X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/c9310e10a4872ad1bb8ccb504f54fdfc3bfd50c9..f0c52e8baa95537dfbc12153ebae5d140e7803c6:/vendor/assets/iD/iD.js?ds=sidebyside

diff --git a/vendor/assets/iD/iD.js b/vendor/assets/iD/iD.js
index 337d13fae..d25b3398b 100644
--- a/vendor/assets/iD/iD.js
+++ b/vendor/assets/iD/iD.js
@@ -1,118900 +1,79786 @@
-(function () {
-	var commonjsGlobal = typeof globalThis !== 'undefined' ? globalThis : typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
-
-	function createCommonjsModule(fn, basedir, module) {
-		return module = {
-		  path: basedir,
-		  exports: {},
-		  require: function (path, base) {
-	      return commonjsRequire(path, (base === undefined || base === null) ? module.path : base);
-	    }
-		}, fn(module, module.exports), module.exports;
-	}
-
-	function getCjsExportFromNamespace (n) {
-		return n && n['default'] || n;
-	}
-
-	function commonjsRequire () {
-		throw new Error('Dynamic requires are not currently supported by @rollup/plugin-commonjs');
-	}
-
-	var isImplemented = function () {
-		var set, iterator, result;
-		if (typeof Set !== 'function') return false;
-		set = new Set(['raz', 'dwa', 'trzy']);
-		if (String(set) !== '[object Set]') return false;
-		if (set.size !== 3) return false;
-		if (typeof set.add !== 'function') return false;
-		if (typeof set.clear !== 'function') return false;
-		if (typeof set.delete !== 'function') return false;
-		if (typeof set.entries !== 'function') return false;
-		if (typeof set.forEach !== 'function') return false;
-		if (typeof set.has !== 'function') return false;
-		if (typeof set.keys !== 'function') return false;
-		if (typeof set.values !== 'function') return false;
-
-		iterator = set.values();
-		result = iterator.next();
-		if (result.done !== false) return false;
-		if (result.value !== 'raz') return false;
-
-		return true;
-	};
-
-	// eslint-disable-next-line no-empty-function
-	var noop = function () {};
-
-	var _undefined = noop(); // Support ES3 engines
-
-	var isValue = function (val) { return val !== _undefined && val !== null; };
-
-	var validValue = function (value) {
-		if (!isValue(value)) throw new TypeError("Cannot use null or undefined");
-		return value;
-	};
-
-	var clear = function () {
-		validValue(this).length = 0;
-		return this;
-	};
-
-	var isImplemented$1 = function () {
-		var numberIsNaN = Number.isNaN;
-		if (typeof numberIsNaN !== "function") return false;
-		return !numberIsNaN({}) && numberIsNaN(NaN) && !numberIsNaN(34);
-	};
-
-	var shim = function (value) {
-		// eslint-disable-next-line no-self-compare
-		return value !== value;
-	};
-
-	var isNan = isImplemented$1() ? Number.isNaN : shim;
-
-	var isImplemented$2 = function () {
-		var sign = Math.sign;
-		if (typeof sign !== "function") return false;
-		return sign(10) === 1 && sign(-20) === -1;
-	};
-
-	var shim$1 = function (value) {
-		value = Number(value);
-		if (isNaN(value) || value === 0) return value;
-		return value > 0 ? 1 : -1;
-	};
-
-	var sign = isImplemented$2() ? Math.sign : shim$1;
-
-	var abs   = Math.abs
-	  , floor = Math.floor;
-
-	var toInteger = function (value) {
-		if (isNaN(value)) return 0;
-		value = Number(value);
-		if (value === 0 || !isFinite(value)) return value;
-		return sign(value) * floor(abs(value));
-	};
-
-	var max       = Math.max;
-
-	var toPosInteger = function (value) { return max(0, toInteger(value)); };
-
-	var indexOf           = Array.prototype.indexOf
-	  , objHasOwnProperty = Object.prototype.hasOwnProperty
-	  , abs$1               = Math.abs
-	  , floor$1             = Math.floor;
-
-	var eIndexOf = function (searchElement/*, fromIndex*/) {
-		var i, length, fromIndex, val;
-		if (!isNan(searchElement)) return indexOf.apply(this, arguments);
-
-		length = toPosInteger(validValue(this).length);
-		fromIndex = arguments[1];
-		if (isNaN(fromIndex)) fromIndex = 0;
-		else if (fromIndex >= 0) fromIndex = floor$1(fromIndex);
-		else fromIndex = toPosInteger(this.length) - floor$1(abs$1(fromIndex));
-
-		for (i = fromIndex; i < length; ++i) {
-			if (objHasOwnProperty.call(this, i)) {
-				val = this[i];
-				if (isNan(val)) return i; // Jslint: ignore
-			}
-		}
-		return -1;
-	};
-
-	var create = Object.create, getPrototypeOf = Object.getPrototypeOf, plainObject = {};
-
-	var isImplemented$3 = function (/* CustomCreate*/) {
-		var setPrototypeOf = Object.setPrototypeOf, customCreate = arguments[0] || create;
-		if (typeof setPrototypeOf !== "function") return false;
-		return getPrototypeOf(setPrototypeOf(customCreate(null), plainObject)) === plainObject;
-	};
-
-	var map = { function: true, object: true };
-
-	var isObject = function (value) { return (isValue(value) && map[typeof value]) || false; };
-
-	var create$1 = Object.create, shim$2;
-
-	if (!isImplemented$3()) {
-		shim$2 = shim$3;
-	}
-
-	var create_1 = (function () {
-		var nullObject, polyProps, desc;
-		if (!shim$2) return create$1;
-		if (shim$2.level !== 1) return create$1;
-
-		nullObject = {};
-		polyProps = {};
-		desc = { configurable: false, enumerable: false, writable: true, value: undefined };
-		Object.getOwnPropertyNames(Object.prototype).forEach(function (name) {
-			if (name === "__proto__") {
-				polyProps[name] = {
-					configurable: true,
-					enumerable: false,
-					writable: true,
-					value: undefined
-				};
-				return;
-			}
-			polyProps[name] = desc;
-		});
-		Object.defineProperties(nullObject, polyProps);
-
-		Object.defineProperty(shim$2, "nullPolyfill", {
-			configurable: false,
-			enumerable: false,
-			writable: false,
-			value: nullObject
-		});
-
-		return function (prototype, props) {
-			return create$1(prototype === null ? nullObject : prototype, props);
-		};
-	})();
-
-	var objIsPrototypeOf = Object.prototype.isPrototypeOf
-	  , defineProperty   = Object.defineProperty
-	  , nullDesc         = { configurable: true, enumerable: false, writable: true, value: undefined }
-	  , validate;
-
-	validate = function (obj, prototype) {
-		validValue(obj);
-		if (prototype === null || isObject(prototype)) return obj;
-		throw new TypeError("Prototype must be null or an object");
-	};
-
-	var shim$3 = (function (status) {
-		var fn, set;
-		if (!status) return null;
-		if (status.level === 2) {
-			if (status.set) {
-				set = status.set;
-				fn = function (obj, prototype) {
-					set.call(validate(obj, prototype), prototype);
-					return obj;
-				};
-			} else {
-				fn = function (obj, prototype) {
-					validate(obj, prototype).__proto__ = prototype;
-					return obj;
-				};
-			}
-		} else {
-			fn = function self(obj, prototype) {
-				var isNullBase;
-				validate(obj, prototype);
-				isNullBase = objIsPrototypeOf.call(self.nullPolyfill, obj);
-				if (isNullBase) delete self.nullPolyfill.__proto__;
-				if (prototype === null) prototype = self.nullPolyfill;
-				obj.__proto__ = prototype;
-				if (isNullBase) defineProperty(self.nullPolyfill, "__proto__", nullDesc);
-				return obj;
-			};
-		}
-		return Object.defineProperty(fn, "level", {
-			configurable: false,
-			enumerable: false,
-			writable: false,
-			value: status.level
-		});
-	})(
-		(function () {
-			var tmpObj1 = Object.create(null)
-			  , tmpObj2 = {}
-			  , set
-			  , desc = Object.getOwnPropertyDescriptor(Object.prototype, "__proto__");
-
-			if (desc) {
-				try {
-					set = desc.set; // Opera crashes at this point
-					set.call(tmpObj1, tmpObj2);
-				} catch (ignore) {}
-				if (Object.getPrototypeOf(tmpObj1) === tmpObj2) return { set: set, level: 2 };
-			}
-
-			tmpObj1.__proto__ = tmpObj2;
-			if (Object.getPrototypeOf(tmpObj1) === tmpObj2) return { level: 2 };
-
-			tmpObj1 = {};
-			tmpObj1.__proto__ = tmpObj2;
-			if (Object.getPrototypeOf(tmpObj1) === tmpObj2) return { level: 1 };
-
-			return false;
-		})()
-	);
-
-	var setPrototypeOf = isImplemented$3() ? Object.setPrototypeOf : shim$3;
-
-	var validCallable = function (fn) {
-		if (typeof fn !== "function") throw new TypeError(fn + " is not a function");
-		return fn;
-	};
-
-	// ES3 safe
-	var _undefined$1 = void 0;
-
-	var is = function (value) { return value !== _undefined$1 && value !== null; };
-
-	// prettier-ignore
-	var possibleTypes = { "object": true, "function": true, "undefined": true /* document.all */ };
-
-	var is$1 = function (value) {
-		if (!is(value)) return false;
-		return hasOwnProperty.call(possibleTypes, typeof value);
-	};
-
-	var is$2 = function (value) {
-		if (!is$1(value)) return false;
-		try {
-			if (!value.constructor) return false;
-			return value.constructor.prototype === value;
-		} catch (error) {
-			return false;
-		}
-	};
-
-	var is$3 = function (value) {
-		if (typeof value !== "function") return false;
-
-		if (!hasOwnProperty.call(value, "length")) return false;
-
-		try {
-			if (typeof value.length !== "number") return false;
-			if (typeof value.call !== "function") return false;
-			if (typeof value.apply !== "function") return false;
-		} catch (error) {
-			return false;
-		}
-
-		return !is$2(value);
-	};
-
-	var classRe = /^\s*class[\s{/}]/, functionToString = Function.prototype.toString;
-
-	var is$4 = function (value) {
-		if (!is$3(value)) return false;
-		if (classRe.test(functionToString.call(value))) return false;
-		return true;
-	};
-
-	var isImplemented$4 = function () {
-		var assign = Object.assign, obj;
-		if (typeof assign !== "function") return false;
-		obj = { foo: "raz" };
-		assign(obj, { bar: "dwa" }, { trzy: "trzy" });
-		return obj.foo + obj.bar + obj.trzy === "razdwatrzy";
-	};
-
-	var isImplemented$5 = function () {
-		try {
-			Object.keys("primitive");
-			return true;
-		} catch (e) {
-			return false;
-		}
-	};
-
-	var keys = Object.keys;
-
-	var shim$4 = function (object) { return keys(isValue(object) ? Object(object) : object); };
-
-	var keys$1 = isImplemented$5() ? Object.keys : shim$4;
-
-	var max$1   = Math.max;
-
-	var shim$5 = function (dest, src/*, …srcn*/) {
-		var error, i, length = max$1(arguments.length, 2), assign;
-		dest = Object(validValue(dest));
-		assign = function (key) {
-			try {
-				dest[key] = src[key];
-			} catch (e) {
-				if (!error) error = e;
-			}
-		};
-		for (i = 1; i < length; ++i) {
-			src = arguments[i];
-			keys$1(src).forEach(assign);
-		}
-		if (error !== undefined) throw error;
-		return dest;
-	};
-
-	var assign = isImplemented$4() ? Object.assign : shim$5;
-
-	var forEach = Array.prototype.forEach, create$2 = Object.create;
-
-	var process$1 = function (src, obj) {
-		var key;
-		for (key in src) obj[key] = src[key];
-	};
-
-	// eslint-disable-next-line no-unused-vars
-	var normalizeOptions = function (opts1/*, …options*/) {
-		var result = create$2(null);
-		forEach.call(arguments, function (options) {
-			if (!isValue(options)) return;
-			process$1(Object(options), result);
-		});
-		return result;
-	};
-
-	var str = "razdwatrzy";
-
-	var isImplemented$6 = function () {
-		if (typeof str.contains !== "function") return false;
-		return str.contains("dwa") === true && str.contains("foo") === false;
-	};
-
-	var indexOf$1 = String.prototype.indexOf;
-
-	var shim$6 = function (searchString/*, position*/) {
-		return indexOf$1.call(this, searchString, arguments[1]) > -1;
-	};
-
-	var contains = isImplemented$6() ? String.prototype.contains : shim$6;
-
-	var d_1 = createCommonjsModule(function (module) {
-
-
-
-	var d = (module.exports = function (dscr, value/*, options*/) {
-		var c, e, w, options, desc;
-		if (arguments.length < 2 || typeof dscr !== "string") {
-			options = value;
-			value = dscr;
-			dscr = null;
-		} else {
-			options = arguments[2];
-		}
-		if (is(dscr)) {
-			c = contains.call(dscr, "c");
-			e = contains.call(dscr, "e");
-			w = contains.call(dscr, "w");
-		} else {
-			c = w = true;
-			e = false;
-		}
-
-		desc = { value: value, configurable: c, enumerable: e, writable: w };
-		return !options ? desc : assign(normalizeOptions(options), desc);
-	});
-
-	d.gs = function (dscr, get, set/*, options*/) {
-		var c, e, options, desc;
-		if (typeof dscr !== "string") {
-			options = set;
-			set = get;
-			get = dscr;
-			dscr = null;
-		} else {
-			options = arguments[3];
-		}
-		if (!is(get)) {
-			get = undefined;
-		} else if (!is$4(get)) {
-			options = get;
-			get = set = undefined;
-		} else if (!is(set)) {
-			set = undefined;
-		} else if (!is$4(set)) {
-			options = set;
-			set = undefined;
-		}
-		if (is(dscr)) {
-			c = contains.call(dscr, "c");
-			e = contains.call(dscr, "e");
-		} else {
-			c = true;
-			e = false;
-		}
-
-		desc = { get: get, set: set, configurable: c, enumerable: e };
-		return !options ? desc : assign(normalizeOptions(options), desc);
-	};
-	});
-
-	var eventEmitter = createCommonjsModule(function (module, exports) {
-
-	var apply = Function.prototype.apply, call = Function.prototype.call
-	  , create = Object.create, defineProperty = Object.defineProperty
-	  , defineProperties = Object.defineProperties
-	  , hasOwnProperty = Object.prototype.hasOwnProperty
-	  , descriptor = { configurable: true, enumerable: false, writable: true }
-
-	  , on, once, off, emit, methods, descriptors, base;
-
-	on = function (type, listener) {
-		var data;
-
-		validCallable(listener);
-
-		if (!hasOwnProperty.call(this, '__ee__')) {
-			data = descriptor.value = create(null);
-			defineProperty(this, '__ee__', descriptor);
-			descriptor.value = null;
-		} else {
-			data = this.__ee__;
-		}
-		if (!data[type]) data[type] = listener;
-		else if (typeof data[type] === 'object') data[type].push(listener);
-		else data[type] = [data[type], listener];
-
-		return this;
-	};
-
-	once = function (type, listener) {
-		var once, self;
-
-		validCallable(listener);
-		self = this;
-		on.call(this, type, once = function () {
-			off.call(self, type, once);
-			apply.call(listener, this, arguments);
-		});
-
-		once.__eeOnceListener__ = listener;
-		return this;
-	};
-
-	off = function (type, listener) {
-		var data, listeners, candidate, i;
-
-		validCallable(listener);
-
-		if (!hasOwnProperty.call(this, '__ee__')) return this;
-		data = this.__ee__;
-		if (!data[type]) return this;
-		listeners = data[type];
-
-		if (typeof listeners === 'object') {
-			for (i = 0; (candidate = listeners[i]); ++i) {
-				if ((candidate === listener) ||
-						(candidate.__eeOnceListener__ === listener)) {
-					if (listeners.length === 2) data[type] = listeners[i ? 0 : 1];
-					else listeners.splice(i, 1);
-				}
-			}
-		} else {
-			if ((listeners === listener) ||
-					(listeners.__eeOnceListener__ === listener)) {
-				delete data[type];
-			}
-		}
-
-		return this;
-	};
-
-	emit = function (type) {
-		var i, l, listener, listeners, args;
-
-		if (!hasOwnProperty.call(this, '__ee__')) return;
-		listeners = this.__ee__[type];
-		if (!listeners) return;
-
-		if (typeof listeners === 'object') {
-			l = arguments.length;
-			args = new Array(l - 1);
-			for (i = 1; i < l; ++i) args[i - 1] = arguments[i];
-
-			listeners = listeners.slice();
-			for (i = 0; (listener = listeners[i]); ++i) {
-				apply.call(listener, this, args);
-			}
-		} else {
-			switch (arguments.length) {
-			case 1:
-				call.call(listeners, this);
-				break;
-			case 2:
-				call.call(listeners, this, arguments[1]);
-				break;
-			case 3:
-				call.call(listeners, this, arguments[1], arguments[2]);
-				break;
-			default:
-				l = arguments.length;
-				args = new Array(l - 1);
-				for (i = 1; i < l; ++i) {
-					args[i - 1] = arguments[i];
-				}
-				apply.call(listeners, this, args);
-			}
-		}
-	};
-
-	methods = {
-		on: on,
-		once: once,
-		off: off,
-		emit: emit
-	};
-
-	descriptors = {
-		on: d_1(on),
-		once: d_1(once),
-		off: d_1(off),
-		emit: d_1(emit)
-	};
-
-	base = defineProperties({}, descriptors);
-
-	module.exports = exports = function (o) {
-		return (o == null) ? create(base) : defineProperties(Object(o), descriptors);
-	};
-	exports.methods = methods;
-	});
-
-	var validTypes = { object: true, symbol: true };
-
-	var isImplemented$7 = function () {
-		var symbol;
-		if (typeof Symbol !== 'function') return false;
-		symbol = Symbol('test symbol');
-		try { String(symbol); } catch (e) { return false; }
-
-		// Return 'true' also for polyfills
-		if (!validTypes[typeof Symbol.iterator]) return false;
-		if (!validTypes[typeof Symbol.toPrimitive]) return false;
-		if (!validTypes[typeof Symbol.toStringTag]) return false;
-
-		return true;
-	};
-
-	var isSymbol = function (x) {
-		if (!x) return false;
-		if (typeof x === 'symbol') return true;
-		if (!x.constructor) return false;
-		if (x.constructor.name !== 'Symbol') return false;
-		return (x[x.constructor.toStringTag] === 'Symbol');
-	};
-
-	var validateSymbol = function (value) {
-		if (!isSymbol(value)) throw new TypeError(value + " is not a symbol");
-		return value;
-	};
-
-	var create$3 = Object.create, defineProperties = Object.defineProperties
-	  , defineProperty$1 = Object.defineProperty, objPrototype = Object.prototype
-	  , NativeSymbol, SymbolPolyfill, HiddenSymbol, globalSymbols = create$3(null)
-	  , isNativeSafe;
-
-	if (typeof Symbol === 'function') {
-		NativeSymbol = Symbol;
-		try {
-			String(NativeSymbol());
-			isNativeSafe = true;
-		} catch (ignore) {}
-	}
-
-	var generateName = (function () {
-		var created = create$3(null);
-		return function (desc) {
-			var postfix = 0, name, ie11BugWorkaround;
-			while (created[desc + (postfix || '')]) ++postfix;
-			desc += (postfix || '');
-			created[desc] = true;
-			name = '@@' + desc;
-			defineProperty$1(objPrototype, name, d_1.gs(null, function (value) {
-				// For IE11 issue see:
-				// https://connect.microsoft.com/IE/feedbackdetail/view/1928508/
-				//    ie11-broken-getters-on-dom-objects
-				// https://github.com/medikoo/es6-symbol/issues/12
-				if (ie11BugWorkaround) return;
-				ie11BugWorkaround = true;
-				defineProperty$1(this, name, d_1(value));
-				ie11BugWorkaround = false;
-			}));
-			return name;
-		};
-	}());
-
-	// Internal constructor (not one exposed) for creating Symbol instances.
-	// This one is used to ensure that `someSymbol instanceof Symbol` always return false
-	HiddenSymbol = function Symbol(description) {
-		if (this instanceof HiddenSymbol) throw new TypeError('Symbol is not a constructor');
-		return SymbolPolyfill(description);
-	};
-
-	// Exposed `Symbol` constructor
-	// (returns instances of HiddenSymbol)
-	var polyfill = SymbolPolyfill = function Symbol(description) {
-		var symbol;
-		if (this instanceof Symbol) throw new TypeError('Symbol is not a constructor');
-		if (isNativeSafe) return NativeSymbol(description);
-		symbol = create$3(HiddenSymbol.prototype);
-		description = (description === undefined ? '' : String(description));
-		return defineProperties(symbol, {
-			__description__: d_1('', description),
-			__name__: d_1('', generateName(description))
-		});
-	};
-	defineProperties(SymbolPolyfill, {
-		for: d_1(function (key) {
-			if (globalSymbols[key]) return globalSymbols[key];
-			return (globalSymbols[key] = SymbolPolyfill(String(key)));
-		}),
-		keyFor: d_1(function (s) {
-			var key;
-			validateSymbol(s);
-			for (key in globalSymbols) if (globalSymbols[key] === s) return key;
-		}),
-
-		// To ensure proper interoperability with other native functions (e.g. Array.from)
-		// fallback to eventual native implementation of given symbol
-		hasInstance: d_1('', (NativeSymbol && NativeSymbol.hasInstance) || SymbolPolyfill('hasInstance')),
-		isConcatSpreadable: d_1('', (NativeSymbol && NativeSymbol.isConcatSpreadable) ||
-			SymbolPolyfill('isConcatSpreadable')),
-		iterator: d_1('', (NativeSymbol && NativeSymbol.iterator) || SymbolPolyfill('iterator')),
-		match: d_1('', (NativeSymbol && NativeSymbol.match) || SymbolPolyfill('match')),
-		replace: d_1('', (NativeSymbol && NativeSymbol.replace) || SymbolPolyfill('replace')),
-		search: d_1('', (NativeSymbol && NativeSymbol.search) || SymbolPolyfill('search')),
-		species: d_1('', (NativeSymbol && NativeSymbol.species) || SymbolPolyfill('species')),
-		split: d_1('', (NativeSymbol && NativeSymbol.split) || SymbolPolyfill('split')),
-		toPrimitive: d_1('', (NativeSymbol && NativeSymbol.toPrimitive) || SymbolPolyfill('toPrimitive')),
-		toStringTag: d_1('', (NativeSymbol && NativeSymbol.toStringTag) || SymbolPolyfill('toStringTag')),
-		unscopables: d_1('', (NativeSymbol && NativeSymbol.unscopables) || SymbolPolyfill('unscopables'))
-	});
-
-	// Internal tweaks for real symbol producer
-	defineProperties(HiddenSymbol.prototype, {
-		constructor: d_1(SymbolPolyfill),
-		toString: d_1('', function () { return this.__name__; })
-	});
-
-	// Proper implementation of methods exposed on Symbol.prototype
-	// They won't be accessible on produced symbol instances as they derive from HiddenSymbol.prototype
-	defineProperties(SymbolPolyfill.prototype, {
-		toString: d_1(function () { return 'Symbol (' + validateSymbol(this).__description__ + ')'; }),
-		valueOf: d_1(function () { return validateSymbol(this); })
-	});
-	defineProperty$1(SymbolPolyfill.prototype, SymbolPolyfill.toPrimitive, d_1('', function () {
-		var symbol = validateSymbol(this);
-		if (typeof symbol === 'symbol') return symbol;
-		return symbol.toString();
-	}));
-	defineProperty$1(SymbolPolyfill.prototype, SymbolPolyfill.toStringTag, d_1('c', 'Symbol'));
-
-	// Proper implementaton of toPrimitive and toStringTag for returned symbol instances
-	defineProperty$1(HiddenSymbol.prototype, SymbolPolyfill.toStringTag,
-		d_1('c', SymbolPolyfill.prototype[SymbolPolyfill.toStringTag]));
-
-	// Note: It's important to define `toPrimitive` as last one, as some implementations
-	// implement `toPrimitive` natively without implementing `toStringTag` (or other specified symbols)
-	// And that may invoke error in definition flow:
-	// See: https://github.com/medikoo/es6-symbol/issues/13#issuecomment-164146149
-	defineProperty$1(HiddenSymbol.prototype, SymbolPolyfill.toPrimitive,
-		d_1('c', SymbolPolyfill.prototype[SymbolPolyfill.toPrimitive]));
-
-	var es6Symbol = isImplemented$7() ? Symbol : polyfill;
-
-	var objToString = Object.prototype.toString
-	  , id = objToString.call((function () { return arguments; })());
-
-	var isArguments = function (value) { return objToString.call(value) === id; };
-
-	var objToString$1 = Object.prototype.toString, id$1 = objToString$1.call("");
-
-	var isString = function (value) {
-		return (
-			typeof value === "string" ||
-			(value &&
-				typeof value === "object" &&
-				(value instanceof String || objToString$1.call(value) === id$1)) ||
-			false
-		);
-	};
-
-	var isImplemented$8 = function () {
-		if (typeof globalThis !== "object") return false;
-		if (!globalThis) return false;
-		return globalThis.Array === Array;
-	};
-
-	var naiveFallback = function () {
-		if (typeof self === "object" && self) return self;
-		if (typeof window === "object" && window) return window;
-		throw new Error("Unable to resolve global `this`");
-	};
-
-	var implementation = (function () {
-		if (this) return this;
-
-		// Unexpected strict mode (may happen if e.g. bundled into ESM module)
-
-		// Thanks @mathiasbynens -> https://mathiasbynens.be/notes/globalthis
-		// In all ES5+ engines global object inherits from Object.prototype
-		// (if you approached one that doesn't please report)
-		try {
-			Object.defineProperty(Object.prototype, "__global__", {
-				get: function () { return this; },
-				configurable: true
-			});
-		} catch (error) {
-			// Unfortunate case of Object.prototype being sealed (via preventExtensions, seal or freeze)
-			return naiveFallback();
-		}
-		try {
-			// Safari case (window.__global__ is resolved with global context, but __global__ does not)
-			if (!__global__) return naiveFallback();
-			return __global__;
-		} finally {
-			delete Object.prototype.__global__;
-		}
-	})();
-
-	var globalThis_1 = isImplemented$8() ? globalThis : implementation;
-
-	var validTypes$1 = { object: true, symbol: true };
-
-	var isImplemented$9 = function () {
-		var Symbol = globalThis_1.Symbol;
-		var symbol;
-		if (typeof Symbol !== "function") return false;
-		symbol = Symbol("test symbol");
-		try { String(symbol); }
-		catch (e) { return false; }
-
-		// Return 'true' also for polyfills
-		if (!validTypes$1[typeof Symbol.iterator]) return false;
-		if (!validTypes$1[typeof Symbol.toPrimitive]) return false;
-		if (!validTypes$1[typeof Symbol.toStringTag]) return false;
-
-		return true;
-	};
-
-	var isSymbol$1 = function (value) {
-		if (!value) return false;
-		if (typeof value === "symbol") return true;
-		if (!value.constructor) return false;
-		if (value.constructor.name !== "Symbol") return false;
-		return value[value.constructor.toStringTag] === "Symbol";
-	};
-
-	var validateSymbol$1 = function (value) {
-		if (!isSymbol$1(value)) throw new TypeError(value + " is not a symbol");
-		return value;
-	};
-
-	var create$4 = Object.create, defineProperty$2 = Object.defineProperty, objPrototype$1 = Object.prototype;
-
-	var created = create$4(null);
-	var generateName$1 = function (desc) {
-		var postfix = 0, name, ie11BugWorkaround;
-		while (created[desc + (postfix || "")]) ++postfix;
-		desc += postfix || "";
-		created[desc] = true;
-		name = "@@" + desc;
-		defineProperty$2(
-			objPrototype$1,
-			name,
-			d_1.gs(null, function (value) {
-				// For IE11 issue see:
-				// https://connect.microsoft.com/IE/feedbackdetail/view/1928508/
-				//    ie11-broken-getters-on-dom-objects
-				// https://github.com/medikoo/es6-symbol/issues/12
-				if (ie11BugWorkaround) return;
-				ie11BugWorkaround = true;
-				defineProperty$2(this, name, d_1(value));
-				ie11BugWorkaround = false;
-			})
-		);
-		return name;
-	};
-
-	var NativeSymbol$1 = globalThis_1.Symbol;
-
-	var standardSymbols = function (SymbolPolyfill) {
-		return Object.defineProperties(SymbolPolyfill, {
-			// To ensure proper interoperability with other native functions (e.g. Array.from)
-			// fallback to eventual native implementation of given symbol
-			hasInstance: d_1(
-				"", (NativeSymbol$1 && NativeSymbol$1.hasInstance) || SymbolPolyfill("hasInstance")
-			),
-			isConcatSpreadable: d_1(
-				"",
-				(NativeSymbol$1 && NativeSymbol$1.isConcatSpreadable) ||
-					SymbolPolyfill("isConcatSpreadable")
-			),
-			iterator: d_1("", (NativeSymbol$1 && NativeSymbol$1.iterator) || SymbolPolyfill("iterator")),
-			match: d_1("", (NativeSymbol$1 && NativeSymbol$1.match) || SymbolPolyfill("match")),
-			replace: d_1("", (NativeSymbol$1 && NativeSymbol$1.replace) || SymbolPolyfill("replace")),
-			search: d_1("", (NativeSymbol$1 && NativeSymbol$1.search) || SymbolPolyfill("search")),
-			species: d_1("", (NativeSymbol$1 && NativeSymbol$1.species) || SymbolPolyfill("species")),
-			split: d_1("", (NativeSymbol$1 && NativeSymbol$1.split) || SymbolPolyfill("split")),
-			toPrimitive: d_1(
-				"", (NativeSymbol$1 && NativeSymbol$1.toPrimitive) || SymbolPolyfill("toPrimitive")
-			),
-			toStringTag: d_1(
-				"", (NativeSymbol$1 && NativeSymbol$1.toStringTag) || SymbolPolyfill("toStringTag")
-			),
-			unscopables: d_1(
-				"", (NativeSymbol$1 && NativeSymbol$1.unscopables) || SymbolPolyfill("unscopables")
-			)
-		});
-	};
-
-	var registry = Object.create(null);
-
-	var symbolRegistry = function (SymbolPolyfill) {
-		return Object.defineProperties(SymbolPolyfill, {
-			for: d_1(function (key) {
-				if (registry[key]) return registry[key];
-				return (registry[key] = SymbolPolyfill(String(key)));
-			}),
-			keyFor: d_1(function (symbol) {
-				var key;
-				validateSymbol$1(symbol);
-				for (key in registry) {
-					if (registry[key] === symbol) return key;
-				}
-				return undefined;
-			})
-		});
-	};
-
-	var NativeSymbol$2         = globalThis_1.Symbol;
-
-	var create$5 = Object.create
-	  , defineProperties$1 = Object.defineProperties
-	  , defineProperty$3 = Object.defineProperty;
-
-	var SymbolPolyfill$1, HiddenSymbol$1, isNativeSafe$1;
-
-	if (typeof NativeSymbol$2 === "function") {
-		try {
-			String(NativeSymbol$2());
-			isNativeSafe$1 = true;
-		} catch (ignore) {}
-	} else {
-		NativeSymbol$2 = null;
-	}
-
-	// Internal constructor (not one exposed) for creating Symbol instances.
-	// This one is used to ensure that `someSymbol instanceof Symbol` always return false
-	HiddenSymbol$1 = function Symbol(description) {
-		if (this instanceof HiddenSymbol$1) throw new TypeError("Symbol is not a constructor");
-		return SymbolPolyfill$1(description);
-	};
-
-	// Exposed `Symbol` constructor
-	// (returns instances of HiddenSymbol)
-	var polyfill$1 = SymbolPolyfill$1 = function Symbol(description) {
-		var symbol;
-		if (this instanceof Symbol) throw new TypeError("Symbol is not a constructor");
-		if (isNativeSafe$1) return NativeSymbol$2(description);
-		symbol = create$5(HiddenSymbol$1.prototype);
-		description = description === undefined ? "" : String(description);
-		return defineProperties$1(symbol, {
-			__description__: d_1("", description),
-			__name__: d_1("", generateName$1(description))
-		});
-	};
-
-	standardSymbols(SymbolPolyfill$1);
-	symbolRegistry(SymbolPolyfill$1);
-
-	// Internal tweaks for real symbol producer
-	defineProperties$1(HiddenSymbol$1.prototype, {
-		constructor: d_1(SymbolPolyfill$1),
-		toString: d_1("", function () { return this.__name__; })
-	});
-
-	// Proper implementation of methods exposed on Symbol.prototype
-	// They won't be accessible on produced symbol instances as they derive from HiddenSymbol.prototype
-	defineProperties$1(SymbolPolyfill$1.prototype, {
-		toString: d_1(function () { return "Symbol (" + validateSymbol$1(this).__description__ + ")"; }),
-		valueOf: d_1(function () { return validateSymbol$1(this); })
-	});
-	defineProperty$3(
-		SymbolPolyfill$1.prototype,
-		SymbolPolyfill$1.toPrimitive,
-		d_1("", function () {
-			var symbol = validateSymbol$1(this);
-			if (typeof symbol === "symbol") return symbol;
-			return symbol.toString();
-		})
-	);
-	defineProperty$3(SymbolPolyfill$1.prototype, SymbolPolyfill$1.toStringTag, d_1("c", "Symbol"));
-
-	// Proper implementaton of toPrimitive and toStringTag for returned symbol instances
-	defineProperty$3(
-		HiddenSymbol$1.prototype, SymbolPolyfill$1.toStringTag,
-		d_1("c", SymbolPolyfill$1.prototype[SymbolPolyfill$1.toStringTag])
-	);
-
-	// Note: It's important to define `toPrimitive` as last one, as some implementations
-	// implement `toPrimitive` natively without implementing `toStringTag` (or other specified symbols)
-	// And that may invoke error in definition flow:
-	// See: https://github.com/medikoo/es6-symbol/issues/13#issuecomment-164146149
-	defineProperty$3(
-		HiddenSymbol$1.prototype, SymbolPolyfill$1.toPrimitive,
-		d_1("c", SymbolPolyfill$1.prototype[SymbolPolyfill$1.toPrimitive])
-	);
-
-	var es6Symbol$1 = isImplemented$9()
-		? globalThis_1.Symbol
-		: polyfill$1;
-
-	var iteratorSymbol = es6Symbol$1.iterator
-	  , isArray        = Array.isArray;
-
-	var isIterable = function (value) {
-		if (!isValue(value)) return false;
-		if (isArray(value)) return true;
-		if (isString(value)) return true;
-		if (isArguments(value)) return true;
-		return typeof value[iteratorSymbol] === "function";
-	};
-
-	var validIterable = function (value) {
-		if (!isIterable(value)) throw new TypeError(value + " is not iterable");
-		return value;
-	};
-
-	var objectToString = Object.prototype.toString;
-
-	var coerce = function (value) {
-		if (!is(value)) return null;
-		if (is$1(value)) {
-			// Reject Object.prototype.toString coercion
-			var valueToString = value.toString;
-			if (typeof valueToString !== "function") return null;
-			if (valueToString === objectToString) return null;
-			// Note: It can be object coming from other realm, still as there's no ES3 and CSP compliant
-			// way to resolve its realm's Object.prototype.toString it's left as not addressed edge case
-		}
-		try {
-			return "" + value; // Ensure implicit coercion
-		} catch (error) {
-			return null;
-		}
-	};
-
-	var safeToString = function (value) {
-		try {
-			return value.toString();
-		} catch (error) {
-			try { return String(value); }
-			catch (error2) { return null; }
-		}
-	};
-
-	var reNewLine = /[\n\r\u2028\u2029]/g;
-
-	var toShortString = function (value) {
-		var string = safeToString(value);
-		if (string === null) return "<Non-coercible to string value>";
-		// Trim if too long
-		if (string.length > 100) string = string.slice(0, 99) + "…";
-		// Replace eventual new lines
-		string = string.replace(reNewLine, function (char) {
-			switch (char) {
-				case "\n":
-					return "\\n";
-				case "\r":
-					return "\\r";
-				case "\u2028":
-					return "\\u2028";
-				case "\u2029":
-					return "\\u2029";
-				/* istanbul ignore next */
-				default:
-					throw new Error("Unexpected character");
-			}
-		});
-		return string;
-	};
-
-	var resolveMessage = function (message, value) {
-		return message.replace("%v", toShortString(value));
-	};
-
-	var resolveException = function (value, defaultMessage, inputOptions) {
-		if (!is$1(inputOptions)) throw new TypeError(resolveMessage(defaultMessage, value));
-		if (!is(value)) {
-			if ("default" in inputOptions) return inputOptions["default"];
-			if (inputOptions.isOptional) return null;
-		}
-		var errorMessage = coerce(inputOptions.errorMessage);
-		if (!is(errorMessage)) errorMessage = defaultMessage;
-		throw new TypeError(resolveMessage(errorMessage, value));
-	};
-
-	var ensure = function (value/*, options*/) {
-		if (is(value)) return value;
-		return resolveException(value, "Cannot use %v", arguments[1]);
-	};
-
-	var ensure$1 = function (value/*, options*/) {
-		if (is$4(value)) return value;
-		return resolveException(value, "%v is not a plain function", arguments[1]);
-	};
-
-	var isImplemented$a = function () {
-		var from = Array.from, arr, result;
-		if (typeof from !== "function") return false;
-		arr = ["raz", "dwa"];
-		result = from(arr);
-		return Boolean(result && result !== arr && result[1] === "dwa");
-	};
-
-	var objToString$2 = Object.prototype.toString
-	  , isFunctionStringTag = RegExp.prototype.test.bind(/^[object [A-Za-z0-9]*Function]$/);
-
-	var isFunction = function (value) {
-		return typeof value === "function" && isFunctionStringTag(objToString$2.call(value));
-	};
-
-	var iteratorSymbol$1 = es6Symbol$1.iterator
-	  , isArray$1        = Array.isArray
-	  , call           = Function.prototype.call
-	  , desc           = { configurable: true, enumerable: true, writable: true, value: null }
-	  , defineProperty$4 = Object.defineProperty;
-
-	// eslint-disable-next-line complexity, max-lines-per-function
-	var shim$7 = function (arrayLike/*, mapFn, thisArg*/) {
-		var mapFn = arguments[1]
-		  , thisArg = arguments[2]
-		  , Context
-		  , i
-		  , j
-		  , arr
-		  , length
-		  , code
-		  , iterator
-		  , result
-		  , getIterator
-		  , value;
-
-		arrayLike = Object(validValue(arrayLike));
-
-		if (isValue(mapFn)) validCallable(mapFn);
-		if (!this || this === Array || !isFunction(this)) {
-			// Result: Plain array
-			if (!mapFn) {
-				if (isArguments(arrayLike)) {
-					// Source: Arguments
-					length = arrayLike.length;
-					if (length !== 1) return Array.apply(null, arrayLike);
-					arr = new Array(1);
-					arr[0] = arrayLike[0];
-					return arr;
-				}
-				if (isArray$1(arrayLike)) {
-					// Source: Array
-					arr = new Array((length = arrayLike.length));
-					for (i = 0; i < length; ++i) arr[i] = arrayLike[i];
-					return arr;
-				}
-			}
-			arr = [];
-		} else {
-			// Result: Non plain array
-			Context = this;
-		}
-
-		if (!isArray$1(arrayLike)) {
-			if ((getIterator = arrayLike[iteratorSymbol$1]) !== undefined) {
-				// Source: Iterator
-				iterator = validCallable(getIterator).call(arrayLike);
-				if (Context) arr = new Context();
-				result = iterator.next();
-				i = 0;
-				while (!result.done) {
-					value = mapFn ? call.call(mapFn, thisArg, result.value, i) : result.value;
-					if (Context) {
-						desc.value = value;
-						defineProperty$4(arr, i, desc);
-					} else {
-						arr[i] = value;
-					}
-					result = iterator.next();
-					++i;
-				}
-				length = i;
-			} else if (isString(arrayLike)) {
-				// Source: String
-				length = arrayLike.length;
-				if (Context) arr = new Context();
-				for (i = 0, j = 0; i < length; ++i) {
-					value = arrayLike[i];
-					if (i + 1 < length) {
-						code = value.charCodeAt(0);
-						// eslint-disable-next-line max-depth
-						if (code >= 0xd800 && code <= 0xdbff) value += arrayLike[++i];
-					}
-					value = mapFn ? call.call(mapFn, thisArg, value, j) : value;
-					if (Context) {
-						desc.value = value;
-						defineProperty$4(arr, j, desc);
-					} else {
-						arr[j] = value;
-					}
-					++j;
-				}
-				length = j;
-			}
-		}
-		if (length === undefined) {
-			// Source: array or array-like
-			length = toPosInteger(arrayLike.length);
-			if (Context) arr = new Context(length);
-			for (i = 0; i < length; ++i) {
-				value = mapFn ? call.call(mapFn, thisArg, arrayLike[i], i) : arrayLike[i];
-				if (Context) {
-					desc.value = value;
-					defineProperty$4(arr, i, desc);
-				} else {
-					arr[i] = value;
-				}
-			}
-		}
-		if (Context) {
-			desc.value = null;
-			arr.length = length;
-		}
-		return arr;
-	};
-
-	var from_1 = isImplemented$a() ? Array.from : shim$7;
-
-	var copy = function (obj/*, propertyNames, options*/) {
-		var copy = Object(validValue(obj)), propertyNames = arguments[1], options = Object(arguments[2]);
-		if (copy !== obj && !propertyNames) return copy;
-		var result = {};
-		if (propertyNames) {
-			from_1(propertyNames, function (propertyName) {
-				if (options.ensure || propertyName in obj) result[propertyName] = obj[propertyName];
-			});
-		} else {
-			assign(result, obj);
-		}
-		return result;
-	};
-
-	var bind                    = Function.prototype.bind
-	  , call$1                    = Function.prototype.call
-	  , keys$2                    = Object.keys
-	  , objPropertyIsEnumerable = Object.prototype.propertyIsEnumerable;
-
-	var _iterate = function (method, defVal) {
-		return function (obj, cb/*, thisArg, compareFn*/) {
-			var list, thisArg = arguments[2], compareFn = arguments[3];
-			obj = Object(validValue(obj));
-			validCallable(cb);
-
-			list = keys$2(obj);
-			if (compareFn) {
-				list.sort(typeof compareFn === "function" ? bind.call(compareFn, obj) : undefined);
-			}
-			if (typeof method !== "function") method = list[method];
-			return call$1.call(method, list, function (key, index) {
-				if (!objPropertyIsEnumerable.call(obj, key)) return defVal;
-				return call$1.call(cb, thisArg, obj[key], key, obj, index);
-			});
-		};
-	};
-
-	var forEach$1 = _iterate("forEach");
-
-	var call$2     = Function.prototype.call;
-
-	var map$1 = function (obj, cb/*, thisArg*/) {
-		var result = {}, thisArg = arguments[2];
-		validCallable(cb);
-		forEach$1(obj, function (value, key, targetObj, index) {
-			result[key] = call$2.call(cb, thisArg, value, key, targetObj, index);
-		});
-		return result;
-	};
-
-	var bind$1 = Function.prototype.bind
-	  , defineProperty$5 = Object.defineProperty
-	  , hasOwnProperty$1 = Object.prototype.hasOwnProperty
-	  , define;
-
-	define = function (name, desc, options) {
-		var value = ensure(desc) && ensure$1(desc.value), dgs;
-		dgs = copy(desc);
-		delete dgs.writable;
-		delete dgs.value;
-		dgs.get = function () {
-			if (!options.overwriteDefinition && hasOwnProperty$1.call(this, name)) return value;
-			desc.value = bind$1.call(value, options.resolveContext ? options.resolveContext(this) : this);
-			defineProperty$5(this, name, desc);
-			return this[name];
-		};
-		return dgs;
-	};
-
-	var autoBind = function (props/*, options*/) {
-		var options = normalizeOptions(arguments[1]);
-		if (is(options.resolveContext)) ensure$1(options.resolveContext);
-		return map$1(props, function (desc, name) { return define(name, desc, options); });
-	};
-
-	var defineProperty$6 = Object.defineProperty, defineProperties$2 = Object.defineProperties, Iterator;
-
-	var es6Iterator = Iterator = function (list, context) {
-		if (!(this instanceof Iterator)) throw new TypeError("Constructor requires 'new'");
-		defineProperties$2(this, {
-			__list__: d_1("w", validValue(list)),
-			__context__: d_1("w", context),
-			__nextIndex__: d_1("w", 0)
-		});
-		if (!context) return;
-		validCallable(context.on);
-		context.on("_add", this._onAdd);
-		context.on("_delete", this._onDelete);
-		context.on("_clear", this._onClear);
-	};
-
-	// Internal %IteratorPrototype% doesn't expose its constructor
-	delete Iterator.prototype.constructor;
-
-	defineProperties$2(
-		Iterator.prototype,
-		assign(
-			{
-				_next: d_1(function () {
-					var i;
-					if (!this.__list__) return undefined;
-					if (this.__redo__) {
-						i = this.__redo__.shift();
-						if (i !== undefined) return i;
-					}
-					if (this.__nextIndex__ < this.__list__.length) return this.__nextIndex__++;
-					this._unBind();
-					return undefined;
-				}),
-				next: d_1(function () {
-					return this._createResult(this._next());
-				}),
-				_createResult: d_1(function (i) {
-					if (i === undefined) return { done: true, value: undefined };
-					return { done: false, value: this._resolve(i) };
-				}),
-				_resolve: d_1(function (i) {
-					return this.__list__[i];
-				}),
-				_unBind: d_1(function () {
-					this.__list__ = null;
-					delete this.__redo__;
-					if (!this.__context__) return;
-					this.__context__.off("_add", this._onAdd);
-					this.__context__.off("_delete", this._onDelete);
-					this.__context__.off("_clear", this._onClear);
-					this.__context__ = null;
-				}),
-				toString: d_1(function () {
-					return "[object " + (this[es6Symbol$1.toStringTag] || "Object") + "]";
-				})
-			},
-			autoBind({
-				_onAdd: d_1(function (index) {
-					if (index >= this.__nextIndex__) return;
-					++this.__nextIndex__;
-					if (!this.__redo__) {
-						defineProperty$6(this, "__redo__", d_1("c", [index]));
-						return;
-					}
-					this.__redo__.forEach(function (redo, i) {
-						if (redo >= index) this.__redo__[i] = ++redo;
-					}, this);
-					this.__redo__.push(index);
-				}),
-				_onDelete: d_1(function (index) {
-					var i;
-					if (index >= this.__nextIndex__) return;
-					--this.__nextIndex__;
-					if (!this.__redo__) return;
-					i = this.__redo__.indexOf(index);
-					if (i !== -1) this.__redo__.splice(i, 1);
-					this.__redo__.forEach(function (redo, j) {
-						if (redo > index) this.__redo__[j] = --redo;
-					}, this);
-				}),
-				_onClear: d_1(function () {
-					if (this.__redo__) clear.call(this.__redo__);
-					this.__nextIndex__ = 0;
-				})
-			})
-		)
-	);
-
-	defineProperty$6(
-		Iterator.prototype,
-		es6Symbol$1.iterator,
-		d_1(function () {
-			return this;
-		})
-	);
-
-	var array = createCommonjsModule(function (module) {
-
-
-
-	var defineProperty = Object.defineProperty, ArrayIterator;
-
-	ArrayIterator = module.exports = function (arr, kind) {
-		if (!(this instanceof ArrayIterator)) throw new TypeError("Constructor requires 'new'");
-		es6Iterator.call(this, arr);
-		if (!kind) kind = "value";
-		else if (contains.call(kind, "key+value")) kind = "key+value";
-		else if (contains.call(kind, "key")) kind = "key";
-		else kind = "value";
-		defineProperty(this, "__kind__", d_1("", kind));
-	};
-	if (setPrototypeOf) setPrototypeOf(ArrayIterator, es6Iterator);
-
-	// Internal %ArrayIteratorPrototype% doesn't expose its constructor
-	delete ArrayIterator.prototype.constructor;
-
-	ArrayIterator.prototype = Object.create(es6Iterator.prototype, {
-		_resolve: d_1(function (i) {
-			if (this.__kind__ === "value") return this.__list__[i];
-			if (this.__kind__ === "key+value") return [i, this.__list__[i]];
-			return i;
-		})
-	});
-	defineProperty(ArrayIterator.prototype, es6Symbol$1.toStringTag, d_1("c", "Array Iterator"));
-	});
-
-	var string = createCommonjsModule(function (module) {
-
-
-
-	var defineProperty = Object.defineProperty, StringIterator;
-
-	StringIterator = module.exports = function (str) {
-		if (!(this instanceof StringIterator)) throw new TypeError("Constructor requires 'new'");
-		str = String(str);
-		es6Iterator.call(this, str);
-		defineProperty(this, "__length__", d_1("", str.length));
-	};
-	if (setPrototypeOf) setPrototypeOf(StringIterator, es6Iterator);
-
-	// Internal %ArrayIteratorPrototype% doesn't expose its constructor
-	delete StringIterator.prototype.constructor;
-
-	StringIterator.prototype = Object.create(es6Iterator.prototype, {
-		_next: d_1(function () {
-			if (!this.__list__) return undefined;
-			if (this.__nextIndex__ < this.__length__) return this.__nextIndex__++;
-			this._unBind();
-			return undefined;
-		}),
-		_resolve: d_1(function (i) {
-			var char = this.__list__[i], code;
-			if (this.__nextIndex__ === this.__length__) return char;
-			code = char.charCodeAt(0);
-			if (code >= 0xd800 && code <= 0xdbff) return char + this.__list__[this.__nextIndex__++];
-			return char;
-		})
-	});
-	defineProperty(StringIterator.prototype, es6Symbol$1.toStringTag, d_1("c", "String Iterator"));
-	});
-
-	var iteratorSymbol$2 = es6Symbol$1.iterator;
-
-	var get = function (obj) {
-		if (typeof validIterable(obj)[iteratorSymbol$2] === "function") return obj[iteratorSymbol$2]();
-		if (isArguments(obj)) return new array(obj);
-		if (isString(obj)) return new string(obj);
-		return new array(obj);
-	};
-
-	var isArray$2 = Array.isArray, call$3 = Function.prototype.call, some = Array.prototype.some;
-
-	var forOf = function (iterable, cb /*, thisArg*/) {
-		var mode, thisArg = arguments[2], result, doBreak, broken, i, length, char, code;
-		if (isArray$2(iterable) || isArguments(iterable)) mode = "array";
-		else if (isString(iterable)) mode = "string";
-		else iterable = get(iterable);
-
-		validCallable(cb);
-		doBreak = function () {
-			broken = true;
-		};
-		if (mode === "array") {
-			some.call(iterable, function (value) {
-				call$3.call(cb, thisArg, value, doBreak);
-				return broken;
-			});
-			return;
-		}
-		if (mode === "string") {
-			length = iterable.length;
-			for (i = 0; i < length; ++i) {
-				char = iterable[i];
-				if (i + 1 < length) {
-					code = char.charCodeAt(0);
-					if (code >= 0xd800 && code <= 0xdbff) char += iterable[++i];
-				}
-				call$3.call(cb, thisArg, char, doBreak);
-				if (broken) break;
-			}
-			return;
-		}
-		result = iterable.next();
-
-		while (!result.done) {
-			call$3.call(cb, thisArg, result.value, doBreak);
-			if (broken) return;
-			result = iterable.next();
-		}
-	};
-
-	var iterator = createCommonjsModule(function (module) {
-
-	var toStringTagSymbol = es6Symbol.toStringTag
-
-	  , defineProperty = Object.defineProperty
-	  , SetIterator;
-
-	SetIterator = module.exports = function (set, kind) {
-		if (!(this instanceof SetIterator)) return new SetIterator(set, kind);
-		es6Iterator.call(this, set.__setData__, set);
-		if (!kind) kind = 'value';
-		else if (contains.call(kind, 'key+value')) kind = 'key+value';
-		else kind = 'value';
-		defineProperty(this, '__kind__', d_1('', kind));
-	};
-	if (setPrototypeOf) setPrototypeOf(SetIterator, es6Iterator);
-
-	SetIterator.prototype = Object.create(es6Iterator.prototype, {
-		constructor: d_1(SetIterator),
-		_resolve: d_1(function (i) {
-			if (this.__kind__ === 'value') return this.__list__[i];
-			return [this.__list__[i], this.__list__[i]];
-		}),
-		toString: d_1(function () { return '[object Set Iterator]'; })
-	});
-	defineProperty(SetIterator.prototype, toStringTagSymbol, d_1('c', 'Set Iterator'));
-	});
-
-	// Exports true if environment provides native `Set` implementation,
-
-	var isNativeImplemented = (function () {
-		if (typeof Set === 'undefined') return false;
-		return (Object.prototype.toString.call(Set.prototype) === '[object Set]');
-	}());
-
-	var iterator$1       = validIterable
-
-	  , call$4 = Function.prototype.call
-	  , defineProperty$7 = Object.defineProperty, getPrototypeOf$1 = Object.getPrototypeOf
-	  , SetPoly, getValues, NativeSet;
-
-	if (isNativeImplemented) NativeSet = Set;
-
-	var polyfill$2 = SetPoly = function Set(/*iterable*/) {
-		var iterable = arguments[0], self;
-		if (!(this instanceof SetPoly)) throw new TypeError('Constructor requires \'new\'');
-		if (isNativeImplemented && setPrototypeOf) self = setPrototypeOf(new NativeSet(), getPrototypeOf$1(this));
-		else self = this;
-		if (iterable != null) iterator$1(iterable);
-		defineProperty$7(self, '__setData__', d_1('c', []));
-		if (!iterable) return self;
-		forOf(iterable, function (value) {
-			if (eIndexOf.call(this, value) !== -1) return;
-			this.push(value);
-		}, self.__setData__);
-		return self;
-	};
-
-	if (isNativeImplemented) {
-		if (setPrototypeOf) setPrototypeOf(SetPoly, NativeSet);
-		SetPoly.prototype = Object.create(NativeSet.prototype, { constructor: d_1(SetPoly) });
-	}
-
-	eventEmitter(Object.defineProperties(SetPoly.prototype, {
-		add: d_1(function (value) {
-			if (this.has(value)) return this;
-			this.emit('_add', this.__setData__.push(value) - 1, value);
-			return this;
-		}),
-		clear: d_1(function () {
-			if (!this.__setData__.length) return;
-			clear.call(this.__setData__);
-			this.emit('_clear');
-		}),
-		delete: d_1(function (value) {
-			var index = eIndexOf.call(this.__setData__, value);
-			if (index === -1) return false;
-			this.__setData__.splice(index, 1);
-			this.emit('_delete', index, value);
-			return true;
-		}),
-		entries: d_1(function () { return new iterator(this, 'key+value'); }),
-		forEach: d_1(function (cb/*, thisArg*/) {
-			var thisArg = arguments[1], iterator, result, value;
-			validCallable(cb);
-			iterator = this.values();
-			result = iterator._next();
-			while (result !== undefined) {
-				value = iterator._resolve(result);
-				call$4.call(cb, thisArg, value, value, this);
-				result = iterator._next();
-			}
-		}),
-		has: d_1(function (value) {
-			return (eIndexOf.call(this.__setData__, value) !== -1);
-		}),
-		keys: d_1(getValues = function () { return this.values(); }),
-		size: d_1.gs(function () { return this.__setData__.length; }),
-		values: d_1(function () { return new iterator(this); }),
-		toString: d_1(function () { return '[object Set]'; })
-	}));
-	defineProperty$7(SetPoly.prototype, es6Symbol.iterator, d_1(getValues));
-	defineProperty$7(SetPoly.prototype, es6Symbol.toStringTag, d_1('c', 'Set'));
-
-	var es6Set = isImplemented() ? Set : polyfill$2;
-
-	var isImplemented$b = function () {
-		var map, iterator, result;
-		if (typeof Map !== 'function') return false;
-		try {
-			// WebKit doesn't support arguments and crashes
-			map = new Map([['raz', 'one'], ['dwa', 'two'], ['trzy', 'three']]);
-		} catch (e) {
-			return false;
-		}
-		if (String(map) !== '[object Map]') return false;
-		if (map.size !== 3) return false;
-		if (typeof map.clear !== 'function') return false;
-		if (typeof map.delete !== 'function') return false;
-		if (typeof map.entries !== 'function') return false;
-		if (typeof map.forEach !== 'function') return false;
-		if (typeof map.get !== 'function') return false;
-		if (typeof map.has !== 'function') return false;
-		if (typeof map.keys !== 'function') return false;
-		if (typeof map.set !== 'function') return false;
-		if (typeof map.values !== 'function') return false;
-
-		iterator = map.entries();
-		result = iterator.next();
-		if (result.done !== false) return false;
-		if (!result.value) return false;
-		if (result.value[0] !== 'raz') return false;
-		if (result.value[1] !== 'one') return false;
-
-		return true;
-	};
-
-	var forEach$2 = Array.prototype.forEach, create$6 = Object.create;
-
-	// eslint-disable-next-line no-unused-vars
-	var primitiveSet = function (arg/*, …args*/) {
-		var set = create$6(null);
-		forEach$2.call(arguments, function (name) { set[name] = true; });
-		return set;
-	};
-
-	var iteratorKinds = primitiveSet('key',
-		'value', 'key+value');
-
-	var iterator$2 = createCommonjsModule(function (module) {
-
-	var toStringTagSymbol = es6Symbol$1.toStringTag
-
-	  , defineProperties = Object.defineProperties
-	  , unBind = es6Iterator.prototype._unBind
-	  , MapIterator;
-
-	MapIterator = module.exports = function (map, kind) {
-		if (!(this instanceof MapIterator)) return new MapIterator(map, kind);
-		es6Iterator.call(this, map.__mapKeysData__, map);
-		if (!kind || !iteratorKinds[kind]) kind = 'key+value';
-		defineProperties(this, {
-			__kind__: d_1('', kind),
-			__values__: d_1('w', map.__mapValuesData__)
-		});
-	};
-	if (setPrototypeOf) setPrototypeOf(MapIterator, es6Iterator);
-
-	MapIterator.prototype = Object.create(es6Iterator.prototype, {
-		constructor: d_1(MapIterator),
-		_resolve: d_1(function (i) {
-			if (this.__kind__ === 'value') return this.__values__[i];
-			if (this.__kind__ === 'key') return this.__list__[i];
-			return [this.__list__[i], this.__values__[i]];
-		}),
-		_unBind: d_1(function () {
-			this.__values__ = null;
-			unBind.call(this);
-		}),
-		toString: d_1(function () { return '[object Map Iterator]'; })
-	});
-	Object.defineProperty(MapIterator.prototype, toStringTagSymbol,
-		d_1('c', 'Map Iterator'));
-	});
-
-	// Exports true if environment provides native `Map` implementation,
-
-	var isNativeImplemented$1 = (function () {
-		if (typeof Map === 'undefined') return false;
-		return (Object.prototype.toString.call(new Map()) === '[object Map]');
-	}());
-
-	var iterator$3       = validIterable
-
-	  , call$5 = Function.prototype.call
-	  , defineProperties$3 = Object.defineProperties, getPrototypeOf$2 = Object.getPrototypeOf
-	  , MapPoly;
-
-	var polyfill$3 = MapPoly = function (/*iterable*/) {
-		var iterable = arguments[0], keys, values, self;
-		if (!(this instanceof MapPoly)) throw new TypeError('Constructor requires \'new\'');
-		if (isNativeImplemented$1 && setPrototypeOf && (Map !== MapPoly)) {
-			self = setPrototypeOf(new Map(), getPrototypeOf$2(this));
-		} else {
-			self = this;
-		}
-		if (iterable != null) iterator$3(iterable);
-		defineProperties$3(self, {
-			__mapKeysData__: d_1('c', keys = []),
-			__mapValuesData__: d_1('c', values = [])
-		});
-		if (!iterable) return self;
-		forOf(iterable, function (value) {
-			var key = validValue(value)[0];
-			value = value[1];
-			if (eIndexOf.call(keys, key) !== -1) return;
-			keys.push(key);
-			values.push(value);
-		}, self);
-		return self;
-	};
-
-	if (isNativeImplemented$1) {
-		if (setPrototypeOf) setPrototypeOf(MapPoly, Map);
-		MapPoly.prototype = Object.create(Map.prototype, {
-			constructor: d_1(MapPoly)
-		});
-	}
-
-	eventEmitter(defineProperties$3(MapPoly.prototype, {
-		clear: d_1(function () {
-			if (!this.__mapKeysData__.length) return;
-			clear.call(this.__mapKeysData__);
-			clear.call(this.__mapValuesData__);
-			this.emit('_clear');
-		}),
-		delete: d_1(function (key) {
-			var index = eIndexOf.call(this.__mapKeysData__, key);
-			if (index === -1) return false;
-			this.__mapKeysData__.splice(index, 1);
-			this.__mapValuesData__.splice(index, 1);
-			this.emit('_delete', index, key);
-			return true;
-		}),
-		entries: d_1(function () { return new iterator$2(this, 'key+value'); }),
-		forEach: d_1(function (cb/*, thisArg*/) {
-			var thisArg = arguments[1], iterator, result;
-			validCallable(cb);
-			iterator = this.entries();
-			result = iterator._next();
-			while (result !== undefined) {
-				call$5.call(cb, thisArg, this.__mapValuesData__[result],
-					this.__mapKeysData__[result], this);
-				result = iterator._next();
-			}
-		}),
-		get: d_1(function (key) {
-			var index = eIndexOf.call(this.__mapKeysData__, key);
-			if (index === -1) return;
-			return this.__mapValuesData__[index];
-		}),
-		has: d_1(function (key) {
-			return (eIndexOf.call(this.__mapKeysData__, key) !== -1);
-		}),
-		keys: d_1(function () { return new iterator$2(this, 'key'); }),
-		set: d_1(function (key, value) {
-			var index = eIndexOf.call(this.__mapKeysData__, key), emit;
-			if (index === -1) {
-				index = this.__mapKeysData__.push(key) - 1;
-				emit = true;
-			}
-			this.__mapValuesData__[index] = value;
-			if (emit) this.emit('_add', index, key);
-			return this;
-		}),
-		size: d_1.gs(function () { return this.__mapKeysData__.length; }),
-		values: d_1(function () { return new iterator$2(this, 'value'); }),
-		toString: d_1(function () { return '[object Map]'; })
-	}));
-	Object.defineProperty(MapPoly.prototype, es6Symbol$1.iterator, d_1(function () {
-		return this.entries();
-	}));
-	Object.defineProperty(MapPoly.prototype, es6Symbol$1.toStringTag, d_1('c', 'Map'));
-
-	var es6Map = isImplemented$b() ? Map : polyfill$3;
-
-	var toStr = Object.prototype.toString;
-
-	var isArguments$1 = function isArguments(value) {
-		var str = toStr.call(value);
-		var isArgs = str === '[object Arguments]';
-		if (!isArgs) {
-			isArgs = str !== '[object Array]' &&
-				value !== null &&
-				typeof value === 'object' &&
-				typeof value.length === 'number' &&
-				value.length >= 0 &&
-				toStr.call(value.callee) === '[object Function]';
-		}
-		return isArgs;
-	};
-
-	var keysShim;
-	if (!Object.keys) {
-		// modified from https://github.com/es-shims/es5-shim
-		var has = Object.prototype.hasOwnProperty;
-		var toStr$1 = Object.prototype.toString;
-		var isArgs = isArguments$1; // eslint-disable-line global-require
-		var isEnumerable = Object.prototype.propertyIsEnumerable;
-		var hasDontEnumBug = !isEnumerable.call({ toString: null }, 'toString');
-		var hasProtoEnumBug = isEnumerable.call(function () {}, 'prototype');
-		var dontEnums = [
-			'toString',
-			'toLocaleString',
-			'valueOf',
-			'hasOwnProperty',
-			'isPrototypeOf',
-			'propertyIsEnumerable',
-			'constructor'
-		];
-		var equalsConstructorPrototype = function (o) {
-			var ctor = o.constructor;
-			return ctor && ctor.prototype === o;
-		};
-		var excludedKeys = {
-			$applicationCache: true,
-			$console: true,
-			$external: true,
-			$frame: true,
-			$frameElement: true,
-			$frames: true,
-			$innerHeight: true,
-			$innerWidth: true,
-			$onmozfullscreenchange: true,
-			$onmozfullscreenerror: true,
-			$outerHeight: true,
-			$outerWidth: true,
-			$pageXOffset: true,
-			$pageYOffset: true,
-			$parent: true,
-			$scrollLeft: true,
-			$scrollTop: true,
-			$scrollX: true,
-			$scrollY: true,
-			$self: true,
-			$webkitIndexedDB: true,
-			$webkitStorageInfo: true,
-			$window: true
-		};
-		var hasAutomationEqualityBug = (function () {
-			/* global window */
-			if (typeof window === 'undefined') { return false; }
-			for (var k in window) {
-				try {
-					if (!excludedKeys['$' + k] && has.call(window, k) && window[k] !== null && typeof window[k] === 'object') {
-						try {
-							equalsConstructorPrototype(window[k]);
-						} catch (e) {
-							return true;
-						}
-					}
-				} catch (e) {
-					return true;
-				}
-			}
-			return false;
-		}());
-		var equalsConstructorPrototypeIfNotBuggy = function (o) {
-			/* global window */
-			if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
-				return equalsConstructorPrototype(o);
-			}
-			try {
-				return equalsConstructorPrototype(o);
-			} catch (e) {
-				return false;
-			}
-		};
-
-		keysShim = function keys(object) {
-			var isObject = object !== null && typeof object === 'object';
-			var isFunction = toStr$1.call(object) === '[object Function]';
-			var isArguments = isArgs(object);
-			var isString = isObject && toStr$1.call(object) === '[object String]';
-			var theKeys = [];
-
-			if (!isObject && !isFunction && !isArguments) {
-				throw new TypeError('Object.keys called on a non-object');
-			}
-
-			var skipProto = hasProtoEnumBug && isFunction;
-			if (isString && object.length > 0 && !has.call(object, 0)) {
-				for (var i = 0; i < object.length; ++i) {
-					theKeys.push(String(i));
-				}
-			}
-
-			if (isArguments && object.length > 0) {
-				for (var j = 0; j < object.length; ++j) {
-					theKeys.push(String(j));
-				}
-			} else {
-				for (var name in object) {
-					if (!(skipProto && name === 'prototype') && has.call(object, name)) {
-						theKeys.push(String(name));
-					}
-				}
-			}
-
-			if (hasDontEnumBug) {
-				var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
-
-				for (var k = 0; k < dontEnums.length; ++k) {
-					if (!(skipConstructor && dontEnums[k] === 'constructor') && has.call(object, dontEnums[k])) {
-						theKeys.push(dontEnums[k]);
-					}
-				}
-			}
-			return theKeys;
-		};
-	}
-	var implementation$1 = keysShim;
-
-	var slice = Array.prototype.slice;
-
-
-	var origKeys = Object.keys;
-	var keysShim$1 = origKeys ? function keys(o) { return origKeys(o); } : implementation$1;
-
-	var originalKeys = Object.keys;
-
-	keysShim$1.shim = function shimObjectKeys() {
-		if (Object.keys) {
-			var keysWorksWithArguments = (function () {
-				// Safari 5.0 bug
-				var args = Object.keys(arguments);
-				return args && args.length === arguments.length;
-			}(1, 2));
-			if (!keysWorksWithArguments) {
-				Object.keys = function keys(object) { // eslint-disable-line func-name-matching
-					if (isArguments$1(object)) {
-						return originalKeys(slice.call(object));
-					}
-					return originalKeys(object);
-				};
-			}
-		} else {
-			Object.keys = keysShim$1;
-		}
-		return Object.keys || keysShim$1;
-	};
-
-	var objectKeys = keysShim$1;
-
-	var hasSymbols = typeof Symbol === 'function' && typeof Symbol('foo') === 'symbol';
-
-	var toStr$2 = Object.prototype.toString;
-	var concat = Array.prototype.concat;
-	var origDefineProperty = Object.defineProperty;
-
-	var isFunction$1 = function (fn) {
-		return typeof fn === 'function' && toStr$2.call(fn) === '[object Function]';
-	};
-
-	var arePropertyDescriptorsSupported = function () {
-		var obj = {};
-		try {
-			origDefineProperty(obj, 'x', { enumerable: false, value: obj });
-			// eslint-disable-next-line no-unused-vars, no-restricted-syntax
-			for (var _ in obj) { // jscs:ignore disallowUnusedVariables
-				return false;
-			}
-			return obj.x === obj;
-		} catch (e) { /* this is IE 8. */
-			return false;
-		}
-	};
-	var supportsDescriptors = origDefineProperty && arePropertyDescriptorsSupported();
-
-	var defineProperty$8 = function (object, name, value, predicate) {
-		if (name in object && (!isFunction$1(predicate) || !predicate())) {
-			return;
-		}
-		if (supportsDescriptors) {
-			origDefineProperty(object, name, {
-				configurable: true,
-				enumerable: false,
-				value: value,
-				writable: true
-			});
-		} else {
-			object[name] = value;
-		}
-	};
-
-	var defineProperties$4 = function (object, map) {
-		var predicates = arguments.length > 2 ? arguments[2] : {};
-		var props = objectKeys(map);
-		if (hasSymbols) {
-			props = concat.call(props, Object.getOwnPropertySymbols(map));
-		}
-		for (var i = 0; i < props.length; i += 1) {
-			defineProperty$8(object, props[i], map[props[i]], predicates[props[i]]);
-		}
-	};
-
-	defineProperties$4.supportsDescriptors = !!supportsDescriptors;
-
-	var defineProperties_1 = defineProperties$4;
-
-	/* eslint complexity: [2, 18], max-statements: [2, 33] */
-	var shams = function hasSymbols() {
-		if (typeof Symbol !== 'function' || typeof Object.getOwnPropertySymbols !== 'function') { return false; }
-		if (typeof Symbol.iterator === 'symbol') { return true; }
-
-		var obj = {};
-		var sym = Symbol('test');
-		var symObj = Object(sym);
-		if (typeof sym === 'string') { return false; }
-
-		if (Object.prototype.toString.call(sym) !== '[object Symbol]') { return false; }
-		if (Object.prototype.toString.call(symObj) !== '[object Symbol]') { return false; }
-
-		// temp disabled per https://github.com/ljharb/object.assign/issues/17
-		// if (sym instanceof Symbol) { return false; }
-		// temp disabled per https://github.com/WebReflection/get-own-property-symbols/issues/4
-		// if (!(symObj instanceof Symbol)) { return false; }
-
-		// if (typeof Symbol.prototype.toString !== 'function') { return false; }
-		// if (String(sym) !== Symbol.prototype.toString.call(sym)) { return false; }
-
-		var symVal = 42;
-		obj[sym] = symVal;
-		for (sym in obj) { return false; } // eslint-disable-line no-restricted-syntax
-		if (typeof Object.keys === 'function' && Object.keys(obj).length !== 0) { return false; }
-
-		if (typeof Object.getOwnPropertyNames === 'function' && Object.getOwnPropertyNames(obj).length !== 0) { return false; }
-
-		var syms = Object.getOwnPropertySymbols(obj);
-		if (syms.length !== 1 || syms[0] !== sym) { return false; }
-
-		if (!Object.prototype.propertyIsEnumerable.call(obj, sym)) { return false; }
-
-		if (typeof Object.getOwnPropertyDescriptor === 'function') {
-			var descriptor = Object.getOwnPropertyDescriptor(obj, sym);
-			if (descriptor.value !== symVal || descriptor.enumerable !== true) { return false; }
-		}
-
-		return true;
-	};
-
-	var origSymbol = commonjsGlobal.Symbol;
-
-
-	var hasSymbols$1 = function hasNativeSymbols() {
-		if (typeof origSymbol !== 'function') { return false; }
-		if (typeof Symbol !== 'function') { return false; }
-		if (typeof origSymbol('foo') !== 'symbol') { return false; }
-		if (typeof Symbol('bar') !== 'symbol') { return false; }
-
-		return shams();
-	};
-
-	/* eslint no-invalid-this: 1 */
-
-	var ERROR_MESSAGE = 'Function.prototype.bind called on incompatible ';
-	var slice$1 = Array.prototype.slice;
-	var toStr$3 = Object.prototype.toString;
-	var funcType = '[object Function]';
-
-	var implementation$2 = function bind(that) {
-	    var target = this;
-	    if (typeof target !== 'function' || toStr$3.call(target) !== funcType) {
-	        throw new TypeError(ERROR_MESSAGE + target);
-	    }
-	    var args = slice$1.call(arguments, 1);
-
-	    var bound;
-	    var binder = function () {
-	        if (this instanceof bound) {
-	            var result = target.apply(
-	                this,
-	                args.concat(slice$1.call(arguments))
-	            );
-	            if (Object(result) === result) {
-	                return result;
-	            }
-	            return this;
-	        } else {
-	            return target.apply(
-	                that,
-	                args.concat(slice$1.call(arguments))
-	            );
-	        }
-	    };
-
-	    var boundLength = Math.max(0, target.length - args.length);
-	    var boundArgs = [];
-	    for (var i = 0; i < boundLength; i++) {
-	        boundArgs.push('$' + i);
-	    }
-
-	    bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this,arguments); }')(binder);
-
-	    if (target.prototype) {
-	        var Empty = function Empty() {};
-	        Empty.prototype = target.prototype;
-	        bound.prototype = new Empty();
-	        Empty.prototype = null;
-	    }
-
-	    return bound;
-	};
-
-	var functionBind = Function.prototype.bind || implementation$2;
-
-	/* globals
-		Atomics,
-		SharedArrayBuffer,
-	*/
-
-	var undefined$1;
-
-	var $TypeError = TypeError;
-
-	var $gOPD = Object.getOwnPropertyDescriptor;
-	if ($gOPD) {
-		try {
-			$gOPD({}, '');
-		} catch (e) {
-			$gOPD = null; // this is IE 8, which has a broken gOPD
-		}
-	}
-
-	var throwTypeError = function () { throw new $TypeError(); };
-	var ThrowTypeError = $gOPD
-		? (function () {
-			try {
-				// eslint-disable-next-line no-unused-expressions, no-caller, no-restricted-properties
-				arguments.callee; // IE 8 does not throw here
-				return throwTypeError;
-			} catch (calleeThrows) {
-				try {
-					// IE 8 throws on Object.getOwnPropertyDescriptor(arguments, '')
-					return $gOPD(arguments, 'callee').get;
-				} catch (gOPDthrows) {
-					return throwTypeError;
-				}
-			}
-		}())
-		: throwTypeError;
-
-	var hasSymbols$2 = hasSymbols$1();
-
-	var getProto = Object.getPrototypeOf || function (x) { return x.__proto__; }; // eslint-disable-line no-proto
-	var generatorFunction =  undefined$1;
-	var asyncFunction =  undefined$1;
-	var asyncGenFunction =  undefined$1;
-
-	var TypedArray = typeof Uint8Array === 'undefined' ? undefined$1 : getProto(Uint8Array);
-
-	var INTRINSICS = {
-		'%Array%': Array,
-		'%ArrayBuffer%': typeof ArrayBuffer === 'undefined' ? undefined$1 : ArrayBuffer,
-		'%ArrayBufferPrototype%': typeof ArrayBuffer === 'undefined' ? undefined$1 : ArrayBuffer.prototype,
-		'%ArrayIteratorPrototype%': hasSymbols$2 ? getProto([][Symbol.iterator]()) : undefined$1,
-		'%ArrayPrototype%': Array.prototype,
-		'%ArrayProto_entries%': Array.prototype.entries,
-		'%ArrayProto_forEach%': Array.prototype.forEach,
-		'%ArrayProto_keys%': Array.prototype.keys,
-		'%ArrayProto_values%': Array.prototype.values,
-		'%AsyncFromSyncIteratorPrototype%': undefined$1,
-		'%AsyncFunction%': asyncFunction,
-		'%AsyncFunctionPrototype%':  undefined$1,
-		'%AsyncGenerator%':  undefined$1,
-		'%AsyncGeneratorFunction%': asyncGenFunction,
-		'%AsyncGeneratorPrototype%':  undefined$1,
-		'%AsyncIteratorPrototype%':  undefined$1,
-		'%Atomics%': typeof Atomics === 'undefined' ? undefined$1 : Atomics,
-		'%Boolean%': Boolean,
-		'%BooleanPrototype%': Boolean.prototype,
-		'%DataView%': typeof DataView === 'undefined' ? undefined$1 : DataView,
-		'%DataViewPrototype%': typeof DataView === 'undefined' ? undefined$1 : DataView.prototype,
-		'%Date%': Date,
-		'%DatePrototype%': Date.prototype,
-		'%decodeURI%': decodeURI,
-		'%decodeURIComponent%': decodeURIComponent,
-		'%encodeURI%': encodeURI,
-		'%encodeURIComponent%': encodeURIComponent,
-		'%Error%': Error,
-		'%ErrorPrototype%': Error.prototype,
-		'%eval%': eval, // eslint-disable-line no-eval
-		'%EvalError%': EvalError,
-		'%EvalErrorPrototype%': EvalError.prototype,
-		'%Float32Array%': typeof Float32Array === 'undefined' ? undefined$1 : Float32Array,
-		'%Float32ArrayPrototype%': typeof Float32Array === 'undefined' ? undefined$1 : Float32Array.prototype,
-		'%Float64Array%': typeof Float64Array === 'undefined' ? undefined$1 : Float64Array,
-		'%Float64ArrayPrototype%': typeof Float64Array === 'undefined' ? undefined$1 : Float64Array.prototype,
-		'%Function%': Function,
-		'%FunctionPrototype%': Function.prototype,
-		'%Generator%':  undefined$1,
-		'%GeneratorFunction%': generatorFunction,
-		'%GeneratorPrototype%':  undefined$1,
-		'%Int8Array%': typeof Int8Array === 'undefined' ? undefined$1 : Int8Array,
-		'%Int8ArrayPrototype%': typeof Int8Array === 'undefined' ? undefined$1 : Int8Array.prototype,
-		'%Int16Array%': typeof Int16Array === 'undefined' ? undefined$1 : Int16Array,
-		'%Int16ArrayPrototype%': typeof Int16Array === 'undefined' ? undefined$1 : Int8Array.prototype,
-		'%Int32Array%': typeof Int32Array === 'undefined' ? undefined$1 : Int32Array,
-		'%Int32ArrayPrototype%': typeof Int32Array === 'undefined' ? undefined$1 : Int32Array.prototype,
-		'%isFinite%': isFinite,
-		'%isNaN%': isNaN,
-		'%IteratorPrototype%': hasSymbols$2 ? getProto(getProto([][Symbol.iterator]())) : undefined$1,
-		'%JSON%': typeof JSON === 'object' ? JSON : undefined$1,
-		'%JSONParse%': typeof JSON === 'object' ? JSON.parse : undefined$1,
-		'%Map%': typeof Map === 'undefined' ? undefined$1 : Map,
-		'%MapIteratorPrototype%': typeof Map === 'undefined' || !hasSymbols$2 ? undefined$1 : getProto(new Map()[Symbol.iterator]()),
-		'%MapPrototype%': typeof Map === 'undefined' ? undefined$1 : Map.prototype,
-		'%Math%': Math,
-		'%Number%': Number,
-		'%NumberPrototype%': Number.prototype,
-		'%Object%': Object,
-		'%ObjectPrototype%': Object.prototype,
-		'%ObjProto_toString%': Object.prototype.toString,
-		'%ObjProto_valueOf%': Object.prototype.valueOf,
-		'%parseFloat%': parseFloat,
-		'%parseInt%': parseInt,
-		'%Promise%': typeof Promise === 'undefined' ? undefined$1 : Promise,
-		'%PromisePrototype%': typeof Promise === 'undefined' ? undefined$1 : Promise.prototype,
-		'%PromiseProto_then%': typeof Promise === 'undefined' ? undefined$1 : Promise.prototype.then,
-		'%Promise_all%': typeof Promise === 'undefined' ? undefined$1 : Promise.all,
-		'%Promise_reject%': typeof Promise === 'undefined' ? undefined$1 : Promise.reject,
-		'%Promise_resolve%': typeof Promise === 'undefined' ? undefined$1 : Promise.resolve,
-		'%Proxy%': typeof Proxy === 'undefined' ? undefined$1 : Proxy,
-		'%RangeError%': RangeError,
-		'%RangeErrorPrototype%': RangeError.prototype,
-		'%ReferenceError%': ReferenceError,
-		'%ReferenceErrorPrototype%': ReferenceError.prototype,
-		'%Reflect%': typeof Reflect === 'undefined' ? undefined$1 : Reflect,
-		'%RegExp%': RegExp,
-		'%RegExpPrototype%': RegExp.prototype,
-		'%Set%': typeof Set === 'undefined' ? undefined$1 : Set,
-		'%SetIteratorPrototype%': typeof Set === 'undefined' || !hasSymbols$2 ? undefined$1 : getProto(new Set()[Symbol.iterator]()),
-		'%SetPrototype%': typeof Set === 'undefined' ? undefined$1 : Set.prototype,
-		'%SharedArrayBuffer%': typeof SharedArrayBuffer === 'undefined' ? undefined$1 : SharedArrayBuffer,
-		'%SharedArrayBufferPrototype%': typeof SharedArrayBuffer === 'undefined' ? undefined$1 : SharedArrayBuffer.prototype,
-		'%String%': String,
-		'%StringIteratorPrototype%': hasSymbols$2 ? getProto(''[Symbol.iterator]()) : undefined$1,
-		'%StringPrototype%': String.prototype,
-		'%Symbol%': hasSymbols$2 ? Symbol : undefined$1,
-		'%SymbolPrototype%': hasSymbols$2 ? Symbol.prototype : undefined$1,
-		'%SyntaxError%': SyntaxError,
-		'%SyntaxErrorPrototype%': SyntaxError.prototype,
-		'%ThrowTypeError%': ThrowTypeError,
-		'%TypedArray%': TypedArray,
-		'%TypedArrayPrototype%': TypedArray ? TypedArray.prototype : undefined$1,
-		'%TypeError%': $TypeError,
-		'%TypeErrorPrototype%': $TypeError.prototype,
-		'%Uint8Array%': typeof Uint8Array === 'undefined' ? undefined$1 : Uint8Array,
-		'%Uint8ArrayPrototype%': typeof Uint8Array === 'undefined' ? undefined$1 : Uint8Array.prototype,
-		'%Uint8ClampedArray%': typeof Uint8ClampedArray === 'undefined' ? undefined$1 : Uint8ClampedArray,
-		'%Uint8ClampedArrayPrototype%': typeof Uint8ClampedArray === 'undefined' ? undefined$1 : Uint8ClampedArray.prototype,
-		'%Uint16Array%': typeof Uint16Array === 'undefined' ? undefined$1 : Uint16Array,
-		'%Uint16ArrayPrototype%': typeof Uint16Array === 'undefined' ? undefined$1 : Uint16Array.prototype,
-		'%Uint32Array%': typeof Uint32Array === 'undefined' ? undefined$1 : Uint32Array,
-		'%Uint32ArrayPrototype%': typeof Uint32Array === 'undefined' ? undefined$1 : Uint32Array.prototype,
-		'%URIError%': URIError,
-		'%URIErrorPrototype%': URIError.prototype,
-		'%WeakMap%': typeof WeakMap === 'undefined' ? undefined$1 : WeakMap,
-		'%WeakMapPrototype%': typeof WeakMap === 'undefined' ? undefined$1 : WeakMap.prototype,
-		'%WeakSet%': typeof WeakSet === 'undefined' ? undefined$1 : WeakSet,
-		'%WeakSetPrototype%': typeof WeakSet === 'undefined' ? undefined$1 : WeakSet.prototype
-	};
-
-
-	var $replace = functionBind.call(Function.call, String.prototype.replace);
-
-	/* adapted from https://github.com/lodash/lodash/blob/4.17.15/dist/lodash.js#L6735-L6744 */
-	var rePropName = /[^%.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|%$))/g;
-	var reEscapeChar = /\\(\\)?/g; /** Used to match backslashes in property paths. */
-	var stringToPath = function stringToPath(string) {
-		var result = [];
-		$replace(string, rePropName, function (match, number, quote, subString) {
-			result[result.length] = quote ? $replace(subString, reEscapeChar, '$1') : (number || match);
-		});
-		return result;
-	};
-	/* end adaptation */
-
-	var getBaseIntrinsic = function getBaseIntrinsic(name, allowMissing) {
-		if (!(name in INTRINSICS)) {
-			throw new SyntaxError('intrinsic ' + name + ' does not exist!');
-		}
-
-		// istanbul ignore if // hopefully this is impossible to test :-)
-		if (typeof INTRINSICS[name] === 'undefined' && !allowMissing) {
-			throw new $TypeError('intrinsic ' + name + ' exists, but is not available. Please file an issue!');
-		}
-
-		return INTRINSICS[name];
-	};
-
-	var GetIntrinsic = function GetIntrinsic(name, allowMissing) {
-		if (typeof name !== 'string' || name.length === 0) {
-			throw new TypeError('intrinsic name must be a non-empty string');
-		}
-		if (arguments.length > 1 && typeof allowMissing !== 'boolean') {
-			throw new TypeError('"allowMissing" argument must be a boolean');
-		}
-
-		var parts = stringToPath(name);
-
-		var value = getBaseIntrinsic('%' + (parts.length > 0 ? parts[0] : '') + '%', allowMissing);
-		for (var i = 1; i < parts.length; i += 1) {
-			if (value != null) {
-				if ($gOPD && (i + 1) >= parts.length) {
-					var desc = $gOPD(value, parts[i]);
-					if (!allowMissing && !(parts[i] in value)) {
-						throw new $TypeError('base intrinsic for ' + name + ' exists, but the property is not available.');
-					}
-					value = desc ? (desc.get || desc.value) : value[parts[i]];
-				} else {
-					value = value[parts[i]];
-				}
-			}
-		}
-		return value;
-	};
-
-	var $TypeError$1 = GetIntrinsic('%TypeError%');
-
-	// http://www.ecma-international.org/ecma-262/5.1/#sec-9.10
-
-	var CheckObjectCoercible = function CheckObjectCoercible(value, optMessage) {
-		if (value == null) {
-			throw new $TypeError$1(optMessage || ('Cannot call method on ' + value));
-		}
-		return value;
-	};
-
-	var RequireObjectCoercible = CheckObjectCoercible;
-
-	var $Object = GetIntrinsic('%Object%');
-
-
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-toobject
-
-	var ToObject = function ToObject(value) {
-		RequireObjectCoercible(value);
-		return $Object(value);
-	};
-
-	var $Math = GetIntrinsic('%Math%');
-	var $Number = GetIntrinsic('%Number%');
-
-	var maxSafeInteger = $Number.MAX_SAFE_INTEGER || $Math.pow(2, 53) - 1;
-
-	// http://www.ecma-international.org/ecma-262/5.1/#sec-9.3
-
-	var ToNumber = function ToNumber(value) {
-		return +value; // eslint-disable-line no-implicit-coercion
-	};
-
-	var _isNaN = Number.isNaN || function isNaN(a) {
-		return a !== a;
-	};
-
-	var $isNaN = Number.isNaN || function (a) { return a !== a; };
-
-	var _isFinite = Number.isFinite || function (x) { return typeof x === 'number' && !$isNaN(x) && x !== Infinity && x !== -Infinity; };
-
-	var sign$1 = function sign(number) {
-		return number >= 0 ? 1 : -1;
-	};
-
-	var $Math$1 = GetIntrinsic('%Math%');
-
-
-
-
-
-
-	var $floor = $Math$1.floor;
-	var $abs = $Math$1.abs;
-
-	// http://www.ecma-international.org/ecma-262/5.1/#sec-9.4
-
-	var ToInteger = function ToInteger(value) {
-		var number = ToNumber(value);
-		if (_isNaN(number)) { return 0; }
-		if (number === 0 || !_isFinite(number)) { return number; }
-		return sign$1(number) * $floor($abs(number));
-	};
-
-	var $apply = GetIntrinsic('%Function.prototype.apply%');
-	var $call = GetIntrinsic('%Function.prototype.call%');
-	var $reflectApply = GetIntrinsic('%Reflect.apply%', true) || functionBind.call($call, $apply);
-
-	var callBind = function callBind() {
-		return $reflectApply(functionBind, $call, arguments);
-	};
-
-	var apply = function applyBind() {
-		return $reflectApply(functionBind, $apply, arguments);
-	};
-	callBind.apply = apply;
-
-	var $indexOf = callBind(GetIntrinsic('String.prototype.indexOf'));
-
-	var callBound = function callBoundIntrinsic(name, allowMissing) {
-		var intrinsic = GetIntrinsic(name, !!allowMissing);
-		if (typeof intrinsic === 'function' && $indexOf(name, '.prototype.')) {
-			return callBind(intrinsic);
-		}
-		return intrinsic;
-	};
-
-	var $test = GetIntrinsic('RegExp.prototype.test');
-
-
-
-	var regexTester = function regexTester(regex) {
-		return callBind($test, regex);
-	};
-
-	var isPrimitive = function isPrimitive(value) {
-		return value === null || (typeof value !== 'function' && typeof value !== 'object');
-	};
-
-	var isPrimitive$1 = function isPrimitive(value) {
-		return value === null || (typeof value !== 'function' && typeof value !== 'object');
-	};
-
-	var fnToStr = Function.prototype.toString;
-	var reflectApply = typeof Reflect === 'object' && Reflect !== null && Reflect.apply;
-	var badArrayLike;
-	var isCallableMarker;
-	if (typeof reflectApply === 'function' && typeof Object.defineProperty === 'function') {
-		try {
-			badArrayLike = Object.defineProperty({}, 'length', {
-				get: function () {
-					throw isCallableMarker;
-				}
-			});
-			isCallableMarker = {};
-		} catch (_) {
-			reflectApply = null;
-		}
-	} else {
-		reflectApply = null;
-	}
-
-	var constructorRegex = /^\s*class\b/;
-	var isES6ClassFn = function isES6ClassFunction(value) {
-		try {
-			var fnStr = fnToStr.call(value);
-			return constructorRegex.test(fnStr);
-		} catch (e) {
-			return false; // not a function
-		}
-	};
-
-	var tryFunctionObject = function tryFunctionToStr(value) {
-		try {
-			if (isES6ClassFn(value)) { return false; }
-			fnToStr.call(value);
-			return true;
-		} catch (e) {
-			return false;
-		}
-	};
-	var toStr$4 = Object.prototype.toString;
-	var fnClass = '[object Function]';
-	var genClass = '[object GeneratorFunction]';
-	var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
-
-	var isCallable = reflectApply
-		? function isCallable(value) {
-			if (!value) { return false; }
-			if (typeof value !== 'function' && typeof value !== 'object') { return false; }
-			if (typeof value === 'function' && !value.prototype) { return true; }
-			try {
-				reflectApply(value, null, badArrayLike);
-			} catch (e) {
-				if (e !== isCallableMarker) { return false; }
-			}
-			return !isES6ClassFn(value);
-		}
-		: function isCallable(value) {
-			if (!value) { return false; }
-			if (typeof value !== 'function' && typeof value !== 'object') { return false; }
-			if (typeof value === 'function' && !value.prototype) { return true; }
-			if (hasToStringTag) { return tryFunctionObject(value); }
-			if (isES6ClassFn(value)) { return false; }
-			var strClass = toStr$4.call(value);
-			return strClass === fnClass || strClass === genClass;
-		};
-
-	var getDay = Date.prototype.getDay;
-	var tryDateObject = function tryDateGetDayCall(value) {
-		try {
-			getDay.call(value);
-			return true;
-		} catch (e) {
-			return false;
-		}
-	};
-
-	var toStr$5 = Object.prototype.toString;
-	var dateClass = '[object Date]';
-	var hasToStringTag$1 = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
-
-	var isDateObject = function isDateObject(value) {
-		if (typeof value !== 'object' || value === null) {
-			return false;
-		}
-		return hasToStringTag$1 ? tryDateObject(value) : toStr$5.call(value) === dateClass;
-	};
-
-	var isSymbol$2 = createCommonjsModule(function (module) {
-
-	var toStr = Object.prototype.toString;
-	var hasSymbols = hasSymbols$1();
-
-	if (hasSymbols) {
-		var symToStr = Symbol.prototype.toString;
-		var symStringRegex = /^Symbol\(.*\)$/;
-		var isSymbolObject = function isRealSymbolObject(value) {
-			if (typeof value.valueOf() !== 'symbol') {
-				return false;
-			}
-			return symStringRegex.test(symToStr.call(value));
-		};
-
-		module.exports = function isSymbol(value) {
-			if (typeof value === 'symbol') {
-				return true;
-			}
-			if (toStr.call(value) !== '[object Symbol]') {
-				return false;
-			}
-			try {
-				return isSymbolObject(value);
-			} catch (e) {
-				return false;
-			}
-		};
-	} else {
-
-		module.exports = function isSymbol(value) {
-			// this environment does not support Symbols.
-			return false ;
-		};
-	}
-	});
-
-	var hasSymbols$3 = typeof Symbol === 'function' && typeof Symbol.iterator === 'symbol';
-
-
-
-
-
-
-	var ordinaryToPrimitive = function OrdinaryToPrimitive(O, hint) {
-		if (typeof O === 'undefined' || O === null) {
-			throw new TypeError('Cannot call method on ' + O);
-		}
-		if (typeof hint !== 'string' || (hint !== 'number' && hint !== 'string')) {
-			throw new TypeError('hint must be "string" or "number"');
-		}
-		var methodNames = hint === 'string' ? ['toString', 'valueOf'] : ['valueOf', 'toString'];
-		var method, result, i;
-		for (i = 0; i < methodNames.length; ++i) {
-			method = O[methodNames[i]];
-			if (isCallable(method)) {
-				result = method.call(O);
-				if (isPrimitive$1(result)) {
-					return result;
-				}
-			}
-		}
-		throw new TypeError('No default value');
-	};
-
-	var GetMethod = function GetMethod(O, P) {
-		var func = O[P];
-		if (func !== null && typeof func !== 'undefined') {
-			if (!isCallable(func)) {
-				throw new TypeError(func + ' returned for property ' + P + ' of object ' + O + ' is not a function');
-			}
-			return func;
-		}
-		return void 0;
-	};
-
-	// http://www.ecma-international.org/ecma-262/6.0/#sec-toprimitive
-	var es2015 = function ToPrimitive(input) {
-		if (isPrimitive$1(input)) {
-			return input;
-		}
-		var hint = 'default';
-		if (arguments.length > 1) {
-			if (arguments[1] === String) {
-				hint = 'string';
-			} else if (arguments[1] === Number) {
-				hint = 'number';
-			}
-		}
-
-		var exoticToPrim;
-		if (hasSymbols$3) {
-			if (Symbol.toPrimitive) {
-				exoticToPrim = GetMethod(input, Symbol.toPrimitive);
-			} else if (isSymbol$2(input)) {
-				exoticToPrim = Symbol.prototype.valueOf;
-			}
-		}
-		if (typeof exoticToPrim !== 'undefined') {
-			var result = exoticToPrim.call(input, hint);
-			if (isPrimitive$1(result)) {
-				return result;
-			}
-			throw new TypeError('unable to convert exotic object to primitive');
-		}
-		if (hint === 'default' && (isDateObject(input) || isSymbol$2(input))) {
-			hint = 'string';
-		}
-		return ordinaryToPrimitive(input, hint === 'default' ? 'number' : hint);
-	};
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-toprimitive
-
-	var ToPrimitive = function ToPrimitive(input) {
-		if (arguments.length > 1) {
-			return es2015(input, arguments[1]);
-		}
-		return es2015(input);
-	};
-
-	var $TypeError$2 = GetIntrinsic('%TypeError%');
-	var $Number$1 = GetIntrinsic('%Number%');
-	var $RegExp = GetIntrinsic('%RegExp%');
-	var $parseInteger = GetIntrinsic('%parseInt%');
-
-
-
-
-
-	var $strSlice = callBound('String.prototype.slice');
-	var isBinary = regexTester(/^0b[01]+$/i);
-	var isOctal = regexTester(/^0o[0-7]+$/i);
-	var isInvalidHexLiteral = regexTester(/^[-+]0x[0-9a-f]+$/i);
-	var nonWS = ['\u0085', '\u200b', '\ufffe'].join('');
-	var nonWSregex = new $RegExp('[' + nonWS + ']', 'g');
-	var hasNonWS = regexTester(nonWSregex);
-
-	// whitespace from: https://es5.github.io/#x15.5.4.20
-	// implementation from https://github.com/es-shims/es5-shim/blob/v3.4.0/es5-shim.js#L1304-L1324
-	var ws = [
-		'\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003',
-		'\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028',
-		'\u2029\uFEFF'
-	].join('');
-	var trimRegex = new RegExp('(^[' + ws + ']+)|([' + ws + ']+$)', 'g');
-	var $replace$1 = callBound('String.prototype.replace');
-	var $trim = function (value) {
-		return $replace$1(value, trimRegex, '');
-	};
-
-
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-tonumber
-
-	var ToNumber$1 = function ToNumber(argument) {
-		var value = isPrimitive(argument) ? argument : ToPrimitive(argument, $Number$1);
-		if (typeof value === 'symbol') {
-			throw new $TypeError$2('Cannot convert a Symbol value to a number');
-		}
-		if (typeof value === 'string') {
-			if (isBinary(value)) {
-				return ToNumber($parseInteger($strSlice(value, 2), 2));
-			} else if (isOctal(value)) {
-				return ToNumber($parseInteger($strSlice(value, 2), 8));
-			} else if (hasNonWS(value) || isInvalidHexLiteral(value)) {
-				return NaN;
-			} else {
-				var trimmed = $trim(value);
-				if (trimmed !== value) {
-					return ToNumber(trimmed);
-				}
-			}
-		}
-		return $Number$1(value);
-	};
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-tointeger
-
-	var ToInteger$1 = function ToInteger$1(value) {
-		var number = ToNumber$1(value);
-		return ToInteger(number);
-	};
-
-	var ToLength = function ToLength(argument) {
-		var len = ToInteger$1(argument);
-		if (len <= 0) { return 0; } // includes converting -0 to +0
-		if (len > maxSafeInteger) { return maxSafeInteger; }
-		return len;
-	};
-
-	// http://www.ecma-international.org/ecma-262/5.1/#sec-9.11
-
-	var IsCallable = isCallable;
-
-	var implementation$3 = function find(predicate) {
-		var list = ToObject(this);
-		var length = ToLength(list.length);
-		if (!IsCallable(predicate)) {
-			throw new TypeError('Array#find: predicate must be a function');
-		}
-		if (length === 0) {
-			return void 0;
-		}
-		var thisArg;
-		if (arguments.length > 0) {
-			thisArg = arguments[1];
-		}
-
-		for (var i = 0, value; i < length; i++) {
-			value = list[i];
-			// inlined for performance: if (Call(predicate, thisArg, [value, i, list])) {
-			if (predicate.apply(thisArg, [value, i, list])) {
-				return value;
-			}
-		}
-		return void 0;
-	};
-
-	var polyfill$4 = function getPolyfill() {
-		// Detect if an implementation exists
-		// Detect early implementations which skipped holes in sparse arrays
-		// eslint-disable-next-line no-sparse-arrays
-		var implemented = Array.prototype.find && [, 1].find(function () {
-			return true;
-		}) !== 1;
-
-		// eslint-disable-next-line global-require
-		return implemented ? Array.prototype.find : implementation$3;
-	};
-
-	var shim$8 = function shimArrayPrototypeFind() {
-		var polyfill = polyfill$4();
-
-		defineProperties_1(Array.prototype, { find: polyfill }, {
-			find: function () {
-				return Array.prototype.find !== polyfill;
-			}
-		});
-
-		return polyfill;
-	};
-
-	var slice$2 = Array.prototype.slice;
-
-	var polyfill$5 = polyfill$4();
-
-	var boundFindShim = function find(array, predicate) { // eslint-disable-line no-unused-vars
-		RequireObjectCoercible(array);
-		var args = slice$2.call(arguments, 1);
-		return polyfill$5.apply(array, args);
-	};
-
-	defineProperties_1(boundFindShim, {
-		getPolyfill: polyfill$4,
-		implementation: implementation$3,
-		shim: shim$8
-	});
-
-	var array_prototype_find = boundFindShim;
-
-	var implementation$4 = function findIndex(predicate) {
-		var list = ToObject(this);
-		var length = ToLength(list.length);
-		if (!IsCallable(predicate)) {
-			throw new TypeError('Array#findIndex: predicate must be a function');
-		}
-
-		if (length === 0) {
-			return -1;
-		}
-
-		var thisArg;
-		if (arguments.length > 0) {
-			thisArg = arguments[1];
-		}
-
-		for (var i = 0, value; i < length; i++) {
-			value = list[i];
-			// inlined for performance: if (Call(predicate, thisArg, [value, i, list])) return i;
-			if (predicate.apply(thisArg, [value, i, list])) {
-				return i;
-			}
-		}
-
-		return -1;
-	};
-
-	var polyfill$6 = function getPolyfill() {
-		// Detect if an implementation exists
-		// Detect early implementations which skipped holes in sparse arrays
-		// eslint-disable-next-line no-sparse-arrays
-		var implemented = Array.prototype.findIndex && ([, 1].findIndex(function (item, idx) {
-			return idx === 0;
-		}) === 0);
-
-		return implemented ? Array.prototype.findIndex : implementation$4;
-	};
-
-	var shim$9 = function shimFindIndex() {
-		var polyfill = polyfill$6();
-
-		defineProperties_1(Array.prototype, { findIndex: polyfill }, {
-			findIndex: function () {
-				return Array.prototype.findIndex !== polyfill;
-			}
-		});
-
-		return polyfill;
-	};
-
-	var slice$3 = Array.prototype.slice;
-
-	var polyfill$7 = polyfill$6();
-
-	var boundShim = function findIndex(array, predicate) { // eslint-disable-line no-unused-vars
-		RequireObjectCoercible(array);
-		var args = slice$3.call(arguments, 1);
-		return polyfill$7.apply(array, args);
-	};
-
-	defineProperties_1(boundShim, {
-		getPolyfill: polyfill$6,
-		implementation: implementation$4,
-		shim: shim$9
-	});
-
-	var array_prototype_findindex = boundShim;
-
-	var $apply$1 = GetIntrinsic('%Reflect.apply%', true) || callBound('%Function.prototype.apply%');
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-call
-
-	var Call = function Call(F, V) {
-		var args = arguments.length > 2 ? arguments[2] : [];
-		return $apply$1(F, V, args);
-	};
-
-	var $defineProperty = GetIntrinsic('%Object.defineProperty%', true);
-
-	if ($defineProperty) {
-		try {
-			$defineProperty({}, 'a', { value: 1 });
-		} catch (e) {
-			// IE 8 has a broken defineProperty
-			$defineProperty = null;
-		}
-	}
-
-
-
-	var $isEnumerable = callBound('Object.prototype.propertyIsEnumerable');
-
-	// eslint-disable-next-line max-params
-	var DefineOwnProperty = function DefineOwnProperty(IsDataDescriptor, SameValue, FromPropertyDescriptor, O, P, desc) {
-		if (!$defineProperty) {
-			if (!IsDataDescriptor(desc)) {
-				// ES3 does not support getters/setters
-				return false;
-			}
-			if (!desc['[[Configurable]]'] || !desc['[[Writable]]']) {
-				return false;
-			}
-
-			// fallback for ES3
-			if (P in O && $isEnumerable(O, P) !== !!desc['[[Enumerable]]']) {
-				// a non-enumerable existing property
-				return false;
-			}
-
-			// property does not exist at all, or exists but is enumerable
-			var V = desc['[[Value]]'];
-			// eslint-disable-next-line no-param-reassign
-			O[P] = V; // will use [[Define]]
-			return SameValue(O[P], V);
-		}
-		$defineProperty(O, P, FromPropertyDescriptor(desc));
-		return true;
-	};
-
-	var src = functionBind.call(Function.call, Object.prototype.hasOwnProperty);
-
-	var $TypeError$3 = GetIntrinsic('%TypeError%');
-	var $SyntaxError = GetIntrinsic('%SyntaxError%');
-
-
-
-	var predicates = {
-		// https://ecma-international.org/ecma-262/6.0/#sec-property-descriptor-specification-type
-		'Property Descriptor': function isPropertyDescriptor(Type, Desc) {
-			if (Type(Desc) !== 'Object') {
-				return false;
-			}
-			var allowed = {
-				'[[Configurable]]': true,
-				'[[Enumerable]]': true,
-				'[[Get]]': true,
-				'[[Set]]': true,
-				'[[Value]]': true,
-				'[[Writable]]': true
-			};
-
-			for (var key in Desc) { // eslint-disable-line
-				if (src(Desc, key) && !allowed[key]) {
-					return false;
-				}
-			}
-
-			var isData = src(Desc, '[[Value]]');
-			var IsAccessor = src(Desc, '[[Get]]') || src(Desc, '[[Set]]');
-			if (isData && IsAccessor) {
-				throw new $TypeError$3('Property Descriptors may not be both accessor and data descriptors');
-			}
-			return true;
-		}
-	};
-
-	var assertRecord = function assertRecord(Type, recordType, argumentName, value) {
-		var predicate = predicates[recordType];
-		if (typeof predicate !== 'function') {
-			throw new $SyntaxError('unknown record type: ' + recordType);
-		}
-		if (!predicate(Type, value)) {
-			throw new $TypeError$3(argumentName + ' must be a ' + recordType);
-		}
-	};
-
-	// https://www.ecma-international.org/ecma-262/5.1/#sec-8
-
-	var Type = function Type(x) {
-		if (x === null) {
-			return 'Null';
-		}
-		if (typeof x === 'undefined') {
-			return 'Undefined';
-		}
-		if (typeof x === 'function' || typeof x === 'object') {
-			return 'Object';
-		}
-		if (typeof x === 'number') {
-			return 'Number';
-		}
-		if (typeof x === 'boolean') {
-			return 'Boolean';
-		}
-		if (typeof x === 'string') {
-			return 'String';
-		}
-	};
-
-	// https://ecma-international.org/ecma-262/6.0/#sec-ecmascript-data-types-and-values
-
-	var Type$1 = function Type$1(x) {
-		if (typeof x === 'symbol') {
-			return 'Symbol';
-		}
-		return Type(x);
-	};
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-frompropertydescriptor
-
-	var FromPropertyDescriptor = function FromPropertyDescriptor(Desc) {
-		if (typeof Desc === 'undefined') {
-			return Desc;
-		}
-
-		assertRecord(Type$1, 'Property Descriptor', 'Desc', Desc);
-
-		var obj = {};
-		if ('[[Value]]' in Desc) {
-			obj.value = Desc['[[Value]]'];
-		}
-		if ('[[Writable]]' in Desc) {
-			obj.writable = Desc['[[Writable]]'];
-		}
-		if ('[[Get]]' in Desc) {
-			obj.get = Desc['[[Get]]'];
-		}
-		if ('[[Set]]' in Desc) {
-			obj.set = Desc['[[Set]]'];
-		}
-		if ('[[Enumerable]]' in Desc) {
-			obj.enumerable = Desc['[[Enumerable]]'];
-		}
-		if ('[[Configurable]]' in Desc) {
-			obj.configurable = Desc['[[Configurable]]'];
-		}
-		return obj;
-	};
-
-	var $gOPD$1 = GetIntrinsic('%Object.getOwnPropertyDescriptor%');
-	if ($gOPD$1) {
-		try {
-			$gOPD$1([], 'length');
-		} catch (e) {
-			// IE 8 has a broken gOPD
-			$gOPD$1 = null;
-		}
-	}
-
-	var getOwnPropertyDescriptor = $gOPD$1;
-
-	var $Array = GetIntrinsic('%Array%');
-
-	// eslint-disable-next-line global-require
-	var toStr$6 = !$Array.isArray && callBound('Object.prototype.toString');
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-isarray
-
-	var IsArray = $Array.isArray || function IsArray(argument) {
-		return toStr$6(argument) === '[object Array]';
-	};
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-ispropertykey
-
-	var IsPropertyKey = function IsPropertyKey(argument) {
-		return typeof argument === 'string' || typeof argument === 'symbol';
-	};
-
-	var hasSymbols$4 = hasSymbols$1();
-	var hasToStringTag$2 = hasSymbols$4 && typeof Symbol.toStringTag === 'symbol';
-	var regexExec;
-	var isRegexMarker;
-	var badStringifier;
-
-	if (hasToStringTag$2) {
-		regexExec = Function.call.bind(RegExp.prototype.exec);
-		isRegexMarker = {};
-
-		var throwRegexMarker = function () {
-			throw isRegexMarker;
-		};
-		badStringifier = {
-			toString: throwRegexMarker,
-			valueOf: throwRegexMarker
-		};
-
-		if (typeof Symbol.toPrimitive === 'symbol') {
-			badStringifier[Symbol.toPrimitive] = throwRegexMarker;
-		}
-	}
-
-	var toStr$7 = Object.prototype.toString;
-	var regexClass = '[object RegExp]';
-
-	var isRegex = hasToStringTag$2
-		// eslint-disable-next-line consistent-return
-		? function isRegex(value) {
-			if (!value || typeof value !== 'object') {
-				return false;
-			}
-
-			try {
-				regexExec(value, badStringifier);
-			} catch (e) {
-				return e === isRegexMarker;
-			}
-		}
-		: function isRegex(value) {
-			// In older browsers, typeof regex incorrectly returns 'function'
-			if (!value || (typeof value !== 'object' && typeof value !== 'function')) {
-				return false;
-			}
-
-			return toStr$7.call(value) === regexClass;
-		};
-
-	// http://www.ecma-international.org/ecma-262/5.1/#sec-9.2
-
-	var ToBoolean = function ToBoolean(value) { return !!value; };
-
-	var $match = GetIntrinsic('%Symbol.match%', true);
-
-
-
-
-
-	// https://ecma-international.org/ecma-262/6.0/#sec-isregexp
-
-	var IsRegExp = function IsRegExp(argument) {
-		if (!argument || typeof argument !== 'object') {
-			return false;
-		}
-		if ($match) {
-			var isRegExp = argument[$match];
-			if (typeof isRegExp !== 'undefined') {
-				return ToBoolean(isRegExp);
-			}
-		}
-		return isRegex(argument);
-	};
-
-	var $TypeError$4 = GetIntrinsic('%TypeError%');
-
-
-
-
-
-	// https://ecma-international.org/ecma-262/5.1/#sec-8.10.5
-
-	var ToPropertyDescriptor = function ToPropertyDescriptor(Obj) {
-		if (Type$1(Obj) !== 'Object') {
-			throw new $TypeError$4('ToPropertyDescriptor requires an object');
-		}
-
-		var desc = {};
-		if (src(Obj, 'enumerable')) {
-			desc['[[Enumerable]]'] = ToBoolean(Obj.enumerable);
-		}
-		if (src(Obj, 'configurable')) {
-			desc['[[Configurable]]'] = ToBoolean(Obj.configurable);
-		}
-		if (src(Obj, 'value')) {
-			desc['[[Value]]'] = Obj.value;
-		}
-		if (src(Obj, 'writable')) {
-			desc['[[Writable]]'] = ToBoolean(Obj.writable);
-		}
-		if (src(Obj, 'get')) {
-			var getter = Obj.get;
-			if (typeof getter !== 'undefined' && !IsCallable(getter)) {
-				throw new TypeError('getter must be a function');
-			}
-			desc['[[Get]]'] = getter;
-		}
-		if (src(Obj, 'set')) {
-			var setter = Obj.set;
-			if (typeof setter !== 'undefined' && !IsCallable(setter)) {
-				throw new $TypeError$4('setter must be a function');
-			}
-			desc['[[Set]]'] = setter;
-		}
-
-		if ((src(desc, '[[Get]]') || src(desc, '[[Set]]')) && (src(desc, '[[Value]]') || src(desc, '[[Writable]]'))) {
-			throw new $TypeError$4('Invalid property descriptor. Cannot both specify accessors and a value or writable attribute');
-		}
-		return desc;
-	};
-
-	var $TypeError$5 = GetIntrinsic('%TypeError%');
-
-
-
-	var $isEnumerable$1 = callBound('Object.prototype.propertyIsEnumerable');
-
-
-
-
-
-
-
-
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-ordinarygetownproperty
-
-	var OrdinaryGetOwnProperty = function OrdinaryGetOwnProperty(O, P) {
-		if (Type$1(O) !== 'Object') {
-			throw new $TypeError$5('Assertion failed: O must be an Object');
-		}
-		if (!IsPropertyKey(P)) {
-			throw new $TypeError$5('Assertion failed: P must be a Property Key');
-		}
-		if (!src(O, P)) {
-			return void 0;
-		}
-		if (!getOwnPropertyDescriptor) {
-			// ES3 / IE 8 fallback
-			var arrayLength = IsArray(O) && P === 'length';
-			var regexLastIndex = IsRegExp(O) && P === 'lastIndex';
-			return {
-				'[[Configurable]]': !(arrayLength || regexLastIndex),
-				'[[Enumerable]]': $isEnumerable$1(O, P),
-				'[[Value]]': O[P],
-				'[[Writable]]': true
-			};
-		}
-		return ToPropertyDescriptor(getOwnPropertyDescriptor(O, P));
-	};
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-isdatadescriptor
-
-	var IsDataDescriptor = function IsDataDescriptor(Desc) {
-		if (typeof Desc === 'undefined') {
-			return false;
-		}
-
-		assertRecord(Type$1, 'Property Descriptor', 'Desc', Desc);
-
-		if (!src(Desc, '[[Value]]') && !src(Desc, '[[Writable]]')) {
-			return false;
-		}
-
-		return true;
-	};
-
-	var $Object$1 = GetIntrinsic('%Object%');
-
-
-
-	var $preventExtensions = $Object$1.preventExtensions;
-	var $isExtensible = $Object$1.isExtensible;
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-isextensible-o
-
-	var IsExtensible = $preventExtensions
-		? function IsExtensible(obj) {
-			return !isPrimitive(obj) && $isExtensible(obj);
-		}
-		: function IsExtensible(obj) {
-			return !isPrimitive(obj);
-		};
-
-	// http://www.ecma-international.org/ecma-262/5.1/#sec-9.12
-
-	var SameValue = function SameValue(x, y) {
-		if (x === y) { // 0 === -0, but they are not identical.
-			if (x === 0) { return 1 / x === 1 / y; }
-			return true;
-		}
-		return _isNaN(x) && _isNaN(y);
-	};
-
-	var $TypeError$6 = GetIntrinsic('%TypeError%');
-
-
-
-
-
-
-
-
-
-
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-createdataproperty
-
-	var CreateDataProperty = function CreateDataProperty(O, P, V) {
-		if (Type$1(O) !== 'Object') {
-			throw new $TypeError$6('Assertion failed: Type(O) is not Object');
-		}
-		if (!IsPropertyKey(P)) {
-			throw new $TypeError$6('Assertion failed: IsPropertyKey(P) is not true');
-		}
-		var oldDesc = OrdinaryGetOwnProperty(O, P);
-		var extensible = !oldDesc || IsExtensible(O);
-		var immutable = oldDesc && (!oldDesc['[[Writable]]'] || !oldDesc['[[Configurable]]']);
-		if (immutable || !extensible) {
-			return false;
-		}
-		return DefineOwnProperty(
-			IsDataDescriptor,
-			SameValue,
-			FromPropertyDescriptor,
-			O,
-			P,
-			{
-				'[[Configurable]]': true,
-				'[[Enumerable]]': true,
-				'[[Value]]': V,
-				'[[Writable]]': true
-			}
-		);
-	};
-
-	var $TypeError$7 = GetIntrinsic('%TypeError%');
-
-
-
-
-
-	// // https://ecma-international.org/ecma-262/6.0/#sec-createdatapropertyorthrow
-
-	var CreateDataPropertyOrThrow = function CreateDataPropertyOrThrow(O, P, V) {
-		if (Type$1(O) !== 'Object') {
-			throw new $TypeError$7('Assertion failed: Type(O) is not Object');
-		}
-		if (!IsPropertyKey(P)) {
-			throw new $TypeError$7('Assertion failed: IsPropertyKey(P) is not true');
-		}
-		var success = CreateDataProperty(O, P, V);
-		if (!success) {
-			throw new $TypeError$7('unable to create data property');
-		}
-		return success;
-	};
-
-	var hasMap = typeof Map === 'function' && Map.prototype;
-	var mapSizeDescriptor = Object.getOwnPropertyDescriptor && hasMap ? Object.getOwnPropertyDescriptor(Map.prototype, 'size') : null;
-	var mapSize = hasMap && mapSizeDescriptor && typeof mapSizeDescriptor.get === 'function' ? mapSizeDescriptor.get : null;
-	var mapForEach = hasMap && Map.prototype.forEach;
-	var hasSet = typeof Set === 'function' && Set.prototype;
-	var setSizeDescriptor = Object.getOwnPropertyDescriptor && hasSet ? Object.getOwnPropertyDescriptor(Set.prototype, 'size') : null;
-	var setSize = hasSet && setSizeDescriptor && typeof setSizeDescriptor.get === 'function' ? setSizeDescriptor.get : null;
-	var setForEach = hasSet && Set.prototype.forEach;
-	var booleanValueOf = Boolean.prototype.valueOf;
-	var objectToString$1 = Object.prototype.toString;
-
-	var objectInspect = function inspect_ (obj, opts, depth, seen) {
-	    if (typeof obj === 'undefined') {
-	        return 'undefined';
-	    }
-	    if (obj === null) {
-	        return 'null';
-	    }
-	    if (typeof obj === 'boolean') {
-	        return obj ? 'true' : 'false';
-	    }
-	    if (typeof obj === 'string') {
-	        return inspectString(obj);
-	    }
-	    if (typeof obj === 'number') {
-	      if (obj === 0) {
-	        return Infinity / obj > 0 ? '0' : '-0';
-	      }
-	      return String(obj);
-	    }
-
-	    if (!opts) opts = {};
-
-	    var maxDepth = typeof opts.depth === 'undefined' ? 5 : opts.depth;
-	    if (typeof depth === 'undefined') depth = 0;
-	    if (depth >= maxDepth && maxDepth > 0 && typeof obj === 'object') {
-	        return '[Object]';
-	    }
-
-	    if (typeof seen === 'undefined') seen = [];
-	    else if (indexOf$2(seen, obj) >= 0) {
-	        return '[Circular]';
-	    }
-
-	    function inspect (value, from) {
-	        if (from) {
-	            seen = seen.slice();
-	            seen.push(from);
-	        }
-	        return inspect_(value, opts, depth + 1, seen);
-	    }
-
-	    if (typeof obj === 'function') {
-	        var name = nameOf(obj);
-	        return '[Function' + (name ? ': ' + name : '') + ']';
-	    }
-	    if (isSymbol$3(obj)) {
-	        var symString = Symbol.prototype.toString.call(obj);
-	        return typeof obj === 'object' ? markBoxed(symString) : symString;
-	    }
-	    if (isElement(obj)) {
-	        var s = '<' + String(obj.nodeName).toLowerCase();
-	        var attrs = obj.attributes || [];
-	        for (var i = 0; i < attrs.length; i++) {
-	            s += ' ' + attrs[i].name + '="' + quote(attrs[i].value) + '"';
-	        }
-	        s += '>';
-	        if (obj.childNodes && obj.childNodes.length) s += '...';
-	        s += '</' + String(obj.nodeName).toLowerCase() + '>';
-	        return s;
-	    }
-	    if (isArray$3(obj)) {
-	        if (obj.length === 0) return '[]';
-	        return '[ ' + arrObjKeys(obj, inspect).join(', ') + ' ]';
-	    }
-	    if (isError(obj)) {
-	        var parts = arrObjKeys(obj, inspect);
-	        if (parts.length === 0) return '[' + String(obj) + ']';
-	        return '{ [' + String(obj) + '] ' + parts.join(', ') + ' }';
-	    }
-	    if (typeof obj === 'object' && typeof obj.inspect === 'function') {
-	        return obj.inspect();
-	    }
-	    if (isMap(obj)) {
-	        var parts = [];
-	        mapForEach.call(obj, function (value, key) {
-	            parts.push(inspect(key, obj) + ' => ' + inspect(value, obj));
-	        });
-	        return collectionOf('Map', mapSize.call(obj), parts);
-	    }
-	    if (isSet(obj)) {
-	        var parts = [];
-	        setForEach.call(obj, function (value ) {
-	            parts.push(inspect(value, obj));
-	        });
-	        return collectionOf('Set', setSize.call(obj), parts);
-	    }
-	    if (isNumber(obj)) {
-	        return markBoxed(Number(obj));
-	    }
-	    if (isBoolean(obj)) {
-	        return markBoxed(booleanValueOf.call(obj));
-	    }
-	    if (isString$1(obj)) {
-	        return markBoxed(inspect(String(obj)));
-	    }
-	    if (!isDate(obj) && !isRegExp(obj)) {
-	        var xs = arrObjKeys(obj, inspect);
-	        if (xs.length === 0) return '{}';
-	        return '{ ' + xs.join(', ') + ' }';
-	    }
-	    return String(obj);
-	};
-
-	function quote (s) {
-	    return String(s).replace(/"/g, '&quot;');
-	}
-
-	function isArray$3 (obj) { return toStr$8(obj) === '[object Array]' }
-	function isDate (obj) { return toStr$8(obj) === '[object Date]' }
-	function isRegExp (obj) { return toStr$8(obj) === '[object RegExp]' }
-	function isError (obj) { return toStr$8(obj) === '[object Error]' }
-	function isSymbol$3 (obj) { return toStr$8(obj) === '[object Symbol]' }
-	function isString$1 (obj) { return toStr$8(obj) === '[object String]' }
-	function isNumber (obj) { return toStr$8(obj) === '[object Number]' }
-	function isBoolean (obj) { return toStr$8(obj) === '[object Boolean]' }
-
-	var hasOwn = Object.prototype.hasOwnProperty || function (key) { return key in this; };
-	function has$1 (obj, key) {
-	    return hasOwn.call(obj, key);
-	}
-
-	function toStr$8 (obj) {
-	    return objectToString$1.call(obj);
-	}
-
-	function nameOf (f) {
-	    if (f.name) return f.name;
-	    var m = String(f).match(/^function\s*([\w$]+)/);
-	    if (m) return m[1];
-	}
-
-	function indexOf$2 (xs, x) {
-	    if (xs.indexOf) return xs.indexOf(x);
-	    for (var i = 0, l = xs.length; i < l; i++) {
-	        if (xs[i] === x) return i;
-	    }
-	    return -1;
-	}
-
-	function isMap (x) {
-	    if (!mapSize) {
-	        return false;
-	    }
-	    try {
-	        mapSize.call(x);
-	        try {
-	            setSize.call(x);
-	        } catch (s) {
-	            return true;
-	        }
-	        return x instanceof Map; // core-js workaround, pre-v2.5.0
-	    } catch (e) {}
-	    return false;
-	}
-
-	function isSet (x) {
-	    if (!setSize) {
-	        return false;
-	    }
-	    try {
-	        setSize.call(x);
-	        try {
-	            mapSize.call(x);
-	        } catch (m) {
-	            return true;
-	        }
-	        return x instanceof Set; // core-js workaround, pre-v2.5.0
-	    } catch (e) {}
-	    return false;
-	}
-
-	function isElement (x) {
-	    if (!x || typeof x !== 'object') return false;
-	    if (typeof HTMLElement !== 'undefined' && x instanceof HTMLElement) {
-	        return true;
-	    }
-	    return typeof x.nodeName === 'string'
-	        && typeof x.getAttribute === 'function'
-	    ;
-	}
-
-	function inspectString (str) {
-	    var s = str.replace(/(['\\])/g, '\\$1').replace(/[\x00-\x1f]/g, lowbyte);
-	    return "'" + s + "'";
-	}
-
-	function lowbyte (c) {
-	    var n = c.charCodeAt(0);
-	    var x = { 8: 'b', 9: 't', 10: 'n', 12: 'f', 13: 'r' }[n];
-	    if (x) return '\\' + x;
-	    return '\\x' + (n < 0x10 ? '0' : '') + n.toString(16);
-	}
-
-	function markBoxed (str) {
-	    return 'Object(' + str + ')';
-	}
-
-	function collectionOf (type, size, entries) {
-	    return type + ' (' + size + ') {' + entries.join(', ') + '}';
-	}
-
-	function arrObjKeys (obj, inspect) {
-	    var isArr = isArray$3(obj);
-	    var xs = [];
-	    if (isArr) {
-	        xs.length = obj.length;
-	        for (var i = 0; i < obj.length; i++) {
-	            xs[i] = has$1(obj, i) ? inspect(obj[i], obj) : '';
-	        }
-	    }
-	    for (var key in obj) {
-	        if (!has$1(obj, key)) continue;
-	        if (isArr && String(Number(key)) === key && key < obj.length) continue;
-	        if (/[^\w$]/.test(key)) {
-	            xs.push(inspect(key, obj) + ': ' + inspect(obj[key], obj));
-	        } else {
-	            xs.push(key + ': ' + inspect(obj[key], obj));
-	        }
-	    }
-	    return xs;
-	}
-
-	var $TypeError$8 = GetIntrinsic('%TypeError%');
-
-
-
-
-
-
-	/**
-	 * 7.3.1 Get (O, P) - https://ecma-international.org/ecma-262/6.0/#sec-get-o-p
-	 * 1. Assert: Type(O) is Object.
-	 * 2. Assert: IsPropertyKey(P) is true.
-	 * 3. Return O.[[Get]](P, O).
-	 */
-
-	var Get = function Get(O, P) {
-		// 7.3.1.1
-		if (Type$1(O) !== 'Object') {
-			throw new $TypeError$8('Assertion failed: Type(O) is not Object');
-		}
-		// 7.3.1.2
-		if (!IsPropertyKey(P)) {
-			throw new $TypeError$8('Assertion failed: IsPropertyKey(P) is not true, got ' + objectInspect(P));
-		}
-		// 7.3.1.3
-		return O[P];
-	};
-
-	var $TypeError$9 = GetIntrinsic('%TypeError%');
-
-	var isPropertyDescriptor = function IsPropertyDescriptor(ES, Desc) {
-		if (ES.Type(Desc) !== 'Object') {
-			return false;
-		}
-		var allowed = {
-			'[[Configurable]]': true,
-			'[[Enumerable]]': true,
-			'[[Get]]': true,
-			'[[Set]]': true,
-			'[[Value]]': true,
-			'[[Writable]]': true
-		};
-
-		for (var key in Desc) { // eslint-disable-line no-restricted-syntax
-			if (src(Desc, key) && !allowed[key]) {
-				return false;
-			}
-		}
-
-		if (ES.IsDataDescriptor(Desc) && ES.IsAccessorDescriptor(Desc)) {
-			throw new $TypeError$9('Property Descriptors may not be both accessor and data descriptors');
-		}
-		return true;
-	};
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-isaccessordescriptor
-
-	var IsAccessorDescriptor = function IsAccessorDescriptor(Desc) {
-		if (typeof Desc === 'undefined') {
-			return false;
-		}
-
-		assertRecord(Type$1, 'Property Descriptor', 'Desc', Desc);
-
-		if (!src(Desc, '[[Get]]') && !src(Desc, '[[Set]]')) {
-			return false;
-		}
-
-		return true;
-	};
-
-	var $TypeError$a = GetIntrinsic('%TypeError%');
-
-
-
-
-
-
-
-
-
-
-
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-definepropertyorthrow
-
-	var DefinePropertyOrThrow = function DefinePropertyOrThrow(O, P, desc) {
-		if (Type$1(O) !== 'Object') {
-			throw new $TypeError$a('Assertion failed: Type(O) is not Object');
-		}
-
-		if (!IsPropertyKey(P)) {
-			throw new $TypeError$a('Assertion failed: IsPropertyKey(P) is not true');
-		}
-
-		var Desc = isPropertyDescriptor({
-			Type: Type$1,
-			IsDataDescriptor: IsDataDescriptor,
-			IsAccessorDescriptor: IsAccessorDescriptor
-		}, desc) ? desc : ToPropertyDescriptor(desc);
-		if (!isPropertyDescriptor({
-			Type: Type$1,
-			IsDataDescriptor: IsDataDescriptor,
-			IsAccessorDescriptor: IsAccessorDescriptor
-		}, Desc)) {
-			throw new $TypeError$a('Assertion failed: Desc is not a valid Property Descriptor');
-		}
-
-		return DefineOwnProperty(
-			IsDataDescriptor,
-			SameValue,
-			FromPropertyDescriptor,
-			O,
-			P,
-			Desc
-		);
-	};
-
-	var IsConstructor = createCommonjsModule(function (module) {
-
-
-
-	var $construct = GetIntrinsic('%Reflect.construct%', true);
-
-	var DefinePropertyOrThrow$1 = DefinePropertyOrThrow;
-	try {
-		DefinePropertyOrThrow$1({}, '', { '[[Get]]': function () {} });
-	} catch (e) {
-		// Accessor properties aren't supported
-		DefinePropertyOrThrow$1 = null;
-	}
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-isconstructor
-
-	if (DefinePropertyOrThrow$1 && $construct) {
-		var isConstructorMarker = {};
-		var badArrayLike = {};
-		DefinePropertyOrThrow$1(badArrayLike, 'length', {
-			'[[Get]]': function () {
-				throw isConstructorMarker;
-			},
-			'[[Enumerable]]': true
-		});
-
-		module.exports = function IsConstructor(argument) {
-			try {
-				// `Reflect.construct` invokes `IsConstructor(target)` before `Get(args, 'length')`:
-				$construct(argument, badArrayLike);
-			} catch (err) {
-				return err === isConstructorMarker;
-			}
-		};
-	} else {
-		module.exports = function IsConstructor(argument) {
-			// unfortunately there's no way to truly check this without try/catch `new argument` in old environments
-			return typeof argument === 'function' && !!argument.prototype;
-		};
-	}
-	});
-
-	var $String = GetIntrinsic('%String%');
-	var $TypeError$b = GetIntrinsic('%TypeError%');
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-tostring
-
-	var ToString = function ToString(argument) {
-		if (typeof argument === 'symbol') {
-			throw new $TypeError$b('Cannot convert a Symbol value to a string');
-		}
-		return $String(argument);
-	};
-
-	var hasToStringTag$3 = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
-	var toStr$9 = Object.prototype.toString;
-
-	var isStandardArguments = function isArguments(value) {
-		if (hasToStringTag$3 && value && typeof value === 'object' && Symbol.toStringTag in value) {
-			return false;
-		}
-		return toStr$9.call(value) === '[object Arguments]';
-	};
-
-	var isLegacyArguments = function isArguments(value) {
-		if (isStandardArguments(value)) {
-			return true;
-		}
-		return value !== null &&
-			typeof value === 'object' &&
-			typeof value.length === 'number' &&
-			value.length >= 0 &&
-			toStr$9.call(value) !== '[object Array]' &&
-			toStr$9.call(value.callee) === '[object Function]';
-	};
-
-	var supportsStandardArguments = (function () {
-		return isStandardArguments(arguments);
-	}());
-
-	isStandardArguments.isLegacyArguments = isLegacyArguments; // for tests
-
-	var isArguments$2 = supportsStandardArguments ? isStandardArguments : isLegacyArguments;
-
-	var toString = {}.toString;
-
-	var isarray = Array.isArray || function (arr) {
-	  return toString.call(arr) == '[object Array]';
-	};
-
-	var strValue = String.prototype.valueOf;
-	var tryStringObject = function tryStringObject(value) {
-		try {
-			strValue.call(value);
-			return true;
-		} catch (e) {
-			return false;
-		}
-	};
-	var toStr$a = Object.prototype.toString;
-	var strClass = '[object String]';
-	var hasToStringTag$4 = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
-
-	var isString$2 = function isString(value) {
-		if (typeof value === 'string') {
-			return true;
-		}
-		if (typeof value !== 'object') {
-			return false;
-		}
-		return hasToStringTag$4 ? tryStringObject(value) : toStr$a.call(value) === strClass;
-	};
-
-	var $Map = typeof Map === 'function' && Map.prototype ? Map : null;
-	var $Set = typeof Set === 'function' && Set.prototype ? Set : null;
-
-	var exported;
-
-	if (!$Map) {
-		// eslint-disable-next-line no-unused-vars
-		exported = function isMap(x) {
-			// `Map` is not present in this environment.
-			return false;
-		};
-	}
-
-	var $mapHas = $Map ? Map.prototype.has : null;
-	var $setHas = $Set ? Set.prototype.has : null;
-	if (!exported && !$mapHas) {
-		// eslint-disable-next-line no-unused-vars
-		exported = function isMap(x) {
-			// `Map` does not have a `has` method
-			return false;
-		};
-	}
-
-	var isMap$1 = exported || function isMap(x) {
-		if (!x || typeof x !== 'object') {
-			return false;
-		}
-		try {
-			$mapHas.call(x);
-			if ($setHas) {
-				try {
-					$setHas.call(x);
-				} catch (e) {
-					return true;
-				}
-			}
-			return x instanceof $Map; // core-js workaround, pre-v2.5.0
-		} catch (e) {}
-		return false;
-	};
-
-	var $Map$1 = typeof Map === 'function' && Map.prototype ? Map : null;
-	var $Set$1 = typeof Set === 'function' && Set.prototype ? Set : null;
-
-	var exported$1;
-
-	if (!$Set$1) {
-		// eslint-disable-next-line no-unused-vars
-		exported$1 = function isSet(x) {
-			// `Set` is not present in this environment.
-			return false;
-		};
-	}
-
-	var $mapHas$1 = $Map$1 ? Map.prototype.has : null;
-	var $setHas$1 = $Set$1 ? Set.prototype.has : null;
-	if (!exported$1 && !$setHas$1) {
-		// eslint-disable-next-line no-unused-vars
-		exported$1 = function isSet(x) {
-			// `Set` does not have a `has` method
-			return false;
-		};
-	}
-
-	var isSet$1 = exported$1 || function isSet(x) {
-		if (!x || typeof x !== 'object') {
-			return false;
-		}
-		try {
-			$setHas$1.call(x);
-			if ($mapHas$1) {
-				try {
-					$mapHas$1.call(x);
-				} catch (e) {
-					return true;
-				}
-			}
-			return x instanceof $Set$1; // core-js workaround, pre-v2.5.0
-		} catch (e) {}
-		return false;
-	};
-
-	var esGetIterator = createCommonjsModule(function (module) {
-
-	/* eslint global-require: 0 */
-	// the code is structured this way so that bundlers can
-	// alias out `has-symbols` to `() => true` or `() => false` if your target
-	// environments' Symbol capabilities are known, and then use
-	// dead code elimination on the rest of this module.
-	//
-	// Similarly, `isarray` can be aliased to `Array.isArray` if
-	// available in all target environments.
-
-
-
-	if (hasSymbols$1() || shams()) {
-		var $iterator = Symbol.iterator;
-		// Symbol is available natively or shammed
-		// natively:
-		//  - Chrome >= 38
-		//  - Edge 12-14?, Edge >= 15 for sure
-		//  - FF >= 36
-		//  - Safari >= 9
-		//  - node >= 0.12
-		module.exports = function getIterator(iterable) {
-			// alternatively, `iterable[$iterator]?.()`
-			if (iterable != null && typeof iterable[$iterator] !== 'undefined') {
-				return iterable[$iterator]();
-			}
-			if (isArguments$2(iterable)) {
-				// arguments objects lack Symbol.iterator
-				// - node 0.12
-				return Array.prototype[$iterator].call(iterable);
-			}
-		};
-	} else {
-		// Symbol is not available, native or shammed
-		var isArray = isarray;
-		var isString = isString$2;
-		var GetIntrinsic$1 = GetIntrinsic;
-		var $Map = GetIntrinsic$1('%Map%', true);
-		var $Set = GetIntrinsic$1('%Set%', true);
-		var callBound$1 = callBound;
-		var $arrayPush = callBound$1('Array.prototype.push');
-		var $charCodeAt = callBound$1('String.prototype.charCodeAt');
-		var $stringSlice = callBound$1('String.prototype.slice');
-
-		var advanceStringIndex = function advanceStringIndex(S, index) {
-			var length = S.length;
-			if ((index + 1) >= length) {
-				return index + 1;
-			}
-
-			var first = $charCodeAt(S, index);
-			if (first < 0xD800 || first > 0xDBFF) {
-				return index + 1;
-			}
-
-			var second = $charCodeAt(S, index + 1);
-			if (second < 0xDC00 || second > 0xDFFF) {
-				return index + 1;
-			}
-
-			return index + 2;
-		};
-
-		var getArrayIterator = function getArrayIterator(arraylike) {
-			var i = 0;
-			return {
-				next: function next() {
-					var done = i >= arraylike.length;
-					var value;
-					if (!done) {
-						value = arraylike[i];
-						i += 1;
-					}
-					return {
-						done: done,
-						value: value
-					};
-				}
-			};
-		};
-
-		var getNonCollectionIterator = function getNonCollectionIterator(iterable) {
-			if (isArray(iterable) || isArguments$2(iterable)) {
-				return getArrayIterator(iterable);
-			}
-			if (isString(iterable)) {
-				var i = 0;
-				return {
-					next: function next() {
-						var nextIndex = advanceStringIndex(iterable, i);
-						var value = $stringSlice(iterable, i, nextIndex);
-						i = nextIndex;
-						return {
-							done: nextIndex > iterable.length,
-							value: value
-						};
-					}
-				};
-			}
-		};
-
-		if (!$Map && !$Set) {
-			// the only language iterables are Array, String, arguments
-			// - Safari <= 6.0
-			// - Chrome < 38
-			// - node < 0.12
-			// - FF < 13
-			// - IE < 11
-			// - Edge < 11
-
-			module.exports = getNonCollectionIterator;
-		} else {
-			// either Map or Set are available, but Symbol is not
-			// - es6-shim on an ES5 browser
-			// - Safari 6.2 (maybe 6.1?)
-			// - FF v[13, 36)
-			// - IE 11
-			// - Edge 11
-			// - Safari v[6, 9)
-
-			var isMap = isMap$1;
-			var isSet = isSet$1;
-
-			// Firefox >= 27, IE 11, Safari 6.2 - 9, Edge 11, es6-shim in older envs, all have forEach
-			var $mapForEach = callBound$1('Map.prototype.forEach', true);
-			var $setForEach = callBound$1('Set.prototype.forEach', true);
-			if (typeof process === 'undefined' || !process.versions || !process.versions.node) { // "if is not node"
-
-				// Firefox 17 - 26 has `.iterator()`, whose iterator `.next()` either
-				// returns a value, or throws a StopIteration object. These browsers
-				// do not have any other mechanism for iteration.
-				var $mapIterator = callBound$1('Map.prototype.iterator', true);
-				var $setIterator = callBound$1('Set.prototype.iterator', true);
-				var getStopIterationIterator = function (iterator) {
-					var done = false;
-					return {
-						next: function next() {
-							try {
-								return {
-									done: done,
-									value: done ? undefined : iterator.next()
-								};
-							} catch (e) {
-								done = true;
-								return {
-									done: true,
-									value: undefined
-								};
-							}
-						}
-					};
-				};
-			}
-			// Firefox 27-35, and some older es6-shim versions, use a string "@@iterator" property
-			// this returns a proper iterator object, so we should use it instead of forEach.
-			// newer es6-shim versions use a string "_es6-shim iterator_" property.
-			var $mapAtAtIterator = callBound$1('Map.prototype.@@iterator', true) || callBound$1('Map.prototype._es6-shim iterator_', true);
-			var $setAtAtIterator = callBound$1('Set.prototype.@@iterator', true) || callBound$1('Set.prototype._es6-shim iterator_', true);
-
-			var getCollectionIterator = function getCollectionIterator(iterable) {
-				if (isMap(iterable)) {
-					if ($mapIterator) {
-						return getStopIterationIterator($mapIterator(iterable));
-					}
-					if ($mapAtAtIterator) {
-						return $mapAtAtIterator(iterable);
-					}
-					if ($mapForEach) {
-						var entries = [];
-						$mapForEach(iterable, function (v, k) {
-							$arrayPush(entries, [k, v]);
-						});
-						return getArrayIterator(entries);
-					}
-				}
-				if (isSet(iterable)) {
-					if ($setIterator) {
-						return getStopIterationIterator($setIterator(iterable));
-					}
-					if ($setAtAtIterator) {
-						return $setAtAtIterator(iterable);
-					}
-					if ($setForEach) {
-						var values = [];
-						$setForEach(iterable, function (v) {
-							$arrayPush(values, v);
-						});
-						return getArrayIterator(values);
-					}
-				}
-			};
-
-			module.exports = function getIterator(iterable) {
-				return getCollectionIterator(iterable) || getNonCollectionIterator(iterable);
-			};
-		}
-	}
-	});
-
-	var $TypeError$c = TypeError;
-
-	// eslint-disable-next-line consistent-return
-	var iterateIterator = function iterateIterator(iterator) {
-		if (!iterator || typeof iterator.next !== 'function') {
-			throw new $TypeError$c('iterator must be an object with a `next` method');
-		}
-		if (arguments.length > 1) {
-			var callback = arguments[1];
-			if (typeof callback !== 'function') {
-				throw new $TypeError$c('`callback`, if provided, must be a function');
-			}
-		}
-		var values = callback || [];
-		var result;
-		while ((result = iterator.next()) && !result.done) {
-			if (callback) {
-				callback(result.value); // eslint-disable-line callback-return
-			} else {
-				values.push(result.value);
-			}
-		}
-		if (!callback) {
-			return values;
-		}
-	};
-
-	var $TypeError$d = TypeError;
-
-
-	var iterateValue = function iterateValue(iterable) {
-		var iterator = esGetIterator(iterable);
-		if (!iterator) {
-			throw new $TypeError$d('non-iterable value provided');
-		}
-		if (arguments.length > 1) {
-			return iterateIterator(iterator, arguments[1]);
-		}
-		return iterateIterator(iterator);
-	};
-
-	var implementation$5 = function from(items) {
-		var C = this;
-		if (items === null || typeof items === 'undefined') {
-			throw new TypeError('`Array.from` requires an array-like object, not `null` or `undefined`');
-		}
-		var mapFn, T;
-		if (typeof arguments[1] !== 'undefined') {
-			mapFn = arguments[1];
-			if (!IsCallable(mapFn)) {
-				throw new TypeError('When provided, the second argument to `Array.from` must be a function');
-			}
-			if (arguments.length > 2) {
-				T = arguments[2];
-			}
-		}
-
-		var values;
-		try {
-			values = iterateValue(items);
-		} catch (e) {
-			values = items;
-		}
-
-		var arrayLike = ToObject(values);
-		var len = ToLength(arrayLike.length);
-		var A = IsConstructor(C) ? ToObject(new C(len)) : new Array(len);
-		var k = 0;
-		var kValue, mappedValue;
-
-		while (k < len) {
-			var Pk = ToString(k);
-			kValue = Get(arrayLike, Pk);
-			if (mapFn) {
-				mappedValue = typeof T === 'undefined' ? mapFn(kValue, k) : Call(mapFn, T, [kValue, k]);
-			} else {
-				mappedValue = kValue;
-			}
-			CreateDataPropertyOrThrow(A, Pk, mappedValue);
-			k += 1;
-		}
-		A.length = len;
-		return A;
-	};
-
-	var tryCall = function (fn) {
-		try {
-			return fn();
-		} catch (e) {
-			return false;
-		}
-	};
-
-	var polyfill$8 = function getPolyfill() {
-		if (IsCallable(Array.from)) {
-			var handlesUndefMapper = tryCall(function () {
-				// Microsoft Edge v0.11 throws if the mapFn argument is *provided* but undefined,
-				// but the spec doesn't care if it's provided or not - undefined doesn't throw.
-				return Array.from([0], undefined);
-			});
-			if (!handlesUndefMapper) {
-				var origArrayFrom = Array.from;
-				return function from(items) {
-					/* eslint no-invalid-this: 0 */
-					if (arguments.length > 1 && typeof arguments[1] !== 'undefined') {
-						return Call(origArrayFrom, this, arguments);
-					} else {
-						return Call(origArrayFrom, this, [items]);
-					}
-				};
-			}
-			var implemented = tryCall(function () {
-				// Detects a Firefox bug in v32
-				// https://bugzilla.mozilla.org/show_bug.cgi?id=1063993
-				return Array.from({ 'length': -1 }) === 0;
-			})
-			&& tryCall(function () {
-				// Detects a bug in Webkit nightly r181886
-				var arr = Array.from([0].entries());
-				return arr.length === 1 && IsArray(arr[0]) && arr[0][0] === 0 && arr[0][1] === 0;
-			})
-			&& tryCall(function () {
-				return Array.from({ 'length': -Infinity });
-			});
-			if (implemented) {
-				return Array.from;
-			}
-		}
-
-		return implementation$5;
-	};
-
-	var shim$a = function shimArrayFrom() {
-		var polyfill = polyfill$8();
-
-		defineProperties_1(Array, { 'from': polyfill }, {
-			'from': function () {
-				return Array.from !== polyfill;
-			}
-		});
-
-		return polyfill;
-	};
-
-	var polyfill$9 = polyfill$8();
-
-	// eslint-disable-next-line no-unused-vars
-	var boundFromShim = function from(items) {
-		// eslint-disable-next-line no-invalid-this
-		return polyfill$9.apply(this || Array, arguments);
-	};
-
-	defineProperties_1(boundFromShim, {
-		'getPolyfill': polyfill$8,
-		'implementation': implementation$5,
-		'shim': shim$a
-	});
-
-	var array_from = boundFromShim;
-
-	var $isEnumerable$2 = callBound('Object.prototype.propertyIsEnumerable');
-
-	var implementation$6 = function values(O) {
-		var obj = RequireObjectCoercible(O);
-		var vals = [];
-		for (var key in obj) {
-			if (src(obj, key) && $isEnumerable$2(obj, key)) {
-				vals.push(obj[key]);
-			}
-		}
-		return vals;
-	};
-
-	var polyfill$a = function getPolyfill() {
-		return typeof Object.values === 'function' ? Object.values : implementation$6;
-	};
-
-	var shim$b = function shimValues() {
-		var polyfill = polyfill$a();
-		defineProperties_1(Object, { values: polyfill }, {
-			values: function testValues() {
-				return Object.values !== polyfill;
-			}
-		});
-		return polyfill;
-	};
-
-	var polyfill$b = polyfill$a();
-
-	defineProperties_1(polyfill$b, {
-		getPolyfill: polyfill$a,
-		implementation: implementation$6,
-		shim: shim$b
-	});
-
-	var object_values = polyfill$b;
-
-	// modified from https://github.com/es-shims/es6-shim
-
-
-	var canBeObject = function (obj) {
-		return typeof obj !== 'undefined' && obj !== null;
-	};
-	var hasSymbols$5 = shams();
-	var toObject = Object;
-	var push = functionBind.call(Function.call, Array.prototype.push);
-	var propIsEnumerable = functionBind.call(Function.call, Object.prototype.propertyIsEnumerable);
-	var originalGetSymbols = hasSymbols$5 ? Object.getOwnPropertySymbols : null;
-
-	var implementation$7 = function assign(target, source1) {
-		if (!canBeObject(target)) { throw new TypeError('target must be an object'); }
-		var objTarget = toObject(target);
-		var s, source, i, props, syms, value, key;
-		for (s = 1; s < arguments.length; ++s) {
-			source = toObject(arguments[s]);
-			props = objectKeys(source);
-			var getSymbols = hasSymbols$5 && (Object.getOwnPropertySymbols || originalGetSymbols);
-			if (getSymbols) {
-				syms = getSymbols(source);
-				for (i = 0; i < syms.length; ++i) {
-					key = syms[i];
-					if (propIsEnumerable(source, key)) {
-						push(props, key);
-					}
-				}
-			}
-			for (i = 0; i < props.length; ++i) {
-				key = props[i];
-				value = source[key];
-				if (propIsEnumerable(source, key)) {
-					objTarget[key] = value;
-				}
-			}
-		}
-		return objTarget;
-	};
-
-	var lacksProperEnumerationOrder = function () {
-		if (!Object.assign) {
-			return false;
-		}
-		// v8, specifically in node 4.x, has a bug with incorrect property enumeration order
-		// note: this does not detect the bug unless there's 20 characters
-		var str = 'abcdefghijklmnopqrst';
-		var letters = str.split('');
-		var map = {};
-		for (var i = 0; i < letters.length; ++i) {
-			map[letters[i]] = letters[i];
-		}
-		var obj = Object.assign({}, map);
-		var actual = '';
-		for (var k in obj) {
-			actual += k;
-		}
-		return str !== actual;
-	};
-
-	var assignHasPendingExceptions = function () {
-		if (!Object.assign || !Object.preventExtensions) {
-			return false;
-		}
-		// Firefox 37 still has "pending exception" logic in its Object.assign implementation,
-		// which is 72% slower than our shim, and Firefox 40's native implementation.
-		var thrower = Object.preventExtensions({ 1: 2 });
-		try {
-			Object.assign(thrower, 'xy');
-		} catch (e) {
-			return thrower[1] === 'y';
-		}
-		return false;
-	};
-
-	var polyfill$c = function getPolyfill() {
-		if (!Object.assign) {
-			return implementation$7;
-		}
-		if (lacksProperEnumerationOrder()) {
-			return implementation$7;
-		}
-		if (assignHasPendingExceptions()) {
-			return implementation$7;
-		}
-		return Object.assign;
-	};
-
-	var shim$c = function shimAssign() {
-		var polyfill = polyfill$c();
-		defineProperties_1(
-			Object,
-			{ assign: polyfill },
-			{ assign: function () { return Object.assign !== polyfill; } }
-		);
-		return polyfill;
-	};
-
-	var polyfill$d = polyfill$c();
-
-	defineProperties_1(polyfill$d, {
-		getPolyfill: polyfill$c,
-		implementation: implementation$7,
-		shim: shim$c
-	});
-
-	var object_assign = polyfill$d;
-
-	/**
-	 * @this {Promise}
-	 */
-	function finallyConstructor(callback) {
-	  var constructor = this.constructor;
-	  return this.then(
-	    function(value) {
-	      // @ts-ignore
-	      return constructor.resolve(callback()).then(function() {
-	        return value;
-	      });
-	    },
-	    function(reason) {
-	      // @ts-ignore
-	      return constructor.resolve(callback()).then(function() {
-	        // @ts-ignore
-	        return constructor.reject(reason);
-	      });
-	    }
-	  );
-	}
-
-	// Store setTimeout reference so promise-polyfill will be unaffected by
-	// other code modifying setTimeout (like sinon.useFakeTimers())
-	var setTimeoutFunc = setTimeout;
-
-	function isArray$4(x) {
-	  return Boolean(x && typeof x.length !== 'undefined');
-	}
-
-	function noop$1() {}
-
-	// Polyfill for Function.prototype.bind
-	function bind$2(fn, thisArg) {
-	  return function() {
-	    fn.apply(thisArg, arguments);
-	  };
-	}
-
-	/**
-	 * @constructor
-	 * @param {Function} fn
-	 */
-	function Promise$1(fn) {
-	  if (!(this instanceof Promise$1))
-	    throw new TypeError('Promises must be constructed via new');
-	  if (typeof fn !== 'function') throw new TypeError('not a function');
-	  /** @type {!number} */
-	  this._state = 0;
-	  /** @type {!boolean} */
-	  this._handled = false;
-	  /** @type {Promise|undefined} */
-	  this._value = undefined;
-	  /** @type {!Array<!Function>} */
-	  this._deferreds = [];
-
-	  doResolve(fn, this);
-	}
-
-	function handle(self, deferred) {
-	  while (self._state === 3) {
-	    self = self._value;
-	  }
-	  if (self._state === 0) {
-	    self._deferreds.push(deferred);
-	    return;
-	  }
-	  self._handled = true;
-	  Promise$1._immediateFn(function() {
-	    var cb = self._state === 1 ? deferred.onFulfilled : deferred.onRejected;
-	    if (cb === null) {
-	      (self._state === 1 ? resolve : reject)(deferred.promise, self._value);
-	      return;
-	    }
-	    var ret;
-	    try {
-	      ret = cb(self._value);
-	    } catch (e) {
-	      reject(deferred.promise, e);
-	      return;
-	    }
-	    resolve(deferred.promise, ret);
-	  });
-	}
-
-	function resolve(self, newValue) {
-	  try {
-	    // Promise Resolution Procedure: https://github.com/promises-aplus/promises-spec#the-promise-resolution-procedure
-	    if (newValue === self)
-	      throw new TypeError('A promise cannot be resolved with itself.');
-	    if (
-	      newValue &&
-	      (typeof newValue === 'object' || typeof newValue === 'function')
-	    ) {
-	      var then = newValue.then;
-	      if (newValue instanceof Promise$1) {
-	        self._state = 3;
-	        self._value = newValue;
-	        finale(self);
-	        return;
-	      } else if (typeof then === 'function') {
-	        doResolve(bind$2(then, newValue), self);
-	        return;
-	      }
-	    }
-	    self._state = 1;
-	    self._value = newValue;
-	    finale(self);
-	  } catch (e) {
-	    reject(self, e);
-	  }
-	}
-
-	function reject(self, newValue) {
-	  self._state = 2;
-	  self._value = newValue;
-	  finale(self);
-	}
-
-	function finale(self) {
-	  if (self._state === 2 && self._deferreds.length === 0) {
-	    Promise$1._immediateFn(function() {
-	      if (!self._handled) {
-	        Promise$1._unhandledRejectionFn(self._value);
-	      }
-	    });
-	  }
-
-	  for (var i = 0, len = self._deferreds.length; i < len; i++) {
-	    handle(self, self._deferreds[i]);
-	  }
-	  self._deferreds = null;
-	}
-
-	/**
-	 * @constructor
-	 */
-	function Handler(onFulfilled, onRejected, promise) {
-	  this.onFulfilled = typeof onFulfilled === 'function' ? onFulfilled : null;
-	  this.onRejected = typeof onRejected === 'function' ? onRejected : null;
-	  this.promise = promise;
-	}
-
-	/**
-	 * Take a potentially misbehaving resolver function and make sure
-	 * onFulfilled and onRejected are only called once.
-	 *
-	 * Makes no guarantees about asynchrony.
-	 */
-	function doResolve(fn, self) {
-	  var done = false;
-	  try {
-	    fn(
-	      function(value) {
-	        if (done) return;
-	        done = true;
-	        resolve(self, value);
-	      },
-	      function(reason) {
-	        if (done) return;
-	        done = true;
-	        reject(self, reason);
-	      }
-	    );
-	  } catch (ex) {
-	    if (done) return;
-	    done = true;
-	    reject(self, ex);
-	  }
-	}
-
-	Promise$1.prototype['catch'] = function(onRejected) {
-	  return this.then(null, onRejected);
-	};
-
-	Promise$1.prototype.then = function(onFulfilled, onRejected) {
-	  // @ts-ignore
-	  var prom = new this.constructor(noop$1);
-
-	  handle(this, new Handler(onFulfilled, onRejected, prom));
-	  return prom;
-	};
-
-	Promise$1.prototype['finally'] = finallyConstructor;
-
-	Promise$1.all = function(arr) {
-	  return new Promise$1(function(resolve, reject) {
-	    if (!isArray$4(arr)) {
-	      return reject(new TypeError('Promise.all accepts an array'));
-	    }
-
-	    var args = Array.prototype.slice.call(arr);
-	    if (args.length === 0) return resolve([]);
-	    var remaining = args.length;
-
-	    function res(i, val) {
-	      try {
-	        if (val && (typeof val === 'object' || typeof val === 'function')) {
-	          var then = val.then;
-	          if (typeof then === 'function') {
-	            then.call(
-	              val,
-	              function(val) {
-	                res(i, val);
-	              },
-	              reject
-	            );
-	            return;
-	          }
-	        }
-	        args[i] = val;
-	        if (--remaining === 0) {
-	          resolve(args);
-	        }
-	      } catch (ex) {
-	        reject(ex);
-	      }
-	    }
-
-	    for (var i = 0; i < args.length; i++) {
-	      res(i, args[i]);
-	    }
-	  });
-	};
-
-	Promise$1.resolve = function(value) {
-	  if (value && typeof value === 'object' && value.constructor === Promise$1) {
-	    return value;
-	  }
-
-	  return new Promise$1(function(resolve) {
-	    resolve(value);
-	  });
-	};
-
-	Promise$1.reject = function(value) {
-	  return new Promise$1(function(resolve, reject) {
-	    reject(value);
-	  });
-	};
-
-	Promise$1.race = function(arr) {
-	  return new Promise$1(function(resolve, reject) {
-	    if (!isArray$4(arr)) {
-	      return reject(new TypeError('Promise.race accepts an array'));
-	    }
-
-	    for (var i = 0, len = arr.length; i < len; i++) {
-	      Promise$1.resolve(arr[i]).then(resolve, reject);
-	    }
-	  });
-	};
-
-	// Use polyfill for setImmediate for performance gains
-	Promise$1._immediateFn =
-	  // @ts-ignore
-	  (typeof setImmediate === 'function' &&
-	    function(fn) {
-	      // @ts-ignore
-	      setImmediate(fn);
-	    }) ||
-	  function(fn) {
-	    setTimeoutFunc(fn, 0);
-	  };
-
-	Promise$1._unhandledRejectionFn = function _unhandledRejectionFn(err) {
-	  if (typeof console !== 'undefined' && console) {
-	    console.warn('Possible Unhandled Promise Rejection:', err); // eslint-disable-line no-console
-	  }
-	};
-
-	/** @suppress {undefinedVars} */
-	var globalNS = (function() {
-	  // the only reliable means to get the global object is
-	  // `Function('return this')()`
-	  // However, this causes CSP violations in Chrome apps.
-	  if (typeof self !== 'undefined') {
-	    return self;
-	  }
-	  if (typeof window !== 'undefined') {
-	    return window;
-	  }
-	  if (typeof global !== 'undefined') {
-	    return global;
-	  }
-	  throw new Error('unable to locate global object');
-	})();
-
-	if (!('Promise' in globalNS)) {
-	  globalNS['Promise'] = Promise$1;
-	} else if (!globalNS.Promise.prototype['finally']) {
-	  globalNS.Promise.prototype['finally'] = finallyConstructor;
-	}
-
-	var polyfill$e = /*#__PURE__*/Object.freeze({
-		__proto__: null
-	});
-
-	var setAsap = createCommonjsModule(function (module) {
-	(function (thisVar, undefined$1) {
-		var main = (typeof window === 'object' && window) || (typeof commonjsGlobal === 'object' && commonjsGlobal) ||
-			typeof self === 'object' && self || thisVar;
-
-		var hasSetImmediate = typeof setImmediate === 'function';
-		var hasNextTick = typeof process === 'object' && !!process && typeof process.nextTick === 'function';
-		var index = 0;
-
-		function getNewIndex() {
-			if (index === 9007199254740991) {
-				return 0;
-			}
-			return ++index;
-		}
-
-		var setAsap = (function () {
-			var hiddenDiv, scriptEl, timeoutFn, callbacks;
-
-			// Modern browsers, fastest async
-			if (main.MutationObserver) {
-				return function setAsap(callback) {
-					hiddenDiv = document.createElement("div");
-					(new MutationObserver(function() {
-						callback();
-						hiddenDiv = null;
-					})).observe(hiddenDiv, { attributes: true });
-					hiddenDiv.setAttribute('i', '1');
-				};
-
-			// Browsers that support postMessage
-			} else if (!hasSetImmediate && main.postMessage && !main.importScripts && main.addEventListener) {
-
-				var MESSAGE_PREFIX = "com.setImmediate" + Math.random();
-				callbacks = {};
-
-				var onGlobalMessage = function (event) {
-					if (event.source === main && event.data.indexOf(MESSAGE_PREFIX) === 0) {
-						var i = +event.data.split(':')[1];
-						callbacks[i]();
-						delete callbacks[i];
-					}
-				};
-
-				main.addEventListener("message", onGlobalMessage, false);
-
-				return function setAsap(callback) {
-					var i = getNewIndex();
-					callbacks[i] = callback;
-					main.postMessage(MESSAGE_PREFIX + ':' + i, "*");
-				};
-
-				// IE browsers without postMessage
-			} else if (!hasSetImmediate && main.document && 'onreadystatechange' in document.createElement('script')) {
-
-				return function setAsap(callback) {
-					scriptEl = document.createElement("script");
-					scriptEl.onreadystatechange = function onreadystatechange() {
-						scriptEl.onreadystatechange = null;
-						scriptEl.parentNode.removeChild(scriptEl);
-						scriptEl = null;
-						callback();
-					};
-					document.body.appendChild(scriptEl);
-				};
-
-			// All other browsers and node
-			} else {
-
-				timeoutFn = (hasSetImmediate && setImmediate) || (hasNextTick && process.nextTick) || setTimeout;
-				return function setAsap(callback) {
-					timeoutFn(callback);
-				};
-			}
-
-		})();
-
-		if ( module.exports) {
-			module.exports = setAsap;
-		} else if (typeof commonjsRequire !== 'undefined' && commonjsRequire.amd) {
-			undefined$1(function () {
-				return setAsap;
-			});
-		} else {
-			main.setAsap = setAsap;
-		}
-	})(commonjsGlobal);
-	});
-
-	var performanceNow = createCommonjsModule(function (module) {
-	// Generated by CoffeeScript 1.12.2
-	(function() {
-	  var getNanoSeconds, hrtime, loadTime, moduleLoadTime, nodeLoadTime, upTime;
-
-	  if ((typeof performance !== "undefined" && performance !== null) && performance.now) {
-	    module.exports = function() {
-	      return performance.now();
-	    };
-	  } else if ((typeof process !== "undefined" && process !== null) && process.hrtime) {
-	    module.exports = function() {
-	      return (getNanoSeconds() - nodeLoadTime) / 1e6;
-	    };
-	    hrtime = process.hrtime;
-	    getNanoSeconds = function() {
-	      var hr;
-	      hr = hrtime();
-	      return hr[0] * 1e9 + hr[1];
-	    };
-	    moduleLoadTime = getNanoSeconds();
-	    upTime = process.uptime() * 1e9;
-	    nodeLoadTime = moduleLoadTime - upTime;
-	  } else if (Date.now) {
-	    module.exports = function() {
-	      return Date.now() - loadTime;
-	    };
-	    loadTime = Date.now();
-	  } else {
-	    module.exports = function() {
-	      return new Date().getTime() - loadTime;
-	    };
-	    loadTime = new Date().getTime();
-	  }
-
-	}).call(commonjsGlobal);
-
-
-	});
-
-	var root = typeof window === 'undefined' ? commonjsGlobal : window
-	  , vendors = ['moz', 'webkit']
-	  , suffix = 'AnimationFrame'
-	  , raf = root['request' + suffix]
-	  , caf = root['cancel' + suffix] || root['cancelRequest' + suffix];
-
-	for(var i = 0; !raf && i < vendors.length; i++) {
-	  raf = root[vendors[i] + 'Request' + suffix];
-	  caf = root[vendors[i] + 'Cancel' + suffix]
-	      || root[vendors[i] + 'CancelRequest' + suffix];
-	}
-
-	// Some versions of FF have rAF but not cAF
-	if(!raf || !caf) {
-	  var last = 0
-	    , id$2 = 0
-	    , queue = []
-	    , frameDuration = 1000 / 60;
-
-	  raf = function(callback) {
-	    if(queue.length === 0) {
-	      var _now = performanceNow()
-	        , next = Math.max(0, frameDuration - (_now - last));
-	      last = next + _now;
-	      setTimeout(function() {
-	        var cp = queue.slice(0);
-	        // Clear queue here to prevent
-	        // callbacks from appending listeners
-	        // to the current frame's queue
-	        queue.length = 0;
-	        for(var i = 0; i < cp.length; i++) {
-	          if(!cp[i].cancelled) {
-	            try{
-	              cp[i].callback(last);
-	            } catch(e) {
-	              setTimeout(function() { throw e }, 0);
-	            }
-	          }
-	        }
-	      }, Math.round(next));
-	    }
-	    queue.push({
-	      handle: ++id$2,
-	      callback: callback,
-	      cancelled: false
-	    });
-	    return id$2
-	  };
-
-	  caf = function(handle) {
-	    for(var i = 0; i < queue.length; i++) {
-	      if(queue[i].handle === handle) {
-	        queue[i].cancelled = true;
-	      }
-	    }
-	  };
-	}
-
-	var raf_1 = function(fn) {
-	  // Wrap in a new function to prevent
-	  // `cancel` potentially being assigned
-	  // to the native rAF function
-	  return raf.call(root, fn)
-	};
-	var cancel = function() {
-	  caf.apply(root, arguments);
-	};
-	var polyfill$f = function(object) {
-	  if (!object) {
-	    object = root;
-	  }
-	  object.requestAnimationFrame = raf;
-	  object.cancelAnimationFrame = caf;
-	};
-	raf_1.cancel = cancel;
-	raf_1.polyfill = polyfill$f;
-
-	var global$1 = (function(self) {
-	  return self
-	  // eslint-disable-next-line no-invalid-this
-	})(typeof self !== 'undefined' ? self : undefined);
-	var support = {
-	  searchParams: 'URLSearchParams' in global$1,
-	  iterable: 'Symbol' in global$1 && 'iterator' in Symbol,
-	  blob:
-	    'FileReader' in global$1 &&
-	    'Blob' in global$1 &&
-	    (function() {
-	      try {
-	        new Blob();
-	        return true
-	      } catch (e) {
-	        return false
-	      }
-	    })(),
-	  formData: 'FormData' in global$1,
-	  arrayBuffer: 'ArrayBuffer' in global$1
-	};
-
-	function isDataView(obj) {
-	  return obj && DataView.prototype.isPrototypeOf(obj)
-	}
-
-	if (support.arrayBuffer) {
-	  var viewClasses = [
-	    '[object Int8Array]',
-	    '[object Uint8Array]',
-	    '[object Uint8ClampedArray]',
-	    '[object Int16Array]',
-	    '[object Uint16Array]',
-	    '[object Int32Array]',
-	    '[object Uint32Array]',
-	    '[object Float32Array]',
-	    '[object Float64Array]'
-	  ];
-
-	  var isArrayBufferView =
-	    ArrayBuffer.isView ||
-	    function(obj) {
-	      return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1
-	    };
-	}
-
-	function normalizeName(name) {
-	  if (typeof name !== 'string') {
-	    name = String(name);
-	  }
-	  if (/[^a-z0-9\-#$%&'*+.^_`|~!]/i.test(name) || name === '') {
-	    throw new TypeError('Invalid character in header field name')
-	  }
-	  return name.toLowerCase()
-	}
-
-	function normalizeValue(value) {
-	  if (typeof value !== 'string') {
-	    value = String(value);
-	  }
-	  return value
-	}
-
-	// Build a destructive iterator for the value list
-	function iteratorFor(items) {
-	  var iterator = {
-	    next: function() {
-	      var value = items.shift();
-	      return {done: value === undefined, value: value}
-	    }
-	  };
-
-	  if (support.iterable) {
-	    iterator[Symbol.iterator] = function() {
-	      return iterator
-	    };
-	  }
-
-	  return iterator
-	}
-
-	function Headers(headers) {
-	  this.map = {};
-
-	  if (headers instanceof Headers) {
-	    headers.forEach(function(value, name) {
-	      this.append(name, value);
-	    }, this);
-	  } else if (Array.isArray(headers)) {
-	    headers.forEach(function(header) {
-	      this.append(header[0], header[1]);
-	    }, this);
-	  } else if (headers) {
-	    Object.getOwnPropertyNames(headers).forEach(function(name) {
-	      this.append(name, headers[name]);
-	    }, this);
-	  }
-	}
-
-	Headers.prototype.append = function(name, value) {
-	  name = normalizeName(name);
-	  value = normalizeValue(value);
-	  var oldValue = this.map[name];
-	  this.map[name] = oldValue ? oldValue + ', ' + value : value;
-	};
-
-	Headers.prototype['delete'] = function(name) {
-	  delete this.map[normalizeName(name)];
-	};
-
-	Headers.prototype.get = function(name) {
-	  name = normalizeName(name);
-	  return this.has(name) ? this.map[name] : null
-	};
-
-	Headers.prototype.has = function(name) {
-	  return this.map.hasOwnProperty(normalizeName(name))
-	};
-
-	Headers.prototype.set = function(name, value) {
-	  this.map[normalizeName(name)] = normalizeValue(value);
-	};
-
-	Headers.prototype.forEach = function(callback, thisArg) {
-	  for (var name in this.map) {
-	    if (this.map.hasOwnProperty(name)) {
-	      callback.call(thisArg, this.map[name], name, this);
-	    }
-	  }
-	};
-
-	Headers.prototype.keys = function() {
-	  var items = [];
-	  this.forEach(function(value, name) {
-	    items.push(name);
-	  });
-	  return iteratorFor(items)
-	};
-
-	Headers.prototype.values = function() {
-	  var items = [];
-	  this.forEach(function(value) {
-	    items.push(value);
-	  });
-	  return iteratorFor(items)
-	};
-
-	Headers.prototype.entries = function() {
-	  var items = [];
-	  this.forEach(function(value, name) {
-	    items.push([name, value]);
-	  });
-	  return iteratorFor(items)
-	};
-
-	if (support.iterable) {
-	  Headers.prototype[Symbol.iterator] = Headers.prototype.entries;
-	}
-
-	function consumed(body) {
-	  if (body.bodyUsed) {
-	    return Promise.reject(new TypeError('Already read'))
-	  }
-	  body.bodyUsed = true;
-	}
-
-	function fileReaderReady(reader) {
-	  return new Promise(function(resolve, reject) {
-	    reader.onload = function() {
-	      resolve(reader.result);
-	    };
-	    reader.onerror = function() {
-	      reject(reader.error);
-	    };
-	  })
-	}
-
-	function readBlobAsArrayBuffer(blob) {
-	  var reader = new FileReader();
-	  var promise = fileReaderReady(reader);
-	  reader.readAsArrayBuffer(blob);
-	  return promise
-	}
-
-	function readBlobAsText(blob) {
-	  var reader = new FileReader();
-	  var promise = fileReaderReady(reader);
-	  reader.readAsText(blob);
-	  return promise
-	}
-
-	function readArrayBufferAsText(buf) {
-	  var view = new Uint8Array(buf);
-	  var chars = new Array(view.length);
-
-	  for (var i = 0; i < view.length; i++) {
-	    chars[i] = String.fromCharCode(view[i]);
-	  }
-	  return chars.join('')
-	}
-
-	function bufferClone(buf) {
-	  if (buf.slice) {
-	    return buf.slice(0)
-	  } else {
-	    var view = new Uint8Array(buf.byteLength);
-	    view.set(new Uint8Array(buf));
-	    return view.buffer
-	  }
-	}
-
-	function Body() {
-	  this.bodyUsed = false;
-
-	  this._initBody = function(body) {
-	    /*
-	      fetch-mock wraps the Response object in an ES6 Proxy to
-	      provide useful test harness features such as flush. However, on
-	      ES5 browsers without fetch or Proxy support pollyfills must be used;
-	      the proxy-pollyfill is unable to proxy an attribute unless it exists
-	      on the object before the Proxy is created. This change ensures
-	      Response.bodyUsed exists on the instance, while maintaining the
-	      semantic of setting Request.bodyUsed in the constructor before
-	      _initBody is called.
-	    */
-	    this.bodyUsed = this.bodyUsed;
-	    this._bodyInit = body;
-	    if (!body) {
-	      this._bodyText = '';
-	    } else if (typeof body === 'string') {
-	      this._bodyText = body;
-	    } else if (support.blob && Blob.prototype.isPrototypeOf(body)) {
-	      this._bodyBlob = body;
-	    } else if (support.formData && FormData.prototype.isPrototypeOf(body)) {
-	      this._bodyFormData = body;
-	    } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
-	      this._bodyText = body.toString();
-	    } else if (support.arrayBuffer && support.blob && isDataView(body)) {
-	      this._bodyArrayBuffer = bufferClone(body.buffer);
-	      // IE 10-11 can't handle a DataView body.
-	      this._bodyInit = new Blob([this._bodyArrayBuffer]);
-	    } else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) {
-	      this._bodyArrayBuffer = bufferClone(body);
-	    } else {
-	      this._bodyText = body = Object.prototype.toString.call(body);
-	    }
-
-	    if (!this.headers.get('content-type')) {
-	      if (typeof body === 'string') {
-	        this.headers.set('content-type', 'text/plain;charset=UTF-8');
-	      } else if (this._bodyBlob && this._bodyBlob.type) {
-	        this.headers.set('content-type', this._bodyBlob.type);
-	      } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
-	        this.headers.set('content-type', 'application/x-www-form-urlencoded;charset=UTF-8');
-	      }
-	    }
-	  };
-
-	  if (support.blob) {
-	    this.blob = function() {
-	      var rejected = consumed(this);
-	      if (rejected) {
-	        return rejected
-	      }
-
-	      if (this._bodyBlob) {
-	        return Promise.resolve(this._bodyBlob)
-	      } else if (this._bodyArrayBuffer) {
-	        return Promise.resolve(new Blob([this._bodyArrayBuffer]))
-	      } else if (this._bodyFormData) {
-	        throw new Error('could not read FormData body as blob')
-	      } else {
-	        return Promise.resolve(new Blob([this._bodyText]))
-	      }
-	    };
-
-	    this.arrayBuffer = function() {
-	      if (this._bodyArrayBuffer) {
-	        return consumed(this) || Promise.resolve(this._bodyArrayBuffer)
-	      } else {
-	        return this.blob().then(readBlobAsArrayBuffer)
-	      }
-	    };
-	  }
-
-	  this.text = function() {
-	    var rejected = consumed(this);
-	    if (rejected) {
-	      return rejected
-	    }
-
-	    if (this._bodyBlob) {
-	      return readBlobAsText(this._bodyBlob)
-	    } else if (this._bodyArrayBuffer) {
-	      return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer))
-	    } else if (this._bodyFormData) {
-	      throw new Error('could not read FormData body as text')
-	    } else {
-	      return Promise.resolve(this._bodyText)
-	    }
-	  };
-
-	  if (support.formData) {
-	    this.formData = function() {
-	      return this.text().then(decode)
-	    };
-	  }
-
-	  this.json = function() {
-	    return this.text().then(JSON.parse)
-	  };
-
-	  return this
-	}
-
-	// HTTP methods whose capitalization should be normalized
-	var methods = ['DELETE', 'GET', 'HEAD', 'OPTIONS', 'POST', 'PUT'];
-
-	function normalizeMethod(method) {
-	  var upcased = method.toUpperCase();
-	  return methods.indexOf(upcased) > -1 ? upcased : method
-	}
-
-	function Request(input, options) {
-	  options = options || {};
-	  var body = options.body;
-
-	  if (input instanceof Request) {
-	    if (input.bodyUsed) {
-	      throw new TypeError('Already read')
-	    }
-	    this.url = input.url;
-	    this.credentials = input.credentials;
-	    if (!options.headers) {
-	      this.headers = new Headers(input.headers);
-	    }
-	    this.method = input.method;
-	    this.mode = input.mode;
-	    this.signal = input.signal;
-	    if (!body && input._bodyInit != null) {
-	      body = input._bodyInit;
-	      input.bodyUsed = true;
-	    }
-	  } else {
-	    this.url = String(input);
-	  }
-
-	  this.credentials = options.credentials || this.credentials || 'same-origin';
-	  if (options.headers || !this.headers) {
-	    this.headers = new Headers(options.headers);
-	  }
-	  this.method = normalizeMethod(options.method || this.method || 'GET');
-	  this.mode = options.mode || this.mode || null;
-	  this.signal = options.signal || this.signal;
-	  this.referrer = null;
-
-	  if ((this.method === 'GET' || this.method === 'HEAD') && body) {
-	    throw new TypeError('Body not allowed for GET or HEAD requests')
-	  }
-	  this._initBody(body);
-
-	  if (this.method === 'GET' || this.method === 'HEAD') {
-	    if (options.cache === 'no-store' || options.cache === 'no-cache') {
-	      // Search for a '_' parameter in the query string
-	      var reParamSearch = /([?&])_=[^&]*/;
-	      if (reParamSearch.test(this.url)) {
-	        // If it already exists then set the value with the current time
-	        this.url = this.url.replace(reParamSearch, '$1_=' + new Date().getTime());
-	      } else {
-	        // Otherwise add a new '_' parameter to the end with the current time
-	        var reQueryString = /\?/;
-	        this.url += (reQueryString.test(this.url) ? '&' : '?') + '_=' + new Date().getTime();
-	      }
-	    }
-	  }
-	}
-
-	Request.prototype.clone = function() {
-	  return new Request(this, {body: this._bodyInit})
-	};
-
-	function decode(body) {
-	  var form = new FormData();
-	  body
-	    .trim()
-	    .split('&')
-	    .forEach(function(bytes) {
-	      if (bytes) {
-	        var split = bytes.split('=');
-	        var name = split.shift().replace(/\+/g, ' ');
-	        var value = split.join('=').replace(/\+/g, ' ');
-	        form.append(decodeURIComponent(name), decodeURIComponent(value));
-	      }
-	    });
-	  return form
-	}
-
-	function parseHeaders(rawHeaders) {
-	  var headers = new Headers();
-	  // Replace instances of \r\n and \n followed by at least one space or horizontal tab with a space
-	  // https://tools.ietf.org/html/rfc7230#section-3.2
-	  var preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, ' ');
-	  preProcessedHeaders.split(/\r?\n/).forEach(function(line) {
-	    var parts = line.split(':');
-	    var key = parts.shift().trim();
-	    if (key) {
-	      var value = parts.join(':').trim();
-	      headers.append(key, value);
-	    }
-	  });
-	  return headers
-	}
-
-	Body.call(Request.prototype);
-
-	function Response(bodyInit, options) {
-	  if (!options) {
-	    options = {};
-	  }
-
-	  this.type = 'default';
-	  this.status = options.status === undefined ? 200 : options.status;
-	  this.ok = this.status >= 200 && this.status < 300;
-	  this.statusText = 'statusText' in options ? options.statusText : '';
-	  this.headers = new Headers(options.headers);
-	  this.url = options.url || '';
-	  this._initBody(bodyInit);
-	}
-
-	Body.call(Response.prototype);
-
-	Response.prototype.clone = function() {
-	  return new Response(this._bodyInit, {
-	    status: this.status,
-	    statusText: this.statusText,
-	    headers: new Headers(this.headers),
-	    url: this.url
-	  })
-	};
-
-	Response.error = function() {
-	  var response = new Response(null, {status: 0, statusText: ''});
-	  response.type = 'error';
-	  return response
-	};
-
-	var redirectStatuses = [301, 302, 303, 307, 308];
-
-	Response.redirect = function(url, status) {
-	  if (redirectStatuses.indexOf(status) === -1) {
-	    throw new RangeError('Invalid status code')
-	  }
-
-	  return new Response(null, {status: status, headers: {location: url}})
-	};
-
-	var DOMException$1 = global$1.DOMException;
-
-	if (typeof DOMException$1 !== 'function') {
-	  DOMException$1 = function(message, name) {
-	    this.message = message;
-	    this.name = name;
-	    var error = Error(message);
-	    this.stack = error.stack;
-	  };
-	  DOMException$1.prototype = Object.create(Error.prototype);
-	  DOMException$1.prototype.constructor = DOMException$1;
-	}
-
-	function fetch$1(input, init) {
-	  return new Promise(function(resolve, reject) {
-	    var request = new Request(input, init);
-
-	    if (request.signal && request.signal.aborted) {
-	      return reject(new DOMException$1('Aborted', 'AbortError'))
-	    }
-
-	    var xhr = new XMLHttpRequest();
-
-	    function abortXhr() {
-	      xhr.abort();
-	    }
-
-	    xhr.onload = function() {
-	      var options = {
-	        status: xhr.status,
-	        statusText: xhr.statusText,
-	        headers: parseHeaders(xhr.getAllResponseHeaders() || '')
-	      };
-	      options.url = 'responseURL' in xhr ? xhr.responseURL : options.headers.get('X-Request-URL');
-	      var body = 'response' in xhr ? xhr.response : xhr.responseText;
-	      setTimeout(function() {
-	        resolve(new Response(body, options));
-	      }, 0);
-	    };
-
-	    xhr.onerror = function() {
-	      setTimeout(function() {
-	        reject(new TypeError('Network request failed'));
-	      }, 0);
-	    };
-
-	    xhr.ontimeout = function() {
-	      setTimeout(function() {
-	        reject(new TypeError('Network request failed'));
-	      }, 0);
-	    };
-
-	    xhr.onabort = function() {
-	      setTimeout(function() {
-	        reject(new DOMException$1('Aborted', 'AbortError'));
-	      }, 0);
-	    };
-
-	    function fixUrl(url) {
-	      try {
-	        return url === '' && global$1.location.href ? global$1.location.href : url
-	      } catch (e) {
-	        return url
-	      }
-	    }
-
-	    xhr.open(request.method, fixUrl(request.url), true);
-
-	    if (request.credentials === 'include') {
-	      xhr.withCredentials = true;
-	    } else if (request.credentials === 'omit') {
-	      xhr.withCredentials = false;
-	    }
-
-	    if ('responseType' in xhr) {
-	      if (support.blob) {
-	        xhr.responseType = 'blob';
-	      } else if (
-	        support.arrayBuffer &&
-	        request.headers.get('Content-Type') &&
-	        request.headers.get('Content-Type').indexOf('application/octet-stream') !== -1
-	      ) {
-	        xhr.responseType = 'arraybuffer';
-	      }
-	    }
-
-	    request.headers.forEach(function(value, name) {
-	      xhr.setRequestHeader(name, value);
-	    });
-
-	    if (request.signal) {
-	      request.signal.addEventListener('abort', abortXhr);
-
-	      xhr.onreadystatechange = function() {
-	        // DONE (success or failure)
-	        if (xhr.readyState === 4) {
-	          request.signal.removeEventListener('abort', abortXhr);
-	        }
-	      };
-	    }
-
-	    xhr.send(typeof request._bodyInit === 'undefined' ? null : request._bodyInit);
-	  })
-	}
-
-	fetch$1.polyfill = true;
-
-	if (!global$1.fetch) {
-	  global$1.fetch = fetch$1;
-	  global$1.Headers = Headers;
-	  global$1.Request = Request;
-	  global$1.Response = Response;
-	}
-
-	var lib = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-
-
-
-
-
-
-
-
-	if (!window.Set) {
-	    window.Set = es6Set;
-	}
-	if (!window.Map) {
-	    window.Map = es6Map;
-	}
-	if (!window.Promise) {
-	    window.Promise = polyfill$e;
-	    window.Promise._immediateFn = setAsap;
-	}
-	if (!Array.prototype.find) {
-	    array_prototype_find.shim();
-	}
-	if (!Array.prototype.findIndex) {
-	    array_prototype_findindex.shim();
-	}
-	if (!Array.from) {
-	    array_from.shim();
-	}
-	if (!Object.values) {
-	    object_values.shim();
-	}
-	if (!Object.assign) {
-	    object_assign.shim();
-	}
-	if (!window.requestAnimationFrame || !window.cancelAnimationFrame) {
-	    window.requestAnimationFrame = raf_1;
-	    window.cancelAnimationFrame = raf_1.cancel;
-	}
-
-	var finalFetch = window.fetch;
-	var finalPromise = window.Promise;
-	window.fetch = function (input, init) {
-	    try {
-	        return finalFetch(input, init);
-	    }
-	    catch (error) {
-	        return new finalPromise(function (_, reject) { return reject(error); });
-	    }
-	};
-	});
-
-	var $Math$2 = GetIntrinsic('%Math%');
-
-	var $floor$1 = $Math$2.floor;
-	var $abs$1 = $Math$2.abs;
-
-
-
-
-	// https://www.ecma-international.org/ecma-262/6.0/#sec-isinteger
-
-	var IsInteger = function IsInteger(argument) {
-		if (typeof argument !== 'number' || _isNaN(argument) || !_isFinite(argument)) {
-			return false;
-		}
-		var abs = $abs$1(argument);
-		return $floor$1(abs) === abs;
-	};
-
-	var ArrayPush = callBound('Array.prototype.push');
-	var StringFromCharCodeSpread = callBind.apply(String.fromCharCode, null);
-
-	var implementation$8 = function fromCodePoint(_ /* fromCodePoint.length is 1 */) {
-		var MAX_SIZE = 0x4000;
-		var codeUnits = [];
-		var highSurrogate;
-		var lowSurrogate;
-		var index = -1;
-		var length = arguments.length;
-		if (!length) {
-			return '';
-		}
-		var result = '';
-		while (++index < length) {
-			var codePoint = ToNumber$1(arguments[index]);
-			if (
-				!IsInteger(codePoint) ||
-				codePoint < 0 || codePoint > 0x10FFFF // not a valid Unicode code point
-			) {
-				throw RangeError('Invalid code point: ' + codePoint);
-			}
-			if (codePoint <= 0xFFFF) { // BMP code point
-				ArrayPush(codeUnits, codePoint);
-			} else { // Astral code point; split in surrogate halves
-				// https://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
-				codePoint -= 0x10000;
-				highSurrogate = (codePoint >> 10) + 0xD800;
-				lowSurrogate = (codePoint % 0x400) + 0xDC00;
-				ArrayPush(codeUnits, highSurrogate, lowSurrogate);
-			}
-			if (index + 1 == length || codeUnits.length > MAX_SIZE) {
-				result += StringFromCharCodeSpread(codeUnits);
-				codeUnits.length = 0;
-			}
-		}
-		return result;
-	};
-
-	var polyfill$g = function getPolyfill() {
-		return String.fromCodePoint || implementation$8;
-	};
-
-	var shim$d = function shimFromCodePoint() {
-		var polyfill = polyfill$g();
-
-		if (String.fromCodePoint !== polyfill) {
-			defineProperties_1(String, { fromCodePoint: polyfill });
-		}
-
-		return polyfill;
-	};
-
-	/*! https://mths.be/fromcodepoint v1.0.0 by @mathias */
-
-	shim$d();
-
-	(function (factory) {
-	  
-	  factory();
-	}((function () {
-	  function _classCallCheck(instance, Constructor) {
-	    if (!(instance instanceof Constructor)) {
-	      throw new TypeError("Cannot call a class as a function");
-	    }
-	  }
-
-	  function _defineProperties(target, props) {
-	    for (var i = 0; i < props.length; i++) {
-	      var descriptor = props[i];
-	      descriptor.enumerable = descriptor.enumerable || false;
-	      descriptor.configurable = true;
-	      if ("value" in descriptor) descriptor.writable = true;
-	      Object.defineProperty(target, descriptor.key, descriptor);
-	    }
-	  }
-
-	  function _createClass(Constructor, protoProps, staticProps) {
-	    if (protoProps) _defineProperties(Constructor.prototype, protoProps);
-	    if (staticProps) _defineProperties(Constructor, staticProps);
-	    return Constructor;
-	  }
-
-	  function _inherits(subClass, superClass) {
-	    if (typeof superClass !== "function" && superClass !== null) {
-	      throw new TypeError("Super expression must either be null or a function");
-	    }
-
-	    subClass.prototype = Object.create(superClass && superClass.prototype, {
-	      constructor: {
-	        value: subClass,
-	        writable: true,
-	        configurable: true
-	      }
-	    });
-	    if (superClass) _setPrototypeOf(subClass, superClass);
-	  }
-
-	  function _getPrototypeOf(o) {
-	    _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) {
-	      return o.__proto__ || Object.getPrototypeOf(o);
-	    };
-	    return _getPrototypeOf(o);
-	  }
-
-	  function _setPrototypeOf(o, p) {
-	    _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) {
-	      o.__proto__ = p;
-	      return o;
-	    };
-
-	    return _setPrototypeOf(o, p);
-	  }
-
-	  function _assertThisInitialized(self) {
-	    if (self === void 0) {
-	      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
-	    }
-
-	    return self;
-	  }
-
-	  function _possibleConstructorReturn(self, call) {
-	    if (call && (typeof call === "object" || typeof call === "function")) {
-	      return call;
-	    }
-
-	    return _assertThisInitialized(self);
-	  }
-
-	  function _superPropBase(object, property) {
-	    while (!Object.prototype.hasOwnProperty.call(object, property)) {
-	      object = _getPrototypeOf(object);
-	      if (object === null) break;
-	    }
-
-	    return object;
-	  }
-
-	  function _get(target, property, receiver) {
-	    if (typeof Reflect !== "undefined" && Reflect.get) {
-	      _get = Reflect.get;
-	    } else {
-	      _get = function _get(target, property, receiver) {
-	        var base = _superPropBase(target, property);
-
-	        if (!base) return;
-	        var desc = Object.getOwnPropertyDescriptor(base, property);
-
-	        if (desc.get) {
-	          return desc.get.call(receiver);
-	        }
-
-	        return desc.value;
-	      };
-	    }
-
-	    return _get(target, property, receiver || target);
-	  }
-
-	  var Emitter =
-	  /*#__PURE__*/
-	  function () {
-	    function Emitter() {
-	      _classCallCheck(this, Emitter);
-
-	      Object.defineProperty(this, 'listeners', {
-	        value: {},
-	        writable: true,
-	        configurable: true
-	      });
-	    }
-
-	    _createClass(Emitter, [{
-	      key: "addEventListener",
-	      value: function addEventListener(type, callback) {
-	        if (!(type in this.listeners)) {
-	          this.listeners[type] = [];
-	        }
-
-	        this.listeners[type].push(callback);
-	      }
-	    }, {
-	      key: "removeEventListener",
-	      value: function removeEventListener(type, callback) {
-	        if (!(type in this.listeners)) {
-	          return;
-	        }
-
-	        var stack = this.listeners[type];
-
-	        for (var i = 0, l = stack.length; i < l; i++) {
-	          if (stack[i] === callback) {
-	            stack.splice(i, 1);
-	            return;
-	          }
-	        }
-	      }
-	    }, {
-	      key: "dispatchEvent",
-	      value: function dispatchEvent(event) {
-	        var _this = this;
-
-	        if (!(event.type in this.listeners)) {
-	          return;
-	        }
-
-	        var debounce = function debounce(callback) {
-	          setTimeout(function () {
-	            return callback.call(_this, event);
-	          });
-	        };
-
-	        var stack = this.listeners[event.type];
-
-	        for (var i = 0, l = stack.length; i < l; i++) {
-	          debounce(stack[i]);
-	        }
-
-	        return !event.defaultPrevented;
-	      }
-	    }]);
-
-	    return Emitter;
-	  }();
-
-	  var AbortSignal =
-	  /*#__PURE__*/
-	  function (_Emitter) {
-	    _inherits(AbortSignal, _Emitter);
-
-	    function AbortSignal() {
-	      var _this2;
-
-	      _classCallCheck(this, AbortSignal);
-
-	      _this2 = _possibleConstructorReturn(this, _getPrototypeOf(AbortSignal).call(this)); // Some versions of babel does not transpile super() correctly for IE <= 10, if the parent
-	      // constructor has failed to run, then "this.listeners" will still be undefined and then we call
-	      // the parent constructor directly instead as a workaround. For general details, see babel bug:
-	      // https://github.com/babel/babel/issues/3041
-	      // This hack was added as a fix for the issue described here:
-	      // https://github.com/Financial-Times/polyfill-library/pull/59#issuecomment-477558042
-
-	      if (!_this2.listeners) {
-	        Emitter.call(_assertThisInitialized(_this2));
-	      } // Compared to assignment, Object.defineProperty makes properties non-enumerable by default and
-	      // we want Object.keys(new AbortController().signal) to be [] for compat with the native impl
-
-
-	      Object.defineProperty(_assertThisInitialized(_this2), 'aborted', {
-	        value: false,
-	        writable: true,
-	        configurable: true
-	      });
-	      Object.defineProperty(_assertThisInitialized(_this2), 'onabort', {
-	        value: null,
-	        writable: true,
-	        configurable: true
-	      });
-	      return _this2;
-	    }
-
-	    _createClass(AbortSignal, [{
-	      key: "toString",
-	      value: function toString() {
-	        return '[object AbortSignal]';
-	      }
-	    }, {
-	      key: "dispatchEvent",
-	      value: function dispatchEvent(event) {
-	        if (event.type === 'abort') {
-	          this.aborted = true;
-
-	          if (typeof this.onabort === 'function') {
-	            this.onabort.call(this, event);
-	          }
-	        }
-
-	        _get(_getPrototypeOf(AbortSignal.prototype), "dispatchEvent", this).call(this, event);
-	      }
-	    }]);
-
-	    return AbortSignal;
-	  }(Emitter);
-	  var AbortController =
-	  /*#__PURE__*/
-	  function () {
-	    function AbortController() {
-	      _classCallCheck(this, AbortController);
-
-	      // Compared to assignment, Object.defineProperty makes properties non-enumerable by default and
-	      // we want Object.keys(new AbortController()) to be [] for compat with the native impl
-	      Object.defineProperty(this, 'signal', {
-	        value: new AbortSignal(),
-	        writable: true,
-	        configurable: true
-	      });
-	    }
-
-	    _createClass(AbortController, [{
-	      key: "abort",
-	      value: function abort() {
-	        var event;
-
-	        try {
-	          event = new Event('abort');
-	        } catch (e) {
-	          if (typeof document !== 'undefined') {
-	            if (!document.createEvent) {
-	              // For Internet Explorer 8:
-	              event = document.createEventObject();
-	              event.type = 'abort';
-	            } else {
-	              // For Internet Explorer 11:
-	              event = document.createEvent('Event');
-	              event.initEvent('abort', false, false);
-	            }
-	          } else {
-	            // Fallback where document isn't available:
-	            event = {
-	              type: 'abort',
-	              bubbles: false,
-	              cancelable: false
-	            };
-	          }
-	        }
-
-	        this.signal.dispatchEvent(event);
-	      }
-	    }, {
-	      key: "toString",
-	      value: function toString() {
-	        return '[object AbortController]';
-	      }
-	    }]);
-
-	    return AbortController;
-	  }();
-
-	  if (typeof Symbol !== 'undefined' && Symbol.toStringTag) {
-	    // These are necessary to make sure that we get correct output for:
-	    // Object.prototype.toString.call(new AbortController())
-	    AbortController.prototype[Symbol.toStringTag] = 'AbortController';
-	    AbortSignal.prototype[Symbol.toStringTag] = 'AbortSignal';
-	  }
-
-	  function polyfillNeeded(self) {
-	    if (self.__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL) {
-	      console.log('__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL=true is set, will force install polyfill');
-	      return true;
-	    } // Note that the "unfetch" minimal fetch polyfill defines fetch() without
-	    // defining window.Request, and this polyfill need to work on top of unfetch
-	    // so the below feature detection needs the !self.AbortController part.
-	    // The Request.prototype check is also needed because Safari versions 11.1.2
-	    // up to and including 12.1.x has a window.AbortController present but still
-	    // does NOT correctly implement abortable fetch:
-	    // https://bugs.webkit.org/show_bug.cgi?id=174980#c2
-
-
-	    return typeof self.Request === 'function' && !self.Request.prototype.hasOwnProperty('signal') || !self.AbortController;
-	  }
-
-	  /**
-	   * Note: the "fetch.Request" default value is available for fetch imported from
-	   * the "node-fetch" package and not in browsers. This is OK since browsers
-	   * will be importing umd-polyfill.js from that path "self" is passed the
-	   * decorator so the default value will not be used (because browsers that define
-	   * fetch also has Request). One quirky setup where self.fetch exists but
-	   * self.Request does not is when the "unfetch" minimal fetch polyfill is used
-	   * on top of IE11; for this case the browser will try to use the fetch.Request
-	   * default value which in turn will be undefined but then then "if (Request)"
-	   * will ensure that you get a patched fetch but still no Request (as expected).
-	   * @param {fetch, Request = fetch.Request}
-	   * @returns {fetch: abortableFetch, Request: AbortableRequest}
-	   */
-
-	  function abortableFetchDecorator(patchTargets) {
-	    if ('function' === typeof patchTargets) {
-	      patchTargets = {
-	        fetch: patchTargets
-	      };
-	    }
-
-	    var _patchTargets = patchTargets,
-	        fetch = _patchTargets.fetch,
-	        _patchTargets$Request = _patchTargets.Request,
-	        NativeRequest = _patchTargets$Request === void 0 ? fetch.Request : _patchTargets$Request,
-	        NativeAbortController = _patchTargets.AbortController,
-	        _patchTargets$__FORCE = _patchTargets.__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL,
-	        __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL = _patchTargets$__FORCE === void 0 ? false : _patchTargets$__FORCE;
-
-	    if (!polyfillNeeded({
-	      fetch: fetch,
-	      Request: NativeRequest,
-	      AbortController: NativeAbortController,
-	      __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL: __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL
-	    })) {
-	      return {
-	        fetch: fetch,
-	        Request: Request
-	      };
-	    }
-
-	    var Request = NativeRequest; // Note that the "unfetch" minimal fetch polyfill defines fetch() without
-	    // defining window.Request, and this polyfill need to work on top of unfetch
-	    // hence we only patch it if it's available. Also we don't patch it if signal
-	    // is already available on the Request prototype because in this case support
-	    // is present and the patching below can cause a crash since it assigns to
-	    // request.signal which is technically a read-only property. This latter error
-	    // happens when you run the main5.js node-fetch example in the repo
-	    // "abortcontroller-polyfill-examples". The exact error is:
-	    //   request.signal = init.signal;
-	    //   ^
-	    // TypeError: Cannot set property signal of #<Request> which has only a getter
-
-	    if (Request && !Request.prototype.hasOwnProperty('signal') || __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL) {
-	      Request = function Request(input, init) {
-	        var signal;
-
-	        if (init && init.signal) {
-	          signal = init.signal; // Never pass init.signal to the native Request implementation when the polyfill has
-	          // been installed because if we're running on top of a browser with a
-	          // working native AbortController (i.e. the polyfill was installed due to
-	          // __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL being set), then passing our
-	          // fake AbortSignal to the native fetch will trigger:
-	          // TypeError: Failed to construct 'Request': member signal is not of type AbortSignal.
-
-	          delete init.signal;
-	        }
-
-	        var request = new NativeRequest(input, init);
-
-	        if (signal) {
-	          Object.defineProperty(request, 'signal', {
-	            writable: false,
-	            enumerable: false,
-	            configurable: true,
-	            value: signal
-	          });
-	        }
-
-	        return request;
-	      };
-
-	      Request.prototype = NativeRequest.prototype;
-	    }
-
-	    var realFetch = fetch;
-
-	    var abortableFetch = function abortableFetch(input, init) {
-	      var signal = Request && Request.prototype.isPrototypeOf(input) ? input.signal : init ? init.signal : undefined;
-
-	      if (signal) {
-	        var abortError;
-
-	        try {
-	          abortError = new DOMException('Aborted', 'AbortError');
-	        } catch (err) {
-	          // IE 11 does not support calling the DOMException constructor, use a
-	          // regular error object on it instead.
-	          abortError = new Error('Aborted');
-	          abortError.name = 'AbortError';
-	        } // Return early if already aborted, thus avoiding making an HTTP request
-
-
-	        if (signal.aborted) {
-	          return Promise.reject(abortError);
-	        } // Turn an event into a promise, reject it once `abort` is dispatched
-
-
-	        var cancellation = new Promise(function (_, reject) {
-	          signal.addEventListener('abort', function () {
-	            return reject(abortError);
-	          }, {
-	            once: true
-	          });
-	        });
-
-	        if (init && init.signal) {
-	          // Never pass .signal to the native implementation when the polyfill has
-	          // been installed because if we're running on top of a browser with a
-	          // working native AbortController (i.e. the polyfill was installed due to
-	          // __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL being set), then passing our
-	          // fake AbortSignal to the native fetch will trigger:
-	          // TypeError: Failed to execute 'fetch' on 'Window': member signal is not of type AbortSignal.
-	          delete init.signal;
-	        } // Return the fastest promise (don't need to wait for request to finish)
-
-
-	        return Promise.race([cancellation, realFetch(input, init)]);
-	      }
-
-	      return realFetch(input, init);
-	    };
-
-	    return {
-	      fetch: abortableFetch,
-	      Request: Request
-	    };
-	  }
-
-	  (function (self) {
-
-	    if (!polyfillNeeded(self)) {
-	      return;
-	    }
-
-	    if (!self.fetch) {
-	      console.warn('fetch() is not available, cannot install abortcontroller-polyfill');
-	      return;
-	    }
-
-	    var _abortableFetch = abortableFetchDecorator(self),
-	        fetch = _abortableFetch.fetch,
-	        Request = _abortableFetch.Request;
-
-	    self.fetch = fetch;
-	    self.Request = Request;
-	    Object.defineProperty(self, 'AbortController', {
-	      writable: true,
-	      enumerable: false,
-	      configurable: true,
-	      value: AbortController
-	    });
-	    Object.defineProperty(self, 'AbortSignal', {
-	      writable: true,
-	      enumerable: false,
-	      configurable: true,
-	      value: AbortSignal
-	    });
-	  })(typeof self !== 'undefined' ? self : commonjsGlobal);
-
-	})));
-
-	function actionAddEntity(way) {
-	    return function(graph) {
-	        return graph.replace(way);
-	    };
-	}
-
-	/*
-	Order the nodes of a way in reverse order and reverse any direction dependent tags
-	other than `oneway`. (We assume that correcting a backwards oneway is the primary
-	reason for reversing a way.)
-
-	In addition, numeric-valued `incline` tags are negated.
-
-	The JOSM implementation was used as a guide, but transformations that were of unclear benefit
-	or adjusted tags that don't seem to be used in practice were omitted.
-
-	References:
-	    http://wiki.openstreetmap.org/wiki/Forward_%26_backward,_left_%26_right
-	    http://wiki.openstreetmap.org/wiki/Key:direction#Steps
-	    http://wiki.openstreetmap.org/wiki/Key:incline
-	    http://wiki.openstreetmap.org/wiki/Route#Members
-	    http://josm.openstreetmap.de/browser/josm/trunk/src/org/openstreetmap/josm/corrector/ReverseWayTagCorrector.java
-	    http://wiki.openstreetmap.org/wiki/Tag:highway%3Dstop
-	    http://wiki.openstreetmap.org/wiki/Key:traffic_sign#On_a_way_or_area
-	*/
-	function actionReverse(entityID, options) {
-	    var ignoreKey = /^.*(_|:)?(description|name|note|website|ref|source|comment|watch|attribution)(_|:)?/;
-	    var numeric = /^([+\-]?)(?=[\d.])/;
-	    var directionKey = /direction$/;
-	    var turn_lanes = /^turn:lanes:?/;
-	    var keyReplacements = [
-	        [/:right$/, ':left'],
-	        [/:left$/, ':right'],
-	        [/:forward$/, ':backward'],
-	        [/:backward$/, ':forward'],
-	        [/:right:/, ':left:'],
-	        [/:left:/, ':right:'],
-	        [/:forward:/, ':backward:'],
-	        [/:backward:/, ':forward:']
-	    ];
-	    var valueReplacements = {
-	        left: 'right',
-	        right: 'left',
-	        up: 'down',
-	        down: 'up',
-	        forward: 'backward',
-	        backward: 'forward',
-	        forwards: 'backward',
-	        backwards: 'forward',
-	    };
-	    var roleReplacements = {
-	        forward: 'backward',
-	        backward: 'forward',
-	        forwards: 'backward',
-	        backwards: 'forward'
-	    };
-	    var onewayReplacements = {
-	        yes: '-1',
-	        '1': '-1',
-	        '-1': 'yes'
-	    };
-
-	    var compassReplacements = {
-	        N: 'S',
-	        NNE: 'SSW',
-	        NE: 'SW',
-	        ENE: 'WSW',
-	        E: 'W',
-	        ESE: 'WNW',
-	        SE: 'NW',
-	        SSE: 'NNW',
-	        S: 'N',
-	        SSW: 'NNE',
-	        SW: 'NE',
-	        WSW: 'ENE',
-	        W: 'E',
-	        WNW: 'ESE',
-	        NW: 'SE',
-	        NNW: 'SSE'
-	    };
-
-
-	    function reverseKey(key) {
-	        for (var i = 0; i < keyReplacements.length; ++i) {
-	            var replacement = keyReplacements[i];
-	            if (replacement[0].test(key)) {
-	                return key.replace(replacement[0], replacement[1]);
-	            }
-	        }
-	        return key;
-	    }
-
-
-	    function reverseValue(key, value, includeAbsolute) {
-	        if (ignoreKey.test(key)) return value;
-
-	        // Turn lanes are left/right to key (not way) direction - #5674
-	        if (turn_lanes.test(key)) {
-	            return value;
-
-	        } else if (key === 'incline' && numeric.test(value)) {
-	            return value.replace(numeric, function(_, sign) { return sign === '-' ? '' : '-'; });
-
-	        } else if (options && options.reverseOneway && key === 'oneway') {
-	            return onewayReplacements[value] || value;
-
-	        } else if (includeAbsolute && directionKey.test(key)) {
-	            if (compassReplacements[value]) return compassReplacements[value];
-
-	            var degrees = parseFloat(value);
-	            if (typeof degrees === 'number' && !isNaN(degrees)) {
-	                if (degrees < 180) {
-	                    degrees += 180;
-	                } else {
-	                    degrees -= 180;
-	                }
-	                return degrees.toString();
-	            }
-	        }
-
-	        return valueReplacements[value] || value;
-	    }
-
-
-	    // Reverse the direction of tags attached to the nodes - #3076
-	    function reverseNodeTags(graph, nodeIDs) {
-	        for (var i = 0; i < nodeIDs.length; i++) {
-	            var node = graph.hasEntity(nodeIDs[i]);
-	            if (!node || !Object.keys(node.tags).length) continue;
-
-	            var tags = {};
-	            for (var key in node.tags) {
-	                tags[reverseKey(key)] = reverseValue(key, node.tags[key], node.id === entityID);
-	            }
-	            graph = graph.replace(node.update({tags: tags}));
-	        }
-	        return graph;
-	    }
-
-
-	    function reverseWay(graph, way) {
-	        var nodes = way.nodes.slice().reverse();
-	        var tags = {};
-	        var role;
-
-	        for (var key in way.tags) {
-	            tags[reverseKey(key)] = reverseValue(key, way.tags[key]);
-	        }
-
-	        graph.parentRelations(way).forEach(function(relation) {
-	            relation.members.forEach(function(member, index) {
-	                if (member.id === way.id && (role = roleReplacements[member.role])) {
-	                    relation = relation.updateMember({role: role}, index);
-	                    graph = graph.replace(relation);
-	                }
-	            });
-	        });
-
-	        // Reverse any associated directions on nodes on the way and then replace
-	        // the way itself with the reversed node ids and updated way tags
-	        return reverseNodeTags(graph, nodes)
-	            .replace(way.update({nodes: nodes, tags: tags}));
-	    }
-
-
-	    var action = function(graph) {
-	        var entity = graph.entity(entityID);
-	        if (entity.type === 'way') {
-	            return reverseWay(graph, entity);
-	        }
-	        return reverseNodeTags(graph, [entityID]);
-	    };
-
-	    action.disabled = function(graph) {
-	        var entity = graph.hasEntity(entityID);
-	        if (!entity || entity.type === 'way') return false;
-
-	        for (var key in entity.tags) {
-	            var value = entity.tags[key];
-	            if (reverseKey(key) !== key || reverseValue(key, value, true) !== value) {
-	                return false;
-	            }
-	        }
-	        return 'nondirectional_node';
-	    };
-
-	    action.entityID = function() {
-	        return entityID;
-	    };
-
-	    return action;
-	}
-
-	function osmIsInterestingTag(key) {
-	    return key !== 'attribution' &&
-	        key !== 'created_by' &&
-	        key !== 'source' &&
-	        key !== 'odbl' &&
-	        key.indexOf('source:') !== 0 &&
-	        key.indexOf('source_ref') !== 0 && // purposely exclude colon
-	        key.indexOf('tiger:') !== 0;
-	}
-
-	var osmAreaKeys = {};
-	function osmSetAreaKeys(value) {
-	    osmAreaKeys = value;
-	}
-
-	// returns an object with the tag from `tags` that implies an area geometry, if any
-	function osmTagSuggestingArea(tags) {
-	    if (tags.area === 'yes') return { area: 'yes' };
-	    if (tags.area === 'no') return null;
-
-	    // `highway` and `railway` are typically linear features, but there
-	    // are a few exceptions that should be treated as areas, even in the
-	    // absence of a proper `area=yes` or `areaKeys` tag.. see #4194
-	    var lineKeys = {
-	        highway: {
-	            rest_area: true,
-	            services: true
-	        },
-	        railway: {
-	            roundhouse: true,
-	            station: true,
-	            traverser: true,
-	            turntable: true,
-	            wash: true
-	        }
-	    };
-	    var returnTags = {};
-	    for (var key in tags) {
-	        if (key in osmAreaKeys && !(tags[key] in osmAreaKeys[key])) {
-	            returnTags[key] = tags[key];
-	            return returnTags;
-	        }
-	        if (key in lineKeys && tags[key] in lineKeys[key]) {
-	            returnTags[key] = tags[key];
-	            return returnTags;
-	        }
-	    }
-	    return null;
-	}
-
-	// Tags that indicate a node can be a standalone point
-	// e.g. { amenity: { bar: true, parking: true, ... } ... }
-	var osmPointTags = {};
-	function osmSetPointTags(value) {
-	    osmPointTags = value;
-	}
-	// Tags that indicate a node can be part of a way
-	// e.g. { amenity: { parking: true, ... }, highway: { stop: true ... } ... }
-	var osmVertexTags = {};
-	function osmSetVertexTags(value) {
-	    osmVertexTags = value;
-	}
-
-	function osmNodeGeometriesForTags(nodeTags) {
-	    var geometries = {};
-	    for (var key in nodeTags) {
-	        if (osmPointTags[key] &&
-	            (osmPointTags[key]['*'] || osmPointTags[key][nodeTags[key]])) {
-	            geometries.point = true;
-	        }
-	        if (osmVertexTags[key] &&
-	            (osmVertexTags[key]['*'] || osmVertexTags[key][nodeTags[key]])) {
-	            geometries.vertex = true;
-	        }
-	        // break early if both are already supported
-	        if (geometries.point && geometries.vertex) break;
-	    }
-	    return geometries;
-	}
-
-	var osmOneWayTags = {
-	    'aerialway': {
-	        'chair_lift': true,
-	        'drag_lift': true,
-	        'j-bar': true,
-	        'magic_carpet': true,
-	        'mixed_lift': true,
-	        'platter': true,
-	        'rope_tow': true,
-	        't-bar': true,
-	        'zip_line': true
-	    },
-	    'highway': {
-	        'motorway': true
-	    },
-	    'junction': {
-	        'circular': true,
-	        'roundabout': true
-	    },
-	    'man_made': {
-	        'goods_conveyor': true,
-	        'piste:halfpipe': true
-	    },
-	    'piste:type': {
-	        'downhill': true,
-	        'sled': true,
-	        'yes': true
-	    },
-	    'waterway': {
-	        'canal': true,
-	        'ditch': true,
-	        'drain': true,
-	        'fish_pass': true,
-	        'river': true,
-	        'stream': true,
-	        'tidal_channel': true
-	    }
-	};
-
-	// solid and smooth surfaces akin to the assumed default road surface in OSM
-	var osmPavedTags = {
-	    'surface': {
-	        'paved': true,
-	        'asphalt': true,
-	        'concrete': true,
-	        'concrete:lanes': true,
-	        'concrete:plates': true
-	    },
-	    'tracktype': {
-	        'grade1': true
-	    }
-	};
-
-	// solid, if somewhat uncommon surfaces with a high range of smoothness
-	var osmSemipavedTags = {
-	    'surface': {
-	        'cobblestone': true,
-	        'cobblestone:flattened': true,
-	        'unhewn_cobblestone': true,
-	        'sett': true,
-	        'paving_stones': true,
-	        'metal': true,
-	        'wood': true
-	    }
-	};
-
-	var osmRightSideIsInsideTags = {
-	    'natural': {
-	        'cliff': true,
-	        'coastline': 'coastline',
-	    },
-	    'barrier': {
-	        'retaining_wall': true,
-	        'kerb': true,
-	        'guard_rail': true,
-	        'city_wall': true,
-	    },
-	    'man_made': {
-	        'embankment': true
-	    },
-	    'waterway': {
-	        'weir': true
-	    }
-	};
-
-	// "highway" tag values for pedestrian or vehicle right-of-ways that make up the routable network
-	// (does not include `raceway`)
-	var osmRoutableHighwayTagValues = {
-	    motorway: true, trunk: true, primary: true, secondary: true, tertiary: true, residential: true,
-	    motorway_link: true, trunk_link: true, primary_link: true, secondary_link: true, tertiary_link: true,
-	    unclassified: true, road: true, service: true, track: true, living_street: true, bus_guideway: true,
-	    path: true, footway: true, cycleway: true, bridleway: true, pedestrian: true, corridor: true, steps: true
-	};
-	// "highway" tag values that generally do not allow motor vehicles
-	var osmPathHighwayTagValues = {
-	    path: true, footway: true, cycleway: true, bridleway: true, pedestrian: true, corridor: true, steps: true
-	};
-
-	// "railway" tag values representing existing railroad tracks (purposely does not include 'abandoned')
-	var osmRailwayTrackTagValues = {
-	    rail: true, light_rail: true, tram: true, subway: true,
-	    monorail: true, funicular: true, miniature: true, narrow_gauge: true,
-	    disused: true, preserved: true
-	};
-
-	// "waterway" tag values for line features representing water flow
-	var osmFlowingWaterwayTagValues = {
-	    canal: true, ditch: true, drain: true, fish_pass: true, river: true, stream: true, tidal_channel: true
-	};
-
-	// Adds floating point numbers with twice the normal precision.
-	// Reference: J. R. Shewchuk, Adaptive Precision Floating-Point Arithmetic and
-	// Fast Robust Geometric Predicates, Discrete & Computational Geometry 18(3)
-	// 305–363 (1997).
-	// Code adapted from GeographicLib by Charles F. F. Karney,
-	// http://geographiclib.sourceforge.net/
-
-	function adder() {
-	  return new Adder;
-	}
-
-	function Adder() {
-	  this.reset();
-	}
-
-	Adder.prototype = {
-	  constructor: Adder,
-	  reset: function() {
-	    this.s = // rounded value
-	    this.t = 0; // exact error
-	  },
-	  add: function(y) {
-	    add(temp, y, this.t);
-	    add(this, temp.s, this.s);
-	    if (this.s) this.t += temp.t;
-	    else this.s = temp.t;
-	  },
-	  valueOf: function() {
-	    return this.s;
-	  }
-	};
-
-	var temp = new Adder;
-
-	function add(adder, a, b) {
-	  var x = adder.s = a + b,
-	      bv = x - a,
-	      av = x - bv;
-	  adder.t = (a - av) + (b - bv);
-	}
-
-	var epsilon = 1e-6;
-	var epsilon2 = 1e-12;
-	var pi = Math.PI;
-	var halfPi = pi / 2;
-	var quarterPi = pi / 4;
-	var tau = pi * 2;
-
-	var degrees = 180 / pi;
-	var radians = pi / 180;
-
-	var abs$2 = Math.abs;
-	var atan = Math.atan;
-	var atan2 = Math.atan2;
-	var cos = Math.cos;
-	var exp = Math.exp;
-	var log = Math.log;
-	var sin = Math.sin;
-	var sign$2 = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; };
-	var sqrt = Math.sqrt;
-	var tan = Math.tan;
-
-	function acos(x) {
-	  return x > 1 ? 0 : x < -1 ? pi : Math.acos(x);
-	}
-
-	function asin(x) {
-	  return x > 1 ? halfPi : x < -1 ? -halfPi : Math.asin(x);
-	}
-
-	function noop$2() {}
-
-	function streamGeometry(geometry, stream) {
-	  if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) {
-	    streamGeometryType[geometry.type](geometry, stream);
-	  }
-	}
-
-	var streamObjectType = {
-	  Feature: function(object, stream) {
-	    streamGeometry(object.geometry, stream);
-	  },
-	  FeatureCollection: function(object, stream) {
-	    var features = object.features, i = -1, n = features.length;
-	    while (++i < n) streamGeometry(features[i].geometry, stream);
-	  }
-	};
-
-	var streamGeometryType = {
-	  Sphere: function(object, stream) {
-	    stream.sphere();
-	  },
-	  Point: function(object, stream) {
-	    object = object.coordinates;
-	    stream.point(object[0], object[1], object[2]);
-	  },
-	  MultiPoint: function(object, stream) {
-	    var coordinates = object.coordinates, i = -1, n = coordinates.length;
-	    while (++i < n) object = coordinates[i], stream.point(object[0], object[1], object[2]);
-	  },
-	  LineString: function(object, stream) {
-	    streamLine(object.coordinates, stream, 0);
-	  },
-	  MultiLineString: function(object, stream) {
-	    var coordinates = object.coordinates, i = -1, n = coordinates.length;
-	    while (++i < n) streamLine(coordinates[i], stream, 0);
-	  },
-	  Polygon: function(object, stream) {
-	    streamPolygon(object.coordinates, stream);
-	  },
-	  MultiPolygon: function(object, stream) {
-	    var coordinates = object.coordinates, i = -1, n = coordinates.length;
-	    while (++i < n) streamPolygon(coordinates[i], stream);
-	  },
-	  GeometryCollection: function(object, stream) {
-	    var geometries = object.geometries, i = -1, n = geometries.length;
-	    while (++i < n) streamGeometry(geometries[i], stream);
-	  }
-	};
-
-	function streamLine(coordinates, stream, closed) {
-	  var i = -1, n = coordinates.length - closed, coordinate;
-	  stream.lineStart();
-	  while (++i < n) coordinate = coordinates[i], stream.point(coordinate[0], coordinate[1], coordinate[2]);
-	  stream.lineEnd();
-	}
-
-	function streamPolygon(coordinates, stream) {
-	  var i = -1, n = coordinates.length;
-	  stream.polygonStart();
-	  while (++i < n) streamLine(coordinates[i], stream, 1);
-	  stream.polygonEnd();
-	}
-
-	function d3_geoStream(object, stream) {
-	  if (object && streamObjectType.hasOwnProperty(object.type)) {
-	    streamObjectType[object.type](object, stream);
-	  } else {
-	    streamGeometry(object, stream);
-	  }
-	}
-
-	var areaRingSum = adder();
-
-	var areaSum = adder(),
-	    lambda00,
-	    phi00,
-	    lambda0,
-	    cosPhi0,
-	    sinPhi0;
-
-	var areaStream = {
-	  point: noop$2,
-	  lineStart: noop$2,
-	  lineEnd: noop$2,
-	  polygonStart: function() {
-	    areaRingSum.reset();
-	    areaStream.lineStart = areaRingStart;
-	    areaStream.lineEnd = areaRingEnd;
-	  },
-	  polygonEnd: function() {
-	    var areaRing = +areaRingSum;
-	    areaSum.add(areaRing < 0 ? tau + areaRing : areaRing);
-	    this.lineStart = this.lineEnd = this.point = noop$2;
-	  },
-	  sphere: function() {
-	    areaSum.add(tau);
-	  }
-	};
-
-	function areaRingStart() {
-	  areaStream.point = areaPointFirst;
-	}
-
-	function areaRingEnd() {
-	  areaPoint(lambda00, phi00);
-	}
-
-	function areaPointFirst(lambda, phi) {
-	  areaStream.point = areaPoint;
-	  lambda00 = lambda, phi00 = phi;
-	  lambda *= radians, phi *= radians;
-	  lambda0 = lambda, cosPhi0 = cos(phi = phi / 2 + quarterPi), sinPhi0 = sin(phi);
-	}
-
-	function areaPoint(lambda, phi) {
-	  lambda *= radians, phi *= radians;
-	  phi = phi / 2 + quarterPi; // half the angular distance from south pole
-
-	  // Spherical excess E for a spherical triangle with vertices: south pole,
-	  // previous point, current point.  Uses a formula derived from Cagnoli’s
-	  // theorem.  See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2).
-	  var dLambda = lambda - lambda0,
-	      sdLambda = dLambda >= 0 ? 1 : -1,
-	      adLambda = sdLambda * dLambda,
-	      cosPhi = cos(phi),
-	      sinPhi = sin(phi),
-	      k = sinPhi0 * sinPhi,
-	      u = cosPhi0 * cosPhi + k * cos(adLambda),
-	      v = k * sdLambda * sin(adLambda);
-	  areaRingSum.add(atan2(v, u));
-
-	  // Advance the previous points.
-	  lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi;
-	}
-
-	function d3_geoArea(object) {
-	  areaSum.reset();
-	  d3_geoStream(object, areaStream);
-	  return areaSum * 2;
-	}
-
-	function spherical(cartesian) {
-	  return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])];
-	}
-
-	function cartesian(spherical) {
-	  var lambda = spherical[0], phi = spherical[1], cosPhi = cos(phi);
-	  return [cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)];
-	}
-
-	function cartesianDot(a, b) {
-	  return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
-	}
-
-	function cartesianCross(a, b) {
-	  return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]];
-	}
-
-	// TODO return a
-	function cartesianAddInPlace(a, b) {
-	  a[0] += b[0], a[1] += b[1], a[2] += b[2];
-	}
-
-	function cartesianScale(vector, k) {
-	  return [vector[0] * k, vector[1] * k, vector[2] * k];
-	}
-
-	// TODO return d
-	function cartesianNormalizeInPlace(d) {
-	  var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
-	  d[0] /= l, d[1] /= l, d[2] /= l;
-	}
-
-	var lambda0$1, phi0, lambda1, phi1, // bounds
-	    lambda2, // previous lambda-coordinate
-	    lambda00$1, phi00$1, // first point
-	    p0, // previous 3D point
-	    deltaSum = adder(),
-	    ranges,
-	    range;
-
-	var boundsStream = {
-	  point: boundsPoint,
-	  lineStart: boundsLineStart,
-	  lineEnd: boundsLineEnd,
-	  polygonStart: function() {
-	    boundsStream.point = boundsRingPoint;
-	    boundsStream.lineStart = boundsRingStart;
-	    boundsStream.lineEnd = boundsRingEnd;
-	    deltaSum.reset();
-	    areaStream.polygonStart();
-	  },
-	  polygonEnd: function() {
-	    areaStream.polygonEnd();
-	    boundsStream.point = boundsPoint;
-	    boundsStream.lineStart = boundsLineStart;
-	    boundsStream.lineEnd = boundsLineEnd;
-	    if (areaRingSum < 0) lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90);
-	    else if (deltaSum > epsilon) phi1 = 90;
-	    else if (deltaSum < -epsilon) phi0 = -90;
-	    range[0] = lambda0$1, range[1] = lambda1;
-	  },
-	  sphere: function() {
-	    lambda0$1 = -(lambda1 = 180), phi0 = -(phi1 = 90);
-	  }
-	};
-
-	function boundsPoint(lambda, phi) {
-	  ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]);
-	  if (phi < phi0) phi0 = phi;
-	  if (phi > phi1) phi1 = phi;
-	}
-
-	function linePoint(lambda, phi) {
-	  var p = cartesian([lambda * radians, phi * radians]);
-	  if (p0) {
-	    var normal = cartesianCross(p0, p),
-	        equatorial = [normal[1], -normal[0], 0],
-	        inflection = cartesianCross(equatorial, normal);
-	    cartesianNormalizeInPlace(inflection);
-	    inflection = spherical(inflection);
-	    var delta = lambda - lambda2,
-	        sign = delta > 0 ? 1 : -1,
-	        lambdai = inflection[0] * degrees * sign,
-	        phii,
-	        antimeridian = abs$2(delta) > 180;
-	    if (antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) {
-	      phii = inflection[1] * degrees;
-	      if (phii > phi1) phi1 = phii;
-	    } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign * lambda2 < lambdai && lambdai < sign * lambda)) {
-	      phii = -inflection[1] * degrees;
-	      if (phii < phi0) phi0 = phii;
-	    } else {
-	      if (phi < phi0) phi0 = phi;
-	      if (phi > phi1) phi1 = phi;
-	    }
-	    if (antimeridian) {
-	      if (lambda < lambda2) {
-	        if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda;
-	      } else {
-	        if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda;
-	      }
-	    } else {
-	      if (lambda1 >= lambda0$1) {
-	        if (lambda < lambda0$1) lambda0$1 = lambda;
-	        if (lambda > lambda1) lambda1 = lambda;
-	      } else {
-	        if (lambda > lambda2) {
-	          if (angle(lambda0$1, lambda) > angle(lambda0$1, lambda1)) lambda1 = lambda;
-	        } else {
-	          if (angle(lambda, lambda1) > angle(lambda0$1, lambda1)) lambda0$1 = lambda;
-	        }
-	      }
-	    }
-	  } else {
-	    ranges.push(range = [lambda0$1 = lambda, lambda1 = lambda]);
-	  }
-	  if (phi < phi0) phi0 = phi;
-	  if (phi > phi1) phi1 = phi;
-	  p0 = p, lambda2 = lambda;
-	}
-
-	function boundsLineStart() {
-	  boundsStream.point = linePoint;
-	}
-
-	function boundsLineEnd() {
-	  range[0] = lambda0$1, range[1] = lambda1;
-	  boundsStream.point = boundsPoint;
-	  p0 = null;
-	}
-
-	function boundsRingPoint(lambda, phi) {
-	  if (p0) {
-	    var delta = lambda - lambda2;
-	    deltaSum.add(abs$2(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta);
-	  } else {
-	    lambda00$1 = lambda, phi00$1 = phi;
-	  }
-	  areaStream.point(lambda, phi);
-	  linePoint(lambda, phi);
-	}
-
-	function boundsRingStart() {
-	  areaStream.lineStart();
-	}
-
-	function boundsRingEnd() {
-	  boundsRingPoint(lambda00$1, phi00$1);
-	  areaStream.lineEnd();
-	  if (abs$2(deltaSum) > epsilon) lambda0$1 = -(lambda1 = 180);
-	  range[0] = lambda0$1, range[1] = lambda1;
-	  p0 = null;
-	}
-
-	// Finds the left-right distance between two longitudes.
-	// This is almost the same as (lambda1 - lambda0 + 360°) % 360°, except that we want
-	// the distance between ±180° to be 360°.
-	function angle(lambda0, lambda1) {
-	  return (lambda1 -= lambda0) < 0 ? lambda1 + 360 : lambda1;
-	}
-
-	function rangeCompare(a, b) {
-	  return a[0] - b[0];
-	}
-
-	function rangeContains(range, x) {
-	  return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;
-	}
-
-	function d3_geoBounds(feature) {
-	  var i, n, a, b, merged, deltaMax, delta;
-
-	  phi1 = lambda1 = -(lambda0$1 = phi0 = Infinity);
-	  ranges = [];
-	  d3_geoStream(feature, boundsStream);
-
-	  // First, sort ranges by their minimum longitudes.
-	  if (n = ranges.length) {
-	    ranges.sort(rangeCompare);
-
-	    // Then, merge any ranges that overlap.
-	    for (i = 1, a = ranges[0], merged = [a]; i < n; ++i) {
-	      b = ranges[i];
-	      if (rangeContains(a, b[0]) || rangeContains(a, b[1])) {
-	        if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];
-	        if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];
-	      } else {
-	        merged.push(a = b);
-	      }
-	    }
-
-	    // Finally, find the largest gap between the merged ranges.
-	    // The final bounding box will be the inverse of this gap.
-	    for (deltaMax = -Infinity, n = merged.length - 1, i = 0, a = merged[n]; i <= n; a = b, ++i) {
-	      b = merged[i];
-	      if ((delta = angle(a[1], b[0])) > deltaMax) deltaMax = delta, lambda0$1 = b[0], lambda1 = a[1];
-	    }
-	  }
-
-	  ranges = range = null;
-
-	  return lambda0$1 === Infinity || phi0 === Infinity
-	      ? [[NaN, NaN], [NaN, NaN]]
-	      : [[lambda0$1, phi0], [lambda1, phi1]];
-	}
-
-	var W0, W1,
-	    X0, Y0, Z0,
-	    X1, Y1, Z1,
-	    X2, Y2, Z2,
-	    lambda00$2, phi00$2, // first point
-	    x0, y0, z0; // previous point
-
-	var centroidStream = {
-	  sphere: noop$2,
-	  point: centroidPoint,
-	  lineStart: centroidLineStart,
-	  lineEnd: centroidLineEnd,
-	  polygonStart: function() {
-	    centroidStream.lineStart = centroidRingStart;
-	    centroidStream.lineEnd = centroidRingEnd;
-	  },
-	  polygonEnd: function() {
-	    centroidStream.lineStart = centroidLineStart;
-	    centroidStream.lineEnd = centroidLineEnd;
-	  }
-	};
-
-	// Arithmetic mean of Cartesian vectors.
-	function centroidPoint(lambda, phi) {
-	  lambda *= radians, phi *= radians;
-	  var cosPhi = cos(phi);
-	  centroidPointCartesian(cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi));
-	}
-
-	function centroidPointCartesian(x, y, z) {
-	  ++W0;
-	  X0 += (x - X0) / W0;
-	  Y0 += (y - Y0) / W0;
-	  Z0 += (z - Z0) / W0;
-	}
-
-	function centroidLineStart() {
-	  centroidStream.point = centroidLinePointFirst;
-	}
-
-	function centroidLinePointFirst(lambda, phi) {
-	  lambda *= radians, phi *= radians;
-	  var cosPhi = cos(phi);
-	  x0 = cosPhi * cos(lambda);
-	  y0 = cosPhi * sin(lambda);
-	  z0 = sin(phi);
-	  centroidStream.point = centroidLinePoint;
-	  centroidPointCartesian(x0, y0, z0);
-	}
-
-	function centroidLinePoint(lambda, phi) {
-	  lambda *= radians, phi *= radians;
-	  var cosPhi = cos(phi),
-	      x = cosPhi * cos(lambda),
-	      y = cosPhi * sin(lambda),
-	      z = sin(phi),
-	      w = atan2(sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
-	  W1 += w;
-	  X1 += w * (x0 + (x0 = x));
-	  Y1 += w * (y0 + (y0 = y));
-	  Z1 += w * (z0 + (z0 = z));
-	  centroidPointCartesian(x0, y0, z0);
-	}
-
-	function centroidLineEnd() {
-	  centroidStream.point = centroidPoint;
-	}
-
-	// See J. E. Brock, The Inertia Tensor for a Spherical Triangle,
-	// J. Applied Mechanics 42, 239 (1975).
-	function centroidRingStart() {
-	  centroidStream.point = centroidRingPointFirst;
-	}
-
-	function centroidRingEnd() {
-	  centroidRingPoint(lambda00$2, phi00$2);
-	  centroidStream.point = centroidPoint;
-	}
-
-	function centroidRingPointFirst(lambda, phi) {
-	  lambda00$2 = lambda, phi00$2 = phi;
-	  lambda *= radians, phi *= radians;
-	  centroidStream.point = centroidRingPoint;
-	  var cosPhi = cos(phi);
-	  x0 = cosPhi * cos(lambda);
-	  y0 = cosPhi * sin(lambda);
-	  z0 = sin(phi);
-	  centroidPointCartesian(x0, y0, z0);
-	}
-
-	function centroidRingPoint(lambda, phi) {
-	  lambda *= radians, phi *= radians;
-	  var cosPhi = cos(phi),
-	      x = cosPhi * cos(lambda),
-	      y = cosPhi * sin(lambda),
-	      z = sin(phi),
-	      cx = y0 * z - z0 * y,
-	      cy = z0 * x - x0 * z,
-	      cz = x0 * y - y0 * x,
-	      m = sqrt(cx * cx + cy * cy + cz * cz),
-	      w = asin(m), // line weight = angle
-	      v = m && -w / m; // area weight multiplier
-	  X2 += v * cx;
-	  Y2 += v * cy;
-	  Z2 += v * cz;
-	  W1 += w;
-	  X1 += w * (x0 + (x0 = x));
-	  Y1 += w * (y0 + (y0 = y));
-	  Z1 += w * (z0 + (z0 = z));
-	  centroidPointCartesian(x0, y0, z0);
-	}
-
-	function d3_geoCentroid(object) {
-	  W0 = W1 =
-	  X0 = Y0 = Z0 =
-	  X1 = Y1 = Z1 =
-	  X2 = Y2 = Z2 = 0;
-	  d3_geoStream(object, centroidStream);
-
-	  var x = X2,
-	      y = Y2,
-	      z = Z2,
-	      m = x * x + y * y + z * z;
-
-	  // If the area-weighted ccentroid is undefined, fall back to length-weighted ccentroid.
-	  if (m < epsilon2) {
-	    x = X1, y = Y1, z = Z1;
-	    // If the feature has zero length, fall back to arithmetic mean of point vectors.
-	    if (W1 < epsilon) x = X0, y = Y0, z = Z0;
-	    m = x * x + y * y + z * z;
-	    // If the feature still has an undefined ccentroid, then return.
-	    if (m < epsilon2) return [NaN, NaN];
-	  }
-
-	  return [atan2(y, x) * degrees, asin(z / sqrt(m)) * degrees];
-	}
-
-	function compose(a, b) {
-
-	  function compose(x, y) {
-	    return x = a(x, y), b(x[0], x[1]);
-	  }
-
-	  if (a.invert && b.invert) compose.invert = function(x, y) {
-	    return x = b.invert(x, y), x && a.invert(x[0], x[1]);
-	  };
-
-	  return compose;
-	}
-
-	function rotationIdentity(lambda, phi) {
-	  return [abs$2(lambda) > pi ? lambda + Math.round(-lambda / tau) * tau : lambda, phi];
-	}
-
-	rotationIdentity.invert = rotationIdentity;
-
-	function rotateRadians(deltaLambda, deltaPhi, deltaGamma) {
-	  return (deltaLambda %= tau) ? (deltaPhi || deltaGamma ? compose(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma))
-	    : rotationLambda(deltaLambda))
-	    : (deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma)
-	    : rotationIdentity);
-	}
-
-	function forwardRotationLambda(deltaLambda) {
-	  return function(lambda, phi) {
-	    return lambda += deltaLambda, [lambda > pi ? lambda - tau : lambda < -pi ? lambda + tau : lambda, phi];
-	  };
-	}
-
-	function rotationLambda(deltaLambda) {
-	  var rotation = forwardRotationLambda(deltaLambda);
-	  rotation.invert = forwardRotationLambda(-deltaLambda);
-	  return rotation;
-	}
-
-	function rotationPhiGamma(deltaPhi, deltaGamma) {
-	  var cosDeltaPhi = cos(deltaPhi),
-	      sinDeltaPhi = sin(deltaPhi),
-	      cosDeltaGamma = cos(deltaGamma),
-	      sinDeltaGamma = sin(deltaGamma);
-
-	  function rotation(lambda, phi) {
-	    var cosPhi = cos(phi),
-	        x = cos(lambda) * cosPhi,
-	        y = sin(lambda) * cosPhi,
-	        z = sin(phi),
-	        k = z * cosDeltaPhi + x * sinDeltaPhi;
-	    return [
-	      atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi),
-	      asin(k * cosDeltaGamma + y * sinDeltaGamma)
-	    ];
-	  }
-
-	  rotation.invert = function(lambda, phi) {
-	    var cosPhi = cos(phi),
-	        x = cos(lambda) * cosPhi,
-	        y = sin(lambda) * cosPhi,
-	        z = sin(phi),
-	        k = z * cosDeltaGamma - y * sinDeltaGamma;
-	    return [
-	      atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi),
-	      asin(k * cosDeltaPhi - x * sinDeltaPhi)
-	    ];
-	  };
-
-	  return rotation;
-	}
-
-	function rotation(rotate) {
-	  rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0);
-
-	  function forward(coordinates) {
-	    coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians);
-	    return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates;
-	  }
-
-	  forward.invert = function(coordinates) {
-	    coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians);
-	    return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates;
-	  };
-
-	  return forward;
-	}
-
-	// Generates a circle centered at [0°, 0°], with a given radius and precision.
-	function circleStream(stream, radius, delta, direction, t0, t1) {
-	  if (!delta) return;
-	  var cosRadius = cos(radius),
-	      sinRadius = sin(radius),
-	      step = direction * delta;
-	  if (t0 == null) {
-	    t0 = radius + direction * tau;
-	    t1 = radius - step / 2;
-	  } else {
-	    t0 = circleRadius(cosRadius, t0);
-	    t1 = circleRadius(cosRadius, t1);
-	    if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau;
-	  }
-	  for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) {
-	    point = spherical([cosRadius, -sinRadius * cos(t), -sinRadius * sin(t)]);
-	    stream.point(point[0], point[1]);
-	  }
-	}
-
-	// Returns the signed angle of a cartesian point relative to [cosRadius, 0, 0].
-	function circleRadius(cosRadius, point) {
-	  point = cartesian(point), point[0] -= cosRadius;
-	  cartesianNormalizeInPlace(point);
-	  var radius = acos(-point[1]);
-	  return ((-point[2] < 0 ? -radius : radius) + tau - epsilon) % tau;
-	}
-
-	function clipBuffer() {
-	  var lines = [],
-	      line;
-	  return {
-	    point: function(x, y, m) {
-	      line.push([x, y, m]);
-	    },
-	    lineStart: function() {
-	      lines.push(line = []);
-	    },
-	    lineEnd: noop$2,
-	    rejoin: function() {
-	      if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
-	    },
-	    result: function() {
-	      var result = lines;
-	      lines = [];
-	      line = null;
-	      return result;
-	    }
-	  };
-	}
-
-	function pointEqual(a, b) {
-	  return abs$2(a[0] - b[0]) < epsilon && abs$2(a[1] - b[1]) < epsilon;
-	}
-
-	function Intersection(point, points, other, entry) {
-	  this.x = point;
-	  this.z = points;
-	  this.o = other; // another intersection
-	  this.e = entry; // is an entry?
-	  this.v = false; // visited
-	  this.n = this.p = null; // next & previous
-	}
-
-	// A generalized polygon clipping algorithm: given a polygon that has been cut
-	// into its visible line segments, and rejoins the segments by interpolating
-	// along the clip edge.
-	function clipRejoin(segments, compareIntersection, startInside, interpolate, stream) {
-	  var subject = [],
-	      clip = [],
-	      i,
-	      n;
-
-	  segments.forEach(function(segment) {
-	    if ((n = segment.length - 1) <= 0) return;
-	    var n, p0 = segment[0], p1 = segment[n], x;
-
-	    if (pointEqual(p0, p1)) {
-	      if (!p0[2] && !p1[2]) {
-	        stream.lineStart();
-	        for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]);
-	        stream.lineEnd();
-	        return;
-	      }
-	      // handle degenerate cases by moving the point
-	      p1[0] += 2 * epsilon;
-	    }
-
-	    subject.push(x = new Intersection(p0, segment, null, true));
-	    clip.push(x.o = new Intersection(p0, null, x, false));
-	    subject.push(x = new Intersection(p1, segment, null, false));
-	    clip.push(x.o = new Intersection(p1, null, x, true));
-	  });
-
-	  if (!subject.length) return;
-
-	  clip.sort(compareIntersection);
-	  link(subject);
-	  link(clip);
-
-	  for (i = 0, n = clip.length; i < n; ++i) {
-	    clip[i].e = startInside = !startInside;
-	  }
-
-	  var start = subject[0],
-	      points,
-	      point;
-
-	  while (1) {
-	    // Find first unvisited intersection.
-	    var current = start,
-	        isSubject = true;
-	    while (current.v) if ((current = current.n) === start) return;
-	    points = current.z;
-	    stream.lineStart();
-	    do {
-	      current.v = current.o.v = true;
-	      if (current.e) {
-	        if (isSubject) {
-	          for (i = 0, n = points.length; i < n; ++i) stream.point((point = points[i])[0], point[1]);
-	        } else {
-	          interpolate(current.x, current.n.x, 1, stream);
-	        }
-	        current = current.n;
-	      } else {
-	        if (isSubject) {
-	          points = current.p.z;
-	          for (i = points.length - 1; i >= 0; --i) stream.point((point = points[i])[0], point[1]);
-	        } else {
-	          interpolate(current.x, current.p.x, -1, stream);
-	        }
-	        current = current.p;
-	      }
-	      current = current.o;
-	      points = current.z;
-	      isSubject = !isSubject;
-	    } while (!current.v);
-	    stream.lineEnd();
-	  }
-	}
-
-	function link(array) {
-	  if (!(n = array.length)) return;
-	  var n,
-	      i = 0,
-	      a = array[0],
-	      b;
-	  while (++i < n) {
-	    a.n = b = array[i];
-	    b.p = a;
-	    a = b;
-	  }
-	  a.n = b = array[0];
-	  b.p = a;
-	}
-
-	var sum = adder();
-
-	function longitude(point) {
-	  if (abs$2(point[0]) <= pi)
-	    return point[0];
-	  else
-	    return sign$2(point[0]) * ((abs$2(point[0]) + pi) % tau - pi);
-	}
-
-	function polygonContains(polygon, point) {
-	  var lambda = longitude(point),
-	      phi = point[1],
-	      sinPhi = sin(phi),
-	      normal = [sin(lambda), -cos(lambda), 0],
-	      angle = 0,
-	      winding = 0;
-
-	  sum.reset();
-
-	  if (sinPhi === 1) phi = halfPi + epsilon;
-	  else if (sinPhi === -1) phi = -halfPi - epsilon;
-
-	  for (var i = 0, n = polygon.length; i < n; ++i) {
-	    if (!(m = (ring = polygon[i]).length)) continue;
-	    var ring,
-	        m,
-	        point0 = ring[m - 1],
-	        lambda0 = longitude(point0),
-	        phi0 = point0[1] / 2 + quarterPi,
-	        sinPhi0 = sin(phi0),
-	        cosPhi0 = cos(phi0);
-
-	    for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) {
-	      var point1 = ring[j],
-	          lambda1 = longitude(point1),
-	          phi1 = point1[1] / 2 + quarterPi,
-	          sinPhi1 = sin(phi1),
-	          cosPhi1 = cos(phi1),
-	          delta = lambda1 - lambda0,
-	          sign = delta >= 0 ? 1 : -1,
-	          absDelta = sign * delta,
-	          antimeridian = absDelta > pi,
-	          k = sinPhi0 * sinPhi1;
-
-	      sum.add(atan2(k * sign * sin(absDelta), cosPhi0 * cosPhi1 + k * cos(absDelta)));
-	      angle += antimeridian ? delta + sign * tau : delta;
-
-	      // Are the longitudes either side of the point’s meridian (lambda),
-	      // and are the latitudes smaller than the parallel (phi)?
-	      if (antimeridian ^ lambda0 >= lambda ^ lambda1 >= lambda) {
-	        var arc = cartesianCross(cartesian(point0), cartesian(point1));
-	        cartesianNormalizeInPlace(arc);
-	        var intersection = cartesianCross(normal, arc);
-	        cartesianNormalizeInPlace(intersection);
-	        var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]);
-	        if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) {
-	          winding += antimeridian ^ delta >= 0 ? 1 : -1;
-	        }
-	      }
-	    }
-	  }
-
-	  // First, determine whether the South pole is inside or outside:
-	  //
-	  // It is inside if:
-	  // * the polygon winds around it in a clockwise direction.
-	  // * the polygon does not (cumulatively) wind around it, but has a negative
-	  //   (counter-clockwise) area.
-	  //
-	  // Second, count the (signed) number of times a segment crosses a lambda
-	  // from the point to the South pole.  If it is zero, then the point is the
-	  // same side as the South pole.
-
-	  return (angle < -epsilon || angle < epsilon && sum < -epsilon) ^ (winding & 1);
-	}
-
-	function d3_ascending(a, b) {
-	  return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
-	}
-
-	function d3_bisector(compare) {
-	  if (compare.length === 1) compare = ascendingComparator(compare);
-	  return {
-	    left: function(a, x, lo, hi) {
-	      if (lo == null) lo = 0;
-	      if (hi == null) hi = a.length;
-	      while (lo < hi) {
-	        var mid = lo + hi >>> 1;
-	        if (compare(a[mid], x) < 0) lo = mid + 1;
-	        else hi = mid;
-	      }
-	      return lo;
-	    },
-	    right: function(a, x, lo, hi) {
-	      if (lo == null) lo = 0;
-	      if (hi == null) hi = a.length;
-	      while (lo < hi) {
-	        var mid = lo + hi >>> 1;
-	        if (compare(a[mid], x) > 0) hi = mid;
-	        else lo = mid + 1;
-	      }
-	      return lo;
-	    }
-	  };
-	}
-
-	function ascendingComparator(f) {
-	  return function(d, x) {
-	    return d3_ascending(f(d), x);
-	  };
-	}
-
-	var ascendingBisect = d3_bisector(d3_ascending);
-	var bisectRight = ascendingBisect.right;
-
-	function d3_descending(a, b) {
-	  return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
-	}
-
-	function number(x) {
-	  return x === null ? NaN : +x;
-	}
-
-	function range$1(start, stop, step) {
-	  start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step;
-
-	  var i = -1,
-	      n = Math.max(0, Math.ceil((stop - start) / step)) | 0,
-	      range = new Array(n);
-
-	  while (++i < n) {
-	    range[i] = start + i * step;
-	  }
-
-	  return range;
-	}
-
-	var e10 = Math.sqrt(50),
-	    e5 = Math.sqrt(10),
-	    e2 = Math.sqrt(2);
-
-	function ticks(start, stop, count) {
-	  var reverse,
-	      i = -1,
-	      n,
-	      ticks,
-	      step;
-
-	  stop = +stop, start = +start, count = +count;
-	  if (start === stop && count > 0) return [start];
-	  if (reverse = stop < start) n = start, start = stop, stop = n;
-	  if ((step = tickIncrement(start, stop, count)) === 0 || !isFinite(step)) return [];
-
-	  if (step > 0) {
-	    start = Math.ceil(start / step);
-	    stop = Math.floor(stop / step);
-	    ticks = new Array(n = Math.ceil(stop - start + 1));
-	    while (++i < n) ticks[i] = (start + i) * step;
-	  } else {
-	    start = Math.floor(start * step);
-	    stop = Math.ceil(stop * step);
-	    ticks = new Array(n = Math.ceil(start - stop + 1));
-	    while (++i < n) ticks[i] = (start - i) / step;
-	  }
-
-	  if (reverse) ticks.reverse();
-
-	  return ticks;
-	}
-
-	function tickIncrement(start, stop, count) {
-	  var step = (stop - start) / Math.max(0, count),
-	      power = Math.floor(Math.log(step) / Math.LN10),
-	      error = step / Math.pow(10, power);
-	  return power >= 0
-	      ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power)
-	      : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1);
-	}
-
-	function tickStep(start, stop, count) {
-	  var step0 = Math.abs(stop - start) / Math.max(0, count),
-	      step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)),
-	      error = step0 / step1;
-	  if (error >= e10) step1 *= 10;
-	  else if (error >= e5) step1 *= 5;
-	  else if (error >= e2) step1 *= 2;
-	  return stop < start ? -step1 : step1;
-	}
-
-	function threshold(values, p, valueof) {
-	  if (valueof == null) valueof = number;
-	  if (!(n = values.length)) return;
-	  if ((p = +p) <= 0 || n < 2) return +valueof(values[0], 0, values);
-	  if (p >= 1) return +valueof(values[n - 1], n - 1, values);
-	  var n,
-	      i = (n - 1) * p,
-	      i0 = Math.floor(i),
-	      value0 = +valueof(values[i0], i0, values),
-	      value1 = +valueof(values[i0 + 1], i0 + 1, values);
-	  return value0 + (value1 - value0) * (i - i0);
-	}
-
-	function d3_median(values, valueof) {
-	  var n = values.length,
-	      i = -1,
-	      value,
-	      numbers = [];
-
-	  if (valueof == null) {
-	    while (++i < n) {
-	      if (!isNaN(value = number(values[i]))) {
-	        numbers.push(value);
-	      }
-	    }
-	  }
-
-	  else {
-	    while (++i < n) {
-	      if (!isNaN(value = number(valueof(values[i], i, values)))) {
-	        numbers.push(value);
-	      }
-	    }
-	  }
-
-	  return threshold(numbers.sort(d3_ascending), 0.5);
-	}
-
-	function merge(arrays) {
-	  var n = arrays.length,
-	      m,
-	      i = -1,
-	      j = 0,
-	      merged,
-	      array;
-
-	  while (++i < n) j += arrays[i].length;
-	  merged = new Array(j);
-
-	  while (--n >= 0) {
-	    array = arrays[n];
-	    m = array.length;
-	    while (--m >= 0) {
-	      merged[--j] = array[m];
-	    }
-	  }
-
-	  return merged;
-	}
-
-	function clip(pointVisible, clipLine, interpolate, start) {
-	  return function(sink) {
-	    var line = clipLine(sink),
-	        ringBuffer = clipBuffer(),
-	        ringSink = clipLine(ringBuffer),
-	        polygonStarted = false,
-	        polygon,
-	        segments,
-	        ring;
-
-	    var clip = {
-	      point: point,
-	      lineStart: lineStart,
-	      lineEnd: lineEnd,
-	      polygonStart: function() {
-	        clip.point = pointRing;
-	        clip.lineStart = ringStart;
-	        clip.lineEnd = ringEnd;
-	        segments = [];
-	        polygon = [];
-	      },
-	      polygonEnd: function() {
-	        clip.point = point;
-	        clip.lineStart = lineStart;
-	        clip.lineEnd = lineEnd;
-	        segments = merge(segments);
-	        var startInside = polygonContains(polygon, start);
-	        if (segments.length) {
-	          if (!polygonStarted) sink.polygonStart(), polygonStarted = true;
-	          clipRejoin(segments, compareIntersection, startInside, interpolate, sink);
-	        } else if (startInside) {
-	          if (!polygonStarted) sink.polygonStart(), polygonStarted = true;
-	          sink.lineStart();
-	          interpolate(null, null, 1, sink);
-	          sink.lineEnd();
-	        }
-	        if (polygonStarted) sink.polygonEnd(), polygonStarted = false;
-	        segments = polygon = null;
-	      },
-	      sphere: function() {
-	        sink.polygonStart();
-	        sink.lineStart();
-	        interpolate(null, null, 1, sink);
-	        sink.lineEnd();
-	        sink.polygonEnd();
-	      }
-	    };
-
-	    function point(lambda, phi) {
-	      if (pointVisible(lambda, phi)) sink.point(lambda, phi);
-	    }
-
-	    function pointLine(lambda, phi) {
-	      line.point(lambda, phi);
-	    }
-
-	    function lineStart() {
-	      clip.point = pointLine;
-	      line.lineStart();
-	    }
-
-	    function lineEnd() {
-	      clip.point = point;
-	      line.lineEnd();
-	    }
-
-	    function pointRing(lambda, phi) {
-	      ring.push([lambda, phi]);
-	      ringSink.point(lambda, phi);
-	    }
-
-	    function ringStart() {
-	      ringSink.lineStart();
-	      ring = [];
-	    }
-
-	    function ringEnd() {
-	      pointRing(ring[0][0], ring[0][1]);
-	      ringSink.lineEnd();
-
-	      var clean = ringSink.clean(),
-	          ringSegments = ringBuffer.result(),
-	          i, n = ringSegments.length, m,
-	          segment,
-	          point;
-
-	      ring.pop();
-	      polygon.push(ring);
-	      ring = null;
-
-	      if (!n) return;
-
-	      // No intersections.
-	      if (clean & 1) {
-	        segment = ringSegments[0];
-	        if ((m = segment.length - 1) > 0) {
-	          if (!polygonStarted) sink.polygonStart(), polygonStarted = true;
-	          sink.lineStart();
-	          for (i = 0; i < m; ++i) sink.point((point = segment[i])[0], point[1]);
-	          sink.lineEnd();
-	        }
-	        return;
-	      }
-
-	      // Rejoin connected segments.
-	      // TODO reuse ringBuffer.rejoin()?
-	      if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
-
-	      segments.push(ringSegments.filter(validSegment));
-	    }
-
-	    return clip;
-	  };
-	}
-
-	function validSegment(segment) {
-	  return segment.length > 1;
-	}
-
-	// Intersections are sorted along the clip edge. For both antimeridian cutting
-	// and circle clipping, the same comparison is used.
-	function compareIntersection(a, b) {
-	  return ((a = a.x)[0] < 0 ? a[1] - halfPi - epsilon : halfPi - a[1])
-	       - ((b = b.x)[0] < 0 ? b[1] - halfPi - epsilon : halfPi - b[1]);
-	}
-
-	var clipAntimeridian = clip(
-	  function() { return true; },
-	  clipAntimeridianLine,
-	  clipAntimeridianInterpolate,
-	  [-pi, -halfPi]
-	);
-
-	// Takes a line and cuts into visible segments. Return values: 0 - there were
-	// intersections or the line was empty; 1 - no intersections; 2 - there were
-	// intersections, and the first and last segments should be rejoined.
-	function clipAntimeridianLine(stream) {
-	  var lambda0 = NaN,
-	      phi0 = NaN,
-	      sign0 = NaN,
-	      clean; // no intersections
-
-	  return {
-	    lineStart: function() {
-	      stream.lineStart();
-	      clean = 1;
-	    },
-	    point: function(lambda1, phi1) {
-	      var sign1 = lambda1 > 0 ? pi : -pi,
-	          delta = abs$2(lambda1 - lambda0);
-	      if (abs$2(delta - pi) < epsilon) { // line crosses a pole
-	        stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi : -halfPi);
-	        stream.point(sign0, phi0);
-	        stream.lineEnd();
-	        stream.lineStart();
-	        stream.point(sign1, phi0);
-	        stream.point(lambda1, phi0);
-	        clean = 0;
-	      } else if (sign0 !== sign1 && delta >= pi) { // line crosses antimeridian
-	        if (abs$2(lambda0 - sign0) < epsilon) lambda0 -= sign0 * epsilon; // handle degeneracies
-	        if (abs$2(lambda1 - sign1) < epsilon) lambda1 -= sign1 * epsilon;
-	        phi0 = clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1);
-	        stream.point(sign0, phi0);
-	        stream.lineEnd();
-	        stream.lineStart();
-	        stream.point(sign1, phi0);
-	        clean = 0;
-	      }
-	      stream.point(lambda0 = lambda1, phi0 = phi1);
-	      sign0 = sign1;
-	    },
-	    lineEnd: function() {
-	      stream.lineEnd();
-	      lambda0 = phi0 = NaN;
-	    },
-	    clean: function() {
-	      return 2 - clean; // if intersections, rejoin first and last segments
-	    }
-	  };
-	}
-
-	function clipAntimeridianIntersect(lambda0, phi0, lambda1, phi1) {
-	  var cosPhi0,
-	      cosPhi1,
-	      sinLambda0Lambda1 = sin(lambda0 - lambda1);
-	  return abs$2(sinLambda0Lambda1) > epsilon
-	      ? atan((sin(phi0) * (cosPhi1 = cos(phi1)) * sin(lambda1)
-	          - sin(phi1) * (cosPhi0 = cos(phi0)) * sin(lambda0))
-	          / (cosPhi0 * cosPhi1 * sinLambda0Lambda1))
-	      : (phi0 + phi1) / 2;
-	}
-
-	function clipAntimeridianInterpolate(from, to, direction, stream) {
-	  var phi;
-	  if (from == null) {
-	    phi = direction * halfPi;
-	    stream.point(-pi, phi);
-	    stream.point(0, phi);
-	    stream.point(pi, phi);
-	    stream.point(pi, 0);
-	    stream.point(pi, -phi);
-	    stream.point(0, -phi);
-	    stream.point(-pi, -phi);
-	    stream.point(-pi, 0);
-	    stream.point(-pi, phi);
-	  } else if (abs$2(from[0] - to[0]) > epsilon) {
-	    var lambda = from[0] < to[0] ? pi : -pi;
-	    phi = direction * lambda / 2;
-	    stream.point(-lambda, phi);
-	    stream.point(0, phi);
-	    stream.point(lambda, phi);
-	  } else {
-	    stream.point(to[0], to[1]);
-	  }
-	}
-
-	function clipCircle(radius) {
-	  var cr = cos(radius),
-	      delta = 6 * radians,
-	      smallRadius = cr > 0,
-	      notHemisphere = abs$2(cr) > epsilon; // TODO optimise for this common case
-
-	  function interpolate(from, to, direction, stream) {
-	    circleStream(stream, radius, delta, direction, from, to);
-	  }
-
-	  function visible(lambda, phi) {
-	    return cos(lambda) * cos(phi) > cr;
-	  }
-
-	  // Takes a line and cuts into visible segments. Return values used for polygon
-	  // clipping: 0 - there were intersections or the line was empty; 1 - no
-	  // intersections 2 - there were intersections, and the first and last segments
-	  // should be rejoined.
-	  function clipLine(stream) {
-	    var point0, // previous point
-	        c0, // code for previous point
-	        v0, // visibility of previous point
-	        v00, // visibility of first point
-	        clean; // no intersections
-	    return {
-	      lineStart: function() {
-	        v00 = v0 = false;
-	        clean = 1;
-	      },
-	      point: function(lambda, phi) {
-	        var point1 = [lambda, phi],
-	            point2,
-	            v = visible(lambda, phi),
-	            c = smallRadius
-	              ? v ? 0 : code(lambda, phi)
-	              : v ? code(lambda + (lambda < 0 ? pi : -pi), phi) : 0;
-	        if (!point0 && (v00 = v0 = v)) stream.lineStart();
-	        if (v !== v0) {
-	          point2 = intersect(point0, point1);
-	          if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2))
-	            point1[2] = 1;
-	        }
-	        if (v !== v0) {
-	          clean = 0;
-	          if (v) {
-	            // outside going in
-	            stream.lineStart();
-	            point2 = intersect(point1, point0);
-	            stream.point(point2[0], point2[1]);
-	          } else {
-	            // inside going out
-	            point2 = intersect(point0, point1);
-	            stream.point(point2[0], point2[1], 2);
-	            stream.lineEnd();
-	          }
-	          point0 = point2;
-	        } else if (notHemisphere && point0 && smallRadius ^ v) {
-	          var t;
-	          // If the codes for two points are different, or are both zero,
-	          // and there this segment intersects with the small circle.
-	          if (!(c & c0) && (t = intersect(point1, point0, true))) {
-	            clean = 0;
-	            if (smallRadius) {
-	              stream.lineStart();
-	              stream.point(t[0][0], t[0][1]);
-	              stream.point(t[1][0], t[1][1]);
-	              stream.lineEnd();
-	            } else {
-	              stream.point(t[1][0], t[1][1]);
-	              stream.lineEnd();
-	              stream.lineStart();
-	              stream.point(t[0][0], t[0][1], 3);
-	            }
-	          }
-	        }
-	        if (v && (!point0 || !pointEqual(point0, point1))) {
-	          stream.point(point1[0], point1[1]);
-	        }
-	        point0 = point1, v0 = v, c0 = c;
-	      },
-	      lineEnd: function() {
-	        if (v0) stream.lineEnd();
-	        point0 = null;
-	      },
-	      // Rejoin first and last segments if there were intersections and the first
-	      // and last points were visible.
-	      clean: function() {
-	        return clean | ((v00 && v0) << 1);
-	      }
-	    };
-	  }
-
-	  // Intersects the great circle between a and b with the clip circle.
-	  function intersect(a, b, two) {
-	    var pa = cartesian(a),
-	        pb = cartesian(b);
-
-	    // We have two planes, n1.p = d1 and n2.p = d2.
-	    // Find intersection line p(t) = c1 n1 + c2 n2 + t (n1 ⨯ n2).
-	    var n1 = [1, 0, 0], // normal
-	        n2 = cartesianCross(pa, pb),
-	        n2n2 = cartesianDot(n2, n2),
-	        n1n2 = n2[0], // cartesianDot(n1, n2),
-	        determinant = n2n2 - n1n2 * n1n2;
-
-	    // Two polar points.
-	    if (!determinant) return !two && a;
-
-	    var c1 =  cr * n2n2 / determinant,
-	        c2 = -cr * n1n2 / determinant,
-	        n1xn2 = cartesianCross(n1, n2),
-	        A = cartesianScale(n1, c1),
-	        B = cartesianScale(n2, c2);
-	    cartesianAddInPlace(A, B);
-
-	    // Solve |p(t)|^2 = 1.
-	    var u = n1xn2,
-	        w = cartesianDot(A, u),
-	        uu = cartesianDot(u, u),
-	        t2 = w * w - uu * (cartesianDot(A, A) - 1);
-
-	    if (t2 < 0) return;
-
-	    var t = sqrt(t2),
-	        q = cartesianScale(u, (-w - t) / uu);
-	    cartesianAddInPlace(q, A);
-	    q = spherical(q);
-
-	    if (!two) return q;
-
-	    // Two intersection points.
-	    var lambda0 = a[0],
-	        lambda1 = b[0],
-	        phi0 = a[1],
-	        phi1 = b[1],
-	        z;
-
-	    if (lambda1 < lambda0) z = lambda0, lambda0 = lambda1, lambda1 = z;
-
-	    var delta = lambda1 - lambda0,
-	        polar = abs$2(delta - pi) < epsilon,
-	        meridian = polar || delta < epsilon;
-
-	    if (!polar && phi1 < phi0) z = phi0, phi0 = phi1, phi1 = z;
-
-	    // Check that the first point is between a and b.
-	    if (meridian
-	        ? polar
-	          ? phi0 + phi1 > 0 ^ q[1] < (abs$2(q[0] - lambda0) < epsilon ? phi0 : phi1)
-	          : phi0 <= q[1] && q[1] <= phi1
-	        : delta > pi ^ (lambda0 <= q[0] && q[0] <= lambda1)) {
-	      var q1 = cartesianScale(u, (-w + t) / uu);
-	      cartesianAddInPlace(q1, A);
-	      return [q, spherical(q1)];
-	    }
-	  }
-
-	  // Generates a 4-bit vector representing the location of a point relative to
-	  // the small circle's bounding box.
-	  function code(lambda, phi) {
-	    var r = smallRadius ? radius : pi - radius,
-	        code = 0;
-	    if (lambda < -r) code |= 1; // left
-	    else if (lambda > r) code |= 2; // right
-	    if (phi < -r) code |= 4; // below
-	    else if (phi > r) code |= 8; // above
-	    return code;
-	  }
-
-	  return clip(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi, radius - pi]);
-	}
-
-	function clipLine(a, b, x0, y0, x1, y1) {
-	  var ax = a[0],
-	      ay = a[1],
-	      bx = b[0],
-	      by = b[1],
-	      t0 = 0,
-	      t1 = 1,
-	      dx = bx - ax,
-	      dy = by - ay,
-	      r;
-
-	  r = x0 - ax;
-	  if (!dx && r > 0) return;
-	  r /= dx;
-	  if (dx < 0) {
-	    if (r < t0) return;
-	    if (r < t1) t1 = r;
-	  } else if (dx > 0) {
-	    if (r > t1) return;
-	    if (r > t0) t0 = r;
-	  }
-
-	  r = x1 - ax;
-	  if (!dx && r < 0) return;
-	  r /= dx;
-	  if (dx < 0) {
-	    if (r > t1) return;
-	    if (r > t0) t0 = r;
-	  } else if (dx > 0) {
-	    if (r < t0) return;
-	    if (r < t1) t1 = r;
-	  }
-
-	  r = y0 - ay;
-	  if (!dy && r > 0) return;
-	  r /= dy;
-	  if (dy < 0) {
-	    if (r < t0) return;
-	    if (r < t1) t1 = r;
-	  } else if (dy > 0) {
-	    if (r > t1) return;
-	    if (r > t0) t0 = r;
-	  }
-
-	  r = y1 - ay;
-	  if (!dy && r < 0) return;
-	  r /= dy;
-	  if (dy < 0) {
-	    if (r > t1) return;
-	    if (r > t0) t0 = r;
-	  } else if (dy > 0) {
-	    if (r < t0) return;
-	    if (r < t1) t1 = r;
-	  }
-
-	  if (t0 > 0) a[0] = ax + t0 * dx, a[1] = ay + t0 * dy;
-	  if (t1 < 1) b[0] = ax + t1 * dx, b[1] = ay + t1 * dy;
-	  return true;
-	}
-
-	var clipMax = 1e9, clipMin = -clipMax;
-
-	// TODO Use d3-polygon’s polygonContains here for the ring check?
-	// TODO Eliminate duplicate buffering in clipBuffer and polygon.push?
-
-	function clipRectangle(x0, y0, x1, y1) {
-
-	  function visible(x, y) {
-	    return x0 <= x && x <= x1 && y0 <= y && y <= y1;
-	  }
-
-	  function interpolate(from, to, direction, stream) {
-	    var a = 0, a1 = 0;
-	    if (from == null
-	        || (a = corner(from, direction)) !== (a1 = corner(to, direction))
-	        || comparePoint(from, to) < 0 ^ direction > 0) {
-	      do stream.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
-	      while ((a = (a + direction + 4) % 4) !== a1);
-	    } else {
-	      stream.point(to[0], to[1]);
-	    }
-	  }
-
-	  function corner(p, direction) {
-	    return abs$2(p[0] - x0) < epsilon ? direction > 0 ? 0 : 3
-	        : abs$2(p[0] - x1) < epsilon ? direction > 0 ? 2 : 1
-	        : abs$2(p[1] - y0) < epsilon ? direction > 0 ? 1 : 0
-	        : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon
-	  }
-
-	  function compareIntersection(a, b) {
-	    return comparePoint(a.x, b.x);
-	  }
-
-	  function comparePoint(a, b) {
-	    var ca = corner(a, 1),
-	        cb = corner(b, 1);
-	    return ca !== cb ? ca - cb
-	        : ca === 0 ? b[1] - a[1]
-	        : ca === 1 ? a[0] - b[0]
-	        : ca === 2 ? a[1] - b[1]
-	        : b[0] - a[0];
-	  }
-
-	  return function(stream) {
-	    var activeStream = stream,
-	        bufferStream = clipBuffer(),
-	        segments,
-	        polygon,
-	        ring,
-	        x__, y__, v__, // first point
-	        x_, y_, v_, // previous point
-	        first,
-	        clean;
-
-	    var clipStream = {
-	      point: point,
-	      lineStart: lineStart,
-	      lineEnd: lineEnd,
-	      polygonStart: polygonStart,
-	      polygonEnd: polygonEnd
-	    };
-
-	    function point(x, y) {
-	      if (visible(x, y)) activeStream.point(x, y);
-	    }
-
-	    function polygonInside() {
-	      var winding = 0;
-
-	      for (var i = 0, n = polygon.length; i < n; ++i) {
-	        for (var ring = polygon[i], j = 1, m = ring.length, point = ring[0], a0, a1, b0 = point[0], b1 = point[1]; j < m; ++j) {
-	          a0 = b0, a1 = b1, point = ring[j], b0 = point[0], b1 = point[1];
-	          if (a1 <= y1) { if (b1 > y1 && (b0 - a0) * (y1 - a1) > (b1 - a1) * (x0 - a0)) ++winding; }
-	          else { if (b1 <= y1 && (b0 - a0) * (y1 - a1) < (b1 - a1) * (x0 - a0)) --winding; }
-	        }
-	      }
-
-	      return winding;
-	    }
-
-	    // Buffer geometry within a polygon and then clip it en masse.
-	    function polygonStart() {
-	      activeStream = bufferStream, segments = [], polygon = [], clean = true;
-	    }
-
-	    function polygonEnd() {
-	      var startInside = polygonInside(),
-	          cleanInside = clean && startInside,
-	          visible = (segments = merge(segments)).length;
-	      if (cleanInside || visible) {
-	        stream.polygonStart();
-	        if (cleanInside) {
-	          stream.lineStart();
-	          interpolate(null, null, 1, stream);
-	          stream.lineEnd();
-	        }
-	        if (visible) {
-	          clipRejoin(segments, compareIntersection, startInside, interpolate, stream);
-	        }
-	        stream.polygonEnd();
-	      }
-	      activeStream = stream, segments = polygon = ring = null;
-	    }
-
-	    function lineStart() {
-	      clipStream.point = linePoint;
-	      if (polygon) polygon.push(ring = []);
-	      first = true;
-	      v_ = false;
-	      x_ = y_ = NaN;
-	    }
-
-	    // TODO rather than special-case polygons, simply handle them separately.
-	    // Ideally, coincident intersection points should be jittered to avoid
-	    // clipping issues.
-	    function lineEnd() {
-	      if (segments) {
-	        linePoint(x__, y__);
-	        if (v__ && v_) bufferStream.rejoin();
-	        segments.push(bufferStream.result());
-	      }
-	      clipStream.point = point;
-	      if (v_) activeStream.lineEnd();
-	    }
-
-	    function linePoint(x, y) {
-	      var v = visible(x, y);
-	      if (polygon) ring.push([x, y]);
-	      if (first) {
-	        x__ = x, y__ = y, v__ = v;
-	        first = false;
-	        if (v) {
-	          activeStream.lineStart();
-	          activeStream.point(x, y);
-	        }
-	      } else {
-	        if (v && v_) activeStream.point(x, y);
-	        else {
-	          var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))],
-	              b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))];
-	          if (clipLine(a, b, x0, y0, x1, y1)) {
-	            if (!v_) {
-	              activeStream.lineStart();
-	              activeStream.point(a[0], a[1]);
-	            }
-	            activeStream.point(b[0], b[1]);
-	            if (!v) activeStream.lineEnd();
-	            clean = false;
-	          } else if (v) {
-	            activeStream.lineStart();
-	            activeStream.point(x, y);
-	            clean = false;
-	          }
-	        }
-	      }
-	      x_ = x, y_ = y, v_ = v;
-	    }
-
-	    return clipStream;
-	  };
-	}
-
-	var lengthSum = adder(),
-	    lambda0$2,
-	    sinPhi0$1,
-	    cosPhi0$1;
-
-	var lengthStream = {
-	  sphere: noop$2,
-	  point: noop$2,
-	  lineStart: lengthLineStart,
-	  lineEnd: noop$2,
-	  polygonStart: noop$2,
-	  polygonEnd: noop$2
-	};
-
-	function lengthLineStart() {
-	  lengthStream.point = lengthPointFirst;
-	  lengthStream.lineEnd = lengthLineEnd;
-	}
-
-	function lengthLineEnd() {
-	  lengthStream.point = lengthStream.lineEnd = noop$2;
-	}
-
-	function lengthPointFirst(lambda, phi) {
-	  lambda *= radians, phi *= radians;
-	  lambda0$2 = lambda, sinPhi0$1 = sin(phi), cosPhi0$1 = cos(phi);
-	  lengthStream.point = lengthPoint;
-	}
-
-	function lengthPoint(lambda, phi) {
-	  lambda *= radians, phi *= radians;
-	  var sinPhi = sin(phi),
-	      cosPhi = cos(phi),
-	      delta = abs$2(lambda - lambda0$2),
-	      cosDelta = cos(delta),
-	      sinDelta = sin(delta),
-	      x = cosPhi * sinDelta,
-	      y = cosPhi0$1 * sinPhi - sinPhi0$1 * cosPhi * cosDelta,
-	      z = sinPhi0$1 * sinPhi + cosPhi0$1 * cosPhi * cosDelta;
-	  lengthSum.add(atan2(sqrt(x * x + y * y), z));
-	  lambda0$2 = lambda, sinPhi0$1 = sinPhi, cosPhi0$1 = cosPhi;
-	}
-
-	function d3_geoLength(object) {
-	  lengthSum.reset();
-	  d3_geoStream(object, lengthStream);
-	  return +lengthSum;
-	}
-
-	function identity(x) {
-	  return x;
-	}
-
-	var areaSum$1 = adder(),
-	    areaRingSum$1 = adder(),
-	    x00,
-	    y00,
-	    x0$1,
-	    y0$1;
-
-	var areaStream$1 = {
-	  point: noop$2,
-	  lineStart: noop$2,
-	  lineEnd: noop$2,
-	  polygonStart: function() {
-	    areaStream$1.lineStart = areaRingStart$1;
-	    areaStream$1.lineEnd = areaRingEnd$1;
-	  },
-	  polygonEnd: function() {
-	    areaStream$1.lineStart = areaStream$1.lineEnd = areaStream$1.point = noop$2;
-	    areaSum$1.add(abs$2(areaRingSum$1));
-	    areaRingSum$1.reset();
-	  },
-	  result: function() {
-	    var area = areaSum$1 / 2;
-	    areaSum$1.reset();
-	    return area;
-	  }
-	};
-
-	function areaRingStart$1() {
-	  areaStream$1.point = areaPointFirst$1;
-	}
-
-	function areaPointFirst$1(x, y) {
-	  areaStream$1.point = areaPoint$1;
-	  x00 = x0$1 = x, y00 = y0$1 = y;
-	}
-
-	function areaPoint$1(x, y) {
-	  areaRingSum$1.add(y0$1 * x - x0$1 * y);
-	  x0$1 = x, y0$1 = y;
-	}
-
-	function areaRingEnd$1() {
-	  areaPoint$1(x00, y00);
-	}
-
-	var x0$2 = Infinity,
-	    y0$2 = x0$2,
-	    x1 = -x0$2,
-	    y1 = x1;
-
-	var boundsStream$1 = {
-	  point: boundsPoint$1,
-	  lineStart: noop$2,
-	  lineEnd: noop$2,
-	  polygonStart: noop$2,
-	  polygonEnd: noop$2,
-	  result: function() {
-	    var bounds = [[x0$2, y0$2], [x1, y1]];
-	    x1 = y1 = -(y0$2 = x0$2 = Infinity);
-	    return bounds;
-	  }
-	};
-
-	function boundsPoint$1(x, y) {
-	  if (x < x0$2) x0$2 = x;
-	  if (x > x1) x1 = x;
-	  if (y < y0$2) y0$2 = y;
-	  if (y > y1) y1 = y;
-	}
-
-	// TODO Enforce positive area for exterior, negative area for interior?
-
-	var X0$1 = 0,
-	    Y0$1 = 0,
-	    Z0$1 = 0,
-	    X1$1 = 0,
-	    Y1$1 = 0,
-	    Z1$1 = 0,
-	    X2$1 = 0,
-	    Y2$1 = 0,
-	    Z2$1 = 0,
-	    x00$1,
-	    y00$1,
-	    x0$3,
-	    y0$3;
-
-	var centroidStream$1 = {
-	  point: centroidPoint$1,
-	  lineStart: centroidLineStart$1,
-	  lineEnd: centroidLineEnd$1,
-	  polygonStart: function() {
-	    centroidStream$1.lineStart = centroidRingStart$1;
-	    centroidStream$1.lineEnd = centroidRingEnd$1;
-	  },
-	  polygonEnd: function() {
-	    centroidStream$1.point = centroidPoint$1;
-	    centroidStream$1.lineStart = centroidLineStart$1;
-	    centroidStream$1.lineEnd = centroidLineEnd$1;
-	  },
-	  result: function() {
-	    var centroid = Z2$1 ? [X2$1 / Z2$1, Y2$1 / Z2$1]
-	        : Z1$1 ? [X1$1 / Z1$1, Y1$1 / Z1$1]
-	        : Z0$1 ? [X0$1 / Z0$1, Y0$1 / Z0$1]
-	        : [NaN, NaN];
-	    X0$1 = Y0$1 = Z0$1 =
-	    X1$1 = Y1$1 = Z1$1 =
-	    X2$1 = Y2$1 = Z2$1 = 0;
-	    return centroid;
-	  }
-	};
-
-	function centroidPoint$1(x, y) {
-	  X0$1 += x;
-	  Y0$1 += y;
-	  ++Z0$1;
-	}
-
-	function centroidLineStart$1() {
-	  centroidStream$1.point = centroidPointFirstLine;
-	}
-
-	function centroidPointFirstLine(x, y) {
-	  centroidStream$1.point = centroidPointLine;
-	  centroidPoint$1(x0$3 = x, y0$3 = y);
-	}
-
-	function centroidPointLine(x, y) {
-	  var dx = x - x0$3, dy = y - y0$3, z = sqrt(dx * dx + dy * dy);
-	  X1$1 += z * (x0$3 + x) / 2;
-	  Y1$1 += z * (y0$3 + y) / 2;
-	  Z1$1 += z;
-	  centroidPoint$1(x0$3 = x, y0$3 = y);
-	}
-
-	function centroidLineEnd$1() {
-	  centroidStream$1.point = centroidPoint$1;
-	}
-
-	function centroidRingStart$1() {
-	  centroidStream$1.point = centroidPointFirstRing;
-	}
-
-	function centroidRingEnd$1() {
-	  centroidPointRing(x00$1, y00$1);
-	}
-
-	function centroidPointFirstRing(x, y) {
-	  centroidStream$1.point = centroidPointRing;
-	  centroidPoint$1(x00$1 = x0$3 = x, y00$1 = y0$3 = y);
-	}
-
-	function centroidPointRing(x, y) {
-	  var dx = x - x0$3,
-	      dy = y - y0$3,
-	      z = sqrt(dx * dx + dy * dy);
-
-	  X1$1 += z * (x0$3 + x) / 2;
-	  Y1$1 += z * (y0$3 + y) / 2;
-	  Z1$1 += z;
-
-	  z = y0$3 * x - x0$3 * y;
-	  X2$1 += z * (x0$3 + x);
-	  Y2$1 += z * (y0$3 + y);
-	  Z2$1 += z * 3;
-	  centroidPoint$1(x0$3 = x, y0$3 = y);
-	}
-
-	function PathContext(context) {
-	  this._context = context;
-	}
-
-	PathContext.prototype = {
-	  _radius: 4.5,
-	  pointRadius: function(_) {
-	    return this._radius = _, this;
-	  },
-	  polygonStart: function() {
-	    this._line = 0;
-	  },
-	  polygonEnd: function() {
-	    this._line = NaN;
-	  },
-	  lineStart: function() {
-	    this._point = 0;
-	  },
-	  lineEnd: function() {
-	    if (this._line === 0) this._context.closePath();
-	    this._point = NaN;
-	  },
-	  point: function(x, y) {
-	    switch (this._point) {
-	      case 0: {
-	        this._context.moveTo(x, y);
-	        this._point = 1;
-	        break;
-	      }
-	      case 1: {
-	        this._context.lineTo(x, y);
-	        break;
-	      }
-	      default: {
-	        this._context.moveTo(x + this._radius, y);
-	        this._context.arc(x, y, this._radius, 0, tau);
-	        break;
-	      }
-	    }
-	  },
-	  result: noop$2
-	};
-
-	var lengthSum$1 = adder(),
-	    lengthRing,
-	    x00$2,
-	    y00$2,
-	    x0$4,
-	    y0$4;
-
-	var lengthStream$1 = {
-	  point: noop$2,
-	  lineStart: function() {
-	    lengthStream$1.point = lengthPointFirst$1;
-	  },
-	  lineEnd: function() {
-	    if (lengthRing) lengthPoint$1(x00$2, y00$2);
-	    lengthStream$1.point = noop$2;
-	  },
-	  polygonStart: function() {
-	    lengthRing = true;
-	  },
-	  polygonEnd: function() {
-	    lengthRing = null;
-	  },
-	  result: function() {
-	    var length = +lengthSum$1;
-	    lengthSum$1.reset();
-	    return length;
-	  }
-	};
-
-	function lengthPointFirst$1(x, y) {
-	  lengthStream$1.point = lengthPoint$1;
-	  x00$2 = x0$4 = x, y00$2 = y0$4 = y;
-	}
-
-	function lengthPoint$1(x, y) {
-	  x0$4 -= x, y0$4 -= y;
-	  lengthSum$1.add(sqrt(x0$4 * x0$4 + y0$4 * y0$4));
-	  x0$4 = x, y0$4 = y;
-	}
-
-	function PathString() {
-	  this._string = [];
-	}
-
-	PathString.prototype = {
-	  _radius: 4.5,
-	  _circle: circle(4.5),
-	  pointRadius: function(_) {
-	    if ((_ = +_) !== this._radius) this._radius = _, this._circle = null;
-	    return this;
-	  },
-	  polygonStart: function() {
-	    this._line = 0;
-	  },
-	  polygonEnd: function() {
-	    this._line = NaN;
-	  },
-	  lineStart: function() {
-	    this._point = 0;
-	  },
-	  lineEnd: function() {
-	    if (this._line === 0) this._string.push("Z");
-	    this._point = NaN;
-	  },
-	  point: function(x, y) {
-	    switch (this._point) {
-	      case 0: {
-	        this._string.push("M", x, ",", y);
-	        this._point = 1;
-	        break;
-	      }
-	      case 1: {
-	        this._string.push("L", x, ",", y);
-	        break;
-	      }
-	      default: {
-	        if (this._circle == null) this._circle = circle(this._radius);
-	        this._string.push("M", x, ",", y, this._circle);
-	        break;
-	      }
-	    }
-	  },
-	  result: function() {
-	    if (this._string.length) {
-	      var result = this._string.join("");
-	      this._string = [];
-	      return result;
-	    } else {
-	      return null;
-	    }
-	  }
-	};
-
-	function circle(radius) {
-	  return "m0," + radius
-	      + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius
-	      + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius
-	      + "z";
-	}
-
-	function d3_geoPath(projection, context) {
-	  var pointRadius = 4.5,
-	      projectionStream,
-	      contextStream;
-
-	  function path(object) {
-	    if (object) {
-	      if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));
-	      d3_geoStream(object, projectionStream(contextStream));
-	    }
-	    return contextStream.result();
-	  }
-
-	  path.area = function(object) {
-	    d3_geoStream(object, projectionStream(areaStream$1));
-	    return areaStream$1.result();
-	  };
-
-	  path.measure = function(object) {
-	    d3_geoStream(object, projectionStream(lengthStream$1));
-	    return lengthStream$1.result();
-	  };
-
-	  path.bounds = function(object) {
-	    d3_geoStream(object, projectionStream(boundsStream$1));
-	    return boundsStream$1.result();
-	  };
-
-	  path.centroid = function(object) {
-	    d3_geoStream(object, projectionStream(centroidStream$1));
-	    return centroidStream$1.result();
-	  };
-
-	  path.projection = function(_) {
-	    return arguments.length ? (projectionStream = _ == null ? (projection = null, identity) : (projection = _).stream, path) : projection;
-	  };
-
-	  path.context = function(_) {
-	    if (!arguments.length) return context;
-	    contextStream = _ == null ? (context = null, new PathString) : new PathContext(context = _);
-	    if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
-	    return path;
-	  };
-
-	  path.pointRadius = function(_) {
-	    if (!arguments.length) return pointRadius;
-	    pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
-	    return path;
-	  };
-
-	  return path.projection(projection).context(context);
-	}
-
-	function d3_geoTransform(methods) {
-	  return {
-	    stream: transformer(methods)
-	  };
-	}
-
-	function transformer(methods) {
-	  return function(stream) {
-	    var s = new TransformStream;
-	    for (var key in methods) s[key] = methods[key];
-	    s.stream = stream;
-	    return s;
-	  };
-	}
-
-	function TransformStream() {}
-
-	TransformStream.prototype = {
-	  constructor: TransformStream,
-	  point: function(x, y) { this.stream.point(x, y); },
-	  sphere: function() { this.stream.sphere(); },
-	  lineStart: function() { this.stream.lineStart(); },
-	  lineEnd: function() { this.stream.lineEnd(); },
-	  polygonStart: function() { this.stream.polygonStart(); },
-	  polygonEnd: function() { this.stream.polygonEnd(); }
-	};
-
-	function fit(projection, fitBounds, object) {
-	  var clip = projection.clipExtent && projection.clipExtent();
-	  projection.scale(150).translate([0, 0]);
-	  if (clip != null) projection.clipExtent(null);
-	  d3_geoStream(object, projection.stream(boundsStream$1));
-	  fitBounds(boundsStream$1.result());
-	  if (clip != null) projection.clipExtent(clip);
-	  return projection;
-	}
-
-	function fitExtent(projection, extent, object) {
-	  return fit(projection, function(b) {
-	    var w = extent[1][0] - extent[0][0],
-	        h = extent[1][1] - extent[0][1],
-	        k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])),
-	        x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2,
-	        y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2;
-	    projection.scale(150 * k).translate([x, y]);
-	  }, object);
-	}
-
-	function fitSize(projection, size, object) {
-	  return fitExtent(projection, [[0, 0], size], object);
-	}
-
-	function fitWidth(projection, width, object) {
-	  return fit(projection, function(b) {
-	    var w = +width,
-	        k = w / (b[1][0] - b[0][0]),
-	        x = (w - k * (b[1][0] + b[0][0])) / 2,
-	        y = -k * b[0][1];
-	    projection.scale(150 * k).translate([x, y]);
-	  }, object);
-	}
-
-	function fitHeight(projection, height, object) {
-	  return fit(projection, function(b) {
-	    var h = +height,
-	        k = h / (b[1][1] - b[0][1]),
-	        x = -k * b[0][0],
-	        y = (h - k * (b[1][1] + b[0][1])) / 2;
-	    projection.scale(150 * k).translate([x, y]);
-	  }, object);
-	}
-
-	var maxDepth = 16, // maximum depth of subdivision
-	    cosMinDistance = cos(30 * radians); // cos(minimum angular distance)
-
-	function resample(project, delta2) {
-	  return +delta2 ? resample$1(project, delta2) : resampleNone(project);
-	}
-
-	function resampleNone(project) {
-	  return transformer({
-	    point: function(x, y) {
-	      x = project(x, y);
-	      this.stream.point(x[0], x[1]);
-	    }
-	  });
-	}
-
-	function resample$1(project, delta2) {
-
-	  function resampleLineTo(x0, y0, lambda0, a0, b0, c0, x1, y1, lambda1, a1, b1, c1, depth, stream) {
-	    var dx = x1 - x0,
-	        dy = y1 - y0,
-	        d2 = dx * dx + dy * dy;
-	    if (d2 > 4 * delta2 && depth--) {
-	      var a = a0 + a1,
-	          b = b0 + b1,
-	          c = c0 + c1,
-	          m = sqrt(a * a + b * b + c * c),
-	          phi2 = asin(c /= m),
-	          lambda2 = abs$2(abs$2(c) - 1) < epsilon || abs$2(lambda0 - lambda1) < epsilon ? (lambda0 + lambda1) / 2 : atan2(b, a),
-	          p = project(lambda2, phi2),
-	          x2 = p[0],
-	          y2 = p[1],
-	          dx2 = x2 - x0,
-	          dy2 = y2 - y0,
-	          dz = dy * dx2 - dx * dy2;
-	      if (dz * dz / d2 > delta2 // perpendicular projected distance
-	          || abs$2((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 // midpoint close to an end
-	          || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) { // angular distance
-	        resampleLineTo(x0, y0, lambda0, a0, b0, c0, x2, y2, lambda2, a /= m, b /= m, c, depth, stream);
-	        stream.point(x2, y2);
-	        resampleLineTo(x2, y2, lambda2, a, b, c, x1, y1, lambda1, a1, b1, c1, depth, stream);
-	      }
-	    }
-	  }
-	  return function(stream) {
-	    var lambda00, x00, y00, a00, b00, c00, // first point
-	        lambda0, x0, y0, a0, b0, c0; // previous point
-
-	    var resampleStream = {
-	      point: point,
-	      lineStart: lineStart,
-	      lineEnd: lineEnd,
-	      polygonStart: function() { stream.polygonStart(); resampleStream.lineStart = ringStart; },
-	      polygonEnd: function() { stream.polygonEnd(); resampleStream.lineStart = lineStart; }
-	    };
-
-	    function point(x, y) {
-	      x = project(x, y);
-	      stream.point(x[0], x[1]);
-	    }
-
-	    function lineStart() {
-	      x0 = NaN;
-	      resampleStream.point = linePoint;
-	      stream.lineStart();
-	    }
-
-	    function linePoint(lambda, phi) {
-	      var c = cartesian([lambda, phi]), p = project(lambda, phi);
-	      resampleLineTo(x0, y0, lambda0, a0, b0, c0, x0 = p[0], y0 = p[1], lambda0 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
-	      stream.point(x0, y0);
-	    }
-
-	    function lineEnd() {
-	      resampleStream.point = point;
-	      stream.lineEnd();
-	    }
-
-	    function ringStart() {
-	      lineStart();
-	      resampleStream.point = ringPoint;
-	      resampleStream.lineEnd = ringEnd;
-	    }
-
-	    function ringPoint(lambda, phi) {
-	      linePoint(lambda00 = lambda, phi), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
-	      resampleStream.point = linePoint;
-	    }
-
-	    function ringEnd() {
-	      resampleLineTo(x0, y0, lambda0, a0, b0, c0, x00, y00, lambda00, a00, b00, c00, maxDepth, stream);
-	      resampleStream.lineEnd = lineEnd;
-	      lineEnd();
-	    }
-
-	    return resampleStream;
-	  };
-	}
-
-	var transformRadians = transformer({
-	  point: function(x, y) {
-	    this.stream.point(x * radians, y * radians);
-	  }
-	});
-
-	function transformRotate(rotate) {
-	  return transformer({
-	    point: function(x, y) {
-	      var r = rotate(x, y);
-	      return this.stream.point(r[0], r[1]);
-	    }
-	  });
-	}
-
-	function scaleTranslate(k, dx, dy, sx, sy) {
-	  function transform(x, y) {
-	    x *= sx; y *= sy;
-	    return [dx + k * x, dy - k * y];
-	  }
-	  transform.invert = function(x, y) {
-	    return [(x - dx) / k * sx, (dy - y) / k * sy];
-	  };
-	  return transform;
-	}
-
-	function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) {
-	  var cosAlpha = cos(alpha),
-	      sinAlpha = sin(alpha),
-	      a = cosAlpha * k,
-	      b = sinAlpha * k,
-	      ai = cosAlpha / k,
-	      bi = sinAlpha / k,
-	      ci = (sinAlpha * dy - cosAlpha * dx) / k,
-	      fi = (sinAlpha * dx + cosAlpha * dy) / k;
-	  function transform(x, y) {
-	    x *= sx; y *= sy;
-	    return [a * x - b * y + dx, dy - b * x - a * y];
-	  }
-	  transform.invert = function(x, y) {
-	    return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)];
-	  };
-	  return transform;
-	}
-
-	function projection(project) {
-	  return projectionMutator(function() { return project; })();
-	}
-
-	function projectionMutator(projectAt) {
-	  var project,
-	      k = 150, // scale
-	      x = 480, y = 250, // translate
-	      lambda = 0, phi = 0, // center
-	      deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, // pre-rotate
-	      alpha = 0, // post-rotate angle
-	      sx = 1, // reflectX
-	      sy = 1, // reflectX
-	      theta = null, preclip = clipAntimeridian, // pre-clip angle
-	      x0 = null, y0, x1, y1, postclip = identity, // post-clip extent
-	      delta2 = 0.5, // precision
-	      projectResample,
-	      projectTransform,
-	      projectRotateTransform,
-	      cache,
-	      cacheStream;
-
-	  function projection(point) {
-	    return projectRotateTransform(point[0] * radians, point[1] * radians);
-	  }
-
-	  function invert(point) {
-	    point = projectRotateTransform.invert(point[0], point[1]);
-	    return point && [point[0] * degrees, point[1] * degrees];
-	  }
-
-	  projection.stream = function(stream) {
-	    return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream)))));
-	  };
-
-	  projection.preclip = function(_) {
-	    return arguments.length ? (preclip = _, theta = undefined, reset()) : preclip;
-	  };
-
-	  projection.postclip = function(_) {
-	    return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip;
-	  };
-
-	  projection.clipAngle = function(_) {
-	    return arguments.length ? (preclip = +_ ? clipCircle(theta = _ * radians) : (theta = null, clipAntimeridian), reset()) : theta * degrees;
-	  };
-
-	  projection.clipExtent = function(_) {
-	    return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];
-	  };
-
-	  projection.scale = function(_) {
-	    return arguments.length ? (k = +_, recenter()) : k;
-	  };
-
-	  projection.translate = function(_) {
-	    return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y];
-	  };
-
-	  projection.center = function(_) {
-	    return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees, phi * degrees];
-	  };
-
-	  projection.rotate = function(_) {
-	    return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees, deltaPhi * degrees, deltaGamma * degrees];
-	  };
-
-	  projection.angle = function(_) {
-	    return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees;
-	  };
-
-	  projection.reflectX = function(_) {
-	    return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0;
-	  };
-
-	  projection.reflectY = function(_) {
-	    return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0;
-	  };
-
-	  projection.precision = function(_) {
-	    return arguments.length ? (projectResample = resample(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2);
-	  };
-
-	  projection.fitExtent = function(extent, object) {
-	    return fitExtent(projection, extent, object);
-	  };
-
-	  projection.fitSize = function(size, object) {
-	    return fitSize(projection, size, object);
-	  };
-
-	  projection.fitWidth = function(width, object) {
-	    return fitWidth(projection, width, object);
-	  };
-
-	  projection.fitHeight = function(height, object) {
-	    return fitHeight(projection, height, object);
-	  };
-
-	  function recenter() {
-	    var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)),
-	        transform = (alpha ? scaleTranslateRotate : scaleTranslate)(k, x - center[0], y - center[1], sx, sy, alpha);
-	    rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma);
-	    projectTransform = compose(project, transform);
-	    projectRotateTransform = compose(rotate, projectTransform);
-	    projectResample = resample(projectTransform, delta2);
-	    return reset();
-	  }
-
-	  function reset() {
-	    cache = cacheStream = null;
-	    return projection;
-	  }
-
-	  return function() {
-	    project = projectAt.apply(this, arguments);
-	    projection.invert = project.invert && invert;
-	    return recenter();
-	  };
-	}
-
-	function mercatorRaw(lambda, phi) {
-	  return [lambda, log(tan((halfPi + phi) / 2))];
-	}
-
-	mercatorRaw.invert = function(x, y) {
-	  return [x, 2 * atan(exp(y)) - halfPi];
-	};
-
-	function mercator() {
-	  return mercatorProjection(mercatorRaw)
-	      .scale(961 / tau);
-	}
-
-	function mercatorProjection(project) {
-	  var m = projection(project),
-	      center = m.center,
-	      scale = m.scale,
-	      translate = m.translate,
-	      clipExtent = m.clipExtent,
-	      x0 = null, y0, x1, y1; // clip extent
-
-	  m.scale = function(_) {
-	    return arguments.length ? (scale(_), reclip()) : scale();
-	  };
-
-	  m.translate = function(_) {
-	    return arguments.length ? (translate(_), reclip()) : translate();
-	  };
-
-	  m.center = function(_) {
-	    return arguments.length ? (center(_), reclip()) : center();
-	  };
-
-	  m.clipExtent = function(_) {
-	    return arguments.length ? ((_ == null ? x0 = y0 = x1 = y1 = null : (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1])), reclip()) : x0 == null ? null : [[x0, y0], [x1, y1]];
-	  };
-
-	  function reclip() {
-	    var k = pi * scale(),
-	        t = m(rotation(m.rotate()).invert([0, 0]));
-	    return clipExtent(x0 == null
-	        ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw
-	        ? [[Math.max(t[0] - k, x0), y0], [Math.min(t[0] + k, x1), y1]]
-	        : [[x0, Math.max(t[1] - k, y0)], [x1, Math.min(t[1] + k, y1)]]);
-	  }
-
-	  return reclip();
-	}
-
-	function d3_geoIdentity() {
-	  var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, // scale, translate and reflect
-	      alpha = 0, ca, sa, // angle
-	      x0 = null, y0, x1, y1, // clip extent
-	      kx = 1, ky = 1,
-	      transform = transformer({
-	        point: function(x, y) {
-	          var p = projection([x, y]);
-	          this.stream.point(p[0], p[1]);
-	        }
-	      }),
-	      postclip = identity,
-	      cache,
-	      cacheStream;
-
-	  function reset() {
-	    kx = k * sx;
-	    ky = k * sy;
-	    cache = cacheStream = null;
-	    return projection;
-	  }
-
-	  function projection (p) {
-	    var x = p[0] * kx, y = p[1] * ky;
-	    if (alpha) {
-	      var t = y * ca - x * sa;
-	      x = x * ca + y * sa;
-	      y = t;
-	    }    
-	    return [x + tx, y + ty];
-	  }
-	  projection.invert = function(p) {
-	    var x = p[0] - tx, y = p[1] - ty;
-	    if (alpha) {
-	      var t = y * ca + x * sa;
-	      x = x * ca - y * sa;
-	      y = t;
-	    }
-	    return [x / kx, y / ky];
-	  };
-	  projection.stream = function(stream) {
-	    return cache && cacheStream === stream ? cache : cache = transform(postclip(cacheStream = stream));
-	  };
-	  projection.postclip = function(_) {
-	    return arguments.length ? (postclip = _, x0 = y0 = x1 = y1 = null, reset()) : postclip;
-	  };
-	  projection.clipExtent = function(_) {
-	    return arguments.length ? (postclip = _ == null ? (x0 = y0 = x1 = y1 = null, identity) : clipRectangle(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]), reset()) : x0 == null ? null : [[x0, y0], [x1, y1]];
-	  };
-	  projection.scale = function(_) {
-	    return arguments.length ? (k = +_, reset()) : k;
-	  };
-	  projection.translate = function(_) {
-	    return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty];
-	  };
-	  projection.angle = function(_) {
-	    return arguments.length ? (alpha = _ % 360 * radians, sa = sin(alpha), ca = cos(alpha), reset()) : alpha * degrees;
-	  };
-	  projection.reflectX = function(_) {
-	    return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0;
-	  };
-	  projection.reflectY = function(_) {
-	    return arguments.length ? (sy = _ ? -1 : 1, reset()) : sy < 0;
-	  };
-	  projection.fitExtent = function(extent, object) {
-	    return fitExtent(projection, extent, object);
-	  };
-	  projection.fitSize = function(size, object) {
-	    return fitSize(projection, size, object);
-	  };
-	  projection.fitWidth = function(width, object) {
-	    return fitWidth(projection, width, object);
-	  };
-	  projection.fitHeight = function(height, object) {
-	    return fitHeight(projection, height, object);
-	  };
-
-	  return projection;
-	}
-
-	// constants
-	var TAU = 2 * Math.PI;
-	var EQUATORIAL_RADIUS = 6356752.314245179;
-	var POLAR_RADIUS = 6378137.0;
-
-
-	function geoLatToMeters(dLat) {
-	    return dLat * (TAU * POLAR_RADIUS / 360);
-	}
-
-
-	function geoLonToMeters(dLon, atLat) {
-	    return Math.abs(atLat) >= 90 ? 0 :
-	        dLon * (TAU * EQUATORIAL_RADIUS / 360) * Math.abs(Math.cos(atLat * (Math.PI / 180)));
-	}
-
-
-	function geoMetersToLat(m) {
-	    return m / (TAU * POLAR_RADIUS / 360);
-	}
-
-
-	function geoMetersToLon(m, atLat) {
-	    return Math.abs(atLat) >= 90 ? 0 :
-	        m / (TAU * EQUATORIAL_RADIUS / 360) / Math.abs(Math.cos(atLat * (Math.PI / 180)));
-	}
-
-
-	function geoMetersToOffset(meters, tileSize) {
-	    tileSize = tileSize || 256;
-	    return [
-	        meters[0] * tileSize / (TAU * EQUATORIAL_RADIUS),
-	        -meters[1] * tileSize / (TAU * POLAR_RADIUS)
-	    ];
-	}
-
-
-	function geoOffsetToMeters(offset, tileSize) {
-	    tileSize = tileSize || 256;
-	    return [
-	        offset[0] * TAU * EQUATORIAL_RADIUS / tileSize,
-	        -offset[1] * TAU * POLAR_RADIUS / tileSize
-	    ];
-	}
-
-
-	// Equirectangular approximation of spherical distances on Earth
-	function geoSphericalDistance(a, b) {
-	    var x = geoLonToMeters(a[0] - b[0], (a[1] + b[1]) / 2);
-	    var y = geoLatToMeters(a[1] - b[1]);
-	    return Math.sqrt((x * x) + (y * y));
-	}
-
-
-	// scale to zoom
-	function geoScaleToZoom(k, tileSize) {
-	    tileSize = tileSize || 256;
-	    var log2ts = Math.log(tileSize) * Math.LOG2E;
-	    return Math.log(k * TAU) / Math.LN2 - log2ts;
-	}
-
-
-	// zoom to scale
-	function geoZoomToScale(z, tileSize) {
-	    tileSize = tileSize || 256;
-	    return tileSize * Math.pow(2, z) / TAU;
-	}
-
-
-	// returns info about the node from `nodes` closest to the given `point`
-	function geoSphericalClosestNode(nodes, point) {
-	    var minDistance = Infinity, distance;
-	    var indexOfMin;
-
-	    for (var i in nodes) {
-	        distance = geoSphericalDistance(nodes[i].loc, point);
-	        if (distance < minDistance) {
-	            minDistance = distance;
-	            indexOfMin = i;
-	        }
-	    }
-
-	    if (indexOfMin !== undefined) {
-	        return { index: indexOfMin, distance: minDistance, node: nodes[indexOfMin] };
-	    } else {
-	        return null;
-	    }
-	}
-
-	function geoExtent(min, max) {
-	    if (!(this instanceof geoExtent)) {
-	        return new geoExtent(min, max);
-	    } else if (min instanceof geoExtent) {
-	        return min;
-	    } else if (min && min.length === 2 && min[0].length === 2 && min[1].length === 2) {
-	        this[0] = min[0];
-	        this[1] = min[1];
-	    } else {
-	        this[0] = min        || [ Infinity,  Infinity];
-	        this[1] = max || min || [-Infinity, -Infinity];
-	    }
-	}
-
-	geoExtent.prototype = new Array(2);
-
-	Object.assign(geoExtent.prototype, {
-
-	    equals: function (obj) {
-	        return this[0][0] === obj[0][0] &&
-	            this[0][1] === obj[0][1] &&
-	            this[1][0] === obj[1][0] &&
-	            this[1][1] === obj[1][1];
-	    },
-
-
-	    extend: function(obj) {
-	        if (!(obj instanceof geoExtent)) obj = new geoExtent(obj);
-	        return geoExtent(
-	            [Math.min(obj[0][0], this[0][0]), Math.min(obj[0][1], this[0][1])],
-	            [Math.max(obj[1][0], this[1][0]), Math.max(obj[1][1], this[1][1])]
-	        );
-	    },
-
-
-	    _extend: function(extent) {
-	        this[0][0] = Math.min(extent[0][0], this[0][0]);
-	        this[0][1] = Math.min(extent[0][1], this[0][1]);
-	        this[1][0] = Math.max(extent[1][0], this[1][0]);
-	        this[1][1] = Math.max(extent[1][1], this[1][1]);
-	    },
-
-
-	    area: function() {
-	        return Math.abs((this[1][0] - this[0][0]) * (this[1][1] - this[0][1]));
-	    },
-
-
-	    center: function() {
-	        return [(this[0][0] + this[1][0]) / 2, (this[0][1] + this[1][1]) / 2];
-	    },
-
-
-	    rectangle: function() {
-	        return [this[0][0], this[0][1], this[1][0], this[1][1]];
-	    },
-
-
-	    bbox: function() {
-	        return { minX: this[0][0], minY: this[0][1], maxX: this[1][0], maxY: this[1][1] };
-	    },
-
-
-	    polygon: function() {
-	        return [
-	            [this[0][0], this[0][1]],
-	            [this[0][0], this[1][1]],
-	            [this[1][0], this[1][1]],
-	            [this[1][0], this[0][1]],
-	            [this[0][0], this[0][1]]
-	        ];
-	    },
-
-
-	    contains: function(obj) {
-	        if (!(obj instanceof geoExtent)) obj = new geoExtent(obj);
-	        return obj[0][0] >= this[0][0] &&
-	               obj[0][1] >= this[0][1] &&
-	               obj[1][0] <= this[1][0] &&
-	               obj[1][1] <= this[1][1];
-	    },
-
-
-	    intersects: function(obj) {
-	        if (!(obj instanceof geoExtent)) obj = new geoExtent(obj);
-	        return obj[0][0] <= this[1][0] &&
-	               obj[0][1] <= this[1][1] &&
-	               obj[1][0] >= this[0][0] &&
-	               obj[1][1] >= this[0][1];
-	    },
-
-
-	    intersection: function(obj) {
-	        if (!this.intersects(obj)) return new geoExtent();
-	        return new geoExtent(
-	            [Math.max(obj[0][0], this[0][0]), Math.max(obj[0][1], this[0][1])],
-	            [Math.min(obj[1][0], this[1][0]), Math.min(obj[1][1], this[1][1])]
-	        );
-	    },
-
-
-	    percentContainedIn: function(obj) {
-	        if (!(obj instanceof geoExtent)) obj = new geoExtent(obj);
-	        var a1 = this.intersection(obj).area();
-	        var a2 = this.area();
-
-	        if (a1 === Infinity || a2 === Infinity) {
-	            return 0;
-	        } else if (a1 === 0 || a2 === 0) {
-	            if (obj.contains(this)) {
-	                return 1;
-	            }
-	            return 0;
-	        } else {
-	            return a1 / a2;
-	        }
-	    },
-
-
-	    padByMeters: function(meters) {
-	        var dLat = geoMetersToLat(meters);
-	        var dLon = geoMetersToLon(meters, this.center()[1]);
-	        return geoExtent(
-	            [this[0][0] - dLon, this[0][1] - dLat],
-	            [this[1][0] + dLon, this[1][1] + dLat]
-	        );
-	    },
-
-
-	    toParam: function() {
-	        return this.rectangle().join(',');
-	    }
-
-	});
-
-	function d3_polygonArea(polygon) {
-	  var i = -1,
-	      n = polygon.length,
-	      a,
-	      b = polygon[n - 1],
-	      area = 0;
-
-	  while (++i < n) {
-	    a = b;
-	    b = polygon[i];
-	    area += a[1] * b[0] - a[0] * b[1];
-	  }
-
-	  return area / 2;
-	}
-
-	function d3_polygonCentroid(polygon) {
-	  var i = -1,
-	      n = polygon.length,
-	      x = 0,
-	      y = 0,
-	      a,
-	      b = polygon[n - 1],
-	      c,
-	      k = 0;
-
-	  while (++i < n) {
-	    a = b;
-	    b = polygon[i];
-	    k += c = a[0] * b[1] - b[0] * a[1];
-	    x += (a[0] + b[0]) * c;
-	    y += (a[1] + b[1]) * c;
-	  }
-
-	  return k *= 3, [x / k, y / k];
-	}
-
-	// Returns the 2D cross product of AB and AC vectors, i.e., the z-component of
-	// the 3D cross product in a quadrant I Cartesian coordinate system (+x is
-	// right, +y is up). Returns a positive value if ABC is counter-clockwise,
-	// negative if clockwise, and zero if the points are collinear.
-	function cross(a, b, c) {
-	  return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
-	}
-
-	function lexicographicOrder(a, b) {
-	  return a[0] - b[0] || a[1] - b[1];
-	}
-
-	// Computes the upper convex hull per the monotone chain algorithm.
-	// Assumes points.length >= 3, is sorted by x, unique in y.
-	// Returns an array of indices into points in left-to-right order.
-	function computeUpperHullIndexes(points) {
-	  var n = points.length,
-	      indexes = [0, 1],
-	      size = 2;
-
-	  for (var i = 2; i < n; ++i) {
-	    while (size > 1 && cross(points[indexes[size - 2]], points[indexes[size - 1]], points[i]) <= 0) --size;
-	    indexes[size++] = i;
-	  }
-
-	  return indexes.slice(0, size); // remove popped points
-	}
-
-	function d3_polygonHull(points) {
-	  if ((n = points.length) < 3) return null;
-
-	  var i,
-	      n,
-	      sortedPoints = new Array(n),
-	      flippedPoints = new Array(n);
-
-	  for (i = 0; i < n; ++i) sortedPoints[i] = [+points[i][0], +points[i][1], i];
-	  sortedPoints.sort(lexicographicOrder);
-	  for (i = 0; i < n; ++i) flippedPoints[i] = [sortedPoints[i][0], -sortedPoints[i][1]];
-
-	  var upperIndexes = computeUpperHullIndexes(sortedPoints),
-	      lowerIndexes = computeUpperHullIndexes(flippedPoints);
-
-	  // Construct the hull polygon, removing possible duplicate endpoints.
-	  var skipLeft = lowerIndexes[0] === upperIndexes[0],
-	      skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1],
-	      hull = [];
-
-	  // Add upper hull in right-to-l order.
-	  // Then add lower hull in left-to-right order.
-	  for (i = upperIndexes.length - 1; i >= 0; --i) hull.push(points[sortedPoints[upperIndexes[i]][2]]);
-	  for (i = +skipLeft; i < lowerIndexes.length - skipRight; ++i) hull.push(points[sortedPoints[lowerIndexes[i]][2]]);
-
-	  return hull;
-	}
-
-	// vector equals
-	function geoVecEqual(a, b, epsilon) {
-	    if (epsilon) {
-	        return (Math.abs(a[0] - b[0]) <= epsilon) && (Math.abs(a[1] - b[1]) <= epsilon);
-	    } else {
-	        return (a[0] === b[0]) && (a[1] === b[1]);
-	    }
-	}
-
-	// vector addition
-	function geoVecAdd(a, b) {
-	    return [ a[0] + b[0], a[1] + b[1] ];
-	}
-
-	// vector subtraction
-	function geoVecSubtract(a, b) {
-	    return [ a[0] - b[0], a[1] - b[1] ];
-	}
-
-	// vector scaling
-	function geoVecScale(a, mag) {
-	    return [ a[0] * mag, a[1] * mag ];
-	}
-
-	// vector rounding (was: geoRoundCoordinates)
-	function geoVecFloor(a) {
-	    return [ Math.floor(a[0]), Math.floor(a[1]) ];
-	}
-
-	// linear interpolation
-	function geoVecInterp(a, b, t) {
-	    return [
-	        a[0] + (b[0] - a[0]) * t,
-	        a[1] + (b[1] - a[1]) * t
-	    ];
-	}
-
-	// http://jsperf.com/id-dist-optimization
-	function geoVecLength(a, b) {
-	    return Math.sqrt(geoVecLengthSquare(a,b));
-	}
-
-	// length of vector raised to the power two
-	function geoVecLengthSquare(a, b) {
-	    b = b || [0, 0];
-	    var x = a[0] - b[0];
-	    var y = a[1] - b[1];
-	    return (x * x) + (y * y);
-	}
-
-	// get a unit vector
-	function geoVecNormalize(a) {
-	    var length = Math.sqrt((a[0] * a[0]) + (a[1] * a[1]));
-	    if (length !== 0) {
-	        return geoVecScale(a, 1 / length);
-	    }
-	    return [0, 0];
-	}
-
-	// Return the counterclockwise angle in the range (-pi, pi)
-	// between the positive X axis and the line intersecting a and b.
-	function geoVecAngle(a, b) {
-	    return Math.atan2(b[1] - a[1], b[0] - a[0]);
-	}
-
-	// dot product
-	function geoVecDot(a, b, origin) {
-	    origin = origin || [0, 0];
-	    var p = geoVecSubtract(a, origin);
-	    var q = geoVecSubtract(b, origin);
-	    return (p[0]) * (q[0]) + (p[1]) * (q[1]);
-	}
-
-	// normalized dot product
-	function geoVecNormalizedDot(a, b, origin) {
-	    origin = origin || [0, 0];
-	    var p = geoVecNormalize(geoVecSubtract(a, origin));
-	    var q = geoVecNormalize(geoVecSubtract(b, origin));
-	    return geoVecDot(p, q);
-	}
-
-	// 2D cross product of OA and OB vectors, returns magnitude of Z vector
-	// Returns a positive value, if OAB makes a counter-clockwise turn,
-	// negative for clockwise turn, and zero if the points are collinear.
-	function geoVecCross(a, b, origin) {
-	    origin = origin || [0, 0];
-	    var p = geoVecSubtract(a, origin);
-	    var q = geoVecSubtract(b, origin);
-	    return (p[0]) * (q[1]) - (p[1]) * (q[0]);
-	}
-
-
-	// find closest orthogonal projection of point onto points array
-	function geoVecProject(a, points) {
-	    var min = Infinity;
-	    var idx;
-	    var target;
-
-	    for (var i = 0; i < points.length - 1; i++) {
-	        var o = points[i];
-	        var s = geoVecSubtract(points[i + 1], o);
-	        var v = geoVecSubtract(a, o);
-	        var proj = geoVecDot(v, s) / geoVecDot(s, s);
-	        var p;
-
-	        if (proj < 0) {
-	            p = o;
-	        } else if (proj > 1) {
-	            p = points[i + 1];
-	        } else {
-	            p = [o[0] + proj * s[0], o[1] + proj * s[1]];
-	        }
-
-	        var dist = geoVecLength(p, a);
-	        if (dist < min) {
-	            min = dist;
-	            idx = i + 1;
-	            target = p;
-	        }
-	    }
-
-	    if (idx !== undefined) {
-	        return { index: idx, distance: min, target: target };
-	    } else {
-	        return null;
-	    }
-	}
-
-	// Return the counterclockwise angle in the range (-pi, pi)
-	// between the positive X axis and the line intersecting a and b.
-	function geoAngle(a, b, projection) {
-	    return geoVecAngle(projection(a.loc), projection(b.loc));
-	}
-
-
-	function geoEdgeEqual(a, b) {
-	    return (a[0] === b[0] && a[1] === b[1]) ||
-	        (a[0] === b[1] && a[1] === b[0]);
-	}
-
-
-	// Rotate all points counterclockwise around a pivot point by given angle
-	function geoRotate(points, angle, around) {
-	    return points.map(function(point) {
-	        var radial = geoVecSubtract(point, around);
-	        return [
-	            radial[0] * Math.cos(angle) - radial[1] * Math.sin(angle) + around[0],
-	            radial[0] * Math.sin(angle) + radial[1] * Math.cos(angle) + around[1]
-	        ];
-	    });
-	}
-
-
-	// Choose the edge with the minimal distance from `point` to its orthogonal
-	// projection onto that edge, if such a projection exists, or the distance to
-	// the closest vertex on that edge. Returns an object with the `index` of the
-	// chosen edge, the chosen `loc` on that edge, and the `distance` to to it.
-	function geoChooseEdge(nodes, point, projection, activeID) {
-	    var dist = geoVecLength;
-	    var points = nodes.map(function(n) { return projection(n.loc); });
-	    var ids = nodes.map(function(n) { return n.id; });
-	    var min = Infinity;
-	    var idx;
-	    var loc;
-
-	    for (var i = 0; i < points.length - 1; i++) {
-	        if (ids[i] === activeID || ids[i + 1] === activeID) continue;
-
-	        var o = points[i];
-	        var s = geoVecSubtract(points[i + 1], o);
-	        var v = geoVecSubtract(point, o);
-	        var proj = geoVecDot(v, s) / geoVecDot(s, s);
-	        var p;
-
-	        if (proj < 0) {
-	            p = o;
-	        } else if (proj > 1) {
-	            p = points[i + 1];
-	        } else {
-	            p = [o[0] + proj * s[0], o[1] + proj * s[1]];
-	        }
-
-	        var d = dist(p, point);
-	        if (d < min) {
-	            min = d;
-	            idx = i + 1;
-	            loc = projection.invert(p);
-	        }
-	    }
-
-	    if (idx !== undefined) {
-	        return { index: idx, distance: min, loc: loc };
-	    } else {
-	        return null;
-	    }
-	}
-
-
-	// Test active (dragged or drawing) segments against inactive segments
-	// This is used to test e.g. multipolygon rings that cross
-	// `activeNodes` is the ring containing the activeID being dragged.
-	// `inactiveNodes` is the other ring to test against
-	function geoHasLineIntersections(activeNodes, inactiveNodes, activeID) {
-	    var actives = [];
-	    var inactives = [];
-	    var j, k, n1, n2, segment;
-
-	    // gather active segments (only segments in activeNodes that contain the activeID)
-	    for (j = 0; j < activeNodes.length - 1; j++) {
-	        n1 = activeNodes[j];
-	        n2 = activeNodes[j+1];
-	        segment = [n1.loc, n2.loc];
-	        if (n1.id === activeID || n2.id === activeID) {
-	            actives.push(segment);
-	        }
-	    }
-
-	    // gather inactive segments
-	    for (j = 0; j < inactiveNodes.length - 1; j++) {
-	        n1 = inactiveNodes[j];
-	        n2 = inactiveNodes[j+1];
-	        segment = [n1.loc, n2.loc];
-	        inactives.push(segment);
-	    }
-
-	    // test
-	    for (j = 0; j < actives.length; j++) {
-	        for (k = 0; k < inactives.length; k++) {
-	            var p = actives[j];
-	            var q = inactives[k];
-	            var hit = geoLineIntersection(p, q);
-	            if (hit) {
-	                return true;
-	            }
-	        }
-	    }
-
-	    return false;
-	}
-
-
-	// Test active (dragged or drawing) segments against inactive segments
-	// This is used to test whether a way intersects with itself.
-	function geoHasSelfIntersections(nodes, activeID) {
-	    var actives = [];
-	    var inactives = [];
-	    var j, k;
-
-	    // group active and passive segments along the nodes
-	    for (j = 0; j < nodes.length - 1; j++) {
-	        var n1 = nodes[j];
-	        var n2 = nodes[j+1];
-	        var segment = [n1.loc, n2.loc];
-	        if (n1.id === activeID || n2.id === activeID) {
-	            actives.push(segment);
-	        } else {
-	            inactives.push(segment);
-	        }
-	    }
-
-	    // test
-	    for (j = 0; j < actives.length; j++) {
-	        for (k = 0; k < inactives.length; k++) {
-	            var p = actives[j];
-	            var q = inactives[k];
-	            // skip if segments share an endpoint
-	            if (geoVecEqual(p[1], q[0]) || geoVecEqual(p[0], q[1]) ||
-	                geoVecEqual(p[0], q[0]) || geoVecEqual(p[1], q[1]) ) {
-	                continue;
-	            }
-
-	            var hit = geoLineIntersection(p, q);
-	            if (hit) {
-	                var epsilon = 1e-8;
-	                // skip if the hit is at the segment's endpoint
-	                if (geoVecEqual(p[1], hit, epsilon) || geoVecEqual(p[0], hit, epsilon) ||
-	                    geoVecEqual(q[1], hit, epsilon) || geoVecEqual(q[0], hit, epsilon) ) {
-	                    continue;
-	                } else {
-	                    return true;
-	                }
-	            }
-	        }
-	    }
-
-	    return false;
-	}
-
-
-	// Return the intersection point of 2 line segments.
-	// From https://github.com/pgkelley4/line-segments-intersect
-	// This uses the vector cross product approach described below:
-	//  http://stackoverflow.com/a/565282/786339
-	function geoLineIntersection(a, b) {
-	    var p = [a[0][0], a[0][1]];
-	    var p2 = [a[1][0], a[1][1]];
-	    var q = [b[0][0], b[0][1]];
-	    var q2 = [b[1][0], b[1][1]];
-	    var r = geoVecSubtract(p2, p);
-	    var s = geoVecSubtract(q2, q);
-	    var uNumerator = geoVecCross(geoVecSubtract(q, p), r);
-	    var denominator = geoVecCross(r, s);
-
-	    if (uNumerator && denominator) {
-	        var u = uNumerator / denominator;
-	        var t = geoVecCross(geoVecSubtract(q, p), s) / denominator;
-
-	        if ((t >= 0) && (t <= 1) && (u >= 0) && (u <= 1)) {
-	            return geoVecInterp(p, p2, t);
-	        }
-	    }
-
-	    return null;
-	}
-
-
-	function geoPathIntersections(path1, path2) {
-	    var intersections = [];
-	    for (var i = 0; i < path1.length - 1; i++) {
-	        for (var j = 0; j < path2.length - 1; j++) {
-	            var a = [ path1[i], path1[i+1] ];
-	            var b = [ path2[j], path2[j+1] ];
-	            var hit = geoLineIntersection(a, b);
-	            if (hit) {
-	                intersections.push(hit);
-	            }
-	        }
-	    }
-	    return intersections;
-	}
-
-	function geoPathHasIntersections(path1, path2) {
-	    for (var i = 0; i < path1.length - 1; i++) {
-	        for (var j = 0; j < path2.length - 1; j++) {
-	            var a = [ path1[i], path1[i+1] ];
-	            var b = [ path2[j], path2[j+1] ];
-	            var hit = geoLineIntersection(a, b);
-	            if (hit) {
-	                return true;
-	            }
-	        }
-	    }
-	    return false;
-	}
-
-
-	// Return whether point is contained in polygon.
-	//
-	// `point` should be a 2-item array of coordinates.
-	// `polygon` should be an array of 2-item arrays of coordinates.
-	//
-	// From https://github.com/substack/point-in-polygon.
-	// ray-casting algorithm based on
-	// http://www.ecse.rpi.edu/Homepages/wrf/Research/Short_Notes/pnpoly.html
-	//
-	function geoPointInPolygon(point, polygon) {
-	    var x = point[0];
-	    var y = point[1];
-	    var inside = false;
-
-	    for (var i = 0, j = polygon.length - 1; i < polygon.length; j = i++) {
-	        var xi = polygon[i][0];
-	        var yi = polygon[i][1];
-	        var xj = polygon[j][0];
-	        var yj = polygon[j][1];
-
-	        var intersect = ((yi > y) !== (yj > y)) &&
-	            (x < (xj - xi) * (y - yi) / (yj - yi) + xi);
-	        if (intersect) inside = !inside;
-	    }
-
-	    return inside;
-	}
-
-
-	function geoPolygonContainsPolygon(outer, inner) {
-	    return inner.every(function(point) {
-	        return geoPointInPolygon(point, outer);
-	    });
-	}
-
-
-	function geoPolygonIntersectsPolygon(outer, inner, checkSegments) {
-	    function testPoints(outer, inner) {
-	        return inner.some(function(point) {
-	            return geoPointInPolygon(point, outer);
-	        });
-	    }
-
-	   return testPoints(outer, inner) || (!!checkSegments && geoPathHasIntersections(outer, inner));
-	}
-
-
-	// http://gis.stackexchange.com/questions/22895/finding-minimum-area-rectangle-for-given-points
-	// http://gis.stackexchange.com/questions/3739/generalisation-strategies-for-building-outlines/3756#3756
-	function geoGetSmallestSurroundingRectangle(points) {
-	    var hull = d3_polygonHull(points);
-	    var centroid = d3_polygonCentroid(hull);
-	    var minArea = Infinity;
-	    var ssrExtent = [];
-	    var ssrAngle = 0;
-	    var c1 = hull[0];
-
-	    for (var i = 0; i <= hull.length - 1; i++) {
-	        var c2 = (i === hull.length - 1) ? hull[0] : hull[i + 1];
-	        var angle = Math.atan2(c2[1] - c1[1], c2[0] - c1[0]);
-	        var poly = geoRotate(hull, -angle, centroid);
-	        var extent = poly.reduce(function(extent, point) {
-	            return extent.extend(geoExtent(point));
-	        }, geoExtent());
-
-	        var area = extent.area();
-	        if (area < minArea) {
-	            minArea = area;
-	            ssrExtent = extent;
-	            ssrAngle = angle;
-	        }
-	        c1 = c2;
-	    }
-
-	    return {
-	        poly: geoRotate(ssrExtent.polygon(), ssrAngle, centroid),
-	        angle: ssrAngle
-	    };
-	}
-
-
-	function geoPathLength(path) {
-	    var length = 0;
-	    for (var i = 0; i < path.length - 1; i++) {
-	        length += geoVecLength(path[i], path[i + 1]);
-	    }
-	    return length;
-	}
-
-
-	// If the given point is at the edge of the padded viewport,
-	// return a vector that will nudge the viewport in that direction
-	function geoViewportEdge(point, dimensions) {
-	    var pad = [80, 20, 50, 20];   // top, right, bottom, left
-	    var x = 0;
-	    var y = 0;
-
-	    if (point[0] > dimensions[0] - pad[1])
-	        x = -10;
-	    if (point[0] < pad[3])
-	        x = 10;
-	    if (point[1] > dimensions[1] - pad[2])
-	        y = -10;
-	    if (point[1] < pad[0])
-	        y = 10;
-
-	    if (x || y) {
-	        return [x, y];
-	    } else {
-	        return null;
-	    }
-	}
-
-	var noop$3 = {value: function() {}};
-
-	function dispatch() {
-	  for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) {
-	    if (!(t = arguments[i] + "") || (t in _) || /[\s.]/.test(t)) throw new Error("illegal type: " + t);
-	    _[t] = [];
-	  }
-	  return new Dispatch(_);
-	}
-
-	function Dispatch(_) {
-	  this._ = _;
-	}
-
-	function parseTypenames(typenames, types) {
-	  return typenames.trim().split(/^|\s+/).map(function(t) {
-	    var name = "", i = t.indexOf(".");
-	    if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);
-	    if (t && !types.hasOwnProperty(t)) throw new Error("unknown type: " + t);
-	    return {type: t, name: name};
-	  });
-	}
-
-	Dispatch.prototype = dispatch.prototype = {
-	  constructor: Dispatch,
-	  on: function(typename, callback) {
-	    var _ = this._,
-	        T = parseTypenames(typename + "", _),
-	        t,
-	        i = -1,
-	        n = T.length;
-
-	    // If no callback was specified, return the callback of the given type and name.
-	    if (arguments.length < 2) {
-	      while (++i < n) if ((t = (typename = T[i]).type) && (t = get$1(_[t], typename.name))) return t;
-	      return;
-	    }
-
-	    // If a type was specified, set the callback for the given type and name.
-	    // Otherwise, if a null callback was specified, remove callbacks of the given name.
-	    if (callback != null && typeof callback !== "function") throw new Error("invalid callback: " + callback);
-	    while (++i < n) {
-	      if (t = (typename = T[i]).type) _[t] = set(_[t], typename.name, callback);
-	      else if (callback == null) for (t in _) _[t] = set(_[t], typename.name, null);
-	    }
-
-	    return this;
-	  },
-	  copy: function() {
-	    var copy = {}, _ = this._;
-	    for (var t in _) copy[t] = _[t].slice();
-	    return new Dispatch(copy);
-	  },
-	  call: function(type, that) {
-	    if ((n = arguments.length - 2) > 0) for (var args = new Array(n), i = 0, n, t; i < n; ++i) args[i] = arguments[i + 2];
-	    if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type);
-	    for (t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args);
-	  },
-	  apply: function(type, that, args) {
-	    if (!this._.hasOwnProperty(type)) throw new Error("unknown type: " + type);
-	    for (var t = this._[type], i = 0, n = t.length; i < n; ++i) t[i].value.apply(that, args);
-	  }
-	};
-
-	function get$1(type, name) {
-	  for (var i = 0, n = type.length, c; i < n; ++i) {
-	    if ((c = type[i]).name === name) {
-	      return c.value;
-	    }
-	  }
-	}
-
-	function set(type, name, callback) {
-	  for (var i = 0, n = type.length; i < n; ++i) {
-	    if (type[i].name === name) {
-	      type[i] = noop$3, type = type.slice(0, i).concat(type.slice(i + 1));
-	      break;
-	    }
-	  }
-	  if (callback != null) type.push({name: name, value: callback});
-	  return type;
-	}
-
-	var xhtml = "http://www.w3.org/1999/xhtml";
-
-	var namespaces = {
-	  svg: "http://www.w3.org/2000/svg",
-	  xhtml: xhtml,
-	  xlink: "http://www.w3.org/1999/xlink",
-	  xml: "http://www.w3.org/XML/1998/namespace",
-	  xmlns: "http://www.w3.org/2000/xmlns/"
-	};
-
-	function namespace(name) {
-	  var prefix = name += "", i = prefix.indexOf(":");
-	  if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1);
-	  return namespaces.hasOwnProperty(prefix) ? {space: namespaces[prefix], local: name} : name;
-	}
-
-	function creatorInherit(name) {
-	  return function() {
-	    var document = this.ownerDocument,
-	        uri = this.namespaceURI;
-	    return uri === xhtml && document.documentElement.namespaceURI === xhtml
-	        ? document.createElement(name)
-	        : document.createElementNS(uri, name);
-	  };
-	}
-
-	function creatorFixed(fullname) {
-	  return function() {
-	    return this.ownerDocument.createElementNS(fullname.space, fullname.local);
-	  };
-	}
-
-	function creator(name) {
-	  var fullname = namespace(name);
-	  return (fullname.local
-	      ? creatorFixed
-	      : creatorInherit)(fullname);
-	}
-
-	function none() {}
-
-	function selector(selector) {
-	  return selector == null ? none : function() {
-	    return this.querySelector(selector);
-	  };
-	}
-
-	function selection_select(select) {
-	  if (typeof select !== "function") select = selector(select);
-
-	  for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) {
-	      if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) {
-	        if ("__data__" in node) subnode.__data__ = node.__data__;
-	        subgroup[i] = subnode;
-	      }
-	    }
-	  }
-
-	  return new Selection(subgroups, this._parents);
-	}
-
-	function empty() {
-	  return [];
-	}
-
-	function selectorAll(selector) {
-	  return selector == null ? empty : function() {
-	    return this.querySelectorAll(selector);
-	  };
-	}
-
-	function selection_selectAll(select) {
-	  if (typeof select !== "function") select = selectorAll(select);
-
-	  for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
-	      if (node = group[i]) {
-	        subgroups.push(select.call(node, node.__data__, i, group));
-	        parents.push(node);
-	      }
-	    }
-	  }
-
-	  return new Selection(subgroups, parents);
-	}
-
-	function matcher(selector) {
-	  return function() {
-	    return this.matches(selector);
-	  };
-	}
-
-	function selection_filter(match) {
-	  if (typeof match !== "function") match = matcher(match);
-
-	  for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) {
-	      if ((node = group[i]) && match.call(node, node.__data__, i, group)) {
-	        subgroup.push(node);
-	      }
-	    }
-	  }
-
-	  return new Selection(subgroups, this._parents);
-	}
-
-	function sparse(update) {
-	  return new Array(update.length);
-	}
-
-	function selection_enter() {
-	  return new Selection(this._enter || this._groups.map(sparse), this._parents);
-	}
-
-	function EnterNode(parent, datum) {
-	  this.ownerDocument = parent.ownerDocument;
-	  this.namespaceURI = parent.namespaceURI;
-	  this._next = null;
-	  this._parent = parent;
-	  this.__data__ = datum;
-	}
-
-	EnterNode.prototype = {
-	  constructor: EnterNode,
-	  appendChild: function(child) { return this._parent.insertBefore(child, this._next); },
-	  insertBefore: function(child, next) { return this._parent.insertBefore(child, next); },
-	  querySelector: function(selector) { return this._parent.querySelector(selector); },
-	  querySelectorAll: function(selector) { return this._parent.querySelectorAll(selector); }
-	};
-
-	function constant(x) {
-	  return function() {
-	    return x;
-	  };
-	}
-
-	var keyPrefix = "$"; // Protect against keys like “__proto__”.
-
-	function bindIndex(parent, group, enter, update, exit, data) {
-	  var i = 0,
-	      node,
-	      groupLength = group.length,
-	      dataLength = data.length;
-
-	  // Put any non-null nodes that fit into update.
-	  // Put any null nodes into enter.
-	  // Put any remaining data into enter.
-	  for (; i < dataLength; ++i) {
-	    if (node = group[i]) {
-	      node.__data__ = data[i];
-	      update[i] = node;
-	    } else {
-	      enter[i] = new EnterNode(parent, data[i]);
-	    }
-	  }
-
-	  // Put any non-null nodes that don’t fit into exit.
-	  for (; i < groupLength; ++i) {
-	    if (node = group[i]) {
-	      exit[i] = node;
-	    }
-	  }
-	}
-
-	function bindKey(parent, group, enter, update, exit, data, key) {
-	  var i,
-	      node,
-	      nodeByKeyValue = {},
-	      groupLength = group.length,
-	      dataLength = data.length,
-	      keyValues = new Array(groupLength),
-	      keyValue;
-
-	  // Compute the key for each node.
-	  // If multiple nodes have the same key, the duplicates are added to exit.
-	  for (i = 0; i < groupLength; ++i) {
-	    if (node = group[i]) {
-	      keyValues[i] = keyValue = keyPrefix + key.call(node, node.__data__, i, group);
-	      if (keyValue in nodeByKeyValue) {
-	        exit[i] = node;
-	      } else {
-	        nodeByKeyValue[keyValue] = node;
-	      }
-	    }
-	  }
-
-	  // Compute the key for each datum.
-	  // If there a node associated with this key, join and add it to update.
-	  // If there is not (or the key is a duplicate), add it to enter.
-	  for (i = 0; i < dataLength; ++i) {
-	    keyValue = keyPrefix + key.call(parent, data[i], i, data);
-	    if (node = nodeByKeyValue[keyValue]) {
-	      update[i] = node;
-	      node.__data__ = data[i];
-	      nodeByKeyValue[keyValue] = null;
-	    } else {
-	      enter[i] = new EnterNode(parent, data[i]);
-	    }
-	  }
-
-	  // Add any remaining nodes that were not bound to data to exit.
-	  for (i = 0; i < groupLength; ++i) {
-	    if ((node = group[i]) && (nodeByKeyValue[keyValues[i]] === node)) {
-	      exit[i] = node;
-	    }
-	  }
-	}
-
-	function selection_data(value, key) {
-	  if (!value) {
-	    data = new Array(this.size()), j = -1;
-	    this.each(function(d) { data[++j] = d; });
-	    return data;
-	  }
-
-	  var bind = key ? bindKey : bindIndex,
-	      parents = this._parents,
-	      groups = this._groups;
-
-	  if (typeof value !== "function") value = constant(value);
-
-	  for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j = 0; j < m; ++j) {
-	    var parent = parents[j],
-	        group = groups[j],
-	        groupLength = group.length,
-	        data = value.call(parent, parent && parent.__data__, j, parents),
-	        dataLength = data.length,
-	        enterGroup = enter[j] = new Array(dataLength),
-	        updateGroup = update[j] = new Array(dataLength),
-	        exitGroup = exit[j] = new Array(groupLength);
-
-	    bind(parent, group, enterGroup, updateGroup, exitGroup, data, key);
-
-	    // Now connect the enter nodes to their following update node, such that
-	    // appendChild can insert the materialized enter node before this node,
-	    // rather than at the end of the parent node.
-	    for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) {
-	      if (previous = enterGroup[i0]) {
-	        if (i0 >= i1) i1 = i0 + 1;
-	        while (!(next = updateGroup[i1]) && ++i1 < dataLength);
-	        previous._next = next || null;
-	      }
-	    }
-	  }
-
-	  update = new Selection(update, parents);
-	  update._enter = enter;
-	  update._exit = exit;
-	  return update;
-	}
-
-	function selection_exit() {
-	  return new Selection(this._exit || this._groups.map(sparse), this._parents);
-	}
-
-	function selection_join(onenter, onupdate, onexit) {
-	  var enter = this.enter(), update = this, exit = this.exit();
-	  enter = typeof onenter === "function" ? onenter(enter) : enter.append(onenter + "");
-	  if (onupdate != null) update = onupdate(update);
-	  if (onexit == null) exit.remove(); else onexit(exit);
-	  return enter && update ? enter.merge(update).order() : update;
-	}
-
-	function selection_merge(selection) {
-
-	  for (var groups0 = this._groups, groups1 = selection._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) {
-	    for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) {
-	      if (node = group0[i] || group1[i]) {
-	        merge[i] = node;
-	      }
-	    }
-	  }
-
-	  for (; j < m0; ++j) {
-	    merges[j] = groups0[j];
-	  }
-
-	  return new Selection(merges, this._parents);
-	}
-
-	function selection_order() {
-
-	  for (var groups = this._groups, j = -1, m = groups.length; ++j < m;) {
-	    for (var group = groups[j], i = group.length - 1, next = group[i], node; --i >= 0;) {
-	      if (node = group[i]) {
-	        if (next && node.compareDocumentPosition(next) ^ 4) next.parentNode.insertBefore(node, next);
-	        next = node;
-	      }
-	    }
-	  }
-
-	  return this;
-	}
-
-	function selection_sort(compare) {
-	  if (!compare) compare = ascending;
-
-	  function compareNode(a, b) {
-	    return a && b ? compare(a.__data__, b.__data__) : !a - !b;
-	  }
-
-	  for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, sortgroup = sortgroups[j] = new Array(n), node, i = 0; i < n; ++i) {
-	      if (node = group[i]) {
-	        sortgroup[i] = node;
-	      }
-	    }
-	    sortgroup.sort(compareNode);
-	  }
-
-	  return new Selection(sortgroups, this._parents).order();
-	}
-
-	function ascending(a, b) {
-	  return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
-	}
-
-	function selection_call() {
-	  var callback = arguments[0];
-	  arguments[0] = this;
-	  callback.apply(null, arguments);
-	  return this;
-	}
-
-	function selection_nodes() {
-	  var nodes = new Array(this.size()), i = -1;
-	  this.each(function() { nodes[++i] = this; });
-	  return nodes;
-	}
-
-	function selection_node() {
-
-	  for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
-	    for (var group = groups[j], i = 0, n = group.length; i < n; ++i) {
-	      var node = group[i];
-	      if (node) return node;
-	    }
-	  }
-
-	  return null;
-	}
-
-	function selection_size() {
-	  var size = 0;
-	  this.each(function() { ++size; });
-	  return size;
-	}
-
-	function selection_empty() {
-	  return !this.node();
-	}
-
-	function selection_each(callback) {
-
-	  for (var groups = this._groups, j = 0, m = groups.length; j < m; ++j) {
-	    for (var group = groups[j], i = 0, n = group.length, node; i < n; ++i) {
-	      if (node = group[i]) callback.call(node, node.__data__, i, group);
-	    }
-	  }
-
-	  return this;
-	}
-
-	function attrRemove(name) {
-	  return function() {
-	    this.removeAttribute(name);
-	  };
-	}
-
-	function attrRemoveNS(fullname) {
-	  return function() {
-	    this.removeAttributeNS(fullname.space, fullname.local);
-	  };
-	}
-
-	function attrConstant(name, value) {
-	  return function() {
-	    this.setAttribute(name, value);
-	  };
-	}
-
-	function attrConstantNS(fullname, value) {
-	  return function() {
-	    this.setAttributeNS(fullname.space, fullname.local, value);
-	  };
-	}
-
-	function attrFunction(name, value) {
-	  return function() {
-	    var v = value.apply(this, arguments);
-	    if (v == null) this.removeAttribute(name);
-	    else this.setAttribute(name, v);
-	  };
-	}
-
-	function attrFunctionNS(fullname, value) {
-	  return function() {
-	    var v = value.apply(this, arguments);
-	    if (v == null) this.removeAttributeNS(fullname.space, fullname.local);
-	    else this.setAttributeNS(fullname.space, fullname.local, v);
-	  };
-	}
-
-	function selection_attr(name, value) {
-	  var fullname = namespace(name);
-
-	  if (arguments.length < 2) {
-	    var node = this.node();
-	    return fullname.local
-	        ? node.getAttributeNS(fullname.space, fullname.local)
-	        : node.getAttribute(fullname);
-	  }
-
-	  return this.each((value == null
-	      ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function"
-	      ? (fullname.local ? attrFunctionNS : attrFunction)
-	      : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value));
-	}
-
-	function defaultView(node) {
-	  return (node.ownerDocument && node.ownerDocument.defaultView) // node is a Node
-	      || (node.document && node) // node is a Window
-	      || node.defaultView; // node is a Document
-	}
-
-	function styleRemove(name) {
-	  return function() {
-	    this.style.removeProperty(name);
-	  };
-	}
-
-	function styleConstant(name, value, priority) {
-	  return function() {
-	    this.style.setProperty(name, value, priority);
-	  };
-	}
-
-	function styleFunction(name, value, priority) {
-	  return function() {
-	    var v = value.apply(this, arguments);
-	    if (v == null) this.style.removeProperty(name);
-	    else this.style.setProperty(name, v, priority);
-	  };
-	}
-
-	function selection_style(name, value, priority) {
-	  return arguments.length > 1
-	      ? this.each((value == null
-	            ? styleRemove : typeof value === "function"
-	            ? styleFunction
-	            : styleConstant)(name, value, priority == null ? "" : priority))
-	      : styleValue(this.node(), name);
-	}
-
-	function styleValue(node, name) {
-	  return node.style.getPropertyValue(name)
-	      || defaultView(node).getComputedStyle(node, null).getPropertyValue(name);
-	}
-
-	function propertyRemove(name) {
-	  return function() {
-	    delete this[name];
-	  };
-	}
-
-	function propertyConstant(name, value) {
-	  return function() {
-	    this[name] = value;
-	  };
-	}
-
-	function propertyFunction(name, value) {
-	  return function() {
-	    var v = value.apply(this, arguments);
-	    if (v == null) delete this[name];
-	    else this[name] = v;
-	  };
-	}
-
-	function selection_property(name, value) {
-	  return arguments.length > 1
-	      ? this.each((value == null
-	          ? propertyRemove : typeof value === "function"
-	          ? propertyFunction
-	          : propertyConstant)(name, value))
-	      : this.node()[name];
-	}
-
-	function classArray(string) {
-	  return string.trim().split(/^|\s+/);
-	}
-
-	function classList(node) {
-	  return node.classList || new ClassList(node);
-	}
-
-	function ClassList(node) {
-	  this._node = node;
-	  this._names = classArray(node.getAttribute("class") || "");
-	}
-
-	ClassList.prototype = {
-	  add: function(name) {
-	    var i = this._names.indexOf(name);
-	    if (i < 0) {
-	      this._names.push(name);
-	      this._node.setAttribute("class", this._names.join(" "));
-	    }
-	  },
-	  remove: function(name) {
-	    var i = this._names.indexOf(name);
-	    if (i >= 0) {
-	      this._names.splice(i, 1);
-	      this._node.setAttribute("class", this._names.join(" "));
-	    }
-	  },
-	  contains: function(name) {
-	    return this._names.indexOf(name) >= 0;
-	  }
-	};
-
-	function classedAdd(node, names) {
-	  var list = classList(node), i = -1, n = names.length;
-	  while (++i < n) list.add(names[i]);
-	}
-
-	function classedRemove(node, names) {
-	  var list = classList(node), i = -1, n = names.length;
-	  while (++i < n) list.remove(names[i]);
-	}
-
-	function classedTrue(names) {
-	  return function() {
-	    classedAdd(this, names);
-	  };
-	}
-
-	function classedFalse(names) {
-	  return function() {
-	    classedRemove(this, names);
-	  };
-	}
-
-	function classedFunction(names, value) {
-	  return function() {
-	    (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names);
-	  };
-	}
-
-	function selection_classed(name, value) {
-	  var names = classArray(name + "");
-
-	  if (arguments.length < 2) {
-	    var list = classList(this.node()), i = -1, n = names.length;
-	    while (++i < n) if (!list.contains(names[i])) return false;
-	    return true;
-	  }
-
-	  return this.each((typeof value === "function"
-	      ? classedFunction : value
-	      ? classedTrue
-	      : classedFalse)(names, value));
-	}
-
-	function textRemove() {
-	  this.textContent = "";
-	}
-
-	function textConstant(value) {
-	  return function() {
-	    this.textContent = value;
-	  };
-	}
-
-	function textFunction(value) {
-	  return function() {
-	    var v = value.apply(this, arguments);
-	    this.textContent = v == null ? "" : v;
-	  };
-	}
-
-	function selection_text(value) {
-	  return arguments.length
-	      ? this.each(value == null
-	          ? textRemove : (typeof value === "function"
-	          ? textFunction
-	          : textConstant)(value))
-	      : this.node().textContent;
-	}
-
-	function htmlRemove() {
-	  this.innerHTML = "";
-	}
-
-	function htmlConstant(value) {
-	  return function() {
-	    this.innerHTML = value;
-	  };
-	}
-
-	function htmlFunction(value) {
-	  return function() {
-	    var v = value.apply(this, arguments);
-	    this.innerHTML = v == null ? "" : v;
-	  };
-	}
-
-	function selection_html(value) {
-	  return arguments.length
-	      ? this.each(value == null
-	          ? htmlRemove : (typeof value === "function"
-	          ? htmlFunction
-	          : htmlConstant)(value))
-	      : this.node().innerHTML;
-	}
-
-	function raise() {
-	  if (this.nextSibling) this.parentNode.appendChild(this);
-	}
-
-	function selection_raise() {
-	  return this.each(raise);
-	}
-
-	function lower() {
-	  if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild);
-	}
-
-	function selection_lower() {
-	  return this.each(lower);
-	}
-
-	function selection_append(name) {
-	  var create = typeof name === "function" ? name : creator(name);
-	  return this.select(function() {
-	    return this.appendChild(create.apply(this, arguments));
-	  });
-	}
-
-	function constantNull() {
-	  return null;
-	}
-
-	function selection_insert(name, before) {
-	  var create = typeof name === "function" ? name : creator(name),
-	      select = before == null ? constantNull : typeof before === "function" ? before : selector(before);
-	  return this.select(function() {
-	    return this.insertBefore(create.apply(this, arguments), select.apply(this, arguments) || null);
-	  });
-	}
-
-	function remove() {
-	  var parent = this.parentNode;
-	  if (parent) parent.removeChild(this);
-	}
-
-	function selection_remove() {
-	  return this.each(remove);
-	}
-
-	function selection_cloneShallow() {
-	  var clone = this.cloneNode(false), parent = this.parentNode;
-	  return parent ? parent.insertBefore(clone, this.nextSibling) : clone;
-	}
-
-	function selection_cloneDeep() {
-	  var clone = this.cloneNode(true), parent = this.parentNode;
-	  return parent ? parent.insertBefore(clone, this.nextSibling) : clone;
-	}
-
-	function selection_clone(deep) {
-	  return this.select(deep ? selection_cloneDeep : selection_cloneShallow);
-	}
-
-	function selection_datum(value) {
-	  return arguments.length
-	      ? this.property("__data__", value)
-	      : this.node().__data__;
-	}
-
-	var filterEvents = {};
-
-	var event = null;
-
-	if (typeof document !== "undefined") {
-	  var element = document.documentElement;
-	  if (!("onmouseenter" in element)) {
-	    filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"};
-	  }
-	}
-
-	function filterContextListener(listener, index, group) {
-	  listener = contextListener(listener, index, group);
-	  return function(event) {
-	    var related = event.relatedTarget;
-	    if (!related || (related !== this && !(related.compareDocumentPosition(this) & 8))) {
-	      listener.call(this, event);
-	    }
-	  };
-	}
-
-	function contextListener(listener, index, group) {
-	  return function(event1) {
-	    var event0 = event; // Events can be reentrant (e.g., focus).
-	    event = event1;
-	    try {
-	      listener.call(this, this.__data__, index, group);
-	    } finally {
-	      event = event0;
-	    }
-	  };
-	}
-
-	function parseTypenames$1(typenames) {
-	  return typenames.trim().split(/^|\s+/).map(function(t) {
-	    var name = "", i = t.indexOf(".");
-	    if (i >= 0) name = t.slice(i + 1), t = t.slice(0, i);
-	    return {type: t, name: name};
-	  });
-	}
-
-	function onRemove(typename) {
-	  return function() {
-	    var on = this.__on;
-	    if (!on) return;
-	    for (var j = 0, i = -1, m = on.length, o; j < m; ++j) {
-	      if (o = on[j], (!typename.type || o.type === typename.type) && o.name === typename.name) {
-	        this.removeEventListener(o.type, o.listener, o.capture);
-	      } else {
-	        on[++i] = o;
-	      }
-	    }
-	    if (++i) on.length = i;
-	    else delete this.__on;
-	  };
-	}
-
-	function onAdd(typename, value, capture) {
-	  var wrap = filterEvents.hasOwnProperty(typename.type) ? filterContextListener : contextListener;
-	  return function(d, i, group) {
-	    var on = this.__on, o, listener = wrap(value, i, group);
-	    if (on) for (var j = 0, m = on.length; j < m; ++j) {
-	      if ((o = on[j]).type === typename.type && o.name === typename.name) {
-	        this.removeEventListener(o.type, o.listener, o.capture);
-	        this.addEventListener(o.type, o.listener = listener, o.capture = capture);
-	        o.value = value;
-	        return;
-	      }
-	    }
-	    this.addEventListener(typename.type, listener, capture);
-	    o = {type: typename.type, name: typename.name, value: value, listener: listener, capture: capture};
-	    if (!on) this.__on = [o];
-	    else on.push(o);
-	  };
-	}
-
-	function selection_on(typename, value, capture) {
-	  var typenames = parseTypenames$1(typename + ""), i, n = typenames.length, t;
-
-	  if (arguments.length < 2) {
-	    var on = this.node().__on;
-	    if (on) for (var j = 0, m = on.length, o; j < m; ++j) {
-	      for (i = 0, o = on[j]; i < n; ++i) {
-	        if ((t = typenames[i]).type === o.type && t.name === o.name) {
-	          return o.value;
-	        }
-	      }
-	    }
-	    return;
-	  }
-
-	  on = value ? onAdd : onRemove;
-	  if (capture == null) capture = false;
-	  for (i = 0; i < n; ++i) this.each(on(typenames[i], value, capture));
-	  return this;
-	}
-
-	function customEvent(event1, listener, that, args) {
-	  var event0 = event;
-	  event1.sourceEvent = event;
-	  event = event1;
-	  try {
-	    return listener.apply(that, args);
-	  } finally {
-	    event = event0;
-	  }
-	}
-
-	function dispatchEvent(node, type, params) {
-	  var window = defaultView(node),
-	      event = window.CustomEvent;
-
-	  if (typeof event === "function") {
-	    event = new event(type, params);
-	  } else {
-	    event = window.document.createEvent("Event");
-	    if (params) event.initEvent(type, params.bubbles, params.cancelable), event.detail = params.detail;
-	    else event.initEvent(type, false, false);
-	  }
-
-	  node.dispatchEvent(event);
-	}
-
-	function dispatchConstant(type, params) {
-	  return function() {
-	    return dispatchEvent(this, type, params);
-	  };
-	}
-
-	function dispatchFunction(type, params) {
-	  return function() {
-	    return dispatchEvent(this, type, params.apply(this, arguments));
-	  };
-	}
-
-	function selection_dispatch(type, params) {
-	  return this.each((typeof params === "function"
-	      ? dispatchFunction
-	      : dispatchConstant)(type, params));
-	}
-
-	var root$1 = [null];
-
-	function Selection(groups, parents) {
-	  this._groups = groups;
-	  this._parents = parents;
-	}
-
-	function selection() {
-	  return new Selection([[document.documentElement]], root$1);
-	}
-
-	Selection.prototype = selection.prototype = {
-	  constructor: Selection,
-	  select: selection_select,
-	  selectAll: selection_selectAll,
-	  filter: selection_filter,
-	  data: selection_data,
-	  enter: selection_enter,
-	  exit: selection_exit,
-	  join: selection_join,
-	  merge: selection_merge,
-	  order: selection_order,
-	  sort: selection_sort,
-	  call: selection_call,
-	  nodes: selection_nodes,
-	  node: selection_node,
-	  size: selection_size,
-	  empty: selection_empty,
-	  each: selection_each,
-	  attr: selection_attr,
-	  style: selection_style,
-	  property: selection_property,
-	  classed: selection_classed,
-	  text: selection_text,
-	  html: selection_html,
-	  raise: selection_raise,
-	  lower: selection_lower,
-	  append: selection_append,
-	  insert: selection_insert,
-	  remove: selection_remove,
-	  clone: selection_clone,
-	  datum: selection_datum,
-	  on: selection_on,
-	  dispatch: selection_dispatch
-	};
-
-	function select(selector) {
-	  return typeof selector === "string"
-	      ? new Selection([[document.querySelector(selector)]], [document.documentElement])
-	      : new Selection([[selector]], root$1);
-	}
-
-	function sourceEvent() {
-	  var current = event, source;
-	  while (source = current.sourceEvent) current = source;
-	  return current;
-	}
-
-	function point(node, event) {
-	  var svg = node.ownerSVGElement || node;
-
-	  if (svg.createSVGPoint) {
-	    var point = svg.createSVGPoint();
-	    point.x = event.clientX, point.y = event.clientY;
-	    point = point.matrixTransform(node.getScreenCTM().inverse());
-	    return [point.x, point.y];
-	  }
-
-	  var rect = node.getBoundingClientRect();
-	  return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop];
-	}
-
-	function mouse(node) {
-	  var event = sourceEvent();
-	  if (event.changedTouches) event = event.changedTouches[0];
-	  return point(node, event);
-	}
-
-	function selectAll(selector) {
-	  return typeof selector === "string"
-	      ? new Selection([document.querySelectorAll(selector)], [document.documentElement])
-	      : new Selection([selector == null ? [] : selector], root$1);
-	}
-
-	function touch(node, touches, identifier) {
-	  if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches;
-
-	  for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) {
-	    if ((touch = touches[i]).identifier === identifier) {
-	      return point(node, touch);
-	    }
-	  }
-
-	  return null;
-	}
-
-	function nopropagation() {
-	  event.stopImmediatePropagation();
-	}
-
-	function noevent() {
-	  event.preventDefault();
-	  event.stopImmediatePropagation();
-	}
-
-	function dragDisable(view) {
-	  var root = view.document.documentElement,
-	      selection = select(view).on("dragstart.drag", noevent, true);
-	  if ("onselectstart" in root) {
-	    selection.on("selectstart.drag", noevent, true);
-	  } else {
-	    root.__noselect = root.style.MozUserSelect;
-	    root.style.MozUserSelect = "none";
-	  }
-	}
-
-	function yesdrag(view, noclick) {
-	  var root = view.document.documentElement,
-	      selection = select(view).on("dragstart.drag", null);
-	  if (noclick) {
-	    selection.on("click.drag", noevent, true);
-	    setTimeout(function() { selection.on("click.drag", null); }, 0);
-	  }
-	  if ("onselectstart" in root) {
-	    selection.on("selectstart.drag", null);
-	  } else {
-	    root.style.MozUserSelect = root.__noselect;
-	    delete root.__noselect;
-	  }
-	}
-
-	function constant$1(x) {
-	  return function() {
-	    return x;
-	  };
-	}
-
-	function DragEvent(target, type, subject, id, active, x, y, dx, dy, dispatch) {
-	  this.target = target;
-	  this.type = type;
-	  this.subject = subject;
-	  this.identifier = id;
-	  this.active = active;
-	  this.x = x;
-	  this.y = y;
-	  this.dx = dx;
-	  this.dy = dy;
-	  this._ = dispatch;
-	}
-
-	DragEvent.prototype.on = function() {
-	  var value = this._.on.apply(this._, arguments);
-	  return value === this._ ? this : value;
-	};
-
-	// Ignore right-click, since that should open the context menu.
-	function defaultFilter() {
-	  return !event.ctrlKey && !event.button;
-	}
-
-	function defaultContainer() {
-	  return this.parentNode;
-	}
-
-	function defaultSubject(d) {
-	  return d == null ? {x: event.x, y: event.y} : d;
-	}
-
-	function defaultTouchable() {
-	  return navigator.maxTouchPoints || ("ontouchstart" in this);
-	}
-
-	function d3_drag() {
-	  var filter = defaultFilter,
-	      container = defaultContainer,
-	      subject = defaultSubject,
-	      touchable = defaultTouchable,
-	      gestures = {},
-	      listeners = dispatch("start", "drag", "end"),
-	      active = 0,
-	      mousedownx,
-	      mousedowny,
-	      mousemoving,
-	      touchending,
-	      clickDistance2 = 0;
-
-	  function drag(selection) {
-	    selection
-	        .on("mousedown.drag", mousedowned)
-	      .filter(touchable)
-	        .on("touchstart.drag", touchstarted)
-	        .on("touchmove.drag", touchmoved)
-	        .on("touchend.drag touchcancel.drag", touchended)
-	        .style("touch-action", "none")
-	        .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
-	  }
-
-	  function mousedowned() {
-	    if (touchending || !filter.apply(this, arguments)) return;
-	    var gesture = beforestart("mouse", container.apply(this, arguments), mouse, this, arguments);
-	    if (!gesture) return;
-	    select(event.view).on("mousemove.drag", mousemoved, true).on("mouseup.drag", mouseupped, true);
-	    dragDisable(event.view);
-	    nopropagation();
-	    mousemoving = false;
-	    mousedownx = event.clientX;
-	    mousedowny = event.clientY;
-	    gesture("start");
-	  }
-
-	  function mousemoved() {
-	    noevent();
-	    if (!mousemoving) {
-	      var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny;
-	      mousemoving = dx * dx + dy * dy > clickDistance2;
-	    }
-	    gestures.mouse("drag");
-	  }
-
-	  function mouseupped() {
-	    select(event.view).on("mousemove.drag mouseup.drag", null);
-	    yesdrag(event.view, mousemoving);
-	    noevent();
-	    gestures.mouse("end");
-	  }
-
-	  function touchstarted() {
-	    if (!filter.apply(this, arguments)) return;
-	    var touches = event.changedTouches,
-	        c = container.apply(this, arguments),
-	        n = touches.length, i, gesture;
-
-	    for (i = 0; i < n; ++i) {
-	      if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) {
-	        nopropagation();
-	        gesture("start");
-	      }
-	    }
-	  }
-
-	  function touchmoved() {
-	    var touches = event.changedTouches,
-	        n = touches.length, i, gesture;
-
-	    for (i = 0; i < n; ++i) {
-	      if (gesture = gestures[touches[i].identifier]) {
-	        noevent();
-	        gesture("drag");
-	      }
-	    }
-	  }
-
-	  function touchended() {
-	    var touches = event.changedTouches,
-	        n = touches.length, i, gesture;
-
-	    if (touchending) clearTimeout(touchending);
-	    touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
-	    for (i = 0; i < n; ++i) {
-	      if (gesture = gestures[touches[i].identifier]) {
-	        nopropagation();
-	        gesture("end");
-	      }
-	    }
-	  }
-
-	  function beforestart(id, container, point, that, args) {
-	    var p = point(container, id), s, dx, dy,
-	        sublisteners = listeners.copy();
-
-	    if (!customEvent(new DragEvent(drag, "beforestart", s, id, active, p[0], p[1], 0, 0, sublisteners), function() {
-	      if ((event.subject = s = subject.apply(that, args)) == null) return false;
-	      dx = s.x - p[0] || 0;
-	      dy = s.y - p[1] || 0;
-	      return true;
-	    })) return;
-
-	    return function gesture(type) {
-	      var p0 = p, n;
-	      switch (type) {
-	        case "start": gestures[id] = gesture, n = active++; break;
-	        case "end": delete gestures[id], --active; // nobreak
-	        case "drag": p = point(container, id), n = active; break;
-	      }
-	      customEvent(new DragEvent(drag, type, s, id, n, p[0] + dx, p[1] + dy, p[0] - p0[0], p[1] - p0[1], sublisteners), sublisteners.apply, sublisteners, [type, that, args]);
-	    };
-	  }
-
-	  drag.filter = function(_) {
-	    return arguments.length ? (filter = typeof _ === "function" ? _ : constant$1(!!_), drag) : filter;
-	  };
-
-	  drag.container = function(_) {
-	    return arguments.length ? (container = typeof _ === "function" ? _ : constant$1(_), drag) : container;
-	  };
-
-	  drag.subject = function(_) {
-	    return arguments.length ? (subject = typeof _ === "function" ? _ : constant$1(_), drag) : subject;
-	  };
-
-	  drag.touchable = function(_) {
-	    return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$1(!!_), drag) : touchable;
-	  };
-
-	  drag.on = function() {
-	    var value = listeners.on.apply(listeners, arguments);
-	    return value === listeners ? drag : value;
-	  };
-
-	  drag.clickDistance = function(_) {
-	    return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2);
-	  };
-
-	  return drag;
-	}
-
-	function define$1(constructor, factory, prototype) {
-	  constructor.prototype = factory.prototype = prototype;
-	  prototype.constructor = constructor;
-	}
-
-	function extend(parent, definition) {
-	  var prototype = Object.create(parent.prototype);
-	  for (var key in definition) prototype[key] = definition[key];
-	  return prototype;
-	}
-
-	function Color() {}
-
-	var darker = 0.7;
-	var brighter = 1 / darker;
-
-	var reI = "\\s*([+-]?\\d+)\\s*",
-	    reN = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)\\s*",
-	    reP = "\\s*([+-]?\\d*\\.?\\d+(?:[eE][+-]?\\d+)?)%\\s*",
-	    reHex = /^#([0-9a-f]{3,8})$/,
-	    reRgbInteger = new RegExp("^rgb\\(" + [reI, reI, reI] + "\\)$"),
-	    reRgbPercent = new RegExp("^rgb\\(" + [reP, reP, reP] + "\\)$"),
-	    reRgbaInteger = new RegExp("^rgba\\(" + [reI, reI, reI, reN] + "\\)$"),
-	    reRgbaPercent = new RegExp("^rgba\\(" + [reP, reP, reP, reN] + "\\)$"),
-	    reHslPercent = new RegExp("^hsl\\(" + [reN, reP, reP] + "\\)$"),
-	    reHslaPercent = new RegExp("^hsla\\(" + [reN, reP, reP, reN] + "\\)$");
-
-	var named = {
-	  aliceblue: 0xf0f8ff,
-	  antiquewhite: 0xfaebd7,
-	  aqua: 0x00ffff,
-	  aquamarine: 0x7fffd4,
-	  azure: 0xf0ffff,
-	  beige: 0xf5f5dc,
-	  bisque: 0xffe4c4,
-	  black: 0x000000,
-	  blanchedalmond: 0xffebcd,
-	  blue: 0x0000ff,
-	  blueviolet: 0x8a2be2,
-	  brown: 0xa52a2a,
-	  burlywood: 0xdeb887,
-	  cadetblue: 0x5f9ea0,
-	  chartreuse: 0x7fff00,
-	  chocolate: 0xd2691e,
-	  coral: 0xff7f50,
-	  cornflowerblue: 0x6495ed,
-	  cornsilk: 0xfff8dc,
-	  crimson: 0xdc143c,
-	  cyan: 0x00ffff,
-	  darkblue: 0x00008b,
-	  darkcyan: 0x008b8b,
-	  darkgoldenrod: 0xb8860b,
-	  darkgray: 0xa9a9a9,
-	  darkgreen: 0x006400,
-	  darkgrey: 0xa9a9a9,
-	  darkkhaki: 0xbdb76b,
-	  darkmagenta: 0x8b008b,
-	  darkolivegreen: 0x556b2f,
-	  darkorange: 0xff8c00,
-	  darkorchid: 0x9932cc,
-	  darkred: 0x8b0000,
-	  darksalmon: 0xe9967a,
-	  darkseagreen: 0x8fbc8f,
-	  darkslateblue: 0x483d8b,
-	  darkslategray: 0x2f4f4f,
-	  darkslategrey: 0x2f4f4f,
-	  darkturquoise: 0x00ced1,
-	  darkviolet: 0x9400d3,
-	  deeppink: 0xff1493,
-	  deepskyblue: 0x00bfff,
-	  dimgray: 0x696969,
-	  dimgrey: 0x696969,
-	  dodgerblue: 0x1e90ff,
-	  firebrick: 0xb22222,
-	  floralwhite: 0xfffaf0,
-	  forestgreen: 0x228b22,
-	  fuchsia: 0xff00ff,
-	  gainsboro: 0xdcdcdc,
-	  ghostwhite: 0xf8f8ff,
-	  gold: 0xffd700,
-	  goldenrod: 0xdaa520,
-	  gray: 0x808080,
-	  green: 0x008000,
-	  greenyellow: 0xadff2f,
-	  grey: 0x808080,
-	  honeydew: 0xf0fff0,
-	  hotpink: 0xff69b4,
-	  indianred: 0xcd5c5c,
-	  indigo: 0x4b0082,
-	  ivory: 0xfffff0,
-	  khaki: 0xf0e68c,
-	  lavender: 0xe6e6fa,
-	  lavenderblush: 0xfff0f5,
-	  lawngreen: 0x7cfc00,
-	  lemonchiffon: 0xfffacd,
-	  lightblue: 0xadd8e6,
-	  lightcoral: 0xf08080,
-	  lightcyan: 0xe0ffff,
-	  lightgoldenrodyellow: 0xfafad2,
-	  lightgray: 0xd3d3d3,
-	  lightgreen: 0x90ee90,
-	  lightgrey: 0xd3d3d3,
-	  lightpink: 0xffb6c1,
-	  lightsalmon: 0xffa07a,
-	  lightseagreen: 0x20b2aa,
-	  lightskyblue: 0x87cefa,
-	  lightslategray: 0x778899,
-	  lightslategrey: 0x778899,
-	  lightsteelblue: 0xb0c4de,
-	  lightyellow: 0xffffe0,
-	  lime: 0x00ff00,
-	  limegreen: 0x32cd32,
-	  linen: 0xfaf0e6,
-	  magenta: 0xff00ff,
-	  maroon: 0x800000,
-	  mediumaquamarine: 0x66cdaa,
-	  mediumblue: 0x0000cd,
-	  mediumorchid: 0xba55d3,
-	  mediumpurple: 0x9370db,
-	  mediumseagreen: 0x3cb371,
-	  mediumslateblue: 0x7b68ee,
-	  mediumspringgreen: 0x00fa9a,
-	  mediumturquoise: 0x48d1cc,
-	  mediumvioletred: 0xc71585,
-	  midnightblue: 0x191970,
-	  mintcream: 0xf5fffa,
-	  mistyrose: 0xffe4e1,
-	  moccasin: 0xffe4b5,
-	  navajowhite: 0xffdead,
-	  navy: 0x000080,
-	  oldlace: 0xfdf5e6,
-	  olive: 0x808000,
-	  olivedrab: 0x6b8e23,
-	  orange: 0xffa500,
-	  orangered: 0xff4500,
-	  orchid: 0xda70d6,
-	  palegoldenrod: 0xeee8aa,
-	  palegreen: 0x98fb98,
-	  paleturquoise: 0xafeeee,
-	  palevioletred: 0xdb7093,
-	  papayawhip: 0xffefd5,
-	  peachpuff: 0xffdab9,
-	  peru: 0xcd853f,
-	  pink: 0xffc0cb,
-	  plum: 0xdda0dd,
-	  powderblue: 0xb0e0e6,
-	  purple: 0x800080,
-	  rebeccapurple: 0x663399,
-	  red: 0xff0000,
-	  rosybrown: 0xbc8f8f,
-	  royalblue: 0x4169e1,
-	  saddlebrown: 0x8b4513,
-	  salmon: 0xfa8072,
-	  sandybrown: 0xf4a460,
-	  seagreen: 0x2e8b57,
-	  seashell: 0xfff5ee,
-	  sienna: 0xa0522d,
-	  silver: 0xc0c0c0,
-	  skyblue: 0x87ceeb,
-	  slateblue: 0x6a5acd,
-	  slategray: 0x708090,
-	  slategrey: 0x708090,
-	  snow: 0xfffafa,
-	  springgreen: 0x00ff7f,
-	  steelblue: 0x4682b4,
-	  tan: 0xd2b48c,
-	  teal: 0x008080,
-	  thistle: 0xd8bfd8,
-	  tomato: 0xff6347,
-	  turquoise: 0x40e0d0,
-	  violet: 0xee82ee,
-	  wheat: 0xf5deb3,
-	  white: 0xffffff,
-	  whitesmoke: 0xf5f5f5,
-	  yellow: 0xffff00,
-	  yellowgreen: 0x9acd32
-	};
-
-	define$1(Color, color, {
-	  copy: function(channels) {
-	    return Object.assign(new this.constructor, this, channels);
-	  },
-	  displayable: function() {
-	    return this.rgb().displayable();
-	  },
-	  hex: color_formatHex, // Deprecated! Use color.formatHex.
-	  formatHex: color_formatHex,
-	  formatHsl: color_formatHsl,
-	  formatRgb: color_formatRgb,
-	  toString: color_formatRgb
-	});
-
-	function color_formatHex() {
-	  return this.rgb().formatHex();
-	}
-
-	function color_formatHsl() {
-	  return hslConvert(this).formatHsl();
-	}
-
-	function color_formatRgb() {
-	  return this.rgb().formatRgb();
-	}
-
-	function color(format) {
-	  var m, l;
-	  format = (format + "").trim().toLowerCase();
-	  return (m = reHex.exec(format)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) // #ff0000
-	      : l === 3 ? new Rgb((m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1) // #f00
-	      : l === 8 ? rgba(m >> 24 & 0xff, m >> 16 & 0xff, m >> 8 & 0xff, (m & 0xff) / 0xff) // #ff000000
-	      : l === 4 ? rgba((m >> 12 & 0xf) | (m >> 8 & 0xf0), (m >> 8 & 0xf) | (m >> 4 & 0xf0), (m >> 4 & 0xf) | (m & 0xf0), (((m & 0xf) << 4) | (m & 0xf)) / 0xff) // #f000
-	      : null) // invalid hex
-	      : (m = reRgbInteger.exec(format)) ? new Rgb(m[1], m[2], m[3], 1) // rgb(255, 0, 0)
-	      : (m = reRgbPercent.exec(format)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) // rgb(100%, 0%, 0%)
-	      : (m = reRgbaInteger.exec(format)) ? rgba(m[1], m[2], m[3], m[4]) // rgba(255, 0, 0, 1)
-	      : (m = reRgbaPercent.exec(format)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) // rgb(100%, 0%, 0%, 1)
-	      : (m = reHslPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) // hsl(120, 50%, 50%)
-	      : (m = reHslaPercent.exec(format)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) // hsla(120, 50%, 50%, 1)
-	      : named.hasOwnProperty(format) ? rgbn(named[format]) // eslint-disable-line no-prototype-builtins
-	      : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0)
-	      : null;
-	}
-
-	function rgbn(n) {
-	  return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1);
-	}
-
-	function rgba(r, g, b, a) {
-	  if (a <= 0) r = g = b = NaN;
-	  return new Rgb(r, g, b, a);
-	}
-
-	function rgbConvert(o) {
-	  if (!(o instanceof Color)) o = color(o);
-	  if (!o) return new Rgb;
-	  o = o.rgb();
-	  return new Rgb(o.r, o.g, o.b, o.opacity);
-	}
-
-	function rgb(r, g, b, opacity) {
-	  return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity);
-	}
-
-	function Rgb(r, g, b, opacity) {
-	  this.r = +r;
-	  this.g = +g;
-	  this.b = +b;
-	  this.opacity = +opacity;
-	}
-
-	define$1(Rgb, rgb, extend(Color, {
-	  brighter: function(k) {
-	    k = k == null ? brighter : Math.pow(brighter, k);
-	    return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);
-	  },
-	  darker: function(k) {
-	    k = k == null ? darker : Math.pow(darker, k);
-	    return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);
-	  },
-	  rgb: function() {
-	    return this;
-	  },
-	  displayable: function() {
-	    return (-0.5 <= this.r && this.r < 255.5)
-	        && (-0.5 <= this.g && this.g < 255.5)
-	        && (-0.5 <= this.b && this.b < 255.5)
-	        && (0 <= this.opacity && this.opacity <= 1);
-	  },
-	  hex: rgb_formatHex, // Deprecated! Use color.formatHex.
-	  formatHex: rgb_formatHex,
-	  formatRgb: rgb_formatRgb,
-	  toString: rgb_formatRgb
-	}));
-
-	function rgb_formatHex() {
-	  return "#" + hex$1(this.r) + hex$1(this.g) + hex$1(this.b);
-	}
-
-	function rgb_formatRgb() {
-	  var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a));
-	  return (a === 1 ? "rgb(" : "rgba(")
-	      + Math.max(0, Math.min(255, Math.round(this.r) || 0)) + ", "
-	      + Math.max(0, Math.min(255, Math.round(this.g) || 0)) + ", "
-	      + Math.max(0, Math.min(255, Math.round(this.b) || 0))
-	      + (a === 1 ? ")" : ", " + a + ")");
-	}
-
-	function hex$1(value) {
-	  value = Math.max(0, Math.min(255, Math.round(value) || 0));
-	  return (value < 16 ? "0" : "") + value.toString(16);
-	}
-
-	function hsla(h, s, l, a) {
-	  if (a <= 0) h = s = l = NaN;
-	  else if (l <= 0 || l >= 1) h = s = NaN;
-	  else if (s <= 0) h = NaN;
-	  return new Hsl(h, s, l, a);
-	}
-
-	function hslConvert(o) {
-	  if (o instanceof Hsl) return new Hsl(o.h, o.s, o.l, o.opacity);
-	  if (!(o instanceof Color)) o = color(o);
-	  if (!o) return new Hsl;
-	  if (o instanceof Hsl) return o;
-	  o = o.rgb();
-	  var r = o.r / 255,
-	      g = o.g / 255,
-	      b = o.b / 255,
-	      min = Math.min(r, g, b),
-	      max = Math.max(r, g, b),
-	      h = NaN,
-	      s = max - min,
-	      l = (max + min) / 2;
-	  if (s) {
-	    if (r === max) h = (g - b) / s + (g < b) * 6;
-	    else if (g === max) h = (b - r) / s + 2;
-	    else h = (r - g) / s + 4;
-	    s /= l < 0.5 ? max + min : 2 - max - min;
-	    h *= 60;
-	  } else {
-	    s = l > 0 && l < 1 ? 0 : h;
-	  }
-	  return new Hsl(h, s, l, o.opacity);
-	}
-
-	function hsl(h, s, l, opacity) {
-	  return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity);
-	}
-
-	function Hsl(h, s, l, opacity) {
-	  this.h = +h;
-	  this.s = +s;
-	  this.l = +l;
-	  this.opacity = +opacity;
-	}
-
-	define$1(Hsl, hsl, extend(Color, {
-	  brighter: function(k) {
-	    k = k == null ? brighter : Math.pow(brighter, k);
-	    return new Hsl(this.h, this.s, this.l * k, this.opacity);
-	  },
-	  darker: function(k) {
-	    k = k == null ? darker : Math.pow(darker, k);
-	    return new Hsl(this.h, this.s, this.l * k, this.opacity);
-	  },
-	  rgb: function() {
-	    var h = this.h % 360 + (this.h < 0) * 360,
-	        s = isNaN(h) || isNaN(this.s) ? 0 : this.s,
-	        l = this.l,
-	        m2 = l + (l < 0.5 ? l : 1 - l) * s,
-	        m1 = 2 * l - m2;
-	    return new Rgb(
-	      hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2),
-	      hsl2rgb(h, m1, m2),
-	      hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2),
-	      this.opacity
-	    );
-	  },
-	  displayable: function() {
-	    return (0 <= this.s && this.s <= 1 || isNaN(this.s))
-	        && (0 <= this.l && this.l <= 1)
-	        && (0 <= this.opacity && this.opacity <= 1);
-	  },
-	  formatHsl: function() {
-	    var a = this.opacity; a = isNaN(a) ? 1 : Math.max(0, Math.min(1, a));
-	    return (a === 1 ? "hsl(" : "hsla(")
-	        + (this.h || 0) + ", "
-	        + (this.s || 0) * 100 + "%, "
-	        + (this.l || 0) * 100 + "%"
-	        + (a === 1 ? ")" : ", " + a + ")");
-	  }
-	}));
-
-	/* From FvD 13.37, CSS Color Module Level 3 */
-	function hsl2rgb(h, m1, m2) {
-	  return (h < 60 ? m1 + (m2 - m1) * h / 60
-	      : h < 180 ? m2
-	      : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60
-	      : m1) * 255;
-	}
-
-	function constant$2(x) {
-	  return function() {
-	    return x;
-	  };
-	}
-
-	function linear(a, d) {
-	  return function(t) {
-	    return a + t * d;
-	  };
-	}
-
-	function exponential(a, b, y) {
-	  return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) {
-	    return Math.pow(a + t * b, y);
-	  };
-	}
-
-	function gamma(y) {
-	  return (y = +y) === 1 ? nogamma : function(a, b) {
-	    return b - a ? exponential(a, b, y) : constant$2(isNaN(a) ? b : a);
-	  };
-	}
-
-	function nogamma(a, b) {
-	  var d = b - a;
-	  return d ? linear(a, d) : constant$2(isNaN(a) ? b : a);
-	}
-
-	var d3_interpolateRgb = (function rgbGamma(y) {
-	  var color = gamma(y);
-
-	  function rgb$1(start, end) {
-	    var r = color((start = rgb(start)).r, (end = rgb(end)).r),
-	        g = color(start.g, end.g),
-	        b = color(start.b, end.b),
-	        opacity = nogamma(start.opacity, end.opacity);
-	    return function(t) {
-	      start.r = r(t);
-	      start.g = g(t);
-	      start.b = b(t);
-	      start.opacity = opacity(t);
-	      return start + "";
-	    };
-	  }
-
-	  rgb$1.gamma = rgbGamma;
-
-	  return rgb$1;
-	})(1);
-
-	function numberArray(a, b) {
-	  if (!b) b = [];
-	  var n = a ? Math.min(b.length, a.length) : 0,
-	      c = b.slice(),
-	      i;
-	  return function(t) {
-	    for (i = 0; i < n; ++i) c[i] = a[i] * (1 - t) + b[i] * t;
-	    return c;
-	  };
-	}
-
-	function isNumberArray(x) {
-	  return ArrayBuffer.isView(x) && !(x instanceof DataView);
-	}
-
-	function genericArray(a, b) {
-	  var nb = b ? b.length : 0,
-	      na = a ? Math.min(nb, a.length) : 0,
-	      x = new Array(na),
-	      c = new Array(nb),
-	      i;
-
-	  for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]);
-	  for (; i < nb; ++i) c[i] = b[i];
-
-	  return function(t) {
-	    for (i = 0; i < na; ++i) c[i] = x[i](t);
-	    return c;
-	  };
-	}
-
-	function date(a, b) {
-	  var d = new Date;
-	  return a = +a, b = +b, function(t) {
-	    return d.setTime(a * (1 - t) + b * t), d;
-	  };
-	}
-
-	function d3_interpolateNumber(a, b) {
-	  return a = +a, b = +b, function(t) {
-	    return a * (1 - t) + b * t;
-	  };
-	}
-
-	function object(a, b) {
-	  var i = {},
-	      c = {},
-	      k;
-
-	  if (a === null || typeof a !== "object") a = {};
-	  if (b === null || typeof b !== "object") b = {};
-
-	  for (k in b) {
-	    if (k in a) {
-	      i[k] = interpolate(a[k], b[k]);
-	    } else {
-	      c[k] = b[k];
-	    }
-	  }
-
-	  return function(t) {
-	    for (k in i) c[k] = i[k](t);
-	    return c;
-	  };
-	}
-
-	var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g,
-	    reB = new RegExp(reA.source, "g");
-
-	function zero(b) {
-	  return function() {
-	    return b;
-	  };
-	}
-
-	function one(b) {
-	  return function(t) {
-	    return b(t) + "";
-	  };
-	}
-
-	function interpolateString(a, b) {
-	  var bi = reA.lastIndex = reB.lastIndex = 0, // scan index for next number in b
-	      am, // current match in a
-	      bm, // current match in b
-	      bs, // string preceding current number in b, if any
-	      i = -1, // index in s
-	      s = [], // string constants and placeholders
-	      q = []; // number interpolators
-
-	  // Coerce inputs to strings.
-	  a = a + "", b = b + "";
-
-	  // Interpolate pairs of numbers in a & b.
-	  while ((am = reA.exec(a))
-	      && (bm = reB.exec(b))) {
-	    if ((bs = bm.index) > bi) { // a string precedes the next number in b
-	      bs = b.slice(bi, bs);
-	      if (s[i]) s[i] += bs; // coalesce with previous string
-	      else s[++i] = bs;
-	    }
-	    if ((am = am[0]) === (bm = bm[0])) { // numbers in a & b match
-	      if (s[i]) s[i] += bm; // coalesce with previous string
-	      else s[++i] = bm;
-	    } else { // interpolate non-matching numbers
-	      s[++i] = null;
-	      q.push({i: i, x: d3_interpolateNumber(am, bm)});
-	    }
-	    bi = reB.lastIndex;
-	  }
-
-	  // Add remains of b.
-	  if (bi < b.length) {
-	    bs = b.slice(bi);
-	    if (s[i]) s[i] += bs; // coalesce with previous string
-	    else s[++i] = bs;
-	  }
-
-	  // Special optimization for only a single match.
-	  // Otherwise, interpolate each of the numbers and rejoin the string.
-	  return s.length < 2 ? (q[0]
-	      ? one(q[0].x)
-	      : zero(b))
-	      : (b = q.length, function(t) {
-	          for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
-	          return s.join("");
-	        });
-	}
-
-	function interpolate(a, b) {
-	  var t = typeof b, c;
-	  return b == null || t === "boolean" ? constant$2(b)
-	      : (t === "number" ? d3_interpolateNumber
-	      : t === "string" ? ((c = color(b)) ? (b = c, d3_interpolateRgb) : interpolateString)
-	      : b instanceof color ? d3_interpolateRgb
-	      : b instanceof Date ? date
-	      : isNumberArray(b) ? numberArray
-	      : Array.isArray(b) ? genericArray
-	      : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object
-	      : d3_interpolateNumber)(a, b);
-	}
-
-	function interpolateRound(a, b) {
-	  return a = +a, b = +b, function(t) {
-	    return Math.round(a * (1 - t) + b * t);
-	  };
-	}
-
-	var degrees$1 = 180 / Math.PI;
-
-	var identity$1 = {
-	  translateX: 0,
-	  translateY: 0,
-	  rotate: 0,
-	  skewX: 0,
-	  scaleX: 1,
-	  scaleY: 1
-	};
-
-	function decompose(a, b, c, d, e, f) {
-	  var scaleX, scaleY, skewX;
-	  if (scaleX = Math.sqrt(a * a + b * b)) a /= scaleX, b /= scaleX;
-	  if (skewX = a * c + b * d) c -= a * skewX, d -= b * skewX;
-	  if (scaleY = Math.sqrt(c * c + d * d)) c /= scaleY, d /= scaleY, skewX /= scaleY;
-	  if (a * d < b * c) a = -a, b = -b, skewX = -skewX, scaleX = -scaleX;
-	  return {
-	    translateX: e,
-	    translateY: f,
-	    rotate: Math.atan2(b, a) * degrees$1,
-	    skewX: Math.atan(skewX) * degrees$1,
-	    scaleX: scaleX,
-	    scaleY: scaleY
-	  };
-	}
-
-	var cssNode,
-	    cssRoot,
-	    cssView,
-	    svgNode;
-
-	function parseCss(value) {
-	  if (value === "none") return identity$1;
-	  if (!cssNode) cssNode = document.createElement("DIV"), cssRoot = document.documentElement, cssView = document.defaultView;
-	  cssNode.style.transform = value;
-	  value = cssView.getComputedStyle(cssRoot.appendChild(cssNode), null).getPropertyValue("transform");
-	  cssRoot.removeChild(cssNode);
-	  value = value.slice(7, -1).split(",");
-	  return decompose(+value[0], +value[1], +value[2], +value[3], +value[4], +value[5]);
-	}
-
-	function parseSvg(value) {
-	  if (value == null) return identity$1;
-	  if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g");
-	  svgNode.setAttribute("transform", value);
-	  if (!(value = svgNode.transform.baseVal.consolidate())) return identity$1;
-	  value = value.matrix;
-	  return decompose(value.a, value.b, value.c, value.d, value.e, value.f);
-	}
-
-	function interpolateTransform(parse, pxComma, pxParen, degParen) {
-
-	  function pop(s) {
-	    return s.length ? s.pop() + " " : "";
-	  }
-
-	  function translate(xa, ya, xb, yb, s, q) {
-	    if (xa !== xb || ya !== yb) {
-	      var i = s.push("translate(", null, pxComma, null, pxParen);
-	      q.push({i: i - 4, x: d3_interpolateNumber(xa, xb)}, {i: i - 2, x: d3_interpolateNumber(ya, yb)});
-	    } else if (xb || yb) {
-	      s.push("translate(" + xb + pxComma + yb + pxParen);
-	    }
-	  }
-
-	  function rotate(a, b, s, q) {
-	    if (a !== b) {
-	      if (a - b > 180) b += 360; else if (b - a > 180) a += 360; // shortest path
-	      q.push({i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: d3_interpolateNumber(a, b)});
-	    } else if (b) {
-	      s.push(pop(s) + "rotate(" + b + degParen);
-	    }
-	  }
-
-	  function skewX(a, b, s, q) {
-	    if (a !== b) {
-	      q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: d3_interpolateNumber(a, b)});
-	    } else if (b) {
-	      s.push(pop(s) + "skewX(" + b + degParen);
-	    }
-	  }
-
-	  function scale(xa, ya, xb, yb, s, q) {
-	    if (xa !== xb || ya !== yb) {
-	      var i = s.push(pop(s) + "scale(", null, ",", null, ")");
-	      q.push({i: i - 4, x: d3_interpolateNumber(xa, xb)}, {i: i - 2, x: d3_interpolateNumber(ya, yb)});
-	    } else if (xb !== 1 || yb !== 1) {
-	      s.push(pop(s) + "scale(" + xb + "," + yb + ")");
-	    }
-	  }
-
-	  return function(a, b) {
-	    var s = [], // string constants and placeholders
-	        q = []; // number interpolators
-	    a = parse(a), b = parse(b);
-	    translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q);
-	    rotate(a.rotate, b.rotate, s, q);
-	    skewX(a.skewX, b.skewX, s, q);
-	    scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q);
-	    a = b = null; // gc
-	    return function(t) {
-	      var i = -1, n = q.length, o;
-	      while (++i < n) s[(o = q[i]).i] = o.x(t);
-	      return s.join("");
-	    };
-	  };
-	}
-
-	var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)");
-	var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")");
-
-	var rho = Math.SQRT2,
-	    rho2 = 2,
-	    rho4 = 4,
-	    epsilon2$1 = 1e-12;
-
-	function cosh(x) {
-	  return ((x = Math.exp(x)) + 1 / x) / 2;
-	}
-
-	function sinh(x) {
-	  return ((x = Math.exp(x)) - 1 / x) / 2;
-	}
-
-	function tanh(x) {
-	  return ((x = Math.exp(2 * x)) - 1) / (x + 1);
-	}
-
-	// p0 = [ux0, uy0, w0]
-	// p1 = [ux1, uy1, w1]
-	function interpolateZoom(p0, p1) {
-	  var ux0 = p0[0], uy0 = p0[1], w0 = p0[2],
-	      ux1 = p1[0], uy1 = p1[1], w1 = p1[2],
-	      dx = ux1 - ux0,
-	      dy = uy1 - uy0,
-	      d2 = dx * dx + dy * dy,
-	      i,
-	      S;
-
-	  // Special case for u0 ≅ u1.
-	  if (d2 < epsilon2$1) {
-	    S = Math.log(w1 / w0) / rho;
-	    i = function(t) {
-	      return [
-	        ux0 + t * dx,
-	        uy0 + t * dy,
-	        w0 * Math.exp(rho * t * S)
-	      ];
-	    };
-	  }
-
-	  // General case.
-	  else {
-	    var d1 = Math.sqrt(d2),
-	        b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1),
-	        b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1),
-	        r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0),
-	        r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1);
-	    S = (r1 - r0) / rho;
-	    i = function(t) {
-	      var s = t * S,
-	          coshr0 = cosh(r0),
-	          u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0));
-	      return [
-	        ux0 + u * dx,
-	        uy0 + u * dy,
-	        w0 * coshr0 / cosh(rho * s + r0)
-	      ];
-	    };
-	  }
-
-	  i.duration = S * 1000;
-
-	  return i;
-	}
-
-	function d3_quantize(interpolator, n) {
-	  var samples = new Array(n);
-	  for (var i = 0; i < n; ++i) samples[i] = interpolator(i / (n - 1));
-	  return samples;
-	}
-
-	var frame = 0, // is an animation frame pending?
-	    timeout = 0, // is a timeout pending?
-	    interval = 0, // are any timers active?
-	    pokeDelay = 1000, // how frequently we check for clock skew
-	    taskHead,
-	    taskTail,
-	    clockLast = 0,
-	    clockNow = 0,
-	    clockSkew = 0,
-	    clock = typeof performance === "object" && performance.now ? performance : Date,
-	    setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f) { setTimeout(f, 17); };
-
-	function now() {
-	  return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew);
-	}
-
-	function clearNow() {
-	  clockNow = 0;
-	}
-
-	function Timer() {
-	  this._call =
-	  this._time =
-	  this._next = null;
-	}
-
-	Timer.prototype = timer.prototype = {
-	  constructor: Timer,
-	  restart: function(callback, delay, time) {
-	    if (typeof callback !== "function") throw new TypeError("callback is not a function");
-	    time = (time == null ? now() : +time) + (delay == null ? 0 : +delay);
-	    if (!this._next && taskTail !== this) {
-	      if (taskTail) taskTail._next = this;
-	      else taskHead = this;
-	      taskTail = this;
-	    }
-	    this._call = callback;
-	    this._time = time;
-	    sleep();
-	  },
-	  stop: function() {
-	    if (this._call) {
-	      this._call = null;
-	      this._time = Infinity;
-	      sleep();
-	    }
-	  }
-	};
-
-	function timer(callback, delay, time) {
-	  var t = new Timer;
-	  t.restart(callback, delay, time);
-	  return t;
-	}
-
-	function timerFlush() {
-	  now(); // Get the current time, if not already set.
-	  ++frame; // Pretend we’ve set an alarm, if we haven’t already.
-	  var t = taskHead, e;
-	  while (t) {
-	    if ((e = clockNow - t._time) >= 0) t._call.call(null, e);
-	    t = t._next;
-	  }
-	  --frame;
-	}
-
-	function wake() {
-	  clockNow = (clockLast = clock.now()) + clockSkew;
-	  frame = timeout = 0;
-	  try {
-	    timerFlush();
-	  } finally {
-	    frame = 0;
-	    nap();
-	    clockNow = 0;
-	  }
-	}
-
-	function poke() {
-	  var now = clock.now(), delay = now - clockLast;
-	  if (delay > pokeDelay) clockSkew -= delay, clockLast = now;
-	}
-
-	function nap() {
-	  var t0, t1 = taskHead, t2, time = Infinity;
-	  while (t1) {
-	    if (t1._call) {
-	      if (time > t1._time) time = t1._time;
-	      t0 = t1, t1 = t1._next;
-	    } else {
-	      t2 = t1._next, t1._next = null;
-	      t1 = t0 ? t0._next = t2 : taskHead = t2;
-	    }
-	  }
-	  taskTail = t0;
-	  sleep(time);
-	}
-
-	function sleep(time) {
-	  if (frame) return; // Soonest alarm already set, or will be.
-	  if (timeout) timeout = clearTimeout(timeout);
-	  var delay = time - clockNow; // Strictly less than if we recomputed clockNow.
-	  if (delay > 24) {
-	    if (time < Infinity) timeout = setTimeout(wake, time - clock.now() - clockSkew);
-	    if (interval) interval = clearInterval(interval);
-	  } else {
-	    if (!interval) clockLast = clock.now(), interval = setInterval(poke, pokeDelay);
-	    frame = 1, setFrame(wake);
-	  }
-	}
-
-	function d3_timeout(callback, delay, time) {
-	  var t = new Timer;
-	  delay = delay == null ? 0 : +delay;
-	  t.restart(function(elapsed) {
-	    t.stop();
-	    callback(elapsed + delay);
-	  }, delay, time);
-	  return t;
-	}
-
-	var emptyOn = dispatch("start", "end", "cancel", "interrupt");
-	var emptyTween = [];
-
-	var CREATED = 0;
-	var SCHEDULED = 1;
-	var STARTING = 2;
-	var STARTED = 3;
-	var RUNNING = 4;
-	var ENDING = 5;
-	var ENDED = 6;
-
-	function schedule(node, name, id, index, group, timing) {
-	  var schedules = node.__transition;
-	  if (!schedules) node.__transition = {};
-	  else if (id in schedules) return;
-	  create$7(node, id, {
-	    name: name,
-	    index: index, // For context during callback.
-	    group: group, // For context during callback.
-	    on: emptyOn,
-	    tween: emptyTween,
-	    time: timing.time,
-	    delay: timing.delay,
-	    duration: timing.duration,
-	    ease: timing.ease,
-	    timer: null,
-	    state: CREATED
-	  });
-	}
-
-	function init(node, id) {
-	  var schedule = get$2(node, id);
-	  if (schedule.state > CREATED) throw new Error("too late; already scheduled");
-	  return schedule;
-	}
-
-	function set$1(node, id) {
-	  var schedule = get$2(node, id);
-	  if (schedule.state > STARTED) throw new Error("too late; already running");
-	  return schedule;
-	}
-
-	function get$2(node, id) {
-	  var schedule = node.__transition;
-	  if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found");
-	  return schedule;
-	}
-
-	function create$7(node, id, self) {
-	  var schedules = node.__transition,
-	      tween;
-
-	  // Initialize the self timer when the transition is created.
-	  // Note the actual delay is not known until the first callback!
-	  schedules[id] = self;
-	  self.timer = timer(schedule, 0, self.time);
-
-	  function schedule(elapsed) {
-	    self.state = SCHEDULED;
-	    self.timer.restart(start, self.delay, self.time);
-
-	    // If the elapsed delay is less than our first sleep, start immediately.
-	    if (self.delay <= elapsed) start(elapsed - self.delay);
-	  }
-
-	  function start(elapsed) {
-	    var i, j, n, o;
-
-	    // If the state is not SCHEDULED, then we previously errored on start.
-	    if (self.state !== SCHEDULED) return stop();
-
-	    for (i in schedules) {
-	      o = schedules[i];
-	      if (o.name !== self.name) continue;
-
-	      // While this element already has a starting transition during this frame,
-	      // defer starting an interrupting transition until that transition has a
-	      // chance to tick (and possibly end); see d3/d3-transition#54!
-	      if (o.state === STARTED) return d3_timeout(start);
-
-	      // Interrupt the active transition, if any.
-	      if (o.state === RUNNING) {
-	        o.state = ENDED;
-	        o.timer.stop();
-	        o.on.call("interrupt", node, node.__data__, o.index, o.group);
-	        delete schedules[i];
-	      }
-
-	      // Cancel any pre-empted transitions.
-	      else if (+i < id) {
-	        o.state = ENDED;
-	        o.timer.stop();
-	        o.on.call("cancel", node, node.__data__, o.index, o.group);
-	        delete schedules[i];
-	      }
-	    }
-
-	    // Defer the first tick to end of the current frame; see d3/d3#1576.
-	    // Note the transition may be canceled after start and before the first tick!
-	    // Note this must be scheduled before the start event; see d3/d3-transition#16!
-	    // Assuming this is successful, subsequent callbacks go straight to tick.
-	    d3_timeout(function() {
-	      if (self.state === STARTED) {
-	        self.state = RUNNING;
-	        self.timer.restart(tick, self.delay, self.time);
-	        tick(elapsed);
-	      }
-	    });
-
-	    // Dispatch the start event.
-	    // Note this must be done before the tween are initialized.
-	    self.state = STARTING;
-	    self.on.call("start", node, node.__data__, self.index, self.group);
-	    if (self.state !== STARTING) return; // interrupted
-	    self.state = STARTED;
-
-	    // Initialize the tween, deleting null tween.
-	    tween = new Array(n = self.tween.length);
-	    for (i = 0, j = -1; i < n; ++i) {
-	      if (o = self.tween[i].value.call(node, node.__data__, self.index, self.group)) {
-	        tween[++j] = o;
-	      }
-	    }
-	    tween.length = j + 1;
-	  }
-
-	  function tick(elapsed) {
-	    var t = elapsed < self.duration ? self.ease.call(null, elapsed / self.duration) : (self.timer.restart(stop), self.state = ENDING, 1),
-	        i = -1,
-	        n = tween.length;
-
-	    while (++i < n) {
-	      tween[i].call(node, t);
-	    }
-
-	    // Dispatch the end event.
-	    if (self.state === ENDING) {
-	      self.on.call("end", node, node.__data__, self.index, self.group);
-	      stop();
-	    }
-	  }
-
-	  function stop() {
-	    self.state = ENDED;
-	    self.timer.stop();
-	    delete schedules[id];
-	    for (var i in schedules) return; // eslint-disable-line no-unused-vars
-	    delete node.__transition;
-	  }
-	}
-
-	function interrupt(node, name) {
-	  var schedules = node.__transition,
-	      schedule,
-	      active,
-	      empty = true,
-	      i;
-
-	  if (!schedules) return;
-
-	  name = name == null ? null : name + "";
-
-	  for (i in schedules) {
-	    if ((schedule = schedules[i]).name !== name) { empty = false; continue; }
-	    active = schedule.state > STARTING && schedule.state < ENDING;
-	    schedule.state = ENDED;
-	    schedule.timer.stop();
-	    schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group);
-	    delete schedules[i];
-	  }
-
-	  if (empty) delete node.__transition;
-	}
-
-	function selection_interrupt(name) {
-	  return this.each(function() {
-	    interrupt(this, name);
-	  });
-	}
-
-	function tweenRemove(id, name) {
-	  var tween0, tween1;
-	  return function() {
-	    var schedule = set$1(this, id),
-	        tween = schedule.tween;
-
-	    // If this node shared tween with the previous node,
-	    // just assign the updated shared tween and we’re done!
-	    // Otherwise, copy-on-write.
-	    if (tween !== tween0) {
-	      tween1 = tween0 = tween;
-	      for (var i = 0, n = tween1.length; i < n; ++i) {
-	        if (tween1[i].name === name) {
-	          tween1 = tween1.slice();
-	          tween1.splice(i, 1);
-	          break;
-	        }
-	      }
-	    }
-
-	    schedule.tween = tween1;
-	  };
-	}
-
-	function tweenFunction(id, name, value) {
-	  var tween0, tween1;
-	  if (typeof value !== "function") throw new Error;
-	  return function() {
-	    var schedule = set$1(this, id),
-	        tween = schedule.tween;
-
-	    // If this node shared tween with the previous node,
-	    // just assign the updated shared tween and we’re done!
-	    // Otherwise, copy-on-write.
-	    if (tween !== tween0) {
-	      tween1 = (tween0 = tween).slice();
-	      for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) {
-	        if (tween1[i].name === name) {
-	          tween1[i] = t;
-	          break;
-	        }
-	      }
-	      if (i === n) tween1.push(t);
-	    }
-
-	    schedule.tween = tween1;
-	  };
-	}
-
-	function transition_tween(name, value) {
-	  var id = this._id;
-
-	  name += "";
-
-	  if (arguments.length < 2) {
-	    var tween = get$2(this.node(), id).tween;
-	    for (var i = 0, n = tween.length, t; i < n; ++i) {
-	      if ((t = tween[i]).name === name) {
-	        return t.value;
-	      }
-	    }
-	    return null;
-	  }
-
-	  return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value));
-	}
-
-	function tweenValue(transition, name, value) {
-	  var id = transition._id;
-
-	  transition.each(function() {
-	    var schedule = set$1(this, id);
-	    (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments);
-	  });
-
-	  return function(node) {
-	    return get$2(node, id).value[name];
-	  };
-	}
-
-	function interpolate$1(a, b) {
-	  var c;
-	  return (typeof b === "number" ? d3_interpolateNumber
-	      : b instanceof color ? d3_interpolateRgb
-	      : (c = color(b)) ? (b = c, d3_interpolateRgb)
-	      : interpolateString)(a, b);
-	}
-
-	function attrRemove$1(name) {
-	  return function() {
-	    this.removeAttribute(name);
-	  };
-	}
-
-	function attrRemoveNS$1(fullname) {
-	  return function() {
-	    this.removeAttributeNS(fullname.space, fullname.local);
-	  };
-	}
-
-	function attrConstant$1(name, interpolate, value1) {
-	  var string00,
-	      string1 = value1 + "",
-	      interpolate0;
-	  return function() {
-	    var string0 = this.getAttribute(name);
-	    return string0 === string1 ? null
-	        : string0 === string00 ? interpolate0
-	        : interpolate0 = interpolate(string00 = string0, value1);
-	  };
-	}
-
-	function attrConstantNS$1(fullname, interpolate, value1) {
-	  var string00,
-	      string1 = value1 + "",
-	      interpolate0;
-	  return function() {
-	    var string0 = this.getAttributeNS(fullname.space, fullname.local);
-	    return string0 === string1 ? null
-	        : string0 === string00 ? interpolate0
-	        : interpolate0 = interpolate(string00 = string0, value1);
-	  };
-	}
-
-	function attrFunction$1(name, interpolate, value) {
-	  var string00,
-	      string10,
-	      interpolate0;
-	  return function() {
-	    var string0, value1 = value(this), string1;
-	    if (value1 == null) return void this.removeAttribute(name);
-	    string0 = this.getAttribute(name);
-	    string1 = value1 + "";
-	    return string0 === string1 ? null
-	        : string0 === string00 && string1 === string10 ? interpolate0
-	        : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));
-	  };
-	}
-
-	function attrFunctionNS$1(fullname, interpolate, value) {
-	  var string00,
-	      string10,
-	      interpolate0;
-	  return function() {
-	    var string0, value1 = value(this), string1;
-	    if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local);
-	    string0 = this.getAttributeNS(fullname.space, fullname.local);
-	    string1 = value1 + "";
-	    return string0 === string1 ? null
-	        : string0 === string00 && string1 === string10 ? interpolate0
-	        : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));
-	  };
-	}
-
-	function transition_attr(name, value) {
-	  var fullname = namespace(name), i = fullname === "transform" ? interpolateTransformSvg : interpolate$1;
-	  return this.attrTween(name, typeof value === "function"
-	      ? (fullname.local ? attrFunctionNS$1 : attrFunction$1)(fullname, i, tweenValue(this, "attr." + name, value))
-	      : value == null ? (fullname.local ? attrRemoveNS$1 : attrRemove$1)(fullname)
-	      : (fullname.local ? attrConstantNS$1 : attrConstant$1)(fullname, i, value));
-	}
-
-	function attrInterpolate(name, i) {
-	  return function(t) {
-	    this.setAttribute(name, i.call(this, t));
-	  };
-	}
-
-	function attrInterpolateNS(fullname, i) {
-	  return function(t) {
-	    this.setAttributeNS(fullname.space, fullname.local, i.call(this, t));
-	  };
-	}
-
-	function attrTweenNS(fullname, value) {
-	  var t0, i0;
-	  function tween() {
-	    var i = value.apply(this, arguments);
-	    if (i !== i0) t0 = (i0 = i) && attrInterpolateNS(fullname, i);
-	    return t0;
-	  }
-	  tween._value = value;
-	  return tween;
-	}
-
-	function attrTween(name, value) {
-	  var t0, i0;
-	  function tween() {
-	    var i = value.apply(this, arguments);
-	    if (i !== i0) t0 = (i0 = i) && attrInterpolate(name, i);
-	    return t0;
-	  }
-	  tween._value = value;
-	  return tween;
-	}
-
-	function transition_attrTween(name, value) {
-	  var key = "attr." + name;
-	  if (arguments.length < 2) return (key = this.tween(key)) && key._value;
-	  if (value == null) return this.tween(key, null);
-	  if (typeof value !== "function") throw new Error;
-	  var fullname = namespace(name);
-	  return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value));
-	}
-
-	function delayFunction(id, value) {
-	  return function() {
-	    init(this, id).delay = +value.apply(this, arguments);
-	  };
-	}
-
-	function delayConstant(id, value) {
-	  return value = +value, function() {
-	    init(this, id).delay = value;
-	  };
-	}
-
-	function transition_delay(value) {
-	  var id = this._id;
-
-	  return arguments.length
-	      ? this.each((typeof value === "function"
-	          ? delayFunction
-	          : delayConstant)(id, value))
-	      : get$2(this.node(), id).delay;
-	}
-
-	function durationFunction(id, value) {
-	  return function() {
-	    set$1(this, id).duration = +value.apply(this, arguments);
-	  };
-	}
-
-	function durationConstant(id, value) {
-	  return value = +value, function() {
-	    set$1(this, id).duration = value;
-	  };
-	}
-
-	function transition_duration(value) {
-	  var id = this._id;
-
-	  return arguments.length
-	      ? this.each((typeof value === "function"
-	          ? durationFunction
-	          : durationConstant)(id, value))
-	      : get$2(this.node(), id).duration;
-	}
-
-	function easeConstant(id, value) {
-	  if (typeof value !== "function") throw new Error;
-	  return function() {
-	    set$1(this, id).ease = value;
-	  };
-	}
-
-	function transition_ease(value) {
-	  var id = this._id;
-
-	  return arguments.length
-	      ? this.each(easeConstant(id, value))
-	      : get$2(this.node(), id).ease;
-	}
-
-	function transition_filter(match) {
-	  if (typeof match !== "function") match = matcher(match);
-
-	  for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, subgroup = subgroups[j] = [], node, i = 0; i < n; ++i) {
-	      if ((node = group[i]) && match.call(node, node.__data__, i, group)) {
-	        subgroup.push(node);
-	      }
-	    }
-	  }
-
-	  return new Transition(subgroups, this._parents, this._name, this._id);
-	}
-
-	function transition_merge(transition) {
-	  if (transition._id !== this._id) throw new Error;
-
-	  for (var groups0 = this._groups, groups1 = transition._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j = 0; j < m; ++j) {
-	    for (var group0 = groups0[j], group1 = groups1[j], n = group0.length, merge = merges[j] = new Array(n), node, i = 0; i < n; ++i) {
-	      if (node = group0[i] || group1[i]) {
-	        merge[i] = node;
-	      }
-	    }
-	  }
-
-	  for (; j < m0; ++j) {
-	    merges[j] = groups0[j];
-	  }
-
-	  return new Transition(merges, this._parents, this._name, this._id);
-	}
-
-	function start(name) {
-	  return (name + "").trim().split(/^|\s+/).every(function(t) {
-	    var i = t.indexOf(".");
-	    if (i >= 0) t = t.slice(0, i);
-	    return !t || t === "start";
-	  });
-	}
-
-	function onFunction(id, name, listener) {
-	  var on0, on1, sit = start(name) ? init : set$1;
-	  return function() {
-	    var schedule = sit(this, id),
-	        on = schedule.on;
-
-	    // If this node shared a dispatch with the previous node,
-	    // just assign the updated shared dispatch and we’re done!
-	    // Otherwise, copy-on-write.
-	    if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener);
-
-	    schedule.on = on1;
-	  };
-	}
-
-	function transition_on(name, listener) {
-	  var id = this._id;
-
-	  return arguments.length < 2
-	      ? get$2(this.node(), id).on.on(name)
-	      : this.each(onFunction(id, name, listener));
-	}
-
-	function removeFunction(id) {
-	  return function() {
-	    var parent = this.parentNode;
-	    for (var i in this.__transition) if (+i !== id) return;
-	    if (parent) parent.removeChild(this);
-	  };
-	}
-
-	function transition_remove() {
-	  return this.on("end.remove", removeFunction(this._id));
-	}
-
-	function transition_select(select) {
-	  var name = this._name,
-	      id = this._id;
-
-	  if (typeof select !== "function") select = selector(select);
-
-	  for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) {
-	      if ((node = group[i]) && (subnode = select.call(node, node.__data__, i, group))) {
-	        if ("__data__" in node) subnode.__data__ = node.__data__;
-	        subgroup[i] = subnode;
-	        schedule(subgroup[i], name, id, i, subgroup, get$2(node, id));
-	      }
-	    }
-	  }
-
-	  return new Transition(subgroups, this._parents, name, id);
-	}
-
-	function transition_selectAll(select) {
-	  var name = this._name,
-	      id = this._id;
-
-	  if (typeof select !== "function") select = selectorAll(select);
-
-	  for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
-	      if (node = group[i]) {
-	        for (var children = select.call(node, node.__data__, i, group), child, inherit = get$2(node, id), k = 0, l = children.length; k < l; ++k) {
-	          if (child = children[k]) {
-	            schedule(child, name, id, k, children, inherit);
-	          }
-	        }
-	        subgroups.push(children);
-	        parents.push(node);
-	      }
-	    }
-	  }
-
-	  return new Transition(subgroups, parents, name, id);
-	}
-
-	var Selection$1 = selection.prototype.constructor;
-
-	function transition_selection() {
-	  return new Selection$1(this._groups, this._parents);
-	}
-
-	function styleNull(name, interpolate) {
-	  var string00,
-	      string10,
-	      interpolate0;
-	  return function() {
-	    var string0 = styleValue(this, name),
-	        string1 = (this.style.removeProperty(name), styleValue(this, name));
-	    return string0 === string1 ? null
-	        : string0 === string00 && string1 === string10 ? interpolate0
-	        : interpolate0 = interpolate(string00 = string0, string10 = string1);
-	  };
-	}
-
-	function styleRemove$1(name) {
-	  return function() {
-	    this.style.removeProperty(name);
-	  };
-	}
-
-	function styleConstant$1(name, interpolate, value1) {
-	  var string00,
-	      string1 = value1 + "",
-	      interpolate0;
-	  return function() {
-	    var string0 = styleValue(this, name);
-	    return string0 === string1 ? null
-	        : string0 === string00 ? interpolate0
-	        : interpolate0 = interpolate(string00 = string0, value1);
-	  };
-	}
-
-	function styleFunction$1(name, interpolate, value) {
-	  var string00,
-	      string10,
-	      interpolate0;
-	  return function() {
-	    var string0 = styleValue(this, name),
-	        value1 = value(this),
-	        string1 = value1 + "";
-	    if (value1 == null) string1 = value1 = (this.style.removeProperty(name), styleValue(this, name));
-	    return string0 === string1 ? null
-	        : string0 === string00 && string1 === string10 ? interpolate0
-	        : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));
-	  };
-	}
-
-	function styleMaybeRemove(id, name) {
-	  var on0, on1, listener0, key = "style." + name, event = "end." + key, remove;
-	  return function() {
-	    var schedule = set$1(this, id),
-	        on = schedule.on,
-	        listener = schedule.value[key] == null ? remove || (remove = styleRemove$1(name)) : undefined;
-
-	    // If this node shared a dispatch with the previous node,
-	    // just assign the updated shared dispatch and we’re done!
-	    // Otherwise, copy-on-write.
-	    if (on !== on0 || listener0 !== listener) (on1 = (on0 = on).copy()).on(event, listener0 = listener);
-
-	    schedule.on = on1;
-	  };
-	}
-
-	function transition_style(name, value, priority) {
-	  var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1;
-	  return value == null ? this
-	      .styleTween(name, styleNull(name, i))
-	      .on("end.style." + name, styleRemove$1(name))
-	    : typeof value === "function" ? this
-	      .styleTween(name, styleFunction$1(name, i, tweenValue(this, "style." + name, value)))
-	      .each(styleMaybeRemove(this._id, name))
-	    : this
-	      .styleTween(name, styleConstant$1(name, i, value), priority)
-	      .on("end.style." + name, null);
-	}
-
-	function styleInterpolate(name, i, priority) {
-	  return function(t) {
-	    this.style.setProperty(name, i.call(this, t), priority);
-	  };
-	}
-
-	function styleTween(name, value, priority) {
-	  var t, i0;
-	  function tween() {
-	    var i = value.apply(this, arguments);
-	    if (i !== i0) t = (i0 = i) && styleInterpolate(name, i, priority);
-	    return t;
-	  }
-	  tween._value = value;
-	  return tween;
-	}
-
-	function transition_styleTween(name, value, priority) {
-	  var key = "style." + (name += "");
-	  if (arguments.length < 2) return (key = this.tween(key)) && key._value;
-	  if (value == null) return this.tween(key, null);
-	  if (typeof value !== "function") throw new Error;
-	  return this.tween(key, styleTween(name, value, priority == null ? "" : priority));
-	}
-
-	function textConstant$1(value) {
-	  return function() {
-	    this.textContent = value;
-	  };
-	}
-
-	function textFunction$1(value) {
-	  return function() {
-	    var value1 = value(this);
-	    this.textContent = value1 == null ? "" : value1;
-	  };
-	}
-
-	function transition_text(value) {
-	  return this.tween("text", typeof value === "function"
-	      ? textFunction$1(tweenValue(this, "text", value))
-	      : textConstant$1(value == null ? "" : value + ""));
-	}
-
-	function textInterpolate(i) {
-	  return function(t) {
-	    this.textContent = i.call(this, t);
-	  };
-	}
-
-	function textTween(value) {
-	  var t0, i0;
-	  function tween() {
-	    var i = value.apply(this, arguments);
-	    if (i !== i0) t0 = (i0 = i) && textInterpolate(i);
-	    return t0;
-	  }
-	  tween._value = value;
-	  return tween;
-	}
-
-	function transition_textTween(value) {
-	  var key = "text";
-	  if (arguments.length < 1) return (key = this.tween(key)) && key._value;
-	  if (value == null) return this.tween(key, null);
-	  if (typeof value !== "function") throw new Error;
-	  return this.tween(key, textTween(value));
-	}
-
-	function transition_transition() {
-	  var name = this._name,
-	      id0 = this._id,
-	      id1 = newId();
-
-	  for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
-	      if (node = group[i]) {
-	        var inherit = get$2(node, id0);
-	        schedule(node, name, id1, i, group, {
-	          time: inherit.time + inherit.delay + inherit.duration,
-	          delay: 0,
-	          duration: inherit.duration,
-	          ease: inherit.ease
-	        });
-	      }
-	    }
-	  }
-
-	  return new Transition(groups, this._parents, name, id1);
-	}
-
-	function transition_end() {
-	  var on0, on1, that = this, id = that._id, size = that.size();
-	  return new Promise(function(resolve, reject) {
-	    var cancel = {value: reject},
-	        end = {value: function() { if (--size === 0) resolve(); }};
-
-	    that.each(function() {
-	      var schedule = set$1(this, id),
-	          on = schedule.on;
-
-	      // If this node shared a dispatch with the previous node,
-	      // just assign the updated shared dispatch and we’re done!
-	      // Otherwise, copy-on-write.
-	      if (on !== on0) {
-	        on1 = (on0 = on).copy();
-	        on1._.cancel.push(cancel);
-	        on1._.interrupt.push(cancel);
-	        on1._.end.push(end);
-	      }
-
-	      schedule.on = on1;
-	    });
-	  });
-	}
-
-	var id$3 = 0;
-
-	function Transition(groups, parents, name, id) {
-	  this._groups = groups;
-	  this._parents = parents;
-	  this._name = name;
-	  this._id = id;
-	}
-
-	function transition(name) {
-	  return selection().transition(name);
-	}
-
-	function newId() {
-	  return ++id$3;
-	}
-
-	var selection_prototype = selection.prototype;
-
-	Transition.prototype = transition.prototype = {
-	  constructor: Transition,
-	  select: transition_select,
-	  selectAll: transition_selectAll,
-	  filter: transition_filter,
-	  merge: transition_merge,
-	  selection: transition_selection,
-	  transition: transition_transition,
-	  call: selection_prototype.call,
-	  nodes: selection_prototype.nodes,
-	  node: selection_prototype.node,
-	  size: selection_prototype.size,
-	  empty: selection_prototype.empty,
-	  each: selection_prototype.each,
-	  on: transition_on,
-	  attr: transition_attr,
-	  attrTween: transition_attrTween,
-	  style: transition_style,
-	  styleTween: transition_styleTween,
-	  text: transition_text,
-	  textTween: transition_textTween,
-	  remove: transition_remove,
-	  tween: transition_tween,
-	  delay: transition_delay,
-	  duration: transition_duration,
-	  ease: transition_ease,
-	  end: transition_end
-	};
-
-	function linear$1(t) {
-	  return +t;
-	}
-
-	function cubicInOut(t) {
-	  return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2;
-	}
-
-	var defaultTiming = {
-	  time: null, // Set on use.
-	  delay: 0,
-	  duration: 250,
-	  ease: cubicInOut
-	};
-
-	function inherit(node, id) {
-	  var timing;
-	  while (!(timing = node.__transition) || !(timing = timing[id])) {
-	    if (!(node = node.parentNode)) {
-	      return defaultTiming.time = now(), defaultTiming;
-	    }
-	  }
-	  return timing;
-	}
-
-	function selection_transition(name) {
-	  var id,
-	      timing;
-
-	  if (name instanceof Transition) {
-	    id = name._id, name = name._name;
-	  } else {
-	    id = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + "";
-	  }
-
-	  for (var groups = this._groups, m = groups.length, j = 0; j < m; ++j) {
-	    for (var group = groups[j], n = group.length, node, i = 0; i < n; ++i) {
-	      if (node = group[i]) {
-	        schedule(node, name, id, i, group, timing || inherit(node, id));
-	      }
-	    }
-	  }
-
-	  return new Transition(groups, this._parents, name, id);
-	}
-
-	selection.prototype.interrupt = selection_interrupt;
-	selection.prototype.transition = selection_transition;
-
-	function constant$3(x) {
-	  return function() {
-	    return x;
-	  };
-	}
-
-	function ZoomEvent(target, type, transform) {
-	  this.target = target;
-	  this.type = type;
-	  this.transform = transform;
-	}
-
-	function Transform(k, x, y) {
-	  this.k = k;
-	  this.x = x;
-	  this.y = y;
-	}
-
-	Transform.prototype = {
-	  constructor: Transform,
-	  scale: function(k) {
-	    return k === 1 ? this : new Transform(this.k * k, this.x, this.y);
-	  },
-	  translate: function(x, y) {
-	    return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y);
-	  },
-	  apply: function(point) {
-	    return [point[0] * this.k + this.x, point[1] * this.k + this.y];
-	  },
-	  applyX: function(x) {
-	    return x * this.k + this.x;
-	  },
-	  applyY: function(y) {
-	    return y * this.k + this.y;
-	  },
-	  invert: function(location) {
-	    return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k];
-	  },
-	  invertX: function(x) {
-	    return (x - this.x) / this.k;
-	  },
-	  invertY: function(y) {
-	    return (y - this.y) / this.k;
-	  },
-	  rescaleX: function(x) {
-	    return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x));
-	  },
-	  rescaleY: function(y) {
-	    return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y));
-	  },
-	  toString: function() {
-	    return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")";
-	  }
-	};
-
-	var identity$2 = new Transform(1, 0, 0);
-
-	function nopropagation$1() {
-	  event.stopImmediatePropagation();
-	}
-
-	function noevent$1() {
-	  event.preventDefault();
-	  event.stopImmediatePropagation();
-	}
-
-	// Ignore right-click, since that should open the context menu.
-	function defaultFilter$1() {
-	  return !event.ctrlKey && !event.button;
-	}
-
-	function defaultExtent() {
-	  var e = this;
-	  if (e instanceof SVGElement) {
-	    e = e.ownerSVGElement || e;
-	    if (e.hasAttribute("viewBox")) {
-	      e = e.viewBox.baseVal;
-	      return [[e.x, e.y], [e.x + e.width, e.y + e.height]];
-	    }
-	    return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]];
-	  }
-	  return [[0, 0], [e.clientWidth, e.clientHeight]];
-	}
-
-	function defaultTransform() {
-	  return this.__zoom || identity$2;
-	}
-
-	function defaultWheelDelta() {
-	  return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 0.002);
-	}
-
-	function defaultTouchable$1() {
-	  return navigator.maxTouchPoints || ("ontouchstart" in this);
-	}
-
-	function defaultConstrain(transform, extent, translateExtent) {
-	  var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0],
-	      dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0],
-	      dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1],
-	      dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1];
-	  return transform.translate(
-	    dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1),
-	    dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1)
-	  );
-	}
-
-	function d3_zoom() {
-	  var filter = defaultFilter$1,
-	      extent = defaultExtent,
-	      constrain = defaultConstrain,
-	      wheelDelta = defaultWheelDelta,
-	      touchable = defaultTouchable$1,
-	      scaleExtent = [0, Infinity],
-	      translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]],
-	      duration = 250,
-	      interpolate = interpolateZoom,
-	      listeners = dispatch("start", "zoom", "end"),
-	      touchstarting,
-	      touchending,
-	      touchDelay = 500,
-	      wheelDelay = 150,
-	      clickDistance2 = 0;
-
-	  function zoom(selection) {
-	    selection
-	        .property("__zoom", defaultTransform)
-	        .on("wheel.zoom", wheeled)
-	        .on("mousedown.zoom", mousedowned)
-	        .on("dblclick.zoom", dblclicked)
-	      .filter(touchable)
-	        .on("touchstart.zoom", touchstarted)
-	        .on("touchmove.zoom", touchmoved)
-	        .on("touchend.zoom touchcancel.zoom", touchended)
-	        .style("touch-action", "none")
-	        .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
-	  }
-
-	  zoom.transform = function(collection, transform, point) {
-	    var selection = collection.selection ? collection.selection() : collection;
-	    selection.property("__zoom", defaultTransform);
-	    if (collection !== selection) {
-	      schedule(collection, transform, point);
-	    } else {
-	      selection.interrupt().each(function() {
-	        gesture(this, arguments)
-	            .start()
-	            .zoom(null, typeof transform === "function" ? transform.apply(this, arguments) : transform)
-	            .end();
-	      });
-	    }
-	  };
-
-	  zoom.scaleBy = function(selection, k, p) {
-	    zoom.scaleTo(selection, function() {
-	      var k0 = this.__zoom.k,
-	          k1 = typeof k === "function" ? k.apply(this, arguments) : k;
-	      return k0 * k1;
-	    }, p);
-	  };
-
-	  zoom.scaleTo = function(selection, k, p) {
-	    zoom.transform(selection, function() {
-	      var e = extent.apply(this, arguments),
-	          t0 = this.__zoom,
-	          p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p,
-	          p1 = t0.invert(p0),
-	          k1 = typeof k === "function" ? k.apply(this, arguments) : k;
-	      return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent);
-	    }, p);
-	  };
-
-	  zoom.translateBy = function(selection, x, y) {
-	    zoom.transform(selection, function() {
-	      return constrain(this.__zoom.translate(
-	        typeof x === "function" ? x.apply(this, arguments) : x,
-	        typeof y === "function" ? y.apply(this, arguments) : y
-	      ), extent.apply(this, arguments), translateExtent);
-	    });
-	  };
-
-	  zoom.translateTo = function(selection, x, y, p) {
-	    zoom.transform(selection, function() {
-	      var e = extent.apply(this, arguments),
-	          t = this.__zoom,
-	          p0 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p;
-	      return constrain(identity$2.translate(p0[0], p0[1]).scale(t.k).translate(
-	        typeof x === "function" ? -x.apply(this, arguments) : -x,
-	        typeof y === "function" ? -y.apply(this, arguments) : -y
-	      ), e, translateExtent);
-	    }, p);
-	  };
-
-	  function scale(transform, k) {
-	    k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k));
-	    return k === transform.k ? transform : new Transform(k, transform.x, transform.y);
-	  }
-
-	  function translate(transform, p0, p1) {
-	    var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k;
-	    return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y);
-	  }
-
-	  function centroid(extent) {
-	    return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2];
-	  }
-
-	  function schedule(transition, transform, point) {
-	    transition
-	        .on("start.zoom", function() { gesture(this, arguments).start(); })
-	        .on("interrupt.zoom end.zoom", function() { gesture(this, arguments).end(); })
-	        .tween("zoom", function() {
-	          var that = this,
-	              args = arguments,
-	              g = gesture(that, args),
-	              e = extent.apply(that, args),
-	              p = point == null ? centroid(e) : typeof point === "function" ? point.apply(that, args) : point,
-	              w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]),
-	              a = that.__zoom,
-	              b = typeof transform === "function" ? transform.apply(that, args) : transform,
-	              i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k));
-	          return function(t) {
-	            if (t === 1) t = b; // Avoid rounding error on end.
-	            else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); }
-	            g.zoom(null, t);
-	          };
-	        });
-	  }
-
-	  function gesture(that, args, clean) {
-	    return (!clean && that.__zooming) || new Gesture(that, args);
-	  }
-
-	  function Gesture(that, args) {
-	    this.that = that;
-	    this.args = args;
-	    this.active = 0;
-	    this.extent = extent.apply(that, args);
-	    this.taps = 0;
-	  }
-
-	  Gesture.prototype = {
-	    start: function() {
-	      if (++this.active === 1) {
-	        this.that.__zooming = this;
-	        this.emit("start");
-	      }
-	      return this;
-	    },
-	    zoom: function(key, transform) {
-	      if (this.mouse && key !== "mouse") this.mouse[1] = transform.invert(this.mouse[0]);
-	      if (this.touch0 && key !== "touch") this.touch0[1] = transform.invert(this.touch0[0]);
-	      if (this.touch1 && key !== "touch") this.touch1[1] = transform.invert(this.touch1[0]);
-	      this.that.__zoom = transform;
-	      this.emit("zoom");
-	      return this;
-	    },
-	    end: function() {
-	      if (--this.active === 0) {
-	        delete this.that.__zooming;
-	        this.emit("end");
-	      }
-	      return this;
-	    },
-	    emit: function(type) {
-	      customEvent(new ZoomEvent(zoom, type, this.that.__zoom), listeners.apply, listeners, [type, this.that, this.args]);
-	    }
-	  };
-
-	  function wheeled() {
-	    if (!filter.apply(this, arguments)) return;
-	    var g = gesture(this, arguments),
-	        t = this.__zoom,
-	        k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))),
-	        p = mouse(this);
-
-	    // If the mouse is in the same location as before, reuse it.
-	    // If there were recent wheel events, reset the wheel idle timeout.
-	    if (g.wheel) {
-	      if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) {
-	        g.mouse[1] = t.invert(g.mouse[0] = p);
-	      }
-	      clearTimeout(g.wheel);
-	    }
-
-	    // If this wheel event won’t trigger a transform change, ignore it.
-	    else if (t.k === k) return;
-
-	    // Otherwise, capture the mouse point and location at the start.
-	    else {
-	      g.mouse = [p, t.invert(p)];
-	      interrupt(this);
-	      g.start();
-	    }
-
-	    noevent$1();
-	    g.wheel = setTimeout(wheelidled, wheelDelay);
-	    g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent));
-
-	    function wheelidled() {
-	      g.wheel = null;
-	      g.end();
-	    }
-	  }
-
-	  function mousedowned() {
-	    if (touchending || !filter.apply(this, arguments)) return;
-	    var g = gesture(this, arguments, true),
-	        v = select(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true),
-	        p = mouse(this),
-	        x0 = event.clientX,
-	        y0 = event.clientY;
-
-	    dragDisable(event.view);
-	    nopropagation$1();
-	    g.mouse = [p, this.__zoom.invert(p)];
-	    interrupt(this);
-	    g.start();
-
-	    function mousemoved() {
-	      noevent$1();
-	      if (!g.moved) {
-	        var dx = event.clientX - x0, dy = event.clientY - y0;
-	        g.moved = dx * dx + dy * dy > clickDistance2;
-	      }
-	      g.zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = mouse(g.that), g.mouse[1]), g.extent, translateExtent));
-	    }
-
-	    function mouseupped() {
-	      v.on("mousemove.zoom mouseup.zoom", null);
-	      yesdrag(event.view, g.moved);
-	      noevent$1();
-	      g.end();
-	    }
-	  }
-
-	  function dblclicked() {
-	    if (!filter.apply(this, arguments)) return;
-	    var t0 = this.__zoom,
-	        p0 = mouse(this),
-	        p1 = t0.invert(p0),
-	        k1 = t0.k * (event.shiftKey ? 0.5 : 2),
-	        t1 = constrain(translate(scale(t0, k1), p0, p1), extent.apply(this, arguments), translateExtent);
-
-	    noevent$1();
-	    if (duration > 0) select(this).transition().duration(duration).call(schedule, t1, p0);
-	    else select(this).call(zoom.transform, t1);
-	  }
-
-	  function touchstarted() {
-	    if (!filter.apply(this, arguments)) return;
-	    var touches = event.touches,
-	        n = touches.length,
-	        g = gesture(this, arguments, event.changedTouches.length === n),
-	        started, i, t, p;
-
-	    nopropagation$1();
-	    for (i = 0; i < n; ++i) {
-	      t = touches[i], p = touch(this, touches, t.identifier);
-	      p = [p, this.__zoom.invert(p), t.identifier];
-	      if (!g.touch0) g.touch0 = p, started = true, g.taps = 1 + !!touchstarting;
-	      else if (!g.touch1 && g.touch0[2] !== p[2]) g.touch1 = p, g.taps = 0;
-	    }
-
-	    if (touchstarting) touchstarting = clearTimeout(touchstarting);
-
-	    if (started) {
-	      if (g.taps < 2) touchstarting = setTimeout(function() { touchstarting = null; }, touchDelay);
-	      interrupt(this);
-	      g.start();
-	    }
-	  }
-
-	  function touchmoved() {
-	    if (!this.__zooming) return;
-	    var g = gesture(this, arguments),
-	        touches = event.changedTouches,
-	        n = touches.length, i, t, p, l;
-
-	    noevent$1();
-	    if (touchstarting) touchstarting = clearTimeout(touchstarting);
-	    g.taps = 0;
-	    for (i = 0; i < n; ++i) {
-	      t = touches[i], p = touch(this, touches, t.identifier);
-	      if (g.touch0 && g.touch0[2] === t.identifier) g.touch0[0] = p;
-	      else if (g.touch1 && g.touch1[2] === t.identifier) g.touch1[0] = p;
-	    }
-	    t = g.that.__zoom;
-	    if (g.touch1) {
-	      var p0 = g.touch0[0], l0 = g.touch0[1],
-	          p1 = g.touch1[0], l1 = g.touch1[1],
-	          dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp,
-	          dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl;
-	      t = scale(t, Math.sqrt(dp / dl));
-	      p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2];
-	      l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
-	    }
-	    else if (g.touch0) p = g.touch0[0], l = g.touch0[1];
-	    else return;
-	    g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent));
-	  }
-
-	  function touchended() {
-	    if (!this.__zooming) return;
-	    var g = gesture(this, arguments),
-	        touches = event.changedTouches,
-	        n = touches.length, i, t;
-
-	    nopropagation$1();
-	    if (touchending) clearTimeout(touchending);
-	    touchending = setTimeout(function() { touchending = null; }, touchDelay);
-	    for (i = 0; i < n; ++i) {
-	      t = touches[i];
-	      if (g.touch0 && g.touch0[2] === t.identifier) delete g.touch0;
-	      else if (g.touch1 && g.touch1[2] === t.identifier) delete g.touch1;
-	    }
-	    if (g.touch1 && !g.touch0) g.touch0 = g.touch1, delete g.touch1;
-	    if (g.touch0) g.touch0[1] = this.__zoom.invert(g.touch0[0]);
-	    else {
-	      g.end();
-	      // If this was a dbltap, reroute to the (optional) dblclick.zoom handler.
-	      if (g.taps === 2) {
-	        var p = select(this).on("dblclick.zoom");
-	        if (p) p.apply(this, arguments);
-	      }
-	    }
-	  }
-
-	  zoom.wheelDelta = function(_) {
-	    return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant$3(+_), zoom) : wheelDelta;
-	  };
-
-	  zoom.filter = function(_) {
-	    return arguments.length ? (filter = typeof _ === "function" ? _ : constant$3(!!_), zoom) : filter;
-	  };
-
-	  zoom.touchable = function(_) {
-	    return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$3(!!_), zoom) : touchable;
-	  };
-
-	  zoom.extent = function(_) {
-	    return arguments.length ? (extent = typeof _ === "function" ? _ : constant$3([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent;
-	  };
-
-	  zoom.scaleExtent = function(_) {
-	    return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]];
-	  };
-
-	  zoom.translateExtent = function(_) {
-	    return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]];
-	  };
-
-	  zoom.constrain = function(_) {
-	    return arguments.length ? (constrain = _, zoom) : constrain;
-	  };
-
-	  zoom.duration = function(_) {
-	    return arguments.length ? (duration = +_, zoom) : duration;
-	  };
-
-	  zoom.interpolate = function(_) {
-	    return arguments.length ? (interpolate = _, zoom) : interpolate;
-	  };
-
-	  zoom.on = function() {
-	    var value = listeners.on.apply(listeners, arguments);
-	    return value === listeners ? zoom : value;
-	  };
-
-	  zoom.clickDistance = function(_) {
-	    return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2);
-	  };
-
-	  return zoom;
-	}
-
-	/*
-	    Bypasses features of D3's default projection stream pipeline that are unnecessary:
-	    * Antimeridian clipping
-	    * Spherical rotation
-	    * Resampling
-	*/
-	function geoRawMercator() {
-	    var project = mercatorRaw;
-	    var k = 512 / Math.PI; // scale
-	    var x = 0;
-	    var y = 0; // translate
-	    var clipExtent = [[0, 0], [0, 0]];
-
-
-	    function projection(point) {
-	        point = project(point[0] * Math.PI / 180, point[1] * Math.PI / 180);
-	        return [point[0] * k + x, y - point[1] * k];
-	    }
-
-
-	    projection.invert = function(point) {
-	        point = project.invert((point[0] - x) / k, (y - point[1]) / k);
-	        return point && [point[0] * 180 / Math.PI, point[1] * 180 / Math.PI];
-	    };
-
-
-	    projection.scale = function(_) {
-	        if (!arguments.length) return k;
-	        k = +_;
-	        return projection;
-	    };
-
-
-	    projection.translate = function(_) {
-	        if (!arguments.length) return [x, y];
-	        x = +_[0];
-	        y = +_[1];
-	        return projection;
-	    };
-
-
-	    projection.clipExtent = function(_) {
-	        if (!arguments.length) return clipExtent;
-	        clipExtent = _;
-	        return projection;
-	    };
-
-
-	    projection.transform = function(obj) {
-	        if (!arguments.length) return identity$2.translate(x, y).scale(k);
-	        x = +obj.x;
-	        y = +obj.y;
-	        k = +obj.k;
-	        return projection;
-	    };
-
-
-	    projection.stream = d3_geoTransform({
-	        point: function(x, y) {
-	            var vec = projection([x, y]);
-	            this.stream.point(vec[0], vec[1]);
-	        }
-	    }).stream;
-
-
-	    return projection;
-	}
-
-	function geoOrthoNormalizedDotProduct(a, b, origin) {
-	    if (geoVecEqual(origin, a) || geoVecEqual(origin, b)) {
-	        return 1;  // coincident points, treat as straight and try to remove
-	    }
-	    return geoVecNormalizedDot(a, b, origin);
-	}
-
-
-	function geoOrthoFilterDotProduct(dotp, epsilon, lowerThreshold, upperThreshold, allowStraightAngles) {
-	    var val = Math.abs(dotp);
-	    if (val < epsilon) {
-	        return 0;      // already orthogonal
-	    } else if (allowStraightAngles && Math.abs(val-1) < epsilon) {
-	        return 0;      // straight angle, which is okay in this case
-	    } else if (val < lowerThreshold || val > upperThreshold) {
-	        return dotp;   // can be adjusted
-	    } else {
-	        return null;   // ignore vertex
-	    }
-	}
-
-
-	function geoOrthoCalcScore(points, isClosed, epsilon, threshold) {
-	    var score = 0;
-	    var first = isClosed ? 0 : 1;
-	    var last = isClosed ? points.length : points.length - 1;
-	    var coords = points.map(function(p) { return p.coord; });
-
-	    var lowerThreshold = Math.cos((90 - threshold) * Math.PI / 180);
-	    var upperThreshold = Math.cos(threshold * Math.PI / 180);
-
-	    for (var i = first; i < last; i++) {
-	        var a = coords[(i - 1 + coords.length) % coords.length];
-	        var origin = coords[i];
-	        var b = coords[(i + 1) % coords.length];
-
-	        var dotp = geoOrthoFilterDotProduct(geoOrthoNormalizedDotProduct(a, b, origin), epsilon, lowerThreshold, upperThreshold);
-	        if (dotp === null) continue;    // ignore vertex
-	        score = score + 2.0 * Math.min(Math.abs(dotp - 1.0), Math.min(Math.abs(dotp), Math.abs(dotp + 1)));
-	    }
-
-	    return score;
-	}
-
-	// returns the maximum angle less than `lessThan` between the actual corner and a 0° or 90° corner
-	function geoOrthoMaxOffsetAngle(coords, isClosed, lessThan) {
-	    var max = -Infinity;
-
-	    var first = isClosed ? 0 : 1;
-	    var last = isClosed ? coords.length : coords.length - 1;
-
-	    for (var i = first; i < last; i++) {
-	        var a = coords[(i - 1 + coords.length) % coords.length];
-	        var origin = coords[i];
-	        var b = coords[(i + 1) % coords.length];
-	        var normalizedDotP = geoOrthoNormalizedDotProduct(a, b, origin);
-
-	        var angle = Math.acos(Math.abs(normalizedDotP)) * 180 / Math.PI;
-
-	        if (angle > 45) angle = 90 - angle;
-
-	        if (angle >= lessThan) continue;
-
-	        if (angle > max) max = angle;
-	    }
-
-	    if (max === -Infinity) return null;
-
-	    return max;
-	}
-
-
-	// similar to geoOrthoCalcScore, but returns quickly if there is something to do
-	function geoOrthoCanOrthogonalize(coords, isClosed, epsilon, threshold, allowStraightAngles) {
-	    var score = null;
-	    var first = isClosed ? 0 : 1;
-	    var last = isClosed ? coords.length : coords.length - 1;
-
-	    var lowerThreshold = Math.cos((90 - threshold) * Math.PI / 180);
-	    var upperThreshold = Math.cos(threshold * Math.PI / 180);
-
-	    for (var i = first; i < last; i++) {
-	        var a = coords[(i - 1 + coords.length) % coords.length];
-	        var origin = coords[i];
-	        var b = coords[(i + 1) % coords.length];
-
-	        var dotp = geoOrthoFilterDotProduct(geoOrthoNormalizedDotProduct(a, b, origin), epsilon, lowerThreshold, upperThreshold, allowStraightAngles);
-	        if (dotp === null) continue;        // ignore vertex
-	        if (Math.abs(dotp) > 0) return 1;   // something to do
-	        score = 0;                          // already square
-	    }
-
-	    return score;
-	}
-
-	// Returns true if a and b have the same elements at the same indices.
-	function utilArrayIdentical(a, b) {
-	    // an array is always identical to itself
-	    if (a === b) return true;
-
-	    var i = a.length;
-	    if (i !== b.length) return false;
-	    while (i--) {
-	        if (a[i] !== b[i]) return false;
-	    }
-	    return true;
-	}
-
-	// http://2ality.com/2015/01/es6-set-operations.html
-
-	// Difference (a \ b): create a set that contains those elements of set a that are not in set b.
-	// This operation is also sometimes called minus (-).
-	// var a = [1,2,3];
-	// var b = [4,3,2];
-	// utilArrayDifference(a, b)
-	//   [1]
-	// utilArrayDifference(b, a)
-	//   [4]
-	function utilArrayDifference(a, b) {
-	    var other = new Set(b);
-	    return Array.from(new Set(a))
-	        .filter(function(v) { return !other.has(v); });
-	}
-
-	// Intersection (a ∩ b): create a set that contains those elements of set a that are also in set b.
-	// var a = [1,2,3];
-	// var b = [4,3,2];
-	// utilArrayIntersection(a, b)
-	//   [2,3]
-	function utilArrayIntersection(a, b) {
-	    var other = new Set(b);
-	    return Array.from(new Set(a))
-	        .filter(function(v) { return other.has(v); });
-	}
-
-	// Union (a ∪ b): create a set that contains the elements of both set a and set b.
-	// var a = [1,2,3];
-	// var b = [4,3,2];
-	// utilArrayUnion(a, b)
-	//   [1,2,3,4]
-	function utilArrayUnion(a, b) {
-	    var result = new Set(a);
-	    b.forEach(function(v) { result.add(v); });
-	    return Array.from(result);
-	}
-
-	// Returns an Array with all the duplicates removed
-	// var a = [1,1,2,3,3];
-	// utilArrayUniq(a)
-	//   [1,2,3]
-	function utilArrayUniq(a) {
-	    return Array.from(new Set(a));
-	}
-
-
-	// Splits array into chunks of given chunk size
-	// var a = [1,2,3,4,5,6,7];
-	// utilArrayChunk(a, 3);
-	//   [[1,2,3],[4,5,6],[7]];
-	function utilArrayChunk(a, chunkSize) {
-	    if (!chunkSize || chunkSize < 0) return [a.slice()];
-
-	    var result = new Array(Math.ceil(a.length / chunkSize));
-	    return Array.from(result, function(item, i) {
-	        return a.slice(i * chunkSize, i * chunkSize + chunkSize);
-	    });
-	}
-
-
-	// Flattens two level array into a single level
-	// var a = [[1,2,3],[4,5,6],[7]];
-	// utilArrayFlatten(a);
-	//   [1,2,3,4,5,6,7];
-	function utilArrayFlatten(a) {
-	    return a.reduce(function(acc, val) {
-	        return acc.concat(val);
-	    }, []);
-	}
-
-
-	// Groups the items of the Array according to the given key
-	// `key` can be passed as a property or as a key function
-	//
-	// var pets = [
-	//     { type: 'Dog', name: 'Spot' },
-	//     { type: 'Cat', name: 'Tiger' },
-	//     { type: 'Dog', name: 'Rover' },
-	//     { type: 'Cat', name: 'Leo' }
-	// ];
-	//
-	// utilArrayGroupBy(pets, 'type')
-	//   {
-	//     'Dog': [{type: 'Dog', name: 'Spot'}, {type: 'Dog', name: 'Rover'}],
-	//     'Cat': [{type: 'Cat', name: 'Tiger'}, {type: 'Cat', name: 'Leo'}]
-	//   }
-	//
-	// utilArrayGroupBy(pets, function(item) { return item.name.length; })
-	//   {
-	//     3: [{type: 'Cat', name: 'Leo'}],
-	//     4: [{type: 'Dog', name: 'Spot'}],
-	//     5: [{type: 'Cat', name: 'Tiger'}, {type: 'Dog', name: 'Rover'}]
-	//   }
-	function utilArrayGroupBy(a, key) {
-	    return a.reduce(function(acc, item) {
-	        var group = (typeof key === 'function') ? key(item) : item[key];
-	        (acc[group] = acc[group] || []).push(item);
-	        return acc;
-	    }, {});
-	}
-
-
-	// Returns an Array with all the duplicates removed
-	// where uniqueness determined by the given key
-	// `key` can be passed as a property or as a key function
-	//
-	// var pets = [
-	//     { type: 'Dog', name: 'Spot' },
-	//     { type: 'Cat', name: 'Tiger' },
-	//     { type: 'Dog', name: 'Rover' },
-	//     { type: 'Cat', name: 'Leo' }
-	// ];
-	//
-	// utilArrayUniqBy(pets, 'type')
-	//   [
-	//     { type: 'Dog', name: 'Spot' },
-	//     { type: 'Cat', name: 'Tiger' }
-	//   ]
-	//
-	// utilArrayUniqBy(pets, function(item) { return item.name.length; })
-	//   [
-	//     { type: 'Dog', name: 'Spot' },
-	//     { type: 'Cat', name: 'Tiger' },
-	//     { type: 'Cat', name: 'Leo' }
-	//   }
-	function utilArrayUniqBy(a, key) {
-	    var seen = new Set();
-	    return a.reduce(function(acc, item) {
-	        var val = (typeof key === 'function') ? key(item) : item[key];
-	        if (val && !seen.has(val)) {
-	            seen.add(val);
-	            acc.push(item);
-	        }
-	        return acc;
-	    }, []);
-	}
-
-	var remove$1 = removeDiacritics;
-
-	var replacementList = [
-	  {
-	    base: ' ',
-	    chars: "\u00A0",
-	  }, {
-	    base: '0',
-	    chars: "\u07C0",
-	  }, {
-	    base: 'A',
-	    chars: "\u24B6\uFF21\u00C0\u00C1\u00C2\u1EA6\u1EA4\u1EAA\u1EA8\u00C3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\u00C4\u01DE\u1EA2\u00C5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F",
-	  }, {
-	    base: 'AA',
-	    chars: "\uA732",
-	  }, {
-	    base: 'AE',
-	    chars: "\u00C6\u01FC\u01E2",
-	  }, {
-	    base: 'AO',
-	    chars: "\uA734",
-	  }, {
-	    base: 'AU',
-	    chars: "\uA736",
-	  }, {
-	    base: 'AV',
-	    chars: "\uA738\uA73A",
-	  }, {
-	    base: 'AY',
-	    chars: "\uA73C",
-	  }, {
-	    base: 'B',
-	    chars: "\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0181",
-	  }, {
-	    base: 'C',
-	    chars: "\u24b8\uff23\uA73E\u1E08\u0106\u0043\u0108\u010A\u010C\u00C7\u0187\u023B",
-	  }, {
-	    base: 'D',
-	    chars: "\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018A\u0189\u1D05\uA779",
-	  }, {
-	    base: 'Dh',
-	    chars: "\u00D0",
-	  }, {
-	    base: 'DZ',
-	    chars: "\u01F1\u01C4",
-	  }, {
-	    base: 'Dz',
-	    chars: "\u01F2\u01C5",
-	  }, {
-	    base: 'E',
-	    chars: "\u025B\u24BA\uFF25\u00C8\u00C9\u00CA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\u00CB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E\u1D07",
-	  }, {
-	    base: 'F',
-	    chars: "\uA77C\u24BB\uFF26\u1E1E\u0191\uA77B",
-	  }, {
-	    base: 'G',
-	    chars: "\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E\u0262",
-	  }, {
-	    base: 'H',
-	    chars: "\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D",
-	  }, {
-	    base: 'I',
-	    chars: "\u24BE\uFF29\xCC\xCD\xCE\u0128\u012A\u012C\u0130\xCF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197",
-	  }, {
-	    base: 'J',
-	    chars: "\u24BF\uFF2A\u0134\u0248\u0237",
-	  }, {
-	    base: 'K',
-	    chars: "\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2",
-	  }, {
-	    base: 'L',
-	    chars: "\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780",
-	  }, {
-	    base: 'LJ',
-	    chars: "\u01C7",
-	  }, {
-	    base: 'Lj',
-	    chars: "\u01C8",
-	  }, {
-	    base: 'M',
-	    chars: "\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C\u03FB",
-	  }, {
-	    base: 'N',
-	    chars: "\uA7A4\u0220\u24C3\uFF2E\u01F8\u0143\xD1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u019D\uA790\u1D0E",
-	  }, {
-	    base: 'NJ',
-	    chars: "\u01CA",
-	  }, {
-	    base: 'Nj',
-	    chars: "\u01CB",
-	  }, {
-	    base: 'O',
-	    chars: "\u24C4\uFF2F\xD2\xD3\xD4\u1ED2\u1ED0\u1ED6\u1ED4\xD5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\xD6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\xD8\u01FE\u0186\u019F\uA74A\uA74C",
-	  }, {
-	    base: 'OE',
-	    chars: "\u0152",
-	  }, {
-	    base: 'OI',
-	    chars: "\u01A2",
-	  }, {
-	    base: 'OO',
-	    chars: "\uA74E",
-	  }, {
-	    base: 'OU',
-	    chars: "\u0222",
-	  }, {
-	    base: 'P',
-	    chars: "\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754",
-	  }, {
-	    base: 'Q',
-	    chars: "\u24C6\uFF31\uA756\uA758\u024A",
-	  }, {
-	    base: 'R',
-	    chars: "\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782",
-	  }, {
-	    base: 'S',
-	    chars: "\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784",
-	  }, {
-	    base: 'T',
-	    chars: "\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786",
-	  }, {
-	    base: 'Th',
-	    chars: "\u00DE",
-	  }, {
-	    base: 'TZ',
-	    chars: "\uA728",
-	  }, {
-	    base: 'U',
-	    chars: "\u24CA\uFF35\xD9\xDA\xDB\u0168\u1E78\u016A\u1E7A\u016C\xDC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244",
-	  }, {
-	    base: 'V',
-	    chars: "\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245",
-	  }, {
-	    base: 'VY',
-	    chars: "\uA760",
-	  }, {
-	    base: 'W',
-	    chars: "\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72",
-	  }, {
-	    base: 'X',
-	    chars: "\u24CD\uFF38\u1E8A\u1E8C",
-	  }, {
-	    base: 'Y',
-	    chars: "\u24CE\uFF39\u1EF2\xDD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE",
-	  }, {
-	    base: 'Z',
-	    chars: "\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762",
-	  }, {
-	    base: 'a',
-	    chars: "\u24D0\uFF41\u1E9A\u00E0\u00E1\u00E2\u1EA7\u1EA5\u1EAB\u1EA9\u00E3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\u00E4\u01DF\u1EA3\u00E5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250\u0251",
-	  }, {
-	    base: 'aa',
-	    chars: "\uA733",
-	  }, {
-	    base: 'ae',
-	    chars: "\u00E6\u01FD\u01E3",
-	  }, {
-	    base: 'ao',
-	    chars: "\uA735",
-	  }, {
-	    base: 'au',
-	    chars: "\uA737",
-	  }, {
-	    base: 'av',
-	    chars: "\uA739\uA73B",
-	  }, {
-	    base: 'ay',
-	    chars: "\uA73D",
-	  }, {
-	    base: 'b',
-	    chars: "\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253\u0182",
-	  }, {
-	    base: 'c',
-	    chars: "\uFF43\u24D2\u0107\u0109\u010B\u010D\u00E7\u1E09\u0188\u023C\uA73F\u2184",
-	  }, {
-	    base: 'd',
-	    chars: "\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\u018B\u13E7\u0501\uA7AA",
-	  }, {
-	    base: 'dh',
-	    chars: "\u00F0",
-	  }, {
-	    base: 'dz',
-	    chars: "\u01F3\u01C6",
-	  }, {
-	    base: 'e',
-	    chars: "\u24D4\uFF45\u00E8\u00E9\u00EA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\u00EB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u01DD",
-	  }, {
-	    base: 'f',
-	    chars: "\u24D5\uFF46\u1E1F\u0192",
-	  }, {
-	    base: 'ff',
-	    chars: "\uFB00",
-	  }, {
-	    base: 'fi',
-	    chars: "\uFB01",
-	  }, {
-	    base: 'fl',
-	    chars: "\uFB02",
-	  }, {
-	    base: 'ffi',
-	    chars: "\uFB03",
-	  }, {
-	    base: 'ffl',
-	    chars: "\uFB04",
-	  }, {
-	    base: 'g',
-	    chars: "\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\uA77F\u1D79",
-	  }, {
-	    base: 'h',
-	    chars: "\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265",
-	  }, {
-	    base: 'hv',
-	    chars: "\u0195",
-	  }, {
-	    base: 'i',
-	    chars: "\u24D8\uFF49\xEC\xED\xEE\u0129\u012B\u012D\xEF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131",
-	  }, {
-	    base: 'j',
-	    chars: "\u24D9\uFF4A\u0135\u01F0\u0249",
-	  }, {
-	    base: 'k',
-	    chars: "\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3",
-	  }, {
-	    base: 'l',
-	    chars: "\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747\u026D",
-	  }, {
-	    base: 'lj',
-	    chars: "\u01C9",
-	  }, {
-	    base: 'm',
-	    chars: "\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F",
-	  }, {
-	    base: 'n',
-	    chars: "\u24DD\uFF4E\u01F9\u0144\xF1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5\u043B\u0509",
-	  }, {
-	    base: 'nj',
-	    chars: "\u01CC",
-	  }, {
-	    base: 'o',
-	    chars: "\u24DE\uFF4F\xF2\xF3\xF4\u1ED3\u1ED1\u1ED7\u1ED5\xF5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\xF6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\xF8\u01FF\uA74B\uA74D\u0275\u0254\u1D11",
-	  }, {
-	    base: 'oe',
-	    chars: "\u0153",
-	  }, {
-	    base: 'oi',
-	    chars: "\u01A3",
-	  }, {
-	    base: 'oo',
-	    chars: "\uA74F",
-	  }, {
-	    base: 'ou',
-	    chars: "\u0223",
-	  }, {
-	    base: 'p',
-	    chars: "\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755\u03C1",
-	  }, {
-	    base: 'q',
-	    chars: "\u24E0\uFF51\u024B\uA757\uA759",
-	  }, {
-	    base: 'r',
-	    chars: "\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783",
-	  }, {
-	    base: 's',
-	    chars: "\u24E2\uFF53\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B\u0282",
-	  }, {
-	    base: 'ss',
-	    chars: "\xDF",
-	  }, {
-	    base: 't',
-	    chars: "\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787",
-	  }, {
-	    base: 'th',
-	    chars: "\u00FE",
-	  }, {
-	    base: 'tz',
-	    chars: "\uA729",
-	  }, {
-	    base: 'u',
-	    chars: "\u24E4\uFF55\xF9\xFA\xFB\u0169\u1E79\u016B\u1E7B\u016D\xFC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289",
-	  }, {
-	    base: 'v',
-	    chars: "\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C",
-	  }, {
-	    base: 'vy',
-	    chars: "\uA761",
-	  }, {
-	    base: 'w',
-	    chars: "\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73",
-	  }, {
-	    base: 'x',
-	    chars: "\u24E7\uFF58\u1E8B\u1E8D",
-	  }, {
-	    base: 'y',
-	    chars: "\u24E8\uFF59\u1EF3\xFD\u0177\u1EF9\u0233\u1E8F\xFF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF",
-	  }, {
-	    base: 'z',
-	    chars: "\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763",
-	  }
-	];
-
-	var diacriticsMap = {};
-	for (var i$1 = 0; i$1 < replacementList.length; i$1 += 1) {
-	  var chars = replacementList[i$1].chars;
-	  for (var j = 0; j < chars.length; j += 1) {
-	    diacriticsMap[chars[j]] = replacementList[i$1].base;
-	  }
-	}
-
-	function removeDiacritics(str) {
-	  return str.replace(/[^\u0000-\u007e]/g, function(c) {
-	    return diacriticsMap[c] || c;
-	  });
-	}
-
-	var replacementList_1 = replacementList;
-	var diacriticsMap_1 = diacriticsMap;
-
-	var diacritics = {
-		remove: remove$1,
-		replacementList: replacementList_1,
-		diacriticsMap: diacriticsMap_1
-	};
-
-	var isArabic_1 = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-	const arabicBlocks = [
-	    [0x0600, 0x06FF],
-	    [0x0750, 0x077F],
-	    [0x08A0, 0x08FF],
-	    [0xFB50, 0xFDFF],
-	    [0xFE70, 0xFEFF],
-	    [0x10E60, 0x10E7F],
-	    [0x1EC70, 0x1ECBF],
-	    [0x1EE00, 0x1EEFF] // Mathematical Alphabetic symbols https://www.unicode.org/charts/PDF/U1EE00.pdf
-	];
-	function isArabic(char) {
-	    if (char.length > 1) {
-	        // allow the newer chars?
-	        throw new Error('isArabic works on only one-character strings');
-	    }
-	    let code = char.charCodeAt(0);
-	    for (let i = 0; i < arabicBlocks.length; i++) {
-	        let block = arabicBlocks[i];
-	        if (code >= block[0] && code <= block[1]) {
-	            return true;
-	        }
-	    }
-	    return false;
-	}
-	exports.isArabic = isArabic;
-	function isMath(char) {
-	    if (char.length > 2) {
-	        // allow the newer chars?
-	        throw new Error('isMath works on only one-character strings');
-	    }
-	    let code = char.charCodeAt(0);
-	    return ((code >= 0x660 && code <= 0x66C) || (code >= 0x6F0 && code <= 0x6F9));
-	}
-	exports.isMath = isMath;
-	});
-
-	var unicodeArabic = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-	const arabicReference = {
-	    "alef": {
-	        "normal": [
-	            "\u0627"
-	        ],
-	        "madda_above": {
-	            "normal": [
-	                "\u0627\u0653",
-	                "\u0622"
-	            ],
-	            "isolated": "\uFE81",
-	            "final": "\uFE82"
-	        },
-	        "hamza_above": {
-	            "normal": [
-	                "\u0627\u0654",
-	                "\u0623"
-	            ],
-	            "isolated": "\uFE83",
-	            "final": "\uFE84"
-	        },
-	        "hamza_below": {
-	            "normal": [
-	                "\u0627\u0655",
-	                "\u0625"
-	            ],
-	            "isolated": "\uFE87",
-	            "final": "\uFE88"
-	        },
-	        "wasla": {
-	            "normal": "\u0671",
-	            "isolated": "\uFB50",
-	            "final": "\uFB51"
-	        },
-	        "wavy_hamza_above": [
-	            "\u0672"
-	        ],
-	        "wavy_hamza_below": [
-	            "\u0627\u065F",
-	            "\u0673"
-	        ],
-	        "high_hamza": [
-	            "\u0675",
-	            "\u0627\u0674"
-	        ],
-	        "indic_two_above": [
-	            "\u0773"
-	        ],
-	        "indic_three_above": [
-	            "\u0774"
-	        ],
-	        "fathatan": {
-	            "normal": [
-	                "\u0627\u064B"
-	            ],
-	            "final": "\uFD3C",
-	            "isolated": "\uFD3D"
-	        },
-	        "isolated": "\uFE8D",
-	        "final": "\uFE8E"
-	    },
-	    "beh": {
-	        "normal": [
-	            "\u0628"
-	        ],
-	        "dotless": [
-	            "\u066E"
-	        ],
-	        "three_dots_horizontally_below": [
-	            "\u0750"
-	        ],
-	        "dot_below_three_dots_above": [
-	            "\u0751"
-	        ],
-	        "three_dots_pointing_upwards_below": [
-	            "\u0752"
-	        ],
-	        "three_dots_pointing_upwards_below_two_dots_above": [
-	            "\u0753"
-	        ],
-	        "two_dots_below_dot_above": [
-	            "\u0754"
-	        ],
-	        "inverted_small_v_below": [
-	            "\u0755"
-	        ],
-	        "small_v": [
-	            "\u0756"
-	        ],
-	        "small_v_below": [
-	            "\u08A0"
-	        ],
-	        "hamza_above": [
-	            "\u08A1"
-	        ],
-	        "small_meem_above": [
-	            "\u08B6"
-	        ],
-	        "isolated": "\uFE8F",
-	        "final": "\uFE90",
-	        "initial": "\uFE91",
-	        "medial": "\uFE92"
-	    },
-	    "teh marbuta": {
-	        "normal": [
-	            "\u0629"
-	        ],
-	        "isolated": "\uFE93",
-	        "final": "\uFE94"
-	    },
-	    "teh": {
-	        "normal": [
-	            "\u062A"
-	        ],
-	        "ring": [
-	            "\u067C"
-	        ],
-	        "three_dots_above_downwards": [
-	            "\u067D"
-	        ],
-	        "small_teh_above": [
-	            "\u08B8"
-	        ],
-	        "isolated": "\uFE95",
-	        "final": "\uFE96",
-	        "initial": "\uFE97",
-	        "medial": "\uFE98"
-	    },
-	    "theh": {
-	        "normal": [
-	            "\u062B"
-	        ],
-	        "isolated": "\uFE99",
-	        "final": "\uFE9A",
-	        "initial": "\uFE9B",
-	        "medial": "\uFE9C"
-	    },
-	    "jeem": {
-	        "normal": [
-	            "\u062C"
-	        ],
-	        "two_dots_above": [
-	            "\u08A2"
-	        ],
-	        "isolated": "\uFE9D",
-	        "final": "\uFE9E",
-	        "initial": "\uFE9F",
-	        "medial": "\uFEA0"
-	    },
-	    "hah": {
-	        "normal": [
-	            "\u062D"
-	        ],
-	        "hamza_above": [
-	            "\u0681"
-	        ],
-	        "two_dots_vertical_above": [
-	            "\u0682"
-	        ],
-	        "three_dots_above": [
-	            "\u0685"
-	        ],
-	        "two_dots_above": [
-	            "\u0757"
-	        ],
-	        "three_dots_pointing_upwards_below": [
-	            "\u0758"
-	        ],
-	        "small_tah_below": [
-	            "\u076E"
-	        ],
-	        "small_tah_two_dots": [
-	            "\u076F"
-	        ],
-	        "small_tah_above": [
-	            "\u0772"
-	        ],
-	        "indic_four_below": [
-	            "\u077C"
-	        ],
-	        "isolated": "\uFEA1",
-	        "final": "\uFEA2",
-	        "initial": "\uFEA3",
-	        "medial": "\uFEA4"
-	    },
-	    "khah": {
-	        "normal": [
-	            "\u062E"
-	        ],
-	        "isolated": "\uFEA5",
-	        "final": "\uFEA6",
-	        "initial": "\uFEA7",
-	        "medial": "\uFEA8"
-	    },
-	    "dal": {
-	        "normal": [
-	            "\u062F"
-	        ],
-	        "ring": [
-	            "\u0689"
-	        ],
-	        "dot_below": [
-	            "\u068A"
-	        ],
-	        "dot_below_small_tah": [
-	            "\u068B"
-	        ],
-	        "three_dots_above_downwards": [
-	            "\u068F"
-	        ],
-	        "four_dots_above": [
-	            "\u0690"
-	        ],
-	        "inverted_v": [
-	            "\u06EE"
-	        ],
-	        "two_dots_vertically_below_small_tah": [
-	            "\u0759"
-	        ],
-	        "inverted_small_v_below": [
-	            "\u075A"
-	        ],
-	        "three_dots_below": [
-	            "\u08AE"
-	        ],
-	        "isolated": "\uFEA9",
-	        "final": "\uFEAA"
-	    },
-	    "thal": {
-	        "normal": [
-	            "\u0630"
-	        ],
-	        "isolated": "\uFEAB",
-	        "final": "\uFEAC"
-	    },
-	    "reh": {
-	        "normal": [
-	            "\u0631"
-	        ],
-	        "small_v": [
-	            "\u0692"
-	        ],
-	        "ring": [
-	            "\u0693"
-	        ],
-	        "dot_below": [
-	            "\u0694"
-	        ],
-	        "small_v_below": [
-	            "\u0695"
-	        ],
-	        "dot_below_dot_above": [
-	            "\u0696"
-	        ],
-	        "two_dots_above": [
-	            "\u0697"
-	        ],
-	        "four_dots_above": [
-	            "\u0699"
-	        ],
-	        "inverted_v": [
-	            "\u06EF"
-	        ],
-	        "stroke": [
-	            "\u075B"
-	        ],
-	        "two_dots_vertically_above": [
-	            "\u076B"
-	        ],
-	        "hamza_above": [
-	            "\u076C"
-	        ],
-	        "small_tah_two_dots": [
-	            "\u0771"
-	        ],
-	        "loop": [
-	            "\u08AA"
-	        ],
-	        "small_noon_above": [
-	            "\u08B9"
-	        ],
-	        "isolated": "\uFEAD",
-	        "final": "\uFEAE"
-	    },
-	    "zain": {
-	        "normal": [
-	            "\u0632"
-	        ],
-	        "inverted_v_above": [
-	            "\u08B2"
-	        ],
-	        "isolated": "\uFEAF",
-	        "final": "\uFEB0"
-	    },
-	    "seen": {
-	        "normal": [
-	            "\u0633"
-	        ],
-	        "dot_below_dot_above": [
-	            "\u069A"
-	        ],
-	        "three_dots_below": [
-	            "\u069B"
-	        ],
-	        "three_dots_below_three_dots_above": [
-	            "\u069C"
-	        ],
-	        "four_dots_above": [
-	            "\u075C"
-	        ],
-	        "two_dots_vertically_above": [
-	            "\u076D"
-	        ],
-	        "small_tah_two_dots": [
-	            "\u0770"
-	        ],
-	        "indic_four_above": [
-	            "\u077D"
-	        ],
-	        "inverted_v": [
-	            "\u077E"
-	        ],
-	        "isolated": "\uFEB1",
-	        "final": "\uFEB2",
-	        "initial": "\uFEB3",
-	        "medial": "\uFEB4"
-	    },
-	    "sheen": {
-	        "normal": [
-	            "\u0634"
-	        ],
-	        "dot_below": [
-	            "\u06FA"
-	        ],
-	        "isolated": "\uFEB5",
-	        "final": "\uFEB6",
-	        "initial": "\uFEB7",
-	        "medial": "\uFEB8"
-	    },
-	    "sad": {
-	        "normal": [
-	            "\u0635"
-	        ],
-	        "two_dots_below": [
-	            "\u069D"
-	        ],
-	        "three_dots_above": [
-	            "\u069E"
-	        ],
-	        "three_dots_below": [
-	            "\u08AF"
-	        ],
-	        "isolated": "\uFEB9",
-	        "final": "\uFEBA",
-	        "initial": "\uFEBB",
-	        "medial": "\uFEBC"
-	    },
-	    "dad": {
-	        "normal": [
-	            "\u0636"
-	        ],
-	        "dot_below": [
-	            "\u06FB"
-	        ],
-	        "isolated": "\uFEBD",
-	        "final": "\uFEBE",
-	        "initial": "\uFEBF",
-	        "medial": "\uFEC0"
-	    },
-	    "tah": {
-	        "normal": [
-	            "\u0637"
-	        ],
-	        "three_dots_above": [
-	            "\u069F"
-	        ],
-	        "two_dots_above": [
-	            "\u08A3"
-	        ],
-	        "isolated": "\uFEC1",
-	        "final": "\uFEC2",
-	        "initial": "\uFEC3",
-	        "medial": "\uFEC4"
-	    },
-	    "zah": {
-	        "normal": [
-	            "\u0638"
-	        ],
-	        "isolated": "\uFEC5",
-	        "final": "\uFEC6",
-	        "initial": "\uFEC7",
-	        "medial": "\uFEC8"
-	    },
-	    "ain": {
-	        "normal": [
-	            "\u0639"
-	        ],
-	        "three_dots_above": [
-	            "\u06A0"
-	        ],
-	        "two_dots_above": [
-	            "\u075D"
-	        ],
-	        "three_dots_pointing_downwards_above": [
-	            "\u075E"
-	        ],
-	        "two_dots_vertically_above": [
-	            "\u075F"
-	        ],
-	        "three_dots_below": [
-	            "\u08B3"
-	        ],
-	        "isolated": "\uFEC9",
-	        "final": "\uFECA",
-	        "initial": "\uFECB",
-	        "medial": "\uFECC"
-	    },
-	    "ghain": {
-	        "normal": [
-	            "\u063A"
-	        ],
-	        "dot_below": [
-	            "\u06FC"
-	        ],
-	        "isolated": "\uFECD",
-	        "final": "\uFECE",
-	        "initial": "\uFECF",
-	        "medial": "\uFED0"
-	    },
-	    "feh": {
-	        "normal": [
-	            "\u0641"
-	        ],
-	        "dotless": [
-	            "\u06A1"
-	        ],
-	        "dot_moved_below": [
-	            "\u06A2"
-	        ],
-	        "dot_below": [
-	            "\u06A3"
-	        ],
-	        "three_dots_below": [
-	            "\u06A5"
-	        ],
-	        "two_dots_below": [
-	            "\u0760"
-	        ],
-	        "three_dots_pointing_upwards_below": [
-	            "\u0761"
-	        ],
-	        "dot_below_three_dots_above": [
-	            "\u08A4"
-	        ],
-	        "isolated": "\uFED1",
-	        "final": "\uFED2",
-	        "initial": "\uFED3",
-	        "medial": "\uFED4"
-	    },
-	    "qaf": {
-	        "normal": [
-	            "\u0642"
-	        ],
-	        "dotless": [
-	            "\u066F"
-	        ],
-	        "dot_above": [
-	            "\u06A7"
-	        ],
-	        "three_dots_above": [
-	            "\u06A8"
-	        ],
-	        "dot_below": [
-	            "\u08A5"
-	        ],
-	        "isolated": "\uFED5",
-	        "final": "\uFED6",
-	        "initial": "\uFED7",
-	        "medial": "\uFED8"
-	    },
-	    "kaf": {
-	        "normal": [
-	            "\u0643"
-	        ],
-	        "swash": [
-	            "\u06AA"
-	        ],
-	        "ring": [
-	            "\u06AB"
-	        ],
-	        "dot_above": [
-	            "\u06AC"
-	        ],
-	        "three_dots_below": [
-	            "\u06AE"
-	        ],
-	        "two_dots_above": [
-	            "\u077F"
-	        ],
-	        "dot_below": [
-	            "\u08B4"
-	        ],
-	        "isolated": "\uFED9",
-	        "final": "\uFEDA",
-	        "initial": "\uFEDB",
-	        "medial": "\uFEDC"
-	    },
-	    "lam": {
-	        "normal": [
-	            "\u0644"
-	        ],
-	        "small_v": [
-	            "\u06B5"
-	        ],
-	        "dot_above": [
-	            "\u06B6"
-	        ],
-	        "three_dots_above": [
-	            "\u06B7"
-	        ],
-	        "three_dots_below": [
-	            "\u06B8"
-	        ],
-	        "bar": [
-	            "\u076A"
-	        ],
-	        "double_bar": [
-	            "\u08A6"
-	        ],
-	        "isolated": "\uFEDD",
-	        "final": "\uFEDE",
-	        "initial": "\uFEDF",
-	        "medial": "\uFEE0"
-	    },
-	    "meem": {
-	        "normal": [
-	            "\u0645"
-	        ],
-	        "dot_above": [
-	            "\u0765"
-	        ],
-	        "dot_below": [
-	            "\u0766"
-	        ],
-	        "three_dots_above": [
-	            "\u08A7"
-	        ],
-	        "isolated": "\uFEE1",
-	        "final": "\uFEE2",
-	        "initial": "\uFEE3",
-	        "medial": "\uFEE4"
-	    },
-	    "noon": {
-	        "normal": [
-	            "\u0646"
-	        ],
-	        "dot_below": [
-	            "\u06B9"
-	        ],
-	        "ring": [
-	            "\u06BC"
-	        ],
-	        "three_dots_above": [
-	            "\u06BD"
-	        ],
-	        "two_dots_below": [
-	            "\u0767"
-	        ],
-	        "small_tah": [
-	            "\u0768"
-	        ],
-	        "small_v": [
-	            "\u0769"
-	        ],
-	        "isolated": "\uFEE5",
-	        "final": "\uFEE6",
-	        "initial": "\uFEE7",
-	        "medial": "\uFEE8"
-	    },
-	    "heh": {
-	        "normal": [
-	            "\u0647"
-	        ],
-	        "isolated": "\uFEE9",
-	        "final": "\uFEEA",
-	        "initial": "\uFEEB",
-	        "medial": "\uFEEC"
-	    },
-	    "waw": {
-	        "normal": [
-	            "\u0648"
-	        ],
-	        "hamza_above": {
-	            "normal": [
-	                "\u0624",
-	                "\u0648\u0654"
-	            ],
-	            "isolated": "\uFE85",
-	            "final": "\uFE86"
-	        },
-	        "high_hamza": [
-	            "\u0676",
-	            "\u0648\u0674"
-	        ],
-	        "ring": [
-	            "\u06C4"
-	        ],
-	        "two_dots_above": [
-	            "\u06CA"
-	        ],
-	        "dot_above": [
-	            "\u06CF"
-	        ],
-	        "indic_two_above": [
-	            "\u0778"
-	        ],
-	        "indic_three_above": [
-	            "\u0779"
-	        ],
-	        "dot_within": [
-	            "\u08AB"
-	        ],
-	        "isolated": "\uFEED",
-	        "final": "\uFEEE"
-	    },
-	    "alef_maksura": {
-	        "normal": [
-	            "\u0649"
-	        ],
-	        "hamza_above": [
-	            "\u0626",
-	            "\u064A\u0654"
-	        ],
-	        "initial": "\uFBE8",
-	        "medial": "\uFBE9",
-	        "isolated": "\uFEEF",
-	        "final": "\uFEF0"
-	    },
-	    "yeh": {
-	        "normal": [
-	            "\u064A"
-	        ],
-	        "hamza_above": {
-	            "normal": [
-	                "\u0626",
-	                "\u0649\u0654"
-	            ],
-	            "isolated": "\uFE89",
-	            "final": "\uFE8A",
-	            "initial": "\uFE8B",
-	            "medial": "\uFE8C"
-	        },
-	        "two_dots_below_hamza_above": [
-	            "\u08A8"
-	        ],
-	        "high_hamza": [
-	            "\u0678",
-	            "\u064A\u0674"
-	        ],
-	        "tail": [
-	            "\u06CD"
-	        ],
-	        "small_v": [
-	            "\u06CE"
-	        ],
-	        "three_dots_below": [
-	            "\u06D1"
-	        ],
-	        "two_dots_below_dot_above": [
-	            "\u08A9"
-	        ],
-	        "two_dots_below_small_noon_above": [
-	            "\u08BA"
-	        ],
-	        "isolated": "\uFEF1",
-	        "final": "\uFEF2",
-	        "initial": "\uFEF3",
-	        "medial": "\uFEF4"
-	    },
-	    "tteh": {
-	        "normal": [
-	            "\u0679"
-	        ],
-	        "isolated": "\uFB66",
-	        "final": "\uFB67",
-	        "initial": "\uFB68",
-	        "medial": "\uFB69"
-	    },
-	    "tteheh": {
-	        "normal": [
-	            "\u067A"
-	        ],
-	        "isolated": "\uFB5E",
-	        "final": "\uFB5F",
-	        "initial": "\uFB60",
-	        "medial": "\uFB61"
-	    },
-	    "beeh": {
-	        "normal": [
-	            "\u067B"
-	        ],
-	        "isolated": "\uFB52",
-	        "final": "\uFB53",
-	        "initial": "\uFB54",
-	        "medial": "\uFB55"
-	    },
-	    "peh": {
-	        "normal": [
-	            "\u067E"
-	        ],
-	        "small_meem_above": [
-	            "\u08B7"
-	        ],
-	        "isolated": "\uFB56",
-	        "final": "\uFB57",
-	        "initial": "\uFB58",
-	        "medial": "\uFB59"
-	    },
-	    "teheh": {
-	        "normal": [
-	            "\u067F"
-	        ],
-	        "isolated": "\uFB62",
-	        "final": "\uFB63",
-	        "initial": "\uFB64",
-	        "medial": "\uFB65"
-	    },
-	    "beheh": {
-	        "normal": [
-	            "\u0680"
-	        ],
-	        "isolated": "\uFB5A",
-	        "final": "\uFB5B",
-	        "initial": "\uFB5C",
-	        "medial": "\uFB5D"
-	    },
-	    "nyeh": {
-	        "normal": [
-	            "\u0683"
-	        ],
-	        "isolated": "\uFB76",
-	        "final": "\uFB77",
-	        "initial": "\uFB78",
-	        "medial": "\uFB79"
-	    },
-	    "dyeh": {
-	        "normal": [
-	            "\u0684"
-	        ],
-	        "isolated": "\uFB72",
-	        "final": "\uFB73",
-	        "initial": "\uFB74",
-	        "medial": "\uFB75"
-	    },
-	    "tcheh": {
-	        "normal": [
-	            "\u0686"
-	        ],
-	        "dot_above": [
-	            "\u06BF"
-	        ],
-	        "isolated": "\uFB7A",
-	        "final": "\uFB7B",
-	        "initial": "\uFB7C",
-	        "medial": "\uFB7D"
-	    },
-	    "tcheheh": {
-	        "normal": [
-	            "\u0687"
-	        ],
-	        "isolated": "\uFB7E",
-	        "final": "\uFB7F",
-	        "initial": "\uFB80",
-	        "medial": "\uFB81"
-	    },
-	    "ddal": {
-	        "normal": [
-	            "\u0688"
-	        ],
-	        "isolated": "\uFB88",
-	        "final": "\uFB89"
-	    },
-	    "dahal": {
-	        "normal": [
-	            "\u068C"
-	        ],
-	        "isolated": "\uFB84",
-	        "final": "\uFB85"
-	    },
-	    "ddahal": {
-	        "normal": [
-	            "\u068D"
-	        ],
-	        "isolated": "\uFB82",
-	        "final": "\uFB83"
-	    },
-	    "dul": {
-	        "normal": [
-	            "\u068F",
-	            "\u068E"
-	        ],
-	        "isolated": "\uFB86",
-	        "final": "\uFB87"
-	    },
-	    "rreh": {
-	        "normal": [
-	            "\u0691"
-	        ],
-	        "isolated": "\uFB8C",
-	        "final": "\uFB8D"
-	    },
-	    "jeh": {
-	        "normal": [
-	            "\u0698"
-	        ],
-	        "isolated": "\uFB8A",
-	        "final": "\uFB8B"
-	    },
-	    "veh": {
-	        "normal": [
-	            "\u06A4"
-	        ],
-	        "isolated": "\uFB6A",
-	        "final": "\uFB6B",
-	        "initial": "\uFB6C",
-	        "medial": "\uFB6D"
-	    },
-	    "peheh": {
-	        "normal": [
-	            "\u06A6"
-	        ],
-	        "isolated": "\uFB6E",
-	        "final": "\uFB6F",
-	        "initial": "\uFB70",
-	        "medial": "\uFB71"
-	    },
-	    "keheh": {
-	        "normal": [
-	            "\u06A9"
-	        ],
-	        "dot_above": [
-	            "\u0762"
-	        ],
-	        "three_dots_above": [
-	            "\u0763"
-	        ],
-	        "three_dots_pointing_upwards_below": [
-	            "\u0764"
-	        ],
-	        "isolated": "\uFB8E",
-	        "final": "\uFB8F",
-	        "initial": "\uFB90",
-	        "medial": "\uFB91"
-	    },
-	    "ng": {
-	        "normal": [
-	            "\u06AD"
-	        ],
-	        "isolated": "\uFBD3",
-	        "final": "\uFBD4",
-	        "initial": "\uFBD5",
-	        "medial": "\uFBD6"
-	    },
-	    "gaf": {
-	        "normal": [
-	            "\u06AF"
-	        ],
-	        "ring": [
-	            "\u06B0"
-	        ],
-	        "two_dots_below": [
-	            "\u06B2"
-	        ],
-	        "three_dots_above": [
-	            "\u06B4"
-	        ],
-	        "inverted_stroke": [
-	            "\u08B0"
-	        ],
-	        "isolated": "\uFB92",
-	        "final": "\uFB93",
-	        "initial": "\uFB94",
-	        "medial": "\uFB95"
-	    },
-	    "ngoeh": {
-	        "normal": [
-	            "\u06B1"
-	        ],
-	        "isolated": "\uFB9A",
-	        "final": "\uFB9B",
-	        "initial": "\uFB9C",
-	        "medial": "\uFB9D"
-	    },
-	    "gueh": {
-	        "normal": [
-	            "\u06B3"
-	        ],
-	        "isolated": "\uFB96",
-	        "final": "\uFB97",
-	        "initial": "\uFB98",
-	        "medial": "\uFB99"
-	    },
-	    "noon ghunna": {
-	        "normal": [
-	            "\u06BA"
-	        ],
-	        "isolated": "\uFB9E",
-	        "final": "\uFB9F"
-	    },
-	    "rnoon": {
-	        "normal": [
-	            "\u06BB"
-	        ],
-	        "isolated": "\uFBA0",
-	        "final": "\uFBA1",
-	        "initial": "\uFBA2",
-	        "medial": "\uFBA3"
-	    },
-	    "heh doachashmee": {
-	        "normal": [
-	            "\u06BE"
-	        ],
-	        "isolated": "\uFBAA",
-	        "final": "\uFBAB",
-	        "initial": "\uFBAC",
-	        "medial": "\uFBAD"
-	    },
-	    "heh goal": {
-	        "normal": [
-	            "\u06C1"
-	        ],
-	        "hamza_above": [
-	            "\u06C1\u0654",
-	            "\u06C2"
-	        ],
-	        "isolated": "\uFBA6",
-	        "final": "\uFBA7",
-	        "initial": "\uFBA8",
-	        "medial": "\uFBA9"
-	    },
-	    "teh marbuta goal": {
-	        "normal": [
-	            "\u06C3"
-	        ]
-	    },
-	    "kirghiz oe": {
-	        "normal": [
-	            "\u06C5"
-	        ],
-	        "isolated": "\uFBE0",
-	        "final": "\uFBE1"
-	    },
-	    "oe": {
-	        "normal": [
-	            "\u06C6"
-	        ],
-	        "isolated": "\uFBD9",
-	        "final": "\uFBDA"
-	    },
-	    "u": {
-	        "normal": [
-	            "\u06C7"
-	        ],
-	        "hamza_above": {
-	            "normal": [
-	                "\u0677",
-	                "\u06C7\u0674"
-	            ],
-	            "isolated": "\uFBDD"
-	        },
-	        "isolated": "\uFBD7",
-	        "final": "\uFBD8"
-	    },
-	    "yu": {
-	        "normal": [
-	            "\u06C8"
-	        ],
-	        "isolated": "\uFBDB",
-	        "final": "\uFBDC"
-	    },
-	    "kirghiz yu": {
-	        "normal": [
-	            "\u06C9"
-	        ],
-	        "isolated": "\uFBE2",
-	        "final": "\uFBE3"
-	    },
-	    "ve": {
-	        "normal": [
-	            "\u06CB"
-	        ],
-	        "isolated": "\uFBDE",
-	        "final": "\uFBDF"
-	    },
-	    "farsi yeh": {
-	        "normal": [
-	            "\u06CC"
-	        ],
-	        "indic_two_above": [
-	            "\u0775"
-	        ],
-	        "indic_three_above": [
-	            "\u0776"
-	        ],
-	        "indic_four_above": [
-	            "\u0777"
-	        ],
-	        "isolated": "\uFBFC",
-	        "final": "\uFBFD",
-	        "initial": "\uFBFE",
-	        "medial": "\uFBFF"
-	    },
-	    "e": {
-	        "normal": [
-	            "\u06D0"
-	        ],
-	        "isolated": "\uFBE4",
-	        "final": "\uFBE5",
-	        "initial": "\uFBE6",
-	        "medial": "\uFBE7"
-	    },
-	    "yeh barree": {
-	        "normal": [
-	            "\u06D2"
-	        ],
-	        "hamza_above": {
-	            "normal": [
-	                "\u06D2\u0654",
-	                "\u06D3"
-	            ],
-	            "isolated": "\uFBB0",
-	            "final": "\uFBB1"
-	        },
-	        "indic_two_above": [
-	            "\u077A"
-	        ],
-	        "indic_three_above": [
-	            "\u077B"
-	        ],
-	        "isolated": "\uFBAE",
-	        "final": "\uFBAF"
-	    },
-	    "ae": {
-	        "normal": [
-	            "\u06D5"
-	        ],
-	        "isolated": "\u06D5",
-	        "final": "\uFEEA",
-	        "yeh_above": {
-	            "normal": [
-	                "\u06C0",
-	                "\u06D5\u0654"
-	            ],
-	            "isolated": "\uFBA4",
-	            "final": "\uFBA5"
-	        }
-	    },
-	    "rohingya yeh": {
-	        "normal": [
-	            "\u08AC"
-	        ]
-	    },
-	    "low alef": {
-	        "normal": [
-	            "\u08AD"
-	        ]
-	    },
-	    "straight waw": {
-	        "normal": [
-	            "\u08B1"
-	        ]
-	    },
-	    "african feh": {
-	        "normal": [
-	            "\u08BB"
-	        ]
-	    },
-	    "african qaf": {
-	        "normal": [
-	            "\u08BC"
-	        ]
-	    },
-	    "african noon": {
-	        "normal": [
-	            "\u08BD"
-	        ]
-	    }
-	};
-	exports.default = arabicReference;
-	});
-
-	var unicodeLigatures = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-	const ligatureReference = {
-	    "\u0626\u0627": {
-	        "isolated": "\uFBEA",
-	        "final": "\uFBEB"
-	    },
-	    "\u0626\u06D5": {
-	        "isolated": "\uFBEC",
-	        "final": "\uFBED"
-	    },
-	    "\u0626\u0648": {
-	        "isolated": "\uFBEE",
-	        "final": "\uFBEF"
-	    },
-	    "\u0626\u06C7": {
-	        "isolated": "\uFBF0",
-	        "final": "\uFBF1"
-	    },
-	    "\u0626\u06C6": {
-	        "isolated": "\uFBF2",
-	        "final": "\uFBF3"
-	    },
-	    "\u0626\u06C8": {
-	        "isolated": "\uFBF4",
-	        "final": "\uFBF5"
-	    },
-	    "\u0626\u06D0": {
-	        "isolated": "\uFBF6",
-	        "final": "\uFBF7",
-	        "initial": "\uFBF8"
-	    },
-	    "\u0626\u0649": {
-	        "uighur_kirghiz": {
-	            "isolated": "\uFBF9",
-	            "final": "\uFBFA",
-	            "initial": "\uFBFB"
-	        },
-	        "isolated": "\uFC03",
-	        "final": "\uFC68"
-	    },
-	    "\u0626\u062C": {
-	        "isolated": "\uFC00",
-	        "initial": "\uFC97"
-	    },
-	    "\u0626\u062D": {
-	        "isolated": "\uFC01",
-	        "initial": "\uFC98"
-	    },
-	    "\u0626\u0645": {
-	        "isolated": "\uFC02",
-	        "final": "\uFC66",
-	        "initial": "\uFC9A",
-	        "medial": "\uFCDF"
-	    },
-	    "\u0626\u064A": {
-	        "isolated": "\uFC04",
-	        "final": "\uFC69"
-	    },
-	    "\u0628\u062C": {
-	        "isolated": "\uFC05",
-	        "initial": "\uFC9C"
-	    },
-	    "\u0628\u062D": {
-	        "isolated": "\uFC06",
-	        "initial": "\uFC9D"
-	    },
-	    "\u0628\u062E": {
-	        "isolated": "\uFC07",
-	        "initial": "\uFC9E"
-	    },
-	    "\u0628\u0645": {
-	        "isolated": "\uFC08",
-	        "final": "\uFC6C",
-	        "initial": "\uFC9F",
-	        "medial": "\uFCE1"
-	    },
-	    "\u0628\u0649": {
-	        "isolated": "\uFC09",
-	        "final": "\uFC6E"
-	    },
-	    "\u0628\u064A": {
-	        "isolated": "\uFC0A",
-	        "final": "\uFC6F"
-	    },
-	    "\u062A\u062C": {
-	        "isolated": "\uFC0B",
-	        "initial": "\uFCA1"
-	    },
-	    "\u062A\u062D": {
-	        "isolated": "\uFC0C",
-	        "initial": "\uFCA2"
-	    },
-	    "\u062A\u062E": {
-	        "isolated": "\uFC0D",
-	        "initial": "\uFCA3"
-	    },
-	    "\u062A\u0645": {
-	        "isolated": "\uFC0E",
-	        "final": "\uFC72",
-	        "initial": "\uFCA4",
-	        "medial": "\uFCE3"
-	    },
-	    "\u062A\u0649": {
-	        "isolated": "\uFC0F",
-	        "final": "\uFC74"
-	    },
-	    "\u062A\u064A": {
-	        "isolated": "\uFC10",
-	        "final": "\uFC75"
-	    },
-	    "\u062B\u062C": {
-	        "isolated": "\uFC11"
-	    },
-	    "\u062B\u0645": {
-	        "isolated": "\uFC12",
-	        "final": "\uFC78",
-	        "initial": "\uFCA6",
-	        "medial": "\uFCE5"
-	    },
-	    "\u062B\u0649": {
-	        "isolated": "\uFC13",
-	        "final": "\uFC7A"
-	    },
-	    "\u062B\u0648": {
-	        "isolated": "\uFC14"
-	    },
-	    "\u062C\u062D": {
-	        "isolated": "\uFC15",
-	        "initial": "\uFCA7"
-	    },
-	    "\u062C\u0645": {
-	        "isolated": "\uFC16",
-	        "initial": "\uFCA8"
-	    },
-	    "\u062D\u062C": {
-	        "isolated": "\uFC17",
-	        "initial": "\uFCA9"
-	    },
-	    "\u062D\u0645": {
-	        "isolated": "\uFC18",
-	        "initial": "\uFCAA"
-	    },
-	    "\u062E\u062C": {
-	        "isolated": "\uFC19",
-	        "initial": "\uFCAB"
-	    },
-	    "\u062E\u062D": {
-	        "isolated": "\uFC1A"
-	    },
-	    "\u062E\u0645": {
-	        "isolated": "\uFC1B",
-	        "initial": "\uFCAC"
-	    },
-	    "\u0633\u062C": {
-	        "isolated": "\uFC1C",
-	        "initial": "\uFCAD",
-	        "medial": "\uFD34"
-	    },
-	    "\u0633\u062D": {
-	        "isolated": "\uFC1D",
-	        "initial": "\uFCAE",
-	        "medial": "\uFD35"
-	    },
-	    "\u0633\u062E": {
-	        "isolated": "\uFC1E",
-	        "initial": "\uFCAF",
-	        "medial": "\uFD36"
-	    },
-	    "\u0633\u0645": {
-	        "isolated": "\uFC1F",
-	        "initial": "\uFCB0",
-	        "medial": "\uFCE7"
-	    },
-	    "\u0635\u062D": {
-	        "isolated": "\uFC20",
-	        "initial": "\uFCB1"
-	    },
-	    "\u0635\u0645": {
-	        "isolated": "\uFC21",
-	        "initial": "\uFCB3"
-	    },
-	    "\u0636\u062C": {
-	        "isolated": "\uFC22",
-	        "initial": "\uFCB4"
-	    },
-	    "\u0636\u062D": {
-	        "isolated": "\uFC23",
-	        "initial": "\uFCB5"
-	    },
-	    "\u0636\u062E": {
-	        "isolated": "\uFC24",
-	        "initial": "\uFCB6"
-	    },
-	    "\u0636\u0645": {
-	        "isolated": "\uFC25",
-	        "initial": "\uFCB7"
-	    },
-	    "\u0637\u062D": {
-	        "isolated": "\uFC26",
-	        "initial": "\uFCB8"
-	    },
-	    "\u0637\u0645": {
-	        "isolated": "\uFC27",
-	        "initial": "\uFD33",
-	        "medial": "\uFD3A"
-	    },
-	    "\u0638\u0645": {
-	        "isolated": "\uFC28",
-	        "initial": "\uFCB9",
-	        "medial": "\uFD3B"
-	    },
-	    "\u0639\u062C": {
-	        "isolated": "\uFC29",
-	        "initial": "\uFCBA"
-	    },
-	    "\u0639\u0645": {
-	        "isolated": "\uFC2A",
-	        "initial": "\uFCBB"
-	    },
-	    "\u063A\u062C": {
-	        "isolated": "\uFC2B",
-	        "initial": "\uFCBC"
-	    },
-	    "\u063A\u0645": {
-	        "isolated": "\uFC2C",
-	        "initial": "\uFCBD"
-	    },
-	    "\u0641\u062C": {
-	        "isolated": "\uFC2D",
-	        "initial": "\uFCBE"
-	    },
-	    "\u0641\u062D": {
-	        "isolated": "\uFC2E",
-	        "initial": "\uFCBF"
-	    },
-	    "\u0641\u062E": {
-	        "isolated": "\uFC2F",
-	        "initial": "\uFCC0"
-	    },
-	    "\u0641\u0645": {
-	        "isolated": "\uFC30",
-	        "initial": "\uFCC1"
-	    },
-	    "\u0641\u0649": {
-	        "isolated": "\uFC31",
-	        "final": "\uFC7C"
-	    },
-	    "\u0641\u064A": {
-	        "isolated": "\uFC32",
-	        "final": "\uFC7D"
-	    },
-	    "\u0642\u062D": {
-	        "isolated": "\uFC33",
-	        "initial": "\uFCC2"
-	    },
-	    "\u0642\u0645": {
-	        "isolated": "\uFC34",
-	        "initial": "\uFCC3"
-	    },
-	    "\u0642\u0649": {
-	        "isolated": "\uFC35",
-	        "final": "\uFC7E"
-	    },
-	    "\u0642\u064A": {
-	        "isolated": "\uFC36",
-	        "final": "\uFC7F"
-	    },
-	    "\u0643\u0627": {
-	        "isolated": "\uFC37",
-	        "final": "\uFC80"
-	    },
-	    "\u0643\u062C": {
-	        "isolated": "\uFC38",
-	        "initial": "\uFCC4"
-	    },
-	    "\u0643\u062D": {
-	        "isolated": "\uFC39",
-	        "initial": "\uFCC5"
-	    },
-	    "\u0643\u062E": {
-	        "isolated": "\uFC3A",
-	        "initial": "\uFCC6"
-	    },
-	    "\u0643\u0644": {
-	        "isolated": "\uFC3B",
-	        "final": "\uFC81",
-	        "initial": "\uFCC7",
-	        "medial": "\uFCEB"
-	    },
-	    "\u0643\u0645": {
-	        "isolated": "\uFC3C",
-	        "final": "\uFC82",
-	        "initial": "\uFCC8",
-	        "medial": "\uFCEC"
-	    },
-	    "\u0643\u0649": {
-	        "isolated": "\uFC3D",
-	        "final": "\uFC83"
-	    },
-	    "\u0643\u064A": {
-	        "isolated": "\uFC3E",
-	        "final": "\uFC84"
-	    },
-	    "\u0644\u062C": {
-	        "isolated": "\uFC3F",
-	        "initial": "\uFCC9"
-	    },
-	    "\u0644\u062D": {
-	        "isolated": "\uFC40",
-	        "initial": "\uFCCA"
-	    },
-	    "\u0644\u062E": {
-	        "isolated": "\uFC41",
-	        "initial": "\uFCCB"
-	    },
-	    "\u0644\u0645": {
-	        "isolated": "\uFC42",
-	        "final": "\uFC85",
-	        "initial": "\uFCCC",
-	        "medial": "\uFCED"
-	    },
-	    "\u0644\u0649": {
-	        "isolated": "\uFC43",
-	        "final": "\uFC86"
-	    },
-	    "\u0644\u064A": {
-	        "isolated": "\uFC44",
-	        "final": "\uFC87"
-	    },
-	    "\u0645\u062C": {
-	        "isolated": "\uFC45",
-	        "initial": "\uFCCE"
-	    },
-	    "\u0645\u062D": {
-	        "isolated": "\uFC46",
-	        "initial": "\uFCCF"
-	    },
-	    "\u0645\u062E": {
-	        "isolated": "\uFC47",
-	        "initial": "\uFCD0"
-	    },
-	    "\u0645\u0645": {
-	        "isolated": "\uFC48",
-	        "final": "\uFC89",
-	        "initial": "\uFCD1"
-	    },
-	    "\u0645\u0649": {
-	        "isolated": "\uFC49"
-	    },
-	    "\u0645\u064A": {
-	        "isolated": "\uFC4A"
-	    },
-	    "\u0646\u062C": {
-	        "isolated": "\uFC4B",
-	        "initial": "\uFCD2"
-	    },
-	    "\u0646\u062D": {
-	        "isolated": "\uFC4C",
-	        "initial": "\uFCD3"
-	    },
-	    "\u0646\u062E": {
-	        "isolated": "\uFC4D",
-	        "initial": "\uFCD4"
-	    },
-	    "\u0646\u0645": {
-	        "isolated": "\uFC4E",
-	        "final": "\uFC8C",
-	        "initial": "\uFCD5",
-	        "medial": "\uFCEE"
-	    },
-	    "\u0646\u0649": {
-	        "isolated": "\uFC4F",
-	        "final": "\uFC8E"
-	    },
-	    "\u0646\u064A": {
-	        "isolated": "\uFC50",
-	        "final": "\uFC8F"
-	    },
-	    "\u0647\u062C": {
-	        "isolated": "\uFC51",
-	        "initial": "\uFCD7"
-	    },
-	    "\u0647\u0645": {
-	        "isolated": "\uFC52",
-	        "initial": "\uFCD8"
-	    },
-	    "\u0647\u0649": {
-	        "isolated": "\uFC53"
-	    },
-	    "\u0647\u064A": {
-	        "isolated": "\uFC54"
-	    },
-	    "\u064A\u062C": {
-	        "isolated": "\uFC55",
-	        "initial": "\uFCDA"
-	    },
-	    "\u064A\u062D": {
-	        "isolated": "\uFC56",
-	        "initial": "\uFCDB"
-	    },
-	    "\u064A\u062E": {
-	        "isolated": "\uFC57",
-	        "initial": "\uFCDC"
-	    },
-	    "\u064A\u0645": {
-	        "isolated": "\uFC58",
-	        "final": "\uFC93",
-	        "initial": "\uFCDD",
-	        "medial": "\uFCF0"
-	    },
-	    "\u064A\u0649": {
-	        "isolated": "\uFC59",
-	        "final": "\uFC95"
-	    },
-	    "\u064A\u064A": {
-	        "isolated": "\uFC5A",
-	        "final": "\uFC96"
-	    },
-	    "\u0630\u0670": {
-	        "isolated": "\uFC5B"
-	    },
-	    "\u0631\u0670": {
-	        "isolated": "\uFC5C"
-	    },
-	    "\u0649\u0670": {
-	        "isolated": "\uFC5D",
-	        "final": "\uFC90"
-	    },
-	    "\u064C\u0651": {
-	        "isolated": "\uFC5E"
-	    },
-	    "\u064D\u0651": {
-	        "isolated": "\uFC5F"
-	    },
-	    "\u064E\u0651": {
-	        "isolated": "\uFC60"
-	    },
-	    "\u064F\u0651": {
-	        "isolated": "\uFC61"
-	    },
-	    "\u0650\u0651": {
-	        "isolated": "\uFC62"
-	    },
-	    "\u0651\u0670": {
-	        "isolated": "\uFC63"
-	    },
-	    "\u0626\u0631": {
-	        "final": "\uFC64"
-	    },
-	    "\u0626\u0632": {
-	        "final": "\uFC65"
-	    },
-	    "\u0626\u0646": {
-	        "final": "\uFC67"
-	    },
-	    "\u0628\u0631": {
-	        "final": "\uFC6A"
-	    },
-	    "\u0628\u0632": {
-	        "final": "\uFC6B"
-	    },
-	    "\u0628\u0646": {
-	        "final": "\uFC6D"
-	    },
-	    "\u062A\u0631": {
-	        "final": "\uFC70"
-	    },
-	    "\u062A\u0632": {
-	        "final": "\uFC71"
-	    },
-	    "\u062A\u0646": {
-	        "final": "\uFC73"
-	    },
-	    "\u062B\u0631": {
-	        "final": "\uFC76"
-	    },
-	    "\u062B\u0632": {
-	        "final": "\uFC77"
-	    },
-	    "\u062B\u0646": {
-	        "final": "\uFC79"
-	    },
-	    "\u062B\u064A": {
-	        "final": "\uFC7B"
-	    },
-	    "\u0645\u0627": {
-	        "final": "\uFC88"
-	    },
-	    "\u0646\u0631": {
-	        "final": "\uFC8A"
-	    },
-	    "\u0646\u0632": {
-	        "final": "\uFC8B"
-	    },
-	    "\u0646\u0646": {
-	        "final": "\uFC8D"
-	    },
-	    "\u064A\u0631": {
-	        "final": "\uFC91"
-	    },
-	    "\u064A\u0632": {
-	        "final": "\uFC92"
-	    },
-	    "\u064A\u0646": {
-	        "final": "\uFC94"
-	    },
-	    "\u0626\u062E": {
-	        "initial": "\uFC99"
-	    },
-	    "\u0626\u0647": {
-	        "initial": "\uFC9B",
-	        "medial": "\uFCE0"
-	    },
-	    "\u0628\u0647": {
-	        "initial": "\uFCA0",
-	        "medial": "\uFCE2"
-	    },
-	    "\u062A\u0647": {
-	        "initial": "\uFCA5",
-	        "medial": "\uFCE4"
-	    },
-	    "\u0635\u062E": {
-	        "initial": "\uFCB2"
-	    },
-	    "\u0644\u0647": {
-	        "initial": "\uFCCD"
-	    },
-	    "\u0646\u0647": {
-	        "initial": "\uFCD6",
-	        "medial": "\uFCEF"
-	    },
-	    "\u0647\u0670": {
-	        "initial": "\uFCD9"
-	    },
-	    "\u064A\u0647": {
-	        "initial": "\uFCDE",
-	        "medial": "\uFCF1"
-	    },
-	    "\u062B\u0647": {
-	        "medial": "\uFCE6"
-	    },
-	    "\u0633\u0647": {
-	        "medial": "\uFCE8",
-	        "initial": "\uFD31"
-	    },
-	    "\u0634\u0645": {
-	        "medial": "\uFCE9",
-	        "isolated": "\uFD0C",
-	        "final": "\uFD28",
-	        "initial": "\uFD30"
-	    },
-	    "\u0634\u0647": {
-	        "medial": "\uFCEA",
-	        "initial": "\uFD32"
-	    },
-	    "\u0640\u064E\u0651": {
-	        "medial": "\uFCF2"
-	    },
-	    "\u0640\u064F\u0651": {
-	        "medial": "\uFCF3"
-	    },
-	    "\u0640\u0650\u0651": {
-	        "medial": "\uFCF4"
-	    },
-	    "\u0637\u0649": {
-	        "isolated": "\uFCF5",
-	        "final": "\uFD11"
-	    },
-	    "\u0637\u064A": {
-	        "isolated": "\uFCF6",
-	        "final": "\uFD12"
-	    },
-	    "\u0639\u0649": {
-	        "isolated": "\uFCF7",
-	        "final": "\uFD13"
-	    },
-	    "\u0639\u064A": {
-	        "isolated": "\uFCF8",
-	        "final": "\uFD14"
-	    },
-	    "\u063A\u0649": {
-	        "isolated": "\uFCF9",
-	        "final": "\uFD15"
-	    },
-	    "\u063A\u064A": {
-	        "isolated": "\uFCFA",
-	        "final": "\uFD16"
-	    },
-	    "\u0633\u0649": {
-	        "isolated": "\uFCFB"
-	    },
-	    "\u0633\u064A": {
-	        "isolated": "\uFCFC",
-	        "final": "\uFD18"
-	    },
-	    "\u0634\u0649": {
-	        "isolated": "\uFCFD",
-	        "final": "\uFD19"
-	    },
-	    "\u0634\u064A": {
-	        "isolated": "\uFCFE",
-	        "final": "\uFD1A"
-	    },
-	    "\u062D\u0649": {
-	        "isolated": "\uFCFF",
-	        "final": "\uFD1B"
-	    },
-	    "\u062D\u064A": {
-	        "isolated": "\uFD00",
-	        "final": "\uFD1C"
-	    },
-	    "\u062C\u0649": {
-	        "isolated": "\uFD01",
-	        "final": "\uFD1D"
-	    },
-	    "\u062C\u064A": {
-	        "isolated": "\uFD02",
-	        "final": "\uFD1E"
-	    },
-	    "\u062E\u0649": {
-	        "isolated": "\uFD03",
-	        "final": "\uFD1F"
-	    },
-	    "\u062E\u064A": {
-	        "isolated": "\uFD04",
-	        "final": "\uFD20"
-	    },
-	    "\u0635\u0649": {
-	        "isolated": "\uFD05",
-	        "final": "\uFD21"
-	    },
-	    "\u0635\u064A": {
-	        "isolated": "\uFD06",
-	        "final": "\uFD22"
-	    },
-	    "\u0636\u0649": {
-	        "isolated": "\uFD07",
-	        "final": "\uFD23"
-	    },
-	    "\u0636\u064A": {
-	        "isolated": "\uFD08",
-	        "final": "\uFD24"
-	    },
-	    "\u0634\u062C": {
-	        "isolated": "\uFD09",
-	        "final": "\uFD25",
-	        "initial": "\uFD2D",
-	        "medial": "\uFD37"
-	    },
-	    "\u0634\u062D": {
-	        "isolated": "\uFD0A",
-	        "final": "\uFD26",
-	        "initial": "\uFD2E",
-	        "medial": "\uFD38"
-	    },
-	    "\u0634\u062E": {
-	        "isolated": "\uFD0B",
-	        "final": "\uFD27",
-	        "initial": "\uFD2F",
-	        "medial": "\uFD39"
-	    },
-	    "\u0634\u0631": {
-	        "isolated": "\uFD0D",
-	        "final": "\uFD29"
-	    },
-	    "\u0633\u0631": {
-	        "isolated": "\uFD0E",
-	        "final": "\uFD2A"
-	    },
-	    "\u0635\u0631": {
-	        "isolated": "\uFD0F",
-	        "final": "\uFD2B"
-	    },
-	    "\u0636\u0631": {
-	        "isolated": "\uFD10",
-	        "final": "\uFD2C"
-	    },
-	    "\u0633\u0639": {
-	        "final": "\uFD17"
-	    },
-	    "\u062A\u062C\u0645": {
-	        "initial": "\uFD50"
-	    },
-	    "\u062A\u062D\u062C": {
-	        "final": "\uFD51",
-	        "initial": "\uFD52"
-	    },
-	    "\u062A\u062D\u0645": {
-	        "initial": "\uFD53"
-	    },
-	    "\u062A\u062E\u0645": {
-	        "initial": "\uFD54"
-	    },
-	    "\u062A\u0645\u062C": {
-	        "initial": "\uFD55"
-	    },
-	    "\u062A\u0645\u062D": {
-	        "initial": "\uFD56"
-	    },
-	    "\u062A\u0645\u062E": {
-	        "initial": "\uFD57"
-	    },
-	    "\u062C\u0645\u062D": {
-	        "final": "\uFD58",
-	        "initial": "\uFD59"
-	    },
-	    "\u062D\u0645\u064A": {
-	        "final": "\uFD5A"
-	    },
-	    "\u062D\u0645\u0649": {
-	        "final": "\uFD5B"
-	    },
-	    "\u0633\u062D\u062C": {
-	        "initial": "\uFD5C"
-	    },
-	    "\u0633\u062C\u062D": {
-	        "initial": "\uFD5D"
-	    },
-	    "\u0633\u062C\u0649": {
-	        "final": "\uFD5E"
-	    },
-	    "\u0633\u0645\u062D": {
-	        "final": "\uFD5F",
-	        "initial": "\uFD60"
-	    },
-	    "\u0633\u0645\u062C": {
-	        "initial": "\uFD61"
-	    },
-	    "\u0633\u0645\u0645": {
-	        "final": "\uFD62",
-	        "initial": "\uFD63"
-	    },
-	    "\u0635\u062D\u062D": {
-	        "final": "\uFD64",
-	        "initial": "\uFD65"
-	    },
-	    "\u0635\u0645\u0645": {
-	        "final": "\uFD66",
-	        "initial": "\uFDC5"
-	    },
-	    "\u0634\u062D\u0645": {
-	        "final": "\uFD67",
-	        "initial": "\uFD68"
-	    },
-	    "\u0634\u062C\u064A": {
-	        "final": "\uFD69"
-	    },
-	    "\u0634\u0645\u062E": {
-	        "final": "\uFD6A",
-	        "initial": "\uFD6B"
-	    },
-	    "\u0634\u0645\u0645": {
-	        "final": "\uFD6C",
-	        "initial": "\uFD6D"
-	    },
-	    "\u0636\u062D\u0649": {
-	        "final": "\uFD6E"
-	    },
-	    "\u0636\u062E\u0645": {
-	        "final": "\uFD6F",
-	        "initial": "\uFD70"
-	    },
-	    "\u0636\u0645\u062D": {
-	        "final": "\uFD71"
-	    },
-	    "\u0637\u0645\u062D": {
-	        "initial": "\uFD72"
-	    },
-	    "\u0637\u0645\u0645": {
-	        "initial": "\uFD73"
-	    },
-	    "\u0637\u0645\u064A": {
-	        "final": "\uFD74"
-	    },
-	    "\u0639\u062C\u0645": {
-	        "final": "\uFD75",
-	        "initial": "\uFDC4"
-	    },
-	    "\u0639\u0645\u0645": {
-	        "final": "\uFD76",
-	        "initial": "\uFD77"
-	    },
-	    "\u0639\u0645\u0649": {
-	        "final": "\uFD78"
-	    },
-	    "\u063A\u0645\u0645": {
-	        "final": "\uFD79"
-	    },
-	    "\u063A\u0645\u064A": {
-	        "final": "\uFD7A"
-	    },
-	    "\u063A\u0645\u0649": {
-	        "final": "\uFD7B"
-	    },
-	    "\u0641\u062E\u0645": {
-	        "final": "\uFD7C",
-	        "initial": "\uFD7D"
-	    },
-	    "\u0642\u0645\u062D": {
-	        "final": "\uFD7E",
-	        "initial": "\uFDB4"
-	    },
-	    "\u0642\u0645\u0645": {
-	        "final": "\uFD7F"
-	    },
-	    "\u0644\u062D\u0645": {
-	        "final": "\uFD80",
-	        "initial": "\uFDB5"
-	    },
-	    "\u0644\u062D\u064A": {
-	        "final": "\uFD81"
-	    },
-	    "\u0644\u062D\u0649": {
-	        "final": "\uFD82"
-	    },
-	    "\u0644\u062C\u062C": {
-	        "initial": "\uFD83",
-	        "final": "\uFD84"
-	    },
-	    "\u0644\u062E\u0645": {
-	        "final": "\uFD85",
-	        "initial": "\uFD86"
-	    },
-	    "\u0644\u0645\u062D": {
-	        "final": "\uFD87",
-	        "initial": "\uFD88"
-	    },
-	    "\u0645\u062D\u062C": {
-	        "initial": "\uFD89"
-	    },
-	    "\u0645\u062D\u0645": {
-	        "initial": "\uFD8A"
-	    },
-	    "\u0645\u062D\u064A": {
-	        "final": "\uFD8B"
-	    },
-	    "\u0645\u062C\u062D": {
-	        "initial": "\uFD8C"
-	    },
-	    "\u0645\u062C\u0645": {
-	        "initial": "\uFD8D"
-	    },
-	    "\u0645\u062E\u062C": {
-	        "initial": "\uFD8E"
-	    },
-	    "\u0645\u062E\u0645": {
-	        "initial": "\uFD8F"
-	    },
-	    "\u0645\u062C\u062E": {
-	        "initial": "\uFD92"
-	    },
-	    "\u0647\u0645\u062C": {
-	        "initial": "\uFD93"
-	    },
-	    "\u0647\u0645\u0645": {
-	        "initial": "\uFD94"
-	    },
-	    "\u0646\u062D\u0645": {
-	        "initial": "\uFD95"
-	    },
-	    "\u0646\u062D\u0649": {
-	        "final": "\uFD96"
-	    },
-	    "\u0646\u062C\u0645": {
-	        "final": "\uFD97",
-	        "initial": "\uFD98"
-	    },
-	    "\u0646\u062C\u0649": {
-	        "final": "\uFD99"
-	    },
-	    "\u0646\u0645\u064A": {
-	        "final": "\uFD9A"
-	    },
-	    "\u0646\u0645\u0649": {
-	        "final": "\uFD9B"
-	    },
-	    "\u064A\u0645\u0645": {
-	        "final": "\uFD9C",
-	        "initial": "\uFD9D"
-	    },
-	    "\u0628\u062E\u064A": {
-	        "final": "\uFD9E"
-	    },
-	    "\u062A\u062C\u064A": {
-	        "final": "\uFD9F"
-	    },
-	    "\u062A\u062C\u0649": {
-	        "final": "\uFDA0"
-	    },
-	    "\u062A\u062E\u064A": {
-	        "final": "\uFDA1"
-	    },
-	    "\u062A\u062E\u0649": {
-	        "final": "\uFDA2"
-	    },
-	    "\u062A\u0645\u064A": {
-	        "final": "\uFDA3"
-	    },
-	    "\u062A\u0645\u0649": {
-	        "final": "\uFDA4"
-	    },
-	    "\u062C\u0645\u064A": {
-	        "final": "\uFDA5"
-	    },
-	    "\u062C\u062D\u0649": {
-	        "final": "\uFDA6"
-	    },
-	    "\u062C\u0645\u0649": {
-	        "final": "\uFDA7"
-	    },
-	    "\u0633\u062E\u0649": {
-	        "final": "\uFDA8"
-	    },
-	    "\u0635\u062D\u064A": {
-	        "final": "\uFDA9"
-	    },
-	    "\u0634\u062D\u064A": {
-	        "final": "\uFDAA"
-	    },
-	    "\u0636\u062D\u064A": {
-	        "final": "\uFDAB"
-	    },
-	    "\u0644\u062C\u064A": {
-	        "final": "\uFDAC"
-	    },
-	    "\u0644\u0645\u064A": {
-	        "final": "\uFDAD"
-	    },
-	    "\u064A\u062D\u064A": {
-	        "final": "\uFDAE"
-	    },
-	    "\u064A\u062C\u064A": {
-	        "final": "\uFDAF"
-	    },
-	    "\u064A\u0645\u064A": {
-	        "final": "\uFDB0"
-	    },
-	    "\u0645\u0645\u064A": {
-	        "final": "\uFDB1"
-	    },
-	    "\u0642\u0645\u064A": {
-	        "final": "\uFDB2"
-	    },
-	    "\u0646\u062D\u064A": {
-	        "final": "\uFDB3"
-	    },
-	    "\u0639\u0645\u064A": {
-	        "final": "\uFDB6"
-	    },
-	    "\u0643\u0645\u064A": {
-	        "final": "\uFDB7"
-	    },
-	    "\u0646\u062C\u062D": {
-	        "initial": "\uFDB8",
-	        "final": "\uFDBD"
-	    },
-	    "\u0645\u062E\u064A": {
-	        "final": "\uFDB9"
-	    },
-	    "\u0644\u062C\u0645": {
-	        "initial": "\uFDBA",
-	        "final": "\uFDBC"
-	    },
-	    "\u0643\u0645\u0645": {
-	        "final": "\uFDBB",
-	        "initial": "\uFDC3"
-	    },
-	    "\u062C\u062D\u064A": {
-	        "final": "\uFDBE"
-	    },
-	    "\u062D\u062C\u064A": {
-	        "final": "\uFDBF"
-	    },
-	    "\u0645\u062C\u064A": {
-	        "final": "\uFDC0"
-	    },
-	    "\u0641\u0645\u064A": {
-	        "final": "\uFDC1"
-	    },
-	    "\u0628\u062D\u064A": {
-	        "final": "\uFDC2"
-	    },
-	    "\u0633\u062E\u064A": {
-	        "final": "\uFDC6"
-	    },
-	    "\u0646\u062C\u064A": {
-	        "final": "\uFDC7"
-	    },
-	    "\u0644\u0622": {
-	        "isolated": "\uFEF5",
-	        "final": "\uFEF6"
-	    },
-	    "\u0644\u0623": {
-	        "isolated": "\uFEF7",
-	        "final": "\uFEF8"
-	    },
-	    "\u0644\u0625": {
-	        "isolated": "\uFEF9",
-	        "final": "\uFEFA"
-	    },
-	    "\u0644\u0627": {
-	        "isolated": "\uFEFB",
-	        "final": "\uFEFC"
-	    },
-	    "words": {
-	        "\u0635\u0644\u06D2": "\uFDF0",
-	        "\u0642\u0644\u06D2": "\uFDF1",
-	        "\u0627\u0644\u0644\u0647": "\uFDF2",
-	        "\u0627\u0643\u0628\u0631": "\uFDF3",
-	        "\u0645\u062D\u0645\u062F": "\uFDF4",
-	        "\u0635\u0644\u0639\u0645": "\uFDF5",
-	        "\u0631\u0633\u0648\u0644": "\uFDF6",
-	        "\u0639\u0644\u064A\u0647": "\uFDF7",
-	        "\u0648\u0633\u0644\u0645": "\uFDF8",
-	        "\u0635\u0644\u0649": "\uFDF9",
-	        "\u0635\u0644\u0649\u0627\u0644\u0644\u0647\u0639\u0644\u064A\u0647\u0648\u0633\u0644\u0645": "\uFDFA",
-	        "\u062C\u0644\u062C\u0644\u0627\u0644\u0647": "\uFDFB",
-	        "\u0631\u06CC\u0627\u0644": "\uFDFC"
-	    }
-	};
-	exports.default = ligatureReference;
-	});
-
-	var reference = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-	const letterList = Object.keys(unicodeArabic.default);
-	exports.letterList = letterList;
-	const ligatureList = Object.keys(unicodeLigatures.default);
-	exports.ligatureList = ligatureList;
-	const ligatureWordList = Object.keys(unicodeLigatures.default.words);
-	exports.ligatureWordList = ligatureWordList;
-	const lams = '\u0644\u06B5\u06B6\u06B7\u06B8';
-	exports.lams = lams;
-	const alefs = '\u0627\u0622\u0623\u0625\u0671\u0672\u0673\u0675\u0773\u0774';
-	exports.alefs = alefs;
-	// for (var l = 1; l < lams.length; l++) {
-	//   console.log('-');
-	//   for (var a = 0; a < alefs.length; a++) {
-	//     console.log(a + ': ' + lams[l] + alefs[a]);
-	//   }
-	// }
-	let tashkeel = '\u0605\u0640\u0670\u0674\u06DF\u06E7\u06E8';
-	exports.tashkeel = tashkeel;
-	function addToTashkeel(start, finish) {
-	    for (var i = start; i <= finish; i++) {
-	        exports.tashkeel = tashkeel += String.fromCharCode(i);
-	    }
-	}
-	addToTashkeel(0x0610, 0x061A);
-	addToTashkeel(0x064B, 0x065F);
-	addToTashkeel(0x06D6, 0x06DC);
-	addToTashkeel(0x06E0, 0x06E4);
-	addToTashkeel(0x06EA, 0x06ED);
-	addToTashkeel(0x08D3, 0x08E1);
-	addToTashkeel(0x08E3, 0x08FF);
-	addToTashkeel(0xFE70, 0xFE7F);
-	let lineBreakers = '\u0627\u0629\u0648\u06C0\u06CF\u06FD\u06FE\u076B\u076C\u0771\u0773\u0774\u0778\u0779\u08E2\u08B1\u08B2\u08B9';
-	exports.lineBreakers = lineBreakers;
-	function addToLineBreakers(start, finish) {
-	    for (var i = start; i <= finish; i++) {
-	        exports.lineBreakers = lineBreakers += String.fromCharCode(i);
-	    }
-	}
-	addToLineBreakers(0x0600, 0x061F); // it's OK to include tashkeel in this range as it is ignored
-	addToLineBreakers(0x0621, 0x0625);
-	addToLineBreakers(0x062F, 0x0632);
-	addToLineBreakers(0x0660, 0x066D); // numerals, math
-	addToLineBreakers(0x0671, 0x0677);
-	addToLineBreakers(0x0688, 0x0699);
-	addToLineBreakers(0x06C3, 0x06CB);
-	addToLineBreakers(0x06D2, 0x06F9);
-	addToLineBreakers(0x0759, 0x075B);
-	addToLineBreakers(0x08AA, 0x08AE);
-	addToLineBreakers(0xFB50, 0xFDFD); // presentation forms look like they could connect, but never do
-	// Presentation Forms A includes diacritics but they are meant to stand alone
-	addToLineBreakers(0xFE80, 0xFEFC); // presentation forms look like they could connect, but never do
-	// numerals, math
-	addToLineBreakers(0x10E60, 0x10E7F);
-	addToLineBreakers(0x1EC70, 0x1ECBF);
-	addToLineBreakers(0x1EE00, 0x1EEFF);
-	});
-
-	var GlyphSplitter_1 = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-	function GlyphSplitter(word) {
-	    let letters = [];
-	    let lastLetter = '';
-	    word.split('').forEach((letter) => {
-	        if (isArabic_1.isArabic(letter)) {
-	            if (reference.tashkeel.indexOf(letter) > -1) {
-	                letters[letters.length - 1] += letter;
-	            }
-	            else if (lastLetter.length && ((reference.lams.indexOf(lastLetter) === 0 && reference.alefs.indexOf(letter) > -1) || (reference.lams.indexOf(lastLetter) > 0 && reference.alefs.indexOf(letter) === 0))) {
-	                // valid LA forms
-	                letters[letters.length - 1] += letter;
-	            }
-	            else {
-	                letters.push(letter);
-	            }
-	        }
-	        else {
-	            letters.push(letter);
-	        }
-	        if (reference.tashkeel.indexOf(letter) === -1) {
-	            lastLetter = letter;
-	        }
-	    });
-	    return letters;
-	}
-	exports.GlyphSplitter = GlyphSplitter;
-	});
-
-	var BaselineSplitter_1 = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-	function BaselineSplitter(word) {
-	    let letters = [];
-	    let lastLetter = '';
-	    word.split('').forEach((letter) => {
-	        if (isArabic_1.isArabic(letter) && isArabic_1.isArabic(lastLetter)) {
-	            if (lastLetter.length && reference.tashkeel.indexOf(letter) > -1) {
-	                letters[letters.length - 1] += letter;
-	            }
-	            else if (reference.lineBreakers.indexOf(lastLetter) > -1) {
-	                letters.push(letter);
-	            }
-	            else {
-	                letters[letters.length - 1] += letter;
-	            }
-	        }
-	        else {
-	            letters.push(letter);
-	        }
-	        if (reference.tashkeel.indexOf(letter) === -1) {
-	            // don't allow tashkeel to hide line break
-	            lastLetter = letter;
-	        }
-	    });
-	    return letters;
-	}
-	exports.BaselineSplitter = BaselineSplitter;
-	});
-
-	var Normalization = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-
-
-	function Normal(word, breakPresentationForm) {
-	    // default is to turn initial/isolated/medial/final presentation form to generic
-	    if (typeof breakPresentationForm === 'undefined') {
-	        breakPresentationForm = true;
-	    }
-	    let returnable = '';
-	    word.split('').forEach((letter) => {
-	        if (!isArabic_1.isArabic(letter)) {
-	            returnable += letter;
-	            return;
-	        }
-	        for (let w = 0; w < reference.letterList.length; w++) {
-	            // ok so we are checking this potential lettertron
-	            let letterForms = unicodeArabic.default[reference.letterList[w]];
-	            let versions = Object.keys(letterForms);
-	            for (let v = 0; v < versions.length; v++) {
-	                let localVersion = letterForms[versions[v]];
-	                if (typeof localVersion === 'object' && typeof localVersion.indexOf === 'undefined') {
-	                    // look at this embedded object
-	                    let embeddedForms = Object.keys(localVersion);
-	                    for (let ef = 0; ef < embeddedForms.length; ef++) {
-	                        let form = localVersion[embeddedForms[ef]];
-	                        if (form === letter || (typeof form === 'object' && form.indexOf && form.indexOf(letter) > -1)) {
-	                            // match
-	                            // console.log('embedded match');
-	                            if (form === letter) {
-	                                // match exact
-	                                if (breakPresentationForm && localVersion['normal'] && ['isolated', 'initial', 'medial', 'final'].indexOf(embeddedForms[ef]) > -1) {
-	                                    // replace presentation form
-	                                    // console.log('keeping normal form of the letter');
-	                                    if (typeof localVersion['normal'] === 'object') {
-	                                        returnable += localVersion['normal'][0];
-	                                    }
-	                                    else {
-	                                        returnable += localVersion['normal'];
-	                                    }
-	                                    return;
-	                                }
-	                                // console.log('keeping this letter');
-	                                returnable += letter;
-	                                return;
-	                            }
-	                            else if (typeof form === 'object' && form.indexOf && form.indexOf(letter) > -1) {
-	                                // match
-	                                returnable += form[0];
-	                                // console.log('added the first letter from the same array');
-	                                return;
-	                            }
-	                        }
-	                    }
-	                }
-	                else if (localVersion === letter) {
-	                    // match exact
-	                    if (breakPresentationForm && letterForms['normal'] && ['isolated', 'initial', 'medial', 'final'].indexOf(versions[v]) > -1) {
-	                        // replace presentation form
-	                        // console.log('keeping normal form of the letter');
-	                        if (typeof letterForms['normal'] === 'object') {
-	                            returnable += letterForms['normal'][0];
-	                        }
-	                        else {
-	                            returnable += letterForms['normal'];
-	                        }
-	                        return;
-	                    }
-	                    // console.log('keeping this letter');
-	                    returnable += letter;
-	                    return;
-	                }
-	                else if (typeof localVersion === 'object' && localVersion.indexOf && localVersion.indexOf(letter) > -1) {
-	                    // match
-	                    returnable += localVersion[0];
-	                    // console.log('added the first letter from the same array');
-	                    return;
-	                }
-	            }
-	        }
-	        // try ligatures
-	        for (let v2 = 0; v2 < reference.ligatureList.length; v2++) {
-	            let normalForm = reference.ligatureList[v2];
-	            if (normalForm !== 'words') {
-	                let ligForms = Object.keys(unicodeLigatures.default[normalForm]);
-	                for (let f = 0; f < ligForms.length; f++) {
-	                    if (unicodeLigatures.default[normalForm][ligForms[f]] === letter) {
-	                        returnable += normalForm;
-	                        return;
-	                    }
-	                }
-	            }
-	        }
-	        // try words ligatures
-	        for (let v3 = 0; v3 < reference.ligatureWordList.length; v3++) {
-	            let normalForm = reference.ligatureWordList[v3];
-	            if (unicodeLigatures.default.words[normalForm] === letter) {
-	                returnable += normalForm;
-	                return;
-	            }
-	        }
-	        returnable += letter;
-	        // console.log('kept the letter')
-	    });
-	    return returnable;
-	}
-	exports.Normal = Normal;
-	});
-
-	var CharShaper_1 = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-
-	function CharShaper(letter, form) {
-	    if (!isArabic_1.isArabic(letter)) {
-	        // fail not Arabic
-	        throw new Error('Not Arabic');
-	    }
-	    if (letter === "\u0621") {
-	        // hamza alone
-	        return "\u0621";
-	    }
-	    for (let w = 0; w < reference.letterList.length; w++) {
-	        // ok so we are checking this potential lettertron
-	        let letterForms = unicodeArabic.default[reference.letterList[w]];
-	        let versions = Object.keys(letterForms);
-	        for (let v = 0; v < versions.length; v++) {
-	            let localVersion = letterForms[versions[v]];
-	            if ((localVersion === letter) ||
-	                (typeof localVersion === 'object' && localVersion.indexOf && localVersion.indexOf(letter) > -1)) {
-	                if (versions.indexOf(form) > -1) {
-	                    return letterForms[form];
-	                }
-	            }
-	            else if (typeof localVersion === 'object' && typeof localVersion.indexOf === 'undefined') {
-	                // check embedded
-	                let embeddedVersions = Object.keys(localVersion);
-	                for (let ev = 0; ev < embeddedVersions.length; ev++) {
-	                    if ((localVersion[embeddedVersions[ev]] === letter) ||
-	                        (typeof localVersion[embeddedVersions[ev]] === 'object' && localVersion[embeddedVersions[ev]].indexOf && localVersion[embeddedVersions[ev]].indexOf(letter) > -1)) {
-	                        if (embeddedVersions.indexOf(form) > -1) {
-	                            return localVersion[form];
-	                        }
-	                    }
-	                }
-	            }
-	        }
-	    }
-	}
-	exports.CharShaper = CharShaper;
-	});
-
-	var WordShaper_1 = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-
-
-	function WordShaper(word) {
-	    let state = 'initial';
-	    let output = '';
-	    for (let w = 0; w < word.length; w++) {
-	        let nextLetter = ' ';
-	        for (let nxw = w + 1; nxw < word.length; nxw++) {
-	            if (!isArabic_1.isArabic(word[nxw])) {
-	                break;
-	            }
-	            if (reference.tashkeel.indexOf(word[nxw]) === -1) {
-	                nextLetter = word[nxw];
-	                break;
-	            }
-	        }
-	        if (!isArabic_1.isArabic(word[w]) || isArabic_1.isMath(word[w])) {
-	            // space or other non-Arabic
-	            output += word[w];
-	            state = 'initial';
-	        }
-	        else if (reference.tashkeel.indexOf(word[w]) > -1) {
-	            // tashkeel - add without changing state
-	            output += word[w];
-	        }
-	        else if ((nextLetter === ' ') // last Arabic letter in this word
-	            || (reference.lineBreakers.indexOf(word[w]) > -1)) { // the current letter is known to break lines
-	            output += CharShaper_1.CharShaper(word[w], state === 'initial' ? 'isolated' : 'final');
-	            state = 'initial';
-	        }
-	        else if (reference.lams.indexOf(word[w]) > -1 && reference.alefs.indexOf(nextLetter) > -1) {
-	            // LA letters - advance an additional letter after this
-	            output += unicodeLigatures.default[word[w] + nextLetter][(state === 'initial' ? 'isolated' : 'final')];
-	            while (word[w] !== nextLetter) {
-	                w++;
-	            }
-	            state = 'initial';
-	        }
-	        else {
-	            output += CharShaper_1.CharShaper(word[w], state);
-	            state = 'medial';
-	        }
-	    }
-	    return output;
-	}
-	exports.WordShaper = WordShaper;
-	});
-
-	var ParentLetter_1 = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-
-	function ParentLetter(letter) {
-	    if (!isArabic_1.isArabic(letter)) {
-	        throw new Error('Not an Arabic letter');
-	    }
-	    for (let w = 0; w < reference.letterList.length; w++) {
-	        // ok so we are checking this potential lettertron
-	        let letterForms = unicodeArabic.default[reference.letterList[w]];
-	        let versions = Object.keys(letterForms);
-	        for (let v = 0; v < versions.length; v++) {
-	            let localVersion = letterForms[versions[v]];
-	            if (typeof localVersion === 'object' && typeof localVersion.indexOf === 'undefined') {
-	                // look at this embedded object
-	                let embeddedForms = Object.keys(localVersion);
-	                for (let ef = 0; ef < embeddedForms.length; ef++) {
-	                    let form = localVersion[embeddedForms[ef]];
-	                    if (form === letter || (typeof form === 'object' && form.indexOf && form.indexOf(letter) > -1)) {
-	                        // match
-	                        return localVersion;
-	                    }
-	                }
-	            }
-	            else if (localVersion === letter || (typeof localVersion === 'object' && localVersion.indexOf && localVersion.indexOf(letter) > -1)) {
-	                // match
-	                return letterForms;
-	            }
-	        }
-	        return null;
-	    }
-	}
-	exports.ParentLetter = ParentLetter;
-	function GrandparentLetter(letter) {
-	    if (!isArabic_1.isArabic(letter)) {
-	        throw new Error('Not an Arabic letter');
-	    }
-	    for (let w = 0; w < reference.letterList.length; w++) {
-	        // ok so we are checking this potential lettertron
-	        let letterForms = unicodeArabic.default[reference.letterList[w]];
-	        let versions = Object.keys(letterForms);
-	        for (let v = 0; v < versions.length; v++) {
-	            let localVersion = letterForms[versions[v]];
-	            if (typeof localVersion === 'object' && typeof localVersion.indexOf === 'undefined') {
-	                // look at this embedded object
-	                let embeddedForms = Object.keys(localVersion);
-	                for (let ef = 0; ef < embeddedForms.length; ef++) {
-	                    let form = localVersion[embeddedForms[ef]];
-	                    if (form === letter || (typeof form === 'object' && form.indexOf && form.indexOf(letter) > -1)) {
-	                        // match
-	                        return letterForms;
-	                    }
-	                }
-	            }
-	            else if (localVersion === letter || (typeof localVersion === 'object' && localVersion.indexOf && localVersion.indexOf(letter) > -1)) {
-	                // match
-	                return letterForms;
-	            }
-	        }
-	        return null;
-	    }
-	}
-	exports.GrandparentLetter = GrandparentLetter;
-	});
-
-	var lib$1 = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-	exports.isArabic = isArabic_1.isArabic;
-
-	exports.GlyphSplitter = GlyphSplitter_1.GlyphSplitter;
-
-	exports.BaselineSplitter = BaselineSplitter_1.BaselineSplitter;
-
-	exports.Normal = Normalization.Normal;
-
-	exports.CharShaper = CharShaper_1.CharShaper;
-
-	exports.WordShaper = WordShaper_1.WordShaper;
-
-	exports.ParentLetter = ParentLetter_1.ParentLetter;
-	exports.GrandparentLetter = ParentLetter_1.GrandparentLetter;
-	});
-
-	// see https://github.com/openstreetmap/iD/pull/3707
-
-	var rtlRegex = /[\u0590-\u05FF\u0600-\u06FF\u0750-\u07BF\u08A0–\u08BF]/;
-
-	function fixRTLTextForSvg(inputText) {
-	    var ret = '', rtlBuffer = [];
-	    var arabicRegex = /[\u0600-\u06FF]/g;
-	    var arabicDiacritics = /[\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06ED]/g;
-	    var arabicMath = /[\u0660-\u066C\u06F0-\u06F9]+/g;
-	    var thaanaVowel = /[\u07A6-\u07B0]/;
-	    var hebrewSign = /[\u0591-\u05bd\u05bf\u05c1-\u05c5\u05c7]/;
-
-	    // Arabic word shaping
-	    if (arabicRegex.test(inputText)) {
-	        inputText = lib$1.WordShaper(inputText);
-	    }
-
-	    for (var n = 0; n < inputText.length; n++) {
-	        var c = inputText[n];
-	        if (arabicMath.test(c)) {
-	            // Arabic numbers go LTR
-	            ret += rtlBuffer.reverse().join('');
-	            rtlBuffer = [c];
-	        } else {
-	            if (rtlBuffer.length && arabicMath.test(rtlBuffer[rtlBuffer.length - 1])) {
-	                ret += rtlBuffer.reverse().join('');
-	                rtlBuffer = [];
-	            }
-	            if ((thaanaVowel.test(c) || hebrewSign.test(c) || arabicDiacritics.test(c)) && rtlBuffer.length) {
-	                rtlBuffer[rtlBuffer.length - 1] += c;
-	            } else if (rtlRegex.test(c)
-	                // include Arabic presentation forms
-	                || (c.charCodeAt(0) >= 64336 && c.charCodeAt(0) <= 65023)
-	                || (c.charCodeAt(0) >= 65136 && c.charCodeAt(0) <= 65279)) {
-	                rtlBuffer.push(c);
-	            } else if (c === ' ' && rtlBuffer.length) {
-	                // whitespace within RTL text
-	                rtlBuffer = [rtlBuffer.reverse().join('') + ' '];
-	            } else {
-	                // non-RTL character
-	                ret += rtlBuffer.reverse().join('') + c;
-	                rtlBuffer = [];
-	            }
-	        }
-	    }
-	    ret += rtlBuffer.reverse().join('');
-	    return ret;
-	}
-
-	// https://github.com/openstreetmap/iD/issues/772
-	// http://mathiasbynens.be/notes/localstorage-pattern#comment-9
-	let _storage;
-	try { _storage = localStorage; } catch (e) {}  // eslint-disable-line no-empty
-	_storage = _storage || (() => {
-	  let s = {};
-	  return {
-	    getItem: (k) => s[k],
-	    setItem: (k, v) => s[k] = v,
-	    removeItem: (k) => delete s[k]
-	  };
-	})();
-
-	//
-	// corePreferences is an interface for persisting basic key-value strings
-	// within and between iD sessions on the same site.
-	//
-	function corePreferences(k, v) {
-
-	  try {
-	    if (arguments.length === 1) return _storage.getItem(k);
-	    else if (v === null) _storage.removeItem(k);
-	    else _storage.setItem(k, v);
-	  } catch (e) {
-	    /* eslint-disable no-console */
-	    if (typeof console !== 'undefined') {
-	      console.error('localStorage quota exceeded');
-	    }
-	    /* eslint-enable no-console */
-	  }
-
-	}
-
-	function responseText(response) {
-	  if (!response.ok) throw new Error(response.status + " " + response.statusText);
-	  return response.text();
-	}
-
-	function d3_text(input, init) {
-	  return fetch(input, init).then(responseText);
-	}
-
-	function responseJson(response) {
-	  if (!response.ok) throw new Error(response.status + " " + response.statusText);
-	  if (response.status === 204 || response.status === 205) return;
-	  return response.json();
-	}
-
-	function d3_json(input, init) {
-	  return fetch(input, init).then(responseJson);
-	}
-
-	function parser(type) {
-	  return function(input, init)  {
-	    return d3_text(input, init).then(function(text) {
-	      return (new DOMParser).parseFromString(text, type);
-	    });
-	  };
-	}
-
-	var d3_xml = parser("application/xml");
-
-	var svg = parser("image/svg+xml");
-
-	let _mainFileFetcher = coreFileFetcher(); // singleton
-
-	//
-	// coreFileFetcher asynchronously fetches data from JSON files
-	//
-	function coreFileFetcher() {
-	  let _this = {};
-	  let _inflight = {};
-	  let _fileMap = {
-	    'address_formats': 'data/address_formats.min.json',
-	    'deprecated': 'data/deprecated.min.json',
-	    'discarded': 'data/discarded.min.json',
-	    'imagery': 'data/imagery.min.json',
-	    'intro_graph': 'data/intro_graph.min.json',
-	    'keepRight': 'data/keepRight.min.json',
-	    'languages': 'data/languages.min.json',
-	    'locales': 'data/locales.min.json',
-	    'nsi_brands': 'https://cdn.jsdelivr.net/npm/name-suggestion-index@4/dist/brands.min.json',
-	    'nsi_filters': 'https://cdn.jsdelivr.net/npm/name-suggestion-index@4/dist/filters.min.json',
-	    'oci_features': 'https://cdn.jsdelivr.net/npm/osm-community-index@2/dist/features.min.json',
-	    'oci_resources': 'https://cdn.jsdelivr.net/npm/osm-community-index@2/dist/resources.min.json',
-	    'preset_categories': 'data/preset_categories.min.json',
-	    'preset_defaults': 'data/preset_defaults.min.json',
-	    'preset_fields': 'data/preset_fields.min.json',
-	    'preset_presets': 'data/preset_presets.min.json',
-	    'phone_formats': 'data/phone_formats.min.json',
-	    'qa_data': 'data/qa_data.min.json',
-	    'shortcuts': 'data/shortcuts.min.json',
-	    'territory_languages': 'data/territory_languages.min.json',
-	    'wmf_sitematrix': 'https://cdn.jsdelivr.net/npm/wmf-sitematrix@0.1/wikipedia.min.json'
-	  };
-
-	  let _cachedData = {};
-	  // expose the cache; useful for tests
-	  _this.cache = () => _cachedData;
-
-
-	  // Returns a Promise to fetch data
-	  // (resolved with the data if we have it already)
-	  _this.get = (which) => {
-	    if (_cachedData[which]) {
-	      return Promise.resolve(_cachedData[which]);
-	    }
-
-	    const file = _fileMap[which];
-	    const url = file && _this.asset(file);
-	    if (!url) {
-	      return Promise.reject(`Unknown data file for "${which}"`);
-	    }
-
-	    let prom = _inflight[url];
-	    if (!prom) {
-	      _inflight[url] = prom = d3_json(url)
-	        .then(result => {
-	          delete _inflight[url];
-	          if (!result) {
-	            throw new Error(`No data loaded for "${which}"`);
-	          }
-	          _cachedData[which] = result;
-	          return result;
-	        })
-	        .catch(err => {
-	          delete _inflight[url];
-	          throw err;
-	        });
-	    }
-
-	    return prom;
-	  };
-
-
-	  // Accessor for the file map
-	  _this.fileMap = function(val) {
-	    if (!arguments.length) return _fileMap;
-	    _fileMap = val;
-	    return _this;
-	  };
-
-	  let _assetPath = '';
-	  _this.assetPath = function(val) {
-	    if (!arguments.length) return _assetPath;
-	    _assetPath = val;
-	    return _this;
-	  };
-
-	  let _assetMap = {};
-	  _this.assetMap = function(val) {
-	    if (!arguments.length) return _assetMap;
-	    _assetMap = val;
-	    return _this;
-	  };
-
-	  _this.asset = (val) => {
-	    if (/^http(s)?:\/\//i.test(val)) return val;
-	    const filename = _assetPath + val;
-	    return _assetMap[filename] || filename;
-	  };
-
-	  return _this;
-	}
-
-	let _detected;
-
-	function utilDetect(refresh) {
-	  if (_detected && !refresh) return _detected;
-	  _detected = {};
-
-	  const ua = navigator.userAgent;
-	  let m = null;
-
-	  /* Browser */
-	  m = ua.match(/(edge)\/?\s*(\.?\d+(\.\d+)*)/i);   // Edge
-	  if (m !== null) {
-	    _detected.browser = m[1];
-	    _detected.version = m[2];
-	  }
-	  if (!_detected.browser) {
-	    m = ua.match(/Trident\/.*rv:([0-9]{1,}[\.0-9]{0,})/i);   // IE11
-	    if (m !== null) {
-	      _detected.browser = 'msie';
-	      _detected.version = m[1];
-	    }
-	  }
-	  if (!_detected.browser) {
-	    m = ua.match(/(opr)\/?\s*(\.?\d+(\.\d+)*)/i);   // Opera 15+
-	    if (m !== null) {
-	      _detected.browser = 'Opera';
-	      _detected.version = m[2];
-	    }
-	  }
-	  if (!_detected.browser) {
-	    m = ua.match(/(opera|chrome|safari|firefox|msie)\/?\s*(\.?\d+(\.\d+)*)/i);
-	    if (m !== null) {
-	      _detected.browser = m[1];
-	      _detected.version = m[2];
-	      m = ua.match(/version\/([\.\d]+)/i);
-	      if (m !== null) _detected.version = m[1];
-	    }
-	  }
-	  if (!_detected.browser) {
-	    _detected.browser = navigator.appName;
-	    _detected.version = navigator.appVersion;
-	  }
-
-	  // keep major.minor version only..
-	  _detected.version = _detected.version.split(/\W/).slice(0,2).join('.');
-
-	  // detect other browser capabilities
-	  // Legacy Opera has incomplete svg style support. See #715
-	  _detected.opera = (_detected.browser.toLowerCase() === 'opera' && parseFloat(_detected.version) < 15 );
-
-	  if (_detected.browser.toLowerCase() === 'msie') {
-	    _detected.ie = true;
-	    _detected.browser = 'Internet Explorer';
-	    _detected.support = parseFloat(_detected.version) >= 11;
-	  } else {
-	    _detected.ie = false;
-	    _detected.support = true;
-	  }
-
-	  _detected.filedrop = (window.FileReader && 'ondrop' in window);
-	  _detected.download = !(_detected.ie || _detected.browser.toLowerCase() === 'edge');
-	  _detected.cssfilters = !(_detected.ie || _detected.browser.toLowerCase() === 'edge');
-
-
-	  /* Platform */
-	  if (/Win/.test(ua)) {
-	    _detected.os = 'win';
-	    _detected.platform = 'Windows';
-	  } else if (/Mac/.test(ua)) {
-	    _detected.os = 'mac';
-	    _detected.platform = 'Macintosh';
-	  } else if (/X11/.test(ua) || /Linux/.test(ua)) {
-	    _detected.os = 'linux';
-	    _detected.platform = 'Linux';
-	  } else {
-	    _detected.os = 'win';
-	    _detected.platform = 'Unknown';
-	  }
-
-	  _detected.isMobileWebKit = (/\b(iPad|iPhone|iPod)\b/.test(ua) ||
-	    // HACK: iPadOS 13+ requests desktop sites by default by using a Mac user agent,
-	    // so assume any "mac" with multitouch is actually iOS
-	    (navigator.platform === 'MacIntel' && 'maxTouchPoints' in navigator && navigator.maxTouchPoints > 1)) &&
-	    /WebKit/.test(ua) &&
-	    !/Edge/.test(ua) &&
-	    !window.MSStream;
-
-
-	  /* Locale */
-	  // An array of locales requested by the browser in priority order.
-	  _detected.browserLocales = Array.from(new Set( // remove duplicates
-	      [navigator.language]
-	        .concat(navigator.languages || [])
-	        .concat([
-	            // old property for backwards compatibility
-	            navigator.userLanguage,
-	            // fallback to English
-	            'en'
-	        ])
-	        // remove any undefined values
-	        .filter(Boolean)
-	    ));
-
-
-	  /* Host */
-	  const loc = window.top.location;
-	  let origin = loc.origin;
-	  if (!origin) {  // for unpatched IE11
-	    origin = loc.protocol + '//' + loc.hostname + (loc.port ? ':' + loc.port: '');
-	  }
-
-	  _detected.host = origin + loc.pathname;
-
-
-	  return _detected;
-	}
-
-	var aesJs = createCommonjsModule(function (module, exports) {
-	/*! MIT License. Copyright 2015-2018 Richard Moore <me@ricmoo.com>. See LICENSE.txt. */
-	(function(root) {
-
-	    function checkInt(value) {
-	        return (parseInt(value) === value);
-	    }
-
-	    function checkInts(arrayish) {
-	        if (!checkInt(arrayish.length)) { return false; }
-
-	        for (var i = 0; i < arrayish.length; i++) {
-	            if (!checkInt(arrayish[i]) || arrayish[i] < 0 || arrayish[i] > 255) {
-	                return false;
-	            }
-	        }
-
-	        return true;
-	    }
-
-	    function coerceArray(arg, copy) {
-
-	        // ArrayBuffer view
-	        if (arg.buffer && arg.name === 'Uint8Array') {
-
-	            if (copy) {
-	                if (arg.slice) {
-	                    arg = arg.slice();
-	                } else {
-	                    arg = Array.prototype.slice.call(arg);
-	                }
-	            }
-
-	            return arg;
-	        }
-
-	        // It's an array; check it is a valid representation of a byte
-	        if (Array.isArray(arg)) {
-	            if (!checkInts(arg)) {
-	                throw new Error('Array contains invalid value: ' + arg);
-	            }
-
-	            return new Uint8Array(arg);
-	        }
-
-	        // Something else, but behaves like an array (maybe a Buffer? Arguments?)
-	        if (checkInt(arg.length) && checkInts(arg)) {
-	            return new Uint8Array(arg);
-	        }
-
-	        throw new Error('unsupported array-like object');
-	    }
-
-	    function createArray(length) {
-	        return new Uint8Array(length);
-	    }
-
-	    function copyArray(sourceArray, targetArray, targetStart, sourceStart, sourceEnd) {
-	        if (sourceStart != null || sourceEnd != null) {
-	            if (sourceArray.slice) {
-	                sourceArray = sourceArray.slice(sourceStart, sourceEnd);
-	            } else {
-	                sourceArray = Array.prototype.slice.call(sourceArray, sourceStart, sourceEnd);
-	            }
-	        }
-	        targetArray.set(sourceArray, targetStart);
-	    }
-
-
-
-	    var convertUtf8 = (function() {
-	        function toBytes(text) {
-	            var result = [], i = 0;
-	            text = encodeURI(text);
-	            while (i < text.length) {
-	                var c = text.charCodeAt(i++);
-
-	                // if it is a % sign, encode the following 2 bytes as a hex value
-	                if (c === 37) {
-	                    result.push(parseInt(text.substr(i, 2), 16));
-	                    i += 2;
-
-	                // otherwise, just the actual byte
-	                } else {
-	                    result.push(c);
-	                }
-	            }
-
-	            return coerceArray(result);
-	        }
-
-	        function fromBytes(bytes) {
-	            var result = [], i = 0;
-
-	            while (i < bytes.length) {
-	                var c = bytes[i];
-
-	                if (c < 128) {
-	                    result.push(String.fromCharCode(c));
-	                    i++;
-	                } else if (c > 191 && c < 224) {
-	                    result.push(String.fromCharCode(((c & 0x1f) << 6) | (bytes[i + 1] & 0x3f)));
-	                    i += 2;
-	                } else {
-	                    result.push(String.fromCharCode(((c & 0x0f) << 12) | ((bytes[i + 1] & 0x3f) << 6) | (bytes[i + 2] & 0x3f)));
-	                    i += 3;
-	                }
-	            }
-
-	            return result.join('');
-	        }
-
-	        return {
-	            toBytes: toBytes,
-	            fromBytes: fromBytes,
-	        }
-	    })();
-
-	    var convertHex = (function() {
-	        function toBytes(text) {
-	            var result = [];
-	            for (var i = 0; i < text.length; i += 2) {
-	                result.push(parseInt(text.substr(i, 2), 16));
-	            }
-
-	            return result;
-	        }
-
-	        // http://ixti.net/development/javascript/2011/11/11/base64-encodedecode-of-utf8-in-browser-with-js.html
-	        var Hex = '0123456789abcdef';
-
-	        function fromBytes(bytes) {
-	                var result = [];
-	                for (var i = 0; i < bytes.length; i++) {
-	                    var v = bytes[i];
-	                    result.push(Hex[(v & 0xf0) >> 4] + Hex[v & 0x0f]);
-	                }
-	                return result.join('');
-	        }
-
-	        return {
-	            toBytes: toBytes,
-	            fromBytes: fromBytes,
-	        }
-	    })();
-
-
-	    // Number of rounds by keysize
-	    var numberOfRounds = {16: 10, 24: 12, 32: 14};
-
-	    // Round constant words
-	    var rcon = [0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5, 0x91];
-
-	    // S-box and Inverse S-box (S is for Substitution)
-	    var S = [0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, 0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15, 0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75, 0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84, 0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf, 0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8, 0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2, 0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73, 0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb, 0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79, 0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08, 0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a, 0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e, 0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf, 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16];
-	    var Si =[0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e, 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25, 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92, 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84, 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06, 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b, 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73, 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e, 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b, 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4, 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f, 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef, 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61, 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d];
-
-	    // Transformations for encryption
-	    var T1 = [0xc66363a5, 0xf87c7c84, 0xee777799, 0xf67b7b8d, 0xfff2f20d, 0xd66b6bbd, 0xde6f6fb1, 0x91c5c554, 0x60303050, 0x02010103, 0xce6767a9, 0x562b2b7d, 0xe7fefe19, 0xb5d7d762, 0x4dababe6, 0xec76769a, 0x8fcaca45, 0x1f82829d, 0x89c9c940, 0xfa7d7d87, 0xeffafa15, 0xb25959eb, 0x8e4747c9, 0xfbf0f00b, 0x41adadec, 0xb3d4d467, 0x5fa2a2fd, 0x45afafea, 0x239c9cbf, 0x53a4a4f7, 0xe4727296, 0x9bc0c05b, 0x75b7b7c2, 0xe1fdfd1c, 0x3d9393ae, 0x4c26266a, 0x6c36365a, 0x7e3f3f41, 0xf5f7f702, 0x83cccc4f, 0x6834345c, 0x51a5a5f4, 0xd1e5e534, 0xf9f1f108, 0xe2717193, 0xabd8d873, 0x62313153, 0x2a15153f, 0x0804040c, 0x95c7c752, 0x46232365, 0x9dc3c35e, 0x30181828, 0x379696a1, 0x0a05050f, 0x2f9a9ab5, 0x0e070709, 0x24121236, 0x1b80809b, 0xdfe2e23d, 0xcdebeb26, 0x4e272769, 0x7fb2b2cd, 0xea75759f, 0x1209091b, 0x1d83839e, 0x582c2c74, 0x341a1a2e, 0x361b1b2d, 0xdc6e6eb2, 0xb45a5aee, 0x5ba0a0fb, 0xa45252f6, 0x763b3b4d, 0xb7d6d661, 0x7db3b3ce, 0x5229297b, 0xdde3e33e, 0x5e2f2f71, 0x13848497, 0xa65353f5, 0xb9d1d168, 0x00000000, 0xc1eded2c, 0x40202060, 0xe3fcfc1f, 0x79b1b1c8, 0xb65b5bed, 0xd46a6abe, 0x8dcbcb46, 0x67bebed9, 0x7239394b, 0x944a4ade, 0x984c4cd4, 0xb05858e8, 0x85cfcf4a, 0xbbd0d06b, 0xc5efef2a, 0x4faaaae5, 0xedfbfb16, 0x864343c5, 0x9a4d4dd7, 0x66333355, 0x11858594, 0x8a4545cf, 0xe9f9f910, 0x04020206, 0xfe7f7f81, 0xa05050f0, 0x783c3c44, 0x259f9fba, 0x4ba8a8e3, 0xa25151f3, 0x5da3a3fe, 0x804040c0, 0x058f8f8a, 0x3f9292ad, 0x219d9dbc, 0x70383848, 0xf1f5f504, 0x63bcbcdf, 0x77b6b6c1, 0xafdada75, 0x42212163, 0x20101030, 0xe5ffff1a, 0xfdf3f30e, 0xbfd2d26d, 0x81cdcd4c, 0x180c0c14, 0x26131335, 0xc3ecec2f, 0xbe5f5fe1, 0x359797a2, 0x884444cc, 0x2e171739, 0x93c4c457, 0x55a7a7f2, 0xfc7e7e82, 0x7a3d3d47, 0xc86464ac, 0xba5d5de7, 0x3219192b, 0xe6737395, 0xc06060a0, 0x19818198, 0x9e4f4fd1, 0xa3dcdc7f, 0x44222266, 0x542a2a7e, 0x3b9090ab, 0x0b888883, 0x8c4646ca, 0xc7eeee29, 0x6bb8b8d3, 0x2814143c, 0xa7dede79, 0xbc5e5ee2, 0x160b0b1d, 0xaddbdb76, 0xdbe0e03b, 0x64323256, 0x743a3a4e, 0x140a0a1e, 0x924949db, 0x0c06060a, 0x4824246c, 0xb85c5ce4, 0x9fc2c25d, 0xbdd3d36e, 0x43acacef, 0xc46262a6, 0x399191a8, 0x319595a4, 0xd3e4e437, 0xf279798b, 0xd5e7e732, 0x8bc8c843, 0x6e373759, 0xda6d6db7, 0x018d8d8c, 0xb1d5d564, 0x9c4e4ed2, 0x49a9a9e0, 0xd86c6cb4, 0xac5656fa, 0xf3f4f407, 0xcfeaea25, 0xca6565af, 0xf47a7a8e, 0x47aeaee9, 0x10080818, 0x6fbabad5, 0xf0787888, 0x4a25256f, 0x5c2e2e72, 0x381c1c24, 0x57a6a6f1, 0x73b4b4c7, 0x97c6c651, 0xcbe8e823, 0xa1dddd7c, 0xe874749c, 0x3e1f1f21, 0x964b4bdd, 0x61bdbddc, 0x0d8b8b86, 0x0f8a8a85, 0xe0707090, 0x7c3e3e42, 0x71b5b5c4, 0xcc6666aa, 0x904848d8, 0x06030305, 0xf7f6f601, 0x1c0e0e12, 0xc26161a3, 0x6a35355f, 0xae5757f9, 0x69b9b9d0, 0x17868691, 0x99c1c158, 0x3a1d1d27, 0x279e9eb9, 0xd9e1e138, 0xebf8f813, 0x2b9898b3, 0x22111133, 0xd26969bb, 0xa9d9d970, 0x078e8e89, 0x339494a7, 0x2d9b9bb6, 0x3c1e1e22, 0x15878792, 0xc9e9e920, 0x87cece49, 0xaa5555ff, 0x50282878, 0xa5dfdf7a, 0x038c8c8f, 0x59a1a1f8, 0x09898980, 0x1a0d0d17, 0x65bfbfda, 0xd7e6e631, 0x844242c6, 0xd06868b8, 0x824141c3, 0x299999b0, 0x5a2d2d77, 0x1e0f0f11, 0x7bb0b0cb, 0xa85454fc, 0x6dbbbbd6, 0x2c16163a];
-	    var T2 = [0xa5c66363, 0x84f87c7c, 0x99ee7777, 0x8df67b7b, 0x0dfff2f2, 0xbdd66b6b, 0xb1de6f6f, 0x5491c5c5, 0x50603030, 0x03020101, 0xa9ce6767, 0x7d562b2b, 0x19e7fefe, 0x62b5d7d7, 0xe64dabab, 0x9aec7676, 0x458fcaca, 0x9d1f8282, 0x4089c9c9, 0x87fa7d7d, 0x15effafa, 0xebb25959, 0xc98e4747, 0x0bfbf0f0, 0xec41adad, 0x67b3d4d4, 0xfd5fa2a2, 0xea45afaf, 0xbf239c9c, 0xf753a4a4, 0x96e47272, 0x5b9bc0c0, 0xc275b7b7, 0x1ce1fdfd, 0xae3d9393, 0x6a4c2626, 0x5a6c3636, 0x417e3f3f, 0x02f5f7f7, 0x4f83cccc, 0x5c683434, 0xf451a5a5, 0x34d1e5e5, 0x08f9f1f1, 0x93e27171, 0x73abd8d8, 0x53623131, 0x3f2a1515, 0x0c080404, 0x5295c7c7, 0x65462323, 0x5e9dc3c3, 0x28301818, 0xa1379696, 0x0f0a0505, 0xb52f9a9a, 0x090e0707, 0x36241212, 0x9b1b8080, 0x3ddfe2e2, 0x26cdebeb, 0x694e2727, 0xcd7fb2b2, 0x9fea7575, 0x1b120909, 0x9e1d8383, 0x74582c2c, 0x2e341a1a, 0x2d361b1b, 0xb2dc6e6e, 0xeeb45a5a, 0xfb5ba0a0, 0xf6a45252, 0x4d763b3b, 0x61b7d6d6, 0xce7db3b3, 0x7b522929, 0x3edde3e3, 0x715e2f2f, 0x97138484, 0xf5a65353, 0x68b9d1d1, 0x00000000, 0x2cc1eded, 0x60402020, 0x1fe3fcfc, 0xc879b1b1, 0xedb65b5b, 0xbed46a6a, 0x468dcbcb, 0xd967bebe, 0x4b723939, 0xde944a4a, 0xd4984c4c, 0xe8b05858, 0x4a85cfcf, 0x6bbbd0d0, 0x2ac5efef, 0xe54faaaa, 0x16edfbfb, 0xc5864343, 0xd79a4d4d, 0x55663333, 0x94118585, 0xcf8a4545, 0x10e9f9f9, 0x06040202, 0x81fe7f7f, 0xf0a05050, 0x44783c3c, 0xba259f9f, 0xe34ba8a8, 0xf3a25151, 0xfe5da3a3, 0xc0804040, 0x8a058f8f, 0xad3f9292, 0xbc219d9d, 0x48703838, 0x04f1f5f5, 0xdf63bcbc, 0xc177b6b6, 0x75afdada, 0x63422121, 0x30201010, 0x1ae5ffff, 0x0efdf3f3, 0x6dbfd2d2, 0x4c81cdcd, 0x14180c0c, 0x35261313, 0x2fc3ecec, 0xe1be5f5f, 0xa2359797, 0xcc884444, 0x392e1717, 0x5793c4c4, 0xf255a7a7, 0x82fc7e7e, 0x477a3d3d, 0xacc86464, 0xe7ba5d5d, 0x2b321919, 0x95e67373, 0xa0c06060, 0x98198181, 0xd19e4f4f, 0x7fa3dcdc, 0x66442222, 0x7e542a2a, 0xab3b9090, 0x830b8888, 0xca8c4646, 0x29c7eeee, 0xd36bb8b8, 0x3c281414, 0x79a7dede, 0xe2bc5e5e, 0x1d160b0b, 0x76addbdb, 0x3bdbe0e0, 0x56643232, 0x4e743a3a, 0x1e140a0a, 0xdb924949, 0x0a0c0606, 0x6c482424, 0xe4b85c5c, 0x5d9fc2c2, 0x6ebdd3d3, 0xef43acac, 0xa6c46262, 0xa8399191, 0xa4319595, 0x37d3e4e4, 0x8bf27979, 0x32d5e7e7, 0x438bc8c8, 0x596e3737, 0xb7da6d6d, 0x8c018d8d, 0x64b1d5d5, 0xd29c4e4e, 0xe049a9a9, 0xb4d86c6c, 0xfaac5656, 0x07f3f4f4, 0x25cfeaea, 0xafca6565, 0x8ef47a7a, 0xe947aeae, 0x18100808, 0xd56fbaba, 0x88f07878, 0x6f4a2525, 0x725c2e2e, 0x24381c1c, 0xf157a6a6, 0xc773b4b4, 0x5197c6c6, 0x23cbe8e8, 0x7ca1dddd, 0x9ce87474, 0x213e1f1f, 0xdd964b4b, 0xdc61bdbd, 0x860d8b8b, 0x850f8a8a, 0x90e07070, 0x427c3e3e, 0xc471b5b5, 0xaacc6666, 0xd8904848, 0x05060303, 0x01f7f6f6, 0x121c0e0e, 0xa3c26161, 0x5f6a3535, 0xf9ae5757, 0xd069b9b9, 0x91178686, 0x5899c1c1, 0x273a1d1d, 0xb9279e9e, 0x38d9e1e1, 0x13ebf8f8, 0xb32b9898, 0x33221111, 0xbbd26969, 0x70a9d9d9, 0x89078e8e, 0xa7339494, 0xb62d9b9b, 0x223c1e1e, 0x92158787, 0x20c9e9e9, 0x4987cece, 0xffaa5555, 0x78502828, 0x7aa5dfdf, 0x8f038c8c, 0xf859a1a1, 0x80098989, 0x171a0d0d, 0xda65bfbf, 0x31d7e6e6, 0xc6844242, 0xb8d06868, 0xc3824141, 0xb0299999, 0x775a2d2d, 0x111e0f0f, 0xcb7bb0b0, 0xfca85454, 0xd66dbbbb, 0x3a2c1616];
-	    var T3 = [0x63a5c663, 0x7c84f87c, 0x7799ee77, 0x7b8df67b, 0xf20dfff2, 0x6bbdd66b, 0x6fb1de6f, 0xc55491c5, 0x30506030, 0x01030201, 0x67a9ce67, 0x2b7d562b, 0xfe19e7fe, 0xd762b5d7, 0xabe64dab, 0x769aec76, 0xca458fca, 0x829d1f82, 0xc94089c9, 0x7d87fa7d, 0xfa15effa, 0x59ebb259, 0x47c98e47, 0xf00bfbf0, 0xadec41ad, 0xd467b3d4, 0xa2fd5fa2, 0xafea45af, 0x9cbf239c, 0xa4f753a4, 0x7296e472, 0xc05b9bc0, 0xb7c275b7, 0xfd1ce1fd, 0x93ae3d93, 0x266a4c26, 0x365a6c36, 0x3f417e3f, 0xf702f5f7, 0xcc4f83cc, 0x345c6834, 0xa5f451a5, 0xe534d1e5, 0xf108f9f1, 0x7193e271, 0xd873abd8, 0x31536231, 0x153f2a15, 0x040c0804, 0xc75295c7, 0x23654623, 0xc35e9dc3, 0x18283018, 0x96a13796, 0x050f0a05, 0x9ab52f9a, 0x07090e07, 0x12362412, 0x809b1b80, 0xe23ddfe2, 0xeb26cdeb, 0x27694e27, 0xb2cd7fb2, 0x759fea75, 0x091b1209, 0x839e1d83, 0x2c74582c, 0x1a2e341a, 0x1b2d361b, 0x6eb2dc6e, 0x5aeeb45a, 0xa0fb5ba0, 0x52f6a452, 0x3b4d763b, 0xd661b7d6, 0xb3ce7db3, 0x297b5229, 0xe33edde3, 0x2f715e2f, 0x84971384, 0x53f5a653, 0xd168b9d1, 0x00000000, 0xed2cc1ed, 0x20604020, 0xfc1fe3fc, 0xb1c879b1, 0x5bedb65b, 0x6abed46a, 0xcb468dcb, 0xbed967be, 0x394b7239, 0x4ade944a, 0x4cd4984c, 0x58e8b058, 0xcf4a85cf, 0xd06bbbd0, 0xef2ac5ef, 0xaae54faa, 0xfb16edfb, 0x43c58643, 0x4dd79a4d, 0x33556633, 0x85941185, 0x45cf8a45, 0xf910e9f9, 0x02060402, 0x7f81fe7f, 0x50f0a050, 0x3c44783c, 0x9fba259f, 0xa8e34ba8, 0x51f3a251, 0xa3fe5da3, 0x40c08040, 0x8f8a058f, 0x92ad3f92, 0x9dbc219d, 0x38487038, 0xf504f1f5, 0xbcdf63bc, 0xb6c177b6, 0xda75afda, 0x21634221, 0x10302010, 0xff1ae5ff, 0xf30efdf3, 0xd26dbfd2, 0xcd4c81cd, 0x0c14180c, 0x13352613, 0xec2fc3ec, 0x5fe1be5f, 0x97a23597, 0x44cc8844, 0x17392e17, 0xc45793c4, 0xa7f255a7, 0x7e82fc7e, 0x3d477a3d, 0x64acc864, 0x5de7ba5d, 0x192b3219, 0x7395e673, 0x60a0c060, 0x81981981, 0x4fd19e4f, 0xdc7fa3dc, 0x22664422, 0x2a7e542a, 0x90ab3b90, 0x88830b88, 0x46ca8c46, 0xee29c7ee, 0xb8d36bb8, 0x143c2814, 0xde79a7de, 0x5ee2bc5e, 0x0b1d160b, 0xdb76addb, 0xe03bdbe0, 0x32566432, 0x3a4e743a, 0x0a1e140a, 0x49db9249, 0x060a0c06, 0x246c4824, 0x5ce4b85c, 0xc25d9fc2, 0xd36ebdd3, 0xacef43ac, 0x62a6c462, 0x91a83991, 0x95a43195, 0xe437d3e4, 0x798bf279, 0xe732d5e7, 0xc8438bc8, 0x37596e37, 0x6db7da6d, 0x8d8c018d, 0xd564b1d5, 0x4ed29c4e, 0xa9e049a9, 0x6cb4d86c, 0x56faac56, 0xf407f3f4, 0xea25cfea, 0x65afca65, 0x7a8ef47a, 0xaee947ae, 0x08181008, 0xbad56fba, 0x7888f078, 0x256f4a25, 0x2e725c2e, 0x1c24381c, 0xa6f157a6, 0xb4c773b4, 0xc65197c6, 0xe823cbe8, 0xdd7ca1dd, 0x749ce874, 0x1f213e1f, 0x4bdd964b, 0xbddc61bd, 0x8b860d8b, 0x8a850f8a, 0x7090e070, 0x3e427c3e, 0xb5c471b5, 0x66aacc66, 0x48d89048, 0x03050603, 0xf601f7f6, 0x0e121c0e, 0x61a3c261, 0x355f6a35, 0x57f9ae57, 0xb9d069b9, 0x86911786, 0xc15899c1, 0x1d273a1d, 0x9eb9279e, 0xe138d9e1, 0xf813ebf8, 0x98b32b98, 0x11332211, 0x69bbd269, 0xd970a9d9, 0x8e89078e, 0x94a73394, 0x9bb62d9b, 0x1e223c1e, 0x87921587, 0xe920c9e9, 0xce4987ce, 0x55ffaa55, 0x28785028, 0xdf7aa5df, 0x8c8f038c, 0xa1f859a1, 0x89800989, 0x0d171a0d, 0xbfda65bf, 0xe631d7e6, 0x42c68442, 0x68b8d068, 0x41c38241, 0x99b02999, 0x2d775a2d, 0x0f111e0f, 0xb0cb7bb0, 0x54fca854, 0xbbd66dbb, 0x163a2c16];
-	    var T4 = [0x6363a5c6, 0x7c7c84f8, 0x777799ee, 0x7b7b8df6, 0xf2f20dff, 0x6b6bbdd6, 0x6f6fb1de, 0xc5c55491, 0x30305060, 0x01010302, 0x6767a9ce, 0x2b2b7d56, 0xfefe19e7, 0xd7d762b5, 0xababe64d, 0x76769aec, 0xcaca458f, 0x82829d1f, 0xc9c94089, 0x7d7d87fa, 0xfafa15ef, 0x5959ebb2, 0x4747c98e, 0xf0f00bfb, 0xadadec41, 0xd4d467b3, 0xa2a2fd5f, 0xafafea45, 0x9c9cbf23, 0xa4a4f753, 0x727296e4, 0xc0c05b9b, 0xb7b7c275, 0xfdfd1ce1, 0x9393ae3d, 0x26266a4c, 0x36365a6c, 0x3f3f417e, 0xf7f702f5, 0xcccc4f83, 0x34345c68, 0xa5a5f451, 0xe5e534d1, 0xf1f108f9, 0x717193e2, 0xd8d873ab, 0x31315362, 0x15153f2a, 0x04040c08, 0xc7c75295, 0x23236546, 0xc3c35e9d, 0x18182830, 0x9696a137, 0x05050f0a, 0x9a9ab52f, 0x0707090e, 0x12123624, 0x80809b1b, 0xe2e23ddf, 0xebeb26cd, 0x2727694e, 0xb2b2cd7f, 0x75759fea, 0x09091b12, 0x83839e1d, 0x2c2c7458, 0x1a1a2e34, 0x1b1b2d36, 0x6e6eb2dc, 0x5a5aeeb4, 0xa0a0fb5b, 0x5252f6a4, 0x3b3b4d76, 0xd6d661b7, 0xb3b3ce7d, 0x29297b52, 0xe3e33edd, 0x2f2f715e, 0x84849713, 0x5353f5a6, 0xd1d168b9, 0x00000000, 0xeded2cc1, 0x20206040, 0xfcfc1fe3, 0xb1b1c879, 0x5b5bedb6, 0x6a6abed4, 0xcbcb468d, 0xbebed967, 0x39394b72, 0x4a4ade94, 0x4c4cd498, 0x5858e8b0, 0xcfcf4a85, 0xd0d06bbb, 0xefef2ac5, 0xaaaae54f, 0xfbfb16ed, 0x4343c586, 0x4d4dd79a, 0x33335566, 0x85859411, 0x4545cf8a, 0xf9f910e9, 0x02020604, 0x7f7f81fe, 0x5050f0a0, 0x3c3c4478, 0x9f9fba25, 0xa8a8e34b, 0x5151f3a2, 0xa3a3fe5d, 0x4040c080, 0x8f8f8a05, 0x9292ad3f, 0x9d9dbc21, 0x38384870, 0xf5f504f1, 0xbcbcdf63, 0xb6b6c177, 0xdada75af, 0x21216342, 0x10103020, 0xffff1ae5, 0xf3f30efd, 0xd2d26dbf, 0xcdcd4c81, 0x0c0c1418, 0x13133526, 0xecec2fc3, 0x5f5fe1be, 0x9797a235, 0x4444cc88, 0x1717392e, 0xc4c45793, 0xa7a7f255, 0x7e7e82fc, 0x3d3d477a, 0x6464acc8, 0x5d5de7ba, 0x19192b32, 0x737395e6, 0x6060a0c0, 0x81819819, 0x4f4fd19e, 0xdcdc7fa3, 0x22226644, 0x2a2a7e54, 0x9090ab3b, 0x8888830b, 0x4646ca8c, 0xeeee29c7, 0xb8b8d36b, 0x14143c28, 0xdede79a7, 0x5e5ee2bc, 0x0b0b1d16, 0xdbdb76ad, 0xe0e03bdb, 0x32325664, 0x3a3a4e74, 0x0a0a1e14, 0x4949db92, 0x06060a0c, 0x24246c48, 0x5c5ce4b8, 0xc2c25d9f, 0xd3d36ebd, 0xacacef43, 0x6262a6c4, 0x9191a839, 0x9595a431, 0xe4e437d3, 0x79798bf2, 0xe7e732d5, 0xc8c8438b, 0x3737596e, 0x6d6db7da, 0x8d8d8c01, 0xd5d564b1, 0x4e4ed29c, 0xa9a9e049, 0x6c6cb4d8, 0x5656faac, 0xf4f407f3, 0xeaea25cf, 0x6565afca, 0x7a7a8ef4, 0xaeaee947, 0x08081810, 0xbabad56f, 0x787888f0, 0x25256f4a, 0x2e2e725c, 0x1c1c2438, 0xa6a6f157, 0xb4b4c773, 0xc6c65197, 0xe8e823cb, 0xdddd7ca1, 0x74749ce8, 0x1f1f213e, 0x4b4bdd96, 0xbdbddc61, 0x8b8b860d, 0x8a8a850f, 0x707090e0, 0x3e3e427c, 0xb5b5c471, 0x6666aacc, 0x4848d890, 0x03030506, 0xf6f601f7, 0x0e0e121c, 0x6161a3c2, 0x35355f6a, 0x5757f9ae, 0xb9b9d069, 0x86869117, 0xc1c15899, 0x1d1d273a, 0x9e9eb927, 0xe1e138d9, 0xf8f813eb, 0x9898b32b, 0x11113322, 0x6969bbd2, 0xd9d970a9, 0x8e8e8907, 0x9494a733, 0x9b9bb62d, 0x1e1e223c, 0x87879215, 0xe9e920c9, 0xcece4987, 0x5555ffaa, 0x28287850, 0xdfdf7aa5, 0x8c8c8f03, 0xa1a1f859, 0x89898009, 0x0d0d171a, 0xbfbfda65, 0xe6e631d7, 0x4242c684, 0x6868b8d0, 0x4141c382, 0x9999b029, 0x2d2d775a, 0x0f0f111e, 0xb0b0cb7b, 0x5454fca8, 0xbbbbd66d, 0x16163a2c];
-
-	    // Transformations for decryption
-	    var T5 = [0x51f4a750, 0x7e416553, 0x1a17a4c3, 0x3a275e96, 0x3bab6bcb, 0x1f9d45f1, 0xacfa58ab, 0x4be30393, 0x2030fa55, 0xad766df6, 0x88cc7691, 0xf5024c25, 0x4fe5d7fc, 0xc52acbd7, 0x26354480, 0xb562a38f, 0xdeb15a49, 0x25ba1b67, 0x45ea0e98, 0x5dfec0e1, 0xc32f7502, 0x814cf012, 0x8d4697a3, 0x6bd3f9c6, 0x038f5fe7, 0x15929c95, 0xbf6d7aeb, 0x955259da, 0xd4be832d, 0x587421d3, 0x49e06929, 0x8ec9c844, 0x75c2896a, 0xf48e7978, 0x99583e6b, 0x27b971dd, 0xbee14fb6, 0xf088ad17, 0xc920ac66, 0x7dce3ab4, 0x63df4a18, 0xe51a3182, 0x97513360, 0x62537f45, 0xb16477e0, 0xbb6bae84, 0xfe81a01c, 0xf9082b94, 0x70486858, 0x8f45fd19, 0x94de6c87, 0x527bf8b7, 0xab73d323, 0x724b02e2, 0xe31f8f57, 0x6655ab2a, 0xb2eb2807, 0x2fb5c203, 0x86c57b9a, 0xd33708a5, 0x302887f2, 0x23bfa5b2, 0x02036aba, 0xed16825c, 0x8acf1c2b, 0xa779b492, 0xf307f2f0, 0x4e69e2a1, 0x65daf4cd, 0x0605bed5, 0xd134621f, 0xc4a6fe8a, 0x342e539d, 0xa2f355a0, 0x058ae132, 0xa4f6eb75, 0x0b83ec39, 0x4060efaa, 0x5e719f06, 0xbd6e1051, 0x3e218af9, 0x96dd063d, 0xdd3e05ae, 0x4de6bd46, 0x91548db5, 0x71c45d05, 0x0406d46f, 0x605015ff, 0x1998fb24, 0xd6bde997, 0x894043cc, 0x67d99e77, 0xb0e842bd, 0x07898b88, 0xe7195b38, 0x79c8eedb, 0xa17c0a47, 0x7c420fe9, 0xf8841ec9, 0x00000000, 0x09808683, 0x322bed48, 0x1e1170ac, 0x6c5a724e, 0xfd0efffb, 0x0f853856, 0x3daed51e, 0x362d3927, 0x0a0fd964, 0x685ca621, 0x9b5b54d1, 0x24362e3a, 0x0c0a67b1, 0x9357e70f, 0xb4ee96d2, 0x1b9b919e, 0x80c0c54f, 0x61dc20a2, 0x5a774b69, 0x1c121a16, 0xe293ba0a, 0xc0a02ae5, 0x3c22e043, 0x121b171d, 0x0e090d0b, 0xf28bc7ad, 0x2db6a8b9, 0x141ea9c8, 0x57f11985, 0xaf75074c, 0xee99ddbb, 0xa37f60fd, 0xf701269f, 0x5c72f5bc, 0x44663bc5, 0x5bfb7e34, 0x8b432976, 0xcb23c6dc, 0xb6edfc68, 0xb8e4f163, 0xd731dcca, 0x42638510, 0x13972240, 0x84c61120, 0x854a247d, 0xd2bb3df8, 0xaef93211, 0xc729a16d, 0x1d9e2f4b, 0xdcb230f3, 0x0d8652ec, 0x77c1e3d0, 0x2bb3166c, 0xa970b999, 0x119448fa, 0x47e96422, 0xa8fc8cc4, 0xa0f03f1a, 0x567d2cd8, 0x223390ef, 0x87494ec7, 0xd938d1c1, 0x8ccaa2fe, 0x98d40b36, 0xa6f581cf, 0xa57ade28, 0xdab78e26, 0x3fadbfa4, 0x2c3a9de4, 0x5078920d, 0x6a5fcc9b, 0x547e4662, 0xf68d13c2, 0x90d8b8e8, 0x2e39f75e, 0x82c3aff5, 0x9f5d80be, 0x69d0937c, 0x6fd52da9, 0xcf2512b3, 0xc8ac993b, 0x10187da7, 0xe89c636e, 0xdb3bbb7b, 0xcd267809, 0x6e5918f4, 0xec9ab701, 0x834f9aa8, 0xe6956e65, 0xaaffe67e, 0x21bccf08, 0xef15e8e6, 0xbae79bd9, 0x4a6f36ce, 0xea9f09d4, 0x29b07cd6, 0x31a4b2af, 0x2a3f2331, 0xc6a59430, 0x35a266c0, 0x744ebc37, 0xfc82caa6, 0xe090d0b0, 0x33a7d815, 0xf104984a, 0x41ecdaf7, 0x7fcd500e, 0x1791f62f, 0x764dd68d, 0x43efb04d, 0xccaa4d54, 0xe49604df, 0x9ed1b5e3, 0x4c6a881b, 0xc12c1fb8, 0x4665517f, 0x9d5eea04, 0x018c355d, 0xfa877473, 0xfb0b412e, 0xb3671d5a, 0x92dbd252, 0xe9105633, 0x6dd64713, 0x9ad7618c, 0x37a10c7a, 0x59f8148e, 0xeb133c89, 0xcea927ee, 0xb761c935, 0xe11ce5ed, 0x7a47b13c, 0x9cd2df59, 0x55f2733f, 0x1814ce79, 0x73c737bf, 0x53f7cdea, 0x5ffdaa5b, 0xdf3d6f14, 0x7844db86, 0xcaaff381, 0xb968c43e, 0x3824342c, 0xc2a3405f, 0x161dc372, 0xbce2250c, 0x283c498b, 0xff0d9541, 0x39a80171, 0x080cb3de, 0xd8b4e49c, 0x6456c190, 0x7bcb8461, 0xd532b670, 0x486c5c74, 0xd0b85742];
-	    var T6 = [0x5051f4a7, 0x537e4165, 0xc31a17a4, 0x963a275e, 0xcb3bab6b, 0xf11f9d45, 0xabacfa58, 0x934be303, 0x552030fa, 0xf6ad766d, 0x9188cc76, 0x25f5024c, 0xfc4fe5d7, 0xd7c52acb, 0x80263544, 0x8fb562a3, 0x49deb15a, 0x6725ba1b, 0x9845ea0e, 0xe15dfec0, 0x02c32f75, 0x12814cf0, 0xa38d4697, 0xc66bd3f9, 0xe7038f5f, 0x9515929c, 0xebbf6d7a, 0xda955259, 0x2dd4be83, 0xd3587421, 0x2949e069, 0x448ec9c8, 0x6a75c289, 0x78f48e79, 0x6b99583e, 0xdd27b971, 0xb6bee14f, 0x17f088ad, 0x66c920ac, 0xb47dce3a, 0x1863df4a, 0x82e51a31, 0x60975133, 0x4562537f, 0xe0b16477, 0x84bb6bae, 0x1cfe81a0, 0x94f9082b, 0x58704868, 0x198f45fd, 0x8794de6c, 0xb7527bf8, 0x23ab73d3, 0xe2724b02, 0x57e31f8f, 0x2a6655ab, 0x07b2eb28, 0x032fb5c2, 0x9a86c57b, 0xa5d33708, 0xf2302887, 0xb223bfa5, 0xba02036a, 0x5ced1682, 0x2b8acf1c, 0x92a779b4, 0xf0f307f2, 0xa14e69e2, 0xcd65daf4, 0xd50605be, 0x1fd13462, 0x8ac4a6fe, 0x9d342e53, 0xa0a2f355, 0x32058ae1, 0x75a4f6eb, 0x390b83ec, 0xaa4060ef, 0x065e719f, 0x51bd6e10, 0xf93e218a, 0x3d96dd06, 0xaedd3e05, 0x464de6bd, 0xb591548d, 0x0571c45d, 0x6f0406d4, 0xff605015, 0x241998fb, 0x97d6bde9, 0xcc894043, 0x7767d99e, 0xbdb0e842, 0x8807898b, 0x38e7195b, 0xdb79c8ee, 0x47a17c0a, 0xe97c420f, 0xc9f8841e, 0x00000000, 0x83098086, 0x48322bed, 0xac1e1170, 0x4e6c5a72, 0xfbfd0eff, 0x560f8538, 0x1e3daed5, 0x27362d39, 0x640a0fd9, 0x21685ca6, 0xd19b5b54, 0x3a24362e, 0xb10c0a67, 0x0f9357e7, 0xd2b4ee96, 0x9e1b9b91, 0x4f80c0c5, 0xa261dc20, 0x695a774b, 0x161c121a, 0x0ae293ba, 0xe5c0a02a, 0x433c22e0, 0x1d121b17, 0x0b0e090d, 0xadf28bc7, 0xb92db6a8, 0xc8141ea9, 0x8557f119, 0x4caf7507, 0xbbee99dd, 0xfda37f60, 0x9ff70126, 0xbc5c72f5, 0xc544663b, 0x345bfb7e, 0x768b4329, 0xdccb23c6, 0x68b6edfc, 0x63b8e4f1, 0xcad731dc, 0x10426385, 0x40139722, 0x2084c611, 0x7d854a24, 0xf8d2bb3d, 0x11aef932, 0x6dc729a1, 0x4b1d9e2f, 0xf3dcb230, 0xec0d8652, 0xd077c1e3, 0x6c2bb316, 0x99a970b9, 0xfa119448, 0x2247e964, 0xc4a8fc8c, 0x1aa0f03f, 0xd8567d2c, 0xef223390, 0xc787494e, 0xc1d938d1, 0xfe8ccaa2, 0x3698d40b, 0xcfa6f581, 0x28a57ade, 0x26dab78e, 0xa43fadbf, 0xe42c3a9d, 0x0d507892, 0x9b6a5fcc, 0x62547e46, 0xc2f68d13, 0xe890d8b8, 0x5e2e39f7, 0xf582c3af, 0xbe9f5d80, 0x7c69d093, 0xa96fd52d, 0xb3cf2512, 0x3bc8ac99, 0xa710187d, 0x6ee89c63, 0x7bdb3bbb, 0x09cd2678, 0xf46e5918, 0x01ec9ab7, 0xa8834f9a, 0x65e6956e, 0x7eaaffe6, 0x0821bccf, 0xe6ef15e8, 0xd9bae79b, 0xce4a6f36, 0xd4ea9f09, 0xd629b07c, 0xaf31a4b2, 0x312a3f23, 0x30c6a594, 0xc035a266, 0x37744ebc, 0xa6fc82ca, 0xb0e090d0, 0x1533a7d8, 0x4af10498, 0xf741ecda, 0x0e7fcd50, 0x2f1791f6, 0x8d764dd6, 0x4d43efb0, 0x54ccaa4d, 0xdfe49604, 0xe39ed1b5, 0x1b4c6a88, 0xb8c12c1f, 0x7f466551, 0x049d5eea, 0x5d018c35, 0x73fa8774, 0x2efb0b41, 0x5ab3671d, 0x5292dbd2, 0x33e91056, 0x136dd647, 0x8c9ad761, 0x7a37a10c, 0x8e59f814, 0x89eb133c, 0xeecea927, 0x35b761c9, 0xede11ce5, 0x3c7a47b1, 0x599cd2df, 0x3f55f273, 0x791814ce, 0xbf73c737, 0xea53f7cd, 0x5b5ffdaa, 0x14df3d6f, 0x867844db, 0x81caaff3, 0x3eb968c4, 0x2c382434, 0x5fc2a340, 0x72161dc3, 0x0cbce225, 0x8b283c49, 0x41ff0d95, 0x7139a801, 0xde080cb3, 0x9cd8b4e4, 0x906456c1, 0x617bcb84, 0x70d532b6, 0x74486c5c, 0x42d0b857];
-	    var T7 = [0xa75051f4, 0x65537e41, 0xa4c31a17, 0x5e963a27, 0x6bcb3bab, 0x45f11f9d, 0x58abacfa, 0x03934be3, 0xfa552030, 0x6df6ad76, 0x769188cc, 0x4c25f502, 0xd7fc4fe5, 0xcbd7c52a, 0x44802635, 0xa38fb562, 0x5a49deb1, 0x1b6725ba, 0x0e9845ea, 0xc0e15dfe, 0x7502c32f, 0xf012814c, 0x97a38d46, 0xf9c66bd3, 0x5fe7038f, 0x9c951592, 0x7aebbf6d, 0x59da9552, 0x832dd4be, 0x21d35874, 0x692949e0, 0xc8448ec9, 0x896a75c2, 0x7978f48e, 0x3e6b9958, 0x71dd27b9, 0x4fb6bee1, 0xad17f088, 0xac66c920, 0x3ab47dce, 0x4a1863df, 0x3182e51a, 0x33609751, 0x7f456253, 0x77e0b164, 0xae84bb6b, 0xa01cfe81, 0x2b94f908, 0x68587048, 0xfd198f45, 0x6c8794de, 0xf8b7527b, 0xd323ab73, 0x02e2724b, 0x8f57e31f, 0xab2a6655, 0x2807b2eb, 0xc2032fb5, 0x7b9a86c5, 0x08a5d337, 0x87f23028, 0xa5b223bf, 0x6aba0203, 0x825ced16, 0x1c2b8acf, 0xb492a779, 0xf2f0f307, 0xe2a14e69, 0xf4cd65da, 0xbed50605, 0x621fd134, 0xfe8ac4a6, 0x539d342e, 0x55a0a2f3, 0xe132058a, 0xeb75a4f6, 0xec390b83, 0xefaa4060, 0x9f065e71, 0x1051bd6e, 0x8af93e21, 0x063d96dd, 0x05aedd3e, 0xbd464de6, 0x8db59154, 0x5d0571c4, 0xd46f0406, 0x15ff6050, 0xfb241998, 0xe997d6bd, 0x43cc8940, 0x9e7767d9, 0x42bdb0e8, 0x8b880789, 0x5b38e719, 0xeedb79c8, 0x0a47a17c, 0x0fe97c42, 0x1ec9f884, 0x00000000, 0x86830980, 0xed48322b, 0x70ac1e11, 0x724e6c5a, 0xfffbfd0e, 0x38560f85, 0xd51e3dae, 0x3927362d, 0xd9640a0f, 0xa621685c, 0x54d19b5b, 0x2e3a2436, 0x67b10c0a, 0xe70f9357, 0x96d2b4ee, 0x919e1b9b, 0xc54f80c0, 0x20a261dc, 0x4b695a77, 0x1a161c12, 0xba0ae293, 0x2ae5c0a0, 0xe0433c22, 0x171d121b, 0x0d0b0e09, 0xc7adf28b, 0xa8b92db6, 0xa9c8141e, 0x198557f1, 0x074caf75, 0xddbbee99, 0x60fda37f, 0x269ff701, 0xf5bc5c72, 0x3bc54466, 0x7e345bfb, 0x29768b43, 0xc6dccb23, 0xfc68b6ed, 0xf163b8e4, 0xdccad731, 0x85104263, 0x22401397, 0x112084c6, 0x247d854a, 0x3df8d2bb, 0x3211aef9, 0xa16dc729, 0x2f4b1d9e, 0x30f3dcb2, 0x52ec0d86, 0xe3d077c1, 0x166c2bb3, 0xb999a970, 0x48fa1194, 0x642247e9, 0x8cc4a8fc, 0x3f1aa0f0, 0x2cd8567d, 0x90ef2233, 0x4ec78749, 0xd1c1d938, 0xa2fe8cca, 0x0b3698d4, 0x81cfa6f5, 0xde28a57a, 0x8e26dab7, 0xbfa43fad, 0x9de42c3a, 0x920d5078, 0xcc9b6a5f, 0x4662547e, 0x13c2f68d, 0xb8e890d8, 0xf75e2e39, 0xaff582c3, 0x80be9f5d, 0x937c69d0, 0x2da96fd5, 0x12b3cf25, 0x993bc8ac, 0x7da71018, 0x636ee89c, 0xbb7bdb3b, 0x7809cd26, 0x18f46e59, 0xb701ec9a, 0x9aa8834f, 0x6e65e695, 0xe67eaaff, 0xcf0821bc, 0xe8e6ef15, 0x9bd9bae7, 0x36ce4a6f, 0x09d4ea9f, 0x7cd629b0, 0xb2af31a4, 0x23312a3f, 0x9430c6a5, 0x66c035a2, 0xbc37744e, 0xcaa6fc82, 0xd0b0e090, 0xd81533a7, 0x984af104, 0xdaf741ec, 0x500e7fcd, 0xf62f1791, 0xd68d764d, 0xb04d43ef, 0x4d54ccaa, 0x04dfe496, 0xb5e39ed1, 0x881b4c6a, 0x1fb8c12c, 0x517f4665, 0xea049d5e, 0x355d018c, 0x7473fa87, 0x412efb0b, 0x1d5ab367, 0xd25292db, 0x5633e910, 0x47136dd6, 0x618c9ad7, 0x0c7a37a1, 0x148e59f8, 0x3c89eb13, 0x27eecea9, 0xc935b761, 0xe5ede11c, 0xb13c7a47, 0xdf599cd2, 0x733f55f2, 0xce791814, 0x37bf73c7, 0xcdea53f7, 0xaa5b5ffd, 0x6f14df3d, 0xdb867844, 0xf381caaf, 0xc43eb968, 0x342c3824, 0x405fc2a3, 0xc372161d, 0x250cbce2, 0x498b283c, 0x9541ff0d, 0x017139a8, 0xb3de080c, 0xe49cd8b4, 0xc1906456, 0x84617bcb, 0xb670d532, 0x5c74486c, 0x5742d0b8];
-	    var T8 = [0xf4a75051, 0x4165537e, 0x17a4c31a, 0x275e963a, 0xab6bcb3b, 0x9d45f11f, 0xfa58abac, 0xe303934b, 0x30fa5520, 0x766df6ad, 0xcc769188, 0x024c25f5, 0xe5d7fc4f, 0x2acbd7c5, 0x35448026, 0x62a38fb5, 0xb15a49de, 0xba1b6725, 0xea0e9845, 0xfec0e15d, 0x2f7502c3, 0x4cf01281, 0x4697a38d, 0xd3f9c66b, 0x8f5fe703, 0x929c9515, 0x6d7aebbf, 0x5259da95, 0xbe832dd4, 0x7421d358, 0xe0692949, 0xc9c8448e, 0xc2896a75, 0x8e7978f4, 0x583e6b99, 0xb971dd27, 0xe14fb6be, 0x88ad17f0, 0x20ac66c9, 0xce3ab47d, 0xdf4a1863, 0x1a3182e5, 0x51336097, 0x537f4562, 0x6477e0b1, 0x6bae84bb, 0x81a01cfe, 0x082b94f9, 0x48685870, 0x45fd198f, 0xde6c8794, 0x7bf8b752, 0x73d323ab, 0x4b02e272, 0x1f8f57e3, 0x55ab2a66, 0xeb2807b2, 0xb5c2032f, 0xc57b9a86, 0x3708a5d3, 0x2887f230, 0xbfa5b223, 0x036aba02, 0x16825ced, 0xcf1c2b8a, 0x79b492a7, 0x07f2f0f3, 0x69e2a14e, 0xdaf4cd65, 0x05bed506, 0x34621fd1, 0xa6fe8ac4, 0x2e539d34, 0xf355a0a2, 0x8ae13205, 0xf6eb75a4, 0x83ec390b, 0x60efaa40, 0x719f065e, 0x6e1051bd, 0x218af93e, 0xdd063d96, 0x3e05aedd, 0xe6bd464d, 0x548db591, 0xc45d0571, 0x06d46f04, 0x5015ff60, 0x98fb2419, 0xbde997d6, 0x4043cc89, 0xd99e7767, 0xe842bdb0, 0x898b8807, 0x195b38e7, 0xc8eedb79, 0x7c0a47a1, 0x420fe97c, 0x841ec9f8, 0x00000000, 0x80868309, 0x2bed4832, 0x1170ac1e, 0x5a724e6c, 0x0efffbfd, 0x8538560f, 0xaed51e3d, 0x2d392736, 0x0fd9640a, 0x5ca62168, 0x5b54d19b, 0x362e3a24, 0x0a67b10c, 0x57e70f93, 0xee96d2b4, 0x9b919e1b, 0xc0c54f80, 0xdc20a261, 0x774b695a, 0x121a161c, 0x93ba0ae2, 0xa02ae5c0, 0x22e0433c, 0x1b171d12, 0x090d0b0e, 0x8bc7adf2, 0xb6a8b92d, 0x1ea9c814, 0xf1198557, 0x75074caf, 0x99ddbbee, 0x7f60fda3, 0x01269ff7, 0x72f5bc5c, 0x663bc544, 0xfb7e345b, 0x4329768b, 0x23c6dccb, 0xedfc68b6, 0xe4f163b8, 0x31dccad7, 0x63851042, 0x97224013, 0xc6112084, 0x4a247d85, 0xbb3df8d2, 0xf93211ae, 0x29a16dc7, 0x9e2f4b1d, 0xb230f3dc, 0x8652ec0d, 0xc1e3d077, 0xb3166c2b, 0x70b999a9, 0x9448fa11, 0xe9642247, 0xfc8cc4a8, 0xf03f1aa0, 0x7d2cd856, 0x3390ef22, 0x494ec787, 0x38d1c1d9, 0xcaa2fe8c, 0xd40b3698, 0xf581cfa6, 0x7ade28a5, 0xb78e26da, 0xadbfa43f, 0x3a9de42c, 0x78920d50, 0x5fcc9b6a, 0x7e466254, 0x8d13c2f6, 0xd8b8e890, 0x39f75e2e, 0xc3aff582, 0x5d80be9f, 0xd0937c69, 0xd52da96f, 0x2512b3cf, 0xac993bc8, 0x187da710, 0x9c636ee8, 0x3bbb7bdb, 0x267809cd, 0x5918f46e, 0x9ab701ec, 0x4f9aa883, 0x956e65e6, 0xffe67eaa, 0xbccf0821, 0x15e8e6ef, 0xe79bd9ba, 0x6f36ce4a, 0x9f09d4ea, 0xb07cd629, 0xa4b2af31, 0x3f23312a, 0xa59430c6, 0xa266c035, 0x4ebc3774, 0x82caa6fc, 0x90d0b0e0, 0xa7d81533, 0x04984af1, 0xecdaf741, 0xcd500e7f, 0x91f62f17, 0x4dd68d76, 0xefb04d43, 0xaa4d54cc, 0x9604dfe4, 0xd1b5e39e, 0x6a881b4c, 0x2c1fb8c1, 0x65517f46, 0x5eea049d, 0x8c355d01, 0x877473fa, 0x0b412efb, 0x671d5ab3, 0xdbd25292, 0x105633e9, 0xd647136d, 0xd7618c9a, 0xa10c7a37, 0xf8148e59, 0x133c89eb, 0xa927eece, 0x61c935b7, 0x1ce5ede1, 0x47b13c7a, 0xd2df599c, 0xf2733f55, 0x14ce7918, 0xc737bf73, 0xf7cdea53, 0xfdaa5b5f, 0x3d6f14df, 0x44db8678, 0xaff381ca, 0x68c43eb9, 0x24342c38, 0xa3405fc2, 0x1dc37216, 0xe2250cbc, 0x3c498b28, 0x0d9541ff, 0xa8017139, 0x0cb3de08, 0xb4e49cd8, 0x56c19064, 0xcb84617b, 0x32b670d5, 0x6c5c7448, 0xb85742d0];
-
-	    // Transformations for decryption key expansion
-	    var U1 = [0x00000000, 0x0e090d0b, 0x1c121a16, 0x121b171d, 0x3824342c, 0x362d3927, 0x24362e3a, 0x2a3f2331, 0x70486858, 0x7e416553, 0x6c5a724e, 0x62537f45, 0x486c5c74, 0x4665517f, 0x547e4662, 0x5a774b69, 0xe090d0b0, 0xee99ddbb, 0xfc82caa6, 0xf28bc7ad, 0xd8b4e49c, 0xd6bde997, 0xc4a6fe8a, 0xcaaff381, 0x90d8b8e8, 0x9ed1b5e3, 0x8ccaa2fe, 0x82c3aff5, 0xa8fc8cc4, 0xa6f581cf, 0xb4ee96d2, 0xbae79bd9, 0xdb3bbb7b, 0xd532b670, 0xc729a16d, 0xc920ac66, 0xe31f8f57, 0xed16825c, 0xff0d9541, 0xf104984a, 0xab73d323, 0xa57ade28, 0xb761c935, 0xb968c43e, 0x9357e70f, 0x9d5eea04, 0x8f45fd19, 0x814cf012, 0x3bab6bcb, 0x35a266c0, 0x27b971dd, 0x29b07cd6, 0x038f5fe7, 0x0d8652ec, 0x1f9d45f1, 0x119448fa, 0x4be30393, 0x45ea0e98, 0x57f11985, 0x59f8148e, 0x73c737bf, 0x7dce3ab4, 0x6fd52da9, 0x61dc20a2, 0xad766df6, 0xa37f60fd, 0xb16477e0, 0xbf6d7aeb, 0x955259da, 0x9b5b54d1, 0x894043cc, 0x87494ec7, 0xdd3e05ae, 0xd33708a5, 0xc12c1fb8, 0xcf2512b3, 0xe51a3182, 0xeb133c89, 0xf9082b94, 0xf701269f, 0x4de6bd46, 0x43efb04d, 0x51f4a750, 0x5ffdaa5b, 0x75c2896a, 0x7bcb8461, 0x69d0937c, 0x67d99e77, 0x3daed51e, 0x33a7d815, 0x21bccf08, 0x2fb5c203, 0x058ae132, 0x0b83ec39, 0x1998fb24, 0x1791f62f, 0x764dd68d, 0x7844db86, 0x6a5fcc9b, 0x6456c190, 0x4e69e2a1, 0x4060efaa, 0x527bf8b7, 0x5c72f5bc, 0x0605bed5, 0x080cb3de, 0x1a17a4c3, 0x141ea9c8, 0x3e218af9, 0x302887f2, 0x223390ef, 0x2c3a9de4, 0x96dd063d, 0x98d40b36, 0x8acf1c2b, 0x84c61120, 0xaef93211, 0xa0f03f1a, 0xb2eb2807, 0xbce2250c, 0xe6956e65, 0xe89c636e, 0xfa877473, 0xf48e7978, 0xdeb15a49, 0xd0b85742, 0xc2a3405f, 0xccaa4d54, 0x41ecdaf7, 0x4fe5d7fc, 0x5dfec0e1, 0x53f7cdea, 0x79c8eedb, 0x77c1e3d0, 0x65daf4cd, 0x6bd3f9c6, 0x31a4b2af, 0x3fadbfa4, 0x2db6a8b9, 0x23bfa5b2, 0x09808683, 0x07898b88, 0x15929c95, 0x1b9b919e, 0xa17c0a47, 0xaf75074c, 0xbd6e1051, 0xb3671d5a, 0x99583e6b, 0x97513360, 0x854a247d, 0x8b432976, 0xd134621f, 0xdf3d6f14, 0xcd267809, 0xc32f7502, 0xe9105633, 0xe7195b38, 0xf5024c25, 0xfb0b412e, 0x9ad7618c, 0x94de6c87, 0x86c57b9a, 0x88cc7691, 0xa2f355a0, 0xacfa58ab, 0xbee14fb6, 0xb0e842bd, 0xea9f09d4, 0xe49604df, 0xf68d13c2, 0xf8841ec9, 0xd2bb3df8, 0xdcb230f3, 0xcea927ee, 0xc0a02ae5, 0x7a47b13c, 0x744ebc37, 0x6655ab2a, 0x685ca621, 0x42638510, 0x4c6a881b, 0x5e719f06, 0x5078920d, 0x0a0fd964, 0x0406d46f, 0x161dc372, 0x1814ce79, 0x322bed48, 0x3c22e043, 0x2e39f75e, 0x2030fa55, 0xec9ab701, 0xe293ba0a, 0xf088ad17, 0xfe81a01c, 0xd4be832d, 0xdab78e26, 0xc8ac993b, 0xc6a59430, 0x9cd2df59, 0x92dbd252, 0x80c0c54f, 0x8ec9c844, 0xa4f6eb75, 0xaaffe67e, 0xb8e4f163, 0xb6edfc68, 0x0c0a67b1, 0x02036aba, 0x10187da7, 0x1e1170ac, 0x342e539d, 0x3a275e96, 0x283c498b, 0x26354480, 0x7c420fe9, 0x724b02e2, 0x605015ff, 0x6e5918f4, 0x44663bc5, 0x4a6f36ce, 0x587421d3, 0x567d2cd8, 0x37a10c7a, 0x39a80171, 0x2bb3166c, 0x25ba1b67, 0x0f853856, 0x018c355d, 0x13972240, 0x1d9e2f4b, 0x47e96422, 0x49e06929, 0x5bfb7e34, 0x55f2733f, 0x7fcd500e, 0x71c45d05, 0x63df4a18, 0x6dd64713, 0xd731dcca, 0xd938d1c1, 0xcb23c6dc, 0xc52acbd7, 0xef15e8e6, 0xe11ce5ed, 0xf307f2f0, 0xfd0efffb, 0xa779b492, 0xa970b999, 0xbb6bae84, 0xb562a38f, 0x9f5d80be, 0x91548db5, 0x834f9aa8, 0x8d4697a3];
-	    var U2 = [0x00000000, 0x0b0e090d, 0x161c121a, 0x1d121b17, 0x2c382434, 0x27362d39, 0x3a24362e, 0x312a3f23, 0x58704868, 0x537e4165, 0x4e6c5a72, 0x4562537f, 0x74486c5c, 0x7f466551, 0x62547e46, 0x695a774b, 0xb0e090d0, 0xbbee99dd, 0xa6fc82ca, 0xadf28bc7, 0x9cd8b4e4, 0x97d6bde9, 0x8ac4a6fe, 0x81caaff3, 0xe890d8b8, 0xe39ed1b5, 0xfe8ccaa2, 0xf582c3af, 0xc4a8fc8c, 0xcfa6f581, 0xd2b4ee96, 0xd9bae79b, 0x7bdb3bbb, 0x70d532b6, 0x6dc729a1, 0x66c920ac, 0x57e31f8f, 0x5ced1682, 0x41ff0d95, 0x4af10498, 0x23ab73d3, 0x28a57ade, 0x35b761c9, 0x3eb968c4, 0x0f9357e7, 0x049d5eea, 0x198f45fd, 0x12814cf0, 0xcb3bab6b, 0xc035a266, 0xdd27b971, 0xd629b07c, 0xe7038f5f, 0xec0d8652, 0xf11f9d45, 0xfa119448, 0x934be303, 0x9845ea0e, 0x8557f119, 0x8e59f814, 0xbf73c737, 0xb47dce3a, 0xa96fd52d, 0xa261dc20, 0xf6ad766d, 0xfda37f60, 0xe0b16477, 0xebbf6d7a, 0xda955259, 0xd19b5b54, 0xcc894043, 0xc787494e, 0xaedd3e05, 0xa5d33708, 0xb8c12c1f, 0xb3cf2512, 0x82e51a31, 0x89eb133c, 0x94f9082b, 0x9ff70126, 0x464de6bd, 0x4d43efb0, 0x5051f4a7, 0x5b5ffdaa, 0x6a75c289, 0x617bcb84, 0x7c69d093, 0x7767d99e, 0x1e3daed5, 0x1533a7d8, 0x0821bccf, 0x032fb5c2, 0x32058ae1, 0x390b83ec, 0x241998fb, 0x2f1791f6, 0x8d764dd6, 0x867844db, 0x9b6a5fcc, 0x906456c1, 0xa14e69e2, 0xaa4060ef, 0xb7527bf8, 0xbc5c72f5, 0xd50605be, 0xde080cb3, 0xc31a17a4, 0xc8141ea9, 0xf93e218a, 0xf2302887, 0xef223390, 0xe42c3a9d, 0x3d96dd06, 0x3698d40b, 0x2b8acf1c, 0x2084c611, 0x11aef932, 0x1aa0f03f, 0x07b2eb28, 0x0cbce225, 0x65e6956e, 0x6ee89c63, 0x73fa8774, 0x78f48e79, 0x49deb15a, 0x42d0b857, 0x5fc2a340, 0x54ccaa4d, 0xf741ecda, 0xfc4fe5d7, 0xe15dfec0, 0xea53f7cd, 0xdb79c8ee, 0xd077c1e3, 0xcd65daf4, 0xc66bd3f9, 0xaf31a4b2, 0xa43fadbf, 0xb92db6a8, 0xb223bfa5, 0x83098086, 0x8807898b, 0x9515929c, 0x9e1b9b91, 0x47a17c0a, 0x4caf7507, 0x51bd6e10, 0x5ab3671d, 0x6b99583e, 0x60975133, 0x7d854a24, 0x768b4329, 0x1fd13462, 0x14df3d6f, 0x09cd2678, 0x02c32f75, 0x33e91056, 0x38e7195b, 0x25f5024c, 0x2efb0b41, 0x8c9ad761, 0x8794de6c, 0x9a86c57b, 0x9188cc76, 0xa0a2f355, 0xabacfa58, 0xb6bee14f, 0xbdb0e842, 0xd4ea9f09, 0xdfe49604, 0xc2f68d13, 0xc9f8841e, 0xf8d2bb3d, 0xf3dcb230, 0xeecea927, 0xe5c0a02a, 0x3c7a47b1, 0x37744ebc, 0x2a6655ab, 0x21685ca6, 0x10426385, 0x1b4c6a88, 0x065e719f, 0x0d507892, 0x640a0fd9, 0x6f0406d4, 0x72161dc3, 0x791814ce, 0x48322bed, 0x433c22e0, 0x5e2e39f7, 0x552030fa, 0x01ec9ab7, 0x0ae293ba, 0x17f088ad, 0x1cfe81a0, 0x2dd4be83, 0x26dab78e, 0x3bc8ac99, 0x30c6a594, 0x599cd2df, 0x5292dbd2, 0x4f80c0c5, 0x448ec9c8, 0x75a4f6eb, 0x7eaaffe6, 0x63b8e4f1, 0x68b6edfc, 0xb10c0a67, 0xba02036a, 0xa710187d, 0xac1e1170, 0x9d342e53, 0x963a275e, 0x8b283c49, 0x80263544, 0xe97c420f, 0xe2724b02, 0xff605015, 0xf46e5918, 0xc544663b, 0xce4a6f36, 0xd3587421, 0xd8567d2c, 0x7a37a10c, 0x7139a801, 0x6c2bb316, 0x6725ba1b, 0x560f8538, 0x5d018c35, 0x40139722, 0x4b1d9e2f, 0x2247e964, 0x2949e069, 0x345bfb7e, 0x3f55f273, 0x0e7fcd50, 0x0571c45d, 0x1863df4a, 0x136dd647, 0xcad731dc, 0xc1d938d1, 0xdccb23c6, 0xd7c52acb, 0xe6ef15e8, 0xede11ce5, 0xf0f307f2, 0xfbfd0eff, 0x92a779b4, 0x99a970b9, 0x84bb6bae, 0x8fb562a3, 0xbe9f5d80, 0xb591548d, 0xa8834f9a, 0xa38d4697];
-	    var U3 = [0x00000000, 0x0d0b0e09, 0x1a161c12, 0x171d121b, 0x342c3824, 0x3927362d, 0x2e3a2436, 0x23312a3f, 0x68587048, 0x65537e41, 0x724e6c5a, 0x7f456253, 0x5c74486c, 0x517f4665, 0x4662547e, 0x4b695a77, 0xd0b0e090, 0xddbbee99, 0xcaa6fc82, 0xc7adf28b, 0xe49cd8b4, 0xe997d6bd, 0xfe8ac4a6, 0xf381caaf, 0xb8e890d8, 0xb5e39ed1, 0xa2fe8cca, 0xaff582c3, 0x8cc4a8fc, 0x81cfa6f5, 0x96d2b4ee, 0x9bd9bae7, 0xbb7bdb3b, 0xb670d532, 0xa16dc729, 0xac66c920, 0x8f57e31f, 0x825ced16, 0x9541ff0d, 0x984af104, 0xd323ab73, 0xde28a57a, 0xc935b761, 0xc43eb968, 0xe70f9357, 0xea049d5e, 0xfd198f45, 0xf012814c, 0x6bcb3bab, 0x66c035a2, 0x71dd27b9, 0x7cd629b0, 0x5fe7038f, 0x52ec0d86, 0x45f11f9d, 0x48fa1194, 0x03934be3, 0x0e9845ea, 0x198557f1, 0x148e59f8, 0x37bf73c7, 0x3ab47dce, 0x2da96fd5, 0x20a261dc, 0x6df6ad76, 0x60fda37f, 0x77e0b164, 0x7aebbf6d, 0x59da9552, 0x54d19b5b, 0x43cc8940, 0x4ec78749, 0x05aedd3e, 0x08a5d337, 0x1fb8c12c, 0x12b3cf25, 0x3182e51a, 0x3c89eb13, 0x2b94f908, 0x269ff701, 0xbd464de6, 0xb04d43ef, 0xa75051f4, 0xaa5b5ffd, 0x896a75c2, 0x84617bcb, 0x937c69d0, 0x9e7767d9, 0xd51e3dae, 0xd81533a7, 0xcf0821bc, 0xc2032fb5, 0xe132058a, 0xec390b83, 0xfb241998, 0xf62f1791, 0xd68d764d, 0xdb867844, 0xcc9b6a5f, 0xc1906456, 0xe2a14e69, 0xefaa4060, 0xf8b7527b, 0xf5bc5c72, 0xbed50605, 0xb3de080c, 0xa4c31a17, 0xa9c8141e, 0x8af93e21, 0x87f23028, 0x90ef2233, 0x9de42c3a, 0x063d96dd, 0x0b3698d4, 0x1c2b8acf, 0x112084c6, 0x3211aef9, 0x3f1aa0f0, 0x2807b2eb, 0x250cbce2, 0x6e65e695, 0x636ee89c, 0x7473fa87, 0x7978f48e, 0x5a49deb1, 0x5742d0b8, 0x405fc2a3, 0x4d54ccaa, 0xdaf741ec, 0xd7fc4fe5, 0xc0e15dfe, 0xcdea53f7, 0xeedb79c8, 0xe3d077c1, 0xf4cd65da, 0xf9c66bd3, 0xb2af31a4, 0xbfa43fad, 0xa8b92db6, 0xa5b223bf, 0x86830980, 0x8b880789, 0x9c951592, 0x919e1b9b, 0x0a47a17c, 0x074caf75, 0x1051bd6e, 0x1d5ab367, 0x3e6b9958, 0x33609751, 0x247d854a, 0x29768b43, 0x621fd134, 0x6f14df3d, 0x7809cd26, 0x7502c32f, 0x5633e910, 0x5b38e719, 0x4c25f502, 0x412efb0b, 0x618c9ad7, 0x6c8794de, 0x7b9a86c5, 0x769188cc, 0x55a0a2f3, 0x58abacfa, 0x4fb6bee1, 0x42bdb0e8, 0x09d4ea9f, 0x04dfe496, 0x13c2f68d, 0x1ec9f884, 0x3df8d2bb, 0x30f3dcb2, 0x27eecea9, 0x2ae5c0a0, 0xb13c7a47, 0xbc37744e, 0xab2a6655, 0xa621685c, 0x85104263, 0x881b4c6a, 0x9f065e71, 0x920d5078, 0xd9640a0f, 0xd46f0406, 0xc372161d, 0xce791814, 0xed48322b, 0xe0433c22, 0xf75e2e39, 0xfa552030, 0xb701ec9a, 0xba0ae293, 0xad17f088, 0xa01cfe81, 0x832dd4be, 0x8e26dab7, 0x993bc8ac, 0x9430c6a5, 0xdf599cd2, 0xd25292db, 0xc54f80c0, 0xc8448ec9, 0xeb75a4f6, 0xe67eaaff, 0xf163b8e4, 0xfc68b6ed, 0x67b10c0a, 0x6aba0203, 0x7da71018, 0x70ac1e11, 0x539d342e, 0x5e963a27, 0x498b283c, 0x44802635, 0x0fe97c42, 0x02e2724b, 0x15ff6050, 0x18f46e59, 0x3bc54466, 0x36ce4a6f, 0x21d35874, 0x2cd8567d, 0x0c7a37a1, 0x017139a8, 0x166c2bb3, 0x1b6725ba, 0x38560f85, 0x355d018c, 0x22401397, 0x2f4b1d9e, 0x642247e9, 0x692949e0, 0x7e345bfb, 0x733f55f2, 0x500e7fcd, 0x5d0571c4, 0x4a1863df, 0x47136dd6, 0xdccad731, 0xd1c1d938, 0xc6dccb23, 0xcbd7c52a, 0xe8e6ef15, 0xe5ede11c, 0xf2f0f307, 0xfffbfd0e, 0xb492a779, 0xb999a970, 0xae84bb6b, 0xa38fb562, 0x80be9f5d, 0x8db59154, 0x9aa8834f, 0x97a38d46];
-	    var U4 = [0x00000000, 0x090d0b0e, 0x121a161c, 0x1b171d12, 0x24342c38, 0x2d392736, 0x362e3a24, 0x3f23312a, 0x48685870, 0x4165537e, 0x5a724e6c, 0x537f4562, 0x6c5c7448, 0x65517f46, 0x7e466254, 0x774b695a, 0x90d0b0e0, 0x99ddbbee, 0x82caa6fc, 0x8bc7adf2, 0xb4e49cd8, 0xbde997d6, 0xa6fe8ac4, 0xaff381ca, 0xd8b8e890, 0xd1b5e39e, 0xcaa2fe8c, 0xc3aff582, 0xfc8cc4a8, 0xf581cfa6, 0xee96d2b4, 0xe79bd9ba, 0x3bbb7bdb, 0x32b670d5, 0x29a16dc7, 0x20ac66c9, 0x1f8f57e3, 0x16825ced, 0x0d9541ff, 0x04984af1, 0x73d323ab, 0x7ade28a5, 0x61c935b7, 0x68c43eb9, 0x57e70f93, 0x5eea049d, 0x45fd198f, 0x4cf01281, 0xab6bcb3b, 0xa266c035, 0xb971dd27, 0xb07cd629, 0x8f5fe703, 0x8652ec0d, 0x9d45f11f, 0x9448fa11, 0xe303934b, 0xea0e9845, 0xf1198557, 0xf8148e59, 0xc737bf73, 0xce3ab47d, 0xd52da96f, 0xdc20a261, 0x766df6ad, 0x7f60fda3, 0x6477e0b1, 0x6d7aebbf, 0x5259da95, 0x5b54d19b, 0x4043cc89, 0x494ec787, 0x3e05aedd, 0x3708a5d3, 0x2c1fb8c1, 0x2512b3cf, 0x1a3182e5, 0x133c89eb, 0x082b94f9, 0x01269ff7, 0xe6bd464d, 0xefb04d43, 0xf4a75051, 0xfdaa5b5f, 0xc2896a75, 0xcb84617b, 0xd0937c69, 0xd99e7767, 0xaed51e3d, 0xa7d81533, 0xbccf0821, 0xb5c2032f, 0x8ae13205, 0x83ec390b, 0x98fb2419, 0x91f62f17, 0x4dd68d76, 0x44db8678, 0x5fcc9b6a, 0x56c19064, 0x69e2a14e, 0x60efaa40, 0x7bf8b752, 0x72f5bc5c, 0x05bed506, 0x0cb3de08, 0x17a4c31a, 0x1ea9c814, 0x218af93e, 0x2887f230, 0x3390ef22, 0x3a9de42c, 0xdd063d96, 0xd40b3698, 0xcf1c2b8a, 0xc6112084, 0xf93211ae, 0xf03f1aa0, 0xeb2807b2, 0xe2250cbc, 0x956e65e6, 0x9c636ee8, 0x877473fa, 0x8e7978f4, 0xb15a49de, 0xb85742d0, 0xa3405fc2, 0xaa4d54cc, 0xecdaf741, 0xe5d7fc4f, 0xfec0e15d, 0xf7cdea53, 0xc8eedb79, 0xc1e3d077, 0xdaf4cd65, 0xd3f9c66b, 0xa4b2af31, 0xadbfa43f, 0xb6a8b92d, 0xbfa5b223, 0x80868309, 0x898b8807, 0x929c9515, 0x9b919e1b, 0x7c0a47a1, 0x75074caf, 0x6e1051bd, 0x671d5ab3, 0x583e6b99, 0x51336097, 0x4a247d85, 0x4329768b, 0x34621fd1, 0x3d6f14df, 0x267809cd, 0x2f7502c3, 0x105633e9, 0x195b38e7, 0x024c25f5, 0x0b412efb, 0xd7618c9a, 0xde6c8794, 0xc57b9a86, 0xcc769188, 0xf355a0a2, 0xfa58abac, 0xe14fb6be, 0xe842bdb0, 0x9f09d4ea, 0x9604dfe4, 0x8d13c2f6, 0x841ec9f8, 0xbb3df8d2, 0xb230f3dc, 0xa927eece, 0xa02ae5c0, 0x47b13c7a, 0x4ebc3774, 0x55ab2a66, 0x5ca62168, 0x63851042, 0x6a881b4c, 0x719f065e, 0x78920d50, 0x0fd9640a, 0x06d46f04, 0x1dc37216, 0x14ce7918, 0x2bed4832, 0x22e0433c, 0x39f75e2e, 0x30fa5520, 0x9ab701ec, 0x93ba0ae2, 0x88ad17f0, 0x81a01cfe, 0xbe832dd4, 0xb78e26da, 0xac993bc8, 0xa59430c6, 0xd2df599c, 0xdbd25292, 0xc0c54f80, 0xc9c8448e, 0xf6eb75a4, 0xffe67eaa, 0xe4f163b8, 0xedfc68b6, 0x0a67b10c, 0x036aba02, 0x187da710, 0x1170ac1e, 0x2e539d34, 0x275e963a, 0x3c498b28, 0x35448026, 0x420fe97c, 0x4b02e272, 0x5015ff60, 0x5918f46e, 0x663bc544, 0x6f36ce4a, 0x7421d358, 0x7d2cd856, 0xa10c7a37, 0xa8017139, 0xb3166c2b, 0xba1b6725, 0x8538560f, 0x8c355d01, 0x97224013, 0x9e2f4b1d, 0xe9642247, 0xe0692949, 0xfb7e345b, 0xf2733f55, 0xcd500e7f, 0xc45d0571, 0xdf4a1863, 0xd647136d, 0x31dccad7, 0x38d1c1d9, 0x23c6dccb, 0x2acbd7c5, 0x15e8e6ef, 0x1ce5ede1, 0x07f2f0f3, 0x0efffbfd, 0x79b492a7, 0x70b999a9, 0x6bae84bb, 0x62a38fb5, 0x5d80be9f, 0x548db591, 0x4f9aa883, 0x4697a38d];
-
-	    function convertToInt32(bytes) {
-	        var result = [];
-	        for (var i = 0; i < bytes.length; i += 4) {
-	            result.push(
-	                (bytes[i    ] << 24) |
-	                (bytes[i + 1] << 16) |
-	                (bytes[i + 2] <<  8) |
-	                 bytes[i + 3]
-	            );
-	        }
-	        return result;
-	    }
-
-	    var AES = function(key) {
-	        if (!(this instanceof AES)) {
-	            throw Error('AES must be instanitated with `new`');
-	        }
-
-	        Object.defineProperty(this, 'key', {
-	            value: coerceArray(key, true)
-	        });
-
-	        this._prepare();
-	    };
-
-
-	    AES.prototype._prepare = function() {
-
-	        var rounds = numberOfRounds[this.key.length];
-	        if (rounds == null) {
-	            throw new Error('invalid key size (must be 16, 24 or 32 bytes)');
-	        }
-
-	        // encryption round keys
-	        this._Ke = [];
-
-	        // decryption round keys
-	        this._Kd = [];
-
-	        for (var i = 0; i <= rounds; i++) {
-	            this._Ke.push([0, 0, 0, 0]);
-	            this._Kd.push([0, 0, 0, 0]);
-	        }
-
-	        var roundKeyCount = (rounds + 1) * 4;
-	        var KC = this.key.length / 4;
-
-	        // convert the key into ints
-	        var tk = convertToInt32(this.key);
-
-	        // copy values into round key arrays
-	        var index;
-	        for (var i = 0; i < KC; i++) {
-	            index = i >> 2;
-	            this._Ke[index][i % 4] = tk[i];
-	            this._Kd[rounds - index][i % 4] = tk[i];
-	        }
-
-	        // key expansion (fips-197 section 5.2)
-	        var rconpointer = 0;
-	        var t = KC, tt;
-	        while (t < roundKeyCount) {
-	            tt = tk[KC - 1];
-	            tk[0] ^= ((S[(tt >> 16) & 0xFF] << 24) ^
-	                      (S[(tt >>  8) & 0xFF] << 16) ^
-	                      (S[ tt        & 0xFF] <<  8) ^
-	                       S[(tt >> 24) & 0xFF]        ^
-	                      (rcon[rconpointer] << 24));
-	            rconpointer += 1;
-
-	            // key expansion (for non-256 bit)
-	            if (KC != 8) {
-	                for (var i = 1; i < KC; i++) {
-	                    tk[i] ^= tk[i - 1];
-	                }
-
-	            // key expansion for 256-bit keys is "slightly different" (fips-197)
-	            } else {
-	                for (var i = 1; i < (KC / 2); i++) {
-	                    tk[i] ^= tk[i - 1];
-	                }
-	                tt = tk[(KC / 2) - 1];
-
-	                tk[KC / 2] ^= (S[ tt        & 0xFF]        ^
-	                              (S[(tt >>  8) & 0xFF] <<  8) ^
-	                              (S[(tt >> 16) & 0xFF] << 16) ^
-	                              (S[(tt >> 24) & 0xFF] << 24));
-
-	                for (var i = (KC / 2) + 1; i < KC; i++) {
-	                    tk[i] ^= tk[i - 1];
-	                }
-	            }
-
-	            // copy values into round key arrays
-	            var i = 0, r, c;
-	            while (i < KC && t < roundKeyCount) {
-	                r = t >> 2;
-	                c = t % 4;
-	                this._Ke[r][c] = tk[i];
-	                this._Kd[rounds - r][c] = tk[i++];
-	                t++;
-	            }
-	        }
-
-	        // inverse-cipher-ify the decryption round key (fips-197 section 5.3)
-	        for (var r = 1; r < rounds; r++) {
-	            for (var c = 0; c < 4; c++) {
-	                tt = this._Kd[r][c];
-	                this._Kd[r][c] = (U1[(tt >> 24) & 0xFF] ^
-	                                  U2[(tt >> 16) & 0xFF] ^
-	                                  U3[(tt >>  8) & 0xFF] ^
-	                                  U4[ tt        & 0xFF]);
-	            }
-	        }
-	    };
-
-	    AES.prototype.encrypt = function(plaintext) {
-	        if (plaintext.length != 16) {
-	            throw new Error('invalid plaintext size (must be 16 bytes)');
-	        }
-
-	        var rounds = this._Ke.length - 1;
-	        var a = [0, 0, 0, 0];
-
-	        // convert plaintext to (ints ^ key)
-	        var t = convertToInt32(plaintext);
-	        for (var i = 0; i < 4; i++) {
-	            t[i] ^= this._Ke[0][i];
-	        }
-
-	        // apply round transforms
-	        for (var r = 1; r < rounds; r++) {
-	            for (var i = 0; i < 4; i++) {
-	                a[i] = (T1[(t[ i         ] >> 24) & 0xff] ^
-	                        T2[(t[(i + 1) % 4] >> 16) & 0xff] ^
-	                        T3[(t[(i + 2) % 4] >>  8) & 0xff] ^
-	                        T4[ t[(i + 3) % 4]        & 0xff] ^
-	                        this._Ke[r][i]);
-	            }
-	            t = a.slice();
-	        }
-
-	        // the last round is special
-	        var result = createArray(16), tt;
-	        for (var i = 0; i < 4; i++) {
-	            tt = this._Ke[rounds][i];
-	            result[4 * i    ] = (S[(t[ i         ] >> 24) & 0xff] ^ (tt >> 24)) & 0xff;
-	            result[4 * i + 1] = (S[(t[(i + 1) % 4] >> 16) & 0xff] ^ (tt >> 16)) & 0xff;
-	            result[4 * i + 2] = (S[(t[(i + 2) % 4] >>  8) & 0xff] ^ (tt >>  8)) & 0xff;
-	            result[4 * i + 3] = (S[ t[(i + 3) % 4]        & 0xff] ^  tt       ) & 0xff;
-	        }
-
-	        return result;
-	    };
-
-	    AES.prototype.decrypt = function(ciphertext) {
-	        if (ciphertext.length != 16) {
-	            throw new Error('invalid ciphertext size (must be 16 bytes)');
-	        }
-
-	        var rounds = this._Kd.length - 1;
-	        var a = [0, 0, 0, 0];
-
-	        // convert plaintext to (ints ^ key)
-	        var t = convertToInt32(ciphertext);
-	        for (var i = 0; i < 4; i++) {
-	            t[i] ^= this._Kd[0][i];
-	        }
-
-	        // apply round transforms
-	        for (var r = 1; r < rounds; r++) {
-	            for (var i = 0; i < 4; i++) {
-	                a[i] = (T5[(t[ i          ] >> 24) & 0xff] ^
-	                        T6[(t[(i + 3) % 4] >> 16) & 0xff] ^
-	                        T7[(t[(i + 2) % 4] >>  8) & 0xff] ^
-	                        T8[ t[(i + 1) % 4]        & 0xff] ^
-	                        this._Kd[r][i]);
-	            }
-	            t = a.slice();
-	        }
-
-	        // the last round is special
-	        var result = createArray(16), tt;
-	        for (var i = 0; i < 4; i++) {
-	            tt = this._Kd[rounds][i];
-	            result[4 * i    ] = (Si[(t[ i         ] >> 24) & 0xff] ^ (tt >> 24)) & 0xff;
-	            result[4 * i + 1] = (Si[(t[(i + 3) % 4] >> 16) & 0xff] ^ (tt >> 16)) & 0xff;
-	            result[4 * i + 2] = (Si[(t[(i + 2) % 4] >>  8) & 0xff] ^ (tt >>  8)) & 0xff;
-	            result[4 * i + 3] = (Si[ t[(i + 1) % 4]        & 0xff] ^  tt       ) & 0xff;
-	        }
-
-	        return result;
-	    };
-
-
-	    /**
-	     *  Mode Of Operation - Electonic Codebook (ECB)
-	     */
-	    var ModeOfOperationECB = function(key) {
-	        if (!(this instanceof ModeOfOperationECB)) {
-	            throw Error('AES must be instanitated with `new`');
-	        }
-
-	        this.description = "Electronic Code Block";
-	        this.name = "ecb";
-
-	        this._aes = new AES(key);
-	    };
-
-	    ModeOfOperationECB.prototype.encrypt = function(plaintext) {
-	        plaintext = coerceArray(plaintext);
-
-	        if ((plaintext.length % 16) !== 0) {
-	            throw new Error('invalid plaintext size (must be multiple of 16 bytes)');
-	        }
-
-	        var ciphertext = createArray(plaintext.length);
-	        var block = createArray(16);
-
-	        for (var i = 0; i < plaintext.length; i += 16) {
-	            copyArray(plaintext, block, 0, i, i + 16);
-	            block = this._aes.encrypt(block);
-	            copyArray(block, ciphertext, i);
-	        }
-
-	        return ciphertext;
-	    };
-
-	    ModeOfOperationECB.prototype.decrypt = function(ciphertext) {
-	        ciphertext = coerceArray(ciphertext);
-
-	        if ((ciphertext.length % 16) !== 0) {
-	            throw new Error('invalid ciphertext size (must be multiple of 16 bytes)');
-	        }
-
-	        var plaintext = createArray(ciphertext.length);
-	        var block = createArray(16);
-
-	        for (var i = 0; i < ciphertext.length; i += 16) {
-	            copyArray(ciphertext, block, 0, i, i + 16);
-	            block = this._aes.decrypt(block);
-	            copyArray(block, plaintext, i);
-	        }
-
-	        return plaintext;
-	    };
-
-
-	    /**
-	     *  Mode Of Operation - Cipher Block Chaining (CBC)
-	     */
-	    var ModeOfOperationCBC = function(key, iv) {
-	        if (!(this instanceof ModeOfOperationCBC)) {
-	            throw Error('AES must be instanitated with `new`');
-	        }
-
-	        this.description = "Cipher Block Chaining";
-	        this.name = "cbc";
-
-	        if (!iv) {
-	            iv = createArray(16);
-
-	        } else if (iv.length != 16) {
-	            throw new Error('invalid initialation vector size (must be 16 bytes)');
-	        }
-
-	        this._lastCipherblock = coerceArray(iv, true);
-
-	        this._aes = new AES(key);
-	    };
-
-	    ModeOfOperationCBC.prototype.encrypt = function(plaintext) {
-	        plaintext = coerceArray(plaintext);
-
-	        if ((plaintext.length % 16) !== 0) {
-	            throw new Error('invalid plaintext size (must be multiple of 16 bytes)');
-	        }
-
-	        var ciphertext = createArray(plaintext.length);
-	        var block = createArray(16);
-
-	        for (var i = 0; i < plaintext.length; i += 16) {
-	            copyArray(plaintext, block, 0, i, i + 16);
-
-	            for (var j = 0; j < 16; j++) {
-	                block[j] ^= this._lastCipherblock[j];
-	            }
-
-	            this._lastCipherblock = this._aes.encrypt(block);
-	            copyArray(this._lastCipherblock, ciphertext, i);
-	        }
-
-	        return ciphertext;
-	    };
-
-	    ModeOfOperationCBC.prototype.decrypt = function(ciphertext) {
-	        ciphertext = coerceArray(ciphertext);
-
-	        if ((ciphertext.length % 16) !== 0) {
-	            throw new Error('invalid ciphertext size (must be multiple of 16 bytes)');
-	        }
-
-	        var plaintext = createArray(ciphertext.length);
-	        var block = createArray(16);
-
-	        for (var i = 0; i < ciphertext.length; i += 16) {
-	            copyArray(ciphertext, block, 0, i, i + 16);
-	            block = this._aes.decrypt(block);
-
-	            for (var j = 0; j < 16; j++) {
-	                plaintext[i + j] = block[j] ^ this._lastCipherblock[j];
-	            }
-
-	            copyArray(ciphertext, this._lastCipherblock, 0, i, i + 16);
-	        }
-
-	        return plaintext;
-	    };
-
-
-	    /**
-	     *  Mode Of Operation - Cipher Feedback (CFB)
-	     */
-	    var ModeOfOperationCFB = function(key, iv, segmentSize) {
-	        if (!(this instanceof ModeOfOperationCFB)) {
-	            throw Error('AES must be instanitated with `new`');
-	        }
-
-	        this.description = "Cipher Feedback";
-	        this.name = "cfb";
-
-	        if (!iv) {
-	            iv = createArray(16);
-
-	        } else if (iv.length != 16) {
-	            throw new Error('invalid initialation vector size (must be 16 size)');
-	        }
-
-	        if (!segmentSize) { segmentSize = 1; }
-
-	        this.segmentSize = segmentSize;
-
-	        this._shiftRegister = coerceArray(iv, true);
-
-	        this._aes = new AES(key);
-	    };
-
-	    ModeOfOperationCFB.prototype.encrypt = function(plaintext) {
-	        if ((plaintext.length % this.segmentSize) != 0) {
-	            throw new Error('invalid plaintext size (must be segmentSize bytes)');
-	        }
-
-	        var encrypted = coerceArray(plaintext, true);
-
-	        var xorSegment;
-	        for (var i = 0; i < encrypted.length; i += this.segmentSize) {
-	            xorSegment = this._aes.encrypt(this._shiftRegister);
-	            for (var j = 0; j < this.segmentSize; j++) {
-	                encrypted[i + j] ^= xorSegment[j];
-	            }
-
-	            // Shift the register
-	            copyArray(this._shiftRegister, this._shiftRegister, 0, this.segmentSize);
-	            copyArray(encrypted, this._shiftRegister, 16 - this.segmentSize, i, i + this.segmentSize);
-	        }
-
-	        return encrypted;
-	    };
-
-	    ModeOfOperationCFB.prototype.decrypt = function(ciphertext) {
-	        if ((ciphertext.length % this.segmentSize) != 0) {
-	            throw new Error('invalid ciphertext size (must be segmentSize bytes)');
-	        }
-
-	        var plaintext = coerceArray(ciphertext, true);
-
-	        var xorSegment;
-	        for (var i = 0; i < plaintext.length; i += this.segmentSize) {
-	            xorSegment = this._aes.encrypt(this._shiftRegister);
-
-	            for (var j = 0; j < this.segmentSize; j++) {
-	                plaintext[i + j] ^= xorSegment[j];
-	            }
-
-	            // Shift the register
-	            copyArray(this._shiftRegister, this._shiftRegister, 0, this.segmentSize);
-	            copyArray(ciphertext, this._shiftRegister, 16 - this.segmentSize, i, i + this.segmentSize);
-	        }
-
-	        return plaintext;
-	    };
-
-	    /**
-	     *  Mode Of Operation - Output Feedback (OFB)
-	     */
-	    var ModeOfOperationOFB = function(key, iv) {
-	        if (!(this instanceof ModeOfOperationOFB)) {
-	            throw Error('AES must be instanitated with `new`');
-	        }
-
-	        this.description = "Output Feedback";
-	        this.name = "ofb";
-
-	        if (!iv) {
-	            iv = createArray(16);
-
-	        } else if (iv.length != 16) {
-	            throw new Error('invalid initialation vector size (must be 16 bytes)');
-	        }
-
-	        this._lastPrecipher = coerceArray(iv, true);
-	        this._lastPrecipherIndex = 16;
-
-	        this._aes = new AES(key);
-	    };
-
-	    ModeOfOperationOFB.prototype.encrypt = function(plaintext) {
-	        var encrypted = coerceArray(plaintext, true);
-
-	        for (var i = 0; i < encrypted.length; i++) {
-	            if (this._lastPrecipherIndex === 16) {
-	                this._lastPrecipher = this._aes.encrypt(this._lastPrecipher);
-	                this._lastPrecipherIndex = 0;
-	            }
-	            encrypted[i] ^= this._lastPrecipher[this._lastPrecipherIndex++];
-	        }
-
-	        return encrypted;
-	    };
-
-	    // Decryption is symetric
-	    ModeOfOperationOFB.prototype.decrypt = ModeOfOperationOFB.prototype.encrypt;
-
-
-	    /**
-	     *  Counter object for CTR common mode of operation
-	     */
-	    var Counter = function(initialValue) {
-	        if (!(this instanceof Counter)) {
-	            throw Error('Counter must be instanitated with `new`');
-	        }
-
-	        // We allow 0, but anything false-ish uses the default 1
-	        if (initialValue !== 0 && !initialValue) { initialValue = 1; }
-
-	        if (typeof(initialValue) === 'number') {
-	            this._counter = createArray(16);
-	            this.setValue(initialValue);
-
-	        } else {
-	            this.setBytes(initialValue);
-	        }
-	    };
-
-	    Counter.prototype.setValue = function(value) {
-	        if (typeof(value) !== 'number' || parseInt(value) != value) {
-	            throw new Error('invalid counter value (must be an integer)');
-	        }
-
-	        // We cannot safely handle numbers beyond the safe range for integers
-	        if (value > Number.MAX_SAFE_INTEGER) {
-	            throw new Error('integer value out of safe range');
-	        }
-
-	        for (var index = 15; index >= 0; --index) {
-	            this._counter[index] = value % 256;
-	            value = parseInt(value / 256);
-	        }
-	    };
-
-	    Counter.prototype.setBytes = function(bytes) {
-	        bytes = coerceArray(bytes, true);
-
-	        if (bytes.length != 16) {
-	            throw new Error('invalid counter bytes size (must be 16 bytes)');
-	        }
-
-	        this._counter = bytes;
-	    };
-
-	    Counter.prototype.increment = function() {
-	        for (var i = 15; i >= 0; i--) {
-	            if (this._counter[i] === 255) {
-	                this._counter[i] = 0;
-	            } else {
-	                this._counter[i]++;
-	                break;
-	            }
-	        }
-	    };
-
-
-	    /**
-	     *  Mode Of Operation - Counter (CTR)
-	     */
-	    var ModeOfOperationCTR = function(key, counter) {
-	        if (!(this instanceof ModeOfOperationCTR)) {
-	            throw Error('AES must be instanitated with `new`');
-	        }
-
-	        this.description = "Counter";
-	        this.name = "ctr";
-
-	        if (!(counter instanceof Counter)) {
-	            counter = new Counter(counter);
-	        }
-
-	        this._counter = counter;
-
-	        this._remainingCounter = null;
-	        this._remainingCounterIndex = 16;
-
-	        this._aes = new AES(key);
-	    };
-
-	    ModeOfOperationCTR.prototype.encrypt = function(plaintext) {
-	        var encrypted = coerceArray(plaintext, true);
-
-	        for (var i = 0; i < encrypted.length; i++) {
-	            if (this._remainingCounterIndex === 16) {
-	                this._remainingCounter = this._aes.encrypt(this._counter._counter);
-	                this._remainingCounterIndex = 0;
-	                this._counter.increment();
-	            }
-	            encrypted[i] ^= this._remainingCounter[this._remainingCounterIndex++];
-	        }
-
-	        return encrypted;
-	    };
-
-	    // Decryption is symetric
-	    ModeOfOperationCTR.prototype.decrypt = ModeOfOperationCTR.prototype.encrypt;
-
-
-	    ///////////////////////
-	    // Padding
-
-	    // See:https://tools.ietf.org/html/rfc2315
-	    function pkcs7pad(data) {
-	        data = coerceArray(data, true);
-	        var padder = 16 - (data.length % 16);
-	        var result = createArray(data.length + padder);
-	        copyArray(data, result);
-	        for (var i = data.length; i < result.length; i++) {
-	            result[i] = padder;
-	        }
-	        return result;
-	    }
-
-	    function pkcs7strip(data) {
-	        data = coerceArray(data, true);
-	        if (data.length < 16) { throw new Error('PKCS#7 invalid length'); }
-
-	        var padder = data[data.length - 1];
-	        if (padder > 16) { throw new Error('PKCS#7 padding byte out of range'); }
-
-	        var length = data.length - padder;
-	        for (var i = 0; i < padder; i++) {
-	            if (data[length + i] !== padder) {
-	                throw new Error('PKCS#7 invalid padding byte');
-	            }
-	        }
-
-	        var result = createArray(length);
-	        copyArray(data, result, 0, 0, length);
-	        return result;
-	    }
-
-	    ///////////////////////
-	    // Exporting
-
-
-	    // The block cipher
-	    var aesjs = {
-	        AES: AES,
-	        Counter: Counter,
-
-	        ModeOfOperation: {
-	            ecb: ModeOfOperationECB,
-	            cbc: ModeOfOperationCBC,
-	            cfb: ModeOfOperationCFB,
-	            ofb: ModeOfOperationOFB,
-	            ctr: ModeOfOperationCTR
-	        },
-
-	        utils: {
-	            hex: convertHex,
-	            utf8: convertUtf8
-	        },
-
-	        padding: {
-	            pkcs7: {
-	                pad: pkcs7pad,
-	                strip: pkcs7strip
-	            }
-	        },
-
-	        _arrayTest: {
-	            coerceArray: coerceArray,
-	            createArray: createArray,
-	            copyArray: copyArray,
-	        }
-	    };
-
-
-	    // node.js
-	    {
-	        module.exports = aesjs;
-
-	    // RequireJS/AMD
-	    // http://www.requirejs.org/docs/api.html
-	    // https://github.com/amdjs/amdjs-api/wiki/AMD
-	    }
-
-
-	})();
-	});
-
-	// See https://github.com/ricmoo/aes-js
-	// We can use keys that are 128 bits (16 bytes), 192 bits (24 bytes) or 256 bits (32 bytes).
-	// To generate a random key:  window.crypto.getRandomValues(new Uint8Array(16));
-
-	// This default signing key is built into iD and can be used to mask/unmask sensitive values.
-	const DEFAULT_128 = [250, 157, 60, 79, 142, 134, 229, 129, 138, 126, 210, 129, 29, 71, 160, 208];
-
-
-	function utilAesEncrypt(text, key) {
-	  key = key || DEFAULT_128;
-	  const textBytes = aesJs.utils.utf8.toBytes(text);
-	  const aesCtr = new aesJs.ModeOfOperation.ctr(key);
-	  const encryptedBytes = aesCtr.encrypt(textBytes);
-	  const encryptedHex = aesJs.utils.hex.fromBytes(encryptedBytes);
-	  return encryptedHex;
-	}
-
-
-	function utilAesDecrypt(encryptedHex, key) {
-	  key = key || DEFAULT_128;
-	  const encryptedBytes = aesJs.utils.hex.toBytes(encryptedHex);
-	  const aesCtr = new aesJs.ModeOfOperation.ctr(key);
-	  const decryptedBytes = aesCtr.decrypt(encryptedBytes);
-	  const text = aesJs.utils.utf8.fromBytes(decryptedBytes);
-	  return text;
-	}
-
-	function utilCleanTags(tags) {
-	    var out = {};
-	    for (var k in tags) {
-	        if (!k) continue;
-	        var v = tags[k];
-	        if (v !== undefined) {
-	            out[k] = cleanValue(k, v);
-	        }
-	    }
-
-	    return out;
-
-
-	    function cleanValue(k, v) {
-	        function keepSpaces(k) {
-	            return /_hours|_times|:conditional$/.test(k);
-	        }
-
-	        function skip(k) {
-	            return /^(description|note|fixme)$/.test(k);
-	        }
-
-	        if (skip(k)) return v;
-
-	        var cleaned = v
-	            .split(';')
-	            .map(function(s) { return s.trim(); })
-	            .join(keepSpaces(k) ? '; ' : ';');
-
-	        // The code below is not intended to validate websites and emails.
-	        // It is only intended to prevent obvious copy-paste errors. (#2323)
-	        // clean website- and email-like tags
-	        if (k.indexOf('website') !== -1 ||
-	            k.indexOf('email') !== -1 ||
-	            cleaned.indexOf('http') === 0) {
-	            cleaned = cleaned
-	                .replace(/[\u200B-\u200F\uFEFF]/g, '');  // strip LRM and other zero width chars
-
-	        }
-
-	        return cleaned;
-	    }
-	}
-
-	// Like selection.property('value', ...), but avoids no-op value sets,
-	// which can result in layout/repaint thrashing in some situations.
-	function utilGetSetValue(selection, value) {
-	    function d3_selection_value(value) {
-	        function valueNull() {
-	            delete this.value;
-	        }
-
-	        function valueConstant() {
-	            if (this.value !== value) {
-	                this.value = value;
-	            }
-	        }
-
-	        function valueFunction() {
-	            var x = value.apply(this, arguments);
-	            if (x == null) {
-	                delete this.value;
-	            } else if (this.value !== x) {
-	                this.value = x;
-	            }
-	        }
-
-	        return value == null
-	            ? valueNull : (typeof value === 'function'
-	            ? valueFunction : valueConstant);
-	    }
-
-	    if (arguments.length === 1) {
-	        return selection.property('value');
-	    }
-
-	    return selection.each(d3_selection_value(value));
-	}
-
-	function utilKeybinding(namespace) {
-	    var _keybindings = {};
-
-
-	    function testBindings(isCapturing) {
-	        var didMatch = false;
-	        var bindings = Object.keys(_keybindings).map(function(id) { return _keybindings[id]; });
-	        var i, binding;
-
-	        // Most key shortcuts will accept either lower or uppercase ('h' or 'H'),
-	        // so we don't strictly match on the shift key, but we prioritize
-	        // shifted keybindings first, and fallback to unshifted only if no match.
-	        // (This lets us differentiate between '←'/'⇧←' or '⌘Z'/'⌘⇧Z')
-
-	        // priority match shifted keybindings first
-	        for (i = 0; i < bindings.length; i++) {
-	            binding = bindings[i];
-	            if (!binding.event.modifiers.shiftKey) continue;  // no shift
-	            if (!!binding.capture !== isCapturing) continue;
-	            if (matches(binding, true)) {
-	                binding.callback();
-	                didMatch = true;
-	            }
-	        }
-
-	        // then unshifted keybindings
-	        if (didMatch) return;
-	        for (i = 0; i < bindings.length; i++) {
-	            binding = bindings[i];
-	            if (binding.event.modifiers.shiftKey) continue;   // shift
-	            if (!!binding.capture !== isCapturing) continue;
-	            if (matches(binding, false)) {
-	                binding.callback();
-	            }
-	        }
-
-
-	        function matches(binding, testShift) {
-	            var event$1 = event;
-	            var isMatch = false;
-	            var tryKeyCode = true;
-
-	            // Prefer a match on `KeyboardEvent.key`
-	            if (event$1.key !== undefined) {
-	                tryKeyCode = (event$1.key.charCodeAt(0) > 255);  // outside ISO-Latin-1
-	                isMatch = true;
-
-	                if (binding.event.key === undefined) {
-	                    isMatch = false;
-	                } else if (Array.isArray(binding.event.key)) {
-	                    if (binding.event.key.map(function(s) { return s.toLowerCase(); }).indexOf(event$1.key.toLowerCase()) === -1)
-	                        isMatch = false;
-	                } else {
-	                    if (event$1.key.toLowerCase() !== binding.event.key.toLowerCase())
-	                        isMatch = false;
-	                }
-	            }
-
-	            // Fallback match on `KeyboardEvent.keyCode`, can happen if:
-	            // - browser doesn't support `KeyboardEvent.key`
-	            // - `KeyboardEvent.key` is outside ISO-Latin-1 range (cyrillic?)
-	            if (!isMatch && tryKeyCode) {
-	                isMatch = (event$1.keyCode === binding.event.keyCode);
-	            }
-
-	            if (!isMatch) return false;
-
-	            // test modifier keys
-	            if (!(event$1.ctrlKey && event$1.altKey)) {  // if both are set, assume AltGr and skip it - #4096
-	                if (event$1.ctrlKey !== binding.event.modifiers.ctrlKey) return false;
-	                if (event$1.altKey !== binding.event.modifiers.altKey) return false;
-	            }
-	            if (event$1.metaKey !== binding.event.modifiers.metaKey) return false;
-	            if (testShift && event$1.shiftKey !== binding.event.modifiers.shiftKey) return false;
-
-	            return true;
-	        }
-	    }
-
-
-	    function capture() {
-	        testBindings(true);
-	    }
-
-
-	    function bubble() {
-	        var tagName = select(event.target).node().tagName;
-	        if (tagName === 'INPUT' || tagName === 'SELECT' || tagName === 'TEXTAREA') {
-	            return;
-	        }
-	        testBindings(false);
-	    }
-
-
-	    function keybinding(selection) {
-	        selection = selection || select(document);
-	        selection.on('keydown.capture.' + namespace, capture, true);
-	        selection.on('keydown.bubble.' + namespace, bubble, false);
-	        return keybinding;
-	    }
-
-	    // was: keybinding.off()
-	    keybinding.unbind = function(selection) {
-	        _keybindings = [];
-	        selection = selection || select(document);
-	        selection.on('keydown.capture.' + namespace, null);
-	        selection.on('keydown.bubble.' + namespace, null);
-	        return keybinding;
-	    };
-
-
-	    keybinding.clear = function() {
-	        _keybindings = {};
-	        return keybinding;
-	    };
-
-
-	    // Remove one or more keycode bindings.
-	    keybinding.off = function(codes, capture) {
-	        var arr = utilArrayUniq([].concat(codes));
-
-	        for (var i = 0; i < arr.length; i++) {
-	            var id = arr[i] + (capture ? '-capture' : '-bubble');
-	            delete _keybindings[id];
-	        }
-	        return keybinding;
-	    };
-
-
-	    // Add one or more keycode bindings.
-	    keybinding.on = function(codes, callback, capture) {
-	        if (typeof callback !== 'function') {
-	            return keybinding.off(codes, capture);
-	        }
-
-	        var arr = utilArrayUniq([].concat(codes));
-
-	        for (var i = 0; i < arr.length; i++) {
-	            var id = arr[i] + (capture ? '-capture' : '-bubble');
-	            var binding = {
-	                id: id,
-	                capture: capture,
-	                callback: callback,
-	                event: {
-	                    key: undefined,  // preferred
-	                    keyCode: 0,      // fallback
-	                    modifiers: {
-	                        shiftKey: false,
-	                        ctrlKey: false,
-	                        altKey: false,
-	                        metaKey: false
-	                    }
-	                }
-	            };
-
-	            if (_keybindings[id]) {
-	                console.warn('warning: duplicate keybinding for "' + id + '"'); // eslint-disable-line no-console
-	            }
-
-	            _keybindings[id] = binding;
-
-	            var matches = arr[i].toLowerCase().match(/(?:(?:[^+⇧⌃⌥⌘])+|[⇧⌃⌥⌘]|\+\+|^\+$)/g);
-	            for (var j = 0; j < matches.length; j++) {
-	                // Normalise matching errors
-	                if (matches[j] === '++') matches[j] = '+';
-
-	                if (matches[j] in utilKeybinding.modifierCodes) {
-	                    var prop = utilKeybinding.modifierProperties[utilKeybinding.modifierCodes[matches[j]]];
-	                    binding.event.modifiers[prop] = true;
-	                } else {
-	                    binding.event.key = utilKeybinding.keys[matches[j]] || matches[j];
-	                    if (matches[j] in utilKeybinding.keyCodes) {
-	                        binding.event.keyCode = utilKeybinding.keyCodes[matches[j]];
-	                    }
-	                }
-	            }
-	        }
-
-	        return keybinding;
-	    };
-
-
-	    return keybinding;
-	}
-
-
-	/*
-	 * See https://github.com/keithamus/jwerty
-	 */
-
-	utilKeybinding.modifierCodes = {
-	    // Shift key, ⇧
-	    '⇧': 16, shift: 16,
-	    // CTRL key, on Mac: ⌃
-	    '⌃': 17, ctrl: 17,
-	    // ALT key, on Mac: ⌥ (Alt)
-	    '⌥': 18, alt: 18, option: 18,
-	    // META, on Mac: ⌘ (CMD), on Windows (Win), on Linux (Super)
-	    '⌘': 91, meta: 91, cmd: 91, 'super': 91, win: 91
-	};
-
-	utilKeybinding.modifierProperties = {
-	    16: 'shiftKey',
-	    17: 'ctrlKey',
-	    18: 'altKey',
-	    91: 'metaKey'
-	};
-
-	utilKeybinding.keys = {
-	    // Backspace key, on Mac: ⌫ (Backspace)
-	    '⌫': 'Backspace', backspace: 'Backspace',
-	    // Tab Key, on Mac: ⇥ (Tab), on Windows ⇥⇥
-	    '⇥': 'Tab', '⇆': 'Tab', tab: 'Tab',
-	    // Return key, ↩
-	    '↩': 'Enter', 'return': 'Enter', enter: 'Enter', '⌅': 'Enter',
-	    // Pause/Break key
-	    'pause': 'Pause', 'pause-break': 'Pause',
-	    // Caps Lock key, ⇪
-	    '⇪': 'CapsLock', caps: 'CapsLock', 'caps-lock': 'CapsLock',
-	    // Escape key, on Mac: ⎋, on Windows: Esc
-	    '⎋': ['Escape', 'Esc'], escape: ['Escape', 'Esc'], esc: ['Escape', 'Esc'],
-	    // Space key
-	    space: [' ', 'Spacebar'],
-	    // Page-Up key, or pgup, on Mac: ↖
-	    '↖': 'PageUp', pgup: 'PageUp', 'page-up': 'PageUp',
-	    // Page-Down key, or pgdown, on Mac: ↘
-	    '↘': 'PageDown', pgdown: 'PageDown', 'page-down': 'PageDown',
-	    // END key, on Mac: ⇟
-	    '⇟': 'End', end: 'End',
-	    // HOME key, on Mac: ⇞
-	    '⇞': 'Home', home: 'Home',
-	    // Insert key, or ins
-	    ins: 'Insert', insert: 'Insert',
-	    // Delete key, on Mac: ⌦ (Delete)
-	    '⌦': ['Delete', 'Del'], del: ['Delete', 'Del'], 'delete': ['Delete', 'Del'],
-	    // Left Arrow Key, or ←
-	    '←': ['ArrowLeft', 'Left'], left: ['ArrowLeft', 'Left'], 'arrow-left': ['ArrowLeft', 'Left'],
-	    // Up Arrow Key, or ↑
-	    '↑': ['ArrowUp', 'Up'], up: ['ArrowUp', 'Up'], 'arrow-up': ['ArrowUp', 'Up'],
-	    // Right Arrow Key, or →
-	    '→': ['ArrowRight', 'Right'], right: ['ArrowRight', 'Right'], 'arrow-right': ['ArrowRight', 'Right'],
-	    // Up Arrow Key, or ↓
-	    '↓': ['ArrowDown', 'Down'], down: ['ArrowDown', 'Down'], 'arrow-down': ['ArrowDown', 'Down'],
-	    // odities, stuff for backward compatibility (browsers and code):
-	    // Num-Multiply, or *
-	    '*': ['*', 'Multiply'], star: ['*', 'Multiply'], asterisk: ['*', 'Multiply'], multiply: ['*', 'Multiply'],
-	    // Num-Plus or +
-	    '+': ['+', 'Add'], 'plus': ['+', 'Add'],
-	    // Num-Subtract, or -
-	    '-': ['-', 'Subtract'], subtract: ['-', 'Subtract'], 'dash': ['-', 'Subtract'],
-	    // Semicolon
-	    semicolon: ';',
-	    // = or equals
-	    equals: '=',
-	    // Comma, or ,
-	    comma: ',',
-	    // Period, or ., or full-stop
-	    period: '.', 'full-stop': '.',
-	    // Slash, or /, or forward-slash
-	    slash: '/', 'forward-slash': '/',
-	    // Tick, or `, or back-quote
-	    tick: '`', 'back-quote': '`',
-	    // Open bracket, or [
-	    'open-bracket': '[',
-	    // Back slash, or \
-	    'back-slash': '\\',
-	    // Close backet, or ]
-	    'close-bracket': ']',
-	    // Apostrophe, or Quote, or '
-	    quote: '\'', apostrophe: '\'',
-	    // NUMPAD 0-9
-	    'num-0': '0',
-	    'num-1': '1',
-	    'num-2': '2',
-	    'num-3': '3',
-	    'num-4': '4',
-	    'num-5': '5',
-	    'num-6': '6',
-	    'num-7': '7',
-	    'num-8': '8',
-	    'num-9': '9',
-	    // F1-F25
-	    f1: 'F1',
-	    f2: 'F2',
-	    f3: 'F3',
-	    f4: 'F4',
-	    f5: 'F5',
-	    f6: 'F6',
-	    f7: 'F7',
-	    f8: 'F8',
-	    f9: 'F9',
-	    f10: 'F10',
-	    f11: 'F11',
-	    f12: 'F12',
-	    f13: 'F13',
-	    f14: 'F14',
-	    f15: 'F15',
-	    f16: 'F16',
-	    f17: 'F17',
-	    f18: 'F18',
-	    f19: 'F19',
-	    f20: 'F20',
-	    f21: 'F21',
-	    f22: 'F22',
-	    f23: 'F23',
-	    f24: 'F24',
-	    f25: 'F25'
-	};
-
-	utilKeybinding.keyCodes = {
-	    // Backspace key, on Mac: ⌫ (Backspace)
-	    '⌫': 8, backspace: 8,
-	    // Tab Key, on Mac: ⇥ (Tab), on Windows ⇥⇥
-	    '⇥': 9, '⇆': 9, tab: 9,
-	    // Return key, ↩
-	    '↩': 13, 'return': 13, enter: 13, '⌅': 13,
-	    // Pause/Break key
-	    'pause': 19, 'pause-break': 19,
-	    // Caps Lock key, ⇪
-	    '⇪': 20, caps: 20, 'caps-lock': 20,
-	    // Escape key, on Mac: ⎋, on Windows: Esc
-	    '⎋': 27, escape: 27, esc: 27,
-	    // Space key
-	    space: 32,
-	    // Page-Up key, or pgup, on Mac: ↖
-	    '↖': 33, pgup: 33, 'page-up': 33,
-	    // Page-Down key, or pgdown, on Mac: ↘
-	    '↘': 34, pgdown: 34, 'page-down': 34,
-	    // END key, on Mac: ⇟
-	    '⇟': 35, end: 35,
-	    // HOME key, on Mac: ⇞
-	    '⇞': 36, home: 36,
-	    // Insert key, or ins
-	    ins: 45, insert: 45,
-	    // Delete key, on Mac: ⌦ (Delete)
-	    '⌦': 46, del: 46, 'delete': 46,
-	    // Left Arrow Key, or ←
-	    '←': 37, left: 37, 'arrow-left': 37,
-	    // Up Arrow Key, or ↑
-	    '↑': 38, up: 38, 'arrow-up': 38,
-	    // Right Arrow Key, or →
-	    '→': 39, right: 39, 'arrow-right': 39,
-	    // Up Arrow Key, or ↓
-	    '↓': 40, down: 40, 'arrow-down': 40,
-	    // odities, printing characters that come out wrong:
-	    // Firefox Equals
-	    'ffequals': 61,
-	    // Num-Multiply, or *
-	    '*': 106, star: 106, asterisk: 106, multiply: 106,
-	    // Num-Plus or +
-	    '+': 107, 'plus': 107,
-	    // Num-Subtract, or -
-	    '-': 109, subtract: 109,
-	    // Firefox Plus
-	    'ffplus': 171,
-	    // Firefox Minus
-	    'ffminus': 173,
-	    // Semicolon
-	    ';': 186, semicolon: 186,
-	    // = or equals
-	    '=': 187, 'equals': 187,
-	    // Comma, or ,
-	    ',': 188, comma: 188,
-	    // Dash / Underscore key
-	    'dash': 189,
-	    // Period, or ., or full-stop
-	    '.': 190, period: 190, 'full-stop': 190,
-	    // Slash, or /, or forward-slash
-	    '/': 191, slash: 191, 'forward-slash': 191,
-	    // Tick, or `, or back-quote
-	    '`': 192, tick: 192, 'back-quote': 192,
-	    // Open bracket, or [
-	    '[': 219, 'open-bracket': 219,
-	    // Back slash, or \
-	    '\\': 220, 'back-slash': 220,
-	    // Close backet, or ]
-	    ']': 221, 'close-bracket': 221,
-	    // Apostrophe, or Quote, or '
-	    '\'': 222, quote: 222, apostrophe: 222
-	};
-
-	// NUMPAD 0-9
-	var i$2 = 95, n = 0;
-	while (++i$2 < 106) {
-	    utilKeybinding.keyCodes['num-' + n] = i$2;
-	    ++n;
-	}
-
-	// 0-9
-	i$2 = 47; n = 0;
-	while (++i$2 < 58) {
-	    utilKeybinding.keyCodes[n] = i$2;
-	    ++n;
-	}
-
-	// F1-F25
-	i$2 = 111; n = 1;
-	while (++i$2 < 136) {
-	    utilKeybinding.keyCodes['f' + n] = i$2;
-	    ++n;
-	}
-
-	// a-z
-	i$2 = 64;
-	while (++i$2 < 91) {
-	    utilKeybinding.keyCodes[String.fromCharCode(i$2).toLowerCase()] = i$2;
-	}
-
-	function utilObjectOmit(obj, omitKeys) {
-	    return Object.keys(obj).reduce(function(result, key) {
-	        if (omitKeys.indexOf(key) === -1) {
-	            result[key] = obj[key];  // keep
-	        }
-	        return result;
-	    }, {});
-	}
-
-	// Copies a variable number of methods from source to target.
-	function utilRebind(target, source) {
-	    var i = 1, n = arguments.length, method;
-	    while (++i < n) {
-	        target[method = arguments[i]] = d3_rebind(target, source, source[method]);
-	    }
-	    return target;
-	}
-
-	// Method is assumed to be a standard D3 getter-setter:
-	// If passed with no arguments, gets the value.
-	// If passed with arguments, sets the value and returns the target.
-	function d3_rebind(target, source, method) {
-	    return function() {
-	        var value = method.apply(source, arguments);
-	        return value === source ? target : value;
-	    };
-	}
-
-	// A per-domain session mutex backed by a cookie and dead man's
-	// switch. If the session crashes, the mutex will auto-release
-	// after 5 seconds.
-
-	// This accepts a string and returns an object that complies with utilSessionMutexType
-	function utilSessionMutex(name) {
-	    var mutex = {};
-	    var intervalID;
-
-	    function renew() {
-	        var expires = new Date();
-	        expires.setSeconds(expires.getSeconds() + 5);
-	        document.cookie = name + '=1; expires=' + expires.toUTCString() + '; sameSite=strict';
-	    }
-
-	    mutex.lock = function () {
-	        if (intervalID) return true;
-	        var cookie = document.cookie.replace(new RegExp('(?:(?:^|.*;)\\s*' + name + '\\s*\\=\\s*([^;]*).*$)|^.*$'), '$1');
-	        if (cookie) return false;
-	        renew();
-	        intervalID = window.setInterval(renew, 4000);
-	        return true;
-	    };
-
-	    mutex.unlock = function () {
-	        if (!intervalID) return;
-	        document.cookie = name + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT; sameSite=strict';
-	        clearInterval(intervalID);
-	        intervalID = null;
-	    };
-
-	    mutex.locked = function () {
-	        return !!intervalID;
-	    };
-
-	    return mutex;
-	}
-
-	function utilTiler() {
-	    var _size = [256, 256];
-	    var _scale = 256;
-	    var _tileSize = 256;
-	    var _zoomExtent = [0, 20];
-	    var _translate = [_size[0] / 2, _size[1] / 2];
-	    var _margin = 0;
-	    var _skipNullIsland = false;
-
-
-	    function clamp(num, min, max) {
-	        return Math.max(min, Math.min(num, max));
-	    }
-
-
-	    function nearNullIsland(tile) {
-	        var x = tile[0];
-	        var y = tile[1];
-	        var z = tile[2];
-	        if (z >= 7) {
-	            var center = Math.pow(2, z - 1);
-	            var width = Math.pow(2, z - 6);
-	            var min = center - (width / 2);
-	            var max = center + (width / 2) - 1;
-	            return x >= min && x <= max && y >= min && y <= max;
-	        }
-	        return false;
-	    }
-
-
-	    function tiler() {
-	        var z = geoScaleToZoom(_scale / (2 * Math.PI), _tileSize);
-	        var z0 = clamp(Math.round(z), _zoomExtent[0], _zoomExtent[1]);
-	        var tileMin = 0;
-	        var tileMax = Math.pow(2, z0) - 1;
-	        var log2ts = Math.log(_tileSize) * Math.LOG2E;
-	        var k = Math.pow(2, z - z0 + log2ts);
-	        var origin = [
-	            (_translate[0] - _scale / 2) / k,
-	            (_translate[1] - _scale / 2) / k
-	        ];
-
-	        var cols = range$1(
-	            clamp(Math.floor(-origin[0]) - _margin,               tileMin, tileMax + 1),
-	            clamp(Math.ceil(_size[0] / k - origin[0]) + _margin,  tileMin, tileMax + 1)
-	        );
-	        var rows = range$1(
-	            clamp(Math.floor(-origin[1]) - _margin,               tileMin, tileMax + 1),
-	            clamp(Math.ceil(_size[1] / k - origin[1]) + _margin,  tileMin, tileMax + 1)
-	        );
-
-	        var tiles = [];
-	        for (var i = 0; i < rows.length; i++) {
-	            var y = rows[i];
-	            for (var j = 0; j < cols.length; j++) {
-	                var x = cols[j];
-
-	                if (i >= _margin && i <= rows.length - _margin &&
-	                    j >= _margin && j <= cols.length - _margin) {
-	                    tiles.unshift([x, y, z0]);  // tiles in view at beginning
-	                } else {
-	                    tiles.push([x, y, z0]);     // tiles in margin at the end
-	                }
-	            }
-	        }
-
-	        tiles.translate = origin;
-	        tiles.scale = k;
-
-	        return tiles;
-	    }
-
-
-	    /**
-	     * getTiles() returns an array of tiles that cover the map view
-	     */
-	    tiler.getTiles = function(projection) {
-	        var origin = [
-	            projection.scale() * Math.PI - projection.translate()[0],
-	            projection.scale() * Math.PI - projection.translate()[1]
-	        ];
-
-	        this
-	            .size(projection.clipExtent()[1])
-	            .scale(projection.scale() * 2 * Math.PI)
-	            .translate(projection.translate());
-
-	        var tiles = tiler();
-	        var ts = tiles.scale;
-
-	        return tiles
-	            .map(function(tile) {
-	                if (_skipNullIsland && nearNullIsland(tile)) {
-	                    return false;
-	                }
-	                var x = tile[0] * ts - origin[0];
-	                var y = tile[1] * ts - origin[1];
-	                return {
-	                    id: tile.toString(),
-	                    xyz: tile,
-	                    extent: geoExtent(
-	                        projection.invert([x, y + ts]),
-	                        projection.invert([x + ts, y])
-	                    )
-	                };
-	            }).filter(Boolean);
-	    };
-
-
-	    /**
-	     * getGeoJSON() returns a FeatureCollection for debugging tiles
-	     */
-	    tiler.getGeoJSON = function(projection) {
-	        var features = tiler.getTiles(projection).map(function(tile) {
-	            return {
-	                type: 'Feature',
-	                properties: {
-	                    id: tile.id,
-	                    name: tile.id
-	                },
-	                geometry: {
-	                    type: 'Polygon',
-	                    coordinates: [ tile.extent.polygon() ]
-	                }
-	            };
-	        });
-
-	        return {
-	            type: 'FeatureCollection',
-	            features: features
-	        };
-	    };
-
-
-	    tiler.tileSize = function(val) {
-	        if (!arguments.length) return _tileSize;
-	        _tileSize = val;
-	        return tiler;
-	    };
-
-
-	    tiler.zoomExtent = function(val) {
-	        if (!arguments.length) return _zoomExtent;
-	        _zoomExtent = val;
-	        return tiler;
-	    };
-
-
-	    tiler.size = function(val) {
-	        if (!arguments.length) return _size;
-	        _size = val;
-	        return tiler;
-	    };
-
-
-	    tiler.scale = function(val) {
-	        if (!arguments.length) return _scale;
-	        _scale = val;
-	        return tiler;
-	    };
-
-
-	    tiler.translate = function(val) {
-	        if (!arguments.length) return _translate;
-	        _translate = val;
-	        return tiler;
-	    };
-
-
-	    // number to extend the rows/columns beyond those covering the viewport
-	    tiler.margin = function(val) {
-	        if (!arguments.length) return _margin;
-	        _margin = +val;
-	        return tiler;
-	    };
-
-
-	    tiler.skipNullIsland = function(val) {
-	        if (!arguments.length) return _skipNullIsland;
-	        _skipNullIsland = val;
-	        return tiler;
-	    };
-
-
-	    return tiler;
-	}
-
-	function utilTriggerEvent(target, type) {
-	    target.each(function() {
-	        var evt = document.createEvent('HTMLEvents');
-	        evt.initEvent(type, true, true);
-	        this.dispatchEvent(evt);
-	    });
-	}
-
-	let _mainLocalizer = coreLocalizer(); // singleton
-	let _t = _mainLocalizer.t;
-
-	//
-	// coreLocalizer manages language and locale parameters including translated strings
-	//
-	function coreLocalizer() {
-
-	    let localizer = {};
-
-	    let _dataLanguages = {};
-
-	    // `localeData` is an object containing all _supported_ locale codes -> language info.
-	    // {
-	    // en: { rtl: false, languageNames: {…}, scriptNames: {…} },
-	    // de: { rtl: false, languageNames: {…}, scriptNames: {…} },
-	    // …
-	    // }
-	    let _dataLocales = {};
-
-	    // `localeStrings` is an object containing all _loaded_ locale codes -> string data.
-	    // {
-	    // en: { icons: {…}, toolbar: {…}, modes: {…}, operations: {…}, … },
-	    // de: { icons: {…}, toolbar: {…}, modes: {…}, operations: {…}, … },
-	    // …
-	    // }
-	    let _localeStrings = {};
-
-	    // the current locale parameters
-	    let _localeCode = 'en-US';
-	    let _languageCode = 'en';
-	    let _textDirection = 'ltr';
-	    let _usesMetric = false;
-	    let _languageNames = {};
-	    let _scriptNames = {};
-
-	    // getters for the current locale parameters
-	    localizer.localeCode = () => _localeCode;
-	    localizer.languageCode = () => _languageCode;
-	    localizer.textDirection = () => _textDirection;
-	    localizer.usesMetric = () => _usesMetric;
-	    localizer.languageNames = () => _languageNames;
-	    localizer.scriptNames = () => _scriptNames;
-
-
-	    var _loadPromise;
-
-	    localizer.ensureLoaded = () => {
-
-	        if (_loadPromise) return _loadPromise;
-
-	        return _loadPromise = Promise.all([
-	                // load the list of langauges
-	                _mainFileFetcher.get('languages'),
-	                // load the list of supported locales
-	                _mainFileFetcher.get('locales')
-	            ])
-	            .then(results => {
-	                _dataLanguages = results[0];
-	                _dataLocales = results[1];
-	            })
-	            .then(() => {
-	                const hash = utilStringQs(window.location.hash);
-
-	                if (hash.locale && _dataLocales[hash.locale]) {
-	                    // the locale can be manually set in the URL hash
-	                    _localeCode = hash.locale;
-	                } else {
-	                    // otherwise use the locale specified by the browser
-	                    _localeCode = supportedBrowserLocale();
-	                }
-
-	                return Promise.all([
-	                    // always load the English locale strings as fallbacks
-	                    localizer.loadLocale('en'),
-	                    // load the preferred locale
-	                    localizer.loadLocale(_localeCode)
-	                ]);
-	            })
-	            .then(() => {
-	                updateForCurrentLocale();
-	            })
-	            .catch(err => console.error(err));  // eslint-disable-line
-	    };
-
-	    // Returns the best locale requested by the browser supported by iD, if any
-	    function supportedBrowserLocale() {
-	        // list of locales preferred by the browser in priority order
-	        let browserLocales = utilDetect().browserLocales;
-	        let supportedLocales = _dataLocales;
-
-	        for (let i in browserLocales) {
-	            let browserLocale = browserLocales[i];
-	            if (browserLocale.includes('-')) { // full locale ('es-ES')
-
-	                if (supportedLocales[browserLocale]) return browserLocale;
-
-	                // If full locale not supported ('es-FAKE'), fallback to the base ('es')
-	                let langPart = browserLocale.split('-')[0];
-	                if (supportedLocales[langPart]) return langPart;
-
-	            } else { // base locale ('es')
-
-	                // prefer a lower-priority full locale with this base ('es' < 'es-ES')
-	                let fullLocale = browserLocales.find((locale, index) => {
-	                    return index > i &&
-	                        locale !== browserLocale &&
-	                        locale.split('-')[0] === browserLocale &&
-	                        supportedLocales[locale];
-	                });
-	                if (fullLocale) return fullLocale;
-
-	                if (supportedLocales[browserLocale]) return browserLocale;
-	            }
-	        }
-
-	        return null;
-	    }
-
-	    function updateForCurrentLocale() {
-	        if (!_localeCode) return;
-
-	        _languageCode = _localeCode.split('-')[0];
-
-	        const currentData = _dataLocales[_localeCode] || _dataLocales[_languageCode];
-
-	        const hash = utilStringQs(window.location.hash);
-
-	        if (hash.rtl === 'true') {
-	            _textDirection = 'rtl';
-	        } else if (hash.rtl === 'false') {
-	            _textDirection = 'ltr';
-	        }  else {
-	            _textDirection = currentData && currentData.rtl ? 'rtl' : 'ltr';
-	        }
-
-	        _languageNames = currentData && currentData.languageNames;
-	        _scriptNames = currentData && currentData.scriptNames;
-
-	        _usesMetric = _localeCode.slice(-3).toLowerCase() !== '-us';
-	    }
-
-
-	    /* Locales */
-	    // Returns a Promise to load the strings for the requested locale
-	    localizer.loadLocale = (requested) => {
-
-	        if (!_dataLocales) {
-	            return Promise.reject('loadLocale called before init');
-	        }
-
-	        let locale = requested;
-
-	        // US English is the default
-	        if (locale.toLowerCase() === 'en-us') locale = 'en';
-
-	        if (!_dataLocales[locale]) {
-	            return Promise.reject(`Unsupported locale: ${requested}`);
-	        }
-
-	        if (_localeStrings[locale]) {    // already loaded
-	            return Promise.resolve(locale);
-	        }
-
-	        let fileMap = _mainFileFetcher.fileMap();
-	        const key = `locale_${locale}`;
-	        fileMap[key] = `locales/${locale}.json`;
-
-	        return _mainFileFetcher.get(key)
-	            .then(d => {
-	                _localeStrings[locale] = d[locale];
-	                return locale;
-	            });
-	    };
-
-	    /**
-	    * Given a string identifier, try to find that string in the current
-	    * language, and return it.  This function will be called recursively
-	    * with locale `en` if a string can not be found in the requested language.
-	    *
-	    * @param  {string}   s             string identifier
-	    * @param  {object?}  replacements  token replacements and default string
-	    * @param  {string?}  locale        locale to use (defaults to currentLocale)
-	    * @return {string?}  localized string
-	    */
-	    localizer.t = function(s, replacements, locale) {
-	        locale = locale || _localeCode;
-
-	        // US English is the default
-	        if (locale.toLowerCase() === 'en-us') locale = 'en';
-
-	        let path = s
-	          .split('.')
-	          .map(s => s.replace(/<TX_DOT>/g, '.'))
-	          .reverse();
-
-	        let result = _localeStrings[locale];
-
-	        while (result !== undefined && path.length) {
-	          result = result[path.pop()];
-	        }
-
-	        if (result !== undefined) {
-	          if (replacements) {
-	            for (let k in replacements) {
-	              const token = `{${k}}`;
-	              const regex = new RegExp(token, 'g');
-	              result = result.replace(regex, replacements[k]);
-	            }
-	          }
-	          return result;
-	        }
-
-	        if (locale !== 'en') {
-	          return localizer.t(s, replacements, 'en');  // fallback - recurse with 'en'
-	        }
-
-	        if (replacements && 'default' in replacements) {
-	          return replacements.default;      // fallback - replacements.default
-	        }
-
-	        const missing = `Missing ${locale} translation: ${s}`;
-	        if (typeof console !== 'undefined') console.error(missing);  // eslint-disable-line
-
-	        return missing;
-	    };
-
-	    localizer.languageName = (code, options) => {
-
-	        if (_languageNames[code]) {  // name in locale langauge
-	          // e.g. "German"
-	          return _languageNames[code];
-	        }
-
-	        // sometimes we only want the local name
-	        if (options && options.localOnly) return null;
-
-	        const langInfo = _dataLanguages[code];
-	        if (langInfo) {
-	          if (langInfo.nativeName) {  // name in native language
-	            // e.g. "Deutsch (de)"
-	            return localizer.t('translate.language_and_code', { language: langInfo.nativeName, code: code });
-
-	          } else if (langInfo.base && langInfo.script) {
-	            const base = langInfo.base;   // the code of the langauge this is based on
-
-	            if (_languageNames[base]) {   // base language name in locale langauge
-	              const scriptCode = langInfo.script;
-	              const script = _scriptNames[scriptCode] || scriptCode;
-	              // e.g. "Serbian (Cyrillic)"
-	              return localizer.t('translate.language_and_code', { language: _languageNames[base], code: script });
-
-	            } else if (_dataLanguages[base] && _dataLanguages[base].nativeName) {
-	              // e.g. "српски (sr-Cyrl)"
-	              return localizer.t('translate.language_and_code', { language: _dataLanguages[base].nativeName, code: code });
-	            }
-	          }
-	        }
-	        return code;  // if not found, use the code
-	    };
-
-	    return localizer;
-	}
-
-	//
-	// `presetCollection` is a wrapper around an `Array` of presets `collection`,
-	// and decorated with some extra methods for searching and matching geometry
-	//
-	function presetCollection(collection) {
-	  const MAXRESULTS = 50;
-	  let _this = {};
-	  let _memo = {};
-
-	  _this.collection = collection;
-
-	  _this.item = (id) => {
-	    if (_memo[id]) return _memo[id];
-	    const found = _this.collection.find(d => d.id === id);
-	    if (found) _memo[id] = found;
-	    return found;
-	  };
-
-	  _this.index = (id) => _this.collection.findIndex(d => d.id === id);
-
-	  _this.matchGeometry = (geometry) => {
-	    return presetCollection(
-	      _this.collection.filter(d => d.matchGeometry(geometry))
-	    );
-	  };
-
-	  _this.matchAllGeometry = (geometries) => {
-	    return presetCollection(
-	      _this.collection.filter(d => d && d.matchAllGeometry(geometries))
-	    );
-	  };
-
-	  _this.matchAnyGeometry = (geometries) => {
-	    return presetCollection(
-	      _this.collection.filter(d => geometries.some(geom => d.matchGeometry(geom)))
-	    );
-	  };
-
-	  _this.fallback = (geometry) => {
-	    let id = geometry;
-	    if (id === 'vertex') id = 'point';
-	    return _this.item(id);
-	  };
-
-	  _this.search = (value, geometry, countryCode) => {
-	    if (!value) return _this;
-
-	    value = value.toLowerCase().trim();
-
-	    // match at name beginning or just after a space (e.g. "office" -> match "Law Office")
-	    function leading(a) {
-	      const index = a.indexOf(value);
-	      return index === 0 || a[index - 1] === ' ';
-	    }
-
-	    // match at name beginning only
-	    function leadingStrict(a) {
-	      const index = a.indexOf(value);
-	      return index === 0;
-	    }
-
-	    function sortNames(a, b) {
-	      let aCompare = (a.suggestion ? a.originalName : a.name()).toLowerCase();
-	      let bCompare = (b.suggestion ? b.originalName : b.name()).toLowerCase();
-
-	      // priority if search string matches preset name exactly - #4325
-	      if (value === aCompare) return -1;
-	      if (value === bCompare) return 1;
-
-	      // priority for higher matchScore
-	      let i = b.originalScore - a.originalScore;
-	      if (i !== 0) return i;
-
-	      // priority if search string appears earlier in preset name
-	      i = aCompare.indexOf(value) - bCompare.indexOf(value);
-	      if (i !== 0) return i;
-
-	      // priority for shorter preset names
-	      return aCompare.length - bCompare.length;
-	    }
-
-	    let pool = _this.collection;
-	    if (countryCode) {
-	      pool = pool.filter(a => {
-	        if (a.countryCodes && a.countryCodes.indexOf(countryCode) === -1) return false;
-	        if (a.notCountryCodes && a.notCountryCodes.indexOf(countryCode) !== -1) return false;
-	        return true;
-	      });
-	    }
-	    const searchable = pool.filter(a => a.searchable !== false && a.suggestion !== true);
-	    const suggestions = pool.filter(a => a.suggestion === true);
-
-	    // matches value to preset.name
-	    const leading_name = searchable
-	      .filter(a => leading(a.name().toLowerCase()))
-	      .sort(sortNames);
-
-	    // matches value to preset suggestion name (original name is unhyphenated)
-	    const leading_suggestions = suggestions
-	      .filter(a => leadingStrict(a.originalName.toLowerCase()))
-	      .sort(sortNames);
-
-	    // matches value to preset.terms values
-	    const leading_terms = searchable
-	      .filter(a => (a.terms() || []).some(leading));
-
-	    // matches value to preset.tags values
-	    const leading_tag_values = searchable
-	      .filter(a => Object.values(a.tags || {}).filter(val => val !== '*').some(leading));
-
-	    // finds close matches to value in preset.name
-	    const similar_name = searchable
-	      .map(a => ({ preset: a, dist: utilEditDistance(value, a.name()) }))
-	      .filter(a => a.dist + Math.min(value.length - a.preset.name().length, 0) < 3)
-	      .sort((a, b) => a.dist - b.dist)
-	      .map(a => a.preset);
-
-	    // finds close matches to value to preset suggestion name (original name is unhyphenated)
-	    const similar_suggestions = suggestions
-	      .map(a => ({ preset: a, dist: utilEditDistance(value, a.originalName.toLowerCase()) }))
-	      .filter(a => a.dist + Math.min(value.length - a.preset.originalName.length, 0) < 1)
-	      .sort((a, b) => a.dist - b.dist)
-	      .map(a => a.preset);
-
-	    // finds close matches to value in preset.terms
-	    const similar_terms = searchable
-	      .filter(a => {
-	        return (a.terms() || []).some(b => {
-	          return utilEditDistance(value, b) + Math.min(value.length - b.length, 0) < 3;
-	        });
-	      });
-
-	    let results = leading_name.concat(
-	      leading_suggestions,
-	      leading_terms,
-	      leading_tag_values,
-	      similar_name,
-	      similar_suggestions,
-	      similar_terms
-	    ).slice(0, MAXRESULTS - 1);
-
-	    if (geometry) {
-	      if (typeof geometry === 'string') {
-	        results.push(_this.fallback(geometry));
-	      } else {
-	        geometry.forEach(geom => results.push(_this.fallback(geom)));
-	      }
-	    }
-
-	    return presetCollection(utilArrayUniq(results));
-	  };
-
-
-	  return _this;
-	}
-
-	//
-	// `presetCategory` builds a `presetCollection` of member presets,
-	// decorated with some extra methods for searching and matching geometry
-	//
-	function presetCategory(categoryID, category, all) {
-	  let _this = Object.assign({}, category);   // shallow copy
-
-	  _this.id = categoryID;
-
-	  _this.members = presetCollection(
-	    category.members.map(presetID => all.item(presetID)).filter(Boolean)
-	  );
-
-	  _this.geometry = _this.members.collection
-	    .reduce((acc, preset) => {
-	      for (let i in preset.geometry) {
-	        const geometry = preset.geometry[i];
-	        if (acc.indexOf(geometry) === -1) {
-	          acc.push(geometry);
-	        }
-	      }
-	      return acc;
-	    }, []);
-
-	  _this.matchGeometry = (geom) => _this.geometry.indexOf(geom) >= 0;
-
-	  _this.matchAllGeometry = (geometries) => _this.members.collection
-	    .some(preset => preset.matchAllGeometry(geometries));
-
-	  _this.matchScore = () => -1;
-
-	  _this.name = () => _t(`presets.categories.${categoryID}.name`, { 'default': categoryID });
-
-	  _this.terms = () => [];
-
-
-	  return _this;
-	}
-
-	//
-	// `presetField` decorates a given `field` Object
-	// with some extra methods for searching and matching geometry
-	//
-	function presetField(fieldID, field) {
-	  let _this = Object.assign({}, field);   // shallow copy
-
-	  _this.id = fieldID;
-
-	  // for use in classes, element ids, css selectors
-	  _this.safeid = utilSafeClassName(fieldID);
-
-	  _this.matchGeometry = (geom) => !_this.geometry || _this.geometry.indexOf(geom) !== -1;
-
-	  _this.matchAllGeometry = (geometries) => {
-	    return !_this.geometry || geometries.every(geom => _this.geometry.indexOf(geom) !== -1);
-	  };
-
-	  _this.t = (scope, options) => _t(`presets.fields.${fieldID}.${scope}`, options);
-
-	  _this.label = () => _this.overrideLabel || _this.t('label', { 'default': fieldID });
-
-	  const _placeholder = _this.placeholder;
-	  _this.placeholder = () => _this.t('placeholder', { 'default': _placeholder });
-
-	  _this.originalTerms = (_this.terms || []).join();
-
-	  _this.terms = () => _this.t('terms', { 'default': _this.originalTerms })
-	    .toLowerCase().trim().split(/\s*,+\s*/);
-
-
-	  return _this;
-	}
-
-	//
-	// `presetPreset` decorates a given `preset` Object
-	// with some extra methods for searching and matching geometry
-	//
-	function presetPreset(presetID, preset, addable, allFields, allPresets) {
-	  allFields = allFields || {};
-	  allPresets = allPresets || {};
-	  let _this = Object.assign({}, preset);   // shallow copy
-	  let _addable = addable || false;
-	  let _resolvedFields;      // cache
-	  let _resolvedMoreFields;  // cache
-
-	  _this.id = presetID;
-
-	  _this.safeid = utilSafeClassName(presetID);  // for use in css classes, selectors, element ids
-
-	  _this.originalTerms = (_this.terms || []).join();
-
-	  _this.originalName = _this.name || '';
-
-	  _this.originalScore = _this.matchScore || 1;
-
-	  _this.originalReference = _this.reference || {};
-
-	  _this.originalFields = (_this.fields || []);
-
-	  _this.originalMoreFields = (_this.moreFields || []);
-
-	  _this.fields = () => _resolvedFields || (_resolvedFields = resolve('fields'));
-
-	  _this.moreFields = () => _resolvedMoreFields || (_resolvedMoreFields = resolve('moreFields'));
-
-	  _this.resetFields = () => _resolvedFields = _resolvedMoreFields = null;
-
-	  _this.tags = _this.tags || {};
-
-	  _this.addTags = _this.addTags || _this.tags;
-
-	  _this.removeTags = _this.removeTags || _this.addTags;
-
-	  _this.geometry = (_this.geometry || []);
-
-	  _this.matchGeometry = (geom) => _this.geometry.indexOf(geom) >= 0;
-
-	  _this.matchAllGeometry = (geoms) => geoms.every(_this.matchGeometry);
-
-	  _this.matchScore = (entityTags) => {
-	    const tags = _this.tags;
-	    let seen = {};
-	    let score = 0;
-
-	    // match on tags
-	    for (let k in tags) {
-	      seen[k] = true;
-	      if (entityTags[k] === tags[k]) {
-	        score += _this.originalScore;
-	      } else if (tags[k] === '*' && k in entityTags) {
-	        score += _this.originalScore / 2;
-	      } else {
-	        return -1;
-	      }
-	    }
-
-	    // boost score for additional matches in addTags - #6802
-	    const addTags = _this.addTags;
-	    for (let k in addTags) {
-	      if (!seen[k] && entityTags[k] === addTags[k]) {
-	        score += _this.originalScore;
-	      }
-	    }
-
-	    return score;
-	  };
-
-
-	  let _textCache = {};
-	  _this.t = (scope, options) => {
-	    const textID = `presets.presets.${presetID}.${scope}`;
-	    if (_textCache[textID]) return _textCache[textID];
-	    return _textCache[textID] = _t(textID, options);
-	  };
-
-
-	  _this.name = () => {
-	    if (_this.suggestion) {
-	      let path = presetID.split('/');
-	      path.pop();  // remove brand name
-	      // NOTE: insert an en-dash, not a hypen (to avoid conflict with fr - nl names in Brussels etc)
-	      return _this.originalName + ' – ' + _t('presets.presets.' + path.join('/') + '.name');
-	    }
-	    return _this.t('name', { 'default': _this.originalName });
-	  };
-
-
-	  _this.terms = () => _this.t('terms', { 'default': _this.originalTerms })
-	    .toLowerCase().trim().split(/\s*,+\s*/);
-
-
-	  _this.isFallback = () => {
-	    const tagCount = Object.keys(_this.tags).length;
-	    return tagCount === 0 || (tagCount === 1 && _this.tags.hasOwnProperty('area'));
-	  };
-
-
-	  _this.addable = function(val) {
-	    if (!arguments.length) return _addable;
-	    _addable = val;
-	    return _this;
-	  };
-
-
-	  _this.reference = (geom) => {
-	    // Lookup documentation on Wikidata...
-	    const qid = _this.tags.wikidata || _this.tags['brand:wikidata'] || _this.tags['operator:wikidata'];
-	    if (qid) {
-	      return { qid: qid };
-	    }
-
-	    // Lookup documentation on OSM Wikibase...
-	    let key = _this.originalReference.key || Object.keys(utilObjectOmit(_this.tags, 'name'))[0];
-	    let value = _this.originalReference.value || _this.tags[key];
-
-	    if (geom === 'relation' && key === 'type') {
-	      if (value in _this.tags) {
-	        key = value;
-	        value = _this.tags[key];
-	      } else {
-	        return { rtype: value };
-	      }
-	    }
-
-	    if (value === '*') {
-	      return { key: key };
-	    } else {
-	      return { key: key, value: value };
-	    }
-	  };
-
-
-	  _this.unsetTags = (tags, geometry, skipFieldDefaults) => {
-	    tags = utilObjectOmit(tags, Object.keys(_this.removeTags));
-
-	    if (geometry && !skipFieldDefaults) {
-	      _this.fields().forEach(field => {
-	        if (field.matchGeometry(geometry) && field.key && field.default === tags[field.key]) {
-	          delete tags[field.key];
-	        }
-	      });
-	    }
-
-	    delete tags.area;
-	    return tags;
-	  };
-
-
-	  _this.setTags = (tags, geometry, skipFieldDefaults) => {
-	    const addTags = _this.addTags;
-	    tags = Object.assign({}, tags);   // shallow copy
-
-	    for (let k in addTags) {
-	      if (addTags[k] === '*') {
-	        tags[k] = 'yes';
-	      } else {
-	        tags[k] = addTags[k];
-	      }
-	    }
-
-	    // Add area=yes if necessary.
-	    // This is necessary if the geometry is already an area (e.g. user drew an area) AND any of:
-	    // 1. chosen preset could be either an area or a line (`barrier=city_wall`)
-	    // 2. chosen preset doesn't have a key in osmAreaKeys (`railway=station`)
-	    if (!addTags.hasOwnProperty('area')) {
-	      delete tags.area;
-	      if (geometry === 'area') {
-	        let needsAreaTag = true;
-	        if (_this.geometry.indexOf('line') === -1) {
-	          for (let k in addTags) {
-	            if (k in osmAreaKeys) {
-	              needsAreaTag = false;
-	              break;
-	            }
-	          }
-	        }
-	        if (needsAreaTag) {
-	          tags.area = 'yes';
-	        }
-	      }
-	    }
-
-	    if (geometry && !skipFieldDefaults) {
-	      _this.fields().forEach(field => {
-	        if (field.matchGeometry(geometry) && field.key && !tags[field.key] && field.default) {
-	          tags[field.key] = field.default;
-	        }
-	      });
-	    }
-
-	    return tags;
-	  };
-
-
-	  // For a preset without fields, use the fields of the parent preset.
-	  // Replace {preset} placeholders with the fields of the specified presets.
-	  function resolve(which) {
-	    const fieldIDs = (which === 'fields' ? _this.originalFields : _this.originalMoreFields);
-	    let resolved = [];
-
-	    fieldIDs.forEach(fieldID => {
-	      const match = fieldID.match(/\{(.*)\}/);
-	      if (match !== null) {    // a presetID wrapped in braces {}
-	        resolved = resolved.concat(inheritFields(match[1], which));
-	      } else if (allFields[fieldID]) {    // a normal fieldID
-	        resolved.push(allFields[fieldID]);
-	      } else {
-	        console.log(`Cannot resolve "${fieldID}" found in ${_this.id}.${which}`);  // eslint-disable-line no-console
-	      }
-	    });
-
-	    // no fields resolved, so use the parent's if possible
-	    if (!resolved.length) {
-	      const endIndex = _this.id.lastIndexOf('/');
-	      const parentID = endIndex && _this.id.substring(0, endIndex);
-	      if (parentID) {
-	        resolved = inheritFields(parentID, which);
-	      }
-	    }
-
-	    return utilArrayUniq(resolved);
-
-
-	    // returns an array of fields to inherit from the given presetID, if found
-	    function inheritFields(presetID, which) {
-	      const parent = allPresets[presetID];
-	      if (!parent) return [];
-
-	      if (which === 'fields') {
-	        return parent.fields().filter(shouldInherit);
-	      } else if (which === 'moreFields') {
-	        return parent.moreFields();
-	      } else {
-	        return [];
-	      }
-	    }
-
-
-	    // Skip `fields` for the keys which define the preset.
-	    // These are usually `typeCombo` fields like `shop=*`
-	    function shouldInherit(f) {
-	      if (f.key && _this.tags[f.key] !== undefined &&
-	        // inherit anyway if multiple values are allowed or just a checkbox
-	        f.type !== 'multiCombo' && f.type !== 'semiCombo' && f.type !== 'check'
-	      ) return false;
-
-	      return true;
-	    }
-	  }
-
-
-	  return _this;
-	}
-
-	let _mainPresetIndex = presetIndex(); // singleton
-
-	//
-	// `presetIndex` wraps a `presetCollection`
-	// with methods for loading new data and returning defaults
-	//
-	function presetIndex() {
-	  const dispatch$1 = dispatch('favoritePreset', 'recentsChange');
-	  const MAXRECENTS = 30;
-
-	  // seed the preset lists with geometry fallbacks
-	  const POINT = presetPreset('point', { name: 'Point', tags: {}, geometry: ['point', 'vertex'], matchScore: 0.1 } );
-	  const LINE = presetPreset('line', { name: 'Line', tags: {}, geometry: ['line'], matchScore: 0.1 } );
-	  const AREA = presetPreset('area', { name: 'Area', tags: { area: 'yes' }, geometry: ['area'], matchScore: 0.1 } );
-	  const RELATION = presetPreset('relation', { name: 'Relation', tags: {}, geometry: ['relation'], matchScore: 0.1 } );
-
-	  let _this = presetCollection([POINT, LINE, AREA, RELATION]);
-	  let _presets = { point: POINT, line: LINE, area: AREA, relation: RELATION };
-
-	  let _defaults = {
-	    point: presetCollection([POINT]),
-	    vertex: presetCollection([POINT]),
-	    line: presetCollection([LINE]),
-	    area: presetCollection([AREA]),
-	    relation: presetCollection([RELATION])
-	  };
-
-	  let _fields = {};
-	  let _categories = {};
-	  let _universal = [];
-	  let _addablePresetIDs = null;   // Set of preset IDs that the user can add
-	  let _recents;
-	  let _favorites;
-
-	  // Index of presets by (geometry, tag key).
-	  let _geometryIndex = { point: {}, vertex: {}, line: {}, area: {}, relation: {} };
-
-	  let _loadPromise;
-
-	  _this.ensureLoaded = () => {
-	    if (_loadPromise) return _loadPromise;
-
-	    return _loadPromise = Promise.all([
-	        _mainFileFetcher.get('preset_categories'),
-	        _mainFileFetcher.get('preset_defaults'),
-	        _mainFileFetcher.get('preset_presets'),
-	        _mainFileFetcher.get('preset_fields')
-	      ])
-	      .then(vals => {
-	        _this.merge({
-	          categories: vals[0],
-	          defaults: vals[1],
-	          presets: vals[2],
-	          fields: vals[3]
-	        });
-	        osmSetAreaKeys(_this.areaKeys());
-	        osmSetPointTags(_this.pointTags());
-	        osmSetVertexTags(_this.vertexTags());
-	      });
-	  };
-
-
-	  _this.merge = (d) => {
-	    // Merge Fields
-	    if (d.fields) {
-	      Object.keys(d.fields).forEach(fieldID => {
-	        const f = d.fields[fieldID];
-	        if (f) {   // add or replace
-	          _fields[fieldID] = presetField(fieldID, f);
-	        } else {   // remove
-	          delete _fields[fieldID];
-	        }
-	      });
-	    }
-
-	    // Merge Presets
-	    if (d.presets) {
-	      Object.keys(d.presets).forEach(presetID => {
-	        const p = d.presets[presetID];
-	        if (p) {   // add or replace
-	          const isAddable = !_addablePresetIDs || _addablePresetIDs.has(presetID);
-	          _presets[presetID] = presetPreset(presetID, p, isAddable, _fields, _presets);
-	        } else {   // remove (but not if it's a fallback)
-	          const existing = _presets[presetID];
-	          if (existing && !existing.isFallback()) {
-	            delete _presets[presetID];
-	          }
-	        }
-	      });
-	    }
-
-	    // Need to rebuild _this.collection before loading categories
-	    _this.collection = Object.values(_presets).concat(Object.values(_categories));
-
-	    // Merge Categories
-	    if (d.categories) {
-	      Object.keys(d.categories).forEach(categoryID => {
-	        const c = d.categories[categoryID];
-	        if (c) {   // add or replace
-	          _categories[categoryID] = presetCategory(categoryID, c, _this);
-	        } else {   // remove
-	          delete _categories[categoryID];
-	        }
-	      });
-	    }
-
-	    // Rebuild _this.collection after loading categories
-	    _this.collection = Object.values(_presets).concat(Object.values(_categories));
-
-	    // Merge Defaults
-	    if (d.defaults) {
-	      Object.keys(d.defaults).forEach(geometry => {
-	        const def = d.defaults[geometry];
-	        if (Array.isArray(def)) {   // add or replace
-	          _defaults[geometry] = presetCollection(
-	            def.map(id => _presets[id] || _categories[id]).filter(Boolean)
-	          );
-	        } else {   // remove
-	          delete _defaults[geometry];
-	        }
-	      });
-	    }
-
-	    // Rebuild universal fields array
-	    _universal = Object.values(_fields).filter(field => field.universal);
-
-	    // Reset all the preset fields - they'll need to be resolved again
-	    Object.values(_presets).forEach(preset => preset.resetFields());
-
-	    // Rebuild geometry index
-	    _geometryIndex = { point: {}, vertex: {}, line: {}, area: {}, relation: {} };
-	    _this.collection.forEach(preset => {
-	      (preset.geometry || []).forEach(geometry => {
-	        let g = _geometryIndex[geometry];
-	        for (let key in preset.tags) {
-	          (g[key] = g[key] || []).push(preset);
-	        }
-	      });
-	    });
-
-	    return _this;
-	  };
-
-
-	  _this.match = (entity, resolver) => {
-	    return resolver.transient(entity, 'presetMatch', () => {
-	      let geometry = entity.geometry(resolver);
-	      // Treat entities on addr:interpolation lines as points, not vertices - #3241
-	      if (geometry === 'vertex' && entity.isOnAddressLine(resolver)) {
-	        geometry = 'point';
-	      }
-	      return _this.matchTags(entity.tags, geometry);
-	    });
-	  };
-
-
-	  _this.matchTags = (tags, geometry) => {
-	    const geometryMatches = _geometryIndex[geometry];
-	    let address;
-	    let best = -1;
-	    let match;
-
-	    for (let k in tags) {
-	      // If any part of an address is present, allow fallback to "Address" preset - #4353
-	      if (/^addr:/.test(k) && geometryMatches['addr:*']) {
-	        address = geometryMatches['addr:*'][0];
-	      }
-
-	      const keyMatches = geometryMatches[k];
-	      if (!keyMatches) continue;
-
-	      for (let i = 0; i < keyMatches.length; i++) {
-	        const score = keyMatches[i].matchScore(tags);
-	        if (score > best) {
-	          best = score;
-	          match = keyMatches[i];
-	        }
-	      }
-	    }
-
-	    if (address && (!match || match.isFallback())) {
-	      match = address;
-	    }
-	    return match || _this.fallback(geometry);
-	  };
-
-
-	  _this.allowsVertex = (entity, resolver) => {
-	    if (entity.type !== 'node') return false;
-	    if (Object.keys(entity.tags).length === 0) return true;
-
-	    return resolver.transient(entity, 'vertexMatch', () => {
-	      // address lines allow vertices to act as standalone points
-	      if (entity.isOnAddressLine(resolver)) return true;
-
-	      const geometries = osmNodeGeometriesForTags(entity.tags);
-	      if (geometries.vertex) return true;
-	      if (geometries.point) return false;
-	      // allow vertices for unspecified points
-	      return true;
-	    });
-	  };
-
-
-	  // Because of the open nature of tagging, iD will never have a complete
-	  // list of tags used in OSM, so we want it to have logic like "assume
-	  // that a closed way with an amenity tag is an area, unless the amenity
-	  // is one of these specific types". This function computes a structure
-	  // that allows testing of such conditions, based on the presets designated
-	  // as as supporting (or not supporting) the area geometry.
-	  //
-	  // The returned object L is a keeplist/discardlist of tags. A closed way
-	  // with a tag (k, v) is considered to be an area if `k in L && !(v in L[k])`
-	  // (see `Way#isArea()`). In other words, the keys of L form the keeplist,
-	  // and the subkeys form the discardlist.
-	  _this.areaKeys = () => {
-	    // The ignore list is for keys that imply lines. (We always add `area=yes` for exceptions)
-	    const ignore = ['barrier', 'highway', 'footway', 'railway', 'junction', 'type'];
-	    let areaKeys = {};
-
-	    // ignore name-suggestion-index and deprecated presets
-	    const presets = _this.collection.filter(p => !p.suggestion && !p.replacement);
-
-	    // keeplist
-	    presets.forEach(p => {
-	      let key;
-	      for (key in p.tags) break;  // pick the first tag
-	      if (!key) return;
-	      if (ignore.indexOf(key) !== -1) return;
-
-	      if (p.geometry.indexOf('area') !== -1) {    // probably an area..
-	        areaKeys[key] = areaKeys[key] || {};
-	      }
-	    });
-
-	    // discardlist
-	    presets.forEach(p => {
-	      let key;
-	      for (key in p.addTags) {
-	        // examine all addTags to get a better sense of what can be tagged on lines - #6800
-	        const value = p.addTags[key];
-	        if (key in areaKeys &&                    // probably an area...
-	          p.geometry.indexOf('line') !== -1 &&    // but sometimes a line
-	          value !== '*') {
-	          areaKeys[key][value] = true;
-	        }
-	      }
-	    });
-
-	    return areaKeys;
-	  };
-
-
-	  _this.pointTags = () => {
-	    return _this.collection.reduce((pointTags, d) => {
-	      // ignore name-suggestion-index, deprecated, and generic presets
-	      if (d.suggestion || d.replacement || d.searchable === false) return pointTags;
-
-	      // only care about the primary tag
-	      let key;
-	      for (key in d.tags) break;  // pick the first tag
-	      if (!key) return pointTags;
-
-	      // if this can be a point
-	      if (d.geometry.indexOf('point') !== -1) {
-	        pointTags[key] = pointTags[key] || {};
-	        pointTags[key][d.tags[key]] = true;
-	      }
-	      return pointTags;
-	    }, {});
-	  };
-
-
-	  _this.vertexTags = () => {
-	    return _this.collection.reduce((vertexTags, d) => {
-	      // ignore name-suggestion-index, deprecated, and generic presets
-	      if (d.suggestion || d.replacement || d.searchable === false) return vertexTags;
-
-	      // only care about the primary tag
-	      let key;
-	      for (key in d.tags) break;   // pick the first tag
-	      if (!key) return vertexTags;
-
-	      // if this can be a vertex
-	      if (d.geometry.indexOf('vertex') !== -1) {
-	        vertexTags[key] = vertexTags[key] || {};
-	        vertexTags[key][d.tags[key]] = true;
-	      }
-	      return vertexTags;
-	    }, {});
-	  };
-
-
-	  _this.field = (id) => _fields[id];
-
-	  _this.universal = () => _universal;
-
-
-	  _this.defaults = (geometry, n, startWithRecents) => {
-	    let recents = [];
-	    if (startWithRecents) {
-	      recents = _this.recent().matchGeometry(geometry).collection.slice(0, 4);
-	    }
-	    let defaults;
-	    if (_addablePresetIDs) {
-	      defaults = Array.from(_addablePresetIDs).map(function(id) {
-	        var preset = _this.item(id);
-	        if (preset && preset.matchGeometry(geometry)) return preset;
-	        return null;
-	      }).filter(Boolean);
-	    } else {
-	      defaults = _defaults[geometry].collection.concat(_this.fallback(geometry));
-	    }
-
-	    return presetCollection(
-	      utilArrayUniq(recents.concat(defaults)).slice(0, n - 1)
-	    );
-	  };
-
-	  // pass a Set of addable preset ids
-	  _this.addablePresetIDs = function(val) {
-	    if (!arguments.length) return _addablePresetIDs;
-
-	    // accept and convert arrays
-	    if (Array.isArray(val)) val = new Set(val);
-
-	    _addablePresetIDs = val;
-	    if (_addablePresetIDs) {   // reset all presets
-	      _this.collection.forEach(p => {
-	        // categories aren't addable
-	        if (p.addable) p.addable(_addablePresetIDs.has(p.id));
-	      });
-	    } else {
-	      _this.collection.forEach(p => {
-	        if (p.addable) p.addable(true);
-	      });
-	    }
-
-	    return _this;
-	  };
-
-
-	  _this.recent = () => {
-	    return presetCollection(
-	      utilArrayUniq(_this.getRecents().map(d => d.preset))
-	    );
-	  };
-
-
-	  function RibbonItem(preset, source) {
-	    let item = {};
-	    item.preset = preset;
-	    item.source = source;
-
-	    item.isFavorite = () => item.source === 'favorite';
-	    item.isRecent = () => item.source === 'recent';
-	    item.matches = (preset) => item.preset.id === preset.id;
-	    item.minified = () => ({ pID: item.preset.id });
-
-	    return item;
-	  }
-
-
-	  function ribbonItemForMinified(d, source) {
-	    if (d && d.pID) {
-	      const preset = _this.item(d.pID);
-	      if (!preset) return null;
-	      return RibbonItem(preset, source);
-	    }
-	    return null;
-	  }
-
-
-	  _this.getGenericRibbonItems = () => {
-	    return ['point', 'line', 'area'].map(id => RibbonItem(_this.item(id), 'generic'));
-	  };
-
-
-	  _this.getAddable = () => {
-	      if (!_addablePresetIDs) return [];
-
-	      return _addablePresetIDs.map((id) => {
-	        const preset = _this.item(id);
-	        if (preset) {
-	          return RibbonItem(preset, 'addable');
-	        }
-	      }).filter(Boolean);
-	  };
-
-
-	  function setRecents(items) {
-	    _recents = items;
-	    const minifiedItems = items.map(d => d.minified());
-	    corePreferences('preset_recents', JSON.stringify(minifiedItems));
-	    dispatch$1.call('recentsChange');
-	  }
-
-
-	  _this.getRecents = () => {
-	    if (!_recents) {
-	      // fetch from local storage
-	      _recents = (JSON.parse(corePreferences('preset_recents')) || [])
-	        .reduce((acc, d) => {
-	          let item = ribbonItemForMinified(d, 'recent');
-	          if (item && item.preset.addable()) acc.push(item);
-	          return acc;
-	        }, []);
-	    }
-	    return _recents;
-	  };
-
-
-	  _this.addRecent = (preset, besidePreset, after) => {
-	    const recents = _this.getRecents();
-
-	    const beforeItem = _this.recentMatching(besidePreset);
-	    let toIndex = recents.indexOf(beforeItem);
-	    if (after) toIndex += 1;
-
-	    const newItem = RibbonItem(preset, 'recent');
-	    recents.splice(toIndex, 0, newItem);
-	    setRecents(recents);
-	  };
-
-
-	  _this.removeRecent = (preset) => {
-	    const item = _this.recentMatching(preset);
-	    if (item) {
-	      let items = _this.getRecents();
-	      items.splice(items.indexOf(item), 1);
-	      setRecents(items);
-	    }
-	  };
-
-
-	  _this.recentMatching = (preset) => {
-	    const items = _this.getRecents();
-	    for (let i in items) {
-	      if (items[i].matches(preset)) {
-	        return items[i];
-	      }
-	    }
-	    return null;
-	  };
-
-
-	  _this.moveItem = (items, fromIndex, toIndex) => {
-	    if (fromIndex === toIndex ||
-	      fromIndex < 0 || toIndex < 0 ||
-	      fromIndex >= items.length || toIndex >= items.length
-	    ) return null;
-
-	    items.splice(toIndex, 0, items.splice(fromIndex, 1)[0]);
-	    return items;
-	  };
-
-
-	  _this.moveRecent = (item, beforeItem) => {
-	    const recents = _this.getRecents();
-	    const fromIndex = recents.indexOf(item);
-	    const toIndex = recents.indexOf(beforeItem);
-	    const items = _this.moveItem(recents, fromIndex, toIndex);
-	    if (items) setRecents(items);
-	  };
-
-
-	  _this.setMostRecent = (preset) => {
-	    if (preset.searchable === false) return;
-
-	    let items = _this.getRecents();
-	    let item = _this.recentMatching(preset);
-	    if (item) {
-	      items.splice(items.indexOf(item), 1);
-	    } else {
-	      item = RibbonItem(preset, 'recent');
-	    }
-
-	    // remove the last recent (first in, first out)
-	    while (items.length >= MAXRECENTS) {
-	      items.pop();
-	    }
-
-	    // prepend array
-	    items.unshift(item);
-	    setRecents(items);
-	  };
-
-	  function setFavorites(items) {
-	    _favorites = items;
-	    const minifiedItems = items.map(d => d.minified());
-	    corePreferences('preset_favorites', JSON.stringify(minifiedItems));
-
-	    // call update
-	    dispatch$1.call('favoritePreset');
-	  }
-
-	  _this.addFavorite = (preset, besidePreset, after) => {
-	      const favorites = _this.getFavorites();
-
-	      const beforeItem = _this.favoriteMatching(besidePreset);
-	      let toIndex = favorites.indexOf(beforeItem);
-	      if (after) toIndex += 1;
-
-	      const newItem = RibbonItem(preset, 'favorite');
-	      favorites.splice(toIndex, 0, newItem);
-	      setFavorites(favorites);
-	  };
-
-	  _this.toggleFavorite = (preset) => {
-	    const favs = _this.getFavorites();
-	    const favorite = _this.favoriteMatching(preset);
-	    if (favorite) {
-	      favs.splice(favs.indexOf(favorite), 1);
-	    } else {
-	      // only allow 10 favorites
-	      if (favs.length === 10) {
-	          // remove the last favorite (last in, first out)
-	          favs.pop();
-	      }
-	      // append array
-	      favs.push(RibbonItem(preset, 'favorite'));
-	    }
-	    setFavorites(favs);
-	  };
-
-
-	  _this.removeFavorite = (preset) => {
-	    const item = _this.favoriteMatching(preset);
-	    if (item) {
-	      const items = _this.getFavorites();
-	      items.splice(items.indexOf(item), 1);
-	      setFavorites(items);
-	    }
-	  };
-
-
-	  _this.getFavorites = () => {
-	    if (!_favorites) {
-
-	      // fetch from local storage
-	      let rawFavorites = JSON.parse(corePreferences('preset_favorites'));
-
-	      if (!rawFavorites) {
-	        rawFavorites = [];
-	        corePreferences('preset_favorites', JSON.stringify(rawFavorites));
-	      }
-
-	      _favorites = rawFavorites.reduce((output, d) => {
-	        const item = ribbonItemForMinified(d, 'favorite');
-	        if (item && item.preset.addable()) output.push(item);
-	        return output;
-	      }, []);
-	    }
-	    return _favorites;
-	  };
-
-
-	  _this.favoriteMatching = (preset) => {
-	    const favs = _this.getFavorites();
-	    for (let index in favs) {
-	      if (favs[index].matches(preset)) {
-	        return favs[index];
-	      }
-	    }
-	    return null;
-	  };
-
-
-	  return utilRebind(_this, dispatch$1, 'on');
-	}
-
-	function utilTagText(entity) {
-	    var obj = (entity && entity.tags) || {};
-	    return Object.keys(obj)
-	        .map(function(k) { return k + '=' + obj[k]; })
-	        .join(', ');
-	}
-
-
-	function utilTotalExtent(array, graph) {
-	    var extent = geoExtent();
-	    var val, entity;
-	    for (var i = 0; i < array.length; i++) {
-	        val = array[i];
-	        entity = typeof val === 'string' ? graph.hasEntity(val) : val;
-	        if (entity) {
-	            extent._extend(entity.extent(graph));
-	        }
-	    }
-	    return extent;
-	}
-
-
-	function utilTagDiff(oldTags, newTags) {
-	    var tagDiff = [];
-	    var keys = utilArrayUnion(Object.keys(oldTags), Object.keys(newTags)).sort();
-	    keys.forEach(function(k) {
-	        var oldVal = oldTags[k];
-	        var newVal = newTags[k];
-
-	        if ((oldVal || oldVal === '') && (newVal === undefined || newVal !== oldVal)) {
-	            tagDiff.push({
-	                type: '-',
-	                key: k,
-	                oldVal: oldVal,
-	                newVal: newVal,
-	                display: '- ' + k + '=' + oldVal
-	            });
-	        }
-	        if ((newVal || newVal === '') && (oldVal === undefined || newVal !== oldVal)) {
-	            tagDiff.push({
-	                type: '+',
-	                key: k,
-	                oldVal: oldVal,
-	                newVal: newVal,
-	                display: '+ ' + k + '=' + newVal
-	            });
-	        }
-	    });
-	    return tagDiff;
-	}
-
-
-	function utilEntitySelector(ids) {
-	    return ids.length ? '.' + ids.join(',.') : 'nothing';
-	}
-
-
-	// returns an selector to select entity ids for:
-	//  - entityIDs passed in
-	//  - shallow descendant entityIDs for any of those entities that are relations
-	function utilEntityOrMemberSelector(ids, graph) {
-	    var seen = new Set(ids);
-	    ids.forEach(collectShallowDescendants);
-	    return utilEntitySelector(Array.from(seen));
-
-	    function collectShallowDescendants(id) {
-	        var entity = graph.hasEntity(id);
-	        if (!entity || entity.type !== 'relation') return;
-
-	        entity.members
-	            .map(function(member) { return member.id; })
-	            .forEach(function(id) { seen.add(id); });
-	    }
-	}
-
-
-	// returns an selector to select entity ids for:
-	//  - entityIDs passed in
-	//  - deep descendant entityIDs for any of those entities that are relations
-	function utilEntityOrDeepMemberSelector(ids, graph) {
-	    return utilEntitySelector(utilEntityAndDeepMemberIDs(ids, graph));
-	}
-
-
-	// returns an selector to select entity ids for:
-	//  - entityIDs passed in
-	//  - deep descendant entityIDs for any of those entities that are relations
-	function utilEntityAndDeepMemberIDs(ids, graph) {
-	    var seen = new Set();
-	    ids.forEach(collectDeepDescendants);
-	    return Array.from(seen);
-
-	    function collectDeepDescendants(id) {
-	        if (seen.has(id)) return;
-	        seen.add(id);
-
-	        var entity = graph.hasEntity(id);
-	        if (!entity || entity.type !== 'relation') return;
-
-	        entity.members
-	            .map(function(member) { return member.id; })
-	            .forEach(collectDeepDescendants);   // recurse
-	    }
-	}
-
-	// returns an selector to select entity ids for:
-	//  - deep descendant entityIDs for any of those entities that are relations
-	function utilDeepMemberSelector(ids, graph, skipMultipolgonMembers) {
-	    var idsSet = new Set(ids);
-	    var seen = new Set();
-	    var returners = new Set();
-	    ids.forEach(collectDeepDescendants);
-	    return utilEntitySelector(Array.from(returners));
-
-	    function collectDeepDescendants(id) {
-	        if (seen.has(id)) return;
-	        seen.add(id);
-
-	        if (!idsSet.has(id)) {
-	            returners.add(id);
-	        }
-
-	        var entity = graph.hasEntity(id);
-	        if (!entity || entity.type !== 'relation') return;
-	        if (skipMultipolgonMembers && entity.isMultipolygon()) return;
-	        entity.members
-	            .map(function(member) { return member.id; })
-	            .forEach(collectDeepDescendants);   // recurse
-	    }
-	}
-
-
-	// Adds or removes highlight styling for the specified entities
-	function utilHighlightEntities(ids, highlighted, context) {
-	    context.surface()
-	        .selectAll(utilEntityOrDeepMemberSelector(ids, context.graph()))
-	        .classed('highlighted', highlighted);
-	}
-
-
-	// returns an Array that is the union of:
-	//  - nodes for any nodeIDs passed in
-	//  - child nodes of any wayIDs passed in
-	//  - descendant member and child nodes of relationIDs passed in
-	function utilGetAllNodes(ids, graph) {
-	    var seen = new Set();
-	    var nodes = new Set();
-
-	    ids.forEach(collectNodes);
-	    return Array.from(nodes);
-
-	    function collectNodes(id) {
-	        if (seen.has(id)) return;
-	        seen.add(id);
-
-	        var entity = graph.hasEntity(id);
-	        if (!entity) return;
-
-	        if (entity.type === 'node') {
-	            nodes.add(entity);
-	        } else if (entity.type === 'way') {
-	            entity.nodes.forEach(collectNodes);
-	        } else {
-	            entity.members
-	                .map(function(member) { return member.id; })
-	                .forEach(collectNodes);   // recurse
-	        }
-	    }
-	}
-
-
-	function utilDisplayName(entity) {
-	    var localizedNameKey = 'name:' + _mainLocalizer.languageCode().toLowerCase();
-	    var name = entity.tags[localizedNameKey] || entity.tags.name || '';
-	    var network = entity.tags.cycle_network || entity.tags.network;
-
-	    if (!name && entity.tags.ref) {
-	        name = entity.tags.ref;
-	        if (network) {
-	            name = network + ' ' + name;
-	        }
-	    }
-
-	    return name;
-	}
-
-
-	function utilDisplayNameForPath(entity) {
-	    var name = utilDisplayName(entity);
-	    var isFirefox = utilDetect().browser.toLowerCase().indexOf('firefox') > -1;
-
-	    if (!isFirefox && name && rtlRegex.test(name)) {
-	        name = fixRTLTextForSvg(name);
-	    }
-
-	    return name;
-	}
-
-
-	function utilDisplayType(id) {
-	    return {
-	        n: _t('inspector.node'),
-	        w: _t('inspector.way'),
-	        r: _t('inspector.relation')
-	    }[id.charAt(0)];
-	}
-
-
-	function utilDisplayLabel(entity, graph) {
-	    var displayName = utilDisplayName(entity);
-	    if (displayName) {
-	        // use the display name if there is one
-	        return displayName;
-	    }
-	    var preset = _mainPresetIndex.match(entity, graph);
-	    if (preset && preset.name()) {
-	        // use the preset name if there is a match
-	        return preset.name();
-	    }
-	    // fallback to the display type (node/way/relation)
-	    return utilDisplayType(entity.id);
-	}
-
-
-	function utilEntityRoot(entityType) {
-	    return {
-	        node: 'n',
-	        way: 'w',
-	        relation: 'r'
-	    }[entityType];
-	}
-
-
-	// Returns a single object containing the tags of all the given entities.
-	// Example:
-	// {
-	//   highway: 'service',
-	//   service: 'parking_aisle'
-	// }
-	//           +
-	// {
-	//   highway: 'service',
-	//   service: 'driveway',
-	//   width: '3'
-	// }
-	//           =
-	// {
-	//   highway: 'service',
-	//   service: [ 'driveway', 'parking_aisle' ],
-	//   width: [ '3', undefined ]
-	// }
-	function utilCombinedTags(entityIDs, graph) {
-
-	    var tags = {};
-	    var tagCounts = {};
-	    var allKeys = new Set();
-
-	    var entities = entityIDs.map(function(entityID) {
-	        return graph.hasEntity(entityID);
-	    }).filter(Boolean);
-
-	    // gather the aggregate keys
-	    entities.forEach(function(entity) {
-	        var keys = Object.keys(entity.tags).filter(Boolean);
-	        keys.forEach(function(key) {
-	            allKeys.add(key);
-	        });
-	    });
-
-	    entities.forEach(function(entity) {
-
-	        allKeys.forEach(function(key) {
-
-	            var value = entity.tags[key]; // purposely allow `undefined`
-
-	            if (!tags.hasOwnProperty(key)) {
-	                // first value, set as raw
-	                tags[key] = value;
-	            } else {
-	                if (!Array.isArray(tags[key])) {
-	                    if (tags[key] !== value) {
-	                        // first alternate value, replace single value with array
-	                        tags[key] = [tags[key], value];
-	                    }
-	                } else { // type is array
-	                    if (tags[key].indexOf(value) === -1) {
-	                        // subsequent alternate value, add to array
-	                        tags[key].push(value);
-	                    }
-	                }
-	            }
-
-	            var tagHash = key + '=' + value;
-	            if (!tagCounts[tagHash]) tagCounts[tagHash] = 0;
-	            tagCounts[tagHash] += 1;
-	        });
-	    });
-
-	    for (var key in tags) {
-	        if (!Array.isArray(tags[key])) continue;
-
-	        // sort values by frequency then alphabetically
-	        tags[key] = tags[key].sort(function(val1, val2) {
-	            var key = key; // capture
-	            var count2 = tagCounts[key + '=' + val2];
-	            var count1 = tagCounts[key + '=' + val1];
-	            if (count2 !== count1) {
-	                return count2 - count1;
-	            }
-	            if (val2 && val1) {
-	                return val1.localeCompare(val2);
-	            }
-	            return val1 ? 1 : -1;
-	        });
-	    }
-
-	    return tags;
-	}
-
-
-	function utilStringQs(str) {
-	    var i = 0;  // advance past any leading '?' or '#' characters
-	    while (i < str.length && (str[i] === '?' || str[i] === '#')) i++;
-	    str = str.slice(i);
-
-	    return str.split('&').reduce(function(obj, pair){
-	        var parts = pair.split('=');
-	        if (parts.length === 2) {
-	            obj[parts[0]] = (null === parts[1]) ? '' : decodeURIComponent(parts[1]);
-	        }
-	        return obj;
-	    }, {});
-	}
-
-
-	function utilQsString(obj, noencode) {
-	    // encode everything except special characters used in certain hash parameters:
-	    // "/" in map states, ":", ",", {" and "}" in background
-	    function softEncode(s) {
-	        return encodeURIComponent(s).replace(/(%2F|%3A|%2C|%7B|%7D)/g, decodeURIComponent);
-	    }
-
-	    return Object.keys(obj).sort().map(function(key) {
-	        return encodeURIComponent(key) + '=' + (
-	            noencode ? softEncode(obj[key]) : encodeURIComponent(obj[key]));
-	    }).join('&');
-	}
-
-
-	function utilPrefixDOMProperty(property) {
-	    var prefixes = ['webkit', 'ms', 'moz', 'o'];
-	    var i = -1;
-	    var n = prefixes.length;
-	    var s = document.body;
-
-	    if (property in s)
-	        return property;
-
-	    property = property.substr(0, 1).toUpperCase() + property.substr(1);
-
-	    while (++i < n) {
-	        if (prefixes[i] + property in s) {
-	            return prefixes[i] + property;
-	        }
-	    }
-
-	    return false;
-	}
-
-
-	function utilPrefixCSSProperty(property) {
-	    var prefixes = ['webkit', 'ms', 'Moz', 'O'];
-	    var i = -1;
-	    var n = prefixes.length;
-	    var s = document.body.style;
-
-	    if (property.toLowerCase() in s) {
-	        return property.toLowerCase();
-	    }
-
-	    while (++i < n) {
-	        if (prefixes[i] + property in s) {
-	            return '-' + prefixes[i].toLowerCase() + property.replace(/([A-Z])/g, '-$1').toLowerCase();
-	        }
-	    }
-
-	    return false;
-	}
-
-
-	var transformProperty;
-	function utilSetTransform(el, x, y, scale) {
-	    var prop = transformProperty = transformProperty || utilPrefixCSSProperty('Transform');
-	    var translate = utilDetect().opera ? 'translate('   + x + 'px,' + y + 'px)'
-	        : 'translate3d(' + x + 'px,' + y + 'px,0)';
-	    return el.style(prop, translate + (scale ? ' scale(' + scale + ')' : ''));
-	}
-
-
-	// Calculates Levenshtein distance between two strings
-	// see:  https://en.wikipedia.org/wiki/Levenshtein_distance
-	// first converts the strings to lowercase and replaces diacritic marks with ascii equivalents.
-	function utilEditDistance(a, b) {
-	    a = remove$1(a.toLowerCase());
-	    b = remove$1(b.toLowerCase());
-	    if (a.length === 0) return b.length;
-	    if (b.length === 0) return a.length;
-	    var matrix = [];
-	    for (var i = 0; i <= b.length; i++) { matrix[i] = [i]; }
-	    for (var j = 0; j <= a.length; j++) { matrix[0][j] = j; }
-	    for (i = 1; i <= b.length; i++) {
-	        for (j = 1; j <= a.length; j++) {
-	            if (b.charAt(i-1) === a.charAt(j-1)) {
-	                matrix[i][j] = matrix[i-1][j-1];
-	            } else {
-	                matrix[i][j] = Math.min(matrix[i-1][j-1] + 1, // substitution
-	                    Math.min(matrix[i][j-1] + 1, // insertion
-	                    matrix[i-1][j] + 1)); // deletion
-	            }
-	        }
-	    }
-	    return matrix[b.length][a.length];
-	}
-
-
-	// a d3.mouse-alike which
-	// 1. Only works on HTML elements, not SVG
-	// 2. Does not cause style recalculation
-	function utilFastMouse(container) {
-	    var rect = container.getBoundingClientRect();
-	    var rectLeft = rect.left;
-	    var rectTop = rect.top;
-	    var clientLeft = +container.clientLeft;
-	    var clientTop = +container.clientTop;
-	    return function(e) {
-	        return [
-	            e.clientX - rectLeft - clientLeft,
-	            e.clientY - rectTop - clientTop];
-	    };
-	}
-
-
-	function utilAsyncMap(inputs, func, callback) {
-	    var remaining = inputs.length;
-	    var results = [];
-	    var errors = [];
-
-	    inputs.forEach(function(d, i) {
-	        func(d, function done(err, data) {
-	            errors[i] = err;
-	            results[i] = data;
-	            remaining--;
-	            if (!remaining) callback(errors, results);
-	        });
-	    });
-	}
-
-
-	// wraps an index to an interval [0..length-1]
-	function utilWrap(index, length) {
-	    if (index < 0) {
-	        index += Math.ceil(-index/length)*length;
-	    }
-	    return index % length;
-	}
-
-
-	/**
-	 * a replacement for functor
-	 *
-	 * @param {*} value any value
-	 * @returns {Function} a function that returns that value or the value if it's a function
-	 */
-	function utilFunctor(value) {
-	    if (typeof value === 'function') return value;
-	    return function() {
-	        return value;
-	    };
-	}
-
-
-	function utilNoAuto(selection) {
-	    var isText = (selection.size() && selection.node().tagName.toLowerCase() === 'textarea');
-
-	    return selection
-	        // assign 'new-password' even for non-password fields to prevent browsers (Chrome) ignoring 'off'
-	        .attr('autocomplete', 'new-password')
-	        .attr('autocorrect', 'off')
-	        .attr('autocapitalize', 'off')
-	        .attr('spellcheck', isText ? 'true' : 'false');
-	}
-
-
-	// https://stackoverflow.com/questions/194846/is-there-any-kind-of-hash-code-function-in-javascript
-	// https://werxltd.com/wp/2010/05/13/javascript-implementation-of-javas-string-hashcode-method/
-	function utilHashcode(str) {
-	    var hash = 0;
-	    if (str.length === 0) {
-	        return hash;
-	    }
-	    for (var i = 0; i < str.length; i++) {
-	        var char = str.charCodeAt(i);
-	        hash = ((hash << 5) - hash) + char;
-	        hash = hash & hash; // Convert to 32bit integer
-	    }
-	    return hash;
-	}
-
-	// Returns version of `str` with all runs of special characters replaced by `_`;
-	// suitable for HTML ids, classes, selectors, etc.
-	function utilSafeClassName(str) {
-	    return str.toLowerCase().replace(/[^a-z0-9]+/g, '_');
-	}
-
-	// Returns string based on `val` that is highly unlikely to collide with an id
-	// used previously or that's present elsewhere in the document. Useful for preventing
-	// browser-provided autofills or when embedding iD on pages with unknown elements.
-	function utilUniqueDomId(val) {
-	    return 'ideditor-' + utilSafeClassName(val.toString()) + '-' + new Date().getTime().toString();
-	}
-
-	// Returns the length of `str` in unicode characters. This can be less than
-	// `String.length()` since a single unicode character can be composed of multiple
-	// JavaScript UTF-16 code units.
-	function utilUnicodeCharsCount(str) {
-	    // Native ES2015 implementations of `Array.from` split strings into unicode characters
-	    return Array.from(str).length;
-	}
-
-	// Returns a new string representing `str` cut from its start to `limit` length
-	// in unicode characters. Note that this runs the risk of splitting graphemes.
-	function utilUnicodeCharsTruncated(str, limit) {
-	    return Array.from(str).slice(0, limit).join('');
-	}
-
-	function osmEntity(attrs) {
-	    // For prototypal inheritance.
-	    if (this instanceof osmEntity) return;
-
-	    // Create the appropriate subtype.
-	    if (attrs && attrs.type) {
-	        return osmEntity[attrs.type].apply(this, arguments);
-	    } else if (attrs && attrs.id) {
-	        return osmEntity[osmEntity.id.type(attrs.id)].apply(this, arguments);
-	    }
-
-	    // Initialize a generic Entity (used only in tests).
-	    return (new osmEntity()).initialize(arguments);
-	}
-
-
-	osmEntity.id = function(type) {
-	    return osmEntity.id.fromOSM(type, osmEntity.id.next[type]--);
-	};
-
-
-	osmEntity.id.next = {
-	    changeset: -1, node: -1, way: -1, relation: -1
-	};
-
-
-	osmEntity.id.fromOSM = function(type, id) {
-	    return type[0] + id;
-	};
-
-
-	osmEntity.id.toOSM = function(id) {
-	    return id.slice(1);
-	};
-
-
-	osmEntity.id.type = function(id) {
-	    return { 'c': 'changeset', 'n': 'node', 'w': 'way', 'r': 'relation' }[id[0]];
-	};
-
-
-	// A function suitable for use as the second argument to d3.selection#data().
-	osmEntity.key = function(entity) {
-	    return entity.id + 'v' + (entity.v || 0);
-	};
-
-	var _deprecatedTagValuesByKey;
-
-	osmEntity.deprecatedTagValuesByKey = function(dataDeprecated) {
-	    if (!_deprecatedTagValuesByKey) {
-	        _deprecatedTagValuesByKey = {};
-	        dataDeprecated.forEach(function(d) {
-	            var oldKeys = Object.keys(d.old);
-	            if (oldKeys.length === 1) {
-	                var oldKey = oldKeys[0];
-	                var oldValue = d.old[oldKey];
-	                if (oldValue !== '*') {
-	                    if (!_deprecatedTagValuesByKey[oldKey]) {
-	                        _deprecatedTagValuesByKey[oldKey] = [oldValue];
-	                    } else {
-	                        _deprecatedTagValuesByKey[oldKey].push(oldValue);
-	                    }
-	                }
-	            }
-	        });
-	    }
-	    return _deprecatedTagValuesByKey;
-	};
-
-
-	osmEntity.prototype = {
-
-	    tags: {},
-
-
-	    initialize: function(sources) {
-	        for (var i = 0; i < sources.length; ++i) {
-	            var source = sources[i];
-	            for (var prop in source) {
-	                if (Object.prototype.hasOwnProperty.call(source, prop)) {
-	                    if (source[prop] === undefined) {
-	                        delete this[prop];
-	                    } else {
-	                        this[prop] = source[prop];
-	                    }
-	                }
-	            }
-	        }
-
-	        if (!this.id && this.type) {
-	            this.id = osmEntity.id(this.type);
-	        }
-	        if (!this.hasOwnProperty('visible')) {
-	            this.visible = true;
-	        }
-
-	        return this;
-	    },
-
-
-	    copy: function(resolver, copies) {
-	        if (copies[this.id])
-	            return copies[this.id];
-
-	        var copy = osmEntity(this, { id: undefined, user: undefined, version: undefined });
-	        copies[this.id] = copy;
-
-	        return copy;
-	    },
-
-
-	    osmId: function() {
-	        return osmEntity.id.toOSM(this.id);
-	    },
-
-
-	    isNew: function() {
-	        return this.osmId() < 0;
-	    },
-
-
-	    update: function(attrs) {
-	        return osmEntity(this, attrs, { v: 1 + (this.v || 0) });
-	    },
-
-
-	    mergeTags: function(tags) {
-	        var merged = Object.assign({}, this.tags);   // shallow copy
-	        var changed = false;
-	        for (var k in tags) {
-	            var t1 = merged[k];
-	            var t2 = tags[k];
-	            if (!t1) {
-	                changed = true;
-	                merged[k] = t2;
-	            } else if (t1 !== t2) {
-	                changed = true;
-	                merged[k] = utilUnicodeCharsTruncated(
-	                    utilArrayUnion(t1.split(/;\s*/), t2.split(/;\s*/)).join(';'),
-	                    255 // avoid exceeding character limit; see also services/osm.js -> maxCharsForTagValue()
-	                );
-	            }
-	        }
-	        return changed ? this.update({ tags: merged }) : this;
-	    },
-
-
-	    intersects: function(extent, resolver) {
-	        return this.extent(resolver).intersects(extent);
-	    },
-
-
-	    hasNonGeometryTags: function() {
-	        return Object.keys(this.tags).some(function(k) { return k !== 'area'; });
-	    },
-
-	    hasParentRelations: function(resolver) {
-	        return resolver.parentRelations(this).length > 0;
-	    },
-
-	    hasInterestingTags: function() {
-	        return Object.keys(this.tags).some(osmIsInterestingTag);
-	    },
-
-	    hasWikidata: function() {
-	        return !!this.tags.wikidata || !!this.tags['brand:wikidata'];
-	    },
-
-	    isHighwayIntersection: function() {
-	        return false;
-	    },
-
-	    isDegenerate: function() {
-	        return true;
-	    },
-
-	    deprecatedTags: function(dataDeprecated) {
-	        var tags = this.tags;
-
-	        // if there are no tags, none can be deprecated
-	        if (Object.keys(tags).length === 0) return [];
-
-	        var deprecated = [];
-	        dataDeprecated.forEach(function(d) {
-	            var oldKeys = Object.keys(d.old);
-	            var matchesDeprecatedTags = oldKeys.every(function(oldKey) {
-	                if (!tags[oldKey]) return false;
-	                if (d.old[oldKey] === '*') return true;
-
-	                var vals = tags[oldKey].split(';').filter(Boolean);
-	                if (vals.length === 0) {
-	                    return false;
-	                } else if (vals.length > 1) {
-	                    return vals.indexOf(d.old[oldKey]) !== -1;
-	                } else {
-	                    if (tags[oldKey] === d.old[oldKey]) {
-	                        if (d.replace && d.old[oldKey] === d.replace[oldKey]) {
-	                            var replaceKeys = Object.keys(d.replace);
-	                            return !replaceKeys.every(function(replaceKey) {
-	                                return tags[replaceKey] === d.replace[replaceKey];
-	                            });
-	                        } else {
-	                            return true;
-	                        }
-	                    }
-	                }
-	                return false;
-	            });
-	            if (matchesDeprecatedTags) {
-	                deprecated.push(d);
-	            }
-	        });
-
-	        return deprecated;
-	    }
-	};
-
-	function osmLanes(entity) {
-	    if (entity.type !== 'way') return null;
-	    if (!entity.tags.highway) return null;
-
-	    var tags = entity.tags;
-	    var isOneWay = entity.isOneWay();
-	    var laneCount = getLaneCount(tags, isOneWay);
-	    var maxspeed = parseMaxspeed(tags);
-
-	    var laneDirections = parseLaneDirections(tags, isOneWay, laneCount);
-	    var forward = laneDirections.forward;
-	    var backward = laneDirections.backward;
-	    var bothways = laneDirections.bothways;
-
-	    // parse the piped string 'x|y|z' format
-	    var turnLanes = {};
-	    turnLanes.unspecified = parseTurnLanes(tags['turn:lanes']);
-	    turnLanes.forward = parseTurnLanes(tags['turn:lanes:forward']);
-	    turnLanes.backward = parseTurnLanes(tags['turn:lanes:backward']);
-
-	    var maxspeedLanes = {};
-	    maxspeedLanes.unspecified = parseMaxspeedLanes(tags['maxspeed:lanes'], maxspeed);
-	    maxspeedLanes.forward = parseMaxspeedLanes(tags['maxspeed:lanes:forward'], maxspeed);
-	    maxspeedLanes.backward = parseMaxspeedLanes(tags['maxspeed:lanes:backward'], maxspeed);
-
-	    var psvLanes = {};
-	    psvLanes.unspecified = parseMiscLanes(tags['psv:lanes']);
-	    psvLanes.forward = parseMiscLanes(tags['psv:lanes:forward']);
-	    psvLanes.backward = parseMiscLanes(tags['psv:lanes:backward']);
-
-	    var busLanes = {};
-	    busLanes.unspecified = parseMiscLanes(tags['bus:lanes']);
-	    busLanes.forward = parseMiscLanes(tags['bus:lanes:forward']);
-	    busLanes.backward = parseMiscLanes(tags['bus:lanes:backward']);
-
-	    var taxiLanes = {};
-	    taxiLanes.unspecified = parseMiscLanes(tags['taxi:lanes']);
-	    taxiLanes.forward = parseMiscLanes(tags['taxi:lanes:forward']);
-	    taxiLanes.backward = parseMiscLanes(tags['taxi:lanes:backward']);
-
-	    var hovLanes = {};
-	    hovLanes.unspecified = parseMiscLanes(tags['hov:lanes']);
-	    hovLanes.forward = parseMiscLanes(tags['hov:lanes:forward']);
-	    hovLanes.backward = parseMiscLanes(tags['hov:lanes:backward']);
-
-	    var hgvLanes = {};
-	    hgvLanes.unspecified = parseMiscLanes(tags['hgv:lanes']);
-	    hgvLanes.forward = parseMiscLanes(tags['hgv:lanes:forward']);
-	    hgvLanes.backward = parseMiscLanes(tags['hgv:lanes:backward']);
-
-	    var bicyclewayLanes = {};
-	    bicyclewayLanes.unspecified = parseBicycleWay(tags['bicycleway:lanes']);
-	    bicyclewayLanes.forward = parseBicycleWay(tags['bicycleway:lanes:forward']);
-	    bicyclewayLanes.backward = parseBicycleWay(tags['bicycleway:lanes:backward']);
-
-	    var lanesObj = {
-	        forward: [],
-	        backward: [],
-	        unspecified: []
-	    };
-
-	    // map forward/backward/unspecified of each lane type to lanesObj
-	    mapToLanesObj(lanesObj, turnLanes, 'turnLane');
-	    mapToLanesObj(lanesObj, maxspeedLanes, 'maxspeed');
-	    mapToLanesObj(lanesObj, psvLanes, 'psv');
-	    mapToLanesObj(lanesObj, busLanes, 'bus');
-	    mapToLanesObj(lanesObj, taxiLanes, 'taxi');
-	    mapToLanesObj(lanesObj, hovLanes, 'hov');
-	    mapToLanesObj(lanesObj, hgvLanes, 'hgv');
-	    mapToLanesObj(lanesObj, bicyclewayLanes, 'bicycleway');
-
-	    return {
-	        metadata: {
-	            count: laneCount,
-	            oneway: isOneWay,
-	            forward: forward,
-	            backward: backward,
-	            bothways: bothways,
-	            turnLanes: turnLanes,
-	            maxspeed: maxspeed,
-	            maxspeedLanes: maxspeedLanes,
-	            psvLanes: psvLanes,
-	            busLanes: busLanes,
-	            taxiLanes: taxiLanes,
-	            hovLanes: hovLanes,
-	            hgvLanes: hgvLanes,
-	            bicyclewayLanes: bicyclewayLanes
-	        },
-	        lanes: lanesObj
-	    };
-	}
-
-
-	function getLaneCount(tags, isOneWay) {
-	    var count;
-	    if (tags.lanes) {
-	        count = parseInt(tags.lanes, 10);
-	        if (count > 0) {
-	            return count;
-	        }
-	    }
-
-
-	    switch (tags.highway) {
-	        case 'trunk':
-	        case 'motorway':
-	            count = isOneWay ? 2 : 4;
-	            break;
-	        default:
-	            count = isOneWay ? 1 : 2;
-	            break;
-	    }
-
-	    return count;
-	}
-
-
-	function parseMaxspeed(tags) {
-	    var maxspeed = tags.maxspeed;
-	    if (!maxspeed) return;
-
-	    var maxspeedRegex = /^([0-9][\.0-9]+?)(?:[ ]?(?:km\/h|kmh|kph|mph|knots))?$/;
-	    if (!maxspeedRegex.test(maxspeed)) return;
-
-	    return parseInt(maxspeed, 10);
-	}
-
-
-	function parseLaneDirections(tags, isOneWay, laneCount) {
-	    var forward = parseInt(tags['lanes:forward'], 10);
-	    var backward = parseInt(tags['lanes:backward'], 10);
-	    var bothways = parseInt(tags['lanes:both_ways'], 10) > 0 ? 1 : 0;
-
-	    if (parseInt(tags.oneway, 10) === -1) {
-	        forward = 0;
-	        bothways = 0;
-	        backward = laneCount;
-	    }
-	    else if (isOneWay) {
-	        forward = laneCount;
-	        bothways = 0;
-	        backward = 0;
-	    }
-	    else if (isNaN(forward) && isNaN(backward)) {
-	        backward = Math.floor((laneCount - bothways) / 2);
-	        forward = laneCount - bothways - backward;
-	    }
-	    else if (isNaN(forward)) {
-	        if (backward > laneCount - bothways) {
-	            backward = laneCount - bothways;
-	        }
-	        forward = laneCount - bothways - backward;
-	    }
-	    else if (isNaN(backward)) {
-	        if (forward > laneCount - bothways) {
-	            forward = laneCount - bothways;
-	        }
-	        backward = laneCount - bothways - forward;
-	    }
-	    return {
-	        forward: forward,
-	        backward: backward,
-	        bothways: bothways
-	    };
-	}
-
-
-	function parseTurnLanes(tag){
-	    if (!tag) return;
-
-	    var validValues = [
-	        'left', 'slight_left', 'sharp_left', 'through', 'right', 'slight_right',
-	        'sharp_right', 'reverse', 'merge_to_left', 'merge_to_right', 'none'
-	    ];
-
-	    return tag.split('|')
-	        .map(function (s) {
-	            if (s === '') s = 'none';
-	            return s.split(';')
-	                .map(function (d) {
-	                    return validValues.indexOf(d) === -1 ? 'unknown': d;
-	                });
-	        });
-	}
-
-
-	function parseMaxspeedLanes(tag, maxspeed) {
-	    if (!tag) return;
-
-	    return tag.split('|')
-	        .map(function (s) {
-	            if (s === 'none') return s;
-	            var m = parseInt(s, 10);
-	            if (s === '' || m === maxspeed) return null;
-	            return isNaN(m) ? 'unknown': m;
-	        });
-	}
-
-
-	function parseMiscLanes(tag) {
-	    if (!tag) return;
-
-	    var validValues = [
-	        'yes', 'no', 'designated'
-	    ];
-
-	    return tag.split('|')
-	        .map(function (s) {
-	            if (s === '') s = 'no';
-	            return validValues.indexOf(s) === -1 ? 'unknown': s;
-	        });
-	}
-
-
-	function parseBicycleWay(tag) {
-	    if (!tag) return;
-
-	    var validValues = [
-	        'yes', 'no', 'designated', 'lane'
-	    ];
-
-	    return tag.split('|')
-	        .map(function (s) {
-	            if (s === '') s = 'no';
-	            return validValues.indexOf(s) === -1 ? 'unknown': s;
-	        });
-	}
-
-
-	function mapToLanesObj(lanesObj, data, key) {
-	    if (data.forward) data.forward.forEach(function(l, i) {
-	        if (!lanesObj.forward[i]) lanesObj.forward[i] = {};
-	        lanesObj.forward[i][key] = l;
-	    });
-	    if (data.backward) data.backward.forEach(function(l, i) {
-	        if (!lanesObj.backward[i]) lanesObj.backward[i] = {};
-	        lanesObj.backward[i][key] = l;
-	    });
-	    if (data.unspecified) data.unspecified.forEach(function(l, i) {
-	        if (!lanesObj.unspecified[i]) lanesObj.unspecified[i] = {};
-	        lanesObj.unspecified[i][key] = l;
-	    });
-	}
-
-	function osmWay() {
-	    if (!(this instanceof osmWay)) {
-	        return (new osmWay()).initialize(arguments);
-	    } else if (arguments.length) {
-	        this.initialize(arguments);
-	    }
-	}
-
-
-	osmEntity.way = osmWay;
-
-	osmWay.prototype = Object.create(osmEntity.prototype);
-
-
-	Object.assign(osmWay.prototype, {
-	    type: 'way',
-	    nodes: [],
-
-
-	    copy: function(resolver, copies) {
-	        if (copies[this.id]) return copies[this.id];
-
-	        var copy = osmEntity.prototype.copy.call(this, resolver, copies);
-
-	        var nodes = this.nodes.map(function(id) {
-	            return resolver.entity(id).copy(resolver, copies).id;
-	        });
-
-	        copy = copy.update({ nodes: nodes });
-	        copies[this.id] = copy;
-
-	        return copy;
-	    },
-
-
-	    extent: function(resolver) {
-	        return resolver.transient(this, 'extent', function() {
-	            var extent = geoExtent();
-	            for (var i = 0; i < this.nodes.length; i++) {
-	                var node = resolver.hasEntity(this.nodes[i]);
-	                if (node) {
-	                    extent._extend(node.extent());
-	                }
-	            }
-	            return extent;
-	        });
-	    },
-
-
-	    first: function() {
-	        return this.nodes[0];
-	    },
-
-
-	    last: function() {
-	        return this.nodes[this.nodes.length - 1];
-	    },
-
-
-	    contains: function(node) {
-	        return this.nodes.indexOf(node) >= 0;
-	    },
-
-
-	    affix: function(node) {
-	        if (this.nodes[0] === node) return 'prefix';
-	        if (this.nodes[this.nodes.length - 1] === node) return 'suffix';
-	    },
-
-
-	    layer: function() {
-	        // explicit layer tag, clamp between -10, 10..
-	        if (isFinite(this.tags.layer)) {
-	            return Math.max(-10, Math.min(+(this.tags.layer), 10));
-	        }
-
-	        // implied layer tag..
-	        if (this.tags.covered === 'yes') return -1;
-	        if (this.tags.location === 'overground') return 1;
-	        if (this.tags.location === 'underground') return -1;
-	        if (this.tags.location === 'underwater') return -10;
-
-	        if (this.tags.power === 'line') return 10;
-	        if (this.tags.power === 'minor_line') return 10;
-	        if (this.tags.aerialway) return 10;
-	        if (this.tags.bridge) return 1;
-	        if (this.tags.cutting) return -1;
-	        if (this.tags.tunnel) return -1;
-	        if (this.tags.waterway) return -1;
-	        if (this.tags.man_made === 'pipeline') return -10;
-	        if (this.tags.boundary) return -10;
-	        return 0;
-	    },
-
-
-	    // the approximate width of the line based on its tags except its `width` tag
-	    impliedLineWidthMeters: function() {
-	        var averageWidths = {
-	            highway: { // width is for single lane
-	                motorway: 5, motorway_link: 5, trunk: 4.5, trunk_link: 4.5,
-	                primary: 4, secondary: 4, tertiary: 4,
-	                primary_link: 4, secondary_link: 4, tertiary_link: 4,
-	                unclassified: 4, road: 4, living_street: 4, bus_guideway: 4, pedestrian: 4,
-	                residential: 3.5, service: 3.5, track: 3, cycleway: 2.5,
-	                bridleway: 2, corridor: 2, steps: 2, path: 1.5, footway: 1.5
-	            },
-	            railway: { // width includes ties and rail bed, not just track gauge
-	                rail: 2.5, light_rail: 2.5, tram: 2.5, subway: 2.5,
-	                monorail: 2.5, funicular: 2.5, disused: 2.5, preserved: 2.5,
-	                miniature: 1.5, narrow_gauge: 1.5
-	            },
-	            waterway: {
-	                river: 50, canal: 25, stream: 5, tidal_channel: 5, fish_pass: 2.5, drain: 2.5, ditch: 1.5
-	            }
-	        };
-	        for (var key in averageWidths) {
-	            if (this.tags[key] && averageWidths[key][this.tags[key]]) {
-	                var width = averageWidths[key][this.tags[key]];
-	                if (key === 'highway') {
-	                    var laneCount = this.tags.lanes && parseInt(this.tags.lanes, 10);
-	                    if (!laneCount) laneCount = this.isOneWay() ? 1 : 2;
-
-	                    return width * laneCount;
-	                }
-	                return width;
-	            }
-	        }
-	        return null;
-	    },
-
-
-	    isOneWay: function() {
-	        // explicit oneway tag..
-	        var values = {
-	            'yes': true,
-	            '1': true,
-	            '-1': true,
-	            'reversible': true,
-	            'alternating': true,
-	            'no': false,
-	            '0': false
-	        };
-	        if (values[this.tags.oneway] !== undefined) {
-	            return values[this.tags.oneway];
-	        }
-
-	        // implied oneway tag..
-	        for (var key in this.tags) {
-	            if (key in osmOneWayTags && (this.tags[key] in osmOneWayTags[key]))
-	                return true;
-	        }
-	        return false;
-	    },
-
-	    // Some identifier for tag that implies that this way is "sided",
-	    // i.e. the right side is the 'inside' (e.g. the right side of a
-	    // natural=cliff is lower).
-	    sidednessIdentifier: function() {
-	        for (var key in this.tags) {
-	            var value = this.tags[key];
-	            if (key in osmRightSideIsInsideTags && (value in osmRightSideIsInsideTags[key])) {
-	                if (osmRightSideIsInsideTags[key][value] === true) {
-	                    return key;
-	                } else {
-	                    // if the map's value is something other than a
-	                    // literal true, we should use it so we can
-	                    // special case some keys (e.g. natural=coastline
-	                    // is handled differently to other naturals).
-	                    return osmRightSideIsInsideTags[key][value];
-	                }
-	            }
-	        }
-
-	        return null;
-	    },
-
-	    isSided: function() {
-	        if (this.tags.two_sided === 'yes') {
-	            return false;
-	        }
-
-	        return this.sidednessIdentifier() !== null;
-	    },
-
-	    lanes: function() {
-	        return osmLanes(this);
-	    },
-
-
-	    isClosed: function() {
-	        return this.nodes.length > 1 && this.first() === this.last();
-	    },
-
-
-	    isConvex: function(resolver) {
-	        if (!this.isClosed() || this.isDegenerate()) return null;
-
-	        var nodes = utilArrayUniq(resolver.childNodes(this));
-	        var coords = nodes.map(function(n) { return n.loc; });
-	        var curr = 0;
-	        var prev = 0;
-
-	        for (var i = 0; i < coords.length; i++) {
-	            var o = coords[(i+1) % coords.length];
-	            var a = coords[i];
-	            var b = coords[(i+2) % coords.length];
-	            var res = geoVecCross(a, b, o);
-
-	            curr = (res > 0) ? 1 : (res < 0) ? -1 : 0;
-	            if (curr === 0) {
-	                continue;
-	            } else if (prev && curr !== prev) {
-	                return false;
-	            }
-	            prev = curr;
-	        }
-	        return true;
-	    },
-
-	    // returns an object with the tag that implies this is an area, if any
-	    tagSuggestingArea: function() {
-	        return osmTagSuggestingArea(this.tags);
-	    },
-
-	    isArea: function() {
-	        if (this.tags.area === 'yes')
-	            return true;
-	        if (!this.isClosed() || this.tags.area === 'no')
-	            return false;
-	        return this.tagSuggestingArea() !== null;
-	    },
-
-
-	    isDegenerate: function() {
-	        return (new Set(this.nodes).size < (this.isArea() ? 3 : 2));
-	    },
-
-
-	    areAdjacent: function(n1, n2) {
-	        for (var i = 0; i < this.nodes.length; i++) {
-	            if (this.nodes[i] === n1) {
-	                if (this.nodes[i - 1] === n2) return true;
-	                if (this.nodes[i + 1] === n2) return true;
-	            }
-	        }
-	        return false;
-	    },
-
-
-	    geometry: function(graph) {
-	        return graph.transient(this, 'geometry', function() {
-	            return this.isArea() ? 'area' : 'line';
-	        });
-	    },
-
-
-	    // returns an array of objects representing the segments between the nodes in this way
-	    segments: function(graph) {
-
-	        function segmentExtent(graph) {
-	            var n1 = graph.hasEntity(this.nodes[0]);
-	            var n2 = graph.hasEntity(this.nodes[1]);
-	            return n1 && n2 && geoExtent([
-	                [
-	                    Math.min(n1.loc[0], n2.loc[0]),
-	                    Math.min(n1.loc[1], n2.loc[1])
-	                ],
-	                [
-	                    Math.max(n1.loc[0], n2.loc[0]),
-	                    Math.max(n1.loc[1], n2.loc[1])
-	                ]
-	            ]);
-	        }
-
-	        return graph.transient(this, 'segments', function() {
-	            var segments = [];
-	            for (var i = 0; i < this.nodes.length - 1; i++) {
-	                segments.push({
-	                    id: this.id + '-' + i,
-	                    wayId: this.id,
-	                    index: i,
-	                    nodes: [this.nodes[i], this.nodes[i + 1]],
-	                    extent: segmentExtent
-	                });
-	            }
-	            return segments;
-	        });
-	    },
-
-
-	    // If this way is not closed, append the beginning node to the end of the nodelist to close it.
-	    close: function() {
-	        if (this.isClosed() || !this.nodes.length) return this;
-
-	        var nodes = this.nodes.slice();
-	        nodes = nodes.filter(noRepeatNodes);
-	        nodes.push(nodes[0]);
-	        return this.update({ nodes: nodes });
-	    },
-
-
-	    // If this way is closed, remove any connector nodes from the end of the nodelist to unclose it.
-	    unclose: function() {
-	        if (!this.isClosed()) return this;
-
-	        var nodes = this.nodes.slice();
-	        var connector = this.first();
-	        var i = nodes.length - 1;
-
-	        // remove trailing connectors..
-	        while (i > 0 && nodes.length > 1 && nodes[i] === connector) {
-	            nodes.splice(i, 1);
-	            i = nodes.length - 1;
-	        }
-
-	        nodes = nodes.filter(noRepeatNodes);
-	        return this.update({ nodes: nodes });
-	    },
-
-
-	    // Adds a node (id) in front of the node which is currently at position index.
-	    // If index is undefined, the node will be added to the end of the way for linear ways,
-	    //   or just before the final connecting node for circular ways.
-	    // Consecutive duplicates are eliminated including existing ones.
-	    // Circularity is always preserved when adding a node.
-	    addNode: function(id, index) {
-	        var nodes = this.nodes.slice();
-	        var isClosed = this.isClosed();
-	        var max = isClosed ? nodes.length - 1 : nodes.length;
-
-	        if (index === undefined) {
-	            index = max;
-	        }
-
-	        if (index < 0 || index > max) {
-	            throw new RangeError('index ' + index + ' out of range 0..' + max);
-	        }
-
-	        // If this is a closed way, remove all connector nodes except the first one
-	        // (there may be duplicates) and adjust index if necessary..
-	        if (isClosed) {
-	            var connector = this.first();
-
-	            // leading connectors..
-	            var i = 1;
-	            while (i < nodes.length && nodes.length > 2 && nodes[i] === connector) {
-	                nodes.splice(i, 1);
-	                if (index > i) index--;
-	            }
-
-	            // trailing connectors..
-	            i = nodes.length - 1;
-	            while (i > 0 && nodes.length > 1 && nodes[i] === connector) {
-	                nodes.splice(i, 1);
-	                if (index > i) index--;
-	                i = nodes.length - 1;
-	            }
-	        }
-
-	        nodes.splice(index, 0, id);
-	        nodes = nodes.filter(noRepeatNodes);
-
-	        // If the way was closed before, append a connector node to keep it closed..
-	        if (isClosed && (nodes.length === 1 || nodes[0] !== nodes[nodes.length - 1])) {
-	            nodes.push(nodes[0]);
-	        }
-
-	        return this.update({ nodes: nodes });
-	    },
-
-
-	    // Replaces the node which is currently at position index with the given node (id).
-	    // Consecutive duplicates are eliminated including existing ones.
-	    // Circularity is preserved when updating a node.
-	    updateNode: function(id, index) {
-	        var nodes = this.nodes.slice();
-	        var isClosed = this.isClosed();
-	        var max = nodes.length - 1;
-
-	        if (index === undefined || index < 0 || index > max) {
-	            throw new RangeError('index ' + index + ' out of range 0..' + max);
-	        }
-
-	        // If this is a closed way, remove all connector nodes except the first one
-	        // (there may be duplicates) and adjust index if necessary..
-	        if (isClosed) {
-	            var connector = this.first();
-
-	            // leading connectors..
-	            var i = 1;
-	            while (i < nodes.length && nodes.length > 2 && nodes[i] === connector) {
-	                nodes.splice(i, 1);
-	                if (index > i) index--;
-	            }
-
-	            // trailing connectors..
-	            i = nodes.length - 1;
-	            while (i > 0 && nodes.length > 1 && nodes[i] === connector) {
-	                nodes.splice(i, 1);
-	                if (index === i) index = 0;  // update leading connector instead
-	                i = nodes.length - 1;
-	            }
-	        }
-
-	        nodes.splice(index, 1, id);
-	        nodes = nodes.filter(noRepeatNodes);
-
-	        // If the way was closed before, append a connector node to keep it closed..
-	        if (isClosed && (nodes.length === 1 || nodes[0] !== nodes[nodes.length - 1])) {
-	            nodes.push(nodes[0]);
-	        }
-
-	        return this.update({nodes: nodes});
-	    },
-
-
-	    // Replaces each occurrence of node id needle with replacement.
-	    // Consecutive duplicates are eliminated including existing ones.
-	    // Circularity is preserved.
-	    replaceNode: function(needleID, replacementID) {
-	        var nodes = this.nodes.slice();
-	        var isClosed = this.isClosed();
-
-	        for (var i = 0; i < nodes.length; i++) {
-	            if (nodes[i] === needleID) {
-	                nodes[i] = replacementID;
-	            }
-	        }
-
-	        nodes = nodes.filter(noRepeatNodes);
-
-	        // If the way was closed before, append a connector node to keep it closed..
-	        if (isClosed && (nodes.length === 1 || nodes[0] !== nodes[nodes.length - 1])) {
-	            nodes.push(nodes[0]);
-	        }
-
-	        return this.update({nodes: nodes});
-	    },
-
-
-	    // Removes each occurrence of node id.
-	    // Consecutive duplicates are eliminated including existing ones.
-	    // Circularity is preserved.
-	    removeNode: function(id) {
-	        var nodes = this.nodes.slice();
-	        var isClosed = this.isClosed();
-
-	        nodes = nodes
-	            .filter(function(node) { return node !== id; })
-	            .filter(noRepeatNodes);
-
-	        // If the way was closed before, append a connector node to keep it closed..
-	        if (isClosed && (nodes.length === 1 || nodes[0] !== nodes[nodes.length - 1])) {
-	            nodes.push(nodes[0]);
-	        }
-
-	        return this.update({nodes: nodes});
-	    },
-
-
-	    asJXON: function(changeset_id) {
-	        var r = {
-	            way: {
-	                '@id': this.osmId(),
-	                '@version': this.version || 0,
-	                nd: this.nodes.map(function(id) {
-	                    return { keyAttributes: { ref: osmEntity.id.toOSM(id) } };
-	                }, this),
-	                tag: Object.keys(this.tags).map(function(k) {
-	                    return { keyAttributes: { k: k, v: this.tags[k] } };
-	                }, this)
-	            }
-	        };
-	        if (changeset_id) {
-	            r.way['@changeset'] = changeset_id;
-	        }
-	        return r;
-	    },
-
-
-	    asGeoJSON: function(resolver) {
-	        return resolver.transient(this, 'GeoJSON', function() {
-	            var coordinates = resolver.childNodes(this)
-	                .map(function(n) { return n.loc; });
-
-	            if (this.isArea() && this.isClosed()) {
-	                return {
-	                    type: 'Polygon',
-	                    coordinates: [coordinates]
-	                };
-	            } else {
-	                return {
-	                    type: 'LineString',
-	                    coordinates: coordinates
-	                };
-	            }
-	        });
-	    },
-
-
-	    area: function(resolver) {
-	        return resolver.transient(this, 'area', function() {
-	            var nodes = resolver.childNodes(this);
-
-	            var json = {
-	                type: 'Polygon',
-	                coordinates: [ nodes.map(function(n) { return n.loc; }) ]
-	            };
-
-	            if (!this.isClosed() && nodes.length) {
-	                json.coordinates[0].push(nodes[0].loc);
-	            }
-
-	            var area = d3_geoArea(json);
-
-	            // Heuristic for detecting counterclockwise winding order. Assumes
-	            // that OpenStreetMap polygons are not hemisphere-spanning.
-	            if (area > 2 * Math.PI) {
-	                json.coordinates[0] = json.coordinates[0].reverse();
-	                area = d3_geoArea(json);
-	            }
-
-	            return isNaN(area) ? 0 : area;
-	        });
-	    }
-	});
-
-
-	// Filter function to eliminate consecutive duplicates.
-	function noRepeatNodes(node, i, arr) {
-	    return i === 0 || node !== arr[i - 1];
-	}
-
-	// "Old" multipolyons, previously known as "simple" multipolygons, are as follows:
-	//
-	// 1. Relation tagged with `type=multipolygon` and no interesting tags.
-	// 2. One and only one member with the `outer` role. Must be a way with interesting tags.
-	// 3. No members without a role.
-	//
-	// Old multipolygons are no longer recommended but are still rendered as areas by iD.
-
-	function osmOldMultipolygonOuterMemberOfRelation(entity, graph) {
-	    if (entity.type !== 'relation' ||
-	        !entity.isMultipolygon()
-	        || Object.keys(entity.tags).filter(osmIsInterestingTag).length > 1) {
-	        return false;
-	    }
-
-	    var outerMember;
-	    for (var memberIndex in entity.members) {
-	        var member = entity.members[memberIndex];
-	        if (!member.role || member.role === 'outer') {
-	            if (outerMember) return false;
-	            if (member.type !== 'way') return false;
-	            if (!graph.hasEntity(member.id)) return false;
-
-	            outerMember = graph.entity(member.id);
-
-	            if (Object.keys(outerMember.tags).filter(osmIsInterestingTag).length === 0) {
-	                return false;
-	            }
-	        }
-	    }
-
-	    return outerMember;
-	}
-
-	// For fixing up rendering of multipolygons with tags on the outer member.
-	// https://github.com/openstreetmap/iD/issues/613
-	function osmIsOldMultipolygonOuterMember(entity, graph) {
-	    if (entity.type !== 'way' || Object.keys(entity.tags).filter(osmIsInterestingTag).length === 0)
-	        return false;
-
-	    var parents = graph.parentRelations(entity);
-	    if (parents.length !== 1)
-	        return false;
-
-	    var parent = parents[0];
-	    if (!parent.isMultipolygon() || Object.keys(parent.tags).filter(osmIsInterestingTag).length > 1)
-	        return false;
-
-	    var members = parent.members, member;
-	    for (var i = 0; i < members.length; i++) {
-	        member = members[i];
-	        if (member.id === entity.id && member.role && member.role !== 'outer')
-	            return false; // Not outer member
-	        if (member.id !== entity.id && (!member.role || member.role === 'outer'))
-	            return false; // Not a simple multipolygon
-	    }
-
-	    return parent;
-	}
-
-
-	function osmOldMultipolygonOuterMember(entity, graph) {
-	    if (entity.type !== 'way')
-	        return false;
-
-	    var parents = graph.parentRelations(entity);
-	    if (parents.length !== 1)
-	        return false;
-
-	    var parent = parents[0];
-	    if (!parent.isMultipolygon() || Object.keys(parent.tags).filter(osmIsInterestingTag).length > 1)
-	        return false;
-
-	    var members = parent.members, member, outerMember;
-	    for (var i = 0; i < members.length; i++) {
-	        member = members[i];
-	        if (!member.role || member.role === 'outer') {
-	            if (outerMember)
-	                return false; // Not a simple multipolygon
-	            outerMember = member;
-	        }
-	    }
-
-	    if (!outerMember)
-	        return false;
-
-	    var outerEntity = graph.hasEntity(outerMember.id);
-	    if (!outerEntity || !Object.keys(outerEntity.tags).filter(osmIsInterestingTag).length)
-	        return false;
-
-	    return outerEntity;
-	}
-
-
-	// Join `toJoin` array into sequences of connecting ways.
-
-	// Segments which share identical start/end nodes will, as much as possible,
-	// be connected with each other.
-	//
-	// The return value is a nested array. Each constituent array contains elements
-	// of `toJoin` which have been determined to connect.
-	//
-	// Each consitituent array also has a `nodes` property whose value is an
-	// ordered array of member nodes, with appropriate order reversal and
-	// start/end coordinate de-duplication.
-	//
-	// Members of `toJoin` must have, at minimum, `type` and `id` properties.
-	// Thus either an array of `osmWay`s or a relation member array may be used.
-	//
-	// If an member is an `osmWay`, its tags and childnodes may be reversed via
-	// `actionReverse` in the output.
-	//
-	// The returned sequences array also has an `actions` array property, containing
-	// any reversal actions that should be applied to the graph, should the calling
-	// code attempt to actually join the given ways.
-	//
-	// Incomplete members (those for which `graph.hasEntity(element.id)` returns
-	// false) and non-way members are ignored.
-	//
-	function osmJoinWays(toJoin, graph) {
-	    function resolve(member) {
-	        return graph.childNodes(graph.entity(member.id));
-	    }
-
-	    function reverse(item) {
-	        var action = actionReverse(item.id, { reverseOneway: true });
-	        sequences.actions.push(action);
-	        return (item instanceof osmWay) ? action(graph).entity(item.id) : item;
-	    }
-
-	    // make a copy containing only the items to join
-	    toJoin = toJoin.filter(function(member) {
-	        return member.type === 'way' && graph.hasEntity(member.id);
-	    });
-
-	    // Are the things we are joining relation members or `osmWays`?
-	    // If `osmWays`, skip the "prefer a forward path" code below (see #4872)
-	    var i;
-	    var joinAsMembers = true;
-	    for (i = 0; i < toJoin.length; i++) {
-	        if (toJoin[i] instanceof osmWay) {
-	            joinAsMembers = false;
-	            break;
-	        }
-	    }
-
-	    var sequences = [];
-	    sequences.actions = [];
-
-	    while (toJoin.length) {
-	        // start a new sequence
-	        var item = toJoin.shift();
-	        var currWays = [item];
-	        var currNodes = resolve(item).slice();
-	        var doneSequence = false;
-
-	        // add to it
-	        while (toJoin.length && !doneSequence) {
-	            var start = currNodes[0];
-	            var end = currNodes[currNodes.length - 1];
-	            var fn = null;
-	            var nodes = null;
-
-	            // Find the next way/member to join.
-	            for (i = 0; i < toJoin.length; i++) {
-	                item = toJoin[i];
-	                nodes = resolve(item);
-
-	                // (for member ordering only, not way ordering - see #4872)
-	                // Strongly prefer to generate a forward path that preserves the order
-	                // of the members array. For multipolygons and most relations, member
-	                // order does not matter - but for routes, it does. (see #4589)
-	                // If we started this sequence backwards (i.e. next member way attaches to
-	                // the start node and not the end node), reverse the initial way before continuing.
-	                if (joinAsMembers && currWays.length === 1 && nodes[0] !== end && nodes[nodes.length - 1] !== end &&
-	                    (nodes[nodes.length - 1] === start || nodes[0] === start)
-	                ) {
-	                    currWays[0] = reverse(currWays[0]);
-	                    currNodes.reverse();
-	                    start = currNodes[0];
-	                    end = currNodes[currNodes.length - 1];
-	                }
-
-	                if (nodes[0] === end) {
-	                    fn = currNodes.push;               // join to end
-	                    nodes = nodes.slice(1);
-	                    break;
-	                } else if (nodes[nodes.length - 1] === end) {
-	                    fn = currNodes.push;               // join to end
-	                    nodes = nodes.slice(0, -1).reverse();
-	                    item = reverse(item);
-	                    break;
-	                } else if (nodes[nodes.length - 1] === start) {
-	                    fn = currNodes.unshift;            // join to beginning
-	                    nodes = nodes.slice(0, -1);
-	                    break;
-	                } else if (nodes[0] === start) {
-	                    fn = currNodes.unshift;            // join to beginning
-	                    nodes = nodes.slice(1).reverse();
-	                    item = reverse(item);
-	                    break;
-	                } else {
-	                    fn = nodes = null;
-	                }
-	            }
-
-	            if (!nodes) {     // couldn't find a joinable way/member
-	                doneSequence = true;
-	                break;
-	            }
-
-	            fn.apply(currWays, [item]);
-	            fn.apply(currNodes, nodes);
-
-	            toJoin.splice(i, 1);
-	        }
-
-	        currWays.nodes = currNodes;
-	        sequences.push(currWays);
-	    }
-
-	    return sequences;
-	}
-
-	function actionAddMember(relationId, member, memberIndex, insertPair) {
-
-	    return function action(graph) {
-	        var relation = graph.entity(relationId);
-
-	        // There are some special rules for Public Transport v2 routes.
-	        var isPTv2 = /stop|platform/.test(member.role);
-
-	        if ((isNaN(memberIndex) || insertPair) && member.type === 'way' && !isPTv2) {
-	            // Try to perform sensible inserts based on how the ways join together
-	            graph = addWayMember(relation, graph);
-	        } else {
-	            // see https://wiki.openstreetmap.org/wiki/Public_transport#Service_routes
-	            // Stops and Platforms for PTv2 should be ordered first.
-	            // hack: We do not currently have the ability to place them in the exactly correct order.
-	            if (isPTv2 && isNaN(memberIndex)) {
-	                memberIndex = 0;
-	            }
-
-	            graph = graph.replace(relation.addMember(member, memberIndex));
-	        }
-
-	        return graph;
-	    };
-
-
-	    // Add a way member into the relation "wherever it makes sense".
-	    // In this situation we were not supplied a memberIndex.
-	    function addWayMember(relation, graph) {
-	        var groups, tempWay, item, i, j, k;
-
-	        // remove PTv2 stops and platforms before doing anything.
-	        var PTv2members = [];
-	        var members = [];
-	        for (i = 0; i < relation.members.length; i++) {
-	            var m = relation.members[i];
-	            if (/stop|platform/.test(m.role)) {
-	                PTv2members.push(m);
-	            } else {
-	                members.push(m);
-	            }
-	        }
-	        relation = relation.update({ members: members });
-
-
-	        if (insertPair) {
-	            // We're adding a member that must stay paired with an existing member.
-	            // (This feature is used by `actionSplit`)
-	            //
-	            // This is tricky because the members may exist multiple times in the
-	            // member list, and with different A-B/B-A ordering and different roles.
-	            // (e.g. a bus route that loops out and back - #4589).
-	            //
-	            // Replace the existing member with a temporary way,
-	            // so that `osmJoinWays` can treat the pair like a single way.
-	            tempWay = osmWay({ id: 'wTemp', nodes: insertPair.nodes });
-	            graph = graph.replace(tempWay);
-	            var tempMember = { id: tempWay.id, type: 'way', role: member.role };
-	            var tempRelation = relation.replaceMember({id: insertPair.originalID}, tempMember, true);
-	            groups = utilArrayGroupBy(tempRelation.members, 'type');
-	            groups.way = groups.way || [];
-
-	        } else {
-	            // Add the member anywhere, one time. Just push and let `osmJoinWays` decide where to put it.
-	            groups = utilArrayGroupBy(relation.members, 'type');
-	            groups.way = groups.way || [];
-	            groups.way.push(member);
-	        }
-
-	        members = withIndex(groups.way);
-	        var joined = osmJoinWays(members, graph);
-
-	        // `joined` might not contain all of the way members,
-	        // But will contain only the completed (downloaded) members
-	        for (i = 0; i < joined.length; i++) {
-	            var segment = joined[i];
-	            var nodes = segment.nodes.slice();
-	            var startIndex = segment[0].index;
-
-	            // j = array index in `members` where this segment starts
-	            for (j = 0; j < members.length; j++) {
-	                if (members[j].index === startIndex) {
-	                    break;
-	                }
-	            }
-
-	            // k = each member in segment
-	            for (k = 0; k < segment.length; k++) {
-	                item = segment[k];
-	                var way = graph.entity(item.id);
-
-	                // If this is a paired item, generate members in correct order and role
-	                if (tempWay && item.id === tempWay.id) {
-	                    if (nodes[0].id === insertPair.nodes[0]) {
-	                        item.pair = [
-	                            { id: insertPair.originalID, type: 'way', role: item.role },
-	                            { id: insertPair.insertedID, type: 'way', role: item.role }
-	                        ];
-	                    } else {
-	                        item.pair = [
-	                            { id: insertPair.insertedID, type: 'way', role: item.role },
-	                            { id: insertPair.originalID, type: 'way', role: item.role }
-	                        ];
-	                    }
-	                }
-
-	                // reorder `members` if necessary
-	                if (k > 0) {
-	                    if (j+k >= members.length || item.index !== members[j+k].index) {
-	                        moveMember(members, item.index, j+k);
-	                    }
-	                }
-
-	                nodes.splice(0, way.nodes.length - 1);
-	            }
-	        }
-
-	        if (tempWay) {
-	            graph = graph.remove(tempWay);
-	        }
-
-	        // Final pass: skip dead items, split pairs, remove index properties
-	        var wayMembers = [];
-	        for (i = 0; i < members.length; i++) {
-	            item = members[i];
-	            if (item.index === -1) continue;
-
-	            if (item.pair) {
-	                wayMembers.push(item.pair[0]);
-	                wayMembers.push(item.pair[1]);
-	            } else {
-	                wayMembers.push(utilObjectOmit(item, ['index']));
-	            }
-	        }
-
-	        // Put stops and platforms first, then nodes, ways, relations
-	        // This is recommended for Public Transport v2 routes:
-	        // see https://wiki.openstreetmap.org/wiki/Public_transport#Service_routes
-	        var newMembers = PTv2members.concat( (groups.node || []), wayMembers, (groups.relation || []) );
-
-	        return graph.replace(relation.update({ members: newMembers }));
-
-
-	        // `moveMember()` changes the `members` array in place by splicing
-	        // the item with `.index = findIndex` to where it belongs,
-	        // and marking the old position as "dead" with `.index = -1`
-	        //
-	        // j=5, k=0                jk
-	        // segment                 5 4 7 6
-	        // members       0 1 2 3 4 5 6 7 8 9        keep 5 in j+k
-	        //
-	        // j=5, k=1                j k
-	        // segment                 5 4 7 6
-	        // members       0 1 2 3 4 5 6 7 8 9        move 4 to j+k
-	        // members       0 1 2 3 x 5 4 6 7 8 9      moved
-	        //
-	        // j=5, k=2                j   k
-	        // segment                 5 4 7 6
-	        // members       0 1 2 3 x 5 4 6 7 8 9      move 7 to j+k
-	        // members       0 1 2 3 x 5 4 7 6 x 8 9    moved
-	        //
-	        // j=5, k=3                j     k
-	        // segment                 5 4 7 6
-	        // members       0 1 2 3 x 5 4 7 6 x 8 9    keep 6 in j+k
-	        //
-	        function moveMember(arr, findIndex, toIndex) {
-	            for (var i = 0; i < arr.length; i++) {
-	                if (arr[i].index === findIndex) {
-	                    break;
-	                }
-	            }
-
-	            var item = Object.assign({}, arr[i]);   // shallow copy
-	            arr[i].index = -1;   // mark as dead
-	            item.index = toIndex;
-	            arr.splice(toIndex, 0, item);
-	        }
-
-
-	        // This is the same as `Relation.indexedMembers`,
-	        // Except we don't want to index all the members, only the ways
-	        function withIndex(arr) {
-	            var result = new Array(arr.length);
-	            for (var i = 0; i < arr.length; i++) {
-	                result[i] = Object.assign({}, arr[i]);   // shallow copy
-	                result[i].index = i;
-	            }
-	            return result;
-	        }
-	    }
-
-	}
-
-	function actionAddMidpoint(midpoint, node) {
-	    return function(graph) {
-	        graph = graph.replace(node.move(midpoint.loc));
-
-	        var parents = utilArrayIntersection(
-	            graph.parentWays(graph.entity(midpoint.edge[0])),
-	            graph.parentWays(graph.entity(midpoint.edge[1]))
-	        );
-
-	        parents.forEach(function(way) {
-	            for (var i = 0; i < way.nodes.length - 1; i++) {
-	                if (geoEdgeEqual([way.nodes[i], way.nodes[i + 1]], midpoint.edge)) {
-	                    graph = graph.replace(graph.entity(way.id).addNode(node.id, i + 1));
-
-	                    // Add only one midpoint on doubled-back segments,
-	                    // turning them into self-intersections.
-	                    return;
-	                }
-	            }
-	        });
-
-	        return graph;
-	    };
-	}
-
-	// https://github.com/openstreetmap/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/AddNodeToWayAction.as
-	function actionAddVertex(wayId, nodeId, index) {
-	    return function(graph) {
-	        return graph.replace(graph.entity(wayId).addNode(nodeId, index));
-	    };
-	}
-
-	function actionChangeMember(relationId, member, memberIndex) {
-	    return function(graph) {
-	        return graph.replace(graph.entity(relationId).updateMember(member, memberIndex));
-	    };
-	}
-
-	function actionChangePreset(entityID, oldPreset, newPreset, skipFieldDefaults) {
-	    return function action(graph) {
-	        var entity = graph.entity(entityID);
-	        var geometry = entity.geometry(graph);
-	        var tags = entity.tags;
-
-	        if (oldPreset) tags = oldPreset.unsetTags(tags, geometry);
-	        if (newPreset) tags = newPreset.setTags(tags, geometry, skipFieldDefaults);
-
-	        return graph.replace(entity.update({tags: tags}));
-	    };
-	}
-
-	function actionChangeTags(entityId, tags) {
-	    return function(graph) {
-	        var entity = graph.entity(entityId);
-	        return graph.replace(entity.update({tags: tags}));
-	    };
-	}
-
-	function osmNode() {
-	    if (!(this instanceof osmNode)) {
-	        return (new osmNode()).initialize(arguments);
-	    } else if (arguments.length) {
-	        this.initialize(arguments);
-	    }
-	}
-
-	osmEntity.node = osmNode;
-
-	osmNode.prototype = Object.create(osmEntity.prototype);
-
-	Object.assign(osmNode.prototype, {
-	    type: 'node',
-	    loc: [9999, 9999],
-
-	    extent: function() {
-	        return new geoExtent(this.loc);
-	    },
-
-
-	    geometry: function(graph) {
-	        return graph.transient(this, 'geometry', function() {
-	            return graph.isPoi(this) ? 'point' : 'vertex';
-	        });
-	    },
-
-
-	    move: function(loc) {
-	        return this.update({loc: loc});
-	    },
-
-
-	    isDegenerate: function() {
-	        return !(
-	            Array.isArray(this.loc) && this.loc.length === 2 &&
-	            this.loc[0] >= -180 && this.loc[0] <= 180 &&
-	            this.loc[1] >= -90 && this.loc[1] <= 90
-	        );
-	    },
-
-
-	    // Inspect tags and geometry to determine which direction(s) this node/vertex points
-	    directions: function(resolver, projection) {
-	        var val;
-	        var i;
-
-	        // which tag to use?
-	        if (this.isHighwayIntersection(resolver) && (this.tags.stop || '').toLowerCase() === 'all') {
-	            // all-way stop tag on a highway intersection
-	            val = 'all';
-	        } else {
-	            // generic direction tag
-	            val = (this.tags.direction || '').toLowerCase();
-
-	            // better suffix-style direction tag
-	            var re = /:direction$/i;
-	            var keys = Object.keys(this.tags);
-	            for (i = 0; i < keys.length; i++) {
-	                if (re.test(keys[i])) {
-	                    val = this.tags[keys[i]].toLowerCase();
-	                    break;
-	                }
-	            }
-	        }
-
-	        if (val === '') return [];
-
-	        var cardinal = {
-	            north: 0,               n: 0,
-	            northnortheast: 22,     nne: 22,
-	            northeast: 45,          ne: 45,
-	            eastnortheast: 67,      ene: 67,
-	            east: 90,               e: 90,
-	            eastsoutheast: 112,     ese: 112,
-	            southeast: 135,         se: 135,
-	            southsoutheast: 157,    sse: 157,
-	            south: 180,             s: 180,
-	            southsouthwest: 202,    ssw: 202,
-	            southwest: 225,         sw: 225,
-	            westsouthwest: 247,     wsw: 247,
-	            west: 270,              w: 270,
-	            westnorthwest: 292,     wnw: 292,
-	            northwest: 315,         nw: 315,
-	            northnorthwest: 337,    nnw: 337
-	        };
-
-
-	        var values = val.split(';');
-	        var results = [];
-
-	        values.forEach(function(v) {
-	            // swap cardinal for numeric directions
-	            if (cardinal[v] !== undefined) {
-	                v = cardinal[v];
-	            }
-
-	            // numeric direction - just add to results
-	            if (v !== '' && !isNaN(+v)) {
-	                results.push(+v);
-	                return;
-	            }
-
-	            // string direction - inspect parent ways
-	            var lookBackward =
-	                (this.tags['traffic_sign:backward'] || v === 'backward' || v === 'both' || v === 'all');
-	            var lookForward =
-	                (this.tags['traffic_sign:forward'] || v === 'forward' || v === 'both' || v === 'all');
-
-	            if (!lookForward && !lookBackward) return;
-
-	            var nodeIds = {};
-	            resolver.parentWays(this).forEach(function(parent) {
-	                var nodes = parent.nodes;
-	                for (i = 0; i < nodes.length; i++) {
-	                    if (nodes[i] === this.id) {  // match current entity
-	                        if (lookForward && i > 0) {
-	                            nodeIds[nodes[i - 1]] = true;  // look back to prev node
-	                        }
-	                        if (lookBackward && i < nodes.length - 1) {
-	                            nodeIds[nodes[i + 1]] = true;  // look ahead to next node
-	                        }
-	                    }
-	                }
-	            }, this);
-
-	            Object.keys(nodeIds).forEach(function(nodeId) {
-	                // +90 because geoAngle returns angle from X axis, not Y (north)
-	                results.push(
-	                    (geoAngle(this, resolver.entity(nodeId), projection) * (180 / Math.PI)) + 90
-	                );
-	            }, this);
-
-	        }, this);
-
-	        return utilArrayUniq(results);
-	    },
-
-
-	    isEndpoint: function(resolver) {
-	        return resolver.transient(this, 'isEndpoint', function() {
-	            var id = this.id;
-	            return resolver.parentWays(this).filter(function(parent) {
-	                return !parent.isClosed() && !!parent.affix(id);
-	            }).length > 0;
-	        });
-	    },
-
-
-	    isConnected: function(resolver) {
-	        return resolver.transient(this, 'isConnected', function() {
-	            var parents = resolver.parentWays(this);
-
-	            if (parents.length > 1) {
-	                // vertex is connected to multiple parent ways
-	                for (var i in parents) {
-	                    if (parents[i].geometry(resolver) === 'line' &&
-	                        parents[i].hasInterestingTags()) return true;
-	                }
-	            } else if (parents.length === 1) {
-	                var way = parents[0];
-	                var nodes = way.nodes.slice();
-	                if (way.isClosed()) { nodes.pop(); }  // ignore connecting node if closed
-
-	                // return true if vertex appears multiple times (way is self intersecting)
-	                return nodes.indexOf(this.id) !== nodes.lastIndexOf(this.id);
-	            }
-
-	            return false;
-	        });
-	    },
-
-
-	    parentIntersectionWays: function(resolver) {
-	        return resolver.transient(this, 'parentIntersectionWays', function() {
-	            return resolver.parentWays(this).filter(function(parent) {
-	                return (parent.tags.highway ||
-	                    parent.tags.waterway ||
-	                    parent.tags.railway ||
-	                    parent.tags.aeroway) &&
-	                    parent.geometry(resolver) === 'line';
-	            });
-	        });
-	    },
-
-
-	    isIntersection: function(resolver) {
-	        return this.parentIntersectionWays(resolver).length > 1;
-	    },
-
-
-	    isHighwayIntersection: function(resolver) {
-	        return resolver.transient(this, 'isHighwayIntersection', function() {
-	            return resolver.parentWays(this).filter(function(parent) {
-	                return parent.tags.highway && parent.geometry(resolver) === 'line';
-	            }).length > 1;
-	        });
-	    },
-
-
-	    isOnAddressLine: function(resolver) {
-	        return resolver.transient(this, 'isOnAddressLine', function() {
-	            return resolver.parentWays(this).filter(function(parent) {
-	                return parent.tags.hasOwnProperty('addr:interpolation') &&
-	                    parent.geometry(resolver) === 'line';
-	            }).length > 0;
-	        });
-	    },
-
-
-	    asJXON: function(changeset_id) {
-	        var r = {
-	            node: {
-	                '@id': this.osmId(),
-	                '@lon': this.loc[0],
-	                '@lat': this.loc[1],
-	                '@version': (this.version || 0),
-	                tag: Object.keys(this.tags).map(function(k) {
-	                    return { keyAttributes: { k: k, v: this.tags[k] } };
-	                }, this)
-	            }
-	        };
-	        if (changeset_id) r.node['@changeset'] = changeset_id;
-	        return r;
-	    },
-
-
-	    asGeoJSON: function() {
-	        return {
-	            type: 'Point',
-	            coordinates: this.loc
-	        };
-	    }
-	});
-
-	function actionCircularize(wayId, projection, maxAngle) {
-	    maxAngle = (maxAngle || 20) * Math.PI / 180;
-
-
-	    var action = function(graph, t) {
-	        if (t === null || !isFinite(t)) t = 1;
-	        t = Math.min(Math.max(+t, 0), 1);
-
-	        var way = graph.entity(wayId);
-	        var origNodes = {};
-
-	        graph.childNodes(way).forEach(function(node) {
-	            if (!origNodes[node.id]) origNodes[node.id] = node;
-	        });
-
-	        if (!way.isConvex(graph)) {
-	            graph = action.makeConvex(graph);
-	        }
-
-	        var nodes = utilArrayUniq(graph.childNodes(way));
-	        var keyNodes = nodes.filter(function(n) { return graph.parentWays(n).length !== 1; });
-	        var points = nodes.map(function(n) { return projection(n.loc); });
-	        var keyPoints = keyNodes.map(function(n) { return projection(n.loc); });
-	        var centroid = (points.length === 2) ? geoVecInterp(points[0], points[1], 0.5) : d3_polygonCentroid(points);
-	        var radius = d3_median(points, function(p) { return geoVecLength(centroid, p); });
-	        var sign = d3_polygonArea(points) > 0 ? 1 : -1;
-	        var ids, i, j, k;
-
-	        // we need atleast two key nodes for the algorithm to work
-	        if (!keyNodes.length) {
-	            keyNodes = [nodes[0]];
-	            keyPoints = [points[0]];
-	        }
-
-	        if (keyNodes.length === 1) {
-	            var index = nodes.indexOf(keyNodes[0]);
-	            var oppositeIndex = Math.floor((index + nodes.length / 2) % nodes.length);
-
-	            keyNodes.push(nodes[oppositeIndex]);
-	            keyPoints.push(points[oppositeIndex]);
-	        }
-
-	        // key points and nodes are those connected to the ways,
-	        // they are projected onto the circle, inbetween nodes are moved
-	        // to constant intervals between key nodes, extra inbetween nodes are
-	        // added if necessary.
-	        for (i = 0; i < keyPoints.length; i++) {
-	            var nextKeyNodeIndex = (i + 1) % keyNodes.length;
-	            var startNode = keyNodes[i];
-	            var endNode = keyNodes[nextKeyNodeIndex];
-	            var startNodeIndex = nodes.indexOf(startNode);
-	            var endNodeIndex = nodes.indexOf(endNode);
-	            var numberNewPoints = -1;
-	            var indexRange = endNodeIndex - startNodeIndex;
-	            var nearNodes = {};
-	            var inBetweenNodes = [];
-	            var startAngle, endAngle, totalAngle, eachAngle;
-	            var angle, loc, node, origNode;
-
-	            if (indexRange < 0) {
-	                indexRange += nodes.length;
-	            }
-
-	            // position this key node
-	            var distance = geoVecLength(centroid, keyPoints[i]) || 1e-4;
-	            keyPoints[i] = [
-	                centroid[0] + (keyPoints[i][0] - centroid[0]) / distance * radius,
-	                centroid[1] + (keyPoints[i][1] - centroid[1]) / distance * radius
-	            ];
-	            loc = projection.invert(keyPoints[i]);
-	            node = keyNodes[i];
-	            origNode = origNodes[node.id];
-	            node = node.move(geoVecInterp(origNode.loc, loc, t));
-	            graph = graph.replace(node);
-
-	            // figure out the between delta angle we want to match to
-	            startAngle = Math.atan2(keyPoints[i][1] - centroid[1], keyPoints[i][0] - centroid[0]);
-	            endAngle = Math.atan2(keyPoints[nextKeyNodeIndex][1] - centroid[1], keyPoints[nextKeyNodeIndex][0] - centroid[0]);
-	            totalAngle = endAngle - startAngle;
-
-	            // detects looping around -pi/pi
-	            if (totalAngle * sign > 0) {
-	                totalAngle = -sign * (2 * Math.PI - Math.abs(totalAngle));
-	            }
-
-	            do {
-	                numberNewPoints++;
-	                eachAngle = totalAngle / (indexRange + numberNewPoints);
-	            } while (Math.abs(eachAngle) > maxAngle);
-
-
-	            // move existing nodes
-	            for (j = 1; j < indexRange; j++) {
-	                angle = startAngle + j * eachAngle;
-	                loc = projection.invert([
-	                    centroid[0] + Math.cos(angle) * radius,
-	                    centroid[1] + Math.sin(angle) * radius
-	                ]);
-
-	                node = nodes[(j + startNodeIndex) % nodes.length];
-	                origNode = origNodes[node.id];
-	                nearNodes[node.id] = angle;
-
-	                node = node.move(geoVecInterp(origNode.loc, loc, t));
-	                graph = graph.replace(node);
-	            }
-
-	            // add new inbetween nodes if necessary
-	            for (j = 0; j < numberNewPoints; j++) {
-	                angle = startAngle + (indexRange + j) * eachAngle;
-	                loc = projection.invert([
-	                    centroid[0] + Math.cos(angle) * radius,
-	                    centroid[1] + Math.sin(angle) * radius
-	                ]);
-
-	                // choose a nearnode to use as the original
-	                var min = Infinity;
-	                for (var nodeId in nearNodes) {
-	                    var nearAngle = nearNodes[nodeId];
-	                    var dist = Math.abs(nearAngle - angle);
-	                    if (dist < min) {
-	                        dist = min;
-	                        origNode = origNodes[nodeId];
-	                    }
-	                }
-
-	                node = osmNode({ loc: geoVecInterp(origNode.loc, loc, t) });
-	                graph = graph.replace(node);
-
-	                nodes.splice(endNodeIndex + j, 0, node);
-	                inBetweenNodes.push(node.id);
-	            }
-
-	            // Check for other ways that share these keyNodes..
-	            // If keyNodes are adjacent in both ways,
-	            // we can add inBetween nodes to that shared way too..
-	            if (indexRange === 1 && inBetweenNodes.length) {
-	                var startIndex1 = way.nodes.lastIndexOf(startNode.id);
-	                var endIndex1 = way.nodes.lastIndexOf(endNode.id);
-	                var wayDirection1 = (endIndex1 - startIndex1);
-	                if (wayDirection1 < -1) { wayDirection1 = 1; }
-
-	                var parentWays = graph.parentWays(keyNodes[i]);
-	                for (j = 0; j < parentWays.length; j++) {
-	                    var sharedWay = parentWays[j];
-	                    if (sharedWay === way) continue;
-
-	                    if (sharedWay.areAdjacent(startNode.id, endNode.id)) {
-	                        var startIndex2 = sharedWay.nodes.lastIndexOf(startNode.id);
-	                        var endIndex2 = sharedWay.nodes.lastIndexOf(endNode.id);
-	                        var wayDirection2 = (endIndex2 - startIndex2);
-	                        var insertAt = endIndex2;
-	                        if (wayDirection2 < -1) { wayDirection2 = 1; }
-
-	                        if (wayDirection1 !== wayDirection2) {
-	                            inBetweenNodes.reverse();
-	                            insertAt = startIndex2;
-	                        }
-	                        for (k = 0; k < inBetweenNodes.length; k++) {
-	                            sharedWay = sharedWay.addNode(inBetweenNodes[k], insertAt + k);
-	                        }
-	                        graph = graph.replace(sharedWay);
-	                    }
-	                }
-	            }
-
-	        }
-
-	        // update the way to have all the new nodes
-	        ids = nodes.map(function(n) { return n.id; });
-	        ids.push(ids[0]);
-
-	        way = way.update({nodes: ids});
-	        graph = graph.replace(way);
-
-	        return graph;
-	    };
-
-
-	    action.makeConvex = function(graph) {
-	        var way = graph.entity(wayId);
-	        var nodes = utilArrayUniq(graph.childNodes(way));
-	        var points = nodes.map(function(n) { return projection(n.loc); });
-	        var sign = d3_polygonArea(points) > 0 ? 1 : -1;
-	        var hull = d3_polygonHull(points);
-	        var i, j;
-
-	        // D3 convex hulls go counterclockwise..
-	        if (sign === -1) {
-	            nodes.reverse();
-	            points.reverse();
-	        }
-
-	        for (i = 0; i < hull.length - 1; i++) {
-	            var startIndex = points.indexOf(hull[i]);
-	            var endIndex = points.indexOf(hull[i+1]);
-	            var indexRange = (endIndex - startIndex);
-
-	            if (indexRange < 0) {
-	                indexRange += nodes.length;
-	            }
-
-	            // move interior nodes to the surface of the convex hull..
-	            for (j = 1; j < indexRange; j++) {
-	                var point = geoVecInterp(hull[i], hull[i+1], j / indexRange);
-	                var node = nodes[(j + startIndex) % nodes.length].move(projection.invert(point));
-	                graph = graph.replace(node);
-	            }
-	        }
-	        return graph;
-	    };
-
-
-	    action.disabled = function(graph) {
-	        if (!graph.entity(wayId).isClosed()) {
-	            return 'not_closed';
-	        }
-
-	        //disable when already circular
-	        var way = graph.entity(wayId);
-	        var nodes = utilArrayUniq(graph.childNodes(way));
-	        var points = nodes.map(function(n) { return projection(n.loc); });
-	        var hull = d3_polygonHull(points);
-	        var epsilonAngle =  Math.PI / 180;
-	        if (hull.length !== points.length || hull.length < 3){
-	            return false;
-	        }
-	        var centroid = d3_polygonCentroid(points);
-	        var radius = geoVecLengthSquare(centroid, points[0]);
-
-	        // compare distances between centroid and points
-	        for (var i = 0; i<hull.length; i++){
-	            var actualPoint = hull[i];
-	            var actualDist = geoVecLengthSquare(actualPoint, centroid);
-	            var diff = Math.abs(actualDist - radius);
-	            //compare distances with epsilon-error (5%)
-	            if (diff > 0.05*radius) {
-	                return false;
-	            }
-	        }
-	        
-	        //check if central angles are smaller than maxAngle
-	        for (i = 0; i<hull.length; i++){
-	            actualPoint = hull[i];
-	            var nextPoint = hull[(i+1)%hull.length];
-	            var startAngle = Math.atan2(actualPoint[1] - centroid[1], actualPoint[0] - centroid[0]);
-	            var endAngle = Math.atan2(nextPoint[1] - centroid[1], nextPoint[0] - centroid[0]);
-	            var angle = endAngle - startAngle;
-	            if (angle < 0) {
-	                angle = -angle;
-	            }
-	            if (angle > Math.PI){
-	                angle = (2*Math.PI - angle);
-	            }
-	 
-	            if (angle > maxAngle + epsilonAngle) {
-	                return false;
-	            }
-	        }
-	        return 'already_circular';
-	    };
-
-
-	    action.transitionable = true;
-
-
-	    return action;
-	}
-
-	// https://github.com/openstreetmap/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/DeleteWayAction.as
-	function actionDeleteWay(wayID) {
-
-	    function canDeleteNode(node, graph) {
-	        // don't delete nodes still attached to ways or relations
-	        if (graph.parentWays(node).length ||
-	            graph.parentRelations(node).length) return false;
-
-	        var geometries = osmNodeGeometriesForTags(node.tags);
-	        // don't delete if this node can be a standalone point
-	        if (geometries.point) return false;
-	        // delete if this node only be a vertex
-	        if (geometries.vertex) return true;
-
-	        // iD doesn't know if this should be a point or vertex,
-	        // so only delete if there are no interesting tags
-	        return !node.hasInterestingTags();
-	    }
-
-
-	    var action = function(graph) {
-	        var way = graph.entity(wayID);
-
-	        graph.parentRelations(way).forEach(function(parent) {
-	            parent = parent.removeMembersWithID(wayID);
-	            graph = graph.replace(parent);
-
-	            if (parent.isDegenerate()) {
-	                graph = actionDeleteRelation(parent.id)(graph);
-	            }
-	        });
-
-	        (new Set(way.nodes)).forEach(function(nodeID) {
-	            graph = graph.replace(way.removeNode(nodeID));
-
-	            var node = graph.entity(nodeID);
-	            if (canDeleteNode(node, graph)) {
-	                graph = graph.remove(node);
-	            }
-	        });
-
-	        return graph.remove(way);
-	    };
-
-
-	    return action;
-	}
-
-	function actionDeleteMultiple(ids) {
-	    var actions = {
-	        way: actionDeleteWay,
-	        node: actionDeleteNode,
-	        relation: actionDeleteRelation
-	    };
-
-
-	    var action = function(graph) {
-	        ids.forEach(function(id) {
-	            if (graph.hasEntity(id)) { // It may have been deleted aready.
-	                graph = actions[graph.entity(id).type](id)(graph);
-	            }
-	        });
-
-	        return graph;
-	    };
-
-
-	    return action;
-	}
-
-	// https://github.com/openstreetmap/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/DeleteRelationAction.as
-	function actionDeleteRelation(relationID, allowUntaggedMembers) {
-
-	    function canDeleteEntity(entity, graph) {
-	        return !graph.parentWays(entity).length &&
-	            !graph.parentRelations(entity).length &&
-	            (!entity.hasInterestingTags() && !allowUntaggedMembers);
-	    }
-
-
-	    var action = function(graph) {
-	        var relation = graph.entity(relationID);
-
-	        graph.parentRelations(relation)
-	            .forEach(function(parent) {
-	                parent = parent.removeMembersWithID(relationID);
-	                graph = graph.replace(parent);
-
-	                if (parent.isDegenerate()) {
-	                    graph = actionDeleteRelation(parent.id)(graph);
-	                }
-	            });
-
-	        var memberIDs = utilArrayUniq(relation.members.map(function(m) { return m.id; }));
-	        memberIDs.forEach(function(memberID) {
-	            graph = graph.replace(relation.removeMembersWithID(memberID));
-
-	            var entity = graph.entity(memberID);
-	            if (canDeleteEntity(entity, graph)) {
-	                graph = actionDeleteMultiple([memberID])(graph);
-	            }
-	        });
-
-	        return graph.remove(relation);
-	    };
-
-
-	    return action;
-	}
-
-	// https://github.com/openstreetmap/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/DeleteNodeAction.as
-	function actionDeleteNode(nodeId) {
-	    var action = function(graph) {
-	        var node = graph.entity(nodeId);
-
-	        graph.parentWays(node)
-	            .forEach(function(parent) {
-	                parent = parent.removeNode(nodeId);
-	                graph = graph.replace(parent);
-
-	                if (parent.isDegenerate()) {
-	                    graph = actionDeleteWay(parent.id)(graph);
-	                }
-	            });
-
-	        graph.parentRelations(node)
-	            .forEach(function(parent) {
-	                parent = parent.removeMembersWithID(nodeId);
-	                graph = graph.replace(parent);
-
-	                if (parent.isDegenerate()) {
-	                    graph = actionDeleteRelation(parent.id)(graph);
-	                }
-	            });
-
-	        return graph.remove(node);
-	    };
-
-
-	    return action;
-	}
-
-	// Connect the ways at the given nodes.
-	//
-	// First choose a node to be the survivor, with preference given
-	// to an existing (not new) node.
-	//
-	// Tags and relation memberships of of non-surviving nodes are merged
-	// to the survivor.
-	//
-	// This is the inverse of `iD.actionDisconnect`.
-	//
-	// Reference:
-	//   https://github.com/openstreetmap/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/MergeNodesAction.as
-	//   https://github.com/openstreetmap/josm/blob/mirror/src/org/openstreetmap/josm/actions/MergeNodesAction.java
-	//
-	function actionConnect(nodeIDs) {
-	    var action = function(graph) {
-	        var survivor;
-	        var node;
-	        var parents;
-	        var i, j;
-
-	        // Choose a survivor node, prefer an existing (not new) node - #4974
-	        for (i = 0; i < nodeIDs.length; i++) {
-	            survivor = graph.entity(nodeIDs[i]);
-	            if (survivor.version) break;  // found one
-	        }
-
-	        // Replace all non-surviving nodes with the survivor and merge tags.
-	        for (i = 0; i < nodeIDs.length; i++) {
-	            node = graph.entity(nodeIDs[i]);
-	            if (node.id === survivor.id) continue;
-
-	            parents = graph.parentWays(node);
-	            for (j = 0; j < parents.length; j++) {
-	                graph = graph.replace(parents[j].replaceNode(node.id, survivor.id));
-	            }
-
-	            parents = graph.parentRelations(node);
-	            for (j = 0; j < parents.length; j++) {
-	                graph = graph.replace(parents[j].replaceMember(node, survivor));
-	            }
-
-	            survivor = survivor.mergeTags(node.tags);
-	            graph = actionDeleteNode(node.id)(graph);
-	        }
-
-	        graph = graph.replace(survivor);
-
-	        // find and delete any degenerate ways created by connecting adjacent vertices
-	        parents = graph.parentWays(survivor);
-	        for (i = 0; i < parents.length; i++) {
-	            if (parents[i].isDegenerate()) {
-	                graph = actionDeleteWay(parents[i].id)(graph);
-	            }
-	        }
-
-	        return graph;
-	    };
-
-
-	    action.disabled = function(graph) {
-	        var seen = {};
-	        var restrictionIDs = [];
-	        var survivor;
-	        var node, way;
-	        var relations, relation, role;
-	        var i, j, k;
-
-	        // Choose a survivor node, prefer an existing (not new) node - #4974
-	        for (i = 0; i < nodeIDs.length; i++) {
-	            survivor = graph.entity(nodeIDs[i]);
-	            if (survivor.version) break;  // found one
-	        }
-
-	        // 1. disable if the nodes being connected have conflicting relation roles
-	        for (i = 0; i < nodeIDs.length; i++) {
-	            node = graph.entity(nodeIDs[i]);
-	            relations = graph.parentRelations(node);
-
-	            for (j = 0; j < relations.length; j++) {
-	                relation = relations[j];
-	                role = relation.memberById(node.id).role || '';
-
-	                // if this node is a via node in a restriction, remember for later
-	                if (relation.hasFromViaTo()) {
-	                    restrictionIDs.push(relation.id);
-	                }
-
-	                if (seen[relation.id] !== undefined && seen[relation.id] !== role) {
-	                    return 'relation';
-	                } else {
-	                    seen[relation.id] = role;
-	                }
-	            }
-	        }
-
-	        // gather restrictions for parent ways
-	        for (i = 0; i < nodeIDs.length; i++) {
-	            node = graph.entity(nodeIDs[i]);
-
-	            var parents = graph.parentWays(node);
-	            for (j = 0; j < parents.length; j++) {
-	                var parent = parents[j];
-	                relations = graph.parentRelations(parent);
-
-	                for (k = 0; k < relations.length; k++) {
-	                    relation = relations[k];
-	                    if (relation.hasFromViaTo()) {
-	                        restrictionIDs.push(relation.id);
-	                    }
-	                }
-	            }
-	        }
-
-
-	        // test restrictions
-	        restrictionIDs = utilArrayUniq(restrictionIDs);
-	        for (i = 0; i < restrictionIDs.length; i++) {
-	            relation = graph.entity(restrictionIDs[i]);
-	            if (!relation.isComplete(graph)) continue;
-
-	            var memberWays = relation.members
-	                .filter(function(m) { return m.type === 'way'; })
-	                .map(function(m) { return graph.entity(m.id); });
-
-	            memberWays = utilArrayUniq(memberWays);
-	            var f = relation.memberByRole('from');
-	            var t = relation.memberByRole('to');
-	            var isUturn = (f.id === t.id);
-
-	            // 2a. disable if connection would damage a restriction
-	            // (a key node is a node at the junction of ways)
-	            var nodes = { from: [], via: [], to: [], keyfrom: [], keyto: [] };
-	            for (j = 0; j < relation.members.length; j++) {
-	                collectNodes(relation.members[j], nodes);
-	            }
-
-	            nodes.keyfrom = utilArrayUniq(nodes.keyfrom.filter(hasDuplicates));
-	            nodes.keyto = utilArrayUniq(nodes.keyto.filter(hasDuplicates));
-
-	            var filter = keyNodeFilter(nodes.keyfrom, nodes.keyto);
-	            nodes.from = nodes.from.filter(filter);
-	            nodes.via = nodes.via.filter(filter);
-	            nodes.to = nodes.to.filter(filter);
-
-	            var connectFrom = false;
-	            var connectVia = false;
-	            var connectTo = false;
-	            var connectKeyFrom = false;
-	            var connectKeyTo = false;
-
-	            for (j = 0; j < nodeIDs.length; j++) {
-	                var n = nodeIDs[j];
-	                if (nodes.from.indexOf(n) !== -1)    { connectFrom = true; }
-	                if (nodes.via.indexOf(n) !== -1)     { connectVia = true; }
-	                if (nodes.to.indexOf(n) !== -1)      { connectTo = true; }
-	                if (nodes.keyfrom.indexOf(n) !== -1) { connectKeyFrom = true; }
-	                if (nodes.keyto.indexOf(n) !== -1)   { connectKeyTo = true; }
-	            }
-	            if (connectFrom && connectTo && !isUturn) { return 'restriction'; }
-	            if (connectFrom && connectVia) { return 'restriction'; }
-	            if (connectTo   && connectVia) { return 'restriction'; }
-
-	            // connecting to a key node -
-	            // if both nodes are on a member way (i.e. part of the turn restriction),
-	            // the connecting node must be adjacent to the key node.
-	            if (connectKeyFrom || connectKeyTo) {
-	                if (nodeIDs.length !== 2) { return 'restriction'; }
-
-	                var n0 = null;
-	                var n1 = null;
-	                for (j = 0; j < memberWays.length; j++) {
-	                    way = memberWays[j];
-	                    if (way.contains(nodeIDs[0])) { n0 = nodeIDs[0]; }
-	                    if (way.contains(nodeIDs[1])) { n1 = nodeIDs[1]; }
-	                }
-
-	                if (n0 && n1) {    // both nodes are part of the restriction
-	                    var ok = false;
-	                    for (j = 0; j < memberWays.length; j++) {
-	                        way = memberWays[j];
-	                        if (way.areAdjacent(n0, n1)) {
-	                            ok = true;
-	                            break;
-	                        }
-	                    }
-	                    if (!ok) {
-	                        return 'restriction';
-	                    }
-	                }
-	            }
-
-	            // 2b. disable if nodes being connected will destroy a member way in a restriction
-	            // (to test, make a copy and try actually connecting the nodes)
-	            for (j = 0; j < memberWays.length; j++) {
-	                way = memberWays[j].update({});   // make copy
-	                for (k = 0; k < nodeIDs.length; k++) {
-	                    if (nodeIDs[k] === survivor.id) continue;
-
-	                    if (way.areAdjacent(nodeIDs[k], survivor.id)) {
-	                        way = way.removeNode(nodeIDs[k]);
-	                    } else {
-	                        way = way.replaceNode(nodeIDs[k], survivor.id);
-	                    }
-	                }
-	                if (way.isDegenerate()) {
-	                    return 'restriction';
-	                }
-	            }
-	        }
-
-	        return false;
-
-
-	        // if a key node appears multiple times (indexOf !== lastIndexOf) it's a FROM-VIA or TO-VIA junction
-	        function hasDuplicates(n, i, arr) {
-	            return arr.indexOf(n) !== arr.lastIndexOf(n);
-	        }
-
-	        function keyNodeFilter(froms, tos) {
-	            return function(n) {
-	                return froms.indexOf(n) === -1 && tos.indexOf(n) === -1;
-	            };
-	        }
-
-	        function collectNodes(member, collection) {
-	            var entity = graph.hasEntity(member.id);
-	            if (!entity) return;
-
-	            var role = member.role || '';
-	            if (!collection[role]) {
-	                collection[role] = [];
-	            }
-
-	            if (member.type === 'node') {
-	                collection[role].push(member.id);
-	                if (role === 'via') {
-	                    collection.keyfrom.push(member.id);
-	                    collection.keyto.push(member.id);
-	                }
-
-	            } else if (member.type === 'way') {
-	                collection[role].push.apply(collection[role], entity.nodes);
-	                if (role === 'from' || role === 'via') {
-	                    collection.keyfrom.push(entity.first());
-	                    collection.keyfrom.push(entity.last());
-	                }
-	                if (role === 'to' || role === 'via') {
-	                    collection.keyto.push(entity.first());
-	                    collection.keyto.push(entity.last());
-	                }
-	            }
-	        }
-	    };
-
-
-	    return action;
-	}
-
-	function actionCopyEntities(ids, fromGraph) {
-	    var _copies = {};
-
-
-	    var action = function(graph) {
-	        ids.forEach(function(id) {
-	            fromGraph.entity(id).copy(fromGraph, _copies);
-	        });
-
-	        for (var id in _copies) {
-	            graph = graph.replace(_copies[id]);
-	        }
-
-	        return graph;
-	    };
-
-
-	    action.copies = function() {
-	        return _copies;
-	    };
-
-
-	    return action;
-	}
-
-	function actionDeleteMember(relationId, memberIndex) {
-	    return function(graph) {
-	        var relation = graph.entity(relationId)
-	            .removeMember(memberIndex);
-
-	        graph = graph.replace(relation);
-
-	        if (relation.isDegenerate())
-	            graph = actionDeleteRelation(relation.id)(graph);
-
-	        return graph;
-	    };
-	}
-
-	function actionDiscardTags(difference, discardTags) {
-	  discardTags = discardTags || {};
-
-	  return (graph) => {
-	    difference.modified().forEach(checkTags);
-	    difference.created().forEach(checkTags);
-	    return graph;
-
-	    function checkTags(entity) {
-	      const keys = Object.keys(entity.tags);
-	      let didDiscard = false;
-	      let tags = {};
-
-	      for (let i = 0; i < keys.length; i++) {
-	        const k = keys[i];
-	        if (discardTags[k] || !entity.tags[k]) {
-	          didDiscard = true;
-	        } else {
-	          tags[k] = entity.tags[k];
-	        }
-	      }
-	      if (didDiscard) {
-	        graph = graph.replace(entity.update({ tags: tags }));
-	      }
-	    }
-
-	  };
-	}
-
-	// Disconect the ways at the given node.
-	//
-	// Optionally, disconnect only the given ways.
-	//
-	// For testing convenience, accepts an ID to assign to the (first) new node.
-	// Normally, this will be undefined and the way will automatically
-	// be assigned a new ID.
-	//
-	// This is the inverse of `iD.actionConnect`.
-	//
-	// Reference:
-	//   https://github.com/openstreetmap/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/UnjoinNodeAction.as
-	//   https://github.com/openstreetmap/josm/blob/mirror/src/org/openstreetmap/josm/actions/UnGlueAction.java
-	//
-	function actionDisconnect(nodeId, newNodeId) {
-	    var wayIds;
-
-
-	    var action = function(graph) {
-	        var node = graph.entity(nodeId);
-	        var connections = action.connections(graph);
-
-	        connections.forEach(function(connection) {
-	            var way = graph.entity(connection.wayID);
-	            var newNode = osmNode({id: newNodeId, loc: node.loc, tags: node.tags});
-
-	            graph = graph.replace(newNode);
-	            if (connection.index === 0 && way.isArea()) {
-	                // replace shared node with shared node..
-	                graph = graph.replace(way.replaceNode(way.nodes[0], newNode.id));
-	            } else if (way.isClosed() && connection.index === way.nodes.length - 1) {
-	                // replace closing node with new new node..
-	                graph = graph.replace(way.unclose().addNode(newNode.id));
-	            } else {
-	                // replace shared node with multiple new nodes..
-	                graph = graph.replace(way.updateNode(newNode.id, connection.index));
-	            }
-	        });
-
-	        return graph;
-	    };
-
-
-	    action.connections = function(graph) {
-	        var candidates = [];
-	        var keeping = false;
-	        var parentWays = graph.parentWays(graph.entity(nodeId));
-	        var way, waynode;
-	        for (var i = 0; i < parentWays.length; i++) {
-	            way = parentWays[i];
-	            if (wayIds && wayIds.indexOf(way.id) === -1) {
-	                keeping = true;
-	                continue;
-	            }
-	            if (way.isArea() && (way.nodes[0] === nodeId)) {
-	                candidates.push({ wayID: way.id, index: 0 });
-	            } else {
-	                for (var j = 0; j < way.nodes.length; j++) {
-	                    waynode = way.nodes[j];
-	                    if (waynode === nodeId) {
-	                        if (way.isClosed() &&
-	                            parentWays.length > 1 &&
-	                            wayIds &&
-	                            wayIds.indexOf(way.id) !== -1 &&
-	                            j === way.nodes.length - 1) {
-	                            continue;
-	                        }
-	                        candidates.push({ wayID: way.id, index: j });
-	                    }
-	                }
-	            }
-	        }
-
-	        return keeping ? candidates : candidates.slice(1);
-	    };
-
-
-	    action.disabled = function(graph) {
-	        var connections = action.connections(graph);
-	        if (connections.length === 0)
-	            return 'not_connected';
-
-	        var parentWays = graph.parentWays(graph.entity(nodeId));
-	        var seenRelationIds = {};
-	        var sharedRelation;
-
-	        parentWays.forEach(function(way) {
-	            var relations = graph.parentRelations(way);
-	            relations.forEach(function(relation) {
-	                if (relation.id in seenRelationIds) {
-	                    if (wayIds) {
-	                        if (wayIds.indexOf(way.id) !== -1 ||
-	                            wayIds.indexOf(seenRelationIds[relation.id]) !== -1) {
-	                            sharedRelation = relation;
-	                        }
-	                    } else {
-	                        sharedRelation = relation;
-	                    }
-	                } else {
-	                    seenRelationIds[relation.id] = way.id;
-	                }
-	            });
-	        });
-
-	        if (sharedRelation)
-	            return 'relation';
-	    };
-
-
-	    action.limitWays = function(val) {
-	        if (!arguments.length) return wayIds;
-	        wayIds = val;
-	        return action;
-	    };
-
-
-	    return action;
-	}
-
-	function actionExtract(entityID) {
-
-	    var extractedNodeID;
-
-	    var action = function(graph) {
-	        var entity = graph.entity(entityID);
-
-	        if (entity.type === 'node') {
-	            return extractFromNode(entity, graph);
-	        }
-
-	        return extractFromWayOrRelation(entity, graph);
-	    };
-
-	    function extractFromNode(node, graph) {
-
-	        extractedNodeID = node.id;
-
-	        // Create a new node to replace the one we will detach
-	        var replacement = osmNode({ loc: node.loc });
-	        graph = graph.replace(replacement);
-
-	        // Process each way in turn, updating the graph as we go
-	        graph = graph.parentWays(node)
-	            .reduce(function(accGraph, parentWay) {
-	                return accGraph.replace(parentWay.replaceNode(entityID, replacement.id));
-	            }, graph);
-
-	        // Process any relations too
-	        return graph.parentRelations(node)
-	            .reduce(function(accGraph, parentRel) {
-	                return accGraph.replace(parentRel.replaceMember(node, replacement));
-	            }, graph);
-	    }
-
-	    function extractFromWayOrRelation(entity, graph) {
-
-	        var fromGeometry = entity.geometry(graph);
-
-	        var keysToCopyAndRetain = ['source', 'wheelchair'];
-	        var keysToRetain = ['area'];
-	        var buildingKeysToRetain = ['architect', 'building', 'height', 'layer'];
-
-	        var extractedLoc = d3_geoCentroid(entity.asGeoJSON(graph));
-	        if (!extractedLoc  || !isFinite(extractedLoc[0]) || !isFinite(extractedLoc[1])) {
-	            extractedLoc = entity.extent(graph).center();
-	        }
-
-	        var isBuilding = entity.tags.building && entity.tags.building !== 'no';
-
-	        var entityTags = Object.assign({}, entity.tags);  // shallow copy
-	        var pointTags = {};
-	        for (var key in entityTags) {
-
-	            if (entity.type === 'relation' &&
-	                key === 'type') {
-	                continue;
-	            }
-
-	            if (keysToRetain.indexOf(key) !== -1) {
-	                continue;
-	            }
-
-	            if (isBuilding) {
-	                // don't transfer building-related tags
-	                if (buildingKeysToRetain.indexOf(key) !== -1 ||
-	                    key.match(/^building:.{1,}/) ||
-	                    key.match(/^roof:.{1,}/)) continue;
-	            }
-
-	            // copy the tag from the entity to the point
-	            pointTags[key] = entityTags[key];
-
-	            // leave addresses and some other tags so they're on both features
-	            if (keysToCopyAndRetain.indexOf(key) !== -1 ||
-	                key.match(/^addr:.{1,}/)) {
-	                continue;
-	            }
-
-	            // remove the tag from the entity
-	            delete entityTags[key];
-	        }
-
-	        if (!isBuilding && fromGeometry === 'area') {
-	            // ensure that areas keep area geometry
-	            entityTags.area = 'yes';
-	        }
-
-	        var replacement = osmNode({ loc: extractedLoc, tags: pointTags });
-	        graph = graph.replace(replacement);
-
-	        extractedNodeID = replacement.id;
-
-	        return graph.replace(entity.update({tags: entityTags}));
-	    }
-
-	    action.getExtractedNodeID = function() {
-	        return extractedNodeID;
-	    };
-
-	    return action;
-	}
-
-	// Join ways at the end node they share.
-	//
-	// This is the inverse of `iD.actionSplit`.
-	//
-	// Reference:
-	//   https://github.com/systemed/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/MergeWaysAction.as
-	//   https://github.com/openstreetmap/josm/blob/mirror/src/org/openstreetmap/josm/actions/CombineWayAction.java
-	//
-	function actionJoin(ids) {
-
-	    function groupEntitiesByGeometry(graph) {
-	        var entities = ids.map(function(id) { return graph.entity(id); });
-	        return Object.assign(
-	            { line: [] },
-	            utilArrayGroupBy(entities, function(entity) { return entity.geometry(graph); })
-	        );
-	    }
-
-
-	    var action = function(graph) {
-	        var ways = ids.map(graph.entity, graph);
-	        var survivorID = ways[0].id;
-
-	        // if any of the ways are sided (e.g. coastline, cliff, kerb)
-	        // sort them first so they establish the overall order - #6033
-	        ways.sort(function(a, b) {
-	            var aSided = a.isSided();
-	            var bSided = b.isSided();
-	            return (aSided && !bSided) ? -1
-	                : (bSided && !aSided) ? 1
-	                : 0;
-	        });
-
-	        // Prefer to keep an existing way.
-	        for (var i = 0; i < ways.length; i++) {
-	            if (!ways[i].isNew()) {
-	                survivorID = ways[i].id;
-	                break;
-	            }
-	        }
-
-	        var sequences = osmJoinWays(ways, graph);
-	        var joined = sequences[0];
-
-	        // We might need to reverse some of these ways before joining them.  #4688
-	        // `joined.actions` property will contain any actions we need to apply.
-	        graph = sequences.actions.reduce(function(g, action) { return action(g); }, graph);
-
-	        var survivor = graph.entity(survivorID);
-	        survivor = survivor.update({ nodes: joined.nodes.map(function(n) { return n.id; }) });
-	        graph = graph.replace(survivor);
-
-	        joined.forEach(function(way) {
-	            if (way.id === survivorID) return;
-
-	            graph.parentRelations(way).forEach(function(parent) {
-	                graph = graph.replace(parent.replaceMember(way, survivor));
-	            });
-
-	            survivor = survivor.mergeTags(way.tags);
-
-	            graph = graph.replace(survivor);
-	            graph = actionDeleteWay(way.id)(graph);
-	        });
-
-	        // Finds if the join created a single-member multipolygon,
-	        // and if so turns it into a basic area instead
-	        function checkForSimpleMultipolygon() {
-	            if (!survivor.isClosed()) return;
-
-	            var multipolygons = graph.parentMultipolygons(survivor).filter(function(multipolygon) {
-	                // find multipolygons where the survivor is the only member
-	                return multipolygon.members.length === 1;
-	            });
-
-	            // skip if this is the single member of multiple multipolygons
-	            if (multipolygons.length !== 1) return;
-
-	            var multipolygon = multipolygons[0];
-
-	            for (var key in survivor.tags) {
-	                if (multipolygon.tags[key] &&
-	                    // don't collapse if tags cannot be cleanly merged
-	                    multipolygon.tags[key] !== survivor.tags[key]) return;
-	            }
-
-	            survivor = survivor.mergeTags(multipolygon.tags);
-	            graph = graph.replace(survivor);
-	            graph = actionDeleteRelation(multipolygon.id, true /* allow untagged members */)(graph);
-
-	            var tags = Object.assign({}, survivor.tags);
-	            if (survivor.geometry(graph) !== 'area') {
-	                // ensure the feature persists as an area
-	                tags.area = 'yes';
-	            }
-	            delete tags.type; // remove type=multipolygon
-	            survivor = survivor.update({ tags: tags });
-	            graph = graph.replace(survivor);
-	        }
-	        checkForSimpleMultipolygon();
-
-	        return graph;
-	    };
-
-	    // Returns the number of nodes the resultant way is expected to have
-	    action.resultingWayNodesLength = function(graph) {
-	        return ids.reduce(function(count, id) {
-	            return count + graph.entity(id).nodes.length;
-	        }, 0) - ids.length - 1;
-	    };
-
-
-	    action.disabled = function(graph) {
-	        var geometries = groupEntitiesByGeometry(graph);
-	        if (ids.length < 2 || ids.length !== geometries.line.length) {
-	            return 'not_eligible';
-	        }
-
-	        var joined = osmJoinWays(ids.map(graph.entity, graph), graph);
-	        if (joined.length > 1) {
-	            return 'not_adjacent';
-	        }
-
-	        // Loop through all combinations of path-pairs
-	        // to check potential intersections between all pairs
-	        for (var i = 0; i < ids.length - 1; i++) {
-	            for (var j = i + 1; j < ids.length; j++) {
-	                var path1 = graph.childNodes(graph.entity(ids[i]))
-	                    .map(function(e) { return e.loc; });
-	                var path2 = graph.childNodes(graph.entity(ids[j]))
-	                    .map(function(e) { return e.loc; });
-	                var intersections = geoPathIntersections(path1, path2);
-
-	                // Check if intersections are just nodes lying on top of
-	                // each other/the line, as opposed to crossing it
-	                var common = utilArrayIntersection(
-	                    joined[0].nodes.map(function(n) { return n.loc.toString(); }),
-	                    intersections.map(function(n) { return n.toString(); })
-	                );
-	                if (common.length !== intersections.length) {
-	                    return 'paths_intersect';
-	                }
-	            }
-	        }
-
-	        var nodeIds = joined[0].nodes.map(function(n) { return n.id; }).slice(1, -1);
-	        var relation;
-	        var tags = {};
-	        var conflicting = false;
-
-	        joined[0].forEach(function(way) {
-	            var parents = graph.parentRelations(way);
-	            parents.forEach(function(parent) {
-	                if (parent.isRestriction() && parent.members.some(function(m) { return nodeIds.indexOf(m.id) >= 0; })) {
-	                    relation = parent;
-	                }
-	            });
-
-	            for (var k in way.tags) {
-	                if (!(k in tags)) {
-	                    tags[k] = way.tags[k];
-	                } else if (tags[k] && osmIsInterestingTag(k) && tags[k] !== way.tags[k]) {
-	                    conflicting = true;
-	                }
-	            }
-	        });
-
-	        if (relation) {
-	            return 'restriction';
-	        }
-
-	        if (conflicting) {
-	            return 'conflicting_tags';
-	        }
-	    };
-
-
-	    return action;
-	}
-
-	function actionMerge(ids) {
-
-	    function groupEntitiesByGeometry(graph) {
-	        var entities = ids.map(function(id) { return graph.entity(id); });
-	        return Object.assign(
-	            { point: [], area: [], line: [], relation: [] },
-	            utilArrayGroupBy(entities, function(entity) { return entity.geometry(graph); })
-	        );
-	    }
-
-
-	    var action = function(graph) {
-	        var geometries = groupEntitiesByGeometry(graph);
-	        var target = geometries.area[0] || geometries.line[0];
-	        var points = geometries.point;
-
-	        points.forEach(function(point) {
-	            target = target.mergeTags(point.tags);
-	            graph = graph.replace(target);
-
-	            graph.parentRelations(point).forEach(function(parent) {
-	                graph = graph.replace(parent.replaceMember(point, target));
-	            });
-
-	            var nodes = utilArrayUniq(graph.childNodes(target));
-	            var removeNode = point;
-
-	            for (var i = 0; i < nodes.length; i++) {
-	                var node = nodes[i];
-	                if (graph.parentWays(node).length > 1 ||
-	                    graph.parentRelations(node).length ||
-	                    node.hasInterestingTags()) {
-	                    continue;
-	                }
-
-	                // Found an uninteresting child node on the target way.
-	                // Move orig point into its place to preserve point's history. #3683
-	                graph = graph.replace(point.update({ tags: {}, loc: node.loc }));
-	                target = target.replaceNode(node.id, point.id);
-	                graph = graph.replace(target);
-	                removeNode = node;
-	                break;
-	            }
-
-	            graph = graph.remove(removeNode);
-	        });
-
-	        if (target.tags.area === 'yes') {
-	            var tags = Object.assign({}, target.tags); // shallow copy
-	            delete tags.area;
-	            if (osmTagSuggestingArea(tags)) {
-	                // remove the `area` tag if area geometry is now implied - #3851
-	                target = target.update({ tags: tags });
-	                graph = graph.replace(target);
-	            }
-	        }
-
-	        return graph;
-	    };
-
-
-	    action.disabled = function(graph) {
-	        var geometries = groupEntitiesByGeometry(graph);
-	        if (geometries.point.length === 0 ||
-	            (geometries.area.length + geometries.line.length) !== 1 ||
-	            geometries.relation.length !== 0) {
-	            return 'not_eligible';
-	        }
-	    };
-
-
-	    return action;
-	}
-
-	// `actionMergeNodes` is just a combination of:
-	//
-	// 1. move all the nodes to a common location
-	// 2. `actionConnect` them
-
-	function actionMergeNodes(nodeIDs, loc) {
-
-	    // If there is a single "interesting" node, use that as the location.
-	    // Otherwise return the average location of all the nodes.
-	    function chooseLoc(graph) {
-	        if (!nodeIDs.length) return null;
-	        var sum = [0,0];
-	        var interestingCount = 0;
-	        var interestingLoc;
-
-	        for (var i = 0; i < nodeIDs.length; i++) {
-	            var node = graph.entity(nodeIDs[i]);
-	            if (node.hasInterestingTags()) {
-	                interestingLoc = (++interestingCount === 1) ? node.loc : null;
-	            }
-	            sum = geoVecAdd(sum, node.loc);
-	        }
-
-	        return interestingLoc || geoVecScale(sum, 1 / nodeIDs.length);
-	    }
-
-
-	    var action = function(graph) {
-	        if (nodeIDs.length < 2) return graph;
-	        var toLoc = loc;
-	        if (!toLoc) {
-	            toLoc = chooseLoc(graph);
-	        }
-
-	        for (var i = 0; i < nodeIDs.length; i++) {
-	            var node = graph.entity(nodeIDs[i]);
-	            if (node.loc !== toLoc) {
-	                graph = graph.replace(node.move(toLoc));
-	            }
-	        }
-
-	        return actionConnect(nodeIDs)(graph);
-	    };
-
-
-	    action.disabled = function(graph) {
-	        if (nodeIDs.length < 2) return 'not_eligible';
-
-	        for (var i = 0; i < nodeIDs.length; i++) {
-	            var entity = graph.entity(nodeIDs[i]);
-	            if (entity.type !== 'node') return 'not_eligible';
-	        }
-
-	        return actionConnect(nodeIDs).disabled(graph);
-	    };
-
-	    return action;
-	}
-
-	function osmChangeset() {
-	    if (!(this instanceof osmChangeset)) {
-	        return (new osmChangeset()).initialize(arguments);
-	    } else if (arguments.length) {
-	        this.initialize(arguments);
-	    }
-	}
-
-
-	osmEntity.changeset = osmChangeset;
-
-	osmChangeset.prototype = Object.create(osmEntity.prototype);
-
-	Object.assign(osmChangeset.prototype, {
-
-	    type: 'changeset',
-
-
-	    extent: function() {
-	        return new geoExtent();
-	    },
-
-
-	    geometry: function() {
-	        return 'changeset';
-	    },
-
-
-	    asJXON: function() {
-	        return {
-	            osm: {
-	                changeset: {
-	                    tag: Object.keys(this.tags).map(function(k) {
-	                        return { '@k': k, '@v': this.tags[k] };
-	                    }, this),
-	                    '@version': 0.6,
-	                    '@generator': 'iD'
-	                }
-	            }
-	        };
-	    },
-
-
-	    // Generate [osmChange](http://wiki.openstreetmap.org/wiki/OsmChange)
-	    // XML. Returns a string.
-	    osmChangeJXON: function(changes) {
-	        var changeset_id = this.id;
-
-	        function nest(x, order) {
-	            var groups = {};
-	            for (var i = 0; i < x.length; i++) {
-	                var tagName = Object.keys(x[i])[0];
-	                if (!groups[tagName]) groups[tagName] = [];
-	                groups[tagName].push(x[i][tagName]);
-	            }
-	            var ordered = {};
-	            order.forEach(function(o) {
-	                if (groups[o]) ordered[o] = groups[o];
-	            });
-	            return ordered;
-	        }
-
-
-	        // sort relations in a changeset by dependencies
-	        function sort(changes) {
-
-	            // find a referenced relation in the current changeset
-	            function resolve(item) {
-	                return relations.find(function(relation) {
-	                    return item.keyAttributes.type === 'relation'
-	                        && item.keyAttributes.ref === relation['@id'];
-	                });
-	            }
-
-	            // a new item is an item that has not been already processed
-	            function isNew(item) {
-	                return !sorted[ item['@id'] ] && !processing.find(function(proc) {
-	                    return proc['@id'] === item['@id'];
-	                });
-	            }
-
-	            var processing = [];
-	            var sorted = {};
-	            var relations = changes.relation;
-
-	            if (!relations) return changes;
-
-	            for (var i = 0; i < relations.length; i++) {
-	                var relation = relations[i];
-
-	                // skip relation if already sorted
-	                if (!sorted[relation['@id']]) {
-	                    processing.push(relation);
-	                }
-
-	                while (processing.length > 0) {
-	                    var next = processing[0],
-	                    deps = next.member.map(resolve).filter(Boolean).filter(isNew);
-	                    if (deps.length === 0) {
-	                        sorted[next['@id']] = next;
-	                        processing.shift();
-	                    } else {
-	                        processing = deps.concat(processing);
-	                    }
-	                }
-	            }
-
-	            changes.relation = Object.values(sorted);
-	            return changes;
-	        }
-
-	        function rep(entity) {
-	            return entity.asJXON(changeset_id);
-	        }
-
-	        return {
-	            osmChange: {
-	                '@version': 0.6,
-	                '@generator': 'iD',
-	                'create': sort(nest(changes.created.map(rep), ['node', 'way', 'relation'])),
-	                'modify': nest(changes.modified.map(rep), ['node', 'way', 'relation']),
-	                'delete': Object.assign(nest(changes.deleted.map(rep), ['relation', 'way', 'node']), { '@if-unused': true })
-	            }
-	        };
-	    },
-
-
-	    asGeoJSON: function() {
-	        return {};
-	    }
-
-	});
-
-	function osmNote() {
-	    if (!(this instanceof osmNote)) {
-	        return (new osmNote()).initialize(arguments);
-	    } else if (arguments.length) {
-	        this.initialize(arguments);
-	    }
-	}
-
-
-	osmNote.id = function() {
-	    return osmNote.id.next--;
-	};
-
-
-	osmNote.id.next = -1;
-
-
-	Object.assign(osmNote.prototype, {
-
-	    type: 'note',
-
-	    initialize: function(sources) {
-	        for (var i = 0; i < sources.length; ++i) {
-	            var source = sources[i];
-	            for (var prop in source) {
-	                if (Object.prototype.hasOwnProperty.call(source, prop)) {
-	                    if (source[prop] === undefined) {
-	                        delete this[prop];
-	                    } else {
-	                        this[prop] = source[prop];
-	                    }
-	                }
-	            }
-	        }
-
-	        if (!this.id) {
-	            this.id = osmNote.id() + '';  // as string
-	        }
-
-	        return this;
-	    },
-
-	    extent: function() {
-	        return new geoExtent(this.loc);
-	    },
-
-	    update: function(attrs) {
-	        return osmNote(this, attrs); // {v: 1 + (this.v || 0)}
-	    },
-
-	    isNew: function() {
-	        return this.id < 0;
-	    },
-
-	    move: function(loc) {
-	        return this.update({ loc: loc });
-	    }
-
-	});
-
-	function osmRelation() {
-	    if (!(this instanceof osmRelation)) {
-	        return (new osmRelation()).initialize(arguments);
-	    } else if (arguments.length) {
-	        this.initialize(arguments);
-	    }
-	}
-
-
-	osmEntity.relation = osmRelation;
-
-	osmRelation.prototype = Object.create(osmEntity.prototype);
-
-
-	osmRelation.creationOrder = function(a, b) {
-	    var aId = parseInt(osmEntity.id.toOSM(a.id), 10);
-	    var bId = parseInt(osmEntity.id.toOSM(b.id), 10);
-
-	    if (aId < 0 || bId < 0) return aId - bId;
-	    return bId - aId;
-	};
-
-
-	Object.assign(osmRelation.prototype, {
-	    type: 'relation',
-	    members: [],
-
-
-	    copy: function(resolver, copies) {
-	        if (copies[this.id]) return copies[this.id];
-
-	        var copy = osmEntity.prototype.copy.call(this, resolver, copies);
-
-	        var members = this.members.map(function(member) {
-	            return Object.assign({}, member, { id: resolver.entity(member.id).copy(resolver, copies).id });
-	        });
-
-	        copy = copy.update({members: members});
-	        copies[this.id] = copy;
-
-	        return copy;
-	    },
-
-
-	    extent: function(resolver, memo) {
-	        return resolver.transient(this, 'extent', function() {
-	            if (memo && memo[this.id]) return geoExtent();
-	            memo = memo || {};
-	            memo[this.id] = true;
-
-	            var extent = geoExtent();
-	            for (var i = 0; i < this.members.length; i++) {
-	                var member = resolver.hasEntity(this.members[i].id);
-	                if (member) {
-	                    extent._extend(member.extent(resolver, memo));
-	                }
-	            }
-	            return extent;
-	        });
-	    },
-
-
-	    geometry: function(graph) {
-	        return graph.transient(this, 'geometry', function() {
-	            return this.isMultipolygon() ? 'area' : 'relation';
-	        });
-	    },
-
-
-	    isDegenerate: function() {
-	        return this.members.length === 0;
-	    },
-
-
-	    // Return an array of members, each extended with an 'index' property whose value
-	    // is the member index.
-	    indexedMembers: function() {
-	        var result = new Array(this.members.length);
-	        for (var i = 0; i < this.members.length; i++) {
-	            result[i] = Object.assign({}, this.members[i], {index: i});
-	        }
-	        return result;
-	    },
-
-
-	    // Return the first member with the given role. A copy of the member object
-	    // is returned, extended with an 'index' property whose value is the member index.
-	    memberByRole: function(role) {
-	        for (var i = 0; i < this.members.length; i++) {
-	            if (this.members[i].role === role) {
-	                return Object.assign({}, this.members[i], {index: i});
-	            }
-	        }
-	    },
-
-	    // Same as memberByRole, but returns all members with the given role
-	    membersByRole: function(role) {
-	        var result = [];
-	        for (var i = 0; i < this.members.length; i++) {
-	            if (this.members[i].role === role) {
-	                result.push(Object.assign({}, this.members[i], {index: i}));
-	            }
-	        }
-	        return result;
-	    },
-
-	    // Return the first member with the given id. A copy of the member object
-	    // is returned, extended with an 'index' property whose value is the member index.
-	    memberById: function(id) {
-	        for (var i = 0; i < this.members.length; i++) {
-	            if (this.members[i].id === id) {
-	                return Object.assign({}, this.members[i], {index: i});
-	            }
-	        }
-	    },
-
-
-	    // Return the first member with the given id and role. A copy of the member object
-	    // is returned, extended with an 'index' property whose value is the member index.
-	    memberByIdAndRole: function(id, role) {
-	        for (var i = 0; i < this.members.length; i++) {
-	            if (this.members[i].id === id && this.members[i].role === role) {
-	                return Object.assign({}, this.members[i], {index: i});
-	            }
-	        }
-	    },
-
-
-	    addMember: function(member, index) {
-	        var members = this.members.slice();
-	        members.splice(index === undefined ? members.length : index, 0, member);
-	        return this.update({members: members});
-	    },
-
-
-	    updateMember: function(member, index) {
-	        var members = this.members.slice();
-	        members.splice(index, 1, Object.assign({}, members[index], member));
-	        return this.update({members: members});
-	    },
-
-
-	    removeMember: function(index) {
-	        var members = this.members.slice();
-	        members.splice(index, 1);
-	        return this.update({members: members});
-	    },
-
-
-	    removeMembersWithID: function(id) {
-	        var members = this.members.filter(function(m) { return m.id !== id; });
-	        return this.update({members: members});
-	    },
-
-	    moveMember: function(fromIndex, toIndex) {
-	        var members = this.members.slice();
-	        members.splice(toIndex, 0, members.splice(fromIndex, 1)[0]);
-	        return this.update({members: members});
-	    },
-
-
-	    // Wherever a member appears with id `needle.id`, replace it with a member
-	    // with id `replacement.id`, type `replacement.type`, and the original role,
-	    // By default, adding a duplicate member (by id and role) is prevented.
-	    // Return an updated relation.
-	    replaceMember: function(needle, replacement, keepDuplicates) {
-	        if (!this.memberById(needle.id)) return this;
-
-	        var members = [];
-
-	        for (var i = 0; i < this.members.length; i++) {
-	            var member = this.members[i];
-	            if (member.id !== needle.id) {
-	                members.push(member);
-	            } else if (keepDuplicates || !this.memberByIdAndRole(replacement.id, member.role)) {
-	                members.push({ id: replacement.id, type: replacement.type, role: member.role });
-	            }
-	        }
-
-	        return this.update({ members: members });
-	    },
-
-
-	    asJXON: function(changeset_id) {
-	        var r = {
-	            relation: {
-	                '@id': this.osmId(),
-	                '@version': this.version || 0,
-	                member: this.members.map(function(member) {
-	                    return {
-	                        keyAttributes: {
-	                            type: member.type,
-	                            role: member.role,
-	                            ref: osmEntity.id.toOSM(member.id)
-	                        }
-	                    };
-	                }, this),
-	                tag: Object.keys(this.tags).map(function(k) {
-	                    return { keyAttributes: { k: k, v: this.tags[k] } };
-	                }, this)
-	            }
-	        };
-	        if (changeset_id) {
-	            r.relation['@changeset'] = changeset_id;
-	        }
-	        return r;
-	    },
-
-
-	    asGeoJSON: function(resolver) {
-	        return resolver.transient(this, 'GeoJSON', function () {
-	            if (this.isMultipolygon()) {
-	                return {
-	                    type: 'MultiPolygon',
-	                    coordinates: this.multipolygon(resolver)
-	                };
-	            } else {
-	                return {
-	                    type: 'FeatureCollection',
-	                    properties: this.tags,
-	                    features: this.members.map(function (member) {
-	                        return Object.assign({role: member.role}, resolver.entity(member.id).asGeoJSON(resolver));
-	                    })
-	                };
-	            }
-	        });
-	    },
-
-
-	    area: function(resolver) {
-	        return resolver.transient(this, 'area', function() {
-	            return d3_geoArea(this.asGeoJSON(resolver));
-	        });
-	    },
-
-
-	    isMultipolygon: function() {
-	        return this.tags.type === 'multipolygon';
-	    },
-
-
-	    isComplete: function(resolver) {
-	        for (var i = 0; i < this.members.length; i++) {
-	            if (!resolver.hasEntity(this.members[i].id)) {
-	                return false;
-	            }
-	        }
-	        return true;
-	    },
-
-
-	    hasFromViaTo: function() {
-	        return (
-	            this.members.some(function(m) { return m.role === 'from'; }) &&
-	            this.members.some(function(m) { return m.role === 'via'; }) &&
-	            this.members.some(function(m) { return m.role === 'to'; })
-	        );
-	    },
-
-
-	    isRestriction: function() {
-	        return !!(this.tags.type && this.tags.type.match(/^restriction:?/));
-	    },
-
-
-	    isValidRestriction: function() {
-	        if (!this.isRestriction()) return false;
-
-	        var froms = this.members.filter(function(m) { return m.role === 'from'; });
-	        var vias = this.members.filter(function(m) { return m.role === 'via'; });
-	        var tos = this.members.filter(function(m) { return m.role === 'to'; });
-
-	        if (froms.length !== 1 && this.tags.restriction !== 'no_entry') return false;
-	        if (froms.some(function(m) { return m.type !== 'way'; })) return false;
-
-	        if (tos.length !== 1 && this.tags.restriction !== 'no_exit') return false;
-	        if (tos.some(function(m) { return m.type !== 'way'; })) return false;
-
-	        if (vias.length === 0) return false;
-	        if (vias.length > 1 && vias.some(function(m) { return m.type !== 'way'; })) return false;
-
-	        return true;
-	    },
-
-
-	    // Returns an array [A0, ... An], each Ai being an array of node arrays [Nds0, ... Ndsm],
-	    // where Nds0 is an outer ring and subsequent Ndsi's (if any i > 0) being inner rings.
-	    //
-	    // This corresponds to the structure needed for rendering a multipolygon path using a
-	    // `evenodd` fill rule, as well as the structure of a GeoJSON MultiPolygon geometry.
-	    //
-	    // In the case of invalid geometries, this function will still return a result which
-	    // includes the nodes of all way members, but some Nds may be unclosed and some inner
-	    // rings not matched with the intended outer ring.
-	    //
-	    multipolygon: function(resolver) {
-	        var outers = this.members.filter(function(m) { return 'outer' === (m.role || 'outer'); });
-	        var inners = this.members.filter(function(m) { return 'inner' === m.role; });
-
-	        outers = osmJoinWays(outers, resolver);
-	        inners = osmJoinWays(inners, resolver);
-
-	        var sequenceToLineString = function(sequence) {
-	            if (sequence.nodes.length > 2 &&
-	                sequence.nodes[0] !== sequence.nodes[sequence.nodes.length - 1]) {
-	                // close unclosed parts to ensure correct area rendering - #2945
-	                sequence.nodes.push(sequence.nodes[0]);
-	            }
-	            return sequence.nodes.map(function(node) { return node.loc; });
-	        };
-
-	        outers = outers.map(sequenceToLineString);
-	        inners = inners.map(sequenceToLineString);
-
-	        var result = outers.map(function(o) {
-	            // Heuristic for detecting counterclockwise winding order. Assumes
-	            // that OpenStreetMap polygons are not hemisphere-spanning.
-	            return [d3_geoArea({ type: 'Polygon', coordinates: [o] }) > 2 * Math.PI ? o.reverse() : o];
-	        });
-
-	        function findOuter(inner) {
-	            var o, outer;
-
-	            for (o = 0; o < outers.length; o++) {
-	                outer = outers[o];
-	                if (geoPolygonContainsPolygon(outer, inner))
-	                    return o;
-	            }
-
-	            for (o = 0; o < outers.length; o++) {
-	                outer = outers[o];
-	                if (geoPolygonIntersectsPolygon(outer, inner, false))
-	                    return o;
-	            }
-	        }
-
-	        for (var i = 0; i < inners.length; i++) {
-	            var inner = inners[i];
-
-	            if (d3_geoArea({ type: 'Polygon', coordinates: [inner] }) < 2 * Math.PI) {
-	                inner = inner.reverse();
-	            }
-
-	            var o = findOuter(inners[i]);
-	            if (o !== undefined) {
-	                result[o].push(inners[i]);
-	            } else {
-	                result.push([inners[i]]); // Invalid geometry
-	            }
-	        }
-
-	        return result;
-	    }
-	});
-
-	class QAItem {
-	  constructor(loc, service, itemType, id, props) {
-	    // Store required properties
-	    this.loc = loc;
-	    this.service = service.title;
-	    this.itemType = itemType;
-
-	    // All issues must have an ID for selection, use generic if none specified
-	    this.id = id ? id : `${QAItem.id()}`;
-
-	    this.update(props);
-
-	    // Some QA services have marker icons to differentiate issues
-	    if (service && typeof service.getIcon === 'function') {
-	      this.icon = service.getIcon(itemType);
-	    }
-
-	    return this;
-	  }
-
-	  update(props) {
-	    // You can't override this inital information
-	    const { loc, service, itemType, id } = this;
-
-	    Object.keys(props).forEach(prop => this[prop] = props[prop]);
-
-	    this.loc = loc;
-	    this.service = service;
-	    this.itemType = itemType;
-	    this.id = id;
-
-	    return this;
-	  }
-
-	  // Generic handling for newly created QAItems
-	  static id() {
-	    return this.nextId--;
-	  }
-	}
-	QAItem.nextId = -1;
-
-	// Split a way at the given node.
-	//
-	// Optionally, split only the given ways, if multiple ways share
-	// the given node.
-	//
-	// This is the inverse of `iD.actionJoin`.
-	//
-	// For testing convenience, accepts an ID to assign to the new way.
-	// Normally, this will be undefined and the way will automatically
-	// be assigned a new ID.
-	//
-	// Reference:
-	//   https://github.com/systemed/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/SplitWayAction.as
-	//
-	function actionSplit(nodeId, newWayIds) {
-	    var _wayIDs;
-
-	    // The IDs of the ways actually created by running this action
-	    var createdWayIDs = [];
-
-	    // If the way is closed, we need to search for a partner node
-	    // to split the way at.
-	    //
-	    // The following looks for a node that is both far away from
-	    // the initial node in terms of way segment length and nearby
-	    // in terms of beeline-distance. This assures that areas get
-	    // split on the most "natural" points (independent of the number
-	    // of nodes).
-	    // For example: bone-shaped areas get split across their waist
-	    // line, circles across the diameter.
-	    function splitArea(nodes, idxA, graph) {
-	        var lengths = new Array(nodes.length);
-	        var length;
-	        var i;
-	        var best = 0;
-	        var idxB;
-
-	        function wrap(index) {
-	            return utilWrap(index, nodes.length);
-	        }
-
-	        function dist(nA, nB) {
-	            var locA = graph.entity(nA).loc;
-	            var locB = graph.entity(nB).loc;
-	            var epsilon = 1e-6;
-	            return (locA && locB) ? geoSphericalDistance(locA, locB) : epsilon;
-	        }
-
-	        // calculate lengths
-	        length = 0;
-	        for (i = wrap(idxA + 1); i !== idxA; i = wrap(i + 1)) {
-	            length += dist(nodes[i], nodes[wrap(i - 1)]);
-	            lengths[i] = length;
-	        }
-
-	        length = 0;
-	        for (i = wrap(idxA - 1); i !== idxA; i = wrap(i - 1)) {
-	            length += dist(nodes[i], nodes[wrap(i + 1)]);
-	            if (length < lengths[i]) {
-	                lengths[i] = length;
-	            }
-	        }
-
-	        // determine best opposite node to split
-	        for (i = 0; i < nodes.length; i++) {
-	            var cost = lengths[i] / dist(nodes[idxA], nodes[i]);
-	            if (cost > best) {
-	                idxB = i;
-	                best = cost;
-	            }
-	        }
-
-	        return idxB;
-	    }
-
-
-	    function split(graph, wayA, newWayId) {
-	        var wayB = osmWay({ id: newWayId, tags: wayA.tags });   // `wayB` is the NEW way
-	        var origNodes = wayA.nodes.slice();
-	        var nodesA;
-	        var nodesB;
-	        var isArea = wayA.isArea();
-	        var isOuter = osmIsOldMultipolygonOuterMember(wayA, graph);
-
-	        if (wayA.isClosed()) {
-	            var nodes = wayA.nodes.slice(0, -1);
-	            var idxA = nodes.indexOf(nodeId);
-	            var idxB = splitArea(nodes, idxA, graph);
-
-	            if (idxB < idxA) {
-	                nodesA = nodes.slice(idxA).concat(nodes.slice(0, idxB + 1));
-	                nodesB = nodes.slice(idxB, idxA + 1);
-	            } else {
-	                nodesA = nodes.slice(idxA, idxB + 1);
-	                nodesB = nodes.slice(idxB).concat(nodes.slice(0, idxA + 1));
-	            }
-	        } else {
-	            var idx = wayA.nodes.indexOf(nodeId, 1);
-	            nodesA = wayA.nodes.slice(0, idx + 1);
-	            nodesB = wayA.nodes.slice(idx);
-	        }
-
-	        wayA = wayA.update({ nodes: nodesA });
-	        wayB = wayB.update({ nodes: nodesB });
-
-	        graph = graph.replace(wayA);
-	        graph = graph.replace(wayB);
-
-	        graph.parentRelations(wayA).forEach(function(relation) {
-	            var member;
-
-	            // Turn restrictions - make sure:
-	            // 1. Splitting a FROM/TO way - only `wayA` OR `wayB` remains in relation
-	            //    (whichever one is connected to the VIA node/ways)
-	            // 2. Splitting a VIA way - `wayB` remains in relation as a VIA way
-	            if (relation.hasFromViaTo()) {
-	                var f = relation.memberByRole('from');
-	                var v = relation.membersByRole('via');
-	                var t = relation.memberByRole('to');
-	                var i;
-
-	                // 1. split a FROM/TO
-	                if (f.id === wayA.id || t.id === wayA.id) {
-	                    var keepB = false;
-	                    if (v.length === 1 && v[0].type === 'node') {   // check via node
-	                        keepB = wayB.contains(v[0].id);
-	                    } else {                                        // check via way(s)
-	                        for (i = 0; i < v.length; i++) {
-	                            if (v[i].type === 'way') {
-	                                var wayVia = graph.hasEntity(v[i].id);
-	                                if (wayVia && utilArrayIntersection(wayB.nodes, wayVia.nodes).length) {
-	                                    keepB = true;
-	                                    break;
-	                                }
-	                            }
-	                        }
-	                    }
-
-	                    if (keepB) {
-	                        relation = relation.replaceMember(wayA, wayB);
-	                        graph = graph.replace(relation);
-	                    }
-
-	                // 2. split a VIA
-	                } else {
-	                    for (i = 0; i < v.length; i++) {
-	                        if (v[i].type === 'way' && v[i].id === wayA.id) {
-	                            member = {
-	                                id: wayB.id,
-	                                type: 'way',
-	                                role: 'via'
-	                            };
-	                            graph = actionAddMember(relation.id, member, v[i].index + 1)(graph);
-	                            break;
-	                        }
-	                    }
-	                }
-
-	            // All other relations (Routes, Multipolygons, etc):
-	            // 1. Both `wayA` and `wayB` remain in the relation
-	            // 2. But must be inserted as a pair (see `actionAddMember` for details)
-	            } else {
-	                if (relation === isOuter) {
-	                    graph = graph.replace(relation.mergeTags(wayA.tags));
-	                    graph = graph.replace(wayA.update({ tags: {} }));
-	                    graph = graph.replace(wayB.update({ tags: {} }));
-	                }
-
-	                member = {
-	                    id: wayB.id,
-	                    type: 'way',
-	                    role: relation.memberById(wayA.id).role
-	                };
-
-	                var insertPair = {
-	                    originalID: wayA.id,
-	                    insertedID: wayB.id,
-	                    nodes: origNodes
-	                };
-
-	                graph = actionAddMember(relation.id, member, undefined, insertPair)(graph);
-	            }
-	        });
-
-	        if (!isOuter && isArea) {
-	            var multipolygon = osmRelation({
-	                tags: Object.assign({}, wayA.tags, { type: 'multipolygon' }),
-	                members: [
-	                    { id: wayA.id, role: 'outer', type: 'way' },
-	                    { id: wayB.id, role: 'outer', type: 'way' }
-	                ]
-	            });
-
-	            graph = graph.replace(multipolygon);
-	            graph = graph.replace(wayA.update({ tags: {} }));
-	            graph = graph.replace(wayB.update({ tags: {} }));
-	        }
-
-	        createdWayIDs.push(wayB.id);
-
-	        return graph;
-	    }
-
-	    var action = function(graph) {
-	        var candidates = action.ways(graph);
-	        createdWayIDs = [];
-	        for (var i = 0; i < candidates.length; i++) {
-	            graph = split(graph, candidates[i], newWayIds && newWayIds[i]);
-	        }
-	        return graph;
-	    };
-
-	    action.getCreatedWayIDs = function() {
-	        return createdWayIDs;
-	    };
-
-	    action.ways = function(graph) {
-	        var node = graph.entity(nodeId);
-	        var parents = graph.parentWays(node);
-	        var hasLines = parents.some(function(parent) {
-	            return parent.geometry(graph) === 'line';
-	        });
-
-	        return parents.filter(function(parent) {
-	            if (_wayIDs && _wayIDs.indexOf(parent.id) === -1)
-	                return false;
-
-	            if (!_wayIDs && hasLines && parent.geometry(graph) !== 'line')
-	                return false;
-
-	            if (parent.isClosed()) {
-	                return true;
-	            }
-
-	            for (var i = 1; i < parent.nodes.length - 1; i++) {
-	                if (parent.nodes[i] === nodeId) {
-	                    return true;
-	                }
-	            }
-
-	            return false;
-	        });
-	    };
-
-
-	    action.disabled = function(graph) {
-	        var candidates = action.ways(graph);
-	        if (candidates.length === 0 || (_wayIDs && _wayIDs.length !== candidates.length)) {
-	            return 'not_eligible';
-	        }
-	    };
-
-
-	    action.limitWays = function(val) {
-	        if (!arguments.length) return _wayIDs;
-	        _wayIDs = val;
-	        return action;
-	    };
-
-
-	    return action;
-	}
-
-	function coreGraph(other, mutable) {
-	    if (!(this instanceof coreGraph)) return new coreGraph(other, mutable);
-
-	    if (other instanceof coreGraph) {
-	        var base = other.base();
-	        this.entities = Object.assign(Object.create(base.entities), other.entities);
-	        this._parentWays = Object.assign(Object.create(base.parentWays), other._parentWays);
-	        this._parentRels = Object.assign(Object.create(base.parentRels), other._parentRels);
-
-	    } else {
-	        this.entities = Object.create({});
-	        this._parentWays = Object.create({});
-	        this._parentRels = Object.create({});
-	        this.rebase(other || [], [this]);
-	    }
-
-	    this.transients = {};
-	    this._childNodes = {};
-	    this.frozen = !mutable;
-	}
-
-
-	coreGraph.prototype = {
-
-	    hasEntity: function(id) {
-	        return this.entities[id];
-	    },
-
-
-	    entity: function(id) {
-	        var entity = this.entities[id];
-
-	        //https://github.com/openstreetmap/iD/issues/3973#issuecomment-307052376
-	        if (!entity) {
-	            entity = this.entities.__proto__[id];  // eslint-disable-line no-proto
-	        }
-
-	        if (!entity) {
-	            throw new Error('entity ' + id + ' not found');
-	        }
-	        return entity;
-	    },
-
-
-	    geometry: function(id) {
-	        return this.entity(id).geometry(this);
-	    },
-
-
-	    transient: function(entity, key, fn) {
-	        var id = entity.id;
-	        var transients = this.transients[id] || (this.transients[id] = {});
-
-	        if (transients[key] !== undefined) {
-	            return transients[key];
-	        }
-
-	        transients[key] = fn.call(entity);
-
-	        return transients[key];
-	    },
-
-
-	    parentWays: function(entity) {
-	        var parents = this._parentWays[entity.id];
-	        var result = [];
-	        if (parents) {
-	            parents.forEach(function(id) {
-	                result.push(this.entity(id));
-	            }, this);
-	        }
-	        return result;
-	    },
-
-
-	    isPoi: function(entity) {
-	        var parents = this._parentWays[entity.id];
-	        return !parents || parents.size === 0;
-	    },
-
-
-	    isShared: function(entity) {
-	        var parents = this._parentWays[entity.id];
-	        return parents && parents.size > 1;
-	    },
-
-
-	    parentRelations: function(entity) {
-	        var parents = this._parentRels[entity.id];
-	        var result = [];
-	        if (parents) {
-	            parents.forEach(function(id) {
-	                result.push(this.entity(id));
-	            }, this);
-	        }
-	        return result;
-	    },
-
-	    parentMultipolygons: function(entity) {
-	        return this.parentRelations(entity).filter(function(relation) {
-	            return relation.isMultipolygon();
-	        });
-	    },
-
-
-	    childNodes: function(entity) {
-	        if (this._childNodes[entity.id]) return this._childNodes[entity.id];
-	        if (!entity.nodes) return [];
-
-	        var nodes = [];
-	        for (var i = 0; i < entity.nodes.length; i++) {
-	            nodes[i] = this.entity(entity.nodes[i]);
-	        }
-
-	        this._childNodes[entity.id] = nodes;
-	        return this._childNodes[entity.id];
-	    },
-
-
-	    base: function() {
-	        return {
-	            'entities': Object.getPrototypeOf(this.entities),
-	            'parentWays': Object.getPrototypeOf(this._parentWays),
-	            'parentRels': Object.getPrototypeOf(this._parentRels)
-	        };
-	    },
-
-
-	    // Unlike other graph methods, rebase mutates in place. This is because it
-	    // is used only during the history operation that merges newly downloaded
-	    // data into each state. To external consumers, it should appear as if the
-	    // graph always contained the newly downloaded data.
-	    rebase: function(entities, stack, force) {
-	        var base = this.base();
-	        var i, j, k, id;
-
-	        for (i = 0; i < entities.length; i++) {
-	            var entity = entities[i];
-
-	            if (!entity.visible || (!force && base.entities[entity.id]))
-	                continue;
-
-	            // Merging data into the base graph
-	            base.entities[entity.id] = entity;
-	            this._updateCalculated(undefined, entity, base.parentWays, base.parentRels);
-
-	            // Restore provisionally-deleted nodes that are discovered to have an extant parent
-	            if (entity.type === 'way') {
-	                for (j = 0; j < entity.nodes.length; j++) {
-	                    id = entity.nodes[j];
-	                    for (k = 1; k < stack.length; k++) {
-	                        var ents = stack[k].entities;
-	                        if (ents.hasOwnProperty(id) && ents[id] === undefined) {
-	                            delete ents[id];
-	                        }
-	                    }
-	                }
-	            }
-	        }
-
-	        for (i = 0; i < stack.length; i++) {
-	            stack[i]._updateRebased();
-	        }
-	    },
-
-
-	    _updateRebased: function() {
-	        var base = this.base();
-
-	        Object.keys(this._parentWays).forEach(function(child) {
-	            if (base.parentWays[child]) {
-	                base.parentWays[child].forEach(function(id) {
-	                    if (!this.entities.hasOwnProperty(id)) {
-	                        this._parentWays[child].add(id);
-	                    }
-	                }, this);
-	            }
-	        }, this);
-
-	        Object.keys(this._parentRels).forEach(function(child) {
-	            if (base.parentRels[child]) {
-	                base.parentRels[child].forEach(function(id) {
-	                    if (!this.entities.hasOwnProperty(id)) {
-	                        this._parentRels[child].add(id);
-	                    }
-	                }, this);
-	            }
-	        }, this);
-
-	        this.transients = {};
-
-	        // this._childNodes is not updated, under the assumption that
-	        // ways are always downloaded with their child nodes.
-	    },
-
-
-	    // Updates calculated properties (parentWays, parentRels) for the specified change
-	    _updateCalculated: function(oldentity, entity, parentWays, parentRels) {
-	        parentWays = parentWays || this._parentWays;
-	        parentRels = parentRels || this._parentRels;
-
-	        var type = entity && entity.type || oldentity && oldentity.type;
-	        var removed, added, i;
-
-	        if (type === 'way') {   // Update parentWays
-	            if (oldentity && entity) {
-	                removed = utilArrayDifference(oldentity.nodes, entity.nodes);
-	                added = utilArrayDifference(entity.nodes, oldentity.nodes);
-	            } else if (oldentity) {
-	                removed = oldentity.nodes;
-	                added = [];
-	            } else if (entity) {
-	                removed = [];
-	                added = entity.nodes;
-	            }
-	            for (i = 0; i < removed.length; i++) {
-	                // make a copy of prototype property, store as own property, and update..
-	                parentWays[removed[i]] = new Set(parentWays[removed[i]]);
-	                parentWays[removed[i]].delete(oldentity.id);
-	            }
-	            for (i = 0; i < added.length; i++) {
-	                // make a copy of prototype property, store as own property, and update..
-	                parentWays[added[i]] = new Set(parentWays[added[i]]);
-	                parentWays[added[i]].add(entity.id);
-	            }
-
-	        } else if (type === 'relation') {   // Update parentRels
-
-	            // diff only on the IDs since the same entity can be a member multiple times with different roles
-	            var oldentityMemberIDs = oldentity ? oldentity.members.map(function(m) { return m.id; }) : [];
-	            var entityMemberIDs = entity ? entity.members.map(function(m) { return m.id; }) : [];
-
-	            if (oldentity && entity) {
-	                removed = utilArrayDifference(oldentityMemberIDs, entityMemberIDs);
-	                added = utilArrayDifference(entityMemberIDs, oldentityMemberIDs);
-	            } else if (oldentity) {
-	                removed = oldentityMemberIDs;
-	                added = [];
-	            } else if (entity) {
-	                removed = [];
-	                added = entityMemberIDs;
-	            }
-	            for (i = 0; i < removed.length; i++) {
-	                // make a copy of prototype property, store as own property, and update..
-	                parentRels[removed[i]] = new Set(parentRels[removed[i]]);
-	                parentRels[removed[i]].delete(oldentity.id);
-	            }
-	            for (i = 0; i < added.length; i++) {
-	                // make a copy of prototype property, store as own property, and update..
-	                parentRels[added[i]] = new Set(parentRels[added[i]]);
-	                parentRels[added[i]].add(entity.id);
-	            }
-	        }
-	    },
-
-
-	    replace: function(entity) {
-	        if (this.entities[entity.id] === entity) return this;
-
-	        return this.update(function() {
-	            this._updateCalculated(this.entities[entity.id], entity);
-	            this.entities[entity.id] = entity;
-	        });
-	    },
-
-
-	    remove: function(entity) {
-	        return this.update(function() {
-	            this._updateCalculated(entity, undefined);
-	            this.entities[entity.id] = undefined;
-	        });
-	    },
-
-
-	    revert: function(id) {
-	        var baseEntity = this.base().entities[id];
-	        var headEntity = this.entities[id];
-	        if (headEntity === baseEntity) return this;
-
-	        return this.update(function() {
-	            this._updateCalculated(headEntity, baseEntity);
-	            delete this.entities[id];
-	        });
-	    },
-
-
-	    update: function() {
-	        var graph = this.frozen ? coreGraph(this, true) : this;
-	        for (var i = 0; i < arguments.length; i++) {
-	            arguments[i].call(graph, graph);
-	        }
-
-	        if (this.frozen) graph.frozen = true;
-
-	        return graph;
-	    },
-
-
-	    // Obliterates any existing entities
-	    load: function(entities) {
-	        var base = this.base();
-	        this.entities = Object.create(base.entities);
-
-	        for (var i in entities) {
-	            this.entities[i] = entities[i];
-	            this._updateCalculated(base.entities[i], this.entities[i]);
-	        }
-
-	        return this;
-	    }
-	};
-
-	function osmTurn(turn) {
-	    if (!(this instanceof osmTurn)) {
-	        return new osmTurn(turn);
-	    }
-	    Object.assign(this, turn);
-	}
-
-
-	function osmIntersection(graph, startVertexId, maxDistance) {
-	    maxDistance = maxDistance || 30;    // in meters
-	    var vgraph = coreGraph();           // virtual graph
-	    var i, j, k;
-
-
-	    function memberOfRestriction(entity) {
-	        return graph.parentRelations(entity)
-	            .some(function(r) { return r.isRestriction(); });
-	    }
-
-	    function isRoad(way) {
-	        if (way.isArea() || way.isDegenerate()) return false;
-	        var roads = {
-	            'motorway': true,
-	            'motorway_link': true,
-	            'trunk': true,
-	            'trunk_link': true,
-	            'primary': true,
-	            'primary_link': true,
-	            'secondary': true,
-	            'secondary_link': true,
-	            'tertiary': true,
-	            'tertiary_link': true,
-	            'residential': true,
-	            'unclassified': true,
-	            'living_street': true,
-	            'service': true,
-	            'road': true,
-	            'track': true
-	        };
-	        return roads[way.tags.highway];
-	    }
-
-
-	    var startNode = graph.entity(startVertexId);
-	    var checkVertices = [startNode];
-	    var checkWays;
-	    var vertices = [];
-	    var vertexIds = [];
-	    var vertex;
-	    var ways = [];
-	    var wayIds = [];
-	    var way;
-	    var nodes = [];
-	    var node;
-	    var parents = [];
-	    var parent;
-
-	    // `actions` will store whatever actions must be performed to satisfy
-	    // preconditions for adding a turn restriction to this intersection.
-	    //  - Remove any existing degenerate turn restrictions (missing from/to, etc)
-	    //  - Reverse oneways so that they are drawn in the forward direction
-	    //  - Split ways on key vertices
-	    var actions = [];
-
-
-	    // STEP 1:  walk the graph outwards from starting vertex to search
-	    //  for more key vertices and ways to include in the intersection..
-
-	    while (checkVertices.length) {
-	        vertex = checkVertices.pop();
-
-	        // check this vertex for parent ways that are roads
-	        checkWays = graph.parentWays(vertex);
-	        var hasWays = false;
-	        for (i = 0; i < checkWays.length; i++) {
-	            way = checkWays[i];
-	            if (!isRoad(way) && !memberOfRestriction(way)) continue;
-
-	            ways.push(way);   // it's a road, or it's already in a turn restriction
-	            hasWays = true;
-
-	            // check the way's children for more key vertices
-	            nodes = utilArrayUniq(graph.childNodes(way));
-	            for (j = 0; j < nodes.length; j++) {
-	                node = nodes[j];
-	                if (node === vertex) continue;                                           // same thing
-	                if (vertices.indexOf(node) !== -1) continue;                             // seen it already
-	                if (geoSphericalDistance(node.loc, startNode.loc) > maxDistance) continue;   // too far from start
-
-	                // a key vertex will have parents that are also roads
-	                var hasParents = false;
-	                parents = graph.parentWays(node);
-	                for (k = 0; k < parents.length; k++) {
-	                    parent = parents[k];
-	                    if (parent === way) continue;                 // same thing
-	                    if (ways.indexOf(parent) !== -1) continue;    // seen it already
-	                    if (!isRoad(parent)) continue;                // not a road
-	                    hasParents = true;
-	                    break;
-	                }
-
-	                if (hasParents) {
-	                    checkVertices.push(node);
-	                }
-	            }
-	        }
-
-	        if (hasWays) {
-	            vertices.push(vertex);
-	        }
-	    }
-
-	    vertices = utilArrayUniq(vertices);
-	    ways = utilArrayUniq(ways);
-
-
-	    // STEP 2:  Build a virtual graph containing only the entities in the intersection..
-	    // Everything done after this step should act on the virtual graph
-	    // Any actions that must be performed later to the main graph go in `actions` array
-	    ways.forEach(function(way) {
-	        graph.childNodes(way).forEach(function(node) {
-	            vgraph = vgraph.replace(node);
-	        });
-
-	        vgraph = vgraph.replace(way);
-
-	        graph.parentRelations(way).forEach(function(relation) {
-	            if (relation.isRestriction()) {
-	                if (relation.isValidRestriction(graph)) {
-	                    vgraph = vgraph.replace(relation);
-	                } else if (relation.isComplete(graph)) {
-	                    actions.push(actionDeleteRelation(relation.id));
-	                }
-	            }
-	        });
-	    });
-
-
-	    // STEP 3:  Force all oneways to be drawn in the forward direction
-	    ways.forEach(function(w) {
-	        var way = vgraph.entity(w.id);
-	        if (way.tags.oneway === '-1') {
-	            var action = actionReverse(way.id, { reverseOneway: true });
-	            actions.push(action);
-	            vgraph = action(vgraph);
-	        }
-	    });
-
-
-	    // STEP 4:  Split ways on key vertices
-	    var origCount = osmEntity.id.next.way;
-	    vertices.forEach(function(v) {
-	        // This is an odd way to do it, but we need to find all the ways that
-	        // will be split here, then split them one at a time to ensure that these
-	        // actions can be replayed on the main graph exactly in the same order.
-	        // (It is unintuitive, but the order of ways returned from graph.parentWays()
-	        // is arbitrary, depending on how the main graph and vgraph were built)
-	        var splitAll = actionSplit(v.id);
-	        if (!splitAll.disabled(vgraph)) {
-	            splitAll.ways(vgraph).forEach(function(way) {
-	                var splitOne = actionSplit(v.id).limitWays([way.id]);
-	                actions.push(splitOne);
-	                vgraph = splitOne(vgraph);
-	            });
-	        }
-	    });
-
-	    // In here is where we should also split the intersection at nearby junction.
-	    //   for https://github.com/mapbox/iD-internal/issues/31
-	    // nearbyVertices.forEach(function(v) {
-	    // });
-
-	    // Reasons why we reset the way id count here:
-	    //  1. Continuity with way ids created by the splits so that we can replay
-	    //     these actions later if the user decides to create a turn restriction
-	    //  2. Avoids churning way ids just by hovering over a vertex
-	    //     and displaying the turn restriction editor
-	    osmEntity.id.next.way = origCount;
-
-
-	    // STEP 5:  Update arrays to point to vgraph entities
-	    vertexIds = vertices.map(function(v) { return v.id; });
-	    vertices = [];
-	    ways = [];
-
-	    vertexIds.forEach(function(id) {
-	        var vertex = vgraph.entity(id);
-	        var parents = vgraph.parentWays(vertex);
-	        vertices.push(vertex);
-	        ways = ways.concat(parents);
-	    });
-
-	    vertices = utilArrayUniq(vertices);
-	    ways = utilArrayUniq(ways);
-
-	    vertexIds = vertices.map(function(v) { return v.id; });
-	    wayIds = ways.map(function(w) { return w.id; });
-
-
-	    // STEP 6:  Update the ways with some metadata that will be useful for
-	    // walking the intersection graph later and rendering turn arrows.
-
-	    function withMetadata(way, vertexIds) {
-	        var __oneWay = way.isOneWay();
-
-	        // which affixes are key vertices?
-	        var __first = (vertexIds.indexOf(way.first()) !== -1);
-	        var __last = (vertexIds.indexOf(way.last()) !== -1);
-
-	        // what roles is this way eligible for?
-	        var __via = (__first && __last);
-	        var __from = ((__first && !__oneWay) || __last);
-	        var __to = (__first || (__last && !__oneWay));
-
-	        return way.update({
-	            __first:  __first,
-	            __last:  __last,
-	            __from:  __from,
-	            __via: __via,
-	            __to:  __to,
-	            __oneWay:  __oneWay
-	        });
-	    }
-
-	    ways = [];
-	    wayIds.forEach(function(id) {
-	        var way = withMetadata(vgraph.entity(id), vertexIds);
-	        vgraph = vgraph.replace(way);
-	        ways.push(way);
-	    });
-
-
-	    // STEP 7:  Simplify - This is an iterative process where we:
-	    //  1. Find trivial vertices with only 2 parents
-	    //  2. trim off the leaf way from those vertices and remove from vgraph
-
-	    var keepGoing;
-	    var removeWayIds = [];
-	    var removeVertexIds = [];
-
-	    do {
-	        keepGoing = false;
-	        checkVertices = vertexIds.slice();
-
-	        for (i = 0; i < checkVertices.length; i++) {
-	            var vertexId = checkVertices[i];
-	            vertex = vgraph.hasEntity(vertexId);
-
-	            if (!vertex) {
-	                if (vertexIds.indexOf(vertexId) !== -1) {
-	                    vertexIds.splice(vertexIds.indexOf(vertexId), 1);   // stop checking this one
-	                }
-	                removeVertexIds.push(vertexId);
-	                continue;
-	            }
-
-	            parents = vgraph.parentWays(vertex);
-	            if (parents.length < 3) {
-	                if (vertexIds.indexOf(vertexId) !== -1) {
-	                    vertexIds.splice(vertexIds.indexOf(vertexId), 1);   // stop checking this one
-	                }
-	            }
-
-	            if (parents.length === 2) {     // vertex with 2 parents is trivial
-	                var a = parents[0];
-	                var b = parents[1];
-	                var aIsLeaf = a && !a.__via;
-	                var bIsLeaf = b && !b.__via;
-	                var leaf, survivor;
-
-	                if (aIsLeaf && !bIsLeaf) {
-	                    leaf = a;
-	                    survivor = b;
-	                } else if (!aIsLeaf && bIsLeaf) {
-	                    leaf = b;
-	                    survivor = a;
-	                }
-
-	                if (leaf && survivor) {
-	                    survivor = withMetadata(survivor, vertexIds);      // update survivor way
-	                    vgraph = vgraph.replace(survivor).remove(leaf);    // update graph
-	                    removeWayIds.push(leaf.id);
-	                    keepGoing = true;
-	                }
-	            }
-
-	            parents = vgraph.parentWays(vertex);
-
-	            if (parents.length < 2) {     // vertex is no longer a key vertex
-	                if (vertexIds.indexOf(vertexId) !== -1) {
-	                    vertexIds.splice(vertexIds.indexOf(vertexId), 1);   // stop checking this one
-	                }
-	                removeVertexIds.push(vertexId);
-	                keepGoing = true;
-	            }
-
-	            if (parents.length < 1) {     // vertex is no longer attached to anything
-	                vgraph = vgraph.remove(vertex);
-	            }
-
-	        }
-	    } while (keepGoing);
-
-
-	    vertices = vertices
-	        .filter(function(vertex) { return removeVertexIds.indexOf(vertex.id) === -1; })
-	        .map(function(vertex) { return vgraph.entity(vertex.id); });
-	    ways = ways
-	        .filter(function(way) { return removeWayIds.indexOf(way.id) === -1; })
-	        .map(function(way) { return vgraph.entity(way.id); });
-
-
-	    // OK!  Here is our intersection..
-	    var intersection = {
-	        graph: vgraph,
-	        actions: actions,
-	        vertices: vertices,
-	        ways: ways,
-	    };
-
-
-
-	    // Get all the valid turns through this intersection given a starting way id.
-	    // This operates on the virtual graph for everything.
-	    //
-	    // Basically, walk through all possible paths from starting way,
-	    //   honoring the existing turn restrictions as we go (watch out for loops!)
-	    //
-	    // For each path found, generate and return a `osmTurn` datastructure.
-	    //
-	    intersection.turns = function(fromWayId, maxViaWay) {
-	        if (!fromWayId) return [];
-	        if (!maxViaWay) maxViaWay = 0;
-
-	        var vgraph = intersection.graph;
-	        var keyVertexIds = intersection.vertices.map(function(v) { return v.id; });
-
-	        var start = vgraph.entity(fromWayId);
-	        if (!start || !(start.__from || start.__via)) return [];
-
-	        // maxViaWay=0   from-*-to              (0 vias)
-	        // maxViaWay=1   from-*-via-*-to        (1 via max)
-	        // maxViaWay=2   from-*-via-*-via-*-to  (2 vias max)
-	        var maxPathLength = (maxViaWay * 2) + 3;
-	        var turns = [];
-
-	        step(start);
-	        return turns;
-
-
-	        // traverse the intersection graph and find all the valid paths
-	        function step(entity, currPath, currRestrictions, matchedRestriction) {
-	            currPath = (currPath || []).slice();  // shallow copy
-	            if (currPath.length >= maxPathLength) return;
-	            currPath.push(entity.id);
-	            currRestrictions = (currRestrictions || []).slice();  // shallow copy
-	            var i, j;
-
-	            if (entity.type === 'node') {
-	                var parents = vgraph.parentWays(entity);
-	                var nextWays = [];
-
-	                // which ways can we step into?
-	                for (i = 0; i < parents.length; i++) {
-	                    var way = parents[i];
-
-	                    // if next way is a oneway incoming to this vertex, skip
-	                    if (way.__oneWay && way.nodes[0] !== entity.id) continue;
-
-	                    // if we have seen it before (allowing for an initial u-turn), skip
-	                    if (currPath.indexOf(way.id) !== -1 && currPath.length >= 3) continue;
-
-	                    // Check all "current" restrictions (where we've already walked the `FROM`)
-	                    var restrict = undefined;
-	                    for (j = 0; j < currRestrictions.length; j++) {
-	                        var restriction = currRestrictions[j];
-	                        var f = restriction.memberByRole('from');
-	                        var v = restriction.membersByRole('via');
-	                        var t = restriction.memberByRole('to');
-	                        var isOnly = /^only_/.test(restriction.tags.restriction);
-
-	                        // Does the current path match this turn restriction?
-	                        var matchesFrom = (f.id === fromWayId);
-	                        var matchesViaTo = false;
-	                        var isAlongOnlyPath = false;
-
-	                        if (t.id === way.id) {     // match TO
-
-	                            if (v.length === 1 && v[0].type === 'node') {    // match VIA node
-	                                matchesViaTo = (v[0].id === entity.id && (
-	                                    (matchesFrom && currPath.length === 2) ||
-	                                    (!matchesFrom && currPath.length > 2)
-	                                ));
-
-	                            } else {                                         // match all VIA ways
-	                                var pathVias = [];
-	                                for (k = 2; k < currPath.length; k +=2 ) {   // k = 2 skips FROM
-	                                    pathVias.push(currPath[k]);              // (path goes way-node-way...)
-	                                }
-	                                var restrictionVias = [];
-	                                for (k = 0; k < v.length; k++) {
-	                                    if (v[k].type === 'way') {
-	                                        restrictionVias.push(v[k].id);
-	                                    }
-	                                }
-	                                var diff = utilArrayDifference(pathVias, restrictionVias);
-	                                matchesViaTo = !diff.length;
-	                            }
-
-	                        } else if (isOnly) {
-	                            for (k = 0; k < v.length; k++) {
-	                                // way doesn't match TO, but is one of the via ways along the path of an "only"
-	                                if (v[k].type === 'way' && v[k].id === way.id) {
-	                                    isAlongOnlyPath = true;
-	                                    break;
-	                                }
-	                            }
-	                        }
-
-	                        if (matchesViaTo) {
-	                            if (isOnly) {
-	                                restrict = { id: restriction.id, direct: matchesFrom, from: f.id, only: true, end: true };
-	                            } else {
-	                                restrict = { id: restriction.id, direct: matchesFrom, from: f.id, no: true, end: true };
-	                            }
-	                        } else {    // indirect - caused by a different nearby restriction
-	                            if (isAlongOnlyPath) {
-	                                restrict = { id: restriction.id, direct: false, from: f.id, only: true, end: false };
-	                            } else if (isOnly) {
-	                                restrict = { id: restriction.id, direct: false, from: f.id, no: true, end: true };
-	                            }
-	                        }
-
-	                        // stop looking if we find a "direct" restriction (matching FROM, VIA, TO)
-	                        if (restrict && restrict.direct)
-	                            break;
-	                    }
-
-	                    nextWays.push({ way: way, restrict: restrict });
-	                }
-
-	                nextWays.forEach(function(nextWay) {
-	                    step(nextWay.way, currPath, currRestrictions, nextWay.restrict);
-	                });
-
-
-	            } else {  // entity.type === 'way'
-	                if (currPath.length >= 3) {     // this is a "complete" path..
-	                    var turnPath = currPath.slice();   // shallow copy
-
-	                    // an indirect restriction - only include the partial path (starting at FROM)
-	                    if (matchedRestriction && matchedRestriction.direct === false) {
-	                        for (i = 0; i < turnPath.length; i++) {
-	                            if (turnPath[i] === matchedRestriction.from) {
-	                                turnPath = turnPath.slice(i);
-	                                break;
-	                            }
-	                        }
-	                    }
-
-	                    var turn = pathToTurn(turnPath);
-	                    if (turn) {
-	                        if (matchedRestriction) {
-	                            turn.restrictionID = matchedRestriction.id;
-	                            turn.no = matchedRestriction.no;
-	                            turn.only = matchedRestriction.only;
-	                            turn.direct = matchedRestriction.direct;
-	                        }
-	                        turns.push(osmTurn(turn));
-	                    }
-
-	                    if (currPath[0] === currPath[2]) return;   // if we made a u-turn - stop here
-	                }
-
-	                if (matchedRestriction && matchedRestriction.end) return;  // don't advance any further
-
-	                // which nodes can we step into?
-	                var n1 = vgraph.entity(entity.first());
-	                var n2 = vgraph.entity(entity.last());
-	                var dist = geoSphericalDistance(n1.loc, n2.loc);
-	                var nextNodes = [];
-
-	                if (currPath.length > 1) {
-	                    if (dist > maxDistance) return;   // the next node is too far
-	                    if (!entity.__via) return;        // this way is a leaf / can't be a via
-	                }
-
-	                if (!entity.__oneWay &&                     // bidirectional..
-	                    keyVertexIds.indexOf(n1.id) !== -1 &&   // key vertex..
-	                    currPath.indexOf(n1.id) === -1) {       // haven't seen it yet..
-	                    nextNodes.push(n1);                     // can advance to first node
-	                }
-	                if (keyVertexIds.indexOf(n2.id) !== -1 &&   // key vertex..
-	                    currPath.indexOf(n2.id) === -1) {       // haven't seen it yet..
-	                    nextNodes.push(n2);                     // can advance to last node
-	                }
-
-	                nextNodes.forEach(function(nextNode) {
-	                    // gather restrictions FROM this way
-	                    var fromRestrictions = vgraph.parentRelations(entity).filter(function(r) {
-	                        if (!r.isRestriction()) return false;
-
-	                        var f = r.memberByRole('from');
-	                        if (!f || f.id !== entity.id) return false;
-
-	                        var isOnly = /^only_/.test(r.tags.restriction);
-	                        if (!isOnly) return true;
-
-	                        // `only_` restrictions only matter along the direction of the VIA - #4849
-	                        var isOnlyVia = false;
-	                        var v = r.membersByRole('via');
-	                        if (v.length === 1 && v[0].type === 'node') {   // via node
-	                            isOnlyVia = (v[0].id === nextNode.id);
-	                        } else {                                        // via way(s)
-	                            for (var i = 0; i < v.length; i++) {
-	                                if (v[i].type !== 'way') continue;
-	                                var viaWay = vgraph.entity(v[i].id);
-	                                if (viaWay.first() === nextNode.id || viaWay.last() === nextNode.id) {
-	                                    isOnlyVia = true;
-	                                    break;
-	                                }
-	                            }
-	                        }
-	                        return isOnlyVia;
-	                    });
-
-	                    step(nextNode, currPath, currRestrictions.concat(fromRestrictions), false);
-	                });
-	            }
-	        }
-
-
-	        // assumes path is alternating way-node-way of odd length
-	        function pathToTurn(path) {
-	            if (path.length < 3) return;
-	            var fromWayId, fromNodeId, fromVertexId;
-	            var toWayId, toNodeId, toVertexId;
-	            var viaWayIds, viaNodeId, isUturn;
-
-	            fromWayId = path[0];
-	            toWayId = path[path.length - 1];
-
-	            if (path.length === 3 && fromWayId === toWayId) {  // u turn
-	                var way = vgraph.entity(fromWayId);
-	                if (way.__oneWay) return null;
-
-	                isUturn = true;
-	                viaNodeId = fromVertexId = toVertexId = path[1];
-	                fromNodeId = toNodeId = adjacentNode(fromWayId, viaNodeId);
-
-	            } else {
-	                isUturn = false;
-	                fromVertexId = path[1];
-	                fromNodeId = adjacentNode(fromWayId, fromVertexId);
-	                toVertexId = path[path.length - 2];
-	                toNodeId = adjacentNode(toWayId, toVertexId);
-
-	                if (path.length === 3) {
-	                    viaNodeId = path[1];
-	                } else {
-	                    viaWayIds = path.filter(function(entityId) { return entityId[0] === 'w'; });
-	                    viaWayIds = viaWayIds.slice(1, viaWayIds.length - 1);  // remove first, last
-	                }
-	            }
-
-	            return {
-	                key:  path.join('_'),
-	                path: path,
-	                from: { node: fromNodeId, way:  fromWayId, vertex: fromVertexId },
-	                via:  { node: viaNodeId,  ways: viaWayIds },
-	                to:   { node: toNodeId,   way:  toWayId, vertex: toVertexId },
-	                u:    isUturn
-	            };
-
-
-	            function adjacentNode(wayId, affixId) {
-	                var nodes = vgraph.entity(wayId).nodes;
-	                return affixId === nodes[0] ? nodes[1] : nodes[nodes.length - 2];
-	            }
-	        }
-
-	    };
-
-	    return intersection;
-	}
-
-
-	function osmInferRestriction(graph, turn, projection) {
-	    var fromWay = graph.entity(turn.from.way);
-	    var fromNode = graph.entity(turn.from.node);
-	    var fromVertex = graph.entity(turn.from.vertex);
-	    var toWay = graph.entity(turn.to.way);
-	    var toNode = graph.entity(turn.to.node);
-	    var toVertex = graph.entity(turn.to.vertex);
-
-	    var fromOneWay = (fromWay.tags.oneway === 'yes');
-	    var toOneWay = (toWay.tags.oneway === 'yes');
-	    var angle = (geoAngle(fromVertex, fromNode, projection) -
-	                geoAngle(toVertex, toNode, projection)) * 180 / Math.PI;
-
-	    while (angle < 0)
-	        angle += 360;
-
-	    if (fromNode === toNode)
-	        return 'no_u_turn';
-	    if ((angle < 23 || angle > 336) && fromOneWay && toOneWay)
-	        return 'no_u_turn';   // wider tolerance for u-turn if both ways are oneway
-	    if ((angle < 40 || angle > 319) && fromOneWay && toOneWay && turn.from.vertex !== turn.to.vertex)
-	        return 'no_u_turn';   // even wider tolerance for u-turn if there is a via way (from !== to)
-	    if (angle < 158)
-	        return 'no_right_turn';
-	    if (angle > 202)
-	        return 'no_left_turn';
-
-	    return 'no_straight_on';
-	}
-
-	function actionMergePolygon(ids, newRelationId) {
-
-	    function groupEntities(graph) {
-	        var entities = ids.map(function (id) { return graph.entity(id); });
-	        var geometryGroups = utilArrayGroupBy(entities, function(entity) {
-	            if (entity.type === 'way' && entity.isClosed()) {
-	                return 'closedWay';
-	            } else if (entity.type === 'relation' && entity.isMultipolygon()) {
-	                return 'multipolygon';
-	            } else {
-	                return 'other';
-	            }
-	        });
-
-	        return Object.assign(
-	            { closedWay: [], multipolygon: [], other: [] },
-	            geometryGroups
-	        );
-	    }
-
-
-	    var action = function(graph) {
-	        var entities = groupEntities(graph);
-
-	        // An array representing all the polygons that are part of the multipolygon.
-	        //
-	        // Each element is itself an array of objects with an id property, and has a
-	        // locs property which is an array of the locations forming the polygon.
-	        var polygons = entities.multipolygon.reduce(function(polygons, m) {
-	            return polygons.concat(osmJoinWays(m.members, graph));
-	        }, []).concat(entities.closedWay.map(function(d) {
-	            var member = [{id: d.id}];
-	            member.nodes = graph.childNodes(d);
-	            return member;
-	        }));
-
-	        // contained is an array of arrays of boolean values,
-	        // where contained[j][k] is true iff the jth way is
-	        // contained by the kth way.
-	        var contained = polygons.map(function(w, i) {
-	            return polygons.map(function(d, n) {
-	                if (i === n) return null;
-	                return geoPolygonContainsPolygon(
-	                    d.nodes.map(function(n) { return n.loc; }),
-	                    w.nodes.map(function(n) { return n.loc; })
-	                );
-	            });
-	        });
-
-	        // Sort all polygons as either outer or inner ways
-	        var members = [];
-	        var outer = true;
-
-	        while (polygons.length) {
-	            extractUncontained(polygons);
-	            polygons = polygons.filter(isContained);
-	            contained = contained.filter(isContained).map(filterContained);
-	        }
-
-	        function isContained(d, i) {
-	            return contained[i].some(function(val) { return val; });
-	        }
-
-	        function filterContained(d) {
-	            return d.filter(isContained);
-	        }
-
-	        function extractUncontained(polygons) {
-	            polygons.forEach(function(d, i) {
-	                if (!isContained(d, i)) {
-	                    d.forEach(function(member) {
-	                        members.push({
-	                            type: 'way',
-	                            id: member.id,
-	                            role: outer ? 'outer' : 'inner'
-	                        });
-	                    });
-	                }
-	            });
-	            outer = !outer;
-	        }
-
-	        // Move all tags to one relation
-	        var relation = entities.multipolygon[0] ||
-	            osmRelation({ id: newRelationId, tags: { type: 'multipolygon' }});
-
-	        entities.multipolygon.slice(1).forEach(function(m) {
-	            relation = relation.mergeTags(m.tags);
-	            graph = graph.remove(m);
-	        });
-
-	        entities.closedWay.forEach(function(way) {
-	            function isThisOuter(m) {
-	                return m.id === way.id && m.role !== 'inner';
-	            }
-	            if (members.some(isThisOuter)) {
-	                relation = relation.mergeTags(way.tags);
-	                graph = graph.replace(way.update({ tags: {} }));
-	            }
-	        });
-
-	        return graph.replace(relation.update({
-	            members: members,
-	            tags: utilObjectOmit(relation.tags, ['area'])
-	        }));
-	    };
-
-
-	    action.disabled = function(graph) {
-	        var entities = groupEntities(graph);
-	        if (entities.other.length > 0 ||
-	            entities.closedWay.length + entities.multipolygon.length < 2) {
-	            return 'not_eligible';
-	        }
-	        if (!entities.multipolygon.every(function(r) { return r.isComplete(graph); })) {
-	            return 'incomplete_relation';
-	        }
-
-	        if (!entities.multipolygon.length) {
-	            var sharedMultipolygons = [];
-	            entities.closedWay.forEach(function(way, i) {
-	                if (i === 0) {
-	                    sharedMultipolygons = graph.parentMultipolygons(way);
-	                } else {
-	                    sharedMultipolygons = utilArrayIntersection(sharedMultipolygons, graph.parentMultipolygons(way));
-	                }
-	            });
-	            sharedMultipolygons = sharedMultipolygons.filter(function(relation) {
-	                return relation.members.length === entities.closedWay.length;
-	            });
-	            if (sharedMultipolygons.length) {
-	                // don't create a new multipolygon if it'd be redundant
-	                return 'not_eligible';
-	            }
-	        } else if (entities.closedWay.some(function(way) {
-	                return utilArrayIntersection(graph.parentMultipolygons(way), entities.multipolygon).length;
-	            })) {
-	            // don't add a way to a multipolygon again if it's already a member
-	            return 'not_eligible';
-	        }
-	    };
-
-
-	    return action;
-	}
-
-	// do not edit .js files directly - edit src/index.jst
-
-
-
-	var fastDeepEqual = function equal(a, b) {
-	  if (a === b) return true;
-
-	  if (a && b && typeof a == 'object' && typeof b == 'object') {
-	    if (a.constructor !== b.constructor) return false;
-
-	    var length, i, keys;
-	    if (Array.isArray(a)) {
-	      length = a.length;
-	      if (length != b.length) return false;
-	      for (i = length; i-- !== 0;)
-	        if (!equal(a[i], b[i])) return false;
-	      return true;
-	    }
-
-
-
-	    if (a.constructor === RegExp) return a.source === b.source && a.flags === b.flags;
-	    if (a.valueOf !== Object.prototype.valueOf) return a.valueOf() === b.valueOf();
-	    if (a.toString !== Object.prototype.toString) return a.toString() === b.toString();
-
-	    keys = Object.keys(a);
-	    length = keys.length;
-	    if (length !== Object.keys(b).length) return false;
-
-	    for (i = length; i-- !== 0;)
-	      if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
-
-	    for (i = length; i-- !== 0;) {
-	      var key = keys[i];
-
-	      if (!equal(a[key], b[key])) return false;
-	    }
-
-	    return true;
-	  }
-
-	  // true if both NaN, false otherwise
-	  return a!==a && b!==b;
-	};
-
-	// Text diff algorithm following Hunt and McIlroy 1976.
-	// J. W. Hunt and M. D. McIlroy, An algorithm for differential buffer
-	// comparison, Bell Telephone Laboratories CSTR #41 (1976)
-	// http://www.cs.dartmouth.edu/~doug/
-	// https://en.wikipedia.org/wiki/Longest_common_subsequence_problem
-	//
-	// Expects two arrays, finds longest common sequence
-	function LCS(buffer1, buffer2) {
-
-	  let equivalenceClasses = {};
-	  for (let j = 0; j < buffer2.length; j++) {
-	    const item = buffer2[j];
-	    if (equivalenceClasses[item]) {
-	      equivalenceClasses[item].push(j);
-	    } else {
-	      equivalenceClasses[item] = [j];
-	    }
-	  }
-
-	  const NULLRESULT = { buffer1index: -1, buffer2index: -1, chain: null };
-	  let candidates = [NULLRESULT];
-
-	  for (let i = 0; i < buffer1.length; i++) {
-	    const item = buffer1[i];
-	    const buffer2indices = equivalenceClasses[item] || [];
-	    let r = 0;
-	    let c = candidates[0];
-
-	    for (let jx = 0; jx < buffer2indices.length; jx++) {
-	      const j = buffer2indices[jx];
-
-	      let s;
-	      for (s = r; s < candidates.length; s++) {
-	        if ((candidates[s].buffer2index < j) && ((s === candidates.length - 1) || (candidates[s + 1].buffer2index > j))) {
-	          break;
-	        }
-	      }
-
-	      if (s < candidates.length) {
-	        const newCandidate = { buffer1index: i, buffer2index: j, chain: candidates[s] };
-	        if (r === candidates.length) {
-	          candidates.push(c);
-	        } else {
-	          candidates[r] = c;
-	        }
-	        r = s + 1;
-	        c = newCandidate;
-	        if (r === candidates.length) {
-	          break; // no point in examining further (j)s
-	        }
-	      }
-	    }
-
-	    candidates[r] = c;
-	  }
-
-	  // At this point, we know the LCS: it's in the reverse of the
-	  // linked-list through .chain of candidates[candidates.length - 1].
-
-	  return candidates[candidates.length - 1];
-	}
-
-
-	// We apply the LCS to give a simple representation of the
-	// offsets and lengths of mismatched chunks in the input
-	// buffers. This is used by diff3MergeRegions.
-	function diffIndices(buffer1, buffer2) {
-	  const lcs = LCS(buffer1, buffer2);
-	  let result = [];
-	  let tail1 = buffer1.length;
-	  let tail2 = buffer2.length;
-
-	  for (let candidate = lcs; candidate !== null; candidate = candidate.chain) {
-	    const mismatchLength1 = tail1 - candidate.buffer1index - 1;
-	    const mismatchLength2 = tail2 - candidate.buffer2index - 1;
-	    tail1 = candidate.buffer1index;
-	    tail2 = candidate.buffer2index;
-
-	    if (mismatchLength1 || mismatchLength2) {
-	      result.push({
-	        buffer1: [tail1 + 1, mismatchLength1],
-	        buffer1Content: buffer1.slice(tail1 + 1, tail1 + 1 + mismatchLength1),
-	        buffer2: [tail2 + 1, mismatchLength2],
-	        buffer2Content: buffer2.slice(tail2 + 1, tail2 + 1 + mismatchLength2)
-	      });
-	    }
-	  }
-
-	  result.reverse();
-	  return result;
-	}
-
-
-	// Given three buffers, A, O, and B, where both A and B are
-	// independently derived from O, returns a fairly complicated
-	// internal representation of merge decisions it's taken. The
-	// interested reader may wish to consult
-	//
-	// Sanjeev Khanna, Keshav Kunal, and Benjamin C. Pierce.
-	// 'A Formal Investigation of ' In Arvind and Prasad,
-	// editors, Foundations of Software Technology and Theoretical
-	// Computer Science (FSTTCS), December 2007.
-	//
-	// (http://www.cis.upenn.edu/~bcpierce/papers/diff3-short.pdf)
-	//
-	function diff3MergeRegions(a, o, b) {
-
-	  // "hunks" are array subsets where `a` or `b` are different from `o`
-	  // https://www.gnu.org/software/diffutils/manual/html_node/diff3-Hunks.html
-	  let hunks = [];
-	  function addHunk(h, ab) {
-	    hunks.push({
-	      ab: ab,
-	      oStart: h.buffer1[0],
-	      oLength: h.buffer1[1],   // length of o to remove
-	      abStart: h.buffer2[0],
-	      abLength: h.buffer2[1]   // length of a/b to insert
-	      // abContent: (ab === 'a' ? a : b).slice(h.buffer2[0], h.buffer2[0] + h.buffer2[1])
-	    });
-	  }
-
-	  diffIndices(o, a).forEach(item => addHunk(item, 'a'));
-	  diffIndices(o, b).forEach(item => addHunk(item, 'b'));
-	  hunks.sort((x,y) => x.oStart - y.oStart);
-
-	  let results = [];
-	  let currOffset = 0;
-
-	  function advanceTo(endOffset) {
-	    if (endOffset > currOffset) {
-	      results.push({
-	        stable: true,
-	        buffer: 'o',
-	        bufferStart: currOffset,
-	        bufferLength: endOffset - currOffset,
-	        bufferContent: o.slice(currOffset, endOffset)
-	      });
-	      currOffset = endOffset;
-	    }
-	  }
-
-	  while (hunks.length) {
-	    let hunk = hunks.shift();
-	    let regionStart = hunk.oStart;
-	    let regionEnd = hunk.oStart + hunk.oLength;
-	    let regionHunks = [hunk];
-	    advanceTo(regionStart);
-
-	    // Try to pull next overlapping hunk into this region
-	    while (hunks.length) {
-	      const nextHunk = hunks[0];
-	      const nextHunkStart = nextHunk.oStart;
-	      if (nextHunkStart > regionEnd) break;   // no overlap
-
-	      regionEnd = Math.max(regionEnd, nextHunkStart + nextHunk.oLength);
-	      regionHunks.push(hunks.shift());
-	    }
-
-	    if (regionHunks.length === 1) {
-	      // Only one hunk touches this region, meaning that there is no conflict here.
-	      // Either `a` or `b` is inserting into a region of `o` unchanged by the other.
-	      if (hunk.abLength > 0) {
-	        const buffer = (hunk.ab === 'a' ? a : b);
-	        results.push({
-	          stable: true,
-	          buffer: hunk.ab,
-	          bufferStart: hunk.abStart,
-	          bufferLength: hunk.abLength,
-	          bufferContent: buffer.slice(hunk.abStart, hunk.abStart + hunk.abLength)
-	        });
-	      }
-	    } else {
-	      // A true a/b conflict. Determine the bounds involved from `a`, `o`, and `b`.
-	      // Effectively merge all the `a` hunks into one giant hunk, then do the
-	      // same for the `b` hunks; then, correct for skew in the regions of `o`
-	      // that each side changed, and report appropriate spans for the three sides.
-	      let bounds = {
-	        a: [a.length, -1, o.length, -1],
-	        b: [b.length, -1, o.length, -1]
-	      };
-	      while (regionHunks.length) {
-	        hunk = regionHunks.shift();
-	        const oStart = hunk.oStart;
-	        const oEnd = oStart + hunk.oLength;
-	        const abStart = hunk.abStart;
-	        const abEnd = abStart + hunk.abLength;
-	        let b = bounds[hunk.ab];
-	        b[0] = Math.min(abStart, b[0]);
-	        b[1] = Math.max(abEnd, b[1]);
-	        b[2] = Math.min(oStart, b[2]);
-	        b[3] = Math.max(oEnd, b[3]);
-	      }
-
-	      const aStart = bounds.a[0] + (regionStart - bounds.a[2]);
-	      const aEnd = bounds.a[1] + (regionEnd - bounds.a[3]);
-	      const bStart = bounds.b[0] + (regionStart - bounds.b[2]);
-	      const bEnd = bounds.b[1] + (regionEnd - bounds.b[3]);
-
-	      let result = {
-	        stable: false,
-	        aStart: aStart,
-	        aLength: aEnd - aStart,
-	        aContent: a.slice(aStart, aEnd),
-	        oStart: regionStart,
-	        oLength: regionEnd - regionStart,
-	        oContent: o.slice(regionStart, regionEnd),
-	        bStart: bStart,
-	        bLength: bEnd - bStart,
-	        bContent: b.slice(bStart, bEnd)
-	      };
-	      results.push(result);
-	    }
-	    currOffset = regionEnd;
-	  }
-
-	  advanceTo(o.length);
-
-	  return results;
-	}
-
-
-	// Applies the output of diff3MergeRegions to actually
-	// construct the merged buffer; the returned result alternates
-	// between 'ok' and 'conflict' blocks.
-	// A "false conflict" is where `a` and `b` both change the same from `o`
-	function diff3Merge(a, o, b, options) {
-	  let defaults = {
-	    excludeFalseConflicts: true,
-	    stringSeparator: /\s+/
-	  };
-	  options = Object.assign(defaults, options);
-
-	  const aString = (typeof a === 'string');
-	  const oString = (typeof o === 'string');
-	  const bString = (typeof b === 'string');
-
-	  if (aString) a = a.split(options.stringSeparator);
-	  if (oString) o = o.split(options.stringSeparator);
-	  if (bString) b = b.split(options.stringSeparator);
-
-	  let results = [];
-	  const regions = diff3MergeRegions(a, o, b);
-
-	  let okBuffer = [];
-	  function flushOk() {
-	    if (okBuffer.length) {
-	      results.push({ ok: okBuffer });
-	    }
-	    okBuffer = [];
-	  }
-
-	  function isFalseConflict(a, b) {
-	    if (a.length !== b.length) return false;
-	    for (let i = 0; i < a.length; i++) {
-	      if (a[i] !== b[i]) return false;
-	    }
-	    return true;
-	  }
-
-	  regions.forEach(region =>  {
-	    if (region.stable) {
-	      okBuffer.push(...region.bufferContent);
-	    } else {
-	      if (options.excludeFalseConflicts && isFalseConflict(region.aContent, region.bContent)) {
-	        okBuffer.push(...region.aContent);
-	      } else {
-	        flushOk();
-	        results.push({
-	          conflict: {
-	            a: region.aContent,
-	            aIndex: region.aStart,
-	            o: region.oContent,
-	            oIndex: region.oStart,
-	            b: region.bContent,
-	            bIndex: region.bStart
-	          }
-	        });
-	      }
-	    }
-	  });
-
-	  flushOk();
-	  return results;
-	}
-
-	function actionMergeRemoteChanges(id, localGraph, remoteGraph, discardTags, formatUser) {
-	    discardTags = discardTags || {};
-	    var _option = 'safe';  // 'safe', 'force_local', 'force_remote'
-	    var _conflicts = [];
-
-
-	    function user(d) {
-	        return (typeof formatUser === 'function') ? formatUser(d) : d;
-	    }
-
-
-	    function mergeLocation(remote, target) {
-	        function pointEqual(a, b) {
-	            var epsilon = 1e-6;
-	            return (Math.abs(a[0] - b[0]) < epsilon) && (Math.abs(a[1] - b[1]) < epsilon);
-	        }
-
-	        if (_option === 'force_local' || pointEqual(target.loc, remote.loc)) {
-	            return target;
-	        }
-	        if (_option === 'force_remote') {
-	            return target.update({loc: remote.loc});
-	        }
-
-	        _conflicts.push(_t('merge_remote_changes.conflict.location', { user: user(remote.user) }));
-	        return target;
-	    }
-
-
-	    function mergeNodes(base, remote, target) {
-	        if (_option === 'force_local' || fastDeepEqual(target.nodes, remote.nodes)) {
-	            return target;
-	        }
-	        if (_option === 'force_remote') {
-	            return target.update({nodes: remote.nodes});
-	        }
-
-	        var ccount = _conflicts.length;
-	        var o = base.nodes || [];
-	        var a = target.nodes || [];
-	        var b = remote.nodes || [];
-	        var nodes = [];
-	        var hunks = diff3Merge(a, o, b, { excludeFalseConflicts: true });
-
-	        for (var i = 0; i < hunks.length; i++) {
-	            var hunk = hunks[i];
-	            if (hunk.ok) {
-	                nodes.push.apply(nodes, hunk.ok);
-	            } else {
-	                // for all conflicts, we can assume c.a !== c.b
-	                // because `diff3Merge` called with `true` option to exclude false conflicts..
-	                var c = hunk.conflict;
-	                if (fastDeepEqual(c.o, c.a)) {  // only changed remotely
-	                    nodes.push.apply(nodes, c.b);
-	                } else if (fastDeepEqual(c.o, c.b)) {  // only changed locally
-	                    nodes.push.apply(nodes, c.a);
-	                } else {       // changed both locally and remotely
-	                    _conflicts.push(_t('merge_remote_changes.conflict.nodelist', { user: user(remote.user) }));
-	                    break;
-	                }
-	            }
-	        }
-
-	        return (_conflicts.length === ccount) ? target.update({nodes: nodes}) : target;
-	    }
-
-
-	    function mergeChildren(targetWay, children, updates, graph) {
-	        function isUsed(node, targetWay) {
-	            var hasInterestingParent = graph.parentWays(node)
-	                .some(function(way) { return way.id !== targetWay.id; });
-
-	            return node.hasInterestingTags() ||
-	                hasInterestingParent ||
-	                graph.parentRelations(node).length > 0;
-	        }
-
-	        var ccount = _conflicts.length;
-
-	        for (var i = 0; i < children.length; i++) {
-	            var id = children[i];
-	            var node = graph.hasEntity(id);
-
-	            // remove unused childNodes..
-	            if (targetWay.nodes.indexOf(id) === -1) {
-	                if (node && !isUsed(node, targetWay)) {
-	                    updates.removeIds.push(id);
-	                }
-	                continue;
-	            }
-
-	            // restore used childNodes..
-	            var local = localGraph.hasEntity(id);
-	            var remote = remoteGraph.hasEntity(id);
-	            var target;
-
-	            if (_option === 'force_remote' && remote && remote.visible) {
-	                updates.replacements.push(remote);
-
-	            } else if (_option === 'force_local' && local) {
-	                target = osmEntity(local);
-	                if (remote) {
-	                    target = target.update({ version: remote.version });
-	                }
-	                updates.replacements.push(target);
-
-	            } else if (_option === 'safe' && local && remote && local.version !== remote.version) {
-	                target = osmEntity(local, { version: remote.version });
-	                if (remote.visible) {
-	                    target = mergeLocation(remote, target);
-	                } else {
-	                    _conflicts.push(_t('merge_remote_changes.conflict.deleted', { user: user(remote.user) }));
-	                }
-
-	                if (_conflicts.length !== ccount) break;
-	                updates.replacements.push(target);
-	            }
-	        }
-
-	        return targetWay;
-	    }
-
-
-	    function updateChildren(updates, graph) {
-	        for (var i = 0; i < updates.replacements.length; i++) {
-	            graph = graph.replace(updates.replacements[i]);
-	        }
-	        if (updates.removeIds.length) {
-	            graph = actionDeleteMultiple(updates.removeIds)(graph);
-	        }
-	        return graph;
-	    }
-
-
-	    function mergeMembers(remote, target) {
-	        if (_option === 'force_local' || fastDeepEqual(target.members, remote.members)) {
-	            return target;
-	        }
-	        if (_option === 'force_remote') {
-	            return target.update({members: remote.members});
-	        }
-
-	        _conflicts.push(_t('merge_remote_changes.conflict.memberlist', { user: user(remote.user) }));
-	        return target;
-	    }
-
-
-	    function mergeTags(base, remote, target) {
-	        if (_option === 'force_local' || fastDeepEqual(target.tags, remote.tags)) {
-	            return target;
-	        }
-	        if (_option === 'force_remote') {
-	            return target.update({tags: remote.tags});
-	        }
-
-	        var ccount = _conflicts.length;
-	        var o = base.tags || {};
-	        var a = target.tags || {};
-	        var b = remote.tags || {};
-	        var keys = utilArrayUnion(utilArrayUnion(Object.keys(o), Object.keys(a)), Object.keys(b))
-	            .filter(function(k) { return !discardTags[k]; });
-	        var tags = Object.assign({}, a);   // shallow copy
-	        var changed = false;
-
-	        for (var i = 0; i < keys.length; i++) {
-	            var k = keys[i];
-
-	            if (o[k] !== b[k] && a[k] !== b[k]) {    // changed remotely..
-	                if (o[k] !== a[k]) {      // changed locally..
-	                    _conflicts.push(_t('merge_remote_changes.conflict.tags',
-	                        { tag: k, local: a[k], remote: b[k], user: user(remote.user) }));
-
-	                } else {                  // unchanged locally, accept remote change..
-	                    if (b.hasOwnProperty(k)) {
-	                        tags[k] = b[k];
-	                    } else {
-	                        delete tags[k];
-	                    }
-	                    changed = true;
-	                }
-	            }
-	        }
-
-	        return (changed && _conflicts.length === ccount) ? target.update({tags: tags}) : target;
-	    }
-
-
-	    //  `graph.base()` is the common ancestor of the two graphs.
-	    //  `localGraph` contains user's edits up to saving
-	    //  `remoteGraph` contains remote edits to modified nodes
-	    //  `graph` must be a descendent of `localGraph` and may include
-	    //      some conflict resolution actions performed on it.
-	    //
-	    //                  --- ... --- `localGraph` -- ... -- `graph`
-	    //                 /
-	    //  `graph.base()` --- ... --- `remoteGraph`
-	    //
-	    var action = function(graph) {
-	        var updates = { replacements: [], removeIds: [] };
-	        var base = graph.base().entities[id];
-	        var local = localGraph.entity(id);
-	        var remote = remoteGraph.entity(id);
-	        var target = osmEntity(local, { version: remote.version });
-
-	        // delete/undelete
-	        if (!remote.visible) {
-	            if (_option === 'force_remote') {
-	                return actionDeleteMultiple([id])(graph);
-
-	            } else if (_option === 'force_local') {
-	                if (target.type === 'way') {
-	                    target = mergeChildren(target, utilArrayUniq(local.nodes), updates, graph);
-	                    graph = updateChildren(updates, graph);
-	                }
-	                return graph.replace(target);
-
-	            } else {
-	                _conflicts.push(_t('merge_remote_changes.conflict.deleted', { user: user(remote.user) }));
-	                return graph;  // do nothing
-	            }
-	        }
-
-	        // merge
-	        if (target.type === 'node') {
-	            target = mergeLocation(remote, target);
-
-	        } else if (target.type === 'way') {
-	            // pull in any child nodes that may not be present locally..
-	            graph.rebase(remoteGraph.childNodes(remote), [graph], false);
-	            target = mergeNodes(base, remote, target);
-	            target = mergeChildren(target, utilArrayUnion(local.nodes, remote.nodes), updates, graph);
-
-	        } else if (target.type === 'relation') {
-	            target = mergeMembers(remote, target);
-	        }
-
-	        target = mergeTags(base, remote, target);
-
-	        if (!_conflicts.length) {
-	            graph = updateChildren(updates, graph).replace(target);
-	        }
-
-	        return graph;
-	    };
-
-
-	    action.withOption = function(opt) {
-	        _option = opt;
-	        return action;
-	    };
-
-
-	    action.conflicts = function() {
-	        return _conflicts;
-	    };
-
-
-	    return action;
-	}
-
-	// https://github.com/openstreetmap/josm/blob/mirror/src/org/openstreetmap/josm/command/MoveCommand.java
-	// https://github.com/openstreetmap/potlatch2/blob/master/net/systemeD/halcyon/connection/actions/MoveNodeAction.as
-	function actionMove(moveIDs, tryDelta, projection, cache) {
-	    var _delta = tryDelta;
-
-	    function setupCache(graph) {
-	        function canMove(nodeID) {
-	            // Allow movement of any node that is in the selectedIDs list..
-	            if (moveIDs.indexOf(nodeID) !== -1) return true;
-
-	            // Allow movement of a vertex where 2 ways meet..
-	            var parents = graph.parentWays(graph.entity(nodeID));
-	            if (parents.length < 3) return true;
-
-	            // Restrict movement of a vertex where >2 ways meet, unless all parentWays are moving too..
-	            var parentsMoving = parents.every(function(way) { return cache.moving[way.id]; });
-	            if (!parentsMoving) delete cache.moving[nodeID];
-
-	            return parentsMoving;
-	        }
-
-	        function cacheEntities(ids) {
-	            for (var i = 0; i < ids.length; i++) {
-	                var id = ids[i];
-	                if (cache.moving[id]) continue;
-	                cache.moving[id] = true;
-
-	                var entity = graph.hasEntity(id);
-	                if (!entity) continue;
-
-	                if (entity.type === 'node') {
-	                    cache.nodes.push(id);
-	                    cache.startLoc[id] = entity.loc;
-	                } else if (entity.type === 'way') {
-	                    cache.ways.push(id);
-	                    cacheEntities(entity.nodes);
-	                } else {
-	                    cacheEntities(entity.members.map(function(member) {
-	                        return member.id;
-	                    }));
-	                }
-	            }
-	        }
-
-	        function cacheIntersections(ids) {
-	            function isEndpoint(way, id) {
-	                return !way.isClosed() && !!way.affix(id);
-	            }
-
-	            for (var i = 0; i < ids.length; i++) {
-	                var id = ids[i];
-
-	                // consider only intersections with 1 moved and 1 unmoved way.
-	                var childNodes = graph.childNodes(graph.entity(id));
-	                for (var j = 0; j < childNodes.length; j++) {
-	                    var node = childNodes[j];
-	                    var parents = graph.parentWays(node);
-	                    if (parents.length !== 2) continue;
-
-	                    var moved = graph.entity(id);
-	                    var unmoved = null;
-	                    for (var k = 0; k < parents.length; k++) {
-	                        var way = parents[k];
-	                        if (!cache.moving[way.id]) {
-	                            unmoved = way;
-	                            break;
-	                        }
-	                    }
-	                    if (!unmoved) continue;
-
-	                    // exclude ways that are overly connected..
-	                    if (utilArrayIntersection(moved.nodes, unmoved.nodes).length > 2) continue;
-	                    if (moved.isArea() || unmoved.isArea()) continue;
-
-	                    cache.intersections.push({
-	                        nodeId: node.id,
-	                        movedId: moved.id,
-	                        unmovedId: unmoved.id,
-	                        movedIsEP: isEndpoint(moved, node.id),
-	                        unmovedIsEP: isEndpoint(unmoved, node.id)
-	                    });
-	                }
-	            }
-	        }
-
-
-	        if (!cache) {
-	            cache = {};
-	        }
-	        if (!cache.ok) {
-	            cache.moving = {};
-	            cache.intersections = [];
-	            cache.replacedVertex = {};
-	            cache.startLoc = {};
-	            cache.nodes = [];
-	            cache.ways = [];
-
-	            cacheEntities(moveIDs);
-	            cacheIntersections(cache.ways);
-	            cache.nodes = cache.nodes.filter(canMove);
-
-	            cache.ok = true;
-	        }
-	    }
-
-
-	    // Place a vertex where the moved vertex used to be, to preserve way shape..
-	    //
-	    //  Start:
-	    //      b ---- e
-	    //     / \
-	    //    /   \
-	    //   /     \
-	    //  a       c
-	    //
-	    //      *               node '*' added to preserve shape
-	    //     / \
-	    //    /   b ---- e      way `b,e` moved here:
-	    //   /     \
-	    //  a       c
-	    //
-	    //
-	    function replaceMovedVertex(nodeId, wayId, graph, delta) {
-	        var way = graph.entity(wayId);
-	        var moved = graph.entity(nodeId);
-	        var movedIndex = way.nodes.indexOf(nodeId);
-	        var len, prevIndex, nextIndex;
-
-	        if (way.isClosed()) {
-	            len = way.nodes.length - 1;
-	            prevIndex = (movedIndex + len - 1) % len;
-	            nextIndex = (movedIndex + len + 1) % len;
-	        } else {
-	            len = way.nodes.length;
-	            prevIndex = movedIndex - 1;
-	            nextIndex = movedIndex + 1;
-	        }
-
-	        var prev = graph.hasEntity(way.nodes[prevIndex]);
-	        var next = graph.hasEntity(way.nodes[nextIndex]);
-
-	        // Don't add orig vertex at endpoint..
-	        if (!prev || !next) return graph;
-
-	        var key = wayId + '_' + nodeId;
-	        var orig = cache.replacedVertex[key];
-	        if (!orig) {
-	            orig = osmNode();
-	            cache.replacedVertex[key] = orig;
-	            cache.startLoc[orig.id] = cache.startLoc[nodeId];
-	        }
-
-	        var start, end;
-	        if (delta) {
-	            start = projection(cache.startLoc[nodeId]);
-	            end = projection.invert(geoVecAdd(start, delta));
-	        } else {
-	            end = cache.startLoc[nodeId];
-	        }
-	        orig = orig.move(end);
-
-	        var angle = Math.abs(geoAngle(orig, prev, projection) -
-	                geoAngle(orig, next, projection)) * 180 / Math.PI;
-
-	        // Don't add orig vertex if it would just make a straight line..
-	        if (angle > 175 && angle < 185) return graph;
-
-	        // moving forward or backward along way?
-	        var p1 = [prev.loc, orig.loc, moved.loc, next.loc].map(projection);
-	        var p2 = [prev.loc, moved.loc, orig.loc, next.loc].map(projection);
-	        var d1 = geoPathLength(p1);
-	        var d2 = geoPathLength(p2);
-	        var insertAt = (d1 <= d2) ? movedIndex : nextIndex;
-
-	        // moving around closed loop?
-	        if (way.isClosed() && insertAt === 0) insertAt = len;
-
-	        way = way.addNode(orig.id, insertAt);
-	        return graph.replace(orig).replace(way);
-	    }
-
-
-	    // Remove duplicate vertex that might have been added by
-	    // replaceMovedVertex.  This is done after the unzorro checks.
-	    function removeDuplicateVertices(wayId, graph) {
-	        var way = graph.entity(wayId);
-	        var epsilon = 1e-6;
-	        var prev, curr;
-
-	        function isInteresting(node, graph) {
-	            return graph.parentWays(node).length > 1 ||
-	                graph.parentRelations(node).length ||
-	                node.hasInterestingTags();
-	        }
-
-	        for (var i = 0; i < way.nodes.length; i++) {
-	            curr = graph.entity(way.nodes[i]);
-
-	            if (prev && curr && geoVecEqual(prev.loc, curr.loc, epsilon)) {
-	                if (!isInteresting(prev, graph)) {
-	                    way = way.removeNode(prev.id);
-	                    graph = graph.replace(way).remove(prev);
-	                } else if (!isInteresting(curr, graph)) {
-	                    way = way.removeNode(curr.id);
-	                    graph = graph.replace(way).remove(curr);
-	                }
-	            }
-
-	            prev = curr;
-	        }
-
-	        return graph;
-	    }
-
-
-	    // Reorder nodes around intersections that have moved..
-	    //
-	    //  Start:                way1.nodes: b,e         (moving)
-	    //  a - b - c ----- d     way2.nodes: a,b,c,d     (static)
-	    //      |                 vertex: b
-	    //      e                 isEP1: true,  isEP2, false
-	    //
-	    //  way1 `b,e` moved here:
-	    //  a ----- c = b - d
-	    //              |
-	    //              e
-	    //
-	    //  reorder nodes         way1.nodes: b,e
-	    //  a ----- c - b - d     way2.nodes: a,c,b,d
-	    //              |
-	    //              e
-	    //
-	    function unZorroIntersection(intersection, graph) {
-	        var vertex = graph.entity(intersection.nodeId);
-	        var way1 = graph.entity(intersection.movedId);
-	        var way2 = graph.entity(intersection.unmovedId);
-	        var isEP1 = intersection.movedIsEP;
-	        var isEP2 = intersection.unmovedIsEP;
-
-	        // don't move the vertex if it is the endpoint of both ways.
-	        if (isEP1 && isEP2) return graph;
-
-	        var nodes1 = graph.childNodes(way1).filter(function(n) { return n !== vertex; });
-	        var nodes2 = graph.childNodes(way2).filter(function(n) { return n !== vertex; });
-
-	        if (way1.isClosed() && way1.first() === vertex.id) nodes1.push(nodes1[0]);
-	        if (way2.isClosed() && way2.first() === vertex.id) nodes2.push(nodes2[0]);
-
-	        var edge1 = !isEP1 && geoChooseEdge(nodes1, projection(vertex.loc), projection);
-	        var edge2 = !isEP2 && geoChooseEdge(nodes2, projection(vertex.loc), projection);
-	        var loc;
-
-	        // snap vertex to nearest edge (or some point between them)..
-	        if (!isEP1 && !isEP2) {
-	            var epsilon = 1e-6, maxIter = 10;
-	            for (var i = 0; i < maxIter; i++) {
-	                loc = geoVecInterp(edge1.loc, edge2.loc, 0.5);
-	                edge1 = geoChooseEdge(nodes1, projection(loc), projection);
-	                edge2 = geoChooseEdge(nodes2, projection(loc), projection);
-	                if (Math.abs(edge1.distance - edge2.distance) < epsilon) break;
-	            }
-	        } else if (!isEP1) {
-	            loc = edge1.loc;
-	        } else {
-	            loc = edge2.loc;
-	        }
-
-	        graph = graph.replace(vertex.move(loc));
-
-	        // if zorro happened, reorder nodes..
-	        if (!isEP1 && edge1.index !== way1.nodes.indexOf(vertex.id)) {
-	            way1 = way1.removeNode(vertex.id).addNode(vertex.id, edge1.index);
-	            graph = graph.replace(way1);
-	        }
-	        if (!isEP2 && edge2.index !== way2.nodes.indexOf(vertex.id)) {
-	            way2 = way2.removeNode(vertex.id).addNode(vertex.id, edge2.index);
-	            graph = graph.replace(way2);
-	        }
-
-	        return graph;
-	    }
-
-
-	    function cleanupIntersections(graph) {
-	        for (var i = 0; i < cache.intersections.length; i++) {
-	            var obj = cache.intersections[i];
-	            graph = replaceMovedVertex(obj.nodeId, obj.movedId, graph, _delta);
-	            graph = replaceMovedVertex(obj.nodeId, obj.unmovedId, graph, null);
-	            graph = unZorroIntersection(obj, graph);
-	            graph = removeDuplicateVertices(obj.movedId, graph);
-	            graph = removeDuplicateVertices(obj.unmovedId, graph);
-	        }
-
-	        return graph;
-	    }
-
-
-	    // check if moving way endpoint can cross an unmoved way, if so limit delta..
-	    function limitDelta(graph) {
-	        function moveNode(loc) {
-	            return geoVecAdd(projection(loc), _delta);
-	        }
-
-	        for (var i = 0; i < cache.intersections.length; i++) {
-	            var obj = cache.intersections[i];
-
-	            // Don't limit movement if this is vertex joins 2 endpoints..
-	            if (obj.movedIsEP && obj.unmovedIsEP) continue;
-	            // Don't limit movement if this vertex is not an endpoint anyway..
-	            if (!obj.movedIsEP) continue;
-
-	            var node = graph.entity(obj.nodeId);
-	            var start = projection(node.loc);
-	            var end = geoVecAdd(start, _delta);
-	            var movedNodes = graph.childNodes(graph.entity(obj.movedId));
-	            var movedPath = movedNodes.map(function(n) { return moveNode(n.loc); });
-	            var unmovedNodes = graph.childNodes(graph.entity(obj.unmovedId));
-	            var unmovedPath = unmovedNodes.map(function(n) { return projection(n.loc); });
-	            var hits = geoPathIntersections(movedPath, unmovedPath);
-
-	            for (var j = 0; i < hits.length; i++) {
-	                if (geoVecEqual(hits[j], end)) continue;
-	                var edge = geoChooseEdge(unmovedNodes, end, projection);
-	                _delta = geoVecSubtract(projection(edge.loc), start);
-	            }
-	        }
-	    }
-
-
-	    var action = function(graph) {
-	        if (_delta[0] === 0 && _delta[1] === 0) return graph;
-
-	        setupCache(graph);
-
-	        if (cache.intersections.length) {
-	            limitDelta(graph);
-	        }
-
-	        for (var i = 0; i < cache.nodes.length; i++) {
-	            var node = graph.entity(cache.nodes[i]);
-	            var start = projection(node.loc);
-	            var end = geoVecAdd(start, _delta);
-	            graph = graph.replace(node.move(projection.invert(end)));
-	        }
-
-	        if (cache.intersections.length) {
-	            graph = cleanupIntersections(graph);
-	        }
-
-	        return graph;
-	    };
-
-
-	    action.delta = function() {
-	        return _delta;
-	    };
-
-
-	    return action;
-	}
-
-	function actionMoveMember(relationId, fromIndex, toIndex) {
-	    return function(graph) {
-	        return graph.replace(graph.entity(relationId).moveMember(fromIndex, toIndex));
-	    };
-	}
-
-	function actionMoveNode(nodeID, toLoc) {
-
-	    var action = function(graph, t) {
-	        if (t === null || !isFinite(t)) t = 1;
-	        t = Math.min(Math.max(+t, 0), 1);
-
-	        var node = graph.entity(nodeID);
-	        return graph.replace(
-	            node.move(geoVecInterp(node.loc, toLoc, t))
-	        );
-	    };
-
-	    action.transitionable = true;
-
-	    return action;
-	}
-
-	function actionNoop() {
-	    return function(graph) {
-	        return graph;
-	    };
-	}
-
-	function actionOrthogonalize(wayID, projection, vertexID, degThresh, ep) {
-	    var epsilon = ep || 1e-4;
-	    var threshold = degThresh || 13;  // degrees within right or straight to alter
-
-	    // We test normalized dot products so we can compare as cos(angle)
-	    var lowerThreshold = Math.cos((90 - threshold) * Math.PI / 180);
-	    var upperThreshold = Math.cos(threshold * Math.PI / 180);
-
-
-	    var action = function(graph, t) {
-	        if (t === null || !isFinite(t)) t = 1;
-	        t = Math.min(Math.max(+t, 0), 1);
-
-	        var way = graph.entity(wayID);
-	        way = way.removeNode('');   // sanity check - remove any consecutive duplicates
-
-	        if (way.tags.nonsquare) {
-	            var tags = Object.assign({}, way.tags);
-	            // since we're squaring, remove indication that this is physically unsquare
-	            delete tags.nonsquare;
-	            way = way.update({tags: tags});
-	        }
-
-	        graph = graph.replace(way);
-
-	        var isClosed = way.isClosed();
-	        var nodes = graph.childNodes(way).slice();  // shallow copy
-	        if (isClosed) nodes.pop();
-
-	        if (vertexID !== undefined) {
-	            nodes = nodeSubset(nodes, vertexID, isClosed);
-	            if (nodes.length !== 3) return graph;
-	        }
-
-	        // note: all geometry functions here use the unclosed node/point/coord list
-
-	        var nodeCount = {};
-	        var points = [];
-	        var corner = { i: 0, dotp: 1 };
-	        var node, point, loc, score, motions, i, j;
-
-	        for (i = 0; i < nodes.length; i++) {
-	            node = nodes[i];
-	            nodeCount[node.id] = (nodeCount[node.id] || 0) + 1;
-	            points.push({ id: node.id, coord: projection(node.loc) });
-	        }
-
-
-	        if (points.length === 3) {   // move only one vertex for right triangle
-	            for (i = 0; i < 1000; i++) {
-	                motions = points.map(calcMotion);
-
-	                points[corner.i].coord = geoVecAdd(points[corner.i].coord, motions[corner.i]);
-	                score = corner.dotp;
-	                if (score < epsilon) {
-	                    break;
-	                }
-	            }
-
-	            node = graph.entity(nodes[corner.i].id);
-	            loc = projection.invert(points[corner.i].coord);
-	            graph = graph.replace(node.move(geoVecInterp(node.loc, loc, t)));
-
-	        } else {
-	            var straights = [];
-	            var simplified = [];
-
-	            // Remove points from nearly straight sections..
-	            // This produces a simplified shape to orthogonalize
-	            for (i = 0; i < points.length; i++) {
-	                point = points[i];
-	                var dotp = 0;
-	                if (isClosed || (i > 0 && i < points.length - 1)) {
-	                    var a = points[(i - 1 + points.length) % points.length];
-	                    var b = points[(i + 1) % points.length];
-	                    dotp = Math.abs(geoOrthoNormalizedDotProduct(a.coord, b.coord, point.coord));
-	                }
-
-	                if (dotp > upperThreshold) {
-	                    straights.push(point);
-	                } else {
-	                    simplified.push(point);
-	                }
-	            }
-
-	            // Orthogonalize the simplified shape
-	            var bestPoints = clonePoints(simplified);
-	            var originalPoints = clonePoints(simplified);
-
-	            score = Infinity;
-	            for (i = 0; i < 1000; i++) {
-	                motions = simplified.map(calcMotion);
-
-	                for (j = 0; j < motions.length; j++) {
-	                    simplified[j].coord = geoVecAdd(simplified[j].coord, motions[j]);
-	                }
-	                var newScore = geoOrthoCalcScore(simplified, isClosed, epsilon, threshold);
-	                if (newScore < score) {
-	                    bestPoints = clonePoints(simplified);
-	                    score = newScore;
-	                }
-	                if (score < epsilon) {
-	                    break;
-	                }
-	            }
-
-	            var bestCoords = bestPoints.map(function(p) { return p.coord; });
-	            if (isClosed) bestCoords.push(bestCoords[0]);
-
-	            // move the nodes that should move
-	            for (i = 0; i < bestPoints.length; i++) {
-	                point = bestPoints[i];
-	                if (!geoVecEqual(originalPoints[i].coord, point.coord)) {
-	                    node = graph.entity(point.id);
-	                    loc = projection.invert(point.coord);
-	                    graph = graph.replace(node.move(geoVecInterp(node.loc, loc, t)));
-	                }
-	            }
-
-	            // move the nodes along straight segments
-	            for (i = 0; i < straights.length; i++) {
-	                point = straights[i];
-	                if (nodeCount[point.id] > 1) continue;   // skip self-intersections
-
-	                node = graph.entity(point.id);
-
-	                if (t === 1 &&
-	                    graph.parentWays(node).length === 1 &&
-	                    graph.parentRelations(node).length === 0 &&
-	                    !node.hasInterestingTags()
-	                ) {
-	                    // remove uninteresting points..
-	                    graph = actionDeleteNode(node.id)(graph);
-
-	                } else {
-	                    // move interesting points to the nearest edge..
-	                    var choice = geoVecProject(point.coord, bestCoords);
-	                    if (choice) {
-	                        loc = projection.invert(choice.target);
-	                        graph = graph.replace(node.move(geoVecInterp(node.loc, loc, t)));
-	                    }
-	                }
-	            }
-	        }
-
-	        return graph;
-
-
-	        function clonePoints(array) {
-	            return array.map(function(p) {
-	                return { id: p.id, coord: [p.coord[0], p.coord[1]] };
-	            });
-	        }
-
-
-	        function calcMotion(point, i, array) {
-	            // don't try to move the endpoints of a non-closed way.
-	            if (!isClosed && (i === 0 || i === array.length - 1)) return [0, 0];
-	            // don't try to move a node that appears more than once (self intersection)
-	            if (nodeCount[array[i].id] > 1) return [0, 0];
-
-	            var a = array[(i - 1 + array.length) % array.length].coord;
-	            var origin = point.coord;
-	            var b = array[(i + 1) % array.length].coord;
-	            var p = geoVecSubtract(a, origin);
-	            var q = geoVecSubtract(b, origin);
-
-	            var scale = 2 * Math.min(geoVecLength(p), geoVecLength(q));
-	            p = geoVecNormalize(p);
-	            q = geoVecNormalize(q);
-
-	            var dotp = (p[0] * q[0] + p[1] * q[1]);
-	            var val = Math.abs(dotp);
-
-	            if (val < lowerThreshold) {  // nearly orthogonal
-	                corner.i = i;
-	                corner.dotp = val;
-	                var vec = geoVecNormalize(geoVecAdd(p, q));
-	                return geoVecScale(vec, 0.1 * dotp * scale);
-	            }
-
-	            return [0, 0];   // do nothing
-	        }
-	    };
-
-
-	    // if we are only orthogonalizing one vertex,
-	    // get that vertex and the previous and next
-	    function nodeSubset(nodes, vertexID, isClosed) {
-	        var first = isClosed ? 0 : 1;
-	        var last = isClosed ? nodes.length : nodes.length - 1;
-
-	        for (var i = first; i < last; i++) {
-	            if (nodes[i].id === vertexID) {
-	                return [
-	                    nodes[(i - 1 + nodes.length) % nodes.length],
-	                    nodes[i],
-	                    nodes[(i + 1) % nodes.length]
-	                ];
-	            }
-	        }
-
-	        return [];
-	    }
-
-
-	    action.disabled = function(graph) {
-	        var way = graph.entity(wayID);
-	        way = way.removeNode('');  // sanity check - remove any consecutive duplicates
-	        graph = graph.replace(way);
-
-	        var isClosed = way.isClosed();
-	        var nodes = graph.childNodes(way).slice();  // shallow copy
-	        if (isClosed) nodes.pop();
-
-	        var allowStraightAngles = false;
-	        if (vertexID !== undefined) {
-	            allowStraightAngles = true;
-	            nodes = nodeSubset(nodes, vertexID, isClosed);
-	            if (nodes.length !== 3) return 'end_vertex';
-	        }
-
-	        var coords = nodes.map(function(n) { return projection(n.loc); });
-	        var score = geoOrthoCanOrthogonalize(coords, isClosed, epsilon, threshold, allowStraightAngles);
-
-	        if (score === null) {
-	            return 'not_squarish';
-	        } else if (score === 0) {
-	            return 'square_enough';
-	        } else {
-	            return false;
-	        }
-	    };
-
-
-	    action.transitionable = true;
-
-	    return action;
-	}
-
-	// `actionRestrictTurn` creates a turn restriction relation.
-	//
-	// `turn` must be an `osmTurn` object
-	// see osm/intersection.js, pathToTurn()
-	//
-	// This specifies a restriction of type `restriction` when traveling from
-	// `turn.from.way` toward `turn.to.way` via `turn.via.node` OR `turn.via.ways`.
-	// (The action does not check that these entities form a valid intersection.)
-	//
-	// From, to, and via ways should be split before calling this action.
-	// (old versions of the code would split the ways here, but we no longer do it)
-	//
-	// For testing convenience, accepts a restrictionID to assign to the new
-	// relation. Normally, this will be undefined and the relation will
-	// automatically be assigned a new ID.
-	//
-	function actionRestrictTurn(turn, restrictionType, restrictionID) {
-
-	    return function(graph) {
-	        var fromWay = graph.entity(turn.from.way);
-	        var toWay = graph.entity(turn.to.way);
-	        var viaNode = turn.via.node && graph.entity(turn.via.node);
-	        var viaWays = turn.via.ways && turn.via.ways.map(function(id) { return graph.entity(id); });
-	        var members = [];
-
-	        members.push({ id: fromWay.id, type: 'way',  role: 'from' });
-
-	        if (viaNode) {
-	            members.push({ id: viaNode.id,  type: 'node', role: 'via' });
-	        } else if (viaWays) {
-	            viaWays.forEach(function(viaWay) {
-	                members.push({ id: viaWay.id,  type: 'way', role: 'via' });
-	            });
-	        }
-
-	        members.push({ id: toWay.id, type: 'way',  role: 'to' });
-
-	        return graph.replace(osmRelation({
-	            id: restrictionID,
-	            tags: {
-	                type: 'restriction',
-	                restriction: restrictionType
-	            },
-	            members: members
-	        }));
-	    };
-	}
-
-	function actionRevert(id) {
-	    var action = function(graph) {
-	        var entity = graph.hasEntity(id),
-	            base = graph.base().entities[id];
-
-	        if (entity && !base) {    // entity will be removed..
-	            if (entity.type === 'node') {
-	                graph.parentWays(entity)
-	                    .forEach(function(parent) {
-	                        parent = parent.removeNode(id);
-	                        graph = graph.replace(parent);
-
-	                        if (parent.isDegenerate()) {
-	                            graph = actionDeleteWay(parent.id)(graph);
-	                        }
-	                    });
-	            }
-
-	            graph.parentRelations(entity)
-	                .forEach(function(parent) {
-	                    parent = parent.removeMembersWithID(id);
-	                    graph = graph.replace(parent);
-
-	                    if (parent.isDegenerate()) {
-	                        graph = actionDeleteRelation(parent.id)(graph);
-	                    }
-	                });
-	        }
-
-	        return graph.revert(id);
-	    };
-
-	    return action;
-	}
-
-	function actionRotate(rotateIds, pivot, angle, projection) {
-
-	    var action = function(graph) {
-	        return graph.update(function(graph) {
-	            utilGetAllNodes(rotateIds, graph).forEach(function(node) {
-	                var point = geoRotate([projection(node.loc)], angle, pivot)[0];
-	                graph = graph.replace(node.move(projection.invert(point)));
-	            });
-	        });
-	    };
-
-	    return action;
-	}
-
-	/* Align nodes along their common axis */
-	function actionStraightenNodes(nodeIDs, projection) {
-
-	    function positionAlongWay(a, o, b) {
-	        return geoVecDot(a, b, o) / geoVecDot(b, b, o);
-	    }
-
-	    // returns the endpoints of the long axis of symmetry of the `points` bounding rect 
-	    function getEndpoints(points) {
-	        var ssr = geoGetSmallestSurroundingRectangle(points);
-
-	        // Choose line pq = axis of symmetry.
-	        // The shape's surrounding rectangle has 2 axes of symmetry.
-	        // Snap points to the long axis
-	        var p1 = [(ssr.poly[0][0] + ssr.poly[1][0]) / 2, (ssr.poly[0][1] + ssr.poly[1][1]) / 2 ];
-	        var q1 = [(ssr.poly[2][0] + ssr.poly[3][0]) / 2, (ssr.poly[2][1] + ssr.poly[3][1]) / 2 ];
-	        var p2 = [(ssr.poly[3][0] + ssr.poly[4][0]) / 2, (ssr.poly[3][1] + ssr.poly[4][1]) / 2 ];
-	        var q2 = [(ssr.poly[1][0] + ssr.poly[2][0]) / 2, (ssr.poly[1][1] + ssr.poly[2][1]) / 2 ];
-
-	        var isLong = (geoVecLength(p1, q1) > geoVecLength(p2, q2));
-	        if (isLong) {
-	            return [p1, q1];
-	        }
-	        return [p2, q2];
-	    }
-
-
-	    var action = function(graph, t) {
-	        if (t === null || !isFinite(t)) t = 1;
-	        t = Math.min(Math.max(+t, 0), 1);
-
-	        var nodes = nodeIDs.map(function(id) { return graph.entity(id); });
-	        var points = nodes.map(function(n) { return projection(n.loc); });
-	        var endpoints = getEndpoints(points);
-	        var startPoint = endpoints[0];
-	        var endPoint = endpoints[1];
-
-	        // Move points onto the line connecting the endpoints
-	        for (var i = 0; i < points.length; i++) {
-	            var node = nodes[i];
-	            var point = points[i];
-	            var u = positionAlongWay(point, startPoint, endPoint);
-	            var point2 = geoVecInterp(startPoint, endPoint, u);
-	            var loc2 = projection.invert(point2);
-	            graph = graph.replace(node.move(geoVecInterp(node.loc, loc2, t)));
-	        }
-
-	        return graph;
-	    };
-
-
-	    action.disabled = function(graph) {
-
-	        var nodes = nodeIDs.map(function(id) { return graph.entity(id); });
-	        var points = nodes.map(function(n) { return projection(n.loc); });
-	        var endpoints = getEndpoints(points);
-	        var startPoint = endpoints[0];
-	        var endPoint = endpoints[1];
-
-	        var maxDistance = 0;
-
-	        for (var i = 0; i < points.length; i++) {
-	            var point = points[i];
-	            var u = positionAlongWay(point, startPoint, endPoint);
-	            var p = geoVecInterp(startPoint, endPoint, u);
-	            var dist = geoVecLength(p, point);
-
-	            if (!isNaN(dist) && dist > maxDistance) {
-	                maxDistance = dist;
-	            }
-	        }
-
-	        if (maxDistance < 0.0001) {
-	            return 'straight_enough';
-	        }
-	    };
-
-
-	    action.transitionable = true;
-
-
-	    return action;
-	}
-
-	/*
-	 * Based on https://github.com/openstreetmap/potlatch2/net/systemeD/potlatch2/tools/Straighten.as
-	 */
-	function actionStraightenWay(selectedIDs, projection) {
-
-	    function positionAlongWay(a, o, b) {
-	        return geoVecDot(a, b, o) / geoVecDot(b, b, o);
-	    }
-
-	    // Return all selected ways as a continuous, ordered array of nodes
-	    function allNodes(graph) {
-	        var nodes = [];
-	        var startNodes = [];
-	        var endNodes = [];
-	        var remainingWays = [];
-	        var selectedWays = selectedIDs.filter(function(w) {
-	            return graph.entity(w).type === 'way';
-	        });
-	        var selectedNodes = selectedIDs.filter(function(n) {
-	            return graph.entity(n).type === 'node';
-	        });
-
-	        for (var i = 0; i < selectedWays.length; i++) {
-	            var way = graph.entity(selectedWays[i]);
-	            nodes = way.nodes.slice(0);
-	            remainingWays.push(nodes);
-	            startNodes.push(nodes[0]);
-	            endNodes.push(nodes[nodes.length-1]);
-	        }
-
-	        // Remove duplicate end/startNodes (duplicate nodes cannot be at the line end,
-	        //   and need to be removed so currNode difference calculation below works)
-	        // i.e. ["n-1", "n-1", "n-2"] => ["n-2"]
-	        startNodes = startNodes.filter(function(n) {
-	            return startNodes.indexOf(n) === startNodes.lastIndexOf(n);
-	        });
-	        endNodes = endNodes.filter(function(n) {
-	            return endNodes.indexOf(n) === endNodes.lastIndexOf(n);
-	        });
-
-	        // Choose the initial endpoint to start from
-	        var currNode = utilArrayDifference(startNodes, endNodes)
-	            .concat(utilArrayDifference(endNodes, startNodes))[0];
-	        var nextWay = [];
-	        nodes = [];
-
-	        // Create nested function outside of loop to avoid "function in loop" lint error
-	        var getNextWay = function(currNode, remainingWays) {
-	            return remainingWays.filter(function(way) {
-	                return way[0] === currNode || way[way.length-1] === currNode;
-	            })[0];
-	        };
-
-	        // Add nodes to end of nodes array, until all ways are added
-	        while (remainingWays.length) {
-	            nextWay = getNextWay(currNode, remainingWays);
-	            remainingWays = utilArrayDifference(remainingWays, [nextWay]);
-
-	            if (nextWay[0] !== currNode) {
-	                nextWay.reverse();
-	            }
-	            nodes = nodes.concat(nextWay);
-	            currNode = nodes[nodes.length-1];
-	        }
-
-	        // If user selected 2 nodes to straighten between, then slice nodes array to those nodes
-	        if (selectedNodes.length === 2) {
-	            var startNodeIdx = nodes.indexOf(selectedNodes[0]);
-	            var endNodeIdx = nodes.indexOf(selectedNodes[1]);
-	            var sortedStartEnd = [startNodeIdx, endNodeIdx];
-
-	            sortedStartEnd.sort(function(a, b) { return a - b; });
-	            nodes = nodes.slice(sortedStartEnd[0], sortedStartEnd[1]+1);
-	        }
-
-	        return nodes.map(function(n) { return graph.entity(n); });
-	    }
-
-	    function shouldKeepNode(node, graph) {
-	        return graph.parentWays(node).length > 1 ||
-	            graph.parentRelations(node).length ||
-	            node.hasInterestingTags();
-	    }
-
-
-	    var action = function(graph, t) {
-	        if (t === null || !isFinite(t)) t = 1;
-	        t = Math.min(Math.max(+t, 0), 1);
-
-	        var nodes = allNodes(graph);
-	        var points = nodes.map(function(n) { return projection(n.loc); });
-	        var startPoint = points[0];
-	        var endPoint = points[points.length-1];
-	        var toDelete = [];
-	        var i;
-
-	        for (i = 1; i < points.length-1; i++) {
-	            var node = nodes[i];
-	            var point = points[i];
-
-	            if (t < 1 || shouldKeepNode(node, graph)) {
-	                var u = positionAlongWay(point, startPoint, endPoint);
-	                var p = geoVecInterp(startPoint, endPoint, u);
-	                var loc2 = projection.invert(p);
-	                graph = graph.replace(node.move(geoVecInterp(node.loc, loc2, t)));
-
-	            } else {
-	                // safe to delete
-	                if (toDelete.indexOf(node) === -1) {
-	                    toDelete.push(node);
-	                }
-	            }
-	        }
-
-	        for (i = 0; i < toDelete.length; i++) {
-	            graph = actionDeleteNode(toDelete[i].id)(graph);
-	        }
-
-	        return graph;
-	    };
-
-
-	    action.disabled = function(graph) {
-	        // check way isn't too bendy
-	        var nodes = allNodes(graph);
-	        var points = nodes.map(function(n) { return projection(n.loc); });
-	        var startPoint = points[0];
-	        var endPoint = points[points.length-1];
-	        var threshold = 0.2 * geoVecLength(startPoint, endPoint);
-	        var i;
-
-	        if (threshold === 0) {
-	            return 'too_bendy';
-	        }
-
-	        var maxDistance = 0;
-
-	        for (i = 1; i < points.length - 1; i++) {
-	            var point = points[i];
-	            var u = positionAlongWay(point, startPoint, endPoint);
-	            var p = geoVecInterp(startPoint, endPoint, u);
-	            var dist = geoVecLength(p, point);
-
-	            // to bendy if point is off by 20% of total start/end distance in projected space
-	            if (isNaN(dist) || dist > threshold) {
-	                return 'too_bendy';
-	            } else if (dist > maxDistance) {
-	                maxDistance = dist;
-	            }
-	        }
-
-	        var keepingAllNodes = nodes.every(function(node, i) {
-	            return i === 0 || i === nodes.length - 1 || shouldKeepNode(node, graph);
-	        });
-
-	        if (maxDistance < 0.0001 &&
-	            // Allow straightening even if already straight in order to remove extraneous nodes
-	            keepingAllNodes) {
-	            return 'straight_enough';
-	        }
-	    };
-
-	    action.transitionable = true;
-
-
-	    return action;
-	}
-
-	// `actionUnrestrictTurn` deletes a turn restriction relation.
-	//
-	// `turn` must be an `osmTurn` object with a `restrictionID` property.
-	// see osm/intersection.js, pathToTurn()
-	//
-	function actionUnrestrictTurn(turn) {
-	    return function(graph) {
-	        return actionDeleteRelation(turn.restrictionID)(graph);
-	    };
-	}
-
-	/* Reflect the given area around its axis of symmetry */
-	function actionReflect(reflectIds, projection) {
-	    var _useLongAxis = true;
-
-
-	    var action = function(graph, t) {
-	        if (t === null || !isFinite(t)) t = 1;
-	        t = Math.min(Math.max(+t, 0), 1);
-
-	        var nodes = utilGetAllNodes(reflectIds, graph);
-	        var points = nodes.map(function(n) { return projection(n.loc); });
-	        var ssr = geoGetSmallestSurroundingRectangle(points);
-
-	        // Choose line pq = axis of symmetry.
-	        // The shape's surrounding rectangle has 2 axes of symmetry.
-	        // Reflect across the longer axis by default.
-	        var p1 = [(ssr.poly[0][0] + ssr.poly[1][0]) / 2, (ssr.poly[0][1] + ssr.poly[1][1]) / 2 ];
-	        var q1 = [(ssr.poly[2][0] + ssr.poly[3][0]) / 2, (ssr.poly[2][1] + ssr.poly[3][1]) / 2 ];
-	        var p2 = [(ssr.poly[3][0] + ssr.poly[4][0]) / 2, (ssr.poly[3][1] + ssr.poly[4][1]) / 2 ];
-	        var q2 = [(ssr.poly[1][0] + ssr.poly[2][0]) / 2, (ssr.poly[1][1] + ssr.poly[2][1]) / 2 ];
-	        var p, q;
-
-	        var isLong = (geoVecLength(p1, q1) > geoVecLength(p2, q2));
-	        if ((_useLongAxis && isLong) || (!_useLongAxis && !isLong)) {
-	            p = p1;
-	            q = q1;
-	        } else {
-	            p = p2;
-	            q = q2;
-	        }
-
-	        // reflect c across pq
-	        // http://math.stackexchange.com/questions/65503/point-reflection-over-a-line
-	        var dx = q[0] - p[0];
-	        var dy = q[1] - p[1];
-	        var a = (dx * dx - dy * dy) / (dx * dx + dy * dy);
-	        var b = 2 * dx * dy / (dx * dx + dy * dy);
-	        for (var i = 0; i < nodes.length; i++) {
-	            var node = nodes[i];
-	            var c = projection(node.loc);
-	            var c2 = [
-	                a * (c[0] - p[0]) + b * (c[1] - p[1]) + p[0],
-	                b * (c[0] - p[0]) - a * (c[1] - p[1]) + p[1]
-	            ];
-	            var loc2 = projection.invert(c2);
-	            node = node.move(geoVecInterp(node.loc, loc2, t));
-	            graph = graph.replace(node);
-	        }
-
-	        return graph;
-	    };
-
-
-	    action.useLongAxis = function(val) {
-	        if (!arguments.length) return _useLongAxis;
-	        _useLongAxis = val;
-	        return action;
-	    };
-
-
-	    action.transitionable = true;
-
-
-	    return action;
-	}
-
-	function actionUpgradeTags(entityId, oldTags, replaceTags) {
-
-	    return function(graph) {
-	        var entity = graph.entity(entityId);
-	        var tags = Object.assign({}, entity.tags);  // shallow copy
-	        var transferValue;
-	        var semiIndex;
-
-	        for (var oldTagKey in oldTags) {
-	            if (oldTags[oldTagKey] === '*') {
-	                transferValue = tags[oldTagKey];
-	                delete tags[oldTagKey];
-	            } else {
-	                var vals = tags[oldTagKey].split(';').filter(Boolean);
-	                var oldIndex = vals.indexOf(oldTags[oldTagKey]);
-	                if (vals.length === 1 || oldIndex === -1) {
-	                    delete tags[oldTagKey];
-	                } else {
-	                    if (replaceTags && replaceTags[oldTagKey]) {
-	                        // replacing a value within a semicolon-delimited value, note the index
-	                        semiIndex = oldIndex;
-	                    }
-	                    vals.splice(oldIndex, 1);
-	                    tags[oldTagKey] = vals.join(';');
-	                }
-	            }
-	        }
-
-	        if (replaceTags) {
-	            for (var replaceKey in replaceTags) {
-	                var replaceValue = replaceTags[replaceKey];
-	                if (replaceValue === '*') {
-	                    if (tags[replaceKey] && tags[replaceKey] !== 'no') {
-	                        // allow any pre-existing value except `no` (troll tag)
-	                        continue;
-	                    } else {
-	                        // otherwise assume `yes` is okay
-	                        tags[replaceKey] = 'yes';
-	                    }
-	                } else if (replaceValue === '$1') {
-	                    tags[replaceKey] = transferValue;
-	                } else {
-	                    if (tags[replaceKey] && oldTags[replaceKey] && semiIndex !== undefined) {
-	                        // don't override preexisting values
-	                        var existingVals = tags[replaceKey].split(';').filter(Boolean);
-	                        if (existingVals.indexOf(replaceValue) === -1) {
-	                            existingVals.splice(semiIndex, 0, replaceValue);
-	                            tags[replaceKey] = existingVals.join(';');
-	                        }
-	                    } else {
-	                        tags[replaceKey] = replaceValue;
-	                    }
-	                }
-	            }
-	        }
-
-	        return graph.replace(entity.update({ tags: tags }));
-	    };
-	}
-
-	function behaviorEdit(context) {
-
-	    function behavior() {
-	        context.map()
-	            .minzoom(context.minEditableZoom());
-	    }
-
-
-	    behavior.off = function() {
-	        context.map()
-	            .minzoom(0);
-	    };
-
-	    return behavior;
-	}
-
-	/*
-	   The hover behavior adds the `.hover` class on pointerover to all elements to which
-	   the identical datum is bound, and removes it on pointerout.
-
-	   The :hover pseudo-class is insufficient for iD's purposes because a datum's visual
-	   representation may consist of several elements scattered throughout the DOM hierarchy.
-	   Only one of these elements can have the :hover pseudo-class, but all of them will
-	   have the .hover class.
-	 */
-	function behaviorHover(context) {
-	    var dispatch$1 = dispatch('hover');
-	    var _selection = select(null);
-	    var _newNodeId = null;
-	    var _initialNodeID = null;
-	    var _altDisables;
-	    var _ignoreVertex;
-	    var _targets = [];
-
-	    // use pointer events on supported platforms; fallback to mouse events
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-
-	    function keydown() {
-	        if (_altDisables && event.keyCode === utilKeybinding.modifierCodes.alt) {
-	            _selection.selectAll('.hover')
-	                .classed('hover-suppressed', true)
-	                .classed('hover', false);
-
-	            _selection
-	                .classed('hover-disabled', true);
-
-	            dispatch$1.call('hover', this, null);
-	        }
-	    }
-
-
-	    function keyup() {
-	        if (_altDisables && event.keyCode === utilKeybinding.modifierCodes.alt) {
-	            _selection.selectAll('.hover-suppressed')
-	                .classed('hover-suppressed', false)
-	                .classed('hover', true);
-
-	            _selection
-	                .classed('hover-disabled', false);
-
-	            dispatch$1.call('hover', this, _targets);
-	        }
-	    }
-
-
-	    function behavior(selection) {
-	        _selection = selection;
-
-	        _targets = [];
-
-	        if (_initialNodeID) {
-	            _newNodeId = _initialNodeID;
-	            _initialNodeID = null;
-	        } else {
-	            _newNodeId = null;
-	        }
-
-	        _selection
-	            .on(_pointerPrefix + 'over.hover', pointerover)
-	            .on(_pointerPrefix + 'out.hover', pointerout)
-	            // treat pointerdown as pointerover for touch devices
-	            .on(_pointerPrefix + 'down.hover', pointerover);
-
-	        select(window)
-	            .on(_pointerPrefix + 'up.hover pointercancel.hover', pointerout, true)
-	            .on('keydown.hover', keydown)
-	            .on('keyup.hover', keyup);
-
-
-	        function eventTarget() {
-	            var datum = event.target && event.target.__data__;
-	            if (typeof datum !== 'object') return null;
-	            if (!(datum instanceof osmEntity) && datum.properties && (datum.properties.entity instanceof osmEntity)) {
-	                return datum.properties.entity;
-	            }
-	            return datum;
-	        }
-
-	        function pointerover() {
-	            // ignore mouse hovers with buttons pressed unless dragging
-	            if (context.mode().id.indexOf('drag') === -1 &&
-	                (!event.pointerType || event.pointerType === 'mouse') &&
-	                event.buttons) return;
-
-	            var target = eventTarget();
-	            if (target && _targets.indexOf(target) === -1) {
-	                _targets.push(target);
-	                updateHover(_targets);
-	            }
-	        }
-
-	        function pointerout() {
-
-	            var target = eventTarget();
-	            var index = _targets.indexOf(target);
-	            if (index !== -1) {
-	                _targets.splice(index);
-	                updateHover(_targets);
-	            }
-	        }
-
-	        function allowsVertex(d) {
-	            return d.geometry(context.graph()) === 'vertex' || _mainPresetIndex.allowsVertex(d, context.graph());
-	        }
-
-	        function modeAllowsHover(target) {
-	            var mode = context.mode();
-	            if (mode.id === 'add-point') {
-	                return mode.preset.matchGeometry('vertex') ||
-	                    (target.type !== 'way' && target.geometry(context.graph()) !== 'vertex');
-	            }
-	            return true;
-	        }
-
-	        function updateHover(targets) {
-
-	            _selection.selectAll('.hover')
-	                .classed('hover', false);
-	            _selection.selectAll('.hover-suppressed')
-	                .classed('hover-suppressed', false);
-
-	            var mode = context.mode();
-
-	            if (!_newNodeId && (mode.id === 'draw-line' || mode.id === 'draw-area')) {
-	                var node = targets.find(function(target) {
-	                    return target instanceof osmEntity && target.type === 'node';
-	                });
-	                _newNodeId = node && node.id;
-	            }
-
-	            targets = targets.filter(function(datum) {
-	                if (datum instanceof osmEntity) {
-	                    // If drawing a way, don't hover on a node that was just placed. #3974
-	                    return datum.id !== _newNodeId &&
-	                        (datum.type !== 'node' || !_ignoreVertex || allowsVertex(datum)) &&
-	                        modeAllowsHover(datum);
-	                }
-	                return true;
-	            });
-
-	            var selector = '';
-
-	            for (var i in targets) {
-	                var datum = targets[i];
-
-	                // What are we hovering over?
-	                if (datum.__featurehash__) {
-	                    // hovering custom data
-	                    selector += ', .data' + datum.__featurehash__;
-
-	                } else if (datum instanceof QAItem) {
-	                    selector += ', .' + datum.service + '.itemId-' + datum.id;
-
-	                } else if (datum instanceof osmNote) {
-	                    selector += ', .note-' + datum.id;
-
-	                } else if (datum instanceof osmEntity) {
-	                    selector += ', .' + datum.id;
-	                    if (datum.type === 'relation') {
-	                        for (var j in datum.members) {
-	                            selector += ', .' + datum.members[j].id;
-	                        }
-	                    }
-	                }
-	            }
-
-	            var suppressed = _altDisables && event && event.altKey;
-
-	            if (selector.trim().length) {
-	                // remove the first comma
-	                selector = selector.slice(1);
-	                _selection.selectAll(selector)
-	                    .classed(suppressed ? 'hover-suppressed' : 'hover', true);
-	            }
-
-	            dispatch$1.call('hover', this, !suppressed && targets);
-	        }
-	    }
-
-
-	    behavior.off = function(selection) {
-	        selection.selectAll('.hover')
-	            .classed('hover', false);
-	        selection.selectAll('.hover-suppressed')
-	            .classed('hover-suppressed', false);
-	        selection
-	            .classed('hover-disabled', false);
-
-	        selection
-	            .on(_pointerPrefix + 'over.hover', null)
-	            .on(_pointerPrefix + 'out.hover', null)
-	            .on(_pointerPrefix + 'down.hover', null);
-
-	        select(window)
-	            .on(_pointerPrefix + 'up.hover pointercancel.hover', null, true)
-	            .on('keydown.hover', null)
-	            .on('keyup.hover', null);
-	    };
-
-
-	    behavior.altDisables = function(val) {
-	        if (!arguments.length) return _altDisables;
-	        _altDisables = val;
-	        return behavior;
-	    };
-
-	    behavior.ignoreVertex = function(val) {
-	        if (!arguments.length) return _ignoreVertex;
-	        _ignoreVertex = val;
-	        return behavior;
-	    };
-
-	    behavior.initialNodeID = function(nodeId) {
-	        _initialNodeID = nodeId;
-	        return behavior;
-	    };
-
-	    return utilRebind(behavior, dispatch$1, 'on');
-	}
-
-	var _disableSpace = false;
-	var _lastSpace = null;
-
-
-	function behaviorDraw(context) {
-	    var dispatch$1 = dispatch(
-	        'move', 'down', 'downcancel', 'click', 'clickWay', 'clickNode', 'undo', 'cancel', 'finish'
-	    );
-
-	    var keybinding = utilKeybinding('draw');
-
-	    var _hover = behaviorHover(context)
-	        .altDisables(true)
-	        .ignoreVertex(true)
-	        .on('hover', context.ui().sidebar.hover);
-	    var _edit = behaviorEdit(context);
-
-	    var _closeTolerance = 4;
-	    var _tolerance = 12;
-	    var _mouseLeave = false;
-	    var _lastMouse = null;
-	    var _lastPointerUpEvent;
-
-	    var _downPointer;
-
-	    // use pointer events on supported platforms; fallback to mouse events
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-
-	    // related code
-	    // - `mode/drag_node.js` `datum()`
-	    function datum() {
-	        var mode = context.mode();
-	        var isNote = mode && (mode.id.indexOf('note') !== -1);
-	        if (event.altKey || isNote) return {};
-
-	        var element;
-	        if (event.type === 'keydown') {
-	            element = _lastMouse && _lastMouse.target;
-	        } else {
-	            element = event.target;
-	        }
-
-	        // When drawing, snap only to touch targets..
-	        // (this excludes area fills and active drawing elements)
-	        var d = element.__data__;
-	        return (d && d.properties && d.properties.target) ? d : {};
-	    }
-
-	    function pointerdown() {
-
-	        if (_downPointer) return;
-
-	        var pointerLocGetter = utilFastMouse(this);
-	        _downPointer = {
-	            id: event.pointerId || 'mouse',
-	            pointerLocGetter: pointerLocGetter,
-	            downTime: +new Date(),
-	            downLoc: pointerLocGetter(event)
-	        };
-
-	        dispatch$1.call('down', this, datum());
-	    }
-
-	    function pointerup() {
-
-	        if (!_downPointer || _downPointer.id !== (event.pointerId || 'mouse')) return;
-
-	        var downPointer = _downPointer;
-	        _downPointer = null;
-
-	        _lastPointerUpEvent = event;
-
-	        if (downPointer.isCancelled) return;
-
-	        var t2 = +new Date();
-	        var p2 = downPointer.pointerLocGetter(event);
-	        var dist = geoVecLength(downPointer.downLoc, p2);
-
-	        if (dist < _closeTolerance || (dist < _tolerance && (t2 - downPointer.downTime) < 500)) {
-	            // Prevent a quick second click
-	            select(window).on('click.draw-block', function() {
-	                event.stopPropagation();
-	            }, true);
-
-	            context.map().dblclickZoomEnable(false);
-
-	            window.setTimeout(function() {
-	                context.map().dblclickZoomEnable(true);
-	                select(window).on('click.draw-block', null);
-	            }, 500);
-
-	            click(p2);
-	        }
-	    }
-
-	    function pointermove() {
-	        if (_downPointer &&
-	            _downPointer.id === (event.pointerId || 'mouse') &&
-	            !_downPointer.isCancelled) {
-	            var p2 = _downPointer.pointerLocGetter(event);
-	            var dist = geoVecLength(_downPointer.downLoc, p2);
-	            if (dist >= _closeTolerance) {
-	                _downPointer.isCancelled = true;
-	                dispatch$1.call('downcancel', this);
-	            }
-	        }
-
-	        if ((event.pointerType && event.pointerType !== 'mouse') ||
-	            event.buttons ||
-	            _downPointer) return;
-
-	        // HACK: Mobile Safari likes to send one or more `mouse` type pointermove
-	        // events immediately after non-mouse pointerup events; detect and ignore them.
-	        if (_lastPointerUpEvent &&
-	            _lastPointerUpEvent.pointerType !== 'mouse' &&
-	            event.timeStamp - _lastPointerUpEvent.timeStamp < 100) return;
-
-	        _lastMouse = event;
-	        dispatch$1.call('move', this, datum());
-	    }
-
-	    function pointercancel() {
-	        if (_downPointer &&
-	            _downPointer.id === (event.pointerId || 'mouse')) {
-
-	            if (!_downPointer.isCancelled) {
-	                dispatch$1.call('downcancel', this);
-	            }
-	            _downPointer = null;
-	        }
-	    }
-
-	    function mouseenter() {
-	        _mouseLeave = false;
-	    }
-
-	    function mouseleave() {
-	        _mouseLeave = true;
-	    }
-
-	    function allowsVertex(d) {
-	        return d.geometry(context.graph()) === 'vertex' || _mainPresetIndex.allowsVertex(d, context.graph());
-	    }
-
-	    // related code
-	    // - `mode/drag_node.js`     `doMove()`
-	    // - `behavior/draw.js`      `click()`
-	    // - `behavior/draw_way.js`  `move()`
-	    function click(loc) {
-	        var d = datum();
-	        var target = d && d.properties && d.properties.entity;
-
-	        var mode = context.mode();
-
-	        if (target && target.type === 'node' && allowsVertex(target)) {   // Snap to a node
-	            dispatch$1.call('clickNode', this, target, d);
-	            return;
-
-	        } else if (target && target.type === 'way' && (mode.id !== 'add-point' || mode.preset.matchGeometry('vertex'))) {   // Snap to a way
-	            var choice = geoChooseEdge(
-	                context.graph().childNodes(target), loc, context.projection, context.activeID()
-	            );
-	            if (choice) {
-	                var edge = [target.nodes[choice.index - 1], target.nodes[choice.index]];
-	                dispatch$1.call('clickWay', this, choice.loc, edge, d);
-	                return;
-	            }
-	        } else if (mode.id !== 'add-point' || mode.preset.matchGeometry('point')) {
-	            var locLatLng = context.projection.invert(loc);
-	            dispatch$1.call('click', this, locLatLng, d);
-	        }
-
-	    }
-
-	    // treat a spacebar press like a click
-	    function space() {
-	        event.preventDefault();
-	        event.stopPropagation();
-
-	        var currSpace = context.map().mouse();
-	        if (_disableSpace && _lastSpace) {
-	            var dist = geoVecLength(_lastSpace, currSpace);
-	            if (dist > _tolerance) {
-	                _disableSpace = false;
-	            }
-	        }
-
-	        if (_disableSpace || _mouseLeave || !_lastMouse) return;
-
-	        // user must move mouse or release space bar to allow another click
-	        _lastSpace = currSpace;
-	        _disableSpace = true;
-
-	        select(window).on('keyup.space-block', function() {
-	            event.preventDefault();
-	            event.stopPropagation();
-	            _disableSpace = false;
-	            select(window).on('keyup.space-block', null);
-	        });
-
-	        // get the current mouse position
-	        var loc = context.map().mouse() ||
-	            // or the map center if the mouse has never entered the map
-	            context.projection(context.map().center());
-	        click(loc);
-	    }
-
-
-	    function backspace() {
-	        event.preventDefault();
-	        dispatch$1.call('undo');
-	    }
-
-
-	    function del() {
-	        event.preventDefault();
-	        dispatch$1.call('cancel');
-	    }
-
-
-	    function ret() {
-	        event.preventDefault();
-	        dispatch$1.call('finish');
-	    }
-
-
-	    function behavior(selection) {
-	        context.install(_hover);
-	        context.install(_edit);
-
-	        _downPointer = null;
-
-	        keybinding
-	            .on('⌫', backspace)
-	            .on('⌦', del)
-	            .on('⎋', ret)
-	            .on('↩', ret)
-	            .on('space', space)
-	            .on('⌥space', space);
-
-	        selection
-	            .on('mouseenter.draw', mouseenter)
-	            .on('mouseleave.draw', mouseleave)
-	            .on(_pointerPrefix + 'down.draw', pointerdown)
-	            .on(_pointerPrefix + 'move.draw', pointermove);
-
-	        select(window)
-	            .on(_pointerPrefix + 'up.draw', pointerup, true)
-	            .on('pointercancel.draw', pointercancel, true);
-
-	        select(document)
-	            .call(keybinding);
-
-	        return behavior;
-	    }
-
-
-	    behavior.off = function(selection) {
-	        context.ui().sidebar.hover.cancel();
-	        context.uninstall(_hover);
-	        context.uninstall(_edit);
-
-	        selection
-	            .on('mouseenter.draw', null)
-	            .on('mouseleave.draw', null)
-	            .on(_pointerPrefix + 'down.draw', null)
-	            .on(_pointerPrefix + 'move.draw', null);
-
-	        select(window)
-	            .on(_pointerPrefix + 'up.draw', null)
-	            .on('pointercancel.draw', null);
-	            // note: keyup.space-block, click.draw-block should remain
-
-	        select(document)
-	            .call(keybinding.unbind);
-	    };
-
-
-	    behavior.hover = function() {
-	        return _hover;
-	    };
-
-
-	    return utilRebind(behavior, dispatch$1, 'on');
-	}
-
-	function initRange(domain, range) {
-	  switch (arguments.length) {
-	    case 0: break;
-	    case 1: this.range(domain); break;
-	    default: this.range(range).domain(domain); break;
-	  }
-	  return this;
-	}
-
-	var prefix = "$";
-
-	function Map$1() {}
-
-	Map$1.prototype = map$2.prototype = {
-	  constructor: Map$1,
-	  has: function(key) {
-	    return (prefix + key) in this;
-	  },
-	  get: function(key) {
-	    return this[prefix + key];
-	  },
-	  set: function(key, value) {
-	    this[prefix + key] = value;
-	    return this;
-	  },
-	  remove: function(key) {
-	    var property = prefix + key;
-	    return property in this && delete this[property];
-	  },
-	  clear: function() {
-	    for (var property in this) if (property[0] === prefix) delete this[property];
-	  },
-	  keys: function() {
-	    var keys = [];
-	    for (var property in this) if (property[0] === prefix) keys.push(property.slice(1));
-	    return keys;
-	  },
-	  values: function() {
-	    var values = [];
-	    for (var property in this) if (property[0] === prefix) values.push(this[property]);
-	    return values;
-	  },
-	  entries: function() {
-	    var entries = [];
-	    for (var property in this) if (property[0] === prefix) entries.push({key: property.slice(1), value: this[property]});
-	    return entries;
-	  },
-	  size: function() {
-	    var size = 0;
-	    for (var property in this) if (property[0] === prefix) ++size;
-	    return size;
-	  },
-	  empty: function() {
-	    for (var property in this) if (property[0] === prefix) return false;
-	    return true;
-	  },
-	  each: function(f) {
-	    for (var property in this) if (property[0] === prefix) f(this[property], property.slice(1), this);
-	  }
-	};
-
-	function map$2(object, f) {
-	  var map = new Map$1;
-
-	  // Copy constructor.
-	  if (object instanceof Map$1) object.each(function(value, key) { map.set(key, value); });
-
-	  // Index array by numeric index or specified key function.
-	  else if (Array.isArray(object)) {
-	    var i = -1,
-	        n = object.length,
-	        o;
-
-	    if (f == null) while (++i < n) map.set(i, object[i]);
-	    else while (++i < n) map.set(f(o = object[i], i, object), o);
-	  }
-
-	  // Convert object to map.
-	  else if (object) for (var key in object) map.set(key, object[key]);
-
-	  return map;
-	}
-
-	function Set$1() {}
-
-	var proto = map$2.prototype;
-
-	Set$1.prototype = set$2.prototype = {
-	  constructor: Set$1,
-	  has: proto.has,
-	  add: function(value) {
-	    value += "";
-	    this[prefix + value] = value;
-	    return this;
-	  },
-	  remove: proto.remove,
-	  clear: proto.clear,
-	  values: proto.keys,
-	  size: proto.size,
-	  empty: proto.empty,
-	  each: proto.each
-	};
-
-	function set$2(object, f) {
-	  var set = new Set$1;
-
-	  // Copy constructor.
-	  if (object instanceof Set$1) object.each(function(value) { set.add(value); });
-
-	  // Otherwise, assume it’s an array.
-	  else if (object) {
-	    var i = -1, n = object.length;
-	    if (f == null) while (++i < n) set.add(object[i]);
-	    else while (++i < n) set.add(f(object[i], i, object));
-	  }
-
-	  return set;
-	}
-
-	var array$1 = Array.prototype;
-
-	var map$3 = array$1.map;
-	var slice$4 = array$1.slice;
-
-	function constant$4(x) {
-	  return function() {
-	    return x;
-	  };
-	}
-
-	function number$1(x) {
-	  return +x;
-	}
-
-	var unit = [0, 1];
-
-	function identity$3(x) {
-	  return x;
-	}
-
-	function normalize(a, b) {
-	  return (b -= (a = +a))
-	      ? function(x) { return (x - a) / b; }
-	      : constant$4(isNaN(b) ? NaN : 0.5);
-	}
-
-	function clamper(domain) {
-	  var a = domain[0], b = domain[domain.length - 1], t;
-	  if (a > b) t = a, a = b, b = t;
-	  return function(x) { return Math.max(a, Math.min(b, x)); };
-	}
-
-	// normalize(a, b)(x) takes a domain value x in [a,b] and returns the corresponding parameter t in [0,1].
-	// interpolate(a, b)(t) takes a parameter t in [0,1] and returns the corresponding range value x in [a,b].
-	function bimap(domain, range, interpolate) {
-	  var d0 = domain[0], d1 = domain[1], r0 = range[0], r1 = range[1];
-	  if (d1 < d0) d0 = normalize(d1, d0), r0 = interpolate(r1, r0);
-	  else d0 = normalize(d0, d1), r0 = interpolate(r0, r1);
-	  return function(x) { return r0(d0(x)); };
-	}
-
-	function polymap(domain, range, interpolate) {
-	  var j = Math.min(domain.length, range.length) - 1,
-	      d = new Array(j),
-	      r = new Array(j),
-	      i = -1;
-
-	  // Reverse descending domains.
-	  if (domain[j] < domain[0]) {
-	    domain = domain.slice().reverse();
-	    range = range.slice().reverse();
-	  }
-
-	  while (++i < j) {
-	    d[i] = normalize(domain[i], domain[i + 1]);
-	    r[i] = interpolate(range[i], range[i + 1]);
-	  }
-
-	  return function(x) {
-	    var i = bisectRight(domain, x, 1, j) - 1;
-	    return r[i](d[i](x));
-	  };
-	}
-
-	function copy$1(source, target) {
-	  return target
-	      .domain(source.domain())
-	      .range(source.range())
-	      .interpolate(source.interpolate())
-	      .clamp(source.clamp())
-	      .unknown(source.unknown());
-	}
-
-	function transformer$1() {
-	  var domain = unit,
-	      range = unit,
-	      interpolate$1 = interpolate,
-	      transform,
-	      untransform,
-	      unknown,
-	      clamp = identity$3,
-	      piecewise,
-	      output,
-	      input;
-
-	  function rescale() {
-	    piecewise = Math.min(domain.length, range.length) > 2 ? polymap : bimap;
-	    output = input = null;
-	    return scale;
-	  }
-
-	  function scale(x) {
-	    return isNaN(x = +x) ? unknown : (output || (output = piecewise(domain.map(transform), range, interpolate$1)))(transform(clamp(x)));
-	  }
-
-	  scale.invert = function(y) {
-	    return clamp(untransform((input || (input = piecewise(range, domain.map(transform), d3_interpolateNumber)))(y)));
-	  };
-
-	  scale.domain = function(_) {
-	    return arguments.length ? (domain = map$3.call(_, number$1), clamp === identity$3 || (clamp = clamper(domain)), rescale()) : domain.slice();
-	  };
-
-	  scale.range = function(_) {
-	    return arguments.length ? (range = slice$4.call(_), rescale()) : range.slice();
-	  };
-
-	  scale.rangeRound = function(_) {
-	    return range = slice$4.call(_), interpolate$1 = interpolateRound, rescale();
-	  };
-
-	  scale.clamp = function(_) {
-	    return arguments.length ? (clamp = _ ? clamper(domain) : identity$3, scale) : clamp !== identity$3;
-	  };
-
-	  scale.interpolate = function(_) {
-	    return arguments.length ? (interpolate$1 = _, rescale()) : interpolate$1;
-	  };
-
-	  scale.unknown = function(_) {
-	    return arguments.length ? (unknown = _, scale) : unknown;
-	  };
-
-	  return function(t, u) {
-	    transform = t, untransform = u;
-	    return rescale();
-	  };
-	}
-
-	function continuous(transform, untransform) {
-	  return transformer$1()(transform, untransform);
-	}
-
-	// Computes the decimal coefficient and exponent of the specified number x with
-	// significant digits p, where x is positive and p is in [1, 21] or undefined.
-	// For example, formatDecimal(1.23) returns ["123", 0].
-	function formatDecimal(x, p) {
-	  if ((i = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0) return null; // NaN, ±Infinity
-	  var i, coefficient = x.slice(0, i);
-
-	  // The string returned by toExponential either has the form \d\.\d+e[-+]\d+
-	  // (e.g., 1.2e+3) or the form \de[-+]\d+ (e.g., 1e+3).
-	  return [
-	    coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient,
-	    +x.slice(i + 1)
-	  ];
-	}
-
-	function exponent(x) {
-	  return x = formatDecimal(Math.abs(x)), x ? x[1] : NaN;
-	}
-
-	function formatGroup(grouping, thousands) {
-	  return function(value, width) {
-	    var i = value.length,
-	        t = [],
-	        j = 0,
-	        g = grouping[0],
-	        length = 0;
-
-	    while (i > 0 && g > 0) {
-	      if (length + g + 1 > width) g = Math.max(1, width - length);
-	      t.push(value.substring(i -= g, i + g));
-	      if ((length += g + 1) > width) break;
-	      g = grouping[j = (j + 1) % grouping.length];
-	    }
-
-	    return t.reverse().join(thousands);
-	  };
-	}
-
-	function formatNumerals(numerals) {
-	  return function(value) {
-	    return value.replace(/[0-9]/g, function(i) {
-	      return numerals[+i];
-	    });
-	  };
-	}
-
-	// [[fill]align][sign][symbol][0][width][,][.precision][~][type]
-	var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i;
-
-	function formatSpecifier(specifier) {
-	  if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);
-	  var match;
-	  return new FormatSpecifier({
-	    fill: match[1],
-	    align: match[2],
-	    sign: match[3],
-	    symbol: match[4],
-	    zero: match[5],
-	    width: match[6],
-	    comma: match[7],
-	    precision: match[8] && match[8].slice(1),
-	    trim: match[9],
-	    type: match[10]
-	  });
-	}
-
-	formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof
-
-	function FormatSpecifier(specifier) {
-	  this.fill = specifier.fill === undefined ? " " : specifier.fill + "";
-	  this.align = specifier.align === undefined ? ">" : specifier.align + "";
-	  this.sign = specifier.sign === undefined ? "-" : specifier.sign + "";
-	  this.symbol = specifier.symbol === undefined ? "" : specifier.symbol + "";
-	  this.zero = !!specifier.zero;
-	  this.width = specifier.width === undefined ? undefined : +specifier.width;
-	  this.comma = !!specifier.comma;
-	  this.precision = specifier.precision === undefined ? undefined : +specifier.precision;
-	  this.trim = !!specifier.trim;
-	  this.type = specifier.type === undefined ? "" : specifier.type + "";
-	}
-
-	FormatSpecifier.prototype.toString = function() {
-	  return this.fill
-	      + this.align
-	      + this.sign
-	      + this.symbol
-	      + (this.zero ? "0" : "")
-	      + (this.width === undefined ? "" : Math.max(1, this.width | 0))
-	      + (this.comma ? "," : "")
-	      + (this.precision === undefined ? "" : "." + Math.max(0, this.precision | 0))
-	      + (this.trim ? "~" : "")
-	      + this.type;
-	};
-
-	// Trims insignificant zeros, e.g., replaces 1.2000k with 1.2k.
-	function formatTrim(s) {
-	  out: for (var n = s.length, i = 1, i0 = -1, i1; i < n; ++i) {
-	    switch (s[i]) {
-	      case ".": i0 = i1 = i; break;
-	      case "0": if (i0 === 0) i0 = i; i1 = i; break;
-	      default: if (!+s[i]) break out; if (i0 > 0) i0 = 0; break;
-	    }
-	  }
-	  return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s;
-	}
-
-	var prefixExponent;
-
-	function formatPrefixAuto(x, p) {
-	  var d = formatDecimal(x, p);
-	  if (!d) return x + "";
-	  var coefficient = d[0],
-	      exponent = d[1],
-	      i = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1,
-	      n = coefficient.length;
-	  return i === n ? coefficient
-	      : i > n ? coefficient + new Array(i - n + 1).join("0")
-	      : i > 0 ? coefficient.slice(0, i) + "." + coefficient.slice(i)
-	      : "0." + new Array(1 - i).join("0") + formatDecimal(x, Math.max(0, p + i - 1))[0]; // less than 1y!
-	}
-
-	function formatRounded(x, p) {
-	  var d = formatDecimal(x, p);
-	  if (!d) return x + "";
-	  var coefficient = d[0],
-	      exponent = d[1];
-	  return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient
-	      : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1)
-	      : coefficient + new Array(exponent - coefficient.length + 2).join("0");
-	}
-
-	var formatTypes = {
-	  "%": function(x, p) { return (x * 100).toFixed(p); },
-	  "b": function(x) { return Math.round(x).toString(2); },
-	  "c": function(x) { return x + ""; },
-	  "d": function(x) { return Math.round(x).toString(10); },
-	  "e": function(x, p) { return x.toExponential(p); },
-	  "f": function(x, p) { return x.toFixed(p); },
-	  "g": function(x, p) { return x.toPrecision(p); },
-	  "o": function(x) { return Math.round(x).toString(8); },
-	  "p": function(x, p) { return formatRounded(x * 100, p); },
-	  "r": formatRounded,
-	  "s": formatPrefixAuto,
-	  "X": function(x) { return Math.round(x).toString(16).toUpperCase(); },
-	  "x": function(x) { return Math.round(x).toString(16); }
-	};
-
-	function identity$4(x) {
-	  return x;
-	}
-
-	var map$4 = Array.prototype.map,
-	    prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"];
-
-	function formatLocale(locale) {
-	  var group = locale.grouping === undefined || locale.thousands === undefined ? identity$4 : formatGroup(map$4.call(locale.grouping, Number), locale.thousands + ""),
-	      currencyPrefix = locale.currency === undefined ? "" : locale.currency[0] + "",
-	      currencySuffix = locale.currency === undefined ? "" : locale.currency[1] + "",
-	      decimal = locale.decimal === undefined ? "." : locale.decimal + "",
-	      numerals = locale.numerals === undefined ? identity$4 : formatNumerals(map$4.call(locale.numerals, String)),
-	      percent = locale.percent === undefined ? "%" : locale.percent + "",
-	      minus = locale.minus === undefined ? "-" : locale.minus + "",
-	      nan = locale.nan === undefined ? "NaN" : locale.nan + "";
-
-	  function newFormat(specifier) {
-	    specifier = formatSpecifier(specifier);
-
-	    var fill = specifier.fill,
-	        align = specifier.align,
-	        sign = specifier.sign,
-	        symbol = specifier.symbol,
-	        zero = specifier.zero,
-	        width = specifier.width,
-	        comma = specifier.comma,
-	        precision = specifier.precision,
-	        trim = specifier.trim,
-	        type = specifier.type;
-
-	    // The "n" type is an alias for ",g".
-	    if (type === "n") comma = true, type = "g";
-
-	    // The "" type, and any invalid type, is an alias for ".12~g".
-	    else if (!formatTypes[type]) precision === undefined && (precision = 12), trim = true, type = "g";
-
-	    // If zero fill is specified, padding goes after sign and before digits.
-	    if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";
-
-	    // Compute the prefix and suffix.
-	    // For SI-prefix, the suffix is lazily computed.
-	    var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "",
-	        suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type) ? percent : "";
-
-	    // What format function should we use?
-	    // Is this an integer type?
-	    // Can this type generate exponential notation?
-	    var formatType = formatTypes[type],
-	        maybeSuffix = /[defgprs%]/.test(type);
-
-	    // Set the default precision if not specified,
-	    // or clamp the specified precision to the supported range.
-	    // For significant precision, it must be in [1, 21].
-	    // For fixed precision, it must be in [0, 20].
-	    precision = precision === undefined ? 6
-	        : /[gprs]/.test(type) ? Math.max(1, Math.min(21, precision))
-	        : Math.max(0, Math.min(20, precision));
-
-	    function format(value) {
-	      var valuePrefix = prefix,
-	          valueSuffix = suffix,
-	          i, n, c;
-
-	      if (type === "c") {
-	        valueSuffix = formatType(value) + valueSuffix;
-	        value = "";
-	      } else {
-	        value = +value;
-
-	        // Determine the sign. -0 is not less than 0, but 1 / -0 is!
-	        var valueNegative = value < 0 || 1 / value < 0;
-
-	        // Perform the initial formatting.
-	        value = isNaN(value) ? nan : formatType(Math.abs(value), precision);
-
-	        // Trim insignificant zeros.
-	        if (trim) value = formatTrim(value);
-
-	        // If a negative value rounds to zero after formatting, and no explicit positive sign is requested, hide the sign.
-	        if (valueNegative && +value === 0 && sign !== "+") valueNegative = false;
-
-	        // Compute the prefix and suffix.
-	        valuePrefix = (valueNegative ? (sign === "(" ? sign : minus) : sign === "-" || sign === "(" ? "" : sign) + valuePrefix;
-	        valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : "");
-
-	        // Break the formatted value into the integer “value” part that can be
-	        // grouped, and fractional or exponential “suffix” part that is not.
-	        if (maybeSuffix) {
-	          i = -1, n = value.length;
-	          while (++i < n) {
-	            if (c = value.charCodeAt(i), 48 > c || c > 57) {
-	              valueSuffix = (c === 46 ? decimal + value.slice(i + 1) : value.slice(i)) + valueSuffix;
-	              value = value.slice(0, i);
-	              break;
-	            }
-	          }
-	        }
-	      }
-
-	      // If the fill character is not "0", grouping is applied before padding.
-	      if (comma && !zero) value = group(value, Infinity);
-
-	      // Compute the padding.
-	      var length = valuePrefix.length + value.length + valueSuffix.length,
-	          padding = length < width ? new Array(width - length + 1).join(fill) : "";
-
-	      // If the fill character is "0", grouping is applied after padding.
-	      if (comma && zero) value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = "";
-
-	      // Reconstruct the final output based on the desired alignment.
-	      switch (align) {
-	        case "<": value = valuePrefix + value + valueSuffix + padding; break;
-	        case "=": value = valuePrefix + padding + value + valueSuffix; break;
-	        case "^": value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length); break;
-	        default: value = padding + valuePrefix + value + valueSuffix; break;
-	      }
-
-	      return numerals(value);
-	    }
-
-	    format.toString = function() {
-	      return specifier + "";
-	    };
-
-	    return format;
-	  }
-
-	  function formatPrefix(specifier, value) {
-	    var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)),
-	        e = Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3,
-	        k = Math.pow(10, -e),
-	        prefix = prefixes[8 + e / 3];
-	    return function(value) {
-	      return f(k * value) + prefix;
-	    };
-	  }
-
-	  return {
-	    format: newFormat,
-	    formatPrefix: formatPrefix
-	  };
-	}
-
-	var locale;
-	var format;
-	var formatPrefix;
-
-	defaultLocale({
-	  decimal: ".",
-	  thousands: ",",
-	  grouping: [3],
-	  currency: ["$", ""],
-	  minus: "-"
-	});
-
-	function defaultLocale(definition) {
-	  locale = formatLocale(definition);
-	  format = locale.format;
-	  formatPrefix = locale.formatPrefix;
-	  return locale;
-	}
-
-	function precisionFixed(step) {
-	  return Math.max(0, -exponent(Math.abs(step)));
-	}
-
-	function precisionPrefix(step, value) {
-	  return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent(value) / 3))) * 3 - exponent(Math.abs(step)));
-	}
-
-	function precisionRound(step, max) {
-	  step = Math.abs(step), max = Math.abs(max) - step;
-	  return Math.max(0, exponent(max) - exponent(step)) + 1;
-	}
-
-	function tickFormat(start, stop, count, specifier) {
-	  var step = tickStep(start, stop, count),
-	      precision;
-	  specifier = formatSpecifier(specifier == null ? ",f" : specifier);
-	  switch (specifier.type) {
-	    case "s": {
-	      var value = Math.max(Math.abs(start), Math.abs(stop));
-	      if (specifier.precision == null && !isNaN(precision = precisionPrefix(step, value))) specifier.precision = precision;
-	      return formatPrefix(specifier, value);
-	    }
-	    case "":
-	    case "e":
-	    case "g":
-	    case "p":
-	    case "r": {
-	      if (specifier.precision == null && !isNaN(precision = precisionRound(step, Math.max(Math.abs(start), Math.abs(stop))))) specifier.precision = precision - (specifier.type === "e");
-	      break;
-	    }
-	    case "f":
-	    case "%": {
-	      if (specifier.precision == null && !isNaN(precision = precisionFixed(step))) specifier.precision = precision - (specifier.type === "%") * 2;
-	      break;
-	    }
-	  }
-	  return format(specifier);
-	}
-
-	function linearish(scale) {
-	  var domain = scale.domain;
-
-	  scale.ticks = function(count) {
-	    var d = domain();
-	    return ticks(d[0], d[d.length - 1], count == null ? 10 : count);
-	  };
-
-	  scale.tickFormat = function(count, specifier) {
-	    var d = domain();
-	    return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier);
-	  };
-
-	  scale.nice = function(count) {
-	    if (count == null) count = 10;
-
-	    var d = domain(),
-	        i0 = 0,
-	        i1 = d.length - 1,
-	        start = d[i0],
-	        stop = d[i1],
-	        step;
-
-	    if (stop < start) {
-	      step = start, start = stop, stop = step;
-	      step = i0, i0 = i1, i1 = step;
-	    }
-
-	    step = tickIncrement(start, stop, count);
-
-	    if (step > 0) {
-	      start = Math.floor(start / step) * step;
-	      stop = Math.ceil(stop / step) * step;
-	      step = tickIncrement(start, stop, count);
-	    } else if (step < 0) {
-	      start = Math.ceil(start * step) / step;
-	      stop = Math.floor(stop * step) / step;
-	      step = tickIncrement(start, stop, count);
-	    }
-
-	    if (step > 0) {
-	      d[i0] = Math.floor(start / step) * step;
-	      d[i1] = Math.ceil(stop / step) * step;
-	      domain(d);
-	    } else if (step < 0) {
-	      d[i0] = Math.ceil(start * step) / step;
-	      d[i1] = Math.floor(stop * step) / step;
-	      domain(d);
-	    }
-
-	    return scale;
-	  };
-
-	  return scale;
-	}
-
-	function linear$2() {
-	  var scale = continuous(identity$3, identity$3);
-
-	  scale.copy = function() {
-	    return copy$1(scale, linear$2());
-	  };
-
-	  initRange.apply(scale, arguments);
-
-	  return linearish(scale);
-	}
-
-	function quantize() {
-	  var x0 = 0,
-	      x1 = 1,
-	      n = 1,
-	      domain = [0.5],
-	      range = [0, 1],
-	      unknown;
-
-	  function scale(x) {
-	    return x <= x ? range[bisectRight(domain, x, 0, n)] : unknown;
-	  }
-
-	  function rescale() {
-	    var i = -1;
-	    domain = new Array(n);
-	    while (++i < n) domain[i] = ((i + 1) * x1 - (i - n) * x0) / (n + 1);
-	    return scale;
-	  }
-
-	  scale.domain = function(_) {
-	    return arguments.length ? (x0 = +_[0], x1 = +_[1], rescale()) : [x0, x1];
-	  };
-
-	  scale.range = function(_) {
-	    return arguments.length ? (n = (range = slice$4.call(_)).length - 1, rescale()) : range.slice();
-	  };
-
-	  scale.invertExtent = function(y) {
-	    var i = range.indexOf(y);
-	    return i < 0 ? [NaN, NaN]
-	        : i < 1 ? [x0, domain[0]]
-	        : i >= n ? [domain[n - 1], x1]
-	        : [domain[i - 1], domain[i]];
-	  };
-
-	  scale.unknown = function(_) {
-	    return arguments.length ? (unknown = _, scale) : scale;
-	  };
-
-	  scale.thresholds = function() {
-	    return domain.slice();
-	  };
-
-	  scale.copy = function() {
-	    return quantize()
-	        .domain([x0, x1])
-	        .range(range)
-	        .unknown(unknown);
-	  };
-
-	  return initRange.apply(linearish(scale), arguments);
-	}
-
-	function behaviorBreathe() {
-	    var duration = 800;
-	    var steps = 4;
-	    var selector = '.selected.shadow, .selected .shadow';
-	    var _selected = select(null);
-	    var _classed = '';
-	    var _params = {};
-	    var _done = false;
-	    var _timer;
-
-
-	    function ratchetyInterpolator(a, b, steps, units) {
-	        a = parseFloat(a);
-	        b = parseFloat(b);
-	        var sample = quantize()
-	            .domain([0, 1])
-	            .range(d3_quantize(d3_interpolateNumber(a, b), steps));
-
-	        return function(t) {
-	            return String(sample(t)) + (units || '');
-	        };
-	    }
-
-
-	    function reset(selection) {
-	        selection
-	            .style('stroke-opacity', null)
-	            .style('stroke-width', null)
-	            .style('fill-opacity', null)
-	            .style('r', null);
-	    }
-
-
-	    function setAnimationParams(transition, fromTo) {
-	        var toFrom = (fromTo === 'from' ? 'to' : 'from');
-
-	        transition
-	            .styleTween('stroke-opacity', function(d) {
-	                return ratchetyInterpolator(
-	                    _params[d.id][toFrom].opacity,
-	                    _params[d.id][fromTo].opacity,
-	                    steps
-	                );
-	            })
-	            .styleTween('stroke-width', function(d) {
-	                return ratchetyInterpolator(
-	                    _params[d.id][toFrom].width,
-	                    _params[d.id][fromTo].width,
-	                    steps,
-	                    'px'
-	                );
-	            })
-	            .styleTween('fill-opacity', function(d) {
-	                return ratchetyInterpolator(
-	                    _params[d.id][toFrom].opacity,
-	                    _params[d.id][fromTo].opacity,
-	                    steps
-	                );
-	            })
-	            .styleTween('r', function(d) {
-	                return ratchetyInterpolator(
-	                    _params[d.id][toFrom].width,
-	                    _params[d.id][fromTo].width,
-	                    steps,
-	                    'px'
-	                );
-	            });
-	    }
-
-
-	    function calcAnimationParams(selection) {
-	        selection
-	            .call(reset)
-	            .each(function(d) {
-	                var s = select(this);
-	                var tag = s.node().tagName;
-	                var p = {'from': {}, 'to': {}};
-	                var opacity;
-	                var width;
-
-	                // determine base opacity and width
-	                if (tag === 'circle') {
-	                    opacity = parseFloat(s.style('fill-opacity') || 0.5);
-	                    width = parseFloat(s.style('r') || 15.5);
-	                } else {
-	                    opacity = parseFloat(s.style('stroke-opacity') || 0.7);
-	                    width = parseFloat(s.style('stroke-width') || 10);
-	                }
-
-	                // calculate from/to interpolation params..
-	                p.tag = tag;
-	                p.from.opacity = opacity * 0.6;
-	                p.to.opacity = opacity * 1.25;
-	                p.from.width = width * 0.7;
-	                p.to.width = width * (tag === 'circle' ? 1.5 : 1);
-	                _params[d.id] = p;
-	            });
-	    }
-
-
-	    function run(surface, fromTo) {
-	        var toFrom = (fromTo === 'from' ? 'to' : 'from');
-	        var currSelected = surface.selectAll(selector);
-	        var currClassed = surface.attr('class');
-
-	        if (_done || currSelected.empty()) {
-	            _selected.call(reset);
-	            _selected = select(null);
-	            return;
-	        }
-
-	        if (!fastDeepEqual(currSelected.data(), _selected.data()) || currClassed !== _classed) {
-	            _selected.call(reset);
-	            _classed = currClassed;
-	            _selected = currSelected.call(calcAnimationParams);
-	        }
-
-	        var didCallNextRun = false;
-
-	        _selected
-	            .transition()
-	            .duration(duration)
-	            .call(setAnimationParams, fromTo)
-	            .on('end', function() {
-	                // `end` event is called for each selected element, but we want
-	                // it to run only once
-	                if (!didCallNextRun) {
-	                    surface.call(run, toFrom);
-	                    didCallNextRun = true;
-	                }
-
-	                // if entity was deselected, remove breathe styling
-	                if (!select(this).classed('selected')) {
-	                    reset(select(this));
-	                }
-	            });
-	    }
-
-	    function behavior(surface) {
-	        _done = false;
-	        _timer = timer(function() {
-	            // wait for elements to actually become selected
-	            if (surface.selectAll(selector).empty()) {
-	                return false;
-	            }
-
-	            surface.call(run, 'from');
-	            _timer.stop();
-	            return true;
-	        }, 20);
-	    }
-
-	    behavior.restartIfNeeded = function(surface) {
-	        if (_selected.empty()) {
-	            surface.call(run, 'from');
-	            if (_timer) {
-	                _timer.stop();
-	            }
-	        }
-	    };
-
-	    behavior.off = function() {
-	        _done = true;
-	        if (_timer) {
-	            _timer.stop();
-	        }
-	        _selected
-	            .interrupt()
-	            .call(reset);
-	    };
-
-
-	    return behavior;
-	}
-
-	/* Creates a keybinding behavior for an operation */
-	function behaviorOperation(context) {
-	    var _operation;
-
-	    function keypress() {
-	        // prevent operations during low zoom selection
-	        if (!context.map().withinEditableZoom()) return;
-
-	        event.preventDefault();
-	        var disabled = _operation.disabled();
-
-	        if (disabled) {
-	            context.ui().flash
-	                .duration(4000)
-	                .iconName('#iD-operation-' + _operation.id)
-	                .iconClass('operation disabled')
-	                .text(_operation.tooltip)();
-
-	        } else {
-	            context.ui().flash
-	                .duration(2000)
-	                .iconName('#iD-operation-' + _operation.id)
-	                .iconClass('operation')
-	                .text(_operation.annotation() || _operation.title)();
-
-	            if (_operation.point) _operation.point(null);
-	            _operation();
-	        }
-	    }
-
-
-	    function behavior() {
-	        if (_operation && _operation.available()) {
-	            context.keybinding()
-	                .on(_operation.keys, keypress);
-	        }
-
-	        return behavior;
-	    }
-
-
-	    behavior.off = function() {
-	        context.keybinding()
-	            .off(_operation.keys);
-	    };
-
-
-	    behavior.which = function (_) {
-	        if (!arguments.length) return _operation;
-	        _operation = _;
-	        return behavior;
-	    };
-
-
-	    return behavior;
-	}
-
-	function operationCircularize(context, selectedIDs) {
-	    var _extent;
-	    var _actions = selectedIDs.map(getAction).filter(Boolean);
-	    var _amount = _actions.length === 1 ? 'single' : 'multiple';
-	    var _coords = utilGetAllNodes(selectedIDs, context.graph())
-	        .map(function(n) { return n.loc; });
-
-	    function getAction(entityID) {
-
-	        var entity = context.entity(entityID);
-
-	        if (entity.type !== 'way' || new Set(entity.nodes).size <= 1) return null;
-
-	        if (!_extent) {
-	            _extent =  entity.extent(context.graph());
-	        } else {
-	            _extent = _extent.extend(entity.extent(context.graph()));
-	        }
-
-	        return actionCircularize(entityID, context.projection);
-	    }
-
-	    var operation = function() {
-	        if (!_actions.length) return;
-
-	        var combinedAction = function(graph, t) {
-	            _actions.forEach(function(action) {
-	                if (!action.disabled(graph)) {
-	                    graph = action(graph, t);
-	                }
-	            });
-	            return graph;
-	        };
-	        combinedAction.transitionable = true;
-
-	        context.perform(combinedAction, operation.annotation());
-
-	        window.setTimeout(function() {
-	            context.validator().validate();
-	        }, 300);  // after any transition
-	    };
-
-
-	    operation.available = function() {
-	        return _actions.length && selectedIDs.length === _actions.length;
-	    };
-
-
-	    // don't cache this because the visible extent could change
-	    operation.disabled = function() {
-	        if (!_actions.length) return '';
-
-	        var actionDisableds = _actions.map(function(action) {
-	            return action.disabled(context.graph());
-	        }).filter(Boolean);
-
-	        if (actionDisableds.length === _actions.length) {
-	            // none of the features can be circularized
-
-	            if (new Set(actionDisableds).size > 1) {
-	                return 'multiple_blockers';
-	            }
-	            return actionDisableds[0];
-	        } else if (_extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        } else if (someMissing()) {
-	            return 'not_downloaded';
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        }
-
-	        return false;
-
-
-	        function someMissing() {
-	            if (context.inIntro()) return false;
-	            var osm = context.connection();
-	            if (osm) {
-	                var missing = _coords.filter(function(loc) { return !osm.isDataLoaded(loc); });
-	                if (missing.length) {
-	                    missing.forEach(function(loc) { context.loadTileAtLoc(loc); });
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.circularize.' + disable + '.' + _amount) :
-	            _t('operations.circularize.description.' + _amount);
-	    };
-
-
-	    operation.annotation = function() {
-	        return _t('operations.circularize.annotation.' + _amount);
-	    };
-
-
-	    operation.id = 'circularize';
-	    operation.keys = [_t('operations.circularize.key')];
-	    operation.title = _t('operations.circularize.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	// Translate a MacOS key command into the appropriate Windows/Linux equivalent.
-	// For example, ⌘Z -> Ctrl+Z
-	var uiCmd = function (code) {
-	    var detected = utilDetect();
-
-	    if (detected.os === 'mac') {
-	        return code;
-	    }
-
-	    if (detected.os === 'win') {
-	        if (code === '⌘⇧Z') return 'Ctrl+Y';
-	    }
-
-	    var result = '',
-	        replacements = {
-	            '⌘': 'Ctrl',
-	            '⇧': 'Shift',
-	            '⌥': 'Alt',
-	            '⌫': 'Backspace',
-	            '⌦': 'Delete'
-	        };
-
-	    for (var i = 0; i < code.length; i++) {
-	        if (code[i] in replacements) {
-	            result += replacements[code[i]] + (i < code.length - 1 ? '+' : '');
-	        } else {
-	            result += code[i];
-	        }
-	    }
-
-	    return result;
-	};
-
-
-	// return a display-focused string for a given keyboard code
-	uiCmd.display = function(code) {
-	    if (code.length !== 1) return code;
-
-	    var detected = utilDetect();
-	    var mac = (detected.os === 'mac');
-	    var replacements = {
-	        '⌘': mac ? '⌘ ' + _t('shortcuts.key.cmd')    : _t('shortcuts.key.ctrl'),
-	        '⇧': mac ? '⇧ ' + _t('shortcuts.key.shift')  : _t('shortcuts.key.shift'),
-	        '⌥': mac ? '⌥ ' + _t('shortcuts.key.option') : _t('shortcuts.key.alt'),
-	        '⌃': mac ? '⌃ ' + _t('shortcuts.key.ctrl')   : _t('shortcuts.key.ctrl'),
-	        '⌫': mac ? '⌫ ' + _t('shortcuts.key.delete') : _t('shortcuts.key.backspace'),
-	        '⌦': mac ? '⌦ ' + _t('shortcuts.key.del')    : _t('shortcuts.key.del'),
-	        '↖': mac ? '↖ ' + _t('shortcuts.key.pgup')   : _t('shortcuts.key.pgup'),
-	        '↘': mac ? '↘ ' + _t('shortcuts.key.pgdn')   : _t('shortcuts.key.pgdn'),
-	        '⇞': mac ? '⇞ ' + _t('shortcuts.key.home')   : _t('shortcuts.key.home'),
-	        '⇟': mac ? '⇟ ' + _t('shortcuts.key.end')    : _t('shortcuts.key.end'),
-	        '↵': mac ? '⏎ ' + _t('shortcuts.key.return') : _t('shortcuts.key.enter'),
-	        '⎋': mac ? '⎋ ' + _t('shortcuts.key.esc')    : _t('shortcuts.key.esc'),
-	        '☰': mac ? '☰ ' + _t('shortcuts.key.menu')  : _t('shortcuts.key.menu'),
-	    };
-
-	    return replacements[code] || code;
-	};
-
-	function operationDelete(context, selectedIDs) {
-	    var multi = (selectedIDs.length === 1 ? 'single' : 'multiple');
-	    var action = actionDeleteMultiple(selectedIDs);
-	    var nodes = utilGetAllNodes(selectedIDs, context.graph());
-	    var coords = nodes.map(function(n) { return n.loc; });
-	    var extent = utilTotalExtent(selectedIDs, context.graph());
-
-
-	    var operation = function() {
-	        var nextSelectedID;
-	        var nextSelectedLoc;
-
-	        if (selectedIDs.length === 1) {
-	            var id = selectedIDs[0];
-	            var entity = context.entity(id);
-	            var geometry = entity.geometry(context.graph());
-	            var parents = context.graph().parentWays(entity);
-	            var parent = parents[0];
-
-	            // Select the next closest node in the way.
-	            if (geometry === 'vertex') {
-	                var nodes = parent.nodes;
-	                var i = nodes.indexOf(id);
-
-	                if (i === 0) {
-	                    i++;
-	                } else if (i === nodes.length - 1) {
-	                    i--;
-	                } else {
-	                    var a = geoSphericalDistance(entity.loc, context.entity(nodes[i - 1]).loc);
-	                    var b = geoSphericalDistance(entity.loc, context.entity(nodes[i + 1]).loc);
-	                    i = a < b ? i - 1 : i + 1;
-	                }
-
-	                nextSelectedID = nodes[i];
-	                nextSelectedLoc = context.entity(nextSelectedID).loc;
-	            }
-	        }
-
-	        context.perform(action, operation.annotation());
-	        context.validator().validate();
-
-	        if (nextSelectedID && nextSelectedLoc) {
-	            if (context.hasEntity(nextSelectedID)) {
-	                context.enter(modeSelect(context, [nextSelectedID]).follow(true));
-	            } else {
-	                context.map().centerEase(nextSelectedLoc);
-	                context.enter(modeBrowse(context));
-	            }
-	        } else {
-	            context.enter(modeBrowse(context));
-	        }
-
-	    };
-
-
-	    operation.available = function() {
-	        return true;
-	    };
-
-
-	    operation.disabled = function() {
-	        if (extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        } else if (someMissing()) {
-	            return 'not_downloaded';
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        } else if (selectedIDs.some(protectedMember)) {
-	            return 'part_of_relation';
-	        } else if (selectedIDs.some(incompleteRelation)) {
-	            return 'incomplete_relation';
-	        } else if (selectedIDs.some(hasWikidataTag)) {
-	            return 'has_wikidata_tag';
-	        }
-
-	        return false;
-
-
-	        function someMissing() {
-	            if (context.inIntro()) return false;
-	            var osm = context.connection();
-	            if (osm) {
-	                var missing = coords.filter(function(loc) { return !osm.isDataLoaded(loc); });
-	                if (missing.length) {
-	                    missing.forEach(function(loc) { context.loadTileAtLoc(loc); });
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-
-	        function hasWikidataTag(id) {
-	            var entity = context.entity(id);
-	            return entity.tags.wikidata && entity.tags.wikidata.trim().length > 0;
-	        }
-
-	        function incompleteRelation(id) {
-	            var entity = context.entity(id);
-	            return entity.type === 'relation' && !entity.isComplete(context.graph());
-	        }
-
-	        function protectedMember(id) {
-	            var entity = context.entity(id);
-	            if (entity.type !== 'way') return false;
-
-	            var parents = context.graph().parentRelations(entity);
-	            for (var i = 0; i < parents.length; i++) {
-	                var parent = parents[i];
-	                var type = parent.tags.type;
-	                var role = parent.memberById(id).role || 'outer';
-	                if (type === 'route' || type === 'boundary' || (type === 'multipolygon' && role === 'outer')) {
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.delete.' + disable + '.' + multi) :
-	            _t('operations.delete.description' + '.' + multi);
-	    };
-
-
-	    operation.annotation = function() {
-	        return selectedIDs.length === 1 ?
-	            _t('operations.delete.annotation.' + context.graph().geometry(selectedIDs[0])) :
-	            _t('operations.delete.annotation.multiple', { n: selectedIDs.length });
-	    };
-
-
-	    operation.id = 'delete';
-	    operation.keys = [uiCmd('⌘⌫'), uiCmd('⌘⌦'), uiCmd('⌦')];
-	    operation.title = _t('operations.delete.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	function operationOrthogonalize(context, selectedIDs) {
-	    var _extent;
-	    var _type;
-	    var _actions = selectedIDs.map(chooseAction).filter(Boolean);
-	    var _amount = _actions.length === 1 ? 'single' : 'multiple';
-	    var _coords = utilGetAllNodes(selectedIDs, context.graph())
-	        .map(function(n) { return n.loc; });
-
-
-	    function chooseAction(entityID) {
-
-	        var entity = context.entity(entityID);
-	        var geometry = entity.geometry(context.graph());
-
-	        if (!_extent) {
-	            _extent =  entity.extent(context.graph());
-	        } else {
-	            _extent = _extent.extend(entity.extent(context.graph()));
-	        }
-
-	        // square a line/area
-	        if (entity.type === 'way' && new Set(entity.nodes).size > 2 ) {
-	            if (_type && _type !== 'feature') return null;
-	            _type = 'feature';
-	            return actionOrthogonalize(entityID, context.projection);
-
-	        // square a single vertex
-	        } else if (geometry === 'vertex') {
-	            if (_type && _type !== 'corner') return null;
-	            _type = 'corner';
-	            var graph = context.graph();
-	            var parents = graph.parentWays(entity);
-	            if (parents.length === 1) {
-	                var way = parents[0];
-	                if (way.nodes.indexOf(entityID) !== -1) {
-	                    return actionOrthogonalize(way.id, context.projection, entityID);
-	                }
-	            }
-	        }
-
-	        return null;
-	    }
-
-
-	    var operation = function() {
-	        if (!_actions.length) return;
-
-	        var combinedAction = function(graph, t) {
-	            _actions.forEach(function(action) {
-	                if (!action.disabled(graph)) {
-	                    graph = action(graph, t);
-	                }
-	            });
-	            return graph;
-	        };
-	        combinedAction.transitionable = true;
-
-	        context.perform(combinedAction, operation.annotation());
-
-	        window.setTimeout(function() {
-	            context.validator().validate();
-	        }, 300);  // after any transition
-	    };
-
-
-	    operation.available = function() {
-	        return _actions.length && selectedIDs.length === _actions.length;
-	    };
-
-
-	    // don't cache this because the visible extent could change
-	    operation.disabled = function() {
-	        if (!_actions.length) return '';
-
-	        var actionDisableds = _actions.map(function(action) {
-	            return action.disabled(context.graph());
-	        }).filter(Boolean);
-
-	        if (actionDisableds.length === _actions.length) {
-	            // none of the features can be squared
-
-	            if (new Set(actionDisableds).size > 1) {
-	                return 'multiple_blockers';
-	            }
-	            return actionDisableds[0];
-	        } else if (_extent &&
-	                   _extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        } else if (someMissing()) {
-	            return 'not_downloaded';
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        }
-
-	        return false;
-
-
-	        function someMissing() {
-	            if (context.inIntro()) return false;
-	            var osm = context.connection();
-	            if (osm) {
-	                var missing = _coords.filter(function(loc) { return !osm.isDataLoaded(loc); });
-	                if (missing.length) {
-	                    missing.forEach(function(loc) { context.loadTileAtLoc(loc); });
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.orthogonalize.' + disable + '.' + _amount) :
-	            _t('operations.orthogonalize.description.' + _type + '.' + _amount);
-	    };
-
-
-	    operation.annotation = function() {
-	        return _t('operations.orthogonalize.annotation.' + _type + '.' + _amount);
-	    };
-
-
-	    operation.id = 'orthogonalize';
-	    operation.keys = [_t('operations.orthogonalize.key')];
-	    operation.title = _t('operations.orthogonalize.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	function operationReflectShort(context, selectedIDs) {
-	    return operationReflect(context, selectedIDs, 'short');
-	}
-
-
-	function operationReflectLong(context, selectedIDs) {
-	    return operationReflect(context, selectedIDs, 'long');
-	}
-
-
-	function operationReflect(context, selectedIDs, axis) {
-	    axis = axis || 'long';
-	    var multi = (selectedIDs.length === 1 ? 'single' : 'multiple');
-	    var nodes = utilGetAllNodes(selectedIDs, context.graph());
-	    var coords = nodes.map(function(n) { return n.loc; });
-	    var extent = utilTotalExtent(selectedIDs, context.graph());
-
-
-	    var operation = function() {
-	        var action = actionReflect(selectedIDs, context.projection)
-	            .useLongAxis(Boolean(axis === 'long'));
-
-	        context.perform(action, operation.annotation());
-
-	        window.setTimeout(function() {
-	            context.validator().validate();
-	        }, 300);  // after any transition
-	    };
-
-
-	    operation.available = function() {
-	        return nodes.length >= 3;
-	    };
-
-
-	    // don't cache this because the visible extent could change
-	    operation.disabled = function() {
-	        if (extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        } else if (someMissing()) {
-	            return 'not_downloaded';
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        } else if (selectedIDs.some(incompleteRelation)) {
-	            return 'incomplete_relation';
-	        }
-
-	        return false;
-
-
-	        function someMissing() {
-	            if (context.inIntro()) return false;
-	            var osm = context.connection();
-	            if (osm) {
-	                var missing = coords.filter(function(loc) { return !osm.isDataLoaded(loc); });
-	                if (missing.length) {
-	                    missing.forEach(function(loc) { context.loadTileAtLoc(loc); });
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-
-	        function incompleteRelation(id) {
-	            var entity = context.entity(id);
-	            return entity.type === 'relation' && !entity.isComplete(context.graph());
-	        }
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.reflect.' + disable + '.' + multi) :
-	            _t('operations.reflect.description.' + axis + '.' + multi);
-	    };
-
-
-	    operation.annotation = function() {
-	        return _t('operations.reflect.annotation.' + axis + '.' + multi);
-	    };
-
-
-	    operation.id = 'reflect-' + axis;
-	    operation.keys = [_t('operations.reflect.key.' + axis)];
-	    operation.title = _t('operations.reflect.title.' + axis);
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	function operationMove(context, selectedIDs) {
-	    var multi = (selectedIDs.length === 1 ? 'single' : 'multiple');
-	    var nodes = utilGetAllNodes(selectedIDs, context.graph());
-	    var coords = nodes.map(function(n) { return n.loc; });
-	    var extent = utilTotalExtent(selectedIDs, context.graph());
-
-
-	    var operation = function() {
-	        context.enter(modeMove(context, selectedIDs));
-	    };
-
-
-	    operation.available = function() {
-	        return selectedIDs.length > 1 ||
-	            context.entity(selectedIDs[0]).type !== 'node';
-	    };
-
-
-	    operation.disabled = function() {
-	        if (extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        } else if (someMissing()) {
-	            return 'not_downloaded';
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        } else if (selectedIDs.some(incompleteRelation)) {
-	            return 'incomplete_relation';
-	        }
-
-	        return false;
-
-
-	        function someMissing() {
-	            if (context.inIntro()) return false;
-	            var osm = context.connection();
-	            if (osm) {
-	                var missing = coords.filter(function(loc) { return !osm.isDataLoaded(loc); });
-	                if (missing.length) {
-	                    missing.forEach(function(loc) { context.loadTileAtLoc(loc); });
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-
-	        function incompleteRelation(id) {
-	            var entity = context.entity(id);
-	            return entity.type === 'relation' && !entity.isComplete(context.graph());
-	        }
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.move.' + disable + '.' + multi) :
-	            _t('operations.move.description.' + multi);
-	    };
-
-
-	    operation.annotation = function() {
-	        return selectedIDs.length === 1 ?
-	            _t('operations.move.annotation.' + context.graph().geometry(selectedIDs[0])) :
-	            _t('operations.move.annotation.multiple');
-	    };
-
-
-	    operation.id = 'move';
-	    operation.keys = [_t('operations.move.key')];
-	    operation.title = _t('operations.move.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    operation.mouseOnly = true;
-
-	    return operation;
-	}
-
-	function modeRotate(context, entityIDs) {
-	    var mode = {
-	        id: 'rotate',
-	        button: 'browse'
-	    };
-
-	    var keybinding = utilKeybinding('rotate');
-	    var behaviors = [
-	        behaviorEdit(context),
-	        operationCircularize(context, entityIDs).behavior,
-	        operationDelete(context, entityIDs).behavior,
-	        operationMove(context, entityIDs).behavior,
-	        operationOrthogonalize(context, entityIDs).behavior,
-	        operationReflectLong(context, entityIDs).behavior,
-	        operationReflectShort(context, entityIDs).behavior
-	    ];
-	    var annotation = entityIDs.length === 1 ?
-	        _t('operations.rotate.annotation.' + context.graph().geometry(entityIDs[0])) :
-	        _t('operations.rotate.annotation.multiple');
-
-	    var _prevGraph;
-	    var _prevAngle;
-	    var _prevTransform;
-	    var _pivot;
-
-
-	    function doRotate() {
-	        var fn;
-	        if (context.graph() !== _prevGraph) {
-	            fn = context.perform;
-	        } else {
-	            fn = context.replace;
-	        }
-
-	        // projection changed, recalculate _pivot
-	        var projection = context.projection;
-	        var currTransform = projection.transform();
-	        if (!_prevTransform ||
-	            currTransform.k !== _prevTransform.k ||
-	            currTransform.x !== _prevTransform.x ||
-	            currTransform.y !== _prevTransform.y) {
-
-	            var nodes = utilGetAllNodes(entityIDs, context.graph());
-	            var points = nodes.map(function(n) { return projection(n.loc); });
-	            _pivot = getPivot(points);
-	            _prevAngle = undefined;
-	        }
-
-
-	        var currMouse = context.map().mouse();
-	        var currAngle = Math.atan2(currMouse[1] - _pivot[1], currMouse[0] - _pivot[0]);
-
-	        if (typeof _prevAngle === 'undefined') _prevAngle = currAngle;
-	        var delta = currAngle - _prevAngle;
-
-	        fn(actionRotate(entityIDs, _pivot, delta, projection));
-
-	        _prevTransform = currTransform;
-	        _prevAngle = currAngle;
-	        _prevGraph = context.graph();
-	    }
-
-	    function getPivot(points) {
-	        var _pivot;
-	        if (points.length === 1) {
-	            _pivot = points[0];
-	        } else if (points.length === 2) {
-	            _pivot = geoVecInterp(points[0], points[1], 0.5);
-	        } else {
-	            var polygonHull = d3_polygonHull(points);
-	            if (polygonHull.length === 2) {
-	                _pivot = geoVecInterp(points[0], points[1], 0.5);
-	            } else {
-	                _pivot = d3_polygonCentroid(d3_polygonHull(points));
-	            }
-	        }
-	        return _pivot;
-	    }
-
-
-	    function finish() {
-	        event.stopPropagation();
-	        context.replace(actionNoop(), annotation);
-	        context.enter(modeSelect(context, entityIDs));
-	    }
-
-
-	    function cancel() {
-	        context.pop();
-	        context.enter(modeSelect(context, entityIDs));
-	    }
-
-
-	    function undone() {
-	        context.enter(modeBrowse(context));
-	    }
-
-
-	    mode.enter = function() {
-	        context.features().forceVisible(entityIDs);
-
-	        behaviors.forEach(context.install);
-
-	        context.surface()
-	            .on('mousemove.rotate', doRotate)
-	            .on('click.rotate', finish);
-
-	        context.history()
-	            .on('undone.rotate', undone);
-
-	        keybinding
-	            .on('⎋', cancel)
-	            .on('↩', finish);
-
-	        select(document)
-	            .call(keybinding);
-	    };
-
-
-	    mode.exit = function() {
-	        behaviors.forEach(context.uninstall);
-
-	        context.surface()
-	            .on('mousemove.rotate', null)
-	            .on('click.rotate', null);
-
-	        context.history()
-	            .on('undone.rotate', null);
-
-	        select(document)
-	            .call(keybinding.unbind);
-
-	        context.features().forceVisible([]);
-	    };
-
-
-	    mode.selectedIDs = function() {
-	        if (!arguments.length) return entityIDs;
-	        // no assign
-	        return mode;
-	    };
-
-
-	    return mode;
-	}
-
-	function operationRotate(context, selectedIDs) {
-	    var multi = (selectedIDs.length === 1 ? 'single' : 'multiple');
-	    var nodes = utilGetAllNodes(selectedIDs, context.graph());
-	    var coords = nodes.map(function(n) { return n.loc; });
-	    var extent = utilTotalExtent(selectedIDs, context.graph());
-
-
-	    var operation = function() {
-	        context.enter(modeRotate(context, selectedIDs));
-	    };
-
-
-	    operation.available = function() {
-	        return nodes.length >= 2;
-	    };
-
-
-	    operation.disabled = function() {
-
-	        if (extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        } else if (someMissing()) {
-	            return 'not_downloaded';
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        } else if (selectedIDs.some(incompleteRelation)) {
-	            return 'incomplete_relation';
-	        }
-
-	        return false;
-
-
-	        function someMissing() {
-	            if (context.inIntro()) return false;
-	            var osm = context.connection();
-	            if (osm) {
-	                var missing = coords.filter(function(loc) { return !osm.isDataLoaded(loc); });
-	                if (missing.length) {
-	                    missing.forEach(function(loc) { context.loadTileAtLoc(loc); });
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-
-	        function incompleteRelation(id) {
-	            var entity = context.entity(id);
-	            return entity.type === 'relation' && !entity.isComplete(context.graph());
-	        }
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.rotate.' + disable + '.' + multi) :
-	            _t('operations.rotate.description.' + multi);
-	    };
-
-
-	    operation.annotation = function() {
-	        return selectedIDs.length === 1 ?
-	            _t('operations.rotate.annotation.' + context.graph().geometry(selectedIDs[0])) :
-	            _t('operations.rotate.annotation.multiple');
-	    };
-
-
-	    operation.id = 'rotate';
-	    operation.keys = [_t('operations.rotate.key')];
-	    operation.title = _t('operations.rotate.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    operation.mouseOnly = true;
-
-	    return operation;
-	}
-
-	function modeMove(context, entityIDs, baseGraph) {
-	    var mode = {
-	        id: 'move',
-	        button: 'browse'
-	    };
-
-	    var keybinding = utilKeybinding('move');
-	    var behaviors = [
-	        behaviorEdit(context),
-	        operationCircularize(context, entityIDs).behavior,
-	        operationDelete(context, entityIDs).behavior,
-	        operationOrthogonalize(context, entityIDs).behavior,
-	        operationReflectLong(context, entityIDs).behavior,
-	        operationReflectShort(context, entityIDs).behavior,
-	        operationRotate(context, entityIDs).behavior
-	    ];
-	    var annotation = entityIDs.length === 1 ?
-	        _t('operations.move.annotation.' + context.graph().geometry(entityIDs[0])) :
-	        _t('operations.move.annotation.multiple');
-
-	    var _prevGraph;
-	    var _cache;
-	    var _origin;
-	    var _nudgeInterval;
-
-
-	    function doMove(nudge) {
-	        nudge = nudge || [0, 0];
-
-	        var fn;
-	        if (_prevGraph !== context.graph()) {
-	            _cache = {};
-	            _origin = context.map().mouseCoordinates();
-	            fn = context.perform;
-	        } else {
-	            fn = context.overwrite;
-	        }
-
-	        var currMouse = context.map().mouse();
-	        var origMouse = context.projection(_origin);
-	        var delta = geoVecSubtract(geoVecSubtract(currMouse, origMouse), nudge);
-
-	        fn(actionMove(entityIDs, delta, context.projection, _cache));
-	        _prevGraph = context.graph();
-	    }
-
-
-	    function startNudge(nudge) {
-	        if (_nudgeInterval) window.clearInterval(_nudgeInterval);
-	        _nudgeInterval = window.setInterval(function() {
-	            context.map().pan(nudge);
-	            doMove(nudge);
-	        }, 50);
-	    }
-
-
-	    function stopNudge() {
-	        if (_nudgeInterval) {
-	            window.clearInterval(_nudgeInterval);
-	            _nudgeInterval = null;
-	        }
-	    }
-
-
-	    function move() {
-	        doMove();
-	        var nudge = geoViewportEdge(context.map().mouse(), context.map().dimensions());
-	        if (nudge) {
-	            startNudge(nudge);
-	        } else {
-	            stopNudge();
-	        }
-	    }
-
-
-	    function finish() {
-	        event.stopPropagation();
-	        context.replace(actionNoop(), annotation);
-	        context.enter(modeSelect(context, entityIDs));
-	        stopNudge();
-	    }
-
-
-	    function cancel() {
-	        if (baseGraph) {
-	            while (context.graph() !== baseGraph) context.pop();
-	            context.enter(modeBrowse(context));
-	        } else {
-	            context.pop();
-	            context.enter(modeSelect(context, entityIDs));
-	        }
-	        stopNudge();
-	    }
-
-
-	    function undone() {
-	        context.enter(modeBrowse(context));
-	    }
-
-
-	    mode.enter = function() {
-	        _origin = context.map().mouseCoordinates();
-	        _prevGraph = null;
-	        _cache = {};
-
-	        context.features().forceVisible(entityIDs);
-
-	        behaviors.forEach(context.install);
-
-	        context.surface()
-	            .on('mousemove.move', move)
-	            .on('click.move', finish);
-
-	        context.history()
-	            .on('undone.move', undone);
-
-	        keybinding
-	            .on('⎋', cancel)
-	            .on('↩', finish);
-
-	        select(document)
-	            .call(keybinding);
-	    };
-
-
-	    mode.exit = function() {
-	        stopNudge();
-
-	        behaviors.forEach(function(behavior) {
-	            context.uninstall(behavior);
-	        });
-
-	        context.surface()
-	            .on('mousemove.move', null)
-	            .on('click.move', null);
-
-	        context.history()
-	            .on('undone.move', null);
-
-	        select(document)
-	            .call(keybinding.unbind);
-
-	        context.features().forceVisible([]);
-	    };
-
-
-	    mode.selectedIDs = function() {
-	        if (!arguments.length) return entityIDs;
-	        // no assign
-	        return mode;
-	    };
-
-
-	    return mode;
-	}
-
-	// see also `operationPaste`
-	function behaviorPaste(context) {
-
-	    function doPaste() {
-	        // prevent paste during low zoom selection
-	        if (!context.map().withinEditableZoom()) return;
-
-	        event.preventDefault();
-
-	        var baseGraph = context.graph();
-	        var mouse = context.map().mouse();
-	        var projection = context.projection;
-	        var viewport = geoExtent(projection.clipExtent()).polygon();
-
-	        if (!geoPointInPolygon(mouse, viewport)) return;
-
-	        var oldIDs = context.copyIDs();
-	        if (!oldIDs.length) return;
-
-	        var extent = geoExtent();
-	        var oldGraph = context.copyGraph();
-	        var newIDs = [];
-
-	        var action = actionCopyEntities(oldIDs, oldGraph);
-	        context.perform(action);
-
-	        var copies = action.copies();
-	        var originals = new Set();
-	        Object.values(copies).forEach(function(entity) { originals.add(entity.id); });
-
-	        for (var id in copies) {
-	            var oldEntity = oldGraph.entity(id);
-	            var newEntity = copies[id];
-
-	            extent._extend(oldEntity.extent(oldGraph));
-
-	            // Exclude child nodes from newIDs if their parent way was also copied.
-	            var parents = context.graph().parentWays(newEntity);
-	            var parentCopied = parents.some(function(parent) {
-	                return originals.has(parent.id);
-	            });
-
-	            if (!parentCopied) {
-	                newIDs.push(newEntity.id);
-	            }
-	        }
-
-	        // Put pasted objects where mouse pointer is..
-	        var copyPoint = (context.copyLonLat() && projection(context.copyLonLat())) || projection(extent.center());
-	        var delta = geoVecSubtract(mouse, copyPoint);
-
-	        context.perform(actionMove(newIDs, delta, projection));
-	        context.enter(modeMove(context, newIDs, baseGraph));
-	    }
-
-
-	    function behavior() {
-	        context.keybinding().on(uiCmd('⌘V'), doPaste);
-	        return behavior;
-	    }
-
-
-	    behavior.off = function() {
-	        context.keybinding().off(uiCmd('⌘V'));
-	    };
-
-
-	    return behavior;
-	}
-
-	/*
-	    `behaviorDrag` is like `d3_behavior.drag`, with the following differences:
-
-	    * The `origin` function is expected to return an [x, y] tuple rather than an
-	      {x, y} object.
-	    * The events are `start`, `move`, and `end`.
-	      (https://github.com/mbostock/d3/issues/563)
-	    * The `start` event is not dispatched until the first cursor movement occurs.
-	      (https://github.com/mbostock/d3/pull/368)
-	    * The `move` event has a `point` and `delta` [x, y] tuple properties rather
-	      than `x`, `y`, `dx`, and `dy` properties.
-	    * The `end` event is not dispatched if no movement occurs.
-	    * An `off` function is available that unbinds the drag's internal event handlers.
-	 */
-
-	function behaviorDrag() {
-	    var dispatch$1 = dispatch('start', 'move', 'end');
-
-	    // see also behaviorSelect
-	    var _tolerancePx = 1; // keep this low to facilitate pixel-perfect micromapping
-	    var _penTolerancePx = 4; // styluses can be touchy so require greater movement - #1981
-
-	    var _origin = null;
-	    var _selector = '';
-	    var _event;
-	    var _target;
-	    var _surface;
-	    var _pointerId;
-
-	    // use pointer events on supported platforms; fallback to mouse events
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-	    var d3_event_userSelectProperty = utilPrefixCSSProperty('UserSelect');
-	    var d3_event_userSelectSuppress = function() {
-	            var selection$1 = selection();
-	            var select = selection$1.style(d3_event_userSelectProperty);
-	            selection$1.style(d3_event_userSelectProperty, 'none');
-	            return function() {
-	                selection$1.style(d3_event_userSelectProperty, select);
-	            };
-	        };
-
-
-	    function eventOf(thiz, argumentz) {
-	        return function(e1) {
-	            e1.target = behavior;
-	            customEvent(e1, dispatch$1.apply, dispatch$1, [e1.type, thiz, argumentz]);
-	        };
-	    }
-
-
-	    function pointerdown() {
-
-	        if (_pointerId) return;
-
-	        _pointerId = event.pointerId || 'mouse';
-
-	        _target = this;
-	        _event = eventOf(_target, arguments);
-
-	        // only force reflow once per drag
-	        var pointerLocGetter = utilFastMouse(_surface || _target.parentNode);
-
-	        var offset;
-	        var startOrigin = pointerLocGetter(event);
-	        var started = false;
-	        var selectEnable = d3_event_userSelectSuppress();
-
-	        select(window)
-	            .on(_pointerPrefix + 'move.drag', pointermove)
-	            .on(_pointerPrefix + 'up.drag pointercancel.drag', pointerup, true);
-
-	        if (_origin) {
-	            offset = _origin.apply(_target, arguments);
-	            offset = [offset[0] - startOrigin[0], offset[1] - startOrigin[1]];
-	        } else {
-	            offset = [0, 0];
-	        }
-
-	        event.stopPropagation();
-
-
-	        function pointermove() {
-	            if (_pointerId !== (event.pointerId || 'mouse')) return;
-
-	            var p = pointerLocGetter(event);
-
-	            if (!started) {
-	                var dist = geoVecLength(startOrigin,  p);
-	                var tolerance = event.pointerType === 'pen' ? _penTolerancePx : _tolerancePx;
-	                // don't start until the drag has actually moved somewhat
-	                if (dist < tolerance) return;
-
-	                started = true;
-	                _event({ type: 'start' });
-
-	            // Don't send a `move` event in the same cycle as `start` since dragging
-	            // a midpoint will convert the target to a node.
-	            } else {
-
-	                startOrigin = p;
-	                event.stopPropagation();
-	                event.preventDefault();
-
-	                var dx = p[0] - startOrigin[0];
-	                var dy = p[1] - startOrigin[1];
-	                _event({
-	                    type: 'move',
-	                    point: [p[0] + offset[0],  p[1] + offset[1]],
-	                    delta: [dx, dy]
-	                });
-	            }
-	        }
-
-
-	        function pointerup() {
-	            if (_pointerId !== (event.pointerId || 'mouse')) return;
-
-	            _pointerId = null;
-
-	            if (started) {
-	                _event({ type: 'end' });
-
-	                event.preventDefault();
-	            }
-
-	            select(window)
-	                .on(_pointerPrefix + 'move.drag', null)
-	                .on(_pointerPrefix + 'up.drag pointercancel.drag', null);
-
-	            selectEnable();
-	        }
-	    }
-
-
-	    function behavior(selection) {
-	        _pointerId = null;
-	        var matchesSelector = utilPrefixDOMProperty('matchesSelector');
-	        var delegate = pointerdown;
-
-	        if (_selector) {
-	            delegate = function() {
-	                var root = this;
-	                var target = event.target;
-	                for (; target && target !== root; target = target.parentNode) {
-	                    var datum = target.__data__;
-
-	                    var entity = datum instanceof osmNote ? datum
-	                        : datum && datum.properties && datum.properties.entity;
-
-	                    if (entity && target[matchesSelector](_selector)) {
-	                        return pointerdown.call(target, entity);
-	                    }
-	                }
-	            };
-	        }
-
-	        selection
-	            .on(_pointerPrefix + 'down.drag' + _selector, delegate);
-	    }
-
-
-	    behavior.off = function(selection) {
-	        selection
-	            .on(_pointerPrefix + 'down.drag' + _selector, null);
-	    };
-
-
-	    behavior.selector = function(_) {
-	        if (!arguments.length) return _selector;
-	        _selector = _;
-	        return behavior;
-	    };
-
-
-	    behavior.origin = function(_) {
-	        if (!arguments.length) return _origin;
-	        _origin = _;
-	        return behavior;
-	    };
-
-
-	    behavior.cancel = function() {
-	        select(window)
-	            .on(_pointerPrefix + 'move.drag', null)
-	            .on(_pointerPrefix + 'up.drag pointercancel.drag', null);
-	        return behavior;
-	    };
-
-
-	    behavior.target = function() {
-	        if (!arguments.length) return _target;
-	        _target = arguments[0];
-	        _event = eventOf(_target, Array.prototype.slice.call(arguments, 1));
-	        return behavior;
-	    };
-
-
-	    behavior.surface = function() {
-	        if (!arguments.length) return _surface;
-	        _surface = arguments[0];
-	        return behavior;
-	    };
-
-
-	    return utilRebind(behavior, dispatch$1, 'on');
-	}
-
-	function modeDragNode(context) {
-	    var mode = {
-	        id: 'drag-node',
-	        button: 'browse'
-	    };
-	    var hover = behaviorHover(context).altDisables(true)
-	        .on('hover', context.ui().sidebar.hover);
-	    var edit = behaviorEdit(context);
-
-	    var _nudgeInterval;
-	    var _restoreSelectedIDs = [];
-	    var _wasMidpoint = false;
-	    var _isCancelled = false;
-	    var _activeEntity;
-	    var _startLoc;
-	    var _lastLoc;
-
-
-	    function startNudge(entity, nudge) {
-	        if (_nudgeInterval) window.clearInterval(_nudgeInterval);
-	        _nudgeInterval = window.setInterval(function() {
-	            context.map().pan(nudge);
-	            doMove(entity, nudge);
-	        }, 50);
-	    }
-
-
-	    function stopNudge() {
-	        if (_nudgeInterval) {
-	            window.clearInterval(_nudgeInterval);
-	            _nudgeInterval = null;
-	        }
-	    }
-
-
-	    function moveAnnotation(entity) {
-	        return _t('operations.move.annotation.' + entity.geometry(context.graph()));
-	    }
-
-
-	    function connectAnnotation(nodeEntity, targetEntity) {
-	        var nodeGeometry = nodeEntity.geometry(context.graph());
-	        var targetGeometry = targetEntity.geometry(context.graph());
-	        if (nodeGeometry === 'vertex' && targetGeometry === 'vertex') {
-	            var nodeParentWayIDs = context.graph().parentWays(nodeEntity);
-	            var targetParentWayIDs = context.graph().parentWays(targetEntity);
-	            var sharedParentWays = utilArrayIntersection(nodeParentWayIDs, targetParentWayIDs);
-	            // if both vertices are part of the same way
-	            if (sharedParentWays.length !== 0) {
-	                // if the nodes are next to each other, they are merged
-	                if (sharedParentWays[0].areAdjacent(nodeEntity.id, targetEntity.id)) {
-	                    return _t('operations.connect.annotation.from_vertex.to_adjacent_vertex');
-	                }
-	                return _t('operations.connect.annotation.from_vertex.to_sibling_vertex');
-	            }
-	        }
-	        return _t('operations.connect.annotation.from_' + nodeGeometry + '.to_' + targetGeometry);
-	    }
-
-
-	    function shouldSnapToNode(target) {
-	        if (!_activeEntity) return false;
-	        return _activeEntity.geometry(context.graph()) !== 'vertex' ||
-	            (target.geometry(context.graph()) === 'vertex' || _mainPresetIndex.allowsVertex(target, context.graph()));
-	    }
-
-
-	    function origin(entity) {
-	        return context.projection(entity.loc);
-	    }
-
-
-	    function keydown() {
-	        if (event.keyCode === utilKeybinding.modifierCodes.alt) {
-	            if (context.surface().classed('nope')) {
-	                context.surface()
-	                    .classed('nope-suppressed', true);
-	            }
-	            context.surface()
-	                .classed('nope', false)
-	                .classed('nope-disabled', true);
-	        }
-	    }
-
-
-	    function keyup() {
-	        if (event.keyCode === utilKeybinding.modifierCodes.alt) {
-	            if (context.surface().classed('nope-suppressed')) {
-	                context.surface()
-	                    .classed('nope', true);
-	            }
-	            context.surface()
-	                .classed('nope-suppressed', false)
-	                .classed('nope-disabled', false);
-	        }
-	    }
-
-
-	    function start(entity) {
-	        _wasMidpoint = entity.type === 'midpoint';
-	        var hasHidden = context.features().hasHiddenConnections(entity, context.graph());
-	        _isCancelled = !context.editable() || event.sourceEvent.shiftKey || hasHidden;
-
-
-	        if (_isCancelled) {
-	            if (hasHidden) {
-	                context.ui().flash
-	                    .duration(4000)
-	                    .text(_t('modes.drag_node.connected_to_hidden'))();
-	            }
-	            return drag.cancel();
-	        }
-
-	        if (_wasMidpoint) {
-	            var midpoint = entity;
-	            entity = osmNode();
-	            context.perform(actionAddMidpoint(midpoint, entity));
-	            entity = context.entity(entity.id);   // get post-action entity
-
-	            var vertex = context.surface().selectAll('.' + entity.id);
-	            drag.target(vertex.node(), entity);
-
-	        } else {
-	            context.perform(actionNoop());
-	        }
-
-	        _activeEntity = entity;
-	        _startLoc = entity.loc;
-
-	        hover.ignoreVertex(entity.geometry(context.graph()) === 'vertex');
-
-	        context.surface().selectAll('.' + _activeEntity.id)
-	            .classed('active', true);
-
-	        context.enter(mode);
-	    }
-
-
-	    // related code
-	    // - `behavior/draw.js` `datum()`
-	    function datum() {
-	        var event$1 = event && event.sourceEvent;
-	        if (!event$1 || event$1.altKey) {
-	            return {};
-	        } else {
-	            // When dragging, snap only to touch targets..
-	            // (this excludes area fills and active drawing elements)
-	            var d = event$1.target.__data__;
-	            return (d && d.properties && d.properties.target) ? d : {};
-	        }
-	    }
-
-
-	    function doMove(entity, nudge) {
-	        nudge = nudge || [0, 0];
-
-	        var currPoint = (event && event.point) || context.projection(_lastLoc);
-	        var currMouse = geoVecSubtract(currPoint, nudge);
-	        var loc = context.projection.invert(currMouse);
-
-	        if (!_nudgeInterval) {   // If not nudging at the edge of the viewport, try to snap..
-	            // related code
-	            // - `mode/drag_node.js`     `doMove()`
-	            // - `behavior/draw.js`      `click()`
-	            // - `behavior/draw_way.js`  `move()`
-	            var d = datum();
-	            var target = d && d.properties && d.properties.entity;
-	            var targetLoc = target && target.loc;
-	            var targetNodes = d && d.properties && d.properties.nodes;
-	            var edge;
-
-	            if (targetLoc) {   // snap to node/vertex - a point target with `.loc`
-	                if (shouldSnapToNode(target)) {
-	                    loc = targetLoc;
-	                }
-
-	            } else if (targetNodes) {   // snap to way - a line target with `.nodes`
-	                edge = geoChooseEdge(targetNodes, context.map().mouse(), context.projection, end.id);
-	                if (edge) {
-	                    loc = edge.loc;
-	                }
-	            }
-	        }
-
-	        context.replace(
-	            actionMoveNode(entity.id, loc)
-	        );
-
-	        // Below here: validations
-	        var isInvalid = false;
-
-	        // Check if this connection to `target` could cause relations to break..
-	        if (target) {
-	            isInvalid = hasRelationConflict(entity, target, edge, context.graph());
-	        }
-
-	        // Check if this drag causes the geometry to break..
-	        if (!isInvalid) {
-	            isInvalid = hasInvalidGeometry(entity, context.graph());
-	        }
-
-
-	        var nope = context.surface().classed('nope');
-	        if (isInvalid === 'relation' || isInvalid === 'restriction') {
-	            if (!nope) {   // about to nope - show hint
-	                context.ui().flash
-	                    .duration(4000)
-	                    .text(_t('operations.connect.' + isInvalid,
-	                        { relation: _mainPresetIndex.item('type/restriction').name() }
-	                    ))();
-	            }
-	        } else if (isInvalid) {
-	            var errorID = isInvalid === 'line' ? 'lines' : 'areas';
-	            context.ui().flash
-	                .duration(3000)
-	                .text(_t('self_intersection.error.' + errorID))();
-	        } else {
-	            if (nope) {   // about to un-nope, remove hint
-	                context.ui().flash
-	                    .duration(1)
-	                    .text('')();
-	            }
-	        }
-
-
-	        var nopeDisabled = context.surface().classed('nope-disabled');
-	        if (nopeDisabled) {
-	            context.surface()
-	                .classed('nope', false)
-	                .classed('nope-suppressed', isInvalid);
-	        } else {
-	            context.surface()
-	                .classed('nope', isInvalid)
-	                .classed('nope-suppressed', false);
-	        }
-
-	        _lastLoc = loc;
-	    }
-
-
-	    // Uses `actionConnect.disabled()` to know whether this connection is ok..
-	    function hasRelationConflict(entity, target, edge, graph) {
-	        var testGraph = graph.update();  // copy
-
-	        // if snapping to way - add midpoint there and consider that the target..
-	        if (edge) {
-	            var midpoint = osmNode();
-	            var action = actionAddMidpoint({
-	                loc: edge.loc,
-	                edge: [target.nodes[edge.index - 1], target.nodes[edge.index]]
-	            }, midpoint);
-
-	            testGraph = action(testGraph);
-	            target = midpoint;
-	        }
-
-	        // can we connect to it?
-	        var ids = [entity.id, target.id];
-	        return actionConnect(ids).disabled(testGraph);
-	    }
-
-
-	    function hasInvalidGeometry(entity, graph) {
-	        var parents = graph.parentWays(entity);
-	        var i, j, k;
-
-	        for (i = 0; i < parents.length; i++) {
-	            var parent = parents[i];
-	            var nodes = [];
-	            var activeIndex = null;    // which multipolygon ring contains node being dragged
-
-	            // test any parent multipolygons for valid geometry
-	            var relations = graph.parentRelations(parent);
-	            for (j = 0; j < relations.length; j++) {
-	                if (!relations[j].isMultipolygon()) continue;
-
-	                var rings = osmJoinWays(relations[j].members, graph);
-
-	                // find active ring and test it for self intersections
-	                for (k = 0; k < rings.length; k++) {
-	                    nodes = rings[k].nodes;
-	                    if (nodes.find(function(n) { return n.id === entity.id; })) {
-	                        activeIndex = k;
-	                        if (geoHasSelfIntersections(nodes, entity.id)) {
-	                            return 'multipolygonMember';
-	                        }
-	                    }
-	                    rings[k].coords = nodes.map(function(n) { return n.loc; });
-	                }
-
-	                // test active ring for intersections with other rings in the multipolygon
-	                for (k = 0; k < rings.length; k++) {
-	                    if (k === activeIndex) continue;
-
-	                    // make sure active ring doesnt cross passive rings
-	                    if (geoHasLineIntersections(rings[activeIndex].nodes, rings[k].nodes, entity.id)) {
-	                        return 'multipolygonRing';
-	                    }
-	                }
-	            }
-
-
-	            // If we still haven't tested this node's parent way for self-intersections.
-	            // (because it's not a member of a multipolygon), test it now.
-	            if (activeIndex === null) {
-	                nodes = parent.nodes.map(function(nodeID) { return graph.entity(nodeID); });
-	                if (nodes.length && geoHasSelfIntersections(nodes, entity.id)) {
-	                    return parent.geometry(graph);
-	                }
-	            }
-
-	        }
-
-	        return false;
-	    }
-
-
-	    function move(entity) {
-	        if (_isCancelled) return;
-	        event.sourceEvent.stopPropagation();
-
-	        context.surface().classed('nope-disabled', event.sourceEvent.altKey);
-
-	        _lastLoc = context.projection.invert(event.point);
-
-	        doMove(entity);
-	        var nudge = geoViewportEdge(event.point, context.map().dimensions());
-	        if (nudge) {
-	            startNudge(entity, nudge);
-	        } else {
-	            stopNudge();
-	        }
-	    }
-
-	    function end(entity) {
-	        if (_isCancelled) return;
-
-	        var wasPoint = entity.geometry(context.graph()) === 'point';
-
-	        var d = datum();
-	        var nope = (d && d.properties && d.properties.nope) || context.surface().classed('nope');
-	        var target = d && d.properties && d.properties.entity;   // entity to snap to
-
-	        if (nope) {   // bounce back
-	            context.perform(
-	                _actionBounceBack(entity.id, _startLoc)
-	            );
-
-	        } else if (target && target.type === 'way') {
-	            var choice = geoChooseEdge(context.graph().childNodes(target), context.map().mouse(), context.projection, entity.id);
-	            context.replace(
-	                actionAddMidpoint({
-	                    loc: choice.loc,
-	                    edge: [target.nodes[choice.index - 1], target.nodes[choice.index]]
-	                }, entity),
-	                connectAnnotation(entity, target)
-	            );
-
-	        } else if (target && target.type === 'node' && shouldSnapToNode(target)) {
-	            context.replace(
-	                actionConnect([target.id, entity.id]),
-	                connectAnnotation(entity, target)
-	            );
-
-	        } else if (_wasMidpoint) {
-	            context.replace(
-	                actionNoop(),
-	                _t('operations.add.annotation.vertex')
-	            );
-
-	        } else {
-	            context.replace(
-	                actionNoop(),
-	                moveAnnotation(entity)
-	            );
-	        }
-
-	        if (wasPoint) {
-	            context.enter(modeSelect(context, [entity.id]));
-
-	        } else {
-	            var reselection = _restoreSelectedIDs.filter(function(id) {
-	                return context.graph().hasEntity(id);
-	            });
-
-	            if (reselection.length) {
-	                context.enter(modeSelect(context, reselection));
-	            } else {
-	                context.enter(modeBrowse(context));
-	            }
-	        }
-	    }
-
-
-	    function _actionBounceBack(nodeID, toLoc) {
-	        var moveNode = actionMoveNode(nodeID, toLoc);
-	        var action = function(graph, t) {
-	            // last time through, pop off the bounceback perform.
-	            // it will then overwrite the initial perform with a moveNode that does nothing
-	            if (t === 1) context.pop();
-	            return moveNode(graph, t);
-	        };
-	        action.transitionable = true;
-	        return action;
-	    }
-
-
-	    function cancel() {
-	        drag.cancel();
-	        context.enter(modeBrowse(context));
-	    }
-
-
-	    var drag = behaviorDrag()
-	        .selector('.layer-touch.points .target')
-	        .surface(context.container().select('.main-map').node())
-	        .origin(origin)
-	        .on('start', start)
-	        .on('move', move)
-	        .on('end', end);
-
-
-	    mode.enter = function() {
-	        context.install(hover);
-	        context.install(edit);
-
-	        select(window)
-	            .on('keydown.dragNode', keydown)
-	            .on('keyup.dragNode', keyup);
-
-	        context.history()
-	            .on('undone.drag-node', cancel);
-	    };
-
-
-	    mode.exit = function() {
-	        context.ui().sidebar.hover.cancel();
-	        context.uninstall(hover);
-	        context.uninstall(edit);
-
-	        select(window)
-	            .on('keydown.dragNode', null)
-	            .on('keyup.dragNode', null);
-
-	        context.history()
-	            .on('undone.drag-node', null);
-
-	        _activeEntity = null;
-
-	        context.surface()
-	            .classed('nope', false)
-	            .classed('nope-suppressed', false)
-	            .classed('nope-disabled', false)
-	            .selectAll('.active')
-	            .classed('active', false);
-
-	        stopNudge();
-	    };
-
-
-	    mode.selectedIDs = function() {
-	        if (!arguments.length) return _activeEntity ? [_activeEntity.id] : [];
-	        // no assign
-	        return mode;
-	    };
-
-
-	    mode.activeID = function() {
-	        if (!arguments.length) return _activeEntity && _activeEntity.id;
-	        // no assign
-	        return mode;
-	    };
-
-
-	    mode.restoreSelectedIDs = function(_) {
-	        if (!arguments.length) return _restoreSelectedIDs;
-	        _restoreSelectedIDs = _;
-	        return mode;
-	    };
-
-
-	    mode.behavior = drag;
-
-
-	    return mode;
-	}
-
-	function quickselect(arr, k, left, right, compare) {
-	    quickselectStep(arr, k, left || 0, right || (arr.length - 1), compare || defaultCompare);
-	}
-
-	function quickselectStep(arr, k, left, right, compare) {
-
-	    while (right > left) {
-	        if (right - left > 600) {
-	            var n = right - left + 1;
-	            var m = k - left + 1;
-	            var z = Math.log(n);
-	            var s = 0.5 * Math.exp(2 * z / 3);
-	            var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1);
-	            var newLeft = Math.max(left, Math.floor(k - m * s / n + sd));
-	            var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd));
-	            quickselectStep(arr, k, newLeft, newRight, compare);
-	        }
-
-	        var t = arr[k];
-	        var i = left;
-	        var j = right;
-
-	        swap(arr, left, k);
-	        if (compare(arr[right], t) > 0) swap(arr, left, right);
-
-	        while (i < j) {
-	            swap(arr, i, j);
-	            i++;
-	            j--;
-	            while (compare(arr[i], t) < 0) i++;
-	            while (compare(arr[j], t) > 0) j--;
-	        }
-
-	        if (compare(arr[left], t) === 0) swap(arr, left, j);
-	        else {
-	            j++;
-	            swap(arr, j, right);
-	        }
-
-	        if (j <= k) left = j + 1;
-	        if (k <= j) right = j - 1;
-	    }
-	}
-
-	function swap(arr, i, j) {
-	    var tmp = arr[i];
-	    arr[i] = arr[j];
-	    arr[j] = tmp;
-	}
-
-	function defaultCompare(a, b) {
-	    return a < b ? -1 : a > b ? 1 : 0;
-	}
-
-	class RBush {
-	    constructor(maxEntries = 9) {
-	        // max entries in a node is 9 by default; min node fill is 40% for best performance
-	        this._maxEntries = Math.max(4, maxEntries);
-	        this._minEntries = Math.max(2, Math.ceil(this._maxEntries * 0.4));
-	        this.clear();
-	    }
-
-	    all() {
-	        return this._all(this.data, []);
-	    }
-
-	    search(bbox) {
-	        let node = this.data;
-	        const result = [];
-
-	        if (!intersects(bbox, node)) return result;
-
-	        const toBBox = this.toBBox;
-	        const nodesToSearch = [];
-
-	        while (node) {
-	            for (let i = 0; i < node.children.length; i++) {
-	                const child = node.children[i];
-	                const childBBox = node.leaf ? toBBox(child) : child;
-
-	                if (intersects(bbox, childBBox)) {
-	                    if (node.leaf) result.push(child);
-	                    else if (contains$1(bbox, childBBox)) this._all(child, result);
-	                    else nodesToSearch.push(child);
-	                }
-	            }
-	            node = nodesToSearch.pop();
-	        }
-
-	        return result;
-	    }
-
-	    collides(bbox) {
-	        let node = this.data;
-
-	        if (!intersects(bbox, node)) return false;
-
-	        const nodesToSearch = [];
-	        while (node) {
-	            for (let i = 0; i < node.children.length; i++) {
-	                const child = node.children[i];
-	                const childBBox = node.leaf ? this.toBBox(child) : child;
-
-	                if (intersects(bbox, childBBox)) {
-	                    if (node.leaf || contains$1(bbox, childBBox)) return true;
-	                    nodesToSearch.push(child);
-	                }
-	            }
-	            node = nodesToSearch.pop();
-	        }
-
-	        return false;
-	    }
-
-	    load(data) {
-	        if (!(data && data.length)) return this;
-
-	        if (data.length < this._minEntries) {
-	            for (let i = 0; i < data.length; i++) {
-	                this.insert(data[i]);
-	            }
-	            return this;
-	        }
-
-	        // recursively build the tree with the given data from scratch using OMT algorithm
-	        let node = this._build(data.slice(), 0, data.length - 1, 0);
-
-	        if (!this.data.children.length) {
-	            // save as is if tree is empty
-	            this.data = node;
-
-	        } else if (this.data.height === node.height) {
-	            // split root if trees have the same height
-	            this._splitRoot(this.data, node);
-
-	        } else {
-	            if (this.data.height < node.height) {
-	                // swap trees if inserted one is bigger
-	                const tmpNode = this.data;
-	                this.data = node;
-	                node = tmpNode;
-	            }
-
-	            // insert the small tree into the large tree at appropriate level
-	            this._insert(node, this.data.height - node.height - 1, true);
-	        }
-
-	        return this;
-	    }
-
-	    insert(item) {
-	        if (item) this._insert(item, this.data.height - 1);
-	        return this;
-	    }
-
-	    clear() {
-	        this.data = createNode([]);
-	        return this;
-	    }
-
-	    remove(item, equalsFn) {
-	        if (!item) return this;
-
-	        let node = this.data;
-	        const bbox = this.toBBox(item);
-	        const path = [];
-	        const indexes = [];
-	        let i, parent, goingUp;
-
-	        // depth-first iterative tree traversal
-	        while (node || path.length) {
-
-	            if (!node) { // go up
-	                node = path.pop();
-	                parent = path[path.length - 1];
-	                i = indexes.pop();
-	                goingUp = true;
-	            }
-
-	            if (node.leaf) { // check current node
-	                const index = findItem(item, node.children, equalsFn);
-
-	                if (index !== -1) {
-	                    // item found, remove the item and condense tree upwards
-	                    node.children.splice(index, 1);
-	                    path.push(node);
-	                    this._condense(path);
-	                    return this;
-	                }
-	            }
-
-	            if (!goingUp && !node.leaf && contains$1(node, bbox)) { // go down
-	                path.push(node);
-	                indexes.push(i);
-	                i = 0;
-	                parent = node;
-	                node = node.children[0];
-
-	            } else if (parent) { // go right
-	                i++;
-	                node = parent.children[i];
-	                goingUp = false;
-
-	            } else node = null; // nothing found
-	        }
-
-	        return this;
-	    }
-
-	    toBBox(item) { return item; }
-
-	    compareMinX(a, b) { return a.minX - b.minX; }
-	    compareMinY(a, b) { return a.minY - b.minY; }
-
-	    toJSON() { return this.data; }
-
-	    fromJSON(data) {
-	        this.data = data;
-	        return this;
-	    }
-
-	    _all(node, result) {
-	        const nodesToSearch = [];
-	        while (node) {
-	            if (node.leaf) result.push(...node.children);
-	            else nodesToSearch.push(...node.children);
-
-	            node = nodesToSearch.pop();
-	        }
-	        return result;
-	    }
-
-	    _build(items, left, right, height) {
-
-	        const N = right - left + 1;
-	        let M = this._maxEntries;
-	        let node;
-
-	        if (N <= M) {
-	            // reached leaf level; return leaf
-	            node = createNode(items.slice(left, right + 1));
-	            calcBBox(node, this.toBBox);
-	            return node;
-	        }
-
-	        if (!height) {
-	            // target height of the bulk-loaded tree
-	            height = Math.ceil(Math.log(N) / Math.log(M));
-
-	            // target number of root entries to maximize storage utilization
-	            M = Math.ceil(N / Math.pow(M, height - 1));
-	        }
-
-	        node = createNode([]);
-	        node.leaf = false;
-	        node.height = height;
-
-	        // split the items into M mostly square tiles
-
-	        const N2 = Math.ceil(N / M);
-	        const N1 = N2 * Math.ceil(Math.sqrt(M));
-
-	        multiSelect(items, left, right, N1, this.compareMinX);
-
-	        for (let i = left; i <= right; i += N1) {
-
-	            const right2 = Math.min(i + N1 - 1, right);
-
-	            multiSelect(items, i, right2, N2, this.compareMinY);
-
-	            for (let j = i; j <= right2; j += N2) {
-
-	                const right3 = Math.min(j + N2 - 1, right2);
-
-	                // pack each entry recursively
-	                node.children.push(this._build(items, j, right3, height - 1));
-	            }
-	        }
-
-	        calcBBox(node, this.toBBox);
-
-	        return node;
-	    }
-
-	    _chooseSubtree(bbox, node, level, path) {
-	        while (true) {
-	            path.push(node);
-
-	            if (node.leaf || path.length - 1 === level) break;
-
-	            let minArea = Infinity;
-	            let minEnlargement = Infinity;
-	            let targetNode;
-
-	            for (let i = 0; i < node.children.length; i++) {
-	                const child = node.children[i];
-	                const area = bboxArea(child);
-	                const enlargement = enlargedArea(bbox, child) - area;
-
-	                // choose entry with the least area enlargement
-	                if (enlargement < minEnlargement) {
-	                    minEnlargement = enlargement;
-	                    minArea = area < minArea ? area : minArea;
-	                    targetNode = child;
-
-	                } else if (enlargement === minEnlargement) {
-	                    // otherwise choose one with the smallest area
-	                    if (area < minArea) {
-	                        minArea = area;
-	                        targetNode = child;
-	                    }
-	                }
-	            }
-
-	            node = targetNode || node.children[0];
-	        }
-
-	        return node;
-	    }
-
-	    _insert(item, level, isNode) {
-	        const bbox = isNode ? item : this.toBBox(item);
-	        const insertPath = [];
-
-	        // find the best node for accommodating the item, saving all nodes along the path too
-	        const node = this._chooseSubtree(bbox, this.data, level, insertPath);
-
-	        // put the item into the node
-	        node.children.push(item);
-	        extend$1(node, bbox);
-
-	        // split on node overflow; propagate upwards if necessary
-	        while (level >= 0) {
-	            if (insertPath[level].children.length > this._maxEntries) {
-	                this._split(insertPath, level);
-	                level--;
-	            } else break;
-	        }
-
-	        // adjust bboxes along the insertion path
-	        this._adjustParentBBoxes(bbox, insertPath, level);
-	    }
-
-	    // split overflowed node into two
-	    _split(insertPath, level) {
-	        const node = insertPath[level];
-	        const M = node.children.length;
-	        const m = this._minEntries;
-
-	        this._chooseSplitAxis(node, m, M);
-
-	        const splitIndex = this._chooseSplitIndex(node, m, M);
-
-	        const newNode = createNode(node.children.splice(splitIndex, node.children.length - splitIndex));
-	        newNode.height = node.height;
-	        newNode.leaf = node.leaf;
-
-	        calcBBox(node, this.toBBox);
-	        calcBBox(newNode, this.toBBox);
-
-	        if (level) insertPath[level - 1].children.push(newNode);
-	        else this._splitRoot(node, newNode);
-	    }
-
-	    _splitRoot(node, newNode) {
-	        // split root node
-	        this.data = createNode([node, newNode]);
-	        this.data.height = node.height + 1;
-	        this.data.leaf = false;
-	        calcBBox(this.data, this.toBBox);
-	    }
-
-	    _chooseSplitIndex(node, m, M) {
-	        let index;
-	        let minOverlap = Infinity;
-	        let minArea = Infinity;
-
-	        for (let i = m; i <= M - m; i++) {
-	            const bbox1 = distBBox(node, 0, i, this.toBBox);
-	            const bbox2 = distBBox(node, i, M, this.toBBox);
-
-	            const overlap = intersectionArea(bbox1, bbox2);
-	            const area = bboxArea(bbox1) + bboxArea(bbox2);
-
-	            // choose distribution with minimum overlap
-	            if (overlap < minOverlap) {
-	                minOverlap = overlap;
-	                index = i;
-
-	                minArea = area < minArea ? area : minArea;
-
-	            } else if (overlap === minOverlap) {
-	                // otherwise choose distribution with minimum area
-	                if (area < minArea) {
-	                    minArea = area;
-	                    index = i;
-	                }
-	            }
-	        }
-
-	        return index || M - m;
-	    }
-
-	    // sorts node children by the best axis for split
-	    _chooseSplitAxis(node, m, M) {
-	        const compareMinX = node.leaf ? this.compareMinX : compareNodeMinX;
-	        const compareMinY = node.leaf ? this.compareMinY : compareNodeMinY;
-	        const xMargin = this._allDistMargin(node, m, M, compareMinX);
-	        const yMargin = this._allDistMargin(node, m, M, compareMinY);
-
-	        // if total distributions margin value is minimal for x, sort by minX,
-	        // otherwise it's already sorted by minY
-	        if (xMargin < yMargin) node.children.sort(compareMinX);
-	    }
-
-	    // total margin of all possible split distributions where each node is at least m full
-	    _allDistMargin(node, m, M, compare) {
-	        node.children.sort(compare);
-
-	        const toBBox = this.toBBox;
-	        const leftBBox = distBBox(node, 0, m, toBBox);
-	        const rightBBox = distBBox(node, M - m, M, toBBox);
-	        let margin = bboxMargin(leftBBox) + bboxMargin(rightBBox);
-
-	        for (let i = m; i < M - m; i++) {
-	            const child = node.children[i];
-	            extend$1(leftBBox, node.leaf ? toBBox(child) : child);
-	            margin += bboxMargin(leftBBox);
-	        }
-
-	        for (let i = M - m - 1; i >= m; i--) {
-	            const child = node.children[i];
-	            extend$1(rightBBox, node.leaf ? toBBox(child) : child);
-	            margin += bboxMargin(rightBBox);
-	        }
-
-	        return margin;
-	    }
-
-	    _adjustParentBBoxes(bbox, path, level) {
-	        // adjust bboxes along the given tree path
-	        for (let i = level; i >= 0; i--) {
-	            extend$1(path[i], bbox);
-	        }
-	    }
-
-	    _condense(path) {
-	        // go through the path, removing empty nodes and updating bboxes
-	        for (let i = path.length - 1, siblings; i >= 0; i--) {
-	            if (path[i].children.length === 0) {
-	                if (i > 0) {
-	                    siblings = path[i - 1].children;
-	                    siblings.splice(siblings.indexOf(path[i]), 1);
-
-	                } else this.clear();
-
-	            } else calcBBox(path[i], this.toBBox);
-	        }
-	    }
-	}
-
-	function findItem(item, items, equalsFn) {
-	    if (!equalsFn) return items.indexOf(item);
-
-	    for (let i = 0; i < items.length; i++) {
-	        if (equalsFn(item, items[i])) return i;
-	    }
-	    return -1;
-	}
-
-	// calculate node's bbox from bboxes of its children
-	function calcBBox(node, toBBox) {
-	    distBBox(node, 0, node.children.length, toBBox, node);
-	}
-
-	// min bounding rectangle of node children from k to p-1
-	function distBBox(node, k, p, toBBox, destNode) {
-	    if (!destNode) destNode = createNode(null);
-	    destNode.minX = Infinity;
-	    destNode.minY = Infinity;
-	    destNode.maxX = -Infinity;
-	    destNode.maxY = -Infinity;
-
-	    for (let i = k; i < p; i++) {
-	        const child = node.children[i];
-	        extend$1(destNode, node.leaf ? toBBox(child) : child);
-	    }
-
-	    return destNode;
-	}
-
-	function extend$1(a, b) {
-	    a.minX = Math.min(a.minX, b.minX);
-	    a.minY = Math.min(a.minY, b.minY);
-	    a.maxX = Math.max(a.maxX, b.maxX);
-	    a.maxY = Math.max(a.maxY, b.maxY);
-	    return a;
-	}
-
-	function compareNodeMinX(a, b) { return a.minX - b.minX; }
-	function compareNodeMinY(a, b) { return a.minY - b.minY; }
-
-	function bboxArea(a)   { return (a.maxX - a.minX) * (a.maxY - a.minY); }
-	function bboxMargin(a) { return (a.maxX - a.minX) + (a.maxY - a.minY); }
-
-	function enlargedArea(a, b) {
-	    return (Math.max(b.maxX, a.maxX) - Math.min(b.minX, a.minX)) *
-	           (Math.max(b.maxY, a.maxY) - Math.min(b.minY, a.minY));
-	}
-
-	function intersectionArea(a, b) {
-	    const minX = Math.max(a.minX, b.minX);
-	    const minY = Math.max(a.minY, b.minY);
-	    const maxX = Math.min(a.maxX, b.maxX);
-	    const maxY = Math.min(a.maxY, b.maxY);
-
-	    return Math.max(0, maxX - minX) *
-	           Math.max(0, maxY - minY);
-	}
-
-	function contains$1(a, b) {
-	    return a.minX <= b.minX &&
-	           a.minY <= b.minY &&
-	           b.maxX <= a.maxX &&
-	           b.maxY <= a.maxY;
-	}
-
-	function intersects(a, b) {
-	    return b.minX <= a.maxX &&
-	           b.minY <= a.maxY &&
-	           b.maxX >= a.minX &&
-	           b.maxY >= a.minY;
-	}
-
-	function createNode(children) {
-	    return {
-	        children,
-	        height: 1,
-	        leaf: true,
-	        minX: Infinity,
-	        minY: Infinity,
-	        maxX: -Infinity,
-	        maxY: -Infinity
-	    };
-	}
-
-	// sort an array so that items come in groups of n unsorted items, with groups sorted between each other;
-	// combines selection algorithm with binary divide & conquer approach
-
-	function multiSelect(arr, left, right, n, compare) {
-	    const stack = [left, right];
-
-	    while (stack.length) {
-	        right = stack.pop();
-	        left = stack.pop();
-
-	        if (right - left <= n) continue;
-
-	        const mid = left + Math.ceil((right - left) / n / 2) * n;
-	        quickselect(arr, mid, left, right, compare);
-
-	        stack.push(left, mid, mid, right);
-	    }
-	}
-
-	const tiler = utilTiler();
-	const dispatch$1 = dispatch('loaded');
-	const _tileZoom = 14;
-	const _krUrlRoot = 'https://www.keepright.at';
-	let _krData = { errorTypes: {}, localizeStrings: {} };
-
-	// This gets reassigned if reset
-	let _cache;
-
-	const _krRuleset = [
-	  // no 20 - multiple node on same spot - these are mostly boundaries overlapping roads
-	  30, 40, 50, 60, 70, 90, 100, 110, 120, 130, 150, 160, 170, 180,
-	  190, 191, 192, 193, 194, 195, 196, 197, 198,
-	  200, 201, 202, 203, 204, 205, 206, 207, 208, 210, 220,
-	  230, 231, 232, 270, 280, 281, 282, 283, 284, 285,
-	  290, 291, 292, 293, 294, 295, 296, 297, 298, 300, 310, 311, 312, 313,
-	  320, 350, 360, 370, 380, 390, 400, 401, 402, 410, 411, 412, 413
-	];
-
-
-	function abortRequest(controller) {
-	  if (controller) {
-	    controller.abort();
-	  }
-	}
-
-	function abortUnwantedRequests(cache, tiles) {
-	  Object.keys(cache.inflightTile).forEach(k => {
-	    const wanted = tiles.find(tile => k === tile.id);
-	    if (!wanted) {
-	      abortRequest(cache.inflightTile[k]);
-	      delete cache.inflightTile[k];
-	    }
-	  });
-	}
-
-
-	function encodeIssueRtree(d) {
-	  return { minX: d.loc[0], minY: d.loc[1], maxX: d.loc[0], maxY: d.loc[1], data: d };
-	}
-
-
-	// Replace or remove QAItem from rtree
-	function updateRtree(item, replace) {
-	  _cache.rtree.remove(item, (a, b) => a.data.id === b.data.id);
-
-	  if (replace) {
-	    _cache.rtree.insert(item);
-	  }
-	}
-
-
-	function tokenReplacements(d) {
-	  if (!(d instanceof QAItem)) return;
-
-	  const htmlRegex = new RegExp(/<\/[a-z][\s\S]*>/);
-	  const replacements = {};
-
-	  const issueTemplate = _krData.errorTypes[d.whichType];
-	  if (!issueTemplate) {
-	    /* eslint-disable no-console */
-	    console.log('No Template: ', d.whichType);
-	    console.log('  ', d.description);
-	    /* eslint-enable no-console */
-	    return;
-	  }
-
-	  // some descriptions are just fixed text
-	  if (!issueTemplate.regex) return;
-
-	  // regex pattern should match description with variable details captured
-	  const errorRegex = new RegExp(issueTemplate.regex, 'i');
-	  const errorMatch = errorRegex.exec(d.description);
-	  if (!errorMatch) {
-	    /* eslint-disable no-console */
-	    console.log('Unmatched: ', d.whichType);
-	    console.log('  ', d.description);
-	    console.log('  ', errorRegex);
-	    /* eslint-enable no-console */
-	    return;
-	  }
-
-	  for (let i = 1; i < errorMatch.length; i++) {   // skip first
-	    let capture = errorMatch[i];
-	    let idType;
-
-	    idType = 'IDs' in issueTemplate ? issueTemplate.IDs[i-1] : '';
-	    if (idType && capture) {   // link IDs if present in the capture
-	      capture = parseError(capture, idType);
-	    } else if (htmlRegex.test(capture)) {   // escape any html in non-IDs
-	      capture = '\\' +  capture + '\\';
-	    } else {
-	      const compare = capture.toLowerCase();
-	      if (_krData.localizeStrings[compare]) {   // some replacement strings can be localized
-	        capture = _t('QA.keepRight.error_parts.' + _krData.localizeStrings[compare]);
-	      }
-	    }
-
-	    replacements['var' + i] = capture;
-	  }
-
-	  return replacements;
-	}
-
-
-	function parseError(capture, idType) {
-	  const compare = capture.toLowerCase();
-	  if (_krData.localizeStrings[compare]) {   // some replacement strings can be localized
-	    capture = _t('QA.keepRight.error_parts.' + _krData.localizeStrings[compare]);
-	  }
-
-	  switch (idType) {
-	    // link a string like "this node"
-	    case 'this':
-	      capture = linkErrorObject(capture);
-	      break;
-
-	    case 'url':
-	      capture = linkURL(capture);
-	      break;
-
-	    // link an entity ID
-	    case 'n':
-	    case 'w':
-	    case 'r':
-	      capture = linkEntity(idType + capture);
-	      break;
-
-	    // some errors have more complex ID lists/variance
-	    case '20':
-	      capture = parse20(capture);
-	      break;
-	    case '211':
-	      capture = parse211(capture);
-	      break;
-	    case '231':
-	      capture = parse231(capture);
-	      break;
-	    case '294':
-	      capture = parse294(capture);
-	      break;
-	    case '370':
-	      capture = parse370(capture);
-	      break;
-	  }
-
-	  return capture;
-
-
-	  function linkErrorObject(d) {
-	    return `<a class="error_object_link">${d}</a>`;
-	  }
-
-	  function linkEntity(d) {
-	    return `<a class="error_entity_link">${d}</a>`;
-	  }
-
-	  function linkURL(d) {
-	    return `<a class="kr_external_link" target="_blank" href="${d}">${d}</a>`;
-	  }
-
-	  // arbitrary node list of form: #ID, #ID, #ID...
-	  function parse211(capture) {
-	    let newList = [];
-	    const items = capture.split(', ');
-
-	    items.forEach(item => {
-	      // ID has # at the front
-	      let id = linkEntity('n' + item.slice(1));
-	      newList.push(id);
-	    });
-
-	    return newList.join(', ');
-	  }
-
-	  // arbitrary way list of form: #ID(layer),#ID(layer),#ID(layer)...
-	  function parse231(capture) {
-	    let newList = [];
-	    // unfortunately 'layer' can itself contain commas, so we split on '),'
-	    const items = capture.split('),');
-
-	    items.forEach(item => {
-	      const match = item.match(/\#(\d+)\((.+)\)?/);
-	      if (match !== null && match.length > 2) {
-	        newList.push(linkEntity('w' + match[1]) + ' ' +
-	          _t('QA.keepRight.errorTypes.231.layer', { layer: match[2] })
-	        );
-	      }
-	    });
-
-	    return newList.join(', ');
-	  }
-
-	  // arbitrary node/relation list of form: from node #ID,to relation #ID,to node #ID...
-	  function parse294(capture) {
-	    let newList = [];
-	    const items = capture.split(',');
-
-	    items.forEach(item => {
-	      // item of form "from/to node/relation #ID"
-	      item = item.split(' ');
-
-	      // to/from role is more clear in quotes
-	      const role = `"${item[0]}"`;
-
-	      // first letter of node/relation provides the type
-	      const idType = item[1].slice(0,1);
-
-	      // ID has # at the front
-	      let id = item[2].slice(1);
-	      id = linkEntity(idType + id);
-
-	      newList.push(`${role} ${item[1]} ${id}`);
-	    });
-
-	    return newList.join(', ');
-	  }
-
-	  // may or may not include the string "(including the name 'name')"
-	  function parse370(capture) {
-	    if (!capture) return '';
-
-	    const match = capture.match(/\(including the name (\'.+\')\)/);
-	    if (match && match.length) {
-	      return _t('QA.keepRight.errorTypes.370.including_the_name', { name: match[1] });
-	    }
-	    return '';
-	  }
-
-	  // arbitrary node list of form: #ID,#ID,#ID...
-	  function parse20(capture) {
-	    let newList = [];
-	    const items = capture.split(',');
-
-	    items.forEach(item => {
-	      // ID has # at the front
-	      const id = linkEntity('n' + item.slice(1));
-	      newList.push(id);
-	    });
-
-	    return newList.join(', ');
-	  }
-	}
-
-
-	var serviceKeepRight = {
-	  title: 'keepRight',
-
-	  init() {
-	    _mainFileFetcher.get('keepRight')
-	      .then(d => _krData = d);
-
-	    if (!_cache) {
-	      this.reset();
-	    }
-
-	    this.event = utilRebind(this, dispatch$1, 'on');
-	  },
-
-	  reset() {
-	    if (_cache) {
-	      Object.values(_cache.inflightTile).forEach(abortRequest);
-	    }
-
-	    _cache = {
-	      data: {},
-	      loadedTile: {},
-	      inflightTile: {},
-	      inflightPost: {},
-	      closed: {},
-	      rtree: new RBush()
-	    };
-	  },
-
-
-	  // KeepRight API:  http://osm.mueschelsoft.de/keepright/interfacing.php
-	  loadIssues(projection) {
-	    const options = {
-	      format: 'geojson',
-	      ch: _krRuleset
-	    };
-
-	    // determine the needed tiles to cover the view
-	    const tiles = tiler
-	      .zoomExtent([_tileZoom, _tileZoom])
-	      .getTiles(projection);
-
-	    // abort inflight requests that are no longer needed
-	    abortUnwantedRequests(_cache, tiles);
-
-	    // issue new requests..
-	    tiles.forEach(tile => {
-	      if (_cache.loadedTile[tile.id] || _cache.inflightTile[tile.id]) return;
-
-	      const [ left, top, right, bottom ] = tile.extent.rectangle();
-	      const params = Object.assign({}, options, { left, bottom, right, top });
-	      const url = `${_krUrlRoot}/export.php?` + utilQsString(params);
-	      const controller = new AbortController();
-
-	      _cache.inflightTile[tile.id] = controller;
-
-	      d3_json(url, { signal: controller.signal })
-	        .then(data => {
-	          delete _cache.inflightTile[tile.id];
-	          _cache.loadedTile[tile.id] = true;
-	          if (!data || !data.features || !data.features.length) {
-	            throw new Error('No Data');
-	          }
-
-	          data.features.forEach(feature => {
-	            const {
-	              properties: {
-	                error_type: itemType,
-	                error_id: id,
-	                comment = null,
-	                object_id: objectId,
-	                object_type: objectType,
-	                schema,
-	                title
-	              }
-	            } = feature;
-	            let {
-	              geometry: { coordinates: loc },
-	              properties: { description = '' }
-	            } = feature;
-
-	            // if there is a parent, save its error type e.g.:
-	            //  Error 191 = "highway-highway"
-	            //  Error 190 = "intersections without junctions"  (parent)
-	            const issueTemplate = _krData.errorTypes[itemType];
-	            const parentIssueType = (Math.floor(itemType / 10) * 10).toString();
-
-	            // try to handle error type directly, fallback to parent error type.
-	            const whichType = issueTemplate ? itemType : parentIssueType;
-	            const whichTemplate = _krData.errorTypes[whichType];
-
-	            // Rewrite a few of the errors at this point..
-	            // This is done to make them easier to linkify and translate.
-	            switch (whichType) {
-	              case '170':
-	                description = `This feature has a FIXME tag: ${description}`;
-	                break;
-	              case '292':
-	              case '293':
-	                description = description.replace('A turn-', 'This turn-');
-	                break;
-	              case '294':
-	              case '295':
-	              case '296':
-	              case '297':
-	              case '298':
-	                description = `This turn-restriction~${description}`;
-	                break;
-	              case '300':
-	                description = 'This highway is missing a maxspeed tag';
-	                break;
-	              case '411':
-	              case '412':
-	              case '413':
-	                description = `This feature~${description}`;
-	                break;
-	            }
-
-	            // move markers slightly so it doesn't obscure the geometry,
-	            // then move markers away from other coincident markers
-	            let coincident = false;
-	            do {
-	              // first time, move marker up. after that, move marker right.
-	              let delta = coincident ? [0.00001, 0] : [0, 0.00001];
-	              loc = geoVecAdd(loc, delta);
-	              let bbox = geoExtent(loc).bbox();
-	              coincident = _cache.rtree.search(bbox).length;
-	            } while (coincident);
-
-	            let d = new QAItem(loc, this, itemType, id, {
-	              comment,
-	              description,
-	              whichType,
-	              parentIssueType,
-	              severity: whichTemplate.severity || 'error',
-	              objectId,
-	              objectType,
-	              schema,
-	              title
-	            });
-
-	            d.replacements = tokenReplacements(d);
-
-	            _cache.data[id] = d;
-	            _cache.rtree.insert(encodeIssueRtree(d));
-	          });
-
-	          dispatch$1.call('loaded');
-	        })
-	        .catch(() => {
-	          delete _cache.inflightTile[tile.id];
-	          _cache.loadedTile[tile.id] = true;
-	        });
-
-	    });
-	  },
-
-
-	  postUpdate(d, callback) {
-	    if (_cache.inflightPost[d.id]) {
-	      return callback({ message: 'Error update already inflight', status: -2 }, d);
-	    }
-
-	    const params = { schema: d.schema, id: d.id };
-
-	    if (d.newStatus) {
-	      params.st = d.newStatus;
-	    }
-	    if (d.newComment !== undefined) {
-	      params.co = d.newComment;
-	    }
-
-	    // NOTE: This throws a CORS err, but it seems successful.
-	    // We don't care too much about the response, so this is fine.
-	    const url = `${_krUrlRoot}/comment.php?` + utilQsString(params);
-	    const controller = new AbortController();
-
-	    _cache.inflightPost[d.id] = controller;
-
-	    // Since this is expected to throw an error just continue as if it worked
-	    // (worst case scenario the request truly fails and issue will show up if iD restarts)
-	    d3_json(url, { signal: controller.signal })
-	      .finally(() => {
-	        delete _cache.inflightPost[d.id];
-
-	        if (d.newStatus === 'ignore') {
-	          // ignore permanently (false positive)
-	          this.removeItem(d);
-	        } else if (d.newStatus === 'ignore_t') {
-	          // ignore temporarily (error fixed)
-	          this.removeItem(d);
-	          _cache.closed[`${d.schema}:${d.id}`] = true;
-	        } else {
-	          d = this.replaceItem(d.update({
-	            comment: d.newComment,
-	            newComment: undefined,
-	            newState: undefined
-	          }));
-	        }
-
-	        if (callback) callback(null, d);
-	      });
-	  },
-
-	  // Get all cached QAItems covering the viewport
-	  getItems(projection) {
-	    const viewport = projection.clipExtent();
-	    const min = [viewport[0][0], viewport[1][1]];
-	    const max = [viewport[1][0], viewport[0][1]];
-	    const bbox = geoExtent(projection.invert(min), projection.invert(max)).bbox();
-
-	    return _cache.rtree.search(bbox).map(d => d.data);
-	  },
-
-	  // Get a QAItem from cache
-	  // NOTE: Don't change method name until UI v3 is merged
-	  getError(id) {
-	    return _cache.data[id];
-	  },
-
-	  // Replace a single QAItem in the cache
-	  replaceItem(item) {
-	    if (!(item instanceof QAItem) || !item.id) return;
-
-	    _cache.data[item.id] = item;
-	    updateRtree(encodeIssueRtree(item), true); // true = replace
-	    return item;
-	  },
-
-	  // Remove a single QAItem from the cache
-	  removeItem(item) {
-	    if (!(item instanceof QAItem) || !item.id) return;
-
-	    delete _cache.data[item.id];
-	    updateRtree(encodeIssueRtree(item), false); // false = remove
-	  },
-
-	  issueURL(item) {
-	    return `${_krUrlRoot}/report_map.php?schema=${item.schema}&error=${item.id}`;
-	  },
-
-	  // Get an array of issues closed during this session.
-	  // Used to populate `closed:keepright` changeset tag
-	  getClosedIDs() {
-	    return Object.keys(_cache.closed).sort();
-	  }
-
-	};
-
-	const tiler$1 = utilTiler();
-	const dispatch$2 = dispatch('loaded');
-	const _tileZoom$1 = 14;
-	const _impOsmUrls = {
-	  ow: 'https://grab.community.improve-osm.org/directionOfFlowService',
-	  mr: 'https://grab.community.improve-osm.org/missingGeoService',
-	  tr: 'https://grab.community.improve-osm.org/turnRestrictionService'
-	};
-	let _impOsmData = { icons: {} };
-
-
-	// This gets reassigned if reset
-	let _cache$1;
-
-	function abortRequest$1(i) {
-	  Object.values(i).forEach(controller => {
-	    if (controller) {
-	      controller.abort();
-	    }
-	  });
-	}
-
-	function abortUnwantedRequests$1(cache, tiles) {
-	  Object.keys(cache.inflightTile).forEach(k => {
-	    const wanted = tiles.find(tile => k === tile.id);
-	    if (!wanted) {
-	      abortRequest$1(cache.inflightTile[k]);
-	      delete cache.inflightTile[k];
-	    }
-	  });
-	}
-
-	function encodeIssueRtree$1(d) {
-	  return { minX: d.loc[0], minY: d.loc[1], maxX: d.loc[0], maxY: d.loc[1], data: d };
-	}
-
-	// Replace or remove QAItem from rtree
-	function updateRtree$1(item, replace) {
-	  _cache$1.rtree.remove(item, (a, b) => a.data.id === b.data.id);
-
-	  if (replace) {
-	    _cache$1.rtree.insert(item);
-	  }
-	}
-
-	function linkErrorObject(d) {
-	  return `<a class="error_object_link">${d}</a>`;
-	}
-
-	function linkEntity(d) {
-	  return `<a class="error_entity_link">${d}</a>`;
-	}
-
-	function pointAverage(points) {
-	  if (points.length) {
-	    const sum = points.reduce(
-	      (acc, point) => geoVecAdd(acc, [point.lon, point.lat]),
-	      [0,0]
-	    );
-	    return geoVecScale(sum, 1 / points.length);
-	  } else {
-	    return [0,0];
-	  }
-	}
-
-	function relativeBearing(p1, p2) {
-	  let angle = Math.atan2(p2.lon - p1.lon, p2.lat - p1.lat);
-	  if (angle < 0) {
-	    angle += 2 * Math.PI;
-	  }
-
-	  // Return degrees
-	  return angle * 180 / Math.PI;
-	}
-
-	// Assuming range [0,360)
-	function cardinalDirection(bearing) {
-	  const dir = 45 * Math.round(bearing / 45);
-	  const compass = {
-	    0: 'north',
-	    45: 'northeast',
-	    90: 'east',
-	    135: 'southeast',
-	    180: 'south',
-	    225: 'southwest',
-	    270: 'west',
-	    315: 'northwest',
-	    360: 'north'
-	  };
-
-	  return _t(`QA.improveOSM.directions.${compass[dir]}`);
-	}
-
-	// Errors shouldn't obscure eachother
-	function preventCoincident(loc, bumpUp) {
-	  let coincident = false;
-	  do {
-	    // first time, move marker up. after that, move marker right.
-	    let delta = coincident ? [0.00001, 0] : (bumpUp ? [0, 0.00001] : [0, 0]);
-	    loc = geoVecAdd(loc, delta);
-	    let bbox = geoExtent(loc).bbox();
-	    coincident = _cache$1.rtree.search(bbox).length;
-	  } while (coincident);
-
-	  return loc;
-	}
-
-	var serviceImproveOSM = {
-	  title: 'improveOSM',
-
-	  init() {
-	    _mainFileFetcher.get('qa_data')
-	      .then(d => _impOsmData = d.improveOSM);
-
-	    if (!_cache$1) {
-	      this.reset();
-	    }
-
-	    this.event = utilRebind(this, dispatch$2, 'on');
-	  },
-
-	  reset() {
-	    if (_cache$1) {
-	      Object.values(_cache$1.inflightTile).forEach(abortRequest$1);
-	    }
-	    _cache$1 = {
-	      data: {},
-	      loadedTile: {},
-	      inflightTile: {},
-	      inflightPost: {},
-	      closed: {},
-	      rtree: new RBush()
-	    };
-	  },
-
-	  loadIssues(projection) {
-	    const options = {
-	      client: 'iD',
-	      status: 'OPEN',
-	      zoom: '19' // Use a high zoom so that clusters aren't returned
-	    };
-
-	    // determine the needed tiles to cover the view
-	    const tiles = tiler$1
-	      .zoomExtent([_tileZoom$1, _tileZoom$1])
-	      .getTiles(projection);
-
-	    // abort inflight requests that are no longer needed
-	    abortUnwantedRequests$1(_cache$1, tiles);
-
-	    // issue new requests..
-	    tiles.forEach(tile => {
-	      if (_cache$1.loadedTile[tile.id] || _cache$1.inflightTile[tile.id]) return;
-
-	      const [ east, north, west, south ] = tile.extent.rectangle();
-	      const params = Object.assign({}, options, { east, south, west, north });
-
-	      // 3 separate requests to store for each tile
-	      const requests = {};
-
-	      Object.keys(_impOsmUrls).forEach(k => {
-	        // We exclude WATER from missing geometry as it doesn't seem useful
-	        // We use most confident one-way and turn restrictions only, still have false positives
-	        const kParams = Object.assign({},
-	          params,
-	          (k === 'mr') ? { type: 'PARKING,ROAD,BOTH,PATH' } : { confidenceLevel: 'C1' }
-	        );
-	        const url = `${_impOsmUrls[k]}/search?` + utilQsString(kParams);
-	        const controller = new AbortController();
-
-	        requests[k] = controller;
-
-	        d3_json(url, { signal: controller.signal })
-	          .then(data => {
-	            delete _cache$1.inflightTile[tile.id][k];
-	            if (!Object.keys(_cache$1.inflightTile[tile.id]).length) {
-	              delete _cache$1.inflightTile[tile.id];
-	              _cache$1.loadedTile[tile.id] = true;
-	            }
-
-	            // Road segments at high zoom == oneways
-	            if (data.roadSegments) {
-	              data.roadSegments.forEach(feature => {
-	                // Position error at the approximate middle of the segment
-	                const { points, wayId, fromNodeId, toNodeId } = feature;
-	                const itemId = `${wayId}${fromNodeId}${toNodeId}`;
-	                let mid = points.length / 2;
-	                let loc;
-
-	                // Even number of points, find midpoint of the middle two
-	                // Odd number of points, use position of very middle point
-	                if (mid % 1 === 0) {
-	                  loc = pointAverage([points[mid - 1], points[mid]]);
-	                } else {
-	                  mid = points[Math.floor(mid)];
-	                  loc = [mid.lon, mid.lat];
-	                }
-
-	                // One-ways can land on same segment in opposite direction
-	                loc = preventCoincident(loc, false);
-
-	                let d = new QAItem(loc, this, k, itemId, {
-	                  issueKey: k, // used as a category
-	                  identifier: { // used to post changes
-	                    wayId,
-	                    fromNodeId,
-	                    toNodeId
-	                  },
-	                  objectId: wayId,
-	                  objectType: 'way'
-	                });
-
-	                // Variables used in the description
-	                d.replacements = {
-	                  percentage: feature.percentOfTrips,
-	                  num_trips: feature.numberOfTrips,
-	                  highway: linkErrorObject(_t('QA.keepRight.error_parts.highway')),
-	                  from_node: linkEntity('n' + feature.fromNodeId),
-	                  to_node: linkEntity('n' + feature.toNodeId)
-	                };
-
-	                _cache$1.data[d.id] = d;
-	                _cache$1.rtree.insert(encodeIssueRtree$1(d));
-	              });
-	            }
-
-	            // Tiles at high zoom == missing roads
-	            if (data.tiles) {
-	              data.tiles.forEach(feature => {
-	                const { type, x, y, numberOfTrips } = feature;
-	                const geoType = type.toLowerCase();
-	                const itemId = `${geoType}${x}${y}${numberOfTrips}`;
-
-	                // Average of recorded points should land on the missing geometry
-	                // Missing geometry could happen to land on another error
-	                let loc = pointAverage(feature.points);
-	                loc = preventCoincident(loc, false);
-
-	                let d = new QAItem(loc, this, `${k}-${geoType}`, itemId, {
-	                  issueKey: k,
-	                  identifier: { x, y }
-	                });
-
-	                d.replacements = {
-	                  num_trips: numberOfTrips,
-	                  geometry_type: _t(`QA.improveOSM.geometry_types.${geoType}`)
-	                };
-
-	                // -1 trips indicates data came from a 3rd party
-	                if (numberOfTrips === -1) {
-	                  d.desc = _t('QA.improveOSM.error_types.mr.description_alt', d.replacements);
-	                }
-
-	                _cache$1.data[d.id] = d;
-	                _cache$1.rtree.insert(encodeIssueRtree$1(d));
-	              });
-	            }
-
-	            // Entities at high zoom == turn restrictions
-	            if (data.entities) {
-	              data.entities.forEach(feature => {
-	                const { point, id, segments, numberOfPasses, turnType } = feature;
-	                const itemId = `${id.replace(/[,:+#]/g, '_')}`;
-
-	                // Turn restrictions could be missing at same junction
-	                // We also want to bump the error up so node is accessible
-	                const loc = preventCoincident([point.lon, point.lat], true);
-
-	                // Elements are presented in a strange way
-	                const ids = id.split(',');
-	                const from_way = ids[0];
-	                const via_node = ids[3];
-	                const to_way = ids[2].split(':')[1];
-
-	                let d = new QAItem(loc, this, k, itemId, {
-	                  issueKey: k,
-	                  identifier: id,
-	                  objectId: via_node,
-	                  objectType: 'node'
-	                });
-
-	                // Travel direction along from_way clarifies the turn restriction
-	                const [ p1, p2 ] = segments[0].points;
-	                const dir_of_travel = cardinalDirection(relativeBearing(p1, p2));
-
-	                // Variables used in the description
-	                d.replacements = {
-	                  num_passed: numberOfPasses,
-	                  num_trips: segments[0].numberOfTrips,
-	                  turn_restriction: turnType.toLowerCase(),
-	                  from_way: linkEntity('w' + from_way),
-	                  to_way: linkEntity('w' + to_way),
-	                  travel_direction: dir_of_travel,
-	                  junction: linkErrorObject(_t('QA.keepRight.error_parts.this_node'))
-	                };
-
-	                _cache$1.data[d.id] = d;
-	                _cache$1.rtree.insert(encodeIssueRtree$1(d));
-	                dispatch$2.call('loaded');
-	              });
-	            }
-	          })
-	          .catch(() => {
-	            delete _cache$1.inflightTile[tile.id][k];
-	            if (!Object.keys(_cache$1.inflightTile[tile.id]).length) {
-	              delete _cache$1.inflightTile[tile.id];
-	              _cache$1.loadedTile[tile.id] = true;
-	            }
-	          });
-	      });
-
-	      _cache$1.inflightTile[tile.id] = requests;
-	    });
-	  },
-
-	  getComments(item) {
-	    // If comments already retrieved no need to do so again
-	    if (item.comments) {
-	      return Promise.resolve(item);
-	    }
-
-	    const key = item.issueKey;
-	    let qParams = {};
-
-	    if (key === 'ow') {
-	      qParams = item.identifier;
-	    } else if (key === 'mr') {
-	      qParams.tileX = item.identifier.x;
-	      qParams.tileY = item.identifier.y;
-	    } else if (key === 'tr') {
-	      qParams.targetId = item.identifier;
-	    }
-
-	    const url = `${_impOsmUrls[key]}/retrieveComments?` + utilQsString(qParams);
-	    const cacheComments = data => {
-	      // Assign directly for immediate use afterwards
-	      // comments are served newest to oldest
-	      item.comments = data.comments ? data.comments.reverse() : [];
-	      this.replaceItem(item);
-	    };
-
-	    return d3_json(url).then(cacheComments).then(() => item);
-	  },
-
-	  postUpdate(d, callback) {
-	    if (!serviceOsm.authenticated()) { // Username required in payload
-	      return callback({ message: 'Not Authenticated', status: -3}, d);
-	    }
-	    if (_cache$1.inflightPost[d.id]) {
-	      return callback({ message: 'Error update already inflight', status: -2 }, d);
-	    }
-
-	    // Payload can only be sent once username is established
-	    serviceOsm.userDetails(sendPayload.bind(this));
-
-	    function sendPayload(err, user) {
-	      if (err) { return callback(err, d); }
-
-	      const key = d.issueKey;
-	      const url = `${_impOsmUrls[key]}/comment`;
-	      const payload = {
-	        username: user.display_name,
-	        targetIds: [ d.identifier ]
-	      };
-
-	      if (d.newStatus) {
-	        payload.status = d.newStatus;
-	        payload.text = 'status changed';
-	      }
-
-	      // Comment take place of default text
-	      if (d.newComment) {
-	        payload.text = d.newComment;
-	      }
-
-	      const controller = new AbortController();
-	      _cache$1.inflightPost[d.id] = controller;
-
-	      const options = {
-	        method: 'POST',
-	        signal: controller.signal,
-	        body: JSON.stringify(payload)
-	      };
-
-	      d3_json(url, options)
-	        .then(() => {
-	          delete _cache$1.inflightPost[d.id];
-
-	          // Just a comment, update error in cache
-	          if (!d.newStatus) {
-	            const now = new Date();
-	            let comments = d.comments ? d.comments : [];
-
-	            comments.push({
-	              username: payload.username,
-	              text: payload.text,
-	              timestamp: now.getTime() / 1000
-	            });
-
-	            this.replaceItem(d.update({
-	              comments: comments,
-	              newComment: undefined
-	            }));
-	          } else {
-	            this.removeItem(d);
-	            if (d.newStatus === 'SOLVED') {
-	              // Keep track of the number of issues closed per type to tag the changeset
-	              if (!(d.issueKey in _cache$1.closed)) {
-	                _cache$1.closed[d.issueKey] = 0;
-	              }
-	              _cache$1.closed[d.issueKey] += 1;
-	            }
-	          }
-	          if (callback) callback(null, d);
-	        })
-	        .catch(err => {
-	          delete _cache$1.inflightPost[d.id];
-	          if (callback) callback(err.message);
-	        });
-	    }
-	  },
-
-
-	  // Get all cached QAItems covering the viewport
-	  getItems(projection) {
-	    const viewport = projection.clipExtent();
-	    const min = [viewport[0][0], viewport[1][1]];
-	    const max = [viewport[1][0], viewport[0][1]];
-	    const bbox = geoExtent(projection.invert(min), projection.invert(max)).bbox();
-
-	    return _cache$1.rtree.search(bbox).map(d => d.data);
-	  },
-
-	  // Get a QAItem from cache
-	  // NOTE: Don't change method name until UI v3 is merged
-	  getError(id) {
-	    return _cache$1.data[id];
-	  },
-
-	  // get the name of the icon to display for this item
-	  getIcon(itemType) {
-	    return _impOsmData.icons[itemType];
-	  },
-
-	  // Replace a single QAItem in the cache
-	  replaceItem(issue) {
-	    if (!(issue instanceof QAItem) || !issue.id) return;
-
-	    _cache$1.data[issue.id] = issue;
-	    updateRtree$1(encodeIssueRtree$1(issue), true); // true = replace
-	    return issue;
-	  },
-
-	  // Remove a single QAItem from the cache
-	  removeItem(issue) {
-	    if (!(issue instanceof QAItem) || !issue.id) return;
-
-	    delete _cache$1.data[issue.id];
-	    updateRtree$1(encodeIssueRtree$1(issue), false); // false = remove
-	  },
-
-	  // Used to populate `closed:improveosm:*` changeset tags
-	  getClosedCounts() {
-	    return _cache$1.closed;
-	  }
-	};
-
-	var defaults = createCommonjsModule(function (module) {
-	function getDefaults() {
-	  return {
-	    baseUrl: null,
-	    breaks: false,
-	    gfm: true,
-	    headerIds: true,
-	    headerPrefix: '',
-	    highlight: null,
-	    langPrefix: 'language-',
-	    mangle: true,
-	    pedantic: false,
-	    renderer: null,
-	    sanitize: false,
-	    sanitizer: null,
-	    silent: false,
-	    smartLists: false,
-	    smartypants: false,
-	    tokenizer: null,
-	    xhtml: false
-	  };
-	}
-
-	function changeDefaults(newDefaults) {
-	  module.exports.defaults = newDefaults;
-	}
-
-	module.exports = {
-	  defaults: getDefaults(),
-	  getDefaults,
-	  changeDefaults
-	};
-	});
-
-	/**
-	 * Helpers
-	 */
-	const escapeTest = /[&<>"']/;
-	const escapeReplace = /[&<>"']/g;
-	const escapeTestNoEncode = /[<>"']|&(?!#?\w+;)/;
-	const escapeReplaceNoEncode = /[<>"']|&(?!#?\w+;)/g;
-	const escapeReplacements = {
-	  '&': '&amp;',
-	  '<': '&lt;',
-	  '>': '&gt;',
-	  '"': '&quot;',
-	  "'": '&#39;'
-	};
-	const getEscapeReplacement = (ch) => escapeReplacements[ch];
-	function escape$1(html, encode) {
-	  if (encode) {
-	    if (escapeTest.test(html)) {
-	      return html.replace(escapeReplace, getEscapeReplacement);
-	    }
-	  } else {
-	    if (escapeTestNoEncode.test(html)) {
-	      return html.replace(escapeReplaceNoEncode, getEscapeReplacement);
-	    }
-	  }
-
-	  return html;
-	}
-
-	const unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig;
-
-	function unescape$1(html) {
-	  // explicitly match decimal, hex, and named HTML entities
-	  return html.replace(unescapeTest, (_, n) => {
-	    n = n.toLowerCase();
-	    if (n === 'colon') return ':';
-	    if (n.charAt(0) === '#') {
-	      return n.charAt(1) === 'x'
-	        ? String.fromCharCode(parseInt(n.substring(2), 16))
-	        : String.fromCharCode(+n.substring(1));
-	    }
-	    return '';
-	  });
-	}
-
-	const caret = /(^|[^\[])\^/g;
-	function edit(regex, opt) {
-	  regex = regex.source || regex;
-	  opt = opt || '';
-	  const obj = {
-	    replace: (name, val) => {
-	      val = val.source || val;
-	      val = val.replace(caret, '$1');
-	      regex = regex.replace(name, val);
-	      return obj;
-	    },
-	    getRegex: () => {
-	      return new RegExp(regex, opt);
-	    }
-	  };
-	  return obj;
-	}
-
-	const nonWordAndColonTest = /[^\w:]/g;
-	const originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
-	function cleanUrl(sanitize, base, href) {
-	  if (sanitize) {
-	    let prot;
-	    try {
-	      prot = decodeURIComponent(unescape$1(href))
-	        .replace(nonWordAndColonTest, '')
-	        .toLowerCase();
-	    } catch (e) {
-	      return null;
-	    }
-	    if (prot.indexOf('javascript:') === 0 || prot.indexOf('vbscript:') === 0 || prot.indexOf('data:') === 0) {
-	      return null;
-	    }
-	  }
-	  if (base && !originIndependentUrl.test(href)) {
-	    href = resolveUrl(base, href);
-	  }
-	  try {
-	    href = encodeURI(href).replace(/%25/g, '%');
-	  } catch (e) {
-	    return null;
-	  }
-	  return href;
-	}
-
-	const baseUrls = {};
-	const justDomain = /^[^:]+:\/*[^/]*$/;
-	const protocol = /^([^:]+:)[\s\S]*$/;
-	const domain = /^([^:]+:\/*[^/]*)[\s\S]*$/;
-
-	function resolveUrl(base, href) {
-	  if (!baseUrls[' ' + base]) {
-	    // we can ignore everything in base after the last slash of its path component,
-	    // but we might need to add _that_
-	    // https://tools.ietf.org/html/rfc3986#section-3
-	    if (justDomain.test(base)) {
-	      baseUrls[' ' + base] = base + '/';
-	    } else {
-	      baseUrls[' ' + base] = rtrim(base, '/', true);
-	    }
-	  }
-	  base = baseUrls[' ' + base];
-	  const relativeBase = base.indexOf(':') === -1;
-
-	  if (href.substring(0, 2) === '//') {
-	    if (relativeBase) {
-	      return href;
-	    }
-	    return base.replace(protocol, '$1') + href;
-	  } else if (href.charAt(0) === '/') {
-	    if (relativeBase) {
-	      return href;
-	    }
-	    return base.replace(domain, '$1') + href;
-	  } else {
-	    return base + href;
-	  }
-	}
-
-	const noopTest = { exec: function noopTest() {} };
-
-	function merge$1(obj) {
-	  let i = 1,
-	    target,
-	    key;
-
-	  for (; i < arguments.length; i++) {
-	    target = arguments[i];
-	    for (key in target) {
-	      if (Object.prototype.hasOwnProperty.call(target, key)) {
-	        obj[key] = target[key];
-	      }
-	    }
-	  }
-
-	  return obj;
-	}
-
-	function splitCells(tableRow, count) {
-	  // ensure that every cell-delimiting pipe has a space
-	  // before it to distinguish it from an escaped pipe
-	  const row = tableRow.replace(/\|/g, (match, offset, str) => {
-	      let escaped = false,
-	        curr = offset;
-	      while (--curr >= 0 && str[curr] === '\\') escaped = !escaped;
-	      if (escaped) {
-	        // odd number of slashes means | is escaped
-	        // so we leave it alone
-	        return '|';
-	      } else {
-	        // add space before unescaped |
-	        return ' |';
-	      }
-	    }),
-	    cells = row.split(/ \|/);
-	  let i = 0;
-
-	  if (cells.length > count) {
-	    cells.splice(count);
-	  } else {
-	    while (cells.length < count) cells.push('');
-	  }
-
-	  for (; i < cells.length; i++) {
-	    // leading or trailing whitespace is ignored per the gfm spec
-	    cells[i] = cells[i].trim().replace(/\\\|/g, '|');
-	  }
-	  return cells;
-	}
-
-	// Remove trailing 'c's. Equivalent to str.replace(/c*$/, '').
-	// /c*$/ is vulnerable to REDOS.
-	// invert: Remove suffix of non-c chars instead. Default falsey.
-	function rtrim(str, c, invert) {
-	  const l = str.length;
-	  if (l === 0) {
-	    return '';
-	  }
-
-	  // Length of suffix matching the invert condition.
-	  let suffLen = 0;
-
-	  // Step left until we fail to match the invert condition.
-	  while (suffLen < l) {
-	    const currChar = str.charAt(l - suffLen - 1);
-	    if (currChar === c && !invert) {
-	      suffLen++;
-	    } else if (currChar !== c && invert) {
-	      suffLen++;
-	    } else {
-	      break;
-	    }
-	  }
-
-	  return str.substr(0, l - suffLen);
-	}
-
-	function findClosingBracket(str, b) {
-	  if (str.indexOf(b[1]) === -1) {
-	    return -1;
-	  }
-	  const l = str.length;
-	  let level = 0,
-	    i = 0;
-	  for (; i < l; i++) {
-	    if (str[i] === '\\') {
-	      i++;
-	    } else if (str[i] === b[0]) {
-	      level++;
-	    } else if (str[i] === b[1]) {
-	      level--;
-	      if (level < 0) {
-	        return i;
-	      }
-	    }
-	  }
-	  return -1;
-	}
-
-	function checkSanitizeDeprecation(opt) {
-	  if (opt && opt.sanitize && !opt.silent) {
-	    console.warn('marked(): sanitize and sanitizer parameters are deprecated since version 0.7.0, should not be used and will be removed in the future. Read more here: https://marked.js.org/#/USING_ADVANCED.md#options');
-	  }
-	}
-
-	var helpers = {
-	  escape: escape$1,
-	  unescape: unescape$1,
-	  edit,
-	  cleanUrl,
-	  resolveUrl,
-	  noopTest,
-	  merge: merge$1,
-	  splitCells,
-	  rtrim,
-	  findClosingBracket,
-	  checkSanitizeDeprecation
-	};
-
-	const { defaults: defaults$1 } = defaults;
-	const {
-	  rtrim: rtrim$1,
-	  splitCells: splitCells$1,
-	  escape: escape$2,
-	  findClosingBracket: findClosingBracket$1
-	} = helpers;
-
-	function outputLink(cap, link, raw) {
-	  const href = link.href;
-	  const title = link.title ? escape$2(link.title) : null;
-
-	  if (cap[0].charAt(0) !== '!') {
-	    return {
-	      type: 'link',
-	      raw,
-	      href,
-	      title,
-	      text: cap[1]
-	    };
-	  } else {
-	    return {
-	      type: 'image',
-	      raw,
-	      text: escape$2(cap[1]),
-	      href,
-	      title
-	    };
-	  }
-	}
-
-	/**
-	 * Tokenizer
-	 */
-	var Tokenizer_1 = class Tokenizer {
-	  constructor(options) {
-	    this.options = options || defaults$1;
-	  }
-
-	  space(src) {
-	    const cap = this.rules.block.newline.exec(src);
-	    if (cap) {
-	      if (cap[0].length > 1) {
-	        return {
-	          type: 'space',
-	          raw: cap[0]
-	        };
-	      }
-	      return { raw: '\n' };
-	    }
-	  }
-
-	  code(src, tokens) {
-	    const cap = this.rules.block.code.exec(src);
-	    if (cap) {
-	      const lastToken = tokens[tokens.length - 1];
-	      // An indented code block cannot interrupt a paragraph.
-	      if (lastToken && lastToken.type === 'paragraph') {
-	        tokens.pop();
-	        lastToken.text += '\n' + cap[0].trimRight();
-	        lastToken.raw += '\n' + cap[0];
-	        return lastToken;
-	      } else {
-	        const text = cap[0].replace(/^ {4}/gm, '');
-	        return {
-	          type: 'code',
-	          raw: cap[0],
-	          codeBlockStyle: 'indented',
-	          text: !this.options.pedantic
-	            ? rtrim$1(text, '\n')
-	            : text
-	        };
-	      }
-	    }
-	  }
-
-	  fences(src) {
-	    const cap = this.rules.block.fences.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'code',
-	        raw: cap[0],
-	        lang: cap[2] ? cap[2].trim() : cap[2],
-	        text: cap[3] || ''
-	      };
-	    }
-	  }
-
-	  heading(src) {
-	    const cap = this.rules.block.heading.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'heading',
-	        raw: cap[0],
-	        depth: cap[1].length,
-	        text: cap[2]
-	      };
-	    }
-	  }
-
-	  nptable(src) {
-	    const cap = this.rules.block.nptable.exec(src);
-	    if (cap) {
-	      const item = {
-	        type: 'table',
-	        header: splitCells$1(cap[1].replace(/^ *| *\| *$/g, '')),
-	        align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
-	        cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : [],
-	        raw: cap[0]
-	      };
-
-	      if (item.header.length === item.align.length) {
-	        let l = item.align.length;
-	        let i;
-	        for (i = 0; i < l; i++) {
-	          if (/^ *-+: *$/.test(item.align[i])) {
-	            item.align[i] = 'right';
-	          } else if (/^ *:-+: *$/.test(item.align[i])) {
-	            item.align[i] = 'center';
-	          } else if (/^ *:-+ *$/.test(item.align[i])) {
-	            item.align[i] = 'left';
-	          } else {
-	            item.align[i] = null;
-	          }
-	        }
-
-	        l = item.cells.length;
-	        for (i = 0; i < l; i++) {
-	          item.cells[i] = splitCells$1(item.cells[i], item.header.length);
-	        }
-
-	        return item;
-	      }
-	    }
-	  }
-
-	  hr(src) {
-	    const cap = this.rules.block.hr.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'hr',
-	        raw: cap[0]
-	      };
-	    }
-	  }
-
-	  blockquote(src) {
-	    const cap = this.rules.block.blockquote.exec(src);
-	    if (cap) {
-	      const text = cap[0].replace(/^ *> ?/gm, '');
-
-	      return {
-	        type: 'blockquote',
-	        raw: cap[0],
-	        text
-	      };
-	    }
-	  }
-
-	  list(src) {
-	    const cap = this.rules.block.list.exec(src);
-	    if (cap) {
-	      let raw = cap[0];
-	      const bull = cap[2];
-	      const isordered = bull.length > 1;
-
-	      const list = {
-	        type: 'list',
-	        raw,
-	        ordered: isordered,
-	        start: isordered ? +bull : '',
-	        loose: false,
-	        items: []
-	      };
-
-	      // Get each top-level item.
-	      const itemMatch = cap[0].match(this.rules.block.item);
-
-	      let next = false,
-	        item,
-	        space,
-	        b,
-	        addBack,
-	        loose,
-	        istask,
-	        ischecked;
-
-	      const l = itemMatch.length;
-	      for (let i = 0; i < l; i++) {
-	        item = itemMatch[i];
-	        raw = item;
-
-	        // Remove the list item's bullet
-	        // so it is seen as the next token.
-	        space = item.length;
-	        item = item.replace(/^ *([*+-]|\d+\.) */, '');
-
-	        // Outdent whatever the
-	        // list item contains. Hacky.
-	        if (~item.indexOf('\n ')) {
-	          space -= item.length;
-	          item = !this.options.pedantic
-	            ? item.replace(new RegExp('^ {1,' + space + '}', 'gm'), '')
-	            : item.replace(/^ {1,4}/gm, '');
-	        }
-
-	        // Determine whether the next list item belongs here.
-	        // Backpedal if it does not belong in this list.
-	        if (i !== l - 1) {
-	          b = this.rules.block.bullet.exec(itemMatch[i + 1])[0];
-	          if (bull.length > 1 ? b.length === 1
-	            : (b.length > 1 || (this.options.smartLists && b !== bull))) {
-	            addBack = itemMatch.slice(i + 1).join('\n');
-	            list.raw = list.raw.substring(0, list.raw.length - addBack.length);
-	            i = l - 1;
-	          }
-	        }
-
-	        // Determine whether item is loose or not.
-	        // Use: /(^|\n)(?! )[^\n]+\n\n(?!\s*$)/
-	        // for discount behavior.
-	        loose = next || /\n\n(?!\s*$)/.test(item);
-	        if (i !== l - 1) {
-	          next = item.charAt(item.length - 1) === '\n';
-	          if (!loose) loose = next;
-	        }
-
-	        if (loose) {
-	          list.loose = true;
-	        }
-
-	        // Check for task list items
-	        istask = /^\[[ xX]\] /.test(item);
-	        ischecked = undefined;
-	        if (istask) {
-	          ischecked = item[1] !== ' ';
-	          item = item.replace(/^\[[ xX]\] +/, '');
-	        }
-
-	        list.items.push({
-	          raw,
-	          task: istask,
-	          checked: ischecked,
-	          loose: loose,
-	          text: item
-	        });
-	      }
-
-	      return list;
-	    }
-	  }
-
-	  html(src) {
-	    const cap = this.rules.block.html.exec(src);
-	    if (cap) {
-	      return {
-	        type: this.options.sanitize
-	          ? 'paragraph'
-	          : 'html',
-	        raw: cap[0],
-	        pre: !this.options.sanitizer
-	          && (cap[1] === 'pre' || cap[1] === 'script' || cap[1] === 'style'),
-	        text: this.options.sanitize ? (this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape$2(cap[0])) : cap[0]
-	      };
-	    }
-	  }
-
-	  def(src) {
-	    const cap = this.rules.block.def.exec(src);
-	    if (cap) {
-	      if (cap[3]) cap[3] = cap[3].substring(1, cap[3].length - 1);
-	      const tag = cap[1].toLowerCase().replace(/\s+/g, ' ');
-	      return {
-	        tag,
-	        raw: cap[0],
-	        href: cap[2],
-	        title: cap[3]
-	      };
-	    }
-	  }
-
-	  table(src) {
-	    const cap = this.rules.block.table.exec(src);
-	    if (cap) {
-	      const item = {
-	        type: 'table',
-	        header: splitCells$1(cap[1].replace(/^ *| *\| *$/g, '')),
-	        align: cap[2].replace(/^ *|\| *$/g, '').split(/ *\| */),
-	        cells: cap[3] ? cap[3].replace(/\n$/, '').split('\n') : []
-	      };
-
-	      if (item.header.length === item.align.length) {
-	        item.raw = cap[0];
-
-	        let l = item.align.length;
-	        let i;
-	        for (i = 0; i < l; i++) {
-	          if (/^ *-+: *$/.test(item.align[i])) {
-	            item.align[i] = 'right';
-	          } else if (/^ *:-+: *$/.test(item.align[i])) {
-	            item.align[i] = 'center';
-	          } else if (/^ *:-+ *$/.test(item.align[i])) {
-	            item.align[i] = 'left';
-	          } else {
-	            item.align[i] = null;
-	          }
-	        }
-
-	        l = item.cells.length;
-	        for (i = 0; i < l; i++) {
-	          item.cells[i] = splitCells$1(
-	            item.cells[i].replace(/^ *\| *| *\| *$/g, ''),
-	            item.header.length);
-	        }
-
-	        return item;
-	      }
-	    }
-	  }
-
-	  lheading(src) {
-	    const cap = this.rules.block.lheading.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'heading',
-	        raw: cap[0],
-	        depth: cap[2].charAt(0) === '=' ? 1 : 2,
-	        text: cap[1]
-	      };
-	    }
-	  }
-
-	  paragraph(src) {
-	    const cap = this.rules.block.paragraph.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'paragraph',
-	        raw: cap[0],
-	        text: cap[1].charAt(cap[1].length - 1) === '\n'
-	          ? cap[1].slice(0, -1)
-	          : cap[1]
-	      };
-	    }
-	  }
-
-	  text(src) {
-	    const cap = this.rules.block.text.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'text',
-	        raw: cap[0],
-	        text: cap[0]
-	      };
-	    }
-	  }
-
-	  escape(src) {
-	    const cap = this.rules.inline.escape.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'escape',
-	        raw: cap[0],
-	        text: escape$2(cap[1])
-	      };
-	    }
-	  }
-
-	  tag(src, inLink, inRawBlock) {
-	    const cap = this.rules.inline.tag.exec(src);
-	    if (cap) {
-	      if (!inLink && /^<a /i.test(cap[0])) {
-	        inLink = true;
-	      } else if (inLink && /^<\/a>/i.test(cap[0])) {
-	        inLink = false;
-	      }
-	      if (!inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
-	        inRawBlock = true;
-	      } else if (inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
-	        inRawBlock = false;
-	      }
-
-	      return {
-	        type: this.options.sanitize
-	          ? 'text'
-	          : 'html',
-	        raw: cap[0],
-	        inLink,
-	        inRawBlock,
-	        text: this.options.sanitize
-	          ? (this.options.sanitizer
-	            ? this.options.sanitizer(cap[0])
-	            : escape$2(cap[0]))
-	          : cap[0]
-	      };
-	    }
-	  }
-
-	  link(src) {
-	    const cap = this.rules.inline.link.exec(src);
-	    if (cap) {
-	      const lastParenIndex = findClosingBracket$1(cap[2], '()');
-	      if (lastParenIndex > -1) {
-	        const start = cap[0].indexOf('!') === 0 ? 5 : 4;
-	        const linkLen = start + cap[1].length + lastParenIndex;
-	        cap[2] = cap[2].substring(0, lastParenIndex);
-	        cap[0] = cap[0].substring(0, linkLen).trim();
-	        cap[3] = '';
-	      }
-	      let href = cap[2];
-	      let title = '';
-	      if (this.options.pedantic) {
-	        const link = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);
-
-	        if (link) {
-	          href = link[1];
-	          title = link[3];
-	        } else {
-	          title = '';
-	        }
-	      } else {
-	        title = cap[3] ? cap[3].slice(1, -1) : '';
-	      }
-	      href = href.trim().replace(/^<([\s\S]*)>$/, '$1');
-	      const token = outputLink(cap, {
-	        href: href ? href.replace(this.rules.inline._escapes, '$1') : href,
-	        title: title ? title.replace(this.rules.inline._escapes, '$1') : title
-	      }, cap[0]);
-	      return token;
-	    }
-	  }
-
-	  reflink(src, links) {
-	    let cap;
-	    if ((cap = this.rules.inline.reflink.exec(src))
-	        || (cap = this.rules.inline.nolink.exec(src))) {
-	      let link = (cap[2] || cap[1]).replace(/\s+/g, ' ');
-	      link = links[link.toLowerCase()];
-	      if (!link || !link.href) {
-	        const text = cap[0].charAt(0);
-	        return {
-	          type: 'text',
-	          raw: text,
-	          text
-	        };
-	      }
-	      const token = outputLink(cap, link, cap[0]);
-	      return token;
-	    }
-	  }
-
-	  strong(src) {
-	    const cap = this.rules.inline.strong.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'strong',
-	        raw: cap[0],
-	        text: cap[4] || cap[3] || cap[2] || cap[1]
-	      };
-	    }
-	  }
-
-	  em(src) {
-	    const cap = this.rules.inline.em.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'em',
-	        raw: cap[0],
-	        text: cap[6] || cap[5] || cap[4] || cap[3] || cap[2] || cap[1]
-	      };
-	    }
-	  }
-
-	  codespan(src) {
-	    const cap = this.rules.inline.code.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'codespan',
-	        raw: cap[0],
-	        text: escape$2(cap[2].trim(), true)
-	      };
-	    }
-	  }
-
-	  br(src) {
-	    const cap = this.rules.inline.br.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'br',
-	        raw: cap[0]
-	      };
-	    }
-	  }
-
-	  del(src) {
-	    const cap = this.rules.inline.del.exec(src);
-	    if (cap) {
-	      return {
-	        type: 'del',
-	        raw: cap[0],
-	        text: cap[1]
-	      };
-	    }
-	  }
-
-	  autolink(src, mangle) {
-	    const cap = this.rules.inline.autolink.exec(src);
-	    if (cap) {
-	      let text, href;
-	      if (cap[2] === '@') {
-	        text = escape$2(this.options.mangle ? mangle(cap[1]) : cap[1]);
-	        href = 'mailto:' + text;
-	      } else {
-	        text = escape$2(cap[1]);
-	        href = text;
-	      }
-
-	      return {
-	        type: 'link',
-	        raw: cap[0],
-	        text,
-	        href,
-	        tokens: [
-	          {
-	            type: 'text',
-	            raw: text,
-	            text
-	          }
-	        ]
-	      };
-	    }
-	  }
-
-	  url(src, mangle) {
-	    let cap;
-	    if (cap = this.rules.inline.url.exec(src)) {
-	      let text, href;
-	      if (cap[2] === '@') {
-	        text = escape$2(this.options.mangle ? mangle(cap[0]) : cap[0]);
-	        href = 'mailto:' + text;
-	      } else {
-	        // do extended autolink path validation
-	        let prevCapZero;
-	        do {
-	          prevCapZero = cap[0];
-	          cap[0] = this.rules.inline._backpedal.exec(cap[0])[0];
-	        } while (prevCapZero !== cap[0]);
-	        text = escape$2(cap[0]);
-	        if (cap[1] === 'www.') {
-	          href = 'http://' + text;
-	        } else {
-	          href = text;
-	        }
-	      }
-	      return {
-	        type: 'link',
-	        raw: cap[0],
-	        text,
-	        href,
-	        tokens: [
-	          {
-	            type: 'text',
-	            raw: text,
-	            text
-	          }
-	        ]
-	      };
-	    }
-	  }
-
-	  inlineText(src, inRawBlock, smartypants) {
-	    const cap = this.rules.inline.text.exec(src);
-	    if (cap) {
-	      let text;
-	      if (inRawBlock) {
-	        text = this.options.sanitize ? (this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape$2(cap[0])) : cap[0];
-	      } else {
-	        text = escape$2(this.options.smartypants ? smartypants(cap[0]) : cap[0]);
-	      }
-	      return {
-	        type: 'text',
-	        raw: cap[0],
-	        text
-	      };
-	    }
-	  }
-	};
-
-	const {
-	  noopTest: noopTest$1,
-	  edit: edit$1,
-	  merge: merge$2
-	} = helpers;
-
-	/**
-	 * Block-Level Grammar
-	 */
-	const block = {
-	  newline: /^\n+/,
-	  code: /^( {4}[^\n]+\n*)+/,
-	  fences: /^ {0,3}(`{3,}(?=[^`\n]*\n)|~{3,})([^\n]*)\n(?:|([\s\S]*?)\n)(?: {0,3}\1[~`]* *(?:\n+|$)|$)/,
-	  hr: /^ {0,3}((?:- *){3,}|(?:_ *){3,}|(?:\* *){3,})(?:\n+|$)/,
-	  heading: /^ {0,3}(#{1,6}) +([^\n]*?)(?: +#+)? *(?:\n+|$)/,
-	  blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
-	  list: /^( {0,3})(bull) [\s\S]+?(?:hr|def|\n{2,}(?! )(?!\1bull )\n*|\s*$)/,
-	  html: '^ {0,3}(?:' // optional indentation
-	    + '<(script|pre|style)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)' // (1)
-	    + '|comment[^\\n]*(\\n+|$)' // (2)
-	    + '|<\\?[\\s\\S]*?\\?>\\n*' // (3)
-	    + '|<![A-Z][\\s\\S]*?>\\n*' // (4)
-	    + '|<!\\[CDATA\\[[\\s\\S]*?\\]\\]>\\n*' // (5)
-	    + '|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:\\n{2,}|$)' // (6)
-	    + '|<(?!script|pre|style)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) open tag
-	    + '|</(?!script|pre|style)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:\\n{2,}|$)' // (7) closing tag
-	    + ')',
-	  def: /^ {0,3}\[(label)\]: *\n? *<?([^\s>]+)>?(?:(?: +\n? *| *\n *)(title))? *(?:\n+|$)/,
-	  nptable: noopTest$1,
-	  table: noopTest$1,
-	  lheading: /^([^\n]+)\n {0,3}(=+|-+) *(?:\n+|$)/,
-	  // regex template, placeholders will be replaced according to different paragraph
-	  // interruption rules of commonmark and the original markdown spec:
-	  _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html)[^\n]+)*)/,
-	  text: /^[^\n]+/
-	};
-
-	block._label = /(?!\s*\])(?:\\[\[\]]|[^\[\]])+/;
-	block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/;
-	block.def = edit$1(block.def)
-	  .replace('label', block._label)
-	  .replace('title', block._title)
-	  .getRegex();
-
-	block.bullet = /(?:[*+-]|\d{1,9}\.)/;
-	block.item = /^( *)(bull) ?[^\n]*(?:\n(?!\1bull ?)[^\n]*)*/;
-	block.item = edit$1(block.item, 'gm')
-	  .replace(/bull/g, block.bullet)
-	  .getRegex();
-
-	block.list = edit$1(block.list)
-	  .replace(/bull/g, block.bullet)
-	  .replace('hr', '\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))')
-	  .replace('def', '\\n+(?=' + block.def.source + ')')
-	  .getRegex();
-
-	block._tag = 'address|article|aside|base|basefont|blockquote|body|caption'
-	  + '|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption'
-	  + '|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe'
-	  + '|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option'
-	  + '|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr'
-	  + '|track|ul';
-	block._comment = /<!--(?!-?>)[\s\S]*?-->/;
-	block.html = edit$1(block.html, 'i')
-	  .replace('comment', block._comment)
-	  .replace('tag', block._tag)
-	  .replace('attribute', / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/)
-	  .getRegex();
-
-	block.paragraph = edit$1(block._paragraph)
-	  .replace('hr', block.hr)
-	  .replace('heading', ' {0,3}#{1,6} ')
-	  .replace('|lheading', '') // setex headings don't interrupt commonmark paragraphs
-	  .replace('blockquote', ' {0,3}>')
-	  .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
-	  .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
-	  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
-	  .replace('tag', block._tag) // pars can be interrupted by type (6) html blocks
-	  .getRegex();
-
-	block.blockquote = edit$1(block.blockquote)
-	  .replace('paragraph', block.paragraph)
-	  .getRegex();
-
-	/**
-	 * Normal Block Grammar
-	 */
-
-	block.normal = merge$2({}, block);
-
-	/**
-	 * GFM Block Grammar
-	 */
-
-	block.gfm = merge$2({}, block.normal, {
-	  nptable: '^ *([^|\\n ].*\\|.*)\\n' // Header
-	    + ' *([-:]+ *\\|[-| :]*)' // Align
-	    + '(?:\\n((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)', // Cells
-	  table: '^ *\\|(.+)\\n' // Header
-	    + ' *\\|?( *[-:]+[-| :]*)' // Align
-	    + '(?:\\n *((?:(?!\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)' // Cells
-	});
-
-	block.gfm.nptable = edit$1(block.gfm.nptable)
-	  .replace('hr', block.hr)
-	  .replace('heading', ' {0,3}#{1,6} ')
-	  .replace('blockquote', ' {0,3}>')
-	  .replace('code', ' {4}[^\\n]')
-	  .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
-	  .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
-	  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
-	  .replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
-	  .getRegex();
-
-	block.gfm.table = edit$1(block.gfm.table)
-	  .replace('hr', block.hr)
-	  .replace('heading', ' {0,3}#{1,6} ')
-	  .replace('blockquote', ' {0,3}>')
-	  .replace('code', ' {4}[^\\n]')
-	  .replace('fences', ' {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n')
-	  .replace('list', ' {0,3}(?:[*+-]|1[.)]) ') // only lists starting from 1 can interrupt
-	  .replace('html', '</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|!--)')
-	  .replace('tag', block._tag) // tables can be interrupted by type (6) html blocks
-	  .getRegex();
-
-	/**
-	 * Pedantic grammar (original John Gruber's loose markdown specification)
-	 */
-
-	block.pedantic = merge$2({}, block.normal, {
-	  html: edit$1(
-	    '^ *(?:comment *(?:\\n|\\s*$)'
-	    + '|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)' // closed tag
-	    + '|<tag(?:"[^"]*"|\'[^\']*\'|\\s[^\'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))')
-	    .replace('comment', block._comment)
-	    .replace(/tag/g, '(?!(?:'
-	      + 'a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub'
-	      + '|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)'
-	      + '\\b)\\w+(?!:|[^\\w\\s@]*@)\\b')
-	    .getRegex(),
-	  def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,
-	  heading: /^ *(#{1,6}) *([^\n]+?) *(?:#+ *)?(?:\n+|$)/,
-	  fences: noopTest$1, // fences not supported
-	  paragraph: edit$1(block.normal._paragraph)
-	    .replace('hr', block.hr)
-	    .replace('heading', ' *#{1,6} *[^\n]')
-	    .replace('lheading', block.lheading)
-	    .replace('blockquote', ' {0,3}>')
-	    .replace('|fences', '')
-	    .replace('|list', '')
-	    .replace('|html', '')
-	    .getRegex()
-	});
-
-	/**
-	 * Inline-Level Grammar
-	 */
-	const inline = {
-	  escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
-	  autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
-	  url: noopTest$1,
-	  tag: '^comment'
-	    + '|^</[a-zA-Z][\\w:-]*\\s*>' // self-closing tag
-	    + '|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>' // open tag
-	    + '|^<\\?[\\s\\S]*?\\?>' // processing instruction, e.g. <?php ?>
-	    + '|^<![a-zA-Z]+\\s[\\s\\S]*?>' // declaration, e.g. <!DOCTYPE html>
-	    + '|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>', // CDATA section
-	  link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,
-	  reflink: /^!?\[(label)\]\[(?!\s*\])((?:\\[\[\]]?|[^\[\]\\])+)\]/,
-	  nolink: /^!?\[(?!\s*\])((?:\[[^\[\]]*\]|\\[\[\]]|[^\[\]])*)\](?:\[\])?/,
-	  strong: /^__([^\s_])__(?!_)|^\*\*([^\s*])\*\*(?!\*)|^__([^\s][\s\S]*?[^\s])__(?!_)|^\*\*([^\s][\s\S]*?[^\s])\*\*(?!\*)/,
-	  em: /^_([^\s_])_(?!_)|^_([^\s_<][\s\S]*?[^\s_])_(?!_|[^\spunctuation])|^_([^\s_<][\s\S]*?[^\s])_(?!_|[^\spunctuation])|^\*([^\s*<\[])\*(?!\*)|^\*([^\s<"][\s\S]*?[^\s\[\*])\*(?![\]`punctuation])|^\*([^\s*"<\[][\s\S]*[^\s])\*(?!\*)/,
-	  code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
-	  br: /^( {2,}|\\)\n(?!\s*$)/,
-	  del: noopTest$1,
-	  text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*]|\b_|$)|[^ ](?= {2,}\n))|(?= {2,}\n))/
-	};
-
-	// list of punctuation marks from common mark spec
-	// without ` and ] to workaround Rule 17 (inline code blocks/links)
-	inline._punctuation = '!"#$%&\'()*+\\-./:;<=>?@\\[^_{|}~';
-	inline.em = edit$1(inline.em).replace(/punctuation/g, inline._punctuation).getRegex();
-
-	inline._escapes = /\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/g;
-
-	inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
-	inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
-	inline.autolink = edit$1(inline.autolink)
-	  .replace('scheme', inline._scheme)
-	  .replace('email', inline._email)
-	  .getRegex();
-
-	inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;
-
-	inline.tag = edit$1(inline.tag)
-	  .replace('comment', block._comment)
-	  .replace('attribute', inline._attribute)
-	  .getRegex();
-
-	inline._label = /(?:\[[^\[\]]*\]|\\.|`[^`]*`|[^\[\]\\`])*?/;
-	inline._href = /<(?:\\[<>]?|[^\s<>\\])*>|[^\s\x00-\x1f]*/;
-	inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/;
-
-	inline.link = edit$1(inline.link)
-	  .replace('label', inline._label)
-	  .replace('href', inline._href)
-	  .replace('title', inline._title)
-	  .getRegex();
-
-	inline.reflink = edit$1(inline.reflink)
-	  .replace('label', inline._label)
-	  .getRegex();
-
-	/**
-	 * Normal Inline Grammar
-	 */
-
-	inline.normal = merge$2({}, inline);
-
-	/**
-	 * Pedantic Inline Grammar
-	 */
-
-	inline.pedantic = merge$2({}, inline.normal, {
-	  strong: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
-	  em: /^_(?=\S)([\s\S]*?\S)_(?!_)|^\*(?=\S)([\s\S]*?\S)\*(?!\*)/,
-	  link: edit$1(/^!?\[(label)\]\((.*?)\)/)
-	    .replace('label', inline._label)
-	    .getRegex(),
-	  reflink: edit$1(/^!?\[(label)\]\s*\[([^\]]*)\]/)
-	    .replace('label', inline._label)
-	    .getRegex()
-	});
-
-	/**
-	 * GFM Inline Grammar
-	 */
-
-	inline.gfm = merge$2({}, inline.normal, {
-	  escape: edit$1(inline.escape).replace('])', '~|])').getRegex(),
-	  _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
-	  url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
-	  _backpedal: /(?:[^?!.,:;*_~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_~)]+(?!$))+/,
-	  del: /^~+(?=\S)([\s\S]*?\S)~+/,
-	  text: /^(`+|[^`])(?:[\s\S]*?(?:(?=[\\<!\[`*~]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))|(?= {2,}\n|[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@))/
-	});
-
-	inline.gfm.url = edit$1(inline.gfm.url, 'i')
-	  .replace('email', inline.gfm._extended_email)
-	  .getRegex();
-	/**
-	 * GFM + Line Breaks Inline Grammar
-	 */
-
-	inline.breaks = merge$2({}, inline.gfm, {
-	  br: edit$1(inline.br).replace('{2,}', '*').getRegex(),
-	  text: edit$1(inline.gfm.text)
-	    .replace('\\b_', '\\b_| {2,}\\n')
-	    .replace(/\{2,\}/g, '*')
-	    .getRegex()
-	});
-
-	var rules = {
-	  block,
-	  inline
-	};
-
-	const { defaults: defaults$2 } = defaults;
-	const { block: block$1, inline: inline$1 } = rules;
-
-	/**
-	 * smartypants text replacement
-	 */
-	function smartypants(text) {
-	  return text
-	    // em-dashes
-	    .replace(/---/g, '\u2014')
-	    // en-dashes
-	    .replace(/--/g, '\u2013')
-	    // opening singles
-	    .replace(/(^|[-\u2014/(\[{"\s])'/g, '$1\u2018')
-	    // closing singles & apostrophes
-	    .replace(/'/g, '\u2019')
-	    // opening doubles
-	    .replace(/(^|[-\u2014/(\[{\u2018\s])"/g, '$1\u201c')
-	    // closing doubles
-	    .replace(/"/g, '\u201d')
-	    // ellipses
-	    .replace(/\.{3}/g, '\u2026');
-	}
-
-	/**
-	 * mangle email addresses
-	 */
-	function mangle(text) {
-	  let out = '',
-	    i,
-	    ch;
-
-	  const l = text.length;
-	  for (i = 0; i < l; i++) {
-	    ch = text.charCodeAt(i);
-	    if (Math.random() > 0.5) {
-	      ch = 'x' + ch.toString(16);
-	    }
-	    out += '&#' + ch + ';';
-	  }
-
-	  return out;
-	}
-
-	/**
-	 * Block Lexer
-	 */
-	var Lexer_1 = class Lexer {
-	  constructor(options) {
-	    this.tokens = [];
-	    this.tokens.links = Object.create(null);
-	    this.options = options || defaults$2;
-	    this.options.tokenizer = this.options.tokenizer || new Tokenizer_1();
-	    this.tokenizer = this.options.tokenizer;
-	    this.tokenizer.options = this.options;
-
-	    const rules = {
-	      block: block$1.normal,
-	      inline: inline$1.normal
-	    };
-
-	    if (this.options.pedantic) {
-	      rules.block = block$1.pedantic;
-	      rules.inline = inline$1.pedantic;
-	    } else if (this.options.gfm) {
-	      rules.block = block$1.gfm;
-	      if (this.options.breaks) {
-	        rules.inline = inline$1.breaks;
-	      } else {
-	        rules.inline = inline$1.gfm;
-	      }
-	    }
-	    this.tokenizer.rules = rules;
-	  }
-
-	  /**
-	   * Expose Rules
-	   */
-	  static get rules() {
-	    return {
-	      block: block$1,
-	      inline: inline$1
-	    };
-	  }
-
-	  /**
-	   * Static Lex Method
-	   */
-	  static lex(src, options) {
-	    const lexer = new Lexer(options);
-	    return lexer.lex(src);
-	  }
-
-	  /**
-	   * Preprocessing
-	   */
-	  lex(src) {
-	    src = src
-	      .replace(/\r\n|\r/g, '\n')
-	      .replace(/\t/g, '    ');
-
-	    this.blockTokens(src, this.tokens, true);
-
-	    this.inline(this.tokens);
-
-	    return this.tokens;
-	  }
-
-	  /**
-	   * Lexing
-	   */
-	  blockTokens(src, tokens = [], top = true) {
-	    src = src.replace(/^ +$/gm, '');
-	    let token, i, l;
-
-	    while (src) {
-	      // newline
-	      if (token = this.tokenizer.space(src)) {
-	        src = src.substring(token.raw.length);
-	        if (token.type) {
-	          tokens.push(token);
-	        }
-	        continue;
-	      }
-
-	      // code
-	      if (token = this.tokenizer.code(src, tokens)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // fences
-	      if (token = this.tokenizer.fences(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // heading
-	      if (token = this.tokenizer.heading(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // table no leading pipe (gfm)
-	      if (token = this.tokenizer.nptable(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // hr
-	      if (token = this.tokenizer.hr(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // blockquote
-	      if (token = this.tokenizer.blockquote(src)) {
-	        src = src.substring(token.raw.length);
-	        token.tokens = this.blockTokens(token.text, [], top);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // list
-	      if (token = this.tokenizer.list(src)) {
-	        src = src.substring(token.raw.length);
-	        l = token.items.length;
-	        for (i = 0; i < l; i++) {
-	          token.items[i].tokens = this.blockTokens(token.items[i].text, [], false);
-	        }
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // html
-	      if (token = this.tokenizer.html(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // def
-	      if (top && (token = this.tokenizer.def(src))) {
-	        src = src.substring(token.raw.length);
-	        if (!this.tokens.links[token.tag]) {
-	          this.tokens.links[token.tag] = {
-	            href: token.href,
-	            title: token.title
-	          };
-	        }
-	        continue;
-	      }
-
-	      // table (gfm)
-	      if (token = this.tokenizer.table(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // lheading
-	      if (token = this.tokenizer.lheading(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // top-level paragraph
-	      if (top && (token = this.tokenizer.paragraph(src))) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // text
-	      if (token = this.tokenizer.text(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      if (src) {
-	        const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
-	        if (this.options.silent) {
-	          console.error(errMsg);
-	          break;
-	        } else {
-	          throw new Error(errMsg);
-	        }
-	      }
-	    }
-
-	    return tokens;
-	  }
-
-	  inline(tokens) {
-	    let i,
-	      j,
-	      k,
-	      l2,
-	      row,
-	      token;
-
-	    const l = tokens.length;
-	    for (i = 0; i < l; i++) {
-	      token = tokens[i];
-	      switch (token.type) {
-	        case 'paragraph':
-	        case 'text':
-	        case 'heading': {
-	          token.tokens = [];
-	          this.inlineTokens(token.text, token.tokens);
-	          break;
-	        }
-	        case 'table': {
-	          token.tokens = {
-	            header: [],
-	            cells: []
-	          };
-
-	          // header
-	          l2 = token.header.length;
-	          for (j = 0; j < l2; j++) {
-	            token.tokens.header[j] = [];
-	            this.inlineTokens(token.header[j], token.tokens.header[j]);
-	          }
-
-	          // cells
-	          l2 = token.cells.length;
-	          for (j = 0; j < l2; j++) {
-	            row = token.cells[j];
-	            token.tokens.cells[j] = [];
-	            for (k = 0; k < row.length; k++) {
-	              token.tokens.cells[j][k] = [];
-	              this.inlineTokens(row[k], token.tokens.cells[j][k]);
-	            }
-	          }
-
-	          break;
-	        }
-	        case 'blockquote': {
-	          this.inline(token.tokens);
-	          break;
-	        }
-	        case 'list': {
-	          l2 = token.items.length;
-	          for (j = 0; j < l2; j++) {
-	            this.inline(token.items[j].tokens);
-	          }
-	          break;
-	        }
-	      }
-	    }
-
-	    return tokens;
-	  }
-
-	  /**
-	   * Lexing/Compiling
-	   */
-	  inlineTokens(src, tokens = [], inLink = false, inRawBlock = false) {
-	    let token;
-
-	    while (src) {
-	      // escape
-	      if (token = this.tokenizer.escape(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // tag
-	      if (token = this.tokenizer.tag(src, inLink, inRawBlock)) {
-	        src = src.substring(token.raw.length);
-	        inLink = token.inLink;
-	        inRawBlock = token.inRawBlock;
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // link
-	      if (token = this.tokenizer.link(src)) {
-	        src = src.substring(token.raw.length);
-	        if (token.type === 'link') {
-	          token.tokens = this.inlineTokens(token.text, [], true, inRawBlock);
-	        }
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // reflink, nolink
-	      if (token = this.tokenizer.reflink(src, this.tokens.links)) {
-	        src = src.substring(token.raw.length);
-	        if (token.type === 'link') {
-	          token.tokens = this.inlineTokens(token.text, [], true, inRawBlock);
-	        }
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // strong
-	      if (token = this.tokenizer.strong(src)) {
-	        src = src.substring(token.raw.length);
-	        token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // em
-	      if (token = this.tokenizer.em(src)) {
-	        src = src.substring(token.raw.length);
-	        token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // code
-	      if (token = this.tokenizer.codespan(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // br
-	      if (token = this.tokenizer.br(src)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // del (gfm)
-	      if (token = this.tokenizer.del(src)) {
-	        src = src.substring(token.raw.length);
-	        token.tokens = this.inlineTokens(token.text, [], inLink, inRawBlock);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // autolink
-	      if (token = this.tokenizer.autolink(src, mangle)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // url (gfm)
-	      if (!inLink && (token = this.tokenizer.url(src, mangle))) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      // text
-	      if (token = this.tokenizer.inlineText(src, inRawBlock, smartypants)) {
-	        src = src.substring(token.raw.length);
-	        tokens.push(token);
-	        continue;
-	      }
-
-	      if (src) {
-	        const errMsg = 'Infinite loop on byte: ' + src.charCodeAt(0);
-	        if (this.options.silent) {
-	          console.error(errMsg);
-	          break;
-	        } else {
-	          throw new Error(errMsg);
-	        }
-	      }
-	    }
-
-	    return tokens;
-	  }
-	};
-
-	const { defaults: defaults$3 } = defaults;
-	const {
-	  cleanUrl: cleanUrl$1,
-	  escape: escape$3
-	} = helpers;
-
-	/**
-	 * Renderer
-	 */
-	var Renderer_1 = class Renderer {
-	  constructor(options) {
-	    this.options = options || defaults$3;
-	  }
-
-	  code(code, infostring, escaped) {
-	    const lang = (infostring || '').match(/\S*/)[0];
-	    if (this.options.highlight) {
-	      const out = this.options.highlight(code, lang);
-	      if (out != null && out !== code) {
-	        escaped = true;
-	        code = out;
-	      }
-	    }
-
-	    if (!lang) {
-	      return '<pre><code>'
-	        + (escaped ? code : escape$3(code, true))
-	        + '</code></pre>';
-	    }
-
-	    return '<pre><code class="'
-	      + this.options.langPrefix
-	      + escape$3(lang, true)
-	      + '">'
-	      + (escaped ? code : escape$3(code, true))
-	      + '</code></pre>\n';
-	  }
-
-	  blockquote(quote) {
-	    return '<blockquote>\n' + quote + '</blockquote>\n';
-	  }
-
-	  html(html) {
-	    return html;
-	  }
-
-	  heading(text, level, raw, slugger) {
-	    if (this.options.headerIds) {
-	      return '<h'
-	        + level
-	        + ' id="'
-	        + this.options.headerPrefix
-	        + slugger.slug(raw)
-	        + '">'
-	        + text
-	        + '</h'
-	        + level
-	        + '>\n';
-	    }
-	    // ignore IDs
-	    return '<h' + level + '>' + text + '</h' + level + '>\n';
-	  }
-
-	  hr() {
-	    return this.options.xhtml ? '<hr/>\n' : '<hr>\n';
-	  }
-
-	  list(body, ordered, start) {
-	    const type = ordered ? 'ol' : 'ul',
-	      startatt = (ordered && start !== 1) ? (' start="' + start + '"') : '';
-	    return '<' + type + startatt + '>\n' + body + '</' + type + '>\n';
-	  }
-
-	  listitem(text) {
-	    return '<li>' + text + '</li>\n';
-	  }
-
-	  checkbox(checked) {
-	    return '<input '
-	      + (checked ? 'checked="" ' : '')
-	      + 'disabled="" type="checkbox"'
-	      + (this.options.xhtml ? ' /' : '')
-	      + '> ';
-	  }
-
-	  paragraph(text) {
-	    return '<p>' + text + '</p>\n';
-	  }
-
-	  table(header, body) {
-	    if (body) body = '<tbody>' + body + '</tbody>';
-
-	    return '<table>\n'
-	      + '<thead>\n'
-	      + header
-	      + '</thead>\n'
-	      + body
-	      + '</table>\n';
-	  }
-
-	  tablerow(content) {
-	    return '<tr>\n' + content + '</tr>\n';
-	  }
-
-	  tablecell(content, flags) {
-	    const type = flags.header ? 'th' : 'td';
-	    const tag = flags.align
-	      ? '<' + type + ' align="' + flags.align + '">'
-	      : '<' + type + '>';
-	    return tag + content + '</' + type + '>\n';
-	  }
-
-	  // span level renderer
-	  strong(text) {
-	    return '<strong>' + text + '</strong>';
-	  }
-
-	  em(text) {
-	    return '<em>' + text + '</em>';
-	  }
-
-	  codespan(text) {
-	    return '<code>' + text + '</code>';
-	  }
-
-	  br() {
-	    return this.options.xhtml ? '<br/>' : '<br>';
-	  }
-
-	  del(text) {
-	    return '<del>' + text + '</del>';
-	  }
-
-	  link(href, title, text) {
-	    href = cleanUrl$1(this.options.sanitize, this.options.baseUrl, href);
-	    if (href === null) {
-	      return text;
-	    }
-	    let out = '<a href="' + escape$3(href) + '"';
-	    if (title) {
-	      out += ' title="' + title + '"';
-	    }
-	    out += '>' + text + '</a>';
-	    return out;
-	  }
-
-	  image(href, title, text) {
-	    href = cleanUrl$1(this.options.sanitize, this.options.baseUrl, href);
-	    if (href === null) {
-	      return text;
-	    }
-
-	    let out = '<img src="' + href + '" alt="' + text + '"';
-	    if (title) {
-	      out += ' title="' + title + '"';
-	    }
-	    out += this.options.xhtml ? '/>' : '>';
-	    return out;
-	  }
-
-	  text(text) {
-	    return text;
-	  }
-	};
-
-	/**
-	 * TextRenderer
-	 * returns only the textual part of the token
-	 */
-	var TextRenderer_1 = class TextRenderer {
-	  // no need for block level renderers
-	  strong(text) {
-	    return text;
-	  }
-
-	  em(text) {
-	    return text;
-	  }
-
-	  codespan(text) {
-	    return text;
-	  }
-
-	  del(text) {
-	    return text;
-	  }
-
-	  html(text) {
-	    return text;
-	  }
-
-	  text(text) {
-	    return text;
-	  }
-
-	  link(href, title, text) {
-	    return '' + text;
-	  }
-
-	  image(href, title, text) {
-	    return '' + text;
-	  }
-
-	  br() {
-	    return '';
-	  }
-	};
-
-	/**
-	 * Slugger generates header id
-	 */
-	var Slugger_1 = class Slugger {
-	  constructor() {
-	    this.seen = {};
-	  }
-
-	  /**
-	   * Convert string to unique id
-	   */
-	  slug(value) {
-	    let slug = value
-	      .toLowerCase()
-	      .trim()
-	      // remove html tags
-	      .replace(/<[!\/a-z].*?>/ig, '')
-	      // remove unwanted chars
-	      .replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, '')
-	      .replace(/\s/g, '-');
-
-	    if (this.seen.hasOwnProperty(slug)) {
-	      const originalSlug = slug;
-	      do {
-	        this.seen[originalSlug]++;
-	        slug = originalSlug + '-' + this.seen[originalSlug];
-	      } while (this.seen.hasOwnProperty(slug));
-	    }
-	    this.seen[slug] = 0;
-
-	    return slug;
-	  }
-	};
-
-	const { defaults: defaults$4 } = defaults;
-	const {
-	  unescape: unescape$2
-	} = helpers;
-
-	/**
-	 * Parsing & Compiling
-	 */
-	var Parser_1 = class Parser {
-	  constructor(options) {
-	    this.options = options || defaults$4;
-	    this.options.renderer = this.options.renderer || new Renderer_1();
-	    this.renderer = this.options.renderer;
-	    this.renderer.options = this.options;
-	    this.textRenderer = new TextRenderer_1();
-	    this.slugger = new Slugger_1();
-	  }
-
-	  /**
-	   * Static Parse Method
-	   */
-	  static parse(tokens, options) {
-	    const parser = new Parser(options);
-	    return parser.parse(tokens);
-	  }
-
-	  /**
-	   * Parse Loop
-	   */
-	  parse(tokens, top = true) {
-	    let out = '',
-	      i,
-	      j,
-	      k,
-	      l2,
-	      l3,
-	      row,
-	      cell,
-	      header,
-	      body,
-	      token,
-	      ordered,
-	      start,
-	      loose,
-	      itemBody,
-	      item,
-	      checked,
-	      task,
-	      checkbox;
-
-	    const l = tokens.length;
-	    for (i = 0; i < l; i++) {
-	      token = tokens[i];
-	      switch (token.type) {
-	        case 'space': {
-	          continue;
-	        }
-	        case 'hr': {
-	          out += this.renderer.hr();
-	          continue;
-	        }
-	        case 'heading': {
-	          out += this.renderer.heading(
-	            this.parseInline(token.tokens),
-	            token.depth,
-	            unescape$2(this.parseInline(token.tokens, this.textRenderer)),
-	            this.slugger);
-	          continue;
-	        }
-	        case 'code': {
-	          out += this.renderer.code(token.text,
-	            token.lang,
-	            token.escaped);
-	          continue;
-	        }
-	        case 'table': {
-	          header = '';
-
-	          // header
-	          cell = '';
-	          l2 = token.header.length;
-	          for (j = 0; j < l2; j++) {
-	            cell += this.renderer.tablecell(
-	              this.parseInline(token.tokens.header[j]),
-	              { header: true, align: token.align[j] }
-	            );
-	          }
-	          header += this.renderer.tablerow(cell);
-
-	          body = '';
-	          l2 = token.cells.length;
-	          for (j = 0; j < l2; j++) {
-	            row = token.tokens.cells[j];
-
-	            cell = '';
-	            l3 = row.length;
-	            for (k = 0; k < l3; k++) {
-	              cell += this.renderer.tablecell(
-	                this.parseInline(row[k]),
-	                { header: false, align: token.align[k] }
-	              );
-	            }
-
-	            body += this.renderer.tablerow(cell);
-	          }
-	          out += this.renderer.table(header, body);
-	          continue;
-	        }
-	        case 'blockquote': {
-	          body = this.parse(token.tokens);
-	          out += this.renderer.blockquote(body);
-	          continue;
-	        }
-	        case 'list': {
-	          ordered = token.ordered;
-	          start = token.start;
-	          loose = token.loose;
-	          l2 = token.items.length;
-
-	          body = '';
-	          for (j = 0; j < l2; j++) {
-	            item = token.items[j];
-	            checked = item.checked;
-	            task = item.task;
-
-	            itemBody = '';
-	            if (item.task) {
-	              checkbox = this.renderer.checkbox(checked);
-	              if (loose) {
-	                if (item.tokens[0].type === 'text') {
-	                  item.tokens[0].text = checkbox + ' ' + item.tokens[0].text;
-	                  if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && item.tokens[0].tokens[0].type === 'text') {
-	                    item.tokens[0].tokens[0].text = checkbox + ' ' + item.tokens[0].tokens[0].text;
-	                  }
-	                } else {
-	                  item.tokens.unshift({
-	                    type: 'text',
-	                    text: checkbox
-	                  });
-	                }
-	              } else {
-	                itemBody += checkbox;
-	              }
-	            }
-
-	            itemBody += this.parse(item.tokens, loose);
-	            body += this.renderer.listitem(itemBody, task, checked);
-	          }
-
-	          out += this.renderer.list(body, ordered, start);
-	          continue;
-	        }
-	        case 'html': {
-	          // TODO parse inline content if parameter markdown=1
-	          out += this.renderer.html(token.text);
-	          continue;
-	        }
-	        case 'paragraph': {
-	          out += this.renderer.paragraph(this.parseInline(token.tokens));
-	          continue;
-	        }
-	        case 'text': {
-	          body = token.tokens ? this.parseInline(token.tokens) : token.text;
-	          while (i + 1 < l && tokens[i + 1].type === 'text') {
-	            token = tokens[++i];
-	            body += '\n' + (token.tokens ? this.parseInline(token.tokens) : token.text);
-	          }
-	          out += top ? this.renderer.paragraph(body) : body;
-	          continue;
-	        }
-	        default: {
-	          const errMsg = 'Token with "' + token.type + '" type was not found.';
-	          if (this.options.silent) {
-	            console.error(errMsg);
-	            return;
-	          } else {
-	            throw new Error(errMsg);
-	          }
-	        }
-	      }
-	    }
-
-	    return out;
-	  }
-
-	  /**
-	   * Parse Inline Tokens
-	   */
-	  parseInline(tokens, renderer) {
-	    renderer = renderer || this.renderer;
-	    let out = '',
-	      i,
-	      token;
-
-	    const l = tokens.length;
-	    for (i = 0; i < l; i++) {
-	      token = tokens[i];
-	      switch (token.type) {
-	        case 'escape': {
-	          out += renderer.text(token.text);
-	          break;
-	        }
-	        case 'html': {
-	          out += renderer.html(token.text);
-	          break;
-	        }
-	        case 'link': {
-	          out += renderer.link(token.href, token.title, this.parseInline(token.tokens, renderer));
-	          break;
-	        }
-	        case 'image': {
-	          out += renderer.image(token.href, token.title, token.text);
-	          break;
-	        }
-	        case 'strong': {
-	          out += renderer.strong(this.parseInline(token.tokens, renderer));
-	          break;
-	        }
-	        case 'em': {
-	          out += renderer.em(this.parseInline(token.tokens, renderer));
-	          break;
-	        }
-	        case 'codespan': {
-	          out += renderer.codespan(token.text);
-	          break;
-	        }
-	        case 'br': {
-	          out += renderer.br();
-	          break;
-	        }
-	        case 'del': {
-	          out += renderer.del(this.parseInline(token.tokens, renderer));
-	          break;
-	        }
-	        case 'text': {
-	          out += renderer.text(token.text);
-	          break;
-	        }
-	        default: {
-	          const errMsg = 'Token with "' + token.type + '" type was not found.';
-	          if (this.options.silent) {
-	            console.error(errMsg);
-	            return;
-	          } else {
-	            throw new Error(errMsg);
-	          }
-	        }
-	      }
-	    }
-	    return out;
-	  }
-	};
-
-	const {
-	  merge: merge$3,
-	  checkSanitizeDeprecation: checkSanitizeDeprecation$1,
-	  escape: escape$4
-	} = helpers;
-	const {
-	  getDefaults,
-	  changeDefaults,
-	  defaults: defaults$5
-	} = defaults;
-
-	/**
-	 * Marked
-	 */
-	function marked(src, opt, callback) {
-	  // throw error in case of non string input
-	  if (typeof src === 'undefined' || src === null) {
-	    throw new Error('marked(): input parameter is undefined or null');
-	  }
-	  if (typeof src !== 'string') {
-	    throw new Error('marked(): input parameter is of type '
-	      + Object.prototype.toString.call(src) + ', string expected');
-	  }
-
-	  if (callback || typeof opt === 'function') {
-	    if (!callback) {
-	      callback = opt;
-	      opt = null;
-	    }
-
-	    opt = merge$3({}, marked.defaults, opt || {});
-	    checkSanitizeDeprecation$1(opt);
-	    const highlight = opt.highlight;
-	    let tokens,
-	      pending,
-	      i = 0;
-
-	    try {
-	      tokens = Lexer_1.lex(src, opt);
-	    } catch (e) {
-	      return callback(e);
-	    }
-
-	    pending = tokens.length;
-
-	    const done = function(err) {
-	      if (err) {
-	        opt.highlight = highlight;
-	        return callback(err);
-	      }
-
-	      let out;
-
-	      try {
-	        out = Parser_1.parse(tokens, opt);
-	      } catch (e) {
-	        err = e;
-	      }
-
-	      opt.highlight = highlight;
-
-	      return err
-	        ? callback(err)
-	        : callback(null, out);
-	    };
-
-	    if (!highlight || highlight.length < 3) {
-	      return done();
-	    }
-
-	    delete opt.highlight;
-
-	    if (!pending) return done();
-
-	    for (; i < tokens.length; i++) {
-	      (function(token) {
-	        if (token.type !== 'code') {
-	          return --pending || done();
-	        }
-	        return highlight(token.text, token.lang, function(err, code) {
-	          if (err) return done(err);
-	          if (code == null || code === token.text) {
-	            return --pending || done();
-	          }
-	          token.text = code;
-	          token.escaped = true;
-	          --pending || done();
-	        });
-	      })(tokens[i]);
-	    }
-
-	    return;
-	  }
-	  try {
-	    opt = merge$3({}, marked.defaults, opt || {});
-	    checkSanitizeDeprecation$1(opt);
-	    return Parser_1.parse(Lexer_1.lex(src, opt), opt);
-	  } catch (e) {
-	    e.message += '\nPlease report this to https://github.com/markedjs/marked.';
-	    if ((opt || marked.defaults).silent) {
-	      return '<p>An error occurred:</p><pre>'
-	        + escape$4(e.message + '', true)
-	        + '</pre>';
-	    }
-	    throw e;
-	  }
-	}
-
-	/**
-	 * Options
-	 */
-
-	marked.options =
-	marked.setOptions = function(opt) {
-	  merge$3(marked.defaults, opt);
-	  changeDefaults(marked.defaults);
-	  return marked;
-	};
-
-	marked.getDefaults = getDefaults;
-
-	marked.defaults = defaults$5;
-
-	/**
-	 * Use Extension
-	 */
-
-	marked.use = function(extension) {
-	  const opts = merge$3({}, extension);
-	  if (extension.renderer) {
-	    const renderer = marked.defaults.renderer || new Renderer_1();
-	    for (const prop in extension.renderer) {
-	      const prevRenderer = renderer[prop];
-	      renderer[prop] = (...args) => {
-	        let ret = extension.renderer[prop].apply(renderer, args);
-	        if (ret === false) {
-	          ret = prevRenderer.apply(renderer, args);
-	        }
-	        return ret;
-	      };
-	    }
-	    opts.renderer = renderer;
-	  }
-	  if (extension.tokenizer) {
-	    const tokenizer = marked.defaults.tokenizer || new Tokenizer_1();
-	    for (const prop in extension.tokenizer) {
-	      const prevTokenizer = tokenizer[prop];
-	      tokenizer[prop] = (...args) => {
-	        let ret = extension.tokenizer[prop].apply(tokenizer, args);
-	        if (ret === false) {
-	          ret = prevTokenizer.apply(tokenizer, args);
-	        }
-	        return ret;
-	      };
-	    }
-	    opts.tokenizer = tokenizer;
-	  }
-	  marked.setOptions(opts);
-	};
-
-	/**
-	 * Expose
-	 */
-
-	marked.Parser = Parser_1;
-	marked.parser = Parser_1.parse;
-
-	marked.Renderer = Renderer_1;
-	marked.TextRenderer = TextRenderer_1;
-
-	marked.Lexer = Lexer_1;
-	marked.lexer = Lexer_1.lex;
-
-	marked.Tokenizer = Tokenizer_1;
-
-	marked.Slugger = Slugger_1;
-
-	marked.parse = marked;
-
-	var marked_1 = marked;
-
-	const tiler$2 = utilTiler();
-	const dispatch$3 = dispatch('loaded');
-	const _tileZoom$2 = 14;
-	const _osmoseUrlRoot = 'https://osmose.openstreetmap.fr/api/0.3';
-	let _osmoseData = { icons: {}, items: [] };
-
-	// This gets reassigned if reset
-	let _cache$2;
-
-	function abortRequest$2(controller) {
-	  if (controller) {
-	    controller.abort();
-	  }
-	}
-
-	function abortUnwantedRequests$2(cache, tiles) {
-	  Object.keys(cache.inflightTile).forEach(k => {
-	    let wanted = tiles.find(tile => k === tile.id);
-	    if (!wanted) {
-	      abortRequest$2(cache.inflightTile[k]);
-	      delete cache.inflightTile[k];
-	    }
-	  });
-	}
-
-	function encodeIssueRtree$2(d) {
-	  return { minX: d.loc[0], minY: d.loc[1], maxX: d.loc[0], maxY: d.loc[1], data: d };
-	}
-
-	// Replace or remove QAItem from rtree
-	function updateRtree$2(item, replace) {
-	  _cache$2.rtree.remove(item, (a, b) => a.data.id === b.data.id);
-
-	  if (replace) {
-	    _cache$2.rtree.insert(item);
-	  }
-	}
-
-	// Issues shouldn't obscure eachother
-	function preventCoincident$1(loc) {
-	  let coincident = false;
-	  do {
-	    // first time, move marker up. after that, move marker right.
-	    let delta = coincident ? [0.00001, 0] : [0, 0.00001];
-	    loc = geoVecAdd(loc, delta);
-	    let bbox = geoExtent(loc).bbox();
-	    coincident = _cache$2.rtree.search(bbox).length;
-	  } while (coincident);
-
-	  return loc;
-	}
-
-	var serviceOsmose = {
-	  title: 'osmose',
-
-	  init() {
-	    _mainFileFetcher.get('qa_data')
-	      .then(d => {
-	        _osmoseData = d.osmose;
-	        _osmoseData.items = Object.keys(d.osmose.icons)
-	          .map(s => s.split('-')[0])
-	          .reduce((unique, item) => unique.indexOf(item) !== -1 ? unique : [...unique, item], []);
-	      });
-
-	    if (!_cache$2) {
-	      this.reset();
-	    }
-
-	    this.event = utilRebind(this, dispatch$3, 'on');
-	  },
-
-	  reset() {
-	    let _strings = {};
-	    let _colors = {};
-	    if (_cache$2) {
-	      Object.values(_cache$2.inflightTile).forEach(abortRequest$2);
-	      // Strings and colors are static and should not be re-populated
-	      _strings = _cache$2.strings;
-	      _colors = _cache$2.colors;
-	    }
-	    _cache$2 = {
-	      data: {},
-	      loadedTile: {},
-	      inflightTile: {},
-	      inflightPost: {},
-	      closed: {},
-	      rtree: new RBush(),
-	      strings: _strings,
-	      colors: _colors
-	    };
-	  },
-
-	  loadIssues(projection) {
-	    let params = {
-	      // Tiles return a maximum # of issues
-	      // So we want to filter our request for only types iD supports
-	      item: _osmoseData.items
-	    };
-
-	    // determine the needed tiles to cover the view
-	    let tiles = tiler$2
-	      .zoomExtent([_tileZoom$2, _tileZoom$2])
-	      .getTiles(projection);
-
-	    // abort inflight requests that are no longer needed
-	    abortUnwantedRequests$2(_cache$2, tiles);
-
-	    // issue new requests..
-	    tiles.forEach(tile => {
-	      if (_cache$2.loadedTile[tile.id] || _cache$2.inflightTile[tile.id]) return;
-
-	      let [ x, y, z ] = tile.xyz;
-	      let url = `${_osmoseUrlRoot}/issues/${z}/${x}/${y}.json?` + utilQsString(params);
-
-	      let controller = new AbortController();
-	      _cache$2.inflightTile[tile.id] = controller;
-
-	      d3_json(url, { signal: controller.signal })
-	        .then(data => {
-	          delete _cache$2.inflightTile[tile.id];
-	          _cache$2.loadedTile[tile.id] = true;
-
-	          if (data.features) {
-	            data.features.forEach(issue => {
-	              const { item, class: cl, uuid: id } = issue.properties;
-	              /* Osmose issues are uniquely identified by a unique
-	                `item` and `class` combination (both integer values) */
-	              const itemType = `${item}-${cl}`;
-
-	              // Filter out unsupported issue types (some are too specific or advanced)
-	              if (itemType in _osmoseData.icons) {
-	                let loc = issue.geometry.coordinates; // lon, lat
-	                loc = preventCoincident$1(loc);
-
-	                let d = new QAItem(loc, this, itemType, id, { item });
-
-	                // Setting elems here prevents UI detail requests
-	                if (item === 8300 || item === 8360) {
-	                  d.elems = [];
-	                }
-
-	                _cache$2.data[d.id] = d;
-	                _cache$2.rtree.insert(encodeIssueRtree$2(d));
-	              }
-	            });
-	          }
-
-	          dispatch$3.call('loaded');
-	        })
-	        .catch(() => {
-	          delete _cache$2.inflightTile[tile.id];
-	          _cache$2.loadedTile[tile.id] = true;
-	        });
-	    });
-	  },
-
-	  loadIssueDetail(issue) {
-	    // Issue details only need to be fetched once
-	    if (issue.elems !== undefined) {
-	      return Promise.resolve(issue);
-	    }
-
-	    const url = `${_osmoseUrlRoot}/issue/${issue.id}?langs=${_mainLocalizer.localeCode()}`;
-	    const cacheDetails = data => {
-	      // Associated elements used for highlighting
-	      // Assign directly for immediate use in the callback
-	      issue.elems = data.elems.map(e => e.type.substring(0,1) + e.id);
-
-	      // Some issues have instance specific detail in a subtitle
-	      issue.detail = data.subtitle ? marked_1(data.subtitle.auto) : '';
-
-	      this.replaceItem(issue);
-	    };
-
-	    return d3_json(url).then(cacheDetails).then(() => issue);
-	  },
-
-	  loadStrings(locale=_mainLocalizer.localeCode()) {
-	    const items = Object.keys(_osmoseData.icons);
-
-	    if (
-	      locale in _cache$2.strings
-	      && Object.keys(_cache$2.strings[locale]).length === items.length
-	    ) {
-	        return Promise.resolve(_cache$2.strings[locale]);
-	    }
-
-	    // May be partially populated already if some requests were successful
-	    if (!(locale in _cache$2.strings)) {
-	      _cache$2.strings[locale] = {};
-	    }
-
-	    // Only need to cache strings for supported issue types
-	    // Using multiple individual item + class requests to reduce fetched data size
-	    const allRequests = items.map(itemType => {
-	      // No need to request data we already have
-	      if (itemType in _cache$2.strings[locale]) return;
-
-	      const cacheData = data => {
-	        // Bunch of nested single value arrays of objects
-	        const [ cat = {items:[]} ] = data.categories;
-	        const [ item = {class:[]} ] = cat.items;
-	        const [ cl = null ] = item.class;
-
-	        // If null default value is reached, data wasn't as expected (or was empty)
-	        if (!cl) {
-	          /* eslint-disable no-console */
-	          console.log(`Osmose strings request (${itemType}) had unexpected data`);
-	          /* eslint-enable no-console */
-	          return;
-	        }
-
-	        // Cache served item colors to automatically style issue markers later
-	        const { item: itemInt, color } = item;
-	        if (/^#[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}/.test(color)) {
-	          _cache$2.colors[itemInt] = color;
-	        }
-
-	        // Value of root key will be null if no string exists
-	        // If string exists, value is an object with key 'auto' for string
-	        const { title, detail, fix, trap } = cl;
-
-	        // Osmose titles shouldn't contain markdown
-	        let issueStrings = {};
-	        if (title) issueStrings.title = title.auto;
-	        if (detail) issueStrings.detail = marked_1(detail.auto);
-	        if (trap) issueStrings.trap = marked_1(trap.auto);
-	        if (fix) issueStrings.fix = marked_1(fix.auto);
-
-	        _cache$2.strings[locale][itemType] = issueStrings;
-	      };
-
-	      const [ item, cl ] = itemType.split('-');
-
-	      // Osmose API falls back to English strings where untranslated or if locale doesn't exist
-	      const url = `${_osmoseUrlRoot}/items/${item}/class/${cl}?langs=${locale}`;
-
-	      return d3_json(url).then(cacheData);
-	    });
-
-	    return Promise.all(allRequests).then(() => _cache$2.strings[locale]);
-	  },
-
-	  getStrings(itemType, locale=_mainLocalizer.localeCode()) {
-	    // No need to fallback to English, Osmose API handles this for us
-	    return (locale in _cache$2.strings) ? _cache$2.strings[locale][itemType] : {};
-	  },
-
-	  getColor(itemType) {
-	    return (itemType in _cache$2.colors) ? _cache$2.colors[itemType] : '#FFFFFF';
-	  },
-
-	  postUpdate(issue, callback) {
-	    if (_cache$2.inflightPost[issue.id]) {
-	      return callback({ message: 'Issue update already inflight', status: -2 }, issue);
-	    }
-
-	    // UI sets the status to either 'done' or 'false'
-	    const url = `${_osmoseUrlRoot}/issue/${issue.id}/${issue.newStatus}`;
-	    const controller = new AbortController();
-	    const after = () => {
-	      delete _cache$2.inflightPost[issue.id];
-
-	      this.removeItem(issue);
-	      if (issue.newStatus === 'done') {
-	        // Keep track of the number of issues closed per `item` to tag the changeset
-	        if (!(issue.item in _cache$2.closed)) {
-	          _cache$2.closed[issue.item] = 0;
-	        }
-	        _cache$2.closed[issue.item] += 1;
-	      }
-	      if (callback) callback(null, issue);
-	    };
-
-	    _cache$2.inflightPost[issue.id] = controller;
-
-	    fetch(url, { signal: controller.signal })
-	      .then(after)
-	      .catch(err => {
-	        delete _cache$2.inflightPost[issue.id];
-	        if (callback) callback(err.message);
-	      });
-	  },
-
-	  // Get all cached QAItems covering the viewport
-	  getItems(projection) {
-	    const viewport = projection.clipExtent();
-	    const min = [viewport[0][0], viewport[1][1]];
-	    const max = [viewport[1][0], viewport[0][1]];
-	    const bbox = geoExtent(projection.invert(min), projection.invert(max)).bbox();
-
-	    return _cache$2.rtree.search(bbox).map(d => d.data);
-	  },
-
-	  // Get a QAItem from cache
-	  // NOTE: Don't change method name until UI v3 is merged
-	  getError(id) {
-	    return _cache$2.data[id];
-	  },
-
-	  // get the name of the icon to display for this item
-	  getIcon(itemType) {
-	    return _osmoseData.icons[itemType];
-	  },
-
-	  // Replace a single QAItem in the cache
-	  replaceItem(item) {
-	    if (!(item instanceof QAItem) || !item.id) return;
-
-	    _cache$2.data[item.id] = item;
-	    updateRtree$2(encodeIssueRtree$2(item), true); // true = replace
-	    return item;
-	  },
-
-	  // Remove a single QAItem from the cache
-	  removeItem(item) {
-	    if (!(item instanceof QAItem) || !item.id) return;
-
-	    delete _cache$2.data[item.id];
-	    updateRtree$2(encodeIssueRtree$2(item), false); // false = remove
-	  },
-
-	  // Used to populate `closed:osmose:*` changeset tags
-	  getClosedCounts() {
-	    return _cache$2.closed;
-	  },
-
-	  itemURL(item) {
-	    return `https://osmose.openstreetmap.fr/en/error/${item.id}`;
-	  }
-	};
-
-	/*
-	    A standalone SVG element that contains only a `defs` sub-element. To be
-	    used once globally, since defs IDs must be unique within a document.
-	*/
-	function svgDefs(context) {
-
-	    function drawDefs(selection) {
-	        var defs = selection.append('defs');
-
-	        // add markers
-	        defs
-	            .append('marker')
-	            .attr('id', 'ideditor-oneway-marker')
-	            .attr('viewBox', '0 0 10 5')
-	            .attr('refX', 2.5)
-	            .attr('refY', 2.5)
-	            .attr('markerWidth', 2)
-	            .attr('markerHeight', 2)
-	            .attr('markerUnits', 'strokeWidth')
-	            .attr('orient', 'auto')
-	            .append('path')
-	            .attr('class', 'oneway-marker-path')
-	            .attr('d', 'M 5,3 L 0,3 L 0,2 L 5,2 L 5,0 L 10,2.5 L 5,5 z')
-	            .attr('stroke', 'none')
-	            .attr('fill', '#000')
-	            .attr('opacity', '0.75');
-
-	        // SVG markers have to be given a colour where they're defined
-	        // (they can't inherit it from the line they're attached to),
-	        // so we need to manually define markers for each color of tag
-	        // (also, it's slightly nicer if we can control the
-	        // positioning for different tags)
-	        function addSidedMarker(name, color, offset) {
-	            defs
-	                .append('marker')
-	                .attr('id', 'ideditor-sided-marker-' + name)
-	                .attr('viewBox', '0 0 2 2')
-	                .attr('refX', 1)
-	                .attr('refY', -offset)
-	                .attr('markerWidth', 1.5)
-	                .attr('markerHeight', 1.5)
-	                .attr('markerUnits', 'strokeWidth')
-	                .attr('orient', 'auto')
-	                .append('path')
-	                .attr('class', 'sided-marker-path sided-marker-' + name + '-path')
-	                .attr('d', 'M 0,0 L 1,1 L 2,0 z')
-	                .attr('stroke', 'none')
-	                .attr('fill', color);
-	        }
-	        addSidedMarker('natural', 'rgb(170, 170, 170)', 0);
-	        // for a coastline, the arrows are (somewhat unintuitively) on
-	        // the water side, so let's color them blue (with a gap) to
-	        // give a stronger indication
-	        addSidedMarker('coastline', '#77dede', 1);
-	        addSidedMarker('waterway', '#77dede', 1);
-	        // barriers have a dashed line, and separating the triangle
-	        // from the line visually suits that
-	        addSidedMarker('barrier', '#ddd', 1);
-	        addSidedMarker('man_made', '#fff', 0);
-
-	        defs
-	            .append('marker')
-	            .attr('id', 'ideditor-viewfield-marker')
-	            .attr('viewBox', '0 0 16 16')
-	            .attr('refX', 8)
-	            .attr('refY', 16)
-	            .attr('markerWidth', 4)
-	            .attr('markerHeight', 4)
-	            .attr('markerUnits', 'strokeWidth')
-	            .attr('orient', 'auto')
-	            .append('path')
-	            .attr('class', 'viewfield-marker-path')
-	            .attr('d', 'M 6,14 C 8,13.4 8,13.4 10,14 L 16,3 C 12,0 4,0 0,3 z')
-	            .attr('fill', '#333')
-	            .attr('fill-opacity', '0.75')
-	            .attr('stroke', '#fff')
-	            .attr('stroke-width', '0.5px')
-	            .attr('stroke-opacity', '0.75');
-
-	        defs
-	            .append('marker')
-	            .attr('id', 'ideditor-viewfield-marker-wireframe')
-	            .attr('viewBox', '0 0 16 16')
-	            .attr('refX', 8)
-	            .attr('refY', 16)
-	            .attr('markerWidth', 4)
-	            .attr('markerHeight', 4)
-	            .attr('markerUnits', 'strokeWidth')
-	            .attr('orient', 'auto')
-	            .append('path')
-	            .attr('class', 'viewfield-marker-path')
-	            .attr('d', 'M 6,14 C 8,13.4 8,13.4 10,14 L 16,3 C 12,0 4,0 0,3 z')
-	            .attr('fill', 'none')
-	            .attr('stroke', '#fff')
-	            .attr('stroke-width', '0.5px')
-	            .attr('stroke-opacity', '0.75');
-
-	        // add patterns
-	        var patterns = defs.selectAll('pattern')
-	            .data([
-	                // pattern name, pattern image name
-	                ['beach', 'dots'],
-	                ['construction', 'construction'],
-	                ['cemetery', 'cemetery'],
-	                ['cemetery_christian', 'cemetery_christian'],
-	                ['cemetery_buddhist', 'cemetery_buddhist'],
-	                ['cemetery_muslim', 'cemetery_muslim'],
-	                ['cemetery_jewish', 'cemetery_jewish'],
-	                ['farmland', 'farmland'],
-	                ['farmyard', 'farmyard'],
-	                ['forest', 'forest'],
-	                ['forest_broadleaved', 'forest_broadleaved'],
-	                ['forest_needleleaved', 'forest_needleleaved'],
-	                ['forest_leafless', 'forest_leafless'],
-	                ['golf_green', 'grass'],
-	                ['grass', 'grass'],
-	                ['landfill', 'landfill'],
-	                ['meadow', 'grass'],
-	                ['orchard', 'orchard'],
-	                ['pond', 'pond'],
-	                ['quarry', 'quarry'],
-	                ['scrub', 'bushes'],
-	                ['vineyard', 'vineyard'],
-	                ['water_standing', 'lines'],
-	                ['waves', 'waves'],
-	                ['wetland', 'wetland'],
-	                ['wetland_marsh', 'wetland_marsh'],
-	                ['wetland_swamp', 'wetland_swamp'],
-	                ['wetland_bog', 'wetland_bog'],
-	                ['wetland_reedbed', 'wetland_reedbed']
-	            ])
-	            .enter()
-	            .append('pattern')
-	            .attr('id', function (d) { return 'ideditor-pattern-' + d[0]; })
-	            .attr('width', 32)
-	            .attr('height', 32)
-	            .attr('patternUnits', 'userSpaceOnUse');
-
-	        patterns
-	            .append('rect')
-	            .attr('x', 0)
-	            .attr('y', 0)
-	            .attr('width', 32)
-	            .attr('height', 32)
-	            .attr('class', function (d) { return 'pattern-color-' + d[0]; });
-
-	        patterns
-	            .append('image')
-	            .attr('x', 0)
-	            .attr('y', 0)
-	            .attr('width', 32)
-	            .attr('height', 32)
-	            .attr('xlink:href', function (d) {
-	                return context.imagePath('pattern/' + d[1] + '.png');
-	            });
-
-	        // add clip paths
-	        defs.selectAll('clipPath')
-	            .data([12, 18, 20, 32, 45])
-	            .enter()
-	            .append('clipPath')
-	            .attr('id', function (d) { return 'ideditor-clip-square-' + d; })
-	            .append('rect')
-	            .attr('x', 0)
-	            .attr('y', 0)
-	            .attr('width', function (d) { return d; })
-	            .attr('height', function (d) { return d; });
-
-	        // add symbol spritesheets
-	        defs
-	            .call(drawDefs.addSprites, [
-	                'iD-sprite', 'maki-sprite', 'temaki-sprite', 'fa-sprite', 'tnp-sprite', 'community-sprite'
-	            ], true);
-	    }
-
-
-	    drawDefs.addSprites = function(selection, ids, overrideColors) {
-	        var spritesheets = selection.selectAll('.spritesheet');
-	        var currData = spritesheets.data();
-	        var data = utilArrayUniq(currData.concat(ids));
-
-	        spritesheets
-	            .data(data)
-	            .enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'spritesheet spritesheet-' + d; })
-	            .each(function(d) {
-	                var url = context.imagePath(d + '.svg');
-	                var node = select(this).node();
-
-	                svg(url)
-	                    .then(function(svg) {
-	                        node.appendChild(
-	                            select(svg.documentElement).attr('id', 'ideditor-' + d).node()
-	                        );
-	                        if (overrideColors && d !== 'iD-sprite') {   // allow icon colors to be overridden..
-	                            select(node).selectAll('path')
-	                                .attr('fill', 'currentColor');
-	                        }
-	                    })
-	                    .catch(function() {
-	                        /* ignore */
-	                    });
-	            });
-	    };
-
-
-	    return drawDefs;
-	}
-
-	/* global Mapillary:false */
-
-
-	var apibase = 'https://a.mapillary.com/v3/';
-	var viewercss = 'mapillary-js/mapillary.min.css';
-	var viewerjs = 'mapillary-js/mapillary.min.js';
-	var clientId = 'NzNRM2otQkR2SHJzaXJmNmdQWVQ0dzo1ZWYyMmYwNjdmNDdlNmVi';
-	var mapFeatureConfig = {
-	    values: [
-	        'construction--flat--crosswalk-plain',
-	        'marking--discrete--crosswalk-zebra',
-	        'object--banner',
-	        'object--bench',
-	        'object--bike-rack',
-	        'object--billboard',
-	        'object--catch-basin',
-	        'object--cctv-camera',
-	        'object--fire-hydrant',
-	        'object--mailbox',
-	        'object--manhole',
-	        'object--phone-booth',
-	        'object--sign--advertisement',
-	        'object--sign--information',
-	        'object--sign--store',
-	        'object--street-light',
-	        'object--support--utility-pole',
-	        'object--traffic-light--*',
-	        'object--traffic-light--pedestrians',
-	        'object--trash-can'
-	    ].join(',')
-	};
-	var maxResults = 1000;
-	var tileZoom = 14;
-	var tiler$3 = utilTiler().zoomExtent([tileZoom, tileZoom]).skipNullIsland(true);
-	var dispatch$4 = dispatch('loadedImages', 'loadedSigns', 'loadedMapFeatures', 'bearingChanged');
-	var _mlyFallback = false;
-	var _mlyCache;
-	var _mlyClicks;
-	var _mlySelectedImageKey;
-	var _mlyViewer;
-
-
-	function abortRequest$3(controller) {
-	    controller.abort();
-	}
-
-
-	function maxPageAtZoom(z) {
-	    if (z < 15)   return 2;
-	    if (z === 15) return 5;
-	    if (z === 16) return 10;
-	    if (z === 17) return 20;
-	    if (z === 18) return 40;
-	    if (z > 18)   return 80;
-	}
-
-
-	function loadTiles(which, url, projection) {
-	    var currZoom = Math.floor(geoScaleToZoom(projection.scale()));
-	    var tiles = tiler$3.getTiles(projection);
-
-	    // abort inflight requests that are no longer needed
-	    var cache = _mlyCache[which];
-	    Object.keys(cache.inflight).forEach(function(k) {
-	        var wanted = tiles.find(function(tile) { return k.indexOf(tile.id + ',') === 0; });
-	        if (!wanted) {
-	            abortRequest$3(cache.inflight[k]);
-	            delete cache.inflight[k];
-	        }
-	    });
-
-	    tiles.forEach(function(tile) {
-	        loadNextTilePage(which, currZoom, url, tile);
-	    });
-	}
-
-
-	function loadNextTilePage(which, currZoom, url, tile) {
-	    var cache = _mlyCache[which];
-	    var rect = tile.extent.rectangle();
-	    var maxPages = maxPageAtZoom(currZoom);
-	    var nextPage = cache.nextPage[tile.id] || 0;
-	    var nextURL = cache.nextURL[tile.id] || url +
-	        utilQsString({
-	            per_page: maxResults,
-	            page: nextPage,
-	            client_id: clientId,
-	            bbox: [rect[0], rect[1], rect[2], rect[3]].join(','),
-	        });
-
-	    if (nextPage > maxPages) return;
-
-	    var id = tile.id + ',' + String(nextPage);
-	    if (cache.loaded[id] || cache.inflight[id]) return;
-
-	    var controller = new AbortController();
-	    cache.inflight[id] = controller;
-
-	    var options = {
-	        method: 'GET',
-	        signal: controller.signal,
-	        headers: { 'Content-Type': 'application/json' }
-	    };
-
-	    fetch(nextURL, options)
-	        .then(function(response) {
-	            if (!response.ok) {
-	                throw new Error(response.status + ' ' + response.statusText);
-	            }
-	            var linkHeader = response.headers.get('Link');
-	            if (linkHeader) {
-	                var pagination = parsePagination(linkHeader);
-	                if (pagination.next) {
-	                    cache.nextURL[tile.id] = pagination.next;
-	                }
-	            }
-	            return response.json();
-	        })
-	        .then(function(data) {
-	            cache.loaded[id] = true;
-	            delete cache.inflight[id];
-	            if (!data || !data.features || !data.features.length) {
-	                throw new Error('No Data');
-	            }
-
-	            var features = data.features.map(function(feature) {
-	                var loc = feature.geometry.coordinates;
-	                var d;
-
-	                // An image (shown as a green dot on the map) is a single street photo with extra
-	                // information such as location, camera angle (CA), camera model, and so on.
-	                // Each image feature is a GeoJSON Point
-	                if (which === 'images') {
-	                    d = {
-	                        loc: loc,
-	                        key: feature.properties.key,
-	                        ca: feature.properties.ca,
-	                        captured_at: feature.properties.captured_at,
-	                        captured_by: feature.properties.username,
-	                        pano: feature.properties.pano
-	                    };
-
-	                    cache.forImageKey[d.key] = d;     // cache imageKey -> image
-
-	                // Mapillary organizes images as sequences. A sequence of images are continuously captured
-	                // by a user at a give time. Sequences are shown on the map as green lines.
-	                // Each sequence feature is a GeoJSON LineString
-	                } else if (which === 'sequences') {
-	                    var sequenceKey = feature.properties.key;
-	                    cache.lineString[sequenceKey] = feature;           // cache sequenceKey -> lineString
-	                    feature.properties.coordinateProperties.image_keys.forEach(function(imageKey) {
-	                        cache.forImageKey[imageKey] = sequenceKey;     // cache imageKey -> sequenceKey
-	                    });
-	                    return false;    // because no `d` data worth loading into an rbush
-
-	                // An image detection is a semantic pixel area on an image. The area could indicate
-	                // sky, trees, sidewalk in the image. A detection can be a polygon, a bounding box, or a point.
-	                // Each image_detection feature is a GeoJSON Point (located where the image was taken)
-	                } else if (which === 'image_detections') {
-	                    d = {
-	                        key: feature.properties.key,
-	                        image_key: feature.properties.image_key,
-	                        value: feature.properties.value,
-	                        package: feature.properties.package,
-	                        shape: feature.properties.shape
-	                    };
-
-	                    // cache imageKey -> image_detections
-	                    if (!cache.forImageKey[d.image_key]) {
-	                        cache.forImageKey[d.image_key] = [];
-	                    }
-	                    cache.forImageKey[d.image_key].push(d);
-	                    return false;    // because no `d` data worth loading into an rbush
-
-
-	                // A map feature is a real world object that can be shown on a map. It could be any object
-	                // recognized from images, manually added in images, or added on the map.
-	                // Each map feature is a GeoJSON Point (located where the feature is)
-	                } else if (which === 'map_features' || which === 'points') {
-	                    d = {
-	                        loc: loc,
-	                        key: feature.properties.key,
-	                        value: feature.properties.value,
-	                        package: feature.properties.package,
-	                        detections: feature.properties.detections
-	                    };
-	                }
-
-	                return {
-	                    minX: loc[0], minY: loc[1], maxX: loc[0], maxY: loc[1], data: d
-	                };
-
-	            }).filter(Boolean);
-
-	            if (cache.rtree && features) {
-	                cache.rtree.load(features);
-	            }
-
-	            if (data.features.length === maxResults) {  // more pages to load
-	                cache.nextPage[tile.id] = nextPage + 1;
-	                loadNextTilePage(which, currZoom, url, tile);
-	            } else {
-	                cache.nextPage[tile.id] = Infinity;     // no more pages to load
-	            }
-
-	            if (which === 'images' || which === 'sequences') {
-	                dispatch$4.call('loadedImages');
-	            } else if (which === 'map_features') {
-	                dispatch$4.call('loadedSigns');
-	            } else if (which === 'points') {
-	                dispatch$4.call('loadedMapFeatures');
-	            }
-	        })
-	        .catch(function() {
-	            cache.loaded[id] = true;
-	            delete cache.inflight[id];
-	        });
-	}
-
-	// extract links to pages of API results
-	function parsePagination(links) {
-	    return links.split(',').map(function(rel) {
-	        var elements = rel.split(';');
-	        if (elements.length === 2) {
-	            return [
-	                /<(.+)>/.exec(elements[0])[1],
-	                /rel="(.+)"/.exec(elements[1])[1]
-	            ];
-	        } else {
-	            return ['',''];
-	        }
-	    }).reduce(function(pagination, val) {
-	        pagination[val[1]] = val[0];
-	        return pagination;
-	    }, {});
-	}
-
-
-	// partition viewport into higher zoom tiles
-	function partitionViewport(projection) {
-	    var z = geoScaleToZoom(projection.scale());
-	    var z2 = (Math.ceil(z * 2) / 2) + 2.5;   // round to next 0.5 and add 2.5
-	    var tiler = utilTiler().zoomExtent([z2, z2]);
-
-	    return tiler.getTiles(projection)
-	        .map(function(tile) { return tile.extent; });
-	}
-
-
-	// no more than `limit` results per partition.
-	function searchLimited(limit, projection, rtree) {
-	    limit = limit || 5;
-
-	    return partitionViewport(projection)
-	        .reduce(function(result, extent) {
-	            var found = rtree.search(extent.bbox())
-	                .slice(0, limit)
-	                .map(function(d) { return d.data; });
-
-	            return (found.length ? result.concat(found) : result);
-	        }, []);
-	}
-
-
-
-	var serviceMapillary = {
-
-	    init: function() {
-	        if (!_mlyCache) {
-	            this.reset();
-	        }
-
-	        this.event = utilRebind(this, dispatch$4, 'on');
-	    },
-
-	    reset: function() {
-	        if (_mlyCache) {
-	            Object.values(_mlyCache.images.inflight).forEach(abortRequest$3);
-	            Object.values(_mlyCache.image_detections.inflight).forEach(abortRequest$3);
-	            Object.values(_mlyCache.map_features.inflight).forEach(abortRequest$3);
-	            Object.values(_mlyCache.points.inflight).forEach(abortRequest$3);
-	            Object.values(_mlyCache.sequences.inflight).forEach(abortRequest$3);
-	        }
-
-	        _mlyCache = {
-	            images: { inflight: {}, loaded: {}, nextPage: {}, nextURL: {}, rtree: new RBush(), forImageKey: {} },
-	            image_detections: { inflight: {}, loaded: {}, nextPage: {}, nextURL: {}, forImageKey: {} },
-	            map_features: { inflight: {}, loaded: {}, nextPage: {}, nextURL: {}, rtree: new RBush() },
-	            points: { inflight: {}, loaded: {}, nextPage: {}, nextURL: {}, rtree: new RBush() },
-	            sequences: { inflight: {}, loaded: {}, nextPage: {}, nextURL: {}, rtree: new RBush(), forImageKey: {}, lineString: {} }
-	        };
-
-	        _mlySelectedImageKey = null;
-	        _mlyClicks = [];
-	    },
-
-
-	    images: function(projection) {
-	        var limit = 5;
-	        return searchLimited(limit, projection, _mlyCache.images.rtree);
-	    },
-
-
-	    signs: function(projection) {
-	        var limit = 5;
-	        return searchLimited(limit, projection, _mlyCache.map_features.rtree);
-	    },
-
-
-	    mapFeatures: function(projection) {
-	        var limit = 5;
-	        return searchLimited(limit, projection, _mlyCache.points.rtree);
-	    },
-
-
-	    cachedImage: function(imageKey) {
-	        return _mlyCache.images.forImageKey[imageKey];
-	    },
-
-
-	    sequences: function(projection) {
-	        var viewport = projection.clipExtent();
-	        var min = [viewport[0][0], viewport[1][1]];
-	        var max = [viewport[1][0], viewport[0][1]];
-	        var bbox = geoExtent(projection.invert(min), projection.invert(max)).bbox();
-	        var sequenceKeys = {};
-
-	        // all sequences for images in viewport
-	        _mlyCache.images.rtree.search(bbox)
-	            .forEach(function(d) {
-	                var sequenceKey = _mlyCache.sequences.forImageKey[d.data.key];
-	                if (sequenceKey) {
-	                    sequenceKeys[sequenceKey] = true;
-	                }
-	            });
-
-	        // Return lineStrings for the sequences
-	        return Object.keys(sequenceKeys).map(function(sequenceKey) {
-	            return _mlyCache.sequences.lineString[sequenceKey];
-	        });
-	    },
-
-
-	    signsSupported: function() {
-	        return true;
-	    },
-
-
-	    loadImages: function(projection) {
-	        loadTiles('images', apibase + 'images?sort_by=key&', projection);
-	        loadTiles('sequences', apibase + 'sequences?sort_by=key&', projection);
-	    },
-
-
-	    loadSigns: function(projection) {
-	        // if we are looking at signs, we'll actually need to fetch images too
-	        loadTiles('images', apibase + 'images?sort_by=key&', projection);
-	        loadTiles('map_features', apibase + 'map_features?layers=trafficsigns&min_nbr_image_detections=2&sort_by=key&', projection);
-	        loadTiles('image_detections', apibase + 'image_detections?layers=trafficsigns&sort_by=key&', projection);
-	    },
-
-
-	    loadMapFeatures: function(projection) {
-	        // if we are looking at signs, we'll actually need to fetch images too
-	        loadTiles('images', apibase + 'images?sort_by=key', projection);
-	        loadTiles('points', apibase + 'map_features?layers=points&min_nbr_image_detections=2&sort_by=key&values=' + mapFeatureConfig.values + '&', projection);
-	        loadTiles('image_detections', apibase + 'image_detections?layers=points&sort_by=key&values=' + mapFeatureConfig.values + '&', projection);
-	    },
-
-
-	    loadViewer: function(context) {
-	        // add mly-wrapper
-	        var wrap = context.container().select('.photoviewer')
-	            .selectAll('.mly-wrapper')
-	            .data([0]);
-
-	        wrap.enter()
-	            .append('div')
-	            .attr('id', 'ideditor-mly')
-	            .attr('class', 'photo-wrapper mly-wrapper')
-	            .classed('hide', true);
-
-	        // load mapillary-viewercss
-	        select('head').selectAll('#ideditor-mapillary-viewercss')
-	            .data([0])
-	            .enter()
-	            .append('link')
-	            .attr('id', 'ideditor-mapillary-viewercss')
-	            .attr('rel', 'stylesheet')
-	            .attr('href', context.asset(viewercss));
-
-	        // load mapillary-viewerjs
-	        select('head').selectAll('#ideditor-mapillary-viewerjs')
-	            .data([0])
-	            .enter()
-	            .append('script')
-	            .attr('id', 'ideditor-mapillary-viewerjs')
-	            .attr('src', context.asset(viewerjs));
-
-	        // load mapillary signs sprite
-	        var defs = context.container().select('defs');
-	        defs.call(svgDefs(context).addSprites, ['mapillary-sprite', 'mapillary-object-sprite'], false /* don't override colors */ );
-
-	        // Register viewer resize handler
-	        context.ui().photoviewer.on('resize.mapillary', function() {
-	            if (_mlyViewer) {
-	                _mlyViewer.resize();
-	            }
-	        });
-	    },
-
-
-	    showViewer: function(context) {
-	        var wrap = context.container().select('.photoviewer')
-	            .classed('hide', false);
-
-	        var isHidden = wrap.selectAll('.photo-wrapper.mly-wrapper.hide').size();
-
-	        if (isHidden && _mlyViewer) {
-	            wrap
-	                .selectAll('.photo-wrapper:not(.mly-wrapper)')
-	                .classed('hide', true);
-
-	            wrap
-	                .selectAll('.photo-wrapper.mly-wrapper')
-	                .classed('hide', false);
-
-	            _mlyViewer.resize();
-	        }
-
-	        return this;
-	    },
-
-
-	    hideViewer: function(context) {
-	        _mlySelectedImageKey = null;
-
-	        if (!_mlyFallback && _mlyViewer) {
-	            _mlyViewer.getComponent('sequence').stop();
-	        }
-
-	        var viewer = context.container().select('.photoviewer');
-	        if (!viewer.empty()) viewer.datum(null);
-
-	        viewer
-	            .classed('hide', true)
-	            .selectAll('.photo-wrapper')
-	            .classed('hide', true);
-
-	        context.container().selectAll('.viewfield-group, .sequence, .icon-detected')
-	            .classed('currentView', false);
-
-	        return this.setStyles(context, null, true);
-	    },
-
-
-	    parsePagination: parsePagination,
-
-
-	    updateViewer: function(context, imageKey) {
-	        if (!imageKey) return this;
-
-	        if (!_mlyViewer) {
-	            this.initViewer(context, imageKey);
-	        } else {
-	            _mlyViewer.moveToKey(imageKey)
-	                .catch(function(e) { console.error('mly3', e); });  // eslint-disable-line no-console
-	        }
-
-	        return this;
-	    },
-
-
-	    initViewer: function(context, imageKey) {
-	        var that = this;
-	        if (window.Mapillary && imageKey) {
-	            var opts = {
-	                baseImageSize: 320,
-	                component: {
-	                    cover: false,
-	                    keyboard: false,
-	                    tag: true
-	                }
-	            };
-
-	            // Disable components requiring WebGL support
-	            if (!Mapillary.isSupported() && Mapillary.isFallbackSupported()) {
-	                _mlyFallback = true;
-	                opts.component = {
-	                    cover: false,
-	                    direction: false,
-	                    imagePlane: false,
-	                    keyboard: false,
-	                    mouse: false,
-	                    sequence: false,
-	                    tag: false,
-	                    image: true,        // fallback
-	                    navigation: true    // fallback
-	                };
-	            }
-
-	            _mlyViewer = new Mapillary.Viewer('ideditor-mly', clientId, null, opts);
-	            _mlyViewer.on('nodechanged', nodeChanged);
-	            _mlyViewer.on('bearingchanged', bearingChanged);
-	            _mlyViewer.moveToKey(imageKey)
-	                .catch(function(e) { console.error('mly3', e); });  // eslint-disable-line no-console
-	        }
-
-	        // nodeChanged: called after the viewer has changed images and is ready.
-	        //
-	        // There is some logic here to batch up clicks into a _mlyClicks array
-	        // because the user might click on a lot of markers quickly and nodechanged
-	        // may be called out of order asychronously.
-	        //
-	        // Clicks are added to the array in `selectedImage` and removed here.
-	        //
-	        function nodeChanged(node) {
-	            if (!_mlyFallback) {
-	                _mlyViewer.getComponent('tag').removeAll();  // remove previous detections
-	            }
-
-	            var clicks = _mlyClicks;
-	            var index = clicks.indexOf(node.key);
-	            var selectedKey = _mlySelectedImageKey;
-
-	            if (index > -1) {              // `nodechanged` initiated from clicking on a marker..
-	                clicks.splice(index, 1);   // remove the click
-	                // If `node.key` matches the current _mlySelectedImageKey, call `selectImage()`
-	                // one more time to update the detections and attribution..
-	                if (node.key === selectedKey) {
-	                    that.selectImage(context, _mlySelectedImageKey, true);
-	                }
-	            } else {             // `nodechanged` initiated from the Mapillary viewer controls..
-	                var loc = node.computedLatLon ? [node.computedLatLon.lon, node.computedLatLon.lat] : [node.latLon.lon, node.latLon.lat];
-	                context.map().centerEase(loc);
-	                that.selectImage(context, node.key, true);
-	            }
-	        }
-
-	        function bearingChanged(e) {
-	            dispatch$4.call('bearingChanged', undefined, e);
-	        }
-	    },
-
-
-	    // Pass in the image key string as `imageKey`.
-	    // This allows images to be selected from places that dont have access
-	    // to the full image datum (like the street signs layer or the js viewer)
-	    selectImage: function(context, imageKey, fromViewer) {
-
-	        _mlySelectedImageKey = imageKey;
-
-	        // Note the datum could be missing, but we'll try to carry on anyway.
-	        // There just might be a delay before user sees detections, captured_at, etc.
-	        var d = _mlyCache.images.forImageKey[imageKey];
-
-	        var viewer = context.container().select('.photoviewer');
-	        if (!viewer.empty()) viewer.datum(d);
-
-	        imageKey = (d && d.key) || imageKey;
-	        if (!fromViewer && imageKey) {
-	            _mlyClicks.push(imageKey);
-	        }
-
-	        this.setStyles(context, null, true);
-
-	        // if signs signs are shown, highlight the ones that appear in this image
-	        context.container().selectAll('.layer-mapillary-signs .icon-detected')
-	            .classed('currentView', function(d) {
-	                return d.detections.some(function(detection) {
-	                    return detection.image_key === imageKey;
-	                });
-	            });
-
-	        if (d) {
-	            this.updateDetections(d);
-	        }
-
-	        return this;
-	    },
-
-
-	    getSelectedImageKey: function() {
-	        return _mlySelectedImageKey;
-	    },
-
-
-	    getSequenceKeyForImageKey: function(imageKey) {
-	        return _mlyCache.sequences.forImageKey[imageKey];
-	    },
-
-
-	    // Updates the currently highlighted sequence and selected bubble.
-	    // Reset is only necessary when interacting with the viewport because
-	    // this implicitly changes the currently selected bubble/sequence
-	    setStyles: function(context, hovered, reset) {
-	        if (reset) {  // reset all layers
-	            context.container().selectAll('.viewfield-group')
-	                .classed('highlighted', false)
-	                .classed('hovered', false)
-	                .classed('currentView', false);
-
-	            context.container().selectAll('.sequence')
-	                .classed('highlighted', false)
-	                .classed('currentView', false);
-	        }
-
-	        var hoveredImageKey = hovered && hovered.key;
-	        var hoveredSequenceKey = hoveredImageKey && this.getSequenceKeyForImageKey(hoveredImageKey);
-	        var hoveredLineString = hoveredSequenceKey && _mlyCache.sequences.lineString[hoveredSequenceKey];
-	        var hoveredImageKeys = (hoveredLineString && hoveredLineString.properties.coordinateProperties.image_keys) || [];
-
-	        var selectedImageKey = _mlySelectedImageKey;
-	        var selectedSequenceKey = selectedImageKey && this.getSequenceKeyForImageKey(selectedImageKey);
-	        var selectedLineString = selectedSequenceKey && _mlyCache.sequences.lineString[selectedSequenceKey];
-	        var selectedImageKeys = (selectedLineString && selectedLineString.properties.coordinateProperties.image_keys) || [];
-
-	        // highlight sibling viewfields on either the selected or the hovered sequences
-	        var highlightedImageKeys = utilArrayUnion(hoveredImageKeys, selectedImageKeys);
-
-	        context.container().selectAll('.layer-mapillary .viewfield-group')
-	            .classed('highlighted', function(d) { return highlightedImageKeys.indexOf(d.key) !== -1; })
-	            .classed('hovered', function(d) { return d.key === hoveredImageKey; })
-	            .classed('currentView', function(d) { return d.key === selectedImageKey; });
-
-	        context.container().selectAll('.layer-mapillary .sequence')
-	            .classed('highlighted', function(d) { return d.properties.key === hoveredSequenceKey; })
-	            .classed('currentView', function(d) { return d.properties.key === selectedSequenceKey; });
-
-	        // update viewfields if needed
-	        context.container().selectAll('.viewfield-group .viewfield')
-	            .attr('d', viewfieldPath);
-
-	        function viewfieldPath() {
-	            var d = this.parentNode.__data__;
-	            if (d.pano && d.key !== selectedImageKey) {
-	                return 'M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0';
-	            } else {
-	                return 'M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z';
-	            }
-	        }
-
-	        return this;
-	    },
-
-
-	    updateDetections: function(d) {
-	        if (!_mlyViewer || _mlyFallback) return;
-
-	        var imageKey = d && d.key;
-	        if (!imageKey) return;
-
-	        var detections = _mlyCache.image_detections.forImageKey[imageKey] || [];
-	        detections.forEach(function(data) {
-	            var tag = makeTag(data);
-	            if (tag) {
-	                var tagComponent = _mlyViewer.getComponent('tag');
-	                tagComponent.add([tag]);
-	            }
-	        });
-
-	        function makeTag(data) {
-	            var valueParts = data.value.split('--');
-	            if (valueParts.length !== 3) return;
-
-	            var text = valueParts[1].replace(/-/g, ' ');
-	            var tag;
-
-	            // Currently only two shapes <Polygon|Point>
-	            if (data.shape.type === 'Polygon') {
-	                var polygonGeometry = new Mapillary
-	                    .TagComponent
-	                    .PolygonGeometry(data.shape.coordinates[0]);
-
-	                tag = new Mapillary.TagComponent.OutlineTag(
-	                    data.key,
-	                    polygonGeometry,
-	                    {
-	                        text: text,
-	                        textColor: 0xffff00,
-	                        lineColor: 0xffff00,
-	                        lineWidth: 2,
-	                        fillColor: 0xffff00,
-	                        fillOpacity: 0.3,
-	                    }
-	                );
-
-	            } else if (data.shape.type === 'Point') {
-	                var pointGeometry = new Mapillary
-	                    .TagComponent
-	                    .PointGeometry(data.shape.coordinates[0]);
-
-	                tag = new Mapillary.TagComponent.SpotTag(
-	                    data.key,
-	                    pointGeometry,
-	                    {
-	                        text: text,
-	                        color: 0xffff00,
-	                        textColor: 0xffff00
-	                    }
-	                );
-	            }
-
-	            return tag;
-	        }
-	    },
-
-
-	    cache: function() {
-	        return _mlyCache;
-	    }
-
-	};
-
-	function validationIssue(attrs) {
-	    this.type = attrs.type;                // required - name of rule that created the issue (e.g. 'missing_tag')
-	    this.subtype = attrs.subtype;          // optional - category of the issue within the type (e.g. 'relation_type' under 'missing_tag')
-	    this.severity = attrs.severity;        // required - 'warning' or 'error'
-	    this.message = attrs.message;          // required - function returning localized string
-	    this.reference = attrs.reference;      // optional - function(selection) to render reference information
-	    this.entityIds = attrs.entityIds;      // optional - array of IDs of entities involved in the issue
-	    this.loc = attrs.loc;                  // optional - [lon, lat] to zoom in on to see the issue
-	    this.data = attrs.data;                // optional - object containing extra data for the fixes
-	    this.dynamicFixes = attrs.dynamicFixes;// optional - function(context) returning fixes
-	    this.hash = attrs.hash;                // optional - string to further differentiate the issue
-
-	    this.id = generateID.apply(this);      // generated - see below
-	    this.autoFix = null;                   // generated - if autofix exists, will be set below
-
-	    // A unique, deterministic string hash.
-	    // Issues with identical id values are considered identical.
-	    function generateID() {
-	        var parts = [this.type];
-
-	        if (this.hash) {   // subclasses can pass in their own differentiator
-	            parts.push(this.hash);
-	        }
-
-	        if (this.subtype) {
-	            parts.push(this.subtype);
-	        }
-
-	        // include the entities this issue is for
-	        // (sort them so the id is deterministic)
-	        if (this.entityIds) {
-	            var entityKeys = this.entityIds.slice().sort();
-	            parts.push.apply(parts, entityKeys);
-	        }
-
-	        return parts.join(':');
-	    }
-
-	    this.extent = function(resolver) {
-	        if (this.loc) {
-	            return geoExtent(this.loc);
-	        }
-	        if (this.entityIds && this.entityIds.length) {
-	            return this.entityIds.reduce(function(extent, entityId) {
-	                return extent.extend(resolver.entity(entityId).extent(resolver));
-	            }, geoExtent());
-	        }
-	        return null;
-	    };
-
-	    this.fixes = function(context) {
-	        var fixes = this.dynamicFixes ? this.dynamicFixes(context) : [];
-	        var issue = this;
-
-	        if (issue.severity === 'warning') {
-	            // allow ignoring any issue that's not an error
-	            fixes.push(new validationIssueFix({
-	                title: _t('issues.fix.ignore_issue.title'),
-	                icon: 'iD-icon-close',
-	                onClick: function() {
-	                    context.validator().ignoreIssue(this.issue.id);
-	                }
-	            }));
-	        }
-
-	        fixes.forEach(function(fix) {
-	            fix.id = fix.title;
-	            // add a reference to the issue for use in actions
-	            fix.issue = issue;
-	            if (fix.autoArgs) {
-	                issue.autoFix = fix;
-	            }
-	        });
-	        return fixes;
-	    };
-
-	}
-
-
-	function validationIssueFix(attrs) {
-	    this.title = attrs.title;                   // Required
-	    this.onClick = attrs.onClick;               // Optional - the function to run to apply the fix
-	    this.disabledReason = attrs.disabledReason; // Optional - a string explaining why the fix is unavailable, if any
-	    this.icon = attrs.icon;                     // Optional - shows 'iD-icon-wrench' if not set
-	    this.entityIds = attrs.entityIds || [];     // Optional - used for hover-higlighting.
-	    this.autoArgs = attrs.autoArgs;             // Optional - pass [actions, annotation] arglist if this fix can automatically run
-
-	    this.issue = null;    // Generated link - added by validationIssue
-	}
-
-	var buildRuleChecks = function() {
-	    return {
-	        equals: function (equals) {
-	            return function(tags) {
-	                return Object.keys(equals).every(function(k) {
-	                    return equals[k] === tags[k];
-	                });
-	            };
-	        },
-	        notEquals: function (notEquals) {
-	            return function(tags) {
-	                return Object.keys(notEquals).some(function(k) {
-	                    return notEquals[k] !== tags[k];
-	                });
-	            };
-	        },
-	        absence: function(absence) {
-	            return function(tags) {
-	                return Object.keys(tags).indexOf(absence) === -1;
-	            };
-	        },
-	        presence: function(presence) {
-	            return function(tags) {
-	                return Object.keys(tags).indexOf(presence) > -1;
-	            };
-	        },
-	        greaterThan: function(greaterThan) {
-	            var key = Object.keys(greaterThan)[0];
-	            var value = greaterThan[key];
-
-	            return function(tags) {
-	                return tags[key] > value;
-	            };
-	        },
-	        greaterThanEqual: function(greaterThanEqual) {
-	            var key = Object.keys(greaterThanEqual)[0];
-	            var value = greaterThanEqual[key];
-
-	            return function(tags) {
-	                return tags[key] >= value;
-	            };
-	        },
-	        lessThan: function(lessThan) {
-	            var key = Object.keys(lessThan)[0];
-	            var value = lessThan[key];
-
-	            return function(tags) {
-	                return tags[key] < value;
-	            };
-	        },
-	        lessThanEqual: function(lessThanEqual) {
-	            var key = Object.keys(lessThanEqual)[0];
-	            var value = lessThanEqual[key];
-
-	            return function(tags) {
-	                return tags[key] <= value;
-	            };
-	        },
-	        positiveRegex: function(positiveRegex) {
-	            var tagKey = Object.keys(positiveRegex)[0];
-	            var expression = positiveRegex[tagKey].join('|');
-	            var regex = new RegExp(expression);
-
-	            return function(tags) {
-	                return regex.test(tags[tagKey]);
-	            };
-	        },
-	        negativeRegex: function(negativeRegex) {
-	            var tagKey = Object.keys(negativeRegex)[0];
-	            var expression = negativeRegex[tagKey].join('|');
-	            var regex = new RegExp(expression);
-
-	            return function(tags) {
-	                return !regex.test(tags[tagKey]);
-	            };
-	        }
-	    };
-	};
-
-	var buildLineKeys = function() {
-	    return {
-	        highway: {
-	            rest_area: true,
-	            services: true
-	        },
-	        railway: {
-	            roundhouse: true,
-	            station: true,
-	            traverser: true,
-	            turntable: true,
-	            wash: true
-	        }
-	    };
-	};
-
-	var serviceMapRules = {
-	    init: function() {
-	        this._ruleChecks  = buildRuleChecks();
-	        this._validationRules = [];
-	        this._areaKeys = osmAreaKeys;
-	        this._lineKeys = buildLineKeys();
-	    },
-
-	    // list of rules only relevant to tag checks...
-	    filterRuleChecks: function(selector) {
-	        var _ruleChecks = this._ruleChecks;
-	        return Object.keys(selector).reduce(function(rules, key) {
-	            if (['geometry', 'error', 'warning'].indexOf(key) === -1) {
-	                rules.push(_ruleChecks[key](selector[key]));
-	            }
-	            return rules;
-	        }, []);
-	    },
-
-	    // builds tagMap from mapcss-parse selector object...
-	    buildTagMap: function(selector) {
-	        var getRegexValues = function(regexes) {
-	            return regexes.map(function(regex) {
-	                return regex.replace(/\$|\^/g, '');
-	            });
-	        };
-
-	        var tagMap = Object.keys(selector).reduce(function (expectedTags, key) {
-	            var values;
-	            var isRegex = /regex/gi.test(key);
-	            var isEqual = /equals/gi.test(key);
-
-	            if (isRegex || isEqual) {
-	                Object.keys(selector[key]).forEach(function(selectorKey) {
-	                    values = isEqual ? [selector[key][selectorKey]] : getRegexValues(selector[key][selectorKey]);
-
-	                    if (expectedTags.hasOwnProperty(selectorKey)) {
-	                        values = values.concat(expectedTags[selectorKey]);
-	                    }
-
-	                    expectedTags[selectorKey] = values;
-	                });
-
-	            } else if (/(greater|less)Than(Equal)?|presence/g.test(key)) {
-	                var tagKey = /presence/.test(key) ? selector[key] : Object.keys(selector[key])[0];
-
-	                values = [selector[key][tagKey]];
-
-	                if (expectedTags.hasOwnProperty(tagKey)) {
-	                    values = values.concat(expectedTags[tagKey]);
-	                }
-
-	                expectedTags[tagKey] = values;
-	            }
-
-	            return expectedTags;
-	        }, {});
-
-	        return tagMap;
-	    },
-
-	    // inspired by osmWay#isArea()
-	    inferGeometry: function(tagMap) {
-	        var _lineKeys = this._lineKeys;
-	        var _areaKeys = this._areaKeys;
-
-	        var keyValueDoesNotImplyArea = function(key) {
-	            return utilArrayIntersection(tagMap[key], Object.keys(_areaKeys[key])).length > 0;
-	        };
-	        var keyValueImpliesLine = function(key) {
-	            return utilArrayIntersection(tagMap[key], Object.keys(_lineKeys[key])).length > 0;
-	        };
-
-	        if (tagMap.hasOwnProperty('area')) {
-	            if (tagMap.area.indexOf('yes') > -1) {
-	                return 'area';
-	            }
-	            if (tagMap.area.indexOf('no') > -1) {
-	                return 'line';
-	            }
-	        }
-
-	        for (var key in tagMap) {
-	            if (key in _areaKeys && !keyValueDoesNotImplyArea(key)) {
-	                return 'area';
-	            }
-	            if (key in _lineKeys && keyValueImpliesLine(key)) {
-	                return 'area';
-	            }
-	        }
-
-	        return 'line';
-	    },
-
-	    // adds from mapcss-parse selector check...
-	    addRule: function(selector) {
-	        var rule = {
-	            // checks relevant to mapcss-selector
-	            checks: this.filterRuleChecks(selector),
-	            // true if all conditions for a tag error are true..
-	            matches: function(entity) {
-	                return this.checks.every(function(check) {
-	                    return check(entity.tags);
-	                });
-	            },
-	            // borrowed from Way#isArea()
-	            inferredGeometry: this.inferGeometry(this.buildTagMap(selector), this._areaKeys),
-	            geometryMatches: function(entity, graph) {
-	                if (entity.type === 'node' || entity.type === 'relation') {
-	                    return selector.geometry === entity.type;
-	                } else if (entity.type === 'way') {
-	                    return this.inferredGeometry === entity.geometry(graph);
-	                }
-	            },
-	            // when geometries match and tag matches are present, return a warning...
-	            findIssues: function (entity, graph, issues) {
-	                if (this.geometryMatches(entity, graph) && this.matches(entity)) {
-	                    var severity = Object.keys(selector).indexOf('error') > -1
-	                            ? 'error'
-	                            : 'warning';
-	                    var message = selector[severity];
-	                    issues.push(new validationIssue({
-	                        type: 'maprules',
-	                        severity: severity,
-	                        message: function() {
-	                            return message;
-	                        },
-	                        entityIds: [entity.id]
-	                    }));
-	                }
-	            }
-	        };
-	        this._validationRules.push(rule);
-	    },
-
-	    clearRules: function() { this._validationRules = []; },
-
-	    // returns validationRules...
-	    validationRules: function() { return this._validationRules; },
-
-	    // returns ruleChecks
-	    ruleChecks: function() { return this._ruleChecks; }
-	};
-
-	var apibase$1 = 'https://nominatim.openstreetmap.org/';
-	var _inflight = {};
-	var _nominatimCache;
-
-
-	var serviceNominatim = {
-
-	    init: function() {
-	        _inflight = {};
-	        _nominatimCache = new RBush();
-	    },
-
-	    reset: function() {
-	        Object.values(_inflight).forEach(function(controller) { controller.abort(); });
-	        _inflight = {};
-	        _nominatimCache = new RBush();
-	    },
-
-
-	    countryCode: function (location, callback) {
-	        this.reverse(location, function(err, result) {
-	            if (err) {
-	                return callback(err);
-	            } else if (result.address) {
-	                return callback(null, result.address.country_code);
-	            } else {
-	                return callback('Unable to geocode', null);
-	            }
-	        });
-	    },
-
-
-	    reverse: function (loc, callback) {
-	        var cached = _nominatimCache.search(
-	            { minX: loc[0], minY: loc[1], maxX: loc[0], maxY: loc[1] }
-	        );
-
-	        if (cached.length > 0) {
-	            if (callback) callback(null, cached[0].data);
-	            return;
-	        }
-
-	        var params = { zoom: 13, format: 'json', addressdetails: 1, lat: loc[1], lon: loc[0] };
-	        var url = apibase$1 + 'reverse?' + utilQsString(params);
-
-	        if (_inflight[url]) return;
-	        var controller = new AbortController();
-	        _inflight[url] = controller;
-
-	        d3_json(url, { signal: controller.signal })
-	            .then(function(result) {
-	                delete _inflight[url];
-	                if (result && result.error) {
-	                    throw new Error(result.error);
-	                }
-	                var extent = geoExtent(loc).padByMeters(200);
-	                _nominatimCache.insert(Object.assign(extent.bbox(), {data: result}));
-	                if (callback) callback(null, result);
-	            })
-	            .catch(function(err) {
-	                delete _inflight[url];
-	                if (err.name === 'AbortError') return;
-	                if (callback) callback(err.message);
-	            });
-	    },
-
-
-	    search: function (val, callback) {
-	        var searchVal = encodeURIComponent(val);
-	        var url = apibase$1 + 'search/' + searchVal + '?limit=10&format=json';
-
-	        if (_inflight[url]) return;
-	        var controller = new AbortController();
-	        _inflight[url] = controller;
-
-	        d3_json(url, { signal: controller.signal })
-	            .then(function(result) {
-	                delete _inflight[url];
-	                if (result && result.error) {
-	                    throw new Error(result.error);
-	                }
-	                if (callback) callback(null, result);
-	            })
-	            .catch(function(err) {
-	                delete _inflight[url];
-	                if (err.name === 'AbortError') return;
-	                if (callback) callback(err.message);
-	            });
-	    }
-
-	};
-
-	var apibase$2 = 'https://openstreetcam.org';
-	var maxResults$1 = 1000;
-	var tileZoom$1 = 14;
-	var tiler$4 = utilTiler().zoomExtent([tileZoom$1, tileZoom$1]).skipNullIsland(true);
-	var dispatch$5 = dispatch('loadedImages');
-	var imgZoom = d3_zoom()
-	    .extent([[0, 0], [320, 240]])
-	    .translateExtent([[0, 0], [320, 240]])
-	    .scaleExtent([1, 15]);
-	var _oscCache;
-	var _oscSelectedImage;
-
-
-	function abortRequest$4(controller) {
-	    controller.abort();
-	}
-
-
-	function maxPageAtZoom$1(z) {
-	    if (z < 15)   return 2;
-	    if (z === 15) return 5;
-	    if (z === 16) return 10;
-	    if (z === 17) return 20;
-	    if (z === 18) return 40;
-	    if (z > 18)   return 80;
-	}
-
-
-	function loadTiles$1(which, url, projection) {
-	    var currZoom = Math.floor(geoScaleToZoom(projection.scale()));
-	    var tiles = tiler$4.getTiles(projection);
-
-	    // abort inflight requests that are no longer needed
-	    var cache = _oscCache[which];
-	    Object.keys(cache.inflight).forEach(function(k) {
-	        var wanted = tiles.find(function(tile) { return k.indexOf(tile.id + ',') === 0; });
-	        if (!wanted) {
-	            abortRequest$4(cache.inflight[k]);
-	            delete cache.inflight[k];
-	        }
-	    });
-
-	    tiles.forEach(function(tile) {
-	        loadNextTilePage$1(which, currZoom, url, tile);
-	    });
-	}
-
-
-	function loadNextTilePage$1(which, currZoom, url, tile) {
-	    var cache = _oscCache[which];
-	    var bbox = tile.extent.bbox();
-	    var maxPages = maxPageAtZoom$1(currZoom);
-	    var nextPage = cache.nextPage[tile.id] || 1;
-	    var params = utilQsString({
-	        ipp: maxResults$1,
-	        page: nextPage,
-	        // client_id: clientId,
-	        bbTopLeft: [bbox.maxY, bbox.minX].join(','),
-	        bbBottomRight: [bbox.minY, bbox.maxX].join(',')
-	    }, true);
-
-	    if (nextPage > maxPages) return;
-
-	    var id = tile.id + ',' + String(nextPage);
-	    if (cache.loaded[id] || cache.inflight[id]) return;
-
-	    var controller = new AbortController();
-	    cache.inflight[id] = controller;
-
-	    var options = {
-	        method: 'POST',
-	        signal: controller.signal,
-	        body: params,
-	        headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
-	    };
-
-	    d3_json(url, options)
-	        .then(function(data) {
-	            cache.loaded[id] = true;
-	            delete cache.inflight[id];
-	            if (!data || !data.currentPageItems || !data.currentPageItems.length) {
-	                throw new Error('No Data');
-	            }
-
-	            var features = data.currentPageItems.map(function(item) {
-	                var loc = [+item.lng, +item.lat];
-	                var d;
-
-	                if (which === 'images') {
-	                    d = {
-	                        loc: loc,
-	                        key: item.id,
-	                        ca: +item.heading,
-	                        captured_at: (item.shot_date || item.date_added),
-	                        captured_by: item.username,
-	                        imagePath: item.lth_name,
-	                        sequence_id: item.sequence_id,
-	                        sequence_index: +item.sequence_index
-	                    };
-
-	                    // cache sequence info
-	                    var seq = _oscCache.sequences[d.sequence_id];
-	                    if (!seq) {
-	                        seq = { rotation: 0, images: [] };
-	                        _oscCache.sequences[d.sequence_id] = seq;
-	                    }
-	                    seq.images[d.sequence_index] = d;
-	                }
-
-	                return {
-	                    minX: loc[0], minY: loc[1], maxX: loc[0], maxY: loc[1], data: d
-	                };
-	            });
-
-	            cache.rtree.load(features);
-
-	            if (data.currentPageItems.length === maxResults$1) {  // more pages to load
-	                cache.nextPage[tile.id] = nextPage + 1;
-	                loadNextTilePage$1(which, currZoom, url, tile);
-	            } else {
-	                cache.nextPage[tile.id] = Infinity;     // no more pages to load
-	            }
-
-	            if (which === 'images') {
-	                dispatch$5.call('loadedImages');
-	            }
-	        })
-	        .catch(function() {
-	            cache.loaded[id] = true;
-	            delete cache.inflight[id];
-	        });
-	}
-
-
-	// partition viewport into higher zoom tiles
-	function partitionViewport$1(projection) {
-	    var z = geoScaleToZoom(projection.scale());
-	    var z2 = (Math.ceil(z * 2) / 2) + 2.5;   // round to next 0.5 and add 2.5
-	    var tiler = utilTiler().zoomExtent([z2, z2]);
-
-	    return tiler.getTiles(projection)
-	        .map(function(tile) { return tile.extent; });
-	}
-
-
-	// no more than `limit` results per partition.
-	function searchLimited$1(limit, projection, rtree) {
-	    limit = limit || 5;
-
-	    return partitionViewport$1(projection)
-	        .reduce(function(result, extent) {
-	            var found = rtree.search(extent.bbox())
-	                .slice(0, limit)
-	                .map(function(d) { return d.data; });
-
-	            return (found.length ? result.concat(found) : result);
-	        }, []);
-	}
-
-
-	var serviceOpenstreetcam = {
-
-	    init: function() {
-	        if (!_oscCache) {
-	            this.reset();
-	        }
-
-	        this.event = utilRebind(this, dispatch$5, 'on');
-	    },
-
-	    reset: function() {
-	        if (_oscCache) {
-	            Object.values(_oscCache.images.inflight).forEach(abortRequest$4);
-	        }
-
-	        _oscCache = {
-	            images: { inflight: {}, loaded: {}, nextPage: {}, rtree: new RBush() },
-	            sequences: {}
-	        };
-
-	        _oscSelectedImage = null;
-	    },
-
-
-	    images: function(projection) {
-	        var limit = 5;
-	        return searchLimited$1(limit, projection, _oscCache.images.rtree);
-	    },
-
-
-	    sequences: function(projection) {
-	        var viewport = projection.clipExtent();
-	        var min = [viewport[0][0], viewport[1][1]];
-	        var max = [viewport[1][0], viewport[0][1]];
-	        var bbox = geoExtent(projection.invert(min), projection.invert(max)).bbox();
-	        var sequenceKeys = {};
-
-	        // all sequences for images in viewport
-	        _oscCache.images.rtree.search(bbox)
-	            .forEach(function(d) { sequenceKeys[d.data.sequence_id] = true; });
-
-	        // make linestrings from those sequences
-	        var lineStrings = [];
-	        Object.keys(sequenceKeys)
-	            .forEach(function(sequenceKey) {
-	                var seq = _oscCache.sequences[sequenceKey];
-	                var images = seq && seq.images;
-	                if (images) {
-	                    lineStrings.push({
-	                        type: 'LineString',
-	                        coordinates: images.map(function (d) { return d.loc; }).filter(Boolean),
-	                        properties: { key: sequenceKey }
-	                    });
-	                }
-	            });
-	        return lineStrings;
-	    },
-
-
-	    loadImages: function(projection) {
-	        var url = apibase$2 + '/1.0/list/nearby-photos/';
-	        loadTiles$1('images', url, projection);
-	    },
-
-
-	    loadViewer: function(context) {
-	        var that = this;
-
-	        // add osc-wrapper
-	        var wrap = context.container().select('.photoviewer').selectAll('.osc-wrapper')
-	            .data([0]);
-
-	        var wrapEnter = wrap.enter()
-	            .append('div')
-	            .attr('class', 'photo-wrapper osc-wrapper')
-	            .classed('hide', true)
-	            .call(imgZoom.on('zoom', zoomPan))
-	            .on('dblclick.zoom', null);
-
-	        wrapEnter
-	            .append('div')
-	            .attr('class', 'photo-attribution fillD');
-
-	        var controlsEnter = wrapEnter
-	            .append('div')
-	            .attr('class', 'photo-controls-wrap')
-	            .append('div')
-	            .attr('class', 'photo-controls');
-
-	        controlsEnter
-	            .append('button')
-	            .on('click.back', step(-1))
-	            .text('◄');
-
-	        controlsEnter
-	            .append('button')
-	            .on('click.rotate-ccw', rotate(-90))
-	            .text('⤿');
-
-	        controlsEnter
-	            .append('button')
-	            .on('click.rotate-cw', rotate(90))
-	            .text('⤾');
-
-	        controlsEnter
-	            .append('button')
-	            .on('click.forward', step(1))
-	            .text('►');
-
-	        wrapEnter
-	            .append('div')
-	            .attr('class', 'osc-image-wrap');
-
-
-	        // Register viewer resize handler
-	        context.ui().photoviewer.on('resize.openstreetcam', function(dimensions) {
-	            imgZoom = d3_zoom()
-	                .extent([[0, 0], dimensions])
-	                .translateExtent([[0, 0], dimensions])
-	                .scaleExtent([1, 15])
-	                .on('zoom', zoomPan);
-	        });
-
-
-	        function zoomPan() {
-	            var t = event.transform;
-	            context.container().select('.photoviewer .osc-image-wrap')
-	                .call(utilSetTransform, t.x, t.y, t.k);
-	        }
-
-
-	        function rotate(deg) {
-	            return function() {
-	                if (!_oscSelectedImage) return;
-	                var sequenceKey = _oscSelectedImage.sequence_id;
-	                var sequence = _oscCache.sequences[sequenceKey];
-	                if (!sequence) return;
-
-	                var r = sequence.rotation || 0;
-	                r += deg;
-
-	                if (r > 180) r -= 360;
-	                if (r < -180) r += 360;
-	                sequence.rotation = r;
-
-	                var wrap = context.container().select('.photoviewer .osc-wrapper');
-
-	                wrap
-	                    .transition()
-	                    .duration(100)
-	                    .call(imgZoom.transform, identity$2);
-
-	                wrap.selectAll('.osc-image')
-	                    .transition()
-	                    .duration(100)
-	                    .style('transform', 'rotate(' + r + 'deg)');
-	            };
-	        }
-
-	        function step(stepBy) {
-	            return function() {
-	                if (!_oscSelectedImage) return;
-	                var sequenceKey = _oscSelectedImage.sequence_id;
-	                var sequence = _oscCache.sequences[sequenceKey];
-	                if (!sequence) return;
-
-	                var nextIndex = _oscSelectedImage.sequence_index + stepBy;
-	                var nextImage = sequence.images[nextIndex];
-	                if (!nextImage) return;
-
-	                context.map().centerEase(nextImage.loc);
-
-	                that
-	                    .selectImage(context, nextImage)
-	                    .updateViewer(context, nextImage);
-	            };
-	        }
-	    },
-
-
-	    showViewer: function(context) {
-	        var viewer = context.container().select('.photoviewer')
-	            .classed('hide', false);
-
-	        var isHidden = viewer.selectAll('.photo-wrapper.osc-wrapper.hide').size();
-
-	        if (isHidden) {
-	            viewer
-	                .selectAll('.photo-wrapper:not(.osc-wrapper)')
-	                .classed('hide', true);
-
-	            viewer
-	                .selectAll('.photo-wrapper.osc-wrapper')
-	                .classed('hide', false);
-	        }
-
-	        return this;
-	    },
-
-
-	    hideViewer: function(context) {
-	        _oscSelectedImage = null;
-
-	        var viewer = context.container().select('.photoviewer');
-	        if (!viewer.empty()) viewer.datum(null);
-
-	        viewer
-	            .classed('hide', true)
-	            .selectAll('.photo-wrapper')
-	            .classed('hide', true);
-
-	        context.container().selectAll('.viewfield-group, .sequence, .icon-sign')
-	            .classed('currentView', false);
-
-	        return this.setStyles(context, null, true);
-	    },
-
-
-	    updateViewer: function(context, d) {
-	        var wrap = context.container().select('.photoviewer .osc-wrapper');
-	        var imageWrap = wrap.selectAll('.osc-image-wrap');
-	        var attribution = wrap.selectAll('.photo-attribution').html('');
-
-	        wrap
-	            .transition()
-	            .duration(100)
-	            .call(imgZoom.transform, identity$2);
-
-	        imageWrap
-	            .selectAll('.osc-image')
-	            .remove();
-
-	        if (d) {
-	            var sequence = _oscCache.sequences[d.sequence_id];
-	            var r = (sequence && sequence.rotation) || 0;
-
-	            imageWrap
-	                .append('img')
-	                .attr('class', 'osc-image')
-	                .attr('src', apibase$2 + '/' + d.imagePath)
-	                .style('transform', 'rotate(' + r + 'deg)');
-
-	            if (d.captured_by) {
-	                attribution
-	                    .append('a')
-	                    .attr('class', 'captured_by')
-	                    .attr('target', '_blank')
-	                    .attr('href', 'https://openstreetcam.org/user/' + encodeURIComponent(d.captured_by))
-	                    .text('@' + d.captured_by);
-
-	                attribution
-	                    .append('span')
-	                    .text('|');
-	            }
-
-	            if (d.captured_at) {
-	                attribution
-	                    .append('span')
-	                    .attr('class', 'captured_at')
-	                    .text(localeDateString(d.captured_at));
-
-	                attribution
-	                    .append('span')
-	                    .text('|');
-	            }
-
-	            attribution
-	                .append('a')
-	                .attr('class', 'image-link')
-	                .attr('target', '_blank')
-	                .attr('href', 'https://openstreetcam.org/details/' + d.sequence_id + '/' + d.sequence_index)
-	                .text('openstreetcam.org');
-	        }
-
-	        return this;
-
-
-	        function localeDateString(s) {
-	            if (!s) return null;
-	            var options = { day: 'numeric', month: 'short', year: 'numeric' };
-	            var d = new Date(s);
-	            if (isNaN(d.getTime())) return null;
-	            return d.toLocaleDateString(_mainLocalizer.localeCode(), options);
-	        }
-	    },
-
-
-	    selectImage: function(context, d) {
-	        _oscSelectedImage = d;
-	        var viewer = context.container().select('.photoviewer');
-	        if (!viewer.empty()) viewer.datum(d);
-
-	        this.setStyles(context, null, true);
-
-	        context.container().selectAll('.icon-sign')
-	            .classed('currentView', false);
-
-	        return this;
-	    },
-
-
-	    getSelectedImage: function() {
-	        return _oscSelectedImage;
-	    },
-
-
-	    getSequenceKeyForImage: function(d) {
-	        return d && d.sequence_id;
-	    },
-
-
-	    // Updates the currently highlighted sequence and selected bubble.
-	    // Reset is only necessary when interacting with the viewport because
-	    // this implicitly changes the currently selected bubble/sequence
-	    setStyles: function(context, hovered, reset) {
-	        if (reset) {  // reset all layers
-	            context.container().selectAll('.viewfield-group')
-	                .classed('highlighted', false)
-	                .classed('hovered', false)
-	                .classed('currentView', false);
-
-	            context.container().selectAll('.sequence')
-	                .classed('highlighted', false)
-	                .classed('currentView', false);
-	        }
-
-	        var hoveredImageKey = hovered && hovered.key;
-	        var hoveredSequenceKey = this.getSequenceKeyForImage(hovered);
-	        var hoveredSequence = hoveredSequenceKey && _oscCache.sequences[hoveredSequenceKey];
-	        var hoveredImageKeys = (hoveredSequence && hoveredSequence.images.map(function (d) { return d.key; })) || [];
-
-	        var viewer = context.container().select('.photoviewer');
-	        var selected = viewer.empty() ? undefined : viewer.datum();
-	        var selectedImageKey = selected && selected.key;
-	        var selectedSequenceKey = this.getSequenceKeyForImage(selected);
-	        var selectedSequence = selectedSequenceKey && _oscCache.sequences[selectedSequenceKey];
-	        var selectedImageKeys = (selectedSequence && selectedSequence.images.map(function (d) { return d.key; })) || [];
-
-	        // highlight sibling viewfields on either the selected or the hovered sequences
-	        var highlightedImageKeys = utilArrayUnion(hoveredImageKeys, selectedImageKeys);
-
-	        context.container().selectAll('.layer-openstreetcam .viewfield-group')
-	            .classed('highlighted', function(d) { return highlightedImageKeys.indexOf(d.key) !== -1; })
-	            .classed('hovered', function(d) { return d.key === hoveredImageKey; })
-	            .classed('currentView', function(d) { return d.key === selectedImageKey; });
-
-	        context.container().selectAll('.layer-openstreetcam .sequence')
-	            .classed('highlighted', function(d) { return d.properties.key === hoveredSequenceKey; })
-	            .classed('currentView', function(d) { return d.properties.key === selectedSequenceKey; });
-
-	        // update viewfields if needed
-	        context.container().selectAll('.viewfield-group .viewfield')
-	            .attr('d', viewfieldPath);
-
-	        function viewfieldPath() {
-	            var d = this.parentNode.__data__;
-	            if (d.pano && d.key !== selectedImageKey) {
-	                return 'M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0';
-	            } else {
-	                return 'M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z';
-	            }
-	        }
-
-	        return this;
-	    },
-
-
-	    cache: function() {
-	        return _oscCache;
-	    }
-
-	};
-
-	/**
-	 * Checks if `value` is the
-	 * [language type](http://www.ecma-international.org/ecma-262/7.0/#sec-ecmascript-language-types)
-	 * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)
-	 *
-	 * @static
-	 * @memberOf _
-	 * @since 0.1.0
-	 * @category Lang
-	 * @param {*} value The value to check.
-	 * @returns {boolean} Returns `true` if `value` is an object, else `false`.
-	 * @example
-	 *
-	 * _.isObject({});
-	 * // => true
-	 *
-	 * _.isObject([1, 2, 3]);
-	 * // => true
-	 *
-	 * _.isObject(_.noop);
-	 * // => true
-	 *
-	 * _.isObject(null);
-	 * // => false
-	 */
-	function isObject$1(value) {
-	  var type = typeof value;
-	  return value != null && (type == 'object' || type == 'function');
-	}
-
-	/** Detect free variable `global` from Node.js. */
-	var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
-
-	/** Detect free variable `self`. */
-	var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
-
-	/** Used as a reference to the global object. */
-	var root$2 = freeGlobal || freeSelf || Function('return this')();
-
-	/**
-	 * Gets the timestamp of the number of milliseconds that have elapsed since
-	 * the Unix epoch (1 January 1970 00:00:00 UTC).
-	 *
-	 * @static
-	 * @memberOf _
-	 * @since 2.4.0
-	 * @category Date
-	 * @returns {number} Returns the timestamp.
-	 * @example
-	 *
-	 * _.defer(function(stamp) {
-	 *   console.log(_.now() - stamp);
-	 * }, _.now());
-	 * // => Logs the number of milliseconds it took for the deferred invocation.
-	 */
-	var now$1 = function() {
-	  return root$2.Date.now();
-	};
-
-	/** Built-in value references. */
-	var Symbol$1 = root$2.Symbol;
-
-	/** Used for built-in method references. */
-	var objectProto = Object.prototype;
-
-	/** Used to check objects for own properties. */
-	var hasOwnProperty$2 = objectProto.hasOwnProperty;
-
-	/**
-	 * Used to resolve the
-	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
-	 * of values.
-	 */
-	var nativeObjectToString = objectProto.toString;
-
-	/** Built-in value references. */
-	var symToStringTag = Symbol$1 ? Symbol$1.toStringTag : undefined;
-
-	/**
-	 * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
-	 *
-	 * @private
-	 * @param {*} value The value to query.
-	 * @returns {string} Returns the raw `toStringTag`.
-	 */
-	function getRawTag(value) {
-	  var isOwn = hasOwnProperty$2.call(value, symToStringTag),
-	      tag = value[symToStringTag];
-
-	  try {
-	    value[symToStringTag] = undefined;
-	    var unmasked = true;
-	  } catch (e) {}
-
-	  var result = nativeObjectToString.call(value);
-	  if (unmasked) {
-	    if (isOwn) {
-	      value[symToStringTag] = tag;
-	    } else {
-	      delete value[symToStringTag];
-	    }
-	  }
-	  return result;
-	}
-
-	/** Used for built-in method references. */
-	var objectProto$1 = Object.prototype;
-
-	/**
-	 * Used to resolve the
-	 * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
-	 * of values.
-	 */
-	var nativeObjectToString$1 = objectProto$1.toString;
-
-	/**
-	 * Converts `value` to a string using `Object.prototype.toString`.
-	 *
-	 * @private
-	 * @param {*} value The value to convert.
-	 * @returns {string} Returns the converted string.
-	 */
-	function objectToString$2(value) {
-	  return nativeObjectToString$1.call(value);
-	}
-
-	/** `Object#toString` result references. */
-	var nullTag = '[object Null]',
-	    undefinedTag = '[object Undefined]';
-
-	/** Built-in value references. */
-	var symToStringTag$1 = Symbol$1 ? Symbol$1.toStringTag : undefined;
-
-	/**
-	 * The base implementation of `getTag` without fallbacks for buggy environments.
-	 *
-	 * @private
-	 * @param {*} value The value to query.
-	 * @returns {string} Returns the `toStringTag`.
-	 */
-	function baseGetTag(value) {
-	  if (value == null) {
-	    return value === undefined ? undefinedTag : nullTag;
-	  }
-	  return (symToStringTag$1 && symToStringTag$1 in Object(value))
-	    ? getRawTag(value)
-	    : objectToString$2(value);
-	}
-
-	/**
-	 * Checks if `value` is object-like. A value is object-like if it's not `null`
-	 * and has a `typeof` result of "object".
-	 *
-	 * @static
-	 * @memberOf _
-	 * @since 4.0.0
-	 * @category Lang
-	 * @param {*} value The value to check.
-	 * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
-	 * @example
-	 *
-	 * _.isObjectLike({});
-	 * // => true
-	 *
-	 * _.isObjectLike([1, 2, 3]);
-	 * // => true
-	 *
-	 * _.isObjectLike(_.noop);
-	 * // => false
-	 *
-	 * _.isObjectLike(null);
-	 * // => false
-	 */
-	function isObjectLike(value) {
-	  return value != null && typeof value == 'object';
-	}
-
-	/** `Object#toString` result references. */
-	var symbolTag = '[object Symbol]';
-
-	/**
-	 * Checks if `value` is classified as a `Symbol` primitive or object.
-	 *
-	 * @static
-	 * @memberOf _
-	 * @since 4.0.0
-	 * @category Lang
-	 * @param {*} value The value to check.
-	 * @returns {boolean} Returns `true` if `value` is a symbol, else `false`.
-	 * @example
-	 *
-	 * _.isSymbol(Symbol.iterator);
-	 * // => true
-	 *
-	 * _.isSymbol('abc');
-	 * // => false
-	 */
-	function isSymbol$4(value) {
-	  return typeof value == 'symbol' ||
-	    (isObjectLike(value) && baseGetTag(value) == symbolTag);
-	}
-
-	/** Used as references for various `Number` constants. */
-	var NAN = 0 / 0;
-
-	/** Used to match leading and trailing whitespace. */
-	var reTrim = /^\s+|\s+$/g;
-
-	/** Used to detect bad signed hexadecimal string values. */
-	var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
-
-	/** Used to detect binary string values. */
-	var reIsBinary = /^0b[01]+$/i;
-
-	/** Used to detect octal string values. */
-	var reIsOctal = /^0o[0-7]+$/i;
-
-	/** Built-in method references without a dependency on `root`. */
-	var freeParseInt = parseInt;
-
-	/**
-	 * Converts `value` to a number.
-	 *
-	 * @static
-	 * @memberOf _
-	 * @since 4.0.0
-	 * @category Lang
-	 * @param {*} value The value to process.
-	 * @returns {number} Returns the number.
-	 * @example
-	 *
-	 * _.toNumber(3.2);
-	 * // => 3.2
-	 *
-	 * _.toNumber(Number.MIN_VALUE);
-	 * // => 5e-324
-	 *
-	 * _.toNumber(Infinity);
-	 * // => Infinity
-	 *
-	 * _.toNumber('3.2');
-	 * // => 3.2
-	 */
-	function toNumber(value) {
-	  if (typeof value == 'number') {
-	    return value;
-	  }
-	  if (isSymbol$4(value)) {
-	    return NAN;
-	  }
-	  if (isObject$1(value)) {
-	    var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
-	    value = isObject$1(other) ? (other + '') : other;
-	  }
-	  if (typeof value != 'string') {
-	    return value === 0 ? value : +value;
-	  }
-	  value = value.replace(reTrim, '');
-	  var isBinary = reIsBinary.test(value);
-	  return (isBinary || reIsOctal.test(value))
-	    ? freeParseInt(value.slice(2), isBinary ? 2 : 8)
-	    : (reIsBadHex.test(value) ? NAN : +value);
-	}
-
-	/** Error message constants. */
-	var FUNC_ERROR_TEXT = 'Expected a function';
-
-	/* Built-in method references for those with the same name as other `lodash` methods. */
-	var nativeMax = Math.max,
-	    nativeMin = Math.min;
-
-	/**
-	 * Creates a debounced function that delays invoking `func` until after `wait`
-	 * milliseconds have elapsed since the last time the debounced function was
-	 * invoked. The debounced function comes with a `cancel` method to cancel
-	 * delayed `func` invocations and a `flush` method to immediately invoke them.
-	 * Provide `options` to indicate whether `func` should be invoked on the
-	 * leading and/or trailing edge of the `wait` timeout. The `func` is invoked
-	 * with the last arguments provided to the debounced function. Subsequent
-	 * calls to the debounced function return the result of the last `func`
-	 * invocation.
-	 *
-	 * **Note:** If `leading` and `trailing` options are `true`, `func` is
-	 * invoked on the trailing edge of the timeout only if the debounced function
-	 * is invoked more than once during the `wait` timeout.
-	 *
-	 * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
-	 * until to the next tick, similar to `setTimeout` with a timeout of `0`.
-	 *
-	 * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
-	 * for details over the differences between `_.debounce` and `_.throttle`.
-	 *
-	 * @static
-	 * @memberOf _
-	 * @since 0.1.0
-	 * @category Function
-	 * @param {Function} func The function to debounce.
-	 * @param {number} [wait=0] The number of milliseconds to delay.
-	 * @param {Object} [options={}] The options object.
-	 * @param {boolean} [options.leading=false]
-	 *  Specify invoking on the leading edge of the timeout.
-	 * @param {number} [options.maxWait]
-	 *  The maximum time `func` is allowed to be delayed before it's invoked.
-	 * @param {boolean} [options.trailing=true]
-	 *  Specify invoking on the trailing edge of the timeout.
-	 * @returns {Function} Returns the new debounced function.
-	 * @example
-	 *
-	 * // Avoid costly calculations while the window size is in flux.
-	 * jQuery(window).on('resize', _.debounce(calculateLayout, 150));
-	 *
-	 * // Invoke `sendMail` when clicked, debouncing subsequent calls.
-	 * jQuery(element).on('click', _.debounce(sendMail, 300, {
-	 *   'leading': true,
-	 *   'trailing': false
-	 * }));
-	 *
-	 * // Ensure `batchLog` is invoked once after 1 second of debounced calls.
-	 * var debounced = _.debounce(batchLog, 250, { 'maxWait': 1000 });
-	 * var source = new EventSource('/stream');
-	 * jQuery(source).on('message', debounced);
-	 *
-	 * // Cancel the trailing debounced invocation.
-	 * jQuery(window).on('popstate', debounced.cancel);
-	 */
-	function debounce(func, wait, options) {
-	  var lastArgs,
-	      lastThis,
-	      maxWait,
-	      result,
-	      timerId,
-	      lastCallTime,
-	      lastInvokeTime = 0,
-	      leading = false,
-	      maxing = false,
-	      trailing = true;
-
-	  if (typeof func != 'function') {
-	    throw new TypeError(FUNC_ERROR_TEXT);
-	  }
-	  wait = toNumber(wait) || 0;
-	  if (isObject$1(options)) {
-	    leading = !!options.leading;
-	    maxing = 'maxWait' in options;
-	    maxWait = maxing ? nativeMax(toNumber(options.maxWait) || 0, wait) : maxWait;
-	    trailing = 'trailing' in options ? !!options.trailing : trailing;
-	  }
-
-	  function invokeFunc(time) {
-	    var args = lastArgs,
-	        thisArg = lastThis;
-
-	    lastArgs = lastThis = undefined;
-	    lastInvokeTime = time;
-	    result = func.apply(thisArg, args);
-	    return result;
-	  }
-
-	  function leadingEdge(time) {
-	    // Reset any `maxWait` timer.
-	    lastInvokeTime = time;
-	    // Start the timer for the trailing edge.
-	    timerId = setTimeout(timerExpired, wait);
-	    // Invoke the leading edge.
-	    return leading ? invokeFunc(time) : result;
-	  }
-
-	  function remainingWait(time) {
-	    var timeSinceLastCall = time - lastCallTime,
-	        timeSinceLastInvoke = time - lastInvokeTime,
-	        timeWaiting = wait - timeSinceLastCall;
-
-	    return maxing
-	      ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke)
-	      : timeWaiting;
-	  }
-
-	  function shouldInvoke(time) {
-	    var timeSinceLastCall = time - lastCallTime,
-	        timeSinceLastInvoke = time - lastInvokeTime;
-
-	    // Either this is the first call, activity has stopped and we're at the
-	    // trailing edge, the system time has gone backwards and we're treating
-	    // it as the trailing edge, or we've hit the `maxWait` limit.
-	    return (lastCallTime === undefined || (timeSinceLastCall >= wait) ||
-	      (timeSinceLastCall < 0) || (maxing && timeSinceLastInvoke >= maxWait));
-	  }
-
-	  function timerExpired() {
-	    var time = now$1();
-	    if (shouldInvoke(time)) {
-	      return trailingEdge(time);
-	    }
-	    // Restart the timer.
-	    timerId = setTimeout(timerExpired, remainingWait(time));
-	  }
-
-	  function trailingEdge(time) {
-	    timerId = undefined;
-
-	    // Only invoke if we have `lastArgs` which means `func` has been
-	    // debounced at least once.
-	    if (trailing && lastArgs) {
-	      return invokeFunc(time);
-	    }
-	    lastArgs = lastThis = undefined;
-	    return result;
-	  }
-
-	  function cancel() {
-	    if (timerId !== undefined) {
-	      clearTimeout(timerId);
-	    }
-	    lastInvokeTime = 0;
-	    lastArgs = lastCallTime = lastThis = timerId = undefined;
-	  }
-
-	  function flush() {
-	    return timerId === undefined ? result : trailingEdge(now$1());
-	  }
-
-	  function debounced() {
-	    var time = now$1(),
-	        isInvoking = shouldInvoke(time);
-
-	    lastArgs = arguments;
-	    lastThis = this;
-	    lastCallTime = time;
-
-	    if (isInvoking) {
-	      if (timerId === undefined) {
-	        return leadingEdge(lastCallTime);
-	      }
-	      if (maxing) {
-	        // Handle invocations in a tight loop.
-	        clearTimeout(timerId);
-	        timerId = setTimeout(timerExpired, wait);
-	        return invokeFunc(lastCallTime);
-	      }
-	    }
-	    if (timerId === undefined) {
-	      timerId = setTimeout(timerExpired, wait);
-	    }
-	    return result;
-	  }
-	  debounced.cancel = cancel;
-	  debounced.flush = flush;
-	  return debounced;
-	}
-
-	/** Error message constants. */
-	var FUNC_ERROR_TEXT$1 = 'Expected a function';
-
-	/**
-	 * Creates a throttled function that only invokes `func` at most once per
-	 * every `wait` milliseconds. The throttled function comes with a `cancel`
-	 * method to cancel delayed `func` invocations and a `flush` method to
-	 * immediately invoke them. Provide `options` to indicate whether `func`
-	 * should be invoked on the leading and/or trailing edge of the `wait`
-	 * timeout. The `func` is invoked with the last arguments provided to the
-	 * throttled function. Subsequent calls to the throttled function return the
-	 * result of the last `func` invocation.
-	 *
-	 * **Note:** If `leading` and `trailing` options are `true`, `func` is
-	 * invoked on the trailing edge of the timeout only if the throttled function
-	 * is invoked more than once during the `wait` timeout.
-	 *
-	 * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
-	 * until to the next tick, similar to `setTimeout` with a timeout of `0`.
-	 *
-	 * See [David Corbacho's article](https://css-tricks.com/debouncing-throttling-explained-examples/)
-	 * for details over the differences between `_.throttle` and `_.debounce`.
-	 *
-	 * @static
-	 * @memberOf _
-	 * @since 0.1.0
-	 * @category Function
-	 * @param {Function} func The function to throttle.
-	 * @param {number} [wait=0] The number of milliseconds to throttle invocations to.
-	 * @param {Object} [options={}] The options object.
-	 * @param {boolean} [options.leading=true]
-	 *  Specify invoking on the leading edge of the timeout.
-	 * @param {boolean} [options.trailing=true]
-	 *  Specify invoking on the trailing edge of the timeout.
-	 * @returns {Function} Returns the new throttled function.
-	 * @example
-	 *
-	 * // Avoid excessively updating the position while scrolling.
-	 * jQuery(window).on('scroll', _.throttle(updatePosition, 100));
-	 *
-	 * // Invoke `renewToken` when the click event is fired, but not more than once every 5 minutes.
-	 * var throttled = _.throttle(renewToken, 300000, { 'trailing': false });
-	 * jQuery(element).on('click', throttled);
-	 *
-	 * // Cancel the trailing throttled invocation.
-	 * jQuery(window).on('popstate', throttled.cancel);
-	 */
-	function throttle(func, wait, options) {
-	  var leading = true,
-	      trailing = true;
-
-	  if (typeof func != 'function') {
-	    throw new TypeError(FUNC_ERROR_TEXT$1);
-	  }
-	  if (isObject$1(options)) {
-	    leading = 'leading' in options ? !!options.leading : leading;
-	    trailing = 'trailing' in options ? !!options.trailing : trailing;
-	  }
-	  return debounce(func, wait, {
-	    'leading': leading,
-	    'maxWait': wait,
-	    'trailing': trailing
-	  });
-	}
-
-	var hashes = createCommonjsModule(function (module, exports) {
-	/**
-	 * jshashes - https://github.com/h2non/jshashes
-	 * Released under the "New BSD" license
-	 *
-	 * Algorithms specification:
-	 *
-	 * MD5 - http://www.ietf.org/rfc/rfc1321.txt
-	 * RIPEMD-160 - http://homes.esat.kuleuven.be/~bosselae/ripemd160.html
-	 * SHA1   - http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
-	 * SHA256 - http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
-	 * SHA512 - http://csrc.nist.gov/publications/fips/fips180-4/fips-180-4.pdf
-	 * HMAC - http://www.ietf.org/rfc/rfc2104.txt
-	 */
-	(function() {
-	  var Hashes;
-
-	  function utf8Encode(str) {
-	    var x, y, output = '',
-	      i = -1,
-	      l;
-
-	    if (str && str.length) {
-	      l = str.length;
-	      while ((i += 1) < l) {
-	        /* Decode utf-16 surrogate pairs */
-	        x = str.charCodeAt(i);
-	        y = i + 1 < l ? str.charCodeAt(i + 1) : 0;
-	        if (0xD800 <= x && x <= 0xDBFF && 0xDC00 <= y && y <= 0xDFFF) {
-	          x = 0x10000 + ((x & 0x03FF) << 10) + (y & 0x03FF);
-	          i += 1;
-	        }
-	        /* Encode output as utf-8 */
-	        if (x <= 0x7F) {
-	          output += String.fromCharCode(x);
-	        } else if (x <= 0x7FF) {
-	          output += String.fromCharCode(0xC0 | ((x >>> 6) & 0x1F),
-	            0x80 | (x & 0x3F));
-	        } else if (x <= 0xFFFF) {
-	          output += String.fromCharCode(0xE0 | ((x >>> 12) & 0x0F),
-	            0x80 | ((x >>> 6) & 0x3F),
-	            0x80 | (x & 0x3F));
-	        } else if (x <= 0x1FFFFF) {
-	          output += String.fromCharCode(0xF0 | ((x >>> 18) & 0x07),
-	            0x80 | ((x >>> 12) & 0x3F),
-	            0x80 | ((x >>> 6) & 0x3F),
-	            0x80 | (x & 0x3F));
-	        }
-	      }
-	    }
-	    return output;
-	  }
-
-	  function utf8Decode(str) {
-	    var i, ac, c1, c2, c3, arr = [],
-	      l;
-	    i = ac = c1 = c2 = c3 = 0;
-
-	    if (str && str.length) {
-	      l = str.length;
-	      str += '';
-
-	      while (i < l) {
-	        c1 = str.charCodeAt(i);
-	        ac += 1;
-	        if (c1 < 128) {
-	          arr[ac] = String.fromCharCode(c1);
-	          i += 1;
-	        } else if (c1 > 191 && c1 < 224) {
-	          c2 = str.charCodeAt(i + 1);
-	          arr[ac] = String.fromCharCode(((c1 & 31) << 6) | (c2 & 63));
-	          i += 2;
-	        } else {
-	          c2 = str.charCodeAt(i + 1);
-	          c3 = str.charCodeAt(i + 2);
-	          arr[ac] = String.fromCharCode(((c1 & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
-	          i += 3;
-	        }
-	      }
-	    }
-	    return arr.join('');
-	  }
-
-	  /**
-	   * Add integers, wrapping at 2^32. This uses 16-bit operations internally
-	   * to work around bugs in some JS interpreters.
-	   */
-
-	  function safe_add(x, y) {
-	    var lsw = (x & 0xFFFF) + (y & 0xFFFF),
-	      msw = (x >> 16) + (y >> 16) + (lsw >> 16);
-	    return (msw << 16) | (lsw & 0xFFFF);
-	  }
-
-	  /**
-	   * Bitwise rotate a 32-bit number to the left.
-	   */
-
-	  function bit_rol(num, cnt) {
-	    return (num << cnt) | (num >>> (32 - cnt));
-	  }
-
-	  /**
-	   * Convert a raw string to a hex string
-	   */
-
-	  function rstr2hex(input, hexcase) {
-	    var hex_tab = hexcase ? '0123456789ABCDEF' : '0123456789abcdef',
-	      output = '',
-	      x, i = 0,
-	      l = input.length;
-	    for (; i < l; i += 1) {
-	      x = input.charCodeAt(i);
-	      output += hex_tab.charAt((x >>> 4) & 0x0F) + hex_tab.charAt(x & 0x0F);
-	    }
-	    return output;
-	  }
-
-	  /**
-	   * Convert an array of big-endian words to a string
-	   */
-
-	  function binb2rstr(input) {
-	    var i, l = input.length * 32,
-	      output = '';
-	    for (i = 0; i < l; i += 8) {
-	      output += String.fromCharCode((input[i >> 5] >>> (24 - i % 32)) & 0xFF);
-	    }
-	    return output;
-	  }
-
-	  /**
-	   * Convert an array of little-endian words to a string
-	   */
-
-	  function binl2rstr(input) {
-	    var i, l = input.length * 32,
-	      output = '';
-	    for (i = 0; i < l; i += 8) {
-	      output += String.fromCharCode((input[i >> 5] >>> (i % 32)) & 0xFF);
-	    }
-	    return output;
-	  }
-
-	  /**
-	   * Convert a raw string to an array of little-endian words
-	   * Characters >255 have their high-byte silently ignored.
-	   */
-
-	  function rstr2binl(input) {
-	    var i, l = input.length * 8,
-	      output = Array(input.length >> 2),
-	      lo = output.length;
-	    for (i = 0; i < lo; i += 1) {
-	      output[i] = 0;
-	    }
-	    for (i = 0; i < l; i += 8) {
-	      output[i >> 5] |= (input.charCodeAt(i / 8) & 0xFF) << (i % 32);
-	    }
-	    return output;
-	  }
-
-	  /**
-	   * Convert a raw string to an array of big-endian words
-	   * Characters >255 have their high-byte silently ignored.
-	   */
-
-	  function rstr2binb(input) {
-	    var i, l = input.length * 8,
-	      output = Array(input.length >> 2),
-	      lo = output.length;
-	    for (i = 0; i < lo; i += 1) {
-	      output[i] = 0;
-	    }
-	    for (i = 0; i < l; i += 8) {
-	      output[i >> 5] |= (input.charCodeAt(i / 8) & 0xFF) << (24 - i % 32);
-	    }
-	    return output;
-	  }
-
-	  /**
-	   * Convert a raw string to an arbitrary string encoding
-	   */
-
-	  function rstr2any(input, encoding) {
-	    var divisor = encoding.length,
-	      remainders = Array(),
-	      i, q, x, ld, quotient, dividend, output, full_length;
-
-	    /* Convert to an array of 16-bit big-endian values, forming the dividend */
-	    dividend = Array(Math.ceil(input.length / 2));
-	    ld = dividend.length;
-	    for (i = 0; i < ld; i += 1) {
-	      dividend[i] = (input.charCodeAt(i * 2) << 8) | input.charCodeAt(i * 2 + 1);
-	    }
-
-	    /**
-	     * Repeatedly perform a long division. The binary array forms the dividend,
-	     * the length of the encoding is the divisor. Once computed, the quotient
-	     * forms the dividend for the next step. We stop when the dividend is zerHashes.
-	     * All remainders are stored for later use.
-	     */
-	    while (dividend.length > 0) {
-	      quotient = Array();
-	      x = 0;
-	      for (i = 0; i < dividend.length; i += 1) {
-	        x = (x << 16) + dividend[i];
-	        q = Math.floor(x / divisor);
-	        x -= q * divisor;
-	        if (quotient.length > 0 || q > 0) {
-	          quotient[quotient.length] = q;
-	        }
-	      }
-	      remainders[remainders.length] = x;
-	      dividend = quotient;
-	    }
-
-	    /* Convert the remainders to the output string */
-	    output = '';
-	    for (i = remainders.length - 1; i >= 0; i--) {
-	      output += encoding.charAt(remainders[i]);
-	    }
-
-	    /* Append leading zero equivalents */
-	    full_length = Math.ceil(input.length * 8 / (Math.log(encoding.length) / Math.log(2)));
-	    for (i = output.length; i < full_length; i += 1) {
-	      output = encoding[0] + output;
-	    }
-	    return output;
-	  }
-
-	  /**
-	   * Convert a raw string to a base-64 string
-	   */
-
-	  function rstr2b64(input, b64pad) {
-	    var tab = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
-	      output = '',
-	      len = input.length,
-	      i, j, triplet;
-	    b64pad = b64pad || '=';
-	    for (i = 0; i < len; i += 3) {
-	      triplet = (input.charCodeAt(i) << 16) | (i + 1 < len ? input.charCodeAt(i + 1) << 8 : 0) | (i + 2 < len ? input.charCodeAt(i + 2) : 0);
-	      for (j = 0; j < 4; j += 1) {
-	        if (i * 8 + j * 6 > input.length * 8) {
-	          output += b64pad;
-	        } else {
-	          output += tab.charAt((triplet >>> 6 * (3 - j)) & 0x3F);
-	        }
-	      }
-	    }
-	    return output;
-	  }
-
-	  Hashes = {
-	    /**
-	     * @property {String} version
-	     * @readonly
-	     */
-	    VERSION: '1.0.6',
-	    /**
-	     * @member Hashes
-	     * @class Base64
-	     * @constructor
-	     */
-	    Base64: function() {
-	      // private properties
-	      var tab = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/',
-	        pad = '=', // default pad according with the RFC standard
-	        utf8 = true; // by default enable UTF-8 support encoding
-
-	      // public method for encoding
-	      this.encode = function(input) {
-	        var i, j, triplet,
-	          output = '',
-	          len = input.length;
-
-	        pad = pad || '=';
-	        input = (utf8) ? utf8Encode(input) : input;
-
-	        for (i = 0; i < len; i += 3) {
-	          triplet = (input.charCodeAt(i) << 16) | (i + 1 < len ? input.charCodeAt(i + 1) << 8 : 0) | (i + 2 < len ? input.charCodeAt(i + 2) : 0);
-	          for (j = 0; j < 4; j += 1) {
-	            if (i * 8 + j * 6 > len * 8) {
-	              output += pad;
-	            } else {
-	              output += tab.charAt((triplet >>> 6 * (3 - j)) & 0x3F);
-	            }
-	          }
-	        }
-	        return output;
-	      };
-
-	      // public method for decoding
-	      this.decode = function(input) {
-	        // var b64 = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
-	        var i, o1, o2, o3, h1, h2, h3, h4, bits, ac,
-	          dec = '',
-	          arr = [];
-	        if (!input) {
-	          return input;
-	        }
-
-	        i = ac = 0;
-	        input = input.replace(new RegExp('\\' + pad, 'gi'), ''); // use '='
-	        //input += '';
-
-	        do { // unpack four hexets into three octets using index points in b64
-	          h1 = tab.indexOf(input.charAt(i += 1));
-	          h2 = tab.indexOf(input.charAt(i += 1));
-	          h3 = tab.indexOf(input.charAt(i += 1));
-	          h4 = tab.indexOf(input.charAt(i += 1));
-
-	          bits = h1 << 18 | h2 << 12 | h3 << 6 | h4;
-
-	          o1 = bits >> 16 & 0xff;
-	          o2 = bits >> 8 & 0xff;
-	          o3 = bits & 0xff;
-	          ac += 1;
-
-	          if (h3 === 64) {
-	            arr[ac] = String.fromCharCode(o1);
-	          } else if (h4 === 64) {
-	            arr[ac] = String.fromCharCode(o1, o2);
-	          } else {
-	            arr[ac] = String.fromCharCode(o1, o2, o3);
-	          }
-	        } while (i < input.length);
-
-	        dec = arr.join('');
-	        dec = (utf8) ? utf8Decode(dec) : dec;
-
-	        return dec;
-	      };
-
-	      // set custom pad string
-	      this.setPad = function(str) {
-	        pad = str || pad;
-	        return this;
-	      };
-	      // set custom tab string characters
-	      this.setTab = function(str) {
-	        tab = str || tab;
-	        return this;
-	      };
-	      this.setUTF8 = function(bool) {
-	        if (typeof bool === 'boolean') {
-	          utf8 = bool;
-	        }
-	        return this;
-	      };
-	    },
-
-	    /**
-	     * CRC-32 calculation
-	     * @member Hashes
-	     * @method CRC32
-	     * @static
-	     * @param {String} str Input String
-	     * @return {String}
-	     */
-	    CRC32: function(str) {
-	      var crc = 0,
-	        x = 0,
-	        y = 0,
-	        table, i, iTop;
-	      str = utf8Encode(str);
-
-	      table = [
-	        '00000000 77073096 EE0E612C 990951BA 076DC419 706AF48F E963A535 9E6495A3 0EDB8832 ',
-	        '79DCB8A4 E0D5E91E 97D2D988 09B64C2B 7EB17CBD E7B82D07 90BF1D91 1DB71064 6AB020F2 F3B97148 ',
-	        '84BE41DE 1ADAD47D 6DDDE4EB F4D4B551 83D385C7 136C9856 646BA8C0 FD62F97A 8A65C9EC 14015C4F ',
-	        '63066CD9 FA0F3D63 8D080DF5 3B6E20C8 4C69105E D56041E4 A2677172 3C03E4D1 4B04D447 D20D85FD ',
-	        'A50AB56B 35B5A8FA 42B2986C DBBBC9D6 ACBCF940 32D86CE3 45DF5C75 DCD60DCF ABD13D59 26D930AC ',
-	        '51DE003A C8D75180 BFD06116 21B4F4B5 56B3C423 CFBA9599 B8BDA50F 2802B89E 5F058808 C60CD9B2 ',
-	        'B10BE924 2F6F7C87 58684C11 C1611DAB B6662D3D 76DC4190 01DB7106 98D220BC EFD5102A 71B18589 ',
-	        '06B6B51F 9FBFE4A5 E8B8D433 7807C9A2 0F00F934 9609A88E E10E9818 7F6A0DBB 086D3D2D 91646C97 ',
-	        'E6635C01 6B6B51F4 1C6C6162 856530D8 F262004E 6C0695ED 1B01A57B 8208F4C1 F50FC457 65B0D9C6 ',
-	        '12B7E950 8BBEB8EA FCB9887C 62DD1DDF 15DA2D49 8CD37CF3 FBD44C65 4DB26158 3AB551CE A3BC0074 ',
-	        'D4BB30E2 4ADFA541 3DD895D7 A4D1C46D D3D6F4FB 4369E96A 346ED9FC AD678846 DA60B8D0 44042D73 ',
-	        '33031DE5 AA0A4C5F DD0D7CC9 5005713C 270241AA BE0B1010 C90C2086 5768B525 206F85B3 B966D409 ',
-	        'CE61E49F 5EDEF90E 29D9C998 B0D09822 C7D7A8B4 59B33D17 2EB40D81 B7BD5C3B C0BA6CAD EDB88320 ',
-	        '9ABFB3B6 03B6E20C 74B1D29A EAD54739 9DD277AF 04DB2615 73DC1683 E3630B12 94643B84 0D6D6A3E ',
-	        '7A6A5AA8 E40ECF0B 9309FF9D 0A00AE27 7D079EB1 F00F9344 8708A3D2 1E01F268 6906C2FE F762575D ',
-	        '806567CB 196C3671 6E6B06E7 FED41B76 89D32BE0 10DA7A5A 67DD4ACC F9B9DF6F 8EBEEFF9 17B7BE43 ',
-	        '60B08ED5 D6D6A3E8 A1D1937E 38D8C2C4 4FDFF252 D1BB67F1 A6BC5767 3FB506DD 48B2364B D80D2BDA ',
-	        'AF0A1B4C 36034AF6 41047A60 DF60EFC3 A867DF55 316E8EEF 4669BE79 CB61B38C BC66831A 256FD2A0 ',
-	        '5268E236 CC0C7795 BB0B4703 220216B9 5505262F C5BA3BBE B2BD0B28 2BB45A92 5CB36A04 C2D7FFA7 ',
-	        'B5D0CF31 2CD99E8B 5BDEAE1D 9B64C2B0 EC63F226 756AA39C 026D930A 9C0906A9 EB0E363F 72076785 ',
-	        '05005713 95BF4A82 E2B87A14 7BB12BAE 0CB61B38 92D28E9B E5D5BE0D 7CDCEFB7 0BDBDF21 86D3D2D4 ',
-	        'F1D4E242 68DDB3F8 1FDA836E 81BE16CD F6B9265B 6FB077E1 18B74777 88085AE6 FF0F6A70 66063BCA ',
-	        '11010B5C 8F659EFF F862AE69 616BFFD3 166CCF45 A00AE278 D70DD2EE 4E048354 3903B3C2 A7672661 ',
-	        'D06016F7 4969474D 3E6E77DB AED16A4A D9D65ADC 40DF0B66 37D83BF0 A9BCAE53 DEBB9EC5 47B2CF7F ',
-	        '30B5FFE9 BDBDF21C CABAC28A 53B39330 24B4A3A6 BAD03605 CDD70693 54DE5729 23D967BF B3667A2E ',
-	        'C4614AB8 5D681B02 2A6F2B94 B40BBE37 C30C8EA1 5A05DF1B 2D02EF8D'
-	      ].join('');
-
-	      crc = crc ^ (-1);
-	      for (i = 0, iTop = str.length; i < iTop; i += 1) {
-	        y = (crc ^ str.charCodeAt(i)) & 0xFF;
-	        x = '0x' + table.substr(y * 9, 8);
-	        crc = (crc >>> 8) ^ x;
-	      }
-	      // always return a positive number (that's what >>> 0 does)
-	      return (crc ^ (-1)) >>> 0;
-	    },
-	    /**
-	     * @member Hashes
-	     * @class MD5
-	     * @constructor
-	     * @param {Object} [config]
-	     *
-	     * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
-	     * Digest Algorithm, as defined in RFC 1321.
-	     * Version 2.2 Copyright (C) Paul Johnston 1999 - 2009
-	     * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
-	     * See <http://pajhome.org.uk/crypt/md5> for more infHashes.
-	     */
-	    MD5: function(options) {
-	      /**
-	       * Private config properties. You may need to tweak these to be compatible with
-	       * the server-side, but the defaults work in most cases.
-	       * See {@link Hashes.MD5#method-setUpperCase} and {@link Hashes.SHA1#method-setUpperCase}
-	       */
-	      var hexcase = (options && typeof options.uppercase === 'boolean') ? options.uppercase : false, // hexadecimal output case format. false - lowercase; true - uppercase
-	        b64pad = (options && typeof options.pad === 'string') ? options.pad : '=', // base-64 pad character. Defaults to '=' for strict RFC compliance
-	        utf8 = (options && typeof options.utf8 === 'boolean') ? options.utf8 : true; // enable/disable utf8 encoding
-
-	      // privileged (public) methods
-	      this.hex = function(s) {
-	        return rstr2hex(rstr(s), hexcase);
-	      };
-	      this.b64 = function(s) {
-	        return rstr2b64(rstr(s), b64pad);
-	      };
-	      this.any = function(s, e) {
-	        return rstr2any(rstr(s), e);
-	      };
-	      this.raw = function(s) {
-	        return rstr(s);
-	      };
-	      this.hex_hmac = function(k, d) {
-	        return rstr2hex(rstr_hmac(k, d), hexcase);
-	      };
-	      this.b64_hmac = function(k, d) {
-	        return rstr2b64(rstr_hmac(k, d), b64pad);
-	      };
-	      this.any_hmac = function(k, d, e) {
-	        return rstr2any(rstr_hmac(k, d), e);
-	      };
-	      /**
-	       * Perform a simple self-test to see if the VM is working
-	       * @return {String} Hexadecimal hash sample
-	       */
-	      this.vm_test = function() {
-	        return hex('abc').toLowerCase() === '900150983cd24fb0d6963f7d28e17f72';
-	      };
-	      /**
-	       * Enable/disable uppercase hexadecimal returned string
-	       * @param {Boolean}
-	       * @return {Object} this
-	       */
-	      this.setUpperCase = function(a) {
-	        if (typeof a === 'boolean') {
-	          hexcase = a;
-	        }
-	        return this;
-	      };
-	      /**
-	       * Defines a base64 pad string
-	       * @param {String} Pad
-	       * @return {Object} this
-	       */
-	      this.setPad = function(a) {
-	        b64pad = a || b64pad;
-	        return this;
-	      };
-	      /**
-	       * Defines a base64 pad string
-	       * @param {Boolean}
-	       * @return {Object} [this]
-	       */
-	      this.setUTF8 = function(a) {
-	        if (typeof a === 'boolean') {
-	          utf8 = a;
-	        }
-	        return this;
-	      };
-
-	      // private methods
-
-	      /**
-	       * Calculate the MD5 of a raw string
-	       */
-
-	      function rstr(s) {
-	        s = (utf8) ? utf8Encode(s) : s;
-	        return binl2rstr(binl(rstr2binl(s), s.length * 8));
-	      }
-
-	      /**
-	       * Calculate the HMAC-MD5, of a key and some data (raw strings)
-	       */
-
-	      function rstr_hmac(key, data) {
-	        var bkey, ipad, opad, hash, i;
-
-	        key = (utf8) ? utf8Encode(key) : key;
-	        data = (utf8) ? utf8Encode(data) : data;
-	        bkey = rstr2binl(key);
-	        if (bkey.length > 16) {
-	          bkey = binl(bkey, key.length * 8);
-	        }
-
-	        ipad = Array(16), opad = Array(16);
-	        for (i = 0; i < 16; i += 1) {
-	          ipad[i] = bkey[i] ^ 0x36363636;
-	          opad[i] = bkey[i] ^ 0x5C5C5C5C;
-	        }
-	        hash = binl(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
-	        return binl2rstr(binl(opad.concat(hash), 512 + 128));
-	      }
-
-	      /**
-	       * Calculate the MD5 of an array of little-endian words, and a bit length.
-	       */
-
-	      function binl(x, len) {
-	        var i, olda, oldb, oldc, oldd,
-	          a = 1732584193,
-	          b = -271733879,
-	          c = -1732584194,
-	          d = 271733878;
-
-	        /* append padding */
-	        x[len >> 5] |= 0x80 << ((len) % 32);
-	        x[(((len + 64) >>> 9) << 4) + 14] = len;
-
-	        for (i = 0; i < x.length; i += 16) {
-	          olda = a;
-	          oldb = b;
-	          oldc = c;
-	          oldd = d;
-
-	          a = md5_ff(a, b, c, d, x[i + 0], 7, -680876936);
-	          d = md5_ff(d, a, b, c, x[i + 1], 12, -389564586);
-	          c = md5_ff(c, d, a, b, x[i + 2], 17, 606105819);
-	          b = md5_ff(b, c, d, a, x[i + 3], 22, -1044525330);
-	          a = md5_ff(a, b, c, d, x[i + 4], 7, -176418897);
-	          d = md5_ff(d, a, b, c, x[i + 5], 12, 1200080426);
-	          c = md5_ff(c, d, a, b, x[i + 6], 17, -1473231341);
-	          b = md5_ff(b, c, d, a, x[i + 7], 22, -45705983);
-	          a = md5_ff(a, b, c, d, x[i + 8], 7, 1770035416);
-	          d = md5_ff(d, a, b, c, x[i + 9], 12, -1958414417);
-	          c = md5_ff(c, d, a, b, x[i + 10], 17, -42063);
-	          b = md5_ff(b, c, d, a, x[i + 11], 22, -1990404162);
-	          a = md5_ff(a, b, c, d, x[i + 12], 7, 1804603682);
-	          d = md5_ff(d, a, b, c, x[i + 13], 12, -40341101);
-	          c = md5_ff(c, d, a, b, x[i + 14], 17, -1502002290);
-	          b = md5_ff(b, c, d, a, x[i + 15], 22, 1236535329);
-
-	          a = md5_gg(a, b, c, d, x[i + 1], 5, -165796510);
-	          d = md5_gg(d, a, b, c, x[i + 6], 9, -1069501632);
-	          c = md5_gg(c, d, a, b, x[i + 11], 14, 643717713);
-	          b = md5_gg(b, c, d, a, x[i + 0], 20, -373897302);
-	          a = md5_gg(a, b, c, d, x[i + 5], 5, -701558691);
-	          d = md5_gg(d, a, b, c, x[i + 10], 9, 38016083);
-	          c = md5_gg(c, d, a, b, x[i + 15], 14, -660478335);
-	          b = md5_gg(b, c, d, a, x[i + 4], 20, -405537848);
-	          a = md5_gg(a, b, c, d, x[i + 9], 5, 568446438);
-	          d = md5_gg(d, a, b, c, x[i + 14], 9, -1019803690);
-	          c = md5_gg(c, d, a, b, x[i + 3], 14, -187363961);
-	          b = md5_gg(b, c, d, a, x[i + 8], 20, 1163531501);
-	          a = md5_gg(a, b, c, d, x[i + 13], 5, -1444681467);
-	          d = md5_gg(d, a, b, c, x[i + 2], 9, -51403784);
-	          c = md5_gg(c, d, a, b, x[i + 7], 14, 1735328473);
-	          b = md5_gg(b, c, d, a, x[i + 12], 20, -1926607734);
-
-	          a = md5_hh(a, b, c, d, x[i + 5], 4, -378558);
-	          d = md5_hh(d, a, b, c, x[i + 8], 11, -2022574463);
-	          c = md5_hh(c, d, a, b, x[i + 11], 16, 1839030562);
-	          b = md5_hh(b, c, d, a, x[i + 14], 23, -35309556);
-	          a = md5_hh(a, b, c, d, x[i + 1], 4, -1530992060);
-	          d = md5_hh(d, a, b, c, x[i + 4], 11, 1272893353);
-	          c = md5_hh(c, d, a, b, x[i + 7], 16, -155497632);
-	          b = md5_hh(b, c, d, a, x[i + 10], 23, -1094730640);
-	          a = md5_hh(a, b, c, d, x[i + 13], 4, 681279174);
-	          d = md5_hh(d, a, b, c, x[i + 0], 11, -358537222);
-	          c = md5_hh(c, d, a, b, x[i + 3], 16, -722521979);
-	          b = md5_hh(b, c, d, a, x[i + 6], 23, 76029189);
-	          a = md5_hh(a, b, c, d, x[i + 9], 4, -640364487);
-	          d = md5_hh(d, a, b, c, x[i + 12], 11, -421815835);
-	          c = md5_hh(c, d, a, b, x[i + 15], 16, 530742520);
-	          b = md5_hh(b, c, d, a, x[i + 2], 23, -995338651);
-
-	          a = md5_ii(a, b, c, d, x[i + 0], 6, -198630844);
-	          d = md5_ii(d, a, b, c, x[i + 7], 10, 1126891415);
-	          c = md5_ii(c, d, a, b, x[i + 14], 15, -1416354905);
-	          b = md5_ii(b, c, d, a, x[i + 5], 21, -57434055);
-	          a = md5_ii(a, b, c, d, x[i + 12], 6, 1700485571);
-	          d = md5_ii(d, a, b, c, x[i + 3], 10, -1894986606);
-	          c = md5_ii(c, d, a, b, x[i + 10], 15, -1051523);
-	          b = md5_ii(b, c, d, a, x[i + 1], 21, -2054922799);
-	          a = md5_ii(a, b, c, d, x[i + 8], 6, 1873313359);
-	          d = md5_ii(d, a, b, c, x[i + 15], 10, -30611744);
-	          c = md5_ii(c, d, a, b, x[i + 6], 15, -1560198380);
-	          b = md5_ii(b, c, d, a, x[i + 13], 21, 1309151649);
-	          a = md5_ii(a, b, c, d, x[i + 4], 6, -145523070);
-	          d = md5_ii(d, a, b, c, x[i + 11], 10, -1120210379);
-	          c = md5_ii(c, d, a, b, x[i + 2], 15, 718787259);
-	          b = md5_ii(b, c, d, a, x[i + 9], 21, -343485551);
-
-	          a = safe_add(a, olda);
-	          b = safe_add(b, oldb);
-	          c = safe_add(c, oldc);
-	          d = safe_add(d, oldd);
-	        }
-	        return Array(a, b, c, d);
-	      }
-
-	      /**
-	       * These functions implement the four basic operations the algorithm uses.
-	       */
-
-	      function md5_cmn(q, a, b, x, s, t) {
-	        return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s), b);
-	      }
-
-	      function md5_ff(a, b, c, d, x, s, t) {
-	        return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
-	      }
-
-	      function md5_gg(a, b, c, d, x, s, t) {
-	        return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
-	      }
-
-	      function md5_hh(a, b, c, d, x, s, t) {
-	        return md5_cmn(b ^ c ^ d, a, b, x, s, t);
-	      }
-
-	      function md5_ii(a, b, c, d, x, s, t) {
-	        return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
-	      }
-	    },
-	    /**
-	     * @member Hashes
-	     * @class Hashes.SHA1
-	     * @param {Object} [config]
-	     * @constructor
-	     *
-	     * A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined in FIPS 180-1
-	     * Version 2.2 Copyright Paul Johnston 2000 - 2009.
-	     * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
-	     * See http://pajhome.org.uk/crypt/md5 for details.
-	     */
-	    SHA1: function(options) {
-	      /**
-	       * Private config properties. You may need to tweak these to be compatible with
-	       * the server-side, but the defaults work in most cases.
-	       * See {@link Hashes.MD5#method-setUpperCase} and {@link Hashes.SHA1#method-setUpperCase}
-	       */
-	      var hexcase = (options && typeof options.uppercase === 'boolean') ? options.uppercase : false, // hexadecimal output case format. false - lowercase; true - uppercase
-	        b64pad = (options && typeof options.pad === 'string') ? options.pad : '=', // base-64 pad character. Defaults to '=' for strict RFC compliance
-	        utf8 = (options && typeof options.utf8 === 'boolean') ? options.utf8 : true; // enable/disable utf8 encoding
-
-	      // public methods
-	      this.hex = function(s) {
-	        return rstr2hex(rstr(s), hexcase);
-	      };
-	      this.b64 = function(s) {
-	        return rstr2b64(rstr(s), b64pad);
-	      };
-	      this.any = function(s, e) {
-	        return rstr2any(rstr(s), e);
-	      };
-	      this.raw = function(s) {
-	        return rstr(s);
-	      };
-	      this.hex_hmac = function(k, d) {
-	        return rstr2hex(rstr_hmac(k, d));
-	      };
-	      this.b64_hmac = function(k, d) {
-	        return rstr2b64(rstr_hmac(k, d), b64pad);
-	      };
-	      this.any_hmac = function(k, d, e) {
-	        return rstr2any(rstr_hmac(k, d), e);
-	      };
-	      /**
-	       * Perform a simple self-test to see if the VM is working
-	       * @return {String} Hexadecimal hash sample
-	       * @public
-	       */
-	      this.vm_test = function() {
-	        return hex('abc').toLowerCase() === '900150983cd24fb0d6963f7d28e17f72';
-	      };
-	      /**
-	       * @description Enable/disable uppercase hexadecimal returned string
-	       * @param {boolean}
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setUpperCase = function(a) {
-	        if (typeof a === 'boolean') {
-	          hexcase = a;
-	        }
-	        return this;
-	      };
-	      /**
-	       * @description Defines a base64 pad string
-	       * @param {string} Pad
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setPad = function(a) {
-	        b64pad = a || b64pad;
-	        return this;
-	      };
-	      /**
-	       * @description Defines a base64 pad string
-	       * @param {boolean}
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setUTF8 = function(a) {
-	        if (typeof a === 'boolean') {
-	          utf8 = a;
-	        }
-	        return this;
-	      };
-
-	      // private methods
-
-	      /**
-	       * Calculate the SHA-512 of a raw string
-	       */
-
-	      function rstr(s) {
-	        s = (utf8) ? utf8Encode(s) : s;
-	        return binb2rstr(binb(rstr2binb(s), s.length * 8));
-	      }
-
-	      /**
-	       * Calculate the HMAC-SHA1 of a key and some data (raw strings)
-	       */
-
-	      function rstr_hmac(key, data) {
-	        var bkey, ipad, opad, i, hash;
-	        key = (utf8) ? utf8Encode(key) : key;
-	        data = (utf8) ? utf8Encode(data) : data;
-	        bkey = rstr2binb(key);
-
-	        if (bkey.length > 16) {
-	          bkey = binb(bkey, key.length * 8);
-	        }
-	        ipad = Array(16), opad = Array(16);
-	        for (i = 0; i < 16; i += 1) {
-	          ipad[i] = bkey[i] ^ 0x36363636;
-	          opad[i] = bkey[i] ^ 0x5C5C5C5C;
-	        }
-	        hash = binb(ipad.concat(rstr2binb(data)), 512 + data.length * 8);
-	        return binb2rstr(binb(opad.concat(hash), 512 + 160));
-	      }
-
-	      /**
-	       * Calculate the SHA-1 of an array of big-endian words, and a bit length
-	       */
-
-	      function binb(x, len) {
-	        var i, j, t, olda, oldb, oldc, oldd, olde,
-	          w = Array(80),
-	          a = 1732584193,
-	          b = -271733879,
-	          c = -1732584194,
-	          d = 271733878,
-	          e = -1009589776;
-
-	        /* append padding */
-	        x[len >> 5] |= 0x80 << (24 - len % 32);
-	        x[((len + 64 >> 9) << 4) + 15] = len;
-
-	        for (i = 0; i < x.length; i += 16) {
-	          olda = a;
-	          oldb = b;
-	          oldc = c;
-	          oldd = d;
-	          olde = e;
-
-	          for (j = 0; j < 80; j += 1) {
-	            if (j < 16) {
-	              w[j] = x[i + j];
-	            } else {
-	              w[j] = bit_rol(w[j - 3] ^ w[j - 8] ^ w[j - 14] ^ w[j - 16], 1);
-	            }
-	            t = safe_add(safe_add(bit_rol(a, 5), sha1_ft(j, b, c, d)),
-	              safe_add(safe_add(e, w[j]), sha1_kt(j)));
-	            e = d;
-	            d = c;
-	            c = bit_rol(b, 30);
-	            b = a;
-	            a = t;
-	          }
-
-	          a = safe_add(a, olda);
-	          b = safe_add(b, oldb);
-	          c = safe_add(c, oldc);
-	          d = safe_add(d, oldd);
-	          e = safe_add(e, olde);
-	        }
-	        return Array(a, b, c, d, e);
-	      }
-
-	      /**
-	       * Perform the appropriate triplet combination function for the current
-	       * iteration
-	       */
-
-	      function sha1_ft(t, b, c, d) {
-	        if (t < 20) {
-	          return (b & c) | ((~b) & d);
-	        }
-	        if (t < 40) {
-	          return b ^ c ^ d;
-	        }
-	        if (t < 60) {
-	          return (b & c) | (b & d) | (c & d);
-	        }
-	        return b ^ c ^ d;
-	      }
-
-	      /**
-	       * Determine the appropriate additive constant for the current iteration
-	       */
-
-	      function sha1_kt(t) {
-	        return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 :
-	          (t < 60) ? -1894007588 : -899497514;
-	      }
-	    },
-	    /**
-	     * @class Hashes.SHA256
-	     * @param {config}
-	     *
-	     * A JavaScript implementation of the Secure Hash Algorithm, SHA-256, as defined in FIPS 180-2
-	     * Version 2.2 Copyright Angel Marin, Paul Johnston 2000 - 2009.
-	     * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
-	     * See http://pajhome.org.uk/crypt/md5 for details.
-	     * Also http://anmar.eu.org/projects/jssha2/
-	     */
-	    SHA256: function(options) {
-	      /**
-	       * Private properties configuration variables. You may need to tweak these to be compatible with
-	       * the server-side, but the defaults work in most cases.
-	       * @see this.setUpperCase() method
-	       * @see this.setPad() method
-	       */
-	      var hexcase = (options && typeof options.uppercase === 'boolean') ? options.uppercase : false, // hexadecimal output case format. false - lowercase; true - uppercase  */
-	        b64pad = (options && typeof options.pad === 'string') ? options.pad : '=',
-	        /* base-64 pad character. Default '=' for strict RFC compliance   */
-	        utf8 = (options && typeof options.utf8 === 'boolean') ? options.utf8 : true,
-	        /* enable/disable utf8 encoding */
-	        sha256_K;
-
-	      /* privileged (public) methods */
-	      this.hex = function(s) {
-	        return rstr2hex(rstr(s, utf8));
-	      };
-	      this.b64 = function(s) {
-	        return rstr2b64(rstr(s, utf8), b64pad);
-	      };
-	      this.any = function(s, e) {
-	        return rstr2any(rstr(s, utf8), e);
-	      };
-	      this.raw = function(s) {
-	        return rstr(s, utf8);
-	      };
-	      this.hex_hmac = function(k, d) {
-	        return rstr2hex(rstr_hmac(k, d));
-	      };
-	      this.b64_hmac = function(k, d) {
-	        return rstr2b64(rstr_hmac(k, d), b64pad);
-	      };
-	      this.any_hmac = function(k, d, e) {
-	        return rstr2any(rstr_hmac(k, d), e);
-	      };
-	      /**
-	       * Perform a simple self-test to see if the VM is working
-	       * @return {String} Hexadecimal hash sample
-	       * @public
-	       */
-	      this.vm_test = function() {
-	        return hex('abc').toLowerCase() === '900150983cd24fb0d6963f7d28e17f72';
-	      };
-	      /**
-	       * Enable/disable uppercase hexadecimal returned string
-	       * @param {boolean}
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setUpperCase = function(a) {
-	        if (typeof a === 'boolean') {
-	          hexcase = a;
-	        }
-	        return this;
-	      };
-	      /**
-	       * @description Defines a base64 pad string
-	       * @param {string} Pad
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setPad = function(a) {
-	        b64pad = a || b64pad;
-	        return this;
-	      };
-	      /**
-	       * Defines a base64 pad string
-	       * @param {boolean}
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setUTF8 = function(a) {
-	        if (typeof a === 'boolean') {
-	          utf8 = a;
-	        }
-	        return this;
-	      };
-
-	      // private methods
-
-	      /**
-	       * Calculate the SHA-512 of a raw string
-	       */
-
-	      function rstr(s, utf8) {
-	        s = (utf8) ? utf8Encode(s) : s;
-	        return binb2rstr(binb(rstr2binb(s), s.length * 8));
-	      }
-
-	      /**
-	       * Calculate the HMAC-sha256 of a key and some data (raw strings)
-	       */
-
-	      function rstr_hmac(key, data) {
-	        key = (utf8) ? utf8Encode(key) : key;
-	        data = (utf8) ? utf8Encode(data) : data;
-	        var hash, i = 0,
-	          bkey = rstr2binb(key),
-	          ipad = Array(16),
-	          opad = Array(16);
-
-	        if (bkey.length > 16) {
-	          bkey = binb(bkey, key.length * 8);
-	        }
-
-	        for (; i < 16; i += 1) {
-	          ipad[i] = bkey[i] ^ 0x36363636;
-	          opad[i] = bkey[i] ^ 0x5C5C5C5C;
-	        }
-
-	        hash = binb(ipad.concat(rstr2binb(data)), 512 + data.length * 8);
-	        return binb2rstr(binb(opad.concat(hash), 512 + 256));
-	      }
-
-	      /*
-	       * Main sha256 function, with its support functions
-	       */
-
-	      function sha256_S(X, n) {
-	        return (X >>> n) | (X << (32 - n));
-	      }
-
-	      function sha256_R(X, n) {
-	        return (X >>> n);
-	      }
-
-	      function sha256_Ch(x, y, z) {
-	        return ((x & y) ^ ((~x) & z));
-	      }
-
-	      function sha256_Maj(x, y, z) {
-	        return ((x & y) ^ (x & z) ^ (y & z));
-	      }
-
-	      function sha256_Sigma0256(x) {
-	        return (sha256_S(x, 2) ^ sha256_S(x, 13) ^ sha256_S(x, 22));
-	      }
-
-	      function sha256_Sigma1256(x) {
-	        return (sha256_S(x, 6) ^ sha256_S(x, 11) ^ sha256_S(x, 25));
-	      }
-
-	      function sha256_Gamma0256(x) {
-	        return (sha256_S(x, 7) ^ sha256_S(x, 18) ^ sha256_R(x, 3));
-	      }
-
-	      function sha256_Gamma1256(x) {
-	        return (sha256_S(x, 17) ^ sha256_S(x, 19) ^ sha256_R(x, 10));
-	      }
-
-	      sha256_K = [
-	        1116352408, 1899447441, -1245643825, -373957723, 961987163, 1508970993, -1841331548, -1424204075, -670586216, 310598401, 607225278, 1426881987,
-	        1925078388, -2132889090, -1680079193, -1046744716, -459576895, -272742522,
-	        264347078, 604807628, 770255983, 1249150122, 1555081692, 1996064986, -1740746414, -1473132947, -1341970488, -1084653625, -958395405, -710438585,
-	        113926993, 338241895, 666307205, 773529912, 1294757372, 1396182291,
-	        1695183700, 1986661051, -2117940946, -1838011259, -1564481375, -1474664885, -1035236496, -949202525, -778901479, -694614492, -200395387, 275423344,
-	        430227734, 506948616, 659060556, 883997877, 958139571, 1322822218,
-	        1537002063, 1747873779, 1955562222, 2024104815, -2067236844, -1933114872, -1866530822, -1538233109, -1090935817, -965641998
-	      ];
-
-	      function binb(m, l) {
-	        var HASH = [1779033703, -1150833019, 1013904242, -1521486534,
-	          1359893119, -1694144372, 528734635, 1541459225
-	        ];
-	        var W = new Array(64);
-	        var a, b, c, d, e, f, g, h;
-	        var i, j, T1, T2;
-
-	        /* append padding */
-	        m[l >> 5] |= 0x80 << (24 - l % 32);
-	        m[((l + 64 >> 9) << 4) + 15] = l;
-
-	        for (i = 0; i < m.length; i += 16) {
-	          a = HASH[0];
-	          b = HASH[1];
-	          c = HASH[2];
-	          d = HASH[3];
-	          e = HASH[4];
-	          f = HASH[5];
-	          g = HASH[6];
-	          h = HASH[7];
-
-	          for (j = 0; j < 64; j += 1) {
-	            if (j < 16) {
-	              W[j] = m[j + i];
-	            } else {
-	              W[j] = safe_add(safe_add(safe_add(sha256_Gamma1256(W[j - 2]), W[j - 7]),
-	                sha256_Gamma0256(W[j - 15])), W[j - 16]);
-	            }
-
-	            T1 = safe_add(safe_add(safe_add(safe_add(h, sha256_Sigma1256(e)), sha256_Ch(e, f, g)),
-	              sha256_K[j]), W[j]);
-	            T2 = safe_add(sha256_Sigma0256(a), sha256_Maj(a, b, c));
-	            h = g;
-	            g = f;
-	            f = e;
-	            e = safe_add(d, T1);
-	            d = c;
-	            c = b;
-	            b = a;
-	            a = safe_add(T1, T2);
-	          }
-
-	          HASH[0] = safe_add(a, HASH[0]);
-	          HASH[1] = safe_add(b, HASH[1]);
-	          HASH[2] = safe_add(c, HASH[2]);
-	          HASH[3] = safe_add(d, HASH[3]);
-	          HASH[4] = safe_add(e, HASH[4]);
-	          HASH[5] = safe_add(f, HASH[5]);
-	          HASH[6] = safe_add(g, HASH[6]);
-	          HASH[7] = safe_add(h, HASH[7]);
-	        }
-	        return HASH;
-	      }
-
-	    },
-
-	    /**
-	     * @class Hashes.SHA512
-	     * @param {config}
-	     *
-	     * A JavaScript implementation of the Secure Hash Algorithm, SHA-512, as defined in FIPS 180-2
-	     * Version 2.2 Copyright Anonymous Contributor, Paul Johnston 2000 - 2009.
-	     * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
-	     * See http://pajhome.org.uk/crypt/md5 for details.
-	     */
-	    SHA512: function(options) {
-	      /**
-	       * Private properties configuration variables. You may need to tweak these to be compatible with
-	       * the server-side, but the defaults work in most cases.
-	       * @see this.setUpperCase() method
-	       * @see this.setPad() method
-	       */
-	      var hexcase = (options && typeof options.uppercase === 'boolean') ? options.uppercase : false,
-	        /* hexadecimal output case format. false - lowercase; true - uppercase  */
-	        b64pad = (options && typeof options.pad === 'string') ? options.pad : '=',
-	        /* base-64 pad character. Default '=' for strict RFC compliance   */
-	        utf8 = (options && typeof options.utf8 === 'boolean') ? options.utf8 : true,
-	        /* enable/disable utf8 encoding */
-	        sha512_k;
-
-	      /* privileged (public) methods */
-	      this.hex = function(s) {
-	        return rstr2hex(rstr(s));
-	      };
-	      this.b64 = function(s) {
-	        return rstr2b64(rstr(s), b64pad);
-	      };
-	      this.any = function(s, e) {
-	        return rstr2any(rstr(s), e);
-	      };
-	      this.raw = function(s) {
-	        return rstr(s);
-	      };
-	      this.hex_hmac = function(k, d) {
-	        return rstr2hex(rstr_hmac(k, d));
-	      };
-	      this.b64_hmac = function(k, d) {
-	        return rstr2b64(rstr_hmac(k, d), b64pad);
-	      };
-	      this.any_hmac = function(k, d, e) {
-	        return rstr2any(rstr_hmac(k, d), e);
-	      };
-	      /**
-	       * Perform a simple self-test to see if the VM is working
-	       * @return {String} Hexadecimal hash sample
-	       * @public
-	       */
-	      this.vm_test = function() {
-	        return hex('abc').toLowerCase() === '900150983cd24fb0d6963f7d28e17f72';
-	      };
-	      /**
-	       * @description Enable/disable uppercase hexadecimal returned string
-	       * @param {boolean}
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setUpperCase = function(a) {
-	        if (typeof a === 'boolean') {
-	          hexcase = a;
-	        }
-	        return this;
-	      };
-	      /**
-	       * @description Defines a base64 pad string
-	       * @param {string} Pad
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setPad = function(a) {
-	        b64pad = a || b64pad;
-	        return this;
-	      };
-	      /**
-	       * @description Defines a base64 pad string
-	       * @param {boolean}
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setUTF8 = function(a) {
-	        if (typeof a === 'boolean') {
-	          utf8 = a;
-	        }
-	        return this;
-	      };
-
-	      /* private methods */
-
-	      /**
-	       * Calculate the SHA-512 of a raw string
-	       */
-
-	      function rstr(s) {
-	        s = (utf8) ? utf8Encode(s) : s;
-	        return binb2rstr(binb(rstr2binb(s), s.length * 8));
-	      }
-	      /*
-	       * Calculate the HMAC-SHA-512 of a key and some data (raw strings)
-	       */
-
-	      function rstr_hmac(key, data) {
-	        key = (utf8) ? utf8Encode(key) : key;
-	        data = (utf8) ? utf8Encode(data) : data;
-
-	        var hash, i = 0,
-	          bkey = rstr2binb(key),
-	          ipad = Array(32),
-	          opad = Array(32);
-
-	        if (bkey.length > 32) {
-	          bkey = binb(bkey, key.length * 8);
-	        }
-
-	        for (; i < 32; i += 1) {
-	          ipad[i] = bkey[i] ^ 0x36363636;
-	          opad[i] = bkey[i] ^ 0x5C5C5C5C;
-	        }
-
-	        hash = binb(ipad.concat(rstr2binb(data)), 1024 + data.length * 8);
-	        return binb2rstr(binb(opad.concat(hash), 1024 + 512));
-	      }
-
-	      /**
-	       * Calculate the SHA-512 of an array of big-endian dwords, and a bit length
-	       */
-
-	      function binb(x, len) {
-	        var j, i, l,
-	          W = new Array(80),
-	          hash = new Array(16),
-	          //Initial hash values
-	          H = [
-	            new int64(0x6a09e667, -205731576),
-	            new int64(-1150833019, -2067093701),
-	            new int64(0x3c6ef372, -23791573),
-	            new int64(-1521486534, 0x5f1d36f1),
-	            new int64(0x510e527f, -1377402159),
-	            new int64(-1694144372, 0x2b3e6c1f),
-	            new int64(0x1f83d9ab, -79577749),
-	            new int64(0x5be0cd19, 0x137e2179)
-	          ],
-	          T1 = new int64(0, 0),
-	          T2 = new int64(0, 0),
-	          a = new int64(0, 0),
-	          b = new int64(0, 0),
-	          c = new int64(0, 0),
-	          d = new int64(0, 0),
-	          e = new int64(0, 0),
-	          f = new int64(0, 0),
-	          g = new int64(0, 0),
-	          h = new int64(0, 0),
-	          //Temporary variables not specified by the document
-	          s0 = new int64(0, 0),
-	          s1 = new int64(0, 0),
-	          Ch = new int64(0, 0),
-	          Maj = new int64(0, 0),
-	          r1 = new int64(0, 0),
-	          r2 = new int64(0, 0),
-	          r3 = new int64(0, 0);
-
-	        if (sha512_k === undefined) {
-	          //SHA512 constants
-	          sha512_k = [
-	            new int64(0x428a2f98, -685199838), new int64(0x71374491, 0x23ef65cd),
-	            new int64(-1245643825, -330482897), new int64(-373957723, -2121671748),
-	            new int64(0x3956c25b, -213338824), new int64(0x59f111f1, -1241133031),
-	            new int64(-1841331548, -1357295717), new int64(-1424204075, -630357736),
-	            new int64(-670586216, -1560083902), new int64(0x12835b01, 0x45706fbe),
-	            new int64(0x243185be, 0x4ee4b28c), new int64(0x550c7dc3, -704662302),
-	            new int64(0x72be5d74, -226784913), new int64(-2132889090, 0x3b1696b1),
-	            new int64(-1680079193, 0x25c71235), new int64(-1046744716, -815192428),
-	            new int64(-459576895, -1628353838), new int64(-272742522, 0x384f25e3),
-	            new int64(0xfc19dc6, -1953704523), new int64(0x240ca1cc, 0x77ac9c65),
-	            new int64(0x2de92c6f, 0x592b0275), new int64(0x4a7484aa, 0x6ea6e483),
-	            new int64(0x5cb0a9dc, -1119749164), new int64(0x76f988da, -2096016459),
-	            new int64(-1740746414, -295247957), new int64(-1473132947, 0x2db43210),
-	            new int64(-1341970488, -1728372417), new int64(-1084653625, -1091629340),
-	            new int64(-958395405, 0x3da88fc2), new int64(-710438585, -1828018395),
-	            new int64(0x6ca6351, -536640913), new int64(0x14292967, 0xa0e6e70),
-	            new int64(0x27b70a85, 0x46d22ffc), new int64(0x2e1b2138, 0x5c26c926),
-	            new int64(0x4d2c6dfc, 0x5ac42aed), new int64(0x53380d13, -1651133473),
-	            new int64(0x650a7354, -1951439906), new int64(0x766a0abb, 0x3c77b2a8),
-	            new int64(-2117940946, 0x47edaee6), new int64(-1838011259, 0x1482353b),
-	            new int64(-1564481375, 0x4cf10364), new int64(-1474664885, -1136513023),
-	            new int64(-1035236496, -789014639), new int64(-949202525, 0x654be30),
-	            new int64(-778901479, -688958952), new int64(-694614492, 0x5565a910),
-	            new int64(-200395387, 0x5771202a), new int64(0x106aa070, 0x32bbd1b8),
-	            new int64(0x19a4c116, -1194143544), new int64(0x1e376c08, 0x5141ab53),
-	            new int64(0x2748774c, -544281703), new int64(0x34b0bcb5, -509917016),
-	            new int64(0x391c0cb3, -976659869), new int64(0x4ed8aa4a, -482243893),
-	            new int64(0x5b9cca4f, 0x7763e373), new int64(0x682e6ff3, -692930397),
-	            new int64(0x748f82ee, 0x5defb2fc), new int64(0x78a5636f, 0x43172f60),
-	            new int64(-2067236844, -1578062990), new int64(-1933114872, 0x1a6439ec),
-	            new int64(-1866530822, 0x23631e28), new int64(-1538233109, -561857047),
-	            new int64(-1090935817, -1295615723), new int64(-965641998, -479046869),
-	            new int64(-903397682, -366583396), new int64(-779700025, 0x21c0c207),
-	            new int64(-354779690, -840897762), new int64(-176337025, -294727304),
-	            new int64(0x6f067aa, 0x72176fba), new int64(0xa637dc5, -1563912026),
-	            new int64(0x113f9804, -1090974290), new int64(0x1b710b35, 0x131c471b),
-	            new int64(0x28db77f5, 0x23047d84), new int64(0x32caab7b, 0x40c72493),
-	            new int64(0x3c9ebe0a, 0x15c9bebc), new int64(0x431d67c4, -1676669620),
-	            new int64(0x4cc5d4be, -885112138), new int64(0x597f299c, -60457430),
-	            new int64(0x5fcb6fab, 0x3ad6faec), new int64(0x6c44198c, 0x4a475817)
-	          ];
-	        }
-
-	        for (i = 0; i < 80; i += 1) {
-	          W[i] = new int64(0, 0);
-	        }
-
-	        // append padding to the source string. The format is described in the FIPS.
-	        x[len >> 5] |= 0x80 << (24 - (len & 0x1f));
-	        x[((len + 128 >> 10) << 5) + 31] = len;
-	        l = x.length;
-	        for (i = 0; i < l; i += 32) { //32 dwords is the block size
-	          int64copy(a, H[0]);
-	          int64copy(b, H[1]);
-	          int64copy(c, H[2]);
-	          int64copy(d, H[3]);
-	          int64copy(e, H[4]);
-	          int64copy(f, H[5]);
-	          int64copy(g, H[6]);
-	          int64copy(h, H[7]);
-
-	          for (j = 0; j < 16; j += 1) {
-	            W[j].h = x[i + 2 * j];
-	            W[j].l = x[i + 2 * j + 1];
-	          }
-
-	          for (j = 16; j < 80; j += 1) {
-	            //sigma1
-	            int64rrot(r1, W[j - 2], 19);
-	            int64revrrot(r2, W[j - 2], 29);
-	            int64shr(r3, W[j - 2], 6);
-	            s1.l = r1.l ^ r2.l ^ r3.l;
-	            s1.h = r1.h ^ r2.h ^ r3.h;
-	            //sigma0
-	            int64rrot(r1, W[j - 15], 1);
-	            int64rrot(r2, W[j - 15], 8);
-	            int64shr(r3, W[j - 15], 7);
-	            s0.l = r1.l ^ r2.l ^ r3.l;
-	            s0.h = r1.h ^ r2.h ^ r3.h;
-
-	            int64add4(W[j], s1, W[j - 7], s0, W[j - 16]);
-	          }
-
-	          for (j = 0; j < 80; j += 1) {
-	            //Ch
-	            Ch.l = (e.l & f.l) ^ (~e.l & g.l);
-	            Ch.h = (e.h & f.h) ^ (~e.h & g.h);
-
-	            //Sigma1
-	            int64rrot(r1, e, 14);
-	            int64rrot(r2, e, 18);
-	            int64revrrot(r3, e, 9);
-	            s1.l = r1.l ^ r2.l ^ r3.l;
-	            s1.h = r1.h ^ r2.h ^ r3.h;
-
-	            //Sigma0
-	            int64rrot(r1, a, 28);
-	            int64revrrot(r2, a, 2);
-	            int64revrrot(r3, a, 7);
-	            s0.l = r1.l ^ r2.l ^ r3.l;
-	            s0.h = r1.h ^ r2.h ^ r3.h;
-
-	            //Maj
-	            Maj.l = (a.l & b.l) ^ (a.l & c.l) ^ (b.l & c.l);
-	            Maj.h = (a.h & b.h) ^ (a.h & c.h) ^ (b.h & c.h);
-
-	            int64add5(T1, h, s1, Ch, sha512_k[j], W[j]);
-	            int64add(T2, s0, Maj);
-
-	            int64copy(h, g);
-	            int64copy(g, f);
-	            int64copy(f, e);
-	            int64add(e, d, T1);
-	            int64copy(d, c);
-	            int64copy(c, b);
-	            int64copy(b, a);
-	            int64add(a, T1, T2);
-	          }
-	          int64add(H[0], H[0], a);
-	          int64add(H[1], H[1], b);
-	          int64add(H[2], H[2], c);
-	          int64add(H[3], H[3], d);
-	          int64add(H[4], H[4], e);
-	          int64add(H[5], H[5], f);
-	          int64add(H[6], H[6], g);
-	          int64add(H[7], H[7], h);
-	        }
-
-	        //represent the hash as an array of 32-bit dwords
-	        for (i = 0; i < 8; i += 1) {
-	          hash[2 * i] = H[i].h;
-	          hash[2 * i + 1] = H[i].l;
-	        }
-	        return hash;
-	      }
-
-	      //A constructor for 64-bit numbers
-
-	      function int64(h, l) {
-	        this.h = h;
-	        this.l = l;
-	        //this.toString = int64toString;
-	      }
-
-	      //Copies src into dst, assuming both are 64-bit numbers
-
-	      function int64copy(dst, src) {
-	        dst.h = src.h;
-	        dst.l = src.l;
-	      }
-
-	      //Right-rotates a 64-bit number by shift
-	      //Won't handle cases of shift>=32
-	      //The function revrrot() is for that
-
-	      function int64rrot(dst, x, shift) {
-	        dst.l = (x.l >>> shift) | (x.h << (32 - shift));
-	        dst.h = (x.h >>> shift) | (x.l << (32 - shift));
-	      }
-
-	      //Reverses the dwords of the source and then rotates right by shift.
-	      //This is equivalent to rotation by 32+shift
-
-	      function int64revrrot(dst, x, shift) {
-	        dst.l = (x.h >>> shift) | (x.l << (32 - shift));
-	        dst.h = (x.l >>> shift) | (x.h << (32 - shift));
-	      }
-
-	      //Bitwise-shifts right a 64-bit number by shift
-	      //Won't handle shift>=32, but it's never needed in SHA512
-
-	      function int64shr(dst, x, shift) {
-	        dst.l = (x.l >>> shift) | (x.h << (32 - shift));
-	        dst.h = (x.h >>> shift);
-	      }
-
-	      //Adds two 64-bit numbers
-	      //Like the original implementation, does not rely on 32-bit operations
-
-	      function int64add(dst, x, y) {
-	        var w0 = (x.l & 0xffff) + (y.l & 0xffff);
-	        var w1 = (x.l >>> 16) + (y.l >>> 16) + (w0 >>> 16);
-	        var w2 = (x.h & 0xffff) + (y.h & 0xffff) + (w1 >>> 16);
-	        var w3 = (x.h >>> 16) + (y.h >>> 16) + (w2 >>> 16);
-	        dst.l = (w0 & 0xffff) | (w1 << 16);
-	        dst.h = (w2 & 0xffff) | (w3 << 16);
-	      }
-
-	      //Same, except with 4 addends. Works faster than adding them one by one.
-
-	      function int64add4(dst, a, b, c, d) {
-	        var w0 = (a.l & 0xffff) + (b.l & 0xffff) + (c.l & 0xffff) + (d.l & 0xffff);
-	        var w1 = (a.l >>> 16) + (b.l >>> 16) + (c.l >>> 16) + (d.l >>> 16) + (w0 >>> 16);
-	        var w2 = (a.h & 0xffff) + (b.h & 0xffff) + (c.h & 0xffff) + (d.h & 0xffff) + (w1 >>> 16);
-	        var w3 = (a.h >>> 16) + (b.h >>> 16) + (c.h >>> 16) + (d.h >>> 16) + (w2 >>> 16);
-	        dst.l = (w0 & 0xffff) | (w1 << 16);
-	        dst.h = (w2 & 0xffff) | (w3 << 16);
-	      }
-
-	      //Same, except with 5 addends
-
-	      function int64add5(dst, a, b, c, d, e) {
-	        var w0 = (a.l & 0xffff) + (b.l & 0xffff) + (c.l & 0xffff) + (d.l & 0xffff) + (e.l & 0xffff),
-	          w1 = (a.l >>> 16) + (b.l >>> 16) + (c.l >>> 16) + (d.l >>> 16) + (e.l >>> 16) + (w0 >>> 16),
-	          w2 = (a.h & 0xffff) + (b.h & 0xffff) + (c.h & 0xffff) + (d.h & 0xffff) + (e.h & 0xffff) + (w1 >>> 16),
-	          w3 = (a.h >>> 16) + (b.h >>> 16) + (c.h >>> 16) + (d.h >>> 16) + (e.h >>> 16) + (w2 >>> 16);
-	        dst.l = (w0 & 0xffff) | (w1 << 16);
-	        dst.h = (w2 & 0xffff) | (w3 << 16);
-	      }
-	    },
-	    /**
-	     * @class Hashes.RMD160
-	     * @constructor
-	     * @param {Object} [config]
-	     *
-	     * A JavaScript implementation of the RIPEMD-160 Algorithm
-	     * Version 2.2 Copyright Jeremy Lin, Paul Johnston 2000 - 2009.
-	     * Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
-	     * See http://pajhome.org.uk/crypt/md5 for details.
-	     * Also http://www.ocf.berkeley.edu/~jjlin/jsotp/
-	     */
-	    RMD160: function(options) {
-	      /**
-	       * Private properties configuration variables. You may need to tweak these to be compatible with
-	       * the server-side, but the defaults work in most cases.
-	       * @see this.setUpperCase() method
-	       * @see this.setPad() method
-	       */
-	      var hexcase = (options && typeof options.uppercase === 'boolean') ? options.uppercase : false,
-	        /* hexadecimal output case format. false - lowercase; true - uppercase  */
-	        b64pad = (options && typeof options.pad === 'string') ? options.pa : '=',
-	        /* base-64 pad character. Default '=' for strict RFC compliance   */
-	        utf8 = (options && typeof options.utf8 === 'boolean') ? options.utf8 : true,
-	        /* enable/disable utf8 encoding */
-	        rmd160_r1 = [
-	          0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
-	          7, 4, 13, 1, 10, 6, 15, 3, 12, 0, 9, 5, 2, 14, 11, 8,
-	          3, 10, 14, 4, 9, 15, 8, 1, 2, 7, 0, 6, 13, 11, 5, 12,
-	          1, 9, 11, 10, 0, 8, 12, 4, 13, 3, 7, 15, 14, 5, 6, 2,
-	          4, 0, 5, 9, 7, 12, 2, 10, 14, 1, 3, 8, 11, 6, 15, 13
-	        ],
-	        rmd160_r2 = [
-	          5, 14, 7, 0, 9, 2, 11, 4, 13, 6, 15, 8, 1, 10, 3, 12,
-	          6, 11, 3, 7, 0, 13, 5, 10, 14, 15, 8, 12, 4, 9, 1, 2,
-	          15, 5, 1, 3, 7, 14, 6, 9, 11, 8, 12, 2, 10, 0, 4, 13,
-	          8, 6, 4, 1, 3, 11, 15, 0, 5, 12, 2, 13, 9, 7, 10, 14,
-	          12, 15, 10, 4, 1, 5, 8, 7, 6, 2, 13, 14, 0, 3, 9, 11
-	        ],
-	        rmd160_s1 = [
-	          11, 14, 15, 12, 5, 8, 7, 9, 11, 13, 14, 15, 6, 7, 9, 8,
-	          7, 6, 8, 13, 11, 9, 7, 15, 7, 12, 15, 9, 11, 7, 13, 12,
-	          11, 13, 6, 7, 14, 9, 13, 15, 14, 8, 13, 6, 5, 12, 7, 5,
-	          11, 12, 14, 15, 14, 15, 9, 8, 9, 14, 5, 6, 8, 6, 5, 12,
-	          9, 15, 5, 11, 6, 8, 13, 12, 5, 12, 13, 14, 11, 8, 5, 6
-	        ],
-	        rmd160_s2 = [
-	          8, 9, 9, 11, 13, 15, 15, 5, 7, 7, 8, 11, 14, 14, 12, 6,
-	          9, 13, 15, 7, 12, 8, 9, 11, 7, 7, 12, 7, 6, 15, 13, 11,
-	          9, 7, 15, 11, 8, 6, 6, 14, 12, 13, 5, 14, 13, 13, 7, 5,
-	          15, 5, 8, 11, 14, 14, 6, 14, 6, 9, 12, 9, 12, 5, 15, 8,
-	          8, 5, 12, 9, 12, 5, 14, 6, 8, 13, 6, 5, 15, 13, 11, 11
-	        ];
-
-	      /* privileged (public) methods */
-	      this.hex = function(s) {
-	        return rstr2hex(rstr(s));
-	      };
-	      this.b64 = function(s) {
-	        return rstr2b64(rstr(s), b64pad);
-	      };
-	      this.any = function(s, e) {
-	        return rstr2any(rstr(s), e);
-	      };
-	      this.raw = function(s) {
-	        return rstr(s);
-	      };
-	      this.hex_hmac = function(k, d) {
-	        return rstr2hex(rstr_hmac(k, d));
-	      };
-	      this.b64_hmac = function(k, d) {
-	        return rstr2b64(rstr_hmac(k, d), b64pad);
-	      };
-	      this.any_hmac = function(k, d, e) {
-	        return rstr2any(rstr_hmac(k, d), e);
-	      };
-	      /**
-	       * Perform a simple self-test to see if the VM is working
-	       * @return {String} Hexadecimal hash sample
-	       * @public
-	       */
-	      this.vm_test = function() {
-	        return hex('abc').toLowerCase() === '900150983cd24fb0d6963f7d28e17f72';
-	      };
-	      /**
-	       * @description Enable/disable uppercase hexadecimal returned string
-	       * @param {boolean}
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setUpperCase = function(a) {
-	        if (typeof a === 'boolean') {
-	          hexcase = a;
-	        }
-	        return this;
-	      };
-	      /**
-	       * @description Defines a base64 pad string
-	       * @param {string} Pad
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setPad = function(a) {
-	        if (typeof a !== 'undefined') {
-	          b64pad = a;
-	        }
-	        return this;
-	      };
-	      /**
-	       * @description Defines a base64 pad string
-	       * @param {boolean}
-	       * @return {Object} this
-	       * @public
-	       */
-	      this.setUTF8 = function(a) {
-	        if (typeof a === 'boolean') {
-	          utf8 = a;
-	        }
-	        return this;
-	      };
-
-	      /* private methods */
-
-	      /**
-	       * Calculate the rmd160 of a raw string
-	       */
-
-	      function rstr(s) {
-	        s = (utf8) ? utf8Encode(s) : s;
-	        return binl2rstr(binl(rstr2binl(s), s.length * 8));
-	      }
-
-	      /**
-	       * Calculate the HMAC-rmd160 of a key and some data (raw strings)
-	       */
-
-	      function rstr_hmac(key, data) {
-	        key = (utf8) ? utf8Encode(key) : key;
-	        data = (utf8) ? utf8Encode(data) : data;
-	        var i, hash,
-	          bkey = rstr2binl(key),
-	          ipad = Array(16),
-	          opad = Array(16);
-
-	        if (bkey.length > 16) {
-	          bkey = binl(bkey, key.length * 8);
-	        }
-
-	        for (i = 0; i < 16; i += 1) {
-	          ipad[i] = bkey[i] ^ 0x36363636;
-	          opad[i] = bkey[i] ^ 0x5C5C5C5C;
-	        }
-	        hash = binl(ipad.concat(rstr2binl(data)), 512 + data.length * 8);
-	        return binl2rstr(binl(opad.concat(hash), 512 + 160));
-	      }
-
-	      /**
-	       * Convert an array of little-endian words to a string
-	       */
-
-	      function binl2rstr(input) {
-	        var i, output = '',
-	          l = input.length * 32;
-	        for (i = 0; i < l; i += 8) {
-	          output += String.fromCharCode((input[i >> 5] >>> (i % 32)) & 0xFF);
-	        }
-	        return output;
-	      }
-
-	      /**
-	       * Calculate the RIPE-MD160 of an array of little-endian words, and a bit length.
-	       */
-
-	      function binl(x, len) {
-	        var T, j, i, l,
-	          h0 = 0x67452301,
-	          h1 = 0xefcdab89,
-	          h2 = 0x98badcfe,
-	          h3 = 0x10325476,
-	          h4 = 0xc3d2e1f0,
-	          A1, B1, C1, D1, E1,
-	          A2, B2, C2, D2, E2;
-
-	        /* append padding */
-	        x[len >> 5] |= 0x80 << (len % 32);
-	        x[(((len + 64) >>> 9) << 4) + 14] = len;
-	        l = x.length;
-
-	        for (i = 0; i < l; i += 16) {
-	          A1 = A2 = h0;
-	          B1 = B2 = h1;
-	          C1 = C2 = h2;
-	          D1 = D2 = h3;
-	          E1 = E2 = h4;
-	          for (j = 0; j <= 79; j += 1) {
-	            T = safe_add(A1, rmd160_f(j, B1, C1, D1));
-	            T = safe_add(T, x[i + rmd160_r1[j]]);
-	            T = safe_add(T, rmd160_K1(j));
-	            T = safe_add(bit_rol(T, rmd160_s1[j]), E1);
-	            A1 = E1;
-	            E1 = D1;
-	            D1 = bit_rol(C1, 10);
-	            C1 = B1;
-	            B1 = T;
-	            T = safe_add(A2, rmd160_f(79 - j, B2, C2, D2));
-	            T = safe_add(T, x[i + rmd160_r2[j]]);
-	            T = safe_add(T, rmd160_K2(j));
-	            T = safe_add(bit_rol(T, rmd160_s2[j]), E2);
-	            A2 = E2;
-	            E2 = D2;
-	            D2 = bit_rol(C2, 10);
-	            C2 = B2;
-	            B2 = T;
-	          }
-
-	          T = safe_add(h1, safe_add(C1, D2));
-	          h1 = safe_add(h2, safe_add(D1, E2));
-	          h2 = safe_add(h3, safe_add(E1, A2));
-	          h3 = safe_add(h4, safe_add(A1, B2));
-	          h4 = safe_add(h0, safe_add(B1, C2));
-	          h0 = T;
-	        }
-	        return [h0, h1, h2, h3, h4];
-	      }
-
-	      // specific algorithm methods
-
-	      function rmd160_f(j, x, y, z) {
-	        return (0 <= j && j <= 15) ? (x ^ y ^ z) :
-	          (16 <= j && j <= 31) ? (x & y) | (~x & z) :
-	          (32 <= j && j <= 47) ? (x | ~y) ^ z :
-	          (48 <= j && j <= 63) ? (x & z) | (y & ~z) :
-	          (64 <= j && j <= 79) ? x ^ (y | ~z) :
-	          'rmd160_f: j out of range';
-	      }
-
-	      function rmd160_K1(j) {
-	        return (0 <= j && j <= 15) ? 0x00000000 :
-	          (16 <= j && j <= 31) ? 0x5a827999 :
-	          (32 <= j && j <= 47) ? 0x6ed9eba1 :
-	          (48 <= j && j <= 63) ? 0x8f1bbcdc :
-	          (64 <= j && j <= 79) ? 0xa953fd4e :
-	          'rmd160_K1: j out of range';
-	      }
-
-	      function rmd160_K2(j) {
-	        return (0 <= j && j <= 15) ? 0x50a28be6 :
-	          (16 <= j && j <= 31) ? 0x5c4dd124 :
-	          (32 <= j && j <= 47) ? 0x6d703ef3 :
-	          (48 <= j && j <= 63) ? 0x7a6d76e9 :
-	          (64 <= j && j <= 79) ? 0x00000000 :
-	          'rmd160_K2: j out of range';
-	      }
-	    }
-	  };
-
-	  // exposes Hashes
-	  (function(window, undefined$1) {
-	    var freeExports = false;
-	    {
-	      freeExports = exports;
-	      if (exports && typeof commonjsGlobal === 'object' && commonjsGlobal && commonjsGlobal === commonjsGlobal.global) {
-	        window = commonjsGlobal;
-	      }
-	    }
-
-	    if (typeof undefined$1 === 'function' && typeof undefined$1.amd === 'object' && undefined$1.amd) {
-	      // define as an anonymous module, so, through path mapping, it can be aliased
-	      undefined$1(function() {
-	        return Hashes;
-	      });
-	    } else if (freeExports) {
-	      // in Node.js or RingoJS v0.8.0+
-	      if ( module && module.exports === freeExports) {
-	        module.exports = Hashes;
-	      }
-	      // in Narwhal or RingoJS v0.7.0-
-	      else {
-	        freeExports.Hashes = Hashes;
-	      }
-	    } else {
-	      // in a browser or Rhino
-	      window.Hashes = Hashes;
-	    }
-	  }(this));
-	}()); // IIFE
-	});
-
-	var immutable = extend$2;
-
-	var hasOwnProperty$3 = Object.prototype.hasOwnProperty;
-
-	function extend$2() {
-	    var target = {};
-
-	    for (var i = 0; i < arguments.length; i++) {
-	        var source = arguments[i];
-
-	        for (var key in source) {
-	            if (hasOwnProperty$3.call(source, key)) {
-	                target[key] = source[key];
-	            }
-	        }
-	    }
-
-	    return target
-	}
-
-	var sha1 = new hashes.SHA1();
-
-	var ohauth = {};
-
-	ohauth.qsString = function(obj) {
-	    return Object.keys(obj).sort().map(function(key) {
-	        return ohauth.percentEncode(key) + '=' +
-	            ohauth.percentEncode(obj[key]);
-	    }).join('&');
-	};
-
-	ohauth.stringQs = function(str) {
-	    return str.split('&').filter(function (pair) {
-	        return pair !== '';
-	    }).reduce(function(obj, pair){
-	        var parts = pair.split('=');
-	        obj[decodeURIComponent(parts[0])] = (null === parts[1]) ?
-	            '' : decodeURIComponent(parts[1]);
-	        return obj;
-	    }, {});
-	};
-
-	ohauth.rawxhr = function(method, url, data, headers, callback) {
-	    var xhr = new XMLHttpRequest(),
-	        twoHundred = /^20\d$/;
-	    xhr.onreadystatechange = function() {
-	        if (4 === xhr.readyState && 0 !== xhr.status) {
-	            if (twoHundred.test(xhr.status)) callback(null, xhr);
-	            else return callback(xhr, null);
-	        }
-	    };
-	    xhr.onerror = function(e) { return callback(e, null); };
-	    xhr.open(method, url, true);
-	    for (var h in headers) xhr.setRequestHeader(h, headers[h]);
-	    xhr.send(data);
-	    return xhr;
-	};
-
-	ohauth.xhr = function(method, url, auth, data, options, callback) {
-	    var headers = (options && options.header) || {
-	        'Content-Type': 'application/x-www-form-urlencoded'
-	    };
-	    headers.Authorization = 'OAuth ' + ohauth.authHeader(auth);
-	    return ohauth.rawxhr(method, url, data, headers, callback);
-	};
-
-	ohauth.nonce = function() {
-	    for (var o = ''; o.length < 6;) {
-	        o += '0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz'[Math.floor(Math.random() * 61)];
-	    }
-	    return o;
-	};
-
-	ohauth.authHeader = function(obj) {
-	    return Object.keys(obj).sort().map(function(key) {
-	        return encodeURIComponent(key) + '="' + encodeURIComponent(obj[key]) + '"';
-	    }).join(', ');
-	};
-
-	ohauth.timestamp = function() { return ~~((+new Date()) / 1000); };
-
-	ohauth.percentEncode = function(s) {
-	    return encodeURIComponent(s)
-	        .replace(/\!/g, '%21').replace(/\'/g, '%27')
-	        .replace(/\*/g, '%2A').replace(/\(/g, '%28').replace(/\)/g, '%29');
-	};
-
-	ohauth.baseString = function(method, url, params) {
-	    if (params.oauth_signature) delete params.oauth_signature;
-	    return [
-	        method,
-	        ohauth.percentEncode(url),
-	        ohauth.percentEncode(ohauth.qsString(params))].join('&');
-	};
-
-	ohauth.signature = function(oauth_secret, token_secret, baseString) {
-	    return sha1.b64_hmac(
-	        ohauth.percentEncode(oauth_secret) + '&' +
-	        ohauth.percentEncode(token_secret),
-	        baseString);
-	};
-
-	/**
-	 * Takes an options object for configuration (consumer_key,
-	 * consumer_secret, version, signature_method, token, token_secret)
-	 * and returns a function that generates the Authorization header
-	 * for given data.
-	 *
-	 * The returned function takes these parameters:
-	 * - method: GET/POST/...
-	 * - uri: full URI with protocol, port, path and query string
-	 * - extra_params: any extra parameters (that are passed in the POST data),
-	 *   can be an object or a from-urlencoded string.
-	 *
-	 * Returned function returns full OAuth header with "OAuth" string in it.
-	 */
-
-	ohauth.headerGenerator = function(options) {
-	    options = options || {};
-	    var consumer_key = options.consumer_key || '',
-	        consumer_secret = options.consumer_secret || '',
-	        signature_method = options.signature_method || 'HMAC-SHA1',
-	        version = options.version || '1.0',
-	        token = options.token || '',
-	        token_secret = options.token_secret || '';
-
-	    return function(method, uri, extra_params) {
-	        method = method.toUpperCase();
-	        if (typeof extra_params === 'string' && extra_params.length > 0) {
-	            extra_params = ohauth.stringQs(extra_params);
-	        }
-
-	        var uri_parts = uri.split('?', 2),
-	        base_uri = uri_parts[0];
-
-	        var query_params = uri_parts.length === 2 ?
-	            ohauth.stringQs(uri_parts[1]) : {};
-
-	        var oauth_params = {
-	            oauth_consumer_key: consumer_key,
-	            oauth_signature_method: signature_method,
-	            oauth_version: version,
-	            oauth_timestamp: ohauth.timestamp(),
-	            oauth_nonce: ohauth.nonce()
-	        };
-
-	        if (token) oauth_params.oauth_token = token;
-
-	        var all_params = immutable({}, oauth_params, query_params, extra_params),
-	            base_str = ohauth.baseString(method, base_uri, all_params);
-
-	        oauth_params.oauth_signature = ohauth.signature(consumer_secret, token_secret, base_str);
-
-	        return 'OAuth ' + ohauth.authHeader(oauth_params);
-	    };
-	};
-
-	var ohauth_1 = ohauth;
-
-	var resolveUrl$1 = createCommonjsModule(function (module, exports) {
-	// Copyright 2014 Simon Lydell
-	// X11 (“MIT”) Licensed. (See LICENSE.)
-
-	void (function(root, factory) {
-	  {
-	    module.exports = factory();
-	  }
-	}(commonjsGlobal, function() {
-
-	  function resolveUrl(/* ...urls */) {
-	    var numUrls = arguments.length;
-
-	    if (numUrls === 0) {
-	      throw new Error("resolveUrl requires at least one argument; got none.")
-	    }
-
-	    var base = document.createElement("base");
-	    base.href = arguments[0];
-
-	    if (numUrls === 1) {
-	      return base.href
-	    }
-
-	    var head = document.getElementsByTagName("head")[0];
-	    head.insertBefore(base, head.firstChild);
-
-	    var a = document.createElement("a");
-	    var resolved;
-
-	    for (var index = 1; index < numUrls; index++) {
-	      a.href = arguments[index];
-	      resolved = a.href;
-	      base.href = resolved;
-	    }
-
-	    head.removeChild(base);
-
-	    return resolved
-	  }
-
-	  return resolveUrl
-
-	}));
-	});
-
-	var assign$1 = make_assign();
-	var create$8 = make_create();
-	var trim = make_trim();
-	var Global = (typeof window !== 'undefined' ? window : commonjsGlobal);
-
-	var util = {
-		assign: assign$1,
-		create: create$8,
-		trim: trim,
-		bind: bind$3,
-		slice: slice$5,
-		each: each,
-		map: map$5,
-		pluck: pluck,
-		isList: isList,
-		isFunction: isFunction$2,
-		isObject: isObject$2,
-		Global: Global
-	};
-
-	function make_assign() {
-		if (Object.assign) {
-			return Object.assign
-		} else {
-			return function shimAssign(obj, props1, props2, etc) {
-				for (var i = 1; i < arguments.length; i++) {
-					each(Object(arguments[i]), function(val, key) {
-						obj[key] = val;
-					});
-				}			
-				return obj
-			}
-		}
-	}
-
-	function make_create() {
-		if (Object.create) {
-			return function create(obj, assignProps1, assignProps2, etc) {
-				var assignArgsList = slice$5(arguments, 1);
-				return assign$1.apply(this, [Object.create(obj)].concat(assignArgsList))
-			}
-		} else {
-			function F() {} // eslint-disable-line no-inner-declarations
-			return function create(obj, assignProps1, assignProps2, etc) {
-				var assignArgsList = slice$5(arguments, 1);
-				F.prototype = obj;
-				return assign$1.apply(this, [new F()].concat(assignArgsList))
-			}
-		}
-	}
-
-	function make_trim() {
-		if (String.prototype.trim) {
-			return function trim(str) {
-				return String.prototype.trim.call(str)
-			}
-		} else {
-			return function trim(str) {
-				return str.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '')
-			}
-		}
-	}
-
-	function bind$3(obj, fn) {
-		return function() {
-			return fn.apply(obj, Array.prototype.slice.call(arguments, 0))
-		}
-	}
-
-	function slice$5(arr, index) {
-		return Array.prototype.slice.call(arr, index || 0)
-	}
-
-	function each(obj, fn) {
-		pluck(obj, function(val, key) {
-			fn(val, key);
-			return false
-		});
-	}
-
-	function map$5(obj, fn) {
-		var res = (isList(obj) ? [] : {});
-		pluck(obj, function(v, k) {
-			res[k] = fn(v, k);
-			return false
-		});
-		return res
-	}
-
-	function pluck(obj, fn) {
-		if (isList(obj)) {
-			for (var i=0; i<obj.length; i++) {
-				if (fn(obj[i], i)) {
-					return obj[i]
-				}
-			}
-		} else {
-			for (var key in obj) {
-				if (obj.hasOwnProperty(key)) {
-					if (fn(obj[key], key)) {
-						return obj[key]
-					}
-				}
-			}
-		}
-	}
-
-	function isList(val) {
-		return (val != null && typeof val != 'function' && typeof val.length == 'number')
-	}
-
-	function isFunction$2(val) {
-		return val && {}.toString.call(val) === '[object Function]'
-	}
-
-	function isObject$2(val) {
-		return val && {}.toString.call(val) === '[object Object]'
-	}
-
-	var slice$6 = util.slice;
-	var pluck$1 = util.pluck;
-	var each$1 = util.each;
-	var bind$4 = util.bind;
-	var create$9 = util.create;
-	var isList$1 = util.isList;
-	var isFunction$3 = util.isFunction;
-	var isObject$3 = util.isObject;
-
-	var storeEngine = {
-		createStore: createStore
-	};
-
-	var storeAPI = {
-		version: '2.0.12',
-		enabled: false,
-		
-		// get returns the value of the given key. If that value
-		// is undefined, it returns optionalDefaultValue instead.
-		get: function(key, optionalDefaultValue) {
-			var data = this.storage.read(this._namespacePrefix + key);
-			return this._deserialize(data, optionalDefaultValue)
-		},
-
-		// set will store the given value at key and returns value.
-		// Calling set with value === undefined is equivalent to calling remove.
-		set: function(key, value) {
-			if (value === undefined) {
-				return this.remove(key)
-			}
-			this.storage.write(this._namespacePrefix + key, this._serialize(value));
-			return value
-		},
-
-		// remove deletes the key and value stored at the given key.
-		remove: function(key) {
-			this.storage.remove(this._namespacePrefix + key);
-		},
-
-		// each will call the given callback once for each key-value pair
-		// in this store.
-		each: function(callback) {
-			var self = this;
-			this.storage.each(function(val, namespacedKey) {
-				callback.call(self, self._deserialize(val), (namespacedKey || '').replace(self._namespaceRegexp, ''));
-			});
-		},
-
-		// clearAll will remove all the stored key-value pairs in this store.
-		clearAll: function() {
-			this.storage.clearAll();
-		},
-
-		// additional functionality that can't live in plugins
-		// ---------------------------------------------------
-
-		// hasNamespace returns true if this store instance has the given namespace.
-		hasNamespace: function(namespace) {
-			return (this._namespacePrefix == '__storejs_'+namespace+'_')
-		},
-
-		// createStore creates a store.js instance with the first
-		// functioning storage in the list of storage candidates,
-		// and applies the the given mixins to the instance.
-		createStore: function() {
-			return createStore.apply(this, arguments)
-		},
-		
-		addPlugin: function(plugin) {
-			this._addPlugin(plugin);
-		},
-		
-		namespace: function(namespace) {
-			return createStore(this.storage, this.plugins, namespace)
-		}
-	};
-
-	function _warn() {
-		var _console = (typeof console == 'undefined' ? null : console);
-		if (!_console) { return }
-		var fn = (_console.warn ? _console.warn : _console.log);
-		fn.apply(_console, arguments);
-	}
-
-	function createStore(storages, plugins, namespace) {
-		if (!namespace) {
-			namespace = '';
-		}
-		if (storages && !isList$1(storages)) {
-			storages = [storages];
-		}
-		if (plugins && !isList$1(plugins)) {
-			plugins = [plugins];
-		}
-
-		var namespacePrefix = (namespace ? '__storejs_'+namespace+'_' : '');
-		var namespaceRegexp = (namespace ? new RegExp('^'+namespacePrefix) : null);
-		var legalNamespaces = /^[a-zA-Z0-9_\-]*$/; // alpha-numeric + underscore and dash
-		if (!legalNamespaces.test(namespace)) {
-			throw new Error('store.js namespaces can only have alphanumerics + underscores and dashes')
-		}
-		
-		var _privateStoreProps = {
-			_namespacePrefix: namespacePrefix,
-			_namespaceRegexp: namespaceRegexp,
-
-			_testStorage: function(storage) {
-				try {
-					var testStr = '__storejs__test__';
-					storage.write(testStr, testStr);
-					var ok = (storage.read(testStr) === testStr);
-					storage.remove(testStr);
-					return ok
-				} catch(e) {
-					return false
-				}
-			},
-
-			_assignPluginFnProp: function(pluginFnProp, propName) {
-				var oldFn = this[propName];
-				this[propName] = function pluginFn() {
-					var args = slice$6(arguments, 0);
-					var self = this;
-
-					// super_fn calls the old function which was overwritten by
-					// this mixin.
-					function super_fn() {
-						if (!oldFn) { return }
-						each$1(arguments, function(arg, i) {
-							args[i] = arg;
-						});
-						return oldFn.apply(self, args)
-					}
-
-					// Give mixing function access to super_fn by prefixing all mixin function
-					// arguments with super_fn.
-					var newFnArgs = [super_fn].concat(args);
-
-					return pluginFnProp.apply(self, newFnArgs)
-				};
-			},
-
-			_serialize: function(obj) {
-				return JSON.stringify(obj)
-			},
-
-			_deserialize: function(strVal, defaultVal) {
-				if (!strVal) { return defaultVal }
-				// It is possible that a raw string value has been previously stored
-				// in a storage without using store.js, meaning it will be a raw
-				// string value instead of a JSON serialized string. By defaulting
-				// to the raw string value in case of a JSON parse error, we allow
-				// for past stored values to be forwards-compatible with store.js
-				var val = '';
-				try { val = JSON.parse(strVal); }
-				catch(e) { val = strVal; }
-
-				return (val !== undefined ? val : defaultVal)
-			},
-			
-			_addStorage: function(storage) {
-				if (this.enabled) { return }
-				if (this._testStorage(storage)) {
-					this.storage = storage;
-					this.enabled = true;
-				}
-			},
-
-			_addPlugin: function(plugin) {
-				var self = this;
-
-				// If the plugin is an array, then add all plugins in the array.
-				// This allows for a plugin to depend on other plugins.
-				if (isList$1(plugin)) {
-					each$1(plugin, function(plugin) {
-						self._addPlugin(plugin);
-					});
-					return
-				}
-
-				// Keep track of all plugins we've seen so far, so that we
-				// don't add any of them twice.
-				var seenPlugin = pluck$1(this.plugins, function(seenPlugin) {
-					return (plugin === seenPlugin)
-				});
-				if (seenPlugin) {
-					return
-				}
-				this.plugins.push(plugin);
-
-				// Check that the plugin is properly formed
-				if (!isFunction$3(plugin)) {
-					throw new Error('Plugins must be function values that return objects')
-				}
-
-				var pluginProperties = plugin.call(this);
-				if (!isObject$3(pluginProperties)) {
-					throw new Error('Plugins must return an object of function properties')
-				}
-
-				// Add the plugin function properties to this store instance.
-				each$1(pluginProperties, function(pluginFnProp, propName) {
-					if (!isFunction$3(pluginFnProp)) {
-						throw new Error('Bad plugin property: '+propName+' from plugin '+plugin.name+'. Plugins should only return functions.')
-					}
-					self._assignPluginFnProp(pluginFnProp, propName);
-				});
-			},
-			
-			// Put deprecated properties in the private API, so as to not expose it to accidential
-			// discovery through inspection of the store object.
-			
-			// Deprecated: addStorage
-			addStorage: function(storage) {
-				_warn('store.addStorage(storage) is deprecated. Use createStore([storages])');
-				this._addStorage(storage);
-			}
-		};
-
-		var store = create$9(_privateStoreProps, storeAPI, {
-			plugins: []
-		});
-		store.raw = {};
-		each$1(store, function(prop, propName) {
-			if (isFunction$3(prop)) {
-				store.raw[propName] = bind$4(store, prop);			
-			}
-		});
-		each$1(storages, function(storage) {
-			store._addStorage(storage);
-		});
-		each$1(plugins, function(plugin) {
-			store._addPlugin(plugin);
-		});
-		return store
-	}
-
-	var Global$1 = util.Global;
-
-	var localStorage_1 = {
-		name: 'localStorage',
-		read: read,
-		write: write,
-		each: each$2,
-		remove: remove$2,
-		clearAll: clearAll,
-	};
-
-	function localStorage$1() {
-		return Global$1.localStorage
-	}
-
-	function read(key) {
-		return localStorage$1().getItem(key)
-	}
-
-	function write(key, data) {
-		return localStorage$1().setItem(key, data)
-	}
-
-	function each$2(fn) {
-		for (var i = localStorage$1().length - 1; i >= 0; i--) {
-			var key = localStorage$1().key(i);
-			fn(read(key), key);
-		}
-	}
-
-	function remove$2(key) {
-		return localStorage$1().removeItem(key)
-	}
-
-	function clearAll() {
-		return localStorage$1().clear()
-	}
-
-	// oldFF-globalStorage provides storage for Firefox
-	// versions 6 and 7, where no localStorage, etc
-	// is available.
-
-
-	var Global$2 = util.Global;
-
-	var oldFFGlobalStorage = {
-		name: 'oldFF-globalStorage',
-		read: read$1,
-		write: write$1,
-		each: each$3,
-		remove: remove$3,
-		clearAll: clearAll$1,
-	};
-
-	var globalStorage = Global$2.globalStorage;
-
-	function read$1(key) {
-		return globalStorage[key]
-	}
-
-	function write$1(key, data) {
-		globalStorage[key] = data;
-	}
-
-	function each$3(fn) {
-		for (var i = globalStorage.length - 1; i >= 0; i--) {
-			var key = globalStorage.key(i);
-			fn(globalStorage[key], key);
-		}
-	}
-
-	function remove$3(key) {
-		return globalStorage.removeItem(key)
-	}
-
-	function clearAll$1() {
-		each$3(function(key, _) {
-			delete globalStorage[key];
-		});
-	}
-
-	// oldIE-userDataStorage provides storage for Internet Explorer
-	// versions 6 and 7, where no localStorage, sessionStorage, etc
-	// is available.
-
-
-	var Global$3 = util.Global;
-
-	var oldIEUserDataStorage = {
-		name: 'oldIE-userDataStorage',
-		write: write$2,
-		read: read$2,
-		each: each$4,
-		remove: remove$4,
-		clearAll: clearAll$2,
-	};
-
-	var storageName = 'storejs';
-	var doc = Global$3.document;
-	var _withStorageEl = _makeIEStorageElFunction();
-	var disable = (Global$3.navigator ? Global$3.navigator.userAgent : '').match(/ (MSIE 8|MSIE 9|MSIE 10)\./); // MSIE 9.x, MSIE 10.x
-
-	function write$2(unfixedKey, data) {
-		if (disable) { return }
-		var fixedKey = fixKey(unfixedKey);
-		_withStorageEl(function(storageEl) {
-			storageEl.setAttribute(fixedKey, data);
-			storageEl.save(storageName);
-		});
-	}
-
-	function read$2(unfixedKey) {
-		if (disable) { return }
-		var fixedKey = fixKey(unfixedKey);
-		var res = null;
-		_withStorageEl(function(storageEl) {
-			res = storageEl.getAttribute(fixedKey);
-		});
-		return res
-	}
-
-	function each$4(callback) {
-		_withStorageEl(function(storageEl) {
-			var attributes = storageEl.XMLDocument.documentElement.attributes;
-			for (var i=attributes.length-1; i>=0; i--) {
-				var attr = attributes[i];
-				callback(storageEl.getAttribute(attr.name), attr.name);
-			}
-		});
-	}
-
-	function remove$4(unfixedKey) {
-		var fixedKey = fixKey(unfixedKey);
-		_withStorageEl(function(storageEl) {
-			storageEl.removeAttribute(fixedKey);
-			storageEl.save(storageName);
-		});
-	}
-
-	function clearAll$2() {
-		_withStorageEl(function(storageEl) {
-			var attributes = storageEl.XMLDocument.documentElement.attributes;
-			storageEl.load(storageName);
-			for (var i=attributes.length-1; i>=0; i--) {
-				storageEl.removeAttribute(attributes[i].name);
-			}
-			storageEl.save(storageName);
-		});
-	}
-
-	// Helpers
-	//////////
-
-	// In IE7, keys cannot start with a digit or contain certain chars.
-	// See https://github.com/marcuswestin/store.js/issues/40
-	// See https://github.com/marcuswestin/store.js/issues/83
-	var forbiddenCharsRegex = new RegExp("[!\"#$%&'()*+,/\\\\:;<=>?@[\\]^`{|}~]", "g");
-	function fixKey(key) {
-		return key.replace(/^\d/, '___$&').replace(forbiddenCharsRegex, '___')
-	}
-
-	function _makeIEStorageElFunction() {
-		if (!doc || !doc.documentElement || !doc.documentElement.addBehavior) {
-			return null
-		}
-		var scriptTag = 'script',
-			storageOwner,
-			storageContainer,
-			storageEl;
-
-		// Since #userData storage applies only to specific paths, we need to
-		// somehow link our data to a specific path.  We choose /favicon.ico
-		// as a pretty safe option, since all browsers already make a request to
-		// this URL anyway and being a 404 will not hurt us here.  We wrap an
-		// iframe pointing to the favicon in an ActiveXObject(htmlfile) object
-		// (see: http://msdn.microsoft.com/en-us/library/aa752574(v=VS.85).aspx)
-		// since the iframe access rules appear to allow direct access and
-		// manipulation of the document element, even for a 404 page.  This
-		// document can be used instead of the current document (which would
-		// have been limited to the current path) to perform #userData storage.
-		try {
-			/* global ActiveXObject */
-			storageContainer = new ActiveXObject('htmlfile');
-			storageContainer.open();
-			storageContainer.write('<'+scriptTag+'>document.w=window</'+scriptTag+'><iframe src="/favicon.ico"></iframe>');
-			storageContainer.close();
-			storageOwner = storageContainer.w.frames[0].document;
-			storageEl = storageOwner.createElement('div');
-		} catch(e) {
-			// somehow ActiveXObject instantiation failed (perhaps some special
-			// security settings or otherwse), fall back to per-path storage
-			storageEl = doc.createElement('div');
-			storageOwner = doc.body;
-		}
-
-		return function(storeFunction) {
-			var args = [].slice.call(arguments, 0);
-			args.unshift(storageEl);
-			// See http://msdn.microsoft.com/en-us/library/ms531081(v=VS.85).aspx
-			// and http://msdn.microsoft.com/en-us/library/ms531424(v=VS.85).aspx
-			storageOwner.appendChild(storageEl);
-			storageEl.addBehavior('#default#userData');
-			storageEl.load(storageName);
-			storeFunction.apply(this, args);
-			storageOwner.removeChild(storageEl);
-			return
-		}
-	}
-
-	// cookieStorage is useful Safari private browser mode, where localStorage
-	// doesn't work but cookies do. This implementation is adopted from
-	// https://developer.mozilla.org/en-US/docs/Web/API/Storage/LocalStorage
-
-
-	var Global$4 = util.Global;
-	var trim$1 = util.trim;
-
-	var cookieStorage = {
-		name: 'cookieStorage',
-		read: read$3,
-		write: write$3,
-		each: each$5,
-		remove: remove$5,
-		clearAll: clearAll$3,
-	};
-
-	var doc$1 = Global$4.document;
-
-	function read$3(key) {
-		if (!key || !_has(key)) { return null }
-		var regexpStr = "(?:^|.*;\\s*)" +
-			escape(key).replace(/[\-\.\+\*]/g, "\\$&") +
-			"\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*";
-		return unescape(doc$1.cookie.replace(new RegExp(regexpStr), "$1"))
-	}
-
-	function each$5(callback) {
-		var cookies = doc$1.cookie.split(/; ?/g);
-		for (var i = cookies.length - 1; i >= 0; i--) {
-			if (!trim$1(cookies[i])) {
-				continue
-			}
-			var kvp = cookies[i].split('=');
-			var key = unescape(kvp[0]);
-			var val = unescape(kvp[1]);
-			callback(val, key);
-		}
-	}
-
-	function write$3(key, data) {
-		if(!key) { return }
-		doc$1.cookie = escape(key) + "=" + escape(data) + "; expires=Tue, 19 Jan 2038 03:14:07 GMT; path=/";
-	}
-
-	function remove$5(key) {
-		if (!key || !_has(key)) {
-			return
-		}
-		doc$1.cookie = escape(key) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/";
-	}
-
-	function clearAll$3() {
-		each$5(function(_, key) {
-			remove$5(key);
-		});
-	}
-
-	function _has(key) {
-		return (new RegExp("(?:^|;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=")).test(doc$1.cookie)
-	}
-
-	var Global$5 = util.Global;
-
-	var sessionStorage_1 = {
-		name: 'sessionStorage',
-		read: read$4,
-		write: write$4,
-		each: each$6,
-		remove: remove$6,
-		clearAll: clearAll$4
-	};
-
-	function sessionStorage() {
-		return Global$5.sessionStorage
-	}
-
-	function read$4(key) {
-		return sessionStorage().getItem(key)
-	}
-
-	function write$4(key, data) {
-		return sessionStorage().setItem(key, data)
-	}
-
-	function each$6(fn) {
-		for (var i = sessionStorage().length - 1; i >= 0; i--) {
-			var key = sessionStorage().key(i);
-			fn(read$4(key), key);
-		}
-	}
-
-	function remove$6(key) {
-		return sessionStorage().removeItem(key)
-	}
-
-	function clearAll$4() {
-		return sessionStorage().clear()
-	}
-
-	// memoryStorage is a useful last fallback to ensure that the store
-	// is functions (meaning store.get(), store.set(), etc will all function).
-	// However, stored values will not persist when the browser navigates to
-	// a new page or reloads the current page.
-
-	var memoryStorage_1 = {
-		name: 'memoryStorage',
-		read: read$5,
-		write: write$5,
-		each: each$7,
-		remove: remove$7,
-		clearAll: clearAll$5,
-	};
-
-	var memoryStorage = {};
-
-	function read$5(key) {
-		return memoryStorage[key]
-	}
-
-	function write$5(key, data) {
-		memoryStorage[key] = data;
-	}
-
-	function each$7(callback) {
-		for (var key in memoryStorage) {
-			if (memoryStorage.hasOwnProperty(key)) {
-				callback(memoryStorage[key], key);
-			}
-		}
-	}
-
-	function remove$7(key) {
-		delete memoryStorage[key];
-	}
-
-	function clearAll$5(key) {
-		memoryStorage = {};
-	}
-
-	var all = [
-		// Listed in order of usage preference
-		localStorage_1,
-		oldFFGlobalStorage,
-		oldIEUserDataStorage,
-		cookieStorage,
-		sessionStorage_1,
-		memoryStorage_1
-	];
-
-	/* eslint-disable */
-
-	//  json2.js
-	//  2016-10-28
-	//  Public Domain.
-	//  NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
-	//  See http://www.JSON.org/js.html
-	//  This code should be minified before deployment.
-	//  See http://javascript.crockford.com/jsmin.html
-
-	//  USE YOUR OWN COPY. IT IS EXTREMELY UNWISE TO LOAD CODE FROM SERVERS YOU DO
-	//  NOT CONTROL.
-
-	//  This file creates a global JSON object containing two methods: stringify
-	//  and parse. This file provides the ES5 JSON capability to ES3 systems.
-	//  If a project might run on IE8 or earlier, then this file should be included.
-	//  This file does nothing on ES5 systems.
-
-	//      JSON.stringify(value, replacer, space)
-	//          value       any JavaScript value, usually an object or array.
-	//          replacer    an optional parameter that determines how object
-	//                      values are stringified for objects. It can be a
-	//                      function or an array of strings.
-	//          space       an optional parameter that specifies the indentation
-	//                      of nested structures. If it is omitted, the text will
-	//                      be packed without extra whitespace. If it is a number,
-	//                      it will specify the number of spaces to indent at each
-	//                      level. If it is a string (such as "\t" or "&nbsp;"),
-	//                      it contains the characters used to indent at each level.
-	//          This method produces a JSON text from a JavaScript value.
-	//          When an object value is found, if the object contains a toJSON
-	//          method, its toJSON method will be called and the result will be
-	//          stringified. A toJSON method does not serialize: it returns the
-	//          value represented by the name/value pair that should be serialized,
-	//          or undefined if nothing should be serialized. The toJSON method
-	//          will be passed the key associated with the value, and this will be
-	//          bound to the value.
-
-	//          For example, this would serialize Dates as ISO strings.
-
-	//              Date.prototype.toJSON = function (key) {
-	//                  function f(n) {
-	//                      // Format integers to have at least two digits.
-	//                      return (n < 10)
-	//                          ? "0" + n
-	//                          : n;
-	//                  }
-	//                  return this.getUTCFullYear()   + "-" +
-	//                       f(this.getUTCMonth() + 1) + "-" +
-	//                       f(this.getUTCDate())      + "T" +
-	//                       f(this.getUTCHours())     + ":" +
-	//                       f(this.getUTCMinutes())   + ":" +
-	//                       f(this.getUTCSeconds())   + "Z";
-	//              };
-
-	//          You can provide an optional replacer method. It will be passed the
-	//          key and value of each member, with this bound to the containing
-	//          object. The value that is returned from your method will be
-	//          serialized. If your method returns undefined, then the member will
-	//          be excluded from the serialization.
-
-	//          If the replacer parameter is an array of strings, then it will be
-	//          used to select the members to be serialized. It filters the results
-	//          such that only members with keys listed in the replacer array are
-	//          stringified.
-
-	//          Values that do not have JSON representations, such as undefined or
-	//          functions, will not be serialized. Such values in objects will be
-	//          dropped; in arrays they will be replaced with null. You can use
-	//          a replacer function to replace those with JSON values.
-
-	//          JSON.stringify(undefined) returns undefined.
-
-	//          The optional space parameter produces a stringification of the
-	//          value that is filled with line breaks and indentation to make it
-	//          easier to read.
-
-	//          If the space parameter is a non-empty string, then that string will
-	//          be used for indentation. If the space parameter is a number, then
-	//          the indentation will be that many spaces.
-
-	//          Example:
-
-	//          text = JSON.stringify(["e", {pluribus: "unum"}]);
-	//          // text is '["e",{"pluribus":"unum"}]'
-
-	//          text = JSON.stringify(["e", {pluribus: "unum"}], null, "\t");
-	//          // text is '[\n\t"e",\n\t{\n\t\t"pluribus": "unum"\n\t}\n]'
-
-	//          text = JSON.stringify([new Date()], function (key, value) {
-	//              return this[key] instanceof Date
-	//                  ? "Date(" + this[key] + ")"
-	//                  : value;
-	//          });
-	//          // text is '["Date(---current time---)"]'
-
-	//      JSON.parse(text, reviver)
-	//          This method parses a JSON text to produce an object or array.
-	//          It can throw a SyntaxError exception.
-
-	//          The optional reviver parameter is a function that can filter and
-	//          transform the results. It receives each of the keys and values,
-	//          and its return value is used instead of the original value.
-	//          If it returns what it received, then the structure is not modified.
-	//          If it returns undefined then the member is deleted.
-
-	//          Example:
-
-	//          // Parse the text. Values that look like ISO date strings will
-	//          // be converted to Date objects.
-
-	//          myData = JSON.parse(text, function (key, value) {
-	//              var a;
-	//              if (typeof value === "string") {
-	//                  a =
-	//   /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
-	//                  if (a) {
-	//                      return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
-	//                          +a[5], +a[6]));
-	//                  }
-	//              }
-	//              return value;
-	//          });
-
-	//          myData = JSON.parse('["Date(09/09/2001)"]', function (key, value) {
-	//              var d;
-	//              if (typeof value === "string" &&
-	//                      value.slice(0, 5) === "Date(" &&
-	//                      value.slice(-1) === ")") {
-	//                  d = new Date(value.slice(5, -1));
-	//                  if (d) {
-	//                      return d;
-	//                  }
-	//              }
-	//              return value;
-	//          });
-
-	//  This is a reference implementation. You are free to copy, modify, or
-	//  redistribute.
-
-	/*jslint
-	    eval, for, this
-	*/
-
-	/*property
-	    JSON, apply, call, charCodeAt, getUTCDate, getUTCFullYear, getUTCHours,
-	    getUTCMinutes, getUTCMonth, getUTCSeconds, hasOwnProperty, join,
-	    lastIndex, length, parse, prototype, push, replace, slice, stringify,
-	    test, toJSON, toString, valueOf
-	*/
-
-
-	// Create a JSON object only if one does not already exist. We create the
-	// methods in a closure to avoid creating global variables.
-
-	if (typeof JSON !== "object") {
-	    JSON = {};
-	}
-
-	(function () {
-
-	    var rx_one = /^[\],:{}\s]*$/;
-	    var rx_two = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
-	    var rx_three = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
-	    var rx_four = /(?:^|:|,)(?:\s*\[)+/g;
-	    var rx_escapable = /[\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
-	    var rx_dangerous = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
-
-	    function f(n) {
-	        // Format integers to have at least two digits.
-	        return n < 10
-	            ? "0" + n
-	            : n;
-	    }
-
-	    function this_value() {
-	        return this.valueOf();
-	    }
-
-	    if (typeof Date.prototype.toJSON !== "function") {
-
-	        Date.prototype.toJSON = function () {
-
-	            return isFinite(this.valueOf())
-	                ? this.getUTCFullYear() + "-" +
-	                        f(this.getUTCMonth() + 1) + "-" +
-	                        f(this.getUTCDate()) + "T" +
-	                        f(this.getUTCHours()) + ":" +
-	                        f(this.getUTCMinutes()) + ":" +
-	                        f(this.getUTCSeconds()) + "Z"
-	                : null;
-	        };
-
-	        Boolean.prototype.toJSON = this_value;
-	        Number.prototype.toJSON = this_value;
-	        String.prototype.toJSON = this_value;
-	    }
-
-	    var gap;
-	    var indent;
-	    var meta;
-	    var rep;
-
-
-	    function quote(string) {
-
-	// If the string contains no control characters, no quote characters, and no
-	// backslash characters, then we can safely slap some quotes around it.
-	// Otherwise we must also replace the offending characters with safe escape
-	// sequences.
-
-	        rx_escapable.lastIndex = 0;
-	        return rx_escapable.test(string)
-	            ? "\"" + string.replace(rx_escapable, function (a) {
-	                var c = meta[a];
-	                return typeof c === "string"
-	                    ? c
-	                    : "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
-	            }) + "\""
-	            : "\"" + string + "\"";
-	    }
-
-
-	    function str(key, holder) {
-
-	// Produce a string from holder[key].
-
-	        var i;          // The loop counter.
-	        var k;          // The member key.
-	        var v;          // The member value.
-	        var length;
-	        var mind = gap;
-	        var partial;
-	        var value = holder[key];
-
-	// If the value has a toJSON method, call it to obtain a replacement value.
-
-	        if (value && typeof value === "object" &&
-	                typeof value.toJSON === "function") {
-	            value = value.toJSON(key);
-	        }
-
-	// If we were called with a replacer function, then call the replacer to
-	// obtain a replacement value.
-
-	        if (typeof rep === "function") {
-	            value = rep.call(holder, key, value);
-	        }
-
-	// What happens next depends on the value's type.
-
-	        switch (typeof value) {
-	        case "string":
-	            return quote(value);
-
-	        case "number":
-
-	// JSON numbers must be finite. Encode non-finite numbers as null.
-
-	            return isFinite(value)
-	                ? String(value)
-	                : "null";
-
-	        case "boolean":
-	        case "null":
-
-	// If the value is a boolean or null, convert it to a string. Note:
-	// typeof null does not produce "null". The case is included here in
-	// the remote chance that this gets fixed someday.
-
-	            return String(value);
-
-	// If the type is "object", we might be dealing with an object or an array or
-	// null.
-
-	        case "object":
-
-	// Due to a specification blunder in ECMAScript, typeof null is "object",
-	// so watch out for that case.
-
-	            if (!value) {
-	                return "null";
-	            }
-
-	// Make an array to hold the partial results of stringifying this object value.
-
-	            gap += indent;
-	            partial = [];
-
-	// Is the value an array?
-
-	            if (Object.prototype.toString.apply(value) === "[object Array]") {
-
-	// The value is an array. Stringify every element. Use null as a placeholder
-	// for non-JSON values.
-
-	                length = value.length;
-	                for (i = 0; i < length; i += 1) {
-	                    partial[i] = str(i, value) || "null";
-	                }
-
-	// Join all of the elements together, separated with commas, and wrap them in
-	// brackets.
-
-	                v = partial.length === 0
-	                    ? "[]"
-	                    : gap
-	                        ? "[\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "]"
-	                        : "[" + partial.join(",") + "]";
-	                gap = mind;
-	                return v;
-	            }
-
-	// If the replacer is an array, use it to select the members to be stringified.
-
-	            if (rep && typeof rep === "object") {
-	                length = rep.length;
-	                for (i = 0; i < length; i += 1) {
-	                    if (typeof rep[i] === "string") {
-	                        k = rep[i];
-	                        v = str(k, value);
-	                        if (v) {
-	                            partial.push(quote(k) + (
-	                                gap
-	                                    ? ": "
-	                                    : ":"
-	                            ) + v);
-	                        }
-	                    }
-	                }
-	            } else {
-
-	// Otherwise, iterate through all of the keys in the object.
-
-	                for (k in value) {
-	                    if (Object.prototype.hasOwnProperty.call(value, k)) {
-	                        v = str(k, value);
-	                        if (v) {
-	                            partial.push(quote(k) + (
-	                                gap
-	                                    ? ": "
-	                                    : ":"
-	                            ) + v);
-	                        }
-	                    }
-	                }
-	            }
-
-	// Join all of the member texts together, separated with commas,
-	// and wrap them in braces.
-
-	            v = partial.length === 0
-	                ? "{}"
-	                : gap
-	                    ? "{\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "}"
-	                    : "{" + partial.join(",") + "}";
-	            gap = mind;
-	            return v;
-	        }
-	    }
-
-	// If the JSON object does not yet have a stringify method, give it one.
-
-	    if (typeof JSON.stringify !== "function") {
-	        meta = {    // table of character substitutions
-	            "\b": "\\b",
-	            "\t": "\\t",
-	            "\n": "\\n",
-	            "\f": "\\f",
-	            "\r": "\\r",
-	            "\"": "\\\"",
-	            "\\": "\\\\"
-	        };
-	        JSON.stringify = function (value, replacer, space) {
-
-	// The stringify method takes a value and an optional replacer, and an optional
-	// space parameter, and returns a JSON text. The replacer can be a function
-	// that can replace values, or an array of strings that will select the keys.
-	// A default replacer method can be provided. Use of the space parameter can
-	// produce text that is more easily readable.
-
-	            var i;
-	            gap = "";
-	            indent = "";
-
-	// If the space parameter is a number, make an indent string containing that
-	// many spaces.
-
-	            if (typeof space === "number") {
-	                for (i = 0; i < space; i += 1) {
-	                    indent += " ";
-	                }
-
-	// If the space parameter is a string, it will be used as the indent string.
-
-	            } else if (typeof space === "string") {
-	                indent = space;
-	            }
-
-	// If there is a replacer, it must be a function or an array.
-	// Otherwise, throw an error.
-
-	            rep = replacer;
-	            if (replacer && typeof replacer !== "function" &&
-	                    (typeof replacer !== "object" ||
-	                    typeof replacer.length !== "number")) {
-	                throw new Error("JSON.stringify");
-	            }
-
-	// Make a fake root object containing our value under the key of "".
-	// Return the result of stringifying the value.
-
-	            return str("", {"": value});
-	        };
-	    }
-
-
-	// If the JSON object does not yet have a parse method, give it one.
-
-	    if (typeof JSON.parse !== "function") {
-	        JSON.parse = function (text, reviver) {
-
-	// The parse method takes a text and an optional reviver function, and returns
-	// a JavaScript value if the text is a valid JSON text.
-
-	            var j;
-
-	            function walk(holder, key) {
-
-	// The walk method is used to recursively walk the resulting structure so
-	// that modifications can be made.
-
-	                var k;
-	                var v;
-	                var value = holder[key];
-	                if (value && typeof value === "object") {
-	                    for (k in value) {
-	                        if (Object.prototype.hasOwnProperty.call(value, k)) {
-	                            v = walk(value, k);
-	                            if (v !== undefined) {
-	                                value[k] = v;
-	                            } else {
-	                                delete value[k];
-	                            }
-	                        }
-	                    }
-	                }
-	                return reviver.call(holder, key, value);
-	            }
-
-
-	// Parsing happens in four stages. In the first stage, we replace certain
-	// Unicode characters with escape sequences. JavaScript handles many characters
-	// incorrectly, either silently deleting them, or treating them as line endings.
-
-	            text = String(text);
-	            rx_dangerous.lastIndex = 0;
-	            if (rx_dangerous.test(text)) {
-	                text = text.replace(rx_dangerous, function (a) {
-	                    return "\\u" +
-	                            ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
-	                });
-	            }
-
-	// In the second stage, we run the text against regular expressions that look
-	// for non-JSON patterns. We are especially concerned with "()" and "new"
-	// because they can cause invocation, and "=" because it can cause mutation.
-	// But just to be safe, we want to reject all unexpected forms.
-
-	// We split the second stage into 4 regexp operations in order to work around
-	// crippling inefficiencies in IE's and Safari's regexp engines. First we
-	// replace the JSON backslash pairs with "@" (a non-JSON character). Second, we
-	// replace all simple value tokens with "]" characters. Third, we delete all
-	// open brackets that follow a colon or comma or that begin the text. Finally,
-	// we look to see that the remaining characters are only whitespace or "]" or
-	// "," or ":" or "{" or "}". If that is so, then the text is safe for eval.
-
-	            if (
-	                rx_one.test(
-	                    text
-	                        .replace(rx_two, "@")
-	                        .replace(rx_three, "]")
-	                        .replace(rx_four, "")
-	                )
-	            ) {
-
-	// In the third stage we use the eval function to compile the text into a
-	// JavaScript structure. The "{" operator is subject to a syntactic ambiguity
-	// in JavaScript: it can begin a block or an object literal. We wrap the text
-	// in parens to eliminate the ambiguity.
-
-	                j = eval("(" + text + ")");
-
-	// In the optional fourth stage, we recursively walk the new structure, passing
-	// each name/value pair to a reviver function for possible transformation.
-
-	                return (typeof reviver === "function")
-	                    ? walk({"": j}, "")
-	                    : j;
-	            }
-
-	// If the text is not JSON parseable, then a SyntaxError is thrown.
-
-	            throw new SyntaxError("JSON.parse");
-	        };
-	    }
-	}());
-
-	var json2 = json2Plugin;
-
-	function json2Plugin() {
-		
-		return {}
-	}
-
-	var plugins = [json2];
-
-	var store_legacy = storeEngine.createStore(all, plugins);
-
-	// # osm-auth
-	//
-	// This code is only compatible with IE10+ because the [XDomainRequest](http://bit.ly/LfO7xo)
-	// object, IE<10's idea of [CORS](http://en.wikipedia.org/wiki/Cross-origin_resource_sharing),
-	// does not support custom headers, which this uses everywhere.
-	var osmAuth = function(o) {
-
-	    var oauth = {};
-
-	    // authenticated users will also have a request token secret, but it's
-	    // not used in transactions with the server
-	    oauth.authenticated = function() {
-	        return !!(token('oauth_token') && token('oauth_token_secret'));
-	    };
-
-	    oauth.logout = function() {
-	        token('oauth_token', '');
-	        token('oauth_token_secret', '');
-	        token('oauth_request_token_secret', '');
-	        return oauth;
-	    };
-
-	    // TODO: detect lack of click event
-	    oauth.authenticate = function(callback) {
-	        if (oauth.authenticated()) return callback();
-
-	        oauth.logout();
-
-	        // ## Getting a request token
-	        var params = timenonce(getAuth(o)),
-	            url = o.url + '/oauth/request_token';
-
-	        params.oauth_signature = ohauth_1.signature(
-	            o.oauth_secret, '',
-	            ohauth_1.baseString('POST', url, params));
-
-	        if (!o.singlepage) {
-	            // Create a 600x550 popup window in the center of the screen
-	            var w = 600, h = 550,
-	                settings = [
-	                    ['width', w], ['height', h],
-	                    ['left', screen.width / 2 - w / 2],
-	                    ['top', screen.height / 2 - h / 2]].map(function(x) {
-	                        return x.join('=');
-	                    }).join(','),
-	                popup = window.open('about:blank', 'oauth_window', settings);
-	        }
-
-	        // Request a request token. When this is complete, the popup
-	        // window is redirected to OSM's authorization page.
-	        ohauth_1.xhr('POST', url, params, null, {}, reqTokenDone);
-	        o.loading();
-
-	        function reqTokenDone(err, xhr) {
-	            o.done();
-	            if (err) return callback(err);
-	            var resp = ohauth_1.stringQs(xhr.response);
-	            token('oauth_request_token_secret', resp.oauth_token_secret);
-	            var authorize_url = o.url + '/oauth/authorize?' + ohauth_1.qsString({
-	                oauth_token: resp.oauth_token,
-	                oauth_callback: resolveUrl$1(o.landing)
-	            });
-
-	            if (o.singlepage) {
-	                location.href = authorize_url;
-	            } else {
-	                popup.location = authorize_url;
-	            }
-	        }
-
-	        // Called by a function in a landing page, in the popup window. The
-	        // window closes itself.
-	        window.authComplete = function(token) {
-	            var oauth_token = ohauth_1.stringQs(token.split('?')[1]);
-	            get_access_token(oauth_token.oauth_token);
-	            delete window.authComplete;
-	        };
-
-	        // ## Getting an request token
-	        //
-	        // At this point we have an `oauth_token`, brought in from a function
-	        // call on a landing page popup.
-	        function get_access_token(oauth_token) {
-	            var url = o.url + '/oauth/access_token',
-	                params = timenonce(getAuth(o)),
-	                request_token_secret = token('oauth_request_token_secret');
-	            params.oauth_token = oauth_token;
-	            params.oauth_signature = ohauth_1.signature(
-	                o.oauth_secret,
-	                request_token_secret,
-	                ohauth_1.baseString('POST', url, params));
-
-	            // ## Getting an access token
-	            //
-	            // The final token required for authentication. At this point
-	            // we have a `request token secret`
-	            ohauth_1.xhr('POST', url, params, null, {}, accessTokenDone);
-	            o.loading();
-	        }
-
-	        function accessTokenDone(err, xhr) {
-	            o.done();
-	            if (err) return callback(err);
-	            var access_token = ohauth_1.stringQs(xhr.response);
-	            token('oauth_token', access_token.oauth_token);
-	            token('oauth_token_secret', access_token.oauth_token_secret);
-	            callback(null, oauth);
-	        }
-	    };
-
-	    oauth.bootstrapToken = function(oauth_token, callback) {
-	        // ## Getting an request token
-	        // At this point we have an `oauth_token`, brought in from a function
-	        // call on a landing page popup.
-	        function get_access_token(oauth_token) {
-	            var url = o.url + '/oauth/access_token',
-	                params = timenonce(getAuth(o)),
-	                request_token_secret = token('oauth_request_token_secret');
-	            params.oauth_token = oauth_token;
-	            params.oauth_signature = ohauth_1.signature(
-	                o.oauth_secret,
-	                request_token_secret,
-	                ohauth_1.baseString('POST', url, params));
-
-	            // ## Getting an access token
-	            // The final token required for authentication. At this point
-	            // we have a `request token secret`
-	            ohauth_1.xhr('POST', url, params, null, {}, accessTokenDone);
-	            o.loading();
-	        }
-
-	        function accessTokenDone(err, xhr) {
-	            o.done();
-	            if (err) return callback(err);
-	            var access_token = ohauth_1.stringQs(xhr.response);
-	            token('oauth_token', access_token.oauth_token);
-	            token('oauth_token_secret', access_token.oauth_token_secret);
-	            callback(null, oauth);
-	        }
-
-	        get_access_token(oauth_token);
-	    };
-
-	    // # xhr
-	    //
-	    // A single XMLHttpRequest wrapper that does authenticated calls if the
-	    // user has logged in.
-	    oauth.xhr = function(options, callback) {
-	        if (!oauth.authenticated()) {
-	            if (o.auto) {
-	                return oauth.authenticate(run);
-	            } else {
-	                callback('not authenticated', null);
-	                return;
-	            }
-	        } else {
-	            return run();
-	        }
-
-	        function run() {
-	            var params = timenonce(getAuth(o)),
-	                oauth_token_secret = token('oauth_token_secret'),
-	                url = (options.prefix !== false) ? o.url + options.path : options.path,
-	                url_parts = url.replace(/#.*$/, '').split('?', 2),
-	                base_url = url_parts[0],
-	                query = (url_parts.length === 2) ? url_parts[1] : '';
-
-	            // https://tools.ietf.org/html/rfc5849#section-3.4.1.3.1
-	            if ((!options.options || !options.options.header ||
-	                options.options.header['Content-Type'] === 'application/x-www-form-urlencoded') &&
-	                options.content) {
-	                params = immutable(params, ohauth_1.stringQs(options.content));
-	            }
-
-	            params.oauth_token = token('oauth_token');
-	            params.oauth_signature = ohauth_1.signature(
-	                o.oauth_secret,
-	                oauth_token_secret,
-	                ohauth_1.baseString(options.method, base_url, immutable(params, ohauth_1.stringQs(query)))
-	            );
-
-	            return ohauth_1.xhr(options.method, url, params, options.content, options.options, done);
-	        }
-
-	        function done(err, xhr) {
-	            if (err) return callback(err);
-	            else if (xhr.responseXML) return callback(err, xhr.responseXML);
-	            else return callback(err, xhr.response);
-	        }
-	    };
-
-	    // pre-authorize this object, if we can just get a token and token_secret
-	    // from the start
-	    oauth.preauth = function(c) {
-	        if (!c) return;
-	        if (c.oauth_token) token('oauth_token', c.oauth_token);
-	        if (c.oauth_token_secret) token('oauth_token_secret', c.oauth_token_secret);
-	        return oauth;
-	    };
-
-	    oauth.options = function(_) {
-	        if (!arguments.length) return o;
-
-	        o = _;
-	        o.url = o.url || 'https://www.openstreetmap.org';
-	        o.landing = o.landing || 'land.html';
-	        o.singlepage = o.singlepage || false;
-
-	        // Optional loading and loading-done functions for nice UI feedback.
-	        // by default, no-ops
-	        o.loading = o.loading || function() {};
-	        o.done = o.done || function() {};
-
-	        return oauth.preauth(o);
-	    };
-
-	    // 'stamp' an authentication object from `getAuth()`
-	    // with a [nonce](http://en.wikipedia.org/wiki/Cryptographic_nonce)
-	    // and timestamp
-	    function timenonce(o) {
-	        o.oauth_timestamp = ohauth_1.timestamp();
-	        o.oauth_nonce = ohauth_1.nonce();
-	        return o;
-	    }
-
-	    // get/set tokens. These are prefixed with the base URL so that `osm-auth`
-	    // can be used with multiple APIs and the keys in `localStorage`
-	    // will not clash
-	    var token;
-
-	    if (store_legacy.enabled) {
-	        token = function (x, y) {
-	            if (arguments.length === 1) return store_legacy.get(o.url + x);
-	            else if (arguments.length === 2) return store_legacy.set(o.url + x, y);
-	        };
-	    } else {
-	        var storage = {};
-	        token = function (x, y) {
-	            if (arguments.length === 1) return storage[o.url + x];
-	            else if (arguments.length === 2) return storage[o.url + x] = y;
-	        };
-	    }
-
-	    // Get an authentication object. If you just add and remove properties
-	    // from a single object, you'll need to use `delete` to make sure that
-	    // it doesn't contain undesired properties for authentication
-	    function getAuth(o) {
-	        return {
-	            oauth_consumer_key: o.oauth_consumer_key,
-	            oauth_signature_method: 'HMAC-SHA1'
-	        };
-	    }
-
-	    // potentially pre-authorize
-	    oauth.options(o);
-
-	    return oauth;
-	};
-
-	var JXON = new (function () {
-	  var
-	    sValueProp = 'keyValue', sAttributesProp = 'keyAttributes', sAttrPref = '@', /* you can customize these values */
-	    aCache = [], rIsNull = /^\s*$/, rIsBool = /^(?:true|false)$/i;
-
-	  function parseText (sValue) {
-	    if (rIsNull.test(sValue)) { return null; }
-	    if (rIsBool.test(sValue)) { return sValue.toLowerCase() === 'true'; }
-	    if (isFinite(sValue)) { return parseFloat(sValue); }
-	    if (isFinite(Date.parse(sValue))) { return new Date(sValue); }
-	    return sValue;
-	  }
-
-	  function EmptyTree () { }
-	  EmptyTree.prototype.toString = function () { return 'null'; };
-	  EmptyTree.prototype.valueOf = function () { return null; };
-
-	  function objectify (vValue) {
-	    return vValue === null ? new EmptyTree() : vValue instanceof Object ? vValue : new vValue.constructor(vValue);
-	  }
-
-	  function createObjTree (oParentNode, nVerb, bFreeze, bNesteAttr) {
-	    var
-	      nLevelStart = aCache.length, bChildren = oParentNode.hasChildNodes(),
-	      bAttributes = oParentNode.hasAttributes(), bHighVerb = Boolean(nVerb & 2);
-
-	    var
-	      sProp, vContent, nLength = 0, sCollectedTxt = '',
-	      vResult = bHighVerb ? {} : /* put here the default value for empty nodes: */ true;
-
-	    if (bChildren) {
-	      for (var oNode, nItem = 0; nItem < oParentNode.childNodes.length; nItem++) {
-	        oNode = oParentNode.childNodes.item(nItem);
-	        if (oNode.nodeType === 4) { sCollectedTxt += oNode.nodeValue; } /* nodeType is 'CDATASection' (4) */
-	        else if (oNode.nodeType === 3) { sCollectedTxt += oNode.nodeValue.trim(); } /* nodeType is 'Text' (3) */
-	        else if (oNode.nodeType === 1 && !oNode.prefix) { aCache.push(oNode); } /* nodeType is 'Element' (1) */
-	      }
-	    }
-
-	    var nLevelEnd = aCache.length, vBuiltVal = parseText(sCollectedTxt);
-
-	    if (!bHighVerb && (bChildren || bAttributes)) { vResult = nVerb === 0 ? objectify(vBuiltVal) : {}; }
-
-	    for (var nElId = nLevelStart; nElId < nLevelEnd; nElId++) {
-	      sProp = aCache[nElId].nodeName.toLowerCase();
-	      vContent = createObjTree(aCache[nElId], nVerb, bFreeze, bNesteAttr);
-	      if (vResult.hasOwnProperty(sProp)) {
-	        if (vResult[sProp].constructor !== Array) { vResult[sProp] = [vResult[sProp]]; }
-	        vResult[sProp].push(vContent);
-	      } else {
-	        vResult[sProp] = vContent;
-	        nLength++;
-	      }
-	    }
-
-	    if (bAttributes) {
-	      var
-	        nAttrLen = oParentNode.attributes.length,
-	        sAPrefix = bNesteAttr ? '' : sAttrPref, oAttrParent = bNesteAttr ? {} : vResult;
-
-	      for (var oAttrib, nAttrib = 0; nAttrib < nAttrLen; nLength++, nAttrib++) {
-	        oAttrib = oParentNode.attributes.item(nAttrib);
-	        oAttrParent[sAPrefix + oAttrib.name.toLowerCase()] = parseText(oAttrib.value.trim());
-	      }
-
-	      if (bNesteAttr) {
-	        if (bFreeze) { Object.freeze(oAttrParent); }
-	        vResult[sAttributesProp] = oAttrParent;
-	        nLength -= nAttrLen - 1;
-	      }
-	    }
-
-	    if (nVerb === 3 || (nVerb === 2 || nVerb === 1 && nLength > 0) && sCollectedTxt) {
-	      vResult[sValueProp] = vBuiltVal;
-	    } else if (!bHighVerb && nLength === 0 && sCollectedTxt) {
-	      vResult = vBuiltVal;
-	    }
-
-	    if (bFreeze && (bHighVerb || nLength > 0)) { Object.freeze(vResult); }
-
-	    aCache.length = nLevelStart;
-
-	    return vResult;
-	  }
-
-	  function loadObjTree (oXMLDoc, oParentEl, oParentObj) {
-	    var vValue, oChild;
-
-	    if (oParentObj instanceof String || oParentObj instanceof Number || oParentObj instanceof Boolean) {
-	      oParentEl.appendChild(oXMLDoc.createTextNode(oParentObj.toString())); /* verbosity level is 0 */
-	    } else if (oParentObj.constructor === Date) {
-	      oParentEl.appendChild(oXMLDoc.createTextNode(oParentObj.toGMTString()));    
-	    }
-
-	    for (var sName in oParentObj) {
-	      vValue = oParentObj[sName];
-	      if (isFinite(sName) || vValue instanceof Function) { continue; } /* verbosity level is 0 */
-	      if (sName === sValueProp) {
-	        if (vValue !== null && vValue !== true) { oParentEl.appendChild(oXMLDoc.createTextNode(vValue.constructor === Date ? vValue.toGMTString() : String(vValue))); }
-	      } else if (sName === sAttributesProp) { /* verbosity level is 3 */
-	        for (var sAttrib in vValue) { oParentEl.setAttribute(sAttrib, vValue[sAttrib]); }
-	      } else if (sName.charAt(0) === sAttrPref) {
-	        oParentEl.setAttribute(sName.slice(1), vValue);
-	      } else if (vValue.constructor === Array) {
-	        for (var nItem = 0; nItem < vValue.length; nItem++) {
-	          oChild = oXMLDoc.createElement(sName);
-	          loadObjTree(oXMLDoc, oChild, vValue[nItem]);
-	          oParentEl.appendChild(oChild);
-	        }
-	      } else {
-	        oChild = oXMLDoc.createElement(sName);
-	        if (vValue instanceof Object) {
-	          loadObjTree(oXMLDoc, oChild, vValue);
-	        } else if (vValue !== null && vValue !== true) {
-	          oChild.appendChild(oXMLDoc.createTextNode(vValue.toString()));
-	        }
-	        oParentEl.appendChild(oChild);
-	     }
-	   }
-	  }
-
-	  this.build = function (oXMLParent, nVerbosity /* optional */, bFreeze /* optional */, bNesteAttributes /* optional */) {
-	    var _nVerb = arguments.length > 1 && typeof nVerbosity === 'number' ? nVerbosity & 3 : /* put here the default verbosity level: */ 1;
-	    return createObjTree(oXMLParent, _nVerb, bFreeze || false, arguments.length > 3 ? bNesteAttributes : _nVerb === 3);    
-	  };
-
-	  this.unbuild = function (oObjTree) {    
-	    var oNewDoc = document.implementation.createDocument('', '', null);
-	    loadObjTree(oNewDoc, oNewDoc, oObjTree);
-	    return oNewDoc;
-	  };
-
-	  this.stringify = function (oObjTree) {
-	    return (new XMLSerializer()).serializeToString(JXON.unbuild(oObjTree));
-	  };
-	})();
-
-	// var myObject = JXON.build(doc);
-	// we got our javascript object! try: alert(JSON.stringify(myObject));
-
-	// var newDoc = JXON.unbuild(myObject);
-	// we got our Document instance! try: alert((new XMLSerializer()).serializeToString(newDoc));
-
-	var tiler$5 = utilTiler();
-	var dispatch$6 = dispatch('apiStatusChange', 'authLoading', 'authDone', 'change', 'loading', 'loaded', 'loadedNotes');
-	var urlroot = 'https://www.openstreetmap.org';
-	var oauth = osmAuth({
-	    url: urlroot,
-	    oauth_consumer_key: '5A043yRSEugj4DJ5TljuapfnrflWDte8jTOcWLlT',
-	    oauth_secret: 'aB3jKq1TRsCOUrfOIZ6oQMEDmv2ptV76PA54NGLL',
-	    loading: authLoading,
-	    done: authDone
-	});
-
-	var _blacklists = ['.*\.google(apis)?\..*/(vt|kh)[\?/].*([xyz]=.*){3}.*'];
-	var _tileCache = { toLoad: {}, loaded: {}, inflight: {}, seen: {}, rtree: new RBush() };
-	var _noteCache = { toLoad: {}, loaded: {}, inflight: {}, inflightPost: {}, note: {}, closed: {}, rtree: new RBush() };
-	var _userCache = { toLoad: {}, user: {} };
-	var _cachedApiStatus;
-	var _changeset = {};
-
-	var _deferred = new Set();
-	var _connectionID = 1;
-	var _tileZoom$3 = 16;
-	var _noteZoom = 12;
-	var _rateLimitError;
-	var _userChangesets;
-	var _userDetails;
-	var _off;
-
-	// set a default but also load this from the API status
-	var _maxWayNodes = 2000;
-
-
-	function authLoading() {
-	    dispatch$6.call('authLoading');
-	}
-
-
-	function authDone() {
-	    dispatch$6.call('authDone');
-	}
-
-
-	function abortRequest$5(controllerOrXHR) {
-	    if (controllerOrXHR) {
-	        controllerOrXHR.abort();
-	    }
-	}
-
-
-	function hasInflightRequests(cache) {
-	    return Object.keys(cache.inflight).length;
-	}
-
-
-	function abortUnwantedRequests$3(cache, visibleTiles) {
-	    Object.keys(cache.inflight).forEach(function(k) {
-	        if (cache.toLoad[k]) return;
-	        if (visibleTiles.find(function(tile) { return k === tile.id; })) return;
-
-	        abortRequest$5(cache.inflight[k]);
-	        delete cache.inflight[k];
-	    });
-	}
-
-
-	function getLoc(attrs) {
-	    var lon = attrs.lon && attrs.lon.value;
-	    var lat = attrs.lat && attrs.lat.value;
-	    return [parseFloat(lon), parseFloat(lat)];
-	}
-
-
-	function getNodes(obj) {
-	    var elems = obj.getElementsByTagName('nd');
-	    var nodes = new Array(elems.length);
-	    for (var i = 0, l = elems.length; i < l; i++) {
-	        nodes[i] = 'n' + elems[i].attributes.ref.value;
-	    }
-	    return nodes;
-	}
-
-	function getNodesJSON(obj) {
-	    var elems = obj.nodes;
-	    var nodes = new Array(elems.length);
-	    for (var i = 0, l = elems.length; i < l; i++) {
-	        nodes[i] = 'n' + elems[i];
-	    }
-	    return nodes;
-	}
-
-	function getTags(obj) {
-	    var elems = obj.getElementsByTagName('tag');
-	    var tags = {};
-	    for (var i = 0, l = elems.length; i < l; i++) {
-	        var attrs = elems[i].attributes;
-	        tags[attrs.k.value] = attrs.v.value;
-	    }
-
-	    return tags;
-	}
-
-
-	function getMembers(obj) {
-	    var elems = obj.getElementsByTagName('member');
-	    var members = new Array(elems.length);
-	    for (var i = 0, l = elems.length; i < l; i++) {
-	        var attrs = elems[i].attributes;
-	        members[i] = {
-	            id: attrs.type.value[0] + attrs.ref.value,
-	            type: attrs.type.value,
-	            role: attrs.role.value
-	        };
-	    }
-	    return members;
-	}
-
-	function getMembersJSON(obj) {
-	    var elems = obj.members;
-	    var members = new Array(elems.length);
-	    for (var i = 0, l = elems.length; i < l; i++) {
-	        var attrs = elems[i];
-	        members[i] = {
-	            id: attrs.type[0] + attrs.ref,
-	            type: attrs.type,
-	            role: attrs.role
-	        };
-	    }
-	    return members;
-	}
-
-	function getVisible(attrs) {
-	    return (!attrs.visible || attrs.visible.value !== 'false');
-	}
-
-
-	function parseComments(comments) {
-	    var parsedComments = [];
-
-	    // for each comment
-	    for (var i = 0; i < comments.length; i++) {
-	        var comment = comments[i];
-	        if (comment.nodeName === 'comment') {
-	            var childNodes = comment.childNodes;
-	            var parsedComment = {};
-
-	            for (var j = 0; j < childNodes.length; j++) {
-	                var node = childNodes[j];
-	                var nodeName = node.nodeName;
-	                if (nodeName === '#text') continue;
-	                parsedComment[nodeName] = node.textContent;
-
-	                if (nodeName === 'uid') {
-	                    var uid = node.textContent;
-	                    if (uid && !_userCache.user[uid]) {
-	                        _userCache.toLoad[uid] = true;
-	                    }
-	                }
-	            }
-
-	            if (parsedComment) {
-	                parsedComments.push(parsedComment);
-	            }
-	        }
-	    }
-	    return parsedComments;
-	}
-
-
-	function encodeNoteRtree(note) {
-	    return {
-	        minX: note.loc[0],
-	        minY: note.loc[1],
-	        maxX: note.loc[0],
-	        maxY: note.loc[1],
-	        data: note
-	    };
-	}
-
-
-	var jsonparsers = {
-
-	    node: function nodeData(obj, uid) {
-	        return new osmNode({
-	            id:  uid,
-	            visible: typeof obj.visible === 'boolean' ? obj.visible : true,
-	            version: obj.version.toString(),
-	            changeset: obj.changeset.toString(),
-	            timestamp: obj.timestamp,
-	            user: obj.user,
-	            uid: obj.uid.toString(),
-	            loc: [parseFloat(obj.lon), parseFloat(obj.lat)],
-	            tags: obj.tags
-	        });
-	    },
-
-	    way: function wayData(obj, uid) {
-	        return new osmWay({
-	            id:  uid,
-	            visible: typeof obj.visible === 'boolean' ? obj.visible : true,
-	            version: obj.version.toString(),
-	            changeset: obj.changeset.toString(),
-	            timestamp: obj.timestamp,
-	            user: obj.user,
-	            uid: obj.uid.toString(),
-	            tags: obj.tags,
-	            nodes: getNodesJSON(obj)
-	        });
-	    },
-
-	    relation: function relationData(obj, uid) {
-	        return new osmRelation({
-	            id:  uid,
-	            visible: typeof obj.visible === 'boolean' ? obj.visible : true,
-	            version: obj.version.toString(),
-	            changeset: obj.changeset.toString(),
-	            timestamp: obj.timestamp,
-	            user: obj.user,
-	            uid: obj.uid.toString(),
-	            tags: obj.tags,
-	            members: getMembersJSON(obj)
-	        });
-	    }
-	};
-
-	function parseJSON(payload, callback, options) {
-	    options = Object.assign({ skipSeen: true }, options);
-	    if (!payload)  {
-	        return callback({ message: 'No JSON', status: -1 });
-	    }
-
-	    var json = payload;
-	    if (typeof json !== 'object')
-	       json = JSON.parse(payload);
-
-	    if (!json.elements)
-	        return callback({ message: 'No JSON', status: -1 });
-
-	    var children = json.elements;
-
-	    var handle = window.requestIdleCallback(function() {
-	        var results = [];
-	        var result;
-	        for (var i = 0; i < children.length; i++) {
-	            result = parseChild(children[i]);
-	            if (result) results.push(result);
-	        }
-	        callback(null, results);
-	    });
-
-	    _deferred.add(handle);
-
-	    function parseChild(child) {
-	        var parser = jsonparsers[child.type];
-	        if (!parser) return null;
-
-	        var uid;
-
-	        uid = osmEntity.id.fromOSM(child.type, child.id);
-	        if (options.skipSeen) {
-	            if (_tileCache.seen[uid]) return null;  // avoid reparsing a "seen" entity
-	            _tileCache.seen[uid] = true;
-	        }
-
-	        return parser(child, uid);
-	    }
-	}
-
-	var parsers = {
-	    node: function nodeData(obj, uid) {
-	        var attrs = obj.attributes;
-	        return new osmNode({
-	            id: uid,
-	            visible: getVisible(attrs),
-	            version: attrs.version.value,
-	            changeset: attrs.changeset && attrs.changeset.value,
-	            timestamp: attrs.timestamp && attrs.timestamp.value,
-	            user: attrs.user && attrs.user.value,
-	            uid: attrs.uid && attrs.uid.value,
-	            loc: getLoc(attrs),
-	            tags: getTags(obj)
-	        });
-	    },
-
-	    way: function wayData(obj, uid) {
-	        var attrs = obj.attributes;
-	        return new osmWay({
-	            id: uid,
-	            visible: getVisible(attrs),
-	            version: attrs.version.value,
-	            changeset: attrs.changeset && attrs.changeset.value,
-	            timestamp: attrs.timestamp && attrs.timestamp.value,
-	            user: attrs.user && attrs.user.value,
-	            uid: attrs.uid && attrs.uid.value,
-	            tags: getTags(obj),
-	            nodes: getNodes(obj),
-	        });
-	    },
-
-	    relation: function relationData(obj, uid) {
-	        var attrs = obj.attributes;
-	        return new osmRelation({
-	            id: uid,
-	            visible: getVisible(attrs),
-	            version: attrs.version.value,
-	            changeset: attrs.changeset && attrs.changeset.value,
-	            timestamp: attrs.timestamp && attrs.timestamp.value,
-	            user: attrs.user && attrs.user.value,
-	            uid: attrs.uid && attrs.uid.value,
-	            tags: getTags(obj),
-	            members: getMembers(obj)
-	        });
-	    },
-
-	    note: function parseNote(obj, uid) {
-	        var attrs = obj.attributes;
-	        var childNodes = obj.childNodes;
-	        var props = {};
-
-	        props.id = uid;
-	        props.loc = getLoc(attrs);
-
-	        // if notes are coincident, move them apart slightly
-	        var coincident = false;
-	        var epsilon = 0.00001;
-	        do {
-	            if (coincident) {
-	                props.loc = geoVecAdd(props.loc, [epsilon, epsilon]);
-	            }
-	            var bbox = geoExtent(props.loc).bbox();
-	            coincident = _noteCache.rtree.search(bbox).length;
-	        } while (coincident);
-
-	        // parse note contents
-	        for (var i = 0; i < childNodes.length; i++) {
-	            var node = childNodes[i];
-	            var nodeName = node.nodeName;
-	            if (nodeName === '#text') continue;
-
-	            // if the element is comments, parse the comments
-	            if (nodeName === 'comments') {
-	                props[nodeName] = parseComments(node.childNodes);
-	            } else {
-	                props[nodeName] = node.textContent;
-	            }
-	        }
-
-	        var note = new osmNote(props);
-	        var item = encodeNoteRtree(note);
-	        _noteCache.note[note.id] = note;
-	        _noteCache.rtree.insert(item);
-
-	        return note;
-	    },
-
-	    user: function parseUser(obj, uid) {
-	        var attrs = obj.attributes;
-	        var user = {
-	            id: uid,
-	            display_name: attrs.display_name && attrs.display_name.value,
-	            account_created: attrs.account_created && attrs.account_created.value,
-	            changesets_count: '0',
-	            active_blocks: '0'
-	        };
-
-	        var img = obj.getElementsByTagName('img');
-	        if (img && img[0] && img[0].getAttribute('href')) {
-	            user.image_url = img[0].getAttribute('href');
-	        }
-
-	        var changesets = obj.getElementsByTagName('changesets');
-	        if (changesets && changesets[0] && changesets[0].getAttribute('count')) {
-	            user.changesets_count = changesets[0].getAttribute('count');
-	        }
-
-	        var blocks = obj.getElementsByTagName('blocks');
-	        if (blocks && blocks[0]) {
-	            var received = blocks[0].getElementsByTagName('received');
-	            if (received && received[0] && received[0].getAttribute('active')) {
-	                user.active_blocks = received[0].getAttribute('active');
-	            }
-	        }
-
-	        _userCache.user[uid] = user;
-	        delete _userCache.toLoad[uid];
-	        return user;
-	    }
-	};
-
-
-	function parseXML(xml, callback, options) {
-	    options = Object.assign({ skipSeen: true }, options);
-	    if (!xml || !xml.childNodes) {
-	        return callback({ message: 'No XML', status: -1 });
-	    }
-
-	    var root = xml.childNodes[0];
-	    var children = root.childNodes;
-
-	    var handle = window.requestIdleCallback(function() {
-	        var results = [];
-	        var result;
-	        for (var i = 0; i < children.length; i++) {
-	            result = parseChild(children[i]);
-	            if (result) results.push(result);
-	        }
-	        callback(null, results);
-	    });
-
-	    _deferred.add(handle);
-
-
-	    function parseChild(child) {
-	        var parser = parsers[child.nodeName];
-	        if (!parser) return null;
-
-	        var uid;
-	        if (child.nodeName === 'user') {
-	            uid = child.attributes.id.value;
-	            if (options.skipSeen && _userCache.user[uid]) {
-	                delete _userCache.toLoad[uid];
-	                return null;
-	            }
-
-	        } else if (child.nodeName === 'note') {
-	            uid = child.getElementsByTagName('id')[0].textContent;
-
-	        } else {
-	            uid = osmEntity.id.fromOSM(child.nodeName, child.attributes.id.value);
-	            if (options.skipSeen) {
-	                if (_tileCache.seen[uid]) return null;  // avoid reparsing a "seen" entity
-	                _tileCache.seen[uid] = true;
-	            }
-	        }
-
-	        return parser(child, uid);
-	    }
-	}
-
-
-	// replace or remove note from rtree
-	function updateRtree$3(item, replace) {
-	    _noteCache.rtree.remove(item, function isEql(a, b) { return a.data.id === b.data.id; });
-
-	    if (replace) {
-	        _noteCache.rtree.insert(item);
-	    }
-	}
-
-
-	function wrapcb(thisArg, callback, cid) {
-	    return function(err, result) {
-	        if (err) {
-	            // 400 Bad Request, 401 Unauthorized, 403 Forbidden..
-	            if (err.status === 400 || err.status === 401 || err.status === 403) {
-	                thisArg.logout();
-	            }
-	            return callback.call(thisArg, err);
-
-	        } else if (thisArg.getConnectionId() !== cid) {
-	            return callback.call(thisArg, { message: 'Connection Switched', status: -1 });
-
-	        } else {
-	            return callback.call(thisArg, err, result);
-	        }
-	    };
-	}
-
-
-	var serviceOsm = {
-
-	    init: function() {
-	        utilRebind(this, dispatch$6, 'on');
-	    },
-
-
-	    reset: function() {
-	        Array.from(_deferred).forEach(function(handle) {
-	            window.cancelIdleCallback(handle);
-	            _deferred.delete(handle);
-	        });
-
-	        _connectionID++;
-	        _userChangesets = undefined;
-	        _userDetails = undefined;
-	        _rateLimitError = undefined;
-
-	        Object.values(_tileCache.inflight).forEach(abortRequest$5);
-	        Object.values(_noteCache.inflight).forEach(abortRequest$5);
-	        Object.values(_noteCache.inflightPost).forEach(abortRequest$5);
-	        if (_changeset.inflight) abortRequest$5(_changeset.inflight);
-
-	        _tileCache = { toLoad: {}, loaded: {}, inflight: {}, seen: {}, rtree: new RBush() };
-	        _noteCache = { toLoad: {}, loaded: {}, inflight: {}, inflightPost: {}, note: {}, closed: {}, rtree: new RBush() };
-	        _userCache = { toLoad: {}, user: {} };
-	        _cachedApiStatus = undefined;
-	        _changeset = {};
-
-	        return this;
-	    },
-
-
-	    getConnectionId: function() {
-	        return _connectionID;
-	    },
-
-
-	    changesetURL: function(changesetID) {
-	        return urlroot + '/changeset/' + changesetID;
-	    },
-
-
-	    changesetsURL: function(center, zoom) {
-	        var precision = Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));
-	        return urlroot + '/history#map=' +
-	            Math.floor(zoom) + '/' +
-	            center[1].toFixed(precision) + '/' +
-	            center[0].toFixed(precision);
-	    },
-
-
-	    entityURL: function(entity) {
-	        return urlroot + '/' + entity.type + '/' + entity.osmId();
-	    },
-
-
-	    historyURL: function(entity) {
-	        return urlroot + '/' + entity.type + '/' + entity.osmId() + '/history';
-	    },
-
-
-	    userURL: function(username) {
-	        return urlroot + '/user/' + username;
-	    },
-
-
-	    noteURL: function(note) {
-	        return urlroot + '/note/' + note.id;
-	    },
-
-
-	    noteReportURL: function(note) {
-	        return urlroot + '/reports/new?reportable_type=Note&reportable_id=' + note.id;
-	    },
-
-
-	    // Generic method to load data from the OSM API
-	    // Can handle either auth or unauth calls.
-	    loadFromAPI: function(path, callback, options) {
-	        options = Object.assign({ skipSeen: true }, options);
-	        var that = this;
-	        var cid = _connectionID;
-
-	        function done(err, payload) {
-	            if (that.getConnectionId() !== cid) {
-	                if (callback) callback({ message: 'Connection Switched', status: -1 });
-	                return;
-	            }
-
-	            var isAuthenticated = that.authenticated();
-
-	            // 400 Bad Request, 401 Unauthorized, 403 Forbidden
-	            // Logout and retry the request..
-	            if (isAuthenticated && err && err.status &&
-	                    (err.status === 400 || err.status === 401 || err.status === 403)) {
-	                that.logout();
-	                that.loadFromAPI(path, callback, options);
-
-	            // else, no retry..
-	            } else {
-	                // 509 Bandwidth Limit Exceeded, 429 Too Many Requests
-	                // Set the rateLimitError flag and trigger a warning..
-	                if (!isAuthenticated && !_rateLimitError && err && err.status &&
-	                        (err.status === 509 || err.status === 429)) {
-	                    _rateLimitError = err;
-	                    dispatch$6.call('change');
-	                    that.reloadApiStatus();
-
-	                } else if ((err && _cachedApiStatus === 'online') ||
-	                    (!err && _cachedApiStatus !== 'online')) {
-	                    // If the response's error state doesn't match the status,
-	                    // it's likely we lost or gained the connection so reload the status
-	                    that.reloadApiStatus();
-	                }
-
-	                if (callback) {
-	                    if (err) {
-	                        return callback(err);
-	                    } else {
-	                        if (path.indexOf('.json') !== -1) {
-	                            return parseJSON(payload, callback, options);
-	                        } else {
-	                            return parseXML(payload, callback, options);
-	                        }
-	                    }
-	                }
-	            }
-	        }
-
-	        if (this.authenticated()) {
-	            return oauth.xhr({ method: 'GET', path: path }, done);
-	        } else {
-	            var url = urlroot + path;
-	            var controller = new AbortController();
-	            d3_json(url, { signal: controller.signal })
-	                .then(function(data) {
-	                    done(null, data);
-	                })
-	                .catch(function(err) {
-	                    if (err.name === 'AbortError') return;
-	                    // d3-fetch includes status in the error message,
-	                    // but we can't access the response itself
-	                    // https://github.com/d3/d3-fetch/issues/27
-	                    var match = err.message.match(/^\d{3}/);
-	                    if (match) {
-	                        done({ status: +match[0], statusText: err.message });
-	                    } else {
-	                        done(err.message);
-	                    }
-	                });
-	            return controller;
-	        }
-	    },
-
-
-	    // Load a single entity by id (ways and relations use the `/full` call)
-	    // GET /api/0.6/node/#id
-	    // GET /api/0.6/[way|relation]/#id/full
-	    loadEntity: function(id, callback) {
-	        var type = osmEntity.id.type(id);
-	        var osmID = osmEntity.id.toOSM(id);
-	        var options = { skipSeen: false };
-
-	        this.loadFromAPI(
-	            '/api/0.6/' + type + '/' + osmID + (type !== 'node' ? '/full' : '') + '.json',
-	            function(err, entities) {
-	                if (callback) callback(err, { data: entities });
-	            },
-	            options
-	        );
-	    },
-
-
-	    // Load a single entity with a specific version
-	    // GET /api/0.6/[node|way|relation]/#id/#version
-	    loadEntityVersion: function(id, version, callback) {
-	        var type = osmEntity.id.type(id);
-	        var osmID = osmEntity.id.toOSM(id);
-	        var options = { skipSeen: false };
-
-	        this.loadFromAPI(
-	            '/api/0.6/' + type + '/' + osmID + '/' + version + '.json',
-	            function(err, entities) {
-	                if (callback) callback(err, { data: entities });
-	            },
-	            options
-	        );
-	    },
-
-
-	    // Load multiple entities in chunks
-	    // (note: callback may be called multiple times)
-	    // Unlike `loadEntity`, child nodes and members are not fetched
-	    // GET /api/0.6/[nodes|ways|relations]?#parameters
-	    loadMultiple: function(ids, callback) {
-	        var that = this;
-	        var groups = utilArrayGroupBy(utilArrayUniq(ids), osmEntity.id.type);
-
-	        Object.keys(groups).forEach(function(k) {
-	            var type = k + 's';   // nodes, ways, relations
-	            var osmIDs = groups[k].map(function(id) { return osmEntity.id.toOSM(id); });
-	            var options = { skipSeen: false };
-
-	            utilArrayChunk(osmIDs, 150).forEach(function(arr) {
-	                that.loadFromAPI(
-	                    '/api/0.6/' + type + '.json?' + type + '=' + arr.join(),
-	                    function(err, entities) {
-	                        if (callback) callback(err, { data: entities });
-	                    },
-	                    options
-	                );
-	            });
-	        });
-	    },
-
-
-	    // Create, upload, and close a changeset
-	    // PUT /api/0.6/changeset/create
-	    // POST /api/0.6/changeset/#id/upload
-	    // PUT /api/0.6/changeset/#id/close
-	    putChangeset: function(changeset, changes, callback) {
-	        var cid = _connectionID;
-
-	        if (_changeset.inflight) {
-	            return callback({ message: 'Changeset already inflight', status: -2 }, changeset);
-
-	        } else if (_changeset.open) {   // reuse existing open changeset..
-	            return createdChangeset.call(this, null, _changeset.open);
-
-	        } else {   // Open a new changeset..
-	            var options = {
-	                method: 'PUT',
-	                path: '/api/0.6/changeset/create',
-	                options: { header: { 'Content-Type': 'text/xml' } },
-	                content: JXON.stringify(changeset.asJXON())
-	            };
-	            _changeset.inflight = oauth.xhr(
-	                options,
-	                wrapcb(this, createdChangeset, cid)
-	            );
-	        }
-
-
-	        function createdChangeset(err, changesetID) {
-	            _changeset.inflight = null;
-	            if (err) { return callback(err, changeset); }
-
-	            _changeset.open = changesetID;
-	            changeset = changeset.update({ id: changesetID });
-
-	            // Upload the changeset..
-	            var options = {
-	                method: 'POST',
-	                path: '/api/0.6/changeset/' + changesetID + '/upload',
-	                options: { header: { 'Content-Type': 'text/xml' } },
-	                content: JXON.stringify(changeset.osmChangeJXON(changes))
-	            };
-	            _changeset.inflight = oauth.xhr(
-	                options,
-	                wrapcb(this, uploadedChangeset, cid)
-	            );
-	        }
-
-
-	        function uploadedChangeset(err) {
-	            _changeset.inflight = null;
-	            if (err) return callback(err, changeset);
-
-	            // Upload was successful, safe to call the callback.
-	            // Add delay to allow for postgres replication #1646 #2678
-	            window.setTimeout(function() { callback(null, changeset); }, 2500);
-	            _changeset.open = null;
-
-	            // At this point, we don't really care if the connection was switched..
-	            // Only try to close the changeset if we're still talking to the same server.
-	            if (this.getConnectionId() === cid) {
-	                // Still attempt to close changeset, but ignore response because #2667
-	                oauth.xhr({
-	                    method: 'PUT',
-	                    path: '/api/0.6/changeset/' + changeset.id + '/close',
-	                    options: { header: { 'Content-Type': 'text/xml' } }
-	                }, function() { return true; });
-	            }
-	        }
-	    },
-
-
-	    // Load multiple users in chunks
-	    // (note: callback may be called multiple times)
-	    // GET /api/0.6/users?users=#id1,#id2,...,#idn
-	    loadUsers: function(uids, callback) {
-	        var toLoad = [];
-	        var cached = [];
-
-	        utilArrayUniq(uids).forEach(function(uid) {
-	            if (_userCache.user[uid]) {
-	                delete _userCache.toLoad[uid];
-	                cached.push(_userCache.user[uid]);
-	            } else {
-	                toLoad.push(uid);
-	            }
-	        });
-
-	        if (cached.length || !this.authenticated()) {
-	            callback(undefined, cached);
-	            if (!this.authenticated()) return;  // require auth
-	        }
-
-	        utilArrayChunk(toLoad, 150).forEach(function(arr) {
-	            oauth.xhr(
-	                { method: 'GET', path: '/api/0.6/users?users=' + arr.join() },
-	                wrapcb(this, done, _connectionID)
-	            );
-	        }.bind(this));
-
-	        function done(err, xml) {
-	            if (err) { return callback(err); }
-
-	            var options = { skipSeen: true };
-	            return parseXML(xml, function(err, results) {
-	                if (err) {
-	                    return callback(err);
-	                } else {
-	                    return callback(undefined, results);
-	                }
-	            }, options);
-	        }
-	    },
-
-
-	    // Load a given user by id
-	    // GET /api/0.6/user/#id
-	    loadUser: function(uid, callback) {
-	        if (_userCache.user[uid] || !this.authenticated()) {   // require auth
-	            delete _userCache.toLoad[uid];
-	            return callback(undefined, _userCache.user[uid]);
-	        }
-
-	        oauth.xhr(
-	            { method: 'GET', path: '/api/0.6/user/' + uid },
-	            wrapcb(this, done, _connectionID)
-	        );
-
-	        function done(err, xml) {
-	            if (err) { return callback(err); }
-
-	            var options = { skipSeen: true };
-	            return parseXML(xml, function(err, results) {
-	                if (err) {
-	                    return callback(err);
-	                } else {
-	                    return callback(undefined, results[0]);
-	                }
-	            }, options);
-	        }
-	    },
-
-
-	    // Load the details of the logged-in user
-	    // GET /api/0.6/user/details
-	    userDetails: function(callback) {
-	        if (_userDetails) {    // retrieve cached
-	            return callback(undefined, _userDetails);
-	        }
-
-	        oauth.xhr(
-	            { method: 'GET', path: '/api/0.6/user/details' },
-	            wrapcb(this, done, _connectionID)
-	        );
-
-	        function done(err, xml) {
-	            if (err) { return callback(err); }
-
-	            var options = { skipSeen: false };
-	            return parseXML(xml, function(err, results) {
-	                if (err) {
-	                    return callback(err);
-	                } else {
-	                    _userDetails = results[0];
-	                    return callback(undefined, _userDetails);
-	                }
-	            }, options);
-	        }
-	    },
-
-
-	    // Load previous changesets for the logged in user
-	    // GET /api/0.6/changesets?user=#id
-	    userChangesets: function(callback) {
-	        if (_userChangesets) {    // retrieve cached
-	            return callback(undefined, _userChangesets);
-	        }
-
-	        this.userDetails(
-	            wrapcb(this, gotDetails, _connectionID)
-	        );
-
-
-	        function gotDetails(err, user) {
-	            if (err) { return callback(err); }
-
-	            oauth.xhr(
-	                { method: 'GET', path: '/api/0.6/changesets?user=' + user.id },
-	                wrapcb(this, done, _connectionID)
-	            );
-	        }
-
-	        function done(err, xml) {
-	            if (err) { return callback(err); }
-
-	            _userChangesets = Array.prototype.map.call(
-	                xml.getElementsByTagName('changeset'),
-	                function (changeset) { return { tags: getTags(changeset) }; }
-	            ).filter(function (changeset) {
-	                var comment = changeset.tags.comment;
-	                return comment && comment !== '';
-	            });
-
-	            return callback(undefined, _userChangesets);
-	        }
-	    },
-
-
-	    // Fetch the status of the OSM API
-	    // GET /api/capabilities
-	    status: function(callback) {
-	        var url = urlroot + '/api/capabilities';
-	        var errback = wrapcb(this, done, _connectionID);
-	        d3_xml(url)
-	            .then(function(data) { errback(null, data); })
-	            .catch(function(err) { errback(err.message); });
-
-	        function done(err, xml) {
-	            if (err) {
-	                // the status is null if no response could be retrieved
-	                return callback(err, null);
-	            }
-
-	            // update blacklists
-	            var elements = xml.getElementsByTagName('blacklist');
-	            var regexes = [];
-	            for (var i = 0; i < elements.length; i++) {
-	                var regex = elements[i].getAttribute('regex');  // needs unencode?
-	                if (regex) {
-	                    regexes.push(regex);
-	                }
-	            }
-	            if (regexes.length) {
-	                _blacklists = regexes;
-	            }
-
-	            if (_rateLimitError) {
-	                return callback(_rateLimitError, 'rateLimited');
-	            } else {
-	                var waynodes = xml.getElementsByTagName('waynodes');
-	                var maxWayNodes = waynodes.length && parseInt(waynodes[0].getAttribute('maximum'), 10);
-	                if (maxWayNodes && isFinite(maxWayNodes)) _maxWayNodes = maxWayNodes;
-
-	                var apiStatus = xml.getElementsByTagName('status');
-	                var val = apiStatus[0].getAttribute('api');
-	                return callback(undefined, val);
-	            }
-	        }
-	    },
-
-	    // Calls `status` and dispatches an `apiStatusChange` event if the returned
-	    // status differs from the cached status.
-	    reloadApiStatus: function() {
-	        // throttle to avoid unncessary API calls
-	        if (!this.throttledReloadApiStatus) {
-	            var that = this;
-	            this.throttledReloadApiStatus = throttle(function() {
-	                that.status(function(err, status) {
-	                    if (status !== _cachedApiStatus) {
-	                        _cachedApiStatus = status;
-	                        dispatch$6.call('apiStatusChange', that, err, status);
-	                    }
-	                });
-	            }, 500);
-	        }
-	        this.throttledReloadApiStatus();
-	    },
-
-
-	    // Returns the maximum number of nodes a single way can have
-	    maxWayNodes: function() {
-	        return _maxWayNodes;
-	    },
-
-
-	    // Load data (entities) from the API in tiles
-	    // GET /api/0.6/map?bbox=
-	    loadTiles: function(projection, callback) {
-	        if (_off) return;
-
-	        // determine the needed tiles to cover the view
-	        var tiles = tiler$5.zoomExtent([_tileZoom$3, _tileZoom$3]).getTiles(projection);
-
-	        // abort inflight requests that are no longer needed
-	        var hadRequests = hasInflightRequests(_tileCache);
-	        abortUnwantedRequests$3(_tileCache, tiles);
-	        if (hadRequests && !hasInflightRequests(_tileCache)) {
-	            dispatch$6.call('loaded');    // stop the spinner
-	        }
-
-	        // issue new requests..
-	        tiles.forEach(function(tile) {
-	            this.loadTile(tile, callback);
-	        }, this);
-	    },
-
-
-	    // Load a single data tile
-	    // GET /api/0.6/map?bbox=
-	    loadTile: function(tile, callback) {
-	        if (_off) return;
-	        if (_tileCache.loaded[tile.id] || _tileCache.inflight[tile.id]) return;
-
-	        if (!hasInflightRequests(_tileCache)) {
-	            dispatch$6.call('loading');   // start the spinner
-	        }
-
-	        var path = '/api/0.6/map.json?bbox=';
-	        var options = { skipSeen: true };
-
-	        _tileCache.inflight[tile.id] = this.loadFromAPI(
-	            path + tile.extent.toParam(),
-	            tileCallback,
-	            options
-	        );
-
-	        function tileCallback(err, parsed) {
-	            delete _tileCache.inflight[tile.id];
-	            if (!err) {
-	                delete _tileCache.toLoad[tile.id];
-	                _tileCache.loaded[tile.id] = true;
-	                var bbox = tile.extent.bbox();
-	                bbox.id = tile.id;
-	                _tileCache.rtree.insert(bbox);
-	            }
-	            if (callback) {
-	                callback(err, Object.assign({ data: parsed }, tile));
-	            }
-	            if (!hasInflightRequests(_tileCache)) {
-	                dispatch$6.call('loaded');     // stop the spinner
-	            }
-	        }
-	    },
-
-
-	    isDataLoaded: function(loc) {
-	        var bbox = { minX: loc[0], minY: loc[1], maxX: loc[0], maxY: loc[1] };
-	        return _tileCache.rtree.collides(bbox);
-	    },
-
-
-	    // load the tile that covers the given `loc`
-	    loadTileAtLoc: function(loc, callback) {
-	        // Back off if the toLoad queue is filling up.. re #6417
-	        // (Currently `loadTileAtLoc` requests are considered low priority - used by operations to
-	        // let users safely edit geometries which extend to unloaded tiles.  We can drop some.)
-	        if (Object.keys(_tileCache.toLoad).length > 50) return;
-
-	        var k = geoZoomToScale(_tileZoom$3 + 1);
-	        var offset = geoRawMercator().scale(k)(loc);
-	        var projection = geoRawMercator().transform({ k: k, x: -offset[0], y: -offset[1] });
-	        var tiles = tiler$5.zoomExtent([_tileZoom$3, _tileZoom$3]).getTiles(projection);
-
-	        tiles.forEach(function(tile) {
-	            if (_tileCache.toLoad[tile.id] || _tileCache.loaded[tile.id] || _tileCache.inflight[tile.id]) return;
-
-	            _tileCache.toLoad[tile.id] = true;
-	            this.loadTile(tile, callback);
-	        }, this);
-	    },
-
-
-	    // Load notes from the API in tiles
-	    // GET /api/0.6/notes?bbox=
-	    loadNotes: function(projection, noteOptions) {
-	        noteOptions = Object.assign({ limit: 10000, closed: 7 }, noteOptions);
-	        if (_off) return;
-
-	        var that = this;
-	        var path = '/api/0.6/notes?limit=' + noteOptions.limit + '&closed=' + noteOptions.closed + '&bbox=';
-	        var throttleLoadUsers = throttle(function() {
-	            var uids = Object.keys(_userCache.toLoad);
-	            if (!uids.length) return;
-	            that.loadUsers(uids, function() {});  // eagerly load user details
-	        }, 750);
-
-	        // determine the needed tiles to cover the view
-	        var tiles = tiler$5.zoomExtent([_noteZoom, _noteZoom]).getTiles(projection);
-
-	        // abort inflight requests that are no longer needed
-	        abortUnwantedRequests$3(_noteCache, tiles);
-
-	        // issue new requests..
-	        tiles.forEach(function(tile) {
-	            if (_noteCache.loaded[tile.id] || _noteCache.inflight[tile.id]) return;
-
-	            var options = { skipSeen: false };
-	            _noteCache.inflight[tile.id] = that.loadFromAPI(
-	                path + tile.extent.toParam(),
-	                function(err) {
-	                    delete _noteCache.inflight[tile.id];
-	                    if (!err) {
-	                        _noteCache.loaded[tile.id] = true;
-	                    }
-	                    throttleLoadUsers();
-	                    dispatch$6.call('loadedNotes');
-	                },
-	                options
-	            );
-	        });
-	    },
-
-
-	    // Create a note
-	    // POST /api/0.6/notes?params
-	    postNoteCreate: function(note, callback) {
-	        if (!this.authenticated()) {
-	            return callback({ message: 'Not Authenticated', status: -3 }, note);
-	        }
-	        if (_noteCache.inflightPost[note.id]) {
-	            return callback({ message: 'Note update already inflight', status: -2 }, note);
-	        }
-
-	        if (!note.loc[0] || !note.loc[1] || !note.newComment) return; // location & description required
-
-	        var comment = note.newComment;
-	        if (note.newCategory && note.newCategory !== 'None') { comment += ' #' + note.newCategory; }
-
-	        var path = '/api/0.6/notes?' + utilQsString({ lon: note.loc[0], lat: note.loc[1], text: comment });
-
-	        _noteCache.inflightPost[note.id] = oauth.xhr(
-	            { method: 'POST', path: path },
-	            wrapcb(this, done, _connectionID)
-	        );
-
-
-	        function done(err, xml) {
-	            delete _noteCache.inflightPost[note.id];
-	            if (err) { return callback(err); }
-
-	            // we get the updated note back, remove from caches and reparse..
-	            this.removeNote(note);
-
-	            var options = { skipSeen: false };
-	            return parseXML(xml, function(err, results) {
-	                if (err) {
-	                    return callback(err);
-	                } else {
-	                    return callback(undefined, results[0]);
-	                }
-	            }, options);
-	        }
-	    },
-
-
-	    // Update a note
-	    // POST /api/0.6/notes/#id/comment?text=comment
-	    // POST /api/0.6/notes/#id/close?text=comment
-	    // POST /api/0.6/notes/#id/reopen?text=comment
-	    postNoteUpdate: function(note, newStatus, callback) {
-	        if (!this.authenticated()) {
-	            return callback({ message: 'Not Authenticated', status: -3 }, note);
-	        }
-	        if (_noteCache.inflightPost[note.id]) {
-	            return callback({ message: 'Note update already inflight', status: -2 }, note);
-	        }
-
-	        var action;
-	        if (note.status !== 'closed' && newStatus === 'closed') {
-	            action = 'close';
-	        } else if (note.status !== 'open' && newStatus === 'open') {
-	            action = 'reopen';
-	        } else {
-	            action = 'comment';
-	            if (!note.newComment) return; // when commenting, comment required
-	        }
-
-	        var path = '/api/0.6/notes/' + note.id + '/' + action;
-	        if (note.newComment) {
-	            path += '?' + utilQsString({ text: note.newComment });
-	        }
-
-	        _noteCache.inflightPost[note.id] = oauth.xhr(
-	            { method: 'POST', path: path },
-	            wrapcb(this, done, _connectionID)
-	        );
-
-
-	        function done(err, xml) {
-	            delete _noteCache.inflightPost[note.id];
-	            if (err) { return callback(err); }
-
-	            // we get the updated note back, remove from caches and reparse..
-	            this.removeNote(note);
-
-	            // update closed note cache - used to populate `closed:note` changeset tag
-	            if (action === 'close') {
-	                _noteCache.closed[note.id] = true;
-	            } else if (action === 'reopen') {
-	                delete _noteCache.closed[note.id];
-	            }
-
-	            var options = { skipSeen: false };
-	            return parseXML(xml, function(err, results) {
-	                if (err) {
-	                    return callback(err);
-	                } else {
-	                    return callback(undefined, results[0]);
-	                }
-	            }, options);
-	        }
-	    },
-
-
-	    switch: function(options) {
-	        urlroot = options.urlroot;
-
-	        oauth.options(Object.assign({
-	            url: urlroot,
-	            loading: authLoading,
-	            done: authDone
-	        }, options));
-
-	        this.reset();
-	        this.userChangesets(function() {});  // eagerly load user details/changesets
-	        dispatch$6.call('change');
-	        return this;
-	    },
-
-
-	    toggle: function(val) {
-	        _off = !val;
-	        return this;
-	    },
-
-
-	    isChangesetInflight: function() {
-	        return !!_changeset.inflight;
-	    },
-
-
-	    // get/set cached data
-	    // This is used to save/restore the state when entering/exiting the walkthrough
-	    // Also used for testing purposes.
-	    caches: function(obj) {
-	        function cloneCache(source) {
-	            var target = {};
-	            Object.keys(source).forEach(function(k) {
-	                if (k === 'rtree') {
-	                    target.rtree = new RBush().fromJSON(source.rtree.toJSON());  // clone rbush
-	                } else if (k === 'note') {
-	                    target.note = {};
-	                    Object.keys(source.note).forEach(function(id) {
-	                        target.note[id] = osmNote(source.note[id]);   // copy notes
-	                    });
-	                } else {
-	                    target[k] = JSON.parse(JSON.stringify(source[k]));   // clone deep
-	                }
-	            });
-	            return target;
-	        }
-
-	        if (!arguments.length) {
-	            return {
-	                tile: cloneCache(_tileCache),
-	                note: cloneCache(_noteCache),
-	                user: cloneCache(_userCache)
-	            };
-	        }
-
-	        // access caches directly for testing (e.g., loading notes rtree)
-	        if (obj === 'get') {
-	            return {
-	                tile: _tileCache,
-	                note: _noteCache,
-	                user: _userCache
-	            };
-	        }
-
-	        if (obj.tile) {
-	            _tileCache = obj.tile;
-	            _tileCache.inflight = {};
-	        }
-	        if (obj.note) {
-	            _noteCache = obj.note;
-	            _noteCache.inflight = {};
-	            _noteCache.inflightPost = {};
-	        }
-	        if (obj.user) {
-	            _userCache = obj.user;
-	        }
-
-	        return this;
-	    },
-
-
-	    logout: function() {
-	        _userChangesets = undefined;
-	        _userDetails = undefined;
-	        oauth.logout();
-	        dispatch$6.call('change');
-	        return this;
-	    },
-
-
-	    authenticated: function() {
-	        return oauth.authenticated();
-	    },
-
-
-	    authenticate: function(callback) {
-	        var that = this;
-	        var cid = _connectionID;
-	        _userChangesets = undefined;
-	        _userDetails = undefined;
-
-	        function done(err, res) {
-	            if (err) {
-	                if (callback) callback(err);
-	                return;
-	            }
-	            if (that.getConnectionId() !== cid) {
-	                if (callback) callback({ message: 'Connection Switched', status: -1 });
-	                return;
-	            }
-	            _rateLimitError = undefined;
-	            dispatch$6.call('change');
-	            if (callback) callback(err, res);
-	            that.userChangesets(function() {});  // eagerly load user details/changesets
-	        }
-
-	        return oauth.authenticate(done);
-	    },
-
-
-	    imageryBlacklists: function() {
-	        return _blacklists;
-	    },
-
-
-	    tileZoom: function(val) {
-	        if (!arguments.length) return _tileZoom$3;
-	        _tileZoom$3 = val;
-	        return this;
-	    },
-
-
-	    // get all cached notes covering the viewport
-	    notes: function(projection) {
-	        var viewport = projection.clipExtent();
-	        var min = [viewport[0][0], viewport[1][1]];
-	        var max = [viewport[1][0], viewport[0][1]];
-	        var bbox = geoExtent(projection.invert(min), projection.invert(max)).bbox();
-
-	        return _noteCache.rtree.search(bbox)
-	            .map(function(d) { return d.data; });
-	    },
-
-
-	    // get a single note from the cache
-	    getNote: function(id) {
-	        return _noteCache.note[id];
-	    },
-
-
-	    // remove a single note from the cache
-	    removeNote: function(note) {
-	        if (!(note instanceof osmNote) || !note.id) return;
-
-	        delete _noteCache.note[note.id];
-	        updateRtree$3(encodeNoteRtree(note), false);  // false = remove
-	    },
-
-
-	    // replace a single note in the cache
-	    replaceNote: function(note) {
-	        if (!(note instanceof osmNote) || !note.id) return;
-
-	        _noteCache.note[note.id] = note;
-	        updateRtree$3(encodeNoteRtree(note), true);  // true = replace
-	        return note;
-	    },
-
-
-	    // Get an array of note IDs closed during this session.
-	    // Used to populate `closed:note` changeset tag
-	    getClosedIDs: function() {
-	        return Object.keys(_noteCache.closed).sort();
-	    }
-
-	};
-
-	var apibase$3 = 'https://wiki.openstreetmap.org/w/api.php';
-	var _inflight$1 = {};
-	var _wikibaseCache = {};
-	var _localeIDs = { en: false };
-
-
-	var debouncedRequest = debounce(request, 500, { leading: false });
-
-	function request(url, callback) {
-	    if (_inflight$1[url]) return;
-	    var controller = new AbortController();
-	    _inflight$1[url] = controller;
-
-	    d3_json(url, { signal: controller.signal })
-	        .then(function(result) {
-	            delete _inflight$1[url];
-	            if (callback) callback(null, result);
-	        })
-	        .catch(function(err) {
-	            delete _inflight$1[url];
-	            if (err.name === 'AbortError') return;
-	            if (callback) callback(err.message);
-	        });
-	}
-
-
-	/**
-	 * Get the best string value from the descriptions/labels result
-	 * Note that if mediawiki doesn't recognize language code, it will return all values.
-	 * In that case, fallback to use English.
-	 * @param values object - either descriptions or labels
-	 * @param langCode String
-	 * @returns localized string
-	 */
-	function localizedToString(values, langCode) {
-	    if (values) {
-	        values = values[langCode] || values.en;
-	    }
-	    return values ? values.value : '';
-	}
-
-
-	var serviceOsmWikibase = {
-
-	    init: function() {
-	        _inflight$1 = {};
-	        _wikibaseCache = {};
-	        _localeIDs = {};
-	    },
-
-
-	    reset: function() {
-	        Object.values(_inflight$1).forEach(function(controller) { controller.abort(); });
-	        _inflight$1 = {};
-	    },
-
-
-	    /**
-	     * Get the best value for the property, or undefined if not found
-	     * @param entity object from wikibase
-	     * @param property string e.g. 'P4' for image
-	     * @param langCode string e.g. 'fr' for French
-	     */
-	    claimToValue: function(entity, property, langCode) {
-	        if (!entity.claims[property]) return undefined;
-	        var locale = _localeIDs[langCode];
-	        var preferredPick, localePick;
-
-	        entity.claims[property].forEach(function(stmt) {
-	            // If exists, use value limited to the needed language (has a qualifier P26 = locale)
-	            // Or if not found, use the first value with the "preferred" rank
-	            if (!preferredPick && stmt.rank === 'preferred') {
-	                preferredPick = stmt;
-	            }
-	            if (locale && stmt.qualifiers && stmt.qualifiers.P26 &&
-	                stmt.qualifiers.P26[0].datavalue.value.id === locale
-	            ) {
-	                localePick = stmt;
-	            }
-	        });
-
-	        var result = localePick || preferredPick;
-	        if (result) {
-	            var datavalue = result.mainsnak.datavalue;
-	            return datavalue.type === 'wikibase-entityid' ? datavalue.value.id : datavalue.value;
-	        } else {
-	            return undefined;
-	        }
-	    },
-
-
-	    /**
-	     * Convert monolingual property into a key-value object (language -> value)
-	     * @param entity object from wikibase
-	     * @param property string e.g. 'P31' for monolingual wiki page title
-	     */
-	    monolingualClaimToValueObj: function(entity, property) {
-	        if (!entity || !entity.claims[property]) return undefined;
-
-	        return entity.claims[property].reduce(function(acc, obj) {
-	            var value = obj.mainsnak.datavalue.value;
-	            acc[value.language] = value.text;
-	            return acc;
-	        }, {});
-	    },
-
-
-	    toSitelink: function(key, value) {
-	        var result = value ? ('Tag:' + key + '=' + value) : 'Key:' + key;
-	        return result.replace(/_/g, ' ').trim();
-	    },
-
-
-	    //
-	    // Pass params object of the form:
-	    // {
-	    //   key: 'string',
-	    //   value: 'string',
-	    //   rtype: 'string',
-	    //   langCode: 'string'
-	    // }
-	    //
-	    getEntity: function(params, callback) {
-	        var doRequest = params.debounce ? debouncedRequest : request;
-	        var that = this;
-	        var titles = [];
-	        var result = {};
-	        var rtypeSitelink = params.rtype ? ('Relation:' + params.rtype).replace(/_/g, ' ').trim() : false;
-	        var keySitelink = params.key ? this.toSitelink(params.key) : false;
-	        var tagSitelink = (params.key && params.value) ? this.toSitelink(params.key, params.value) : false;
-	        var localeSitelink;
-
-	        if (params.langCode && _localeIDs[params.langCode] === undefined) {
-	            // If this is the first time we are asking about this locale,
-	            // fetch corresponding entity (if it exists), and cache it.
-	            // If there is no such entry, cache `false` value to avoid re-requesting it.
-	            localeSitelink = ('Locale:' + params.langCode).replace(/_/g, ' ').trim();
-	            titles.push(localeSitelink);
-	        }
-
-	        if (rtypeSitelink) {
-	            if (_wikibaseCache[rtypeSitelink]) {
-	                result.rtype = _wikibaseCache[rtypeSitelink];
-	            } else {
-	                titles.push(rtypeSitelink);
-	            }
-	        }
-
-	        if (keySitelink) {
-	            if (_wikibaseCache[keySitelink]) {
-	                result.key = _wikibaseCache[keySitelink];
-	            } else {
-	                titles.push(keySitelink);
-	            }
-	        }
-
-	        if (tagSitelink) {
-	            if (_wikibaseCache[tagSitelink]) {
-	                result.tag = _wikibaseCache[tagSitelink];
-	            } else {
-	                titles.push(tagSitelink);
-	            }
-	        }
-
-	        if (!titles.length) {
-	            // Nothing to do, we already had everything in the cache
-	            return callback(null, result);
-	        }
-
-	        // Requesting just the user language code
-	        // If backend recognizes the code, it will perform proper fallbacks,
-	        // and the result will contain the requested code. If not, all values are returned:
-	        // {"zh-tw":{"value":"...","language":"zh-tw","source-language":"zh-hant"}
-	        // {"pt-br":{"value":"...","language":"pt","for-language":"pt-br"}}
-	        var obj = {
-	            action: 'wbgetentities',
-	            sites: 'wiki',
-	            titles: titles.join('|'),
-	            languages: params.langCode,
-	            languagefallback: 1,
-	            origin: '*',
-	            format: 'json',
-	            // There is an MW Wikibase API bug https://phabricator.wikimedia.org/T212069
-	            // We shouldn't use v1 until it gets fixed, but should switch to it afterwards
-	            // formatversion: 2,
-	        };
-
-	        var url = apibase$3 + '?' + utilQsString(obj);
-	        doRequest(url, function(err, d) {
-	            if (err) {
-	                callback(err);
-	            } else if (!d.success || d.error) {
-	                callback(d.error.messages.map(function(v) { return v.html['*']; }).join('<br>'));
-	            } else {
-	                var localeID = false;
-	                Object.values(d.entities).forEach(function(res) {
-	                    if (res.missing !== '') {
-	                        // Simplify access to the localized values
-	                        res.description = localizedToString(res.descriptions, params.langCode);
-	                        res.label = localizedToString(res.labels, params.langCode);
-
-	                        var title = res.sitelinks.wiki.title;
-	                        if (title === rtypeSitelink) {
-	                            _wikibaseCache[rtypeSitelink] = res;
-	                            result.rtype = res;
-	                        } else if (title === keySitelink) {
-	                            _wikibaseCache[keySitelink] = res;
-	                            result.key = res;
-	                        } else if (title === tagSitelink) {
-	                            _wikibaseCache[tagSitelink] = res;
-	                            result.tag = res;
-	                        } else if (title === localeSitelink) {
-	                            localeID = res.id;
-	                        } else {
-	                            console.log('Unexpected title ' + title);  // eslint-disable-line no-console
-	                        }
-	                    }
-	                });
-
-	                if (localeSitelink) {
-	                    // If locale ID is not found, store false to prevent repeated queries
-	                    that.addLocale(params.langCode, localeID);
-	                }
-
-	                callback(null, result);
-	            }
-	        });
-	    },
-
-
-	    //
-	    // Pass params object of the form:
-	    // {
-	    //   key: 'string',     // required
-	    //   value: 'string'    // optional
-	    // }
-	    //   -or-
-	    // {
-	    //   rtype: 'rtype'     // relation type  (e.g. 'multipolygon')
-	    // }
-	    //
-	    // Get an result object used to display tag documentation
-	    // {
-	    //   title:        'string',
-	    //   description:  'string',
-	    //   editURL:      'string',
-	    //   imageURL:     'string',
-	    //   wiki:         { title: 'string', text: 'string', url: 'string' }
-	    // }
-	    //
-	    getDocs: function(params, callback) {
-	        var that = this;
-	        var langCode = _mainLocalizer.localeCode().toLowerCase();
-	        params.langCode = langCode;
-
-	        this.getEntity(params, function(err, data) {
-	            if (err) {
-	                callback(err);
-	                return;
-	            }
-
-	            var entity = data.rtype || data.tag || data.key;
-	            if (!entity) {
-	                callback('No entity');
-	                return;
-	            }
-
-	            // prepare result
-	            var result = {
-	                title: entity.title,
-	                description: entity.description,
-	                editURL: 'https://wiki.openstreetmap.org/wiki/' + entity.title
-	            };
-
-	            // add image
-	            if (entity.claims) {
-	                var imageroot;
-	                var image = that.claimToValue(entity, 'P4', langCode);
-	                if (image) {
-	                    imageroot = 'https://commons.wikimedia.org/w/index.php';
-	                } else {
-	                    image = that.claimToValue(entity, 'P28', langCode);
-	                    if (image) {
-	                        imageroot = 'https://wiki.openstreetmap.org/w/index.php';
-	                    }
-	                }
-	                if (imageroot && image) {
-	                    result.imageURL = imageroot + '?' + utilQsString({
-	                        title: 'Special:Redirect/file/' + image,
-	                        width: 400
-	                    });
-	                }
-	            }
-
-	            // Try to get a wiki page from tag data item first, followed by the corresponding key data item.
-	            // If neither tag nor key data item contain a wiki page in the needed language nor English,
-	            // get the first found wiki page from either the tag or the key item.
-	            var rtypeWiki = that.monolingualClaimToValueObj(data.rtype, 'P31');
-	            var tagWiki = that.monolingualClaimToValueObj(data.tag, 'P31');
-	            var keyWiki = that.monolingualClaimToValueObj(data.key, 'P31');
-
-	            // If exact language code does not exist, try to find the first part before the '-'
-	            // BUG: in some cases, a more elaborate fallback logic might be needed
-	            var langPrefix = langCode.split('-', 2)[0];
-
-	            // use the first acceptable wiki page
-	            result.wiki =
-	                getWikiInfo(rtypeWiki, langCode, 'inspector.wiki_reference') ||
-	                getWikiInfo(rtypeWiki, langPrefix, 'inspector.wiki_reference') ||
-	                getWikiInfo(rtypeWiki, 'en', 'inspector.wiki_en_reference') ||
-	                getWikiInfo(tagWiki, langCode, 'inspector.wiki_reference') ||
-	                getWikiInfo(tagWiki, langPrefix, 'inspector.wiki_reference') ||
-	                getWikiInfo(tagWiki, 'en', 'inspector.wiki_en_reference') ||
-	                getWikiInfo(keyWiki, langCode, 'inspector.wiki_reference') ||
-	                getWikiInfo(keyWiki, langPrefix, 'inspector.wiki_reference') ||
-	                getWikiInfo(keyWiki, 'en', 'inspector.wiki_en_reference');
-
-	            callback(null, result);
-
-
-	            // Helper method to get wiki info if a given language exists
-	            function getWikiInfo(wiki, langCode, tKey) {
-	                if (wiki && wiki[langCode]) {
-	                    return {
-	                        title: wiki[langCode],
-	                        text: tKey,
-	                        url: 'https://wiki.openstreetmap.org/wiki/' + wiki[langCode]
-	                    };
-	                }
-	            }
-	        });
-	    },
-
-
-	    addLocale: function(langCode, qid) {
-	        // Makes it easier to unit test
-	        _localeIDs[langCode] = qid;
-	    },
-
-
-	    apibase: function(val) {
-	        if (!arguments.length) return apibase$3;
-	        apibase$3 = val;
-	        return this;
-	    }
-
-	};
-
-	var jsonpCache = {};
-	window.jsonpCache = jsonpCache;
-
-	function jsonpRequest(url, callback) {
-	    var request = {
-	        abort: function() {}
-	    };
-
-	    if (window.JSONP_FIX) {
-	        if (window.JSONP_DELAY === 0) {
-	            callback(window.JSONP_FIX);
-	        } else {
-	            var t = window.setTimeout(function() {
-	                callback(window.JSONP_FIX);
-	            }, window.JSONP_DELAY || 0);
-
-	            request.abort = function() { window.clearTimeout(t); };
-	        }
-
-	        return request;
-	    }
-
-	    function rand() {
-	        var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
-	        var c = '';
-	        var i = -1;
-	        while (++i < 15) c += chars.charAt(Math.floor(Math.random() * 52));
-	        return c;
-	    }
-
-	    function create(url) {
-	        var e = url.match(/callback=(\w+)/);
-	        var c = e ? e[1] : rand();
-
-	        jsonpCache[c] = function(data) {
-	            if (jsonpCache[c]) {
-	                callback(data);
-	            }
-	            finalize();
-	        };
-
-	        function finalize() {
-	            delete jsonpCache[c];
-	            script.remove();
-	        }
-
-	        request.abort = finalize;
-	        return 'jsonpCache.' + c;
-	    }
-
-	    var cb = create(url);
-
-	    var script = select('head')
-	        .append('script')
-	        .attr('type', 'text/javascript')
-	        .attr('src', url.replace(/(\{|%7B)callback(\}|%7D)/, cb));
-
-	    return request;
-	}
-
-	const bubbleApi = 'https://dev.virtualearth.net/mapcontrol/HumanScaleServices/GetBubbles.ashx?';
-	const streetsideImagesApi = 'https://t.ssl.ak.tiles.virtualearth.net/tiles/';
-	const bubbleAppKey = 'AuftgJsO0Xs8Ts4M1xZUQJQXJNsvmh3IV8DkNieCiy3tCwCUMq76-WpkrBtNAuEm';
-	const pannellumViewerCSS = 'pannellum-streetside/pannellum.css';
-	const pannellumViewerJS = 'pannellum-streetside/pannellum.js';
-	const maxResults$2 = 2000;
-	const tileZoom$2 = 16.5;
-	const tiler$6 = utilTiler().zoomExtent([tileZoom$2, tileZoom$2]).skipNullIsland(true);
-	const dispatch$7 = dispatch('loadedBubbles', 'viewerChanged');
-	const minHfov = 10;         // zoom in degrees:  20, 10, 5
-	const maxHfov = 90;         // zoom out degrees
-	const defaultHfov = 45;
-
-	let _hires = false;
-	let _resolution = 512;    // higher numbers are slower - 512, 1024, 2048, 4096
-	let _currScene = 0;
-	let _ssCache;
-	let _pannellumViewer;
-	let _sceneOptions;
-	let _dataUrlArray = [];
-
-
-	/**
-	 * abortRequest().
-	 */
-	function abortRequest$6(i) {
-	  i.abort();
-	}
-
-
-	/**
-	 * localeTimeStamp().
-	 */
-	function localeTimestamp(s) {
-	  if (!s) return null;
-	  const options = { day: 'numeric', month: 'short', year: 'numeric' };
-	  const d = new Date(s);
-	  if (isNaN(d.getTime())) return null;
-	  return d.toLocaleString(_mainLocalizer.localeCode(), options);
-	}
-
-
-	/**
-	 * loadTiles() wraps the process of generating tiles and then fetching image points for each tile.
-	 */
-	function loadTiles$2(which, url, projection, margin) {
-	  const tiles = tiler$6.margin(margin).getTiles(projection);
-
-	  // abort inflight requests that are no longer needed
-	  const cache = _ssCache[which];
-	  Object.keys(cache.inflight).forEach(k => {
-	    const wanted = tiles.find(tile => k.indexOf(tile.id + ',') === 0);
-	    if (!wanted) {
-	      abortRequest$6(cache.inflight[k]);
-	      delete cache.inflight[k];
-	    }
-	  });
-
-	  tiles.forEach(tile => loadNextTilePage$2(which, url, tile));
-	}
-
-
-	/**
-	 * loadNextTilePage() load data for the next tile page in line.
-	 */
-	function loadNextTilePage$2(which, url, tile) {
-	  const cache = _ssCache[which];
-	  const nextPage = cache.nextPage[tile.id] || 0;
-	  const id = tile.id + ',' + String(nextPage);
-	  if (cache.loaded[id] || cache.inflight[id]) return;
-
-	  cache.inflight[id] = getBubbles(url, tile, (bubbles) => {
-	    cache.loaded[id] = true;
-	    delete cache.inflight[id];
-	    if (!bubbles) return;
-
-	    // [].shift() removes the first element, some statistics info, not a bubble point
-	    bubbles.shift();
-
-	    const features = bubbles.map(bubble => {
-	      if (cache.points[bubble.id]) return null;  // skip duplicates
-
-	      const loc = [bubble.lo, bubble.la];
-	      const d = {
-	        loc: loc,
-	        key: bubble.id,
-	        ca: bubble.he,
-	        captured_at: bubble.cd,
-	        captured_by: 'microsoft',
-	        // nbn: bubble.nbn,
-	        // pbn: bubble.pbn,
-	        // ad: bubble.ad,
-	        // rn: bubble.rn,
-	        pr: bubble.pr,  // previous
-	        ne: bubble.ne,  // next
-	        pano: true,
-	        sequenceKey: null
-	      };
-
-	      cache.points[bubble.id] = d;
-
-	      // a sequence starts here
-	      if (bubble.pr === undefined) {
-	        cache.leaders.push(bubble.id);
-	      }
-
-	      return {
-	        minX: loc[0], minY: loc[1], maxX: loc[0], maxY: loc[1], data: d
-	      };
-
-	    }).filter(Boolean);
-
-	    cache.rtree.load(features);
-
-	    connectSequences();
-
-	    if (which === 'bubbles') {
-	      dispatch$7.call('loadedBubbles');
-	    }
-	  });
-	}
-
-
-	// call this sometimes to connect the bubbles into sequences
-	function connectSequences() {
-	  let cache = _ssCache.bubbles;
-	  let keepLeaders = [];
-
-	  for (let i = 0; i < cache.leaders.length; i++) {
-	    let bubble = cache.points[cache.leaders[i]];
-	    let seen = {};
-
-	    // try to make a sequence.. use the key of the leader bubble.
-	    let sequence = { key: bubble.key, bubbles: [] };
-	    let complete = false;
-
-	    do {
-	      sequence.bubbles.push(bubble);
-	      seen[bubble.key] = true;
-
-	      if (bubble.ne === undefined) {
-	        complete = true;
-	      } else {
-	        bubble = cache.points[bubble.ne];  // advance to next
-	      }
-	    } while (bubble && !seen[bubble.key] && !complete);
-
-
-	    if (complete) {
-	      _ssCache.sequences[sequence.key] = sequence;
-
-	      // assign bubbles to the sequence
-	      for (let j = 0; j < sequence.bubbles.length; j++) {
-	        sequence.bubbles[j].sequenceKey = sequence.key;
-	      }
-
-	      // create a GeoJSON LineString
-	      sequence.geojson = {
-	        type: 'LineString',
-	        properties: { key: sequence.key },
-	        coordinates: sequence.bubbles.map(d => d.loc)
-	      };
-
-	    } else {
-	      keepLeaders.push(cache.leaders[i]);
-	    }
-	  }
-
-	  // couldn't complete these, save for later
-	  cache.leaders = keepLeaders;
-	}
-
-
-	/**
-	 * getBubbles() handles the request to the server for a tile extent of 'bubbles' (streetside image locations).
-	 */
-	function getBubbles(url, tile, callback) {
-	  let rect = tile.extent.rectangle();
-	  let urlForRequest = url + utilQsString({
-	    n: rect[3],
-	    s: rect[1],
-	    e: rect[2],
-	    w: rect[0],
-	    c: maxResults$2,
-	    appkey: bubbleAppKey,
-	    jsCallback: '{callback}'
-	  });
-
-	  return jsonpRequest(urlForRequest, (data) => {
-	    if (!data || data.error) {
-	      callback(null);
-	    } else {
-	      callback(data);
-	    }
-	  });
-	}
-
-
-	// partition viewport into higher zoom tiles
-	function partitionViewport$2(projection) {
-	  let z = geoScaleToZoom(projection.scale());
-	  let z2 = (Math.ceil(z * 2) / 2) + 2.5;   // round to next 0.5 and add 2.5
-	  let tiler = utilTiler().zoomExtent([z2, z2]);
-
-	  return tiler.getTiles(projection)
-	    .map(tile => tile.extent);
-	}
-
-
-	// no more than `limit` results per partition.
-	function searchLimited$2(limit, projection, rtree) {
-	  limit = limit || 5;
-
-	  return partitionViewport$2(projection)
-	    .reduce((result, extent) => {
-	      let found = rtree.search(extent.bbox())
-	        .slice(0, limit)
-	        .map(d => d.data);
-
-	      return (found.length ? result.concat(found) : result);
-	    }, []);
-	}
-
-
-	/**
-	 * loadImage()
-	 */
-	function loadImage(imgInfo) {
-	  return new Promise(resolve => {
-	    let img = new Image();
-	    img.onload = () => {
-	      let canvas = document.getElementById('ideditor-canvas' + imgInfo.face);
-	      let ctx = canvas.getContext('2d');
-	      ctx.drawImage(img, imgInfo.x, imgInfo.y);
-	      resolve({ imgInfo: imgInfo, status: 'ok' });
-	    };
-	    img.onerror = () => {
-	      resolve({ data: imgInfo, status: 'error' });
-	    };
-	    img.setAttribute('crossorigin', '');
-	    img.src = imgInfo.url;
-	  });
-	}
-
-
-	/**
-	 * loadCanvas()
-	 */
-	function loadCanvas(imageGroup) {
-	  return Promise.all(imageGroup.map(loadImage))
-	    .then((data) => {
-	      let canvas = document.getElementById('ideditor-canvas' + data[0].imgInfo.face);
-	      const which = { '01': 0, '02': 1, '03': 2, '10': 3, '11': 4, '12': 5 };
-	      let face = data[0].imgInfo.face;
-	      _dataUrlArray[which[face]] = canvas.toDataURL('image/jpeg', 1.0);
-	      return { status: 'loadCanvas for face ' + data[0].imgInfo.face + 'ok'};
-	    });
-	}
-
-
-	/**
-	 * loadFaces()
-	 */
-	function loadFaces(faceGroup) {
-	  return Promise.all(faceGroup.map(loadCanvas))
-	    .then(() => { return { status: 'loadFaces done' }; });
-	}
-
-
-	function setupCanvas(selection, reset) {
-	  if (reset) {
-	    selection.selectAll('#ideditor-stitcher-canvases')
-	      .remove();
-	  }
-
-	  // Add the Streetside working canvases. These are used for 'stitching', or combining,
-	  // multiple images for each of the six faces, before passing to the Pannellum control as DataUrls
-	  selection.selectAll('#ideditor-stitcher-canvases')
-	    .data([0])
-	    .enter()
-	    .append('div')
-	    .attr('id', 'ideditor-stitcher-canvases')
-	    .attr('display', 'none')
-	    .selectAll('canvas')
-	    .data(['canvas01', 'canvas02', 'canvas03', 'canvas10', 'canvas11', 'canvas12'])
-	    .enter()
-	    .append('canvas')
-	    .attr('id', d => 'ideditor-' + d)
-	    .attr('width', _resolution)
-	    .attr('height', _resolution);
-	}
-
-
-	function qkToXY(qk) {
-	  let x = 0;
-	  let y = 0;
-	  let scale = 256;
-	  for (let i = qk.length; i > 0; i--) {
-	    const key = qk[i-1];
-	    x += (+(key === '1' || key === '3')) * scale;
-	    y += (+(key === '2' || key === '3')) * scale;
-	    scale *= 2;
-	  }
-	  return [x, y];
-	}
-
-
-	function getQuadKeys() {
-	  let dim = _resolution / 256;
-	  let quadKeys;
-
-	  if (dim === 16) {
-	    quadKeys = [
-	      '0000','0001','0010','0011','0100','0101','0110','0111',  '1000','1001','1010','1011','1100','1101','1110','1111',
-	      '0002','0003','0012','0013','0102','0103','0112','0113',  '1002','1003','1012','1013','1102','1103','1112','1113',
-	      '0020','0021','0030','0031','0120','0121','0130','0131',  '1020','1021','1030','1031','1120','1121','1130','1131',
-	      '0022','0023','0032','0033','0122','0123','0132','0133',  '1022','1023','1032','1033','1122','1123','1132','1133',
-	      '0200','0201','0210','0211','0300','0301','0310','0311',  '1200','1201','1210','1211','1300','1301','1310','1311',
-	      '0202','0203','0212','0213','0302','0303','0312','0313',  '1202','1203','1212','1213','1302','1303','1312','1313',
-	      '0220','0221','0230','0231','0320','0321','0330','0331',  '1220','1221','1230','1231','1320','1321','1330','1331',
-	      '0222','0223','0232','0233','0322','0323','0332','0333',  '1222','1223','1232','1233','1322','1323','1332','1333',
-
-	      '2000','2001','2010','2011','2100','2101','2110','2111',  '3000','3001','3010','3011','3100','3101','3110','3111',
-	      '2002','2003','2012','2013','2102','2103','2112','2113',  '3002','3003','3012','3013','3102','3103','3112','3113',
-	      '2020','2021','2030','2031','2120','2121','2130','2131',  '3020','3021','3030','3031','3120','3121','3130','3131',
-	      '2022','2023','2032','2033','2122','2123','2132','2133',  '3022','3023','3032','3033','3122','3123','3132','3133',
-	      '2200','2201','2210','2211','2300','2301','2310','2311',  '3200','3201','3210','3211','3300','3301','3310','3311',
-	      '2202','2203','2212','2213','2302','2303','2312','2313',  '3202','3203','3212','3213','3302','3303','3312','3313',
-	      '2220','2221','2230','2231','2320','2321','2330','2331',  '3220','3221','3230','3231','3320','3321','3330','3331',
-	      '2222','2223','2232','2233','2322','2323','2332','2333',  '3222','3223','3232','3233','3322','3323','3332','3333'
-	    ];
-
-	  } else if (dim === 8) {
-	    quadKeys = [
-	      '000','001','010','011',  '100','101','110','111',
-	      '002','003','012','013',  '102','103','112','113',
-	      '020','021','030','031',  '120','121','130','131',
-	      '022','023','032','033',  '122','123','132','133',
-
-	      '200','201','210','211',  '300','301','310','311',
-	      '202','203','212','213',  '302','303','312','313',
-	      '220','221','230','231',  '320','321','330','331',
-	      '222','223','232','233',  '322','323','332','333'
-	    ];
-
-	  } else if (dim === 4) {
-	    quadKeys = [
-	      '00','01',  '10','11',
-	      '02','03',  '12','13',
-
-	      '20','21',  '30','31',
-	      '22','23',  '32','33'
-	    ];
-
-	  } else {  // dim === 2
-	    quadKeys = [
-	      '0', '1',
-	      '2', '3'
-	    ];
-	  }
-
-	  return quadKeys;
-	}
-
-
-
-	var serviceStreetside = {
-	  /**
-	   * init() initialize streetside.
-	   */
-	  init: function() {
-	    if (!_ssCache) {
-	      this.reset();
-	    }
-
-	    this.event = utilRebind(this, dispatch$7, 'on');
-	  },
-
-	  /**
-	   * reset() reset the cache.
-	   */
-	  reset: function() {
-	    if (_ssCache) {
-	      Object.values(_ssCache.bubbles.inflight).forEach(abortRequest$6);
-	    }
-
-	    _ssCache = {
-	      bubbles: { inflight: {}, loaded: {}, nextPage: {}, rtree: new RBush(), points: {}, leaders: [] },
-	      sequences: {}
-	    };
-	  },
-
-	  /**
-	   * bubbles()
-	   */
-	  bubbles: function(projection) {
-	    const limit = 5;
-	    return searchLimited$2(limit, projection, _ssCache.bubbles.rtree);
-	  },
-
-
-	  sequences: function(projection) {
-	    const viewport = projection.clipExtent();
-	    const min = [viewport[0][0], viewport[1][1]];
-	    const max = [viewport[1][0], viewport[0][1]];
-	    const bbox = geoExtent(projection.invert(min), projection.invert(max)).bbox();
-	    let seen = {};
-	    let results = [];
-
-	    // all sequences for bubbles in viewport
-	    _ssCache.bubbles.rtree.search(bbox)
-	      .forEach(d => {
-	        const key = d.data.sequenceKey;
-	        if (key && !seen[key]) {
-	            seen[key] = true;
-	            results.push(_ssCache.sequences[key].geojson);
-	        }
-	      });
-
-	    return results;
-	  },
-
-
-	  /**
-	   * loadBubbles()
-	   */
-	  loadBubbles: function(projection, margin) {
-	    // by default: request 2 nearby tiles so we can connect sequences.
-	    if (margin === undefined) margin = 2;
-
-	    loadTiles$2('bubbles', bubbleApi, projection, margin);
-	  },
-
-
-	  viewer: function() {
-	    return _pannellumViewer;
-	  },
-
-
-	  initViewer: function () {
-	    if (!window.pannellum) return;
-	    if (_pannellumViewer) return;
-
-	    const sceneID = ++_currScene + '';
-	    const options = {
-	      'default': { firstScene: sceneID },
-	      scenes: {}
-	    };
-	    options.scenes[sceneID] = _sceneOptions;
-
-	    _pannellumViewer = window.pannellum.viewer('ideditor-viewer-streetside', options);
-	  },
-
-
-	  /**
-	   * loadViewer() create the streeside viewer.
-	   */
-	  loadViewer: function(context) {
-	    let that = this;
-
-	    let pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-	    // create ms-wrapper, a photo wrapper class
-	    let wrap = context.container().select('.photoviewer').selectAll('.ms-wrapper')
-	      .data([0]);
-
-	    // inject ms-wrapper into the photoviewer div
-	    // (used by all to house each custom photo viewer)
-	    let wrapEnter = wrap.enter()
-	      .append('div')
-	      .attr('class', 'photo-wrapper ms-wrapper')
-	      .classed('hide', true);
-
-	    // inject div to support streetside viewer (pannellum) and attribution line
-	    wrapEnter
-	      .append('div')
-	      .attr('id', 'ideditor-viewer-streetside')
-	      .on(pointerPrefix + 'down.streetside', () => {
-	        select(window)
-	          .on(pointerPrefix + 'move.streetside', () => {
-	            dispatch$7.call('viewerChanged');
-	          }, true);
-	      })
-	      .on(pointerPrefix + 'up.streetside pointercancel.streetside', () => {
-	        select(window)
-	          .on(pointerPrefix + 'move.streetside', null);
-
-	        // continue dispatching events for a few seconds, in case viewer has inertia.
-	        let t = timer(elapsed => {
-	          dispatch$7.call('viewerChanged');
-	          if (elapsed > 2000) {
-	            t.stop();
-	          }
-	        });
-	      })
-	      .append('div')
-	      .attr('class', 'photo-attribution fillD');
-
-	    let controlsEnter = wrapEnter
-	      .append('div')
-	      .attr('class', 'photo-controls-wrap')
-	      .append('div')
-	      .attr('class', 'photo-controls');
-
-	    controlsEnter
-	      .append('button')
-	      .on('click.back', step(-1))
-	      .text('◄');
-
-	    controlsEnter
-	      .append('button')
-	      .on('click.forward', step(1))
-	      .text('►');
-
-
-	    // create working canvas for stitching together images
-	    wrap = wrap
-	      .merge(wrapEnter)
-	      .call(setupCanvas, true);
-
-	    // load streetside pannellum viewer css
-	    select('head').selectAll('#ideditor-streetside-viewercss')
-	      .data([0])
-	      .enter()
-	      .append('link')
-	      .attr('id', 'ideditor-streetside-viewercss')
-	      .attr('rel', 'stylesheet')
-	      .attr('href', context.asset(pannellumViewerCSS));
-
-	    // load streetside pannellum viewer js
-	    select('head').selectAll('#ideditor-streetside-viewerjs')
-	      .data([0])
-	      .enter()
-	      .append('script')
-	      .attr('id', 'ideditor-streetside-viewerjs')
-	      .attr('src', context.asset(pannellumViewerJS));
-
-
-	    // Register viewer resize handler
-	    context.ui().photoviewer.on('resize.streetside', () => {
-	      if (_pannellumViewer) {
-	        _pannellumViewer.resize();
-	      }
-	    });
-
-
-	    function step(stepBy) {
-	      return () => {
-	        let viewer = context.container().select('.photoviewer');
-	        let selected = viewer.empty() ? undefined : viewer.datum();
-	        if (!selected) return;
-
-	        let nextID = (stepBy === 1 ? selected.ne : selected.pr);
-	        let yaw = _pannellumViewer.getYaw();
-	        let ca = selected.ca + yaw;
-	        let origin = selected.loc;
-
-	        // construct a search trapezoid pointing out from current bubble
-	        const meters = 35;
-	        let p1 = [
-	          origin[0] + geoMetersToLon(meters / 5, origin[1]),
-	          origin[1]
-	        ];
-	        let p2 = [
-	          origin[0] + geoMetersToLon(meters / 2, origin[1]),
-	          origin[1] + geoMetersToLat(meters)
-	        ];
-	        let p3 = [
-	          origin[0] - geoMetersToLon(meters / 2, origin[1]),
-	          origin[1] + geoMetersToLat(meters)
-	        ];
-	        let p4 = [
-	          origin[0] - geoMetersToLon(meters / 5, origin[1]),
-	          origin[1]
-	        ];
-
-	        let poly = [p1, p2, p3, p4, p1];
-
-	        // rotate it to face forward/backward
-	        let angle = (stepBy === 1 ? ca : ca + 180) * (Math.PI / 180);
-	        poly = geoRotate(poly, -angle, origin);
-
-	        let extent = poly.reduce((extent, point) => {
-	          return extent.extend(geoExtent(point));
-	        }, geoExtent());
-
-	        // find nearest other bubble in the search polygon
-	        let minDist = Infinity;
-	        _ssCache.bubbles.rtree.search(extent.bbox())
-	          .forEach(d => {
-	            if (d.data.key === selected.key) return;
-	            if (!geoPointInPolygon(d.data.loc, poly)) return;
-
-	            let dist = geoVecLength(d.data.loc, selected.loc);
-	            let theta = selected.ca - d.data.ca;
-	            let minTheta = Math.min(Math.abs(theta), 360 - Math.abs(theta));
-	            if (minTheta > 20) {
-	              dist += 5;  // penalize distance if camera angles don't match
-	            }
-
-	            if (dist < minDist) {
-	              nextID = d.data.key;
-	              minDist = dist;
-	            }
-	          });
-
-	        let nextBubble = nextID && _ssCache.bubbles.points[nextID];
-	        if (!nextBubble) return;
-
-	        context.map().centerEase(nextBubble.loc);
-
-	        that.selectImage(context, nextBubble)
-	          .then(response => {
-	            if (response.status === 'ok') {
-	              _sceneOptions.yaw = yaw;
-	              that.showViewer(context);
-	            }
-	          });
-	      };
-	    }
-	  },
-
-
-	  /**
-	   * showViewer()
-	   */
-	  showViewer: function(context, yaw) {
-	    if (!_sceneOptions) return;
-
-	    if (yaw !== undefined) {
-	      _sceneOptions.yaw = yaw;
-	    }
-
-	    if (!_pannellumViewer) {
-	      this.initViewer();
-	    } else {
-	      // make a new scene
-	      let sceneID = ++_currScene + '';
-	      _pannellumViewer
-	        .addScene(sceneID, _sceneOptions)
-	        .loadScene(sceneID);
-
-	      // remove previous scene
-	      if (_currScene > 2) {
-	        sceneID = (_currScene - 1) + '';
-	        _pannellumViewer
-	          .removeScene(sceneID);
-	      }
-	    }
-
-	    let wrap = context.container().select('.photoviewer')
-	      .classed('hide', false);
-
-	    let isHidden = wrap.selectAll('.photo-wrapper.ms-wrapper.hide').size();
-
-	    if (isHidden) {
-	      wrap
-	        .selectAll('.photo-wrapper:not(.ms-wrapper)')
-	        .classed('hide', true);
-
-	      wrap
-	        .selectAll('.photo-wrapper.ms-wrapper')
-	        .classed('hide', false);
-	    }
-
-	    return this;
-	  },
-
-
-	  /**
-	   * hideViewer()
-	   */
-	  hideViewer: function (context) {
-	    let viewer = context.container().select('.photoviewer');
-	    if (!viewer.empty()) viewer.datum(null);
-
-	    viewer
-	      .classed('hide', true)
-	      .selectAll('.photo-wrapper')
-	      .classed('hide', true);
-
-	    context.container().selectAll('.viewfield-group, .sequence, .icon-sign')
-	      .classed('currentView', false);
-
-	    return this.setStyles(context, null, true);
-	  },
-
-
-	  /**
-	   * selectImage().
-	   */
-	  selectImage: function (context, d) {
-	    let that = this;
-	    let viewer = context.container().select('.photoviewer');
-	    if (!viewer.empty()) viewer.datum(d);
-
-	    this.setStyles(context, null, true);
-
-	    let wrap = context.container().select('.photoviewer .ms-wrapper');
-	    let attribution = wrap.selectAll('.photo-attribution').html('');
-
-	    wrap.selectAll('.pnlm-load-box')   // display "loading.."
-	      .style('display', 'block');
-
-	    if (!d) {
-	      return Promise.resolve({ status: 'ok' });
-	    }
-
-	    let line1 = attribution
-	      .append('div')
-	      .attr('class', 'attribution-row');
-
-	    const hiresDomId = utilUniqueDomId('streetside-hires');
-
-	    // Add hires checkbox
-	    let label = line1
-	      .append('label')
-	      .attr('for', hiresDomId)
-	      .attr('class', 'streetside-hires');
-
-	    label
-	      .append('input')
-	      .attr('type', 'checkbox')
-	      .attr('id', hiresDomId)
-	      .property('checked', _hires)
-	      .on('click', () => {
-	        event.stopPropagation();
-
-	        _hires = !_hires;
-	        _resolution = _hires ? 1024 : 512;
-	        wrap.call(setupCanvas, true);
-
-	        let viewstate = {
-	          yaw: _pannellumViewer.getYaw(),
-	          pitch: _pannellumViewer.getPitch(),
-	          hfov: _pannellumViewer.getHfov()
-	        };
-
-	        that.selectImage(context, d)
-	          .then(response => {
-	            if (response.status === 'ok') {
-	              _sceneOptions = Object.assign(_sceneOptions, viewstate);
-	              that.showViewer(context);
-	            }
-	          });
-	      });
-
-	    label
-	      .append('span')
-	      .text(_t('streetside.hires'));
-
-
-	    let captureInfo = line1
-	      .append('div')
-	      .attr('class', 'attribution-capture-info');
-
-	    // Add capture date
-	    if (d.captured_by) {
-	      const yyyy = (new Date()).getFullYear();
-
-	      captureInfo
-	        .append('a')
-	        .attr('class', 'captured_by')
-	        .attr('target', '_blank')
-	        .attr('href', 'https://www.microsoft.com/en-us/maps/streetside')
-	        .text('©' + yyyy + ' Microsoft');
-
-	      captureInfo
-	        .append('span')
-	        .text('|');
-	    }
-
-	    if (d.captured_at) {
-	      captureInfo
-	        .append('span')
-	        .attr('class', 'captured_at')
-	        .text(localeTimestamp(d.captured_at));
-	    }
-
-	    // Add image links
-	    let line2 = attribution
-	      .append('div')
-	      .attr('class', 'attribution-row');
-
-	    line2
-	      .append('a')
-	      .attr('class', 'image-view-link')
-	      .attr('target', '_blank')
-	      .attr('href', 'https://www.bing.com/maps?cp=' + d.loc[1] + '~' + d.loc[0] +
-	        '&lvl=17&dir=' + d.ca + '&style=x&v=2&sV=1')
-	      .text(_t('streetside.view_on_bing'));
-
-	    line2
-	      .append('a')
-	      .attr('class', 'image-report-link')
-	      .attr('target', '_blank')
-	      .attr('href', 'https://www.bing.com/maps/privacyreport/streetsideprivacyreport?bubbleid=' +
-	        encodeURIComponent(d.key) + '&focus=photo&lat=' + d.loc[1] + '&lng=' + d.loc[0] + '&z=17')
-	      .text(_t('streetside.report'));
-
-
-	    let bubbleIdQuadKey = d.key.toString(4);
-	    const paddingNeeded = 16 - bubbleIdQuadKey.length;
-	    for (let i = 0; i < paddingNeeded; i++) {
-	      bubbleIdQuadKey = '0' + bubbleIdQuadKey;
-	    }
-	    const imgUrlPrefix = streetsideImagesApi + 'hs' + bubbleIdQuadKey;
-	    const imgUrlSuffix = '.jpg?g=6338&n=z';
-
-	    // Cubemap face code order matters here: front=01, right=02, back=03, left=10, up=11, down=12
-	    const faceKeys = ['01','02','03','10','11','12'];
-
-	    // Map images to cube faces
-	    let quadKeys = getQuadKeys();
-	    let faces = faceKeys.map((faceKey) => {
-	      return quadKeys.map((quadKey) =>{
-	        const xy = qkToXY(quadKey);
-	        return {
-	          face: faceKey,
-	          url: imgUrlPrefix + faceKey + quadKey + imgUrlSuffix,
-	          x: xy[0],
-	          y: xy[1]
-	        };
-	      });
-	    });
-
-	    return loadFaces(faces)
-	      .then(() => {
-	        _sceneOptions = {
-	          showFullscreenCtrl: false,
-	          autoLoad: true,
-	          compass: true,
-	          northOffset: d.ca,
-	          yaw: 0,
-	          minHfov: minHfov,
-	          maxHfov: maxHfov,
-	          hfov: defaultHfov,
-	          type: 'cubemap',
-	          cubeMap: [
-	            _dataUrlArray[0],
-	            _dataUrlArray[1],
-	            _dataUrlArray[2],
-	            _dataUrlArray[3],
-	            _dataUrlArray[4],
-	            _dataUrlArray[5]
-	          ]
-	        };
-	        return { status: 'ok' };
-	      });
-	  },
-
-
-	  getSequenceKeyForBubble: function(d) {
-	    return d && d.sequenceKey;
-	  },
-
-
-	  // Updates the currently highlighted sequence and selected bubble.
-	  // Reset is only necessary when interacting with the viewport because
-	  // this implicitly changes the currently selected bubble/sequence
-	  setStyles: function (context, hovered, reset) {
-	    if (reset) {  // reset all layers
-	      context.container().selectAll('.viewfield-group')
-	        .classed('highlighted', false)
-	        .classed('hovered', false)
-	        .classed('currentView', false);
-
-	      context.container().selectAll('.sequence')
-	        .classed('highlighted', false)
-	        .classed('currentView', false);
-	    }
-
-	    let hoveredBubbleKey = hovered && hovered.key;
-	    let hoveredSequenceKey = this.getSequenceKeyForBubble(hovered);
-	    let hoveredSequence = hoveredSequenceKey && _ssCache.sequences[hoveredSequenceKey];
-	    let hoveredBubbleKeys =  (hoveredSequence && hoveredSequence.bubbles.map(d => d.key)) || [];
-
-	    let viewer = context.container().select('.photoviewer');
-	    let selected = viewer.empty() ? undefined : viewer.datum();
-	    let selectedBubbleKey = selected && selected.key;
-	    let selectedSequenceKey = this.getSequenceKeyForBubble(selected);
-	    let selectedSequence = selectedSequenceKey && _ssCache.sequences[selectedSequenceKey];
-	    let selectedBubbleKeys = (selectedSequence && selectedSequence.bubbles.map(d => d.key)) || [];
-
-	    // highlight sibling viewfields on either the selected or the hovered sequences
-	    let highlightedBubbleKeys = utilArrayUnion(hoveredBubbleKeys, selectedBubbleKeys);
-
-	    context.container().selectAll('.layer-streetside-images .viewfield-group')
-	      .classed('highlighted', d => highlightedBubbleKeys.indexOf(d.key) !== -1)
-	      .classed('hovered',     d => d.key === hoveredBubbleKey)
-	      .classed('currentView', d => d.key === selectedBubbleKey);
-
-	    context.container().selectAll('.layer-streetside-images .sequence')
-	      .classed('highlighted', d => d.properties.key === hoveredSequenceKey)
-	      .classed('currentView', d => d.properties.key === selectedSequenceKey);
-
-	    // update viewfields if needed
-	    context.container().selectAll('.viewfield-group .viewfield')
-	      .attr('d', viewfieldPath);
-
-	    function viewfieldPath() {
-	      let d = this.parentNode.__data__;
-	      if (d.pano && d.key !== selectedBubbleKey) {
-	        return 'M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0';
-	      } else {
-	        return 'M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z';
-	      }
-	    }
-
-	    return this;
-	  },
-
-
-	  /**
-	   * cache().
-	   */
-	  cache: function () {
-	    return _ssCache;
-	  }
-	};
-
-	var apibase$4 = 'https://taginfo.openstreetmap.org/api/4/';
-	var _inflight$2 = {};
-	var _popularKeys = {};
-	var _taginfoCache = {};
-
-	var tag_sorts = {
-	    point: 'count_nodes',
-	    vertex: 'count_nodes',
-	    area: 'count_ways',
-	    line: 'count_ways'
-	};
-	var tag_sort_members = {
-	    point: 'count_node_members',
-	    vertex: 'count_node_members',
-	    area: 'count_way_members',
-	    line: 'count_way_members',
-	    relation: 'count_relation_members'
-	};
-	var tag_filters = {
-	    point: 'nodes',
-	    vertex: 'nodes',
-	    area: 'ways',
-	    line: 'ways'
-	};
-	var tag_members_fractions = {
-	    point: 'count_node_members_fraction',
-	    vertex: 'count_node_members_fraction',
-	    area: 'count_way_members_fraction',
-	    line: 'count_way_members_fraction',
-	    relation: 'count_relation_members_fraction'
-	};
-
-
-	function sets(params, n, o) {
-	    if (params.geometry && o[params.geometry]) {
-	        params[n] = o[params.geometry];
-	    }
-	    return params;
-	}
-
-
-	function setFilter(params) {
-	    return sets(params, 'filter', tag_filters);
-	}
-
-
-	function setSort(params) {
-	    return sets(params, 'sortname', tag_sorts);
-	}
-
-
-	function setSortMembers(params) {
-	    return sets(params, 'sortname', tag_sort_members);
-	}
-
-
-	function clean(params) {
-	    return utilObjectOmit(params, ['geometry', 'debounce']);
-	}
-
-
-	function filterKeys(type) {
-	    var count_type = type ? 'count_' + type : 'count_all';
-	    return function(d) {
-	        return parseFloat(d[count_type]) > 2500 || d.in_wiki;
-	    };
-	}
-
-
-	function filterMultikeys(prefix) {
-	    return function(d) {
-	        // d.key begins with prefix, and d.key contains no additional ':'s
-	        var re = new RegExp('^' + prefix + '(.*)$');
-	        var matches = d.key.match(re) || [];
-	        return (matches.length === 2 && matches[1].indexOf(':') === -1);
-	    };
-	}
-
-
-	function filterValues(allowUpperCase) {
-	    return function(d) {
-	        if (d.value.match(/[;,]/) !== null) return false;  // exclude some punctuation
-	        if (!allowUpperCase && d.value.match(/[A-Z*]/) !== null) return false;  // exclude uppercase letters
-	        return parseFloat(d.fraction) > 0.0;
-	    };
-	}
-
-
-	function filterRoles(geometry) {
-	    return function(d) {
-	        if (d.role === '') return false; // exclude empty role
-	        if (d.role.match(/[A-Z*;,]/) !== null) return false;  // exclude uppercase letters and some punctuation
-	        return parseFloat(d[tag_members_fractions[geometry]]) > 0.0;
-	    };
-	}
-
-
-	function valKey(d) {
-	    return {
-	        value: d.key,
-	        title: d.key
-	    };
-	}
-
-
-	function valKeyDescription(d) {
-	    var obj = {
-	        value: d.value,
-	        title: d.description || d.value
-	    };
-	    if (d.count) {
-	        obj.count = d.count;
-	    }
-	    return obj;
-	}
-
-
-	function roleKey(d) {
-	    return {
-	        value: d.role,
-	        title: d.role
-	    };
-	}
-
-
-	// sort keys with ':' lower than keys without ':'
-	function sortKeys(a, b) {
-	    return (a.key.indexOf(':') === -1 && b.key.indexOf(':') !== -1) ? -1
-	        : (a.key.indexOf(':') !== -1 && b.key.indexOf(':') === -1) ? 1
-	        : 0;
-	}
-
-
-	var debouncedRequest$1 = debounce(request$1, 300, { leading: false });
-
-	function request$1(url, params, exactMatch, callback, loaded) {
-	    if (_inflight$2[url]) return;
-
-	    if (checkCache(url, params, exactMatch, callback)) return;
-
-	    var controller = new AbortController();
-	    _inflight$2[url] = controller;
-
-	    d3_json(url, { signal: controller.signal })
-	        .then(function(result) {
-	            delete _inflight$2[url];
-	            if (loaded) loaded(null, result);
-	        })
-	        .catch(function(err) {
-	            delete _inflight$2[url];
-	            if (err.name === 'AbortError') return;
-	            if (loaded) loaded(err.message);
-	        });
-	}
-
-
-	function checkCache(url, params, exactMatch, callback) {
-	    var rp = params.rp || 25;
-	    var testQuery = params.query || '';
-	    var testUrl = url;
-
-	    do {
-	        var hit = _taginfoCache[testUrl];
-
-	        // exact match, or shorter match yielding fewer than max results (rp)
-	        if (hit && (url === testUrl || hit.length < rp)) {
-	            callback(null, hit);
-	            return true;
-	        }
-
-	        // don't try to shorten the query
-	        if (exactMatch || !testQuery.length) return false;
-
-	        // do shorten the query to see if we already have a cached result
-	        // that has returned fewer than max results (rp)
-	        testQuery = testQuery.slice(0, -1);
-	        testUrl = url.replace(/&query=(.*?)&/, '&query=' + testQuery + '&');
-	    } while (testQuery.length >= 0);
-
-	    return false;
-	}
-
-
-	var serviceTaginfo = {
-
-	    init: function() {
-	        _inflight$2 = {};
-	        _taginfoCache = {};
-	        _popularKeys = {
-	            // manually exclude some keys – #5377, #7485
-	            postal_code: true,
-	            full_name: true,
-	            loc_name: true,
-	            reg_name: true,
-	            short_name: true,
-	            sorting_name: true,
-	            artist_name: true,
-	            nat_name: true,
-	            long_name: true,
-	            'bridge:name': true
-	        };
-
-	        // Fetch popular keys.  We'll exclude these from `values`
-	        // lookups because they stress taginfo, and they aren't likely
-	        // to yield meaningful autocomplete results.. see #3955
-	        var params = {
-	            rp: 100,
-	            sortname: 'values_all',
-	            sortorder: 'desc',
-	            page: 1,
-	            debounce: false,
-	            lang: _mainLocalizer.languageCode()
-	        };
-	        this.keys(params, function(err, data) {
-	            if (err) return;
-	            data.forEach(function(d) {
-	                if (d.value === 'opening_hours') return;  // exception
-	                _popularKeys[d.value] = true;
-	            });
-	        });
-	    },
-
-
-	    reset: function() {
-	        Object.values(_inflight$2).forEach(function(controller) { controller.abort(); });
-	        _inflight$2 = {};
-	    },
-
-
-	    keys: function(params, callback) {
-	        var doRequest = params.debounce ? debouncedRequest$1 : request$1;
-	        params = clean(setSort(params));
-	        params = Object.assign({
-	            rp: 10,
-	            sortname: 'count_all',
-	            sortorder: 'desc',
-	            page: 1,
-	            lang: _mainLocalizer.languageCode()
-	        }, params);
-
-	        var url = apibase$4 + 'keys/all?' + utilQsString(params);
-	        doRequest(url, params, false, callback, function(err, d) {
-	            if (err) {
-	                callback(err);
-	            } else {
-	                var f = filterKeys(params.filter);
-	                var result = d.data.filter(f).sort(sortKeys).map(valKey);
-	                _taginfoCache[url] = result;
-	                callback(null, result);
-	            }
-	        });
-	    },
-
-
-	    multikeys: function(params, callback) {
-	        var doRequest = params.debounce ? debouncedRequest$1 : request$1;
-	        params = clean(setSort(params));
-	        params = Object.assign({
-	            rp: 25,
-	            sortname: 'count_all',
-	            sortorder: 'desc',
-	            page: 1,
-	            lang: _mainLocalizer.languageCode()
-	        }, params);
-
-	        var prefix = params.query;
-	        var url = apibase$4 + 'keys/all?' + utilQsString(params);
-	        doRequest(url, params, true, callback, function(err, d) {
-	            if (err) {
-	                callback(err);
-	            } else {
-	                var f = filterMultikeys(prefix);
-	                var result = d.data.filter(f).map(valKey);
-	                _taginfoCache[url] = result;
-	                callback(null, result);
-	            }
-	        });
-	    },
-
-
-	    values: function(params, callback) {
-	        // Exclude popular keys from values lookups.. see #3955
-	        var key = params.key;
-	        if (key && _popularKeys[key]) {
-	            callback(null, []);
-	            return;
-	        }
-
-	        var doRequest = params.debounce ? debouncedRequest$1 : request$1;
-	        params = clean(setSort(setFilter(params)));
-	        params = Object.assign({
-	            rp: 25,
-	            sortname: 'count_all',
-	            sortorder: 'desc',
-	            page: 1,
-	            lang: _mainLocalizer.languageCode()
-	        }, params);
-
-	        var url = apibase$4 + 'key/values?' + utilQsString(params);
-	        doRequest(url, params, false, callback, function(err, d) {
-	            if (err) {
-	                callback(err);
-	            } else {
-	                // In most cases we prefer taginfo value results with lowercase letters.
-	                // A few OSM keys expect values to contain uppercase values (see #3377).
-	                // This is not an exhaustive list (e.g. `name` also has uppercase values)
-	                // but these are the fields where taginfo value lookup is most useful.
-	                var re = /network|taxon|genus|species|brand|grape_variety|royal_cypher|listed_status|booth|rating|stars|:output|_hours|_times|_ref|manufacturer|country|target|brewery/;
-	                var allowUpperCase = re.test(params.key);
-	                var f = filterValues(allowUpperCase);
-
-	                var result = d.data.filter(f).map(valKeyDescription);
-	                _taginfoCache[url] = result;
-	                callback(null, result);
-	            }
-	        });
-	    },
-
-
-	    roles: function(params, callback) {
-	        var doRequest = params.debounce ? debouncedRequest$1 : request$1;
-	        var geometry = params.geometry;
-	        params = clean(setSortMembers(params));
-	        params = Object.assign({
-	            rp: 25,
-	            sortname: 'count_all_members',
-	            sortorder: 'desc',
-	            page: 1,
-	            lang: _mainLocalizer.languageCode()
-	        }, params);
-
-	        var url = apibase$4 + 'relation/roles?' + utilQsString(params);
-	        doRequest(url, params, true, callback, function(err, d) {
-	            if (err) {
-	                callback(err);
-	            } else {
-	                var f = filterRoles(geometry);
-	                var result = d.data.filter(f).map(roleKey);
-	                _taginfoCache[url] = result;
-	                callback(null, result);
-	            }
-	        });
-	    },
-
-
-	    docs: function(params, callback) {
-	        var doRequest = params.debounce ? debouncedRequest$1 : request$1;
-	        params = clean(setSort(params));
-
-	        var path = 'key/wiki_pages?';
-	        if (params.value) {
-	            path = 'tag/wiki_pages?';
-	        } else if (params.rtype) {
-	            path = 'relation/wiki_pages?';
-	        }
-
-	        var url = apibase$4 + path + utilQsString(params);
-	        doRequest(url, params, true, callback, function(err, d) {
-	            if (err) {
-	                callback(err);
-	            } else {
-	                _taginfoCache[url] = d.data;
-	                callback(null, d.data);
-	            }
-	        });
-	    },
-
-
-	    apibase: function(_) {
-	        if (!arguments.length) return apibase$4;
-	        apibase$4 = _;
-	        return this;
-	    }
-
-	};
-
-	var helpers$1 = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-	/**
-	 * @module helpers
-	 */
-	/**
-	 * Earth Radius used with the Harvesine formula and approximates using a spherical (non-ellipsoid) Earth.
-	 *
-	 * @memberof helpers
-	 * @type {number}
-	 */
-	exports.earthRadius = 6371008.8;
-	/**
-	 * Unit of measurement factors using a spherical (non-ellipsoid) earth radius.
-	 *
-	 * @memberof helpers
-	 * @type {Object}
-	 */
-	exports.factors = {
-	    centimeters: exports.earthRadius * 100,
-	    centimetres: exports.earthRadius * 100,
-	    degrees: exports.earthRadius / 111325,
-	    feet: exports.earthRadius * 3.28084,
-	    inches: exports.earthRadius * 39.370,
-	    kilometers: exports.earthRadius / 1000,
-	    kilometres: exports.earthRadius / 1000,
-	    meters: exports.earthRadius,
-	    metres: exports.earthRadius,
-	    miles: exports.earthRadius / 1609.344,
-	    millimeters: exports.earthRadius * 1000,
-	    millimetres: exports.earthRadius * 1000,
-	    nauticalmiles: exports.earthRadius / 1852,
-	    radians: 1,
-	    yards: exports.earthRadius / 1.0936,
-	};
-	/**
-	 * Units of measurement factors based on 1 meter.
-	 *
-	 * @memberof helpers
-	 * @type {Object}
-	 */
-	exports.unitsFactors = {
-	    centimeters: 100,
-	    centimetres: 100,
-	    degrees: 1 / 111325,
-	    feet: 3.28084,
-	    inches: 39.370,
-	    kilometers: 1 / 1000,
-	    kilometres: 1 / 1000,
-	    meters: 1,
-	    metres: 1,
-	    miles: 1 / 1609.344,
-	    millimeters: 1000,
-	    millimetres: 1000,
-	    nauticalmiles: 1 / 1852,
-	    radians: 1 / exports.earthRadius,
-	    yards: 1 / 1.0936,
-	};
-	/**
-	 * Area of measurement factors based on 1 square meter.
-	 *
-	 * @memberof helpers
-	 * @type {Object}
-	 */
-	exports.areaFactors = {
-	    acres: 0.000247105,
-	    centimeters: 10000,
-	    centimetres: 10000,
-	    feet: 10.763910417,
-	    inches: 1550.003100006,
-	    kilometers: 0.000001,
-	    kilometres: 0.000001,
-	    meters: 1,
-	    metres: 1,
-	    miles: 3.86e-7,
-	    millimeters: 1000000,
-	    millimetres: 1000000,
-	    yards: 1.195990046,
-	};
-	/**
-	 * Wraps a GeoJSON {@link Geometry} in a GeoJSON {@link Feature}.
-	 *
-	 * @name feature
-	 * @param {Geometry} geometry input geometry
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature} a GeoJSON Feature
-	 * @example
-	 * var geometry = {
-	 *   "type": "Point",
-	 *   "coordinates": [110, 50]
-	 * };
-	 *
-	 * var feature = turf.feature(geometry);
-	 *
-	 * //=feature
-	 */
-	function feature(geom, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    var feat = { type: "Feature" };
-	    if (options.id === 0 || options.id) {
-	        feat.id = options.id;
-	    }
-	    if (options.bbox) {
-	        feat.bbox = options.bbox;
-	    }
-	    feat.properties = properties || {};
-	    feat.geometry = geom;
-	    return feat;
-	}
-	exports.feature = feature;
-	/**
-	 * Creates a GeoJSON {@link Geometry} from a Geometry string type & coordinates.
-	 * For GeometryCollection type use `helpers.geometryCollection`
-	 *
-	 * @name geometry
-	 * @param {string} type Geometry Type
-	 * @param {Array<any>} coordinates Coordinates
-	 * @param {Object} [options={}] Optional Parameters
-	 * @returns {Geometry} a GeoJSON Geometry
-	 * @example
-	 * var type = "Point";
-	 * var coordinates = [110, 50];
-	 * var geometry = turf.geometry(type, coordinates);
-	 * // => geometry
-	 */
-	function geometry(type, coordinates, options) {
-	    switch (type) {
-	        case "Point": return point(coordinates).geometry;
-	        case "LineString": return lineString(coordinates).geometry;
-	        case "Polygon": return polygon(coordinates).geometry;
-	        case "MultiPoint": return multiPoint(coordinates).geometry;
-	        case "MultiLineString": return multiLineString(coordinates).geometry;
-	        case "MultiPolygon": return multiPolygon(coordinates).geometry;
-	        default: throw new Error(type + " is invalid");
-	    }
-	}
-	exports.geometry = geometry;
-	/**
-	 * Creates a {@link Point} {@link Feature} from a Position.
-	 *
-	 * @name point
-	 * @param {Array<number>} coordinates longitude, latitude position (each in decimal degrees)
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature<Point>} a Point feature
-	 * @example
-	 * var point = turf.point([-75.343, 39.984]);
-	 *
-	 * //=point
-	 */
-	function point(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    var geom = {
-	        type: "Point",
-	        coordinates: coordinates,
-	    };
-	    return feature(geom, properties, options);
-	}
-	exports.point = point;
-	/**
-	 * Creates a {@link Point} {@link FeatureCollection} from an Array of Point coordinates.
-	 *
-	 * @name points
-	 * @param {Array<Array<number>>} coordinates an array of Points
-	 * @param {Object} [properties={}] Translate these properties to each Feature
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north]
-	 * associated with the FeatureCollection
-	 * @param {string|number} [options.id] Identifier associated with the FeatureCollection
-	 * @returns {FeatureCollection<Point>} Point Feature
-	 * @example
-	 * var points = turf.points([
-	 *   [-75, 39],
-	 *   [-80, 45],
-	 *   [-78, 50]
-	 * ]);
-	 *
-	 * //=points
-	 */
-	function points(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    return featureCollection(coordinates.map(function (coords) {
-	        return point(coords, properties);
-	    }), options);
-	}
-	exports.points = points;
-	/**
-	 * Creates a {@link Polygon} {@link Feature} from an Array of LinearRings.
-	 *
-	 * @name polygon
-	 * @param {Array<Array<Array<number>>>} coordinates an array of LinearRings
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature<Polygon>} Polygon Feature
-	 * @example
-	 * var polygon = turf.polygon([[[-5, 52], [-4, 56], [-2, 51], [-7, 54], [-5, 52]]], { name: 'poly1' });
-	 *
-	 * //=polygon
-	 */
-	function polygon(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    for (var _i = 0, coordinates_1 = coordinates; _i < coordinates_1.length; _i++) {
-	        var ring = coordinates_1[_i];
-	        if (ring.length < 4) {
-	            throw new Error("Each LinearRing of a Polygon must have 4 or more Positions.");
-	        }
-	        for (var j = 0; j < ring[ring.length - 1].length; j++) {
-	            // Check if first point of Polygon contains two numbers
-	            if (ring[ring.length - 1][j] !== ring[0][j]) {
-	                throw new Error("First and last Position are not equivalent.");
-	            }
-	        }
-	    }
-	    var geom = {
-	        type: "Polygon",
-	        coordinates: coordinates,
-	    };
-	    return feature(geom, properties, options);
-	}
-	exports.polygon = polygon;
-	/**
-	 * Creates a {@link Polygon} {@link FeatureCollection} from an Array of Polygon coordinates.
-	 *
-	 * @name polygons
-	 * @param {Array<Array<Array<Array<number>>>>} coordinates an array of Polygon coordinates
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the FeatureCollection
-	 * @returns {FeatureCollection<Polygon>} Polygon FeatureCollection
-	 * @example
-	 * var polygons = turf.polygons([
-	 *   [[[-5, 52], [-4, 56], [-2, 51], [-7, 54], [-5, 52]]],
-	 *   [[[-15, 42], [-14, 46], [-12, 41], [-17, 44], [-15, 42]]],
-	 * ]);
-	 *
-	 * //=polygons
-	 */
-	function polygons(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    return featureCollection(coordinates.map(function (coords) {
-	        return polygon(coords, properties);
-	    }), options);
-	}
-	exports.polygons = polygons;
-	/**
-	 * Creates a {@link LineString} {@link Feature} from an Array of Positions.
-	 *
-	 * @name lineString
-	 * @param {Array<Array<number>>} coordinates an array of Positions
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature<LineString>} LineString Feature
-	 * @example
-	 * var linestring1 = turf.lineString([[-24, 63], [-23, 60], [-25, 65], [-20, 69]], {name: 'line 1'});
-	 * var linestring2 = turf.lineString([[-14, 43], [-13, 40], [-15, 45], [-10, 49]], {name: 'line 2'});
-	 *
-	 * //=linestring1
-	 * //=linestring2
-	 */
-	function lineString(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    if (coordinates.length < 2) {
-	        throw new Error("coordinates must be an array of two or more positions");
-	    }
-	    var geom = {
-	        type: "LineString",
-	        coordinates: coordinates,
-	    };
-	    return feature(geom, properties, options);
-	}
-	exports.lineString = lineString;
-	/**
-	 * Creates a {@link LineString} {@link FeatureCollection} from an Array of LineString coordinates.
-	 *
-	 * @name lineStrings
-	 * @param {Array<Array<Array<number>>>} coordinates an array of LinearRings
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north]
-	 * associated with the FeatureCollection
-	 * @param {string|number} [options.id] Identifier associated with the FeatureCollection
-	 * @returns {FeatureCollection<LineString>} LineString FeatureCollection
-	 * @example
-	 * var linestrings = turf.lineStrings([
-	 *   [[-24, 63], [-23, 60], [-25, 65], [-20, 69]],
-	 *   [[-14, 43], [-13, 40], [-15, 45], [-10, 49]]
-	 * ]);
-	 *
-	 * //=linestrings
-	 */
-	function lineStrings(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    return featureCollection(coordinates.map(function (coords) {
-	        return lineString(coords, properties);
-	    }), options);
-	}
-	exports.lineStrings = lineStrings;
-	/**
-	 * Takes one or more {@link Feature|Features} and creates a {@link FeatureCollection}.
-	 *
-	 * @name featureCollection
-	 * @param {Feature[]} features input features
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {FeatureCollection} FeatureCollection of Features
-	 * @example
-	 * var locationA = turf.point([-75.343, 39.984], {name: 'Location A'});
-	 * var locationB = turf.point([-75.833, 39.284], {name: 'Location B'});
-	 * var locationC = turf.point([-75.534, 39.123], {name: 'Location C'});
-	 *
-	 * var collection = turf.featureCollection([
-	 *   locationA,
-	 *   locationB,
-	 *   locationC
-	 * ]);
-	 *
-	 * //=collection
-	 */
-	function featureCollection(features, options) {
-	    if (options === void 0) { options = {}; }
-	    var fc = { type: "FeatureCollection" };
-	    if (options.id) {
-	        fc.id = options.id;
-	    }
-	    if (options.bbox) {
-	        fc.bbox = options.bbox;
-	    }
-	    fc.features = features;
-	    return fc;
-	}
-	exports.featureCollection = featureCollection;
-	/**
-	 * Creates a {@link Feature<MultiLineString>} based on a
-	 * coordinate array. Properties can be added optionally.
-	 *
-	 * @name multiLineString
-	 * @param {Array<Array<Array<number>>>} coordinates an array of LineStrings
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature<MultiLineString>} a MultiLineString feature
-	 * @throws {Error} if no coordinates are passed
-	 * @example
-	 * var multiLine = turf.multiLineString([[[0,0],[10,10]]]);
-	 *
-	 * //=multiLine
-	 */
-	function multiLineString(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    var geom = {
-	        type: "MultiLineString",
-	        coordinates: coordinates,
-	    };
-	    return feature(geom, properties, options);
-	}
-	exports.multiLineString = multiLineString;
-	/**
-	 * Creates a {@link Feature<MultiPoint>} based on a
-	 * coordinate array. Properties can be added optionally.
-	 *
-	 * @name multiPoint
-	 * @param {Array<Array<number>>} coordinates an array of Positions
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature<MultiPoint>} a MultiPoint feature
-	 * @throws {Error} if no coordinates are passed
-	 * @example
-	 * var multiPt = turf.multiPoint([[0,0],[10,10]]);
-	 *
-	 * //=multiPt
-	 */
-	function multiPoint(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    var geom = {
-	        type: "MultiPoint",
-	        coordinates: coordinates,
-	    };
-	    return feature(geom, properties, options);
-	}
-	exports.multiPoint = multiPoint;
-	/**
-	 * Creates a {@link Feature<MultiPolygon>} based on a
-	 * coordinate array. Properties can be added optionally.
-	 *
-	 * @name multiPolygon
-	 * @param {Array<Array<Array<Array<number>>>>} coordinates an array of Polygons
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature<MultiPolygon>} a multipolygon feature
-	 * @throws {Error} if no coordinates are passed
-	 * @example
-	 * var multiPoly = turf.multiPolygon([[[[0,0],[0,10],[10,10],[10,0],[0,0]]]]);
-	 *
-	 * //=multiPoly
-	 *
-	 */
-	function multiPolygon(coordinates, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    var geom = {
-	        type: "MultiPolygon",
-	        coordinates: coordinates,
-	    };
-	    return feature(geom, properties, options);
-	}
-	exports.multiPolygon = multiPolygon;
-	/**
-	 * Creates a {@link Feature<GeometryCollection>} based on a
-	 * coordinate array. Properties can be added optionally.
-	 *
-	 * @name geometryCollection
-	 * @param {Array<Geometry>} geometries an array of GeoJSON Geometries
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature<GeometryCollection>} a GeoJSON GeometryCollection Feature
-	 * @example
-	 * var pt = turf.geometry("Point", [100, 0]);
-	 * var line = turf.geometry("LineString", [[101, 0], [102, 1]]);
-	 * var collection = turf.geometryCollection([pt, line]);
-	 *
-	 * // => collection
-	 */
-	function geometryCollection(geometries, properties, options) {
-	    if (options === void 0) { options = {}; }
-	    var geom = {
-	        type: "GeometryCollection",
-	        geometries: geometries,
-	    };
-	    return feature(geom, properties, options);
-	}
-	exports.geometryCollection = geometryCollection;
-	/**
-	 * Round number to precision
-	 *
-	 * @param {number} num Number
-	 * @param {number} [precision=0] Precision
-	 * @returns {number} rounded number
-	 * @example
-	 * turf.round(120.4321)
-	 * //=120
-	 *
-	 * turf.round(120.4321, 2)
-	 * //=120.43
-	 */
-	function round(num, precision) {
-	    if (precision === void 0) { precision = 0; }
-	    if (precision && !(precision >= 0)) {
-	        throw new Error("precision must be a positive number");
-	    }
-	    var multiplier = Math.pow(10, precision || 0);
-	    return Math.round(num * multiplier) / multiplier;
-	}
-	exports.round = round;
-	/**
-	 * Convert a distance measurement (assuming a spherical Earth) from radians to a more friendly unit.
-	 * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet
-	 *
-	 * @name radiansToLength
-	 * @param {number} radians in radians across the sphere
-	 * @param {string} [units="kilometers"] can be degrees, radians, miles, or kilometers inches, yards, metres,
-	 * meters, kilometres, kilometers.
-	 * @returns {number} distance
-	 */
-	function radiansToLength(radians, units) {
-	    if (units === void 0) { units = "kilometers"; }
-	    var factor = exports.factors[units];
-	    if (!factor) {
-	        throw new Error(units + " units is invalid");
-	    }
-	    return radians * factor;
-	}
-	exports.radiansToLength = radiansToLength;
-	/**
-	 * Convert a distance measurement (assuming a spherical Earth) from a real-world unit into radians
-	 * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet
-	 *
-	 * @name lengthToRadians
-	 * @param {number} distance in real units
-	 * @param {string} [units="kilometers"] can be degrees, radians, miles, or kilometers inches, yards, metres,
-	 * meters, kilometres, kilometers.
-	 * @returns {number} radians
-	 */
-	function lengthToRadians(distance, units) {
-	    if (units === void 0) { units = "kilometers"; }
-	    var factor = exports.factors[units];
-	    if (!factor) {
-	        throw new Error(units + " units is invalid");
-	    }
-	    return distance / factor;
-	}
-	exports.lengthToRadians = lengthToRadians;
-	/**
-	 * Convert a distance measurement (assuming a spherical Earth) from a real-world unit into degrees
-	 * Valid units: miles, nauticalmiles, inches, yards, meters, metres, centimeters, kilometres, feet
-	 *
-	 * @name lengthToDegrees
-	 * @param {number} distance in real units
-	 * @param {string} [units="kilometers"] can be degrees, radians, miles, or kilometers inches, yards, metres,
-	 * meters, kilometres, kilometers.
-	 * @returns {number} degrees
-	 */
-	function lengthToDegrees(distance, units) {
-	    return radiansToDegrees(lengthToRadians(distance, units));
-	}
-	exports.lengthToDegrees = lengthToDegrees;
-	/**
-	 * Converts any bearing angle from the north line direction (positive clockwise)
-	 * and returns an angle between 0-360 degrees (positive clockwise), 0 being the north line
-	 *
-	 * @name bearingToAzimuth
-	 * @param {number} bearing angle, between -180 and +180 degrees
-	 * @returns {number} angle between 0 and 360 degrees
-	 */
-	function bearingToAzimuth(bearing) {
-	    var angle = bearing % 360;
-	    if (angle < 0) {
-	        angle += 360;
-	    }
-	    return angle;
-	}
-	exports.bearingToAzimuth = bearingToAzimuth;
-	/**
-	 * Converts an angle in radians to degrees
-	 *
-	 * @name radiansToDegrees
-	 * @param {number} radians angle in radians
-	 * @returns {number} degrees between 0 and 360 degrees
-	 */
-	function radiansToDegrees(radians) {
-	    var degrees = radians % (2 * Math.PI);
-	    return degrees * 180 / Math.PI;
-	}
-	exports.radiansToDegrees = radiansToDegrees;
-	/**
-	 * Converts an angle in degrees to radians
-	 *
-	 * @name degreesToRadians
-	 * @param {number} degrees angle between 0 and 360 degrees
-	 * @returns {number} angle in radians
-	 */
-	function degreesToRadians(degrees) {
-	    var radians = degrees % 360;
-	    return radians * Math.PI / 180;
-	}
-	exports.degreesToRadians = degreesToRadians;
-	/**
-	 * Converts a length to the requested unit.
-	 * Valid units: miles, nauticalmiles, inches, yards, meters, metres, kilometers, centimeters, feet
-	 *
-	 * @param {number} length to be converted
-	 * @param {Units} [originalUnit="kilometers"] of the length
-	 * @param {Units} [finalUnit="kilometers"] returned unit
-	 * @returns {number} the converted length
-	 */
-	function convertLength(length, originalUnit, finalUnit) {
-	    if (originalUnit === void 0) { originalUnit = "kilometers"; }
-	    if (finalUnit === void 0) { finalUnit = "kilometers"; }
-	    if (!(length >= 0)) {
-	        throw new Error("length must be a positive number");
-	    }
-	    return radiansToLength(lengthToRadians(length, originalUnit), finalUnit);
-	}
-	exports.convertLength = convertLength;
-	/**
-	 * Converts a area to the requested unit.
-	 * Valid units: kilometers, kilometres, meters, metres, centimetres, millimeters, acres, miles, yards, feet, inches
-	 * @param {number} area to be converted
-	 * @param {Units} [originalUnit="meters"] of the distance
-	 * @param {Units} [finalUnit="kilometers"] returned unit
-	 * @returns {number} the converted distance
-	 */
-	function convertArea(area, originalUnit, finalUnit) {
-	    if (originalUnit === void 0) { originalUnit = "meters"; }
-	    if (finalUnit === void 0) { finalUnit = "kilometers"; }
-	    if (!(area >= 0)) {
-	        throw new Error("area must be a positive number");
-	    }
-	    var startFactor = exports.areaFactors[originalUnit];
-	    if (!startFactor) {
-	        throw new Error("invalid original units");
-	    }
-	    var finalFactor = exports.areaFactors[finalUnit];
-	    if (!finalFactor) {
-	        throw new Error("invalid final units");
-	    }
-	    return (area / startFactor) * finalFactor;
-	}
-	exports.convertArea = convertArea;
-	/**
-	 * isNumber
-	 *
-	 * @param {*} num Number to validate
-	 * @returns {boolean} true/false
-	 * @example
-	 * turf.isNumber(123)
-	 * //=true
-	 * turf.isNumber('foo')
-	 * //=false
-	 */
-	function isNumber(num) {
-	    return !isNaN(num) && num !== null && !Array.isArray(num) && !/^\s*$/.test(num);
-	}
-	exports.isNumber = isNumber;
-	/**
-	 * isObject
-	 *
-	 * @param {*} input variable to validate
-	 * @returns {boolean} true/false
-	 * @example
-	 * turf.isObject({elevation: 10})
-	 * //=true
-	 * turf.isObject('foo')
-	 * //=false
-	 */
-	function isObject(input) {
-	    return (!!input) && (input.constructor === Object);
-	}
-	exports.isObject = isObject;
-	/**
-	 * Validate BBox
-	 *
-	 * @private
-	 * @param {Array<number>} bbox BBox to validate
-	 * @returns {void}
-	 * @throws Error if BBox is not valid
-	 * @example
-	 * validateBBox([-180, -40, 110, 50])
-	 * //=OK
-	 * validateBBox([-180, -40])
-	 * //=Error
-	 * validateBBox('Foo')
-	 * //=Error
-	 * validateBBox(5)
-	 * //=Error
-	 * validateBBox(null)
-	 * //=Error
-	 * validateBBox(undefined)
-	 * //=Error
-	 */
-	function validateBBox(bbox) {
-	    if (!bbox) {
-	        throw new Error("bbox is required");
-	    }
-	    if (!Array.isArray(bbox)) {
-	        throw new Error("bbox must be an Array");
-	    }
-	    if (bbox.length !== 4 && bbox.length !== 6) {
-	        throw new Error("bbox must be an Array of 4 or 6 numbers");
-	    }
-	    bbox.forEach(function (num) {
-	        if (!isNumber(num)) {
-	            throw new Error("bbox must only contain numbers");
-	        }
-	    });
-	}
-	exports.validateBBox = validateBBox;
-	/**
-	 * Validate Id
-	 *
-	 * @private
-	 * @param {string|number} id Id to validate
-	 * @returns {void}
-	 * @throws Error if Id is not valid
-	 * @example
-	 * validateId([-180, -40, 110, 50])
-	 * //=Error
-	 * validateId([-180, -40])
-	 * //=Error
-	 * validateId('Foo')
-	 * //=OK
-	 * validateId(5)
-	 * //=OK
-	 * validateId(null)
-	 * //=Error
-	 * validateId(undefined)
-	 * //=Error
-	 */
-	function validateId(id) {
-	    if (!id) {
-	        throw new Error("id is required");
-	    }
-	    if (["string", "number"].indexOf(typeof id) === -1) {
-	        throw new Error("id must be a number or a string");
-	    }
-	}
-	exports.validateId = validateId;
-	// Deprecated methods
-	function radians2degrees() {
-	    throw new Error("method has been renamed to `radiansToDegrees`");
-	}
-	exports.radians2degrees = radians2degrees;
-	function degrees2radians() {
-	    throw new Error("method has been renamed to `degreesToRadians`");
-	}
-	exports.degrees2radians = degrees2radians;
-	function distanceToDegrees() {
-	    throw new Error("method has been renamed to `lengthToDegrees`");
-	}
-	exports.distanceToDegrees = distanceToDegrees;
-	function distanceToRadians() {
-	    throw new Error("method has been renamed to `lengthToRadians`");
-	}
-	exports.distanceToRadians = distanceToRadians;
-	function radiansToDistance() {
-	    throw new Error("method has been renamed to `radiansToLength`");
-	}
-	exports.radiansToDistance = radiansToDistance;
-	function bearingToAngle() {
-	    throw new Error("method has been renamed to `bearingToAzimuth`");
-	}
-	exports.bearingToAngle = bearingToAngle;
-	function convertDistance() {
-	    throw new Error("method has been renamed to `convertLength`");
-	}
-	exports.convertDistance = convertDistance;
-	});
-
-	var invariant = createCommonjsModule(function (module, exports) {
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-	/**
-	 * Unwrap a coordinate from a Point Feature, Geometry or a single coordinate.
-	 *
-	 * @name getCoord
-	 * @param {Array<number>|Geometry<Point>|Feature<Point>} coord GeoJSON Point or an Array of numbers
-	 * @returns {Array<number>} coordinates
-	 * @example
-	 * var pt = turf.point([10, 10]);
-	 *
-	 * var coord = turf.getCoord(pt);
-	 * //= [10, 10]
-	 */
-	function getCoord(coord) {
-	    if (!coord) {
-	        throw new Error("coord is required");
-	    }
-	    if (!Array.isArray(coord)) {
-	        if (coord.type === "Feature" && coord.geometry !== null && coord.geometry.type === "Point") {
-	            return coord.geometry.coordinates;
-	        }
-	        if (coord.type === "Point") {
-	            return coord.coordinates;
-	        }
-	    }
-	    if (Array.isArray(coord) && coord.length >= 2 && !Array.isArray(coord[0]) && !Array.isArray(coord[1])) {
-	        return coord;
-	    }
-	    throw new Error("coord must be GeoJSON Point or an Array of numbers");
-	}
-	exports.getCoord = getCoord;
-	/**
-	 * Unwrap coordinates from a Feature, Geometry Object or an Array
-	 *
-	 * @name getCoords
-	 * @param {Array<any>|Geometry|Feature} coords Feature, Geometry Object or an Array
-	 * @returns {Array<any>} coordinates
-	 * @example
-	 * var poly = turf.polygon([[[119.32, -8.7], [119.55, -8.69], [119.51, -8.54], [119.32, -8.7]]]);
-	 *
-	 * var coords = turf.getCoords(poly);
-	 * //= [[[119.32, -8.7], [119.55, -8.69], [119.51, -8.54], [119.32, -8.7]]]
-	 */
-	function getCoords(coords) {
-	    if (Array.isArray(coords)) {
-	        return coords;
-	    }
-	    // Feature
-	    if (coords.type === "Feature") {
-	        if (coords.geometry !== null) {
-	            return coords.geometry.coordinates;
-	        }
-	    }
-	    else {
-	        // Geometry
-	        if (coords.coordinates) {
-	            return coords.coordinates;
-	        }
-	    }
-	    throw new Error("coords must be GeoJSON Feature, Geometry Object or an Array");
-	}
-	exports.getCoords = getCoords;
-	/**
-	 * Checks if coordinates contains a number
-	 *
-	 * @name containsNumber
-	 * @param {Array<any>} coordinates GeoJSON Coordinates
-	 * @returns {boolean} true if Array contains a number
-	 */
-	function containsNumber(coordinates) {
-	    if (coordinates.length > 1 && helpers$1.isNumber(coordinates[0]) && helpers$1.isNumber(coordinates[1])) {
-	        return true;
-	    }
-	    if (Array.isArray(coordinates[0]) && coordinates[0].length) {
-	        return containsNumber(coordinates[0]);
-	    }
-	    throw new Error("coordinates must only contain numbers");
-	}
-	exports.containsNumber = containsNumber;
-	/**
-	 * Enforce expectations about types of GeoJSON objects for Turf.
-	 *
-	 * @name geojsonType
-	 * @param {GeoJSON} value any GeoJSON object
-	 * @param {string} type expected GeoJSON type
-	 * @param {string} name name of calling function
-	 * @throws {Error} if value is not the expected type.
-	 */
-	function geojsonType(value, type, name) {
-	    if (!type || !name) {
-	        throw new Error("type and name required");
-	    }
-	    if (!value || value.type !== type) {
-	        throw new Error("Invalid input to " + name + ": must be a " + type + ", given " + value.type);
-	    }
-	}
-	exports.geojsonType = geojsonType;
-	/**
-	 * Enforce expectations about types of {@link Feature} inputs for Turf.
-	 * Internally this uses {@link geojsonType} to judge geometry types.
-	 *
-	 * @name featureOf
-	 * @param {Feature} feature a feature with an expected geometry type
-	 * @param {string} type expected GeoJSON type
-	 * @param {string} name name of calling function
-	 * @throws {Error} error if value is not the expected type.
-	 */
-	function featureOf(feature, type, name) {
-	    if (!feature) {
-	        throw new Error("No feature passed");
-	    }
-	    if (!name) {
-	        throw new Error(".featureOf() requires a name");
-	    }
-	    if (!feature || feature.type !== "Feature" || !feature.geometry) {
-	        throw new Error("Invalid input to " + name + ", Feature with geometry required");
-	    }
-	    if (!feature.geometry || feature.geometry.type !== type) {
-	        throw new Error("Invalid input to " + name + ": must be a " + type + ", given " + feature.geometry.type);
-	    }
-	}
-	exports.featureOf = featureOf;
-	/**
-	 * Enforce expectations about types of {@link FeatureCollection} inputs for Turf.
-	 * Internally this uses {@link geojsonType} to judge geometry types.
-	 *
-	 * @name collectionOf
-	 * @param {FeatureCollection} featureCollection a FeatureCollection for which features will be judged
-	 * @param {string} type expected GeoJSON type
-	 * @param {string} name name of calling function
-	 * @throws {Error} if value is not the expected type.
-	 */
-	function collectionOf(featureCollection, type, name) {
-	    if (!featureCollection) {
-	        throw new Error("No featureCollection passed");
-	    }
-	    if (!name) {
-	        throw new Error(".collectionOf() requires a name");
-	    }
-	    if (!featureCollection || featureCollection.type !== "FeatureCollection") {
-	        throw new Error("Invalid input to " + name + ", FeatureCollection required");
-	    }
-	    for (var _i = 0, _a = featureCollection.features; _i < _a.length; _i++) {
-	        var feature = _a[_i];
-	        if (!feature || feature.type !== "Feature" || !feature.geometry) {
-	            throw new Error("Invalid input to " + name + ", Feature with geometry required");
-	        }
-	        if (!feature.geometry || feature.geometry.type !== type) {
-	            throw new Error("Invalid input to " + name + ": must be a " + type + ", given " + feature.geometry.type);
-	        }
-	    }
-	}
-	exports.collectionOf = collectionOf;
-	/**
-	 * Get Geometry from Feature or Geometry Object
-	 *
-	 * @param {Feature|Geometry} geojson GeoJSON Feature or Geometry Object
-	 * @returns {Geometry|null} GeoJSON Geometry Object
-	 * @throws {Error} if geojson is not a Feature or Geometry Object
-	 * @example
-	 * var point = {
-	 *   "type": "Feature",
-	 *   "properties": {},
-	 *   "geometry": {
-	 *     "type": "Point",
-	 *     "coordinates": [110, 40]
-	 *   }
-	 * }
-	 * var geom = turf.getGeom(point)
-	 * //={"type": "Point", "coordinates": [110, 40]}
-	 */
-	function getGeom(geojson) {
-	    if (geojson.type === "Feature") {
-	        return geojson.geometry;
-	    }
-	    return geojson;
-	}
-	exports.getGeom = getGeom;
-	/**
-	 * Get GeoJSON object's type, Geometry type is prioritize.
-	 *
-	 * @param {GeoJSON} geojson GeoJSON object
-	 * @param {string} [name="geojson"] name of the variable to display in error message
-	 * @returns {string} GeoJSON type
-	 * @example
-	 * var point = {
-	 *   "type": "Feature",
-	 *   "properties": {},
-	 *   "geometry": {
-	 *     "type": "Point",
-	 *     "coordinates": [110, 40]
-	 *   }
-	 * }
-	 * var geom = turf.getType(point)
-	 * //="Point"
-	 */
-	function getType(geojson, name) {
-	    if (geojson.type === "FeatureCollection") {
-	        return "FeatureCollection";
-	    }
-	    if (geojson.type === "GeometryCollection") {
-	        return "GeometryCollection";
-	    }
-	    if (geojson.type === "Feature" && geojson.geometry !== null) {
-	        return geojson.geometry.type;
-	    }
-	    return geojson.type;
-	}
-	exports.getType = getType;
-	});
-
-	var lineclip_1 = lineclip;
-	var _default = lineclip;
-
-	lineclip.polyline = lineclip;
-	lineclip.polygon = polygonclip;
-
-
-	// Cohen-Sutherland line clippign algorithm, adapted to efficiently
-	// handle polylines rather than just segments
-
-	function lineclip(points, bbox, result) {
-
-	    var len = points.length,
-	        codeA = bitCode(points[0], bbox),
-	        part = [],
-	        i, a, b, codeB, lastCode;
-
-	    if (!result) result = [];
-
-	    for (i = 1; i < len; i++) {
-	        a = points[i - 1];
-	        b = points[i];
-	        codeB = lastCode = bitCode(b, bbox);
-
-	        while (true) {
-
-	            if (!(codeA | codeB)) { // accept
-	                part.push(a);
-
-	                if (codeB !== lastCode) { // segment went outside
-	                    part.push(b);
-
-	                    if (i < len - 1) { // start a new line
-	                        result.push(part);
-	                        part = [];
-	                    }
-	                } else if (i === len - 1) {
-	                    part.push(b);
-	                }
-	                break;
-
-	            } else if (codeA & codeB) { // trivial reject
-	                break;
-
-	            } else if (codeA) { // a outside, intersect with clip edge
-	                a = intersect(a, b, codeA, bbox);
-	                codeA = bitCode(a, bbox);
-
-	            } else { // b outside
-	                b = intersect(a, b, codeB, bbox);
-	                codeB = bitCode(b, bbox);
-	            }
-	        }
-
-	        codeA = lastCode;
-	    }
-
-	    if (part.length) result.push(part);
-
-	    return result;
-	}
-
-	// Sutherland-Hodgeman polygon clipping algorithm
-
-	function polygonclip(points, bbox) {
-
-	    var result, edge, prev, prevInside, i, p, inside;
-
-	    // clip against each side of the clip rectangle
-	    for (edge = 1; edge <= 8; edge *= 2) {
-	        result = [];
-	        prev = points[points.length - 1];
-	        prevInside = !(bitCode(prev, bbox) & edge);
-
-	        for (i = 0; i < points.length; i++) {
-	            p = points[i];
-	            inside = !(bitCode(p, bbox) & edge);
-
-	            // if segment goes through the clip window, add an intersection
-	            if (inside !== prevInside) result.push(intersect(prev, p, edge, bbox));
-
-	            if (inside) result.push(p); // add a point if it's inside
-
-	            prev = p;
-	            prevInside = inside;
-	        }
-
-	        points = result;
-
-	        if (!points.length) break;
-	    }
-
-	    return result;
-	}
-
-	// intersect a segment against one of the 4 lines that make up the bbox
-
-	function intersect(a, b, edge, bbox) {
-	    return edge & 8 ? [a[0] + (b[0] - a[0]) * (bbox[3] - a[1]) / (b[1] - a[1]), bbox[3]] : // top
-	           edge & 4 ? [a[0] + (b[0] - a[0]) * (bbox[1] - a[1]) / (b[1] - a[1]), bbox[1]] : // bottom
-	           edge & 2 ? [bbox[2], a[1] + (b[1] - a[1]) * (bbox[2] - a[0]) / (b[0] - a[0])] : // right
-	           edge & 1 ? [bbox[0], a[1] + (b[1] - a[1]) * (bbox[0] - a[0]) / (b[0] - a[0])] : // left
-	           null;
-	}
-
-	// bit code reflects the point position relative to the bbox:
-
-	//         left  mid  right
-	//    top  1001  1000  1010
-	//    mid  0001  0000  0010
-	// bottom  0101  0100  0110
-
-	function bitCode(p, bbox) {
-	    var code = 0;
-
-	    if (p[0] < bbox[0]) code |= 1; // left
-	    else if (p[0] > bbox[2]) code |= 2; // right
-
-	    if (p[1] < bbox[1]) code |= 4; // bottom
-	    else if (p[1] > bbox[3]) code |= 8; // top
-
-	    return code;
-	}
-	lineclip_1.default = _default;
-
-	var bboxClip_1 = createCommonjsModule(function (module, exports) {
-	var __importStar = (commonjsGlobal && commonjsGlobal.__importStar) || function (mod) {
-	    if (mod && mod.__esModule) return mod;
-	    var result = {};
-	    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
-	    result["default"] = mod;
-	    return result;
-	};
-	Object.defineProperty(exports, "__esModule", { value: true });
-
-
-	var lineclip = __importStar(lineclip_1);
-	/**
-	 * Takes a {@link Feature} and a bbox and clips the feature to the bbox using
-	 * [lineclip](https://github.com/mapbox/lineclip).
-	 * May result in degenerate edges when clipping Polygons.
-	 *
-	 * @name bboxClip
-	 * @param {Feature<LineString|MultiLineString|Polygon|MultiPolygon>} feature feature to clip to the bbox
-	 * @param {BBox} bbox extent in [minX, minY, maxX, maxY] order
-	 * @returns {Feature<LineString|MultiLineString|Polygon|MultiPolygon>} clipped Feature
-	 * @example
-	 * var bbox = [0, 0, 10, 10];
-	 * var poly = turf.polygon([[[2, 2], [8, 4], [12, 8], [3, 7], [2, 2]]]);
-	 *
-	 * var clipped = turf.bboxClip(poly, bbox);
-	 *
-	 * //addToMap
-	 * var addToMap = [bbox, poly, clipped]
-	 */
-	function bboxClip(feature, bbox) {
-	    var geom = invariant.getGeom(feature);
-	    var type = geom.type;
-	    var properties = feature.type === "Feature" ? feature.properties : {};
-	    var coords = geom.coordinates;
-	    switch (type) {
-	        case "LineString":
-	        case "MultiLineString":
-	            var lines_1 = [];
-	            if (type === "LineString") {
-	                coords = [coords];
-	            }
-	            coords.forEach(function (line) {
-	                lineclip.polyline(line, bbox, lines_1);
-	            });
-	            if (lines_1.length === 1) {
-	                return helpers$1.lineString(lines_1[0], properties);
-	            }
-	            return helpers$1.multiLineString(lines_1, properties);
-	        case "Polygon":
-	            return helpers$1.polygon(clipPolygon(coords, bbox), properties);
-	        case "MultiPolygon":
-	            return helpers$1.multiPolygon(coords.map(function (poly) {
-	                return clipPolygon(poly, bbox);
-	            }), properties);
-	        default:
-	            throw new Error("geometry " + type + " not supported");
-	    }
-	}
-	exports.default = bboxClip;
-	function clipPolygon(rings, bbox) {
-	    var outRings = [];
-	    for (var _i = 0, rings_1 = rings; _i < rings_1.length; _i++) {
-	        var ring = rings_1[_i];
-	        var clipped = lineclip.polygon(ring, bbox);
-	        if (clipped.length > 0) {
-	            if (clipped[0][0] !== clipped[clipped.length - 1][0] || clipped[0][1] !== clipped[clipped.length - 1][1]) {
-	                clipped.push(clipped[0]);
-	            }
-	            if (clipped.length >= 4) {
-	                outRings.push(clipped);
-	            }
-	        }
-	    }
-	    return outRings;
-	}
-	});
-
-	var fastJsonStableStringify = function (data, opts) {
-	    if (!opts) opts = {};
-	    if (typeof opts === 'function') opts = { cmp: opts };
-	    var cycles = (typeof opts.cycles === 'boolean') ? opts.cycles : false;
-
-	    var cmp = opts.cmp && (function (f) {
-	        return function (node) {
-	            return function (a, b) {
-	                var aobj = { key: a, value: node[a] };
-	                var bobj = { key: b, value: node[b] };
-	                return f(aobj, bobj);
-	            };
-	        };
-	    })(opts.cmp);
-
-	    var seen = [];
-	    return (function stringify (node) {
-	        if (node && node.toJSON && typeof node.toJSON === 'function') {
-	            node = node.toJSON();
-	        }
-
-	        if (node === undefined) return;
-	        if (typeof node == 'number') return isFinite(node) ? '' + node : 'null';
-	        if (typeof node !== 'object') return JSON.stringify(node);
-
-	        var i, out;
-	        if (Array.isArray(node)) {
-	            out = '[';
-	            for (i = 0; i < node.length; i++) {
-	                if (i) out += ',';
-	                out += stringify(node[i]) || 'null';
-	            }
-	            return out + ']';
-	        }
-
-	        if (node === null) return 'null';
-
-	        if (seen.indexOf(node) !== -1) {
-	            if (cycles) return JSON.stringify('__cycle__');
-	            throw new TypeError('Converting circular structure to JSON');
-	        }
-
-	        var seenIndex = seen.push(node) - 1;
-	        var keys = Object.keys(node).sort(cmp && cmp(node));
-	        out = '';
-	        for (i = 0; i < keys.length; i++) {
-	            var key = keys[i];
-	            var value = stringify(node[key]);
-
-	            if (!value) continue;
-	            if (out) out += ',';
-	            out += JSON.stringify(key) + ':' + value;
-	        }
-	        seen.splice(seenIndex, 1);
-	        return '{' + out + '}';
-	    })(data);
-	};
-
-	function DEFAULT_COMPARE (a, b) { return a > b ? 1 : a < b ? -1 : 0; }
-
-	class SplayTree {
-
-	  constructor(compare = DEFAULT_COMPARE, noDuplicates = false) {
-	    this._compare = compare;
-	    this._root = null;
-	    this._size = 0;
-	    this._noDuplicates = !!noDuplicates;
-	  }
-
-
-	  rotateLeft(x) {
-	    var y = x.right;
-	    if (y) {
-	      x.right = y.left;
-	      if (y.left) y.left.parent = x;
-	      y.parent = x.parent;
-	    }
-
-	    if (!x.parent)                this._root = y;
-	    else if (x === x.parent.left) x.parent.left = y;
-	    else                          x.parent.right = y;
-	    if (y) y.left = x;
-	    x.parent = y;
-	  }
-
-
-	  rotateRight(x) {
-	    var y = x.left;
-	    if (y) {
-	      x.left = y.right;
-	      if (y.right) y.right.parent = x;
-	      y.parent = x.parent;
-	    }
-
-	    if (!x.parent)               this._root = y;
-	    else if(x === x.parent.left) x.parent.left = y;
-	    else                         x.parent.right = y;
-	    if (y) y.right = x;
-	    x.parent = y;
-	  }
-
-
-	  _splay(x) {
-	    while (x.parent) {
-	      var p = x.parent;
-	      if (!p.parent) {
-	        if (p.left === x) this.rotateRight(p);
-	        else              this.rotateLeft(p);
-	      } else if (p.left === x && p.parent.left === p) {
-	        this.rotateRight(p.parent);
-	        this.rotateRight(p);
-	      } else if (p.right === x && p.parent.right === p) {
-	        this.rotateLeft(p.parent);
-	        this.rotateLeft(p);
-	      } else if (p.left === x && p.parent.right === p) {
-	        this.rotateRight(p);
-	        this.rotateLeft(p);
-	      } else {
-	        this.rotateLeft(p);
-	        this.rotateRight(p);
-	      }
-	    }
-	  }
-
-
-	  splay(x) {
-	    var p, gp, ggp, l, r;
-
-	    while (x.parent) {
-	      p = x.parent;
-	      gp = p.parent;
-
-	      if (gp && gp.parent) {
-	        ggp = gp.parent;
-	        if (ggp.left === gp) ggp.left  = x;
-	        else                 ggp.right = x;
-	        x.parent = ggp;
-	      } else {
-	        x.parent = null;
-	        this._root = x;
-	      }
-
-	      l = x.left; r = x.right;
-
-	      if (x === p.left) { // left
-	        if (gp) {
-	          if (gp.left === p) {
-	            /* zig-zig */
-	            if (p.right) {
-	              gp.left = p.right;
-	              gp.left.parent = gp;
-	            } else gp.left = null;
-
-	            p.right   = gp;
-	            gp.parent = p;
-	          } else {
-	            /* zig-zag */
-	            if (l) {
-	              gp.right = l;
-	              l.parent = gp;
-	            } else gp.right = null;
-
-	            x.left    = gp;
-	            gp.parent = x;
-	          }
-	        }
-	        if (r) {
-	          p.left = r;
-	          r.parent = p;
-	        } else p.left = null;
-
-	        x.right  = p;
-	        p.parent = x;
-	      } else { // right
-	        if (gp) {
-	          if (gp.right === p) {
-	            /* zig-zig */
-	            if (p.left) {
-	              gp.right = p.left;
-	              gp.right.parent = gp;
-	            } else gp.right = null;
-
-	            p.left = gp;
-	            gp.parent = p;
-	          } else {
-	            /* zig-zag */
-	            if (r) {
-	              gp.left = r;
-	              r.parent = gp;
-	            } else gp.left = null;
-
-	            x.right   = gp;
-	            gp.parent = x;
-	          }
-	        }
-	        if (l) {
-	          p.right = l;
-	          l.parent = p;
-	        } else p.right = null;
-
-	        x.left   = p;
-	        p.parent = x;
-	      }
-	    }
-	  }
-
-
-	  replace(u, v) {
-	    if (!u.parent) this._root = v;
-	    else if (u === u.parent.left) u.parent.left = v;
-	    else u.parent.right = v;
-	    if (v) v.parent = u.parent;
-	  }
-
-
-	  minNode(u = this._root) {
-	    if (u) while (u.left) u = u.left;
-	    return u;
-	  }
-
-
-	  maxNode(u = this._root) {
-	    if (u) while (u.right) u = u.right;
-	    return u;
-	  }
-
-
-	  insert(key, data) {
-	    var z = this._root;
-	    var p = null;
-	    var comp = this._compare;
-	    var cmp;
-
-	    if (this._noDuplicates) {
-	      while (z) {
-	        p = z;
-	        cmp = comp(z.key, key);
-	        if (cmp === 0) return;
-	        else if (comp(z.key, key) < 0) z = z.right;
-	        else z = z.left;
-	      }
-	    } else {
-	      while (z) {
-	        p = z;
-	        if (comp(z.key, key) < 0) z = z.right;
-	        else z = z.left;
-	      }
-	    }
-
-	    z = { key, data, left: null, right: null, parent: p };
-
-	    if (!p)                          this._root = z;
-	    else if (comp(p.key, z.key) < 0) p.right = z;
-	    else                             p.left  = z;
-
-	    this.splay(z);
-	    this._size++;
-	    return z;
-	  }
-
-
-	  find (key) {
-	    var z    = this._root;
-	    var comp = this._compare;
-	    while (z) {
-	      var cmp = comp(z.key, key);
-	      if      (cmp < 0) z = z.right;
-	      else if (cmp > 0) z = z.left;
-	      else              return z;
-	    }
-	    return null;
-	  }
-
-	  /**
-	   * Whether the tree contains a node with the given key
-	   * @param  {Key} key
-	   * @return {boolean} true/false
-	   */
-	  contains (key) {
-	    var node       = this._root;
-	    var comparator = this._compare;
-	    while (node)  {
-	      var cmp = comparator(key, node.key);
-	      if      (cmp === 0) return true;
-	      else if (cmp < 0)   node = node.left;
-	      else                node = node.right;
-	    }
-
-	    return false;
-	  }
-
-
-	  remove (key) {
-	    var z = this.find(key);
-
-	    if (!z) return false;
-
-	    this.splay(z);
-
-	    if (!z.left) this.replace(z, z.right);
-	    else if (!z.right) this.replace(z, z.left);
-	    else {
-	      var y = this.minNode(z.right);
-	      if (y.parent !== z) {
-	        this.replace(y, y.right);
-	        y.right = z.right;
-	        y.right.parent = y;
-	      }
-	      this.replace(z, y);
-	      y.left = z.left;
-	      y.left.parent = y;
-	    }
-
-	    this._size--;
-	    return true;
-	  }
-
-
-	  removeNode(z) {
-	    if (!z) return false;
-
-	    this.splay(z);
-
-	    if (!z.left) this.replace(z, z.right);
-	    else if (!z.right) this.replace(z, z.left);
-	    else {
-	      var y = this.minNode(z.right);
-	      if (y.parent !== z) {
-	        this.replace(y, y.right);
-	        y.right = z.right;
-	        y.right.parent = y;
-	      }
-	      this.replace(z, y);
-	      y.left = z.left;
-	      y.left.parent = y;
-	    }
-
-	    this._size--;
-	    return true;
-	  }
-
-
-	  erase (key) {
-	    var z = this.find(key);
-	    if (!z) return;
-
-	    this.splay(z);
-
-	    var s = z.left;
-	    var t = z.right;
-
-	    var sMax = null;
-	    if (s) {
-	      s.parent = null;
-	      sMax = this.maxNode(s);
-	      this.splay(sMax);
-	      this._root = sMax;
-	    }
-	    if (t) {
-	      if (s) sMax.right = t;
-	      else   this._root = t;
-	      t.parent = sMax;
-	    }
-
-	    this._size--;
-	  }
-
-	  /**
-	   * Removes and returns the node with smallest key
-	   * @return {?Node}
-	   */
-	  pop () {
-	    var node = this._root, returnValue = null;
-	    if (node) {
-	      while (node.left) node = node.left;
-	      returnValue = { key: node.key, data: node.data };
-	      this.remove(node.key);
-	    }
-	    return returnValue;
-	  }
-
-
-	  /* eslint-disable class-methods-use-this */
-
-	  /**
-	   * Successor node
-	   * @param  {Node} node
-	   * @return {?Node}
-	   */
-	  next (node) {
-	    var successor = node;
-	    if (successor) {
-	      if (successor.right) {
-	        successor = successor.right;
-	        while (successor && successor.left) successor = successor.left;
-	      } else {
-	        successor = node.parent;
-	        while (successor && successor.right === node) {
-	          node = successor; successor = successor.parent;
-	        }
-	      }
-	    }
-	    return successor;
-	  }
-
-
-	  /**
-	   * Predecessor node
-	   * @param  {Node} node
-	   * @return {?Node}
-	   */
-	  prev (node) {
-	    var predecessor = node;
-	    if (predecessor) {
-	      if (predecessor.left) {
-	        predecessor = predecessor.left;
-	        while (predecessor && predecessor.right) predecessor = predecessor.right;
-	      } else {
-	        predecessor = node.parent;
-	        while (predecessor && predecessor.left === node) {
-	          node = predecessor;
-	          predecessor = predecessor.parent;
-	        }
-	      }
-	    }
-	    return predecessor;
-	  }
-	  /* eslint-enable class-methods-use-this */
-
-
-	  /**
-	   * @param  {forEachCallback} callback
-	   * @return {SplayTree}
-	   */
-	  forEach(callback) {
-	    var current = this._root;
-	    var s = [], done = false, i = 0;
-
-	    while (!done) {
-	      // Reach the left most Node of the current Node
-	      if (current) {
-	        // Place pointer to a tree node on the stack
-	        // before traversing the node's left subtree
-	        s.push(current);
-	        current = current.left;
-	      } else {
-	        // BackTrack from the empty subtree and visit the Node
-	        // at the top of the stack; however, if the stack is
-	        // empty you are done
-	        if (s.length > 0) {
-	          current = s.pop();
-	          callback(current, i++);
-
-	          // We have visited the node and its left
-	          // subtree. Now, it's right subtree's turn
-	          current = current.right;
-	        } else done = true;
-	      }
-	    }
-	    return this;
-	  }
-
-
-	  /**
-	   * Walk key range from `low` to `high`. Stops if `fn` returns a value.
-	   * @param  {Key}      low
-	   * @param  {Key}      high
-	   * @param  {Function} fn
-	   * @param  {*?}       ctx
-	   * @return {SplayTree}
-	   */
-	  range(low, high, fn, ctx) {
-	    const Q = [];
-	    const compare = this._compare;
-	    let node = this._root, cmp;
-
-	    while (Q.length !== 0 || node) {
-	      if (node) {
-	        Q.push(node);
-	        node = node.left;
-	      } else {
-	        node = Q.pop();
-	        cmp = compare(node.key, high);
-	        if (cmp > 0) {
-	          break;
-	        } else if (compare(node.key, low) >= 0) {
-	          if (fn.call(ctx, node)) return this; // stop if smth is returned
-	        }
-	        node = node.right;
-	      }
-	    }
-	    return this;
-	  }
-
-	  /**
-	   * Returns all keys in order
-	   * @return {Array<Key>}
-	   */
-	  keys () {
-	    var current = this._root;
-	    var s = [], r = [], done = false;
-
-	    while (!done) {
-	      if (current) {
-	        s.push(current);
-	        current = current.left;
-	      } else {
-	        if (s.length > 0) {
-	          current = s.pop();
-	          r.push(current.key);
-	          current = current.right;
-	        } else done = true;
-	      }
-	    }
-	    return r;
-	  }
-
-
-	  /**
-	   * Returns `data` fields of all nodes in order.
-	   * @return {Array<Value>}
-	   */
-	  values () {
-	    var current = this._root;
-	    var s = [], r = [], done = false;
-
-	    while (!done) {
-	      if (current) {
-	        s.push(current);
-	        current = current.left;
-	      } else {
-	        if (s.length > 0) {
-	          current = s.pop();
-	          r.push(current.data);
-	          current = current.right;
-	        } else done = true;
-	      }
-	    }
-	    return r;
-	  }
-
-
-	  /**
-	   * Returns node at given index
-	   * @param  {number} index
-	   * @return {?Node}
-	   */
-	  at (index) {
-	    // removed after a consideration, more misleading than useful
-	    // index = index % this.size;
-	    // if (index < 0) index = this.size - index;
-
-	    var current = this._root;
-	    var s = [], done = false, i = 0;
-
-	    while (!done) {
-	      if (current) {
-	        s.push(current);
-	        current = current.left;
-	      } else {
-	        if (s.length > 0) {
-	          current = s.pop();
-	          if (i === index) return current;
-	          i++;
-	          current = current.right;
-	        } else done = true;
-	      }
-	    }
-	    return null;
-	  }
-
-	  /**
-	   * Bulk-load items. Both array have to be same size
-	   * @param  {Array<Key>}    keys
-	   * @param  {Array<Value>}  [values]
-	   * @param  {Boolean}       [presort=false] Pre-sort keys and values, using
-	   *                                         tree's comparator. Sorting is done
-	   *                                         in-place
-	   * @return {AVLTree}
-	   */
-	  load(keys = [], values = [], presort = false) {
-	    if (this._size !== 0) throw new Error('bulk-load: tree is not empty');
-	    const size = keys.length;
-	    if (presort) sort(keys, values, 0, size - 1, this._compare);
-	    this._root = loadRecursive(null, keys, values, 0, size);
-	    this._size = size;
-	    return this;
-	  }
-
-
-	  min() {
-	    var node = this.minNode(this._root);
-	    if (node) return node.key;
-	    else      return null;
-	  }
-
-
-	  max() {
-	    var node = this.maxNode(this._root);
-	    if (node) return node.key;
-	    else      return null;
-	  }
-
-	  isEmpty() { return this._root === null; }
-	  get size() { return this._size; }
-
-
-	  /**
-	   * Create a tree and load it with items
-	   * @param  {Array<Key>}          keys
-	   * @param  {Array<Value>?}        [values]
-
-	   * @param  {Function?}            [comparator]
-	   * @param  {Boolean?}             [presort=false] Pre-sort keys and values, using
-	   *                                               tree's comparator. Sorting is done
-	   *                                               in-place
-	   * @param  {Boolean?}             [noDuplicates=false]   Allow duplicates
-	   * @return {SplayTree}
-	   */
-	  static createTree(keys, values, comparator, presort, noDuplicates) {
-	    return new SplayTree(comparator, noDuplicates).load(keys, values, presort);
-	  }
-	}
-
-
-	function loadRecursive (parent, keys, values, start, end) {
-	  const size = end - start;
-	  if (size > 0) {
-	    const middle = start + Math.floor(size / 2);
-	    const key    = keys[middle];
-	    const data   = values[middle];
-	    const node   = { key, data, parent };
-	    node.left    = loadRecursive(node, keys, values, start, middle);
-	    node.right   = loadRecursive(node, keys, values, middle + 1, end);
-	    return node;
-	  }
-	  return null;
-	}
-
-
-	function sort(keys, values, left, right, compare) {
-	  if (left >= right) return;
-
-	  const pivot = keys[(left + right) >> 1];
-	  let i = left - 1;
-	  let j = right + 1;
-
-	  while (true) {
-	    do i++; while (compare(keys[i], pivot) < 0);
-	    do j--; while (compare(keys[j], pivot) > 0);
-	    if (i >= j) break;
-
-	    let tmp = keys[i];
-	    keys[i] = keys[j];
-	    keys[j] = tmp;
-
-	    tmp = values[i];
-	    values[i] = values[j];
-	    values[j] = tmp;
-	  }
-
-	  sort(keys, values,  left,     j, compare);
-	  sort(keys, values, j + 1, right, compare);
-	}
-
-	const NORMAL               = 0;
-	const NON_CONTRIBUTING     = 1;
-	const SAME_TRANSITION      = 2;
-	const DIFFERENT_TRANSITION = 3;
-
-	const INTERSECTION = 0;
-	const UNION        = 1;
-	const DIFFERENCE   = 2;
-	const XOR          = 3;
-
-	/**
-	 * @param  {SweepEvent} event
-	 * @param  {SweepEvent} prev
-	 * @param  {Operation} operation
-	 */
-	function computeFields (event, prev, operation) {
-	  // compute inOut and otherInOut fields
-	  if (prev === null) {
-	    event.inOut      = false;
-	    event.otherInOut = true;
-
-	  // previous line segment in sweepline belongs to the same polygon
-	  } else {
-	    if (event.isSubject === prev.isSubject) {
-	      event.inOut      = !prev.inOut;
-	      event.otherInOut = prev.otherInOut;
-
-	    // previous line segment in sweepline belongs to the clipping polygon
-	    } else {
-	      event.inOut      = !prev.otherInOut;
-	      event.otherInOut = prev.isVertical() ? !prev.inOut : prev.inOut;
-	    }
-
-	    // compute prevInResult field
-	    if (prev) {
-	      event.prevInResult = (!inResult(prev, operation) || prev.isVertical())
-	        ? prev.prevInResult : prev;
-	    }
-	  }
-
-	  // check if the line segment belongs to the Boolean operation
-	  let isInResult = inResult(event, operation);
-	  if (isInResult) {
-	    event.resultTransition = determineResultTransition(event, operation);
-	  } else {
-	    event.resultTransition = 0;
-	  }
-	}
-
-
-	/* eslint-disable indent */
-	function inResult(event, operation) {
-	  switch (event.type) {
-	    case NORMAL:
-	      switch (operation) {
-	        case INTERSECTION:
-	          return !event.otherInOut;
-	        case UNION:
-	          return event.otherInOut;
-	        case DIFFERENCE:
-	          // return (event.isSubject && !event.otherInOut) ||
-	          //         (!event.isSubject && event.otherInOut);
-	          return (event.isSubject && event.otherInOut) ||
-	                  (!event.isSubject && !event.otherInOut);
-	        case XOR:
-	          return true;
-	      }
-	      break;
-	    case SAME_TRANSITION:
-	      return operation === INTERSECTION || operation === UNION;
-	    case DIFFERENT_TRANSITION:
-	      return operation === DIFFERENCE;
-	    case NON_CONTRIBUTING:
-	      return false;
-	  }
-	  return false;
-	}
-	/* eslint-enable indent */
-
-
-	function determineResultTransition(event, operation) {
-	  let thisIn = !event.inOut;
-	  let thatIn = !event.otherInOut;
-
-	  let isIn;
-	  switch (operation) {
-	    case INTERSECTION:
-	      isIn = thisIn && thatIn; break;
-	    case UNION:
-	      isIn = thisIn || thatIn; break;
-	    case XOR:
-	      isIn = thisIn ^ thatIn; break;
-	    case DIFFERENCE:
-	      if (event.isSubject) {
-	        isIn = thisIn && !thatIn;
-	      } else {
-	        isIn = thatIn && !thisIn;
-	      }
-	      break;
-	  }
-	  return isIn ? +1 : -1;
-	}
-
-	class SweepEvent {
-
-
-	  /**
-	   * Sweepline event
-	   *
-	   * @class {SweepEvent}
-	   * @param {Array.<Number>}  point
-	   * @param {Boolean}         left
-	   * @param {SweepEvent=}     otherEvent
-	   * @param {Boolean}         isSubject
-	   * @param {Number}          edgeType
-	   */
-	  constructor (point, left, otherEvent, isSubject, edgeType) {
-
-	    /**
-	     * Is left endpoint?
-	     * @type {Boolean}
-	     */
-	    this.left = left;
-
-	    /**
-	     * @type {Array.<Number>}
-	     */
-	    this.point = point;
-
-	    /**
-	     * Other edge reference
-	     * @type {SweepEvent}
-	     */
-	    this.otherEvent = otherEvent;
-
-	    /**
-	     * Belongs to source or clipping polygon
-	     * @type {Boolean}
-	     */
-	    this.isSubject = isSubject;
-
-	    /**
-	     * Edge contribution type
-	     * @type {Number}
-	     */
-	    this.type = edgeType || NORMAL;
-
-
-	    /**
-	     * In-out transition for the sweepline crossing polygon
-	     * @type {Boolean}
-	     */
-	    this.inOut = false;
-
-
-	    /**
-	     * @type {Boolean}
-	     */
-	    this.otherInOut = false;
-
-	    /**
-	     * Previous event in result?
-	     * @type {SweepEvent}
-	     */
-	    this.prevInResult = null;
-
-	    /**
-	     * Type of result transition (0 = not in result, +1 = out-in, -1, in-out)
-	     * @type {Number}
-	     */
-	    this.resultTransition = 0;
-
-	    // connection step
-
-	    /**
-	     * @type {Number}
-	     */
-	    this.otherPos = -1;
-
-	    /**
-	     * @type {Number}
-	     */
-	    this.outputContourId = -1;
-
-	    this.isExteriorRing = true;   // TODO: Looks unused, remove?
-	  }
-
-
-	  /**
-	   * @param  {Array.<Number>}  p
-	   * @return {Boolean}
-	   */
-	  isBelow (p) {
-	    const p0 = this.point, p1 = this.otherEvent.point;
-	    return this.left
-	      ? (p0[0] - p[0]) * (p1[1] - p[1]) - (p1[0] - p[0]) * (p0[1] - p[1]) > 0
-	      // signedArea(this.point, this.otherEvent.point, p) > 0 :
-	      : (p1[0] - p[0]) * (p0[1] - p[1]) - (p0[0] - p[0]) * (p1[1] - p[1]) > 0;
-	      //signedArea(this.otherEvent.point, this.point, p) > 0;
-	  }
-
-
-	  /**
-	   * @param  {Array.<Number>}  p
-	   * @return {Boolean}
-	   */
-	  isAbove (p) {
-	    return !this.isBelow(p);
-	  }
-
-
-	  /**
-	   * @return {Boolean}
-	   */
-	  isVertical () {
-	    return this.point[0] === this.otherEvent.point[0];
-	  }
-
-
-	  /**
-	   * Does event belong to result?
-	   * @return {Boolean}
-	   */
-	  get inResult() {
-	    return this.resultTransition !== 0;
-	  }
-
-
-	  clone () {
-	    const copy = new SweepEvent(
-	      this.point, this.left, this.otherEvent, this.isSubject, this.type);
-
-	    copy.contourId        = this.contourId;
-	    copy.resultTransition = this.resultTransition;
-	    copy.prevInResult     = this.prevInResult;
-	    copy.isExteriorRing   = this.isExteriorRing;
-	    copy.inOut            = this.inOut;
-	    copy.otherInOut       = this.otherInOut;
-
-	    return copy;
-	  }
-	}
-
-	function equals(p1, p2) {
-	  if (p1[0] === p2[0]) {
-	    if (p1[1] === p2[1]) {
-	      return true;
-	    } else {
-	      return false;
-	    }
-	  }
-	  return false;
-	}
-
-	// const EPSILON = 1e-9;
-	// const abs = Math.abs;
-	// TODO https://github.com/w8r/martinez/issues/6#issuecomment-262847164
-	// Precision problem.
-	//
-	// module.exports = function equals(p1, p2) {
-	//   return abs(p1[0] - p2[0]) <= EPSILON && abs(p1[1] - p2[1]) <= EPSILON;
-	// };
-
-	const epsilon$1 = 1.1102230246251565e-16;
-	const splitter = 134217729;
-	const resulterrbound = (3 + 8 * epsilon$1) * epsilon$1;
-
-	// fast_expansion_sum_zeroelim routine from oritinal code
-	function sum$1(elen, e, flen, f, h) {
-	    let Q, Qnew, hh, bvirt;
-	    let enow = e[0];
-	    let fnow = f[0];
-	    let eindex = 0;
-	    let findex = 0;
-	    if ((fnow > enow) === (fnow > -enow)) {
-	        Q = enow;
-	        enow = e[++eindex];
-	    } else {
-	        Q = fnow;
-	        fnow = f[++findex];
-	    }
-	    let hindex = 0;
-	    if (eindex < elen && findex < flen) {
-	        if ((fnow > enow) === (fnow > -enow)) {
-	            Qnew = enow + Q;
-	            hh = Q - (Qnew - enow);
-	            enow = e[++eindex];
-	        } else {
-	            Qnew = fnow + Q;
-	            hh = Q - (Qnew - fnow);
-	            fnow = f[++findex];
-	        }
-	        Q = Qnew;
-	        if (hh !== 0) {
-	            h[hindex++] = hh;
-	        }
-	        while (eindex < elen && findex < flen) {
-	            if ((fnow > enow) === (fnow > -enow)) {
-	                Qnew = Q + enow;
-	                bvirt = Qnew - Q;
-	                hh = Q - (Qnew - bvirt) + (enow - bvirt);
-	                enow = e[++eindex];
-	            } else {
-	                Qnew = Q + fnow;
-	                bvirt = Qnew - Q;
-	                hh = Q - (Qnew - bvirt) + (fnow - bvirt);
-	                fnow = f[++findex];
-	            }
-	            Q = Qnew;
-	            if (hh !== 0) {
-	                h[hindex++] = hh;
-	            }
-	        }
-	    }
-	    while (eindex < elen) {
-	        Qnew = Q + enow;
-	        bvirt = Qnew - Q;
-	        hh = Q - (Qnew - bvirt) + (enow - bvirt);
-	        enow = e[++eindex];
-	        Q = Qnew;
-	        if (hh !== 0) {
-	            h[hindex++] = hh;
-	        }
-	    }
-	    while (findex < flen) {
-	        Qnew = Q + fnow;
-	        bvirt = Qnew - Q;
-	        hh = Q - (Qnew - bvirt) + (fnow - bvirt);
-	        fnow = f[++findex];
-	        Q = Qnew;
-	        if (hh !== 0) {
-	            h[hindex++] = hh;
-	        }
-	    }
-	    if (Q !== 0 || hindex === 0) {
-	        h[hindex++] = Q;
-	    }
-	    return hindex;
-	}
-
-	function estimate(elen, e) {
-	    let Q = e[0];
-	    for (let i = 1; i < elen; i++) Q += e[i];
-	    return Q;
-	}
-
-	function vec(n) {
-	    return new Float64Array(n);
-	}
-
-	const ccwerrboundA = (3 + 16 * epsilon$1) * epsilon$1;
-	const ccwerrboundB = (2 + 12 * epsilon$1) * epsilon$1;
-	const ccwerrboundC = (9 + 64 * epsilon$1) * epsilon$1 * epsilon$1;
-
-	const B = vec(4);
-	const C1 = vec(8);
-	const C2 = vec(12);
-	const D = vec(16);
-	const u = vec(4);
-
-	function orient2dadapt(ax, ay, bx, by, cx, cy, detsum) {
-	    let acxtail, acytail, bcxtail, bcytail;
-	    let bvirt, c, ahi, alo, bhi, blo, _i, _j, _0, s1, s0, t1, t0, u3;
-
-	    const acx = ax - cx;
-	    const bcx = bx - cx;
-	    const acy = ay - cy;
-	    const bcy = by - cy;
-
-	    s1 = acx * bcy;
-	    c = splitter * acx;
-	    ahi = c - (c - acx);
-	    alo = acx - ahi;
-	    c = splitter * bcy;
-	    bhi = c - (c - bcy);
-	    blo = bcy - bhi;
-	    s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
-	    t1 = acy * bcx;
-	    c = splitter * acy;
-	    ahi = c - (c - acy);
-	    alo = acy - ahi;
-	    c = splitter * bcx;
-	    bhi = c - (c - bcx);
-	    blo = bcx - bhi;
-	    t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
-	    _i = s0 - t0;
-	    bvirt = s0 - _i;
-	    B[0] = s0 - (_i + bvirt) + (bvirt - t0);
-	    _j = s1 + _i;
-	    bvirt = _j - s1;
-	    _0 = s1 - (_j - bvirt) + (_i - bvirt);
-	    _i = _0 - t1;
-	    bvirt = _0 - _i;
-	    B[1] = _0 - (_i + bvirt) + (bvirt - t1);
-	    u3 = _j + _i;
-	    bvirt = u3 - _j;
-	    B[2] = _j - (u3 - bvirt) + (_i - bvirt);
-	    B[3] = u3;
-
-	    let det = estimate(4, B);
-	    let errbound = ccwerrboundB * detsum;
-	    if (det >= errbound || -det >= errbound) {
-	        return det;
-	    }
-
-	    bvirt = ax - acx;
-	    acxtail = ax - (acx + bvirt) + (bvirt - cx);
-	    bvirt = bx - bcx;
-	    bcxtail = bx - (bcx + bvirt) + (bvirt - cx);
-	    bvirt = ay - acy;
-	    acytail = ay - (acy + bvirt) + (bvirt - cy);
-	    bvirt = by - bcy;
-	    bcytail = by - (bcy + bvirt) + (bvirt - cy);
-
-	    if (acxtail === 0 && acytail === 0 && bcxtail === 0 && bcytail === 0) {
-	        return det;
-	    }
-
-	    errbound = ccwerrboundC * detsum + resulterrbound * Math.abs(det);
-	    det += (acx * bcytail + bcy * acxtail) - (acy * bcxtail + bcx * acytail);
-	    if (det >= errbound || -det >= errbound) return det;
-
-	    s1 = acxtail * bcy;
-	    c = splitter * acxtail;
-	    ahi = c - (c - acxtail);
-	    alo = acxtail - ahi;
-	    c = splitter * bcy;
-	    bhi = c - (c - bcy);
-	    blo = bcy - bhi;
-	    s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
-	    t1 = acytail * bcx;
-	    c = splitter * acytail;
-	    ahi = c - (c - acytail);
-	    alo = acytail - ahi;
-	    c = splitter * bcx;
-	    bhi = c - (c - bcx);
-	    blo = bcx - bhi;
-	    t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
-	    _i = s0 - t0;
-	    bvirt = s0 - _i;
-	    u[0] = s0 - (_i + bvirt) + (bvirt - t0);
-	    _j = s1 + _i;
-	    bvirt = _j - s1;
-	    _0 = s1 - (_j - bvirt) + (_i - bvirt);
-	    _i = _0 - t1;
-	    bvirt = _0 - _i;
-	    u[1] = _0 - (_i + bvirt) + (bvirt - t1);
-	    u3 = _j + _i;
-	    bvirt = u3 - _j;
-	    u[2] = _j - (u3 - bvirt) + (_i - bvirt);
-	    u[3] = u3;
-	    const C1len = sum$1(4, B, 4, u, C1);
-
-	    s1 = acx * bcytail;
-	    c = splitter * acx;
-	    ahi = c - (c - acx);
-	    alo = acx - ahi;
-	    c = splitter * bcytail;
-	    bhi = c - (c - bcytail);
-	    blo = bcytail - bhi;
-	    s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
-	    t1 = acy * bcxtail;
-	    c = splitter * acy;
-	    ahi = c - (c - acy);
-	    alo = acy - ahi;
-	    c = splitter * bcxtail;
-	    bhi = c - (c - bcxtail);
-	    blo = bcxtail - bhi;
-	    t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
-	    _i = s0 - t0;
-	    bvirt = s0 - _i;
-	    u[0] = s0 - (_i + bvirt) + (bvirt - t0);
-	    _j = s1 + _i;
-	    bvirt = _j - s1;
-	    _0 = s1 - (_j - bvirt) + (_i - bvirt);
-	    _i = _0 - t1;
-	    bvirt = _0 - _i;
-	    u[1] = _0 - (_i + bvirt) + (bvirt - t1);
-	    u3 = _j + _i;
-	    bvirt = u3 - _j;
-	    u[2] = _j - (u3 - bvirt) + (_i - bvirt);
-	    u[3] = u3;
-	    const C2len = sum$1(C1len, C1, 4, u, C2);
-
-	    s1 = acxtail * bcytail;
-	    c = splitter * acxtail;
-	    ahi = c - (c - acxtail);
-	    alo = acxtail - ahi;
-	    c = splitter * bcytail;
-	    bhi = c - (c - bcytail);
-	    blo = bcytail - bhi;
-	    s0 = alo * blo - (s1 - ahi * bhi - alo * bhi - ahi * blo);
-	    t1 = acytail * bcxtail;
-	    c = splitter * acytail;
-	    ahi = c - (c - acytail);
-	    alo = acytail - ahi;
-	    c = splitter * bcxtail;
-	    bhi = c - (c - bcxtail);
-	    blo = bcxtail - bhi;
-	    t0 = alo * blo - (t1 - ahi * bhi - alo * bhi - ahi * blo);
-	    _i = s0 - t0;
-	    bvirt = s0 - _i;
-	    u[0] = s0 - (_i + bvirt) + (bvirt - t0);
-	    _j = s1 + _i;
-	    bvirt = _j - s1;
-	    _0 = s1 - (_j - bvirt) + (_i - bvirt);
-	    _i = _0 - t1;
-	    bvirt = _0 - _i;
-	    u[1] = _0 - (_i + bvirt) + (bvirt - t1);
-	    u3 = _j + _i;
-	    bvirt = u3 - _j;
-	    u[2] = _j - (u3 - bvirt) + (_i - bvirt);
-	    u[3] = u3;
-	    const Dlen = sum$1(C2len, C2, 4, u, D);
-
-	    return D[Dlen - 1];
-	}
-
-	function orient2d(ax, ay, bx, by, cx, cy) {
-	    const detleft = (ay - cy) * (bx - cx);
-	    const detright = (ax - cx) * (by - cy);
-	    const det = detleft - detright;
-
-	    if (detleft === 0 || detright === 0 || (detleft > 0) !== (detright > 0)) return det;
-
-	    const detsum = Math.abs(detleft + detright);
-	    if (Math.abs(det) >= ccwerrboundA * detsum) return det;
-
-	    return -orient2dadapt(ax, ay, bx, by, cx, cy, detsum);
-	}
-
-	/**
-	 * Signed area of the triangle (p0, p1, p2)
-	 * @param  {Array.<Number>} p0
-	 * @param  {Array.<Number>} p1
-	 * @param  {Array.<Number>} p2
-	 * @return {Number}
-	 */
-	function signedArea(p0, p1, p2) {
-	  const res = orient2d(p0[0], p0[1], p1[0], p1[1], p2[0], p2[1]);
-	  if (res > 0) return -1;
-	  if (res < 0) return 1;
-	  return 0;
-	}
-
-	/**
-	 * @param  {SweepEvent} e1
-	 * @param  {SweepEvent} e2
-	 * @return {Number}
-	 */
-	function compareEvents(e1, e2) {
-	  const p1 = e1.point;
-	  const p2 = e2.point;
-
-	  // Different x-coordinate
-	  if (p1[0] > p2[0]) return 1;
-	  if (p1[0] < p2[0]) return -1;
-
-	  // Different points, but same x-coordinate
-	  // Event with lower y-coordinate is processed first
-	  if (p1[1] !== p2[1]) return p1[1] > p2[1] ? 1 : -1;
-
-	  return specialCases(e1, e2, p1);
-	}
-
-
-	/* eslint-disable no-unused-vars */
-	function specialCases(e1, e2, p1, p2) {
-	  // Same coordinates, but one is a left endpoint and the other is
-	  // a right endpoint. The right endpoint is processed first
-	  if (e1.left !== e2.left)
-	    return e1.left ? 1 : -1;
-
-	  // const p2 = e1.otherEvent.point, p3 = e2.otherEvent.point;
-	  // const sa = (p1[0] - p3[0]) * (p2[1] - p3[1]) - (p2[0] - p3[0]) * (p1[1] - p3[1])
-	  // Same coordinates, both events
-	  // are left endpoints or right endpoints.
-	  // not collinear
-	  if (signedArea(p1, e1.otherEvent.point, e2.otherEvent.point) !== 0) {
-	    // the event associate to the bottom segment is processed first
-	    return (!e1.isBelow(e2.otherEvent.point)) ? 1 : -1;
-	  }
-
-	  return (!e1.isSubject && e2.isSubject) ? 1 : -1;
-	}
-	/* eslint-enable no-unused-vars */
-
-	/**
-	 * @param  {SweepEvent} se
-	 * @param  {Array.<Number>} p
-	 * @param  {Queue} queue
-	 * @return {Queue}
-	 */
-	function divideSegment(se, p, queue)  {
-	  const r = new SweepEvent(p, false, se,            se.isSubject);
-	  const l = new SweepEvent(p, true,  se.otherEvent, se.isSubject);
-
-	  /* eslint-disable no-console */
-	  if (equals(se.point, se.otherEvent.point)) {
-	    console.warn('what is that, a collapsed segment?', se);
-	  }
-	  /* eslint-enable no-console */
-
-	  r.contourId = l.contourId = se.contourId;
-
-	  // avoid a rounding error. The left event would be processed after the right event
-	  if (compareEvents(l, se.otherEvent) > 0) {
-	    se.otherEvent.left = true;
-	    l.left = false;
-	  }
-
-	  // avoid a rounding error. The left event would be processed after the right event
-	  // if (compareEvents(se, r) > 0) {}
-
-	  se.otherEvent.otherEvent = l;
-	  se.otherEvent = r;
-
-	  queue.push(l);
-	  queue.push(r);
-
-	  return queue;
-	}
-
-	//const EPS = 1e-9;
-
-	/**
-	 * Finds the magnitude of the cross product of two vectors (if we pretend
-	 * they're in three dimensions)
-	 *
-	 * @param {Object} a First vector
-	 * @param {Object} b Second vector
-	 * @private
-	 * @returns {Number} The magnitude of the cross product
-	 */
-	function crossProduct(a, b) {
-	  return (a[0] * b[1]) - (a[1] * b[0]);
-	}
-
-	/**
-	 * Finds the dot product of two vectors.
-	 *
-	 * @param {Object} a First vector
-	 * @param {Object} b Second vector
-	 * @private
-	 * @returns {Number} The dot product
-	 */
-	function dotProduct(a, b) {
-	  return (a[0] * b[0]) + (a[1] * b[1]);
-	}
-
-	/**
-	 * Finds the intersection (if any) between two line segments a and b, given the
-	 * line segments' end points a1, a2 and b1, b2.
-	 *
-	 * This algorithm is based on Schneider and Eberly.
-	 * http://www.cimec.org.ar/~ncalvo/Schneider_Eberly.pdf
-	 * Page 244.
-	 *
-	 * @param {Array.<Number>} a1 point of first line
-	 * @param {Array.<Number>} a2 point of first line
-	 * @param {Array.<Number>} b1 point of second line
-	 * @param {Array.<Number>} b2 point of second line
-	 * @param {Boolean=}       noEndpointTouch whether to skip single touchpoints
-	 *                                         (meaning connected segments) as
-	 *                                         intersections
-	 * @returns {Array.<Array.<Number>>|Null} If the lines intersect, the point of
-	 * intersection. If they overlap, the two end points of the overlapping segment.
-	 * Otherwise, null.
-	 */
-	function intersection (a1, a2, b1, b2, noEndpointTouch) {
-	  // The algorithm expects our lines in the form P + sd, where P is a point,
-	  // s is on the interval [0, 1], and d is a vector.
-	  // We are passed two points. P can be the first point of each pair. The
-	  // vector, then, could be thought of as the distance (in x and y components)
-	  // from the first point to the second point.
-	  // So first, let's make our vectors:
-	  const va = [a2[0] - a1[0], a2[1] - a1[1]];
-	  const vb = [b2[0] - b1[0], b2[1] - b1[1]];
-	  // We also define a function to convert back to regular point form:
-
-	  /* eslint-disable arrow-body-style */
-
-	  function toPoint(p, s, d) {
-	    return [
-	      p[0] + s * d[0],
-	      p[1] + s * d[1]
-	    ];
-	  }
-
-	  /* eslint-enable arrow-body-style */
-
-	  // The rest is pretty much a straight port of the algorithm.
-	  const e = [b1[0] - a1[0], b1[1] - a1[1]];
-	  let kross    = crossProduct(va, vb);
-	  let sqrKross = kross * kross;
-	  const sqrLenA  = dotProduct(va, va);
-	  //const sqrLenB  = dotProduct(vb, vb);
-
-	  // Check for line intersection. This works because of the properties of the
-	  // cross product -- specifically, two vectors are parallel if and only if the
-	  // cross product is the 0 vector. The full calculation involves relative error
-	  // to account for possible very small line segments. See Schneider & Eberly
-	  // for details.
-	  if (sqrKross > 0/* EPS * sqrLenB * sqLenA */) {
-	    // If they're not parallel, then (because these are line segments) they
-	    // still might not actually intersect. This code checks that the
-	    // intersection point of the lines is actually on both line segments.
-	    const s = crossProduct(e, vb) / kross;
-	    if (s < 0 || s > 1) {
-	      // not on line segment a
-	      return null;
-	    }
-	    const t = crossProduct(e, va) / kross;
-	    if (t < 0 || t > 1) {
-	      // not on line segment b
-	      return null;
-	    }
-	    if (s === 0 || s === 1) {
-	      // on an endpoint of line segment a
-	      return noEndpointTouch ? null : [toPoint(a1, s, va)];
-	    }
-	    if (t === 0 || t === 1) {
-	      // on an endpoint of line segment b
-	      return noEndpointTouch ? null : [toPoint(b1, t, vb)];
-	    }
-	    return [toPoint(a1, s, va)];
-	  }
-
-	  // If we've reached this point, then the lines are either parallel or the
-	  // same, but the segments could overlap partially or fully, or not at all.
-	  // So we need to find the overlap, if any. To do that, we can use e, which is
-	  // the (vector) difference between the two initial points. If this is parallel
-	  // with the line itself, then the two lines are the same line, and there will
-	  // be overlap.
-	  //const sqrLenE = dotProduct(e, e);
-	  kross = crossProduct(e, va);
-	  sqrKross = kross * kross;
-
-	  if (sqrKross > 0 /* EPS * sqLenB * sqLenE */) {
-	  // Lines are just parallel, not the same. No overlap.
-	    return null;
-	  }
-
-	  const sa = dotProduct(va, e) / sqrLenA;
-	  const sb = sa + dotProduct(va, vb) / sqrLenA;
-	  const smin = Math.min(sa, sb);
-	  const smax = Math.max(sa, sb);
-
-	  // this is, essentially, the FindIntersection acting on floats from
-	  // Schneider & Eberly, just inlined into this function.
-	  if (smin <= 1 && smax >= 0) {
-
-	    // overlap on an end point
-	    if (smin === 1) {
-	      return noEndpointTouch ? null : [toPoint(a1, smin > 0 ? smin : 0, va)];
-	    }
-
-	    if (smax === 0) {
-	      return noEndpointTouch ? null : [toPoint(a1, smax < 1 ? smax : 1, va)];
-	    }
-
-	    if (noEndpointTouch && smin === 0 && smax === 1) return null;
-
-	    // There's overlap on a segment -- two points of intersection. Return both.
-	    return [
-	      toPoint(a1, smin > 0 ? smin : 0, va),
-	      toPoint(a1, smax < 1 ? smax : 1, va)
-	    ];
-	  }
-
-	  return null;
-	}
-
-	/**
-	 * @param  {SweepEvent} se1
-	 * @param  {SweepEvent} se2
-	 * @param  {Queue}      queue
-	 * @return {Number}
-	 */
-	function possibleIntersection (se1, se2, queue) {
-	  // that disallows self-intersecting polygons,
-	  // did cost us half a day, so I'll leave it
-	  // out of respect
-	  // if (se1.isSubject === se2.isSubject) return;
-	  const inter = intersection(
-	    se1.point, se1.otherEvent.point,
-	    se2.point, se2.otherEvent.point
-	  );
-
-	  const nintersections = inter ? inter.length : 0;
-	  if (nintersections === 0) return 0; // no intersection
-
-	  // the line segments intersect at an endpoint of both line segments
-	  if ((nintersections === 1) &&
-	      (equals(se1.point, se2.point) ||
-	       equals(se1.otherEvent.point, se2.otherEvent.point))) {
-	    return 0;
-	  }
-
-	  if (nintersections === 2 && se1.isSubject === se2.isSubject) {
-	    // if(se1.contourId === se2.contourId){
-	    // console.warn('Edges of the same polygon overlap',
-	    //   se1.point, se1.otherEvent.point, se2.point, se2.otherEvent.point);
-	    // }
-	    //throw new Error('Edges of the same polygon overlap');
-	    return 0;
-	  }
-
-	  // The line segments associated to se1 and se2 intersect
-	  if (nintersections === 1) {
-
-	    // if the intersection point is not an endpoint of se1
-	    if (!equals(se1.point, inter[0]) && !equals(se1.otherEvent.point, inter[0])) {
-	      divideSegment(se1, inter[0], queue);
-	    }
-
-	    // if the intersection point is not an endpoint of se2
-	    if (!equals(se2.point, inter[0]) && !equals(se2.otherEvent.point, inter[0])) {
-	      divideSegment(se2, inter[0], queue);
-	    }
-	    return 1;
-	  }
-
-	  // The line segments associated to se1 and se2 overlap
-	  const events        = [];
-	  let leftCoincide  = false;
-	  let rightCoincide = false;
-
-	  if (equals(se1.point, se2.point)) {
-	    leftCoincide = true; // linked
-	  } else if (compareEvents(se1, se2) === 1) {
-	    events.push(se2, se1);
-	  } else {
-	    events.push(se1, se2);
-	  }
-
-	  if (equals(se1.otherEvent.point, se2.otherEvent.point)) {
-	    rightCoincide = true;
-	  } else if (compareEvents(se1.otherEvent, se2.otherEvent) === 1) {
-	    events.push(se2.otherEvent, se1.otherEvent);
-	  } else {
-	    events.push(se1.otherEvent, se2.otherEvent);
-	  }
-
-	  if ((leftCoincide && rightCoincide) || leftCoincide) {
-	    // both line segments are equal or share the left endpoint
-	    se2.type = NON_CONTRIBUTING;
-	    se1.type = (se2.inOut === se1.inOut)
-	      ? SAME_TRANSITION : DIFFERENT_TRANSITION;
-
-	    if (leftCoincide && !rightCoincide) {
-	      // honestly no idea, but changing events selection from [2, 1]
-	      // to [0, 1] fixes the overlapping self-intersecting polygons issue
-	      divideSegment(events[1].otherEvent, events[0].point, queue);
-	    }
-	    return 2;
-	  }
-
-	  // the line segments share the right endpoint
-	  if (rightCoincide) {
-	    divideSegment(events[0], events[1].point, queue);
-	    return 3;
-	  }
-
-	  // no line segment includes totally the other one
-	  if (events[0] !== events[3].otherEvent) {
-	    divideSegment(events[0], events[1].point, queue);
-	    divideSegment(events[1], events[2].point, queue);
-	    return 3;
-	  }
-
-	  // one line segment includes the other one
-	  divideSegment(events[0], events[1].point, queue);
-	  divideSegment(events[3].otherEvent, events[2].point, queue);
-
-	  return 3;
-	}
-
-	/**
-	 * @param  {SweepEvent} le1
-	 * @param  {SweepEvent} le2
-	 * @return {Number}
-	 */
-	function compareSegments(le1, le2) {
-	  if (le1 === le2) return 0;
-
-	  // Segments are not collinear
-	  if (signedArea(le1.point, le1.otherEvent.point, le2.point) !== 0 ||
-	    signedArea(le1.point, le1.otherEvent.point, le2.otherEvent.point) !== 0) {
-
-	    // If they share their left endpoint use the right endpoint to sort
-	    if (equals(le1.point, le2.point)) return le1.isBelow(le2.otherEvent.point) ? -1 : 1;
-
-	    // Different left endpoint: use the left endpoint to sort
-	    if (le1.point[0] === le2.point[0]) return le1.point[1] < le2.point[1] ? -1 : 1;
-
-	    // has the line segment associated to e1 been inserted
-	    // into S after the line segment associated to e2 ?
-	    if (compareEvents(le1, le2) === 1) return le2.isAbove(le1.point) ? -1 : 1;
-
-	    // The line segment associated to e2 has been inserted
-	    // into S after the line segment associated to e1
-	    return le1.isBelow(le2.point) ? -1 : 1;
-	  }
-
-	  if (le1.isSubject === le2.isSubject) { // same polygon
-	    let p1 = le1.point, p2 = le2.point;
-	    if (p1[0] === p2[0] && p1[1] === p2[1]/*equals(le1.point, le2.point)*/) {
-	      p1 = le1.otherEvent.point; p2 = le2.otherEvent.point;
-	      if (p1[0] === p2[0] && p1[1] === p2[1]) return 0;
-	      else return le1.contourId > le2.contourId ? 1 : -1;
-	    }
-	  } else { // Segments are collinear, but belong to separate polygons
-	    return le1.isSubject ? -1 : 1;
-	  }
-
-	  return compareEvents(le1, le2) === 1 ? 1 : -1;
-	}
-
-	function subdivide(eventQueue, subject, clipping, sbbox, cbbox, operation) {
-	  const sweepLine = new SplayTree(compareSegments);
-	  const sortedEvents = [];
-
-	  const rightbound = Math.min(sbbox[2], cbbox[2]);
-
-	  let prev, next, begin;
-
-	  while (eventQueue.length !== 0) {
-	    let event = eventQueue.pop();
-	    sortedEvents.push(event);
-
-	    // optimization by bboxes for intersection and difference goes here
-	    if ((operation === INTERSECTION && event.point[0] > rightbound) ||
-	        (operation === DIFFERENCE   && event.point[0] > sbbox[2])) {
-	      break;
-	    }
-
-	    if (event.left) {
-	      next  = prev = sweepLine.insert(event);
-	      begin = sweepLine.minNode();
-
-	      if (prev !== begin) prev = sweepLine.prev(prev);
-	      else                prev = null;
-
-	      next = sweepLine.next(next);
-
-	      const prevEvent = prev ? prev.key : null;
-	      let prevprevEvent;
-	      computeFields(event, prevEvent, operation);
-	      if (next) {
-	        if (possibleIntersection(event, next.key, eventQueue) === 2) {
-	          computeFields(event, prevEvent, operation);
-	          computeFields(event, next.key, operation);
-	        }
-	      }
-
-	      if (prev) {
-	        if (possibleIntersection(prev.key, event, eventQueue) === 2) {
-	          let prevprev = prev;
-	          if (prevprev !== begin) prevprev = sweepLine.prev(prevprev);
-	          else                    prevprev = null;
-
-	          prevprevEvent = prevprev ? prevprev.key : null;
-	          computeFields(prevEvent, prevprevEvent, operation);
-	          computeFields(event,     prevEvent,     operation);
-	        }
-	      }
-	    } else {
-	      event = event.otherEvent;
-	      next = prev = sweepLine.find(event);
-
-	      if (prev && next) {
-
-	        if (prev !== begin) prev = sweepLine.prev(prev);
-	        else                prev = null;
-
-	        next = sweepLine.next(next);
-	        sweepLine.remove(event);
-
-	        if (next && prev) {
-	          possibleIntersection(prev.key, next.key, eventQueue);
-	        }
-	      }
-	    }
-	  }
-	  return sortedEvents;
-	}
-
-	class Contour {
-
-	  /**
-	   * Contour
-	   *
-	   * @class {Contour}
-	   */
-	  constructor() {
-	    this.points = [];
-	    this.holeIds = [];
-	    this.holeOf = null;
-	    this.depth = null;
-	  }
-
-	  isExterior() {
-	    return this.holeOf == null;
-	  }
-
-	}
-
-	/**
-	 * @param  {Array.<SweepEvent>} sortedEvents
-	 * @return {Array.<SweepEvent>}
-	 */
-	function orderEvents(sortedEvents) {
-	  let event, i, len, tmp;
-	  const resultEvents = [];
-	  for (i = 0, len = sortedEvents.length; i < len; i++) {
-	    event = sortedEvents[i];
-	    if ((event.left && event.inResult) ||
-	      (!event.left && event.otherEvent.inResult)) {
-	      resultEvents.push(event);
-	    }
-	  }
-	  // Due to overlapping edges the resultEvents array can be not wholly sorted
-	  let sorted = false;
-	  while (!sorted) {
-	    sorted = true;
-	    for (i = 0, len = resultEvents.length; i < len; i++) {
-	      if ((i + 1) < len &&
-	        compareEvents(resultEvents[i], resultEvents[i + 1]) === 1) {
-	        tmp = resultEvents[i];
-	        resultEvents[i] = resultEvents[i + 1];
-	        resultEvents[i + 1] = tmp;
-	        sorted = false;
-	      }
-	    }
-	  }
-
-
-	  for (i = 0, len = resultEvents.length; i < len; i++) {
-	    event = resultEvents[i];
-	    event.otherPos = i;
-	  }
-
-	  // imagine, the right event is found in the beginning of the queue,
-	  // when his left counterpart is not marked yet
-	  for (i = 0, len = resultEvents.length; i < len; i++) {
-	    event = resultEvents[i];
-	    if (!event.left) {
-	      tmp = event.otherPos;
-	      event.otherPos = event.otherEvent.otherPos;
-	      event.otherEvent.otherPos = tmp;
-	    }
-	  }
-
-	  return resultEvents;
-	}
-
-
-	/**
-	 * @param  {Number} pos
-	 * @param  {Array.<SweepEvent>} resultEvents
-	 * @param  {Object>}    processed
-	 * @return {Number}
-	 */
-	function nextPos(pos, resultEvents, processed, origPos) {
-	  let newPos = pos + 1,
-	      p = resultEvents[pos].point,
-	      p1;
-	  const length = resultEvents.length;
-
-	  if (newPos < length)
-	    p1 = resultEvents[newPos].point;
-
-	  while (newPos < length && p1[0] === p[0] && p1[1] === p[1]) {
-	    if (!processed[newPos]) {
-	      return newPos;
-	    } else   {
-	      newPos++;
-	    }
-	    p1 = resultEvents[newPos].point;
-	  }
-
-	  newPos = pos - 1;
-
-	  while (processed[newPos] && newPos > origPos) {
-	    newPos--;
-	  }
-
-	  return newPos;
-	}
-
-
-	function initializeContourFromContext(event, contours, contourId) {
-	  const contour = new Contour();
-	  if (event.prevInResult != null) {
-	    const prevInResult = event.prevInResult;
-	    // Note that it is valid to query the "previous in result" for its output contour id,
-	    // because we must have already processed it (i.e., assigned an output contour id)
-	    // in an earlier iteration, otherwise it wouldn't be possible that it is "previous in
-	    // result".
-	    const lowerContourId = prevInResult.outputContourId;
-	    const lowerResultTransition = prevInResult.resultTransition;
-	    if (lowerResultTransition > 0) {
-	      // We are inside. Now we have to check if the thing below us is another hole or
-	      // an exterior contour.
-	      const lowerContour = contours[lowerContourId];
-	      if (lowerContour.holeOf != null) {
-	        // The lower contour is a hole => Connect the new contour as a hole to its parent,
-	        // and use same depth.
-	        const parentContourId = lowerContour.holeOf;
-	        contours[parentContourId].holeIds.push(contourId);
-	        contour.holeOf = parentContourId;
-	        contour.depth = contours[lowerContourId].depth;
-	      } else {
-	        // The lower contour is an exterior contour => Connect the new contour as a hole,
-	        // and increment depth.
-	        contours[lowerContourId].holeIds.push(contourId);
-	        contour.holeOf = lowerContourId;
-	        contour.depth = contours[lowerContourId].depth + 1;
-	      }
-	    } else {
-	      // We are outside => this contour is an exterior contour of same depth.
-	      contour.holeOf = null;
-	      contour.depth = contours[lowerContourId].depth;
-	    }
-	  } else {
-	    // There is no lower/previous contour => this contour is an exterior contour of depth 0.
-	    contour.holeOf = null;
-	    contour.depth = 0;
-	  }
-	  return contour;
-	}
-
-	/**
-	 * @param  {Array.<SweepEvent>} sortedEvents
-	 * @return {Array.<*>} polygons
-	 */
-	function connectEdges(sortedEvents) {
-	  let i, len;
-	  const resultEvents = orderEvents(sortedEvents);
-
-	  // "false"-filled array
-	  const processed = {};
-	  const contours = [];
-
-	  for (i = 0, len = resultEvents.length; i < len; i++) {
-
-	    if (processed[i]) {
-	      continue;
-	    }
-
-	    const contourId = contours.length;
-	    const contour = initializeContourFromContext(resultEvents[i], contours, contourId);
-
-	    // Helper function that combines marking an event as processed with assigning its output contour ID
-	    const markAsProcessed = (pos) => {
-	      processed[pos] = true;
-	      resultEvents[pos].outputContourId = contourId;
-	    };
-
-	    let pos = i;
-	    let origPos = i;
-
-	    const initial = resultEvents[i].point;
-	    contour.points.push(initial);
-
-	    /* eslint no-constant-condition: "off" */
-	    while (true) {
-	      markAsProcessed(pos);
-
-	      pos = resultEvents[pos].otherPos;
-
-	      markAsProcessed(pos);
-	      contour.points.push(resultEvents[pos].point);
-
-	      pos = nextPos(pos, resultEvents, processed, origPos);
-
-	      if (pos == origPos) {
-	        break;
-	      }
-	    }
-
-	    contours.push(contour);
-	  }
-
-	  return contours;
-	}
-
-	var tinyqueue = TinyQueue;
-	var _default$1 = TinyQueue;
-
-	function TinyQueue(data, compare) {
-	    if (!(this instanceof TinyQueue)) return new TinyQueue(data, compare);
-
-	    this.data = data || [];
-	    this.length = this.data.length;
-	    this.compare = compare || defaultCompare$1;
-
-	    if (this.length > 0) {
-	        for (var i = (this.length >> 1) - 1; i >= 0; i--) this._down(i);
-	    }
-	}
-
-	function defaultCompare$1(a, b) {
-	    return a < b ? -1 : a > b ? 1 : 0;
-	}
-
-	TinyQueue.prototype = {
-
-	    push: function (item) {
-	        this.data.push(item);
-	        this.length++;
-	        this._up(this.length - 1);
-	    },
-
-	    pop: function () {
-	        if (this.length === 0) return undefined;
-
-	        var top = this.data[0];
-	        this.length--;
-
-	        if (this.length > 0) {
-	            this.data[0] = this.data[this.length];
-	            this._down(0);
-	        }
-	        this.data.pop();
-
-	        return top;
-	    },
-
-	    peek: function () {
-	        return this.data[0];
-	    },
-
-	    _up: function (pos) {
-	        var data = this.data;
-	        var compare = this.compare;
-	        var item = data[pos];
-
-	        while (pos > 0) {
-	            var parent = (pos - 1) >> 1;
-	            var current = data[parent];
-	            if (compare(item, current) >= 0) break;
-	            data[pos] = current;
-	            pos = parent;
-	        }
-
-	        data[pos] = item;
-	    },
-
-	    _down: function (pos) {
-	        var data = this.data;
-	        var compare = this.compare;
-	        var halfLength = this.length >> 1;
-	        var item = data[pos];
-
-	        while (pos < halfLength) {
-	            var left = (pos << 1) + 1;
-	            var right = left + 1;
-	            var best = data[left];
-
-	            if (right < this.length && compare(data[right], best) < 0) {
-	                left = right;
-	                best = data[right];
-	            }
-	            if (compare(best, item) >= 0) break;
-
-	            data[pos] = best;
-	            pos = left;
-	        }
-
-	        data[pos] = item;
-	    }
-	};
-	tinyqueue.default = _default$1;
-
-	const max$2 = Math.max;
-	const min = Math.min;
-
-	let contourId = 0;
-
-
-	function processPolygon(contourOrHole, isSubject, depth, Q, bbox, isExteriorRing) {
-	  let i, len, s1, s2, e1, e2;
-	  for (i = 0, len = contourOrHole.length - 1; i < len; i++) {
-	    s1 = contourOrHole[i];
-	    s2 = contourOrHole[i + 1];
-	    e1 = new SweepEvent(s1, false, undefined, isSubject);
-	    e2 = new SweepEvent(s2, false, e1,        isSubject);
-	    e1.otherEvent = e2;
-
-	    if (s1[0] === s2[0] && s1[1] === s2[1]) {
-	      continue; // skip collapsed edges, or it breaks
-	    }
-
-	    e1.contourId = e2.contourId = depth;
-	    if (!isExteriorRing) {
-	      e1.isExteriorRing = false;
-	      e2.isExteriorRing = false;
-	    }
-	    if (compareEvents(e1, e2) > 0) {
-	      e2.left = true;
-	    } else {
-	      e1.left = true;
-	    }
-
-	    const x = s1[0], y = s1[1];
-	    bbox[0] = min(bbox[0], x);
-	    bbox[1] = min(bbox[1], y);
-	    bbox[2] = max$2(bbox[2], x);
-	    bbox[3] = max$2(bbox[3], y);
-
-	    // Pushing it so the queue is sorted from left to right,
-	    // with object on the left having the highest priority.
-	    Q.push(e1);
-	    Q.push(e2);
-	  }
-	}
-
-
-	function fillQueue(subject, clipping, sbbox, cbbox, operation) {
-	  const eventQueue = new tinyqueue(null, compareEvents);
-	  let polygonSet, isExteriorRing, i, ii, j, jj; //, k, kk;
-
-	  for (i = 0, ii = subject.length; i < ii; i++) {
-	    polygonSet = subject[i];
-	    for (j = 0, jj = polygonSet.length; j < jj; j++) {
-	      isExteriorRing = j === 0;
-	      if (isExteriorRing) contourId++;
-	      processPolygon(polygonSet[j], true, contourId, eventQueue, sbbox, isExteriorRing);
-	    }
-	  }
-
-	  for (i = 0, ii = clipping.length; i < ii; i++) {
-	    polygonSet = clipping[i];
-	    for (j = 0, jj = polygonSet.length; j < jj; j++) {
-	      isExteriorRing = j === 0;
-	      if (operation === DIFFERENCE) isExteriorRing = false;
-	      if (isExteriorRing) contourId++;
-	      processPolygon(polygonSet[j], false, contourId, eventQueue, cbbox, isExteriorRing);
-	    }
-	  }
-
-	  return eventQueue;
-	}
-
-	const EMPTY = [];
-
-
-	function trivialOperation(subject, clipping, operation) {
-	  let result = null;
-	  if (subject.length * clipping.length === 0) {
-	    if        (operation === INTERSECTION) {
-	      result = EMPTY;
-	    } else if (operation === DIFFERENCE) {
-	      result = subject;
-	    } else if (operation === UNION ||
-	               operation === XOR) {
-	      result = (subject.length === 0) ? clipping : subject;
-	    }
-	  }
-	  return result;
-	}
-
-
-	function compareBBoxes(subject, clipping, sbbox, cbbox, operation) {
-	  let result = null;
-	  if (sbbox[0] > cbbox[2] ||
-	      cbbox[0] > sbbox[2] ||
-	      sbbox[1] > cbbox[3] ||
-	      cbbox[1] > sbbox[3]) {
-	    if        (operation === INTERSECTION) {
-	      result = EMPTY;
-	    } else if (operation === DIFFERENCE) {
-	      result = subject;
-	    } else if (operation === UNION ||
-	               operation === XOR) {
-	      result = subject.concat(clipping);
-	    }
-	  }
-	  return result;
-	}
-
-
-	function boolean(subject, clipping, operation) {
-	  if (typeof subject[0][0][0] === 'number') {
-	    subject = [subject];
-	  }
-	  if (typeof clipping[0][0][0] === 'number') {
-	    clipping = [clipping];
-	  }
-	  let trivial = trivialOperation(subject, clipping, operation);
-	  if (trivial) {
-	    return trivial === EMPTY ? null : trivial;
-	  }
-	  const sbbox = [Infinity, Infinity, -Infinity, -Infinity];
-	  const cbbox = [Infinity, Infinity, -Infinity, -Infinity];
-
-	  // console.time('fill queue');
-	  const eventQueue = fillQueue(subject, clipping, sbbox, cbbox, operation);
-	  //console.timeEnd('fill queue');
-
-	  trivial = compareBBoxes(subject, clipping, sbbox, cbbox, operation);
-	  if (trivial) {
-	    return trivial === EMPTY ? null : trivial;
-	  }
-	  // console.time('subdivide edges');
-	  const sortedEvents = subdivide(eventQueue, subject, clipping, sbbox, cbbox, operation);
-	  //console.timeEnd('subdivide edges');
-
-	  // console.time('connect vertices');
-	  const contours = connectEdges(sortedEvents);
-	  //console.timeEnd('connect vertices');
-
-	  // Convert contours to polygons
-	  const polygons = [];
-	  for (let i = 0; i < contours.length; i++) {
-	    let contour = contours[i];
-	    if (contour.isExterior()) {
-	      // The exterior ring goes first
-	      let rings = [contour.points];
-	      // Followed by holes if any
-	      for (let j = 0; j < contour.holeIds.length; j++) {
-	        let holeId = contour.holeIds[j];
-	        rings.push(contours[holeId].points);
-	      }
-	      polygons.push(rings);
-	    }
-	  }
-
-	  return polygons;
-	}
-
-	function union (subject, clipping) {
-	  return boolean(subject, clipping, UNION);
-	}
-
-	var read$6 = function (buffer, offset, isLE, mLen, nBytes) {
-	  var e, m;
-	  var eLen = (nBytes * 8) - mLen - 1;
-	  var eMax = (1 << eLen) - 1;
-	  var eBias = eMax >> 1;
-	  var nBits = -7;
-	  var i = isLE ? (nBytes - 1) : 0;
-	  var d = isLE ? -1 : 1;
-	  var s = buffer[offset + i];
-
-	  i += d;
-
-	  e = s & ((1 << (-nBits)) - 1);
-	  s >>= (-nBits);
-	  nBits += eLen;
-	  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}
-
-	  m = e & ((1 << (-nBits)) - 1);
-	  e >>= (-nBits);
-	  nBits += mLen;
-	  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}
-
-	  if (e === 0) {
-	    e = 1 - eBias;
-	  } else if (e === eMax) {
-	    return m ? NaN : ((s ? -1 : 1) * Infinity)
-	  } else {
-	    m = m + Math.pow(2, mLen);
-	    e = e - eBias;
-	  }
-	  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
-	};
-
-	var write$6 = function (buffer, value, offset, isLE, mLen, nBytes) {
-	  var e, m, c;
-	  var eLen = (nBytes * 8) - mLen - 1;
-	  var eMax = (1 << eLen) - 1;
-	  var eBias = eMax >> 1;
-	  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0);
-	  var i = isLE ? 0 : (nBytes - 1);
-	  var d = isLE ? 1 : -1;
-	  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0;
-
-	  value = Math.abs(value);
-
-	  if (isNaN(value) || value === Infinity) {
-	    m = isNaN(value) ? 1 : 0;
-	    e = eMax;
-	  } else {
-	    e = Math.floor(Math.log(value) / Math.LN2);
-	    if (value * (c = Math.pow(2, -e)) < 1) {
-	      e--;
-	      c *= 2;
-	    }
-	    if (e + eBias >= 1) {
-	      value += rt / c;
-	    } else {
-	      value += rt * Math.pow(2, 1 - eBias);
-	    }
-	    if (value * c >= 2) {
-	      e++;
-	      c /= 2;
-	    }
-
-	    if (e + eBias >= eMax) {
-	      m = 0;
-	      e = eMax;
-	    } else if (e + eBias >= 1) {
-	      m = ((value * c) - 1) * Math.pow(2, mLen);
-	      e = e + eBias;
-	    } else {
-	      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
-	      e = 0;
-	    }
-	  }
-
-	  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
-
-	  e = (e << mLen) | m;
-	  eLen += mLen;
-	  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
-
-	  buffer[offset + i - d] |= s * 128;
-	};
-
-	var ieee754 = {
-		read: read$6,
-		write: write$6
-	};
-
-	var pbf = Pbf;
-
-
-
-	function Pbf(buf) {
-	    this.buf = ArrayBuffer.isView && ArrayBuffer.isView(buf) ? buf : new Uint8Array(buf || 0);
-	    this.pos = 0;
-	    this.type = 0;
-	    this.length = this.buf.length;
-	}
-
-	Pbf.Varint  = 0; // varint: int32, int64, uint32, uint64, sint32, sint64, bool, enum
-	Pbf.Fixed64 = 1; // 64-bit: double, fixed64, sfixed64
-	Pbf.Bytes   = 2; // length-delimited: string, bytes, embedded messages, packed repeated fields
-	Pbf.Fixed32 = 5; // 32-bit: float, fixed32, sfixed32
-
-	var SHIFT_LEFT_32 = (1 << 16) * (1 << 16),
-	    SHIFT_RIGHT_32 = 1 / SHIFT_LEFT_32;
-
-	// Threshold chosen based on both benchmarking and knowledge about browser string
-	// data structures (which currently switch structure types at 12 bytes or more)
-	var TEXT_DECODER_MIN_LENGTH = 12;
-	var utf8TextDecoder = typeof TextDecoder === 'undefined' ? null : new TextDecoder('utf8');
-
-	Pbf.prototype = {
-
-	    destroy: function() {
-	        this.buf = null;
-	    },
-
-	    // === READING =================================================================
-
-	    readFields: function(readField, result, end) {
-	        end = end || this.length;
-
-	        while (this.pos < end) {
-	            var val = this.readVarint(),
-	                tag = val >> 3,
-	                startPos = this.pos;
-
-	            this.type = val & 0x7;
-	            readField(tag, result, this);
-
-	            if (this.pos === startPos) this.skip(val);
-	        }
-	        return result;
-	    },
-
-	    readMessage: function(readField, result) {
-	        return this.readFields(readField, result, this.readVarint() + this.pos);
-	    },
-
-	    readFixed32: function() {
-	        var val = readUInt32(this.buf, this.pos);
-	        this.pos += 4;
-	        return val;
-	    },
-
-	    readSFixed32: function() {
-	        var val = readInt32(this.buf, this.pos);
-	        this.pos += 4;
-	        return val;
-	    },
-
-	    // 64-bit int handling is based on github.com/dpw/node-buffer-more-ints (MIT-licensed)
-
-	    readFixed64: function() {
-	        var val = readUInt32(this.buf, this.pos) + readUInt32(this.buf, this.pos + 4) * SHIFT_LEFT_32;
-	        this.pos += 8;
-	        return val;
-	    },
-
-	    readSFixed64: function() {
-	        var val = readUInt32(this.buf, this.pos) + readInt32(this.buf, this.pos + 4) * SHIFT_LEFT_32;
-	        this.pos += 8;
-	        return val;
-	    },
-
-	    readFloat: function() {
-	        var val = ieee754.read(this.buf, this.pos, true, 23, 4);
-	        this.pos += 4;
-	        return val;
-	    },
-
-	    readDouble: function() {
-	        var val = ieee754.read(this.buf, this.pos, true, 52, 8);
-	        this.pos += 8;
-	        return val;
-	    },
-
-	    readVarint: function(isSigned) {
-	        var buf = this.buf,
-	            val, b;
-
-	        b = buf[this.pos++]; val  =  b & 0x7f;        if (b < 0x80) return val;
-	        b = buf[this.pos++]; val |= (b & 0x7f) << 7;  if (b < 0x80) return val;
-	        b = buf[this.pos++]; val |= (b & 0x7f) << 14; if (b < 0x80) return val;
-	        b = buf[this.pos++]; val |= (b & 0x7f) << 21; if (b < 0x80) return val;
-	        b = buf[this.pos];   val |= (b & 0x0f) << 28;
-
-	        return readVarintRemainder(val, isSigned, this);
-	    },
-
-	    readVarint64: function() { // for compatibility with v2.0.1
-	        return this.readVarint(true);
-	    },
-
-	    readSVarint: function() {
-	        var num = this.readVarint();
-	        return num % 2 === 1 ? (num + 1) / -2 : num / 2; // zigzag encoding
-	    },
-
-	    readBoolean: function() {
-	        return Boolean(this.readVarint());
-	    },
-
-	    readString: function() {
-	        var end = this.readVarint() + this.pos;
-	        var pos = this.pos;
-	        this.pos = end;
-
-	        if (end - pos >= TEXT_DECODER_MIN_LENGTH && utf8TextDecoder) {
-	            // longer strings are fast with the built-in browser TextDecoder API
-	            return readUtf8TextDecoder(this.buf, pos, end);
-	        }
-	        // short strings are fast with our custom implementation
-	        return readUtf8(this.buf, pos, end);
-	    },
-
-	    readBytes: function() {
-	        var end = this.readVarint() + this.pos,
-	            buffer = this.buf.subarray(this.pos, end);
-	        this.pos = end;
-	        return buffer;
-	    },
-
-	    // verbose for performance reasons; doesn't affect gzipped size
-
-	    readPackedVarint: function(arr, isSigned) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readVarint(isSigned));
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readVarint(isSigned));
-	        return arr;
-	    },
-	    readPackedSVarint: function(arr) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readSVarint());
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readSVarint());
-	        return arr;
-	    },
-	    readPackedBoolean: function(arr) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readBoolean());
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readBoolean());
-	        return arr;
-	    },
-	    readPackedFloat: function(arr) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readFloat());
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readFloat());
-	        return arr;
-	    },
-	    readPackedDouble: function(arr) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readDouble());
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readDouble());
-	        return arr;
-	    },
-	    readPackedFixed32: function(arr) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readFixed32());
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readFixed32());
-	        return arr;
-	    },
-	    readPackedSFixed32: function(arr) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readSFixed32());
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readSFixed32());
-	        return arr;
-	    },
-	    readPackedFixed64: function(arr) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readFixed64());
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readFixed64());
-	        return arr;
-	    },
-	    readPackedSFixed64: function(arr) {
-	        if (this.type !== Pbf.Bytes) return arr.push(this.readSFixed64());
-	        var end = readPackedEnd(this);
-	        arr = arr || [];
-	        while (this.pos < end) arr.push(this.readSFixed64());
-	        return arr;
-	    },
-
-	    skip: function(val) {
-	        var type = val & 0x7;
-	        if (type === Pbf.Varint) while (this.buf[this.pos++] > 0x7f) {}
-	        else if (type === Pbf.Bytes) this.pos = this.readVarint() + this.pos;
-	        else if (type === Pbf.Fixed32) this.pos += 4;
-	        else if (type === Pbf.Fixed64) this.pos += 8;
-	        else throw new Error('Unimplemented type: ' + type);
-	    },
-
-	    // === WRITING =================================================================
-
-	    writeTag: function(tag, type) {
-	        this.writeVarint((tag << 3) | type);
-	    },
-
-	    realloc: function(min) {
-	        var length = this.length || 16;
-
-	        while (length < this.pos + min) length *= 2;
-
-	        if (length !== this.length) {
-	            var buf = new Uint8Array(length);
-	            buf.set(this.buf);
-	            this.buf = buf;
-	            this.length = length;
-	        }
-	    },
-
-	    finish: function() {
-	        this.length = this.pos;
-	        this.pos = 0;
-	        return this.buf.subarray(0, this.length);
-	    },
-
-	    writeFixed32: function(val) {
-	        this.realloc(4);
-	        writeInt32(this.buf, val, this.pos);
-	        this.pos += 4;
-	    },
-
-	    writeSFixed32: function(val) {
-	        this.realloc(4);
-	        writeInt32(this.buf, val, this.pos);
-	        this.pos += 4;
-	    },
-
-	    writeFixed64: function(val) {
-	        this.realloc(8);
-	        writeInt32(this.buf, val & -1, this.pos);
-	        writeInt32(this.buf, Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);
-	        this.pos += 8;
-	    },
-
-	    writeSFixed64: function(val) {
-	        this.realloc(8);
-	        writeInt32(this.buf, val & -1, this.pos);
-	        writeInt32(this.buf, Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);
-	        this.pos += 8;
-	    },
-
-	    writeVarint: function(val) {
-	        val = +val || 0;
-
-	        if (val > 0xfffffff || val < 0) {
-	            writeBigVarint(val, this);
-	            return;
-	        }
-
-	        this.realloc(4);
-
-	        this.buf[this.pos++] =           val & 0x7f  | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
-	        this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
-	        this.buf[this.pos++] = ((val >>>= 7) & 0x7f) | (val > 0x7f ? 0x80 : 0); if (val <= 0x7f) return;
-	        this.buf[this.pos++] =   (val >>> 7) & 0x7f;
-	    },
-
-	    writeSVarint: function(val) {
-	        this.writeVarint(val < 0 ? -val * 2 - 1 : val * 2);
-	    },
-
-	    writeBoolean: function(val) {
-	        this.writeVarint(Boolean(val));
-	    },
-
-	    writeString: function(str) {
-	        str = String(str);
-	        this.realloc(str.length * 4);
-
-	        this.pos++; // reserve 1 byte for short string length
-
-	        var startPos = this.pos;
-	        // write the string directly to the buffer and see how much was written
-	        this.pos = writeUtf8(this.buf, str, this.pos);
-	        var len = this.pos - startPos;
-
-	        if (len >= 0x80) makeRoomForExtraLength(startPos, len, this);
-
-	        // finally, write the message length in the reserved place and restore the position
-	        this.pos = startPos - 1;
-	        this.writeVarint(len);
-	        this.pos += len;
-	    },
-
-	    writeFloat: function(val) {
-	        this.realloc(4);
-	        ieee754.write(this.buf, val, this.pos, true, 23, 4);
-	        this.pos += 4;
-	    },
-
-	    writeDouble: function(val) {
-	        this.realloc(8);
-	        ieee754.write(this.buf, val, this.pos, true, 52, 8);
-	        this.pos += 8;
-	    },
-
-	    writeBytes: function(buffer) {
-	        var len = buffer.length;
-	        this.writeVarint(len);
-	        this.realloc(len);
-	        for (var i = 0; i < len; i++) this.buf[this.pos++] = buffer[i];
-	    },
-
-	    writeRawMessage: function(fn, obj) {
-	        this.pos++; // reserve 1 byte for short message length
-
-	        // write the message directly to the buffer and see how much was written
-	        var startPos = this.pos;
-	        fn(obj, this);
-	        var len = this.pos - startPos;
-
-	        if (len >= 0x80) makeRoomForExtraLength(startPos, len, this);
-
-	        // finally, write the message length in the reserved place and restore the position
-	        this.pos = startPos - 1;
-	        this.writeVarint(len);
-	        this.pos += len;
-	    },
-
-	    writeMessage: function(tag, fn, obj) {
-	        this.writeTag(tag, Pbf.Bytes);
-	        this.writeRawMessage(fn, obj);
-	    },
-
-	    writePackedVarint:   function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedVarint, arr);   },
-	    writePackedSVarint:  function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedSVarint, arr);  },
-	    writePackedBoolean:  function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedBoolean, arr);  },
-	    writePackedFloat:    function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedFloat, arr);    },
-	    writePackedDouble:   function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedDouble, arr);   },
-	    writePackedFixed32:  function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedFixed32, arr);  },
-	    writePackedSFixed32: function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedSFixed32, arr); },
-	    writePackedFixed64:  function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedFixed64, arr);  },
-	    writePackedSFixed64: function(tag, arr) { if (arr.length) this.writeMessage(tag, writePackedSFixed64, arr); },
-
-	    writeBytesField: function(tag, buffer) {
-	        this.writeTag(tag, Pbf.Bytes);
-	        this.writeBytes(buffer);
-	    },
-	    writeFixed32Field: function(tag, val) {
-	        this.writeTag(tag, Pbf.Fixed32);
-	        this.writeFixed32(val);
-	    },
-	    writeSFixed32Field: function(tag, val) {
-	        this.writeTag(tag, Pbf.Fixed32);
-	        this.writeSFixed32(val);
-	    },
-	    writeFixed64Field: function(tag, val) {
-	        this.writeTag(tag, Pbf.Fixed64);
-	        this.writeFixed64(val);
-	    },
-	    writeSFixed64Field: function(tag, val) {
-	        this.writeTag(tag, Pbf.Fixed64);
-	        this.writeSFixed64(val);
-	    },
-	    writeVarintField: function(tag, val) {
-	        this.writeTag(tag, Pbf.Varint);
-	        this.writeVarint(val);
-	    },
-	    writeSVarintField: function(tag, val) {
-	        this.writeTag(tag, Pbf.Varint);
-	        this.writeSVarint(val);
-	    },
-	    writeStringField: function(tag, str) {
-	        this.writeTag(tag, Pbf.Bytes);
-	        this.writeString(str);
-	    },
-	    writeFloatField: function(tag, val) {
-	        this.writeTag(tag, Pbf.Fixed32);
-	        this.writeFloat(val);
-	    },
-	    writeDoubleField: function(tag, val) {
-	        this.writeTag(tag, Pbf.Fixed64);
-	        this.writeDouble(val);
-	    },
-	    writeBooleanField: function(tag, val) {
-	        this.writeVarintField(tag, Boolean(val));
-	    }
-	};
-
-	function readVarintRemainder(l, s, p) {
-	    var buf = p.buf,
-	        h, b;
-
-	    b = buf[p.pos++]; h  = (b & 0x70) >> 4;  if (b < 0x80) return toNum(l, h, s);
-	    b = buf[p.pos++]; h |= (b & 0x7f) << 3;  if (b < 0x80) return toNum(l, h, s);
-	    b = buf[p.pos++]; h |= (b & 0x7f) << 10; if (b < 0x80) return toNum(l, h, s);
-	    b = buf[p.pos++]; h |= (b & 0x7f) << 17; if (b < 0x80) return toNum(l, h, s);
-	    b = buf[p.pos++]; h |= (b & 0x7f) << 24; if (b < 0x80) return toNum(l, h, s);
-	    b = buf[p.pos++]; h |= (b & 0x01) << 31; if (b < 0x80) return toNum(l, h, s);
-
-	    throw new Error('Expected varint not more than 10 bytes');
-	}
-
-	function readPackedEnd(pbf) {
-	    return pbf.type === Pbf.Bytes ?
-	        pbf.readVarint() + pbf.pos : pbf.pos + 1;
-	}
-
-	function toNum(low, high, isSigned) {
-	    if (isSigned) {
-	        return high * 0x100000000 + (low >>> 0);
-	    }
-
-	    return ((high >>> 0) * 0x100000000) + (low >>> 0);
-	}
-
-	function writeBigVarint(val, pbf) {
-	    var low, high;
-
-	    if (val >= 0) {
-	        low  = (val % 0x100000000) | 0;
-	        high = (val / 0x100000000) | 0;
-	    } else {
-	        low  = ~(-val % 0x100000000);
-	        high = ~(-val / 0x100000000);
-
-	        if (low ^ 0xffffffff) {
-	            low = (low + 1) | 0;
-	        } else {
-	            low = 0;
-	            high = (high + 1) | 0;
-	        }
-	    }
-
-	    if (val >= 0x10000000000000000 || val < -0x10000000000000000) {
-	        throw new Error('Given varint doesn\'t fit into 10 bytes');
-	    }
-
-	    pbf.realloc(10);
-
-	    writeBigVarintLow(low, high, pbf);
-	    writeBigVarintHigh(high, pbf);
-	}
-
-	function writeBigVarintLow(low, high, pbf) {
-	    pbf.buf[pbf.pos++] = low & 0x7f | 0x80; low >>>= 7;
-	    pbf.buf[pbf.pos++] = low & 0x7f | 0x80; low >>>= 7;
-	    pbf.buf[pbf.pos++] = low & 0x7f | 0x80; low >>>= 7;
-	    pbf.buf[pbf.pos++] = low & 0x7f | 0x80; low >>>= 7;
-	    pbf.buf[pbf.pos]   = low & 0x7f;
-	}
-
-	function writeBigVarintHigh(high, pbf) {
-	    var lsb = (high & 0x07) << 4;
-
-	    pbf.buf[pbf.pos++] |= lsb         | ((high >>>= 3) ? 0x80 : 0); if (!high) return;
-	    pbf.buf[pbf.pos++]  = high & 0x7f | ((high >>>= 7) ? 0x80 : 0); if (!high) return;
-	    pbf.buf[pbf.pos++]  = high & 0x7f | ((high >>>= 7) ? 0x80 : 0); if (!high) return;
-	    pbf.buf[pbf.pos++]  = high & 0x7f | ((high >>>= 7) ? 0x80 : 0); if (!high) return;
-	    pbf.buf[pbf.pos++]  = high & 0x7f | ((high >>>= 7) ? 0x80 : 0); if (!high) return;
-	    pbf.buf[pbf.pos++]  = high & 0x7f;
-	}
-
-	function makeRoomForExtraLength(startPos, len, pbf) {
-	    var extraLen =
-	        len <= 0x3fff ? 1 :
-	        len <= 0x1fffff ? 2 :
-	        len <= 0xfffffff ? 3 : Math.floor(Math.log(len) / (Math.LN2 * 7));
-
-	    // if 1 byte isn't enough for encoding message length, shift the data to the right
-	    pbf.realloc(extraLen);
-	    for (var i = pbf.pos - 1; i >= startPos; i--) pbf.buf[i + extraLen] = pbf.buf[i];
-	}
-
-	function writePackedVarint(arr, pbf)   { for (var i = 0; i < arr.length; i++) pbf.writeVarint(arr[i]);   }
-	function writePackedSVarint(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeSVarint(arr[i]);  }
-	function writePackedFloat(arr, pbf)    { for (var i = 0; i < arr.length; i++) pbf.writeFloat(arr[i]);    }
-	function writePackedDouble(arr, pbf)   { for (var i = 0; i < arr.length; i++) pbf.writeDouble(arr[i]);   }
-	function writePackedBoolean(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeBoolean(arr[i]);  }
-	function writePackedFixed32(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeFixed32(arr[i]);  }
-	function writePackedSFixed32(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed32(arr[i]); }
-	function writePackedFixed64(arr, pbf)  { for (var i = 0; i < arr.length; i++) pbf.writeFixed64(arr[i]);  }
-	function writePackedSFixed64(arr, pbf) { for (var i = 0; i < arr.length; i++) pbf.writeSFixed64(arr[i]); }
-
-	// Buffer code below from https://github.com/feross/buffer, MIT-licensed
-
-	function readUInt32(buf, pos) {
-	    return ((buf[pos]) |
-	        (buf[pos + 1] << 8) |
-	        (buf[pos + 2] << 16)) +
-	        (buf[pos + 3] * 0x1000000);
-	}
-
-	function writeInt32(buf, val, pos) {
-	    buf[pos] = val;
-	    buf[pos + 1] = (val >>> 8);
-	    buf[pos + 2] = (val >>> 16);
-	    buf[pos + 3] = (val >>> 24);
-	}
-
-	function readInt32(buf, pos) {
-	    return ((buf[pos]) |
-	        (buf[pos + 1] << 8) |
-	        (buf[pos + 2] << 16)) +
-	        (buf[pos + 3] << 24);
-	}
-
-	function readUtf8(buf, pos, end) {
-	    var str = '';
-	    var i = pos;
-
-	    while (i < end) {
-	        var b0 = buf[i];
-	        var c = null; // codepoint
-	        var bytesPerSequence =
-	            b0 > 0xEF ? 4 :
-	            b0 > 0xDF ? 3 :
-	            b0 > 0xBF ? 2 : 1;
-
-	        if (i + bytesPerSequence > end) break;
-
-	        var b1, b2, b3;
-
-	        if (bytesPerSequence === 1) {
-	            if (b0 < 0x80) {
-	                c = b0;
-	            }
-	        } else if (bytesPerSequence === 2) {
-	            b1 = buf[i + 1];
-	            if ((b1 & 0xC0) === 0x80) {
-	                c = (b0 & 0x1F) << 0x6 | (b1 & 0x3F);
-	                if (c <= 0x7F) {
-	                    c = null;
-	                }
-	            }
-	        } else if (bytesPerSequence === 3) {
-	            b1 = buf[i + 1];
-	            b2 = buf[i + 2];
-	            if ((b1 & 0xC0) === 0x80 && (b2 & 0xC0) === 0x80) {
-	                c = (b0 & 0xF) << 0xC | (b1 & 0x3F) << 0x6 | (b2 & 0x3F);
-	                if (c <= 0x7FF || (c >= 0xD800 && c <= 0xDFFF)) {
-	                    c = null;
-	                }
-	            }
-	        } else if (bytesPerSequence === 4) {
-	            b1 = buf[i + 1];
-	            b2 = buf[i + 2];
-	            b3 = buf[i + 3];
-	            if ((b1 & 0xC0) === 0x80 && (b2 & 0xC0) === 0x80 && (b3 & 0xC0) === 0x80) {
-	                c = (b0 & 0xF) << 0x12 | (b1 & 0x3F) << 0xC | (b2 & 0x3F) << 0x6 | (b3 & 0x3F);
-	                if (c <= 0xFFFF || c >= 0x110000) {
-	                    c = null;
-	                }
-	            }
-	        }
-
-	        if (c === null) {
-	            c = 0xFFFD;
-	            bytesPerSequence = 1;
-
-	        } else if (c > 0xFFFF) {
-	            c -= 0x10000;
-	            str += String.fromCharCode(c >>> 10 & 0x3FF | 0xD800);
-	            c = 0xDC00 | c & 0x3FF;
-	        }
-
-	        str += String.fromCharCode(c);
-	        i += bytesPerSequence;
-	    }
-
-	    return str;
-	}
-
-	function readUtf8TextDecoder(buf, pos, end) {
-	    return utf8TextDecoder.decode(buf.subarray(pos, end));
-	}
-
-	function writeUtf8(buf, str, pos) {
-	    for (var i = 0, c, lead; i < str.length; i++) {
-	        c = str.charCodeAt(i); // code point
-
-	        if (c > 0xD7FF && c < 0xE000) {
-	            if (lead) {
-	                if (c < 0xDC00) {
-	                    buf[pos++] = 0xEF;
-	                    buf[pos++] = 0xBF;
-	                    buf[pos++] = 0xBD;
-	                    lead = c;
-	                    continue;
-	                } else {
-	                    c = lead - 0xD800 << 10 | c - 0xDC00 | 0x10000;
-	                    lead = null;
-	                }
-	            } else {
-	                if (c > 0xDBFF || (i + 1 === str.length)) {
-	                    buf[pos++] = 0xEF;
-	                    buf[pos++] = 0xBF;
-	                    buf[pos++] = 0xBD;
-	                } else {
-	                    lead = c;
-	                }
-	                continue;
-	            }
-	        } else if (lead) {
-	            buf[pos++] = 0xEF;
-	            buf[pos++] = 0xBF;
-	            buf[pos++] = 0xBD;
-	            lead = null;
-	        }
-
-	        if (c < 0x80) {
-	            buf[pos++] = c;
-	        } else {
-	            if (c < 0x800) {
-	                buf[pos++] = c >> 0x6 | 0xC0;
-	            } else {
-	                if (c < 0x10000) {
-	                    buf[pos++] = c >> 0xC | 0xE0;
-	                } else {
-	                    buf[pos++] = c >> 0x12 | 0xF0;
-	                    buf[pos++] = c >> 0xC & 0x3F | 0x80;
-	                }
-	                buf[pos++] = c >> 0x6 & 0x3F | 0x80;
-	            }
-	            buf[pos++] = c & 0x3F | 0x80;
-	        }
-	    }
-	    return pos;
-	}
-
-	var pointGeometry = Point;
-
-	/**
-	 * A standalone point geometry with useful accessor, comparison, and
-	 * modification methods.
-	 *
-	 * @class Point
-	 * @param {Number} x the x-coordinate. this could be longitude or screen
-	 * pixels, or any other sort of unit.
-	 * @param {Number} y the y-coordinate. this could be latitude or screen
-	 * pixels, or any other sort of unit.
-	 * @example
-	 * var point = new Point(-77, 38);
-	 */
-	function Point(x, y) {
-	    this.x = x;
-	    this.y = y;
-	}
-
-	Point.prototype = {
-
-	    /**
-	     * Clone this point, returning a new point that can be modified
-	     * without affecting the old one.
-	     * @return {Point} the clone
-	     */
-	    clone: function() { return new Point(this.x, this.y); },
-
-	    /**
-	     * Add this point's x & y coordinates to another point,
-	     * yielding a new point.
-	     * @param {Point} p the other point
-	     * @return {Point} output point
-	     */
-	    add:     function(p) { return this.clone()._add(p); },
-
-	    /**
-	     * Subtract this point's x & y coordinates to from point,
-	     * yielding a new point.
-	     * @param {Point} p the other point
-	     * @return {Point} output point
-	     */
-	    sub:     function(p) { return this.clone()._sub(p); },
-
-	    /**
-	     * Multiply this point's x & y coordinates by point,
-	     * yielding a new point.
-	     * @param {Point} p the other point
-	     * @return {Point} output point
-	     */
-	    multByPoint:    function(p) { return this.clone()._multByPoint(p); },
-
-	    /**
-	     * Divide this point's x & y coordinates by point,
-	     * yielding a new point.
-	     * @param {Point} p the other point
-	     * @return {Point} output point
-	     */
-	    divByPoint:     function(p) { return this.clone()._divByPoint(p); },
-
-	    /**
-	     * Multiply this point's x & y coordinates by a factor,
-	     * yielding a new point.
-	     * @param {Point} k factor
-	     * @return {Point} output point
-	     */
-	    mult:    function(k) { return this.clone()._mult(k); },
-
-	    /**
-	     * Divide this point's x & y coordinates by a factor,
-	     * yielding a new point.
-	     * @param {Point} k factor
-	     * @return {Point} output point
-	     */
-	    div:     function(k) { return this.clone()._div(k); },
-
-	    /**
-	     * Rotate this point around the 0, 0 origin by an angle a,
-	     * given in radians
-	     * @param {Number} a angle to rotate around, in radians
-	     * @return {Point} output point
-	     */
-	    rotate:  function(a) { return this.clone()._rotate(a); },
-
-	    /**
-	     * Rotate this point around p point by an angle a,
-	     * given in radians
-	     * @param {Number} a angle to rotate around, in radians
-	     * @param {Point} p Point to rotate around
-	     * @return {Point} output point
-	     */
-	    rotateAround:  function(a,p) { return this.clone()._rotateAround(a,p); },
-
-	    /**
-	     * Multiply this point by a 4x1 transformation matrix
-	     * @param {Array<Number>} m transformation matrix
-	     * @return {Point} output point
-	     */
-	    matMult: function(m) { return this.clone()._matMult(m); },
-
-	    /**
-	     * Calculate this point but as a unit vector from 0, 0, meaning
-	     * that the distance from the resulting point to the 0, 0
-	     * coordinate will be equal to 1 and the angle from the resulting
-	     * point to the 0, 0 coordinate will be the same as before.
-	     * @return {Point} unit vector point
-	     */
-	    unit:    function() { return this.clone()._unit(); },
-
-	    /**
-	     * Compute a perpendicular point, where the new y coordinate
-	     * is the old x coordinate and the new x coordinate is the old y
-	     * coordinate multiplied by -1
-	     * @return {Point} perpendicular point
-	     */
-	    perp:    function() { return this.clone()._perp(); },
-
-	    /**
-	     * Return a version of this point with the x & y coordinates
-	     * rounded to integers.
-	     * @return {Point} rounded point
-	     */
-	    round:   function() { return this.clone()._round(); },
-
-	    /**
-	     * Return the magitude of this point: this is the Euclidean
-	     * distance from the 0, 0 coordinate to this point's x and y
-	     * coordinates.
-	     * @return {Number} magnitude
-	     */
-	    mag: function() {
-	        return Math.sqrt(this.x * this.x + this.y * this.y);
-	    },
-
-	    /**
-	     * Judge whether this point is equal to another point, returning
-	     * true or false.
-	     * @param {Point} other the other point
-	     * @return {boolean} whether the points are equal
-	     */
-	    equals: function(other) {
-	        return this.x === other.x &&
-	               this.y === other.y;
-	    },
-
-	    /**
-	     * Calculate the distance from this point to another point
-	     * @param {Point} p the other point
-	     * @return {Number} distance
-	     */
-	    dist: function(p) {
-	        return Math.sqrt(this.distSqr(p));
-	    },
-
-	    /**
-	     * Calculate the distance from this point to another point,
-	     * without the square root step. Useful if you're comparing
-	     * relative distances.
-	     * @param {Point} p the other point
-	     * @return {Number} distance
-	     */
-	    distSqr: function(p) {
-	        var dx = p.x - this.x,
-	            dy = p.y - this.y;
-	        return dx * dx + dy * dy;
-	    },
-
-	    /**
-	     * Get the angle from the 0, 0 coordinate to this point, in radians
-	     * coordinates.
-	     * @return {Number} angle
-	     */
-	    angle: function() {
-	        return Math.atan2(this.y, this.x);
-	    },
-
-	    /**
-	     * Get the angle from this point to another point, in radians
-	     * @param {Point} b the other point
-	     * @return {Number} angle
-	     */
-	    angleTo: function(b) {
-	        return Math.atan2(this.y - b.y, this.x - b.x);
-	    },
-
-	    /**
-	     * Get the angle between this point and another point, in radians
-	     * @param {Point} b the other point
-	     * @return {Number} angle
-	     */
-	    angleWith: function(b) {
-	        return this.angleWithSep(b.x, b.y);
-	    },
-
-	    /*
-	     * Find the angle of the two vectors, solving the formula for
-	     * the cross product a x b = |a||b|sin(θ) for θ.
-	     * @param {Number} x the x-coordinate
-	     * @param {Number} y the y-coordinate
-	     * @return {Number} the angle in radians
-	     */
-	    angleWithSep: function(x, y) {
-	        return Math.atan2(
-	            this.x * y - this.y * x,
-	            this.x * x + this.y * y);
-	    },
-
-	    _matMult: function(m) {
-	        var x = m[0] * this.x + m[1] * this.y,
-	            y = m[2] * this.x + m[3] * this.y;
-	        this.x = x;
-	        this.y = y;
-	        return this;
-	    },
-
-	    _add: function(p) {
-	        this.x += p.x;
-	        this.y += p.y;
-	        return this;
-	    },
-
-	    _sub: function(p) {
-	        this.x -= p.x;
-	        this.y -= p.y;
-	        return this;
-	    },
-
-	    _mult: function(k) {
-	        this.x *= k;
-	        this.y *= k;
-	        return this;
-	    },
-
-	    _div: function(k) {
-	        this.x /= k;
-	        this.y /= k;
-	        return this;
-	    },
-
-	    _multByPoint: function(p) {
-	        this.x *= p.x;
-	        this.y *= p.y;
-	        return this;
-	    },
-
-	    _divByPoint: function(p) {
-	        this.x /= p.x;
-	        this.y /= p.y;
-	        return this;
-	    },
-
-	    _unit: function() {
-	        this._div(this.mag());
-	        return this;
-	    },
-
-	    _perp: function() {
-	        var y = this.y;
-	        this.y = this.x;
-	        this.x = -y;
-	        return this;
-	    },
-
-	    _rotate: function(angle) {
-	        var cos = Math.cos(angle),
-	            sin = Math.sin(angle),
-	            x = cos * this.x - sin * this.y,
-	            y = sin * this.x + cos * this.y;
-	        this.x = x;
-	        this.y = y;
-	        return this;
-	    },
-
-	    _rotateAround: function(angle, p) {
-	        var cos = Math.cos(angle),
-	            sin = Math.sin(angle),
-	            x = p.x + cos * (this.x - p.x) - sin * (this.y - p.y),
-	            y = p.y + sin * (this.x - p.x) + cos * (this.y - p.y);
-	        this.x = x;
-	        this.y = y;
-	        return this;
-	    },
-
-	    _round: function() {
-	        this.x = Math.round(this.x);
-	        this.y = Math.round(this.y);
-	        return this;
-	    }
-	};
-
-	/**
-	 * Construct a point from an array if necessary, otherwise if the input
-	 * is already a Point, or an unknown type, return it unchanged
-	 * @param {Array<Number>|Point|*} a any kind of input value
-	 * @return {Point} constructed point, or passed-through value.
-	 * @example
-	 * // this
-	 * var point = Point.convert([0, 1]);
-	 * // is equivalent to
-	 * var point = new Point(0, 1);
-	 */
-	Point.convert = function (a) {
-	    if (a instanceof Point) {
-	        return a;
-	    }
-	    if (Array.isArray(a)) {
-	        return new Point(a[0], a[1]);
-	    }
-	    return a;
-	};
-
-	var vectortilefeature = VectorTileFeature;
-
-	function VectorTileFeature(pbf, end, extent, keys, values) {
-	    // Public
-	    this.properties = {};
-	    this.extent = extent;
-	    this.type = 0;
-
-	    // Private
-	    this._pbf = pbf;
-	    this._geometry = -1;
-	    this._keys = keys;
-	    this._values = values;
-
-	    pbf.readFields(readFeature, this, end);
-	}
-
-	function readFeature(tag, feature, pbf) {
-	    if (tag == 1) feature.id = pbf.readVarint();
-	    else if (tag == 2) readTag(pbf, feature);
-	    else if (tag == 3) feature.type = pbf.readVarint();
-	    else if (tag == 4) feature._geometry = pbf.pos;
-	}
-
-	function readTag(pbf, feature) {
-	    var end = pbf.readVarint() + pbf.pos;
-
-	    while (pbf.pos < end) {
-	        var key = feature._keys[pbf.readVarint()],
-	            value = feature._values[pbf.readVarint()];
-	        feature.properties[key] = value;
-	    }
-	}
-
-	VectorTileFeature.types = ['Unknown', 'Point', 'LineString', 'Polygon'];
-
-	VectorTileFeature.prototype.loadGeometry = function() {
-	    var pbf = this._pbf;
-	    pbf.pos = this._geometry;
-
-	    var end = pbf.readVarint() + pbf.pos,
-	        cmd = 1,
-	        length = 0,
-	        x = 0,
-	        y = 0,
-	        lines = [],
-	        line;
-
-	    while (pbf.pos < end) {
-	        if (length <= 0) {
-	            var cmdLen = pbf.readVarint();
-	            cmd = cmdLen & 0x7;
-	            length = cmdLen >> 3;
-	        }
-
-	        length--;
-
-	        if (cmd === 1 || cmd === 2) {
-	            x += pbf.readSVarint();
-	            y += pbf.readSVarint();
-
-	            if (cmd === 1) { // moveTo
-	                if (line) lines.push(line);
-	                line = [];
-	            }
-
-	            line.push(new pointGeometry(x, y));
-
-	        } else if (cmd === 7) {
-
-	            // Workaround for https://github.com/mapbox/mapnik-vector-tile/issues/90
-	            if (line) {
-	                line.push(line[0].clone()); // closePolygon
-	            }
-
-	        } else {
-	            throw new Error('unknown command ' + cmd);
-	        }
-	    }
-
-	    if (line) lines.push(line);
-
-	    return lines;
-	};
-
-	VectorTileFeature.prototype.bbox = function() {
-	    var pbf = this._pbf;
-	    pbf.pos = this._geometry;
-
-	    var end = pbf.readVarint() + pbf.pos,
-	        cmd = 1,
-	        length = 0,
-	        x = 0,
-	        y = 0,
-	        x1 = Infinity,
-	        x2 = -Infinity,
-	        y1 = Infinity,
-	        y2 = -Infinity;
-
-	    while (pbf.pos < end) {
-	        if (length <= 0) {
-	            var cmdLen = pbf.readVarint();
-	            cmd = cmdLen & 0x7;
-	            length = cmdLen >> 3;
-	        }
-
-	        length--;
-
-	        if (cmd === 1 || cmd === 2) {
-	            x += pbf.readSVarint();
-	            y += pbf.readSVarint();
-	            if (x < x1) x1 = x;
-	            if (x > x2) x2 = x;
-	            if (y < y1) y1 = y;
-	            if (y > y2) y2 = y;
-
-	        } else if (cmd !== 7) {
-	            throw new Error('unknown command ' + cmd);
-	        }
-	    }
-
-	    return [x1, y1, x2, y2];
-	};
-
-	VectorTileFeature.prototype.toGeoJSON = function(x, y, z) {
-	    var size = this.extent * Math.pow(2, z),
-	        x0 = this.extent * x,
-	        y0 = this.extent * y,
-	        coords = this.loadGeometry(),
-	        type = VectorTileFeature.types[this.type],
-	        i, j;
-
-	    function project(line) {
-	        for (var j = 0; j < line.length; j++) {
-	            var p = line[j], y2 = 180 - (p.y + y0) * 360 / size;
-	            line[j] = [
-	                (p.x + x0) * 360 / size - 180,
-	                360 / Math.PI * Math.atan(Math.exp(y2 * Math.PI / 180)) - 90
-	            ];
-	        }
-	    }
-
-	    switch (this.type) {
-	    case 1:
-	        var points = [];
-	        for (i = 0; i < coords.length; i++) {
-	            points[i] = coords[i][0];
-	        }
-	        coords = points;
-	        project(coords);
-	        break;
-
-	    case 2:
-	        for (i = 0; i < coords.length; i++) {
-	            project(coords[i]);
-	        }
-	        break;
-
-	    case 3:
-	        coords = classifyRings(coords);
-	        for (i = 0; i < coords.length; i++) {
-	            for (j = 0; j < coords[i].length; j++) {
-	                project(coords[i][j]);
-	            }
-	        }
-	        break;
-	    }
-
-	    if (coords.length === 1) {
-	        coords = coords[0];
-	    } else {
-	        type = 'Multi' + type;
-	    }
-
-	    var result = {
-	        type: "Feature",
-	        geometry: {
-	            type: type,
-	            coordinates: coords
-	        },
-	        properties: this.properties
-	    };
-
-	    if ('id' in this) {
-	        result.id = this.id;
-	    }
-
-	    return result;
-	};
-
-	// classifies an array of rings into polygons with outer rings and holes
-
-	function classifyRings(rings) {
-	    var len = rings.length;
-
-	    if (len <= 1) return [rings];
-
-	    var polygons = [],
-	        polygon,
-	        ccw;
-
-	    for (var i = 0; i < len; i++) {
-	        var area = signedArea$1(rings[i]);
-	        if (area === 0) continue;
-
-	        if (ccw === undefined) ccw = area < 0;
-
-	        if (ccw === area < 0) {
-	            if (polygon) polygons.push(polygon);
-	            polygon = [rings[i]];
-
-	        } else {
-	            polygon.push(rings[i]);
-	        }
-	    }
-	    if (polygon) polygons.push(polygon);
-
-	    return polygons;
-	}
-
-	function signedArea$1(ring) {
-	    var sum = 0;
-	    for (var i = 0, len = ring.length, j = len - 1, p1, p2; i < len; j = i++) {
-	        p1 = ring[i];
-	        p2 = ring[j];
-	        sum += (p2.x - p1.x) * (p1.y + p2.y);
-	    }
-	    return sum;
-	}
-
-	var vectortilelayer = VectorTileLayer;
-
-	function VectorTileLayer(pbf, end) {
-	    // Public
-	    this.version = 1;
-	    this.name = null;
-	    this.extent = 4096;
-	    this.length = 0;
-
-	    // Private
-	    this._pbf = pbf;
-	    this._keys = [];
-	    this._values = [];
-	    this._features = [];
-
-	    pbf.readFields(readLayer, this, end);
-
-	    this.length = this._features.length;
-	}
-
-	function readLayer(tag, layer, pbf) {
-	    if (tag === 15) layer.version = pbf.readVarint();
-	    else if (tag === 1) layer.name = pbf.readString();
-	    else if (tag === 5) layer.extent = pbf.readVarint();
-	    else if (tag === 2) layer._features.push(pbf.pos);
-	    else if (tag === 3) layer._keys.push(pbf.readString());
-	    else if (tag === 4) layer._values.push(readValueMessage(pbf));
-	}
-
-	function readValueMessage(pbf) {
-	    var value = null,
-	        end = pbf.readVarint() + pbf.pos;
-
-	    while (pbf.pos < end) {
-	        var tag = pbf.readVarint() >> 3;
-
-	        value = tag === 1 ? pbf.readString() :
-	            tag === 2 ? pbf.readFloat() :
-	            tag === 3 ? pbf.readDouble() :
-	            tag === 4 ? pbf.readVarint64() :
-	            tag === 5 ? pbf.readVarint() :
-	            tag === 6 ? pbf.readSVarint() :
-	            tag === 7 ? pbf.readBoolean() : null;
-	    }
-
-	    return value;
-	}
-
-	// return feature `i` from this layer as a `VectorTileFeature`
-	VectorTileLayer.prototype.feature = function(i) {
-	    if (i < 0 || i >= this._features.length) throw new Error('feature index out of bounds');
-
-	    this._pbf.pos = this._features[i];
-
-	    var end = this._pbf.readVarint() + this._pbf.pos;
-	    return new vectortilefeature(this._pbf, end, this.extent, this._keys, this._values);
-	};
-
-	var vectortile = VectorTile;
-
-	function VectorTile(pbf, end) {
-	    this.layers = pbf.readFields(readTile, {}, end);
-	}
-
-	function readTile(tag, layers, pbf) {
-	    if (tag === 3) {
-	        var layer = new vectortilelayer(pbf, pbf.readVarint() + pbf.pos);
-	        if (layer.length) layers[layer.name] = layer;
-	    }
-	}
-
-	var VectorTile$1 = vectortile;
-	var VectorTileFeature$1 = vectortilefeature;
-	var VectorTileLayer$1 = vectortilelayer;
-
-	var vectorTile = {
-		VectorTile: VectorTile$1,
-		VectorTileFeature: VectorTileFeature$1,
-		VectorTileLayer: VectorTileLayer$1
-	};
-
-	var tiler$7 = utilTiler().tileSize(512).margin(1);
-	var dispatch$8 = dispatch('loadedData');
-	var _vtCache;
-
-
-	function abortRequest$7(controller) {
-	    controller.abort();
-	}
-
-
-	function vtToGeoJSON(data, tile, mergeCache) {
-	    var vectorTile$1 = new vectorTile.VectorTile(new pbf(data));
-	    var layers = Object.keys(vectorTile$1.layers);
-	    if (!Array.isArray(layers)) { layers = [layers]; }
-
-	    var features = [];
-	    layers.forEach(function(layerID) {
-	        var layer = vectorTile$1.layers[layerID];
-	        if (layer) {
-	            for (var i = 0; i < layer.length; i++) {
-	                var feature = layer.feature(i).toGeoJSON(tile.xyz[0], tile.xyz[1], tile.xyz[2]);
-	                var geometry = feature.geometry;
-
-	                // Treat all Polygons as MultiPolygons
-	                if (geometry.type === 'Polygon') {
-	                    geometry.type = 'MultiPolygon';
-	                    geometry.coordinates = [geometry.coordinates];
-	                }
-
-	                // Clip to tile bounds
-	                if (geometry.type === 'MultiPolygon') {
-	                    var isClipped = false;
-	                    var featureClip = bboxClip_1(feature, tile.extent.rectangle());
-	                    if (!fastDeepEqual(feature.geometry, featureClip.geometry)) {
-	                        // feature = featureClip;
-	                        isClipped = true;
-	                    }
-	                    if (!feature.geometry.coordinates.length) continue;   // not actually on this tile
-	                    if (!feature.geometry.coordinates[0].length) continue;   // not actually on this tile
-	                }
-
-	                // Generate some unique IDs and add some metadata
-	                var featurehash = utilHashcode(fastJsonStableStringify(feature));
-	                var propertyhash = utilHashcode(fastJsonStableStringify(feature.properties || {}));
-	                feature.__layerID__ = layerID.replace(/[^_a-zA-Z0-9\-]/g, '_');
-	                feature.__featurehash__ = featurehash;
-	                feature.__propertyhash__ = propertyhash;
-	                features.push(feature);
-
-	                // Clipped Polygons at same zoom with identical properties can get merged
-	                if (isClipped && geometry.type === 'MultiPolygon') {
-	                    var merged = mergeCache[propertyhash];
-	                    if (merged && merged.length) {
-	                        var other = merged[0];
-	                        var coords = union(
-	                            feature.geometry.coordinates,
-	                            other.geometry.coordinates
-	                        );
-
-	                        if (!coords || !coords.length) {
-	                            continue;  // something failed in martinez union
-	                        }
-
-	                        merged.push(feature);
-	                        for (var j = 0; j < merged.length; j++) {      // all these features get...
-	                            merged[j].geometry.coordinates = coords;   // same coords
-	                            merged[j].__featurehash__ = featurehash;   // same hash, so deduplication works
-	                        }
-	                    } else {
-	                        mergeCache[propertyhash] = [feature];
-	                    }
-	                }
-	            }
-	        }
-	    });
-
-	    return features;
-	}
-
-
-	function loadTile(source, tile) {
-	    if (source.loaded[tile.id] || source.inflight[tile.id]) return;
-
-	    var url = source.template
-	        .replace('{x}', tile.xyz[0])
-	        .replace('{y}', tile.xyz[1])
-	        // TMS-flipped y coordinate
-	        .replace(/\{[t-]y\}/, Math.pow(2, tile.xyz[2]) - tile.xyz[1] - 1)
-	        .replace(/\{z(oom)?\}/, tile.xyz[2])
-	        .replace(/\{switch:([^}]+)\}/, function(s, r) {
-	            var subdomains = r.split(',');
-	            return subdomains[(tile.xyz[0] + tile.xyz[1]) % subdomains.length];
-	        });
-
-
-	    var controller = new AbortController();
-	    source.inflight[tile.id] = controller;
-
-	    fetch(url, { signal: controller.signal })
-	        .then(function(response) {
-	            if (!response.ok) {
-	                throw new Error(response.status + ' ' + response.statusText);
-	            }
-	            source.loaded[tile.id] = [];
-	            delete source.inflight[tile.id];
-	            return response.arrayBuffer();
-	        })
-	        .then(function(data) {
-	            if (!data) {
-	                throw new Error('No Data');
-	            }
-
-	            var z = tile.xyz[2];
-	            if (!source.canMerge[z]) {
-	                source.canMerge[z] = {};  // initialize mergeCache
-	            }
-
-	            source.loaded[tile.id] = vtToGeoJSON(data, tile, source.canMerge[z]);
-	            dispatch$8.call('loadedData');
-	        })
-	        .catch(function() {
-	            source.loaded[tile.id] = [];
-	            delete source.inflight[tile.id];
-	        });
-	}
-
-
-	var serviceVectorTile = {
-
-	    init: function() {
-	        if (!_vtCache) {
-	            this.reset();
-	        }
-
-	        this.event = utilRebind(this, dispatch$8, 'on');
-	    },
-
-
-	    reset: function() {
-	        for (var sourceID in _vtCache) {
-	            var source = _vtCache[sourceID];
-	            if (source && source.inflight) {
-	                Object.values(source.inflight).forEach(abortRequest$7);
-	            }
-	        }
-
-	        _vtCache = {};
-	    },
-
-
-	    addSource: function(sourceID, template) {
-	        _vtCache[sourceID] = { template: template, inflight: {}, loaded: {}, canMerge: {} };
-	        return _vtCache[sourceID];
-	    },
-
-
-	    data: function(sourceID, projection) {
-	        var source = _vtCache[sourceID];
-	        if (!source) return [];
-
-	        var tiles = tiler$7.getTiles(projection);
-	        var seen = {};
-	        var results = [];
-
-	        for (var i = 0; i < tiles.length; i++) {
-	            var features = source.loaded[tiles[i].id];
-	            if (!features || !features.length) continue;
-
-	            for (var j = 0; j < features.length; j++) {
-	                var feature = features[j];
-	                var hash = feature.__featurehash__;
-	                if (seen[hash]) continue;
-	                seen[hash] = true;
-
-	                // return a shallow copy, because the hash may change
-	                // later if this feature gets merged with another
-	                results.push(Object.assign({}, feature));  // shallow copy
-	            }
-	        }
-
-	        return results;
-	    },
-
-
-	    loadTiles: function(sourceID, template, projection) {
-	        var source = _vtCache[sourceID];
-	        if (!source) {
-	            source = this.addSource(sourceID, template);
-	        }
-
-	        var tiles = tiler$7.getTiles(projection);
-
-	        // abort inflight requests that are no longer needed
-	        Object.keys(source.inflight).forEach(function(k) {
-	            var wanted = tiles.find(function(tile) { return k === tile.id; });
-	            if (!wanted) {
-	                abortRequest$7(source.inflight[k]);
-	                delete source.inflight[k];
-	            }
-	        });
-
-	        tiles.forEach(function(tile) {
-	            loadTile(source, tile);
-	        });
-	    },
-
-
-	    cache: function() {
-	        return _vtCache;
-	    }
-
-	};
-
-	var apibase$5 = 'https://www.wikidata.org/w/api.php?';
-	var _wikidataCache = {};
-
-
-	var serviceWikidata = {
-
-	    init: function() {},
-
-	    reset: function() {
-	        _wikidataCache = {};
-	    },
-
-
-	    // Search for Wikidata items matching the query
-	    itemsForSearchQuery: function(query, callback) {
-	        if (!query) {
-	            if (callback) callback('No query', {});
-	            return;
-	        }
-
-	        var lang = this.languagesToQuery()[0];
-
-	        var url = apibase$5 + utilQsString({
-	            action: 'wbsearchentities',
-	            format: 'json',
-	            formatversion: 2,
-	            search: query,
-	            type: 'item',
-	            // the language to search
-	            language: lang,
-	            // the langauge for the label and description in the result
-	            uselang: lang,
-	            limit: 10,
-	            origin: '*'
-	        });
-
-	        d3_json(url)
-	            .then(function(result) {
-	                if (result && result.error) {
-	                    throw new Error(result.error);
-	                }
-	                if (callback) callback(null, result.search || {});
-	            })
-	            .catch(function(err) {
-	                if (callback) callback(err.message, {});
-	            });
-	    },
-
-
-	    // Given a Wikipedia language and article title,
-	    // return an array of corresponding Wikidata entities.
-	    itemsByTitle: function(lang, title, callback) {
-	        if (!title) {
-	            if (callback) callback('No title', {});
-	            return;
-	        }
-
-	        lang = lang || 'en';
-	        var url = apibase$5 + utilQsString({
-	            action: 'wbgetentities',
-	            format: 'json',
-	            formatversion: 2,
-	            sites: lang.replace(/-/g, '_') + 'wiki',
-	            titles: title,
-	            languages: 'en', // shrink response by filtering to one language
-	            origin: '*'
-	        });
-
-	        d3_json(url)
-	            .then(function(result) {
-	                if (result && result.error) {
-	                    throw new Error(result.error);
-	                }
-	                if (callback) callback(null, result.entities || {});
-	            })
-	            .catch(function(err) {
-	                if (callback) callback(err.message, {});
-	            });
-	    },
-
-
-	    languagesToQuery: function() {
-	        var localeCode = _mainLocalizer.localeCode().toLowerCase();
-	        // HACK: en-us isn't a wikidata language. We should really be filtering by
-	        // the languages known to be supported by wikidata.
-	        if (localeCode === 'en-us') localeCode = 'en';
-	        return utilArrayUniq([
-	            localeCode,
-	            _mainLocalizer.languageCode().toLowerCase(),
-	            'en'
-	        ]);
-	    },
-
-
-	    entityByQID: function(qid, callback) {
-	        if (!qid) {
-	            callback('No qid', {});
-	            return;
-	        }
-	        if (_wikidataCache[qid]) {
-	            if (callback) callback(null, _wikidataCache[qid]);
-	            return;
-	        }
-
-	        var langs = this.languagesToQuery();
-	        var url = apibase$5 + utilQsString({
-	            action: 'wbgetentities',
-	            format: 'json',
-	            formatversion: 2,
-	            ids: qid,
-	            props: 'labels|descriptions|claims|sitelinks',
-	            sitefilter: langs.map(function(d) { return d + 'wiki'; }).join('|'),
-	            languages: langs.join('|'),
-	            languagefallback: 1,
-	            origin: '*'
-	        });
-
-	        d3_json(url)
-	            .then(function(result) {
-	                if (result && result.error) {
-	                    throw new Error(result.error);
-	                }
-	                if (callback) callback(null, result.entities[qid] || {});
-	            })
-	            .catch(function(err) {
-	                if (callback) callback(err.message, {});
-	            });
-	    },
-
-
-	    // Pass `params` object of the form:
-	    // {
-	    //   qid: 'string'      // brand wikidata  (e.g. 'Q37158')
-	    // }
-	    //
-	    // Get an result object used to display tag documentation
-	    // {
-	    //   title:        'string',
-	    //   description:  'string',
-	    //   editURL:      'string',
-	    //   imageURL:     'string',
-	    //   wiki:         { title: 'string', text: 'string', url: 'string' }
-	    // }
-	    //
-	    getDocs: function(params, callback) {
-	        var langs = this.languagesToQuery();
-	        this.entityByQID(params.qid, function(err, entity) {
-	            if (err || !entity) {
-	                callback(err || 'No entity');
-	                return;
-	            }
-
-	            var i;
-	            var description;
-	            if (entity.descriptions && Object.keys(entity.descriptions).length > 0) {
-	                description = entity.descriptions[Object.keys(entity.descriptions)[0]].value;
-	            }
-
-	            // prepare result
-	            var result = {
-	                title: entity.id,
-	                description: description,
-	                editURL: 'https://www.wikidata.org/wiki/' + entity.id
-	            };
-
-	            // add image
-	            if (entity.claims) {
-	                var imageroot = 'https://commons.wikimedia.org/w/index.php';
-	                var props = ['P154','P18'];  // logo image, image
-	                var prop, image;
-	                for (i = 0; i < props.length; i++) {
-	                    prop = entity.claims[props[i]];
-	                    if (prop && Object.keys(prop).length > 0) {
-	                        image = prop[Object.keys(prop)[0]].mainsnak.datavalue.value;
-	                        if (image) {
-	                            result.imageURL = imageroot + '?' + utilQsString({
-	                                title: 'Special:Redirect/file/' + image,
-	                                width: 400
-	                            });
-	                            break;
-	                        }
-	                    }
-	                }
-	            }
-
-	            if (entity.sitelinks) {
-	                var englishLocale = _mainLocalizer.languageCode().toLowerCase() === 'en';
-
-	                // must be one of these that we requested..
-	                for (i = 0; i < langs.length; i++) {   // check each, in order of preference
-	                    var w = langs[i] + 'wiki';
-	                    if (entity.sitelinks[w]) {
-	                        var title = entity.sitelinks[w].title;
-	                        var tKey = 'inspector.wiki_reference';
-	                        if (!englishLocale && langs[i] === 'en') {   // user's locale isn't English but
-	                            tKey = 'inspector.wiki_en_reference';    // we are sending them to enwiki anyway..
-	                        }
-
-	                        result.wiki = {
-	                            title: title,
-	                            text: tKey,
-	                            url: 'https://' + langs[i] + '.wikipedia.org/wiki/' + title.replace(/ /g, '_')
-	                        };
-	                        break;
-	                    }
-	                }
-	            }
-
-	            callback(null, result);
-	        });
-	    }
-
-	};
-
-	var endpoint = 'https://en.wikipedia.org/w/api.php?';
-
-	var serviceWikipedia = {
-
-	    init: function() {},
-	    reset: function() {},
-
-
-	    search: function(lang, query, callback) {
-	        if (!query) {
-	            if (callback) callback('No Query', []);
-	            return;
-	        }
-
-	        lang = lang || 'en';
-	        var url = endpoint.replace('en', lang) +
-	            utilQsString({
-	                action: 'query',
-	                list: 'search',
-	                srlimit: '10',
-	                srinfo: 'suggestion',
-	                format: 'json',
-	                origin: '*',
-	                srsearch: query
-	            });
-
-	        d3_json(url)
-	            .then(function(result) {
-	                if (result && result.error) {
-	                    throw new Error(result.error);
-	                } else if (!result || !result.query || !result.query.search) {
-	                    throw new Error('No Results');
-	                }
-	                if (callback) {
-	                    var titles = result.query.search.map(function(d) { return d.title; });
-	                    callback(null, titles);
-	                }
-	            })
-	            .catch(function(err) {
-	                if (callback) callback(err, []);
-	            });
-	    },
-
-
-	    suggestions: function(lang, query, callback) {
-	        if (!query) {
-	            if (callback) callback('', []);
-	            return;
-	        }
-
-	        lang = lang || 'en';
-	        var url = endpoint.replace('en', lang) +
-	            utilQsString({
-	                action: 'opensearch',
-	                namespace: 0,
-	                suggest: '',
-	                format: 'json',
-	                origin: '*',
-	                search: query
-	            });
-
-	        d3_json(url)
-	            .then(function(result) {
-	                if (result && result.error) {
-	                    throw new Error(result.error);
-	                } else if (!result || result.length < 2) {
-	                    throw new Error('No Results');
-	                }
-	                if (callback) callback(null, result[1] || []);
-	            })
-	            .catch(function(err) {
-	                if (callback) callback(err.message, []);
-	            });
-	    },
-
-
-	    translations: function(lang, title, callback) {
-	        if (!title) {
-	            if (callback) callback('No Title');
-	            return;
-	        }
-
-	        var url = endpoint.replace('en', lang) +
-	            utilQsString({
-	                action: 'query',
-	                prop: 'langlinks',
-	                format: 'json',
-	                origin: '*',
-	                lllimit: 500,
-	                titles: title
-	            });
-
-	        d3_json(url)
-	            .then(function(result) {
-	                if (result && result.error) {
-	                    throw new Error(result.error);
-	                } else if (!result || !result.query || !result.query.pages) {
-	                    throw new Error('No Results');
-	                }
-	                if (callback) {
-	                    var list = result.query.pages[Object.keys(result.query.pages)[0]];
-	                    var translations = {};
-	                    if (list && list.langlinks) {
-	                        list.langlinks.forEach(function(d) { translations[d.lang] = d['*']; });
-	                    }
-	                    callback(null, translations);
-	                }
-	            })
-	            .catch(function(err) {
-	                if (callback) callback(err.message);
-	            });
-	    }
-
-	};
-
-	var services = {
-	    geocoder: serviceNominatim,
-	    keepRight: serviceKeepRight,
-	    improveOSM: serviceImproveOSM,
-	    osmose: serviceOsmose,
-	    mapillary: serviceMapillary,
-	    openstreetcam: serviceOpenstreetcam,
-	    osm: serviceOsm,
-	    osmWikibase: serviceOsmWikibase,
-	    maprules: serviceMapRules,
-	    streetside: serviceStreetside,
-	    taginfo: serviceTaginfo,
-	    vectorTile: serviceVectorTile,
-	    wikidata: serviceWikidata,
-	    wikipedia: serviceWikipedia
-	};
-
-	function svgIcon(name, svgklass, useklass) {
-	    return function drawIcon(selection) {
-	        selection.selectAll('svg.icon' + (svgklass ? '.' + svgklass.split(' ')[0] : ''))
-	            .data([0])
-	            .enter()
-	            .append('svg')
-	            .attr('class', 'icon ' + (svgklass || ''))
-	            .append('use')
-	            .attr('xlink:href', name)
-	            .attr('class', useklass);
-	    };
-	}
-
-	function uiNoteComments() {
-	    var _note;
-
-
-	    function noteComments(selection) {
-	        if (_note.isNew()) return; // don't draw .comments-container
-
-	        var comments = selection.selectAll('.comments-container')
-	            .data([0]);
-
-	        comments = comments.enter()
-	            .append('div')
-	            .attr('class', 'comments-container')
-	            .merge(comments);
-
-	        var commentEnter = comments.selectAll('.comment')
-	            .data(_note.comments)
-	            .enter()
-	            .append('div')
-	            .attr('class', 'comment');
-
-	        commentEnter
-	            .append('div')
-	            .attr('class', function(d) { return 'comment-avatar user-' + d.uid; })
-	            .call(svgIcon('#iD-icon-avatar', 'comment-avatar-icon'));
-
-	        var mainEnter = commentEnter
-	            .append('div')
-	            .attr('class', 'comment-main');
-
-	        var metadataEnter = mainEnter
-	            .append('div')
-	            .attr('class', 'comment-metadata');
-
-	        metadataEnter
-	            .append('div')
-	            .attr('class', 'comment-author')
-	            .each(function(d) {
-	                var selection = select(this);
-	                var osm = services.osm;
-	                if (osm && d.user) {
-	                    selection = selection
-	                        .append('a')
-	                        .attr('class', 'comment-author-link')
-	                        .attr('href', osm.userURL(d.user))
-	                        .attr('tabindex', -1)
-	                        .attr('target', '_blank');
-	                }
-	                selection
-	                    .text(function(d) { return d.user || _t('note.anonymous'); });
-	            });
-
-	        metadataEnter
-	            .append('div')
-	            .attr('class', 'comment-date')
-	            .text(function(d) {
-	                return _t('note.status.' + d.action, { when: localeDateString(d.date) });
-	            });
-
-	        mainEnter
-	            .append('div')
-	            .attr('class', 'comment-text')
-	            .html(function(d) { return d.html; });
-
-	        comments
-	            .call(replaceAvatars);
-	    }
-
-
-	    function replaceAvatars(selection) {
-	        var showThirdPartyIcons = corePreferences('preferences.privacy.thirdpartyicons') || 'true';
-	        var osm = services.osm;
-	        if (showThirdPartyIcons !== 'true' || !osm) return;
-
-	        var uids = {};  // gather uids in the comment thread
-	        _note.comments.forEach(function(d) {
-	            if (d.uid) uids[d.uid] = true;
-	        });
-
-	        Object.keys(uids).forEach(function(uid) {
-	            osm.loadUser(uid, function(err, user) {
-	                if (!user || !user.image_url) return;
-
-	                selection.selectAll('.comment-avatar.user-' + uid)
-	                    .html('')
-	                    .append('img')
-	                    .attr('class', 'icon comment-avatar-icon')
-	                    .attr('src', user.image_url)
-	                    .attr('alt', user.display_name);
-	            });
-	        });
-	    }
-
-
-	    function localeDateString(s) {
-	        if (!s) return null;
-	        var options = { day: 'numeric', month: 'short', year: 'numeric' };
-	        s = s.replace(/-/g, '/'); // fix browser-specific Date() issues
-	        var d = new Date(s);
-	        if (isNaN(d.getTime())) return null;
-	        return d.toLocaleDateString(_mainLocalizer.localeCode(), options);
-	    }
-
-
-	    noteComments.note = function(val) {
-	        if (!arguments.length) return _note;
-	        _note = val;
-	        return noteComments;
-	    };
-
-
-	    return noteComments;
-	}
-
-	function uiNoteHeader() {
-	    var _note;
-
-
-	    function noteHeader(selection) {
-	        var header = selection.selectAll('.note-header')
-	            .data(
-	                (_note ? [_note] : []),
-	                function(d) { return d.status + d.id; }
-	            );
-
-	        header.exit()
-	            .remove();
-
-	        var headerEnter = header.enter()
-	            .append('div')
-	            .attr('class', 'note-header');
-
-	        var iconEnter = headerEnter
-	            .append('div')
-	            .attr('class', function(d) { return 'note-header-icon ' + d.status; })
-	            .classed('new', function(d) { return d.id < 0; });
-
-	        iconEnter
-	            .append('div')
-	            .attr('class', 'preset-icon-28')
-	            .call(svgIcon('#iD-icon-note', 'note-fill'));
-
-	        iconEnter.each(function(d) {
-	            var statusIcon = '#iD-icon-' + (d.id < 0 ? 'plus' : (d.status === 'open' ? 'close' : 'apply'));
-	            iconEnter
-	                .append('div')
-	                .attr('class', 'note-icon-annotation')
-	                .call(svgIcon(statusIcon, 'icon-annotation'));
-	        });
-
-	        headerEnter
-	            .append('div')
-	            .attr('class', 'note-header-label')
-	            .text(function(d) {
-	                if (_note.isNew()) { return _t('note.new'); }
-	                return _t('note.note') + ' ' + d.id + ' ' +
-	                    (d.status === 'closed' ? _t('note.closed') : '');
-	            });
-	    }
-
-
-	    noteHeader.note = function(val) {
-	        if (!arguments.length) return _note;
-	        _note = val;
-	        return noteHeader;
-	    };
-
-
-	    return noteHeader;
-	}
-
-	function uiNoteReport() {
-	    var _note;
-
-	    function noteReport(selection) {
-	        var url;
-	        if (services.osm && (_note instanceof osmNote) && (!_note.isNew())) {
-	            url = services.osm.noteReportURL(_note);
-	        }
-
-	        var link = selection.selectAll('.note-report')
-	            .data(url ? [url] : []);
-
-	        // exit
-	        link.exit()
-	            .remove();
-
-	        // enter
-	        var linkEnter = link.enter()
-	            .append('a')
-	            .attr('class', 'note-report')
-	            .attr('target', '_blank')
-	            .attr('href', function(d) { return d; })
-	            .call(svgIcon('#iD-icon-out-link', 'inline'));
-
-	        linkEnter
-	            .append('span')
-	            .text(_t('note.report'));
-	    }
-
-
-	    noteReport.note = function(val) {
-	        if (!arguments.length) return _note;
-	        _note = val;
-	        return noteReport;
-	    };
-
-	    return noteReport;
-	}
-
-	function uiViewOnOSM(context) {
-	    var _what;   // an osmEntity or osmNote
-
-
-	    function viewOnOSM(selection) {
-	        var url;
-	        if (_what instanceof osmEntity) {
-	            url = context.connection().entityURL(_what);
-	        } else if (_what instanceof osmNote) {
-	            url = context.connection().noteURL(_what);
-	        }
-
-	        var data = ((!_what || _what.isNew()) ? [] : [_what]);
-	        var link = selection.selectAll('.view-on-osm')
-	            .data(data, function(d) { return d.id; });
-
-	        // exit
-	        link.exit()
-	            .remove();
-
-	        // enter
-	        var linkEnter = link.enter()
-	            .append('a')
-	            .attr('class', 'view-on-osm')
-	            .attr('target', '_blank')
-	            .attr('href', url)
-	            .call(svgIcon('#iD-icon-out-link', 'inline'));
-
-	        linkEnter
-	            .append('span')
-	            .text(_t('inspector.view_on_osm'));
-	    }
-
-
-	    viewOnOSM.what = function(_) {
-	        if (!arguments.length) return _what;
-	        _what = _;
-	        return viewOnOSM;
-	    };
-
-	    return viewOnOSM;
-	}
-
-	function uiNoteEditor(context) {
-	    var dispatch$1 = dispatch('change');
-	    var noteComments = uiNoteComments();
-	    var noteHeader = uiNoteHeader();
-
-	    // var formFields = uiFormFields(context);
-
-	    var _note;
-	    var _newNote;
-	    // var _fieldsArr;
-
-
-	    function noteEditor(selection) {
-
-	        var header = selection.selectAll('.header')
-	            .data([0]);
-
-	        var headerEnter = header.enter()
-	            .append('div')
-	            .attr('class', 'header fillL');
-
-	        headerEnter
-	            .append('button')
-	            .attr('class', 'close')
-	            .on('click', function() {
-	                context.enter(modeBrowse(context));
-	            })
-	            .call(svgIcon('#iD-icon-close'));
-
-	        headerEnter
-	            .append('h3')
-	            .text(_t('note.title'));
-
-
-	        var body = selection.selectAll('.body')
-	            .data([0]);
-
-	        body = body.enter()
-	            .append('div')
-	            .attr('class', 'body')
-	            .merge(body);
-
-	        var editor = body.selectAll('.note-editor')
-	            .data([0]);
-
-	        editor.enter()
-	            .append('div')
-	            .attr('class', 'modal-section note-editor')
-	            .merge(editor)
-	            .call(noteHeader.note(_note))
-	            .call(noteComments.note(_note))
-	            .call(noteSaveSection);
-
-	        var footer = selection.selectAll('.footer')
-	            .data([0]);
-
-	        footer.enter()
-	            .append('div')
-	            .attr('class', 'footer')
-	            .merge(footer)
-	            .call(uiViewOnOSM(context).what(_note))
-	            .call(uiNoteReport().note(_note));
-
-
-	        // rerender the note editor on any auth change
-	        var osm = services.osm;
-	        if (osm) {
-	            osm.on('change.note-save', function() {
-	                selection.call(noteEditor);
-	            });
-	        }
-	    }
-
-
-	    function noteSaveSection(selection) {
-	        var isSelected = (_note && _note.id === context.selectedNoteID());
-	        var noteSave = selection.selectAll('.note-save')
-	            .data((isSelected ? [_note] : []), function(d) { return d.status + d.id; });
-
-	        // exit
-	        noteSave.exit()
-	            .remove();
-
-	        // enter
-	        var noteSaveEnter = noteSave.enter()
-	            .append('div')
-	            .attr('class', 'note-save save-section cf');
-
-	        // // if new note, show categories to pick from
-	        // if (_note.isNew()) {
-	        //     var presets = presetManager;
-
-	        //     // NOTE: this key isn't a age and therefore there is no documentation (yet)
-	        //     _fieldsArr = [
-	        //         uiField(context, presets.field('category'), null, { show: true, revert: false }),
-	        //     ];
-
-	        //     _fieldsArr.forEach(function(field) {
-	        //         field
-	        //             .on('change', changeCategory);
-	        //     });
-
-	        //     noteSaveEnter
-	        //         .append('div')
-	        //         .attr('class', 'note-category')
-	        //         .call(formFields.fieldsArr(_fieldsArr));
-	        // }
-
-	        // function changeCategory() {
-	        //     // NOTE: perhaps there is a better way to get value
-	        //     var val = context.container().select('input[name=\'category\']:checked').property('__data__') || undefined;
-
-	        //     // store the unsaved category with the note itself
-	        //     _note = _note.update({ newCategory: val });
-	        //     var osm = services.osm;
-	        //     if (osm) {
-	        //         osm.replaceNote(_note);  // update note cache
-	        //     }
-	        //     noteSave
-	        //         .call(noteSaveButtons);
-	        // }
-
-	        noteSaveEnter
-	            .append('h4')
-	            .attr('class', '.note-save-header')
-	            .text(function() {
-	                return _note.isNew() ? _t('note.newDescription') : _t('note.newComment');
-	            });
-
-	        var commentTextarea = noteSaveEnter
-	            .append('textarea')
-	            .attr('class', 'new-comment-input')
-	            .attr('placeholder', _t('note.inputPlaceholder'))
-	            .attr('maxlength', 1000)
-	            .property('value', function(d) { return d.newComment; })
-	            .call(utilNoAuto)
-	            .on('keydown.note-input', keydown)
-	            .on('input.note-input', changeInput)
-	            .on('blur.note-input', changeInput);
-
-	        if (_newNote) {
-	            // autofocus the comment field for new notes
-	            commentTextarea.node().focus();
-	        }
-
-	        // update
-	        noteSave = noteSaveEnter
-	            .merge(noteSave)
-	            .call(userDetails)
-	            .call(noteSaveButtons);
-
-
-	        // fast submit if user presses cmd+enter
-	        function keydown() {
-	            if (!(event.keyCode === 13 && event.metaKey)) return;
-
-	            var osm = services.osm;
-	            if (!osm) return;
-
-	            var hasAuth = osm.authenticated();
-	            if (!hasAuth) return;
-
-	            if (!_note.newComment) return;
-
-	            event.preventDefault();
-
-	            select(this)
-	                .on('keydown.note-input', null);
-
-	            // focus on button and submit
-	            window.setTimeout(function() {
-	                if (_note.isNew()) {
-	                    noteSave.selectAll('.save-button').node().focus();
-	                    clickSave(_note);
-	                } else  {
-	                    noteSave.selectAll('.comment-button').node().focus();
-	                    clickComment(_note);
-	                }
-	            }, 10);
-	        }
-
-
-	        function changeInput() {
-	            var input = select(this);
-	            var val = input.property('value').trim() || undefined;
-
-	            // store the unsaved comment with the note itself
-	            _note = _note.update({ newComment: val });
-
-	            var osm = services.osm;
-	            if (osm) {
-	                osm.replaceNote(_note);  // update note cache
-	            }
-
-	            noteSave
-	                .call(noteSaveButtons);
-	        }
-	    }
-
-
-	    function userDetails(selection) {
-	        var detailSection = selection.selectAll('.detail-section')
-	            .data([0]);
-
-	        detailSection = detailSection.enter()
-	            .append('div')
-	            .attr('class', 'detail-section')
-	            .merge(detailSection);
-
-	        var osm = services.osm;
-	        if (!osm) return;
-
-	        // Add warning if user is not logged in
-	        var hasAuth = osm.authenticated();
-	        var authWarning = detailSection.selectAll('.auth-warning')
-	            .data(hasAuth ? [] : [0]);
-
-	        authWarning.exit()
-	            .transition()
-	            .duration(200)
-	            .style('opacity', 0)
-	            .remove();
-
-	        var authEnter = authWarning.enter()
-	            .insert('div', '.tag-reference-body')
-	            .attr('class', 'field-warning auth-warning')
-	            .style('opacity', 0);
-
-	        authEnter
-	            .call(svgIcon('#iD-icon-alert', 'inline'));
-
-	        authEnter
-	            .append('span')
-	            .text(_t('note.login'));
-
-	        authEnter
-	            .append('a')
-	            .attr('target', '_blank')
-	            .call(svgIcon('#iD-icon-out-link', 'inline'))
-	            .append('span')
-	            .text(_t('login'))
-	            .on('click.note-login', function() {
-	                event.preventDefault();
-	                osm.authenticate();
-	            });
-
-	        authEnter
-	            .transition()
-	            .duration(200)
-	            .style('opacity', 1);
-
-
-	        var prose = detailSection.selectAll('.note-save-prose')
-	            .data(hasAuth ? [0] : []);
-
-	        prose.exit()
-	            .remove();
-
-	        prose = prose.enter()
-	            .append('p')
-	            .attr('class', 'note-save-prose')
-	            .text(_t('note.upload_explanation'))
-	            .merge(prose);
-
-	        osm.userDetails(function(err, user) {
-	            if (err) return;
-
-	            var userLink = select(document.createElement('div'));
-
-	            if (user.image_url) {
-	                userLink
-	                    .append('img')
-	                    .attr('src', user.image_url)
-	                    .attr('class', 'icon pre-text user-icon');
-	            }
-
-	            userLink
-	                .append('a')
-	                .attr('class', 'user-info')
-	                .text(user.display_name)
-	                .attr('href', osm.userURL(user.display_name))
-	                .attr('tabindex', -1)
-	                .attr('target', '_blank');
-
-	            prose
-	                .html(_t('note.upload_explanation_with_user', { user: userLink.html() }));
-	        });
-	    }
-
-
-	    function noteSaveButtons(selection) {
-	        var osm = services.osm;
-	        var hasAuth = osm && osm.authenticated();
-
-	        var isSelected = (_note && _note.id === context.selectedNoteID());
-	        var buttonSection = selection.selectAll('.buttons')
-	            .data((isSelected ? [_note] : []), function(d) { return d.status + d.id; });
-
-	        // exit
-	        buttonSection.exit()
-	            .remove();
-
-	        // enter
-	        var buttonEnter = buttonSection.enter()
-	            .append('div')
-	            .attr('class', 'buttons');
-
-	        if (_note.isNew()) {
-	            buttonEnter
-	                .append('button')
-	                .attr('class', 'button cancel-button secondary-action')
-	                .text(_t('confirm.cancel'));
-
-	            buttonEnter
-	                .append('button')
-	                .attr('class', 'button save-button action')
-	                .text(_t('note.save'));
-
-	        } else {
-	            buttonEnter
-	                .append('button')
-	                .attr('class', 'button status-button action');
-
-	            buttonEnter
-	                .append('button')
-	                .attr('class', 'button comment-button action')
-	                .text(_t('note.comment'));
-	        }
-
-
-	        // update
-	        buttonSection = buttonSection
-	            .merge(buttonEnter);
-
-	        buttonSection.select('.cancel-button')   // select and propagate data
-	            .on('click.cancel', clickCancel);
-
-	        buttonSection.select('.save-button')     // select and propagate data
-	            .attr('disabled', isSaveDisabled)
-	            .on('click.save', clickSave);
-
-	        buttonSection.select('.status-button')   // select and propagate data
-	            .attr('disabled', (hasAuth ? null : true))
-	            .text(function(d) {
-	                var action = (d.status === 'open' ? 'close' : 'open');
-	                var andComment = (d.newComment ? '_comment' : '');
-	                return _t('note.' + action + andComment);
-	            })
-	            .on('click.status', clickStatus);
-
-	        buttonSection.select('.comment-button')   // select and propagate data
-	            .attr('disabled', isSaveDisabled)
-	            .on('click.comment', clickComment);
-
-
-	        function isSaveDisabled(d) {
-	            return (hasAuth && d.status === 'open' && d.newComment) ? null : true;
-	        }
-	    }
-
-
-
-	    function clickCancel(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        var osm = services.osm;
-	        if (osm) {
-	            osm.removeNote(d);
-	        }
-	        context.enter(modeBrowse(context));
-	        dispatch$1.call('change');
-	    }
-
-
-	    function clickSave(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        var osm = services.osm;
-	        if (osm) {
-	            osm.postNoteCreate(d, function(err, note) {
-	                dispatch$1.call('change', note);
-	            });
-	        }
-	    }
-
-
-	    function clickStatus(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        var osm = services.osm;
-	        if (osm) {
-	            var setStatus = (d.status === 'open' ? 'closed' : 'open');
-	            osm.postNoteUpdate(d, setStatus, function(err, note) {
-	                dispatch$1.call('change', note);
-	            });
-	        }
-	    }
-
-	    function clickComment(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        var osm = services.osm;
-	        if (osm) {
-	            osm.postNoteUpdate(d, d.status, function(err, note) {
-	                dispatch$1.call('change', note);
-	            });
-	        }
-	    }
-
-
-	    noteEditor.note = function(val) {
-	        if (!arguments.length) return _note;
-	        _note = val;
-	        return noteEditor;
-	    };
-
-	    noteEditor.newNote = function(val) {
-	        if (!arguments.length) return _newNote;
-	        _newNote = val;
-	        return noteEditor;
-	    };
-
-
-	    return utilRebind(noteEditor, dispatch$1, 'on');
-	}
-
-	function modeSelectNote(context, selectedNoteID) {
-	    var mode = {
-	        id: 'select-note',
-	        button: 'browse'
-	    };
-
-	    var _keybinding = utilKeybinding('select-note');
-	    var _noteEditor = uiNoteEditor(context)
-	        .on('change', function() {
-	            context.map().pan([0,0]);  // trigger a redraw
-	            var note = checkSelectedID();
-	            if (!note) return;
-	            context.ui().sidebar
-	                .show(_noteEditor.note(note));
-	        });
-
-	    var _behaviors = [
-	        behaviorBreathe(),
-	        behaviorHover(context),
-	        behaviorSelect(context),
-	        behaviorLasso(context),
-	        modeDragNode(context).behavior,
-	        modeDragNote(context).behavior
-	    ];
-
-	    var _newFeature = false;
-
-
-	    function checkSelectedID() {
-	        if (!services.osm) return;
-	        var note = services.osm.getNote(selectedNoteID);
-	        if (!note) {
-	            context.enter(modeBrowse(context));
-	        }
-	        return note;
-	    }
-
-
-	    // class the note as selected, or return to browse mode if the note is gone
-	    function selectNote(drawn) {
-	        if (!checkSelectedID()) return;
-
-	        var selection = context.surface().selectAll('.layer-notes .note-' + selectedNoteID);
-
-	        if (selection.empty()) {
-	            // Return to browse mode if selected DOM elements have
-	            // disappeared because the user moved them out of view..
-	            var source = event && event.type === 'zoom' && event.sourceEvent;
-	            if (drawn && source && (source.type === 'pointermove' || source.type === 'mousemove' || source.type === 'touchmove')) {
-	                context.enter(modeBrowse(context));
-	            }
-
-	        } else {
-	            selection
-	                .classed('selected', true);
-
-	            context.selectedNoteID(selectedNoteID);
-	        }
-	    }
-
-
-	    function esc() {
-	        if (context.container().select('.combobox').size()) return;
-	        context.enter(modeBrowse(context));
-	    }
-
-
-	    mode.zoomToSelected = function() {
-	        if (!services.osm) return;
-	        var note = services.osm.getNote(selectedNoteID);
-	        if (note) {
-	            context.map().centerZoomEase(note.loc, 20);
-	        }
-	    };
-
-
-	    mode.newFeature = function(val) {
-	        if (!arguments.length) return _newFeature;
-	        _newFeature = val;
-	        return mode;
-	    };
-
-
-	    mode.enter = function() {
-	        var note = checkSelectedID();
-	        if (!note) return;
-
-	        _behaviors.forEach(context.install);
-
-	        _keybinding
-	            .on(_t('inspector.zoom_to.key'), mode.zoomToSelected)
-	            .on('⎋', esc, true);
-
-	        select(document)
-	            .call(_keybinding);
-
-	        selectNote();
-
-	        var sidebar = context.ui().sidebar;
-	        sidebar.show(_noteEditor.note(note).newNote(_newFeature));
-
-	        // expand the sidebar, avoid obscuring the note if needed
-	        sidebar.expand(sidebar.intersects(note.extent()));
-
-	        context.map()
-	            .on('drawn.select', selectNote);
-	    };
-
-
-	    mode.exit = function() {
-	        _behaviors.forEach(context.uninstall);
-
-	        select(document)
-	            .call(_keybinding.unbind);
-
-	        context.surface()
-	            .selectAll('.layer-notes .selected')
-	            .classed('selected hover', false);
-
-	        context.map()
-	            .on('drawn.select', null);
-
-	        context.ui().sidebar
-	            .hide();
-
-	        context.selectedNoteID(null);
-	    };
-
-
-	    return mode;
-	}
-
-	function modeDragNote(context) {
-	    var mode = {
-	        id: 'drag-note',
-	        button: 'browse'
-	    };
-
-	    var edit = behaviorEdit(context);
-
-	    var _nudgeInterval;
-	    var _lastLoc;
-	    var _note;    // most current note.. dragged note may have stale datum.
-
-
-	    function startNudge(nudge) {
-	        if (_nudgeInterval) window.clearInterval(_nudgeInterval);
-	        _nudgeInterval = window.setInterval(function() {
-	            context.map().pan(nudge);
-	            doMove(nudge);
-	        }, 50);
-	    }
-
-
-	    function stopNudge() {
-	        if (_nudgeInterval) {
-	            window.clearInterval(_nudgeInterval);
-	            _nudgeInterval = null;
-	        }
-	    }
-
-
-	    function origin(note) {
-	        return context.projection(note.loc);
-	    }
-
-
-	    function start(note) {
-	        _note = note;
-	        var osm = services.osm;
-	        if (osm) {
-	            // Get latest note from cache.. The marker may have a stale datum bound to it
-	            // and dragging it around can sometimes delete the users note comment.
-	            _note = osm.getNote(_note.id);
-	        }
-
-	        context.surface().selectAll('.note-' + _note.id)
-	            .classed('active', true);
-
-	        context.perform(actionNoop());
-	        context.enter(mode);
-	        context.selectedNoteID(_note.id);
-	    }
-
-
-	    function move() {
-	        event.sourceEvent.stopPropagation();
-	        _lastLoc = context.projection.invert(event.point);
-
-	        doMove();
-	        var nudge = geoViewportEdge(event.point, context.map().dimensions());
-	        if (nudge) {
-	            startNudge(nudge);
-	        } else {
-	            stopNudge();
-	        }
-	    }
-
-
-	    function doMove(nudge) {
-	        nudge = nudge || [0, 0];
-
-	        var currPoint = (event && event.point) || context.projection(_lastLoc);
-	        var currMouse = geoVecSubtract(currPoint, nudge);
-	        var loc = context.projection.invert(currMouse);
-
-	        _note = _note.move(loc);
-
-	        var osm = services.osm;
-	        if (osm) {
-	            osm.replaceNote(_note);  // update note cache
-	        }
-
-	        context.replace(actionNoop());   // trigger redraw
-	    }
-
-
-	    function end() {
-	        context.replace(actionNoop());   // trigger redraw
-
-	        context
-	            .selectedNoteID(_note.id)
-	            .enter(modeSelectNote(context, _note.id));
-	    }
-
-
-	    var drag = behaviorDrag()
-	        .selector('.layer-touch.markers .target.note.new')
-	        .surface(context.container().select('.main-map').node())
-	        .origin(origin)
-	        .on('start', start)
-	        .on('move', move)
-	        .on('end', end);
-
-
-	    mode.enter = function() {
-	        context.install(edit);
-	    };
-
-
-	    mode.exit = function() {
-	        context.ui().sidebar.hover.cancel();
-	        context.uninstall(edit);
-
-	        context.surface()
-	            .selectAll('.active')
-	            .classed('active', false);
-
-	        stopNudge();
-	    };
-
-	    mode.behavior = drag;
-
-	    return mode;
-	}
-
-	function uiDataHeader() {
-	    var _datum;
-
-
-	    function dataHeader(selection) {
-	        var header = selection.selectAll('.data-header')
-	            .data(
-	                (_datum ? [_datum] : []),
-	                function(d) { return d.__featurehash__; }
-	            );
-
-	        header.exit()
-	            .remove();
-
-	        var headerEnter = header.enter()
-	            .append('div')
-	            .attr('class', 'data-header');
-
-	        var iconEnter = headerEnter
-	            .append('div')
-	            .attr('class', 'data-header-icon');
-
-	        iconEnter
-	            .append('div')
-	            .attr('class', 'preset-icon-28')
-	            .call(svgIcon('#iD-icon-data', 'note-fill'));
-
-	        headerEnter
-	            .append('div')
-	            .attr('class', 'data-header-label')
-	            .text(_t('map_data.layers.custom.title'));
-	    }
-
-
-	    dataHeader.datum = function(val) {
-	        if (!arguments.length) return _datum;
-	        _datum = val;
-	        return this;
-	    };
-
-
-	    return dataHeader;
-	}
-
-	// This code assumes that the combobox values will not have duplicate entries.
-	// It is keyed on the `value` of the entry. Data should be an array of objects like:
-	//   [{
-	//       value:  'display text',  // required
-	//       title:  'hover text'     // optional
-	//   }, ...]
-
-	var _comboHideTimerID;
-
-	function uiCombobox(context, klass) {
-	    var dispatch$1 = dispatch('accept', 'cancel');
-	    var container = context.container();
-
-	    var _suggestions = [];
-	    var _data = [];
-	    var _fetched = {};
-	    var _selected = null;
-	    var _canAutocomplete = true;
-	    var _caseSensitive = false;
-	    var _cancelFetch = false;
-	    var _minItems = 2;
-	    var _tDown = 0;
-	    var _mouseEnterHandler, _mouseLeaveHandler;
-
-	    var _fetcher = function(val, cb) {
-	        cb(_data.filter(function(d) {
-	            var terms = d.terms || [];
-	            terms.push(d.value);
-	            return terms.some(function(term) {
-	                return term
-	                    .toString()
-	                    .toLowerCase()
-	                    .indexOf(val.toLowerCase()) !== -1;
-	            });
-	        }));
-	    };
-
-	    var combobox = function(input, attachTo) {
-	        if (!input || input.empty()) return;
-
-	        input
-	            .classed('combobox-input', true)
-	            .on('focus.combo-input', focus)
-	            .on('blur.combo-input', blur)
-	            .on('keydown.combo-input', keydown)
-	            .on('keyup.combo-input', keyup)
-	            .on('input.combo-input', change)
-	            .on('mousedown.combo-input', mousedown)
-	            .each(function() {
-	                var parent = this.parentNode;
-	                var sibling = this.nextSibling;
-
-	                select(parent).selectAll('.combobox-caret')
-	                    .filter(function(d) { return d === input.node(); })
-	                    .data([input.node()])
-	                    .enter()
-	                    .insert('div', function() { return sibling; })
-	                    .attr('class', 'combobox-caret')
-	                    .on('mousedown.combo-caret', function() {
-	                        event.preventDefault(); // don't steal focus from input
-	                        input.node().focus(); // focus the input as if it was clicked
-	                        mousedown();
-	                    })
-	                    .on('mouseup.combo-caret', function() {
-	                        event.preventDefault(); // don't steal focus from input
-	                        mouseup();
-	                    });
-	            });
-
-
-	        function mousedown() {
-	            if (event.button !== 0) return;    // left click only
-	            _tDown = +new Date();
-
-	            // clear selection
-	            var start = input.property('selectionStart');
-	            var end = input.property('selectionEnd');
-	            if (start !== end) {
-	                var val = utilGetSetValue(input);
-	                input.node().setSelectionRange(val.length, val.length);
-	                return;
-	            }
-
-	            input.on('mouseup.combo-input', mouseup);
-	        }
-
-
-	        function mouseup() {
-	            input.on('mouseup.combo-input', null);
-	            if (event.button !== 0) return;    // left click only
-	            if (input.node() !== document.activeElement) return;   // exit if this input is not focused
-
-	            var start = input.property('selectionStart');
-	            var end = input.property('selectionEnd');
-	            if (start !== end) return;  // exit if user is selecting
-
-	            // not showing or showing for a different field - try to show it.
-	            var combo = container.selectAll('.combobox');
-	            if (combo.empty() || combo.datum() !== input.node()) {
-	                var tOrig = _tDown;
-	                window.setTimeout(function() {
-	                    if (tOrig !== _tDown) return;   // exit if user double clicked
-	                    fetchComboData('', function() {
-	                        show();
-	                        render();
-	                    });
-	                }, 250);
-
-	            } else {
-	                hide();
-	            }
-	        }
-
-
-	        function focus() {
-	            fetchComboData('');   // prefetch values (may warm taginfo cache)
-	        }
-
-
-	        function blur() {
-	            _comboHideTimerID = window.setTimeout(hide, 75);
-	        }
-
-
-	        function show() {
-	            hide();   // remove any existing
-
-	            container
-	                .insert('div', ':first-child')
-	                .datum(input.node())
-	                .attr('class', 'combobox' + (klass ? ' combobox-' + klass : ''))
-	                .style('position', 'absolute')
-	                .style('display', 'block')
-	                .style('left', '0px')
-	                .on('mousedown.combo-container', function () {
-	                    // prevent moving focus out of the input field
-	                    event.preventDefault();
-	                });
-
-	            container
-	                .on('scroll.combo-scroll', render, true);
-	        }
-
-
-	        function hide() {
-	            if (_comboHideTimerID) {
-	                window.clearTimeout(_comboHideTimerID);
-	                _comboHideTimerID = undefined;
-	            }
-
-	            container.selectAll('.combobox')
-	                .remove();
-
-	            container
-	                .on('scroll.combo-scroll', null);
-	        }
-
-
-	        function keydown() {
-	            var shown = !container.selectAll('.combobox').empty();
-	            var tagName = input.node() ? input.node().tagName.toLowerCase() : '';
-
-	            switch (event.keyCode) {
-	                case 8:   // ⌫ Backspace
-	                case 46:  // ⌦ Delete
-	                    event.stopPropagation();
-	                    _selected = null;
-	                    render();
-	                    input.on('input.combo-input', function() {
-	                        var start = input.property('selectionStart');
-	                        input.node().setSelectionRange(start, start);
-	                        input.on('input.combo-input', change);
-	                    });
-	                    break;
-
-	                case 9:   // ⇥ Tab
-	                    accept();
-	                    break;
-
-	                case 13:  // ↩ Return
-	                    event.preventDefault();
-	                    event.stopPropagation();
-	                    break;
-
-	                case 38:  // ↑ Up arrow
-	                    if (tagName === 'textarea' && !shown) return;
-	                    event.preventDefault();
-	                    if (tagName === 'input' && !shown) {
-	                        show();
-	                    }
-	                    nav(-1);
-	                    break;
-
-	                case 40:  // ↓ Down arrow
-	                    if (tagName === 'textarea' && !shown) return;
-	                    event.preventDefault();
-	                    if (tagName === 'input' && !shown) {
-	                        show();
-	                    }
-	                    nav(+1);
-	                    break;
-	            }
-	        }
-
-
-	        function keyup() {
-	            switch (event.keyCode) {
-	                case 27:  // ⎋ Escape
-	                    cancel();
-	                    break;
-
-	                case 13:  // ↩ Return
-	                    accept();
-	                    break;
-	            }
-	        }
-
-
-	        // Called whenever the input value is changed (e.g. on typing)
-	        function change() {
-	            fetchComboData(value(), function() {
-	                _selected = null;
-	                var val = input.property('value');
-
-	                if (_suggestions.length) {
-	                    if (input.property('selectionEnd') === val.length) {
-	                        _selected = tryAutocomplete();
-	                    }
-
-	                    if (!_selected) {
-	                        _selected = val;
-	                    }
-	                }
-
-	                if (val.length) {
-	                    var combo = container.selectAll('.combobox');
-	                    if (combo.empty()) {
-	                        show();
-	                    }
-	                } else {
-	                    hide();
-	                }
-
-	                render();
-	            });
-	        }
-
-
-	        // Called when the user presses up/down arrows to navigate the list
-	        function nav(dir) {
-	            if (_suggestions.length) {
-	                // try to determine previously selected index..
-	                var index = -1;
-	                for (var i = 0; i < _suggestions.length; i++) {
-	                    if (_selected && _suggestions[i].value === _selected) {
-	                        index = i;
-	                        break;
-	                    }
-	                }
-
-	                // pick new _selected
-	                index = Math.max(Math.min(index + dir, _suggestions.length - 1), 0);
-	                _selected = _suggestions[index].value;
-	                input.property('value', _selected);
-	            }
-
-	            render();
-	            ensureVisible();
-	        }
-
-
-	        function ensureVisible() {
-	            var combo = container.selectAll('.combobox');
-	            if (combo.empty()) return;
-
-	            var containerRect = container.node().getBoundingClientRect();
-	            var comboRect = combo.node().getBoundingClientRect();
-
-	            if (comboRect.bottom > containerRect.bottom) {
-	                var node = attachTo ? attachTo.node() : input.node();
-	                node.scrollIntoView({ behavior: 'instant', block: 'center' });
-	                render();
-	            }
-
-	            // https://stackoverflow.com/questions/11039885/scrollintoview-causing-the-whole-page-to-move
-	            var selected = combo.selectAll('.combobox-option.selected').node();
-	            if (selected) {
-	                selected.scrollIntoView({ behavior: 'smooth', block: 'nearest' });
-	            }
-	        }
-
-
-	        function value() {
-	            var value = input.property('value');
-	            var start = input.property('selectionStart');
-	            var end = input.property('selectionEnd');
-
-	            if (start && end) {
-	                value = value.substring(0, start);
-	            }
-
-	            return value;
-	        }
-
-
-	        function fetchComboData(v, cb) {
-	            _cancelFetch = false;
-
-	            _fetcher.call(input, v, function(results) {
-	                // already chose a value, don't overwrite or autocomplete it
-	                if (_cancelFetch) return;
-
-	                _suggestions = results;
-	                results.forEach(function(d) { _fetched[d.value] = d; });
-
-	                if (cb) {
-	                    cb();
-	                }
-	            });
-	        }
-
-
-	        function tryAutocomplete() {
-	            if (!_canAutocomplete) return;
-
-	            var val = _caseSensitive ? value() : value().toLowerCase();
-	            if (!val) return;
-
-	            // Don't autocomplete if user is typing a number - #4935
-	            if (!isNaN(parseFloat(val)) && isFinite(val)) return;
-
-	            var bestIndex = -1;
-	            for (var i = 0; i < _suggestions.length; i++) {
-	                var suggestion = _suggestions[i].value;
-	                var compare = _caseSensitive ? suggestion : suggestion.toLowerCase();
-
-	                // if search string matches suggestion exactly, pick it..
-	                if (compare === val) {
-	                    bestIndex = i;
-	                    break;
-
-	                // otherwise lock in the first result that starts with the search string..
-	                } else if (bestIndex === -1 && compare.indexOf(val) === 0) {
-	                    bestIndex = i;
-	                }
-	            }
-
-	            if (bestIndex !== -1) {
-	                var bestVal = _suggestions[bestIndex].value;
-	                input.property('value', bestVal);
-	                input.node().setSelectionRange(val.length, bestVal.length);
-	                return bestVal;
-	            }
-	        }
-
-
-	        function render() {
-	            if (_suggestions.length < _minItems || document.activeElement !== input.node()) {
-	                hide();
-	                return;
-	            }
-
-	            var shown = !container.selectAll('.combobox').empty();
-	            if (!shown) return;
-
-	            var combo = container.selectAll('.combobox');
-	            var options = combo.selectAll('.combobox-option')
-	                .data(_suggestions, function(d) { return d.value; });
-
-	            options.exit()
-	                .remove();
-
-	            // enter/update
-	            options.enter()
-	                .append('a')
-	                .attr('class', 'combobox-option')
-	                .attr('title', function(d) { return d.title; })
-	                .text(function(d) { return d.display || d.value; })
-	                .on('mouseenter', _mouseEnterHandler)
-	                .on('mouseleave', _mouseLeaveHandler)
-	                .merge(options)
-	                .classed('selected', function(d) { return d.value === _selected; })
-	                .on('click.combo-option', accept)
-	                .order();
-
-	            var node = attachTo ? attachTo.node() : input.node();
-	            var containerRect = container.node().getBoundingClientRect();
-	            var rect = node.getBoundingClientRect();
-
-	            combo
-	                .style('left', (rect.left + 5 - containerRect.left) + 'px')
-	                .style('width', (rect.width - 10) + 'px')
-	                .style('top', (rect.height + rect.top - containerRect.top) + 'px');
-	        }
-
-
-	        // Dispatches an 'accept' event
-	        // Then hides the combobox.
-	        function accept(d) {
-	            _cancelFetch = true;
-	            var thiz = input.node();
-
-	            if (d) {   // user clicked on a suggestion
-	                utilGetSetValue(input, d.value);    // replace field contents
-	                utilTriggerEvent(input, 'change');
-	            }
-
-	            // clear (and keep) selection
-	            var val = utilGetSetValue(input);
-	            thiz.setSelectionRange(val.length, val.length);
-
-	            d = _fetched[val];
-	            dispatch$1.call('accept', thiz, d, val);
-	            hide();
-	        }
-
-
-	        // Dispatches an 'cancel' event
-	        // Then hides the combobox.
-	        function cancel() {
-	            _cancelFetch = true;
-	            var thiz = input.node();
-
-	            // clear (and remove) selection, and replace field contents
-	            var val = utilGetSetValue(input);
-	            var start = input.property('selectionStart');
-	            var end = input.property('selectionEnd');
-	            val = val.slice(0, start) + val.slice(end);
-	            utilGetSetValue(input, val);
-	            thiz.setSelectionRange(val.length, val.length);
-
-	            dispatch$1.call('cancel', thiz);
-	            hide();
-	        }
-
-	    };
-
-
-	    combobox.canAutocomplete = function(val) {
-	        if (!arguments.length) return _canAutocomplete;
-	        _canAutocomplete = val;
-	        return combobox;
-	    };
-
-	    combobox.caseSensitive = function(val) {
-	        if (!arguments.length) return _caseSensitive;
-	        _caseSensitive = val;
-	        return combobox;
-	    };
-
-	    combobox.data = function(val) {
-	        if (!arguments.length) return _data;
-	        _data = val;
-	        return combobox;
-	    };
-
-	    combobox.fetcher = function(val) {
-	        if (!arguments.length) return _fetcher;
-	        _fetcher = val;
-	        return combobox;
-	    };
-
-	    combobox.minItems = function(val) {
-	        if (!arguments.length) return _minItems;
-	        _minItems = val;
-	        return combobox;
-	    };
-
-	    combobox.itemsMouseEnter = function(val) {
-	        if (!arguments.length) return _mouseEnterHandler;
-	        _mouseEnterHandler = val;
-	        return combobox;
-	    };
-
-	    combobox.itemsMouseLeave = function(val) {
-	        if (!arguments.length) return _mouseLeaveHandler;
-	        _mouseLeaveHandler = val;
-	        return combobox;
-	    };
-
-	    return utilRebind(combobox, dispatch$1, 'on');
-	}
-
-
-	uiCombobox.off = function(input, context) {
-	    input
-	        .on('focus.combo-input', null)
-	        .on('blur.combo-input', null)
-	        .on('keydown.combo-input', null)
-	        .on('keyup.combo-input', null)
-	        .on('input.combo-input', null)
-	        .on('mousedown.combo-input', null)
-	        .on('mouseup.combo-input', null);
-
-
-	    context.container()
-	        .on('scroll.combo-scroll', null);
-	};
-
-	// toggles the visibility of ui elements, using a combination of the
-	// hide class, which sets display=none, and a d3 transition for opacity.
-	// this will cause blinking when called repeatedly, so check that the
-	// value actually changes between calls.
-	function uiToggle(show, callback) {
-	    return function(selection) {
-	        selection
-	            .style('opacity', show ? 0 : 1)
-	            .classed('hide', false)
-	            .transition()
-	            .style('opacity', show ? 1 : 0)
-	            .on('end', function() {
-	                select(this)
-	                    .classed('hide', !show)
-	                    .style('opacity', null);
-	                if (callback) callback.apply(this);
-	            });
-	    };
-	}
-
-	function uiDisclosure(context, key, expandedDefault) {
-	    var dispatch$1 = dispatch('toggled');
-	    var _expanded;
-	    var _title = utilFunctor('');
-	    var _updatePreference = true;
-	    var _content = function () {};
-
-
-	    var disclosure = function(selection) {
-
-	        if (_expanded === undefined || _expanded === null) {
-	            // loading _expanded here allows it to be reset by calling `disclosure.expanded(null)`
-
-	            var preference = corePreferences('disclosure.' + key + '.expanded');
-	            _expanded = preference === null ? !!expandedDefault : (preference === 'true');
-	        }
-
-	        var hideToggle = selection.selectAll('.hide-toggle-' + key)
-	            .data([0]);
-
-	        // enter
-	        var hideToggleEnter = hideToggle.enter()
-	            .append('a')
-	            .attr('href', '#')
-	            .attr('class', 'hide-toggle hide-toggle-' + key)
-	            .call(svgIcon('', 'pre-text', 'hide-toggle-icon'));
-
-	        hideToggleEnter
-	            .append('span')
-	            .attr('class', 'hide-toggle-text');
-
-	        // update
-	        hideToggle = hideToggleEnter
-	            .merge(hideToggle);
-
-	        hideToggle
-	            .on('click', toggle)
-	            .classed('expanded', _expanded);
-
-	        hideToggle.selectAll('.hide-toggle-text')
-	            .text(_title());
-
-	        hideToggle.selectAll('.hide-toggle-icon')
-	            .attr('xlink:href', _expanded ? '#iD-icon-down'
-	                : (_mainLocalizer.textDirection() === 'rtl') ? '#iD-icon-backward' : '#iD-icon-forward'
-	            );
-
-
-	        var wrap = selection.selectAll('.disclosure-wrap')
-	            .data([0]);
-
-	        // enter/update
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'disclosure-wrap disclosure-wrap-' + key)
-	            .merge(wrap)
-	            .classed('hide', !_expanded);
-
-	        if (_expanded) {
-	            wrap
-	                .call(_content);
-	        }
-
-
-	        function toggle() {
-	            event.preventDefault();
-
-	            _expanded = !_expanded;
-
-	            if (_updatePreference) {
-	                corePreferences('disclosure.' + key + '.expanded', _expanded);
-	            }
-
-	            hideToggle
-	                .classed('expanded', _expanded);
-
-	            hideToggle.selectAll('.hide-toggle-icon')
-	                .attr('xlink:href', _expanded ? '#iD-icon-down'
-	                    : (_mainLocalizer.textDirection() === 'rtl') ? '#iD-icon-backward' : '#iD-icon-forward'
-	                );
-
-	            wrap
-	                .call(uiToggle(_expanded));
-
-	            if (_expanded) {
-	                wrap
-	                    .call(_content);
-	            }
-
-	            dispatch$1.call('toggled', this, _expanded);
-	        }
-	    };
-
-
-	    disclosure.title = function(val) {
-	        if (!arguments.length) return _title;
-	        _title = utilFunctor(val);
-	        return disclosure;
-	    };
-
-
-	    disclosure.expanded = function(val) {
-	        if (!arguments.length) return _expanded;
-	        _expanded = val;
-	        return disclosure;
-	    };
-
-
-	    disclosure.updatePreference = function(val) {
-	        if (!arguments.length) return _updatePreference;
-	        _updatePreference = val;
-	        return disclosure;
-	    };
-
-
-	    disclosure.content = function(val) {
-	        if (!arguments.length) return _content;
-	        _content = val;
-	        return disclosure;
-	    };
-
-
-	    return utilRebind(disclosure, dispatch$1, 'on');
-	}
-
-	// A unit of controls or info to be used in a layout, such as within a pane.
-	// Can be labeled and collapsible.
-	function uiSection(id, context) {
-
-	    var _classes = utilFunctor('');
-	    var _shouldDisplay;
-	    var _content;
-
-	    var _disclosure;
-	    var _title;
-	    var _expandedByDefault = utilFunctor(true);
-	    var _disclosureContent;
-	    var _disclosureExpanded;
-
-	    var _containerSelection = select(null);
-
-	    var section = {
-	        id: id
-	    };
-
-	    section.classes = function(val) {
-	        if (!arguments.length) return _classes;
-	        _classes = utilFunctor(val);
-	        return section;
-	    };
-
-	    section.title = function(val) {
-	        if (!arguments.length) return _title;
-	        _title = utilFunctor(val);
-	        return section;
-	    };
-
-	    section.expandedByDefault = function(val) {
-	        if (!arguments.length) return _expandedByDefault;
-	        _expandedByDefault = utilFunctor(val);
-	        return section;
-	    };
-
-	    section.shouldDisplay = function(val) {
-	        if (!arguments.length) return _shouldDisplay;
-	        _shouldDisplay = utilFunctor(val);
-	        return section;
-	    };
-
-	    section.content = function(val) {
-	        if (!arguments.length) return _content;
-	        _content = val;
-	        return section;
-	    };
-
-	    section.disclosureContent = function(val) {
-	        if (!arguments.length) return _disclosureContent;
-	        _disclosureContent = val;
-	        return section;
-	    };
-
-	    section.disclosureExpanded = function(val) {
-	        if (!arguments.length) return _disclosureExpanded;
-	        _disclosureExpanded = val;
-	        return section;
-	    };
-
-	    // may be called multiple times
-	    section.render = function(selection) {
-
-	        _containerSelection = selection
-	            .selectAll('.section-' + id)
-	            .data([0]);
-
-	        var sectionEnter = _containerSelection
-	            .enter()
-	            .append('div')
-	            .attr('class', 'section section-' + id + ' ' + (_classes && _classes() || ''));
-
-	        _containerSelection = sectionEnter
-	            .merge(_containerSelection);
-
-	        _containerSelection
-	            .call(renderContent);
-	    };
-
-	    section.reRender = function() {
-	        _containerSelection
-	            .call(renderContent);
-	    };
-
-	    section.selection = function() {
-	        return _containerSelection;
-	    };
-
-	    section.disclosure = function() {
-	        return _disclosure;
-	    };
-
-	    // may be called multiple times
-	    function renderContent(selection) {
-	        if (_shouldDisplay) {
-	            var shouldDisplay = _shouldDisplay();
-	            selection.classed('hide', !shouldDisplay);
-	            if (!shouldDisplay) {
-	                selection.html('');
-	                return;
-	            }
-	        }
-
-	        if (_disclosureContent) {
-	            if (!_disclosure) {
-	                _disclosure = uiDisclosure(context, id.replace(/-/g, '_'), _expandedByDefault())
-	                    .title(_title || '')
-	                    /*.on('toggled', function(expanded) {
-	                        if (expanded) { selection.node().parentNode.scrollTop += 200; }
-	                    })*/
-	                    .content(_disclosureContent);
-	            }
-	            if (_disclosureExpanded !== undefined) {
-	                _disclosure.expanded(_disclosureExpanded);
-	                _disclosureExpanded = undefined;
-	            }
-	            selection
-	                .call(_disclosure);
-
-	            return;
-	        }
-
-	        if (_content) {
-	            selection
-	                .call(_content);
-	        }
-	    }
-
-	    return section;
-	}
-
-	// Pass `which` object of the form:
-	// {
-	//   key: 'string',     // required
-	//   value: 'string'    // optional
-	// }
-	//   -or-
-	// {
-	//   rtype: 'string'    // relation type  (e.g. 'multipolygon')
-	// }
-	//   -or-
-	// {
-	//   qid: 'string'      // brand wikidata  (e.g. 'Q37158')
-	// }
-	//
-	function uiTagReference(what) {
-	    var wikibase = what.qid ? services.wikidata : services.osmWikibase;
-	    var tagReference = {};
-
-	    var _button = select(null);
-	    var _body = select(null);
-	    var _loaded;
-	    var _showing;
-
-
-	    function load() {
-	        if (!wikibase) return;
-
-	        _button
-	            .classed('tag-reference-loading', true);
-
-	        wikibase.getDocs(what, gotDocs);
-	    }
-
-
-	    function gotDocs(err, docs) {
-	        _body.html('');
-
-	        if (!docs || !docs.title) {
-	            _body
-	                .append('p')
-	                .attr('class', 'tag-reference-description')
-	                .text(_t('inspector.no_documentation_key'));
-	            done();
-	            return;
-	        }
-
-	        if (docs.imageURL) {
-	            _body
-	                .append('img')
-	                .attr('class', 'tag-reference-wiki-image')
-	                .attr('src', docs.imageURL)
-	                .on('load', function() { done(); })
-	                .on('error', function() { select(this).remove(); done(); });
-	        } else {
-	            done();
-	        }
-
-	        _body
-	            .append('p')
-	            .attr('class', 'tag-reference-description')
-	            .text(docs.description || _t('inspector.no_documentation_key'))
-	            .append('a')
-	            .attr('class', 'tag-reference-edit')
-	            .attr('target', '_blank')
-	            .attr('tabindex', -1)
-	            .attr('title', _t('inspector.edit_reference'))
-	            .attr('href', docs.editURL)
-	            .call(svgIcon('#iD-icon-edit', 'inline'));
-
-	        if (docs.wiki) {
-	            _body
-	              .append('a')
-	              .attr('class', 'tag-reference-link')
-	              .attr('target', '_blank')
-	              .attr('tabindex', -1)
-	              .attr('href', docs.wiki.url)
-	              .call(svgIcon('#iD-icon-out-link', 'inline'))
-	              .append('span')
-	              .text(_t(docs.wiki.text));
-	        }
-
-	        // Add link to info about "good changeset comments" - #2923
-	        if (what.key === 'comment') {
-	            _body
-	                .append('a')
-	                .attr('class', 'tag-reference-comment-link')
-	                .attr('target', '_blank')
-	                .attr('tabindex', -1)
-	                .call(svgIcon('#iD-icon-out-link', 'inline'))
-	                .attr('href', _t('commit.about_changeset_comments_link'))
-	                .append('span')
-	                .text(_t('commit.about_changeset_comments'));
-	        }
-	    }
-
-
-	    function done() {
-	        _loaded = true;
-
-	        _button
-	            .classed('tag-reference-loading', false);
-
-	        _body
-	            .classed('expanded', true)
-	            .transition()
-	            .duration(200)
-	            .style('max-height', '200px')
-	            .style('opacity', '1');
-
-	        _showing = true;
-
-	        _button.selectAll('svg.icon use').each(function() {
-	            var iconUse = select(this);
-	            if (iconUse.attr('href') === '#iD-icon-info') {
-	                iconUse.attr('href', '#iD-icon-info-filled');
-	            }
-	        });
-	    }
-
-
-	    function hide() {
-	        _body
-	            .transition()
-	            .duration(200)
-	            .style('max-height', '0px')
-	            .style('opacity', '0')
-	            .on('end', function () {
-	                _body.classed('expanded', false);
-	            });
-
-	        _showing = false;
-
-	        _button.selectAll('svg.icon use').each(function() {
-	            var iconUse = select(this);
-	            if (iconUse.attr('href') === '#iD-icon-info-filled') {
-	                iconUse.attr('href', '#iD-icon-info');
-	            }
-	        });
-
-	    }
-
-
-	    tagReference.button = function(selection, klass, iconName) {
-	        _button = selection.selectAll('.tag-reference-button')
-	            .data([0]);
-
-	        _button = _button.enter()
-	            .append('button')
-	            .attr('class', 'tag-reference-button ' + klass)
-	            .attr('title', _t('icons.information'))
-	            .attr('tabindex', -1)
-	            .call(svgIcon('#iD-icon-' + (iconName || 'inspect')))
-	            .merge(_button);
-
-	        _button
-	            .on('click', function () {
-	                event.stopPropagation();
-	                event.preventDefault();
-	                this.blur();    // avoid keeping focus on the button - #4641
-	                if (_showing) {
-	                    hide();
-	                } else if (_loaded) {
-	                    done();
-	                } else {
-	                    load();
-	                }
-	            });
-	    };
-
-
-	    tagReference.body = function(selection) {
-	        var itemID = what.qid || what.rtype || (what.key + '-' + what.value);
-	        _body = selection.selectAll('.tag-reference-body')
-	            .data([itemID], function(d) { return d; });
-
-	        _body.exit()
-	            .remove();
-
-	        _body = _body.enter()
-	            .append('div')
-	            .attr('class', 'tag-reference-body')
-	            .style('max-height', '0')
-	            .style('opacity', '0')
-	            .merge(_body);
-
-	        if (_showing === false) {
-	            hide();
-	        }
-	    };
-
-
-	    tagReference.showing = function(val) {
-	        if (!arguments.length) return _showing;
-	        _showing = val;
-	        return tagReference;
-	    };
-
-
-	    return tagReference;
-	}
-
-	function uiSectionRawTagEditor(id, context) {
-
-	    var section = uiSection(id, context)
-	        .classes('raw-tag-editor')
-	        .title(function() {
-	            var count = Object.keys(_tags).filter(function(d) { return d; }).length;
-	            return _t('inspector.title_count', { title: _t('inspector.tags'), count: count });
-	        })
-	        .expandedByDefault(false)
-	        .disclosureContent(renderDisclosureContent);
-
-	    var taginfo = services.taginfo;
-	    var dispatch$1 = dispatch('change');
-	    var availableViews = [
-	        { id: 'text', icon: '#fas-i-cursor' },
-	        { id: 'list', icon: '#fas-th-list' }
-	    ];
-
-	    var _tagView = (corePreferences('raw-tag-editor-view') || 'list');   // 'list, 'text'
-	    var _readOnlyTags = [];
-	    // the keys in the order we want them to display
-	    var _orderedKeys = [];
-	    var _showBlank = false;
-	    var _pendingChange = null;
-	    var _state;
-	    var _presets;
-	    var _tags;
-	    var _entityIDs;
-
-	    function renderDisclosureContent(wrap) {
-
-	        // remove deleted keys
-	        _orderedKeys = _orderedKeys.filter(function(key) {
-	            return _tags[key] !== undefined;
-	        });
-
-	        // When switching to a different entity or changing the state (hover/select)
-	        // reorder the keys alphabetically.
-	        // We trigger this by emptying the `_orderedKeys` array, then it will be rebuilt here.
-	        // Otherwise leave their order alone - #5857, #5927
-	        var all = Object.keys(_tags).sort();
-	        var missingKeys = utilArrayDifference(all, _orderedKeys);
-	        for (var i in missingKeys) {
-	            _orderedKeys.push(missingKeys[i]);
-	        }
-
-	        // assemble row data
-	        var rowData = _orderedKeys.map(function(key, i) {
-	            return { index: i, key: key, value: _tags[key] };
-	        });
-
-	        // append blank row last, if necessary
-	        if (!rowData.length || _showBlank) {
-	            _showBlank = false;
-	            rowData.push({ index: rowData.length, key: '', value: '' });
-	        }
-
-
-	        // View Options
-	        var options = wrap.selectAll('.raw-tag-options')
-	            .data([0]);
-
-	        options.exit()
-	            .remove();
-
-	        var optionsEnter = options.enter()
-	            .insert('div', ':first-child')
-	            .attr('class', 'raw-tag-options');
-
-	        var optionEnter = optionsEnter.selectAll('.raw-tag-option')
-	            .data(availableViews, function(d) { return d.id; })
-	            .enter();
-
-	        optionEnter
-	            .append('button')
-	            .attr('class', function(d) {
-	                return 'raw-tag-option raw-tag-option-' + d.id + (_tagView === d.id ? ' selected' : '');
-	            })
-	            .attr('title', function(d) { return _t('icons.' + d.id); })
-	            .on('click', function(d) {
-	                _tagView = d.id;
-	                corePreferences('raw-tag-editor-view', d.id);
-
-	                wrap.selectAll('.raw-tag-option')
-	                    .classed('selected', function(datum) { return datum === d; });
-
-	                wrap.selectAll('.tag-text')
-	                    .classed('hide', (d.id !== 'text'))
-	                    .each(setTextareaHeight);
-
-	                wrap.selectAll('.tag-list, .add-row')
-	                    .classed('hide', (d.id !== 'list'));
-	            })
-	            .each(function(d) {
-	                select(this)
-	                    .call(svgIcon(d.icon));
-	            });
-
-
-	        // View as Text
-	        var textData = rowsToText(rowData);
-	        var textarea = wrap.selectAll('.tag-text')
-	            .data([0]);
-
-	        textarea = textarea.enter()
-	            .append('textarea')
-	            .attr('class', 'tag-text' + (_tagView !== 'text' ? ' hide' : ''))
-	            .call(utilNoAuto)
-	            .attr('placeholder', _t('inspector.key_value'))
-	            .attr('spellcheck', 'false')
-	            .merge(textarea);
-
-	        textarea
-	            .call(utilGetSetValue, textData)
-	            .each(setTextareaHeight)
-	            .on('input', setTextareaHeight)
-	            .on('blur', textChanged)
-	            .on('change', textChanged);
-
-
-	        // View as List
-	        var list = wrap.selectAll('.tag-list')
-	            .data([0]);
-
-	        list = list.enter()
-	            .append('ul')
-	            .attr('class', 'tag-list' + (_tagView !== 'list' ? ' hide' : ''))
-	            .merge(list);
-
-
-	        // Container for the Add button
-	        var addRowEnter = wrap.selectAll('.add-row')
-	            .data([0])
-	            .enter()
-	            .append('div')
-	            .attr('class', 'add-row' + (_tagView !== 'list' ? ' hide' : ''));
-
-	        addRowEnter
-	            .append('button')
-	            .attr('class', 'add-tag')
-	            .call(svgIcon('#iD-icon-plus', 'light'))
-	            .on('click', addTag);
-
-	        addRowEnter
-	            .append('div')
-	            .attr('class', 'space-value');   // preserve space
-
-	        addRowEnter
-	            .append('div')
-	            .attr('class', 'space-buttons');  // preserve space
-
-
-	        // Tag list items
-	        var items = list.selectAll('.tag-row')
-	            .data(rowData, function(d) { return d.key; });
-
-	        items.exit()
-	            .each(unbind)
-	            .remove();
-
-
-	        // Enter
-	        var itemsEnter = items.enter()
-	            .append('li')
-	            .attr('class', 'tag-row')
-	            .classed('readonly', isReadOnly);
-
-	        var innerWrap = itemsEnter.append('div')
-	            .attr('class', 'inner-wrap');
-
-	        innerWrap
-	            .append('div')
-	            .attr('class', 'key-wrap')
-	            .append('input')
-	            .property('type', 'text')
-	            .attr('class', 'key')
-	            .call(utilNoAuto)
-	            .on('blur', keyChange)
-	            .on('change', keyChange);
-
-	        innerWrap
-	            .append('div')
-	            .attr('class', 'value-wrap')
-	            .append('input')
-	            .property('type', 'text')
-	            .attr('class', 'value')
-	            .call(utilNoAuto)
-	            .on('blur', valueChange)
-	            .on('change', valueChange)
-	            .on('keydown.push-more', pushMore);
-
-	        innerWrap
-	            .append('button')
-	            .attr('tabindex', -1)
-	            .attr('class', 'form-field-button remove')
-	            .attr('title', _t('icons.remove'))
-	            .call(svgIcon('#iD-operation-delete'));
-
-
-	        // Update
-	        items = items
-	            .merge(itemsEnter)
-	            .sort(function(a, b) { return a.index - b.index; });
-
-	        items
-	            .each(function(d) {
-	                var row = select(this);
-	                var key = row.select('input.key');      // propagate bound data
-	                var value = row.select('input.value');  // propagate bound data
-
-	                if (_entityIDs && taginfo && _state !== 'hover') {
-	                    bindTypeahead(key, value);
-	                }
-
-	                var reference;
-
-	                if (typeof d.value !== 'string') {
-	                    reference = uiTagReference({ key: d.key });
-	                } else {
-	                    var isRelation = _entityIDs && _entityIDs.some(function(entityID) {
-	                        return context.entity(entityID).type === 'relation';
-	                    });
-	                    if (isRelation && d.key === 'type') {
-	                        reference = uiTagReference({ rtype: d.value });
-	                    } else {
-	                        reference = uiTagReference({ key: d.key, value: d.value });
-	                    }
-	                }
-
-	                if (_state === 'hover') {
-	                    reference.showing(false);
-	                }
-
-	                row.select('.inner-wrap')      // propagate bound data
-	                    .call(reference.button);
-
-	                row.call(reference.body);
-
-	                row.select('button.remove');   // propagate bound data
-	            });
-
-	        items.selectAll('input.key')
-	            .attr('title', function(d) { return d.key; })
-	            .call(utilGetSetValue, function(d) { return d.key; })
-	            .attr('readonly', function(d) {
-	                return (isReadOnly(d) || (typeof d.value !== 'string')) || null;
-	            });
-
-	        items.selectAll('input.value')
-	            .attr('title', function(d) {
-	                return Array.isArray(d.value) ? d.value.filter(Boolean).join('\n') : d.value;
-	            })
-	            .classed('mixed', function(d) {
-	                return Array.isArray(d.value);
-	            })
-	            .attr('placeholder', function(d) {
-	                return typeof d.value === 'string' ? null : _t('inspector.multiple_values');
-	            })
-	            .call(utilGetSetValue, function(d) {
-	                return typeof d.value === 'string' ? d.value : '';
-	            })
-	            .attr('readonly', function(d) {
-	                return isReadOnly(d) || null;
-	            });
-
-	        items.selectAll('button.remove')
-	            .on(('PointerEvent' in window ? 'pointer' : 'mouse') + 'down', removeTag);  // 'click' fires too late - #5878
-
-	    }
-
-	    function isReadOnly(d) {
-	        for (var i = 0; i < _readOnlyTags.length; i++) {
-	            if (d.key.match(_readOnlyTags[i]) !== null) {
-	                return true;
-	            }
-	        }
-	        return false;
-	    }
-
-	    function setTextareaHeight() {
-	        if (_tagView !== 'text') return;
-
-	        var selection = select(this);
-	        selection.style('height', null);
-	        selection.style('height', selection.node().scrollHeight + 5 + 'px');
-	    }
-
-	    function stringify(s) {
-	        return JSON.stringify(s).slice(1, -1);   // without leading/trailing "
-	    }
-
-	    function unstringify(s) {
-	        var leading = '';
-	        var trailing = '';
-	        if (s.length < 1 || s.charAt(0) !== '"') {
-	            leading = '"';
-	        }
-	        if (s.length < 2 || s.charAt(s.length - 1) !== '"' ||
-	            (s.charAt(s.length - 1) === '"' && s.charAt(s.length - 2) === '\\')
-	        ) {
-	            trailing = '"';
-	        }
-	        return JSON.parse(leading + s + trailing);
-	    }
-
-	    function rowsToText(rows) {
-	        var str = rows
-	            .filter(function(row) { return row.key && row.key.trim() !== ''; })
-	            .map(function(row) {
-	                var rawVal = row.value;
-	                if (typeof rawVal !== 'string') rawVal = '*';
-	                var val = rawVal ? stringify(rawVal) : '';
-	                return stringify(row.key) + '=' + val;
-	            })
-	            .join('\n');
-
-	        if (_state !== 'hover' && str.length) {
-	            return str + '\n';
-	        }
-	        return  str;
-	    }
-
-	    function textChanged() {
-	        var newText = this.value.trim();
-	        var newTags = {};
-	        newText.split('\n').forEach(function(row) {
-	            var m = row.match(/^\s*([^=]+)=(.*)$/);
-	            if (m !== null) {
-	                var k = context.cleanTagKey(unstringify(m[1].trim()));
-	                var v = context.cleanTagValue(unstringify(m[2].trim()));
-	                newTags[k] = v;
-	            }
-	        });
-
-	        var tagDiff = utilTagDiff(_tags, newTags);
-	        if (!tagDiff.length) return;
-
-	        _pendingChange  = _pendingChange || {};
-
-	        tagDiff.forEach(function(change) {
-	            if (isReadOnly({ key: change.key })) return;
-
-	            // skip unchanged multiselection placeholders
-	            if (change.newVal === '*' && typeof change.oldVal !== 'string') return;
-
-	            if (change.type === '-') {
-	                _pendingChange[change.key] = undefined;
-	            } else if (change.type === '+') {
-	                _pendingChange[change.key] = change.newVal || '';
-	            }
-	        });
-
-	        if (Object.keys(_pendingChange).length === 0) {
-	            _pendingChange = null;
-	            return;
-	        }
-
-	        scheduleChange();
-	    }
-
-	    function pushMore() {
-	        // if pressing Tab on the last value field with content, add a blank row
-	        if (event.keyCode === 9 && !event.shiftKey &&
-	            section.selection().selectAll('.tag-list li:last-child input.value').node() === this &&
-	            utilGetSetValue(select(this))) {
-	            addTag();
-	        }
-	    }
-
-	    function bindTypeahead(key, value) {
-	        if (isReadOnly(key.datum())) return;
-
-	        if (Array.isArray(value.datum().value)) {
-	            value.call(uiCombobox(context, 'tag-value')
-	                .minItems(1)
-	                .fetcher(function(value, callback) {
-	                    var keyString = utilGetSetValue(key);
-	                    if (!_tags[keyString]) return;
-	                    var data = _tags[keyString].filter(Boolean).map(function(tagValue) {
-	                        return {
-	                            value: tagValue,
-	                            title: tagValue
-	                        };
-	                    });
-	                    callback(data);
-	                }));
-	            return;
-	        }
-
-	        var geometry = context.graph().geometry(_entityIDs[0]);
-
-	        key.call(uiCombobox(context, 'tag-key')
-	            .fetcher(function(value, callback) {
-	                taginfo.keys({
-	                    debounce: true,
-	                    geometry: geometry,
-	                    query: value
-	                }, function(err, data) {
-	                    if (!err) {
-	                        var filtered = data.filter(function(d) { return _tags[d.value] === undefined; });
-	                        callback(sort(value, filtered));
-	                    }
-	                });
-	            }));
-
-	        value.call(uiCombobox(context, 'tag-value')
-	            .fetcher(function(value, callback) {
-	                taginfo.values({
-	                    debounce: true,
-	                    key: utilGetSetValue(key),
-	                    geometry: geometry,
-	                    query: value
-	                }, function(err, data) {
-	                    if (!err) callback(sort(value, data));
-	                });
-	            }));
-
-
-	        function sort(value, data) {
-	            var sameletter = [];
-	            var other = [];
-	            for (var i = 0; i < data.length; i++) {
-	                if (data[i].value.substring(0, value.length) === value) {
-	                    sameletter.push(data[i]);
-	                } else {
-	                    other.push(data[i]);
-	                }
-	            }
-	            return sameletter.concat(other);
-	        }
-	    }
-
-	    function unbind() {
-	        var row = select(this);
-
-	        row.selectAll('input.key')
-	            .call(uiCombobox.off, context);
-
-	        row.selectAll('input.value')
-	            .call(uiCombobox.off, context);
-	    }
-
-	    function keyChange(d) {
-	        if (select(this).attr('readonly')) return;
-
-	        var kOld = d.key;
-
-	        // exit if we are currently about to delete this row anyway - #6366
-	        if (_pendingChange && _pendingChange.hasOwnProperty(kOld) && _pendingChange[kOld] === undefined) return;
-
-	        var kNew = context.cleanTagKey(this.value.trim());
-
-	        // allow no change if the key should be readonly
-	        if (isReadOnly({ key: kNew })) {
-	            this.value = kOld;
-	            return;
-	        }
-
-	        if (kNew &&
-	            kNew !== kOld &&
-	            _tags[kNew] !== undefined) {
-	            // new key is already in use, switch focus to the existing row
-
-	            this.value = kOld;                // reset the key
-	            section.selection().selectAll('.tag-list input.value')
-	                .each(function(d) {
-	                    if (d.key === kNew) {     // send focus to that other value combo instead
-	                        var input = select(this).node();
-	                        input.focus();
-	                        input.select();
-	                    }
-	                });
-	            return;
-	        }
-
-
-	        var row = this.parentNode.parentNode;
-	        var inputVal = select(row).selectAll('input.value');
-	        var vNew = context.cleanTagValue(utilGetSetValue(inputVal));
-
-	        _pendingChange = _pendingChange || {};
-
-	        if (kOld) {
-	            _pendingChange[kOld] = undefined;
-	        }
-
-	        _pendingChange[kNew] = vNew;
-
-	        // update the ordered key index so this row doesn't change position
-	        var existingKeyIndex = _orderedKeys.indexOf(kOld);
-	        if (existingKeyIndex !== -1) _orderedKeys[existingKeyIndex] = kNew;
-
-	        d.key = kNew;    // update datum to avoid exit/enter on tag update
-	        d.value = vNew;
-
-	        this.value = kNew;
-	        utilGetSetValue(inputVal, vNew);
-	        scheduleChange();
-	    }
-
-	    function valueChange(d) {
-	        if (isReadOnly(d)) return;
-
-	        // exit if this is a multiselection and no value was entered
-	        if (typeof d.value !== 'string' && !this.value) return;
-
-	        // exit if we are currently about to delete this row anyway - #6366
-	        if (_pendingChange && _pendingChange.hasOwnProperty(d.key) && _pendingChange[d.key] === undefined) return;
-
-	        _pendingChange = _pendingChange || {};
-
-	        _pendingChange[d.key] = context.cleanTagValue(this.value);
-	        scheduleChange();
-	    }
-
-	    function removeTag(d) {
-	        if (isReadOnly(d)) return;
-
-	        if (d.key === '') {    // removing the blank row
-	            _showBlank = false;
-	            section.reRender();
-
-	        } else {
-	            // remove the key from the ordered key index
-	            _orderedKeys = _orderedKeys.filter(function(key) { return key !== d.key; });
-
-	            _pendingChange  = _pendingChange || {};
-	            _pendingChange[d.key] = undefined;
-	            scheduleChange();
-	        }
-	    }
-
-	    function addTag() {
-	        // Delay render in case this click is blurring an edited combo.
-	        // Without the setTimeout, the `content` render would wipe out the pending tag change.
-	        window.setTimeout(function() {
-	            _showBlank = true;
-	            section.reRender();
-	            section.selection().selectAll('.tag-list li:last-child input.key').node().focus();
-	        }, 20);
-	    }
-
-	    function scheduleChange() {
-	        // Cache IDs in case the editor is reloaded before the change event is called. - #6028
-	        var entityIDs = _entityIDs;
-
-	        // Delay change in case this change is blurring an edited combo. - #5878
-	        window.setTimeout(function() {
-	            if (!_pendingChange) return;
-
-	            dispatch$1.call('change', this, entityIDs, _pendingChange);
-	            _pendingChange = null;
-	        }, 10);
-	    }
-
-
-	    section.state = function(val) {
-	        if (!arguments.length) return _state;
-	        if (_state !== val) {
-	            _orderedKeys = [];
-	            _state = val;
-	        }
-	        return section;
-	    };
-
-
-	    section.presets = function(val) {
-	        if (!arguments.length) return _presets;
-	        _presets = val;
-	        if (_presets && _presets.length && _presets[0].isFallback()) {
-	            section.disclosureExpanded(true);
-	        } else {
-	            section.disclosureExpanded(null);
-	        }
-	        return section;
-	    };
-
-
-	    section.tags = function(val) {
-	        if (!arguments.length) return _tags;
-	        _tags = val;
-	        return section;
-	    };
-
-
-	    section.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        if (!_entityIDs || !val || !utilArrayIdentical(_entityIDs, val)) {
-	            _entityIDs = val;
-	            _orderedKeys = [];
-	        }
-	        return section;
-	    };
-
-
-	    // pass an array of regular expressions to test against the tag key
-	    section.readOnlyTags = function(val) {
-	        if (!arguments.length) return _readOnlyTags;
-	        _readOnlyTags = val;
-	        return section;
-	    };
-
-
-	    return utilRebind(section, dispatch$1, 'on');
-	}
-
-	function uiDataEditor(context) {
-	    var dataHeader = uiDataHeader();
-	    var rawTagEditor = uiSectionRawTagEditor('custom-data-tag-editor', context)
-	        .expandedByDefault(true)
-	        .readOnlyTags([/./]);
-	    var _datum;
-
-
-	    function dataEditor(selection) {
-
-	        var header = selection.selectAll('.header')
-	            .data([0]);
-
-	        var headerEnter = header.enter()
-	            .append('div')
-	            .attr('class', 'header fillL');
-
-	        headerEnter
-	            .append('button')
-	            .attr('class', 'close')
-	            .on('click', function() {
-	                context.enter(modeBrowse(context));
-	            })
-	            .call(svgIcon('#iD-icon-close'));
-
-	        headerEnter
-	            .append('h3')
-	            .text(_t('map_data.title'));
-
-
-	        var body = selection.selectAll('.body')
-	            .data([0]);
-
-	        body = body.enter()
-	            .append('div')
-	            .attr('class', 'body')
-	            .merge(body);
-
-	        var editor = body.selectAll('.data-editor')
-	            .data([0]);
-
-	        // enter/update
-	        editor.enter()
-	            .append('div')
-	            .attr('class', 'modal-section data-editor')
-	            .merge(editor)
-	            .call(dataHeader.datum(_datum));
-
-	        var rte = body.selectAll('.raw-tag-editor')
-	            .data([0]);
-
-	        // enter/update
-	        rte.enter()
-	            .append('div')
-	            .attr('class', 'raw-tag-editor data-editor')
-	            .merge(rte)
-	            .call(rawTagEditor
-	                .tags((_datum && _datum.properties) || {})
-	                .state('hover')
-	                .render
-	            )
-	            .selectAll('textarea.tag-text')
-	            .attr('readonly', true)
-	            .classed('readonly', true);
-	    }
-
-
-	    dataEditor.datum = function(val) {
-	        if (!arguments.length) return _datum;
-	        _datum = val;
-	        return this;
-	    };
-
-
-	    return dataEditor;
-	}
-
-	function modeSelectData(context, selectedDatum) {
-	    var mode = {
-	        id: 'select-data',
-	        button: 'browse'
-	    };
-
-	    var keybinding = utilKeybinding('select-data');
-	    var dataEditor = uiDataEditor(context);
-
-	    var behaviors = [
-	        behaviorBreathe(),
-	        behaviorHover(context),
-	        behaviorSelect(context),
-	        behaviorLasso(context),
-	        modeDragNode(context).behavior,
-	        modeDragNote(context).behavior
-	    ];
-
-
-	    // class the data as selected, or return to browse mode if the data is gone
-	    function selectData(drawn) {
-	        var selection = context.surface().selectAll('.layer-mapdata .data' + selectedDatum.__featurehash__);
-
-	        if (selection.empty()) {
-	            // Return to browse mode if selected DOM elements have
-	            // disappeared because the user moved them out of view..
-	            var source = event && event.type === 'zoom' && event.sourceEvent;
-	            if (drawn && source && (source.type === 'pointermove' || source.type === 'mousemove' || source.type === 'touchmove')) {
-	                context.enter(modeBrowse(context));
-	            }
-	        } else {
-	            selection.classed('selected', true);
-	        }
-	    }
-
-
-	    function esc() {
-	        if (context.container().select('.combobox').size()) return;
-	        context.enter(modeBrowse(context));
-	    }
-
-
-	    mode.zoomToSelected = function() {
-	        var extent = geoExtent(d3_geoBounds(selectedDatum));
-	        context.map().centerZoomEase(extent.center(), context.map().trimmedExtentZoom(extent));
-	    };
-
-
-	    mode.enter = function() {
-	        behaviors.forEach(context.install);
-
-	        keybinding
-	            .on(_t('inspector.zoom_to.key'), mode.zoomToSelected)
-	            .on('⎋', esc, true);
-
-	        select(document)
-	            .call(keybinding);
-
-	        selectData();
-
-	        var sidebar = context.ui().sidebar;
-	        sidebar.show(dataEditor.datum(selectedDatum));
-
-	        // expand the sidebar, avoid obscuring the data if needed
-	        var extent = geoExtent(d3_geoBounds(selectedDatum));
-	        sidebar.expand(sidebar.intersects(extent));
-
-	        context.map()
-	            .on('drawn.select-data', selectData);
-	    };
-
-
-	    mode.exit = function() {
-	        behaviors.forEach(context.uninstall);
-
-	        select(document)
-	            .call(keybinding.unbind);
-
-	        context.surface()
-	            .selectAll('.layer-mapdata .selected')
-	            .classed('selected hover', false);
-
-	        context.map()
-	            .on('drawn.select-data', null);
-
-	        context.ui().sidebar
-	            .hide();
-	    };
-
-
-	    return mode;
-	}
-
-	function uiImproveOsmComments() {
-	  let _qaItem;
-
-	  function issueComments(selection) {
-	    // make the div immediately so it appears above the buttons
-	    let comments = selection.selectAll('.comments-container')
-	      .data([0]);
-
-	    comments = comments.enter()
-	      .append('div')
-	        .attr('class', 'comments-container')
-	      .merge(comments);
-
-	    // must retrieve comments from API before they can be displayed
-	    services.improveOSM.getComments(_qaItem)
-	      .then(d => {
-	        if (!d.comments) return; // nothing to do here
-
-	        const commentEnter = comments.selectAll('.comment')
-	          .data(d.comments)
-	          .enter()
-	          .append('div')
-	            .attr('class', 'comment');
-
-	        commentEnter
-	          .append('div')
-	            .attr('class', 'comment-avatar')
-	            .call(svgIcon('#iD-icon-avatar', 'comment-avatar-icon'));
-
-	        const mainEnter = commentEnter
-	          .append('div')
-	          .attr('class', 'comment-main');
-
-	        const metadataEnter = mainEnter
-	          .append('div')
-	            .attr('class', 'comment-metadata');
-
-	        metadataEnter
-	          .append('div')
-	            .attr('class', 'comment-author')
-	            .each(function(d) {
-	              const osm = services.osm;
-	              let selection = select(this);
-	              if (osm && d.username) {
-	                selection = selection
-	                  .append('a')
-	                  .attr('class', 'comment-author-link')
-	                  .attr('href', osm.userURL(d.username))
-	                  .attr('tabindex', -1)
-	                  .attr('target', '_blank');
-	              }
-	              selection
-	                .text(d => d.username);
-	            });
-
-	        metadataEnter
-	          .append('div')
-	            .attr('class', 'comment-date')
-	            .text(d => _t('note.status.commented', { when: localeDateString(d.timestamp) }));
-
-	        mainEnter
-	          .append('div')
-	            .attr('class', 'comment-text')
-	          .append('p')
-	            .text(d => d.text);
-	    })
-	    .catch(err => {
-	      console.log(err); // eslint-disable-line no-console
-	    });
-	  }
-
-	  function localeDateString(s) {
-	    if (!s) return null;
-	    const options = { day: 'numeric', month: 'short', year: 'numeric' };
-	    const d = new Date(s * 1000); // timestamp is served in seconds, date takes ms
-	    if (isNaN(d.getTime())) return null;
-	    return d.toLocaleDateString(_mainLocalizer.localeCode(), options);
-	  }
-
-	  issueComments.issue = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return issueComments;
-	  };
-
-	  return issueComments;
-	}
-
-	function uiImproveOsmDetails(context) {
-	  let _qaItem;
-
-
-	  function issueDetail(d) {
-	    if (d.desc) return d.desc;
-	    const issueKey = d.issueKey;
-	    d.replacements = d.replacements || {};
-	    d.replacements.default = _t('inspector.unknown');  // special key `default` works as a fallback string
-	    return _t(`QA.improveOSM.error_types.${issueKey}.description`, d.replacements);
-	  }
-
-
-	  function improveOsmDetails(selection) {
-	    const details = selection.selectAll('.error-details')
-	      .data(
-	        (_qaItem ? [_qaItem] : []),
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    details.exit()
-	      .remove();
-
-	    const detailsEnter = details.enter()
-	      .append('div')
-	        .attr('class', 'error-details qa-details-container');
-
-
-	    // description
-	    const descriptionEnter = detailsEnter
-	      .append('div')
-	        .attr('class', 'qa-details-subsection');
-
-	    descriptionEnter
-	      .append('h4')
-	        .text(() => _t('QA.keepRight.detail_description'));
-
-	    descriptionEnter
-	      .append('div')
-	        .attr('class', 'qa-details-description-text')
-	        .html(issueDetail);
-
-	    // If there are entity links in the error message..
-	    let relatedEntities = [];
-	    descriptionEnter.selectAll('.error_entity_link, .error_object_link')
-	      .each(function() {
-	        const link = select(this);
-	        const isObjectLink = link.classed('error_object_link');
-	        const entityID = isObjectLink ?
-	          (utilEntityRoot(_qaItem.objectType) + _qaItem.objectId)
-	          : this.textContent;
-	        const entity = context.hasEntity(entityID);
-
-	        relatedEntities.push(entityID);
-
-	        // Add click handler
-	        link
-	          .on('mouseenter', () => {
-	            utilHighlightEntities([entityID], true, context);
-	          })
-	          .on('mouseleave', () => {
-	            utilHighlightEntities([entityID], false, context);
-	          })
-	          .on('click', () => {
-	            event.preventDefault();
-
-	            utilHighlightEntities([entityID], false, context);
-
-	            const osmlayer = context.layers().layer('osm');
-	            if (!osmlayer.enabled()) {
-	              osmlayer.enabled(true);
-	            }
-
-	            context.map().centerZoom(_qaItem.loc, 20);
-
-	            if (entity) {
-	              context.enter(modeSelect(context, [entityID]));
-	            } else {
-	              context.loadEntity(entityID, () => {
-	                context.enter(modeSelect(context, [entityID]));
-	              });
-	            }
-	          });
-
-	        // Replace with friendly name if possible
-	        // (The entity may not yet be loaded into the graph)
-	        if (entity) {
-	          let name = utilDisplayName(entity);  // try to use common name
-
-	          if (!name && !isObjectLink) {
-	            const preset = _mainPresetIndex.match(entity, context.graph());
-	            name = preset && !preset.isFallback() && preset.name();  // fallback to preset name
-	          }
-
-	          if (name) {
-	            this.innerText = name;
-	          }
-	        }
-	      });
-
-	    // Don't hide entities related to this error - #5880
-	    context.features().forceVisible(relatedEntities);
-	    context.map().pan([0,0]);  // trigger a redraw
-	  }
-
-	  improveOsmDetails.issue = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return improveOsmDetails;
-	  };
-
-	  return improveOsmDetails;
-	}
-
-	function uiImproveOsmHeader() {
-	  let _qaItem;
-
-
-	  function issueTitle(d) {
-	    const issueKey = d.issueKey;
-	    d.replacements = d.replacements || {};
-	    d.replacements.default = _t('inspector.unknown');  // special key `default` works as a fallback string
-	    return _t(`QA.improveOSM.error_types.${issueKey}.title`, d.replacements);
-	  }
-
-
-	  function improveOsmHeader(selection) {
-	    const header = selection.selectAll('.qa-header')
-	      .data(
-	        (_qaItem ? [_qaItem] : []),
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    header.exit()
-	      .remove();
-
-	    const headerEnter = header.enter()
-	      .append('div')
-	        .attr('class', 'qa-header');
-
-	    const svgEnter = headerEnter
-	      .append('div')
-	        .attr('class', 'qa-header-icon')
-	        .classed('new', d => d.id < 0)
-	      .append('svg')
-	        .attr('width', '20px')
-	        .attr('height', '30px')
-	        .attr('viewbox', '0 0 20 30')
-	        .attr('class', d => `preset-icon-28 qaItem ${d.service} itemId-${d.id} itemType-${d.itemType}`);
-
-	    svgEnter
-	      .append('polygon')
-	        .attr('fill', 'currentColor')
-	        .attr('class', 'qaItem-fill')
-	        .attr('points', '16,3 4,3 1,6 1,17 4,20 7,20 10,27 13,20 16,20 19,17.033 19,6');
-
-	    svgEnter
-	      .append('use')
-	        .attr('class', 'icon-annotation')
-	        .attr('width', '13px')
-	        .attr('height', '13px')
-	        .attr('transform', 'translate(3.5, 5)')
-	        .attr('xlink:href', d => {
-	          const picon = d.icon;
-	          if (!picon) {
-	            return '';
-	          } else {
-	            const isMaki = /^maki-/.test(picon);
-	            return `#${picon}${isMaki ? '-11' : ''}`;
-	          }
-	        });
-
-	    headerEnter
-	      .append('div')
-	        .attr('class', 'qa-header-label')
-	        .text(issueTitle);
-	  }
-
-	  improveOsmHeader.issue = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return improveOsmHeader;
-	  };
-
-	  return improveOsmHeader;
-	}
-
-	function uiImproveOsmEditor(context) {
-	  const dispatch$1 = dispatch('change');
-	  const qaDetails = uiImproveOsmDetails(context);
-	  const qaComments = uiImproveOsmComments();
-	  const qaHeader = uiImproveOsmHeader();
-
-	  let _qaItem;
-
-	  function improveOsmEditor(selection) {
-
-	    const headerEnter = selection.selectAll('.header')
-	      .data([0])
-	      .enter()
-	      .append('div')
-	        .attr('class', 'header fillL');
-
-	    headerEnter
-	      .append('button')
-	        .attr('class', 'close')
-	        .on('click', () => context.enter(modeBrowse(context)))
-	        .call(svgIcon('#iD-icon-close'));
-
-	    headerEnter
-	      .append('h3')
-	        .text(_t('QA.improveOSM.title'));
-
-	    let body = selection.selectAll('.body')
-	      .data([0]);
-
-	    body = body.enter()
-	      .append('div')
-	        .attr('class', 'body')
-	      .merge(body);
-
-	    const editor = body.selectAll('.qa-editor')
-	      .data([0]);
-
-	    editor.enter()
-	      .append('div')
-	        .attr('class', 'modal-section qa-editor')
-	      .merge(editor)
-	        .call(qaHeader.issue(_qaItem))
-	        .call(qaDetails.issue(_qaItem))
-	        .call(qaComments.issue(_qaItem))
-	        .call(improveOsmSaveSection);
-	  }
-
-	  function improveOsmSaveSection(selection) {
-	    const isSelected = (_qaItem && _qaItem.id === context.selectedErrorID());
-	    const isShown = (_qaItem && (isSelected || _qaItem.newComment || _qaItem.comment));
-	    let saveSection = selection.selectAll('.qa-save')
-	      .data(
-	        (isShown ? [_qaItem] : []),
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    // exit
-	    saveSection.exit()
-	      .remove();
-
-	    // enter
-	    const saveSectionEnter = saveSection.enter()
-	      .append('div')
-	        .attr('class', 'qa-save save-section cf');
-
-	    saveSectionEnter
-	      .append('h4')
-	        .attr('class', '.qa-save-header')
-	        .text(_t('note.newComment'));
-
-	    saveSectionEnter
-	      .append('textarea')
-	        .attr('class', 'new-comment-input')
-	        .attr('placeholder', _t('QA.keepRight.comment_placeholder'))
-	        .attr('maxlength', 1000)
-	        .property('value', d => d.newComment)
-	        .call(utilNoAuto)
-	        .on('input', changeInput)
-	        .on('blur', changeInput);
-
-	    // update
-	    saveSection = saveSectionEnter
-	      .merge(saveSection)
-	        .call(qaSaveButtons);
-
-	    function changeInput() {
-	      const input = select(this);
-	      let val = input.property('value').trim();
-
-	      if (val === '') {
-	        val = undefined;
-	      }
-
-	      // store the unsaved comment with the issue itself
-	      _qaItem = _qaItem.update({ newComment: val });
-
-	      const qaService = services.improveOSM;
-	      if (qaService) {
-	        qaService.replaceItem(_qaItem);
-	      }
-
-	      saveSection
-	        .call(qaSaveButtons);
-	    }
-	  }
-
-	  function qaSaveButtons(selection) {
-	    const isSelected = (_qaItem && _qaItem.id === context.selectedErrorID());
-	    let buttonSection = selection.selectAll('.buttons')
-	      .data((isSelected ? [_qaItem] : []), d => d.status + d.id);
-
-	    // exit
-	    buttonSection.exit()
-	      .remove();
-
-	    // enter
-	    const buttonEnter = buttonSection.enter()
-	      .append('div')
-	        .attr('class', 'buttons');
-
-	    buttonEnter
-	      .append('button')
-	        .attr('class', 'button comment-button action')
-	        .text(_t('QA.keepRight.save_comment'));
-
-	    buttonEnter
-	      .append('button')
-	        .attr('class', 'button close-button action');
-
-	    buttonEnter
-	      .append('button')
-	        .attr('class', 'button ignore-button action');
-
-	    // update
-	    buttonSection = buttonSection
-	      .merge(buttonEnter);
-
-	    buttonSection.select('.comment-button')
-	      .attr('disabled', d => d.newComment ? null : true)
-	      .on('click.comment', function(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        const qaService = services.improveOSM;
-	        if (qaService) {
-	          qaService.postUpdate(d, (err, item) => dispatch$1.call('change', item));
-	        }
-	      });
-
-	    buttonSection.select('.close-button')
-	      .text(d => {
-	        const andComment = (d.newComment ? '_comment' : '');
-	        return _t(`QA.keepRight.close${andComment}`);
-	      })
-	      .on('click.close', function(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        const qaService = services.improveOSM;
-	        if (qaService) {
-	          d.newStatus = 'SOLVED';
-	          qaService.postUpdate(d, (err, item) => dispatch$1.call('change', item));
-	        }
-	      });
-
-	    buttonSection.select('.ignore-button')
-	      .text(d => {
-	        const andComment = (d.newComment ? '_comment' : '');
-	        return _t(`QA.keepRight.ignore${andComment}`);
-	      })
-	      .on('click.ignore', function(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        const qaService = services.improveOSM;
-	        if (qaService) {
-	          d.newStatus = 'INVALID';
-	          qaService.postUpdate(d, (err, item) => dispatch$1.call('change', item));
-	        }
-	      });
-	  }
-
-	  // NOTE: Don't change method name until UI v3 is merged
-	  improveOsmEditor.error = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return improveOsmEditor;
-	  };
-
-	  return utilRebind(improveOsmEditor, dispatch$1, 'on');
-	}
-
-	function uiKeepRightDetails(context) {
-	  let _qaItem;
-
-
-	  function issueDetail(d) {
-	    const { itemType, parentIssueType } = d;
-	    const unknown = _t('inspector.unknown');
-	    let replacements = d.replacements || {};
-	    replacements.default = unknown;  // special key `default` works as a fallback string
-
-	    let detail = _t(`QA.keepRight.errorTypes.${itemType}.description`, replacements);
-	    if (detail === unknown) {
-	      detail = _t(`QA.keepRight.errorTypes.${parentIssueType}.description`, replacements);
-	    }
-	    return detail;
-	  }
-
-
-	  function keepRightDetails(selection) {
-	    const details = selection.selectAll('.error-details')
-	      .data(
-	        (_qaItem ? [_qaItem] : []),
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    details.exit()
-	      .remove();
-
-	    const detailsEnter = details.enter()
-	      .append('div')
-	        .attr('class', 'error-details qa-details-container');
-
-	    // description
-	    const descriptionEnter = detailsEnter
-	      .append('div')
-	        .attr('class', 'qa-details-subsection');
-
-	    descriptionEnter
-	      .append('h4')
-	        .text(() => _t('QA.keepRight.detail_description'));
-
-	    descriptionEnter
-	      .append('div')
-	        .attr('class', 'qa-details-description-text')
-	        .html(issueDetail);
-
-	    // If there are entity links in the error message..
-	    let relatedEntities = [];
-	    descriptionEnter.selectAll('.error_entity_link, .error_object_link')
-	      .each(function() {
-	        const link = select(this);
-	        const isObjectLink = link.classed('error_object_link');
-	        const entityID = isObjectLink ?
-	          (utilEntityRoot(_qaItem.objectType) + _qaItem.objectId)
-	          : this.textContent;
-	        const entity = context.hasEntity(entityID);
-
-	        relatedEntities.push(entityID);
-
-	        // Add click handler
-	        link
-	          .on('mouseenter', () => {
-	            utilHighlightEntities([entityID], true, context);
-	          })
-	          .on('mouseleave', () => {
-	            utilHighlightEntities([entityID], false, context);
-	          })
-	          .on('click', () => {
-	            event.preventDefault();
-
-	            utilHighlightEntities([entityID], false, context);
-
-	            const osmlayer = context.layers().layer('osm');
-	            if (!osmlayer.enabled()) {
-	              osmlayer.enabled(true);
-	            }
-
-	            context.map().centerZoomEase(_qaItem.loc, 20);
-
-	            if (entity) {
-	              context.enter(modeSelect(context, [entityID]));
-	            } else {
-	              context.loadEntity(entityID, () => {
-	                context.enter(modeSelect(context, [entityID]));
-	              });
-	            }
-	          });
-
-	        // Replace with friendly name if possible
-	        // (The entity may not yet be loaded into the graph)
-	        if (entity) {
-	          let name = utilDisplayName(entity);  // try to use common name
-
-	          if (!name && !isObjectLink) {
-	            const preset = _mainPresetIndex.match(entity, context.graph());
-	            name = preset && !preset.isFallback() && preset.name();  // fallback to preset name
-	          }
-
-	          if (name) {
-	            this.innerText = name;
-	          }
-	        }
-	      });
-
-	    // Don't hide entities related to this issue - #5880
-	    context.features().forceVisible(relatedEntities);
-	    context.map().pan([0,0]);  // trigger a redraw
-	  }
-
-	  keepRightDetails.issue = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return keepRightDetails;
-	  };
-
-	  return keepRightDetails;
-	}
-
-	function uiKeepRightHeader() {
-	  let _qaItem;
-
-
-	  function issueTitle(d) {
-	    const { itemType, parentIssueType } = d;
-	    const unknown = _t('inspector.unknown');
-	    let replacements = d.replacements || {};
-	    replacements.default = unknown;  // special key `default` works as a fallback string
-
-	    let title = _t(`QA.keepRight.errorTypes.${itemType}.title`, replacements);
-	    if (title === unknown) {
-	      title = _t(`QA.keepRight.errorTypes.${parentIssueType}.title`, replacements);
-	    }
-	    return title;
-	  }
-
-
-	  function keepRightHeader(selection) {
-	    const header = selection.selectAll('.qa-header')
-	      .data(
-	        (_qaItem ? [_qaItem] : []),
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    header.exit()
-	      .remove();
-
-	    const headerEnter = header.enter()
-	      .append('div')
-	        .attr('class', 'qa-header');
-
-	    const iconEnter = headerEnter
-	      .append('div')
-	        .attr('class', 'qa-header-icon')
-	        .classed('new', d => d.id < 0);
-
-	    iconEnter
-	      .append('div')
-	        .attr('class', d => `preset-icon-28 qaItem ${d.service} itemId-${d.id} itemType-${d.parentIssueType}`)
-	        .call(svgIcon('#iD-icon-bolt', 'qaItem-fill'));
-
-	    headerEnter
-	      .append('div')
-	        .attr('class', 'qa-header-label')
-	        .text(issueTitle);
-	  }
-
-
-	  keepRightHeader.issue = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return keepRightHeader;
-	  };
-
-	  return keepRightHeader;
-	}
-
-	function uiViewOnKeepRight() {
-	  let _qaItem;
-
-	  function viewOnKeepRight(selection) {
-	    let url;
-	    if (services.keepRight && (_qaItem instanceof QAItem)) {
-	      url = services.keepRight.issueURL(_qaItem);
-	    }
-
-	    const link = selection.selectAll('.view-on-keepRight')
-	      .data(url ? [url] : []);
-
-	    // exit
-	    link.exit()
-	      .remove();
-
-	    // enter
-	    const linkEnter = link.enter()
-	      .append('a')
-	        .attr('class', 'view-on-keepRight')
-	        .attr('target', '_blank')
-	        .attr('rel', 'noopener') // security measure
-	        .attr('href', d => d)
-	        .call(svgIcon('#iD-icon-out-link', 'inline'));
-
-	    linkEnter
-	      .append('span')
-	        .text(_t('inspector.view_on_keepRight'));
-	  }
-
-	  viewOnKeepRight.what = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return viewOnKeepRight;
-	  };
-
-	  return viewOnKeepRight;
-	}
-
-	function uiKeepRightEditor(context) {
-	  const dispatch$1 = dispatch('change');
-	  const qaDetails = uiKeepRightDetails(context);
-	  const qaHeader = uiKeepRightHeader();
-
-	  let _qaItem;
-
-	  function keepRightEditor(selection) {
-
-	    const headerEnter = selection.selectAll('.header')
-	      .data([0])
-	      .enter()
-	      .append('div')
-	        .attr('class', 'header fillL');
-
-	    headerEnter
-	      .append('button')
-	        .attr('class', 'close')
-	        .on('click', () => context.enter(modeBrowse(context)))
-	        .call(svgIcon('#iD-icon-close'));
-
-	    headerEnter
-	      .append('h3')
-	        .text(_t('QA.keepRight.title'));
-
-
-	    let body = selection.selectAll('.body')
-	      .data([0]);
-
-	    body = body.enter()
-	      .append('div')
-	        .attr('class', 'body')
-	      .merge(body);
-
-	    const editor = body.selectAll('.qa-editor')
-	      .data([0]);
-
-	    editor.enter()
-	      .append('div')
-	        .attr('class', 'modal-section qa-editor')
-	      .merge(editor)
-	        .call(qaHeader.issue(_qaItem))
-	        .call(qaDetails.issue(_qaItem))
-	        .call(keepRightSaveSection);
-
-
-	    const footer = selection.selectAll('.footer')
-	      .data([0]);
-
-	    footer.enter()
-	      .append('div')
-	      .attr('class', 'footer')
-	      .merge(footer)
-	      .call(uiViewOnKeepRight().what(_qaItem));
-	  }
-
-
-	  function keepRightSaveSection(selection) {
-	    const isSelected = (_qaItem && _qaItem.id === context.selectedErrorID());
-	    const isShown = (_qaItem && (isSelected || _qaItem.newComment || _qaItem.comment));
-	    let saveSection = selection.selectAll('.qa-save')
-	      .data(
-	        (isShown ? [_qaItem] : []),
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    // exit
-	    saveSection.exit()
-	      .remove();
-
-	    // enter
-	    const saveSectionEnter = saveSection.enter()
-	      .append('div')
-	        .attr('class', 'qa-save save-section cf');
-
-	    saveSectionEnter
-	      .append('h4')
-	        .attr('class', '.qa-save-header')
-	        .text(_t('QA.keepRight.comment'));
-
-	    saveSectionEnter
-	      .append('textarea')
-	        .attr('class', 'new-comment-input')
-	        .attr('placeholder', _t('QA.keepRight.comment_placeholder'))
-	        .attr('maxlength', 1000)
-	        .property('value', d => d.newComment || d.comment)
-	        .call(utilNoAuto)
-	        .on('input', changeInput)
-	        .on('blur', changeInput);
-
-	    // update
-	    saveSection = saveSectionEnter
-	      .merge(saveSection)
-	        .call(qaSaveButtons);
-
-	    function changeInput() {
-	      const input = select(this);
-	      let val = input.property('value').trim();
-
-	      if (val === _qaItem.comment) {
-	        val = undefined;
-	      }
-
-	      // store the unsaved comment with the issue itself
-	      _qaItem = _qaItem.update({ newComment: val });
-
-	      const qaService = services.keepRight;
-	      if (qaService) {
-	        qaService.replaceItem(_qaItem);  // update keepright cache
-	      }
-
-	      saveSection
-	        .call(qaSaveButtons);
-	    }
-	  }
-
-
-	  function qaSaveButtons(selection) {
-	    const isSelected = (_qaItem && _qaItem.id === context.selectedErrorID());
-	    let buttonSection = selection.selectAll('.buttons')
-	      .data((isSelected ? [_qaItem] : []), d => d.status + d.id);
-
-	    // exit
-	    buttonSection.exit()
-	      .remove();
-
-	    // enter
-	    const buttonEnter = buttonSection.enter()
-	      .append('div')
-	        .attr('class', 'buttons');
-
-	    buttonEnter
-	      .append('button')
-	        .attr('class', 'button comment-button action')
-	        .text(_t('QA.keepRight.save_comment'));
-
-	    buttonEnter
-	      .append('button')
-	        .attr('class', 'button close-button action');
-
-	    buttonEnter
-	      .append('button')
-	        .attr('class', 'button ignore-button action');
-
-	    // update
-	    buttonSection = buttonSection
-	      .merge(buttonEnter);
-
-	    buttonSection.select('.comment-button')   // select and propagate data
-	      .attr('disabled', d => d.newComment ? null : true)
-	      .on('click.comment', function(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        const qaService = services.keepRight;
-	        if (qaService) {
-	          qaService.postUpdate(d, (err, item) => dispatch$1.call('change', item));
-	        }
-	      });
-
-	    buttonSection.select('.close-button')   // select and propagate data
-	      .text(d => {
-	        const andComment = (d.newComment ? '_comment' : '');
-	        return _t(`QA.keepRight.close${andComment}`);
-	      })
-	      .on('click.close', function(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        const qaService = services.keepRight;
-	        if (qaService) {
-	          d.newStatus = 'ignore_t';   // ignore temporarily (item fixed)
-	          qaService.postUpdate(d, (err, item) => dispatch$1.call('change', item));
-	        }
-	      });
-
-	    buttonSection.select('.ignore-button')   // select and propagate data
-	      .text(d => {
-	        const andComment = (d.newComment ? '_comment' : '');
-	        return _t(`QA.keepRight.ignore${andComment}`);
-	      })
-	      .on('click.ignore', function(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        const qaService = services.keepRight;
-	        if (qaService) {
-	          d.newStatus = 'ignore';   // ignore permanently (false positive)
-	          qaService.postUpdate(d, (err, item) => dispatch$1.call('change', item));
-	        }
-	      });
-	  }
-
-	  // NOTE: Don't change method name until UI v3 is merged
-	  keepRightEditor.error = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return keepRightEditor;
-	  };
-
-	  return utilRebind(keepRightEditor, dispatch$1, 'on');
-	}
-
-	function uiOsmoseDetails(context) {
-	  let _qaItem;
-
-	  function issueString(d, type) {
-	    if (!d) return '';
-
-	    // Issue strings are cached from Osmose API
-	    const s = services.osmose.getStrings(d.itemType);
-	    return (type in s) ? s[type] : '';
-	  }
-
-
-	  function osmoseDetails(selection) {
-	    const details = selection.selectAll('.error-details')
-	      .data(
-	        _qaItem ? [_qaItem] : [],
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    details.exit()
-	      .remove();
-
-	    const detailsEnter = details.enter()
-	      .append('div')
-	        .attr('class', 'error-details qa-details-container');
-
-
-	    // Description
-	    if (issueString(_qaItem, 'detail')) {
-	      const div = detailsEnter
-	        .append('div')
-	          .attr('class', 'qa-details-subsection');
-
-	      div
-	        .append('h4')
-	          .text(() => _t('QA.keepRight.detail_description'));
-
-	      div
-	        .append('p')
-	          .attr('class', 'qa-details-description-text')
-	          .html(d => issueString(d, 'detail'))
-	        .selectAll('a')
-	          .attr('rel', 'noopener')
-	          .attr('target', '_blank');
-	    }
-
-	    // Elements (populated later as data is requested)
-	    const detailsDiv = detailsEnter
-	      .append('div')
-	        .attr('class', 'qa-details-subsection');
-
-	    const elemsDiv = detailsEnter
-	      .append('div')
-	        .attr('class', 'qa-details-subsection');
-
-	    // Suggested Fix (musn't exist for every issue type)
-	    if (issueString(_qaItem, 'fix')) {
-	      const div = detailsEnter
-	        .append('div')
-	          .attr('class', 'qa-details-subsection');
-
-	      div
-	        .append('h4')
-	          .text(() => _t('QA.osmose.fix_title'));
-
-	      div
-	        .append('p')
-	          .html(d => issueString(d, 'fix'))
-	        .selectAll('a')
-	          .attr('rel', 'noopener')
-	          .attr('target', '_blank');
-	    }
-
-	    // Common Pitfalls (musn't exist for every issue type)
-	    if (issueString(_qaItem, 'trap')) {
-	      const div = detailsEnter
-	        .append('div')
-	          .attr('class', 'qa-details-subsection');
-
-	      div
-	        .append('h4')
-	          .text(() => _t('QA.osmose.trap_title'));
-
-	      div
-	        .append('p')
-	          .html(d => issueString(d, 'trap'))
-	        .selectAll('a')
-	          .attr('rel', 'noopener')
-	          .attr('target', '_blank');
-	    }
-
-	    // Save current item to check if UI changed by time request resolves
-	    const thisItem = _qaItem;
-	    services.osmose.loadIssueDetail(_qaItem)
-	      .then(d => {
-	        // No details to add if there are no associated issue elements
-	        if (!d.elems || d.elems.length === 0) return;
-
-	        // Do nothing if UI has moved on by the time this resolves
-	        if (
-	          context.selectedErrorID() !== thisItem.id
-	          && context.container().selectAll(`.qaItem.osmose.hover.itemId-${thisItem.id}`).empty()
-	        ) return;
-
-	        // Things like keys and values are dynamically added to a subtitle string
-	        if (d.detail) {
-	          detailsDiv
-	            .append('h4')
-	              .text(() => _t('QA.osmose.detail_title'));
-
-	          detailsDiv
-	            .append('p')
-	              .html(d => d.detail)
-	            .selectAll('a')
-	              .attr('rel', 'noopener')
-	              .attr('target', '_blank');
-	        }
-
-	        // Create list of linked issue elements
-	        elemsDiv
-	          .append('h4')
-	            .text(() => _t('QA.osmose.elems_title'));
-
-	        elemsDiv
-	          .append('ul').selectAll('li')
-	          .data(d.elems)
-	          .enter()
-	          .append('li')
-	          .append('a')
-	            .attr('class', 'error_entity_link')
-	            .text(d => d)
-	            .each(function() {
-	              const link = select(this);
-	              const entityID = this.textContent;
-	              const entity = context.hasEntity(entityID);
-
-	              // Add click handler
-	              link
-	                .on('mouseenter', () => {
-	                  utilHighlightEntities([entityID], true, context);
-	                })
-	                .on('mouseleave', () => {
-	                  utilHighlightEntities([entityID], false, context);
-	                })
-	                .on('click', () => {
-	                  event.preventDefault();
-
-	                  utilHighlightEntities([entityID], false, context);
-
-	                  const osmlayer = context.layers().layer('osm');
-	                  if (!osmlayer.enabled()) {
-	                    osmlayer.enabled(true);
-	                  }
-
-	                  context.map().centerZoom(d.loc, 20);
-
-	                  if (entity) {
-	                    context.enter(modeSelect(context, [entityID]));
-	                  } else {
-	                    context.loadEntity(entityID, () => {
-	                      context.enter(modeSelect(context, [entityID]));
-	                    });
-	                  }
-	                });
-
-	              // Replace with friendly name if possible
-	              // (The entity may not yet be loaded into the graph)
-	              if (entity) {
-	                let name = utilDisplayName(entity);  // try to use common name
-
-	                if (!name) {
-	                  const preset = _mainPresetIndex.match(entity, context.graph());
-	                  name = preset && !preset.isFallback() && preset.name();  // fallback to preset name
-	                }
-
-	                if (name) {
-	                  this.innerText = name;
-	                }
-	              }
-	            });
-
-	        // Don't hide entities related to this issue - #5880
-	        context.features().forceVisible(d.elems);
-	        context.map().pan([0,0]);  // trigger a redraw
-	      })
-	      .catch(err => {
-	        console.log(err); // eslint-disable-line no-console
-	      });
-	  }
-
-
-	  osmoseDetails.issue = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return osmoseDetails;
-	  };
-
-
-	  return osmoseDetails;
-	}
-
-	function uiOsmoseHeader() {
-	  let _qaItem;
-
-	  function issueTitle(d) {
-	    const unknown = _t('inspector.unknown');
-
-	    if (!d) return unknown;
-
-	    // Issue titles supplied by Osmose
-	    const s = services.osmose.getStrings(d.itemType);
-	    return ('title' in s) ? s.title : unknown;
-	  }
-
-	  function osmoseHeader(selection) {
-	    const header = selection.selectAll('.qa-header')
-	      .data(
-	        (_qaItem ? [_qaItem] : []),
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    header.exit()
-	      .remove();
-
-	    const headerEnter = header.enter()
-	      .append('div')
-	        .attr('class', 'qa-header');
-
-	    const svgEnter = headerEnter
-	      .append('div')
-	        .attr('class', 'qa-header-icon')
-	        .classed('new', d => d.id < 0)
-	      .append('svg')
-	        .attr('width', '20px')
-	        .attr('height', '30px')
-	        .attr('viewbox', '0 0 20 30')
-	        .attr('class', d => `preset-icon-28 qaItem ${d.service} itemId-${d.id} itemType-${d.itemType}`);
-
-	    svgEnter
-	      .append('polygon')
-	        .attr('fill', d => services.osmose.getColor(d.item))
-	        .attr('class', 'qaItem-fill')
-	        .attr('points', '16,3 4,3 1,6 1,17 4,20 7,20 10,27 13,20 16,20 19,17.033 19,6');
-
-	    svgEnter
-	      .append('use')
-	        .attr('class', 'icon-annotation')
-	        .attr('width', '13px')
-	        .attr('height', '13px')
-	        .attr('transform', 'translate(3.5, 5)')
-	        .attr('xlink:href', d => {
-	          const picon = d.icon;
-
-	          if (!picon) {
-	            return '';
-	          } else {
-	            const isMaki = /^maki-/.test(picon);
-	            return `#${picon}${isMaki ? '-11' : ''}`;
-	          }
-	        });
-
-	    headerEnter
-	      .append('div')
-	        .attr('class', 'qa-header-label')
-	        .text(issueTitle);
-	  }
-
-	  osmoseHeader.issue = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return osmoseHeader;
-	  };
-
-	  return osmoseHeader;
-	}
-
-	function uiViewOnOsmose() {
-	  let _qaItem;
-
-	  function viewOnOsmose(selection) {
-	    let url;
-	    if (services.osmose && (_qaItem instanceof QAItem)) {
-	      url = services.osmose.itemURL(_qaItem);
-	    }
-
-	    const link = selection.selectAll('.view-on-osmose')
-	      .data(url ? [url] : []);
-
-	    // exit
-	    link.exit()
-	      .remove();
-
-	    // enter
-	    const linkEnter = link.enter()
-	      .append('a')
-	        .attr('class', 'view-on-osmose')
-	        .attr('target', '_blank')
-	        .attr('rel', 'noopener') // security measure
-	        .attr('href', d => d)
-	        .call(svgIcon('#iD-icon-out-link', 'inline'));
-
-	    linkEnter
-	      .append('span')
-	        .text(_t('inspector.view_on_osmose'));
-	  }
-
-	  viewOnOsmose.what = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return viewOnOsmose;
-	  };
-
-	  return viewOnOsmose;
-	}
-
-	function uiOsmoseEditor(context) {
-	  const dispatch$1 = dispatch('change');
-	  const qaDetails = uiOsmoseDetails(context);
-	  const qaHeader = uiOsmoseHeader();
-
-	  let _qaItem;
-
-	  function osmoseEditor(selection) {
-
-	    const header = selection.selectAll('.header')
-	      .data([0]);
-
-	    const headerEnter = header.enter()
-	      .append('div')
-	        .attr('class', 'header fillL');
-
-	    headerEnter
-	      .append('button')
-	        .attr('class', 'close')
-	        .on('click', () => context.enter(modeBrowse(context)))
-	        .call(svgIcon('#iD-icon-close'));
-
-	    headerEnter
-	      .append('h3')
-	        .text(_t('QA.osmose.title'));
-
-	    let body = selection.selectAll('.body')
-	      .data([0]);
-
-	    body = body.enter()
-	        .append('div')
-	        .attr('class', 'body')
-	      .merge(body);
-
-	    let editor = body.selectAll('.qa-editor')
-	      .data([0]);
-
-	    editor.enter()
-	      .append('div')
-	        .attr('class', 'modal-section qa-editor')
-	      .merge(editor)
-	        .call(qaHeader.issue(_qaItem))
-	        .call(qaDetails.issue(_qaItem))
-	        .call(osmoseSaveSection);
-
-	    const footer = selection.selectAll('.footer')
-	      .data([0]);
-
-	    footer.enter()
-	      .append('div')
-	      .attr('class', 'footer')
-	      .merge(footer)
-	      .call(uiViewOnOsmose().what(_qaItem));
-	  }
-
-	  function osmoseSaveSection(selection) {
-	    const isSelected = (_qaItem && _qaItem.id === context.selectedErrorID());
-	    const isShown = (_qaItem && isSelected);
-	    let saveSection = selection.selectAll('.qa-save')
-	      .data(
-	        (isShown ? [_qaItem] : []),
-	        d => `${d.id}-${d.status || 0}`
-	      );
-
-	    // exit
-	    saveSection.exit()
-	      .remove();
-
-	    // enter
-	    const saveSectionEnter = saveSection.enter()
-	      .append('div')
-	        .attr('class', 'qa-save save-section cf');
-
-	    // update
-	    saveSection = saveSectionEnter
-	      .merge(saveSection)
-	        .call(qaSaveButtons);
-	  }
-
-	  function qaSaveButtons(selection) {
-	    const isSelected = (_qaItem && _qaItem.id === context.selectedErrorID());
-	    let buttonSection = selection.selectAll('.buttons')
-	      .data((isSelected ? [_qaItem] : []), d => d.status + d.id);
-
-	    // exit
-	    buttonSection.exit()
-	      .remove();
-
-	    // enter
-	    const buttonEnter = buttonSection.enter()
-	      .append('div')
-	        .attr('class', 'buttons');
-
-	    buttonEnter
-	      .append('button')
-	        .attr('class', 'button close-button action');
-
-	    buttonEnter
-	      .append('button')
-	        .attr('class', 'button ignore-button action');
-
-	    // update
-	    buttonSection = buttonSection
-	      .merge(buttonEnter);
-
-	    buttonSection.select('.close-button')
-	      .text(() => _t('QA.keepRight.close'))
-	      .on('click.close', function(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        const qaService = services.osmose;
-	        if (qaService) {
-	          d.newStatus = 'done';
-	          qaService.postUpdate(d, (err, item) => dispatch$1.call('change', item));
-	        }
-	      });
-
-	    buttonSection.select('.ignore-button')
-	      .text(() => _t('QA.keepRight.ignore'))
-	      .on('click.ignore', function(d) {
-	        this.blur();    // avoid keeping focus on the button - #4641
-	        const qaService = services.osmose;
-	        if (qaService) {
-	          d.newStatus = 'false';
-	          qaService.postUpdate(d, (err, item) => dispatch$1.call('change', item));
-	        }
-	      });
-	  }
-
-	  // NOTE: Don't change method name until UI v3 is merged
-	  osmoseEditor.error = function(val) {
-	    if (!arguments.length) return _qaItem;
-	    _qaItem = val;
-	    return osmoseEditor;
-	  };
-
-	  return utilRebind(osmoseEditor, dispatch$1, 'on');
-	}
-
-	// NOTE: Don't change name of this until UI v3 is merged
-	function modeSelectError(context, selectedErrorID, selectedErrorService) {
-	    var mode = {
-	        id: 'select-error',
-	        button: 'browse'
-	    };
-
-	    var keybinding = utilKeybinding('select-error');
-
-	    var errorService = services[selectedErrorService];
-	    var errorEditor;
-	    switch (selectedErrorService) {
-	        case 'improveOSM':
-	            errorEditor = uiImproveOsmEditor(context)
-	            .on('change', function() {
-	                context.map().pan([0,0]);  // trigger a redraw
-	                var error = checkSelectedID();
-	                if (!error) return;
-	                context.ui().sidebar
-	                    .show(errorEditor.error(error));
-	            });
-	            break;
-	        case 'keepRight':
-	            errorEditor = uiKeepRightEditor(context)
-	            .on('change', function() {
-	                context.map().pan([0,0]);  // trigger a redraw
-	                var error = checkSelectedID();
-	                if (!error) return;
-	                context.ui().sidebar
-	                    .show(errorEditor.error(error));
-	            });
-	            break;
-	        case 'osmose':
-	            errorEditor = uiOsmoseEditor(context)
-	            .on('change', function() {
-	                context.map().pan([0,0]);  // trigger a redraw
-	                var error = checkSelectedID();
-	                if (!error) return;
-	                context.ui().sidebar
-	                    .show(errorEditor.error(error));
-	            });
-	            break;
-	    }
-
-
-	    var behaviors = [
-	        behaviorBreathe(),
-	        behaviorHover(context),
-	        behaviorSelect(context),
-	        behaviorLasso(context),
-	        modeDragNode(context).behavior,
-	        modeDragNote(context).behavior
-	    ];
-
-
-	    function checkSelectedID() {
-	        if (!errorService) return;
-	        var error = errorService.getError(selectedErrorID);
-	        if (!error) {
-	            context.enter(modeBrowse(context));
-	        }
-	        return error;
-	    }
-
-
-	    mode.zoomToSelected = function() {
-	        if (!errorService) return;
-	        var error = errorService.getError(selectedErrorID);
-	        if (error) {
-	            context.map().centerZoomEase(error.loc, 20);
-	        }
-	    };
-
-
-	    mode.enter = function() {
-	        var error = checkSelectedID();
-	        if (!error) return;
-
-	        behaviors.forEach(context.install);
-	        keybinding
-	            .on(_t('inspector.zoom_to.key'), mode.zoomToSelected)
-	            .on('⎋', esc, true);
-
-	        select(document)
-	            .call(keybinding);
-
-	        selectError();
-
-	        var sidebar = context.ui().sidebar;
-	        sidebar.show(errorEditor.error(error));
-
-	        context.map()
-	            .on('drawn.select-error', selectError);
-
-
-	        // class the error as selected, or return to browse mode if the error is gone
-	        function selectError(drawn) {
-	            if (!checkSelectedID()) return;
-
-	            var selection = context.surface()
-	                .selectAll('.itemId-' + selectedErrorID + '.' + selectedErrorService);
-
-	            if (selection.empty()) {
-	                // Return to browse mode if selected DOM elements have
-	                // disappeared because the user moved them out of view..
-	                var source = event && event.type === 'zoom' && event.sourceEvent;
-	                if (drawn && source && (source.type === 'pointermove' || source.type === 'mousemove' || source.type === 'touchmove')) {
-	                    context.enter(modeBrowse(context));
-	                }
-
-	            } else {
-	                selection
-	                    .classed('selected', true);
-
-	                context.selectedErrorID(selectedErrorID);
-	            }
-	        }
-
-	        function esc() {
-	            if (context.container().select('.combobox').size()) return;
-	            context.enter(modeBrowse(context));
-	        }
-	    };
-
-
-	    mode.exit = function() {
-	        behaviors.forEach(context.uninstall);
-
-	        select(document)
-	            .call(keybinding.unbind);
-
-	        context.surface()
-	            .selectAll('.qaItem.selected')
-	            .classed('selected hover', false);
-
-	        context.map()
-	            .on('drawn.select-error', null);
-
-	        context.ui().sidebar
-	            .hide();
-
-	        context.selectedErrorID(null);
-	        context.features().forceVisible([]);
-	    };
-
-
-	    return mode;
-	}
-
-	function behaviorSelect(context) {
-	    var _tolerancePx = 4; // see also behaviorDrag
-	    var _lastMouseEvent = null;
-	    var _showMenu = false;
-	    var _downPointers = {};
-	    var _longPressTimeout = null;
-	    var _lastInteractionType = null;
-	    // the id of the down pointer that's enabling multiselection while down
-	    var _multiselectionPointerId = null;
-
-	    // use pointer events on supported platforms; fallback to mouse events
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-
-	    function keydown() {
-
-	        if (event.keyCode === 32) {
-	            // don't react to spacebar events during text input
-	            var activeNode = document.activeElement;
-	            if (activeNode && new Set(['INPUT', 'TEXTAREA']).has(activeNode.nodeName)) return;
-	        }
-
-	        if (event.keyCode === 93 ||  // context menu key
-	            event.keyCode === 32) {  // spacebar
-	            event.preventDefault();
-	        }
-
-	        if (event.repeat) return; // ignore repeated events for held keys
-
-	        // if any key is pressed the user is probably doing something other than long-pressing
-	        cancelLongPress();
-
-	        if (event.shiftKey) {
-	            context.surface()
-	                .classed('behavior-multiselect', true);
-	        }
-
-	        if (event.keyCode === 32) {  // spacebar
-	            if (!_downPointers.spacebar && _lastMouseEvent) {
-	                cancelLongPress();
-	                _longPressTimeout = window.setTimeout(didLongPress, 500, 'spacebar', 'spacebar');
-
-	                _downPointers.spacebar = {
-	                    firstEvent: _lastMouseEvent,
-	                    lastEvent: _lastMouseEvent
-	                };
-	            }
-	        }
-	    }
-
-
-	    function keyup() {
-	        cancelLongPress();
-
-	        if (!event.shiftKey) {
-	            context.surface()
-	                .classed('behavior-multiselect', false);
-	        }
-
-	        if (event.keyCode === 93) {  // context menu key
-	            event.preventDefault();
-	            _lastInteractionType = 'menukey';
-	            contextmenu();
-	        } else if (event.keyCode === 32) {  // spacebar
-	            var pointer = _downPointers.spacebar;
-	            if (pointer) {
-	                delete _downPointers.spacebar;
-
-	                if (pointer.done) return;
-
-	                event.preventDefault();
-	                _lastInteractionType = 'spacebar';
-	                click(pointer.firstEvent, pointer.lastEvent, 'spacebar');
-	            }
-	        }
-	    }
-
-
-	    function pointerdown() {
-	        var id = (event.pointerId || 'mouse').toString();
-
-	        cancelLongPress();
-
-	        if (event.buttons && event.buttons !== 1) return;
-
-	        context.ui().closeEditMenu();
-
-	        _longPressTimeout = window.setTimeout(didLongPress, 500, id, 'longdown-' + (event.pointerType || 'mouse'));
-
-	        _downPointers[id] = {
-	            firstEvent: event,
-	            lastEvent: event
-	        };
-	    }
-
-
-	    function didLongPress(id, interactionType) {
-	        var pointer = _downPointers[id];
-	        if (!pointer) return;
-
-	        for (var i in _downPointers) {
-	            // don't allow this or any currently down pointer to trigger another click
-	            _downPointers[i].done = true;
-	        }
-
-	        // treat long presses like right-clicks
-	        _longPressTimeout = null;
-	        _lastInteractionType = interactionType;
-	        _showMenu = true;
-
-	        click(pointer.firstEvent, pointer.lastEvent, id);
-	    }
-
-
-	    function pointermove() {
-	        var id = (event.pointerId || 'mouse').toString();
-	        if (_downPointers[id]) {
-	            _downPointers[id].lastEvent = event;
-	        }
-	        if (!event.pointerType || event.pointerType === 'mouse') {
-	            _lastMouseEvent = event;
-	            if (_downPointers.spacebar) {
-	                _downPointers.spacebar.lastEvent = event;
-	            }
-	        }
-	    }
-
-
-	    function pointerup() {
-	        var id = (event.pointerId || 'mouse').toString();
-	        var pointer = _downPointers[id];
-	        if (!pointer) return;
-
-	        delete _downPointers[id];
-
-	        if (_multiselectionPointerId === id) {
-	            _multiselectionPointerId = null;
-	        }
-
-	        if (pointer.done) return;
-
-	        click(pointer.firstEvent, event, id);
-	    }
-
-
-	    function pointercancel() {
-	        var id = (event.pointerId || 'mouse').toString();
-	        if (!_downPointers[id]) return;
-
-	        delete _downPointers[id];
-
-	        if (_multiselectionPointerId === id) {
-	            _multiselectionPointerId = null;
-	        }
-	    }
-
-
-	    function contextmenu() {
-	        var e = event;
-	        e.preventDefault();
-
-	        if (!+e.clientX && !+e.clientY) {
-	            if (_lastMouseEvent) {
-	                e.sourceEvent = _lastMouseEvent;
-	            } else {
-	                return;
-	            }
-	        } else {
-	            _lastMouseEvent = event;
-	            _lastInteractionType = 'rightclick';
-	        }
-
-	        _showMenu = true;
-	        click(event, event);
-	    }
-
-
-	    function click(firstEvent, lastEvent, pointerId) {
-	        cancelLongPress();
-
-	        var mapNode = context.container().select('.main-map').node();
-
-	        // Use the `main-map` coordinate system since the surface and supersurface
-	        // are transformed when drag-panning.
-	        var pointGetter = utilFastMouse(mapNode);
-	        var p1 = pointGetter(firstEvent);
-	        var p2 = pointGetter(lastEvent);
-	        var dist = geoVecLength(p1, p2);
-
-	        if (dist > _tolerancePx ||
-	            !mapContains(lastEvent)) {
-
-	            resetProperties();
-	            return;
-	        }
-
-	        var targetDatum = lastEvent.target.__data__;
-
-	        var multiselectEntityId;
-
-	        if (!_multiselectionPointerId) {
-	            // If a different pointer than the one triggering this click is down on a
-	            // feature, treat this and all future clicks as multiselection until that
-	            // pointer is raised.
-	            var selectPointerInfo = pointerDownOnSelection(pointerId);
-	            if (selectPointerInfo) {
-	                _multiselectionPointerId = selectPointerInfo.pointerId;
-	                // if the other feature isn't selected yet, make sure we select it
-	                multiselectEntityId = !selectPointerInfo.selected && selectPointerInfo.entityId;
-	                _downPointers[selectPointerInfo.pointerId].done = true;
-	            }
-	        }
-
-	        // support multiselect if data is already selected
-	        var isMultiselect = context.mode().id === 'select' && (
-	            // and shift key is down
-	            (event && event.shiftKey) ||
-	            // or we're lasso-selecting
-	            context.surface().select('.lasso').node() ||
-	            // or a pointer is down over a selected feature
-	            (_multiselectionPointerId && !multiselectEntityId)
-	        );
-
-	        processClick(targetDatum, isMultiselect, p2, multiselectEntityId);
-
-	        function mapContains(event) {
-	            var rect = mapNode.getBoundingClientRect();
-	            return event.clientX >= rect.left &&
-	                event.clientX <= rect.right &&
-	                event.clientY >= rect.top &&
-	                event.clientY <= rect.bottom;
-	        }
-
-	        function pointerDownOnSelection(skipPointerId) {
-	            var mode = context.mode();
-	            var selectedIDs = mode.id === 'select' ? mode.selectedIDs() : [];
-	            for (var pointerId in _downPointers) {
-	                if (pointerId === 'spacebar' || pointerId === skipPointerId) continue;
-
-	                var pointerInfo = _downPointers[pointerId];
-
-	                var p1 = pointGetter(pointerInfo.firstEvent);
-	                var p2 = pointGetter(pointerInfo.lastEvent);
-	                if (geoVecLength(p1, p2) > _tolerancePx) continue;
-
-	                var datum = pointerInfo.firstEvent.target.__data__;
-	                var entity = (datum && datum.properties && datum.properties.entity) || datum;
-	                if (context.graph().hasEntity(entity.id)) return {
-	                    pointerId: pointerId,
-	                    entityId: entity.id,
-	                    selected: selectedIDs.indexOf(entity.id) !== -1
-	                };
-	            }
-	            return null;
-	        }
-	    }
-
-
-	    function processClick(datum, isMultiselect, point, alsoSelectId) {
-	        var mode = context.mode();
-	        var showMenu = _showMenu;
-	        var interactionType = _lastInteractionType;
-
-	        var entity = datum && datum.properties && datum.properties.entity;
-	        if (entity) datum = entity;
-
-	        if (datum && datum.type === 'midpoint') {
-	            // treat targeting midpoints as if targeting the parent way
-	            datum = datum.parents[0];
-	        }
-
-	        var newMode;
-
-	        if (datum instanceof osmEntity) {
-	            // targeting an entity
-	            var selectedIDs = context.selectedIDs();
-	            context.selectedNoteID(null);
-	            context.selectedErrorID(null);
-
-	            if (!isMultiselect) {
-	                // don't change the selection if we're toggling the menu atop a multiselection
-	                if (!showMenu ||
-	                    selectedIDs.length <= 1 ||
-	                    selectedIDs.indexOf(datum.id) === -1) {
-
-	                    if (alsoSelectId === datum.id) alsoSelectId = null;
-
-	                    selectedIDs = (alsoSelectId ? [alsoSelectId] : []).concat([datum.id]);
-	                    // always enter modeSelect even if the entity is already
-	                    // selected since listeners may expect `context.enter` events,
-	                    // e.g. in the walkthrough
-	                    newMode = mode.id === 'select' ? mode.selectedIDs(selectedIDs) : modeSelect(context, selectedIDs).selectBehavior(behavior);
-	                    context.enter(newMode);
-	                }
-
-	            } else {
-	                if (selectedIDs.indexOf(datum.id) !== -1) {
-	                    // clicked entity is already in the selectedIDs list..
-	                    if (!showMenu) {
-	                        // deselect clicked entity, then reenter select mode or return to browse mode..
-	                        selectedIDs = selectedIDs.filter(function(id) { return id !== datum.id; });
-	                        newMode = selectedIDs.length ? mode.selectedIDs(selectedIDs) : modeBrowse(context).selectBehavior(behavior);
-	                        context.enter(newMode);
-	                    }
-	                } else {
-	                    // clicked entity is not in the selected list, add it..
-	                    selectedIDs = selectedIDs.concat([datum.id]);
-	                    newMode = mode.selectedIDs(selectedIDs);
-	                    context.enter(newMode);
-	                }
-	            }
-
-	        } else if (datum && datum.__featurehash__ && !isMultiselect) {
-	            // targeting custom data
-	            context
-	                .selectedNoteID(null)
-	                .enter(modeSelectData(context, datum));
-
-	        } else if (datum instanceof osmNote && !isMultiselect) {
-	            // targeting a note
-	            context
-	                .selectedNoteID(datum.id)
-	                .enter(modeSelectNote(context, datum.id));
-
-	        } else if (datum instanceof QAItem & !isMultiselect) {
-	            // targeting an external QA issue
-	            context
-	                .selectedErrorID(datum.id)
-	                .enter(modeSelectError(context, datum.id, datum.service));
-
-	        } else {
-	            // targeting nothing
-	            context.selectedNoteID(null);
-	            context.selectedErrorID(null);
-	            if (!isMultiselect && mode.id !== 'browse') {
-	                context.enter(modeBrowse(context));
-	            }
-	        }
-
-	        context.ui().closeEditMenu();
-
-	        // always request to show the edit menu in case the mode needs it
-	        if (showMenu) context.ui().showEditMenu(point, interactionType);
-
-	        resetProperties();
-	    }
-
-
-	    function cancelLongPress() {
-	        if (_longPressTimeout) window.clearTimeout(_longPressTimeout);
-	        _longPressTimeout = null;
-	    }
-
-
-	    function resetProperties() {
-	        cancelLongPress();
-	        _showMenu = false;
-	        _lastInteractionType = null;
-	        // don't reset _lastMouseEvent since it might still be useful
-	    }
-
-
-	    function behavior(selection) {
-	        resetProperties();
-	        _lastMouseEvent = context.map().lastPointerEvent();
-
-	        select(window)
-	            .on('keydown.select', keydown)
-	            .on('keyup.select', keyup)
-	            .on(_pointerPrefix + 'move.select', pointermove, true)
-	            .on(_pointerPrefix + 'up.select', pointerup, true)
-	            .on('pointercancel.select', pointercancel, true)
-	            .on('contextmenu.select-window', function() {
-	                // Edge and IE really like to show the contextmenu on the
-	                // menubar when user presses a keyboard menu button
-	                // even after we've already preventdefaulted the key event.
-	                var e = event;
-	                if (+e.clientX === 0 && +e.clientY === 0) {
-	                    event.preventDefault();
-	                }
-	            });
-
-	        selection
-	            .on(_pointerPrefix + 'down.select', pointerdown)
-	            .on('contextmenu.select', contextmenu);
-
-	        if (event && event.shiftKey) {
-	            context.surface()
-	                .classed('behavior-multiselect', true);
-	        }
-	    }
-
-
-	    behavior.off = function(selection) {
-	        cancelLongPress();
-
-	        select(window)
-	            .on('keydown.select', null)
-	            .on('keyup.select', null)
-	            .on('contextmenu.select-window', null)
-	            .on(_pointerPrefix + 'move.select', null, true)
-	            .on(_pointerPrefix + 'up.select', null, true)
-	            .on('pointercancel.select', null, true);
-
-	        selection
-	            .on(_pointerPrefix + 'down.select', null)
-	            .on('contextmenu.select', null);
-
-	        context.surface()
-	            .classed('behavior-multiselect', false);
-	    };
-
-
-	    return behavior;
-	}
-
-	function behaviorDrawWay(context, wayID, mode, startGraph) {
-
-	    var dispatch$1 = dispatch('rejectedSelfIntersection');
-
-	    var behavior = behaviorDraw(context);
-
-	    // Must be set by `drawWay.nodeIndex` before each install of this behavior.
-	    var _nodeIndex;
-
-	    var _origWay;
-	    var _wayGeometry;
-	    var _headNodeID;
-	    var _annotation;
-
-	    var _pointerHasMoved = false;
-
-	    // The osmNode to be placed.
-	    // This is temporary and just follows the mouse cursor until an "add" event occurs.
-	    var _drawNode;
-
-	    var _didResolveTempEdit = false;
-
-	    function createDrawNode(loc) {
-	        // don't make the draw node until we actually need it
-	        _drawNode = osmNode({ loc: loc });
-
-	        context.pauseChangeDispatch();
-	        context.replace(function actionAddDrawNode(graph) {
-	            // add the draw node to the graph and insert it into the way
-	            var way = graph.entity(wayID);
-	            return graph
-	                .replace(_drawNode)
-	                .replace(way.addNode(_drawNode.id, _nodeIndex));
-	        }, _annotation);
-	        context.resumeChangeDispatch();
-
-	        setActiveElements();
-	    }
-
-	    function removeDrawNode() {
-
-	        context.pauseChangeDispatch();
-	        context.replace(
-	            function actionDeleteDrawNode(graph) {
-	               var way = graph.entity(wayID);
-	               return graph
-	                   .replace(way.removeNode(_drawNode.id))
-	                   .remove(_drawNode);
-	           },
-	            _annotation
-	        );
-	        _drawNode = undefined;
-	        context.resumeChangeDispatch();
-	    }
-
-
-	    function keydown() {
-	        if (event.keyCode === utilKeybinding.modifierCodes.alt) {
-	            if (context.surface().classed('nope')) {
-	                context.surface()
-	                    .classed('nope-suppressed', true);
-	            }
-	            context.surface()
-	                .classed('nope', false)
-	                .classed('nope-disabled', true);
-	        }
-	    }
-
-
-	    function keyup() {
-	        if (event.keyCode === utilKeybinding.modifierCodes.alt) {
-	            if (context.surface().classed('nope-suppressed')) {
-	                context.surface()
-	                    .classed('nope', true);
-	            }
-	            context.surface()
-	                .classed('nope-suppressed', false)
-	                .classed('nope-disabled', false);
-	        }
-	    }
-
-
-	    function allowsVertex(d) {
-	        return d.geometry(context.graph()) === 'vertex' || _mainPresetIndex.allowsVertex(d, context.graph());
-	    }
-
-
-	    // related code
-	    // - `mode/drag_node.js`     `doMove()`
-	    // - `behavior/draw.js`      `click()`
-	    // - `behavior/draw_way.js`  `move()`
-	    function move(datum) {
-
-	        var loc = context.map().mouseCoordinates();
-
-	        if (!_drawNode) createDrawNode(loc);
-
-	        context.surface().classed('nope-disabled', event.altKey);
-
-	        var targetLoc = datum && datum.properties && datum.properties.entity &&
-	            allowsVertex(datum.properties.entity) && datum.properties.entity.loc;
-	        var targetNodes = datum && datum.properties && datum.properties.nodes;
-
-	        if (targetLoc) {   // snap to node/vertex - a point target with `.loc`
-	            loc = targetLoc;
-
-	        } else if (targetNodes) {   // snap to way - a line target with `.nodes`
-	            var choice = geoChooseEdge(targetNodes, context.map().mouse(), context.projection, _drawNode.id);
-	            if (choice) {
-	                loc = choice.loc;
-	            }
-	        }
-
-	        context.replace(actionMoveNode(_drawNode.id, loc), _annotation);
-	        _drawNode = context.entity(_drawNode.id);
-	        checkGeometry(true /* includeDrawNode */);
-	    }
-
-
-	    // Check whether this edit causes the geometry to break.
-	    // If so, class the surface with a nope cursor.
-	    // `includeDrawNode` - Only check the relevant line segments if finishing drawing
-	    function checkGeometry(includeDrawNode) {
-	        var nopeDisabled = context.surface().classed('nope-disabled');
-	        var isInvalid = isInvalidGeometry(includeDrawNode);
-
-	        if (nopeDisabled) {
-	            context.surface()
-	                .classed('nope', false)
-	                .classed('nope-suppressed', isInvalid);
-	        } else {
-	            context.surface()
-	                .classed('nope', isInvalid)
-	                .classed('nope-suppressed', false);
-	        }
-	    }
-
-
-	    function isInvalidGeometry(includeDrawNode) {
-
-	        var testNode = _drawNode;
-
-	        // we only need to test the single way we're drawing
-	        var parentWay = context.graph().entity(wayID);
-	        var nodes = context.graph().childNodes(parentWay).slice();  // shallow copy
-
-	        if (includeDrawNode) {
-	            if (parentWay.isClosed()) {
-	                // don't test the last segment for closed ways - #4655
-	                // (still test the first segement)
-	                nodes.pop();
-	            }
-	        } else { // discount the draw node
-
-	            if (parentWay.isClosed()) {
-	                if (nodes.length < 3) return false;
-	                if (_drawNode) nodes.splice(-2, 1);
-	                testNode = nodes[nodes.length - 2];
-	            } else {
-	                // there's nothing we need to test if we ignore the draw node on open ways
-	                return false;
-	            }
-	        }
-
-	        return testNode && geoHasSelfIntersections(nodes, testNode.id);
-	    }
-
-
-	    function undone() {
-
-	        // undoing removed the temp edit
-	        _didResolveTempEdit = true;
-
-	        context.pauseChangeDispatch();
-
-	        var nextMode;
-
-	        if (context.graph() === startGraph) { // we've undone back to the beginning
-	            nextMode = modeSelect(context, [wayID]);
-	        } else {
-	            context.history()
-	                .on('undone.draw', null);
-	            // remove whatever segment was drawn previously
-	            context.undo();
-
-	            if (context.graph() === startGraph) { // we've undone back to the beginning
-	                nextMode = modeSelect(context, [wayID]);
-	            } else {
-	                // continue drawing
-	                nextMode = mode;
-	            }
-	        }
-
-	        // clear the redo stack by adding and removing an edit
-	        context.perform(actionNoop());
-	        context.pop(1);
-
-	        context.resumeChangeDispatch();
-	        context.enter(nextMode);
-	    }
-
-
-	    function setActiveElements() {
-	        if (!_drawNode) return;
-
-	        context.surface().selectAll('.' + _drawNode.id)
-	            .classed('active', true);
-	    }
-
-
-	    function resetToStartGraph() {
-	        while (context.graph() !== startGraph) {
-	            context.pop();
-	        }
-	    }
-
-
-	    var drawWay = function(surface) {
-	        _drawNode = undefined;
-	        _didResolveTempEdit = false;
-	        _origWay = context.entity(wayID);
-	        _headNodeID = typeof _nodeIndex === 'number' ? _origWay.nodes[_nodeIndex] :
-	            (_origWay.isClosed() ? _origWay.nodes[_origWay.nodes.length - 2] : _origWay.nodes[_origWay.nodes.length - 1]);
-	        _wayGeometry = _origWay.geometry(context.graph());
-	        _annotation = _t((_origWay.isDegenerate() ?
-	            'operations.start.annotation.' :
-	            'operations.continue.annotation.') + _wayGeometry
-	        );
-	        _pointerHasMoved = false;
-
-	        // Push an annotated state for undo to return back to.
-	        // We must make sure to replace or remove it later.
-	        context.pauseChangeDispatch();
-	        context.perform(actionNoop(), _annotation);
-	        context.resumeChangeDispatch();
-
-	        behavior.hover()
-	            .initialNodeID(_headNodeID);
-
-	        behavior
-	            .on('move', function() {
-	                _pointerHasMoved = true;
-	                move.apply(this, arguments);
-	            })
-	            .on('down', function() {
-	                move.apply(this, arguments);
-	            })
-	            .on('downcancel', function() {
-	                if (_drawNode) removeDrawNode();
-	            })
-	            .on('click', drawWay.add)
-	            .on('clickWay', drawWay.addWay)
-	            .on('clickNode', drawWay.addNode)
-	            .on('undo', context.undo)
-	            .on('cancel', drawWay.cancel)
-	            .on('finish', drawWay.finish);
-
-	        select(window)
-	            .on('keydown.drawWay', keydown)
-	            .on('keyup.drawWay', keyup);
-
-	        context.map()
-	            .dblclickZoomEnable(false)
-	            .on('drawn.draw', setActiveElements);
-
-	        setActiveElements();
-
-	        surface.call(behavior);
-
-	        context.history()
-	            .on('undone.draw', undone);
-	    };
-
-
-	    drawWay.off = function(surface) {
-
-	        if (!_didResolveTempEdit) {
-	            // Drawing was interrupted unexpectedly.
-	            // This can happen if the user changes modes,
-	            // clicks geolocate button, a hashchange event occurs, etc.
-
-	            context.pauseChangeDispatch();
-	            resetToStartGraph();
-	            context.resumeChangeDispatch();
-	        }
-
-	        _drawNode = undefined;
-	        _nodeIndex = undefined;
-
-	        context.map()
-	            .on('drawn.draw', null);
-
-	        surface.call(behavior.off)
-	            .selectAll('.active')
-	            .classed('active', false);
-
-	        surface
-	            .classed('nope', false)
-	            .classed('nope-suppressed', false)
-	            .classed('nope-disabled', false);
-
-	        select(window)
-	            .on('keydown.drawWay', null)
-	            .on('keyup.drawWay', null);
-
-	        context.history()
-	            .on('undone.draw', null);
-	    };
-
-
-	    function attemptAdd(d, loc, doAdd) {
-
-	        if (_drawNode) {
-	            // move the node to the final loc in case move wasn't called
-	            // consistently (e.g. on touch devices)
-	            context.replace(actionMoveNode(_drawNode.id, loc), _annotation);
-	            _drawNode = context.entity(_drawNode.id);
-	        } else {
-	            createDrawNode(loc);
-	        }
-
-	        checkGeometry(true /* includeDrawNode */);
-	        if ((d && d.properties && d.properties.nope) || context.surface().classed('nope')) {
-	            if (!_pointerHasMoved) {
-	                // prevent the temporary draw node from appearing on touch devices
-	                removeDrawNode();
-	            }
-	            dispatch$1.call('rejectedSelfIntersection', this);
-	            return;   // can't click here
-	        }
-
-	        context.pauseChangeDispatch();
-	        doAdd();
-	        // we just replaced the temporary edit with the real one
-	        _didResolveTempEdit = true;
-	        context.resumeChangeDispatch();
-
-	        context.enter(mode);
-	    }
-
-
-	    // Accept the current position of the drawing node
-	    drawWay.add = function(loc, d) {
-	        attemptAdd(d, loc, function() {
-	            // don't need to do anything extra
-	        });
-	    };
-
-
-	    // Connect the way to an existing way
-	    drawWay.addWay = function(loc, edge, d) {
-	        attemptAdd(d, loc, function() {
-	            context.replace(
-	                actionAddMidpoint({ loc: loc, edge: edge }, _drawNode),
-	                _annotation
-	            );
-	        });
-	    };
-
-
-	    // Connect the way to an existing node
-	    drawWay.addNode = function(node, d) {
-
-	        // finish drawing if the mapper targets the prior node
-	        if (node.id === _headNodeID ||
-	            // or the first node when drawing an area
-	            (_origWay.isClosed() && node.id === _origWay.first())) {
-	            drawWay.finish();
-	            return;
-	        }
-
-	        attemptAdd(d, node.loc, function() {
-	            context.replace(
-	                function actionReplaceDrawNode(graph) {
-	                    // remove the temporary draw node and insert the existing node
-	                    // at the same index
-
-	                    graph = graph
-	                        .replace(graph.entity(wayID).removeNode(_drawNode.id))
-	                        .remove(_drawNode);
-	                    return graph
-	                        .replace(graph.entity(wayID).addNode(node.id, _nodeIndex));
-	                },
-	                _annotation
-	            );
-	        });
-	    };
-
-
-	    // Finish the draw operation, removing the temporary edit.
-	    // If the way has enough nodes to be valid, it's selected.
-	    // Otherwise, delete everything and return to browse mode.
-	    drawWay.finish = function() {
-	        checkGeometry(false /* includeDrawNode */);
-	        if (context.surface().classed('nope')) {
-	            dispatch$1.call('rejectedSelfIntersection', this);
-	            return;   // can't click here
-	        }
-
-	        context.pauseChangeDispatch();
-	        // remove the temporary edit
-	        context.pop(1);
-	        _didResolveTempEdit = true;
-	        context.resumeChangeDispatch();
-
-	        var way = context.hasEntity(wayID);
-	        if (!way || way.isDegenerate()) {
-	            drawWay.cancel();
-	            return;
-	        }
-
-	        window.setTimeout(function() {
-	            context.map().dblclickZoomEnable(true);
-	        }, 1000);
-
-	        var isNewFeature = !mode.isContinuing;
-	        context.enter(modeSelect(context, [wayID]).newFeature(isNewFeature));
-	    };
-
-
-	    // Cancel the draw operation, delete everything, and return to browse mode.
-	    drawWay.cancel = function() {
-	        context.pauseChangeDispatch();
-	        resetToStartGraph();
-	        context.resumeChangeDispatch();
-
-	        window.setTimeout(function() {
-	            context.map().dblclickZoomEnable(true);
-	        }, 1000);
-
-	        context.surface()
-	            .classed('nope', false)
-	            .classed('nope-disabled', false)
-	            .classed('nope-suppressed', false);
-
-	        context.enter(modeBrowse(context));
-	    };
-
-
-	    drawWay.nodeIndex = function(val) {
-	        if (!arguments.length) return _nodeIndex;
-	        _nodeIndex = val;
-	        return drawWay;
-	    };
-
-
-	    drawWay.activeID = function() {
-	        if (!arguments.length) return _drawNode && _drawNode.id;
-	        // no assign
-	        return drawWay;
-	    };
-
-
-	    return utilRebind(drawWay, dispatch$1, 'on');
-	}
-
-	function modeDrawLine(context, wayID, startGraph, button, affix, continuing) {
-	    var mode = {
-	        button: button,
-	        id: 'draw-line'
-	    };
-
-	    var behavior = behaviorDrawWay(context, wayID, mode, startGraph)
-	        .on('rejectedSelfIntersection.modeDrawLine', function() {
-	            context.ui().flash
-	                .text(_t('self_intersection.error.lines'))();
-	        });
-
-	    mode.wayID = wayID;
-
-	    mode.isContinuing = continuing;
-
-	    mode.enter = function() {
-	        behavior
-	            .nodeIndex(affix === 'prefix' ? 0 : undefined);
-
-	        context.install(behavior);
-	    };
-
-	    mode.exit = function() {
-	        context.uninstall(behavior);
-	    };
-
-	    mode.selectedIDs = function() {
-	        return [wayID];
-	    };
-
-	    mode.activeID = function() {
-	        return (behavior && behavior.activeID()) || [];
-	    };
-
-	    return mode;
-	}
-
-	function operationContinue(context, selectedIDs) {
-	    var graph = context.graph();
-	    var entities = selectedIDs.map(function(id) { return graph.entity(id); });
-	    var geometries = Object.assign(
-	        { line: [], vertex: [] },
-	        utilArrayGroupBy(entities, function(entity) { return entity.geometry(graph); })
-	    );
-	    var vertex = geometries.vertex[0];
-
-
-	    function candidateWays() {
-	        return graph.parentWays(vertex).filter(function(parent) {
-	            return parent.geometry(graph) === 'line' &&
-	                !parent.isClosed() &&
-	                parent.affix(vertex.id) &&
-	                (geometries.line.length === 0 || geometries.line[0] === parent);
-	        });
-	    }
-
-
-	    var operation = function() {
-	        var candidate = candidateWays()[0];
-	        context.enter(
-	            modeDrawLine(context, candidate.id, context.graph(), 'line', candidate.affix(vertex.id), true)
-	        );
-	    };
-
-
-	    operation.available = function() {
-	        return geometries.vertex.length === 1 &&
-	            geometries.line.length <= 1 &&
-	            !context.features().hasHiddenConnections(vertex, context.graph());
-	    };
-
-
-	    operation.disabled = function() {
-	        var candidates = candidateWays();
-	        if (candidates.length === 0) {
-	            return 'not_eligible';
-	        } else if (candidates.length > 1) {
-	            return 'multiple';
-	        }
-
-	        return false;
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.continue.' + disable) :
-	            _t('operations.continue.description');
-	    };
-
-
-	    operation.annotation = function() {
-	        return _t('operations.continue.annotation.line');
-	    };
-
-
-	    operation.id = 'continue';
-	    operation.keys = [_t('operations.continue.key')];
-	    operation.title = _t('operations.continue.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	function operationCopy(context, selectedIDs) {
-
-	    var _multi = selectedIDs.length === 1 ? 'single' : 'multiple';
-
-	    function getFilteredIdsToCopy() {
-	        return selectedIDs.filter(function(selectedID) {
-	            var entity = context.graph().hasEntity(selectedID);
-	            // don't copy untagged vertices separately from ways
-	            return entity.hasInterestingTags() || entity.geometry(context.graph()) !== 'vertex';
-	        });
-	    }
-
-	    var operation = function() {
-
-	        if (!getSelectionText()) {
-	            event.preventDefault();
-	        }
-
-	        var graph = context.graph();
-	        var selected = groupEntities(getFilteredIdsToCopy(), graph);
-	        var canCopy = [];
-	        var skip = {};
-	        var entity;
-	        var i;
-
-	        for (i = 0; i < selected.relation.length; i++) {
-	            entity = selected.relation[i];
-	            if (!skip[entity.id] && entity.isComplete(graph)) {
-	                canCopy.push(entity.id);
-	                skip = getDescendants(entity.id, graph, skip);
-	            }
-	        }
-	        for (i = 0; i < selected.way.length; i++) {
-	            entity = selected.way[i];
-	            if (!skip[entity.id]) {
-	                canCopy.push(entity.id);
-	                skip = getDescendants(entity.id, graph, skip);
-	            }
-	        }
-	        for (i = 0; i < selected.node.length; i++) {
-	            entity = selected.node[i];
-	            if (!skip[entity.id]) {
-	                canCopy.push(entity.id);
-	            }
-	        }
-
-	        context.copyIDs(canCopy);
-	        if (_point &&
-	            (canCopy.length !== 1 || graph.entity(canCopy[0]).type !== 'node')) {
-	            // store the anchor coordinates if copying more than a single node
-	            context.copyLonLat(context.projection.invert(_point));
-	        } else {
-	            context.copyLonLat(null);
-	        }
-
-	    };
-
-
-	    function groupEntities(ids, graph) {
-	        var entities = ids.map(function (id) { return graph.entity(id); });
-	        return Object.assign(
-	            { relation: [], way: [], node: [] },
-	            utilArrayGroupBy(entities, 'type')
-	        );
-	    }
-
-
-	    function getDescendants(id, graph, descendants) {
-	        var entity = graph.entity(id);
-	        var children;
-
-	        descendants = descendants || {};
-
-	        if (entity.type === 'relation') {
-	            children = entity.members.map(function(m) { return m.id; });
-	        } else if (entity.type === 'way') {
-	            children = entity.nodes;
-	        } else {
-	            children = [];
-	        }
-
-	        for (var i = 0; i < children.length; i++) {
-	            if (!descendants[children[i]]) {
-	                descendants[children[i]] = true;
-	                descendants = getDescendants(children[i], graph, descendants);
-	            }
-	        }
-
-	        return descendants;
-	    }
-
-
-	    function getSelectionText() {
-	        return window.getSelection().toString();
-	    }
-
-
-	    operation.available = function() {
-	        return getFilteredIdsToCopy().length > 0;
-	    };
-
-
-	    operation.disabled = function() {
-	        var extent = utilTotalExtent(getFilteredIdsToCopy(), context.graph());
-	        if (extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        }
-	        return false;
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.copy.' + disable + '.' + _multi) :
-	            _t('operations.copy.description' + '.' + _multi);
-	    };
-
-
-	    operation.annotation = function() {
-	        return selectedIDs.length === 1 ?
-	            _t('operations.copy.annotation.single') :
-	            _t('operations.copy.annotation.multiple', { n: selectedIDs.length.toString() });
-	    };
-
-
-	    var _point;
-	    operation.point = function(val) {
-	        _point = val;
-	        return operation;
-	    };
-
-
-	    operation.id = 'copy';
-	    operation.keys = [uiCmd('⌘C')];
-	    operation.title = _t('operations.copy.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	function operationDisconnect(context, selectedIDs) {
-	    var _vertexIDs = [];
-	    var _wayIDs = [];
-	    var _otherIDs = [];
-	    var _actions = [];
-
-	    selectedIDs.forEach(function(id) {
-	        var entity = context.entity(id);
-	        if (entity.type === 'way'){
-	            _wayIDs.push(id);
-	        } else if (entity.geometry(context.graph()) === 'vertex') {
-	            _vertexIDs.push(id);
-	        } else {
-	            _otherIDs.push(id);
-	        }
-	    });
-
-	    var _extent, _nodes, _coords, _descriptionID = '', _annotationID = 'features';
-
-	    if (_vertexIDs.length > 0) {
-	        // At the selected vertices, disconnect the selected ways, if any, else
-	        // disconnect all connected ways
-
-	        _extent = utilTotalExtent(_vertexIDs, context.graph());
-
-	        _vertexIDs.forEach(function(vertexID) {
-	            var action = actionDisconnect(vertexID);
-
-	            if (_wayIDs.length > 0) {
-	                var waysIDsForVertex = _wayIDs.filter(function(wayID) {
-	                    var way = context.entity(wayID);
-	                    return way.nodes.indexOf(vertexID) !== -1;
-	                });
-	                action.limitWays(waysIDsForVertex);
-	            }
-	            _actions.push(action);
-	        });
-
-	        _descriptionID += _actions.length === 1 ? 'single_point.' : 'multiple_points.';
-	        if (_wayIDs.length === 1) {
-	            _descriptionID += 'single_way.' + context.graph().geometry(_wayIDs[0]);
-	        } else {
-	            _descriptionID += _wayIDs.length === 0 ? 'no_ways' : 'multiple_ways';
-	        }
-
-	    } else if (_wayIDs.length > 0) {
-	        // Disconnect the selected ways from each other, if they're connected,
-	        // else disconnect them from all connected ways
-
-	        var ways = _wayIDs.map(function(id) {
-	            return context.entity(id);
-	        });
-	        _nodes = utilGetAllNodes(_wayIDs, context.graph());
-	        _coords = _nodes.map(function(n) { return n.loc; });
-	        _extent = utilTotalExtent(ways, context.graph());
-
-	        // actions for connected nodes shared by at least two selected ways
-	        var sharedActions = [];
-	        // actions for connected nodes
-	        var unsharedActions = [];
-
-	        _nodes.forEach(function(node) {
-	            var action = actionDisconnect(node.id).limitWays(_wayIDs);
-	            if (action.disabled(context.graph()) !== 'not_connected') {
-
-	                var count = 0;
-	                for (var i in ways) {
-	                    var way = ways[i];
-	                    if (way.nodes.indexOf(node.id) !== -1) {
-	                        count += 1;
-	                    }
-	                    if (count > 1) break;
-	                }
-
-	                if (count > 1) {
-	                    sharedActions.push(action);
-	                } else {
-	                    unsharedActions.push(action);
-	                }
-	            }
-	        });
-
-	        _descriptionID += 'no_points.';
-	        _descriptionID += _wayIDs.length === 1 ? 'single_way.' : 'multiple_ways.';
-
-	        if (sharedActions.length) {
-	            // if any nodes are shared, only disconnect the selected ways from each other
-	            _actions = sharedActions;
-	            _descriptionID += 'conjoined';
-	            _annotationID = 'from_each_other';
-	        } else {
-	            // if no nodes are shared, disconnect the selected ways from all connected ways
-	            _actions = unsharedActions;
-	            if (_wayIDs.length === 1) {
-	                _descriptionID += context.graph().geometry(_wayIDs[0]);
-	            } else {
-	                _descriptionID += 'separate';
-	            }
-	        }
-	    }
-
-
-	    var operation = function() {
-	        context.perform(function(graph) {
-	            return _actions.reduce(function(graph, action) { return action(graph); }, graph);
-	        }, operation.annotation());
-
-	        context.validator().validate();
-	    };
-
-
-	    operation.available = function() {
-	        if (_actions.length === 0) return false;
-	        if (_otherIDs.length !== 0) return false;
-
-	        if (_vertexIDs.length !== 0 && _wayIDs.length !== 0 && !_wayIDs.every(function(wayID) {
-	            return _vertexIDs.some(function(vertexID) {
-	                var way = context.entity(wayID);
-	                return way.nodes.indexOf(vertexID) !== -1;
-	            });
-	        })) return false;
-
-	        return true;
-	    };
-
-
-	    operation.disabled = function() {
-	        var reason;
-	        for (var actionIndex in _actions) {
-	            reason = _actions[actionIndex].disabled(context.graph());
-	            if (reason) return reason;
-	        }
-
-	        if (_extent && _extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large.' + ((_vertexIDs.length ? _vertexIDs : _wayIDs).length === 1 ? 'single' : 'multiple');
-	        } else if (_coords && someMissing()) {
-	            return 'not_downloaded';
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        }
-
-	        return false;
-
-
-	        function someMissing() {
-	            if (context.inIntro()) return false;
-	            var osm = context.connection();
-	            if (osm) {
-	                var missing = _coords.filter(function(loc) { return !osm.isDataLoaded(loc); });
-	                if (missing.length) {
-	                    missing.forEach(function(loc) { context.loadTileAtLoc(loc); });
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        if (disable) {
-	            return _t('operations.disconnect.' + disable);
-	        }
-	        return _t('operations.disconnect.description.' + _descriptionID);
-	    };
-
-
-	    operation.annotation = function() {
-	        return _t('operations.disconnect.annotation.' + _annotationID);
-	    };
-
-
-	    operation.id = 'disconnect';
-	    operation.keys = [_t('operations.disconnect.key')];
-	    operation.title = _t('operations.disconnect.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	function operationDowngrade(context, selectedIDs) {
-	    var affectedFeatureCount = 0;
-	    var downgradeType;
-
-	    setDowngradeTypeForEntityIDs();
-
-	    var multi = affectedFeatureCount === 1 ? 'single' : 'multiple';
-
-	    function setDowngradeTypeForEntityIDs() {
-	        for (var i in selectedIDs) {
-	            var entityID = selectedIDs[i];
-	            var type = downgradeTypeForEntityID(entityID);
-	            if (type) {
-	                affectedFeatureCount += 1;
-	                if (downgradeType && type !== downgradeType) {
-	                    downgradeType = 'building_address';
-	                } else {
-	                    downgradeType = type;
-	                }
-	            }
-	        }
-	    }
-
-	    function downgradeTypeForEntityID(entityID) {
-	        var graph = context.graph();
-	        var entity = graph.entity(entityID);
-	        var preset = _mainPresetIndex.match(entity, graph);
-
-	        if (!preset || preset.isFallback()) return null;
-
-	        if (entity.type === 'node' &&
-	            preset.id !== 'address' &&
-	            Object.keys(entity.tags).some(function(key) {
-	                return key.match(/^addr:.{1,}/);
-	            })) {
-
-	            return 'address';
-	        }
-	        if (entity.geometry(graph) === 'area' &&
-	            entity.tags.building &&
-	            !preset.tags.building) {
-
-	            return 'building';
-	        }
-
-	        return null;
-	    }
-
-	    var buildingKeysToKeep = ['architect', 'building', 'height', 'layer', 'source', 'type', 'wheelchair'];
-	    var addressKeysToKeep = ['source'];
-
-	    var operation = function () {
-	        context.perform(function(graph) {
-
-	            for (var i in selectedIDs) {
-	                var entityID = selectedIDs[i];
-	                var type = downgradeTypeForEntityID(entityID);
-	                if (!type) continue;
-
-	                var tags = Object.assign({}, graph.entity(entityID).tags);  // shallow copy
-	                for (var key in tags) {
-	                    if (type === 'address' && addressKeysToKeep.indexOf(key) !== -1) continue;
-	                    if (type === 'building') {
-	                        if (buildingKeysToKeep.indexOf(key) !== -1 ||
-	                            key.match(/^building:.{1,}/) ||
-	                            key.match(/^roof:.{1,}/)) continue;
-	                    }
-	                    // keep address tags for buildings too
-	                    if (key.match(/^addr:.{1,}/)) continue;
-
-	                    delete tags[key];
-	                }
-	                graph = actionChangeTags(entityID, tags)(graph);
-	            }
-	            return graph;
-	        }, operation.annotation());
-
-	        context.validator().validate();
-
-	        // refresh the select mode to enable the delete operation
-	        context.enter(modeSelect(context, selectedIDs));
-	    };
-
-
-	    operation.available = function () {
-	        return downgradeType;
-	    };
-
-
-	    operation.disabled = function () {
-	        if (selectedIDs.some(hasWikidataTag)) {
-	            return 'has_wikidata_tag';
-	        }
-	        return false;
-
-	        function hasWikidataTag(id) {
-	            var entity = context.entity(id);
-	            return entity.tags.wikidata && entity.tags.wikidata.trim().length > 0;
-	        }
-	    };
-
-
-	    operation.tooltip = function () {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.downgrade.' + disable + '.' + multi) :
-	            _t('operations.downgrade.description.' + downgradeType);
-	    };
-
-
-	    operation.annotation = function () {
-	        var suffix;
-	        if (downgradeType === 'building_address') {
-	            suffix = 'multiple';
-	        } else {
-	            suffix = downgradeType + '.' + multi;
-	        }
-	        return _t('operations.downgrade.annotation.' + suffix, { n: affectedFeatureCount});
-	    };
-
-
-	    operation.id = 'downgrade';
-	    operation.keys = [uiCmd('⌘⌫'), uiCmd('⌘⌦'), uiCmd('⌦')];
-	    operation.title = _t('operations.downgrade.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-
-	    return operation;
-	}
-
-	function operationExtract(context, selectedIDs) {
-
-	    var _amount = selectedIDs.length === 1 ? 'single' : 'multiple';
-	    var _geometries = utilArrayUniq(selectedIDs.map(function(entityID) {
-	        return context.graph().hasEntity(entityID) && context.graph().geometry(entityID);
-	    }).filter(Boolean));
-	    var _geometryID = _geometries.length === 1 ? _geometries[0] : 'feature';
-
-	    var _extent;
-	    var _actions = selectedIDs.map(function(entityID) {
-	        var graph = context.graph();
-	        var entity = graph.hasEntity(entityID);
-	        if (!entity || !entity.hasInterestingTags()) return;
-
-	        if (entity.type === 'node' && graph.parentWays(entity).length === 0) return;
-
-	        if (entity.type !== 'node') {
-	            var preset = _mainPresetIndex.match(entity, graph);
-	            // only allow extraction from ways/relations if the preset supports points
-	            if (preset.geometry.indexOf('point') === -1) return;
-	        }
-
-	        _extent = _extent ? _extent.extend(entity.extent(graph)) : entity.extent(graph);
-
-	        return actionExtract(entityID);
-	    }).filter(Boolean);
-
-
-	    var operation = function () {
-	        var combinedAction = function(graph) {
-	            _actions.forEach(function(action) {
-	                graph = action(graph);
-	            });
-	            return graph;
-	        };
-	        context.perform(combinedAction, operation.annotation());  // do the extract
-
-	        var extractedNodeIDs = _actions.map(function(action) {
-	            return action.getExtractedNodeID();
-	        });
-	        context.enter(modeSelect(context, extractedNodeIDs));
-	    };
-
-
-	    operation.available = function () {
-	        return _actions.length && selectedIDs.length === _actions.length;
-	    };
-
-
-	    operation.disabled = function () {
-
-	        if (_extent && _extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        } else if (selectedIDs.some(function(entityID) {
-	            return context.graph().geometry(entityID) === 'vertex' && context.hasHiddenConnections(entityID);
-	        })) {
-	            return 'connected_to_hidden';
-	        }
-
-	        return false;
-	    };
-
-
-	    operation.tooltip = function () {
-	        var disableReason = operation.disabled();
-	        if (disableReason) {
-	            return _t('operations.extract.' + disableReason + '.' + _amount);
-	        } else {
-	            return _t('operations.extract.description.' + _geometryID + '.' + _amount);
-	        }
-	    };
-
-
-	    operation.annotation = function () {
-	        return _t('operations.extract.annotation.' + _amount, { n: selectedIDs.length });
-	    };
-
-
-	    operation.id = 'extract';
-	    operation.keys = [_t('operations.extract.key')];
-	    operation.title = _t('operations.extract.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-
-	    return operation;
-	}
-
-	function operationMerge(context, selectedIDs) {
-
-	    var _action = getAction();
-
-	    function getAction() {
-	        // prefer a non-disabled action first
-	        var join = actionJoin(selectedIDs);
-	        if (!join.disabled(context.graph())) return join;
-
-	        var merge = actionMerge(selectedIDs);
-	        if (!merge.disabled(context.graph())) return merge;
-
-	        var mergePolygon = actionMergePolygon(selectedIDs);
-	        if (!mergePolygon.disabled(context.graph())) return mergePolygon;
-
-	        var mergeNodes = actionMergeNodes(selectedIDs);
-	        if (!mergeNodes.disabled(context.graph())) return mergeNodes;
-
-	        // otherwise prefer an action with an interesting disabled reason
-	        if (join.disabled(context.graph()) !== 'not_eligible') return join;
-	        if (merge.disabled(context.graph()) !== 'not_eligible') return merge;
-	        if (mergePolygon.disabled(context.graph()) !== 'not_eligible') return mergePolygon;
-
-	        return mergeNodes;
-	    }
-
-	    var operation = function() {
-
-	        if (operation.disabled()) return;
-
-	        context.perform(_action, operation.annotation());
-
-	        context.validator().validate();
-
-	        var resultIDs = selectedIDs.filter(context.hasEntity);
-	        if (resultIDs.length > 1) {
-	            var interestingIDs = resultIDs.filter(function(id) {
-	                return context.entity(id).hasInterestingTags();
-	            });
-	            if (interestingIDs.length) resultIDs = interestingIDs;
-	        }
-	        context.enter(modeSelect(context, resultIDs));
-	    };
-
-	    operation.available = function() {
-	        return selectedIDs.length >= 2;
-	    };
-
-	    operation.disabled = function() {
-	        var actionDisabled = _action.disabled(context.graph());
-	        if (actionDisabled) return actionDisabled;
-
-	        var osm = context.connection();
-	        if (osm &&
-	            _action.resultingWayNodesLength &&
-	            _action.resultingWayNodesLength(context.graph()) > osm.maxWayNodes()) {
-	            return 'too_many_vertices';
-	        }
-
-	        return false;
-	    };
-
-	    operation.tooltip = function() {
-	        var disabled = operation.disabled();
-	        if (disabled) {
-	            if (disabled === 'restriction') {
-	                return _t('operations.merge.restriction',
-	                    { relation: _mainPresetIndex.item('type/restriction').name() });
-	            }
-	            return _t('operations.merge.' + disabled);
-	        }
-	        return _t('operations.merge.description');
-	    };
-
-	    operation.annotation = function() {
-	        return _t('operations.merge.annotation', { n: selectedIDs.length });
-	    };
-
-	    operation.id = 'merge';
-	    operation.keys = [_t('operations.merge.key')];
-	    operation.title = _t('operations.merge.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	// see also `behaviorPaste`
-	function operationPaste(context) {
-
-	    var _pastePoint;
-
-	    var operation = function() {
-
-	        if (!_pastePoint) return;
-
-	        var oldIDs = context.copyIDs();
-	        if (!oldIDs.length) return;
-
-	        var projection = context.projection;
-	        var extent = geoExtent();
-	        var oldGraph = context.copyGraph();
-	        var newIDs = [];
-
-	        var action = actionCopyEntities(oldIDs, oldGraph);
-	        context.perform(action);
-
-	        var copies = action.copies();
-	        var originals = new Set();
-	        Object.values(copies).forEach(function(entity) { originals.add(entity.id); });
-
-	        for (var id in copies) {
-	            var oldEntity = oldGraph.entity(id);
-	            var newEntity = copies[id];
-
-	            extent._extend(oldEntity.extent(oldGraph));
-
-	            // Exclude child nodes from newIDs if their parent way was also copied.
-	            var parents = context.graph().parentWays(newEntity);
-	            var parentCopied = parents.some(function(parent) {
-	                return originals.has(parent.id);
-	            });
-
-	            if (!parentCopied) {
-	                newIDs.push(newEntity.id);
-	            }
-	        }
-
-	        // Use the location of the copy operation to offset the paste location,
-	        // or else use the center of the pasted extent
-	        var copyPoint = (context.copyLonLat() && projection(context.copyLonLat())) ||
-	            projection(extent.center());
-	        var delta = geoVecSubtract(_pastePoint, copyPoint);
-
-	        // Move the pasted objects to be anchored at the paste location
-	        context.replace(actionMove(newIDs, delta, projection), operation.annotation());
-	        context.enter(modeSelect(context, newIDs));
-	    };
-
-	    operation.point = function(val) {
-	        _pastePoint = val;
-	        return operation;
-	    };
-
-	    operation.available = function() {
-	        return context.mode().id === 'browse';
-	    };
-
-	    operation.disabled = function() {
-	        return !context.copyIDs().length;
-	    };
-
-	    operation.tooltip = function() {
-	        var oldGraph = context.copyGraph();
-	        var ids = context.copyIDs();
-	        if (!ids.length) {
-	            return _t('operations.paste.nothing_copied');
-	        }
-	        return ids.length === 1 ?
-	            _t('operations.paste.description.single', { feature: utilDisplayLabel(oldGraph.entity(ids[0]), oldGraph) }) :
-	            _t('operations.paste.description.multiple', { n: ids.length.toString() });
-	    };
-
-	    operation.annotation = function() {
-	        var ids = context.copyIDs();
-	        return ids.length === 1 ?
-	            _t('operations.paste.annotation.single') :
-	            _t('operations.paste.annotation.multiple', { n: ids.length.toString() });
-	    };
-
-	    operation.id = 'paste';
-	    operation.keys = [uiCmd('⌘V')];
-	    operation.title = _t('operations.paste.title');
-
-	    return operation;
-	}
-
-	function operationReverse(context, selectedIDs) {
-
-	    var operation = function() {
-	        context.perform(function combinedReverseAction(graph) {
-	            actions().forEach(function(action) {
-	                graph = action(graph);
-	            });
-	            return graph;
-	        }, operation.annotation());
-	        context.validator().validate();
-	    };
-
-	    function actions(situation) {
-	        return selectedIDs.map(function(entityID) {
-	            var entity = context.hasEntity(entityID);
-	            if (!entity) return;
-
-	            if (situation === 'toolbar') {
-	                if (entity.type === 'way' &&
-	                    (!entity.isOneWay() && !entity.isSided())) return;
-	            }
-
-	            var geometry = entity.geometry(context.graph());
-	            if (entity.type !== 'node' && geometry !== 'line') return;
-
-	            var action = actionReverse(entityID);
-	            if (action.disabled(context.graph())) return;
-
-	            return action;
-	        }).filter(Boolean);
-	    }
-
-	    function reverseTypeID() {
-	        var acts = actions();
-	        var nodeActionCount = acts.filter(function(act) {
-	            var entity = context.hasEntity(act.entityID());
-	            return entity && entity.type === 'node';
-	        }).length;
-	        var typeID = nodeActionCount === 0 ? 'line' : (nodeActionCount === acts.length ? 'point' : 'features');
-	        if (typeID !== 'features' && acts.length > 1) typeID += 's';
-	        return typeID;
-	    }
-
-
-	    operation.available = function(situation) {
-	        return actions(situation).length > 0;
-	    };
-
-
-	    operation.disabled = function() {
-	        return false;
-	    };
-
-
-	    operation.tooltip = function() {
-	        return _t('operations.reverse.description.' + reverseTypeID());
-	    };
-
-
-	    operation.annotation = function() {
-	        return _t('operations.reverse.annotation.' + reverseTypeID());
-	    };
-
-
-	    operation.id = 'reverse';
-	    operation.keys = [_t('operations.reverse.key')];
-	    operation.title = _t('operations.reverse.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	function operationSplit(context, selectedIDs) {
-	    var vertices = selectedIDs
-	        .filter(function(id) { return context.graph().geometry(id) === 'vertex'; });
-	    var entityID = vertices[0];
-	    var action = actionSplit(entityID);
-	    var ways = [];
-
-	    if (vertices.length === 1) {
-	        if (entityID && selectedIDs.length > 1) {
-	            var ids = selectedIDs.filter(function(id) { return id !== entityID; });
-	            action.limitWays(ids);
-	        }
-	        ways = action.ways(context.graph());
-	    }
-
-
-	    var operation = function() {
-	        var difference = context.perform(action, operation.annotation());
-	        context.enter(modeSelect(context, difference.extantIDs()));
-	    };
-
-
-	    operation.available = function() {
-	        return vertices.length === 1;
-	    };
-
-
-	    operation.disabled = function() {
-	        var reason = action.disabled(context.graph());
-	        if (reason) {
-	            return reason;
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        }
-
-	        return false;
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        if (disable) {
-	            return _t('operations.split.' + disable);
-	        } else if (ways.length === 1) {
-	            return _t('operations.split.description.' + context.graph().geometry(ways[0].id));
-	        } else {
-	            return _t('operations.split.description.multiple');
-	        }
-	    };
-
-
-	    operation.annotation = function() {
-	        return ways.length === 1 ?
-	            _t('operations.split.annotation.' + context.graph().geometry(ways[0].id)) :
-	            _t('operations.split.annotation.multiple', { n: ways.length });
-	    };
-
-
-	    operation.id = 'split';
-	    operation.keys = [_t('operations.split.key')];
-	    operation.title = _t('operations.split.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	function operationStraighten(context, selectedIDs) {
-	    var _wayIDs = selectedIDs.filter(function(id) { return id.charAt(0) === 'w'; });
-	    var _nodeIDs = selectedIDs.filter(function(id) { return id.charAt(0) === 'n'; });
-	    var _amount = ((_wayIDs.length ? _wayIDs : _nodeIDs).length === 1 ? 'single' : 'multiple');
-
-	    var _nodes = utilGetAllNodes(selectedIDs, context.graph());
-	    var _coords = _nodes.map(function(n) { return n.loc; });
-	    var _extent = utilTotalExtent(selectedIDs, context.graph());
-	    var _action = chooseAction();
-	    var _geometry;
-
-
-	    function chooseAction() {
-	        // straighten selected nodes
-	        if (_wayIDs.length === 0 && _nodeIDs.length > 2) {
-	            _geometry = 'points';
-	            return actionStraightenNodes(_nodeIDs, context.projection);
-
-	        // straighten selected ways (possibly between range of 2 selected nodes)
-	        } else if (_wayIDs.length > 0 && (_nodeIDs.length === 0 || _nodeIDs.length === 2)) {
-	            var startNodeIDs = [];
-	            var endNodeIDs = [];
-
-	            for (var i = 0; i < selectedIDs.length; i++) {
-	                var entity = context.entity(selectedIDs[i]);
-	                if (entity.type === 'node') {
-	                    continue;
-	                } else if (entity.type !== 'way' || entity.isClosed()) {
-	                    return null;  // exit early, can't straighten these
-	                }
-
-	                startNodeIDs.push(entity.first());
-	                endNodeIDs.push(entity.last());
-	            }
-
-	            // Remove duplicate end/startNodeIDs (duplicate nodes cannot be at the line end)
-	            startNodeIDs = startNodeIDs.filter(function(n) {
-	                return startNodeIDs.indexOf(n) === startNodeIDs.lastIndexOf(n);
-	            });
-	            endNodeIDs = endNodeIDs.filter(function(n) {
-	                return endNodeIDs.indexOf(n) === endNodeIDs.lastIndexOf(n);
-	            });
-
-	            // Ensure all ways are connected (i.e. only 2 unique endpoints/startpoints)
-	            if (utilArrayDifference(startNodeIDs, endNodeIDs).length +
-	                utilArrayDifference(endNodeIDs, startNodeIDs).length !== 2) return null;
-
-	            // Ensure path contains at least 3 unique nodes
-	            var wayNodeIDs = utilGetAllNodes(_wayIDs, context.graph())
-	                .map(function(node) { return node.id; });
-	            if (wayNodeIDs.length <= 2) return null;
-
-	            // If range of 2 selected nodes is supplied, ensure nodes lie on the selected path
-	            if (_nodeIDs.length === 2 && (
-	                wayNodeIDs.indexOf(_nodeIDs[0]) === -1 || wayNodeIDs.indexOf(_nodeIDs[1]) === -1
-	            )) return null;
-
-	            if (_nodeIDs.length) {
-	                // If we're only straightenting between two points, we only need that extent visible
-	                _extent = utilTotalExtent(_nodeIDs, context.graph());
-	            }
-
-	            _geometry = _wayIDs.length === 1 ? 'line' : 'lines';
-	            return actionStraightenWay(selectedIDs, context.projection);
-	        }
-
-	        return null;
-	    }
-
-
-	    function operation() {
-	        if (!_action) return;
-
-	        context.perform(_action, operation.annotation());
-
-	        window.setTimeout(function() {
-	            context.validator().validate();
-	        }, 300);  // after any transition
-	    }
-
-
-	    operation.available = function() {
-	        return Boolean(_action);
-	    };
-
-
-	    operation.disabled = function() {
-	        var reason = _action.disabled(context.graph());
-	        if (reason) {
-	            return reason;
-	        } else if (_extent.percentContainedIn(context.map().extent()) < 0.8) {
-	            return 'too_large';
-	        } else if (someMissing()) {
-	            return 'not_downloaded';
-	        } else if (selectedIDs.some(context.hasHiddenConnections)) {
-	            return 'connected_to_hidden';
-	        }
-
-	        return false;
-
-
-	        function someMissing() {
-	            if (context.inIntro()) return false;
-	            var osm = context.connection();
-	            if (osm) {
-	                var missing = _coords.filter(function(loc) { return !osm.isDataLoaded(loc); });
-	                if (missing.length) {
-	                    missing.forEach(function(loc) { context.loadTileAtLoc(loc); });
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-	    };
-
-
-	    operation.tooltip = function() {
-	        var disable = operation.disabled();
-	        return disable ?
-	            _t('operations.straighten.' + disable + '.' + _amount) :
-	            _t('operations.straighten.description.' + _geometry);
-	    };
-
-
-	    operation.annotation = function() {
-	        return _t('operations.straighten.annotation.' + _geometry);
-	    };
-
-
-	    operation.id = 'straighten';
-	    operation.keys = [_t('operations.straighten.key')];
-	    operation.title = _t('operations.straighten.title');
-	    operation.behavior = behaviorOperation(context).which(operation);
-
-	    return operation;
-	}
-
-	var Operations = /*#__PURE__*/Object.freeze({
-		__proto__: null,
-		operationCircularize: operationCircularize,
-		operationContinue: operationContinue,
-		operationCopy: operationCopy,
-		operationDelete: operationDelete,
-		operationDisconnect: operationDisconnect,
-		operationDowngrade: operationDowngrade,
-		operationExtract: operationExtract,
-		operationMerge: operationMerge,
-		operationMove: operationMove,
-		operationOrthogonalize: operationOrthogonalize,
-		operationPaste: operationPaste,
-		operationReflectShort: operationReflectShort,
-		operationReflectLong: operationReflectLong,
-		operationReverse: operationReverse,
-		operationRotate: operationRotate,
-		operationSplit: operationSplit,
-		operationStraighten: operationStraighten
-	});
-
-	var _relatedParent;
-
-
-	function modeSelect(context, selectedIDs) {
-	    var mode = {
-	        id: 'select',
-	        button: 'browse'
-	    };
-
-	    var keybinding = utilKeybinding('select');
-
-	    var _breatheBehavior = behaviorBreathe();
-	    var _modeDragNode = modeDragNode(context);
-	    var _selectBehavior;
-	    var _behaviors = [];
-
-	    var _operations = [];
-	    var _newFeature = false;
-	    var _follow = false;
-
-
-	    function singular() {
-	        if (selectedIDs && selectedIDs.length === 1) {
-	            return context.hasEntity(selectedIDs[0]);
-	        }
-	    }
-
-	    function selectedEntities() {
-	        return selectedIDs.map(function(id) {
-	            return context.hasEntity(id);
-	        }).filter(Boolean);
-	    }
-
-
-	    function checkSelectedIDs() {
-	        var ids = [];
-	        if (Array.isArray(selectedIDs)) {
-	            ids = selectedIDs.filter(function(id) {
-	                return context.hasEntity(id);
-	            });
-	        }
-
-	        if (!ids.length) {
-	            context.enter(modeBrowse(context));
-	            return false;
-	        } else if ((selectedIDs.length > 1 && ids.length === 1) ||
-	            (selectedIDs.length === 1 && ids.length > 1)) {
-	            // switch between single- and multi-select UI
-	            context.enter(modeSelect(context, ids));
-	            return false;
-	        }
-
-	        selectedIDs = ids;
-	        return true;
-	    }
-
-
-	    // find the common parent ways for nextVertex, previousVertex
-	    function commonParents() {
-	        var graph = context.graph();
-	        var commonParents = [];
-
-	        for (var i = 0; i < selectedIDs.length; i++) {
-	            var entity = context.hasEntity(selectedIDs[i]);
-	            if (!entity || entity.geometry(graph) !== 'vertex') {
-	                return [];  // selection includes some not vertexes
-	            }
-
-	            var currParents = graph.parentWays(entity).map(function(w) { return w.id; });
-	            if (!commonParents.length) {
-	                commonParents = currParents;
-	                continue;
-	            }
-
-	            commonParents = utilArrayIntersection(commonParents, currParents);
-	            if (!commonParents.length) {
-	                return [];
-	            }
-	        }
-
-	        return commonParents;
-	    }
-
-
-	    function singularParent() {
-	        var parents = commonParents();
-	        if (!parents || parents.length === 0) {
-	            _relatedParent = null;
-	            return null;
-	        }
-
-	        // relatedParent is used when we visit a vertex with multiple
-	        // parents, and we want to remember which parent line we started on.
-
-	        if (parents.length === 1) {
-	            _relatedParent = parents[0];  // remember this parent for later
-	            return _relatedParent;
-	        }
-
-	        if (parents.indexOf(_relatedParent) !== -1) {
-	            return _relatedParent;   // prefer the previously seen parent
-	        }
-
-	        return parents[0];
-	    }
-
-
-	    mode.selectedIDs = function(val) {
-	        if (!arguments.length) return selectedIDs;
-	        selectedIDs = val;
-	        return mode;
-	    };
-
-
-	    mode.zoomToSelected = function() {
-	        context.map().zoomToEase(selectedEntities());
-	    };
-
-
-	    mode.newFeature = function(val) {
-	        if (!arguments.length) return _newFeature;
-	        _newFeature = val;
-	        return mode;
-	    };
-
-
-	    mode.selectBehavior = function(val) {
-	        if (!arguments.length) return _selectBehavior;
-	        _selectBehavior = val;
-	        return mode;
-	    };
-
-
-	    mode.follow = function(val) {
-	        if (!arguments.length) return _follow;
-	        _follow = val;
-	        return mode;
-	    };
-
-	    function loadOperations() {
-
-	        _operations.forEach(function(operation) {
-	            if (operation.behavior) {
-	                context.uninstall(operation.behavior);
-	            }
-	        });
-
-	        _operations = Object.values(Operations)
-	            .map(function(o) { return o(context, selectedIDs); })
-	            .filter(function(o) { return o.available() && o.id !== 'delete' && o.id !== 'downgrade' && o.id !== 'copy'; });
-
-	        var copyOperation = operationCopy(context, selectedIDs);
-	        if (copyOperation.available()) {
-	            // group copy operation with delete/downgrade
-	            _operations.push(copyOperation);
-	        }
-
-	        var downgradeOperation = operationDowngrade(context, selectedIDs);
-	        // don't allow delete if downgrade is available
-	        var lastOperation = !context.inIntro() && downgradeOperation.available() ? downgradeOperation : operationDelete(context, selectedIDs);
-
-	        _operations.push(lastOperation);
-
-	        _operations.forEach(function(operation) {
-	            if (operation.behavior) {
-	                context.install(operation.behavior);
-	            }
-	        });
-
-	        // remove any displayed menu
-	        context.ui().closeEditMenu();
-	    }
-
-	    mode.operations = function() {
-	        return _operations;
-	    };
-
-
-	    mode.enter = function() {
-	        if (!checkSelectedIDs()) return;
-
-	        context.features().forceVisible(selectedIDs);
-
-	        _modeDragNode.restoreSelectedIDs(selectedIDs);
-
-	        loadOperations();
-
-	        if (!_behaviors.length) {
-	            if (!_selectBehavior) _selectBehavior = behaviorSelect(context);
-
-	            _behaviors = [
-	                behaviorPaste(context),
-	                _breatheBehavior,
-	                behaviorHover(context).on('hover', context.ui().sidebar.hoverModeSelect),
-	                _selectBehavior,
-	                behaviorLasso(context),
-	                _modeDragNode.behavior,
-	                modeDragNote(context).behavior
-	            ];
-	        }
-	        _behaviors.forEach(context.install);
-
-	        keybinding
-	            .on(_t('inspector.zoom_to.key'), mode.zoomToSelected)
-	            .on(['[', 'pgup'], previousVertex)
-	            .on([']', 'pgdown'], nextVertex)
-	            .on(['{', uiCmd('⌘['), 'home'], firstVertex)
-	            .on(['}', uiCmd('⌘]'), 'end'], lastVertex)
-	            .on(uiCmd('⇧←'), nudgeSelection([-10, 0]))
-	            .on(uiCmd('⇧↑'), nudgeSelection([0, -10]))
-	            .on(uiCmd('⇧→'), nudgeSelection([10, 0]))
-	            .on(uiCmd('⇧↓'), nudgeSelection([0, 10]))
-	            .on(uiCmd('⇧⌘←'), nudgeSelection([-100, 0]))
-	            .on(uiCmd('⇧⌘↑'), nudgeSelection([0, -100]))
-	            .on(uiCmd('⇧⌘→'), nudgeSelection([100, 0]))
-	            .on(uiCmd('⇧⌘↓'), nudgeSelection([0, 100]))
-	            .on(['\\', 'pause'], nextParent)
-	            .on('⎋', esc, true);
-
-	        select(document)
-	            .call(keybinding);
-
-	        context.ui().sidebar
-	            .select(selectedIDs, _newFeature);
-
-	        context.history()
-	            .on('change.select', function() {
-	                loadOperations();
-	                // reselect after change in case relation members were removed or added
-	                selectElements();
-	            })
-	            .on('undone.select', checkSelectedIDs)
-	            .on('redone.select', checkSelectedIDs);
-
-	        context.map()
-	            .on('drawn.select', selectElements)
-	            .on('crossEditableZoom.select', function() {
-	                selectElements();
-	                _breatheBehavior.restartIfNeeded(context.surface());
-	            });
-
-	        context.map().doubleUpHandler()
-	            .on('doubleUp.modeSelect', didDoubleUp);
-
-
-	        selectElements();
-
-	        if (_follow) {
-	            var extent = geoExtent();
-	            var graph = context.graph();
-	            selectedIDs.forEach(function(id) {
-	                var entity = context.entity(id);
-	                extent._extend(entity.extent(graph));
-	            });
-
-	            var loc = extent.center();
-	            context.map().centerEase(loc);
-	        }
-
-
-	        function nudgeSelection(delta) {
-	            return function() {
-	                // prevent nudging during low zoom selection
-	                if (!context.map().withinEditableZoom()) return;
-
-	                var moveOp = operationMove(context, selectedIDs);
-	                if (moveOp.disabled()) {
-	                    context.ui().flash
-	                        .duration(4000)
-	                        .iconName('#iD-operation-' + moveOp.id)
-	                        .iconClass('operation disabled')
-	                        .text(moveOp.tooltip)();
-	                } else {
-	                    context.perform(actionMove(selectedIDs, delta, context.projection), moveOp.annotation());
-	                }
-	            };
-	        }
-
-
-	        function didDoubleUp(loc) {
-	            if (!context.map().withinEditableZoom()) return;
-
-	            var target = select(event.target);
-
-	            var datum = target.datum();
-	            var entity = datum && datum.properties && datum.properties.entity;
-	            if (!entity) return;
-
-	            if (entity instanceof osmWay && target.classed('target')) {
-	                var choice = geoChooseEdge(context.graph().childNodes(entity), loc, context.projection);
-	                var prev = entity.nodes[choice.index - 1];
-	                var next = entity.nodes[choice.index];
-
-	                context.perform(
-	                    actionAddMidpoint({ loc: choice.loc, edge: [prev, next] }, osmNode()),
-	                    _t('operations.add.annotation.vertex')
-	                );
-
-	            } else if (entity.type === 'midpoint') {
-	                context.perform(
-	                    actionAddMidpoint({ loc: entity.loc, edge: entity.edge }, osmNode()),
-	                    _t('operations.add.annotation.vertex'));
-	            }
-	        }
-
-
-	        function selectElements() {
-	            if (!checkSelectedIDs()) return;
-
-	            var surface = context.surface();
-
-	            surface.selectAll('.selected-member')
-	                .classed('selected-member', false);
-
-	            surface.selectAll('.selected')
-	                .classed('selected', false);
-
-	            surface.selectAll('.related')
-	                .classed('related', false);
-
-	            singularParent();
-	            if (_relatedParent) {
-	                surface.selectAll(utilEntitySelector([_relatedParent]))
-	                    .classed('related', true);
-	            }
-
-	            if (context.map().withinEditableZoom()) {
-	                // Apply selection styling if not in wide selection
-
-	                surface
-	                    .selectAll(utilDeepMemberSelector(selectedIDs, context.graph(), true /* skipMultipolgonMembers */))
-	                    .classed('selected-member', true);
-	                surface
-	                    .selectAll(utilEntityOrDeepMemberSelector(selectedIDs, context.graph()))
-	                    .classed('selected', true);
-	            }
-
-	        }
-
-
-	        function esc() {
-	            if (context.container().select('.combobox').size()) return;
-	            context.enter(modeBrowse(context));
-	        }
-
-
-	        function firstVertex() {
-	            event.preventDefault();
-	            var entity = singular();
-	            var parent = singularParent();
-	            var way;
-
-	            if (entity && entity.type === 'way') {
-	                way = entity;
-	            } else if (parent) {
-	                way = context.entity(parent);
-	            }
-
-	            if (way) {
-	                context.enter(
-	                    modeSelect(context, [way.first()]).follow(true)
-	                );
-	            }
-	        }
-
-
-	        function lastVertex() {
-	            event.preventDefault();
-	            var entity = singular();
-	            var parent = singularParent();
-	            var way;
-
-	            if (entity && entity.type === 'way') {
-	                way = entity;
-	            } else if (parent) {
-	                way = context.entity(parent);
-	            }
-
-	            if (way) {
-	                context.enter(
-	                    modeSelect(context, [way.last()]).follow(true)
-	                );
-	            }
-	        }
-
-
-	        function previousVertex() {
-	            event.preventDefault();
-	            var parent = singularParent();
-	            if (!parent) return;
-
-	            var way = context.entity(parent);
-	            var length = way.nodes.length;
-	            var curr = way.nodes.indexOf(selectedIDs[0]);
-	            var index = -1;
-
-	            if (curr > 0) {
-	                index = curr - 1;
-	            } else if (way.isClosed()) {
-	                index = length - 2;
-	            }
-
-	            if (index !== -1) {
-	                context.enter(
-	                    modeSelect(context, [way.nodes[index]]).follow(true)
-	                );
-	            }
-	        }
-
-
-	        function nextVertex() {
-	            event.preventDefault();
-	            var parent = singularParent();
-	            if (!parent) return;
-
-	            var way = context.entity(parent);
-	            var length = way.nodes.length;
-	            var curr = way.nodes.indexOf(selectedIDs[0]);
-	            var index = -1;
-
-	            if (curr < length - 1) {
-	                index = curr + 1;
-	            } else if (way.isClosed()) {
-	                index = 0;
-	            }
-
-	            if (index !== -1) {
-	                context.enter(
-	                    modeSelect(context, [way.nodes[index]]).follow(true)
-	                );
-	            }
-	        }
-
-
-	        function nextParent() {
-	            event.preventDefault();
-	            var parents = commonParents();
-	            if (!parents || parents.length < 2) return;
-
-	            var index = parents.indexOf(_relatedParent);
-	            if (index < 0 || index > parents.length - 2) {
-	                _relatedParent = parents[0];
-	            } else {
-	                _relatedParent = parents[index + 1];
-	            }
-
-	            var surface = context.surface();
-	            surface.selectAll('.related')
-	                .classed('related', false);
-
-	            if (_relatedParent) {
-	                surface.selectAll(utilEntitySelector([_relatedParent]))
-	                    .classed('related', true);
-	            }
-	        }
-	    };
-
-
-	    mode.exit = function() {
-
-	        _newFeature = false;
-
-	        _operations.forEach(function(operation) {
-	            if (operation.behavior) {
-	                context.uninstall(operation.behavior);
-	            }
-	        });
-	        _operations = [];
-
-	        _behaviors.forEach(context.uninstall);
-
-	        select(document)
-	            .call(keybinding.unbind);
-
-	        context.ui().closeEditMenu();
-
-	        context.history()
-	            .on('change.select', null)
-	            .on('undone.select', null)
-	            .on('redone.select', null);
-
-	        var surface = context.surface();
-
-	        surface
-	            .selectAll('.selected-member')
-	            .classed('selected-member', false);
-
-	        surface
-	            .selectAll('.selected')
-	            .classed('selected', false);
-
-	        surface
-	            .selectAll('.highlighted')
-	            .classed('highlighted', false);
-
-	        surface
-	            .selectAll('.related')
-	            .classed('related', false);
-
-	        context.map().on('drawn.select', null);
-	        context.ui().sidebar.hide();
-	        context.features().forceVisible([]);
-
-	        var entity = singular();
-	        if (_newFeature && entity && entity.type === 'relation' &&
-	            // no tags
-	            Object.keys(entity.tags).length === 0 &&
-	            // no parent relations
-	            context.graph().parentRelations(entity).length === 0 &&
-	            // no members or one member with no role
-	            (entity.members.length === 0 || (entity.members.length === 1 && !entity.members[0].role))
-	        ) {
-	            // the user added this relation but didn't edit it at all, so just delete it
-	            var deleteAction = actionDeleteRelation(entity.id, true /* don't delete untagged members */);
-	            context.perform(deleteAction, _t('operations.delete.annotation.relation'));
-	        }
-	    };
-
-
-	    return mode;
-	}
-
-	function uiLasso(context) {
-	    var group, polygon;
-
-	    lasso.coordinates = [];
-
-	    function lasso(selection) {
-	        context.container()
-	            .classed('lasso', true);
-
-	        group = selection
-	            .append('g')
-	            .attr('class', 'lasso hide');
-
-	        polygon = group
-	            .append('path')
-	            .attr('class', 'lasso-path');
-
-	        group
-	            .call(uiToggle(true));
-	    }
-
-
-	    function draw() {
-	        if (polygon) {
-	            polygon.data([lasso.coordinates])
-	                .attr('d', function(d) { return 'M' + d.join(' L') + ' Z'; });
-	        }
-	    }
-
-
-	    lasso.extent = function () {
-	        return lasso.coordinates.reduce(function(extent, point) {
-	            return extent.extend(geoExtent(point));
-	        }, geoExtent());
-	    };
-
-
-	    lasso.p = function(_) {
-	        if (!arguments.length) return lasso;
-	        lasso.coordinates.push(_);
-	        draw();
-	        return lasso;
-	    };
-
-
-	    lasso.close = function() {
-	        if (group) {
-	            group.call(uiToggle(false, function() {
-	                select(this).remove();
-	            }));
-	        }
-	        context.container().classed('lasso', false);
-	    };
-
-
-	    return lasso;
-	}
-
-	function behaviorLasso(context) {
-
-	    // use pointer events on supported platforms; fallback to mouse events
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-	    var behavior = function(selection) {
-	        var lasso;
-
-
-	        function pointerdown() {
-	            var button = 0;  // left
-	            if (event.button === button && event.shiftKey === true) {
-	                lasso = null;
-
-	                select(window)
-	                    .on(_pointerPrefix + 'move.lasso', pointermove)
-	                    .on(_pointerPrefix + 'up.lasso', pointerup);
-
-	                event.stopPropagation();
-	            }
-	        }
-
-
-	        function pointermove() {
-	            if (!lasso) {
-	                lasso = uiLasso(context);
-	                context.surface().call(lasso);
-	            }
-
-	            lasso.p(context.map().mouse());
-	        }
-
-
-	        function normalize(a, b) {
-	            return [
-	                [Math.min(a[0], b[0]), Math.min(a[1], b[1])],
-	                [Math.max(a[0], b[0]), Math.max(a[1], b[1])]
-	            ];
-	        }
-
-
-	        function lassoed() {
-	            if (!lasso) return [];
-
-	            var graph = context.graph();
-	            var limitToNodes;
-
-	            if (context.map().editableDataEnabled(true /* skipZoomCheck */) && context.map().isInWideSelection()) {
-	                // only select from the visible nodes
-	                limitToNodes = new Set(utilGetAllNodes(context.selectedIDs(), graph));
-	            } else if (!context.map().editableDataEnabled()) {
-	                return [];
-	            }
-
-	            var bounds = lasso.extent().map(context.projection.invert);
-	            var extent = geoExtent(normalize(bounds[0], bounds[1]));
-
-	            var intersects = context.history().intersects(extent).filter(function(entity) {
-	                return entity.type === 'node' &&
-	                    (!limitToNodes || limitToNodes.has(entity)) &&
-	                    geoPointInPolygon(context.projection(entity.loc), lasso.coordinates) &&
-	                    !context.features().isHidden(entity, graph, entity.geometry(graph));
-	            });
-
-	            // sort the lassoed nodes as best we can
-	            intersects.sort(function(node1, node2) {
-	                var parents1 = graph.parentWays(node1);
-	                var parents2 = graph.parentWays(node2);
-	                if (parents1.length && parents2.length) {
-	                    // both nodes are vertices
-
-	                    var sharedParents = utilArrayIntersection(parents1, parents2);
-	                    if (sharedParents.length) {
-	                        var sharedParentNodes = sharedParents[0].nodes;
-	                        // vertices are members of the same way; sort them in their listed order
-	                        return sharedParentNodes.indexOf(node1.id) -
-	                            sharedParentNodes.indexOf(node2.id);
-	                    } else {
-	                        // vertices do not share a way; group them by their respective parent ways
-	                        return parseFloat(parents1[0].id.slice(1)) -
-	                            parseFloat(parents2[0].id.slice(1));
-	                    }
-
-	                } else if (parents1.length || parents2.length) {
-	                    // only one node is a vertex; sort standalone points before vertices
-	                    return parents1.length - parents2.length;
-	                }
-	                // both nodes are standalone points; sort left to right
-	                return node1.loc[0] - node2.loc[0];
-	            });
-
-	            return intersects.map(function(entity) { return entity.id; });
-	        }
-
-
-	        function pointerup() {
-	            select(window)
-	                .on(_pointerPrefix + 'move.lasso', null)
-	                .on(_pointerPrefix + 'up.lasso', null);
-
-	            if (!lasso) return;
-
-	            var ids = lassoed();
-	            lasso.close();
-
-	            if (ids.length) {
-	                context.enter(modeSelect(context, ids));
-	            }
-	        }
-
-	        selection
-	            .on(_pointerPrefix + 'down.lasso', pointerdown);
-	    };
-
-
-	    behavior.off = function(selection) {
-	        selection.on(_pointerPrefix + 'down.lasso', null);
-	    };
-
-
-	    return behavior;
-	}
-
-	function modeBrowse(context) {
-	    var mode = {
-	        button: 'browse',
-	        id: 'browse',
-	        title: _t('modes.browse.title'),
-	        description: _t('modes.browse.description')
-	    };
-	    var sidebar;
-
-	    var _selectBehavior;
-	    var _behaviors = [];
-
-
-	    mode.selectBehavior = function(val) {
-	        if (!arguments.length) return _selectBehavior;
-	        _selectBehavior = val;
-	        return mode;
-	    };
-
-
-	    mode.enter = function() {
-	        if (!_behaviors.length) {
-	            if (!_selectBehavior) _selectBehavior = behaviorSelect(context);
-	            _behaviors = [
-	                behaviorPaste(context),
-	                behaviorHover(context).on('hover', context.ui().sidebar.hover),
-	                _selectBehavior,
-	                behaviorLasso(context),
-	                modeDragNode(context).behavior,
-	                modeDragNote(context).behavior
-	            ];
-	        }
-	        _behaviors.forEach(context.install);
-
-	        // Get focus on the body.
-	        if (document.activeElement && document.activeElement.blur) {
-	            document.activeElement.blur();
-	        }
-
-	        if (sidebar) {
-	            context.ui().sidebar.show(sidebar);
-	        } else {
-	            context.ui().sidebar.select(null);
-	        }
-	    };
-
-
-	    mode.exit = function() {
-	        context.ui().sidebar.hover.cancel();
-	        _behaviors.forEach(context.uninstall);
-
-	        if (sidebar) {
-	            context.ui().sidebar.hide();
-	        }
-	    };
-
-
-	    mode.sidebar = function(_) {
-	        if (!arguments.length) return sidebar;
-	        sidebar = _;
-	        return mode;
-	    };
-
-
-	    mode.operations = function() {
-	        return [operationPaste(context)];
-	    };
-
-
-	    return mode;
-	}
-
-	function behaviorAddWay(context) {
-	    var dispatch$1 = dispatch('start', 'startFromWay', 'startFromNode');
-	    var draw = behaviorDraw(context);
-
-	    function behavior(surface) {
-	        draw.on('click', function() { dispatch$1.apply('start', this, arguments); })
-	            .on('clickWay', function() { dispatch$1.apply('startFromWay', this, arguments); })
-	            .on('clickNode', function() { dispatch$1.apply('startFromNode', this, arguments); })
-	            .on('cancel', behavior.cancel)
-	            .on('finish', behavior.cancel);
-
-	        context.map()
-	            .dblclickZoomEnable(false);
-
-	        surface.call(draw);
-	    }
-
-
-	    behavior.off = function(surface) {
-	        surface.call(draw.off);
-	    };
-
-
-	    behavior.cancel = function() {
-	        window.setTimeout(function() {
-	            context.map().dblclickZoomEnable(true);
-	        }, 1000);
-
-	        context.enter(modeBrowse(context));
-	    };
-
-
-	    return utilRebind(behavior, dispatch$1, 'on');
-	}
-
-	function behaviorHash(context) {
-
-	    // cached window.location.hash
-	    var _cachedHash = null;
-	    // allowable latitude range
-	    var _latitudeLimit = 90 - 1e-8;
-
-	    function computedHashParameters() {
-	        var map = context.map();
-	        var center = map.center();
-	        var zoom = map.zoom();
-	        var precision = Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));
-	        var oldParams = utilObjectOmit(utilStringQs(window.location.hash),
-	            ['comment', 'source', 'hashtags', 'walkthrough']
-	        );
-	        var newParams = {};
-
-	        delete oldParams.id;
-	        var selected = context.selectedIDs().filter(function(id) {
-	            return context.hasEntity(id);
-	        });
-	        if (selected.length) {
-	            newParams.id = selected.join(',');
-	        }
-
-	        newParams.map = zoom.toFixed(2) +
-	            '/' + center[1].toFixed(precision) +
-	            '/' + center[0].toFixed(precision);
-
-	        return Object.assign(oldParams, newParams);
-	    }
-
-	    function computedHash() {
-	        return '#' + utilQsString(computedHashParameters(), true);
-	    }
-
-	    function computedTitle(includeChangeCount) {
-
-	        var baseTitle = context.documentTitleBase() || 'iD';
-	        var contextual;
-	        var changeCount;
-	        var titleID;
-
-	        var selected = context.selectedIDs().filter(function(id) {
-	            return context.hasEntity(id);
-	        });
-	        if (selected.length) {
-	            var firstLabel = utilDisplayLabel(context.entity(selected[0]), context.graph());
-	            if (selected.length > 1 ) {
-	                contextual = _t('title.labeled_and_more', {
-	                    labeled: firstLabel,
-	                    count: (selected.length - 1).toString()
-	                });
-	            } else {
-	                contextual = firstLabel;
-	            }
-	            titleID = 'context';
-	        }
-
-	        if (includeChangeCount) {
-	            changeCount = context.history().difference().summary().length;
-	            if (changeCount > 0) {
-	                titleID = contextual ? 'changes_context' : 'changes';
-	            }
-	        }
-
-	        if (titleID) {
-	            return _t('title.format.' + titleID, {
-	                changes: changeCount,
-	                base: baseTitle,
-	                context: contextual
-	            });
-	        }
-
-	        return baseTitle;
-	    }
-
-	    function updateTitle(includeChangeCount) {
-	        if (!context.setsDocumentTitle()) return;
-
-	        var newTitle = computedTitle(includeChangeCount);
-	        if (document.title !== newTitle) {
-	            document.title = newTitle;
-	        }
-	    }
-
-	    function updateHashIfNeeded() {
-	        if (context.inIntro()) return;
-
-	        var latestHash = computedHash();
-	        if (_cachedHash !== latestHash) {
-	            _cachedHash = latestHash;
-
-	            // Update the URL hash without affecting the browser navigation stack,
-	            // though unavoidably creating a browser history entry
-	            window.history.replaceState(null, computedTitle(false /* includeChangeCount */), latestHash);
-
-	            // set the title we want displayed for the browser tab/window
-	            updateTitle(true /* includeChangeCount */);
-	        }
-	    }
-
-	    var _throttledUpdate = throttle(updateHashIfNeeded, 500);
-	    var _throttledUpdateTitle = throttle(function() {
-	        updateTitle(true /* includeChangeCount */);
-	    }, 500);
-
-	    function hashchange() {
-
-	        // ignore spurious hashchange events
-	        if (window.location.hash === _cachedHash) return;
-
-	        _cachedHash = window.location.hash;
-
-	        var q = utilStringQs(_cachedHash);
-	        var mapArgs = (q.map || '').split('/').map(Number);
-
-	        if (mapArgs.length < 3 || mapArgs.some(isNaN)) {
-	            // replace bogus hash
-	            updateHashIfNeeded();
-
-	        } else {
-	            // don't update if the new hash already reflects the state of iD
-	            if (_cachedHash === computedHash()) return;
-
-	            var mode = context.mode();
-
-	            context.map().centerZoom([mapArgs[2], Math.min(_latitudeLimit, Math.max(-_latitudeLimit, mapArgs[1]))], mapArgs[0]);
-
-	            if (q.id) {
-	                var ids = q.id.split(',').filter(function(id) {
-	                    return context.hasEntity(id);
-	                });
-	                var skip = mode && mode.id === 'select' && utilArrayIdentical(mode.selectedIDs(), ids);
-	                if (ids.length && !skip) {
-	                    context.enter(modeSelect(context, ids));
-	                    return;
-	                }
-	            }
-
-	            var center = context.map().center();
-	            var dist = geoSphericalDistance(center, [mapArgs[2], mapArgs[1]]);
-	            var maxdist = 500;
-
-	            // Don't allow the hash location to change too much while drawing
-	            // This can happen if the user accidently hit the back button.  #3996
-	            if (mode && mode.id.match(/^draw/) !== null && dist > maxdist) {
-	                context.enter(modeBrowse(context));
-	                return;
-	            }
-	        }
-	    }
-
-	    function behavior() {
-	        context.map()
-	            .on('move.behaviorHash', _throttledUpdate);
-
-	        context.history()
-	            .on('change.behaviorHash', _throttledUpdateTitle);
-
-	        context
-	            .on('enter.behaviorHash', _throttledUpdate);
-
-	        select(window)
-	            .on('hashchange.behaviorHash', hashchange);
-
-	        if (window.location.hash) {
-	            var q = utilStringQs(window.location.hash);
-
-	            if (q.id) {
-	                //if (!context.history().hasRestorableChanges()) {
-	                    // targeting specific features: download, select, and zoom to them
-	                    context.zoomToEntity(q.id.split(',')[0], !q.map);
-	                //}
-	            }
-
-	            if (q.walkthrough === 'true') {
-	                behavior.startWalkthrough = true;
-	            }
-
-	            if (q.map) {
-	                behavior.hadHash = true;
-	            }
-
-	            hashchange();
-
-	            updateTitle(false);
-	        }
-	    }
-
-	    behavior.off = function() {
-	        _throttledUpdate.cancel();
-	        _throttledUpdateTitle.cancel();
-
-	        context.map()
-	            .on('move.behaviorHash', null);
-
-	        context
-	            .on('enter.behaviorHash', null);
-
-	        select(window)
-	            .on('hashchange.behaviorHash', null);
-
-	        window.location.hash = '';
-	    };
-
-	    return behavior;
-	}
-
-	/*
-	    iD.coreDifference represents the difference between two graphs.
-	    It knows how to calculate the set of entities that were
-	    created, modified, or deleted, and also contains the logic
-	    for recursively extending a difference to the complete set
-	    of entities that will require a redraw, taking into account
-	    child and parent relationships.
-	 */
-	function coreDifference(base, head) {
-	    var _changes = {};
-	    var _didChange = {};  // 'addition', 'deletion', 'geometry', 'properties'
-	    var _diff = {};
-
-	    function checkEntityID(id) {
-	        var h = head.entities[id];
-	        var b = base.entities[id];
-
-	        if (h === b) return;
-	        if (_changes[id]) return;
-
-	        if (!h && b) {
-	            _changes[id] = { base: b, head: h };
-	            _didChange.deletion = true;
-	            return;
-	        }
-	        if (h && !b) {
-	            _changes[id] = { base: b, head: h };
-	            _didChange.addition = true;
-	            return;
-	        }
-
-	        if (h && b) {
-	            if (h.members && b.members && !fastDeepEqual(h.members, b.members)) {
-	                _changes[id] = { base: b, head: h };
-	                _didChange.geometry = true;
-	                _didChange.properties = true;
-	                return;
-	            }
-	            if (h.loc && b.loc && !geoVecEqual(h.loc, b.loc)) {
-	                _changes[id] = { base: b, head: h };
-	                _didChange.geometry = true;
-	            }
-	            if (h.nodes && b.nodes && !fastDeepEqual(h.nodes, b.nodes)) {
-	                _changes[id] = { base: b, head: h };
-	                _didChange.geometry = true;
-	            }
-	            if (h.tags && b.tags && !fastDeepEqual(h.tags, b.tags)) {
-	                _changes[id] = { base: b, head: h };
-	                _didChange.properties = true;
-	            }
-	        }
-	    }
-
-	    function load() {
-	        // HOT CODE: there can be many thousands of downloaded entities, so looping
-	        // through them all can become a performance bottleneck. Optimize by
-	        // resolving duplicates and using a basic `for` loop
-	        var ids = utilArrayUniq(Object.keys(head.entities).concat(Object.keys(base.entities)));
-	        for (var i = 0; i < ids.length; i++) {
-	            checkEntityID(ids[i]);
-	        }
-	    }
-	    load();
-
-
-	    _diff.length = function length() {
-	        return Object.keys(_changes).length;
-	    };
-
-
-	    _diff.changes = function changes() {
-	        return _changes;
-	    };
-
-	    _diff.didChange = _didChange;
-
-
-	    // pass true to include affected relation members
-	    _diff.extantIDs = function extantIDs(includeRelMembers) {
-	        var result = new Set();
-	        Object.keys(_changes).forEach(function(id) {
-	            if (_changes[id].head) {
-	                result.add(id);
-	            }
-
-	            var h = _changes[id].head;
-	            var b = _changes[id].base;
-	            var entity = h || b;
-
-	            if (includeRelMembers && entity.type === 'relation') {
-	                var mh = h ? h.members.map(function(m) { return m.id; }) : [];
-	                var mb = b ? b.members.map(function(m) { return m.id; }) : [];
-	                utilArrayUnion(mh, mb).forEach(function(memberID) {
-	                    if (head.hasEntity(memberID)) {
-	                        result.add(memberID);
-	                    }
-	                });
-	            }
-	        });
-
-	        return Array.from(result);
-	    };
-
-
-	    _diff.modified = function modified() {
-	        var result = [];
-	        Object.values(_changes).forEach(function(change) {
-	            if (change.base && change.head) {
-	                result.push(change.head);
-	            }
-	        });
-	        return result;
-	    };
-
-
-	    _diff.created = function created() {
-	        var result = [];
-	        Object.values(_changes).forEach(function(change) {
-	            if (!change.base && change.head) {
-	                result.push(change.head);
-	            }
-	        });
-	        return result;
-	    };
-
-
-	    _diff.deleted = function deleted() {
-	        var result = [];
-	        Object.values(_changes).forEach(function(change) {
-	            if (change.base && !change.head) {
-	                result.push(change.base);
-	            }
-	        });
-	        return result;
-	    };
-
-
-	    _diff.summary = function summary() {
-	        var relevant = {};
-
-	        var keys = Object.keys(_changes);
-	        for (var i = 0; i < keys.length; i++) {
-	            var change = _changes[keys[i]];
-
-	            if (change.head && change.head.geometry(head) !== 'vertex') {
-	                addEntity(change.head, head, change.base ? 'modified' : 'created');
-
-	            } else if (change.base && change.base.geometry(base) !== 'vertex') {
-	                addEntity(change.base, base, 'deleted');
-
-	            } else if (change.base && change.head) { // modified vertex
-	                var moved    = !fastDeepEqual(change.base.loc,  change.head.loc);
-	                var retagged = !fastDeepEqual(change.base.tags, change.head.tags);
-
-	                if (moved) {
-	                    addParents(change.head);
-	                }
-
-	                if (retagged || (moved && change.head.hasInterestingTags())) {
-	                    addEntity(change.head, head, 'modified');
-	                }
-
-	            } else if (change.head && change.head.hasInterestingTags()) { // created vertex
-	                addEntity(change.head, head, 'created');
-
-	            } else if (change.base && change.base.hasInterestingTags()) { // deleted vertex
-	                addEntity(change.base, base, 'deleted');
-	            }
-	        }
-
-	        return Object.values(relevant);
-
-
-	        function addEntity(entity, graph, changeType) {
-	            relevant[entity.id] = {
-	                entity: entity,
-	                graph: graph,
-	                changeType: changeType
-	            };
-	        }
-
-	        function addParents(entity) {
-	            var parents = head.parentWays(entity);
-	            for (var j = parents.length - 1; j >= 0; j--) {
-	                var parent = parents[j];
-	                if (!(parent.id in relevant)) {
-	                    addEntity(parent, head, 'modified');
-	                }
-	            }
-	        }
-	    };
-
-
-	    // returns complete set of entities that require a redraw
-	    //  (optionally within given `extent`)
-	    _diff.complete = function complete(extent) {
-	        var result = {};
-	        var id, change;
-
-	        for (id in _changes) {
-	            change = _changes[id];
-
-	            var h = change.head;
-	            var b = change.base;
-	            var entity = h || b;
-	            var i;
-
-	            if (extent &&
-	                (!h || !h.intersects(extent, head)) &&
-	                (!b || !b.intersects(extent, base)))
-	                continue;
-
-	            result[id] = h;
-
-	            if (entity.type === 'way') {
-	                var nh = h ? h.nodes : [];
-	                var nb = b ? b.nodes : [];
-	                var diff;
-
-	                diff = utilArrayDifference(nh, nb);
-	                for (i = 0; i < diff.length; i++) {
-	                    result[diff[i]] = head.hasEntity(diff[i]);
-	                }
-
-	                diff = utilArrayDifference(nb, nh);
-	                for (i = 0; i < diff.length; i++) {
-	                    result[diff[i]] = head.hasEntity(diff[i]);
-	                }
-	            }
-
-	            if (entity.type === 'relation' && entity.isMultipolygon()) {
-	                var mh = h ? h.members.map(function(m) { return m.id; }) : [];
-	                var mb = b ? b.members.map(function(m) { return m.id; }) : [];
-	                var ids = utilArrayUnion(mh, mb);
-	                for (i = 0; i < ids.length; i++) {
-	                    var member = head.hasEntity(ids[i]);
-	                    if (!member) continue;   // not downloaded
-	                    if (extent && !member.intersects(extent, head)) continue;   // not visible
-	                    result[ids[i]] = member;
-	                }
-	            }
-
-	            addParents(head.parentWays(entity), result);
-	            addParents(head.parentRelations(entity), result);
-	        }
-
-	        return result;
-
-
-	        function addParents(parents, result) {
-	            for (var i = 0; i < parents.length; i++) {
-	                var parent = parents[i];
-	                if (parent.id in result) continue;
-
-	                result[parent.id] = parent;
-	                addParents(head.parentRelations(parent), result);
-	            }
-	        }
-	    };
-
-
-	    return _diff;
-	}
-
-	function coreTree(head) {
-	    // tree for entities
-	    var _rtree = new RBush();
-	    var _bboxes = {};
-
-	    // maintain a separate tree for granular way segments
-	    var _segmentsRTree = new RBush();
-	    var _segmentsBBoxes = {};
-	    var _segmentsByWayId = {};
-
-	    var tree = {};
-
-
-	    function entityBBox(entity) {
-	        var bbox = entity.extent(head).bbox();
-	        bbox.id = entity.id;
-	        _bboxes[entity.id] = bbox;
-	        return bbox;
-	    }
-
-
-	    function segmentBBox(segment) {
-	        var extent = segment.extent(head);
-	        // extent can be null if the node entites aren't in the graph for some reason
-	        if (!extent) return null;
-
-	        var bbox = extent.bbox();
-	        bbox.segment = segment;
-	        _segmentsBBoxes[segment.id] = bbox;
-	        return bbox;
-	    }
-
-
-	    function removeEntity(entity) {
-	        _rtree.remove(_bboxes[entity.id]);
-	        delete _bboxes[entity.id];
-
-	        if (_segmentsByWayId[entity.id]) {
-	            _segmentsByWayId[entity.id].forEach(function(segment) {
-	                _segmentsRTree.remove(_segmentsBBoxes[segment.id]);
-	                delete _segmentsBBoxes[segment.id];
-	            });
-	            delete _segmentsByWayId[entity.id];
-	        }
-	    }
-
-
-	    function loadEntities(entities) {
-	        _rtree.load(entities.map(entityBBox));
-
-	        var segments = [];
-	        entities.forEach(function(entity) {
-	            if (entity.segments) {
-	                var entitySegments = entity.segments(head);
-	                // cache these to make them easy to remove later
-	                _segmentsByWayId[entity.id] = entitySegments;
-	                segments = segments.concat(entitySegments);
-	            }
-	        });
-	        if (segments.length) _segmentsRTree.load(segments.map(segmentBBox).filter(Boolean));
-	    }
-
-
-	    function updateParents(entity, insertions, memo) {
-	        head.parentWays(entity).forEach(function(way) {
-	            if (_bboxes[way.id]) {
-	                removeEntity(way);
-	                insertions[way.id] = way;
-	            }
-	            updateParents(way, insertions, memo);
-	        });
-
-	        head.parentRelations(entity).forEach(function(relation) {
-	            if (memo[entity.id]) return;
-	            memo[entity.id] = true;
-	            if (_bboxes[relation.id]) {
-	                removeEntity(relation);
-	                insertions[relation.id] = relation;
-	            }
-	            updateParents(relation, insertions, memo);
-	        });
-	    }
-
-
-	    tree.rebase = function(entities, force) {
-	        var insertions = {};
-
-	        for (var i = 0; i < entities.length; i++) {
-	            var entity = entities[i];
-	            if (!entity.visible) continue;
-
-	            if (head.entities.hasOwnProperty(entity.id) || _bboxes[entity.id]) {
-	                if (!force) {
-	                    continue;
-	                } else if (_bboxes[entity.id]) {
-	                    removeEntity(entity);
-	                }
-	            }
-
-	            insertions[entity.id] = entity;
-	            updateParents(entity, insertions, {});
-	        }
-
-	        loadEntities(Object.values(insertions));
-
-	        return tree;
-	    };
-
-
-	    function updateToGraph(graph) {
-	        if (graph === head) return;
-
-	        var diff = coreDifference(head, graph);
-
-	        head = graph;
-
-	        var changed = diff.didChange;
-	        if (!changed.addition && !changed.deletion && !changed.geometry) return;
-
-	        var insertions = {};
-
-	        if (changed.deletion) {
-	            diff.deleted().forEach(function(entity) {
-	                removeEntity(entity);
-	            });
-	        }
-
-	        if (changed.geometry) {
-	            diff.modified().forEach(function(entity) {
-	                removeEntity(entity);
-	                insertions[entity.id] = entity;
-	                updateParents(entity, insertions, {});
-	            });
-	        }
-
-	        if (changed.addition) {
-	            diff.created().forEach(function(entity) {
-	                insertions[entity.id] = entity;
-	            });
-	        }
-
-	        loadEntities(Object.values(insertions));
-	    }
-
-	    // returns an array of entities with bounding boxes overlapping `extent` for the given `graph`
-	    tree.intersects = function(extent, graph) {
-	        updateToGraph(graph);
-	        return _rtree.search(extent.bbox())
-	            .map(function(bbox) { return graph.entity(bbox.id); });
-	    };
-
-	    // returns an array of segment objects with bounding boxes overlapping `extent` for the given `graph`
-	    tree.waySegments = function(extent, graph) {
-	        updateToGraph(graph);
-	        return _segmentsRTree.search(extent.bbox())
-	            .map(function(bbox) { return bbox.segment; });
-	    };
-
-
-	    return tree;
-	}
-
-	function uiModal(selection, blocking) {
-	  let keybinding = utilKeybinding('modal');
-	  let previous = selection.select('div.modal');
-	  let animate = previous.empty();
-
-	  previous.transition()
-	    .duration(200)
-	    .style('opacity', 0)
-	    .remove();
-
-	  let shaded = selection
-	    .append('div')
-	    .attr('class', 'shaded')
-	    .style('opacity', 0);
-
-	  shaded.close = () => {
-	    shaded
-	      .transition()
-	      .duration(200)
-	      .style('opacity',0)
-	      .remove();
-
-	    modal
-	      .transition()
-	      .duration(200)
-	      .style('top','0px');
-
-	    select(document)
-	      .call(keybinding.unbind);
-	  };
-
-
-	  let modal = shaded
-	    .append('div')
-	    .attr('class', 'modal fillL');
-
-	  if (!blocking) {
-	    shaded.on('click.remove-modal', () => {
-	      if (event.target === this) {
-	        shaded.close();
-	      }
-	    });
-
-	    modal
-	      .append('button')
-	      .attr('class', 'close')
-	      .on('click', shaded.close)
-	      .call(svgIcon('#iD-icon-close'));
-
-	    keybinding
-	      .on('⌫', shaded.close)
-	      .on('⎋', shaded.close);
-
-	    select(document)
-	      .call(keybinding);
-	  }
-
-	  modal
-	    .append('div')
-	    .attr('class', 'content');
-
-	  if (animate) {
-	    shaded.transition().style('opacity', 1);
-	  } else {
-	    shaded.style('opacity', 1);
-	  }
-
-	  return shaded;
-	}
-
-	function uiLoading(context) {
-	  let _modalSelection = select(null);
-	  let _message = '';
-	  let _blocking = false;
-
-
-	  let loading = (selection) => {
-	    _modalSelection = uiModal(selection, _blocking);
-
-	    let loadertext = _modalSelection.select('.content')
-	      .classed('loading-modal', true)
-	      .append('div')
-	      .attr('class', 'modal-section fillL');
-
-	    loadertext
-	      .append('img')
-	      .attr('class', 'loader')
-	      .attr('src', context.imagePath('loader-white.gif'));
-
-	    loadertext
-	      .append('h3')
-	      .text(_message);
-
-	    _modalSelection.select('button.close')
-	      .attr('class', 'hide');
-
-	    return loading;
-	  };
-
-
-	  loading.message = function(val) {
-	    if (!arguments.length) return _message;
-	    _message = val;
-	    return loading;
-	  };
-
-
-	  loading.blocking = function(val) {
-	    if (!arguments.length) return _blocking;
-	    _blocking = val;
-	    return loading;
-	  };
-
-
-	  loading.close = () => {
-	    _modalSelection.remove();
-	  };
-
-
-	  loading.isShown = () => {
-	    return _modalSelection && !_modalSelection.empty() && _modalSelection.node().parentNode;
-	  };
-
-
-	  return loading;
-	}
-
-	function coreHistory(context) {
-	    var dispatch$1 = dispatch('change', 'merge', 'restore', 'undone', 'redone');
-	    var lock = utilSessionMutex('lock');
-
-	    // restorable if iD not open in another window/tab and a saved history exists in localStorage
-	    var _hasUnresolvedRestorableChanges = lock.lock() && !!corePreferences(getKey('saved_history'));
-
-	    var duration = 150;
-	    var _imageryUsed = [];
-	    var _photoOverlaysUsed = [];
-	    var _checkpoints = {};
-	    var _pausedGraph;
-	    var _stack;
-	    var _index;
-	    var _tree;
-
-
-	    // internal _act, accepts list of actions and eased time
-	    function _act(actions, t) {
-	        actions = Array.prototype.slice.call(actions);
-
-	        var annotation;
-	        if (typeof actions[actions.length - 1] !== 'function') {
-	            annotation = actions.pop();
-	        }
-
-	        var graph = _stack[_index].graph;
-	        for (var i = 0; i < actions.length; i++) {
-	            graph = actions[i](graph, t);
-	        }
-
-	        return {
-	            graph: graph,
-	            annotation: annotation,
-	            imageryUsed: _imageryUsed,
-	            photoOverlaysUsed: _photoOverlaysUsed,
-	            transform: context.projection.transform(),
-	            selectedIDs: context.selectedIDs()
-	        };
-	    }
-
-
-	    // internal _perform with eased time
-	    function _perform(args, t) {
-	        var previous = _stack[_index].graph;
-	        _stack = _stack.slice(0, _index + 1);
-	        var actionResult = _act(args, t);
-	        _stack.push(actionResult);
-	        _index++;
-	        return change(previous);
-	    }
-
-
-	    // internal _replace with eased time
-	    function _replace(args, t) {
-	        var previous = _stack[_index].graph;
-	        // assert(_index == _stack.length - 1)
-	        var actionResult = _act(args, t);
-	        _stack[_index] = actionResult;
-	        return change(previous);
-	    }
-
-
-	    // internal _overwrite with eased time
-	    function _overwrite(args, t) {
-	        var previous = _stack[_index].graph;
-	        if (_index > 0) {
-	            _index--;
-	            _stack.pop();
-	        }
-	        _stack = _stack.slice(0, _index + 1);
-	        var actionResult = _act(args, t);
-	        _stack.push(actionResult);
-	        _index++;
-	        return change(previous);
-	    }
-
-
-	    // determine difference and dispatch a change event
-	    function change(previous) {
-	        var difference = coreDifference(previous, history.graph());
-	        if (!_pausedGraph) {
-	            dispatch$1.call('change', this, difference);
-	        }
-	        return difference;
-	    }
-
-
-	    // iD uses namespaced keys so multiple installations do not conflict
-	    function getKey(n) {
-	        return 'iD_' + window.location.origin + '_' + n;
-	    }
-
-
-	    var history = {
-
-	        graph: function() {
-	            return _stack[_index].graph;
-	        },
-
-
-	        tree: function() {
-	            return _tree;
-	        },
-
-
-	        base: function() {
-	            return _stack[0].graph;
-	        },
-
-
-	        merge: function(entities/*, extent*/) {
-	            var stack = _stack.map(function(state) { return state.graph; });
-	            _stack[0].graph.rebase(entities, stack, false);
-	            _tree.rebase(entities, false);
-
-	            dispatch$1.call('merge', this, entities);
-	        },
-
-
-	        perform: function() {
-	            // complete any transition already in progress
-	            select(document).interrupt('history.perform');
-
-	            var transitionable = false;
-	            var action0 = arguments[0];
-
-	            if (arguments.length === 1 ||
-	                (arguments.length === 2 && (typeof arguments[1] !== 'function'))) {
-	                transitionable = !!action0.transitionable;
-	            }
-
-	            if (transitionable) {
-	                var origArguments = arguments;
-	                select(document)
-	                    .transition('history.perform')
-	                    .duration(duration)
-	                    .ease(linear$1)
-	                    .tween('history.tween', function() {
-	                        return function(t) {
-	                            if (t < 1) _overwrite([action0], t);
-	                        };
-	                    })
-	                    .on('start', function() {
-	                        _perform([action0], 0);
-	                    })
-	                    .on('end interrupt', function() {
-	                        _overwrite(origArguments, 1);
-	                    });
-
-	            } else {
-	                return _perform(arguments);
-	            }
-	        },
-
-
-	        replace: function() {
-	            select(document).interrupt('history.perform');
-	            return _replace(arguments, 1);
-	        },
-
-
-	        // Same as calling pop and then perform
-	        overwrite: function() {
-	            select(document).interrupt('history.perform');
-	            return _overwrite(arguments, 1);
-	        },
-
-
-	        pop: function(n) {
-	            select(document).interrupt('history.perform');
-
-	            var previous = _stack[_index].graph;
-	            if (isNaN(+n) || +n < 0) {
-	                n = 1;
-	            }
-	            while (n-- > 0 && _index > 0) {
-	                _index--;
-	                _stack.pop();
-	            }
-	            return change(previous);
-	        },
-
-
-	        // Back to the previous annotated state or _index = 0.
-	        undo: function() {
-	            select(document).interrupt('history.perform');
-
-	            var previousStack = _stack[_index];
-	            var previous = previousStack.graph;
-	            while (_index > 0) {
-	                _index--;
-	                if (_stack[_index].annotation) break;
-	            }
-
-	            dispatch$1.call('undone', this, _stack[_index], previousStack);
-	            return change(previous);
-	        },
-
-
-	        // Forward to the next annotated state.
-	        redo: function() {
-	            select(document).interrupt('history.perform');
-
-	            var previousStack = _stack[_index];
-	            var previous = previousStack.graph;
-	            var tryIndex = _index;
-	            while (tryIndex < _stack.length - 1) {
-	                tryIndex++;
-	                if (_stack[tryIndex].annotation) {
-	                    _index = tryIndex;
-	                    dispatch$1.call('redone', this, _stack[_index], previousStack);
-	                    break;
-	                }
-	            }
-
-	            return change(previous);
-	        },
-
-
-	        pauseChangeDispatch: function() {
-	            if (!_pausedGraph) {
-	                _pausedGraph = _stack[_index].graph;
-	            }
-	        },
-
-
-	        resumeChangeDispatch: function() {
-	            if (_pausedGraph) {
-	                var previous = _pausedGraph;
-	                _pausedGraph = null;
-	                return change(previous);
-	            }
-	        },
-
-
-	        undoAnnotation: function() {
-	            var i = _index;
-	            while (i >= 0) {
-	                if (_stack[i].annotation) return _stack[i].annotation;
-	                i--;
-	            }
-	        },
-
-
-	        redoAnnotation: function() {
-	            var i = _index + 1;
-	            while (i <= _stack.length - 1) {
-	                if (_stack[i].annotation) return _stack[i].annotation;
-	                i++;
-	            }
-	        },
-
-
-	        // Returns the entities from the active graph with bounding boxes
-	        // overlapping the given `extent`.
-	        intersects: function(extent) {
-	            return _tree.intersects(extent, _stack[_index].graph);
-	        },
-
-
-	        difference: function() {
-	            var base = _stack[0].graph;
-	            var head = _stack[_index].graph;
-	            return coreDifference(base, head);
-	        },
-
-
-	        changes: function(action) {
-	            var base = _stack[0].graph;
-	            var head = _stack[_index].graph;
-
-	            if (action) {
-	                head = action(head);
-	            }
-
-	            var difference = coreDifference(base, head);
-
-	            return {
-	                modified: difference.modified(),
-	                created: difference.created(),
-	                deleted: difference.deleted()
-	            };
-	        },
-
-
-	        hasChanges: function() {
-	            return this.difference().length() > 0;
-	        },
-
-
-	        imageryUsed: function(sources) {
-	            if (sources) {
-	                _imageryUsed = sources;
-	                return history;
-	            } else {
-	                var s = new Set();
-	                _stack.slice(1, _index + 1).forEach(function(state) {
-	                    state.imageryUsed.forEach(function(source) {
-	                        if (source !== 'Custom') {
-	                            s.add(source);
-	                        }
-	                    });
-	                });
-	                return Array.from(s);
-	            }
-	        },
-
-
-	        photoOverlaysUsed: function(sources) {
-	            if (sources) {
-	                _photoOverlaysUsed = sources;
-	                return history;
-	            } else {
-	                var s = new Set();
-	                _stack.slice(1, _index + 1).forEach(function(state) {
-	                    if (state.photoOverlaysUsed && Array.isArray(state.photoOverlaysUsed)) {
-	                        state.photoOverlaysUsed.forEach(function(photoOverlay) {
-	                            s.add(photoOverlay);
-	                        });
-	                    }
-	                });
-	                return Array.from(s);
-	            }
-	        },
-
-
-	        // save the current history state
-	        checkpoint: function(key) {
-	            _checkpoints[key] = {
-	                stack: _stack,
-	                index: _index
-	            };
-	            return history;
-	        },
-
-
-	        // restore history state to a given checkpoint or reset completely
-	        reset: function(key) {
-	            if (key !== undefined && _checkpoints.hasOwnProperty(key)) {
-	                _stack = _checkpoints[key].stack;
-	                _index = _checkpoints[key].index;
-	            } else {
-	                _stack = [{graph: coreGraph()}];
-	                _index = 0;
-	                _tree = coreTree(_stack[0].graph);
-	                _checkpoints = {};
-	            }
-	            dispatch$1.call('change');
-	            return history;
-	        },
-
-
-	        // `toIntroGraph()` is used to export the intro graph used by the walkthrough.
-	        //
-	        // To use it:
-	        //  1. Start the walkthrough.
-	        //  2. Get to a "free editing" tutorial step
-	        //  3. Make your edits to the walkthrough map
-	        //  4. In your browser dev console run:
-	        //        `id.history().toIntroGraph()`
-	        //  5. This outputs stringified JSON to the browser console
-	        //  6. Copy it to `data/intro_graph.json` and prettify it in your code editor
-	        toIntroGraph: function() {
-	            var nextID = { n: 0, r: 0, w: 0 };
-	            var permIDs = {};
-	            var graph = this.graph();
-	            var baseEntities = {};
-
-	            // clone base entities..
-	            Object.values(graph.base().entities).forEach(function(entity) {
-	                var copy = copyIntroEntity(entity);
-	                baseEntities[copy.id] = copy;
-	            });
-
-	            // replace base entities with head entities..
-	            Object.keys(graph.entities).forEach(function(id) {
-	                var entity = graph.entities[id];
-	                if (entity) {
-	                    var copy = copyIntroEntity(entity);
-	                    baseEntities[copy.id] = copy;
-	                } else {
-	                    delete baseEntities[id];
-	                }
-	            });
-
-	            // swap temporary for permanent ids..
-	            Object.values(baseEntities).forEach(function(entity) {
-	                if (Array.isArray(entity.nodes)) {
-	                    entity.nodes = entity.nodes.map(function(node) {
-	                        return permIDs[node] || node;
-	                    });
-	                }
-	                if (Array.isArray(entity.members)) {
-	                    entity.members = entity.members.map(function(member) {
-	                        member.id = permIDs[member.id] || member.id;
-	                        return member;
-	                    });
-	                }
-	            });
-
-	            return JSON.stringify({ dataIntroGraph: baseEntities });
-
-
-	            function copyIntroEntity(source) {
-	                var copy = utilObjectOmit(source, ['type', 'user', 'v', 'version', 'visible']);
-
-	                // Note: the copy is no longer an osmEntity, so it might not have `tags`
-	                if (copy.tags && !Object.keys(copy.tags)) {
-	                    delete copy.tags;
-	                }
-
-	                if (Array.isArray(copy.loc)) {
-	                    copy.loc[0] = +copy.loc[0].toFixed(6);
-	                    copy.loc[1] = +copy.loc[1].toFixed(6);
-	                }
-
-	                var match = source.id.match(/([nrw])-\d*/);  // temporary id
-	                if (match !== null) {
-	                    var nrw = match[1];
-	                    var permID;
-	                    do { permID = nrw + (++nextID[nrw]); }
-	                    while (baseEntities.hasOwnProperty(permID));
-
-	                    copy.id = permIDs[source.id] = permID;
-	                }
-	                return copy;
-	            }
-	        },
-
-
-	        toJSON: function() {
-	            if (!this.hasChanges()) return;
-
-	            var allEntities = {};
-	            var baseEntities = {};
-	            var base = _stack[0];
-
-	            var s = _stack.map(function(i) {
-	                var modified = [];
-	                var deleted = [];
-
-	                Object.keys(i.graph.entities).forEach(function(id) {
-	                    var entity = i.graph.entities[id];
-	                    if (entity) {
-	                        var key = osmEntity.key(entity);
-	                        allEntities[key] = entity;
-	                        modified.push(key);
-	                    } else {
-	                        deleted.push(id);
-	                    }
-
-	                    // make sure that the originals of changed or deleted entities get merged
-	                    // into the base of the _stack after restoring the data from JSON.
-	                    if (id in base.graph.entities) {
-	                        baseEntities[id] = base.graph.entities[id];
-	                    }
-	                    if (entity && entity.nodes) {
-	                        // get originals of pre-existing child nodes
-	                        entity.nodes.forEach(function(nodeID) {
-	                            if (nodeID in base.graph.entities) {
-	                                baseEntities[nodeID] = base.graph.entities[nodeID];
-	                            }
-	                        });
-	                    }
-	                    // get originals of parent entities too
-	                    var baseParents = base.graph._parentWays[id];
-	                    if (baseParents) {
-	                        baseParents.forEach(function(parentID) {
-	                            if (parentID in base.graph.entities) {
-	                                baseEntities[parentID] = base.graph.entities[parentID];
-	                            }
-	                        });
-	                    }
-	                });
-
-	                var x = {};
-
-	                if (modified.length) x.modified = modified;
-	                if (deleted.length) x.deleted = deleted;
-	                if (i.imageryUsed) x.imageryUsed = i.imageryUsed;
-	                if (i.photoOverlaysUsed) x.photoOverlaysUsed = i.photoOverlaysUsed;
-	                if (i.annotation) x.annotation = i.annotation;
-	                if (i.transform) x.transform = i.transform;
-	                if (i.selectedIDs) x.selectedIDs = i.selectedIDs;
-
-	                return x;
-	            });
-
-	            return JSON.stringify({
-	                version: 3,
-	                entities: Object.values(allEntities),
-	                baseEntities: Object.values(baseEntities),
-	                stack: s,
-	                nextIDs: osmEntity.id.next,
-	                index: _index,
-	                // note the time the changes were saved
-	                timestamp: (new Date()).getTime()
-	            });
-	        },
-
-
-	        fromJSON: function(json, loadChildNodes) {
-	            var h = JSON.parse(json);
-	            var loadComplete = true;
-
-	            osmEntity.id.next = h.nextIDs;
-	            _index = h.index;
-
-	            if (h.version === 2 || h.version === 3) {
-	                var allEntities = {};
-
-	                h.entities.forEach(function(entity) {
-	                    allEntities[osmEntity.key(entity)] = osmEntity(entity);
-	                });
-
-	                if (h.version === 3) {
-	                    // This merges originals for changed entities into the base of
-	                    // the _stack even if the current _stack doesn't have them (for
-	                    // example when iD has been restarted in a different region)
-	                    var baseEntities = h.baseEntities.map(function(d) { return osmEntity(d); });
-	                    var stack = _stack.map(function(state) { return state.graph; });
-	                    _stack[0].graph.rebase(baseEntities, stack, true);
-	                    _tree.rebase(baseEntities, true);
-
-	                    // When we restore a modified way, we also need to fetch any missing
-	                    // childnodes that would normally have been downloaded with it.. #2142
-	                    if (loadChildNodes) {
-	                        var osm = context.connection();
-	                        var baseWays = baseEntities
-	                            .filter(function(e) { return e.type === 'way'; });
-	                        var nodeIDs = baseWays
-	                            .reduce(function(acc, way) { return utilArrayUnion(acc, way.nodes); }, []);
-	                        var missing = nodeIDs
-	                            .filter(function(n) { return !_stack[0].graph.hasEntity(n); });
-
-	                        if (missing.length && osm) {
-	                            loadComplete = false;
-	                            context.map().redrawEnable(false);
-
-	                            var loading = uiLoading(context).blocking(true);
-	                            context.container().call(loading);
-
-	                            var childNodesLoaded = function(err, result) {
-	                                if (!err) {
-	                                    var visibleGroups = utilArrayGroupBy(result.data, 'visible');
-	                                    var visibles = visibleGroups.true || [];      // alive nodes
-	                                    var invisibles = visibleGroups.false || [];   // deleted nodes
-
-	                                    if (visibles.length) {
-	                                        var visibleIDs = visibles.map(function(entity) { return entity.id; });
-	                                        var stack = _stack.map(function(state) { return state.graph; });
-	                                        missing = utilArrayDifference(missing, visibleIDs);
-	                                        _stack[0].graph.rebase(visibles, stack, true);
-	                                        _tree.rebase(visibles, true);
-	                                    }
-
-	                                    // fetch older versions of nodes that were deleted..
-	                                    invisibles.forEach(function(entity) {
-	                                        osm.loadEntityVersion(entity.id, +entity.version - 1, childNodesLoaded);
-	                                    });
-	                                }
-
-	                                if (err || !missing.length) {
-	                                    loading.close();
-	                                    context.map().redrawEnable(true);
-	                                    dispatch$1.call('change');
-	                                    dispatch$1.call('restore', this);
-	                                }
-	                            };
-
-	                            osm.loadMultiple(missing, childNodesLoaded);
-	                        }
-	                    }
-	                }
-
-	                _stack = h.stack.map(function(d) {
-	                    var entities = {}, entity;
-
-	                    if (d.modified) {
-	                        d.modified.forEach(function(key) {
-	                            entity = allEntities[key];
-	                            entities[entity.id] = entity;
-	                        });
-	                    }
-
-	                    if (d.deleted) {
-	                        d.deleted.forEach(function(id) {
-	                            entities[id] = undefined;
-	                        });
-	                    }
-
-	                    return {
-	                        graph: coreGraph(_stack[0].graph).load(entities),
-	                        annotation: d.annotation,
-	                        imageryUsed: d.imageryUsed,
-	                        photoOverlaysUsed: d.photoOverlaysUsed,
-	                        transform: d.transform,
-	                        selectedIDs: d.selectedIDs
-	                    };
-	                });
-
-	            } else { // original version
-	                _stack = h.stack.map(function(d) {
-	                    var entities = {};
-
-	                    for (var i in d.entities) {
-	                        var entity = d.entities[i];
-	                        entities[i] = entity === 'undefined' ? undefined : osmEntity(entity);
-	                    }
-
-	                    d.graph = coreGraph(_stack[0].graph).load(entities);
-	                    return d;
-	                });
-	            }
-
-	            var transform = _stack[_index].transform;
-	            if (transform) {
-	                context.map().transformEase(transform, 0);   // 0 = immediate, no easing
-	            }
-
-	            if (loadComplete) {
-	                dispatch$1.call('change');
-	                dispatch$1.call('restore', this);
-	            }
-
-	            return history;
-	        },
-
-
-	        lock: function() {
-	            return lock.lock();
-	        },
-
-
-	        unlock: function() {
-	            lock.unlock();
-	        },
-
-
-	        save: function() {
-	            if (lock.locked() &&
-	                // don't overwrite existing, unresolved changes
-	                !_hasUnresolvedRestorableChanges) {
-
-	                corePreferences(getKey('saved_history'), history.toJSON() || null);
-	            }
-	            return history;
-	        },
-
-
-	        // delete the history version saved in localStorage
-	        clearSaved: function() {
-	            context.debouncedSave.cancel();
-	            if (lock.locked()) {
-	                _hasUnresolvedRestorableChanges = false;
-	                corePreferences(getKey('saved_history'), null);
-
-	                // clear the changeset metadata associated with the saved history
-	                corePreferences('comment', null);
-	                corePreferences('hashtags', null);
-	                corePreferences('source', null);
-	            }
-	            return history;
-	        },
-
-
-	        savedHistoryJSON: function() {
-	            return corePreferences(getKey('saved_history'));
-	        },
-
-
-	        hasRestorableChanges: function() {
-	            return _hasUnresolvedRestorableChanges;
-	        },
-
-
-	        // load history from a version stored in localStorage
-	        restore: function() {
-	            if (lock.locked()) {
-	                _hasUnresolvedRestorableChanges = false;
-	                var json = this.savedHistoryJSON();
-	                if (json) history.fromJSON(json, true);
-	            }
-	        },
-
-
-	        _getKey: getKey
-
-	    };
-
-
-	    history.reset();
-
-	    return utilRebind(history, dispatch$1, 'on');
-	}
-
-	/**
-	 * Look for roads that can be connected to other roads with a short extension
-	 */
-	function validationAlmostJunction(context) {
-	  const type = 'almost_junction';
-	  const EXTEND_TH_METERS = 5;
-	  const WELD_TH_METERS = 0.75;
-	  // Comes from considering bounding case of parallel ways
-	  const CLOSE_NODE_TH = EXTEND_TH_METERS - WELD_TH_METERS;
-	  // Comes from considering bounding case of perpendicular ways
-	  const SIG_ANGLE_TH = Math.atan(WELD_TH_METERS / EXTEND_TH_METERS);
-
-	  function isHighway(entity) {
-	    return entity.type === 'way'
-	      && osmRoutableHighwayTagValues[entity.tags.highway];
-	  }
-
-	  function isTaggedAsNotContinuing(node) {
-	    return node.tags.noexit === 'yes'
-	      || node.tags.amenity === 'parking_entrance'
-	      || (node.tags.entrance && node.tags.entrance !== 'no');
-	  }
-
-
-	  const validation = function checkAlmostJunction(entity, graph) {
-	    if (!isHighway(entity)) return [];
-	    if (entity.isDegenerate()) return [];
-
-	    const tree = context.history().tree();
-	    const extendableNodeInfos = findConnectableEndNodesByExtension(entity);
-
-	    let issues = [];
-
-	    extendableNodeInfos.forEach(extendableNodeInfo => {
-	      issues.push(new validationIssue({
-	        type,
-	        subtype: 'highway-highway',
-	        severity: 'warning',
-	        message(context) {
-	          const entity1 = context.hasEntity(this.entityIds[0]);
-	          if (this.entityIds[0] === this.entityIds[2]) {
-	            return entity1 ? _t('issues.almost_junction.self.message', {
-	              feature: utilDisplayLabel(entity1, context.graph())
-	            }) : '';
-	          } else {
-	            const entity2 = context.hasEntity(this.entityIds[2]);
-	            return (entity1 && entity2) ? _t('issues.almost_junction.message', {
-	              feature: utilDisplayLabel(entity1, context.graph()),
-	              feature2: utilDisplayLabel(entity2, context.graph())
-	            }) : '';
-	          }
-	        },
-	        reference: showReference,
-	        entityIds: [
-	          entity.id,
-	          extendableNodeInfo.node.id,
-	          extendableNodeInfo.wid,
-	        ],
-	        loc: extendableNodeInfo.node.loc,
-	        hash: JSON.stringify(extendableNodeInfo.node.loc),
-	        data: {
-	          midId: extendableNodeInfo.mid.id,
-	          edge: extendableNodeInfo.edge,
-	          cross_loc: extendableNodeInfo.cross_loc
-	        },
-	        dynamicFixes: makeFixes
-	      }));
-	    });
-
-	    return issues;
-
-	    function makeFixes(context) {
-	      let fixes = [new validationIssueFix({
-	        icon: 'iD-icon-abutment',
-	        title: _t('issues.fix.connect_features.title'),
-	        onClick(context) {
-	          const annotation = _t('issues.fix.connect_almost_junction.annotation');
-	          const [, endNodeId, crossWayId] = this.issue.entityIds;
-	          const midNode = context.entity(this.issue.data.midId);
-	          const endNode = context.entity(endNodeId);
-	          const crossWay = context.entity(crossWayId);
-
-	          // When endpoints are close, just join if resulting small change in angle (#7201)
-	          const nearEndNodes = findNearbyEndNodes(endNode, crossWay);
-	          if (nearEndNodes.length > 0) {
-	            const collinear = findSmallJoinAngle(midNode, endNode, nearEndNodes);
-	            if (collinear) {
-	              context.perform(
-	                actionMergeNodes([collinear.id, endNode.id], collinear.loc),
-	                annotation
-	              );
-	              return;
-	            }
-	          }
-
-	          const targetEdge = this.issue.data.edge;
-	          const crossLoc = this.issue.data.cross_loc;
-	          const edgeNodes = [context.entity(targetEdge[0]), context.entity(targetEdge[1])];
-	          const closestNodeInfo = geoSphericalClosestNode(edgeNodes, crossLoc);
-
-	          // already a point nearby, just connect to that
-	          if (closestNodeInfo.distance < WELD_TH_METERS) {
-	            context.perform(
-	              actionMergeNodes([closestNodeInfo.node.id, endNode.id], closestNodeInfo.node.loc),
-	              annotation
-	            );
-	          // else add the end node to the edge way
-	          } else {
-	            context.perform(
-	              actionAddMidpoint({loc: crossLoc, edge: targetEdge}, endNode),
-	              annotation
-	            );
-	          }
-	        }
-	      })];
-
-	      const node = context.hasEntity(this.entityIds[1]);
-	      if (node && !node.hasInterestingTags()) {
-	        // node has no descriptive tags, suggest noexit fix
-	        fixes.push(new validationIssueFix({
-	          icon: 'maki-barrier',
-	          title: _t('issues.fix.tag_as_disconnected.title'),
-	          onClick(context) {
-	            const nodeID = this.issue.entityIds[1];
-	            const tags = Object.assign({}, context.entity(nodeID).tags);
-	            tags.noexit = 'yes';
-	            context.perform(
-	              actionChangeTags(nodeID, tags),
-	              _t('issues.fix.tag_as_disconnected.annotation')
-	            );
-	          }
-	        }));
-	      }
-
-	      return fixes;
-	    }
-
-	    function showReference(selection) {
-	      selection.selectAll('.issue-reference')
-	        .data([0])
-	        .enter()
-	        .append('div')
-	        .attr('class', 'issue-reference')
-	        .text(_t('issues.almost_junction.highway-highway.reference'));
-	    }
-
-	    function isExtendableCandidate(node, way) {
-	      // can not accurately test vertices on tiles not downloaded from osm - #5938
-	      const osm = services.osm;
-	      if (osm && !osm.isDataLoaded(node.loc)) {
-	        return false;
-	      }
-	      if (isTaggedAsNotContinuing(node) || graph.parentWays(node).length !== 1) {
-	        return false;
-	      }
-
-	      let occurences = 0;
-	      for (const index in way.nodes) {
-	        if (way.nodes[index] === node.id) {
-	          occurences += 1;
-	          if (occurences > 1) {
-	            return false;
-	          }
-	        }
-	      }
-	      return true;
-	    }
-
-	    function findConnectableEndNodesByExtension(way) {
-	      let results = [];
-	      if (way.isClosed()) return results;
-
-	      let testNodes;
-	      const indices = [0, way.nodes.length - 1];
-	      indices.forEach(nodeIndex => {
-	        const nodeID = way.nodes[nodeIndex];
-	        const node = graph.entity(nodeID);
-
-	        if (!isExtendableCandidate(node, way)) return;
-
-	        const connectionInfo = canConnectByExtend(way, nodeIndex);
-	        if (!connectionInfo) return;
-
-	        testNodes = graph.childNodes(way).slice();   // shallow copy
-	        testNodes[nodeIndex] = testNodes[nodeIndex].move(connectionInfo.cross_loc);
-
-	        // don't flag issue if connecting the ways would cause self-intersection
-	        if (geoHasSelfIntersections(testNodes, nodeID)) return;
-
-	        results.push(connectionInfo);
-	      });
-
-	      return results;
-	    }
-
-	    function findNearbyEndNodes(node, way) {
-	      return [
-	        way.nodes[0],
-	        way.nodes[way.nodes.length - 1]
-	      ].map(d => graph.entity(d))
-	      .filter(d => {
-	        // Node cannot be near to itself, but other endnode of same way could be
-	        return d.id !== node.id
-	          && geoSphericalDistance(node.loc, d.loc) <= CLOSE_NODE_TH;
-	      });
-	    }
-
-	    function findSmallJoinAngle(midNode, tipNode, endNodes) {
-	      // Both nodes could be close, so want to join whichever is closest to collinear
-	      let joinTo;
-	      let minAngle = Infinity;
-
-	      // Checks midNode -> tipNode -> endNode for collinearity
-	      endNodes.forEach(endNode => {
-	        const a1 = geoAngle(midNode, tipNode, context.projection) + Math.PI;
-	        const a2 = geoAngle(midNode, endNode, context.projection) + Math.PI;
-	        const diff = Math.max(a1, a2) - Math.min(a1, a2);
-
-	        if (diff < minAngle) {
-	          joinTo = endNode;
-	          minAngle = diff;
-	        }
-	      });
-
-	      /* Threshold set by considering right angle triangle
-	      based on node joining threshold and extension distance */
-	      if (minAngle <= SIG_ANGLE_TH) return joinTo;
-
-	      return null;
-	    }
-
-	    function hasTag(tags, key) {
-	      return tags[key] !== undefined && tags[key] !== 'no';
-	    }
-
-	    function canConnectWays(way, way2) {
-
-	      // allow self-connections
-	      if (way.id === way2.id) return true;
-
-	      // if one is bridge or tunnel, both must be bridge or tunnel
-	      if ((hasTag(way.tags, 'bridge') || hasTag(way2.tags, 'bridge')) &&
-	        !(hasTag(way.tags, 'bridge') && hasTag(way2.tags, 'bridge'))) return false;
-	      if ((hasTag(way.tags, 'tunnel') || hasTag(way2.tags, 'tunnel')) &&
-	        !(hasTag(way.tags, 'tunnel') && hasTag(way2.tags, 'tunnel'))) return false;
-
-	      // must have equivalent layers and levels
-	      const layer1 = way.tags.layer || '0',
-	        layer2 = way2.tags.layer || '0';
-	      if (layer1 !== layer2) return false;
-
-	      const level1 = way.tags.level || '0',
-	        level2 = way2.tags.level || '0';
-	      if (level1 !== level2) return false;
-
-	      return true;
-	    }
-
-	    function canConnectByExtend(way, endNodeIdx) {
-	      const tipNid = way.nodes[endNodeIdx];  // the 'tip' node for extension point
-	      const midNid = endNodeIdx === 0 ? way.nodes[1] : way.nodes[way.nodes.length - 2];  // the other node of the edge
-	      const tipNode = graph.entity(tipNid);
-	      const midNode = graph.entity(midNid);
-	      const lon = tipNode.loc[0];
-	      const lat = tipNode.loc[1];
-	      const lon_range = geoMetersToLon(EXTEND_TH_METERS, lat) / 2;
-	      const lat_range = geoMetersToLat(EXTEND_TH_METERS) / 2;
-	      const queryExtent = geoExtent([
-	        [lon - lon_range, lat - lat_range],
-	        [lon + lon_range, lat + lat_range]
-	      ]);
-
-	      // first, extend the edge of [midNode -> tipNode] by EXTEND_TH_METERS and find the "extended tip" location
-	      const edgeLen = geoSphericalDistance(midNode.loc, tipNode.loc);
-	      const t = EXTEND_TH_METERS / edgeLen + 1.0;
-	      const extTipLoc = geoVecInterp(midNode.loc, tipNode.loc, t);
-
-	      // then, check if the extension part [tipNode.loc -> extTipLoc] intersects any other ways
-	      const segmentInfos = tree.waySegments(queryExtent, graph);
-	      for (let i = 0; i < segmentInfos.length; i++) {
-	        let segmentInfo = segmentInfos[i];
-
-	        let way2 = graph.entity(segmentInfo.wayId);
-
-	        if (!isHighway(way2)) continue;
-
-	        if (!canConnectWays(way, way2)) continue;
-
-	        let nAid = segmentInfo.nodes[0],
-	          nBid = segmentInfo.nodes[1];
-
-	        if (nAid === tipNid || nBid === tipNid) continue;
-
-	        let nA = graph.entity(nAid),
-	          nB = graph.entity(nBid);
-	        let crossLoc = geoLineIntersection([tipNode.loc, extTipLoc], [nA.loc, nB.loc]);
-	        if (crossLoc) {
-	          return {
-	            mid: midNode,
-	            node: tipNode,
-	            wid: way2.id,
-	            edge: [nA.id, nB.id],
-	            cross_loc: crossLoc
-	          };
-	        }
-	      }
-	      return null;
-	    }
-	  };
-
-	  validation.type = type;
-
-	  return validation;
-	}
-
-	function validationCloseNodes(context) {
-	    var type = 'close_nodes';
-
-	    var pointThresholdMeters = 0.2;
-
-	    var validation = function(entity, graph) {
-	        if (entity.type === 'node') {
-	            return getIssuesForNode(entity);
-	        } else if (entity.type === 'way') {
-	            return getIssuesForWay(entity);
-	        }
-	        return [];
-
-	        function getIssuesForNode(node) {
-	            var parentWays = graph.parentWays(node);
-	            if (parentWays.length) {
-	                return getIssuesForVertex(node, parentWays);
-	            } else {
-	                return getIssuesForDetachedPoint(node);
-	            }
-	        }
-
-	        function wayTypeFor(way) {
-
-	            if (way.tags.boundary && way.tags.boundary !== 'no') return 'boundary';
-	            if (way.tags.indoor && way.tags.indoor !== 'no') return 'indoor';
-	            if ((way.tags.building && way.tags.building !== 'no') ||
-	                (way.tags['building:part'] && way.tags['building:part'] !== 'no')) return 'building';
-	            if (osmPathHighwayTagValues[way.tags.highway]) return 'path';
-
-	            var parentRelations = graph.parentRelations(way);
-	            for (var i in parentRelations) {
-	                var relation = parentRelations[i];
-
-	                if (relation.tags.type === 'boundary') return 'boundary';
-
-	                if (relation.isMultipolygon()) {
-	                    if (relation.tags.indoor && relation.tags.indoor !== 'no') return 'indoor';
-	                    if ((relation.tags.building && relation.tags.building !== 'no') ||
-	                        (relation.tags['building:part'] && relation.tags['building:part'] !== 'no')) return 'building';
-	                }
-	            }
-
-	            return 'other';
-	        }
-
-	        function shouldCheckWay(way) {
-
-	            // don't flag issues where merging would create degenerate ways
-	            if (way.nodes.length <= 2 ||
-	                (way.isClosed() && way.nodes.length <= 4)) return false;
-
-	            var bbox = way.extent(graph).bbox();
-	            var hypotenuseMeters = geoSphericalDistance([bbox.minX, bbox.minY], [bbox.maxX, bbox.maxY]);
-	            // don't flag close nodes in very small ways
-	            if (hypotenuseMeters < 1.5) return false;
-
-	            return true;
-	        }
-
-	        function getIssuesForWay(way) {
-	            if (!shouldCheckWay(way)) return [];
-
-	            var issues = [],
-	                nodes = graph.childNodes(way);
-	            for (var i = 0; i < nodes.length - 1; i++) {
-	                var node1 = nodes[i];
-	                var node2 = nodes[i+1];
-
-	                var issue = getWayIssueIfAny(node1, node2, way);
-	                if (issue) issues.push(issue);
-	            }
-	            return issues;
-	        }
-
-	        function getIssuesForVertex(node, parentWays) {
-	            var issues = [];
-
-	            function checkForCloseness(node1, node2, way) {
-	                var issue = getWayIssueIfAny(node1, node2, way);
-	                if (issue) issues.push(issue);
-	            }
-
-	            for (var i = 0; i < parentWays.length; i++) {
-	                var parentWay = parentWays[i];
-
-	                if (!shouldCheckWay(parentWay)) continue;
-
-	                var lastIndex = parentWay.nodes.length - 1;
-	                for (var j = 0; j < parentWay.nodes.length; j++) {
-	                    if (j !== 0) {
-	                        if (parentWay.nodes[j-1] === node.id) {
-	                            checkForCloseness(node, graph.entity(parentWay.nodes[j]), parentWay);
-	                        }
-	                    }
-	                    if (j !== lastIndex) {
-	                        if (parentWay.nodes[j+1] === node.id) {
-	                            checkForCloseness(graph.entity(parentWay.nodes[j]), node, parentWay);
-	                        }
-	                    }
-	                }
-	            }
-	            return issues;
-	        }
-
-	        function thresholdMetersForWay(way) {
-	            if (!shouldCheckWay(way)) return 0;
-
-	            var wayType = wayTypeFor(way);
-
-	            // don't flag boundaries since they might be highly detailed and can't be easily verified
-	            if (wayType === 'boundary') return 0;
-	            // expect some features to be mapped with higher levels of detail
-	            if (wayType === 'indoor') return 0.01;
-	            if (wayType === 'building') return 0.05;
-	            if (wayType === 'path') return 0.1;
-	            return 0.2;
-	        }
-
-	        function getIssuesForDetachedPoint(node) {
-
-	            var issues = [];
-
-	            var lon = node.loc[0];
-	            var lat = node.loc[1];
-	            var lon_range = geoMetersToLon(pointThresholdMeters, lat) / 2;
-	            var lat_range = geoMetersToLat(pointThresholdMeters) / 2;
-	            var queryExtent = geoExtent([
-	                [lon - lon_range, lat - lat_range],
-	                [lon + lon_range, lat + lat_range]
-	            ]);
-
-	            var intersected = context.history().tree().intersects(queryExtent, graph);
-	            for (var j = 0; j < intersected.length; j++) {
-	                var nearby = intersected[j];
-
-	                if (nearby.id === node.id) continue;
-	                if (nearby.type !== 'node' || nearby.geometry(graph) !== 'point') continue;
-
-	                if (nearby.loc === node.loc ||
-	                    geoSphericalDistance(node.loc, nearby.loc) < pointThresholdMeters) {
-
-	                    // allow very close points if tags indicate the z-axis might vary
-	                    var zAxisKeys = { layer: true, level: true, 'addr:housenumber': true, 'addr:unit': true };
-	                    var zAxisDifferentiates = false;
-	                    for (var key in zAxisKeys) {
-	                        var nodeValue = node.tags[key] || '0';
-	                        var nearbyValue = nearby.tags[key] || '0';
-	                        if (nodeValue !== nearbyValue) {
-	                            zAxisDifferentiates = true;
-	                            break;
-	                        }
-	                    }
-	                    if (zAxisDifferentiates) continue;
-
-	                    issues.push(new validationIssue({
-	                        type: type,
-	                        subtype: 'detached',
-	                        severity: 'warning',
-	                        message: function(context) {
-	                            var entity = context.hasEntity(this.entityIds[0]),
-	                                entity2 = context.hasEntity(this.entityIds[1]);
-	                            return (entity && entity2) ? _t('issues.close_nodes.detached.message', {
-	                                feature: utilDisplayLabel(entity, context.graph()),
-	                                feature2: utilDisplayLabel(entity2, context.graph())
-	                            }) : '';
-	                        },
-	                        reference: showReference,
-	                        entityIds: [node.id, nearby.id],
-	                        dynamicFixes: function() {
-	                            return [
-	                                new validationIssueFix({
-	                                    icon: 'iD-operation-disconnect',
-	                                    title: _t('issues.fix.move_points_apart.title')
-	                                }),
-	                                new validationIssueFix({
-	                                    icon: 'iD-icon-layers',
-	                                    title: _t('issues.fix.use_different_layers_or_levels.title')
-	                                })
-	                            ];
-	                        }
-	                    }));
-	                }
-	            }
-
-	            return issues;
-
-	            function showReference(selection) {
-	                var referenceText = _t('issues.close_nodes.detached.reference');
-	                selection.selectAll('.issue-reference')
-	                    .data([0])
-	                    .enter()
-	                    .append('div')
-	                    .attr('class', 'issue-reference')
-	                    .text(referenceText);
-	            }
-	        }
-
-	        function getWayIssueIfAny(node1, node2, way) {
-	            if (node1.id === node2.id ||
-	                (node1.hasInterestingTags() && node2.hasInterestingTags())) {
-	                return null;
-	            }
-
-	            if (node1.loc !== node2.loc) {
-	                var parentWays1 = graph.parentWays(node1);
-	                var parentWays2 = new Set(graph.parentWays(node2));
-
-	                var sharedWays = parentWays1.filter(function(parentWay) {
-	                    return parentWays2.has(parentWay);
-	                });
-
-	                var thresholds = sharedWays.map(function(parentWay) {
-	                    return thresholdMetersForWay(parentWay);
-	                });
-
-	                var threshold = Math.min(...thresholds);
-	                var distance = geoSphericalDistance(node1.loc, node2.loc);
-	                if (distance > threshold) return null;
-	            }
-
-	            return new validationIssue({
-	                type: type,
-	                subtype: 'vertices',
-	                severity: 'warning',
-	                message: function(context) {
-	                    var entity = context.hasEntity(this.entityIds[0]);
-	                    return entity ? _t('issues.close_nodes.message', { way: utilDisplayLabel(entity, context.graph()) }) : '';
-	                },
-	                reference: showReference,
-	                entityIds: [way.id, node1.id, node2.id],
-	                loc: node1.loc,
-	                dynamicFixes: function() {
-	                    return [
-	                        new validationIssueFix({
-	                            icon: 'iD-icon-plus',
-	                            title: _t('issues.fix.merge_points.title'),
-	                            onClick: function(context) {
-	                                var entityIds = this.issue.entityIds;
-	                                var action = actionMergeNodes([entityIds[1], entityIds[2]]);
-	                                context.perform(action, _t('issues.fix.merge_close_vertices.annotation'));
-	                            }
-	                        }),
-	                        new validationIssueFix({
-	                            icon: 'iD-operation-disconnect',
-	                            title: _t('issues.fix.move_points_apart.title')
-	                        })
-	                    ];
-	                }
-	            });
-
-	            function showReference(selection) {
-	                var referenceText = _t('issues.close_nodes.reference');
-	                selection.selectAll('.issue-reference')
-	                    .data([0])
-	                    .enter()
-	                    .append('div')
-	                    .attr('class', 'issue-reference')
-	                    .text(referenceText);
-	            }
-	        }
-
-	    };
-
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationCrossingWays(context) {
-	    var type = 'crossing_ways';
-
-	    // returns the way or its parent relation, whichever has a useful feature type
-	    function getFeatureWithFeatureTypeTagsForWay(way, graph) {
-	        if (getFeatureType(way, graph) === null) {
-	            // if the way doesn't match a feature type, check its parent relations
-	            var parentRels = graph.parentRelations(way);
-	            for (var i = 0; i < parentRels.length; i++) {
-	                var rel = parentRels[i];
-	                if (getFeatureType(rel, graph) !== null) {
-	                    return rel;
-	                }
-	            }
-	        }
-	        return way;
-	    }
-
-
-	    function hasTag(tags, key) {
-	        return tags[key] !== undefined && tags[key] !== 'no';
-	    }
-
-	    function taggedAsIndoor(tags) {
-	        return hasTag(tags, 'indoor') ||
-	            hasTag(tags, 'level') ||
-	            tags.highway === 'corridor';
-	    }
-
-	    function allowsBridge(featureType) {
-	        return featureType === 'highway' || featureType === 'railway' || featureType === 'waterway';
-	    }
-	    function allowsTunnel(featureType) {
-	        return featureType === 'highway' || featureType === 'railway' || featureType === 'waterway';
-	    }
-
-
-	    function getFeatureTypeForCrossingCheck(way, graph) {
-	        var feature = getFeatureWithFeatureTypeTagsForWay(way, graph);
-	        return getFeatureType(feature, graph);
-	    }
-
-	    // discard
-	    var ignoredBuildings = {
-	        demolished: true, dismantled: true, proposed: true, razed: true
-	    };
-
-
-	    function getFeatureType(entity, graph) {
-
-	        var geometry = entity.geometry(graph);
-	        if (geometry !== 'line' && geometry !== 'area') return null;
-
-	        var tags = entity.tags;
-
-	        if (hasTag(tags, 'building') && !ignoredBuildings[tags.building]) return 'building';
-	        if (hasTag(tags, 'highway') && osmRoutableHighwayTagValues[tags.highway]) return 'highway';
-
-	        // don't check railway or waterway areas
-	        if (geometry !== 'line') return null;
-
-	        if (hasTag(tags, 'railway') && osmRailwayTrackTagValues[tags.railway]) return 'railway';
-	        if (hasTag(tags, 'waterway') && osmFlowingWaterwayTagValues[tags.waterway]) return 'waterway';
-
-	        return null;
-	    }
-
-
-	    function isLegitCrossing(way1, featureType1, way2, featureType2) {
-	        var tags1 = way1.tags;
-	        var tags2 = way2.tags;
-
-	        // assume 0 by default
-	        var level1 = tags1.level || '0';
-	        var level2 = tags2.level || '0';
-
-	        if (taggedAsIndoor(tags1) && taggedAsIndoor(tags2) && level1 !== level2) {
-	            // assume features don't interact if they're indoor on different levels
-	            return true;
-	        }
-
-	        // assume 0 by default; don't use way.layer() since we account for structures here
-	        var layer1 = tags1.layer || '0';
-	        var layer2 = tags2.layer || '0';
-
-	        if (allowsBridge(featureType1) && allowsBridge(featureType2)) {
-	            if (hasTag(tags1, 'bridge') && !hasTag(tags2, 'bridge')) return true;
-	            if (!hasTag(tags1, 'bridge') && hasTag(tags2, 'bridge')) return true;
-	            // crossing bridges must use different layers
-	            if (hasTag(tags1, 'bridge') && hasTag(tags2, 'bridge') && layer1 !== layer2) return true;
-	        } else if (allowsBridge(featureType1) && hasTag(tags1, 'bridge')) return true;
-	        else if (allowsBridge(featureType2) && hasTag(tags2, 'bridge')) return true;
-
-	        if (allowsTunnel(featureType1) && allowsTunnel(featureType2)) {
-	            if (hasTag(tags1, 'tunnel') && !hasTag(tags2, 'tunnel')) return true;
-	            if (!hasTag(tags1, 'tunnel') && hasTag(tags2, 'tunnel')) return true;
-	            // crossing tunnels must use different layers
-	            if (hasTag(tags1, 'tunnel') && hasTag(tags2, 'tunnel') && layer1 !== layer2) return true;
-	        } else if (allowsTunnel(featureType1) && hasTag(tags1, 'tunnel')) return true;
-	        else if (allowsTunnel(featureType2) && hasTag(tags2, 'tunnel')) return true;
-
-	        // don't flag crossing waterways and pier/highways
-	        if (featureType1 === 'waterway' && featureType2 === 'highway' && tags2.man_made === 'pier') return true;
-	        if (featureType2 === 'waterway' && featureType1 === 'highway' && tags1.man_made === 'pier') return true;
-
-	        if (featureType1 === 'building' || featureType2 === 'building') {
-	            // for building crossings, different layers are enough
-	            if (layer1 !== layer2) return true;
-	        }
-	        return false;
-	    }
-
-
-	    // highway values for which we shouldn't recommend connecting to waterways
-	    var highwaysDisallowingFords = {
-	        motorway: true, motorway_link: true, trunk: true, trunk_link: true,
-	        primary: true, primary_link: true, secondary: true, secondary_link: true
-	    };
-	    var nonCrossingHighways = { track: true };
-
-	    function tagsForConnectionNodeIfAllowed(entity1, entity2, graph) {
-	        var featureType1 = getFeatureType(entity1, graph);
-	        var featureType2 = getFeatureType(entity2, graph);
-
-	        var geometry1 = entity1.geometry(graph);
-	        var geometry2 = entity2.geometry(graph);
-	        var bothLines = geometry1 === 'line' && geometry2 === 'line';
-
-	        if (featureType1 === featureType2) {
-	            if (featureType1 === 'highway') {
-	                var entity1IsPath = osmPathHighwayTagValues[entity1.tags.highway];
-	                var entity2IsPath = osmPathHighwayTagValues[entity2.tags.highway];
-	                if ((entity1IsPath || entity2IsPath) && entity1IsPath !== entity2IsPath) {
-	                    // one feature is a path but not both
-
-	                    var roadFeature = entity1IsPath ? entity2 : entity1;
-	                    if (nonCrossingHighways[roadFeature.tags.highway]) {
-	                        // don't mark path connections with certain roads as crossings
-	                        return {};
-	                    }
-	                    var pathFeature = entity1IsPath ? entity1 : entity2;
-	                    if (['marked', 'unmarked'].indexOf(pathFeature.tags.crossing) !== -1) {
-	                        // if the path is a crossing, match the crossing type
-	                        return bothLines ? { highway: 'crossing', crossing: pathFeature.tags.crossing } : {};
-	                    }
-	                    // don't add a `crossing` subtag to ambiguous crossings
-	                    return bothLines ? { highway: 'crossing' } : {};
-	                }
-	                return {};
-	            }
-	            if (featureType1 === 'waterway') return {};
-	            if (featureType1 === 'railway') return {};
-
-	        } else {
-	            var featureTypes = [featureType1, featureType2];
-	            if (featureTypes.indexOf('highway') !== -1) {
-	                if (featureTypes.indexOf('railway') !== -1) {
-	                    if (osmPathHighwayTagValues[entity1.tags.highway] ||
-	                        osmPathHighwayTagValues[entity2.tags.highway]) {
-	                        // path-rail connections use this tag
-	                        return bothLines ? { railway: 'crossing' } : {};
-	                    } else {
-	                        // road-rail connections use this tag
-	                        return bothLines ? { railway: 'level_crossing' } : {};
-	                    }
-	                }
-
-	                if (featureTypes.indexOf('waterway') !== -1) {
-	                    // do not allow fords on structures
-	                    if (hasTag(entity1.tags, 'tunnel') && hasTag(entity2.tags, 'tunnel')) return null;
-	                    if (hasTag(entity1.tags, 'bridge') && hasTag(entity2.tags, 'bridge')) return null;
-
-	                    if (highwaysDisallowingFords[entity1.tags.highway] ||
-	                        highwaysDisallowingFords[entity2.tags.highway]) {
-	                        // do not allow fords on major highways
-	                        return null;
-	                    }
-	                    return bothLines ? { ford: 'yes' } : {};
-	                }
-	            }
-	        }
-	        return null;
-	    }
-
-
-	    function findCrossingsByWay(way1, graph, tree) {
-	        var edgeCrossInfos = [];
-	        if (way1.type !== 'way') return edgeCrossInfos;
-
-	        var way1FeatureType = getFeatureTypeForCrossingCheck(way1, graph);
-	        if (way1FeatureType === null) return edgeCrossInfos;
-
-	        var checkedSingleCrossingWays = {};
-
-	        // declare vars ahead of time to reduce garbage collection
-	        var i, j;
-	        var extent;
-	        var n1, n2, nA, nB, nAId, nBId;
-	        var segment1, segment2;
-	        var oneOnly;
-	        var segmentInfos, segment2Info, way2, way2FeatureType;
-	        var way1Nodes = graph.childNodes(way1);
-	        var comparedWays = {};
-	        for (i = 0; i < way1Nodes.length - 1; i++) {
-	            n1 = way1Nodes[i];
-	            n2 = way1Nodes[i + 1];
-	            extent = geoExtent([
-	                [
-	                    Math.min(n1.loc[0], n2.loc[0]),
-	                    Math.min(n1.loc[1], n2.loc[1])
-	                ],
-	                [
-	                    Math.max(n1.loc[0], n2.loc[0]),
-	                    Math.max(n1.loc[1], n2.loc[1])
-	                ]
-	            ]);
-
-	            // Optimize by only checking overlapping segments, not every segment
-	            // of overlapping ways
-	            segmentInfos = tree.waySegments(extent, graph);
-
-	            for (j = 0; j < segmentInfos.length; j++) {
-	                segment2Info = segmentInfos[j];
-
-	                // don't check for self-intersection in this validation
-	                if (segment2Info.wayId === way1.id) continue;
-
-	                // skip if this way was already checked and only one issue is needed
-	                if (checkedSingleCrossingWays[segment2Info.wayId]) continue;
-
-	                // mark this way as checked even if there are no crossings
-	                comparedWays[segment2Info.wayId] = true;
-
-	                way2 = graph.hasEntity(segment2Info.wayId);
-	                if (!way2) continue;
-
-	                // only check crossing highway, waterway, building, and railway
-	                way2FeatureType = getFeatureTypeForCrossingCheck(way2, graph);
-	                if (way2FeatureType === null ||
-	                    isLegitCrossing(way1, way1FeatureType, way2, way2FeatureType)) {
-	                    continue;
-	                }
-
-	                // create only one issue for building crossings
-	                oneOnly = way1FeatureType === 'building' || way2FeatureType === 'building';
-
-	                nAId = segment2Info.nodes[0];
-	                nBId = segment2Info.nodes[1];
-	                if (nAId === n1.id || nAId === n2.id ||
-	                    nBId === n1.id || nBId === n2.id) {
-	                    // n1 or n2 is a connection node; skip
-	                    continue;
-	                }
-	                nA = graph.hasEntity(nAId);
-	                if (!nA) continue;
-	                nB = graph.hasEntity(nBId);
-	                if (!nB) continue;
-
-	                segment1 = [n1.loc, n2.loc];
-	                segment2 = [nA.loc, nB.loc];
-	                var point = geoLineIntersection(segment1, segment2);
-	                if (point) {
-	                    edgeCrossInfos.push({
-	                        wayInfos: [
-	                            {
-	                                way: way1,
-	                                featureType: way1FeatureType,
-	                                edge: [n1.id, n2.id]
-	                            },
-	                            {
-	                                way: way2,
-	                                featureType: way2FeatureType,
-	                                edge: [nA.id, nB.id]
-	                            }
-	                        ],
-	                        crossPoint: point
-	                    });
-	                    if (oneOnly) {
-	                        checkedSingleCrossingWays[way2.id] = true;
-	                        break;
-	                    }
-	                }
-	            }
-	        }
-	        return edgeCrossInfos;
-	    }
-
-
-	    function waysToCheck(entity, graph) {
-	        var featureType = getFeatureType(entity, graph);
-	        if (!featureType) return [];
-
-	        if (entity.type === 'way') {
-	            return [entity];
-	        } else if (entity.type === 'relation') {
-	            return entity.members.reduce(function(array, member) {
-	                if (member.type === 'way' &&
-	                    // only look at geometry ways
-	                    (!member.role || member.role === 'outer' || member.role === 'inner')) {
-	                    var entity = graph.hasEntity(member.id);
-	                    // don't add duplicates
-	                    if (entity && array.indexOf(entity) === -1) {
-	                        array.push(entity);
-	                    }
-	                }
-	                return array;
-	            }, []);
-	        }
-	        return [];
-	    }
-
-
-	    var validation = function checkCrossingWays(entity, graph) {
-
-	        var tree = context.history().tree();
-
-	        var ways = waysToCheck(entity, graph);
-
-	        var issues = [];
-	        // declare these here to reduce garbage collection
-	        var wayIndex, crossingIndex, crossings;
-	        for (wayIndex in ways) {
-	            crossings = findCrossingsByWay(ways[wayIndex], graph, tree);
-	            for (crossingIndex in crossings) {
-	                issues.push(createIssue(crossings[crossingIndex], graph));
-	            }
-	        }
-	        return issues;
-	    };
-
-
-	    function createIssue(crossing, graph) {
-
-	        // use the entities with the tags that define the feature type
-	        crossing.wayInfos.sort(function(way1Info, way2Info) {
-	            var type1 = way1Info.featureType;
-	            var type2 = way2Info.featureType;
-	            if (type1 === type2) {
-	                return utilDisplayLabel(way1Info.way, graph) > utilDisplayLabel(way2Info.way, graph);
-	            } else if (type1 === 'waterway') {
-	                return true;
-	            } else if (type2 === 'waterway') {
-	                return false;
-	            }
-	            return type1 < type2;
-	        });
-	        var entities = crossing.wayInfos.map(function(wayInfo) {
-	            return getFeatureWithFeatureTypeTagsForWay(wayInfo.way, graph);
-	        });
-	        var edges = [crossing.wayInfos[0].edge, crossing.wayInfos[1].edge];
-	        var featureTypes = [crossing.wayInfos[0].featureType, crossing.wayInfos[1].featureType];
-
-	        var connectionTags = tagsForConnectionNodeIfAllowed(entities[0], entities[1], graph);
-
-	        var featureType1 = crossing.wayInfos[0].featureType;
-	        var featureType2 = crossing.wayInfos[1].featureType;
-
-	        var isCrossingIndoors = taggedAsIndoor(entities[0].tags) && taggedAsIndoor(entities[1].tags);
-	        var isCrossingTunnels = allowsTunnel(featureType1) && hasTag(entities[0].tags, 'tunnel') &&
-	                                allowsTunnel(featureType2) && hasTag(entities[1].tags, 'tunnel');
-	        var isCrossingBridges = allowsBridge(featureType1) && hasTag(entities[0].tags, 'bridge') &&
-	                                allowsBridge(featureType2) && hasTag(entities[1].tags, 'bridge');
-
-	        var subtype = [featureType1, featureType2].sort().join('-');
-
-	        var crossingTypeID = subtype;
-
-	        if (isCrossingIndoors) {
-	            crossingTypeID = 'indoor-indoor';
-	        } else if (isCrossingTunnels) {
-	            crossingTypeID = 'tunnel-tunnel';
-	        } else if (isCrossingBridges) {
-	            crossingTypeID = 'bridge-bridge';
-	        }
-	        if (connectionTags && (isCrossingIndoors || isCrossingTunnels || isCrossingBridges)) {
-	            crossingTypeID += '_connectable';
-	        }
-
-	        return new validationIssue({
-	            type: type,
-	            subtype: subtype,
-	            severity: 'warning',
-	            message: function(context) {
-	                var graph = context.graph();
-	                var entity1 = graph.hasEntity(this.entityIds[0]),
-	                    entity2 = graph.hasEntity(this.entityIds[1]);
-	                return (entity1 && entity2) ? _t('issues.crossing_ways.message', {
-	                    feature: utilDisplayLabel(entity1, graph),
-	                    feature2: utilDisplayLabel(entity2, graph)
-	                }) : '';
-	            },
-	            reference: showReference,
-	            entityIds: entities.map(function(entity) {
-	                return entity.id;
-	            }),
-	            data: {
-	                edges: edges,
-	                featureTypes: featureTypes,
-	                connectionTags: connectionTags
-	            },
-	            // differentiate based on the loc since two ways can cross multiple times
-	            hash: crossing.crossPoint.toString() +
-	                // if the edges change then so does the fix
-	                edges.slice().sort(function(edge1, edge2) {
-	                    // order to assure hash is deterministic
-	                    return edge1[0] < edge2[0] ? -1 : 1;
-	                }).toString() +
-	                // ensure the correct connection tags are added in the fix
-	                JSON.stringify(connectionTags),
-	            loc: crossing.crossPoint,
-	            dynamicFixes: function(context) {
-	                var mode = context.mode();
-	                if (!mode || mode.id !== 'select' || mode.selectedIDs().length !== 1) return [];
-
-	                var selectedIndex = this.entityIds[0] === mode.selectedIDs()[0] ? 0 : 1;
-	                var selectedFeatureType = this.data.featureTypes[selectedIndex];
-	                var otherFeatureType = this.data.featureTypes[selectedIndex === 0 ? 1 : 0];
-
-	                var fixes = [];
-
-	                if (connectionTags) {
-	                    fixes.push(makeConnectWaysFix(this.data.connectionTags));
-	                }
-
-	                if (isCrossingIndoors) {
-	                    fixes.push(new validationIssueFix({
-	                        icon: 'iD-icon-layers',
-	                        title: _t('issues.fix.use_different_levels.title')
-	                    }));
-	                } else if (isCrossingTunnels ||
-	                    isCrossingBridges ||
-	                    featureType1 === 'building' ||
-	                    featureType2 === 'building')  {
-
-	                    fixes.push(makeChangeLayerFix('higher'));
-	                    fixes.push(makeChangeLayerFix('lower'));
-
-	                // can only add bridge/tunnel if both features are lines
-	                } else if (context.graph().geometry(this.entityIds[0]) === 'line' &&
-	                    context.graph().geometry(this.entityIds[1]) === 'line') {
-
-	                    // don't recommend adding bridges to waterways since they're uncommmon
-	                    if (allowsBridge(selectedFeatureType) && selectedFeatureType !== 'waterway') {
-	                        fixes.push(makeAddBridgeOrTunnelFix('add_a_bridge', 'temaki-bridge', 'bridge'));
-	                    }
-
-	                    // don't recommend adding tunnels under waterways since they're uncommmon
-	                    var skipTunnelFix = otherFeatureType === 'waterway' && selectedFeatureType !== 'waterway';
-	                    if (allowsTunnel(selectedFeatureType) && !skipTunnelFix) {
-	                        fixes.push(makeAddBridgeOrTunnelFix('add_a_tunnel', 'temaki-tunnel', 'tunnel'));
-	                    }
-	                }
-
-	                // repositioning the features is always an option
-	                fixes.push(new validationIssueFix({
-	                    icon: 'iD-operation-move',
-	                    title: _t('issues.fix.reposition_features.title')
-	                }));
-
-	                return fixes;
-	            }
-	        });
-
-	        function showReference(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.crossing_ways.' + crossingTypeID + '.reference'));
-	        }
-	    }
-
-	    function makeAddBridgeOrTunnelFix(fixTitleID, iconName, bridgeOrTunnel){
-	        return new validationIssueFix({
-	            icon: iconName,
-	            title: _t('issues.fix.' + fixTitleID + '.title'),
-	            onClick: function(context) {
-	                var mode = context.mode();
-	                if (!mode || mode.id !== 'select') return;
-
-	                var selectedIDs = mode.selectedIDs();
-	                if (selectedIDs.length !== 1) return;
-
-	                var selectedWayID = selectedIDs[0];
-	                if (!context.hasEntity(selectedWayID)) return;
-
-	                var resultWayIDs = [selectedWayID];
-
-	                var edge, crossedEdge, crossedWayID;
-	                if (this.issue.entityIds[0] === selectedWayID) {
-	                    edge = this.issue.data.edges[0];
-	                    crossedEdge = this.issue.data.edges[1];
-	                    crossedWayID = this.issue.entityIds[1];
-	                } else {
-	                    edge = this.issue.data.edges[1];
-	                    crossedEdge = this.issue.data.edges[0];
-	                    crossedWayID = this.issue.entityIds[0];
-	                }
-
-	                var crossingLoc = this.issue.loc;
-
-	                var projection = context.projection;
-
-	                var action = function actionAddStructure(graph) {
-
-	                    var edgeNodes = [graph.entity(edge[0]), graph.entity(edge[1])];
-
-	                    var crossedWay = graph.hasEntity(crossedWayID);
-	                    // use the explicit width of the crossed feature as the structure length, if available
-	                    var structLengthMeters = crossedWay && crossedWay.tags.width && parseFloat(crossedWay.tags.width);
-	                    if (!structLengthMeters) {
-	                        // if no explicit width is set, approximate the width based on the tags
-	                        structLengthMeters = crossedWay && crossedWay.impliedLineWidthMeters();
-	                    }
-	                    if (structLengthMeters) {
-	                        if (getFeatureType(crossedWay, graph) === 'railway') {
-	                            // bridges over railways are generally much longer than the rail bed itself, compensate
-	                            structLengthMeters *= 2;
-	                        }
-	                    } else {
-	                        // should ideally never land here since all rail/water/road tags should have an implied width
-	                        structLengthMeters = 8;
-	                    }
-
-	                    var a1 = geoAngle(edgeNodes[0], edgeNodes[1], projection) + Math.PI;
-	                    var a2 = geoAngle(graph.entity(crossedEdge[0]), graph.entity(crossedEdge[1]), projection) + Math.PI;
-	                    var crossingAngle = Math.max(a1, a2) - Math.min(a1, a2);
-	                    if (crossingAngle > Math.PI) crossingAngle -= Math.PI;
-	                    // lengthen the structure to account for the angle of the crossing
-	                    structLengthMeters = ((structLengthMeters / 2) / Math.sin(crossingAngle)) * 2;
-
-	                    // add padding since the structure must extend past the edges of the crossed feature
-	                    structLengthMeters += 4;
-
-	                    // clamp the length to a reasonable range
-	                    structLengthMeters = Math.min(Math.max(structLengthMeters, 4), 50);
-
-	                    function geomToProj(geoPoint) {
-	                        return [
-	                            geoLonToMeters(geoPoint[0], geoPoint[1]),
-	                            geoLatToMeters(geoPoint[1])
-	                        ];
-	                    }
-	                    function projToGeom(projPoint) {
-	                        var lat = geoMetersToLat(projPoint[1]);
-	                        return [
-	                            geoMetersToLon(projPoint[0], lat),
-	                            lat
-	                        ];
-	                    }
-
-	                    var projEdgeNode1 = geomToProj(edgeNodes[0].loc);
-	                    var projEdgeNode2 = geomToProj(edgeNodes[1].loc);
-
-	                    var projectedAngle = geoVecAngle(projEdgeNode1, projEdgeNode2);
-
-	                    var projectedCrossingLoc = geomToProj(crossingLoc);
-	                    var linearToSphericalMetersRatio = geoVecLength(projEdgeNode1, projEdgeNode2) /
-	                        geoSphericalDistance(edgeNodes[0].loc, edgeNodes[1].loc);
-
-	                    function locSphericalDistanceFromCrossingLoc(angle, distanceMeters) {
-	                        var lengthSphericalMeters = distanceMeters * linearToSphericalMetersRatio;
-	                        return projToGeom([
-	                            projectedCrossingLoc[0] + Math.cos(angle) * lengthSphericalMeters,
-	                            projectedCrossingLoc[1] + Math.sin(angle) * lengthSphericalMeters
-	                        ]);
-	                    }
-
-	                    var endpointLocGetter1 = function(lengthMeters) {
-	                        return locSphericalDistanceFromCrossingLoc(projectedAngle, lengthMeters);
-	                    };
-	                    var endpointLocGetter2 = function(lengthMeters) {
-	                        return locSphericalDistanceFromCrossingLoc(projectedAngle + Math.PI, lengthMeters);
-	                    };
-
-	                    // avoid creating very short edges from splitting too close to another node
-	                    var minEdgeLengthMeters = 0.55;
-
-	                    // decide where to bound the structure along the way, splitting as necessary
-	                    function determineEndpoint(edge, endNode, locGetter) {
-	                        var newNode;
-
-	                        var idealLengthMeters = structLengthMeters / 2;
-
-	                        // distance between the crossing location and the end of the edge,
-	                        // the maximum length of this side of the structure
-	                        var crossingToEdgeEndDistance = geoSphericalDistance(crossingLoc, endNode.loc);
-
-	                        if (crossingToEdgeEndDistance - idealLengthMeters > minEdgeLengthMeters) {
-	                            // the edge is long enough to insert a new node
-
-	                            // the loc that would result in the full expected length
-	                            var idealNodeLoc = locGetter(idealLengthMeters);
-
-	                            newNode = osmNode();
-	                            graph = actionAddMidpoint({ loc: idealNodeLoc, edge: edge }, newNode)(graph);
-
-	                        } else {
-	                            var edgeCount = 0;
-	                            endNode.parentIntersectionWays(graph).forEach(function(way) {
-	                                way.nodes.forEach(function(nodeID) {
-	                                    if (nodeID === endNode.id) {
-	                                        if ((endNode.id === way.first() && endNode.id !== way.last()) ||
-	                                            (endNode.id === way.last() && endNode.id !== way.first())) {
-	                                            edgeCount += 1;
-	                                        } else {
-	                                            edgeCount += 2;
-	                                        }
-	                                    }
-	                                });
-	                            });
-
-	                            if (edgeCount >= 3) {
-	                                // the end node is a junction, try to leave a segment
-	                                // between it and the structure - #7202
-
-	                                var insetLength = crossingToEdgeEndDistance - minEdgeLengthMeters;
-	                                if (insetLength > minEdgeLengthMeters) {
-	                                    var insetNodeLoc = locGetter(insetLength);
-	                                    newNode = osmNode();
-	                                    graph = actionAddMidpoint({ loc: insetNodeLoc, edge: edge }, newNode)(graph);
-	                                }
-	                            }
-	                        }
-
-	                        // if the edge is too short to subdivide as desired, then
-	                        // just bound the structure at the existing end node
-	                        if (!newNode) newNode = endNode;
-
-	                        var splitAction = actionSplit(newNode.id)
-	                            .limitWays(resultWayIDs); // only split selected or created ways
-
-	                        // do the split
-	                        graph = splitAction(graph);
-	                        if (splitAction.getCreatedWayIDs().length) {
-	                            resultWayIDs.push(splitAction.getCreatedWayIDs()[0]);
-	                        }
-
-	                        return newNode;
-	                    }
-
-	                    var structEndNode1 = determineEndpoint(edge, edgeNodes[1], endpointLocGetter1);
-	                    var structEndNode2 = determineEndpoint([edgeNodes[0].id, structEndNode1.id], edgeNodes[0], endpointLocGetter2);
-
-	                    var structureWay = resultWayIDs.map(function(id) {
-	                        return graph.entity(id);
-	                    }).find(function(way) {
-	                        return way.nodes.indexOf(structEndNode1.id) !== -1 &&
-	                            way.nodes.indexOf(structEndNode2.id) !== -1;
-	                    });
-
-	                    var tags = Object.assign({}, structureWay.tags); // copy tags
-	                    if (bridgeOrTunnel === 'bridge'){
-	                        tags.bridge = 'yes';
-	                        tags.layer = '1';
-	                    } else {
-	                        var tunnelValue = 'yes';
-	                        if (getFeatureType(structureWay, graph) === 'waterway') {
-	                            // use `tunnel=culvert` for waterways by default
-	                            tunnelValue = 'culvert';
-	                        }
-	                        tags.tunnel = tunnelValue;
-	                        tags.layer = '-1';
-	                    }
-	                    // apply the structure tags to the way
-	                    graph = actionChangeTags(structureWay.id, tags)(graph);
-	                    return graph;
-	                };
-
-	                context.perform(action, _t('issues.fix.' + fixTitleID + '.annotation'));
-	                context.enter(modeSelect(context, resultWayIDs));
-	            }
-	        });
-	    }
-
-	    function makeConnectWaysFix(connectionTags) {
-
-	        var fixTitleID = 'connect_features';
-	        if (connectionTags.ford) {
-	            fixTitleID = 'connect_using_ford';
-	        }
-
-	        return new validationIssueFix({
-	            icon: 'iD-icon-crossing',
-	            title: _t('issues.fix.' + fixTitleID + '.title'),
-	            onClick: function(context) {
-	                var loc = this.issue.loc;
-	                var connectionTags = this.issue.data.connectionTags;
-	                var edges = this.issue.data.edges;
-
-	                context.perform(
-	                    function actionConnectCrossingWays(graph) {
-	                        // create the new node for the points
-	                        var node = osmNode({ loc: loc, tags: connectionTags });
-	                        graph = graph.replace(node);
-
-	                        var nodesToMerge = [node.id];
-	                        var mergeThresholdInMeters = 0.75;
-
-	                        edges.forEach(function(edge) {
-	                            var edgeNodes = [graph.entity(edge[0]), graph.entity(edge[1])];
-	                            var closestNodeInfo = geoSphericalClosestNode(edgeNodes, loc);
-	                            // if there is already a point nearby, use that
-	                            if (closestNodeInfo.distance < mergeThresholdInMeters) {
-	                                nodesToMerge.push(closestNodeInfo.node.id);
-	                            // else add the new node to the way
-	                            } else {
-	                                graph = actionAddMidpoint({loc: loc, edge: edge}, node)(graph);
-	                            }
-	                        });
-
-	                        if (nodesToMerge.length > 1) {
-	                            // if we're using nearby nodes, merge them with the new node
-	                            graph = actionMergeNodes(nodesToMerge, loc)(graph);
-	                        }
-
-	                        return graph;
-	                    },
-	                    _t('issues.fix.connect_crossing_features.annotation')
-	                );
-	            }
-	        });
-	    }
-
-	    function makeChangeLayerFix(higherOrLower) {
-	        return new validationIssueFix({
-	            icon: 'iD-icon-' + (higherOrLower === 'higher' ? 'up' : 'down'),
-	            title: _t('issues.fix.tag_this_as_' + higherOrLower + '.title'),
-	            onClick: function(context) {
-
-	                var mode = context.mode();
-	                if (!mode || mode.id !== 'select') return;
-
-	                var selectedIDs = mode.selectedIDs();
-	                if (selectedIDs.length !== 1) return;
-
-	                var selectedID = selectedIDs[0];
-	                if (!this.issue.entityIds.some(function(entityId) {
-	                    return entityId === selectedID;
-	                })) return;
-
-	                var entity = context.hasEntity(selectedID);
-	                if (!entity) return;
-
-	                var tags = Object.assign({}, entity.tags);   // shallow copy
-	                var layer = tags.layer && Number(tags.layer);
-	                if (layer && !isNaN(layer)) {
-	                    if (higherOrLower === 'higher') {
-	                        layer += 1;
-	                    } else {
-	                        layer -= 1;
-	                    }
-	                } else {
-	                    if (higherOrLower === 'higher') {
-	                        layer = 1;
-	                    } else {
-	                        layer = -1;
-	                    }
-	                }
-	                tags.layer = layer.toString();
-	                context.perform(
-	                    actionChangeTags(entity.id, tags),
-	                    _t('operations.change_tags.annotation')
-	                );
-	            }
-	        });
-	    }
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationDisconnectedWay() {
-	    var type = 'disconnected_way';
-
-	    function isTaggedAsHighway(entity) {
-	        return osmRoutableHighwayTagValues[entity.tags.highway];
-	    }
-
-	    var validation = function checkDisconnectedWay(entity, graph) {
-
-	        var routingIslandWays = routingIslandForEntity(entity);
-	        if (!routingIslandWays) return [];
-
-	        return [new validationIssue({
-	            type: type,
-	            subtype: 'highway',
-	            severity: 'warning',
-	            message: function(context) {
-	                if (this.entityIds.length === 1) {
-	                    var entity = context.hasEntity(this.entityIds[0]);
-	                    return entity ? _t('issues.disconnected_way.highway.message', { highway: utilDisplayLabel(entity, context.graph()) }) : '';
-	                }
-	                return _t('issues.disconnected_way.routable.message.multiple', { count: this.entityIds.length.toString() });
-	            },
-	            reference: showReference,
-	            entityIds: Array.from(routingIslandWays).map(function(way) { return way.id; }),
-	            dynamicFixes: makeFixes
-	        })];
-
-
-	        function makeFixes(context) {
-
-	            var fixes = [];
-
-	            var singleEntity = this.entityIds.length === 1 && context.hasEntity(this.entityIds[0]);
-
-	            if (singleEntity) {
-
-	                if (singleEntity.type === 'way' && !singleEntity.isClosed()) {
-
-	                    var textDirection = _mainLocalizer.textDirection();
-
-	                    var startFix = makeContinueDrawingFixIfAllowed(textDirection, singleEntity.first(), 'start');
-	                    if (startFix) fixes.push(startFix);
-
-	                    var endFix = makeContinueDrawingFixIfAllowed(textDirection, singleEntity.last(), 'end');
-	                    if (endFix) fixes.push(endFix);
-	                }
-	                if (!fixes.length) {
-	                    fixes.push(new validationIssueFix({
-	                        title: _t('issues.fix.connect_feature.title')
-	                    }));
-	                }
-
-	                fixes.push(new validationIssueFix({
-	                    icon: 'iD-operation-delete',
-	                    title: _t('issues.fix.delete_feature.title'),
-	                    entityIds: [singleEntity.id],
-	                    onClick: function(context) {
-	                        var id = this.issue.entityIds[0];
-	                        var operation = operationDelete(context, [id]);
-	                        if (!operation.disabled()) {
-	                            operation();
-	                        }
-	                    }
-	                }));
-	            } else {
-	                fixes.push(new validationIssueFix({
-	                    title: _t('issues.fix.connect_features.title')
-	                }));
-	            }
-
-	            return fixes;
-	        }
-
-
-	        function showReference(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.disconnected_way.routable.reference'));
-	        }
-
-	        function routingIslandForEntity(entity) {
-
-	            var routingIsland = new Set();  // the interconnected routable features
-	            var waysToCheck = [];           // the queue of remaining routable ways to traverse
-
-	            function queueParentWays(node) {
-	                graph.parentWays(node).forEach(function(parentWay) {
-	                    if (!routingIsland.has(parentWay) &&    // only check each feature once
-	                        isRoutableWay(parentWay, false)) {  // only check routable features
-	                        routingIsland.add(parentWay);
-	                        waysToCheck.push(parentWay);
-	                    }
-	                });
-	            }
-
-	            if (entity.type === 'way' && isRoutableWay(entity, true)) {
-
-	                routingIsland.add(entity);
-	                waysToCheck.push(entity);
-
-	            } else if (entity.type === 'node' && isRoutableNode(entity)) {
-
-	                routingIsland.add(entity);
-	                queueParentWays(entity);
-
-	            } else {
-	                // this feature isn't routable, cannot be a routing island
-	                return null;
-	            }
-
-	            while (waysToCheck.length) {
-	                var wayToCheck = waysToCheck.pop();
-	                var childNodes = graph.childNodes(wayToCheck);
-	                for (var i in childNodes) {
-	                    var vertex = childNodes[i];
-
-	                    if (isConnectedVertex(vertex)) {
-	                        // found a link to the wider network, not a routing island
-	                        return null;
-	                    }
-
-	                    if (isRoutableNode(vertex)) {
-	                        routingIsland.add(vertex);
-	                    }
-
-	                    queueParentWays(vertex);
-	                }
-	            }
-
-	            // no network link found, this is a routing island, return its members
-	            return routingIsland;
-	        }
-
-	        function isConnectedVertex(vertex) {
-	            // assume ways overlapping unloaded tiles are connected to the wider road network  - #5938
-	            var osm = services.osm;
-	            if (osm && !osm.isDataLoaded(vertex.loc)) return true;
-
-	            // entrances are considered connected
-	            if (vertex.tags.entrance &&
-	                vertex.tags.entrance !== 'no') return true;
-	            if (vertex.tags.amenity === 'parking_entrance') return true;
-
-	            return false;
-	        }
-
-	        function isRoutableNode(node) {
-	            // treat elevators as distinct features in the highway network
-	            if (node.tags.highway === 'elevator') return true;
-	            return false;
-	        }
-
-	        function isRoutableWay(way, ignoreInnerWays) {
-	            if (isTaggedAsHighway(way) || way.tags.route === 'ferry') return true;
-
-	            return graph.parentRelations(way).some(function(parentRelation) {
-	                if (parentRelation.tags.type === 'route' &&
-	                    parentRelation.tags.route === 'ferry') return true;
-
-	                if (parentRelation.isMultipolygon() &&
-	                    isTaggedAsHighway(parentRelation) &&
-	                    (!ignoreInnerWays || parentRelation.memberById(way.id).role !== 'inner')) return true;
-	            });
-	        }
-
-	        function makeContinueDrawingFixIfAllowed(textDirection, vertexID, whichEnd) {
-	            var vertex = graph.hasEntity(vertexID);
-	            if (!vertex || vertex.tags.noexit === 'yes') return null;
-
-	            var useLeftContinue = (whichEnd === 'start' && textDirection === 'ltr') ||
-	                (whichEnd === 'end' && textDirection === 'rtl');
-
-	            return new validationIssueFix({
-	                icon: 'iD-operation-continue' + (useLeftContinue ? '-left' : ''),
-	                title: _t('issues.fix.continue_from_' + whichEnd + '.title'),
-	                entityIds: [vertexID],
-	                onClick: function(context) {
-	                    var wayId = this.issue.entityIds[0];
-	                    var way = context.hasEntity(wayId);
-	                    var vertexId = this.entityIds[0];
-	                    var vertex = context.hasEntity(vertexId);
-
-	                    if (!way || !vertex) return;
-
-	                    // make sure the vertex is actually visible and editable
-	                    var map = context.map();
-	                    if (!context.editable() || !map.trimmedExtent().contains(vertex.loc)) {
-	                        map.zoomToEase(vertex);
-	                    }
-
-	                    context.enter(
-	                        modeDrawLine(context, wayId, context.graph(), 'line', way.affix(vertexId), true)
-	                    );
-	                }
-	            });
-	        }
-
-	    };
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationFormatting() {
-	    var type = 'invalid_format';
-
-	    var validation = function(entity) {
-	        var issues = [];
-
-	        function isValidEmail(email) {
-	            // Emails in OSM are going to be official so they should be pretty simple
-	            // Using negated lists to better support all possible unicode characters (#6494)
-	            var valid_email = /^[^\(\)\\,":;<>@\[\]]+@[^\(\)\\,":;<>@\[\]\.]+(?:\.[a-z0-9-]+)*$/i;
-
-	            // An empty value is also acceptable
-	            return (!email || valid_email.test(email));
-	        }
-	        /*
-	        function isSchemePresent(url) {
-	            var valid_scheme = /^https?:\/\//i;
-	            return (!url || valid_scheme.test(url));
-	        }
-	        */
-	        function showReferenceEmail(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.invalid_format.email.reference'));
-	        }
-	        /*
-	        function showReferenceWebsite(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(t('issues.invalid_format.website.reference'));
-	        }
-
-	        if (entity.tags.website) {
-	            // Multiple websites are possible
-	            // If ever we support ES6, arrow functions make this nicer
-	            var websites = entity.tags.website
-	                .split(';')
-	                .map(function(s) { return s.trim(); })
-	                .filter(function(x) { return !isSchemePresent(x); });
-
-	            if (websites.length) {
-	                issues.push(new validationIssue({
-	                    type: type,
-	                    subtype: 'website',
-	                    severity: 'warning',
-	                    message: function(context) {
-	                        var entity = context.hasEntity(this.entityIds[0]);
-	                        return entity ? t('issues.invalid_format.website.message' + this.data,
-	                            { feature: utilDisplayLabel(entity, context.graph()), site: websites.join(', ') }) : '';
-	                    },
-	                    reference: showReferenceWebsite,
-	                    entityIds: [entity.id],
-	                    hash: websites.join(),
-	                    data: (websites.length > 1) ? '_multi' : ''
-	                }));
-	            }
-	        }
-	        */
-	        if (entity.tags.email) {
-	            // Multiple emails are possible
-	            var emails = entity.tags.email
-	                .split(';')
-	                .map(function(s) { return s.trim(); })
-	                .filter(function(x) { return !isValidEmail(x); });
-
-	            if (emails.length) {
-	                issues.push(new validationIssue({
-	                    type: type,
-	                    subtype: 'email',
-	                    severity: 'warning',
-	                    message: function(context) {
-	                        var entity = context.hasEntity(this.entityIds[0]);
-	                        return entity ? _t('issues.invalid_format.email.message' + this.data,
-	                            { feature: utilDisplayLabel(entity, context.graph()), email: emails.join(', ') }) : '';
-	                    },
-	                    reference: showReferenceEmail,
-	                    entityIds: [entity.id],
-	                    hash: emails.join(),
-	                    data: (emails.length > 1) ? '_multi' : ''
-	                }));
-	            }
-	        }
-
-	        return issues;
-	    };
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationHelpRequest(context) {
-	    var type = 'help_request';
-
-	    var validation = function checkFixmeTag(entity) {
-
-	        if (!entity.tags.fixme) return [];
-
-	        // don't flag fixmes on features added by the user
-	        if (entity.version === undefined) return [];
-
-	        if (entity.v !== undefined) {
-	            var baseEntity = context.history().base().hasEntity(entity.id);
-	            // don't flag fixmes added by the user on existing features
-	            if (!baseEntity || !baseEntity.tags.fixme) return [];
-	        }
-
-	        return [new validationIssue({
-	            type: type,
-	            subtype: 'fixme_tag',
-	            severity: 'warning',
-	            message: function(context) {
-	                var entity = context.hasEntity(this.entityIds[0]);
-	                return entity ? _t('issues.fixme_tag.message', { feature: utilDisplayLabel(entity, context.graph()) }) : '';
-	            },
-	            dynamicFixes: function() {
-	                return [
-	                    new validationIssueFix({
-	                        title: _t('issues.fix.address_the_concern.title')
-	                    })
-	                ];
-	            },
-	            reference: showReference,
-	            entityIds: [entity.id]
-	        })];
-
-	        function showReference(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.fixme_tag.reference'));
-	        }
-	    };
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationImpossibleOneway() {
-	    var type = 'impossible_oneway';
-
-	    var validation = function checkImpossibleOneway(entity, graph) {
-
-	        if (entity.type !== 'way' || entity.geometry(graph) !== 'line') return [];
-
-	        if (entity.isClosed()) return [];
-
-	        if (!typeForWay(entity)) return [];
-
-	        if (!isOneway(entity)) return [];
-
-	        var firstIssues = issuesForNode(entity, entity.first());
-	        var lastIssues = issuesForNode(entity, entity.last());
-
-	        return firstIssues.concat(lastIssues);
-
-	        function typeForWay(way) {
-	            if (way.geometry(graph) !== 'line') return null;
-
-	            if (osmRoutableHighwayTagValues[way.tags.highway]) return 'highway';
-	            if (osmFlowingWaterwayTagValues[way.tags.waterway]) return 'waterway';
-	            return null;
-	        }
-
-	        function isOneway(way) {
-	            if (way.tags.oneway === 'yes') return true;
-	            if (way.tags.oneway) return false;
-
-	            for (var key in way.tags) {
-	                if (osmOneWayTags[key] && osmOneWayTags[key][way.tags[key]]) {
-	                    return true;
-	                }
-	            }
-	            return false;
-	        }
-
-	        function nodeOccursMoreThanOnce(way, nodeID) {
-	            var occurences = 0;
-	            for (var index in way.nodes) {
-	                if (way.nodes[index] === nodeID) {
-	                    occurences += 1;
-	                    if (occurences > 1) return true;
-	                }
-	            }
-	            return false;
-	        }
-
-	        function isConnectedViaOtherTypes(way, node) {
-
-	            var wayType = typeForWay(way);
-
-	            if (wayType === 'highway') {
-	                // entrances are considered connected
-	                if (node.tags.entrance && node.tags.entrance !== 'no') return true;
-	                if (node.tags.amenity === 'parking_entrance') return true;
-	            } else if (wayType === 'waterway') {
-	                if (node.id === way.first()) {
-	                    // multiple waterways may start at the same spring
-	                    if (node.tags.natural === 'spring') return true;
-	                } else {
-	                    // multiple waterways may end at the same drain
-	                    if (node.tags.manhole === 'drain') return true;
-	                }
-	            }
-
-	            return graph.parentWays(node).some(function(parentWay) {
-	                if (parentWay.id === way.id) return false;
-
-	                if (wayType === 'highway') {
-
-	                    // allow connections to highway areas
-	                    if (parentWay.geometry(graph) === 'area' &&
-	                        osmRoutableHighwayTagValues[parentWay.tags.highway]) return true;
-
-	                    // count connections to ferry routes as connected
-	                    if (parentWay.tags.route === 'ferry') return true;
-
-	                    return graph.parentRelations(parentWay).some(function(parentRelation) {
-	                        if (parentRelation.tags.type === 'route' &&
-	                            parentRelation.tags.route === 'ferry') return true;
-
-	                        // allow connections to highway multipolygons
-	                        return parentRelation.isMultipolygon() && osmRoutableHighwayTagValues[parentRelation.tags.highway];
-	                    });
-	                } else if (wayType === 'waterway') {
-	                    // multiple waterways may start or end at a water body at the same node
-	                    if (parentWay.tags.natural === 'water' ||
-	                        parentWay.tags.natural === 'coastline') return true;
-	                }
-	                return false;
-	            });
-	        }
-
-	        function issuesForNode(way, nodeID) {
-
-	            var isFirst = nodeID === way.first();
-
-	            var wayType = typeForWay(way);
-
-	            // ignore if this way is self-connected at this node
-	            if (nodeOccursMoreThanOnce(way, nodeID)) return [];
-
-	            var osm = services.osm;
-	            if (!osm) return [];
-
-	            var node = graph.hasEntity(nodeID);
-
-	            // ignore if this node or its tile are unloaded
-	            if (!node || !osm.isDataLoaded(node.loc)) return [];
-
-	            if (isConnectedViaOtherTypes(way, node)) return [];
-
-	            var attachedWaysOfSameType = graph.parentWays(node).filter(function(parentWay) {
-	                if (parentWay.id === way.id) return false;
-	                return typeForWay(parentWay) === wayType;
-	            });
-
-	            // assume it's okay for waterways to start or end disconnected for now
-	            if (wayType === 'waterway' && attachedWaysOfSameType.length === 0) return [];
-
-	            var attachedOneways = attachedWaysOfSameType.filter(function(attachedWay) {
-	                return isOneway(attachedWay);
-	            });
-
-	            // ignore if the way is connected to some non-oneway features
-	            if (attachedOneways.length < attachedWaysOfSameType.length) return [];
-
-	            if (attachedOneways.length) {
-	                var connectedEndpointsOkay = attachedOneways.some(function(attachedOneway) {
-	                    if ((isFirst ? attachedOneway.first() : attachedOneway.last()) !== nodeID) return true;
-	                    if (nodeOccursMoreThanOnce(attachedOneway, nodeID)) return true;
-	                    return false;
-	                });
-	                if (connectedEndpointsOkay) return [];
-	            }
-
-	            var placement = isFirst ? 'start' : 'end',
-	                messageID = wayType + '.',
-	                referenceID = wayType + '.';
-
-	            if (wayType === 'waterway') {
-	                messageID += 'connected.' + placement;
-	                referenceID += 'connected';
-	            } else {
-	                messageID += placement;
-	                referenceID += placement;
-	            }
-
-	            return [new validationIssue({
-	                type: type,
-	                subtype: wayType,
-	                severity: 'warning',
-	                message: function(context) {
-	                    var entity = context.hasEntity(this.entityIds[0]);
-	                    return entity ? _t('issues.impossible_oneway.' + messageID + '.message', {
-	                        feature: utilDisplayLabel(entity, context.graph())
-	                    }) : '';
-	                },
-	                reference: getReference(referenceID),
-	                entityIds: [way.id, node.id],
-	                dynamicFixes: function() {
-
-	                    var fixes = [];
-
-	                    if (attachedOneways.length) {
-	                        fixes.push(new validationIssueFix({
-	                            icon: 'iD-operation-reverse',
-	                            title: _t('issues.fix.reverse_feature.title'),
-	                            entityIds: [way.id],
-	                            onClick: function(context) {
-	                                var id = this.issue.entityIds[0];
-	                                context.perform(actionReverse(id), _t('operations.reverse.annotation'));
-	                            }
-	                        }));
-	                    }
-	                    if (node.tags.noexit !== 'yes') {
-	                        var textDirection = _mainLocalizer.textDirection();
-	                        var useLeftContinue = (isFirst && textDirection === 'ltr') ||
-	                            (!isFirst && textDirection === 'rtl');
-	                        fixes.push(new validationIssueFix({
-	                            icon: 'iD-operation-continue' + (useLeftContinue ? '-left' : ''),
-	                            title: _t('issues.fix.continue_from_' + (isFirst ? 'start' : 'end') + '.title'),
-	                            onClick: function(context) {
-	                                var entityID = this.issue.entityIds[0];
-	                                var vertexID = this.issue.entityIds[1];
-	                                var way = context.entity(entityID);
-	                                var vertex = context.entity(vertexID);
-	                                continueDrawing(way, vertex, context);
-	                            }
-	                        }));
-	                    }
-
-	                    return fixes;
-	                },
-	                loc: node.loc
-	            })];
-
-	            function getReference(referenceID) {
-	                return function showReference(selection) {
-	                    selection.selectAll('.issue-reference')
-	                        .data([0])
-	                        .enter()
-	                        .append('div')
-	                        .attr('class', 'issue-reference')
-	                        .text(_t('issues.impossible_oneway.' + referenceID + '.reference'));
-	                };
-	            }
-	        }
-	    };
-
-	    function continueDrawing(way, vertex, context) {
-	        // make sure the vertex is actually visible and editable
-	        var map = context.map();
-	        if (!context.editable() || !map.trimmedExtent().contains(vertex.loc)) {
-	            map.zoomToEase(vertex);
-	        }
-
-	        context.enter(
-	            modeDrawLine(context, way.id, context.graph(), 'line', way.affix(vertex.id), true)
-	        );
-	    }
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationIncompatibleSource() {
-	    var type = 'incompatible_source';
-	    var invalidSources = [
-	        {
-	            id:'google', regex:'google', exceptRegex: 'books.google|Google Books|drive.google|googledrive|Google Drive'
-	        }
-	    ];
-
-	    var validation = function checkIncompatibleSource(entity) {
-
-	        var entitySources = entity.tags && entity.tags.source && entity.tags.source.split(';');
-
-	        if (!entitySources) return [];
-
-	        var issues = [];
-
-	        invalidSources.forEach(function(invalidSource) {
-
-	            var hasInvalidSource = entitySources.some(function(source) {
-	                if (!source.match(new RegExp(invalidSource.regex, 'i'))) return false;
-	                if (invalidSource.exceptRegex && source.match(new RegExp(invalidSource.exceptRegex, 'i'))) return false;
-	                return true;
-	            });
-
-	            if (!hasInvalidSource) return;
-
-	            issues.push(new validationIssue({
-	                type: type,
-	                severity: 'warning',
-	                message: function(context) {
-	                    var entity = context.hasEntity(this.entityIds[0]);
-	                    return entity ? _t('issues.incompatible_source.' + invalidSource.id + '.feature.message', {
-	                        feature: utilDisplayLabel(entity, context.graph())
-	                    }) : '';
-	                },
-	                reference: getReference(invalidSource.id),
-	                entityIds: [entity.id],
-	                dynamicFixes: function() {
-	                    return [
-	                        new validationIssueFix({
-	                            title: _t('issues.fix.remove_proprietary_data.title')
-	                        })
-	                    ];
-	                }
-	            }));
-	        });
-
-	        return issues;
-
-
-	        function getReference(id) {
-	            return function showReference(selection) {
-	                selection.selectAll('.issue-reference')
-	                    .data([0])
-	                    .enter()
-	                    .append('div')
-	                    .attr('class', 'issue-reference')
-	                    .text(_t('issues.incompatible_source.' + id + '.reference'));
-	            };
-	        }
-	    };
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationMaprules() {
-	    var type = 'maprules';
-
-	    var validation = function checkMaprules(entity, graph) {
-	        if (!services.maprules) return [];
-
-	        var rules = services.maprules.validationRules();
-	        var issues = [];
-
-	        for (var i = 0; i < rules.length; i++) {
-	            var rule = rules[i];
-	            rule.findIssues(entity, graph, issues);
-	        }
-
-	        return issues;
-	    };
-
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationMismatchedGeometry() {
-	    var type = 'mismatched_geometry';
-
-	    function tagSuggestingLineIsArea(entity) {
-	        if (entity.type !== 'way' || entity.isClosed()) return null;
-
-	        var tagSuggestingArea = entity.tagSuggestingArea();
-	        if (!tagSuggestingArea) {
-	            return null;
-	        }
-
-	        var asLine = _mainPresetIndex.matchTags(tagSuggestingArea, 'line');
-	        var asArea = _mainPresetIndex.matchTags(tagSuggestingArea, 'area');
-	        if (asLine && asArea && (asLine === asArea)) {
-	            // these tags also allow lines and making this an area wouldn't matter
-	            return null;
-	        }
-
-	        return tagSuggestingArea;
-	    }
-
-
-	    function makeConnectEndpointsFixOnClick(way, graph) {
-	        // must have at least three nodes to close this automatically
-	        if (way.nodes.length < 3) return null;
-
-	        var nodes = graph.childNodes(way), testNodes;
-	        var firstToLastDistanceMeters = geoSphericalDistance(nodes[0].loc, nodes[nodes.length-1].loc);
-
-	        // if the distance is very small, attempt to merge the endpoints
-	        if (firstToLastDistanceMeters < 0.75) {
-	            testNodes = nodes.slice();   // shallow copy
-	            testNodes.pop();
-	            testNodes.push(testNodes[0]);
-	            // make sure this will not create a self-intersection
-	            if (!geoHasSelfIntersections(testNodes, testNodes[0].id)) {
-	                return function(context) {
-	                    var way = context.entity(this.issue.entityIds[0]);
-	                    context.perform(
-	                        actionMergeNodes([way.nodes[0], way.nodes[way.nodes.length-1]], nodes[0].loc),
-	                        _t('issues.fix.connect_endpoints.annotation')
-	                    );
-	                };
-	            }
-	        }
-
-	        // if the points were not merged, attempt to close the way
-	        testNodes = nodes.slice();   // shallow copy
-	        testNodes.push(testNodes[0]);
-	        // make sure this will not create a self-intersection
-	        if (!geoHasSelfIntersections(testNodes, testNodes[0].id)) {
-	            return function(context) {
-	                var wayId = this.issue.entityIds[0];
-	                var way = context.entity(wayId);
-	                var nodeId = way.nodes[0];
-	                var index = way.nodes.length;
-	                context.perform(
-	                    actionAddVertex(wayId, nodeId, index),
-	                    _t('issues.fix.connect_endpoints.annotation')
-	                );
-	            };
-	        }
-	    }
-
-	    function lineTaggedAsAreaIssue(entity) {
-
-	        var tagSuggestingArea = tagSuggestingLineIsArea(entity);
-	        if (!tagSuggestingArea) return null;
-
-	        return new validationIssue({
-	            type: type,
-	            subtype: 'area_as_line',
-	            severity: 'warning',
-	            message: function(context) {
-	                var entity = context.hasEntity(this.entityIds[0]);
-	                return entity ? _t('issues.tag_suggests_area.message', {
-	                    feature: utilDisplayLabel(entity, context.graph()),
-	                    tag: utilTagText({ tags: tagSuggestingArea })
-	                }) : '';
-	            },
-	            reference: showReference,
-	            entityIds: [entity.id],
-	            hash: JSON.stringify(tagSuggestingArea),
-	            dynamicFixes: function(context) {
-
-	                var fixes = [];
-
-	                var entity = context.entity(this.entityIds[0]);
-	                var connectEndsOnClick = makeConnectEndpointsFixOnClick(entity, context.graph());
-
-	                fixes.push(new validationIssueFix({
-	                    title: _t('issues.fix.connect_endpoints.title'),
-	                    onClick: connectEndsOnClick
-	                }));
-
-	                fixes.push(new validationIssueFix({
-	                    icon: 'iD-operation-delete',
-	                    title: _t('issues.fix.remove_tag.title'),
-	                    onClick: function(context) {
-	                        var entityId = this.issue.entityIds[0];
-	                        var entity = context.entity(entityId);
-	                        var tags = Object.assign({}, entity.tags);  // shallow copy
-	                        for (var key in tagSuggestingArea) {
-	                            delete tags[key];
-	                        }
-	                        context.perform(
-	                            actionChangeTags(entityId, tags),
-	                            _t('issues.fix.remove_tag.annotation')
-	                        );
-	                    }
-	                }));
-
-	                return fixes;
-	            }
-	        });
-
-
-	        function showReference(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.tag_suggests_area.reference'));
-	        }
-	    }
-
-	    function vertexTaggedAsPointIssue(entity, graph) {
-	        // we only care about nodes
-	        if (entity.type !== 'node') return null;
-
-	        // ignore tagless points
-	        if (Object.keys(entity.tags).length === 0) return null;
-
-	        // address lines are special so just ignore them
-	        if (entity.isOnAddressLine(graph)) return null;
-
-	        var geometry = entity.geometry(graph);
-	        var allowedGeometries = osmNodeGeometriesForTags(entity.tags);
-
-	        if (geometry === 'point' && !allowedGeometries.point && allowedGeometries.vertex) {
-
-	            return new validationIssue({
-	                type: type,
-	                subtype: 'vertex_as_point',
-	                severity: 'warning',
-	                message: function(context) {
-	                    var entity = context.hasEntity(this.entityIds[0]);
-	                    return entity ? _t('issues.vertex_as_point.message', {
-	                        feature: utilDisplayLabel(entity, context.graph())
-	                    }) : '';
-	                },
-	                reference: function showReference(selection) {
-	                    selection.selectAll('.issue-reference')
-	                        .data([0])
-	                        .enter()
-	                        .append('div')
-	                        .attr('class', 'issue-reference')
-	                        .text(_t('issues.vertex_as_point.reference'));
-	                },
-	                entityIds: [entity.id]
-	            });
-
-	        } else if (geometry === 'vertex' && !allowedGeometries.vertex && allowedGeometries.point) {
-
-	            return new validationIssue({
-	                type: type,
-	                subtype: 'point_as_vertex',
-	                severity: 'warning',
-	                message: function(context) {
-	                    var entity = context.hasEntity(this.entityIds[0]);
-	                    return entity ? _t('issues.point_as_vertex.message', {
-	                        feature: utilDisplayLabel(entity, context.graph())
-	                    }) : '';
-	                },
-	                reference: function showReference(selection) {
-	                    selection.selectAll('.issue-reference')
-	                        .data([0])
-	                        .enter()
-	                        .append('div')
-	                        .attr('class', 'issue-reference')
-	                        .text(_t('issues.point_as_vertex.reference'));
-	                },
-	                entityIds: [entity.id],
-	                dynamicFixes: function(context) {
-
-	                    var entityId = this.entityIds[0];
-
-	                    var extractOnClick = null;
-	                    if (!context.hasHiddenConnections(entityId)) {
-
-	                        extractOnClick = function(context) {
-	                            var entityId = this.issue.entityIds[0];
-	                            var action = actionExtract(entityId);
-	                            context.perform(
-	                                action,
-	                                _t('operations.extract.annotation.single')
-	                            );
-	                            // re-enter mode to trigger updates
-	                            context.enter(modeSelect(context, [action.getExtractedNodeID()]));
-	                        };
-	                    }
-
-	                    return [
-	                        new validationIssueFix({
-	                            icon: 'iD-operation-extract',
-	                            title: _t('issues.fix.extract_point.title'),
-	                            onClick: extractOnClick
-	                        })
-	                    ];
-	                }
-	            });
-	        }
-
-	        return null;
-	    }
-
-	    function unclosedMultipolygonPartIssues(entity, graph) {
-
-	        if (entity.type !== 'relation' ||
-	            !entity.isMultipolygon() ||
-	            entity.isDegenerate() ||
-	            // cannot determine issues for incompletely-downloaded relations
-	            !entity.isComplete(graph)) return null;
-
-	        var sequences = osmJoinWays(entity.members, graph);
-
-	        var issues = [];
-
-	        for (var i in sequences) {
-	            var sequence = sequences[i];
-
-	            if (!sequence.nodes) continue;
-
-	            var firstNode = sequence.nodes[0];
-	            var lastNode = sequence.nodes[sequence.nodes.length - 1];
-
-	            // part is closed if the first and last nodes are the same
-	            if (firstNode === lastNode) continue;
-
-	            var issue = new validationIssue({
-	                type: type,
-	                subtype: 'unclosed_multipolygon_part',
-	                severity: 'warning',
-	                message: function(context) {
-	                    var entity = context.hasEntity(this.entityIds[0]);
-	                    return entity ? _t('issues.unclosed_multipolygon_part.message', {
-	                        feature: utilDisplayLabel(entity, context.graph())
-	                    }) : '';
-	                },
-	                reference: showReference,
-	                loc: sequence.nodes[0].loc,
-	                entityIds: [entity.id],
-	                hash: sequence.map(function(way) {
-	                    return way.id;
-	                }).join()
-	            });
-	            issues.push(issue);
-	        }
-
-	        return issues;
-
-	        function showReference(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.unclosed_multipolygon_part.reference'));
-	        }
-	    }
-
-	    var validation = function checkMismatchedGeometry(entity, graph) {
-	        var issues = [
-	            vertexTaggedAsPointIssue(entity, graph),
-	            lineTaggedAsAreaIssue(entity)
-	        ];
-	        issues = issues.concat(unclosedMultipolygonPartIssues(entity, graph));
-	        return issues.filter(Boolean);
-	    };
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationMissingRole() {
-	    var type = 'missing_role';
-
-	    var validation = function checkMissingRole(entity, graph) {
-	        var issues = [];
-	        if (entity.type === 'way') {
-	            graph.parentRelations(entity).forEach(function(relation) {
-	                if (!relation.isMultipolygon()) return;
-
-	                var member = relation.memberById(entity.id);
-	                if (member && isMissingRole(member)) {
-	                    issues.push(makeIssue(entity, relation, member));
-	                }
-	            });
-	        } else if (entity.type === 'relation' && entity.isMultipolygon()) {
-	            entity.indexedMembers().forEach(function(member) {
-	                var way = graph.hasEntity(member.id);
-	                if (way && isMissingRole(member)) {
-	                    issues.push(makeIssue(way, entity, member));
-	                }
-	            });
-	        }
-
-	        return issues;
-	    };
-
-
-	    function isMissingRole(member) {
-	        return !member.role || !member.role.trim().length;
-	    }
-
-
-	    function makeIssue(way, relation, member) {
-	        return new validationIssue({
-	            type: type,
-	            severity: 'warning',
-	            message: function(context) {
-	                var member = context.hasEntity(this.entityIds[1]),
-	                    relation = context.hasEntity(this.entityIds[0]);
-	                return (member && relation) ? _t('issues.missing_role.message', {
-	                    member: utilDisplayLabel(member, context.graph()),
-	                    relation: utilDisplayLabel(relation, context.graph())
-	                }) : '';
-	            },
-	            reference: showReference,
-	            entityIds: [relation.id, way.id],
-	            data: {
-	                member: member
-	            },
-	            hash: member.index.toString(),
-	            dynamicFixes: function() {
-	                return [
-	                    makeAddRoleFix('inner'),
-	                    makeAddRoleFix('outer'),
-	                    new validationIssueFix({
-	                        icon: 'iD-operation-delete',
-	                        title: _t('issues.fix.remove_from_relation.title'),
-	                        onClick: function(context) {
-	                            context.perform(
-	                                actionDeleteMember(this.issue.entityIds[0], this.issue.data.member.index),
-	                                _t('operations.delete_member.annotation')
-	                            );
-	                        }
-	                    })
-	                ];
-	            }
-	        });
-
-
-	        function showReference(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.missing_role.multipolygon.reference'));
-	        }
-	    }
-
-
-	    function makeAddRoleFix(role) {
-	        return new validationIssueFix({
-	            title: _t('issues.fix.set_as_' + role + '.title'),
-	            onClick: function(context) {
-	                var oldMember = this.issue.data.member;
-	                var member = { id: this.issue.entityIds[1], type: oldMember.type, role: role };
-	                context.perform(
-	                    actionChangeMember(this.issue.entityIds[0], member, oldMember.index),
-	                    _t('operations.change_role.annotation')
-	                );
-	            }
-	        });
-	    }
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	function validationMissingTag(context) {
-	    var type = 'missing_tag';
-
-	    function hasDescriptiveTags(entity, graph) {
-	        var keys = Object.keys(entity.tags)
-	            .filter(function(k) {
-	                if (k === 'area' || k === 'name') {
-	                    return false;
-	                } else {
-	                    return osmIsInterestingTag(k);
-	                }
-	            });
-
-	        if (entity.type === 'relation' &&
-	            keys.length === 1 &&
-	            entity.tags.type === 'multipolygon') {
-	            // this relation's only interesting tag just says its a multipolygon,
-	            // which is not descriptive enough
-
-	            // It's okay for a simple multipolygon to have no descriptive tags
-	            // if its outer way has them (old model, see `outdated_tags.js`)
-	            return osmOldMultipolygonOuterMemberOfRelation(entity, graph);
-	        }
-
-	        return keys.length > 0;
-	    }
-
-	    function isUnknownRoad(entity) {
-	        return entity.type === 'way' && entity.tags.highway === 'road';
-	    }
-
-	    function isUntypedRelation(entity) {
-	        return entity.type === 'relation' && !entity.tags.type;
-	    }
-
-	    var validation = function checkMissingTag(entity, graph) {
-
-	        var subtype;
-
-	        var osm = context.connection();
-	        var isUnloadedNode = entity.type === 'node' && osm && !osm.isDataLoaded(entity.loc);
-
-	        // we can't know if the node is a vertex if the tile is undownloaded
-	        if (!isUnloadedNode &&
-	            // allow untagged nodes that are part of ways
-	            entity.geometry(graph) !== 'vertex' &&
-	            // allow untagged entities that are part of relations
-	            !entity.hasParentRelations(graph)) {
-
-	            if (Object.keys(entity.tags).length === 0) {
-	                subtype = 'any';
-	            } else if (!hasDescriptiveTags(entity, graph)) {
-	                subtype = 'descriptive';
-	            } else if (isUntypedRelation(entity)) {
-	                subtype = 'relation_type';
-	            }
-	        }
-
-	        // flag an unknown road even if it's a member of a relation
-	        if (!subtype && isUnknownRoad(entity)) {
-	            subtype = 'highway_classification';
-	        }
-
-	        if (!subtype) return [];
-
-	        var messageID = subtype === 'highway_classification' ? 'unknown_road' : 'missing_tag.' + subtype;
-	        var referenceID = subtype === 'highway_classification' ? 'unknown_road' : 'missing_tag';
-
-	        // can always delete if the user created it in the first place..
-	        var canDelete = (entity.version === undefined || entity.v !== undefined);
-	        var severity = (canDelete && subtype !== 'highway_classification') ? 'error' : 'warning';
-
-	        return [new validationIssue({
-	            type: type,
-	            subtype: subtype,
-	            severity: severity,
-	            message: function(context) {
-	                var entity = context.hasEntity(this.entityIds[0]);
-	                return entity ? _t('issues.' + messageID + '.message', {
-	                    feature: utilDisplayLabel(entity, context.graph())
-	                }) : '';
-	            },
-	            reference: showReference,
-	            entityIds: [entity.id],
-	            dynamicFixes: function(context) {
-
-	                var fixes = [];
-
-	                var selectFixType = subtype === 'highway_classification' ? 'select_road_type' : 'select_preset';
-
-	                fixes.push(new validationIssueFix({
-	                    icon: 'iD-icon-search',
-	                    title: _t('issues.fix.' + selectFixType + '.title'),
-	                    onClick: function(context) {
-	                        context.ui().sidebar.showPresetList();
-	                    }
-	                }));
-
-	                var deleteOnClick;
-
-	                var id = this.entityIds[0];
-	                var operation = operationDelete(context, [id]);
-	                var disabledReasonID = operation.disabled();
-	                if (!disabledReasonID) {
-	                    deleteOnClick = function(context) {
-	                        var id = this.issue.entityIds[0];
-	                        var operation = operationDelete(context, [id]);
-	                        if (!operation.disabled()) {
-	                            operation();
-	                        }
-	                    };
-	                }
-
-	                fixes.push(
-	                    new validationIssueFix({
-	                        icon: 'iD-operation-delete',
-	                        title: _t('issues.fix.delete_feature.title'),
-	                        disabledReason: disabledReasonID ? _t('operations.delete.' + disabledReasonID + '.single') : undefined,
-	                        onClick: deleteOnClick
-	                    })
-	                );
-
-	                return fixes;
-	            }
-	        })];
-
-	        function showReference(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.' + referenceID + '.reference'));
-	        }
-	    };
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	// remove spaces, punctuation, diacritics
-	var simplify = (str) => {
-	  return diacritics.remove(
-	    str
-	      .replace(/&/g, 'and')
-	      .replace(/[\s\-=_!"#%'*{},.\/:;?\(\)\[\]@\\$\^*+<>~`’\u00a1\u00a7\u00b6\u00b7\u00bf\u037e\u0387\u055a-\u055f\u0589\u05c0\u05c3\u05c6\u05f3\u05f4\u0609\u060a\u060c\u060d\u061b\u061e\u061f\u066a-\u066d\u06d4\u0700-\u070d\u07f7-\u07f9\u0830-\u083e\u085e\u0964\u0965\u0970\u0af0\u0df4\u0e4f\u0e5a\u0e5b\u0f04-\u0f12\u0f14\u0f85\u0fd0-\u0fd4\u0fd9\u0fda\u104a-\u104f\u10fb\u1360-\u1368\u166d\u166e\u16eb-\u16ed\u1735\u1736\u17d4-\u17d6\u17d8-\u17da\u1800-\u1805\u1807-\u180a\u1944\u1945\u1a1e\u1a1f\u1aa0-\u1aa6\u1aa8-\u1aad\u1b5a-\u1b60\u1bfc-\u1bff\u1c3b-\u1c3f\u1c7e\u1c7f\u1cc0-\u1cc7\u1cd3\u2016\u2017\u2020-\u2027\u2030-\u2038\u203b-\u203e\u2041-\u2043\u2047-\u2051\u2053\u2055-\u205e\u2cf9-\u2cfc\u2cfe\u2cff\u2d70\u2e00\u2e01\u2e06-\u2e08\u2e0b\u2e0e-\u2e16\u2e18\u2e19\u2e1b\u2e1e\u2e1f\u2e2a-\u2e2e\u2e30-\u2e39\u3001-\u3003\u303d\u30fb\ua4fe\ua4ff\ua60d-\ua60f\ua673\ua67e\ua6f2-\ua6f7\ua874-\ua877\ua8ce\ua8cf\ua8f8-\ua8fa\ua92e\ua92f\ua95f\ua9c1-\ua9cd\ua9de\ua9df\uaa5c-\uaa5f\uaade\uaadf\uaaf0\uaaf1\uabeb\ufe10-\ufe16\ufe19\ufe30\ufe45\ufe46\ufe49-\ufe4c\ufe50-\ufe52\ufe54-\ufe57\ufe5f-\ufe61\ufe68\ufe6a\ufe6b\uff01-\uff03\uff05-\uff07\uff0a\uff0c\uff0e\uff0f\uff1a\uff1b\uff1f\uff20\uff3c\uff61\uff64\uff65]+/g,'')
-	      .toLowerCase()
-	  );
-	};
-
-	// toParts - split a name-suggestion-index key into parts
-	// {
-	//   kvnd:        "amenity/fast_food|Thaï Express~(North America)",
-	//   kvn:         "amenity/fast_food|Thaï Express",
-	//   kv:          "amenity/fast_food",
-	//   k:           "amenity",
-	//   v:           "fast_food",
-	//   n:           "Thaï Express",
-	//   d:           "(North America)",
-	//   nsimple:     "thaiexpress",
-	//   kvnnsimple:  "amenity/fast_food|thaiexpress"
-	// }
-	var to_parts = (kvnd) => {
-	  const parts = {};
-	  parts.kvnd = kvnd;
-
-	  const kvndparts = kvnd.split('~', 2);
-	  if (kvndparts.length > 1) parts.d = kvndparts[1];
-
-	  parts.kvn = kvndparts[0];
-	  const kvnparts = parts.kvn.split('|', 2);
-	  if (kvnparts.length > 1) parts.n = kvnparts[1];
-
-	  parts.kv = kvnparts[0];
-	  const kvparts = parts.kv.split('/', 2);
-	  parts.k = kvparts[0];
-	  parts.v = kvparts[1];
-
-	  parts.nsimple = simplify(parts.n);
-	  parts.kvnsimple = parts.kv + '|' + parts.nsimple;
-	  return parts;
-	};
-
-	var matchGroups = {adult_gaming_centre:["amenity/casino","amenity/gambling","leisure/adult_gaming_centre"],beauty:["shop/beauty","shop/hairdresser_supply"],bed:["shop/bed","shop/furniture"],beverages:["shop/alcohol","shop/beverages"],camping:["leisure/park","tourism/camp_site","tourism/caravan_site"],car_parts:["shop/car_parts","shop/car_repair","shop/tires","shop/tyres"],confectionery:["shop/candy","shop/chocolate","shop/confectionery"],convenience:["shop/beauty","shop/chemist","shop/convenience","shop/cosmetics","shop/newsagent"],coworking:["amenity/coworking_space","office/coworking","office/coworking_space"],electronics:["office/telecommunication","shop/computer","shop/electronics","shop/hifi","shop/mobile","shop/mobile_phone","shop/telecommunication"],fashion:["shop/accessories","shop/bag","shop/botique","shop/clothes","shop/department_store","shop/fashion","shop/fashion_accessories","shop/sports","shop/shoes"],financial:["amenity/bank","office/accountant","office/financial","office/financial_advisor","office/tax_advisor","shop/tax"],fitness:["leisure/fitness_centre","leisure/fitness_center","leisure/sports_centre","leisure/sports_center"],food:["amenity/cafe","amenity/fast_food","amenity/ice_cream","amenity/restaurant","shop/bakery","shop/ice_cream","shop/pastry","shop/tea","shop/coffee"],fuel:["amenity/fuel","shop/gas","shop/convenience;gas","shop/gas;convenience"],gift:["shop/gift","shop/card","shop/cards","shop/stationery"],hardware:["shop/carpet","shop/diy","shop/doityourself","shop/doors","shop/electrical","shop/flooring","shop/hardware","shop/power_tools","shop/tool_hire","shop/tools","shop/trade"],health_food:["shop/health","shop/health_food","shop/herbalist","shop/nutrition_supplements"],houseware:["shop/houseware","shop/interior_decoration"],lodging:["tourism/hotel","tourism/motel"],money_transfer:["amenity/money_transfer","shop/money_transfer"],outdoor:["shop/outdoor","shop/sports"],rental:["amenity/bicycle_rental","amenity/boat_rental","amenity/car_rental","amenity/truck_rental","amenity/vehicle_rental","shop/rental"],school:["amenity/childcare","amenity/college","amenity/kindergarten","amenity/language_school","amenity/prep_school","amenity/school","amenity/university"],supermarket:["shop/food","shop/frozen_food","shop/greengrocer","shop/grocery","shop/supermarket","shop/wholesale"],variety_store:["shop/variety_store","shop/supermarket","shop/discount","shop/convenience"],vending:["amenity/vending_machine","shop/vending_machine"],wholesale:["shop/wholesale","shop/supermarket","shop/department_store"]};
-	var match_groups = {
-	matchGroups: matchGroups
-	};
-
-	var match_groups$1 = /*#__PURE__*/Object.freeze({
-		__proto__: null,
-		matchGroups: matchGroups,
-		'default': match_groups
-	});
-
-	var require$$0 = getCjsExportFromNamespace(match_groups$1);
-
-	const matchGroups$1 = require$$0.matchGroups;
-
-
-	var matcher$1 = () => {
-	  let _warnings = [];  // array of match conflict pairs
-	  let _ambiguous = {};
-	  let _matchIndex = {};
-	  let matcher = {};
-
-
-	  // Create an index of all the keys/simplenames for fast matching
-	  matcher.buildMatchIndex = (brands) => {
-	    // two passes - once for primary names, once for secondary/alternate names
-	    Object.keys(brands).forEach(kvnd => insertNames(kvnd, 'primary'));
-	    Object.keys(brands).forEach(kvnd => insertNames(kvnd, 'secondary'));
-
-
-	    function insertNames(kvnd, which) {
-	      const obj = brands[kvnd];
-	      const parts = to_parts(kvnd);
-
-	      // Exit early for ambiguous names in the second pass.
-	      // They were collected in the first pass and we don't gather alt names for them.
-	      if (which === 'secondary' && parts.d) return;
-
-
-	      if (obj.countryCodes) {
-	        parts.countryCodes = obj.countryCodes.slice();  // copy
-	      }
-
-	      const nomatches = (obj.nomatch || []);
-	      if (nomatches.some(s => s === kvnd)) {
-	        console.log(`WARNING match/nomatch conflict for ${kvnd}`);
-	        return;
-	      }
-
-	      const match_kv = [parts.kv]
-	        .concat(obj.matchTags || [])
-	        .concat([`${parts.k}/yes`, `building/yes`])   // #3454 - match some generic tags
-	        .map(s => s.toLowerCase());
-
-	      let match_nsimple = [];
-	      if (which === 'primary') {
-	        match_nsimple = [parts.n]
-	          .concat(obj.matchNames || [])
-	          .concat(obj.tags.official_name || [])   // #2732 - match alternate names
-	          .map(simplify);
-
-	      } else if (which === 'secondary') {
-	        match_nsimple = []
-	          .concat(obj.tags.alt_name || [])        // #2732 - match alternate names
-	          .concat(obj.tags.short_name || [])      // #2732 - match alternate names
-	          .map(simplify);
-	      }
-
-	      if (!match_nsimple.length) return;  // nothing to do
-
-	      match_kv.forEach(kv => {
-	        match_nsimple.forEach(nsimple => {
-	          if (parts.d) {
-	            // Known ambiguous names with disambiguation string ~(USA) / ~(Canada)
-	            // FIXME: Name collisions will overwrite the initial entry (ok for now)
-	            if (!_ambiguous[kv]) _ambiguous[kv] = {};
-	            _ambiguous[kv][nsimple] = parts;
-
-	          } else {
-	            // Names we mostly expect to be unique..
-	            if (!_matchIndex[kv]) _matchIndex[kv] = {};
-
-	            const m = _matchIndex[kv][nsimple];
-	            if (m) {  // There already is a match for this name, skip it
-	              // Warn if we detect collisions in a primary name.
-	              // Skip warning if a secondary name or a generic `*=yes` tag - #2972 / #3454
-	              if (which === 'primary' && !/\/yes$/.test(kv)) {
-	                _warnings.push([m.kvnd, `${kvnd} (${kv}/${nsimple})`]);
-	              }
-	            } else {
-	              _matchIndex[kv][nsimple] = parts;   // insert
-	            }
-	          }
-	        });
-	      });
-
-	    }
-	  };
-
-
-	  // pass a `key`, `value`, `name` and return the best match,
-	  // `countryCode` optional (if supplied, must match that too)
-	  matcher.matchKVN = (key, value, name, countryCode) => {
-	    return matcher.matchParts(to_parts(`${key}/${value}|${name}`), countryCode);
-	  };
-
-
-	  // pass a parts object and return the best match,
-	  // `countryCode` optional (if supplied, must match that too)
-	  matcher.matchParts = (parts, countryCode) => {
-	    let match = null;
-	    let inGroup = false;
-
-	    // fixme: we currently return a single match for ambiguous
-	    match = _ambiguous[parts.kv] && _ambiguous[parts.kv][parts.nsimple];
-	    if (match && matchesCountryCode(match)) return match;
-
-	    // try to return an exact match
-	    match = _matchIndex[parts.kv] && _matchIndex[parts.kv][parts.nsimple];
-	    if (match && matchesCountryCode(match)) return match;
-
-	    // look in match groups
-	    for (let mg in matchGroups$1) {
-	      const matchGroup = matchGroups$1[mg];
-	      match = null;
-	      inGroup = false;
-
-	      for (let i = 0; i < matchGroup.length; i++) {
-	        const otherkv = matchGroup[i].toLowerCase();
-	        if (!inGroup) {
-	          inGroup = otherkv === parts.kv;
-	        }
-	        if (!match) {
-	          // fixme: we currently return a single match for ambiguous
-	          match = _ambiguous[otherkv] && _ambiguous[otherkv][parts.nsimple];
-	        }
-	        if (!match) {
-	          match = _matchIndex[otherkv] && _matchIndex[otherkv][parts.nsimple];
-	        }
-
-	        if (match && !matchesCountryCode(match)) {
-	          match = null;
-	        }
-
-	        if (inGroup && match) {
-	          return match;
-	        }
-	      }
-	    }
-
-	    return null;
-
-	    function matchesCountryCode(match) {
-	      if (!countryCode) return true;
-	      if (!match.countryCodes) return true;
-	      return match.countryCodes.indexOf(countryCode) !== -1;
-	    }
-	  };
-
-
-	  matcher.getWarnings = () => _warnings;
-
-	  return matcher;
-	};
-
-	var quickselect$1 = createCommonjsModule(function (module, exports) {
-	(function (global, factory) {
-		 module.exports = factory() ;
-	}(commonjsGlobal, (function () {
-	function quickselect(arr, k, left, right, compare) {
-	    quickselectStep(arr, k, left || 0, right || (arr.length - 1), compare || defaultCompare);
-	}
-
-	function quickselectStep(arr, k, left, right, compare) {
-
-	    while (right > left) {
-	        if (right - left > 600) {
-	            var n = right - left + 1;
-	            var m = k - left + 1;
-	            var z = Math.log(n);
-	            var s = 0.5 * Math.exp(2 * z / 3);
-	            var sd = 0.5 * Math.sqrt(z * s * (n - s) / n) * (m - n / 2 < 0 ? -1 : 1);
-	            var newLeft = Math.max(left, Math.floor(k - m * s / n + sd));
-	            var newRight = Math.min(right, Math.floor(k + (n - m) * s / n + sd));
-	            quickselectStep(arr, k, newLeft, newRight, compare);
-	        }
-
-	        var t = arr[k];
-	        var i = left;
-	        var j = right;
-
-	        swap(arr, left, k);
-	        if (compare(arr[right], t) > 0) swap(arr, left, right);
-
-	        while (i < j) {
-	            swap(arr, i, j);
-	            i++;
-	            j--;
-	            while (compare(arr[i], t) < 0) i++;
-	            while (compare(arr[j], t) > 0) j--;
-	        }
-
-	        if (compare(arr[left], t) === 0) swap(arr, left, j);
-	        else {
-	            j++;
-	            swap(arr, j, right);
-	        }
-
-	        if (j <= k) left = j + 1;
-	        if (k <= j) right = j - 1;
-	    }
-	}
-
-	function swap(arr, i, j) {
-	    var tmp = arr[i];
-	    arr[i] = arr[j];
-	    arr[j] = tmp;
-	}
-
-	function defaultCompare(a, b) {
-	    return a < b ? -1 : a > b ? 1 : 0;
-	}
-
-	return quickselect;
-
-	})));
-	});
-
-	var rbush_1 = rbush;
-	var _default$2 = rbush;
-
-
-
-	function rbush(maxEntries, format) {
-	    if (!(this instanceof rbush)) return new rbush(maxEntries, format);
-
-	    // max entries in a node is 9 by default; min node fill is 40% for best performance
-	    this._maxEntries = Math.max(4, maxEntries || 9);
-	    this._minEntries = Math.max(2, Math.ceil(this._maxEntries * 0.4));
-
-	    if (format) {
-	        this._initFormat(format);
-	    }
-
-	    this.clear();
-	}
-
-	rbush.prototype = {
-
-	    all: function () {
-	        return this._all(this.data, []);
-	    },
-
-	    search: function (bbox) {
-
-	        var node = this.data,
-	            result = [],
-	            toBBox = this.toBBox;
-
-	        if (!intersects$1(bbox, node)) return result;
-
-	        var nodesToSearch = [],
-	            i, len, child, childBBox;
-
-	        while (node) {
-	            for (i = 0, len = node.children.length; i < len; i++) {
-
-	                child = node.children[i];
-	                childBBox = node.leaf ? toBBox(child) : child;
-
-	                if (intersects$1(bbox, childBBox)) {
-	                    if (node.leaf) result.push(child);
-	                    else if (contains$2(bbox, childBBox)) this._all(child, result);
-	                    else nodesToSearch.push(child);
-	                }
-	            }
-	            node = nodesToSearch.pop();
-	        }
-
-	        return result;
-	    },
-
-	    collides: function (bbox) {
-
-	        var node = this.data,
-	            toBBox = this.toBBox;
-
-	        if (!intersects$1(bbox, node)) return false;
-
-	        var nodesToSearch = [],
-	            i, len, child, childBBox;
-
-	        while (node) {
-	            for (i = 0, len = node.children.length; i < len; i++) {
-
-	                child = node.children[i];
-	                childBBox = node.leaf ? toBBox(child) : child;
-
-	                if (intersects$1(bbox, childBBox)) {
-	                    if (node.leaf || contains$2(bbox, childBBox)) return true;
-	                    nodesToSearch.push(child);
-	                }
-	            }
-	            node = nodesToSearch.pop();
-	        }
-
-	        return false;
-	    },
-
-	    load: function (data) {
-	        if (!(data && data.length)) return this;
-
-	        if (data.length < this._minEntries) {
-	            for (var i = 0, len = data.length; i < len; i++) {
-	                this.insert(data[i]);
-	            }
-	            return this;
-	        }
-
-	        // recursively build the tree with the given data from scratch using OMT algorithm
-	        var node = this._build(data.slice(), 0, data.length - 1, 0);
-
-	        if (!this.data.children.length) {
-	            // save as is if tree is empty
-	            this.data = node;
-
-	        } else if (this.data.height === node.height) {
-	            // split root if trees have the same height
-	            this._splitRoot(this.data, node);
-
-	        } else {
-	            if (this.data.height < node.height) {
-	                // swap trees if inserted one is bigger
-	                var tmpNode = this.data;
-	                this.data = node;
-	                node = tmpNode;
-	            }
-
-	            // insert the small tree into the large tree at appropriate level
-	            this._insert(node, this.data.height - node.height - 1, true);
-	        }
-
-	        return this;
-	    },
-
-	    insert: function (item) {
-	        if (item) this._insert(item, this.data.height - 1);
-	        return this;
-	    },
-
-	    clear: function () {
-	        this.data = createNode$1([]);
-	        return this;
-	    },
-
-	    remove: function (item, equalsFn) {
-	        if (!item) return this;
-
-	        var node = this.data,
-	            bbox = this.toBBox(item),
-	            path = [],
-	            indexes = [],
-	            i, parent, index, goingUp;
-
-	        // depth-first iterative tree traversal
-	        while (node || path.length) {
-
-	            if (!node) { // go up
-	                node = path.pop();
-	                parent = path[path.length - 1];
-	                i = indexes.pop();
-	                goingUp = true;
-	            }
-
-	            if (node.leaf) { // check current node
-	                index = findItem$1(item, node.children, equalsFn);
-
-	                if (index !== -1) {
-	                    // item found, remove the item and condense tree upwards
-	                    node.children.splice(index, 1);
-	                    path.push(node);
-	                    this._condense(path);
-	                    return this;
-	                }
-	            }
-
-	            if (!goingUp && !node.leaf && contains$2(node, bbox)) { // go down
-	                path.push(node);
-	                indexes.push(i);
-	                i = 0;
-	                parent = node;
-	                node = node.children[0];
-
-	            } else if (parent) { // go right
-	                i++;
-	                node = parent.children[i];
-	                goingUp = false;
-
-	            } else node = null; // nothing found
-	        }
-
-	        return this;
-	    },
-
-	    toBBox: function (item) { return item; },
-
-	    compareMinX: compareNodeMinX$1,
-	    compareMinY: compareNodeMinY$1,
-
-	    toJSON: function () { return this.data; },
-
-	    fromJSON: function (data) {
-	        this.data = data;
-	        return this;
-	    },
-
-	    _all: function (node, result) {
-	        var nodesToSearch = [];
-	        while (node) {
-	            if (node.leaf) result.push.apply(result, node.children);
-	            else nodesToSearch.push.apply(nodesToSearch, node.children);
-
-	            node = nodesToSearch.pop();
-	        }
-	        return result;
-	    },
-
-	    _build: function (items, left, right, height) {
-
-	        var N = right - left + 1,
-	            M = this._maxEntries,
-	            node;
-
-	        if (N <= M) {
-	            // reached leaf level; return leaf
-	            node = createNode$1(items.slice(left, right + 1));
-	            calcBBox$1(node, this.toBBox);
-	            return node;
-	        }
-
-	        if (!height) {
-	            // target height of the bulk-loaded tree
-	            height = Math.ceil(Math.log(N) / Math.log(M));
-
-	            // target number of root entries to maximize storage utilization
-	            M = Math.ceil(N / Math.pow(M, height - 1));
-	        }
-
-	        node = createNode$1([]);
-	        node.leaf = false;
-	        node.height = height;
-
-	        // split the items into M mostly square tiles
-
-	        var N2 = Math.ceil(N / M),
-	            N1 = N2 * Math.ceil(Math.sqrt(M)),
-	            i, j, right2, right3;
-
-	        multiSelect$1(items, left, right, N1, this.compareMinX);
-
-	        for (i = left; i <= right; i += N1) {
-
-	            right2 = Math.min(i + N1 - 1, right);
-
-	            multiSelect$1(items, i, right2, N2, this.compareMinY);
-
-	            for (j = i; j <= right2; j += N2) {
-
-	                right3 = Math.min(j + N2 - 1, right2);
-
-	                // pack each entry recursively
-	                node.children.push(this._build(items, j, right3, height - 1));
-	            }
-	        }
-
-	        calcBBox$1(node, this.toBBox);
-
-	        return node;
-	    },
-
-	    _chooseSubtree: function (bbox, node, level, path) {
-
-	        var i, len, child, targetNode, area, enlargement, minArea, minEnlargement;
-
-	        while (true) {
-	            path.push(node);
-
-	            if (node.leaf || path.length - 1 === level) break;
-
-	            minArea = minEnlargement = Infinity;
-
-	            for (i = 0, len = node.children.length; i < len; i++) {
-	                child = node.children[i];
-	                area = bboxArea$1(child);
-	                enlargement = enlargedArea$1(bbox, child) - area;
-
-	                // choose entry with the least area enlargement
-	                if (enlargement < minEnlargement) {
-	                    minEnlargement = enlargement;
-	                    minArea = area < minArea ? area : minArea;
-	                    targetNode = child;
-
-	                } else if (enlargement === minEnlargement) {
-	                    // otherwise choose one with the smallest area
-	                    if (area < minArea) {
-	                        minArea = area;
-	                        targetNode = child;
-	                    }
-	                }
-	            }
-
-	            node = targetNode || node.children[0];
-	        }
-
-	        return node;
-	    },
-
-	    _insert: function (item, level, isNode) {
-
-	        var toBBox = this.toBBox,
-	            bbox = isNode ? item : toBBox(item),
-	            insertPath = [];
-
-	        // find the best node for accommodating the item, saving all nodes along the path too
-	        var node = this._chooseSubtree(bbox, this.data, level, insertPath);
-
-	        // put the item into the node
-	        node.children.push(item);
-	        extend$3(node, bbox);
-
-	        // split on node overflow; propagate upwards if necessary
-	        while (level >= 0) {
-	            if (insertPath[level].children.length > this._maxEntries) {
-	                this._split(insertPath, level);
-	                level--;
-	            } else break;
-	        }
-
-	        // adjust bboxes along the insertion path
-	        this._adjustParentBBoxes(bbox, insertPath, level);
-	    },
-
-	    // split overflowed node into two
-	    _split: function (insertPath, level) {
-
-	        var node = insertPath[level],
-	            M = node.children.length,
-	            m = this._minEntries;
-
-	        this._chooseSplitAxis(node, m, M);
-
-	        var splitIndex = this._chooseSplitIndex(node, m, M);
-
-	        var newNode = createNode$1(node.children.splice(splitIndex, node.children.length - splitIndex));
-	        newNode.height = node.height;
-	        newNode.leaf = node.leaf;
-
-	        calcBBox$1(node, this.toBBox);
-	        calcBBox$1(newNode, this.toBBox);
-
-	        if (level) insertPath[level - 1].children.push(newNode);
-	        else this._splitRoot(node, newNode);
-	    },
-
-	    _splitRoot: function (node, newNode) {
-	        // split root node
-	        this.data = createNode$1([node, newNode]);
-	        this.data.height = node.height + 1;
-	        this.data.leaf = false;
-	        calcBBox$1(this.data, this.toBBox);
-	    },
-
-	    _chooseSplitIndex: function (node, m, M) {
-
-	        var i, bbox1, bbox2, overlap, area, minOverlap, minArea, index;
-
-	        minOverlap = minArea = Infinity;
-
-	        for (i = m; i <= M - m; i++) {
-	            bbox1 = distBBox$1(node, 0, i, this.toBBox);
-	            bbox2 = distBBox$1(node, i, M, this.toBBox);
-
-	            overlap = intersectionArea$1(bbox1, bbox2);
-	            area = bboxArea$1(bbox1) + bboxArea$1(bbox2);
-
-	            // choose distribution with minimum overlap
-	            if (overlap < minOverlap) {
-	                minOverlap = overlap;
-	                index = i;
-
-	                minArea = area < minArea ? area : minArea;
-
-	            } else if (overlap === minOverlap) {
-	                // otherwise choose distribution with minimum area
-	                if (area < minArea) {
-	                    minArea = area;
-	                    index = i;
-	                }
-	            }
-	        }
-
-	        return index;
-	    },
-
-	    // sorts node children by the best axis for split
-	    _chooseSplitAxis: function (node, m, M) {
-
-	        var compareMinX = node.leaf ? this.compareMinX : compareNodeMinX$1,
-	            compareMinY = node.leaf ? this.compareMinY : compareNodeMinY$1,
-	            xMargin = this._allDistMargin(node, m, M, compareMinX),
-	            yMargin = this._allDistMargin(node, m, M, compareMinY);
-
-	        // if total distributions margin value is minimal for x, sort by minX,
-	        // otherwise it's already sorted by minY
-	        if (xMargin < yMargin) node.children.sort(compareMinX);
-	    },
-
-	    // total margin of all possible split distributions where each node is at least m full
-	    _allDistMargin: function (node, m, M, compare) {
-
-	        node.children.sort(compare);
-
-	        var toBBox = this.toBBox,
-	            leftBBox = distBBox$1(node, 0, m, toBBox),
-	            rightBBox = distBBox$1(node, M - m, M, toBBox),
-	            margin = bboxMargin$1(leftBBox) + bboxMargin$1(rightBBox),
-	            i, child;
-
-	        for (i = m; i < M - m; i++) {
-	            child = node.children[i];
-	            extend$3(leftBBox, node.leaf ? toBBox(child) : child);
-	            margin += bboxMargin$1(leftBBox);
-	        }
-
-	        for (i = M - m - 1; i >= m; i--) {
-	            child = node.children[i];
-	            extend$3(rightBBox, node.leaf ? toBBox(child) : child);
-	            margin += bboxMargin$1(rightBBox);
-	        }
-
-	        return margin;
-	    },
-
-	    _adjustParentBBoxes: function (bbox, path, level) {
-	        // adjust bboxes along the given tree path
-	        for (var i = level; i >= 0; i--) {
-	            extend$3(path[i], bbox);
-	        }
-	    },
-
-	    _condense: function (path) {
-	        // go through the path, removing empty nodes and updating bboxes
-	        for (var i = path.length - 1, siblings; i >= 0; i--) {
-	            if (path[i].children.length === 0) {
-	                if (i > 0) {
-	                    siblings = path[i - 1].children;
-	                    siblings.splice(siblings.indexOf(path[i]), 1);
-
-	                } else this.clear();
-
-	            } else calcBBox$1(path[i], this.toBBox);
-	        }
-	    },
-
-	    _initFormat: function (format) {
-	        // data format (minX, minY, maxX, maxY accessors)
-
-	        // uses eval-type function compilation instead of just accepting a toBBox function
-	        // because the algorithms are very sensitive to sorting functions performance,
-	        // so they should be dead simple and without inner calls
-
-	        var compareArr = ['return a', ' - b', ';'];
-
-	        this.compareMinX = new Function('a', 'b', compareArr.join(format[0]));
-	        this.compareMinY = new Function('a', 'b', compareArr.join(format[1]));
-
-	        this.toBBox = new Function('a',
-	            'return {minX: a' + format[0] +
-	            ', minY: a' + format[1] +
-	            ', maxX: a' + format[2] +
-	            ', maxY: a' + format[3] + '};');
-	    }
-	};
-
-	function findItem$1(item, items, equalsFn) {
-	    if (!equalsFn) return items.indexOf(item);
-
-	    for (var i = 0; i < items.length; i++) {
-	        if (equalsFn(item, items[i])) return i;
-	    }
-	    return -1;
-	}
-
-	// calculate node's bbox from bboxes of its children
-	function calcBBox$1(node, toBBox) {
-	    distBBox$1(node, 0, node.children.length, toBBox, node);
-	}
-
-	// min bounding rectangle of node children from k to p-1
-	function distBBox$1(node, k, p, toBBox, destNode) {
-	    if (!destNode) destNode = createNode$1(null);
-	    destNode.minX = Infinity;
-	    destNode.minY = Infinity;
-	    destNode.maxX = -Infinity;
-	    destNode.maxY = -Infinity;
-
-	    for (var i = k, child; i < p; i++) {
-	        child = node.children[i];
-	        extend$3(destNode, node.leaf ? toBBox(child) : child);
-	    }
-
-	    return destNode;
-	}
-
-	function extend$3(a, b) {
-	    a.minX = Math.min(a.minX, b.minX);
-	    a.minY = Math.min(a.minY, b.minY);
-	    a.maxX = Math.max(a.maxX, b.maxX);
-	    a.maxY = Math.max(a.maxY, b.maxY);
-	    return a;
-	}
-
-	function compareNodeMinX$1(a, b) { return a.minX - b.minX; }
-	function compareNodeMinY$1(a, b) { return a.minY - b.minY; }
-
-	function bboxArea$1(a)   { return (a.maxX - a.minX) * (a.maxY - a.minY); }
-	function bboxMargin$1(a) { return (a.maxX - a.minX) + (a.maxY - a.minY); }
-
-	function enlargedArea$1(a, b) {
-	    return (Math.max(b.maxX, a.maxX) - Math.min(b.minX, a.minX)) *
-	           (Math.max(b.maxY, a.maxY) - Math.min(b.minY, a.minY));
-	}
-
-	function intersectionArea$1(a, b) {
-	    var minX = Math.max(a.minX, b.minX),
-	        minY = Math.max(a.minY, b.minY),
-	        maxX = Math.min(a.maxX, b.maxX),
-	        maxY = Math.min(a.maxY, b.maxY);
-
-	    return Math.max(0, maxX - minX) *
-	           Math.max(0, maxY - minY);
-	}
-
-	function contains$2(a, b) {
-	    return a.minX <= b.minX &&
-	           a.minY <= b.minY &&
-	           b.maxX <= a.maxX &&
-	           b.maxY <= a.maxY;
-	}
-
-	function intersects$1(a, b) {
-	    return b.minX <= a.maxX &&
-	           b.minY <= a.maxY &&
-	           b.maxX >= a.minX &&
-	           b.maxY >= a.minY;
-	}
-
-	function createNode$1(children) {
-	    return {
-	        children: children,
-	        height: 1,
-	        leaf: true,
-	        minX: Infinity,
-	        minY: Infinity,
-	        maxX: -Infinity,
-	        maxY: -Infinity
-	    };
-	}
-
-	// sort an array so that items come in groups of n unsorted items, with groups sorted between each other;
-	// combines selection algorithm with binary divide & conquer approach
-
-	function multiSelect$1(arr, left, right, n, compare) {
-	    var stack = [left, right],
-	        mid;
-
-	    while (stack.length) {
-	        right = stack.pop();
-	        left = stack.pop();
-
-	        if (right - left <= n) continue;
-
-	        mid = left + Math.ceil((right - left) / n / 2) * n;
-	        quickselect$1(arr, mid, left, right, compare);
-
-	        stack.push(left, mid, mid, right);
-	    }
-	}
-	rbush_1.default = _default$2;
-
-	var lineclip_1$1 = lineclip$1;
-
-	lineclip$1.polyline = lineclip$1;
-	lineclip$1.polygon = polygonclip$1;
-
-
-	// Cohen-Sutherland line clippign algorithm, adapted to efficiently
-	// handle polylines rather than just segments
-
-	function lineclip$1(points, bbox, result) {
-
-	    var len = points.length,
-	        codeA = bitCode$1(points[0], bbox),
-	        part = [],
-	        i, a, b, codeB, lastCode;
-
-	    if (!result) result = [];
-
-	    for (i = 1; i < len; i++) {
-	        a = points[i - 1];
-	        b = points[i];
-	        codeB = lastCode = bitCode$1(b, bbox);
-
-	        while (true) {
-
-	            if (!(codeA | codeB)) { // accept
-	                part.push(a);
-
-	                if (codeB !== lastCode) { // segment went outside
-	                    part.push(b);
-
-	                    if (i < len - 1) { // start a new line
-	                        result.push(part);
-	                        part = [];
-	                    }
-	                } else if (i === len - 1) {
-	                    part.push(b);
-	                }
-	                break;
-
-	            } else if (codeA & codeB) { // trivial reject
-	                break;
-
-	            } else if (codeA) { // a outside, intersect with clip edge
-	                a = intersect$1(a, b, codeA, bbox);
-	                codeA = bitCode$1(a, bbox);
-
-	            } else { // b outside
-	                b = intersect$1(a, b, codeB, bbox);
-	                codeB = bitCode$1(b, bbox);
-	            }
-	        }
-
-	        codeA = lastCode;
-	    }
-
-	    if (part.length) result.push(part);
-
-	    return result;
-	}
-
-	// Sutherland-Hodgeman polygon clipping algorithm
-
-	function polygonclip$1(points, bbox) {
-
-	    var result, edge, prev, prevInside, i, p, inside;
-
-	    // clip against each side of the clip rectangle
-	    for (edge = 1; edge <= 8; edge *= 2) {
-	        result = [];
-	        prev = points[points.length - 1];
-	        prevInside = !(bitCode$1(prev, bbox) & edge);
-
-	        for (i = 0; i < points.length; i++) {
-	            p = points[i];
-	            inside = !(bitCode$1(p, bbox) & edge);
-
-	            // if segment goes through the clip window, add an intersection
-	            if (inside !== prevInside) result.push(intersect$1(prev, p, edge, bbox));
-
-	            if (inside) result.push(p); // add a point if it's inside
-
-	            prev = p;
-	            prevInside = inside;
-	        }
-
-	        points = result;
-
-	        if (!points.length) break;
-	    }
-
-	    return result;
-	}
-
-	// intersect a segment against one of the 4 lines that make up the bbox
-
-	function intersect$1(a, b, edge, bbox) {
-	    return edge & 8 ? [a[0] + (b[0] - a[0]) * (bbox[3] - a[1]) / (b[1] - a[1]), bbox[3]] : // top
-	           edge & 4 ? [a[0] + (b[0] - a[0]) * (bbox[1] - a[1]) / (b[1] - a[1]), bbox[1]] : // bottom
-	           edge & 2 ? [bbox[2], a[1] + (b[1] - a[1]) * (bbox[2] - a[0]) / (b[0] - a[0])] : // right
-	           edge & 1 ? [bbox[0], a[1] + (b[1] - a[1]) * (bbox[0] - a[0]) / (b[0] - a[0])] : // left
-	           null;
-	}
-
-	// bit code reflects the point position relative to the bbox:
-
-	//         left  mid  right
-	//    top  1001  1000  1010
-	//    mid  0001  0000  0010
-	// bottom  0101  0100  0110
-
-	function bitCode$1(p, bbox) {
-	    var code = 0;
-
-	    if (p[0] < bbox[0]) code |= 1; // left
-	    else if (p[0] > bbox[2]) code |= 2; // right
-
-	    if (p[1] < bbox[1]) code |= 4; // bottom
-	    else if (p[1] > bbox[3]) code |= 8; // top
-
-	    return code;
-	}
-
-	var whichPolygon_1 = whichPolygon;
-
-	function whichPolygon(data) {
-	    var bboxes = [];
-	    for (var i = 0; i < data.features.length; i++) {
-	        var feature = data.features[i];
-	        var coords = feature.geometry.coordinates;
-
-	        if (feature.geometry.type === 'Polygon') {
-	            bboxes.push(treeItem(coords, feature.properties));
-
-	        } else if (feature.geometry.type === 'MultiPolygon') {
-	            for (var j = 0; j < coords.length; j++) {
-	                bboxes.push(treeItem(coords[j], feature.properties));
-	            }
-	        }
-	    }
-
-	    var tree = rbush_1().load(bboxes);
-
-	    function query(p, multi) {
-	        var output = [],
-	            result = tree.search({
-	                minX: p[0],
-	                minY: p[1],
-	                maxX: p[0],
-	                maxY: p[1]
-	            });
-	        for (var i = 0; i < result.length; i++) {
-	            if (insidePolygon(result[i].coords, p)) {
-	                if (multi)
-	                    output.push(result[i].props);
-	                else
-	                    return result[i].props;
-	            }
-	        }
-	        return multi && output.length ? output : null;
-	    }
-
-	    query.tree = tree;
-	    query.bbox = function queryBBox(bbox) {
-	        var output = [];
-	        var result = tree.search({
-	            minX: bbox[0],
-	            minY: bbox[1],
-	            maxX: bbox[2],
-	            maxY: bbox[3]
-	        });
-	        for (var i = 0; i < result.length; i++) {
-	            if (polygonIntersectsBBox(result[i].coords, bbox)) {
-	                output.push(result[i].props);
-	            }
-	        }
-	        return output;
-	    };
-
-	    return query;
-	}
-
-	function polygonIntersectsBBox(polygon, bbox) {
-	    var bboxCenter = [
-	        (bbox[0] + bbox[2]) / 2,
-	        (bbox[1] + bbox[3]) / 2
-	    ];
-	    if (insidePolygon(polygon, bboxCenter)) return true;
-	    for (var i = 0; i < polygon.length; i++) {
-	        if (lineclip_1$1(polygon[i], bbox).length > 0) return true;
-	    }
-	    return false;
-	}
-
-	// ray casting algorithm for detecting if point is in polygon
-	function insidePolygon(rings, p) {
-	    var inside = false;
-	    for (var i = 0, len = rings.length; i < len; i++) {
-	        var ring = rings[i];
-	        for (var j = 0, len2 = ring.length, k = len2 - 1; j < len2; k = j++) {
-	            if (rayIntersect(p, ring[j], ring[k])) inside = !inside;
-	        }
-	    }
-	    return inside;
-	}
-
-	function rayIntersect(p, p1, p2) {
-	    return ((p1[1] > p[1]) !== (p2[1] > p[1])) && (p[0] < (p2[0] - p1[0]) * (p[1] - p1[1]) / (p2[1] - p1[1]) + p1[0]);
-	}
-
-	function treeItem(coords, props) {
-	    var item = {
-	        minX: Infinity,
-	        minY: Infinity,
-	        maxX: -Infinity,
-	        maxY: -Infinity,
-	        coords: coords,
-	        props: props
-	    };
-
-	    for (var i = 0; i < coords[0].length; i++) {
-	        var p = coords[0][i];
-	        item.minX = Math.min(item.minX, p[0]);
-	        item.minY = Math.min(item.minY, p[1]);
-	        item.maxX = Math.max(item.maxX, p[0]);
-	        item.maxY = Math.max(item.maxY, p[1]);
-	    }
-	    return item;
-	}
-
-	var type = "FeatureCollection";
-	var features = [{type:"Feature",properties:{m49:"680",wikidata:"Q3405693",nameEn:"Sark",country:"GB",groups:["GG","830","154","150"],level:"subterritory",driveSide:"left",roadSpeedUnit:"mph",callingCodes:["44 01481"]},geometry:{type:"MultiPolygon",coordinates:[[[[-2.36485,49.48223],[-2.65349,49.15373],[-2.09454,49.46288],[-2.36485,49.48223]]]]}},{type:"Feature",properties:{m49:"001",wikidata:"Q2",nameEn:"World",aliases:["Earth","Planet"],level:"world"},geometry:null},{type:"Feature",properties:{m49:"142",wikidata:"Q48",nameEn:"Asia",level:"region"},geometry:null},{type:"Feature",properties:{m49:"143",wikidata:"Q27275",nameEn:"Central Asia",groups:["142"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"145",wikidata:"Q27293",nameEn:"Western Asia",groups:["142"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"150",wikidata:"Q46",nameEn:"Europe",level:"region"},geometry:null},{type:"Feature",properties:{m49:"151",wikidata:"Q27468",nameEn:"Eastern Europe",groups:["150"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"154",wikidata:"Q27479",nameEn:"Northern Europe",groups:["150"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"155",wikidata:"Q27496",nameEn:"Western Europe",groups:["150"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"202",wikidata:"Q132959",nameEn:"Sub-Saharan Africa",groups:["002"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"419",wikidata:"Q72829598",nameEn:"Latin America and the Caribbean",groups:["019"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"830",wikidata:"Q42314",nameEn:"Channel Islands",groups:["150","154"],level:"intermediateRegion"},geometry:null},{type:"Feature",properties:{m49:"019",wikidata:"Q828",nameEn:"Americas",level:"region"},geometry:null},{type:"Feature",properties:{m49:"029",wikidata:"Q664609",nameEn:"Caribbean",groups:["419","019","003"],level:"intermediateRegion"},geometry:null},{type:"Feature",properties:{m49:"034",wikidata:"Q771405",nameEn:"Southern Asia",groups:["142"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"002",wikidata:"Q15",nameEn:"Africa",level:"region"},geometry:null},{type:"Feature",properties:{m49:"003",wikidata:"Q49",nameEn:"North America",groups:["019"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"017",wikidata:"Q27433",nameEn:"Middle Africa",groups:["202","002"],level:"intermediateRegion"},geometry:null},{type:"Feature",properties:{m49:"039",wikidata:"Q27449",nameEn:"Southern Europe",groups:["150"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"005",wikidata:"Q18",nameEn:"South America",groups:["419","019"],level:"intermediateRegion"},geometry:null},{type:"Feature",properties:{m49:"009",wikidata:"Q538",nameEn:"Oceania",level:"region"},geometry:null},{type:"Feature",properties:{m49:"061",wikidata:"Q35942",nameEn:"Polynesia",groups:["009"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"014",wikidata:"Q27407",nameEn:"Eastern Africa",groups:["202","002"],level:"intermediateRegion"},geometry:null},{type:"Feature",properties:{m49:"053",wikidata:"Q45256",nameEn:"Australia and New Zealand",aliases:["Australasia"],groups:["009"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"011",wikidata:"Q4412",nameEn:"Western Africa",groups:["202","002"],level:"intermediateRegion"},geometry:null},{type:"Feature",properties:{m49:"013",wikidata:"Q27611",nameEn:"Central America",groups:["419","019","003"],level:"intermediateRegion"},geometry:null},{type:"Feature",properties:{m49:"021",wikidata:"Q2017699",nameEn:"Northern America",groups:["019","003"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"035",wikidata:"Q11708",nameEn:"South-eastern Asia",groups:["142"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"018",wikidata:"Q27394",nameEn:"Southern Africa",groups:["202","002"],level:"intermediateRegion"},geometry:null},{type:"Feature",properties:{m49:"030",wikidata:"Q27231",nameEn:"Eastern Asia",groups:["142"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"015",wikidata:"Q27381",nameEn:"Northern Africa",groups:["002"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"054",wikidata:"Q37394",nameEn:"Melanesia",groups:["009"],level:"subregion"},geometry:null},{type:"Feature",properties:{m49:"057",wikidata:"Q3359409",nameEn:"Micronesia",groups:["009"],level:"subregion"},geometry:null},{type:"Feature",properties:{iso1A2:"AC",iso1A3:"ASC",wikidata:"Q46197",nameEn:"Ascension 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-	let whichPolygonGetter = {};
-	let featuresByCode = {};
-	let idFilterRegex = /\bThe\b|\bthe\b|\band\b|\bof\b|[-_ .,()&[\]/]/g;
-	let levels = [
-	  'subterritory',
-	  'territory',
-	  'country',
-	  'intermediateRegion',
-	  'subregion',
-	  'region',
-	  'union',
-	  'world'
-	];
-	loadDerivedDataAndCaches(borders);
-	function loadDerivedDataAndCaches(borders) {
-	  let identifierProps = ['iso1A2', 'iso1A3', 'm49', 'wikidata', 'emojiFlag', 'nameEn'];
-	  let geometryFeatures = [];
-	  for (let i in borders.features) {
-	    let feature = borders.features[i];
-	    feature.properties.id = feature.properties.iso1A2 || feature.properties.m49;
-	    loadM49(feature);
-	    loadIsoStatus(feature);
-	    loadLevel(feature);
-	    loadGroups(feature);
-	    loadRoadSpeedUnit(feature);
-	    loadDriveSide(feature);
-	    loadFlag(feature);
-	    cacheFeatureByIDs(feature);
-	    if (feature.geometry) geometryFeatures.push(feature);
-	  }
-	  for (let i in borders.features) {
-	    let feature = borders.features[i];
-	    feature.properties.groups.sort(function(groupID1, groupID2) {
-	      return (
-	        levels.indexOf(featuresByCode[groupID1].properties.level) -
-	        levels.indexOf(featuresByCode[groupID2].properties.level)
-	      );
-	    });
-	    loadMembersForGroupsOf(feature);
-	  }
-	  let geometryOnlyCollection = {
-	    type: 'RegionFeatureCollection',
-	    features: geometryFeatures
-	  };
-	  whichPolygonGetter = whichPolygon_1(geometryOnlyCollection);
-	  function loadGroups(feature) {
-	    let props = feature.properties;
-	    if (!props.groups) {
-	      props.groups = [];
-	    }
-	    if (props.country) {
-	      props.groups.push(props.country);
-	    }
-	    if (props.m49 !== '001') {
-	      props.groups.push('001');
-	    }
-	  }
-	  function loadM49(feature) {
-	    let props = feature.properties;
-	    if (!props.m49 && props.iso1N3) {
-	      props.m49 = props.iso1N3;
-	    }
-	  }
-	  function loadIsoStatus(feature) {
-	    let props = feature.properties;
-	    if (!props.isoStatus && props.iso1A2) {
-	      props.isoStatus = 'official';
-	    }
-	  }
-	  function loadLevel(feature) {
-	    let props = feature.properties;
-	    if (props.level) return;
-	    if (!props.country) {
-	      props.level = 'country';
-	    } else if (props.isoStatus === 'official') {
-	      props.level = 'territory';
-	    } else {
-	      props.level = 'subterritory';
-	    }
-	  }
-	  function loadRoadSpeedUnit(feature) {
-	    let props = feature.properties;
-	    if (props.roadSpeedUnit === undefined && props.iso1A2 && props.iso1A2 !== 'EU') {
-	      props.roadSpeedUnit = 'km/h';
-	    }
-	  }
-	  function loadDriveSide(feature) {
-	    let props = feature.properties;
-	    if (props.driveSide === undefined && props.iso1A2 && props.iso1A2 !== 'EU') {
-	      props.driveSide = 'right';
-	    }
-	  }
-	  function loadFlag(feature) {
-	    if (!feature.properties.iso1A2) return;
-	    let flag = feature.properties.iso1A2.replace(/./g, function(char) {
-	      return String.fromCodePoint(char.charCodeAt(0) + 127397);
-	    });
-	    feature.properties.emojiFlag = flag;
-	  }
-	  function loadMembersForGroupsOf(feature) {
-	    let featureID = feature.properties.id;
-	    let standardizedGroupIDs = [];
-	    for (let j in feature.properties.groups) {
-	      let groupID = feature.properties.groups[j];
-	      let groupFeature = featuresByCode[groupID];
-	      standardizedGroupIDs.push(groupFeature.properties.id);
-	      if (groupFeature.properties.members) {
-	        groupFeature.properties.members.push(featureID);
-	      } else {
-	        groupFeature.properties.members = [featureID];
-	      }
-	    }
-	    feature.properties.groups = standardizedGroupIDs;
-	  }
-	  function cacheFeatureByIDs(feature) {
-	    for (let k in identifierProps) {
-	      let prop = identifierProps[k];
-	      let id = prop && feature.properties[prop];
-	      if (id) {
-	        id = id.replace(idFilterRegex, '').toUpperCase();
-	        featuresByCode[id] = feature;
-	      }
-	    }
-	    if (feature.properties.aliases) {
-	      for (let j in feature.properties.aliases) {
-	        let alias = feature.properties.aliases[j].replace(idFilterRegex, '').toUpperCase();
-	        featuresByCode[alias] = feature;
-	      }
-	    }
-	  }
-	}
-	function locArray(loc) {
-	  if (Array.isArray(loc)) {
-	    return loc;
-	  } else if (loc.coordinates) {
-	    return loc.coordinates;
-	  }
-	  return loc.geometry.coordinates;
-	}
-	function smallestFeature(loc) {
-	  let query = locArray(loc);
-	  let featureProperties = whichPolygonGetter(query);
-	  if (!featureProperties) return null;
-	  return featuresByCode[featureProperties.id];
-	}
-	function countryFeature(loc) {
-	  let feature = smallestFeature(loc);
-	  if (!feature) return null;
-	  let countryCode = feature.properties.country || feature.properties.iso1A2;
-	  return featuresByCode[countryCode];
-	}
-	function featureForLoc(loc, opts) {
-	  if (opts && opts.level && opts.level !== 'country') {
-	    let features = featuresContaining(loc);
-	    let targetLevel = opts.level;
-	    let targetLevelIndex = levels.indexOf(targetLevel);
-	    if (targetLevelIndex === -1) return null;
-	    for (let i in features) {
-	      let feature = features[i];
-	      if (
-	        feature.properties.level === targetLevel ||
-	        levels.indexOf(feature.properties.level) > targetLevelIndex
-	      ) {
-	        return feature;
-	      }
-	    }
-	    return null;
-	  }
-	  return countryFeature(loc);
-	}
-	function featureForID(id) {
-	  let stringID;
-	  if (typeof id === 'number') {
-	    stringID = id.toString();
-	    if (stringID.length === 1) {
-	      stringID = '00' + stringID;
-	    } else if (stringID.length === 2) {
-	      stringID = '0' + stringID;
-	    }
-	  } else {
-	    stringID = id.replace(idFilterRegex, '').toUpperCase();
-	  }
-	  return featuresByCode[stringID] || null;
-	}
-	function smallestOrMatchingFeature(query) {
-	  if (typeof query === 'object') {
-	    return smallestFeature(query);
-	  }
-	  return featureForID(query);
-	}
-	function feature(query, opts) {
-	  if (typeof query === 'object') {
-	    return featureForLoc(query, opts);
-	  }
-	  return featureForID(query);
-	}
-	function iso1A2Code(query, opts) {
-	  let match = feature(query, opts);
-	  if (!match) return null;
-	  return match.properties.iso1A2 || null;
-	}
-	function featuresContaining(query, strict) {
-	  let feature = smallestOrMatchingFeature(query);
-	  if (!feature) return [];
-	  let features = [];
-	  if (!strict || typeof query === 'object') {
-	    features.push(feature);
-	  }
-	  let properties = feature.properties;
-	  for (let i in properties.groups) {
-	    let groupID = properties.groups[i];
-	    features.push(featuresByCode[groupID]);
-	  }
-	  return features;
-	}
-	function roadSpeedUnit(query) {
-	  let feature = smallestOrMatchingFeature(query);
-	  return (feature && feature.properties.roadSpeedUnit) || null;
-	}
-
-	let _dataDeprecated;
-	let _nsi;
-
-	function validationOutdatedTags() {
-	  const type = 'outdated_tags';
-	  const nsiKeys = ['amenity', 'shop', 'tourism', 'leisure', 'office'];
-
-	  // A concern here in switching to async data means that `_dataDeprecated`
-	  // and `_nsi` will not be available at first, so the data on early tiles
-	  // may not have tags validated fully.
-
-	  // initialize deprecated tags array
-	  _mainFileFetcher.get('deprecated')
-	    .then(d => _dataDeprecated = d)
-	    .catch(() => { /* ignore */ });
-
-	  _mainFileFetcher.get('nsi_brands')
-	    .then(d => {
-	      _nsi = {
-	        brands: d.brands,
-	        matcher: matcher$1(),
-	        wikidata: {},
-	        wikipedia: {}
-	      };
-
-	      // initialize name-suggestion-index matcher
-	      _nsi.matcher.buildMatchIndex(d.brands);
-
-	      // index all known wikipedia and wikidata tags
-	      Object.keys(d.brands).forEach(kvnd => {
-	        const brand = d.brands[kvnd];
-	        const wd = brand.tags['brand:wikidata'];
-	        const wp = brand.tags['brand:wikipedia'];
-	        if (wd) { _nsi.wikidata[wd] = kvnd; }
-	        if (wp) { _nsi.wikipedia[wp] = kvnd; }
-	      });
-
-	      return _nsi;
-	    })
-	    .catch(() => { /* ignore */ });
-
-
-	  function oldTagIssues(entity, graph) {
-	    const oldTags = Object.assign({}, entity.tags);  // shallow copy
-	    let preset = _mainPresetIndex.match(entity, graph);
-	    let subtype = 'deprecated_tags';
-	    if (!preset) return [];
-
-	    // upgrade preset..
-	    if (preset.replacement) {
-	      const newPreset = _mainPresetIndex.item(preset.replacement);
-	      graph = actionChangePreset(entity.id, preset, newPreset, true /* skip field defaults */)(graph);
-	      entity = graph.entity(entity.id);
-	      preset = newPreset;
-	    }
-
-	    // upgrade tags..
-	    if (_dataDeprecated) {
-	      const deprecatedTags = entity.deprecatedTags(_dataDeprecated);
-	      if (deprecatedTags.length) {
-	        deprecatedTags.forEach(tag => {
-	          graph = actionUpgradeTags(entity.id, tag.old, tag.replace)(graph);
-	        });
-	        entity = graph.entity(entity.id);
-	      }
-	    }
-
-	    // add missing addTags..
-	    let newTags = Object.assign({}, entity.tags);  // shallow copy
-	    if (preset.tags !== preset.addTags) {
-	      Object.keys(preset.addTags).forEach(k => {
-	        if (!newTags[k]) {
-	          if (preset.addTags[k] === '*') {
-	            newTags[k] = 'yes';
-	          } else {
-	            newTags[k] = preset.addTags[k];
-	          }
-	        }
-	      });
-	    }
-
-	    if (_nsi) {
-	      // Do `wikidata` or `wikipedia` identify this entity as a brand?  #6416
-	      // If so, these tags can be swapped to `brand:wikidata`/`brand:wikipedia`
-	      let isBrand;
-	      if (newTags.wikidata) {                 // try matching `wikidata`
-	        isBrand = _nsi.wikidata[newTags.wikidata];
-	      }
-	      if (!isBrand && newTags.wikipedia) {    // fallback to `wikipedia`
-	        isBrand = _nsi.wikipedia[newTags.wikipedia];
-	      }
-	      if (isBrand && !newTags.office) {       // but avoid doing this for corporate offices
-	        if (newTags.wikidata) {
-	          newTags['brand:wikidata'] = newTags.wikidata;
-	          delete newTags.wikidata;
-	        }
-	        if (newTags.wikipedia) {
-	          newTags['brand:wikipedia'] = newTags.wikipedia;
-	          delete newTags.wikipedia;
-	        }
-	        // I considered setting `name` and other tags here, but they aren't unique per wikidata
-	        // (Q2759586 -> in USA "Papa John's", in Russia "Папа Джонс")
-	        // So users will really need to use a preset or assign `name` themselves.
-	      }
-
-	      // try key/value|name match against name-suggestion-index
-	      if (newTags.name) {
-	        for (let i = 0; i < nsiKeys.length; i++) {
-	          const k = nsiKeys[i];
-	          if (!newTags[k]) continue;
-
-	          const center = entity.extent(graph).center();
-	          const countryCode = iso1A2Code(center);
-	          const match = _nsi.matcher.matchKVN(k, newTags[k], newTags.name, countryCode && countryCode.toLowerCase());
-	          if (!match) continue;
-
-	          // for now skip ambiguous matches (like Target~(USA) vs Target~(Australia))
-	          if (match.d) continue;
-
-	          const brand = _nsi.brands[match.kvnd];
-	          if (brand && brand.tags['brand:wikidata'] &&
-	            brand.tags['brand:wikidata'] !== entity.tags['not:brand:wikidata']) {
-	            subtype = 'noncanonical_brand';
-
-	            const keepTags = ['takeaway'].reduce((acc, k) => {
-	              if (newTags[k]) {
-	                acc[k] = newTags[k];
-	              }
-	              return acc;
-	            }, {});
-
-	            nsiKeys.forEach(k => delete newTags[k]);
-	            Object.assign(newTags, brand.tags, keepTags);
-	            break;
-	          }
-	        }
-	      }
-	    }
-
-	    // determine diff
-	    const tagDiff = utilTagDiff(oldTags, newTags);
-	    if (!tagDiff.length) return [];
-
-	    const isOnlyAddingTags = tagDiff.every(d => d.type === '+');
-
-	    let prefix = '';
-	    if (subtype === 'noncanonical_brand') {
-	      prefix = 'noncanonical_brand.';
-	    } else if (subtype === 'deprecated_tags' && isOnlyAddingTags) {
-	      subtype = 'incomplete_tags';
-	      prefix = 'incomplete.';
-	    }
-
-	    // don't allow autofixing brand tags
-	    let autoArgs = subtype !== 'noncanonical_brand' ? [doUpgrade, _t('issues.fix.upgrade_tags.annotation')] : null;
-
-	    return [new validationIssue({
-	      type: type,
-	      subtype: subtype,
-	      severity: 'warning',
-	      message: showMessage,
-	      reference: showReference,
-	      entityIds: [entity.id],
-	      hash: JSON.stringify(tagDiff),
-	      dynamicFixes: () => {
-	        return [
-	          new validationIssueFix({
-	            autoArgs: autoArgs,
-	            title: _t('issues.fix.upgrade_tags.title'),
-	            onClick: (context) => {
-	              context.perform(doUpgrade, _t('issues.fix.upgrade_tags.annotation'));
-	            }
-	          })
-	        ];
-	      }
-	    })];
-
-
-	    function doUpgrade(graph) {
-	      const currEntity = graph.hasEntity(entity.id);
-	      if (!currEntity) return graph;
-
-	      let newTags = Object.assign({}, currEntity.tags);  // shallow copy
-	      tagDiff.forEach(diff => {
-	        if (diff.type === '-') {
-	          delete newTags[diff.key];
-	        } else if (diff.type === '+') {
-	          newTags[diff.key] = diff.newVal;
-	        }
-	      });
-
-	      return actionChangeTags(currEntity.id, newTags)(graph);
-	    }
-
-
-	    function showMessage(context) {
-	      const currEntity = context.hasEntity(entity.id);
-	      if (!currEntity) return '';
-
-	      let messageID = `issues.outdated_tags.${prefix}message`;
-	      if (subtype === 'noncanonical_brand' && isOnlyAddingTags) {
-	        messageID += '_incomplete';
-	      }
-	      return _t(messageID, { feature: utilDisplayLabel(currEntity, context.graph()) });
-	    }
-
-
-	    function showReference(selection) {
-	      let enter = selection.selectAll('.issue-reference')
-	        .data([0])
-	        .enter();
-
-	      enter
-	        .append('div')
-	        .attr('class', 'issue-reference')
-	        .text(_t(`issues.outdated_tags.${prefix}reference`));
-
-	      enter
-	        .append('strong')
-	        .text(_t('issues.suggested'));
-
-	      enter
-	        .append('table')
-	        .attr('class', 'tagDiff-table')
-	        .selectAll('.tagDiff-row')
-	        .data(tagDiff)
-	        .enter()
-	        .append('tr')
-	        .attr('class', 'tagDiff-row')
-	        .append('td')
-	        .attr('class', d => {
-	          let klass = d.type === '+' ? 'add' : 'remove';
-	          return `tagDiff-cell tagDiff-cell-${klass}`;
-	        })
-	        .text(d => d.display);
-	    }
-	  }
-
-
-	  function oldMultipolygonIssues(entity, graph) {
-	    let multipolygon, outerWay;
-	    if (entity.type === 'relation') {
-	      outerWay = osmOldMultipolygonOuterMemberOfRelation(entity, graph);
-	      multipolygon = entity;
-	    } else if (entity.type === 'way') {
-	      multipolygon = osmIsOldMultipolygonOuterMember(entity, graph);
-	      outerWay = entity;
-	    } else {
-	      return [];
-	    }
-
-	    if (!multipolygon || !outerWay) return [];
-
-	    return [new validationIssue({
-	      type: type,
-	      subtype: 'old_multipolygon',
-	      severity: 'warning',
-	      message: showMessage,
-	      reference: showReference,
-	      entityIds: [outerWay.id, multipolygon.id],
-	      dynamicFixes: () => {
-	        return [
-	          new validationIssueFix({
-	            autoArgs: [doUpgrade, _t('issues.fix.move_tags.annotation')],
-	            title: _t('issues.fix.move_tags.title'),
-	            onClick: (context) => {
-	              context.perform(doUpgrade, _t('issues.fix.move_tags.annotation'));
-	            }
-	          })
-	        ];
-	      }
-	    })];
-
-
-	    function doUpgrade(graph) {
-	      let currMultipolygon = graph.hasEntity(multipolygon.id);
-	      let currOuterWay = graph.hasEntity(outerWay.id);
-	      if (!currMultipolygon || !currOuterWay) return graph;
-
-	      currMultipolygon = currMultipolygon.mergeTags(currOuterWay.tags);
-	      graph = graph.replace(currMultipolygon);
-	      return actionChangeTags(currOuterWay.id, {})(graph);
-	    }
-
-
-	    function showMessage(context) {
-	      let currMultipolygon = context.hasEntity(multipolygon.id);
-	      if (!currMultipolygon) return '';
-
-	      return _t('issues.old_multipolygon.message',
-	          { multipolygon: utilDisplayLabel(currMultipolygon, context.graph()) }
-	      );
-	    }
-
-
-	    function showReference(selection) {
-	      selection.selectAll('.issue-reference')
-	        .data([0])
-	        .enter()
-	        .append('div')
-	        .attr('class', 'issue-reference')
-	        .text(_t('issues.old_multipolygon.reference'));
-	    }
-	  }
-
-
-	  let validation = function checkOutdatedTags(entity, graph) {
-	    let issues = oldMultipolygonIssues(entity, graph);
-	    if (!issues.length) issues = oldTagIssues(entity, graph);
-	    return issues;
-	  };
-
-
-	  validation.type = type;
-
-	  return validation;
-	}
-
-	function validationPrivateData() {
-	    var type = 'private_data';
-
-	    // assume that some buildings are private
-	    var privateBuildingValues = {
-	        detached: true,
-	        farm: true,
-	        house: true,
-	        houseboat: true,
-	        residential: true,
-	        semidetached_house: true,
-	        static_caravan: true
-	    };
-
-	    // but they might be public if they have one of these other tags
-	    var publicKeys = {
-	        amenity: true,
-	        craft: true,
-	        historic: true,
-	        leisure: true,
-	        office: true,
-	        shop: true,
-	        tourism: true
-	    };
-
-	    // these tags may contain personally identifying info
-	    var personalTags = {
-	        'contact:email': true,
-	        'contact:fax': true,
-	        'contact:phone': true,
-	        email: true,
-	        fax: true,
-	        phone: true
-	    };
-
-
-	    var validation = function checkPrivateData(entity) {
-	        var tags = entity.tags;
-	        if (!tags.building || !privateBuildingValues[tags.building]) return [];
-
-	        var keepTags = {};
-	        for (var k in tags) {
-	            if (publicKeys[k]) return [];  // probably a public feature
-	            if (!personalTags[k]) {
-	                keepTags[k] = tags[k];
-	            }
-	        }
-
-	        var tagDiff = utilTagDiff(tags, keepTags);
-	        if (!tagDiff.length) return [];
-
-	        var fixID = tagDiff.length === 1 ? 'remove_tag' : 'remove_tags';
-
-	        return [new validationIssue({
-	            type: type,
-	            severity: 'warning',
-	            message: showMessage,
-	            reference: showReference,
-	            entityIds: [entity.id],
-	            dynamicFixes: function() {
-	                return [
-	                    new validationIssueFix({
-	                        icon: 'iD-operation-delete',
-	                        title: _t('issues.fix.' + fixID + '.title'),
-	                        onClick: function(context) {
-	                            context.perform(doUpgrade, _t('issues.fix.upgrade_tags.annotation'));
-	                        }
-	                    })
-	                ];
-	            }
-	        })];
-
-
-	        function doUpgrade(graph) {
-	            var currEntity = graph.hasEntity(entity.id);
-	            if (!currEntity) return graph;
-
-	            var newTags = Object.assign({}, currEntity.tags);  // shallow copy
-	            tagDiff.forEach(function(diff) {
-	                if (diff.type === '-') {
-	                    delete newTags[diff.key];
-	                } else if (diff.type === '+') {
-	                    newTags[diff.key] = diff.newVal;
-	                }
-	            });
-
-	            return actionChangeTags(currEntity.id, newTags)(graph);
-	        }
-
-
-	        function showMessage(context) {
-	            var currEntity = context.hasEntity(this.entityIds[0]);
-	            if (!currEntity) return '';
-
-	            return _t('issues.private_data.contact.message',
-	                { feature: utilDisplayLabel(currEntity, context.graph()) }
-	            );
-	        }
-
-
-	        function showReference(selection) {
-	            var enter = selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter();
-
-	            enter
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.private_data.reference'));
-
-	            enter
-	                .append('strong')
-	                .text(_t('issues.suggested'));
-
-	            enter
-	                .append('table')
-	                .attr('class', 'tagDiff-table')
-	                .selectAll('.tagDiff-row')
-	                .data(tagDiff)
-	                .enter()
-	                .append('tr')
-	                .attr('class', 'tagDiff-row')
-	                .append('td')
-	                .attr('class', function(d) {
-	                    var klass = d.type === '+' ? 'add' : 'remove';
-	                    return 'tagDiff-cell tagDiff-cell-' + klass;
-	                })
-	                .text(function(d) { return d.display; });
-	        }
-	    };
-
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	let _discardNameRegexes = [];
-
-	function validationSuspiciousName() {
-	  const type = 'suspicious_name';
-	  const keysToTestForGenericValues = [
-	    'aerialway', 'aeroway', 'amenity', 'building', 'craft', 'highway',
-	    'leisure', 'railway', 'man_made', 'office', 'shop', 'tourism', 'waterway'
-	  ];
-
-	  // A concern here in switching to async data means that `_nsiFilters` will not
-	  // be available at first, so the data on early tiles may not have tags validated fully.
-
-	  _mainFileFetcher.get('nsi_filters')
-	    .then(filters => {
-	      // known list of generic names (e.g. "bar")
-	      _discardNameRegexes = filters.discardNames
-	        .map(discardName => new RegExp(discardName, 'i'));
-	    })
-	    .catch(() => { /* ignore */ });
-
-
-	  function isDiscardedSuggestionName(lowercaseName) {
-	    return _discardNameRegexes.some(regex => regex.test(lowercaseName));
-	  }
-
-	  // test if the name is just the key or tag value (e.g. "park")
-	  function nameMatchesRawTag(lowercaseName, tags) {
-	    for (let i = 0; i < keysToTestForGenericValues.length; i++) {
-	      let key = keysToTestForGenericValues[i];
-	      let val = tags[key];
-	      if (val) {
-	        val = val.toLowerCase();
-	        if (key === lowercaseName ||
-	          val === lowercaseName ||
-	          key.replace(/\_/g, ' ') === lowercaseName ||
-	          val.replace(/\_/g, ' ') === lowercaseName) {
-	          return true;
-	        }
-	      }
-	    }
-	    return false;
-	  }
-
-	  function isGenericName(name, tags) {
-	    name = name.toLowerCase();
-	    return nameMatchesRawTag(name, tags) || isDiscardedSuggestionName(name);
-	  }
-
-	  function makeGenericNameIssue(entityId, nameKey, genericName, langCode) {
-	    return new validationIssue({
-	      type: type,
-	      subtype: 'generic_name',
-	      severity: 'warning',
-	      message: function(context) {
-	        let entity = context.hasEntity(this.entityIds[0]);
-	        if (!entity) return '';
-	        let preset = _mainPresetIndex.match(entity, context.graph());
-	        let langName = langCode && _mainLocalizer.languageName(langCode);
-	        return _t('issues.generic_name.message' + (langName ? '_language' : ''),
-	          { feature: preset.name(), name: genericName, language: langName }
-	        );
-	      },
-	      reference: showReference,
-	      entityIds: [entityId],
-	      hash: nameKey + '=' + genericName,
-	      dynamicFixes: function() {
-	        return [
-	          new validationIssueFix({
-	            icon: 'iD-operation-delete',
-	            title: _t('issues.fix.remove_the_name.title'),
-	            onClick: function(context) {
-	              let entityId = this.issue.entityIds[0];
-	              let entity = context.entity(entityId);
-	              let tags = Object.assign({}, entity.tags);   // shallow copy
-	              delete tags[nameKey];
-	              context.perform(
-	                actionChangeTags(entityId, tags), _t('issues.fix.remove_generic_name.annotation')
-	              );
-	            }
-	          })
-	        ];
-	      }
-	    });
-
-	    function showReference(selection) {
-	      selection.selectAll('.issue-reference')
-	        .data([0])
-	        .enter()
-	        .append('div')
-	        .attr('class', 'issue-reference')
-	        .text(_t('issues.generic_name.reference'));
-	    }
-	  }
-
-	  function makeIncorrectNameIssue(entityId, nameKey, incorrectName, langCode) {
-	    return new validationIssue({
-	      type: type,
-	      subtype: 'not_name',
-	      severity: 'warning',
-	      message: function(context) {
-	        const entity = context.hasEntity(this.entityIds[0]);
-	        if (!entity) return '';
-	        const preset = _mainPresetIndex.match(entity, context.graph());
-	        const langName = langCode && _mainLocalizer.languageName(langCode);
-	        return _t('issues.incorrect_name.message' + (langName ? '_language' : ''),
-	          { feature: preset.name(), name: incorrectName, language: langName }
-	        );
-	      },
-	      reference: showReference,
-	      entityIds: [entityId],
-	      hash: nameKey + '=' + incorrectName,
-	      dynamicFixes: function() {
-	        return [
-	          new validationIssueFix({
-	            icon: 'iD-operation-delete',
-	            title: _t('issues.fix.remove_the_name.title'),
-	            onClick: function(context) {
-	              const entityId = this.issue.entityIds[0];
-	              const entity = context.entity(entityId);
-	              let tags = Object.assign({}, entity.tags);   // shallow copy
-	              delete tags[nameKey];
-	              context.perform(
-	                actionChangeTags(entityId, tags), _t('issues.fix.remove_mistaken_name.annotation')
-	              );
-	            }
-	          })
-	        ];
-	      }
-	    });
-
-	    function showReference(selection) {
-	      selection.selectAll('.issue-reference')
-	        .data([0])
-	        .enter()
-	        .append('div')
-	        .attr('class', 'issue-reference')
-	        .text(_t('issues.generic_name.reference'));
-	    }
-	  }
-
-
-	  let validation = function checkGenericName(entity) {
-	    // a generic name is okay if it's a known brand or entity
-	    if (entity.hasWikidata()) return [];
-
-	    let issues = [];
-	    const notNames = (entity.tags['not:name'] || '').split(';');
-
-	    for (let key in entity.tags) {
-	      const m = key.match(/^name(?:(?::)([a-zA-Z_-]+))?$/);
-	      if (!m) continue;
-
-	      const langCode = m.length >= 2 ? m[1] : null;
-	      const value = entity.tags[key];
-	      if (notNames.length) {
-	        for (let i in notNames) {
-	          const notName = notNames[i];
-	          if (notName && value === notName) {
-	            issues.push(makeIncorrectNameIssue(entity.id, key, value, langCode));
-	            continue;
-	          }
-	        }
-	      }
-	      if (isGenericName(value, entity.tags)) {
-	        issues.push(makeGenericNameIssue(entity.id, key, value, langCode));
-	      }
-	    }
-
-	    return issues;
-	  };
-
-
-	  validation.type = type;
-
-	  return validation;
-	}
-
-	function validationUnsquareWay(context) {
-	    var type = 'unsquare_way';
-	    var DEFAULT_DEG_THRESHOLD = 5;   // see also issues.js
-
-	    // use looser epsilon for detection to reduce warnings of buildings that are essentially square already
-	    var epsilon = 0.05;
-	    var nodeThreshold = 10;
-
-	    function isBuilding(entity, graph) {
-	        if (entity.type !== 'way' || entity.geometry(graph) !== 'area') return false;
-	        return entity.tags.building && entity.tags.building !== 'no';
-	    }
-
-
-	    var validation = function checkUnsquareWay(entity, graph) {
-
-	        if (!isBuilding(entity, graph)) return [];
-
-	        // don't flag ways marked as physically unsquare
-	        if (entity.tags.nonsquare === 'yes') return [];
-
-	        var isClosed = entity.isClosed();
-	        if (!isClosed) return [];        // this building has bigger problems
-
-	        // don't flag ways with lots of nodes since they are likely detail-mapped
-	        var nodes = graph.childNodes(entity).slice();    // shallow copy
-	        if (nodes.length > nodeThreshold + 1) return [];   // +1 because closing node appears twice
-
-	        // ignore if not all nodes are fully downloaded
-	        var osm = services.osm;
-	        if (!osm || nodes.some(function(node) { return !osm.isDataLoaded(node.loc); })) return [];
-
-	        // don't flag connected ways to avoid unresolvable unsquare loops
-	        var hasConnectedSquarableWays = nodes.some(function(node) {
-	            return graph.parentWays(node).some(function(way) {
-	                if (way.id === entity.id) return false;
-	                if (isBuilding(way, graph)) return true;
-	                return graph.parentRelations(way).some(function(parentRelation) {
-	                    return parentRelation.isMultipolygon() &&
-	                        parentRelation.tags.building &&
-	                        parentRelation.tags.building !== 'no';
-	                });
-	            });
-	        });
-	        if (hasConnectedSquarableWays) return [];
-
-
-	        // user-configurable square threshold
-	        var storedDegreeThreshold = corePreferences('validate-square-degrees');
-	        var degreeThreshold = isNaN(storedDegreeThreshold) ? DEFAULT_DEG_THRESHOLD : parseFloat(storedDegreeThreshold);
-
-	        var points = nodes.map(function(node) { return context.projection(node.loc); });
-	        if (!geoOrthoCanOrthogonalize(points, isClosed, epsilon, degreeThreshold, true)) return [];
-
-	        var autoArgs;
-	        // don't allow autosquaring features linked to wikidata
-	        if (!entity.tags.wikidata) {
-	            // use same degree threshold as for detection
-	            var autoAction = actionOrthogonalize(entity.id, context.projection, undefined, degreeThreshold);
-	            autoAction.transitionable = false;  // when autofixing, do it instantly
-	            autoArgs = [autoAction, _t('operations.orthogonalize.annotation.feature.single')];
-	        }
-
-	        return [new validationIssue({
-	            type: type,
-	            subtype: 'building',
-	            severity: 'warning',
-	            message: function(context) {
-	                var entity = context.hasEntity(this.entityIds[0]);
-	                return entity ? _t('issues.unsquare_way.message', { feature: utilDisplayLabel(entity, context.graph()) }) : '';
-	            },
-	            reference: showReference,
-	            entityIds: [entity.id],
-	            hash: JSON.stringify(autoArgs !== undefined) + degreeThreshold,
-	            dynamicFixes: function() {
-	                return [
-	                    new validationIssueFix({
-	                        icon: 'iD-operation-orthogonalize',
-	                        title: _t('issues.fix.square_feature.title'),
-	                        autoArgs: autoArgs,
-	                        onClick: function(context, completionHandler) {
-	                            var entityId = this.issue.entityIds[0];
-	                            // use same degree threshold as for detection
-	                            context.perform(
-	                                actionOrthogonalize(entityId, context.projection, undefined, degreeThreshold),
-	                                _t('operations.orthogonalize.annotation.feature.single')
-	                            );
-	                            // run after the squaring transition (currently 150ms)
-	                            window.setTimeout(function() { completionHandler(); }, 175);
-	                        }
-	                    }),
-	                    /*
-	                    new validationIssueFix({
-	                        title: t('issues.fix.tag_as_unsquare.title'),
-	                        onClick: function(context) {
-	                            var entityId = this.issue.entityIds[0];
-	                            var entity = context.entity(entityId);
-	                            var tags = Object.assign({}, entity.tags);  // shallow copy
-	                            tags.nonsquare = 'yes';
-	                            context.perform(
-	                                actionChangeTags(entityId, tags),
-	                                t('issues.fix.tag_as_unsquare.annotation')
-	                            );
-	                        }
-	                    })
-	                    */
-	                ];
-	            }
-	        })];
-
-	        function showReference(selection) {
-	            selection.selectAll('.issue-reference')
-	                .data([0])
-	                .enter()
-	                .append('div')
-	                .attr('class', 'issue-reference')
-	                .text(_t('issues.unsquare_way.buildings.reference'));
-	        }
-	    };
-
-	    validation.type = type;
-
-	    return validation;
-	}
-
-	var Validations = /*#__PURE__*/Object.freeze({
-		__proto__: null,
-		validationAlmostJunction: validationAlmostJunction,
-		validationCloseNodes: validationCloseNodes,
-		validationCrossingWays: validationCrossingWays,
-		validationDisconnectedWay: validationDisconnectedWay,
-		validationFormatting: validationFormatting,
-		validationHelpRequest: validationHelpRequest,
-		validationImpossibleOneway: validationImpossibleOneway,
-		validationIncompatibleSource: validationIncompatibleSource,
-		validationMaprules: validationMaprules,
-		validationMismatchedGeometry: validationMismatchedGeometry,
-		validationMissingRole: validationMissingRole,
-		validationMissingTag: validationMissingTag,
-		validationOutdatedTags: validationOutdatedTags,
-		validationPrivateData: validationPrivateData,
-		validationSuspiciousName: validationSuspiciousName,
-		validationUnsquareWay: validationUnsquareWay
-	});
-
-	function coreValidator(context) {
-	    var dispatch$1 = dispatch('validated', 'focusedIssue');
-	    var validator = utilRebind({}, dispatch$1, 'on');
-
-	    var _rules = {};
-	    var _disabledRules = {};
-
-	    var _ignoredIssueIDs = {};          // issue.id -> true
-	    var _baseCache = validationCache(); // issues before any user edits
-	    var _headCache = validationCache(); // issues after all user edits
-	    var _validatedGraph = null;
-	    var _deferred = new Set();
-
-	    //
-	    // initialize the validator rulesets
-	    //
-	    validator.init = function() {
-	        Object.values(Validations).forEach(function(validation) {
-	            if (typeof validation !== 'function') return;
-
-	            var fn = validation(context);
-	            var key = fn.type;
-	            _rules[key] = fn;
-	        });
-
-	        var disabledRules = corePreferences('validate-disabledRules');
-	        if (disabledRules) {
-	            disabledRules.split(',')
-	                .forEach(function(key) { _disabledRules[key] = true; });
-	        }
-	    };
-
-
-	    //
-	    // clear caches, called whenever iD resets after a save
-	    //
-	    validator.reset = function() {
-	        Array.from(_deferred).forEach(function(handle) {
-	            window.cancelIdleCallback(handle);
-	            _deferred.delete(handle);
-	        });
-
-	        // clear caches
-	        _ignoredIssueIDs = {};
-	        _baseCache = validationCache();
-	        _headCache = validationCache();
-	        _validatedGraph = null;
-	    };
-
-	    validator.resetIgnoredIssues = function() {
-	        _ignoredIssueIDs = {};
-	        // reload UI
-	        dispatch$1.call('validated');
-	    };
-
-
-	    // must update issues when the user changes the unsquare thereshold
-	    validator.reloadUnsquareIssues = function() {
-
-	        reloadUnsquareIssues(_headCache, context.graph());
-	        reloadUnsquareIssues(_baseCache, context.history().base());
-
-	        dispatch$1.call('validated');
-	    };
-
-	    function reloadUnsquareIssues(cache, graph) {
-
-	        var checkUnsquareWay = _rules.unsquare_way;
-	        if (typeof checkUnsquareWay !== 'function') return;
-
-	        // uncache existing
-	        cache.uncacheIssuesOfType('unsquare_way');
-
-	        var buildings = context.history().tree().intersects(geoExtent([-180,-90],[180, 90]), graph)  // everywhere
-	            .filter(function(entity) {
-	                return entity.type === 'way' && entity.tags.building && entity.tags.building !== 'no';
-	            });
-
-	        // rerun for all buildings
-	        buildings.forEach(function(entity) {
-	            var detected = checkUnsquareWay(entity, graph);
-	            if (detected.length !== 1) return;
-	            var issue = detected[0];
-	            if (!cache.issuesByEntityID[entity.id]) {
-	                cache.issuesByEntityID[entity.id] = new Set();
-	            }
-	            cache.issuesByEntityID[entity.id].add(issue.id);
-	            cache.issuesByIssueID[issue.id] = issue;
-	        });
-	    }
-
-	    // options = {
-	    //     what: 'all',     // 'all' or 'edited'
-	    //     where: 'all',   // 'all' or 'visible'
-	    //     includeIgnored: false   // true, false, or 'only'
-	    //     includeDisabledRules: false   // true, false, or 'only'
-	    // };
-	    validator.getIssues = function(options) {
-	        var opts = Object.assign({ what: 'all', where: 'all', includeIgnored: false, includeDisabledRules: false }, options);
-	        var issues = Object.values(_headCache.issuesByIssueID);
-	        var view = context.map().extent();
-
-	        return issues.filter(function(issue) {
-	            if (!issue) return false;
-	            if (opts.includeDisabledRules === 'only' && !_disabledRules[issue.type]) return false;
-	            if (!opts.includeDisabledRules && _disabledRules[issue.type]) return false;
-
-	            if (opts.includeIgnored === 'only' && !_ignoredIssueIDs[issue.id]) return false;
-	            if (!opts.includeIgnored && _ignoredIssueIDs[issue.id]) return false;
-
-	            // Sanity check:  This issue may be for an entity that not longer exists.
-	            // If we detect this, uncache and return false so it is not included..
-	            var entityIds = issue.entityIds || [];
-	            for (var i = 0; i < entityIds.length; i++) {
-	                var entityId = entityIds[i];
-	                if (!context.hasEntity(entityId)) {
-	                    delete _headCache.issuesByEntityID[entityId];
-	                    delete _headCache.issuesByIssueID[issue.id];
-	                    return false;
-	                }
-	            }
-
-	            if (opts.what === 'edited' && _baseCache.issuesByIssueID[issue.id]) return false;
-
-	            if (opts.where === 'visible') {
-	                var extent = issue.extent(context.graph());
-	                if (!view.intersects(extent)) return false;
-	            }
-
-	            return true;
-	        });
-	    };
-
-	    validator.getResolvedIssues = function() {
-	        var baseIssues = Object.values(_baseCache.issuesByIssueID);
-	        return baseIssues.filter(function(issue) {
-	            return !_headCache.issuesByIssueID[issue.id];
-	        });
-	    };
-
-	    validator.focusIssue = function(issue) {
-	        var extent = issue.extent(context.graph());
-
-	        if (extent) {
-	            var setZoom = Math.max(context.map().zoom(), 19);
-	            context.map().unobscuredCenterZoomEase(extent.center(), setZoom);
-
-	            // select the first entity
-	            if (issue.entityIds && issue.entityIds.length) {
-	                window.setTimeout(function() {
-	                    var ids = issue.entityIds;
-	                    context.enter(modeSelect(context, [ids[0]]));
-	                    dispatch$1.call('focusedIssue', this, issue);
-	                }, 250);  // after ease
-	            }
-	        }
-	    };
-
-
-	    validator.getIssuesBySeverity = function(options) {
-	        var groups = utilArrayGroupBy(validator.getIssues(options), 'severity');
-	        groups.error = groups.error || [];
-	        groups.warning = groups.warning || [];
-	        return groups;
-	    };
-
-	    // show some issue types in a particular order
-	    var orderedIssueTypes = [
-	        // flag missing data first
-	        'missing_tag', 'missing_role',
-	        // then flag identity issues
-	        'outdated_tags', 'mismatched_geometry',
-	        // flag geometry issues where fixing them might solve connectivity issues
-	        'crossing_ways', 'almost_junction',
-	        // then flag connectivity issues
-	        'disconnected_way', 'impossible_oneway'
-	    ];
-
-	    // returns the issues that the given entity IDs have in common, matching the given options
-	    validator.getSharedEntityIssues = function(entityIDs, options) {
-	        var cache = _headCache;
-
-	        // gather the issues that are common to all the entities
-	        var issueIDs = entityIDs.reduce(function(acc, entityID) {
-	            var entityIssueIDs = cache.issuesByEntityID[entityID] || new Set();
-	            if (!acc) {
-	                return new Set(entityIssueIDs);
-	            }
-	            return new Set([...acc].filter(function(elem) {
-	                return entityIssueIDs.has(elem);
-	            }));
-	        }, null) || [];
-
-	        var opts = options || {};
-
-	        return Array.from(issueIDs)
-	            .map(function(id) { return cache.issuesByIssueID[id]; })
-	            .filter(function(issue) {
-	                if (!issue) return false;
-	                if (opts.includeDisabledRules === 'only' && !_disabledRules[issue.type]) return false;
-	                if (!opts.includeDisabledRules && _disabledRules[issue.type]) return false;
-
-	                if (opts.includeIgnored === 'only' && !_ignoredIssueIDs[issue.id]) return false;
-	                if (!opts.includeIgnored && _ignoredIssueIDs[issue.id]) return false;
-
-	                return true;
-	            }).sort(function(issue1, issue2) {
-	                if (issue1.type === issue2.type) {
-	                    // issues of the same type, sort deterministically
-	                    return issue1.id < issue2.id ? -1 : 1;
-	                }
-	                var index1 = orderedIssueTypes.indexOf(issue1.type);
-	                var index2 = orderedIssueTypes.indexOf(issue2.type);
-	                if (index1 !== -1 && index2 !== -1) {
-	                    // both issue types have explicit sort orders
-	                    return index1 - index2;
-	                } else if (index1 === -1 && index2 === -1) {
-	                    // neither issue type has an explicit sort order, sort by type
-	                    return issue1.type < issue2.type ? -1 : 1;
-	                } else {
-	                    // order explicit types before everything else
-	                    return index1 !== -1 ? -1 : 1;
-	                }
-	            });
-	    };
-
-
-	    validator.getEntityIssues = function(entityID, options) {
-	        return validator.getSharedEntityIssues([entityID], options);
-	    };
-
-
-	    validator.getRuleKeys = function() {
-	        return Object.keys(_rules);
-	    };
-
-
-	    validator.isRuleEnabled = function(key) {
-	        return !_disabledRules[key];
-	    };
-
-
-	    validator.toggleRule = function(key) {
-	        if (_disabledRules[key]) {
-	            delete _disabledRules[key];
-	        } else {
-	            _disabledRules[key] = true;
-	        }
-
-	        corePreferences('validate-disabledRules', Object.keys(_disabledRules).join(','));
-	        validator.validate();
-	    };
-
-
-	    validator.disableRules = function(keys) {
-	        _disabledRules = {};
-	        keys.forEach(function(k) {
-	            _disabledRules[k] = true;
-	        });
-
-	        corePreferences('validate-disabledRules', Object.keys(_disabledRules).join(','));
-	        validator.validate();
-	    };
-
-
-	    validator.ignoreIssue = function(id) {
-	        _ignoredIssueIDs[id] = true;
-	    };
-
-
-	    //
-	    // Run validation on a single entity for the given graph
-	    //
-	    function validateEntity(entity, graph) {
-	        var entityIssues = [];
-
-	        // runs validation and appends resulting issues
-	        function runValidation(key) {
-
-	            var fn = _rules[key];
-	            if (typeof fn !== 'function') {
-	                console.error('no such validation rule = ' + key);  // eslint-disable-line no-console
-	                return;
-	            }
-
-	            var detected = fn(entity, graph);
-	            entityIssues = entityIssues.concat(detected);
-	        }
-
-	        // run all rules
-	        Object.keys(_rules).forEach(runValidation);
-
-	        return entityIssues;
-	    }
-
-	    function entityIDsToValidate(entityIDs, graph) {
-	        var processedIDs = new Set();
-	        return entityIDs.reduce(function(acc, entityID) {
-	            // keep redundancy check separate from `acc` because an `entityID`
-	            // could have been added to `acc` as a related entity through an earlier pass
-	            if (processedIDs.has(entityID)) return acc;
-	            processedIDs.add(entityID);
-
-	            var entity = graph.hasEntity(entityID);
-	            if (!entity) return acc;
-
-	            acc.add(entityID);
-
-	            var checkParentRels = [entity];
-
-	            if (entity.type === 'node') {
-	                graph.parentWays(entity).forEach(function(parentWay) {
-	                    acc.add(parentWay.id); // include parent ways
-	                    checkParentRels.push(parentWay);
-	                });
-	            } else if (entity.type === 'relation') {
-	                entity.members.forEach(function(member) {
-	                    acc.add(member.id); // include members
-	                });
-	            } else if (entity.type === 'way') {
-	                entity.nodes.forEach(function(nodeID) {
-	                    acc.add(nodeID); // include child nodes
-	                    graph._parentWays[nodeID].forEach(function(wayID) {
-	                        acc.add(wayID); // include connected ways
-	                    });
-	                });
-	            }
-
-	            checkParentRels.forEach(function(entity) {   // include parent relations
-	                if (entity.type !== 'relation') {        // but not super-relations
-	                    graph.parentRelations(entity).forEach(function(parentRelation) {
-	                        acc.add(parentRelation.id);
-	                    });
-	                }
-	            });
-
-	            return acc;
-
-	        }, new Set());
-	    }
-
-	    //
-	    // Run validation for several entities, supplied `entityIDs`,
-	    // against `graph` for the given `cache`
-	    //
-	    function validateEntities(entityIDs, graph, cache) {
-
-	        // clear caches for existing issues related to these entities
-	        entityIDs.forEach(cache.uncacheEntityID);
-
-	        // detect new issues and update caches
-	        entityIDs.forEach(function(entityID) {
-	            var entity = graph.hasEntity(entityID);
-	            // don't validate deleted entities
-	            if (!entity) return;
-
-	            var issues = validateEntity(entity, graph);
-	            cache.cacheIssues(issues);
-	        });
-	    }
-
-
-	    //
-	    // Validates anything that has changed since the last time it was run.
-	    // Also updates the "validatedGraph" to be the current graph
-	    // and dispatches a `validated` event when finished.
-	    //
-	    validator.validate = function() {
-
-	        var currGraph = context.graph();
-	        _validatedGraph = _validatedGraph || context.history().base();
-	        if (currGraph === _validatedGraph) {
-	            dispatch$1.call('validated');
-	            return;
-	        }
-	        var oldGraph = _validatedGraph;
-	        var difference = coreDifference(oldGraph, currGraph);
-	        _validatedGraph = currGraph;
-
-	        var createdAndModifiedEntityIDs = difference.extantIDs(true);   // created/modified (true = w/relation members)
-	        var entityIDsToCheck = entityIDsToValidate(createdAndModifiedEntityIDs, currGraph);
-
-	        // check modified and deleted entities against the old graph in order to update their related entities
-	        // (e.g. deleting the only highway connected to a road should create a disconnected highway issue)
-	        var modifiedAndDeletedEntityIDs = difference.deleted().concat(difference.modified())
-	            .map(function(entity) { return entity.id; });
-	        var entityIDsToCheckForOldGraph = entityIDsToValidate(modifiedAndDeletedEntityIDs, oldGraph);
-
-	        // concat the sets
-	        entityIDsToCheckForOldGraph.forEach(entityIDsToCheck.add, entityIDsToCheck);
-
-	        validateEntities(entityIDsToCheck, context.graph(), _headCache);
-
-	        dispatch$1.call('validated');
-	    };
-
-
-	    // WHEN TO RUN VALIDATION:
-	    // When graph changes:
-	    context.history()
-	        .on('restore.validator', validator.validate)   // restore saved history
-	        .on('undone.validator', validator.validate)    // undo
-	        .on('redone.validator', validator.validate);   // redo
-	        // but not on 'change' (e.g. while drawing)
-
-	    // When user chages editing modes:
-	    context
-	        .on('exit.validator', validator.validate);
-
-	    // When merging fetched data:
-	    context.history()
-	        .on('merge.validator', function(entities) {
-	            if (!entities) return;
-	            var handle = window.requestIdleCallback(function() {
-	                var entityIDs = entities.map(function(entity) { return entity.id; });
-	                var headGraph = context.graph();
-	                validateEntities(entityIDsToValidate(entityIDs, headGraph), headGraph, _headCache);
-
-	                var baseGraph = context.history().base();
-	                validateEntities(entityIDsToValidate(entityIDs, baseGraph), baseGraph, _baseCache);
-
-	                dispatch$1.call('validated');
-	            });
-	            _deferred.add(handle);
-	        });
-
-
-	    return validator;
-	}
-
-
-	function validationCache() {
-
-	    var cache = {
-	        issuesByIssueID: {},  // issue.id -> issue
-	        issuesByEntityID: {} // entity.id -> set(issue.id)
-	    };
-
-	    cache.cacheIssues = function(issues) {
-	        issues.forEach(function(issue) {
-	            var entityIds = issue.entityIds || [];
-	            entityIds.forEach(function(entityId) {
-	                if (!cache.issuesByEntityID[entityId]) {
-	                    cache.issuesByEntityID[entityId] = new Set();
-	                }
-	                cache.issuesByEntityID[entityId].add(issue.id);
-	            });
-	            cache.issuesByIssueID[issue.id] = issue;
-	        });
-	    };
-
-	    cache.uncacheIssue = function(issue) {
-	        // When multiple entities are involved (e.g. crossing_ways),
-	        // remove this issue from the other entity caches too..
-	        var entityIds = issue.entityIds || [];
-	        entityIds.forEach(function(entityId) {
-	            if (cache.issuesByEntityID[entityId]) {
-	                cache.issuesByEntityID[entityId].delete(issue.id);
-	            }
-	        });
-	        delete cache.issuesByIssueID[issue.id];
-	    };
-
-	    cache.uncacheIssues = function(issues) {
-	        issues.forEach(cache.uncacheIssue);
-	    };
-
-	    cache.uncacheIssuesOfType = function(type) {
-	        var issuesOfType = Object.values(cache.issuesByIssueID)
-	            .filter(function(issue) { return issue.type === type; });
-	        cache.uncacheIssues(issuesOfType);
-	    };
-
-	    //
-	    // Remove a single entity and all its related issues from the caches
-	    //
-	    cache.uncacheEntityID = function(entityID) {
-	        var issueIDs = cache.issuesByEntityID[entityID];
-	        if (!issueIDs) return;
-
-	        issueIDs.forEach(function(issueID) {
-	            var issue = cache.issuesByIssueID[issueID];
-	            if (issue) {
-	                cache.uncacheIssue(issue);
-	            } else {
-	                delete cache.issuesByIssueID[issueID];
-	            }
-	        });
-
-	        delete cache.issuesByEntityID[entityID];
-	    };
-
-	    return cache;
-	}
-
-	function coreUploader(context) {
-
-	    var dispatch$1 = dispatch(
-	        // Start and end events are dispatched exactly once each per legitimate outside call to `save`
-	        'saveStarted', // dispatched as soon as a call to `save` has been deemed legitimate
-	        'saveEnded',   // dispatched after the result event has been dispatched
-
-	        'willAttemptUpload', // dispatched before the actual upload call occurs, if it will
-	        'progressChanged',
-
-	        // Each save results in one of these outcomes:
-	        'resultNoChanges', // upload wasn't attempted since there were no edits
-	        'resultErrors',    // upload failed due to errors
-	        'resultConflicts', // upload failed due to data conflicts
-	        'resultSuccess'    // upload completed without errors
-	    );
-
-	    var _isSaving = false;
-
-	    var _conflicts = [];
-	    var _errors = [];
-	    var _origChanges;
-
-	    var _discardTags = {};
-	    _mainFileFetcher.get('discarded')
-	        .then(function(d) { _discardTags = d; })
-	        .catch(function() { /* ignore */ });
-
-	    var uploader = utilRebind({}, dispatch$1, 'on');
-
-	    uploader.isSaving = function() {
-	        return _isSaving;
-	    };
-
-	    uploader.save = function(changeset, tryAgain, checkConflicts) {
-	        // Guard against accidentally entering save code twice - #4641
-	        if (_isSaving && !tryAgain) {
-	            return;
-	        }
-
-	        var osm = context.connection();
-	        if (!osm) return;
-
-	        // If user somehow got logged out mid-save, try to reauthenticate..
-	        // This can happen if they were logged in from before, but the tokens are no longer valid.
-	        if (!osm.authenticated()) {
-	            osm.authenticate(function(err) {
-	                if (!err) {
-	                    uploader.save(changeset, tryAgain, checkConflicts);  // continue where we left off..
-	                }
-	            });
-	            return;
-	        }
-
-	        if (!_isSaving) {
-	            _isSaving = true;
-	            dispatch$1.call('saveStarted', this);
-	        }
-
-	        var history = context.history();
-
-	        _conflicts = [];
-	        _errors = [];
-
-	        // Store original changes, in case user wants to download them as an .osc file
-	        _origChanges = history.changes(actionDiscardTags(history.difference(), _discardTags));
-
-	        // First time, `history.perform` a no-op action.
-	        // Any conflict resolutions will be done as `history.replace`
-	        // Remember to pop this later if needed
-	        if (!tryAgain) {
-	            history.perform(actionNoop());
-	        }
-
-	        // Attempt a fast upload.. If there are conflicts, re-enter with `checkConflicts = true`
-	        if (!checkConflicts) {
-	            upload(changeset);
-
-	        // Do the full (slow) conflict check..
-	        } else {
-	            performFullConflictCheck(changeset);
-	        }
-
-	    };
-
-
-	    function performFullConflictCheck(changeset) {
-
-	        var osm = context.connection();
-	        if (!osm) return;
-
-	        var history = context.history();
-
-	        var localGraph = context.graph();
-	        var remoteGraph = coreGraph(history.base(), true);
-
-	        var summary = history.difference().summary();
-	        var _toCheck = [];
-	        for (var i = 0; i < summary.length; i++) {
-	            var item = summary[i];
-	            if (item.changeType === 'modified') {
-	                _toCheck.push(item.entity.id);
-	            }
-	        }
-
-	        var _toLoad = withChildNodes(_toCheck, localGraph);
-	        var _loaded = {};
-	        var _toLoadCount = 0;
-	        var _toLoadTotal = _toLoad.length;
-
-	        if (_toCheck.length) {
-	            dispatch$1.call('progressChanged', this, _toLoadCount, _toLoadTotal);
-	            _toLoad.forEach(function(id) { _loaded[id] = false; });
-	            osm.loadMultiple(_toLoad, loaded);
-	        } else {
-	            upload(changeset);
-	        }
-
-	        return;
-
-	        function withChildNodes(ids, graph) {
-	            var s = new Set(ids);
-	            ids.forEach(function(id) {
-	                var entity = graph.entity(id);
-	                if (entity.type !== 'way') return;
-
-	                graph.childNodes(entity).forEach(function(child) {
-	                    if (child.version !== undefined) {
-	                        s.add(child.id);
-	                    }
-	                });
-	            });
-
-	            return Array.from(s);
-	        }
-
-
-	        // Reload modified entities into an alternate graph and check for conflicts..
-	        function loaded(err, result) {
-	            if (_errors.length) return;
-
-	            if (err) {
-	                _errors.push({
-	                    msg: err.message || err.responseText,
-	                    details: [ _t('save.status_code', { code: err.status }) ]
-	                });
-	                didResultInErrors();
-
-	            } else {
-	                var loadMore = [];
-
-	                result.data.forEach(function(entity) {
-	                    remoteGraph.replace(entity);
-	                    _loaded[entity.id] = true;
-	                    _toLoad = _toLoad.filter(function(val) { return val !== entity.id; });
-
-	                    if (!entity.visible) return;
-
-	                    // Because loadMultiple doesn't download /full like loadEntity,
-	                    // need to also load children that aren't already being checked..
-	                    var i, id;
-	                    if (entity.type === 'way') {
-	                        for (i = 0; i < entity.nodes.length; i++) {
-	                            id = entity.nodes[i];
-	                            if (_loaded[id] === undefined) {
-	                                _loaded[id] = false;
-	                                loadMore.push(id);
-	                            }
-	                        }
-	                    } else if (entity.type === 'relation' && entity.isMultipolygon()) {
-	                        for (i = 0; i < entity.members.length; i++) {
-	                            id = entity.members[i].id;
-	                            if (_loaded[id] === undefined) {
-	                                _loaded[id] = false;
-	                                loadMore.push(id);
-	                            }
-	                        }
-	                    }
-	                });
-
-	                _toLoadCount += result.data.length;
-	                _toLoadTotal += loadMore.length;
-	                dispatch$1.call('progressChanged', this, _toLoadCount, _toLoadTotal);
-
-	                if (loadMore.length) {
-	                    _toLoad.push.apply(_toLoad, loadMore);
-	                    osm.loadMultiple(loadMore, loaded);
-	                }
-
-	                if (!_toLoad.length) {
-	                    detectConflicts();
-	                    upload(changeset);
-	                }
-	            }
-	        }
-
-
-	        function detectConflicts() {
-	            function choice(id, text, action) {
-	                return {
-	                    id: id,
-	                    text: text,
-	                    action: function() {
-	                        history.replace(action);
-	                    }
-	                };
-	            }
-	            function formatUser(d) {
-	                return '<a href="' + osm.userURL(d) + '" target="_blank">' + d + '</a>';
-	            }
-	            function entityName(entity) {
-	                return utilDisplayName(entity) || (utilDisplayType(entity.id) + ' ' + entity.id);
-	            }
-
-	            function sameVersions(local, remote) {
-	                if (local.version !== remote.version) return false;
-
-	                if (local.type === 'way') {
-	                    var children = utilArrayUnion(local.nodes, remote.nodes);
-	                    for (var i = 0; i < children.length; i++) {
-	                        var a = localGraph.hasEntity(children[i]);
-	                        var b = remoteGraph.hasEntity(children[i]);
-	                        if (a && b && a.version !== b.version) return false;
-	                    }
-	                }
-
-	                return true;
-	            }
-
-	            _toCheck.forEach(function(id) {
-	                var local = localGraph.entity(id);
-	                var remote = remoteGraph.entity(id);
-
-	                if (sameVersions(local, remote)) return;
-
-	                var merge = actionMergeRemoteChanges(id, localGraph, remoteGraph, _discardTags, formatUser);
-
-	                history.replace(merge);
-
-	                var mergeConflicts = merge.conflicts();
-	                if (!mergeConflicts.length) return;  // merged safely
-
-	                var forceLocal = actionMergeRemoteChanges(id, localGraph, remoteGraph, _discardTags).withOption('force_local');
-	                var forceRemote = actionMergeRemoteChanges(id, localGraph, remoteGraph, _discardTags).withOption('force_remote');
-	                var keepMine = _t('save.conflict.' + (remote.visible ? 'keep_local' : 'restore'));
-	                var keepTheirs = _t('save.conflict.' + (remote.visible ? 'keep_remote' : 'delete'));
-
-	                _conflicts.push({
-	                    id: id,
-	                    name: entityName(local),
-	                    details: mergeConflicts,
-	                    chosen: 1,
-	                    choices: [
-	                        choice(id, keepMine, forceLocal),
-	                        choice(id, keepTheirs, forceRemote)
-	                    ]
-	                });
-	            });
-	        }
-	    }
-
-
-	    function upload(changeset) {
-	        var osm = context.connection();
-	        if (!osm) {
-	            _errors.push({ msg: 'No OSM Service' });
-	        }
-
-	        if (_conflicts.length) {
-	            didResultInConflicts(changeset);
-
-	        } else if (_errors.length) {
-	            didResultInErrors();
-
-	        } else {
-	            var history = context.history();
-	            var changes = history.changes(actionDiscardTags(history.difference(), _discardTags));
-	            if (changes.modified.length || changes.created.length || changes.deleted.length) {
-
-	                dispatch$1.call('willAttemptUpload', this);
-
-	                osm.putChangeset(changeset, changes, uploadCallback);
-
-	            } else {
-	                // changes were insignificant or reverted by user
-	                didResultInNoChanges();
-	            }
-	        }
-	    }
-
-
-	    function uploadCallback(err, changeset) {
-	        if (err) {
-	            if (err.status === 409) {  // 409 Conflict
-	                uploader.save(changeset, true, true);  // tryAgain = true, checkConflicts = true
-	            } else {
-	                _errors.push({
-	                    msg: err.message || err.responseText,
-	                    details: [ _t('save.status_code', { code: err.status }) ]
-	                });
-	                didResultInErrors();
-	            }
-
-	        } else {
-	            didResultInSuccess(changeset);
-	        }
-	    }
-
-	    function didResultInNoChanges() {
-
-	        dispatch$1.call('resultNoChanges', this);
-
-	        endSave();
-
-	        context.flush(); // reset iD
-	    }
-
-	    function didResultInErrors() {
-
-	        context.history().pop();
-
-	        dispatch$1.call('resultErrors', this, _errors);
-
-	        endSave();
-	    }
-
-
-	    function didResultInConflicts(changeset) {
-
-	        _conflicts.sort(function(a, b) { return b.id.localeCompare(a.id); });
-
-	        dispatch$1.call('resultConflicts', this, changeset, _conflicts, _origChanges);
-
-	        endSave();
-	    }
-
-
-	    function didResultInSuccess(changeset) {
-
-	        // delete the edit stack cached to local storage
-	        context.history().clearSaved();
-
-	        dispatch$1.call('resultSuccess', this, changeset);
-
-	        // Add delay to allow for postgres replication #1646 #2678
-	        window.setTimeout(function() {
-
-	            endSave();
-
-	            context.flush(); // reset iD
-	        }, 2500);
-	    }
-
-
-	    function endSave() {
-	        _isSaving = false;
-
-	        dispatch$1.call('saveEnded', this);
-	    }
-
-
-	    uploader.cancelConflictResolution = function() {
-	        context.history().pop();
-	    };
-
-
-	    uploader.processResolvedConflicts = function(changeset) {
-	        var history = context.history();
-
-	        for (var i = 0; i < _conflicts.length; i++) {
-	            if (_conflicts[i].chosen === 1) {  // user chose "use theirs"
-	                var entity = context.hasEntity(_conflicts[i].id);
-	                if (entity && entity.type === 'way') {
-	                    var children = utilArrayUniq(entity.nodes);
-	                    for (var j = 0; j < children.length; j++) {
-	                        history.replace(actionRevert(children[j]));
-	                    }
-	                }
-	                history.replace(actionRevert(_conflicts[i].id));
-	            }
-	        }
-
-	        uploader.save(changeset, true, false);  // tryAgain = true, checkConflicts = false
-	    };
-
-
-	    uploader.reset = function() {
-
-	    };
-
-
-	    return uploader;
-	}
-
-	var isRetina = window.devicePixelRatio && window.devicePixelRatio >= 2;
-
-	// listen for DPI change, e.g. when dragging a browser window from a retina to non-retina screen
-	window.matchMedia(`
-        (-webkit-min-device-pixel-ratio: 2), /* Safari */
-        (min-resolution: 2dppx),             /* standard */
-        (min-resolution: 192dpi)             /* fallback */
-    `).addListener(function() {
-
-	    isRetina = window.devicePixelRatio && window.devicePixelRatio >= 2;
-	});
-
-
-	function localeDateString(s) {
-	    if (!s) return null;
-	    var options = { day: 'numeric', month: 'short', year: 'numeric' };
-	    var d = new Date(s);
-	    if (isNaN(d.getTime())) return null;
-	    return d.toLocaleDateString(_mainLocalizer.localeCode(), options);
-	}
-
-	function vintageRange(vintage) {
-	    var s;
-	    if (vintage.start || vintage.end) {
-	        s = (vintage.start || '?');
-	        if (vintage.start !== vintage.end) {
-	            s += ' - ' + (vintage.end || '?');
-	        }
-	    }
-	    return s;
-	}
-
-
-	function rendererBackgroundSource(data) {
-	    var source = Object.assign({}, data);   // shallow copy
-	    var _offset = [0, 0];
-	    var _name = source.name;
-	    var _description = source.description;
-	    var _best = !!source.best;
-	    var _template = source.encrypted ? utilAesDecrypt(source.template) : source.template;
-
-	    source.tileSize = data.tileSize || 256;
-	    source.zoomExtent = data.zoomExtent || [0, 22];
-	    source.overzoom = data.overzoom !== false;
-
-	    source.offset = function(val) {
-	        if (!arguments.length) return _offset;
-	        _offset = val;
-	        return source;
-	    };
-
-
-	    source.nudge = function(val, zoomlevel) {
-	        _offset[0] += val[0] / Math.pow(2, zoomlevel);
-	        _offset[1] += val[1] / Math.pow(2, zoomlevel);
-	        return source;
-	    };
-
-
-	    source.name = function() {
-	        var id_safe = source.id.replace(/\./g, '<TX_DOT>');
-	        return _t('imagery.' + id_safe + '.name', { default: _name });
-	    };
-
-
-	    source.description = function() {
-	        var id_safe = source.id.replace(/\./g, '<TX_DOT>');
-	        return _t('imagery.' + id_safe + '.description', { default: _description });
-	    };
-
-
-	    source.best = function() {
-	        return _best;
-	    };
-
-
-	    source.area = function() {
-	        if (!data.polygon) return Number.MAX_VALUE;  // worldwide
-	        var area = d3_geoArea({ type: 'MultiPolygon', coordinates: [ data.polygon ] });
-	        return isNaN(area) ? 0 : area;
-	    };
-
-
-	    source.imageryUsed = function() {
-	        return name || source.id;
-	    };
-
-
-	    source.template = function(val) {
-	        if (!arguments.length) return _template;
-	        if (source.id === 'custom') {
-	            _template = val;
-	        }
-	        return source;
-	    };
-
-
-	    source.url = function(coord) {
-	        var result = _template;
-	        if (result === '') return result;   // source 'none'
-
-
-	        // Guess a type based on the tokens present in the template
-	        // (This is for 'custom' source, where we don't know)
-	        if (!source.type) {
-	            if (/\{(proj|wkid|bbox)\}/.test(_template)) {
-	                source.type = 'wms';
-	                source.projection = 'EPSG:3857';  // guess
-	            } else if (/\{(x|y)\}/.test(_template)) {
-	                source.type = 'tms';
-	            } else if (/\{u\}/.test(_template)) {
-	                source.type = 'bing';
-	            }
-	        }
-
-
-	        if (source.type === 'wms') {
-	            var tileToProjectedCoords = (function(x, y, z) {
-	                //polyfill for IE11, PhantomJS
-	                var sinh = Math.sinh || function(x) {
-	                    var y = Math.exp(x);
-	                    return (y - 1 / y) / 2;
-	                };
-
-	                var zoomSize = Math.pow(2, z);
-	                var lon = x / zoomSize * Math.PI * 2 - Math.PI;
-	                var lat = Math.atan(sinh(Math.PI * (1 - 2 * y / zoomSize)));
-
-	                switch (source.projection) {
-	                    case 'EPSG:4326':
-	                        return {
-	                            x: lon * 180 / Math.PI,
-	                            y: lat * 180 / Math.PI
-	                        };
-	                    default: // EPSG:3857 and synonyms
-	                        var mercCoords = mercatorRaw(lon, lat);
-	                        return {
-	                            x: 20037508.34 / Math.PI * mercCoords[0],
-	                            y: 20037508.34 / Math.PI * mercCoords[1]
-	                        };
-	                }
-	            });
-
-	            var tileSize = source.tileSize;
-	            var projection = source.projection;
-	            var minXmaxY = tileToProjectedCoords(coord[0], coord[1], coord[2]);
-	            var maxXminY = tileToProjectedCoords(coord[0]+1, coord[1]+1, coord[2]);
-
-	            result = result.replace(/\{(\w+)\}/g, function (token, key) {
-	              switch (key) {
-	                case 'width':
-	                case 'height':
-	                  return tileSize;
-	                case 'proj':
-	                  return projection;
-	                case 'wkid':
-	                  return projection.replace(/^EPSG:/, '');
-	                case 'bbox':
-	                  return minXmaxY.x + ',' + maxXminY.y + ',' + maxXminY.x + ',' + minXmaxY.y;
-	                case 'w':
-	                  return minXmaxY.x;
-	                case 's':
-	                  return maxXminY.y;
-	                case 'n':
-	                  return maxXminY.x;
-	                case 'e':
-	                  return minXmaxY.y;
-	                default:
-	                  return token;
-	              }
-	            });
-
-	        } else if (source.type === 'tms') {
-	            result = result
-	                .replace('{x}', coord[0])
-	                .replace('{y}', coord[1])
-	                // TMS-flipped y coordinate
-	                .replace(/\{[t-]y\}/, Math.pow(2, coord[2]) - coord[1] - 1)
-	                .replace(/\{z(oom)?\}/, coord[2])
-	                // only fetch retina tiles for retina screens
-	                .replace(/\{@2x\}|\{r\}/, isRetina ? '@2x' : '');
-
-	        } else if (source.type === 'bing') {
-	            result = result
-	                .replace('{u}', function() {
-	                    var u = '';
-	                    for (var zoom = coord[2]; zoom > 0; zoom--) {
-	                        var b = 0;
-	                        var mask = 1 << (zoom - 1);
-	                        if ((coord[0] & mask) !== 0) b++;
-	                        if ((coord[1] & mask) !== 0) b += 2;
-	                        u += b.toString();
-	                    }
-	                    return u;
-	                });
-	        }
-
-	        // these apply to any type..
-	        result = result.replace(/\{switch:([^}]+)\}/, function(s, r) {
-	            var subdomains = r.split(',');
-	            return subdomains[(coord[0] + coord[1]) % subdomains.length];
-	        });
-
-
-	        return result;
-	    };
-
-
-	    source.validZoom = function(z) {
-	        return source.zoomExtent[0] <= z &&
-	            (source.overzoom || source.zoomExtent[1] > z);
-	    };
-
-
-	    source.isLocatorOverlay = function() {
-	        return source.id === 'mapbox_locator_overlay';
-	    };
-
-
-	    /* hides a source from the list, but leaves it available for use */
-	    source.isHidden = function() {
-	        return source.id === 'DigitalGlobe-Premium-vintage' ||
-	            source.id === 'DigitalGlobe-Standard-vintage';
-	    };
-
-
-	    source.copyrightNotices = function() {};
-
-
-	    source.getMetadata = function(center, tileCoord, callback) {
-	        var vintage = {
-	            start: localeDateString(source.startDate),
-	            end: localeDateString(source.endDate)
-	        };
-	        vintage.range = vintageRange(vintage);
-
-	        var metadata = { vintage: vintage };
-	        callback(null, metadata);
-	    };
-
-
-	    return source;
-	}
-
-
-	rendererBackgroundSource.Bing = function(data, dispatch) {
-	    // http://msdn.microsoft.com/en-us/library/ff701716.aspx
-	    // http://msdn.microsoft.com/en-us/library/ff701701.aspx
-
-	    data.template = 'https://ecn.t{switch:0,1,2,3}.tiles.virtualearth.net/tiles/a{u}.jpeg?g=587&mkt=en-gb&n=z';
-
-	    var bing = rendererBackgroundSource(data);
-	    // var key = 'Arzdiw4nlOJzRwOz__qailc8NiR31Tt51dN2D7cm57NrnceZnCpgOkmJhNpGoppU'; // P2, JOSM, etc
-	    var key = 'Ak5oTE46TUbjRp08OFVcGpkARErDobfpuyNKa-W2mQ8wbt1K1KL8p1bIRwWwcF-Q';    // iD
-
-
-	    var url = 'https://dev.virtualearth.net/REST/v1/Imagery/Metadata/Aerial?include=ImageryProviders&key=' + key;
-	    var cache = {};
-	    var inflight = {};
-	    var providers = [];
-
-	    d3_json(url)
-	        .then(function(json) {
-	            providers = json.resourceSets[0].resources[0].imageryProviders.map(function(provider) {
-	                return {
-	                    attribution: provider.attribution,
-	                    areas: provider.coverageAreas.map(function(area) {
-	                        return {
-	                            zoom: [area.zoomMin, area.zoomMax],
-	                            extent: geoExtent([area.bbox[1], area.bbox[0]], [area.bbox[3], area.bbox[2]])
-	                        };
-	                    })
-	                };
-	            });
-	            dispatch.call('change');
-	        })
-	        .catch(function() {
-	            /* ignore */
-	        });
-
-
-	    bing.copyrightNotices = function(zoom, extent) {
-	        zoom = Math.min(zoom, 21);
-	        return providers.filter(function(provider) {
-	            return provider.areas.some(function(area) {
-	                return extent.intersects(area.extent) &&
-	                    area.zoom[0] <= zoom &&
-	                    area.zoom[1] >= zoom;
-	            });
-	        }).map(function(provider) {
-	            return provider.attribution;
-	        }).join(', ');
-	    };
-
-
-	    bing.getMetadata = function(center, tileCoord, callback) {
-	        var tileID = tileCoord.slice(0, 3).join('/');
-	        var zoom = Math.min(tileCoord[2], 21);
-	        var centerPoint = center[1] + ',' + center[0];  // lat,lng
-	        var url = 'https://dev.virtualearth.net/REST/v1/Imagery/Metadata/Aerial/' + centerPoint +
-	                '?zl=' + zoom + '&key=' + key;
-
-	        if (inflight[tileID]) return;
-
-	        if (!cache[tileID]) {
-	            cache[tileID] = {};
-	        }
-	        if (cache[tileID] && cache[tileID].metadata) {
-	            return callback(null, cache[tileID].metadata);
-	        }
-
-	        inflight[tileID] = true;
-	        d3_json(url)
-	            .then(function(result) {
-	                delete inflight[tileID];
-	                if (!result) {
-	                    throw new Error('Unknown Error');
-	                }
-	                var vintage = {
-	                    start: localeDateString(result.resourceSets[0].resources[0].vintageStart),
-	                    end: localeDateString(result.resourceSets[0].resources[0].vintageEnd)
-	                };
-	                vintage.range = vintageRange(vintage);
-
-	                var metadata = { vintage: vintage };
-	                cache[tileID].metadata = metadata;
-	                if (callback) callback(null, metadata);
-	            })
-	            .catch(function(err) {
-	                delete inflight[tileID];
-	                if (callback) callback(err.message);
-	            });
-	    };
-
-
-	    bing.terms_url = 'https://blog.openstreetmap.org/2010/11/30/microsoft-imagery-details';
-
-
-	    return bing;
-	};
-
-
-
-	rendererBackgroundSource.Esri = function(data) {
-	    // in addition to using the tilemap at zoom level 20, overzoom real tiles - #4327 (deprecated technique, but it works)
-	    if (data.template.match(/blankTile/) === null) {
-	        data.template = data.template + '?blankTile=false';
-	    }
-
-	    var esri = rendererBackgroundSource(data);
-	    var cache = {};
-	    var inflight = {};
-	    var _prevCenter;
-
-	    // use a tilemap service to set maximum zoom for esri tiles dynamically
-	    // https://developers.arcgis.com/documentation/tiled-elevation-service/
-	    esri.fetchTilemap = function(center) {
-	        // skip if we have already fetched a tilemap within 5km
-	        if (_prevCenter && geoSphericalDistance(center, _prevCenter) < 5000) return;
-	        _prevCenter = center;
-
-	        // tiles are available globally to zoom level 19, afterward they may or may not be present
-	        var z = 20;
-
-	        // first generate a random url using the template
-	        var dummyUrl = esri.url([1,2,3]);
-
-	        // calculate url z/y/x from the lat/long of the center of the map
-	        var x = (Math.floor((center[0] + 180) / 360 * Math.pow(2, z)));
-	        var y = (Math.floor((1 - Math.log(Math.tan(center[1] * Math.PI / 180) + 1 / Math.cos(center[1] * Math.PI / 180)) / Math.PI) / 2 * Math.pow(2, z)));
-
-	        // fetch an 8x8 grid to leverage cache
-	        var tilemapUrl = dummyUrl.replace(/tile\/[0-9]+\/[0-9]+\/[0-9]+\?blankTile=false/, 'tilemap') + '/' + z + '/' + y + '/' + x + '/8/8';
-
-	        // make the request and introspect the response from the tilemap server
-	        d3_json(tilemapUrl)
-	            .then(function(tilemap) {
-	                if (!tilemap) {
-	                    throw new Error('Unknown Error');
-	                }
-	                var hasTiles = true;
-	                for (var i = 0; i < tilemap.data.length; i++) {
-	                    // 0 means an individual tile in the grid doesn't exist
-	                    if (!tilemap.data[i]) {
-	                        hasTiles = false;
-	                        break;
-	                    }
-	                }
-
-	                // if any tiles are missing at level 20 we restrict maxZoom to 19
-	                esri.zoomExtent[1] = (hasTiles ? 22 : 19);
-	            })
-	            .catch(function() {
-	                /* ignore */
-	            });
-	    };
-
-
-	    esri.getMetadata = function(center, tileCoord, callback) {
-	        var tileID = tileCoord.slice(0, 3).join('/');
-	        var zoom = Math.min(tileCoord[2], esri.zoomExtent[1]);
-	        var centerPoint = center[0] + ',' + center[1];  // long, lat (as it should be)
-	        var unknown = _t('info_panels.background.unknown');
-	        var metadataLayer;
-	        var vintage = {};
-	        var metadata = {};
-
-	        if (inflight[tileID]) return;
-
-	        switch (true) {
-	            case (zoom >= 20 && esri.id === 'EsriWorldImageryClarity'):
-	                metadataLayer = 4;
-	                break;
-	            case zoom >= 19:
-	                metadataLayer = 3;
-	                break;
-	            case zoom >= 17:
-	                metadataLayer = 2;
-	                break;
-	            case zoom >= 13:
-	                metadataLayer = 0;
-	                break;
-	            default:
-	                metadataLayer = 99;
-	        }
-
-	        var url;
-	        // build up query using the layer appropriate to the current zoom
-	        if (esri.id === 'EsriWorldImagery') {
-	            url = 'https://services.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/';
-	        } else if (esri.id === 'EsriWorldImageryClarity') {
-	            url = 'https://serviceslab.arcgisonline.com/arcgis/rest/services/Clarity_World_Imagery/MapServer/';
-	        }
-
-	        url += metadataLayer + '/query?returnGeometry=false&geometry=' + centerPoint + '&inSR=4326&geometryType=esriGeometryPoint&outFields=*&f=json';
-
-	        if (!cache[tileID]) {
-	            cache[tileID] = {};
-	        }
-	        if (cache[tileID] && cache[tileID].metadata) {
-	            return callback(null, cache[tileID].metadata);
-	        }
-
-	        // accurate metadata is only available >= 13
-	        if (metadataLayer === 99) {
-	            vintage = {
-	                start: null,
-	                end: null,
-	                range: null
-	            };
-	            metadata = {
-	                vintage: null,
-	                source: unknown,
-	                description: unknown,
-	                resolution: unknown,
-	                accuracy: unknown
-	            };
-
-	            callback(null, metadata);
-
-	        } else {
-	            inflight[tileID] = true;
-	            d3_json(url)
-	                .then(function(result) {
-	                    delete inflight[tileID];
-	                    if (!result) {
-	                        throw new Error('Unknown Error');
-	                    } else if (result.features && result.features.length < 1) {
-	                        throw new Error('No Results');
-	                    } else if (result.error && result.error.message) {
-	                        throw new Error(result.error.message);
-	                    }
-
-	                    // pass through the discrete capture date from metadata
-	                    var captureDate = localeDateString(result.features[0].attributes.SRC_DATE2);
-	                    vintage = {
-	                        start: captureDate,
-	                        end: captureDate,
-	                        range: captureDate
-	                    };
-	                    metadata = {
-	                        vintage: vintage,
-	                        source: clean(result.features[0].attributes.NICE_NAME),
-	                        description: clean(result.features[0].attributes.NICE_DESC),
-	                        resolution: clean(+parseFloat(result.features[0].attributes.SRC_RES).toFixed(4)),
-	                        accuracy: clean(+parseFloat(result.features[0].attributes.SRC_ACC).toFixed(4))
-	                    };
-
-	                    // append units - meters
-	                    if (isFinite(metadata.resolution)) {
-	                        metadata.resolution += ' m';
-	                    }
-	                    if (isFinite(metadata.accuracy)) {
-	                        metadata.accuracy += ' m';
-	                    }
-
-	                    cache[tileID].metadata = metadata;
-	                    if (callback) callback(null, metadata);
-	                })
-	                .catch(function(err) {
-	                    delete inflight[tileID];
-	                    if (callback) callback(err.message);
-	                });
-	        }
-
-
-	        function clean(val) {
-	            return String(val).trim() || unknown;
-	        }
-	    };
-
-	    return esri;
-	};
-
-
-	rendererBackgroundSource.None = function() {
-	    var source = rendererBackgroundSource({ id: 'none', template: '' });
-
-
-	    source.name = function() {
-	        return _t('background.none');
-	    };
-
-
-	    source.imageryUsed = function() {
-	        return null;
-	    };
-
-
-	    source.area = function() {
-	        return -1;  // sources in background pane are sorted by area
-	    };
-
-
-	    return source;
-	};
-
-
-	rendererBackgroundSource.Custom = function(template) {
-	    var source = rendererBackgroundSource({ id: 'custom', template: template });
-
-
-	    source.name = function() {
-	        return _t('background.custom');
-	    };
-
-
-	    source.imageryUsed = function() {
-	        // sanitize personal connection tokens - #6801
-	        var cleaned = source.template();
-
-	        // from query string parameters
-	        if (cleaned.indexOf('?') !== -1) {
-	            var parts = cleaned.split('?', 2);
-	            var qs = utilStringQs(parts[1]);
-
-	            ['access_token', 'connectId', 'token'].forEach(function(param) {
-	                if (qs[param]) {
-	                    qs[param] = '{apikey}';
-	                }
-	            });
-	            cleaned = parts[0] + '?' + utilQsString(qs, true);  // true = soft encode
-	        }
-
-	        // from wms/wmts api path parameters
-	        cleaned = cleaned.replace(/token\/(\w+)/, 'token/{apikey}');
-
-	        return 'Custom (' + cleaned + ' )';
-	    };
-
-
-	    source.area = function() {
-	        return -2;  // sources in background pane are sorted by area
-	    };
-
-
-	    return source;
-	};
-
-	function rendererTileLayer(context) {
-	    var transformProp = utilPrefixCSSProperty('Transform');
-	    var tiler = utilTiler();
-
-	    var _tileSize = 256;
-	    var _projection;
-	    var _cache = {};
-	    var _tileOrigin;
-	    var _zoom;
-	    var _source;
-
-
-	    function tileSizeAtZoom(d, z) {
-	        var EPSILON = 0.002;    // close seams
-	        return ((_tileSize * Math.pow(2, z - d[2])) / _tileSize) + EPSILON;
-	    }
-
-
-	    function atZoom(t, distance) {
-	        var power = Math.pow(2, distance);
-	        return [
-	            Math.floor(t[0] * power),
-	            Math.floor(t[1] * power),
-	            t[2] + distance
-	        ];
-	    }
-
-
-	    function lookUp(d) {
-	        for (var up = -1; up > -d[2]; up--) {
-	            var tile = atZoom(d, up);
-	            if (_cache[_source.url(tile)] !== false) {
-	                return tile;
-	            }
-	        }
-	    }
-
-
-	    function uniqueBy(a, n) {
-	        var o = [];
-	        var seen = {};
-	        for (var i = 0; i < a.length; i++) {
-	            if (seen[a[i][n]] === undefined) {
-	                o.push(a[i]);
-	                seen[a[i][n]] = true;
-	            }
-	        }
-	        return o;
-	    }
-
-
-	    function addSource(d) {
-	        d.push(_source.url(d));
-	        return d;
-	    }
-
-
-	    // Update tiles based on current state of `projection`.
-	    function background(selection) {
-	        _zoom = geoScaleToZoom(_projection.scale(), _tileSize);
-
-	        var pixelOffset;
-	        if (_source) {
-	            pixelOffset = [
-	                _source.offset()[0] * Math.pow(2, _zoom),
-	                _source.offset()[1] * Math.pow(2, _zoom)
-	            ];
-	        } else {
-	            pixelOffset = [0, 0];
-	        }
-
-	        var translate = [
-	            _projection.translate()[0] + pixelOffset[0],
-	            _projection.translate()[1] + pixelOffset[1]
-	        ];
-
-	        tiler
-	            .scale(_projection.scale() * 2 * Math.PI)
-	            .translate(translate);
-
-	        _tileOrigin = [
-	            _projection.scale() * Math.PI - translate[0],
-	            _projection.scale() * Math.PI - translate[1]
-	        ];
-
-	        render(selection);
-	    }
-
-
-	    // Derive the tiles onscreen, remove those offscreen and position them.
-	    // Important that this part not depend on `_projection` because it's
-	    // rentered when tiles load/error (see #644).
-	    function render(selection) {
-	        if (!_source) return;
-	        var requests = [];
-	        var showDebug = context.getDebug('tile') && !_source.overlay;
-
-	        if (_source.validZoom(_zoom)) {
-	            tiler.skipNullIsland(!!_source.overlay);
-
-	            tiler().forEach(function(d) {
-	                addSource(d);
-	                if (d[3] === '') return;
-	                if (typeof d[3] !== 'string') return; // Workaround for #2295
-	                requests.push(d);
-	                if (_cache[d[3]] === false && lookUp(d)) {
-	                    requests.push(addSource(lookUp(d)));
-	                }
-	            });
-
-	            requests = uniqueBy(requests, 3).filter(function(r) {
-	                // don't re-request tiles which have failed in the past
-	                return _cache[r[3]] !== false;
-	            });
-	        }
-
-	        function load(d) {
-	            _cache[d[3]] = true;
-	            select(this)
-	                .on('error', null)
-	                .on('load', null)
-	                .classed('tile-loaded', true);
-	            render(selection);
-	        }
-
-	        function error(d) {
-	            _cache[d[3]] = false;
-	            select(this)
-	                .on('error', null)
-	                .on('load', null)
-	                .remove();
-	            render(selection);
-	        }
-
-	        function imageTransform(d) {
-	            var ts = _tileSize * Math.pow(2, _zoom - d[2]);
-	            var scale = tileSizeAtZoom(d, _zoom);
-	            return 'translate(' +
-	                ((d[0] * ts) - _tileOrigin[0]) + 'px,' +
-	                ((d[1] * ts) - _tileOrigin[1]) + 'px) ' +
-	                'scale(' + scale + ',' + scale + ')';
-	        }
-
-	        function tileCenter(d) {
-	            var ts = _tileSize * Math.pow(2, _zoom - d[2]);
-	            return [
-	                ((d[0] * ts) - _tileOrigin[0] + (ts / 2)),
-	                ((d[1] * ts) - _tileOrigin[1] + (ts / 2))
-	            ];
-	        }
-
-	        function debugTransform(d) {
-	            var coord = tileCenter(d);
-	            return 'translate(' + coord[0] + 'px,' + coord[1] + 'px)';
-	        }
-
-
-	        // Pick a representative tile near the center of the viewport
-	        // (This is useful for sampling the imagery vintage)
-	        var dims = tiler.size();
-	        var mapCenter = [dims[0] / 2, dims[1] / 2];
-	        var minDist = Math.max(dims[0], dims[1]);
-	        var nearCenter;
-
-	        requests.forEach(function(d) {
-	            var c = tileCenter(d);
-	            var dist = geoVecLength(c, mapCenter);
-	            if (dist < minDist) {
-	                minDist = dist;
-	                nearCenter = d;
-	            }
-	        });
-
-
-	        var image = selection.selectAll('img')
-	            .data(requests, function(d) { return d[3]; });
-
-	        image.exit()
-	            .style(transformProp, imageTransform)
-	            .classed('tile-removing', true)
-	            .classed('tile-center', false)
-	            .each(function() {
-	                var tile = select(this);
-	                window.setTimeout(function() {
-	                    if (tile.classed('tile-removing')) {
-	                        tile.remove();
-	                    }
-	                }, 300);
-	            });
-
-	        image.enter()
-	          .append('img')
-	            .attr('class', 'tile')
-	            .attr('draggable', 'false')
-	            .style('width', _tileSize + 'px')
-	            .style('height', _tileSize + 'px')
-	            .attr('src', function(d) { return d[3]; })
-	            .on('error', error)
-	            .on('load', load)
-	          .merge(image)
-	            .style(transformProp, imageTransform)
-	            .classed('tile-debug', showDebug)
-	            .classed('tile-removing', false)
-	            .classed('tile-center', function(d) { return d === nearCenter; });
-
-
-
-	        var debug = selection.selectAll('.tile-label-debug')
-	            .data(showDebug ? requests : [], function(d) { return d[3]; });
-
-	        debug.exit()
-	            .remove();
-
-	        if (showDebug) {
-	            var debugEnter = debug.enter()
-	                .append('div')
-	                .attr('class', 'tile-label-debug');
-
-	            debugEnter
-	                .append('div')
-	                .attr('class', 'tile-label-debug-coord');
-
-	            debugEnter
-	                .append('div')
-	                .attr('class', 'tile-label-debug-vintage');
-
-	            debug = debug.merge(debugEnter);
-
-	            debug
-	                .style(transformProp, debugTransform);
-
-	            debug
-	                .selectAll('.tile-label-debug-coord')
-	                .text(function(d) { return d[2] + ' / ' + d[0] + ' / ' + d[1]; });
-
-	            debug
-	                .selectAll('.tile-label-debug-vintage')
-	                .each(function(d) {
-	                    var span = select(this);
-	                    var center = context.projection.invert(tileCenter(d));
-	                    _source.getMetadata(center, d, function(err, result) {
-	                        span.text((result && result.vintage && result.vintage.range) ||
-	                            _t('info_panels.background.vintage') + ': ' + _t('info_panels.background.unknown')
-	                        );
-	                    });
-	                });
-	        }
-
-	    }
-
-
-	    background.projection = function(val) {
-	        if (!arguments.length) return _projection;
-	        _projection = val;
-	        return background;
-	    };
-
-
-	    background.dimensions = function(val) {
-	        if (!arguments.length) return tiler.size();
-	        tiler.size(val);
-	        return background;
-	    };
-
-
-	    background.source = function(val) {
-	        if (!arguments.length) return _source;
-	        _source = val;
-	        _tileSize = _source.tileSize;
-	        _cache = {};
-	        tiler.tileSize(_source.tileSize).zoomExtent(_source.zoomExtent);
-	        return background;
-	    };
-
-
-	    return background;
-	}
-
-	let _imageryIndex = null;
-
-	function rendererBackground(context) {
-	  const dispatch$1 = dispatch('change');
-	  const detected = utilDetect();
-	  const baseLayer = rendererTileLayer(context).projection(context.projection);
-	  let _isValid = true;
-	  let _overlayLayers = [];
-	  let _brightness = 1;
-	  let _contrast = 1;
-	  let _saturation = 1;
-	  let _sharpness = 1;
-
-
-	  function ensureImageryIndex() {
-	    return _mainFileFetcher.get('imagery')
-	      .then(sources => {
-	        if (_imageryIndex) return _imageryIndex;
-
-	        _imageryIndex = {
-	          imagery: sources,
-	          features: {}
-	        };
-
-	        // use which-polygon to support efficient index and querying for imagery
-	        const features = sources.map(source => {
-	          if (!source.polygon) return null;
-	          // workaround for editor-layer-index weirdness..
-	          // Add an extra array nest to each element in `source.polygon`
-	          // so the rings are not treated as a bunch of holes:
-	          // what we have: [ [[outer],[hole],[hole]] ]
-	          // what we want: [ [[outer]],[[outer]],[[outer]] ]
-	          const rings = source.polygon.map(ring => [ring]);
-
-	          const feature = {
-	            type: 'Feature',
-	            properties: { id: source.id },
-	            geometry: { type: 'MultiPolygon', coordinates: rings }
-	          };
-
-	          _imageryIndex.features[source.id] = feature;
-	          return feature;
-
-	        }).filter(Boolean);
-
-	        _imageryIndex.query = whichPolygon_1({ type: 'FeatureCollection', features: features });
-
-
-	        // Instantiate `rendererBackgroundSource` objects for each source
-	        _imageryIndex.backgrounds = sources.map(source => {
-	          if (source.type === 'bing') {
-	            return rendererBackgroundSource.Bing(source, dispatch$1);
-	          } else if (/^EsriWorldImagery/.test(source.id)) {
-	            return rendererBackgroundSource.Esri(source);
-	          } else {
-	            return rendererBackgroundSource(source);
-	          }
-	        });
-
-	        // Add 'None'
-	        _imageryIndex.backgrounds.unshift(rendererBackgroundSource.None());
-
-	        // Add 'Custom'
-	        let template = corePreferences('background-custom-template') || '';
-	        const custom = rendererBackgroundSource.Custom(template);
-	        _imageryIndex.backgrounds.unshift(custom);
-
-	        return _imageryIndex;
-	      });
-	  }
-
-
-	  function background(selection) {
-	    const currSource = baseLayer.source();
-
-	    // If we are displaying an Esri basemap at high zoom,
-	    // check its tilemap to see how high the zoom can go
-	    if (context.map().zoom() > 18) {
-	      if (currSource && /^EsriWorldImagery/.test(currSource.id)) {
-	        const center = context.map().center();
-	        currSource.fetchTilemap(center);
-	      }
-	    }
-
-	    // Is the imagery valid here? - #4827
-	    const sources = background.sources(context.map().extent());
-	    const wasValid = _isValid;
-	    _isValid = !!sources.filter(d => d === currSource).length;
-
-	    if (wasValid !== _isValid) {      // change in valid status
-	      background.updateImagery();
-	    }
-
-
-	    let baseFilter = '';
-	    if (detected.cssfilters) {
-	      if (_brightness !== 1) {
-	        baseFilter += ` brightness(${_brightness})`;
-	      }
-	      if (_contrast !== 1) {
-	        baseFilter += ` contrast(${_contrast})`;
-	      }
-	      if (_saturation !== 1) {
-	        baseFilter += ` saturate(${_saturation})`;
-	      }
-	      if (_sharpness < 1) {  // gaussian blur
-	        const blur = d3_interpolateNumber(0.5, 5)(1 - _sharpness);
-	        baseFilter += ` blur(${blur}px)`;
-	      }
-	    }
-
-	    let base = selection.selectAll('.layer-background')
-	      .data([0]);
-
-	    base = base.enter()
-	      .insert('div', '.layer-data')
-	      .attr('class', 'layer layer-background')
-	      .merge(base);
-
-	    if (detected.cssfilters) {
-	      base.style('filter', baseFilter || null);
-	    } else {
-	      base.style('opacity', _brightness);
-	    }
-
-
-	    let imagery = base.selectAll('.layer-imagery')
-	      .data([0]);
-
-	    imagery.enter()
-	      .append('div')
-	      .attr('class', 'layer layer-imagery')
-	      .merge(imagery)
-	      .call(baseLayer);
-
-
-	    let maskFilter = '';
-	    let mixBlendMode = '';
-	    if (detected.cssfilters && _sharpness > 1) {  // apply unsharp mask
-	      mixBlendMode = 'overlay';
-	      maskFilter = 'saturate(0) blur(3px) invert(1)';
-
-	      let contrast = _sharpness - 1;
-	      maskFilter += ` contrast(${contrast})`;
-
-	      let brightness = d3_interpolateNumber(1, 0.85)(_sharpness - 1);
-	      maskFilter += ` brightness(${brightness})`;
-	    }
-
-	    let mask = base.selectAll('.layer-unsharp-mask')
-	      .data(detected.cssfilters && _sharpness > 1 ? [0] : []);
-
-	    mask.exit()
-	      .remove();
-
-	    mask.enter()
-	      .append('div')
-	      .attr('class', 'layer layer-mask layer-unsharp-mask')
-	      .merge(mask)
-	      .call(baseLayer)
-	      .style('filter', maskFilter || null)
-	      .style('mix-blend-mode', mixBlendMode || null);
-
-
-	    let overlays = selection.selectAll('.layer-overlay')
-	      .data(_overlayLayers, d => d.source().name());
-
-	    overlays.exit()
-	      .remove();
-
-	    overlays.enter()
-	      .insert('div', '.layer-data')
-	      .attr('class', 'layer layer-overlay')
-	      .merge(overlays)
-	      .each((layer, i, nodes) => select(nodes[i]).call(layer));
-	  }
-
-
-	  background.updateImagery = function() {
-	    let currSource = baseLayer.source();
-	    if (context.inIntro() || !currSource) return;
-
-	    let o = _overlayLayers
-	      .filter(d => !d.source().isLocatorOverlay() && !d.source().isHidden())
-	      .map(d => d.source().id)
-	      .join(',');
-
-	    const meters = geoOffsetToMeters(currSource.offset());
-	    const EPSILON = 0.01;
-	    const x = +meters[0].toFixed(2);
-	    const y = +meters[1].toFixed(2);
-	    let hash = utilStringQs(window.location.hash);
-
-	    let id = currSource.id;
-	    if (id === 'custom') {
-	      id = `custom:${currSource.template()}`;
-	    }
-
-	    if (id) {
-	      hash.background = id;
-	    } else {
-	      delete hash.background;
-	    }
-
-	    if (o) {
-	      hash.overlays = o;
-	    } else {
-	      delete hash.overlays;
-	    }
-
-	    if (Math.abs(x) > EPSILON || Math.abs(y) > EPSILON) {
-	      hash.offset = `${x},${y}`;
-	    } else {
-	      delete hash.offset;
-	    }
-
-	    if (!window.mocha) {
-	      window.location.replace('#' + utilQsString(hash, true));
-	    }
-
-	    let imageryUsed = [];
-	    let photoOverlaysUsed = [];
-
-	    const currUsed = currSource.imageryUsed();
-	    if (currUsed && _isValid) {
-	      imageryUsed.push(currUsed);
-	    }
-
-	    _overlayLayers
-	      .filter(d => !d.source().isLocatorOverlay() && !d.source().isHidden())
-	      .forEach(d => imageryUsed.push(d.source().imageryUsed()));
-
-	    const dataLayer = context.layers().layer('data');
-	    if (dataLayer && dataLayer.enabled() && dataLayer.hasData()) {
-	      imageryUsed.push(dataLayer.getSrc());
-	    }
-
-	    const photoOverlayLayers = {
-	      streetside: 'Bing Streetside',
-	      mapillary: 'Mapillary Images',
-	      'mapillary-map-features': 'Mapillary Map Features',
-	      'mapillary-signs': 'Mapillary Signs',
-	      openstreetcam: 'OpenStreetCam Images'
-	    };
-
-	    for (let layerID in photoOverlayLayers) {
-	      const layer = context.layers().layer(layerID);
-	      if (layer && layer.enabled()) {
-	        photoOverlaysUsed.push(layerID);
-	        imageryUsed.push(photoOverlayLayers[layerID]);
-	      }
-	    }
-
-	    context.history().imageryUsed(imageryUsed);
-	    context.history().photoOverlaysUsed(photoOverlaysUsed);
-	  };
-
-
-	  background.sources = (extent, zoom, includeCurrent) => {
-	    if (!_imageryIndex) return [];   // called before init()?
-
-	    let visible = {};
-	    (_imageryIndex.query.bbox(extent.rectangle(), true) || [])
-	      .forEach(d => visible[d.id] = true);
-
-	    const currSource = baseLayer.source();
-
-	    return _imageryIndex.backgrounds.filter(source => {
-	      if (!source.polygon) return true;                          // always include imagery with worldwide coverage
-	      if (includeCurrent && currSource === source) return true;  // optionally include the current imagery
-	      if (zoom && zoom < 6) return false;                        // optionally exclude local imagery at low zooms
-	      return visible[source.id];                                 // include imagery visible in given extent
-	    });
-	  };
-
-
-	  background.dimensions = (val) => {
-	    if (!val) return;
-	    baseLayer.dimensions(val);
-	    _overlayLayers.forEach(layer => layer.dimensions(val));
-	  };
-
-
-	  background.baseLayerSource = function(d) {
-	    if (!arguments.length) return baseLayer.source();
-
-	    // test source against OSM imagery blacklists..
-	    const osm = context.connection();
-	    if (!osm) return background;
-
-	    const blacklists = osm.imageryBlacklists();
-	    const template = d.template();
-	    let fail = false;
-	    let tested = 0;
-	    let regex;
-
-	    for (let i = 0; i < blacklists.length; i++) {
-	      try {
-	        regex = new RegExp(blacklists[i]);
-	        fail = regex.test(template);
-	        tested++;
-	        if (fail) break;
-	      } catch (e) {
-	        /* noop */
-	      }
-	    }
-
-	    // ensure at least one test was run.
-	    if (!tested) {
-	      regex = new RegExp('.*\.google(apis)?\..*/(vt|kh)[\?/].*([xyz]=.*){3}.*');
-	      fail = regex.test(template);
-	    }
-
-	    baseLayer.source(!fail ? d : background.findSource('none'));
-	    dispatch$1.call('change');
-	    background.updateImagery();
-	    return background;
-	  };
-
-
-	  background.findSource = (id) => {
-	    if (!id || !_imageryIndex) return null;   // called before init()?
-	    return _imageryIndex.backgrounds.find(d => d.id && d.id === id);
-	  };
-
-
-	  background.bing = () => {
-	    background.baseLayerSource(background.findSource('Bing'));
-	  };
-
-
-	  background.showsLayer = (d) => {
-	    const currSource = baseLayer.source();
-	    if (!d || !currSource) return false;
-	    return d.id === currSource.id || _overlayLayers.some(layer => d.id === layer.source().id);
-	  };
-
-
-	  background.overlayLayerSources = () => {
-	    return _overlayLayers.map(layer => layer.source());
-	  };
-
-
-	  background.toggleOverlayLayer = (d) => {
-	    let layer;
-	    for (let i = 0; i < _overlayLayers.length; i++) {
-	      layer = _overlayLayers[i];
-	      if (layer.source() === d) {
-	        _overlayLayers.splice(i, 1);
-	        dispatch$1.call('change');
-	        background.updateImagery();
-	        return;
-	      }
-	    }
-
-	    layer = rendererTileLayer(context)
-	      .source(d)
-	      .projection(context.projection)
-	      .dimensions(baseLayer.dimensions()
-	    );
-
-	    _overlayLayers.push(layer);
-	    dispatch$1.call('change');
-	    background.updateImagery();
-	  };
-
-
-	  background.nudge = (d, zoom) => {
-	    const currSource = baseLayer.source();
-	    if (currSource) {
-	      currSource.nudge(d, zoom);
-	      dispatch$1.call('change');
-	      background.updateImagery();
-	    }
-	    return background;
-	  };
-
-
-	  background.offset = function(d) {
-	    const currSource = baseLayer.source();
-	    if (!arguments.length) {
-	      return (currSource && currSource.offset()) || [0, 0];
-	    }
-	    if (currSource) {
-	      currSource.offset(d);
-	      dispatch$1.call('change');
-	      background.updateImagery();
-	    }
-	    return background;
-	  };
-
-
-	  background.brightness = function(d) {
-	    if (!arguments.length) return _brightness;
-	    _brightness = d;
-	    if (context.mode()) dispatch$1.call('change');
-	    return background;
-	  };
-
-
-	  background.contrast = function(d) {
-	    if (!arguments.length) return _contrast;
-	    _contrast = d;
-	    if (context.mode()) dispatch$1.call('change');
-	    return background;
-	  };
-
-
-	  background.saturation = function(d) {
-	    if (!arguments.length) return _saturation;
-	    _saturation = d;
-	    if (context.mode()) dispatch$1.call('change');
-	    return background;
-	  };
-
-
-	  background.sharpness = function(d) {
-	    if (!arguments.length) return _sharpness;
-	    _sharpness = d;
-	    if (context.mode()) dispatch$1.call('change');
-	    return background;
-	  };
-
-	  let _loadPromise;
-
-	  background.ensureLoaded = () => {
-
-	    if (_loadPromise) return _loadPromise;
-
-	    function parseMapParams(qmap) {
-	      if (!qmap) return false;
-	      const params = qmap.split('/').map(Number);
-	      if (params.length < 3 || params.some(isNaN)) return false;
-	      return geoExtent([params[2], params[1]]);  // lon,lat
-	    }
-
-	    const hash = utilStringQs(window.location.hash);
-	    const requested = hash.background || hash.layer;
-	    let extent = parseMapParams(hash.map);
-
-	    return _loadPromise = ensureImageryIndex()
-	      .then(imageryIndex => {
-	        const first = imageryIndex.backgrounds.length && imageryIndex.backgrounds[0];
-
-	        let best;
-	        if (!requested && extent) {
-	          best = background.sources(extent).find(s => s.best());
-	        }
-
-	        // Decide which background layer to display
-	        if (requested && requested.indexOf('custom:') === 0) {
-	          const template = requested.replace(/^custom:/, '');
-	          const custom = background.findSource('custom');
-	          background.baseLayerSource(custom.template(template));
-	          corePreferences('background-custom-template', template);
-	        } else {
-	          background.baseLayerSource(
-	            background.findSource(requested) ||
-	            best ||
-	            background.findSource(corePreferences('background-last-used')) ||
-	            background.findSource('Bing') ||
-	            first ||
-	            background.findSource('none')
-	          );
-	        }
-
-	        const locator = imageryIndex.backgrounds.find(d => d.overlay && d.default);
-	        if (locator) {
-	          background.toggleOverlayLayer(locator);
-	        }
-
-	        const overlays = (hash.overlays || '').split(',');
-	        overlays.forEach(overlay => {
-	          overlay = background.findSource(overlay);
-	          if (overlay) {
-	            background.toggleOverlayLayer(overlay);
-	          }
-	        });
-
-	        if (hash.gpx) {
-	          const gpx = context.layers().layer('data');
-	          if (gpx) {
-	            gpx.url(hash.gpx, '.gpx');
-	          }
-	        }
-
-	        if (hash.offset) {
-	          const offset = hash.offset
-	            .replace(/;/g, ',')
-	            .split(',')
-	            .map(n => !isNaN(n) && n);
-
-	          if (offset.length === 2) {
-	            background.offset(geoMetersToOffset(offset));
-	          }
-	        }
-	      })
-	      .catch(() => { /* ignore */ });
-	  };
-
-
-	  return utilRebind(background, dispatch$1, 'on');
-	}
-
-	function rendererFeatures(context) {
-	    var dispatch$1 = dispatch('change', 'redraw');
-	    var features = utilRebind({}, dispatch$1, 'on');
-	    var _deferred = new Set();
-
-	    var traffic_roads = {
-	        'motorway': true,
-	        'motorway_link': true,
-	        'trunk': true,
-	        'trunk_link': true,
-	        'primary': true,
-	        'primary_link': true,
-	        'secondary': true,
-	        'secondary_link': true,
-	        'tertiary': true,
-	        'tertiary_link': true,
-	        'residential': true,
-	        'unclassified': true,
-	        'living_street': true
-	    };
-
-	    var service_roads = {
-	        'service': true,
-	        'road': true,
-	        'track': true
-	    };
-
-	    var paths = {
-	        'path': true,
-	        'footway': true,
-	        'cycleway': true,
-	        'bridleway': true,
-	        'steps': true,
-	        'pedestrian': true
-	    };
-
-	    var past_futures = {
-	        'proposed': true,
-	        'construction': true,
-	        'abandoned': true,
-	        'dismantled': true,
-	        'disused': true,
-	        'razed': true,
-	        'demolished': true,
-	        'obliterated': true
-	    };
-
-	    var _cullFactor = 1;
-	    var _cache = {};
-	    var _rules = {};
-	    var _stats = {};
-	    var _keys = [];
-	    var _hidden = [];
-	    var _forceVisible = {};
-
-
-	    function update() {
-	        if (!window.mocha) {
-	            var hash = utilStringQs(window.location.hash);
-	            var disabled = features.disabled();
-	            if (disabled.length) {
-	                hash.disable_features = disabled.join(',');
-	            } else {
-	                delete hash.disable_features;
-	            }
-	            window.location.replace('#' + utilQsString(hash, true));
-	            corePreferences('disabled-features', disabled.join(','));
-	        }
-	        _hidden = features.hidden();
-	        dispatch$1.call('change');
-	        dispatch$1.call('redraw');
-	    }
-
-
-	    function defineRule(k, filter, max) {
-	        var isEnabled = true;
-
-	        _keys.push(k);
-	        _rules[k] = {
-	            filter: filter,
-	            enabled: isEnabled,   // whether the user wants it enabled..
-	            count: 0,
-	            currentMax: (max || Infinity),
-	            defaultMax: (max || Infinity),
-	            enable: function() { this.enabled = true; this.currentMax = this.defaultMax; },
-	            disable: function() { this.enabled = false; this.currentMax = 0; },
-	            hidden: function() {
-	                return (this.count === 0 && !this.enabled) ||
-	                    this.count > this.currentMax * _cullFactor;
-	            },
-	            autoHidden: function() { return this.hidden() && this.currentMax > 0; }
-	        };
-	    }
-
-
-	    defineRule('points', function isPoint(tags, geometry) {
-	        return geometry === 'point';
-	    }, 200);
-
-	    defineRule('traffic_roads', function isTrafficRoad(tags) {
-	        return traffic_roads[tags.highway];
-	    });
-
-	    defineRule('service_roads', function isServiceRoad(tags) {
-	        return service_roads[tags.highway];
-	    });
-
-	    defineRule('paths', function isPath(tags) {
-	        return paths[tags.highway];
-	    });
-
-	    defineRule('buildings', function isBuilding(tags) {
-	        return (
-	            (!!tags.building && tags.building !== 'no') ||
-	            tags.parking === 'multi-storey' ||
-	            tags.parking === 'sheds' ||
-	            tags.parking === 'carports' ||
-	            tags.parking === 'garage_boxes'
-	        );
-	    }, 250);
-
-	    defineRule('building_parts', function isBuildingPart(tags) {
-	        return tags['building:part'];
-	    });
-
-	    defineRule('indoor', function isIndoor(tags) {
-	        return tags.indoor;
-	    });
-
-	    defineRule('landuse', function isLanduse(tags, geometry) {
-	        return geometry === 'area' &&
-	            !_rules.buildings.filter(tags) &&
-	            !_rules.building_parts.filter(tags) &&
-	            !_rules.indoor.filter(tags) &&
-	            !_rules.water.filter(tags) &&
-	            !_rules.pistes.filter(tags);
-	    });
-
-	    defineRule('boundaries', function isBoundary(tags) {
-	        return (
-	            !!tags.boundary
-	        ) && !(
-	            traffic_roads[tags.highway] ||
-	            service_roads[tags.highway] ||
-	            paths[tags.highway] ||
-	            tags.waterway ||
-	            tags.railway ||
-	            tags.landuse ||
-	            tags.natural ||
-	            tags.building ||
-	            tags.power
-	        );
-	    });
-
-	    defineRule('water', function isWater(tags) {
-	        return (
-	            !!tags.waterway ||
-	            tags.natural === 'water' ||
-	            tags.natural === 'coastline' ||
-	            tags.natural === 'bay' ||
-	            tags.landuse === 'pond' ||
-	            tags.landuse === 'basin' ||
-	            tags.landuse === 'reservoir' ||
-	            tags.landuse === 'salt_pond'
-	        );
-	    });
-
-	    defineRule('rail', function isRail(tags) {
-	        return (
-	            !!tags.railway ||
-	            tags.landuse === 'railway'
-	        ) && !(
-	            traffic_roads[tags.highway] ||
-	            service_roads[tags.highway] ||
-	            paths[tags.highway]
-	        );
-	    });
-
-	    defineRule('pistes', function isPiste(tags) {
-	        return tags['piste:type'];
-	    });
-
-	    defineRule('aerialways', function isPiste(tags) {
-	        return tags.aerialway &&
-	            tags.aerialway !== 'yes' &&
-	            tags.aerialway !== 'station';
-	    });
-
-	    defineRule('power', function isPower(tags) {
-	        return !!tags.power;
-	    });
-
-	    // contains a past/future tag, but not in active use as a road/path/cycleway/etc..
-	    defineRule('past_future', function isPastFuture(tags) {
-	        if (
-	            traffic_roads[tags.highway] ||
-	            service_roads[tags.highway] ||
-	            paths[tags.highway]
-	        ) { return false; }
-
-	        var strings = Object.keys(tags);
-
-	        for (var i = 0; i < strings.length; i++) {
-	            var s = strings[i];
-	            if (past_futures[s] || past_futures[tags[s]]) { return true; }
-	        }
-	        return false;
-	    });
-
-	    // Lines or areas that don't match another feature filter.
-	    // IMPORTANT: The 'others' feature must be the last one defined,
-	    //   so that code in getMatches can skip this test if `hasMatch = true`
-	    defineRule('others', function isOther(tags, geometry) {
-	        return (geometry === 'line' || geometry === 'area');
-	    });
-
-
-
-	    features.features = function() {
-	        return _rules;
-	    };
-
-
-	    features.keys = function() {
-	        return _keys;
-	    };
-
-
-	    features.enabled = function(k) {
-	        if (!arguments.length) {
-	            return _keys.filter(function(k) { return _rules[k].enabled; });
-	        }
-	        return _rules[k] && _rules[k].enabled;
-	    };
-
-
-	    features.disabled = function(k) {
-	        if (!arguments.length) {
-	            return _keys.filter(function(k) { return !_rules[k].enabled; });
-	        }
-	        return _rules[k] && !_rules[k].enabled;
-	    };
-
-
-	    features.hidden = function(k) {
-	        if (!arguments.length) {
-	            return _keys.filter(function(k) { return _rules[k].hidden(); });
-	        }
-	        return _rules[k] && _rules[k].hidden();
-	    };
-
-
-	    features.autoHidden = function(k) {
-	        if (!arguments.length) {
-	            return _keys.filter(function(k) { return _rules[k].autoHidden(); });
-	        }
-	        return _rules[k] && _rules[k].autoHidden();
-	    };
-
-
-	    features.enable = function(k) {
-	        if (_rules[k] && !_rules[k].enabled) {
-	            _rules[k].enable();
-	            update();
-	        }
-	    };
-
-	    features.enableAll = function() {
-	        var didEnable = false;
-	        for (var k in _rules) {
-	            if (!_rules[k].enabled) {
-	                didEnable = true;
-	                _rules[k].enable();
-	            }
-	        }
-	        if (didEnable) update();
-	    };
-
-
-	    features.disable = function(k) {
-	        if (_rules[k] && _rules[k].enabled) {
-	            _rules[k].disable();
-	            update();
-	        }
-	    };
-
-	    features.disableAll = function() {
-	        var didDisable = false;
-	        for (var k in _rules) {
-	            if (_rules[k].enabled) {
-	                didDisable = true;
-	                _rules[k].disable();
-	            }
-	        }
-	        if (didDisable) update();
-	    };
-
-
-	    features.toggle = function(k) {
-	        if (_rules[k]) {
-	            (function(f) { return f.enabled ? f.disable() : f.enable(); }(_rules[k]));
-	            update();
-	        }
-	    };
-
-
-	    features.resetStats = function() {
-	        for (var i = 0; i < _keys.length; i++) {
-	            _rules[_keys[i]].count = 0;
-	        }
-	        dispatch$1.call('change');
-	    };
-
-
-	    features.gatherStats = function(d, resolver, dimensions) {
-	        var needsRedraw = false;
-	        var types = utilArrayGroupBy(d, 'type');
-	        var entities = [].concat(types.relation || [], types.way || [], types.node || []);
-	        var currHidden, geometry, matches, i, j;
-
-	        for (i = 0; i < _keys.length; i++) {
-	            _rules[_keys[i]].count = 0;
-	        }
-
-	        // adjust the threshold for point/building culling based on viewport size..
-	        // a _cullFactor of 1 corresponds to a 1000x1000px viewport..
-	        _cullFactor = dimensions[0] * dimensions[1] / 1000000;
-
-	        for (i = 0; i < entities.length; i++) {
-	            geometry = entities[i].geometry(resolver);
-	            matches = Object.keys(features.getMatches(entities[i], resolver, geometry));
-	            for (j = 0; j < matches.length; j++) {
-	                _rules[matches[j]].count++;
-	            }
-	        }
-
-	        currHidden = features.hidden();
-	        if (currHidden !== _hidden) {
-	            _hidden = currHidden;
-	            needsRedraw = true;
-	            dispatch$1.call('change');
-	        }
-
-	        return needsRedraw;
-	    };
-
-
-	    features.stats = function() {
-	        for (var i = 0; i < _keys.length; i++) {
-	            _stats[_keys[i]] = _rules[_keys[i]].count;
-	        }
-
-	        return _stats;
-	    };
-
-
-	    features.clear = function(d) {
-	        for (var i = 0; i < d.length; i++) {
-	            features.clearEntity(d[i]);
-	        }
-	    };
-
-
-	    features.clearEntity = function(entity) {
-	        delete _cache[osmEntity.key(entity)];
-	    };
-
-
-	    features.reset = function() {
-	        Array.from(_deferred).forEach(function(handle) {
-	            window.cancelIdleCallback(handle);
-	            _deferred.delete(handle);
-	        });
-
-	        _cache = {};
-	    };
-
-	    // only certain relations are worth checking
-	    function relationShouldBeChecked(relation) {
-	        // multipolygon features have `area` geometry and aren't checked here
-	        return relation.tags.type === 'boundary';
-	    }
-
-	    features.getMatches = function(entity, resolver, geometry) {
-	        if (geometry === 'vertex' ||
-	            (geometry === 'relation' && !relationShouldBeChecked(entity))) return {};
-
-	        var ent = osmEntity.key(entity);
-	        if (!_cache[ent]) {
-	            _cache[ent] = {};
-	        }
-
-	        if (!_cache[ent].matches) {
-	            var matches = {};
-	            var hasMatch = false;
-
-	            for (var i = 0; i < _keys.length; i++) {
-	                if (_keys[i] === 'others') {
-	                    if (hasMatch) continue;
-
-	                    // If an entity...
-	                    //   1. is a way that hasn't matched other 'interesting' feature rules,
-	                    if (entity.type === 'way') {
-	                        var parents = features.getParents(entity, resolver, geometry);
-
-	                        //   2a. belongs only to a single multipolygon relation
-	                        if ((parents.length === 1 && parents[0].isMultipolygon()) ||
-	                            // 2b. or belongs only to boundary relations
-	                            (parents.length > 0 && parents.every(function(parent) { return parent.tags.type === 'boundary'; }))) {
-
-	                            // ...then match whatever feature rules the parent relation has matched.
-	                            // see #2548, #2887
-	                            //
-	                            // IMPORTANT:
-	                            // For this to work, getMatches must be called on relations before ways.
-	                            //
-	                            var pkey = osmEntity.key(parents[0]);
-	                            if (_cache[pkey] && _cache[pkey].matches) {
-	                                matches = Object.assign({}, _cache[pkey].matches);  // shallow copy
-	                                continue;
-	                            }
-	                        }
-	                    }
-	                }
-
-	                if (_rules[_keys[i]].filter(entity.tags, geometry)) {
-	                    matches[_keys[i]] = hasMatch = true;
-	                }
-	            }
-	            _cache[ent].matches = matches;
-	        }
-
-	        return _cache[ent].matches;
-	    };
-
-
-	    features.getParents = function(entity, resolver, geometry) {
-	        if (geometry === 'point') return [];
-
-	        var ent = osmEntity.key(entity);
-	        if (!_cache[ent]) {
-	            _cache[ent] = {};
-	        }
-
-	        if (!_cache[ent].parents) {
-	            var parents = [];
-	            if (geometry === 'vertex') {
-	                parents = resolver.parentWays(entity);
-	            } else {   // 'line', 'area', 'relation'
-	                parents = resolver.parentRelations(entity);
-	            }
-	            _cache[ent].parents = parents;
-	        }
-	        return _cache[ent].parents;
-	    };
-
-
-	    features.isHiddenPreset = function(preset, geometry) {
-	        if (!_hidden.length) return false;
-	        if (!preset.tags) return false;
-
-	        var test = preset.setTags({}, geometry);
-	        for (var key in _rules) {
-	            if (_rules[key].filter(test, geometry)) {
-	                if (_hidden.indexOf(key) !== -1) {
-	                    return key;
-	                }
-	                return false;
-	            }
-	        }
-	        return false;
-	    };
-
-
-	    features.isHiddenFeature = function(entity, resolver, geometry) {
-	        if (!_hidden.length) return false;
-	        if (!entity.version) return false;
-	        if (_forceVisible[entity.id]) return false;
-
-	        var matches = Object.keys(features.getMatches(entity, resolver, geometry));
-	        return matches.length && matches.every(function(k) { return features.hidden(k); });
-	    };
-
-
-	    features.isHiddenChild = function(entity, resolver, geometry) {
-	        if (!_hidden.length) return false;
-	        if (!entity.version || geometry === 'point') return false;
-	        if (_forceVisible[entity.id]) return false;
-
-	        var parents = features.getParents(entity, resolver, geometry);
-	        if (!parents.length) return false;
-
-	        for (var i = 0; i < parents.length; i++) {
-	            if (!features.isHidden(parents[i], resolver, parents[i].geometry(resolver))) {
-	                return false;
-	            }
-	        }
-	        return true;
-	    };
-
-
-	    features.hasHiddenConnections = function(entity, resolver) {
-	        if (!_hidden.length) return false;
-
-	        var childNodes, connections;
-	        if (entity.type === 'midpoint') {
-	            childNodes = [resolver.entity(entity.edge[0]), resolver.entity(entity.edge[1])];
-	            connections = [];
-	        } else {
-	            childNodes = entity.nodes ? resolver.childNodes(entity) : [];
-	            connections = features.getParents(entity, resolver, entity.geometry(resolver));
-	        }
-
-	        // gather ways connected to child nodes..
-	        connections = childNodes.reduce(function(result, e) {
-	            return resolver.isShared(e) ? utilArrayUnion(result, resolver.parentWays(e)) : result;
-	        }, connections);
-
-	        return connections.some(function(e) {
-	            return features.isHidden(e, resolver, e.geometry(resolver));
-	        });
-	    };
-
-
-	    features.isHidden = function(entity, resolver, geometry) {
-	        if (!_hidden.length) return false;
-	        if (!entity.version) return false;
-
-	        var fn = (geometry === 'vertex' ? features.isHiddenChild : features.isHiddenFeature);
-	        return fn(entity, resolver, geometry);
-	    };
-
-
-	    features.filter = function(d, resolver) {
-	        if (!_hidden.length) return d;
-
-	        var result = [];
-	        for (var i = 0; i < d.length; i++) {
-	            var entity = d[i];
-	            if (!features.isHidden(entity, resolver, entity.geometry(resolver))) {
-	                result.push(entity);
-	            }
-	        }
-	        return result;
-	    };
-
-
-	    features.forceVisible = function(entityIDs) {
-	        if (!arguments.length) return Object.keys(_forceVisible);
-
-	        _forceVisible = {};
-	        for (var i = 0; i < entityIDs.length; i++) {
-	            _forceVisible[entityIDs[i]] = true;
-	            var entity = context.hasEntity(entityIDs[i]);
-	            if (entity && entity.type === 'relation') {
-	                // also show relation members (one level deep)
-	                for (var j in entity.members) {
-	                    _forceVisible[entity.members[j].id] = true;
-	                }
-	            }
-	        }
-	        return features;
-	    };
-
-
-	    features.init = function() {
-	        var storage = corePreferences('disabled-features');
-	        if (storage) {
-	            var storageDisabled = storage.replace(/;/g, ',').split(',');
-	            storageDisabled.forEach(features.disable);
-	        }
-
-	        var hash = utilStringQs(window.location.hash);
-	        if (hash.disable_features) {
-	            var hashDisabled = hash.disable_features.replace(/;/g, ',').split(',');
-	            hashDisabled.forEach(features.disable);
-	        }
-	    };
-
-
-	    // warm up the feature matching cache upon merging fetched data
-	    context.history().on('merge.features', function(newEntities) {
-	        if (!newEntities) return;
-	        var handle = window.requestIdleCallback(function() {
-	            var graph = context.graph();
-	            var types = utilArrayGroupBy(newEntities, 'type');
-	            // ensure that getMatches is called on relations before ways
-	            var entities = [].concat(types.relation || [], types.way || [], types.node || []);
-	            for (var i = 0; i < entities.length; i++) {
-	                var geometry = entities[i].geometry(graph);
-	                features.getMatches(entities[i], graph, geometry);
-	            }
-	        });
-	        _deferred.add(handle);
-	    });
-
-
-	    return features;
-	}
-
-	// Touch targets control which other vertices we can drag a vertex onto.
-	//
-	// - the activeID - nope
-	// - 1 away (adjacent) to the activeID - yes (vertices will be merged)
-	// - 2 away from the activeID - nope (would create a self intersecting segment)
-	// - all others on a linear way - yes
-	// - all others on a closed way - nope (would create a self intersecting polygon)
-	//
-	// returns
-	// 0 = active vertex - no touch/connect
-	// 1 = passive vertex - yes touch/connect
-	// 2 = adjacent vertex - yes but pay attention segmenting a line here
-	//
-	function svgPassiveVertex(node, graph, activeID) {
-	    if (!activeID) return 1;
-	    if (activeID === node.id) return 0;
-
-	    var parents = graph.parentWays(node);
-
-	    var i, j, nodes, isClosed, ix1, ix2, ix3, ix4, max;
-
-	    for (i = 0; i < parents.length; i++) {
-	        nodes = parents[i].nodes;
-	        isClosed = parents[i].isClosed();
-	        for (j = 0; j < nodes.length; j++) {   // find this vertex, look nearby
-	            if (nodes[j] === node.id) {
-	                ix1 = j - 2;
-	                ix2 = j - 1;
-	                ix3 = j + 1;
-	                ix4 = j + 2;
-
-	                if (isClosed) {  // wraparound if needed
-	                    max = nodes.length - 1;
-	                    if (ix1 < 0)   ix1 = max + ix1;
-	                    if (ix2 < 0)   ix2 = max + ix2;
-	                    if (ix3 > max) ix3 = ix3 - max;
-	                    if (ix4 > max) ix4 = ix4 - max;
-	                }
-
-	                if (nodes[ix1] === activeID) return 0;        // no - prevent self intersect
-	                else if (nodes[ix2] === activeID) return 2;   // ok - adjacent
-	                else if (nodes[ix3] === activeID) return 2;   // ok - adjacent
-	                else if (nodes[ix4] === activeID) return 0;   // no - prevent self intersect
-	                else if (isClosed && nodes.indexOf(activeID) !== -1) return 0;  // no - prevent self intersect
-	            }
-	        }
-	    }
-
-	    return 1;   // ok
-	}
-
-
-	function svgMarkerSegments(projection, graph, dt,
-	                                  shouldReverse,
-	                                  bothDirections) {
-	    return function(entity) {
-	        var i = 0;
-	        var offset = dt;
-	        var segments = [];
-	        var clip = d3_geoIdentity().clipExtent(projection.clipExtent()).stream;
-	        var coordinates = graph.childNodes(entity).map(function(n) { return n.loc; });
-	        var a, b;
-
-	        if (shouldReverse(entity)) {
-	            coordinates.reverse();
-	        }
-
-	        d3_geoStream({
-	            type: 'LineString',
-	            coordinates: coordinates
-	        }, projection.stream(clip({
-	            lineStart: function() {},
-	            lineEnd: function() { a = null; },
-	            point: function(x, y) {
-	                b = [x, y];
-
-	                if (a) {
-	                    var span = geoVecLength(a, b) - offset;
-
-	                    if (span >= 0) {
-	                        var heading = geoVecAngle(a, b);
-	                        var dx = dt * Math.cos(heading);
-	                        var dy = dt * Math.sin(heading);
-	                        var p = [
-	                            a[0] + offset * Math.cos(heading),
-	                            a[1] + offset * Math.sin(heading)
-	                        ];
-
-	                        // gather coordinates
-	                        var coord = [a, p];
-	                        for (span -= dt; span >= 0; span -= dt) {
-	                            p = geoVecAdd(p, [dx, dy]);
-	                            coord.push(p);
-	                        }
-	                        coord.push(b);
-
-	                        // generate svg paths
-	                        var segment = '';
-	                        var j;
-
-	                        for (j = 0; j < coord.length; j++) {
-	                            segment += (j === 0 ? 'M' : 'L') + coord[j][0] + ',' + coord[j][1];
-	                        }
-	                        segments.push({ id: entity.id, index: i++, d: segment });
-
-	                        if (bothDirections(entity)) {
-	                            segment = '';
-	                            for (j = coord.length - 1; j >= 0; j--) {
-	                                segment += (j === coord.length - 1 ? 'M' : 'L') + coord[j][0] + ',' + coord[j][1];
-	                            }
-	                            segments.push({ id: entity.id, index: i++, d: segment });
-	                        }
-	                    }
-
-	                    offset = -span;
-	                }
-
-	                a = b;
-	            }
-	        })));
-
-	        return segments;
-	    };
-	}
-
-
-	function svgPath(projection, graph, isArea) {
-
-	    // Explanation of magic numbers:
-	    // "padding" here allows space for strokes to extend beyond the viewport,
-	    // so that the stroke isn't drawn along the edge of the viewport when
-	    // the shape is clipped.
-	    //
-	    // When drawing lines, pad viewport by 5px.
-	    // When drawing areas, pad viewport by 65px in each direction to allow
-	    // for 60px area fill stroke (see ".fill-partial path.fill" css rule)
-
-	    var cache = {};
-	    var padding = isArea ? 65 : 5;
-	    var viewport = projection.clipExtent();
-	    var paddedExtent = [
-	        [viewport[0][0] - padding, viewport[0][1] - padding],
-	        [viewport[1][0] + padding, viewport[1][1] + padding]
-	    ];
-	    var clip = d3_geoIdentity().clipExtent(paddedExtent).stream;
-	    var project = projection.stream;
-	    var path = d3_geoPath()
-	        .projection({stream: function(output) { return project(clip(output)); }});
-
-	    var svgpath = function(entity) {
-	        if (entity.id in cache) {
-	            return cache[entity.id];
-	        } else {
-	            return cache[entity.id] = path(entity.asGeoJSON(graph));
-	        }
-	    };
-
-	    svgpath.geojson = function(d) {
-	        if (d.__featurehash__ !== undefined) {
-	            if (d.__featurehash__ in cache) {
-	                return cache[d.__featurehash__];
-	            } else {
-	                return cache[d.__featurehash__] = path(d);
-	            }
-	        } else {
-	            return path(d);
-	        }
-	    };
-
-	    return svgpath;
-	}
-
-
-	function svgPointTransform(projection) {
-	    var svgpoint = function(entity) {
-	        // http://jsperf.com/short-array-join
-	        var pt = projection(entity.loc);
-	        return 'translate(' + pt[0] + ',' + pt[1] + ')';
-	    };
-
-	    svgpoint.geojson = function(d) {
-	        return svgpoint(d.properties.entity);
-	    };
-
-	    return svgpoint;
-	}
-
-
-	function svgRelationMemberTags(graph) {
-	    return function(entity) {
-	        var tags = entity.tags;
-	        var shouldCopyMultipolygonTags = !entity.hasInterestingTags();
-	        graph.parentRelations(entity).forEach(function(relation) {
-	            var type = relation.tags.type;
-	            if ((type === 'multipolygon' && shouldCopyMultipolygonTags) || type === 'boundary') {
-	                tags = Object.assign({}, relation.tags, tags);
-	            }
-	        });
-	        return tags;
-	    };
-	}
-
-
-	function svgSegmentWay(way, graph, activeID) {
-	    // When there is no activeID, we can memoize this expensive computation
-	    if (activeID === undefined) {
-	        return graph.transient(way, 'waySegments', getWaySegments);
-	    } else {
-	        return getWaySegments();
-	    }
-
-	    function getWaySegments() {
-	        var isActiveWay = (way.nodes.indexOf(activeID) !== -1);
-	        var features = { passive: [], active: [] };
-	        var start = {};
-	        var end = {};
-	        var node, type;
-
-	        for (var i = 0; i < way.nodes.length; i++) {
-	            node = graph.entity(way.nodes[i]);
-	            type = svgPassiveVertex(node, graph, activeID);
-	            end = { node: node, type: type };
-
-	            if (start.type !== undefined) {
-	                if (start.node.id === activeID || end.node.id === activeID) ; else if (isActiveWay && (start.type === 2 || end.type === 2)) {   // one adjacent vertex
-	                    pushActive(start, end, i);
-	                } else if (start.type === 0 && end.type === 0) {   // both active vertices
-	                    pushActive(start, end, i);
-	                } else {
-	                    pushPassive(start, end, i);
-	                }
-	            }
-
-	            start = end;
-	        }
-
-	        return features;
-
-	        function pushActive(start, end, index) {
-	            features.active.push({
-	                type: 'Feature',
-	                id: way.id + '-' + index + '-nope',
-	                properties: {
-	                    nope: true,
-	                    target: true,
-	                    entity: way,
-	                    nodes: [start.node, end.node],
-	                    index: index
-	                },
-	                geometry: {
-	                    type: 'LineString',
-	                    coordinates: [start.node.loc, end.node.loc]
-	                }
-	            });
-	        }
-
-	        function pushPassive(start, end, index) {
-	            features.passive.push({
-	                type: 'Feature',
-	                id: way.id + '-' + index,
-	                properties: {
-	                    target: true,
-	                    entity: way,
-	                    nodes: [start.node, end.node],
-	                    index: index
-	                },
-	                geometry: {
-	                    type: 'LineString',
-	                    coordinates: [start.node.loc, end.node.loc]
-	                }
-	            });
-	        }
-	    }
-	}
-
-	function svgTagClasses() {
-	    var primaries = [
-	        'building', 'highway', 'railway', 'waterway', 'aeroway', 'aerialway',
-	        'piste:type', 'boundary', 'power', 'amenity', 'natural', 'landuse',
-	        'leisure', 'military', 'place', 'man_made', 'route', 'attraction',
-	        'building:part', 'indoor'
-	    ];
-	    var statuses = [
-	        // nonexistent, might be built
-	        'proposed', 'planned',
-	        // under maintentance or between groundbreaking and opening
-	        'construction',
-	        // existent but not functional
-	        'disused',
-	        // dilapidated to nonexistent
-	        'abandoned',
-	        // nonexistent, still may appear in imagery
-	        'dismantled', 'razed', 'demolished', 'obliterated',
-	        // existent occasionally, e.g. stormwater drainage basin
-	        'intermittent'
-	    ];
-	    var secondaries = [
-	        'oneway', 'bridge', 'tunnel', 'embankment', 'cutting', 'barrier',
-	        'surface', 'tracktype', 'footway', 'crossing', 'service', 'sport',
-	        'public_transport', 'location', 'parking', 'golf', 'type', 'leisure',
-	        'man_made', 'indoor'
-	    ];
-	    var _tags = function(entity) { return entity.tags; };
-
-
-	    var tagClasses = function(selection) {
-	        selection.each(function tagClassesEach(entity) {
-	            var value = this.className;
-
-	            if (value.baseVal !== undefined) {
-	                value = value.baseVal;
-	            }
-
-	            var t = _tags(entity);
-
-	            var computed = tagClasses.getClassesString(t, value);
-
-	            if (computed !== value) {
-	                select(this).attr('class', computed);
-	            }
-	        });
-	    };
-
-
-	    tagClasses.getClassesString = function(t, value) {
-	        var primary, status;
-	        var i, j, k, v;
-
-	        // in some situations we want to render perimeter strokes a certain way
-	        var overrideGeometry;
-	        if (/\bstroke\b/.test(value)) {
-	            if (!!t.barrier && t.barrier !== 'no') {
-	                overrideGeometry = 'line';
-	            }
-	        }
-
-	        // preserve base classes (nothing with `tag-`)
-	        var classes = value.trim().split(/\s+/)
-	            .filter(function(klass) {
-	                return klass.length && !/^tag-/.test(klass);
-	            })
-	            .map(function(klass) {  // special overrides for some perimeter strokes
-	                return (klass === 'line' || klass === 'area') ? (overrideGeometry || klass) : klass;
-	            });
-
-	        // pick at most one primary classification tag..
-	        for (i = 0; i < primaries.length; i++) {
-	            k = primaries[i];
-	            v = t[k];
-	            if (!v || v === 'no') continue;
-
-	            if (k === 'piste:type') {  // avoid a ':' in the class name
-	                k = 'piste';
-	            } else if (k === 'building:part') {  // avoid a ':' in the class name
-	                k = 'building_part';
-	            }
-
-	            primary = k;
-	            if (statuses.indexOf(v) !== -1) {   // e.g. `railway=abandoned`
-	                status = v;
-	                classes.push('tag-' + k);
-	            } else {
-	                classes.push('tag-' + k);
-	                classes.push('tag-' + k + '-' + v);
-	            }
-
-	            break;
-	        }
-
-	        if (!primary) {
-	            for (i = 0; i < statuses.length; i++) {
-	                for (j = 0; j < primaries.length; j++) {
-	                    k = statuses[i] + ':' + primaries[j];  // e.g. `demolished:building=yes`
-	                    v = t[k];
-	                    if (!v || v === 'no') continue;
-
-	                    status = statuses[i];
-	                    break;
-	                }
-	            }
-	        }
-
-	        // add at most one status tag, only if relates to primary tag..
-	        if (!status) {
-	            for (i = 0; i < statuses.length; i++) {
-	                k = statuses[i];
-	                v = t[k];
-	                if (!v || v === 'no') continue;
-
-	                if (v === 'yes') {   // e.g. `railway=rail + abandoned=yes`
-	                    status = k;
-	                }
-	                else if (primary && primary === v) {  // e.g. `railway=rail + abandoned=railway`
-	                    status = k;
-	                } else if (!primary && primaries.indexOf(v) !== -1) {  // e.g. `abandoned=railway`
-	                    status = k;
-	                    primary = v;
-	                    classes.push('tag-' + v);
-	                }  // else ignore e.g.  `highway=path + abandoned=railway`
-
-	                if (status) break;
-	            }
-	        }
-
-	        if (status) {
-	            classes.push('tag-status');
-	            classes.push('tag-status-' + status);
-	        }
-
-	        // add any secondary tags
-	        for (i = 0; i < secondaries.length; i++) {
-	            k = secondaries[i];
-	            v = t[k];
-	            if (!v || v === 'no' || k === primary) continue;
-	            classes.push('tag-' + k);
-	            classes.push('tag-' + k + '-' + v);
-	        }
-
-	        // For highways, look for surface tagging..
-	        if ((primary === 'highway' && !osmPathHighwayTagValues[t.highway]) || primary === 'aeroway') {
-	            var surface = t.highway === 'track' ? 'unpaved' : 'paved';
-	            for (k in t) {
-	                v = t[k];
-	                if (k in osmPavedTags) {
-	                    surface = osmPavedTags[k][v] ? 'paved' : 'unpaved';
-	                }
-	                if (k in osmSemipavedTags && !!osmSemipavedTags[k][v]) {
-	                    surface = 'semipaved';
-	                }
-	            }
-	            classes.push('tag-' + surface);
-	        }
-
-	        // If this is a wikidata-tagged item, add a class for that..
-	        if (t.wikidata || t['brand:wikidata']) {
-	            classes.push('tag-wikidata');
-	        }
-
-	        return classes.join(' ').trim();
-	    };
-
-
-	    tagClasses.tags = function(val) {
-	        if (!arguments.length) return _tags;
-	        _tags = val;
-	        return tagClasses;
-	    };
-
-	    return tagClasses;
-	}
-
-	// Patterns only work in Firefox when set directly on element.
-	// (This is not a bug: https://bugzilla.mozilla.org/show_bug.cgi?id=750632)
-	var patterns = {
-	    // tag - pattern name
-	    // -or-
-	    // tag - value - pattern name
-	    // -or-
-	    // tag - value - rules (optional tag-values, pattern name)
-	    // (matches earlier rules first, so fallback should be last entry)
-	    amenity: {
-	        grave_yard: 'cemetery',
-	        fountain: 'water_standing'
-	    },
-	    landuse: {
-	        cemetery: [
-	            { religion: 'christian', pattern: 'cemetery_christian' },
-	            { religion: 'buddhist', pattern: 'cemetery_buddhist' },
-	            { religion: 'muslim', pattern: 'cemetery_muslim' },
-	            { religion: 'jewish', pattern: 'cemetery_jewish' },
-	            { pattern: 'cemetery' }
-	        ],
-	        construction: 'construction',
-	        farmland: 'farmland',
-	        farmyard: 'farmyard',
-	        forest: [
-	            { leaf_type: 'broadleaved', pattern: 'forest_broadleaved' },
-	            { leaf_type: 'needleleaved', pattern: 'forest_needleleaved' },
-	            { leaf_type: 'leafless', pattern: 'forest_leafless' },
-	            { pattern: 'forest' } // same as 'leaf_type:mixed'
-	        ],
-	        grave_yard: 'cemetery',
-	        grass: [
-	            { golf: 'green', pattern: 'golf_green' },
-	            { pattern: 'grass' },
-	        ],
-	        landfill: 'landfill',
-	        meadow: 'meadow',
-	        military: 'construction',
-	        orchard: 'orchard',
-	        quarry: 'quarry',
-	        vineyard: 'vineyard'
-	    },
-	    natural: {
-	        beach: 'beach',
-	        grassland: 'grass',
-	        sand: 'beach',
-	        scrub: 'scrub',
-	        water: [
-	            { water: 'pond', pattern: 'pond' },
-	            { water: 'reservoir', pattern: 'water_standing' },
-	            { pattern: 'waves' }
-	        ],
-	        wetland: [
-	            { wetland: 'marsh', pattern: 'wetland_marsh' },
-	            { wetland: 'swamp', pattern: 'wetland_swamp' },
-	            { wetland: 'bog', pattern: 'wetland_bog' },
-	            { wetland: 'reedbed', pattern: 'wetland_reedbed' },
-	            { pattern: 'wetland' }
-	        ],
-	        wood: [
-	            { leaf_type: 'broadleaved', pattern: 'forest_broadleaved' },
-	            { leaf_type: 'needleleaved', pattern: 'forest_needleleaved' },
-	            { leaf_type: 'leafless', pattern: 'forest_leafless' },
-	            { pattern: 'forest' } // same as 'leaf_type:mixed'
-	        ]
-	    },
-	    traffic_calming: {
-	        island: [
-	            { surface: 'grass', pattern: 'grass' },
-	        ],
-	        chicane: [
-	            { surface: 'grass', pattern: 'grass' },
-	        ],
-	        choker: [
-	            { surface: 'grass', pattern: 'grass' },
-	        ]
-	    }
-	};
-
-	function svgTagPattern(tags) {
-	    // Skip pattern filling if this is a building (buildings don't get patterns applied)
-	    if (tags.building && tags.building !== 'no') {
-	        return null;
-	    }
-
-	    for (var tag in patterns) {
-	        var entityValue = tags[tag];
-	        if (!entityValue) continue;
-
-	        if (typeof patterns[tag] === 'string') { // extra short syntax (just tag) - pattern name
-	            return 'pattern-' + patterns[tag];
-	        } else {
-	            var values = patterns[tag];
-	            for (var value in values) {
-	                if (entityValue !== value) continue;
-
-	                var rules = values[value];
-	                if (typeof rules === 'string') { // short syntax - pattern name
-	                    return 'pattern-' + rules;
-	                }
-
-	                // long syntax - rule array
-	                for (var ruleKey in rules) {
-	                    var rule = rules[ruleKey];
-
-	                    var pass = true;
-	                    for (var criterion in rule) {
-	                        if (criterion !== 'pattern') { // reserved for pattern name
-	                            // The only rule is a required tag-value pair
-	                            var v = tags[criterion];
-	                            if (!v || v !== rule[criterion]) {
-	                                pass = false;
-	                                break;
-	                            }
-	                        }
-	                    }
-
-	                    if (pass) {
-	                        return 'pattern-' + rule.pattern;
-	                    }
-	                }
-	            }
-	        }
-	    }
-
-	    return null;
-	}
-
-	function svgAreas(projection, context) {
-
-
-	    function getPatternStyle(tags) {
-	        var imageID = svgTagPattern(tags);
-	        if (imageID) {
-	            return 'url("#ideditor-' + imageID + '")';
-	        }
-	        return '';
-	    }
-
-
-	    function drawTargets(selection, graph, entities, filter) {
-	        var targetClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-	        var nopeClass = context.getDebug('target') ? 'red ' : 'nocolor ';
-	        var getPath = svgPath(projection).geojson;
-	        var activeID = context.activeID();
-	        var base = context.history().base();
-
-	        // The targets and nopes will be MultiLineString sub-segments of the ways
-	        var data = { targets: [], nopes: [] };
-
-	        entities.forEach(function(way) {
-	            var features = svgSegmentWay(way, graph, activeID);
-	            data.targets.push.apply(data.targets, features.passive);
-	            data.nopes.push.apply(data.nopes, features.active);
-	        });
-
-
-	        // Targets allow hover and vertex snapping
-	        var targetData = data.targets.filter(getPath);
-	        var targets = selection.selectAll('.area.target-allowed')
-	            .filter(function(d) { return filter(d.properties.entity); })
-	            .data(targetData, function key(d) { return d.id; });
-
-	        // exit
-	        targets.exit()
-	            .remove();
-
-	        var segmentWasEdited = function(d) {
-	            var wayID = d.properties.entity.id;
-	            // if the whole line was edited, don't draw segment changes
-	            if (!base.entities[wayID] ||
-	                !fastDeepEqual(graph.entities[wayID].nodes, base.entities[wayID].nodes)) {
-	                return false;
-	            }
-	            return d.properties.nodes.some(function(n) {
-	                return !base.entities[n.id] ||
-	                       !fastDeepEqual(graph.entities[n.id].loc, base.entities[n.id].loc);
-	            });
-	        };
-
-	        // enter/update
-	        targets.enter()
-	            .append('path')
-	            .merge(targets)
-	            .attr('d', getPath)
-	            .attr('class', function(d) { return 'way area target target-allowed ' + targetClass + d.id; })
-	            .classed('segment-edited', segmentWasEdited);
-
-
-	        // NOPE
-	        var nopeData = data.nopes.filter(getPath);
-	        var nopes = selection.selectAll('.area.target-nope')
-	            .filter(function(d) { return filter(d.properties.entity); })
-	            .data(nopeData, function key(d) { return d.id; });
-
-	        // exit
-	        nopes.exit()
-	            .remove();
-
-	        // enter/update
-	        nopes.enter()
-	            .append('path')
-	            .merge(nopes)
-	            .attr('d', getPath)
-	            .attr('class', function(d) { return 'way area target target-nope ' + nopeClass + d.id; })
-	            .classed('segment-edited', segmentWasEdited);
-	    }
-
-
-	    function drawAreas(selection, graph, entities, filter) {
-	        var path = svgPath(projection, graph, true);
-	        var areas = {};
-	        var multipolygon;
-	        var base = context.history().base();
-
-	        for (var i = 0; i < entities.length; i++) {
-	            var entity = entities[i];
-	            if (entity.geometry(graph) !== 'area') continue;
-
-	            multipolygon = osmIsOldMultipolygonOuterMember(entity, graph);
-	            if (multipolygon) {
-	                areas[multipolygon.id] = {
-	                    entity: multipolygon.mergeTags(entity.tags),
-	                    area: Math.abs(entity.area(graph))
-	                };
-	            } else if (!areas[entity.id]) {
-	                areas[entity.id] = {
-	                    entity: entity,
-	                    area: Math.abs(entity.area(graph))
-	                };
-	            }
-	        }
-
-	        var fills = Object.values(areas).filter(function hasPath(a) { return path(a.entity); });
-	        fills.sort(function areaSort(a, b) { return b.area - a.area; });
-	        fills = fills.map(function(a) { return a.entity; });
-
-	        var strokes = fills.filter(function(area) { return area.type === 'way'; });
-
-	        var data = {
-	            clip: fills,
-	            shadow: strokes,
-	            stroke: strokes,
-	            fill: fills
-	        };
-
-	        var clipPaths = context.surface().selectAll('defs').selectAll('.clipPath-osm')
-	           .filter(filter)
-	           .data(data.clip, osmEntity.key);
-
-	        clipPaths.exit()
-	           .remove();
-
-	        var clipPathsEnter = clipPaths.enter()
-	           .append('clipPath')
-	           .attr('class', 'clipPath-osm')
-	           .attr('id', function(entity) { return 'ideditor-' + entity.id + '-clippath'; });
-
-	        clipPathsEnter
-	           .append('path');
-
-	        clipPaths.merge(clipPathsEnter)
-	           .selectAll('path')
-	           .attr('d', path);
-
-
-	        var drawLayer = selection.selectAll('.layer-osm.areas');
-	        var touchLayer = selection.selectAll('.layer-touch.areas');
-
-	        // Draw areas..
-	        var areagroup = drawLayer
-	            .selectAll('g.areagroup')
-	            .data(['fill', 'shadow', 'stroke']);
-
-	        areagroup = areagroup.enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'areagroup area-' + d; })
-	            .merge(areagroup);
-
-	        var paths = areagroup
-	            .selectAll('path')
-	            .filter(filter)
-	            .data(function(layer) { return data[layer]; }, osmEntity.key);
-
-	        paths.exit()
-	            .remove();
-
-
-	        var fillpaths = selection.selectAll('.area-fill path.area').nodes();
-	        var bisect = d3_bisector(function(node) { return -node.__data__.area(graph); }).left;
-
-	        function sortedByArea(entity) {
-	            if (this._parent.__data__ === 'fill') {
-	                return fillpaths[bisect(fillpaths, -entity.area(graph))];
-	            }
-	        }
-
-	        paths = paths.enter()
-	            .insert('path', sortedByArea)
-	            .merge(paths)
-	            .each(function(entity) {
-	                var layer = this.parentNode.__data__;
-	                this.setAttribute('class', entity.type + ' area ' + layer + ' ' + entity.id);
-
-	                if (layer === 'fill') {
-	                    this.setAttribute('clip-path', 'url(#ideditor-' + entity.id + '-clippath)');
-	                    this.style.fill = this.style.stroke = getPatternStyle(entity.tags);
-	                }
-	            })
-	            .classed('added', function(d) {
-	                return !base.entities[d.id];
-	            })
-	            .classed('geometry-edited', function(d) {
-	                return graph.entities[d.id] &&
-	                    base.entities[d.id] &&
-	                    !fastDeepEqual(graph.entities[d.id].nodes, base.entities[d.id].nodes);
-	            })
-	            .classed('retagged', function(d) {
-	                return graph.entities[d.id] &&
-	                    base.entities[d.id] &&
-	                    !fastDeepEqual(graph.entities[d.id].tags, base.entities[d.id].tags);
-	            })
-	            .call(svgTagClasses())
-	            .attr('d', path);
-
-
-	        // Draw touch targets..
-	        touchLayer
-	            .call(drawTargets, graph, data.stroke, filter);
-	    }
-
-	    return drawAreas;
-	}
-
-	//[4]   	NameStartChar	   ::=   	":" | [A-Z] | "_" | [a-z] | [#xC0-#xD6] | [#xD8-#xF6] | [#xF8-#x2FF] | [#x370-#x37D] | [#x37F-#x1FFF] | [#x200C-#x200D] | [#x2070-#x218F] | [#x2C00-#x2FEF] | [#x3001-#xD7FF] | [#xF900-#xFDCF] | [#xFDF0-#xFFFD] | [#x10000-#xEFFFF]
-	//[4a]   	NameChar	   ::=   	NameStartChar | "-" | "." | [0-9] | #xB7 | [#x0300-#x036F] | [#x203F-#x2040]
-	//[5]   	Name	   ::=   	NameStartChar (NameChar)*
-	var nameStartChar = /[A-Z_a-z\xC0-\xD6\xD8-\xF6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/;//\u10000-\uEFFFF
-	var nameChar = new RegExp("[\\-\\.0-9"+nameStartChar.source.slice(1,-1)+"\\u00B7\\u0300-\\u036F\\u203F-\\u2040]");
-	var tagNamePattern = new RegExp('^'+nameStartChar.source+nameChar.source+'*(?:\:'+nameStartChar.source+nameChar.source+'*)?$');
-	//var tagNamePattern = /^[a-zA-Z_][\w\-\.]*(?:\:[a-zA-Z_][\w\-\.]*)?$/
-	//var handlers = 'resolveEntity,getExternalSubset,characters,endDocument,endElement,endPrefixMapping,ignorableWhitespace,processingInstruction,setDocumentLocator,skippedEntity,startDocument,startElement,startPrefixMapping,notationDecl,unparsedEntityDecl,error,fatalError,warning,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,comment,endCDATA,endDTD,endEntity,startCDATA,startDTD,startEntity'.split(',')
-
-	//S_TAG,	S_ATTR,	S_EQ,	S_ATTR_NOQUOT_VALUE
-	//S_ATTR_SPACE,	S_ATTR_END,	S_TAG_SPACE, S_TAG_CLOSE
-	var S_TAG = 0;//tag name offerring
-	var S_ATTR = 1;//attr name offerring 
-	var S_ATTR_SPACE=2;//attr name end and space offer
-	var S_EQ = 3;//=space?
-	var S_ATTR_NOQUOT_VALUE = 4;//attr value(no quot value only)
-	var S_ATTR_END = 5;//attr value end and no space(quot end)
-	var S_TAG_SPACE = 6;//(attr value end || tag end ) && (space offer)
-	var S_TAG_CLOSE = 7;//closed el<el />
-
-	function XMLReader(){
-		
-	}
-
-	XMLReader.prototype = {
-		parse:function(source,defaultNSMap,entityMap){
-			var domBuilder = this.domBuilder;
-			domBuilder.startDocument();
-			_copy(defaultNSMap ,defaultNSMap = {});
-			parse(source,defaultNSMap,entityMap,
-					domBuilder,this.errorHandler);
-			domBuilder.endDocument();
-		}
-	};
-	function parse(source,defaultNSMapCopy,entityMap,domBuilder,errorHandler){
-		function fixedFromCharCode(code) {
-			// String.prototype.fromCharCode does not supports
-			// > 2 bytes unicode chars directly
-			if (code > 0xffff) {
-				code -= 0x10000;
-				var surrogate1 = 0xd800 + (code >> 10)
-					, surrogate2 = 0xdc00 + (code & 0x3ff);
-
-				return String.fromCharCode(surrogate1, surrogate2);
-			} else {
-				return String.fromCharCode(code);
-			}
-		}
-		function entityReplacer(a){
-			var k = a.slice(1,-1);
-			if(k in entityMap){
-				return entityMap[k]; 
-			}else if(k.charAt(0) === '#'){
-				return fixedFromCharCode(parseInt(k.substr(1).replace('x','0x')))
-			}else {
-				errorHandler.error('entity not found:'+a);
-				return a;
-			}
-		}
-		function appendText(end){//has some bugs
-			if(end>start){
-				var xt = source.substring(start,end).replace(/&#?\w+;/g,entityReplacer);
-				locator&&position(start);
-				domBuilder.characters(xt,0,end-start);
-				start = end;
-			}
-		}
-		function position(p,m){
-			while(p>=lineEnd && (m = linePattern.exec(source))){
-				lineStart = m.index;
-				lineEnd = lineStart + m[0].length;
-				locator.lineNumber++;
-				//console.log('line++:',locator,startPos,endPos)
-			}
-			locator.columnNumber = p-lineStart+1;
-		}
-		var lineStart = 0;
-		var lineEnd = 0;
-		var linePattern = /.*(?:\r\n?|\n)|.*$/g;
-		var locator = domBuilder.locator;
-		
-		var parseStack = [{currentNSMap:defaultNSMapCopy}];
-		var closeMap = {};
-		var start = 0;
-		while(true){
-			try{
-				var tagStart = source.indexOf('<',start);
-				if(tagStart<0){
-					if(!source.substr(start).match(/^\s*$/)){
-						var doc = domBuilder.doc;
-		    			var text = doc.createTextNode(source.substr(start));
-		    			doc.appendChild(text);
-		    			domBuilder.currentElement = text;
-					}
-					return;
-				}
-				if(tagStart>start){
-					appendText(tagStart);
-				}
-				switch(source.charAt(tagStart+1)){
-				case '/':
-					var end = source.indexOf('>',tagStart+3);
-					var tagName = source.substring(tagStart+2,end);
-					var config = parseStack.pop();
-					if(end<0){
-						
-		        		tagName = source.substring(tagStart+2).replace(/[\s<].*/,'');
-		        		//console.error('#@@@@@@'+tagName)
-		        		errorHandler.error("end tag name: "+tagName+' is not complete:'+config.tagName);
-		        		end = tagStart+1+tagName.length;
-		        	}else if(tagName.match(/\s</)){
-		        		tagName = tagName.replace(/[\s<].*/,'');
-		        		errorHandler.error("end tag name: "+tagName+' maybe not complete');
-		        		end = tagStart+1+tagName.length;
-					}
-					//console.error(parseStack.length,parseStack)
-					//console.error(config);
-					var localNSMap = config.localNSMap;
-					var endMatch = config.tagName == tagName;
-					var endIgnoreCaseMach = endMatch || config.tagName&&config.tagName.toLowerCase() == tagName.toLowerCase();
-			        if(endIgnoreCaseMach){
-			        	domBuilder.endElement(config.uri,config.localName,tagName);
-						if(localNSMap){
-							for(var prefix in localNSMap){
-								domBuilder.endPrefixMapping(prefix) ;
-							}
-						}
-						if(!endMatch){
-			            	errorHandler.fatalError("end tag name: "+tagName+' is not match the current start tagName:'+config.tagName );
-						}
-			        }else {
-			        	parseStack.push(config);
-			        }
-					
-					end++;
-					break;
-					// end elment
-				case '?':// <?...?>
-					locator&&position(tagStart);
-					end = parseInstruction(source,tagStart,domBuilder);
-					break;
-				case '!':// <!doctype,<![CDATA,<!--
-					locator&&position(tagStart);
-					end = parseDCC(source,tagStart,domBuilder,errorHandler);
-					break;
-				default:
-					locator&&position(tagStart);
-					var el = new ElementAttributes();
-					var currentNSMap = parseStack[parseStack.length-1].currentNSMap;
-					//elStartEnd
-					var end = parseElementStartPart(source,tagStart,el,currentNSMap,entityReplacer,errorHandler);
-					var len = el.length;
-					
-					
-					if(!el.closed && fixSelfClosed(source,end,el.tagName,closeMap)){
-						el.closed = true;
-						if(!entityMap.nbsp){
-							errorHandler.warning('unclosed xml attribute');
-						}
-					}
-					if(locator && len){
-						var locator2 = copyLocator(locator,{});
-						//try{//attribute position fixed
-						for(var i = 0;i<len;i++){
-							var a = el[i];
-							position(a.offset);
-							a.locator = copyLocator(locator,{});
-						}
-						//}catch(e){console.error('@@@@@'+e)}
-						domBuilder.locator = locator2;
-						if(appendElement(el,domBuilder,currentNSMap)){
-							parseStack.push(el);
-						}
-						domBuilder.locator = locator;
-					}else {
-						if(appendElement(el,domBuilder,currentNSMap)){
-							parseStack.push(el);
-						}
-					}
-					
-					
-					
-					if(el.uri === 'http://www.w3.org/1999/xhtml' && !el.closed){
-						end = parseHtmlSpecialContent(source,end,el.tagName,entityReplacer,domBuilder);
-					}else {
-						end++;
-					}
-				}
-			}catch(e){
-				errorHandler.error('element parse error: '+e);
-				//errorHandler.error('element parse error: '+e);
-				end = -1;
-				//throw e;
-			}
-			if(end>start){
-				start = end;
-			}else {
-				//TODO: 这里有可能sax回退，有位置错误风险
-				appendText(Math.max(tagStart,start)+1);
-			}
-		}
-	}
-	function copyLocator(f,t){
-		t.lineNumber = f.lineNumber;
-		t.columnNumber = f.columnNumber;
-		return t;
-	}
-
-	/**
-	 * @see #appendElement(source,elStartEnd,el,selfClosed,entityReplacer,domBuilder,parseStack);
-	 * @return end of the elementStartPart(end of elementEndPart for selfClosed el)
-	 */
-	function parseElementStartPart(source,start,el,currentNSMap,entityReplacer,errorHandler){
-		var attrName;
-		var value;
-		var p = ++start;
-		var s = S_TAG;//status
-		while(true){
-			var c = source.charAt(p);
-			switch(c){
-			case '=':
-				if(s === S_ATTR){//attrName
-					attrName = source.slice(start,p);
-					s = S_EQ;
-				}else if(s === S_ATTR_SPACE){
-					s = S_EQ;
-				}else {
-					//fatalError: equal must after attrName or space after attrName
-					throw new Error('attribute equal must after attrName');
-				}
-				break;
-			case '\'':
-			case '"':
-				if(s === S_EQ || s === S_ATTR //|| s == S_ATTR_SPACE
-					){//equal
-					if(s === S_ATTR){
-						errorHandler.warning('attribute value must after "="');
-						attrName = source.slice(start,p);
-					}
-					start = p+1;
-					p = source.indexOf(c,start);
-					if(p>0){
-						value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
-						el.add(attrName,value,start-1);
-						s = S_ATTR_END;
-					}else {
-						//fatalError: no end quot match
-						throw new Error('attribute value no end \''+c+'\' match');
-					}
-				}else if(s == S_ATTR_NOQUOT_VALUE){
-					value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
-					//console.log(attrName,value,start,p)
-					el.add(attrName,value,start);
-					//console.dir(el)
-					errorHandler.warning('attribute "'+attrName+'" missed start quot('+c+')!!');
-					start = p+1;
-					s = S_ATTR_END;
-				}else {
-					//fatalError: no equal before
-					throw new Error('attribute value must after "="');
-				}
-				break;
-			case '/':
-				switch(s){
-				case S_TAG:
-					el.setTagName(source.slice(start,p));
-				case S_ATTR_END:
-				case S_TAG_SPACE:
-				case S_TAG_CLOSE:
-					s =S_TAG_CLOSE;
-					el.closed = true;
-				case S_ATTR_NOQUOT_VALUE:
-				case S_ATTR:
-				case S_ATTR_SPACE:
-					break;
-				//case S_EQ:
-				default:
-					throw new Error("attribute invalid close char('/')")
-				}
-				break;
-			case ''://end document
-				//throw new Error('unexpected end of input')
-				errorHandler.error('unexpected end of input');
-				if(s == S_TAG){
-					el.setTagName(source.slice(start,p));
-				}
-				return p;
-			case '>':
-				switch(s){
-				case S_TAG:
-					el.setTagName(source.slice(start,p));
-				case S_ATTR_END:
-				case S_TAG_SPACE:
-				case S_TAG_CLOSE:
-					break;//normal
-				case S_ATTR_NOQUOT_VALUE://Compatible state
-				case S_ATTR:
-					value = source.slice(start,p);
-					if(value.slice(-1) === '/'){
-						el.closed  = true;
-						value = value.slice(0,-1);
-					}
-				case S_ATTR_SPACE:
-					if(s === S_ATTR_SPACE){
-						value = attrName;
-					}
-					if(s == S_ATTR_NOQUOT_VALUE){
-						errorHandler.warning('attribute "'+value+'" missed quot(")!!');
-						el.add(attrName,value.replace(/&#?\w+;/g,entityReplacer),start);
-					}else {
-						if(currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !value.match(/^(?:disabled|checked|selected)$/i)){
-							errorHandler.warning('attribute "'+value+'" missed value!! "'+value+'" instead!!');
-						}
-						el.add(value,value,start);
-					}
-					break;
-				case S_EQ:
-					throw new Error('attribute value missed!!');
-				}
-	//			console.log(tagName,tagNamePattern,tagNamePattern.test(tagName))
-				return p;
-			/*xml space '\x20' | #x9 | #xD | #xA; */
-			case '\u0080':
-				c = ' ';
-			default:
-				if(c<= ' '){//space
-					switch(s){
-					case S_TAG:
-						el.setTagName(source.slice(start,p));//tagName
-						s = S_TAG_SPACE;
-						break;
-					case S_ATTR:
-						attrName = source.slice(start,p);
-						s = S_ATTR_SPACE;
-						break;
-					case S_ATTR_NOQUOT_VALUE:
-						var value = source.slice(start,p).replace(/&#?\w+;/g,entityReplacer);
-						errorHandler.warning('attribute "'+value+'" missed quot(")!!');
-						el.add(attrName,value,start);
-					case S_ATTR_END:
-						s = S_TAG_SPACE;
-						break;
-					//case S_TAG_SPACE:
-					//case S_EQ:
-					//case S_ATTR_SPACE:
-					//	void();break;
-					//case S_TAG_CLOSE:
-						//ignore warning
-					}
-				}else {//not space
-	//S_TAG,	S_ATTR,	S_EQ,	S_ATTR_NOQUOT_VALUE
-	//S_ATTR_SPACE,	S_ATTR_END,	S_TAG_SPACE, S_TAG_CLOSE
-					switch(s){
-					//case S_TAG:void();break;
-					//case S_ATTR:void();break;
-					//case S_ATTR_NOQUOT_VALUE:void();break;
-					case S_ATTR_SPACE:
-						var tagName =  el.tagName;
-						if(currentNSMap[''] !== 'http://www.w3.org/1999/xhtml' || !attrName.match(/^(?:disabled|checked|selected)$/i)){
-							errorHandler.warning('attribute "'+attrName+'" missed value!! "'+attrName+'" instead2!!');
-						}
-						el.add(attrName,attrName,start);
-						start = p;
-						s = S_ATTR;
-						break;
-					case S_ATTR_END:
-						errorHandler.warning('attribute space is required"'+attrName+'"!!');
-					case S_TAG_SPACE:
-						s = S_ATTR;
-						start = p;
-						break;
-					case S_EQ:
-						s = S_ATTR_NOQUOT_VALUE;
-						start = p;
-						break;
-					case S_TAG_CLOSE:
-						throw new Error("elements closed character '/' and '>' must be connected to");
-					}
-				}
-			}//end outer switch
-			//console.log('p++',p)
-			p++;
-		}
-	}
-	/**
-	 * @return true if has new namespace define
-	 */
-	function appendElement(el,domBuilder,currentNSMap){
-		var tagName = el.tagName;
-		var localNSMap = null;
-		//var currentNSMap = parseStack[parseStack.length-1].currentNSMap;
-		var i = el.length;
-		while(i--){
-			var a = el[i];
-			var qName = a.qName;
-			var value = a.value;
-			var nsp = qName.indexOf(':');
-			if(nsp>0){
-				var prefix = a.prefix = qName.slice(0,nsp);
-				var localName = qName.slice(nsp+1);
-				var nsPrefix = prefix === 'xmlns' && localName;
-			}else {
-				localName = qName;
-				prefix = null;
-				nsPrefix = qName === 'xmlns' && '';
-			}
-			//can not set prefix,because prefix !== ''
-			a.localName = localName ;
-			//prefix == null for no ns prefix attribute 
-			if(nsPrefix !== false){//hack!!
-				if(localNSMap == null){
-					localNSMap = {};
-					//console.log(currentNSMap,0)
-					_copy(currentNSMap,currentNSMap={});
-					//console.log(currentNSMap,1)
-				}
-				currentNSMap[nsPrefix] = localNSMap[nsPrefix] = value;
-				a.uri = 'http://www.w3.org/2000/xmlns/';
-				domBuilder.startPrefixMapping(nsPrefix, value); 
-			}
-		}
-		var i = el.length;
-		while(i--){
-			a = el[i];
-			var prefix = a.prefix;
-			if(prefix){//no prefix attribute has no namespace
-				if(prefix === 'xml'){
-					a.uri = 'http://www.w3.org/XML/1998/namespace';
-				}if(prefix !== 'xmlns'){
-					a.uri = currentNSMap[prefix || ''];
-					
-					//{console.log('###'+a.qName,domBuilder.locator.systemId+'',currentNSMap,a.uri)}
-				}
-			}
-		}
-		var nsp = tagName.indexOf(':');
-		if(nsp>0){
-			prefix = el.prefix = tagName.slice(0,nsp);
-			localName = el.localName = tagName.slice(nsp+1);
-		}else {
-			prefix = null;//important!!
-			localName = el.localName = tagName;
-		}
-		//no prefix element has default namespace
-		var ns = el.uri = currentNSMap[prefix || ''];
-		domBuilder.startElement(ns,localName,tagName,el);
-		//endPrefixMapping and startPrefixMapping have not any help for dom builder
-		//localNSMap = null
-		if(el.closed){
-			domBuilder.endElement(ns,localName,tagName);
-			if(localNSMap){
-				for(prefix in localNSMap){
-					domBuilder.endPrefixMapping(prefix); 
-				}
-			}
-		}else {
-			el.currentNSMap = currentNSMap;
-			el.localNSMap = localNSMap;
-			//parseStack.push(el);
-			return true;
-		}
-	}
-	function parseHtmlSpecialContent(source,elStartEnd,tagName,entityReplacer,domBuilder){
-		if(/^(?:script|textarea)$/i.test(tagName)){
-			var elEndStart =  source.indexOf('</'+tagName+'>',elStartEnd);
-			var text = source.substring(elStartEnd+1,elEndStart);
-			if(/[&<]/.test(text)){
-				if(/^script$/i.test(tagName)){
-					//if(!/\]\]>/.test(text)){
-						//lexHandler.startCDATA();
-						domBuilder.characters(text,0,text.length);
-						//lexHandler.endCDATA();
-						return elEndStart;
-					//}
-				}//}else{//text area
-					text = text.replace(/&#?\w+;/g,entityReplacer);
-					domBuilder.characters(text,0,text.length);
-					return elEndStart;
-				//}
-				
-			}
-		}
-		return elStartEnd+1;
-	}
-	function fixSelfClosed(source,elStartEnd,tagName,closeMap){
-		//if(tagName in closeMap){
-		var pos = closeMap[tagName];
-		if(pos == null){
-			//console.log(tagName)
-			pos =  source.lastIndexOf('</'+tagName+'>');
-			if(pos<elStartEnd){//忘记闭合
-				pos = source.lastIndexOf('</'+tagName);
-			}
-			closeMap[tagName] =pos;
-		}
-		return pos<elStartEnd;
-		//} 
-	}
-	function _copy(source,target){
-		for(var n in source){target[n] = source[n];}
-	}
-	function parseDCC(source,start,domBuilder,errorHandler){//sure start with '<!'
-		var next= source.charAt(start+2);
-		switch(next){
-		case '-':
-			if(source.charAt(start + 3) === '-'){
-				var end = source.indexOf('-->',start+4);
-				//append comment source.substring(4,end)//<!--
-				if(end>start){
-					domBuilder.comment(source,start+4,end-start-4);
-					return end+3;
-				}else {
-					errorHandler.error("Unclosed comment");
-					return -1;
-				}
-			}else {
-				//error
-				return -1;
-			}
-		default:
-			if(source.substr(start+3,6) == 'CDATA['){
-				var end = source.indexOf(']]>',start+9);
-				domBuilder.startCDATA();
-				domBuilder.characters(source,start+9,end-start-9);
-				domBuilder.endCDATA(); 
-				return end+3;
-			}
-			//<!DOCTYPE
-			//startDTD(java.lang.String name, java.lang.String publicId, java.lang.String systemId) 
-			var matchs = split(source,start);
-			var len = matchs.length;
-			if(len>1 && /!doctype/i.test(matchs[0][0])){
-				var name = matchs[1][0];
-				var pubid = len>3 && /^public$/i.test(matchs[2][0]) && matchs[3][0];
-				var sysid = len>4 && matchs[4][0];
-				var lastMatch = matchs[len-1];
-				domBuilder.startDTD(name,pubid && pubid.replace(/^(['"])(.*?)\1$/,'$2'),
-						sysid && sysid.replace(/^(['"])(.*?)\1$/,'$2'));
-				domBuilder.endDTD();
-				
-				return lastMatch.index+lastMatch[0].length
-			}
-		}
-		return -1;
-	}
-
-
-
-	function parseInstruction(source,start,domBuilder){
-		var end = source.indexOf('?>',start);
-		if(end){
-			var match = source.substring(start,end).match(/^<\?(\S*)\s*([\s\S]*?)\s*$/);
-			if(match){
-				var len = match[0].length;
-				domBuilder.processingInstruction(match[1], match[2]) ;
-				return end+2;
-			}else {//error
-				return -1;
-			}
-		}
-		return -1;
-	}
-
-	/**
-	 * @param source
-	 */
-	function ElementAttributes(source){
-		
-	}
-	ElementAttributes.prototype = {
-		setTagName:function(tagName){
-			if(!tagNamePattern.test(tagName)){
-				throw new Error('invalid tagName:'+tagName)
-			}
-			this.tagName = tagName;
-		},
-		add:function(qName,value,offset){
-			if(!tagNamePattern.test(qName)){
-				throw new Error('invalid attribute:'+qName)
-			}
-			this[this.length++] = {qName:qName,value:value,offset:offset};
-		},
-		length:0,
-		getLocalName:function(i){return this[i].localName},
-		getLocator:function(i){return this[i].locator},
-		getQName:function(i){return this[i].qName},
-		getURI:function(i){return this[i].uri},
-		getValue:function(i){return this[i].value}
-	//	,getIndex:function(uri, localName)){
-	//		if(localName){
-	//			
-	//		}else{
-	//			var qName = uri
-	//		}
-	//	},
-	//	getValue:function(){return this.getValue(this.getIndex.apply(this,arguments))},
-	//	getType:function(uri,localName){}
-	//	getType:function(i){},
-	};
-
-
-
-
-	function _set_proto_(thiz,parent){
-		thiz.__proto__ = parent;
-		return thiz;
-	}
-	if(!(_set_proto_({},_set_proto_.prototype) instanceof _set_proto_)){
-		_set_proto_ = function(thiz,parent){
-			function p(){}		p.prototype = parent;
-			p = new p();
-			for(parent in thiz){
-				p[parent] = thiz[parent];
-			}
-			return p;
-		};
-	}
-
-	function split(source,start){
-		var match;
-		var buf = [];
-		var reg = /'[^']+'|"[^"]+"|[^\s<>\/=]+=?|(\/?\s*>|<)/g;
-		reg.lastIndex = start;
-		reg.exec(source);//skip <
-		while(match = reg.exec(source)){
-			buf.push(match);
-			if(match[1])return buf;
-		}
-	}
-
-	var XMLReader_1 = XMLReader;
-
-	var sax = {
-		XMLReader: XMLReader_1
-	};
-
-	/*
-	 * DOM Level 2
-	 * Object DOMException
-	 * @see http://www.w3.org/TR/REC-DOM-Level-1/ecma-script-language-binding.html
-	 * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/ecma-script-binding.html
-	 */
-
-	function copy$2(src,dest){
-		for(var p in src){
-			dest[p] = src[p];
-		}
-	}
-	/**
-	^\w+\.prototype\.([_\w]+)\s*=\s*((?:.*\{\s*?[\r\n][\s\S]*?^})|\S.*?(?=[;\r\n]));?
-	^\w+\.prototype\.([_\w]+)\s*=\s*(\S.*?(?=[;\r\n]));?
-	 */
-	function _extends(Class,Super){
-		var pt = Class.prototype;
-		if(Object.create){
-			var ppt = Object.create(Super.prototype);
-			pt.__proto__ = ppt;
-		}
-		if(!(pt instanceof Super)){
-			function t(){}		t.prototype = Super.prototype;
-			t = new t();
-			copy$2(pt,t);
-			Class.prototype = pt = t;
-		}
-		if(pt.constructor != Class){
-			if(typeof Class != 'function'){
-				console.error("unknow Class:"+Class);
-			}
-			pt.constructor = Class;
-		}
-	}
-	var htmlns = 'http://www.w3.org/1999/xhtml' ;
-	// Node Types
-	var NodeType = {};
-	var ELEMENT_NODE                = NodeType.ELEMENT_NODE                = 1;
-	var ATTRIBUTE_NODE              = NodeType.ATTRIBUTE_NODE              = 2;
-	var TEXT_NODE                   = NodeType.TEXT_NODE                   = 3;
-	var CDATA_SECTION_NODE          = NodeType.CDATA_SECTION_NODE          = 4;
-	var ENTITY_REFERENCE_NODE       = NodeType.ENTITY_REFERENCE_NODE       = 5;
-	var ENTITY_NODE                 = NodeType.ENTITY_NODE                 = 6;
-	var PROCESSING_INSTRUCTION_NODE = NodeType.PROCESSING_INSTRUCTION_NODE = 7;
-	var COMMENT_NODE                = NodeType.COMMENT_NODE                = 8;
-	var DOCUMENT_NODE               = NodeType.DOCUMENT_NODE               = 9;
-	var DOCUMENT_TYPE_NODE          = NodeType.DOCUMENT_TYPE_NODE          = 10;
-	var DOCUMENT_FRAGMENT_NODE      = NodeType.DOCUMENT_FRAGMENT_NODE      = 11;
-	var NOTATION_NODE               = NodeType.NOTATION_NODE               = 12;
-
-	// ExceptionCode
-	var ExceptionCode = {};
-	var ExceptionMessage = {};
-	var INDEX_SIZE_ERR              = ExceptionCode.INDEX_SIZE_ERR              = ((ExceptionMessage[1]="Index size error"),1);
-	var DOMSTRING_SIZE_ERR          = ExceptionCode.DOMSTRING_SIZE_ERR          = ((ExceptionMessage[2]="DOMString size error"),2);
-	var HIERARCHY_REQUEST_ERR       = ExceptionCode.HIERARCHY_REQUEST_ERR       = ((ExceptionMessage[3]="Hierarchy request error"),3);
-	var WRONG_DOCUMENT_ERR          = ExceptionCode.WRONG_DOCUMENT_ERR          = ((ExceptionMessage[4]="Wrong document"),4);
-	var INVALID_CHARACTER_ERR       = ExceptionCode.INVALID_CHARACTER_ERR       = ((ExceptionMessage[5]="Invalid character"),5);
-	var NO_DATA_ALLOWED_ERR         = ExceptionCode.NO_DATA_ALLOWED_ERR         = ((ExceptionMessage[6]="No data allowed"),6);
-	var NO_MODIFICATION_ALLOWED_ERR = ExceptionCode.NO_MODIFICATION_ALLOWED_ERR = ((ExceptionMessage[7]="No modification allowed"),7);
-	var NOT_FOUND_ERR               = ExceptionCode.NOT_FOUND_ERR               = ((ExceptionMessage[8]="Not found"),8);
-	var NOT_SUPPORTED_ERR           = ExceptionCode.NOT_SUPPORTED_ERR           = ((ExceptionMessage[9]="Not supported"),9);
-	var INUSE_ATTRIBUTE_ERR         = ExceptionCode.INUSE_ATTRIBUTE_ERR         = ((ExceptionMessage[10]="Attribute in use"),10);
-	//level2
-	var INVALID_STATE_ERR        	= ExceptionCode.INVALID_STATE_ERR        	= ((ExceptionMessage[11]="Invalid state"),11);
-	var SYNTAX_ERR               	= ExceptionCode.SYNTAX_ERR               	= ((ExceptionMessage[12]="Syntax error"),12);
-	var INVALID_MODIFICATION_ERR 	= ExceptionCode.INVALID_MODIFICATION_ERR 	= ((ExceptionMessage[13]="Invalid modification"),13);
-	var NAMESPACE_ERR            	= ExceptionCode.NAMESPACE_ERR           	= ((ExceptionMessage[14]="Invalid namespace"),14);
-	var INVALID_ACCESS_ERR       	= ExceptionCode.INVALID_ACCESS_ERR      	= ((ExceptionMessage[15]="Invalid access"),15);
-
-
-	function DOMException$2(code, message) {
-		if(message instanceof Error){
-			var error = message;
-		}else {
-			error = this;
-			Error.call(this, ExceptionMessage[code]);
-			this.message = ExceptionMessage[code];
-			if(Error.captureStackTrace) Error.captureStackTrace(this, DOMException$2);
-		}
-		error.code = code;
-		if(message) this.message = this.message + ": " + message;
-		return error;
-	}DOMException$2.prototype = Error.prototype;
-	copy$2(ExceptionCode,DOMException$2);
-	/**
-	 * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-536297177
-	 * The NodeList interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented. NodeList objects in the DOM are live.
-	 * The items in the NodeList are accessible via an integral index, starting from 0.
-	 */
-	function NodeList() {
-	}NodeList.prototype = {
-		/**
-		 * The number of nodes in the list. The range of valid child node indices is 0 to length-1 inclusive.
-		 * @standard level1
-		 */
-		length:0, 
-		/**
-		 * Returns the indexth item in the collection. If index is greater than or equal to the number of nodes in the list, this returns null.
-		 * @standard level1
-		 * @param index  unsigned long 
-		 *   Index into the collection.
-		 * @return Node
-		 * 	The node at the indexth position in the NodeList, or null if that is not a valid index. 
-		 */
-		item: function(index) {
-			return this[index] || null;
-		},
-		toString:function(isHTML,nodeFilter){
-			for(var buf = [], i = 0;i<this.length;i++){
-				serializeToString(this[i],buf,isHTML,nodeFilter);
-			}
-			return buf.join('');
-		}
-	};
-	function LiveNodeList(node,refresh){
-		this._node = node;
-		this._refresh = refresh;
-		_updateLiveList(this);
-	}
-	function _updateLiveList(list){
-		var inc = list._node._inc || list._node.ownerDocument._inc;
-		if(list._inc != inc){
-			var ls = list._refresh(list._node);
-			//console.log(ls.length)
-			__set__(list,'length',ls.length);
-			copy$2(ls,list);
-			list._inc = inc;
-		}
-	}
-	LiveNodeList.prototype.item = function(i){
-		_updateLiveList(this);
-		return this[i];
-	};
-
-	_extends(LiveNodeList,NodeList);
-	/**
-	 * 
-	 * Objects implementing the NamedNodeMap interface are used to represent collections of nodes that can be accessed by name. Note that NamedNodeMap does not inherit from NodeList; NamedNodeMaps are not maintained in any particular order. Objects contained in an object implementing NamedNodeMap may also be accessed by an ordinal index, but this is simply to allow convenient enumeration of the contents of a NamedNodeMap, and does not imply that the DOM specifies an order to these Nodes.
-	 * NamedNodeMap objects in the DOM are live.
-	 * used for attributes or DocumentType entities 
-	 */
-	function NamedNodeMap() {
-	}
-	function _findNodeIndex(list,node){
-		var i = list.length;
-		while(i--){
-			if(list[i] === node){return i}
-		}
-	}
-
-	function _addNamedNode(el,list,newAttr,oldAttr){
-		if(oldAttr){
-			list[_findNodeIndex(list,oldAttr)] = newAttr;
-		}else {
-			list[list.length++] = newAttr;
-		}
-		if(el){
-			newAttr.ownerElement = el;
-			var doc = el.ownerDocument;
-			if(doc){
-				oldAttr && _onRemoveAttribute(doc,el,oldAttr);
-				_onAddAttribute(doc,el,newAttr);
-			}
-		}
-	}
-	function _removeNamedNode(el,list,attr){
-		//console.log('remove attr:'+attr)
-		var i = _findNodeIndex(list,attr);
-		if(i>=0){
-			var lastIndex = list.length-1;
-			while(i<lastIndex){
-				list[i] = list[++i];
-			}
-			list.length = lastIndex;
-			if(el){
-				var doc = el.ownerDocument;
-				if(doc){
-					_onRemoveAttribute(doc,el,attr);
-					attr.ownerElement = null;
-				}
-			}
-		}else {
-			throw DOMException$2(NOT_FOUND_ERR,new Error(el.tagName+'@'+attr))
-		}
-	}
-	NamedNodeMap.prototype = {
-		length:0,
-		item:NodeList.prototype.item,
-		getNamedItem: function(key) {
-	//		if(key.indexOf(':')>0 || key == 'xmlns'){
-	//			return null;
-	//		}
-			//console.log()
-			var i = this.length;
-			while(i--){
-				var attr = this[i];
-				//console.log(attr.nodeName,key)
-				if(attr.nodeName == key){
-					return attr;
-				}
-			}
-		},
-		setNamedItem: function(attr) {
-			var el = attr.ownerElement;
-			if(el && el!=this._ownerElement){
-				throw new DOMException$2(INUSE_ATTRIBUTE_ERR);
-			}
-			var oldAttr = this.getNamedItem(attr.nodeName);
-			_addNamedNode(this._ownerElement,this,attr,oldAttr);
-			return oldAttr;
-		},
-		/* returns Node */
-		setNamedItemNS: function(attr) {// raises: WRONG_DOCUMENT_ERR,NO_MODIFICATION_ALLOWED_ERR,INUSE_ATTRIBUTE_ERR
-			var el = attr.ownerElement, oldAttr;
-			if(el && el!=this._ownerElement){
-				throw new DOMException$2(INUSE_ATTRIBUTE_ERR);
-			}
-			oldAttr = this.getNamedItemNS(attr.namespaceURI,attr.localName);
-			_addNamedNode(this._ownerElement,this,attr,oldAttr);
-			return oldAttr;
-		},
-
-		/* returns Node */
-		removeNamedItem: function(key) {
-			var attr = this.getNamedItem(key);
-			_removeNamedNode(this._ownerElement,this,attr);
-			return attr;
-			
-			
-		},// raises: NOT_FOUND_ERR,NO_MODIFICATION_ALLOWED_ERR
-		
-		//for level2
-		removeNamedItemNS:function(namespaceURI,localName){
-			var attr = this.getNamedItemNS(namespaceURI,localName);
-			_removeNamedNode(this._ownerElement,this,attr);
-			return attr;
-		},
-		getNamedItemNS: function(namespaceURI, localName) {
-			var i = this.length;
-			while(i--){
-				var node = this[i];
-				if(node.localName == localName && node.namespaceURI == namespaceURI){
-					return node;
-				}
-			}
-			return null;
-		}
-	};
-	/**
-	 * @see http://www.w3.org/TR/REC-DOM-Level-1/level-one-core.html#ID-102161490
-	 */
-	function DOMImplementation(/* Object */ features) {
-		this._features = {};
-		if (features) {
-			for (var feature in features) {
-				 this._features = features[feature];
-			}
-		}
-	}
-	DOMImplementation.prototype = {
-		hasFeature: function(/* string */ feature, /* string */ version) {
-			var versions = this._features[feature.toLowerCase()];
-			if (versions && (!version || version in versions)) {
-				return true;
-			} else {
-				return false;
-			}
-		},
-		// Introduced in DOM Level 2:
-		createDocument:function(namespaceURI,  qualifiedName, doctype){// raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR,WRONG_DOCUMENT_ERR
-			var doc = new Document();
-			doc.implementation = this;
-			doc.childNodes = new NodeList();
-			doc.doctype = doctype;
-			if(doctype){
-				doc.appendChild(doctype);
-			}
-			if(qualifiedName){
-				var root = doc.createElementNS(namespaceURI,qualifiedName);
-				doc.appendChild(root);
-			}
-			return doc;
-		},
-		// Introduced in DOM Level 2:
-		createDocumentType:function(qualifiedName, publicId, systemId){// raises:INVALID_CHARACTER_ERR,NAMESPACE_ERR
-			var node = new DocumentType();
-			node.name = qualifiedName;
-			node.nodeName = qualifiedName;
-			node.publicId = publicId;
-			node.systemId = systemId;
-			// Introduced in DOM Level 2:
-			//readonly attribute DOMString        internalSubset;
-			
-			//TODO:..
-			//  readonly attribute NamedNodeMap     entities;
-			//  readonly attribute NamedNodeMap     notations;
-			return node;
-		}
-	};
-
-
-	/**
-	 * @see http://www.w3.org/TR/2000/REC-DOM-Level-2-Core-20001113/core.html#ID-1950641247
-	 */
-
-	function Node() {
-	}
-	Node.prototype = {
-		firstChild : null,
-		lastChild : null,
-		previousSibling : null,
-		nextSibling : null,
-		attributes : null,
-		parentNode : null,
-		childNodes : null,
-		ownerDocument : null,
-		nodeValue : null,
-		namespaceURI : null,
-		prefix : null,
-		localName : null,
-		// Modified in DOM Level 2:
-		insertBefore:function(newChild, refChild){//raises 
-			return _insertBefore(this,newChild,refChild);
-		},
-		replaceChild:function(newChild, oldChild){//raises 
-			this.insertBefore(newChild,oldChild);
-			if(oldChild){
-				this.removeChild(oldChild);
-			}
-		},
-		removeChild:function(oldChild){
-			return _removeChild(this,oldChild);
-		},
-		appendChild:function(newChild){
-			return this.insertBefore(newChild,null);
-		},
-		hasChildNodes:function(){
-			return this.firstChild != null;
-		},
-		cloneNode:function(deep){
-			return cloneNode(this.ownerDocument||this,this,deep);
-		},
-		// Modified in DOM Level 2:
-		normalize:function(){
-			var child = this.firstChild;
-			while(child){
-				var next = child.nextSibling;
-				if(next && next.nodeType == TEXT_NODE && child.nodeType == TEXT_NODE){
-					this.removeChild(next);
-					child.appendData(next.data);
-				}else {
-					child.normalize();
-					child = next;
-				}
-			}
-		},
-	  	// Introduced in DOM Level 2:
-		isSupported:function(feature, version){
-			return this.ownerDocument.implementation.hasFeature(feature,version);
-		},
-	    // Introduced in DOM Level 2:
-	    hasAttributes:function(){
-	    	return this.attributes.length>0;
-	    },
-	    lookupPrefix:function(namespaceURI){
-	    	var el = this;
-	    	while(el){
-	    		var map = el._nsMap;
-	    		//console.dir(map)
-	    		if(map){
-	    			for(var n in map){
-	    				if(map[n] == namespaceURI){
-	    					return n;
-	    				}
-	    			}
-	    		}
-	    		el = el.nodeType == ATTRIBUTE_NODE?el.ownerDocument : el.parentNode;
-	    	}
-	    	return null;
-	    },
-	    // Introduced in DOM Level 3:
-	    lookupNamespaceURI:function(prefix){
-	    	var el = this;
-	    	while(el){
-	    		var map = el._nsMap;
-	    		//console.dir(map)
-	    		if(map){
-	    			if(prefix in map){
-	    				return map[prefix] ;
-	    			}
-	    		}
-	    		el = el.nodeType == ATTRIBUTE_NODE?el.ownerDocument : el.parentNode;
-	    	}
-	    	return null;
-	    },
-	    // Introduced in DOM Level 3:
-	    isDefaultNamespace:function(namespaceURI){
-	    	var prefix = this.lookupPrefix(namespaceURI);
-	    	return prefix == null;
-	    }
-	};
-
-
-	function _xmlEncoder(c){
-		return c == '<' && '&lt;' ||
-	         c == '>' && '&gt;' ||
-	         c == '&' && '&amp;' ||
-	         c == '"' && '&quot;' ||
-	         '&#'+c.charCodeAt()+';'
-	}
-
-
-	copy$2(NodeType,Node);
-	copy$2(NodeType,Node.prototype);
-
-	/**
-	 * @param callback return true for continue,false for break
-	 * @return boolean true: break visit;
-	 */
-	function _visitNode(node,callback){
-		if(callback(node)){
-			return true;
-		}
-		if(node = node.firstChild){
-			do{
-				if(_visitNode(node,callback)){return true}
-	        }while(node=node.nextSibling)
-	    }
-	}
-
-
-
-	function Document(){
-	}
-	function _onAddAttribute(doc,el,newAttr){
-		doc && doc._inc++;
-		var ns = newAttr.namespaceURI ;
-		if(ns == 'http://www.w3.org/2000/xmlns/'){
-			//update namespace
-			el._nsMap[newAttr.prefix?newAttr.localName:''] = newAttr.value;
-		}
-	}
-	function _onRemoveAttribute(doc,el,newAttr,remove){
-		doc && doc._inc++;
-		var ns = newAttr.namespaceURI ;
-		if(ns == 'http://www.w3.org/2000/xmlns/'){
-			//update namespace
-			delete el._nsMap[newAttr.prefix?newAttr.localName:''];
-		}
-	}
-	function _onUpdateChild(doc,el,newChild){
-		if(doc && doc._inc){
-			doc._inc++;
-			//update childNodes
-			var cs = el.childNodes;
-			if(newChild){
-				cs[cs.length++] = newChild;
-			}else {
-				//console.log(1)
-				var child = el.firstChild;
-				var i = 0;
-				while(child){
-					cs[i++] = child;
-					child =child.nextSibling;
-				}
-				cs.length = i;
-			}
-		}
-	}
-
-	/**
-	 * attributes;
-	 * children;
-	 * 
-	 * writeable properties:
-	 * nodeValue,Attr:value,CharacterData:data
-	 * prefix
-	 */
-	function _removeChild(parentNode,child){
-		var previous = child.previousSibling;
-		var next = child.nextSibling;
-		if(previous){
-			previous.nextSibling = next;
-		}else {
-			parentNode.firstChild = next;
-		}
-		if(next){
-			next.previousSibling = previous;
-		}else {
-			parentNode.lastChild = previous;
-		}
-		_onUpdateChild(parentNode.ownerDocument,parentNode);
-		return child;
-	}
-	/**
-	 * preformance key(refChild == null)
-	 */
-	function _insertBefore(parentNode,newChild,nextChild){
-		var cp = newChild.parentNode;
-		if(cp){
-			cp.removeChild(newChild);//remove and update
-		}
-		if(newChild.nodeType === DOCUMENT_FRAGMENT_NODE){
-			var newFirst = newChild.firstChild;
-			if (newFirst == null) {
-				return newChild;
-			}
-			var newLast = newChild.lastChild;
-		}else {
-			newFirst = newLast = newChild;
-		}
-		var pre = nextChild ? nextChild.previousSibling : parentNode.lastChild;
-
-		newFirst.previousSibling = pre;
-		newLast.nextSibling = nextChild;
-		
-		
-		if(pre){
-			pre.nextSibling = newFirst;
-		}else {
-			parentNode.firstChild = newFirst;
-		}
-		if(nextChild == null){
-			parentNode.lastChild = newLast;
-		}else {
-			nextChild.previousSibling = newLast;
-		}
-		do{
-			newFirst.parentNode = parentNode;
-		}while(newFirst !== newLast && (newFirst= newFirst.nextSibling))
-		_onUpdateChild(parentNode.ownerDocument||parentNode,parentNode);
-		//console.log(parentNode.lastChild.nextSibling == null)
-		if (newChild.nodeType == DOCUMENT_FRAGMENT_NODE) {
-			newChild.firstChild = newChild.lastChild = null;
-		}
-		return newChild;
-	}
-	function _appendSingleChild(parentNode,newChild){
-		var cp = newChild.parentNode;
-		if(cp){
-			var pre = parentNode.lastChild;
-			cp.removeChild(newChild);//remove and update
-			var pre = parentNode.lastChild;
-		}
-		var pre = parentNode.lastChild;
-		newChild.parentNode = parentNode;
-		newChild.previousSibling = pre;
-		newChild.nextSibling = null;
-		if(pre){
-			pre.nextSibling = newChild;
-		}else {
-			parentNode.firstChild = newChild;
-		}
-		parentNode.lastChild = newChild;
-		_onUpdateChild(parentNode.ownerDocument,parentNode,newChild);
-		return newChild;
-		//console.log("__aa",parentNode.lastChild.nextSibling == null)
-	}
-	Document.prototype = {
-		//implementation : null,
-		nodeName :  '#document',
-		nodeType :  DOCUMENT_NODE,
-		doctype :  null,
-		documentElement :  null,
-		_inc : 1,
-		
-		insertBefore :  function(newChild, refChild){//raises 
-			if(newChild.nodeType == DOCUMENT_FRAGMENT_NODE){
-				var child = newChild.firstChild;
-				while(child){
-					var next = child.nextSibling;
-					this.insertBefore(child,refChild);
-					child = next;
-				}
-				return newChild;
-			}
-			if(this.documentElement == null && newChild.nodeType == ELEMENT_NODE){
-				this.documentElement = newChild;
-			}
-			
-			return _insertBefore(this,newChild,refChild),(newChild.ownerDocument = this),newChild;
-		},
-		removeChild :  function(oldChild){
-			if(this.documentElement == oldChild){
-				this.documentElement = null;
-			}
-			return _removeChild(this,oldChild);
-		},
-		// Introduced in DOM Level 2:
-		importNode : function(importedNode,deep){
-			return importNode(this,importedNode,deep);
-		},
-		// Introduced in DOM Level 2:
-		getElementById :	function(id){
-			var rtv = null;
-			_visitNode(this.documentElement,function(node){
-				if(node.nodeType == ELEMENT_NODE){
-					if(node.getAttribute('id') == id){
-						rtv = node;
-						return true;
-					}
-				}
-			});
-			return rtv;
-		},
-		
-		//document factory method:
-		createElement :	function(tagName){
-			var node = new Element();
-			node.ownerDocument = this;
-			node.nodeName = tagName;
-			node.tagName = tagName;
-			node.childNodes = new NodeList();
-			var attrs	= node.attributes = new NamedNodeMap();
-			attrs._ownerElement = node;
-			return node;
-		},
-		createDocumentFragment :	function(){
-			var node = new DocumentFragment();
-			node.ownerDocument = this;
-			node.childNodes = new NodeList();
-			return node;
-		},
-		createTextNode :	function(data){
-			var node = new Text();
-			node.ownerDocument = this;
-			node.appendData(data);
-			return node;
-		},
-		createComment :	function(data){
-			var node = new Comment();
-			node.ownerDocument = this;
-			node.appendData(data);
-			return node;
-		},
-		createCDATASection :	function(data){
-			var node = new CDATASection();
-			node.ownerDocument = this;
-			node.appendData(data);
-			return node;
-		},
-		createProcessingInstruction :	function(target,data){
-			var node = new ProcessingInstruction();
-			node.ownerDocument = this;
-			node.tagName = node.target = target;
-			node.nodeValue= node.data = data;
-			return node;
-		},
-		createAttribute :	function(name){
-			var node = new Attr();
-			node.ownerDocument	= this;
-			node.name = name;
-			node.nodeName	= name;
-			node.localName = name;
-			node.specified = true;
-			return node;
-		},
-		createEntityReference :	function(name){
-			var node = new EntityReference();
-			node.ownerDocument	= this;
-			node.nodeName	= name;
-			return node;
-		},
-		// Introduced in DOM Level 2:
-		createElementNS :	function(namespaceURI,qualifiedName){
-			var node = new Element();
-			var pl = qualifiedName.split(':');
-			var attrs	= node.attributes = new NamedNodeMap();
-			node.childNodes = new NodeList();
-			node.ownerDocument = this;
-			node.nodeName = qualifiedName;
-			node.tagName = qualifiedName;
-			node.namespaceURI = namespaceURI;
-			if(pl.length == 2){
-				node.prefix = pl[0];
-				node.localName = pl[1];
-			}else {
-				//el.prefix = null;
-				node.localName = qualifiedName;
-			}
-			attrs._ownerElement = node;
-			return node;
-		},
-		// Introduced in DOM Level 2:
-		createAttributeNS :	function(namespaceURI,qualifiedName){
-			var node = new Attr();
-			var pl = qualifiedName.split(':');
-			node.ownerDocument = this;
-			node.nodeName = qualifiedName;
-			node.name = qualifiedName;
-			node.namespaceURI = namespaceURI;
-			node.specified = true;
-			if(pl.length == 2){
-				node.prefix = pl[0];
-				node.localName = pl[1];
-			}else {
-				//el.prefix = null;
-				node.localName = qualifiedName;
-			}
-			return node;
-		}
-	};
-	_extends(Document,Node);
-
-
-	function Element() {
-		this._nsMap = {};
-	}Element.prototype = {
-		nodeType : ELEMENT_NODE,
-		hasAttribute : function(name){
-			return this.getAttributeNode(name)!=null;
-		},
-		getAttribute : function(name){
-			var attr = this.getAttributeNode(name);
-			return attr && attr.value || '';
-		},
-		getAttributeNode : function(name){
-			return this.attributes.getNamedItem(name);
-		},
-		setAttribute : function(name, value){
-			var attr = this.ownerDocument.createAttribute(name);
-			attr.value = attr.nodeValue = "" + value;
-			this.setAttributeNode(attr);
-		},
-		removeAttribute : function(name){
-			var attr = this.getAttributeNode(name);
-			attr && this.removeAttributeNode(attr);
-		},
-		
-		//four real opeartion method
-		appendChild:function(newChild){
-			if(newChild.nodeType === DOCUMENT_FRAGMENT_NODE){
-				return this.insertBefore(newChild,null);
-			}else {
-				return _appendSingleChild(this,newChild);
-			}
-		},
-		setAttributeNode : function(newAttr){
-			return this.attributes.setNamedItem(newAttr);
-		},
-		setAttributeNodeNS : function(newAttr){
-			return this.attributes.setNamedItemNS(newAttr);
-		},
-		removeAttributeNode : function(oldAttr){
-			//console.log(this == oldAttr.ownerElement)
-			return this.attributes.removeNamedItem(oldAttr.nodeName);
-		},
-		//get real attribute name,and remove it by removeAttributeNode
-		removeAttributeNS : function(namespaceURI, localName){
-			var old = this.getAttributeNodeNS(namespaceURI, localName);
-			old && this.removeAttributeNode(old);
-		},
-		
-		hasAttributeNS : function(namespaceURI, localName){
-			return this.getAttributeNodeNS(namespaceURI, localName)!=null;
-		},
-		getAttributeNS : function(namespaceURI, localName){
-			var attr = this.getAttributeNodeNS(namespaceURI, localName);
-			return attr && attr.value || '';
-		},
-		setAttributeNS : function(namespaceURI, qualifiedName, value){
-			var attr = this.ownerDocument.createAttributeNS(namespaceURI, qualifiedName);
-			attr.value = attr.nodeValue = "" + value;
-			this.setAttributeNode(attr);
-		},
-		getAttributeNodeNS : function(namespaceURI, localName){
-			return this.attributes.getNamedItemNS(namespaceURI, localName);
-		},
-		
-		getElementsByTagName : function(tagName){
-			return new LiveNodeList(this,function(base){
-				var ls = [];
-				_visitNode(base,function(node){
-					if(node !== base && node.nodeType == ELEMENT_NODE && (tagName === '*' || node.tagName == tagName)){
-						ls.push(node);
-					}
-				});
-				return ls;
-			});
-		},
-		getElementsByTagNameNS : function(namespaceURI, localName){
-			return new LiveNodeList(this,function(base){
-				var ls = [];
-				_visitNode(base,function(node){
-					if(node !== base && node.nodeType === ELEMENT_NODE && (namespaceURI === '*' || node.namespaceURI === namespaceURI) && (localName === '*' || node.localName == localName)){
-						ls.push(node);
-					}
-				});
-				return ls;
-				
-			});
-		}
-	};
-	Document.prototype.getElementsByTagName = Element.prototype.getElementsByTagName;
-	Document.prototype.getElementsByTagNameNS = Element.prototype.getElementsByTagNameNS;
-
-
-	_extends(Element,Node);
-	function Attr() {
-	}Attr.prototype.nodeType = ATTRIBUTE_NODE;
-	_extends(Attr,Node);
-
-
-	function CharacterData() {
-	}CharacterData.prototype = {
-		data : '',
-		substringData : function(offset, count) {
-			return this.data.substring(offset, offset+count);
-		},
-		appendData: function(text) {
-			text = this.data+text;
-			this.nodeValue = this.data = text;
-			this.length = text.length;
-		},
-		insertData: function(offset,text) {
-			this.replaceData(offset,0,text);
-		
-		},
-		appendChild:function(newChild){
-			throw new Error(ExceptionMessage[HIERARCHY_REQUEST_ERR])
-		},
-		deleteData: function(offset, count) {
-			this.replaceData(offset,count,"");
-		},
-		replaceData: function(offset, count, text) {
-			var start = this.data.substring(0,offset);
-			var end = this.data.substring(offset+count);
-			text = start + text + end;
-			this.nodeValue = this.data = text;
-			this.length = text.length;
-		}
-	};
-	_extends(CharacterData,Node);
-	function Text() {
-	}Text.prototype = {
-		nodeName : "#text",
-		nodeType : TEXT_NODE,
-		splitText : function(offset) {
-			var text = this.data;
-			var newText = text.substring(offset);
-			text = text.substring(0, offset);
-			this.data = this.nodeValue = text;
-			this.length = text.length;
-			var newNode = this.ownerDocument.createTextNode(newText);
-			if(this.parentNode){
-				this.parentNode.insertBefore(newNode, this.nextSibling);
-			}
-			return newNode;
-		}
-	};
-	_extends(Text,CharacterData);
-	function Comment() {
-	}Comment.prototype = {
-		nodeName : "#comment",
-		nodeType : COMMENT_NODE
-	};
-	_extends(Comment,CharacterData);
-
-	function CDATASection() {
-	}CDATASection.prototype = {
-		nodeName : "#cdata-section",
-		nodeType : CDATA_SECTION_NODE
-	};
-	_extends(CDATASection,CharacterData);
-
-
-	function DocumentType() {
-	}DocumentType.prototype.nodeType = DOCUMENT_TYPE_NODE;
-	_extends(DocumentType,Node);
-
-	function Notation() {
-	}Notation.prototype.nodeType = NOTATION_NODE;
-	_extends(Notation,Node);
-
-	function Entity() {
-	}Entity.prototype.nodeType = ENTITY_NODE;
-	_extends(Entity,Node);
-
-	function EntityReference() {
-	}EntityReference.prototype.nodeType = ENTITY_REFERENCE_NODE;
-	_extends(EntityReference,Node);
-
-	function DocumentFragment() {
-	}DocumentFragment.prototype.nodeName =	"#document-fragment";
-	DocumentFragment.prototype.nodeType =	DOCUMENT_FRAGMENT_NODE;
-	_extends(DocumentFragment,Node);
-
-
-	function ProcessingInstruction() {
-	}
-	ProcessingInstruction.prototype.nodeType = PROCESSING_INSTRUCTION_NODE;
-	_extends(ProcessingInstruction,Node);
-	function XMLSerializer$1(){}
-	XMLSerializer$1.prototype.serializeToString = function(node,isHtml,nodeFilter){
-		return nodeSerializeToString.call(node,isHtml,nodeFilter);
-	};
-	Node.prototype.toString = nodeSerializeToString;
-	function nodeSerializeToString(isHtml,nodeFilter){
-		var buf = [];
-		var refNode = this.nodeType == 9?this.documentElement:this;
-		var prefix = refNode.prefix;
-		var uri = refNode.namespaceURI;
-		
-		if(uri && prefix == null){
-			//console.log(prefix)
-			var prefix = refNode.lookupPrefix(uri);
-			if(prefix == null){
-				//isHTML = true;
-				var visibleNamespaces=[
-				{namespace:uri,prefix:null}
-				//{namespace:uri,prefix:''}
-				];
-			}
-		}
-		serializeToString(this,buf,isHtml,nodeFilter,visibleNamespaces);
-		//console.log('###',this.nodeType,uri,prefix,buf.join(''))
-		return buf.join('');
-	}
-	function needNamespaceDefine(node,isHTML, visibleNamespaces) {
-		var prefix = node.prefix||'';
-		var uri = node.namespaceURI;
-		if (!prefix && !uri){
-			return false;
-		}
-		if (prefix === "xml" && uri === "http://www.w3.org/XML/1998/namespace" 
-			|| uri == 'http://www.w3.org/2000/xmlns/'){
-			return false;
-		}
-		
-		var i = visibleNamespaces.length; 
-		//console.log('@@@@',node.tagName,prefix,uri,visibleNamespaces)
-		while (i--) {
-			var ns = visibleNamespaces[i];
-			// get namespace prefix
-			//console.log(node.nodeType,node.tagName,ns.prefix,prefix)
-			if (ns.prefix == prefix){
-				return ns.namespace != uri;
-			}
-		}
-		//console.log(isHTML,uri,prefix=='')
-		//if(isHTML && prefix ==null && uri == 'http://www.w3.org/1999/xhtml'){
-		//	return false;
-		//}
-		//node.flag = '11111'
-		//console.error(3,true,node.flag,node.prefix,node.namespaceURI)
-		return true;
-	}
-	function serializeToString(node,buf,isHTML,nodeFilter,visibleNamespaces){
-		if(nodeFilter){
-			node = nodeFilter(node);
-			if(node){
-				if(typeof node == 'string'){
-					buf.push(node);
-					return;
-				}
-			}else {
-				return;
-			}
-			//buf.sort.apply(attrs, attributeSorter);
-		}
-		switch(node.nodeType){
-		case ELEMENT_NODE:
-			if (!visibleNamespaces) visibleNamespaces = [];
-			var startVisibleNamespaces = visibleNamespaces.length;
-			var attrs = node.attributes;
-			var len = attrs.length;
-			var child = node.firstChild;
-			var nodeName = node.tagName;
-			
-			isHTML =  (htmlns === node.namespaceURI) ||isHTML; 
-			buf.push('<',nodeName);
-			
-			
-			
-			for(var i=0;i<len;i++){
-				// add namespaces for attributes
-				var attr = attrs.item(i);
-				if (attr.prefix == 'xmlns') {
-					visibleNamespaces.push({ prefix: attr.localName, namespace: attr.value });
-				}else if(attr.nodeName == 'xmlns'){
-					visibleNamespaces.push({ prefix: '', namespace: attr.value });
-				}
-			}
-			for(var i=0;i<len;i++){
-				var attr = attrs.item(i);
-				if (needNamespaceDefine(attr,isHTML, visibleNamespaces)) {
-					var prefix = attr.prefix||'';
-					var uri = attr.namespaceURI;
-					var ns = prefix ? ' xmlns:' + prefix : " xmlns";
-					buf.push(ns, '="' , uri , '"');
-					visibleNamespaces.push({ prefix: prefix, namespace:uri });
-				}
-				serializeToString(attr,buf,isHTML,nodeFilter,visibleNamespaces);
-			}
-			// add namespace for current node		
-			if (needNamespaceDefine(node,isHTML, visibleNamespaces)) {
-				var prefix = node.prefix||'';
-				var uri = node.namespaceURI;
-				var ns = prefix ? ' xmlns:' + prefix : " xmlns";
-				buf.push(ns, '="' , uri , '"');
-				visibleNamespaces.push({ prefix: prefix, namespace:uri });
-			}
-			
-			if(child || isHTML && !/^(?:meta|link|img|br|hr|input)$/i.test(nodeName)){
-				buf.push('>');
-				//if is cdata child node
-				if(isHTML && /^script$/i.test(nodeName)){
-					while(child){
-						if(child.data){
-							buf.push(child.data);
-						}else {
-							serializeToString(child,buf,isHTML,nodeFilter,visibleNamespaces);
-						}
-						child = child.nextSibling;
-					}
-				}else
-				{
-					while(child){
-						serializeToString(child,buf,isHTML,nodeFilter,visibleNamespaces);
-						child = child.nextSibling;
-					}
-				}
-				buf.push('</',nodeName,'>');
-			}else {
-				buf.push('/>');
-			}
-			// remove added visible namespaces
-			//visibleNamespaces.length = startVisibleNamespaces;
-			return;
-		case DOCUMENT_NODE:
-		case DOCUMENT_FRAGMENT_NODE:
-			var child = node.firstChild;
-			while(child){
-				serializeToString(child,buf,isHTML,nodeFilter,visibleNamespaces);
-				child = child.nextSibling;
-			}
-			return;
-		case ATTRIBUTE_NODE:
-			return buf.push(' ',node.name,'="',node.value.replace(/[<&"]/g,_xmlEncoder),'"');
-		case TEXT_NODE:
-			return buf.push(node.data.replace(/[<&]/g,_xmlEncoder));
-		case CDATA_SECTION_NODE:
-			return buf.push( '<![CDATA[',node.data,']]>');
-		case COMMENT_NODE:
-			return buf.push( "<!--",node.data,"-->");
-		case DOCUMENT_TYPE_NODE:
-			var pubid = node.publicId;
-			var sysid = node.systemId;
-			buf.push('<!DOCTYPE ',node.name);
-			if(pubid){
-				buf.push(' PUBLIC "',pubid);
-				if (sysid && sysid!='.') {
-					buf.push( '" "',sysid);
-				}
-				buf.push('">');
-			}else if(sysid && sysid!='.'){
-				buf.push(' SYSTEM "',sysid,'">');
-			}else {
-				var sub = node.internalSubset;
-				if(sub){
-					buf.push(" [",sub,"]");
-				}
-				buf.push(">");
-			}
-			return;
-		case PROCESSING_INSTRUCTION_NODE:
-			return buf.push( "<?",node.target," ",node.data,"?>");
-		case ENTITY_REFERENCE_NODE:
-			return buf.push( '&',node.nodeName,';');
-		//case ENTITY_NODE:
-		//case NOTATION_NODE:
-		default:
-			buf.push('??',node.nodeName);
-		}
-	}
-	function importNode(doc,node,deep){
-		var node2;
-		switch (node.nodeType) {
-		case ELEMENT_NODE:
-			node2 = node.cloneNode(false);
-			node2.ownerDocument = doc;
-			//var attrs = node2.attributes;
-			//var len = attrs.length;
-			//for(var i=0;i<len;i++){
-				//node2.setAttributeNodeNS(importNode(doc,attrs.item(i),deep));
-			//}
-		case DOCUMENT_FRAGMENT_NODE:
-			break;
-		case ATTRIBUTE_NODE:
-			deep = true;
-			break;
-		//case ENTITY_REFERENCE_NODE:
-		//case PROCESSING_INSTRUCTION_NODE:
-		////case TEXT_NODE:
-		//case CDATA_SECTION_NODE:
-		//case COMMENT_NODE:
-		//	deep = false;
-		//	break;
-		//case DOCUMENT_NODE:
-		//case DOCUMENT_TYPE_NODE:
-		//cannot be imported.
-		//case ENTITY_NODE:
-		//case NOTATION_NODE：
-		//can not hit in level3
-		//default:throw e;
-		}
-		if(!node2){
-			node2 = node.cloneNode(false);//false
-		}
-		node2.ownerDocument = doc;
-		node2.parentNode = null;
-		if(deep){
-			var child = node.firstChild;
-			while(child){
-				node2.appendChild(importNode(doc,child,deep));
-				child = child.nextSibling;
-			}
-		}
-		return node2;
-	}
-	//
-	//var _relationMap = {firstChild:1,lastChild:1,previousSibling:1,nextSibling:1,
-	//					attributes:1,childNodes:1,parentNode:1,documentElement:1,doctype,};
-	function cloneNode(doc,node,deep){
-		var node2 = new node.constructor();
-		for(var n in node){
-			var v = node[n];
-			if(typeof v != 'object' ){
-				if(v != node2[n]){
-					node2[n] = v;
-				}
-			}
-		}
-		if(node.childNodes){
-			node2.childNodes = new NodeList();
-		}
-		node2.ownerDocument = doc;
-		switch (node2.nodeType) {
-		case ELEMENT_NODE:
-			var attrs	= node.attributes;
-			var attrs2	= node2.attributes = new NamedNodeMap();
-			var len = attrs.length;
-			attrs2._ownerElement = node2;
-			for(var i=0;i<len;i++){
-				node2.setAttributeNode(cloneNode(doc,attrs.item(i),true));
-			}
-			break;	case ATTRIBUTE_NODE:
-			deep = true;
-		}
-		if(deep){
-			var child = node.firstChild;
-			while(child){
-				node2.appendChild(cloneNode(doc,child,deep));
-				child = child.nextSibling;
-			}
-		}
-		return node2;
-	}
-
-	function __set__(object,key,value){
-		object[key] = value;
-	}
-	//do dynamic
-	try{
-		if(Object.defineProperty){
-			Object.defineProperty(LiveNodeList.prototype,'length',{
-				get:function(){
-					_updateLiveList(this);
-					return this.$$length;
-				}
-			});
-			Object.defineProperty(Node.prototype,'textContent',{
-				get:function(){
-					return getTextContent(this);
-				},
-				set:function(data){
-					switch(this.nodeType){
-					case ELEMENT_NODE:
-					case DOCUMENT_FRAGMENT_NODE:
-						while(this.firstChild){
-							this.removeChild(this.firstChild);
-						}
-						if(data || String(data)){
-							this.appendChild(this.ownerDocument.createTextNode(data));
-						}
-						break;
-					default:
-						//TODO:
-						this.data = data;
-						this.value = data;
-						this.nodeValue = data;
-					}
-				}
-			});
-			
-			function getTextContent(node){
-				switch(node.nodeType){
-				case ELEMENT_NODE:
-				case DOCUMENT_FRAGMENT_NODE:
-					var buf = [];
-					node = node.firstChild;
-					while(node){
-						if(node.nodeType!==7 && node.nodeType !==8){
-							buf.push(getTextContent(node));
-						}
-						node = node.nextSibling;
-					}
-					return buf.join('');
-				default:
-					return node.nodeValue;
-				}
-			}
-			__set__ = function(object,key,value){
-				//console.log(value)
-				object['$$'+key] = value;
-			};
-		}
-	}catch(e){//ie8
-	}
-
-	//if(typeof require == 'function'){
-		var DOMImplementation_1 = DOMImplementation;
-		var XMLSerializer_1 = XMLSerializer$1;
-	//}
-
-	var dom = {
-		DOMImplementation: DOMImplementation_1,
-		XMLSerializer: XMLSerializer_1
-	};
-
-	var domParser = createCommonjsModule(function (module, exports) {
-	function DOMParser(options){
-		this.options = options ||{locator:{}};
-		
-	}
-	DOMParser.prototype.parseFromString = function(source,mimeType){
-		var options = this.options;
-		var sax =  new XMLReader();
-		var domBuilder = options.domBuilder || new DOMHandler();//contentHandler and LexicalHandler
-		var errorHandler = options.errorHandler;
-		var locator = options.locator;
-		var defaultNSMap = options.xmlns||{};
-		var entityMap = {'lt':'<','gt':'>','amp':'&','quot':'"','apos':"'"};
-		if(locator){
-			domBuilder.setDocumentLocator(locator);
-		}
-		
-		sax.errorHandler = buildErrorHandler(errorHandler,domBuilder,locator);
-		sax.domBuilder = options.domBuilder || domBuilder;
-		if(/\/x?html?$/.test(mimeType)){
-			entityMap.nbsp = '\xa0';
-			entityMap.copy = '\xa9';
-			defaultNSMap['']= 'http://www.w3.org/1999/xhtml';
-		}
-		defaultNSMap.xml = defaultNSMap.xml || 'http://www.w3.org/XML/1998/namespace';
-		if(source){
-			sax.parse(source,defaultNSMap,entityMap);
-		}else {
-			sax.errorHandler.error("invalid doc source");
-		}
-		return domBuilder.doc;
-	};
-	function buildErrorHandler(errorImpl,domBuilder,locator){
-		if(!errorImpl){
-			if(domBuilder instanceof DOMHandler){
-				return domBuilder;
-			}
-			errorImpl = domBuilder ;
-		}
-		var errorHandler = {};
-		var isCallback = errorImpl instanceof Function;
-		locator = locator||{};
-		function build(key){
-			var fn = errorImpl[key];
-			if(!fn && isCallback){
-				fn = errorImpl.length == 2?function(msg){errorImpl(key,msg);}:errorImpl;
-			}
-			errorHandler[key] = fn && function(msg){
-				fn('[xmldom '+key+']\t'+msg+_locator(locator));
-			}||function(){};
-		}
-		build('warning');
-		build('error');
-		build('fatalError');
-		return errorHandler;
-	}
-
-	//console.log('#\n\n\n\n\n\n\n####')
-	/**
-	 * +ContentHandler+ErrorHandler
-	 * +LexicalHandler+EntityResolver2
-	 * -DeclHandler-DTDHandler 
-	 * 
-	 * DefaultHandler:EntityResolver, DTDHandler, ContentHandler, ErrorHandler
-	 * DefaultHandler2:DefaultHandler,LexicalHandler, DeclHandler, EntityResolver2
-	 * @link http://www.saxproject.org/apidoc/org/xml/sax/helpers/DefaultHandler.html
-	 */
-	function DOMHandler() {
-	    this.cdata = false;
-	}
-	function position(locator,node){
-		node.lineNumber = locator.lineNumber;
-		node.columnNumber = locator.columnNumber;
-	}
-	/**
-	 * @see org.xml.sax.ContentHandler#startDocument
-	 * @link http://www.saxproject.org/apidoc/org/xml/sax/ContentHandler.html
-	 */ 
-	DOMHandler.prototype = {
-		startDocument : function() {
-	    	this.doc = new DOMImplementation().createDocument(null, null, null);
-	    	if (this.locator) {
-	        	this.doc.documentURI = this.locator.systemId;
-	    	}
-		},
-		startElement:function(namespaceURI, localName, qName, attrs) {
-			var doc = this.doc;
-		    var el = doc.createElementNS(namespaceURI, qName||localName);
-		    var len = attrs.length;
-		    appendElement(this, el);
-		    this.currentElement = el;
-		    
-			this.locator && position(this.locator,el);
-		    for (var i = 0 ; i < len; i++) {
-		        var namespaceURI = attrs.getURI(i);
-		        var value = attrs.getValue(i);
-		        var qName = attrs.getQName(i);
-				var attr = doc.createAttributeNS(namespaceURI, qName);
-				this.locator &&position(attrs.getLocator(i),attr);
-				attr.value = attr.nodeValue = value;
-				el.setAttributeNode(attr);
-		    }
-		},
-		endElement:function(namespaceURI, localName, qName) {
-			var current = this.currentElement;
-			var tagName = current.tagName;
-			this.currentElement = current.parentNode;
-		},
-		startPrefixMapping:function(prefix, uri) {
-		},
-		endPrefixMapping:function(prefix) {
-		},
-		processingInstruction:function(target, data) {
-		    var ins = this.doc.createProcessingInstruction(target, data);
-		    this.locator && position(this.locator,ins);
-		    appendElement(this, ins);
-		},
-		ignorableWhitespace:function(ch, start, length) {
-		},
-		characters:function(chars, start, length) {
-			chars = _toString.apply(this,arguments);
-			//console.log(chars)
-			if(chars){
-				if (this.cdata) {
-					var charNode = this.doc.createCDATASection(chars);
-				} else {
-					var charNode = this.doc.createTextNode(chars);
-				}
-				if(this.currentElement){
-					this.currentElement.appendChild(charNode);
-				}else if(/^\s*$/.test(chars)){
-					this.doc.appendChild(charNode);
-					//process xml
-				}
-				this.locator && position(this.locator,charNode);
-			}
-		},
-		skippedEntity:function(name) {
-		},
-		endDocument:function() {
-			this.doc.normalize();
-		},
-		setDocumentLocator:function (locator) {
-		    if(this.locator = locator){// && !('lineNumber' in locator)){
-		    	locator.lineNumber = 0;
-		    }
-		},
-		//LexicalHandler
-		comment:function(chars, start, length) {
-			chars = _toString.apply(this,arguments);
-		    var comm = this.doc.createComment(chars);
-		    this.locator && position(this.locator,comm);
-		    appendElement(this, comm);
-		},
-		
-		startCDATA:function() {
-		    //used in characters() methods
-		    this.cdata = true;
-		},
-		endCDATA:function() {
-		    this.cdata = false;
-		},
-		
-		startDTD:function(name, publicId, systemId) {
-			var impl = this.doc.implementation;
-		    if (impl && impl.createDocumentType) {
-		        var dt = impl.createDocumentType(name, publicId, systemId);
-		        this.locator && position(this.locator,dt);
-		        appendElement(this, dt);
-		    }
-		},
-		/**
-		 * @see org.xml.sax.ErrorHandler
-		 * @link http://www.saxproject.org/apidoc/org/xml/sax/ErrorHandler.html
-		 */
-		warning:function(error) {
-			console.warn('[xmldom warning]\t'+error,_locator(this.locator));
-		},
-		error:function(error) {
-			console.error('[xmldom error]\t'+error,_locator(this.locator));
-		},
-		fatalError:function(error) {
-			console.error('[xmldom fatalError]\t'+error,_locator(this.locator));
-		    throw error;
-		}
-	};
-	function _locator(l){
-		if(l){
-			return '\n@'+(l.systemId ||'')+'#[line:'+l.lineNumber+',col:'+l.columnNumber+']'
-		}
-	}
-	function _toString(chars,start,length){
-		if(typeof chars == 'string'){
-			return chars.substr(start,length)
-		}else {//java sax connect width xmldom on rhino(what about: "? && !(chars instanceof String)")
-			if(chars.length >= start+length || start){
-				return new java.lang.String(chars,start,length)+'';
-			}
-			return chars;
-		}
-	}
-
-	/*
-	 * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/LexicalHandler.html
-	 * used method of org.xml.sax.ext.LexicalHandler:
-	 *  #comment(chars, start, length)
-	 *  #startCDATA()
-	 *  #endCDATA()
-	 *  #startDTD(name, publicId, systemId)
-	 *
-	 *
-	 * IGNORED method of org.xml.sax.ext.LexicalHandler:
-	 *  #endDTD()
-	 *  #startEntity(name)
-	 *  #endEntity(name)
-	 *
-	 *
-	 * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/DeclHandler.html
-	 * IGNORED method of org.xml.sax.ext.DeclHandler
-	 * 	#attributeDecl(eName, aName, type, mode, value)
-	 *  #elementDecl(name, model)
-	 *  #externalEntityDecl(name, publicId, systemId)
-	 *  #internalEntityDecl(name, value)
-	 * @link http://www.saxproject.org/apidoc/org/xml/sax/ext/EntityResolver2.html
-	 * IGNORED method of org.xml.sax.EntityResolver2
-	 *  #resolveEntity(String name,String publicId,String baseURI,String systemId)
-	 *  #resolveEntity(publicId, systemId)
-	 *  #getExternalSubset(name, baseURI)
-	 * @link http://www.saxproject.org/apidoc/org/xml/sax/DTDHandler.html
-	 * IGNORED method of org.xml.sax.DTDHandler
-	 *  #notationDecl(name, publicId, systemId) {};
-	 *  #unparsedEntityDecl(name, publicId, systemId, notationName) {};
-	 */
-	"endDTD,startEntity,endEntity,attributeDecl,elementDecl,externalEntityDecl,internalEntityDecl,resolveEntity,getExternalSubset,notationDecl,unparsedEntityDecl".replace(/\w+/g,function(key){
-		DOMHandler.prototype[key] = function(){return null};
-	});
-
-	/* Private static helpers treated below as private instance methods, so don't need to add these to the public API; we might use a Relator to also get rid of non-standard public properties */
-	function appendElement (hander,node) {
-	    if (!hander.currentElement) {
-	        hander.doc.appendChild(node);
-	    } else {
-	        hander.currentElement.appendChild(node);
-	    }
-	}//appendChild and setAttributeNS are preformance key
-
-	//if(typeof require == 'function'){
-		var XMLReader = sax.XMLReader;
-		var DOMImplementation = exports.DOMImplementation = dom.DOMImplementation;
-		exports.XMLSerializer = dom.XMLSerializer ;
-		exports.DOMParser = DOMParser;
-	//}
-	});
-
-	var togeojson = createCommonjsModule(function (module, exports) {
-	var toGeoJSON = (function() {
-
-	    var removeSpace = /\s*/g,
-	        trimSpace = /^\s*|\s*$/g,
-	        splitSpace = /\s+/;
-	    // generate a short, numeric hash of a string
-	    function okhash(x) {
-	        if (!x || !x.length) return 0;
-	        for (var i = 0, h = 0; i < x.length; i++) {
-	            h = ((h << 5) - h) + x.charCodeAt(i) | 0;
-	        } return h;
-	    }
-	    // all Y children of X
-	    function get(x, y) { return x.getElementsByTagName(y); }
-	    function attr(x, y) { return x.getAttribute(y); }
-	    function attrf(x, y) { return parseFloat(attr(x, y)); }
-	    // one Y child of X, if any, otherwise null
-	    function get1(x, y) { var n = get(x, y); return n.length ? n[0] : null; }
-	    // https://developer.mozilla.org/en-US/docs/Web/API/Node.normalize
-	    function norm(el) { if (el.normalize) { el.normalize(); } return el; }
-	    // cast array x into numbers
-	    function numarray(x) {
-	        for (var j = 0, o = []; j < x.length; j++) { o[j] = parseFloat(x[j]); }
-	        return o;
-	    }
-	    // get the content of a text node, if any
-	    function nodeVal(x) {
-	        if (x) { norm(x); }
-	        return (x && x.textContent) || '';
-	    }
-	    // get the contents of multiple text nodes, if present
-	    function getMulti(x, ys) {
-	        var o = {}, n, k;
-	        for (k = 0; k < ys.length; k++) {
-	            n = get1(x, ys[k]);
-	            if (n) o[ys[k]] = nodeVal(n);
-	        }
-	        return o;
-	    }
-	    // add properties of Y to X, overwriting if present in both
-	    function extend(x, y) { for (var k in y) x[k] = y[k]; }
-	    // get one coordinate from a coordinate array, if any
-	    function coord1(v) { return numarray(v.replace(removeSpace, '').split(',')); }
-	    // get all coordinates from a coordinate array as [[],[]]
-	    function coord(v) {
-	        var coords = v.replace(trimSpace, '').split(splitSpace),
-	            o = [];
-	        for (var i = 0; i < coords.length; i++) {
-	            o.push(coord1(coords[i]));
-	        }
-	        return o;
-	    }
-	    function coordPair(x) {
-	        var ll = [attrf(x, 'lon'), attrf(x, 'lat')],
-	            ele = get1(x, 'ele'),
-	            // handle namespaced attribute in browser
-	            heartRate = get1(x, 'gpxtpx:hr') || get1(x, 'hr'),
-	            time = get1(x, 'time'),
-	            e;
-	        if (ele) {
-	            e = parseFloat(nodeVal(ele));
-	            if (!isNaN(e)) {
-	                ll.push(e);
-	            }
-	        }
-	        return {
-	            coordinates: ll,
-	            time: time ? nodeVal(time) : null,
-	            heartRate: heartRate ? parseFloat(nodeVal(heartRate)) : null
-	        };
-	    }
-
-	    // create a new feature collection parent object
-	    function fc() {
-	        return {
-	            type: 'FeatureCollection',
-	            features: []
-	        };
-	    }
-
-	    var serializer;
-	    if (typeof XMLSerializer !== 'undefined') {
-	        /* istanbul ignore next */
-	        serializer = new XMLSerializer();
-	    // only require xmldom in a node environment
-	    } else if ( typeof process === 'object' && !process.browser) {
-	        serializer = new (domParser.XMLSerializer)();
-	    }
-	    function xml2str(str) {
-	        // IE9 will create a new XMLSerializer but it'll crash immediately.
-	        // This line is ignored because we don't run coverage tests in IE9
-	        /* istanbul ignore next */
-	        if (str.xml !== undefined) return str.xml;
-	        return serializer.serializeToString(str);
-	    }
-
-	    var t = {
-	        kml: function(doc) {
-
-	            var gj = fc(),
-	                // styleindex keeps track of hashed styles in order to match features
-	                styleIndex = {}, styleByHash = {},
-	                // stylemapindex keeps track of style maps to expose in properties
-	                styleMapIndex = {},
-	                // atomic geospatial types supported by KML - MultiGeometry is
-	                // handled separately
-	                geotypes = ['Polygon', 'LineString', 'Point', 'Track', 'gx:Track'],
-	                // all root placemarks in the file
-	                placemarks = get(doc, 'Placemark'),
-	                styles = get(doc, 'Style'),
-	                styleMaps = get(doc, 'StyleMap');
-
-	            for (var k = 0; k < styles.length; k++) {
-	                var hash = okhash(xml2str(styles[k])).toString(16);
-	                styleIndex['#' + attr(styles[k], 'id')] = hash;
-	                styleByHash[hash] = styles[k];
-	            }
-	            for (var l = 0; l < styleMaps.length; l++) {
-	                styleIndex['#' + attr(styleMaps[l], 'id')] = okhash(xml2str(styleMaps[l])).toString(16);
-	                var pairs = get(styleMaps[l], 'Pair');
-	                var pairsMap = {};
-	                for (var m = 0; m < pairs.length; m++) {
-	                    pairsMap[nodeVal(get1(pairs[m], 'key'))] = nodeVal(get1(pairs[m], 'styleUrl'));
-	                }
-	                styleMapIndex['#' + attr(styleMaps[l], 'id')] = pairsMap;
-
-	            }
-	            for (var j = 0; j < placemarks.length; j++) {
-	                gj.features = gj.features.concat(getPlacemark(placemarks[j]));
-	            }
-	            function kmlColor(v) {
-	                var color, opacity;
-	                v = v || '';
-	                if (v.substr(0, 1) === '#') { v = v.substr(1); }
-	                if (v.length === 6 || v.length === 3) { color = v; }
-	                if (v.length === 8) {
-	                    opacity = parseInt(v.substr(0, 2), 16) / 255;
-	                    color = '#' + v.substr(6, 2) +
-	                        v.substr(4, 2) +
-	                        v.substr(2, 2);
-	                }
-	                return [color, isNaN(opacity) ? undefined : opacity];
-	            }
-	            function gxCoord(v) { return numarray(v.split(' ')); }
-	            function gxCoords(root) {
-	                var elems = get(root, 'coord'), coords = [], times = [];
-	                if (elems.length === 0) elems = get(root, 'gx:coord');
-	                for (var i = 0; i < elems.length; i++) coords.push(gxCoord(nodeVal(elems[i])));
-	                var timeElems = get(root, 'when');
-	                for (var j = 0; j < timeElems.length; j++) times.push(nodeVal(timeElems[j]));
-	                return {
-	                    coords: coords,
-	                    times: times
-	                };
-	            }
-	            function getGeometry(root) {
-	                var geomNode, geomNodes, i, j, k, geoms = [], coordTimes = [];
-	                if (get1(root, 'MultiGeometry')) { return getGeometry(get1(root, 'MultiGeometry')); }
-	                if (get1(root, 'MultiTrack')) { return getGeometry(get1(root, 'MultiTrack')); }
-	                if (get1(root, 'gx:MultiTrack')) { return getGeometry(get1(root, 'gx:MultiTrack')); }
-	                for (i = 0; i < geotypes.length; i++) {
-	                    geomNodes = get(root, geotypes[i]);
-	                    if (geomNodes) {
-	                        for (j = 0; j < geomNodes.length; j++) {
-	                            geomNode = geomNodes[j];
-	                            if (geotypes[i] === 'Point') {
-	                                geoms.push({
-	                                    type: 'Point',
-	                                    coordinates: coord1(nodeVal(get1(geomNode, 'coordinates')))
-	                                });
-	                            } else if (geotypes[i] === 'LineString') {
-	                                geoms.push({
-	                                    type: 'LineString',
-	                                    coordinates: coord(nodeVal(get1(geomNode, 'coordinates')))
-	                                });
-	                            } else if (geotypes[i] === 'Polygon') {
-	                                var rings = get(geomNode, 'LinearRing'),
-	                                    coords = [];
-	                                for (k = 0; k < rings.length; k++) {
-	                                    coords.push(coord(nodeVal(get1(rings[k], 'coordinates'))));
-	                                }
-	                                geoms.push({
-	                                    type: 'Polygon',
-	                                    coordinates: coords
-	                                });
-	                            } else if (geotypes[i] === 'Track' ||
-	                                geotypes[i] === 'gx:Track') {
-	                                var track = gxCoords(geomNode);
-	                                geoms.push({
-	                                    type: 'LineString',
-	                                    coordinates: track.coords
-	                                });
-	                                if (track.times.length) coordTimes.push(track.times);
-	                            }
-	                        }
-	                    }
-	                }
-	                return {
-	                    geoms: geoms,
-	                    coordTimes: coordTimes
-	                };
-	            }
-	            function getPlacemark(root) {
-	                var geomsAndTimes = getGeometry(root), i, properties = {},
-	                    name = nodeVal(get1(root, 'name')),
-	                    address = nodeVal(get1(root, 'address')),
-	                    styleUrl = nodeVal(get1(root, 'styleUrl')),
-	                    description = nodeVal(get1(root, 'description')),
-	                    timeSpan = get1(root, 'TimeSpan'),
-	                    timeStamp = get1(root, 'TimeStamp'),
-	                    extendedData = get1(root, 'ExtendedData'),
-	                    lineStyle = get1(root, 'LineStyle'),
-	                    polyStyle = get1(root, 'PolyStyle'),
-	                    visibility = get1(root, 'visibility');
-
-	                if (!geomsAndTimes.geoms.length) return [];
-	                if (name) properties.name = name;
-	                if (address) properties.address = address;
-	                if (styleUrl) {
-	                    if (styleUrl[0] !== '#') {
-	                        styleUrl = '#' + styleUrl;
-	                    }
-
-	                    properties.styleUrl = styleUrl;
-	                    if (styleIndex[styleUrl]) {
-	                        properties.styleHash = styleIndex[styleUrl];
-	                    }
-	                    if (styleMapIndex[styleUrl]) {
-	                        properties.styleMapHash = styleMapIndex[styleUrl];
-	                        properties.styleHash = styleIndex[styleMapIndex[styleUrl].normal];
-	                    }
-	                    // Try to populate the lineStyle or polyStyle since we got the style hash
-	                    var style = styleByHash[properties.styleHash];
-	                    if (style) {
-	                        if (!lineStyle) lineStyle = get1(style, 'LineStyle');
-	                        if (!polyStyle) polyStyle = get1(style, 'PolyStyle');
-	                    }
-	                }
-	                if (description) properties.description = description;
-	                if (timeSpan) {
-	                    var begin = nodeVal(get1(timeSpan, 'begin'));
-	                    var end = nodeVal(get1(timeSpan, 'end'));
-	                    properties.timespan = { begin: begin, end: end };
-	                }
-	                if (timeStamp) {
-	                    properties.timestamp = nodeVal(get1(timeStamp, 'when'));
-	                }
-	                if (lineStyle) {
-	                    var linestyles = kmlColor(nodeVal(get1(lineStyle, 'color'))),
-	                        color = linestyles[0],
-	                        opacity = linestyles[1],
-	                        width = parseFloat(nodeVal(get1(lineStyle, 'width')));
-	                    if (color) properties.stroke = color;
-	                    if (!isNaN(opacity)) properties['stroke-opacity'] = opacity;
-	                    if (!isNaN(width)) properties['stroke-width'] = width;
-	                }
-	                if (polyStyle) {
-	                    var polystyles = kmlColor(nodeVal(get1(polyStyle, 'color'))),
-	                        pcolor = polystyles[0],
-	                        popacity = polystyles[1],
-	                        fill = nodeVal(get1(polyStyle, 'fill')),
-	                        outline = nodeVal(get1(polyStyle, 'outline'));
-	                    if (pcolor) properties.fill = pcolor;
-	                    if (!isNaN(popacity)) properties['fill-opacity'] = popacity;
-	                    if (fill) properties['fill-opacity'] = fill === '1' ? properties['fill-opacity'] || 1 : 0;
-	                    if (outline) properties['stroke-opacity'] = outline === '1' ? properties['stroke-opacity'] || 1 : 0;
-	                }
-	                if (extendedData) {
-	                    var datas = get(extendedData, 'Data'),
-	                        simpleDatas = get(extendedData, 'SimpleData');
-
-	                    for (i = 0; i < datas.length; i++) {
-	                        properties[datas[i].getAttribute('name')] = nodeVal(get1(datas[i], 'value'));
-	                    }
-	                    for (i = 0; i < simpleDatas.length; i++) {
-	                        properties[simpleDatas[i].getAttribute('name')] = nodeVal(simpleDatas[i]);
-	                    }
-	                }
-	                if (visibility) {
-	                    properties.visibility = nodeVal(visibility);
-	                }
-	                if (geomsAndTimes.coordTimes.length) {
-	                    properties.coordTimes = (geomsAndTimes.coordTimes.length === 1) ?
-	                        geomsAndTimes.coordTimes[0] : geomsAndTimes.coordTimes;
-	                }
-	                var feature = {
-	                    type: 'Feature',
-	                    geometry: (geomsAndTimes.geoms.length === 1) ? geomsAndTimes.geoms[0] : {
-	                        type: 'GeometryCollection',
-	                        geometries: geomsAndTimes.geoms
-	                    },
-	                    properties: properties
-	                };
-	                if (attr(root, 'id')) feature.id = attr(root, 'id');
-	                return [feature];
-	            }
-	            return gj;
-	        },
-	        gpx: function(doc) {
-	            var i,
-	                tracks = get(doc, 'trk'),
-	                routes = get(doc, 'rte'),
-	                waypoints = get(doc, 'wpt'),
-	                // a feature collection
-	                gj = fc(),
-	                feature;
-	            for (i = 0; i < tracks.length; i++) {
-	                feature = getTrack(tracks[i]);
-	                if (feature) gj.features.push(feature);
-	            }
-	            for (i = 0; i < routes.length; i++) {
-	                feature = getRoute(routes[i]);
-	                if (feature) gj.features.push(feature);
-	            }
-	            for (i = 0; i < waypoints.length; i++) {
-	                gj.features.push(getPoint(waypoints[i]));
-	            }
-	            function getPoints(node, pointname) {
-	                var pts = get(node, pointname),
-	                    line = [],
-	                    times = [],
-	                    heartRates = [],
-	                    l = pts.length;
-	                if (l < 2) return {};  // Invalid line in GeoJSON
-	                for (var i = 0; i < l; i++) {
-	                    var c = coordPair(pts[i]);
-	                    line.push(c.coordinates);
-	                    if (c.time) times.push(c.time);
-	                    if (c.heartRate) heartRates.push(c.heartRate);
-	                }
-	                return {
-	                    line: line,
-	                    times: times,
-	                    heartRates: heartRates
-	                };
-	            }
-	            function getTrack(node) {
-	                var segments = get(node, 'trkseg'),
-	                    track = [],
-	                    times = [],
-	                    heartRates = [],
-	                    line;
-	                for (var i = 0; i < segments.length; i++) {
-	                    line = getPoints(segments[i], 'trkpt');
-	                    if (line) {
-	                        if (line.line) track.push(line.line);
-	                        if (line.times && line.times.length) times.push(line.times);
-	                        if (line.heartRates && line.heartRates.length) heartRates.push(line.heartRates);
-	                    }
-	                }
-	                if (track.length === 0) return;
-	                var properties = getProperties(node);
-	                extend(properties, getLineStyle(get1(node, 'extensions')));
-	                if (times.length) properties.coordTimes = track.length === 1 ? times[0] : times;
-	                if (heartRates.length) properties.heartRates = track.length === 1 ? heartRates[0] : heartRates;
-	                return {
-	                    type: 'Feature',
-	                    properties: properties,
-	                    geometry: {
-	                        type: track.length === 1 ? 'LineString' : 'MultiLineString',
-	                        coordinates: track.length === 1 ? track[0] : track
-	                    }
-	                };
-	            }
-	            function getRoute(node) {
-	                var line = getPoints(node, 'rtept');
-	                if (!line.line) return;
-	                var prop = getProperties(node);
-	                extend(prop, getLineStyle(get1(node, 'extensions')));
-	                var routeObj = {
-	                    type: 'Feature',
-	                    properties: prop,
-	                    geometry: {
-	                        type: 'LineString',
-	                        coordinates: line.line
-	                    }
-	                };
-	                return routeObj;
-	            }
-	            function getPoint(node) {
-	                var prop = getProperties(node);
-	                extend(prop, getMulti(node, ['sym']));
-	                return {
-	                    type: 'Feature',
-	                    properties: prop,
-	                    geometry: {
-	                        type: 'Point',
-	                        coordinates: coordPair(node).coordinates
-	                    }
-	                };
-	            }
-	            function getLineStyle(extensions) {
-	                var style = {};
-	                if (extensions) {
-	                    var lineStyle = get1(extensions, 'line');
-	                    if (lineStyle) {
-	                        var color = nodeVal(get1(lineStyle, 'color')),
-	                            opacity = parseFloat(nodeVal(get1(lineStyle, 'opacity'))),
-	                            width = parseFloat(nodeVal(get1(lineStyle, 'width')));
-	                        if (color) style.stroke = color;
-	                        if (!isNaN(opacity)) style['stroke-opacity'] = opacity;
-	                        // GPX width is in mm, convert to px with 96 px per inch
-	                        if (!isNaN(width)) style['stroke-width'] = width * 96 / 25.4;
-	                    }
-	                }
-	                return style;
-	            }
-	            function getProperties(node) {
-	                var prop = getMulti(node, ['name', 'cmt', 'desc', 'type', 'time', 'keywords']),
-	                    links = get(node, 'link');
-	                if (links.length) prop.links = [];
-	                for (var i = 0, link; i < links.length; i++) {
-	                    link = { href: attr(links[i], 'href') };
-	                    extend(link, getMulti(links[i], ['text', 'type']));
-	                    prop.links.push(link);
-	                }
-	                return prop;
-	            }
-	            return gj;
-	        }
-	    };
-	    return t;
-	})();
-
-	module.exports = toGeoJSON;
-	});
-
-	var _initialized = false;
-	var _enabled = false;
-	var _geojson;
-
-
-	function svgData(projection, context, dispatch) {
-	    var throttledRedraw = throttle(function () { dispatch.call('change'); }, 1000);
-	    var _showLabels = true;
-	    var detected = utilDetect();
-	    var layer = select(null);
-	    var _vtService;
-	    var _fileList;
-	    var _template;
-	    var _src;
-
-
-	    function init() {
-	        if (_initialized) return;  // run once
-
-	        _geojson = {};
-	        _enabled = true;
-
-	        function over() {
-	            event.stopPropagation();
-	            event.preventDefault();
-	            event.dataTransfer.dropEffect = 'copy';
-	        }
-
-	        context.container()
-	            .attr('dropzone', 'copy')
-	            .on('drop.svgData', function() {
-	                event.stopPropagation();
-	                event.preventDefault();
-	                if (!detected.filedrop) return;
-	                drawData.fileList(event.dataTransfer.files);
-	            })
-	            .on('dragenter.svgData', over)
-	            .on('dragexit.svgData', over)
-	            .on('dragover.svgData', over);
-
-	        _initialized = true;
-	    }
-
-
-	    function getService() {
-	        if (services.vectorTile && !_vtService) {
-	            _vtService = services.vectorTile;
-	            _vtService.event.on('loadedData', throttledRedraw);
-	        } else if (!services.vectorTile && _vtService) {
-	            _vtService = null;
-	        }
-
-	        return _vtService;
-	    }
-
-
-	    function showLayer() {
-	        layerOn();
-
-	        layer
-	            .style('opacity', 0)
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 1)
-	            .on('end', function () { dispatch.call('change'); });
-	    }
-
-
-	    function hideLayer() {
-	        throttledRedraw.cancel();
-
-	        layer
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 0)
-	            .on('end', layerOff);
-	    }
-
-
-	    function layerOn() {
-	        layer.style('display', 'block');
-	    }
-
-
-	    function layerOff() {
-	        layer.selectAll('.viewfield-group').remove();
-	        layer.style('display', 'none');
-	    }
-
-
-	    // ensure that all geojson features in a collection have IDs
-	    function ensureIDs(gj) {
-	        if (!gj) return null;
-
-	        if (gj.type === 'FeatureCollection') {
-	            for (var i = 0; i < gj.features.length; i++) {
-	                ensureFeatureID(gj.features[i]);
-	            }
-	        } else {
-	            ensureFeatureID(gj);
-	        }
-	        return gj;
-	    }
-
-
-	    // ensure that each single Feature object has a unique ID
-	    function ensureFeatureID(feature) {
-	        if (!feature) return;
-	        feature.__featurehash__ = utilHashcode(fastJsonStableStringify(feature));
-	        return feature;
-	    }
-
-
-	    // Prefer an array of Features instead of a FeatureCollection
-	    function getFeatures(gj) {
-	        if (!gj) return [];
-
-	        if (gj.type === 'FeatureCollection') {
-	            return gj.features;
-	        } else {
-	            return [gj];
-	        }
-	    }
-
-
-	    function featureKey(d) {
-	        return d.__featurehash__;
-	    }
-
-
-	    function isPolygon(d) {
-	        return d.geometry.type === 'Polygon' || d.geometry.type === 'MultiPolygon';
-	    }
-
-
-	    function clipPathID(d) {
-	        return 'ideditor-data-' + d.__featurehash__ + '-clippath';
-	    }
-
-
-	    function featureClasses(d) {
-	        return [
-	            'data' + d.__featurehash__,
-	            d.geometry.type,
-	            isPolygon(d) ? 'area' : '',
-	            d.__layerID__ || ''
-	        ].filter(Boolean).join(' ');
-	    }
-
-
-	    function drawData(selection) {
-	        var vtService = getService();
-	        var getPath = svgPath(projection).geojson;
-	        var getAreaPath = svgPath(projection, null, true).geojson;
-	        var hasData = drawData.hasData();
-
-	        layer = selection.selectAll('.layer-mapdata')
-	            .data(_enabled && hasData ? [0] : []);
-
-	        layer.exit()
-	            .remove();
-
-	        layer = layer.enter()
-	            .append('g')
-	            .attr('class', 'layer-mapdata')
-	            .merge(layer);
-
-	        var surface = context.surface();
-	        if (!surface || surface.empty()) return;  // not ready to draw yet, starting up
-
-
-	        // Gather data
-	        var geoData, polygonData;
-	        if (_template && vtService) {   // fetch data from vector tile service
-	            var sourceID = _template;
-	            vtService.loadTiles(sourceID, _template, projection);
-	            geoData = vtService.data(sourceID, projection);
-	        } else {
-	            geoData = getFeatures(_geojson);
-	        }
-	        geoData = geoData.filter(getPath);
-	        polygonData = geoData.filter(isPolygon);
-
-
-	        // Draw clip paths for polygons
-	        var clipPaths = surface.selectAll('defs').selectAll('.clipPath-data')
-	           .data(polygonData, featureKey);
-
-	        clipPaths.exit()
-	           .remove();
-
-	        var clipPathsEnter = clipPaths.enter()
-	           .append('clipPath')
-	           .attr('class', 'clipPath-data')
-	           .attr('id', clipPathID);
-
-	        clipPathsEnter
-	           .append('path');
-
-	        clipPaths.merge(clipPathsEnter)
-	           .selectAll('path')
-	           .attr('d', getAreaPath);
-
-
-	        // Draw fill, shadow, stroke layers
-	        var datagroups = layer
-	            .selectAll('g.datagroup')
-	            .data(['fill', 'shadow', 'stroke']);
-
-	        datagroups = datagroups.enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'datagroup datagroup-' + d; })
-	            .merge(datagroups);
-
-
-	        // Draw paths
-	        var pathData = {
-	            fill: polygonData,
-	            shadow: geoData,
-	            stroke: geoData
-	        };
-
-	        var paths = datagroups
-	            .selectAll('path')
-	            .data(function(layer) { return pathData[layer]; }, featureKey);
-
-	        // exit
-	        paths.exit()
-	            .remove();
-
-	        // enter/update
-	        paths = paths.enter()
-	            .append('path')
-	            .attr('class', function(d) {
-	                var datagroup = this.parentNode.__data__;
-	                return 'pathdata ' + datagroup + ' ' + featureClasses(d);
-	            })
-	            .attr('clip-path', function(d) {
-	                var datagroup = this.parentNode.__data__;
-	                return datagroup === 'fill' ? ('url(#' + clipPathID(d) + ')') : null;
-	            })
-	            .merge(paths)
-	            .attr('d', function(d) {
-	                var datagroup = this.parentNode.__data__;
-	                return datagroup === 'fill' ? getAreaPath(d) : getPath(d);
-	            });
-
-
-	        // Draw labels
-	        layer
-	            .call(drawLabels, 'label-halo', geoData)
-	            .call(drawLabels, 'label', geoData);
-
-
-	        function drawLabels(selection, textClass, data) {
-	            var labelPath = d3_geoPath(projection);
-	            var labelData = data.filter(function(d) {
-	                return _showLabels && d.properties && (d.properties.desc || d.properties.name);
-	            });
-
-	            var labels = selection.selectAll('text.' + textClass)
-	                .data(labelData, featureKey);
-
-	            // exit
-	            labels.exit()
-	                .remove();
-
-	            // enter/update
-	            labels = labels.enter()
-	                .append('text')
-	                .attr('class', function(d) { return textClass + ' ' + featureClasses(d); })
-	                .merge(labels)
-	                .text(function(d) {
-	                    return d.properties.desc || d.properties.name;
-	                })
-	                .attr('x', function(d) {
-	                    var centroid = labelPath.centroid(d);
-	                    return centroid[0] + 11;
-	                })
-	                .attr('y', function(d) {
-	                    var centroid = labelPath.centroid(d);
-	                    return centroid[1];
-	                });
-	        }
-	    }
-
-
-	    function getExtension(fileName) {
-	        if (!fileName) return;
-
-	        var re = /\.(gpx|kml|(geo)?json)$/i;
-	        var match = fileName.toLowerCase().match(re);
-	        return match && match.length && match[0];
-	    }
-
-
-	    function xmlToDom(textdata) {
-	        return (new DOMParser()).parseFromString(textdata, 'text/xml');
-	    }
-
-
-	    drawData.setFile = function(extension, data) {
-	        _template = null;
-	        _fileList = null;
-	        _geojson = null;
-	        _src = null;
-
-	        var gj;
-	        switch (extension) {
-	            case '.gpx':
-	                gj = togeojson.gpx(xmlToDom(data));
-	                break;
-	            case '.kml':
-	                gj = togeojson.kml(xmlToDom(data));
-	                break;
-	            case '.geojson':
-	            case '.json':
-	                gj = JSON.parse(data);
-	                break;
-	        }
-
-	        gj = gj || {};
-	        if (Object.keys(gj).length) {
-	            _geojson = ensureIDs(gj);
-	            _src = extension + ' data file';
-	            this.fitZoom();
-	        }
-
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    drawData.showLabels = function(val) {
-	        if (!arguments.length) return _showLabels;
-
-	        _showLabels = val;
-	        return this;
-	    };
-
-
-	    drawData.enabled = function(val) {
-	        if (!arguments.length) return _enabled;
-
-	        _enabled = val;
-	        if (_enabled) {
-	            showLayer();
-	        } else {
-	            hideLayer();
-	        }
-
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    drawData.hasData = function() {
-	        var gj = _geojson || {};
-	        return !!(_template || Object.keys(gj).length);
-	    };
-
-
-	    drawData.template = function(val, src) {
-	        if (!arguments.length) return _template;
-
-	        // test source against OSM imagery blacklists..
-	        var osm = context.connection();
-	        if (osm) {
-	            var blacklists = osm.imageryBlacklists();
-	            var fail = false;
-	            var tested = 0;
-	            var regex;
-
-	            for (var i = 0; i < blacklists.length; i++) {
-	                try {
-	                    regex = new RegExp(blacklists[i]);
-	                    fail = regex.test(val);
-	                    tested++;
-	                    if (fail) break;
-	                } catch (e) {
-	                    /* noop */
-	                }
-	            }
-
-	            // ensure at least one test was run.
-	            if (!tested) {
-	                regex = new RegExp('.*\.google(apis)?\..*/(vt|kh)[\?/].*([xyz]=.*){3}.*');
-	                fail = regex.test(val);
-	            }
-	        }
-
-	        _template = val;
-	        _fileList = null;
-	        _geojson = null;
-
-	        // strip off the querystring/hash from the template,
-	        // it often includes the access token
-	        _src = src || ('vectortile:' + val.split(/[?#]/)[0]);
-
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    drawData.geojson = function(gj, src) {
-	        if (!arguments.length) return _geojson;
-
-	        _template = null;
-	        _fileList = null;
-	        _geojson = null;
-	        _src = null;
-
-	        gj = gj || {};
-	        if (Object.keys(gj).length) {
-	            _geojson = ensureIDs(gj);
-	            _src = src || 'unknown.geojson';
-	        }
-
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    drawData.fileList = function(fileList) {
-	        if (!arguments.length) return _fileList;
-
-	        _template = null;
-	        _fileList = fileList;
-	        _geojson = null;
-	        _src = null;
-
-	        if (!fileList || !fileList.length) return this;
-	        var f = fileList[0];
-	        var extension = getExtension(f.name);
-	        var reader = new FileReader();
-	        reader.onload = (function() {
-	            return function(e) {
-	                drawData.setFile(extension, e.target.result);
-	            };
-	        })();
-
-	        reader.readAsText(f);
-
-	        return this;
-	    };
-
-
-	    drawData.url = function(url, defaultExtension) {
-	        _template = null;
-	        _fileList = null;
-	        _geojson = null;
-	        _src = null;
-
-	        // strip off any querystring/hash from the url before checking extension
-	        var testUrl = url.split(/[?#]/)[0];
-	        var extension = getExtension(testUrl) || defaultExtension;
-	        if (extension) {
-	            _template = null;
-	            d3_text(url)
-	                .then(function(data) {
-	                    drawData.setFile(extension, data);
-	                })
-	                .catch(function() {
-	                    /* ignore */
-	                });
-
-	        } else {
-	            drawData.template(url);
-	        }
-
-	        return this;
-	    };
-
-
-	    drawData.getSrc = function() {
-	        return _src || '';
-	    };
-
-
-	    drawData.fitZoom = function() {
-	        var features = getFeatures(_geojson);
-	        if (!features.length) return;
-
-	        var map = context.map();
-	        var viewport = map.trimmedExtent().polygon();
-	        var coords = features.reduce(function(coords, feature) {
-	            var geom = feature.geometry;
-	            if (!geom) return coords;
-
-	            var c = geom.coordinates;
-
-	            /* eslint-disable no-fallthrough */
-	            switch (geom.type) {
-	                case 'Point':
-	                    c = [c];
-	                case 'MultiPoint':
-	                case 'LineString':
-	                    break;
-
-	                case 'MultiPolygon':
-	                    c = utilArrayFlatten(c);
-	                case 'Polygon':
-	                case 'MultiLineString':
-	                    c = utilArrayFlatten(c);
-	                    break;
-	            }
-	            /* eslint-enable no-fallthrough */
-
-	            return utilArrayUnion(coords, c);
-	        }, []);
-
-	        if (!geoPolygonIntersectsPolygon(viewport, coords, true)) {
-	            var extent = geoExtent(d3_geoBounds({ type: 'LineString', coordinates: coords }));
-	            map.centerZoom(extent.center(), map.trimmedExtentZoom(extent));
-	        }
-
-	        return this;
-	    };
-
-
-	    init();
-	    return drawData;
-	}
-
-	function svgDebug(projection, context) {
-
-	  function drawDebug(selection) {
-	    const showTile = context.getDebug('tile');
-	    const showCollision = context.getDebug('collision');
-	    const showImagery = context.getDebug('imagery');
-	    const showTouchTargets = context.getDebug('target');
-	    const showDownloaded = context.getDebug('downloaded');
-
-	    let debugData = [];
-	    if (showTile) {
-	      debugData.push({ class: 'red', label: 'tile' });
-	    }
-	    if (showCollision) {
-	      debugData.push({ class: 'yellow', label: 'collision' });
-	    }
-	    if (showImagery) {
-	      debugData.push({ class: 'orange', label: 'imagery' });
-	    }
-	    if (showTouchTargets) {
-	      debugData.push({ class: 'pink', label: 'touchTargets' });
-	    }
-	    if (showDownloaded) {
-	      debugData.push({ class: 'purple', label: 'downloaded' });
-	    }
-
-
-	    let legend = context.container().select('.main-content')
-	      .selectAll('.debug-legend')
-	      .data(debugData.length ? [0] : []);
-
-	    legend.exit()
-	      .remove();
-
-	    legend = legend.enter()
-	      .append('div')
-	      .attr('class', 'fillD debug-legend')
-	      .merge(legend);
-
-
-	    let legendItems = legend.selectAll('.debug-legend-item')
-	      .data(debugData, d => d.label);
-
-	    legendItems.exit()
-	      .remove();
-
-	    legendItems.enter()
-	      .append('span')
-	      .attr('class', d => `debug-legend-item ${d.class}`)
-	      .text(d => d.label);
-
-
-	    let layer = selection.selectAll('.layer-debug')
-	      .data(showImagery || showDownloaded ? [0] : []);
-
-	    layer.exit()
-	      .remove();
-
-	    layer = layer.enter()
-	      .append('g')
-	      .attr('class', 'layer-debug')
-	      .merge(layer);
-
-
-	    // imagery
-	    const extent = context.map().extent();
-	    _mainFileFetcher.get('imagery')
-	      .then(d => {
-	        const hits = (showImagery && d.query.bbox(extent.rectangle(), true)) || [];
-	        const features = hits.map(d => d.features[d.id]);
-
-	        let imagery = layer.selectAll('path.debug-imagery')
-	          .data(features);
-
-	        imagery.exit()
-	          .remove();
-
-	        imagery.enter()
-	          .append('path')
-	          .attr('class', 'debug-imagery debug orange');
-	      })
-	      .catch(() => { /* ignore */ });
-
-	    // downloaded
-	    const osm = context.connection();
-	    let dataDownloaded = [];
-	    if (osm && showDownloaded) {
-	      const rtree = osm.caches('get').tile.rtree;
-	      dataDownloaded = rtree.all().map(bbox => {
-	        return {
-	          type: 'Feature',
-	          properties: { id: bbox.id },
-	          geometry: {
-	            type: 'Polygon',
-	            coordinates: [[
-	              [ bbox.minX, bbox.minY ],
-	              [ bbox.minX, bbox.maxY ],
-	              [ bbox.maxX, bbox.maxY ],
-	              [ bbox.maxX, bbox.minY ],
-	              [ bbox.minX, bbox.minY ]
-	            ]]
-	          }
-	        };
-	      });
-	    }
-
-	    let downloaded = layer
-	      .selectAll('path.debug-downloaded')
-	      .data(showDownloaded ? dataDownloaded : []);
-
-	    downloaded.exit()
-	      .remove();
-
-	    downloaded.enter()
-	      .append('path')
-	      .attr('class', 'debug-downloaded debug purple');
-
-	    // update
-	    layer.selectAll('path')
-	      .attr('d', svgPath(projection).geojson);
-	  }
-
-
-	  // This looks strange because `enabled` methods on other layers are
-	  // chainable getter/setters, and this one is just a getter.
-	  drawDebug.enabled = function() {
-	    if (!arguments.length) {
-	      return context.getDebug('tile') ||
-	        context.getDebug('collision') ||
-	        context.getDebug('imagery') ||
-	        context.getDebug('target') ||
-	        context.getDebug('downloaded');
-	    } else {
-	        return this;
-	    }
-	  };
-
-
-	  return drawDebug;
-	}
-
-	let _layerEnabled = false;
-	let _qaService;
-
-	function svgKeepRight(projection, context, dispatch) {
-	  const throttledRedraw = throttle(() => dispatch.call('change'), 1000);
-	  const minZoom = 12;
-
-	  let touchLayer = select(null);
-	  let drawLayer = select(null);
-	  let layerVisible = false;
-
-	  function markerPath(selection, klass) {
-	    selection
-	      .attr('class', klass)
-	      .attr('transform', 'translate(-4, -24)')
-	      .attr('d', 'M11.6,6.2H7.1l1.4-5.1C8.6,0.6,8.1,0,7.5,0H2.2C1.7,0,1.3,0.3,1.3,0.8L0,10.2c-0.1,0.6,0.4,1.1,0.9,1.1h4.6l-1.8,7.6C3.6,19.4,4.1,20,4.7,20c0.3,0,0.6-0.2,0.8-0.5l6.9-11.9C12.7,7,12.3,6.2,11.6,6.2z');
-	  }
-
-	  // Loosely-coupled keepRight service for fetching issues.
-	  function getService() {
-	    if (services.keepRight && !_qaService) {
-	      _qaService = services.keepRight;
-	      _qaService.on('loaded', throttledRedraw);
-	    } else if (!services.keepRight && _qaService) {
-	      _qaService = null;
-	    }
-
-	    return _qaService;
-	  }
-
-	  // Show the markers
-	  function editOn() {
-	    if (!layerVisible) {
-	      layerVisible = true;
-	      drawLayer
-	        .style('display', 'block');
-	    }
-	  }
-
-	  // Immediately remove the markers and their touch targets
-	  function editOff() {
-	    if (layerVisible) {
-	      layerVisible = false;
-	      drawLayer
-	        .style('display', 'none');
-	      drawLayer.selectAll('.qaItem.keepRight')
-	        .remove();
-	      touchLayer.selectAll('.qaItem.keepRight')
-	        .remove();
-	    }
-	  }
-
-	  // Enable the layer.  This shows the markers and transitions them to visible.
-	  function layerOn() {
-	    editOn();
-
-	    drawLayer
-	      .style('opacity', 0)
-	      .transition()
-	      .duration(250)
-	      .style('opacity', 1)
-	      .on('end interrupt', () => dispatch.call('change'));
-	  }
-
-	  // Disable the layer.  This transitions the layer invisible and then hides the markers.
-	  function layerOff() {
-	    throttledRedraw.cancel();
-	    drawLayer.interrupt();
-	    touchLayer.selectAll('.qaItem.keepRight')
-	      .remove();
-
-	    drawLayer
-	      .transition()
-	      .duration(250)
-	      .style('opacity', 0)
-	      .on('end interrupt', () => {
-	        editOff();
-	        dispatch.call('change');
-	      });
-	  }
-
-	  // Update the issue markers
-	  function updateMarkers() {
-	    if (!layerVisible || !_layerEnabled) return;
-
-	    const service = getService();
-	    const selectedID = context.selectedErrorID();
-	    const data = (service ? service.getItems(projection) : []);
-	    const getTransform = svgPointTransform(projection);
-
-	    // Draw markers..
-	    const markers = drawLayer.selectAll('.qaItem.keepRight')
-	      .data(data, d => d.id);
-
-	    // exit
-	    markers.exit()
-	      .remove();
-
-	    // enter
-	    const markersEnter = markers.enter()
-	      .append('g')
-	        .attr('class', d => `qaItem ${d.service} itemId-${d.id} itemType-${d.parentIssueType}`);
-
-	    markersEnter
-	      .append('ellipse')
-	        .attr('cx', 0.5)
-	        .attr('cy', 1)
-	        .attr('rx', 6.5)
-	        .attr('ry', 3)
-	        .attr('class', 'stroke');
-
-	    markersEnter
-	      .append('path')
-	        .call(markerPath, 'shadow');
-
-	    markersEnter
-	      .append('use')
-	        .attr('class', 'qaItem-fill')
-	        .attr('width', '20px')
-	        .attr('height', '20px')
-	        .attr('x', '-8px')
-	        .attr('y', '-22px')
-	        .attr('xlink:href', '#iD-icon-bolt');
-
-	    // update
-	    markers
-	      .merge(markersEnter)
-	      .sort(sortY)
-	        .classed('selected', d => d.id === selectedID)
-	        .attr('transform', getTransform);
-
-
-	    // Draw targets..
-	    if (touchLayer.empty()) return;
-	    const fillClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-
-	    const targets = touchLayer.selectAll('.qaItem.keepRight')
-	      .data(data, d => d.id);
-
-	    // exit
-	    targets.exit()
-	      .remove();
-
-	    // enter/update
-	    targets.enter()
-	      .append('rect')
-	        .attr('width', '20px')
-	        .attr('height', '20px')
-	        .attr('x', '-8px')
-	        .attr('y', '-22px')
-	      .merge(targets)
-	      .sort(sortY)
-	        .attr('class', d => `qaItem ${d.service} target ${fillClass} itemId-${d.id}`)
-	        .attr('transform', getTransform);
-
-
-	    function sortY(a, b) {
-	      return (a.id === selectedID) ? 1
-	        : (b.id === selectedID) ? -1
-	        : (a.severity === 'error' && b.severity !== 'error') ? 1
-	        : (b.severity === 'error' && a.severity !== 'error') ? -1
-	        : b.loc[1] - a.loc[1];
-	    }
-	  }
-
-	  // Draw the keepRight layer and schedule loading issues and updating markers.
-	  function drawKeepRight(selection) {
-	    const service = getService();
-
-	    const surface = context.surface();
-	    if (surface && !surface.empty()) {
-	      touchLayer = surface.selectAll('.data-layer.touch .layer-touch.markers');
-	    }
-
-	    drawLayer = selection.selectAll('.layer-keepRight')
-	      .data(service ? [0] : []);
-
-	    drawLayer.exit()
-	      .remove();
-
-	    drawLayer = drawLayer.enter()
-	      .append('g')
-	        .attr('class', 'layer-keepRight')
-	        .style('display', _layerEnabled ? 'block' : 'none')
-	      .merge(drawLayer);
-
-	    if (_layerEnabled) {
-	      if (service && ~~context.map().zoom() >= minZoom) {
-	        editOn();
-	        service.loadIssues(projection);
-	        updateMarkers();
-	      } else {
-	        editOff();
-	      }
-	    }
-	  }
-
-	  // Toggles the layer on and off
-	  drawKeepRight.enabled = function(val) {
-	    if (!arguments.length) return _layerEnabled;
-
-	    _layerEnabled = val;
-	    if (_layerEnabled) {
-	      layerOn();
-	    } else {
-	      layerOff();
-	      if (context.selectedErrorID()) {
-	        context.enter(modeBrowse(context));
-	      }
-	    }
-
-	    dispatch.call('change');
-	    return this;
-	  };
-
-	  drawKeepRight.supported = () => !!getService();
-
-	  return drawKeepRight;
-	}
-
-	function svgGeolocate(projection) {
-	    var layer = select(null);
-	    var _position;
-
-
-	    function init() {
-	        if (svgGeolocate.initialized) return;  // run once
-	        svgGeolocate.enabled = false;
-	        svgGeolocate.initialized = true;
-	    }
-
-	    function showLayer() {
-	        layer.style('display', 'block');
-	    }
-
-
-	    function hideLayer() {
-	        layer
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 0);
-	    }
-
-	    function layerOn() {
-	        layer
-	            .style('opacity', 0)
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 1);
-
-	    }
-
-	    function layerOff() {
-	        layer.style('display', 'none');
-	    }
-
-	    function transform(d) {
-	        return svgPointTransform(projection)(d);
-	    }
-
-	    function accuracy(accuracy, loc) { // converts accuracy to pixels...
-	        var degreesRadius = geoMetersToLat(accuracy),
-	            tangentLoc = [loc[0], loc[1] + degreesRadius],
-	            projectedTangent = projection(tangentLoc),
-	            projectedLoc = projection([loc[0], loc[1]]);
-
-	        // southern most point will have higher pixel value...
-	       return Math.round(projectedLoc[1] - projectedTangent[1]).toString();
-	    }
-
-	    function update() {
-	        var geolocation = { loc: [_position.coords.longitude, _position.coords.latitude] };
-
-	        var groups = layer.selectAll('.geolocations').selectAll('.geolocation')
-	            .data([geolocation]);
-
-	        groups.exit()
-	            .remove();
-
-	        var pointsEnter = groups.enter()
-	            .append('g')
-	            .attr('class', 'geolocation');
-
-	        pointsEnter
-	            .append('circle')
-	            .attr('class', 'geolocate-radius')
-	            .attr('dx', '0')
-	            .attr('dy', '0')
-	            .attr('fill', 'rgb(15,128,225)')
-	            .attr('fill-opacity', '0.3')
-	            .attr('r', '0');
-
-	        pointsEnter
-	            .append('circle')
-	            .attr('dx', '0')
-	            .attr('dy', '0')
-	            .attr('fill', 'rgb(15,128,225)')
-	            .attr('stroke', 'white')
-	            .attr('stroke-width', '1.5')
-	            .attr('r', '6');
-
-	        groups.merge(pointsEnter)
-	            .attr('transform', transform);
-
-	        layer.select('.geolocate-radius').attr('r', accuracy(_position.coords.accuracy, geolocation.loc));
-	    }
-
-	    function drawLocation(selection) {
-	        var enabled = svgGeolocate.enabled;
-
-	        layer = selection.selectAll('.layer-geolocate')
-	            .data([0]);
-
-	        layer.exit()
-	            .remove();
-
-	        var layerEnter = layer.enter()
-	            .append('g')
-	            .attr('class', 'layer-geolocate')
-	            .style('display', enabled ? 'block' : 'none');
-
-	        layerEnter
-	            .append('g')
-	            .attr('class', 'geolocations');
-
-	        layer = layerEnter
-	            .merge(layer);
-
-	        if (enabled) {
-	            update();
-	        } else {
-	            layerOff();
-	        }
-	    }
-
-	    drawLocation.enabled = function (position, enabled) {
-	        if (!arguments.length) return svgGeolocate.enabled;
-	        _position = position;
-	        svgGeolocate.enabled = enabled;
-	        if (svgGeolocate.enabled) {
-	            showLayer();
-	            layerOn();
-	        } else {
-	            hideLayer();
-	        }
-	        return this;
-	    };
-
-	    init();
-	    return drawLocation;
-	}
-
-	function svgLabels(projection, context) {
-	    var path = d3_geoPath(projection);
-	    var detected = utilDetect();
-	    var baselineHack = (detected.ie ||
-	        detected.browser.toLowerCase() === 'edge' ||
-	        (detected.browser.toLowerCase() === 'firefox' && detected.version >= 70));
-	    var _rdrawn = new RBush();
-	    var _rskipped = new RBush();
-	    var _textWidthCache = {};
-	    var _entitybboxes = {};
-
-	    // Listed from highest to lowest priority
-	    var labelStack = [
-	        ['line', 'aeroway', '*', 12],
-	        ['line', 'highway', 'motorway', 12],
-	        ['line', 'highway', 'trunk', 12],
-	        ['line', 'highway', 'primary', 12],
-	        ['line', 'highway', 'secondary', 12],
-	        ['line', 'highway', 'tertiary', 12],
-	        ['line', 'highway', '*', 12],
-	        ['line', 'railway', '*', 12],
-	        ['line', 'waterway', '*', 12],
-	        ['area', 'aeroway', '*', 12],
-	        ['area', 'amenity', '*', 12],
-	        ['area', 'building', '*', 12],
-	        ['area', 'historic', '*', 12],
-	        ['area', 'leisure', '*', 12],
-	        ['area', 'man_made', '*', 12],
-	        ['area', 'natural', '*', 12],
-	        ['area', 'shop', '*', 12],
-	        ['area', 'tourism', '*', 12],
-	        ['area', 'camp_site', '*', 12],
-	        ['point', 'aeroway', '*', 10],
-	        ['point', 'amenity', '*', 10],
-	        ['point', 'building', '*', 10],
-	        ['point', 'historic', '*', 10],
-	        ['point', 'leisure', '*', 10],
-	        ['point', 'man_made', '*', 10],
-	        ['point', 'natural', '*', 10],
-	        ['point', 'shop', '*', 10],
-	        ['point', 'tourism', '*', 10],
-	        ['point', 'camp_site', '*', 10],
-	        ['line', 'name', '*', 12],
-	        ['area', 'name', '*', 12],
-	        ['point', 'name', '*', 10]
-	    ];
-
-
-	    function shouldSkipIcon(preset) {
-	        var noIcons = ['building', 'landuse', 'natural'];
-	        return noIcons.some(function(s) {
-	            return preset.id.indexOf(s) >= 0;
-	        });
-	    }
-
-
-	    function get(array, prop) {
-	        return function(d, i) { return array[i][prop]; };
-	    }
-
-
-	    function textWidth(text, size, elem) {
-	        var c = _textWidthCache[size];
-	        if (!c) c = _textWidthCache[size] = {};
-
-	        if (c[text]) {
-	            return c[text];
-
-	        } else if (elem) {
-	            c[text] = elem.getComputedTextLength();
-	            return c[text];
-
-	        } else {
-	            var str = encodeURIComponent(text).match(/%[CDEFcdef]/g);
-	            if (str === null) {
-	                return size / 3 * 2 * text.length;
-	            } else {
-	                return size / 3 * (2 * text.length + str.length);
-	            }
-	        }
-	    }
-
-
-	    function drawLinePaths(selection, entities, filter, classes, labels) {
-	        var paths = selection.selectAll('path')
-	            .filter(filter)
-	            .data(entities, osmEntity.key);
-
-	        // exit
-	        paths.exit()
-	            .remove();
-
-	        // enter/update
-	        paths.enter()
-	            .append('path')
-	            .style('stroke-width', get(labels, 'font-size'))
-	            .attr('id', function(d) { return 'ideditor-labelpath-' + d.id; })
-	            .attr('class', classes)
-	            .merge(paths)
-	            .attr('d', get(labels, 'lineString'));
-	    }
-
-
-	    function drawLineLabels(selection, entities, filter, classes, labels) {
-	        var texts = selection.selectAll('text.' + classes)
-	            .filter(filter)
-	            .data(entities, osmEntity.key);
-
-	        // exit
-	        texts.exit()
-	            .remove();
-
-	        // enter
-	        texts.enter()
-	            .append('text')
-	            .attr('class', function(d, i) { return classes + ' ' + labels[i].classes + ' ' + d.id; })
-	            .attr('dy', baselineHack ? '0.35em' : null)
-	            .append('textPath')
-	            .attr('class', 'textpath');
-
-	        // update
-	        selection.selectAll('text.' + classes).selectAll('.textpath')
-	            .filter(filter)
-	            .data(entities, osmEntity.key)
-	            .attr('startOffset', '50%')
-	            .attr('xlink:href', function(d) { return '#ideditor-labelpath-' + d.id; })
-	            .text(utilDisplayNameForPath);
-	    }
-
-
-	    function drawPointLabels(selection, entities, filter, classes, labels) {
-	        var texts = selection.selectAll('text.' + classes)
-	            .filter(filter)
-	            .data(entities, osmEntity.key);
-
-	        // exit
-	        texts.exit()
-	            .remove();
-
-	        // enter/update
-	        texts.enter()
-	            .append('text')
-	            .attr('class', function(d, i) {
-	                return classes + ' ' + labels[i].classes + ' ' + d.id;
-	            })
-	            .merge(texts)
-	            .attr('x', get(labels, 'x'))
-	            .attr('y', get(labels, 'y'))
-	            .style('text-anchor', get(labels, 'textAnchor'))
-	            .text(utilDisplayName)
-	            .each(function(d, i) {
-	                textWidth(utilDisplayName(d), labels[i].height, this);
-	            });
-	    }
-
-
-	    function drawAreaLabels(selection, entities, filter, classes, labels) {
-	        entities = entities.filter(hasText);
-	        labels = labels.filter(hasText);
-	        drawPointLabels(selection, entities, filter, classes, labels);
-
-	        function hasText(d, i) {
-	            return labels[i].hasOwnProperty('x') && labels[i].hasOwnProperty('y');
-	        }
-	    }
-
-
-	    function drawAreaIcons(selection, entities, filter, classes, labels) {
-	        var icons = selection.selectAll('use.' + classes)
-	            .filter(filter)
-	            .data(entities, osmEntity.key);
-
-	        // exit
-	        icons.exit()
-	            .remove();
-
-	        // enter/update
-	        icons.enter()
-	            .append('use')
-	            .attr('class', 'icon ' + classes)
-	            .attr('width', '17px')
-	            .attr('height', '17px')
-	            .merge(icons)
-	            .attr('transform', get(labels, 'transform'))
-	            .attr('xlink:href', function(d) {
-	                var preset = _mainPresetIndex.match(d, context.graph());
-	                var picon = preset && preset.icon;
-
-	                if (!picon) {
-	                    return '';
-	                } else {
-	                    var isMaki = /^maki-/.test(picon);
-	                    return '#' + picon + (isMaki ? '-15' : '');
-	                }
-	            });
-	    }
-
-
-	    function drawCollisionBoxes(selection, rtree, which) {
-	        var classes = 'debug ' + which + ' ' + (which === 'debug-skipped' ? 'orange' : 'yellow');
-
-	        var gj = [];
-	        if (context.getDebug('collision')) {
-	            gj = rtree.all().map(function(d) {
-	                return { type: 'Polygon', coordinates: [[
-	                    [d.minX, d.minY],
-	                    [d.maxX, d.minY],
-	                    [d.maxX, d.maxY],
-	                    [d.minX, d.maxY],
-	                    [d.minX, d.minY]
-	                ]]};
-	            });
-	        }
-
-	        var boxes = selection.selectAll('.' + which)
-	            .data(gj);
-
-	        // exit
-	        boxes.exit()
-	            .remove();
-
-	        // enter/update
-	        boxes.enter()
-	            .append('path')
-	            .attr('class', classes)
-	            .merge(boxes)
-	            .attr('d', d3_geoPath());
-	    }
-
-
-	    function drawLabels(selection, graph, entities, filter, dimensions, fullRedraw) {
-	        var wireframe = context.surface().classed('fill-wireframe');
-	        var zoom = geoScaleToZoom(projection.scale());
-
-	        var labelable = [];
-	        var renderNodeAs = {};
-	        var i, j, k, entity, geometry;
-
-	        for (i = 0; i < labelStack.length; i++) {
-	            labelable.push([]);
-	        }
-
-	        if (fullRedraw) {
-	            _rdrawn.clear();
-	            _rskipped.clear();
-	            _entitybboxes = {};
-
-	        } else {
-	            for (i = 0; i < entities.length; i++) {
-	                entity = entities[i];
-	                var toRemove = []
-	                    .concat(_entitybboxes[entity.id] || [])
-	                    .concat(_entitybboxes[entity.id + 'I'] || []);
-
-	                for (j = 0; j < toRemove.length; j++) {
-	                    _rdrawn.remove(toRemove[j]);
-	                    _rskipped.remove(toRemove[j]);
-	                }
-	            }
-	        }
-
-	        // Loop through all the entities to do some preprocessing
-	        for (i = 0; i < entities.length; i++) {
-	            entity = entities[i];
-	            geometry = entity.geometry(graph);
-
-	            // Insert collision boxes around interesting points/vertices
-	            if (geometry === 'point' || (geometry === 'vertex' && isInterestingVertex(entity))) {
-	                var hasDirections = entity.directions(graph, projection).length;
-	                var markerPadding;
-
-	                if (!wireframe && geometry === 'point' && !(zoom >= 18 && hasDirections)) {
-	                    renderNodeAs[entity.id] = 'point';
-	                    markerPadding = 20;   // extra y for marker height
-	                } else {
-	                    renderNodeAs[entity.id] = 'vertex';
-	                    markerPadding = 0;
-	                }
-
-	                var coord = projection(entity.loc);
-	                var nodePadding = 10;
-	                var bbox = {
-	                    minX: coord[0] - nodePadding,
-	                    minY: coord[1] - nodePadding - markerPadding,
-	                    maxX: coord[0] + nodePadding,
-	                    maxY: coord[1] + nodePadding
-	                };
-
-	                doInsert(bbox, entity.id + 'P');
-	            }
-
-	            // From here on, treat vertices like points
-	            if (geometry === 'vertex') {
-	                geometry = 'point';
-	            }
-
-	            // Determine which entities are label-able
-	            var preset = geometry === 'area' && _mainPresetIndex.match(entity, graph);
-	            var icon = preset && !shouldSkipIcon(preset) && preset.icon;
-
-	            if (!icon && !utilDisplayName(entity))
-	                continue;
-
-	            for (k = 0; k < labelStack.length; k++) {
-	                var matchGeom = labelStack[k][0];
-	                var matchKey = labelStack[k][1];
-	                var matchVal = labelStack[k][2];
-	                var hasVal = entity.tags[matchKey];
-
-	                if (geometry === matchGeom && hasVal && (matchVal === '*' || matchVal === hasVal)) {
-	                    labelable[k].push(entity);
-	                    break;
-	                }
-	            }
-	        }
-
-	        var positions = {
-	            point: [],
-	            line: [],
-	            area: []
-	        };
-
-	        var labelled = {
-	            point: [],
-	            line: [],
-	            area: []
-	        };
-
-	        // Try and find a valid label for labellable entities
-	        for (k = 0; k < labelable.length; k++) {
-	            var fontSize = labelStack[k][3];
-
-	            for (i = 0; i < labelable[k].length; i++) {
-	                entity = labelable[k][i];
-	                geometry = entity.geometry(graph);
-
-	                var getName = (geometry === 'line') ? utilDisplayNameForPath : utilDisplayName;
-	                var name = getName(entity);
-	                var width = name && textWidth(name, fontSize);
-	                var p = null;
-
-	                if (geometry === 'point' || geometry === 'vertex') {
-	                    // no point or vertex labels in wireframe mode
-	                    // no vertex labels at low zooms (vertices have no icons)
-	                    if (wireframe) continue;
-	                    var renderAs = renderNodeAs[entity.id];
-	                    if (renderAs === 'vertex' && zoom < 17) continue;
-
-	                    p = getPointLabel(entity, width, fontSize, renderAs);
-
-	                } else if (geometry === 'line') {
-	                    p = getLineLabel(entity, width, fontSize);
-
-	                } else if (geometry === 'area') {
-	                    p = getAreaLabel(entity, width, fontSize);
-	                }
-
-	                if (p) {
-	                    if (geometry === 'vertex') { geometry = 'point'; }  // treat vertex like point
-	                    p.classes = geometry + ' tag-' + labelStack[k][1];
-	                    positions[geometry].push(p);
-	                    labelled[geometry].push(entity);
-	                }
-	            }
-	        }
-
-
-	        function isInterestingVertex(entity) {
-	            var selectedIDs = context.selectedIDs();
-
-	            return entity.hasInterestingTags() ||
-	                entity.isEndpoint(graph) ||
-	                entity.isConnected(graph) ||
-	                selectedIDs.indexOf(entity.id) !== -1 ||
-	                graph.parentWays(entity).some(function(parent) {
-	                    return selectedIDs.indexOf(parent.id) !== -1;
-	                });
-	        }
-
-
-	        function getPointLabel(entity, width, height, geometry) {
-	            var y = (geometry === 'point' ? -12 : 0);
-	            var pointOffsets = {
-	                ltr: [15, y, 'start'],
-	                rtl: [-15, y, 'end']
-	            };
-
-	            var textDirection = _mainLocalizer.textDirection();
-
-	            var coord = projection(entity.loc);
-	            var textPadding = 2;
-	            var offset = pointOffsets[textDirection];
-	            var p = {
-	                height: height,
-	                width: width,
-	                x: coord[0] + offset[0],
-	                y: coord[1] + offset[1],
-	                textAnchor: offset[2]
-	            };
-
-	            // insert a collision box for the text label..
-	            var bbox;
-	            if (textDirection === 'rtl') {
-	                bbox = {
-	                    minX: p.x - width - textPadding,
-	                    minY: p.y - (height / 2) - textPadding,
-	                    maxX: p.x + textPadding,
-	                    maxY: p.y + (height / 2) + textPadding
-	                };
-	            } else {
-	                bbox = {
-	                    minX: p.x - textPadding,
-	                    minY: p.y - (height / 2) - textPadding,
-	                    maxX: p.x + width + textPadding,
-	                    maxY: p.y + (height / 2) + textPadding
-	                };
-	            }
-
-	            if (tryInsert([bbox], entity.id, true)) {
-	                return p;
-	            }
-	        }
-
-
-	        function getLineLabel(entity, width, height) {
-	            var viewport = geoExtent(context.projection.clipExtent()).polygon();
-	            var points = graph.childNodes(entity)
-	                .map(function(node) { return projection(node.loc); });
-	            var length = geoPathLength(points);
-
-	            if (length < width + 20) return;
-
-	            // % along the line to attempt to place the label
-	            var lineOffsets = [50, 45, 55, 40, 60, 35, 65, 30, 70,
-	                               25, 75, 20, 80, 15, 95, 10, 90, 5, 95];
-	            var padding = 3;
-
-	            for (var i = 0; i < lineOffsets.length; i++) {
-	                var offset = lineOffsets[i];
-	                var middle = offset / 100 * length;
-	                var start = middle - width / 2;
-
-	                if (start < 0 || start + width > length) continue;
-
-	                // generate subpath and ignore paths that are invalid or don't cross viewport.
-	                var sub = subpath(points, start, start + width);
-	                if (!sub || !geoPolygonIntersectsPolygon(viewport, sub, true)) {
-	                    continue;
-	                }
-
-	                var isReverse = reverse(sub);
-	                if (isReverse) {
-	                    sub = sub.reverse();
-	                }
-
-	                var bboxes = [];
-	                var boxsize = (height + 2) / 2;
-
-	                for (var j = 0; j < sub.length - 1; j++) {
-	                    var a = sub[j];
-	                    var b = sub[j + 1];
-
-	                    // split up the text into small collision boxes
-	                    var num = Math.max(1, Math.floor(geoVecLength(a, b) / boxsize / 2));
-
-	                    for (var box = 0; box < num; box++) {
-	                        var p = geoVecInterp(a, b, box / num);
-	                        var x0 = p[0] - boxsize - padding;
-	                        var y0 = p[1] - boxsize - padding;
-	                        var x1 = p[0] + boxsize + padding;
-	                        var y1 = p[1] + boxsize + padding;
-
-	                        bboxes.push({
-	                            minX: Math.min(x0, x1),
-	                            minY: Math.min(y0, y1),
-	                            maxX: Math.max(x0, x1),
-	                            maxY: Math.max(y0, y1)
-	                        });
-	                    }
-	                }
-
-	                if (tryInsert(bboxes, entity.id, false)) {   // accept this one
-	                    return {
-	                        'font-size': height + 2,
-	                        lineString: lineString(sub),
-	                        startOffset: offset + '%'
-	                    };
-	                }
-	            }
-
-	            function reverse(p) {
-	                var angle = Math.atan2(p[1][1] - p[0][1], p[1][0] - p[0][0]);
-	                return !(p[0][0] < p[p.length - 1][0] && angle < Math.PI/2 && angle > -Math.PI/2);
-	            }
-
-	            function lineString(points) {
-	                return 'M' + points.join('L');
-	            }
-
-	            function subpath(points, from, to) {
-	                var sofar = 0;
-	                var start, end, i0, i1;
-
-	                for (var i = 0; i < points.length - 1; i++) {
-	                    var a = points[i];
-	                    var b = points[i + 1];
-	                    var current = geoVecLength(a, b);
-	                    var portion;
-	                    if (!start && sofar + current >= from) {
-	                        portion = (from - sofar) / current;
-	                        start = [
-	                            a[0] + portion * (b[0] - a[0]),
-	                            a[1] + portion * (b[1] - a[1])
-	                        ];
-	                        i0 = i + 1;
-	                    }
-	                    if (!end && sofar + current >= to) {
-	                        portion = (to - sofar) / current;
-	                        end = [
-	                            a[0] + portion * (b[0] - a[0]),
-	                            a[1] + portion * (b[1] - a[1])
-	                        ];
-	                        i1 = i + 1;
-	                    }
-	                    sofar += current;
-	                }
-
-	                var result = points.slice(i0, i1);
-	                result.unshift(start);
-	                result.push(end);
-	                return result;
-	            }
-	        }
-
-
-	        function getAreaLabel(entity, width, height) {
-	            var centroid = path.centroid(entity.asGeoJSON(graph, true));
-	            var extent = entity.extent(graph);
-	            var areaWidth = projection(extent[1])[0] - projection(extent[0])[0];
-
-	            if (isNaN(centroid[0]) || areaWidth < 20) return;
-
-	            var preset = _mainPresetIndex.match(entity, context.graph());
-	            var picon = preset && preset.icon;
-	            var iconSize = 17;
-	            var padding = 2;
-	            var p = {};
-
-	            if (picon) {  // icon and label..
-	                if (addIcon()) {
-	                    addLabel(iconSize + padding);
-	                    return p;
-	                }
-	            } else {   // label only..
-	                if (addLabel(0)) {
-	                    return p;
-	                }
-	            }
-
-
-	            function addIcon() {
-	                var iconX = centroid[0] - (iconSize / 2);
-	                var iconY = centroid[1] - (iconSize / 2);
-	                var bbox = {
-	                    minX: iconX,
-	                    minY: iconY,
-	                    maxX: iconX + iconSize,
-	                    maxY: iconY + iconSize
-	                };
-
-	                if (tryInsert([bbox], entity.id + 'I', true)) {
-	                    p.transform = 'translate(' + iconX + ',' + iconY + ')';
-	                    return true;
-	                }
-	                return false;
-	            }
-
-	            function addLabel(yOffset) {
-	                if (width && areaWidth >= width + 20) {
-	                    var labelX = centroid[0];
-	                    var labelY = centroid[1] + yOffset;
-	                    var bbox = {
-	                        minX: labelX - (width / 2) - padding,
-	                        minY: labelY - (height / 2) - padding,
-	                        maxX: labelX + (width / 2) + padding,
-	                        maxY: labelY + (height / 2) + padding
-	                    };
-
-	                    if (tryInsert([bbox], entity.id, true)) {
-	                        p.x = labelX;
-	                        p.y = labelY;
-	                        p.textAnchor = 'middle';
-	                        p.height = height;
-	                        return true;
-	                    }
-	                }
-	                return false;
-	            }
-	        }
-
-
-	        // force insert a singular bounding box
-	        // singular box only, no array, id better be unique
-	        function doInsert(bbox, id) {
-	            bbox.id = id;
-
-	            var oldbox = _entitybboxes[id];
-	            if (oldbox) {
-	                _rdrawn.remove(oldbox);
-	            }
-	            _entitybboxes[id] = bbox;
-	            _rdrawn.insert(bbox);
-	        }
-
-
-	        function tryInsert(bboxes, id, saveSkipped) {
-	            var skipped = false;
-
-	            for (var i = 0; i < bboxes.length; i++) {
-	                var bbox = bboxes[i];
-	                bbox.id = id;
-
-	                // Check that label is visible
-	                if (bbox.minX < 0 || bbox.minY < 0 || bbox.maxX > dimensions[0] || bbox.maxY > dimensions[1]) {
-	                    skipped = true;
-	                    break;
-	                }
-	                if (_rdrawn.collides(bbox)) {
-	                    skipped = true;
-	                    break;
-	                }
-	            }
-
-	            _entitybboxes[id] = bboxes;
-
-	            if (skipped) {
-	                if (saveSkipped) {
-	                    _rskipped.load(bboxes);
-	                }
-	            } else {
-	                _rdrawn.load(bboxes);
-	            }
-
-	            return !skipped;
-	        }
-
-
-	        var layer = selection.selectAll('.layer-osm.labels');
-	        layer.selectAll('.labels-group')
-	            .data(['halo', 'label', 'debug'])
-	            .enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'labels-group ' + d; });
-
-	        var halo = layer.selectAll('.labels-group.halo');
-	        var label = layer.selectAll('.labels-group.label');
-	        var debug = layer.selectAll('.labels-group.debug');
-
-	        // points
-	        drawPointLabels(label, labelled.point, filter, 'pointlabel', positions.point);
-	        drawPointLabels(halo, labelled.point, filter, 'pointlabel-halo', positions.point);
-
-	        // lines
-	        drawLinePaths(layer, labelled.line, filter, '', positions.line);
-	        drawLineLabels(label, labelled.line, filter, 'linelabel', positions.line);
-	        drawLineLabels(halo, labelled.line, filter, 'linelabel-halo', positions.line);
-
-	        // areas
-	        drawAreaLabels(label, labelled.area, filter, 'arealabel', positions.area);
-	        drawAreaLabels(halo, labelled.area, filter, 'arealabel-halo', positions.area);
-	        drawAreaIcons(label, labelled.area, filter, 'areaicon', positions.area);
-	        drawAreaIcons(halo, labelled.area, filter, 'areaicon-halo', positions.area);
-
-	        // debug
-	        drawCollisionBoxes(debug, _rskipped, 'debug-skipped');
-	        drawCollisionBoxes(debug, _rdrawn, 'debug-drawn');
-
-	        layer.call(filterLabels);
-	    }
-
-
-	    function filterLabels(selection) {
-	        var drawLayer = selection.selectAll('.layer-osm.labels');
-	        var layers = drawLayer.selectAll('.labels-group.halo, .labels-group.label');
-
-	        layers.selectAll('.nolabel')
-	            .classed('nolabel', false);
-
-	        var mouse = context.map().mouse();
-	        var graph = context.graph();
-	        var selectedIDs = context.selectedIDs();
-	        var ids = [];
-	        var pad, bbox;
-
-	        // hide labels near the mouse
-	        if (mouse) {
-	            pad = 20;
-	            bbox = { minX: mouse[0] - pad, minY: mouse[1] - pad, maxX: mouse[0] + pad, maxY: mouse[1] + pad };
-	            var nearMouse = _rdrawn.search(bbox).map(function(entity) { return entity.id; });
-	            ids.push.apply(ids, nearMouse);
-	        }
-
-	        // hide labels on selected nodes (they look weird when dragging / haloed)
-	        for (var i = 0; i < selectedIDs.length; i++) {
-	            var entity = graph.hasEntity(selectedIDs[i]);
-	            if (entity && entity.type === 'node') {
-	                ids.push(selectedIDs[i]);
-	            }
-	        }
-
-	        layers.selectAll(utilEntitySelector(ids))
-	            .classed('nolabel', true);
-
-
-	        // draw the mouse bbox if debugging is on..
-	        var debug = selection.selectAll('.labels-group.debug');
-	        var gj = [];
-	        if (context.getDebug('collision')) {
-	            gj = bbox ? [{
-	                type: 'Polygon',
-	                coordinates: [[
-	                    [bbox.minX, bbox.minY],
-	                    [bbox.maxX, bbox.minY],
-	                    [bbox.maxX, bbox.maxY],
-	                    [bbox.minX, bbox.maxY],
-	                    [bbox.minX, bbox.minY]
-	                ]]
-	            }] : [];
-	        }
-
-	        var box = debug.selectAll('.debug-mouse')
-	            .data(gj);
-
-	        // exit
-	        box.exit()
-	            .remove();
-
-	        // enter/update
-	        box.enter()
-	            .append('path')
-	            .attr('class', 'debug debug-mouse yellow')
-	            .merge(box)
-	            .attr('d', d3_geoPath());
-	    }
-
-
-	    var throttleFilterLabels = throttle(filterLabels, 100);
-
-
-	    drawLabels.observe = function(selection) {
-	        var listener = function() { throttleFilterLabels(selection); };
-	        selection.on('mousemove.hidelabels', listener);
-	        context.on('enter.hidelabels', listener);
-	    };
-
-
-	    drawLabels.off = function(selection) {
-	        throttleFilterLabels.cancel();
-	        selection.on('mousemove.hidelabels', null);
-	        context.on('enter.hidelabels', null);
-	    };
-
-
-	    return drawLabels;
-	}
-
-	let _layerEnabled$1 = false;
-	let _qaService$1;
-
-	function svgImproveOSM(projection, context, dispatch) {
-	  const throttledRedraw = throttle(() => dispatch.call('change'), 1000);
-	  const minZoom = 12;
-
-	  let touchLayer = select(null);
-	  let drawLayer = select(null);
-	  let layerVisible = false;
-
-	  function markerPath(selection, klass) {
-	    selection
-	      .attr('class', klass)
-	      .attr('transform', 'translate(-10, -28)')
-	      .attr('points', '16,3 4,3 1,6 1,17 4,20 7,20 10,27 13,20 16,20 19,17.033 19,6');
-	  }
-
-	  // Loosely-coupled improveOSM service for fetching issues
-	  function getService() {
-	    if (services.improveOSM && !_qaService$1) {
-	      _qaService$1 = services.improveOSM;
-	      _qaService$1.on('loaded', throttledRedraw);
-	    } else if (!services.improveOSM && _qaService$1) {
-	      _qaService$1 = null;
-	    }
-
-	    return _qaService$1;
-	  }
-
-	  // Show the markers
-	  function editOn() {
-	    if (!layerVisible) {
-	      layerVisible = true;
-	      drawLayer
-	        .style('display', 'block');
-	    }
-	  }
-
-	  // Immediately remove the markers and their touch targets
-	  function editOff() {
-	    if (layerVisible) {
-	      layerVisible = false;
-	      drawLayer
-	        .style('display', 'none');
-	      drawLayer.selectAll('.qaItem.improveOSM')
-	        .remove();
-	      touchLayer.selectAll('.qaItem.improveOSM')
-	        .remove();
-	    }
-	  }
-
-	  // Enable the layer.  This shows the markers and transitions them to visible.
-	  function layerOn() {
-	    editOn();
-
-	    drawLayer
-	      .style('opacity', 0)
-	      .transition()
-	      .duration(250)
-	      .style('opacity', 1)
-	      .on('end interrupt', () => dispatch.call('change'));
-	  }
-
-	  // Disable the layer.  This transitions the layer invisible and then hides the markers.
-	  function layerOff() {
-	    throttledRedraw.cancel();
-	    drawLayer.interrupt();
-	    touchLayer.selectAll('.qaItem.improveOSM')
-	      .remove();
-
-	    drawLayer
-	      .transition()
-	      .duration(250)
-	      .style('opacity', 0)
-	      .on('end interrupt', () => {
-	        editOff();
-	        dispatch.call('change');
-	      });
-	  }
-
-	  // Update the issue markers
-	  function updateMarkers() {
-	    if (!layerVisible || !_layerEnabled$1) return;
-
-	    const service = getService();
-	    const selectedID = context.selectedErrorID();
-	    const data = (service ? service.getItems(projection) : []);
-	    const getTransform = svgPointTransform(projection);
-
-	    // Draw markers..
-	    const markers = drawLayer.selectAll('.qaItem.improveOSM')
-	      .data(data, d => d.id);
-
-	    // exit
-	    markers.exit()
-	      .remove();
-
-	    // enter
-	    const markersEnter = markers.enter()
-	      .append('g')
-	        .attr('class', d => `qaItem ${d.service} itemId-${d.id} itemType-${d.itemType}`);
-
-	    markersEnter
-	      .append('polygon')
-	        .call(markerPath, 'shadow');
-
-	    markersEnter
-	      .append('ellipse')
-	        .attr('cx', 0)
-	        .attr('cy', 0)
-	        .attr('rx', 4.5)
-	        .attr('ry', 2)
-	        .attr('class', 'stroke');
-
-	    markersEnter
-	      .append('polygon')
-	        .attr('fill', 'currentColor')
-	        .call(markerPath, 'qaItem-fill');
-
-	    markersEnter
-	      .append('use')
-	        .attr('transform', 'translate(-6.5, -23)')
-	        .attr('class', 'icon-annotation')
-	        .attr('width', '13px')
-	        .attr('height', '13px')
-	        .attr('xlink:href', d => {
-	          const picon = d.icon;
-
-	          if (!picon) {
-	          return '';
-	          } else {
-	          const isMaki = /^maki-/.test(picon);
-	          return `#${picon}${isMaki ? '-11' : ''}`;
-	          }
-	        });
-
-	    // update
-	    markers
-	      .merge(markersEnter)
-	      .sort(sortY)
-	        .classed('selected', d => d.id === selectedID)
-	        .attr('transform', getTransform);
-
-
-	    // Draw targets..
-	    if (touchLayer.empty()) return;
-	    const fillClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-
-	    const targets = touchLayer.selectAll('.qaItem.improveOSM')
-	      .data(data, d => d.id);
-
-	    // exit
-	    targets.exit()
-	      .remove();
-
-	    // enter/update
-	    targets.enter()
-	      .append('rect')
-	        .attr('width', '20px')
-	        .attr('height', '30px')
-	        .attr('x', '-10px')
-	        .attr('y', '-28px')
-	      .merge(targets)
-	      .sort(sortY)
-	        .attr('class', d => `qaItem ${d.service} target ${fillClass} itemId-${d.id}`)
-	        .attr('transform', getTransform);
-
-	    function sortY(a, b) {
-	      return (a.id === selectedID) ? 1
-	        : (b.id === selectedID) ? -1
-	        : b.loc[1] - a.loc[1];
-	    }
-	  }
-
-	  // Draw the ImproveOSM layer and schedule loading issues and updating markers.
-	  function drawImproveOSM(selection) {
-	    const service = getService();
-
-	    const surface = context.surface();
-	    if (surface && !surface.empty()) {
-	      touchLayer = surface.selectAll('.data-layer.touch .layer-touch.markers');
-	    }
-
-	    drawLayer = selection.selectAll('.layer-improveOSM')
-	      .data(service ? [0] : []);
-
-	    drawLayer.exit()
-	      .remove();
-
-	    drawLayer = drawLayer.enter()
-	      .append('g')
-	        .attr('class', 'layer-improveOSM')
-	        .style('display', _layerEnabled$1 ? 'block' : 'none')
-	      .merge(drawLayer);
-
-	    if (_layerEnabled$1) {
-	      if (service && ~~context.map().zoom() >= minZoom) {
-	        editOn();
-	        service.loadIssues(projection);
-	        updateMarkers();
-	      } else {
-	        editOff();
-	      }
-	    }
-	  }
-
-	  // Toggles the layer on and off
-	  drawImproveOSM.enabled = function(val) {
-	    if (!arguments.length) return _layerEnabled$1;
-
-	    _layerEnabled$1 = val;
-	    if (_layerEnabled$1) {
-	      layerOn();
-	    } else {
-	      layerOff();
-	      if (context.selectedErrorID()) {
-	        context.enter(modeBrowse(context));
-	      }
-	    }
-
-	    dispatch.call('change');
-	    return this;
-	  };
-
-	  drawImproveOSM.supported = () => !!getService();
-
-	  return drawImproveOSM;
-	}
-
-	let _layerEnabled$2 = false;
-	let _qaService$2;
-
-	function svgOsmose(projection, context, dispatch) {
-	  const throttledRedraw = throttle(() => dispatch.call('change'), 1000);
-	  const minZoom = 12;
-
-	  let touchLayer = select(null);
-	  let drawLayer = select(null);
-	  let layerVisible = false;
-
-	  function markerPath(selection, klass) {
-	    selection
-	      .attr('class', klass)
-	      .attr('transform', 'translate(-10, -28)')
-	      .attr('points', '16,3 4,3 1,6 1,17 4,20 7,20 10,27 13,20 16,20 19,17.033 19,6');
-	  }
-
-	  // Loosely-coupled osmose service for fetching issues
-	  function getService() {
-	    if (services.osmose && !_qaService$2) {
-	      _qaService$2 = services.osmose;
-	      _qaService$2.on('loaded', throttledRedraw);
-	    } else if (!services.osmose && _qaService$2) {
-	      _qaService$2 = null;
-	    }
-
-	    return _qaService$2;
-	  }
-
-	  // Show the markers
-	  function editOn() {
-	    if (!layerVisible) {
-	      layerVisible = true;
-	      drawLayer
-	        .style('display', 'block');
-	    }
-	  }
-
-	  // Immediately remove the markers and their touch targets
-	  function editOff() {
-	    if (layerVisible) {
-	      layerVisible = false;
-	      drawLayer
-	        .style('display', 'none');
-	      drawLayer.selectAll('.qaItem.osmose')
-	        .remove();
-	      touchLayer.selectAll('.qaItem.osmose')
-	        .remove();
-	    }
-	  }
-
-	  // Enable the layer.  This shows the markers and transitions them to visible.
-	  function layerOn() {
-	    editOn();
-
-	    drawLayer
-	      .style('opacity', 0)
-	      .transition()
-	      .duration(250)
-	      .style('opacity', 1)
-	      .on('end interrupt', () => dispatch.call('change'));
-	  }
-
-	  // Disable the layer.  This transitions the layer invisible and then hides the markers.
-	  function layerOff() {
-	    throttledRedraw.cancel();
-	    drawLayer.interrupt();
-	    touchLayer.selectAll('.qaItem.osmose')
-	      .remove();
-
-	    drawLayer
-	      .transition()
-	      .duration(250)
-	      .style('opacity', 0)
-	      .on('end interrupt', () => {
-	        editOff();
-	        dispatch.call('change');
-	      });
-	  }
-
-	  // Update the issue markers
-	  function updateMarkers() {
-	    if (!layerVisible || !_layerEnabled$2) return;
-
-	    const service = getService();
-	    const selectedID = context.selectedErrorID();
-	    const data = (service ? service.getItems(projection) : []);
-	    const getTransform = svgPointTransform(projection);
-
-	    // Draw markers..
-	    const markers = drawLayer.selectAll('.qaItem.osmose')
-	      .data(data, d => d.id);
-
-	    // exit
-	    markers.exit()
-	      .remove();
-
-	    // enter
-	    const markersEnter = markers.enter()
-	      .append('g')
-	        .attr('class', d => `qaItem ${d.service} itemId-${d.id} itemType-${d.itemType}`);
-
-	    markersEnter
-	      .append('polygon')
-	        .call(markerPath, 'shadow');
-
-	    markersEnter
-	      .append('ellipse')
-	        .attr('cx', 0)
-	        .attr('cy', 0)
-	        .attr('rx', 4.5)
-	        .attr('ry', 2)
-	        .attr('class', 'stroke');
-
-	    markersEnter
-	      .append('polygon')
-	        .attr('fill', d => service.getColor(d.item))
-	        .call(markerPath, 'qaItem-fill');
-
-	    markersEnter
-	      .append('use')
-	        .attr('transform', 'translate(-6.5, -23)')
-	        .attr('class', 'icon-annotation')
-	        .attr('width', '13px')
-	        .attr('height', '13px')
-	        .attr('xlink:href', d => {
-	          const picon = d.icon;
-
-	          if (!picon) {
-	            return '';
-	          } else {
-	            const isMaki = /^maki-/.test(picon);
-	            return `#${picon}${isMaki ? '-11' : ''}`;
-	          }
-	        });
-
-	    // update
-	    markers
-	      .merge(markersEnter)
-	      .sort(sortY)
-	        .classed('selected', d => d.id === selectedID)
-	        .attr('transform', getTransform);
-
-	    // Draw targets..
-	    if (touchLayer.empty()) return;
-	    const fillClass = context.getDebug('target') ? 'pink' : 'nocolor';
-
-	    const targets = touchLayer.selectAll('.qaItem.osmose')
-	      .data(data, d => d.id);
-
-	    // exit
-	    targets.exit()
-	      .remove();
-
-	    // enter/update
-	    targets.enter()
-	      .append('rect')
-	        .attr('width', '20px')
-	        .attr('height', '30px')
-	        .attr('x', '-10px')
-	        .attr('y', '-28px')
-	      .merge(targets)
-	      .sort(sortY)
-	        .attr('class', d => `qaItem ${d.service} target ${fillClass} itemId-${d.id}`)
-	        .attr('transform', getTransform);
-
-	    function sortY(a, b) {
-	      return (a.id === selectedID) ? 1
-	        : (b.id === selectedID) ? -1
-	        : b.loc[1] - a.loc[1];
-	    }
-	  }
-
-	  // Draw the Osmose layer and schedule loading issues and updating markers.
-	  function drawOsmose(selection) {
-	    const service = getService();
-
-	    const surface = context.surface();
-	    if (surface && !surface.empty()) {
-	      touchLayer = surface.selectAll('.data-layer.touch .layer-touch.markers');
-	    }
-
-	    drawLayer = selection.selectAll('.layer-osmose')
-	      .data(service ? [0] : []);
-
-	    drawLayer.exit()
-	      .remove();
-
-	    drawLayer = drawLayer.enter()
-	      .append('g')
-	        .attr('class', 'layer-osmose')
-	        .style('display', _layerEnabled$2 ? 'block' : 'none')
-	      .merge(drawLayer);
-
-	    if (_layerEnabled$2) {
-	      if (service && ~~context.map().zoom() >= minZoom) {
-	        editOn();
-	        service.loadIssues(projection);
-	        updateMarkers();
-	      } else {
-	        editOff();
-	      }
-	    }
-	  }
-
-	  // Toggles the layer on and off
-	  drawOsmose.enabled = function(val) {
-	    if (!arguments.length) return _layerEnabled$2;
-
-	    _layerEnabled$2 = val;
-	    if (_layerEnabled$2) {
-	      // Strings supplied by Osmose fetched before showing layer for first time
-	      // NOTE: Currently no way to change locale in iD at runtime, would need to re-call this method if that's ever implemented
-	      // Also, If layer is toggled quickly multiple requests are sent
-	      getService().loadStrings()
-	        .then(layerOn)
-	        .catch(err => {
-	          console.log(err); // eslint-disable-line no-console
-	        });
-	    } else {
-	      layerOff();
-	      if (context.selectedErrorID()) {
-	        context.enter(modeBrowse(context));
-	      }
-	    }
-
-	    dispatch.call('change');
-	    return this;
-	  };
-
-	  drawOsmose.supported = () => !!getService();
-
-	  return drawOsmose;
-	}
-
-	function svgStreetside(projection, context, dispatch) {
-	    var throttledRedraw = throttle(function () { dispatch.call('change'); }, 1000);
-	    var minZoom = 14;
-	    var minMarkerZoom = 16;
-	    var minViewfieldZoom = 18;
-	    var layer = select(null);
-	    var _viewerYaw = 0;
-	    var _selectedSequence = null;
-	    var _streetside;
-
-	    /**
-	     * init().
-	     */
-	    function init() {
-	        if (svgStreetside.initialized) return;  // run once
-	        svgStreetside.enabled = false;
-	        svgStreetside.initialized = true;
-	    }
-
-	    /**
-	     * getService().
-	     */
-	    function getService() {
-	        if (services.streetside && !_streetside) {
-	            _streetside = services.streetside;
-	            _streetside.event
-	                .on('viewerChanged.svgStreetside', viewerChanged)
-	                .on('loadedBubbles.svgStreetside', throttledRedraw);
-	        } else if (!services.streetside && _streetside) {
-	            _streetside = null;
-	        }
-
-	        return _streetside;
-	    }
-
-	    /**
-	     * showLayer().
-	     */
-	    function showLayer() {
-	        var service = getService();
-	        if (!service) return;
-
-	        editOn();
-
-	        layer
-	            .style('opacity', 0)
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 1)
-	            .on('end', function () { dispatch.call('change'); });
-	    }
-
-	    /**
-	     * hideLayer().
-	     */
-	    function hideLayer() {
-	        throttledRedraw.cancel();
-
-	        layer
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 0)
-	            .on('end', editOff);
-	    }
-
-	    /**
-	     * editOn().
-	     */
-	    function editOn() {
-	        layer.style('display', 'block');
-	    }
-
-	    /**
-	     * editOff().
-	     */
-	    function editOff() {
-	        layer.selectAll('.viewfield-group').remove();
-	        layer.style('display', 'none');
-	    }
-
-	    /**
-	     * click() Handles 'bubble' point click event.
-	     */
-	    function click(d) {
-	        var service = getService();
-	        if (!service) return;
-
-	        // try to preserve the viewer rotation when staying on the same sequence
-	        if (d.sequenceKey !== _selectedSequence) {
-	            _viewerYaw = 0;  // reset
-	        }
-	        _selectedSequence = d.sequenceKey;
-
-	        service
-	            .selectImage(context, d)
-	            .then(response => {
-	                if (response.status === 'ok'){
-	                    service.showViewer(context, _viewerYaw);
-	                }
-	            });
-
-
-	        context.map().centerEase(d.loc);
-	    }
-
-	    /**
-	     * mouseover().
-	     */
-	    function mouseover(d) {
-	        var service = getService();
-	        if (service) service.setStyles(context, d);
-	    }
-
-	    /**
-	     * mouseout().
-	     */
-	    function mouseout() {
-	        var service = getService();
-	        if (service) service.setStyles(context, null);
-	    }
-
-	    /**
-	     * transform().
-	     */
-	    function transform(d) {
-	        var t = svgPointTransform(projection)(d);
-	        var rot = d.ca + _viewerYaw;
-	        if (rot) {
-	            t += ' rotate(' + Math.floor(rot) + ',0,0)';
-	        }
-	        return t;
-	    }
-
-
-	    function viewerChanged() {
-	        var service = getService();
-	        if (!service) return;
-
-	        var viewer = service.viewer();
-	        if (!viewer) return;
-
-	        // update viewfield rotation
-	        _viewerYaw = viewer.getYaw();
-
-	        // avoid updating if the map is currently transformed
-	        // e.g. during drags or easing.
-	        if (context.map().isTransformed()) return;
-
-	        layer.selectAll('.viewfield-group.currentView')
-	            .attr('transform', transform);
-	    }
-
-
-	    context.photos().on('change.streetside', update);
-
-	    /**
-	     * update().
-	     */
-	    function update() {
-	        var viewer = context.container().select('.photoviewer');
-	        var selected = viewer.empty() ? undefined : viewer.datum();
-	        var z = ~~context.map().zoom();
-	        var showMarkers = (z >= minMarkerZoom);
-	        var showViewfields = (z >= minViewfieldZoom);
-	        var service = getService();
-
-	        var sequences = [];
-	        var bubbles = [];
-
-	        if (context.photos().showsPanoramic()) {
-	            sequences = (service ? service.sequences(projection) : []);
-	            bubbles = (service && showMarkers ? service.bubbles(projection) : []);
-	        }
-
-	        var traces = layer.selectAll('.sequences').selectAll('.sequence')
-	            .data(sequences, function(d) { return d.properties.key; });
-
-	        // exit
-	        traces.exit()
-	            .remove();
-
-	        // enter/update
-	        traces = traces.enter()
-	            .append('path')
-	            .attr('class', 'sequence')
-	            .merge(traces)
-	            .attr('d', svgPath(projection).geojson);
-
-
-	        var groups = layer.selectAll('.markers').selectAll('.viewfield-group')
-	            .data(bubbles, function(d) {
-	                // force reenter once bubbles are attached to a sequence
-	                return d.key + (d.sequenceKey ? 'v1' : 'v0');
-	            });
-
-	        // exit
-	        groups.exit()
-	            .remove();
-
-	        // enter
-	        var groupsEnter = groups.enter()
-	            .append('g')
-	            .attr('class', 'viewfield-group')
-	            .on('mouseenter', mouseover)
-	            .on('mouseleave', mouseout)
-	            .on('click', click);
-
-	        groupsEnter
-	            .append('g')
-	            .attr('class', 'viewfield-scale');
-
-	        // update
-	        var markers = groups
-	            .merge(groupsEnter)
-	            .sort(function(a, b) {
-	                return (a === selected) ? 1
-	                    : (b === selected) ? -1
-	                    : b.loc[1] - a.loc[1];
-	            })
-	            .attr('transform', transform)
-	            .select('.viewfield-scale');
-
-
-	        markers.selectAll('circle')
-	            .data([0])
-	            .enter()
-	            .append('circle')
-	            .attr('dx', '0')
-	            .attr('dy', '0')
-	            .attr('r', '6');
-
-	        var viewfields = markers.selectAll('.viewfield')
-	            .data(showViewfields ? [0] : []);
-
-	        viewfields.exit()
-	            .remove();
-
-	        // viewfields may or may not be drawn...
-	        // but if they are, draw below the circles
-	        viewfields.enter()
-	            .insert('path', 'circle')
-	            .attr('class', 'viewfield')
-	            .attr('transform', 'scale(1.5,1.5),translate(-8, -13)')
-	            .attr('d', viewfieldPath);
-
-	        function viewfieldPath() {
-	            var d = this.parentNode.__data__;
-	            if (d.pano) {
-	                return 'M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0';
-	            } else {
-	                return 'M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z';
-	            }
-	        }
-
-	    }
-
-	    /**
-	     * drawImages()
-	     * drawImages is the method that is returned (and that runs) everytime 'svgStreetside()' is called.
-	     * 'svgStreetside()' is called from index.js
-	     */
-	    function drawImages(selection) {
-	        var enabled = svgStreetside.enabled;
-	        var service = getService();
-
-	        layer = selection.selectAll('.layer-streetside-images')
-	            .data(service ? [0] : []);
-
-	        layer.exit()
-	            .remove();
-
-	        var layerEnter = layer.enter()
-	            .append('g')
-	            .attr('class', 'layer-streetside-images')
-	            .style('display', enabled ? 'block' : 'none');
-
-	        layerEnter
-	            .append('g')
-	            .attr('class', 'sequences');
-
-	        layerEnter
-	            .append('g')
-	            .attr('class', 'markers');
-
-	        layer = layerEnter
-	            .merge(layer);
-
-	        if (enabled) {
-	            if (service && ~~context.map().zoom() >= minZoom) {
-	                editOn();
-	                update();
-	                service.loadBubbles(projection);
-	            } else {
-	                editOff();
-	            }
-	        }
-	    }
-
-
-	    /**
-	     * drawImages.enabled().
-	     */
-	    drawImages.enabled = function(_) {
-	        if (!arguments.length) return svgStreetside.enabled;
-	        svgStreetside.enabled = _;
-	        if (svgStreetside.enabled) {
-	            showLayer();
-	        } else {
-	            hideLayer();
-	        }
-	        dispatch.call('change');
-	        return this;
-	    };
-
-	    /**
-	     * drawImages.supported().
-	     */
-	    drawImages.supported = function() {
-	        return !!getService();
-	    };
-
-	    init();
-
-	    return drawImages;
-	}
-
-	function svgMapillaryImages(projection, context, dispatch) {
-	    var throttledRedraw = throttle(function () { dispatch.call('change'); }, 1000);
-	    var minZoom = 12;
-	    var minMarkerZoom = 16;
-	    var minViewfieldZoom = 18;
-	    var layer = select(null);
-	    var _mapillary;
-	    var viewerCompassAngle;
-
-
-	    function init() {
-	        if (svgMapillaryImages.initialized) return;  // run once
-	        svgMapillaryImages.enabled = false;
-	        svgMapillaryImages.initialized = true;
-	    }
-
-
-	    function getService() {
-	        if (services.mapillary && !_mapillary) {
-	            _mapillary = services.mapillary;
-	            _mapillary.event.on('loadedImages', throttledRedraw);
-	            _mapillary.event.on('bearingChanged', function(e) {
-	                viewerCompassAngle = e;
-
-	                // avoid updating if the map is currently transformed
-	                // e.g. during drags or easing.
-	                if (context.map().isTransformed()) return;
-
-	                layer.selectAll('.viewfield-group.currentView')
-	                    .filter(function(d) {
-	                        return d.pano;
-	                    })
-	                    .attr('transform', transform);
-	            });
-	        } else if (!services.mapillary && _mapillary) {
-	            _mapillary = null;
-	        }
-
-	        return _mapillary;
-	    }
-
-
-	    function showLayer() {
-	        var service = getService();
-	        if (!service) return;
-
-	        editOn();
-
-	        layer
-	            .style('opacity', 0)
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 1)
-	            .on('end', function () { dispatch.call('change'); });
-	    }
-
-
-	    function hideLayer() {
-	        throttledRedraw.cancel();
-
-	        layer
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 0)
-	            .on('end', editOff);
-	    }
-
-
-	    function editOn() {
-	        layer.style('display', 'block');
-	    }
-
-
-	    function editOff() {
-	        layer.selectAll('.viewfield-group').remove();
-	        layer.style('display', 'none');
-	    }
-
-
-	    function click(d) {
-	        var service = getService();
-	        if (!service) return;
-
-	        service
-	            .selectImage(context, d.key)
-	            .updateViewer(context, d.key)
-	            .showViewer(context);
-
-	        context.map().centerEase(d.loc);
-	    }
-
-
-	    function mouseover(d) {
-	        var service = getService();
-	        if (service) service.setStyles(context, d);
-	    }
-
-
-	    function mouseout() {
-	        var service = getService();
-	        if (service) service.setStyles(context, null);
-	    }
-
-
-	    function transform(d) {
-	        var t = svgPointTransform(projection)(d);
-	        if (d.pano && viewerCompassAngle !== null && isFinite(viewerCompassAngle)) {
-	            t += ' rotate(' + Math.floor(viewerCompassAngle) + ',0,0)';
-	        } else if (d.ca) {
-	            t += ' rotate(' + Math.floor(d.ca) + ',0,0)';
-	        }
-	        return t;
-	    }
-
-	    context.photos().on('change.mapillary_images', update);
-
-	    function filterImages(images) {
-	        var showsPano = context.photos().showsPanoramic();
-	        var showsFlat = context.photos().showsFlat();
-	        if (!showsPano || !showsFlat) {
-	            images = images.filter(function(image) {
-	                if (image.pano) return showsPano;
-	                return showsFlat;
-	            });
-	        }
-	        return images;
-	    }
-
-	    function filterSequences(sequences, service) {
-	        var showsPano = context.photos().showsPanoramic();
-	        var showsFlat = context.photos().showsFlat();
-	        if (!showsPano || !showsFlat) {
-	            sequences = sequences.filter(function(sequence) {
-	                if (sequence.properties.hasOwnProperty('pano')) {
-	                    if (sequence.properties.pano) return showsPano;
-	                    return showsFlat;
-	                } else {
-	                    // if the sequence doesn't specify pano or not, search its images
-	                    var cProps = sequence.properties.coordinateProperties;
-	                    if (cProps && cProps.image_keys && cProps.image_keys.length > 0) {
-	                        for (var index in cProps.image_keys) {
-	                            var imageKey = cProps.image_keys[index];
-	                            var image = service.cachedImage(imageKey);
-	                            if (image && image.hasOwnProperty('pano')) {
-	                                if (image.pano) return showsPano;
-	                                return showsFlat;
-	                            }
-	                        }
-	                    }
-	                }
-	            });
-	        }
-	        return sequences;
-	    }
-
-	    function update() {
-
-	        var z = ~~context.map().zoom();
-	        var showMarkers = (z >= minMarkerZoom);
-	        var showViewfields = (z >= minViewfieldZoom);
-
-	        var service = getService();
-	        var selectedKey = service && service.getSelectedImageKey();
-	        var sequences = (service ? service.sequences(projection) : []);
-	        var images = (service && showMarkers ? service.images(projection) : []);
-
-	        images = filterImages(images);
-	        sequences = filterSequences(sequences, service);
-
-	        var traces = layer.selectAll('.sequences').selectAll('.sequence')
-	            .data(sequences, function(d) { return d.properties.key; });
-
-	        // exit
-	        traces.exit()
-	            .remove();
-
-	        // enter/update
-	        traces = traces.enter()
-	            .append('path')
-	            .attr('class', 'sequence')
-	            .merge(traces)
-	            .attr('d', svgPath(projection).geojson);
-
-
-	        var groups = layer.selectAll('.markers').selectAll('.viewfield-group')
-	            .data(images, function(d) { return d.key; });
-
-	        // exit
-	        groups.exit()
-	            .remove();
-
-	        // enter
-	        var groupsEnter = groups.enter()
-	            .append('g')
-	            .attr('class', 'viewfield-group')
-	            .on('mouseenter', mouseover)
-	            .on('mouseleave', mouseout)
-	            .on('click', click);
-
-	        groupsEnter
-	            .append('g')
-	            .attr('class', 'viewfield-scale');
-
-	        // update
-	        var markers = groups
-	            .merge(groupsEnter)
-	            .sort(function(a, b) {
-	                return (a.key === selectedKey) ? 1
-	                    : (b.key === selectedKey) ? -1
-	                    : b.loc[1] - a.loc[1];  // sort Y
-	            })
-	            .attr('transform', transform)
-	            .select('.viewfield-scale');
-
-
-	        markers.selectAll('circle')
-	            .data([0])
-	            .enter()
-	            .append('circle')
-	            .attr('dx', '0')
-	            .attr('dy', '0')
-	            .attr('r', '6');
-
-	        var viewfields = markers.selectAll('.viewfield')
-	            .data(showViewfields ? [0] : []);
-
-	        viewfields.exit()
-	            .remove();
-
-	        viewfields.enter()               // viewfields may or may not be drawn...
-	            .insert('path', 'circle')    // but if they are, draw below the circles
-	            .attr('class', 'viewfield')
-	            .classed('pano', function() { return this.parentNode.__data__.pano; })
-	            .attr('transform', 'scale(1.5,1.5),translate(-8, -13)')
-	            .attr('d', viewfieldPath);
-
-	        function viewfieldPath() {
-	            var d = this.parentNode.__data__;
-	            if (d.pano) {
-	                return 'M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0';
-	            } else {
-	                return 'M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z';
-	            }
-	        }
-	    }
-
-
-	    function drawImages(selection) {
-	        var enabled = svgMapillaryImages.enabled;
-	        var service = getService();
-
-	        layer = selection.selectAll('.layer-mapillary')
-	            .data(service ? [0] : []);
-
-	        layer.exit()
-	            .remove();
-
-	        var layerEnter = layer.enter()
-	            .append('g')
-	            .attr('class', 'layer-mapillary')
-	            .style('display', enabled ? 'block' : 'none');
-
-	        layerEnter
-	            .append('g')
-	            .attr('class', 'sequences');
-
-	        layerEnter
-	            .append('g')
-	            .attr('class', 'markers');
-
-	        layer = layerEnter
-	            .merge(layer);
-
-	        if (enabled) {
-	            if (service && ~~context.map().zoom() >= minZoom) {
-	                editOn();
-	                update();
-	                service.loadImages(projection);
-	            } else {
-	                editOff();
-	            }
-	        }
-	    }
-
-
-	    drawImages.enabled = function(_) {
-	        if (!arguments.length) return svgMapillaryImages.enabled;
-	        svgMapillaryImages.enabled = _;
-	        if (svgMapillaryImages.enabled) {
-	            showLayer();
-	        } else {
-	            hideLayer();
-	        }
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    drawImages.supported = function() {
-	        return !!getService();
-	    };
-
-
-	    init();
-	    return drawImages;
-	}
-
-	function svgMapillarySigns(projection, context, dispatch) {
-	    var throttledRedraw = throttle(function () { dispatch.call('change'); }, 1000);
-	    var minZoom = 12;
-	    var layer = select(null);
-	    var _mapillary;
-
-
-	    function init() {
-	        if (svgMapillarySigns.initialized) return;  // run once
-	        svgMapillarySigns.enabled = false;
-	        svgMapillarySigns.initialized = true;
-	    }
-
-
-	    function getService() {
-	        if (services.mapillary && !_mapillary) {
-	            _mapillary = services.mapillary;
-	            _mapillary.event.on('loadedSigns', throttledRedraw);
-	        } else if (!services.mapillary && _mapillary) {
-	            _mapillary = null;
-	        }
-	        return _mapillary;
-	    }
-
-
-	    function showLayer() {
-	        var service = getService();
-	        if (!service) return;
-
-	        editOn();
-	    }
-
-
-	    function hideLayer() {
-	        throttledRedraw.cancel();
-	        editOff();
-	    }
-
-
-	    function editOn() {
-	        layer.style('display', 'block');
-	    }
-
-
-	    function editOff() {
-	        layer.selectAll('.icon-sign').remove();
-	        layer.style('display', 'none');
-	    }
-
-
-	    function click(d) {
-	        var service = getService();
-	        if (!service) return;
-
-	        context.map().centerEase(d.loc);
-
-	        var selectedImageKey = service.getSelectedImageKey();
-	        var imageKey;
-
-	        // Pick one of the images the sign was detected in,
-	        // preference given to an image already selected.
-	        d.detections.forEach(function(detection) {
-	            if (!imageKey || selectedImageKey === detection.image_key) {
-	                imageKey = detection.image_key;
-	            }
-	        });
-
-	        service
-	            .selectImage(context, imageKey)
-	            .updateViewer(context, imageKey)
-	            .showViewer(context);
-	    }
-
-
-	    function update() {
-	        var service = getService();
-	        var data = (service ? service.signs(projection) : []);
-	        var selectedImageKey = service.getSelectedImageKey();
-	        var transform = svgPointTransform(projection);
-
-	        var signs = layer.selectAll('.icon-sign')
-	            .data(data, function(d) { return d.key; });
-
-	        // exit
-	        signs.exit()
-	            .remove();
-
-	        // enter
-	        var enter = signs.enter()
-	            .append('g')
-	            .attr('class', 'icon-sign icon-detected')
-	            .on('click', click);
-
-	        enter
-	            .append('use')
-	            .attr('width', '24px')
-	            .attr('height', '24px')
-	            .attr('x', '-12px')
-	            .attr('y', '-12px')
-	            .attr('xlink:href', function(d) { return '#' + d.value; });
-
-	        enter
-	            .append('rect')
-	            .attr('width', '24px')
-	            .attr('height', '24px')
-	            .attr('x', '-12px')
-	            .attr('y', '-12px');
-
-	        // update
-	        signs
-	            .merge(enter)
-	            .attr('transform', transform)
-	            .classed('currentView', function(d) {
-	                return d.detections.some(function(detection) {
-	                    return detection.image_key === selectedImageKey;
-	                });
-	            })
-	            .sort(function(a, b) {
-	                var aSelected = a.detections.some(function(detection) {
-	                    return detection.image_key === selectedImageKey;
-	                });
-	                var bSelected = b.detections.some(function(detection) {
-	                    return detection.image_key === selectedImageKey;
-	                });
-	                if (aSelected === bSelected) {
-	                    return b.loc[1] - a.loc[1]; // sort Y
-	                } else if (aSelected) {
-	                    return 1;
-	                }
-	                return -1;
-	            });
-	    }
-
-
-	    function drawSigns(selection) {
-	        var enabled = svgMapillarySigns.enabled;
-	        var service = getService();
-
-	        layer = selection.selectAll('.layer-mapillary-signs')
-	            .data(service ? [0] : []);
-
-	        layer.exit()
-	            .remove();
-
-	        layer = layer.enter()
-	            .append('g')
-	            .attr('class', 'layer-mapillary-signs layer-mapillary-detections')
-	            .style('display', enabled ? 'block' : 'none')
-	            .merge(layer);
-
-	        if (enabled) {
-	            if (service && ~~context.map().zoom() >= minZoom) {
-	                editOn();
-	                update();
-	                service.loadSigns(projection);
-	            } else {
-	                editOff();
-	            }
-	        }
-	    }
-
-
-	    drawSigns.enabled = function(_) {
-	        if (!arguments.length) return svgMapillarySigns.enabled;
-	        svgMapillarySigns.enabled = _;
-	        if (svgMapillarySigns.enabled) {
-	            showLayer();
-	        } else {
-	            hideLayer();
-	        }
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    drawSigns.supported = function() {
-	        return !!getService();
-	    };
-
-
-	    init();
-	    return drawSigns;
-	}
-
-	function svgMapillaryMapFeatures(projection, context, dispatch) {
-	    var throttledRedraw = throttle(function () { dispatch.call('change'); }, 1000);
-	    var minZoom = 12;
-	    var layer = select(null);
-	    var _mapillary;
-
-
-	    function init() {
-	        if (svgMapillaryMapFeatures.initialized) return;  // run once
-	        svgMapillaryMapFeatures.enabled = false;
-	        svgMapillaryMapFeatures.initialized = true;
-	    }
-
-
-	    function getService() {
-	        if (services.mapillary && !_mapillary) {
-	            _mapillary = services.mapillary;
-	            _mapillary.event.on('loadedMapFeatures', throttledRedraw);
-	        } else if (!services.mapillary && _mapillary) {
-	            _mapillary = null;
-	        }
-	        return _mapillary;
-	    }
-
-
-	    function showLayer() {
-	        var service = getService();
-	        if (!service) return;
-
-	        editOn();
-	    }
-
-
-	    function hideLayer() {
-	        throttledRedraw.cancel();
-	        editOff();
-	    }
-
-
-	    function editOn() {
-	        layer.style('display', 'block');
-	    }
-
-
-	    function editOff() {
-	        layer.selectAll('.icon-map-feature').remove();
-	        layer.style('display', 'none');
-	    }
-
-
-	    function click(d) {
-	        var service = getService();
-	        if (!service) return;
-
-	        context.map().centerEase(d.loc);
-
-	        var selectedImageKey = service.getSelectedImageKey();
-	        var imageKey;
-
-	        // Pick one of the images the map feature was detected in,
-	        // preference given to an image already selected.
-	        d.detections.forEach(function(detection) {
-	            if (!imageKey || selectedImageKey === detection.image_key) {
-	                imageKey = detection.image_key;
-	            }
-	        });
-
-	        service
-	            .selectImage(context, imageKey)
-	            .updateViewer(context, imageKey)
-	            .showViewer(context);
-	    }
-
-
-	    function update() {
-	        var service = getService();
-	        var data = (service ? service.mapFeatures(projection) : []);
-	        var selectedImageKey = service && service.getSelectedImageKey();
-	        var transform = svgPointTransform(projection);
-
-	        var mapFeatures = layer.selectAll('.icon-map-feature')
-	            .data(data, function(d) { return d.key; });
-
-	        // exit
-	        mapFeatures.exit()
-	            .remove();
-
-	        // enter
-	        var enter = mapFeatures.enter()
-	            .append('g')
-	            .attr('class', 'icon-map-feature icon-detected')
-	            .on('click', click);
-
-	        enter
-	            .append('title')
-	            .text(function(d) {
-	                var id = d.value.replace(/--/g, '.').replace(/-/g, '_');
-	                return _t('mapillary_map_features.' + id);
-	            });
-
-	        enter
-	            .append('use')
-	            .attr('width', '24px')
-	            .attr('height', '24px')
-	            .attr('x', '-12px')
-	            .attr('y', '-12px')
-	            .attr('xlink:href', function(d) {
-	                if (d.value === 'object--billboard') {
-	                    // no billboard icon right now, so use the advertisement icon
-	                    return '#object--sign--advertisement';
-	                }
-	                return '#' + d.value;
-	            });
-
-	        enter
-	            .append('rect')
-	            .attr('width', '24px')
-	            .attr('height', '24px')
-	            .attr('x', '-12px')
-	            .attr('y', '-12px');
-
-	        // update
-	        mapFeatures
-	            .merge(enter)
-	            .attr('transform', transform)
-	            .classed('currentView', function(d) {
-	                return d.detections.some(function(detection) {
-	                    return detection.image_key === selectedImageKey;
-	                });
-	            })
-	            .sort(function(a, b) {
-	                var aSelected = a.detections.some(function(detection) {
-	                    return detection.image_key === selectedImageKey;
-	                });
-	                var bSelected = b.detections.some(function(detection) {
-	                    return detection.image_key === selectedImageKey;
-	                });
-	                if (aSelected === bSelected) {
-	                    return b.loc[1] - a.loc[1]; // sort Y
-	                } else if (aSelected) {
-	                    return 1;
-	                }
-	                return -1;
-	            });
-	    }
-
-
-	    function drawMapFeatures(selection) {
-	        var enabled = svgMapillaryMapFeatures.enabled;
-	        var service = getService();
-
-	        layer = selection.selectAll('.layer-mapillary-map-features')
-	            .data(service ? [0] : []);
-
-	        layer.exit()
-	            .remove();
-
-	        layer = layer.enter()
-	            .append('g')
-	            .attr('class', 'layer-mapillary-map-features layer-mapillary-detections')
-	            .style('display', enabled ? 'block' : 'none')
-	            .merge(layer);
-
-	        if (enabled) {
-	            if (service && ~~context.map().zoom() >= minZoom) {
-	                editOn();
-	                update();
-	                service.loadMapFeatures(projection);
-	            } else {
-	                editOff();
-	            }
-	        }
-	    }
-
-
-	    drawMapFeatures.enabled = function(_) {
-	        if (!arguments.length) return svgMapillaryMapFeatures.enabled;
-	        svgMapillaryMapFeatures.enabled = _;
-	        if (svgMapillaryMapFeatures.enabled) {
-	            showLayer();
-	        } else {
-	            hideLayer();
-	        }
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    drawMapFeatures.supported = function() {
-	        return !!getService();
-	    };
-
-
-	    init();
-	    return drawMapFeatures;
-	}
-
-	function svgOpenstreetcamImages(projection, context, dispatch) {
-	    var throttledRedraw = throttle(function () { dispatch.call('change'); }, 1000);
-	    var minZoom = 12;
-	    var minMarkerZoom = 16;
-	    var minViewfieldZoom = 18;
-	    var layer = select(null);
-	    var _openstreetcam;
-
-
-	    function init() {
-	        if (svgOpenstreetcamImages.initialized) return;  // run once
-	        svgOpenstreetcamImages.enabled = false;
-	        svgOpenstreetcamImages.initialized = true;
-	    }
-
-
-	    function getService() {
-	        if (services.openstreetcam && !_openstreetcam) {
-	            _openstreetcam = services.openstreetcam;
-	            _openstreetcam.event.on('loadedImages', throttledRedraw);
-	        } else if (!services.openstreetcam && _openstreetcam) {
-	            _openstreetcam = null;
-	        }
-
-	        return _openstreetcam;
-	    }
-
-
-	    function showLayer() {
-	        var service = getService();
-	        if (!service) return;
-
-	        editOn();
-
-	        layer
-	            .style('opacity', 0)
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 1)
-	            .on('end', function () { dispatch.call('change'); });
-	    }
-
-
-	    function hideLayer() {
-	        throttledRedraw.cancel();
-
-	        layer
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 0)
-	            .on('end', editOff);
-	    }
-
-
-	    function editOn() {
-	        layer.style('display', 'block');
-	    }
-
-
-	    function editOff() {
-	        layer.selectAll('.viewfield-group').remove();
-	        layer.style('display', 'none');
-	    }
-
-
-	    function click(d) {
-	        var service = getService();
-	        if (!service) return;
-
-	        service
-	            .selectImage(context, d)
-	            .updateViewer(context, d)
-	            .showViewer(context);
-
-	        context.map().centerEase(d.loc);
-	    }
-
-
-	    function mouseover(d) {
-	        var service = getService();
-	        if (service) service.setStyles(context, d);
-	    }
-
-
-	    function mouseout() {
-	        var service = getService();
-	        if (service) service.setStyles(context, null);
-	    }
-
-
-	    function transform(d) {
-	        var t = svgPointTransform(projection)(d);
-	        if (d.ca) {
-	            t += ' rotate(' + Math.floor(d.ca) + ',0,0)';
-	        }
-	        return t;
-	    }
-
-
-	    context.photos().on('change.openstreetcam_images', update);
-
-	    function update() {
-	        var viewer = context.container().select('.photoviewer');
-	        var selected = viewer.empty() ? undefined : viewer.datum();
-
-	        var z = ~~context.map().zoom();
-	        var showMarkers = (z >= minMarkerZoom);
-	        var showViewfields = (z >= minViewfieldZoom);
-
-	        var service = getService();
-	        var sequences = [];
-	        var images = [];
-
-	        if (context.photos().showsFlat()) {
-	            sequences = (service ? service.sequences(projection) : []);
-	            images = (service && showMarkers ? service.images(projection) : []);
-	        }
-
-	        var traces = layer.selectAll('.sequences').selectAll('.sequence')
-	            .data(sequences, function(d) { return d.properties.key; });
-
-	        // exit
-	        traces.exit()
-	            .remove();
-
-	        // enter/update
-	        traces = traces.enter()
-	            .append('path')
-	            .attr('class', 'sequence')
-	            .merge(traces)
-	            .attr('d', svgPath(projection).geojson);
-
-
-	        var groups = layer.selectAll('.markers').selectAll('.viewfield-group')
-	            .data(images, function(d) { return d.key; });
-
-	        // exit
-	        groups.exit()
-	            .remove();
-
-	        // enter
-	        var groupsEnter = groups.enter()
-	            .append('g')
-	            .attr('class', 'viewfield-group')
-	            .on('mouseenter', mouseover)
-	            .on('mouseleave', mouseout)
-	            .on('click', click);
-
-	        groupsEnter
-	            .append('g')
-	            .attr('class', 'viewfield-scale');
-
-	        // update
-	        var markers = groups
-	            .merge(groupsEnter)
-	            .sort(function(a, b) {
-	                return (a === selected) ? 1
-	                    : (b === selected) ? -1
-	                    : b.loc[1] - a.loc[1];  // sort Y
-	            })
-	            .attr('transform', transform)
-	            .select('.viewfield-scale');
-
-
-	        markers.selectAll('circle')
-	            .data([0])
-	            .enter()
-	            .append('circle')
-	            .attr('dx', '0')
-	            .attr('dy', '0')
-	            .attr('r', '6');
-
-	        var viewfields = markers.selectAll('.viewfield')
-	            .data(showViewfields ? [0] : []);
-
-	        viewfields.exit()
-	            .remove();
-
-	        viewfields.enter()               // viewfields may or may not be drawn...
-	            .insert('path', 'circle')    // but if they are, draw below the circles
-	            .attr('class', 'viewfield')
-	            .attr('transform', 'scale(1.5,1.5),translate(-8, -13)')
-	            .attr('d', 'M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z');
-	    }
-
-
-	    function drawImages(selection) {
-	        var enabled = svgOpenstreetcamImages.enabled,
-	            service = getService();
-
-	        layer = selection.selectAll('.layer-openstreetcam')
-	            .data(service ? [0] : []);
-
-	        layer.exit()
-	            .remove();
-
-	        var layerEnter = layer.enter()
-	            .append('g')
-	            .attr('class', 'layer-openstreetcam')
-	            .style('display', enabled ? 'block' : 'none');
-
-	        layerEnter
-	            .append('g')
-	            .attr('class', 'sequences');
-
-	        layerEnter
-	            .append('g')
-	            .attr('class', 'markers');
-
-	        layer = layerEnter
-	            .merge(layer);
-
-	        if (enabled) {
-	            if (service && ~~context.map().zoom() >= minZoom) {
-	                editOn();
-	                update();
-	                service.loadImages(projection);
-	            } else {
-	                editOff();
-	            }
-	        }
-	    }
-
-
-	    drawImages.enabled = function(_) {
-	        if (!arguments.length) return svgOpenstreetcamImages.enabled;
-	        svgOpenstreetcamImages.enabled = _;
-	        if (svgOpenstreetcamImages.enabled) {
-	            showLayer();
-	        } else {
-	            hideLayer();
-	        }
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    drawImages.supported = function() {
-	        return !!getService();
-	    };
-
-
-	    init();
-	    return drawImages;
-	}
-
-	function svgOsm(projection, context, dispatch) {
-	    var enabled = true;
-
-
-	    function drawOsm(selection) {
-	        selection.selectAll('.layer-osm')
-	            .data(['covered', 'areas', 'lines', 'points', 'labels'])
-	            .enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'layer-osm ' + d; });
-
-	        selection.selectAll('.layer-osm.points').selectAll('.points-group')
-	            .data(['points', 'midpoints', 'vertices', 'turns'])
-	            .enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'points-group ' + d; });
-	    }
-
-
-	    function showLayer() {
-	        var layer = context.surface().selectAll('.data-layer.osm');
-	        layer.interrupt();
-
-	        layer
-	            .classed('disabled', false)
-	            .style('opacity', 0)
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 1)
-	            .on('end interrupt', function () {
-	                dispatch.call('change');
-	            });
-	    }
-
-
-	    function hideLayer() {
-	        var layer = context.surface().selectAll('.data-layer.osm');
-	        layer.interrupt();
-
-	        layer
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 0)
-	            .on('end interrupt', function () {
-	                layer.classed('disabled', true);
-	                dispatch.call('change');
-	            });
-	    }
-
-
-	    drawOsm.enabled = function(val) {
-	        if (!arguments.length) return enabled;
-	        enabled = val;
-
-	        if (enabled) {
-	            showLayer();
-	        } else {
-	            hideLayer();
-	        }
-
-	        dispatch.call('change');
-	        return this;
-	    };
-
-
-	    return drawOsm;
-	}
-
-	var _notesEnabled = false;
-	var _osmService;
-
-
-	function svgNotes(projection, context, dispatch$1) {
-	    if (!dispatch$1) { dispatch$1 = dispatch('change'); }
-	    var throttledRedraw = throttle(function () { dispatch$1.call('change'); }, 1000);
-	    var minZoom = 12;
-	    var touchLayer = select(null);
-	    var drawLayer = select(null);
-	    var _notesVisible = false;
-
-
-	    function markerPath(selection, klass) {
-	        selection
-	            .attr('class', klass)
-	            .attr('transform', 'translate(-8, -22)')
-	            .attr('d', 'm17.5,0l-15,0c-1.37,0 -2.5,1.12 -2.5,2.5l0,11.25c0,1.37 1.12,2.5 2.5,2.5l3.75,0l0,3.28c0,0.38 0.43,0.6 0.75,0.37l4.87,-3.65l5.62,0c1.37,0 2.5,-1.12 2.5,-2.5l0,-11.25c0,-1.37 -1.12,-2.5 -2.5,-2.5z');
-	    }
-
-
-	    // Loosely-coupled osm service for fetching notes.
-	    function getService() {
-	        if (services.osm && !_osmService) {
-	            _osmService = services.osm;
-	            _osmService.on('loadedNotes', throttledRedraw);
-	        } else if (!services.osm && _osmService) {
-	            _osmService = null;
-	        }
-
-	        return _osmService;
-	    }
-
-
-	    // Show the notes
-	    function editOn() {
-	        if (!_notesVisible) {
-	            _notesVisible = true;
-	            drawLayer
-	                .style('display', 'block');
-	        }
-	    }
-
-
-	    // Immediately remove the notes and their touch targets
-	    function editOff() {
-	        if (_notesVisible) {
-	            _notesVisible = false;
-	            drawLayer
-	                .style('display', 'none');
-	            drawLayer.selectAll('.note')
-	                .remove();
-	            touchLayer.selectAll('.note')
-	                .remove();
-	        }
-	    }
-
-
-	    // Enable the layer.  This shows the notes and transitions them to visible.
-	    function layerOn() {
-	        editOn();
-
-	        drawLayer
-	            .style('opacity', 0)
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 1)
-	            .on('end interrupt', function () {
-	                dispatch$1.call('change');
-	            });
-	    }
-
-
-	    // Disable the layer.  This transitions the layer invisible and then hides the notes.
-	    function layerOff() {
-	        throttledRedraw.cancel();
-	        drawLayer.interrupt();
-	        touchLayer.selectAll('.note')
-	            .remove();
-
-	        drawLayer
-	            .transition()
-	            .duration(250)
-	            .style('opacity', 0)
-	            .on('end interrupt', function () {
-	                editOff();
-	                dispatch$1.call('change');
-	            });
-	    }
-
-
-	    // Update the note markers
-	    function updateMarkers() {
-	        if (!_notesVisible || !_notesEnabled) return;
-
-	        var service = getService();
-	        var selectedID = context.selectedNoteID();
-	        var data = (service ? service.notes(projection) : []);
-	        var getTransform = svgPointTransform(projection);
-
-	        // Draw markers..
-	        var notes = drawLayer.selectAll('.note')
-	            .data(data, function(d) { return d.status + d.id; });
-
-	        // exit
-	        notes.exit()
-	            .remove();
-
-	        // enter
-	        var notesEnter = notes.enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'note note-' + d.id + ' ' + d.status; })
-	            .classed('new', function(d) { return d.id < 0; });
-
-	        notesEnter
-	            .append('ellipse')
-	            .attr('cx', 0.5)
-	            .attr('cy', 1)
-	            .attr('rx', 6.5)
-	            .attr('ry', 3)
-	            .attr('class', 'stroke');
-
-	        notesEnter
-	            .append('path')
-	            .call(markerPath, 'shadow');
-
-	        notesEnter
-	            .append('use')
-	            .attr('class', 'note-fill')
-	            .attr('width', '20px')
-	            .attr('height', '20px')
-	            .attr('x', '-8px')
-	            .attr('y', '-22px')
-	            .attr('xlink:href', '#iD-icon-note');
-
-	        notesEnter.selectAll('.icon-annotation')
-	            .data(function(d) { return [d]; })
-	            .enter()
-	            .append('use')
-	            .attr('class', 'icon-annotation')
-	            .attr('width', '10px')
-	            .attr('height', '10px')
-	            .attr('x', '-3px')
-	            .attr('y', '-19px')
-	            .attr('xlink:href', function(d) {
-	                return '#iD-icon-' + (d.id < 0 ? 'plus' : (d.status === 'open' ? 'close' : 'apply'));
-	            });
-
-	        // update
-	        notes
-	            .merge(notesEnter)
-	            .sort(sortY)
-	            .classed('selected', function(d) {
-	                var mode = context.mode();
-	                var isMoving = mode && mode.id === 'drag-note';  // no shadows when dragging
-	                return !isMoving && d.id === selectedID;
-	            })
-	            .attr('transform', getTransform);
-
-
-	        // Draw targets..
-	        if (touchLayer.empty()) return;
-	        var fillClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-
-	        var targets = touchLayer.selectAll('.note')
-	            .data(data, function(d) { return d.id; });
-
-	        // exit
-	        targets.exit()
-	            .remove();
-
-	        // enter/update
-	        targets.enter()
-	            .append('rect')
-	            .attr('width', '20px')
-	            .attr('height', '20px')
-	            .attr('x', '-8px')
-	            .attr('y', '-22px')
-	            .merge(targets)
-	            .sort(sortY)
-	            .attr('class', function(d) {
-	                var newClass = (d.id < 0 ? 'new' : '');
-	                return 'note target note-' + d.id + ' ' + fillClass + newClass;
-	            })
-	            .attr('transform', getTransform);
-
-
-	        function sortY(a, b) {
-	            return (a.id === selectedID) ? 1 : (b.id === selectedID) ? -1 : b.loc[1] - a.loc[1];
-	        }
-	    }
-
-
-	    // Draw the notes layer and schedule loading notes and updating markers.
-	    function drawNotes(selection) {
-	        var service = getService();
-
-	        var surface = context.surface();
-	        if (surface && !surface.empty()) {
-	            touchLayer = surface.selectAll('.data-layer.touch .layer-touch.markers');
-	        }
-
-	        drawLayer = selection.selectAll('.layer-notes')
-	            .data(service ? [0] : []);
-
-	        drawLayer.exit()
-	            .remove();
-
-	        drawLayer = drawLayer.enter()
-	            .append('g')
-	            .attr('class', 'layer-notes')
-	            .style('display', _notesEnabled ? 'block' : 'none')
-	            .merge(drawLayer);
-
-	        if (_notesEnabled) {
-	            if (service && ~~context.map().zoom() >= minZoom) {
-	                editOn();
-	                service.loadNotes(projection);
-	                updateMarkers();
-	            } else {
-	                editOff();
-	            }
-	        }
-	    }
-
-
-	    // Toggles the layer on and off
-	    drawNotes.enabled = function(val) {
-	        if (!arguments.length) return _notesEnabled;
-
-	        _notesEnabled = val;
-	        if (_notesEnabled) {
-	            layerOn();
-	        } else {
-	            layerOff();
-	            if (context.selectedNoteID()) {
-	                context.enter(modeBrowse(context));
-	            }
-	        }
-
-	        dispatch$1.call('change');
-	        return this;
-	    };
-
-
-	    return drawNotes;
-	}
-
-	function svgTouch() {
-
-	    function drawTouch(selection) {
-	        selection.selectAll('.layer-touch')
-	            .data(['areas', 'lines', 'points', 'turns', 'markers'])
-	            .enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'layer-touch ' + d; });
-	    }
-
-	    return drawTouch;
-	}
-
-	function refresh(selection, node) {
-	    var cr = node.getBoundingClientRect();
-	    var prop = [cr.width, cr.height];
-	    selection.property('__dimensions__', prop);
-	    return prop;
-	}
-
-	function utilGetDimensions(selection, force) {
-	    if (!selection || selection.empty()) {
-	        return [0, 0];
-	    }
-	    var node = selection.node(),
-	        cached = selection.property('__dimensions__');
-	    return (!cached || force) ? refresh(selection, node) : cached;
-	}
-
-
-	function utilSetDimensions(selection, dimensions) {
-	    if (!selection || selection.empty()) {
-	        return selection;
-	    }
-	    var node = selection.node();
-	    if (dimensions === null) {
-	        refresh(selection, node);
-	        return selection;
-	    }
-	    return selection
-	        .property('__dimensions__', [dimensions[0], dimensions[1]])
-	        .attr('width', dimensions[0])
-	        .attr('height', dimensions[1]);
-	}
-
-	function svgLayers(projection, context) {
-	    var dispatch$1 = dispatch('change');
-	    var svg = select(null);
-	    var _layers = [
-	        { id: 'osm', layer: svgOsm(projection, context, dispatch$1) },
-	        { id: 'notes', layer: svgNotes(projection, context, dispatch$1) },
-	        { id: 'data', layer: svgData(projection, context, dispatch$1) },
-	        { id: 'keepRight', layer: svgKeepRight(projection, context, dispatch$1) },
-	        { id: 'improveOSM', layer: svgImproveOSM(projection, context, dispatch$1) },
-	        { id: 'osmose', layer: svgOsmose(projection, context, dispatch$1) },
-	        { id: 'streetside', layer: svgStreetside(projection, context, dispatch$1)},
-	        { id: 'mapillary', layer: svgMapillaryImages(projection, context, dispatch$1) },
-	        { id: 'mapillary-map-features',  layer: svgMapillaryMapFeatures(projection, context, dispatch$1) },
-	        { id: 'mapillary-signs',  layer: svgMapillarySigns(projection, context, dispatch$1) },
-	        { id: 'openstreetcam', layer: svgOpenstreetcamImages(projection, context, dispatch$1) },
-	        { id: 'debug', layer: svgDebug(projection, context) },
-	        { id: 'geolocate', layer: svgGeolocate(projection) },
-	        { id: 'touch', layer: svgTouch() }
-	    ];
-
-
-	    function drawLayers(selection) {
-	        svg = selection.selectAll('.surface')
-	            .data([0]);
-
-	        svg = svg.enter()
-	            .append('svg')
-	            .attr('class', 'surface')
-	            .merge(svg);
-
-	        var defs = svg.selectAll('.surface-defs')
-	            .data([0]);
-
-	        defs.enter()
-	            .append('defs')
-	            .attr('class', 'surface-defs');
-
-	        var groups = svg.selectAll('.data-layer')
-	            .data(_layers);
-
-	        groups.exit()
-	            .remove();
-
-	        groups.enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'data-layer ' + d.id; })
-	            .merge(groups)
-	            .each(function(d) { select(this).call(d.layer); });
-	    }
-
-
-	    drawLayers.all = function() {
-	        return _layers;
-	    };
-
-
-	    drawLayers.layer = function(id) {
-	        var obj = _layers.find(function(o) { return o.id === id; });
-	        return obj && obj.layer;
-	    };
-
-
-	    drawLayers.only = function(what) {
-	        var arr = [].concat(what);
-	        var all = _layers.map(function(layer) { return layer.id; });
-	        return drawLayers.remove(utilArrayDifference(all, arr));
-	    };
-
-
-	    drawLayers.remove = function(what) {
-	        var arr = [].concat(what);
-	        arr.forEach(function(id) {
-	            _layers = _layers.filter(function(o) { return o.id !== id; });
-	        });
-	        dispatch$1.call('change');
-	        return this;
-	    };
-
-
-	    drawLayers.add = function(what) {
-	        var arr = [].concat(what);
-	        arr.forEach(function(obj) {
-	            if ('id' in obj && 'layer' in obj) {
-	                _layers.push(obj);
-	            }
-	        });
-	        dispatch$1.call('change');
-	        return this;
-	    };
-
-
-	    drawLayers.dimensions = function(val) {
-	        if (!arguments.length) return utilGetDimensions(svg);
-	        utilSetDimensions(svg, val);
-	        return this;
-	    };
-
-
-	    return utilRebind(drawLayers, dispatch$1, 'on');
-	}
-
-	function svgLines(projection, context) {
-	    var detected = utilDetect();
-
-	    var highway_stack = {
-	        motorway: 0,
-	        motorway_link: 1,
-	        trunk: 2,
-	        trunk_link: 3,
-	        primary: 4,
-	        primary_link: 5,
-	        secondary: 6,
-	        tertiary: 7,
-	        unclassified: 8,
-	        residential: 9,
-	        service: 10,
-	        footway: 11
-	    };
-
-
-	    function drawTargets(selection, graph, entities, filter) {
-	        var targetClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-	        var nopeClass = context.getDebug('target') ? 'red ' : 'nocolor ';
-	        var getPath = svgPath(projection).geojson;
-	        var activeID = context.activeID();
-	        var base = context.history().base();
-
-	        // The targets and nopes will be MultiLineString sub-segments of the ways
-	        var data = { targets: [], nopes: [] };
-
-	        entities.forEach(function(way) {
-	            var features = svgSegmentWay(way, graph, activeID);
-	            data.targets.push.apply(data.targets, features.passive);
-	            data.nopes.push.apply(data.nopes, features.active);
-	        });
-
-
-	        // Targets allow hover and vertex snapping
-	        var targetData = data.targets.filter(getPath);
-	        var targets = selection.selectAll('.line.target-allowed')
-	            .filter(function(d) { return filter(d.properties.entity); })
-	            .data(targetData, function key(d) { return d.id; });
-
-	        // exit
-	        targets.exit()
-	            .remove();
-
-	        var segmentWasEdited = function(d) {
-	            var wayID = d.properties.entity.id;
-	            // if the whole line was edited, don't draw segment changes
-	            if (!base.entities[wayID] ||
-	                !fastDeepEqual(graph.entities[wayID].nodes, base.entities[wayID].nodes)) {
-	                return false;
-	            }
-	            return d.properties.nodes.some(function(n) {
-	                return !base.entities[n.id] ||
-	                       !fastDeepEqual(graph.entities[n.id].loc, base.entities[n.id].loc);
-	            });
-	        };
-
-	        // enter/update
-	        targets.enter()
-	            .append('path')
-	            .merge(targets)
-	            .attr('d', getPath)
-	            .attr('class', function(d) {
-	                return 'way line target target-allowed ' + targetClass + d.id;
-	            })
-	            .classed('segment-edited', segmentWasEdited);
-
-	        // NOPE
-	        var nopeData = data.nopes.filter(getPath);
-	        var nopes = selection.selectAll('.line.target-nope')
-	            .filter(function(d) { return filter(d.properties.entity); })
-	            .data(nopeData, function key(d) { return d.id; });
-
-	        // exit
-	        nopes.exit()
-	            .remove();
-
-	        // enter/update
-	        nopes.enter()
-	            .append('path')
-	            .merge(nopes)
-	            .attr('d', getPath)
-	            .attr('class', function(d) {
-	                return 'way line target target-nope ' + nopeClass + d.id;
-	            })
-	            .classed('segment-edited', segmentWasEdited);
-	    }
-
-
-	    function drawLines(selection, graph, entities, filter) {
-	        var base = context.history().base();
-
-	        function waystack(a, b) {
-	            var selected = context.selectedIDs();
-	            var scoreA = selected.indexOf(a.id) !== -1 ? 20 : 0;
-	            var scoreB = selected.indexOf(b.id) !== -1 ? 20 : 0;
-
-	            if (a.tags.highway) { scoreA -= highway_stack[a.tags.highway]; }
-	            if (b.tags.highway) { scoreB -= highway_stack[b.tags.highway]; }
-	            return scoreA - scoreB;
-	        }
-
-
-	        function drawLineGroup(selection, klass, isSelected) {
-	            // Note: Don't add `.selected` class in draw modes
-	            var mode = context.mode();
-	            var isDrawing = mode && /^draw/.test(mode.id);
-	            var selectedClass = (!isDrawing && isSelected) ? 'selected ' : '';
-
-	            var lines = selection
-	                .selectAll('path')
-	                .filter(filter)
-	                .data(getPathData(isSelected), osmEntity.key);
-
-	            lines.exit()
-	                .remove();
-
-	            // Optimization: Call expensive TagClasses only on enter selection. This
-	            // works because osmEntity.key is defined to include the entity v attribute.
-	            lines.enter()
-	                .append('path')
-	                .attr('class', function(d) {
-
-	                    var prefix = 'way line';
-
-	                    // if this line isn't styled by its own tags
-	                    if (!d.hasInterestingTags()) {
-
-	                        var parentRelations = graph.parentRelations(d);
-	                        var parentMultipolygons = parentRelations.filter(function(relation) {
-	                            return relation.isMultipolygon();
-	                        });
-
-	                        // and if it's a member of at least one multipolygon relation
-	                        if (parentMultipolygons.length > 0 &&
-	                            // and only multipolygon relations
-	                            parentRelations.length === parentMultipolygons.length) {
-	                            // then fudge the classes to style this as an area edge
-	                            prefix = 'relation area';
-	                        }
-	                    }
-
-	                    var oldMPClass = oldMultiPolygonOuters[d.id] ? 'old-multipolygon ' : '';
-	                    return prefix + ' ' + klass + ' ' + selectedClass + oldMPClass + d.id;
-	                })
-	                .classed('added', function(d) {
-	                    return !base.entities[d.id];
-	                })
-	                .classed('geometry-edited', function(d) {
-	                    return graph.entities[d.id] &&
-	                        base.entities[d.id] &&
-	                        !fastDeepEqual(graph.entities[d.id].nodes, base.entities[d.id].nodes);
-	                })
-	                .classed('retagged', function(d) {
-	                    return graph.entities[d.id] &&
-	                        base.entities[d.id] &&
-	                        !fastDeepEqual(graph.entities[d.id].tags, base.entities[d.id].tags);
-	                })
-	                .call(svgTagClasses())
-	                .merge(lines)
-	                .sort(waystack)
-	                .attr('d', getPath)
-	                .call(svgTagClasses().tags(svgRelationMemberTags(graph)));
-
-	            return selection;
-	        }
-
-
-	        function getPathData(isSelected) {
-	            return function() {
-	                var layer = this.parentNode.__data__;
-	                var data = pathdata[layer] || [];
-	                return data.filter(function(d) {
-	                    if (isSelected)
-	                        return context.selectedIDs().indexOf(d.id) !== -1;
-	                    else
-	                        return context.selectedIDs().indexOf(d.id) === -1;
-	                });
-	            };
-	        }
-
-	        function addMarkers(layergroup, pathclass, groupclass, groupdata, marker) {
-	            var markergroup = layergroup
-	                .selectAll('g.' + groupclass)
-	                .data([pathclass]);
-
-	            markergroup = markergroup.enter()
-	                .append('g')
-	                .attr('class', groupclass)
-	                .merge(markergroup);
-
-	            var markers = markergroup
-	                .selectAll('path')
-	                .filter(filter)
-	                .data(
-	                    function data() { return groupdata[this.parentNode.__data__] || []; },
-	                    function key(d) { return [d.id, d.index]; }
-	                );
-
-	            markers.exit()
-	                .remove();
-
-	            markers = markers.enter()
-	                .append('path')
-	                .attr('class', pathclass)
-	                .merge(markers)
-	                .attr('marker-mid', marker)
-	                .attr('d', function(d) { return d.d; });
-
-	            if (detected.ie) {
-	                markers.each(function() { this.parentNode.insertBefore(this, this); });
-	            }
-	        }
-
-
-	        var getPath = svgPath(projection, graph);
-	        var ways = [];
-	        var onewaydata = {};
-	        var sideddata = {};
-	        var oldMultiPolygonOuters = {};
-
-	        for (var i = 0; i < entities.length; i++) {
-	            var entity = entities[i];
-	            var outer = osmOldMultipolygonOuterMember(entity, graph);
-	            if (outer) {
-	                ways.push(entity.mergeTags(outer.tags));
-	                oldMultiPolygonOuters[outer.id] = true;
-	            } else if (entity.geometry(graph) === 'line') {
-	                ways.push(entity);
-	            }
-	        }
-
-	        ways = ways.filter(getPath);
-	        var pathdata = utilArrayGroupBy(ways, function(way) { return way.layer(); });
-
-	        Object.keys(pathdata).forEach(function(k) {
-	            var v = pathdata[k];
-	            var onewayArr = v.filter(function(d) { return d.isOneWay(); });
-	            var onewaySegments = svgMarkerSegments(
-	                projection, graph, 35,
-	                function shouldReverse(entity) { return entity.tags.oneway === '-1'; },
-	                function bothDirections(entity) {
-	                    return entity.tags.oneway === 'reversible' || entity.tags.oneway === 'alternating';
-	                }
-	            );
-	            onewaydata[k] = utilArrayFlatten(onewayArr.map(onewaySegments));
-
-	            var sidedArr = v.filter(function(d) { return d.isSided(); });
-	            var sidedSegments = svgMarkerSegments(
-	                projection, graph, 30,
-	                function shouldReverse() { return false; },
-	                function bothDirections() { return false; }
-	            );
-	            sideddata[k] = utilArrayFlatten(sidedArr.map(sidedSegments));
-	        });
-
-
-	        var covered = selection.selectAll('.layer-osm.covered');     // under areas
-	        var uncovered = selection.selectAll('.layer-osm.lines');     // over areas
-	        var touchLayer = selection.selectAll('.layer-touch.lines');
-
-	        // Draw lines..
-	        [covered, uncovered].forEach(function(selection) {
-	            var range = (selection === covered ? range$1(-10,0) : range$1(0,11));
-	            var layergroup = selection
-	                .selectAll('g.layergroup')
-	                .data(range);
-
-	            layergroup = layergroup.enter()
-	                .append('g')
-	                .attr('class', function(d) { return 'layergroup layer' + String(d); })
-	                .merge(layergroup);
-
-	            layergroup
-	                .selectAll('g.linegroup')
-	                .data(['shadow', 'casing', 'stroke', 'shadow-highlighted', 'casing-highlighted', 'stroke-highlighted'])
-	                .enter()
-	                .append('g')
-	                .attr('class', function(d) { return 'linegroup line-' + d; });
-
-	            layergroup.selectAll('g.line-shadow')
-	                .call(drawLineGroup, 'shadow', false);
-	            layergroup.selectAll('g.line-casing')
-	                .call(drawLineGroup, 'casing', false);
-	            layergroup.selectAll('g.line-stroke')
-	                .call(drawLineGroup, 'stroke', false);
-
-	            layergroup.selectAll('g.line-shadow-highlighted')
-	                .call(drawLineGroup, 'shadow', true);
-	            layergroup.selectAll('g.line-casing-highlighted')
-	                .call(drawLineGroup, 'casing', true);
-	            layergroup.selectAll('g.line-stroke-highlighted')
-	                .call(drawLineGroup, 'stroke', true);
-
-	            addMarkers(layergroup, 'oneway', 'onewaygroup', onewaydata, 'url(#ideditor-oneway-marker)');
-	            addMarkers(layergroup, 'sided', 'sidedgroup', sideddata,
-	                function marker(d) {
-	                    var category = graph.entity(d.id).sidednessIdentifier();
-	                    return 'url(#ideditor-sided-marker-' + category + ')';
-	                }
-	            );
-	        });
-
-	        // Draw touch targets..
-	        touchLayer
-	            .call(drawTargets, graph, ways, filter);
-	    }
-
-
-	    return drawLines;
-	}
-
-	function svgMidpoints(projection, context) {
-	    var targetRadius = 8;
-
-	    function drawTargets(selection, graph, entities, filter) {
-	        var fillClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-	        var getTransform = svgPointTransform(projection).geojson;
-
-	        var data = entities.map(function(midpoint) {
-	            return {
-	                type: 'Feature',
-	                id: midpoint.id,
-	                properties: {
-	                    target: true,
-	                    entity: midpoint
-	                },
-	                geometry: {
-	                    type: 'Point',
-	                    coordinates: midpoint.loc
-	                }
-	            };
-	        });
-
-	        var targets = selection.selectAll('.midpoint.target')
-	            .filter(function(d) { return filter(d.properties.entity); })
-	            .data(data, function key(d) { return d.id; });
-
-	        // exit
-	        targets.exit()
-	            .remove();
-
-	        // enter/update
-	        targets.enter()
-	            .append('circle')
-	            .attr('r', targetRadius)
-	            .merge(targets)
-	            .attr('class', function(d) { return 'node midpoint target ' + fillClass + d.id; })
-	            .attr('transform', getTransform);
-	    }
-
-
-	    function drawMidpoints(selection, graph, entities, filter, extent) {
-	        var drawLayer = selection.selectAll('.layer-osm.points .points-group.midpoints');
-	        var touchLayer = selection.selectAll('.layer-touch.points');
-
-	        var mode = context.mode();
-	        if ((mode && mode.id !== 'select') || !context.map().withinEditableZoom()) {
-	            drawLayer.selectAll('.midpoint').remove();
-	            touchLayer.selectAll('.midpoint.target').remove();
-	            return;
-	        }
-
-	        var poly = extent.polygon();
-	        var midpoints = {};
-
-	        for (var i = 0; i < entities.length; i++) {
-	            var entity = entities[i];
-
-	            if (entity.type !== 'way') continue;
-	            if (!filter(entity)) continue;
-	            if (context.selectedIDs().indexOf(entity.id) < 0) continue;
-
-	            var nodes = graph.childNodes(entity);
-	            for (var j = 0; j < nodes.length - 1; j++) {
-	                var a = nodes[j];
-	                var b = nodes[j + 1];
-	                var id = [a.id, b.id].sort().join('-');
-
-	                if (midpoints[id]) {
-	                    midpoints[id].parents.push(entity);
-	                } else if (geoVecLength(projection(a.loc), projection(b.loc)) > 40) {
-	                    var point = geoVecInterp(a.loc, b.loc, 0.5);
-	                    var loc = null;
-
-	                    if (extent.intersects(point)) {
-	                        loc = point;
-	                    } else {
-	                        for (var k = 0; k < 4; k++) {
-	                            point = geoLineIntersection([a.loc, b.loc], [poly[k], poly[k + 1]]);
-	                            if (point &&
-	                                geoVecLength(projection(a.loc), projection(point)) > 20 &&
-	                                geoVecLength(projection(b.loc), projection(point)) > 20)
-	                            {
-	                                loc = point;
-	                                break;
-	                            }
-	                        }
-	                    }
-
-	                    if (loc) {
-	                        midpoints[id] = {
-	                            type: 'midpoint',
-	                            id: id,
-	                            loc: loc,
-	                            edge: [a.id, b.id],
-	                            parents: [entity]
-	                        };
-	                    }
-	                }
-	            }
-	        }
-
-
-	        function midpointFilter(d) {
-	            if (midpoints[d.id])
-	                return true;
-
-	            for (var i = 0; i < d.parents.length; i++) {
-	                if (filter(d.parents[i])) {
-	                    return true;
-	                }
-	            }
-
-	            return false;
-	        }
-
-
-	        var groups = drawLayer.selectAll('.midpoint')
-	            .filter(midpointFilter)
-	            .data(Object.values(midpoints), function(d) { return d.id; });
-
-	        groups.exit()
-	            .remove();
-
-	        var enter = groups.enter()
-	            .insert('g', ':first-child')
-	            .attr('class', 'midpoint');
-
-	        enter
-	            .append('polygon')
-	            .attr('points', '-6,8 10,0 -6,-8')
-	            .attr('class', 'shadow');
-
-	        enter
-	            .append('polygon')
-	            .attr('points', '-3,4 5,0 -3,-4')
-	            .attr('class', 'fill');
-
-	        groups = groups
-	            .merge(enter)
-	            .attr('transform', function(d) {
-	                var translate = svgPointTransform(projection);
-	                var a = graph.entity(d.edge[0]);
-	                var b = graph.entity(d.edge[1]);
-	                var angle = geoAngle(a, b, projection) * (180 / Math.PI);
-	                return translate(d) + ' rotate(' + angle + ')';
-	            })
-	            .call(svgTagClasses().tags(
-	                function(d) { return d.parents[0].tags; }
-	            ));
-
-	        // Propagate data bindings.
-	        groups.select('polygon.shadow');
-	        groups.select('polygon.fill');
-
-
-	        // Draw touch targets..
-	        touchLayer
-	            .call(drawTargets, graph, Object.values(midpoints), midpointFilter);
-	    }
-
-	    return drawMidpoints;
-	}
-
-	function svgPoints(projection, context) {
-
-	    function markerPath(selection, klass) {
-	        selection
-	            .attr('class', klass)
-	            .attr('transform', 'translate(-8, -23)')
-	            .attr('d', 'M 17,8 C 17,13 11,21 8.5,23.5 C 6,21 0,13 0,8 C 0,4 4,-0.5 8.5,-0.5 C 13,-0.5 17,4 17,8 z');
-	    }
-
-	    function sortY(a, b) {
-	        return b.loc[1] - a.loc[1];
-	    }
-
-
-	    // Avoid exit/enter if we're just moving stuff around.
-	    // The node will get a new version but we only need to run the update selection.
-	    function fastEntityKey(d) {
-	        var mode = context.mode();
-	        var isMoving = mode && /^(add|draw|drag|move|rotate)/.test(mode.id);
-	        return isMoving ? d.id : osmEntity.key(d);
-	    }
-
-
-	    function drawTargets(selection, graph, entities, filter) {
-	        var fillClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-	        var getTransform = svgPointTransform(projection).geojson;
-	        var activeID = context.activeID();
-	        var data = [];
-
-	        entities.forEach(function(node) {
-	            if (activeID === node.id) return;   // draw no target on the activeID
-
-	            data.push({
-	                type: 'Feature',
-	                id: node.id,
-	                properties: {
-	                    target: true,
-	                    entity: node
-	                },
-	                geometry: node.asGeoJSON()
-	            });
-	        });
-
-	        var targets = selection.selectAll('.point.target')
-	            .filter(function(d) { return filter(d.properties.entity); })
-	            .data(data, function key(d) { return d.id; });
-
-	        // exit
-	        targets.exit()
-	            .remove();
-
-	        // enter/update
-	        targets.enter()
-	            .append('rect')
-	            .attr('x', -10)
-	            .attr('y', -26)
-	            .attr('width', 20)
-	            .attr('height', 30)
-	            .merge(targets)
-	            .attr('class', function(d) { return 'node point target ' + fillClass + d.id; })
-	            .attr('transform', getTransform);
-	    }
-
-
-	    function drawPoints(selection, graph, entities, filter) {
-	        var wireframe = context.surface().classed('fill-wireframe');
-	        var zoom = geoScaleToZoom(projection.scale());
-	        var base = context.history().base();
-
-	        // Points with a direction will render as vertices at higher zooms..
-	        function renderAsPoint(entity) {
-	            return entity.geometry(graph) === 'point' &&
-	                !(zoom >= 18 && entity.directions(graph, projection).length);
-	        }
-
-	        // All points will render as vertices in wireframe mode too..
-	        var points = wireframe ? [] : entities.filter(renderAsPoint);
-	        points.sort(sortY);
-
-
-	        var drawLayer = selection.selectAll('.layer-osm.points .points-group.points');
-	        var touchLayer = selection.selectAll('.layer-touch.points');
-
-	        // Draw points..
-	        var groups = drawLayer.selectAll('g.point')
-	            .filter(filter)
-	            .data(points, fastEntityKey);
-
-	        groups.exit()
-	            .remove();
-
-	        var enter = groups.enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'node point ' + d.id; })
-	            .order();
-
-	        enter
-	            .append('path')
-	            .call(markerPath, 'shadow');
-
-	        enter
-	            .append('ellipse')
-	            .attr('cx', 0.5)
-	            .attr('cy', 1)
-	            .attr('rx', 6.5)
-	            .attr('ry', 3)
-	            .attr('class', 'stroke');
-
-	        enter
-	            .append('path')
-	            .call(markerPath, 'stroke');
-
-	        enter
-	            .append('use')
-	            .attr('transform', 'translate(-5, -19)')
-	            .attr('class', 'icon')
-	            .attr('width', '11px')
-	            .attr('height', '11px');
-
-	        groups = groups
-	            .merge(enter)
-	            .attr('transform', svgPointTransform(projection))
-	            .classed('added', function(d) {
-	                return !base.entities[d.id]; // if it doesn't exist in the base graph, it's new
-	            })
-	            .classed('moved', function(d) {
-	                return base.entities[d.id] && !fastDeepEqual(graph.entities[d.id].loc, base.entities[d.id].loc);
-	            })
-	            .classed('retagged', function(d) {
-	                return base.entities[d.id] && !fastDeepEqual(graph.entities[d.id].tags, base.entities[d.id].tags);
-	            })
-	            .call(svgTagClasses());
-
-	        groups.select('.shadow');   // propagate bound data
-	        groups.select('.stroke');   // propagate bound data
-	        groups.select('.icon')      // propagate bound data
-	            .attr('xlink:href', function(entity) {
-	                var preset = _mainPresetIndex.match(entity, graph);
-	                var picon = preset && preset.icon;
-
-	                if (!picon) {
-	                    return '';
-	                } else {
-	                    var isMaki = /^maki-/.test(picon);
-	                    return '#' + picon + (isMaki ? '-11' : '');
-	                }
-	            });
-
-
-	        // Draw touch targets..
-	        touchLayer
-	            .call(drawTargets, graph, points, filter);
-	    }
-
-
-	    return drawPoints;
-	}
-
-	function svgTurns(projection, context) {
-
-	    function icon(turn) {
-	        var u = turn.u ? '-u' : '';
-	        if (turn.no) return '#iD-turn-no' + u;
-	        if (turn.only) return '#iD-turn-only' + u;
-	        return '#iD-turn-yes' + u;
-	    }
-
-	    function drawTurns(selection, graph, turns) {
-
-	        function turnTransform(d) {
-	            var pxRadius = 50;
-	            var toWay = graph.entity(d.to.way);
-	            var toPoints = graph.childNodes(toWay)
-	                .map(function (n) { return n.loc; })
-	                .map(projection);
-	            var toLength = geoPathLength(toPoints);
-	            var mid = toLength / 2;    // midpoint of destination way
-
-	            var toNode = graph.entity(d.to.node);
-	            var toVertex = graph.entity(d.to.vertex);
-	            var a = geoAngle(toVertex, toNode, projection);
-	            var o = projection(toVertex.loc);
-	            var r = d.u ? 0                  // u-turn: no radius
-	                : !toWay.__via ? pxRadius    // leaf way: put marker at pxRadius
-	                : Math.min(mid, pxRadius);   // via way: prefer pxRadius, fallback to mid for very short ways
-
-	            return 'translate(' + (r * Math.cos(a) + o[0]) + ',' + (r * Math.sin(a) + o[1]) + ') ' +
-	                'rotate(' + a * 180 / Math.PI + ')';
-	        }
-
-
-	        var drawLayer = selection.selectAll('.layer-osm.points .points-group.turns');
-	        var touchLayer = selection.selectAll('.layer-touch.turns');
-
-	        // Draw turns..
-	        var groups = drawLayer.selectAll('g.turn')
-	            .data(turns, function(d) { return d.key; });
-
-	        // exit
-	        groups.exit()
-	            .remove();
-
-	        // enter
-	        var groupsEnter = groups.enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'turn ' + d.key; });
-
-	        var turnsEnter = groupsEnter
-	            .filter(function(d) { return !d.u; });
-
-	        turnsEnter.append('rect')
-	            .attr('transform', 'translate(-22, -12)')
-	            .attr('width', '44')
-	            .attr('height', '24');
-
-	        turnsEnter.append('use')
-	            .attr('transform', 'translate(-22, -12)')
-	            .attr('width', '44')
-	            .attr('height', '24');
-
-	        var uEnter = groupsEnter
-	            .filter(function(d) { return d.u; });
-
-	        uEnter.append('circle')
-	            .attr('r', '16');
-
-	        uEnter.append('use')
-	            .attr('transform', 'translate(-16, -16)')
-	            .attr('width', '32')
-	            .attr('height', '32');
-
-	        // update
-	        groups = groups
-	            .merge(groupsEnter)
-	            .attr('opacity', function(d) { return d.direct === false ? '0.7' : null; })
-	            .attr('transform', turnTransform);
-
-	        groups.select('use')
-	            .attr('xlink:href', icon);
-
-	        groups.select('rect');      // propagate bound data
-	        groups.select('circle');    // propagate bound data
-
-
-	        // Draw touch targets..
-	        var fillClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-	        groups = touchLayer.selectAll('g.turn')
-	            .data(turns, function(d) { return d.key; });
-
-	        // exit
-	        groups.exit()
-	            .remove();
-
-	        // enter
-	        groupsEnter = groups.enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'turn ' + d.key; });
-
-	        turnsEnter = groupsEnter
-	            .filter(function(d) { return !d.u; });
-
-	        turnsEnter.append('rect')
-	            .attr('class', 'target ' + fillClass)
-	            .attr('transform', 'translate(-22, -12)')
-	            .attr('width', '44')
-	            .attr('height', '24');
-
-	        uEnter = groupsEnter
-	            .filter(function(d) { return d.u; });
-
-	        uEnter.append('circle')
-	            .attr('class', 'target ' + fillClass)
-	            .attr('r', '16');
-
-	        // update
-	        groups = groups
-	            .merge(groupsEnter)
-	            .attr('transform', turnTransform);
-
-	        groups.select('rect');      // propagate bound data
-	        groups.select('circle');    // propagate bound data
-
-
-	        return this;
-	    }
-
-	    return drawTurns;
-	}
-
-	function svgVertices(projection, context) {
-	    var radiuses = {
-	        //       z16-, z17,   z18+,  w/icon
-	        shadow: [6,    7.5,   7.5,   12],
-	        stroke: [2.5,  3.5,   3.5,   8],
-	        fill:   [1,    1.5,   1.5,   1.5]
-	    };
-
-	    var _currHoverTarget;
-	    var _currPersistent = {};
-	    var _currHover = {};
-	    var _prevHover = {};
-	    var _currSelected = {};
-	    var _prevSelected = {};
-	    var _radii = {};
-
-
-	    function sortY(a, b) {
-	        return b.loc[1] - a.loc[1];
-	    }
-
-	    // Avoid exit/enter if we're just moving stuff around.
-	    // The node will get a new version but we only need to run the update selection.
-	    function fastEntityKey(d) {
-	        var mode = context.mode();
-	        var isMoving = mode && /^(add|draw|drag|move|rotate)/.test(mode.id);
-	        return isMoving ? d.id : osmEntity.key(d);
-	    }
-
-
-	    function draw(selection, graph, vertices, sets, filter) {
-	        sets = sets || { selected: {}, important: {}, hovered: {} };
-
-	        var icons = {};
-	        var directions = {};
-	        var wireframe = context.surface().classed('fill-wireframe');
-	        var zoom = geoScaleToZoom(projection.scale());
-	        var z = (zoom < 17 ? 0 : zoom < 18 ? 1 : 2);
-	        var activeID = context.activeID();
-	        var base = context.history().base();
-
-
-	        function getIcon(d) {
-	            // always check latest entity, as fastEntityKey avoids enter/exit now
-	            var entity = graph.entity(d.id);
-	            if (entity.id in icons) return icons[entity.id];
-
-	            icons[entity.id] =
-	                entity.hasInterestingTags() &&
-	                _mainPresetIndex.match(entity, graph).icon;
-
-	            return icons[entity.id];
-	        }
-
-
-	        // memoize directions results, return false for empty arrays (for use in filter)
-	        function getDirections(entity) {
-	            if (entity.id in directions) return directions[entity.id];
-
-	            var angles = entity.directions(graph, projection);
-	            directions[entity.id] = angles.length ? angles : false;
-	            return angles;
-	        }
-
-
-	        function updateAttributes(selection) {
-	            ['shadow', 'stroke', 'fill'].forEach(function(klass) {
-	                var rads = radiuses[klass];
-	                selection.selectAll('.' + klass)
-	                    .each(function(entity) {
-	                        var i = z && getIcon(entity);
-	                        var r = rads[i ? 3 : z];
-
-	                        // slightly increase the size of unconnected endpoints #3775
-	                        if (entity.id !== activeID && entity.isEndpoint(graph) && !entity.isConnected(graph)) {
-	                            r += 1.5;
-	                        }
-
-	                        if (klass === 'shadow') {   // remember this value, so we don't need to
-	                            _radii[entity.id] = r;  // recompute it when we draw the touch targets
-	                        }
-
-	                        select(this)
-	                            .attr('r', r)
-	                            .attr('visibility', (i && klass === 'fill') ? 'hidden' : null);
-	                    });
-	            });
-	        }
-
-	        vertices.sort(sortY);
-
-	        var groups = selection.selectAll('g.vertex')
-	            .filter(filter)
-	            .data(vertices, fastEntityKey);
-
-	        // exit
-	        groups.exit()
-	            .remove();
-
-	        // enter
-	        var enter = groups.enter()
-	            .append('g')
-	            .attr('class', function(d) { return 'node vertex ' + d.id; })
-	            .order();
-
-	        enter
-	            .append('circle')
-	            .attr('class', 'shadow');
-
-	        enter
-	            .append('circle')
-	            .attr('class', 'stroke');
-
-	        // Vertices with tags get a fill.
-	        enter.filter(function(d) { return d.hasInterestingTags(); })
-	            .append('circle')
-	            .attr('class', 'fill');
-
-	        // update
-	        groups = groups
-	            .merge(enter)
-	            .attr('transform', svgPointTransform(projection))
-	            .classed('sibling', function(d) { return d.id in sets.selected; })
-	            .classed('shared', function(d) { return graph.isShared(d); })
-	            .classed('endpoint', function(d) { return d.isEndpoint(graph); })
-	            .classed('added', function(d) {
-	                return !base.entities[d.id]; // if it doesn't exist in the base graph, it's new
-	            })
-	            .classed('moved', function(d) {
-	                return base.entities[d.id] && !fastDeepEqual(graph.entities[d.id].loc, base.entities[d.id].loc);
-	            })
-	            .classed('retagged', function(d) {
-	                return base.entities[d.id] && !fastDeepEqual(graph.entities[d.id].tags, base.entities[d.id].tags);
-	            })
-	            .call(updateAttributes);
-
-	        // Vertices with icons get a `use`.
-	        var iconUse = groups
-	            .selectAll('.icon')
-	            .data(function data(d) { return zoom >= 17 && getIcon(d) ? [d] : []; }, fastEntityKey);
-
-	        // exit
-	        iconUse.exit()
-	            .remove();
-
-	        // enter
-	        iconUse.enter()
-	            .append('use')
-	            .attr('class', 'icon')
-	            .attr('width', '11px')
-	            .attr('height', '11px')
-	            .attr('transform', 'translate(-5.5, -5.5)')
-	            .attr('xlink:href', function(d) {
-	                var picon = getIcon(d);
-	                var isMaki = /^maki-/.test(picon);
-	                return '#' + picon + (isMaki ? '-11' : '');
-	            });
-
-
-	        // Vertices with directions get viewfields
-	        var dgroups = groups
-	            .selectAll('.viewfieldgroup')
-	            .data(function data(d) { return zoom >= 18 && getDirections(d) ? [d] : []; }, fastEntityKey);
-
-	        // exit
-	        dgroups.exit()
-	            .remove();
-
-	        // enter/update
-	        dgroups = dgroups.enter()
-	            .insert('g', '.shadow')
-	            .attr('class', 'viewfieldgroup')
-	            .merge(dgroups);
-
-	        var viewfields = dgroups.selectAll('.viewfield')
-	            .data(getDirections, function key(d) { return osmEntity.key(d); });
-
-	        // exit
-	        viewfields.exit()
-	            .remove();
-
-	        // enter/update
-	        viewfields.enter()
-	            .append('path')
-	            .attr('class', 'viewfield')
-	            .attr('d', 'M0,0H0')
-	            .merge(viewfields)
-	            .attr('marker-start', 'url(#ideditor-viewfield-marker' + (wireframe ? '-wireframe' : '') + ')')
-	            .attr('transform', function(d) { return 'rotate(' + d + ')'; });
-	    }
-
-
-	    function drawTargets(selection, graph, entities, filter) {
-	        var targetClass = context.getDebug('target') ? 'pink ' : 'nocolor ';
-	        var nopeClass = context.getDebug('target') ? 'red ' : 'nocolor ';
-	        var getTransform = svgPointTransform(projection).geojson;
-	        var activeID = context.activeID();
-	        var data = { targets: [], nopes: [] };
-
-	        entities.forEach(function(node) {
-	            if (activeID === node.id) return;   // draw no target on the activeID
-
-	            var vertexType = svgPassiveVertex(node, graph, activeID);
-	            if (vertexType !== 0) {     // passive or adjacent - allow to connect
-	                data.targets.push({
-	                    type: 'Feature',
-	                    id: node.id,
-	                    properties: {
-	                        target: true,
-	                        entity: node
-	                    },
-	                    geometry: node.asGeoJSON()
-	                });
-	            } else {
-	                data.nopes.push({
-	                    type: 'Feature',
-	                    id: node.id + '-nope',
-	                    properties: {
-	                        nope: true,
-	                        target: true,
-	                        entity: node
-	                    },
-	                    geometry: node.asGeoJSON()
-	                });
-	            }
-	        });
-
-	        // Targets allow hover and vertex snapping
-	        var targets = selection.selectAll('.vertex.target-allowed')
-	            .filter(function(d) { return filter(d.properties.entity); })
-	            .data(data.targets, function key(d) { return d.id; });
-
-	        // exit
-	        targets.exit()
-	            .remove();
-
-	        // enter/update
-	        targets.enter()
-	            .append('circle')
-	            .attr('r', function(d) {
-	                return _radii[d.id]
-	                  || radiuses.shadow[3];
-	            })
-	            .merge(targets)
-	            .attr('class', function(d) {
-	                return 'node vertex target target-allowed '
-	                + targetClass + d.id;
-	            })
-	            .attr('transform', getTransform);
-
-
-	        // NOPE
-	        var nopes = selection.selectAll('.vertex.target-nope')
-	            .filter(function(d) { return filter(d.properties.entity); })
-	            .data(data.nopes, function key(d) { return d.id; });
-
-	        // exit
-	        nopes.exit()
-	            .remove();
-
-	        // enter/update
-	        nopes.enter()
-	            .append('circle')
-	            .attr('r', function(d) { return (_radii[d.properties.entity.id] || radiuses.shadow[3]); })
-	            .merge(nopes)
-	            .attr('class', function(d) { return 'node vertex target target-nope ' + nopeClass + d.id; })
-	            .attr('transform', getTransform);
-	    }
-
-
-	    // Points can also render as vertices:
-	    // 1. in wireframe mode or
-	    // 2. at higher zooms if they have a direction
-	    function renderAsVertex(entity, graph, wireframe, zoom) {
-	        var geometry = entity.geometry(graph);
-	        return geometry === 'vertex' || (geometry === 'point' && (
-	            wireframe || (zoom >= 18 && entity.directions(graph, projection).length)
-	        ));
-	    }
-
-
-	    function isEditedNode(node, base, head) {
-	        var baseNode = base.entities[node.id];
-	        var headNode = head.entities[node.id];
-	        return !headNode ||
-	            !baseNode ||
-	            !fastDeepEqual(headNode.tags, baseNode.tags) ||
-	            !fastDeepEqual(headNode.loc, baseNode.loc);
-	    }
-
-
-	    function getSiblingAndChildVertices(ids, graph, wireframe, zoom) {
-	        var results = {};
-
-	        var seenIds = {};
-
-	        function addChildVertices(entity) {
-
-	            // avoid redunant work and infinite recursion of circular relations
-	            if (seenIds[entity.id]) return;
-	            seenIds[entity.id] = true;
-
-	            var geometry = entity.geometry(graph);
-	            if (!context.features().isHiddenFeature(entity, graph, geometry)) {
-	                var i;
-	                if (entity.type === 'way') {
-	                    for (i = 0; i < entity.nodes.length; i++) {
-	                        var child = graph.hasEntity(entity.nodes[i]);
-	                        if (child) {
-	                            addChildVertices(child);
-	                        }
-	                    }
-	                } else if (entity.type === 'relation') {
-	                    for (i = 0; i < entity.members.length; i++) {
-	                        var member = graph.hasEntity(entity.members[i].id);
-	                        if (member) {
-	                            addChildVertices(member);
-	                        }
-	                    }
-	                } else if (renderAsVertex(entity, graph, wireframe, zoom)) {
-	                    results[entity.id] = entity;
-	                }
-	            }
-	        }
-
-	        ids.forEach(function(id) {
-	            var entity = graph.hasEntity(id);
-	            if (!entity) return;
-
-	            if (entity.type === 'node') {
-	                if (renderAsVertex(entity, graph, wireframe, zoom)) {
-	                    results[entity.id] = entity;
-	                    graph.parentWays(entity).forEach(function(entity) {
-	                        addChildVertices(entity);
-	                    });
-	                }
-	            } else {  // way, relation
-	                addChildVertices(entity);
-	            }
-	        });
-
-	        return results;
-	    }
-
-
-	    function drawVertices(selection, graph, entities, filter, extent, fullRedraw) {
-	        var wireframe = context.surface().classed('fill-wireframe');
-	        var visualDiff = context.surface().classed('highlight-edited');
-	        var zoom = geoScaleToZoom(projection.scale());
-	        var mode = context.mode();
-	        var isMoving = mode && /^(add|draw|drag|move|rotate)/.test(mode.id);
-	        var base = context.history().base();
-
-	        var drawLayer = selection.selectAll('.layer-osm.points .points-group.vertices');
-	        var touchLayer = selection.selectAll('.layer-touch.points');
-
-	        if (fullRedraw) {
-	            _currPersistent = {};
-	            _radii = {};
-	        }
-
-	        // Collect important vertices from the `entities` list..
-	        // (during a paritial redraw, it will not contain everything)
-	        for (var i = 0; i < entities.length; i++) {
-	            var entity = entities[i];
-	            var geometry = entity.geometry(graph);
-	            var keep = false;
-
-	            // a point that looks like a vertex..
-	            if ((geometry === 'point') && renderAsVertex(entity, graph, wireframe, zoom)) {
-	                _currPersistent[entity.id] = entity;
-	                keep = true;
-
-	            // a vertex of some importance..
-	            } else if (geometry === 'vertex' &&
-	                (entity.hasInterestingTags() || entity.isEndpoint(graph) || entity.isConnected(graph)
-	                || (visualDiff && isEditedNode(entity, base, graph)))) {
-	                _currPersistent[entity.id] = entity;
-	                keep = true;
-	            }
-
-	            // whatever this is, it's not a persistent vertex..
-	            if (!keep && !fullRedraw) {
-	                delete _currPersistent[entity.id];
-	            }
-	        }
-
-	        // 3 sets of vertices to consider:
-	        var sets = {
-	            persistent: _currPersistent,  // persistent = important vertices (render always)
-	            selected: _currSelected,      // selected + siblings of selected (render always)
-	            hovered: _currHover           // hovered + siblings of hovered (render only in draw modes)
-	        };
-
-	        var all = Object.assign({}, (isMoving ? _currHover : {}), _currSelected, _currPersistent);
-
-	        // Draw the vertices..
-	        // The filter function controls the scope of what objects d3 will touch (exit/enter/update)
-	        // Adjust the filter function to expand the scope beyond whatever entities were passed in.
-	        var filterRendered = function(d) {
-	            return d.id in _currPersistent || d.id in _currSelected || d.id in _currHover || filter(d);
-	        };
-	        drawLayer
-	            .call(draw, graph, currentVisible(all), sets, filterRendered);
-
-	        // Draw touch targets..
-	        // When drawing, render all targets (not just those affected by a partial redraw)
-	        var filterTouch = function(d) {
-	            return isMoving ? true : filterRendered(d);
-	        };
-	        touchLayer
-	            .call(drawTargets, graph, currentVisible(all), filterTouch);
-
-
-	        function currentVisible(which) {
-	            return Object.keys(which)
-	                .map(graph.hasEntity, graph)     // the current version of this entity
-	                .filter(function (entity) { return entity && entity.intersects(extent, graph); });
-	        }
-	    }
-
-
-	    // partial redraw - only update the selected items..
-	    drawVertices.drawSelected = function(selection, graph, extent) {
-	        var wireframe = context.surface().classed('fill-wireframe');
-	        var zoom = geoScaleToZoom(projection.scale());
-
-	        _prevSelected = _currSelected || {};
-	        if (context.map().isInWideSelection()) {
-	            _currSelected = {};
-	            context.selectedIDs().forEach(function(id) {
-	                var entity = graph.hasEntity(id);
-	                if (!entity) return;
-
-	                if (entity.type === 'node') {
-	                    if (renderAsVertex(entity, graph, wireframe, zoom)) {
-	                        _currSelected[entity.id] = entity;
-	                    }
-	                }
-	            });
-
-	        } else {
-	            _currSelected = getSiblingAndChildVertices(context.selectedIDs(), graph, wireframe, zoom);
-	        }
-
-	        // note that drawVertices will add `_currSelected` automatically if needed..
-	        var filter = function(d) { return d.id in _prevSelected; };
-	        drawVertices(selection, graph, Object.values(_prevSelected), filter, extent, false);
-	    };
-
-
-	    // partial redraw - only update the hovered items..
-	    drawVertices.drawHover = function(selection, graph, target, extent) {
-	        if (target === _currHoverTarget) return;  // continue only if something changed
-
-	        var wireframe = context.surface().classed('fill-wireframe');
-	        var zoom = geoScaleToZoom(projection.scale());
-
-	        _prevHover = _currHover || {};
-	        _currHoverTarget = target;
-	        var entity = target && target.properties && target.properties.entity;
-
-	        if (entity) {
-	            _currHover = getSiblingAndChildVertices([entity.id], graph, wireframe, zoom);
-	        } else {
-	            _currHover = {};
-	        }
-
-	        // note that drawVertices will add `_currHover` automatically if needed..
-	        var filter = function(d) { return d.id in _prevHover; };
-	        drawVertices(selection, graph, Object.values(_prevHover), filter, extent, false);
-	    };
-
-	    return drawVertices;
-	}
-
-	function utilBindOnce(target, type, listener, capture) {
-	    var typeOnce = type + '.once';
-	    function one() {
-	        target.on(typeOnce, null);
-	        listener.apply(this, arguments);
-	    }
-	    target.on(typeOnce, one, capture);
-	    return this;
-	}
-
-	// Adapted from d3-zoom to handle pointer events.
-
-	// Ignore right-click, since that should open the context menu.
-	function defaultFilter$2() {
-	  return !event.ctrlKey && !event.button;
-	}
-
-	function defaultExtent$1() {
-	  var e = this;
-	  if (e instanceof SVGElement) {
-	    e = e.ownerSVGElement || e;
-	    if (e.hasAttribute('viewBox')) {
-	      e = e.viewBox.baseVal;
-	      return [[e.x, e.y], [e.x + e.width, e.y + e.height]];
-	    }
-	    return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]];
-	  }
-	  return [[0, 0], [e.clientWidth, e.clientHeight]];
-	}
-
-	function defaultWheelDelta$1() {
-	  return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 0.002);
-	}
-
-	function defaultConstrain$1(transform, extent, translateExtent) {
-	  var dx0 = transform.invertX(extent[0][0]) - translateExtent[0][0],
-	      dx1 = transform.invertX(extent[1][0]) - translateExtent[1][0],
-	      dy0 = transform.invertY(extent[0][1]) - translateExtent[0][1],
-	      dy1 = transform.invertY(extent[1][1]) - translateExtent[1][1];
-	  return transform.translate(
-	    dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1),
-	    dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1)
-	  );
-	}
-
-	function utilZoomPan() {
-	  var filter = defaultFilter$2,
-	      extent = defaultExtent$1,
-	      constrain = defaultConstrain$1,
-	      wheelDelta = defaultWheelDelta$1,
-	      scaleExtent = [0, Infinity],
-	      translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]],
-	      interpolate = interpolateZoom,
-	      listeners = dispatch('start', 'zoom', 'end'),
-	      _wheelDelay = 150,
-	      _transform = identity$2,
-	      _activeGesture;
-
-	  function zoom(selection) {
-	    selection
-	        .on('pointerdown.zoom', pointerdown)
-	        .on('wheel.zoom', wheeled)
-	        .style('touch-action', 'none')
-	        .style('-webkit-tap-highlight-color', 'rgba(0,0,0,0)');
-
-	    select(window)
-	        .on('pointermove.zoompan', pointermove)
-	        .on('pointerup.zoompan pointercancel.zoompan', pointerup);
-	  }
-
-	  zoom.transform = function(collection, transform, point) {
-	    var selection = collection.selection ? collection.selection() : collection;
-	    if (collection !== selection) {
-	      schedule(collection, transform, point);
-	    } else {
-	      selection.interrupt().each(function() {
-	        gesture(this, arguments)
-	            .start()
-	            .zoom(null, typeof transform === 'function' ? transform.apply(this, arguments) : transform)
-	            .end();
-	      });
-	    }
-	  };
-
-	  zoom.scaleBy = function(selection, k, p) {
-	    zoom.scaleTo(selection, function() {
-	      var k0 = _transform.k,
-	          k1 = typeof k === 'function' ? k.apply(this, arguments) : k;
-	      return k0 * k1;
-	    }, p);
-	  };
-
-	  zoom.scaleTo = function(selection, k, p) {
-	    zoom.transform(selection, function() {
-	      var e = extent.apply(this, arguments),
-	          t0 = _transform,
-	          p0 = p == null ? centroid(e) : typeof p === 'function' ? p.apply(this, arguments) : p,
-	          p1 = t0.invert(p0),
-	          k1 = typeof k === 'function' ? k.apply(this, arguments) : k;
-	      return constrain(translate(scale(t0, k1), p0, p1), e, translateExtent);
-	    }, p);
-	  };
-
-	  zoom.translateBy = function(selection, x, y) {
-	    zoom.transform(selection, function() {
-	      return constrain(_transform.translate(
-	        typeof x === 'function' ? x.apply(this, arguments) : x,
-	        typeof y === 'function' ? y.apply(this, arguments) : y
-	      ), extent.apply(this, arguments), translateExtent);
-	    });
-	  };
-
-	  zoom.translateTo = function(selection, x, y, p) {
-	    zoom.transform(selection, function() {
-	      var e = extent.apply(this, arguments),
-	          t = _transform,
-	          p0 = p == null ? centroid(e) : typeof p === 'function' ? p.apply(this, arguments) : p;
-	      return constrain(identity$2.translate(p0[0], p0[1]).scale(t.k).translate(
-	        typeof x === 'function' ? -x.apply(this, arguments) : -x,
-	        typeof y === 'function' ? -y.apply(this, arguments) : -y
-	      ), e, translateExtent);
-	    }, p);
-	  };
-
-	  function scale(transform, k) {
-	    k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k));
-	    return k === transform.k ? transform : new Transform(k, transform.x, transform.y);
-	  }
-
-	  function translate(transform, p0, p1) {
-	    var x = p0[0] - p1[0] * transform.k, y = p0[1] - p1[1] * transform.k;
-	    return x === transform.x && y === transform.y ? transform : new Transform(transform.k, x, y);
-	  }
-
-	  function centroid(extent) {
-	    return [(+extent[0][0] + +extent[1][0]) / 2, (+extent[0][1] + +extent[1][1]) / 2];
-	  }
-
-	  function schedule(transition, transform, point) {
-	    transition
-	        .on('start.zoom', function() { gesture(this, arguments).start(); })
-	        .on('interrupt.zoom end.zoom', function() { gesture(this, arguments).end(); })
-	        .tween('zoom', function() {
-	          var that = this,
-	              args = arguments,
-	              g = gesture(that, args),
-	              e = extent.apply(that, args),
-	              p = point == null ? centroid(e) : typeof point === 'function' ? point.apply(that, args) : point,
-	              w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]),
-	              a = _transform,
-	              b = typeof transform === 'function' ? transform.apply(that, args) : transform,
-	              i = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k));
-	          return function(t) {
-	            if (t === 1) t = b; // Avoid rounding error on end.
-	            else { var l = i(t), k = w / l[2]; t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k); }
-	            g.zoom(null, t);
-	          };
-	        });
-	  }
-
-	  function gesture(that, args, clean) {
-	    return (!clean && _activeGesture) || new Gesture(that, args);
-	  }
-
-	  function Gesture(that, args) {
-	    this.that = that;
-	    this.args = args;
-	    this.active = 0;
-	    this.extent = extent.apply(that, args);
-	  }
-
-	  Gesture.prototype = {
-	    start: function() {
-	      if (++this.active === 1) {
-	        _activeGesture = this;
-	        this.emit('start');
-	      }
-	      return this;
-	    },
-	    zoom: function(key, transform) {
-	      if (this.mouse && key !== 'mouse') this.mouse[1] = transform.invert(this.mouse[0]);
-	      if (this.pointer0 && key !== 'touch') this.pointer0[1] = transform.invert(this.pointer0[0]);
-	      if (this.pointer1 && key !== 'touch') this.pointer1[1] = transform.invert(this.pointer1[0]);
-	      _transform = transform;
-	      this.emit('zoom');
-	      return this;
-	    },
-	    end: function() {
-	      if (--this.active === 0) {
-	        _activeGesture = null;
-	        this.emit('end');
-	      }
-	      return this;
-	    },
-	    emit: function(type) {
-	      customEvent(new ZoomEvent(zoom, type, _transform), listeners.apply, listeners, [type, this.that, this.args]);
-	    }
-	  };
-
-	  function wheeled() {
-	    if (!filter.apply(this, arguments)) return;
-	    var g = gesture(this, arguments),
-	        t = _transform,
-	        k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))),
-	        p = utilFastMouse(this)(event);
-
-	    // If the mouse is in the same location as before, reuse it.
-	    // If there were recent wheel events, reset the wheel idle timeout.
-	    if (g.wheel) {
-	      if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) {
-	        g.mouse[1] = t.invert(g.mouse[0] = p);
-	      }
-	      clearTimeout(g.wheel);
-
-	    // Otherwise, capture the mouse point and location at the start.
-	    } else {
-	      g.mouse = [p, t.invert(p)];
-	      interrupt(this);
-	      g.start();
-	    }
-
-	    event.preventDefault();
-	    event.stopImmediatePropagation();
-	    g.wheel = setTimeout(wheelidled, _wheelDelay);
-	    g.zoom('mouse', constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent));
-
-	    function wheelidled() {
-	      g.wheel = null;
-	      g.end();
-	    }
-	  }
-
-	  var _downPointerIDs = new Set();
-	  var _pointerLocGetter;
-
-	  function pointerdown() {
-	    _downPointerIDs.add(event.pointerId);
-
-	    if (!filter.apply(this, arguments)) return;
-
-	    var g = gesture(this, arguments, _downPointerIDs.size === 1);
-	    var started;
-
-	    event.stopImmediatePropagation();
-	    _pointerLocGetter = utilFastMouse(this);
-	    var loc = _pointerLocGetter(event);
-	    var p = [loc, _transform.invert(loc), event.pointerId];
-	    if (!g.pointer0) {
-	       g.pointer0 = p;
-	       started = true;
-
-	    } else if (!g.pointer1 && g.pointer0[2] !== p[2]) {
-	       g.pointer1 = p;
-	    }
-
-	    if (started) {
-	      interrupt(this);
-	      g.start();
-	    }
-	  }
-
-	  function pointermove() {
-	    if (!_downPointerIDs.has(event.pointerId)) return;
-
-	    if (!_activeGesture || !_pointerLocGetter) return;
-
-	    var g = gesture(this, arguments);
-
-	    var isPointer0 = g.pointer0 && g.pointer0[2] === event.pointerId;
-	    var isPointer1 = !isPointer0 && g.pointer1 && g.pointer1[2] === event.pointerId;
-
-	    if ((isPointer0 || isPointer1) && 'buttons' in event && !event.buttons) {
-	      // The pointer went up without ending the gesture somehow, e.g.
-	      // a down mouse was moved off the map and released. End it here.
-	      if (g.pointer0) _downPointerIDs.delete(g.pointer0[2]);
-	      if (g.pointer1) _downPointerIDs.delete(g.pointer1[2]);
-	      g.end();
-	      return;
-	    }
-
-	    event.preventDefault();
-	    event.stopImmediatePropagation();
-
-	    var loc = _pointerLocGetter(event);
-	    var t, p, l;
-
-	    if (isPointer0) g.pointer0[0] = loc;
-	    else if (isPointer1) g.pointer1[0] = loc;
-
-	    t = _transform;
-	    if (g.pointer1) {
-	      var p0 = g.pointer0[0], l0 = g.pointer0[1],
-	          p1 = g.pointer1[0], l1 = g.pointer1[1],
-	          dp = (dp = p1[0] - p0[0]) * dp + (dp = p1[1] - p0[1]) * dp,
-	          dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl;
-	      t = scale(t, Math.sqrt(dp / dl));
-	      p = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2];
-	      l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
-	    } else if (g.pointer0) {
-	      p = g.pointer0[0];
-	      l = g.pointer0[1];
-	    }
-	    else return;
-	    g.zoom('touch', constrain(translate(t, p, l), g.extent, translateExtent));
-	  }
-
-	  function pointerup() {
-	    if (!_downPointerIDs.has(event.pointerId)) return;
-
-	    _downPointerIDs.delete(event.pointerId);
-
-	    if (!_activeGesture) return;
-
-	    var g = gesture(this, arguments);
-
-	    event.stopImmediatePropagation();
-
-	    if (g.pointer0 && g.pointer0[2] === event.pointerId) delete g.pointer0;
-	    else if (g.pointer1 && g.pointer1[2] === event.pointerId) delete g.pointer1;
-
-	    if (g.pointer1 && !g.pointer0) {
-	      g.pointer0 = g.pointer1;
-	      delete g.pointer1;
-	    }
-	    if (g.pointer0) g.pointer0[1] = _transform.invert(g.pointer0[0]);
-	    else {
-	      g.end();
-	    }
-	  }
-
-	  zoom.wheelDelta = function(_) {
-	    return arguments.length ? (wheelDelta = utilFunctor(+_), zoom) : wheelDelta;
-	  };
-
-	  zoom.filter = function(_) {
-	    return arguments.length ? (filter = utilFunctor(!!_), zoom) : filter;
-	  };
-
-	  zoom.extent = function(_) {
-	    return arguments.length ? (extent = utilFunctor([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent;
-	  };
-
-	  zoom.scaleExtent = function(_) {
-	    return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]];
-	  };
-
-	  zoom.translateExtent = function(_) {
-	    return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]];
-	  };
-
-	  zoom.constrain = function(_) {
-	    return arguments.length ? (constrain = _, zoom) : constrain;
-	  };
-
-	  zoom.interpolate = function(_) {
-	    return arguments.length ? (interpolate = _, zoom) : interpolate;
-	  };
-
-	  zoom._transform = function(_) {
-	    return arguments.length ? (_transform = _, zoom) : _transform;
-	  };
-
-	  zoom.on = function() {
-	    var value = listeners.on.apply(listeners, arguments);
-	    return value === listeners ? zoom : value;
-	  };
-
-	  return zoom;
-	}
-
-	// A custom double-click / double-tap event detector that works on touch devices
-	// if pointer events are supported. Falls back to default `dblclick` event.
-	function utilDoubleUp() {
-
-	    var dispatch$1 = dispatch('doubleUp');
-
-	    var _maxTimespan = 500; // milliseconds
-	    var _maxDistance = 20; // web pixels; be somewhat generous to account for touch devices
-	    var _pointer; // object representing the pointer that could trigger double up
-
-	    function pointerIsValidFor(loc) {
-	        // second pointerup must occur within a small timeframe after the first pointerdown
-	        return new Date().getTime() - _pointer.startTime <= _maxTimespan &&
-	            // all pointer events must occur within a small distance of the first pointerdown
-	            geoVecLength(_pointer.startLoc, loc) <= _maxDistance;
-	    }
-
-	    function pointerdown() {
-
-	        // ignore right-click
-	        if (event.ctrlKey || event.button === 2) return;
-
-	        var loc = [event.clientX, event.clientY];
-
-	        // Don't rely on pointerId here since it can change between pointerdown
-	        // events on touch devices
-	        if (_pointer && !pointerIsValidFor(loc)) {
-	            // if this pointer is no longer valid, clear it so another can be started
-	            _pointer = undefined;
-	        }
-
-	        if (!_pointer) {
-	            _pointer = {
-	                startLoc: loc,
-	                startTime: new Date().getTime(),
-	                upCount: 0,
-	                pointerId: event.pointerId
-	            };
-	        } else { // double down
-	            _pointer.pointerId = event.pointerId;
-	        }
-	    }
-
-	    function pointerup() {
-
-	        // ignore right-click
-	        if (event.ctrlKey || event.button === 2) return;
-
-	        if (!_pointer || _pointer.pointerId !== event.pointerId) return;
-
-	        _pointer.upCount += 1;
-
-	        if (_pointer.upCount === 2) { // double up!
-	            var loc = [event.clientX, event.clientY];
-	            if (pointerIsValidFor(loc)) {
-	                var locInThis = utilFastMouse(this)(event);
-	                dispatch$1.call('doubleUp', this, locInThis);
-	            }
-	            // clear the pointer info in any case
-	            _pointer = undefined;
-	        }
-	    }
-
-	    function doubleUp(selection) {
-	        if ('PointerEvent' in window) {
-	            // dblclick isn't well supported on touch devices so manually use
-	            // pointer events if they're available
-	            selection
-	                .on('pointerdown.doubleUp', pointerdown)
-	                .on('pointerup.doubleUp', pointerup);
-	        } else {
-	            // fallback to dblclick
-	            selection
-	                .on('dblclick.doubleUp', function() {
-	                    dispatch$1.call('doubleUp', this, utilFastMouse(this)(event));
-	                });
-	        }
-	    }
-
-	    doubleUp.off = function(selection) {
-	        selection
-	            .on('pointerdown.doubleUp', null)
-	            .on('pointerup.doubleUp', null)
-	            .on('dblclick.doubleUp', null);
-	    };
-
-	    return utilRebind(doubleUp, dispatch$1, 'on');
-	}
-
-	// constants
-	var TILESIZE = 256;
-	var minZoom = 2;
-	var maxZoom = 24;
-	var kMin = geoZoomToScale(minZoom, TILESIZE);
-	var kMax = geoZoomToScale(maxZoom, TILESIZE);
-
-	function clamp(num, min, max) {
-	    return Math.max(min, Math.min(num, max));
-	}
-
-
-	function rendererMap(context) {
-	    var dispatch$1 = dispatch(
-	        'move', 'drawn',
-	        'crossEditableZoom', 'hitMinZoom',
-	        'changeHighlighting', 'changeAreaFill'
-	    );
-	    var projection = context.projection;
-	    var curtainProjection = context.curtainProjection;
-	    var drawLayers;
-	    var drawPoints;
-	    var drawVertices;
-	    var drawLines;
-	    var drawAreas;
-	    var drawMidpoints;
-	    var drawLabels;
-
-	    var _selection = select(null);
-	    var supersurface = select(null);
-	    var wrapper = select(null);
-	    var surface = select(null);
-
-	    var _dimensions = [1, 1];
-	    var _dblClickZoomEnabled = true;
-	    var _redrawEnabled = true;
-	    var _gestureTransformStart;
-	    var _transformStart = projection.transform();
-	    var _transformLast;
-	    var _isTransformed = false;
-	    var _minzoom = 0;
-	    var _getMouseCoords;
-	    var _lastPointerEvent;
-	    var _lastWithinEditableZoom;
-
-	    // whether a pointerdown event started the zoom
-	    var _pointerDown = false;
-
-	    // use pointer events on supported platforms; fallback to mouse events
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-	    // use pointer event interaction if supported; fallback to touch/mouse events in d3-zoom
-	    var _zoomerPannerFunction = 'PointerEvent' in window ? utilZoomPan : d3_zoom;
-
-	    var _zoomerPanner = _zoomerPannerFunction()
-	        .scaleExtent([kMin, kMax])
-	        .interpolate(interpolate)
-	        .filter(zoomEventFilter)
-	        .on('zoom.map', zoomPan)
-	        .on('start.map', function() {
-	            _pointerDown = event.sourceEvent && event.sourceEvent.type === 'pointerdown';
-	        })
-	        .on('end.map', function() {
-	            _pointerDown = false;
-	        });
-	    var _doubleUpHandler = utilDoubleUp();
-
-	    var scheduleRedraw = throttle(redraw, 750);
-	    // var isRedrawScheduled = false;
-	    // var pendingRedrawCall;
-	    // function scheduleRedraw() {
-	    //     // Only schedule the redraw if one has not already been set.
-	    //     if (isRedrawScheduled) return;
-	    //     isRedrawScheduled = true;
-	    //     var that = this;
-	    //     var args = arguments;
-	    //     pendingRedrawCall = window.requestIdleCallback(function () {
-	    //         // Reset the boolean so future redraws can be set.
-	    //         isRedrawScheduled = false;
-	    //         redraw.apply(that, args);
-	    //     }, { timeout: 1400 });
-	    // }
-
-	    function cancelPendingRedraw() {
-	        scheduleRedraw.cancel();
-	        // isRedrawScheduled = false;
-	        // window.cancelIdleCallback(pendingRedrawCall);
-	    }
-
-
-	    function map(selection) {
-	        _selection = selection;
-
-	        context
-	            .on('change.map', immediateRedraw);
-
-	        var osm = context.connection();
-	        if (osm) {
-	            osm.on('change.map', immediateRedraw);
-	        }
-
-	        function didUndoOrRedo(targetTransform) {
-	            var mode = context.mode().id;
-	            if (mode !== 'browse' && mode !== 'select') return;
-	            if (targetTransform) {
-	                map.transformEase(targetTransform);
-	            }
-	        }
-
-	        context.history()
-	            .on('merge.map', function() { scheduleRedraw(); })
-	            .on('change.map', immediateRedraw)
-	            .on('undone.map', function(stack, fromStack) {
-	                didUndoOrRedo(fromStack.transform);
-	            })
-	            .on('redone.map', function(stack) {
-	                didUndoOrRedo(stack.transform);
-	            });
-
-	        context.background()
-	            .on('change.map', immediateRedraw);
-
-	        context.features()
-	            .on('redraw.map', immediateRedraw);
-
-	        drawLayers
-	            .on('change.map', function() {
-	                context.background().updateImagery();
-	                immediateRedraw();
-	            });
-
-	        selection
-	            .on('wheel.map mousewheel.map', function() {
-	                // disable swipe-to-navigate browser pages on trackpad/magic mouse – #5552
-	                event.preventDefault();
-	            })
-	            .call(_zoomerPanner)
-	            .call(_zoomerPanner.transform, projection.transform())
-	            .on('dblclick.zoom', null); // override d3-zoom dblclick handling
-
-	        map.supersurface = supersurface = selection.append('div')
-	            .attr('class', 'supersurface')
-	            .call(utilSetTransform, 0, 0);
-
-	        // Need a wrapper div because Opera can't cope with an absolutely positioned
-	        // SVG element: http://bl.ocks.org/jfirebaugh/6fbfbd922552bf776c16
-	        wrapper = supersurface
-	            .append('div')
-	            .attr('class', 'layer layer-data');
-
-	        map.surface = surface = wrapper
-	            .call(drawLayers)
-	            .selectAll('.surface');
-
-	        surface
-	            .call(drawLabels.observe)
-	            .call(_doubleUpHandler)
-	            .on(_pointerPrefix + 'down.zoom', function() {
-	                _lastPointerEvent = event;
-	                if (event.button === 2) {
-	                    event.stopPropagation();
-	                }
-	            }, true)
-	            .on(_pointerPrefix + 'up.zoom', function() {
-	                _lastPointerEvent = event;
-	                if (resetTransform()) {
-	                    immediateRedraw();
-	                }
-	            })
-	            .on(_pointerPrefix + 'move.map', function() {
-	                _lastPointerEvent = event;
-	            })
-	            .on(_pointerPrefix + 'over.vertices', function() {
-	                if (map.editableDataEnabled() && !_isTransformed) {
-	                    var hover = event.target.__data__;
-	                    surface.call(drawVertices.drawHover, context.graph(), hover, map.extent());
-	                    dispatch$1.call('drawn', this, { full: false });
-	                }
-	            })
-	            .on(_pointerPrefix + 'out.vertices', function() {
-	                if (map.editableDataEnabled() && !_isTransformed) {
-	                    var hover = event.relatedTarget && event.relatedTarget.__data__;
-	                    surface.call(drawVertices.drawHover, context.graph(), hover, map.extent());
-	                    dispatch$1.call('drawn', this, { full: false });
-	                }
-	            });
-
-	        var detected = utilDetect();
-
-	        // only WebKit supports gesture events
-	        if ('GestureEvent' in window &&
-	            // Listening for gesture events on iOS 13.4+ breaks double-tapping,
-	            // but we only need to do this on desktop Safari anyway. – #7694
-	            !detected.isMobileWebKit) {
-
-	            // Desktop Safari sends gesture events for multitouch trackpad pinches.
-	            // We can listen for these and translate them into map zooms.
-	            surface
-	                .on('gesturestart.surface', function() {
-	                    event.preventDefault();
-	                    _gestureTransformStart = projection.transform();
-	                })
-	                .on('gesturechange.surface', gestureChange);
-	        }
-
-	        // must call after surface init
-	        updateAreaFill();
-
-	        _doubleUpHandler.on('doubleUp.map', function(p0) {
-	            if (!_dblClickZoomEnabled) return;
-
-	            // don't zoom if targeting something other than the map itself
-	            if (typeof event.target.__data__ === 'object' &&
-	                // or area fills
-	                !select(event.target).classed('fill')) return;
-
-	            var zoomOut = event.shiftKey;
-
-	            var t = projection.transform();
-
-	            var p1 = t.invert(p0);
-
-	            t = t.scale(zoomOut ? 0.5 : 2);
-
-	            t.x = p0[0] - p1[0] * t.k;
-	            t.y = p0[1] - p1[1] * t.k;
-
-	            map.transformEase(t);
-	        });
-
-	        context.on('enter.map',  function() {
-	            if (!map.editableDataEnabled(true /* skip zoom check */)) return;
-
-	            // redraw immediately any objects affected by a change in selectedIDs.
-	            var graph = context.graph();
-	            var selectedAndParents = {};
-	            context.selectedIDs().forEach(function(id) {
-	                var entity = graph.hasEntity(id);
-	                if (entity) {
-	                    selectedAndParents[entity.id] = entity;
-	                    if (entity.type === 'node') {
-	                        graph.parentWays(entity).forEach(function(parent) {
-	                            selectedAndParents[parent.id] = parent;
-	                        });
-	                    }
-	                }
-	            });
-	            var data = Object.values(selectedAndParents);
-	            var filter = function(d) { return d.id in selectedAndParents; };
-
-	            data = context.features().filter(data, graph);
-
-	            surface
-	                .call(drawVertices.drawSelected, graph, map.extent())
-	                .call(drawLines, graph, data, filter)
-	                .call(drawAreas, graph, data, filter)
-	                .call(drawMidpoints, graph, data, filter, map.trimmedExtent());
-
-	            dispatch$1.call('drawn', this, { full: false });
-
-	            // redraw everything else later
-	            scheduleRedraw();
-	        });
-
-	        map.dimensions(utilGetDimensions(selection));
-	    }
-
-
-	    function zoomEventFilter() {
-	        // Fix for #2151, (see also d3/d3-zoom#60, d3/d3-brush#18)
-	        // Intercept `mousedown` and check if there is an orphaned zoom gesture.
-	        // This can happen if a previous `mousedown` occurred without a `mouseup`.
-	        // If we detect this, dispatch `mouseup` to complete the orphaned gesture,
-	        // so that d3-zoom won't stop propagation of new `mousedown` events.
-	        if (event.type === 'mousedown') {
-	            var hasOrphan = false;
-	            var listeners = window.__on;
-	            for (var i = 0; i < listeners.length; i++) {
-	                var listener = listeners[i];
-	                if (listener.name === 'zoom' && listener.type === 'mouseup') {
-	                    hasOrphan = true;
-	                    break;
-	                }
-	            }
-	            if (hasOrphan) {
-	                var event$1 = window.CustomEvent;
-	                if (event$1) {
-	                    event$1 = new event$1('mouseup');
-	                } else {
-	                    event$1 = window.document.createEvent('Event');
-	                    event$1.initEvent('mouseup', false, false);
-	                }
-	                // Event needs to be dispatched with an event.view property.
-	                event$1.view = window;
-	                window.dispatchEvent(event$1);
-	            }
-	        }
-
-	        return event.button !== 2;   // ignore right clicks
-	    }
-
-
-	    function pxCenter() {
-	        return [_dimensions[0] / 2, _dimensions[1] / 2];
-	    }
-
-
-	    function drawEditable(difference, extent) {
-	        var mode = context.mode();
-	        var graph = context.graph();
-	        var features = context.features();
-	        var all = context.history().intersects(map.extent());
-	        var fullRedraw = false;
-	        var data;
-	        var set;
-	        var filter;
-	        var applyFeatureLayerFilters = true;
-
-	        if (map.isInWideSelection()) {
-	            data = [];
-	            utilEntityAndDeepMemberIDs(mode.selectedIDs(), context.graph()).forEach(function(id) {
-	                var entity = context.hasEntity(id);
-	                if (entity) data.push(entity);
-	            });
-	            fullRedraw = true;
-	            filter = utilFunctor(true);
-	            // selected features should always be visible, so we can skip filtering
-	            applyFeatureLayerFilters = false;
-
-	        } else if (difference) {
-	            var complete = difference.complete(map.extent());
-	            data = Object.values(complete).filter(Boolean);
-	            set = new Set(Object.keys(complete));
-	            filter = function(d) { return set.has(d.id); };
-	            features.clear(data);
-
-	        } else {
-	            // force a full redraw if gatherStats detects that a feature
-	            // should be auto-hidden (e.g. points or buildings)..
-	            if (features.gatherStats(all, graph, _dimensions)) {
-	                extent = undefined;
-	            }
-
-	            if (extent) {
-	                data = context.history().intersects(map.extent().intersection(extent));
-	                set = new Set(data.map(function(entity) { return entity.id; }));
-	                filter = function(d) { return set.has(d.id); };
-
-	            } else {
-	                data = all;
-	                fullRedraw = true;
-	                filter = utilFunctor(true);
-	            }
-	        }
-
-	        if (applyFeatureLayerFilters) {
-	            data = features.filter(data, graph);
-	        } else {
-	            context.features().resetStats();
-	        }
-
-	        if (mode && mode.id === 'select') {
-	            // update selected vertices - the user might have just double-clicked a way,
-	            // creating a new vertex, triggering a partial redraw without a mode change
-	            surface.call(drawVertices.drawSelected, graph, map.extent());
-	        }
-
-	        surface
-	            .call(drawVertices, graph, data, filter, map.extent(), fullRedraw)
-	            .call(drawLines, graph, data, filter)
-	            .call(drawAreas, graph, data, filter)
-	            .call(drawMidpoints, graph, data, filter, map.trimmedExtent())
-	            .call(drawLabels, graph, data, filter, _dimensions, fullRedraw)
-	            .call(drawPoints, graph, data, filter);
-
-	        dispatch$1.call('drawn', this, {full: true});
-	    }
-
-	    map.init = function() {
-	        drawLayers = svgLayers(projection, context);
-	        drawPoints = svgPoints(projection, context);
-	        drawVertices = svgVertices(projection, context);
-	        drawLines = svgLines(projection, context);
-	        drawAreas = svgAreas(projection, context);
-	        drawMidpoints = svgMidpoints(projection, context);
-	        drawLabels = svgLabels(projection, context);
-	    };
-
-	    function editOff() {
-	        context.features().resetStats();
-	        surface.selectAll('.layer-osm *').remove();
-	        surface.selectAll('.layer-touch:not(.markers) *').remove();
-
-	        var allowed = {
-	            'browse': true,
-	            'save': true,
-	            'select-note': true,
-	            'select-data': true,
-	            'select-error': true
-	        };
-
-	        var mode = context.mode();
-	        if (mode && !allowed[mode.id]) {
-	            context.enter(modeBrowse(context));
-	        }
-
-	        dispatch$1.call('drawn', this, {full: true});
-	    }
-
-
-
-
-
-	    function gestureChange() {
-	        // Remap Safari gesture events to wheel events - #5492
-	        // We want these disabled most places, but enabled for zoom/unzoom on map surface
-	        // https://developer.mozilla.org/en-US/docs/Web/API/GestureEvent
-	        var e = event;
-	        e.preventDefault();
-
-	        var props = {
-	            deltaMode: 0,    // dummy values to ignore in zoomPan
-	            deltaY: 1,       // dummy values to ignore in zoomPan
-	            clientX: e.clientX,
-	            clientY: e.clientY,
-	            screenX: e.screenX,
-	            screenY: e.screenY,
-	            x: e.x,
-	            y: e.y
-	        };
-
-	        var e2 = new WheelEvent('wheel', props);
-	        e2._scale = e.scale;         // preserve the original scale
-	        e2._rotation = e.rotation;   // preserve the original rotation
-
-	        _selection.node().dispatchEvent(e2);
-	    }
-
-
-	    function zoomPan(manualEvent) {
-	        var event$1 = (manualEvent || event);
-	        var source = event$1.sourceEvent;
-	        var eventTransform = event$1.transform;
-	        var x = eventTransform.x;
-	        var y = eventTransform.y;
-	        var k = eventTransform.k;
-
-	        // Special handling of 'wheel' events:
-	        // They might be triggered by the user scrolling the mouse wheel,
-	        // or 2-finger pinch/zoom gestures, the transform may need adjustment.
-	        if (source && source.type === 'wheel') {
-
-	            // assume that the gesture is already handled by pointer events
-	            if (_pointerDown) return;
-
-	            var detected = utilDetect();
-	            var dX = source.deltaX;
-	            var dY = source.deltaY;
-	            var x2 = x;
-	            var y2 = y;
-	            var k2 = k;
-	            var t0, p0, p1;
-
-	            // Normalize mousewheel scroll speed (Firefox) - #3029
-	            // If wheel delta is provided in LINE units, recalculate it in PIXEL units
-	            // We are essentially redoing the calculations that occur here:
-	            //   https://github.com/d3/d3-zoom/blob/78563a8348aa4133b07cac92e2595c2227ca7cd7/src/zoom.js#L203
-	            // See this for more info:
-	            //   https://github.com/basilfx/normalize-wheel/blob/master/src/normalizeWheel.js
-	            if (source.deltaMode === 1 /* LINE */) {
-	                // Convert from lines to pixels, more if the user is scrolling fast.
-	                // (I made up the exp function to roughly match Firefox to what Chrome does)
-	                // These numbers should be floats, because integers are treated as pan gesture below.
-	                var lines = Math.abs(source.deltaY);
-	                var sign = (source.deltaY > 0) ? 1 : -1;
-	                dY = sign * clamp(
-	                    Math.exp((lines - 1) * 0.75) * 4.000244140625,
-	                    4.000244140625,    // min
-	                    350.000244140625   // max
-	                );
-
-	                // On Firefox Windows and Linux we always get +/- the scroll line amount (default 3)
-	                // There doesn't seem to be any scroll accelleration.
-	                // This multiplier increases the speed a little bit - #5512
-	                if (detected.os !== 'mac') {
-	                    dY *= 5;
-	                }
-
-	                // recalculate x2,y2,k2
-	                t0 = _isTransformed ? _transformLast : _transformStart;
-	                p0 = _getMouseCoords(source);
-	                p1 = t0.invert(p0);
-	                k2 = t0.k * Math.pow(2, -dY / 500);
-	                k2 = clamp(k2, kMin, kMax);
-	                x2 = p0[0] - p1[0] * k2;
-	                y2 = p0[1] - p1[1] * k2;
-
-	            // 2 finger map pinch zooming (Safari) - #5492
-	            // These are fake `wheel` events we made from Safari `gesturechange` events..
-	            } else if (source._scale) {
-	                // recalculate x2,y2,k2
-	                t0 = _gestureTransformStart;
-	                p0 = _getMouseCoords(source);
-	                p1 = t0.invert(p0);
-	                k2 = t0.k * source._scale;
-	                k2 = clamp(k2, kMin, kMax);
-	                x2 = p0[0] - p1[0] * k2;
-	                y2 = p0[1] - p1[1] * k2;
-
-	            // 2 finger map pinch zooming (all browsers except Safari) - #5492
-	            // Pinch zooming via the `wheel` event will always have:
-	            // - `ctrlKey = true`
-	            // - `deltaY` is not round integer pixels (ignore `deltaX`)
-	            } else if (source.ctrlKey && !isInteger(dY)) {
-	                dY *= 6;   // slightly scale up whatever the browser gave us
-
-	                // recalculate x2,y2,k2
-	                t0 = _isTransformed ? _transformLast : _transformStart;
-	                p0 = _getMouseCoords(source);
-	                p1 = t0.invert(p0);
-	                k2 = t0.k * Math.pow(2, -dY / 500);
-	                k2 = clamp(k2, kMin, kMax);
-	                x2 = p0[0] - p1[0] * k2;
-	                y2 = p0[1] - p1[1] * k2;
-
-	            // Trackpad scroll zooming with shift or alt/option key down
-	            } else if ((source.altKey || source.shiftKey) && isInteger(dY)) {
-	                // recalculate x2,y2,k2
-	                t0 = _isTransformed ? _transformLast : _transformStart;
-	                p0 = _getMouseCoords(source);
-	                p1 = t0.invert(p0);
-	                k2 = t0.k * Math.pow(2, -dY / 500);
-	                k2 = clamp(k2, kMin, kMax);
-	                x2 = p0[0] - p1[0] * k2;
-	                y2 = p0[1] - p1[1] * k2;
-
-	            // 2 finger map panning (Mac only, all browsers) - #5492, #5512
-	            // Panning via the `wheel` event will always have:
-	            // - `ctrlKey = false`
-	            // - `deltaX`,`deltaY` are round integer pixels
-	            } else if (detected.os === 'mac' && !source.ctrlKey && isInteger(dX) && isInteger(dY)) {
-	                p1 = projection.translate();
-	                x2 = p1[0] - dX;
-	                y2 = p1[1] - dY;
-	                k2 = projection.scale();
-	                k2 = clamp(k2, kMin, kMax);
-	            }
-
-	            // something changed - replace the event transform
-	            if (x2 !== x || y2 !== y || k2 !== k) {
-	                x = x2;
-	                y = y2;
-	                k = k2;
-	                eventTransform = identity$2.translate(x2, y2).scale(k2);
-	                if (_zoomerPanner._transform) {
-	                    // utilZoomPan interface
-	                    _zoomerPanner._transform(eventTransform);
-	                } else {
-	                    // d3_zoom interface
-	                    _selection.node().__zoom = eventTransform;
-	                }
-	            }
-
-	        }
-
-	        if (_transformStart.x === x &&
-	            _transformStart.y === y &&
-	            _transformStart.k === k) {
-	            return;  // no change
-	        }
-
-	        var withinEditableZoom = map.withinEditableZoom();
-	        if (_lastWithinEditableZoom !== withinEditableZoom) {
-	            if (_lastWithinEditableZoom !== undefined) {
-	                // notify that the map zoomed in or out over the editable zoom threshold
-	                dispatch$1.call('crossEditableZoom', this, withinEditableZoom);
-	            }
-	            _lastWithinEditableZoom = withinEditableZoom;
-	        }
-
-	        if (geoScaleToZoom(k, TILESIZE) < _minzoom) {
-	            surface.interrupt();
-	            dispatch$1.call('hitMinZoom', this, map);
-	            setCenterZoom(map.center(), context.minEditableZoom(), 0, true);
-	            scheduleRedraw();
-	            dispatch$1.call('move', this, map);
-	            return;
-	        }
-
-	        projection.transform(eventTransform);
-
-	        var scale = k / _transformStart.k;
-	        var tX = (x / scale - _transformStart.x) * scale;
-	        var tY = (y / scale - _transformStart.y) * scale;
-
-	        if (context.inIntro()) {
-	            curtainProjection.transform({
-	                x: x - tX,
-	                y: y - tY,
-	                k: k
-	            });
-	        }
-
-	        if (source) {
-	            _lastPointerEvent = event$1;
-	        }
-	        _isTransformed = true;
-	        _transformLast = eventTransform;
-	        utilSetTransform(supersurface, tX, tY, scale);
-	        scheduleRedraw();
-
-	        dispatch$1.call('move', this, map);
-
-
-	        function isInteger(val) {
-	            return typeof val === 'number' && isFinite(val) && Math.floor(val) === val;
-	        }
-	    }
-
-
-	    function resetTransform() {
-	        if (!_isTransformed) return false;
-
-	        utilSetTransform(supersurface, 0, 0);
-	        _isTransformed = false;
-	        if (context.inIntro()) {
-	            curtainProjection.transform(projection.transform());
-	        }
-	        return true;
-	    }
-
-
-	    function redraw(difference, extent) {
-	        if (surface.empty() || !_redrawEnabled) return;
-
-	        // If we are in the middle of a zoom/pan, we can't do differenced redraws.
-	        // It would result in artifacts where differenced entities are redrawn with
-	        // one transform and unchanged entities with another.
-	        if (resetTransform()) {
-	            difference = extent = undefined;
-	        }
-
-	        var zoom = map.zoom();
-	        var z = String(~~zoom);
-
-	        if (surface.attr('data-zoom') !== z) {
-	            surface.attr('data-zoom', z);
-	        }
-
-	        // class surface as `lowzoom` around z17-z18.5 (based on latitude)
-	        var lat = map.center()[1];
-	        var lowzoom = linear$2()
-	            .domain([-60, 0, 60])
-	            .range([17, 18.5, 17])
-	            .clamp(true);
-
-	        surface
-	            .classed('low-zoom', zoom <= lowzoom(lat));
-
-
-	        if (!difference) {
-	            supersurface.call(context.background());
-	            wrapper.call(drawLayers);
-	        }
-
-	        // OSM
-	        if (map.editableDataEnabled() || map.isInWideSelection()) {
-	            context.loadTiles(projection);
-	            drawEditable(difference, extent);
-	        } else {
-	            editOff();
-	        }
-
-	        _transformStart = projection.transform();
-
-	        return map;
-	    }
-
-
-
-	    var immediateRedraw = function(difference, extent) {
-	        if (!difference && !extent) cancelPendingRedraw();
-	        redraw(difference, extent);
-	    };
-
-
-	    map.lastPointerEvent = function() {
-	        return _lastPointerEvent;
-	    };
-
-
-	    map.mouse = function() {
-	        var event$1 = _lastPointerEvent || event;
-	        if (event$1) {
-	            var s;
-	            while ((s = event$1.sourceEvent)) { event$1 = s; }
-	            return _getMouseCoords(event$1);
-	        }
-	        return null;
-	    };
-
-
-	    // returns Lng/Lat
-	    map.mouseCoordinates = function() {
-	        var coord = map.mouse() || pxCenter();
-	        return projection.invert(coord);
-	    };
-
-
-	    map.dblclickZoomEnable = function(val) {
-	        if (!arguments.length) return _dblClickZoomEnabled;
-	        _dblClickZoomEnabled = val;
-	        return map;
-	    };
-
-
-	    map.redrawEnable = function(val) {
-	        if (!arguments.length) return _redrawEnabled;
-	        _redrawEnabled = val;
-	        return map;
-	    };
-
-
-	    map.isTransformed = function() {
-	        return _isTransformed;
-	    };
-
-
-	    function setTransform(t2, duration, force) {
-	        var t = projection.transform();
-	        if (!force && t2.k === t.k && t2.x === t.x && t2.y === t.y) return false;
-
-	        if (duration) {
-	            _selection
-	                .transition()
-	                .duration(duration)
-	                .on('start', function() { map.startEase(); })
-	                .call(_zoomerPanner.transform, identity$2.translate(t2.x, t2.y).scale(t2.k));
-	        } else {
-	            projection.transform(t2);
-	            _transformStart = t2;
-	            _selection.call(_zoomerPanner.transform, _transformStart);
-	        }
-
-	        return true;
-	    }
-
-
-	    function setCenterZoom(loc2, z2, duration, force) {
-	        var c = map.center();
-	        var z = map.zoom();
-	        if (loc2[0] === c[0] && loc2[1] === c[1] && z2 === z && !force) return false;
-
-	        var proj = geoRawMercator().transform(projection.transform());  // copy projection
-
-	        var k2 = clamp(geoZoomToScale(z2, TILESIZE), kMin, kMax);
-	        proj.scale(k2);
-
-	        var t = proj.translate();
-	        var point = proj(loc2);
-
-	        var center = pxCenter();
-	        t[0] += center[0] - point[0];
-	        t[1] += center[1] - point[1];
-
-	        return setTransform(identity$2.translate(t[0], t[1]).scale(k2), duration, force);
-	    }
-
-
-	    map.pan = function(delta, duration) {
-	        var t = projection.translate();
-	        var k = projection.scale();
-
-	        t[0] += delta[0];
-	        t[1] += delta[1];
-
-	        if (duration) {
-	            _selection
-	                .transition()
-	                .duration(duration)
-	                .on('start', function() { map.startEase(); })
-	                .call(_zoomerPanner.transform, identity$2.translate(t[0], t[1]).scale(k));
-	        } else {
-	            projection.translate(t);
-	            _transformStart = projection.transform();
-	            _selection.call(_zoomerPanner.transform, _transformStart);
-	            dispatch$1.call('move', this, map);
-	            immediateRedraw();
-	        }
-
-	        return map;
-	    };
-
-
-	    map.dimensions = function(val) {
-	        if (!arguments.length) return _dimensions;
-
-	        _dimensions = val;
-	        drawLayers.dimensions(_dimensions);
-	        context.background().dimensions(_dimensions);
-	        projection.clipExtent([[0, 0], _dimensions]);
-	        _getMouseCoords = utilFastMouse(supersurface.node());
-
-	        scheduleRedraw();
-	        return map;
-	    };
-
-
-	    function zoomIn(delta) {
-	        setCenterZoom(map.center(), ~~map.zoom() + delta, 250, true);
-	    }
-
-	    function zoomOut(delta) {
-	        setCenterZoom(map.center(), ~~map.zoom() - delta, 250, true);
-	    }
-
-	    map.zoomIn = function() { zoomIn(1); };
-	    map.zoomInFurther = function() { zoomIn(4); };
-	    map.canZoomIn = function() { return map.zoom() < maxZoom; };
-
-	    map.zoomOut = function() { zoomOut(1); };
-	    map.zoomOutFurther = function() { zoomOut(4); };
-	    map.canZoomOut = function() { return map.zoom() > minZoom; };
-
-	    map.center = function(loc2) {
-	        if (!arguments.length) {
-	            return projection.invert(pxCenter());
-	        }
-
-	        if (setCenterZoom(loc2, map.zoom())) {
-	            dispatch$1.call('move', this, map);
-	        }
-
-	        scheduleRedraw();
-	        return map;
-	    };
-
-	    map.unobscuredCenterZoomEase = function(loc, zoom) {
-	        var offset = map.unobscuredOffsetPx();
-
-	        var proj = geoRawMercator().transform(projection.transform());  // copy projection
-	        // use the target zoom to calculate the offset center
-	        proj.scale(geoZoomToScale(zoom, TILESIZE));
-
-	        var locPx = proj(loc);
-	        var offsetLocPx = [locPx[0] + offset[0], locPx[1] + offset[1]];
-	        var offsetLoc = proj.invert(offsetLocPx);
-
-	        map.centerZoomEase(offsetLoc, zoom);
-	    };
-
-	    map.unobscuredOffsetPx = function() {
-	        var openPane = context.container().select('.map-panes .map-pane.shown');
-	        if (!openPane.empty()) {
-	            return [openPane.node().offsetWidth/2, 0];
-	        }
-	        return [0, 0];
-	    };
-
-	    map.zoom = function(z2) {
-	        if (!arguments.length) {
-	            return Math.max(geoScaleToZoom(projection.scale(), TILESIZE), 0);
-	        }
-
-	        if (z2 < _minzoom) {
-	            surface.interrupt();
-	            dispatch$1.call('hitMinZoom', this, map);
-	            z2 = context.minEditableZoom();
-	        }
-
-	        if (setCenterZoom(map.center(), z2)) {
-	            dispatch$1.call('move', this, map);
-	        }
-
-	        scheduleRedraw();
-	        return map;
-	    };
-
-
-	    map.centerZoom = function(loc2, z2) {
-	        if (setCenterZoom(loc2, z2)) {
-	            dispatch$1.call('move', this, map);
-	        }
-
-	        scheduleRedraw();
-	        return map;
-	    };
-
-
-	    map.zoomTo = function(entity) {
-	        var extent = entity.extent(context.graph());
-	        if (!isFinite(extent.area())) return map;
-
-	        var z2 = clamp(map.trimmedExtentZoom(extent), 0, 20);
-	        return map.centerZoom(extent.center(), z2);
-	    };
-
-
-	    map.centerEase = function(loc2, duration) {
-	        duration = duration || 250;
-	        setCenterZoom(loc2, map.zoom(), duration);
-	        return map;
-	    };
-
-
-	    map.zoomEase = function(z2, duration) {
-	        duration = duration || 250;
-	        setCenterZoom(map.center(), z2, duration, false);
-	        return map;
-	    };
-
-
-	    map.centerZoomEase = function(loc2, z2, duration) {
-	        duration = duration || 250;
-	        setCenterZoom(loc2, z2, duration, false);
-	        return map;
-	    };
-
-
-	    map.transformEase = function(t2, duration) {
-	        duration = duration || 250;
-	        setTransform(t2, duration, false /* don't force */);
-	        return map;
-	    };
-
-
-	    map.zoomToEase = function(obj, duration) {
-	        var extent;
-	        if (Array.isArray(obj)) {
-	            obj.forEach(function(entity) {
-	                var entityExtent = entity.extent(context.graph());
-	                if (!extent) {
-	                    extent = entityExtent;
-	                } else {
-	                    extent = extent.extend(entityExtent);
-	                }
-	            });
-	        } else {
-	            extent = obj.extent(context.graph());
-	        }
-	        if (!isFinite(extent.area())) return map;
-
-	        var z2 = clamp(map.trimmedExtentZoom(extent), 0, 20);
-	        return map.centerZoomEase(extent.center(), z2, duration);
-	    };
-
-
-	    map.startEase = function() {
-	        utilBindOnce(surface, _pointerPrefix + 'down.ease', function() {
-	            map.cancelEase();
-	        });
-	        return map;
-	    };
-
-
-	    map.cancelEase = function() {
-	        _selection.interrupt();
-	        return map;
-	    };
-
-
-	    map.extent = function(val) {
-	        if (!arguments.length) {
-	            return new geoExtent(
-	                projection.invert([0, _dimensions[1]]),
-	                projection.invert([_dimensions[0], 0])
-	            );
-	        } else {
-	            var extent = geoExtent(val);
-	            map.centerZoom(extent.center(), map.extentZoom(extent));
-	        }
-	    };
-
-
-	    map.trimmedExtent = function(val) {
-	        if (!arguments.length) {
-	            var headerY = 71;
-	            var footerY = 30;
-	            var pad = 10;
-	            return new geoExtent(
-	                projection.invert([pad, _dimensions[1] - footerY - pad]),
-	                projection.invert([_dimensions[0] - pad, headerY + pad])
-	            );
-	        } else {
-	            var extent = geoExtent(val);
-	            map.centerZoom(extent.center(), map.trimmedExtentZoom(extent));
-	        }
-	    };
-
-
-	    function calcExtentZoom(extent, dim) {
-	        var tl = projection([extent[0][0], extent[1][1]]);
-	        var br = projection([extent[1][0], extent[0][1]]);
-
-	        // Calculate maximum zoom that fits extent
-	        var hFactor = (br[0] - tl[0]) / dim[0];
-	        var vFactor = (br[1] - tl[1]) / dim[1];
-	        var hZoomDiff = Math.log(Math.abs(hFactor)) / Math.LN2;
-	        var vZoomDiff = Math.log(Math.abs(vFactor)) / Math.LN2;
-	        var newZoom = map.zoom() - Math.max(hZoomDiff, vZoomDiff);
-
-	        return newZoom;
-	    }
-
-
-	    map.extentZoom = function(val) {
-	        return calcExtentZoom(geoExtent(val), _dimensions);
-	    };
-
-
-	    map.trimmedExtentZoom = function(val) {
-	        var trimY = 120;
-	        var trimX = 40;
-	        var trimmed = [_dimensions[0] - trimX, _dimensions[1] - trimY];
-	        return calcExtentZoom(geoExtent(val), trimmed);
-	    };
-
-
-	    map.withinEditableZoom = function() {
-	        return map.zoom() >= context.minEditableZoom();
-	    };
-
-
-	    map.isInWideSelection = function() {
-	        return !map.withinEditableZoom() && context.selectedIDs().length;
-	    };
-
-
-	    map.editableDataEnabled = function(skipZoomCheck) {
-
-	        var layer = context.layers().layer('osm');
-	        if (!layer || !layer.enabled()) return false;
-
-	        return skipZoomCheck || map.withinEditableZoom();
-	    };
-
-
-	    map.notesEditable = function() {
-	        var layer = context.layers().layer('notes');
-	        if (!layer || !layer.enabled()) return false;
-
-	        return map.withinEditableZoom();
-	    };
-
-
-	    map.minzoom = function(val) {
-	        if (!arguments.length) return _minzoom;
-	        _minzoom = val;
-	        return map;
-	    };
-
-
-	    map.toggleHighlightEdited = function() {
-	        surface.classed('highlight-edited', !surface.classed('highlight-edited'));
-	        map.pan([0,0]);  // trigger a redraw
-	        dispatch$1.call('changeHighlighting', this);
-	    };
-
-
-	    map.areaFillOptions = ['wireframe', 'partial', 'full'];
-
-	    map.activeAreaFill = function(val) {
-	        if (!arguments.length) return corePreferences('area-fill') || 'partial';
-
-	        corePreferences('area-fill', val);
-	        if (val !== 'wireframe') {
-	            corePreferences('area-fill-toggle', val);
-	        }
-	        updateAreaFill();
-	        map.pan([0,0]);  // trigger a redraw
-	        dispatch$1.call('changeAreaFill', this);
-	        return map;
-	    };
-
-	    map.toggleWireframe = function() {
-
-	        var activeFill = map.activeAreaFill();
-
-	        if (activeFill === 'wireframe') {
-	            activeFill = corePreferences('area-fill-toggle') || 'partial';
-	        } else {
-	            activeFill = 'wireframe';
-	        }
-
-	        map.activeAreaFill(activeFill);
-	    };
-
-	    function updateAreaFill() {
-	        var activeFill = map.activeAreaFill();
-	        map.areaFillOptions.forEach(function(opt) {
-	            surface.classed('fill-' + opt, Boolean(opt === activeFill));
-	        });
-	    }
-
-
-	    map.layers = () => drawLayers;
-
-
-	    map.doubleUpHandler = function() {
-	        return _doubleUpHandler;
-	    };
-
-
-	    return utilRebind(map, dispatch$1, 'on');
-	}
-
-	function rendererPhotos(context) {
-	    var dispatch$1 = dispatch('change');
-	    var _layerIDs = ['streetside', 'mapillary', 'mapillary-map-features', 'mapillary-signs', 'openstreetcam'];
-	    var _allPhotoTypes = ['flat', 'panoramic'];
-	    var _shownPhotoTypes = _allPhotoTypes.slice();   // shallow copy
-
-	    function photos() {}
-
-	    function updateStorage() {
-	        if (window.mocha) return;
-
-	        var hash = utilStringQs(window.location.hash);
-	        var enabled = context.layers().all().filter(function(d) {
-	            return _layerIDs.indexOf(d.id) !== -1 && d.layer && d.layer.supported() && d.layer.enabled();
-	        }).map(function(d) {
-	            return d.id;
-	        });
-	        if (enabled.length) {
-	            hash.photo_overlay = enabled.join(',');
-	        } else {
-	            delete hash.photo_overlay;
-	        }
-	        window.location.replace('#' + utilQsString(hash, true));
-	    }
-
-	    photos.overlayLayerIDs = function() {
-	        return _layerIDs;
-	    };
-
-	    photos.allPhotoTypes = function() {
-	        return _allPhotoTypes;
-	    };
-
-	    function showsLayer(id) {
-	        var layer = context.layers().layer(id);
-	        return layer && layer.supported() && layer.enabled();
-	    }
-
-	    photos.shouldFilterByPhotoType = function() {
-	        return showsLayer('mapillary') ||
-	            (showsLayer('streetside') && showsLayer('openstreetcam'));
-	    };
-
-	    photos.showsPhotoType = function(val) {
-	        if (!photos.shouldFilterByPhotoType()) return true;
-
-	        return _shownPhotoTypes.indexOf(val) !== -1;
-	    };
-
-	    photos.showsFlat = function() {
-	        return photos.showsPhotoType('flat');
-	    };
-
-	    photos.showsPanoramic = function() {
-	        return photos.showsPhotoType('panoramic');
-	    };
-
-	    photos.togglePhotoType = function(val) {
-	        var index = _shownPhotoTypes.indexOf(val);
-	        if (index !== -1) {
-	            _shownPhotoTypes.splice(index, 1);
-	        } else {
-	            _shownPhotoTypes.push(val);
-	        }
-	        dispatch$1.call('change', this);
-	        return photos;
-	    };
-
-	    photos.init = function() {
-	        var hash = utilStringQs(window.location.hash);
-	        if (hash.photo_overlay) {
-	            var hashOverlayIDs = hash.photo_overlay.replace(/;/g, ',').split(',');
-	            hashOverlayIDs.forEach(function(id) {
-	                var layer = context.layers().layer(id);
-	                if (layer) layer.enabled(true);
-	            });
-	        }
-
-	        context.layers().on('change.rendererPhotos', updateStorage);
-	    };
-
-	    return utilRebind(photos, dispatch$1, 'on');
-	}
-
-	function uiAccount(context) {
-	    var osm = context.connection();
-
-
-	    function update(selection) {
-	        if (!osm) return;
-
-	        if (!osm.authenticated()) {
-	            selection.selectAll('.userLink, .logoutLink')
-	                .classed('hide', true);
-	            return;
-	        }
-
-	        osm.userDetails(function(err, details) {
-	            var userLink = selection.select('.userLink'),
-	                logoutLink = selection.select('.logoutLink');
-
-	            userLink.html('');
-	            logoutLink.html('');
-
-	            if (err || !details) return;
-
-	            selection.selectAll('.userLink, .logoutLink')
-	                .classed('hide', false);
-
-	            // Link
-	            userLink.append('a')
-	                .attr('href', osm.userURL(details.display_name))
-	                .attr('target', '_blank');
-
-	            // Add thumbnail or dont
-	            if (details.image_url) {
-	                userLink.append('img')
-	                    .attr('class', 'icon pre-text user-icon')
-	                    .attr('src', details.image_url);
-	            } else {
-	                userLink
-	                    .call(svgIcon('#iD-icon-avatar', 'pre-text light'));
-	            }
-
-	            // Add user name
-	            userLink.append('span')
-	                .attr('class', 'label')
-	                .text(details.display_name);
-
-	            logoutLink.append('a')
-	                .attr('class', 'logout')
-	                .attr('href', '#')
-	                .text(_t('logout'))
-	                .on('click.logout', function() {
-	                    event.preventDefault();
-	                    osm.logout();
-	                });
-	        });
-	    }
-
-
-	    return function(selection) {
-	        selection.append('li')
-	            .attr('class', 'logoutLink')
-	            .classed('hide', true);
-
-	        selection.append('li')
-	            .attr('class', 'userLink')
-	            .classed('hide', true);
-
-	        if (osm) {
-	            osm.on('change.account', function() { update(selection); });
-	            update(selection);
-	        }
-	    };
-	}
-
-	function uiAttribution(context) {
-	  let _selection = select(null);
-
-
-	  function render(selection, data, klass) {
-	    let div = selection.selectAll(`.${klass}`)
-	      .data([0]);
-
-	    div = div.enter()
-	      .append('div')
-	      .attr('class', klass)
-	      .merge(div);
-
-
-	    let attributions = div.selectAll('.attribution')
-	      .data(data, d => d.id);
-
-	    attributions.exit()
-	      .remove();
-
-	    attributions = attributions.enter()
-	      .append('span')
-	      .attr('class', 'attribution')
-	      .each((d, i, nodes) => {
-	        let attribution = select(nodes[i]);
-
-	        if (d.terms_html) {
-	          attribution.html(d.terms_html);
-	          return;
-	        }
-
-	        if (d.terms_url) {
-	          attribution = attribution
-	            .append('a')
-	            .attr('href', d.terms_url)
-	            .attr('target', '_blank');
-	        }
-
-	        const sourceID = d.id.replace(/\./g, '<TX_DOT>');
-	        const terms_text = _t(`imagery.${sourceID}.attribution.text`,
-	          { default: d.terms_text || d.id || d.name() }
-	        );
-
-	        if (d.icon && !d.overlay) {
-	          attribution
-	            .append('img')
-	            .attr('class', 'source-image')
-	            .attr('src', d.icon);
-	        }
-
-	        attribution
-	          .append('span')
-	          .attr('class', 'attribution-text')
-	          .text(terms_text);
-	      })
-	      .merge(attributions);
-
-
-	    let copyright = attributions.selectAll('.copyright-notice')
-	      .data(d => {
-	        let notice = d.copyrightNotices(context.map().zoom(), context.map().extent());
-	        return notice ? [notice] : [];
-	      });
-
-	    copyright.exit()
-	      .remove();
-
-	    copyright = copyright.enter()
-	      .append('span')
-	      .attr('class', 'copyright-notice')
-	      .merge(copyright);
-
-	    copyright
-	      .text(String);
-	  }
-
-
-	  function update() {
-	    let baselayer = context.background().baseLayerSource();
-	    _selection
-	      .call(render, (baselayer ? [baselayer] : []), 'base-layer-attribution');
-
-	    const z = context.map().zoom();
-	    let overlays = context.background().overlayLayerSources() || [];
-	    _selection
-	      .call(render, overlays.filter(s => s.validZoom(z)), 'overlay-layer-attribution');
-	  }
-
-
-	  return function(selection) {
-	    _selection = selection;
-
-	    context.background()
-	      .on('change.attribution', update);
-
-	    context.map()
-	      .on('move.attribution', throttle(update, 400, { leading: false }));
-
-	    update();
-	  };
-	}
-
-	function uiContributors(context) {
-	    var osm = context.connection(),
-	        debouncedUpdate = debounce(function() { update(); }, 1000),
-	        limit = 4,
-	        hidden = false,
-	        wrap = select(null);
-
-
-	    function update() {
-	        if (!osm) return;
-
-	        var users = {},
-	            entities = context.history().intersects(context.map().extent());
-
-	        entities.forEach(function(entity) {
-	            if (entity && entity.user) users[entity.user] = true;
-	        });
-
-	        var u = Object.keys(users),
-	            subset = u.slice(0, u.length > limit ? limit - 1 : limit);
-
-	        wrap.html('')
-	            .call(svgIcon('#iD-icon-nearby', 'pre-text light'));
-
-	        var userList = select(document.createElement('span'));
-
-	        userList.selectAll()
-	            .data(subset)
-	            .enter()
-	            .append('a')
-	            .attr('class', 'user-link')
-	            .attr('href', function(d) { return osm.userURL(d); })
-	            .attr('target', '_blank')
-	            .text(String);
-
-	        if (u.length > limit) {
-	            var count = select(document.createElement('span'));
-
-	            count.append('a')
-	                .attr('target', '_blank')
-	                .attr('href', function() {
-	                    return osm.changesetsURL(context.map().center(), context.map().zoom());
-	                })
-	                .text(u.length - limit + 1);
-
-	            wrap.append('span')
-	                .html(_t('contributors.truncated_list', { users: userList.html(), count: count.html() }));
-
-	        } else {
-	            wrap.append('span')
-	                .html(_t('contributors.list', { users: userList.html() }));
-	        }
-
-	        if (!u.length) {
-	            hidden = true;
-	            wrap
-	                .transition()
-	                .style('opacity', 0);
-
-	        } else if (hidden) {
-	            wrap
-	                .transition()
-	                .style('opacity', 1);
-	        }
-	    }
-
-
-	    return function(selection) {
-	        if (!osm) return;
-	        wrap = selection;
-	        update();
-
-	        osm.on('loaded.contributors', debouncedUpdate);
-	        context.map().on('move.contributors', debouncedUpdate);
-	    };
-	}
-
-	var _popoverID = 0;
-
-	function uiPopover(klass) {
-	    var _id = _popoverID++;
-	    var _anchorSelection = select(null);
-	    var popover = function(selection) {
-	        _anchorSelection = selection;
-	        selection.each(setup);
-	    };
-	    var _animation = utilFunctor(false);
-	    var _placement = utilFunctor('top'); // top, bottom, left, right
-	    var _alignment = utilFunctor('center');  // leading, center, trailing
-	    var _scrollContainer = utilFunctor(select(null));
-	    var _content;
-	    var _displayType = utilFunctor('');
-	    var _hasArrow = utilFunctor(true);
-
-	    // use pointer events on supported platforms; fallback to mouse events
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-	    popover.displayType = function(val) {
-	        if (arguments.length) {
-	            _displayType = utilFunctor(val);
-	            return popover;
-	        } else {
-	            return _displayType;
-	        }
-	    };
-
-	    popover.hasArrow = function(val) {
-	        if (arguments.length) {
-	            _hasArrow = utilFunctor(val);
-	            return popover;
-	        } else {
-	            return _hasArrow;
-	        }
-	    };
-
-	    popover.placement = function(val) {
-	        if (arguments.length) {
-	            _placement = utilFunctor(val);
-	            return popover;
-	        } else {
-	            return _placement;
-	        }
-	    };
-
-	    popover.alignment = function(val) {
-	        if (arguments.length) {
-	            _alignment = utilFunctor(val);
-	            return popover;
-	        } else {
-	            return _alignment;
-	        }
-	    };
-
-	    popover.scrollContainer = function(val) {
-	        if (arguments.length) {
-	            _scrollContainer = utilFunctor(val);
-	            return popover;
-	        } else {
-	            return _scrollContainer;
-	        }
-	    };
-
-	    popover.content = function(val) {
-	        if (arguments.length) {
-	            _content = val;
-	            return popover;
-	        } else {
-	            return _content;
-	        }
-	    };
-
-	    popover.isShown = function() {
-	        var popoverSelection = _anchorSelection.select('.popover-' + _id);
-	        return !popoverSelection.empty() && popoverSelection.classed('in');
-	    };
-
-	    popover.show = function() {
-	        _anchorSelection.each(show);
-	    };
-
-	    popover.updateContent = function() {
-	        _anchorSelection.each(updateContent);
-	    };
-
-	    popover.hide = function() {
-	        _anchorSelection.each(hide);
-	    };
-
-	    popover.toggle = function() {
-	        _anchorSelection.each(toggle);
-	    };
-
-	    popover.destroy = function(selection, selector) {
-	        // by default, just destroy the current popover
-	        selector = selector || '.popover-' + _id;
-
-	        selection
-	            .on(_pointerPrefix + 'enter.popover', null)
-	            .on(_pointerPrefix + 'leave.popover', null)
-	            .on(_pointerPrefix + 'up.popover', null)
-	            .on(_pointerPrefix + 'down.popover', null)
-	            .on('click.popover', null)
-	            .attr('title', function() {
-	                return this.getAttribute('data-original-title') || this.getAttribute('title');
-	            })
-	            .attr('data-original-title', null)
-	            .selectAll(selector)
-	            .remove();
-	    };
-
-
-	    popover.destroyAny = function(selection) {
-	        selection.call(popover.destroy, '.popover');
-	    };
-
-	    function setup() {
-	        var anchor = select(this);
-	        var animate = _animation.apply(this, arguments);
-	        var popoverSelection = anchor.selectAll('.popover-' + _id)
-	            .data([0]);
-
-
-	        var enter = popoverSelection.enter()
-	            .append('div')
-	            .attr('class', 'popover popover-' + _id + ' ' + (klass ? klass : ''))
-	            .classed('arrowed', _hasArrow.apply(this, arguments));
-
-	        enter
-	            .append('div')
-	            .attr('class', 'popover-arrow');
-
-	        enter
-	            .append('div')
-	            .attr('class', 'popover-inner');
-
-	        popoverSelection = enter
-	            .merge(popoverSelection);
-
-	        if (animate) {
-	            popoverSelection.classed('fade', true);
-	        }
-
-	        var display = _displayType.apply(this, arguments);
-
-	        if (display === 'hover') {
-	            var _lastNonMouseEnterTime;
-	            anchor.on(_pointerPrefix + 'enter.popover', function() {
-
-	                if (event.pointerType) {
-	                    if (event.pointerType !== 'mouse') {
-	                        _lastNonMouseEnterTime = event.timeStamp;
-	                        // only allow hover behavior for mouse input
-	                        return;
-	                    } else if (_lastNonMouseEnterTime &&
-	                        event.timeStamp - _lastNonMouseEnterTime < 1500) {
-	                        // HACK: iOS 13.4 sends an erroneous `mouse` type pointerenter
-	                        // event for non-mouse interactions right after sending
-	                        // the correct type pointerenter event. Workaround by discarding
-	                        // any mouse event that occurs immediately after a non-mouse event.
-	                        return;
-	                    }
-	                }
-
-	                // don't show if buttons are pressed, e.g. during click and drag of map
-	                if (event.buttons !== 0) return;
-
-	                show.apply(this, arguments);
-	            });
-	            anchor.on(_pointerPrefix + 'leave.popover', function() {
-	                hide.apply(this, arguments);
-	            });
-
-	        } else if (display === 'clickFocus') {
-	            anchor
-	                .on(_pointerPrefix + 'down.popover', function() {
-	                    event.preventDefault();
-	                    event.stopPropagation();
-	                })
-	                .on(_pointerPrefix + 'up.popover', function() {
-	                    event.preventDefault();
-	                    event.stopPropagation();
-	                })
-	                .on('click.popover', toggle);
-
-	            popoverSelection
-	                .attr('tabindex', 0)
-	                .on('blur.popover', function() {
-	                    anchor.each(function() {
-	                        hide.apply(this, arguments);
-	                    });
-	                });
-	        }
-	    }
-
-
-	    function show() {
-	        var anchor = select(this);
-	        var popoverSelection = anchor.selectAll('.popover-' + _id);
-
-	        if (popoverSelection.empty()) {
-	            // popover was removed somehow, put it back
-	            anchor.call(popover.destroy);
-	            anchor.each(setup);
-	            popoverSelection = anchor.selectAll('.popover-' + _id);
-	        }
-
-	        popoverSelection.classed('in', true);
-
-	        var displayType = _displayType.apply(this, arguments);
-	        if (displayType === 'clickFocus') {
-	            anchor.classed('active', true);
-	            popoverSelection.node().focus();
-	        }
-
-	        anchor.each(updateContent);
-	    }
-
-	    function updateContent() {
-	        var anchor = select(this);
-
-	        if (_content) {
-	            anchor.selectAll('.popover-' + _id + ' > .popover-inner')
-	                .call(_content.apply(this, arguments));
-	        }
-
-	        updatePosition.apply(this, arguments);
-	        // hack: update multiple times to fix instances where the absolute offset is
-	        // set before the dynamic popover size is calculated by the browser
-	        updatePosition.apply(this, arguments);
-	        updatePosition.apply(this, arguments);
-	    }
-
-
-	    function updatePosition() {
-
-	        var anchor = select(this);
-	        var popoverSelection = anchor.selectAll('.popover-' + _id);
-
-	        var scrollContainer = _scrollContainer && _scrollContainer.apply(this, arguments);
-	        var scrollNode = scrollContainer && !scrollContainer.empty() && scrollContainer.node();
-	        var scrollLeft = scrollNode ? scrollNode.scrollLeft : 0;
-	        var scrollTop = scrollNode ? scrollNode.scrollTop : 0;
-
-	        var placement = _placement.apply(this, arguments);
-	        popoverSelection
-	            .classed('left', false)
-	            .classed('right', false)
-	            .classed('top', false)
-	            .classed('bottom', false)
-	            .classed(placement, true);
-
-	        var alignment = _alignment.apply(this, arguments);
-	        var alignFactor = 0.5;
-	        if (alignment === 'leading') {
-	            alignFactor = 0;
-	        } else if (alignment === 'trailing') {
-	            alignFactor = 1;
-	        }
-	        var anchorFrame = getFrame(anchor.node());
-	        var popoverFrame = getFrame(popoverSelection.node());
-	        var position;
-
-	        switch (placement) {
-	            case 'top':
-	            position = {
-	                x: anchorFrame.x + (anchorFrame.w - popoverFrame.w) * alignFactor,
-	                y: anchorFrame.y - popoverFrame.h
-	            };
-	            break;
-	            case 'bottom':
-	            position = {
-	                x: anchorFrame.x + (anchorFrame.w - popoverFrame.w) * alignFactor,
-	                y: anchorFrame.y + anchorFrame.h
-	            };
-	            break;
-	            case 'left':
-	            position = {
-	                x: anchorFrame.x - popoverFrame.w,
-	                y: anchorFrame.y + (anchorFrame.h - popoverFrame.h) * alignFactor
-	            };
-	            break;
-	            case 'right':
-	            position = {
-	                x: anchorFrame.x + anchorFrame.w,
-	                y: anchorFrame.y + (anchorFrame.h - popoverFrame.h) * alignFactor
-	            };
-	            break;
-	        }
-
-	        if (position) {
-
-	            if (scrollNode && (placement === 'top' || placement === 'bottom')) {
-
-	                var initialPosX = position.x;
-
-	                if (position.x + popoverFrame.w > scrollNode.offsetWidth - 10) {
-	                    position.x = scrollNode.offsetWidth - 10 - popoverFrame.w;
-	                } else if (position.x < 10) {
-	                    position.x = 10;
-	                }
-
-	                var arrow = anchor.selectAll('.popover-' + _id + ' > .popover-arrow');
-	                // keep the arrow centered on the button, or as close as possible
-	                var arrowPosX = Math.min(Math.max(popoverFrame.w / 2 - (position.x - initialPosX), 10), popoverFrame.w - 10);
-	                arrow.style('left', ~~arrowPosX + 'px');
-	            }
-
-	            popoverSelection.style('left', ~~position.x + 'px').style('top', ~~position.y + 'px');
-	        } else {
-	            popoverSelection.style('left', null).style('top', null);
-	        }
-
-	        function getFrame(node) {
-	            var positionStyle = select(node).style('position');
-	            if (positionStyle === 'absolute' || positionStyle === 'static') {
-	                return {
-	                    x: node.offsetLeft - scrollLeft,
-	                    y: node.offsetTop - scrollTop,
-	                    w: node.offsetWidth,
-	                    h: node.offsetHeight
-	                };
-	            } else {
-	                return {
-	                    x: 0,
-	                    y: 0,
-	                    w: node.offsetWidth,
-	                    h: node.offsetHeight
-	                };
-	            }
-	        }
-	    }
-
-
-	    function hide() {
-	        var anchor = select(this);
-	        if (_displayType.apply(this, arguments) === 'clickFocus') {
-	            anchor.classed('active', false);
-	        }
-	        anchor.selectAll('.popover-' + _id).classed('in', false);
-	    }
-
-
-	    function toggle() {
-	        if (select(this).select('.popover-' + _id).classed('in')) {
-	            hide.apply(this, arguments);
-	        } else {
-	            show.apply(this, arguments);
-	        }
-	    }
-
-
-	    return popover;
-	}
-
-	function uiTooltip(klass) {
-
-	    var tooltip = uiPopover((klass || '') + ' tooltip')
-	        .displayType('hover');
-
-	    var _title = function() {
-	        var title = this.getAttribute('data-original-title');
-	        if (title) {
-	            return title;
-	        } else {
-	            title = this.getAttribute('title');
-	            this.removeAttribute('title');
-	            this.setAttribute('data-original-title', title);
-	        }
-	        return title;
-	    };
-
-	    var _heading = utilFunctor(null);
-	    var _keys = utilFunctor(null);
-
-	    tooltip.title = function(val) {
-	        if (!arguments.length) return _title;
-	        _title = utilFunctor(val);
-	        return tooltip;
-	    };
-
-	    tooltip.heading = function(val) {
-	        if (!arguments.length) return _heading;
-	        _heading = utilFunctor(val);
-	        return tooltip;
-	    };
-
-	    tooltip.keys = function(val) {
-	        if (!arguments.length) return _keys;
-	        _keys = utilFunctor(val);
-	        return tooltip;
-	    };
-
-	    tooltip.content(function() {
-	        var heading = _heading.apply(this, arguments);
-	        var text = _title.apply(this, arguments);
-	        var keys = _keys.apply(this, arguments);
-
-	        return function(selection) {
-
-	            var headingSelect = selection
-	                .selectAll('.tooltip-heading')
-	                .data(heading ? [heading] :[]);
-
-	            headingSelect.exit()
-	                .remove();
-
-	            headingSelect.enter()
-	                .append('div')
-	                .attr('class', 'tooltip-heading')
-	                .merge(headingSelect)
-	                .html(heading);
-
-	            var textSelect = selection
-	                .selectAll('.tooltip-text')
-	                .data(text ? [text] :[]);
-
-	            textSelect.exit()
-	                .remove();
-
-	            textSelect.enter()
-	                .append('div')
-	                .attr('class', 'tooltip-text')
-	                .merge(textSelect)
-	                .html(text);
-
-	            var keyhintWrap = selection
-	                .selectAll('.keyhint-wrap')
-	                .data(keys && keys.length ? [0] : []);
-
-	            keyhintWrap.exit()
-	                .remove();
-
-	            var keyhintWrapEnter = keyhintWrap.enter()
-	                .append('div')
-	                .attr('class', 'keyhint-wrap');
-
-	            keyhintWrapEnter
-	                .append('span')
-	                .html(_t('tooltip_keyhint'));
-
-	            keyhintWrap = keyhintWrapEnter.merge(keyhintWrap);
-
-	            keyhintWrap.selectAll('kbd.shortcut')
-	                .data(keys && keys.length ? keys : [])
-	                .enter()
-	                .append('kbd')
-	                .attr('class', 'shortcut')
-	                .html(function(d) {
-	                    return d;
-	                });
-	        };
-	    });
-
-	    return tooltip;
-	}
-
-	function uiEditMenu(context) {
-	    var dispatch$1 = dispatch('toggled');
-
-	    var _menu = select(null);
-	    var _operations = [];
-	    // the position the menu should be displayed relative to
-	    var _anchorLoc = [0, 0];
-	    var _anchorLocLonLat = [0, 0];
-	    // a string indicating how the menu was opened
-	    var _triggerType = '';
-
-	    var _vpTopMargin = 85; // viewport top margin
-	    var _vpBottomMargin = 45; // viewport bottom margin
-	    var _vpSideMargin = 35;   // viewport side margin
-
-	    var _menuTop = false;
-	    var _menuHeight;
-	    var _menuWidth;
-
-	    // hardcode these values to make menu positioning easier
-	    var _verticalPadding = 4;
-
-	    // see also `.edit-menu .tooltip` CSS; include margin
-	    var _tooltipWidth = 210;
-
-	    // offset the menu slightly from the target location
-	    var _menuSideMargin = 10;
-
-	    var _tooltips = [];
-
-	    var editMenu = function(selection) {
-
-	        var isTouchMenu = _triggerType.includes('touch') || _triggerType.includes('pen');
-
-	        var ops = _operations.filter(function(op) {
-	            return !isTouchMenu || !op.mouseOnly;
-	        });
-
-	        if (!ops.length) return;
-
-	        _tooltips = [];
-
-	        // Position the menu above the anchor for stylus and finger input
-	        // since the mapper's hand likely obscures the screen below the anchor
-	        _menuTop = isTouchMenu;
-
-	        // Show labels for touch input since there aren't hover tooltips
-	        var showLabels = isTouchMenu;
-
-	        var buttonHeight = showLabels ? 32 : 34;
-	        if (showLabels) {
-	            // Get a general idea of the width based on the length of the label
-	            _menuWidth = 52 + Math.min(120, 6 * Math.max.apply(Math, ops.map(function(op) {
-	                return op.title.length;
-	            })));
-	        } else {
-	            _menuWidth = 44;
-	        }
-
-	        _menuHeight = _verticalPadding * 2 + ops.length * buttonHeight;
-
-	        _menu = selection
-	            .append('div')
-	            .attr('class', 'edit-menu')
-	            .classed('touch-menu', isTouchMenu)
-	            .style('padding', _verticalPadding + 'px 0');
-
-	        var buttons = _menu.selectAll('.edit-menu-item')
-	            .data(ops);
-
-	        // enter
-	        var buttonsEnter = buttons.enter()
-	            .append('button')
-	            .attr('class', function (d) { return 'edit-menu-item edit-menu-item-' + d.id; })
-	            .style('height', buttonHeight + 'px')
-	            .on('click', click)
-	            // don't listen for `mouseup` because we only care about non-mouse pointer types
-	            .on('pointerup', pointerup)
-	            .on('pointerdown mousedown', function pointerdown() {
-	                // don't let button presses also act as map input - #1869
-	                event.stopPropagation();
-	            });
-
-	        buttonsEnter.each(function(d) {
-	            var tooltip = uiTooltip()
-	                .heading(d.title)
-	                .title(d.tooltip())
-	                .keys([d.keys[0]]);
-
-	            _tooltips.push(tooltip);
-
-	            select(this)
-	                .call(tooltip)
-	                .append('div')
-	                .attr('class', 'icon-wrap')
-	                .call(svgIcon('#iD-operation-' + d.id, 'operation'));
-	        });
-
-	        if (showLabels) {
-	            buttonsEnter.append('span')
-	                .attr('class', 'label')
-	                .text(function(d) {
-	                    return d.title;
-	                });
-	        }
-
-	        // update
-	        buttons = buttonsEnter
-	            .merge(buttons)
-	            .classed('disabled', function(d) { return d.disabled(); });
-
-	        updatePosition();
-
-	        var initialScale = context.projection.scale();
-	        context.map()
-	            .on('move.edit-menu', function() {
-	                if (initialScale !== context.projection.scale()) {
-	                    editMenu.close();
-	                }
-	            })
-	            .on('drawn.edit-menu', function(info) {
-	                if (info.full) updatePosition();
-	            });
-
-	        var lastPointerUpType;
-	        // `pointerup` is always called before `click`
-	        function pointerup() {
-	            lastPointerUpType = event.pointerType;
-	        }
-
-	        function click(operation) {
-	            event.stopPropagation();
-	            if (operation.disabled()) {
-	                if (lastPointerUpType === 'touch' ||
-	                    lastPointerUpType === 'pen') {
-	                    // there are no tooltips for touch interactions so flash feedback instead
-	                    context.ui().flash
-	                        .duration(4000)
-	                        .iconName('#iD-operation-' + operation.id)
-	                        .iconClass('operation disabled')
-	                        .text(operation.tooltip)();
-	                }
-	            } else {
-	                if (lastPointerUpType === 'touch' ||
-	                    lastPointerUpType === 'pen') {
-	                    context.ui().flash
-	                        .duration(2000)
-	                        .iconName('#iD-operation-' + operation.id)
-	                        .iconClass('operation')
-	                        .text(operation.annotation() || operation.title)();
-	                }
-
-	                operation();
-	                editMenu.close();
-	            }
-	            lastPointerUpType = null;
-	        }
-
-	        dispatch$1.call('toggled', this, true);
-	    };
-
-	    function updatePosition() {
-
-	        if (!_menu || _menu.empty()) return;
-
-	        var anchorLoc = context.projection(_anchorLocLonLat);
-
-	        var viewport = context.surfaceRect();
-
-	        if (anchorLoc[0] < 0 ||
-	            anchorLoc[0] > viewport.width ||
-	            anchorLoc[1] < 0 ||
-	            anchorLoc[1] > viewport.height) {
-	            // close the menu if it's gone offscreen
-
-	            editMenu.close();
-	            return;
-	        }
-
-	        var menuLeft = displayOnLeft(viewport);
-
-	        var offset = [0, 0];
-
-	        offset[0] = menuLeft ? -1 * (_menuSideMargin + _menuWidth) : _menuSideMargin;
-
-	        if (_menuTop) {
-	            if (anchorLoc[1] - _menuHeight < _vpTopMargin) {
-	                // menu is near top viewport edge, shift downward
-	                offset[1] = -anchorLoc[1] + _vpTopMargin;
-	            } else {
-	                offset[1] = -_menuHeight;
-	            }
-	        } else {
-	            if (anchorLoc[1] + _menuHeight > (viewport.height - _vpBottomMargin)) {
-	                // menu is near bottom viewport edge, shift upwards
-	                offset[1] = -anchorLoc[1] - _menuHeight + viewport.height - _vpBottomMargin;
-	            } else {
-	                offset[1] = 0;
-	            }
-	        }
-
-	        var origin = geoVecAdd(anchorLoc, offset);
-
-	        _menu
-	            .style('left', origin[0] + 'px')
-	            .style('top', origin[1] + 'px');
-
-	        var tooltipSide = tooltipPosition(viewport, menuLeft);
-	        _tooltips.forEach(function(tooltip) {
-	            tooltip.placement(tooltipSide);
-	        });
-
-	        function displayOnLeft(viewport) {
-	            if (_mainLocalizer.textDirection() === 'ltr') {
-	                if ((anchorLoc[0] + _menuSideMargin + _menuWidth) > (viewport.width - _vpSideMargin)) {
-	                    // right menu would be too close to the right viewport edge, go left
-	                    return true;
-	                }
-	                // prefer right menu
-	                return false;
-
-	            } else { // rtl
-	                if ((anchorLoc[0] - _menuSideMargin - _menuWidth) < _vpSideMargin) {
-	                    // left menu would be too close to the left viewport edge, go right
-	                    return false;
-	                }
-	                // prefer left menu
-	                return true;
-	            }
-	        }
-
-	        function tooltipPosition(viewport, menuLeft) {
-	            if (_mainLocalizer.textDirection() === 'ltr') {
-	                if (menuLeft) {
-	                    // if there's not room for a right-side menu then there definitely
-	                    // isn't room for right-side tooltips
-	                    return 'left';
-	                }
-	                if ((anchorLoc[0] + _menuSideMargin + _menuWidth + _tooltipWidth) > (viewport.width - _vpSideMargin)) {
-	                    // right tooltips would be too close to the right viewport edge, go left
-	                    return 'left';
-	                }
-	                // prefer right tooltips
-	                return 'right';
-
-	            } else { // rtl
-	                if (!menuLeft) {
-	                    return 'right';
-	                }
-	                if ((anchorLoc[0] - _menuSideMargin - _menuWidth - _tooltipWidth) < _vpSideMargin) {
-	                    // left tooltips would be too close to the left viewport edge, go right
-	                    return 'right';
-	                }
-	                // prefer left tooltips
-	                return 'left';
-	            }
-	        }
-	    }
-
-	    editMenu.close = function () {
-
-	        context.map()
-	            .on('move.edit-menu', null)
-	            .on('drawn.edit-menu', null);
-
-	        _menu.remove();
-	        _tooltips = [];
-
-	        dispatch$1.call('toggled', this, false);
-	    };
-
-	    editMenu.anchorLoc = function(val) {
-	        if (!arguments.length) return _anchorLoc;
-	        _anchorLoc = val;
-	        _anchorLocLonLat = context.projection.invert(_anchorLoc);
-	        return editMenu;
-	    };
-
-	    editMenu.triggerType = function(val) {
-	        if (!arguments.length) return _triggerType;
-	        _triggerType = val;
-	        return editMenu;
-	    };
-
-	    editMenu.operations = function(val) {
-	        if (!arguments.length) return _operations;
-	        _operations = val;
-	        return editMenu;
-	    };
-
-	    return utilRebind(editMenu, dispatch$1, 'on');
-	}
-
-	function uiFeatureInfo(context) {
-	    function update(selection) {
-	        var features = context.features();
-	        var stats = features.stats();
-	        var count = 0;
-	        var hiddenList = features.hidden().map(function(k) {
-	            if (stats[k]) {
-	                count += stats[k];
-	                return String(stats[k]) + ' ' + _t('feature.' + k + '.description');
-	            }
-	        }).filter(Boolean);
-
-	        selection.html('');
-
-	        if (hiddenList.length) {
-	            var tooltipBehavior = uiTooltip()
-	                .placement('top')
-	                .title(function() {
-	                    return hiddenList.join('<br/>');
-	                });
-
-	            selection.append('a')
-	                .attr('class', 'chip')
-	                .attr('href', '#')
-	                .attr('tabindex', -1)
-	                .html(_t('feature_info.hidden_warning', { count: count }))
-	                .call(tooltipBehavior)
-	                .on('click', function() {
-	                    tooltipBehavior.hide();
-	                    event.preventDefault();
-	                    // open the Map Data pane
-	                    context.ui().togglePanes(context.container().select('.map-panes .map-data-pane'));
-	                });
-	        }
-
-	        selection
-	            .classed('hide', !hiddenList.length);
-	    }
-
-
-	    return function(selection) {
-	        update(selection);
-
-	        context.features().on('change.feature_info', function() {
-	            update(selection);
-	        });
-	    };
-	}
-
-	function uiFlash(context) {
-	    var _flashTimer;
-
-	    var _duration = 2000;
-	    var _iconName = '#iD-icon-no';
-	    var _iconClass = 'disabled';
-	    var _text = '';
-	    var _textClass;
-
-	    function flash() {
-	        if (_flashTimer) {
-	            _flashTimer.stop();
-	        }
-
-	        context.container().select('.main-footer-wrap')
-	            .classed('footer-hide', true)
-	            .classed('footer-show', false);
-	        context.container().select('.flash-wrap')
-	            .classed('footer-hide', false)
-	            .classed('footer-show', true);
-
-	        var content = context.container().select('.flash-wrap').selectAll('.flash-content')
-	            .data([0]);
-
-	        // Enter
-	        var contentEnter = content.enter()
-	            .append('div')
-	            .attr('class', 'flash-content');
-
-	        var iconEnter = contentEnter
-	            .append('svg')
-	            .attr('class', 'flash-icon icon')
-	            .append('g')
-	            .attr('transform', 'translate(10,10)');
-
-	        iconEnter
-	            .append('circle')
-	            .attr('r', 9);
-
-	        iconEnter
-	            .append('use')
-	            .attr('transform', 'translate(-7,-7)')
-	            .attr('width', '14')
-	            .attr('height', '14');
-
-	        contentEnter
-	            .append('div')
-	            .attr('class', 'flash-text');
-
-
-	        // Update
-	        content = content
-	            .merge(contentEnter);
-
-	        content
-	            .selectAll('.flash-icon')
-	            .attr('class', 'icon flash-icon ' + (_iconClass || ''));
-
-	        content
-	            .selectAll('.flash-icon use')
-	            .attr('xlink:href', _iconName);
-
-	        content
-	            .selectAll('.flash-text')
-	            .attr('class', 'flash-text ' + (_textClass || ''))
-	            .text(_text);
-
-
-	        _flashTimer = d3_timeout(function() {
-	            _flashTimer = null;
-	            context.container().select('.main-footer-wrap')
-	                .classed('footer-hide', false)
-	                .classed('footer-show', true);
-	            context.container().select('.flash-wrap')
-	                .classed('footer-hide', true)
-	                .classed('footer-show', false);
-	        }, _duration);
-
-	        return content;
-	    }
-
-
-	    flash.duration = function(_) {
-	        if (!arguments.length) return _duration;
-	        _duration = _;
-	        return flash;
-	    };
-
-	    flash.text = function(_) {
-	        if (!arguments.length) return _text;
-	        _text = _;
-	        return flash;
-	    };
-
-	    flash.textClass = function(_) {
-	        if (!arguments.length) return _textClass;
-	        _textClass = _;
-	        return flash;
-	    };
-
-	    flash.iconName = function(_) {
-	        if (!arguments.length) return _iconName;
-	        _iconName = _;
-	        return flash;
-	    };
-
-	    flash.iconClass = function(_) {
-	        if (!arguments.length) return _iconClass;
-	        _iconClass = _;
-	        return flash;
-	    };
-
-	    return flash;
-	}
-
-	function uiFullScreen(context) {
-	    var element = context.container().node();
-	    // var button = d3_select(null);
-
-
-	    function getFullScreenFn() {
-	        if (element.requestFullscreen) {
-	            return element.requestFullscreen;
-	        } else if (element.msRequestFullscreen) {
-	            return element.msRequestFullscreen;
-	        } else if (element.mozRequestFullScreen) {
-	            return element.mozRequestFullScreen;
-	        } else if (element.webkitRequestFullscreen) {
-	            return element.webkitRequestFullscreen;
-	        }
-	    }
-
-
-	    function getExitFullScreenFn() {
-	        if (document.exitFullscreen) {
-	            return document.exitFullscreen;
-	        } else if (document.msExitFullscreen) {
-	            return document.msExitFullscreen;
-	        } else if (document.mozCancelFullScreen) {
-	            return document.mozCancelFullScreen;
-	        } else if (document.webkitExitFullscreen) {
-	            return document.webkitExitFullscreen;
-	        }
-	    }
-
-
-	    function isFullScreen() {
-	        return document.fullscreenElement ||
-	            document.mozFullScreenElement ||
-	            document.webkitFullscreenElement ||
-	            document.msFullscreenElement;
-	    }
-
-
-	    function isSupported() {
-	        return !!getFullScreenFn();
-	    }
-
-
-	    function fullScreen() {
-	        event.preventDefault();
-	        if (!isFullScreen()) {
-	            // button.classed('active', true);
-	            getFullScreenFn().apply(element);
-	        } else {
-	            // button.classed('active', false);
-	            getExitFullScreenFn().apply(document);
-	        }
-	    }
-
-
-	    return function() { // selection) {
-	        if (!isSupported()) return;
-
-	        // button = selection.append('button')
-	        //     .attr('title', t('full_screen'))
-	        //     .attr('tabindex', -1)
-	        //     .on('click', fullScreen)
-	        //     .call(tooltip);
-
-	        // button.append('span')
-	        //     .attr('class', 'icon full-screen');
-
-	        var detected = utilDetect();
-	        var keys = (detected.os === 'mac' ? [uiCmd('⌃⌘F'), 'f11'] : ['f11']);
-	        context.keybinding().on(keys, fullScreen);
-	    };
-	}
-
-	function uiGeolocate(context) {
-	    var _geolocationOptions = {
-	        // prioritize speed and power usage over precision
-	        enableHighAccuracy: false,
-	        // don't hang indefinitely getting the location
-	        timeout: 6000 // 6sec
-	    };
-	    var _locating = uiLoading(context).message(_t('geolocate.locating')).blocking(true);
-	    var _layer = context.layers().layer('geolocate');
-	    var _position;
-	    var _extent;
-	    var _timeoutID;
-	    var _button = select(null);
-
-	    function click() {
-	        if (context.inIntro()) return;
-	        if (!_layer.enabled() && !_locating.isShown()) {
-
-	            // This timeout ensures that we still call finish() even if
-	            // the user declines to share their location in Firefox
-	            _timeoutID = setTimeout(error, 10000 /* 10sec */ );
-
-	            context.container().call(_locating);
-	            // get the latest position even if we already have one
-	            navigator.geolocation.getCurrentPosition(success, error, _geolocationOptions);
-	        } else {
-	            _locating.close();
-	            _layer.enabled(null, false);
-	            updateButtonState();
-	        }
-	    }
-
-	    function zoomTo() {
-	        context.enter(modeBrowse(context));
-
-	        var map = context.map();
-	        _layer.enabled(_position, true);
-	        updateButtonState();
-	        map.centerZoomEase(_extent.center(), Math.min(20, map.extentZoom(_extent)));
-	    }
-
-	    function success(geolocation) {
-	        _position = geolocation;
-	        var coords = _position.coords;
-	        _extent = geoExtent([coords.longitude, coords.latitude]).padByMeters(coords.accuracy);
-	        zoomTo();
-	        finish();
-	    }
-
-	    function error() {
-	        if (_position) {
-	            // use the position from a previous call if we have one
-	            zoomTo();
-	        } else {
-	            context.ui().flash
-	                .text(_t('geolocate.location_unavailable'))
-	                .iconName('#iD-icon-geolocate')();
-	        }
-
-	        finish();
-	    }
-
-	    function finish() {
-	        _locating.close();  // unblock ui
-	        if (_timeoutID) { clearTimeout(_timeoutID); }
-	        _timeoutID = undefined;
-	    }
-
-	    function updateButtonState() {
-	        _button.classed('active', _layer.enabled());
-	    }
-
-	    return function(selection) {
-	        if (!navigator.geolocation || !navigator.geolocation.getCurrentPosition) return;
-
-	        _button = selection
-	            .append('button')
-	            .on('click', click)
-	            .call(svgIcon('#iD-icon-geolocate', 'light'))
-	            .call(uiTooltip()
-	                .placement((_mainLocalizer.textDirection() === 'rtl') ? 'right' : 'left')
-	                .title(_t('geolocate.title'))
-	                .keys([_t('geolocate.key')])
-	            );
-
-	        context.keybinding().on(_t('geolocate.key'), click);
-	    };
-	}
-
-	function uiPanelBackground(context) {
-	    var background = context.background();
-	    var currSourceName = null;
-	    var metadata = {};
-	    var metadataKeys = [
-	        'zoom', 'vintage', 'source', 'description', 'resolution', 'accuracy'
-	    ];
-
-	    var debouncedRedraw = debounce(redraw, 250);
-
-	    function redraw(selection) {
-	        var source = background.baseLayerSource();
-	        if (!source) return;
-
-	        var isDG = (source.id.match(/^DigitalGlobe/i) !== null);
-
-	        if (currSourceName !== source.name()) {
-	            currSourceName = source.name();
-	            metadata = {};
-	        }
-
-	        selection.html('');
-
-	        var list = selection
-	            .append('ul')
-	            .attr('class', 'background-info');
-
-	        list
-	            .append('li')
-	            .text(currSourceName);
-
-	        metadataKeys.forEach(function(k) {
-	            // DigitalGlobe vintage is available in raster layers for now.
-	            if (isDG && k === 'vintage') return;
-
-	            list
-	                .append('li')
-	                .attr('class', 'background-info-list-' + k)
-	                .classed('hide', !metadata[k])
-	                .text(_t('info_panels.background.' + k) + ':')
-	                .append('span')
-	                .attr('class', 'background-info-span-' + k)
-	                .text(metadata[k]);
-	        });
-
-	        debouncedGetMetadata(selection);
-
-	        var toggleTiles = context.getDebug('tile') ? 'hide_tiles' : 'show_tiles';
-
-	        selection
-	            .append('a')
-	            .text(_t('info_panels.background.' + toggleTiles))
-	            .attr('href', '#')
-	            .attr('class', 'button button-toggle-tiles')
-	            .on('click', function() {
-	                event.preventDefault();
-	                context.setDebug('tile', !context.getDebug('tile'));
-	                selection.call(redraw);
-	            });
-
-	        if (isDG) {
-	            var key = source.id + '-vintage';
-	            var sourceVintage = context.background().findSource(key);
-	            var showsVintage = context.background().showsLayer(sourceVintage);
-	            var toggleVintage = showsVintage ? 'hide_vintage' : 'show_vintage';
-	            selection
-	                .append('a')
-	                .text(_t('info_panels.background.' + toggleVintage))
-	                .attr('href', '#')
-	                .attr('class', 'button button-toggle-vintage')
-	                .on('click', function() {
-	                    event.preventDefault();
-	                    context.background().toggleOverlayLayer(sourceVintage);
-	                    selection.call(redraw);
-	                });
-	        }
-
-	        // disable if necessary
-	        ['DigitalGlobe-Premium', 'DigitalGlobe-Standard'].forEach(function(layerId) {
-	            if (source.id !== layerId) {
-	                var key = layerId + '-vintage';
-	                var sourceVintage = context.background().findSource(key);
-	                if (context.background().showsLayer(sourceVintage)) {
-	                    context.background().toggleOverlayLayer(sourceVintage);
-	                }
-	            }
-	        });
-	    }
-
-
-	    var debouncedGetMetadata = debounce(getMetadata, 250);
-
-	    function getMetadata(selection) {
-	        var tile = context.container().select('.layer-background img.tile-center');   // tile near viewport center
-	        if (tile.empty()) return;
-
-	        var sourceName = currSourceName;
-	        var d = tile.datum();
-	        var zoom = (d && d.length >= 3 && d[2]) || Math.floor(context.map().zoom());
-	        var center = context.map().center();
-
-	        // update zoom
-	        metadata.zoom = String(zoom);
-	        selection.selectAll('.background-info-list-zoom')
-	            .classed('hide', false)
-	            .selectAll('.background-info-span-zoom')
-	            .text(metadata.zoom);
-
-	        if (!d || !d.length >= 3) return;
-
-	        background.baseLayerSource().getMetadata(center, d, function(err, result) {
-	            if (err || currSourceName !== sourceName) return;
-
-	            // update vintage
-	            var vintage = result.vintage;
-	            metadata.vintage = (vintage && vintage.range) || _t('info_panels.background.unknown');
-	            selection.selectAll('.background-info-list-vintage')
-	                .classed('hide', false)
-	                .selectAll('.background-info-span-vintage')
-	                .text(metadata.vintage);
-
-	            // update other metdata
-	            metadataKeys.forEach(function(k) {
-	                if (k === 'zoom' || k === 'vintage') return;  // done already
-	                var val = result[k];
-	                metadata[k] = val;
-	                selection.selectAll('.background-info-list-' + k)
-	                    .classed('hide', !val)
-	                    .selectAll('.background-info-span-' + k)
-	                    .text(val);
-	            });
-	        });
-	    }
-
-
-	    var panel = function(selection) {
-	        selection.call(redraw);
-
-	        context.map()
-	            .on('drawn.info-background', function() {
-	                selection.call(debouncedRedraw);
-	            })
-	            .on('move.info-background', function() {
-	                selection.call(debouncedGetMetadata);
-	            });
-
-	    };
-
-	    panel.off = function() {
-	        context.map()
-	            .on('drawn.info-background', null)
-	            .on('move.info-background', null);
-	    };
-
-	    panel.id = 'background';
-	    panel.title = _t('info_panels.background.title');
-	    panel.key = _t('info_panels.background.key');
-
-
-	    return panel;
-	}
-
-	function uiPanelHistory(context) {
-	    var osm;
-
-	    function displayTimestamp(timestamp) {
-	        if (!timestamp) return _t('info_panels.history.unknown');
-	        var options = {
-	            day: 'numeric', month: 'short', year: 'numeric',
-	            hour: 'numeric', minute: 'numeric', second: 'numeric'
-	        };
-	        var d = new Date(timestamp);
-	        if (isNaN(d.getTime())) return _t('info_panels.history.unknown');
-	        return d.toLocaleString(_mainLocalizer.localeCode(), options);
-	    }
-
-
-	    function displayUser(selection, userName) {
-	        if (!userName) {
-	            selection
-	                .append('span')
-	                .text(_t('info_panels.history.unknown'));
-	            return;
-	        }
-
-	        selection
-	            .append('span')
-	            .attr('class', 'user-name')
-	            .text(userName);
-
-	        var links = selection
-	            .append('div')
-	            .attr('class', 'links');
-
-	        if (osm) {
-	            links
-	                .append('a')
-	                .attr('class', 'user-osm-link')
-	                .attr('href', osm.userURL(userName))
-	                .attr('target', '_blank')
-	                .attr('tabindex', -1)
-	                .text('OSM');
-	        }
-
-	        links
-	            .append('a')
-	            .attr('class', 'user-hdyc-link')
-	            .attr('href', 'https://hdyc.neis-one.org/?' + userName)
-	            .attr('target', '_blank')
-	            .attr('tabindex', -1)
-	            .text('HDYC');
-	    }
-
-
-	    function displayChangeset(selection, changeset) {
-	        if (!changeset) {
-	            selection
-	                .append('span')
-	                .text(_t('info_panels.history.unknown'));
-	            return;
-	        }
-
-	        selection
-	            .append('span')
-	            .attr('class', 'changeset-id')
-	            .text(changeset);
-
-	        var links = selection
-	            .append('div')
-	            .attr('class', 'links');
-
-	        if (osm) {
-	            links
-	                .append('a')
-	                .attr('class', 'changeset-osm-link')
-	                .attr('href', osm.changesetURL(changeset))
-	                .attr('target', '_blank')
-	                .attr('tabindex', -1)
-	                .text('OSM');
-	        }
-
-	        links
-	            .append('a')
-	            .attr('class', 'changeset-osmcha-link')
-	            .attr('href', 'https://osmcha.org/changesets/' + changeset)
-	            .attr('target', '_blank')
-	            .attr('tabindex', -1)
-	            .text('OSMCha');
-
-	        links
-	            .append('a')
-	            .attr('class', 'changeset-achavi-link')
-	            .attr('href', 'https://overpass-api.de/achavi/?changeset=' + changeset)
-	            .attr('target', '_blank')
-	            .attr('tabindex', -1)
-	            .text('Achavi');
-	    }
-
-
-	    function redraw(selection) {
-	        var selectedNoteID = context.selectedNoteID();
-	        osm = context.connection();
-
-	        var selected, note, entity;
-	        if (selectedNoteID && osm) {       // selected 1 note
-	            selected = [ _t('note.note') + ' ' + selectedNoteID ];
-	            note = osm.getNote(selectedNoteID);
-	        } else {                           // selected 1..n entities
-	            selected = context.selectedIDs()
-	                .filter(function(e) { return context.hasEntity(e); });
-	            if (selected.length) {
-	                entity = context.entity(selected[0]);
-	            }
-	        }
-
-	        var singular = selected.length === 1 ? selected[0] : null;
-
-	        selection.html('');
-
-	        selection
-	            .append('h4')
-	            .attr('class', 'history-heading')
-	            .text(singular || _t('info_panels.history.selected', { n: selected.length }));
-
-	        if (!singular) return;
-
-	        if (entity) {
-	            selection.call(redrawEntity, entity);
-	        } else if (note) {
-	            selection.call(redrawNote, note);
-	        }
-	    }
-
-
-	    function redrawNote(selection, note) {
-	        if (!note || note.isNew()) {
-	            selection
-	                .append('div')
-	                .text(_t('info_panels.history.note_no_history'));
-	            return;
-	        }
-
-	        var list = selection
-	            .append('ul');
-
-	        list
-	            .append('li')
-	            .text(_t('info_panels.history.note_comments') + ':')
-	            .append('span')
-	            .text(note.comments.length);
-
-	        if (note.comments.length) {
-	            list
-	                .append('li')
-	                .text(_t('info_panels.history.note_created_date') + ':')
-	                .append('span')
-	                .text(displayTimestamp(note.comments[0].date));
-
-	            list
-	                .append('li')
-	                .text(_t('info_panels.history.note_created_user') + ':')
-	                .call(displayUser, note.comments[0].user);
-	        }
-
-	        if (osm) {
-	            selection
-	                .append('a')
-	                .attr('class', 'view-history-on-osm')
-	                .attr('target', '_blank')
-	                .attr('tabindex', -1)
-	                .attr('href', osm.noteURL(note))
-	                .call(svgIcon('#iD-icon-out-link', 'inline'))
-	                .append('span')
-	                .text(_t('info_panels.history.note_link_text'));
-	        }
-	    }
-
-
-	    function redrawEntity(selection, entity) {
-	        if (!entity || entity.isNew()) {
-	            selection
-	                .append('div')
-	                .text(_t('info_panels.history.no_history'));
-	            return;
-	        }
-
-	        var links = selection
-	            .append('div')
-	            .attr('class', 'links');
-
-	        if (osm) {
-	            links
-	                .append('a')
-	                .attr('class', 'view-history-on-osm')
-	                .attr('href', osm.historyURL(entity))
-	                .attr('target', '_blank')
-	                .attr('tabindex', -1)
-	                .attr('title', _t('info_panels.history.link_text'))
-	                .text('OSM');
-	        }
-	        links
-	            .append('a')
-	            .attr('class', 'pewu-history-viewer-link')
-	            .attr('href', 'https://pewu.github.io/osm-history/#/' + entity.type + '/' + entity.osmId())
-	            .attr('target', '_blank')
-	            .attr('tabindex', -1)
-	            .text('PeWu');
-
-	        var list = selection
-	            .append('ul');
-
-	        list
-	            .append('li')
-	            .text(_t('info_panels.history.version') + ':')
-	            .append('span')
-	            .text(entity.version);
-
-	        list
-	            .append('li')
-	            .text(_t('info_panels.history.last_edit') + ':')
-	            .append('span')
-	            .text(displayTimestamp(entity.timestamp));
-
-	        list
-	            .append('li')
-	            .text(_t('info_panels.history.edited_by') + ':')
-	            .call(displayUser, entity.user);
-
-	        list
-	            .append('li')
-	            .text(_t('info_panels.history.changeset') + ':')
-	            .call(displayChangeset, entity.changeset);
-	    }
-
-
-	    var panel = function(selection) {
-	        selection.call(redraw);
-
-	        context.map()
-	            .on('drawn.info-history', function() {
-	                selection.call(redraw);
-	            });
-
-	        context
-	            .on('enter.info-history', function() {
-	                selection.call(redraw);
-	            });
-	    };
-
-	    panel.off = function() {
-	        context.map().on('drawn.info-history', null);
-	        context.on('enter.info-history', null);
-	    };
-
-	    panel.id = 'history';
-	    panel.title = _t('info_panels.history.title');
-	    panel.key = _t('info_panels.history.key');
-
-
-	    return panel;
-	}
-
-	var OSM_PRECISION = 7;
-
-	/**
-	 * Returns a localized representation of the given length measurement.
-	 *
-	 * @param {Number} m area in meters
-	 * @param {Boolean} isImperial true for U.S. customary units; false for metric
-	 */
-	function displayLength(m, isImperial) {
-	    var d = m * (isImperial ? 3.28084 : 1);
-	    var unit;
-
-	    if (isImperial) {
-	        if (d >= 5280) {
-	            d /= 5280;
-	            unit = 'miles';
-	        } else {
-	            unit = 'feet';
-	        }
-	    } else {
-	        if (d >= 1000) {
-	            d /= 1000;
-	            unit = 'kilometers';
-	        } else {
-	            unit = 'meters';
-	        }
-	    }
-
-	    return _t('units.' + unit, {
-	        quantity: d.toLocaleString(_mainLocalizer.localeCode(), {
-	            maximumSignificantDigits: 4
-	        })
-	    });
-	}
-
-	/**
-	 * Returns a localized representation of the given area measurement.
-	 *
-	 * @param {Number} m2 area in square meters
-	 * @param {Boolean} isImperial true for U.S. customary units; false for metric
-	 */
-	function displayArea(m2, isImperial) {
-	    var locale = _mainLocalizer.localeCode();
-	    var d = m2 * (isImperial ? 10.7639111056 : 1);
-	    var d1, d2, area;
-	    var unit1 = '';
-	    var unit2 = '';
-
-	    if (isImperial) {
-	        if (d >= 6969600) { // > 0.25mi² show mi²
-	            d1 = d / 27878400;
-	            unit1 = 'square_miles';
-	        } else {
-	            d1 = d;
-	            unit1 = 'square_feet';
-	        }
-
-	        if (d > 4356 && d < 43560000) { // 0.1 - 1000 acres
-	            d2 = d / 43560;
-	            unit2 = 'acres';
-	        }
-
-	    } else {
-	        if (d >= 250000) { // > 0.25km² show km²
-	            d1 = d / 1000000;
-	            unit1 = 'square_kilometers';
-	        } else {
-	            d1 = d;
-	            unit1 = 'square_meters';
-	        }
-
-	        if (d > 1000 && d < 10000000) { // 0.1 - 1000 hectares
-	            d2 = d / 10000;
-	            unit2 = 'hectares';
-	        }
-	    }
-
-	    area = _t('units.' + unit1, {
-	        quantity: d1.toLocaleString(locale, {
-	            maximumSignificantDigits: 4
-	        })
-	    });
-
-	    if (d2) {
-	        return _t('units.area_pair', {
-	            area1: area,
-	            area2: _t('units.' + unit2, {
-	                quantity: d2.toLocaleString(locale, {
-	                    maximumSignificantDigits: 2
-	                })
-	            })
-	        });
-	    } else {
-	        return area;
-	    }
-	}
-
-	function wrap(x, min, max) {
-	    var d = max - min;
-	    return ((x - min) % d + d) % d + min;
-	}
-
-	function clamp$1(x, min, max) {
-	    return Math.max(min, Math.min(x, max));
-	}
-
-	function displayCoordinate(deg, pos, neg) {
-	    var locale = _mainLocalizer.localeCode();
-	    var min = (Math.abs(deg) - Math.floor(Math.abs(deg))) * 60;
-	    var sec = (min - Math.floor(min)) * 60;
-	    var displayDegrees = _t('units.arcdegrees', {
-	        quantity: Math.floor(Math.abs(deg)).toLocaleString(locale)
-	    });
-	    var displayCoordinate;
-
-	    if (Math.floor(sec) > 0) {
-	        displayCoordinate = displayDegrees +
-	            _t('units.arcminutes', {
-	                quantity: Math.floor(min).toLocaleString(locale)
-	            }) +
-	            _t('units.arcseconds', {
-	                quantity: Math.round(sec).toLocaleString(locale)
-	            });
-	    } else if (Math.floor(min) > 0) {
-	        displayCoordinate = displayDegrees +
-	            _t('units.arcminutes', {
-	                quantity: Math.round(min).toLocaleString(locale)
-	            });
-	    } else {
-	        displayCoordinate = _t('units.arcdegrees', {
-	            quantity: Math.round(Math.abs(deg)).toLocaleString(locale)
-	        });
-	    }
-
-	    if (deg === 0) {
-	        return displayCoordinate;
-	    } else {
-	        return _t('units.coordinate', {
-	            coordinate: displayCoordinate,
-	            direction: _t('units.' + (deg > 0 ? pos : neg))
-	        });
-	    }
-	}
-
-	/**
-	 * Returns given coordinate pair in degree-minute-second format.
-	 *
-	 * @param {Array<Number>} coord longitude and latitude
-	 */
-	function dmsCoordinatePair(coord) {
-	    return _t('units.coordinate_pair', {
-	        latitude: displayCoordinate(clamp$1(coord[1], -90, 90), 'north', 'south'),
-	        longitude: displayCoordinate(wrap(coord[0], -180, 180), 'east', 'west')
-	    });
-	}
-
-	/**
-	 * Returns the given coordinate pair in decimal format.
-	 * note: unlocalized to avoid comma ambiguity - see #4765
-	 *
-	 * @param {Array<Number>} coord longitude and latitude
-	 */
-	function decimalCoordinatePair(coord) {
-	    return _t('units.coordinate_pair', {
-	        latitude: clamp$1(coord[1], -90, 90).toFixed(OSM_PRECISION),
-	        longitude: wrap(coord[0], -180, 180).toFixed(OSM_PRECISION)
-	    });
-	}
-
-	function uiPanelLocation(context) {
-	    var currLocation = '';
-
-
-	    function redraw(selection) {
-	        selection.html('');
-
-	        var list = selection
-	            .append('ul');
-
-	        // Mouse coordinates
-	        var coord = context.map().mouseCoordinates();
-	        if (coord.some(isNaN)) {
-	            coord = context.map().center();
-	        }
-
-	        list
-	            .append('li')
-	            .text(dmsCoordinatePair(coord))
-	            .append('li')
-	            .text(decimalCoordinatePair(coord));
-
-	        // Location Info
-	        selection
-	            .append('div')
-	            .attr('class', 'location-info')
-	            .text(currLocation || ' ');
-
-	        debouncedGetLocation(selection, coord);
-	    }
-
-
-	    var debouncedGetLocation = debounce(getLocation, 250);
-	    function getLocation(selection, coord) {
-	        if (!services.geocoder) {
-	            currLocation = _t('info_panels.location.unknown_location');
-	            selection.selectAll('.location-info')
-	                .text(currLocation);
-	        } else {
-	            services.geocoder.reverse(coord, function(err, result) {
-	                currLocation = result ? result.display_name : _t('info_panels.location.unknown_location');
-	                selection.selectAll('.location-info')
-	                    .text(currLocation);
-	            });
-	        }
-	    }
-
-
-	    var panel = function(selection) {
-	        selection.call(redraw);
-
-	        context.surface()
-	            .on(('PointerEvent' in window ? 'pointer' : 'mouse') + 'move.info-location', function() {
-	                selection.call(redraw);
-	            });
-	    };
-
-	    panel.off = function() {
-	        context.surface()
-	            .on('.info-location', null);
-	    };
-
-	    panel.id = 'location';
-	    panel.title = _t('info_panels.location.title');
-	    panel.key = _t('info_panels.location.key');
-
-
-	    return panel;
-	}
-
-	function uiPanelMeasurement(context) {
-	    var locale = _mainLocalizer.localeCode();
-	    var isImperial = !_mainLocalizer.usesMetric();
-
-
-	    function radiansToMeters(r) {
-	        // using WGS84 authalic radius (6371007.1809 m)
-	        return r * 6371007.1809;
-	    }
-
-	    function steradiansToSqmeters(r) {
-	        // http://gis.stackexchange.com/a/124857/40446
-	        return r / (4 * Math.PI) * 510065621724000;
-	    }
-
-
-	    function toLineString(feature) {
-	        if (feature.type === 'LineString') return feature;
-
-	        var result = { type: 'LineString', coordinates: [] };
-	        if (feature.type === 'Polygon') {
-	            result.coordinates = feature.coordinates[0];
-	        } else if (feature.type === 'MultiPolygon') {
-	            result.coordinates = feature.coordinates[0][0];
-	        }
-
-	        return result;
-	    }
-
-
-	    function redraw(selection) {
-	        var graph = context.graph();
-	        var selectedNoteID = context.selectedNoteID();
-	        var osm = services.osm;
-
-	        var heading;
-	        var center, location, centroid;
-	        var closed, geometry;
-	        var totalNodeCount, length = 0, area = 0;
-
-	        if (selectedNoteID && osm) {       // selected 1 note
-
-	            var note = osm.getNote(selectedNoteID);
-	            heading = _t('note.note') + ' ' + selectedNoteID;
-	            location = note.loc;
-	            geometry = 'note';
-
-	        } else {                           // selected 1..n entities
-	            var selectedIDs = context.selectedIDs().filter(function(id) {
-	                return context.hasEntity(id);
-	            });
-	            var selected = selectedIDs.map(function(id) {
-	                return context.entity(id);
-	            });
-
-	            heading = selected.length === 1 ? selected[0].id :
-	                _t('info_panels.measurement.selected', { n: selected.length.toLocaleString(locale) });
-
-	            if (selected.length) {
-	                var extent = geoExtent();
-	                for (var i in selected) {
-	                    var entity = selected[i];
-	                    extent._extend(entity.extent(graph));
-
-	                    geometry = entity.geometry(graph);
-	                    if (geometry === 'line' || geometry === 'area') {
-	                        closed = (entity.type === 'relation') || (entity.isClosed() && !entity.isDegenerate());
-	                        var feature = entity.asGeoJSON(graph);
-	                        length += radiansToMeters(d3_geoLength(toLineString(feature)));
-	                        centroid = d3_geoCentroid(feature);
-	                        if (closed) {
-	                            area += steradiansToSqmeters(entity.area(graph));
-	                        }
-	                    }
-	                }
-
-	                if (selected.length > 1) {
-	                    geometry = null;
-	                    closed = null;
-	                    centroid = null;
-	                }
-
-	                if (selected.length === 1 && selected[0].type === 'node') {
-	                    location = selected[0].loc;
-	                } else {
-	                    totalNodeCount = utilGetAllNodes(selectedIDs, context.graph()).length;
-	                }
-
-	                if (!location && !centroid) {
-	                    center = extent.center();
-	                }
-	            }
-	        }
-
-	        selection.html('');
-
-	        if (heading) {
-	            selection
-	                .append('h4')
-	                .attr('class', 'measurement-heading')
-	                .text(heading);
-	        }
-
-	        var list = selection
-	            .append('ul');
-	        var coordItem;
-
-	        if (geometry) {
-	            list
-	                .append('li')
-	                .text(_t('info_panels.measurement.geometry') + ':')
-	                .append('span')
-	                .text(
-	                    closed ? _t('info_panels.measurement.closed_' + geometry) : _t('geometry.' + geometry)
-	                );
-	        }
-
-	        if (totalNodeCount) {
-	            list
-	                .append('li')
-	                .text(_t('info_panels.measurement.node_count') + ':')
-	                .append('span')
-	                .text(totalNodeCount.toLocaleString(locale));
-	        }
-
-	        if (area) {
-	            list
-	                .append('li')
-	                .text(_t('info_panels.measurement.area') + ':')
-	                .append('span')
-	                .text(displayArea(area, isImperial));
-	        }
-
-	        if (length) {
-	            var lengthLabel = _t('info_panels.measurement.' + (closed ? 'perimeter' : 'length'));
-	            list
-	                .append('li')
-	                .text(lengthLabel + ':')
-	                .append('span')
-	                .text(displayLength(length, isImperial));
-	        }
-
-	        if (location) {
-	            coordItem = list
-	                .append('li')
-	                .text(_t('info_panels.measurement.location') + ':');
-	            coordItem.append('span')
-	                .text(dmsCoordinatePair(location));
-	            coordItem.append('span')
-	                .text(decimalCoordinatePair(location));
-	        }
-
-	        if (centroid) {
-	            coordItem = list
-	                .append('li')
-	                .text(_t('info_panels.measurement.centroid') + ':');
-	            coordItem.append('span')
-	                .text(dmsCoordinatePair(centroid));
-	            coordItem.append('span')
-	                .text(decimalCoordinatePair(centroid));
-	        }
-
-	        if (center) {
-	            coordItem = list
-	                .append('li')
-	                .text(_t('info_panels.measurement.center') + ':');
-	            coordItem.append('span')
-	                .text(dmsCoordinatePair(center));
-	            coordItem.append('span')
-	                .text(decimalCoordinatePair(center));
-	        }
-
-	        if (length || area) {
-	            var toggle  = isImperial ? 'imperial' : 'metric';
-	            selection
-	                .append('a')
-	                .text(_t('info_panels.measurement.' + toggle))
-	                .attr('href', '#')
-	                .attr('class', 'button button-toggle-units')
-	                .on('click', function() {
-	                    event.preventDefault();
-	                    isImperial = !isImperial;
-	                    selection.call(redraw);
-	                });
-	        }
-	    }
-
-
-	    var panel = function(selection) {
-	        selection.call(redraw);
-
-	        context.map()
-	            .on('drawn.info-measurement', function() {
-	                selection.call(redraw);
-	            });
-
-	        context
-	            .on('enter.info-measurement', function() {
-	                selection.call(redraw);
-	            });
-	    };
-
-	    panel.off = function() {
-	        context.map().on('drawn.info-measurement', null);
-	        context.on('enter.info-measurement', null);
-	    };
-
-	    panel.id = 'measurement';
-	    panel.title = _t('info_panels.measurement.title');
-	    panel.key = _t('info_panels.measurement.key');
-
-
-	    return panel;
-	}
-
-	var uiInfoPanels = {
-	    background: uiPanelBackground,
-	    history: uiPanelHistory,
-	    location: uiPanelLocation,
-	    measurement: uiPanelMeasurement,
-	};
-
-	function uiInfo(context) {
-	    var ids = Object.keys(uiInfoPanels);
-	    var wasActive = ['measurement'];
-	    var panels = {};
-	    var active = {};
-
-	    // create panels
-	    ids.forEach(function(k) {
-	        if (!panels[k]) {
-	            panels[k] = uiInfoPanels[k](context);
-	            active[k] = false;
-	        }
-	    });
-
-
-	    function info(selection) {
-
-	        function redraw() {
-	            var activeids = ids.filter(function(k) { return active[k]; }).sort();
-
-	            var containers = infoPanels.selectAll('.panel-container')
-	                .data(activeids, function(k) { return k; });
-
-	            containers.exit()
-	                .style('opacity', 1)
-	                .transition()
-	                .duration(200)
-	                .style('opacity', 0)
-	                .on('end', function(d) {
-	                    select(this)
-	                        .call(panels[d].off)
-	                        .remove();
-	                });
-
-	            var enter = containers.enter()
-	                .append('div')
-	                .attr('class', function(d) { return 'fillD2 panel-container panel-container-' + d; });
-
-	            enter
-	                .style('opacity', 0)
-	                .transition()
-	                .duration(200)
-	                .style('opacity', 1);
-
-	            var title = enter
-	                .append('div')
-	                .attr('class', 'panel-title fillD2');
-
-	            title
-	                .append('h3')
-	                .text(function(d) { return panels[d].title; });
-
-	            title
-	                .append('button')
-	                .attr('class', 'close')
-	                .on('click', function (d) { info.toggle(d); })
-	                .call(svgIcon('#iD-icon-close'));
-
-	            enter
-	                .append('div')
-	                .attr('class', function(d) { return 'panel-content panel-content-' + d; });
-
-
-	            // redraw the panels
-	            infoPanels.selectAll('.panel-content')
-	                .each(function(d) {
-	                    select(this).call(panels[d]);
-	                });
-	        }
-
-
-	        info.toggle = function(which) {
-	            if (event) {
-	                event.stopImmediatePropagation();
-	                event.preventDefault();
-	            }
-
-	            var activeids = ids.filter(function(k) { return active[k]; });
-
-	            if (which) {  // toggle one
-	                active[which] = !active[which];
-	                if (activeids.length === 1 && activeids[0] === which) {  // none active anymore
-	                    wasActive = [which];
-	                }
-
-	                context.container().select('.' + which + '-panel-toggle-item')
-	                    .classed('active', active[which])
-	                    .select('input')
-	                    .property('checked', active[which]);
-
-	            } else {      // toggle all
-	                if (activeids.length) {
-	                    wasActive = activeids;
-	                    activeids.forEach(function(k) { active[k] = false; });
-	                } else {
-	                    wasActive.forEach(function(k) { active[k] = true; });
-	                }
-	            }
-
-	            redraw();
-	        };
-
-
-	        var infoPanels = selection.selectAll('.info-panels')
-	            .data([0]);
-
-	        infoPanels = infoPanels.enter()
-	            .append('div')
-	            .attr('class', 'info-panels')
-	            .merge(infoPanels);
-
-	        redraw();
-
-	        context.keybinding()
-	            .on(uiCmd('⌘' + _t('info_panels.key')), info.toggle);
-
-	        ids.forEach(function(k) {
-	            var key = _t('info_panels.' + k + '.key', { default: null });
-	            if (!key) return;
-	            context.keybinding()
-	                .on(uiCmd('⌘⇧' + key), function() { info.toggle(k); });
-	        });
-	    }
-
-	    return info;
-	}
-
-	function pointBox(loc, context) {
-	    var rect = context.surfaceRect();
-	    var point = context.curtainProjection(loc);
-	    return {
-	        left: point[0] + rect.left - 40,
-	        top: point[1] + rect.top - 60,
-	        width: 80,
-	        height: 90
-	    };
-	}
-
-
-	function pad(locOrBox, padding, context) {
-	    var box;
-	    if (locOrBox instanceof Array) {
-	        var rect = context.surfaceRect();
-	        var point = context.curtainProjection(locOrBox);
-	        box = {
-	            left: point[0] + rect.left,
-	            top: point[1] + rect.top
-	        };
-	    } else {
-	        box = locOrBox;
-	    }
-
-	    return {
-	        left: box.left - padding,
-	        top: box.top - padding,
-	        width: (box.width || 0) + 2 * padding,
-	        height: (box.width || 0) + 2 * padding
-	    };
-	}
-
-
-	function icon(name, svgklass, useklass) {
-	    return '<svg class="icon ' + (svgklass || '') + '">' +
-	         '<use xlink:href="' + name + '"' +
-	         (useklass ? ' class="' + useklass + '"' : '') + '></use></svg>';
-	}
-
-	var helpStringReplacements;
-
-	// Returns the localized string for `id` with a standardized set of icon, key, and
-	// label replacements suitable for tutorials and documentation. Optionally supplemented
-	// with custom `replacements`
-	function helpString(id, replacements) {
-	    // only load these the first time
-	    if (!helpStringReplacements) helpStringReplacements = {
-	        // insert icons corresponding to various UI elements
-	        point_icon: icon('#iD-icon-point', 'pre-text'),
-	        line_icon: icon('#iD-icon-line', 'pre-text'),
-	        area_icon: icon('#iD-icon-area', 'pre-text'),
-	        note_icon: icon('#iD-icon-note', 'pre-text add-note'),
-	        plus: icon('#iD-icon-plus', 'pre-text'),
-	        minus: icon('#iD-icon-minus', 'pre-text'),
-	        move_icon: icon('#iD-operation-move', 'pre-text operation'),
-	        merge_icon: icon('#iD-operation-merge', 'pre-text operation'),
-	        delete_icon: icon('#iD-operation-delete', 'pre-text operation'),
-	        circularize_icon: icon('#iD-operation-circularize', 'pre-text operation'),
-	        split_icon: icon('#iD-operation-split', 'pre-text operation'),
-	        orthogonalize_icon: icon('#iD-operation-orthogonalize', 'pre-text operation'),
-	        disconnect_icon: icon('#iD-operation-disconnect', 'pre-text operation'),
-	        layers_icon: icon('#iD-icon-layers', 'pre-text'),
-	        data_icon: icon('#iD-icon-data', 'pre-text'),
-	        inspect: icon('#iD-icon-inspect', 'pre-text'),
-	        help_icon: icon('#iD-icon-help', 'pre-text'),
-	        undo_icon: icon(_mainLocalizer.textDirection() === 'rtl' ? '#iD-icon-redo' : '#iD-icon-undo', 'pre-text'),
-	        redo_icon: icon(_mainLocalizer.textDirection() === 'rtl' ? '#iD-icon-undo' : '#iD-icon-redo', 'pre-text'),
-	        save_icon: icon('#iD-icon-save', 'pre-text'),
-	        leftclick: icon('#iD-walkthrough-mouse-left', 'pre-text operation'),
-	        rightclick: icon('#iD-walkthrough-mouse-right', 'pre-text operation'),
-	        mousewheel_icon: icon('#iD-walkthrough-mousewheel', 'pre-text operation'),
-	        tap_icon: icon('#iD-walkthrough-tap', 'pre-text operation'),
-	        doubletap_icon: icon('#iD-walkthrough-doubletap', 'pre-text operation'),
-	        longpress_icon: icon('#iD-walkthrough-longpress', 'pre-text operation'),
-	        touchdrag_icon: icon('#iD-walkthrough-touchdrag', 'pre-text operation'),
-	        pinch_icon: icon('#iD-walkthrough-pinch-apart', 'pre-text operation'),
-
-	        // insert keys; may be localized and platform-dependent
-	        shift: uiCmd.display('⇧'),
-	        alt: uiCmd.display('⌥'),
-	        return: uiCmd.display('↵'),
-	        esc: _t('shortcuts.key.esc'),
-	        space: _t('shortcuts.key.space'),
-	        add_note_key: _t('modes.add_note.key'),
-	        help_key: _t('help.key'),
-	        shortcuts_key: _t('shortcuts.toggle.key'),
-
-	        // reference localized UI labels directly so that they'll always match
-	        save: _t('save.title'),
-	        undo: _t('undo.title'),
-	        redo: _t('redo.title'),
-	        upload: _t('commit.save'),
-	        point: _t('modes.add_point.title'),
-	        line: _t('modes.add_line.title'),
-	        area: _t('modes.add_area.title'),
-	        note: _t('modes.add_note.title'),
-	        delete: _t('operations.delete.title'),
-	        move: _t('operations.move.title'),
-	        orthogonalize: _t('operations.orthogonalize.title'),
-	        circularize: _t('operations.circularize.title'),
-	        merge: _t('operations.merge.title'),
-	        disconnect: _t('operations.disconnect.title'),
-	        split: _t('operations.split.title'),
-	        map_data: _t('map_data.title'),
-	        osm_notes: _t('map_data.layers.notes.title'),
-	        fields: _t('inspector.fields'),
-	        tags: _t('inspector.tags'),
-	        relations: _t('inspector.relations'),
-	        new_relation: _t('inspector.new_relation'),
-	        turn_restrictions: _t('presets.fields.restrictions.label'),
-	        background_settings: _t('background.description'),
-	        imagery_offset: _t('background.fix_misalignment'),
-	        start_the_walkthrough: _t('splash.walkthrough'),
-	        help: _t('help.title'),
-	        ok: _t('intro.ok')
-	    };
-
-	    var reps;
-	    if (replacements) {
-	        reps = Object.assign(replacements, helpStringReplacements);
-	    } else {
-	        reps = helpStringReplacements;
-	    }
-
-	    return _t(id, reps)
-	         // use keyboard key styling for shortcuts
-	        .replace(/\`(.*?)\`/g, '<kbd>$1</kbd>');
-	}
-
-
-	function slugify(text) {
-	    return text.toString().toLowerCase()
-	        .replace(/\s+/g, '-')           // Replace spaces with -
-	        .replace(/[^\w\-]+/g, '')       // Remove all non-word chars
-	        .replace(/\-\-+/g, '-')         // Replace multiple - with single -
-	        .replace(/^-+/, '')             // Trim - from start of text
-	        .replace(/-+$/, '');            // Trim - from end of text
-	}
-
-
-	// console warning for missing walkthrough names
-	var missingStrings = {};
-	function checkKey(key, text) {
-	    if (_t(key, { default: undefined}) === undefined) {
-	        if (missingStrings.hasOwnProperty(key)) return;  // warn once
-	        missingStrings[key] = text;
-	        var missing = key + ': ' + text;
-	        if (typeof console !== 'undefined') console.log(missing); // eslint-disable-line
-	    }
-	}
-
-
-	function localize(obj) {
-	    var key;
-
-	    // Assign name if entity has one..
-	    var name = obj.tags && obj.tags.name;
-	    if (name) {
-	        key = 'intro.graph.name.' + slugify(name);
-	        obj.tags.name = _t(key, { default: name });
-	        checkKey(key, name);
-	    }
-
-	    // Assign street name if entity has one..
-	    var street = obj.tags && obj.tags['addr:street'];
-	    if (street) {
-	        key = 'intro.graph.name.' + slugify(street);
-	        obj.tags['addr:street'] = _t(key, { default: street });
-	        checkKey(key, street);
-
-	        // Add address details common across walkthrough..
-	        var addrTags = [
-	            'block_number', 'city', 'county', 'district', 'hamlet', 'neighbourhood',
-	            'postcode', 'province', 'quarter', 'state', 'subdistrict', 'suburb'
-	        ];
-	        addrTags.forEach(function(k) {
-	            var key = 'intro.graph.' + k;
-	            var tag = 'addr:' + k;
-	            var val = obj.tags && obj.tags[tag];
-	            var str = _t(key, { default: val });
-
-	            if (str) {
-	                if (str.match(/^<.*>$/) !== null) {
-	                    delete obj.tags[tag];
-	                } else {
-	                    obj.tags[tag] = str;
-	                }
-	            }
-	        });
-	    }
-
-	    return obj;
-	}
-
-
-	// Used to detect squareness.. some duplicataion of code from actionOrthogonalize.
-	function isMostlySquare(points) {
-	    // note: uses 15 here instead of the 12 from actionOrthogonalize because
-	    // actionOrthogonalize can actually straighten some larger angles as it iterates
-	    var threshold = 15; // degrees within right or straight
-	    var lowerBound = Math.cos((90 - threshold) * Math.PI / 180);  // near right
-	    var upperBound = Math.cos(threshold * Math.PI / 180);         // near straight
-
-	    for (var i = 0; i < points.length; i++) {
-	        var a = points[(i - 1 + points.length) % points.length];
-	        var origin = points[i];
-	        var b = points[(i + 1) % points.length];
-
-	        var dotp = geoVecNormalizedDot(a, b, origin);
-	        var mag = Math.abs(dotp);
-	        if (mag > lowerBound && mag < upperBound) {
-	            return false;
-	        }
-	    }
-
-	    return true;
-	}
-
-
-	function selectMenuItem(context, operation) {
-	    return context.container().select('.edit-menu .edit-menu-item-' + operation);
-	}
-
-
-	function transitionTime(point1, point2) {
-	    var distance = geoSphericalDistance(point1, point2);
-	    if (distance === 0)
-	        return 0;
-	    else if (distance < 80)
-	        return 500;
-	    else
-	        return 1000;
-	}
-
-	// Tooltips and svg mask used to highlight certain features
-	function uiCurtain(containerNode) {
-
-	    var surface = select(null),
-	        tooltip = select(null),
-	        darkness = select(null);
-
-	    function curtain(selection) {
-	        surface = selection
-	            .append('svg')
-	            .attr('class', 'curtain')
-	            .style('top', 0)
-	            .style('left', 0);
-
-	        darkness = surface.append('path')
-	            .attr('x', 0)
-	            .attr('y', 0)
-	            .attr('class', 'curtain-darkness');
-
-	        select(window).on('resize.curtain', resize);
-
-	        tooltip = selection.append('div')
-	            .attr('class', 'tooltip');
-
-	        tooltip
-	            .append('div')
-	            .attr('class', 'popover-arrow');
-
-	        tooltip
-	            .append('div')
-	            .attr('class', 'popover-inner');
-
-	        resize();
-
-
-	        function resize() {
-	            surface
-	                .attr('width', containerNode.clientWidth)
-	                .attr('height', containerNode.clientHeight);
-	            curtain.cut(darkness.datum());
-	        }
-	    }
-
-
-	    /**
-	     * Reveal cuts the curtain to highlight the given box,
-	     * and shows a tooltip with instructions next to the box.
-	     *
-	     * @param  {String|ClientRect} [box]   box used to cut the curtain
-	     * @param  {String}    [text]          text for a tooltip
-	     * @param  {Object}    [options]
-	     * @param  {string}    [options.tooltipClass]    optional class to add to the tooltip
-	     * @param  {integer}   [options.duration]        transition time in milliseconds
-	     * @param  {string}    [options.buttonText]      if set, create a button with this text label
-	     * @param  {function}  [options.buttonCallback]  if set, the callback for the button
-	     * @param  {function}  [options.padding]         extra margin in px to put around bbox
-	     * @param  {String|ClientRect} [options.tooltipBox]  box for tooltip position, if different from box for the curtain
-	     */
-	    curtain.reveal = function(box, text, options) {
-	        options = options || {};
-
-	        if (typeof box === 'string') {
-	            box = select(box).node();
-	        }
-	        if (box && box.getBoundingClientRect) {
-	            box = copyBox(box.getBoundingClientRect());
-	            var containerRect = containerNode.getBoundingClientRect();
-	            box.top -= containerRect.top;
-	            box.left -= containerRect.left;
-	        }
-	        if (box && options.padding) {
-	            box.top -= options.padding;
-	            box.left -= options.padding;
-	            box.bottom += options.padding;
-	            box.right += options.padding;
-	            box.height += options.padding * 2;
-	            box.width += options.padding * 2;
-	        }
-
-	        var tooltipBox;
-	        if (options.tooltipBox) {
-	            tooltipBox = options.tooltipBox;
-	            if (typeof tooltipBox === 'string') {
-	                tooltipBox = select(tooltipBox).node();
-	            }
-	            if (tooltipBox && tooltipBox.getBoundingClientRect) {
-	                tooltipBox = copyBox(tooltipBox.getBoundingClientRect());
-	            }
-	        } else {
-	            tooltipBox = box;
-	        }
-
-	        if (tooltipBox && text) {
-	            // pseudo markdown bold text for the instruction section..
-	            var parts = text.split('**');
-	            var html = parts[0] ? '<span>' + parts[0] + '</span>' : '';
-	            if (parts[1]) {
-	                html += '<span class="instruction">' + parts[1] + '</span>';
-	            }
-
-	            html = html.replace(/\*(.*?)\*/g, '<em>$1</em>');   // emphasis
-	            html = html.replace(/\{br\}/g, '<br/><br/>');       // linebreak
-
-	            if (options.buttonText && options.buttonCallback) {
-	                html += '<div class="button-section">' +
-	                    '<button href="#" class="button action">' + options.buttonText + '</button></div>';
-	            }
-
-	            var classes = 'curtain-tooltip popover tooltip arrowed in ' + (options.tooltipClass || '');
-	            tooltip
-	                .classed(classes, true)
-	                .selectAll('.popover-inner')
-	                .html(html);
-
-	            if (options.buttonText && options.buttonCallback) {
-	                var button = tooltip.selectAll('.button-section .button.action');
-	                button
-	                    .on('click', function() {
-	                        event.preventDefault();
-	                        options.buttonCallback();
-	                    });
-	            }
-
-	            var tip = copyBox(tooltip.node().getBoundingClientRect()),
-	                w = containerNode.clientWidth,
-	                h = containerNode.clientHeight,
-	                tooltipWidth = 200,
-	                tooltipArrow = 5,
-	                side, pos;
-
-
-	            // hack: this will have bottom placement,
-	            // so need to reserve extra space for the tooltip illustration.
-	            if (options.tooltipClass === 'intro-mouse') {
-	                tip.height += 80;
-	            }
-
-	            // trim box dimensions to just the portion that fits in the container..
-	            if (tooltipBox.top + tooltipBox.height > h) {
-	                tooltipBox.height -= (tooltipBox.top + tooltipBox.height - h);
-	            }
-	            if (tooltipBox.left + tooltipBox.width > w) {
-	                tooltipBox.width -= (tooltipBox.left + tooltipBox.width - w);
-	            }
-
-	            // determine tooltip placement..
-
-	            if (tooltipBox.top + tooltipBox.height < 100) {
-	                // tooltip below box..
-	                side = 'bottom';
-	                pos = [
-	                    tooltipBox.left + tooltipBox.width / 2 - tip.width / 2,
-	                    tooltipBox.top + tooltipBox.height
-	                ];
-
-	            } else if (tooltipBox.top > h - 140) {
-	                // tooltip above box..
-	                side = 'top';
-	                pos = [
-	                    tooltipBox.left + tooltipBox.width / 2 - tip.width / 2,
-	                    tooltipBox.top - tip.height
-	                ];
-
-	            } else {
-	                // tooltip to the side of the tooltipBox..
-	                var tipY = tooltipBox.top + tooltipBox.height / 2 - tip.height / 2;
-
-	                if (_mainLocalizer.textDirection() === 'rtl') {
-	                    if (tooltipBox.left - tooltipWidth - tooltipArrow < 70) {
-	                        side = 'right';
-	                        pos = [tooltipBox.left + tooltipBox.width + tooltipArrow, tipY];
-
-	                    } else {
-	                        side = 'left';
-	                        pos = [tooltipBox.left - tooltipWidth - tooltipArrow, tipY];
-	                    }
-
-	                } else {
-	                    if (tooltipBox.left + tooltipBox.width + tooltipArrow + tooltipWidth > w - 70) {
-	                        side = 'left';
-	                        pos = [tooltipBox.left - tooltipWidth - tooltipArrow, tipY];
-	                    }
-	                    else {
-	                        side = 'right';
-	                        pos = [tooltipBox.left + tooltipBox.width + tooltipArrow, tipY];
-	                    }
-	                }
-	            }
-
-	            if (options.duration !== 0 || !tooltip.classed(side)) {
-	                tooltip.call(uiToggle(true));
-	            }
-
-	            tooltip
-	                .style('top', pos[1] + 'px')
-	                .style('left', pos[0] + 'px')
-	                .attr('class', classes + ' ' + side);
-
-
-	            // shift popover-inner if it is very close to the top or bottom edge
-	            // (doesn't affect the placement of the popover-arrow)
-	            var shiftY = 0;
-	            if (side === 'left' || side === 'right') {
-	                if (pos[1] < 60) {
-	                    shiftY = 60 - pos[1];
-	                }
-	                else if (pos[1] + tip.height > h - 100) {
-	                    shiftY = h - pos[1] - tip.height - 100;
-	                }
-	            }
-	            tooltip.selectAll('.popover-inner')
-	                .style('top', shiftY + 'px');
-
-	        } else {
-	            tooltip
-	                .classed('in', false)
-	                .call(uiToggle(false));
-	        }
-
-	        curtain.cut(box, options.duration);
-
-	        return tooltip;
-	    };
-
-
-	    curtain.cut = function(datum, duration) {
-	        darkness.datum(datum)
-	            .interrupt();
-
-	        var selection;
-	        if (duration === 0) {
-	            selection = darkness;
-	        } else {
-	            selection = darkness
-	                .transition()
-	                .duration(duration || 600)
-	                .ease(linear$1);
-	        }
-
-	        selection
-	            .attr('d', function(d) {
-	                var containerWidth = containerNode.clientWidth;
-	                var containerHeight = containerNode.clientHeight;
-	                var string = 'M 0,0 L 0,' + containerHeight + ' L ' +
-	                    containerWidth + ',' + containerHeight + 'L' +
-	                    containerWidth + ',0 Z';
-
-	                if (!d) return string;
-	                return string + 'M' +
-	                    d.left + ',' + d.top + 'L' +
-	                    d.left + ',' + (d.top + d.height) + 'L' +
-	                    (d.left + d.width) + ',' + (d.top + d.height) + 'L' +
-	                    (d.left + d.width) + ',' + (d.top) + 'Z';
-
-	            });
-	    };
-
-
-	    curtain.remove = function() {
-	        surface.remove();
-	        tooltip.remove();
-	        select(window).on('resize.curtain', null);
-	    };
-
-
-	    // ClientRects are immutable, so copy them to an object,
-	    // in case we need to trim the height/width.
-	    function copyBox(src) {
-	        return {
-	            top: src.top,
-	            right: src.right,
-	            bottom: src.bottom,
-	            left: src.left,
-	            width: src.width,
-	            height: src.height
-	        };
-	    }
-
-
-	    return curtain;
-	}
-
-	function uiIntroWelcome(context, reveal) {
-	    var dispatch$1 = dispatch('done');
-
-	    var chapter = {
-	        title: 'intro.welcome.title'
-	    };
-
-
-	    function welcome() {
-	        context.map().centerZoom([-85.63591, 41.94285], 19);
-	        reveal('.intro-nav-wrap .chapter-welcome',
-	            helpString('intro.welcome.welcome'),
-	            { buttonText: _t('intro.ok'), buttonCallback: practice }
-	        );
-	    }
-
-	    function practice() {
-	        reveal('.intro-nav-wrap .chapter-welcome',
-	            helpString('intro.welcome.practice'),
-	            { buttonText: _t('intro.ok'), buttonCallback: words }
-	        );
-	    }
-
-	    function words() {
-	        reveal('.intro-nav-wrap .chapter-welcome',
-	            helpString('intro.welcome.words'),
-	            { buttonText: _t('intro.ok'), buttonCallback: chapters }
-	        );
-	    }
-
-
-	    function chapters() {
-	        dispatch$1.call('done');
-	        reveal('.intro-nav-wrap .chapter-navigation',
-	            helpString('intro.welcome.chapters', { next: _t('intro.navigation.title') })
-	        );
-	    }
-
-
-	    chapter.enter = function() {
-	        welcome();
-	    };
-
-
-	    chapter.exit = function() {
-	        context.container().select('.curtain-tooltip.intro-mouse')
-	            .selectAll('.counter')
-	            .remove();
-	    };
-
-
-	    chapter.restart = function() {
-	        chapter.exit();
-	        chapter.enter();
-	    };
-
-
-	    return utilRebind(chapter, dispatch$1, 'on');
-	}
-
-	function uiIntroNavigation(context, reveal) {
-	    var dispatch$1 = dispatch('done');
-	    var timeouts = [];
-	    var hallId = 'n2061';
-	    var townHall = [-85.63591, 41.94285];
-	    var springStreetId = 'w397';
-	    var springStreetEndId = 'n1834';
-	    var springStreet = [-85.63582, 41.94255];
-	    var onewayField = _mainPresetIndex.field('oneway');
-	    var maxspeedField = _mainPresetIndex.field('maxspeed');
-
-
-	    var chapter = {
-	        title: 'intro.navigation.title'
-	    };
-
-
-	    function timeout(f, t) {
-	        timeouts.push(window.setTimeout(f, t));
-	    }
-
-
-	    function eventCancel() {
-	        event.stopPropagation();
-	        event.preventDefault();
-	    }
-
-
-	    function isTownHallSelected() {
-	        var ids = context.selectedIDs();
-	        return ids.length === 1 && ids[0] === hallId;
-	    }
-
-
-	    function dragMap() {
-	        context.enter(modeBrowse(context));
-	        context.history().reset('initial');
-
-	        var msec = transitionTime(townHall, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(townHall, 19, msec);
-
-	        timeout(function() {
-	            var centerStart = context.map().center();
-
-	            var textId = context.lastPointerType() === 'mouse' ? 'drag' : 'drag_touch';
-	            var dragString = helpString('intro.navigation.map_info') + '{br}' + helpString('intro.navigation.' + textId);
-	            reveal('.surface', dragString);
-	            context.map().on('drawn.intro', function() {
-	                reveal('.surface', dragString, { duration: 0 });
-	            });
-
-	            context.map().on('move.intro', function() {
-	                var centerNow = context.map().center();
-	                if (centerStart[0] !== centerNow[0] || centerStart[1] !== centerNow[1]) {
-	                    context.map().on('move.intro', null);
-	                    timeout(function() { continueTo(zoomMap); }, 3000);
-	                }
-	            });
-
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function zoomMap() {
-	        var zoomStart = context.map().zoom();
-
-	        var textId = context.lastPointerType() === 'mouse' ? 'zoom' : 'zoom_touch';
-	        var zoomString = helpString('intro.navigation.' + textId);
-
-	        reveal('.surface', zoomString);
-
-	        context.map().on('drawn.intro', function() {
-	            reveal('.surface', zoomString, { duration: 0 });
-	        });
-
-	        context.map().on('move.intro', function() {
-	            if (context.map().zoom() !== zoomStart) {
-	                context.map().on('move.intro', null);
-	                timeout(function() { continueTo(features); }, 3000);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function features() {
-	        var onClick = function() { continueTo(pointsLinesAreas); };
-
-	        reveal('.surface', helpString('intro.navigation.features'),
-	            { buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        context.map().on('drawn.intro', function() {
-	            reveal('.surface', helpString('intro.navigation.features'),
-	                { duration: 0, buttonText: _t('intro.ok'), buttonCallback: onClick }
-	            );
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-	    function pointsLinesAreas() {
-	        var onClick = function() { continueTo(nodesWays); };
-
-	        reveal('.surface', helpString('intro.navigation.points_lines_areas'),
-	            { buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        context.map().on('drawn.intro', function() {
-	            reveal('.surface', helpString('intro.navigation.points_lines_areas'),
-	                { duration: 0, buttonText: _t('intro.ok'), buttonCallback: onClick }
-	            );
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-	    function nodesWays() {
-	        var onClick = function() { continueTo(clickTownHall); };
-
-	        reveal('.surface', helpString('intro.navigation.nodes_ways'),
-	            { buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        context.map().on('drawn.intro', function() {
-	            reveal('.surface', helpString('intro.navigation.nodes_ways'),
-	                { duration: 0, buttonText: _t('intro.ok'), buttonCallback: onClick }
-	            );
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-	    function clickTownHall() {
-	        context.enter(modeBrowse(context));
-	        context.history().reset('initial');
-
-	        var entity = context.hasEntity(hallId);
-	        if (!entity) return;
-	        reveal(null, null, { duration: 0 });
-	        context.map().centerZoomEase(entity.loc, 19, 500);
-
-	        timeout(function() {
-	            var entity = context.hasEntity(hallId);
-	            if (!entity) return;
-	            var box = pointBox(entity.loc, context);
-	            var textId = context.lastPointerType() === 'mouse' ? 'click_townhall' : 'tap_townhall';
-	            reveal(box, helpString('intro.navigation.' + textId));
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                var entity = context.hasEntity(hallId);
-	                if (!entity) return;
-	                var box = pointBox(entity.loc, context);
-	                reveal(box, helpString('intro.navigation.' + textId), { duration: 0 });
-	            });
-
-	            context.on('enter.intro', function() {
-	                if (isTownHallSelected()) continueTo(selectedTownHall);
-	            });
-
-	        }, 550);  // after centerZoomEase
-
-	        context.history().on('change.intro', function() {
-	            if (!context.hasEntity(hallId)) {
-	                continueTo(clickTownHall);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function selectedTownHall() {
-	        if (!isTownHallSelected()) return clickTownHall();
-
-	        var entity = context.hasEntity(hallId);
-	        if (!entity) return clickTownHall();
-
-	        var box = pointBox(entity.loc, context);
-	        var onClick = function() { continueTo(editorTownHall); };
-
-	        reveal(box, helpString('intro.navigation.selected_townhall'),
-	            { buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            var entity = context.hasEntity(hallId);
-	            if (!entity) return;
-	            var box = pointBox(entity.loc, context);
-	            reveal(box, helpString('intro.navigation.selected_townhall'),
-	                { duration: 0, buttonText: _t('intro.ok'), buttonCallback: onClick }
-	            );
-	        });
-
-	        context.history().on('change.intro', function() {
-	            if (!context.hasEntity(hallId)) {
-	                continueTo(clickTownHall);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function editorTownHall() {
-	        if (!isTownHallSelected()) return clickTownHall();
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        var onClick = function() { continueTo(presetTownHall); };
-
-	        reveal('.entity-editor-pane',
-	            helpString('intro.navigation.editor_townhall'),
-	            { buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        context.on('exit.intro', function() {
-	            continueTo(clickTownHall);
-	        });
-
-	        context.history().on('change.intro', function() {
-	            if (!context.hasEntity(hallId)) {
-	                continueTo(clickTownHall);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            context.history().on('change.intro', null);
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function presetTownHall() {
-	        if (!isTownHallSelected()) return clickTownHall();
-
-	        // reset pane, in case user happened to change it..
-	        context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        // preset match, in case the user happened to change it.
-	        var entity = context.entity(context.selectedIDs()[0]);
-	        var preset = _mainPresetIndex.match(entity, context.graph());
-
-	        var onClick = function() { continueTo(fieldsTownHall); };
-
-	        reveal('.entity-editor-pane .section-feature-type',
-	            helpString('intro.navigation.preset_townhall', { preset: preset.name() }),
-	            { buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        context.on('exit.intro', function() {
-	            continueTo(clickTownHall);
-	        });
-
-	        context.history().on('change.intro', function() {
-	            if (!context.hasEntity(hallId)) {
-	                continueTo(clickTownHall);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            context.history().on('change.intro', null);
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function fieldsTownHall() {
-	        if (!isTownHallSelected()) return clickTownHall();
-
-	        // reset pane, in case user happened to change it..
-	        context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        var onClick = function() { continueTo(closeTownHall); };
-
-	        reveal('.entity-editor-pane .section-preset-fields',
-	            helpString('intro.navigation.fields_townhall'),
-	            { buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        context.on('exit.intro', function() {
-	            continueTo(clickTownHall);
-	        });
-
-	        context.history().on('change.intro', function() {
-	            if (!context.hasEntity(hallId)) {
-	                continueTo(clickTownHall);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            context.history().on('change.intro', null);
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function closeTownHall() {
-	        if (!isTownHallSelected()) return clickTownHall();
-
-	        var selector = '.entity-editor-pane button.close svg use';
-	        var href = select(selector).attr('href') || '#iD-icon-close';
-
-	        reveal('.entity-editor-pane',
-	            helpString('intro.navigation.close_townhall', { button: icon(href, 'pre-text') })
-	        );
-
-	        context.on('exit.intro', function() {
-	            continueTo(searchStreet);
-	        });
-
-	        context.history().on('change.intro', function() {
-	            // update the close icon in the tooltip if the user edits something.
-	            var selector = '.entity-editor-pane button.close svg use';
-	            var href = select(selector).attr('href') || '#iD-icon-close';
-
-	            reveal('.entity-editor-pane',
-	                helpString('intro.navigation.close_townhall', { button: icon(href, 'pre-text') }),
-	                { duration: 0 }
-	            );
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function searchStreet() {
-	        context.enter(modeBrowse(context));
-	        context.history().reset('initial');  // ensure spring street exists
-
-	        var msec = transitionTime(springStreet, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(springStreet, 19, msec);  // ..and user can see it
-
-	        timeout(function() {
-	            reveal('.search-header input',
-	                helpString('intro.navigation.search_street', { name: _t('intro.graph.name.spring-street') })
-	            );
-
-	            context.container().select('.search-header input')
-	                .on('keyup.intro', checkSearchResult);
-	        }, msec + 100);
-	    }
-
-
-	    function checkSearchResult() {
-	        var first = context.container().select('.feature-list-item:nth-child(0n+2)');  // skip "No Results" item
-	        var firstName = first.select('.entity-name');
-	        var name = _t('intro.graph.name.spring-street');
-
-	        if (!firstName.empty() && firstName.text() === name) {
-	            reveal(first.node(),
-	                helpString('intro.navigation.choose_street', { name: name }),
-	                { duration: 300 }
-	            );
-
-	            context.on('exit.intro', function() {
-	                continueTo(selectedStreet);
-	            });
-
-	            context.container().select('.search-header input')
-	                .on('keydown.intro', eventCancel, true)
-	                .on('keyup.intro', null);
-	        }
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            context.container().select('.search-header input')
-	                .on('keydown.intro', null)
-	                .on('keyup.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function selectedStreet() {
-	        if (!context.hasEntity(springStreetEndId) || !context.hasEntity(springStreetId)) {
-	            return searchStreet();
-	        }
-
-	        var onClick = function() { continueTo(editorStreet); };
-	        var entity = context.entity(springStreetEndId);
-	        var box = pointBox(entity.loc, context);
-	        box.height = 500;
-
-	        reveal(box,
-	            helpString('intro.navigation.selected_street', { name: _t('intro.graph.name.spring-street') }),
-	            { duration: 600, buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        timeout(function() {
-	            context.map().on('move.intro drawn.intro', function() {
-	                var entity = context.hasEntity(springStreetEndId);
-	                if (!entity) return;
-	                var box = pointBox(entity.loc, context);
-	                box.height = 500;
-	                reveal(box,
-	                    helpString('intro.navigation.selected_street', { name: _t('intro.graph.name.spring-street') }),
-	                    { duration: 0, buttonText: _t('intro.ok'), buttonCallback: onClick }
-	                );
-	            });
-	        }, 600);  // after reveal.
-
-	        context.on('enter.intro', function(mode) {
-	            if (!context.hasEntity(springStreetId)) {
-	                return continueTo(searchStreet);
-	            }
-	            var ids = context.selectedIDs();
-	            if (mode.id !== 'select' || !ids.length || ids[0] !== springStreetId) {
-	                // keep Spring Street selected..
-	                context.enter(modeSelect(context, [springStreetId]));
-	            }
-	        });
-
-	        context.history().on('change.intro', function() {
-	            if (!context.hasEntity(springStreetEndId) || !context.hasEntity(springStreetId)) {
-	                timeout(function() {
-	                    continueTo(searchStreet);
-	                }, 300);  // after any transition (e.g. if user deleted intersection)
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function editorStreet() {
-	        var selector = '.entity-editor-pane button.close svg use';
-	        var href = select(selector).attr('href') || '#iD-icon-close';
-
-	        reveal('.entity-editor-pane', helpString('intro.navigation.street_different_fields') + '{br}' +
-	            helpString('intro.navigation.editor_street', {
-	                button: icon(href, 'pre-text'),
-	                field1: onewayField.label(),
-	                field2: maxspeedField.label()
-	            }));
-
-	        context.on('exit.intro', function() {
-	            continueTo(play);
-	        });
-
-	        context.history().on('change.intro', function() {
-	            // update the close icon in the tooltip if the user edits something.
-	            var selector = '.entity-editor-pane button.close svg use';
-	            var href = select(selector).attr('href') || '#iD-icon-close';
-
-	            reveal('.entity-editor-pane', helpString('intro.navigation.street_different_fields') + '{br}' +
-	                helpString('intro.navigation.editor_street', {
-	                    button: icon(href, 'pre-text'),
-	                    field1: onewayField.label(),
-	                    field2: maxspeedField.label()
-	                }), { duration: 0 }
-	            );
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function play() {
-	        dispatch$1.call('done');
-	        reveal('.ideditor',
-	            helpString('intro.navigation.play', { next: _t('intro.points.title') }), {
-	                tooltipBox: '.intro-nav-wrap .chapter-point',
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { reveal('.ideditor'); }
-	            }
-	        );
-	    }
-
-
-	    chapter.enter = function() {
-	        dragMap();
-	    };
-
-
-	    chapter.exit = function() {
-	        timeouts.forEach(window.clearTimeout);
-	        context.on('enter.intro exit.intro', null);
-	        context.map().on('move.intro drawn.intro', null);
-	        context.history().on('change.intro', null);
-	        context.container().select('.inspector-wrap').on('wheel.intro', null);
-	        context.container().select('.search-header input').on('keydown.intro keyup.intro', null);
-	    };
-
-
-	    chapter.restart = function() {
-	        chapter.exit();
-	        chapter.enter();
-	    };
-
-
-	    return utilRebind(chapter, dispatch$1, 'on');
-	}
-
-	function uiIntroPoint(context, reveal) {
-	    var dispatch$1 = dispatch('done');
-	    var timeouts = [];
-	    var intersection = [-85.63279, 41.94394];
-	    var building = [-85.632422, 41.944045];
-	    var cafePreset = _mainPresetIndex.item('amenity/cafe');
-	    var _pointID = null;
-
-
-	    var chapter = {
-	        title: 'intro.points.title'
-	    };
-
-
-	    function timeout(f, t) {
-	        timeouts.push(window.setTimeout(f, t));
-	    }
-
-
-	    function eventCancel() {
-	        event.stopPropagation();
-	        event.preventDefault();
-	    }
-
-
-	    function addPoint() {
-	        context.enter(modeBrowse(context));
-	        context.history().reset('initial');
-
-	        var msec = transitionTime(intersection, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(intersection, 19, msec);
-
-	        timeout(function() {
-	            var tooltip = reveal('button.add-point',
-	                helpString('intro.points.points_info') + '{br}' + helpString('intro.points.add_point'));
-
-	            _pointID = null;
-
-	            tooltip.selectAll('.popover-inner')
-	                .insert('svg', 'span')
-	                .attr('class', 'tooltip-illustration')
-	                .append('use')
-	                .attr('xlink:href', '#iD-graphic-points');
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'add-point') return;
-	                continueTo(placePoint);
-	            });
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function placePoint() {
-	        if (context.mode().id !== 'add-point') {
-	            return chapter.restart();
-	        }
-
-	        var pointBox = pad(building, 150, context);
-	        var textId = context.lastPointerType() === 'mouse' ? 'place_point' : 'place_point_touch';
-	        reveal(pointBox, helpString('intro.points.' + textId));
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            pointBox = pad(building, 150, context);
-	            reveal(pointBox, helpString('intro.points.' + textId), { duration: 0 });
-	        });
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id !== 'select') return chapter.restart();
-	            _pointID = context.mode().selectedIDs()[0];
-	            continueTo(searchPreset);
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function searchPreset() {
-	        if (context.mode().id !== 'select' || !_pointID || !context.hasEntity(_pointID)) {
-	            return addPoint();
-	        }
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        context.container().select('.preset-search-input')
-	            .on('keydown.intro', null)
-	            .on('keyup.intro', checkPresetSearch);
-
-	        reveal('.preset-search-input',
-	            helpString('intro.points.search_cafe', { preset: cafePreset.name() })
-	        );
-
-	        context.on('enter.intro', function(mode) {
-	            if (!_pointID || !context.hasEntity(_pointID)) {
-	                return continueTo(addPoint);
-	            }
-
-	            var ids = context.selectedIDs();
-	            if (mode.id !== 'select' || !ids.length || ids[0] !== _pointID) {
-	                // keep the user's point selected..
-	                context.enter(modeSelect(context, [_pointID]));
-
-	                // disallow scrolling
-	                context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	                context.container().select('.preset-search-input')
-	                    .on('keydown.intro', null)
-	                    .on('keyup.intro', checkPresetSearch);
-
-	                reveal('.preset-search-input',
-	                    helpString('intro.points.search_cafe', { preset: cafePreset.name() })
-	                );
-
-	                context.history().on('change.intro', null);
-	            }
-	        });
-
-
-	        function checkPresetSearch() {
-	            var first = context.container().select('.preset-list-item:first-child');
-
-	            if (first.classed('preset-amenity-cafe')) {
-	                context.container().select('.preset-search-input')
-	                    .on('keydown.intro', eventCancel, true)
-	                    .on('keyup.intro', null);
-
-	                reveal(first.select('.preset-list-button').node(),
-	                    helpString('intro.points.choose_cafe', { preset: cafePreset.name() }),
-	                    { duration: 300 }
-	                );
-
-	                context.history().on('change.intro', function() {
-	                    continueTo(aboutFeatureEditor);
-	                });
-	            }
-	        }
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            context.history().on('change.intro', null);
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            context.container().select('.preset-search-input').on('keydown.intro keyup.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function aboutFeatureEditor() {
-	        if (context.mode().id !== 'select' || !_pointID || !context.hasEntity(_pointID)) {
-	            return addPoint();
-	        }
-
-	        timeout(function() {
-	            reveal('.entity-editor-pane', helpString('intro.points.feature_editor'), {
-	                tooltipClass: 'intro-points-describe',
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { continueTo(addName); }
-	            });
-	        }, 400);
-
-	        context.on('exit.intro', function() {
-	            // if user leaves select mode here, just continue with the tutorial.
-	            continueTo(reselectPoint);
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function addName() {
-	        if (context.mode().id !== 'select' || !_pointID || !context.hasEntity(_pointID)) {
-	            return addPoint();
-	        }
-
-	        // reset pane, in case user happened to change it..
-	        context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-
-	        var addNameString = helpString('intro.points.fields_info') + '{br}' + helpString('intro.points.add_name');
-
-	        timeout(function() {
-	            // It's possible for the user to add a name in a previous step..
-	            // If so, don't tell them to add the name in this step.
-	            // Give them an OK button instead.
-	            var entity = context.entity(_pointID);
-	            if (entity.tags.name) {
-	                var tooltip = reveal('.entity-editor-pane', addNameString, {
-	                    tooltipClass: 'intro-points-describe',
-	                    buttonText: _t('intro.ok'),
-	                    buttonCallback: function() { continueTo(addCloseEditor); }
-	                });
-	                tooltip.select('.instruction').style('display', 'none');
-
-	            } else {
-	                reveal('.entity-editor-pane', addNameString,
-	                    { tooltipClass: 'intro-points-describe' }
-	                );
-	            }
-	        }, 400);
-
-	        context.history().on('change.intro', function() {
-	            continueTo(addCloseEditor);
-	        });
-
-	        context.on('exit.intro', function() {
-	            // if user leaves select mode here, just continue with the tutorial.
-	            continueTo(reselectPoint);
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function addCloseEditor() {
-	        // reset pane, in case user happened to change it..
-	        context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-
-	        var selector = '.entity-editor-pane button.close svg use';
-	        var href = select(selector).attr('href') || '#iD-icon-close';
-
-	        context.on('exit.intro', function() {
-	            continueTo(reselectPoint);
-	        });
-
-	        reveal('.entity-editor-pane',
-	            helpString('intro.points.add_close', { button: icon(href, 'pre-text') })
-	        );
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function reselectPoint() {
-	        if (!_pointID) return chapter.restart();
-	        var entity = context.hasEntity(_pointID);
-	        if (!entity) return chapter.restart();
-
-	        // make sure it's still a cafe, in case user somehow changed it..
-	        var oldPreset = _mainPresetIndex.match(entity, context.graph());
-	        context.replace(actionChangePreset(_pointID, oldPreset, cafePreset));
-
-	        context.enter(modeBrowse(context));
-
-	        var msec = transitionTime(entity.loc, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerEase(entity.loc, msec);
-
-	        timeout(function() {
-	            var box = pointBox(entity.loc, context);
-	            reveal(box, helpString('intro.points.reselect'), { duration: 600 });
-
-	            timeout(function() {
-	                context.map().on('move.intro drawn.intro', function() {
-	                    var entity = context.hasEntity(_pointID);
-	                    if (!entity) return chapter.restart();
-	                    var box = pointBox(entity.loc, context);
-	                    reveal(box, helpString('intro.points.reselect'), { duration: 0 });
-	                });
-	            }, 600); // after reveal..
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'select') return;
-	                continueTo(updatePoint);
-	            });
-
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function updatePoint() {
-	        if (context.mode().id !== 'select' || !_pointID || !context.hasEntity(_pointID)) {
-	            return continueTo(reselectPoint);
-	        }
-
-	        // reset pane, in case user happened to untag the point..
-	        context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-
-	        context.on('exit.intro', function() {
-	            continueTo(reselectPoint);
-	        });
-
-	        context.history().on('change.intro', function() {
-	            continueTo(updateCloseEditor);
-	        });
-
-	        timeout(function() {
-	            reveal('.entity-editor-pane', helpString('intro.points.update'),
-	                { tooltipClass: 'intro-points-describe' }
-	            );
-	        }, 400);
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function updateCloseEditor() {
-	        if (context.mode().id !== 'select' || !_pointID || !context.hasEntity(_pointID)) {
-	            return continueTo(reselectPoint);
-	        }
-
-	        // reset pane, in case user happened to change it..
-	        context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-
-	        context.on('exit.intro', function() {
-	            continueTo(rightClickPoint);
-	        });
-
-	        timeout(function() {
-	            reveal('.entity-editor-pane',
-	                helpString('intro.points.update_close', { button: icon('#iD-icon-close', 'pre-text') })
-	            );
-	        }, 500);
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function rightClickPoint() {
-	        if (!_pointID) return chapter.restart();
-	        var entity = context.hasEntity(_pointID);
-	        if (!entity) return chapter.restart();
-
-	        context.enter(modeBrowse(context));
-
-	        var box = pointBox(entity.loc, context);
-	        var textId = context.lastPointerType() === 'mouse' ? 'rightclick' : 'edit_menu_touch';
-	        reveal(box, helpString('intro.points.' + textId), { duration: 600 });
-
-	        timeout(function() {
-	            context.map().on('move.intro', function() {
-	                var entity = context.hasEntity(_pointID);
-	                if (!entity) return chapter.restart();
-	                var box = pointBox(entity.loc, context);
-	                reveal(box, helpString('intro.points.' + textId), { duration: 0 });
-	            });
-	        }, 600); // after reveal
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id !== 'select') return;
-	            var ids = context.selectedIDs();
-	            if (ids.length !== 1 || ids[0] !== _pointID) return;
-
-	            timeout(function() {
-	                var node = selectMenuItem(context, 'delete').node();
-	                if (!node) return;
-	                continueTo(enterDelete);
-	            }, 50);  // after menu visible
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            context.map().on('move.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function enterDelete() {
-	        if (!_pointID) return chapter.restart();
-	        var entity = context.hasEntity(_pointID);
-	        if (!entity) return chapter.restart();
-
-	        var node = selectMenuItem(context, 'delete').node();
-	        if (!node) { return continueTo(rightClickPoint); }
-
-	        reveal('.edit-menu',
-	            helpString('intro.points.delete'),
-	            { padding: 50 }
-	        );
-
-	        timeout(function() {
-	            context.map().on('move.intro', function() {
-	                reveal('.edit-menu',
-	                    helpString('intro.points.delete'),
-	                    { duration: 0,  padding: 50 }
-	                );
-	            });
-	        }, 300); // after menu visible
-
-	        context.on('exit.intro', function() {
-	            if (!_pointID) return chapter.restart();
-	            var entity = context.hasEntity(_pointID);
-	            if (entity) return continueTo(rightClickPoint);  // point still exists
-	        });
-
-	        context.history().on('change.intro', function(changed) {
-	            if (changed.deleted().length) {
-	                continueTo(undo);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro', null);
-	            context.history().on('change.intro', null);
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function undo() {
-	        context.history().on('change.intro', function() {
-	            continueTo(play);
-	        });
-
-	        reveal('.top-toolbar button.undo-button',
-	            helpString('intro.points.undo')
-	        );
-
-	        function continueTo(nextStep) {
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function play() {
-	        dispatch$1.call('done');
-	        reveal('.ideditor',
-	            helpString('intro.points.play', { next: _t('intro.areas.title') }), {
-	                tooltipBox: '.intro-nav-wrap .chapter-area',
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { reveal('.ideditor'); }
-	            }
-	        );
-	    }
-
-
-	    chapter.enter = function() {
-	        addPoint();
-	    };
-
-
-	    chapter.exit = function() {
-	        timeouts.forEach(window.clearTimeout);
-	        context.on('enter.intro exit.intro', null);
-	        context.map().on('move.intro drawn.intro', null);
-	        context.history().on('change.intro', null);
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-	        context.container().select('.preset-search-input').on('keydown.intro keyup.intro', null);
-	    };
-
-
-	    chapter.restart = function() {
-	        chapter.exit();
-	        chapter.enter();
-	    };
-
-
-	    return utilRebind(chapter, dispatch$1, 'on');
-	}
-
-	function uiIntroArea(context, reveal) {
-	    var dispatch$1 = dispatch('done');
-	    var playground = [-85.63552, 41.94159];
-	    var playgroundPreset = _mainPresetIndex.item('leisure/playground');
-	    var nameField = _mainPresetIndex.field('name');
-	    var descriptionField = _mainPresetIndex.field('description');
-	    var timeouts = [];
-	    var _areaID;
-
-
-	    var chapter = {
-	        title: 'intro.areas.title'
-	    };
-
-
-	    function timeout(f, t) {
-	        timeouts.push(window.setTimeout(f, t));
-	    }
-
-
-	    function eventCancel() {
-	        event.stopPropagation();
-	        event.preventDefault();
-	    }
-
-
-	    function revealPlayground(center, text, options) {
-	        var padding = 180 * Math.pow(2, context.map().zoom() - 19.5);
-	        var box = pad(center, padding, context);
-	        reveal(box, text, options);
-	    }
-
-
-	    function addArea() {
-	        context.enter(modeBrowse(context));
-	        context.history().reset('initial');
-	        _areaID = null;
-
-	        var msec = transitionTime(playground, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(playground, 19, msec);
-
-	        timeout(function() {
-	            var tooltip = reveal('button.add-area',
-	                helpString('intro.areas.add_playground'));
-
-	            tooltip.selectAll('.popover-inner')
-	                .insert('svg', 'span')
-	                .attr('class', 'tooltip-illustration')
-	                .append('use')
-	                .attr('xlink:href', '#iD-graphic-areas');
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'add-area') return;
-	                continueTo(startPlayground);
-	            });
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function startPlayground() {
-	        if (context.mode().id !== 'add-area') {
-	            return chapter.restart();
-	        }
-
-	        _areaID = null;
-	        context.map().zoomEase(19.5, 500);
-
-	        timeout(function() {
-	            var textId = context.lastPointerType() === 'mouse' ? 'starting_node_click' : 'starting_node_tap';
-	            var startDrawString = helpString('intro.areas.start_playground') + helpString('intro.areas.' + textId);
-	            revealPlayground(playground,
-	                startDrawString, { duration: 250 }
-	            );
-
-	            timeout(function() {
-	                context.map().on('move.intro drawn.intro', function() {
-	                    revealPlayground(playground,
-	                        startDrawString, { duration: 0 }
-	                    );
-	                });
-	                context.on('enter.intro', function(mode) {
-	                    if (mode.id !== 'draw-area') return chapter.restart();
-	                    continueTo(continuePlayground);
-	                });
-	            }, 250);  // after reveal
-
-	        }, 550);  // after easing
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function continuePlayground() {
-	        if (context.mode().id !== 'draw-area') {
-	            return chapter.restart();
-	        }
-
-	        _areaID = null;
-	        revealPlayground(playground,
-	            helpString('intro.areas.continue_playground'),
-	            { duration: 250 }
-	        );
-
-	        timeout(function() {
-	            context.map().on('move.intro drawn.intro', function() {
-	                revealPlayground(playground,
-	                    helpString('intro.areas.continue_playground'),
-	                    { duration: 0 }
-	                );
-	            });
-	        }, 250);  // after reveal
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id === 'draw-area') {
-	                var entity = context.hasEntity(context.selectedIDs()[0]);
-	                if (entity && entity.nodes.length >= 6) {
-	                    return continueTo(finishPlayground);
-	                } else {
-	                    return;
-	                }
-	            } else if (mode.id === 'select') {
-	                _areaID = context.selectedIDs()[0];
-	                return continueTo(searchPresets);
-	            } else {
-	                return chapter.restart();
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function finishPlayground() {
-	        if (context.mode().id !== 'draw-area') {
-	            return chapter.restart();
-	        }
-
-	        _areaID = null;
-
-	        var finishString = helpString('intro.areas.finish_area_' + (context.lastPointerType() === 'mouse' ? 'click' : 'tap')) +
-	            helpString('intro.areas.finish_playground');
-	        revealPlayground(playground,
-	            finishString, { duration: 250 }
-	        );
-
-	        timeout(function() {
-	            context.map().on('move.intro drawn.intro', function() {
-	                revealPlayground(playground,
-	                    finishString, { duration: 0 }
-	                );
-	            });
-	        }, 250);  // after reveal
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id === 'draw-area') {
-	                return;
-	            } else if (mode.id === 'select') {
-	                _areaID = context.selectedIDs()[0];
-	                return continueTo(searchPresets);
-	            } else {
-	                return chapter.restart();
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function searchPresets() {
-	        if (!_areaID || !context.hasEntity(_areaID)) {
-	            return addArea();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _areaID) {
-	            context.enter(modeSelect(context, [_areaID]));
-	        }
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        timeout(function() {
-	            // reset pane, in case user somehow happened to change it..
-	            context.container().select('.inspector-wrap .panewrap').style('right', '-100%');
-
-	            context.container().select('.preset-search-input')
-	                .on('keydown.intro', null)
-	                .on('keyup.intro', checkPresetSearch);
-
-	            reveal('.preset-search-input',
-	                helpString('intro.areas.search_playground', { preset: playgroundPreset.name() })
-	            );
-	        }, 400);  // after preset list pane visible..
-
-	        context.on('enter.intro', function(mode) {
-	            if (!_areaID || !context.hasEntity(_areaID)) {
-	                return continueTo(addArea);
-	            }
-
-	            var ids = context.selectedIDs();
-	            if (mode.id !== 'select' || !ids.length || ids[0] !== _areaID) {
-	                // keep the user's area selected..
-	                context.enter(modeSelect(context, [_areaID]));
-
-	                // reset pane, in case user somehow happened to change it..
-	                context.container().select('.inspector-wrap .panewrap').style('right', '-100%');
-	                // disallow scrolling
-	                context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	                context.container().select('.preset-search-input')
-	                    .on('keydown.intro', null)
-	                    .on('keyup.intro', checkPresetSearch);
-
-	                reveal('.preset-search-input',
-	                    helpString('intro.areas.search_playground', { preset: playgroundPreset.name() })
-	                );
-
-	                context.history().on('change.intro', null);
-	            }
-	        });
-
-	        function checkPresetSearch() {
-	            var first = context.container().select('.preset-list-item:first-child');
-
-	            if (first.classed('preset-leisure-playground')) {
-	                reveal(first.select('.preset-list-button').node(),
-	                    helpString('intro.areas.choose_playground', { preset: playgroundPreset.name() }),
-	                    { duration: 300 }
-	                );
-
-	                context.container().select('.preset-search-input')
-	                    .on('keydown.intro', eventCancel, true)
-	                    .on('keyup.intro', null);
-
-	                context.history().on('change.intro', function() {
-	                    continueTo(clickAddField);
-	                });
-	            }
-	        }
-
-	        function continueTo(nextStep) {
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            context.on('enter.intro', null);
-	            context.history().on('change.intro', null);
-	            context.container().select('.preset-search-input').on('keydown.intro keyup.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function clickAddField() {
-	        if (!_areaID || !context.hasEntity(_areaID)) {
-	            return addArea();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _areaID) {
-	            return searchPresets();
-	        }
-
-	        if (!context.container().select('.form-field-description').empty()) {
-	            return continueTo(describePlayground);
-	        }
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        timeout(function() {
-	            // reset pane, in case user somehow happened to change it..
-	            context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-
-	            // It's possible for the user to add a description in a previous step..
-	            // If they did this already, just continue to next step.
-	            var entity = context.entity(_areaID);
-	            if (entity.tags.description) {
-	                return continueTo(play);
-	            }
-
-	            // scroll "Add field" into view
-	            var box = context.container().select('.more-fields').node().getBoundingClientRect();
-	            if (box.top > 300) {
-	                var pane = context.container().select('.entity-editor-pane .inspector-body');
-	                var start = pane.node().scrollTop;
-	                var end = start + (box.top - 300);
-
-	                pane
-	                    .transition()
-	                    .duration(250)
-	                    .tween('scroll.inspector', function() {
-	                        var node = this;
-	                        var i = d3_interpolateNumber(start, end);
-	                        return function(t) {
-	                            node.scrollTop = i(t);
-	                        };
-	                    });
-	            }
-
-	            timeout(function() {
-	                reveal('.more-fields .combobox-input',
-	                    helpString('intro.areas.add_field', {
-	                        name: nameField.label(),
-	                        description: descriptionField.label()
-	                    }),
-	                    { duration: 300 }
-	                );
-
-	                context.container().select('.more-fields .combobox-input')
-	                    .on('click.intro', function() {
-	                        // Watch for the combobox to appear...
-	                        var watcher;
-	                        watcher = window.setInterval(function() {
-	                            if (!context.container().select('div.combobox').empty()) {
-	                                window.clearInterval(watcher);
-	                                continueTo(chooseDescriptionField);
-	                            }
-	                        }, 300);
-	                    });
-	            }, 300);  // after "Add Field" visible
-
-	        }, 400);  // after editor pane visible
-
-	        context.on('exit.intro', function() {
-	            return continueTo(searchPresets);
-	        });
-
-	        function continueTo(nextStep) {
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            context.container().select('.more-fields .combobox-input').on('click.intro', null);
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function chooseDescriptionField() {
-	        if (!_areaID || !context.hasEntity(_areaID)) {
-	            return addArea();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _areaID) {
-	            return searchPresets();
-	        }
-
-	        if (!context.container().select('.form-field-description').empty()) {
-	            return continueTo(describePlayground);
-	        }
-
-	        // Make sure combobox is ready..
-	        if (context.container().select('div.combobox').empty()) {
-	            return continueTo(clickAddField);
-	        }
-	        // Watch for the combobox to go away..
-	        var watcher;
-	        watcher = window.setInterval(function() {
-	            if (context.container().select('div.combobox').empty()) {
-	                window.clearInterval(watcher);
-	                timeout(function() {
-	                    if (context.container().select('.form-field-description').empty()) {
-	                        continueTo(retryChooseDescription);
-	                    } else {
-	                        continueTo(describePlayground);
-	                    }
-	                }, 300);  // after description field added.
-	            }
-	        }, 300);
-
-	        reveal('div.combobox',
-	            helpString('intro.areas.choose_field', { field: descriptionField.label() }),
-	            { duration: 300 }
-	        );
-
-	        context.on('exit.intro', function() {
-	            return continueTo(searchPresets);
-	        });
-
-	        function continueTo(nextStep) {
-	            if (watcher) window.clearInterval(watcher);
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function describePlayground() {
-	        if (!_areaID || !context.hasEntity(_areaID)) {
-	            return addArea();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _areaID) {
-	            return searchPresets();
-	        }
-
-	        // reset pane, in case user happened to change it..
-	        context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-
-	        if (context.container().select('.form-field-description').empty()) {
-	            return continueTo(retryChooseDescription);
-	        }
-
-	        context.on('exit.intro', function() {
-	            continueTo(play);
-	        });
-
-	        reveal('.entity-editor-pane',
-	            helpString('intro.areas.describe_playground', { button: icon('#iD-icon-close', 'pre-text') }),
-	            { duration: 300 }
-	        );
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function retryChooseDescription() {
-	        if (!_areaID || !context.hasEntity(_areaID)) {
-	            return addArea();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _areaID) {
-	            return searchPresets();
-	        }
-
-	        // reset pane, in case user happened to change it..
-	        context.container().select('.inspector-wrap .panewrap').style('right', '0%');
-
-	        reveal('.entity-editor-pane',
-	            helpString('intro.areas.retry_add_field', { field: descriptionField.label() }), {
-	            buttonText: _t('intro.ok'),
-	            buttonCallback: function() { continueTo(clickAddField); }
-	        });
-
-	        context.on('exit.intro', function() {
-	            return continueTo(searchPresets);
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function play() {
-	        dispatch$1.call('done');
-	        reveal('.ideditor',
-	            helpString('intro.areas.play', { next: _t('intro.lines.title') }), {
-	                tooltipBox: '.intro-nav-wrap .chapter-line',
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { reveal('.ideditor'); }
-	            }
-	        );
-	    }
-
-
-	    chapter.enter = function() {
-	        addArea();
-	    };
-
-
-	    chapter.exit = function() {
-	        timeouts.forEach(window.clearTimeout);
-	        context.on('enter.intro exit.intro', null);
-	        context.map().on('move.intro drawn.intro', null);
-	        context.history().on('change.intro', null);
-	        context.container().select('.inspector-wrap').on('wheel.intro', null);
-	        context.container().select('.preset-search-input').on('keydown.intro keyup.intro', null);
-	        context.container().select('.more-fields .combobox-input').on('click.intro', null);
-	    };
-
-
-	    chapter.restart = function() {
-	        chapter.exit();
-	        chapter.enter();
-	    };
-
-
-	    return utilRebind(chapter, dispatch$1, 'on');
-	}
-
-	function uiIntroLine(context, reveal) {
-	    var dispatch$1 = dispatch('done');
-	    var timeouts = [];
-	    var _tulipRoadID = null;
-	    var flowerRoadID = 'w646';
-	    var tulipRoadStart = [-85.6297754121684, 41.95805253325314];
-	    var tulipRoadMidpoint = [-85.62975395449628, 41.95787501510204];
-	    var tulipRoadIntersection = [-85.62974496187628, 41.95742515554585];
-	    var roadCategory = _mainPresetIndex.item('category-road_minor');
-	    var residentialPreset = _mainPresetIndex.item('highway/residential');
-	    var woodRoadID = 'w525';
-	    var woodRoadEndID = 'n2862';
-	    var woodRoadAddNode = [-85.62390110349587, 41.95397111462291];
-	    var woodRoadDragEndpoint = [-85.623867390213, 41.95466987786487];
-	    var woodRoadDragMidpoint = [-85.62386254803509, 41.95430395953872];
-	    var washingtonStreetID = 'w522';
-	    var twelfthAvenueID = 'w1';
-	    var eleventhAvenueEndID = 'n3550';
-	    var twelfthAvenueEndID = 'n5';
-	    var _washingtonSegmentID = null;
-	    var eleventhAvenueEnd = context.entity(eleventhAvenueEndID).loc;
-	    var twelfthAvenueEnd = context.entity(twelfthAvenueEndID).loc;
-	    var deleteLinesLoc = [-85.6219395542764, 41.95228033922477];
-	    var twelfthAvenue = [-85.62219310052491, 41.952505413152956];
-
-
-	    var chapter = {
-	        title: 'intro.lines.title'
-	    };
-
-
-	    function timeout(f, t) {
-	        timeouts.push(window.setTimeout(f, t));
-	    }
-
-
-	    function eventCancel() {
-	        event.stopPropagation();
-	        event.preventDefault();
-	    }
-
-
-	    function addLine() {
-	        context.enter(modeBrowse(context));
-	        context.history().reset('initial');
-
-	        var msec = transitionTime(tulipRoadStart, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(tulipRoadStart, 18.5, msec);
-
-	        timeout(function() {
-	            var tooltip = reveal('button.add-line',
-	                helpString('intro.lines.add_line'));
-
-	            tooltip.selectAll('.popover-inner')
-	                .insert('svg', 'span')
-	                .attr('class', 'tooltip-illustration')
-	                .append('use')
-	                .attr('xlink:href', '#iD-graphic-lines');
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'add-line') return;
-	                continueTo(startLine);
-	            });
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function startLine() {
-	        if (context.mode().id !== 'add-line') return chapter.restart();
-
-	        _tulipRoadID = null;
-
-	        var padding = 70 * Math.pow(2, context.map().zoom() - 18);
-	        var box = pad(tulipRoadStart, padding, context);
-	        box.height = box.height + 100;
-
-	        var textId = context.lastPointerType() === 'mouse' ? 'start_line' : 'start_line_tap';
-	        var startLineString = helpString('intro.lines.missing_road') + '{br}' +
-	            helpString('intro.lines.line_draw_info') +
-	            helpString('intro.lines.' + textId);
-	        reveal(box, startLineString);
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            padding = 70 * Math.pow(2, context.map().zoom() - 18);
-	            box = pad(tulipRoadStart, padding, context);
-	            box.height = box.height + 100;
-	            reveal(box, startLineString, { duration: 0 });
-	        });
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id !== 'draw-line') return chapter.restart();
-	            continueTo(drawLine);
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function drawLine() {
-	        if (context.mode().id !== 'draw-line') return chapter.restart();
-
-	        _tulipRoadID = context.mode().selectedIDs()[0];
-	        context.map().centerEase(tulipRoadMidpoint, 500);
-
-	        timeout(function() {
-	            var padding = 200 * Math.pow(2, context.map().zoom() - 18.5);
-	            var box = pad(tulipRoadMidpoint, padding, context);
-	            box.height = box.height * 2;
-	            reveal(box,
-	                helpString('intro.lines.intersect', { name: _t('intro.graph.name.flower-street') })
-	            );
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                padding = 200 * Math.pow(2, context.map().zoom() - 18.5);
-	                box = pad(tulipRoadMidpoint, padding, context);
-	                box.height = box.height * 2;
-	                reveal(box,
-	                    helpString('intro.lines.intersect', { name: _t('intro.graph.name.flower-street') }),
-	                    { duration: 0 }
-	                );
-	            });
-	        }, 550);  // after easing..
-
-	        context.history().on('change.intro', function() {
-	            if (isLineConnected()) {
-	                continueTo(continueLine);
-	            }
-	        });
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id === 'draw-line') {
-	                return;
-	            } else if (mode.id === 'select') {
-	                continueTo(retryIntersect);
-	                return;
-	            } else {
-	                return chapter.restart();
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function isLineConnected() {
-	        var entity = _tulipRoadID && context.hasEntity(_tulipRoadID);
-	        if (!entity) return false;
-
-	        var drawNodes = context.graph().childNodes(entity);
-	        return drawNodes.some(function(node) {
-	            return context.graph().parentWays(node).some(function(parent) {
-	                return parent.id === flowerRoadID;
-	            });
-	        });
-	    }
-
-
-	    function retryIntersect() {
-	        select(window).on('pointerdown.intro mousedown.intro', eventCancel, true);
-
-	        var box = pad(tulipRoadIntersection, 80, context);
-	        reveal(box,
-	            helpString('intro.lines.retry_intersect', { name: _t('intro.graph.name.flower-street') })
-	        );
-
-	        timeout(chapter.restart, 3000);
-	    }
-
-
-	    function continueLine() {
-	        if (context.mode().id !== 'draw-line') return chapter.restart();
-	        var entity = _tulipRoadID && context.hasEntity(_tulipRoadID);
-	        if (!entity) return chapter.restart();
-
-	        context.map().centerEase(tulipRoadIntersection, 500);
-
-	        var continueLineText = helpString('intro.lines.continue_line') + '{br}' +
-	            helpString('intro.lines.finish_line_' + (context.lastPointerType() === 'mouse' ? 'click' : 'tap')) +
-	            helpString('intro.lines.finish_road');
-
-	        reveal('.surface', continueLineText);
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id === 'draw-line')
-	                return;
-	            else if (mode.id === 'select')
-	                return continueTo(chooseCategoryRoad);
-	            else
-	                return chapter.restart();
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function chooseCategoryRoad() {
-	        if (context.mode().id !== 'select') return chapter.restart();
-
-	        context.on('exit.intro', function() {
-	            return chapter.restart();
-	        });
-
-	        var button = context.container().select('.preset-category-road_minor .preset-list-button');
-	        if (button.empty()) return chapter.restart();
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        timeout(function() {
-	            // reset pane, in case user somehow happened to change it..
-	            context.container().select('.inspector-wrap .panewrap').style('right', '-100%');
-
-	            reveal(button.node(),
-	                helpString('intro.lines.choose_category_road', { category: roadCategory.name() })
-	            );
-
-	            button.on('click.intro', function() {
-	                continueTo(choosePresetResidential);
-	            });
-
-	        }, 400);  // after editor pane visible
-
-	        function continueTo(nextStep) {
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            context.container().select('.preset-list-button').on('click.intro', null);
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function choosePresetResidential() {
-	        if (context.mode().id !== 'select') return chapter.restart();
-
-	        context.on('exit.intro', function() {
-	            return chapter.restart();
-	        });
-
-	        var subgrid = context.container().select('.preset-category-road_minor .subgrid');
-	        if (subgrid.empty()) return chapter.restart();
-
-	        subgrid.selectAll(':not(.preset-highway-residential) .preset-list-button')
-	            .on('click.intro', function() {
-	                continueTo(retryPresetResidential);
-	            });
-
-	        subgrid.selectAll('.preset-highway-residential .preset-list-button')
-	            .on('click.intro', function() {
-	                continueTo(nameRoad);
-	            });
-
-	        timeout(function() {
-	            reveal(subgrid.node(),
-	                helpString('intro.lines.choose_preset_residential', { preset: residentialPreset.name() }),
-	                { tooltipBox: '.preset-highway-residential .preset-list-button', duration: 300 }
-	            );
-	        }, 300);
-
-	        function continueTo(nextStep) {
-	            context.container().select('.preset-list-button').on('click.intro', null);
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    // selected wrong road type
-	    function retryPresetResidential() {
-	        if (context.mode().id !== 'select') return chapter.restart();
-
-	        context.on('exit.intro', function() {
-	            return chapter.restart();
-	        });
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        timeout(function() {
-	            var button = context.container().select('.entity-editor-pane .preset-list-button');
-
-	            reveal(button.node(),
-	                helpString('intro.lines.retry_preset_residential', { preset: residentialPreset.name() })
-	            );
-
-	            button.on('click.intro', function() {
-	                continueTo(chooseCategoryRoad);
-	            });
-
-	        }, 500);
-
-	        function continueTo(nextStep) {
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            context.container().select('.preset-list-button').on('click.intro', null);
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function nameRoad() {
-	        context.on('exit.intro', function() {
-	            continueTo(didNameRoad);
-	        });
-
-	        timeout(function() {
-	            reveal('.entity-editor-pane',
-	                helpString('intro.lines.name_road', { button: icon('#iD-icon-close', 'pre-text') }),
-	                { tooltipClass: 'intro-lines-name_road' }
-	            );
-	        }, 500);
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function didNameRoad() {
-	        context.history().checkpoint('doneAddLine');
-
-	        timeout(function() {
-	            reveal('.surface', helpString('intro.lines.did_name_road'), {
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { continueTo(updateLine); }
-	            });
-	        }, 500);
-
-	        function continueTo(nextStep) {
-	            nextStep();
-	        }
-	    }
-
-
-	    function updateLine() {
-	        context.history().reset('doneAddLine');
-	        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	            return chapter.restart();
-	        }
-
-	        var msec = transitionTime(woodRoadDragMidpoint, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(woodRoadDragMidpoint, 19, msec);
-
-	        timeout(function() {
-	            var padding = 250 * Math.pow(2, context.map().zoom() - 19);
-	            var box = pad(woodRoadDragMidpoint, padding, context);
-	            var advance = function() { continueTo(addNode); };
-
-	            reveal(box, helpString('intro.lines.update_line'),
-	                { buttonText: _t('intro.ok'), buttonCallback: advance }
-	            );
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                var padding = 250 * Math.pow(2, context.map().zoom() - 19);
-	                var box = pad(woodRoadDragMidpoint, padding, context);
-	                reveal(box, helpString('intro.lines.update_line'),
-	                    { duration: 0, buttonText: _t('intro.ok'), buttonCallback: advance }
-	                );
-	            });
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function addNode() {
-	        context.history().reset('doneAddLine');
-	        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	            return chapter.restart();
-	        }
-
-	        var padding = 40 * Math.pow(2, context.map().zoom() - 19);
-	        var box = pad(woodRoadAddNode, padding, context);
-	        var addNodeString = helpString('intro.lines.add_node' + (context.lastPointerType() === 'mouse' ? '' : '_touch'));
-	        reveal(box, addNodeString);
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            var padding = 40 * Math.pow(2, context.map().zoom() - 19);
-	            var box = pad(woodRoadAddNode, padding, context);
-	            reveal(box, addNodeString, { duration: 0 });
-	        });
-
-	        context.history().on('change.intro', function(changed) {
-	            if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	                return continueTo(updateLine);
-	            }
-	            if (changed.created().length === 1) {
-	                timeout(function() { continueTo(startDragEndpoint); }, 500);
-	            }
-	        });
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id !== 'select') {
-	                continueTo(updateLine);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function startDragEndpoint() {
-	        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	            return continueTo(updateLine);
-	        }
-	        var padding = 100 * Math.pow(2, context.map().zoom() - 19);
-	        var box = pad(woodRoadDragEndpoint, padding, context);
-	        var startDragString = helpString('intro.lines.start_drag_endpoint' + (context.lastPointerType() === 'mouse' ? '' : '_touch')) +
-	            helpString('intro.lines.drag_to_intersection');
-	        reveal(box, startDragString);
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	                return continueTo(updateLine);
-	            }
-	            var padding = 100 * Math.pow(2, context.map().zoom() - 19);
-	            var box = pad(woodRoadDragEndpoint, padding, context);
-	            reveal(box, startDragString, { duration: 0 });
-
-	            var entity = context.entity(woodRoadEndID);
-	            if (geoSphericalDistance(entity.loc, woodRoadDragEndpoint) <= 4) {
-	                continueTo(finishDragEndpoint);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function finishDragEndpoint() {
-	        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	            return continueTo(updateLine);
-	        }
-
-	        var padding = 100 * Math.pow(2, context.map().zoom() - 19);
-	        var box = pad(woodRoadDragEndpoint, padding, context);
-	        var finishDragString = helpString('intro.lines.spot_looks_good') +
-	            helpString('intro.lines.finish_drag_endpoint' + (context.lastPointerType() === 'mouse' ? '' : '_touch'));
-	        reveal(box, finishDragString);
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	                return continueTo(updateLine);
-	            }
-	            var padding = 100 * Math.pow(2, context.map().zoom() - 19);
-	            var box = pad(woodRoadDragEndpoint, padding, context);
-	            reveal(box, finishDragString, { duration: 0 });
-
-	            var entity = context.entity(woodRoadEndID);
-	            if (geoSphericalDistance(entity.loc, woodRoadDragEndpoint) > 4) {
-	                continueTo(startDragEndpoint);
-	            }
-	        });
-
-	        context.on('enter.intro', function() {
-	            continueTo(startDragMidpoint);
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function startDragMidpoint() {
-	        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	            return continueTo(updateLine);
-	        }
-	        if (context.selectedIDs().indexOf(woodRoadID) === -1) {
-	            context.enter(modeSelect(context, [woodRoadID]));
-	        }
-
-	        var padding = 80 * Math.pow(2, context.map().zoom() - 19);
-	        var box = pad(woodRoadDragMidpoint, padding, context);
-	        reveal(box, helpString('intro.lines.start_drag_midpoint'));
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	                return continueTo(updateLine);
-	            }
-	            var padding = 80 * Math.pow(2, context.map().zoom() - 19);
-	            var box = pad(woodRoadDragMidpoint, padding, context);
-	            reveal(box, helpString('intro.lines.start_drag_midpoint'), { duration: 0 });
-	        });
-
-	        context.history().on('change.intro', function(changed) {
-	            if (changed.created().length === 1) {
-	                continueTo(continueDragMidpoint);
-	            }
-	        });
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id !== 'select') {
-	                // keep Wood Road selected so midpoint triangles are drawn..
-	                context.enter(modeSelect(context, [woodRoadID]));
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function continueDragMidpoint() {
-	        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	            return continueTo(updateLine);
-	        }
-
-	        var padding = 100 * Math.pow(2, context.map().zoom() - 19);
-	        var box = pad(woodRoadDragEndpoint, padding, context);
-	        box.height += 400;
-
-	        var advance = function() {
-	            context.history().checkpoint('doneUpdateLine');
-	            continueTo(deleteLines);
-	        };
-
-	        reveal(box, helpString('intro.lines.continue_drag_midpoint'),
-	            { buttonText: _t('intro.ok'), buttonCallback: advance }
-	        );
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
-	                return continueTo(updateLine);
-	            }
-	            var padding = 100 * Math.pow(2, context.map().zoom() - 19);
-	            var box = pad(woodRoadDragEndpoint, padding, context);
-	            box.height += 400;
-	            reveal(box, helpString('intro.lines.continue_drag_midpoint'),
-	                { duration: 0, buttonText: _t('intro.ok'), buttonCallback: advance }
-	            );
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function deleteLines() {
-	        context.history().reset('doneUpdateLine');
-	        context.enter(modeBrowse(context));
-
-	        if (!context.hasEntity(washingtonStreetID) ||
-	            !context.hasEntity(twelfthAvenueID) ||
-	            !context.hasEntity(eleventhAvenueEndID)) {
-	            return chapter.restart();
-	        }
-
-	        var msec = transitionTime(deleteLinesLoc, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(deleteLinesLoc, 18, msec);
-
-	        timeout(function() {
-	            var padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	            var box = pad(deleteLinesLoc, padding, context);
-	            box.top -= 200;
-	            box.height += 400;
-	            var advance = function() { continueTo(rightClickIntersection); };
-
-	            reveal(box, helpString('intro.lines.delete_lines', { street: _t('intro.graph.name.12th-avenue') }),
-	                { buttonText: _t('intro.ok'), buttonCallback: advance }
-	            );
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                var padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	                var box = pad(deleteLinesLoc, padding, context);
-	                box.top -= 200;
-	                box.height += 400;
-	                reveal(box, helpString('intro.lines.delete_lines', { street: _t('intro.graph.name.12th-avenue') }),
-	                    { duration: 0, buttonText: _t('intro.ok'), buttonCallback: advance }
-	                );
-	            });
-
-	            context.history().on('change.intro', function() {
-	                timeout(function() {
-	                    continueTo(deleteLines);
-	                }, 500);  // after any transition (e.g. if user deleted intersection)
-	            });
-
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function rightClickIntersection() {
-	        context.history().reset('doneUpdateLine');
-	        context.enter(modeBrowse(context));
-
-	        context.map().centerZoomEase(eleventhAvenueEnd, 18, 500);
-
-	        var rightClickString = helpString('intro.lines.split_street', {
-	                street1: _t('intro.graph.name.11th-avenue'),
-	                street2: _t('intro.graph.name.washington-street')
-	            }) +
-	            helpString('intro.lines.' + (context.lastPointerType() === 'mouse' ? 'rightclick_intersection' : 'edit_menu_intersection_touch'));
-
-	        timeout(function() {
-	            var padding = 60 * Math.pow(2, context.map().zoom() - 18);
-	            var box = pad(eleventhAvenueEnd, padding, context);
-	            reveal(box, rightClickString);
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                var padding = 60 * Math.pow(2, context.map().zoom() - 18);
-	                var box = pad(eleventhAvenueEnd, padding, context);
-	                reveal(box, rightClickString,
-	                    { duration: 0 }
-	                );
-	            });
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'select') return;
-	                var ids = context.selectedIDs();
-	                if (ids.length !== 1 || ids[0] !== eleventhAvenueEndID) return;
-
-	                timeout(function() {
-	                    var node = selectMenuItem(context, 'split').node();
-	                    if (!node) return;
-	                    continueTo(splitIntersection);
-	                }, 50);  // after menu visible
-	            });
-
-	            context.history().on('change.intro', function() {
-	                timeout(function() {
-	                    continueTo(deleteLines);
-	                }, 300);  // after any transition (e.g. if user deleted intersection)
-	            });
-
-	        }, 600);
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function splitIntersection() {
-	        if (!context.hasEntity(washingtonStreetID) ||
-	            !context.hasEntity(twelfthAvenueID) ||
-	            !context.hasEntity(eleventhAvenueEndID)) {
-	            return continueTo(deleteLines);
-	        }
-
-	        var node = selectMenuItem(context, 'split').node();
-	        if (!node) { return continueTo(rightClickIntersection); }
-
-	        var wasChanged = false;
-	        _washingtonSegmentID = null;
-
-	        reveal('.edit-menu', helpString('intro.lines.split_intersection',
-	            { street: _t('intro.graph.name.washington-street') }),
-	            { padding: 50 }
-	        );
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            var node = selectMenuItem(context, 'split').node();
-	            if (!wasChanged && !node) { return continueTo(rightClickIntersection); }
-
-	            reveal('.edit-menu', helpString('intro.lines.split_intersection',
-	                { street: _t('intro.graph.name.washington-street') }),
-	                { duration: 0, padding: 50 }
-	            );
-	        });
-
-	        context.history().on('change.intro', function(changed) {
-	            wasChanged = true;
-	            timeout(function() {
-	                if (context.history().undoAnnotation() === _t('operations.split.annotation.line')) {
-	                    _washingtonSegmentID = changed.created()[0].id;
-	                    continueTo(didSplit);
-	                } else {
-	                    _washingtonSegmentID = null;
-	                    continueTo(retrySplit);
-	                }
-	            }, 300);  // after any transition (e.g. if user deleted intersection)
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function retrySplit() {
-	        context.enter(modeBrowse(context));
-	        context.map().centerZoomEase(eleventhAvenueEnd, 18, 500);
-	        var advance = function() { continueTo(rightClickIntersection); };
-
-	        var padding = 60 * Math.pow(2, context.map().zoom() - 18);
-	        var box = pad(eleventhAvenueEnd, padding, context);
-	        reveal(box, helpString('intro.lines.retry_split'),
-	            { buttonText: _t('intro.ok'), buttonCallback: advance }
-	        );
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            var padding = 60 * Math.pow(2, context.map().zoom() - 18);
-	            var box = pad(eleventhAvenueEnd, padding, context);
-	            reveal(box, helpString('intro.lines.retry_split'),
-	                { duration: 0, buttonText: _t('intro.ok'), buttonCallback: advance }
-	            );
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function didSplit() {
-	        if (!_washingtonSegmentID ||
-	            !context.hasEntity(_washingtonSegmentID) ||
-	            !context.hasEntity(washingtonStreetID) ||
-	            !context.hasEntity(twelfthAvenueID) ||
-	            !context.hasEntity(eleventhAvenueEndID)) {
-	            return continueTo(rightClickIntersection);
-	        }
-
-	        var ids = context.selectedIDs();
-	        var string = 'intro.lines.did_split_' + (ids.length > 1 ? 'multi' : 'single');
-	        var street = _t('intro.graph.name.washington-street');
-
-	        var padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	        var box = pad(twelfthAvenue, padding, context);
-	        box.width = box.width / 2;
-	        reveal(box, helpString(string, { street1: street, street2: street }),
-	            { duration: 500 }
-	        );
-
-	        timeout(function() {
-	            context.map().centerZoomEase(twelfthAvenue, 18, 500);
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                var padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	                var box = pad(twelfthAvenue, padding, context);
-	                box.width = box.width / 2;
-	                reveal(box, helpString(string, { street1: street, street2: street }),
-	                    { duration: 0 }
-	                );
-	            });
-	        }, 600);  // after initial reveal and curtain cut
-
-	        context.on('enter.intro', function() {
-	            var ids = context.selectedIDs();
-	            if (ids.length === 1 && ids[0] === _washingtonSegmentID) {
-	                continueTo(multiSelect);
-	            }
-	        });
-
-	        context.history().on('change.intro', function() {
-	            if (!_washingtonSegmentID ||
-	                !context.hasEntity(_washingtonSegmentID) ||
-	                !context.hasEntity(washingtonStreetID) ||
-	                !context.hasEntity(twelfthAvenueID) ||
-	                !context.hasEntity(eleventhAvenueEndID)) {
-	                return continueTo(rightClickIntersection);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function multiSelect() {
-	        if (!_washingtonSegmentID ||
-	            !context.hasEntity(_washingtonSegmentID) ||
-	            !context.hasEntity(washingtonStreetID) ||
-	            !context.hasEntity(twelfthAvenueID) ||
-	            !context.hasEntity(eleventhAvenueEndID)) {
-	            return continueTo(rightClickIntersection);
-	        }
-
-	        var ids = context.selectedIDs();
-	        var hasWashington = ids.indexOf(_washingtonSegmentID) !== -1;
-	        var hasTwelfth = ids.indexOf(twelfthAvenueID) !== -1;
-
-	        if (hasWashington && hasTwelfth) {
-	            return continueTo(multiRightClick);
-	        } else if (!hasWashington && !hasTwelfth) {
-	            return continueTo(didSplit);
-	        }
-
-	        context.map().centerZoomEase(twelfthAvenue, 18, 500);
-
-	        timeout(function() {
-	            var selected, other, padding, box;
-	            if (hasWashington) {
-	                selected = _t('intro.graph.name.washington-street');
-	                other = _t('intro.graph.name.12th-avenue');
-	                padding = 60 * Math.pow(2, context.map().zoom() - 18);
-	                box = pad(twelfthAvenueEnd, padding, context);
-	                box.width *= 3;
-	            } else {
-	                selected = _t('intro.graph.name.12th-avenue');
-	                other = _t('intro.graph.name.washington-street');
-	                padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	                box = pad(twelfthAvenue, padding, context);
-	                box.width /= 2;
-	            }
-
-	            reveal(box,
-	                helpString('intro.lines.multi_select',
-	                    { selected: selected, other1: other }) + ' ' +
-	                helpString('intro.lines.add_to_selection_' + (context.lastPointerType() === 'mouse' ? 'click' : 'touch'),
-	                    { selected: selected, other2: other })
-	            );
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                if (hasWashington) {
-	                    selected = _t('intro.graph.name.washington-street');
-	                    other = _t('intro.graph.name.12th-avenue');
-	                    padding = 60 * Math.pow(2, context.map().zoom() - 18);
-	                    box = pad(twelfthAvenueEnd, padding, context);
-	                    box.width *= 3;
-	                } else {
-	                    selected = _t('intro.graph.name.12th-avenue');
-	                    other = _t('intro.graph.name.washington-street');
-	                    padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	                    box = pad(twelfthAvenue, padding, context);
-	                    box.width /= 2;
-	                }
-
-	                reveal(box,
-	                    helpString('intro.lines.multi_select',
-	                        { selected: selected, other1: other }) + ' ' +
-	                    helpString('intro.lines.add_to_selection_' + (context.lastPointerType() === 'mouse' ? 'click' : 'touch'),
-	                        { selected: selected, other2: other }),
-	                    { duration: 0 }
-	                );
-	            });
-
-	            context.on('enter.intro', function() {
-	                continueTo(multiSelect);
-	            });
-
-	            context.history().on('change.intro', function() {
-	                if (!_washingtonSegmentID ||
-	                    !context.hasEntity(_washingtonSegmentID) ||
-	                    !context.hasEntity(washingtonStreetID) ||
-	                    !context.hasEntity(twelfthAvenueID) ||
-	                    !context.hasEntity(eleventhAvenueEndID)) {
-	                    return continueTo(rightClickIntersection);
-	                }
-	            });
-	        }, 600);
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function multiRightClick() {
-	        if (!_washingtonSegmentID ||
-	            !context.hasEntity(_washingtonSegmentID) ||
-	            !context.hasEntity(washingtonStreetID) ||
-	            !context.hasEntity(twelfthAvenueID) ||
-	            !context.hasEntity(eleventhAvenueEndID)) {
-	            return continueTo(rightClickIntersection);
-	        }
-
-	        var padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	        var box = pad(twelfthAvenue, padding, context);
-
-	        var rightClickString = helpString('intro.lines.multi_select_success') +
-	            helpString('intro.lines.multi_' + (context.lastPointerType() === 'mouse' ? 'rightclick' : 'edit_menu_touch'));
-	        reveal(box, rightClickString);
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            var padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	            var box = pad(twelfthAvenue, padding, context);
-	            reveal(box, rightClickString, { duration: 0 });
-	        });
-
-	        context.ui().editMenu().on('toggled.intro', function(open) {
-	            if (!open) return;
-
-	            timeout(function() {
-	                var ids = context.selectedIDs();
-	                if (ids.length === 2 &&
-	                    ids.indexOf(twelfthAvenueID) !== -1 &&
-	                    ids.indexOf(_washingtonSegmentID) !== -1) {
-	                        var node = selectMenuItem(context, 'delete').node();
-	                        if (!node) return;
-	                        continueTo(multiDelete);
-	                } else if (ids.length === 1 &&
-	                    ids.indexOf(_washingtonSegmentID) !== -1) {
-	                    return continueTo(multiSelect);
-	                } else {
-	                    return continueTo(didSplit);
-	                }
-	            }, 300);  // after edit menu visible
-	        });
-
-	        context.history().on('change.intro', function() {
-	            if (!_washingtonSegmentID ||
-	                !context.hasEntity(_washingtonSegmentID) ||
-	                !context.hasEntity(washingtonStreetID) ||
-	                !context.hasEntity(twelfthAvenueID) ||
-	                !context.hasEntity(eleventhAvenueEndID)) {
-	                return continueTo(rightClickIntersection);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.ui().editMenu().on('toggled.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function multiDelete() {
-	        if (!_washingtonSegmentID ||
-	            !context.hasEntity(_washingtonSegmentID) ||
-	            !context.hasEntity(washingtonStreetID) ||
-	            !context.hasEntity(twelfthAvenueID) ||
-	            !context.hasEntity(eleventhAvenueEndID)) {
-	            return continueTo(rightClickIntersection);
-	        }
-
-	        var node = selectMenuItem(context, 'delete').node();
-	        if (!node) return continueTo(multiRightClick);
-
-	        reveal('.edit-menu',
-	            helpString('intro.lines.multi_delete'),
-	            { padding: 50 }
-	        );
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            reveal('.edit-menu',
-	                helpString('intro.lines.multi_delete'),
-	                { duration: 0, padding: 50 }
-	            );
-	        });
-
-	        context.on('exit.intro', function() {
-	            if (context.hasEntity(_washingtonSegmentID) || context.hasEntity(twelfthAvenueID)) {
-	                return continueTo(multiSelect);  // left select mode but roads still exist
-	            }
-	        });
-
-	        context.history().on('change.intro', function() {
-	            if (context.hasEntity(_washingtonSegmentID) || context.hasEntity(twelfthAvenueID)) {
-	                continueTo(retryDelete);         // changed something but roads still exist
-	            } else {
-	                continueTo(play);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('exit.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function retryDelete() {
-	        context.enter(modeBrowse(context));
-
-	        var padding = 200 * Math.pow(2, context.map().zoom() - 18);
-	        var box = pad(twelfthAvenue, padding, context);
-	        reveal(box, helpString('intro.lines.retry_delete'), {
-	            buttonText: _t('intro.ok'),
-	            buttonCallback: function() { continueTo(multiSelect); }
-	        });
-
-	        function continueTo(nextStep) {
-	            nextStep();
-	        }
-	    }
-
-
-	    function play() {
-	        dispatch$1.call('done');
-	        reveal('.ideditor',
-	            helpString('intro.lines.play', { next: _t('intro.buildings.title') }), {
-	                tooltipBox: '.intro-nav-wrap .chapter-building',
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { reveal('.ideditor'); }
-	            }
-	        );
-	   }
-
-
-	    chapter.enter = function() {
-	        addLine();
-	    };
-
-
-	    chapter.exit = function() {
-	        timeouts.forEach(window.clearTimeout);
-	        select(window).on('pointerdown.intro mousedown.intro', null, true);
-	        context.on('enter.intro exit.intro', null);
-	        context.map().on('move.intro drawn.intro', null);
-	        context.history().on('change.intro', null);
-	        context.container().select('.inspector-wrap').on('wheel.intro', null);
-	        context.container().select('.preset-list-button').on('click.intro', null);
-	    };
-
-
-	    chapter.restart = function() {
-	        chapter.exit();
-	        chapter.enter();
-	    };
-
-
-	    return utilRebind(chapter, dispatch$1, 'on');
-	}
-
-	function uiIntroBuilding(context, reveal) {
-	    var dispatch$1 = dispatch('done');
-	    var house = [-85.62815, 41.95638];
-	    var tank = [-85.62732, 41.95347];
-	    var buildingCatetory = _mainPresetIndex.item('category-building');
-	    var housePreset = _mainPresetIndex.item('building/house');
-	    var tankPreset = _mainPresetIndex.item('man_made/storage_tank');
-	    var timeouts = [];
-	    var _houseID = null;
-	    var _tankID = null;
-
-
-	    var chapter = {
-	        title: 'intro.buildings.title'
-	    };
-
-
-	    function timeout(f, t) {
-	        timeouts.push(window.setTimeout(f, t));
-	    }
-
-
-	    function eventCancel() {
-	        event.stopPropagation();
-	        event.preventDefault();
-	    }
-
-
-	    function revealHouse(center, text, options) {
-	        var padding = 160 * Math.pow(2, context.map().zoom() - 20);
-	        var box = pad(center, padding, context);
-	        reveal(box, text, options);
-	    }
-
-
-	    function revealTank(center, text, options) {
-	        var padding = 190 * Math.pow(2, context.map().zoom() - 19.5);
-	        var box = pad(center, padding, context);
-	        reveal(box, text, options);
-	    }
-
-
-	    function addHouse() {
-	        context.enter(modeBrowse(context));
-	        context.history().reset('initial');
-	        _houseID = null;
-
-	        var msec = transitionTime(house, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(house, 19, msec);
-
-	        timeout(function() {
-	            var tooltip = reveal('button.add-area',
-	                helpString('intro.buildings.add_building'));
-
-	            tooltip.selectAll('.popover-inner')
-	                .insert('svg', 'span')
-	                .attr('class', 'tooltip-illustration')
-	                .append('use')
-	                .attr('xlink:href', '#iD-graphic-buildings');
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'add-area') return;
-	                continueTo(startHouse);
-	            });
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function startHouse() {
-	        if (context.mode().id !== 'add-area') {
-	            return continueTo(addHouse);
-	        }
-
-	        _houseID = null;
-	        context.map().zoomEase(20, 500);
-
-	        timeout(function() {
-	            var startString = helpString('intro.buildings.start_building') +
-	                helpString('intro.buildings.building_corner_' + (context.lastPointerType() === 'mouse' ? 'click' : 'tap'));
-	            revealHouse(house, startString);
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                revealHouse(house, startString, { duration: 0 });
-	            });
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'draw-area') return chapter.restart();
-	                continueTo(continueHouse);
-	            });
-
-	        }, 550);  // after easing
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function continueHouse() {
-	        if (context.mode().id !== 'draw-area') {
-	            return continueTo(addHouse);
-	        }
-
-	        _houseID = null;
-
-	        var continueString = helpString('intro.buildings.continue_building') + '{br}' +
-	            helpString('intro.areas.finish_area_' + (context.lastPointerType() === 'mouse' ? 'click' : 'tap')) +
-	            helpString('intro.buildings.finish_building');
-
-	        revealHouse(house, continueString);
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            revealHouse(house, continueString, { duration: 0 });
-	        });
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id === 'draw-area') {
-	                return;
-	            } else if (mode.id === 'select') {
-	                var graph = context.graph();
-	                var way = context.entity(context.selectedIDs()[0]);
-	                var nodes = graph.childNodes(way);
-	                var points = utilArrayUniq(nodes)
-	                    .map(function(n) { return context.projection(n.loc); });
-
-	                if (isMostlySquare(points)) {
-	                    _houseID = way.id;
-	                    return continueTo(chooseCategoryBuilding);
-	                } else {
-	                    return continueTo(retryHouse);
-	                }
-
-	            } else {
-	                return chapter.restart();
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function retryHouse() {
-	        var onClick = function() { continueTo(addHouse); };
-
-	        revealHouse(house, helpString('intro.buildings.retry_building'),
-	            { buttonText: _t('intro.ok'), buttonCallback: onClick }
-	        );
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            revealHouse(house, helpString('intro.buildings.retry_building'),
-	                { duration: 0, buttonText: _t('intro.ok'), buttonCallback: onClick }
-	            );
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function chooseCategoryBuilding() {
-	        if (!_houseID || !context.hasEntity(_houseID)) {
-	            return addHouse();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _houseID) {
-	            context.enter(modeSelect(context, [_houseID]));
-	        }
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        timeout(function() {
-	            // reset pane, in case user somehow happened to change it..
-	            context.container().select('.inspector-wrap .panewrap').style('right', '-100%');
-
-	            var button = context.container().select('.preset-category-building .preset-list-button');
-
-	            reveal(button.node(),
-	                helpString('intro.buildings.choose_category_building', { category: buildingCatetory.name() })
-	            );
-
-	            button.on('click.intro', function() {
-	                button.on('click.intro', null);
-	                continueTo(choosePresetHouse);
-	            });
-
-	        }, 400);  // after preset list pane visible..
-
-
-	        context.on('enter.intro', function(mode) {
-	            if (!_houseID || !context.hasEntity(_houseID)) {
-	                return continueTo(addHouse);
-	            }
-	            var ids = context.selectedIDs();
-	            if (mode.id !== 'select' || !ids.length || ids[0] !== _houseID) {
-	                return continueTo(chooseCategoryBuilding);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            context.container().select('.preset-list-button').on('click.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function choosePresetHouse() {
-	        if (!_houseID || !context.hasEntity(_houseID)) {
-	            return addHouse();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _houseID) {
-	            context.enter(modeSelect(context, [_houseID]));
-	        }
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        timeout(function() {
-	            // reset pane, in case user somehow happened to change it..
-	            context.container().select('.inspector-wrap .panewrap').style('right', '-100%');
-
-	            var button = context.container().select('.preset-building-house .preset-list-button');
-
-	            reveal(button.node(),
-	                helpString('intro.buildings.choose_preset_house', { preset: housePreset.name() }),
-	                { duration: 300 }
-	            );
-
-	            button.on('click.intro', function() {
-	                button.on('click.intro', null);
-	                continueTo(closeEditorHouse);
-	            });
-
-	        }, 400);  // after preset list pane visible..
-
-	        context.on('enter.intro', function(mode) {
-	            if (!_houseID || !context.hasEntity(_houseID)) {
-	                return continueTo(addHouse);
-	            }
-	            var ids = context.selectedIDs();
-	            if (mode.id !== 'select' || !ids.length || ids[0] !== _houseID) {
-	                return continueTo(chooseCategoryBuilding);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            context.container().select('.preset-list-button').on('click.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function closeEditorHouse() {
-	        if (!_houseID || !context.hasEntity(_houseID)) {
-	            return addHouse();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _houseID) {
-	            context.enter(modeSelect(context, [_houseID]));
-	        }
-
-	        context.history().checkpoint('hasHouse');
-
-	        context.on('exit.intro', function() {
-	            continueTo(rightClickHouse);
-	        });
-
-	        timeout(function() {
-	            reveal('.entity-editor-pane',
-	                helpString('intro.buildings.close', { button: icon('#iD-icon-close', 'pre-text') })
-	            );
-	        }, 500);
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function rightClickHouse() {
-	        if (!_houseID) return chapter.restart();
-
-	        context.enter(modeBrowse(context));
-	        context.history().reset('hasHouse');
-	        var zoom = context.map().zoom();
-	        if (zoom < 20) {
-	            zoom = 20;
-	        }
-	        context.map().centerZoomEase(house, zoom, 500);
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id !== 'select') return;
-	            var ids = context.selectedIDs();
-	            if (ids.length !== 1 || ids[0] !== _houseID) return;
-
-	            timeout(function() {
-	                var node = selectMenuItem(context, 'orthogonalize').node();
-	                if (!node) return;
-	                continueTo(clickSquare);
-	            }, 50);  // after menu visible
-	        });
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            var rightclickString = helpString('intro.buildings.' + (context.lastPointerType() === 'mouse' ? 'rightclick_building' : 'edit_menu_building_touch'));
-	            revealHouse(house, rightclickString, { duration: 0 });
-	        });
-
-	        context.history().on('change.intro', function() {
-	            continueTo(rightClickHouse);
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function clickSquare() {
-	        if (!_houseID) return chapter.restart();
-	        var entity = context.hasEntity(_houseID);
-	        if (!entity) return continueTo(rightClickHouse);
-
-	        var node = selectMenuItem(context, 'orthogonalize').node();
-	        if (!node) { return continueTo(rightClickHouse); }
-
-	        var wasChanged = false;
-
-	        reveal('.edit-menu',
-	            helpString('intro.buildings.square_building'),
-	            { padding: 50 }
-	        );
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id === 'browse') {
-	                continueTo(rightClickHouse);
-	            } else if (mode.id === 'move' || mode.id === 'rotate') {
-	                continueTo(retryClickSquare);
-	            }
-	        });
-
-	        context.map().on('move.intro', function() {
-	            var node = selectMenuItem(context, 'orthogonalize').node();
-	            if (!wasChanged && !node) { return continueTo(rightClickHouse); }
-
-	            reveal('.edit-menu',
-	                helpString('intro.buildings.square_building'),
-	                { duration: 0, padding: 50 }
-	            );
-	        });
-
-	        context.history().on('change.intro', function() {
-	            wasChanged = true;
-	            context.history().on('change.intro', null);
-
-	            // Something changed.  Wait for transition to complete and check undo annotation.
-	            timeout(function() {
-	                if (context.history().undoAnnotation() === _t('operations.orthogonalize.annotation.feature.single')) {
-	                    continueTo(doneSquare);
-	                } else {
-	                    continueTo(retryClickSquare);
-	                }
-	            }, 500);  // after transitioned actions
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            context.map().on('move.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function retryClickSquare() {
-	        context.enter(modeBrowse(context));
-
-	        revealHouse(house, helpString('intro.buildings.retry_square'), {
-	            buttonText: _t('intro.ok'),
-	            buttonCallback: function() { continueTo(rightClickHouse); }
-	        });
-
-	        function continueTo(nextStep) {
-	            nextStep();
-	        }
-	    }
-
-
-	    function doneSquare() {
-	        context.history().checkpoint('doneSquare');
-
-	        revealHouse(house, helpString('intro.buildings.done_square'), {
-	            buttonText: _t('intro.ok'),
-	            buttonCallback: function() { continueTo(addTank); }
-	        });
-
-	        function continueTo(nextStep) {
-	            nextStep();
-	        }
-	    }
-
-
-	    function addTank() {
-	        context.enter(modeBrowse(context));
-	        context.history().reset('doneSquare');
-	        _tankID = null;
-
-	        var msec = transitionTime(tank, context.map().center());
-	        if (msec) { reveal(null, null, { duration: 0 }); }
-	        context.map().centerZoomEase(tank, 19.5, msec);
-
-	        timeout(function() {
-	            reveal('button.add-area',
-	                helpString('intro.buildings.add_tank')
-	            );
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'add-area') return;
-	                continueTo(startTank);
-	            });
-	        }, msec + 100);
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function startTank() {
-	        if (context.mode().id !== 'add-area') {
-	            return continueTo(addTank);
-	        }
-
-	        _tankID = null;
-
-	        timeout(function() {
-	            var startString = helpString('intro.buildings.start_tank') +
-	                helpString('intro.buildings.tank_edge_' + (context.lastPointerType() === 'mouse' ? 'click' : 'tap'));
-	            revealTank(tank, startString);
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                revealTank(tank, startString, { duration: 0 });
-	            });
-
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'draw-area') return chapter.restart();
-	                continueTo(continueTank);
-	            });
-
-	        }, 550);  // after easing
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function continueTank() {
-	        if (context.mode().id !== 'draw-area') {
-	            return continueTo(addTank);
-	        }
-
-	        _tankID = null;
-
-	        var continueString = helpString('intro.buildings.continue_tank') + '{br}' +
-	            helpString('intro.areas.finish_area_' + (context.lastPointerType() === 'mouse' ? 'click' : 'tap')) +
-	            helpString('intro.buildings.finish_tank');
-
-	        revealTank(tank, continueString);
-
-	        context.map().on('move.intro drawn.intro', function() {
-	            revealTank(tank, continueString, { duration: 0 });
-	        });
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id === 'draw-area') {
-	                return;
-	            } else if (mode.id === 'select') {
-	                _tankID = context.selectedIDs()[0];
-	                return continueTo(searchPresetTank);
-	            } else {
-	                return continueTo(addTank);
-	            }
-	        });
-
-	        function continueTo(nextStep) {
-	            context.map().on('move.intro drawn.intro', null);
-	            context.on('enter.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function searchPresetTank() {
-	        if (!_tankID || !context.hasEntity(_tankID)) {
-	            return addTank();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _tankID) {
-	            context.enter(modeSelect(context, [_tankID]));
-	        }
-
-	        // disallow scrolling
-	        context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	        timeout(function() {
-	            // reset pane, in case user somehow happened to change it..
-	            context.container().select('.inspector-wrap .panewrap').style('right', '-100%');
-
-	            context.container().select('.preset-search-input')
-	                .on('keydown.intro', null)
-	                .on('keyup.intro', checkPresetSearch);
-
-	            reveal('.preset-search-input',
-	                helpString('intro.buildings.search_tank', { preset: tankPreset.name() })
-	            );
-	        }, 400);  // after preset list pane visible..
-
-	        context.on('enter.intro', function(mode) {
-	            if (!_tankID || !context.hasEntity(_tankID)) {
-	                return continueTo(addTank);
-	            }
-
-	            var ids = context.selectedIDs();
-	            if (mode.id !== 'select' || !ids.length || ids[0] !== _tankID) {
-	                // keep the user's area selected..
-	                context.enter(modeSelect(context, [_tankID]));
-
-	                // reset pane, in case user somehow happened to change it..
-	                context.container().select('.inspector-wrap .panewrap').style('right', '-100%');
-	                // disallow scrolling
-	                context.container().select('.inspector-wrap').on('wheel.intro', eventCancel);
-
-	                context.container().select('.preset-search-input')
-	                    .on('keydown.intro', null)
-	                    .on('keyup.intro', checkPresetSearch);
-
-	                reveal('.preset-search-input',
-	                    helpString('intro.buildings.search_tank', { preset: tankPreset.name() })
-	                );
-
-	                context.history().on('change.intro', null);
-	            }
-	        });
-
-	        function checkPresetSearch() {
-	            var first = context.container().select('.preset-list-item:first-child');
-
-	            if (first.classed('preset-man_made-storage_tank')) {
-	                reveal(first.select('.preset-list-button').node(),
-	                    helpString('intro.buildings.choose_tank', { preset: tankPreset.name() }),
-	                    { duration: 300 }
-	                );
-
-	                context.container().select('.preset-search-input')
-	                    .on('keydown.intro', eventCancel, true)
-	                    .on('keyup.intro', null);
-
-	                context.history().on('change.intro', function() {
-	                    continueTo(closeEditorTank);
-	                });
-	            }
-	        }
-
-	        function continueTo(nextStep) {
-	            context.container().select('.inspector-wrap').on('wheel.intro', null);
-	            context.on('enter.intro', null);
-	            context.history().on('change.intro', null);
-	            context.container().select('.preset-search-input').on('keydown.intro keyup.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function closeEditorTank() {
-	        if (!_tankID || !context.hasEntity(_tankID)) {
-	            return addTank();
-	        }
-	        var ids = context.selectedIDs();
-	        if (context.mode().id !== 'select' || !ids.length || ids[0] !== _tankID) {
-	            context.enter(modeSelect(context, [_tankID]));
-	        }
-
-	        context.history().checkpoint('hasTank');
-
-	        context.on('exit.intro', function() {
-	            continueTo(rightClickTank);
-	        });
-
-	        timeout(function() {
-	            reveal('.entity-editor-pane',
-	                helpString('intro.buildings.close', { button: icon('#iD-icon-close', 'pre-text') })
-	            );
-	        }, 500);
-
-	        function continueTo(nextStep) {
-	            context.on('exit.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function rightClickTank() {
-	        if (!_tankID) return continueTo(addTank);
-
-	        context.enter(modeBrowse(context));
-	        context.history().reset('hasTank');
-	        context.map().centerEase(tank, 500);
-
-	        timeout(function() {
-	            context.on('enter.intro', function(mode) {
-	                if (mode.id !== 'select') return;
-	                var ids = context.selectedIDs();
-	                if (ids.length !== 1 || ids[0] !== _tankID) return;
-
-	                timeout(function() {
-	                    var node = selectMenuItem(context, 'circularize').node();
-	                    if (!node) return;
-	                    continueTo(clickCircle);
-	                }, 50);  // after menu visible
-	            });
-
-	            var rightclickString = helpString('intro.buildings.' + (context.lastPointerType() === 'mouse' ? 'rightclick_tank' : 'edit_menu_tank_touch'));
-
-	            revealTank(tank, rightclickString);
-
-	            context.map().on('move.intro drawn.intro', function() {
-	                revealTank(tank, rightclickString, { duration: 0 });
-	            });
-
-	            context.history().on('change.intro', function() {
-	                continueTo(rightClickTank);
-	            });
-
-	        }, 600);
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            context.map().on('move.intro drawn.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function clickCircle() {
-	        if (!_tankID) return chapter.restart();
-	        var entity = context.hasEntity(_tankID);
-	        if (!entity) return continueTo(rightClickTank);
-
-	        var node = selectMenuItem(context, 'circularize').node();
-	        if (!node) { return continueTo(rightClickTank); }
-
-	        var wasChanged = false;
-
-	        reveal('.edit-menu',
-	            helpString('intro.buildings.circle_tank'),
-	            { padding: 50 }
-	        );
-
-	        context.on('enter.intro', function(mode) {
-	            if (mode.id === 'browse') {
-	                continueTo(rightClickTank);
-	            } else if (mode.id === 'move' || mode.id === 'rotate') {
-	                continueTo(retryClickCircle);
-	            }
-	        });
-
-	        context.map().on('move.intro', function() {
-	            var node = selectMenuItem(context, 'circularize').node();
-	            if (!wasChanged && !node) { return continueTo(rightClickTank); }
-
-	            reveal('.edit-menu',
-	                helpString('intro.buildings.circle_tank'),
-	                { duration: 0, padding: 50 }
-	            );
-	        });
-
-	        context.history().on('change.intro', function() {
-	            wasChanged = true;
-	            context.history().on('change.intro', null);
-
-	            // Something changed.  Wait for transition to complete and check undo annotation.
-	            timeout(function() {
-	                if (context.history().undoAnnotation() === _t('operations.circularize.annotation.single')) {
-	                    continueTo(play);
-	                } else {
-	                    continueTo(retryClickCircle);
-	                }
-	            }, 500);  // after transitioned actions
-	        });
-
-	        function continueTo(nextStep) {
-	            context.on('enter.intro', null);
-	            context.map().on('move.intro', null);
-	            context.history().on('change.intro', null);
-	            nextStep();
-	        }
-	    }
-
-
-	    function retryClickCircle() {
-	        context.enter(modeBrowse(context));
-
-	        revealTank(tank, helpString('intro.buildings.retry_circle'), {
-	            buttonText: _t('intro.ok'),
-	            buttonCallback: function() { continueTo(rightClickTank); }
-	        });
-
-	        function continueTo(nextStep) {
-	            nextStep();
-	        }
-	    }
-
-
-	    function play() {
-	        dispatch$1.call('done');
-	        reveal('.ideditor',
-	            helpString('intro.buildings.play', { next: _t('intro.startediting.title') }), {
-	                tooltipBox: '.intro-nav-wrap .chapter-startEditing',
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { reveal('.ideditor'); }
-	            }
-	        );
-	    }
-
-
-	    chapter.enter = function() {
-	        addHouse();
-	    };
-
-
-	    chapter.exit = function() {
-	        timeouts.forEach(window.clearTimeout);
-	        context.on('enter.intro exit.intro', null);
-	        context.map().on('move.intro drawn.intro', null);
-	        context.history().on('change.intro', null);
-	        context.container().select('.inspector-wrap').on('wheel.intro', null);
-	        context.container().select('.preset-search-input').on('keydown.intro keyup.intro', null);
-	        context.container().select('.more-fields .combobox-input').on('click.intro', null);
-	    };
-
-
-	    chapter.restart = function() {
-	        chapter.exit();
-	        chapter.enter();
-	    };
-
-
-	    return utilRebind(chapter, dispatch$1, 'on');
-	}
-
-	function uiIntroStartEditing(context, reveal) {
-	    var dispatch$1 = dispatch('done', 'startEditing');
-	    var modalSelection = select(null);
-
-
-	    var chapter = {
-	        title: 'intro.startediting.title'
-	    };
-
-	    function showHelp() {
-	        reveal('.map-control.help-control',
-	            helpString('intro.startediting.help'), {
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { shortcuts(); }
-	            }
-	        );
-	    }
-
-	    function shortcuts() {
-	        reveal('.map-control.help-control',
-	            helpString('intro.startediting.shortcuts'), {
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { showSave(); }
-	            }
-	        );
-	    }
-
-	    function showSave() {
-	        context.container().selectAll('.shaded').remove();  // in case user opened keyboard shortcuts
-	        reveal('.top-toolbar button.save',
-	            helpString('intro.startediting.save'), {
-	                buttonText: _t('intro.ok'),
-	                buttonCallback: function() { showStart(); }
-	            }
-	        );
-	    }
-
-	    function showStart() {
-	        context.container().selectAll('.shaded').remove();  // in case user opened keyboard shortcuts
-
-	        modalSelection = uiModal(context.container());
-
-	        modalSelection.select('.modal')
-	            .attr('class', 'modal-splash modal');
-
-	        modalSelection.selectAll('.close').remove();
-
-	        var startbutton = modalSelection.select('.content')
-	            .attr('class', 'fillL')
-	            .append('button')
-	                .attr('class', 'modal-section huge-modal-button')
-	                .on('click', function() {
-	                    modalSelection.remove();
-	                });
-
-	            startbutton
-	                .append('svg')
-	                .attr('class', 'illustration')
-	                .append('use')
-	                .attr('xlink:href', '#iD-logo-walkthrough');
-
-	            startbutton
-	                .append('h2')
-	                .text(_t('intro.startediting.start'));
-
-	        dispatch$1.call('startEditing');
-	    }
-
-
-	    chapter.enter = function() {
-	        showHelp();
-	    };
-
-
-	    chapter.exit = function() {
-	        modalSelection.remove();
-	        context.container().selectAll('.shaded').remove();  // in case user opened keyboard shortcuts
-	    };
-
-
-	    return utilRebind(chapter, dispatch$1, 'on');
-	}
-
-	const chapterUi = {
-	  welcome: uiIntroWelcome,
-	  navigation: uiIntroNavigation,
-	  point: uiIntroPoint,
-	  area: uiIntroArea,
-	  line: uiIntroLine,
-	  building: uiIntroBuilding,
-	  startEditing: uiIntroStartEditing
-	};
-
-	const chapterFlow = [
-	  'welcome',
-	  'navigation',
-	  'point',
-	  'area',
-	  'line',
-	  'building',
-	  'startEditing'
-	];
-
-
-	function uiIntro(context) {
-	  const INTRO_IMAGERY = 'EsriWorldImageryClarity';
-	  let _introGraph = {};
-	  let _currChapter;
-
-
-	  function intro(selection) {
-	    _mainFileFetcher.get('intro_graph')
-	      .then(dataIntroGraph => {
-	        // create entities for intro graph and localize names
-	        for (let id in dataIntroGraph) {
-	          if (!_introGraph[id]) {
-	            _introGraph[id] = osmEntity(localize(dataIntroGraph[id]));
-	          }
-	        }
-	        selection.call(startIntro);
-	      })
-	      .catch(function() { /* ignore */ });
-	  }
-
-
-	  function startIntro(selection) {
-	    context.enter(modeBrowse(context));
-
-	    // Save current map state
-	    let osm = context.connection();
-	    let history = context.history().toJSON();
-	    let hash = window.location.hash;
-	    let center = context.map().center();
-	    let zoom = context.map().zoom();
-	    let background = context.background().baseLayerSource();
-	    let overlays = context.background().overlayLayerSources();
-	    let opacity = context.container().selectAll('.main-map .layer-background').style('opacity');
-	    let caches = osm && osm.caches();
-	    let baseEntities = context.history().graph().base().entities;
-
-	    // Show sidebar and disable the sidebar resizing button
-	    // (this needs to be before `context.inIntro(true)`)
-	    context.ui().sidebar.expand();
-	    context.container().selectAll('button.sidebar-toggle').classed('disabled', true);
-
-	    // Block saving
-	    context.inIntro(true);
-
-	    // Load semi-real data used in intro
-	    if (osm) { osm.toggle(false).reset(); }
-	    context.history().reset();
-	    context.history().merge(Object.values(coreGraph().load(_introGraph).entities));
-	    context.history().checkpoint('initial');
-
-	    // Setup imagery
-	    let imagery = context.background().findSource(INTRO_IMAGERY);
-	    if (imagery) {
-	      context.background().baseLayerSource(imagery);
-	    } else {
-	      context.background().bing();
-	    }
-	    overlays.forEach(d => context.background().toggleOverlayLayer(d));
-
-	    // Setup data layers (only OSM)
-	    let layers = context.layers();
-	    layers.all().forEach(item => {
-	      // if the layer has the function `enabled`
-	      if (typeof item.layer.enabled === 'function') {
-	        item.layer.enabled(item.id === 'osm');
-	      }
-	    });
-
-
-	    context.container().selectAll('.main-map .layer-background').style('opacity', 1);
-
-	    let curtain = uiCurtain(context.container().node());
-	    selection.call(curtain);
-
-	    // Store that the user started the walkthrough..
-	    corePreferences('walkthrough_started', 'yes');
-
-	    // Restore previous walkthrough progress..
-	    let storedProgress = corePreferences('walkthrough_progress') || '';
-	    let progress = storedProgress.split(';').filter(Boolean);
-
-	    let chapters = chapterFlow.map((chapter, i) => {
-	      let s = chapterUi[chapter](context, curtain.reveal)
-	        .on('done', () => {
-
-	          buttons
-	            .filter(d => d.title === s.title)
-	            .classed('finished', true);
-
-	          if (i < chapterFlow.length - 1) {
-	            const next = chapterFlow[i + 1];
-	            context.container().select(`button.chapter-${next}`)
-	              .classed('next', true);
-	          }
-
-	          // Store walkthrough progress..
-	          progress.push(chapter);
-	          corePreferences('walkthrough_progress', utilArrayUniq(progress).join(';'));
-	        });
-	      return s;
-	    });
-
-	    chapters[chapters.length - 1].on('startEditing', () => {
-	      // Store walkthrough progress..
-	      progress.push('startEditing');
-	      corePreferences('walkthrough_progress', utilArrayUniq(progress).join(';'));
-
-	      // Store if walkthrough is completed..
-	      let incomplete = utilArrayDifference(chapterFlow, progress);
-	      if (!incomplete.length) {
-	        corePreferences('walkthrough_completed', 'yes');
-	      }
-
-	      curtain.remove();
-	      navwrap.remove();
-	      context.container().selectAll('.main-map .layer-background').style('opacity', opacity);
-	      context.container().selectAll('button.sidebar-toggle').classed('disabled', false);
-	      if (osm) { osm.toggle(true).reset().caches(caches); }
-	      context.history().reset().merge(Object.values(baseEntities));
-	      context.background().baseLayerSource(background);
-	      overlays.forEach(d => context.background().toggleOverlayLayer(d));
-	      if (history) { context.history().fromJSON(history, false); }
-	      context.map().centerZoom(center, zoom);
-	      window.location.replace(hash);
-	      context.inIntro(false);
-	    });
-
-	    let navwrap = selection
-	      .append('div')
-	      .attr('class', 'intro-nav-wrap fillD');
-
-	    navwrap
-	      .append('svg')
-	      .attr('class', 'intro-nav-wrap-logo')
-	      .append('use')
-	      .attr('xlink:href', '#iD-logo-walkthrough');
-
-	    let buttonwrap = navwrap
-	      .append('div')
-	      .attr('class', 'joined')
-	      .selectAll('button.chapter');
-
-	    let buttons = buttonwrap
-	      .data(chapters)
-	      .enter()
-	      .append('button')
-	      .attr('class', (d, i) => `chapter chapter-${chapterFlow[i]}`)
-	      .on('click', enterChapter);
-
-	    buttons
-	      .append('span')
-	      .text(d => _t(d.title));
-
-	    buttons
-	      .append('span')
-	      .attr('class', 'status')
-	      .call(svgIcon((_mainLocalizer.textDirection() === 'rtl' ? '#iD-icon-backward' : '#iD-icon-forward'), 'inline'));
-
-	    enterChapter(chapters[0]);
-
-
-	    function enterChapter(newChapter) {
-	      if (_currChapter) { _currChapter.exit(); }
-	      context.enter(modeBrowse(context));
-
-	      _currChapter = newChapter;
-	      _currChapter.enter();
-
-	      buttons
-	        .classed('next', false)
-	        .classed('active', d => d.title === _currChapter.title);
-	    }
-	  }
-
-
-	  return intro;
-	}
-
-	function uiIssuesInfo(context) {
-
-	    var warningsItem = {
-	        id: 'warnings',
-	        count: 0,
-	        iconID: 'iD-icon-alert',
-	        descriptionID: 'issues.warnings_and_errors'
-	    };
-
-	    var resolvedItem = {
-	        id: 'resolved',
-	        count: 0,
-	        iconID: 'iD-icon-apply',
-	        descriptionID: 'issues.user_resolved_issues'
-	    };
-
-	    function update(selection) {
-
-	        var shownItems = [];
-
-	        var liveIssues = context.validator().getIssues({
-	            what: corePreferences('validate-what') || 'edited',
-	            where: corePreferences('validate-where') || 'all'
-	        });
-	        if (liveIssues.length) {
-	            warningsItem.count = liveIssues.length;
-	            shownItems.push(warningsItem);
-	        }
-
-	        if (corePreferences('validate-what') === 'all') {
-	            var resolvedIssues = context.validator().getResolvedIssues();
-	            if (resolvedIssues.length) {
-	                resolvedItem.count = resolvedIssues.length;
-	                shownItems.push(resolvedItem);
-	            }
-	        }
-
-	        var chips = selection.selectAll('.chip')
-	            .data(shownItems, function(d) {
-	                return d.id;
-	            });
-
-	        chips.exit().remove();
-
-	        var enter = chips.enter()
-	            .append('a')
-	            .attr('class', function(d) {
-	                return 'chip ' + d.id + '-count';
-	            })
-	            .attr('href', '#')
-	            .attr('tabindex', -1)
-	            .each(function(d) {
-
-	                var chipSelection = select(this);
-
-	                var tooltipBehavior = uiTooltip()
-	                    .placement('top')
-	                    .title(_t(d.descriptionID));
-
-	                chipSelection
-	                    .call(tooltipBehavior)
-	                    .on('click', function() {
-	                        event.preventDefault();
-
-	                        tooltipBehavior.hide(select(this));
-	                        // open the Issues pane
-	                        context.ui().togglePanes(context.container().select('.map-panes .issues-pane'));
-	                    });
-
-	                chipSelection.call(svgIcon('#' + d.iconID));
-
-	            });
-
-	        enter.append('span')
-	            .attr('class', 'count');
-
-	        enter.merge(chips)
-	            .selectAll('span.count')
-	            .text(function(d) {
-	                return d.count.toString();
-	            });
-	    }
-
-
-	    return function(selection) {
-	        update(selection);
-
-	        context.validator().on('validated.infobox', function() {
-	            update(selection);
-	        });
-	    };
-	}
-
-	// import { utilGetDimensions } from '../util/dimensions';
-
-
-	function uiMapInMap(context) {
-
-	    function mapInMap(selection) {
-	        var backgroundLayer = rendererTileLayer(context);
-	        var overlayLayers = {};
-	        var projection = geoRawMercator();
-	        var dataLayer = svgData(projection, context).showLabels(false);
-	        var debugLayer = svgDebug(projection, context);
-	        var zoom = d3_zoom()
-	            .scaleExtent([geoZoomToScale(0.5), geoZoomToScale(24)])
-	            .on('start', zoomStarted)
-	            .on('zoom', zoomed)
-	            .on('end', zoomEnded);
-
-	        var wrap = select(null);
-	        var tiles = select(null);
-	        var viewport = select(null);
-
-	        var _isTransformed = false;
-	        var _isHidden = true;
-	        var _skipEvents = false;
-	        var _gesture = null;
-	        var _zDiff = 6;    // by default, minimap renders at (main zoom - 6)
-	        var _dMini;        // dimensions of minimap
-	        var _cMini;        // center pixel of minimap
-	        var _tStart;       // transform at start of gesture
-	        var _tCurr;        // transform at most recent event
-	        var _timeoutID;
-
-
-	        function zoomStarted() {
-	            if (_skipEvents) return;
-	            _tStart = _tCurr = projection.transform();
-	            _gesture = null;
-	        }
-
-
-	        function zoomed() {
-	            if (_skipEvents) return;
-
-	            var x = event.transform.x;
-	            var y = event.transform.y;
-	            var k = event.transform.k;
-	            var isZooming = (k !== _tStart.k);
-	            var isPanning = (x !== _tStart.x || y !== _tStart.y);
-
-	            if (!isZooming && !isPanning) {
-	                return;  // no change
-	            }
-
-	            // lock in either zooming or panning, don't allow both in minimap.
-	            if (!_gesture) {
-	                _gesture = isZooming ? 'zoom' : 'pan';
-	            }
-
-	            var tMini = projection.transform();
-	            var tX, tY, scale;
-
-	            if (_gesture === 'zoom') {
-	                scale = k / tMini.k;
-	                tX = (_cMini[0] / scale - _cMini[0]) * scale;
-	                tY = (_cMini[1] / scale - _cMini[1]) * scale;
-	            } else {
-	                k = tMini.k;
-	                scale = 1;
-	                tX = x - tMini.x;
-	                tY = y - tMini.y;
-	            }
-
-	            utilSetTransform(tiles, tX, tY, scale);
-	            utilSetTransform(viewport, 0, 0, scale);
-	            _isTransformed = true;
-	            _tCurr = identity$2.translate(x, y).scale(k);
-
-	            var zMain = geoScaleToZoom(context.projection.scale());
-	            var zMini = geoScaleToZoom(k);
-
-	            _zDiff = zMain - zMini;
-
-	            queueRedraw();
-	        }
-
-
-	        function zoomEnded() {
-	            if (_skipEvents) return;
-	            if (_gesture !== 'pan') return;
-
-	            updateProjection();
-	            _gesture = null;
-	            context.map().center(projection.invert(_cMini));   // recenter main map..
-	        }
-
-
-	        function updateProjection() {
-	            var loc = context.map().center();
-	            var tMain = context.projection.transform();
-	            var zMain = geoScaleToZoom(tMain.k);
-	            var zMini = Math.max(zMain - _zDiff, 0.5);
-	            var kMini = geoZoomToScale(zMini);
-
-	            projection
-	                .translate([tMain.x, tMain.y])
-	                .scale(kMini);
-
-	            var point = projection(loc);
-	            var mouse = (_gesture === 'pan') ? geoVecSubtract([_tCurr.x, _tCurr.y], [_tStart.x, _tStart.y]) : [0, 0];
-	            var xMini = _cMini[0] - point[0] + tMain.x + mouse[0];
-	            var yMini = _cMini[1] - point[1] + tMain.y + mouse[1];
-
-	            projection
-	                .translate([xMini, yMini])
-	                .clipExtent([[0, 0], _dMini]);
-
-	            _tCurr = projection.transform();
-
-	            if (_isTransformed) {
-	                utilSetTransform(tiles, 0, 0);
-	                utilSetTransform(viewport, 0, 0);
-	                _isTransformed = false;
-	            }
-
-	            zoom
-	                .scaleExtent([geoZoomToScale(0.5), geoZoomToScale(zMain - 3)]);
-
-	            _skipEvents = true;
-	            wrap.call(zoom.transform, _tCurr);
-	            _skipEvents = false;
-	        }
-
-
-	        function redraw() {
-	            clearTimeout(_timeoutID);
-	            if (_isHidden) return;
-
-	            updateProjection();
-	            var zMini = geoScaleToZoom(projection.scale());
-
-	            // setup tile container
-	            tiles = wrap
-	                .selectAll('.map-in-map-tiles')
-	                .data([0]);
-
-	            tiles = tiles.enter()
-	                .append('div')
-	                .attr('class', 'map-in-map-tiles')
-	                .merge(tiles);
-
-	            // redraw background
-	            backgroundLayer
-	                .source(context.background().baseLayerSource())
-	                .projection(projection)
-	                .dimensions(_dMini);
-
-	            var background = tiles
-	                .selectAll('.map-in-map-background')
-	                .data([0]);
-
-	            background.enter()
-	                .append('div')
-	                .attr('class', 'map-in-map-background')
-	                .merge(background)
-	                .call(backgroundLayer);
-
-
-	            // redraw overlay
-	            var overlaySources = context.background().overlayLayerSources();
-	            var activeOverlayLayers = [];
-	            for (var i = 0; i < overlaySources.length; i++) {
-	                if (overlaySources[i].validZoom(zMini)) {
-	                    if (!overlayLayers[i]) overlayLayers[i] = rendererTileLayer(context);
-	                    activeOverlayLayers.push(overlayLayers[i]
-	                        .source(overlaySources[i])
-	                        .projection(projection)
-	                        .dimensions(_dMini));
-	                }
-	            }
-
-	            var overlay = tiles
-	                .selectAll('.map-in-map-overlay')
-	                .data([0]);
-
-	            overlay = overlay.enter()
-	                .append('div')
-	                .attr('class', 'map-in-map-overlay')
-	                .merge(overlay);
-
-
-	            var overlays = overlay
-	                .selectAll('div')
-	                .data(activeOverlayLayers, function(d) { return d.source().name(); });
-
-	            overlays.exit()
-	                .remove();
-
-	            overlays = overlays.enter()
-	                .append('div')
-	                .merge(overlays)
-	                .each(function(layer) { select(this).call(layer); });
-
-
-	            var dataLayers = tiles
-	                .selectAll('.map-in-map-data')
-	                .data([0]);
-
-	            dataLayers.exit()
-	                .remove();
-
-	            dataLayers = dataLayers.enter()
-	                .append('svg')
-	                .attr('class', 'map-in-map-data')
-	                .merge(dataLayers)
-	                .call(dataLayer)
-	                .call(debugLayer);
-
-
-	            // redraw viewport bounding box
-	            if (_gesture !== 'pan') {
-	                var getPath = d3_geoPath(projection);
-	                var bbox = { type: 'Polygon', coordinates: [context.map().extent().polygon()] };
-
-	                viewport = wrap.selectAll('.map-in-map-viewport')
-	                    .data([0]);
-
-	                viewport = viewport.enter()
-	                    .append('svg')
-	                    .attr('class', 'map-in-map-viewport')
-	                    .merge(viewport);
-
-
-	                var path = viewport.selectAll('.map-in-map-bbox')
-	                    .data([bbox]);
-
-	                path.enter()
-	                    .append('path')
-	                    .attr('class', 'map-in-map-bbox')
-	                    .merge(path)
-	                    .attr('d', getPath)
-	                    .classed('thick', function(d) { return getPath.area(d) < 30; });
-	            }
-	        }
-
-
-	        function queueRedraw() {
-	            clearTimeout(_timeoutID);
-	            _timeoutID = setTimeout(function() { redraw(); }, 750);
-	        }
-
-
-	        function toggle() {
-	            if (event) event.preventDefault();
-
-	            _isHidden = !_isHidden;
-
-	            context.container().select('.minimap-toggle-item')
-	                .classed('active', !_isHidden)
-	                .select('input')
-	                .property('checked', !_isHidden);
-
-	            if (_isHidden) {
-	                wrap
-	                    .style('display', 'block')
-	                    .style('opacity', '1')
-	                    .transition()
-	                    .duration(200)
-	                    .style('opacity', '0')
-	                    .on('end', function() {
-	                        selection.selectAll('.map-in-map')
-	                            .style('display', 'none');
-	                    });
-	            } else {
-	                wrap
-	                    .style('display', 'block')
-	                    .style('opacity', '0')
-	                    .transition()
-	                    .duration(200)
-	                    .style('opacity', '1')
-	                    .on('end', function() {
-	                        redraw();
-	                    });
-	            }
-	        }
-
-
-	        uiMapInMap.toggle = toggle;
-
-	        wrap = selection.selectAll('.map-in-map')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'map-in-map')
-	            .style('display', (_isHidden ? 'none' : 'block'))
-	            .call(zoom)
-	            .on('dblclick.zoom', null)
-	            .merge(wrap);
-
-	        // reflow warning: Hardcode dimensions - currently can't resize it anyway..
-	        _dMini = [200,150]; //utilGetDimensions(wrap);
-	        _cMini = geoVecScale(_dMini, 0.5);
-
-	        context.map()
-	            .on('drawn.map-in-map', function(drawn) {
-	                if (drawn.full === true) {
-	                    redraw();
-	                }
-	            });
-
-	        redraw();
-
-	        context.keybinding()
-	            .on(_t('background.minimap.key'), toggle);
-	    }
-
-	    return mapInMap;
-	}
-
-	function uiNotice(context) {
-
-	    return function(selection) {
-	        var div = selection
-	            .append('div')
-	            .attr('class', 'notice');
-
-	        var button = div
-	            .append('button')
-	            .attr('class', 'zoom-to notice fillD')
-	            .on('click', function() {
-	                context.map().zoomEase(context.minEditableZoom());
-	            })
-	            .on('wheel', function() {   // let wheel events pass through #4482
-	                var e2 = new WheelEvent(event.type, event);
-	                context.surface().node().dispatchEvent(e2);
-	            });
-
-	        button
-	            .call(svgIcon('#iD-icon-plus', 'pre-text'))
-	            .append('span')
-	            .attr('class', 'label')
-	            .text(_t('zoom_in_edit'));
-
-
-	        function disableTooHigh() {
-	            var canEdit = context.map().zoom() >= context.minEditableZoom();
-	            div.style('display', canEdit ? 'none' : 'block');
-	        }
-
-	        context.map()
-	            .on('move.notice', debounce(disableTooHigh, 500));
-
-	        disableTooHigh();
-	    };
-	}
-
-	function uiPhotoviewer(context) {
-
-	    var dispatch$1 = dispatch('resize');
-
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-	    function photoviewer(selection) {
-	        selection
-	            .append('button')
-	            .attr('class', 'thumb-hide')
-	            .on('click', function () {
-	                if (services.streetside) { services.streetside.hideViewer(context); }
-	                if (services.mapillary) { services.mapillary.hideViewer(context); }
-	                if (services.openstreetcam) { services.openstreetcam.hideViewer(context); }
-	            })
-	            .append('div')
-	            .call(svgIcon('#iD-icon-close'));
-
-	        function preventDefault() {
-	            event.preventDefault();
-	        }
-
-	        selection
-	            .append('button')
-	            .attr('class', 'resize-handle-xy')
-	            .on('touchstart touchdown touchend', preventDefault)
-	            .on(
-	                _pointerPrefix + 'down',
-	                buildResizeListener(selection, 'resize', dispatch$1, { resizeOnX: true, resizeOnY: true })
-	            );
-
-	        selection
-	            .append('button')
-	            .attr('class', 'resize-handle-x')
-	            .on('touchstart touchdown touchend', preventDefault)
-	            .on(
-	                _pointerPrefix + 'down',
-	                buildResizeListener(selection, 'resize', dispatch$1, { resizeOnX: true })
-	            );
-
-	        selection
-	            .append('button')
-	            .attr('class', 'resize-handle-y')
-	            .on('touchstart touchdown touchend', preventDefault)
-	            .on(
-	                _pointerPrefix + 'down',
-	                buildResizeListener(selection, 'resize', dispatch$1, { resizeOnY: true })
-	            );
-
-	        services.streetside.loadViewer(context);
-	        services.mapillary.loadViewer(context);
-	        services.openstreetcam.loadViewer(context);
-
-	        function buildResizeListener(target, eventName, dispatch, options) {
-
-	            var resizeOnX = !!options.resizeOnX;
-	            var resizeOnY = !!options.resizeOnY;
-	            var minHeight = options.minHeight || 240;
-	            var minWidth = options.minWidth || 320;
-	            var pointerId;
-	            var startX;
-	            var startY;
-	            var startWidth;
-	            var startHeight;
-
-	            function startResize() {
-	                if (pointerId !== (event.pointerId || 'mouse')) return;
-
-	                event.preventDefault();
-	                event.stopPropagation();
-
-	                var mapSize = context.map().dimensions();
-
-	                if (resizeOnX) {
-	                    var maxWidth = mapSize[0];
-	                    var newWidth = clamp((startWidth + event.clientX - startX), minWidth, maxWidth);
-	                    target.style('width', newWidth + 'px');
-	                }
-
-	                if (resizeOnY) {
-	                    var maxHeight = mapSize[1] - 90;  // preserve space at top/bottom of map
-	                    var newHeight = clamp((startHeight + startY - event.clientY), minHeight, maxHeight);
-	                    target.style('height', newHeight + 'px');
-	                }
-
-	                dispatch.call(eventName, target, utilGetDimensions(target, true));
-	            }
-
-	            function clamp(num, min, max) {
-	                return Math.max(min, Math.min(num, max));
-	            }
-
-	            function stopResize() {
-	                if (pointerId !== (event.pointerId || 'mouse')) return;
-
-	                event.preventDefault();
-	                event.stopPropagation();
-
-	                // remove all the listeners we added
-	                select(window)
-	                    .on('.' + eventName, null);
-	            }
-
-	            return function initResize() {
-	                event.preventDefault();
-	                event.stopPropagation();
-
-	                pointerId = event.pointerId || 'mouse';
-
-	                startX = event.clientX;
-	                startY = event.clientY;
-	                var targetRect = target.node().getBoundingClientRect();
-	                startWidth = targetRect.width;
-	                startHeight = targetRect.height;
-
-	                select(window)
-	                    .on(_pointerPrefix + 'move.' + eventName, startResize, false)
-	                    .on(_pointerPrefix + 'up.' + eventName, stopResize, false);
-
-	                if (_pointerPrefix === 'pointer') {
-	                    select(window)
-	                        .on('pointercancel.' + eventName, stopResize, false);
-	                }
-	            };
-	        }
-	    }
-
-	    photoviewer.onMapResize = function() {
-	        var photoviewer = context.container().select('.photoviewer');
-	        var content = context.container().select('.main-content');
-	        var mapDimensions = utilGetDimensions(content, true);
-	        // shrink photo viewer if it is too big
-	        // (-90 preserves space at top and bottom of map used by menus)
-	        var photoDimensions = utilGetDimensions(photoviewer, true);
-	        if (photoDimensions[0] > mapDimensions[0] || photoDimensions[1] > (mapDimensions[1] - 90)) {
-	            var setPhotoDimensions = [
-	                Math.min(photoDimensions[0], mapDimensions[0]),
-	                Math.min(photoDimensions[1], mapDimensions[1] - 90),
-	            ];
-
-	            photoviewer
-	                .style('width', setPhotoDimensions[0] + 'px')
-	                .style('height', setPhotoDimensions[1] + 'px');
-
-	            dispatch$1.call('resize', photoviewer, setPhotoDimensions);
-	        }
-	    };
-
-	    return utilRebind(photoviewer, dispatch$1, 'on');
-	}
-
-	function uiRestore(context) {
-	  return function(selection) {
-	    if (!context.history().hasRestorableChanges()) return;
-
-	    let modalSelection = uiModal(selection, true);
-
-	    modalSelection.select('.modal')
-	      .attr('class', 'modal fillL');
-
-	    let introModal = modalSelection.select('.content');
-
-	    introModal
-	      .append('div')
-	      .attr('class', 'modal-section')
-	      .append('h3')
-	      .text(_t('restore.heading'));
-
-	    introModal
-	      .append('div')
-	      .attr('class','modal-section')
-	      .append('p')
-	      .text(_t('restore.description'));
-
-	    let buttonWrap = introModal
-	      .append('div')
-	      .attr('class', 'modal-actions');
-
-	    let restore = buttonWrap
-	      .append('button')
-	      .attr('class', 'restore')
-	      .on('click', () => {
-	        context.history().restore();
-	        modalSelection.remove();
-	      });
-
-	    restore
-	      .append('svg')
-	      .attr('class', 'logo logo-restore')
-	      .append('use')
-	      .attr('xlink:href', '#iD-logo-restore');
-
-	    restore
-	      .append('div')
-	      .text(_t('restore.restore'));
-
-	    let reset = buttonWrap
-	      .append('button')
-	      .attr('class', 'reset')
-	      .on('click', () => {
-	        context.history().clearSaved();
-	        modalSelection.remove();
-	      });
-
-	    reset
-	      .append('svg')
-	      .attr('class', 'logo logo-reset')
-	      .append('use')
-	      .attr('xlink:href', '#iD-logo-reset');
-
-	    reset
-	      .append('div')
-	      .text(_t('restore.reset'));
-
-	    restore.node().focus();
-	  };
-	}
-
-	function uiScale(context) {
-	    var projection = context.projection,
-	        isImperial = !_mainLocalizer.usesMetric(),
-	        maxLength = 180,
-	        tickHeight = 8;
-
-
-	    function scaleDefs(loc1, loc2) {
-	        var lat = (loc2[1] + loc1[1]) / 2,
-	            conversion = (isImperial ? 3.28084 : 1),
-	            dist = geoLonToMeters(loc2[0] - loc1[0], lat) * conversion,
-	            scale = { dist: 0, px: 0, text: '' },
-	            buckets, i, val, dLon;
-
-	        if (isImperial) {
-	            buckets = [5280000, 528000, 52800, 5280, 500, 50, 5, 1];
-	        } else {
-	            buckets = [5000000, 500000, 50000, 5000, 500, 50, 5, 1];
-	        }
-
-	        // determine a user-friendly endpoint for the scale
-	        for (i = 0; i < buckets.length; i++) {
-	            val = buckets[i];
-	            if (dist >= val) {
-	                scale.dist = Math.floor(dist / val) * val;
-	                break;
-	            } else {
-	                scale.dist = +dist.toFixed(2);
-	            }
-	        }
-
-	        dLon = geoMetersToLon(scale.dist / conversion, lat);
-	        scale.px = Math.round(projection([loc1[0] + dLon, loc1[1]])[0]);
-
-	        scale.text = displayLength(scale.dist / conversion, isImperial);
-
-	        return scale;
-	    }
-
-
-	    function update(selection) {
-	        // choose loc1, loc2 along bottom of viewport (near where the scale will be drawn)
-	        var dims = context.map().dimensions(),
-	            loc1 = projection.invert([0, dims[1]]),
-	            loc2 = projection.invert([maxLength, dims[1]]),
-	            scale = scaleDefs(loc1, loc2);
-
-	        selection.select('.scale-path')
-	            .attr('d', 'M0.5,0.5v' + tickHeight + 'h' + scale.px + 'v-' + tickHeight);
-
-	        selection.select('.scale-textgroup')
-	            .attr('transform', 'translate(' + (scale.px + 8) + ',' + tickHeight + ')');
-
-	        selection.select('.scale-text')
-	            .text(scale.text);
-	    }
-
-
-	    return function(selection) {
-	        function switchUnits() {
-	            isImperial = !isImperial;
-	            selection.call(update);
-	        }
-
-	        var scalegroup = selection.append('svg')
-	            .attr('class', 'scale')
-	            .on('click', switchUnits)
-	            .append('g')
-	            .attr('transform', 'translate(10,11)');
-
-	        scalegroup
-	            .append('path')
-	            .attr('class', 'scale-path');
-
-	        scalegroup
-	            .append('g')
-	            .attr('class', 'scale-textgroup')
-	            .append('text')
-	            .attr('class', 'scale-text');
-
-	        selection.call(update);
-
-	        context.map().on('move.scale', function() {
-	            update(selection);
-	        });
-	    };
-	}
-
-	function uiShortcuts(context) {
-	    var detected = utilDetect();
-	    var _activeTab = 0;
-	    var _modalSelection;
-	    var _selection = select(null);
-
-
-	    context.keybinding()
-	        .on([_t('shortcuts.toggle.key'), '?'], function () {
-	            if (context.container().selectAll('.modal-shortcuts').size()) {  // already showing
-	                if (_modalSelection) {
-	                    _modalSelection.close();
-	                    _modalSelection = null;
-	                }
-	            } else {
-	                _modalSelection = uiModal(_selection);
-	                _modalSelection.call(shortcutsModal);
-	            }
-	        });
-
-
-	    function shortcutsModal(_modalSelection) {
-	        _modalSelection.select('.modal')
-	            .classed('modal-shortcuts', true);
-
-	        var content = _modalSelection.select('.content');
-
-	        content
-	            .append('div')
-	            .attr('class', 'modal-section')
-	            .append('h3')
-	            .text(_t('shortcuts.title'));
-
-	        _mainFileFetcher.get('shortcuts')
-	            .then(function(data) { content.call(render, data); })
-	            .catch(function() { /* ignore */ });
-	    }
-
-
-	    function render(selection, dataShortcuts) {
-	        var wrapper = selection
-	            .selectAll('.wrapper')
-	            .data([0]);
-
-	        var wrapperEnter = wrapper
-	            .enter()
-	            .append('div')
-	            .attr('class', 'wrapper modal-section');
-
-	        var tabsBar = wrapperEnter
-	            .append('div')
-	            .attr('class', 'tabs-bar');
-
-	        var shortcutsList = wrapperEnter
-	            .append('div')
-	            .attr('class', 'shortcuts-list');
-
-	        wrapper = wrapper.merge(wrapperEnter);
-
-	        var tabs = tabsBar
-	            .selectAll('.tab')
-	            .data(dataShortcuts);
-
-	        var tabsEnter = tabs
-	            .enter()
-	            .append('div')
-	            .attr('class', 'tab')
-	            .on('click', function (d, i) {
-	                _activeTab = i;
-	                render(selection, dataShortcuts);
-	            });
-
-	        tabsEnter
-	            .append('span')
-	            .text(function (d) { return _t(d.text); });
-
-	        tabs = tabs
-	            .merge(tabsEnter);
-
-	        // Update
-	        wrapper.selectAll('.tab')
-	            .classed('active', function (d, i) {
-	                return i === _activeTab;
-	            });
-
-
-	        var shortcuts = shortcutsList
-	            .selectAll('.shortcut-tab')
-	            .data(dataShortcuts);
-
-	        var shortcutsEnter = shortcuts
-	            .enter()
-	            .append('div')
-	            .attr('class', function(d) { return 'shortcut-tab shortcut-tab-' + d.tab; });
-
-	        var columnsEnter = shortcutsEnter
-	            .selectAll('.shortcut-column')
-	            .data(function (d) { return d.columns; })
-	            .enter()
-	            .append('table')
-	            .attr('class', 'shortcut-column');
-
-	        var rowsEnter = columnsEnter
-	            .selectAll('.shortcut-row')
-	            .data(function (d) { return d.rows; })
-	            .enter()
-	            .append('tr')
-	            .attr('class', 'shortcut-row');
-
-
-	        var sectionRows = rowsEnter
-	            .filter(function (d) { return !d.shortcuts; });
-
-	        sectionRows
-	            .append('td');
-
-	        sectionRows
-	            .append('td')
-	            .attr('class', 'shortcut-section')
-	            .append('h3')
-	            .text(function (d) { return _t(d.text); });
-
-
-	        var shortcutRows = rowsEnter
-	            .filter(function (d) { return d.shortcuts; });
-
-	        var shortcutKeys = shortcutRows
-	            .append('td')
-	            .attr('class', 'shortcut-keys');
-
-	        var modifierKeys = shortcutKeys
-	            .filter(function (d) { return d.modifiers; });
-
-	        modifierKeys
-	            .selectAll('kbd.modifier')
-	            .data(function (d) {
-	                if (detected.os === 'win' && d.text === 'shortcuts.editing.commands.redo') {
-	                    return ['⌘'];
-	                } else if (detected.os !== 'mac' && d.text === 'shortcuts.browsing.display_options.fullscreen') {
-	                    return [];
-	                } else {
-	                    return d.modifiers;
-	                }
-	            })
-	            .enter()
-	            .each(function () {
-	                var selection = select(this);
-
-	                selection
-	                    .append('kbd')
-	                    .attr('class', 'modifier')
-	                    .text(function (d) { return uiCmd.display(d); });
-
-	                selection
-	                    .append('span')
-	                    .text('+');
-	            });
-
-
-	        shortcutKeys
-	            .selectAll('kbd.shortcut')
-	            .data(function (d) {
-	                var arr = d.shortcuts;
-	                if (detected.os === 'win' && d.text === 'shortcuts.editing.commands.redo') {
-	                    arr = ['Y'];
-	                } else if (detected.os !== 'mac' && d.text === 'shortcuts.browsing.display_options.fullscreen') {
-	                    arr = ['F11'];
-	                }
-
-	                // replace translations
-	                arr = arr.map(function(s) {
-	                    return uiCmd.display(s.indexOf('.') !== -1 ? _t(s) : s);
-	                });
-
-	                return utilArrayUniq(arr).map(function(s) {
-	                    return {
-	                        shortcut: s,
-	                        separator: d.separator,
-	                        suffix: d.suffix
-	                    };
-	                });
-	            })
-	            .enter()
-	            .each(function (d, i, nodes) {
-	                var selection = select(this);
-	                var click = d.shortcut.toLowerCase().match(/(.*).click/);
-
-	                if (click && click[1]) {   // replace "left_click", "right_click" with mouse icon
-	                    selection
-	                        .call(svgIcon('#iD-walkthrough-mouse-' + click[1], 'operation'));
-	                } else if (d.shortcut.toLowerCase() === 'long-press') {
-	                    selection
-	                        .call(svgIcon('#iD-walkthrough-longpress', 'longpress operation'));
-	                } else if (d.shortcut.toLowerCase() === 'tap') {
-	                    selection
-	                        .call(svgIcon('#iD-walkthrough-tap', 'tap operation'));
-	                } else {
-	                    selection
-	                        .append('kbd')
-	                        .attr('class', 'shortcut')
-	                        .text(function (d) { return d.shortcut; });
-	                }
-
-	                if (i < nodes.length - 1) {
-	                    selection
-	                        .append('span')
-	                        .text(d.separator || '\u00a0' + _t('shortcuts.or') + '\u00a0');
-	                } else if (i === nodes.length - 1 && d.suffix) {
-	                    selection
-	                        .append('span')
-	                        .text(d.suffix);
-	                }
-	            });
-
-
-	        shortcutKeys
-	            .filter(function(d) { return d.gesture; })
-	            .each(function () {
-	                var selection = select(this);
-
-	                selection
-	                    .append('span')
-	                    .text('+');
-
-	                selection
-	                    .append('span')
-	                    .attr('class', 'gesture')
-	                    .text(function (d) { return _t(d.gesture); });
-	            });
-
-
-	        shortcutRows
-	            .append('td')
-	            .attr('class', 'shortcut-desc')
-	            .text(function (d) { return d.text ? _t(d.text) : '\u00a0'; });
-
-
-	        shortcuts = shortcuts
-	            .merge(shortcutsEnter);
-
-	        // Update
-	        wrapper.selectAll('.shortcut-tab')
-	            .style('display', function (d, i) {
-	                return i === _activeTab ? 'flex' : 'none';
-	            });
-	    }
-
-
-	    return function(selection, show) {
-	        _selection = selection;
-	        if (show) {
-	            _modalSelection = uiModal(selection);
-	            _modalSelection.call(shortcutsModal);
-	        }
-	    };
-	}
-
-	var pair_1 = pair;
-
-
-	function search(input, dims) {
-	  if (!dims) dims = 'NSEW';
-	  if (typeof input !== 'string') return null;
-
-	  input = input.toUpperCase();
-	  var regex = /^[\s\,]*([NSEW])?\s*([\-|\—|\―]?[0-9.]+)[°º˚]?\s*(?:([0-9.]+)['’′‘]\s*)?(?:([0-9.]+)(?:''|"|”|″)\s*)?([NSEW])?/;
-
-	  var m = input.match(regex);
-	  if (!m) return null;  // no match
-
-	  var matched = m[0];
-
-	  // extract dimension.. m[1] = leading, m[5] = trailing
-	  var dim;
-	  if (m[1] && m[5]) {                 // if matched both..
-	    dim = m[1];                       // keep leading
-	    matched = matched.slice(0, -1);   // remove trailing dimension from match
-	  } else {
-	    dim = m[1] || m[5];
-	  }
-
-	  // if unrecognized dimension
-	  if (dim && dims.indexOf(dim) === -1) return null;
-
-	  // extract DMS
-	  var deg = m[2] ? parseFloat(m[2]) : 0;
-	  var min = m[3] ? parseFloat(m[3]) / 60 : 0;
-	  var sec = m[4] ? parseFloat(m[4]) / 3600 : 0;
-	  var sign = (deg < 0) ? -1 : 1;
-	  if (dim === 'S' || dim === 'W') sign *= -1;
-
-	  return {
-	    val: (Math.abs(deg) + min + sec) * sign,
-	    dim: dim,
-	    matched: matched,
-	    remain: input.slice(matched.length)
-	  };
-	}
-
-
-	function pair(input, dims) {
-	  input = input.trim();
-	  var one = search(input, dims);
-	  if (!one) return null;
-
-	  input = one.remain.trim();
-	  var two = search(input, dims);
-	  if (!two || two.remain) return null;
-
-	  if (one.dim) {
-	    return swapdim(one.val, two.val, one.dim);
-	  } else {
-	    return [one.val, two.val];
-	  }
-	}
-
-
-	function swapdim(a, b, dim) {
-	  if (dim === 'N' || dim === 'S') return [a, b];
-	  if (dim === 'W' || dim === 'E') return [b, a];
-	}
-
-	function uiFeatureList(context) {
-	    var _geocodeResults;
-
-
-	    function featureList(selection) {
-	        var header = selection
-	            .append('div')
-	            .attr('class', 'header fillL cf');
-
-	        header
-	            .append('h3')
-	            .text(_t('inspector.feature_list'));
-
-	        var searchWrap = selection
-	            .append('div')
-	            .attr('class', 'search-header');
-
-	        var search = searchWrap
-	            .append('input')
-	            .attr('placeholder', _t('inspector.search'))
-	            .attr('type', 'search')
-	            .call(utilNoAuto)
-	            .on('keypress', keypress)
-	            .on('keydown', keydown)
-	            .on('input', inputevent);
-
-	        searchWrap
-	            .call(svgIcon('#iD-icon-search', 'pre-text'));
-
-	        var listWrap = selection
-	            .append('div')
-	            .attr('class', 'inspector-body');
-
-	        var list = listWrap
-	            .append('div')
-	            .attr('class', 'feature-list cf');
-
-	        context
-	            .on('exit.feature-list', clearSearch);
-	        context.map()
-	            .on('drawn.feature-list', mapDrawn);
-
-	        context.keybinding()
-	            .on(uiCmd('⌘F'), focusSearch);
-
-
-	        function focusSearch() {
-	            var mode = context.mode() && context.mode().id;
-	            if (mode !== 'browse') return;
-
-	            event.preventDefault();
-	            search.node().focus();
-	        }
-
-
-	        function keydown() {
-	            if (event.keyCode === 27) {  // escape
-	                search.node().blur();
-	            }
-	        }
-
-
-	        function keypress() {
-	            var q = search.property('value'),
-	                items = list.selectAll('.feature-list-item');
-	            if (event.keyCode === 13 && q.length && items.size()) {  // return
-	                click(items.datum());
-	            }
-	        }
-
-
-	        function inputevent() {
-	            _geocodeResults = undefined;
-	            drawList();
-	        }
-
-
-	        function clearSearch() {
-	            search.property('value', '');
-	            drawList();
-	        }
-
-
-	        function mapDrawn(e) {
-	            if (e.full) {
-	                drawList();
-	            }
-	        }
-
-
-	        function features() {
-	            var result = [];
-	            var graph = context.graph();
-	            var visibleCenter = context.map().extent().center();
-	            var q = search.property('value').toLowerCase();
-
-	            if (!q) return result;
-
-	            var idMatch = q.match(/(?:^|\W)(node|way|relation|[nwr])\W?0*([1-9]\d*)(?:\W|$)/i);
-
-	            if (idMatch) {
-	                var elemType = idMatch[1].charAt(0);
-	                var elemId = idMatch[2];
-	                result.push({
-	                    id: elemType + elemId,
-	                    geometry: elemType === 'n' ? 'point' : elemType === 'w' ? 'line' : 'relation',
-	                    type: elemType === 'n' ? _t('inspector.node') : elemType === 'w' ? _t('inspector.way') : _t('inspector.relation'),
-	                    name: elemId
-	                });
-	            }
-
-	            var locationMatch = pair_1(q.toUpperCase()) || q.match(/^(-?\d+\.?\d*)\s+(-?\d+\.?\d*)$/);
-
-	            if (locationMatch) {
-	                var loc = [parseFloat(locationMatch[0]), parseFloat(locationMatch[1])];
-	                result.push({
-	                    id: -1,
-	                    geometry: 'point',
-	                    type: _t('inspector.location'),
-	                    name: dmsCoordinatePair([loc[1], loc[0]]),
-	                    location: loc
-	                });
-	            }
-
-	            var allEntities = graph.entities;
-	            var localResults = [];
-	            for (var id in allEntities) {
-	                var entity = allEntities[id];
-	                if (!entity) continue;
-
-	                var name = utilDisplayName(entity) || '';
-	                if (name.toLowerCase().indexOf(q) < 0) continue;
-
-	                var matched = _mainPresetIndex.match(entity, graph);
-	                var type = (matched && matched.name()) || utilDisplayType(entity.id);
-	                var extent = entity.extent(graph);
-	                var distance = extent ? geoSphericalDistance(visibleCenter, extent.center()) : 0;
-
-	                localResults.push({
-	                    id: entity.id,
-	                    entity: entity,
-	                    geometry: entity.geometry(graph),
-	                    type: type,
-	                    name: name,
-	                    distance: distance
-	                });
-
-	                if (localResults.length > 100) break;
-	            }
-	            localResults = localResults.sort(function byDistance(a, b) {
-	                return a.distance - b.distance;
-	            });
-	            result = result.concat(localResults);
-
-	            (_geocodeResults || []).forEach(function(d) {
-	                if (d.osm_type && d.osm_id) {    // some results may be missing these - #1890
-
-	                    // Make a temporary osmEntity so we can preset match
-	                    // and better localize the search result - #4725
-	                    var id = osmEntity.id.fromOSM(d.osm_type, d.osm_id);
-	                    var tags = {};
-	                    tags[d.class] = d.type;
-
-	                    var attrs = { id: id, type: d.osm_type, tags: tags };
-	                    if (d.osm_type === 'way') {   // for ways, add some fake closed nodes
-	                        attrs.nodes = ['a','a'];  // so that geometry area is possible
-	                    }
-
-	                    var tempEntity = osmEntity(attrs);
-	                    var tempGraph = coreGraph([tempEntity]);
-	                    var matched = _mainPresetIndex.match(tempEntity, tempGraph);
-	                    var type = (matched && matched.name()) || utilDisplayType(id);
-
-	                    result.push({
-	                        id: tempEntity.id,
-	                        geometry: tempEntity.geometry(tempGraph),
-	                        type: type,
-	                        name: d.display_name,
-	                        extent: new geoExtent(
-	                            [parseFloat(d.boundingbox[3]), parseFloat(d.boundingbox[0])],
-	                            [parseFloat(d.boundingbox[2]), parseFloat(d.boundingbox[1])])
-	                    });
-	                }
-	            });
-
-	            if (q.match(/^[0-9]+$/)) {
-	                // if query is just a number, possibly an OSM ID without a prefix
-	                result.push({
-	                    id: 'n' + q,
-	                    geometry: 'point',
-	                    type: _t('inspector.node'),
-	                    name: q
-	                });
-	                result.push({
-	                    id: 'w' + q,
-	                    geometry: 'line',
-	                    type: _t('inspector.way'),
-	                    name: q
-	                });
-	                result.push({
-	                    id: 'r' + q,
-	                    geometry: 'relation',
-	                    type: _t('inspector.relation'),
-	                    name: q
-	                });
-	            }
-
-	            return result;
-	        }
-
-
-	        function drawList() {
-	            var value = search.property('value');
-	            var results = features();
-
-	            list.classed('filtered', value.length);
-
-	            var resultsIndicator = list.selectAll('.no-results-item')
-	                .data([0])
-	                .enter()
-	                .append('button')
-	                .property('disabled', true)
-	                .attr('class', 'no-results-item')
-	                .call(svgIcon('#iD-icon-alert', 'pre-text'));
-
-	            resultsIndicator.append('span')
-	                .attr('class', 'entity-name');
-
-	            list.selectAll('.no-results-item .entity-name')
-	                .text(_t('geocoder.no_results_worldwide'));
-
-	            if (services.geocoder) {
-	              list.selectAll('.geocode-item')
-	                  .data([0])
-	                  .enter()
-	                  .append('button')
-	                  .attr('class', 'geocode-item')
-	                  .on('click', geocoderSearch)
-	                  .append('div')
-	                  .attr('class', 'label')
-	                  .append('span')
-	                  .attr('class', 'entity-name')
-	                  .text(_t('geocoder.search'));
-	            }
-
-	            list.selectAll('.no-results-item')
-	                .style('display', (value.length && !results.length) ? 'block' : 'none');
-
-	            list.selectAll('.geocode-item')
-	                .style('display', (value && _geocodeResults === undefined) ? 'block' : 'none');
-
-	            list.selectAll('.feature-list-item')
-	                .data([-1])
-	                .remove();
-
-	            var items = list.selectAll('.feature-list-item')
-	                .data(results, function(d) { return d.id; });
-
-	            var enter = items.enter()
-	                .insert('button', '.geocode-item')
-	                .attr('class', 'feature-list-item')
-	                .on('mouseover', mouseover)
-	                .on('mouseout', mouseout)
-	                .on('click', click);
-
-	            var label = enter
-	                .append('div')
-	                .attr('class', 'label');
-
-	            label
-	                .each(function(d) {
-	                    select(this)
-	                        .call(svgIcon('#iD-icon-' + d.geometry, 'pre-text'));
-	                });
-
-	            label
-	                .append('span')
-	                .attr('class', 'entity-type')
-	                .text(function(d) { return d.type; });
-
-	            label
-	                .append('span')
-	                .attr('class', 'entity-name')
-	                .text(function(d) { return d.name; });
-
-	            enter
-	                .style('opacity', 0)
-	                .transition()
-	                .style('opacity', 1);
-
-	            items.order();
-
-	            items.exit()
-	                .remove();
-	        }
-
-
-	        function mouseover(d) {
-	            if (d.id === -1) return;
-
-	            utilHighlightEntities([d.id], true, context);
-	        }
-
-
-	        function mouseout(d) {
-	            if (d.id === -1) return;
-
-	            utilHighlightEntities([d.id], false, context);
-	        }
-
-
-	        function click(d) {
-	            event.preventDefault();
-
-	            if (d.location) {
-	                context.map().centerZoomEase([d.location[1], d.location[0]], 19);
-
-	            } else if (d.entity) {
-	                utilHighlightEntities([d.id], false, context);
-
-	                context.enter(modeSelect(context, [d.entity.id]));
-	                context.map().zoomToEase(d.entity);
-
-	            } else {
-	                // download, zoom to, and select the entity with the given ID
-	                context.zoomToEntity(d.id);
-	            }
-	        }
-
-
-	        function geocoderSearch() {
-	            services.geocoder.search(search.property('value'), function (err, resp) {
-	                _geocodeResults = resp || [];
-	                drawList();
-	            });
-	        }
-	    }
-
-
-	    return featureList;
-	}
-
-	function uiSectionEntityIssues(context) {
-
-	    var _entityIDs = [];
-	    var _issues = [];
-	    var _activeIssueID;
-
-	    var section = uiSection('entity-issues', context)
-	        .shouldDisplay(function() {
-	            return _issues.length > 0;
-	        })
-	        .title(function() {
-	            return _t('issues.list_title', { count: _issues.length });
-	        })
-	        .disclosureContent(renderDisclosureContent);
-
-	    context.validator()
-	        .on('validated.entity_issues', function() {
-	            // Refresh on validated events
-	            reloadIssues();
-	            section.reRender();
-	        })
-	        .on('focusedIssue.entity_issues', function(issue) {
-	             makeActiveIssue(issue.id);
-	        });
-
-	    function reloadIssues() {
-	        _issues = context.validator().getSharedEntityIssues(_entityIDs, { includeDisabledRules: true });
-	    }
-
-	    function makeActiveIssue(issueID) {
-	        _activeIssueID = issueID;
-	        section.selection().selectAll('.issue-container')
-	            .classed('active', function(d) { return d.id === _activeIssueID; });
-	    }
-
-	    function renderDisclosureContent(selection) {
-
-	        selection.classed('grouped-items-area', true);
-
-	        _activeIssueID = _issues.length > 0 ? _issues[0].id : null;
-
-	        var containers = selection.selectAll('.issue-container')
-	            .data(_issues, function(d) { return d.id; });
-
-	        // Exit
-	        containers.exit()
-	            .remove();
-
-	        // Enter
-	        var containersEnter = containers.enter()
-	            .append('div')
-	            .attr('class', 'issue-container');
-
-
-	        var itemsEnter = containersEnter
-	            .append('div')
-	            .attr('class', function(d) { return 'issue severity-' + d.severity; })
-	            .on('mouseover.highlight', function(d) {
-	                // don't hover-highlight the selected entity
-	                var ids = d.entityIds
-	                    .filter(function(e) { return _entityIDs.indexOf(e) === -1; });
-
-	                utilHighlightEntities(ids, true, context);
-	            })
-	            .on('mouseout.highlight', function(d) {
-	                var ids = d.entityIds
-	                    .filter(function(e) { return _entityIDs.indexOf(e) === -1; });
-
-	                utilHighlightEntities(ids, false, context);
-	            });
-
-	        var labelsEnter = itemsEnter
-	            .append('div')
-	            .attr('class', 'issue-label')
-	            .on('click', function(d) {
-
-	                makeActiveIssue(d.id); // expand only the clicked item
-
-	                var extent = d.extent(context.graph());
-	                if (extent) {
-	                    var setZoom = Math.max(context.map().zoom(), 19);
-	                    context.map().unobscuredCenterZoomEase(extent.center(), setZoom);
-	                }
-	            });
-
-	        var textEnter = labelsEnter
-	            .append('span')
-	            .attr('class', 'issue-text');
-
-	        textEnter
-	            .append('span')
-	            .attr('class', 'issue-icon')
-	            .each(function(d) {
-	                var iconName = '#iD-icon-' + (d.severity === 'warning' ? 'alert' : 'error');
-	                select(this)
-	                    .call(svgIcon(iconName));
-	            });
-
-	        textEnter
-	            .append('span')
-	            .attr('class', 'issue-message');
-
-
-	        var infoButton = labelsEnter
-	            .append('button')
-	            .attr('class', 'issue-info-button')
-	            .attr('title', _t('icons.information'))
-	            .attr('tabindex', -1)
-	            .call(svgIcon('#iD-icon-inspect'));
-
-	        infoButton
-	            .on('click', function () {
-	                event.stopPropagation();
-	                event.preventDefault();
-	                this.blur();    // avoid keeping focus on the button - #4641
-
-	                var container = select(this.parentNode.parentNode.parentNode);
-	                var info = container.selectAll('.issue-info');
-	                var isExpanded = info.classed('expanded');
-
-	                if (isExpanded) {
-	                    info
-	                        .transition()
-	                        .duration(200)
-	                        .style('max-height', '0px')
-	                        .style('opacity', '0')
-	                        .on('end', function () {
-	                            info.classed('expanded', false);
-	                        });
-	                } else {
-	                    info
-	                        .classed('expanded', true)
-	                        .transition()
-	                        .duration(200)
-	                        .style('max-height', '200px')
-	                        .style('opacity', '1')
-	                        .on('end', function () {
-	                            info.style('max-height', null);
-	                        });
-	                }
-	            });
-
-	        itemsEnter
-	            .append('ul')
-	            .attr('class', 'issue-fix-list');
-
-	        containersEnter
-	            .append('div')
-	            .attr('class', 'issue-info')
-	            .style('max-height', '0')
-	            .style('opacity', '0')
-	            .each(function(d) {
-	                if (typeof d.reference === 'function') {
-	                    select(this)
-	                        .call(d.reference);
-	                } else {
-	                    select(this)
-	                        .text(_t('inspector.no_documentation_key'));
-	                }
-	            });
-
-
-	        // Update
-	        containers = containers
-	            .merge(containersEnter)
-	            .classed('active', function(d) { return d.id === _activeIssueID; });
-
-	        containers.selectAll('.issue-message')
-	            .text(function(d) {
-	                return d.message(context);
-	            });
-
-	        // fixes
-	        var fixLists = containers.selectAll('.issue-fix-list');
-
-	        var fixes = fixLists.selectAll('.issue-fix-item')
-	            .data(function(d) { return d.fixes ? d.fixes(context) : []; }, function(fix) { return fix.id; });
-
-	        fixes.exit()
-	            .remove();
-
-	        var fixesEnter = fixes.enter()
-	            .append('li')
-	            .attr('class', 'issue-fix-item')
-	            .on('click', function(d) {
-	                // not all fixes are actionable
-	                if (!select(this).classed('actionable') || !d.onClick) return;
-
-	                // Don't run another fix for this issue within a second of running one
-	                // (Necessary for "Select a feature type" fix. Most fixes should only ever run once)
-	                if (d.issue.dateLastRanFix && new Date() - d.issue.dateLastRanFix < 1000) return;
-	                d.issue.dateLastRanFix = new Date();
-
-	                // remove hover-highlighting
-	                utilHighlightEntities(d.issue.entityIds.concat(d.entityIds), false, context);
-
-	                new Promise(function(resolve, reject) {
-	                    d.onClick(context, resolve, reject);
-	                    if (d.onClick.length <= 1) {
-	                        // if the fix doesn't take any completion parameters then consider it resolved
-	                        resolve();
-	                    }
-	                })
-	                .then(function() {
-	                    // revalidate whenever the fix has finished running successfully
-	                    context.validator().validate();
-	                });
-	            })
-	            .on('mouseover.highlight', function(d) {
-	                utilHighlightEntities(d.entityIds, true, context);
-	            })
-	            .on('mouseout.highlight', function(d) {
-	                utilHighlightEntities(d.entityIds, false, context);
-	            });
-
-	        fixesEnter
-	            .append('span')
-	            .attr('class', 'fix-icon')
-	            .each(function(d) {
-	                var iconName = d.icon || 'iD-icon-wrench';
-	                if (iconName.startsWith('maki')) {
-	                    iconName += '-15';
-	                }
-	                select(this).call(svgIcon('#' + iconName));
-	            });
-
-	        fixesEnter
-	            .append('span')
-	            .attr('class', 'fix-message')
-	            .text(function(d) { return d.title; });
-
-	        fixesEnter.merge(fixes)
-	            .classed('actionable', function(d) {
-	                return d.onClick;
-	            })
-	            .attr('title', function(d) {
-	                if (d.disabledReason) {
-	                    return d.disabledReason;
-	                }
-	                return null;
-	            });
-	    }
-
-	    section.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        if (!_entityIDs || !val || !utilArrayIdentical(_entityIDs, val)) {
-	            _entityIDs = val;
-	            _activeIssueID = null;
-	            reloadIssues();
-	        }
-	        return section;
-	    };
-
-	    return section;
-	}
-
-	function uiPresetIcon() {
-	  let _preset;
-	  let _geometry;
-	  let _sizeClass = 'medium';
-
-
-	  function isSmall() {
-	    return _sizeClass === 'small';
-	  }
-
-
-	  function presetIcon(selection) {
-	    selection.each(render);
-	  }
-
-
-	  function getIcon(p, geom) {
-	    if (isSmall() && p.isFallback && p.isFallback())
-	      return 'iD-icon-' + p.id;
-	    else if (p.icon)
-	      return p.icon;
-	    else if (geom === 'line')
-	      return 'iD-other-line';
-	    else if (geom === 'vertex')
-	      return p.isFallback() ? '' : 'temaki-vertex';
-	    else if (isSmall() && geom === 'point')
-	      return '';
-	    else
-	      return 'maki-marker-stroked';
-	  }
-
-
-	  function renderPointBorder(enter) {
-	    const w = 40;
-	    const h = 40;
-
-	    enter
-	      .append('svg')
-	      .attr('class', 'preset-icon-fill preset-icon-point-border')
-	      .attr('width', w)
-	      .attr('height', h)
-	      .attr('viewBox', `0 0 ${w} ${h}`)
-	      .append('path')
-	      .attr('transform', 'translate(11.5, 8)')
-	      .attr('d', 'M 17,8 C 17,13 11,21 8.5,23.5 C 6,21 0,13 0,8 C 0,4 4,-0.5 8.5,-0.5 C 13,-0.5 17,4 17,8 z');
-	  }
-
-
-	  function renderCircleFill(fillEnter) {
-	    const w = 60;
-	    const h = 60;
-	    const d = 40;
-
-	    fillEnter
-	      .append('svg')
-	      .attr('class', 'preset-icon-fill preset-icon-fill-vertex')
-	      .attr('width', w)
-	      .attr('height', h)
-	      .attr('viewBox', `0 0 ${w} ${h}`)
-	      .append('circle')
-	      .attr('cx', w / 2)
-	      .attr('cy', h / 2)
-	      .attr('r', d / 2);
-	  }
-
-
-	  function renderSquareFill(fillEnter) {
-	    const d = isSmall() ? 40 : 60;
-	    const w = d;
-	    const h = d;
-	    const l = d * 2/3;
-	    const c1 = (w-l) / 2;
-	    const c2 = c1 + l;
-
-	    fillEnter = fillEnter
-	      .append('svg')
-	      .attr('class', 'preset-icon-fill preset-icon-fill-area')
-	      .attr('width', w)
-	      .attr('height', h)
-	      .attr('viewBox', `0 0 ${w} ${h}`);
-
-	    ['fill', 'stroke'].forEach(klass => {
-	      fillEnter
-	        .append('path')
-	        .attr('d', `M${c1} ${c1} L${c1} ${c2} L${c2} ${c2} L${c2} ${c1} Z`)
-	        .attr('class', `line area ${klass}`);
-	    });
-
-	    const rVertex = 2.5;
-	    [[c1, c1], [c1, c2], [c2, c2], [c2, c1]].forEach(point => {
-	      fillEnter
-	        .append('circle')
-	        .attr('class', 'vertex')
-	        .attr('cx', point[0])
-	        .attr('cy', point[1])
-	        .attr('r', rVertex);
-	    });
-
-	    if (!isSmall()) {
-	      const rMidpoint = 1.25;
-	      [[c1, w/2], [c2, w/2], [h/2, c1], [h/2, c2]].forEach(point => {
-	        fillEnter
-	          .append('circle')
-	          .attr('class', 'midpoint')
-	          .attr('cx', point[0])
-	          .attr('cy', point[1])
-	          .attr('r', rMidpoint);
-	      });
-	    }
-	  }
-
-
-	  function renderLine(lineEnter) {
-	    const d = isSmall() ? 40 : 60;
-	    // draw the line parametrically
-	    const w = d;
-	    const h = d;
-	    const y = Math.round(d * 0.72);
-	    const l = Math.round(d * 0.6);
-	    const r = 2.5;
-	    const x1 = (w - l) / 2;
-	    const x2 = x1 + l;
-
-	    lineEnter = lineEnter
-	      .append('svg')
-	      .attr('class', 'preset-icon-line')
-	      .attr('width', w)
-	      .attr('height', h)
-	      .attr('viewBox', `0 0 ${w} ${h}`);
-
-	    ['casing', 'stroke'].forEach(klass => {
-	      lineEnter
-	        .append('path')
-	        .attr('d', `M${x1} ${y} L${x2} ${y}`)
-	        .attr('class', `line ${klass}`);
-	    });
-
-	    [[x1-1, y], [x2+1, y]].forEach(point => {
-	      lineEnter
-	        .append('circle')
-	        .attr('class', 'vertex')
-	        .attr('cx', point[0])
-	        .attr('cy', point[1])
-	        .attr('r', r);
-	    });
-	  }
-
-
-	  function renderRoute(routeEnter) {
-	    const d = isSmall() ? 40 : 60;
-	    // draw the route parametrically
-	    const w = d;
-	    const h = d;
-	    const y1 = Math.round(d * 0.80);
-	    const y2 = Math.round(d * 0.68);
-	    const l = Math.round(d * 0.6);
-	    const r = 2;
-	    const x1 = (w - l) / 2;
-	    const x2 = x1 + l / 3;
-	    const x3 = x2 + l / 3;
-	    const x4 = x3 + l / 3;
-
-	    routeEnter = routeEnter
-	      .append('svg')
-	      .attr('class', 'preset-icon-route')
-	      .attr('width', w)
-	      .attr('height', h)
-	      .attr('viewBox', `0 0 ${w} ${h}`);
-
-	    ['casing', 'stroke'].forEach(klass => {
-	      routeEnter
-	        .append('path')
-	        .attr('d', `M${x1} ${y1} L${x2} ${y2}`)
-	        .attr('class', `segment0 line ${klass}`);
-	      routeEnter
-	        .append('path')
-	        .attr('d', `M${x2} ${y2} L${x3} ${y1}`)
-	        .attr('class', `segment1 line ${klass}`);
-	      routeEnter
-	        .append('path')
-	        .attr('d', `M${x3} ${y1} L${x4} ${y2}`)
-	        .attr('class', `segment2 line ${klass}`);
-	    });
-
-	    [[x1, y1], [x2, y2], [x3, y1], [x4, y2]].forEach(point => {
-	      routeEnter
-	        .append('circle')
-	        .attr('class', 'vertex')
-	        .attr('cx', point[0])
-	        .attr('cy', point[1])
-	        .attr('r', r);
-	    });
-	  }
-
-
-	  // Route icons are drawn with a zigzag annotation underneath:
-	  //     o   o
-	  //    / \ /
-	  //   o   o
-	  // This dataset defines the styles that are used to draw the zigzag segments.
-	  const routeSegments = {
-	    bicycle: ['highway/cycleway', 'highway/cycleway', 'highway/cycleway'],
-	    bus: ['highway/unclassified', 'highway/secondary', 'highway/primary'],
-	    trolleybus: ['highway/unclassified', 'highway/secondary', 'highway/primary'],
-	    detour: ['highway/tertiary', 'highway/residential', 'highway/unclassified'],
-	    ferry: ['route/ferry', 'route/ferry', 'route/ferry'],
-	    foot: ['highway/footway', 'highway/footway', 'highway/footway'],
-	    hiking: ['highway/path', 'highway/path', 'highway/path'],
-	    horse: ['highway/bridleway', 'highway/bridleway', 'highway/bridleway'],
-	    light_rail: ['railway/light_rail', 'railway/light_rail', 'railway/light_rail'],
-	    monorail: ['railway/monorail', 'railway/monorail', 'railway/monorail'],
-	    pipeline: ['man_made/pipeline', 'man_made/pipeline', 'man_made/pipeline'],
-	    piste: ['piste/downhill', 'piste/hike', 'piste/nordic'],
-	    power: ['power/line', 'power/line', 'power/line'],
-	    road: ['highway/secondary', 'highway/primary', 'highway/trunk'],
-	    subway: ['railway/subway', 'railway/subway', 'railway/subway'],
-	    train: ['railway/rail', 'railway/rail', 'railway/rail'],
-	    tram: ['railway/tram', 'railway/tram', 'railway/tram'],
-	    waterway: ['waterway/stream', 'waterway/stream', 'waterway/stream']
-	  };
-
-
-	  function render() {
-	    let p = _preset.apply(this, arguments);
-	    let geom = _geometry ? _geometry.apply(this, arguments) : null;
-	    if (geom === 'relation' && p.tags && ((p.tags.type === 'route' && p.tags.route && routeSegments[p.tags.route]) || p.tags.type === 'waterway')) {
-	      geom = 'route';
-	    }
-
-	    const showThirdPartyIcons = corePreferences('preferences.privacy.thirdpartyicons') || 'true';
-	    const isFallback = isSmall() && p.isFallback && p.isFallback();
-	    const imageURL = (showThirdPartyIcons === 'true') && p.imageURL;
-	    const picon = getIcon(p, geom);
-	    const isMaki = picon && /^maki-/.test(picon);
-	    const isTemaki = picon && /^temaki-/.test(picon);
-	    const isFa = picon && /^fa[srb]-/.test(picon);
-	    const isTnp = picon && /^tnp-/.test(picon);
-	    const isiDIcon = picon && !(isMaki || isTemaki || isFa || isTnp);
-	    const isCategory = !p.setTags;
-	    const drawPoint = picon && geom === 'point' && isSmall() && !isFallback;
-	    const drawVertex = picon !== null && geom === 'vertex' && (!isSmall() || !isFallback);
-	    const drawLine = picon && geom === 'line' && !isFallback && !isCategory;
-	    const drawArea = picon && geom === 'area' && !isFallback;
-	    const drawRoute = picon && geom === 'route';
-	    const isFramed = (drawVertex || drawArea || drawLine || drawRoute);
-
-	    let tags = !isCategory ? p.setTags({}, geom) : {};
-	    for (let k in tags) {
-	      if (tags[k] === '*') {
-	        tags[k] = 'yes';
-	      }
-	    }
-
-	    let tagClasses = svgTagClasses().getClassesString(tags, '');
-	    let selection = select(this);
-
-	    let container = selection.selectAll('.preset-icon-container')
-	      .data([0]);
-
-	    container = container.enter()
-	      .append('div')
-	      .attr('class', `preset-icon-container ${_sizeClass}`)
-	      .merge(container);
-
-	    container
-	      .classed('showing-img', !!imageURL)
-	      .classed('fallback', isFallback);
-
-
-	    let pointBorder = container.selectAll('.preset-icon-point-border')
-	      .data(drawPoint ? [0] : []);
-
-	    pointBorder.exit()
-	      .remove();
-
-	    let pointBorderEnter = pointBorder.enter();
-	    renderPointBorder(pointBorderEnter);
-	    pointBorder = pointBorderEnter.merge(pointBorder);
-
-
-	    let vertexFill = container.selectAll('.preset-icon-fill-vertex')
-	      .data(drawVertex ? [0] : []);
-
-	    vertexFill.exit()
-	      .remove();
-
-	    let vertexFillEnter = vertexFill.enter();
-	    renderCircleFill(vertexFillEnter);
-	    vertexFill = vertexFillEnter.merge(vertexFill);
-
-
-	    let fill = container.selectAll('.preset-icon-fill-area')
-	      .data(drawArea ? [0] : []);
-
-	    fill.exit()
-	      .remove();
-
-	    let fillEnter = fill.enter();
-	    renderSquareFill(fillEnter);
-	    fill = fillEnter.merge(fill);
-
-	    fill.selectAll('path.stroke')
-	      .attr('class', `area stroke ${tagClasses}`);
-	    fill.selectAll('path.fill')
-	      .attr('class', `area fill ${tagClasses}`);
-
-
-	    let line = container.selectAll('.preset-icon-line')
-	      .data(drawLine ? [0] : []);
-
-	    line.exit()
-	      .remove();
-
-	    let lineEnter = line.enter();
-	    renderLine(lineEnter);
-	    line = lineEnter.merge(line);
-
-	    line.selectAll('path.stroke')
-	      .attr('class', `line stroke ${tagClasses}`);
-	    line.selectAll('path.casing')
-	      .attr('class', `line casing ${tagClasses}`);
-
-
-	    let route = container.selectAll('.preset-icon-route')
-	      .data(drawRoute ? [0] : []);
-
-	    route.exit()
-	      .remove();
-
-	    let routeEnter = route.enter();
-	    renderRoute(routeEnter);
-	    route = routeEnter.merge(route);
-
-	    if (drawRoute) {
-	      let routeType = p.tags.type === 'waterway' ? 'waterway' : p.tags.route;
-	      const segmentPresetIDs = routeSegments[routeType];
-	      for (let i in segmentPresetIDs) {
-	        const segmentPreset = _mainPresetIndex.item(segmentPresetIDs[i]);
-	        const segmentTagClasses = svgTagClasses().getClassesString(segmentPreset.tags, '');
-	        route.selectAll(`path.stroke.segment${i}`)
-	          .attr('class', `segment${i} line stroke ${segmentTagClasses}`);
-	        route.selectAll(`path.casing.segment${i}`)
-	          .attr('class', `segment${i} line casing ${segmentTagClasses}`);
-	      }
-	    }
-
-
-	    let icon = container.selectAll('.preset-icon')
-	      .data(picon ? [0] : []);
-
-	    icon.exit()
-	      .remove();
-
-	    icon = icon.enter()
-	      .append('div')
-	      .attr('class', 'preset-icon')
-	      .call(svgIcon(''))
-	      .merge(icon);
-
-	    icon
-	      .attr('class', 'preset-icon ' + (geom ? geom + '-geom' : ''))
-	      .classed('framed', isFramed)
-	      .classed('preset-icon-iD', isiDIcon);
-
-	    icon.selectAll('svg')
-	      .attr('class', 'icon ' + picon + ' ' + (!isiDIcon && geom !== 'line'  ? '' : tagClasses));
-
-	    icon.selectAll('use')
-	      .attr('href', '#' + picon + (isMaki ? (isSmall() && geom === 'point' ? '-11' : '-15') : ''));
-
-	    let imageIcon = container.selectAll('img.image-icon')
-	      .data(imageURL ? [0] : []);
-
-	    imageIcon.exit()
-	      .remove();
-
-	    imageIcon = imageIcon.enter()
-	      .append('img')
-	      .attr('class', 'image-icon')
-	      .on('load', () => container.classed('showing-img', true) )
-	      .on('error', () => container.classed('showing-img', false) )
-	      .merge(imageIcon);
-
-	    imageIcon
-	      .attr('src', imageURL);
-	  }
-
-
-	  presetIcon.preset = function(val) {
-	    if (!arguments.length) return _preset;
-	    _preset = utilFunctor(val);
-	    return presetIcon;
-	  };
-
-
-	  presetIcon.geometry = function(val) {
-	    if (!arguments.length) return _geometry;
-	    _geometry = utilFunctor(val);
-	    return presetIcon;
-	  };
-
-
-	  presetIcon.sizeClass = function(val) {
-	    if (!arguments.length) return _sizeClass;
-	    _sizeClass = val;
-	    return presetIcon;
-	  };
-
-	  return presetIcon;
-	}
-
-	function uiSectionFeatureType(context) {
-
-	    var dispatch$1 = dispatch('choose');
-
-	    var _entityIDs = [];
-	    var _presets = [];
-
-	    var _tagReference;
-
-	    var section = uiSection('feature-type', context)
-	        .title(_t('inspector.feature_type'))
-	        .disclosureContent(renderDisclosureContent);
-
-	    function renderDisclosureContent(selection) {
-
-	        selection.classed('preset-list-item', true);
-	        selection.classed('mixed-types', _presets.length > 1);
-
-	        var presetButtonWrap = selection
-	            .selectAll('.preset-list-button-wrap')
-	            .data([0])
-	            .enter()
-	            .append('div')
-	            .attr('class', 'preset-list-button-wrap');
-
-	        var presetButton = presetButtonWrap
-	            .append('button')
-	            .attr('class', 'preset-list-button preset-reset')
-	            .call(uiTooltip()
-	                .title(_t('inspector.back_tooltip'))
-	                .placement('bottom')
-	            );
-
-	        presetButton.append('div')
-	            .attr('class', 'preset-icon-container');
-
-	        presetButton
-	            .append('div')
-	            .attr('class', 'label')
-	            .append('div')
-	            .attr('class', 'label-inner');
-
-	        presetButtonWrap.append('div')
-	            .attr('class', 'accessory-buttons');
-
-	        var tagReferenceBodyWrap = selection
-	            .selectAll('.tag-reference-body-wrap')
-	            .data([0]);
-
-	        tagReferenceBodyWrap = tagReferenceBodyWrap
-	            .enter()
-	            .append('div')
-	            .attr('class', 'tag-reference-body-wrap')
-	            .merge(tagReferenceBodyWrap);
-
-	        // update header
-	        if (_tagReference) {
-	            selection.selectAll('.preset-list-button-wrap .accessory-buttons')
-	                .style('display', _presets.length === 1 ? null : 'none')
-	                .call(_tagReference.button);
-
-	            tagReferenceBodyWrap
-	                .style('display', _presets.length === 1 ? null : 'none')
-	                .call(_tagReference.body);
-	        }
-
-	        selection.selectAll('.preset-reset')
-	            .on('click', function() {
-	                 dispatch$1.call('choose', this, _presets);
-	            })
-	            .on('pointerdown pointerup mousedown mouseup', function() {
-	                event.preventDefault();
-	                event.stopPropagation();
-	            });
-
-	        var geometries = entityGeometries();
-	        selection.select('.preset-list-item button')
-	            .call(uiPresetIcon()
-	                .geometry(_presets.length === 1 ? (geometries.length === 1 && geometries[0]) : null)
-	                .preset(_presets.length === 1 ? _presets[0] : _mainPresetIndex.item('point'))
-	            );
-
-	        // NOTE: split on en-dash, not a hypen (to avoid conflict with hyphenated names)
-	        var names = _presets.length === 1 ? _presets[0].name().split(' – ') : [_t('inspector.multiple_types')];
-
-	        var label = selection.select('.label-inner');
-	        var nameparts = label.selectAll('.namepart')
-	            .data(names, function(d) { return d; });
-
-	        nameparts.exit()
-	            .remove();
-
-	        nameparts
-	            .enter()
-	            .append('div')
-	            .attr('class', 'namepart')
-	            .text(function(d) { return d; });
-	    }
-
-	    section.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        return section;
-	    };
-
-	    section.presets = function(val) {
-	        if (!arguments.length) return _presets;
-
-	        // don't reload the same preset
-	        if (!utilArrayIdentical(val, _presets)) {
-	            _presets = val;
-
-	            var geometries = entityGeometries();
-	            if (_presets.length === 1 && geometries.length) {
-	                _tagReference = uiTagReference(_presets[0].reference(geometries[0]))
-	                    .showing(false);
-	            }
-	        }
-
-	        return section;
-	    };
-
-	    function entityGeometries() {
-
-	        var counts = {};
-
-	        for (var i in _entityIDs) {
-	            var geometry = context.graph().geometry(_entityIDs[i]);
-	            if (!counts[geometry]) counts[geometry] = 0;
-	            counts[geometry] += 1;
-	        }
-
-	        return Object.keys(counts).sort(function(geom1, geom2) {
-	            return counts[geom2] - counts[geom1];
-	        });
-	    }
-
-	    return utilRebind(section, dispatch$1, 'on');
-	}
-
-	// This currently only works with the 'restrictions' field
-	// It borrows some code from uiHelp
-
-	function uiFieldHelp(context, fieldName) {
-	    var fieldHelp = {};
-	    var _inspector = select(null);
-	    var _wrap = select(null);
-	    var _body = select(null);
-
-	    var fieldHelpKeys = {
-	        restrictions: [
-	            ['about',[
-	                'about',
-	                'from_via_to',
-	                'maxdist',
-	                'maxvia'
-	            ]],
-	            ['inspecting',[
-	                'about',
-	                'from_shadow',
-	                'allow_shadow',
-	                'restrict_shadow',
-	                'only_shadow',
-	                'restricted',
-	                'only'
-	            ]],
-	            ['modifying',[
-	                'about',
-	                'indicators',
-	                'allow_turn',
-	                'restrict_turn',
-	                'only_turn'
-	            ]],
-	            ['tips',[
-	                'simple',
-	                'simple_example',
-	                'indirect',
-	                'indirect_example',
-	                'indirect_noedit'
-	            ]]
-	        ]
-	    };
-
-	    var fieldHelpHeadings = {};
-
-	    var replacements = {
-	        distField: _t('restriction.controls.distance'),
-	        viaField: _t('restriction.controls.via'),
-	        fromShadow: icon('#iD-turn-shadow', 'pre-text shadow from'),
-	        allowShadow: icon('#iD-turn-shadow', 'pre-text shadow allow'),
-	        restrictShadow: icon('#iD-turn-shadow', 'pre-text shadow restrict'),
-	        onlyShadow: icon('#iD-turn-shadow', 'pre-text shadow only'),
-	        allowTurn: icon('#iD-turn-yes', 'pre-text turn'),
-	        restrictTurn: icon('#iD-turn-no', 'pre-text turn'),
-	        onlyTurn: icon('#iD-turn-only', 'pre-text turn')
-	    };
-
-
-	    // For each section, squash all the texts into a single markdown document
-	    var docs = fieldHelpKeys[fieldName].map(function(key) {
-	        var helpkey = 'help.field.' + fieldName + '.' + key[0];
-	        var text = key[1].reduce(function(all, part) {
-	            var subkey = helpkey + '.' + part;
-	            var depth = fieldHelpHeadings[subkey];                     // is this subkey a heading?
-	            var hhh = depth ? Array(depth + 1).join('#') + ' ' : '';   // if so, prepend with some ##'s
-	            return all + hhh + _t(subkey, replacements) + '\n\n';
-	        }, '');
-
-	        return {
-	            key: helpkey,
-	            title: _t(helpkey + '.title'),
-	            html: marked_1(text.trim())
-	        };
-	    });
-
-
-	    function show() {
-	        updatePosition();
-
-	        _body
-	            .classed('hide', false)
-	            .style('opacity', '0')
-	            .transition()
-	            .duration(200)
-	            .style('opacity', '1');
-	    }
-
-
-	    function hide() {
-	        _body
-	            .classed('hide', true)
-	            .transition()
-	            .duration(200)
-	            .style('opacity', '0')
-	            .on('end', function () {
-	                _body.classed('hide', true);
-	            });
-	    }
-
-
-	    function clickHelp(index) {
-	        var d = docs[index];
-	        var tkeys = fieldHelpKeys[fieldName][index][1];
-
-	        _body.selectAll('.field-help-nav-item')
-	            .classed('active', function(d, i) { return i === index; });
-
-	        var content = _body.selectAll('.field-help-content')
-	            .html(d.html);
-
-	        // class the paragraphs so we can find and style them
-	        content.selectAll('p')
-	            .attr('class', function(d, i) { return tkeys[i]; });
-
-	        // insert special content for certain help sections
-	        if (d.key === 'help.field.restrictions.inspecting') {
-	            content
-	                .insert('img', 'p.from_shadow')
-	                .attr('class', 'field-help-image cf')
-	                .attr('src', context.imagePath('tr_inspect.gif'));
-
-	        } else if (d.key === 'help.field.restrictions.modifying') {
-	            content
-	                .insert('img', 'p.allow_turn')
-	                .attr('class', 'field-help-image cf')
-	                .attr('src', context.imagePath('tr_modify.gif'));
-	        }
-	    }
-
-
-	    fieldHelp.button = function(selection) {
-	        if (_body.empty()) return;
-
-	        var button = selection.selectAll('.field-help-button')
-	            .data([0]);
-
-	        // enter/update
-	        button.enter()
-	            .append('button')
-	            .attr('class', 'field-help-button')
-	            .attr('tabindex', -1)
-	            .call(svgIcon('#iD-icon-help'))
-	            .merge(button)
-	            .on('click', function () {
-	                event.stopPropagation();
-	                event.preventDefault();
-	                if (_body.classed('hide')) {
-	                    show();
-	                } else {
-	                    hide();
-	                }
-	            });
-	    };
-
-
-	    function updatePosition() {
-	        var wrap = _wrap.node();
-	        var inspector = _inspector.node();
-	        var wRect = wrap.getBoundingClientRect();
-	        var iRect = inspector.getBoundingClientRect();
-
-	        _body
-	            .style('top', wRect.top + inspector.scrollTop - iRect.top + 'px');
-	    }
-
-
-	    fieldHelp.body = function(selection) {
-	        // This control expects the field to have a form-field-input-wrap div
-	        _wrap = selection.selectAll('.form-field-input-wrap');
-	        if (_wrap.empty()) return;
-
-	        // absolute position relative to the inspector, so it "floats" above the fields
-	        _inspector = context.container().select('.sidebar .entity-editor-pane .inspector-body');
-	        if (_inspector.empty()) return;
-
-	        _body = _inspector.selectAll('.field-help-body')
-	            .data([0]);
-
-	        var enter = _body.enter()
-	            .append('div')
-	            .attr('class', 'field-help-body hide');   // initially hidden
-
-	        var titleEnter = enter
-	            .append('div')
-	            .attr('class', 'field-help-title cf');
-
-	        titleEnter
-	            .append('h2')
-	            .attr('class', ((_mainLocalizer.textDirection() === 'rtl') ? 'fr' : 'fl'))
-	            .text(_t('help.field.' + fieldName + '.title'));
-
-	        titleEnter
-	            .append('button')
-	            .attr('class', 'fr close')
-	            .on('click', function() {
-	                event.stopPropagation();
-	                event.preventDefault();
-	                hide();
-	            })
-	            .call(svgIcon('#iD-icon-close'));
-
-	        var navEnter = enter
-	            .append('div')
-	            .attr('class', 'field-help-nav cf');
-
-	        var titles = docs.map(function(d) { return d.title; });
-	        navEnter.selectAll('.field-help-nav-item')
-	            .data(titles)
-	            .enter()
-	            .append('div')
-	            .attr('class', 'field-help-nav-item')
-	            .text(function(d) { return d; })
-	            .on('click', function(d, i) {
-	                event.stopPropagation();
-	                event.preventDefault();
-	                clickHelp(i);
-	            });
-
-	        enter
-	            .append('div')
-	            .attr('class', 'field-help-content');
-
-	        _body = _body
-	            .merge(enter);
-
-	        clickHelp(0);
-	    };
-
-
-	    return fieldHelp;
-	}
-
-	function uiFieldCheck(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var options = field.strings && field.strings.options;
-	    var values = [];
-	    var texts = [];
-
-	    var _tags;
-
-	    var input = select(null);
-	    var text = select(null);
-	    var label = select(null);
-	    var reverser = select(null);
-
-	    var _impliedYes;
-	    var _entityIDs = [];
-	    var _value;
-
-
-	    if (options) {
-	        for (var k in options) {
-	            values.push(k === 'undefined' ? undefined : k);
-	            texts.push(field.t('options.' + k, { 'default': options[k] }));
-	        }
-	    } else {
-	        values = [undefined, 'yes'];
-	        texts = [_t('inspector.unknown'), _t('inspector.check.yes')];
-	        if (field.type !== 'defaultCheck') {
-	            values.push('no');
-	            texts.push(_t('inspector.check.no'));
-	        }
-	    }
-
-
-	    // Checks tags to see whether an undefined value is "Assumed to be Yes"
-	    function checkImpliedYes() {
-	        _impliedYes = (field.id === 'oneway_yes');
-
-	        // hack: pretend `oneway` field is a `oneway_yes` field
-	        // where implied oneway tag exists (e.g. `junction=roundabout`) #2220, #1841
-	        if (field.id === 'oneway') {
-	            var entity = context.entity(_entityIDs[0]);
-	            for (var key in entity.tags) {
-	                if (key in osmOneWayTags && (entity.tags[key] in osmOneWayTags[key])) {
-	                    _impliedYes = true;
-	                    texts[0] = _t('presets.fields.oneway_yes.options.undefined');
-	                    break;
-	                }
-	            }
-	        }
-	    }
-
-
-	    function reverserHidden() {
-	        if (!context.container().select('div.inspector-hover').empty()) return true;
-	        return !(_value === 'yes' || (_impliedYes && !_value));
-	    }
-
-
-	    function reverserSetText(selection) {
-	        var entity = _entityIDs.length && context.hasEntity(_entityIDs[0]);
-	        if (reverserHidden() || !entity) return selection;
-
-	        var first = entity.first();
-	        var last = entity.isClosed() ? entity.nodes[entity.nodes.length - 2] : entity.last();
-	        var pseudoDirection = first < last;
-	        var icon = pseudoDirection ? '#iD-icon-forward' : '#iD-icon-backward';
-
-	        selection.selectAll('.reverser-span')
-	            .text(_t('inspector.check.reverser'))
-	            .call(svgIcon(icon, 'inline'));
-
-	        return selection;
-	    }
-
-
-	    var check = function(selection) {
-	        checkImpliedYes();
-
-	        label = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        var enter = label.enter()
-	            .append('label')
-	            .attr('class', 'form-field-input-wrap form-field-input-check');
-
-	        enter
-	            .append('input')
-	            .property('indeterminate', field.type !== 'defaultCheck')
-	            .attr('type', 'checkbox')
-	            .attr('id', field.domId);
-
-	        enter
-	            .append('span')
-	            .text(texts[0])
-	            .attr('class', 'value');
-
-	        if (field.type === 'onewayCheck') {
-	            enter
-	                .append('a')
-	                .attr('class', 'reverser button' + (reverserHidden() ? ' hide' : ''))
-	                .attr('href', '#')
-	                .append('span')
-	                .attr('class', 'reverser-span');
-	        }
-
-	        label = label.merge(enter);
-	        input = label.selectAll('input');
-	        text = label.selectAll('span.value');
-
-	        input
-	            .on('click', function() {
-	                event.stopPropagation();
-	                var t = {};
-
-	                if (Array.isArray(_tags[field.key])) {
-	                    if (values.indexOf('yes') !== -1) {
-	                        t[field.key] = 'yes';
-	                    } else {
-	                        t[field.key] = values[0];
-	                    }
-	                } else {
-	                    t[field.key] = values[(values.indexOf(_value) + 1) % values.length];
-	                }
-
-	                // Don't cycle through `alternating` or `reversible` states - #4970
-	                // (They are supported as translated strings, but should not toggle with clicks)
-	                if (t[field.key] === 'reversible' || t[field.key] === 'alternating') {
-	                    t[field.key] = values[0];
-	                }
-
-	                dispatch$1.call('change', this, t);
-	            });
-
-	        if (field.type === 'onewayCheck') {
-	            reverser = label.selectAll('.reverser');
-
-	            reverser
-	                .call(reverserSetText)
-	                .on('click', function() {
-	                    event.preventDefault();
-	                    event.stopPropagation();
-	                    context.perform(
-	                        function(graph) {
-	                            for (var i in _entityIDs) {
-	                                graph = actionReverse(_entityIDs[i])(graph);
-	                            }
-	                            return graph;
-	                        },
-	                        _t('operations.reverse.annotation')
-	                    );
-
-	                    // must manually revalidate since no 'change' event was called
-	                    context.validator().validate();
-
-	                    select(this)
-	                        .call(reverserSetText);
-	                });
-	        }
-	    };
-
-
-	    check.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        return check;
-	    };
-
-
-	    check.tags = function(tags) {
-
-	        _tags = tags;
-
-	        function isChecked(val) {
-	            return val !== 'no' && val !== '' && val !== undefined && val !== null;
-	        }
-
-	        function textFor(val) {
-	            if (val === '') val = undefined;
-	            var index = values.indexOf(val);
-	            return (index !== -1 ? texts[index] : ('"' + val + '"'));
-	        }
-
-	        checkImpliedYes();
-
-	        var isMixed = Array.isArray(tags[field.key]);
-
-	        _value = !isMixed && tags[field.key] && tags[field.key].toLowerCase();
-
-	        if (field.type === 'onewayCheck' && (_value === '1' || _value === '-1')) {
-	            _value = 'yes';
-	        }
-
-	        input
-	            .property('indeterminate', isMixed || (field.type !== 'defaultCheck' && !_value))
-	            .property('checked', isChecked(_value));
-
-	        text
-	            .text(isMixed ? _t('inspector.multiple_values') : textFor(_value))
-	            .classed('mixed', isMixed);
-
-	        label
-	            .classed('set', !!_value);
-
-	        if (field.type === 'onewayCheck') {
-	            reverser
-	                .classed('hide', reverserHidden())
-	                .call(reverserSetText);
-	        }
-	    };
-
-
-	    check.focus = function() {
-	        input.node().focus();
-	    };
-
-	    return utilRebind(check, dispatch$1, 'on');
-	}
-
-	function uiFieldCombo(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var taginfo = services.taginfo;
-	    var isMulti = (field.type === 'multiCombo');
-	    var isNetwork = (field.type === 'networkCombo');
-	    var isSemi = (field.type === 'semiCombo');
-	    var optstrings = field.strings && field.strings.options;
-	    var optarray = field.options;
-	    var snake_case = (field.snake_case || (field.snake_case === undefined));
-	    var caseSensitive = field.caseSensitive;
-	    var combobox = uiCombobox(context, 'combo-' + field.safeid)
-	        .caseSensitive(caseSensitive)
-	        .minItems(isMulti || isSemi ? 1 : 2);
-	    var container = select(null);
-	    var inputWrap = select(null);
-	    var input = select(null);
-	    var _comboData = [];
-	    var _multiData = [];
-	    var _entityIDs = [];
-	    var _tags;
-	    var _countryCode;
-	    var _staticPlaceholder;
-
-	    // initialize deprecated tags array
-	    var _dataDeprecated = [];
-	    _mainFileFetcher.get('deprecated')
-	        .then(function(d) { _dataDeprecated = d; })
-	        .catch(function() { /* ignore */ });
-
-
-	    // ensure multiCombo field.key ends with a ':'
-	    if (isMulti && /[^:]$/.test(field.key)) {
-	        field.key += ':';
-	    }
-
-
-	    function snake(s) {
-	        return s.replace(/\s+/g, '_');
-	    }
-
-	    function unsnake(s) {
-	        return s.replace(/_+/g, ' ');
-	    }
-
-	    function clean(s) {
-	        return s.split(';')
-	            .map(function(s) { return s.trim(); })
-	            .join(';');
-	    }
-
-
-	    // returns the tag value for a display value
-	    // (for multiCombo, dval should be the key suffix, not the entire key)
-	    function tagValue(dval) {
-	        dval = clean(dval || '');
-
-	        if (optstrings) {
-	            var found = _comboData.find(function(o) {
-	                return o.key && clean(o.value) === dval;
-	            });
-	            if (found) {
-	                return found.key;
-	            }
-	        }
-
-	        if (field.type === 'typeCombo' && !dval) {
-	            return 'yes';
-	        }
-
-	        return (snake_case ? snake(dval) : dval) || undefined;
-	    }
-
-
-	    // returns the display value for a tag value
-	    // (for multiCombo, tval should be the key suffix, not the entire key)
-	    function displayValue(tval) {
-	        tval = tval || '';
-
-	        if (optstrings) {
-	            var found = _comboData.find(function(o) {
-	                return o.key === tval && o.value;
-	            });
-	            if (found) {
-	                return found.value;
-	            }
-	        }
-
-	        if (field.type === 'typeCombo' && tval.toLowerCase() === 'yes') {
-	            return '';
-	        }
-
-	        return snake_case ? unsnake(tval) : tval;
-	    }
-
-
-	    // Compute the difference between arrays of objects by `value` property
-	    //
-	    // objectDifference([{value:1}, {value:2}, {value:3}], [{value:2}])
-	    // > [{value:1}, {value:3}]
-	    //
-	    function objectDifference(a, b) {
-	        return a.filter(function(d1) {
-	            return !b.some(function(d2) {
-	                return !d2.isMixed && d1.value === d2.value;
-	            });
-	        });
-	    }
-
-
-	    function initCombo(selection, attachTo) {
-	        if (optstrings) {
-	            selection.attr('readonly', 'readonly');
-	            selection.call(combobox, attachTo);
-	            setStaticValues(setPlaceholder);
-
-	        } else if (optarray) {
-	            selection.call(combobox, attachTo);
-	            setStaticValues(setPlaceholder);
-
-	        } else if (taginfo) {
-	            selection.call(combobox.fetcher(setTaginfoValues), attachTo);
-	            setTaginfoValues('', setPlaceholder);
-	        }
-	    }
-
-
-	    function setStaticValues(callback) {
-	        if (!(optstrings || optarray)) return;
-
-	        if (optstrings) {
-	            _comboData = Object.keys(optstrings).map(function(k) {
-	                var v = field.t('options.' + k, { 'default': optstrings[k] });
-	                return {
-	                    key: k,
-	                    value: v,
-	                    title: v
-	                };
-	            });
-
-	        } else if (optarray) {
-	            _comboData = optarray.map(function(k) {
-	                var v = snake_case ? unsnake(k) : k;
-	                return {
-	                    key: k,
-	                    value: v,
-	                    title: v
-	                };
-	            });
-	        }
-
-	        combobox.data(objectDifference(_comboData, _multiData));
-	        if (callback) callback(_comboData);
-	    }
-
-
-	    function setTaginfoValues(q, callback) {
-	        var fn = isMulti ? 'multikeys' : 'values';
-	        var query = (isMulti ? field.key : '') + q;
-	        var hasCountryPrefix = isNetwork && _countryCode && _countryCode.indexOf(q.toLowerCase()) === 0;
-	        if (hasCountryPrefix) {
-	            query = _countryCode + ':';
-	        }
-
-	        var params = {
-	            debounce: (q !== ''),
-	            key: field.key,
-	            query: query
-	        };
-
-	        if (_entityIDs.length) {
-	            params.geometry = context.graph().geometry(_entityIDs[0]);
-	        }
-
-	        taginfo[fn](params, function(err, data) {
-	            if (err) return;
-
-	            data = data.filter(function(d) {
-
-	                if (field.type === 'typeCombo' && d.value === 'yes') {
-	                    // don't show the fallback value
-	                    return false;
-	                }
-
-	                // don't show values with very low usage
-	                return !d.count || d.count > 10;
-	            });
-
-	            var deprecatedValues = osmEntity.deprecatedTagValuesByKey(_dataDeprecated)[field.key];
-	            if (deprecatedValues) {
-	                // don't suggest deprecated tag values
-	                data = data.filter(function(d) {
-	                    return deprecatedValues.indexOf(d.value) === -1;
-	                });
-	            }
-
-	            if (hasCountryPrefix) {
-	                data = data.filter(function(d) {
-	                    return d.value.toLowerCase().indexOf(_countryCode + ':') === 0;
-	                });
-	            }
-
-	            // hide the caret if there are no suggestions
-	            container.classed('empty-combobox', data.length === 0);
-
-	            _comboData = data.map(function(d) {
-	                var k = d.value;
-	                if (isMulti) k = k.replace(field.key, '');
-	                var v = snake_case ? unsnake(k) : k;
-	                return {
-	                    key: k,
-	                    value: v,
-	                    title: isMulti ? v : d.title
-	                };
-	            });
-
-	            _comboData = objectDifference(_comboData, _multiData);
-	            if (callback) callback(_comboData);
-	        });
-	    }
-
-
-	    function setPlaceholder(values) {
-
-	        if (isMulti || isSemi) {
-	            _staticPlaceholder = field.placeholder() || _t('inspector.add');
-	        } else {
-	            var vals = values
-	                .map(function(d) { return d.value; })
-	                .filter(function(s) { return s.length < 20; });
-
-	            var placeholders = vals.length > 1 ? vals : values.map(function(d) { return d.key; });
-	            _staticPlaceholder = field.placeholder() || placeholders.slice(0, 3).join(', ');
-	        }
-
-	        if (!/(…|\.\.\.)$/.test(_staticPlaceholder)) {
-	            _staticPlaceholder += '…';
-	        }
-
-	        var ph;
-	        if (!isMulti && !isSemi && _tags && Array.isArray(_tags[field.key])) {
-	            ph = _t('inspector.multiple_values');
-	        } else {
-	            ph =  _staticPlaceholder;
-	        }
-
-	        container.selectAll('input')
-	            .attr('placeholder', ph);
-	    }
-
-
-	    function change() {
-	        var t = {};
-	        var val;
-
-	        if (isMulti || isSemi) {
-	            val = tagValue(utilGetSetValue(input).replace(/,/g, ';')) || '';
-	            container.classed('active', false);
-	            utilGetSetValue(input, '');
-
-	            var vals = val.split(';').filter(Boolean);
-	            if (!vals.length) return;
-
-	            if (isMulti) {
-	                utilArrayUniq(vals).forEach(function(v) {
-	                    var key = field.key + v;
-	                    if (_tags) {
-	                        // don't set a multicombo value to 'yes' if it already has a non-'no' value
-	                        // e.g. `language:de=main`
-	                        var old = _tags[key];
-	                        if (typeof old === 'string' && old.toLowerCase() !== 'no') return;
-	                    }
-	                    key = context.cleanTagKey(key);
-	                    field.keys.push(key);
-	                    t[key] = 'yes';
-	                });
-
-	            } else if (isSemi) {
-	                var arr = _multiData.map(function(d) { return d.key; });
-	                arr = arr.concat(vals);
-	                t[field.key] = context.cleanTagValue(utilArrayUniq(arr).filter(Boolean).join(';'));
-	            }
-
-	            window.setTimeout(function() { input.node().focus(); }, 10);
-
-	        } else {
-	            var rawValue = utilGetSetValue(input);
-
-	            // don't override multiple values with blank string
-	            if (!rawValue && Array.isArray(_tags[field.key])) return;
-
-	            val = context.cleanTagValue(tagValue(rawValue));
-	            t[field.key] = val || undefined;
-	        }
-
-	        dispatch$1.call('change', this, t);
-	    }
-
-
-	    function removeMultikey(d) {
-	        event.stopPropagation();
-	        var t = {};
-	        if (isMulti) {
-	            t[d.key] = undefined;
-	        } else if (isSemi) {
-	            var arr = _multiData.map(function(md) {
-	                return md.key === d.key ? null : md.key;
-	            }).filter(Boolean);
-
-	            arr = utilArrayUniq(arr);
-	            t[field.key] = arr.length ? arr.join(';') : undefined;
-	        }
-	        dispatch$1.call('change', this, t);
-	    }
-
-
-	    function combo(selection) {
-	        container = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        var type = (isMulti || isSemi) ? 'multicombo': 'combo';
-	        container = container.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + type)
-	            .merge(container);
-
-	        if (isMulti || isSemi) {
-	            container = container.selectAll('.chiplist')
-	                .data([0]);
-
-	            var listClass = 'chiplist';
-
-	            // Use a separate line for each value in the Destinations field
-	            // to mimic highway exit signs
-	            if (field.key === 'destination') {
-	                listClass += ' full-line-chips';
-	            }
-
-	            container = container.enter()
-	                .append('ul')
-	                .attr('class', listClass)
-	                .on('click', function() {
-	                    window.setTimeout(function() { input.node().focus(); }, 10);
-	                })
-	                .merge(container);
-
-
-	            inputWrap = container.selectAll('.input-wrap')
-	                .data([0]);
-
-	            inputWrap = inputWrap.enter()
-	                .append('li')
-	                .attr('class', 'input-wrap')
-	                .merge(inputWrap);
-
-	            input = inputWrap.selectAll('input')
-	                .data([0]);
-	        } else {
-	            input = container.selectAll('input')
-	                .data([0]);
-	        }
-
-	        input = input.enter()
-	            .append('input')
-	            .attr('type', 'text')
-	            .attr('id', field.domId)
-	            .call(utilNoAuto)
-	            .call(initCombo, selection)
-	            .merge(input);
-
-	        if (isNetwork) {
-	            var extent = combinedEntityExtent();
-	            var countryCode = extent && iso1A2Code(extent.center());
-	            _countryCode = countryCode && countryCode.toLowerCase();
-	        }
-
-	        input
-	            .on('change', change)
-	            .on('blur', change);
-
-	        input
-	            .on('keydown.field', function() {
-	                switch (event.keyCode) {
-	                    case 13: // ↩ Return
-	                        input.node().blur(); // blurring also enters the value
-	                        event.stopPropagation();
-	                        break;
-	                }
-	            });
-
-	        if (isMulti || isSemi) {
-	            combobox
-	                .on('accept', function() {
-	                    input.node().blur();
-	                    input.node().focus();
-	                });
-
-	            input
-	                .on('focus', function() { container.classed('active', true); });
-	        }
-	    }
-
-
-	    combo.tags = function(tags) {
-	        _tags = tags;
-
-	        if (isMulti || isSemi) {
-	            _multiData = [];
-
-	            var maxLength;
-
-	            if (isMulti) {
-	                // Build _multiData array containing keys already set..
-	                for (var k in tags) {
-	                    if (k.indexOf(field.key) !== 0) continue;
-	                    var v = tags[k];
-	                    if (!v || (typeof v === 'string' && v.toLowerCase() === 'no')) continue;
-
-	                    var suffix = k.substring(field.key.length);
-	                    _multiData.push({
-	                        key: k,
-	                        value: displayValue(suffix),
-	                        isMixed: Array.isArray(v)
-	                    });
-	                }
-
-	                // Set keys for form-field modified (needed for undo and reset buttons)..
-	                field.keys = _multiData.map(function(d) { return d.key; });
-
-	                // limit the input length so it fits after prepending the key prefix
-	                maxLength = context.maxCharsForTagKey() - utilUnicodeCharsCount(field.key);
-
-	            } else if (isSemi) {
-
-	                var allValues = [];
-	                var commonValues;
-	                if (Array.isArray(tags[field.key])) {
-
-	                    tags[field.key].forEach(function(tagVal) {
-	                        var thisVals = utilArrayUniq((tagVal || '').split(';')).filter(Boolean);
-	                        allValues = allValues.concat(thisVals);
-	                        if (!commonValues) {
-	                            commonValues = thisVals;
-	                        } else {
-	                            commonValues = commonValues.filter(value => thisVals.includes(value));
-	                        }
-	                    });
-	                    allValues = utilArrayUniq(allValues).filter(Boolean);
-
-	                } else {
-	                    allValues =  utilArrayUniq((tags[field.key] || '').split(';')).filter(Boolean);
-	                    commonValues = allValues;
-	                }
-
-	                _multiData = allValues.map(function(v) {
-	                    return {
-	                        key: v,
-	                        value: displayValue(v),
-	                        isMixed: !commonValues.includes(v)
-	                    };
-	                });
-
-	                var currLength = utilUnicodeCharsCount(commonValues.join(';'));
-
-	                // limit the input length to the remaining available characters
-	                maxLength = context.maxCharsForTagValue() - currLength;
-
-	                if (currLength > 0) {
-	                    // account for the separator if a new value will be appended to existing
-	                    maxLength -= 1;
-	                }
-	            }
-	            // a negative maxlength doesn't make sense
-	            maxLength = Math.max(0, maxLength);
-
-	            var allowDragAndDrop = isSemi // only semiCombo values are ordered
-	                && !Array.isArray(tags[field.key]);
-
-	            // Exclude existing multikeys from combo options..
-	            var available = objectDifference(_comboData, _multiData);
-	            combobox.data(available);
-
-	            // Hide 'Add' button if this field uses fixed set of
-	            // translateable optstrings and they're all currently used,
-	            // or if the field is already at its character limit
-	            var hideAdd = (optstrings && !available.length) || maxLength <= 0;
-	            container.selectAll('.chiplist .input-wrap')
-	                .style('display', hideAdd ? 'none' : null);
-
-
-	            // Render chips
-	            var chips = container.selectAll('.chip')
-	                .data(_multiData);
-
-	            chips.exit()
-	                .remove();
-
-	            var enter = chips.enter()
-	                .insert('li', '.input-wrap')
-	                .attr('class', 'chip');
-
-	            enter.append('span');
-	            enter.append('a');
-
-	            chips = chips.merge(enter)
-	                .order()
-	                .classed('draggable', allowDragAndDrop)
-	                .classed('mixed', function(d) {
-	                    return d.isMixed;
-	                })
-	                .attr('title', function(d) {
-	                    return d.isMixed ? _t('inspector.unshared_value_tooltip') : null;
-	                });
-
-	            if (allowDragAndDrop) {
-	                registerDragAndDrop(chips);
-	            }
-
-	            chips.select('span')
-	                .text(function(d) { return d.value; });
-
-	            chips.select('a')
-	                .on('click', removeMultikey)
-	                .attr('class', 'remove')
-	                .text('×');
-
-	        } else {
-	            var isMixed = Array.isArray(tags[field.key]);
-
-	            var mixedValues = isMixed && tags[field.key].map(function(val) {
-	                return displayValue(val);
-	            }).filter(Boolean);
-
-	            utilGetSetValue(input, !isMixed ? displayValue(tags[field.key]) : '')
-	                .attr('title', isMixed ? mixedValues.join('\n') : undefined)
-	                .attr('placeholder', isMixed ? _t('inspector.multiple_values') : _staticPlaceholder || '')
-	                .classed('mixed', isMixed);
-	        }
-	    };
-
-	    function registerDragAndDrop(selection) {
-
-	        // allow drag and drop re-ordering of chips
-	        var dragOrigin, targetIndex;
-	        selection.call(d3_drag()
-	            .on('start', function() {
-	                dragOrigin = {
-	                    x: event.x,
-	                    y: event.y
-	                };
-	                targetIndex = null;
-	            })
-	            .on('drag', function(d, index) {
-	                var x = event.x - dragOrigin.x,
-	                    y = event.y - dragOrigin.y;
-
-	                if (!select(this).classed('dragging') &&
-	                    // don't display drag until dragging beyond a distance threshold
-	                    Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)) <= 5) return;
-
-	                select(this)
-	                    .classed('dragging', true);
-
-	                targetIndex = null;
-	                var targetIndexOffsetTop = null;
-	                var draggedTagWidth = select(this).node().offsetWidth;
-
-	                if (field.key === 'destination') { // meaning tags are full width
-	                    container.selectAll('.chip')
-	                        .style('transform', function(d2, index2) {
-	                            var node = select(this).node();
-
-	                            if (index === index2) {
-	                                return 'translate(' + x + 'px, ' + y + 'px)';
-	                            // move the dragged tag up the order
-	                            } else if (index2 > index && event.y > node.offsetTop) {
-	                                if (targetIndex === null || index2 > targetIndex) {
-	                                    targetIndex = index2;
-	                                }
-	                                return 'translateY(-100%)';
-	                            // move the dragged tag down the order
-	                            } else if (index2 < index && event.y < node.offsetTop + node.offsetHeight) {
-	                                if (targetIndex === null || index2 < targetIndex) {
-	                                    targetIndex = index2;
-	                                }
-	                                return 'translateY(100%)';
-	                            }
-	                            return null;
-	                        });
-	                } else {
-	                    container.selectAll('.chip')
-	                        .each(function(d2, index2) {
-	                            var node = select(this).node();
-
-	                            // check the cursor is in the bounding box
-	                            if (
-	                                index !== index2 &&
-	                                event.x < node.offsetLeft + node.offsetWidth + 5 &&
-	                                event.x > node.offsetLeft &&
-	                                event.y < node.offsetTop + node.offsetHeight &&
-	                                event.y > node.offsetTop
-	                            ) {
-	                                targetIndex = index2;
-	                                targetIndexOffsetTop = node.offsetTop;
-	                            }
-	                        })
-	                        .style('transform', function(d2, index2) {
-	                            var node = select(this).node();
-
-	                            if (index === index2) {
-	                                return 'translate(' + x + 'px, ' + y + 'px)';
-	                            }
-
-	                            // only translate tags in the same row
-	                            if (node.offsetTop === targetIndexOffsetTop) {
-	                                if (index2 < index && index2 >= targetIndex) {
-	                                    return 'translateX(' + draggedTagWidth + 'px)';
-	                                } else if (index2 > index && index2 <= targetIndex) {
-	                                    return 'translateX(-' + draggedTagWidth + 'px)';
-	                                }
-	                            }
-	                            return null;
-	                        });
-	                    }
-	            })
-	            .on('end', function(d, index) {
-	                if (!select(this).classed('dragging')) {
-	                    return;
-	                }
-
-	                select(this)
-	                    .classed('dragging', false);
-
-	                container.selectAll('.chip')
-	                    .style('transform', null);
-
-	                if (typeof targetIndex === 'number') {
-	                    var element = _multiData[index];
-	                    _multiData.splice(index, 1);
-	                    _multiData.splice(targetIndex, 0, element);
-
-	                    var t = {};
-
-	                    if (_multiData.length) {
-	                        t[field.key] = _multiData.map(function(element) {
-	                            return element.key;
-	                        }).join(';');
-	                    } else {
-	                        t[field.key] = undefined;
-	                    }
-
-	                    dispatch$1.call('change', this, t);
-	                }
-	                dragOrigin = undefined;
-	                targetIndex = undefined;
-	            })
-	        );
-	    }
-
-
-	    combo.focus = function() {
-	        input.node().focus();
-	    };
-
-
-	    combo.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        return combo;
-	    };
-
-
-	    function combinedEntityExtent() {
-	        return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
-	    }
-
-
-	    return utilRebind(combo, dispatch$1, 'on');
-	}
-
-	function uiFieldText(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var input = select(null);
-	    var outlinkButton = select(null);
-	    var _entityIDs = [];
-	    var _tags;
-	    var _phoneFormats = {};
-
-	    if (field.type === 'tel') {
-	        _mainFileFetcher.get('phone_formats')
-	            .then(function(d) {
-	                _phoneFormats = d;
-	                updatePhonePlaceholder();
-	            })
-	            .catch(function() { /* ignore */ });
-	    }
-
-	    function i(selection) {
-	        var entity = _entityIDs.length && context.hasEntity(_entityIDs[0]);
-	        var preset = entity && _mainPresetIndex.match(entity, context.graph());
-	        var isLocked = preset && preset.suggestion && field.id === 'brand';
-	        field.locked(isLocked);
-
-	        var wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-	        input = wrap.selectAll('input')
-	            .data([0]);
-
-	        input = input.enter()
-	            .append('input')
-	            .attr('type', field.type === 'identifier' ? 'text' : field.type)
-	            .attr('id', field.domId)
-	            .classed(field.type, true)
-	            .call(utilNoAuto)
-	            .merge(input);
-
-	        input
-	            .classed('disabled', !!isLocked)
-	            .attr('readonly', isLocked || null)
-	            .on('input', change(true))
-	            .on('blur', change())
-	            .on('change', change());
-
-
-	        if (field.type === 'tel') {
-	            updatePhonePlaceholder();
-
-	        } else if (field.type === 'number') {
-	            var rtl = (_mainLocalizer.textDirection() === 'rtl');
-
-	            input.attr('type', 'text');
-
-	            var buttons = wrap.selectAll('.increment, .decrement')
-	                .data(rtl ? [1, -1] : [-1, 1]);
-
-	            buttons.enter()
-	                .append('button')
-	                .attr('tabindex', -1)
-	                .attr('class', function(d) {
-	                    var which = (d === 1 ? 'increment' : 'decrement');
-	                    return 'form-field-button ' + which;
-	                })
-	                .merge(buttons)
-	                .on('click', function(d) {
-	                    event.preventDefault();
-	                    var raw_vals = input.node().value || '0';
-	                    var vals = raw_vals.split(';');
-	                    vals = vals.map(function(v) {
-	                        var num = parseFloat(v.trim(), 10);
-	                        return isFinite(num) ? clamped(num + d) : v.trim();
-	                    });
-	                    input.node().value = vals.join(';');
-	                    change()();
-	                });
-	        } else if (field.type === 'identifier' && field.urlFormat && field.pattern) {
-
-	            input.attr('type', 'text');
-
-	            outlinkButton = wrap.selectAll('.foreign-id-permalink')
-	                .data([0]);
-
-	            outlinkButton.enter()
-	                .append('button')
-	                .attr('tabindex', -1)
-	                .call(svgIcon('#iD-icon-out-link'))
-	                .attr('class', 'form-field-button foreign-id-permalink')
-	                .attr('title', function() {
-	                    var domainResults = /^https?:\/\/(.{1,}?)\//.exec(field.urlFormat);
-	                    if (domainResults.length >= 2 && domainResults[1]) {
-	                        var domain = domainResults[1];
-	                        return _t('icons.view_on', { domain: domain });
-	                    }
-	                    return '';
-	                })
-	                .on('click', function() {
-	                    event.preventDefault();
-
-	                    var value = validIdentifierValueForLink();
-	                    if (value) {
-	                        var url = field.urlFormat.replace(/{value}/, encodeURIComponent(value));
-	                        window.open(url, '_blank');
-	                    }
-	                })
-	                .merge(outlinkButton);
-	        }
-	    }
-
-
-	    function updatePhonePlaceholder() {
-	        if (input.empty() || !Object.keys(_phoneFormats).length) return;
-
-	        var extent = combinedEntityExtent();
-	        var countryCode = extent && iso1A2Code(extent.center());
-	        var format = countryCode && _phoneFormats[countryCode.toLowerCase()];
-	        if (format) input.attr('placeholder', format);
-	    }
-
-
-	    function validIdentifierValueForLink() {
-	        if (field.type === 'identifier' && field.pattern) {
-	            var value = utilGetSetValue(input).trim().split(';')[0];
-	            return value && value.match(new RegExp(field.pattern));
-	        }
-	        return null;
-	    }
-
-
-	    // clamp number to min/max
-	    function clamped(num) {
-	        if (field.minValue !== undefined) {
-	            num = Math.max(num, field.minValue);
-	        }
-	        if (field.maxValue !== undefined) {
-	            num = Math.min(num, field.maxValue);
-	        }
-	        return num;
-	    }
-
-
-	    function change(onInput) {
-	        return function() {
-	            var t = {};
-	            var val = utilGetSetValue(input);
-	            if (!onInput) val = context.cleanTagValue(val);
-
-	            // don't override multiple values with blank string
-	            if (!val && Array.isArray(_tags[field.key])) return;
-
-	            if (!onInput) {
-	                if (field.type === 'number' && val) {
-	                    var vals = val.split(';');
-	                    vals = vals.map(function(v) {
-	                        var num = parseFloat(v.trim(), 10);
-	                        return isFinite(num) ? clamped(num) : v.trim();
-	                    });
-	                    val = vals.join(';');
-	                }
-	                utilGetSetValue(input, val);
-	            }
-	            t[field.key] = val || undefined;
-	            dispatch$1.call('change', this, t, onInput);
-	        };
-	    }
-
-
-	    i.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        return i;
-	    };
-
-
-	    i.tags = function(tags) {
-	        _tags = tags;
-
-	        var isMixed = Array.isArray(tags[field.key]);
-
-	        utilGetSetValue(input, !isMixed && tags[field.key] ? tags[field.key] : '')
-	            .attr('title', isMixed ? tags[field.key].filter(Boolean).join('\n') : undefined)
-	            .attr('placeholder', isMixed ? _t('inspector.multiple_values') : (field.placeholder() || _t('inspector.unknown')))
-	            .classed('mixed', isMixed);
-
-	        if (outlinkButton && !outlinkButton.empty()) {
-	            var disabled = !validIdentifierValueForLink();
-	            outlinkButton.classed('disabled', disabled);
-	        }
-	    };
-
-
-	    i.focus = function() {
-	        var node = input.node();
-	        if (node) node.focus();
-	    };
-
-	    function combinedEntityExtent() {
-	        return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
-	    }
-
-	    return utilRebind(i, dispatch$1, 'on');
-	}
-
-	function uiFieldAccess(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var items = select(null);
-	    var _tags;
-
-	    function access(selection) {
-	        var wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-	        var list = wrap.selectAll('ul')
-	            .data([0]);
-
-	        list = list.enter()
-	            .append('ul')
-	            .attr('class', 'rows')
-	            .merge(list);
-
-
-	        items = list.selectAll('li')
-	            .data(field.keys);
-
-	        // Enter
-	        var enter = items.enter()
-	            .append('li')
-	            .attr('class', function(d) { return 'labeled-input preset-access-' + d; });
-
-	        enter
-	            .append('span')
-	            .attr('class', 'label preset-label-access')
-	            .attr('for', function(d) { return 'preset-input-access-' + d; })
-	            .text(function(d) { return field.t('types.' + d); });
-
-	        enter
-	            .append('div')
-	            .attr('class', 'preset-input-access-wrap')
-	            .append('input')
-	            .attr('type', 'text')
-	            .attr('class', function(d) { return 'preset-input-access preset-input-access-' + d; })
-	            .call(utilNoAuto)
-	            .each(function(d) {
-	                select(this)
-	                    .call(uiCombobox(context, 'access-' + d)
-	                        .data(access.options(d))
-	                    );
-	            });
-
-
-	        // Update
-	        items = items.merge(enter);
-
-	        wrap.selectAll('.preset-input-access')
-	            .on('change', change)
-	            .on('blur', change);
-	    }
-
-
-	    function change(d) {
-	        var tag = {};
-	        var value = context.cleanTagValue(utilGetSetValue(select(this)));
-
-	        // don't override multiple values with blank string
-	        if (!value && typeof _tags[d] !== 'string') return;
-
-	        tag[d] = value || undefined;
-	        dispatch$1.call('change', this, tag);
-	    }
-
-
-	    access.options = function(type) {
-	        var options = ['no', 'permissive', 'private', 'permit', 'destination'];
-
-	        if (type !== 'access') {
-	            options.unshift('yes');
-	            options.push('designated');
-
-	            if (type === 'bicycle') {
-	                options.push('dismount');
-	            }
-	        }
-
-	        return options.map(function(option) {
-	            return {
-	                title: field.t('options.' + option + '.description'),
-	                value: option
-	            };
-	        });
-	    };
-
-
-	    var placeholdersByHighway = {
-	        footway: {
-	            foot: 'designated',
-	            motor_vehicle: 'no'
-	        },
-	        steps: {
-	            foot: 'yes',
-	            motor_vehicle: 'no',
-	            bicycle: 'no',
-	            horse: 'no'
-	        },
-	        pedestrian: {
-	            foot: 'yes',
-	            motor_vehicle: 'no'
-	        },
-	        cycleway: {
-	            motor_vehicle: 'no',
-	            bicycle: 'designated'
-	        },
-	        bridleway: {
-	            motor_vehicle: 'no',
-	            horse: 'designated'
-	        },
-	        path: {
-	            foot: 'yes',
-	            motor_vehicle: 'no',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        motorway: {
-	            foot: 'no',
-	            motor_vehicle: 'yes',
-	            bicycle: 'no',
-	            horse: 'no'
-	        },
-	        trunk: {
-	            motor_vehicle: 'yes'
-	        },
-	        primary: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        secondary: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        tertiary: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        residential: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        unclassified: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        service: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        motorway_link: {
-	            foot: 'no',
-	            motor_vehicle: 'yes',
-	            bicycle: 'no',
-	            horse: 'no'
-	        },
-	        trunk_link: {
-	            motor_vehicle: 'yes'
-	        },
-	        primary_link: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        secondary_link: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        },
-	        tertiary_link: {
-	            foot: 'yes',
-	            motor_vehicle: 'yes',
-	            bicycle: 'yes',
-	            horse: 'yes'
-	        }
-	    };
-
-
-	    access.tags = function(tags) {
-	        _tags = tags;
-
-	        utilGetSetValue(items.selectAll('.preset-input-access'), function(d) {
-	                return typeof tags[d] === 'string' ? tags[d] : '';
-	            })
-	            .classed('mixed', function(d) {
-	                return tags[d] && Array.isArray(tags[d]);
-	            })
-	            .attr('title', function(d) {
-	                return tags[d] && Array.isArray(tags[d]) && tags[d].filter(Boolean).join('\n');
-	            })
-	            .attr('placeholder', function(d) {
-	                if (tags[d] && Array.isArray(tags[d])) {
-	                    return _t('inspector.multiple_values');
-	                }
-	                if (d === 'access') {
-	                    return 'yes';
-	                }
-	                if (tags.access && typeof tags.access === 'string') {
-	                    return tags.access;
-	                }
-	                if (tags.highway) {
-	                    if (typeof tags.highway === 'string') {
-	                        if (placeholdersByHighway[tags.highway] &&
-	                            placeholdersByHighway[tags.highway][d]) {
-
-	                            return placeholdersByHighway[tags.highway][d];
-	                        }
-	                    } else {
-	                        var impliedAccesses = tags.highway.filter(Boolean).map(function(highwayVal) {
-	                            return placeholdersByHighway[highwayVal] && placeholdersByHighway[highwayVal][d];
-	                        }).filter(Boolean);
-
-	                        if (impliedAccesses.length === tags.highway.length &&
-	                            new Set(impliedAccesses).size === 1) {
-	                            // if all the highway values have the same implied access for this type then use that
-	                            return impliedAccesses[0];
-	                        }
-	                    }
-	                }
-	                return field.placeholder();
-	            });
-	    };
-
-
-	    access.focus = function() {
-	        items.selectAll('.preset-input-access')
-	            .node().focus();
-	    };
-
-
-	    return utilRebind(access, dispatch$1, 'on');
-	}
-
-	function uiFieldAddress(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var _selection = select(null);
-	    var _wrap = select(null);
-	    var addrField = _mainPresetIndex.field('address');   // needed for placeholder strings
-
-	    var _entityIDs = [];
-	    var _tags;
-	    var _countryCode;
-	    var _addressFormats = [{
-	        format: [
-	            ['housenumber', 'street'],
-	            ['city', 'postcode']
-	        ]
-	      }];
-
-	    _mainFileFetcher.get('address_formats')
-	        .then(function(d) {
-	            _addressFormats = d;
-	            if (!_selection.empty()) {
-	                _selection.call(address);
-	            }
-	        })
-	        .catch(function() { /* ignore */ });
-
-
-	    function getNearStreets() {
-	        var extent = combinedEntityExtent();
-	        var l = extent.center();
-	        var box = geoExtent(l).padByMeters(200);
-
-	        var streets = context.history().intersects(box)
-	            .filter(isAddressable)
-	            .map(function(d) {
-	                var loc = context.projection([
-	                    (extent[0][0] + extent[1][0]) / 2,
-	                    (extent[0][1] + extent[1][1]) / 2
-	                ]);
-	                var choice = geoChooseEdge(context.graph().childNodes(d), loc, context.projection);
-
-	                return {
-	                    title: d.tags.name,
-	                    value: d.tags.name,
-	                    dist: choice.distance
-	                };
-	            })
-	            .sort(function(a, b) {
-	                return a.dist - b.dist;
-	            });
-
-	        return utilArrayUniqBy(streets, 'value');
-
-	        function isAddressable(d) {
-	            return d.tags.highway && d.tags.name && d.type === 'way';
-	        }
-	    }
-
-
-	    function getNearCities() {
-	        var extent = combinedEntityExtent();
-	        var l = extent.center();
-	        var box = geoExtent(l).padByMeters(200);
-
-	        var cities = context.history().intersects(box)
-	            .filter(isAddressable)
-	            .map(function(d) {
-	                return {
-	                    title: d.tags['addr:city'] || d.tags.name,
-	                    value: d.tags['addr:city'] || d.tags.name,
-	                    dist: geoSphericalDistance(d.extent(context.graph()).center(), l)
-	                };
-	            })
-	            .sort(function(a, b) {
-	                return a.dist - b.dist;
-	            });
-
-	        return utilArrayUniqBy(cities, 'value');
-
-
-	        function isAddressable(d) {
-	            if (d.tags.name) {
-	                if (d.tags.admin_level === '8' && d.tags.boundary === 'administrative')
-	                    return true;
-	                if (d.tags.border_type === 'city')
-	                    return true;
-	                if (d.tags.place === 'city' || d.tags.place === 'town' || d.tags.place === 'village')
-	                    return true;
-	            }
-
-	            if (d.tags['addr:city'])
-	                return true;
-
-	            return false;
-	        }
-	    }
-
-	    function getNearValues(key) {
-	        var extent = combinedEntityExtent();
-	        var l = extent.center();
-	        var box = geoExtent(l).padByMeters(200);
-
-	        var results = context.history().intersects(box)
-	            .filter(function hasTag(d) { return _entityIDs.indexOf(d.id) === -1 && d.tags[key]; })
-	            .map(function(d) {
-	                return {
-	                    title: d.tags[key],
-	                    value: d.tags[key],
-	                    dist: geoSphericalDistance(d.extent(context.graph()).center(), l)
-	                };
-	            })
-	            .sort(function(a, b) {
-	                return a.dist - b.dist;
-	            });
-
-	        return utilArrayUniqBy(results, 'value');
-	    }
-
-
-	    function updateForCountryCode() {
-
-	        if (!_countryCode) return;
-
-	        var addressFormat;
-	        for (var i = 0; i < _addressFormats.length; i++) {
-	            var format = _addressFormats[i];
-	            if (!format.countryCodes) {
-	                addressFormat = format;   // choose the default format, keep going
-	            } else if (format.countryCodes.indexOf(_countryCode) !== -1) {
-	                addressFormat = format;   // choose the country format, stop here
-	                break;
-	            }
-	        }
-
-	        var dropdowns = addressFormat.dropdowns || [
-	            'city', 'county', 'country', 'district', 'hamlet',
-	            'neighbourhood', 'place', 'postcode', 'province',
-	            'quarter', 'state', 'street', 'subdistrict', 'suburb'
-	        ];
-
-	        var widths = addressFormat.widths || {
-	            housenumber: 1/3, street: 2/3,
-	            city: 2/3, state: 1/4, postcode: 1/3
-	        };
-
-	        function row(r) {
-	            // Normalize widths.
-	            var total = r.reduce(function(sum, key) {
-	                return sum + (widths[key] || 0.5);
-	            }, 0);
-
-	            return r.map(function(key) {
-	                return {
-	                    id: key,
-	                    width: (widths[key] || 0.5) / total
-	                };
-	            });
-	        }
-
-	        var rows = _wrap.selectAll('.addr-row')
-	            .data(addressFormat.format, function(d) {
-	                return d.toString();
-	            });
-
-	        rows.exit()
-	            .remove();
-
-	        rows
-	            .enter()
-	            .append('div')
-	            .attr('class', 'addr-row')
-	            .selectAll('input')
-	            .data(row)
-	            .enter()
-	            .append('input')
-	            .property('type', 'text')
-	            .call(updatePlaceholder)
-	            .attr('class', function (d) { return 'addr-' + d.id; })
-	            .call(utilNoAuto)
-	            .each(addDropdown)
-	            .style('width', function (d) { return d.width * 100 + '%'; });
-
-
-	        function addDropdown(d) {
-	            if (dropdowns.indexOf(d.id) === -1) return;  // not a dropdown
-
-	            var nearValues = (d.id === 'street') ? getNearStreets
-	                : (d.id === 'city') ? getNearCities
-	                : getNearValues;
-
-	            select(this)
-	                .call(uiCombobox(context, 'address-' + d.id)
-	                    .minItems(1)
-	                    .caseSensitive(true)
-	                    .fetcher(function(value, callback) {
-	                        callback(nearValues('addr:' + d.id));
-	                    })
-	                );
-	        }
-
-	        _wrap.selectAll('input')
-	            .on('blur', change())
-	            .on('change', change());
-
-	        _wrap.selectAll('input:not(.combobox-input)')
-	            .on('input', change(true));
-
-	        if (_tags) updateTags(_tags);
-	    }
-
-
-	    function address(selection) {
-	        _selection = selection;
-
-	        _wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        _wrap = _wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(_wrap);
-
-	        var extent = combinedEntityExtent();
-
-	        if (extent) {
-	            var countryCode;
-	            if (context.inIntro()) {
-	                // localize the address format for the walkthrough
-	                countryCode = _t('intro.graph.countrycode');
-	            } else {
-	                var center = extent.center();
-	                countryCode = iso1A2Code(center);
-	            }
-	            if (countryCode) {
-	                _countryCode = countryCode.toLowerCase();
-	                updateForCountryCode();
-	            }
-	        }
-	    }
-
-
-	    function change(onInput) {
-	        return function() {
-	            var tags = {};
-
-	            _wrap.selectAll('input')
-	                .each(function (subfield) {
-	                    var key = field.key + ':' + subfield.id;
-
-	                    var value = this.value;
-	                    if (!onInput) value = context.cleanTagValue(value);
-
-	                    // don't override multiple values with blank string
-	                    if (Array.isArray(_tags[key]) && !value) return;
-
-	                    tags[key] = value || undefined;
-	                });
-
-	            dispatch$1.call('change', this, tags, onInput);
-	        };
-	    }
-
-	    function updatePlaceholder(inputSelection) {
-	        return inputSelection.attr('placeholder', function(subfield) {
-	            if (_tags && Array.isArray(_tags[field.key + ':' + subfield.id])) {
-	                return _t('inspector.multiple_values');
-	            }
-	            if (_countryCode) {
-	                var localkey = subfield.id + '!' + _countryCode;
-	                var tkey = addrField.strings.placeholders[localkey] ? localkey : subfield.id;
-	                return addrField.t('placeholders.' + tkey);
-	            }
-	        });
-	    }
-
-
-	    function updateTags(tags) {
-	        utilGetSetValue(_wrap.selectAll('input'), function (subfield) {
-	                var val = tags[field.key + ':' + subfield.id];
-	                return typeof val === 'string' ? val : '';
-	            })
-	            .attr('title', function(subfield) {
-	                var val = tags[field.key + ':' + subfield.id];
-	                return val && Array.isArray(val) && val.filter(Boolean).join('\n');
-	            })
-	            .classed('mixed', function(subfield) {
-	                return Array.isArray(tags[field.key + ':' + subfield.id]);
-	            })
-	            .call(updatePlaceholder);
-	    }
-
-
-	    function combinedEntityExtent() {
-	        return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
-	    }
-
-
-	    address.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        return address;
-	    };
-
-
-	    address.tags = function(tags) {
-	        _tags = tags;
-	        updateTags(tags);
-	    };
-
-
-	    address.focus = function() {
-	        var node = _wrap.selectAll('input').node();
-	        if (node) node.focus();
-	    };
-
-
-	    return utilRebind(address, dispatch$1, 'on');
-	}
-
-	function uiFieldCycleway(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var items = select(null);
-	    var wrap = select(null);
-	    var _tags;
-
-	    function cycleway(selection) {
-
-	        function stripcolon(s) {
-	            return s.replace(':', '');
-	        }
-
-
-	        wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-
-	        var div = wrap.selectAll('ul')
-	            .data([0]);
-
-	        div = div.enter()
-	            .append('ul')
-	            .attr('class', 'rows')
-	            .merge(div);
-
-	        var keys = ['cycleway:left', 'cycleway:right'];
-
-	        items = div.selectAll('li')
-	            .data(keys);
-
-	        var enter = items.enter()
-	            .append('li')
-	            .attr('class', function(d) { return 'labeled-input preset-cycleway-' + stripcolon(d); });
-
-	        enter
-	            .append('span')
-	            .attr('class', 'label preset-label-cycleway')
-	            .attr('for', function(d) { return 'preset-input-cycleway-' + stripcolon(d); })
-	            .text(function(d) { return field.t('types.' + d); });
-
-	        enter
-	            .append('div')
-	            .attr('class', 'preset-input-cycleway-wrap')
-	            .append('input')
-	            .attr('type', 'text')
-	            .attr('class', function(d) { return 'preset-input-cycleway preset-input-' + stripcolon(d); })
-	            .call(utilNoAuto)
-	            .each(function(d) {
-	                select(this)
-	                    .call(uiCombobox(context, 'cycleway-' + stripcolon(d))
-	                        .data(cycleway.options(d))
-	                    );
-	            });
-
-	        items = items.merge(enter);
-
-	        // Update
-	        wrap.selectAll('.preset-input-cycleway')
-	            .on('change', change)
-	            .on('blur', change);
-	    }
-
-
-	    function change(key) {
-
-	        var newValue = context.cleanTagValue(utilGetSetValue(select(this)));
-
-	        // don't override multiple values with blank string
-	        if (!newValue && (Array.isArray(_tags.cycleway) || Array.isArray(_tags[key]))) return;
-
-	        if (newValue === 'none' || newValue === '') { newValue = undefined; }
-
-	        var otherKey = key === 'cycleway:left' ? 'cycleway:right' : 'cycleway:left';
-	        var otherValue = typeof _tags.cycleway === 'string' ? _tags.cycleway : _tags[otherKey];
-	        if (otherValue && Array.isArray(otherValue)) {
-	            // we must always have an explicit value for comparison
-	            otherValue = otherValue[0];
-	        }
-	        if (otherValue === 'none' || otherValue === '') { otherValue = undefined; }
-
-	        var tag = {};
-
-	        // If the left and right tags match, use the cycleway tag to tag both
-	        // sides the same way
-	        if (newValue === otherValue) {
-	            tag = {
-	                cycleway: newValue,
-	                'cycleway:left': undefined,
-	                'cycleway:right': undefined
-	            };
-	        } else {
-	            // Always set both left and right as changing one can affect the other
-	            tag = {
-	                cycleway: undefined
-	            };
-	            tag[key] = newValue;
-	            tag[otherKey] = otherValue;
-	        }
-
-	        dispatch$1.call('change', this, tag);
-	    }
-
-
-	    cycleway.options = function() {
-	        return Object.keys(field.strings.options).map(function(option) {
-	            return {
-	                title: field.t('options.' + option + '.description'),
-	                value: option
-	            };
-	        });
-	    };
-
-
-	    cycleway.tags = function(tags) {
-	        _tags = tags;
-
-	        // If cycleway is set, use that instead of individual values
-	        var commonValue = typeof tags.cycleway === 'string' && tags.cycleway;
-
-	        utilGetSetValue(items.selectAll('.preset-input-cycleway'), function(d) {
-	                if (commonValue) return commonValue;
-	                return !tags.cycleway && typeof tags[d] === 'string' ? tags[d] : '';
-	            })
-	            .attr('title', function(d) {
-	                if (Array.isArray(tags.cycleway) || Array.isArray(tags[d])) {
-	                    var vals = [];
-	                    if (Array.isArray(tags.cycleway)) {
-	                        vals = vals.concat(tags.cycleway);
-	                    }
-	                    if (Array.isArray(tags[d])) {
-	                        vals = vals.concat(tags[d]);
-	                    }
-	                    return vals.filter(Boolean).join('\n');
-	                }
-	                return null;
-	            })
-	            .attr('placeholder', function(d) {
-	                if (Array.isArray(tags.cycleway) || Array.isArray(tags[d])) {
-	                    return _t('inspector.multiple_values');
-	                }
-	                return field.placeholder();
-	            })
-	            .classed('mixed', function(d) {
-	                return Array.isArray(tags.cycleway) || Array.isArray(tags[d]);
-	            });
-	    };
-
-
-	    cycleway.focus = function() {
-	        var node = wrap.selectAll('input').node();
-	        if (node) node.focus();
-	    };
-
-
-	    return utilRebind(cycleway, dispatch$1, 'on');
-	}
-
-	function uiFieldLanes(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var LANE_WIDTH = 40;
-	    var LANE_HEIGHT = 200;
-	    var _entityIDs = [];
-
-	    function lanes(selection) {
-	        var lanesData = context.entity(_entityIDs[0]).lanes();
-
-	        if (!context.container().select('.inspector-wrap.inspector-hidden').empty() || !selection.node().parentNode) {
-	            selection.call(lanes.off);
-	            return;
-	        }
-
-	        var wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-	        var surface =  wrap.selectAll('.surface')
-	            .data([0]);
-
-	        var d = utilGetDimensions(wrap);
-	        var freeSpace = d[0] - lanesData.lanes.length * LANE_WIDTH * 1.5 + LANE_WIDTH * 0.5;
-
-	        surface = surface.enter()
-	            .append('svg')
-	            .attr('width', d[0])
-	            .attr('height', 300)
-	            .attr('class', 'surface')
-	            .merge(surface);
-
-
-	        var lanesSelection = surface.selectAll('.lanes')
-	            .data([0]);
-
-	        lanesSelection = lanesSelection.enter()
-	            .append('g')
-	            .attr('class', 'lanes')
-	            .merge(lanesSelection);
-
-	        lanesSelection
-	            .attr('transform', function () {
-	                return 'translate(' + (freeSpace / 2) + ', 0)';
-	            });
-
-
-	        var lane = lanesSelection.selectAll('.lane')
-	           .data(lanesData.lanes);
-
-	        lane.exit()
-	            .remove();
-
-	        var enter = lane.enter()
-	            .append('g')
-	            .attr('class', 'lane');
-
-	        enter
-	            .append('g')
-	            .append('rect')
-	            .attr('y', 50)
-	            .attr('width', LANE_WIDTH)
-	            .attr('height', LANE_HEIGHT);
-
-	        enter
-	            .append('g')
-	            .attr('class', 'forward')
-	            .append('text')
-	            .attr('y', 40)
-	            .attr('x', 14)
-	            .text('▲');
-
-	        enter
-	            .append('g')
-	            .attr('class', 'bothways')
-	            .append('text')
-	            .attr('y', 40)
-	            .attr('x', 14)
-	            .text('▲▼');
-
-	        enter
-	            .append('g')
-	            .attr('class', 'backward')
-	            .append('text')
-	            .attr('y', 40)
-	            .attr('x', 14)
-	            .text('▼');
-
-
-	        lane = lane
-	            .merge(enter);
-
-	        lane
-	            .attr('transform', function(d) {
-	                return 'translate(' + (LANE_WIDTH * d.index * 1.5) + ', 0)';
-	            });
-
-	        lane.select('.forward')
-	            .style('visibility', function(d) {
-	                return d.direction === 'forward' ? 'visible' : 'hidden';
-	            });
-
-	        lane.select('.bothways')
-	            .style('visibility', function(d) {
-	                return d.direction === 'bothways' ? 'visible' : 'hidden';
-	            });
-
-	        lane.select('.backward')
-	            .style('visibility', function(d) {
-	                return d.direction === 'backward' ? 'visible' : 'hidden';
-	            });
-	    }
-
-
-	    lanes.entityIDs = function(val) {
-	        _entityIDs = val;
-	    };
-
-	    lanes.tags = function() {};
-	    lanes.focus = function() {};
-	    lanes.off = function() {};
-
-	    return utilRebind(lanes, dispatch$1, 'on');
-	}
-
-	uiFieldLanes.supportsMultiselection = false;
-
-	var _languagesArray = [];
-
-
-	function uiFieldLocalized(field, context) {
-	    var dispatch$1 = dispatch('change', 'input');
-	    var wikipedia = services.wikipedia;
-	    var input = select(null);
-	    var localizedInputs = select(null);
-	    var _countryCode;
-	    var _tags;
-
-
-	    // A concern here in switching to async data means that _languagesArray will not
-	    // be available the first time through, so things like the fetchers and
-	    // the language() function will not work immediately.
-	    _mainFileFetcher.get('languages')
-	        .then(loadLanguagesArray)
-	        .catch(function() { /* ignore */ });
-
-	    var _territoryLanguages = {};
-	    _mainFileFetcher.get('territory_languages')
-	        .then(function(d) { _territoryLanguages = d; })
-	        .catch(function() { /* ignore */ });
-
-
-	    var allSuggestions = _mainPresetIndex.collection.filter(function(p) {
-	        return p.suggestion === true;
-	    });
-
-	    // reuse these combos
-	    var langCombo = uiCombobox(context, 'localized-lang')
-	        .fetcher(fetchLanguages)
-	        .minItems(0);
-
-	    var brandCombo = uiCombobox(context, 'localized-brand')
-	        .canAutocomplete(false)
-	        .minItems(1);
-
-	    var _selection = select(null);
-	    var _multilingual = [];
-	    var _buttonTip = uiTooltip()
-	        .title(_t('translate.translate'))
-	        .placement('left');
-	    var _wikiTitles;
-	    var _entityIDs = [];
-
-
-	    function loadLanguagesArray(dataLanguages) {
-	        if (_languagesArray.length !== 0) return;
-
-	        // some conversion is needed to ensure correct OSM tags are used
-	        var replacements = {
-	            sr: 'sr-Cyrl',      // in OSM, `sr` implies Cyrillic
-	            'sr-Cyrl': false    // `sr-Cyrl` isn't used in OSM
-	        };
-
-	        for (var code in dataLanguages) {
-	            if (replacements[code] === false) continue;
-	            var metaCode = code;
-	            if (replacements[code]) metaCode = replacements[code];
-
-	            _languagesArray.push({
-	                localName: _mainLocalizer.languageName(metaCode, { localOnly: true }),
-	                nativeName: dataLanguages[metaCode].nativeName,
-	                code: code,
-	                label: _mainLocalizer.languageName(metaCode)
-	            });
-	        }
-	    }
-
-
-	    function calcLocked() {
-
-	        // only lock the Name field
-	        var isLocked = field.id === 'name' &&
-	            _entityIDs.length &&
-	            // lock the field if any feature needs it
-	            _entityIDs.some(function(entityID) {
-
-	                var entity = context.graph().hasEntity(entityID);
-	                if (!entity) return false;
-
-	                var original = context.graph().base().entities[_entityIDs[0]];
-	                var hasOriginalName = original && entity.tags.name && entity.tags.name === original.tags.name;
-	                // if the name was already edited manually then allow further editing
-	                if (!hasOriginalName) return false;
-
-	                // features linked to Wikidata are likely important and should be protected
-	                if (entity.tags.wikidata) return true;
-
-	                // assume the name has already been confirmed if its source has been researched
-	                if (entity.tags['name:etymology:wikidata']) return true;
-
-	                var preset = _mainPresetIndex.match(entity, context.graph());
-	                var isSuggestion = preset && preset.suggestion;
-	                var showsBrand = preset && preset.originalFields.filter(function(d) {
-	                    return d.id === 'brand';
-	                }).length;
-	                // protect standardized brand names
-	                return isSuggestion && !showsBrand;
-	            });
-
-	        field.locked(isLocked);
-	    }
-
-
-	    // update _multilingual, maintaining the existing order
-	    function calcMultilingual(tags) {
-	        var existingLangsOrdered = _multilingual.map(function(item) {
-	            return item.lang;
-	        });
-	        var existingLangs = new Set(existingLangsOrdered.filter(Boolean));
-
-	        for (var k in tags) {
-	            var m = k.match(/^(.*):([a-zA-Z_-]+)$/);
-	            if (m && m[1] === field.key && m[2]) {
-	                var item = { lang: m[2], value: tags[k] };
-	                if (existingLangs.has(item.lang)) {
-	                    // update the value
-	                    _multilingual[existingLangsOrdered.indexOf(item.lang)].value = item.value;
-	                    existingLangs.delete(item.lang);
-	                } else {
-	                    _multilingual.push(item);
-	                }
-	            }
-	        }
-
-	        _multilingual = _multilingual.filter(function(item) {
-	            return !item.lang || !existingLangs.has(item.lang);
-	        });
-	    }
-
-
-	    function localized(selection) {
-	        _selection = selection;
-	        calcLocked();
-	        var isLocked = field.locked();
-	        var singularEntity = _entityIDs.length === 1 && context.hasEntity(_entityIDs[0]);
-	        var preset = singularEntity && _mainPresetIndex.match(singularEntity, context.graph());
-
-	        var wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        // enter/update
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-	        input = wrap.selectAll('.localized-main')
-	            .data([0]);
-
-	        // enter/update
-	        input = input.enter()
-	            .append('input')
-	            .attr('type', 'text')
-	            .attr('id', field.domId)
-	            .attr('class', 'localized-main')
-	            .call(utilNoAuto)
-	            .merge(input);
-
-	        if (preset && field.id === 'name') {
-	            var pTag = preset.id.split('/', 2);
-	            var pKey = pTag[0];
-	            var pValue = pTag[1];
-
-	            if (!preset.suggestion) {
-	                // Not a suggestion preset - Add a suggestions dropdown if it makes sense to.
-	                // This code attempts to determine if the matched preset is the
-	                // kind of preset that even can benefit from name suggestions..
-	                // - true = shops, cafes, hotels, etc. (also generic and fallback presets)
-	                // - false = churches, parks, hospitals, etc. (things not in the index)
-	                var isFallback = preset.isFallback();
-	                var goodSuggestions = allSuggestions.filter(function(s) {
-	                    if (isFallback) return true;
-	                    var sTag = s.id.split('/', 2);
-	                    var sKey = sTag[0];
-	                    var sValue = sTag[1];
-	                    return pKey === sKey && (!pValue || pValue === sValue);
-	                });
-
-	                // Show the suggestions.. If the user picks one, change the tags..
-	                if (allSuggestions.length && goodSuggestions.length) {
-	                    input
-	                        .on('blur.localized', checkBrandOnBlur)
-	                        .call(brandCombo
-	                            .fetcher(fetchBrandNames(preset, allSuggestions))
-	                            .on('accept', acceptBrand)
-	                            .on('cancel', cancelBrand)
-	                        );
-	                }
-	            }
-	        }
-
-	        input
-	            .classed('disabled', !!isLocked)
-	            .attr('readonly', isLocked || null)
-	            .on('input', change(true))
-	            .on('blur', change())
-	            .on('change', change());
-
-
-	        var translateButton = wrap.selectAll('.localized-add')
-	            .data([0]);
-
-	        translateButton = translateButton.enter()
-	            .append('button')
-	            .attr('class', 'localized-add form-field-button')
-	            .attr('tabindex', -1)
-	            .call(svgIcon('#iD-icon-plus'))
-	            .merge(translateButton);
-
-	        translateButton
-	            .classed('disabled', !!isLocked)
-	            .call(isLocked ? _buttonTip.destroy : _buttonTip)
-	            .on('click', addNew);
-
-
-	        if (_tags && !_multilingual.length) {
-	            calcMultilingual(_tags);
-	        }
-
-	        localizedInputs = selection.selectAll('.localized-multilingual')
-	            .data([0]);
-
-	        localizedInputs = localizedInputs.enter()
-	            .append('div')
-	            .attr('class', 'localized-multilingual')
-	            .merge(localizedInputs);
-
-	        localizedInputs
-	            .call(renderMultilingual);
-
-	        localizedInputs.selectAll('button, input')
-	            .classed('disabled', !!isLocked)
-	            .attr('readonly', isLocked || null);
-
-
-
-	        // We are not guaranteed to get an `accept` or `cancel` when blurring the field.
-	        // (This can happen if the user actives the combo, arrows down, and then clicks off to blur)
-	        // So compare the current field value against the suggestions one last time.
-	        function checkBrandOnBlur() {
-	            var latest = _entityIDs.length === 1 && context.hasEntity(_entityIDs[0]);
-	            if (!latest) return;   // deleting the entity blurred the field?
-
-	            var preset = _mainPresetIndex.match(latest, context.graph());
-	            if (preset && preset.suggestion) return;   // already accepted
-
-	            // note: here we are testing against "decorated" names, i.e. 'Starbucks – Cafe'
-	            var name = utilGetSetValue(input).trim();
-	            var matched = allSuggestions.filter(function(s) { return name === s.name(); });
-
-	            if (matched.length === 1) {
-	                acceptBrand({ suggestion: matched[0] });
-	            } else {
-	                cancelBrand();
-	            }
-	        }
-
-
-	        function acceptBrand(d) {
-
-	            var entity = _entityIDs.length === 1 && context.hasEntity(_entityIDs[0]);
-
-	            if (!d || !entity) {
-	                cancelBrand();
-	                return;
-	            }
-
-	            var tags = entity.tags;
-	            var geometry = entity.geometry(context.graph());
-	            var removed = preset.unsetTags(tags, geometry);
-	            for (var k in tags) {
-	                tags[k] = removed[k];  // set removed tags to `undefined`
-	            }
-	            tags = d.suggestion.setTags(tags, geometry);
-	            utilGetSetValue(input, tags.name);
-	            dispatch$1.call('change', this, tags);
-	        }
-
-
-	        // user hit escape, clean whatever preset name appears after the last ' – '
-	        function cancelBrand() {
-	            var name = utilGetSetValue(input);
-	            var clean = cleanName(name);
-	            if (clean !== name) {
-	                utilGetSetValue(input, clean);
-	                dispatch$1.call('change', this, { name: clean });
-	            }
-	        }
-
-	        // Remove whatever is after the last ' – '
-	        // NOTE: split/join on en-dash, not a hypen (to avoid conflict with fr - nl names in Brussels etc)
-	        function cleanName(name) {
-	            var parts = name.split(' – ');
-	            if (parts.length > 1) {
-	                parts.pop();
-	                name = parts.join(' – ');
-	            }
-	            return name;
-	        }
-
-
-	        function fetchBrandNames(preset, suggestions) {
-	            var pTag = preset.id.split('/', 2);
-	            var pKey = pTag[0];
-	            var pValue = pTag[1];
-
-	            return function(value, callback) {
-	                var results = [];
-	                if (value && value.length > 2) {
-	                    for (var i = 0; i < suggestions.length; i++) {
-	                        var s = suggestions[i];
-
-	                        // don't suggest brands from incompatible countries
-	                        if (_countryCode && s.countryCodes &&
-	                            s.countryCodes.indexOf(_countryCode) === -1) continue;
-
-	                        var sTag = s.id.split('/', 2);
-	                        var sKey = sTag[0];
-	                        var sValue = sTag[1];
-	                        var name = s.name();
-	                        var dist = utilEditDistance(value, name.substring(0, value.length));
-	                        var matchesPreset = (pKey === sKey && (!pValue || pValue === sValue));
-
-	                        if (dist < 1 || (matchesPreset && dist < 3)) {
-	                            var obj = {
-	                                title: name,
-	                                value: name,
-	                                suggestion: s,
-	                                dist: dist + (matchesPreset ? 0 : 1)  // penalize if not matched preset
-	                            };
-	                            results.push(obj);
-	                        }
-	                    }
-	                    results.sort(function(a, b) { return a.dist - b.dist; });
-	                }
-	                results = results.slice(0, 10);
-	                callback(results);
-	            };
-	        }
-
-
-	        function addNew() {
-	            event.preventDefault();
-	            if (field.locked()) return;
-
-	            var defaultLang = _mainLocalizer.languageCode().toLowerCase();
-	            var langExists = _multilingual.find(function(datum) { return datum.lang === defaultLang; });
-	            var isLangEn = defaultLang.indexOf('en') > -1;
-	            if (isLangEn || langExists) {
-	                defaultLang = '';
-	                langExists = _multilingual.find(function(datum) { return datum.lang === defaultLang; });
-	            }
-
-	            if (!langExists) {
-	                // prepend the value so it appears at the top
-	                _multilingual.unshift({ lang: defaultLang, value: '' });
-
-	                localizedInputs
-	                    .call(renderMultilingual);
-	            }
-	        }
-
-
-	        function change(onInput) {
-	            return function() {
-	                if (field.locked()) {
-	                    event.preventDefault();
-	                    return;
-	                }
-
-	                var val = utilGetSetValue(select(this));
-	                if (!onInput) val = context.cleanTagValue(val);
-
-	                // don't override multiple values with blank string
-	                if (!val && Array.isArray(_tags[field.key])) return;
-
-	                var t = {};
-
-	                t[field.key] = val || undefined;
-	                dispatch$1.call('change', this, t, onInput);
-	            };
-	        }
-	    }
-
-
-	    function key(lang) {
-	        return field.key + ':' + lang;
-	    }
-
-
-	    function changeLang(d) {
-	        var tags = {};
-
-	        // make sure unrecognized suffixes are lowercase - #7156
-	        var lang = utilGetSetValue(select(this)).toLowerCase();
-
-	        var language = _languagesArray.find(function(d) {
-	            return d.label.toLowerCase() === lang ||
-	                (d.localName && d.localName.toLowerCase() === lang) ||
-	                (d.nativeName && d.nativeName.toLowerCase() === lang);
-	        });
-	        if (language) lang = language.code;
-
-	        if (d.lang && d.lang !== lang) {
-	            tags[key(d.lang)] = undefined;
-	        }
-
-	        var newKey = lang && context.cleanTagKey(key(lang));
-
-	        var value = utilGetSetValue(select(this.parentNode).selectAll('.localized-value'));
-
-	        if (newKey && value) {
-	            tags[newKey] = value;
-	        } else if (newKey && _wikiTitles && _wikiTitles[d.lang]) {
-	            tags[newKey] = _wikiTitles[d.lang];
-	        }
-
-	        d.lang = lang;
-	        dispatch$1.call('change', this, tags);
-	    }
-
-
-	    function changeValue(d) {
-	        if (!d.lang) return;
-	        var value = context.cleanTagValue(utilGetSetValue(select(this))) || undefined;
-
-	        // don't override multiple values with blank string
-	        if (!value && Array.isArray(d.value)) return;
-
-	        var t = {};
-	        t[key(d.lang)] = value;
-	        d.value = value;
-	        dispatch$1.call('change', this, t);
-	    }
-
-
-	    function fetchLanguages(value, cb) {
-	        var v = value.toLowerCase();
-
-	        // show the user's language first
-	        var langCodes = [_mainLocalizer.localeCode(), _mainLocalizer.languageCode()];
-
-	        if (_countryCode && _territoryLanguages[_countryCode]) {
-	            langCodes = langCodes.concat(_territoryLanguages[_countryCode]);
-	        }
-
-	        var langItems = [];
-	        langCodes.forEach(function(code) {
-	            var langItem = _languagesArray.find(function(item) {
-	                return item.code === code;
-	            });
-	            if (langItem) langItems.push(langItem);
-	        });
-	        langItems = utilArrayUniq(langItems.concat(_languagesArray));
-
-	        cb(langItems.filter(function(d) {
-	            return d.label.toLowerCase().indexOf(v) >= 0 ||
-	                (d.localName && d.localName.toLowerCase().indexOf(v) >= 0) ||
-	                (d.nativeName && d.nativeName.toLowerCase().indexOf(v) >= 0) ||
-	                d.code.toLowerCase().indexOf(v) >= 0;
-	        }).map(function(d) {
-	            return { value: d.label };
-	        }));
-	    }
-
-
-	    function renderMultilingual(selection) {
-	        var entries = selection.selectAll('div.entry')
-	            .data(_multilingual, function(d) { return d.lang; });
-
-	        entries.exit()
-	            .style('top', '0')
-	            .style('max-height', '240px')
-	            .transition()
-	            .duration(200)
-	            .style('opacity', '0')
-	            .style('max-height', '0px')
-	            .remove();
-
-	        var entriesEnter = entries.enter()
-	            .append('div')
-	            .attr('class', 'entry')
-	            .each(function(_, index) {
-	                var wrap = select(this);
-
-	                var domId = utilUniqueDomId(index);
-
-	                var label = wrap
-	                    .append('label')
-	                    .attr('class', 'field-label')
-	                    .attr('for', domId);
-
-	                var text = label
-	                    .append('span')
-	                    .attr('class', 'label-text');
-
-	                text
-	                    .append('span')
-	                    .attr('class', 'label-textvalue')
-	                    .text(_t('translate.localized_translation_label'));
-
-	                text
-	                    .append('span')
-	                    .attr('class', 'label-textannotation');
-
-	                label
-	                    .append('button')
-	                    .attr('class', 'remove-icon-multilingual')
-	                    .on('click', function(d, index) {
-	                        if (field.locked()) return;
-	                        event.preventDefault();
-
-	                        if (!d.lang || !d.value) {
-	                            _multilingual.splice(index, 1);
-	                            renderMultilingual(selection);
-	                        } else {
-	                            // remove from entity tags
-	                            var t = {};
-	                            t[key(d.lang)] = undefined;
-	                            dispatch$1.call('change', this, t);
-	                        }
-
-	                    })
-	                    .call(svgIcon('#iD-operation-delete'));
-
-	                wrap
-	                    .append('input')
-	                    .attr('class', 'localized-lang')
-	                    .attr('id', domId)
-	                    .attr('type', 'text')
-	                    .attr('placeholder', _t('translate.localized_translation_language'))
-	                    .on('blur', changeLang)
-	                    .on('change', changeLang)
-	                    .call(langCombo);
-
-	                wrap
-	                    .append('input')
-	                    .attr('type', 'text')
-	                    .attr('class', 'localized-value')
-	                    .on('blur', changeValue)
-	                    .on('change', changeValue);
-	            });
-
-	        entriesEnter
-	            .style('margin-top', '0px')
-	            .style('max-height', '0px')
-	            .style('opacity', '0')
-	            .transition()
-	            .duration(200)
-	            .style('margin-top', '10px')
-	            .style('max-height', '240px')
-	            .style('opacity', '1')
-	            .on('end', function() {
-	                select(this)
-	                    .style('max-height', '')
-	                    .style('overflow', 'visible');
-	            });
-
-	        entries = entries.merge(entriesEnter);
-
-	        entries.order();
-
-	        entries.classed('present', function(d) {
-	            return d.lang && d.value;
-	        });
-
-	        utilGetSetValue(entries.select('.localized-lang'), function(d) {
-	            return _mainLocalizer.languageName(d.lang);
-	        });
-
-	        utilGetSetValue(entries.select('.localized-value'), function(d) {
-	                return typeof d.value === 'string' ? d.value : '';
-	            })
-	            .attr('title', function(d) {
-	                return Array.isArray(d.value) ? d.value.filter(Boolean).join('\n') : null;
-	            })
-	            .attr('placeholder', function(d) {
-	                return Array.isArray(d.value) ? _t('inspector.multiple_values') : _t('translate.localized_translation_name');
-	            })
-	            .classed('mixed', function(d) {
-	                return Array.isArray(d.value);
-	            });
-	    }
-
-
-	    localized.tags = function(tags) {
-	        _tags = tags;
-
-	        // Fetch translations from wikipedia
-	        if (typeof tags.wikipedia === 'string' && !_wikiTitles) {
-	            _wikiTitles = {};
-	            var wm = tags.wikipedia.match(/([^:]+):(.+)/);
-	            if (wm && wm[0] && wm[1]) {
-	                wikipedia.translations(wm[1], wm[2], function(err, d) {
-	                    if (err || !d) return;
-	                    _wikiTitles = d;
-	                });
-	            }
-	        }
-
-	        var isMixed = Array.isArray(tags[field.key]);
-
-	        utilGetSetValue(input, typeof tags[field.key] === 'string' ? tags[field.key] : '')
-	            .attr('title', isMixed ? tags[field.key].filter(Boolean).join('\n') : undefined)
-	            .attr('placeholder', isMixed ? _t('inspector.multiple_values') : field.placeholder())
-	            .classed('mixed', isMixed);
-
-	        calcMultilingual(tags);
-
-	        _selection
-	            .call(localized);
-	    };
-
-
-	    localized.focus = function() {
-	        input.node().focus();
-	    };
-
-
-	    localized.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        _multilingual = [];
-	        loadCountryCode();
-	        return localized;
-	    };
-
-	    function loadCountryCode() {
-	        var extent = combinedEntityExtent();
-	        var countryCode = extent && iso1A2Code(extent.center());
-	        _countryCode = countryCode && countryCode.toLowerCase();
-	    }
-
-	    function combinedEntityExtent() {
-	        return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
-	    }
-
-	    return utilRebind(localized, dispatch$1, 'on');
-	}
-
-	function uiFieldMaxspeed(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var unitInput = select(null);
-	    var input = select(null);
-	    var _entityIDs = [];
-	    var _tags;
-	    var _isImperial;
-
-	    var speedCombo = uiCombobox(context, 'maxspeed');
-	    var unitCombo = uiCombobox(context, 'maxspeed-unit')
-	            .data(['km/h', 'mph'].map(comboValues));
-
-	    var metricValues = [20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120];
-	    var imperialValues = [5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80];
-
-
-	    function maxspeed(selection) {
-
-	        var wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-
-	        input = wrap.selectAll('input.maxspeed-number')
-	            .data([0]);
-
-	        input = input.enter()
-	            .append('input')
-	            .attr('type', 'text')
-	            .attr('class', 'maxspeed-number')
-	            .attr('id', field.domId)
-	            .call(utilNoAuto)
-	            .call(speedCombo)
-	            .merge(input);
-
-	        input
-	            .on('change', change)
-	            .on('blur', change);
-
-	        var loc = combinedEntityExtent().center();
-	        _isImperial = roadSpeedUnit(loc) === 'mph';
-
-	        unitInput = wrap.selectAll('input.maxspeed-unit')
-	            .data([0]);
-
-	        unitInput = unitInput.enter()
-	            .append('input')
-	            .attr('type', 'text')
-	            .attr('class', 'maxspeed-unit')
-	            .call(unitCombo)
-	            .merge(unitInput);
-
-	        unitInput
-	            .on('blur', changeUnits)
-	            .on('change', changeUnits);
-
-
-	        function changeUnits() {
-	            _isImperial = utilGetSetValue(unitInput) === 'mph';
-	            utilGetSetValue(unitInput, _isImperial ? 'mph' : 'km/h');
-	            setUnitSuggestions();
-	            change();
-	        }
-	    }
-
-
-	    function setUnitSuggestions() {
-	        speedCombo.data((_isImperial ? imperialValues : metricValues).map(comboValues));
-	        utilGetSetValue(unitInput, _isImperial ? 'mph' : 'km/h');
-	    }
-
-
-	    function comboValues(d) {
-	        return {
-	            value: d.toString(),
-	            title: d.toString()
-	        };
-	    }
-
-
-	    function change() {
-	        var tag = {};
-	        var value = utilGetSetValue(input).trim();
-
-	        // don't override multiple values with blank string
-	        if (!value && Array.isArray(_tags[field.key])) return;
-
-	        if (!value) {
-	            tag[field.key] = undefined;
-	        } else if (isNaN(value) || !_isImperial) {
-	            tag[field.key] = context.cleanTagValue(value);
-	        } else {
-	            tag[field.key] = context.cleanTagValue(value + ' mph');
-	        }
-
-	        dispatch$1.call('change', this, tag);
-	    }
-
-
-	    maxspeed.tags = function(tags) {
-	        _tags = tags;
-
-	        var value = tags[field.key];
-	        var isMixed = Array.isArray(value);
-
-	        if (!isMixed) {
-	            if (value && value.indexOf('mph') >= 0) {
-	                value = parseInt(value, 10).toString();
-	                _isImperial = true;
-	            } else if (value) {
-	                _isImperial = false;
-	            }
-	        }
-
-	        setUnitSuggestions();
-
-	        utilGetSetValue(input, typeof value === 'string' ? value : '')
-	            .attr('title', isMixed ? value.filter(Boolean).join('\n') : null)
-	            .attr('placeholder', isMixed ? _t('inspector.multiple_values') : field.placeholder())
-	            .classed('mixed', isMixed);
-	    };
-
-
-	    maxspeed.focus = function() {
-	        input.node().focus();
-	    };
-
-
-	    maxspeed.entityIDs = function(val) {
-	        _entityIDs = val;
-	    };
-
-
-	    function combinedEntityExtent() {
-	        return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
-	    }
-
-
-	    return utilRebind(maxspeed, dispatch$1, 'on');
-	}
-
-	function uiFieldRadio(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var placeholder = select(null);
-	    var wrap = select(null);
-	    var labels = select(null);
-	    var radios = select(null);
-	    var radioData = (field.options || (field.strings && field.strings.options && Object.keys(field.strings.options)) || field.keys).slice();  // shallow copy
-	    var typeField;
-	    var layerField;
-	    var _oldType = {};
-	    var _entityIDs = [];
-
-
-	    function selectedKey() {
-	        var node = wrap.selectAll('.form-field-input-radio label.active input');
-	        return !node.empty() && node.datum();
-	    }
-
-
-	    function radio(selection) {
-	        selection.classed('preset-radio', true);
-
-	        wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        var enter = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-radio');
-
-	        enter
-	            .append('span')
-	            .attr('class', 'placeholder');
-
-	        wrap = wrap
-	            .merge(enter);
-
-
-	        placeholder = wrap.selectAll('.placeholder');
-
-	        labels = wrap.selectAll('label')
-	            .data(radioData);
-
-	        enter = labels.enter()
-	            .append('label');
-
-	        enter
-	            .append('input')
-	            .attr('type', 'radio')
-	            .attr('name', field.id)
-	            .attr('value', function(d) { return field.t('options.' + d, { 'default': d }); })
-	            .attr('checked', false);
-
-	        enter
-	            .append('span')
-	            .text(function(d) { return field.t('options.' + d, { 'default': d }); });
-
-	        labels = labels
-	            .merge(enter);
-
-	        radios = labels.selectAll('input')
-	            .on('change', changeRadio);
-
-	    }
-
-
-	    function structureExtras(selection, tags) {
-	        var selected = selectedKey() || tags.layer !== undefined;
-	        var type = _mainPresetIndex.field(selected);
-	        var layer = _mainPresetIndex.field('layer');
-	        var showLayer = (selected === 'bridge' || selected === 'tunnel' || tags.layer !== undefined);
-
-
-	        var extrasWrap = selection.selectAll('.structure-extras-wrap')
-	            .data(selected ? [0] : []);
-
-	        extrasWrap.exit()
-	            .remove();
-
-	        extrasWrap = extrasWrap.enter()
-	            .append('div')
-	            .attr('class', 'structure-extras-wrap')
-	            .merge(extrasWrap);
-
-	        var list = extrasWrap.selectAll('ul')
-	            .data([0]);
-
-	        list = list.enter()
-	            .append('ul')
-	            .attr('class', 'rows')
-	            .merge(list);
-
-
-	        // Type
-	        if (type) {
-	            if (!typeField || typeField.id !== selected) {
-	                typeField = uiField(context, type, _entityIDs, { wrap: false })
-	                    .on('change', changeType);
-	            }
-	            typeField.tags(tags);
-	        } else {
-	            typeField = null;
-	        }
-
-	        var typeItem = list.selectAll('.structure-type-item')
-	            .data(typeField ? [typeField] : [], function(d) { return d.id; });
-
-	        // Exit
-	        typeItem.exit()
-	            .remove();
-
-	        // Enter
-	        var typeEnter = typeItem.enter()
-	            .insert('li', ':first-child')
-	            .attr('class', 'labeled-input structure-type-item');
-
-	        typeEnter
-	            .append('span')
-	            .attr('class', 'label structure-label-type')
-	            .attr('for', 'preset-input-' + selected)
-	            .text(_t('inspector.radio.structure.type'));
-
-	        typeEnter
-	            .append('div')
-	            .attr('class', 'structure-input-type-wrap');
-
-	        // Update
-	        typeItem = typeItem
-	            .merge(typeEnter);
-
-	        if (typeField) {
-	            typeItem.selectAll('.structure-input-type-wrap')
-	                .call(typeField.render);
-	        }
-
-
-	        // Layer
-	        if (layer && showLayer) {
-	            if (!layerField) {
-	                layerField = uiField(context, layer, _entityIDs, { wrap: false })
-	                    .on('change', changeLayer);
-	            }
-	            layerField.tags(tags);
-	            field.keys = utilArrayUnion(field.keys, ['layer']);
-	        } else {
-	            layerField = null;
-	            field.keys = field.keys.filter(function(k) { return k !== 'layer'; });
-	        }
-
-	        var layerItem = list.selectAll('.structure-layer-item')
-	            .data(layerField ? [layerField] : []);
-
-	        // Exit
-	        layerItem.exit()
-	            .remove();
-
-	        // Enter
-	        var layerEnter = layerItem.enter()
-	            .append('li')
-	            .attr('class', 'labeled-input structure-layer-item');
-
-	        layerEnter
-	            .append('span')
-	            .attr('class', 'label structure-label-layer')
-	            .attr('for', 'preset-input-layer')
-	            .text(_t('inspector.radio.structure.layer'));
-
-	        layerEnter
-	            .append('div')
-	            .attr('class', 'structure-input-layer-wrap');
-
-	        // Update
-	        layerItem = layerItem
-	            .merge(layerEnter);
-
-	        if (layerField) {
-	            layerItem.selectAll('.structure-input-layer-wrap')
-	                .call(layerField.render);
-	        }
-	    }
-
-
-	    function changeType(t, onInput) {
-	        var key = selectedKey();
-	        if (!key) return;
-
-	        var val = t[key];
-	        if (val !== 'no') {
-	            _oldType[key] = val;
-	        }
-
-	        if (field.type === 'structureRadio') {
-	            // remove layer if it should not be set
-	            if (val === 'no' ||
-	                (key !== 'bridge' && key !== 'tunnel') ||
-	                (key === 'tunnel' && val === 'building_passage')) {
-	                t.layer = undefined;
-	            }
-	            // add layer if it should be set
-	            if (t.layer === undefined) {
-	                if (key === 'bridge' && val !== 'no') {
-	                    t.layer = '1';
-	                }
-	                if (key === 'tunnel' && val !== 'no' && val !== 'building_passage') {
-	                    t.layer = '-1';
-	                }
-	            }
-	         }
-
-	        dispatch$1.call('change', this, t, onInput);
-	    }
-
-
-	    function changeLayer(t, onInput) {
-	        if (t.layer === '0') {
-	            t.layer = undefined;
-	        }
-	        dispatch$1.call('change', this, t, onInput);
-	    }
-
-
-	    function changeRadio() {
-	        var t = {};
-	        var activeKey;
-
-	        if (field.key) {
-	            t[field.key] = undefined;
-	        }
-
-	        radios.each(function(d) {
-	            var active = select(this).property('checked');
-	            if (active) activeKey = d;
-
-	            if (field.key) {
-	                if (active) t[field.key] = d;
-	            } else {
-	                var val = _oldType[activeKey] || 'yes';
-	                t[d] = active ? val : undefined;
-	            }
-	        });
-
-	        if (field.type === 'structureRadio') {
-	            if (activeKey === 'bridge') {
-	                t.layer = '1';
-	            } else if (activeKey === 'tunnel' && t.tunnel !== 'building_passage') {
-	                t.layer = '-1';
-	            } else {
-	                t.layer = undefined;
-	            }
-	        }
-
-	        dispatch$1.call('change', this, t);
-	    }
-
-
-	    radio.tags = function(tags) {
-
-	        radios.property('checked', function(d) {
-	            if (field.key) {
-	                return tags[field.key] === d;
-	            }
-	            return !!(typeof tags[d] === 'string' && tags[d].toLowerCase() !== 'no');
-	        });
-
-	        function isMixed(d) {
-	            if (field.key) {
-	                return Array.isArray(tags[field.key]) && tags[field.key].includes(d);
-	            }
-	            return Array.isArray(tags[d]);
-	        }
-
-	        labels
-	            .classed('active', function(d) {
-	                if (field.key) {
-	                    return (Array.isArray(tags[field.key]) && tags[field.key].includes(d))
-	                        || tags[field.key] === d;
-	                }
-	                return Array.isArray(tags[d]) || !!(tags[d] && tags[d].toLowerCase() !== 'no');
-	            })
-	            .classed('mixed', isMixed)
-	            .attr('title', function(d) {
-	                return isMixed(d) ? _t('inspector.unshared_value_tooltip') : null;
-	            });
-
-
-	        var selection = radios.filter(function() { return this.checked; });
-
-	        if (selection.empty()) {
-	            placeholder.text(_t('inspector.none'));
-	        } else {
-	            placeholder.text(selection.attr('value'));
-	            _oldType[selection.datum()] = tags[selection.datum()];
-	        }
-
-	        if (field.type === 'structureRadio') {
-	            // For waterways without a tunnel tag, set 'culvert' as
-	            // the _oldType to default to if the user picks 'tunnel'
-	            if (!!tags.waterway && !_oldType.tunnel) {
-	                _oldType.tunnel = 'culvert';
-	            }
-
-	            wrap.call(structureExtras, tags);
-	        }
-	    };
-
-
-	    radio.focus = function() {
-	        radios.node().focus();
-	    };
-
-
-	    radio.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        _oldType = {};
-	        return radio;
-	    };
-
-
-	    radio.isAllowed = function() {
-	        return _entityIDs.length === 1;
-	    };
-
-
-	    return utilRebind(radio, dispatch$1, 'on');
-	}
-
-	function uiFieldRestrictions(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var breathe = behaviorBreathe();
-
-	    corePreferences('turn-restriction-via-way', null);                 // remove old key
-	    var storedViaWay = corePreferences('turn-restriction-via-way0');   // use new key #6922
-	    var storedDistance = corePreferences('turn-restriction-distance');
-
-	    var _maxViaWay = storedViaWay !== null ? (+storedViaWay) : 0;
-	    var _maxDistance = storedDistance ? (+storedDistance) : 30;
-	    var _initialized = false;
-	    var _parent = select(null);       // the entire field
-	    var _container = select(null);    // just the map
-	    var _oldTurns;
-	    var _graph;
-	    var _vertexID;
-	    var _intersection;
-	    var _fromWayID;
-
-	    var _lastXPos;
-
-
-	    function restrictions(selection) {
-	        _parent = selection;
-
-	        // try to reuse the intersection, but always rebuild it if the graph has changed
-	        if (_vertexID && (context.graph() !== _graph || !_intersection)) {
-	            _graph = context.graph();
-	            _intersection = osmIntersection(_graph, _vertexID, _maxDistance);
-	        }
-
-	        // It's possible for there to be no actual intersection here.
-	        // for example, a vertex of two `highway=path`
-	        // In this case, hide the field.
-	        var isOK = (
-	            _intersection &&
-	            _intersection.vertices.length &&           // has vertices
-	            _intersection.vertices                     // has the vertex that the user selected
-	                .filter(function(vertex) { return vertex.id === _vertexID; }).length &&
-	            _intersection.ways.length > 2 &&           // has more than 2 ways
-	            _intersection.ways                         // has more than 1 TO way
-	                .filter(function(way) { return way.__to; }).length > 1
-	        );
-
-	        // Also hide in the case where
-	        select(selection.node().parentNode).classed('hide', !isOK);
-
-	        // if form field is hidden or has detached from dom, clean up.
-	        if (!isOK ||
-	            !context.container().select('.inspector-wrap.inspector-hidden').empty() ||
-	            !selection.node().parentNode ||
-	            !selection.node().parentNode.parentNode) {
-	            selection.call(restrictions.off);
-	            return;
-	        }
-
-
-	        var wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-	        var container = wrap.selectAll('.restriction-container')
-	            .data([0]);
-
-	        // enter
-	        var containerEnter = container.enter()
-	            .append('div')
-	            .attr('class', 'restriction-container');
-
-	        containerEnter
-	            .append('div')
-	            .attr('class', 'restriction-help');
-
-	        // update
-	        _container = containerEnter
-	            .merge(container)
-	            .call(renderViewer);
-
-	        var controls = wrap.selectAll('.restriction-controls')
-	            .data([0]);
-
-	        // enter/update
-	        controls.enter()
-	            .append('div')
-	            .attr('class', 'restriction-controls-container')
-	            .append('div')
-	            .attr('class', 'restriction-controls')
-	            .merge(controls)
-	            .call(renderControls);
-	    }
-
-
-	    function renderControls(selection) {
-	        var distControl = selection.selectAll('.restriction-distance')
-	            .data([0]);
-
-	        distControl.exit()
-	            .remove();
-
-	        var distControlEnter = distControl.enter()
-	            .append('div')
-	            .attr('class', 'restriction-control restriction-distance');
-
-	        distControlEnter
-	            .append('span')
-	            .attr('class', 'restriction-control-label restriction-distance-label')
-	            .text(_t('restriction.controls.distance') + ':');
-
-	        distControlEnter
-	            .append('input')
-	            .attr('class', 'restriction-distance-input')
-	            .attr('type', 'range')
-	            .attr('min', '20')
-	            .attr('max', '50')
-	            .attr('step', '5');
-
-	        distControlEnter
-	            .append('span')
-	            .attr('class', 'restriction-distance-text');
-
-	        // update
-	        selection.selectAll('.restriction-distance-input')
-	            .property('value', _maxDistance)
-	            .on('input', function() {
-	                var val = select(this).property('value');
-	                _maxDistance = +val;
-	                _intersection = null;
-	                _container.selectAll('.layer-osm .layer-turns *').remove();
-	                corePreferences('turn-restriction-distance', _maxDistance);
-	                _parent.call(restrictions);
-	            });
-
-	        selection.selectAll('.restriction-distance-text')
-	            .text(displayMaxDistance(_maxDistance));
-
-
-	        var viaControl = selection.selectAll('.restriction-via-way')
-	            .data([0]);
-
-	        viaControl.exit()
-	            .remove();
-
-	        var viaControlEnter = viaControl.enter()
-	            .append('div')
-	            .attr('class', 'restriction-control restriction-via-way');
-
-	        viaControlEnter
-	            .append('span')
-	            .attr('class', 'restriction-control-label restriction-via-way-label')
-	            .text(_t('restriction.controls.via') + ':');
-
-	        viaControlEnter
-	            .append('input')
-	            .attr('class', 'restriction-via-way-input')
-	            .attr('type', 'range')
-	            .attr('min', '0')
-	            .attr('max', '2')
-	            .attr('step', '1');
-
-	        viaControlEnter
-	            .append('span')
-	            .attr('class', 'restriction-via-way-text');
-
-	        // update
-	        selection.selectAll('.restriction-via-way-input')
-	            .property('value', _maxViaWay)
-	            .on('input', function() {
-	                var val = select(this).property('value');
-	                _maxViaWay = +val;
-	                _container.selectAll('.layer-osm .layer-turns *').remove();
-	                corePreferences('turn-restriction-via-way0', _maxViaWay);
-	                _parent.call(restrictions);
-	            });
-
-	        selection.selectAll('.restriction-via-way-text')
-	            .text(displayMaxVia(_maxViaWay));
-	    }
-
-
-	    function renderViewer(selection) {
-	        if (!_intersection) return;
-
-	        var vgraph = _intersection.graph;
-	        var filter = utilFunctor(true);
-	        var projection = geoRawMercator();
-
-	        // Reflow warning: `utilGetDimensions` calls `getBoundingClientRect`
-	        // Instead of asking the restriction-container for its dimensions,
-	        //  we can ask the .sidebar, which can have its dimensions cached.
-	        // width: calc as sidebar - padding
-	        // height: hardcoded (from `80_app.css`)
-	        // var d = utilGetDimensions(selection);
-	        var sdims = utilGetDimensions(context.container().select('.sidebar'));
-	        var d = [ sdims[0] - 50, 370 ];
-	        var c = geoVecScale(d, 0.5);
-	        var z = 22;
-
-	        projection.scale(geoZoomToScale(z));
-
-	        // Calculate extent of all key vertices
-	        var extent = geoExtent();
-	        for (var i = 0; i < _intersection.vertices.length; i++) {
-	            extent._extend(_intersection.vertices[i].extent());
-	        }
-
-	        // If this is a large intersection, adjust zoom to fit extent
-	        if (_intersection.vertices.length > 1) {
-	            var padding = 180;   // in z22 pixels
-	            var tl = projection([extent[0][0], extent[1][1]]);
-	            var br = projection([extent[1][0], extent[0][1]]);
-	            var hFactor = (br[0] - tl[0]) / (d[0] - padding);
-	            var vFactor = (br[1] - tl[1]) / (d[1] - padding);
-	            var hZoomDiff = Math.log(Math.abs(hFactor)) / Math.LN2;
-	            var vZoomDiff = Math.log(Math.abs(vFactor)) / Math.LN2;
-	            z = z - Math.max(hZoomDiff, vZoomDiff);
-	            projection.scale(geoZoomToScale(z));
-	        }
-
-	        var padTop = 35;   // reserve top space for hint text
-	        var extentCenter = projection(extent.center());
-	        extentCenter[1] = extentCenter[1] - padTop;
-
-	        projection
-	            .translate(geoVecSubtract(c, extentCenter))
-	            .clipExtent([[0, 0], d]);
-
-	        var drawLayers = svgLayers(projection, context).only(['osm','touch']).dimensions(d);
-	        var drawVertices = svgVertices(projection, context);
-	        var drawLines = svgLines(projection, context);
-	        var drawTurns = svgTurns(projection, context);
-
-	        var firstTime = selection.selectAll('.surface').empty();
-
-	        selection
-	            .call(drawLayers);
-
-	        var surface = selection.selectAll('.surface')
-	            .classed('tr', true);
-
-	        if (firstTime) {
-	            _initialized = true;
-
-	            surface
-	                .call(breathe);
-	        }
-
-	        // This can happen if we've lowered the detail while a FROM way
-	        // is selected, and that way is no longer part of the intersection.
-	        if (_fromWayID && !vgraph.hasEntity(_fromWayID)) {
-	            _fromWayID = null;
-	            _oldTurns = null;
-	        }
-
-	        surface
-	            .call(utilSetDimensions, d)
-	            .call(drawVertices, vgraph, _intersection.vertices, filter, extent, z)
-	            .call(drawLines, vgraph, _intersection.ways, filter)
-	            .call(drawTurns, vgraph, _intersection.turns(_fromWayID, _maxViaWay));
-
-	        surface
-	            .on('click.restrictions', click)
-	            .on('mouseover.restrictions', mouseover);
-
-	        surface
-	            .selectAll('.selected')
-	            .classed('selected', false);
-
-	        surface
-	            .selectAll('.related')
-	            .classed('related', false);
-
-	        if (_fromWayID) {
-	            var way = vgraph.entity(_fromWayID);
-	            surface
-	                .selectAll('.' + _fromWayID)
-	                .classed('selected', true)
-	                .classed('related', true);
-	        }
-
-	        document.addEventListener('resizeWindow', function () {
-	            utilSetDimensions(_container, null);
-	            redraw(1);
-	        }, false);
-
-	        updateHints(null);
-
-
-	        function click() {
-	            surface
-	                .call(breathe.off)
-	                .call(breathe);
-
-	            var datum = event.target.__data__;
-	            var entity = datum && datum.properties && datum.properties.entity;
-	            if (entity) {
-	                datum = entity;
-	            }
-
-	            if (datum instanceof osmWay && (datum.__from || datum.__via)) {
-	                _fromWayID = datum.id;
-	                _oldTurns = null;
-	                redraw();
-
-	            } else if (datum instanceof osmTurn) {
-	                var actions, extraActions, turns, i;
-	                var restrictionType = osmInferRestriction(vgraph, datum, projection);
-
-	                if (datum.restrictionID && !datum.direct) {
-	                    return;
-
-	                } else if (datum.restrictionID && !datum.only) {    // NO -> ONLY
-	                    var seen = {};
-	                    var datumOnly = JSON.parse(JSON.stringify(datum));   // deep clone the datum
-	                    datumOnly.only = true;                               // but change this property
-	                    restrictionType = restrictionType.replace(/^no/, 'only');
-
-	                    // Adding an ONLY restriction should destroy all other direct restrictions from the FROM towards the VIA.
-	                    // We will remember them in _oldTurns, and restore them if the user clicks again.
-	                    turns = _intersection.turns(_fromWayID, 2);
-	                    extraActions = [];
-	                    _oldTurns = [];
-	                    for (i = 0; i < turns.length; i++) {
-	                        var turn = turns[i];
-	                        if (seen[turn.restrictionID]) continue;  // avoid deleting the turn twice (#4968, #4928)
-
-	                        if (turn.direct && turn.path[1] === datum.path[1]) {
-	                            seen[turns[i].restrictionID] = true;
-	                            turn.restrictionType = osmInferRestriction(vgraph, turn, projection);
-	                            _oldTurns.push(turn);
-	                            extraActions.push(actionUnrestrictTurn(turn));
-	                        }
-	                    }
-
-	                    actions = _intersection.actions.concat(extraActions, [
-	                        actionRestrictTurn(datumOnly, restrictionType),
-	                        _t('operations.restriction.annotation.create')
-	                    ]);
-
-	                } else if (datum.restrictionID) {   // ONLY -> Allowed
-	                    // Restore whatever restrictions we might have destroyed by cycling thru the ONLY state.
-	                    // This relies on the assumption that the intersection was already split up when we
-	                    // performed the previous action (NO -> ONLY), so the IDs in _oldTurns shouldn't have changed.
-	                    turns = _oldTurns || [];
-	                    extraActions = [];
-	                    for (i = 0; i < turns.length; i++) {
-	                        if (turns[i].key !== datum.key) {
-	                            extraActions.push(actionRestrictTurn(turns[i], turns[i].restrictionType));
-	                        }
-	                    }
-	                    _oldTurns = null;
-
-	                    actions = _intersection.actions.concat(extraActions, [
-	                        actionUnrestrictTurn(datum),
-	                        _t('operations.restriction.annotation.delete')
-	                    ]);
-
-	                } else {    // Allowed -> NO
-	                    actions = _intersection.actions.concat([
-	                        actionRestrictTurn(datum, restrictionType),
-	                        _t('operations.restriction.annotation.create')
-	                    ]);
-	                }
-
-	                context.perform.apply(context, actions);
-
-	                // At this point the datum will be changed, but will have same key..
-	                // Refresh it and update the help..
-	                var s = surface.selectAll('.' + datum.key);
-	                datum = s.empty() ? null : s.datum();
-	                updateHints(datum);
-
-	            } else {
-	                _fromWayID = null;
-	                _oldTurns = null;
-	                redraw();
-	            }
-	        }
-
-
-	        function mouseover() {
-	            var datum = event.target.__data__;
-	            updateHints(datum);
-	        }
-
-	        _lastXPos = _lastXPos || sdims[0];
-
-	        function redraw(minChange) {
-	            var xPos = -1;
-
-	            if (minChange) {
-	                xPos = utilGetDimensions(context.container().select('.sidebar'))[0];
-	            }
-
-	            if (!minChange || (minChange && Math.abs(xPos - _lastXPos) >= minChange)) {
-	                if (context.hasEntity(_vertexID)) {
-	                    _lastXPos = xPos;
-	                    _container.call(renderViewer);
-	                }
-	            }
-	        }
-
-
-	        function highlightPathsFrom(wayID) {
-	            surface.selectAll('.related')
-	                .classed('related', false)
-	                .classed('allow', false)
-	                .classed('restrict', false)
-	                .classed('only', false);
-
-	            surface.selectAll('.' + wayID)
-	                .classed('related', true);
-
-	            if (wayID) {
-	                var turns = _intersection.turns(wayID, _maxViaWay);
-	                for (var i = 0; i < turns.length; i++) {
-	                    var turn = turns[i];
-	                    var ids = [turn.to.way];
-	                    var klass = (turn.no ? 'restrict' : (turn.only ? 'only' : 'allow'));
-
-	                    if (turn.only || turns.length === 1) {
-	                        if (turn.via.ways) {
-	                            ids = ids.concat(turn.via.ways);
-	                        }
-	                    } else if (turn.to.way === wayID) {
-	                        continue;
-	                    }
-
-	                    surface.selectAll(utilEntitySelector(ids))
-	                        .classed('related', true)
-	                        .classed('allow', (klass === 'allow'))
-	                        .classed('restrict', (klass === 'restrict'))
-	                        .classed('only', (klass === 'only'));
-	                }
-	            }
-	        }
-
-
-	        function updateHints(datum) {
-	            var help = _container.selectAll('.restriction-help').html('');
-
-	            var placeholders = {};
-	            ['from', 'via', 'to'].forEach(function(k) {
-	                placeholders[k] = '<span class="qualifier">' + _t('restriction.help.' + k) + '</span>';
-	            });
-
-	            var entity = datum && datum.properties && datum.properties.entity;
-	            if (entity) {
-	                datum = entity;
-	            }
-
-	            if (_fromWayID) {
-	                way = vgraph.entity(_fromWayID);
-	                surface
-	                    .selectAll('.' + _fromWayID)
-	                    .classed('selected', true)
-	                    .classed('related', true);
-	            }
-
-	            // Hovering a way
-	            if (datum instanceof osmWay && datum.__from) {
-	                way = datum;
-
-	                highlightPathsFrom(_fromWayID ? null : way.id);
-	                surface.selectAll('.' + way.id)
-	                    .classed('related', true);
-
-	                var clickSelect = (!_fromWayID || _fromWayID !== way.id);
-	                help
-	                    .append('div')      // "Click to select FROM {fromName}." / "FROM {fromName}"
-	                    .html(_t('restriction.help.' + (clickSelect ? 'select_from_name' : 'from_name'), {
-	                        from: placeholders.from,
-	                        fromName: displayName(way.id, vgraph)
-	                    }));
-
-
-	            // Hovering a turn arrow
-	            } else if (datum instanceof osmTurn) {
-	                var restrictionType = osmInferRestriction(vgraph, datum, projection);
-	                var turnType = restrictionType.replace(/^(only|no)\_/, '');
-	                var indirect = (datum.direct === false ? _t('restriction.help.indirect') : '');
-	                var klass, turnText, nextText;
-
-	                if (datum.no) {
-	                    klass = 'restrict';
-	                    turnText = _t('restriction.help.turn.no_' + turnType, { indirect: indirect });
-	                    nextText = _t('restriction.help.turn.only_' + turnType, { indirect: '' });
-	                } else if (datum.only) {
-	                    klass = 'only';
-	                    turnText = _t('restriction.help.turn.only_' + turnType, { indirect: indirect });
-	                    nextText = _t('restriction.help.turn.allowed_' + turnType, { indirect: '' });
-	                } else {
-	                    klass = 'allow';
-	                    turnText = _t('restriction.help.turn.allowed_' + turnType, { indirect: indirect });
-	                    nextText = _t('restriction.help.turn.no_' + turnType, { indirect: '' });
-	                }
-
-	                help
-	                    .append('div')      // "NO Right Turn (indirect)"
-	                    .attr('class', 'qualifier ' + klass)
-	                    .text(turnText);
-
-	                help
-	                    .append('div')      // "FROM {fromName} TO {toName}"
-	                    .html(_t('restriction.help.from_name_to_name', {
-	                        from: placeholders.from,
-	                        fromName: displayName(datum.from.way, vgraph),
-	                        to: placeholders.to,
-	                        toName: displayName(datum.to.way, vgraph)
-	                    }));
-
-	                if (datum.via.ways && datum.via.ways.length) {
-	                    var names = [];
-	                    for (var i = 0; i < datum.via.ways.length; i++) {
-	                        var prev = names[names.length - 1];
-	                        var curr = displayName(datum.via.ways[i], vgraph);
-	                        if (!prev || curr !== prev)   // collapse identical names
-	                            names.push(curr);
-	                    }
-
-	                    help
-	                        .append('div')      // "VIA {viaNames}"
-	                        .html(_t('restriction.help.via_names', {
-	                            via: placeholders.via,
-	                            viaNames: names.join(', ')
-	                        }));
-	                }
-
-	                if (!indirect) {
-	                    help
-	                        .append('div')      // Click for "No Right Turn"
-	                        .text(_t('restriction.help.toggle', { turn: nextText.trim() }));
-	                }
-
-	                highlightPathsFrom(null);
-	                var alongIDs = datum.path.slice();
-	                surface.selectAll(utilEntitySelector(alongIDs))
-	                    .classed('related', true)
-	                    .classed('allow', (klass === 'allow'))
-	                    .classed('restrict', (klass === 'restrict'))
-	                    .classed('only', (klass === 'only'));
-
-
-	            // Hovering empty surface
-	            } else {
-	                highlightPathsFrom(null);
-	                if (_fromWayID) {
-	                    help
-	                        .append('div')      // "FROM {fromName}"
-	                        .html(_t('restriction.help.from_name', {
-	                            from: placeholders.from,
-	                            fromName: displayName(_fromWayID, vgraph)
-	                        }));
-
-	                } else {
-	                    help
-	                        .append('div')      // "Click to select a FROM segment."
-	                        .html(_t('restriction.help.select_from', {
-	                            from: placeholders.from
-	                        }));
-	                }
-	            }
-	        }
-	    }
-
-
-	    function displayMaxDistance(maxDist) {
-	        var isImperial = !_mainLocalizer.usesMetric();
-	        var opts;
-
-	        if (isImperial) {
-	            var distToFeet = {   // imprecise conversion for prettier display
-	                20: 70, 25: 85, 30: 100, 35: 115, 40: 130, 45: 145, 50: 160
-	            }[maxDist];
-	            opts = { distance: _t('units.feet', { quantity: distToFeet }) };
-	        } else {
-	            opts = { distance: _t('units.meters', { quantity: maxDist }) };
-	        }
-
-	        return _t('restriction.controls.distance_up_to', opts);
-	    }
-
-
-	    function displayMaxVia(maxVia) {
-	        return maxVia === 0 ? _t('restriction.controls.via_node_only')
-	            : maxVia === 1 ? _t('restriction.controls.via_up_to_one')
-	            : _t('restriction.controls.via_up_to_two');
-	    }
-
-
-	    function displayName(entityID, graph) {
-	        var entity = graph.entity(entityID);
-	        var name = utilDisplayName(entity) || '';
-	        var matched = _mainPresetIndex.match(entity, graph);
-	        var type = (matched && matched.name()) || utilDisplayType(entity.id);
-	        return name || type;
-	    }
-
-
-	    restrictions.entityIDs = function(val) {
-	        _intersection = null;
-	        _fromWayID = null;
-	        _oldTurns = null;
-	        _vertexID = val[0];
-	    };
-
-
-	    restrictions.tags = function() {};
-	    restrictions.focus = function() {};
-
-
-	    restrictions.off = function(selection) {
-	        if (!_initialized) return;
-
-	        selection.selectAll('.surface')
-	            .call(breathe.off)
-	            .on('click.restrictions', null)
-	            .on('mouseover.restrictions', null);
-
-	        select(window)
-	            .on('resize.restrictions', null);
-	    };
-
-
-	    return utilRebind(restrictions, dispatch$1, 'on');
-	}
-
-	uiFieldRestrictions.supportsMultiselection = false;
-
-	function uiFieldTextarea(field, context) {
-	    var dispatch$1 = dispatch('change');
-	    var input = select(null);
-	    var _tags;
-
-
-	    function textarea(selection) {
-	        var wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-	        input = wrap.selectAll('textarea')
-	            .data([0]);
-
-	        input = input.enter()
-	            .append('textarea')
-	            .attr('id', field.domId)
-	            .call(utilNoAuto)
-	            .on('input', change(true))
-	            .on('blur', change())
-	            .on('change', change())
-	            .merge(input);
-	    }
-
-
-	    function change(onInput) {
-	        return function() {
-
-	            var val = utilGetSetValue(input);
-	            if (!onInput) val = context.cleanTagValue(val);
-
-	            // don't override multiple values with blank string
-	            if (!val && Array.isArray(_tags[field.key])) return;
-
-	            var t = {};
-	            t[field.key] = val || undefined;
-	            dispatch$1.call('change', this, t, onInput);
-	        };
-	    }
-
-
-	    textarea.tags = function(tags) {
-	        _tags = tags;
-
-	        var isMixed = Array.isArray(tags[field.key]);
-
-	        utilGetSetValue(input, !isMixed && tags[field.key] ? tags[field.key] : '')
-	            .attr('title', isMixed ? tags[field.key].filter(Boolean).join('\n') : undefined)
-	            .attr('placeholder', isMixed ? _t('inspector.multiple_values') : (field.placeholder() || _t('inspector.unknown')))
-	            .classed('mixed', isMixed);
-	    };
-
-
-	    textarea.focus = function() {
-	        input.node().focus();
-	    };
-
-
-	    return utilRebind(textarea, dispatch$1, 'on');
-	}
-
-	function uiFieldWikidata(field, context) {
-	    var wikidata = services.wikidata;
-	    var dispatch$1 = dispatch('change');
-
-	    var _selection = select(null);
-	    var _searchInput = select(null);
-	    var _qid = null;
-	    var _wikidataEntity = null;
-	    var _wikiURL = '';
-	    var _entityIDs = [];
-
-	    var _wikipediaKey = field.keys && field.keys.find(function(key) {
-	            return key.includes('wikipedia');
-	        }),
-	        _hintKey = field.key === 'wikidata' ? 'name' : field.key.split(':')[0];
-
-	    var combobox = uiCombobox(context, 'combo-' + field.safeid)
-	        .caseSensitive(true)
-	        .minItems(1);
-
-	    function wiki(selection) {
-
-	        _selection = selection;
-
-	        var wrap = selection.selectAll('.form-field-input-wrap')
-	            .data([0]);
-
-	        wrap = wrap.enter()
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-' + field.type)
-	            .merge(wrap);
-
-
-	        var list = wrap.selectAll('ul')
-	            .data([0]);
-
-	        list = list.enter()
-	            .append('ul')
-	            .attr('class', 'rows')
-	            .merge(list);
-
-	        var searchRow = list.selectAll('li.wikidata-search')
-	            .data([0]);
-
-	        var searchRowEnter = searchRow.enter()
-	            .append('li')
-	            .attr('class', 'wikidata-search');
-
-	        searchRowEnter
-	            .append('input')
-	            .attr('type', 'text')
-	            .attr('id', field.domId)
-	            .style('flex', '1')
-	            .call(utilNoAuto)
-	            .on('focus', function() {
-	                var node = select(this).node();
-	                node.setSelectionRange(0, node.value.length);
-	            })
-	            .on('blur', function() {
-	                setLabelForEntity();
-	            })
-	            .call(combobox.fetcher(fetchWikidataItems));
-
-	        combobox.on('accept', function(d) {
-	            _qid = d.id;
-	            change();
-	        }).on('cancel', function() {
-	            setLabelForEntity();
-	        });
-
-	        searchRowEnter
-	            .append('button')
-	            .attr('class', 'form-field-button wiki-link')
-	            .attr('title', _t('icons.view_on', { domain: 'wikidata.org' }))
-	            .attr('tabindex', -1)
-	            .call(svgIcon('#iD-icon-out-link'))
-	            .on('click', function() {
-	                event.preventDefault();
-	                if (_wikiURL) window.open(_wikiURL, '_blank');
-	            });
-
-	        searchRow = searchRow.merge(searchRowEnter);
-
-	        _searchInput = searchRow.select('input');
-
-	        var wikidataProperties = ['description', 'identifier'];
-
-	        var items = list.selectAll('li.labeled-input')
-	            .data(wikidataProperties);
-
-	        // Enter
-	        var enter = items.enter()
-	            .append('li')
-	            .attr('class', function(d) { return 'labeled-input preset-wikidata-' + d; });
-
-	        enter
-	            .append('span')
-	            .attr('class', 'label')
-	            .text(function(d) { return _t('wikidata.' + d); });
-
-	        enter
-	            .append('input')
-	            .attr('type', 'text')
-	            .call(utilNoAuto)
-	            .classed('disabled', 'true')
-	            .attr('readonly', 'true');
-
-	        enter
-	            .append('button')
-	            .attr('class', 'form-field-button')
-	            .attr('title', _t('icons.copy'))
-	            .attr('tabindex', -1)
-	            .call(svgIcon('#iD-operation-copy'))
-	            .on('click', function() {
-	                event.preventDefault();
-	                select(this.parentNode)
-	                    .select('input')
-	                    .node()
-	                    .select();
-	                document.execCommand('copy');
-	            });
-
-	    }
-
-	    function fetchWikidataItems(q, callback) {
-
-	        if (!q && _hintKey) {
-	            // other tags may be good search terms
-	            for (var i in _entityIDs) {
-	                var entity = context.hasEntity(_entityIDs[i]);
-	                if (entity.tags[_hintKey]) {
-	                    q = entity.tags[_hintKey];
-	                    break;
-	                }
-	            }
-	        }
-
-	        wikidata.itemsForSearchQuery(q, function(err, data) {
-	            if (err) return;
-
-	            for (var i in data) {
-	                data[i].value = data[i].label + ' (' +  data[i].id + ')';
-	                data[i].title = data[i].description;
-	            }
-
-	            if (callback) callback(data);
-	        });
-	    }
-
-
-	    function change() {
-	        var syncTags = {};
-	        syncTags[field.key] = _qid;
-	        dispatch$1.call('change', this, syncTags);
-
-	        // attempt asynchronous update of wikidata tag..
-	        var initGraph = context.graph();
-	        var initEntityIDs = _entityIDs;
-
-	        wikidata.entityByQID(_qid, function(err, entity) {
-	            if (err) return;
-
-	            // If graph has changed, we can't apply this update.
-	            if (context.graph() !== initGraph) return;
-
-	            if (!entity.sitelinks) return;
-
-	            var langs = wikidata.languagesToQuery();
-	            // use the label and description languages as fallbacks
-	            ['labels', 'descriptions'].forEach(function(key) {
-	                if (!entity[key]) return;
-
-	                var valueLangs = Object.keys(entity[key]);
-	                if (valueLangs.length === 0) return;
-	                var valueLang = valueLangs[0];
-
-	                if (langs.indexOf(valueLang) === -1) {
-	                    langs.push(valueLang);
-	                }
-	            });
-
-	            var newWikipediaValue;
-
-	            if (_wikipediaKey) {
-	                var foundPreferred;
-	                for (var i in langs) {
-	                    var lang = langs[i];
-	                    var siteID = lang.replace('-', '_') + 'wiki';
-	                    if (entity.sitelinks[siteID]) {
-	                        foundPreferred = true;
-	                        newWikipediaValue = lang + ':' + entity.sitelinks[siteID].title;
-	                        // use the first match
-	                        break;
-	                    }
-	                }
-
-	                if (!foundPreferred) {
-	                    // No wikipedia sites available in the user's language or the fallback languages,
-	                    // default to any wikipedia sitelink
-
-	                    var wikiSiteKeys = Object.keys(entity.sitelinks).filter(function(site) {
-	                        return site.endsWith('wiki');
-	                    });
-
-	                    if (wikiSiteKeys.length === 0) {
-	                        // if no wikipedia pages are linked to this wikidata entity, delete that tag
-	                        newWikipediaValue = null;
-	                    } else {
-	                        var wikiLang = wikiSiteKeys[0].slice(0, -4).replace('_', '-');
-	                        var wikiTitle = entity.sitelinks[wikiSiteKeys[0]].title;
-	                        newWikipediaValue = wikiLang + ':' + wikiTitle;
-	                    }
-	                }
-	            }
-
-	            if (newWikipediaValue) {
-	                newWikipediaValue = context.cleanTagValue(newWikipediaValue);
-	            }
-
-	            if (typeof newWikipediaValue === 'undefined') return;
-
-	            var actions = initEntityIDs.map(function(entityID) {
-	                var entity = context.hasEntity(entityID);
-	                if (!entity) return;
-
-	                var currTags = Object.assign({}, entity.tags);  // shallow copy
-	                if (newWikipediaValue === null) {
-	                    if (!currTags[_wikipediaKey]) return;
-
-	                    delete currTags[_wikipediaKey];
-	                } else {
-	                    currTags[_wikipediaKey] = newWikipediaValue;
-	                }
-
-	                return actionChangeTags(entityID, currTags);
-	            }).filter(Boolean);
-
-	            if (!actions.length) return;
-
-	            // Coalesce the update of wikidata tag into the previous tag change
-	            context.overwrite(
-	                function actionUpdateWikipediaTags(graph) {
-	                    actions.forEach(function(action) {
-	                        graph = action(graph);
-	                    });
-	                    return graph;
-	                },
-	                context.history().undoAnnotation()
-	            );
-
-	            // do not dispatch.call('change') here, because entity_editor
-	            // changeTags() is not intended to be called asynchronously
-	        });
-	    }
-
-	    function setLabelForEntity() {
-	        var label = '';
-	        if (_wikidataEntity) {
-	            label = entityPropertyForDisplay(_wikidataEntity, 'labels');
-	            if (label.length === 0) {
-	                label = _wikidataEntity.id.toString();
-	            }
-	        }
-	        utilGetSetValue(_searchInput, label);
-	    }
-
-
-	    wiki.tags = function(tags) {
-
-	        var isMixed = Array.isArray(tags[field.key]);
-	        _searchInput
-	            .attr('title', isMixed ? tags[field.key].filter(Boolean).join('\n') : null)
-	            .attr('placeholder', isMixed ? _t('inspector.multiple_values') : '')
-	            .classed('mixed', isMixed);
-
-	        _qid = typeof tags[field.key] === 'string' && tags[field.key] || '';
-
-	        if (!/^Q[0-9]*$/.test(_qid)) {   // not a proper QID
-	            unrecognized();
-	            return;
-	        }
-
-	        // QID value in correct format
-	        _wikiURL = 'https://wikidata.org/wiki/' + _qid;
-	        wikidata.entityByQID(_qid, function(err, entity) {
-	            if (err) {
-	                unrecognized();
-	                return;
-	            }
-	            _wikidataEntity = entity;
-
-	            setLabelForEntity();
-
-	            var description = entityPropertyForDisplay(entity, 'descriptions');
-
-	            _selection.select('button.wiki-link')
-	                .classed('disabled', false);
-
-	            _selection.select('.preset-wikidata-description')
-	                .style('display', function(){
-	                    return description.length > 0 ? 'flex' : 'none';
-	                })
-	                .select('input')
-	                .attr('value', description);
-
-	            _selection.select('.preset-wikidata-identifier')
-	                .style('display', function(){
-	                    return entity.id ? 'flex' : 'none';
-	                })
-	                .select('input')
-	                .attr('value', entity.id);
-	        });
-
-
-	        // not a proper QID
-	        function unrecognized() {
-	            _wikidataEntity = null;
-	            setLabelForEntity();
-
-	            _selection.select('.preset-wikidata-description')
-	                .style('display', 'none');
-	            _selection.select('.preset-wikidata-identifier')
-	                .style('display', 'none');
-
-	            _selection.select('button.wiki-link')
-	                .classed('disabled', true);
-
-	            if (_qid && _qid !== '') {
-	                _wikiURL = 'https://wikidata.org/wiki/Special:Search?search=' + _qid;
-	            } else {
-	                _wikiURL = '';
-	            }
-	        }
-	    };
-
-	    function entityPropertyForDisplay(wikidataEntity, propKey) {
-	        if (!wikidataEntity[propKey]) return '';
-	        var propObj = wikidataEntity[propKey];
-	        var langKeys = Object.keys(propObj);
-	        if (langKeys.length === 0) return '';
-	        // sorted by priority, since we want to show the user's language first if possible
-	        var langs = wikidata.languagesToQuery();
-	        for (var i in langs) {
-	            var lang = langs[i];
-	            var valueObj = propObj[lang];
-	            if (valueObj && valueObj.value && valueObj.value.length > 0) return valueObj.value;
-	        }
-	        // default to any available value
-	        return propObj[langKeys[0]].value;
-	    }
-
-
-	    wiki.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        return wiki;
-	    };
-
-
-	    wiki.focus = function() {
-	        _searchInput.node().focus();
-	    };
-
-
-	    return utilRebind(wiki, dispatch$1, 'on');
-	}
-
-	function uiFieldWikipedia(field, context) {
-	  const dispatch$1 = dispatch('change');
-	  const wikipedia = services.wikipedia;
-	  const wikidata = services.wikidata;
-	  let _langInput = select(null);
-	  let _titleInput = select(null);
-	  let _wikiURL = '';
-	  let _entityIDs;
-	  let _tags;
-
-	  let _dataWikipedia = [];
-	  _mainFileFetcher.get('wmf_sitematrix')
-	    .then(d => {
-	      _dataWikipedia = d;
-	      if (_tags) updateForTags(_tags);
-	    })
-	    .catch(() => { /* ignore */ });
-
-
-	  const langCombo = uiCombobox(context, 'wikipedia-lang')
-	    .fetcher((value, callback) => {
-	      const v = value.toLowerCase();
-	      callback(_dataWikipedia
-	        .filter(d => {
-	          return d[0].toLowerCase().indexOf(v) >= 0 ||
-	            d[1].toLowerCase().indexOf(v) >= 0 ||
-	            d[2].toLowerCase().indexOf(v) >= 0;
-	        })
-	        .map(d => ({ value: d[1] }))
-	      );
-	    });
-
-	  const titleCombo = uiCombobox(context, 'wikipedia-title')
-	    .fetcher((value, callback) => {
-	      if (!value) {
-	        value = '';
-	        for (let i in _entityIDs) {
-	          let entity = context.hasEntity(_entityIDs[i]);
-	          if (entity.tags.name) {
-	            value = entity.tags.name;
-	            break;
-	          }
-	        }
-	      }
-	      const searchfn = value.length > 7 ? wikipedia.search : wikipedia.suggestions;
-	      searchfn(language()[2], value, (query, data) => {
-	        callback( data.map(d => ({ value: d })) );
-	      });
-	    });
-
-
-	  function wiki(selection) {
-	    let wrap = selection.selectAll('.form-field-input-wrap')
-	      .data([0]);
-
-	    wrap = wrap.enter()
-	      .append('div')
-	      .attr('class', `form-field-input-wrap form-field-input-${field.type}`)
-	      .merge(wrap);
-
-
-	    let langContainer = wrap.selectAll('.wiki-lang-container')
-	      .data([0]);
-
-	    langContainer = langContainer.enter()
-	      .append('div')
-	      .attr('class', 'wiki-lang-container')
-	      .merge(langContainer);
-
-
-	    _langInput = langContainer.selectAll('input.wiki-lang')
-	      .data([0]);
-
-	    _langInput = _langInput.enter()
-	      .append('input')
-	      .attr('type', 'text')
-	      .attr('class', 'wiki-lang')
-	      .attr('placeholder', _t('translate.localized_translation_language'))
-	      .call(utilNoAuto)
-	      .call(langCombo)
-	      .merge(_langInput);
-
-	    utilGetSetValue(_langInput, language()[1]);
-
-	    _langInput
-	      .on('blur', changeLang)
-	      .on('change', changeLang);
-
-
-	    let titleContainer = wrap.selectAll('.wiki-title-container')
-	      .data([0]);
-
-	    titleContainer = titleContainer.enter()
-	      .append('div')
-	      .attr('class', 'wiki-title-container')
-	      .merge(titleContainer);
-
-	    _titleInput = titleContainer.selectAll('input.wiki-title')
-	      .data([0]);
-
-	    _titleInput = _titleInput.enter()
-	      .append('input')
-	      .attr('type', 'text')
-	      .attr('class', 'wiki-title')
-	      .attr('id', field.domId)
-	      .call(utilNoAuto)
-	      .call(titleCombo)
-	      .merge(_titleInput);
-
-	    _titleInput
-	      .on('blur', blur)
-	      .on('change', change);
-
-
-	    let link = titleContainer.selectAll('.wiki-link')
-	      .data([0]);
-
-	    link = link.enter()
-	      .append('button')
-	      .attr('class', 'form-field-button wiki-link')
-	      .attr('tabindex', -1)
-	      .attr('title', _t('icons.view_on', { domain: 'wikipedia.org' }))
-	      .call(svgIcon('#iD-icon-out-link'))
-	      .merge(link);
-
-	    link
-	      .on('click', () => {
-	        event.preventDefault();
-	        if (_wikiURL) window.open(_wikiURL, '_blank');
-	      });
-	  }
-
-
-	  function language() {
-	    const value = utilGetSetValue(_langInput).toLowerCase();
-	    const locale = _mainLocalizer.localeCode().toLowerCase();
-	    let localeLanguage;
-	    return _dataWikipedia.find(d => {
-	      if (d[2] === locale) localeLanguage = d;
-	      return d[0].toLowerCase() === value || d[1].toLowerCase() === value || d[2] === value;
-	    }) || localeLanguage || ['English', 'English', 'en'];
-	  }
-
-
-	  function changeLang() {
-	    utilGetSetValue(_langInput, language()[1]);
-	    change(true);
-	  }
-
-
-	  function blur() {
-	    change(true);
-	  }
-
-
-	  function change(skipWikidata) {
-	    let value = utilGetSetValue(_titleInput);
-	    const m = value.match(/https?:\/\/([-a-z]+)\.wikipedia\.org\/(?:wiki|\1-[-a-z]+)\/([^#]+)(?:#(.+))?/);
-	    const l = m && _dataWikipedia.find(d => m[1] === d[2]);
-	    let syncTags = {};
-
-	    if (l) {
-	      // Normalize title http://www.mediawiki.org/wiki/API:Query#Title_normalization
-	      value = decodeURIComponent(m[2]).replace(/_/g, ' ');
-	      if (m[3]) {
-	        let anchor;
-	        // try {
-	        // leave this out for now - #6232
-	          // Best-effort `anchordecode:` implementation
-	          // anchor = decodeURIComponent(m[3].replace(/\.([0-9A-F]{2})/g, '%$1'));
-	        // } catch (e) {
-	        anchor = decodeURIComponent(m[3]);
-	        // }
-	        value += '#' + anchor.replace(/_/g, ' ');
-	      }
-	      value = value.slice(0, 1).toUpperCase() + value.slice(1);
-	      utilGetSetValue(_langInput, l[1]);
-	      utilGetSetValue(_titleInput, value);
-	    }
-
-	    if (value) {
-	      syncTags.wikipedia = context.cleanTagValue(language()[2] + ':' + value);
-	    } else {
-	      syncTags.wikipedia = undefined;
-	    }
-
-	    dispatch$1.call('change', this, syncTags);
-
-
-	    if (skipWikidata || !value || !language()[2]) return;
-
-	    // attempt asynchronous update of wikidata tag..
-	    const initGraph = context.graph();
-	    const initEntityIDs = _entityIDs;
-
-	    wikidata.itemsByTitle(language()[2], value, (err, data) => {
-	      if (err || !data || !Object.keys(data).length) return;
-
-	      // If graph has changed, we can't apply this update.
-	      if (context.graph() !== initGraph) return;
-
-	      const qids = Object.keys(data);
-	      const value = qids && qids.find(id => id.match(/^Q\d+$/));
-
-	      let actions = initEntityIDs.map((entityID) => {
-	        let entity = context.entity(entityID).tags;
-	        let currTags = Object.assign({}, entity);  // shallow copy
-	        if (currTags.wikidata !== value) {
-	            currTags.wikidata = value;
-	            return actionChangeTags(entityID, currTags);
-	        }
-	      }).filter(Boolean);
-
-	      if (!actions.length) return;
-
-	      // Coalesce the update of wikidata tag into the previous tag change
-	      context.overwrite(
-	        function actionUpdateWikidataTags(graph) {
-	          actions.forEach(function(action) {
-	            graph = action(graph);
-	          });
-	          return graph;
-	        },
-	        context.history().undoAnnotation()
-	      );
-
-	      // do not dispatch.call('change') here, because entity_editor
-	      // changeTags() is not intended to be called asynchronously
-	    });
-	  }
-
-
-	  wiki.tags = (tags) => {
-	    _tags = tags;
-	    updateForTags(tags);
-	  };
-
-	  function updateForTags(tags) {
-
-	    const value = typeof tags[field.key] === 'string' ? tags[field.key] : '';
-	    const m = value.match(/([^:]+):([^#]+)(?:#(.+))?/);
-	    const l = m && _dataWikipedia.find(d => m[1] === d[2]);
-	    let anchor = m && m[3];
-
-	    // value in correct format
-	    if (l) {
-	      utilGetSetValue(_langInput, l[1]);
-	      utilGetSetValue(_titleInput, m[2] + (anchor ? ('#' + anchor) : ''));
-	      if (anchor) {
-	        try {
-	          // Best-effort `anchorencode:` implementation
-	          anchor = encodeURIComponent(anchor.replace(/ /g, '_')).replace(/%/g, '.');
-	        } catch (e) {
-	          anchor = anchor.replace(/ /g, '_');
-	        }
-	      }
-	      _wikiURL = 'https://' + m[1] + '.wikipedia.org/wiki/' +
-	        m[2].replace(/ /g, '_') + (anchor ? ('#' + anchor) : '');
-
-	    // unrecognized value format
-	    } else {
-	      utilGetSetValue(_titleInput, value);
-	      if (value && value !== '') {
-	        utilGetSetValue(_langInput, '');
-	        _wikiURL = `https://en.wikipedia.org/wiki/Special:Search?search=${value}`;
-	      } else {
-	        _wikiURL = '';
-	      }
-	    }
-	  }
-
-
-	  wiki.entityIDs = (val) => {
-	    if (!arguments.length) return _entityIDs;
-	    _entityIDs = val;
-	    return wiki;
-	  };
-
-
-	  wiki.focus = () => {
-	    _titleInput.node().focus();
-	  };
-
-
-	  return utilRebind(wiki, dispatch$1, 'on');
-	}
-
-	uiFieldWikipedia.supportsMultiselection = false;
-
-	var uiFields = {
-	    access: uiFieldAccess,
-	    address: uiFieldAddress,
-	    check: uiFieldCheck,
-	    combo: uiFieldCombo,
-	    cycleway: uiFieldCycleway,
-	    defaultCheck: uiFieldCheck,
-	    email: uiFieldText,
-	    identifier: uiFieldText,
-	    lanes: uiFieldLanes,
-	    localized: uiFieldLocalized,
-	    maxspeed: uiFieldMaxspeed,
-	    multiCombo: uiFieldCombo,
-	    networkCombo: uiFieldCombo,
-	    number: uiFieldText,
-	    onewayCheck: uiFieldCheck,
-	    radio: uiFieldRadio,
-	    restrictions: uiFieldRestrictions,
-	    semiCombo: uiFieldCombo,
-	    structureRadio: uiFieldRadio,
-	    tel: uiFieldText,
-	    text: uiFieldText,
-	    textarea: uiFieldTextarea,
-	    typeCombo: uiFieldCombo,
-	    url: uiFieldText,
-	    wikidata: uiFieldWikidata,
-	    wikipedia: uiFieldWikipedia
-	};
-
-	function uiField(context, presetField, entityIDs, options) {
-	    options = Object.assign({
-	        show: true,
-	        wrap: true,
-	        remove: true,
-	        revert: true,
-	        info: true
-	    }, options);
-
-	    var dispatch$1 = dispatch('change', 'revert');
-	    var field = Object.assign({}, presetField);   // shallow copy
-	    field.domId = utilUniqueDomId('form-field-' + field.safeid);
-	    var _show = options.show;
-	    var _state = '';
-	    var _tags = {};
-
-	    var _locked = false;
-	    var _lockedTip = uiTooltip()
-	        .title(_t('inspector.lock.suggestion', { label: field.label }))
-	        .placement('bottom');
-
-
-	    field.keys = field.keys || [field.key];
-
-	    // only create the fields that are actually being shown
-	    if (_show && !field.impl) {
-	        createField();
-	    }
-
-	    // Creates the field.. This is done lazily,
-	    // once we know that the field will be shown.
-	    function createField() {
-	        field.impl = uiFields[field.type](field, context)
-	            .on('change', function(t, onInput) {
-	                dispatch$1.call('change', field, t, onInput);
-	            });
-
-	        if (entityIDs) {
-	            field.entityIDs = entityIDs;
-	            // if this field cares about the entities, pass them along
-	            if (field.impl.entityIDs) {
-	                field.impl.entityIDs(entityIDs);
-	            }
-	        }
-	    }
-
-
-	    function isModified() {
-	        if (!entityIDs || !entityIDs.length) return false;
-	        return entityIDs.some(function(entityID) {
-	            var original = context.graph().base().entities[entityID];
-	            var latest = context.graph().entity(entityID);
-	            return field.keys.some(function(key) {
-	                return original ? latest.tags[key] !== original.tags[key] : latest.tags[key];
-	            });
-	        });
-	    }
-
-
-	    function tagsContainFieldKey() {
-	        return field.keys.some(function(key) {
-	            if (field.type === 'multiCombo') {
-	                for (var tagKey in _tags) {
-	                    if (tagKey.indexOf(key) === 0) {
-	                        return true;
-	                    }
-	                }
-	                return false;
-	            }
-	            return _tags[key] !== undefined;
-	        });
-	    }
-
-
-	    function revert(d) {
-	        event.stopPropagation();
-	        event.preventDefault();
-	        if (!entityIDs || _locked) return;
-
-	        dispatch$1.call('revert', d, d.keys);
-	    }
-
-
-	    function remove(d) {
-	        event.stopPropagation();
-	        event.preventDefault();
-	        if (_locked) return;
-
-	        var t = {};
-	        d.keys.forEach(function(key) {
-	            t[key] = undefined;
-	        });
-
-	        dispatch$1.call('change', d, t);
-	    }
-
-
-	    field.render = function(selection) {
-	        var container = selection.selectAll('.form-field')
-	            .data([field]);
-
-	        // Enter
-	        var enter = container.enter()
-	            .append('div')
-	            .attr('class', function(d) { return 'form-field form-field-' + d.safeid; })
-	            .classed('nowrap', !options.wrap);
-
-	        if (options.wrap) {
-	            var labelEnter = enter
-	                .append('label')
-	                .attr('class', 'field-label')
-	                .attr('for', function(d) { return d.domId; });
-
-	            var textEnter = labelEnter
-	                .append('span')
-	                .attr('class', 'label-text');
-
-	            textEnter
-	                .append('span')
-	                .attr('class', 'label-textvalue')
-	                .text(function(d) { return d.label(); });
-
-	            textEnter
-	                .append('span')
-	                .attr('class', 'label-textannotation');
-
-	            if (options.remove) {
-	                labelEnter
-	                    .append('button')
-	                    .attr('class', 'remove-icon')
-	                    .attr('title', _t('icons.remove'))
-	                    .attr('tabindex', -1)
-	                    .call(svgIcon('#iD-operation-delete'));
-	            }
-
-	            if (options.revert) {
-	                labelEnter
-	                    .append('button')
-	                    .attr('class', 'modified-icon')
-	                    .attr('title', _t('icons.undo'))
-	                    .attr('tabindex', -1)
-	                    .call(svgIcon((_mainLocalizer.textDirection() === 'rtl') ? '#iD-icon-redo' : '#iD-icon-undo'));
-	            }
-	        }
-
-
-	        // Update
-	        container = container
-	            .merge(enter);
-
-	        container.select('.field-label > .remove-icon')  // propagate bound data
-	            .on('click', remove);
-
-	        container.select('.field-label > .modified-icon')  // propagate bound data
-	            .on('click', revert);
-
-	        container
-	            .each(function(d) {
-	                var selection = select(this);
-
-	                if (!d.impl) {
-	                    createField();
-	                }
-
-	                var reference, help;
-
-	                // instantiate field help
-	                if (options.wrap && field.type === 'restrictions') {
-	                    help = uiFieldHelp(context, 'restrictions');
-	                }
-
-	                // instantiate tag reference
-	                if (options.wrap && options.info) {
-	                    var referenceKey = d.key;
-	                    if (d.type === 'multiCombo') {   // lookup key without the trailing ':'
-	                        referenceKey = referenceKey.replace(/:$/, '');
-	                    }
-
-	                    reference = uiTagReference(d.reference || { key: referenceKey });
-	                    if (_state === 'hover') {
-	                        reference.showing(false);
-	                    }
-	                }
-
-	                selection
-	                    .call(d.impl);
-
-	                // add field help components
-	                if (help) {
-	                    selection
-	                        .call(help.body)
-	                        .select('.field-label')
-	                        .call(help.button);
-	                }
-
-	                // add tag reference components
-	                if (reference) {
-	                    selection
-	                        .call(reference.body)
-	                        .select('.field-label')
-	                        .call(reference.button);
-	                }
-
-	                d.impl.tags(_tags);
-	            });
-
-
-	            container
-	                .classed('locked', _locked)
-	                .classed('modified', isModified())
-	                .classed('present', tagsContainFieldKey());
-
-
-	            // show a tip and lock icon if the field is locked
-	            var annotation = container.selectAll('.field-label .label-textannotation');
-	            var icon = annotation.selectAll('.icon')
-	                .data(_locked ? [0]: []);
-
-	            icon.exit()
-	                .remove();
-
-	            icon.enter()
-	                .append('svg')
-	                .attr('class', 'icon')
-	                .append('use')
-	                .attr('xlink:href', '#fas-lock');
-
-	            container.call(_locked ? _lockedTip : _lockedTip.destroy);
-	    };
-
-
-	    field.state = function(val) {
-	        if (!arguments.length) return _state;
-	        _state = val;
-	        return field;
-	    };
-
-
-	    field.tags = function(val) {
-	        if (!arguments.length) return _tags;
-	        _tags = val;
-
-	        if (tagsContainFieldKey() && !_show) {
-	            // always show a field if it has a value to display
-	            _show = true;
-	            if (!field.impl) {
-	                createField();
-	            }
-	        }
-
-	        return field;
-	    };
-
-
-	    field.locked = function(val) {
-	        if (!arguments.length) return _locked;
-	        _locked = val;
-	        return field;
-	    };
-
-
-	    field.show = function() {
-	        _show = true;
-	        if (!field.impl) {
-	            createField();
-	        }
-	        if (field.default && field.key && _tags[field.key] !== field.default) {
-	            var t = {};
-	            t[field.key] = field.default;
-	            dispatch$1.call('change', this, t);
-	        }
-	    };
-
-	    // A shown field has a visible UI, a non-shown field is in the 'Add field' dropdown
-	    field.isShown = function() {
-	        return _show;
-	    };
-
-
-	    // An allowed field can appear in the UI or in the 'Add field' dropdown.
-	    // A non-allowed field is hidden from the user altogether
-	    field.isAllowed = function() {
-
-	        if (entityIDs &&
-	            entityIDs.length > 1 &&
-	            uiFields[field.type].supportsMultiselection === false) return false;
-
-	        if (field.geometry && !entityIDs.every(function(entityID) {
-	            return field.matchGeometry(context.graph().geometry(entityID));
-	        })) return false;
-
-	        if (field.countryCodes || field.notCountryCodes) {
-	            var extent = combinedEntityExtent();
-	            if (!extent) return true;
-
-	            var center = extent.center();
-	            var countryCode = iso1A2Code(center);
-
-	            if (!countryCode) return false;
-
-	            countryCode = countryCode.toLowerCase();
-
-	            if (field.countryCodes && field.countryCodes.indexOf(countryCode) === -1) {
-	                return false;
-	            }
-	            if (field.notCountryCodes && field.notCountryCodes.indexOf(countryCode) !== -1) {
-	                return false;
-	            }
-	        }
-
-	        var prerequisiteTag = field.prerequisiteTag;
-
-	        if (entityIDs &&
-	            !tagsContainFieldKey() && // ignore tagging prerequisites if a value is already present
-	            prerequisiteTag) {
-
-	            if (!entityIDs.every(function(entityID) {
-	                var entity = context.graph().entity(entityID);
-	                if (prerequisiteTag.key) {
-	                    var value = entity.tags[prerequisiteTag.key];
-	                    if (!value) return false;
-
-	                    if (prerequisiteTag.valueNot) {
-	                        return prerequisiteTag.valueNot !== value;
-	                    }
-	                    if (prerequisiteTag.value) {
-	                        return prerequisiteTag.value === value;
-	                    }
-	                } else if (prerequisiteTag.keyNot) {
-	                    if (entity.tags[prerequisiteTag.keyNot]) return false;
-	                }
-	                return true;
-	            })) return false;
-	        }
-
-	        return true;
-	    };
-
-
-	    field.focus = function() {
-	        if (field.impl) {
-	            field.impl.focus();
-	        }
-	    };
-
-
-	    function combinedEntityExtent() {
-	        return entityIDs && entityIDs.length && entityIDs.reduce(function(extent, entityID) {
-	            var entity = context.graph().entity(entityID);
-	            return extent.extend(entity.extent(context.graph()));
-	        }, geoExtent());
-	    }
-
-
-	    return utilRebind(field, dispatch$1, 'on');
-	}
-
-	function uiFormFields(context) {
-	    var moreCombo = uiCombobox(context, 'more-fields').minItems(1);
-	    var _fieldsArr = [];
-	    var _lastPlaceholder = '';
-	    var _state = '';
-	    var _klass = '';
-
-
-	    function formFields(selection) {
-	        var allowedFields = _fieldsArr.filter(function(field) { return field.isAllowed(); });
-	        var shown = allowedFields.filter(function(field) { return field.isShown(); });
-	        var notShown = allowedFields.filter(function(field) { return !field.isShown(); });
-
-	        var container = selection.selectAll('.form-fields-container')
-	            .data([0]);
-
-	        container = container.enter()
-	            .append('div')
-	            .attr('class', 'form-fields-container ' + (_klass || ''))
-	            .merge(container);
-
-
-	        var fields = container.selectAll('.wrap-form-field')
-	            .data(shown, function(d) { return d.id + (d.entityIDs ? d.entityIDs.join() : ''); });
-
-	        fields.exit()
-	            .remove();
-
-	        // Enter
-	        var enter = fields.enter()
-	            .append('div')
-	            .attr('class', function(d) { return 'wrap-form-field wrap-form-field-' + d.safeid; });
-
-	        // Update
-	        fields = fields
-	            .merge(enter);
-
-	        fields
-	            .order()
-	            .each(function(d) {
-	                select(this)
-	                    .call(d.render);
-	            });
-
-
-	        var titles = [];
-	        var moreFields = notShown.map(function(field) {
-	            var label = field.label();
-	            titles.push(label);
-
-	            var terms = field.terms();
-	            if (field.key) terms.push(field.key);
-	            if (field.keys) terms = terms.concat(field.keys);
-
-	            return {
-	                title: label,
-	                value: label,
-	                field: field,
-	                terms: terms
-	            };
-	        });
-
-	        var placeholder = titles.slice(0,3).join(', ') + ((titles.length > 3) ? '…' : '');
-
-
-	        var more = selection.selectAll('.more-fields')
-	            .data((_state === 'hover' || moreFields.length === 0) ? [] : [0]);
-
-	        more.exit()
-	            .remove();
-
-	        var moreEnter = more.enter()
-	            .append('div')
-	            .attr('class', 'more-fields')
-	            .append('label');
-
-	        moreEnter
-	            .append('span')
-	            .text(_t('inspector.add_fields'));
-
-	        more = moreEnter
-	            .merge(more);
-
-
-	        var input = more.selectAll('.value')
-	            .data([0]);
-
-	        input.exit()
-	            .remove();
-
-	        input = input.enter()
-	            .append('input')
-	            .attr('class', 'value')
-	            .attr('type', 'text')
-	            .attr('placeholder', placeholder)
-	            .call(utilNoAuto)
-	            .merge(input);
-
-	        input
-	            .call(utilGetSetValue, '')
-	            .call(moreCombo
-	                .data(moreFields)
-	                .on('accept', function (d) {
-	                    if (!d) return;  // user entered something that was not matched
-	                    var field = d.field;
-	                    field.show();
-	                    selection.call(formFields);  // rerender
-	                    if (field.type !== 'semiCombo' && field.type !== 'multiCombo') {
-	                        field.focus();
-	                    }
-	                })
-	            );
-
-	        // avoid updating placeholder excessively (triggers style recalc)
-	        if (_lastPlaceholder !== placeholder) {
-	            input.attr('placeholder', placeholder);
-	            _lastPlaceholder = placeholder;
-	        }
-	    }
-
-
-	    formFields.fieldsArr = function(val) {
-	        if (!arguments.length) return _fieldsArr;
-	        _fieldsArr = val || [];
-	        return formFields;
-	    };
-
-	    formFields.state = function(val) {
-	        if (!arguments.length) return _state;
-	        _state = val;
-	        return formFields;
-	    };
-
-	    formFields.klass = function(val) {
-	        if (!arguments.length) return _klass;
-	        _klass = val;
-	        return formFields;
-	    };
-
-
-	    return formFields;
-	}
-
-	function uiSectionPresetFields(context) {
-
-	    var section = uiSection('preset-fields', context)
-	        .title(function() {
-	            return _t('inspector.fields');
-	        })
-	        .disclosureContent(renderDisclosureContent);
-
-	    var dispatch$1 = dispatch('change', 'revert');
-	    var formFields = uiFormFields(context);
-	    var _state;
-	    var _fieldsArr;
-	    var _presets = [];
-	    var _tags;
-	    var _entityIDs;
-
-	    function renderDisclosureContent(selection) {
-	        if (!_fieldsArr) {
-
-	            var graph = context.graph();
-
-	            var geometries = Object.keys(_entityIDs.reduce(function(geoms, entityID) {
-	                return geoms[graph.entity(entityID).geometry(graph)] = true;
-	            }, {}));
-
-	            var presetsManager = _mainPresetIndex;
-
-	            var allFields = [];
-	            var allMoreFields = [];
-	            var sharedTotalFields;
-
-	            _presets.forEach(function(preset) {
-	                var fields = preset.fields();
-	                var moreFields = preset.moreFields();
-
-	                allFields = utilArrayUnion(allFields, fields);
-	                allMoreFields = utilArrayUnion(allMoreFields, moreFields);
-
-	                if (!sharedTotalFields) {
-	                    sharedTotalFields = utilArrayUnion(fields, moreFields);
-	                } else {
-	                    sharedTotalFields = sharedTotalFields.filter(function(field) {
-	                        return fields.indexOf(field) !== -1 || moreFields.indexOf(field) !== -1;
-	                    });
-	                }
-	            });
-
-	            var sharedFields = allFields.filter(function(field) {
-	                return sharedTotalFields.indexOf(field) !== -1;
-	            });
-	            var sharedMoreFields = allMoreFields.filter(function(field) {
-	                return sharedTotalFields.indexOf(field) !== -1;
-	            });
-
-	            _fieldsArr = [];
-
-	            sharedFields.forEach(function(field) {
-	                if (field.matchAllGeometry(geometries)) {
-	                    _fieldsArr.push(
-	                        uiField(context, field, _entityIDs)
-	                    );
-	                }
-	            });
-
-	            var singularEntity = _entityIDs.length === 1 && graph.hasEntity(_entityIDs[0]);
-	            if (singularEntity && singularEntity.isHighwayIntersection(graph) && presetsManager.field('restrictions')) {
-	                _fieldsArr.push(
-	                    uiField(context, presetsManager.field('restrictions'), _entityIDs)
-	                );
-	            }
-
-	            var additionalFields = utilArrayUnion(sharedMoreFields, presetsManager.universal());
-	            additionalFields.sort(function(field1, field2) {
-	                return field1.label().localeCompare(field2.label(), _mainLocalizer.localeCode());
-	            });
-
-	            additionalFields.forEach(function(field) {
-	                if (sharedFields.indexOf(field) === -1 &&
-	                    field.matchAllGeometry(geometries)) {
-	                    _fieldsArr.push(
-	                        uiField(context, field, _entityIDs, { show: false })
-	                    );
-	                }
-	            });
-
-	            _fieldsArr.forEach(function(field) {
-	                field
-	                    .on('change', function(t, onInput) {
-	                        dispatch$1.call('change', field, _entityIDs, t, onInput);
-	                    })
-	                    .on('revert', function(keys) {
-	                        dispatch$1.call('revert', field, keys);
-	                    });
-	            });
-	        }
-
-	        _fieldsArr.forEach(function(field) {
-	            field
-	                .state(_state)
-	                .tags(_tags);
-	        });
-
-
-	        selection
-	            .call(formFields
-	                .fieldsArr(_fieldsArr)
-	                .state(_state)
-	                .klass('grouped-items-area')
-	            );
-
-
-	        selection.selectAll('.wrap-form-field input')
-	            .on('keydown', function() {
-	                // if user presses enter, and combobox is not active, accept edits..
-	                if (event.keyCode === 13 && context.container().select('.combobox').empty()) {
-	                    context.enter(modeBrowse(context));
-	                }
-	            });
-	    }
-
-	    section.presets = function(val) {
-	        if (!arguments.length) return _presets;
-	        if (!_presets || !val || !utilArrayIdentical(_presets, val)) {
-	            _presets = val;
-	            _fieldsArr = null;
-	        }
-	        return section;
-	    };
-
-	    section.state = function(val) {
-	        if (!arguments.length) return _state;
-	        _state = val;
-	        return section;
-	    };
-
-	    section.tags = function(val) {
-	        if (!arguments.length) return _tags;
-	        _tags = val;
-	        // Don't reset _fieldsArr here.
-	        return section;
-	    };
-
-	    section.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        if (!val || !_entityIDs || !utilArrayIdentical(_entityIDs, val)) {
-	            _entityIDs = val;
-	            _fieldsArr = null;
-	        }
-	        return section;
-	    };
-
-	    return utilRebind(section, dispatch$1, 'on');
-	}
-
-	function uiSectionRawMemberEditor(context) {
-
-	    var section = uiSection('raw-member-editor', context)
-	        .shouldDisplay(function() {
-	            if (!_entityIDs || _entityIDs.length !== 1) return false;
-
-	            var entity = context.hasEntity(_entityIDs[0]);
-	            return entity && entity.type === 'relation';
-	        })
-	        .title(function() {
-	            var entity = context.hasEntity(_entityIDs[0]);
-	            if (!entity) return '';
-
-	            var gt = entity.members.length > _maxMembers ? '>' : '';
-	            var count = gt + entity.members.slice(0, _maxMembers).length;
-	            return _t('inspector.title_count', { title: _t('inspector.members'), count: count });
-	        })
-	        .disclosureContent(renderDisclosureContent);
-
-	    var taginfo = services.taginfo;
-	    var _entityIDs;
-	    var _maxMembers = 1000;
-
-	    function downloadMember(d) {
-	        event.preventDefault();
-
-	        // display the loading indicator
-	        select(this.parentNode).classed('tag-reference-loading', true);
-	        context.loadEntity(d.id, function() {
-	            section.reRender();
-	        });
-	    }
-
-	    function zoomToMember(d) {
-	        event.preventDefault();
-
-	        var entity = context.entity(d.id);
-	        context.map().zoomToEase(entity);
-
-	        // highlight the feature in case it wasn't previously on-screen
-	        utilHighlightEntities([d.id], true, context);
-	    }
-
-
-	    function selectMember(d) {
-	        event.preventDefault();
-
-	        // remove the hover-highlight styling
-	        utilHighlightEntities([d.id], false, context);
-
-	        var entity = context.entity(d.id);
-	        var mapExtent = context.map().extent();
-	        if (!entity.intersects(mapExtent, context.graph())) {
-	            // zoom to the entity if its extent is not visible now
-	            context.map().zoomToEase(entity);
-	        }
-
-	        context.enter(modeSelect(context, [d.id]));
-	    }
-
-
-	    function changeRole(d) {
-	        var oldRole = d.role;
-	        var newRole = context.cleanRelationRole(select(this).property('value'));
-
-	        if (oldRole !== newRole) {
-	            var member = { id: d.id, type: d.type, role: newRole };
-	            context.perform(
-	                actionChangeMember(d.relation.id, member, d.index),
-	                _t('operations.change_role.annotation')
-	            );
-	        }
-	    }
-
-
-	    function deleteMember(d) {
-
-	        // remove the hover-highlight styling
-	        utilHighlightEntities([d.id], false, context);
-
-	        context.perform(
-	            actionDeleteMember(d.relation.id, d.index),
-	            _t('operations.delete_member.annotation')
-	        );
-
-	        if (!context.hasEntity(d.relation.id)) {
-	            context.enter(modeBrowse(context));
-	        }
-	    }
-
-	    function renderDisclosureContent(selection) {
-
-	        var entityID = _entityIDs[0];
-
-	        var memberships = [];
-	        var entity = context.entity(entityID);
-	        entity.members.slice(0, _maxMembers).forEach(function(member, index) {
-	            memberships.push({
-	                index: index,
-	                id: member.id,
-	                type: member.type,
-	                role: member.role,
-	                relation: entity,
-	                member: context.hasEntity(member.id),
-	                domId: utilUniqueDomId(entityID + '-member-' + index)
-	            });
-	        });
-
-	        var list = selection.selectAll('.member-list')
-	            .data([0]);
-
-	        list = list.enter()
-	            .append('ul')
-	            .attr('class', 'member-list')
-	            .merge(list);
-
-
-	        var items = list.selectAll('li')
-	            .data(memberships, function(d) {
-	                return osmEntity.key(d.relation) + ',' + d.index + ',' +
-	                    (d.member ? osmEntity.key(d.member) : 'incomplete');
-	            });
-
-	        items.exit()
-	            .each(unbind)
-	            .remove();
-
-	        var itemsEnter = items.enter()
-	            .append('li')
-	            .attr('class', 'member-row form-field')
-	            .classed('member-incomplete', function(d) { return !d.member; });
-
-	        itemsEnter
-	            .each(function(d) {
-	                var item = select(this);
-
-	                var label = item
-	                    .append('label')
-	                    .attr('class', 'field-label')
-	                    .attr('for', d.domId);
-
-	                if (d.member) {
-	                    // highlight the member feature in the map while hovering on the list item
-	                    item
-	                        .on('mouseover', function() {
-	                            utilHighlightEntities([d.id], true, context);
-	                        })
-	                        .on('mouseout', function() {
-	                            utilHighlightEntities([d.id], false, context);
-	                        });
-
-	                    var labelLink = label
-	                        .append('span')
-	                        .attr('class', 'label-text')
-	                        .append('a')
-	                        .attr('href', '#')
-	                        .on('click', selectMember);
-
-	                    labelLink
-	                        .append('span')
-	                        .attr('class', 'member-entity-type')
-	                        .text(function(d) {
-	                            var matched = _mainPresetIndex.match(d.member, context.graph());
-	                            return (matched && matched.name()) || utilDisplayType(d.member.id);
-	                        });
-
-	                    labelLink
-	                        .append('span')
-	                        .attr('class', 'member-entity-name')
-	                        .text(function(d) { return utilDisplayName(d.member); });
-
-	                    label
-	                        .append('button')
-	                        .attr('tabindex', -1)
-	                        .attr('title', _t('icons.remove'))
-	                        .attr('class', 'remove member-delete')
-	                        .call(svgIcon('#iD-operation-delete'));
-
-	                    label
-	                        .append('button')
-	                        .attr('class', 'member-zoom')
-	                        .attr('title', _t('icons.zoom_to'))
-	                        .call(svgIcon('#iD-icon-framed-dot', 'monochrome'))
-	                        .on('click', zoomToMember);
-
-	                } else {
-	                    var labelText = label
-	                        .append('span')
-	                        .attr('class', 'label-text');
-
-	                    labelText
-	                        .append('span')
-	                        .attr('class', 'member-entity-type')
-	                        .text(_t('inspector.' + d.type, { id: d.id }));
-
-	                    labelText
-	                        .append('span')
-	                        .attr('class', 'member-entity-name')
-	                        .text(_t('inspector.incomplete', { id: d.id }));
-
-	                    label
-	                        .append('button')
-	                        .attr('class', 'member-download')
-	                        .attr('title', _t('icons.download'))
-	                        .attr('tabindex', -1)
-	                        .call(svgIcon('#iD-icon-load'))
-	                        .on('click', downloadMember);
-	                }
-	            });
-
-	        var wrapEnter = itemsEnter
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-member');
-
-	        wrapEnter
-	            .append('input')
-	            .attr('class', 'member-role')
-	            .attr('id', function(d) {
-	                return d.domId;
-	            })
-	            .property('type', 'text')
-	            .attr('placeholder', _t('inspector.role'))
-	            .call(utilNoAuto);
-
-	        if (taginfo) {
-	            wrapEnter.each(bindTypeahead);
-	        }
-
-	        // update
-	        items = items
-	            .merge(itemsEnter)
-	            .order();
-
-	        items.select('input.member-role')
-	            .property('value', function(d) { return d.role; })
-	            .on('blur', changeRole)
-	            .on('change', changeRole);
-
-	        items.select('button.member-delete')
-	            .on('click', deleteMember);
-
-	        var dragOrigin, targetIndex;
-
-	        items.call(d3_drag()
-	            .on('start', function() {
-	                dragOrigin = {
-	                    x: event.x,
-	                    y: event.y
-	                };
-	                targetIndex = null;
-	            })
-	            .on('drag', function(d, index) {
-	                var x = event.x - dragOrigin.x,
-	                    y = event.y - dragOrigin.y;
-
-	                if (!select(this).classed('dragging') &&
-	                    // don't display drag until dragging beyond a distance threshold
-	                    Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)) <= 5) return;
-
-	                select(this)
-	                    .classed('dragging', true);
-
-	                targetIndex = null;
-
-	                selection.selectAll('li.member-row')
-	                    .style('transform', function(d2, index2) {
-	                        var node = select(this).node();
-	                        if (index === index2) {
-	                            return 'translate(' + x + 'px, ' + y + 'px)';
-	                        } else if (index2 > index && event.y > node.offsetTop) {
-	                            if (targetIndex === null || index2 > targetIndex) {
-	                                targetIndex = index2;
-	                            }
-	                            return 'translateY(-100%)';
-	                        } else if (index2 < index && event.y < node.offsetTop + node.offsetHeight) {
-	                            if (targetIndex === null || index2 < targetIndex) {
-	                                targetIndex = index2;
-	                            }
-	                            return 'translateY(100%)';
-	                        }
-	                        return null;
-	                    });
-	            })
-	            .on('end', function(d, index) {
-
-	                if (!select(this).classed('dragging')) {
-	                    return;
-	                }
-
-	                select(this)
-	                    .classed('dragging', false);
-
-	                selection.selectAll('li.member-row')
-	                    .style('transform', null);
-
-	                if (targetIndex !== null) {
-	                    // dragged to a new position, reorder
-	                    context.perform(
-	                        actionMoveMember(d.relation.id, index, targetIndex),
-	                        _t('operations.reorder_members.annotation')
-	                    );
-	                }
-	            })
-	        );
-
-
-
-	        function bindTypeahead(d) {
-	            var row = select(this);
-	            var role = row.selectAll('input.member-role');
-	            var origValue = role.property('value');
-
-	            function sort(value, data) {
-	                var sameletter = [];
-	                var other = [];
-	                for (var i = 0; i < data.length; i++) {
-	                    if (data[i].value.substring(0, value.length) === value) {
-	                        sameletter.push(data[i]);
-	                    } else {
-	                        other.push(data[i]);
-	                    }
-	                }
-	                return sameletter.concat(other);
-	            }
-
-	            role.call(uiCombobox(context, 'member-role')
-	                .fetcher(function(role, callback) {
-	                    // The `geometry` param is used in the `taginfo.js` interface for
-	                    // filtering results, as a key into the `tag_members_fractions`
-	                    // object.  If we don't know the geometry because the member is
-	                    // not yet downloaded, it's ok to guess based on type.
-	                    var geometry;
-	                    if (d.member) {
-	                        geometry = context.graph().geometry(d.member.id);
-	                    } else if (d.type === 'relation') {
-	                        geometry = 'relation';
-	                    } else if (d.type === 'way') {
-	                        geometry = 'line';
-	                    } else {
-	                        geometry = 'point';
-	                    }
-
-	                    var rtype = entity.tags.type;
-	                    taginfo.roles({
-	                        debounce: true,
-	                        rtype: rtype || '',
-	                        geometry: geometry,
-	                        query: role
-	                    }, function(err, data) {
-	                        if (!err) callback(sort(role, data));
-	                    });
-	                })
-	                .on('cancel', function() {
-	                    role.property('value', origValue);
-	                })
-	            );
-	        }
-
-
-	        function unbind() {
-	            var row = select(this);
-
-	            row.selectAll('input.member-role')
-	                .call(uiCombobox.off, context);
-	        }
-	    }
-
-	    section.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        return section;
-	    };
-
-
-	    return section;
-	}
-
-	function uiSectionRawMembershipEditor(context) {
-
-	    var section = uiSection('raw-membership-editor', context)
-	        .shouldDisplay(function() {
-	            return _entityIDs && _entityIDs.length === 1;
-	        })
-	        .title(function() {
-	            var entity = context.hasEntity(_entityIDs[0]);
-	            if (!entity) return '';
-
-	            var parents = context.graph().parentRelations(entity);
-	            var gt = parents.length > _maxMemberships ? '>' : '';
-	            var count = gt + parents.slice(0, _maxMemberships).length;
-	            return _t('inspector.title_count', { title: _t('inspector.relations'), count: count });
-	        })
-	        .disclosureContent(renderDisclosureContent);
-
-	    var taginfo = services.taginfo;
-	    var nearbyCombo = uiCombobox(context, 'parent-relation')
-	        .minItems(1)
-	        .fetcher(fetchNearbyRelations)
-	        .itemsMouseEnter(function(d) {
-	            if (d.relation) utilHighlightEntities([d.relation.id], true, context);
-	        })
-	        .itemsMouseLeave(function(d) {
-	            if (d.relation) utilHighlightEntities([d.relation.id], false, context);
-	        });
-	    var _inChange = false;
-	    var _entityIDs = [];
-	    var _showBlank;
-	    var _maxMemberships = 1000;
-
-	    function selectRelation(d) {
-	        event.preventDefault();
-
-	        // remove the hover-highlight styling
-	        utilHighlightEntities([d.relation.id], false, context);
-
-	        context.enter(modeSelect(context, [d.relation.id]));
-	    }
-
-	    function zoomToRelation(d) {
-	        event.preventDefault();
-
-	        var entity = context.entity(d.relation.id);
-	        context.map().zoomToEase(entity);
-
-	        // highlight the relation in case it wasn't previously on-screen
-	        utilHighlightEntities([d.relation.id], true, context);
-	    }
-
-
-	    function changeRole(d) {
-	        if (d === 0) return;    // called on newrow (shoudn't happen)
-	        if (_inChange) return;  // avoid accidental recursive call #5731
-
-	        var oldRole = d.member.role;
-	        var newRole = context.cleanRelationRole(select(this).property('value'));
-
-	        if (oldRole !== newRole) {
-	            _inChange = true;
-	            context.perform(
-	                actionChangeMember(d.relation.id, Object.assign({}, d.member, { role: newRole }), d.index),
-	                _t('operations.change_role.annotation')
-	            );
-	        }
-	        _inChange = false;
-	    }
-
-
-	    function addMembership(d, role) {
-	        this.blur();           // avoid keeping focus on the button
-	        _showBlank = false;
-
-	        var member = { id: _entityIDs[0], type: context.entity(_entityIDs[0]).type, role: role };
-
-	        if (d.relation) {
-	            context.perform(
-	                actionAddMember(d.relation.id, member),
-	                _t('operations.add_member.annotation')
-	            );
-
-	        } else {
-	            var relation = osmRelation();
-	            context.perform(
-	                actionAddEntity(relation),
-	                actionAddMember(relation.id, member),
-	                _t('operations.add.annotation.relation')
-	            );
-
-	            context.enter(modeSelect(context, [relation.id]).newFeature(true));
-	        }
-	    }
-
-
-	    function deleteMembership(d) {
-	        this.blur();           // avoid keeping focus on the button
-	        if (d === 0) return;   // called on newrow (shoudn't happen)
-
-	        // remove the hover-highlight styling
-	        utilHighlightEntities([d.relation.id], false, context);
-
-	        context.perform(
-	            actionDeleteMember(d.relation.id, d.index),
-	            _t('operations.delete_member.annotation')
-	        );
-	    }
-
-
-	    function fetchNearbyRelations(q, callback) {
-	        var newRelation = { relation: null, value: _t('inspector.new_relation') };
-
-	        var entityID = _entityIDs[0];
-
-	        var result = [];
-
-	        var graph = context.graph();
-
-	        function baseDisplayLabel(entity) {
-	            var matched = _mainPresetIndex.match(entity, graph);
-	            var presetName = (matched && matched.name()) || _t('inspector.relation');
-	            var entityName = utilDisplayName(entity) || '';
-
-	            return presetName + ' ' + entityName;
-	        }
-
-	        var explicitRelation = q && context.hasEntity(q.toLowerCase());
-	        if (explicitRelation && explicitRelation.type === 'relation' && explicitRelation.id !== entityID) {
-	            // loaded relation is specified explicitly, only show that
-
-	            result.push({
-	                relation: explicitRelation,
-	                value: baseDisplayLabel(explicitRelation) + ' ' + explicitRelation.id
-	            });
-	        } else {
-
-	            context.history().intersects(context.map().extent()).forEach(function(entity) {
-	                if (entity.type !== 'relation' || entity.id === entityID) return;
-
-	                var value = baseDisplayLabel(entity);
-	                if (q && (value + ' ' + entity.id).toLowerCase().indexOf(q.toLowerCase()) === -1) return;
-
-	                result.push({ relation: entity, value: value });
-	            });
-
-	            result.sort(function(a, b) {
-	                return osmRelation.creationOrder(a.relation, b.relation);
-	            });
-
-	            // Dedupe identical names by appending relation id - see #2891
-	            var dupeGroups = Object.values(utilArrayGroupBy(result, 'value'))
-	                .filter(function(v) { return v.length > 1; });
-
-	            dupeGroups.forEach(function(group) {
-	                group.forEach(function(obj) {
-	                    obj.value += ' ' + obj.relation.id;
-	                });
-	            });
-	        }
-
-	        result.forEach(function(obj) {
-	            obj.title = obj.value;
-	        });
-
-	        result.unshift(newRelation);
-	        callback(result);
-	    }
-
-	    function renderDisclosureContent(selection) {
-
-	        var entityID = _entityIDs[0];
-
-	        var entity = context.entity(entityID);
-	        var parents = context.graph().parentRelations(entity);
-
-	        var memberships = [];
-
-	        parents.slice(0, _maxMemberships).forEach(function(relation) {
-	            relation.members.forEach(function(member, index) {
-	                if (member.id === entity.id) {
-	                    memberships.push({
-	                        relation: relation,
-	                        member: member,
-	                        index: index,
-	                        domId: utilUniqueDomId(entityID + '-membership-' + relation.id + '-' + index)
-	                    });
-	                }
-	            });
-	        });
-
-	        var list = selection.selectAll('.member-list')
-	            .data([0]);
-
-	        list = list.enter()
-	            .append('ul')
-	            .attr('class', 'member-list')
-	            .merge(list);
-
-
-	        var items = list.selectAll('li.member-row-normal')
-	            .data(memberships, function(d) {
-	                return osmEntity.key(d.relation) + ',' + d.index;
-	            });
-
-	        items.exit()
-	            .each(unbind)
-	            .remove();
-
-	        // Enter
-	        var itemsEnter = items.enter()
-	            .append('li')
-	            .attr('class', 'member-row member-row-normal form-field');
-
-	        // highlight the relation in the map while hovering on the list item
-	        itemsEnter.on('mouseover', function(d) {
-	                utilHighlightEntities([d.relation.id], true, context);
-	            })
-	            .on('mouseout', function(d) {
-	                utilHighlightEntities([d.relation.id], false, context);
-	            });
-
-	        var labelEnter = itemsEnter
-	            .append('label')
-	            .attr('class', 'field-label')
-	            .attr('for', function(d) {
-	                return d.domId;
-	            });
-
-	        var labelLink = labelEnter
-	            .append('span')
-	            .attr('class', 'label-text')
-	            .append('a')
-	            .attr('href', '#')
-	            .on('click', selectRelation);
-
-	        labelLink
-	            .append('span')
-	            .attr('class', 'member-entity-type')
-	            .text(function(d) {
-	                var matched = _mainPresetIndex.match(d.relation, context.graph());
-	                return (matched && matched.name()) || _t('inspector.relation');
-	            });
-
-	        labelLink
-	            .append('span')
-	            .attr('class', 'member-entity-name')
-	            .text(function(d) { return utilDisplayName(d.relation); });
-
-	        labelEnter
-	            .append('button')
-	            .attr('tabindex', -1)
-	            .attr('class', 'remove member-delete')
-	            .call(svgIcon('#iD-operation-delete'))
-	            .on('click', deleteMembership);
-
-	        labelEnter
-	            .append('button')
-	            .attr('class', 'member-zoom')
-	            .attr('title', _t('icons.zoom_to'))
-	            .call(svgIcon('#iD-icon-framed-dot', 'monochrome'))
-	            .on('click', zoomToRelation);
-
-	        var wrapEnter = itemsEnter
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-member');
-
-	        wrapEnter
-	            .append('input')
-	            .attr('class', 'member-role')
-	            .attr('id', function(d) {
-	                return d.domId;
-	            })
-	            .property('type', 'text')
-	            .attr('placeholder', _t('inspector.role'))
-	            .call(utilNoAuto)
-	            .property('value', function(d) { return d.member.role; })
-	            .on('blur', changeRole)
-	            .on('change', changeRole);
-
-	        if (taginfo) {
-	            wrapEnter.each(bindTypeahead);
-	        }
-
-
-	        var newMembership = list.selectAll('.member-row-new')
-	            .data(_showBlank ? [0] : []);
-
-	        // Exit
-	        newMembership.exit()
-	            .remove();
-
-	        // Enter
-	        var newMembershipEnter = newMembership.enter()
-	            .append('li')
-	            .attr('class', 'member-row member-row-new form-field');
-
-	        var newLabelEnter = newMembershipEnter
-	            .append('label')
-	            .attr('class', 'field-label');
-
-	        newLabelEnter
-	            .append('input')
-	            .attr('placeholder', _t('inspector.choose_relation'))
-	            .attr('type', 'text')
-	            .attr('class', 'member-entity-input')
-	            .call(utilNoAuto);
-
-	        newLabelEnter
-	            .append('button')
-	            .attr('tabindex', -1)
-	            .attr('class', 'remove member-delete')
-	            .call(svgIcon('#iD-operation-delete'))
-	            .on('click', function() {
-	                list.selectAll('.member-row-new')
-	                    .remove();
-	            });
-
-	        var newWrapEnter = newMembershipEnter
-	            .append('div')
-	            .attr('class', 'form-field-input-wrap form-field-input-member');
-
-	        newWrapEnter
-	            .append('input')
-	            .attr('class', 'member-role')
-	            .property('type', 'text')
-	            .attr('placeholder', _t('inspector.role'))
-	            .call(utilNoAuto);
-
-	        // Update
-	        newMembership = newMembership
-	            .merge(newMembershipEnter);
-
-	        newMembership.selectAll('.member-entity-input')
-	            .on('blur', cancelEntity)   // if it wasn't accepted normally, cancel it
-	            .call(nearbyCombo
-	                .on('accept', acceptEntity)
-	                .on('cancel', cancelEntity)
-	            );
-
-
-	        // Container for the Add button
-	        var addRow = selection.selectAll('.add-row')
-	            .data([0]);
-
-	        // enter
-	        var addRowEnter = addRow.enter()
-	            .append('div')
-	            .attr('class', 'add-row');
-
-	        var addRelationButton = addRowEnter
-	            .append('button')
-	            .attr('class', 'add-relation');
-
-	        addRelationButton
-	            .call(svgIcon('#iD-icon-plus', 'light'));
-	        addRelationButton
-	            .call(uiTooltip().title(_t('inspector.add_to_relation')).placement(_mainLocalizer.textDirection() === 'ltr' ? 'right' : 'left'));
-
-	        addRowEnter
-	            .append('div')
-	            .attr('class', 'space-value');   // preserve space
-
-	        addRowEnter
-	            .append('div')
-	            .attr('class', 'space-buttons');  // preserve space
-
-	        // update
-	        addRow = addRow
-	            .merge(addRowEnter);
-
-	        addRow.select('.add-relation')
-	            .on('click', function() {
-	                _showBlank = true;
-	                section.reRender();
-	                list.selectAll('.member-entity-input').node().focus();
-	            });
-
-
-	        function acceptEntity(d) {
-	            if (!d) {
-	                cancelEntity();
-	                return;
-	            }
-	            // remove hover-higlighting
-	            if (d.relation) utilHighlightEntities([d.relation.id], false, context);
-
-	            var role = context.cleanRelationRole(list.selectAll('.member-row-new .member-role').property('value'));
-	            addMembership(d, role);
-	        }
-
-
-	        function cancelEntity() {
-	            var input = newMembership.selectAll('.member-entity-input');
-	            input.property('value', '');
-
-	            // remove hover-higlighting
-	            context.surface().selectAll('.highlighted')
-	                .classed('highlighted', false);
-	        }
-
-
-	        function bindTypeahead(d) {
-	            var row = select(this);
-	            var role = row.selectAll('input.member-role');
-	            var origValue = role.property('value');
-
-	            function sort(value, data) {
-	                var sameletter = [];
-	                var other = [];
-	                for (var i = 0; i < data.length; i++) {
-	                    if (data[i].value.substring(0, value.length) === value) {
-	                        sameletter.push(data[i]);
-	                    } else {
-	                        other.push(data[i]);
-	                    }
-	                }
-	                return sameletter.concat(other);
-	            }
-
-	            role.call(uiCombobox(context, 'member-role')
-	                .fetcher(function(role, callback) {
-	                    var rtype = d.relation.tags.type;
-	                    taginfo.roles({
-	                        debounce: true,
-	                        rtype: rtype || '',
-	                        geometry: context.graph().geometry(entityID),
-	                        query: role
-	                    }, function(err, data) {
-	                        if (!err) callback(sort(role, data));
-	                    });
-	                })
-	                .on('cancel', function() {
-	                    role.property('value', origValue);
-	                })
-	            );
-	        }
-
-
-	        function unbind() {
-	            var row = select(this);
-
-	            row.selectAll('input.member-role')
-	                .call(uiCombobox.off, context);
-	        }
-	    }
-
-
-	    section.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        _showBlank = false;
-	        return section;
-	    };
-
-
-	    return section;
-	}
-
-	function uiSectionSelectionList(context) {
-
-	    var _selectedIDs = [];
-
-	    var section = uiSection('selected-features', context)
-	        .shouldDisplay(function() {
-	            return _selectedIDs.length > 1;
-	        })
-	        .title(function() {
-	            return _t('inspector.title_count', { title: _t('inspector.features'), count: _selectedIDs.length });
-	        })
-	        .disclosureContent(renderDisclosureContent);
-
-	    context.history()
-	        .on('change.selectionList', function(difference) {
-	            if (difference) {
-	                section.reRender();
-	            }
-	        });
-
-	    section.entityIDs = function(val) {
-	        if (!arguments.length) return _selectedIDs;
-	        _selectedIDs = val;
-	        return section;
-	    };
-
-	    function selectEntity(entity) {
-	        context.enter(modeSelect(context, [entity.id]));
-	    }
-
-	    function deselectEntity(entity) {
-	        event.stopPropagation();
-
-	        var selectedIDs = _selectedIDs.slice();
-	        var index = selectedIDs.indexOf(entity.id);
-	        if (index > -1) {
-	            selectedIDs.splice(index, 1);
-	            context.enter(modeSelect(context, selectedIDs));
-	        }
-	    }
-
-	    function renderDisclosureContent(selection) {
-
-	        var list = selection.selectAll('.feature-list')
-	            .data([0]);
-
-	        list = list.enter()
-	            .append('div')
-	            .attr('class', 'feature-list')
-	            .merge(list);
-
-	        var entities = _selectedIDs
-	            .map(function(id) { return context.hasEntity(id); })
-	            .filter(Boolean);
-
-	        var items = list.selectAll('.feature-list-item')
-	            .data(entities, osmEntity.key);
-
-	        items.exit()
-	            .remove();
-
-	        // Enter
-	        var enter = items.enter()
-	            .append('div')
-	            .attr('class', 'feature-list-item')
-	            .on('click', selectEntity);
-
-	        enter
-	            .each(function(d) {
-	                select(this).on('mouseover', function() {
-	                    utilHighlightEntities([d.id], true, context);
-	                });
-	                select(this).on('mouseout', function() {
-	                    utilHighlightEntities([d.id], false, context);
-	                });
-	            });
-
-	        var label = enter
-	            .append('button')
-	            .attr('class', 'label');
-
-	        enter
-	            .append('button')
-	            .attr('class', 'close')
-	            .attr('title', _t('icons.deselect'))
-	            .on('click', deselectEntity)
-	            .call(svgIcon('#iD-icon-close'));
-
-	        label
-	            .append('span')
-	            .attr('class', 'entity-geom-icon')
-	            .call(svgIcon('', 'pre-text'));
-
-	        label
-	            .append('span')
-	            .attr('class', 'entity-type');
-
-	        label
-	            .append('span')
-	            .attr('class', 'entity-name');
-
-	        // Update
-	        items = items.merge(enter);
-
-	        items.selectAll('.entity-geom-icon use')
-	            .attr('href', function() {
-	                var entity = this.parentNode.parentNode.__data__;
-	                return '#iD-icon-' + entity.geometry(context.graph());
-	            });
-
-	        items.selectAll('.entity-type')
-	            .text(function(entity) { return _mainPresetIndex.match(entity, context.graph()).name(); });
-
-	        items.selectAll('.entity-name')
-	            .text(function(d) {
-	                // fetch latest entity
-	                var entity = context.entity(d.id);
-	                return utilDisplayName(entity);
-	            });
-	    }
-
-	    return section;
-	}
-
-	function uiEntityEditor(context) {
-	    var dispatch$1 = dispatch('choose');
-	    var _state = 'select';
-	    var _coalesceChanges = false;
-	    var _modified = false;
-	    var _base;
-	    var _entityIDs;
-	    var _activePresets = [];
-	    var _newFeature;
-
-	    var _sections;
-
-	    function entityEditor(selection) {
-
-	        var combinedTags = utilCombinedTags(_entityIDs, context.graph());
-
-	        // Header
-	        var header = selection.selectAll('.header')
-	            .data([0]);
-
-	        // Enter
-	        var headerEnter = header.enter()
-	            .append('div')
-	            .attr('class', 'header fillL cf');
-
-	        headerEnter
-	            .append('button')
-	            .attr('class', 'preset-reset preset-choose')
-	            .call(svgIcon((_mainLocalizer.textDirection() === 'rtl') ? '#iD-icon-forward' : '#iD-icon-backward'));
-
-	        headerEnter
-	            .append('button')
-	            .attr('class', 'close')
-	            .on('click', function() { context.enter(modeBrowse(context)); })
-	            .call(svgIcon(_modified ? '#iD-icon-apply' : '#iD-icon-close'));
-
-	        headerEnter
-	            .append('h3');
-
-	        // Update
-	        header = header
-	            .merge(headerEnter);
-
-	        header.selectAll('h3')
-	            .text(_entityIDs.length === 1 ? _t('inspector.edit') : _t('inspector.edit_features'));
-
-	        header.selectAll('.preset-reset')
-	            .on('click', function() {
-	                dispatch$1.call('choose', this, _activePresets);
-	            });
-
-	        // Body
-	        var body = selection.selectAll('.inspector-body')
-	            .data([0]);
-
-	        // Enter
-	        var bodyEnter = body.enter()
-	            .append('div')
-	            .attr('class', 'entity-editor inspector-body sep-top');
-
-	        // Update
-	        body = body
-	            .merge(bodyEnter);
-
-	        if (!_sections) {
-	            _sections = [
-	                uiSectionSelectionList(context),
-	                uiSectionFeatureType(context).on('choose', function(presets) {
-	                    dispatch$1.call('choose', this, presets);
-	                }),
-	                uiSectionEntityIssues(context),
-	                uiSectionPresetFields(context).on('change', changeTags).on('revert', revertTags),
-	                uiSectionRawTagEditor('raw-tag-editor', context).on('change', changeTags),
-	                uiSectionRawMemberEditor(context),
-	                uiSectionRawMembershipEditor(context)
-	            ];
-	        }
-
-	        _sections.forEach(function(section) {
-	            if (section.entityIDs) {
-	                section.entityIDs(_entityIDs);
-	            }
-	            if (section.presets) {
-	                section.presets(_activePresets);
-	            }
-	            if (section.tags) {
-	                section.tags(combinedTags);
-	            }
-	            if (section.state) {
-	                section.state(_state);
-	            }
-	            body.call(section.render);
-	        });
-
-	        body
-	            .selectAll('.key-trap-wrap')
-	            .data([0])
-	            .enter()
-	            .append('div')
-	            .attr('class', 'key-trap-wrap')
-	            .append('input')
-	            .attr('type', 'text')
-	            .attr('class', 'key-trap')
-	            .on('keydown.key-trap', function() {
-	                // On tabbing, send focus back to the first field on the inspector-body
-	                // (probably the `name` field) #4159
-	                if (event.keyCode === 9 && !event.shiftKey) {
-	                    event.preventDefault();
-	                    body.select('input').node().focus();
-	                }
-	            });
-
-	        context.history()
-	            .on('change.entity-editor', historyChanged);
-
-	        function historyChanged(difference) {
-	            if (selection.selectAll('.entity-editor').empty()) return;
-	            if (_state === 'hide') return;
-	            var significant = !difference ||
-	                    difference.didChange.properties ||
-	                    difference.didChange.addition ||
-	                    difference.didChange.deletion;
-	            if (!significant) return;
-
-	            _entityIDs = _entityIDs.filter(context.hasEntity);
-	            if (!_entityIDs.length) return;
-
-	            var priorActivePreset = _activePresets.length === 1 && _activePresets[0];
-
-	            loadActivePresets();
-
-	            var graph = context.graph();
-	            entityEditor.modified(_base !== graph);
-	            entityEditor(selection);
-
-	            if (priorActivePreset && _activePresets.length === 1 && priorActivePreset !== _activePresets[0]) {
-	                // flash the button to indicate the preset changed
-	                context.container().selectAll('.entity-editor button.preset-reset .label')
-	                    .style('background-color', '#fff')
-	                    .transition()
-	                    .duration(750)
-	                    .style('background-color', null);
-	            }
-	        }
-	    }
-
-
-	    // Tag changes that fire on input can all get coalesced into a single
-	    // history operation when the user leaves the field.  #2342
-	    // Use explicit entityIDs in case the selection changes before the event is fired.
-	    function changeTags(entityIDs, changed, onInput) {
-
-	        var actions = [];
-	        for (var i in entityIDs) {
-	            var entityID = entityIDs[i];
-	            var entity = context.entity(entityID);
-
-	            var tags = Object.assign({}, entity.tags);   // shallow copy
-
-	            for (var k in changed) {
-	                if (!k) continue;
-	                var v = changed[k];
-	                if (v !== undefined || tags.hasOwnProperty(k)) {
-	                    tags[k] = v;
-	                }
-	            }
-
-	            if (!onInput) {
-	                tags = utilCleanTags(tags);
-	            }
-
-	            if (!fastDeepEqual(entity.tags, tags)) {
-	                actions.push(actionChangeTags(entityID, tags));
-	            }
-	        }
-
-	        if (actions.length) {
-	            var combinedAction = function(graph) {
-	                actions.forEach(function(action) {
-	                    graph = action(graph);
-	                });
-	                return graph;
-	            };
-
-	            var annotation = _t('operations.change_tags.annotation');
-
-	            if (_coalesceChanges) {
-	                context.overwrite(combinedAction, annotation);
-	            } else {
-	                context.perform(combinedAction, annotation);
-	                _coalesceChanges = !!onInput;
-	            }
-	        }
-
-	        // if leaving field (blur event), rerun validation
-	        if (!onInput) {
-	            context.validator().validate();
-	        }
-	    }
-
-	    function revertTags(keys) {
-
-	        var actions = [];
-	        for (var i in _entityIDs) {
-	            var entityID = _entityIDs[i];
-
-	            var original = context.graph().base().entities[entityID];
-	            var changed = {};
-	            for (var j in keys) {
-	                var key = keys[j];
-	                changed[key] = original ? original.tags[key] : undefined;
-	            }
-
-	            var entity = context.entity(entityID);
-	            var tags = Object.assign({}, entity.tags);   // shallow copy
-
-	            for (var k in changed) {
-	                if (!k) continue;
-	                var v = changed[k];
-	                if (v !== undefined || tags.hasOwnProperty(k)) {
-	                    tags[k] = v;
-	                }
-	            }
-
-
-	            tags = utilCleanTags(tags);
-
-	            if (!fastDeepEqual(entity.tags, tags)) {
-	                actions.push(actionChangeTags(entityID, tags));
-	            }
-
-	        }
-
-	        if (actions.length) {
-	            var combinedAction = function(graph) {
-	                actions.forEach(function(action) {
-	                    graph = action(graph);
-	                });
-	                return graph;
-	            };
-
-	            var annotation = _t('operations.change_tags.annotation');
-
-	            if (_coalesceChanges) {
-	                context.overwrite(combinedAction, annotation);
-	            } else {
-	                context.perform(combinedAction, annotation);
-	                _coalesceChanges = false;
-	            }
-	        }
-
-	        context.validator().validate();
-	    }
-
-
-	    entityEditor.modified = function(val) {
-	        if (!arguments.length) return _modified;
-	        _modified = val;
-	        return entityEditor;
-	    };
-
-
-	    entityEditor.state = function(val) {
-	        if (!arguments.length) return _state;
-	        _state = val;
-	        return entityEditor;
-	    };
-
-
-	    entityEditor.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        if (val && _entityIDs && utilArrayIdentical(_entityIDs, val)) return entityEditor;  // exit early if no change
-
-	        _entityIDs = val;
-	        _base = context.graph();
-	        _coalesceChanges = false;
-
-	        loadActivePresets();
-
-	        return entityEditor
-	            .modified(false);
-	    };
-
-
-	    entityEditor.newFeature = function(val) {
-	        if (!arguments.length) return _newFeature;
-	        _newFeature = val;
-	        return entityEditor;
-	    };
-
-
-	    function loadActivePresets() {
-
-	        var graph = context.graph();
-
-	        var counts = {};
-
-	        for (var i in _entityIDs) {
-	            var entity = graph.hasEntity(_entityIDs[i]);
-	            if (!entity) return;
-
-	            var match = _mainPresetIndex.match(entity, graph);
-
-	            if (!counts[match.id]) counts[match.id] = 0;
-	            counts[match.id] += 1;
-	        }
-
-	        var matches = Object.keys(counts).sort(function(p1, p2) {
-	            return counts[p2] - counts[p1];
-	        }).map(function(pID) {
-	            return _mainPresetIndex.item(pID);
-	        });
-
-	        // A "weak" preset doesn't set any tags. (e.g. "Address")
-	        var weakPreset = _activePresets.length === 1 &&
-	            Object.keys(_activePresets[0].addTags || {}).length === 0;
-	        // Don't replace a weak preset with a fallback preset (e.g. "Point")
-	        if (weakPreset && matches.length === 1 && matches[0].isFallback()) return;
-
-	        entityEditor.presets(matches);
-	    }
-
-	    entityEditor.presets = function(val) {
-	        if (!arguments.length) return _activePresets;
-
-	        // don't reload the same preset
-	        if (!utilArrayIdentical(val, _activePresets)) {
-	            _activePresets = val;
-	        }
-	        return entityEditor;
-	    };
-
-	    return utilRebind(entityEditor, dispatch$1, 'on');
-	}
-
-	function uiPresetList(context) {
-	    var dispatch$1 = dispatch('cancel', 'choose');
-	    var _entityIDs;
-	    var _currentPresets;
-	    var _autofocus = false;
-
-
-	    function presetList(selection) {
-	        if (!_entityIDs) return;
-
-	        var presets = _mainPresetIndex.matchAllGeometry(entityGeometries());
-
-	        selection.html('');
-
-	        var messagewrap = selection
-	            .append('div')
-	            .attr('class', 'header fillL');
-
-	        var message = messagewrap
-	            .append('h3')
-	            .text(_t('inspector.choose'));
-
-	        messagewrap
-	            .append('button')
-	            .attr('class', 'preset-choose')
-	            .on('click', function() { dispatch$1.call('cancel', this); })
-	            .call(svgIcon((_mainLocalizer.textDirection() === 'rtl') ? '#iD-icon-backward' : '#iD-icon-forward'));
-
-	        function initialKeydown() {
-	            // hack to let delete shortcut work when search is autofocused
-	            if (search.property('value').length === 0 &&
-	                (event.keyCode === utilKeybinding.keyCodes['⌫'] ||
-	                 event.keyCode === utilKeybinding.keyCodes['⌦'])) {
-	                event.preventDefault();
-	                event.stopPropagation();
-	                operationDelete(context, _entityIDs)();
-
-	            // hack to let undo work when search is autofocused
-	            } else if (search.property('value').length === 0 &&
-	                (event.ctrlKey || event.metaKey) &&
-	                event.keyCode === utilKeybinding.keyCodes.z) {
-	                event.preventDefault();
-	                event.stopPropagation();
-	                context.undo();
-	            } else if (!event.ctrlKey && !event.metaKey) {
-	                // don't check for delete/undo hack on future keydown events
-	                select(this).on('keydown', keydown);
-	                keydown.call(this);
-	            }
-	        }
-
-	        function keydown() {
-	            // down arrow
-	            if (event.keyCode === utilKeybinding.keyCodes['↓'] &&
-	                // if insertion point is at the end of the string
-	                search.node().selectionStart === search.property('value').length) {
-	                event.preventDefault();
-	                event.stopPropagation();
-	                // move focus to the first item in the preset list
-	                var buttons = list.selectAll('.preset-list-button');
-	                if (!buttons.empty()) buttons.nodes()[0].focus();
-	            }
-	        }
-
-	        function keypress() {
-	            // enter
-	            var value = search.property('value');
-	            if (event.keyCode === 13 && value.length) {
-	                list.selectAll('.preset-list-item:first-child')
-	                    .each(function(d) { d.choose.call(this); });
-	            }
-	        }
-
-	        function inputevent() {
-	            var value = search.property('value');
-	            list.classed('filtered', value.length);
-	            var extent = combinedEntityExtent();
-	            var results, messageText;
-	            if (value.length && extent) {
-	                var center = extent.center();
-	                var countryCode = iso1A2Code(center);
-
-	                results = presets.search(value, entityGeometries()[0], countryCode && countryCode.toLowerCase());
-	                messageText = _t('inspector.results', {
-	                    n: results.collection.length,
-	                    search: value
-	                });
-	            } else {
-	                results = _mainPresetIndex.defaults(entityGeometries()[0], 36, !context.inIntro());
-	                messageText = _t('inspector.choose');
-	            }
-	            list.call(drawList, results);
-	            message.text(messageText);
-	        }
-
-	        var searchWrap = selection
-	            .append('div')
-	            .attr('class', 'search-header');
-
-	        var search = searchWrap
-	            .append('input')
-	            .attr('class', 'preset-search-input')
-	            .attr('placeholder', _t('inspector.search'))
-	            .attr('type', 'search')
-	            .call(utilNoAuto)
-	            .on('keydown', initialKeydown)
-	            .on('keypress', keypress)
-	            .on('input', inputevent);
-
-	        searchWrap
-	            .call(svgIcon('#iD-icon-search', 'pre-text'));
-
-	        if (_autofocus) {
-	            search.node().focus();
-	        }
-
-	        var listWrap = selection
-	            .append('div')
-	            .attr('class', 'inspector-body');
-
-	        var list = listWrap
-	            .append('div')
-	            .attr('class', 'preset-list')
-	            .call(drawList, _mainPresetIndex.defaults(entityGeometries()[0], 36, !context.inIntro()));
-
-	        context.features().on('change.preset-list', updateForFeatureHiddenState);
-	    }
-
-
-	    function drawList(list, presets) {
-	        presets = presets.matchAllGeometry(entityGeometries());
-	        var collection = presets.collection.reduce(function(collection, preset) {
-	            if (!preset) return collection;
-
-	            if (preset.members) {
-	                if (preset.members.collection.filter(function(preset) {
-	                    return preset.addable();
-	                }).length > 1) {
-	                    collection.push(CategoryItem(preset));
-	                }
-	            } else if (preset.addable()) {
-	                collection.push(PresetItem(preset));
-	            }
-	            return collection;
-	        }, []);
-
-	        var items = list.selectAll('.preset-list-item')
-	            .data(collection, function(d) { return d.preset.id; });
-
-	        items.order();
-
-	        items.exit()
-	            .remove();
-
-	        items.enter()
-	            .append('div')
-	            .attr('class', function(item) { return 'preset-list-item preset-' + item.preset.id.replace('/', '-'); })
-	            .classed('current', function(item) { return _currentPresets.indexOf(item.preset) !== -1; })
-	            .each(function(item) { select(this).call(item); })
-	            .style('opacity', 0)
-	            .transition()
-	            .style('opacity', 1);
-
-	        updateForFeatureHiddenState();
-	    }
-
-	    function itemKeydown(){
-	        // the actively focused item
-	        var item = select(this.closest('.preset-list-item'));
-	        var parentItem = select(item.node().parentNode.closest('.preset-list-item'));
-
-	        // arrow down, move focus to the next, lower item
-	        if (event.keyCode === utilKeybinding.keyCodes['↓']) {
-	            event.preventDefault();
-	            event.stopPropagation();
-	            // the next item in the list at the same level
-	            var nextItem = select(item.node().nextElementSibling);
-	            // if there is no next item in this list
-	            if (nextItem.empty()) {
-	                // if there is a parent item
-	                if (!parentItem.empty()) {
-	                    // the item is the last item of a sublist,
-	                    // select the next item at the parent level
-	                    nextItem = select(parentItem.node().nextElementSibling);
-	                }
-	            // if the focused item is expanded
-	            } else if (select(this).classed('expanded')) {
-	                // select the first subitem instead
-	                nextItem = item.select('.subgrid .preset-list-item:first-child');
-	            }
-	            if (!nextItem.empty()) {
-	                // focus on the next item
-	                nextItem.select('.preset-list-button').node().focus();
-	            }
-
-	        // arrow up, move focus to the previous, higher item
-	        } else if (event.keyCode === utilKeybinding.keyCodes['↑']) {
-	            event.preventDefault();
-	            event.stopPropagation();
-	            // the previous item in the list at the same level
-	            var previousItem = select(item.node().previousElementSibling);
-
-	            // if there is no previous item in this list
-	            if (previousItem.empty()) {
-	                // if there is a parent item
-	                if (!parentItem.empty()) {
-	                    // the item is the first subitem of a sublist select the parent item
-	                    previousItem = parentItem;
-	                }
-	            // if the previous item is expanded
-	            } else if (previousItem.select('.preset-list-button').classed('expanded')) {
-	                // select the last subitem of the sublist of the previous item
-	                previousItem = previousItem.select('.subgrid .preset-list-item:last-child');
-	            }
-
-	            if (!previousItem.empty()) {
-	                // focus on the previous item
-	                previousItem.select('.preset-list-button').node().focus();
-	            } else {
-	                // the focus is at the top of the list, move focus back to the search field
-	                var search = select(this.closest('.preset-list-pane')).select('.preset-search-input');
-	                search.node().focus();
-	            }
-
-	        // arrow left, move focus to the parent item if there is one
-	        } else if (event.keyCode === utilKeybinding.keyCodes[(_mainLocalizer.textDirection() === 'rtl') ? '→' : '←']) {
-	            event.preventDefault();
-	            event.stopPropagation();
-	            // if there is a parent item, focus on the parent item
-	            if (!parentItem.empty()) {
-	                parentItem.select('.preset-list-button').node().focus();
-	            }
-
-	        // arrow right, choose this item
-	        } else if (event.keyCode === utilKeybinding.keyCodes[(_mainLocalizer.textDirection() === 'rtl') ? '←' : '→']) {
-	            event.preventDefault();
-	            event.stopPropagation();
-	            item.datum().choose.call(select(this).node());
-	        }
-	    }
-
-
-	    function CategoryItem(preset) {
-	        var box, sublist, shown = false;
-
-	        function item(selection) {
-	            var wrap = selection.append('div')
-	                .attr('class', 'preset-list-button-wrap category');
-
-	            function click() {
-	                var isExpanded = select(this).classed('expanded');
-	                var iconName = isExpanded ?
-	                    (_mainLocalizer.textDirection() === 'rtl' ? '#iD-icon-backward' : '#iD-icon-forward') : '#iD-icon-down';
-	                select(this)
-	                    .classed('expanded', !isExpanded);
-	                select(this).selectAll('div.label-inner svg.icon use')
-	                    .attr('href', iconName);
-	                item.choose();
-	            }
-
-	            var geometries = entityGeometries();
-
-	            var button = wrap
-	                .append('button')
-	                .attr('class', 'preset-list-button')
-	                .classed('expanded', false)
-	                .call(uiPresetIcon()
-	                    .geometry(geometries.length === 1 && geometries[0])
-	                    .preset(preset))
-	                .on('click', click)
-	                .on('keydown', function() {
-	                    // right arrow, expand the focused item
-	                    if (event.keyCode === utilKeybinding.keyCodes[(_mainLocalizer.textDirection() === 'rtl') ? '←' : '→']) {
-	                        event.preventDefault();
-	                        event.stopPropagation();
-	                        // if the item isn't expanded
-	                        if (!select(this).classed('expanded')) {
-	                            // toggle expansion (expand the item)
-	                            click.call(this);
-	                        }
-	                    // left arrow, collapse the focused item
-	                    } else if (event.keyCode === utilKeybinding.keyCodes[(_mainLocalizer.textDirection() === 'rtl') ? '→' : '←']) {
-	                        event.preventDefault();
-	                        event.stopPropagation();
-	                        // if the item is expanded
-	                        if (select(this).classed('expanded')) {
-	                            // toggle expansion (collapse the item)
-	                            click.call(this);
-	                        }
-	                    } else {
-	                        itemKeydown.call(this);
-	                    }
-	                });
-
-	            var label = button
-	                .append('div')
-	                .attr('class', 'label')
-	                .append('div')
-	                .attr('class', 'label-inner');
-
-	            label
-	                .append('div')
-	                .attr('class', 'namepart')
-	                .call(svgIcon((_mainLocalizer.textDirection() === 'rtl' ? '#iD-icon-backward' : '#iD-icon-forward'), 'inline'))
-	                .append('span')
-	                .html(function() { return preset.name() + '&hellip;'; });
-
-	            box = selection.append('div')
-	                .attr('class', 'subgrid')
-	                .style('max-height', '0px')
-	                .style('opacity', 0);
-
-	            box.append('div')
-	                .attr('class', 'arrow');
-
-	            sublist = box.append('div')
-	                .attr('class', 'preset-list fillL3');
-	        }
-
-
-	        item.choose = function() {
-	            if (!box || !sublist) return;
-
-	            if (shown) {
-	                shown = false;
-	                box.transition()
-	                    .duration(200)
-	                    .style('opacity', '0')
-	                    .style('max-height', '0px')
-	                    .style('padding-bottom', '0px');
-	            } else {
-	                shown = true;
-	                var members = preset.members.matchAllGeometry(entityGeometries());
-	                sublist.call(drawList, members);
-	                box.transition()
-	                    .duration(200)
-	                    .style('opacity', '1')
-	                    .style('max-height', 200 + members.collection.length * 190 + 'px')
-	                    .style('padding-bottom', '10px');
-	            }
-	        };
-
-	        item.preset = preset;
-	        return item;
-	    }
-
-
-	    function PresetItem(preset) {
-	        function item(selection) {
-	            var wrap = selection.append('div')
-	                .attr('class', 'preset-list-button-wrap');
-
-	            var geometries = entityGeometries();
-
-	            var button = wrap.append('button')
-	                .attr('class', 'preset-list-button')
-	                .call(uiPresetIcon()
-	                    .geometry(geometries.length === 1 && geometries[0])
-	                    .preset(preset))
-	                .on('click', item.choose)
-	                .on('keydown', itemKeydown);
-
-	            var label = button
-	                .append('div')
-	                .attr('class', 'label')
-	                .append('div')
-	                .attr('class', 'label-inner');
-
-	            // NOTE: split/join on en-dash, not a hypen (to avoid conflict with fr - nl names in Brussels etc)
-	            label.selectAll('.namepart')
-	                .data(preset.name().split(' – '))
-	                .enter()
-	                .append('div')
-	                .attr('class', 'namepart')
-	                .text(function(d) { return d; });
-
-	            wrap.call(item.reference.button);
-	            selection.call(item.reference.body);
-	        }
-
-	        item.choose = function() {
-	            if (select(this).classed('disabled')) return;
-	            if (!context.inIntro()) {
-	                _mainPresetIndex.setMostRecent(preset, entityGeometries()[0]);
-	            }
-	            context.perform(
-	                function(graph) {
-	                    for (var i in _entityIDs) {
-	                        var entityID = _entityIDs[i];
-	                        var oldPreset = _mainPresetIndex.match(graph.entity(entityID), graph);
-	                        graph = actionChangePreset(entityID, oldPreset, preset)(graph);
-	                    }
-	                    return graph;
-	                },
-	                _t('operations.change_tags.annotation')
-	            );
-
-	            context.validator().validate();  // rerun validation
-	            dispatch$1.call('choose', this, preset);
-	        };
-
-	        item.help = function() {
-	            event.stopPropagation();
-	            item.reference.toggle();
-	        };
-
-	        item.preset = preset;
-	        item.reference = uiTagReference(preset.reference(entityGeometries()[0]));
-
-	        return item;
-	    }
-
-
-	    function updateForFeatureHiddenState() {
-	        if (!_entityIDs.every(context.hasEntity)) return;
-
-	        var geometries = entityGeometries();
-	        var button = context.container().selectAll('.preset-list .preset-list-button');
-
-	        // remove existing tooltips
-	        button.call(uiTooltip().destroyAny);
-
-	        button.each(function(item, index) {
-	            var hiddenPresetFeaturesId;
-	            for (var i in geometries) {
-	                hiddenPresetFeaturesId = context.features().isHiddenPreset(item.preset, geometries[i]);
-	                if (hiddenPresetFeaturesId) break;
-	            }
-	            var isHiddenPreset = !context.inIntro() &&
-	                !!hiddenPresetFeaturesId &&
-	                (_currentPresets.length !== 1 || item.preset !== _currentPresets[0]);
-
-	            select(this)
-	                .classed('disabled', isHiddenPreset);
-
-	            if (isHiddenPreset) {
-	                var isAutoHidden = context.features().autoHidden(hiddenPresetFeaturesId);
-	                var tooltipIdSuffix = isAutoHidden ? 'zoom' : 'manual';
-	                var tooltipObj = { features: _t('feature.' + hiddenPresetFeaturesId + '.description') };
-	                select(this).call(uiTooltip()
-	                    .title(_t('inspector.hidden_preset.' + tooltipIdSuffix, tooltipObj))
-	                    .placement(index < 2 ? 'bottom' : 'top')
-	                );
-	            }
-	        });
-	    }
-
-	    presetList.autofocus = function(val) {
-	        if (!arguments.length) return _autofocus;
-	        _autofocus = val;
-	        return presetList;
-	    };
-
-	    presetList.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        if (_entityIDs && _entityIDs.length) {
-	            var presets = _entityIDs.map(function(entityID) {
-	                return _mainPresetIndex.match(context.entity(entityID), context.graph());
-	            });
-	            presetList.presets(presets);
-	        }
-	        return presetList;
-	    };
-
-	    presetList.presets = function(val) {
-	        if (!arguments.length) return _currentPresets;
-	        _currentPresets = val;
-	        return presetList;
-	    };
-
-	    function entityGeometries() {
-
-	        var counts = {};
-
-	        for (var i in _entityIDs) {
-	            var entityID = _entityIDs[i];
-	            var entity = context.entity(entityID);
-	            var geometry = entity.geometry(context.graph());
-
-	            // Treat entities on addr:interpolation lines as points, not vertices (#3241)
-	            if (geometry === 'vertex' && entity.isOnAddressLine(context.graph())) {
-	                geometry = 'point';
-	            }
-
-	            if (!counts[geometry]) counts[geometry] = 0;
-	            counts[geometry] += 1;
-	        }
-
-	        return Object.keys(counts).sort(function(geom1, geom2) {
-	            return counts[geom2] - counts[geom1];
-	        });
-	    }
-
-	    function combinedEntityExtent() {
-	        return _entityIDs.reduce(function(extent, entityID) {
-	            var entity = context.graph().entity(entityID);
-	            return extent.extend(entity.extent(context.graph()));
-	        }, geoExtent());
-	    }
-
-	    return utilRebind(presetList, dispatch$1, 'on');
-	}
-
-	function uiInspector(context) {
-	    var presetList = uiPresetList(context);
-	    var entityEditor = uiEntityEditor(context);
-	    var wrap = select(null),
-	        presetPane = select(null),
-	        editorPane = select(null);
-	    var _state = 'select';
-	    var _entityIDs;
-	    var _newFeature = false;
-
-
-	    function inspector(selection) {
-	        presetList
-	            .entityIDs(_entityIDs)
-	            .autofocus(_newFeature)
-	            .on('choose', inspector.setPreset)
-	            .on('cancel', function() {
-	                wrap.transition()
-	                    .styleTween('right', function() { return interpolate('-100%', '0%'); });
-	                editorPane.call(entityEditor);
-	            });
-
-	        entityEditor
-	            .state(_state)
-	            .entityIDs(_entityIDs)
-	            .on('choose', inspector.showList);
-
-	        wrap = selection.selectAll('.panewrap')
-	            .data([0]);
-
-	        var enter = wrap.enter()
-	            .append('div')
-	            .attr('class', 'panewrap');
-
-	        enter
-	            .append('div')
-	            .attr('class', 'preset-list-pane pane');
-
-	        enter
-	            .append('div')
-	            .attr('class', 'entity-editor-pane pane');
-
-	        wrap = wrap.merge(enter);
-	        presetPane = wrap.selectAll('.preset-list-pane');
-	        editorPane = wrap.selectAll('.entity-editor-pane');
-
-	        function shouldDefaultToPresetList() {
-	            // always show the inspector on hover
-	            if (_state !== 'select') return false;
-
-	            // can only change preset on single selection
-	            if (_entityIDs.length !== 1) return false;
-
-	            var entityID = _entityIDs[0];
-	            var entity = context.hasEntity(entityID);
-	            if (!entity) return false;
-
-	            // default to inspector if there are already tags
-	            if (entity.hasNonGeometryTags()) return false;
-
-	            // prompt to select preset if feature is new and untagged
-	            if (_newFeature) return true;
-
-	            // all existing features except vertices should default to inspector
-	            if (entity.geometry(context.graph()) !== 'vertex') return false;
-
-	            // show vertex relations if any
-	            if (context.graph().parentRelations(entity).length) return false;
-
-	            // show vertex issues if there are any
-	            if (context.validator().getEntityIssues(entityID).length) return false;
-
-	            // show turn retriction editor for junction vertices
-	            if (entity.isHighwayIntersection(context.graph())) return false;
-
-	            // otherwise show preset list for uninteresting vertices
-	            return true;
-	        }
-
-	        if (shouldDefaultToPresetList()) {
-	            wrap.style('right', '-100%');
-	            presetPane.call(presetList);
-	        } else {
-	            wrap.style('right', '0%');
-	            editorPane.call(entityEditor);
-	        }
-
-	        var footer = selection.selectAll('.footer')
-	            .data([0]);
-
-	        footer = footer.enter()
-	            .append('div')
-	            .attr('class', 'footer')
-	            .merge(footer);
-
-	        footer
-	            .call(uiViewOnOSM(context)
-	                .what(context.hasEntity(_entityIDs.length === 1 && _entityIDs[0]))
-	            );
-	    }
-
-	    inspector.showList = function(presets) {
-
-	        wrap.transition()
-	            .styleTween('right', function() { return interpolate('0%', '-100%'); });
-
-	        if (presets) {
-	            presetList.presets(presets);
-	        }
-
-	        presetPane
-	            .call(presetList.autofocus(true));
-	    };
-
-	    inspector.setPreset = function(preset) {
-
-	        // upon setting multipolygon, go to the area preset list instead of the editor
-	        if (preset.id === 'type/multipolygon') {
-	            presetPane
-	                .call(presetList.autofocus(true));
-
-	        } else {
-	            wrap.transition()
-	                .styleTween('right', function() { return interpolate('-100%', '0%'); });
-
-	            editorPane
-	                .call(entityEditor.presets([preset]));
-	        }
-
-	    };
-
-	    inspector.state = function(val) {
-	        if (!arguments.length) return _state;
-	        _state = val;
-	        entityEditor.state(_state);
-
-	        // remove any old field help overlay that might have gotten attached to the inspector
-	        context.container().selectAll('.field-help-body').remove();
-
-	        return inspector;
-	    };
-
-
-	    inspector.entityIDs = function(val) {
-	        if (!arguments.length) return _entityIDs;
-	        _entityIDs = val;
-	        return inspector;
-	    };
-
-
-	    inspector.newFeature = function(val) {
-	        if (!arguments.length) return _newFeature;
-	        _newFeature = val;
-	        return inspector;
-	    };
-
-
-	    return inspector;
-	}
-
-	function uiSidebar(context) {
-	    var inspector = uiInspector(context);
-	    var dataEditor = uiDataEditor(context);
-	    var noteEditor = uiNoteEditor(context);
-	    var improveOsmEditor = uiImproveOsmEditor(context);
-	    var keepRightEditor = uiKeepRightEditor(context);
-	    var osmoseEditor = uiOsmoseEditor(context);
-	    var _current;
-	    var _wasData = false;
-	    var _wasNote = false;
-	    var _wasQaItem = false;
-
-	    // use pointer events on supported platforms; fallback to mouse events
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-
-	    function sidebar(selection) {
-	        var container = context.container();
-	        var minWidth = 240;
-	        var sidebarWidth;
-	        var containerWidth;
-	        var dragOffset;
-
-	        // Set the initial width constraints
-	        selection
-	            .style('min-width', minWidth + 'px')
-	            .style('max-width', '400px')
-	            .style('width', '33.3333%');
-
-	        var resizer = selection
-	            .append('div')
-	            .attr('class', 'sidebar-resizer')
-	            .on(_pointerPrefix + 'down.sidebar-resizer', pointerdown);
-
-	        var downPointerId, lastClientX, containerLocGetter;
-
-	        function pointerdown() {
-	            if (downPointerId) return;
-
-	            if ('button' in event && event.button !== 0) return;
-
-	            downPointerId = event.pointerId || 'mouse';
-
-	            lastClientX = event.clientX;
-
-	            containerLocGetter = utilFastMouse(container.node());
-
-	            // offset from edge of sidebar-resizer
-	            dragOffset = utilFastMouse(resizer.node())(event)[0] - 1;
-
-	            sidebarWidth = selection.node().getBoundingClientRect().width;
-	            containerWidth = container.node().getBoundingClientRect().width;
-	            var widthPct = (sidebarWidth / containerWidth) * 100;
-	            selection
-	                .style('width', widthPct + '%')    // lock in current width
-	                .style('max-width', '85%');        // but allow larger widths
-
-	            resizer.classed('dragging', true);
-
-	            select(window)
-	                .on('touchmove.sidebar-resizer', function() {
-	                    // disable page scrolling while resizing on touch input
-	                    event.preventDefault();
-	                }, { passive: false })
-	                .on(_pointerPrefix + 'move.sidebar-resizer', pointermove)
-	                .on(_pointerPrefix + 'up.sidebar-resizer pointercancel.sidebar-resizer', pointerup);
-	        }
-
-	        function pointermove() {
-
-	            if (downPointerId !== (event.pointerId || 'mouse')) return;
-
-	            event.preventDefault();
-
-	            var dx = event.clientX - lastClientX;
-
-	            lastClientX = event.clientX;
-
-	            var isRTL = (_mainLocalizer.textDirection() === 'rtl');
-	            var scaleX = isRTL ? 0 : 1;
-	            var xMarginProperty = isRTL ? 'margin-right' : 'margin-left';
-
-	            var x = containerLocGetter(event)[0] - dragOffset;
-	            sidebarWidth = isRTL ? containerWidth - x : x;
-
-	            var isCollapsed = selection.classed('collapsed');
-	            var shouldCollapse = sidebarWidth < minWidth;
-
-	            selection.classed('collapsed', shouldCollapse);
-
-	            if (shouldCollapse) {
-	                if (!isCollapsed) {
-	                    selection
-	                        .style(xMarginProperty, '-400px')
-	                        .style('width', '400px');
-
-	                    context.ui().onResize([(sidebarWidth - dx) * scaleX, 0]);
-	                }
-
-	            } else {
-	                var widthPct = (sidebarWidth / containerWidth) * 100;
-	                selection
-	                    .style(xMarginProperty, null)
-	                    .style('width', widthPct + '%');
-
-	                if (isCollapsed) {
-	                    context.ui().onResize([-sidebarWidth * scaleX, 0]);
-	                } else {
-	                    context.ui().onResize([-dx * scaleX, 0]);
-	                }
-	            }
-	        }
-
-	        function pointerup() {
-	            if (downPointerId !== (event.pointerId || 'mouse')) return;
-
-	            downPointerId = null;
-
-	            resizer.classed('dragging', false);
-
-	            select(window)
-	                .on('touchmove.sidebar-resizer', null)
-	                .on(_pointerPrefix + 'move.sidebar-resizer', null)
-	                .on(_pointerPrefix + 'up.sidebar-resizer pointercancel.sidebar-resizer', null);
-	        }
-
-	        var featureListWrap = selection
-	            .append('div')
-	            .attr('class', 'feature-list-pane')
-	            .call(uiFeatureList(context));
-
-	        var inspectorWrap = selection
-	            .append('div')
-	            .attr('class', 'inspector-hidden inspector-wrap');
-
-	        var hoverModeSelect = function(targets) {
-	            context.container().selectAll('.feature-list-item').classed('hover', false);
-
-	            if (context.selectedIDs().length > 1 &&
-	                targets && targets.length) {
-
-	                var elements = context.container().selectAll('.feature-list-item')
-	                    .filter(function (node) {
-	                        return targets.indexOf(node) !== -1;
-	                    });
-
-	                if (!elements.empty()) {
-	                    elements.classed('hover', true);
-	                }
-	            }
-	        };
-
-	        sidebar.hoverModeSelect = throttle(hoverModeSelect, 200);
-
-	        function hover(targets) {
-	            var datum = targets && targets.length && targets[0];
-	            if (datum && datum.__featurehash__) {   // hovering on data
-	                _wasData = true;
-	                sidebar
-	                    .show(dataEditor.datum(datum));
-
-	                selection.selectAll('.sidebar-component')
-	                    .classed('inspector-hover', true);
-
-	            } else if (datum instanceof osmNote) {
-	                if (context.mode().id === 'drag-note') return;
-	                _wasNote = true;
-
-	                var osm = services.osm;
-	                if (osm) {
-	                    datum = osm.getNote(datum.id);   // marker may contain stale data - get latest
-	                }
-
-	                sidebar
-	                    .show(noteEditor.note(datum));
-
-	                selection.selectAll('.sidebar-component')
-	                    .classed('inspector-hover', true);
-
-	            } else if (datum instanceof QAItem) {
-	                _wasQaItem = true;
-
-	                var errService = services[datum.service];
-	                if (errService) {
-	                    // marker may contain stale data - get latest
-	                    datum = errService.getError(datum.id);
-	                }
-
-	                // Currently only three possible services
-	                var errEditor;
-	                if (datum.service === 'keepRight') {
-	                    errEditor = keepRightEditor;
-	                } else if (datum.service === 'osmose') {
-	                    errEditor = osmoseEditor;
-	                } else {
-	                    errEditor = improveOsmEditor;
-	                }
-
-	                context.container().selectAll('.qaItem.' + datum.service)
-	                    .classed('hover', function(d) { return d.id === datum.id; });
-
-	                sidebar
-	                    .show(errEditor.error(datum));
-
-	                selection.selectAll('.sidebar-component')
-	                    .classed('inspector-hover', true);
-
-	            } else if (!_current && (datum instanceof osmEntity)) {
-	                featureListWrap
-	                    .classed('inspector-hidden', true);
-
-	                inspectorWrap
-	                    .classed('inspector-hidden', false)
-	                    .classed('inspector-hover', true);
-
-	                if (!inspector.entityIDs() || !utilArrayIdentical(inspector.entityIDs(), [datum.id]) || inspector.state() !== 'hover') {
-	                    inspector
-	                        .state('hover')
-	                        .entityIDs([datum.id])
-	                        .newFeature(false);
-
-	                    inspectorWrap
-	                        .call(inspector);
-	                }
-
-	            } else if (!_current) {
-	                featureListWrap
-	                    .classed('inspector-hidden', false);
-	                inspectorWrap
-	                    .classed('inspector-hidden', true);
-	                inspector
-	                    .state('hide');
-
-	            } else if (_wasData || _wasNote || _wasQaItem) {
-	                _wasNote = false;
-	                _wasData = false;
-	                _wasQaItem = false;
-	                context.container().selectAll('.note').classed('hover', false);
-	                context.container().selectAll('.qaItem').classed('hover', false);
-	                sidebar.hide();
-	            }
-	        }
-
-	        sidebar.hover = throttle(hover, 200);
-
-
-	        sidebar.intersects = function(extent) {
-	            var rect = selection.node().getBoundingClientRect();
-	            return extent.intersects([
-	                context.projection.invert([0, rect.height]),
-	                context.projection.invert([rect.width, 0])
-	            ]);
-	        };
-
-
-	        sidebar.select = function(ids, newFeature) {
-	            sidebar.hide();
-
-	            if (ids && ids.length) {
-
-	                var entity = ids.length === 1 && context.entity(ids[0]);
-	                if (entity && newFeature && selection.classed('collapsed')) {
-	                    // uncollapse the sidebar
-	                    var extent = entity.extent(context.graph());
-	                    sidebar.expand(sidebar.intersects(extent));
-	                }
-
-	                featureListWrap
-	                    .classed('inspector-hidden', true);
-
-	                inspectorWrap
-	                    .classed('inspector-hidden', false)
-	                    .classed('inspector-hover', false);
-
-	                if (!inspector.entityIDs() || !utilArrayIdentical(inspector.entityIDs(), ids) || inspector.state() !== 'select') {
-	                    inspector
-	                        .state('select')
-	                        .entityIDs(ids)
-	                        .newFeature(newFeature);
-
-	                    inspectorWrap
-	                        .call(inspector);
-	                }
-
-	            } else {
-	                inspector
-	                    .state('hide');
-	            }
-	        };
-
-
-	        sidebar.showPresetList = function() {
-	            inspector.showList();
-	        };
-
-
-	        sidebar.show = function(component, element) {
-	            featureListWrap
-	                .classed('inspector-hidden', true);
-	            inspectorWrap
-	                .classed('inspector-hidden', true);
-
-	            if (_current) _current.remove();
-	            _current = selection
-	                .append('div')
-	                .attr('class', 'sidebar-component')
-	                .call(component, element);
-	        };
-
-
-	        sidebar.hide = function() {
-	            featureListWrap
-	                .classed('inspector-hidden', false);
-	            inspectorWrap
-	                .classed('inspector-hidden', true);
-
-	            if (_current) _current.remove();
-	            _current = null;
-	        };
-
-
-	        sidebar.expand = function(moveMap) {
-	            if (selection.classed('collapsed')) {
-	                sidebar.toggle(moveMap);
-	            }
-	        };
-
-
-	        sidebar.collapse = function(moveMap) {
-	            if (!selection.classed('collapsed')) {
-	                sidebar.toggle(moveMap);
-	            }
-	        };
-
-
-	        sidebar.toggle = function(moveMap) {
-	            var e = event;
-	            if (e && e.sourceEvent) {
-	                e.sourceEvent.preventDefault();
-	            } else if (e) {
-	                e.preventDefault();
-	            }
-
-	            // Don't allow sidebar to toggle when the user is in the walkthrough.
-	            if (context.inIntro()) return;
-
-	            var isCollapsed = selection.classed('collapsed');
-	            var isCollapsing = !isCollapsed;
-	            var isRTL = (_mainLocalizer.textDirection() === 'rtl');
-	            var scaleX = isRTL ? 0 : 1;
-	            var xMarginProperty = isRTL ? 'margin-right' : 'margin-left';
-
-	            sidebarWidth = selection.node().getBoundingClientRect().width;
-
-	            // switch from % to px
-	            selection.style('width', sidebarWidth + 'px');
-
-	            var startMargin, endMargin, lastMargin;
-	            if (isCollapsing) {
-	                startMargin = lastMargin = 0;
-	                endMargin = -sidebarWidth;
-	            } else {
-	                startMargin = lastMargin = -sidebarWidth;
-	                endMargin = 0;
-	            }
-
-	            selection.transition()
-	                .style(xMarginProperty, endMargin + 'px')
-	                .tween('panner', function() {
-	                    var i = d3_interpolateNumber(startMargin, endMargin);
-	                    return function(t) {
-	                        var dx = lastMargin - Math.round(i(t));
-	                        lastMargin = lastMargin - dx;
-	                        context.ui().onResize(moveMap ? undefined : [dx * scaleX, 0]);
-	                    };
-	                })
-	                .on('end', function() {
-	                    selection.classed('collapsed', isCollapsing);
-
-	                    // switch back from px to %
-	                    if (!isCollapsing) {
-	                        var containerWidth = container.node().getBoundingClientRect().width;
-	                        var widthPct = (sidebarWidth / containerWidth) * 100;
-	                        selection
-	                            .style(xMarginProperty, null)
-	                            .style('width', widthPct + '%');
-	                    }
-	                });
-	        };
-
-	        // toggle the sidebar collapse when double-clicking the resizer
-	        resizer.on('dblclick', sidebar.toggle);
-
-	        // ensure hover sidebar is closed when zooming out beyond editable zoom
-	        context.map().on('crossEditableZoom.sidebar', function(within) {
-	            if (!within && !selection.select('.inspector-hover').empty()) {
-	                hover([]);
-	            }
-	        });
-	    }
-
-	    sidebar.showPresetList = function() {};
-	    sidebar.hover = function() {};
-	    sidebar.hover.cancel = function() {};
-	    sidebar.intersects = function() {};
-	    sidebar.select = function() {};
-	    sidebar.show = function() {};
-	    sidebar.hide = function() {};
-	    sidebar.expand = function() {};
-	    sidebar.collapse = function() {};
-	    sidebar.toggle = function() {};
-
-	    return sidebar;
-	}
-
-	function uiSourceSwitch(context) {
-	    var keys;
-
-
-	    function click() {
-	        event.preventDefault();
-
-	        var osm = context.connection();
-	        if (!osm) return;
-
-	        if (context.inIntro()) return;
-
-	        if (context.history().hasChanges() &&
-	            !window.confirm(_t('source_switch.lose_changes'))) return;
-
-	        var isLive = select(this)
-	            .classed('live');
-
-	        isLive = !isLive;
-	        context.enter(modeBrowse(context));
-	        context.history().clearSaved();          // remove saved history
-	        context.flush();                         // remove stored data
-
-	        select(this)
-	            .text(isLive ? _t('source_switch.live') : _t('source_switch.dev'))
-	            .classed('live', isLive)
-	            .classed('chip', isLive);
-
-	        osm.switch(isLive ? keys[0] : keys[1]);  // switch connection (warning: dispatches 'change' event)
-	    }
-
-	    var sourceSwitch = function(selection) {
-	        selection
-	            .append('a')
-	            .attr('href', '#')
-	            .text(_t('source_switch.live'))
-	            .attr('class', 'live chip')
-	            .on('click', click);
-	    };
-
-
-	    sourceSwitch.keys = function(_) {
-	        if (!arguments.length) return keys;
-	        keys = _;
-	        return sourceSwitch;
-	    };
-
-
-	    return sourceSwitch;
-	}
-
-	function uiSpinner(context) {
-	    var osm = context.connection();
-
-
-	    return function(selection) {
-	        var img = selection
-	            .append('img')
-	            .attr('src', context.imagePath('loader-black.gif'))
-	            .style('opacity', 0);
-
-	        if (osm) {
-	            osm
-	                .on('loading.spinner', function() {
-	                    img.transition()
-	                        .style('opacity', 1);
-	                })
-	                .on('loaded.spinner', function() {
-	                    img.transition()
-	                        .style('opacity', 0);
-	                });
-	        }
-	    };
-	}
-
-	function uiSplash(context) {
-	  return (selection) => {
-	    // Exception - if there are restorable changes, skip this splash screen.
-	    // This is because we currently only support one `uiModal` at a time
-	    //  and we need to show them `uiRestore`` instead of this one.
-	    if (context.history().hasRestorableChanges()) return;
-
-	    // If user has not seen this version of the privacy policy, show the splash again.
-	    let updateMessage = '';
-	    const sawPrivacyVersion = corePreferences('sawPrivacyVersion');
-	    let showSplash = !corePreferences('sawSplash');
-	    if (sawPrivacyVersion !== context.privacyVersion) {
-	      updateMessage = _t('splash.privacy_update');
-	      showSplash = true;
-	    }
-
-	    if (!showSplash) return;
-
-	    corePreferences('sawSplash', true);
-	    corePreferences('sawPrivacyVersion', context.privacyVersion);
-
-	    // fetch intro graph data now, while user is looking at the splash screen
-	    _mainFileFetcher.get('intro_graph');
-
-	    let modalSelection = uiModal(selection);
-
-	    modalSelection.select('.modal')
-	      .attr('class', 'modal-splash modal');
-
-	    let introModal = modalSelection.select('.content')
-	      .append('div')
-	      .attr('class', 'fillL');
-
-	    introModal
-	      .append('div')
-	      .attr('class','modal-section')
-	      .append('h3')
-	      .text(_t('splash.welcome'));
-
-	    let modalSection = introModal
-	      .append('div')
-	      .attr('class','modal-section');
-
-	    modalSection
-	      .append('p')
-	      .html(_t('splash.text', {
-	        version: context.version,
-	        website: '<a target="_blank" href="http://ideditor.blog/">ideditor.blog</a>',
-	        github: '<a target="_blank" href="https://github.com/openstreetmap/iD">github.com</a>'
-	      }));
-
-	    modalSection
-	      .append('p')
-	      .html(_t('splash.privacy', {
-	        updateMessage: updateMessage,
-	        privacyLink: '<a target="_blank" href="https://github.com/openstreetmap/iD/blob/release/PRIVACY.md">' +
-	          _t('splash.privacy_policy') + '</a>'
-	      }));
-
-	    let buttonWrap = introModal
-	      .append('div')
-	      .attr('class', 'modal-actions');
-
-	    let walkthrough = buttonWrap
-	      .append('button')
-	      .attr('class', 'walkthrough')
-	      .on('click', () => {
-	        context.container().call(uiIntro(context));
-	        modalSelection.close();
-	      });
-
-	    walkthrough
-	      .append('svg')
-	      .attr('class', 'logo logo-walkthrough')
-	      .append('use')
-	      .attr('xlink:href', '#iD-logo-walkthrough');
-
-	    walkthrough
-	      .append('div')
-	      .text(_t('splash.walkthrough'));
-
-	    let startEditing = buttonWrap
-	      .append('button')
-	      .attr('class', 'start-editing')
-	      .on('click', modalSelection.close);
-
-	    startEditing
-	      .append('svg')
-	      .attr('class', 'logo logo-features')
-	      .append('use')
-	      .attr('xlink:href', '#iD-logo-features');
-
-	    startEditing
-	      .append('div')
-	      .text(_t('splash.start'));
-
-	    modalSelection.select('button.close')
-	      .attr('class','hide');
-	  };
-	}
-
-	function uiStatus(context) {
-	    var osm = context.connection();
-
-
-	    return function(selection) {
-	        if (!osm) return;
-
-	        function update(err, apiStatus) {
-	            selection.html('');
-
-	            if (err) {
-	                if (apiStatus === 'connectionSwitched') {
-	                    // if the connection was just switched, we can't rely on
-	                    // the status (we're getting the status of the previous api)
-	                    return;
-
-	                } else if (apiStatus === 'rateLimited') {
-	                    selection
-	                        .text(_t('osm_api_status.message.rateLimit'))
-	                        .append('a')
-	                        .attr('class', 'api-status-login')
-	                        .attr('target', '_blank')
-	                        .call(svgIcon('#iD-icon-out-link', 'inline'))
-	                        .append('span')
-	                        .text(_t('login'))
-	                        .on('click.login', function() {
-	                            event.preventDefault();
-	                            osm.authenticate();
-	                        });
-	                } else {
-
-	                    // don't allow retrying too rapidly
-	                    var throttledRetry = throttle(function() {
-	                        // try loading the visible tiles
-	                        context.loadTiles(context.projection);
-	                        // manually reload the status too in case all visible tiles were already loaded
-	                        osm.reloadApiStatus();
-	                    }, 2000);
-
-	                    // eslint-disable-next-line no-warning-comments
-	                    // TODO: nice messages for different error types
-	                    selection
-	                        .text(_t('osm_api_status.message.error') + ' ')
-	                        .append('a')
-	                        // let the user manually retry their connection directly
-	                        .text(_t('osm_api_status.retry'))
-	                        .on('click.retry', function() {
-	                            event.preventDefault();
-	                            throttledRetry();
-	                        });
-	                }
-
-	            } else if (apiStatus === 'readonly') {
-	                selection.text(_t('osm_api_status.message.readonly'));
-	            } else if (apiStatus === 'offline') {
-	                selection.text(_t('osm_api_status.message.offline'));
-	            }
-
-	            selection.attr('class', 'api-status ' + (err ? 'error' : apiStatus));
-	        }
-
-	        osm.on('apiStatusChange.uiStatus', update);
-
-	        // reload the status periodically regardless of other factors
-	        window.setInterval(function() {
-	            osm.reloadApiStatus();
-	        }, 90000);
-
-	        // load the initial status in case no OSM data was loaded yet
-	        osm.reloadApiStatus();
-	    };
-	}
-
-	function modeDrawArea(context, wayID, startGraph, button) {
-	    var mode = {
-	        button: button,
-	        id: 'draw-area'
-	    };
-
-	    var behavior = behaviorDrawWay(context, wayID, mode, startGraph)
-	        .on('rejectedSelfIntersection.modeDrawArea', function() {
-	            context.ui().flash
-	                .text(_t('self_intersection.error.areas'))();
-	        });
-
-	    mode.wayID = wayID;
-
-	    mode.enter = function() {
-	        context.install(behavior);
-	    };
-
-	    mode.exit = function() {
-	        context.uninstall(behavior);
-	    };
-
-	    mode.selectedIDs = function() {
-	        return [wayID];
-	    };
-
-	    mode.activeID = function() {
-	        return (behavior && behavior.activeID()) || [];
-	    };
-
-	    return mode;
-	}
-
-	function modeAddArea(context, mode) {
-	    mode.id = 'add-area';
-
-	    var behavior = behaviorAddWay(context)
-	        .on('start', start)
-	        .on('startFromWay', startFromWay)
-	        .on('startFromNode', startFromNode);
-
-	    var defaultTags = { area: 'yes' };
-	    if (mode.preset) defaultTags = mode.preset.setTags(defaultTags, 'area');
-
-
-	    function actionClose(wayId) {
-	        return function (graph) {
-	            return graph.replace(graph.entity(wayId).close());
-	        };
-	    }
-
-
-	    function start(loc) {
-	        var startGraph = context.graph();
-	        var node = osmNode({ loc: loc });
-	        var way = osmWay({ tags: defaultTags });
-
-	        context.perform(
-	            actionAddEntity(node),
-	            actionAddEntity(way),
-	            actionAddVertex(way.id, node.id),
-	            actionClose(way.id)
-	        );
-
-	        context.enter(modeDrawArea(context, way.id, startGraph, mode.button));
-	    }
-
-
-	    function startFromWay(loc, edge) {
-	        var startGraph = context.graph();
-	        var node = osmNode({ loc: loc });
-	        var way = osmWay({ tags: defaultTags });
-
-	        context.perform(
-	            actionAddEntity(node),
-	            actionAddEntity(way),
-	            actionAddVertex(way.id, node.id),
-	            actionClose(way.id),
-	            actionAddMidpoint({ loc: loc, edge: edge }, node)
-	        );
-
-	        context.enter(modeDrawArea(context, way.id, startGraph, mode.button));
-	    }
-
-
-	    function startFromNode(node) {
-	        var startGraph = context.graph();
-	        var way = osmWay({ tags: defaultTags });
-
-	        context.perform(
-	            actionAddEntity(way),
-	            actionAddVertex(way.id, node.id),
-	            actionClose(way.id)
-	        );
-
-	        context.enter(modeDrawArea(context, way.id, startGraph, mode.button));
-	    }
-
-
-	    mode.enter = function() {
-	        context.install(behavior);
-	    };
-
-
-	    mode.exit = function() {
-	        context.uninstall(behavior);
-	    };
-
-
-	    return mode;
-	}
-
-	function modeAddLine(context, mode) {
-	    mode.id = 'add-line';
-
-	    var behavior = behaviorAddWay(context)
-	        .on('start', start)
-	        .on('startFromWay', startFromWay)
-	        .on('startFromNode', startFromNode);
-
-	    var defaultTags = {};
-	    if (mode.preset) defaultTags = mode.preset.setTags(defaultTags, 'line');
-
-
-	    function start(loc) {
-	        var startGraph = context.graph();
-	        var node = osmNode({ loc: loc });
-	        var way = osmWay({ tags: defaultTags });
-
-	        context.perform(
-	            actionAddEntity(node),
-	            actionAddEntity(way),
-	            actionAddVertex(way.id, node.id)
-	        );
-
-	        context.enter(modeDrawLine(context, way.id, startGraph, mode.button));
-	    }
-
-
-	    function startFromWay(loc, edge) {
-	        var startGraph = context.graph();
-	        var node = osmNode({ loc: loc });
-	        var way = osmWay({ tags: defaultTags });
-
-	        context.perform(
-	            actionAddEntity(node),
-	            actionAddEntity(way),
-	            actionAddVertex(way.id, node.id),
-	            actionAddMidpoint({ loc: loc, edge: edge }, node)
-	        );
-
-	        context.enter(modeDrawLine(context, way.id, startGraph, mode.button));
-	    }
-
-
-	    function startFromNode(node) {
-	        var startGraph = context.graph();
-	        var way = osmWay({ tags: defaultTags });
-
-	        context.perform(
-	            actionAddEntity(way),
-	            actionAddVertex(way.id, node.id)
-	        );
-
-	        context.enter(modeDrawLine(context, way.id, startGraph, mode.button));
-	    }
-
-
-	    mode.enter = function() {
-	        context.install(behavior);
-	    };
-
-
-	    mode.exit = function() {
-	        context.uninstall(behavior);
-	    };
-
-	    return mode;
-	}
-
-	function modeAddPoint(context, mode) {
-
-	    mode.id = 'add-point';
-
-	    var behavior = behaviorDraw(context)
-	        .on('click', add)
-	        .on('clickWay', addWay)
-	        .on('clickNode', addNode)
-	        .on('cancel', cancel)
-	        .on('finish', cancel);
-
-	    var defaultTags = {};
-	    if (mode.preset) defaultTags = mode.preset.setTags(defaultTags, 'point');
-
-
-	    function add(loc) {
-	        var node = osmNode({ loc: loc, tags: defaultTags });
-
-	        context.perform(
-	            actionAddEntity(node),
-	            _t('operations.add.annotation.point')
-	        );
-
-	        enterSelectMode(node);
-	    }
-
-
-	    function addWay(loc, edge) {
-	        var node = osmNode({ tags: defaultTags });
-
-	        context.perform(
-	            actionAddMidpoint({loc: loc, edge: edge}, node),
-	            _t('operations.add.annotation.vertex')
-	        );
-
-	        enterSelectMode(node);
-	    }
-
-	    function enterSelectMode(node) {
-	        context.enter(
-	            modeSelect(context, [node.id]).newFeature(true)
-	        );
-	    }
-
-
-	    function addNode(node) {
-	        if (Object.keys(defaultTags).length === 0) {
-	            enterSelectMode(node);
-	            return;
-	        }
-
-	        var tags = Object.assign({}, node.tags);  // shallow copy
-	        for (var key in defaultTags) {
-	            tags[key] = defaultTags[key];
-	        }
-
-	        context.perform(
-	            actionChangeTags(node.id, tags),
-	            _t('operations.add.annotation.point')
-	        );
-
-	        enterSelectMode(node);
-	    }
-
-
-	    function cancel() {
-	        context.enter(modeBrowse(context));
-	    }
-
-
-	    mode.enter = function() {
-	        context.install(behavior);
-	    };
-
-
-	    mode.exit = function() {
-	        context.uninstall(behavior);
-	    };
-
-
-	    return mode;
-	}
-
-	function modeAddNote(context) {
-	    var mode = {
-	        id: 'add-note',
-	        button: 'note',
-	        title: _t('modes.add_note.title'),
-	        description: _t('modes.add_note.description'),
-	        key: _t('modes.add_note.key')
-	    };
-
-	    var behavior = behaviorDraw(context)
-	        .on('click', add)
-	        .on('cancel', cancel)
-	        .on('finish', cancel);
-
-
-	    function add(loc) {
-	        var osm = services.osm;
-	        if (!osm) return;
-
-	        var note = osmNote({ loc: loc, status: 'open', comments: [] });
-	        osm.replaceNote(note);
-
-	        // force a reraw (there is no history change that would otherwise do this)
-	        context.map().pan([0,0]);
-
-	        context
-	            .selectedNoteID(note.id)
-	            .enter(modeSelectNote(context, note.id).newFeature(true));
-	    }
-
-
-	    function cancel() {
-	        context.enter(modeBrowse(context));
-	    }
-
-
-	    mode.enter = function() {
-	        context.install(behavior);
-	    };
-
-
-	    mode.exit = function() {
-	        context.uninstall(behavior);
-	    };
-
-
-	    return mode;
-	}
-
-	function uiConflicts(context) {
-	    var dispatch$1 = dispatch('cancel', 'save');
-	    var keybinding = utilKeybinding('conflicts');
-	    var _origChanges;
-	    var _conflictList;
-	    var _shownConflictIndex;
-
-
-	    function keybindingOn() {
-	        select(document)
-	            .call(keybinding.on('⎋', cancel, true));
-	    }
-
-	    function keybindingOff() {
-	        select(document)
-	            .call(keybinding.unbind);
-	    }
-
-	    function tryAgain() {
-	        keybindingOff();
-	        dispatch$1.call('save');
-	    }
-
-	    function cancel() {
-	        keybindingOff();
-	        dispatch$1.call('cancel');
-	    }
-
-
-	    function conflicts(selection) {
-	        keybindingOn();
-
-	        var headerEnter = selection.selectAll('.header')
-	            .data([0])
-	            .enter()
-	            .append('div')
-	            .attr('class', 'header fillL');
-
-	        headerEnter
-	            .append('button')
-	            .attr('class', 'fr')
-	            .on('click', cancel)
-	            .call(svgIcon('#iD-icon-close'));
-
-	        headerEnter
-	            .append('h3')
-	            .text(_t('save.conflict.header'));
-
-	        var bodyEnter = selection.selectAll('.body')
-	            .data([0])
-	            .enter()
-	            .append('div')
-	            .attr('class', 'body fillL');
-
-	        var conflictsHelpEnter = bodyEnter
-	            .append('div')
-	            .attr('class', 'conflicts-help')
-	            .text(_t('save.conflict.help'));
-
-
-	        // Download changes link
-	        var detected = utilDetect();
-	        var changeset = new osmChangeset();
-
-	        delete changeset.id;  // Export without changeset_id
-
-	        var data = JXON.stringify(changeset.osmChangeJXON(_origChanges));
-	        var blob = new Blob([data], { type: 'text/xml;charset=utf-8;' });
-	        var fileName = 'changes.osc';
-
-	        var linkEnter = conflictsHelpEnter.selectAll('.download-changes')
-	            .append('a')
-	            .attr('class', 'download-changes');
-
-	        if (detected.download) {      // All except IE11 and Edge
-	            linkEnter                 // download the data as a file
-	                .attr('href', window.URL.createObjectURL(blob))
-	                .attr('download', fileName);
-
-	        } else {                      // IE11 and Edge
-	            linkEnter                 // open data uri in a new tab
-	                .attr('target', '_blank')
-	                .on('click.download', function() {
-	                    navigator.msSaveBlob(blob, fileName);
-	                });
-	        }
-
-	        linkEnter
-	            .call(svgIcon('#iD-icon-load', 'inline'))
-	            .append('span')
-	            .text(_t('save.conflict.download_changes'));
-
-
-	        bodyEnter
-	            .append('div')
-	            .attr('class', 'conflict-container fillL3')
-	            .call(showConflict, 0);
-
-	        bodyEnter
-	            .append('div')
-	            .attr('class', 'conflicts-done')
-	            .attr('opacity', 0)
-	            .style('display', 'none')
-	            .text(_t('save.conflict.done'));
-
-	        var buttonsEnter = bodyEnter
-	            .append('div')
-	            .attr('class','buttons col12 joined conflicts-buttons');
-
-	        buttonsEnter
-	            .append('button')
-	            .attr('disabled', _conflictList.length > 1)
-	            .attr('class', 'action conflicts-button col6')
-	            .text(_t('save.title'))
-	            .on('click.try_again', tryAgain);
-
-	        buttonsEnter
-	            .append('button')
-	            .attr('class', 'secondary-action conflicts-button col6')
-	            .text(_t('confirm.cancel'))
-	            .on('click.cancel', cancel);
-	    }
-
-
-	    function showConflict(selection, index) {
-	        index = utilWrap(index, _conflictList.length);
-	        _shownConflictIndex = index;
-
-	        var parent = select(selection.node().parentNode);
-
-	        // enable save button if this is the last conflict being reviewed..
-	        if (index === _conflictList.length - 1) {
-	            window.setTimeout(function() {
-	                parent.select('.conflicts-button')
-	                    .attr('disabled', null);
-
-	                parent.select('.conflicts-done')
-	                    .transition()
-	                    .attr('opacity', 1)
-	                    .style('display', 'block');
-	            }, 250);
-	        }
-
-	        var conflict = selection
-	            .selectAll('.conflict')
-	            .data([_conflictList[index]]);
-
-	        conflict.exit()
-	            .remove();
-
-	        var conflictEnter = conflict.enter()
-	            .append('div')
-	            .attr('class', 'conflict');
-
-	        conflictEnter
-	            .append('h4')
-	            .attr('class', 'conflict-count')
-	            .text(_t('save.conflict.count', { num: index + 1, total: _conflictList.length }));
-
-	        conflictEnter
-	            .append('a')
-	            .attr('class', 'conflict-description')
-	            .attr('href', '#')
-	            .text(function(d) { return d.name; })
-	            .on('click', function(d) {
-	                event.preventDefault();
-	                zoomToEntity(d.id);
-	            });
-
-	        var details = conflictEnter
-	            .append('div')
-	            .attr('class', 'conflict-detail-container');
-
-	        details
-	            .append('ul')
-	            .attr('class', 'conflict-detail-list')
-	            .selectAll('li')
-	            .data(function(d) { return d.details || []; })
-	            .enter()
-	            .append('li')
-	            .attr('class', 'conflict-detail-item')
-	            .html(function(d) { return d; });
-
-	        details
-	            .append('div')
-	            .attr('class', 'conflict-choices')
-	            .call(addChoices);
-
-	        details
-	            .append('div')
-	            .attr('class', 'conflict-nav-buttons joined cf')
-	            .selectAll('button')
-	            .data(['previous', 'next'])
-	            .enter()
-	            .append('button')
-	            .text(function(d) { return _t('save.conflict.' + d); })
-	            .attr('class', 'conflict-nav-button action col6')
-	            .attr('disabled', function(d, i) {
-	                return (i === 0 && index === 0) ||
-	                    (i === 1 && index === _conflictList.length - 1) || null;
-	            })
-	            .on('click', function(d, i) {
-	                event.preventDefault();
-
-	                var container = parent.selectAll('.conflict-container');
-	                var sign = (i === 0 ? -1 : 1);
-
-	                container
-	                    .selectAll('.conflict')
-	                    .remove();
-
-	                container
-	                    .call(showConflict, index + sign);
-	            });
-
-	    }
-
-
-	    function addChoices(selection) {
-	        var choices = selection
-	            .append('ul')
-	            .attr('class', 'layer-list')
-	            .selectAll('li')
-	            .data(function(d) { return d.choices || []; });
-
-	        // enter
-	        var choicesEnter = choices.enter()
-	            .append('li')
-	            .attr('class', 'layer');
-
-	        var labelEnter = choicesEnter
-	            .append('label');
-
-	        labelEnter
-	            .append('input')
-	            .attr('type', 'radio')
-	            .attr('name', function(d) { return d.id; })
-	            .on('change', function(d, i) {
-	                var ul = this.parentNode.parentNode.parentNode;
-	                ul.__data__.chosen = i;
-	                choose(ul, d);
-	            });
-
-	        labelEnter
-	            .append('span')
-	            .text(function(d) { return d.text; });
-
-	        // update
-	        choicesEnter
-	            .merge(choices)
-	            .each(function(d, i) {
-	                var ul = this.parentNode;
-	                if (ul.__data__.chosen === i) {
-	                    choose(ul, d);
-	                }
-	            });
-	    }
-
-
-	    function choose(ul, datum) {
-	        if (event) event.preventDefault();
-
-	        select(ul)
-	            .selectAll('li')
-	            .classed('active', function(d) { return d === datum; })
-	            .selectAll('input')
-	            .property('checked', function(d) { return d === datum; });
-
-	        var extent = geoExtent();
-	        var entity;
-
-	        entity = context.graph().hasEntity(datum.id);
-	        if (entity) extent._extend(entity.extent(context.graph()));
-
-	        datum.action();
-
-	        entity = context.graph().hasEntity(datum.id);
-	        if (entity) extent._extend(entity.extent(context.graph()));
-
-	        zoomToEntity(datum.id, extent);
-	    }
-
-
-	    function zoomToEntity(id, extent) {
-	        context.surface().selectAll('.hover')
-	            .classed('hover', false);
-
-	        var entity = context.graph().hasEntity(id);
-	        if (entity) {
-	            if (extent) {
-	                context.map().trimmedExtent(extent);
-	            } else {
-	                context.map().zoomToEase(entity);
-	            }
-	            context.surface().selectAll(utilEntityOrMemberSelector([entity.id], context.graph()))
-	                .classed('hover', true);
-	        }
-	    }
-
-
-	    // The conflict list should be an array of objects like:
-	    // {
-	    //     id: id,
-	    //     name: entityName(local),
-	    //     details: merge.conflicts(),
-	    //     chosen: 1,
-	    //     choices: [
-	    //         choice(id, keepMine, forceLocal),
-	    //         choice(id, keepTheirs, forceRemote)
-	    //     ]
-	    // }
-	    conflicts.conflictList = function(_) {
-	        if (!arguments.length) return _conflictList;
-	        _conflictList = _;
-	        return conflicts;
-	    };
-
-
-	    conflicts.origChanges = function(_) {
-	        if (!arguments.length) return _origChanges;
-	        _origChanges = _;
-	        return conflicts;
-	    };
-
-
-	    conflicts.shownEntityIds = function() {
-	        if (_conflictList && typeof _shownConflictIndex === 'number') {
-	            return [_conflictList[_shownConflictIndex].id];
-	        }
-	        return [];
-	    };
-
-
-	    return utilRebind(conflicts, dispatch$1, 'on');
-	}
-
-	function uiConfirm(selection) {
-	    var modalSelection = uiModal(selection);
-
-	    modalSelection.select('.modal')
-	        .classed('modal-alert', true);
-
-	    var section = modalSelection.select('.content');
-
-	    section.append('div')
-	        .attr('class', 'modal-section header');
-
-	    section.append('div')
-	        .attr('class', 'modal-section message-text');
-
-	    var buttons = section.append('div')
-	        .attr('class', 'modal-section buttons cf');
-
-
-	    modalSelection.okButton = function() {
-	        buttons
-	            .append('button')
-	            .attr('class', 'button ok-button action')
-	            .on('click.confirm', function() {
-	                modalSelection.remove();
-	            })
-	            .text(_t('confirm.okay'))
-	            .node()
-	            .focus();
-
-	        return modalSelection;
-	    };
-
-
-	    return modalSelection;
-	}
-
-	function uiChangesetEditor(context) {
-	    var dispatch$1 = dispatch('change');
-	    var formFields = uiFormFields(context);
-	    var commentCombo = uiCombobox(context, 'comment').caseSensitive(true);
-	    var _fieldsArr;
-	    var _tags;
-	    var _changesetID;
-
-
-	    function changesetEditor(selection) {
-	        render(selection);
-	    }
-
-
-	    function render(selection) {
-	        var initial = false;
-
-	        if (!_fieldsArr) {
-	            initial = true;
-	            var presets = _mainPresetIndex;
-
-	            _fieldsArr = [
-	                uiField(context, presets.field('comment'), null, { show: true, revert: false }),
-	                uiField(context, presets.field('source'), null, { show: false, revert: false }),
-	                uiField(context, presets.field('hashtags'), null, { show: false, revert: false }),
-	            ];
-
-	            _fieldsArr.forEach(function(field) {
-	                field
-	                    .on('change', function(t, onInput) {
-	                        dispatch$1.call('change', field, undefined, t, onInput);
-	                    });
-	            });
-	        }
-
-	        _fieldsArr.forEach(function(field) {
-	            field
-	                .tags(_tags);
-	        });
-
-
-	        selection
-	            .call(formFields.fieldsArr(_fieldsArr));
-
-
-	        if (initial) {
-	            var commentField = selection.select('.form-field-comment textarea');
-	            var commentNode = commentField.node();
-
-	            if (commentNode) {
-	                commentNode.focus();
-	                commentNode.select();
-	            }
-
-	            // trigger a 'blur' event so that comment field can be cleaned
-	            // and checked for hashtags, even if retrieved from localstorage
-	            utilTriggerEvent(commentField, 'blur');
-
-	            var osm = context.connection();
-	            if (osm) {
-	                osm.userChangesets(function (err, changesets) {
-	                    if (err) return;
-
-	                    var comments = changesets.map(function(changeset) {
-	                        var comment = changeset.tags.comment;
-	                        return comment ? { title: comment, value: comment } : null;
-	                    }).filter(Boolean);
-
-	                    commentField
-	                        .call(commentCombo
-	                            .data(utilArrayUniqBy(comments, 'title'))
-	                        );
-	                });
-	            }
-	        }
-
-	        // Add warning if comment mentions Google
-	        var hasGoogle = _tags.comment.match(/google/i);
-	        var commentWarning = selection.select('.form-field-comment').selectAll('.comment-warning')
-	            .data(hasGoogle ? [0] : []);
-
-	        commentWarning.exit()
-	            .transition()
-	            .duration(200)
-	            .style('opacity', 0)
-	            .remove();
-
-	        var commentEnter = commentWarning.enter()
-	            .insert('div', '.tag-reference-body')
-	            .attr('class', 'field-warning comment-warning')
-	            .style('opacity', 0);
-
-	        commentEnter
-	            .append('a')
-	            .attr('target', '_blank')
-	            .attr('tabindex', -1)
-	            .call(svgIcon('#iD-icon-alert', 'inline'))
-	            .attr('href', _t('commit.google_warning_link'))
-	            .append('span')
-	            .text(_t('commit.google_warning'));
-
-	        commentEnter
-	            .transition()
-	            .duration(200)
-	            .style('opacity', 1);
-	    }
-
-
-	    changesetEditor.tags = function(_) {
-	        if (!arguments.length) return _tags;
-	        _tags = _;
-	        // Don't reset _fieldsArr here.
-	        return changesetEditor;
-	    };
-
-
-	    changesetEditor.changesetID = function(_) {
-	        if (!arguments.length) return _changesetID;
-	        if (_changesetID === _) return changesetEditor;
-	        _changesetID = _;
-	        _fieldsArr = null;
-	        return changesetEditor;
-	    };
-
-
-	    return utilRebind(changesetEditor, dispatch$1, 'on');
-	}
-
-	function uiSectionChanges(context) {
-	    var detected = utilDetect();
-
-	    var _discardTags = {};
-	    _mainFileFetcher.get('discarded')
-	        .then(function(d) { _discardTags = d; })
-	        .catch(function() { /* ignore */ });
-
-	    var section = uiSection('changes-list', context)
-	        .title(function() {
-	            var history = context.history();
-	            var summary = history.difference().summary();
-	            return _t('commit.changes', { count: summary.length });
-	        })
-	        .disclosureContent(renderDisclosureContent);
-
-	    function renderDisclosureContent(selection) {
-	        var history = context.history();
-	        var summary = history.difference().summary();
-
-	        var container = selection.selectAll('.commit-section')
-	            .data([0]);
-
-	        var containerEnter = container.enter()
-	            .append('div')
-	            .attr('class', 'commit-section');
-
-	        containerEnter
-	            .append('ul')
-	            .attr('class', 'changeset-list');
-
-	        container = containerEnter
-	            .merge(container);
-
-
-	        var items = container.select('ul').selectAll('li')
-	            .data(summary);
-
-	        var itemsEnter = items.enter()
-	            .append('li')
-	            .attr('class', 'change-item');
-
-	        itemsEnter
-	            .each(function(d) {
-	                select(this)
-	                    .call(svgIcon('#iD-icon-' + d.entity.geometry(d.graph), 'pre-text ' + d.changeType));
-	            });
-
-	        itemsEnter
-	            .append('span')
-	            .attr('class', 'change-type')
-	            .text(function(d) { return _t('commit.' + d.changeType) + ' '; });
-
-	        itemsEnter
-	            .append('strong')
-	            .attr('class', 'entity-type')
-	            .text(function(d) {
-	                var matched = _mainPresetIndex.match(d.entity, d.graph);
-	                return (matched && matched.name()) || utilDisplayType(d.entity.id);
-	            });
-
-	        itemsEnter
-	            .append('span')
-	            .attr('class', 'entity-name')
-	            .text(function(d) {
-	                var name = utilDisplayName(d.entity) || '',
-	                    string = '';
-	                if (name !== '') {
-	                    string += ':';
-	                }
-	                return string += ' ' + name;
-	            });
-
-	        itemsEnter
-	            .style('opacity', 0)
-	            .transition()
-	            .style('opacity', 1);
-
-	        items = itemsEnter
-	            .merge(items);
-
-	        items
-	            .on('mouseover', mouseover)
-	            .on('mouseout', mouseout)
-	            .on('click', click);
-
-
-	        // Download changeset link
-	        var changeset = new osmChangeset().update({ id: undefined });
-	        var changes = history.changes(actionDiscardTags(history.difference(), _discardTags));
-
-	        delete changeset.id;  // Export without chnageset_id
-
-	        var data = JXON.stringify(changeset.osmChangeJXON(changes));
-	        var blob = new Blob([data], {type: 'text/xml;charset=utf-8;'});
-	        var fileName = 'changes.osc';
-
-	        var linkEnter = container.selectAll('.download-changes')
-	            .data([0])
-	            .enter()
-	            .append('a')
-	            .attr('class', 'download-changes');
-
-	        if (detected.download) {      // All except IE11 and Edge
-	            linkEnter                 // download the data as a file
-	                .attr('href', window.URL.createObjectURL(blob))
-	                .attr('download', fileName);
-
-	        } else {                      // IE11 and Edge
-	            linkEnter                 // open data uri in a new tab
-	                .attr('target', '_blank')
-	                .on('click.download', function() {
-	                    navigator.msSaveBlob(blob, fileName);
-	                });
-	        }
-
-	        linkEnter
-	            .call(svgIcon('#iD-icon-load', 'inline'))
-	            .append('span')
-	            .text(_t('commit.download_changes'));
-
-
-	        function mouseover(d) {
-	            if (d.entity) {
-	                context.surface().selectAll(
-	                    utilEntityOrMemberSelector([d.entity.id], context.graph())
-	                ).classed('hover', true);
-	            }
-	        }
-
-
-	        function mouseout() {
-	            context.surface().selectAll('.hover')
-	                .classed('hover', false);
-	        }
-
-
-	        function click(change) {
-	            if (change.changeType !== 'deleted') {
-	                var entity = change.entity;
-	                context.map().zoomToEase(entity);
-	                context.surface().selectAll(utilEntityOrMemberSelector([entity.id], context.graph()))
-	                    .classed('hover', true);
-	            }
-	        }
-	    }
-
-	    return section;
-	}
-
-	function uiCommitWarnings(context) {
-
-	    function commitWarnings(selection) {
-	        var issuesBySeverity = context.validator()
-	            .getIssuesBySeverity({ what: 'edited', where: 'all', includeDisabledRules: true });
-
-	        for (var severity in issuesBySeverity) {
-	            var issues = issuesBySeverity[severity];
-	            var section = severity + '-section';
-	            var issueItem = severity + '-item';
-
-	            var container = selection.selectAll('.' + section)
-	                .data(issues.length ? [0] : []);
-
-	            container.exit()
-	                .remove();
-
-	            var containerEnter = container.enter()
-	                .append('div')
-	                .attr('class', 'modal-section ' + section + ' fillL2');
-
-	            containerEnter
-	                .append('h3')
-	                .text(severity === 'warning' ? _t('commit.warnings') : _t('commit.errors'));
-
-	            containerEnter
-	                .append('ul')
-	                .attr('class', 'changeset-list');
-
-	            container = containerEnter
-	                .merge(container);
-
-
-	            var items = container.select('ul').selectAll('li')
-	                .data(issues, function(d) { return d.id; });
-
-	            items.exit()
-	                .remove();
-
-	            var itemsEnter = items.enter()
-	                .append('li')
-	                .attr('class', issueItem);
-
-	            itemsEnter
-	                .call(svgIcon('#iD-icon-alert', 'pre-text'));
-
-	            itemsEnter
-	                .append('strong')
-	                .attr('class', 'issue-message');
-
-	            itemsEnter.filter(function(d) { return d.tooltip; })
-	                .call(uiTooltip()
-	                    .title(function(d) { return d.tooltip; })
-	                    .placement('top')
-	                );
-
-	            items = itemsEnter
-	                .merge(items);
-
-	            items.selectAll('.issue-message')
-	                .text(function(d) {
-	                    return d.message(context);
-	                });
-
-	            items
-	                .on('mouseover', function(d) {
-	                    if (d.entityIds) {
-	                        context.surface().selectAll(
-	                            utilEntityOrMemberSelector(
-	                                d.entityIds,
-	                                context.graph()
-	                            )
-	                        ).classed('hover', true);
-	                    }
-	                })
-	                .on('mouseout', function() {
-	                    context.surface().selectAll('.hover')
-	                        .classed('hover', false);
-	                })
-	                .on('click', function(d) {
-	                    context.validator().focusIssue(d);
-	                });
-	        }
-	    }
-
-
-	    return commitWarnings;
-	}
-
-	var readOnlyTags = [
-	    /^changesets_count$/,
-	    /^created_by$/,
-	    /^ideditor:/,
-	    /^imagery_used$/,
-	    /^host$/,
-	    /^locale$/,
-	    /^warnings:/,
-	    /^resolved:/,
-	    /^closed:note$/,
-	    /^closed:keepright$/,
-	    /^closed:improveosm:/,
-	    /^closed:osmose:/
-	];
-
-	// treat most punctuation (except -, _, +, &) as hashtag delimiters - #4398
-	// from https://stackoverflow.com/a/25575009
-	var hashtagRegex = /(#[^\u2000-\u206F\u2E00-\u2E7F\s\\'!"#$%()*,.\/:;<=>?@\[\]^`{|}~]+)/g;
-
-
-	function uiCommit(context) {
-	    var dispatch$1 = dispatch('cancel');
-	    var _userDetails;
-	    var _selection;
-
-	    var changesetEditor = uiChangesetEditor(context)
-	        .on('change', changeTags);
-	    var rawTagEditor = uiSectionRawTagEditor('changeset-tag-editor', context)
-	        .on('change', changeTags)
-	        .readOnlyTags(readOnlyTags);
-	    var commitChanges = uiSectionChanges(context);
-	    var commitWarnings = uiCommitWarnings(context);
-
-
-	    function commit(selection) {
-	        _selection = selection;
-
-	        // Initialize changeset if one does not exist yet.
-	        if (!context.changeset) initChangeset();
-
-	        loadDerivedChangesetTags();
-
-	        selection.call(render);
-	    }
-
-	    function initChangeset() {
-
-	        // expire stored comment, hashtags, source after cutoff datetime - #3947 #4899
-	        var commentDate = +corePreferences('commentDate') || 0;
-	        var currDate = Date.now();
-	        var cutoff = 2 * 86400 * 1000;   // 2 days
-	        if (commentDate > currDate || currDate - commentDate > cutoff) {
-	            corePreferences('comment', null);
-	            corePreferences('hashtags', null);
-	            corePreferences('source', null);
-	        }
-
-	        // load in explicitly-set values, if any
-	        if (context.defaultChangesetComment()) {
-	            corePreferences('comment', context.defaultChangesetComment());
-	            corePreferences('commentDate', Date.now());
-	        }
-	        if (context.defaultChangesetSource()) {
-	            corePreferences('source', context.defaultChangesetSource());
-	            corePreferences('commentDate', Date.now());
-	        }
-	        if (context.defaultChangesetHashtags()) {
-	            corePreferences('hashtags', context.defaultChangesetHashtags());
-	            corePreferences('commentDate', Date.now());
-	        }
-
-	        var detected = utilDetect();
-	        var tags = {
-	            comment: corePreferences('comment') || '',
-	            created_by: context.cleanTagValue('iD ' + context.version),
-	            host: context.cleanTagValue(detected.host),
-	            locale: context.cleanTagValue(_mainLocalizer.localeCode())
-	        };
-
-	        // call findHashtags initially - this will remove stored
-	        // hashtags if any hashtags are found in the comment - #4304
-	        findHashtags(tags, true);
-
-	        var hashtags = corePreferences('hashtags');
-	        if (hashtags) {
-	            tags.hashtags = hashtags;
-	        }
-
-	        var source = corePreferences('source');
-	        if (source) {
-	            tags.source = source;
-	        }
-	        var photoOverlaysUsed = context.history().photoOverlaysUsed();
-	        if (photoOverlaysUsed.length) {
-	            var sources = (tags.source || '').split(';');
-
-	            // include this tag for any photo layer
-	            if (sources.indexOf('streetlevel imagery') === -1) {
-	                sources.push('streetlevel imagery');
-	            }
-
-	            // add the photo overlays used during editing as sources
-	            photoOverlaysUsed.forEach(function(photoOverlay) {
-	                if (sources.indexOf(photoOverlay) === -1) {
-	                    sources.push(photoOverlay);
-	                }
-	            });
-
-	            tags.source = context.cleanTagValue(sources.join(';'));
-	        }
-
-	        context.changeset = new osmChangeset({ tags: tags });
-	    }
-
-	    // Calculates read-only metadata tags based on the user's editing session and applies
-	    // them to the changeset.
-	    function loadDerivedChangesetTags() {
-
-	        var osm = context.connection();
-	        if (!osm) return;
-
-	        var tags = Object.assign({}, context.changeset.tags);   // shallow copy
-
-	        // assign tags for imagery used
-	        var imageryUsed = context.cleanTagValue(context.history().imageryUsed().join(';'));
-	        tags.imagery_used = imageryUsed || 'None';
-
-	        // assign tags for closed issues and notes
-	        var osmClosed = osm.getClosedIDs();
-	        var itemType;
-	        if (osmClosed.length) {
-	            tags['closed:note'] = context.cleanTagValue(osmClosed.join(';'));
-	        }
-	        if (services.keepRight) {
-	            var krClosed = services.keepRight.getClosedIDs();
-	            if (krClosed.length) {
-	                tags['closed:keepright'] = context.cleanTagValue(krClosed.join(';'));
-	            }
-	        }
-	        if (services.improveOSM) {
-	            var iOsmClosed = services.improveOSM.getClosedCounts();
-	            for (itemType in iOsmClosed) {
-	                tags['closed:improveosm:' + itemType] = context.cleanTagValue(iOsmClosed[itemType].toString());
-	            }
-	        }
-	        if (services.osmose) {
-	            var osmoseClosed = services.osmose.getClosedCounts();
-	            for (itemType in osmoseClosed) {
-	                tags['closed:osmose:' + itemType] = context.cleanTagValue(osmoseClosed[itemType].toString());
-	            }
-	        }
-
-	        // remove existing issue counts
-	        for (var key in tags) {
-	            if (key.match(/(^warnings:)|(^resolved:)/)) {
-	                delete tags[key];
-	            }
-	        }
-
-	        function addIssueCounts(issues, prefix) {
-	            var issuesByType = utilArrayGroupBy(issues, 'type');
-	            for (var issueType in issuesByType) {
-	                var issuesOfType = issuesByType[issueType];
-	                if (issuesOfType[0].subtype) {
-	                    var issuesBySubtype = utilArrayGroupBy(issuesOfType, 'subtype');
-	                    for (var issueSubtype in issuesBySubtype) {
-	                        var issuesOfSubtype = issuesBySubtype[issueSubtype];
-	                        tags[prefix + ':' + issueType + ':' + issueSubtype] = context.cleanTagValue(issuesOfSubtype.length.toString());
-	                    }
-	                } else {
-	                    tags[prefix + ':' + issueType] = context.cleanTagValue(issuesOfType.length.toString());
-	                }
-	            }
-	        }
-
-	        // add counts of warnings generated by the user's edits
-	        var warnings = context.validator()
-	            .getIssuesBySeverity({ what: 'edited', where: 'all', includeIgnored: true, includeDisabledRules: true }).warning;
-	        addIssueCounts(warnings, 'warnings');
-
-	        // add counts of issues resolved by the user's edits
-	        var resolvedIssues = context.validator().getResolvedIssues();
-	        addIssueCounts(resolvedIssues, 'resolved');
-
-	        context.changeset = context.changeset.update({ tags: tags });
-	    }
-
-	    function render(selection) {
-
-	        var osm = context.connection();
-	        if (!osm) return;
-
-	        var header = selection.selectAll('.header')
-	            .data([0]);
-
-	        var headerTitle = header.enter()
-	            .append('div')
-	            .attr('class', 'header fillL header-container');
-
-	        headerTitle
-	            .append('div')
-	            .attr('class', 'header-block header-block-outer');
-
-	        headerTitle
-	            .append('div')
-	            .attr('class', 'header-block')
-	            .append('h3')
-	            .text(_t('commit.title'));
-
-	        headerTitle
-	            .append('div')
-	            .attr('class', 'header-block header-block-outer header-block-close')
-	            .append('button')
-	            .attr('class', 'close')
-	            .on('click', function() {
-	                dispatch$1.call('cancel', this);
-	            })
-	            .call(svgIcon('#iD-icon-close'));
-
-	        var body = selection.selectAll('.body')
-	            .data([0]);
-
-	        body = body.enter()
-	            .append('div')
-	            .attr('class', 'body')
-	            .merge(body);
-
-
-	        // Changeset Section
-	        var changesetSection = body.selectAll('.changeset-editor')
-	            .data([0]);
-
-	        changesetSection = changesetSection.enter()
-	            .append('div')
-	            .attr('class', 'modal-section changeset-editor')
-	            .merge(changesetSection);
-
-	        changesetSection
-	            .call(changesetEditor
-	                .changesetID(context.changeset.id)
-	                .tags(context.changeset.tags)
-	            );
-
-
-	        // Warnings
-	        body.call(commitWarnings);
-
-
-	        // Upload Explanation
-	        var saveSection = body.selectAll('.save-section')
-	            .data([0]);
-
-	        saveSection = saveSection.enter()
-	            .append('div')
-	            .attr('class','modal-section save-section fillL')
-	            .merge(saveSection);
-
-	        var prose = saveSection.selectAll('.commit-info')
-	            .data([0]);
-
-	        if (prose.enter().size()) {   // first time, make sure to update user details in prose
-	            _userDetails = null;
-	        }
-
-	        prose = prose.enter()
-	            .append('p')
-	            .attr('class', 'commit-info')
-	            .text(_t('commit.upload_explanation'))
-	            .merge(prose);
-
-	        // always check if this has changed, but only update prose.html()
-	        // if needed, because it can trigger a style recalculation
-	        osm.userDetails(function(err, user) {
-	            if (err) return;
-
-	            if (_userDetails === user) return;  // no change
-	            _userDetails = user;
-
-	            var userLink = select(document.createElement('div'));
-
-	            if (user.image_url) {
-	                userLink
-	                    .append('img')
-	                    .attr('src', user.image_url)
-	                    .attr('class', 'icon pre-text user-icon');
-	            }
-
-	            userLink
-	                .append('a')
-	                .attr('class', 'user-info')
-	                .text(user.display_name)
-	                .attr('href', osm.userURL(user.display_name))
-	                .attr('target', '_blank');
-
-	            prose
-	                .html(_t('commit.upload_explanation_with_user', { user: userLink.html() }));
-	        });
-
-
-	        // Request Review
-	        var requestReview = saveSection.selectAll('.request-review')
-	            .data([0]);
-
-	        // Enter
-	        var requestReviewEnter = requestReview.enter()
-	            .append('div')
-	            .attr('class', 'request-review');
-
-	        var requestReviewDomId = utilUniqueDomId('commit-input-request-review');
-
-	        var labelEnter = requestReviewEnter
-	            .append('label')
-	            .attr('for', requestReviewDomId);
-
-	        labelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .attr('id', requestReviewDomId);
-
-	        labelEnter
-	            .append('span')
-	            .text(_t('commit.request_review'));
-
-	        // Update
-	        requestReview = requestReview
-	            .merge(requestReviewEnter);
-
-	        var requestReviewInput = requestReview.selectAll('input')
-	            .property('checked', isReviewRequested(context.changeset.tags))
-	            .on('change', toggleRequestReview);
-
-
-	        // Buttons
-	        var buttonSection = saveSection.selectAll('.buttons')
-	            .data([0]);
-
-	        // enter
-	        var buttonEnter = buttonSection.enter()
-	            .append('div')
-	            .attr('class', 'buttons fillL');
-
-	        buttonEnter
-	            .append('button')
-	            .attr('class', 'secondary-action button cancel-button')
-	            .append('span')
-	            .attr('class', 'label')
-	            .text(_t('commit.cancel'));
-
-	        var uploadButton = buttonEnter
-	            .append('button')
-	            .attr('class', 'action button save-button');
-
-	        uploadButton.append('span')
-	            .attr('class', 'label')
-	            .text(_t('commit.save'));
-
-	        var uploadBlockerTooltipText = getUploadBlockerMessage();
-
-	        // update
-	        buttonSection = buttonSection
-	            .merge(buttonEnter);
-
-	        buttonSection.selectAll('.cancel-button')
-	            .on('click.cancel', function() {
-	                dispatch$1.call('cancel', this);
-	            });
-
-	        buttonSection.selectAll('.save-button')
-	            .classed('disabled', uploadBlockerTooltipText !== null)
-	            .on('click.save', function() {
-	                if (!select(this).classed('disabled')) {
-	                    this.blur();    // avoid keeping focus on the button - #4641
-	                    context.uploader().save(context.changeset);
-	                }
-	            });
-
-	        // remove any existing tooltip
-	        uiTooltip().destroyAny(buttonSection.selectAll('.save-button'));
-
-	        if (uploadBlockerTooltipText) {
-	            buttonSection.selectAll('.save-button')
-	                .call(uiTooltip().title(uploadBlockerTooltipText).placement('top'));
-	        }
-
-	        // Raw Tag Editor
-	        var tagSection = body.selectAll('.tag-section.raw-tag-editor')
-	            .data([0]);
-
-	        tagSection = tagSection.enter()
-	            .append('div')
-	            .attr('class', 'modal-section tag-section raw-tag-editor')
-	            .merge(tagSection);
-
-	        tagSection
-	            .call(rawTagEditor
-	                .tags(Object.assign({}, context.changeset.tags))   // shallow copy
-	                .render
-	            );
-
-	        var changesSection = body.selectAll('.commit-changes-section')
-	            .data([0]);
-
-	        changesSection = changesSection.enter()
-	            .append('div')
-	            .attr('class', 'modal-section commit-changes-section')
-	            .merge(changesSection);
-
-	        // Change summary
-	        changesSection.call(commitChanges.render);
-
-
-	        function toggleRequestReview() {
-	            var rr = requestReviewInput.property('checked');
-	            updateChangeset({ review_requested: (rr ? 'yes' : undefined) });
-
-	            tagSection
-	                .call(rawTagEditor
-	                    .tags(Object.assign({}, context.changeset.tags))   // shallow copy
-	                    .render
-	                );
-	        }
-	    }
-
-
-	    function getUploadBlockerMessage() {
-	        var errors = context.validator()
-	            .getIssuesBySeverity({ what: 'edited', where: 'all' }).error;
-
-	        if (errors.length) {
-	            return _t('commit.outstanding_errors_message', { count: errors.length });
-
-	        } else {
-	            var hasChangesetComment = context.changeset && context.changeset.tags.comment && context.changeset.tags.comment.trim().length;
-	            if (!hasChangesetComment) {
-	                return _t('commit.comment_needed_message');
-	            }
-	        }
-	        return null;
-	    }
-
-
-	    function changeTags(_, changed, onInput) {
-	        if (changed.hasOwnProperty('comment')) {
-	            if (changed.comment === undefined) {
-	                changed.comment = '';
-	            }
-	            if (!onInput) {
-	                corePreferences('comment', changed.comment);
-	                corePreferences('commentDate', Date.now());
-	            }
-	        }
-	        if (changed.hasOwnProperty('source')) {
-	            if (changed.source === undefined) {
-	                corePreferences('source', null);
-	            } else if (!onInput) {
-	                corePreferences('source', changed.source);
-	                corePreferences('commentDate', Date.now());
-	            }
-	        }
-	        // no need to update `prefs` for `hashtags` here since it's done in `updateChangeset`
-
-	        updateChangeset(changed, onInput);
-
-	        if (_selection) {
-	            _selection.call(render);
-	        }
-	    }
-
-
-	    function findHashtags(tags, commentOnly) {
-	        var detectedHashtags = commentHashtags();
-
-	        if (detectedHashtags.length) {
-	            // always remove stored hashtags if there are hashtags in the comment - #4304
-	            corePreferences('hashtags', null);
-	        }
-	        if (!detectedHashtags.length || !commentOnly) {
-	            detectedHashtags = detectedHashtags.concat(hashtagHashtags());
-	        }
-
-	        var allLowerCase = new Set();
-	        return detectedHashtags.filter(function(hashtag) {
-	            // Compare tags as lowercase strings, but keep original case tags
-	            var lowerCase = hashtag.toLowerCase();
-	            if (!allLowerCase.has(lowerCase)) {
-	                allLowerCase.add(lowerCase);
-	                return true;
-	            }
-	            return false;
-	        });
-
-	        // Extract hashtags from `comment`
-	        function commentHashtags() {
-	            var matches = (tags.comment || '')
-	                .replace(/http\S*/g, '')  // drop anything that looks like a URL - #4289
-	                .match(hashtagRegex);
-
-	            return matches || [];
-	        }
-
-	        // Extract and clean hashtags from `hashtags`
-	        function hashtagHashtags() {
-	            var matches = (tags.hashtags || '')
-	                .split(/[,;\s]+/)
-	                .map(function (s) {
-	                    if (s[0] !== '#') { s = '#' + s; }    // prepend '#'
-	                    var matched = s.match(hashtagRegex);
-	                    return matched && matched[0];
-	                }).filter(Boolean);                       // exclude falsy
-
-	            return matches || [];
-	        }
-	    }
-
-
-	    function isReviewRequested(tags) {
-	        var rr = tags.review_requested;
-	        if (rr === undefined) return false;
-	        rr = rr.trim().toLowerCase();
-	        return !(rr === '' || rr === 'no');
-	    }
-
-
-	    function updateChangeset(changed, onInput) {
-	        var tags = Object.assign({}, context.changeset.tags);   // shallow copy
-
-	        Object.keys(changed).forEach(function(k) {
-	            var v = changed[k];
-	            k = context.cleanTagKey(k);
-	            if (readOnlyTags.indexOf(k) !== -1) return;
-
-	            if (k !== '' && v !== undefined) {
-	                if (onInput) {
-	                    tags[k] = v;
-	                } else {
-	                    tags[k] = context.cleanTagValue(v);
-	                }
-	            } else {
-	                delete tags[k];
-	            }
-	        });
-
-	        if (!onInput) {
-	            // when changing the comment, override hashtags with any found in comment.
-	            var commentOnly = changed.hasOwnProperty('comment') && (changed.comment !== '');
-	            var arr = findHashtags(tags, commentOnly);
-	            if (arr.length) {
-	                tags.hashtags = context.cleanTagValue(arr.join(';'));
-	                corePreferences('hashtags', tags.hashtags);
-	            } else {
-	                delete tags.hashtags;
-	                corePreferences('hashtags', null);
-	            }
-	        }
-
-	        // always update userdetails, just in case user reauthenticates as someone else
-	        if (_userDetails && _userDetails.changesets_count !== undefined) {
-	            var changesetsCount = parseInt(_userDetails.changesets_count, 10) + 1;  // #4283
-	            tags.changesets_count = String(changesetsCount);
-
-	            // first 100 edits - new user
-	            if (changesetsCount <= 100) {
-	                var s;
-	                s = corePreferences('walkthrough_completed');
-	                if (s) {
-	                    tags['ideditor:walkthrough_completed'] = s;
-	                }
-
-	                s = corePreferences('walkthrough_progress');
-	                if (s) {
-	                    tags['ideditor:walkthrough_progress'] = s;
-	                }
-
-	                s = corePreferences('walkthrough_started');
-	                if (s) {
-	                    tags['ideditor:walkthrough_started'] = s;
-	                }
-	            }
-	        } else {
-	            delete tags.changesets_count;
-	        }
-
-	        if (!fastDeepEqual(context.changeset.tags, tags)) {
-	            context.changeset = context.changeset.update({ tags: tags });
-	        }
-	    }
-
-
-	    commit.reset = function() {
-	        context.changeset = null;
-	    };
-
-
-	    return utilRebind(commit, dispatch$1, 'on');
-	}
-
-	var RADIUS = 6378137;
-	var FLATTENING = 1/298.257223563;
-	var POLAR_RADIUS$1 = 6356752.3142;
-
-	var wgs84 = {
-		RADIUS: RADIUS,
-		FLATTENING: FLATTENING,
-		POLAR_RADIUS: POLAR_RADIUS$1
-	};
-
-	var geometry_1 = geometry;
-	var ring = ringArea;
-
-	function geometry(_) {
-	    var area = 0, i;
-	    switch (_.type) {
-	        case 'Polygon':
-	            return polygonArea(_.coordinates);
-	        case 'MultiPolygon':
-	            for (i = 0; i < _.coordinates.length; i++) {
-	                area += polygonArea(_.coordinates[i]);
-	            }
-	            return area;
-	        case 'Point':
-	        case 'MultiPoint':
-	        case 'LineString':
-	        case 'MultiLineString':
-	            return 0;
-	        case 'GeometryCollection':
-	            for (i = 0; i < _.geometries.length; i++) {
-	                area += geometry(_.geometries[i]);
-	            }
-	            return area;
-	    }
-	}
-
-	function polygonArea(coords) {
-	    var area = 0;
-	    if (coords && coords.length > 0) {
-	        area += Math.abs(ringArea(coords[0]));
-	        for (var i = 1; i < coords.length; i++) {
-	            area -= Math.abs(ringArea(coords[i]));
-	        }
-	    }
-	    return area;
-	}
-
-	/**
-	 * Calculate the approximate area of the polygon were it projected onto
-	 *     the earth.  Note that this area will be positive if ring is oriented
-	 *     clockwise, otherwise it will be negative.
-	 *
-	 * Reference:
-	 * Robert. G. Chamberlain and William H. Duquette, "Some Algorithms for
-	 *     Polygons on a Sphere", JPL Publication 07-03, Jet Propulsion
-	 *     Laboratory, Pasadena, CA, June 2007 http://trs-new.jpl.nasa.gov/dspace/handle/2014/40409
-	 *
-	 * Returns:
-	 * {float} The approximate signed geodesic area of the polygon in square
-	 *     meters.
-	 */
-
-	function ringArea(coords) {
-	    var p1, p2, p3, lowerIndex, middleIndex, upperIndex, i,
-	    area = 0,
-	    coordsLength = coords.length;
-
-	    if (coordsLength > 2) {
-	        for (i = 0; i < coordsLength; i++) {
-	            if (i === coordsLength - 2) {// i = N-2
-	                lowerIndex = coordsLength - 2;
-	                middleIndex = coordsLength -1;
-	                upperIndex = 0;
-	            } else if (i === coordsLength - 1) {// i = N-1
-	                lowerIndex = coordsLength - 1;
-	                middleIndex = 0;
-	                upperIndex = 1;
-	            } else { // i = 0 to N-3
-	                lowerIndex = i;
-	                middleIndex = i+1;
-	                upperIndex = i+2;
-	            }
-	            p1 = coords[lowerIndex];
-	            p2 = coords[middleIndex];
-	            p3 = coords[upperIndex];
-	            area += ( rad(p3[0]) - rad(p1[0]) ) * Math.sin( rad(p2[1]));
-	        }
-
-	        area = area * wgs84.RADIUS * wgs84.RADIUS / 2;
-	    }
-
-	    return area;
-	}
-
-	function rad(_) {
-	    return _ * Math.PI / 180;
-	}
-
-	var geojsonArea = {
-		geometry: geometry_1,
-		ring: ring
-	};
-
-	function toRadians(angleInDegrees) {
-	  return (angleInDegrees * Math.PI) / 180;
-	}
-
-	function toDegrees(angleInRadians) {
-	  return (angleInRadians * 180) / Math.PI;
-	}
-
-	function offset(c1, distance, bearing) {
-	  var lat1 = toRadians(c1[1]);
-	  var lon1 = toRadians(c1[0]);
-	  var dByR = distance / 6378137; // distance divided by 6378137 (radius of the earth) wgs84
-	  var lat = Math.asin(
-	    Math.sin(lat1) * Math.cos(dByR) +
-	      Math.cos(lat1) * Math.sin(dByR) * Math.cos(bearing)
-	  );
-	  var lon =
-	    lon1 +
-	    Math.atan2(
-	      Math.sin(bearing) * Math.sin(dByR) * Math.cos(lat1),
-	      Math.cos(dByR) - Math.sin(lat1) * Math.sin(lat)
-	    );
-	  return [toDegrees(lon), toDegrees(lat)];
-	}
-
-	function validateCenter(center) {
-	  const validCenterLengths = [2, 3];
-	  if (!Array.isArray(center) || !validCenterLengths.includes(center.length)) {
-	    throw new Error("ERROR! Center has to be an array of length two or three");
-	  }
-	  const [lng, lat] = center;
-	  if (typeof lng !== "number" || typeof lat !== "number") {
-	    throw new Error(
-	      `ERROR! Longitude and Latitude has to be numbers but where ${typeof lng} and ${typeof lat}`
-	    );
-	  }
-	  if (lng > 180 || lng < -180) {
-	    throw new Error(
-	      `ERROR! Longitude has to be between -180 and 180 but was ${lng}`
-	    );
-	  }
-
-	  if (lat > 90 || lat < -90) {
-	    throw new Error(
-	      `ERROR! Latitude has to be between -90 and 90 but was ${lat}`
-	    );
-	  }
-	}
-
-	function validateRadius(radius) {
-	  if (typeof radius !== "number") {
-	    throw new Error(
-	      `ERROR! Radius has to be a positive number but was: ${typeof radius}`
-	    );
-	  }
-
-	  if (radius <= 0) {
-	    throw new Error(
-	      `ERROR! Radius has to be a positive number but was: ${radius}`
-	    );
-	  }
-	}
-
-	function validateNumberOfSegments(numberOfSegments) {
-	  if (typeof numberOfSegments !== "number" && numberOfSegments !== undefined) {
-	    throw new Error(
-	      `ERROR! Number of segments has to be a number but was: ${typeof numberOfSegments}`
-	    );
-	  }
-
-	  if (numberOfSegments < 3) {
-	    throw new Error(
-	      `ERROR! Number of segments has to be at least 3 but was: ${numberOfSegments}`
-	    );
-	  }
-	}
-
-	function validateInput({ center, radius, numberOfSegments }) {
-	  validateCenter(center);
-	  validateRadius(radius);
-	  validateNumberOfSegments(numberOfSegments);
-	}
-
-	var circleToPolygon = function circleToPolygon(center, radius, numberOfSegments) {
-	  var n = numberOfSegments ? numberOfSegments : 32;
-
-	  // validateInput() throws error on invalid input and do nothing on valid input
-	  validateInput({ center, radius, numberOfSegments });
-
-	  var coordinates = [];
-	  for (var i = 0; i < n; ++i) {
-	    coordinates.push(offset(center, radius, (2 * Math.PI * -i) / n));
-	  }
-	  coordinates.push(coordinates[0]);
-
-	  return {
-	    type: "Polygon",
-	    coordinates: [coordinates]
-	  };
-	};
-
-	var geojsonPrecision = createCommonjsModule(function (module) {
-	(function() {
-
-	  function parse(t, coordinatePrecision, extrasPrecision) {
-
-	    function point(p) {
-	      return p.map(function(e, index) {
-	        if (index < 2) {
-	            return 1 * e.toFixed(coordinatePrecision);
-	        } else {
-	            return 1 * e.toFixed(extrasPrecision);
-	        }
-	      });
-	    }
-
-	    function multi(l) {
-	      return l.map(point);
-	    }
-
-	    function poly(p) {
-	      return p.map(multi);
-	    }
-
-	    function multiPoly(m) {
-	      return m.map(poly);
-	    }
-
-	    function geometry(obj) {
-	      if (!obj) {
-	        return {};
-	      }
-	      
-	      switch (obj.type) {
-	        case "Point":
-	          obj.coordinates = point(obj.coordinates);
-	          return obj;
-	        case "LineString":
-	        case "MultiPoint":
-	          obj.coordinates = multi(obj.coordinates);
-	          return obj;
-	        case "Polygon":
-	        case "MultiLineString":
-	          obj.coordinates = poly(obj.coordinates);
-	          return obj;
-	        case "MultiPolygon":
-	          obj.coordinates = multiPoly(obj.coordinates);
-	          return obj;
-	        case "GeometryCollection":
-	          obj.geometries = obj.geometries.map(geometry);
-	          return obj;
-	        default :
-	          return {};
-	      }
-	    }
-
-	    function feature(obj) {
-	      obj.geometry = geometry(obj.geometry);
-	      return obj
-	    }
-
-	    function featureCollection(f) {
-	      f.features = f.features.map(feature);
-	      return f;
-	    }
-
-	    function geometryCollection(g) {
-	      g.geometries = g.geometries.map(geometry);
-	      return g;
-	    }
-
-	    if (!t) {
-	      return t;
-	    }
-
-	    switch (t.type) {
-	      case "Feature":
-	        return feature(t);
-	      case "GeometryCollection" :
-	        return geometryCollection(t);
-	      case "FeatureCollection" :
-	        return featureCollection(t);
-	      case "Point":
-	      case "LineString":
-	      case "Polygon":
-	      case "MultiPoint":
-	      case "MultiPolygon":
-	      case "MultiLineString":
-	        return geometry(t);
-	      default :
-	        return t;
-	    }
-	      
-	  }
-
-	  module.exports = parse;
-	  module.exports.parse = parse;
-
-	}());
-	});
-
-	/* Polyfill service v3.13.0
-	 * For detailed credits and licence information see http://github.com/financial-times/polyfill-service
-	 *
-	 * - Array.prototype.fill, License: CC0 */
-
-	if (!('fill' in Array.prototype)) {
-	  Object.defineProperty(Array.prototype, 'fill', {
-	    configurable: true,
-	    value: function fill (value) {
-	      if (this === undefined || this === null) {
-	        throw new TypeError(this + ' is not an object')
-	      }
-
-	      var arrayLike = Object(this);
-
-	      var length = Math.max(Math.min(arrayLike.length, 9007199254740991), 0) || 0;
-
-	      var relativeStart = 1 in arguments ? parseInt(Number(arguments[1]), 10) || 0 : 0;
-
-	      relativeStart = relativeStart < 0 ? Math.max(length + relativeStart, 0) : Math.min(relativeStart, length);
-
-	      var relativeEnd = 2 in arguments && arguments[2] !== undefined ? parseInt(Number(arguments[2]), 10) || 0 : length;
-
-	      relativeEnd = relativeEnd < 0 ? Math.max(length + arguments[2], 0) : Math.min(relativeEnd, length);
-
-	      while (relativeStart < relativeEnd) {
-	        arrayLike[relativeStart] = value;
-
-	        ++relativeStart;
-	      }
-
-	      return arrayLike
-	    },
-	    writable: true
-	  });
-	}
-
-	/**
-	 * Polyfill for IE support
-	 */
-	Number.isFinite = Number.isFinite || function (value) {
-	  return typeof value === 'number' && isFinite(value)
-	};
-
-	Number.isInteger = Number.isInteger || function (val) {
-	  return typeof val === 'number' &&
-	  isFinite(val) &&
-	  Math.floor(val) === val
-	};
-
-	Number.parseFloat = Number.parseFloat || parseFloat;
-
-	Number.isNaN = Number.isNaN || function (value) {
-	  return value !== value // eslint-disable-line
-	};
-
-	/**
-	 * Polyfill for IE support
-	 */
-	Math.trunc = Math.trunc || function (x) {
-	  return x < 0 ? Math.ceil(x) : Math.floor(x)
-	};
-
-	var NumberUtil = function NumberUtil () {};
-
-	NumberUtil.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	NumberUtil.prototype.getClass = function getClass () {
-	  return NumberUtil
-	};
-	NumberUtil.prototype.equalsWithTolerance = function equalsWithTolerance (x1, x2, tolerance) {
-	  return Math.abs(x1 - x2) <= tolerance
-	};
-
-	var IllegalArgumentException = (function (Error) {
-		function IllegalArgumentException (message) {
-			Error.call(this, message);
-			this.name = 'IllegalArgumentException';
-			this.message = message;
-			this.stack = (new Error()).stack;
-		}
-
-		if ( Error ) IllegalArgumentException.__proto__ = Error;
-		IllegalArgumentException.prototype = Object.create( Error && Error.prototype );
-		IllegalArgumentException.prototype.constructor = IllegalArgumentException;
-
-		return IllegalArgumentException;
-	}(Error));
-
-	var Double = function Double () {};
-
-	var staticAccessors$1 = { MAX_VALUE: { configurable: true } };
-
-	Double.isNaN = function isNaN (n) { return Number.isNaN(n) };
-	Double.doubleToLongBits = function doubleToLongBits (n) { return n };
-	Double.longBitsToDouble = function longBitsToDouble (n) { return n };
-	Double.isInfinite = function isInfinite (n) { return !Number.isFinite(n) };
-	staticAccessors$1.MAX_VALUE.get = function () { return Number.MAX_VALUE };
-
-	Object.defineProperties( Double, staticAccessors$1 );
-
-	var Comparable = function Comparable () {};
-
-	var Clonable = function Clonable () {};
-
-	var Comparator = function Comparator () {};
-
-	function Serializable () {}
-
-	// import Assert from '../util/Assert'
-
-	var Coordinate = function Coordinate () {
-	  this.x = null;
-	  this.y = null;
-	  this.z = null;
-	  if (arguments.length === 0) {
-	    this.x = 0.0;
-	    this.y = 0.0;
-	    this.z = Coordinate.NULL_ORDINATE;
-	  } else if (arguments.length === 1) {
-	    var c = arguments[0];
-	    this.x = c.x;
-	    this.y = c.y;
-	    this.z = c.z;
-	  } else if (arguments.length === 2) {
-	    this.x = arguments[0];
-	    this.y = arguments[1];
-	    this.z = Coordinate.NULL_ORDINATE;
-	  } else if (arguments.length === 3) {
-	    this.x = arguments[0];
-	    this.y = arguments[1];
-	    this.z = arguments[2];
-	  }
-	};
-
-	var staticAccessors = { DimensionalComparator: { configurable: true },serialVersionUID: { configurable: true },NULL_ORDINATE: { configurable: true },X: { configurable: true },Y: { configurable: true },Z: { configurable: true } };
-	Coordinate.prototype.setOrdinate = function setOrdinate (ordinateIndex, value) {
-	  switch (ordinateIndex) {
-	    case Coordinate.X:
-	      this.x = value;
-	      break
-	    case Coordinate.Y:
-	      this.y = value;
-	      break
-	    case Coordinate.Z:
-	      this.z = value;
-	      break
-	    default:
-	      throw new IllegalArgumentException('Invalid ordinate index: ' + ordinateIndex)
-	  }
-	};
-	Coordinate.prototype.equals2D = function equals2D () {
-	  if (arguments.length === 1) {
-	    var other = arguments[0];
-	    if (this.x !== other.x) {
-	      return false
-	    }
-	    if (this.y !== other.y) {
-	      return false
-	    }
-	    return true
-	  } else if (arguments.length === 2) {
-	    var c = arguments[0];
-	    var tolerance = arguments[1];
-	    if (!NumberUtil.equalsWithTolerance(this.x, c.x, tolerance)) {
-	      return false
-	    }
-	    if (!NumberUtil.equalsWithTolerance(this.y, c.y, tolerance)) {
-	      return false
-	    }
-	    return true
-	  }
-	};
-	Coordinate.prototype.getOrdinate = function getOrdinate (ordinateIndex) {
-	  switch (ordinateIndex) {
-	    case Coordinate.X:
-	      return this.x
-	    case Coordinate.Y:
-	      return this.y
-	    case Coordinate.Z:
-	      return this.z
-	  }
-	  throw new IllegalArgumentException('Invalid ordinate index: ' + ordinateIndex)
-	};
-	Coordinate.prototype.equals3D = function equals3D (other) {
-	  return this.x === other.x &&
-	         this.y === other.y &&
-	         ((this.z === other.z || Double.isNaN(this.z)) &&
-	         Double.isNaN(other.z))
-	};
-	Coordinate.prototype.equals = function equals (other) {
-	  if (!(other instanceof Coordinate)) {
-	    return false
-	  }
-	  return this.equals2D(other)
-	};
-	Coordinate.prototype.equalInZ = function equalInZ (c, tolerance) {
-	  return NumberUtil.equalsWithTolerance(this.z, c.z, tolerance)
-	};
-	Coordinate.prototype.compareTo = function compareTo (o) {
-	  var other = o;
-	  if (this.x < other.x) { return -1 }
-	  if (this.x > other.x) { return 1 }
-	  if (this.y < other.y) { return -1 }
-	  if (this.y > other.y) { return 1 }
-	  return 0
-	};
-	Coordinate.prototype.clone = function clone () {
-	  // try {
-	  // var coord = null
-	  // return coord
-	  // } catch (e) {
-	  // if (e instanceof CloneNotSupportedException) {
-	  //   Assert.shouldNeverReachHere("this shouldn't happen because this class is Cloneable")
-	  //   return null
-	  // } else throw e
-	  // } finally {}
-	};
-	Coordinate.prototype.copy = function copy () {
-	  return new Coordinate(this)
-	};
-	Coordinate.prototype.toString = function toString () {
-	  return '(' + this.x + ', ' + this.y + ', ' + this.z + ')'
-	};
-	Coordinate.prototype.distance3D = function distance3D (c) {
-	  var dx = this.x - c.x;
-	  var dy = this.y - c.y;
-	  var dz = this.z - c.z;
-	  return Math.sqrt(dx * dx + dy * dy + dz * dz)
-	};
-	Coordinate.prototype.distance = function distance (c) {
-	  var dx = this.x - c.x;
-	  var dy = this.y - c.y;
-	  return Math.sqrt(dx * dx + dy * dy)
-	};
-	Coordinate.prototype.hashCode = function hashCode () {
-	  var result = 17;
-	  result = 37 * result + Coordinate.hashCode(this.x);
-	  result = 37 * result + Coordinate.hashCode(this.y);
-	  return result
-	};
-	Coordinate.prototype.setCoordinate = function setCoordinate (other) {
-	  this.x = other.x;
-	  this.y = other.y;
-	  this.z = other.z;
-	};
-	Coordinate.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable, Clonable, Serializable]
-	};
-	Coordinate.prototype.getClass = function getClass () {
-	  return Coordinate
-	};
-	Coordinate.hashCode = function hashCode () {
-	  if (arguments.length === 1) {
-	    var x = arguments[0];
-	    var f = Double.doubleToLongBits(x);
-	    return Math.trunc((f ^ f) >>> 32)
-	  }
-	};
-	staticAccessors.DimensionalComparator.get = function () { return DimensionalComparator };
-	staticAccessors.serialVersionUID.get = function () { return 6683108902428366910 };
-	staticAccessors.NULL_ORDINATE.get = function () { return Double.NaN };
-	staticAccessors.X.get = function () { return 0 };
-	staticAccessors.Y.get = function () { return 1 };
-	staticAccessors.Z.get = function () { return 2 };
-
-	Object.defineProperties( Coordinate, staticAccessors );
-
-	var DimensionalComparator = function DimensionalComparator (dimensionsToTest) {
-	  this._dimensionsToTest = 2;
-	  if (arguments.length === 0) ; else if (arguments.length === 1) {
-	    var dimensionsToTest$1 = arguments[0];
-	    if (dimensionsToTest$1 !== 2 && dimensionsToTest$1 !== 3) { throw new IllegalArgumentException('only 2 or 3 dimensions may be specified') }
-	    this._dimensionsToTest = dimensionsToTest$1;
-	  }
-	};
-	DimensionalComparator.prototype.compare = function compare (o1, o2) {
-	  var c1 = o1;
-	  var c2 = o2;
-	  var compX = DimensionalComparator.compare(c1.x, c2.x);
-	  if (compX !== 0) { return compX }
-	  var compY = DimensionalComparator.compare(c1.y, c2.y);
-	  if (compY !== 0) { return compY }
-	  if (this._dimensionsToTest <= 2) { return 0 }
-	  var compZ = DimensionalComparator.compare(c1.z, c2.z);
-	  return compZ
-	};
-	DimensionalComparator.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparator]
-	};
-	DimensionalComparator.prototype.getClass = function getClass () {
-	  return DimensionalComparator
-	};
-	DimensionalComparator.compare = function compare (a, b) {
-	  if (a < b) { return -1 }
-	  if (a > b) { return 1 }
-	  if (Double.isNaN(a)) {
-	    if (Double.isNaN(b)) { return 0 }
-	    return -1
-	  }
-	  if (Double.isNaN(b)) { return 1 }
-	  return 0
-	};
-
-	// import hasInterface from '../../../../hasInterface'
-	// import CoordinateSequence from './CoordinateSequence'
-
-	var CoordinateSequenceFactory = function CoordinateSequenceFactory () {};
-
-	CoordinateSequenceFactory.prototype.create = function create () {
-	  // if (arguments.length === 1) {
-	  // if (arguments[0] instanceof Array) {
-	  //   let coordinates = arguments[0]
-	  // } else if (hasInterface(arguments[0], CoordinateSequence)) {
-	  //   let coordSeq = arguments[0]
-	  // }
-	  // } else if (arguments.length === 2) {
-	  // let size = arguments[0]
-	  // let dimension = arguments[1]
-	  // }
-	};
-	CoordinateSequenceFactory.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CoordinateSequenceFactory.prototype.getClass = function getClass () {
-	  return CoordinateSequenceFactory
-	};
-
-	var Location = function Location () {};
-
-	var staticAccessors$4 = { INTERIOR: { configurable: true },BOUNDARY: { configurable: true },EXTERIOR: { configurable: true },NONE: { configurable: true } };
-
-	Location.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Location.prototype.getClass = function getClass () {
-	  return Location
-	};
-	Location.toLocationSymbol = function toLocationSymbol (locationValue) {
-	  switch (locationValue) {
-	    case Location.EXTERIOR:
-	      return 'e'
-	    case Location.BOUNDARY:
-	      return 'b'
-	    case Location.INTERIOR:
-	      return 'i'
-	    case Location.NONE:
-	      return '-'
-	  }
-	  throw new IllegalArgumentException('Unknown location value: ' + locationValue)
-	};
-	staticAccessors$4.INTERIOR.get = function () { return 0 };
-	staticAccessors$4.BOUNDARY.get = function () { return 1 };
-	staticAccessors$4.EXTERIOR.get = function () { return 2 };
-	staticAccessors$4.NONE.get = function () { return -1 };
-
-	Object.defineProperties( Location, staticAccessors$4 );
-
-	var hasInterface = function (o, i) {
-	  return o.interfaces_ && o.interfaces_().indexOf(i) > -1
-	};
-
-	var MathUtil = function MathUtil () {};
-
-	var staticAccessors$5 = { LOG_10: { configurable: true } };
-
-	MathUtil.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MathUtil.prototype.getClass = function getClass () {
-	  return MathUtil
-	};
-	MathUtil.log10 = function log10 (x) {
-	  var ln = Math.log(x);
-	  if (Double.isInfinite(ln)) { return ln }
-	  if (Double.isNaN(ln)) { return ln }
-	  return ln / MathUtil.LOG_10
-	};
-	MathUtil.min = function min (v1, v2, v3, v4) {
-	  var min = v1;
-	  if (v2 < min) { min = v2; }
-	  if (v3 < min) { min = v3; }
-	  if (v4 < min) { min = v4; }
-	  return min
-	};
-	MathUtil.clamp = function clamp () {
-	  if (typeof arguments[2] === 'number' && (typeof arguments[0] === 'number' && typeof arguments[1] === 'number')) {
-	    var x = arguments[0];
-	    var min = arguments[1];
-	    var max = arguments[2];
-	    if (x < min) { return min }
-	    if (x > max) { return max }
-	    return x
-	  } else if (Number.isInteger(arguments[2]) && (Number.isInteger(arguments[0]) && Number.isInteger(arguments[1]))) {
-	    var x$1 = arguments[0];
-	    var min$1 = arguments[1];
-	    var max$1 = arguments[2];
-	    if (x$1 < min$1) { return min$1 }
-	    if (x$1 > max$1) { return max$1 }
-	    return x$1
-	  }
-	};
-	MathUtil.wrap = function wrap (index, max) {
-	  if (index < 0) {
-	    return max - -index % max
-	  }
-	  return index % max
-	};
-	MathUtil.max = function max () {
-	  if (arguments.length === 3) {
-	    var v1 = arguments[0];
-	    var v2 = arguments[1];
-	    var v3 = arguments[2];
-	    var max = v1;
-	    if (v2 > max) { max = v2; }
-	    if (v3 > max) { max = v3; }
-	    return max
-	  } else if (arguments.length === 4) {
-	    var v1$1 = arguments[0];
-	    var v2$1 = arguments[1];
-	    var v3$1 = arguments[2];
-	    var v4 = arguments[3];
-	    var max$1 = v1$1;
-	    if (v2$1 > max$1) { max$1 = v2$1; }
-	    if (v3$1 > max$1) { max$1 = v3$1; }
-	    if (v4 > max$1) { max$1 = v4; }
-	    return max$1
-	  }
-	};
-	MathUtil.average = function average (x1, x2) {
-	  return (x1 + x2) / 2.0
-	};
-	staticAccessors$5.LOG_10.get = function () { return Math.log(10) };
-
-	Object.defineProperties( MathUtil, staticAccessors$5 );
-
-	var StringBuffer = function StringBuffer (str) {
-	  this.str = str;
-	};
-	StringBuffer.prototype.append = function append (e) {
-	  this.str += e;
-	};
-
-	StringBuffer.prototype.setCharAt = function setCharAt (i, c) {
-	  this.str = this.str.substr(0, i) + c + this.str.substr(i + 1);
-	};
-
-	StringBuffer.prototype.toString = function toString (e) {
-	  return this.str
-	};
-
-	var Integer = function Integer (value) {
-	  this.value = value;
-	};
-	Integer.prototype.intValue = function intValue () {
-	  return this.value
-	};
-	Integer.prototype.compareTo = function compareTo (o) {
-	  if (this.value < o) { return -1 }
-	  if (this.value > o) { return 1 }
-	  return 0
-	};
-	Integer.isNaN = function isNaN (n) { return Number.isNaN(n) };
-
-	var Character = function Character () {};
-
-	Character.isWhitespace = function isWhitespace (c) { return ((c <= 32 && c >= 0) || c === 127) };
-	Character.toUpperCase = function toUpperCase (c) { return c.toUpperCase() };
-
-	var DD = function DD () {
-	  this._hi = 0.0;
-	  this._lo = 0.0;
-	  if (arguments.length === 0) {
-	    this.init(0.0);
-	  } else if (arguments.length === 1) {
-	    if (typeof arguments[0] === 'number') {
-	      var x = arguments[0];
-	      this.init(x);
-	    } else if (arguments[0] instanceof DD) {
-	      var dd = arguments[0];
-	      this.init(dd);
-	    } else if (typeof arguments[0] === 'string') {
-	      var str = arguments[0];
-	      DD.call(this, DD.parse(str));
-	    }
-	  } else if (arguments.length === 2) {
-	    var hi = arguments[0];
-	    var lo = arguments[1];
-	    this.init(hi, lo);
-	  }
-	};
-
-	var staticAccessors$7 = { PI: { configurable: true },TWO_PI: { configurable: true },PI_2: { configurable: true },E: { configurable: true },NaN: { configurable: true },EPS: { configurable: true },SPLIT: { configurable: true },MAX_PRINT_DIGITS: { configurable: true },TEN: { configurable: true },ONE: { configurable: true },SCI_NOT_EXPONENT_CHAR: { configurable: true },SCI_NOT_ZERO: { configurable: true } };
-	DD.prototype.le = function le (y) {
-	  return (this._hi < y._hi || this._hi === y._hi) && this._lo <= y._lo
-	};
-	DD.prototype.extractSignificantDigits = function extractSignificantDigits (insertDecimalPoint, magnitude) {
-	  var y = this.abs();
-	  var mag = DD.magnitude(y._hi);
-	  var scale = DD.TEN.pow(mag);
-	  y = y.divide(scale);
-	  if (y.gt(DD.TEN)) {
-	    y = y.divide(DD.TEN);
-	    mag += 1;
-	  } else if (y.lt(DD.ONE)) {
-	    y = y.multiply(DD.TEN);
-	    mag -= 1;
-	  }
-	  var decimalPointPos = mag + 1;
-	  var buf = new StringBuffer();
-	  var numDigits = DD.MAX_PRINT_DIGITS - 1;
-	  for (var i = 0; i <= numDigits; i++) {
-	    if (insertDecimalPoint && i === decimalPointPos) {
-	      buf.append('.');
-	    }
-	    var digit = Math.trunc(y._hi);
-	    if (digit < 0) {
-	      break
-	    }
-	    var rebiasBy10 = false;
-	    var digitChar = 0;
-	    if (digit > 9) {
-	      rebiasBy10 = true;
-	      digitChar = '9';
-	    } else {
-	      digitChar = '0' + digit;
-	    }
-	    buf.append(digitChar);
-	    y = y.subtract(DD.valueOf(digit)).multiply(DD.TEN);
-	    if (rebiasBy10) { y.selfAdd(DD.TEN); }
-	    var continueExtractingDigits = true;
-	    var remMag = DD.magnitude(y._hi);
-	    if (remMag < 0 && Math.abs(remMag) >= numDigits - i) { continueExtractingDigits = false; }
-	    if (!continueExtractingDigits) { break }
-	  }
-	  magnitude[0] = mag;
-	  return buf.toString()
-	};
-	DD.prototype.sqr = function sqr () {
-	  return this.multiply(this)
-	};
-	DD.prototype.doubleValue = function doubleValue () {
-	  return this._hi + this._lo
-	};
-	DD.prototype.subtract = function subtract () {
-	  if (arguments[0] instanceof DD) {
-	    var y = arguments[0];
-	    return this.add(y.negate())
-	  } else if (typeof arguments[0] === 'number') {
-	    var y$1 = arguments[0];
-	    return this.add(-y$1)
-	  }
-	};
-	DD.prototype.equals = function equals () {
-	  if (arguments.length === 1) {
-	    var y = arguments[0];
-	    return this._hi === y._hi && this._lo === y._lo
-	  }
-	};
-	DD.prototype.isZero = function isZero () {
-	  return this._hi === 0.0 && this._lo === 0.0
-	};
-	DD.prototype.selfSubtract = function selfSubtract () {
-	  if (arguments[0] instanceof DD) {
-	    var y = arguments[0];
-	    if (this.isNaN()) { return this }
-	    return this.selfAdd(-y._hi, -y._lo)
-	  } else if (typeof arguments[0] === 'number') {
-	    var y$1 = arguments[0];
-	    if (this.isNaN()) { return this }
-	    return this.selfAdd(-y$1, 0.0)
-	  }
-	};
-	DD.prototype.getSpecialNumberString = function getSpecialNumberString () {
-	  if (this.isZero()) { return '0.0' }
-	  if (this.isNaN()) { return 'NaN ' }
-	  return null
-	};
-	DD.prototype.min = function min (x) {
-	  if (this.le(x)) {
-	    return this
-	  } else {
-	    return x
-	  }
-	};
-	DD.prototype.selfDivide = function selfDivide () {
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof DD) {
-	      var y = arguments[0];
-	      return this.selfDivide(y._hi, y._lo)
-	    } else if (typeof arguments[0] === 'number') {
-	      var y$1 = arguments[0];
-	      return this.selfDivide(y$1, 0.0)
-	    }
-	  } else if (arguments.length === 2) {
-	    var yhi = arguments[0];
-	    var ylo = arguments[1];
-	    var hc = null;
-	    var tc = null;
-	    var hy = null;
-	    var ty = null;
-	    var C = null;
-	    var c = null;
-	    var U = null;
-	    var u = null;
-	    C = this._hi / yhi;
-	    c = DD.SPLIT * C;
-	    hc = c - C;
-	    u = DD.SPLIT * yhi;
-	    hc = c - hc;
-	    tc = C - hc;
-	    hy = u - yhi;
-	    U = C * yhi;
-	    hy = u - hy;
-	    ty = yhi - hy;
-	    u = hc * hy - U + hc * ty + tc * hy + tc * ty;
-	    c = (this._hi - U - u + this._lo - C * ylo) / yhi;
-	    u = C + c;
-	    this._hi = u;
-	    this._lo = C - u + c;
-	    return this
-	  }
-	};
-	DD.prototype.dump = function dump () {
-	  return 'DD<' + this._hi + ', ' + this._lo + '>'
-	};
-	DD.prototype.divide = function divide () {
-	  if (arguments[0] instanceof DD) {
-	    var y = arguments[0];
-	    var hc = null;
-	    var tc = null;
-	    var hy = null;
-	    var ty = null;
-	    var C = null;
-	    var c = null;
-	    var U = null;
-	    var u = null;
-	    C = this._hi / y._hi;
-	    c = DD.SPLIT * C;
-	    hc = c - C;
-	    u = DD.SPLIT * y._hi;
-	    hc = c - hc;
-	    tc = C - hc;
-	    hy = u - y._hi;
-	    U = C * y._hi;
-	    hy = u - hy;
-	    ty = y._hi - hy;
-	    u = hc * hy - U + hc * ty + tc * hy + tc * ty;
-	    c = (this._hi - U - u + this._lo - C * y._lo) / y._hi;
-	    u = C + c;
-	    var zhi = u;
-	    var zlo = C - u + c;
-	    return new DD(zhi, zlo)
-	  } else if (typeof arguments[0] === 'number') {
-	    var y$1 = arguments[0];
-	    if (Double.isNaN(y$1)) { return DD.createNaN() }
-	    return DD.copy(this).selfDivide(y$1, 0.0)
-	  }
-	};
-	DD.prototype.ge = function ge (y) {
-	  return (this._hi > y._hi || this._hi === y._hi) && this._lo >= y._lo
-	};
-	DD.prototype.pow = function pow (exp) {
-	  if (exp === 0.0) { return DD.valueOf(1.0) }
-	  var r = new DD(this);
-	  var s = DD.valueOf(1.0);
-	  var n = Math.abs(exp);
-	  if (n > 1) {
-	    while (n > 0) {
-	      if (n % 2 === 1) {
-	        s.selfMultiply(r);
-	      }
-	      n /= 2;
-	      if (n > 0) { r = r.sqr(); }
-	    }
-	  } else {
-	    s = r;
-	  }
-	  if (exp < 0) { return s.reciprocal() }
-	  return s
-	};
-	DD.prototype.ceil = function ceil () {
-	  if (this.isNaN()) { return DD.NaN }
-	  var fhi = Math.ceil(this._hi);
-	  var flo = 0.0;
-	  if (fhi === this._hi) {
-	    flo = Math.ceil(this._lo);
-	  }
-	  return new DD(fhi, flo)
-	};
-	DD.prototype.compareTo = function compareTo (o) {
-	  var other = o;
-	  if (this._hi < other._hi) { return -1 }
-	  if (this._hi > other._hi) { return 1 }
-	  if (this._lo < other._lo) { return -1 }
-	  if (this._lo > other._lo) { return 1 }
-	  return 0
-	};
-	DD.prototype.rint = function rint () {
-	  if (this.isNaN()) { return this }
-	  var plus5 = this.add(0.5);
-	  return plus5.floor()
-	};
-	DD.prototype.setValue = function setValue () {
-	  if (arguments[0] instanceof DD) {
-	    var value = arguments[0];
-	    this.init(value);
-	    return this
-	  } else if (typeof arguments[0] === 'number') {
-	    var value$1 = arguments[0];
-	    this.init(value$1);
-	    return this
-	  }
-	};
-	DD.prototype.max = function max (x) {
-	  if (this.ge(x)) {
-	    return this
-	  } else {
-	    return x
-	  }
-	};
-	DD.prototype.sqrt = function sqrt () {
-	  if (this.isZero()) { return DD.valueOf(0.0) }
-	  if (this.isNegative()) {
-	    return DD.NaN
-	  }
-	  var x = 1.0 / Math.sqrt(this._hi);
-	  var ax = this._hi * x;
-	  var axdd = DD.valueOf(ax);
-	  var diffSq = this.subtract(axdd.sqr());
-	  var d2 = diffSq._hi * (x * 0.5);
-	  return axdd.add(d2)
-	};
-	DD.prototype.selfAdd = function selfAdd () {
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof DD) {
-	      var y = arguments[0];
-	      return this.selfAdd(y._hi, y._lo)
-	    } else if (typeof arguments[0] === 'number') {
-	      var y$1 = arguments[0];
-	      var H = null;
-	      var h = null;
-	      var S = null;
-	      var s = null;
-	      var e = null;
-	      var f = null;
-	      S = this._hi + y$1;
-	      e = S - this._hi;
-	      s = S - e;
-	      s = y$1 - e + (this._hi - s);
-	      f = s + this._lo;
-	      H = S + f;
-	      h = f + (S - H);
-	      this._hi = H + h;
-	      this._lo = h + (H - this._hi);
-	      return this
-	    }
-	  } else if (arguments.length === 2) {
-	    var yhi = arguments[0];
-	    var ylo = arguments[1];
-	    var H$1 = null;
-	    var h$1 = null;
-	    var T = null;
-	    var t = null;
-	    var S$1 = null;
-	    var s$1 = null;
-	    var e$1 = null;
-	    var f$1 = null;
-	    S$1 = this._hi + yhi;
-	    T = this._lo + ylo;
-	    e$1 = S$1 - this._hi;
-	    f$1 = T - this._lo;
-	    s$1 = S$1 - e$1;
-	    t = T - f$1;
-	    s$1 = yhi - e$1 + (this._hi - s$1);
-	    t = ylo - f$1 + (this._lo - t);
-	    e$1 = s$1 + T;
-	    H$1 = S$1 + e$1;
-	    h$1 = e$1 + (S$1 - H$1);
-	    e$1 = t + h$1;
-	    var zhi = H$1 + e$1;
-	    var zlo = e$1 + (H$1 - zhi);
-	    this._hi = zhi;
-	    this._lo = zlo;
-	    return this
-	  }
-	};
-	DD.prototype.selfMultiply = function selfMultiply () {
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof DD) {
-	      var y = arguments[0];
-	      return this.selfMultiply(y._hi, y._lo)
-	    } else if (typeof arguments[0] === 'number') {
-	      var y$1 = arguments[0];
-	      return this.selfMultiply(y$1, 0.0)
-	    }
-	  } else if (arguments.length === 2) {
-	    var yhi = arguments[0];
-	    var ylo = arguments[1];
-	    var hx = null;
-	    var tx = null;
-	    var hy = null;
-	    var ty = null;
-	    var C = null;
-	    var c = null;
-	    C = DD.SPLIT * this._hi;
-	    hx = C - this._hi;
-	    c = DD.SPLIT * yhi;
-	    hx = C - hx;
-	    tx = this._hi - hx;
-	    hy = c - yhi;
-	    C = this._hi * yhi;
-	    hy = c - hy;
-	    ty = yhi - hy;
-	    c = hx * hy - C + hx * ty + tx * hy + tx * ty + (this._hi * ylo + this._lo * yhi);
-	    var zhi = C + c;
-	    hx = C - zhi;
-	    var zlo = c + hx;
-	    this._hi = zhi;
-	    this._lo = zlo;
-	    return this
-	  }
-	};
-	DD.prototype.selfSqr = function selfSqr () {
-	  return this.selfMultiply(this)
-	};
-	DD.prototype.floor = function floor () {
-	  if (this.isNaN()) { return DD.NaN }
-	  var fhi = Math.floor(this._hi);
-	  var flo = 0.0;
-	  if (fhi === this._hi) {
-	    flo = Math.floor(this._lo);
-	  }
-	  return new DD(fhi, flo)
-	};
-	DD.prototype.negate = function negate () {
-	  if (this.isNaN()) { return this }
-	  return new DD(-this._hi, -this._lo)
-	};
-	DD.prototype.clone = function clone () {
-	  // try {
-	  // return null
-	  // } catch (ex) {
-	  // if (ex instanceof CloneNotSupportedException) {
-	  //   return null
-	  // } else throw ex
-	  // } finally {}
-	};
-	DD.prototype.multiply = function multiply () {
-	  if (arguments[0] instanceof DD) {
-	    var y = arguments[0];
-	    if (y.isNaN()) { return DD.createNaN() }
-	    return DD.copy(this).selfMultiply(y)
-	  } else if (typeof arguments[0] === 'number') {
-	    var y$1 = arguments[0];
-	    if (Double.isNaN(y$1)) { return DD.createNaN() }
-	    return DD.copy(this).selfMultiply(y$1, 0.0)
-	  }
-	};
-	DD.prototype.isNaN = function isNaN () {
-	  return Double.isNaN(this._hi)
-	};
-	DD.prototype.intValue = function intValue () {
-	  return Math.trunc(this._hi)
-	};
-	DD.prototype.toString = function toString () {
-	  var mag = DD.magnitude(this._hi);
-	  if (mag >= -3 && mag <= 20) { return this.toStandardNotation() }
-	  return this.toSciNotation()
-	};
-	DD.prototype.toStandardNotation = function toStandardNotation () {
-	  var specialStr = this.getSpecialNumberString();
-	  if (specialStr !== null) { return specialStr }
-	  var magnitude = new Array(1).fill(null);
-	  var sigDigits = this.extractSignificantDigits(true, magnitude);
-	  var decimalPointPos = magnitude[0] + 1;
-	  var num = sigDigits;
-	  if (sigDigits.charAt(0) === '.') {
-	    num = '0' + sigDigits;
-	  } else if (decimalPointPos < 0) {
-	    num = '0.' + DD.stringOfChar('0', -decimalPointPos) + sigDigits;
-	  } else if (sigDigits.indexOf('.') === -1) {
-	    var numZeroes = decimalPointPos - sigDigits.length;
-	    var zeroes = DD.stringOfChar('0', numZeroes);
-	    num = sigDigits + zeroes + '.0';
-	  }
-	  if (this.isNegative()) { return '-' + num }
-	  return num
-	};
-	DD.prototype.reciprocal = function reciprocal () {
-	  var hc = null;
-	  var tc = null;
-	  var hy = null;
-	  var ty = null;
-	  var C = null;
-	  var c = null;
-	  var U = null;
-	  var u = null;
-	  C = 1.0 / this._hi;
-	  c = DD.SPLIT * C;
-	  hc = c - C;
-	  u = DD.SPLIT * this._hi;
-	  hc = c - hc;
-	  tc = C - hc;
-	  hy = u - this._hi;
-	  U = C * this._hi;
-	  hy = u - hy;
-	  ty = this._hi - hy;
-	  u = hc * hy - U + hc * ty + tc * hy + tc * ty;
-	  c = (1.0 - U - u - C * this._lo) / this._hi;
-	  var zhi = C + c;
-	  var zlo = C - zhi + c;
-	  return new DD(zhi, zlo)
-	};
-	DD.prototype.toSciNotation = function toSciNotation () {
-	  if (this.isZero()) { return DD.SCI_NOT_ZERO }
-	  var specialStr = this.getSpecialNumberString();
-	  if (specialStr !== null) { return specialStr }
-	  var magnitude = new Array(1).fill(null);
-	  var digits = this.extractSignificantDigits(false, magnitude);
-	  var expStr = DD.SCI_NOT_EXPONENT_CHAR + magnitude[0];
-	  if (digits.charAt(0) === '0') {
-	    throw new Error('Found leading zero: ' + digits)
-	  }
-	  var trailingDigits = '';
-	  if (digits.length > 1) { trailingDigits = digits.substring(1); }
-	  var digitsWithDecimal = digits.charAt(0) + '.' + trailingDigits;
-	  if (this.isNegative()) { return '-' + digitsWithDecimal + expStr }
-	  return digitsWithDecimal + expStr
-	};
-	DD.prototype.abs = function abs () {
-	  if (this.isNaN()) { return DD.NaN }
-	  if (this.isNegative()) { return this.negate() }
-	  return new DD(this)
-	};
-	DD.prototype.isPositive = function isPositive () {
-	  return (this._hi > 0.0 || this._hi === 0.0) && this._lo > 0.0
-	};
-	DD.prototype.lt = function lt (y) {
-	  return (this._hi < y._hi || this._hi === y._hi) && this._lo < y._lo
-	};
-	DD.prototype.add = function add () {
-	  if (arguments[0] instanceof DD) {
-	    var y = arguments[0];
-	    return DD.copy(this).selfAdd(y)
-	  } else if (typeof arguments[0] === 'number') {
-	    var y$1 = arguments[0];
-	    return DD.copy(this).selfAdd(y$1)
-	  }
-	};
-	DD.prototype.init = function init () {
-	  if (arguments.length === 1) {
-	    if (typeof arguments[0] === 'number') {
-	      var x = arguments[0];
-	      this._hi = x;
-	      this._lo = 0.0;
-	    } else if (arguments[0] instanceof DD) {
-	      var dd = arguments[0];
-	      this._hi = dd._hi;
-	      this._lo = dd._lo;
-	    }
-	  } else if (arguments.length === 2) {
-	    var hi = arguments[0];
-	    var lo = arguments[1];
-	    this._hi = hi;
-	    this._lo = lo;
-	  }
-	};
-	DD.prototype.gt = function gt (y) {
-	  return (this._hi > y._hi || this._hi === y._hi) && this._lo > y._lo
-	};
-	DD.prototype.isNegative = function isNegative () {
-	  return (this._hi < 0.0 || this._hi === 0.0) && this._lo < 0.0
-	};
-	DD.prototype.trunc = function trunc () {
-	  if (this.isNaN()) { return DD.NaN }
-	  if (this.isPositive()) { return this.floor(); } else { return this.ceil() }
-	};
-	DD.prototype.signum = function signum () {
-	  if (this._hi > 0) { return 1 }
-	  if (this._hi < 0) { return -1 }
-	  if (this._lo > 0) { return 1 }
-	  if (this._lo < 0) { return -1 }
-	  return 0
-	};
-	DD.prototype.interfaces_ = function interfaces_ () {
-	  return [Serializable, Comparable, Clonable]
-	};
-	DD.prototype.getClass = function getClass () {
-	  return DD
-	};
-	DD.sqr = function sqr (x) {
-	  return DD.valueOf(x).selfMultiply(x)
-	};
-	DD.valueOf = function valueOf () {
-	  if (typeof arguments[0] === 'string') {
-	    var str = arguments[0];
-	    return DD.parse(str)
-	  } else if (typeof arguments[0] === 'number') {
-	    var x = arguments[0];
-	    return new DD(x)
-	  }
-	};
-	DD.sqrt = function sqrt (x) {
-	  return DD.valueOf(x).sqrt()
-	};
-	DD.parse = function parse (str) {
-	  var i = 0;
-	  var strlen = str.length;
-	  while (Character.isWhitespace(str.charAt(i))) { i++; }
-	  var isNegative = false;
-	  if (i < strlen) {
-	    var signCh = str.charAt(i);
-	    if (signCh === '-' || signCh === '+') {
-	      i++;
-	      if (signCh === '-') { isNegative = true; }
-	    }
-	  }
-	  var val = new DD();
-	  var numDigits = 0;
-	  var numBeforeDec = 0;
-	  var exp = 0;
-	  while (true) {
-	    if (i >= strlen) { break }
-	    var ch = str.charAt(i);
-	    i++;
-	    if (Character.isDigit(ch)) {
-	      var d = ch - '0';
-	      val.selfMultiply(DD.TEN);
-	      val.selfAdd(d);
-	      numDigits++;
-	      continue
-	    }
-	    if (ch === '.') {
-	      numBeforeDec = numDigits;
-	      continue
-	    }
-	    if (ch === 'e' || ch === 'E') {
-	      var expStr = str.substring(i);
-	      try {
-	        exp = Integer.parseInt(expStr);
-	      } catch (ex) {
-	        if (ex instanceof Error) {
-	          throw new Error('Invalid exponent ' + expStr + ' in string ' + str)
-	        } else { throw ex }
-	      } finally {}
-	      break
-	    }
-	    throw new Error("Unexpected character '" + ch + "' at position " + i + ' in string ' + str)
-	  }
-	  var val2 = val;
-	  var numDecPlaces = numDigits - numBeforeDec - exp;
-	  if (numDecPlaces === 0) {
-	    val2 = val;
-	  } else if (numDecPlaces > 0) {
-	    var scale = DD.TEN.pow(numDecPlaces);
-	    val2 = val.divide(scale);
-	  } else if (numDecPlaces < 0) {
-	    var scale$1 = DD.TEN.pow(-numDecPlaces);
-	    val2 = val.multiply(scale$1);
-	  }
-	  if (isNegative) {
-	    return val2.negate()
-	  }
-	  return val2
-	};
-	DD.createNaN = function createNaN () {
-	  return new DD(Double.NaN, Double.NaN)
-	};
-	DD.copy = function copy (dd) {
-	  return new DD(dd)
-	};
-	DD.magnitude = function magnitude (x) {
-	  var xAbs = Math.abs(x);
-	  var xLog10 = Math.log(xAbs) / Math.log(10);
-	  var xMag = Math.trunc(Math.floor(xLog10));
-	  var xApprox = Math.pow(10, xMag);
-	  if (xApprox * 10 <= xAbs) { xMag += 1; }
-	  return xMag
-	};
-	DD.stringOfChar = function stringOfChar (ch, len) {
-	  var buf = new StringBuffer();
-	  for (var i = 0; i < len; i++) {
-	    buf.append(ch);
-	  }
-	  return buf.toString()
-	};
-	staticAccessors$7.PI.get = function () { return new DD(3.141592653589793116e+00, 1.224646799147353207e-16) };
-	staticAccessors$7.TWO_PI.get = function () { return new DD(6.283185307179586232e+00, 2.449293598294706414e-16) };
-	staticAccessors$7.PI_2.get = function () { return new DD(1.570796326794896558e+00, 6.123233995736766036e-17) };
-	staticAccessors$7.E.get = function () { return new DD(2.718281828459045091e+00, 1.445646891729250158e-16) };
-	staticAccessors$7.NaN.get = function () { return new DD(Double.NaN, Double.NaN) };
-	staticAccessors$7.EPS.get = function () { return 1.23259516440783e-32 };
-	staticAccessors$7.SPLIT.get = function () { return 134217729.0 };
-	staticAccessors$7.MAX_PRINT_DIGITS.get = function () { return 32 };
-	staticAccessors$7.TEN.get = function () { return DD.valueOf(10.0) };
-	staticAccessors$7.ONE.get = function () { return DD.valueOf(1.0) };
-	staticAccessors$7.SCI_NOT_EXPONENT_CHAR.get = function () { return 'E' };
-	staticAccessors$7.SCI_NOT_ZERO.get = function () { return '0.0E0' };
-
-	Object.defineProperties( DD, staticAccessors$7 );
-
-	var CGAlgorithmsDD = function CGAlgorithmsDD () {};
-
-	var staticAccessors$6 = { DP_SAFE_EPSILON: { configurable: true } };
-
-	CGAlgorithmsDD.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CGAlgorithmsDD.prototype.getClass = function getClass () {
-	  return CGAlgorithmsDD
-	};
-	CGAlgorithmsDD.orientationIndex = function orientationIndex (p1, p2, q) {
-	  var index = CGAlgorithmsDD.orientationIndexFilter(p1, p2, q);
-	  if (index <= 1) { return index }
-	  var dx1 = DD.valueOf(p2.x).selfAdd(-p1.x);
-	  var dy1 = DD.valueOf(p2.y).selfAdd(-p1.y);
-	  var dx2 = DD.valueOf(q.x).selfAdd(-p2.x);
-	  var dy2 = DD.valueOf(q.y).selfAdd(-p2.y);
-	  return dx1.selfMultiply(dy2).selfSubtract(dy1.selfMultiply(dx2)).signum()
-	};
-	CGAlgorithmsDD.signOfDet2x2 = function signOfDet2x2 (x1, y1, x2, y2) {
-	  var det = x1.multiply(y2).selfSubtract(y1.multiply(x2));
-	  return det.signum()
-	};
-	CGAlgorithmsDD.intersection = function intersection (p1, p2, q1, q2) {
-	  var denom1 = DD.valueOf(q2.y).selfSubtract(q1.y).selfMultiply(DD.valueOf(p2.x).selfSubtract(p1.x));
-	  var denom2 = DD.valueOf(q2.x).selfSubtract(q1.x).selfMultiply(DD.valueOf(p2.y).selfSubtract(p1.y));
-	  var denom = denom1.subtract(denom2);
-	  var numx1 = DD.valueOf(q2.x).selfSubtract(q1.x).selfMultiply(DD.valueOf(p1.y).selfSubtract(q1.y));
-	  var numx2 = DD.valueOf(q2.y).selfSubtract(q1.y).selfMultiply(DD.valueOf(p1.x).selfSubtract(q1.x));
-	  var numx = numx1.subtract(numx2);
-	  var fracP = numx.selfDivide(denom).doubleValue();
-	  var x = DD.valueOf(p1.x).selfAdd(DD.valueOf(p2.x).selfSubtract(p1.x).selfMultiply(fracP)).doubleValue();
-	  var numy1 = DD.valueOf(p2.x).selfSubtract(p1.x).selfMultiply(DD.valueOf(p1.y).selfSubtract(q1.y));
-	  var numy2 = DD.valueOf(p2.y).selfSubtract(p1.y).selfMultiply(DD.valueOf(p1.x).selfSubtract(q1.x));
-	  var numy = numy1.subtract(numy2);
-	  var fracQ = numy.selfDivide(denom).doubleValue();
-	  var y = DD.valueOf(q1.y).selfAdd(DD.valueOf(q2.y).selfSubtract(q1.y).selfMultiply(fracQ)).doubleValue();
-	  return new Coordinate(x, y)
-	};
-	CGAlgorithmsDD.orientationIndexFilter = function orientationIndexFilter (pa, pb, pc) {
-	  var detsum = null;
-	  var detleft = (pa.x - pc.x) * (pb.y - pc.y);
-	  var detright = (pa.y - pc.y) * (pb.x - pc.x);
-	  var det = detleft - detright;
-	  if (detleft > 0.0) {
-	    if (detright <= 0.0) {
-	      return CGAlgorithmsDD.signum(det)
-	    } else {
-	      detsum = detleft + detright;
-	    }
-	  } else if (detleft < 0.0) {
-	    if (detright >= 0.0) {
-	      return CGAlgorithmsDD.signum(det)
-	    } else {
-	      detsum = -detleft - detright;
-	    }
-	  } else {
-	    return CGAlgorithmsDD.signum(det)
-	  }
-	  var errbound = CGAlgorithmsDD.DP_SAFE_EPSILON * detsum;
-	  if (det >= errbound || -det >= errbound) {
-	    return CGAlgorithmsDD.signum(det)
-	  }
-	  return 2
-	};
-	CGAlgorithmsDD.signum = function signum (x) {
-	  if (x > 0) { return 1 }
-	  if (x < 0) { return -1 }
-	  return 0
-	};
-	staticAccessors$6.DP_SAFE_EPSILON.get = function () { return 1e-15 };
-
-	Object.defineProperties( CGAlgorithmsDD, staticAccessors$6 );
-
-	var CoordinateSequence = function CoordinateSequence () {};
-
-	var staticAccessors$8 = { X: { configurable: true },Y: { configurable: true },Z: { configurable: true },M: { configurable: true } };
-
-	staticAccessors$8.X.get = function () { return 0 };
-	staticAccessors$8.Y.get = function () { return 1 };
-	staticAccessors$8.Z.get = function () { return 2 };
-	staticAccessors$8.M.get = function () { return 3 };
-	CoordinateSequence.prototype.setOrdinate = function setOrdinate (index, ordinateIndex, value) {};
-	CoordinateSequence.prototype.size = function size () {};
-	CoordinateSequence.prototype.getOrdinate = function getOrdinate (index, ordinateIndex) {};
-	CoordinateSequence.prototype.getCoordinate = function getCoordinate () {};
-	CoordinateSequence.prototype.getCoordinateCopy = function getCoordinateCopy (i) {};
-	CoordinateSequence.prototype.getDimension = function getDimension () {};
-	CoordinateSequence.prototype.getX = function getX (index) {};
-	CoordinateSequence.prototype.clone = function clone () {};
-	CoordinateSequence.prototype.expandEnvelope = function expandEnvelope (env) {};
-	CoordinateSequence.prototype.copy = function copy () {};
-	CoordinateSequence.prototype.getY = function getY (index) {};
-	CoordinateSequence.prototype.toCoordinateArray = function toCoordinateArray () {};
-	CoordinateSequence.prototype.interfaces_ = function interfaces_ () {
-	  return [Clonable]
-	};
-	CoordinateSequence.prototype.getClass = function getClass () {
-	  return CoordinateSequence
-	};
-
-	Object.defineProperties( CoordinateSequence, staticAccessors$8 );
-
-	var Exception = function Exception () {};
-
-	var NotRepresentableException = (function (Exception$$1) {
-	  function NotRepresentableException () {
-	    Exception$$1.call(this, 'Projective point not representable on the Cartesian plane.');
-	  }
-
-	  if ( Exception$$1 ) NotRepresentableException.__proto__ = Exception$$1;
-	  NotRepresentableException.prototype = Object.create( Exception$$1 && Exception$$1.prototype );
-	  NotRepresentableException.prototype.constructor = NotRepresentableException;
-	  NotRepresentableException.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  NotRepresentableException.prototype.getClass = function getClass () {
-	    return NotRepresentableException
-	  };
-
-	  return NotRepresentableException;
-	}(Exception));
-
-	var System = function System () {};
-
-	System.arraycopy = function arraycopy (src, srcPos, dest, destPos, len) {
-	  var c = 0;
-	  for (var i = srcPos; i < srcPos + len; i++) {
-	    dest[destPos + c] = src[i];
-	    c++;
-	  }
-	};
-
-	System.getProperty = function getProperty (name) {
-	  return {
-	    'line.separator': '\n'
-	  }[name]
-	};
-
-	var HCoordinate = function HCoordinate () {
-	  this.x = null;
-	  this.y = null;
-	  this.w = null;
-	  if (arguments.length === 0) {
-	    this.x = 0.0;
-	    this.y = 0.0;
-	    this.w = 1.0;
-	  } else if (arguments.length === 1) {
-	    var p = arguments[0];
-	    this.x = p.x;
-	    this.y = p.y;
-	    this.w = 1.0;
-	  } else if (arguments.length === 2) {
-	    if (typeof arguments[0] === 'number' && typeof arguments[1] === 'number') {
-	      var _x = arguments[0];
-	      var _y = arguments[1];
-	      this.x = _x;
-	      this.y = _y;
-	      this.w = 1.0;
-	    } else if (arguments[0] instanceof HCoordinate && arguments[1] instanceof HCoordinate) {
-	      var p1 = arguments[0];
-	      var p2 = arguments[1];
-	      this.x = p1.y * p2.w - p2.y * p1.w;
-	      this.y = p2.x * p1.w - p1.x * p2.w;
-	      this.w = p1.x * p2.y - p2.x * p1.y;
-	    } else if (arguments[0] instanceof Coordinate && arguments[1] instanceof Coordinate) {
-	      var p1$1 = arguments[0];
-	      var p2$1 = arguments[1];
-	      this.x = p1$1.y - p2$1.y;
-	      this.y = p2$1.x - p1$1.x;
-	      this.w = p1$1.x * p2$1.y - p2$1.x * p1$1.y;
-	    }
-	  } else if (arguments.length === 3) {
-	    var _x$1 = arguments[0];
-	    var _y$1 = arguments[1];
-	    var _w = arguments[2];
-	    this.x = _x$1;
-	    this.y = _y$1;
-	    this.w = _w;
-	  } else if (arguments.length === 4) {
-	    var p1$2 = arguments[0];
-	    var p2$2 = arguments[1];
-	    var q1 = arguments[2];
-	    var q2 = arguments[3];
-	    var px = p1$2.y - p2$2.y;
-	    var py = p2$2.x - p1$2.x;
-	    var pw = p1$2.x * p2$2.y - p2$2.x * p1$2.y;
-	    var qx = q1.y - q2.y;
-	    var qy = q2.x - q1.x;
-	    var qw = q1.x * q2.y - q2.x * q1.y;
-	    this.x = py * qw - qy * pw;
-	    this.y = qx * pw - px * qw;
-	    this.w = px * qy - qx * py;
-	  }
-	};
-	HCoordinate.prototype.getY = function getY () {
-	  var a = this.y / this.w;
-	  if (Double.isNaN(a) || Double.isInfinite(a)) {
-	    throw new NotRepresentableException()
-	  }
-	  return a
-	};
-	HCoordinate.prototype.getX = function getX () {
-	  var a = this.x / this.w;
-	  if (Double.isNaN(a) || Double.isInfinite(a)) {
-	    throw new NotRepresentableException()
-	  }
-	  return a
-	};
-	HCoordinate.prototype.getCoordinate = function getCoordinate () {
-	  var p = new Coordinate();
-	  p.x = this.getX();
-	  p.y = this.getY();
-	  return p
-	};
-	HCoordinate.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	HCoordinate.prototype.getClass = function getClass () {
-	  return HCoordinate
-	};
-	HCoordinate.intersection = function intersection (p1, p2, q1, q2) {
-	  var px = p1.y - p2.y;
-	  var py = p2.x - p1.x;
-	  var pw = p1.x * p2.y - p2.x * p1.y;
-	  var qx = q1.y - q2.y;
-	  var qy = q2.x - q1.x;
-	  var qw = q1.x * q2.y - q2.x * q1.y;
-	  var x = py * qw - qy * pw;
-	  var y = qx * pw - px * qw;
-	  var w = px * qy - qx * py;
-	  var xInt = x / w;
-	  var yInt = y / w;
-	  if (Double.isNaN(xInt) || (Double.isInfinite(xInt) || Double.isNaN(yInt)) || Double.isInfinite(yInt)) {
-	    throw new NotRepresentableException()
-	  }
-	  return new Coordinate(xInt, yInt)
-	};
-
-	var Envelope = function Envelope () {
-	  this._minx = null;
-	  this._maxx = null;
-	  this._miny = null;
-	  this._maxy = null;
-	  if (arguments.length === 0) {
-	    this.init();
-	  } else if (arguments.length === 1) {
-	    if (arguments[0] instanceof Coordinate) {
-	      var p = arguments[0];
-	      this.init(p.x, p.x, p.y, p.y);
-	    } else if (arguments[0] instanceof Envelope) {
-	      var env = arguments[0];
-	      this.init(env);
-	    }
-	  } else if (arguments.length === 2) {
-	    var p1 = arguments[0];
-	    var p2 = arguments[1];
-	    this.init(p1.x, p2.x, p1.y, p2.y);
-	  } else if (arguments.length === 4) {
-	    var x1 = arguments[0];
-	    var x2 = arguments[1];
-	    var y1 = arguments[2];
-	    var y2 = arguments[3];
-	    this.init(x1, x2, y1, y2);
-	  }
-	};
-
-	var staticAccessors$9 = { serialVersionUID: { configurable: true } };
-	Envelope.prototype.getArea = function getArea () {
-	  return this.getWidth() * this.getHeight()
-	};
-	Envelope.prototype.equals = function equals (other) {
-	  if (!(other instanceof Envelope)) {
-	    return false
-	  }
-	  var otherEnvelope = other;
-	  if (this.isNull()) {
-	    return otherEnvelope.isNull()
-	  }
-	  return this._maxx === otherEnvelope.getMaxX() && this._maxy === otherEnvelope.getMaxY() && this._minx === otherEnvelope.getMinX() && this._miny === otherEnvelope.getMinY()
-	};
-	Envelope.prototype.intersection = function intersection (env) {
-	  if (this.isNull() || env.isNull() || !this.intersects(env)) { return new Envelope() }
-	  var intMinX = this._minx > env._minx ? this._minx : env._minx;
-	  var intMinY = this._miny > env._miny ? this._miny : env._miny;
-	  var intMaxX = this._maxx < env._maxx ? this._maxx : env._maxx;
-	  var intMaxY = this._maxy < env._maxy ? this._maxy : env._maxy;
-	  return new Envelope(intMinX, intMaxX, intMinY, intMaxY)
-	};
-	Envelope.prototype.isNull = function isNull () {
-	  return this._maxx < this._minx
-	};
-	Envelope.prototype.getMaxX = function getMaxX () {
-	  return this._maxx
-	};
-	Envelope.prototype.covers = function covers () {
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof Coordinate) {
-	      var p = arguments[0];
-	      return this.covers(p.x, p.y)
-	    } else if (arguments[0] instanceof Envelope) {
-	      var other = arguments[0];
-	      if (this.isNull() || other.isNull()) {
-	        return false
-	      }
-	      return other.getMinX() >= this._minx && other.getMaxX() <= this._maxx && other.getMinY() >= this._miny && other.getMaxY() <= this._maxy
-	    }
-	  } else if (arguments.length === 2) {
-	    var x = arguments[0];
-	    var y = arguments[1];
-	    if (this.isNull()) { return false }
-	    return x >= this._minx && x <= this._maxx && y >= this._miny && y <= this._maxy
-	  }
-	};
-	Envelope.prototype.intersects = function intersects () {
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof Envelope) {
-	      var other = arguments[0];
-	      if (this.isNull() || other.isNull()) {
-	        return false
-	      }
-	      return !(other._minx > this._maxx || other._maxx < this._minx || other._miny > this._maxy || other._maxy < this._miny)
-	    } else if (arguments[0] instanceof Coordinate) {
-	      var p = arguments[0];
-	      return this.intersects(p.x, p.y)
-	    }
-	  } else if (arguments.length === 2) {
-	    var x = arguments[0];
-	    var y = arguments[1];
-	    if (this.isNull()) { return false }
-	    return !(x > this._maxx || x < this._minx || y > this._maxy || y < this._miny)
-	  }
-	};
-	Envelope.prototype.getMinY = function getMinY () {
-	  return this._miny
-	};
-	Envelope.prototype.getMinX = function getMinX () {
-	  return this._minx
-	};
-	Envelope.prototype.expandToInclude = function expandToInclude () {
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof Coordinate) {
-	      var p = arguments[0];
-	      this.expandToInclude(p.x, p.y);
-	    } else if (arguments[0] instanceof Envelope) {
-	      var other = arguments[0];
-	      if (other.isNull()) {
-	        return null
-	      }
-	      if (this.isNull()) {
-	        this._minx = other.getMinX();
-	        this._maxx = other.getMaxX();
-	        this._miny = other.getMinY();
-	        this._maxy = other.getMaxY();
-	      } else {
-	        if (other._minx < this._minx) {
-	          this._minx = other._minx;
-	        }
-	        if (other._maxx > this._maxx) {
-	          this._maxx = other._maxx;
-	        }
-	        if (other._miny < this._miny) {
-	          this._miny = other._miny;
-	        }
-	        if (other._maxy > this._maxy) {
-	          this._maxy = other._maxy;
-	        }
-	      }
-	    }
-	  } else if (arguments.length === 2) {
-	    var x = arguments[0];
-	    var y = arguments[1];
-	    if (this.isNull()) {
-	      this._minx = x;
-	      this._maxx = x;
-	      this._miny = y;
-	      this._maxy = y;
-	    } else {
-	      if (x < this._minx) {
-	        this._minx = x;
-	      }
-	      if (x > this._maxx) {
-	        this._maxx = x;
-	      }
-	      if (y < this._miny) {
-	        this._miny = y;
-	      }
-	      if (y > this._maxy) {
-	        this._maxy = y;
-	      }
-	    }
-	  }
-	};
-	Envelope.prototype.minExtent = function minExtent () {
-	  if (this.isNull()) { return 0.0 }
-	  var w = this.getWidth();
-	  var h = this.getHeight();
-	  if (w < h) { return w }
-	  return h
-	};
-	Envelope.prototype.getWidth = function getWidth () {
-	  if (this.isNull()) {
-	    return 0
-	  }
-	  return this._maxx - this._minx
-	};
-	Envelope.prototype.compareTo = function compareTo (o) {
-	  var env = o;
-	  if (this.isNull()) {
-	    if (env.isNull()) { return 0 }
-	    return -1
-	  } else {
-	    if (env.isNull()) { return 1 }
-	  }
-	  if (this._minx < env._minx) { return -1 }
-	  if (this._minx > env._minx) { return 1 }
-	  if (this._miny < env._miny) { return -1 }
-	  if (this._miny > env._miny) { return 1 }
-	  if (this._maxx < env._maxx) { return -1 }
-	  if (this._maxx > env._maxx) { return 1 }
-	  if (this._maxy < env._maxy) { return -1 }
-	  if (this._maxy > env._maxy) { return 1 }
-	  return 0
-	};
-	Envelope.prototype.translate = function translate (transX, transY) {
-	  if (this.isNull()) {
-	    return null
-	  }
-	  this.init(this.getMinX() + transX, this.getMaxX() + transX, this.getMinY() + transY, this.getMaxY() + transY);
-	};
-	Envelope.prototype.toString = function toString () {
-	  return 'Env[' + this._minx + ' : ' + this._maxx + ', ' + this._miny + ' : ' + this._maxy + ']'
-	};
-	Envelope.prototype.setToNull = function setToNull () {
-	  this._minx = 0;
-	  this._maxx = -1;
-	  this._miny = 0;
-	  this._maxy = -1;
-	};
-	Envelope.prototype.getHeight = function getHeight () {
-	  if (this.isNull()) {
-	    return 0
-	  }
-	  return this._maxy - this._miny
-	};
-	Envelope.prototype.maxExtent = function maxExtent () {
-	  if (this.isNull()) { return 0.0 }
-	  var w = this.getWidth();
-	  var h = this.getHeight();
-	  if (w > h) { return w }
-	  return h
-	};
-	Envelope.prototype.expandBy = function expandBy () {
-	  if (arguments.length === 1) {
-	    var distance = arguments[0];
-	    this.expandBy(distance, distance);
-	  } else if (arguments.length === 2) {
-	    var deltaX = arguments[0];
-	    var deltaY = arguments[1];
-	    if (this.isNull()) { return null }
-	    this._minx -= deltaX;
-	    this._maxx += deltaX;
-	    this._miny -= deltaY;
-	    this._maxy += deltaY;
-	    if (this._minx > this._maxx || this._miny > this._maxy) { this.setToNull(); }
-	  }
-	};
-	Envelope.prototype.contains = function contains () {
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof Envelope) {
-	      var other = arguments[0];
-	      return this.covers(other)
-	    } else if (arguments[0] instanceof Coordinate) {
-	      var p = arguments[0];
-	      return this.covers(p)
-	    }
-	  } else if (arguments.length === 2) {
-	    var x = arguments[0];
-	    var y = arguments[1];
-	    return this.covers(x, y)
-	  }
-	};
-	Envelope.prototype.centre = function centre () {
-	  if (this.isNull()) { return null }
-	  return new Coordinate((this.getMinX() + this.getMaxX()) / 2.0, (this.getMinY() + this.getMaxY()) / 2.0)
-	};
-	Envelope.prototype.init = function init () {
-	  if (arguments.length === 0) {
-	    this.setToNull();
-	  } else if (arguments.length === 1) {
-	    if (arguments[0] instanceof Coordinate) {
-	      var p = arguments[0];
-	      this.init(p.x, p.x, p.y, p.y);
-	    } else if (arguments[0] instanceof Envelope) {
-	      var env = arguments[0];
-	      this._minx = env._minx;
-	      this._maxx = env._maxx;
-	      this._miny = env._miny;
-	      this._maxy = env._maxy;
-	    }
-	  } else if (arguments.length === 2) {
-	    var p1 = arguments[0];
-	    var p2 = arguments[1];
-	    this.init(p1.x, p2.x, p1.y, p2.y);
-	  } else if (arguments.length === 4) {
-	    var x1 = arguments[0];
-	    var x2 = arguments[1];
-	    var y1 = arguments[2];
-	    var y2 = arguments[3];
-	    if (x1 < x2) {
-	      this._minx = x1;
-	      this._maxx = x2;
-	    } else {
-	      this._minx = x2;
-	      this._maxx = x1;
-	    }
-	    if (y1 < y2) {
-	      this._miny = y1;
-	      this._maxy = y2;
-	    } else {
-	      this._miny = y2;
-	      this._maxy = y1;
-	    }
-	  }
-	};
-	Envelope.prototype.getMaxY = function getMaxY () {
-	  return this._maxy
-	};
-	Envelope.prototype.distance = function distance (env) {
-	  if (this.intersects(env)) { return 0 }
-	  var dx = 0.0;
-	  if (this._maxx < env._minx) { dx = env._minx - this._maxx; } else if (this._minx > env._maxx) { dx = this._minx - env._maxx; }
-	  var dy = 0.0;
-	  if (this._maxy < env._miny) { dy = env._miny - this._maxy; } else if (this._miny > env._maxy) { dy = this._miny - env._maxy; }
-	  if (dx === 0.0) { return dy }
-	  if (dy === 0.0) { return dx }
-	  return Math.sqrt(dx * dx + dy * dy)
-	};
-	Envelope.prototype.hashCode = function hashCode () {
-	  var result = 17;
-	  result = 37 * result + Coordinate.hashCode(this._minx);
-	  result = 37 * result + Coordinate.hashCode(this._maxx);
-	  result = 37 * result + Coordinate.hashCode(this._miny);
-	  result = 37 * result + Coordinate.hashCode(this._maxy);
-	  return result
-	};
-	Envelope.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable, Serializable]
-	};
-	Envelope.prototype.getClass = function getClass () {
-	  return Envelope
-	};
-	Envelope.intersects = function intersects () {
-	  if (arguments.length === 3) {
-	    var p1 = arguments[0];
-	    var p2 = arguments[1];
-	    var q = arguments[2];
-	    if (q.x >= (p1.x < p2.x ? p1.x : p2.x) && q.x <= (p1.x > p2.x ? p1.x : p2.x) && (q.y >= (p1.y < p2.y ? p1.y : p2.y) && q.y <= (p1.y > p2.y ? p1.y : p2.y))) {
-	      return true
-	    }
-	    return false
-	  } else if (arguments.length === 4) {
-	    var p1$1 = arguments[0];
-	    var p2$1 = arguments[1];
-	    var q1 = arguments[2];
-	    var q2 = arguments[3];
-	    var minq = Math.min(q1.x, q2.x);
-	    var maxq = Math.max(q1.x, q2.x);
-	    var minp = Math.min(p1$1.x, p2$1.x);
-	    var maxp = Math.max(p1$1.x, p2$1.x);
-	    if (minp > maxq) { return false }
-	    if (maxp < minq) { return false }
-	    minq = Math.min(q1.y, q2.y);
-	    maxq = Math.max(q1.y, q2.y);
-	    minp = Math.min(p1$1.y, p2$1.y);
-	    maxp = Math.max(p1$1.y, p2$1.y);
-	    if (minp > maxq) { return false }
-	    if (maxp < minq) { return false }
-	    return true
-	  }
-	};
-	staticAccessors$9.serialVersionUID.get = function () { return 5873921885273102420 };
-
-	Object.defineProperties( Envelope, staticAccessors$9 );
-
-	var regExes = {
-	  'typeStr': /^\s*(\w+)\s*\(\s*(.*)\s*\)\s*$/,
-	  'emptyTypeStr': /^\s*(\w+)\s*EMPTY\s*$/,
-	  'spaces': /\s+/,
-	  'parenComma': /\)\s*,\s*\(/,
-	  'doubleParenComma': /\)\s*\)\s*,\s*\(\s*\(/, // can't use {2} here
-	  'trimParens': /^\s*\(?(.*?)\)?\s*$/
-	};
-
-	/**
-	 * Class for reading and writing Well-Known Text.
-	 *
-	 * NOTE: Adapted from OpenLayers 2.11 implementation.
-	 */
-
-	/** Create a new parser for WKT
-	 *
-	 * @param {GeometryFactory} geometryFactory
-	 * @return An instance of WKTParser.
-	 * @constructor
-	 * @private
-	 */
-	var WKTParser = function WKTParser (geometryFactory) {
-	  this.geometryFactory = geometryFactory || new GeometryFactory();
-	};
-	/**
-	 * Deserialize a WKT string and return a geometry. Supports WKT for POINT,
-	 * MULTIPOINT, LINESTRING, LINEARRING, MULTILINESTRING, POLYGON, MULTIPOLYGON,
-	 * and GEOMETRYCOLLECTION.
-	 *
-	 * @param {String} wkt A WKT string.
-	 * @return {Geometry} A geometry instance.
-	 * @private
-	 */
-	WKTParser.prototype.read = function read (wkt) {
-	  var geometry, type, str;
-	  wkt = wkt.replace(/[\n\r]/g, ' ');
-	  var matches = regExes.typeStr.exec(wkt);
-	  if (wkt.search('EMPTY') !== -1) {
-	    matches = regExes.emptyTypeStr.exec(wkt);
-	    matches[2] = undefined;
-	  }
-	  if (matches) {
-	    type = matches[1].toLowerCase();
-	    str = matches[2];
-	    if (parse$1[type]) {
-	      geometry = parse$1[type].apply(this, [str]);
-	    }
-	  }
-
-	  if (geometry === undefined) { throw new Error('Could not parse WKT ' + wkt) }
-
-	  return geometry
-	};
-
-	/**
-	 * Serialize a geometry into a WKT string.
-	 *
-	 * @param {Geometry} geometry A feature or array of features.
-	 * @return {String} The WKT string representation of the input geometries.
-	 * @private
-	 */
-	WKTParser.prototype.write = function write (geometry) {
-	  return this.extractGeometry(geometry)
-	};
-
-	/**
-	 * Entry point to construct the WKT for a single Geometry object.
-	 *
-	 * @param {Geometry} geometry
-	 * @return {String} A WKT string of representing the geometry.
-	 * @private
-	 */
-	WKTParser.prototype.extractGeometry = function extractGeometry (geometry) {
-	  var type = geometry.getGeometryType().toLowerCase();
-	  if (!extract$1[type]) {
-	    return null
-	  }
-	  var wktType = type.toUpperCase();
-	  var data;
-	  if (geometry.isEmpty()) {
-	    data = wktType + ' EMPTY';
-	  } else {
-	    data = wktType + '(' + extract$1[type].apply(this, [geometry]) + ')';
-	  }
-	  return data
-	};
-
-	/**
-	 * Object with properties corresponding to the geometry types. Property values
-	 * are functions that do the actual data extraction.
-	 * @private
-	 */
-	var extract$1 = {
-	  coordinate: function coordinate (coordinate$1) {
-	    return coordinate$1.x + ' ' + coordinate$1.y
-	  },
-
-	  /**
-	   * Return a space delimited string of point coordinates.
-	   *
-	   * @param {Point}
-	   *          point
-	   * @return {String} A string of coordinates representing the point.
-	   */
-	  point: function point (point$1) {
-	    return extract$1.coordinate.call(this, point$1._coordinates._coordinates[0])
-	  },
-
-	  /**
-	   * Return a comma delimited string of point coordinates from a multipoint.
-	   *
-	   * @param {MultiPoint}
-	   *          multipoint
-	   * @return {String} A string of point coordinate strings representing the
-	   *         multipoint.
-	   */
-	  multipoint: function multipoint (multipoint$1) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0, len = multipoint$1._geometries.length; i < len; ++i) {
-	      array.push('(' + extract$1.point.apply(this$1, [multipoint$1._geometries[i]]) + ')');
-	    }
-	    return array.join(',')
-	  },
-
-	  /**
-	   * Return a comma delimited string of point coordinates from a line.
-	   *
-	   * @param {LineString} linestring
-	   * @return {String} A string of point coordinate strings representing the linestring.
-	   */
-	  linestring: function linestring (linestring$1) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0, len = linestring$1._points._coordinates.length; i < len; ++i) {
-	      array.push(extract$1.coordinate.apply(this$1, [linestring$1._points._coordinates[i]]));
-	    }
-	    return array.join(',')
-	  },
-
-	  linearring: function linearring (linearring$1) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0, len = linearring$1._points._coordinates.length; i < len; ++i) {
-	      array.push(extract$1.coordinate.apply(this$1, [linearring$1._points._coordinates[i]]));
-	    }
-	    return array.join(',')
-	  },
-
-	  /**
-	   * Return a comma delimited string of linestring strings from a
-	   * multilinestring.
-	   *
-	   * @param {MultiLineString} multilinestring
-	   * @return {String} A string of of linestring strings representing the multilinestring.
-	   */
-	  multilinestring: function multilinestring (multilinestring$1) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0, len = multilinestring$1._geometries.length; i < len; ++i) {
-	      array.push('(' +
-	        extract$1.linestring.apply(this$1, [multilinestring$1._geometries[i]]) +
-	        ')');
-	    }
-	    return array.join(',')
-	  },
-
-	  /**
-	   * Return a comma delimited string of linear ring arrays from a polygon.
-	   *
-	   * @param {Polygon} polygon
-	   * @return {String} An array of linear ring arrays representing the polygon.
-	   */
-	  polygon: function polygon (polygon$1) {
-	    var this$1 = this;
-
-	    var array = [];
-	    array.push('(' + extract$1.linestring.apply(this, [polygon$1._shell]) + ')');
-	    for (var i = 0, len = polygon$1._holes.length; i < len; ++i) {
-	      array.push('(' + extract$1.linestring.apply(this$1, [polygon$1._holes[i]]) + ')');
-	    }
-	    return array.join(',')
-	  },
-
-	  /**
-	   * Return an array of polygon arrays from a multipolygon.
-	   *
-	   * @param {MultiPolygon} multipolygon
-	   * @return {String} An array of polygon arrays representing the multipolygon.
-	   */
-	  multipolygon: function multipolygon (multipolygon$1) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0, len = multipolygon$1._geometries.length; i < len; ++i) {
-	      array.push('(' + extract$1.polygon.apply(this$1, [multipolygon$1._geometries[i]]) + ')');
-	    }
-	    return array.join(',')
-	  },
-
-	  /**
-	   * Return the WKT portion between 'GEOMETRYCOLLECTION(' and ')' for an
-	   * geometrycollection.
-	   *
-	   * @param {GeometryCollection} collection
-	   * @return {String} internal WKT representation of the collection.
-	   */
-	  geometrycollection: function geometrycollection (collection) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0, len = collection._geometries.length; i < len; ++i) {
-	      array.push(this$1.extractGeometry(collection._geometries[i]));
-	    }
-	    return array.join(',')
-	  }
-	};
-
-	/**
-	 * Object with properties corresponding to the geometry types. Property values
-	 * are functions that do the actual parsing.
-	 * @private
-	 */
-	var parse$1 = {
-	  /**
-	   * Return point geometry given a point WKT fragment.
-	   *
-	   * @param {String} str A WKT fragment representing the point.
-	   * @return {Point} A point geometry.
-	   * @private
-	   */
-	  point: function point (str) {
-	    if (str === undefined) {
-	      return this.geometryFactory.createPoint()
-	    }
-
-	    var coords = str.trim().split(regExes.spaces);
-	    return this.geometryFactory.createPoint(new Coordinate(Number.parseFloat(coords[0]),
-	      Number.parseFloat(coords[1])))
-	  },
-
-	  /**
-	   * Return a multipoint geometry given a multipoint WKT fragment.
-	   *
-	   * @param {String} str A WKT fragment representing the multipoint.
-	   * @return {Point} A multipoint feature.
-	   * @private
-	   */
-	  multipoint: function multipoint (str) {
-	    var this$1 = this;
-
-	    if (str === undefined) {
-	      return this.geometryFactory.createMultiPoint()
-	    }
-
-	    var point;
-	    var points = str.trim().split(',');
-	    var components = [];
-	    for (var i = 0, len = points.length; i < len; ++i) {
-	      point = points[i].replace(regExes.trimParens, '$1');
-	      components.push(parse$1.point.apply(this$1, [point]));
-	    }
-	    return this.geometryFactory.createMultiPoint(components)
-	  },
-
-	  /**
-	   * Return a linestring geometry given a linestring WKT fragment.
-	   *
-	   * @param {String} str A WKT fragment representing the linestring.
-	   * @return {LineString} A linestring geometry.
-	   * @private
-	   */
-	  linestring: function linestring (str) {
-	    if (str === undefined) {
-	      return this.geometryFactory.createLineString()
-	    }
-
-	    var points = str.trim().split(',');
-	    var components = [];
-	    var coords;
-	    for (var i = 0, len = points.length; i < len; ++i) {
-	      coords = points[i].trim().split(regExes.spaces);
-	      components.push(new Coordinate(Number.parseFloat(coords[0]), Number.parseFloat(coords[1])));
-	    }
-	    return this.geometryFactory.createLineString(components)
-	  },
-
-	  /**
-	   * Return a linearring geometry given a linearring WKT fragment.
-	   *
-	   * @param {String} str A WKT fragment representing the linearring.
-	   * @return {LinearRing} A linearring geometry.
-	   * @private
-	   */
-	  linearring: function linearring (str) {
-	    if (str === undefined) {
-	      return this.geometryFactory.createLinearRing()
-	    }
-
-	    var points = str.trim().split(',');
-	    var components = [];
-	    var coords;
-	    for (var i = 0, len = points.length; i < len; ++i) {
-	      coords = points[i].trim().split(regExes.spaces);
-	      components.push(new Coordinate(Number.parseFloat(coords[0]), Number.parseFloat(coords[1])));
-	    }
-	    return this.geometryFactory.createLinearRing(components)
-	  },
-
-	  /**
-	   * Return a multilinestring geometry given a multilinestring WKT fragment.
-	   *
-	   * @param {String} str A WKT fragment representing the multilinestring.
-	   * @return {MultiLineString} A multilinestring geometry.
-	   * @private
-	   */
-	  multilinestring: function multilinestring (str) {
-	    var this$1 = this;
-
-	    if (str === undefined) {
-	      return this.geometryFactory.createMultiLineString()
-	    }
-
-	    var line;
-	    var lines = str.trim().split(regExes.parenComma);
-	    var components = [];
-	    for (var i = 0, len = lines.length; i < len; ++i) {
-	      line = lines[i].replace(regExes.trimParens, '$1');
-	      components.push(parse$1.linestring.apply(this$1, [line]));
-	    }
-	    return this.geometryFactory.createMultiLineString(components)
-	  },
-
-	  /**
-	   * Return a polygon geometry given a polygon WKT fragment.
-	   *
-	   * @param {String} str A WKT fragment representing the polygon.
-	   * @return {Polygon} A polygon geometry.
-	   * @private
-	   */
-	  polygon: function polygon (str) {
-	    var this$1 = this;
-
-	    if (str === undefined) {
-	      return this.geometryFactory.createPolygon()
-	    }
-
-	    var ring, linestring, linearring;
-	    var rings = str.trim().split(regExes.parenComma);
-	    var shell;
-	    var holes = [];
-	    for (var i = 0, len = rings.length; i < len; ++i) {
-	      ring = rings[i].replace(regExes.trimParens, '$1');
-	      linestring = parse$1.linestring.apply(this$1, [ring]);
-	      linearring = this$1.geometryFactory.createLinearRing(linestring._points);
-	      if (i === 0) {
-	        shell = linearring;
-	      } else {
-	        holes.push(linearring);
-	      }
-	    }
-	    return this.geometryFactory.createPolygon(shell, holes)
-	  },
-
-	  /**
-	   * Return a multipolygon geometry given a multipolygon WKT fragment.
-	   *
-	   * @param {String} str A WKT fragment representing the multipolygon.
-	   * @return {MultiPolygon} A multipolygon geometry.
-	   * @private
-	   */
-	  multipolygon: function multipolygon (str) {
-	    var this$1 = this;
-
-	    if (str === undefined) {
-	      return this.geometryFactory.createMultiPolygon()
-	    }
-
-	    var polygon;
-	    var polygons = str.trim().split(regExes.doubleParenComma);
-	    var components = [];
-	    for (var i = 0, len = polygons.length; i < len; ++i) {
-	      polygon = polygons[i].replace(regExes.trimParens, '$1');
-	      components.push(parse$1.polygon.apply(this$1, [polygon]));
-	    }
-	    return this.geometryFactory.createMultiPolygon(components)
-	  },
-
-	  /**
-	   * Return a geometrycollection given a geometrycollection WKT fragment.
-	   *
-	   * @param {String} str A WKT fragment representing the geometrycollection.
-	   * @return {GeometryCollection}
-	   * @private
-	   */
-	  geometrycollection: function geometrycollection (str) {
-	    var this$1 = this;
-
-	    if (str === undefined) {
-	      return this.geometryFactory.createGeometryCollection()
-	    }
-
-	    // separate components of the collection with |
-	    str = str.replace(/,\s*([A-Za-z])/g, '|$1');
-	    var wktArray = str.trim().split('|');
-	    var components = [];
-	    for (var i = 0, len = wktArray.length; i < len; ++i) {
-	      components.push(this$1.read(wktArray[i]));
-	    }
-	    return this.geometryFactory.createGeometryCollection(components)
-	  }
-	};
-
-	/**
-	 * Writes the Well-Known Text representation of a {@link Geometry}. The
-	 * Well-Known Text format is defined in the <A
-	 * HREF="http://www.opengis.org/techno/specs.htm"> OGC Simple Features
-	 * Specification for SQL</A>.
-	 * <p>
-	 * The <code>WKTWriter</code> outputs coordinates rounded to the precision
-	 * model. Only the maximum number of decimal places necessary to represent the
-	 * ordinates to the required precision will be output.
-	 * <p>
-	 * The SFS WKT spec does not define a special tag for {@link LinearRing}s.
-	 * Under the spec, rings are output as <code>LINESTRING</code>s.
-	 */
-
-	/**
-	 * @param {GeometryFactory} geometryFactory
-	 * @constructor
-	 */
-	var WKTWriter = function WKTWriter (geometryFactory) {
-	  this.parser = new WKTParser(geometryFactory);
-	};
-
-	/**
-	 * Converts a <code>Geometry</code> to its Well-known Text representation.
-	 *
-	 * @param {Geometry} geometry a <code>Geometry</code> to process.
-	 * @return {string} a <Geometry Tagged Text> string (see the OpenGIS Simple
-	 *       Features Specification).
-	 * @memberof WKTWriter
-	 */
-	WKTWriter.prototype.write = function write (geometry) {
-	  return this.parser.write(geometry)
-	};
-	/**
-	 * Generates the WKT for a <tt>LINESTRING</tt> specified by two
-	 * {@link Coordinate}s.
-	 *
-	 * @param p0 the first coordinate.
-	 * @param p1 the second coordinate.
-	 *
-	 * @return the WKT.
-	 * @private
-	 */
-	WKTWriter.toLineString = function toLineString (p0, p1) {
-	  if (arguments.length !== 2) {
-	    throw new Error('Not implemented')
-	  }
-	  return 'LINESTRING ( ' + p0.x + ' ' + p0.y + ', ' + p1.x + ' ' + p1.y + ' )'
-	};
-
-	var RuntimeException = (function (Error) {
-	  function RuntimeException (message) {
-	    Error.call(this, message);
-	    this.name = 'RuntimeException';
-	    this.message = message;
-	    this.stack = (new Error()).stack;
-	  }
-
-	  if ( Error ) RuntimeException.__proto__ = Error;
-	  RuntimeException.prototype = Object.create( Error && Error.prototype );
-	  RuntimeException.prototype.constructor = RuntimeException;
-
-	  return RuntimeException;
-	}(Error));
-
-	var AssertionFailedException = (function (RuntimeException$$1) {
-	  function AssertionFailedException () {
-	    RuntimeException$$1.call(this);
-	    if (arguments.length === 0) {
-	      RuntimeException$$1.call(this);
-	    } else if (arguments.length === 1) {
-	      var message = arguments[0];
-	      RuntimeException$$1.call(this, message);
-	    }
-	  }
-
-	  if ( RuntimeException$$1 ) AssertionFailedException.__proto__ = RuntimeException$$1;
-	  AssertionFailedException.prototype = Object.create( RuntimeException$$1 && RuntimeException$$1.prototype );
-	  AssertionFailedException.prototype.constructor = AssertionFailedException;
-	  AssertionFailedException.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  AssertionFailedException.prototype.getClass = function getClass () {
-	    return AssertionFailedException
-	  };
-
-	  return AssertionFailedException;
-	}(RuntimeException));
-
-	var Assert = function Assert () {};
-
-	Assert.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Assert.prototype.getClass = function getClass () {
-	  return Assert
-	};
-	Assert.shouldNeverReachHere = function shouldNeverReachHere () {
-	  if (arguments.length === 0) {
-	    Assert.shouldNeverReachHere(null);
-	  } else if (arguments.length === 1) {
-	    var message = arguments[0];
-	    throw new AssertionFailedException('Should never reach here' + (message !== null ? ': ' + message : ''))
-	  }
-	};
-	Assert.isTrue = function isTrue () {
-	  var assertion;
-	  var message;
-	  if (arguments.length === 1) {
-	    assertion = arguments[0];
-	    Assert.isTrue(assertion, null);
-	  } else if (arguments.length === 2) {
-	    assertion = arguments[0];
-	    message = arguments[1];
-	    if (!assertion) {
-	      if (message === null) {
-	        throw new AssertionFailedException()
-	      } else {
-	        throw new AssertionFailedException(message)
-	      }
-	    }
-	  }
-	};
-	Assert.equals = function equals () {
-	  var expectedValue;
-	  var actualValue;
-	  var message;
-	  if (arguments.length === 2) {
-	    expectedValue = arguments[0];
-	    actualValue = arguments[1];
-	    Assert.equals(expectedValue, actualValue, null);
-	  } else if (arguments.length === 3) {
-	    expectedValue = arguments[0];
-	    actualValue = arguments[1];
-	    message = arguments[2];
-	    if (!actualValue.equals(expectedValue)) {
-	      throw new AssertionFailedException('Expected ' + expectedValue + ' but encountered ' + actualValue + (message !== null ? ': ' + message : ''))
-	    }
-	  }
-	};
-
-	var LineIntersector = function LineIntersector () {
-	  this._result = null;
-	  this._inputLines = Array(2).fill().map(function () { return Array(2); });
-	  this._intPt = new Array(2).fill(null);
-	  this._intLineIndex = null;
-	  this._isProper = null;
-	  this._pa = null;
-	  this._pb = null;
-	  this._precisionModel = null;
-	  this._intPt[0] = new Coordinate();
-	  this._intPt[1] = new Coordinate();
-	  this._pa = this._intPt[0];
-	  this._pb = this._intPt[1];
-	  this._result = 0;
-	};
-
-	var staticAccessors$10 = { DONT_INTERSECT: { configurable: true },DO_INTERSECT: { configurable: true },COLLINEAR: { configurable: true },NO_INTERSECTION: { configurable: true },POINT_INTERSECTION: { configurable: true },COLLINEAR_INTERSECTION: { configurable: true } };
-	LineIntersector.prototype.getIndexAlongSegment = function getIndexAlongSegment (segmentIndex, intIndex) {
-	  this.computeIntLineIndex();
-	  return this._intLineIndex[segmentIndex][intIndex]
-	};
-	LineIntersector.prototype.getTopologySummary = function getTopologySummary () {
-	  var catBuf = new StringBuffer();
-	  if (this.isEndPoint()) { catBuf.append(' endpoint'); }
-	  if (this._isProper) { catBuf.append(' proper'); }
-	  if (this.isCollinear()) { catBuf.append(' collinear'); }
-	  return catBuf.toString()
-	};
-	LineIntersector.prototype.computeIntersection = function computeIntersection (p1, p2, p3, p4) {
-	  this._inputLines[0][0] = p1;
-	  this._inputLines[0][1] = p2;
-	  this._inputLines[1][0] = p3;
-	  this._inputLines[1][1] = p4;
-	  this._result = this.computeIntersect(p1, p2, p3, p4);
-	};
-	LineIntersector.prototype.getIntersectionNum = function getIntersectionNum () {
-	  return this._result
-	};
-	LineIntersector.prototype.computeIntLineIndex = function computeIntLineIndex () {
-	  if (arguments.length === 0) {
-	    if (this._intLineIndex === null) {
-	      this._intLineIndex = Array(2).fill().map(function () { return Array(2); });
-	      this.computeIntLineIndex(0);
-	      this.computeIntLineIndex(1);
-	    }
-	  } else if (arguments.length === 1) {
-	    var segmentIndex = arguments[0];
-	    var dist0 = this.getEdgeDistance(segmentIndex, 0);
-	    var dist1 = this.getEdgeDistance(segmentIndex, 1);
-	    if (dist0 > dist1) {
-	      this._intLineIndex[segmentIndex][0] = 0;
-	      this._intLineIndex[segmentIndex][1] = 1;
-	    } else {
-	      this._intLineIndex[segmentIndex][0] = 1;
-	      this._intLineIndex[segmentIndex][1] = 0;
-	    }
-	  }
-	};
-	LineIntersector.prototype.isProper = function isProper () {
-	  return this.hasIntersection() && this._isProper
-	};
-	LineIntersector.prototype.setPrecisionModel = function setPrecisionModel (precisionModel) {
-	  this._precisionModel = precisionModel;
-	};
-	LineIntersector.prototype.isInteriorIntersection = function isInteriorIntersection () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    if (this.isInteriorIntersection(0)) { return true }
-	    if (this.isInteriorIntersection(1)) { return true }
-	    return false
-	  } else if (arguments.length === 1) {
-	    var inputLineIndex = arguments[0];
-	    for (var i = 0; i < this._result; i++) {
-	      if (!(this$1._intPt[i].equals2D(this$1._inputLines[inputLineIndex][0]) || this$1._intPt[i].equals2D(this$1._inputLines[inputLineIndex][1]))) {
-	        return true
-	      }
-	    }
-	    return false
-	  }
-	};
-	LineIntersector.prototype.getIntersection = function getIntersection (intIndex) {
-	  return this._intPt[intIndex]
-	};
-	LineIntersector.prototype.isEndPoint = function isEndPoint () {
-	  return this.hasIntersection() && !this._isProper
-	};
-	LineIntersector.prototype.hasIntersection = function hasIntersection () {
-	  return this._result !== LineIntersector.NO_INTERSECTION
-	};
-	LineIntersector.prototype.getEdgeDistance = function getEdgeDistance (segmentIndex, intIndex) {
-	  var dist = LineIntersector.computeEdgeDistance(this._intPt[intIndex], this._inputLines[segmentIndex][0], this._inputLines[segmentIndex][1]);
-	  return dist
-	};
-	LineIntersector.prototype.isCollinear = function isCollinear () {
-	  return this._result === LineIntersector.COLLINEAR_INTERSECTION
-	};
-	LineIntersector.prototype.toString = function toString () {
-	  return WKTWriter.toLineString(this._inputLines[0][0], this._inputLines[0][1]) + ' - ' + WKTWriter.toLineString(this._inputLines[1][0], this._inputLines[1][1]) + this.getTopologySummary()
-	};
-	LineIntersector.prototype.getEndpoint = function getEndpoint (segmentIndex, ptIndex) {
-	  return this._inputLines[segmentIndex][ptIndex]
-	};
-	LineIntersector.prototype.isIntersection = function isIntersection (pt) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this._result; i++) {
-	    if (this$1._intPt[i].equals2D(pt)) {
-	      return true
-	    }
-	  }
-	  return false
-	};
-	LineIntersector.prototype.getIntersectionAlongSegment = function getIntersectionAlongSegment (segmentIndex, intIndex) {
-	  this.computeIntLineIndex();
-	  return this._intPt[this._intLineIndex[segmentIndex][intIndex]]
-	};
-	LineIntersector.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	LineIntersector.prototype.getClass = function getClass () {
-	  return LineIntersector
-	};
-	LineIntersector.computeEdgeDistance = function computeEdgeDistance (p, p0, p1) {
-	  var dx = Math.abs(p1.x - p0.x);
-	  var dy = Math.abs(p1.y - p0.y);
-	  var dist = -1.0;
-	  if (p.equals(p0)) {
-	    dist = 0.0;
-	  } else if (p.equals(p1)) {
-	    if (dx > dy) { dist = dx; } else { dist = dy; }
-	  } else {
-	    var pdx = Math.abs(p.x - p0.x);
-	    var pdy = Math.abs(p.y - p0.y);
-	    if (dx > dy) { dist = pdx; } else { dist = pdy; }
-	    if (dist === 0.0 && !p.equals(p0)) {
-	      dist = Math.max(pdx, pdy);
-	    }
-	  }
-	  Assert.isTrue(!(dist === 0.0 && !p.equals(p0)), 'Bad distance calculation');
-	  return dist
-	};
-	LineIntersector.nonRobustComputeEdgeDistance = function nonRobustComputeEdgeDistance (p, p1, p2) {
-	  var dx = p.x - p1.x;
-	  var dy = p.y - p1.y;
-	  var dist = Math.sqrt(dx * dx + dy * dy);
-	  Assert.isTrue(!(dist === 0.0 && !p.equals(p1)), 'Invalid distance calculation');
-	  return dist
-	};
-	staticAccessors$10.DONT_INTERSECT.get = function () { return 0 };
-	staticAccessors$10.DO_INTERSECT.get = function () { return 1 };
-	staticAccessors$10.COLLINEAR.get = function () { return 2 };
-	staticAccessors$10.NO_INTERSECTION.get = function () { return 0 };
-	staticAccessors$10.POINT_INTERSECTION.get = function () { return 1 };
-	staticAccessors$10.COLLINEAR_INTERSECTION.get = function () { return 2 };
-
-	Object.defineProperties( LineIntersector, staticAccessors$10 );
-
-	var RobustLineIntersector = (function (LineIntersector$$1) {
-	  function RobustLineIntersector () {
-	    LineIntersector$$1.apply(this, arguments);
-	  }
-
-	  if ( LineIntersector$$1 ) RobustLineIntersector.__proto__ = LineIntersector$$1;
-	  RobustLineIntersector.prototype = Object.create( LineIntersector$$1 && LineIntersector$$1.prototype );
-	  RobustLineIntersector.prototype.constructor = RobustLineIntersector;
-
-	  RobustLineIntersector.prototype.isInSegmentEnvelopes = function isInSegmentEnvelopes (intPt) {
-	    var env0 = new Envelope(this._inputLines[0][0], this._inputLines[0][1]);
-	    var env1 = new Envelope(this._inputLines[1][0], this._inputLines[1][1]);
-	    return env0.contains(intPt) && env1.contains(intPt)
-	  };
-	  RobustLineIntersector.prototype.computeIntersection = function computeIntersection () {
-	    if (arguments.length === 3) {
-	      var p = arguments[0];
-	      var p1 = arguments[1];
-	      var p2 = arguments[2];
-	      this._isProper = false;
-	      if (Envelope.intersects(p1, p2, p)) {
-	        if (CGAlgorithms.orientationIndex(p1, p2, p) === 0 && CGAlgorithms.orientationIndex(p2, p1, p) === 0) {
-	          this._isProper = true;
-	          if (p.equals(p1) || p.equals(p2)) {
-	            this._isProper = false;
-	          }
-	          this._result = LineIntersector$$1.POINT_INTERSECTION;
-	          return null
-	        }
-	      }
-	      this._result = LineIntersector$$1.NO_INTERSECTION;
-	    } else { return LineIntersector$$1.prototype.computeIntersection.apply(this, arguments) }
-	  };
-	  RobustLineIntersector.prototype.normalizeToMinimum = function normalizeToMinimum (n1, n2, n3, n4, normPt) {
-	    normPt.x = this.smallestInAbsValue(n1.x, n2.x, n3.x, n4.x);
-	    normPt.y = this.smallestInAbsValue(n1.y, n2.y, n3.y, n4.y);
-	    n1.x -= normPt.x;
-	    n1.y -= normPt.y;
-	    n2.x -= normPt.x;
-	    n2.y -= normPt.y;
-	    n3.x -= normPt.x;
-	    n3.y -= normPt.y;
-	    n4.x -= normPt.x;
-	    n4.y -= normPt.y;
-	  };
-	  RobustLineIntersector.prototype.safeHCoordinateIntersection = function safeHCoordinateIntersection (p1, p2, q1, q2) {
-	    var intPt = null;
-	    try {
-	      intPt = HCoordinate.intersection(p1, p2, q1, q2);
-	    } catch (e) {
-	      if (e instanceof NotRepresentableException) {
-	        intPt = RobustLineIntersector.nearestEndpoint(p1, p2, q1, q2);
-	      } else { throw e }
-	    } finally {}
-	    return intPt
-	  };
-	  RobustLineIntersector.prototype.intersection = function intersection (p1, p2, q1, q2) {
-	    var intPt = this.intersectionWithNormalization(p1, p2, q1, q2);
-	    if (!this.isInSegmentEnvelopes(intPt)) {
-	      intPt = new Coordinate(RobustLineIntersector.nearestEndpoint(p1, p2, q1, q2));
-	    }
-	    if (this._precisionModel !== null) {
-	      this._precisionModel.makePrecise(intPt);
-	    }
-	    return intPt
-	  };
-	  RobustLineIntersector.prototype.smallestInAbsValue = function smallestInAbsValue (x1, x2, x3, x4) {
-	    var x = x1;
-	    var xabs = Math.abs(x);
-	    if (Math.abs(x2) < xabs) {
-	      x = x2;
-	      xabs = Math.abs(x2);
-	    }
-	    if (Math.abs(x3) < xabs) {
-	      x = x3;
-	      xabs = Math.abs(x3);
-	    }
-	    if (Math.abs(x4) < xabs) {
-	      x = x4;
-	    }
-	    return x
-	  };
-	  RobustLineIntersector.prototype.checkDD = function checkDD (p1, p2, q1, q2, intPt) {
-	    var intPtDD = CGAlgorithmsDD.intersection(p1, p2, q1, q2);
-	    var isIn = this.isInSegmentEnvelopes(intPtDD);
-	    System.out.println('DD in env = ' + isIn + '  --------------------- ' + intPtDD);
-	    if (intPt.distance(intPtDD) > 0.0001) {
-	      System.out.println('Distance = ' + intPt.distance(intPtDD));
-	    }
-	  };
-	  RobustLineIntersector.prototype.intersectionWithNormalization = function intersectionWithNormalization (p1, p2, q1, q2) {
-	    var n1 = new Coordinate(p1);
-	    var n2 = new Coordinate(p2);
-	    var n3 = new Coordinate(q1);
-	    var n4 = new Coordinate(q2);
-	    var normPt = new Coordinate();
-	    this.normalizeToEnvCentre(n1, n2, n3, n4, normPt);
-	    var intPt = this.safeHCoordinateIntersection(n1, n2, n3, n4);
-	    intPt.x += normPt.x;
-	    intPt.y += normPt.y;
-	    return intPt
-	  };
-	  RobustLineIntersector.prototype.computeCollinearIntersection = function computeCollinearIntersection (p1, p2, q1, q2) {
-	    var p1q1p2 = Envelope.intersects(p1, p2, q1);
-	    var p1q2p2 = Envelope.intersects(p1, p2, q2);
-	    var q1p1q2 = Envelope.intersects(q1, q2, p1);
-	    var q1p2q2 = Envelope.intersects(q1, q2, p2);
-	    if (p1q1p2 && p1q2p2) {
-	      this._intPt[0] = q1;
-	      this._intPt[1] = q2;
-	      return LineIntersector$$1.COLLINEAR_INTERSECTION
-	    }
-	    if (q1p1q2 && q1p2q2) {
-	      this._intPt[0] = p1;
-	      this._intPt[1] = p2;
-	      return LineIntersector$$1.COLLINEAR_INTERSECTION
-	    }
-	    if (p1q1p2 && q1p1q2) {
-	      this._intPt[0] = q1;
-	      this._intPt[1] = p1;
-	      return q1.equals(p1) && !p1q2p2 && !q1p2q2 ? LineIntersector$$1.POINT_INTERSECTION : LineIntersector$$1.COLLINEAR_INTERSECTION
-	    }
-	    if (p1q1p2 && q1p2q2) {
-	      this._intPt[0] = q1;
-	      this._intPt[1] = p2;
-	      return q1.equals(p2) && !p1q2p2 && !q1p1q2 ? LineIntersector$$1.POINT_INTERSECTION : LineIntersector$$1.COLLINEAR_INTERSECTION
-	    }
-	    if (p1q2p2 && q1p1q2) {
-	      this._intPt[0] = q2;
-	      this._intPt[1] = p1;
-	      return q2.equals(p1) && !p1q1p2 && !q1p2q2 ? LineIntersector$$1.POINT_INTERSECTION : LineIntersector$$1.COLLINEAR_INTERSECTION
-	    }
-	    if (p1q2p2 && q1p2q2) {
-	      this._intPt[0] = q2;
-	      this._intPt[1] = p2;
-	      return q2.equals(p2) && !p1q1p2 && !q1p1q2 ? LineIntersector$$1.POINT_INTERSECTION : LineIntersector$$1.COLLINEAR_INTERSECTION
-	    }
-	    return LineIntersector$$1.NO_INTERSECTION
-	  };
-	  RobustLineIntersector.prototype.normalizeToEnvCentre = function normalizeToEnvCentre (n00, n01, n10, n11, normPt) {
-	    var minX0 = n00.x < n01.x ? n00.x : n01.x;
-	    var minY0 = n00.y < n01.y ? n00.y : n01.y;
-	    var maxX0 = n00.x > n01.x ? n00.x : n01.x;
-	    var maxY0 = n00.y > n01.y ? n00.y : n01.y;
-	    var minX1 = n10.x < n11.x ? n10.x : n11.x;
-	    var minY1 = n10.y < n11.y ? n10.y : n11.y;
-	    var maxX1 = n10.x > n11.x ? n10.x : n11.x;
-	    var maxY1 = n10.y > n11.y ? n10.y : n11.y;
-	    var intMinX = minX0 > minX1 ? minX0 : minX1;
-	    var intMaxX = maxX0 < maxX1 ? maxX0 : maxX1;
-	    var intMinY = minY0 > minY1 ? minY0 : minY1;
-	    var intMaxY = maxY0 < maxY1 ? maxY0 : maxY1;
-	    var intMidX = (intMinX + intMaxX) / 2.0;
-	    var intMidY = (intMinY + intMaxY) / 2.0;
-	    normPt.x = intMidX;
-	    normPt.y = intMidY;
-	    n00.x -= normPt.x;
-	    n00.y -= normPt.y;
-	    n01.x -= normPt.x;
-	    n01.y -= normPt.y;
-	    n10.x -= normPt.x;
-	    n10.y -= normPt.y;
-	    n11.x -= normPt.x;
-	    n11.y -= normPt.y;
-	  };
-	  RobustLineIntersector.prototype.computeIntersect = function computeIntersect (p1, p2, q1, q2) {
-	    this._isProper = false;
-	    if (!Envelope.intersects(p1, p2, q1, q2)) { return LineIntersector$$1.NO_INTERSECTION }
-	    var Pq1 = CGAlgorithms.orientationIndex(p1, p2, q1);
-	    var Pq2 = CGAlgorithms.orientationIndex(p1, p2, q2);
-	    if ((Pq1 > 0 && Pq2 > 0) || (Pq1 < 0 && Pq2 < 0)) {
-	      return LineIntersector$$1.NO_INTERSECTION
-	    }
-	    var Qp1 = CGAlgorithms.orientationIndex(q1, q2, p1);
-	    var Qp2 = CGAlgorithms.orientationIndex(q1, q2, p2);
-	    if ((Qp1 > 0 && Qp2 > 0) || (Qp1 < 0 && Qp2 < 0)) {
-	      return LineIntersector$$1.NO_INTERSECTION
-	    }
-	    var collinear = Pq1 === 0 && Pq2 === 0 && Qp1 === 0 && Qp2 === 0;
-	    if (collinear) {
-	      return this.computeCollinearIntersection(p1, p2, q1, q2)
-	    }
-	    if (Pq1 === 0 || Pq2 === 0 || Qp1 === 0 || Qp2 === 0) {
-	      this._isProper = false;
-	      if (p1.equals2D(q1) || p1.equals2D(q2)) {
-	        this._intPt[0] = p1;
-	      } else if (p2.equals2D(q1) || p2.equals2D(q2)) {
-	        this._intPt[0] = p2;
-	      } else if (Pq1 === 0) {
-	        this._intPt[0] = new Coordinate(q1);
-	      } else if (Pq2 === 0) {
-	        this._intPt[0] = new Coordinate(q2);
-	      } else if (Qp1 === 0) {
-	        this._intPt[0] = new Coordinate(p1);
-	      } else if (Qp2 === 0) {
-	        this._intPt[0] = new Coordinate(p2);
-	      }
-	    } else {
-	      this._isProper = true;
-	      this._intPt[0] = this.intersection(p1, p2, q1, q2);
-	    }
-	    return LineIntersector$$1.POINT_INTERSECTION
-	  };
-	  RobustLineIntersector.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  RobustLineIntersector.prototype.getClass = function getClass () {
-	    return RobustLineIntersector
-	  };
-	  RobustLineIntersector.nearestEndpoint = function nearestEndpoint (p1, p2, q1, q2) {
-	    var nearestPt = p1;
-	    var minDist = CGAlgorithms.distancePointLine(p1, q1, q2);
-	    var dist = CGAlgorithms.distancePointLine(p2, q1, q2);
-	    if (dist < minDist) {
-	      minDist = dist;
-	      nearestPt = p2;
-	    }
-	    dist = CGAlgorithms.distancePointLine(q1, p1, p2);
-	    if (dist < minDist) {
-	      minDist = dist;
-	      nearestPt = q1;
-	    }
-	    dist = CGAlgorithms.distancePointLine(q2, p1, p2);
-	    if (dist < minDist) {
-	      minDist = dist;
-	      nearestPt = q2;
-	    }
-	    return nearestPt
-	  };
-
-	  return RobustLineIntersector;
-	}(LineIntersector));
-
-	var RobustDeterminant = function RobustDeterminant () {};
-
-	RobustDeterminant.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	RobustDeterminant.prototype.getClass = function getClass () {
-	  return RobustDeterminant
-	};
-	RobustDeterminant.orientationIndex = function orientationIndex (p1, p2, q) {
-	  var dx1 = p2.x - p1.x;
-	  var dy1 = p2.y - p1.y;
-	  var dx2 = q.x - p2.x;
-	  var dy2 = q.y - p2.y;
-	  return RobustDeterminant.signOfDet2x2(dx1, dy1, dx2, dy2)
-	};
-	RobustDeterminant.signOfDet2x2 = function signOfDet2x2 (x1, y1, x2, y2) {
-	  var sign = null;
-	  var swap = null;
-	  var k = null;
-	  sign = 1;
-	  if (x1 === 0.0 || y2 === 0.0) {
-	    if (y1 === 0.0 || x2 === 0.0) {
-	      return 0
-	    } else if (y1 > 0) {
-	      if (x2 > 0) {
-	        return -sign
-	      } else {
-	        return sign
-	      }
-	    } else {
-	      if (x2 > 0) {
-	        return sign
-	      } else {
-	        return -sign
-	      }
-	    }
-	  }
-	  if (y1 === 0.0 || x2 === 0.0) {
-	    if (y2 > 0) {
-	      if (x1 > 0) {
-	        return sign
-	      } else {
-	        return -sign
-	      }
-	    } else {
-	      if (x1 > 0) {
-	        return -sign
-	      } else {
-	        return sign
-	      }
-	    }
-	  }
-	  if (y1 > 0.0) {
-	    if (y2 > 0.0) {
-	      if (y1 <= y2) ; else {
-	        sign = -sign;
-	        swap = x1;
-	        x1 = x2;
-	        x2 = swap;
-	        swap = y1;
-	        y1 = y2;
-	        y2 = swap;
-	      }
-	    } else {
-	      if (y1 <= -y2) {
-	        sign = -sign;
-	        x2 = -x2;
-	        y2 = -y2;
-	      } else {
-	        swap = x1;
-	        x1 = -x2;
-	        x2 = swap;
-	        swap = y1;
-	        y1 = -y2;
-	        y2 = swap;
-	      }
-	    }
-	  } else {
-	    if (y2 > 0.0) {
-	      if (-y1 <= y2) {
-	        sign = -sign;
-	        x1 = -x1;
-	        y1 = -y1;
-	      } else {
-	        swap = -x1;
-	        x1 = x2;
-	        x2 = swap;
-	        swap = -y1;
-	        y1 = y2;
-	        y2 = swap;
-	      }
-	    } else {
-	      if (y1 >= y2) {
-	        x1 = -x1;
-	        y1 = -y1;
-	        x2 = -x2;
-	        y2 = -y2;
-	      } else {
-	        sign = -sign;
-	        swap = -x1;
-	        x1 = -x2;
-	        x2 = swap;
-	        swap = -y1;
-	        y1 = -y2;
-	        y2 = swap;
-	      }
-	    }
-	  }
-	  if (x1 > 0.0) {
-	    if (x2 > 0.0) {
-	      if (x1 <= x2) ; else {
-	        return sign
-	      }
-	    } else {
-	      return sign
-	    }
-	  } else {
-	    if (x2 > 0.0) {
-	      return -sign
-	    } else {
-	      if (x1 >= x2) {
-	        sign = -sign;
-	        x1 = -x1;
-	        x2 = -x2;
-	      } else {
-	        return -sign
-	      }
-	    }
-	  }
-	  while (true) {
-	    k = Math.floor(x2 / x1);
-	    x2 = x2 - k * x1;
-	    y2 = y2 - k * y1;
-	    if (y2 < 0.0) {
-	      return -sign
-	    }
-	    if (y2 > y1) {
-	      return sign
-	    }
-	    if (x1 > x2 + x2) {
-	      if (y1 < y2 + y2) {
-	        return sign
-	      }
-	    } else {
-	      if (y1 > y2 + y2) {
-	        return -sign
-	      } else {
-	        x2 = x1 - x2;
-	        y2 = y1 - y2;
-	        sign = -sign;
-	      }
-	    }
-	    if (y2 === 0.0) {
-	      if (x2 === 0.0) {
-	        return 0
-	      } else {
-	        return -sign
-	      }
-	    }
-	    if (x2 === 0.0) {
-	      return sign
-	    }
-	    k = Math.floor(x1 / x2);
-	    x1 = x1 - k * x2;
-	    y1 = y1 - k * y2;
-	    if (y1 < 0.0) {
-	      return sign
-	    }
-	    if (y1 > y2) {
-	      return -sign
-	    }
-	    if (x2 > x1 + x1) {
-	      if (y2 < y1 + y1) {
-	        return -sign
-	      }
-	    } else {
-	      if (y2 > y1 + y1) {
-	        return sign
-	      } else {
-	        x1 = x2 - x1;
-	        y1 = y2 - y1;
-	        sign = -sign;
-	      }
-	    }
-	    if (y1 === 0.0) {
-	      if (x1 === 0.0) {
-	        return 0
-	      } else {
-	        return sign
-	      }
-	    }
-	    if (x1 === 0.0) {
-	      return -sign
-	    }
-	  }
-	};
-
-	var RayCrossingCounter = function RayCrossingCounter () {
-	  this._p = null;
-	  this._crossingCount = 0;
-	  this._isPointOnSegment = false;
-	  var p = arguments[0];
-	  this._p = p;
-	};
-	RayCrossingCounter.prototype.countSegment = function countSegment (p1, p2) {
-	  if (p1.x < this._p.x && p2.x < this._p.x) { return null }
-	  if (this._p.x === p2.x && this._p.y === p2.y) {
-	    this._isPointOnSegment = true;
-	    return null
-	  }
-	  if (p1.y === this._p.y && p2.y === this._p.y) {
-	    var minx = p1.x;
-	    var maxx = p2.x;
-	    if (minx > maxx) {
-	      minx = p2.x;
-	      maxx = p1.x;
-	    }
-	    if (this._p.x >= minx && this._p.x <= maxx) {
-	      this._isPointOnSegment = true;
-	    }
-	    return null
-	  }
-	  if ((p1.y > this._p.y && p2.y <= this._p.y) || (p2.y > this._p.y && p1.y <= this._p.y)) {
-	    var x1 = p1.x - this._p.x;
-	    var y1 = p1.y - this._p.y;
-	    var x2 = p2.x - this._p.x;
-	    var y2 = p2.y - this._p.y;
-	    var xIntSign = RobustDeterminant.signOfDet2x2(x1, y1, x2, y2);
-	    if (xIntSign === 0.0) {
-	      this._isPointOnSegment = true;
-	      return null
-	    }
-	    if (y2 < y1) { xIntSign = -xIntSign; }
-	    if (xIntSign > 0.0) {
-	      this._crossingCount++;
-	    }
-	  }
-	};
-	RayCrossingCounter.prototype.isPointInPolygon = function isPointInPolygon () {
-	  return this.getLocation() !== Location.EXTERIOR
-	};
-	RayCrossingCounter.prototype.getLocation = function getLocation () {
-	  if (this._isPointOnSegment) { return Location.BOUNDARY }
-	  if (this._crossingCount % 2 === 1) {
-	    return Location.INTERIOR
-	  }
-	  return Location.EXTERIOR
-	};
-	RayCrossingCounter.prototype.isOnSegment = function isOnSegment () {
-	  return this._isPointOnSegment
-	};
-	RayCrossingCounter.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	RayCrossingCounter.prototype.getClass = function getClass () {
-	  return RayCrossingCounter
-	};
-	RayCrossingCounter.locatePointInRing = function locatePointInRing () {
-	  if (arguments[0] instanceof Coordinate && hasInterface(arguments[1], CoordinateSequence)) {
-	    var p = arguments[0];
-	    var ring = arguments[1];
-	    var counter = new RayCrossingCounter(p);
-	    var p1 = new Coordinate();
-	    var p2 = new Coordinate();
-	    for (var i = 1; i < ring.size(); i++) {
-	      ring.getCoordinate(i, p1);
-	      ring.getCoordinate(i - 1, p2);
-	      counter.countSegment(p1, p2);
-	      if (counter.isOnSegment()) { return counter.getLocation() }
-	    }
-	    return counter.getLocation()
-	  } else if (arguments[0] instanceof Coordinate && arguments[1] instanceof Array) {
-	    var p$1 = arguments[0];
-	    var ring$1 = arguments[1];
-	    var counter$1 = new RayCrossingCounter(p$1);
-	    for (var i$1 = 1; i$1 < ring$1.length; i$1++) {
-	      var p1$1 = ring$1[i$1];
-	      var p2$1 = ring$1[i$1 - 1];
-	      counter$1.countSegment(p1$1, p2$1);
-	      if (counter$1.isOnSegment()) { return counter$1.getLocation() }
-	    }
-	    return counter$1.getLocation()
-	  }
-	};
-
-	var CGAlgorithms = function CGAlgorithms () {};
-
-	var staticAccessors$3 = { CLOCKWISE: { configurable: true },RIGHT: { configurable: true },COUNTERCLOCKWISE: { configurable: true },LEFT: { configurable: true },COLLINEAR: { configurable: true },STRAIGHT: { configurable: true } };
-
-	CGAlgorithms.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CGAlgorithms.prototype.getClass = function getClass () {
-	  return CGAlgorithms
-	};
-	CGAlgorithms.orientationIndex = function orientationIndex (p1, p2, q) {
-	  return CGAlgorithmsDD.orientationIndex(p1, p2, q)
-	};
-	CGAlgorithms.signedArea = function signedArea () {
-	  if (arguments[0] instanceof Array) {
-	    var ring = arguments[0];
-	    if (ring.length < 3) { return 0.0 }
-	    var sum = 0.0;
-	    var x0 = ring[0].x;
-	    for (var i = 1; i < ring.length - 1; i++) {
-	      var x = ring[i].x - x0;
-	      var y1 = ring[i + 1].y;
-	      var y2 = ring[i - 1].y;
-	      sum += x * (y2 - y1);
-	    }
-	    return sum / 2.0
-	  } else if (hasInterface(arguments[0], CoordinateSequence)) {
-	    var ring$1 = arguments[0];
-	    var n = ring$1.size();
-	    if (n < 3) { return 0.0 }
-	    var p0 = new Coordinate();
-	    var p1 = new Coordinate();
-	    var p2 = new Coordinate();
-	    ring$1.getCoordinate(0, p1);
-	    ring$1.getCoordinate(1, p2);
-	    var x0$1 = p1.x;
-	    p2.x -= x0$1;
-	    var sum$1 = 0.0;
-	    for (var i$1 = 1; i$1 < n - 1; i$1++) {
-	      p0.y = p1.y;
-	      p1.x = p2.x;
-	      p1.y = p2.y;
-	      ring$1.getCoordinate(i$1 + 1, p2);
-	      p2.x -= x0$1;
-	      sum$1 += p1.x * (p0.y - p2.y);
-	    }
-	    return sum$1 / 2.0
-	  }
-	};
-	CGAlgorithms.distanceLineLine = function distanceLineLine (A, B, C, D) {
-	  if (A.equals(B)) { return CGAlgorithms.distancePointLine(A, C, D) }
-	  if (C.equals(D)) { return CGAlgorithms.distancePointLine(D, A, B) }
-	  var noIntersection = false;
-	  if (!Envelope.intersects(A, B, C, D)) {
-	    noIntersection = true;
-	  } else {
-	    var denom = (B.x - A.x) * (D.y - C.y) - (B.y - A.y) * (D.x - C.x);
-	    if (denom === 0) {
-	      noIntersection = true;
-	    } else {
-	      var rNumb = (A.y - C.y) * (D.x - C.x) - (A.x - C.x) * (D.y - C.y);
-	      var sNum = (A.y - C.y) * (B.x - A.x) - (A.x - C.x) * (B.y - A.y);
-	      var s = sNum / denom;
-	      var r = rNumb / denom;
-	      if (r < 0 || r > 1 || s < 0 || s > 1) {
-	        noIntersection = true;
-	      }
-	    }
-	  }
-	  if (noIntersection) {
-	    return MathUtil.min(CGAlgorithms.distancePointLine(A, C, D), CGAlgorithms.distancePointLine(B, C, D), CGAlgorithms.distancePointLine(C, A, B), CGAlgorithms.distancePointLine(D, A, B))
-	  }
-	  return 0.0
-	};
-	CGAlgorithms.isPointInRing = function isPointInRing (p, ring) {
-	  return CGAlgorithms.locatePointInRing(p, ring) !== Location.EXTERIOR
-	};
-	CGAlgorithms.computeLength = function computeLength (pts) {
-	  var n = pts.size();
-	  if (n <= 1) { return 0.0 }
-	  var len = 0.0;
-	  var p = new Coordinate();
-	  pts.getCoordinate(0, p);
-	  var x0 = p.x;
-	  var y0 = p.y;
-	  for (var i = 1; i < n; i++) {
-	    pts.getCoordinate(i, p);
-	    var x1 = p.x;
-	    var y1 = p.y;
-	    var dx = x1 - x0;
-	    var dy = y1 - y0;
-	    len += Math.sqrt(dx * dx + dy * dy);
-	    x0 = x1;
-	    y0 = y1;
-	  }
-	  return len
-	};
-	CGAlgorithms.isCCW = function isCCW (ring) {
-	  var nPts = ring.length - 1;
-	  if (nPts < 3) { throw new IllegalArgumentException('Ring has fewer than 4 points, so orientation cannot be determined') }
-	  var hiPt = ring[0];
-	  var hiIndex = 0;
-	  for (var i = 1; i <= nPts; i++) {
-	    var p = ring[i];
-	    if (p.y > hiPt.y) {
-	      hiPt = p;
-	      hiIndex = i;
-	    }
-	  }
-	  var iPrev = hiIndex;
-	  do {
-	    iPrev = iPrev - 1;
-	    if (iPrev < 0) { iPrev = nPts; }
-	  } while (ring[iPrev].equals2D(hiPt) && iPrev !== hiIndex)
-	  var iNext = hiIndex;
-	  do {
-	    iNext = (iNext + 1) % nPts;
-	  } while (ring[iNext].equals2D(hiPt) && iNext !== hiIndex)
-	  var prev = ring[iPrev];
-	  var next = ring[iNext];
-	  if (prev.equals2D(hiPt) || next.equals2D(hiPt) || prev.equals2D(next)) { return false }
-	  var disc = CGAlgorithms.computeOrientation(prev, hiPt, next);
-	  var isCCW = false;
-	  if (disc === 0) {
-	    isCCW = prev.x > next.x;
-	  } else {
-	    isCCW = disc > 0;
-	  }
-	  return isCCW
-	};
-	CGAlgorithms.locatePointInRing = function locatePointInRing (p, ring) {
-	  return RayCrossingCounter.locatePointInRing(p, ring)
-	};
-	CGAlgorithms.distancePointLinePerpendicular = function distancePointLinePerpendicular (p, A, B) {
-	  var len2 = (B.x - A.x) * (B.x - A.x) + (B.y - A.y) * (B.y - A.y);
-	  var s = ((A.y - p.y) * (B.x - A.x) - (A.x - p.x) * (B.y - A.y)) / len2;
-	  return Math.abs(s) * Math.sqrt(len2)
-	};
-	CGAlgorithms.computeOrientation = function computeOrientation (p1, p2, q) {
-	  return CGAlgorithms.orientationIndex(p1, p2, q)
-	};
-	CGAlgorithms.distancePointLine = function distancePointLine () {
-	  if (arguments.length === 2) {
-	    var p = arguments[0];
-	    var line = arguments[1];
-	    if (line.length === 0) { throw new IllegalArgumentException('Line array must contain at least one vertex') }
-	    var minDistance = p.distance(line[0]);
-	    for (var i = 0; i < line.length - 1; i++) {
-	      var dist = CGAlgorithms.distancePointLine(p, line[i], line[i + 1]);
-	      if (dist < minDistance) {
-	        minDistance = dist;
-	      }
-	    }
-	    return minDistance
-	  } else if (arguments.length === 3) {
-	    var p$1 = arguments[0];
-	    var A = arguments[1];
-	    var B = arguments[2];
-	    if (A.x === B.x && A.y === B.y) { return p$1.distance(A) }
-	    var len2 = (B.x - A.x) * (B.x - A.x) + (B.y - A.y) * (B.y - A.y);
-	    var r = ((p$1.x - A.x) * (B.x - A.x) + (p$1.y - A.y) * (B.y - A.y)) / len2;
-	    if (r <= 0.0) { return p$1.distance(A) }
-	    if (r >= 1.0) { return p$1.distance(B) }
-	    var s = ((A.y - p$1.y) * (B.x - A.x) - (A.x - p$1.x) * (B.y - A.y)) / len2;
-	    return Math.abs(s) * Math.sqrt(len2)
-	  }
-	};
-	CGAlgorithms.isOnLine = function isOnLine (p, pt) {
-	  var lineIntersector = new RobustLineIntersector();
-	  for (var i = 1; i < pt.length; i++) {
-	    var p0 = pt[i - 1];
-	    var p1 = pt[i];
-	    lineIntersector.computeIntersection(p, p0, p1);
-	    if (lineIntersector.hasIntersection()) {
-	      return true
-	    }
-	  }
-	  return false
-	};
-	staticAccessors$3.CLOCKWISE.get = function () { return -1 };
-	staticAccessors$3.RIGHT.get = function () { return CGAlgorithms.CLOCKWISE };
-	staticAccessors$3.COUNTERCLOCKWISE.get = function () { return 1 };
-	staticAccessors$3.LEFT.get = function () { return CGAlgorithms.COUNTERCLOCKWISE };
-	staticAccessors$3.COLLINEAR.get = function () { return 0 };
-	staticAccessors$3.STRAIGHT.get = function () { return CGAlgorithms.COLLINEAR };
-
-	Object.defineProperties( CGAlgorithms, staticAccessors$3 );
-
-	var GeometryComponentFilter = function GeometryComponentFilter () {};
-
-	GeometryComponentFilter.prototype.filter = function filter (geom) {};
-	GeometryComponentFilter.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryComponentFilter.prototype.getClass = function getClass () {
-	  return GeometryComponentFilter
-	};
-
-	var Geometry = function Geometry () {
-	  var factory = arguments[0];
-
-	  this._envelope = null;
-	  this._factory = null;
-	  this._SRID = null;
-	  this._userData = null;
-	  this._factory = factory;
-	  this._SRID = factory.getSRID();
-	};
-
-	var staticAccessors$11 = { serialVersionUID: { configurable: true },SORTINDEX_POINT: { configurable: true },SORTINDEX_MULTIPOINT: { configurable: true },SORTINDEX_LINESTRING: { configurable: true },SORTINDEX_LINEARRING: { configurable: true },SORTINDEX_MULTILINESTRING: { configurable: true },SORTINDEX_POLYGON: { configurable: true },SORTINDEX_MULTIPOLYGON: { configurable: true },SORTINDEX_GEOMETRYCOLLECTION: { configurable: true },geometryChangedFilter: { configurable: true } };
-	Geometry.prototype.isGeometryCollection = function isGeometryCollection () {
-	  return this.getSortIndex() === Geometry.SORTINDEX_GEOMETRYCOLLECTION
-	};
-	Geometry.prototype.getFactory = function getFactory () {
-	  return this._factory
-	};
-	Geometry.prototype.getGeometryN = function getGeometryN (n) {
-	  return this
-	};
-	Geometry.prototype.getArea = function getArea () {
-	  return 0.0
-	};
-	Geometry.prototype.isRectangle = function isRectangle () {
-	  return false
-	};
-	Geometry.prototype.equals = function equals () {
-	  if (arguments[0] instanceof Geometry) {
-	    var g$1 = arguments[0];
-	    if (g$1 === null) { return false }
-	    return this.equalsTopo(g$1)
-	  } else if (arguments[0] instanceof Object) {
-	    var o = arguments[0];
-	    if (!(o instanceof Geometry)) { return false }
-	    var g = o;
-	    return this.equalsExact(g)
-	  }
-	};
-	Geometry.prototype.equalsExact = function equalsExact (other) {
-	  return this === other || this.equalsExact(other, 0)
-	};
-	Geometry.prototype.geometryChanged = function geometryChanged () {
-	  this.apply(Geometry.geometryChangedFilter);
-	};
-	Geometry.prototype.geometryChangedAction = function geometryChangedAction () {
-	  this._envelope = null;
-	};
-	Geometry.prototype.equalsNorm = function equalsNorm (g) {
-	  if (g === null) { return false }
-	  return this.norm().equalsExact(g.norm())
-	};
-	Geometry.prototype.getLength = function getLength () {
-	  return 0.0
-	};
-	Geometry.prototype.getNumGeometries = function getNumGeometries () {
-	  return 1
-	};
-	Geometry.prototype.compareTo = function compareTo () {
-	  if (arguments.length === 1) {
-	    var o = arguments[0];
-	    var other = o;
-	    if (this.getSortIndex() !== other.getSortIndex()) {
-	      return this.getSortIndex() - other.getSortIndex()
-	    }
-	    if (this.isEmpty() && other.isEmpty()) {
-	      return 0
-	    }
-	    if (this.isEmpty()) {
-	      return -1
-	    }
-	    if (other.isEmpty()) {
-	      return 1
-	    }
-	    return this.compareToSameClass(o)
-	  } else if (arguments.length === 2) {
-	    var other$1 = arguments[0];
-	    var comp = arguments[1];
-	    if (this.getSortIndex() !== other$1.getSortIndex()) {
-	      return this.getSortIndex() - other$1.getSortIndex()
-	    }
-	    if (this.isEmpty() && other$1.isEmpty()) {
-	      return 0
-	    }
-	    if (this.isEmpty()) {
-	      return -1
-	    }
-	    if (other$1.isEmpty()) {
-	      return 1
-	    }
-	    return this.compareToSameClass(other$1, comp)
-	  }
-	};
-	Geometry.prototype.getUserData = function getUserData () {
-	  return this._userData
-	};
-	Geometry.prototype.getSRID = function getSRID () {
-	  return this._SRID
-	};
-	Geometry.prototype.getEnvelope = function getEnvelope () {
-	  return this.getFactory().toGeometry(this.getEnvelopeInternal())
-	};
-	Geometry.prototype.checkNotGeometryCollection = function checkNotGeometryCollection (g) {
-	  if (g.getSortIndex() === Geometry.SORTINDEX_GEOMETRYCOLLECTION) {
-	    throw new IllegalArgumentException('This method does not support GeometryCollection arguments')
-	  }
-	};
-	Geometry.prototype.equal = function equal (a, b, tolerance) {
-	  if (tolerance === 0) {
-	    return a.equals(b)
-	  }
-	  return a.distance(b) <= tolerance
-	};
-	Geometry.prototype.norm = function norm () {
-	  var copy = this.copy();
-	  copy.normalize();
-	  return copy
-	};
-	Geometry.prototype.getPrecisionModel = function getPrecisionModel () {
-	  return this._factory.getPrecisionModel()
-	};
-	Geometry.prototype.getEnvelopeInternal = function getEnvelopeInternal () {
-	  if (this._envelope === null) {
-	    this._envelope = this.computeEnvelopeInternal();
-	  }
-	  return new Envelope(this._envelope)
-	};
-	Geometry.prototype.setSRID = function setSRID (SRID) {
-	  this._SRID = SRID;
-	};
-	Geometry.prototype.setUserData = function setUserData (userData) {
-	  this._userData = userData;
-	};
-	Geometry.prototype.compare = function compare (a, b) {
-	  var i = a.iterator();
-	  var j = b.iterator();
-	  while (i.hasNext() && j.hasNext()) {
-	    var aElement = i.next();
-	    var bElement = j.next();
-	    var comparison = aElement.compareTo(bElement);
-	    if (comparison !== 0) {
-	      return comparison
-	    }
-	  }
-	  if (i.hasNext()) {
-	    return 1
-	  }
-	  if (j.hasNext()) {
-	    return -1
-	  }
-	  return 0
-	};
-	Geometry.prototype.hashCode = function hashCode () {
-	  return this.getEnvelopeInternal().hashCode()
-	};
-	Geometry.prototype.isGeometryCollectionOrDerived = function isGeometryCollectionOrDerived () {
-	  if (this.getSortIndex() === Geometry.SORTINDEX_GEOMETRYCOLLECTION || this.getSortIndex() === Geometry.SORTINDEX_MULTIPOINT || this.getSortIndex() === Geometry.SORTINDEX_MULTILINESTRING || this.getSortIndex() === Geometry.SORTINDEX_MULTIPOLYGON) {
-	    return true
-	  }
-	  return false
-	};
-	Geometry.prototype.interfaces_ = function interfaces_ () {
-	  return [Clonable, Comparable, Serializable]
-	};
-	Geometry.prototype.getClass = function getClass () {
-	  return Geometry
-	};
-	Geometry.hasNonEmptyElements = function hasNonEmptyElements (geometries) {
-	  for (var i = 0; i < geometries.length; i++) {
-	    if (!geometries[i].isEmpty()) {
-	      return true
-	    }
-	  }
-	  return false
-	};
-	Geometry.hasNullElements = function hasNullElements (array) {
-	  for (var i = 0; i < array.length; i++) {
-	    if (array[i] === null) {
-	      return true
-	    }
-	  }
-	  return false
-	};
-	staticAccessors$11.serialVersionUID.get = function () { return 8763622679187376702 };
-	staticAccessors$11.SORTINDEX_POINT.get = function () { return 0 };
-	staticAccessors$11.SORTINDEX_MULTIPOINT.get = function () { return 1 };
-	staticAccessors$11.SORTINDEX_LINESTRING.get = function () { return 2 };
-	staticAccessors$11.SORTINDEX_LINEARRING.get = function () { return 3 };
-	staticAccessors$11.SORTINDEX_MULTILINESTRING.get = function () { return 4 };
-	staticAccessors$11.SORTINDEX_POLYGON.get = function () { return 5 };
-	staticAccessors$11.SORTINDEX_MULTIPOLYGON.get = function () { return 6 };
-	staticAccessors$11.SORTINDEX_GEOMETRYCOLLECTION.get = function () { return 7 };
-	staticAccessors$11.geometryChangedFilter.get = function () { return geometryChangedFilter };
-
-	Object.defineProperties( Geometry, staticAccessors$11 );
-
-	var geometryChangedFilter = function geometryChangedFilter () {};
-
-	geometryChangedFilter.interfaces_ = function interfaces_ () {
-	  return [GeometryComponentFilter]
-	};
-	geometryChangedFilter.filter = function filter (geom) {
-	  geom.geometryChangedAction();
-	};
-
-	var CoordinateFilter = function CoordinateFilter () {};
-
-	CoordinateFilter.prototype.filter = function filter (coord) {};
-	CoordinateFilter.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CoordinateFilter.prototype.getClass = function getClass () {
-	  return CoordinateFilter
-	};
-
-	var BoundaryNodeRule = function BoundaryNodeRule () {};
-
-	var staticAccessors$12 = { Mod2BoundaryNodeRule: { configurable: true },EndPointBoundaryNodeRule: { configurable: true },MultiValentEndPointBoundaryNodeRule: { configurable: true },MonoValentEndPointBoundaryNodeRule: { configurable: true },MOD2_BOUNDARY_RULE: { configurable: true },ENDPOINT_BOUNDARY_RULE: { configurable: true },MULTIVALENT_ENDPOINT_BOUNDARY_RULE: { configurable: true },MONOVALENT_ENDPOINT_BOUNDARY_RULE: { configurable: true },OGC_SFS_BOUNDARY_RULE: { configurable: true } };
-
-	BoundaryNodeRule.prototype.isInBoundary = function isInBoundary (boundaryCount) {};
-	BoundaryNodeRule.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BoundaryNodeRule.prototype.getClass = function getClass () {
-	  return BoundaryNodeRule
-	};
-	staticAccessors$12.Mod2BoundaryNodeRule.get = function () { return Mod2BoundaryNodeRule };
-	staticAccessors$12.EndPointBoundaryNodeRule.get = function () { return EndPointBoundaryNodeRule };
-	staticAccessors$12.MultiValentEndPointBoundaryNodeRule.get = function () { return MultiValentEndPointBoundaryNodeRule };
-	staticAccessors$12.MonoValentEndPointBoundaryNodeRule.get = function () { return MonoValentEndPointBoundaryNodeRule };
-	staticAccessors$12.MOD2_BOUNDARY_RULE.get = function () { return new Mod2BoundaryNodeRule() };
-	staticAccessors$12.ENDPOINT_BOUNDARY_RULE.get = function () { return new EndPointBoundaryNodeRule() };
-	staticAccessors$12.MULTIVALENT_ENDPOINT_BOUNDARY_RULE.get = function () { return new MultiValentEndPointBoundaryNodeRule() };
-	staticAccessors$12.MONOVALENT_ENDPOINT_BOUNDARY_RULE.get = function () { return new MonoValentEndPointBoundaryNodeRule() };
-	staticAccessors$12.OGC_SFS_BOUNDARY_RULE.get = function () { return BoundaryNodeRule.MOD2_BOUNDARY_RULE };
-
-	Object.defineProperties( BoundaryNodeRule, staticAccessors$12 );
-
-	var Mod2BoundaryNodeRule = function Mod2BoundaryNodeRule () {};
-
-	Mod2BoundaryNodeRule.prototype.isInBoundary = function isInBoundary (boundaryCount) {
-	  return boundaryCount % 2 === 1
-	};
-	Mod2BoundaryNodeRule.prototype.interfaces_ = function interfaces_ () {
-	  return [BoundaryNodeRule]
-	};
-	Mod2BoundaryNodeRule.prototype.getClass = function getClass () {
-	  return Mod2BoundaryNodeRule
-	};
-
-	var EndPointBoundaryNodeRule = function EndPointBoundaryNodeRule () {};
-
-	EndPointBoundaryNodeRule.prototype.isInBoundary = function isInBoundary (boundaryCount) {
-	  return boundaryCount > 0
-	};
-	EndPointBoundaryNodeRule.prototype.interfaces_ = function interfaces_ () {
-	  return [BoundaryNodeRule]
-	};
-	EndPointBoundaryNodeRule.prototype.getClass = function getClass () {
-	  return EndPointBoundaryNodeRule
-	};
-
-	var MultiValentEndPointBoundaryNodeRule = function MultiValentEndPointBoundaryNodeRule () {};
-
-	MultiValentEndPointBoundaryNodeRule.prototype.isInBoundary = function isInBoundary (boundaryCount) {
-	  return boundaryCount > 1
-	};
-	MultiValentEndPointBoundaryNodeRule.prototype.interfaces_ = function interfaces_ () {
-	  return [BoundaryNodeRule]
-	};
-	MultiValentEndPointBoundaryNodeRule.prototype.getClass = function getClass () {
-	  return MultiValentEndPointBoundaryNodeRule
-	};
-
-	var MonoValentEndPointBoundaryNodeRule = function MonoValentEndPointBoundaryNodeRule () {};
-
-	MonoValentEndPointBoundaryNodeRule.prototype.isInBoundary = function isInBoundary (boundaryCount) {
-	  return boundaryCount === 1
-	};
-	MonoValentEndPointBoundaryNodeRule.prototype.interfaces_ = function interfaces_ () {
-	  return [BoundaryNodeRule]
-	};
-	MonoValentEndPointBoundaryNodeRule.prototype.getClass = function getClass () {
-	  return MonoValentEndPointBoundaryNodeRule
-	};
-
-	// import Iterator from './Iterator'
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/Collection.html
-	 *
-	 * @constructor
-	 * @private
-	 */
-	var Collection = function Collection () {};
-
-	Collection.prototype.add = function add () {};
-
-	/**
-	 * Appends all of the elements in the specified collection to the end of this
-	 * list, in the order that they are returned by the specified collection's
-	 * iterator (optional operation).
-	 * @param {javascript.util.Collection} c
-	 * @return {boolean}
-	 */
-	Collection.prototype.addAll = function addAll () {};
-
-	/**
-	 * Returns true if this collection contains no elements.
-	 * @return {boolean}
-	 */
-	Collection.prototype.isEmpty = function isEmpty () {};
-
-	/**
-	 * Returns an iterator over the elements in this collection.
-	 * @return {javascript.util.Iterator}
-	 */
-	Collection.prototype.iterator = function iterator () {};
-
-	/**
-	 * Returns an iterator over the elements in this collection.
-	 * @return {number}
-	 */
-	Collection.prototype.size = function size () {};
-
-	/**
-	 * Returns an array containing all of the elements in this collection.
-	 * @return {Array}
-	 */
-	Collection.prototype.toArray = function toArray () {};
-
-	/**
-	 * Removes a single instance of the specified element from this collection if it
-	 * is present. (optional)
-	 * @param {Object} e
-	 * @return {boolean}
-	 */
-	Collection.prototype.remove = function remove () {};
-
-	/**
-	 * @param {string=} message Optional message
-	 * @extends {Error}
-	 * @constructor
-	 * @private
-	 */
-	function IndexOutOfBoundsException (message) {
-	  this.message = message || '';
-	}
-	IndexOutOfBoundsException.prototype = new Error();
-
-	/**
-	 * @type {string}
-	 */
-	IndexOutOfBoundsException.prototype.name = 'IndexOutOfBoundsException';
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/Iterator.html
-	 * @constructor
-	 * @private
-	 */
-	var Iterator$1 = function Iterator () {};
-
-	Iterator$1.prototype.hasNext = function hasNext () {};
-
-	/**
-	 * Returns the next element in the iteration.
-	 * @return {Object}
-	 */
-	Iterator$1.prototype.next = function next () {};
-
-	/**
-	 * Removes from the underlying collection the last element returned by the
-	 * iterator (optional operation).
-	 */
-	Iterator$1.prototype.remove = function remove () {};
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/List.html
-	 *
-	 * @extends {javascript.util.Collection}
-	 * @constructor
-	 * @private
-	 */
-	var List = (function (Collection$$1) {
-	  function List () {
-	    Collection$$1.apply(this, arguments);
-	  }
-
-	  if ( Collection$$1 ) List.__proto__ = Collection$$1;
-	  List.prototype = Object.create( Collection$$1 && Collection$$1.prototype );
-	  List.prototype.constructor = List;
-
-	  List.prototype.get = function get () { };
-
-	  /**
-	   * Replaces the element at the specified position in this list with the
-	   * specified element (optional operation).
-	   * @param {number} index
-	   * @param {Object} e
-	   * @return {Object}
-	   */
-	  List.prototype.set = function set () { };
-
-	  /**
-	   * Returns true if this collection contains no elements.
-	   * @return {boolean}
-	   */
-	  List.prototype.isEmpty = function isEmpty () { };
-
-	  return List;
-	}(Collection));
-
-	/**
-	 * @param {string=} message Optional message
-	 * @extends {Error}
-	 * @constructor
-	 * @private
-	 */
-	function NoSuchElementException (message) {
-	  this.message = message || '';
-	}
-	NoSuchElementException.prototype = new Error();
-
-	/**
-	 * @type {string}
-	 */
-	NoSuchElementException.prototype.name = 'NoSuchElementException';
-
-	// import OperationNotSupported from './OperationNotSupported'
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/ArrayList.html
-	 *
-	 * @extends List
-	 * @private
-	 */
-	var ArrayList = (function (List$$1) {
-	  function ArrayList () {
-	    List$$1.call(this);
-	    this.array_ = [];
-
-	    if (arguments[0] instanceof Collection) {
-	      this.addAll(arguments[0]);
-	    }
-	  }
-
-	  if ( List$$1 ) ArrayList.__proto__ = List$$1;
-	  ArrayList.prototype = Object.create( List$$1 && List$$1.prototype );
-	  ArrayList.prototype.constructor = ArrayList;
-
-	  ArrayList.prototype.ensureCapacity = function ensureCapacity () {};
-	  ArrayList.prototype.interfaces_ = function interfaces_ () { return [List$$1, Collection] };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.add = function add (e) {
-	    if (arguments.length === 1) {
-	      this.array_.push(e);
-	    } else {
-	      this.array_.splice(arguments[0], arguments[1]);
-	    }
-	    return true
-	  };
-
-	  ArrayList.prototype.clear = function clear () {
-	    this.array_ = [];
-	  };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.addAll = function addAll (c) {
-	    var this$1 = this;
-
-	    for (var i = c.iterator(); i.hasNext();) {
-	      this$1.add(i.next());
-	    }
-	    return true
-	  };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.set = function set (index, element) {
-	    var oldElement = this.array_[index];
-	    this.array_[index] = element;
-	    return oldElement
-	  };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.iterator = function iterator () {
-	    return new Iterator_(this)
-	  };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.get = function get (index) {
-	    if (index < 0 || index >= this.size()) {
-	      throw new IndexOutOfBoundsException()
-	    }
-
-	    return this.array_[index]
-	  };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.isEmpty = function isEmpty () {
-	    return this.array_.length === 0
-	  };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.size = function size () {
-	    return this.array_.length
-	  };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.toArray = function toArray () {
-	    var this$1 = this;
-
-	    var array = [];
-
-	    for (var i = 0, len = this.array_.length; i < len; i++) {
-	      array.push(this$1.array_[i]);
-	    }
-
-	    return array
-	  };
-
-	  /**
-	   * @override
-	   */
-	  ArrayList.prototype.remove = function remove (o) {
-	    var this$1 = this;
-
-	    var found = false;
-
-	    for (var i = 0, len = this.array_.length; i < len; i++) {
-	      if (this$1.array_[i] === o) {
-	        this$1.array_.splice(i, 1);
-	        found = true;
-	        break
-	      }
-	    }
-
-	    return found
-	  };
-
-	  return ArrayList;
-	}(List));
-
-	/**
-	 * @extends {Iterator}
-	 * @param {ArrayList} arrayList
-	 * @constructor
-	 * @private
-	 */
-	var Iterator_ = (function (Iterator$$1) {
-	  function Iterator_ (arrayList) {
-	    Iterator$$1.call(this);
-	    /**
-	     * @type {ArrayList}
-	     * @private
-	    */
-	    this.arrayList_ = arrayList;
-	    /**
-	     * @type {number}
-	     * @private
-	    */
-	    this.position_ = 0;
-	  }
-
-	  if ( Iterator$$1 ) Iterator_.__proto__ = Iterator$$1;
-	  Iterator_.prototype = Object.create( Iterator$$1 && Iterator$$1.prototype );
-	  Iterator_.prototype.constructor = Iterator_;
-
-	  /**
-	   * @override
-	   */
-	  Iterator_.prototype.next = function next () {
-	    if (this.position_ === this.arrayList_.size()) {
-	      throw new NoSuchElementException()
-	    }
-	    return this.arrayList_.get(this.position_++)
-	  };
-
-	  /**
-	   * @override
-	   */
-	  Iterator_.prototype.hasNext = function hasNext () {
-	    if (this.position_ < this.arrayList_.size()) {
-	      return true
-	    } else {
-	      return false
-	    }
-	  };
-
-	  /**
-	   * TODO: should be in ListIterator
-	   * @override
-	   */
-	  Iterator_.prototype.set = function set (element) {
-	    return this.arrayList_.set(this.position_ - 1, element)
-	  };
-
-	  /**
-	   * @override
-	   */
-	  Iterator_.prototype.remove = function remove () {
-	    this.arrayList_.remove(this.arrayList_.get(this.position_));
-	  };
-
-	  return Iterator_;
-	}(Iterator$1));
-
-	var CoordinateList = (function (ArrayList$$1) {
-	  function CoordinateList () {
-	    ArrayList$$1.call(this);
-	    if (arguments.length === 0) ; else if (arguments.length === 1) {
-	      var coord = arguments[0];
-	      this.ensureCapacity(coord.length);
-	      this.add(coord, true);
-	    } else if (arguments.length === 2) {
-	      var coord$1 = arguments[0];
-	      var allowRepeated = arguments[1];
-	      this.ensureCapacity(coord$1.length);
-	      this.add(coord$1, allowRepeated);
-	    }
-	  }
-
-	  if ( ArrayList$$1 ) CoordinateList.__proto__ = ArrayList$$1;
-	  CoordinateList.prototype = Object.create( ArrayList$$1 && ArrayList$$1.prototype );
-	  CoordinateList.prototype.constructor = CoordinateList;
-
-	  var staticAccessors = { coordArrayType: { configurable: true } };
-	  staticAccessors.coordArrayType.get = function () { return new Array(0).fill(null) };
-	  CoordinateList.prototype.getCoordinate = function getCoordinate (i) {
-	    return this.get(i)
-	  };
-	  CoordinateList.prototype.addAll = function addAll () {
-	    var this$1 = this;
-
-	    if (arguments.length === 2) {
-	      var coll = arguments[0];
-	      var allowRepeated = arguments[1];
-	      var isChanged = false;
-	      for (var i = coll.iterator(); i.hasNext();) {
-	        this$1.add(i.next(), allowRepeated);
-	        isChanged = true;
-	      }
-	      return isChanged
-	    } else { return ArrayList$$1.prototype.addAll.apply(this, arguments) }
-	  };
-	  CoordinateList.prototype.clone = function clone () {
-	    var this$1 = this;
-
-	    var clone = ArrayList$$1.prototype.clone.call(this);
-	    for (var i = 0; i < this.size(); i++) {
-	      clone.add(i, this$1.get(i).copy());
-	    }
-	    return clone
-	  };
-	  CoordinateList.prototype.toCoordinateArray = function toCoordinateArray () {
-	    return this.toArray(CoordinateList.coordArrayType)
-	  };
-	  CoordinateList.prototype.add = function add () {
-	    var this$1 = this;
-
-	    if (arguments.length === 1) {
-	      var coord = arguments[0];
-	      ArrayList$$1.prototype.add.call(this, coord);
-	    } else if (arguments.length === 2) {
-	      if (arguments[0] instanceof Array && typeof arguments[1] === 'boolean') {
-	        var coord$1 = arguments[0];
-	        var allowRepeated = arguments[1];
-	        this.add(coord$1, allowRepeated, true);
-	        return true
-	      } else if (arguments[0] instanceof Coordinate && typeof arguments[1] === 'boolean') {
-	        var coord$2 = arguments[0];
-	        var allowRepeated$1 = arguments[1];
-	        if (!allowRepeated$1) {
-	          if (this.size() >= 1) {
-	            var last = this.get(this.size() - 1);
-	            if (last.equals2D(coord$2)) { return null }
-	          }
-	        }
-	        ArrayList$$1.prototype.add.call(this, coord$2);
-	      } else if (arguments[0] instanceof Object && typeof arguments[1] === 'boolean') {
-	        var obj = arguments[0];
-	        var allowRepeated$2 = arguments[1];
-	        this.add(obj, allowRepeated$2);
-	        return true
-	      }
-	    } else if (arguments.length === 3) {
-	      if (typeof arguments[2] === 'boolean' && (arguments[0] instanceof Array && typeof arguments[1] === 'boolean')) {
-	        var coord$3 = arguments[0];
-	        var allowRepeated$3 = arguments[1];
-	        var direction = arguments[2];
-	        if (direction) {
-	          for (var i$1 = 0; i$1 < coord$3.length; i$1++) {
-	            this$1.add(coord$3[i$1], allowRepeated$3);
-	          }
-	        } else {
-	          for (var i$2 = coord$3.length - 1; i$2 >= 0; i$2--) {
-	            this$1.add(coord$3[i$2], allowRepeated$3);
-	          }
-	        }
-	        return true
-	      } else if (typeof arguments[2] === 'boolean' && (Number.isInteger(arguments[0]) && arguments[1] instanceof Coordinate)) {
-	        var i$3 = arguments[0];
-	        var coord$4 = arguments[1];
-	        var allowRepeated$4 = arguments[2];
-	        if (!allowRepeated$4) {
-	          var size = this.size();
-	          if (size > 0) {
-	            if (i$3 > 0) {
-	              var prev = this.get(i$3 - 1);
-	              if (prev.equals2D(coord$4)) { return null }
-	            }
-	            if (i$3 < size) {
-	              var next = this.get(i$3);
-	              if (next.equals2D(coord$4)) { return null }
-	            }
-	          }
-	        }
-	        ArrayList$$1.prototype.add.call(this, i$3, coord$4);
-	      }
-	    } else if (arguments.length === 4) {
-	      var coord$5 = arguments[0];
-	      var allowRepeated$5 = arguments[1];
-	      var start = arguments[2];
-	      var end = arguments[3];
-	      var inc = 1;
-	      if (start > end) { inc = -1; }
-	      for (var i = start; i !== end; i += inc) {
-	        this$1.add(coord$5[i], allowRepeated$5);
-	      }
-	      return true
-	    }
-	  };
-	  CoordinateList.prototype.closeRing = function closeRing () {
-	    if (this.size() > 0) { this.add(new Coordinate(this.get(0)), false); }
-	  };
-	  CoordinateList.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  CoordinateList.prototype.getClass = function getClass () {
-	    return CoordinateList
-	  };
-
-	  Object.defineProperties( CoordinateList, staticAccessors );
-
-	  return CoordinateList;
-	}(ArrayList));
-
-	var CoordinateArrays = function CoordinateArrays () {};
-
-	var staticAccessors$13 = { ForwardComparator: { configurable: true },BidirectionalComparator: { configurable: true },coordArrayType: { configurable: true } };
-
-	staticAccessors$13.ForwardComparator.get = function () { return ForwardComparator };
-	staticAccessors$13.BidirectionalComparator.get = function () { return BidirectionalComparator };
-	staticAccessors$13.coordArrayType.get = function () { return new Array(0).fill(null) };
-
-	CoordinateArrays.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CoordinateArrays.prototype.getClass = function getClass () {
-	  return CoordinateArrays
-	};
-	CoordinateArrays.isRing = function isRing (pts) {
-	  if (pts.length < 4) { return false }
-	  if (!pts[0].equals2D(pts[pts.length - 1])) { return false }
-	  return true
-	};
-	CoordinateArrays.ptNotInList = function ptNotInList (testPts, pts) {
-	  for (var i = 0; i < testPts.length; i++) {
-	    var testPt = testPts[i];
-	    if (CoordinateArrays.indexOf(testPt, pts) < 0) { return testPt }
-	  }
-	  return null
-	};
-	CoordinateArrays.scroll = function scroll (coordinates, firstCoordinate) {
-	  var i = CoordinateArrays.indexOf(firstCoordinate, coordinates);
-	  if (i < 0) { return null }
-	  var newCoordinates = new Array(coordinates.length).fill(null);
-	  System.arraycopy(coordinates, i, newCoordinates, 0, coordinates.length - i);
-	  System.arraycopy(coordinates, 0, newCoordinates, coordinates.length - i, i);
-	  System.arraycopy(newCoordinates, 0, coordinates, 0, coordinates.length);
-	};
-	CoordinateArrays.equals = function equals () {
-	  if (arguments.length === 2) {
-	    var coord1 = arguments[0];
-	    var coord2 = arguments[1];
-	    if (coord1 === coord2) { return true }
-	    if (coord1 === null || coord2 === null) { return false }
-	    if (coord1.length !== coord2.length) { return false }
-	    for (var i = 0; i < coord1.length; i++) {
-	      if (!coord1[i].equals(coord2[i])) { return false }
-	    }
-	    return true
-	  } else if (arguments.length === 3) {
-	    var coord1$1 = arguments[0];
-	    var coord2$1 = arguments[1];
-	    var coordinateComparator = arguments[2];
-	    if (coord1$1 === coord2$1) { return true }
-	    if (coord1$1 === null || coord2$1 === null) { return false }
-	    if (coord1$1.length !== coord2$1.length) { return false }
-	    for (var i$1 = 0; i$1 < coord1$1.length; i$1++) {
-	      if (coordinateComparator.compare(coord1$1[i$1], coord2$1[i$1]) !== 0) { return false }
-	    }
-	    return true
-	  }
-	};
-	CoordinateArrays.intersection = function intersection (coordinates, env) {
-	  var coordList = new CoordinateList();
-	  for (var i = 0; i < coordinates.length; i++) {
-	    if (env.intersects(coordinates[i])) { coordList.add(coordinates[i], true); }
-	  }
-	  return coordList.toCoordinateArray()
-	};
-	CoordinateArrays.hasRepeatedPoints = function hasRepeatedPoints (coord) {
-	  for (var i = 1; i < coord.length; i++) {
-	    if (coord[i - 1].equals(coord[i])) {
-	      return true
-	    }
-	  }
-	  return false
-	};
-	CoordinateArrays.removeRepeatedPoints = function removeRepeatedPoints (coord) {
-	  if (!CoordinateArrays.hasRepeatedPoints(coord)) { return coord }
-	  var coordList = new CoordinateList(coord, false);
-	  return coordList.toCoordinateArray()
-	};
-	CoordinateArrays.reverse = function reverse (coord) {
-	  var last = coord.length - 1;
-	  var mid = Math.trunc(last / 2);
-	  for (var i = 0; i <= mid; i++) {
-	    var tmp = coord[i];
-	    coord[i] = coord[last - i];
-	    coord[last - i] = tmp;
-	  }
-	};
-	CoordinateArrays.removeNull = function removeNull (coord) {
-	  var nonNull = 0;
-	  for (var i = 0; i < coord.length; i++) {
-	    if (coord[i] !== null) { nonNull++; }
-	  }
-	  var newCoord = new Array(nonNull).fill(null);
-	  if (nonNull === 0) { return newCoord }
-	  var j = 0;
-	  for (var i$1 = 0; i$1 < coord.length; i$1++) {
-	    if (coord[i$1] !== null) { newCoord[j++] = coord[i$1]; }
-	  }
-	  return newCoord
-	};
-	CoordinateArrays.copyDeep = function copyDeep () {
-	  if (arguments.length === 1) {
-	    var coordinates = arguments[0];
-	    var copy = new Array(coordinates.length).fill(null);
-	    for (var i = 0; i < coordinates.length; i++) {
-	      copy[i] = new Coordinate(coordinates[i]);
-	    }
-	    return copy
-	  } else if (arguments.length === 5) {
-	    var src = arguments[0];
-	    var srcStart = arguments[1];
-	    var dest = arguments[2];
-	    var destStart = arguments[3];
-	    var length = arguments[4];
-	    for (var i$1 = 0; i$1 < length; i$1++) {
-	      dest[destStart + i$1] = new Coordinate(src[srcStart + i$1]);
-	    }
-	  }
-	};
-	CoordinateArrays.isEqualReversed = function isEqualReversed (pts1, pts2) {
-	  for (var i = 0; i < pts1.length; i++) {
-	    var p1 = pts1[i];
-	    var p2 = pts2[pts1.length - i - 1];
-	    if (p1.compareTo(p2) !== 0) { return false }
-	  }
-	  return true
-	};
-	CoordinateArrays.envelope = function envelope (coordinates) {
-	  var env = new Envelope();
-	  for (var i = 0; i < coordinates.length; i++) {
-	    env.expandToInclude(coordinates[i]);
-	  }
-	  return env
-	};
-	CoordinateArrays.toCoordinateArray = function toCoordinateArray (coordList) {
-	  return coordList.toArray(CoordinateArrays.coordArrayType)
-	};
-	CoordinateArrays.atLeastNCoordinatesOrNothing = function atLeastNCoordinatesOrNothing (n, c) {
-	  return c.length >= n ? c : []
-	};
-	CoordinateArrays.indexOf = function indexOf (coordinate, coordinates) {
-	  for (var i = 0; i < coordinates.length; i++) {
-	    if (coordinate.equals(coordinates[i])) {
-	      return i
-	    }
-	  }
-	  return -1
-	};
-	CoordinateArrays.increasingDirection = function increasingDirection (pts) {
-	  for (var i = 0; i < Math.trunc(pts.length / 2); i++) {
-	    var j = pts.length - 1 - i;
-	    var comp = pts[i].compareTo(pts[j]);
-	    if (comp !== 0) { return comp }
-	  }
-	  return 1
-	};
-	CoordinateArrays.compare = function compare (pts1, pts2) {
-	  var i = 0;
-	  while (i < pts1.length && i < pts2.length) {
-	    var compare = pts1[i].compareTo(pts2[i]);
-	    if (compare !== 0) { return compare }
-	    i++;
-	  }
-	  if (i < pts2.length) { return -1 }
-	  if (i < pts1.length) { return 1 }
-	  return 0
-	};
-	CoordinateArrays.minCoordinate = function minCoordinate (coordinates) {
-	  var minCoord = null;
-	  for (var i = 0; i < coordinates.length; i++) {
-	    if (minCoord === null || minCoord.compareTo(coordinates[i]) > 0) {
-	      minCoord = coordinates[i];
-	    }
-	  }
-	  return minCoord
-	};
-	CoordinateArrays.extract = function extract (pts, start, end) {
-	  start = MathUtil.clamp(start, 0, pts.length);
-	  end = MathUtil.clamp(end, -1, pts.length);
-	  var npts = end - start + 1;
-	  if (end < 0) { npts = 0; }
-	  if (start >= pts.length) { npts = 0; }
-	  if (end < start) { npts = 0; }
-	  var extractPts = new Array(npts).fill(null);
-	  if (npts === 0) { return extractPts }
-	  var iPts = 0;
-	  for (var i = start; i <= end; i++) {
-	    extractPts[iPts++] = pts[i];
-	  }
-	  return extractPts
-	};
-
-	Object.defineProperties( CoordinateArrays, staticAccessors$13 );
-
-	var ForwardComparator = function ForwardComparator () {};
-
-	ForwardComparator.prototype.compare = function compare (o1, o2) {
-	  var pts1 = o1;
-	  var pts2 = o2;
-	  return CoordinateArrays.compare(pts1, pts2)
-	};
-	ForwardComparator.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparator]
-	};
-	ForwardComparator.prototype.getClass = function getClass () {
-	  return ForwardComparator
-	};
-
-	var BidirectionalComparator = function BidirectionalComparator () {};
-
-	BidirectionalComparator.prototype.compare = function compare (o1, o2) {
-	  var pts1 = o1;
-	  var pts2 = o2;
-	  if (pts1.length < pts2.length) { return -1 }
-	  if (pts1.length > pts2.length) { return 1 }
-	  if (pts1.length === 0) { return 0 }
-	  var forwardComp = CoordinateArrays.compare(pts1, pts2);
-	  var isEqualRev = CoordinateArrays.isEqualReversed(pts1, pts2);
-	  if (isEqualRev) { return 0 }
-	  return forwardComp
-	};
-	BidirectionalComparator.prototype.OLDcompare = function OLDcompare (o1, o2) {
-	  var pts1 = o1;
-	  var pts2 = o2;
-	  if (pts1.length < pts2.length) { return -1 }
-	  if (pts1.length > pts2.length) { return 1 }
-	  if (pts1.length === 0) { return 0 }
-	  var dir1 = CoordinateArrays.increasingDirection(pts1);
-	  var dir2 = CoordinateArrays.increasingDirection(pts2);
-	  var i1 = dir1 > 0 ? 0 : pts1.length - 1;
-	  var i2 = dir2 > 0 ? 0 : pts1.length - 1;
-	  for (var i = 0; i < pts1.length; i++) {
-	    var comparePt = pts1[i1].compareTo(pts2[i2]);
-	    if (comparePt !== 0) { return comparePt }
-	    i1 += dir1;
-	    i2 += dir2;
-	  }
-	  return 0
-	};
-	BidirectionalComparator.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparator]
-	};
-	BidirectionalComparator.prototype.getClass = function getClass () {
-	  return BidirectionalComparator
-	};
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/Map.html
-	 *
-	 * @constructor
-	 * @private
-	 */
-	var Map$1$1 = function Map () {};
-
-	Map$1$1.prototype.get = function get () {};
-	/**
-	 * Associates the specified value with the specified key in this map (optional
-	 * operation).
-	 * @param {Object} key
-	 * @param {Object} value
-	 * @return {Object}
-	 */
-	Map$1$1.prototype.put = function put () {};
-
-	/**
-	 * Returns the number of key-value mappings in this map.
-	 * @return {number}
-	 */
-	Map$1$1.prototype.size = function size () {};
-
-	/**
-	 * Returns a Collection view of the values contained in this map.
-	 * @return {javascript.util.Collection}
-	 */
-	Map$1$1.prototype.values = function values () {};
-
-	/**
-	 * Returns a {@link Set} view of the mappings contained in this map.
-	 * The set is backed by the map, so changes to the map are
-	 * reflected in the set, and vice-versa.If the map is modified
-	 * while an iteration over the set is in progress (except through
-	 * the iterator's own <tt>remove</tt> operation, or through the
-	 * <tt>setValue</tt> operation on a map entry returned by the
-	 * iterator) the results of the iteration are undefined.The set
-	 * supports element removal, which removes the corresponding
-	 * mapping from the map, via the <tt>Iterator.remove</tt>,
-	 * <tt>Set.remove</tt>, <tt>removeAll</tt>, <tt>retainAll</tt> and
-	 * <tt>clear</tt> operations.It does not support the
-	 * <tt>add</tt> or <tt>addAll</tt> operations.
-	 *
-	 * @return {Set} a set view of the mappings contained in this map
-	 */
-	Map$1$1.prototype.entrySet = function entrySet () {};
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/SortedMap.html
-	 *
-	 * @extends {Map}
-	 * @constructor
-	 * @private
-	 */
-	var SortedMap = (function (Map) {
-		function SortedMap () {
-			Map.apply(this, arguments);
-		}if ( Map ) SortedMap.__proto__ = Map;
-		SortedMap.prototype = Object.create( Map && Map.prototype );
-		SortedMap.prototype.constructor = SortedMap;
-
-		
-
-		return SortedMap;
-	}(Map$1$1));
-
-	/**
-	 * @param {string=} message Optional message
-	 * @extends {Error}
-	 * @constructor
-	 * @private
-	 */
-	function OperationNotSupported (message) {
-	  this.message = message || '';
-	}
-	OperationNotSupported.prototype = new Error();
-
-	/**
-	 * @type {string}
-	 */
-	OperationNotSupported.prototype.name = 'OperationNotSupported';
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/Set.html
-	 *
-	 * @extends {Collection}
-	 * @constructor
-	 * @private
-	 */
-	function Set$2() {}
-	Set$2.prototype = new Collection();
-
-
-	/**
-	 * Returns true if this set contains the specified element. More formally,
-	 * returns true if and only if this set contains an element e such that (o==null ?
-	 * e==null : o.equals(e)).
-	 * @param {Object} e
-	 * @return {boolean}
-	 */
-	Set$2.prototype.contains = function() {};
-
-	/**
-	 * @see http://docs.oracle.com/javase/6/docs/api/java/util/HashSet.html
-	 *
-	 * @extends {javascript.util.Set}
-	 * @constructor
-	 * @private
-	 */
-	var HashSet = (function (Set$$1) {
-	  function HashSet () {
-	    Set$$1.call(this);
-	    this.array_ = [];
-
-	    if (arguments[0] instanceof Collection) {
-	      this.addAll(arguments[0]);
-	    }
-	  }
-
-	  if ( Set$$1 ) HashSet.__proto__ = Set$$1;
-	  HashSet.prototype = Object.create( Set$$1 && Set$$1.prototype );
-	  HashSet.prototype.constructor = HashSet;
-
-	  /**
-	   * @override
-	   */
-	  HashSet.prototype.contains = function contains (o) {
-	    var this$1 = this;
-
-	    for (var i = 0, len = this.array_.length; i < len; i++) {
-	      var e = this$1.array_[i];
-	      if (e === o) {
-	        return true
-	      }
-	    }
-	    return false
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashSet.prototype.add = function add (o) {
-	    if (this.contains(o)) {
-	      return false
-	    }
-
-	    this.array_.push(o);
-
-	    return true
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashSet.prototype.addAll = function addAll (c) {
-	    var this$1 = this;
-
-	    for (var i = c.iterator(); i.hasNext();) {
-	      this$1.add(i.next());
-	    }
-	    return true
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashSet.prototype.remove = function remove (o) {
-	    // throw new javascript.util.OperationNotSupported()
-	    throw new Error()
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashSet.prototype.size = function size () {
-	    return this.array_.length
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashSet.prototype.isEmpty = function isEmpty () {
-	    return this.array_.length === 0
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashSet.prototype.toArray = function toArray () {
-	    var this$1 = this;
-
-	    var array = [];
-
-	    for (var i = 0, len = this.array_.length; i < len; i++) {
-	      array.push(this$1.array_[i]);
-	    }
-
-	    return array
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashSet.prototype.iterator = function iterator () {
-	    return new Iterator_$1(this)
-	  };
-
-	  return HashSet;
-	}(Set$2));
-
-	/**
-	   * @extends {Iterator}
-	   * @param {HashSet} hashSet
-	   * @constructor
-	   * @private
-	   */
-	var Iterator_$1 = (function (Iterator$$1) {
-	  function Iterator_ (hashSet) {
-	    Iterator$$1.call(this);
-	    /**
-	     * @type {HashSet}
-	     * @private
-	     */
-	    this.hashSet_ = hashSet;
-	    /**
-	     * @type {number}
-	     * @private
-	     */
-	    this.position_ = 0;
-	  }
-
-	  if ( Iterator$$1 ) Iterator_.__proto__ = Iterator$$1;
-	  Iterator_.prototype = Object.create( Iterator$$1 && Iterator$$1.prototype );
-	  Iterator_.prototype.constructor = Iterator_;
-
-	  /**
-	   * @override
-	   */
-	  Iterator_.prototype.next = function next () {
-	    if (this.position_ === this.hashSet_.size()) {
-	      throw new NoSuchElementException()
-	    }
-	    return this.hashSet_.array_[this.position_++]
-	  };
-
-	  /**
-	   * @override
-	   */
-	  Iterator_.prototype.hasNext = function hasNext () {
-	    if (this.position_ < this.hashSet_.size()) {
-	      return true
-	    } else {
-	      return false
-	    }
-	  };
-
-	  /**
-	   * @override
-	   */
-	  Iterator_.prototype.remove = function remove () {
-	    throw new OperationNotSupported()
-	  };
-
-	  return Iterator_;
-	}(Iterator$1));
-
-	var BLACK = 0;
-	var RED = 1;
-	function colorOf (p) { return (p === null ? BLACK : p.color) }
-	function parentOf (p) { return (p === null ? null : p.parent) }
-	function setColor (p, c) { if (p !== null) { p.color = c; } }
-	function leftOf (p) { return (p === null ? null : p.left) }
-	function rightOf (p) { return (p === null ? null : p.right) }
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/TreeMap.html
-	 *
-	 * @extends {SortedMap}
-	 * @constructor
-	 * @private
-	 */
-	function TreeMap () {
-	  /**
-	   * @type {Object}
-	   * @private
-	   */
-	  this.root_ = null;
-	  /**
-	   * @type {number}
-	   * @private
-	  */
-	  this.size_ = 0;
-	}
-	TreeMap.prototype = new SortedMap();
-
-	/**
-	 * @override
-	 */
-	TreeMap.prototype.get = function (key) {
-	  var p = this.root_;
-	  while (p !== null) {
-	    var cmp = key['compareTo'](p.key);
-	    if (cmp < 0) { p = p.left; }
-	    else if (cmp > 0) { p = p.right; }
-	    else { return p.value }
-	  }
-	  return null
-	};
-
-	/**
-	 * @override
-	 */
-	TreeMap.prototype.put = function (key, value) {
-	  if (this.root_ === null) {
-	    this.root_ = {
-	      key: key,
-	      value: value,
-	      left: null,
-	      right: null,
-	      parent: null,
-	      color: BLACK,
-	      getValue: function getValue () { return this.value },
-	      getKey: function getKey () { return this.key }
-	    };
-	    this.size_ = 1;
-	    return null
-	  }
-	  var t = this.root_;
-	  var parent;
-	  var cmp;
-	  do {
-	    parent = t;
-	    cmp = key['compareTo'](t.key);
-	    if (cmp < 0) {
-	      t = t.left;
-	    } else if (cmp > 0) {
-	      t = t.right;
-	    } else {
-	      var oldValue = t.value;
-	      t.value = value;
-	      return oldValue
-	    }
-	  } while (t !== null)
-	  var e = {
-	    key: key,
-	    left: null,
-	    right: null,
-	    value: value,
-	    parent: parent,
-	    color: BLACK,
-	    getValue: function getValue () { return this.value },
-	    getKey: function getKey () { return this.key }
-	  };
-	  if (cmp < 0) {
-	    parent.left = e;
-	  } else {
-	    parent.right = e;
-	  }
-	  this.fixAfterInsertion(e);
-	  this.size_++;
-	  return null
-	};
-
-	/**
-	 * @param {Object} x
-	 */
-	TreeMap.prototype.fixAfterInsertion = function (x) {
-	  var this$1 = this;
-
-	  x.color = RED;
-	  while (x != null && x !== this.root_ && x.parent.color === RED) {
-	    if (parentOf(x) === leftOf(parentOf(parentOf(x)))) {
-	      var y = rightOf(parentOf(parentOf(x)));
-	      if (colorOf(y) === RED) {
-	        setColor(parentOf(x), BLACK);
-	        setColor(y, BLACK);
-	        setColor(parentOf(parentOf(x)), RED);
-	        x = parentOf(parentOf(x));
-	      } else {
-	        if (x === rightOf(parentOf(x))) {
-	          x = parentOf(x);
-	          this$1.rotateLeft(x);
-	        }
-	        setColor(parentOf(x), BLACK);
-	        setColor(parentOf(parentOf(x)), RED);
-	        this$1.rotateRight(parentOf(parentOf(x)));
-	      }
-	    } else {
-	      var y$1 = leftOf(parentOf(parentOf(x)));
-	      if (colorOf(y$1) === RED) {
-	        setColor(parentOf(x), BLACK);
-	        setColor(y$1, BLACK);
-	        setColor(parentOf(parentOf(x)), RED);
-	        x = parentOf(parentOf(x));
-	      } else {
-	        if (x === leftOf(parentOf(x))) {
-	          x = parentOf(x);
-	          this$1.rotateRight(x);
-	        }
-	        setColor(parentOf(x), BLACK);
-	        setColor(parentOf(parentOf(x)), RED);
-	        this$1.rotateLeft(parentOf(parentOf(x)));
-	      }
-	    }
-	  }
-	  this.root_.color = BLACK;
-	};
-
-	/**
-	 * @override
-	 */
-	TreeMap.prototype.values = function () {
-	  var arrayList = new ArrayList();
-	  var p = this.getFirstEntry();
-	  if (p !== null) {
-	    arrayList.add(p.value);
-	    while ((p = TreeMap.successor(p)) !== null) {
-	      arrayList.add(p.value);
-	    }
-	  }
-	  return arrayList
-	};
-
-	/**
-	 * @override
-	 */
-	TreeMap.prototype.entrySet = function () {
-	  var hashSet = new HashSet();
-	  var p = this.getFirstEntry();
-	  if (p !== null) {
-	    hashSet.add(p);
-	    while ((p = TreeMap.successor(p)) !== null) {
-	      hashSet.add(p);
-	    }
-	  }
-	  return hashSet
-	};
-
-	/**
-	 * @param {Object} p
-	 */
-	TreeMap.prototype.rotateLeft = function (p) {
-	  if (p != null) {
-	    var r = p.right;
-	    p.right = r.left;
-	    if (r.left != null) { r.left.parent = p; }
-	    r.parent = p.parent;
-	    if (p.parent === null) { this.root_ = r; } else if (p.parent.left === p) { p.parent.left = r; } else { p.parent.right = r; }
-	    r.left = p;
-	    p.parent = r;
-	  }
-	};
-
-	/**
-	 * @param {Object} p
-	 */
-	TreeMap.prototype.rotateRight = function (p) {
-	  if (p != null) {
-	    var l = p.left;
-	    p.left = l.right;
-	    if (l.right != null) { l.right.parent = p; }
-	    l.parent = p.parent;
-	    if (p.parent === null) { this.root_ = l; } else if (p.parent.right === p) { p.parent.right = l; } else { p.parent.left = l; }
-	    l.right = p;
-	    p.parent = l;
-	  }
-	};
-
-	/**
-	 * @return {Object}
-	 */
-	TreeMap.prototype.getFirstEntry = function () {
-	  var p = this.root_;
-	  if (p != null) {
-	    while (p.left != null) {
-	      p = p.left;
-	    }
-	  }
-	  return p
-	};
-
-	/**
-	 * @param {Object} t
-	 * @return {Object}
-	 * @private
-	 */
-	TreeMap.successor = function (t) {
-	  if (t === null) { return null } else if (t.right !== null) {
-	    var p = t.right;
-	    while (p.left !== null) {
-	      p = p.left;
-	    }
-	    return p
-	  } else {
-	    var p$1 = t.parent;
-	    var ch = t;
-	    while (p$1 !== null && ch === p$1.right) {
-	      ch = p$1;
-	      p$1 = p$1.parent;
-	    }
-	    return p$1
-	  }
-	};
-
-	/**
-	 * @override
-	 */
-	TreeMap.prototype.size = function () {
-	  return this.size_
-	};
-
-	var Lineal = function Lineal () {};
-
-	Lineal.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Lineal.prototype.getClass = function getClass () {
-	  return Lineal
-	};
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/SortedSet.html
-	 *
-	 * @extends {Set}
-	 * @constructor
-	 * @private
-	 */
-	function SortedSet () {}
-	SortedSet.prototype = new Set$2();
-
-	// import Iterator from './Iterator'
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/TreeSet.html
-	 *
-	 * @extends {SortedSet}
-	 * @constructor
-	 * @private
-	 */
-	function TreeSet () {
-	  /**
-	   * @type {Array}
-	   * @private
-	  */
-	  this.array_ = [];
-
-	  if (arguments[0] instanceof Collection) {
-	    this.addAll(arguments[0]);
-	  }
-	}
-	TreeSet.prototype = new SortedSet();
-
-	/**
-	 * @override
-	 */
-	TreeSet.prototype.contains = function (o) {
-	  var this$1 = this;
-
-	  for (var i = 0, len = this.array_.length; i < len; i++) {
-	    var e = this$1.array_[i];
-	    if (e['compareTo'](o) === 0) {
-	      return true
-	    }
-	  }
-	  return false
-	};
-
-	/**
-	 * @override
-	 */
-	TreeSet.prototype.add = function (o) {
-	  var this$1 = this;
-
-	  if (this.contains(o)) {
-	    return false
-	  }
-
-	  for (var i = 0, len = this.array_.length; i < len; i++) {
-	    var e = this$1.array_[i];
-	    if (e['compareTo'](o) === 1) {
-	      this$1.array_.splice(i, 0, o);
-	      return true
-	    }
-	  }
-
-	  this.array_.push(o);
-
-	  return true
-	};
-
-	/**
-	 * @override
-	 */
-	TreeSet.prototype.addAll = function (c) {
-	  var this$1 = this;
-
-	  for (var i = c.iterator(); i.hasNext();) {
-	    this$1.add(i.next());
-	  }
-	  return true
-	};
-
-	/**
-	 * @override
-	 */
-	TreeSet.prototype.remove = function (e) {
-	  throw new OperationNotSupported()
-	};
-
-	/**
-	 * @override
-	 */
-	TreeSet.prototype.size = function () {
-	  return this.array_.length
-	};
-
-	/**
-	 * @override
-	 */
-	TreeSet.prototype.isEmpty = function () {
-	  return this.array_.length === 0
-	};
-
-	/**
-	 * @override
-	 */
-	TreeSet.prototype.toArray = function () {
-	  var this$1 = this;
-
-	  var array = [];
-
-	  for (var i = 0, len = this.array_.length; i < len; i++) {
-	    array.push(this$1.array_[i]);
-	  }
-
-	  return array
-	};
-
-	/**
-	 * @override
-	 */
-	TreeSet.prototype.iterator = function () {
-	  return new Iterator_$2(this)
-	};
-
-	/**
-	 * @extends {javascript.util.Iterator}
-	 * @param {javascript.util.TreeSet} treeSet
-	 * @constructor
-	 * @private
-	 */
-	var Iterator_$2 = function (treeSet) {
-	  /**
-	   * @type {javascript.util.TreeSet}
-	   * @private
-	   */
-	  this.treeSet_ = treeSet;
-	  /**
-	   * @type {number}
-	   * @private
-	   */
-	  this.position_ = 0;
-	};
-
-	/**
-	 * @override
-	 */
-	Iterator_$2.prototype.next = function () {
-	  if (this.position_ === this.treeSet_.size()) {
-	    throw new NoSuchElementException()
-	  }
-	  return this.treeSet_.array_[this.position_++]
-	};
-
-	/**
-	 * @override
-	 */
-	Iterator_$2.prototype.hasNext = function () {
-	  if (this.position_ < this.treeSet_.size()) {
-	    return true
-	  } else {
-	    return false
-	  }
-	};
-
-	/**
-	 * @override
-	 */
-	Iterator_$2.prototype.remove = function () {
-	  throw new OperationNotSupported()
-	};
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/Arrays.html
-	 *
-	 * @constructor
-	 * @private
-	 */
-	var Arrays = function Arrays () {};
-
-	Arrays.sort = function sort () {
-	  var a = arguments[0];
-	  var i;
-	  var t;
-	  var comparator;
-	  var compare;
-	  if (arguments.length === 1) {
-	    compare = function (a, b) {
-	      return a.compareTo(b)
-	    };
-	    a.sort(compare);
-	  } else if (arguments.length === 2) {
-	    comparator = arguments[1];
-	    compare = function (a, b) {
-	      return comparator['compare'](a, b)
-	    };
-	    a.sort(compare);
-	  } else if (arguments.length === 3) {
-	    t = a.slice(arguments[1], arguments[2]);
-	    t.sort();
-	    var r = a.slice(0, arguments[1]).concat(t, a.slice(arguments[2], a.length));
-	    a.splice(0, a.length);
-	    for (i = 0; i < r.length; i++) {
-	      a.push(r[i]);
-	    }
-	  } else if (arguments.length === 4) {
-	    t = a.slice(arguments[1], arguments[2]);
-	    comparator = arguments[3];
-	    compare = function (a, b) {
-	      return comparator['compare'](a, b)
-	    };
-	    t.sort(compare);
-	    r = a.slice(0, arguments[1]).concat(t, a.slice(arguments[2], a.length));
-	    a.splice(0, a.length);
-	    for (i = 0; i < r.length; i++) {
-	      a.push(r[i]);
-	    }
-	  }
-	};
-	/**
-	 * @param {Array} array
-	 * @return {ArrayList}
-	 */
-	Arrays.asList = function asList (array) {
-	  var arrayList = new ArrayList();
-	  for (var i = 0, len = array.length; i < len; i++) {
-	    arrayList.add(array[i]);
-	  }
-	  return arrayList
-	};
-
-	var Dimension = function Dimension () {};
-
-	var staticAccessors$14 = { P: { configurable: true },L: { configurable: true },A: { configurable: true },FALSE: { configurable: true },TRUE: { configurable: true },DONTCARE: { configurable: true },SYM_FALSE: { configurable: true },SYM_TRUE: { configurable: true },SYM_DONTCARE: { configurable: true },SYM_P: { configurable: true },SYM_L: { configurable: true },SYM_A: { configurable: true } };
-
-	staticAccessors$14.P.get = function () { return 0 };
-	staticAccessors$14.L.get = function () { return 1 };
-	staticAccessors$14.A.get = function () { return 2 };
-	staticAccessors$14.FALSE.get = function () { return -1 };
-	staticAccessors$14.TRUE.get = function () { return -2 };
-	staticAccessors$14.DONTCARE.get = function () { return -3 };
-	staticAccessors$14.SYM_FALSE.get = function () { return 'F' };
-	staticAccessors$14.SYM_TRUE.get = function () { return 'T' };
-	staticAccessors$14.SYM_DONTCARE.get = function () { return '*' };
-	staticAccessors$14.SYM_P.get = function () { return '0' };
-	staticAccessors$14.SYM_L.get = function () { return '1' };
-	staticAccessors$14.SYM_A.get = function () { return '2' };
-
-	Dimension.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Dimension.prototype.getClass = function getClass () {
-	  return Dimension
-	};
-	Dimension.toDimensionSymbol = function toDimensionSymbol (dimensionValue) {
-	  switch (dimensionValue) {
-	    case Dimension.FALSE:
-	      return Dimension.SYM_FALSE
-	    case Dimension.TRUE:
-	      return Dimension.SYM_TRUE
-	    case Dimension.DONTCARE:
-	      return Dimension.SYM_DONTCARE
-	    case Dimension.P:
-	      return Dimension.SYM_P
-	    case Dimension.L:
-	      return Dimension.SYM_L
-	    case Dimension.A:
-	      return Dimension.SYM_A
-	  }
-	  throw new IllegalArgumentException('Unknown dimension value: ' + dimensionValue)
-	};
-	Dimension.toDimensionValue = function toDimensionValue (dimensionSymbol) {
-	  switch (Character.toUpperCase(dimensionSymbol)) {
-	    case Dimension.SYM_FALSE:
-	      return Dimension.FALSE
-	    case Dimension.SYM_TRUE:
-	      return Dimension.TRUE
-	    case Dimension.SYM_DONTCARE:
-	      return Dimension.DONTCARE
-	    case Dimension.SYM_P:
-	      return Dimension.P
-	    case Dimension.SYM_L:
-	      return Dimension.L
-	    case Dimension.SYM_A:
-	      return Dimension.A
-	  }
-	  throw new IllegalArgumentException('Unknown dimension symbol: ' + dimensionSymbol)
-	};
-
-	Object.defineProperties( Dimension, staticAccessors$14 );
-
-	var GeometryFilter = function GeometryFilter () {};
-
-	GeometryFilter.prototype.filter = function filter (geom) {};
-	GeometryFilter.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryFilter.prototype.getClass = function getClass () {
-	  return GeometryFilter
-	};
-
-	var CoordinateSequenceFilter = function CoordinateSequenceFilter () {};
-
-	CoordinateSequenceFilter.prototype.filter = function filter (seq, i) {};
-	CoordinateSequenceFilter.prototype.isDone = function isDone () {};
-	CoordinateSequenceFilter.prototype.isGeometryChanged = function isGeometryChanged () {};
-	CoordinateSequenceFilter.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CoordinateSequenceFilter.prototype.getClass = function getClass () {
-	  return CoordinateSequenceFilter
-	};
-
-	var GeometryCollection = (function (Geometry$$1) {
-	  function GeometryCollection (geometries, factory) {
-	    Geometry$$1.call(this, factory);
-	    this._geometries = geometries || [];
-
-	    if (Geometry$$1.hasNullElements(this._geometries)) {
-	      throw new IllegalArgumentException('geometries must not contain null elements')
-	    }
-	  }
-
-	  if ( Geometry$$1 ) GeometryCollection.__proto__ = Geometry$$1;
-	  GeometryCollection.prototype = Object.create( Geometry$$1 && Geometry$$1.prototype );
-	  GeometryCollection.prototype.constructor = GeometryCollection;
-
-	  var staticAccessors = { serialVersionUID: { configurable: true } };
-	  GeometryCollection.prototype.computeEnvelopeInternal = function computeEnvelopeInternal () {
-	    var this$1 = this;
-
-	    var envelope = new Envelope();
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      envelope.expandToInclude(this$1._geometries[i].getEnvelopeInternal());
-	    }
-	    return envelope
-	  };
-	  GeometryCollection.prototype.getGeometryN = function getGeometryN (n) {
-	    return this._geometries[n]
-	  };
-	  GeometryCollection.prototype.getSortIndex = function getSortIndex () {
-	    return Geometry$$1.SORTINDEX_GEOMETRYCOLLECTION
-	  };
-	  GeometryCollection.prototype.getCoordinates = function getCoordinates () {
-	    var this$1 = this;
-
-	    var coordinates = new Array(this.getNumPoints()).fill(null);
-	    var k = -1;
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      var childCoordinates = this$1._geometries[i].getCoordinates();
-	      for (var j = 0; j < childCoordinates.length; j++) {
-	        k++;
-	        coordinates[k] = childCoordinates[j];
-	      }
-	    }
-	    return coordinates
-	  };
-	  GeometryCollection.prototype.getArea = function getArea () {
-	    var this$1 = this;
-
-	    var area = 0.0;
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      area += this$1._geometries[i].getArea();
-	    }
-	    return area
-	  };
-	  GeometryCollection.prototype.equalsExact = function equalsExact () {
-	    var this$1 = this;
-
-	    if (arguments.length === 2) {
-	      var other = arguments[0];
-	      var tolerance = arguments[1];
-	      if (!this.isEquivalentClass(other)) {
-	        return false
-	      }
-	      var otherCollection = other;
-	      if (this._geometries.length !== otherCollection._geometries.length) {
-	        return false
-	      }
-	      for (var i = 0; i < this._geometries.length; i++) {
-	        if (!this$1._geometries[i].equalsExact(otherCollection._geometries[i], tolerance)) {
-	          return false
-	        }
-	      }
-	      return true
-	    } else { return Geometry$$1.prototype.equalsExact.apply(this, arguments) }
-	  };
-	  GeometryCollection.prototype.normalize = function normalize () {
-	    var this$1 = this;
-
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      this$1._geometries[i].normalize();
-	    }
-	    Arrays.sort(this._geometries);
-	  };
-	  GeometryCollection.prototype.getCoordinate = function getCoordinate () {
-	    if (this.isEmpty()) { return null }
-	    return this._geometries[0].getCoordinate()
-	  };
-	  GeometryCollection.prototype.getBoundaryDimension = function getBoundaryDimension () {
-	    var this$1 = this;
-
-	    var dimension = Dimension.FALSE;
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      dimension = Math.max(dimension, this$1._geometries[i].getBoundaryDimension());
-	    }
-	    return dimension
-	  };
-	  GeometryCollection.prototype.getDimension = function getDimension () {
-	    var this$1 = this;
-
-	    var dimension = Dimension.FALSE;
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      dimension = Math.max(dimension, this$1._geometries[i].getDimension());
-	    }
-	    return dimension
-	  };
-	  GeometryCollection.prototype.getLength = function getLength () {
-	    var this$1 = this;
-
-	    var sum = 0.0;
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      sum += this$1._geometries[i].getLength();
-	    }
-	    return sum
-	  };
-	  GeometryCollection.prototype.getNumPoints = function getNumPoints () {
-	    var this$1 = this;
-
-	    var numPoints = 0;
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      numPoints += this$1._geometries[i].getNumPoints();
-	    }
-	    return numPoints
-	  };
-	  GeometryCollection.prototype.getNumGeometries = function getNumGeometries () {
-	    return this._geometries.length
-	  };
-	  GeometryCollection.prototype.reverse = function reverse () {
-	    var this$1 = this;
-
-	    var n = this._geometries.length;
-	    var revGeoms = new Array(n).fill(null);
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      revGeoms[i] = this$1._geometries[i].reverse();
-	    }
-	    return this.getFactory().createGeometryCollection(revGeoms)
-	  };
-	  GeometryCollection.prototype.compareToSameClass = function compareToSameClass () {
-	    var this$1 = this;
-
-	    if (arguments.length === 1) {
-	      var o = arguments[0];
-	      var theseElements = new TreeSet(Arrays.asList(this._geometries));
-	      var otherElements = new TreeSet(Arrays.asList(o._geometries));
-	      return this.compare(theseElements, otherElements)
-	    } else if (arguments.length === 2) {
-	      var o$1 = arguments[0];
-	      var comp = arguments[1];
-	      var gc = o$1;
-	      var n1 = this.getNumGeometries();
-	      var n2 = gc.getNumGeometries();
-	      var i = 0;
-	      while (i < n1 && i < n2) {
-	        var thisGeom = this$1.getGeometryN(i);
-	        var otherGeom = gc.getGeometryN(i);
-	        var holeComp = thisGeom.compareToSameClass(otherGeom, comp);
-	        if (holeComp !== 0) { return holeComp }
-	        i++;
-	      }
-	      if (i < n1) { return 1 }
-	      if (i < n2) { return -1 }
-	      return 0
-	    }
-	  };
-	  GeometryCollection.prototype.apply = function apply () {
-	    var this$1 = this;
-
-	    if (hasInterface(arguments[0], CoordinateFilter)) {
-	      var filter = arguments[0];
-	      for (var i = 0; i < this._geometries.length; i++) {
-	        this$1._geometries[i].apply(filter);
-	      }
-	    } else if (hasInterface(arguments[0], CoordinateSequenceFilter)) {
-	      var filter$1 = arguments[0];
-	      if (this._geometries.length === 0) { return null }
-	      for (var i$1 = 0; i$1 < this._geometries.length; i$1++) {
-	        this$1._geometries[i$1].apply(filter$1);
-	        if (filter$1.isDone()) {
-	          break
-	        }
-	      }
-	      if (filter$1.isGeometryChanged()) { this.geometryChanged(); }
-	    } else if (hasInterface(arguments[0], GeometryFilter)) {
-	      var filter$2 = arguments[0];
-	      filter$2.filter(this);
-	      for (var i$2 = 0; i$2 < this._geometries.length; i$2++) {
-	        this$1._geometries[i$2].apply(filter$2);
-	      }
-	    } else if (hasInterface(arguments[0], GeometryComponentFilter)) {
-	      var filter$3 = arguments[0];
-	      filter$3.filter(this);
-	      for (var i$3 = 0; i$3 < this._geometries.length; i$3++) {
-	        this$1._geometries[i$3].apply(filter$3);
-	      }
-	    }
-	  };
-	  GeometryCollection.prototype.getBoundary = function getBoundary () {
-	    this.checkNotGeometryCollection(this);
-	    Assert.shouldNeverReachHere();
-	    return null
-	  };
-	  GeometryCollection.prototype.clone = function clone () {
-	    var this$1 = this;
-
-	    var gc = Geometry$$1.prototype.clone.call(this);
-	    gc._geometries = new Array(this._geometries.length).fill(null);
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      gc._geometries[i] = this$1._geometries[i].clone();
-	    }
-	    return gc
-	  };
-	  GeometryCollection.prototype.getGeometryType = function getGeometryType () {
-	    return 'GeometryCollection'
-	  };
-	  GeometryCollection.prototype.copy = function copy () {
-	    var this$1 = this;
-
-	    var geometries = new Array(this._geometries.length).fill(null);
-	    for (var i = 0; i < geometries.length; i++) {
-	      geometries[i] = this$1._geometries[i].copy();
-	    }
-	    return new GeometryCollection(geometries, this._factory)
-	  };
-	  GeometryCollection.prototype.isEmpty = function isEmpty () {
-	    var this$1 = this;
-
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      if (!this$1._geometries[i].isEmpty()) {
-	        return false
-	      }
-	    }
-	    return true
-	  };
-	  GeometryCollection.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  GeometryCollection.prototype.getClass = function getClass () {
-	    return GeometryCollection
-	  };
-	  staticAccessors.serialVersionUID.get = function () { return -5694727726395021467 };
-
-	  Object.defineProperties( GeometryCollection, staticAccessors );
-
-	  return GeometryCollection;
-	}(Geometry));
-
-	var MultiLineString = (function (GeometryCollection$$1) {
-	  function MultiLineString () {
-	    GeometryCollection$$1.apply(this, arguments);
-	  }
-
-	  if ( GeometryCollection$$1 ) MultiLineString.__proto__ = GeometryCollection$$1;
-	  MultiLineString.prototype = Object.create( GeometryCollection$$1 && GeometryCollection$$1.prototype );
-	  MultiLineString.prototype.constructor = MultiLineString;
-
-	  var staticAccessors = { serialVersionUID: { configurable: true } };
-
-	  MultiLineString.prototype.getSortIndex = function getSortIndex () {
-	    return Geometry.SORTINDEX_MULTILINESTRING
-	  };
-	  MultiLineString.prototype.equalsExact = function equalsExact () {
-	    if (arguments.length === 2) {
-	      var other = arguments[0];
-	      var tolerance = arguments[1];
-	      if (!this.isEquivalentClass(other)) {
-	        return false
-	      }
-	      return GeometryCollection$$1.prototype.equalsExact.call(this, other, tolerance)
-	    } else { return GeometryCollection$$1.prototype.equalsExact.apply(this, arguments) }
-	  };
-	  MultiLineString.prototype.getBoundaryDimension = function getBoundaryDimension () {
-	    if (this.isClosed()) {
-	      return Dimension.FALSE
-	    }
-	    return 0
-	  };
-	  MultiLineString.prototype.isClosed = function isClosed () {
-	    var this$1 = this;
-
-	    if (this.isEmpty()) {
-	      return false
-	    }
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      if (!this$1._geometries[i].isClosed()) {
-	        return false
-	      }
-	    }
-	    return true
-	  };
-	  MultiLineString.prototype.getDimension = function getDimension () {
-	    return 1
-	  };
-	  MultiLineString.prototype.reverse = function reverse () {
-	    var this$1 = this;
-
-	    var nLines = this._geometries.length;
-	    var revLines = new Array(nLines).fill(null);
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      revLines[nLines - 1 - i] = this$1._geometries[i].reverse();
-	    }
-	    return this.getFactory().createMultiLineString(revLines)
-	  };
-	  MultiLineString.prototype.getBoundary = function getBoundary () {
-	    return new BoundaryOp(this).getBoundary()
-	  };
-	  MultiLineString.prototype.getGeometryType = function getGeometryType () {
-	    return 'MultiLineString'
-	  };
-	  MultiLineString.prototype.copy = function copy () {
-	    var this$1 = this;
-
-	    var lineStrings = new Array(this._geometries.length).fill(null);
-	    for (var i = 0; i < lineStrings.length; i++) {
-	      lineStrings[i] = this$1._geometries[i].copy();
-	    }
-	    return new MultiLineString(lineStrings, this._factory)
-	  };
-	  MultiLineString.prototype.interfaces_ = function interfaces_ () {
-	    return [Lineal]
-	  };
-	  MultiLineString.prototype.getClass = function getClass () {
-	    return MultiLineString
-	  };
-	  staticAccessors.serialVersionUID.get = function () { return 8166665132445433741 };
-
-	  Object.defineProperties( MultiLineString, staticAccessors );
-
-	  return MultiLineString;
-	}(GeometryCollection));
-
-	var BoundaryOp = function BoundaryOp () {
-	  this._geom = null;
-	  this._geomFact = null;
-	  this._bnRule = null;
-	  this._endpointMap = null;
-	  if (arguments.length === 1) {
-	    var geom = arguments[0];
-	    var bnRule = BoundaryNodeRule.MOD2_BOUNDARY_RULE;
-	    this._geom = geom;
-	    this._geomFact = geom.getFactory();
-	    this._bnRule = bnRule;
-	  } else if (arguments.length === 2) {
-	    var geom$1 = arguments[0];
-	    var bnRule$1 = arguments[1];
-	    this._geom = geom$1;
-	    this._geomFact = geom$1.getFactory();
-	    this._bnRule = bnRule$1;
-	  }
-	};
-	BoundaryOp.prototype.boundaryMultiLineString = function boundaryMultiLineString (mLine) {
-	  if (this._geom.isEmpty()) {
-	    return this.getEmptyMultiPoint()
-	  }
-	  var bdyPts = this.computeBoundaryCoordinates(mLine);
-	  if (bdyPts.length === 1) {
-	    return this._geomFact.createPoint(bdyPts[0])
-	  }
-	  return this._geomFact.createMultiPointFromCoords(bdyPts)
-	};
-	BoundaryOp.prototype.getBoundary = function getBoundary () {
-	  if (this._geom instanceof LineString) { return this.boundaryLineString(this._geom) }
-	  if (this._geom instanceof MultiLineString) { return this.boundaryMultiLineString(this._geom) }
-	  return this._geom.getBoundary()
-	};
-	BoundaryOp.prototype.boundaryLineString = function boundaryLineString (line) {
-	  if (this._geom.isEmpty()) {
-	    return this.getEmptyMultiPoint()
-	  }
-	  if (line.isClosed()) {
-	    var closedEndpointOnBoundary = this._bnRule.isInBoundary(2);
-	    if (closedEndpointOnBoundary) {
-	      return line.getStartPoint()
-	    } else {
-	      return this._geomFact.createMultiPoint()
-	    }
-	  }
-	  return this._geomFact.createMultiPoint([line.getStartPoint(), line.getEndPoint()])
-	};
-	BoundaryOp.prototype.getEmptyMultiPoint = function getEmptyMultiPoint () {
-	  return this._geomFact.createMultiPoint()
-	};
-	BoundaryOp.prototype.computeBoundaryCoordinates = function computeBoundaryCoordinates (mLine) {
-	    var this$1 = this;
-
-	  var bdyPts = new ArrayList();
-	  this._endpointMap = new TreeMap();
-	  for (var i = 0; i < mLine.getNumGeometries(); i++) {
-	    var line = mLine.getGeometryN(i);
-	    if (line.getNumPoints() === 0) { continue }
-	    this$1.addEndpoint(line.getCoordinateN(0));
-	    this$1.addEndpoint(line.getCoordinateN(line.getNumPoints() - 1));
-	  }
-	  for (var it = this._endpointMap.entrySet().iterator(); it.hasNext();) {
-	    var entry = it.next();
-	    var counter = entry.getValue();
-	    var valence = counter.count;
-	    if (this$1._bnRule.isInBoundary(valence)) {
-	      bdyPts.add(entry.getKey());
-	    }
-	  }
-	  return CoordinateArrays.toCoordinateArray(bdyPts)
-	};
-	BoundaryOp.prototype.addEndpoint = function addEndpoint (pt) {
-	  var counter = this._endpointMap.get(pt);
-	  if (counter === null) {
-	    counter = new Counter();
-	    this._endpointMap.put(pt, counter);
-	  }
-	  counter.count++;
-	};
-	BoundaryOp.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BoundaryOp.prototype.getClass = function getClass () {
-	  return BoundaryOp
-	};
-	BoundaryOp.getBoundary = function getBoundary () {
-	  if (arguments.length === 1) {
-	    var g = arguments[0];
-	    var bop = new BoundaryOp(g);
-	    return bop.getBoundary()
-	  } else if (arguments.length === 2) {
-	    var g$1 = arguments[0];
-	    var bnRule = arguments[1];
-	    var bop$1 = new BoundaryOp(g$1, bnRule);
-	    return bop$1.getBoundary()
-	  }
-	};
-
-	var Counter = function Counter () {
-	  this.count = null;
-	};
-	Counter.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Counter.prototype.getClass = function getClass () {
-	  return Counter
-	};
-
-	// boundary
-
-	function PrintStream () {}
-
-	function StringReader () {}
-
-	var DecimalFormat = function DecimalFormat () {};
-
-	function ByteArrayOutputStream () {}
-
-	function IOException () {}
-
-	function LineNumberReader () {}
-
-	var StringUtil = function StringUtil () {};
-
-	var staticAccessors$15 = { NEWLINE: { configurable: true },SIMPLE_ORDINATE_FORMAT: { configurable: true } };
-
-	StringUtil.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	StringUtil.prototype.getClass = function getClass () {
-	  return StringUtil
-	};
-	StringUtil.chars = function chars (c, n) {
-	  var ch = new Array(n).fill(null);
-	  for (var i = 0; i < n; i++) {
-	    ch[i] = c;
-	  }
-	  return String(ch)
-	};
-	StringUtil.getStackTrace = function getStackTrace () {
-	  if (arguments.length === 1) {
-	    var t = arguments[0];
-	    var os = new ByteArrayOutputStream();
-	    var ps = new PrintStream(os);
-	    t.printStackTrace(ps);
-	    return os.toString()
-	  } else if (arguments.length === 2) {
-	    var t$1 = arguments[0];
-	    var depth = arguments[1];
-	    var stackTrace = '';
-	    var stringReader = new StringReader(StringUtil.getStackTrace(t$1));
-	    var lineNumberReader = new LineNumberReader(stringReader);
-	    for (var i = 0; i < depth; i++) {
-	      try {
-	        stackTrace += lineNumberReader.readLine() + StringUtil.NEWLINE;
-	      } catch (e) {
-	        if (e instanceof IOException) {
-	          Assert.shouldNeverReachHere();
-	        } else { throw e }
-	      } finally {}
-	    }
-	    return stackTrace
-	  }
-	};
-	StringUtil.split = function split (s, separator) {
-	  var separatorlen = separator.length;
-	  var tokenList = new ArrayList();
-	  var tmpString = '' + s;
-	  var pos = tmpString.indexOf(separator);
-	  while (pos >= 0) {
-	    var token = tmpString.substring(0, pos);
-	    tokenList.add(token);
-	    tmpString = tmpString.substring(pos + separatorlen);
-	    pos = tmpString.indexOf(separator);
-	  }
-	  if (tmpString.length > 0) { tokenList.add(tmpString); }
-	  var res = new Array(tokenList.size()).fill(null);
-	  for (var i = 0; i < res.length; i++) {
-	    res[i] = tokenList.get(i);
-	  }
-	  return res
-	};
-	StringUtil.toString = function toString () {
-	  if (arguments.length === 1) {
-	    var d = arguments[0];
-	    return StringUtil.SIMPLE_ORDINATE_FORMAT.format(d)
-	  }
-	};
-	StringUtil.spaces = function spaces (n) {
-	  return StringUtil.chars(' ', n)
-	};
-	staticAccessors$15.NEWLINE.get = function () { return System.getProperty('line.separator') };
-	staticAccessors$15.SIMPLE_ORDINATE_FORMAT.get = function () { return new DecimalFormat('0.#') };
-
-	Object.defineProperties( StringUtil, staticAccessors$15 );
-
-	var CoordinateSequences = function CoordinateSequences () {};
-
-	CoordinateSequences.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CoordinateSequences.prototype.getClass = function getClass () {
-	  return CoordinateSequences
-	};
-	CoordinateSequences.copyCoord = function copyCoord (src, srcPos, dest, destPos) {
-	  var minDim = Math.min(src.getDimension(), dest.getDimension());
-	  for (var dim = 0; dim < minDim; dim++) {
-	    dest.setOrdinate(destPos, dim, src.getOrdinate(srcPos, dim));
-	  }
-	};
-	CoordinateSequences.isRing = function isRing (seq) {
-	  var n = seq.size();
-	  if (n === 0) { return true }
-	  if (n <= 3) { return false }
-	  return seq.getOrdinate(0, CoordinateSequence.X) === seq.getOrdinate(n - 1, CoordinateSequence.X) && seq.getOrdinate(0, CoordinateSequence.Y) === seq.getOrdinate(n - 1, CoordinateSequence.Y)
-	};
-	CoordinateSequences.isEqual = function isEqual (cs1, cs2) {
-	  var cs1Size = cs1.size();
-	  var cs2Size = cs2.size();
-	  if (cs1Size !== cs2Size) { return false }
-	  var dim = Math.min(cs1.getDimension(), cs2.getDimension());
-	  for (var i = 0; i < cs1Size; i++) {
-	    for (var d = 0; d < dim; d++) {
-	      var v1 = cs1.getOrdinate(i, d);
-	      var v2 = cs2.getOrdinate(i, d);
-	      if (cs1.getOrdinate(i, d) === cs2.getOrdinate(i, d)) { continue }
-	      if (Double.isNaN(v1) && Double.isNaN(v2)) { continue }
-	      return false
-	    }
-	  }
-	  return true
-	};
-	CoordinateSequences.extend = function extend (fact, seq, size) {
-	  var newseq = fact.create(size, seq.getDimension());
-	  var n = seq.size();
-	  CoordinateSequences.copy(seq, 0, newseq, 0, n);
-	  if (n > 0) {
-	    for (var i = n; i < size; i++) { CoordinateSequences.copy(seq, n - 1, newseq, i, 1); }
-	  }
-	  return newseq
-	};
-	CoordinateSequences.reverse = function reverse (seq) {
-	  var last = seq.size() - 1;
-	  var mid = Math.trunc(last / 2);
-	  for (var i = 0; i <= mid; i++) {
-	    CoordinateSequences.swap(seq, i, last - i);
-	  }
-	};
-	CoordinateSequences.swap = function swap (seq, i, j) {
-	  if (i === j) { return null }
-	  for (var dim = 0; dim < seq.getDimension(); dim++) {
-	    var tmp = seq.getOrdinate(i, dim);
-	    seq.setOrdinate(i, dim, seq.getOrdinate(j, dim));
-	    seq.setOrdinate(j, dim, tmp);
-	  }
-	};
-	CoordinateSequences.copy = function copy (src, srcPos, dest, destPos, length) {
-	  for (var i = 0; i < length; i++) {
-	    CoordinateSequences.copyCoord(src, srcPos + i, dest, destPos + i);
-	  }
-	};
-	CoordinateSequences.toString = function toString () {
-	  if (arguments.length === 1) {
-	    var cs = arguments[0];
-	    var size = cs.size();
-	    if (size === 0) { return '()' }
-	    var dim = cs.getDimension();
-	    var buf = new StringBuffer();
-	    buf.append('(');
-	    for (var i = 0; i < size; i++) {
-	      if (i > 0) { buf.append(' '); }
-	      for (var d = 0; d < dim; d++) {
-	        if (d > 0) { buf.append(','); }
-	        buf.append(StringUtil.toString(cs.getOrdinate(i, d)));
-	      }
-	    }
-	    buf.append(')');
-	    return buf.toString()
-	  }
-	};
-	CoordinateSequences.ensureValidRing = function ensureValidRing (fact, seq) {
-	  var n = seq.size();
-	  if (n === 0) { return seq }
-	  if (n <= 3) { return CoordinateSequences.createClosedRing(fact, seq, 4) }
-	  var isClosed = seq.getOrdinate(0, CoordinateSequence.X) === seq.getOrdinate(n - 1, CoordinateSequence.X) && seq.getOrdinate(0, CoordinateSequence.Y) === seq.getOrdinate(n - 1, CoordinateSequence.Y);
-	  if (isClosed) { return seq }
-	  return CoordinateSequences.createClosedRing(fact, seq, n + 1)
-	};
-	CoordinateSequences.createClosedRing = function createClosedRing (fact, seq, size) {
-	  var newseq = fact.create(size, seq.getDimension());
-	  var n = seq.size();
-	  CoordinateSequences.copy(seq, 0, newseq, 0, n);
-	  for (var i = n; i < size; i++) { CoordinateSequences.copy(seq, 0, newseq, i, 1); }
-	  return newseq
-	};
-
-	var LineString = (function (Geometry$$1) {
-	  function LineString (points, factory) {
-	    Geometry$$1.call(this, factory);
-	    this._points = null;
-	    this.init(points);
-	  }
-
-	  if ( Geometry$$1 ) LineString.__proto__ = Geometry$$1;
-	  LineString.prototype = Object.create( Geometry$$1 && Geometry$$1.prototype );
-	  LineString.prototype.constructor = LineString;
-
-	  var staticAccessors = { serialVersionUID: { configurable: true } };
-	  LineString.prototype.computeEnvelopeInternal = function computeEnvelopeInternal () {
-	    if (this.isEmpty()) {
-	      return new Envelope()
-	    }
-	    return this._points.expandEnvelope(new Envelope())
-	  };
-	  LineString.prototype.isRing = function isRing () {
-	    return this.isClosed() && this.isSimple()
-	  };
-	  LineString.prototype.getSortIndex = function getSortIndex () {
-	    return Geometry$$1.SORTINDEX_LINESTRING
-	  };
-	  LineString.prototype.getCoordinates = function getCoordinates () {
-	    return this._points.toCoordinateArray()
-	  };
-	  LineString.prototype.equalsExact = function equalsExact () {
-	    var this$1 = this;
-
-	    if (arguments.length === 2) {
-	      var other = arguments[0];
-	      var tolerance = arguments[1];
-	      if (!this.isEquivalentClass(other)) {
-	        return false
-	      }
-	      var otherLineString = other;
-	      if (this._points.size() !== otherLineString._points.size()) {
-	        return false
-	      }
-	      for (var i = 0; i < this._points.size(); i++) {
-	        if (!this$1.equal(this$1._points.getCoordinate(i), otherLineString._points.getCoordinate(i), tolerance)) {
-	          return false
-	        }
-	      }
-	      return true
-	    } else { return Geometry$$1.prototype.equalsExact.apply(this, arguments) }
-	  };
-	  LineString.prototype.normalize = function normalize () {
-	    var this$1 = this;
-
-	    for (var i = 0; i < Math.trunc(this._points.size() / 2); i++) {
-	      var j = this$1._points.size() - 1 - i;
-	      if (!this$1._points.getCoordinate(i).equals(this$1._points.getCoordinate(j))) {
-	        if (this$1._points.getCoordinate(i).compareTo(this$1._points.getCoordinate(j)) > 0) {
-	          CoordinateSequences.reverse(this$1._points);
-	        }
-	        return null
-	      }
-	    }
-	  };
-	  LineString.prototype.getCoordinate = function getCoordinate () {
-	    if (this.isEmpty()) { return null }
-	    return this._points.getCoordinate(0)
-	  };
-	  LineString.prototype.getBoundaryDimension = function getBoundaryDimension () {
-	    if (this.isClosed()) {
-	      return Dimension.FALSE
-	    }
-	    return 0
-	  };
-	  LineString.prototype.isClosed = function isClosed () {
-	    if (this.isEmpty()) {
-	      return false
-	    }
-	    return this.getCoordinateN(0).equals2D(this.getCoordinateN(this.getNumPoints() - 1))
-	  };
-	  LineString.prototype.getEndPoint = function getEndPoint () {
-	    if (this.isEmpty()) {
-	      return null
-	    }
-	    return this.getPointN(this.getNumPoints() - 1)
-	  };
-	  LineString.prototype.getDimension = function getDimension () {
-	    return 1
-	  };
-	  LineString.prototype.getLength = function getLength () {
-	    return CGAlgorithms.computeLength(this._points)
-	  };
-	  LineString.prototype.getNumPoints = function getNumPoints () {
-	    return this._points.size()
-	  };
-	  LineString.prototype.reverse = function reverse () {
-	    var seq = this._points.copy();
-	    CoordinateSequences.reverse(seq);
-	    var revLine = this.getFactory().createLineString(seq);
-	    return revLine
-	  };
-	  LineString.prototype.compareToSameClass = function compareToSameClass () {
-	    var this$1 = this;
-
-	    if (arguments.length === 1) {
-	      var o = arguments[0];
-	      var line = o;
-	      var i = 0;
-	      var j = 0;
-	      while (i < this._points.size() && j < line._points.size()) {
-	        var comparison = this$1._points.getCoordinate(i).compareTo(line._points.getCoordinate(j));
-	        if (comparison !== 0) {
-	          return comparison
-	        }
-	        i++;
-	        j++;
-	      }
-	      if (i < this._points.size()) {
-	        return 1
-	      }
-	      if (j < line._points.size()) {
-	        return -1
-	      }
-	      return 0
-	    } else if (arguments.length === 2) {
-	      var o$1 = arguments[0];
-	      var comp = arguments[1];
-	      var line$1 = o$1;
-	      return comp.compare(this._points, line$1._points)
-	    }
-	  };
-	  LineString.prototype.apply = function apply () {
-	    var this$1 = this;
-
-	    if (hasInterface(arguments[0], CoordinateFilter)) {
-	      var filter = arguments[0];
-	      for (var i = 0; i < this._points.size(); i++) {
-	        filter.filter(this$1._points.getCoordinate(i));
-	      }
-	    } else if (hasInterface(arguments[0], CoordinateSequenceFilter)) {
-	      var filter$1 = arguments[0];
-	      if (this._points.size() === 0) { return null }
-	      for (var i$1 = 0; i$1 < this._points.size(); i$1++) {
-	        filter$1.filter(this$1._points, i$1);
-	        if (filter$1.isDone()) { break }
-	      }
-	      if (filter$1.isGeometryChanged()) { this.geometryChanged(); }
-	    } else if (hasInterface(arguments[0], GeometryFilter)) {
-	      var filter$2 = arguments[0];
-	      filter$2.filter(this);
-	    } else if (hasInterface(arguments[0], GeometryComponentFilter)) {
-	      var filter$3 = arguments[0];
-	      filter$3.filter(this);
-	    }
-	  };
-	  LineString.prototype.getBoundary = function getBoundary () {
-	    return new BoundaryOp(this).getBoundary()
-	  };
-	  LineString.prototype.isEquivalentClass = function isEquivalentClass (other) {
-	    return other instanceof LineString
-	  };
-	  LineString.prototype.clone = function clone () {
-	    var ls = Geometry$$1.prototype.clone.call(this);
-	    ls._points = this._points.clone();
-	    return ls
-	  };
-	  LineString.prototype.getCoordinateN = function getCoordinateN (n) {
-	    return this._points.getCoordinate(n)
-	  };
-	  LineString.prototype.getGeometryType = function getGeometryType () {
-	    return 'LineString'
-	  };
-	  LineString.prototype.copy = function copy () {
-	    return new LineString(this._points.copy(), this._factory)
-	  };
-	  LineString.prototype.getCoordinateSequence = function getCoordinateSequence () {
-	    return this._points
-	  };
-	  LineString.prototype.isEmpty = function isEmpty () {
-	    return this._points.size() === 0
-	  };
-	  LineString.prototype.init = function init (points) {
-	    if (points === null) {
-	      points = this.getFactory().getCoordinateSequenceFactory().create([]);
-	    }
-	    if (points.size() === 1) {
-	      throw new IllegalArgumentException('Invalid number of points in LineString (found ' + points.size() + ' - must be 0 or >= 2)')
-	    }
-	    this._points = points;
-	  };
-	  LineString.prototype.isCoordinate = function isCoordinate (pt) {
-	    var this$1 = this;
-
-	    for (var i = 0; i < this._points.size(); i++) {
-	      if (this$1._points.getCoordinate(i).equals(pt)) {
-	        return true
-	      }
-	    }
-	    return false
-	  };
-	  LineString.prototype.getStartPoint = function getStartPoint () {
-	    if (this.isEmpty()) {
-	      return null
-	    }
-	    return this.getPointN(0)
-	  };
-	  LineString.prototype.getPointN = function getPointN (n) {
-	    return this.getFactory().createPoint(this._points.getCoordinate(n))
-	  };
-	  LineString.prototype.interfaces_ = function interfaces_ () {
-	    return [Lineal]
-	  };
-	  LineString.prototype.getClass = function getClass () {
-	    return LineString
-	  };
-	  staticAccessors.serialVersionUID.get = function () { return 3110669828065365560 };
-
-	  Object.defineProperties( LineString, staticAccessors );
-
-	  return LineString;
-	}(Geometry));
-
-	var Puntal = function Puntal () {};
-
-	Puntal.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Puntal.prototype.getClass = function getClass () {
-	  return Puntal
-	};
-
-	var Point$1 = (function (Geometry$$1) {
-	  function Point (coordinates, factory) {
-	    Geometry$$1.call(this, factory);
-	    this._coordinates = coordinates || null;
-	    this.init(this._coordinates);
-	  }
-
-	  if ( Geometry$$1 ) Point.__proto__ = Geometry$$1;
-	  Point.prototype = Object.create( Geometry$$1 && Geometry$$1.prototype );
-	  Point.prototype.constructor = Point;
-
-	  var staticAccessors = { serialVersionUID: { configurable: true } };
-	  Point.prototype.computeEnvelopeInternal = function computeEnvelopeInternal () {
-	    if (this.isEmpty()) {
-	      return new Envelope()
-	    }
-	    var env = new Envelope();
-	    env.expandToInclude(this._coordinates.getX(0), this._coordinates.getY(0));
-	    return env
-	  };
-	  Point.prototype.getSortIndex = function getSortIndex () {
-	    return Geometry$$1.SORTINDEX_POINT
-	  };
-	  Point.prototype.getCoordinates = function getCoordinates () {
-	    return this.isEmpty() ? [] : [this.getCoordinate()]
-	  };
-	  Point.prototype.equalsExact = function equalsExact () {
-	    if (arguments.length === 2) {
-	      var other = arguments[0];
-	      var tolerance = arguments[1];
-	      if (!this.isEquivalentClass(other)) {
-	        return false
-	      }
-	      if (this.isEmpty() && other.isEmpty()) {
-	        return true
-	      }
-	      if (this.isEmpty() !== other.isEmpty()) {
-	        return false
-	      }
-	      return this.equal(other.getCoordinate(), this.getCoordinate(), tolerance)
-	    } else { return Geometry$$1.prototype.equalsExact.apply(this, arguments) }
-	  };
-	  Point.prototype.normalize = function normalize () {};
-	  Point.prototype.getCoordinate = function getCoordinate () {
-	    return this._coordinates.size() !== 0 ? this._coordinates.getCoordinate(0) : null
-	  };
-	  Point.prototype.getBoundaryDimension = function getBoundaryDimension () {
-	    return Dimension.FALSE
-	  };
-	  Point.prototype.getDimension = function getDimension () {
-	    return 0
-	  };
-	  Point.prototype.getNumPoints = function getNumPoints () {
-	    return this.isEmpty() ? 0 : 1
-	  };
-	  Point.prototype.reverse = function reverse () {
-	    return this.copy()
-	  };
-	  Point.prototype.getX = function getX () {
-	    if (this.getCoordinate() === null) {
-	      throw new Error('getX called on empty Point')
-	    }
-	    return this.getCoordinate().x
-	  };
-	  Point.prototype.compareToSameClass = function compareToSameClass () {
-	    if (arguments.length === 1) {
-	      var other = arguments[0];
-	      var point$1 = other;
-	      return this.getCoordinate().compareTo(point$1.getCoordinate())
-	    } else if (arguments.length === 2) {
-	      var other$1 = arguments[0];
-	      var comp = arguments[1];
-	      var point = other$1;
-	      return comp.compare(this._coordinates, point._coordinates)
-	    }
-	  };
-	  Point.prototype.apply = function apply () {
-	    if (hasInterface(arguments[0], CoordinateFilter)) {
-	      var filter = arguments[0];
-	      if (this.isEmpty()) {
-	        return null
-	      }
-	      filter.filter(this.getCoordinate());
-	    } else if (hasInterface(arguments[0], CoordinateSequenceFilter)) {
-	      var filter$1 = arguments[0];
-	      if (this.isEmpty()) { return null }
-	      filter$1.filter(this._coordinates, 0);
-	      if (filter$1.isGeometryChanged()) { this.geometryChanged(); }
-	    } else if (hasInterface(arguments[0], GeometryFilter)) {
-	      var filter$2 = arguments[0];
-	      filter$2.filter(this);
-	    } else if (hasInterface(arguments[0], GeometryComponentFilter)) {
-	      var filter$3 = arguments[0];
-	      filter$3.filter(this);
-	    }
-	  };
-	  Point.prototype.getBoundary = function getBoundary () {
-	    return this.getFactory().createGeometryCollection(null)
-	  };
-	  Point.prototype.clone = function clone () {
-	    var p = Geometry$$1.prototype.clone.call(this);
-	    p._coordinates = this._coordinates.clone();
-	    return p
-	  };
-	  Point.prototype.getGeometryType = function getGeometryType () {
-	    return 'Point'
-	  };
-	  Point.prototype.copy = function copy () {
-	    return new Point(this._coordinates.copy(), this._factory)
-	  };
-	  Point.prototype.getCoordinateSequence = function getCoordinateSequence () {
-	    return this._coordinates
-	  };
-	  Point.prototype.getY = function getY () {
-	    if (this.getCoordinate() === null) {
-	      throw new Error('getY called on empty Point')
-	    }
-	    return this.getCoordinate().y
-	  };
-	  Point.prototype.isEmpty = function isEmpty () {
-	    return this._coordinates.size() === 0
-	  };
-	  Point.prototype.init = function init (coordinates) {
-	    if (coordinates === null) {
-	      coordinates = this.getFactory().getCoordinateSequenceFactory().create([]);
-	    }
-	    Assert.isTrue(coordinates.size() <= 1);
-	    this._coordinates = coordinates;
-	  };
-	  Point.prototype.isSimple = function isSimple () {
-	    return true
-	  };
-	  Point.prototype.interfaces_ = function interfaces_ () {
-	    return [Puntal]
-	  };
-	  Point.prototype.getClass = function getClass () {
-	    return Point
-	  };
-	  staticAccessors.serialVersionUID.get = function () { return 4902022702746614570 };
-
-	  Object.defineProperties( Point, staticAccessors );
-
-	  return Point;
-	}(Geometry));
-
-	var Polygonal = function Polygonal () {};
-
-	Polygonal.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Polygonal.prototype.getClass = function getClass () {
-	  return Polygonal
-	};
-
-	var Polygon = (function (Geometry$$1) {
-	  function Polygon (shell, holes, factory) {
-	    Geometry$$1.call(this, factory);
-	    this._shell = null;
-	    this._holes = null;
-	    if (shell === null) {
-	      shell = this.getFactory().createLinearRing();
-	    }
-	    if (holes === null) {
-	      holes = [];
-	    }
-	    if (Geometry$$1.hasNullElements(holes)) {
-	      throw new IllegalArgumentException('holes must not contain null elements')
-	    }
-	    if (shell.isEmpty() && Geometry$$1.hasNonEmptyElements(holes)) {
-	      throw new IllegalArgumentException('shell is empty but holes are not')
-	    }
-	    this._shell = shell;
-	    this._holes = holes;
-	  }
-
-	  if ( Geometry$$1 ) Polygon.__proto__ = Geometry$$1;
-	  Polygon.prototype = Object.create( Geometry$$1 && Geometry$$1.prototype );
-	  Polygon.prototype.constructor = Polygon;
-
-	  var staticAccessors = { serialVersionUID: { configurable: true } };
-	  Polygon.prototype.computeEnvelopeInternal = function computeEnvelopeInternal () {
-	    return this._shell.getEnvelopeInternal()
-	  };
-	  Polygon.prototype.getSortIndex = function getSortIndex () {
-	    return Geometry$$1.SORTINDEX_POLYGON
-	  };
-	  Polygon.prototype.getCoordinates = function getCoordinates () {
-	    var this$1 = this;
-
-	    if (this.isEmpty()) {
-	      return []
-	    }
-	    var coordinates = new Array(this.getNumPoints()).fill(null);
-	    var k = -1;
-	    var shellCoordinates = this._shell.getCoordinates();
-	    for (var x = 0; x < shellCoordinates.length; x++) {
-	      k++;
-	      coordinates[k] = shellCoordinates[x];
-	    }
-	    for (var i = 0; i < this._holes.length; i++) {
-	      var childCoordinates = this$1._holes[i].getCoordinates();
-	      for (var j = 0; j < childCoordinates.length; j++) {
-	        k++;
-	        coordinates[k] = childCoordinates[j];
-	      }
-	    }
-	    return coordinates
-	  };
-	  Polygon.prototype.getArea = function getArea () {
-	    var this$1 = this;
-
-	    var area = 0.0;
-	    area += Math.abs(CGAlgorithms.signedArea(this._shell.getCoordinateSequence()));
-	    for (var i = 0; i < this._holes.length; i++) {
-	      area -= Math.abs(CGAlgorithms.signedArea(this$1._holes[i].getCoordinateSequence()));
-	    }
-	    return area
-	  };
-	  Polygon.prototype.isRectangle = function isRectangle () {
-	    if (this.getNumInteriorRing() !== 0) { return false }
-	    if (this._shell === null) { return false }
-	    if (this._shell.getNumPoints() !== 5) { return false }
-	    var seq = this._shell.getCoordinateSequence();
-	    var env = this.getEnvelopeInternal();
-	    for (var i = 0; i < 5; i++) {
-	      var x = seq.getX(i);
-	      if (!(x === env.getMinX() || x === env.getMaxX())) { return false }
-	      var y = seq.getY(i);
-	      if (!(y === env.getMinY() || y === env.getMaxY())) { return false }
-	    }
-	    var prevX = seq.getX(0);
-	    var prevY = seq.getY(0);
-	    for (var i$1 = 1; i$1 <= 4; i$1++) {
-	      var x$1 = seq.getX(i$1);
-	      var y$1 = seq.getY(i$1);
-	      var xChanged = x$1 !== prevX;
-	      var yChanged = y$1 !== prevY;
-	      if (xChanged === yChanged) { return false }
-	      prevX = x$1;
-	      prevY = y$1;
-	    }
-	    return true
-	  };
-	  Polygon.prototype.equalsExact = function equalsExact () {
-	    var this$1 = this;
-
-	    if (arguments.length === 2) {
-	      var other = arguments[0];
-	      var tolerance = arguments[1];
-	      if (!this.isEquivalentClass(other)) {
-	        return false
-	      }
-	      var otherPolygon = other;
-	      var thisShell = this._shell;
-	      var otherPolygonShell = otherPolygon._shell;
-	      if (!thisShell.equalsExact(otherPolygonShell, tolerance)) {
-	        return false
-	      }
-	      if (this._holes.length !== otherPolygon._holes.length) {
-	        return false
-	      }
-	      for (var i = 0; i < this._holes.length; i++) {
-	        if (!this$1._holes[i].equalsExact(otherPolygon._holes[i], tolerance)) {
-	          return false
-	        }
-	      }
-	      return true
-	    } else { return Geometry$$1.prototype.equalsExact.apply(this, arguments) }
-	  };
-	  Polygon.prototype.normalize = function normalize () {
-	    var this$1 = this;
-
-	    if (arguments.length === 0) {
-	      this.normalize(this._shell, true);
-	      for (var i = 0; i < this._holes.length; i++) {
-	        this$1.normalize(this$1._holes[i], false);
-	      }
-	      Arrays.sort(this._holes);
-	    } else if (arguments.length === 2) {
-	      var ring = arguments[0];
-	      var clockwise = arguments[1];
-	      if (ring.isEmpty()) {
-	        return null
-	      }
-	      var uniqueCoordinates = new Array(ring.getCoordinates().length - 1).fill(null);
-	      System.arraycopy(ring.getCoordinates(), 0, uniqueCoordinates, 0, uniqueCoordinates.length);
-	      var minCoordinate = CoordinateArrays.minCoordinate(ring.getCoordinates());
-	      CoordinateArrays.scroll(uniqueCoordinates, minCoordinate);
-	      System.arraycopy(uniqueCoordinates, 0, ring.getCoordinates(), 0, uniqueCoordinates.length);
-	      ring.getCoordinates()[uniqueCoordinates.length] = uniqueCoordinates[0];
-	      if (CGAlgorithms.isCCW(ring.getCoordinates()) === clockwise) {
-	        CoordinateArrays.reverse(ring.getCoordinates());
-	      }
-	    }
-	  };
-	  Polygon.prototype.getCoordinate = function getCoordinate () {
-	    return this._shell.getCoordinate()
-	  };
-	  Polygon.prototype.getNumInteriorRing = function getNumInteriorRing () {
-	    return this._holes.length
-	  };
-	  Polygon.prototype.getBoundaryDimension = function getBoundaryDimension () {
-	    return 1
-	  };
-	  Polygon.prototype.getDimension = function getDimension () {
-	    return 2
-	  };
-	  Polygon.prototype.getLength = function getLength () {
-	    var this$1 = this;
-
-	    var len = 0.0;
-	    len += this._shell.getLength();
-	    for (var i = 0; i < this._holes.length; i++) {
-	      len += this$1._holes[i].getLength();
-	    }
-	    return len
-	  };
-	  Polygon.prototype.getNumPoints = function getNumPoints () {
-	    var this$1 = this;
-
-	    var numPoints = this._shell.getNumPoints();
-	    for (var i = 0; i < this._holes.length; i++) {
-	      numPoints += this$1._holes[i].getNumPoints();
-	    }
-	    return numPoints
-	  };
-	  Polygon.prototype.reverse = function reverse () {
-	    var this$1 = this;
-
-	    var poly = this.copy();
-	    poly._shell = this._shell.copy().reverse();
-	    poly._holes = new Array(this._holes.length).fill(null);
-	    for (var i = 0; i < this._holes.length; i++) {
-	      poly._holes[i] = this$1._holes[i].copy().reverse();
-	    }
-	    return poly
-	  };
-	  Polygon.prototype.convexHull = function convexHull () {
-	    return this.getExteriorRing().convexHull()
-	  };
-	  Polygon.prototype.compareToSameClass = function compareToSameClass () {
-	    var this$1 = this;
-
-	    if (arguments.length === 1) {
-	      var o = arguments[0];
-	      var thisShell = this._shell;
-	      var otherShell = o._shell;
-	      return thisShell.compareToSameClass(otherShell)
-	    } else if (arguments.length === 2) {
-	      var o$1 = arguments[0];
-	      var comp = arguments[1];
-	      var poly = o$1;
-	      var thisShell$1 = this._shell;
-	      var otherShell$1 = poly._shell;
-	      var shellComp = thisShell$1.compareToSameClass(otherShell$1, comp);
-	      if (shellComp !== 0) { return shellComp }
-	      var nHole1 = this.getNumInteriorRing();
-	      var nHole2 = poly.getNumInteriorRing();
-	      var i = 0;
-	      while (i < nHole1 && i < nHole2) {
-	        var thisHole = this$1.getInteriorRingN(i);
-	        var otherHole = poly.getInteriorRingN(i);
-	        var holeComp = thisHole.compareToSameClass(otherHole, comp);
-	        if (holeComp !== 0) { return holeComp }
-	        i++;
-	      }
-	      if (i < nHole1) { return 1 }
-	      if (i < nHole2) { return -1 }
-	      return 0
-	    }
-	  };
-	  Polygon.prototype.apply = function apply (filter) {
-	    var this$1 = this;
-
-	    if (hasInterface(filter, CoordinateFilter)) {
-	      this._shell.apply(filter);
-	      for (var i$1 = 0; i$1 < this._holes.length; i$1++) {
-	        this$1._holes[i$1].apply(filter);
-	      }
-	    } else if (hasInterface(filter, CoordinateSequenceFilter)) {
-	      this._shell.apply(filter);
-	      if (!filter.isDone()) {
-	        for (var i$2 = 0; i$2 < this._holes.length; i$2++) {
-	          this$1._holes[i$2].apply(filter);
-	          if (filter.isDone()) { break }
-	        }
-	      }
-	      if (filter.isGeometryChanged()) { this.geometryChanged(); }
-	    } else if (hasInterface(filter, GeometryFilter)) {
-	      filter.filter(this);
-	    } else if (hasInterface(filter, GeometryComponentFilter)) {
-	      filter.filter(this);
-	      this._shell.apply(filter);
-	      for (var i = 0; i < this._holes.length; i++) {
-	        this$1._holes[i].apply(filter);
-	      }
-	    }
-	  };
-	  Polygon.prototype.getBoundary = function getBoundary () {
-	    var this$1 = this;
-
-	    if (this.isEmpty()) {
-	      return this.getFactory().createMultiLineString()
-	    }
-	    var rings = new Array(this._holes.length + 1).fill(null);
-	    rings[0] = this._shell;
-	    for (var i = 0; i < this._holes.length; i++) {
-	      rings[i + 1] = this$1._holes[i];
-	    }
-	    if (rings.length <= 1) { return this.getFactory().createLinearRing(rings[0].getCoordinateSequence()) }
-	    return this.getFactory().createMultiLineString(rings)
-	  };
-	  Polygon.prototype.clone = function clone () {
-	    var this$1 = this;
-
-	    var poly = Geometry$$1.prototype.clone.call(this);
-	    poly._shell = this._shell.clone();
-	    poly._holes = new Array(this._holes.length).fill(null);
-	    for (var i = 0; i < this._holes.length; i++) {
-	      poly._holes[i] = this$1._holes[i].clone();
-	    }
-	    return poly
-	  };
-	  Polygon.prototype.getGeometryType = function getGeometryType () {
-	    return 'Polygon'
-	  };
-	  Polygon.prototype.copy = function copy () {
-	    var this$1 = this;
-
-	    var shell = this._shell.copy();
-	    var holes = new Array(this._holes.length).fill(null);
-	    for (var i = 0; i < holes.length; i++) {
-	      holes[i] = this$1._holes[i].copy();
-	    }
-	    return new Polygon(shell, holes, this._factory)
-	  };
-	  Polygon.prototype.getExteriorRing = function getExteriorRing () {
-	    return this._shell
-	  };
-	  Polygon.prototype.isEmpty = function isEmpty () {
-	    return this._shell.isEmpty()
-	  };
-	  Polygon.prototype.getInteriorRingN = function getInteriorRingN (n) {
-	    return this._holes[n]
-	  };
-	  Polygon.prototype.interfaces_ = function interfaces_ () {
-	    return [Polygonal]
-	  };
-	  Polygon.prototype.getClass = function getClass () {
-	    return Polygon
-	  };
-	  staticAccessors.serialVersionUID.get = function () { return -3494792200821764533 };
-
-	  Object.defineProperties( Polygon, staticAccessors );
-
-	  return Polygon;
-	}(Geometry));
-
-	var MultiPoint = (function (GeometryCollection$$1) {
-	  function MultiPoint () {
-	    GeometryCollection$$1.apply(this, arguments);
-	  }
-
-	  if ( GeometryCollection$$1 ) MultiPoint.__proto__ = GeometryCollection$$1;
-	  MultiPoint.prototype = Object.create( GeometryCollection$$1 && GeometryCollection$$1.prototype );
-	  MultiPoint.prototype.constructor = MultiPoint;
-
-	  var staticAccessors = { serialVersionUID: { configurable: true } };
-
-	  MultiPoint.prototype.getSortIndex = function getSortIndex () {
-	    return Geometry.SORTINDEX_MULTIPOINT
-	  };
-	  MultiPoint.prototype.isValid = function isValid () {
-	    return true
-	  };
-	  MultiPoint.prototype.equalsExact = function equalsExact () {
-	    if (arguments.length === 2) {
-	      var other = arguments[0];
-	      var tolerance = arguments[1];
-	      if (!this.isEquivalentClass(other)) {
-	        return false
-	      }
-	      return GeometryCollection$$1.prototype.equalsExact.call(this, other, tolerance)
-	    } else { return GeometryCollection$$1.prototype.equalsExact.apply(this, arguments) }
-	  };
-	  MultiPoint.prototype.getCoordinate = function getCoordinate () {
-	    if (arguments.length === 1) {
-	      var n = arguments[0];
-	      return this._geometries[n].getCoordinate()
-	    } else { return GeometryCollection$$1.prototype.getCoordinate.apply(this, arguments) }
-	  };
-	  MultiPoint.prototype.getBoundaryDimension = function getBoundaryDimension () {
-	    return Dimension.FALSE
-	  };
-	  MultiPoint.prototype.getDimension = function getDimension () {
-	    return 0
-	  };
-	  MultiPoint.prototype.getBoundary = function getBoundary () {
-	    return this.getFactory().createGeometryCollection(null)
-	  };
-	  MultiPoint.prototype.getGeometryType = function getGeometryType () {
-	    return 'MultiPoint'
-	  };
-	  MultiPoint.prototype.copy = function copy () {
-	    var this$1 = this;
-
-	    var points = new Array(this._geometries.length).fill(null);
-	    for (var i = 0; i < points.length; i++) {
-	      points[i] = this$1._geometries[i].copy();
-	    }
-	    return new MultiPoint(points, this._factory)
-	  };
-	  MultiPoint.prototype.interfaces_ = function interfaces_ () {
-	    return [Puntal]
-	  };
-	  MultiPoint.prototype.getClass = function getClass () {
-	    return MultiPoint
-	  };
-	  staticAccessors.serialVersionUID.get = function () { return -8048474874175355449 };
-
-	  Object.defineProperties( MultiPoint, staticAccessors );
-
-	  return MultiPoint;
-	}(GeometryCollection));
-
-	var LinearRing = (function (LineString$$1) {
-	  function LinearRing (points, factory) {
-	    if (points instanceof Coordinate && factory instanceof GeometryFactory) {
-	      points = factory.getCoordinateSequenceFactory().create(points);
-	    }
-	    LineString$$1.call(this, points, factory);
-	    this.validateConstruction();
-	  }
-
-	  if ( LineString$$1 ) LinearRing.__proto__ = LineString$$1;
-	  LinearRing.prototype = Object.create( LineString$$1 && LineString$$1.prototype );
-	  LinearRing.prototype.constructor = LinearRing;
-
-	  var staticAccessors = { MINIMUM_VALID_SIZE: { configurable: true },serialVersionUID: { configurable: true } };
-	  LinearRing.prototype.getSortIndex = function getSortIndex () {
-	    return Geometry.SORTINDEX_LINEARRING
-	  };
-	  LinearRing.prototype.getBoundaryDimension = function getBoundaryDimension () {
-	    return Dimension.FALSE
-	  };
-	  LinearRing.prototype.isClosed = function isClosed () {
-	    if (this.isEmpty()) {
-	      return true
-	    }
-	    return LineString$$1.prototype.isClosed.call(this)
-	  };
-	  LinearRing.prototype.reverse = function reverse () {
-	    var seq = this._points.copy();
-	    CoordinateSequences.reverse(seq);
-	    var rev = this.getFactory().createLinearRing(seq);
-	    return rev
-	  };
-	  LinearRing.prototype.validateConstruction = function validateConstruction () {
-	    if (!this.isEmpty() && !LineString$$1.prototype.isClosed.call(this)) {
-	      throw new IllegalArgumentException('Points of LinearRing do not form a closed linestring')
-	    }
-	    if (this.getCoordinateSequence().size() >= 1 && this.getCoordinateSequence().size() < LinearRing.MINIMUM_VALID_SIZE) {
-	      throw new IllegalArgumentException('Invalid number of points in LinearRing (found ' + this.getCoordinateSequence().size() + ' - must be 0 or >= 4)')
-	    }
-	  };
-	  LinearRing.prototype.getGeometryType = function getGeometryType () {
-	    return 'LinearRing'
-	  };
-	  LinearRing.prototype.copy = function copy () {
-	    return new LinearRing(this._points.copy(), this._factory)
-	  };
-	  LinearRing.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  LinearRing.prototype.getClass = function getClass () {
-	    return LinearRing
-	  };
-	  staticAccessors.MINIMUM_VALID_SIZE.get = function () { return 4 };
-	  staticAccessors.serialVersionUID.get = function () { return -4261142084085851829 };
-
-	  Object.defineProperties( LinearRing, staticAccessors );
-
-	  return LinearRing;
-	}(LineString));
-
-	var MultiPolygon = (function (GeometryCollection$$1) {
-	  function MultiPolygon () {
-	    GeometryCollection$$1.apply(this, arguments);
-	  }
-
-	  if ( GeometryCollection$$1 ) MultiPolygon.__proto__ = GeometryCollection$$1;
-	  MultiPolygon.prototype = Object.create( GeometryCollection$$1 && GeometryCollection$$1.prototype );
-	  MultiPolygon.prototype.constructor = MultiPolygon;
-
-	  var staticAccessors = { serialVersionUID: { configurable: true } };
-
-	  MultiPolygon.prototype.getSortIndex = function getSortIndex () {
-	    return Geometry.SORTINDEX_MULTIPOLYGON
-	  };
-	  MultiPolygon.prototype.equalsExact = function equalsExact () {
-	    if (arguments.length === 2) {
-	      var other = arguments[0];
-	      var tolerance = arguments[1];
-	      if (!this.isEquivalentClass(other)) {
-	        return false
-	      }
-	      return GeometryCollection$$1.prototype.equalsExact.call(this, other, tolerance)
-	    } else { return GeometryCollection$$1.prototype.equalsExact.apply(this, arguments) }
-	  };
-	  MultiPolygon.prototype.getBoundaryDimension = function getBoundaryDimension () {
-	    return 1
-	  };
-	  MultiPolygon.prototype.getDimension = function getDimension () {
-	    return 2
-	  };
-	  MultiPolygon.prototype.reverse = function reverse () {
-	    var this$1 = this;
-
-	    var n = this._geometries.length;
-	    var revGeoms = new Array(n).fill(null);
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      revGeoms[i] = this$1._geometries[i].reverse();
-	    }
-	    return this.getFactory().createMultiPolygon(revGeoms)
-	  };
-	  MultiPolygon.prototype.getBoundary = function getBoundary () {
-	    var this$1 = this;
-
-	    if (this.isEmpty()) {
-	      return this.getFactory().createMultiLineString()
-	    }
-	    var allRings = new ArrayList();
-	    for (var i = 0; i < this._geometries.length; i++) {
-	      var polygon = this$1._geometries[i];
-	      var rings = polygon.getBoundary();
-	      for (var j = 0; j < rings.getNumGeometries(); j++) {
-	        allRings.add(rings.getGeometryN(j));
-	      }
-	    }
-	    var allRingsArray = new Array(allRings.size()).fill(null);
-	    return this.getFactory().createMultiLineString(allRings.toArray(allRingsArray))
-	  };
-	  MultiPolygon.prototype.getGeometryType = function getGeometryType () {
-	    return 'MultiPolygon'
-	  };
-	  MultiPolygon.prototype.copy = function copy () {
-	    var this$1 = this;
-
-	    var polygons = new Array(this._geometries.length).fill(null);
-	    for (var i = 0; i < polygons.length; i++) {
-	      polygons[i] = this$1._geometries[i].copy();
-	    }
-	    return new MultiPolygon(polygons, this._factory)
-	  };
-	  MultiPolygon.prototype.interfaces_ = function interfaces_ () {
-	    return [Polygonal]
-	  };
-	  MultiPolygon.prototype.getClass = function getClass () {
-	    return MultiPolygon
-	  };
-	  staticAccessors.serialVersionUID.get = function () { return -551033529766975875 };
-
-	  Object.defineProperties( MultiPolygon, staticAccessors );
-
-	  return MultiPolygon;
-	}(GeometryCollection));
-
-	var GeometryEditor = function GeometryEditor (factory) {
-	  this._factory = factory || null;
-	  this._isUserDataCopied = false;
-	};
-
-	var staticAccessors$16 = { NoOpGeometryOperation: { configurable: true },CoordinateOperation: { configurable: true },CoordinateSequenceOperation: { configurable: true } };
-	GeometryEditor.prototype.setCopyUserData = function setCopyUserData (isUserDataCopied) {
-	  this._isUserDataCopied = isUserDataCopied;
-	};
-	GeometryEditor.prototype.edit = function edit (geometry, operation) {
-	  if (geometry === null) { return null }
-	  var result = this.editInternal(geometry, operation);
-	  if (this._isUserDataCopied) {
-	    result.setUserData(geometry.getUserData());
-	  }
-	  return result
-	};
-	GeometryEditor.prototype.editInternal = function editInternal (geometry, operation) {
-	  if (this._factory === null) { this._factory = geometry.getFactory(); }
-	  if (geometry instanceof GeometryCollection) {
-	    return this.editGeometryCollection(geometry, operation)
-	  }
-	  if (geometry instanceof Polygon) {
-	    return this.editPolygon(geometry, operation)
-	  }
-	  if (geometry instanceof Point$1) {
-	    return operation.edit(geometry, this._factory)
-	  }
-	  if (geometry instanceof LineString) {
-	    return operation.edit(geometry, this._factory)
-	  }
-	  Assert.shouldNeverReachHere('Unsupported Geometry class: ' + geometry.getClass().getName());
-	  return null
-	};
-	GeometryEditor.prototype.editGeometryCollection = function editGeometryCollection (collection, operation) {
-	    var this$1 = this;
-
-	  var collectionForType = operation.edit(collection, this._factory);
-	  var geometries = new ArrayList();
-	  for (var i = 0; i < collectionForType.getNumGeometries(); i++) {
-	    var geometry = this$1.edit(collectionForType.getGeometryN(i), operation);
-	    if (geometry === null || geometry.isEmpty()) {
-	      continue
-	    }
-	    geometries.add(geometry);
-	  }
-	  if (collectionForType.getClass() === MultiPoint) {
-	    return this._factory.createMultiPoint(geometries.toArray([]))
-	  }
-	  if (collectionForType.getClass() === MultiLineString) {
-	    return this._factory.createMultiLineString(geometries.toArray([]))
-	  }
-	  if (collectionForType.getClass() === MultiPolygon) {
-	    return this._factory.createMultiPolygon(geometries.toArray([]))
-	  }
-	  return this._factory.createGeometryCollection(geometries.toArray([]))
-	};
-	GeometryEditor.prototype.editPolygon = function editPolygon (polygon, operation) {
-	    var this$1 = this;
-
-	  var newPolygon = operation.edit(polygon, this._factory);
-	  if (newPolygon === null) { newPolygon = this._factory.createPolygon(null); }
-	  if (newPolygon.isEmpty()) {
-	    return newPolygon
-	  }
-	  var shell = this.edit(newPolygon.getExteriorRing(), operation);
-	  if (shell === null || shell.isEmpty()) {
-	    return this._factory.createPolygon()
-	  }
-	  var holes = new ArrayList();
-	  for (var i = 0; i < newPolygon.getNumInteriorRing(); i++) {
-	    var hole = this$1.edit(newPolygon.getInteriorRingN(i), operation);
-	    if (hole === null || hole.isEmpty()) {
-	      continue
-	    }
-	    holes.add(hole);
-	  }
-	  return this._factory.createPolygon(shell, holes.toArray([]))
-	};
-	GeometryEditor.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryEditor.prototype.getClass = function getClass () {
-	  return GeometryEditor
-	};
-	GeometryEditor.GeometryEditorOperation = function GeometryEditorOperation () {};
-	staticAccessors$16.NoOpGeometryOperation.get = function () { return NoOpGeometryOperation };
-	staticAccessors$16.CoordinateOperation.get = function () { return CoordinateOperation };
-	staticAccessors$16.CoordinateSequenceOperation.get = function () { return CoordinateSequenceOperation };
-
-	Object.defineProperties( GeometryEditor, staticAccessors$16 );
-
-	var NoOpGeometryOperation = function NoOpGeometryOperation () {};
-
-	NoOpGeometryOperation.prototype.edit = function edit (geometry, factory) {
-	  return geometry
-	};
-	NoOpGeometryOperation.prototype.interfaces_ = function interfaces_ () {
-	  return [GeometryEditor.GeometryEditorOperation]
-	};
-	NoOpGeometryOperation.prototype.getClass = function getClass () {
-	  return NoOpGeometryOperation
-	};
-
-	var CoordinateOperation = function CoordinateOperation () {};
-
-	CoordinateOperation.prototype.edit = function edit (geometry, factory) {
-	  var coords = this.editCoordinates(geometry.getCoordinates(), geometry);
-	  if (coords === null) { return geometry }
-	  if (geometry instanceof LinearRing) {
-	    return factory.createLinearRing(coords)
-	  }
-	  if (geometry instanceof LineString) {
-	    return factory.createLineString(coords)
-	  }
-	  if (geometry instanceof Point$1) {
-	    if (coords.length > 0) {
-	      return factory.createPoint(coords[0])
-	    } else {
-	      return factory.createPoint()
-	    }
-	  }
-	  return geometry
-	};
-	CoordinateOperation.prototype.interfaces_ = function interfaces_ () {
-	  return [GeometryEditor.GeometryEditorOperation]
-	};
-	CoordinateOperation.prototype.getClass = function getClass () {
-	  return CoordinateOperation
-	};
-
-	var CoordinateSequenceOperation = function CoordinateSequenceOperation () {};
-
-	CoordinateSequenceOperation.prototype.edit = function edit (geometry, factory) {
-	  if (geometry instanceof LinearRing) {
-	    return factory.createLinearRing(this.edit(geometry.getCoordinateSequence(), geometry))
-	  }
-	  if (geometry instanceof LineString) {
-	    return factory.createLineString(this.edit(geometry.getCoordinateSequence(), geometry))
-	  }
-	  if (geometry instanceof Point$1) {
-	    return factory.createPoint(this.edit(geometry.getCoordinateSequence(), geometry))
-	  }
-	  return geometry
-	};
-	CoordinateSequenceOperation.prototype.interfaces_ = function interfaces_ () {
-	  return [GeometryEditor.GeometryEditorOperation]
-	};
-	CoordinateSequenceOperation.prototype.getClass = function getClass () {
-	  return CoordinateSequenceOperation
-	};
-
-	var CoordinateArraySequence = function CoordinateArraySequence () {
-	  var this$1 = this;
-
-	  this._dimension = 3;
-	  this._coordinates = null;
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof Array) {
-	      this._coordinates = arguments[0];
-	      this._dimension = 3;
-	    } else if (Number.isInteger(arguments[0])) {
-	      var size = arguments[0];
-	      this._coordinates = new Array(size).fill(null);
-	      for (var i = 0; i < size; i++) {
-	        this$1._coordinates[i] = new Coordinate();
-	      }
-	    } else if (hasInterface(arguments[0], CoordinateSequence)) {
-	      var coordSeq = arguments[0];
-	      if (coordSeq === null) {
-	        this._coordinates = new Array(0).fill(null);
-	        return null
-	      }
-	      this._dimension = coordSeq.getDimension();
-	      this._coordinates = new Array(coordSeq.size()).fill(null);
-	      for (var i$1 = 0; i$1 < this._coordinates.length; i$1++) {
-	        this$1._coordinates[i$1] = coordSeq.getCoordinateCopy(i$1);
-	      }
-	    }
-	  } else if (arguments.length === 2) {
-	    if (arguments[0] instanceof Array && Number.isInteger(arguments[1])) {
-	      var coordinates = arguments[0];
-	      var dimension = arguments[1];
-	      this._coordinates = coordinates;
-	      this._dimension = dimension;
-	      if (coordinates === null) { this._coordinates = new Array(0).fill(null); }
-	    } else if (Number.isInteger(arguments[0]) && Number.isInteger(arguments[1])) {
-	      var size$1 = arguments[0];
-	      var dimension$1 = arguments[1];
-	      this._coordinates = new Array(size$1).fill(null);
-	      this._dimension = dimension$1;
-	      for (var i$2 = 0; i$2 < size$1; i$2++) {
-	        this$1._coordinates[i$2] = new Coordinate();
-	      }
-	    }
-	  }
-	};
-
-	var staticAccessors$18 = { serialVersionUID: { configurable: true } };
-	CoordinateArraySequence.prototype.setOrdinate = function setOrdinate (index, ordinateIndex, value) {
-	  switch (ordinateIndex) {
-	    case CoordinateSequence.X:
-	      this._coordinates[index].x = value;
-	      break
-	    case CoordinateSequence.Y:
-	      this._coordinates[index].y = value;
-	      break
-	    case CoordinateSequence.Z:
-	      this._coordinates[index].z = value;
-	      break
-	    default:
-	      throw new IllegalArgumentException('invalid ordinateIndex')
-	  }
-	};
-	CoordinateArraySequence.prototype.size = function size () {
-	  return this._coordinates.length
-	};
-	CoordinateArraySequence.prototype.getOrdinate = function getOrdinate (index, ordinateIndex) {
-	  switch (ordinateIndex) {
-	    case CoordinateSequence.X:
-	      return this._coordinates[index].x
-	    case CoordinateSequence.Y:
-	      return this._coordinates[index].y
-	    case CoordinateSequence.Z:
-	      return this._coordinates[index].z
-	  }
-	  return Double.NaN
-	};
-	CoordinateArraySequence.prototype.getCoordinate = function getCoordinate () {
-	  if (arguments.length === 1) {
-	    var i = arguments[0];
-	    return this._coordinates[i]
-	  } else if (arguments.length === 2) {
-	    var index = arguments[0];
-	    var coord = arguments[1];
-	    coord.x = this._coordinates[index].x;
-	    coord.y = this._coordinates[index].y;
-	    coord.z = this._coordinates[index].z;
-	  }
-	};
-	CoordinateArraySequence.prototype.getCoordinateCopy = function getCoordinateCopy (i) {
-	  return new Coordinate(this._coordinates[i])
-	};
-	CoordinateArraySequence.prototype.getDimension = function getDimension () {
-	  return this._dimension
-	};
-	CoordinateArraySequence.prototype.getX = function getX (index) {
-	  return this._coordinates[index].x
-	};
-	CoordinateArraySequence.prototype.clone = function clone () {
-	    var this$1 = this;
-
-	  var cloneCoordinates = new Array(this.size()).fill(null);
-	  for (var i = 0; i < this._coordinates.length; i++) {
-	    cloneCoordinates[i] = this$1._coordinates[i].clone();
-	  }
-	  return new CoordinateArraySequence(cloneCoordinates, this._dimension)
-	};
-	CoordinateArraySequence.prototype.expandEnvelope = function expandEnvelope (env) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this._coordinates.length; i++) {
-	    env.expandToInclude(this$1._coordinates[i]);
-	  }
-	  return env
-	};
-	CoordinateArraySequence.prototype.copy = function copy () {
-	    var this$1 = this;
-
-	  var cloneCoordinates = new Array(this.size()).fill(null);
-	  for (var i = 0; i < this._coordinates.length; i++) {
-	    cloneCoordinates[i] = this$1._coordinates[i].copy();
-	  }
-	  return new CoordinateArraySequence(cloneCoordinates, this._dimension)
-	};
-	CoordinateArraySequence.prototype.toString = function toString () {
-	    var this$1 = this;
-
-	  if (this._coordinates.length > 0) {
-	    var strBuf = new StringBuffer(17 * this._coordinates.length);
-	    strBuf.append('(');
-	    strBuf.append(this._coordinates[0]);
-	    for (var i = 1; i < this._coordinates.length; i++) {
-	      strBuf.append(', ');
-	      strBuf.append(this$1._coordinates[i]);
-	    }
-	    strBuf.append(')');
-	    return strBuf.toString()
-	  } else {
-	    return '()'
-	  }
-	};
-	CoordinateArraySequence.prototype.getY = function getY (index) {
-	  return this._coordinates[index].y
-	};
-	CoordinateArraySequence.prototype.toCoordinateArray = function toCoordinateArray () {
-	  return this._coordinates
-	};
-	CoordinateArraySequence.prototype.interfaces_ = function interfaces_ () {
-	  return [CoordinateSequence, Serializable]
-	};
-	CoordinateArraySequence.prototype.getClass = function getClass () {
-	  return CoordinateArraySequence
-	};
-	staticAccessors$18.serialVersionUID.get = function () { return -915438501601840650 };
-
-	Object.defineProperties( CoordinateArraySequence, staticAccessors$18 );
-
-	var CoordinateArraySequenceFactory = function CoordinateArraySequenceFactory () {};
-
-	var staticAccessors$17 = { serialVersionUID: { configurable: true },instanceObject: { configurable: true } };
-
-	CoordinateArraySequenceFactory.prototype.readResolve = function readResolve () {
-	  return CoordinateArraySequenceFactory.instance()
-	};
-	CoordinateArraySequenceFactory.prototype.create = function create () {
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof Array) {
-	      var coordinates = arguments[0];
-	      return new CoordinateArraySequence(coordinates)
-	    } else if (hasInterface(arguments[0], CoordinateSequence)) {
-	      var coordSeq = arguments[0];
-	      return new CoordinateArraySequence(coordSeq)
-	    }
-	  } else if (arguments.length === 2) {
-	    var size = arguments[0];
-	    var dimension = arguments[1];
-	    if (dimension > 3) { dimension = 3; }
-	    if (dimension < 2) { return new CoordinateArraySequence(size) }
-	    return new CoordinateArraySequence(size, dimension)
-	  }
-	};
-	CoordinateArraySequenceFactory.prototype.interfaces_ = function interfaces_ () {
-	  return [CoordinateSequenceFactory, Serializable]
-	};
-	CoordinateArraySequenceFactory.prototype.getClass = function getClass () {
-	  return CoordinateArraySequenceFactory
-	};
-	CoordinateArraySequenceFactory.instance = function instance () {
-	  return CoordinateArraySequenceFactory.instanceObject
-	};
-
-	staticAccessors$17.serialVersionUID.get = function () { return -4099577099607551657 };
-	staticAccessors$17.instanceObject.get = function () { return new CoordinateArraySequenceFactory() };
-
-	Object.defineProperties( CoordinateArraySequenceFactory, staticAccessors$17 );
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/HashMap.html
-	 *
-	 * @extends {javascript.util.Map}
-	 * @constructor
-	 * @private
-	 */
-	var HashMap = (function (MapInterface) {
-	  function HashMap () {
-	    MapInterface.call(this);
-	    this.map_ = new Map();
-	  }
-
-	  if ( MapInterface ) HashMap.__proto__ = MapInterface;
-	  HashMap.prototype = Object.create( MapInterface && MapInterface.prototype );
-	  HashMap.prototype.constructor = HashMap;
-	  /**
-	   * @override
-	   */
-	  HashMap.prototype.get = function get (key) {
-	    return this.map_.get(key) || null
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashMap.prototype.put = function put (key, value) {
-	    this.map_.set(key, value);
-	    return value
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashMap.prototype.values = function values () {
-	    var arrayList = new ArrayList();
-	    var it = this.map_.values();
-	    var o = it.next();
-	    while (!o.done) {
-	      arrayList.add(o.value);
-	      o = it.next();
-	    }
-	    return arrayList
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashMap.prototype.entrySet = function entrySet () {
-	    var hashSet = new HashSet();
-	    this.map_.entries().forEach(function (entry) { return hashSet.add(entry); });
-	    return hashSet
-	  };
-
-	  /**
-	   * @override
-	   */
-	  HashMap.prototype.size = function size () {
-	    return this.map_.size()
-	  };
-
-	  return HashMap;
-	}(Map$1$1));
-
-	var PrecisionModel = function PrecisionModel () {
-	  this._modelType = null;
-	  this._scale = null;
-	  if (arguments.length === 0) {
-	    this._modelType = PrecisionModel.FLOATING;
-	  } else if (arguments.length === 1) {
-	    if (arguments[0] instanceof Type$2) {
-	      var modelType = arguments[0];
-	      this._modelType = modelType;
-	      if (modelType === PrecisionModel.FIXED) {
-	        this.setScale(1.0);
-	      }
-	    } else if (typeof arguments[0] === 'number') {
-	      var scale = arguments[0];
-	      this._modelType = PrecisionModel.FIXED;
-	      this.setScale(scale);
-	    } else if (arguments[0] instanceof PrecisionModel) {
-	      var pm = arguments[0];
-	      this._modelType = pm._modelType;
-	      this._scale = pm._scale;
-	    }
-	  }
-	};
-
-	var staticAccessors$19 = { serialVersionUID: { configurable: true },maximumPreciseValue: { configurable: true } };
-	PrecisionModel.prototype.equals = function equals (other) {
-	  if (!(other instanceof PrecisionModel)) {
-	    return false
-	  }
-	  var otherPrecisionModel = other;
-	  return this._modelType === otherPrecisionModel._modelType && this._scale === otherPrecisionModel._scale
-	};
-	PrecisionModel.prototype.compareTo = function compareTo (o) {
-	  var other = o;
-	  var sigDigits = this.getMaximumSignificantDigits();
-	  var otherSigDigits = other.getMaximumSignificantDigits();
-	  return new Integer(sigDigits).compareTo(new Integer(otherSigDigits))
-	};
-	PrecisionModel.prototype.getScale = function getScale () {
-	  return this._scale
-	};
-	PrecisionModel.prototype.isFloating = function isFloating () {
-	  return this._modelType === PrecisionModel.FLOATING || this._modelType === PrecisionModel.FLOATING_SINGLE
-	};
-	PrecisionModel.prototype.getType = function getType () {
-	  return this._modelType
-	};
-	PrecisionModel.prototype.toString = function toString () {
-	  var description = 'UNKNOWN';
-	  if (this._modelType === PrecisionModel.FLOATING) {
-	    description = 'Floating';
-	  } else if (this._modelType === PrecisionModel.FLOATING_SINGLE) {
-	    description = 'Floating-Single';
-	  } else if (this._modelType === PrecisionModel.FIXED) {
-	    description = 'Fixed (Scale=' + this.getScale() + ')';
-	  }
-	  return description
-	};
-	PrecisionModel.prototype.makePrecise = function makePrecise () {
-	  if (typeof arguments[0] === 'number') {
-	    var val = arguments[0];
-	    if (Double.isNaN(val)) { return val }
-	    if (this._modelType === PrecisionModel.FLOATING_SINGLE) {
-	      var floatSingleVal = val;
-	      return floatSingleVal
-	    }
-	    if (this._modelType === PrecisionModel.FIXED) {
-	      return Math.round(val * this._scale) / this._scale
-	    }
-	    return val
-	  } else if (arguments[0] instanceof Coordinate) {
-	    var coord = arguments[0];
-	    if (this._modelType === PrecisionModel.FLOATING) { return null }
-	    coord.x = this.makePrecise(coord.x);
-	    coord.y = this.makePrecise(coord.y);
-	  }
-	};
-	PrecisionModel.prototype.getMaximumSignificantDigits = function getMaximumSignificantDigits () {
-	  var maxSigDigits = 16;
-	  if (this._modelType === PrecisionModel.FLOATING) {
-	    maxSigDigits = 16;
-	  } else if (this._modelType === PrecisionModel.FLOATING_SINGLE) {
-	    maxSigDigits = 6;
-	  } else if (this._modelType === PrecisionModel.FIXED) {
-	    maxSigDigits = 1 + Math.trunc(Math.ceil(Math.log(this.getScale()) / Math.log(10)));
-	  }
-	  return maxSigDigits
-	};
-	PrecisionModel.prototype.setScale = function setScale (scale) {
-	  this._scale = Math.abs(scale);
-	};
-	PrecisionModel.prototype.interfaces_ = function interfaces_ () {
-	  return [Serializable, Comparable]
-	};
-	PrecisionModel.prototype.getClass = function getClass () {
-	  return PrecisionModel
-	};
-	PrecisionModel.mostPrecise = function mostPrecise (pm1, pm2) {
-	  if (pm1.compareTo(pm2) >= 0) { return pm1 }
-	  return pm2
-	};
-	staticAccessors$19.serialVersionUID.get = function () { return 7777263578777803835 };
-	staticAccessors$19.maximumPreciseValue.get = function () { return 9007199254740992.0 };
-
-	Object.defineProperties( PrecisionModel, staticAccessors$19 );
-
-	var Type$2 = function Type (name) {
-	  this._name = name || null;
-	  Type.nameToTypeMap.put(name, this);
-	};
-
-	var staticAccessors$1$1 = { serialVersionUID: { configurable: true },nameToTypeMap: { configurable: true } };
-	Type$2.prototype.readResolve = function readResolve () {
-	  return Type$2.nameToTypeMap.get(this._name)
-	};
-	Type$2.prototype.toString = function toString () {
-	  return this._name
-	};
-	Type$2.prototype.interfaces_ = function interfaces_ () {
-	  return [Serializable]
-	};
-	Type$2.prototype.getClass = function getClass () {
-	  return Type$2
-	};
-	staticAccessors$1$1.serialVersionUID.get = function () { return -5528602631731589822 };
-	staticAccessors$1$1.nameToTypeMap.get = function () { return new HashMap() };
-
-	Object.defineProperties( Type$2, staticAccessors$1$1 );
-
-	PrecisionModel.Type = Type$2;
-	PrecisionModel.FIXED = new Type$2('FIXED');
-	PrecisionModel.FLOATING = new Type$2('FLOATING');
-	PrecisionModel.FLOATING_SINGLE = new Type$2('FLOATING SINGLE');
-
-	var GeometryFactory = function GeometryFactory () {
-	  this._precisionModel = new PrecisionModel();
-	  this._SRID = 0;
-	  this._coordinateSequenceFactory = GeometryFactory.getDefaultCoordinateSequenceFactory();
-
-	  if (arguments.length === 0) ; else if (arguments.length === 1) {
-	    if (hasInterface(arguments[0], CoordinateSequenceFactory)) {
-	      this._coordinateSequenceFactory = arguments[0];
-	    } else if (arguments[0] instanceof PrecisionModel) {
-	      this._precisionModel = arguments[0];
-	    }
-	  } else if (arguments.length === 2) {
-	    this._precisionModel = arguments[0];
-	    this._SRID = arguments[1];
-	  } else if (arguments.length === 3) {
-	    this._precisionModel = arguments[0];
-	    this._SRID = arguments[1];
-	    this._coordinateSequenceFactory = arguments[2];
-	  }
-	};
-
-	var staticAccessors$2 = { serialVersionUID: { configurable: true } };
-	GeometryFactory.prototype.toGeometry = function toGeometry (envelope) {
-	  if (envelope.isNull()) {
-	    return this.createPoint(null)
-	  }
-	  if (envelope.getMinX() === envelope.getMaxX() && envelope.getMinY() === envelope.getMaxY()) {
-	    return this.createPoint(new Coordinate(envelope.getMinX(), envelope.getMinY()))
-	  }
-	  if (envelope.getMinX() === envelope.getMaxX() || envelope.getMinY() === envelope.getMaxY()) {
-	    return this.createLineString([new Coordinate(envelope.getMinX(), envelope.getMinY()), new Coordinate(envelope.getMaxX(), envelope.getMaxY())])
-	  }
-	  return this.createPolygon(this.createLinearRing([new Coordinate(envelope.getMinX(), envelope.getMinY()), new Coordinate(envelope.getMinX(), envelope.getMaxY()), new Coordinate(envelope.getMaxX(), envelope.getMaxY()), new Coordinate(envelope.getMaxX(), envelope.getMinY()), new Coordinate(envelope.getMinX(), envelope.getMinY())]), null)
-	};
-	GeometryFactory.prototype.createLineString = function createLineString (coordinates) {
-	  if (!coordinates) { return new LineString(this.getCoordinateSequenceFactory().create([]), this) }
-	  else if (coordinates instanceof Array) { return new LineString(this.getCoordinateSequenceFactory().create(coordinates), this) }
-	  else if (hasInterface(coordinates, CoordinateSequence)) { return new LineString(coordinates, this) }
-	};
-	GeometryFactory.prototype.createMultiLineString = function createMultiLineString () {
-	  if (arguments.length === 0) {
-	    return new MultiLineString(null, this)
-	  } else if (arguments.length === 1) {
-	    var lineStrings = arguments[0];
-	    return new MultiLineString(lineStrings, this)
-	  }
-	};
-	GeometryFactory.prototype.buildGeometry = function buildGeometry (geomList) {
-	  var geomClass = null;
-	  var isHeterogeneous = false;
-	  var hasGeometryCollection = false;
-	  for (var i = geomList.iterator(); i.hasNext();) {
-	    var geom = i.next();
-	    var partClass = geom.getClass();
-	    if (geomClass === null) {
-	      geomClass = partClass;
-	    }
-	    if (partClass !== geomClass) {
-	      isHeterogeneous = true;
-	    }
-	    if (geom.isGeometryCollectionOrDerived()) { hasGeometryCollection = true; }
-	  }
-	  if (geomClass === null) {
-	    return this.createGeometryCollection()
-	  }
-	  if (isHeterogeneous || hasGeometryCollection) {
-	    return this.createGeometryCollection(GeometryFactory.toGeometryArray(geomList))
-	  }
-	  var geom0 = geomList.iterator().next();
-	  var isCollection = geomList.size() > 1;
-	  if (isCollection) {
-	    if (geom0 instanceof Polygon) {
-	      return this.createMultiPolygon(GeometryFactory.toPolygonArray(geomList))
-	    } else if (geom0 instanceof LineString) {
-	      return this.createMultiLineString(GeometryFactory.toLineStringArray(geomList))
-	    } else if (geom0 instanceof Point$1) {
-	      return this.createMultiPoint(GeometryFactory.toPointArray(geomList))
-	    }
-	    Assert.shouldNeverReachHere('Unhandled class: ' + geom0.getClass().getName());
-	  }
-	  return geom0
-	};
-	GeometryFactory.prototype.createMultiPointFromCoords = function createMultiPointFromCoords (coordinates) {
-	  return this.createMultiPoint(coordinates !== null ? this.getCoordinateSequenceFactory().create(coordinates) : null)
-	};
-	GeometryFactory.prototype.createPoint = function createPoint () {
-	  if (arguments.length === 0) {
-	    return this.createPoint(this.getCoordinateSequenceFactory().create([]))
-	  } else if (arguments.length === 1) {
-	    if (arguments[0] instanceof Coordinate) {
-	      var coordinate = arguments[0];
-	      return this.createPoint(coordinate !== null ? this.getCoordinateSequenceFactory().create([coordinate]) : null)
-	    } else if (hasInterface(arguments[0], CoordinateSequence)) {
-	      var coordinates = arguments[0];
-	      return new Point$1(coordinates, this)
-	    }
-	  }
-	};
-	GeometryFactory.prototype.getCoordinateSequenceFactory = function getCoordinateSequenceFactory () {
-	  return this._coordinateSequenceFactory
-	};
-	GeometryFactory.prototype.createPolygon = function createPolygon () {
-	  if (arguments.length === 0) {
-	    return new Polygon(null, null, this)
-	  } else if (arguments.length === 1) {
-	    if (hasInterface(arguments[0], CoordinateSequence)) {
-	      var coordinates = arguments[0];
-	      return this.createPolygon(this.createLinearRing(coordinates))
-	    } else if (arguments[0] instanceof Array) {
-	      var coordinates$1 = arguments[0];
-	      return this.createPolygon(this.createLinearRing(coordinates$1))
-	    } else if (arguments[0] instanceof LinearRing) {
-	      var shell = arguments[0];
-	      return this.createPolygon(shell, null)
-	    }
-	  } else if (arguments.length === 2) {
-	    var shell$1 = arguments[0];
-	    var holes = arguments[1];
-	    return new Polygon(shell$1, holes, this)
-	  }
-	};
-	GeometryFactory.prototype.getSRID = function getSRID () {
-	  return this._SRID
-	};
-	GeometryFactory.prototype.createGeometryCollection = function createGeometryCollection () {
-	  if (arguments.length === 0) {
-	    return new GeometryCollection(null, this)
-	  } else if (arguments.length === 1) {
-	    var geometries = arguments[0];
-	    return new GeometryCollection(geometries, this)
-	  }
-	};
-	GeometryFactory.prototype.createGeometry = function createGeometry (g) {
-	  var editor = new GeometryEditor(this);
-	  return editor.edit(g, {
-	    edit: function () {
-	      if (arguments.length === 2) {
-	        var coordSeq = arguments[0];
-	        // const geometry = arguments[1]
-	        return this._coordinateSequenceFactory.create(coordSeq)
-	      }
-	    }
-	  })
-	};
-	GeometryFactory.prototype.getPrecisionModel = function getPrecisionModel () {
-	  return this._precisionModel
-	};
-	GeometryFactory.prototype.createLinearRing = function createLinearRing () {
-	  if (arguments.length === 0) {
-	    return this.createLinearRing(this.getCoordinateSequenceFactory().create([]))
-	  } else if (arguments.length === 1) {
-	    if (arguments[0] instanceof Array) {
-	      var coordinates = arguments[0];
-	      return this.createLinearRing(coordinates !== null ? this.getCoordinateSequenceFactory().create(coordinates) : null)
-	    } else if (hasInterface(arguments[0], CoordinateSequence)) {
-	      var coordinates$1 = arguments[0];
-	      return new LinearRing(coordinates$1, this)
-	    }
-	  }
-	};
-	GeometryFactory.prototype.createMultiPolygon = function createMultiPolygon () {
-	  if (arguments.length === 0) {
-	    return new MultiPolygon(null, this)
-	  } else if (arguments.length === 1) {
-	    var polygons = arguments[0];
-	    return new MultiPolygon(polygons, this)
-	  }
-	};
-	GeometryFactory.prototype.createMultiPoint = function createMultiPoint () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    return new MultiPoint(null, this)
-	  } else if (arguments.length === 1) {
-	    if (arguments[0] instanceof Array) {
-	      var point = arguments[0];
-	      return new MultiPoint(point, this)
-	    } else if (arguments[0] instanceof Array) {
-	      var coordinates = arguments[0];
-	      return this.createMultiPoint(coordinates !== null ? this.getCoordinateSequenceFactory().create(coordinates) : null)
-	    } else if (hasInterface(arguments[0], CoordinateSequence)) {
-	      var coordinates$1 = arguments[0];
-	      if (coordinates$1 === null) {
-	        return this.createMultiPoint(new Array(0).fill(null))
-	      }
-	      var points = new Array(coordinates$1.size()).fill(null);
-	      for (var i = 0; i < coordinates$1.size(); i++) {
-	        var ptSeq = this$1.getCoordinateSequenceFactory().create(1, coordinates$1.getDimension());
-	        CoordinateSequences.copy(coordinates$1, i, ptSeq, 0, 1);
-	        points[i] = this$1.createPoint(ptSeq);
-	      }
-	      return this.createMultiPoint(points)
-	    }
-	  }
-	};
-	GeometryFactory.prototype.interfaces_ = function interfaces_ () {
-	  return [Serializable]
-	};
-	GeometryFactory.prototype.getClass = function getClass () {
-	  return GeometryFactory
-	};
-	GeometryFactory.toMultiPolygonArray = function toMultiPolygonArray (multiPolygons) {
-	  var multiPolygonArray = new Array(multiPolygons.size()).fill(null);
-	  return multiPolygons.toArray(multiPolygonArray)
-	};
-	GeometryFactory.toGeometryArray = function toGeometryArray (geometries) {
-	  if (geometries === null) { return null }
-	  var geometryArray = new Array(geometries.size()).fill(null);
-	  return geometries.toArray(geometryArray)
-	};
-	GeometryFactory.getDefaultCoordinateSequenceFactory = function getDefaultCoordinateSequenceFactory () {
-	  return CoordinateArraySequenceFactory.instance()
-	};
-	GeometryFactory.toMultiLineStringArray = function toMultiLineStringArray (multiLineStrings) {
-	  var multiLineStringArray = new Array(multiLineStrings.size()).fill(null);
-	  return multiLineStrings.toArray(multiLineStringArray)
-	};
-	GeometryFactory.toLineStringArray = function toLineStringArray (lineStrings) {
-	  var lineStringArray = new Array(lineStrings.size()).fill(null);
-	  return lineStrings.toArray(lineStringArray)
-	};
-	GeometryFactory.toMultiPointArray = function toMultiPointArray (multiPoints) {
-	  var multiPointArray = new Array(multiPoints.size()).fill(null);
-	  return multiPoints.toArray(multiPointArray)
-	};
-	GeometryFactory.toLinearRingArray = function toLinearRingArray (linearRings) {
-	  var linearRingArray = new Array(linearRings.size()).fill(null);
-	  return linearRings.toArray(linearRingArray)
-	};
-	GeometryFactory.toPointArray = function toPointArray (points) {
-	  var pointArray = new Array(points.size()).fill(null);
-	  return points.toArray(pointArray)
-	};
-	GeometryFactory.toPolygonArray = function toPolygonArray (polygons) {
-	  var polygonArray = new Array(polygons.size()).fill(null);
-	  return polygons.toArray(polygonArray)
-	};
-	GeometryFactory.createPointFromInternalCoord = function createPointFromInternalCoord (coord, exemplar) {
-	  exemplar.getPrecisionModel().makePrecise(coord);
-	  return exemplar.getFactory().createPoint(coord)
-	};
-	staticAccessors$2.serialVersionUID.get = function () { return -6820524753094095635 };
-
-	Object.defineProperties( GeometryFactory, staticAccessors$2 );
-
-	var geometryTypes = ['Point', 'MultiPoint', 'LineString', 'MultiLineString', 'Polygon', 'MultiPolygon'];
-
-	/**
-	 * Class for reading and writing Well-Known Text.Create a new parser for GeoJSON
-	 * NOTE: Adapted from OpenLayers 2.11 implementation.
-	 */
-
-	/**
-	 * Create a new parser for GeoJSON
-	 *
-	 * @param {GeometryFactory} geometryFactory
-	 * @return An instance of GeoJsonParser.
-	 * @constructor
-	 * @private
-	 */
-	var GeoJSONParser = function GeoJSONParser (geometryFactory) {
-	  this.geometryFactory = geometryFactory || new GeometryFactory();
-	};
-	/**
-	 * Deserialize a GeoJSON object and return the Geometry or Feature(Collection) with JSTS Geometries
-	 *
-	 * @param {}
-	 *        A GeoJSON object.
-	 * @return {} A Geometry instance or object representing a Feature(Collection) with Geometry instances.
-	 * @private
-	 */
-	GeoJSONParser.prototype.read = function read (json) {
-	  var obj;
-	  if (typeof json === 'string') {
-	    obj = JSON.parse(json);
-	  } else {
-	    obj = json;
-	  }
-
-	  var type = obj.type;
-
-	  if (!parse$2[type]) {
-	    throw new Error('Unknown GeoJSON type: ' + obj.type)
-	  }
-
-	  if (geometryTypes.indexOf(type) !== -1) {
-	    return parse$2[type].apply(this, [obj.coordinates])
-	  } else if (type === 'GeometryCollection') {
-	    return parse$2[type].apply(this, [obj.geometries])
-	  }
-
-	  // feature or feature collection
-	  return parse$2[type].apply(this, [obj])
-	};
-
-	/**
-	 * Serialize a Geometry object into GeoJSON
-	 *
-	 * @param {Geometry}
-	 *        geometry A Geometry or array of Geometries.
-	 * @return {Object} A GeoJSON object represting the input Geometry/Geometries.
-	 * @private
-	 */
-	GeoJSONParser.prototype.write = function write (geometry) {
-	  var type = geometry.getGeometryType();
-
-	  if (!extract[type]) {
-	    throw new Error('Geometry is not supported')
-	  }
-
-	  return extract[type].apply(this, [geometry])
-	};
-
-	var parse$2 = {
-	  /**
-	   * Parse a GeoJSON Feature object
-	   *
-	   * @param {Object}
-	   *          obj Object to parse.
-	   *
-	   * @return {Object} Feature with geometry/bbox converted to JSTS Geometries.
-	   */
-	  Feature: function (obj) {
-	    var feature = {};
-
-	    // copy features
-	    for (var key in obj) {
-	      feature[key] = obj[key];
-	    }
-
-	    // parse geometry
-	    if (obj.geometry) {
-	      var type = obj.geometry.type;
-	      if (!parse$2[type]) {
-	        throw new Error('Unknown GeoJSON type: ' + obj.type)
-	      }
-	      feature.geometry = this.read(obj.geometry);
-	    }
-
-	    // bbox
-	    if (obj.bbox) {
-	      feature.bbox = parse$2.bbox.apply(this, [obj.bbox]);
-	    }
-
-	    return feature
-	  },
-
-	  /**
-	   * Parse a GeoJSON FeatureCollection object
-	   *
-	   * @param {Object}
-	   *          obj Object to parse.
-	   *
-	   * @return {Object} FeatureCollection with geometry/bbox converted to JSTS Geometries.
-	   */
-	  FeatureCollection: function (obj) {
-	    var this$1 = this;
-
-	    var featureCollection = {};
-
-	    if (obj.features) {
-	      featureCollection.features = [];
-
-	      for (var i = 0; i < obj.features.length; ++i) {
-	        featureCollection.features.push(this$1.read(obj.features[i]));
-	      }
-	    }
-
-	    if (obj.bbox) {
-	      featureCollection.bbox = this.parse.bbox.apply(this, [obj.bbox]);
-	    }
-
-	    return featureCollection
-	  },
-
-	  /**
-	   * Convert the ordinates in an array to an array of Coordinates
-	   *
-	   * @param {Array}
-	   *          array Array with {Number}s.
-	   *
-	   * @return {Array} Array with Coordinates.
-	   */
-	  coordinates: function (array) {
-	    var coordinates = [];
-	    for (var i = 0; i < array.length; ++i) {
-	      var sub = array[i];
-	      coordinates.push(new Coordinate(sub[0], sub[1]));
-	    }
-	    return coordinates
-	  },
-
-	  /**
-	   * Convert the bbox to a LinearRing
-	   *
-	   * @param {Array}
-	   *          array Array with [xMin, yMin, xMax, yMax].
-	   *
-	   * @return {Array} Array with Coordinates.
-	   */
-	  bbox: function (array) {
-	    return this.geometryFactory.createLinearRing([
-	      new Coordinate(array[0], array[1]),
-	      new Coordinate(array[2], array[1]),
-	      new Coordinate(array[2], array[3]),
-	      new Coordinate(array[0], array[3]),
-	      new Coordinate(array[0], array[1])
-	    ])
-	  },
-
-	  /**
-	   * Convert an Array with ordinates to a Point
-	   *
-	   * @param {Array}
-	   *          array Array with ordinates.
-	   *
-	   * @return {Point} Point.
-	   */
-	  Point: function (array) {
-	    var coordinate = new Coordinate(array[0], array[1]);
-	    return this.geometryFactory.createPoint(coordinate)
-	  },
-
-	  /**
-	   * Convert an Array with coordinates to a MultiPoint
-	   *
-	   * @param {Array}
-	   *          array Array with coordinates.
-	   *
-	   * @return {MultiPoint} MultiPoint.
-	   */
-	  MultiPoint: function (array) {
-	    var this$1 = this;
-
-	    var points = [];
-	    for (var i = 0; i < array.length; ++i) {
-	      points.push(parse$2.Point.apply(this$1, [array[i]]));
-	    }
-	    return this.geometryFactory.createMultiPoint(points)
-	  },
-
-	  /**
-	   * Convert an Array with coordinates to a LineString
-	   *
-	   * @param {Array}
-	   *          array Array with coordinates.
-	   *
-	   * @return {LineString} LineString.
-	   */
-	  LineString: function (array) {
-	    var coordinates = parse$2.coordinates.apply(this, [array]);
-	    return this.geometryFactory.createLineString(coordinates)
-	  },
-
-	  /**
-	   * Convert an Array with coordinates to a MultiLineString
-	   *
-	   * @param {Array}
-	   *          array Array with coordinates.
-	   *
-	   * @return {MultiLineString} MultiLineString.
-	   */
-	  MultiLineString: function (array) {
-	    var this$1 = this;
-
-	    var lineStrings = [];
-	    for (var i = 0; i < array.length; ++i) {
-	      lineStrings.push(parse$2.LineString.apply(this$1, [array[i]]));
-	    }
-	    return this.geometryFactory.createMultiLineString(lineStrings)
-	  },
-
-	  /**
-	   * Convert an Array to a Polygon
-	   *
-	   * @param {Array}
-	   *          array Array with shell and holes.
-	   *
-	   * @return {Polygon} Polygon.
-	   */
-	  Polygon: function (array) {
-	    var this$1 = this;
-
-	    var shellCoordinates = parse$2.coordinates.apply(this, [array[0]]);
-	    var shell = this.geometryFactory.createLinearRing(shellCoordinates);
-	    var holes = [];
-	    for (var i = 1; i < array.length; ++i) {
-	      var hole = array[i];
-	      var coordinates = parse$2.coordinates.apply(this$1, [hole]);
-	      var linearRing = this$1.geometryFactory.createLinearRing(coordinates);
-	      holes.push(linearRing);
-	    }
-	    return this.geometryFactory.createPolygon(shell, holes)
-	  },
-
-	  /**
-	   * Convert an Array to a MultiPolygon
-	   *
-	   * @param {Array}
-	   *          array Array of arrays with shell and rings.
-	   *
-	   * @return {MultiPolygon} MultiPolygon.
-	   */
-	  MultiPolygon: function (array) {
-	    var this$1 = this;
-
-	    var polygons = [];
-	    for (var i = 0; i < array.length; ++i) {
-	      var polygon = array[i];
-	      polygons.push(parse$2.Polygon.apply(this$1, [polygon]));
-	    }
-	    return this.geometryFactory.createMultiPolygon(polygons)
-	  },
-
-	  /**
-	   * Convert an Array to a GeometryCollection
-	   *
-	   * @param {Array}
-	   *          array Array of GeoJSON geometries.
-	   *
-	   * @return {GeometryCollection} GeometryCollection.
-	   */
-	  GeometryCollection: function (array) {
-	    var this$1 = this;
-
-	    var geometries = [];
-	    for (var i = 0; i < array.length; ++i) {
-	      var geometry = array[i];
-	      geometries.push(this$1.read(geometry));
-	    }
-	    return this.geometryFactory.createGeometryCollection(geometries)
-	  }
-	};
-
-	var extract = {
-	  /**
-	   * Convert a Coordinate to an Array
-	   *
-	   * @param {Coordinate}
-	   *          coordinate Coordinate to convert.
-	   *
-	   * @return {Array} Array of ordinates.
-	   */
-	  coordinate: function (coordinate) {
-	    return [coordinate.x, coordinate.y]
-	  },
-
-	  /**
-	   * Convert a Point to a GeoJSON object
-	   *
-	   * @param {Point}
-	   *          point Point to convert.
-	   *
-	   * @return {Array} Array of 2 ordinates (paired to a coordinate).
-	   */
-	  Point: function (point) {
-	    var array = extract.coordinate.apply(this, [point.getCoordinate()]);
-	    return {
-	      type: 'Point',
-	      coordinates: array
-	    }
-	  },
-
-	  /**
-	   * Convert a MultiPoint to a GeoJSON object
-	   *
-	   * @param {MultiPoint}
-	   *          multipoint MultiPoint to convert.
-	   *
-	   * @return {Array} Array of coordinates.
-	   */
-	  MultiPoint: function (multipoint) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0; i < multipoint._geometries.length; ++i) {
-	      var point = multipoint._geometries[i];
-	      var geoJson = extract.Point.apply(this$1, [point]);
-	      array.push(geoJson.coordinates);
-	    }
-	    return {
-	      type: 'MultiPoint',
-	      coordinates: array
-	    }
-	  },
-
-	  /**
-	   * Convert a LineString to a GeoJSON object
-	   *
-	   * @param {LineString}
-	   *          linestring LineString to convert.
-	   *
-	   * @return {Array} Array of coordinates.
-	   */
-	  LineString: function (linestring) {
-	    var this$1 = this;
-
-	    var array = [];
-	    var coordinates = linestring.getCoordinates();
-	    for (var i = 0; i < coordinates.length; ++i) {
-	      var coordinate = coordinates[i];
-	      array.push(extract.coordinate.apply(this$1, [coordinate]));
-	    }
-	    return {
-	      type: 'LineString',
-	      coordinates: array
-	    }
-	  },
-
-	  /**
-	   * Convert a MultiLineString to a GeoJSON object
-	   *
-	   * @param {MultiLineString}
-	   *          multilinestring MultiLineString to convert.
-	   *
-	   * @return {Array} Array of Array of coordinates.
-	   */
-	  MultiLineString: function (multilinestring) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0; i < multilinestring._geometries.length; ++i) {
-	      var linestring = multilinestring._geometries[i];
-	      var geoJson = extract.LineString.apply(this$1, [linestring]);
-	      array.push(geoJson.coordinates);
-	    }
-	    return {
-	      type: 'MultiLineString',
-	      coordinates: array
-	    }
-	  },
-
-	  /**
-	   * Convert a Polygon to a GeoJSON object
-	   *
-	   * @param {Polygon}
-	   *          polygon Polygon to convert.
-	   *
-	   * @return {Array} Array with shell, holes.
-	   */
-	  Polygon: function (polygon) {
-	    var this$1 = this;
-
-	    var array = [];
-	    var shellGeoJson = extract.LineString.apply(this, [polygon._shell]);
-	    array.push(shellGeoJson.coordinates);
-	    for (var i = 0; i < polygon._holes.length; ++i) {
-	      var hole = polygon._holes[i];
-	      var holeGeoJson = extract.LineString.apply(this$1, [hole]);
-	      array.push(holeGeoJson.coordinates);
-	    }
-	    return {
-	      type: 'Polygon',
-	      coordinates: array
-	    }
-	  },
-
-	  /**
-	   * Convert a MultiPolygon to a GeoJSON object
-	   *
-	   * @param {MultiPolygon}
-	   *          multipolygon MultiPolygon to convert.
-	   *
-	   * @return {Array} Array of polygons.
-	   */
-	  MultiPolygon: function (multipolygon) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0; i < multipolygon._geometries.length; ++i) {
-	      var polygon = multipolygon._geometries[i];
-	      var geoJson = extract.Polygon.apply(this$1, [polygon]);
-	      array.push(geoJson.coordinates);
-	    }
-	    return {
-	      type: 'MultiPolygon',
-	      coordinates: array
-	    }
-	  },
-
-	  /**
-	   * Convert a GeometryCollection to a GeoJSON object
-	   *
-	   * @param {GeometryCollection}
-	   *          collection GeometryCollection to convert.
-	   *
-	   * @return {Array} Array of geometries.
-	   */
-	  GeometryCollection: function (collection) {
-	    var this$1 = this;
-
-	    var array = [];
-	    for (var i = 0; i < collection._geometries.length; ++i) {
-	      var geometry = collection._geometries[i];
-	      var type = geometry.getGeometryType();
-	      array.push(extract[type].apply(this$1, [geometry]));
-	    }
-	    return {
-	      type: 'GeometryCollection',
-	      geometries: array
-	    }
-	  }
-	};
-
-	/**
-	 * Converts a geometry in GeoJSON to a {@link Geometry}.
-	 */
-
-	/**
-	 * A <code>GeoJSONReader</code> is parameterized by a <code>GeometryFactory</code>,
-	 * to allow it to create <code>Geometry</code> objects of the appropriate
-	 * implementation. In particular, the <code>GeometryFactory</code> determines
-	 * the <code>PrecisionModel</code> and <code>SRID</code> that is used.
-	 *
-	 * @param {GeometryFactory} geometryFactory
-	 * @constructor
-	 */
-	var GeoJSONReader = function GeoJSONReader (geometryFactory) {
-	  this.geometryFactory = geometryFactory || new GeometryFactory();
-	  this.precisionModel = this.geometryFactory.getPrecisionModel();
-	  this.parser = new GeoJSONParser(this.geometryFactory);
-	};
-	/**
-	 * Reads a GeoJSON representation of a {@link Geometry}
-	 *
-	 * Will also parse GeoJSON Features/FeatureCollections as custom objects.
-	 *
-	 * @param {Object|String} geoJson a GeoJSON Object or String.
-	 * @return {Geometry|Object} a <code>Geometry or Feature/FeatureCollection representation.</code>
-	 * @memberof GeoJSONReader
-	 */
-	GeoJSONReader.prototype.read = function read (geoJson) {
-	  var geometry = this.parser.read(geoJson);
-
-	  if (this.precisionModel.getType() === PrecisionModel.FIXED) {
-	    this.reducePrecision(geometry);
-	  }
-
-	  return geometry
-	};
-
-	// NOTE: this is a hack
-	GeoJSONReader.prototype.reducePrecision = function reducePrecision (geometry) {
-	    var this$1 = this;
-
-	  var i, len;
-
-	  if (geometry.coordinate) {
-	    this.precisionModel.makePrecise(geometry.coordinate);
-	  } else if (geometry.points) {
-	    for (i = 0, len = geometry.points.length; i < len; i++) {
-	      this$1.precisionModel.makePrecise(geometry.points[i]);
-	    }
-	  } else if (geometry.geometries) {
-	    for (i = 0, len = geometry.geometries.length; i < len; i++) {
-	      this$1.reducePrecision(geometry.geometries[i]);
-	    }
-	  }
-	};
-
-	/**
-	 * @module GeoJSONWriter
-	 */
-
-	/**
-	 * Writes the GeoJSON representation of a {@link Geometry}. The
-	 * The GeoJSON format is defined <A
-	 * HREF="http://geojson.org/geojson-spec.html">here</A>.
-	 */
-
-	/**
-	 * The <code>GeoJSONWriter</code> outputs coordinates rounded to the precision
-	 * model. Only the maximum number of decimal places necessary to represent the
-	 * ordinates to the required precision will be output.
-	 *
-	 * @param {GeometryFactory} geometryFactory
-	 * @constructor
-	 */
-	var GeoJSONWriter = function GeoJSONWriter () {
-	  this.parser = new GeoJSONParser(this.geometryFactory);
-	};
-	/**
-	 * Converts a <code>Geometry</code> to its GeoJSON representation.
-	 *
-	 * @param {Geometry}
-	 *        geometry a <code>Geometry</code> to process.
-	 * @return {Object} The GeoJSON representation of the Geometry.
-	 * @memberof GeoJSONWriter
-	 */
-	GeoJSONWriter.prototype.write = function write (geometry) {
-	  return this.parser.write(geometry)
-	};
-
-	/* eslint-disable no-undef */
-
-	// io
-
-	var Position = function Position () {};
-
-	var staticAccessors$20 = { ON: { configurable: true },LEFT: { configurable: true },RIGHT: { configurable: true } };
-
-	Position.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Position.prototype.getClass = function getClass () {
-	  return Position
-	};
-	Position.opposite = function opposite (position) {
-	  if (position === Position.LEFT) { return Position.RIGHT }
-	  if (position === Position.RIGHT) { return Position.LEFT }
-	  return position
-	};
-	staticAccessors$20.ON.get = function () { return 0 };
-	staticAccessors$20.LEFT.get = function () { return 1 };
-	staticAccessors$20.RIGHT.get = function () { return 2 };
-
-	Object.defineProperties( Position, staticAccessors$20 );
-
-	/**
-	 * @param {string=} message Optional message
-	 * @extends {Error}
-	 * @constructor
-	 * @private
-	 */
-	function EmptyStackException (message) {
-	  this.message = message || '';
-	}
-	EmptyStackException.prototype = new Error();
-
-	/**
-	 * @type {string}
-	 */
-	EmptyStackException.prototype.name = 'EmptyStackException';
-
-	/**
-	 * @see http://download.oracle.com/javase/6/docs/api/java/util/Stack.html
-	 *
-	 * @extends {List}
-	 * @constructor
-	 * @private
-	 */
-	function Stack () {
-	  /**
-	   * @type {Array}
-	   * @private
-	   */
-	  this.array_ = [];
-	}
-	Stack.prototype = new List();
-
-	/**
-	 * @override
-	 */
-	Stack.prototype.add = function (e) {
-	  this.array_.push(e);
-	  return true
-	};
-
-	/**
-	 * @override
-	 */
-	Stack.prototype.get = function (index) {
-	  if (index < 0 || index >= this.size()) {
-	    throw new Error()
-	  }
-
-	  return this.array_[index]
-	};
-
-	/**
-	 * Pushes an item onto the top of this stack.
-	 * @param {Object} e
-	 * @return {Object}
-	 */
-	Stack.prototype.push = function (e) {
-	  this.array_.push(e);
-	  return e
-	};
-
-	/**
-	 * Pushes an item onto the top of this stack.
-	 * @param {Object} e
-	 * @return {Object}
-	 */
-	Stack.prototype.pop = function (e) {
-	  if (this.array_.length === 0) {
-	    throw new EmptyStackException()
-	  }
-
-	  return this.array_.pop()
-	};
-
-	/**
-	 * Looks at the object at the top of this stack without removing it from the
-	 * stack.
-	 * @return {Object}
-	 */
-	Stack.prototype.peek = function () {
-	  if (this.array_.length === 0) {
-	    throw new EmptyStackException()
-	  }
-
-	  return this.array_[this.array_.length - 1]
-	};
-
-	/**
-	 * Tests if this stack is empty.
-	 * @return {boolean} true if and only if this stack contains no items; false
-	 *         otherwise.
-	 */
-	Stack.prototype.empty = function () {
-	  if (this.array_.length === 0) {
-	    return true
-	  } else {
-	    return false
-	  }
-	};
-
-	/**
-	 * @return {boolean}
-	 */
-	Stack.prototype.isEmpty = function () {
-	  return this.empty()
-	};
-
-	/**
-	 * Returns the 1-based position where an object is on this stack. If the object
-	 * o occurs as an item in this stack, this method returns the distance from the
-	 * top of the stack of the occurrence nearest the top of the stack; the topmost
-	 * item on the stack is considered to be at distance 1. The equals method is
-	 * used to compare o to the items in this stack.
-	 *
-	 * NOTE: does not currently actually use equals. (=== is used)
-	 *
-	 * @param {Object} o
-	 * @return {number} the 1-based position from the top of the stack where the
-	 *         object is located; the return value -1 indicates that the object is
-	 *         not on the stack.
-	 */
-	Stack.prototype.search = function (o) {
-	  return this.array_.indexOf(o)
-	};
-
-	/**
-	 * @return {number}
-	 * @export
-	 */
-	Stack.prototype.size = function () {
-	  return this.array_.length
-	};
-
-	/**
-	 * @return {Array}
-	 */
-	Stack.prototype.toArray = function () {
-	  var this$1 = this;
-
-	  var array = [];
-
-	  for (var i = 0, len = this.array_.length; i < len; i++) {
-	    array.push(this$1.array_[i]);
-	  }
-
-	  return array
-	};
-
-	var RightmostEdgeFinder = function RightmostEdgeFinder () {
-	  this._minIndex = -1;
-	  this._minCoord = null;
-	  this._minDe = null;
-	  this._orientedDe = null;
-	};
-	RightmostEdgeFinder.prototype.getCoordinate = function getCoordinate () {
-	  return this._minCoord
-	};
-	RightmostEdgeFinder.prototype.getRightmostSide = function getRightmostSide (de, index) {
-	  var side = this.getRightmostSideOfSegment(de, index);
-	  if (side < 0) { side = this.getRightmostSideOfSegment(de, index - 1); }
-	  if (side < 0) {
-	    this._minCoord = null;
-	    this.checkForRightmostCoordinate(de);
-	  }
-	  return side
-	};
-	RightmostEdgeFinder.prototype.findRightmostEdgeAtVertex = function findRightmostEdgeAtVertex () {
-	  var pts = this._minDe.getEdge().getCoordinates();
-	  Assert.isTrue(this._minIndex > 0 && this._minIndex < pts.length, 'rightmost point expected to be interior vertex of edge');
-	  var pPrev = pts[this._minIndex - 1];
-	  var pNext = pts[this._minIndex + 1];
-	  var orientation = CGAlgorithms.computeOrientation(this._minCoord, pNext, pPrev);
-	  var usePrev = false;
-	  if (pPrev.y < this._minCoord.y && pNext.y < this._minCoord.y && orientation === CGAlgorithms.COUNTERCLOCKWISE) {
-	    usePrev = true;
-	  } else if (pPrev.y > this._minCoord.y && pNext.y > this._minCoord.y && orientation === CGAlgorithms.CLOCKWISE) {
-	    usePrev = true;
-	  }
-	  if (usePrev) {
-	    this._minIndex = this._minIndex - 1;
-	  }
-	};
-	RightmostEdgeFinder.prototype.getRightmostSideOfSegment = function getRightmostSideOfSegment (de, i) {
-	  var e = de.getEdge();
-	  var coord = e.getCoordinates();
-	  if (i < 0 || i + 1 >= coord.length) { return -1 }
-	  if (coord[i].y === coord[i + 1].y) { return -1 }
-	  var pos = Position.LEFT;
-	  if (coord[i].y < coord[i + 1].y) { pos = Position.RIGHT; }
-	  return pos
-	};
-	RightmostEdgeFinder.prototype.getEdge = function getEdge () {
-	  return this._orientedDe
-	};
-	RightmostEdgeFinder.prototype.checkForRightmostCoordinate = function checkForRightmostCoordinate (de) {
-	    var this$1 = this;
-
-	  var coord = de.getEdge().getCoordinates();
-	  for (var i = 0; i < coord.length - 1; i++) {
-	    if (this$1._minCoord === null || coord[i].x > this$1._minCoord.x) {
-	      this$1._minDe = de;
-	      this$1._minIndex = i;
-	      this$1._minCoord = coord[i];
-	    }
-	  }
-	};
-	RightmostEdgeFinder.prototype.findRightmostEdgeAtNode = function findRightmostEdgeAtNode () {
-	  var node = this._minDe.getNode();
-	  var star = node.getEdges();
-	  this._minDe = star.getRightmostEdge();
-	  if (!this._minDe.isForward()) {
-	    this._minDe = this._minDe.getSym();
-	    this._minIndex = this._minDe.getEdge().getCoordinates().length - 1;
-	  }
-	};
-	RightmostEdgeFinder.prototype.findEdge = function findEdge (dirEdgeList) {
-	    var this$1 = this;
-
-	  for (var i = dirEdgeList.iterator(); i.hasNext();) {
-	    var de = i.next();
-	    if (!de.isForward()) { continue }
-	    this$1.checkForRightmostCoordinate(de);
-	  }
-	  Assert.isTrue(this._minIndex !== 0 || this._minCoord.equals(this._minDe.getCoordinate()), 'inconsistency in rightmost processing');
-	  if (this._minIndex === 0) {
-	    this.findRightmostEdgeAtNode();
-	  } else {
-	    this.findRightmostEdgeAtVertex();
-	  }
-	  this._orientedDe = this._minDe;
-	  var rightmostSide = this.getRightmostSide(this._minDe, this._minIndex);
-	  if (rightmostSide === Position.LEFT) {
-	    this._orientedDe = this._minDe.getSym();
-	  }
-	};
-	RightmostEdgeFinder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	RightmostEdgeFinder.prototype.getClass = function getClass () {
-	  return RightmostEdgeFinder
-	};
-
-	var TopologyException = (function (RuntimeException$$1) {
-	  function TopologyException (msg, pt) {
-	    RuntimeException$$1.call(this, TopologyException.msgWithCoord(msg, pt));
-	    this.pt = pt ? new Coordinate(pt) : null;
-	    this.name = 'TopologyException';
-	  }
-
-	  if ( RuntimeException$$1 ) TopologyException.__proto__ = RuntimeException$$1;
-	  TopologyException.prototype = Object.create( RuntimeException$$1 && RuntimeException$$1.prototype );
-	  TopologyException.prototype.constructor = TopologyException;
-	  TopologyException.prototype.getCoordinate = function getCoordinate () {
-	    return this.pt
-	  };
-	  TopologyException.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  TopologyException.prototype.getClass = function getClass () {
-	    return TopologyException
-	  };
-	  TopologyException.msgWithCoord = function msgWithCoord (msg, pt) {
-	    if (!pt) { return msg + ' [ ' + pt + ' ]' }
-	    return msg
-	  };
-
-	  return TopologyException;
-	}(RuntimeException));
-
-	var LinkedList = function LinkedList () {
-	  this.array_ = [];
-	};
-	LinkedList.prototype.addLast = function addLast (e) {
-	  this.array_.push(e);
-	};
-	LinkedList.prototype.removeFirst = function removeFirst () {
-	  return this.array_.shift()
-	};
-	LinkedList.prototype.isEmpty = function isEmpty () {
-	  return this.array_.length === 0
-	};
-
-	var BufferSubgraph = function BufferSubgraph () {
-	  this._finder = null;
-	  this._dirEdgeList = new ArrayList();
-	  this._nodes = new ArrayList();
-	  this._rightMostCoord = null;
-	  this._env = null;
-	  this._finder = new RightmostEdgeFinder();
-	};
-	BufferSubgraph.prototype.clearVisitedEdges = function clearVisitedEdges () {
-	  for (var it = this._dirEdgeList.iterator(); it.hasNext();) {
-	    var de = it.next();
-	    de.setVisited(false);
-	  }
-	};
-	BufferSubgraph.prototype.getRightmostCoordinate = function getRightmostCoordinate () {
-	  return this._rightMostCoord
-	};
-	BufferSubgraph.prototype.computeNodeDepth = function computeNodeDepth (n) {
-	    var this$1 = this;
-
-	  var startEdge = null;
-	  for (var i = n.getEdges().iterator(); i.hasNext();) {
-	    var de = i.next();
-	    if (de.isVisited() || de.getSym().isVisited()) {
-	      startEdge = de;
-	      break
-	    }
-	  }
-	  if (startEdge === null) { throw new TopologyException('unable to find edge to compute depths at ' + n.getCoordinate()) }
-	  n.getEdges().computeDepths(startEdge);
-	  for (var i$1 = n.getEdges().iterator(); i$1.hasNext();) {
-	    var de$1 = i$1.next();
-	    de$1.setVisited(true);
-	    this$1.copySymDepths(de$1);
-	  }
-	};
-	BufferSubgraph.prototype.computeDepth = function computeDepth (outsideDepth) {
-	  this.clearVisitedEdges();
-	  var de = this._finder.getEdge();
-	  // const n = de.getNode()
-	  // const label = de.getLabel()
-	  de.setEdgeDepths(Position.RIGHT, outsideDepth);
-	  this.copySymDepths(de);
-	  this.computeDepths(de);
-	};
-	BufferSubgraph.prototype.create = function create (node) {
-	  this.addReachable(node);
-	  this._finder.findEdge(this._dirEdgeList);
-	  this._rightMostCoord = this._finder.getCoordinate();
-	};
-	BufferSubgraph.prototype.findResultEdges = function findResultEdges () {
-	  for (var it = this._dirEdgeList.iterator(); it.hasNext();) {
-	    var de = it.next();
-	    if (de.getDepth(Position.RIGHT) >= 1 && de.getDepth(Position.LEFT) <= 0 && !de.isInteriorAreaEdge()) {
-	      de.setInResult(true);
-	    }
-	  }
-	};
-	BufferSubgraph.prototype.computeDepths = function computeDepths (startEdge) {
-	    var this$1 = this;
-
-	  var nodesVisited = new HashSet();
-	  var nodeQueue = new LinkedList();
-	  var startNode = startEdge.getNode();
-	  nodeQueue.addLast(startNode);
-	  nodesVisited.add(startNode);
-	  startEdge.setVisited(true);
-	  while (!nodeQueue.isEmpty()) {
-	    var n = nodeQueue.removeFirst();
-	    nodesVisited.add(n);
-	    this$1.computeNodeDepth(n);
-	    for (var i = n.getEdges().iterator(); i.hasNext();) {
-	      var de = i.next();
-	      var sym = de.getSym();
-	      if (sym.isVisited()) { continue }
-	      var adjNode = sym.getNode();
-	      if (!nodesVisited.contains(adjNode)) {
-	        nodeQueue.addLast(adjNode);
-	        nodesVisited.add(adjNode);
-	      }
-	    }
-	  }
-	};
-	BufferSubgraph.prototype.compareTo = function compareTo (o) {
-	  var graph = o;
-	  if (this._rightMostCoord.x < graph._rightMostCoord.x) {
-	    return -1
-	  }
-	  if (this._rightMostCoord.x > graph._rightMostCoord.x) {
-	    return 1
-	  }
-	  return 0
-	};
-	BufferSubgraph.prototype.getEnvelope = function getEnvelope () {
-	  if (this._env === null) {
-	    var edgeEnv = new Envelope();
-	    for (var it = this._dirEdgeList.iterator(); it.hasNext();) {
-	      var dirEdge = it.next();
-	      var pts = dirEdge.getEdge().getCoordinates();
-	      for (var i = 0; i < pts.length - 1; i++) {
-	        edgeEnv.expandToInclude(pts[i]);
-	      }
-	    }
-	    this._env = edgeEnv;
-	  }
-	  return this._env
-	};
-	BufferSubgraph.prototype.addReachable = function addReachable (startNode) {
-	    var this$1 = this;
-
-	  var nodeStack = new Stack();
-	  nodeStack.add(startNode);
-	  while (!nodeStack.empty()) {
-	    var node = nodeStack.pop();
-	    this$1.add(node, nodeStack);
-	  }
-	};
-	BufferSubgraph.prototype.copySymDepths = function copySymDepths (de) {
-	  var sym = de.getSym();
-	  sym.setDepth(Position.LEFT, de.getDepth(Position.RIGHT));
-	  sym.setDepth(Position.RIGHT, de.getDepth(Position.LEFT));
-	};
-	BufferSubgraph.prototype.add = function add (node, nodeStack) {
-	    var this$1 = this;
-
-	  node.setVisited(true);
-	  this._nodes.add(node);
-	  for (var i = node.getEdges().iterator(); i.hasNext();) {
-	    var de = i.next();
-	    this$1._dirEdgeList.add(de);
-	    var sym = de.getSym();
-	    var symNode = sym.getNode();
-	    if (!symNode.isVisited()) { nodeStack.push(symNode); }
-	  }
-	};
-	BufferSubgraph.prototype.getNodes = function getNodes () {
-	  return this._nodes
-	};
-	BufferSubgraph.prototype.getDirectedEdges = function getDirectedEdges () {
-	  return this._dirEdgeList
-	};
-	BufferSubgraph.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable]
-	};
-	BufferSubgraph.prototype.getClass = function getClass () {
-	  return BufferSubgraph
-	};
-
-	var TopologyLocation = function TopologyLocation () {
-	  var this$1 = this;
-
-	  this.location = null;
-	  if (arguments.length === 1) {
-	    if (arguments[0] instanceof Array) {
-	      var location = arguments[0];
-	      this.init(location.length);
-	    } else if (Number.isInteger(arguments[0])) {
-	      var on = arguments[0];
-	      this.init(1);
-	      this.location[Position.ON] = on;
-	    } else if (arguments[0] instanceof TopologyLocation) {
-	      var gl = arguments[0];
-	      this.init(gl.location.length);
-	      if (gl !== null) {
-	        for (var i = 0; i < this.location.length; i++) {
-	          this$1.location[i] = gl.location[i];
-	        }
-	      }
-	    }
-	  } else if (arguments.length === 3) {
-	    var on$1 = arguments[0];
-	    var left = arguments[1];
-	    var right = arguments[2];
-	    this.init(3);
-	    this.location[Position.ON] = on$1;
-	    this.location[Position.LEFT] = left;
-	    this.location[Position.RIGHT] = right;
-	  }
-	};
-	TopologyLocation.prototype.setAllLocations = function setAllLocations (locValue) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this.location.length; i++) {
-	    this$1.location[i] = locValue;
-	  }
-	};
-	TopologyLocation.prototype.isNull = function isNull () {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this.location.length; i++) {
-	    if (this$1.location[i] !== Location.NONE) { return false }
-	  }
-	  return true
-	};
-	TopologyLocation.prototype.setAllLocationsIfNull = function setAllLocationsIfNull (locValue) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this.location.length; i++) {
-	    if (this$1.location[i] === Location.NONE) { this$1.location[i] = locValue; }
-	  }
-	};
-	TopologyLocation.prototype.isLine = function isLine () {
-	  return this.location.length === 1
-	};
-	TopologyLocation.prototype.merge = function merge (gl) {
-	    var this$1 = this;
-
-	  if (gl.location.length > this.location.length) {
-	    var newLoc = new Array(3).fill(null);
-	    newLoc[Position.ON] = this.location[Position.ON];
-	    newLoc[Position.LEFT] = Location.NONE;
-	    newLoc[Position.RIGHT] = Location.NONE;
-	    this.location = newLoc;
-	  }
-	  for (var i = 0; i < this.location.length; i++) {
-	    if (this$1.location[i] === Location.NONE && i < gl.location.length) { this$1.location[i] = gl.location[i]; }
-	  }
-	};
-	TopologyLocation.prototype.getLocations = function getLocations () {
-	  return this.location
-	};
-	TopologyLocation.prototype.flip = function flip () {
-	  if (this.location.length <= 1) { return null }
-	  var temp = this.location[Position.LEFT];
-	  this.location[Position.LEFT] = this.location[Position.RIGHT];
-	  this.location[Position.RIGHT] = temp;
-	};
-	TopologyLocation.prototype.toString = function toString () {
-	  var buf = new StringBuffer();
-	  if (this.location.length > 1) { buf.append(Location.toLocationSymbol(this.location[Position.LEFT])); }
-	  buf.append(Location.toLocationSymbol(this.location[Position.ON]));
-	  if (this.location.length > 1) { buf.append(Location.toLocationSymbol(this.location[Position.RIGHT])); }
-	  return buf.toString()
-	};
-	TopologyLocation.prototype.setLocations = function setLocations (on, left, right) {
-	  this.location[Position.ON] = on;
-	  this.location[Position.LEFT] = left;
-	  this.location[Position.RIGHT] = right;
-	};
-	TopologyLocation.prototype.get = function get (posIndex) {
-	  if (posIndex < this.location.length) { return this.location[posIndex] }
-	  return Location.NONE
-	};
-	TopologyLocation.prototype.isArea = function isArea () {
-	  return this.location.length > 1
-	};
-	TopologyLocation.prototype.isAnyNull = function isAnyNull () {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this.location.length; i++) {
-	    if (this$1.location[i] === Location.NONE) { return true }
-	  }
-	  return false
-	};
-	TopologyLocation.prototype.setLocation = function setLocation () {
-	  if (arguments.length === 1) {
-	    var locValue = arguments[0];
-	    this.setLocation(Position.ON, locValue);
-	  } else if (arguments.length === 2) {
-	    var locIndex = arguments[0];
-	    var locValue$1 = arguments[1];
-	    this.location[locIndex] = locValue$1;
-	  }
-	};
-	TopologyLocation.prototype.init = function init (size) {
-	  this.location = new Array(size).fill(null);
-	  this.setAllLocations(Location.NONE);
-	};
-	TopologyLocation.prototype.isEqualOnSide = function isEqualOnSide (le, locIndex) {
-	  return this.location[locIndex] === le.location[locIndex]
-	};
-	TopologyLocation.prototype.allPositionsEqual = function allPositionsEqual (loc) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this.location.length; i++) {
-	    if (this$1.location[i] !== loc) { return false }
-	  }
-	  return true
-	};
-	TopologyLocation.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	TopologyLocation.prototype.getClass = function getClass () {
-	  return TopologyLocation
-	};
-
-	var Label = function Label () {
-	  this.elt = new Array(2).fill(null);
-	  if (arguments.length === 1) {
-	    if (Number.isInteger(arguments[0])) {
-	      var onLoc = arguments[0];
-	      this.elt[0] = new TopologyLocation(onLoc);
-	      this.elt[1] = new TopologyLocation(onLoc);
-	    } else if (arguments[0] instanceof Label) {
-	      var lbl = arguments[0];
-	      this.elt[0] = new TopologyLocation(lbl.elt[0]);
-	      this.elt[1] = new TopologyLocation(lbl.elt[1]);
-	    }
-	  } else if (arguments.length === 2) {
-	    var geomIndex = arguments[0];
-	    var onLoc$1 = arguments[1];
-	    this.elt[0] = new TopologyLocation(Location.NONE);
-	    this.elt[1] = new TopologyLocation(Location.NONE);
-	    this.elt[geomIndex].setLocation(onLoc$1);
-	  } else if (arguments.length === 3) {
-	    var onLoc$2 = arguments[0];
-	    var leftLoc = arguments[1];
-	    var rightLoc = arguments[2];
-	    this.elt[0] = new TopologyLocation(onLoc$2, leftLoc, rightLoc);
-	    this.elt[1] = new TopologyLocation(onLoc$2, leftLoc, rightLoc);
-	  } else if (arguments.length === 4) {
-	    var geomIndex$1 = arguments[0];
-	    var onLoc$3 = arguments[1];
-	    var leftLoc$1 = arguments[2];
-	    var rightLoc$1 = arguments[3];
-	    this.elt[0] = new TopologyLocation(Location.NONE, Location.NONE, Location.NONE);
-	    this.elt[1] = new TopologyLocation(Location.NONE, Location.NONE, Location.NONE);
-	    this.elt[geomIndex$1].setLocations(onLoc$3, leftLoc$1, rightLoc$1);
-	  }
-	};
-	Label.prototype.getGeometryCount = function getGeometryCount () {
-	  var count = 0;
-	  if (!this.elt[0].isNull()) { count++; }
-	  if (!this.elt[1].isNull()) { count++; }
-	  return count
-	};
-	Label.prototype.setAllLocations = function setAllLocations (geomIndex, location) {
-	  this.elt[geomIndex].setAllLocations(location);
-	};
-	Label.prototype.isNull = function isNull (geomIndex) {
-	  return this.elt[geomIndex].isNull()
-	};
-	Label.prototype.setAllLocationsIfNull = function setAllLocationsIfNull () {
-	  if (arguments.length === 1) {
-	    var location = arguments[0];
-	    this.setAllLocationsIfNull(0, location);
-	    this.setAllLocationsIfNull(1, location);
-	  } else if (arguments.length === 2) {
-	    var geomIndex = arguments[0];
-	    var location$1 = arguments[1];
-	    this.elt[geomIndex].setAllLocationsIfNull(location$1);
-	  }
-	};
-	Label.prototype.isLine = function isLine (geomIndex) {
-	  return this.elt[geomIndex].isLine()
-	};
-	Label.prototype.merge = function merge (lbl) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < 2; i++) {
-	    if (this$1.elt[i] === null && lbl.elt[i] !== null) {
-	      this$1.elt[i] = new TopologyLocation(lbl.elt[i]);
-	    } else {
-	      this$1.elt[i].merge(lbl.elt[i]);
-	    }
-	  }
-	};
-	Label.prototype.flip = function flip () {
-	  this.elt[0].flip();
-	  this.elt[1].flip();
-	};
-	Label.prototype.getLocation = function getLocation () {
-	  if (arguments.length === 1) {
-	    var geomIndex = arguments[0];
-	    return this.elt[geomIndex].get(Position.ON)
-	  } else if (arguments.length === 2) {
-	    var geomIndex$1 = arguments[0];
-	    var posIndex = arguments[1];
-	    return this.elt[geomIndex$1].get(posIndex)
-	  }
-	};
-	Label.prototype.toString = function toString () {
-	  var buf = new StringBuffer();
-	  if (this.elt[0] !== null) {
-	    buf.append('A:');
-	    buf.append(this.elt[0].toString());
-	  }
-	  if (this.elt[1] !== null) {
-	    buf.append(' B:');
-	    buf.append(this.elt[1].toString());
-	  }
-	  return buf.toString()
-	};
-	Label.prototype.isArea = function isArea () {
-	  if (arguments.length === 0) {
-	    return this.elt[0].isArea() || this.elt[1].isArea()
-	  } else if (arguments.length === 1) {
-	    var geomIndex = arguments[0];
-	    return this.elt[geomIndex].isArea()
-	  }
-	};
-	Label.prototype.isAnyNull = function isAnyNull (geomIndex) {
-	  return this.elt[geomIndex].isAnyNull()
-	};
-	Label.prototype.setLocation = function setLocation () {
-	  if (arguments.length === 2) {
-	    var geomIndex = arguments[0];
-	    var location = arguments[1];
-	    this.elt[geomIndex].setLocation(Position.ON, location);
-	  } else if (arguments.length === 3) {
-	    var geomIndex$1 = arguments[0];
-	    var posIndex = arguments[1];
-	    var location$1 = arguments[2];
-	    this.elt[geomIndex$1].setLocation(posIndex, location$1);
-	  }
-	};
-	Label.prototype.isEqualOnSide = function isEqualOnSide (lbl, side) {
-	  return this.elt[0].isEqualOnSide(lbl.elt[0], side) && this.elt[1].isEqualOnSide(lbl.elt[1], side)
-	};
-	Label.prototype.allPositionsEqual = function allPositionsEqual (geomIndex, loc) {
-	  return this.elt[geomIndex].allPositionsEqual(loc)
-	};
-	Label.prototype.toLine = function toLine (geomIndex) {
-	  if (this.elt[geomIndex].isArea()) { this.elt[geomIndex] = new TopologyLocation(this.elt[geomIndex].location[0]); }
-	};
-	Label.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Label.prototype.getClass = function getClass () {
-	  return Label
-	};
-	Label.toLineLabel = function toLineLabel (label) {
-	  var lineLabel = new Label(Location.NONE);
-	  for (var i = 0; i < 2; i++) {
-	    lineLabel.setLocation(i, label.getLocation(i));
-	  }
-	  return lineLabel
-	};
-
-	var EdgeRing = function EdgeRing () {
-	  this._startDe = null;
-	  this._maxNodeDegree = -1;
-	  this._edges = new ArrayList();
-	  this._pts = new ArrayList();
-	  this._label = new Label(Location.NONE);
-	  this._ring = null;
-	  this._isHole = null;
-	  this._shell = null;
-	  this._holes = new ArrayList();
-	  this._geometryFactory = null;
-	  var start = arguments[0];
-	  var geometryFactory = arguments[1];
-	  this._geometryFactory = geometryFactory;
-	  this.computePoints(start);
-	  this.computeRing();
-	};
-	EdgeRing.prototype.computeRing = function computeRing () {
-	    var this$1 = this;
-
-	  if (this._ring !== null) { return null }
-	  var coord = new Array(this._pts.size()).fill(null);
-	  for (var i = 0; i < this._pts.size(); i++) {
-	    coord[i] = this$1._pts.get(i);
-	  }
-	  this._ring = this._geometryFactory.createLinearRing(coord);
-	  this._isHole = CGAlgorithms.isCCW(this._ring.getCoordinates());
-	};
-	EdgeRing.prototype.isIsolated = function isIsolated () {
-	  return this._label.getGeometryCount() === 1
-	};
-	EdgeRing.prototype.computePoints = function computePoints (start) {
-	    var this$1 = this;
-
-	  this._startDe = start;
-	  var de = start;
-	  var isFirstEdge = true;
-	  do {
-	    if (de === null) { throw new TopologyException('Found null DirectedEdge') }
-	    if (de.getEdgeRing() === this$1) { throw new TopologyException('Directed Edge visited twice during ring-building at ' + de.getCoordinate()) }
-	    this$1._edges.add(de);
-	    var label = de.getLabel();
-	    Assert.isTrue(label.isArea());
-	    this$1.mergeLabel(label);
-	    this$1.addPoints(de.getEdge(), de.isForward(), isFirstEdge);
-	    isFirstEdge = false;
-	    this$1.setEdgeRing(de, this$1);
-	    de = this$1.getNext(de);
-	  } while (de !== this._startDe)
-	};
-	EdgeRing.prototype.getLinearRing = function getLinearRing () {
-	  return this._ring
-	};
-	EdgeRing.prototype.getCoordinate = function getCoordinate (i) {
-	  return this._pts.get(i)
-	};
-	EdgeRing.prototype.computeMaxNodeDegree = function computeMaxNodeDegree () {
-	    var this$1 = this;
-
-	  this._maxNodeDegree = 0;
-	  var de = this._startDe;
-	  do {
-	    var node = de.getNode();
-	    var degree = node.getEdges().getOutgoingDegree(this$1);
-	    if (degree > this$1._maxNodeDegree) { this$1._maxNodeDegree = degree; }
-	    de = this$1.getNext(de);
-	  } while (de !== this._startDe)
-	  this._maxNodeDegree *= 2;
-	};
-	EdgeRing.prototype.addPoints = function addPoints (edge, isForward, isFirstEdge) {
-	    var this$1 = this;
-
-	  var edgePts = edge.getCoordinates();
-	  if (isForward) {
-	    var startIndex = 1;
-	    if (isFirstEdge) { startIndex = 0; }
-	    for (var i = startIndex; i < edgePts.length; i++) {
-	      this$1._pts.add(edgePts[i]);
-	    }
-	  } else {
-	    var startIndex$1 = edgePts.length - 2;
-	    if (isFirstEdge) { startIndex$1 = edgePts.length - 1; }
-	    for (var i$1 = startIndex$1; i$1 >= 0; i$1--) {
-	      this$1._pts.add(edgePts[i$1]);
-	    }
-	  }
-	};
-	EdgeRing.prototype.isHole = function isHole () {
-	  return this._isHole
-	};
-	EdgeRing.prototype.setInResult = function setInResult () {
-	  var de = this._startDe;
-	  do {
-	    de.getEdge().setInResult(true);
-	    de = de.getNext();
-	  } while (de !== this._startDe)
-	};
-	EdgeRing.prototype.containsPoint = function containsPoint (p) {
-	  var shell = this.getLinearRing();
-	  var env = shell.getEnvelopeInternal();
-	  if (!env.contains(p)) { return false }
-	  if (!CGAlgorithms.isPointInRing(p, shell.getCoordinates())) { return false }
-	  for (var i = this._holes.iterator(); i.hasNext();) {
-	    var hole = i.next();
-	    if (hole.containsPoint(p)) { return false }
-	  }
-	  return true
-	};
-	EdgeRing.prototype.addHole = function addHole (ring) {
-	  this._holes.add(ring);
-	};
-	EdgeRing.prototype.isShell = function isShell () {
-	  return this._shell === null
-	};
-	EdgeRing.prototype.getLabel = function getLabel () {
-	  return this._label
-	};
-	EdgeRing.prototype.getEdges = function getEdges () {
-	  return this._edges
-	};
-	EdgeRing.prototype.getMaxNodeDegree = function getMaxNodeDegree () {
-	  if (this._maxNodeDegree < 0) { this.computeMaxNodeDegree(); }
-	  return this._maxNodeDegree
-	};
-	EdgeRing.prototype.getShell = function getShell () {
-	  return this._shell
-	};
-	EdgeRing.prototype.mergeLabel = function mergeLabel () {
-	  if (arguments.length === 1) {
-	    var deLabel = arguments[0];
-	    this.mergeLabel(deLabel, 0);
-	    this.mergeLabel(deLabel, 1);
-	  } else if (arguments.length === 2) {
-	    var deLabel$1 = arguments[0];
-	    var geomIndex = arguments[1];
-	    var loc = deLabel$1.getLocation(geomIndex, Position.RIGHT);
-	    if (loc === Location.NONE) { return null }
-	    if (this._label.getLocation(geomIndex) === Location.NONE) {
-	      this._label.setLocation(geomIndex, loc);
-	      return null
-	    }
-	  }
-	};
-	EdgeRing.prototype.setShell = function setShell (shell) {
-	  this._shell = shell;
-	  if (shell !== null) { shell.addHole(this); }
-	};
-	EdgeRing.prototype.toPolygon = function toPolygon (geometryFactory) {
-	    var this$1 = this;
-
-	  var holeLR = new Array(this._holes.size()).fill(null);
-	  for (var i = 0; i < this._holes.size(); i++) {
-	    holeLR[i] = this$1._holes.get(i).getLinearRing();
-	  }
-	  var poly = geometryFactory.createPolygon(this.getLinearRing(), holeLR);
-	  return poly
-	};
-	EdgeRing.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	EdgeRing.prototype.getClass = function getClass () {
-	  return EdgeRing
-	};
-
-	var MinimalEdgeRing = (function (EdgeRing$$1) {
-	  function MinimalEdgeRing () {
-	    var start = arguments[0];
-	    var geometryFactory = arguments[1];
-	    EdgeRing$$1.call(this, start, geometryFactory);
-	  }
-
-	  if ( EdgeRing$$1 ) MinimalEdgeRing.__proto__ = EdgeRing$$1;
-	  MinimalEdgeRing.prototype = Object.create( EdgeRing$$1 && EdgeRing$$1.prototype );
-	  MinimalEdgeRing.prototype.constructor = MinimalEdgeRing;
-	  MinimalEdgeRing.prototype.setEdgeRing = function setEdgeRing (de, er) {
-	    de.setMinEdgeRing(er);
-	  };
-	  MinimalEdgeRing.prototype.getNext = function getNext (de) {
-	    return de.getNextMin()
-	  };
-	  MinimalEdgeRing.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  MinimalEdgeRing.prototype.getClass = function getClass () {
-	    return MinimalEdgeRing
-	  };
-
-	  return MinimalEdgeRing;
-	}(EdgeRing));
-
-	var MaximalEdgeRing = (function (EdgeRing$$1) {
-	  function MaximalEdgeRing () {
-	    var start = arguments[0];
-	    var geometryFactory = arguments[1];
-	    EdgeRing$$1.call(this, start, geometryFactory);
-	  }
-
-	  if ( EdgeRing$$1 ) MaximalEdgeRing.__proto__ = EdgeRing$$1;
-	  MaximalEdgeRing.prototype = Object.create( EdgeRing$$1 && EdgeRing$$1.prototype );
-	  MaximalEdgeRing.prototype.constructor = MaximalEdgeRing;
-	  MaximalEdgeRing.prototype.buildMinimalRings = function buildMinimalRings () {
-	    var this$1 = this;
-
-	    var minEdgeRings = new ArrayList();
-	    var de = this._startDe;
-	    do {
-	      if (de.getMinEdgeRing() === null) {
-	        var minEr = new MinimalEdgeRing(de, this$1._geometryFactory);
-	        minEdgeRings.add(minEr);
-	      }
-	      de = de.getNext();
-	    } while (de !== this._startDe)
-	    return minEdgeRings
-	  };
-	  MaximalEdgeRing.prototype.setEdgeRing = function setEdgeRing (de, er) {
-	    de.setEdgeRing(er);
-	  };
-	  MaximalEdgeRing.prototype.linkDirectedEdgesForMinimalEdgeRings = function linkDirectedEdgesForMinimalEdgeRings () {
-	    var this$1 = this;
-
-	    var de = this._startDe;
-	    do {
-	      var node = de.getNode();
-	      node.getEdges().linkMinimalDirectedEdges(this$1);
-	      de = de.getNext();
-	    } while (de !== this._startDe)
-	  };
-	  MaximalEdgeRing.prototype.getNext = function getNext (de) {
-	    return de.getNext()
-	  };
-	  MaximalEdgeRing.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  MaximalEdgeRing.prototype.getClass = function getClass () {
-	    return MaximalEdgeRing
-	  };
-
-	  return MaximalEdgeRing;
-	}(EdgeRing));
-
-	var GraphComponent = function GraphComponent () {
-	  this._label = null;
-	  this._isInResult = false;
-	  this._isCovered = false;
-	  this._isCoveredSet = false;
-	  this._isVisited = false;
-	  if (arguments.length === 0) ; else if (arguments.length === 1) {
-	    var label = arguments[0];
-	    this._label = label;
-	  }
-	};
-	GraphComponent.prototype.setVisited = function setVisited (isVisited) {
-	  this._isVisited = isVisited;
-	};
-	GraphComponent.prototype.setInResult = function setInResult (isInResult) {
-	  this._isInResult = isInResult;
-	};
-	GraphComponent.prototype.isCovered = function isCovered () {
-	  return this._isCovered
-	};
-	GraphComponent.prototype.isCoveredSet = function isCoveredSet () {
-	  return this._isCoveredSet
-	};
-	GraphComponent.prototype.setLabel = function setLabel (label) {
-	  this._label = label;
-	};
-	GraphComponent.prototype.getLabel = function getLabel () {
-	  return this._label
-	};
-	GraphComponent.prototype.setCovered = function setCovered (isCovered) {
-	  this._isCovered = isCovered;
-	  this._isCoveredSet = true;
-	};
-	GraphComponent.prototype.updateIM = function updateIM (im) {
-	  Assert.isTrue(this._label.getGeometryCount() >= 2, 'found partial label');
-	  this.computeIM(im);
-	};
-	GraphComponent.prototype.isInResult = function isInResult () {
-	  return this._isInResult
-	};
-	GraphComponent.prototype.isVisited = function isVisited () {
-	  return this._isVisited
-	};
-	GraphComponent.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GraphComponent.prototype.getClass = function getClass () {
-	  return GraphComponent
-	};
-
-	var Node$1 = (function (GraphComponent$$1) {
-	  function Node () {
-	    GraphComponent$$1.call(this);
-	    this._coord = null;
-	    this._edges = null;
-	    var coord = arguments[0];
-	    var edges = arguments[1];
-	    this._coord = coord;
-	    this._edges = edges;
-	    this._label = new Label(0, Location.NONE);
-	  }
-
-	  if ( GraphComponent$$1 ) Node.__proto__ = GraphComponent$$1;
-	  Node.prototype = Object.create( GraphComponent$$1 && GraphComponent$$1.prototype );
-	  Node.prototype.constructor = Node;
-	  Node.prototype.isIncidentEdgeInResult = function isIncidentEdgeInResult () {
-	    for (var it = this.getEdges().getEdges().iterator(); it.hasNext();) {
-	      var de = it.next();
-	      if (de.getEdge().isInResult()) { return true }
-	    }
-	    return false
-	  };
-	  Node.prototype.isIsolated = function isIsolated () {
-	    return this._label.getGeometryCount() === 1
-	  };
-	  Node.prototype.getCoordinate = function getCoordinate () {
-	    return this._coord
-	  };
-	  Node.prototype.print = function print (out) {
-	    out.println('node ' + this._coord + ' lbl: ' + this._label);
-	  };
-	  Node.prototype.computeIM = function computeIM (im) {};
-	  Node.prototype.computeMergedLocation = function computeMergedLocation (label2, eltIndex) {
-	    var loc = Location.NONE;
-	    loc = this._label.getLocation(eltIndex);
-	    if (!label2.isNull(eltIndex)) {
-	      var nLoc = label2.getLocation(eltIndex);
-	      if (loc !== Location.BOUNDARY) { loc = nLoc; }
-	    }
-	    return loc
-	  };
-	  Node.prototype.setLabel = function setLabel () {
-	    if (arguments.length === 2) {
-	      var argIndex = arguments[0];
-	      var onLocation = arguments[1];
-	      if (this._label === null) {
-	        this._label = new Label(argIndex, onLocation);
-	      } else { this._label.setLocation(argIndex, onLocation); }
-	    } else { return GraphComponent$$1.prototype.setLabel.apply(this, arguments) }
-	  };
-	  Node.prototype.getEdges = function getEdges () {
-	    return this._edges
-	  };
-	  Node.prototype.mergeLabel = function mergeLabel () {
-	    var this$1 = this;
-
-	    if (arguments[0] instanceof Node) {
-	      var n = arguments[0];
-	      this.mergeLabel(n._label);
-	    } else if (arguments[0] instanceof Label) {
-	      var label2 = arguments[0];
-	      for (var i = 0; i < 2; i++) {
-	        var loc = this$1.computeMergedLocation(label2, i);
-	        var thisLoc = this$1._label.getLocation(i);
-	        if (thisLoc === Location.NONE) { this$1._label.setLocation(i, loc); }
-	      }
-	    }
-	  };
-	  Node.prototype.add = function add (e) {
-	    this._edges.insert(e);
-	    e.setNode(this);
-	  };
-	  Node.prototype.setLabelBoundary = function setLabelBoundary (argIndex) {
-	    if (this._label === null) { return null }
-	    var loc = Location.NONE;
-	    if (this._label !== null) { loc = this._label.getLocation(argIndex); }
-	    var newLoc = null;
-	    switch (loc) {
-	      case Location.BOUNDARY:
-	        newLoc = Location.INTERIOR;
-	        break
-	      case Location.INTERIOR:
-	        newLoc = Location.BOUNDARY;
-	        break
-	      default:
-	        newLoc = Location.BOUNDARY;
-	        break
-	    }
-	    this._label.setLocation(argIndex, newLoc);
-	  };
-	  Node.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  Node.prototype.getClass = function getClass () {
-	    return Node
-	  };
-
-	  return Node;
-	}(GraphComponent));
-
-	var NodeMap = function NodeMap () {
-	  this.nodeMap = new TreeMap();
-	  this.nodeFact = null;
-	  var nodeFact = arguments[0];
-	  this.nodeFact = nodeFact;
-	};
-	NodeMap.prototype.find = function find (coord) {
-	  return this.nodeMap.get(coord)
-	};
-	NodeMap.prototype.addNode = function addNode () {
-	  if (arguments[0] instanceof Coordinate) {
-	    var coord = arguments[0];
-	    var node = this.nodeMap.get(coord);
-	    if (node === null) {
-	      node = this.nodeFact.createNode(coord);
-	      this.nodeMap.put(coord, node);
-	    }
-	    return node
-	  } else if (arguments[0] instanceof Node$1) {
-	    var n = arguments[0];
-	    var node$1 = this.nodeMap.get(n.getCoordinate());
-	    if (node$1 === null) {
-	      this.nodeMap.put(n.getCoordinate(), n);
-	      return n
-	    }
-	    node$1.mergeLabel(n);
-	    return node$1
-	  }
-	};
-	NodeMap.prototype.print = function print (out) {
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var n = it.next();
-	    n.print(out);
-	  }
-	};
-	NodeMap.prototype.iterator = function iterator () {
-	  return this.nodeMap.values().iterator()
-	};
-	NodeMap.prototype.values = function values () {
-	  return this.nodeMap.values()
-	};
-	NodeMap.prototype.getBoundaryNodes = function getBoundaryNodes (geomIndex) {
-	  var bdyNodes = new ArrayList();
-	  for (var i = this.iterator(); i.hasNext();) {
-	    var node = i.next();
-	    if (node.getLabel().getLocation(geomIndex) === Location.BOUNDARY) { bdyNodes.add(node); }
-	  }
-	  return bdyNodes
-	};
-	NodeMap.prototype.add = function add (e) {
-	  var p = e.getCoordinate();
-	  var n = this.addNode(p);
-	  n.add(e);
-	};
-	NodeMap.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	NodeMap.prototype.getClass = function getClass () {
-	  return NodeMap
-	};
-
-	var Quadrant = function Quadrant () {};
-
-	var staticAccessors$21 = { NE: { configurable: true },NW: { configurable: true },SW: { configurable: true },SE: { configurable: true } };
-
-	Quadrant.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Quadrant.prototype.getClass = function getClass () {
-	  return Quadrant
-	};
-	Quadrant.isNorthern = function isNorthern (quad) {
-	  return quad === Quadrant.NE || quad === Quadrant.NW
-	};
-	Quadrant.isOpposite = function isOpposite (quad1, quad2) {
-	  if (quad1 === quad2) { return false }
-	  var diff = (quad1 - quad2 + 4) % 4;
-	  if (diff === 2) { return true }
-	  return false
-	};
-	Quadrant.commonHalfPlane = function commonHalfPlane (quad1, quad2) {
-	  if (quad1 === quad2) { return quad1 }
-	  var diff = (quad1 - quad2 + 4) % 4;
-	  if (diff === 2) { return -1 }
-	  var min = quad1 < quad2 ? quad1 : quad2;
-	  var max = quad1 > quad2 ? quad1 : quad2;
-	  if (min === 0 && max === 3) { return 3 }
-	  return min
-	};
-	Quadrant.isInHalfPlane = function isInHalfPlane (quad, halfPlane) {
-	  if (halfPlane === Quadrant.SE) {
-	    return quad === Quadrant.SE || quad === Quadrant.SW
-	  }
-	  return quad === halfPlane || quad === halfPlane + 1
-	};
-	Quadrant.quadrant = function quadrant () {
-	  if (typeof arguments[0] === 'number' && typeof arguments[1] === 'number') {
-	    var dx = arguments[0];
-	    var dy = arguments[1];
-	    if (dx === 0.0 && dy === 0.0) { throw new IllegalArgumentException('Cannot compute the quadrant for point ( ' + dx + ', ' + dy + ' )') }
-	    if (dx >= 0.0) {
-	      if (dy >= 0.0) { return Quadrant.NE; } else { return Quadrant.SE }
-	    } else {
-	      if (dy >= 0.0) { return Quadrant.NW; } else { return Quadrant.SW }
-	    }
-	  } else if (arguments[0] instanceof Coordinate && arguments[1] instanceof Coordinate) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    if (p1.x === p0.x && p1.y === p0.y) { throw new IllegalArgumentException('Cannot compute the quadrant for two identical points ' + p0) }
-	    if (p1.x >= p0.x) {
-	      if (p1.y >= p0.y) { return Quadrant.NE; } else { return Quadrant.SE }
-	    } else {
-	      if (p1.y >= p0.y) { return Quadrant.NW; } else { return Quadrant.SW }
-	    }
-	  }
-	};
-	staticAccessors$21.NE.get = function () { return 0 };
-	staticAccessors$21.NW.get = function () { return 1 };
-	staticAccessors$21.SW.get = function () { return 2 };
-	staticAccessors$21.SE.get = function () { return 3 };
-
-	Object.defineProperties( Quadrant, staticAccessors$21 );
-
-	var EdgeEnd = function EdgeEnd () {
-	  this._edge = null;
-	  this._label = null;
-	  this._node = null;
-	  this._p0 = null;
-	  this._p1 = null;
-	  this._dx = null;
-	  this._dy = null;
-	  this._quadrant = null;
-	  if (arguments.length === 1) {
-	    var edge = arguments[0];
-	    this._edge = edge;
-	  } else if (arguments.length === 3) {
-	    var edge$1 = arguments[0];
-	    var p0 = arguments[1];
-	    var p1 = arguments[2];
-	    var label = null;
-	    this._edge = edge$1;
-	    this.init(p0, p1);
-	    this._label = label;
-	  } else if (arguments.length === 4) {
-	    var edge$2 = arguments[0];
-	    var p0$1 = arguments[1];
-	    var p1$1 = arguments[2];
-	    var label$1 = arguments[3];
-	    this._edge = edge$2;
-	    this.init(p0$1, p1$1);
-	    this._label = label$1;
-	  }
-	};
-	EdgeEnd.prototype.compareDirection = function compareDirection (e) {
-	  if (this._dx === e._dx && this._dy === e._dy) { return 0 }
-	  if (this._quadrant > e._quadrant) { return 1 }
-	  if (this._quadrant < e._quadrant) { return -1 }
-	  return CGAlgorithms.computeOrientation(e._p0, e._p1, this._p1)
-	};
-	EdgeEnd.prototype.getDy = function getDy () {
-	  return this._dy
-	};
-	EdgeEnd.prototype.getCoordinate = function getCoordinate () {
-	  return this._p0
-	};
-	EdgeEnd.prototype.setNode = function setNode (node) {
-	  this._node = node;
-	};
-	EdgeEnd.prototype.print = function print (out) {
-	  var angle = Math.atan2(this._dy, this._dx);
-	  var className = this.getClass().getName();
-	  var lastDotPos = className.lastIndexOf('.');
-	  var name = className.substring(lastDotPos + 1);
-	  out.print('  ' + name + ': ' + this._p0 + ' - ' + this._p1 + ' ' + this._quadrant + ':' + angle + '   ' + this._label);
-	};
-	EdgeEnd.prototype.compareTo = function compareTo (obj) {
-	  var e = obj;
-	  return this.compareDirection(e)
-	};
-	EdgeEnd.prototype.getDirectedCoordinate = function getDirectedCoordinate () {
-	  return this._p1
-	};
-	EdgeEnd.prototype.getDx = function getDx () {
-	  return this._dx
-	};
-	EdgeEnd.prototype.getLabel = function getLabel () {
-	  return this._label
-	};
-	EdgeEnd.prototype.getEdge = function getEdge () {
-	  return this._edge
-	};
-	EdgeEnd.prototype.getQuadrant = function getQuadrant () {
-	  return this._quadrant
-	};
-	EdgeEnd.prototype.getNode = function getNode () {
-	  return this._node
-	};
-	EdgeEnd.prototype.toString = function toString () {
-	  var angle = Math.atan2(this._dy, this._dx);
-	  var className = this.getClass().getName();
-	  var lastDotPos = className.lastIndexOf('.');
-	  var name = className.substring(lastDotPos + 1);
-	  return '  ' + name + ': ' + this._p0 + ' - ' + this._p1 + ' ' + this._quadrant + ':' + angle + '   ' + this._label
-	};
-	EdgeEnd.prototype.computeLabel = function computeLabel (boundaryNodeRule) {};
-	EdgeEnd.prototype.init = function init (p0, p1) {
-	  this._p0 = p0;
-	  this._p1 = p1;
-	  this._dx = p1.x - p0.x;
-	  this._dy = p1.y - p0.y;
-	  this._quadrant = Quadrant.quadrant(this._dx, this._dy);
-	  Assert.isTrue(!(this._dx === 0 && this._dy === 0), 'EdgeEnd with identical endpoints found');
-	};
-	EdgeEnd.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable]
-	};
-	EdgeEnd.prototype.getClass = function getClass () {
-	  return EdgeEnd
-	};
-
-	var DirectedEdge = (function (EdgeEnd$$1) {
-	  function DirectedEdge () {
-	    var edge = arguments[0];
-	    var isForward = arguments[1];
-	    EdgeEnd$$1.call(this, edge);
-	    this._isForward = null;
-	    this._isInResult = false;
-	    this._isVisited = false;
-	    this._sym = null;
-	    this._next = null;
-	    this._nextMin = null;
-	    this._edgeRing = null;
-	    this._minEdgeRing = null;
-	    this._depth = [0, -999, -999];
-	    this._isForward = isForward;
-	    if (isForward) {
-	      this.init(edge.getCoordinate(0), edge.getCoordinate(1));
-	    } else {
-	      var n = edge.getNumPoints() - 1;
-	      this.init(edge.getCoordinate(n), edge.getCoordinate(n - 1));
-	    }
-	    this.computeDirectedLabel();
-	  }
-
-	  if ( EdgeEnd$$1 ) DirectedEdge.__proto__ = EdgeEnd$$1;
-	  DirectedEdge.prototype = Object.create( EdgeEnd$$1 && EdgeEnd$$1.prototype );
-	  DirectedEdge.prototype.constructor = DirectedEdge;
-	  DirectedEdge.prototype.getNextMin = function getNextMin () {
-	    return this._nextMin
-	  };
-	  DirectedEdge.prototype.getDepth = function getDepth (position) {
-	    return this._depth[position]
-	  };
-	  DirectedEdge.prototype.setVisited = function setVisited (isVisited) {
-	    this._isVisited = isVisited;
-	  };
-	  DirectedEdge.prototype.computeDirectedLabel = function computeDirectedLabel () {
-	    this._label = new Label(this._edge.getLabel());
-	    if (!this._isForward) { this._label.flip(); }
-	  };
-	  DirectedEdge.prototype.getNext = function getNext () {
-	    return this._next
-	  };
-	  DirectedEdge.prototype.setDepth = function setDepth (position, depthVal) {
-	    if (this._depth[position] !== -999) {
-	      if (this._depth[position] !== depthVal) { throw new TopologyException('assigned depths do not match', this.getCoordinate()) }
-	    }
-	    this._depth[position] = depthVal;
-	  };
-	  DirectedEdge.prototype.isInteriorAreaEdge = function isInteriorAreaEdge () {
-	    var this$1 = this;
-
-	    var isInteriorAreaEdge = true;
-	    for (var i = 0; i < 2; i++) {
-	      if (!(this$1._label.isArea(i) && this$1._label.getLocation(i, Position.LEFT) === Location.INTERIOR && this$1._label.getLocation(i, Position.RIGHT) === Location.INTERIOR)) {
-	        isInteriorAreaEdge = false;
-	      }
-	    }
-	    return isInteriorAreaEdge
-	  };
-	  DirectedEdge.prototype.setNextMin = function setNextMin (nextMin) {
-	    this._nextMin = nextMin;
-	  };
-	  DirectedEdge.prototype.print = function print (out) {
-	    EdgeEnd$$1.prototype.print.call(this, out);
-	    out.print(' ' + this._depth[Position.LEFT] + '/' + this._depth[Position.RIGHT]);
-	    out.print(' (' + this.getDepthDelta() + ')');
-	    if (this._isInResult) { out.print(' inResult'); }
-	  };
-	  DirectedEdge.prototype.setMinEdgeRing = function setMinEdgeRing (minEdgeRing) {
-	    this._minEdgeRing = minEdgeRing;
-	  };
-	  DirectedEdge.prototype.isLineEdge = function isLineEdge () {
-	    var isLine = this._label.isLine(0) || this._label.isLine(1);
-	    var isExteriorIfArea0 = !this._label.isArea(0) || this._label.allPositionsEqual(0, Location.EXTERIOR);
-	    var isExteriorIfArea1 = !this._label.isArea(1) || this._label.allPositionsEqual(1, Location.EXTERIOR);
-	    return isLine && isExteriorIfArea0 && isExteriorIfArea1
-	  };
-	  DirectedEdge.prototype.setEdgeRing = function setEdgeRing (edgeRing) {
-	    this._edgeRing = edgeRing;
-	  };
-	  DirectedEdge.prototype.getMinEdgeRing = function getMinEdgeRing () {
-	    return this._minEdgeRing
-	  };
-	  DirectedEdge.prototype.getDepthDelta = function getDepthDelta () {
-	    var depthDelta = this._edge.getDepthDelta();
-	    if (!this._isForward) { depthDelta = -depthDelta; }
-	    return depthDelta
-	  };
-	  DirectedEdge.prototype.setInResult = function setInResult (isInResult) {
-	    this._isInResult = isInResult;
-	  };
-	  DirectedEdge.prototype.getSym = function getSym () {
-	    return this._sym
-	  };
-	  DirectedEdge.prototype.isForward = function isForward () {
-	    return this._isForward
-	  };
-	  DirectedEdge.prototype.getEdge = function getEdge () {
-	    return this._edge
-	  };
-	  DirectedEdge.prototype.printEdge = function printEdge (out) {
-	    this.print(out);
-	    out.print(' ');
-	    if (this._isForward) { this._edge.print(out); } else { this._edge.printReverse(out); }
-	  };
-	  DirectedEdge.prototype.setSym = function setSym (de) {
-	    this._sym = de;
-	  };
-	  DirectedEdge.prototype.setVisitedEdge = function setVisitedEdge (isVisited) {
-	    this.setVisited(isVisited);
-	    this._sym.setVisited(isVisited);
-	  };
-	  DirectedEdge.prototype.setEdgeDepths = function setEdgeDepths (position, depth) {
-	    var depthDelta = this.getEdge().getDepthDelta();
-	    if (!this._isForward) { depthDelta = -depthDelta; }
-	    var directionFactor = 1;
-	    if (position === Position.LEFT) { directionFactor = -1; }
-	    var oppositePos = Position.opposite(position);
-	    var delta = depthDelta * directionFactor;
-	    var oppositeDepth = depth + delta;
-	    this.setDepth(position, depth);
-	    this.setDepth(oppositePos, oppositeDepth);
-	  };
-	  DirectedEdge.prototype.getEdgeRing = function getEdgeRing () {
-	    return this._edgeRing
-	  };
-	  DirectedEdge.prototype.isInResult = function isInResult () {
-	    return this._isInResult
-	  };
-	  DirectedEdge.prototype.setNext = function setNext (next) {
-	    this._next = next;
-	  };
-	  DirectedEdge.prototype.isVisited = function isVisited () {
-	    return this._isVisited
-	  };
-	  DirectedEdge.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  DirectedEdge.prototype.getClass = function getClass () {
-	    return DirectedEdge
-	  };
-	  DirectedEdge.depthFactor = function depthFactor (currLocation, nextLocation) {
-	    if (currLocation === Location.EXTERIOR && nextLocation === Location.INTERIOR) { return 1; } else if (currLocation === Location.INTERIOR && nextLocation === Location.EXTERIOR) { return -1 }
-	    return 0
-	  };
-
-	  return DirectedEdge;
-	}(EdgeEnd));
-
-	var NodeFactory = function NodeFactory () {};
-
-	NodeFactory.prototype.createNode = function createNode (coord) {
-	  return new Node$1(coord, null)
-	};
-	NodeFactory.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	NodeFactory.prototype.getClass = function getClass () {
-	  return NodeFactory
-	};
-
-	var PlanarGraph = function PlanarGraph () {
-	  this._edges = new ArrayList();
-	  this._nodes = null;
-	  this._edgeEndList = new ArrayList();
-	  if (arguments.length === 0) {
-	    this._nodes = new NodeMap(new NodeFactory());
-	  } else if (arguments.length === 1) {
-	    var nodeFact = arguments[0];
-	    this._nodes = new NodeMap(nodeFact);
-	  }
-	};
-	PlanarGraph.prototype.printEdges = function printEdges (out) {
-	    var this$1 = this;
-
-	  out.println('Edges:');
-	  for (var i = 0; i < this._edges.size(); i++) {
-	    out.println('edge ' + i + ':');
-	    var e = this$1._edges.get(i);
-	    e.print(out);
-	    e.eiList.print(out);
-	  }
-	};
-	PlanarGraph.prototype.find = function find (coord) {
-	  return this._nodes.find(coord)
-	};
-	PlanarGraph.prototype.addNode = function addNode () {
-	  if (arguments[0] instanceof Node$1) {
-	    var node = arguments[0];
-	    return this._nodes.addNode(node)
-	  } else if (arguments[0] instanceof Coordinate) {
-	    var coord = arguments[0];
-	    return this._nodes.addNode(coord)
-	  }
-	};
-	PlanarGraph.prototype.getNodeIterator = function getNodeIterator () {
-	  return this._nodes.iterator()
-	};
-	PlanarGraph.prototype.linkResultDirectedEdges = function linkResultDirectedEdges () {
-	  for (var nodeit = this._nodes.iterator(); nodeit.hasNext();) {
-	    var node = nodeit.next();
-	    node.getEdges().linkResultDirectedEdges();
-	  }
-	};
-	PlanarGraph.prototype.debugPrintln = function debugPrintln (o) {
-	  System.out.println(o);
-	};
-	PlanarGraph.prototype.isBoundaryNode = function isBoundaryNode (geomIndex, coord) {
-	  var node = this._nodes.find(coord);
-	  if (node === null) { return false }
-	  var label = node.getLabel();
-	  if (label !== null && label.getLocation(geomIndex) === Location.BOUNDARY) { return true }
-	  return false
-	};
-	PlanarGraph.prototype.linkAllDirectedEdges = function linkAllDirectedEdges () {
-	  for (var nodeit = this._nodes.iterator(); nodeit.hasNext();) {
-	    var node = nodeit.next();
-	    node.getEdges().linkAllDirectedEdges();
-	  }
-	};
-	PlanarGraph.prototype.matchInSameDirection = function matchInSameDirection (p0, p1, ep0, ep1) {
-	  if (!p0.equals(ep0)) { return false }
-	  if (CGAlgorithms.computeOrientation(p0, p1, ep1) === CGAlgorithms.COLLINEAR && Quadrant.quadrant(p0, p1) === Quadrant.quadrant(ep0, ep1)) { return true }
-	  return false
-	};
-	PlanarGraph.prototype.getEdgeEnds = function getEdgeEnds () {
-	  return this._edgeEndList
-	};
-	PlanarGraph.prototype.debugPrint = function debugPrint (o) {
-	  System.out.print(o);
-	};
-	PlanarGraph.prototype.getEdgeIterator = function getEdgeIterator () {
-	  return this._edges.iterator()
-	};
-	PlanarGraph.prototype.findEdgeInSameDirection = function findEdgeInSameDirection (p0, p1) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this._edges.size(); i++) {
-	    var e = this$1._edges.get(i);
-	    var eCoord = e.getCoordinates();
-	    if (this$1.matchInSameDirection(p0, p1, eCoord[0], eCoord[1])) { return e }
-	    if (this$1.matchInSameDirection(p0, p1, eCoord[eCoord.length - 1], eCoord[eCoord.length - 2])) { return e }
-	  }
-	  return null
-	};
-	PlanarGraph.prototype.insertEdge = function insertEdge (e) {
-	  this._edges.add(e);
-	};
-	PlanarGraph.prototype.findEdgeEnd = function findEdgeEnd (e) {
-	  for (var i = this.getEdgeEnds().iterator(); i.hasNext();) {
-	    var ee = i.next();
-	    if (ee.getEdge() === e) { return ee }
-	  }
-	  return null
-	};
-	PlanarGraph.prototype.addEdges = function addEdges (edgesToAdd) {
-	    var this$1 = this;
-
-	  for (var it = edgesToAdd.iterator(); it.hasNext();) {
-	    var e = it.next();
-	    this$1._edges.add(e);
-	    var de1 = new DirectedEdge(e, true);
-	    var de2 = new DirectedEdge(e, false);
-	    de1.setSym(de2);
-	    de2.setSym(de1);
-	    this$1.add(de1);
-	    this$1.add(de2);
-	  }
-	};
-	PlanarGraph.prototype.add = function add (e) {
-	  this._nodes.add(e);
-	  this._edgeEndList.add(e);
-	};
-	PlanarGraph.prototype.getNodes = function getNodes () {
-	  return this._nodes.values()
-	};
-	PlanarGraph.prototype.findEdge = function findEdge (p0, p1) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this._edges.size(); i++) {
-	    var e = this$1._edges.get(i);
-	    var eCoord = e.getCoordinates();
-	    if (p0.equals(eCoord[0]) && p1.equals(eCoord[1])) { return e }
-	  }
-	  return null
-	};
-	PlanarGraph.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	PlanarGraph.prototype.getClass = function getClass () {
-	  return PlanarGraph
-	};
-	PlanarGraph.linkResultDirectedEdges = function linkResultDirectedEdges (nodes) {
-	  for (var nodeit = nodes.iterator(); nodeit.hasNext();) {
-	    var node = nodeit.next();
-	    node.getEdges().linkResultDirectedEdges();
-	  }
-	};
-
-	var PolygonBuilder = function PolygonBuilder () {
-	  this._geometryFactory = null;
-	  this._shellList = new ArrayList();
-	  var geometryFactory = arguments[0];
-	  this._geometryFactory = geometryFactory;
-	};
-	PolygonBuilder.prototype.sortShellsAndHoles = function sortShellsAndHoles (edgeRings, shellList, freeHoleList) {
-	  for (var it = edgeRings.iterator(); it.hasNext();) {
-	    var er = it.next();
-	    if (er.isHole()) {
-	      freeHoleList.add(er);
-	    } else {
-	      shellList.add(er);
-	    }
-	  }
-	};
-	PolygonBuilder.prototype.computePolygons = function computePolygons (shellList) {
-	    var this$1 = this;
-
-	  var resultPolyList = new ArrayList();
-	  for (var it = shellList.iterator(); it.hasNext();) {
-	    var er = it.next();
-	    var poly = er.toPolygon(this$1._geometryFactory);
-	    resultPolyList.add(poly);
-	  }
-	  return resultPolyList
-	};
-	PolygonBuilder.prototype.placeFreeHoles = function placeFreeHoles (shellList, freeHoleList) {
-	    var this$1 = this;
-
-	  for (var it = freeHoleList.iterator(); it.hasNext();) {
-	    var hole = it.next();
-	    if (hole.getShell() === null) {
-	      var shell = this$1.findEdgeRingContaining(hole, shellList);
-	      if (shell === null) { throw new TopologyException('unable to assign hole to a shell', hole.getCoordinate(0)) }
-	      hole.setShell(shell);
-	    }
-	  }
-	};
-	PolygonBuilder.prototype.buildMinimalEdgeRings = function buildMinimalEdgeRings (maxEdgeRings, shellList, freeHoleList) {
-	    var this$1 = this;
-
-	  var edgeRings = new ArrayList();
-	  for (var it = maxEdgeRings.iterator(); it.hasNext();) {
-	    var er = it.next();
-	    if (er.getMaxNodeDegree() > 2) {
-	      er.linkDirectedEdgesForMinimalEdgeRings();
-	      var minEdgeRings = er.buildMinimalRings();
-	      var shell = this$1.findShell(minEdgeRings);
-	      if (shell !== null) {
-	        this$1.placePolygonHoles(shell, minEdgeRings);
-	        shellList.add(shell);
-	      } else {
-	        freeHoleList.addAll(minEdgeRings);
-	      }
-	    } else {
-	      edgeRings.add(er);
-	    }
-	  }
-	  return edgeRings
-	};
-	PolygonBuilder.prototype.containsPoint = function containsPoint (p) {
-	  for (var it = this._shellList.iterator(); it.hasNext();) {
-	    var er = it.next();
-	    if (er.containsPoint(p)) { return true }
-	  }
-	  return false
-	};
-	PolygonBuilder.prototype.buildMaximalEdgeRings = function buildMaximalEdgeRings (dirEdges) {
-	    var this$1 = this;
-
-	  var maxEdgeRings = new ArrayList();
-	  for (var it = dirEdges.iterator(); it.hasNext();) {
-	    var de = it.next();
-	    if (de.isInResult() && de.getLabel().isArea()) {
-	      if (de.getEdgeRing() === null) {
-	        var er = new MaximalEdgeRing(de, this$1._geometryFactory);
-	        maxEdgeRings.add(er);
-	        er.setInResult();
-	      }
-	    }
-	  }
-	  return maxEdgeRings
-	};
-	PolygonBuilder.prototype.placePolygonHoles = function placePolygonHoles (shell, minEdgeRings) {
-	  for (var it = minEdgeRings.iterator(); it.hasNext();) {
-	    var er = it.next();
-	    if (er.isHole()) {
-	      er.setShell(shell);
-	    }
-	  }
-	};
-	PolygonBuilder.prototype.getPolygons = function getPolygons () {
-	  var resultPolyList = this.computePolygons(this._shellList);
-	  return resultPolyList
-	};
-	PolygonBuilder.prototype.findEdgeRingContaining = function findEdgeRingContaining (testEr, shellList) {
-	  var testRing = testEr.getLinearRing();
-	  var testEnv = testRing.getEnvelopeInternal();
-	  var testPt = testRing.getCoordinateN(0);
-	  var minShell = null;
-	  var minEnv = null;
-	  for (var it = shellList.iterator(); it.hasNext();) {
-	    var tryShell = it.next();
-	    var tryRing = tryShell.getLinearRing();
-	    var tryEnv = tryRing.getEnvelopeInternal();
-	    if (minShell !== null) { minEnv = minShell.getLinearRing().getEnvelopeInternal(); }
-	    var isContained = false;
-	    if (tryEnv.contains(testEnv) && CGAlgorithms.isPointInRing(testPt, tryRing.getCoordinates())) { isContained = true; }
-	    if (isContained) {
-	      if (minShell === null || minEnv.contains(tryEnv)) {
-	        minShell = tryShell;
-	      }
-	    }
-	  }
-	  return minShell
-	};
-	PolygonBuilder.prototype.findShell = function findShell (minEdgeRings) {
-	  var shellCount = 0;
-	  var shell = null;
-	  for (var it = minEdgeRings.iterator(); it.hasNext();) {
-	    var er = it.next();
-	    if (!er.isHole()) {
-	      shell = er;
-	      shellCount++;
-	    }
-	  }
-	  Assert.isTrue(shellCount <= 1, 'found two shells in MinimalEdgeRing list');
-	  return shell
-	};
-	PolygonBuilder.prototype.add = function add () {
-	  if (arguments.length === 1) {
-	    var graph = arguments[0];
-	    this.add(graph.getEdgeEnds(), graph.getNodes());
-	  } else if (arguments.length === 2) {
-	    var dirEdges = arguments[0];
-	    var nodes = arguments[1];
-	    PlanarGraph.linkResultDirectedEdges(nodes);
-	    var maxEdgeRings = this.buildMaximalEdgeRings(dirEdges);
-	    var freeHoleList = new ArrayList();
-	    var edgeRings = this.buildMinimalEdgeRings(maxEdgeRings, this._shellList, freeHoleList);
-	    this.sortShellsAndHoles(edgeRings, this._shellList, freeHoleList);
-	    this.placeFreeHoles(this._shellList, freeHoleList);
-	  }
-	};
-	PolygonBuilder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	PolygonBuilder.prototype.getClass = function getClass () {
-	  return PolygonBuilder
-	};
-
-	var Boundable = function Boundable () {};
-
-	Boundable.prototype.getBounds = function getBounds () {};
-	Boundable.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Boundable.prototype.getClass = function getClass () {
-	  return Boundable
-	};
-
-	var ItemBoundable = function ItemBoundable () {
-	  this._bounds = null;
-	  this._item = null;
-	  var bounds = arguments[0];
-	  var item = arguments[1];
-	  this._bounds = bounds;
-	  this._item = item;
-	};
-	ItemBoundable.prototype.getItem = function getItem () {
-	  return this._item
-	};
-	ItemBoundable.prototype.getBounds = function getBounds () {
-	  return this._bounds
-	};
-	ItemBoundable.prototype.interfaces_ = function interfaces_ () {
-	  return [Boundable, Serializable]
-	};
-	ItemBoundable.prototype.getClass = function getClass () {
-	  return ItemBoundable
-	};
-
-	var PriorityQueue = function PriorityQueue () {
-	  this._size = null;
-	  this._items = null;
-	  this._size = 0;
-	  this._items = new ArrayList();
-	  this._items.add(null);
-	};
-	PriorityQueue.prototype.poll = function poll () {
-	  if (this.isEmpty()) { return null }
-	  var minItem = this._items.get(1);
-	  this._items.set(1, this._items.get(this._size));
-	  this._size -= 1;
-	  this.reorder(1);
-	  return minItem
-	};
-	PriorityQueue.prototype.size = function size () {
-	  return this._size
-	};
-	PriorityQueue.prototype.reorder = function reorder (hole) {
-	    var this$1 = this;
-
-	  var child = null;
-	  var tmp = this._items.get(hole);
-	  for (; hole * 2 <= this._size; hole = child) {
-	    child = hole * 2;
-	    if (child !== this$1._size && this$1._items.get(child + 1).compareTo(this$1._items.get(child)) < 0) { child++; }
-	    if (this$1._items.get(child).compareTo(tmp) < 0) { this$1._items.set(hole, this$1._items.get(child)); } else { break }
-	  }
-	  this._items.set(hole, tmp);
-	};
-	PriorityQueue.prototype.clear = function clear () {
-	  this._size = 0;
-	  this._items.clear();
-	};
-	PriorityQueue.prototype.isEmpty = function isEmpty () {
-	  return this._size === 0
-	};
-	PriorityQueue.prototype.add = function add (x) {
-	    var this$1 = this;
-
-	  this._items.add(null);
-	  this._size += 1;
-	  var hole = this._size;
-	  this._items.set(0, x);
-	  for (; x.compareTo(this._items.get(Math.trunc(hole / 2))) < 0; hole /= 2) {
-	    this$1._items.set(hole, this$1._items.get(Math.trunc(hole / 2)));
-	  }
-	  this._items.set(hole, x);
-	};
-	PriorityQueue.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	PriorityQueue.prototype.getClass = function getClass () {
-	  return PriorityQueue
-	};
-
-	var ItemVisitor = function ItemVisitor () {};
-
-	ItemVisitor.prototype.visitItem = function visitItem (item) {};
-	ItemVisitor.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	ItemVisitor.prototype.getClass = function getClass () {
-	  return ItemVisitor
-	};
-
-	var SpatialIndex = function SpatialIndex () {};
-
-	SpatialIndex.prototype.insert = function insert (itemEnv, item) {};
-	SpatialIndex.prototype.remove = function remove (itemEnv, item) {};
-	SpatialIndex.prototype.query = function query () {
-	  // if (arguments.length === 1) {
-	  // const searchEnv = arguments[0]
-	  // } else if (arguments.length === 2) {
-	  // const searchEnv = arguments[0]
-	  // const visitor = arguments[1]
-	  // }
-	};
-	SpatialIndex.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SpatialIndex.prototype.getClass = function getClass () {
-	  return SpatialIndex
-	};
-
-	var AbstractNode = function AbstractNode () {
-	  this._childBoundables = new ArrayList();
-	  this._bounds = null;
-	  this._level = null;
-	  if (arguments.length === 0) ; else if (arguments.length === 1) {
-	    var level = arguments[0];
-	    this._level = level;
-	  }
-	};
-
-	var staticAccessors$22 = { serialVersionUID: { configurable: true } };
-	AbstractNode.prototype.getLevel = function getLevel () {
-	  return this._level
-	};
-	AbstractNode.prototype.size = function size () {
-	  return this._childBoundables.size()
-	};
-	AbstractNode.prototype.getChildBoundables = function getChildBoundables () {
-	  return this._childBoundables
-	};
-	AbstractNode.prototype.addChildBoundable = function addChildBoundable (childBoundable) {
-	  Assert.isTrue(this._bounds === null);
-	  this._childBoundables.add(childBoundable);
-	};
-	AbstractNode.prototype.isEmpty = function isEmpty () {
-	  return this._childBoundables.isEmpty()
-	};
-	AbstractNode.prototype.getBounds = function getBounds () {
-	  if (this._bounds === null) {
-	    this._bounds = this.computeBounds();
-	  }
-	  return this._bounds
-	};
-	AbstractNode.prototype.interfaces_ = function interfaces_ () {
-	  return [Boundable, Serializable]
-	};
-	AbstractNode.prototype.getClass = function getClass () {
-	  return AbstractNode
-	};
-	staticAccessors$22.serialVersionUID.get = function () { return 6493722185909573708 };
-
-	Object.defineProperties( AbstractNode, staticAccessors$22 );
-
-	var Collections = function Collections () {};
-
-	Collections.reverseOrder = function reverseOrder () {
-	  return {
-	    compare: function compare (a, b) {
-	      return b.compareTo(a)
-	    }
-	  }
-	};
-	Collections.min = function min (l) {
-	  Collections.sort(l);
-	  return l.get(0)
-	};
-	Collections.sort = function sort (l, c) {
-	  var a = l.toArray();
-	  if (c) {
-	    Arrays.sort(a, c);
-	  } else {
-	    Arrays.sort(a);
-	  }
-	  var i = l.iterator();
-	  for (var pos = 0, alen = a.length; pos < alen; pos++) {
-	    i.next();
-	    i.set(a[pos]);
-	  }
-	};
-	Collections.singletonList = function singletonList (o) {
-	  var arrayList = new ArrayList();
-	  arrayList.add(o);
-	  return arrayList
-	};
-
-	var BoundablePair = function BoundablePair () {
-	  this._boundable1 = null;
-	  this._boundable2 = null;
-	  this._distance = null;
-	  this._itemDistance = null;
-	  var boundable1 = arguments[0];
-	  var boundable2 = arguments[1];
-	  var itemDistance = arguments[2];
-	  this._boundable1 = boundable1;
-	  this._boundable2 = boundable2;
-	  this._itemDistance = itemDistance;
-	  this._distance = this.distance();
-	};
-	BoundablePair.prototype.expandToQueue = function expandToQueue (priQ, minDistance) {
-	  var isComp1 = BoundablePair.isComposite(this._boundable1);
-	  var isComp2 = BoundablePair.isComposite(this._boundable2);
-	  if (isComp1 && isComp2) {
-	    if (BoundablePair.area(this._boundable1) > BoundablePair.area(this._boundable2)) {
-	      this.expand(this._boundable1, this._boundable2, priQ, minDistance);
-	      return null
-	    } else {
-	      this.expand(this._boundable2, this._boundable1, priQ, minDistance);
-	      return null
-	    }
-	  } else if (isComp1) {
-	    this.expand(this._boundable1, this._boundable2, priQ, minDistance);
-	    return null
-	  } else if (isComp2) {
-	    this.expand(this._boundable2, this._boundable1, priQ, minDistance);
-	    return null
-	  }
-	  throw new IllegalArgumentException('neither boundable is composite')
-	};
-	BoundablePair.prototype.isLeaves = function isLeaves () {
-	  return !(BoundablePair.isComposite(this._boundable1) || BoundablePair.isComposite(this._boundable2))
-	};
-	BoundablePair.prototype.compareTo = function compareTo (o) {
-	  var nd = o;
-	  if (this._distance < nd._distance) { return -1 }
-	  if (this._distance > nd._distance) { return 1 }
-	  return 0
-	};
-	BoundablePair.prototype.expand = function expand (bndComposite, bndOther, priQ, minDistance) {
-	    var this$1 = this;
-
-	  var children = bndComposite.getChildBoundables();
-	  for (var i = children.iterator(); i.hasNext();) {
-	    var child = i.next();
-	    var bp = new BoundablePair(child, bndOther, this$1._itemDistance);
-	    if (bp.getDistance() < minDistance) {
-	      priQ.add(bp);
-	    }
-	  }
-	};
-	BoundablePair.prototype.getBoundable = function getBoundable (i) {
-	  if (i === 0) { return this._boundable1 }
-	  return this._boundable2
-	};
-	BoundablePair.prototype.getDistance = function getDistance () {
-	  return this._distance
-	};
-	BoundablePair.prototype.distance = function distance () {
-	  if (this.isLeaves()) {
-	    return this._itemDistance.distance(this._boundable1, this._boundable2)
-	  }
-	  return this._boundable1.getBounds().distance(this._boundable2.getBounds())
-	};
-	BoundablePair.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable]
-	};
-	BoundablePair.prototype.getClass = function getClass () {
-	  return BoundablePair
-	};
-	BoundablePair.area = function area (b) {
-	  return b.getBounds().getArea()
-	};
-	BoundablePair.isComposite = function isComposite (item) {
-	  return item instanceof AbstractNode
-	};
-
-	var AbstractSTRtree = function AbstractSTRtree () {
-	  this._root = null;
-	  this._built = false;
-	  this._itemBoundables = new ArrayList();
-	  this._nodeCapacity = null;
-	  if (arguments.length === 0) {
-	    var nodeCapacity = AbstractSTRtree.DEFAULT_NODE_CAPACITY;
-	    this._nodeCapacity = nodeCapacity;
-	  } else if (arguments.length === 1) {
-	    var nodeCapacity$1 = arguments[0];
-	    Assert.isTrue(nodeCapacity$1 > 1, 'Node capacity must be greater than 1');
-	    this._nodeCapacity = nodeCapacity$1;
-	  }
-	};
-
-	var staticAccessors$23 = { IntersectsOp: { configurable: true },serialVersionUID: { configurable: true },DEFAULT_NODE_CAPACITY: { configurable: true } };
-	AbstractSTRtree.prototype.getNodeCapacity = function getNodeCapacity () {
-	  return this._nodeCapacity
-	};
-	AbstractSTRtree.prototype.lastNode = function lastNode (nodes) {
-	  return nodes.get(nodes.size() - 1)
-	};
-	AbstractSTRtree.prototype.size = function size () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    if (this.isEmpty()) {
-	      return 0
-	    }
-	    this.build();
-	    return this.size(this._root)
-	  } else if (arguments.length === 1) {
-	    var node = arguments[0];
-	    var size = 0;
-	    for (var i = node.getChildBoundables().iterator(); i.hasNext();) {
-	      var childBoundable = i.next();
-	      if (childBoundable instanceof AbstractNode) {
-	        size += this$1.size(childBoundable);
-	      } else if (childBoundable instanceof ItemBoundable) {
-	        size += 1;
-	      }
-	    }
-	    return size
-	  }
-	};
-	AbstractSTRtree.prototype.removeItem = function removeItem (node, item) {
-	  var childToRemove = null;
-	  for (var i = node.getChildBoundables().iterator(); i.hasNext();) {
-	    var childBoundable = i.next();
-	    if (childBoundable instanceof ItemBoundable) {
-	      if (childBoundable.getItem() === item) { childToRemove = childBoundable; }
-	    }
-	  }
-	  if (childToRemove !== null) {
-	    node.getChildBoundables().remove(childToRemove);
-	    return true
-	  }
-	  return false
-	};
-	AbstractSTRtree.prototype.itemsTree = function itemsTree () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    this.build();
-	    var valuesTree = this.itemsTree(this._root);
-	    if (valuesTree === null) { return new ArrayList() }
-	    return valuesTree
-	  } else if (arguments.length === 1) {
-	    var node = arguments[0];
-	    var valuesTreeForNode = new ArrayList();
-	    for (var i = node.getChildBoundables().iterator(); i.hasNext();) {
-	      var childBoundable = i.next();
-	      if (childBoundable instanceof AbstractNode) {
-	        var valuesTreeForChild = this$1.itemsTree(childBoundable);
-	        if (valuesTreeForChild !== null) { valuesTreeForNode.add(valuesTreeForChild); }
-	      } else if (childBoundable instanceof ItemBoundable) {
-	        valuesTreeForNode.add(childBoundable.getItem());
-	      } else {
-	        Assert.shouldNeverReachHere();
-	      }
-	    }
-	    if (valuesTreeForNode.size() <= 0) { return null }
-	    return valuesTreeForNode
-	  }
-	};
-	AbstractSTRtree.prototype.insert = function insert (bounds, item) {
-	  Assert.isTrue(!this._built, 'Cannot insert items into an STR packed R-tree after it has been built.');
-	  this._itemBoundables.add(new ItemBoundable(bounds, item));
-	};
-	AbstractSTRtree.prototype.boundablesAtLevel = function boundablesAtLevel () {
-	    var this$1 = this;
-
-	  if (arguments.length === 1) {
-	    var level = arguments[0];
-	    var boundables = new ArrayList();
-	    this.boundablesAtLevel(level, this._root, boundables);
-	    return boundables
-	  } else if (arguments.length === 3) {
-	    var level$1 = arguments[0];
-	    var top = arguments[1];
-	    var boundables$1 = arguments[2];
-	    Assert.isTrue(level$1 > -2);
-	    if (top.getLevel() === level$1) {
-	      boundables$1.add(top);
-	      return null
-	    }
-	    for (var i = top.getChildBoundables().iterator(); i.hasNext();) {
-	      var boundable = i.next();
-	      if (boundable instanceof AbstractNode) {
-	        this$1.boundablesAtLevel(level$1, boundable, boundables$1);
-	      } else {
-	        Assert.isTrue(boundable instanceof ItemBoundable);
-	        if (level$1 === -1) {
-	          boundables$1.add(boundable);
-	        }
-	      }
-	    }
-	    return null
-	  }
-	};
-	AbstractSTRtree.prototype.query = function query () {
-	    var this$1 = this;
-
-	  if (arguments.length === 1) {
-	    var searchBounds = arguments[0];
-	    this.build();
-	    var matches = new ArrayList();
-	    if (this.isEmpty()) {
-	      return matches
-	    }
-	    if (this.getIntersectsOp().intersects(this._root.getBounds(), searchBounds)) {
-	      this.query(searchBounds, this._root, matches);
-	    }
-	    return matches
-	  } else if (arguments.length === 2) {
-	    var searchBounds$1 = arguments[0];
-	    var visitor = arguments[1];
-	    this.build();
-	    if (this.isEmpty()) {
-	      return null
-	    }
-	    if (this.getIntersectsOp().intersects(this._root.getBounds(), searchBounds$1)) {
-	      this.query(searchBounds$1, this._root, visitor);
-	    }
-	  } else if (arguments.length === 3) {
-	    if (hasInterface(arguments[2], ItemVisitor) && (arguments[0] instanceof Object && arguments[1] instanceof AbstractNode)) {
-	      var searchBounds$2 = arguments[0];
-	      var node = arguments[1];
-	      var visitor$1 = arguments[2];
-	      var childBoundables = node.getChildBoundables();
-	      for (var i = 0; i < childBoundables.size(); i++) {
-	        var childBoundable = childBoundables.get(i);
-	        if (!this$1.getIntersectsOp().intersects(childBoundable.getBounds(), searchBounds$2)) {
-	          continue
-	        }
-	        if (childBoundable instanceof AbstractNode) {
-	          this$1.query(searchBounds$2, childBoundable, visitor$1);
-	        } else if (childBoundable instanceof ItemBoundable) {
-	          visitor$1.visitItem(childBoundable.getItem());
-	        } else {
-	          Assert.shouldNeverReachHere();
-	        }
-	      }
-	    } else if (hasInterface(arguments[2], List) && (arguments[0] instanceof Object && arguments[1] instanceof AbstractNode)) {
-	      var searchBounds$3 = arguments[0];
-	      var node$1 = arguments[1];
-	      var matches$1 = arguments[2];
-	      var childBoundables$1 = node$1.getChildBoundables();
-	      for (var i$1 = 0; i$1 < childBoundables$1.size(); i$1++) {
-	        var childBoundable$1 = childBoundables$1.get(i$1);
-	        if (!this$1.getIntersectsOp().intersects(childBoundable$1.getBounds(), searchBounds$3)) {
-	          continue
-	        }
-	        if (childBoundable$1 instanceof AbstractNode) {
-	          this$1.query(searchBounds$3, childBoundable$1, matches$1);
-	        } else if (childBoundable$1 instanceof ItemBoundable) {
-	          matches$1.add(childBoundable$1.getItem());
-	        } else {
-	          Assert.shouldNeverReachHere();
-	        }
-	      }
-	    }
-	  }
-	};
-	AbstractSTRtree.prototype.build = function build () {
-	  if (this._built) { return null }
-	  this._root = this._itemBoundables.isEmpty() ? this.createNode(0) : this.createHigherLevels(this._itemBoundables, -1);
-	  this._itemBoundables = null;
-	  this._built = true;
-	};
-	AbstractSTRtree.prototype.getRoot = function getRoot () {
-	  this.build();
-	  return this._root
-	};
-	AbstractSTRtree.prototype.remove = function remove () {
-	    var this$1 = this;
-
-	  if (arguments.length === 2) {
-	    var searchBounds = arguments[0];
-	    var item = arguments[1];
-	    this.build();
-	    if (this.getIntersectsOp().intersects(this._root.getBounds(), searchBounds)) {
-	      return this.remove(searchBounds, this._root, item)
-	    }
-	    return false
-	  } else if (arguments.length === 3) {
-	    var searchBounds$1 = arguments[0];
-	    var node = arguments[1];
-	    var item$1 = arguments[2];
-	    var found = this.removeItem(node, item$1);
-	    if (found) { return true }
-	    var childToPrune = null;
-	    for (var i = node.getChildBoundables().iterator(); i.hasNext();) {
-	      var childBoundable = i.next();
-	      if (!this$1.getIntersectsOp().intersects(childBoundable.getBounds(), searchBounds$1)) {
-	        continue
-	      }
-	      if (childBoundable instanceof AbstractNode) {
-	        found = this$1.remove(searchBounds$1, childBoundable, item$1);
-	        if (found) {
-	          childToPrune = childBoundable;
-	          break
-	        }
-	      }
-	    }
-	    if (childToPrune !== null) {
-	      if (childToPrune.getChildBoundables().isEmpty()) {
-	        node.getChildBoundables().remove(childToPrune);
-	      }
-	    }
-	    return found
-	  }
-	};
-	AbstractSTRtree.prototype.createHigherLevels = function createHigherLevels (boundablesOfALevel, level) {
-	  Assert.isTrue(!boundablesOfALevel.isEmpty());
-	  var parentBoundables = this.createParentBoundables(boundablesOfALevel, level + 1);
-	  if (parentBoundables.size() === 1) {
-	    return parentBoundables.get(0)
-	  }
-	  return this.createHigherLevels(parentBoundables, level + 1)
-	};
-	AbstractSTRtree.prototype.depth = function depth () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    if (this.isEmpty()) {
-	      return 0
-	    }
-	    this.build();
-	    return this.depth(this._root)
-	  } else if (arguments.length === 1) {
-	    var node = arguments[0];
-	    var maxChildDepth = 0;
-	    for (var i = node.getChildBoundables().iterator(); i.hasNext();) {
-	      var childBoundable = i.next();
-	      if (childBoundable instanceof AbstractNode) {
-	        var childDepth = this$1.depth(childBoundable);
-	        if (childDepth > maxChildDepth) { maxChildDepth = childDepth; }
-	      }
-	    }
-	    return maxChildDepth + 1
-	  }
-	};
-	AbstractSTRtree.prototype.createParentBoundables = function createParentBoundables (childBoundables, newLevel) {
-	    var this$1 = this;
-
-	  Assert.isTrue(!childBoundables.isEmpty());
-	  var parentBoundables = new ArrayList();
-	  parentBoundables.add(this.createNode(newLevel));
-	  var sortedChildBoundables = new ArrayList(childBoundables);
-	  Collections.sort(sortedChildBoundables, this.getComparator());
-	  for (var i = sortedChildBoundables.iterator(); i.hasNext();) {
-	    var childBoundable = i.next();
-	    if (this$1.lastNode(parentBoundables).getChildBoundables().size() === this$1.getNodeCapacity()) {
-	      parentBoundables.add(this$1.createNode(newLevel));
-	    }
-	    this$1.lastNode(parentBoundables).addChildBoundable(childBoundable);
-	  }
-	  return parentBoundables
-	};
-	AbstractSTRtree.prototype.isEmpty = function isEmpty () {
-	  if (!this._built) { return this._itemBoundables.isEmpty() }
-	  return this._root.isEmpty()
-	};
-	AbstractSTRtree.prototype.interfaces_ = function interfaces_ () {
-	  return [Serializable]
-	};
-	AbstractSTRtree.prototype.getClass = function getClass () {
-	  return AbstractSTRtree
-	};
-	AbstractSTRtree.compareDoubles = function compareDoubles (a, b) {
-	  return a > b ? 1 : a < b ? -1 : 0
-	};
-	staticAccessors$23.IntersectsOp.get = function () { return IntersectsOp };
-	staticAccessors$23.serialVersionUID.get = function () { return -3886435814360241337 };
-	staticAccessors$23.DEFAULT_NODE_CAPACITY.get = function () { return 10 };
-
-	Object.defineProperties( AbstractSTRtree, staticAccessors$23 );
-
-	var IntersectsOp = function IntersectsOp () {};
-
-	var ItemDistance = function ItemDistance () {};
-
-	ItemDistance.prototype.distance = function distance (item1, item2) {};
-	ItemDistance.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	ItemDistance.prototype.getClass = function getClass () {
-	  return ItemDistance
-	};
-
-	var STRtree = (function (AbstractSTRtree$$1) {
-	  function STRtree (nodeCapacity) {
-	    nodeCapacity = nodeCapacity || STRtree.DEFAULT_NODE_CAPACITY;
-	    AbstractSTRtree$$1.call(this, nodeCapacity);
-	  }
-
-	  if ( AbstractSTRtree$$1 ) STRtree.__proto__ = AbstractSTRtree$$1;
-	  STRtree.prototype = Object.create( AbstractSTRtree$$1 && AbstractSTRtree$$1.prototype );
-	  STRtree.prototype.constructor = STRtree;
-
-	  var staticAccessors = { STRtreeNode: { configurable: true },serialVersionUID: { configurable: true },xComparator: { configurable: true },yComparator: { configurable: true },intersectsOp: { configurable: true },DEFAULT_NODE_CAPACITY: { configurable: true } };
-	  STRtree.prototype.createParentBoundablesFromVerticalSlices = function createParentBoundablesFromVerticalSlices (verticalSlices, newLevel) {
-	    var this$1 = this;
-
-	    Assert.isTrue(verticalSlices.length > 0);
-	    var parentBoundables = new ArrayList();
-	    for (var i = 0; i < verticalSlices.length; i++) {
-	      parentBoundables.addAll(this$1.createParentBoundablesFromVerticalSlice(verticalSlices[i], newLevel));
-	    }
-	    return parentBoundables
-	  };
-	  STRtree.prototype.createNode = function createNode (level) {
-	    return new STRtreeNode(level)
-	  };
-	  STRtree.prototype.size = function size () {
-	    if (arguments.length === 0) {
-	      return AbstractSTRtree$$1.prototype.size.call(this)
-	    } else { return AbstractSTRtree$$1.prototype.size.apply(this, arguments) }
-	  };
-	  STRtree.prototype.insert = function insert () {
-	    if (arguments.length === 2) {
-	      var itemEnv = arguments[0];
-	      var item = arguments[1];
-	      if (itemEnv.isNull()) {
-	        return null
-	      }
-	      AbstractSTRtree$$1.prototype.insert.call(this, itemEnv, item);
-	    } else { return AbstractSTRtree$$1.prototype.insert.apply(this, arguments) }
-	  };
-	  STRtree.prototype.getIntersectsOp = function getIntersectsOp () {
-	    return STRtree.intersectsOp
-	  };
-	  STRtree.prototype.verticalSlices = function verticalSlices (childBoundables, sliceCount) {
-	    var sliceCapacity = Math.trunc(Math.ceil(childBoundables.size() / sliceCount));
-	    var slices = new Array(sliceCount).fill(null);
-	    var i = childBoundables.iterator();
-	    for (var j = 0; j < sliceCount; j++) {
-	      slices[j] = new ArrayList();
-	      var boundablesAddedToSlice = 0;
-	      while (i.hasNext() && boundablesAddedToSlice < sliceCapacity) {
-	        var childBoundable = i.next();
-	        slices[j].add(childBoundable);
-	        boundablesAddedToSlice++;
-	      }
-	    }
-	    return slices
-	  };
-	  STRtree.prototype.query = function query () {
-	    if (arguments.length === 1) {
-	      var searchEnv = arguments[0];
-	      return AbstractSTRtree$$1.prototype.query.call(this, searchEnv)
-	    } else if (arguments.length === 2) {
-	      var searchEnv$1 = arguments[0];
-	      var visitor = arguments[1];
-	      AbstractSTRtree$$1.prototype.query.call(this, searchEnv$1, visitor);
-	    } else if (arguments.length === 3) {
-	      if (hasInterface(arguments[2], ItemVisitor) && (arguments[0] instanceof Object && arguments[1] instanceof AbstractNode)) {
-	        var searchBounds = arguments[0];
-	        var node = arguments[1];
-	        var visitor$1 = arguments[2];
-	        AbstractSTRtree$$1.prototype.query.call(this, searchBounds, node, visitor$1);
-	      } else if (hasInterface(arguments[2], List) && (arguments[0] instanceof Object && arguments[1] instanceof AbstractNode)) {
-	        var searchBounds$1 = arguments[0];
-	        var node$1 = arguments[1];
-	        var matches = arguments[2];
-	        AbstractSTRtree$$1.prototype.query.call(this, searchBounds$1, node$1, matches);
-	      }
-	    }
-	  };
-	  STRtree.prototype.getComparator = function getComparator () {
-	    return STRtree.yComparator
-	  };
-	  STRtree.prototype.createParentBoundablesFromVerticalSlice = function createParentBoundablesFromVerticalSlice (childBoundables, newLevel) {
-	    return AbstractSTRtree$$1.prototype.createParentBoundables.call(this, childBoundables, newLevel)
-	  };
-	  STRtree.prototype.remove = function remove () {
-	    if (arguments.length === 2) {
-	      var itemEnv = arguments[0];
-	      var item = arguments[1];
-	      return AbstractSTRtree$$1.prototype.remove.call(this, itemEnv, item)
-	    } else { return AbstractSTRtree$$1.prototype.remove.apply(this, arguments) }
-	  };
-	  STRtree.prototype.depth = function depth () {
-	    if (arguments.length === 0) {
-	      return AbstractSTRtree$$1.prototype.depth.call(this)
-	    } else { return AbstractSTRtree$$1.prototype.depth.apply(this, arguments) }
-	  };
-	  STRtree.prototype.createParentBoundables = function createParentBoundables (childBoundables, newLevel) {
-	    Assert.isTrue(!childBoundables.isEmpty());
-	    var minLeafCount = Math.trunc(Math.ceil(childBoundables.size() / this.getNodeCapacity()));
-	    var sortedChildBoundables = new ArrayList(childBoundables);
-	    Collections.sort(sortedChildBoundables, STRtree.xComparator);
-	    var verticalSlices = this.verticalSlices(sortedChildBoundables, Math.trunc(Math.ceil(Math.sqrt(minLeafCount))));
-	    return this.createParentBoundablesFromVerticalSlices(verticalSlices, newLevel)
-	  };
-	  STRtree.prototype.nearestNeighbour = function nearestNeighbour () {
-	    if (arguments.length === 1) {
-	      if (hasInterface(arguments[0], ItemDistance)) {
-	        var itemDist = arguments[0];
-	        var bp = new BoundablePair(this.getRoot(), this.getRoot(), itemDist);
-	        return this.nearestNeighbour(bp)
-	      } else if (arguments[0] instanceof BoundablePair) {
-	        var initBndPair = arguments[0];
-	        return this.nearestNeighbour(initBndPair, Double.POSITIVE_INFINITY)
-	      }
-	    } else if (arguments.length === 2) {
-	      if (arguments[0] instanceof STRtree && hasInterface(arguments[1], ItemDistance)) {
-	        var tree = arguments[0];
-	        var itemDist$1 = arguments[1];
-	        var bp$1 = new BoundablePair(this.getRoot(), tree.getRoot(), itemDist$1);
-	        return this.nearestNeighbour(bp$1)
-	      } else if (arguments[0] instanceof BoundablePair && typeof arguments[1] === 'number') {
-	        var initBndPair$1 = arguments[0];
-	        var maxDistance = arguments[1];
-	        var distanceLowerBound = maxDistance;
-	        var minPair = null;
-	        var priQ = new PriorityQueue();
-	        priQ.add(initBndPair$1);
-	        while (!priQ.isEmpty() && distanceLowerBound > 0.0) {
-	          var bndPair = priQ.poll();
-	          var currentDistance = bndPair.getDistance();
-	          if (currentDistance >= distanceLowerBound) { break }
-	          if (bndPair.isLeaves()) {
-	            distanceLowerBound = currentDistance;
-	            minPair = bndPair;
-	          } else {
-	            bndPair.expandToQueue(priQ, distanceLowerBound);
-	          }
-	        }
-	        return [minPair.getBoundable(0).getItem(), minPair.getBoundable(1).getItem()]
-	      }
-	    } else if (arguments.length === 3) {
-	      var env = arguments[0];
-	      var item = arguments[1];
-	      var itemDist$2 = arguments[2];
-	      var bnd = new ItemBoundable(env, item);
-	      var bp$2 = new BoundablePair(this.getRoot(), bnd, itemDist$2);
-	      return this.nearestNeighbour(bp$2)[0]
-	    }
-	  };
-	  STRtree.prototype.interfaces_ = function interfaces_ () {
-	    return [SpatialIndex, Serializable]
-	  };
-	  STRtree.prototype.getClass = function getClass () {
-	    return STRtree
-	  };
-	  STRtree.centreX = function centreX (e) {
-	    return STRtree.avg(e.getMinX(), e.getMaxX())
-	  };
-	  STRtree.avg = function avg (a, b) {
-	    return (a + b) / 2
-	  };
-	  STRtree.centreY = function centreY (e) {
-	    return STRtree.avg(e.getMinY(), e.getMaxY())
-	  };
-	  staticAccessors.STRtreeNode.get = function () { return STRtreeNode };
-	  staticAccessors.serialVersionUID.get = function () { return 259274702368956900 };
-	  staticAccessors.xComparator.get = function () {
-	    return {
-	      interfaces_: function () {
-	        return [Comparator]
-	      },
-	      compare: function (o1, o2) {
-	        return AbstractSTRtree$$1.compareDoubles(STRtree.centreX(o1.getBounds()), STRtree.centreX(o2.getBounds()))
-	      }
-	    }
-	  };
-	  staticAccessors.yComparator.get = function () {
-	    return {
-	      interfaces_: function () {
-	        return [Comparator]
-	      },
-	      compare: function (o1, o2) {
-	        return AbstractSTRtree$$1.compareDoubles(STRtree.centreY(o1.getBounds()), STRtree.centreY(o2.getBounds()))
-	      }
-	    }
-	  };
-	  staticAccessors.intersectsOp.get = function () {
-	    return {
-	      interfaces_: function () {
-	        return [AbstractSTRtree$$1.IntersectsOp]
-	      },
-	      intersects: function (aBounds, bBounds) {
-	        return aBounds.intersects(bBounds)
-	      }
-	    }
-	  };
-	  staticAccessors.DEFAULT_NODE_CAPACITY.get = function () { return 10 };
-
-	  Object.defineProperties( STRtree, staticAccessors );
-
-	  return STRtree;
-	}(AbstractSTRtree));
-
-	var STRtreeNode = (function (AbstractNode$$1) {
-	  function STRtreeNode () {
-	    var level = arguments[0];
-	    AbstractNode$$1.call(this, level);
-	  }
-
-	  if ( AbstractNode$$1 ) STRtreeNode.__proto__ = AbstractNode$$1;
-	  STRtreeNode.prototype = Object.create( AbstractNode$$1 && AbstractNode$$1.prototype );
-	  STRtreeNode.prototype.constructor = STRtreeNode;
-	  STRtreeNode.prototype.computeBounds = function computeBounds () {
-	    var bounds = null;
-	    for (var i = this.getChildBoundables().iterator(); i.hasNext();) {
-	      var childBoundable = i.next();
-	      if (bounds === null) {
-	        bounds = new Envelope(childBoundable.getBounds());
-	      } else {
-	        bounds.expandToInclude(childBoundable.getBounds());
-	      }
-	    }
-	    return bounds
-	  };
-	  STRtreeNode.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  STRtreeNode.prototype.getClass = function getClass () {
-	    return STRtreeNode
-	  };
-
-	  return STRtreeNode;
-	}(AbstractNode));
-
-	var SegmentPointComparator = function SegmentPointComparator () {};
-
-	SegmentPointComparator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SegmentPointComparator.prototype.getClass = function getClass () {
-	  return SegmentPointComparator
-	};
-	SegmentPointComparator.relativeSign = function relativeSign (x0, x1) {
-	  if (x0 < x1) { return -1 }
-	  if (x0 > x1) { return 1 }
-	  return 0
-	};
-	SegmentPointComparator.compare = function compare (octant, p0, p1) {
-	  if (p0.equals2D(p1)) { return 0 }
-	  var xSign = SegmentPointComparator.relativeSign(p0.x, p1.x);
-	  var ySign = SegmentPointComparator.relativeSign(p0.y, p1.y);
-	  switch (octant) {
-	    case 0:
-	      return SegmentPointComparator.compareValue(xSign, ySign)
-	    case 1:
-	      return SegmentPointComparator.compareValue(ySign, xSign)
-	    case 2:
-	      return SegmentPointComparator.compareValue(ySign, -xSign)
-	    case 3:
-	      return SegmentPointComparator.compareValue(-xSign, ySign)
-	    case 4:
-	      return SegmentPointComparator.compareValue(-xSign, -ySign)
-	    case 5:
-	      return SegmentPointComparator.compareValue(-ySign, -xSign)
-	    case 6:
-	      return SegmentPointComparator.compareValue(-ySign, xSign)
-	    case 7:
-	      return SegmentPointComparator.compareValue(xSign, -ySign)
-	  }
-	  Assert.shouldNeverReachHere('invalid octant value');
-	  return 0
-	};
-	SegmentPointComparator.compareValue = function compareValue (compareSign0, compareSign1) {
-	  if (compareSign0 < 0) { return -1 }
-	  if (compareSign0 > 0) { return 1 }
-	  if (compareSign1 < 0) { return -1 }
-	  if (compareSign1 > 0) { return 1 }
-	  return 0
-	};
-
-	var SegmentNode = function SegmentNode () {
-	  this._segString = null;
-	  this.coord = null;
-	  this.segmentIndex = null;
-	  this._segmentOctant = null;
-	  this._isInterior = null;
-	  var segString = arguments[0];
-	  var coord = arguments[1];
-	  var segmentIndex = arguments[2];
-	  var segmentOctant = arguments[3];
-	  this._segString = segString;
-	  this.coord = new Coordinate(coord);
-	  this.segmentIndex = segmentIndex;
-	  this._segmentOctant = segmentOctant;
-	  this._isInterior = !coord.equals2D(segString.getCoordinate(segmentIndex));
-	};
-	SegmentNode.prototype.getCoordinate = function getCoordinate () {
-	  return this.coord
-	};
-	SegmentNode.prototype.print = function print (out) {
-	  out.print(this.coord);
-	  out.print(' seg # = ' + this.segmentIndex);
-	};
-	SegmentNode.prototype.compareTo = function compareTo (obj) {
-	  var other = obj;
-	  if (this.segmentIndex < other.segmentIndex) { return -1 }
-	  if (this.segmentIndex > other.segmentIndex) { return 1 }
-	  if (this.coord.equals2D(other.coord)) { return 0 }
-	  return SegmentPointComparator.compare(this._segmentOctant, this.coord, other.coord)
-	};
-	SegmentNode.prototype.isEndPoint = function isEndPoint (maxSegmentIndex) {
-	  if (this.segmentIndex === 0 && !this._isInterior) { return true }
-	  if (this.segmentIndex === maxSegmentIndex) { return true }
-	  return false
-	};
-	SegmentNode.prototype.isInterior = function isInterior () {
-	  return this._isInterior
-	};
-	SegmentNode.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable]
-	};
-	SegmentNode.prototype.getClass = function getClass () {
-	  return SegmentNode
-	};
-
-	// import Iterator from '../../../../java/util/Iterator'
-	var SegmentNodeList = function SegmentNodeList () {
-	  this._nodeMap = new TreeMap();
-	  this._edge = null;
-	  var edge = arguments[0];
-	  this._edge = edge;
-	};
-	SegmentNodeList.prototype.getSplitCoordinates = function getSplitCoordinates () {
-	    var this$1 = this;
-
-	  var coordList = new CoordinateList();
-	  this.addEndpoints();
-	  var it = this.iterator();
-	  var eiPrev = it.next();
-	  while (it.hasNext()) {
-	    var ei = it.next();
-	    this$1.addEdgeCoordinates(eiPrev, ei, coordList);
-	    eiPrev = ei;
-	  }
-	  return coordList.toCoordinateArray()
-	};
-	SegmentNodeList.prototype.addCollapsedNodes = function addCollapsedNodes () {
-	    var this$1 = this;
-
-	  var collapsedVertexIndexes = new ArrayList();
-	  this.findCollapsesFromInsertedNodes(collapsedVertexIndexes);
-	  this.findCollapsesFromExistingVertices(collapsedVertexIndexes);
-	  for (var it = collapsedVertexIndexes.iterator(); it.hasNext();) {
-	    var vertexIndex = it.next().intValue();
-	    this$1.add(this$1._edge.getCoordinate(vertexIndex), vertexIndex);
-	  }
-	};
-	SegmentNodeList.prototype.print = function print (out) {
-	  out.println('Intersections:');
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var ei = it.next();
-	    ei.print(out);
-	  }
-	};
-	SegmentNodeList.prototype.findCollapsesFromExistingVertices = function findCollapsesFromExistingVertices (collapsedVertexIndexes) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this._edge.size() - 2; i++) {
-	    var p0 = this$1._edge.getCoordinate(i);
-	    // const p1 = this._edge.getCoordinate(i + 1)
-	    var p2 = this$1._edge.getCoordinate(i + 2);
-	    if (p0.equals2D(p2)) {
-	      collapsedVertexIndexes.add(new Integer(i + 1));
-	    }
-	  }
-	};
-	SegmentNodeList.prototype.addEdgeCoordinates = function addEdgeCoordinates (ei0, ei1, coordList) {
-	    var this$1 = this;
-
-	  // let npts = ei1.segmentIndex - ei0.segmentIndex + 2
-	  var lastSegStartPt = this._edge.getCoordinate(ei1.segmentIndex);
-	  var useIntPt1 = ei1.isInterior() || !ei1.coord.equals2D(lastSegStartPt);
-	  // if (!useIntPt1) {
-	  // npts--
-	  // }
-	  // const ipt = 0
-	  coordList.add(new Coordinate(ei0.coord), false);
-	  for (var i = ei0.segmentIndex + 1; i <= ei1.segmentIndex; i++) {
-	    coordList.add(this$1._edge.getCoordinate(i));
-	  }
-	  if (useIntPt1) {
-	    coordList.add(new Coordinate(ei1.coord));
-	  }
-	};
-	SegmentNodeList.prototype.iterator = function iterator () {
-	  return this._nodeMap.values().iterator()
-	};
-	SegmentNodeList.prototype.addSplitEdges = function addSplitEdges (edgeList) {
-	    var this$1 = this;
-
-	  this.addEndpoints();
-	  this.addCollapsedNodes();
-	  var it = this.iterator();
-	  var eiPrev = it.next();
-	  while (it.hasNext()) {
-	    var ei = it.next();
-	    var newEdge = this$1.createSplitEdge(eiPrev, ei);
-	    edgeList.add(newEdge);
-	    eiPrev = ei;
-	  }
-	};
-	SegmentNodeList.prototype.findCollapseIndex = function findCollapseIndex (ei0, ei1, collapsedVertexIndex) {
-	  if (!ei0.coord.equals2D(ei1.coord)) { return false }
-	  var numVerticesBetween = ei1.segmentIndex - ei0.segmentIndex;
-	  if (!ei1.isInterior()) {
-	    numVerticesBetween--;
-	  }
-	  if (numVerticesBetween === 1) {
-	    collapsedVertexIndex[0] = ei0.segmentIndex + 1;
-	    return true
-	  }
-	  return false
-	};
-	SegmentNodeList.prototype.findCollapsesFromInsertedNodes = function findCollapsesFromInsertedNodes (collapsedVertexIndexes) {
-	    var this$1 = this;
-
-	  var collapsedVertexIndex = new Array(1).fill(null);
-	  var it = this.iterator();
-	  var eiPrev = it.next();
-	  while (it.hasNext()) {
-	    var ei = it.next();
-	    var isCollapsed = this$1.findCollapseIndex(eiPrev, ei, collapsedVertexIndex);
-	    if (isCollapsed) { collapsedVertexIndexes.add(new Integer(collapsedVertexIndex[0])); }
-	    eiPrev = ei;
-	  }
-	};
-	SegmentNodeList.prototype.getEdge = function getEdge () {
-	  return this._edge
-	};
-	SegmentNodeList.prototype.addEndpoints = function addEndpoints () {
-	  var maxSegIndex = this._edge.size() - 1;
-	  this.add(this._edge.getCoordinate(0), 0);
-	  this.add(this._edge.getCoordinate(maxSegIndex), maxSegIndex);
-	};
-	SegmentNodeList.prototype.createSplitEdge = function createSplitEdge (ei0, ei1) {
-	    var this$1 = this;
-
-	  var npts = ei1.segmentIndex - ei0.segmentIndex + 2;
-	  var lastSegStartPt = this._edge.getCoordinate(ei1.segmentIndex);
-	  var useIntPt1 = ei1.isInterior() || !ei1.coord.equals2D(lastSegStartPt);
-	  if (!useIntPt1) {
-	    npts--;
-	  }
-	  var pts = new Array(npts).fill(null);
-	  var ipt = 0;
-	  pts[ipt++] = new Coordinate(ei0.coord);
-	  for (var i = ei0.segmentIndex + 1; i <= ei1.segmentIndex; i++) {
-	    pts[ipt++] = this$1._edge.getCoordinate(i);
-	  }
-	  if (useIntPt1) { pts[ipt] = new Coordinate(ei1.coord); }
-	  return new NodedSegmentString(pts, this._edge.getData())
-	};
-	SegmentNodeList.prototype.add = function add (intPt, segmentIndex) {
-	  var eiNew = new SegmentNode(this._edge, intPt, segmentIndex, this._edge.getSegmentOctant(segmentIndex));
-	  var ei = this._nodeMap.get(eiNew);
-	  if (ei !== null) {
-	    Assert.isTrue(ei.coord.equals2D(intPt), 'Found equal nodes with different coordinates');
-	    return ei
-	  }
-	  this._nodeMap.put(eiNew, eiNew);
-	  return eiNew
-	};
-	SegmentNodeList.prototype.checkSplitEdgesCorrectness = function checkSplitEdgesCorrectness (splitEdges) {
-	  var edgePts = this._edge.getCoordinates();
-	  var split0 = splitEdges.get(0);
-	  var pt0 = split0.getCoordinate(0);
-	  if (!pt0.equals2D(edgePts[0])) { throw new RuntimeException('bad split edge start point at ' + pt0) }
-	  var splitn = splitEdges.get(splitEdges.size() - 1);
-	  var splitnPts = splitn.getCoordinates();
-	  var ptn = splitnPts[splitnPts.length - 1];
-	  if (!ptn.equals2D(edgePts[edgePts.length - 1])) { throw new RuntimeException('bad split edge end point at ' + ptn) }
-	};
-	SegmentNodeList.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SegmentNodeList.prototype.getClass = function getClass () {
-	  return SegmentNodeList
-	};
-
-
-
-	// class NodeVertexIterator {
-	//   constructor () {
-	//     this._nodeList = null
-	//     this._edge = null
-	//     this._nodeIt = null
-	//     this._currNode = null
-	//     this._nextNode = null
-	//     this._currSegIndex = 0
-	//     let nodeList = arguments[0]
-	//     this._nodeList = nodeList
-	//     this._edge = nodeList.getEdge()
-	//     this._nodeIt = nodeList.iterator()
-	//     this.readNextNode()
-	//   }
-	//   next () {
-	//     if (this._currNode === null) {
-	//       this._currNode = this._nextNode
-	//       this._currSegIndex = this._currNode.segmentIndex
-	//       this.readNextNode()
-	//       return this._currNode
-	//     }
-	//     if (this._nextNode === null) return null
-	//     if (this._nextNode.segmentIndex === this._currNode.segmentIndex) {
-	//       this._currNode = this._nextNode
-	//       this._currSegIndex = this._currNode.segmentIndex
-	//       this.readNextNode()
-	//       return this._currNode
-	//     }
-	//     if (this._nextNode.segmentIndex > this._currNode.segmentIndex) {}
-	//     return null
-	//   }
-	//   remove () {
-	//     // throw new UnsupportedOperationException(this.getClass().getName())
-	//   }
-	//   hasNext () {
-	//     if (this._nextNode === null) return false
-	//     return true
-	//   }
-	//   readNextNode () {
-	//     if (this._nodeIt.hasNext()) this._nextNode = this._nodeIt.next(); else this._nextNode = null
-	//   }
-	//   interfaces_ () {
-	//     return [Iterator]
-	//   }
-	//   getClass () {
-	//     return NodeVertexIterator
-	//   }
-	// }
-
-	var Octant = function Octant () {};
-
-	Octant.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Octant.prototype.getClass = function getClass () {
-	  return Octant
-	};
-	Octant.octant = function octant () {
-	  if (typeof arguments[0] === 'number' && typeof arguments[1] === 'number') {
-	    var dx = arguments[0];
-	    var dy = arguments[1];
-	    if (dx === 0.0 && dy === 0.0) { throw new IllegalArgumentException('Cannot compute the octant for point ( ' + dx + ', ' + dy + ' )') }
-	    var adx = Math.abs(dx);
-	    var ady = Math.abs(dy);
-	    if (dx >= 0) {
-	      if (dy >= 0) {
-	        if (adx >= ady) { return 0; } else { return 1 }
-	      } else {
-	        if (adx >= ady) { return 7; } else { return 6 }
-	      }
-	    } else {
-	      if (dy >= 0) {
-	        if (adx >= ady) { return 3; } else { return 2 }
-	      } else {
-	        if (adx >= ady) { return 4; } else { return 5 }
-	      }
-	    }
-	  } else if (arguments[0] instanceof Coordinate && arguments[1] instanceof Coordinate) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    var dx$1 = p1.x - p0.x;
-	    var dy$1 = p1.y - p0.y;
-	    if (dx$1 === 0.0 && dy$1 === 0.0) { throw new IllegalArgumentException('Cannot compute the octant for two identical points ' + p0) }
-	    return Octant.octant(dx$1, dy$1)
-	  }
-	};
-
-	var SegmentString = function SegmentString () {};
-
-	SegmentString.prototype.getCoordinates = function getCoordinates () {};
-	SegmentString.prototype.size = function size () {};
-	SegmentString.prototype.getCoordinate = function getCoordinate (i) {};
-	SegmentString.prototype.isClosed = function isClosed () {};
-	SegmentString.prototype.setData = function setData (data) {};
-	SegmentString.prototype.getData = function getData () {};
-	SegmentString.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SegmentString.prototype.getClass = function getClass () {
-	  return SegmentString
-	};
-
-	var NodableSegmentString = function NodableSegmentString () {};
-
-	NodableSegmentString.prototype.addIntersection = function addIntersection (intPt, segmentIndex) {};
-	NodableSegmentString.prototype.interfaces_ = function interfaces_ () {
-	  return [SegmentString]
-	};
-	NodableSegmentString.prototype.getClass = function getClass () {
-	  return NodableSegmentString
-	};
-
-	var NodedSegmentString = function NodedSegmentString () {
-	  this._nodeList = new SegmentNodeList(this);
-	  this._pts = null;
-	  this._data = null;
-	  var pts = arguments[0];
-	  var data = arguments[1];
-	  this._pts = pts;
-	  this._data = data;
-	};
-	NodedSegmentString.prototype.getCoordinates = function getCoordinates () {
-	  return this._pts
-	};
-	NodedSegmentString.prototype.size = function size () {
-	  return this._pts.length
-	};
-	NodedSegmentString.prototype.getCoordinate = function getCoordinate (i) {
-	  return this._pts[i]
-	};
-	NodedSegmentString.prototype.isClosed = function isClosed () {
-	  return this._pts[0].equals(this._pts[this._pts.length - 1])
-	};
-	NodedSegmentString.prototype.getSegmentOctant = function getSegmentOctant (index) {
-	  if (index === this._pts.length - 1) { return -1 }
-	  return this.safeOctant(this.getCoordinate(index), this.getCoordinate(index + 1))
-	};
-	NodedSegmentString.prototype.setData = function setData (data) {
-	  this._data = data;
-	};
-	NodedSegmentString.prototype.safeOctant = function safeOctant (p0, p1) {
-	  if (p0.equals2D(p1)) { return 0 }
-	  return Octant.octant(p0, p1)
-	};
-	NodedSegmentString.prototype.getData = function getData () {
-	  return this._data
-	};
-	NodedSegmentString.prototype.addIntersection = function addIntersection () {
-	  if (arguments.length === 2) {
-	    var intPt$1 = arguments[0];
-	    var segmentIndex = arguments[1];
-	    this.addIntersectionNode(intPt$1, segmentIndex);
-	  } else if (arguments.length === 4) {
-	    var li = arguments[0];
-	    var segmentIndex$1 = arguments[1];
-	    // const geomIndex = arguments[2]
-	    var intIndex = arguments[3];
-	    var intPt = new Coordinate(li.getIntersection(intIndex));
-	    this.addIntersection(intPt, segmentIndex$1);
-	  }
-	};
-	NodedSegmentString.prototype.toString = function toString () {
-	  return WKTWriter.toLineString(new CoordinateArraySequence(this._pts))
-	};
-	NodedSegmentString.prototype.getNodeList = function getNodeList () {
-	  return this._nodeList
-	};
-	NodedSegmentString.prototype.addIntersectionNode = function addIntersectionNode (intPt, segmentIndex) {
-	  var normalizedSegmentIndex = segmentIndex;
-	  var nextSegIndex = normalizedSegmentIndex + 1;
-	  if (nextSegIndex < this._pts.length) {
-	    var nextPt = this._pts[nextSegIndex];
-	    if (intPt.equals2D(nextPt)) {
-	      normalizedSegmentIndex = nextSegIndex;
-	    }
-	  }
-	  var ei = this._nodeList.add(intPt, normalizedSegmentIndex);
-	  return ei
-	};
-	NodedSegmentString.prototype.addIntersections = function addIntersections (li, segmentIndex, geomIndex) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < li.getIntersectionNum(); i++) {
-	    this$1.addIntersection(li, segmentIndex, geomIndex, i);
-	  }
-	};
-	NodedSegmentString.prototype.interfaces_ = function interfaces_ () {
-	  return [NodableSegmentString]
-	};
-	NodedSegmentString.prototype.getClass = function getClass () {
-	  return NodedSegmentString
-	};
-	NodedSegmentString.getNodedSubstrings = function getNodedSubstrings () {
-	  if (arguments.length === 1) {
-	    var segStrings = arguments[0];
-	    var resultEdgelist = new ArrayList();
-	    NodedSegmentString.getNodedSubstrings(segStrings, resultEdgelist);
-	    return resultEdgelist
-	  } else if (arguments.length === 2) {
-	    var segStrings$1 = arguments[0];
-	    var resultEdgelist$1 = arguments[1];
-	    for (var i = segStrings$1.iterator(); i.hasNext();) {
-	      var ss = i.next();
-	      ss.getNodeList().addSplitEdges(resultEdgelist$1);
-	    }
-	  }
-	};
-
-	var LineSegment = function LineSegment () {
-	  this.p0 = null;
-	  this.p1 = null;
-	  if (arguments.length === 0) {
-	    this.p0 = new Coordinate();
-	    this.p1 = new Coordinate();
-	  } else if (arguments.length === 1) {
-	    var ls = arguments[0];
-	    this.p0 = new Coordinate(ls.p0);
-	    this.p1 = new Coordinate(ls.p1);
-	  } else if (arguments.length === 2) {
-	    this.p0 = arguments[0];
-	    this.p1 = arguments[1];
-	  } else if (arguments.length === 4) {
-	    var x0 = arguments[0];
-	    var y0 = arguments[1];
-	    var x1 = arguments[2];
-	    var y1 = arguments[3];
-	    this.p0 = new Coordinate(x0, y0);
-	    this.p1 = new Coordinate(x1, y1);
-	  }
-	};
-
-	var staticAccessors$24 = { serialVersionUID: { configurable: true } };
-	LineSegment.prototype.minX = function minX () {
-	  return Math.min(this.p0.x, this.p1.x)
-	};
-	LineSegment.prototype.orientationIndex = function orientationIndex () {
-	  if (arguments[0] instanceof LineSegment) {
-	    var seg = arguments[0];
-	    var orient0 = CGAlgorithms.orientationIndex(this.p0, this.p1, seg.p0);
-	    var orient1 = CGAlgorithms.orientationIndex(this.p0, this.p1, seg.p1);
-	    if (orient0 >= 0 && orient1 >= 0) { return Math.max(orient0, orient1) }
-	    if (orient0 <= 0 && orient1 <= 0) { return Math.max(orient0, orient1) }
-	    return 0
-	  } else if (arguments[0] instanceof Coordinate) {
-	    var p = arguments[0];
-	    return CGAlgorithms.orientationIndex(this.p0, this.p1, p)
-	  }
-	};
-	LineSegment.prototype.toGeometry = function toGeometry (geomFactory) {
-	  return geomFactory.createLineString([this.p0, this.p1])
-	};
-	LineSegment.prototype.isVertical = function isVertical () {
-	  return this.p0.x === this.p1.x
-	};
-	LineSegment.prototype.equals = function equals (o) {
-	  if (!(o instanceof LineSegment)) {
-	    return false
-	  }
-	  var other = o;
-	  return this.p0.equals(other.p0) && this.p1.equals(other.p1)
-	};
-	LineSegment.prototype.intersection = function intersection (line) {
-	  var li = new RobustLineIntersector();
-	  li.computeIntersection(this.p0, this.p1, line.p0, line.p1);
-	  if (li.hasIntersection()) { return li.getIntersection(0) }
-	  return null
-	};
-	LineSegment.prototype.project = function project () {
-	  if (arguments[0] instanceof Coordinate) {
-	    var p = arguments[0];
-	    if (p.equals(this.p0) || p.equals(this.p1)) { return new Coordinate(p) }
-	    var r = this.projectionFactor(p);
-	    var coord = new Coordinate();
-	    coord.x = this.p0.x + r * (this.p1.x - this.p0.x);
-	    coord.y = this.p0.y + r * (this.p1.y - this.p0.y);
-	    return coord
-	  } else if (arguments[0] instanceof LineSegment) {
-	    var seg = arguments[0];
-	    var pf0 = this.projectionFactor(seg.p0);
-	    var pf1 = this.projectionFactor(seg.p1);
-	    if (pf0 >= 1.0 && pf1 >= 1.0) { return null }
-	    if (pf0 <= 0.0 && pf1 <= 0.0) { return null }
-	    var newp0 = this.project(seg.p0);
-	    if (pf0 < 0.0) { newp0 = this.p0; }
-	    if (pf0 > 1.0) { newp0 = this.p1; }
-	    var newp1 = this.project(seg.p1);
-	    if (pf1 < 0.0) { newp1 = this.p0; }
-	    if (pf1 > 1.0) { newp1 = this.p1; }
-	    return new LineSegment(newp0, newp1)
-	  }
-	};
-	LineSegment.prototype.normalize = function normalize () {
-	  if (this.p1.compareTo(this.p0) < 0) { this.reverse(); }
-	};
-	LineSegment.prototype.angle = function angle () {
-	  return Math.atan2(this.p1.y - this.p0.y, this.p1.x - this.p0.x)
-	};
-	LineSegment.prototype.getCoordinate = function getCoordinate (i) {
-	  if (i === 0) { return this.p0 }
-	  return this.p1
-	};
-	LineSegment.prototype.distancePerpendicular = function distancePerpendicular (p) {
-	  return CGAlgorithms.distancePointLinePerpendicular(p, this.p0, this.p1)
-	};
-	LineSegment.prototype.minY = function minY () {
-	  return Math.min(this.p0.y, this.p1.y)
-	};
-	LineSegment.prototype.midPoint = function midPoint () {
-	  return LineSegment.midPoint(this.p0, this.p1)
-	};
-	LineSegment.prototype.projectionFactor = function projectionFactor (p) {
-	  if (p.equals(this.p0)) { return 0.0 }
-	  if (p.equals(this.p1)) { return 1.0 }
-	  var dx = this.p1.x - this.p0.x;
-	  var dy = this.p1.y - this.p0.y;
-	  var len = dx * dx + dy * dy;
-	  if (len <= 0.0) { return Double.NaN }
-	  var r = ((p.x - this.p0.x) * dx + (p.y - this.p0.y) * dy) / len;
-	  return r
-	};
-	LineSegment.prototype.closestPoints = function closestPoints (line) {
-	  var intPt = this.intersection(line);
-	  if (intPt !== null) {
-	    return [intPt, intPt]
-	  }
-	  var closestPt = new Array(2).fill(null);
-	  var minDistance = Double.MAX_VALUE;
-	  var dist = null;
-	  var close00 = this.closestPoint(line.p0);
-	  minDistance = close00.distance(line.p0);
-	  closestPt[0] = close00;
-	  closestPt[1] = line.p0;
-	  var close01 = this.closestPoint(line.p1);
-	  dist = close01.distance(line.p1);
-	  if (dist < minDistance) {
-	    minDistance = dist;
-	    closestPt[0] = close01;
-	    closestPt[1] = line.p1;
-	  }
-	  var close10 = line.closestPoint(this.p0);
-	  dist = close10.distance(this.p0);
-	  if (dist < minDistance) {
-	    minDistance = dist;
-	    closestPt[0] = this.p0;
-	    closestPt[1] = close10;
-	  }
-	  var close11 = line.closestPoint(this.p1);
-	  dist = close11.distance(this.p1);
-	  if (dist < minDistance) {
-	    minDistance = dist;
-	    closestPt[0] = this.p1;
-	    closestPt[1] = close11;
-	  }
-	  return closestPt
-	};
-	LineSegment.prototype.closestPoint = function closestPoint (p) {
-	  var factor = this.projectionFactor(p);
-	  if (factor > 0 && factor < 1) {
-	    return this.project(p)
-	  }
-	  var dist0 = this.p0.distance(p);
-	  var dist1 = this.p1.distance(p);
-	  if (dist0 < dist1) { return this.p0 }
-	  return this.p1
-	};
-	LineSegment.prototype.maxX = function maxX () {
-	  return Math.max(this.p0.x, this.p1.x)
-	};
-	LineSegment.prototype.getLength = function getLength () {
-	  return this.p0.distance(this.p1)
-	};
-	LineSegment.prototype.compareTo = function compareTo (o) {
-	  var other = o;
-	  var comp0 = this.p0.compareTo(other.p0);
-	  if (comp0 !== 0) { return comp0 }
-	  return this.p1.compareTo(other.p1)
-	};
-	LineSegment.prototype.reverse = function reverse () {
-	  var temp = this.p0;
-	  this.p0 = this.p1;
-	  this.p1 = temp;
-	};
-	LineSegment.prototype.equalsTopo = function equalsTopo (other) {
-	  return this.p0.equals(other.p0) &&
-	        (this.p1.equals(other.p1) || this.p0.equals(other.p1)) &&
-	         this.p1.equals(other.p0)
-	};
-	LineSegment.prototype.lineIntersection = function lineIntersection (line) {
-	  try {
-	    var intPt = HCoordinate.intersection(this.p0, this.p1, line.p0, line.p1);
-	    return intPt
-	  } catch (ex) {
-	    if (ex instanceof NotRepresentableException) ; else { throw ex }
-	  } finally {}
-	  return null
-	};
-	LineSegment.prototype.maxY = function maxY () {
-	  return Math.max(this.p0.y, this.p1.y)
-	};
-	LineSegment.prototype.pointAlongOffset = function pointAlongOffset (segmentLengthFraction, offsetDistance) {
-	  var segx = this.p0.x + segmentLengthFraction * (this.p1.x - this.p0.x);
-	  var segy = this.p0.y + segmentLengthFraction * (this.p1.y - this.p0.y);
-	  var dx = this.p1.x - this.p0.x;
-	  var dy = this.p1.y - this.p0.y;
-	  var len = Math.sqrt(dx * dx + dy * dy);
-	  var ux = 0.0;
-	  var uy = 0.0;
-	  if (offsetDistance !== 0.0) {
-	    if (len <= 0.0) { throw new Error('Cannot compute offset from zero-length line segment') }
-	    ux = offsetDistance * dx / len;
-	    uy = offsetDistance * dy / len;
-	  }
-	  var offsetx = segx - uy;
-	  var offsety = segy + ux;
-	  var coord = new Coordinate(offsetx, offsety);
-	  return coord
-	};
-	LineSegment.prototype.setCoordinates = function setCoordinates () {
-	  if (arguments.length === 1) {
-	    var ls = arguments[0];
-	    this.setCoordinates(ls.p0, ls.p1);
-	  } else if (arguments.length === 2) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    this.p0.x = p0.x;
-	    this.p0.y = p0.y;
-	    this.p1.x = p1.x;
-	    this.p1.y = p1.y;
-	  }
-	};
-	LineSegment.prototype.segmentFraction = function segmentFraction (inputPt) {
-	  var segFrac = this.projectionFactor(inputPt);
-	  if (segFrac < 0.0) { segFrac = 0.0; } else if (segFrac > 1.0 || Double.isNaN(segFrac)) { segFrac = 1.0; }
-	  return segFrac
-	};
-	LineSegment.prototype.toString = function toString () {
-	  return 'LINESTRING( ' + this.p0.x + ' ' + this.p0.y + ', ' + this.p1.x + ' ' + this.p1.y + ')'
-	};
-	LineSegment.prototype.isHorizontal = function isHorizontal () {
-	  return this.p0.y === this.p1.y
-	};
-	LineSegment.prototype.distance = function distance () {
-	  if (arguments[0] instanceof LineSegment) {
-	    var ls = arguments[0];
-	    return CGAlgorithms.distanceLineLine(this.p0, this.p1, ls.p0, ls.p1)
-	  } else if (arguments[0] instanceof Coordinate) {
-	    var p = arguments[0];
-	    return CGAlgorithms.distancePointLine(p, this.p0, this.p1)
-	  }
-	};
-	LineSegment.prototype.pointAlong = function pointAlong (segmentLengthFraction) {
-	  var coord = new Coordinate();
-	  coord.x = this.p0.x + segmentLengthFraction * (this.p1.x - this.p0.x);
-	  coord.y = this.p0.y + segmentLengthFraction * (this.p1.y - this.p0.y);
-	  return coord
-	};
-	LineSegment.prototype.hashCode = function hashCode () {
-	  var bits0 = Double.doubleToLongBits(this.p0.x);
-	  bits0 ^= Double.doubleToLongBits(this.p0.y) * 31;
-	  var hash0 = Math.trunc(bits0) ^ Math.trunc(bits0 >> 32);
-	  var bits1 = Double.doubleToLongBits(this.p1.x);
-	  bits1 ^= Double.doubleToLongBits(this.p1.y) * 31;
-	  var hash1 = Math.trunc(bits1) ^ Math.trunc(bits1 >> 32);
-	  return hash0 ^ hash1
-	};
-	LineSegment.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable, Serializable]
-	};
-	LineSegment.prototype.getClass = function getClass () {
-	  return LineSegment
-	};
-	LineSegment.midPoint = function midPoint (p0, p1) {
-	  return new Coordinate((p0.x + p1.x) / 2, (p0.y + p1.y) / 2)
-	};
-	staticAccessors$24.serialVersionUID.get = function () { return 3252005833466256227 };
-
-	Object.defineProperties( LineSegment, staticAccessors$24 );
-
-	var MonotoneChainOverlapAction = function MonotoneChainOverlapAction () {
-	  this.tempEnv1 = new Envelope();
-	  this.tempEnv2 = new Envelope();
-	  this._overlapSeg1 = new LineSegment();
-	  this._overlapSeg2 = new LineSegment();
-	};
-	MonotoneChainOverlapAction.prototype.overlap = function overlap () {
-	  if (arguments.length === 2) ; else if (arguments.length === 4) {
-	    var mc1 = arguments[0];
-	    var start1 = arguments[1];
-	    var mc2 = arguments[2];
-	    var start2 = arguments[3];
-	    mc1.getLineSegment(start1, this._overlapSeg1);
-	    mc2.getLineSegment(start2, this._overlapSeg2);
-	    this.overlap(this._overlapSeg1, this._overlapSeg2);
-	  }
-	};
-	MonotoneChainOverlapAction.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MonotoneChainOverlapAction.prototype.getClass = function getClass () {
-	  return MonotoneChainOverlapAction
-	};
-
-	var MonotoneChain = function MonotoneChain () {
-	  this._pts = null;
-	  this._start = null;
-	  this._end = null;
-	  this._env = null;
-	  this._context = null;
-	  this._id = null;
-	  var pts = arguments[0];
-	  var start = arguments[1];
-	  var end = arguments[2];
-	  var context = arguments[3];
-	  this._pts = pts;
-	  this._start = start;
-	  this._end = end;
-	  this._context = context;
-	};
-	MonotoneChain.prototype.getLineSegment = function getLineSegment (index, ls) {
-	  ls.p0 = this._pts[index];
-	  ls.p1 = this._pts[index + 1];
-	};
-	MonotoneChain.prototype.computeSelect = function computeSelect (searchEnv, start0, end0, mcs) {
-	  var p0 = this._pts[start0];
-	  var p1 = this._pts[end0];
-	  mcs.tempEnv1.init(p0, p1);
-	  if (end0 - start0 === 1) {
-	    mcs.select(this, start0);
-	    return null
-	  }
-	  if (!searchEnv.intersects(mcs.tempEnv1)) { return null }
-	  var mid = Math.trunc((start0 + end0) / 2);
-	  if (start0 < mid) {
-	    this.computeSelect(searchEnv, start0, mid, mcs);
-	  }
-	  if (mid < end0) {
-	    this.computeSelect(searchEnv, mid, end0, mcs);
-	  }
-	};
-	MonotoneChain.prototype.getCoordinates = function getCoordinates () {
-	    var this$1 = this;
-
-	  var coord = new Array(this._end - this._start + 1).fill(null);
-	  var index = 0;
-	  for (var i = this._start; i <= this._end; i++) {
-	    coord[index++] = this$1._pts[i];
-	  }
-	  return coord
-	};
-	MonotoneChain.prototype.computeOverlaps = function computeOverlaps (mc, mco) {
-	  this.computeOverlapsInternal(this._start, this._end, mc, mc._start, mc._end, mco);
-	};
-	MonotoneChain.prototype.setId = function setId (id) {
-	  this._id = id;
-	};
-	MonotoneChain.prototype.select = function select (searchEnv, mcs) {
-	  this.computeSelect(searchEnv, this._start, this._end, mcs);
-	};
-	MonotoneChain.prototype.getEnvelope = function getEnvelope () {
-	  if (this._env === null) {
-	    var p0 = this._pts[this._start];
-	    var p1 = this._pts[this._end];
-	    this._env = new Envelope(p0, p1);
-	  }
-	  return this._env
-	};
-	MonotoneChain.prototype.getEndIndex = function getEndIndex () {
-	  return this._end
-	};
-	MonotoneChain.prototype.getStartIndex = function getStartIndex () {
-	  return this._start
-	};
-	MonotoneChain.prototype.getContext = function getContext () {
-	  return this._context
-	};
-	MonotoneChain.prototype.getId = function getId () {
-	  return this._id
-	};
-	MonotoneChain.prototype.computeOverlapsInternal = function computeOverlapsInternal (start0, end0, mc, start1, end1, mco) {
-	  var p00 = this._pts[start0];
-	  var p01 = this._pts[end0];
-	  var p10 = mc._pts[start1];
-	  var p11 = mc._pts[end1];
-	  if (end0 - start0 === 1 && end1 - start1 === 1) {
-	    mco.overlap(this, start0, mc, start1);
-	    return null
-	  }
-	  mco.tempEnv1.init(p00, p01);
-	  mco.tempEnv2.init(p10, p11);
-	  if (!mco.tempEnv1.intersects(mco.tempEnv2)) { return null }
-	  var mid0 = Math.trunc((start0 + end0) / 2);
-	  var mid1 = Math.trunc((start1 + end1) / 2);
-	  if (start0 < mid0) {
-	    if (start1 < mid1) { this.computeOverlapsInternal(start0, mid0, mc, start1, mid1, mco); }
-	    if (mid1 < end1) { this.computeOverlapsInternal(start0, mid0, mc, mid1, end1, mco); }
-	  }
-	  if (mid0 < end0) {
-	    if (start1 < mid1) { this.computeOverlapsInternal(mid0, end0, mc, start1, mid1, mco); }
-	    if (mid1 < end1) { this.computeOverlapsInternal(mid0, end0, mc, mid1, end1, mco); }
-	  }
-	};
-	MonotoneChain.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MonotoneChain.prototype.getClass = function getClass () {
-	  return MonotoneChain
-	};
-
-	var MonotoneChainBuilder = function MonotoneChainBuilder () {};
-
-	MonotoneChainBuilder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MonotoneChainBuilder.prototype.getClass = function getClass () {
-	  return MonotoneChainBuilder
-	};
-	MonotoneChainBuilder.getChainStartIndices = function getChainStartIndices (pts) {
-	  var start = 0;
-	  var startIndexList = new ArrayList();
-	  startIndexList.add(new Integer(start));
-	  do {
-	    var last = MonotoneChainBuilder.findChainEnd(pts, start);
-	    startIndexList.add(new Integer(last));
-	    start = last;
-	  } while (start < pts.length - 1)
-	  var startIndex = MonotoneChainBuilder.toIntArray(startIndexList);
-	  return startIndex
-	};
-	MonotoneChainBuilder.findChainEnd = function findChainEnd (pts, start) {
-	  var safeStart = start;
-	  while (safeStart < pts.length - 1 && pts[safeStart].equals2D(pts[safeStart + 1])) {
-	    safeStart++;
-	  }
-	  if (safeStart >= pts.length - 1) {
-	    return pts.length - 1
-	  }
-	  var chainQuad = Quadrant.quadrant(pts[safeStart], pts[safeStart + 1]);
-	  var last = start + 1;
-	  while (last < pts.length) {
-	    if (!pts[last - 1].equals2D(pts[last])) {
-	      var quad = Quadrant.quadrant(pts[last - 1], pts[last]);
-	      if (quad !== chainQuad) { break }
-	    }
-	    last++;
-	  }
-	  return last - 1
-	};
-	MonotoneChainBuilder.getChains = function getChains () {
-	  if (arguments.length === 1) {
-	    var pts = arguments[0];
-	    return MonotoneChainBuilder.getChains(pts, null)
-	  } else if (arguments.length === 2) {
-	    var pts$1 = arguments[0];
-	    var context = arguments[1];
-	    var mcList = new ArrayList();
-	    var startIndex = MonotoneChainBuilder.getChainStartIndices(pts$1);
-	    for (var i = 0; i < startIndex.length - 1; i++) {
-	      var mc = new MonotoneChain(pts$1, startIndex[i], startIndex[i + 1], context);
-	      mcList.add(mc);
-	    }
-	    return mcList
-	  }
-	};
-	MonotoneChainBuilder.toIntArray = function toIntArray (list) {
-	  var array = new Array(list.size()).fill(null);
-	  for (var i = 0; i < array.length; i++) {
-	    array[i] = list.get(i).intValue();
-	  }
-	  return array
-	};
-
-	var Noder = function Noder () {};
-
-	Noder.prototype.computeNodes = function computeNodes (segStrings) {};
-	Noder.prototype.getNodedSubstrings = function getNodedSubstrings () {};
-	Noder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Noder.prototype.getClass = function getClass () {
-	  return Noder
-	};
-
-	var SinglePassNoder = function SinglePassNoder () {
-	  this._segInt = null;
-	  if (arguments.length === 0) ; else if (arguments.length === 1) {
-	    var segInt = arguments[0];
-	    this.setSegmentIntersector(segInt);
-	  }
-	};
-	SinglePassNoder.prototype.setSegmentIntersector = function setSegmentIntersector (segInt) {
-	  this._segInt = segInt;
-	};
-	SinglePassNoder.prototype.interfaces_ = function interfaces_ () {
-	  return [Noder]
-	};
-	SinglePassNoder.prototype.getClass = function getClass () {
-	  return SinglePassNoder
-	};
-
-	var MCIndexNoder = (function (SinglePassNoder$$1) {
-	  function MCIndexNoder (si) {
-	    if (si) { SinglePassNoder$$1.call(this, si); }
-	    else { SinglePassNoder$$1.call(this); }
-	    this._monoChains = new ArrayList();
-	    this._index = new STRtree();
-	    this._idCounter = 0;
-	    this._nodedSegStrings = null;
-	    this._nOverlaps = 0;
-	  }
-
-	  if ( SinglePassNoder$$1 ) MCIndexNoder.__proto__ = SinglePassNoder$$1;
-	  MCIndexNoder.prototype = Object.create( SinglePassNoder$$1 && SinglePassNoder$$1.prototype );
-	  MCIndexNoder.prototype.constructor = MCIndexNoder;
-
-	  var staticAccessors = { SegmentOverlapAction: { configurable: true } };
-	  MCIndexNoder.prototype.getMonotoneChains = function getMonotoneChains () {
-	    return this._monoChains
-	  };
-	  MCIndexNoder.prototype.getNodedSubstrings = function getNodedSubstrings () {
-	    return NodedSegmentString.getNodedSubstrings(this._nodedSegStrings)
-	  };
-	  MCIndexNoder.prototype.getIndex = function getIndex () {
-	    return this._index
-	  };
-	  MCIndexNoder.prototype.add = function add (segStr) {
-	    var this$1 = this;
-
-	    var segChains = MonotoneChainBuilder.getChains(segStr.getCoordinates(), segStr);
-	    for (var i = segChains.iterator(); i.hasNext();) {
-	      var mc = i.next();
-	      mc.setId(this$1._idCounter++);
-	      this$1._index.insert(mc.getEnvelope(), mc);
-	      this$1._monoChains.add(mc);
-	    }
-	  };
-	  MCIndexNoder.prototype.computeNodes = function computeNodes (inputSegStrings) {
-	    var this$1 = this;
-
-	    this._nodedSegStrings = inputSegStrings;
-	    for (var i = inputSegStrings.iterator(); i.hasNext();) {
-	      this$1.add(i.next());
-	    }
-	    this.intersectChains();
-	  };
-	  MCIndexNoder.prototype.intersectChains = function intersectChains () {
-	    var this$1 = this;
-
-	    var overlapAction = new SegmentOverlapAction(this._segInt);
-	    for (var i = this._monoChains.iterator(); i.hasNext();) {
-	      var queryChain = i.next();
-	      var overlapChains = this$1._index.query(queryChain.getEnvelope());
-	      for (var j = overlapChains.iterator(); j.hasNext();) {
-	        var testChain = j.next();
-	        if (testChain.getId() > queryChain.getId()) {
-	          queryChain.computeOverlaps(testChain, overlapAction);
-	          this$1._nOverlaps++;
-	        }
-	        if (this$1._segInt.isDone()) { return null }
-	      }
-	    }
-	  };
-	  MCIndexNoder.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  MCIndexNoder.prototype.getClass = function getClass () {
-	    return MCIndexNoder
-	  };
-	  staticAccessors.SegmentOverlapAction.get = function () { return SegmentOverlapAction };
-
-	  Object.defineProperties( MCIndexNoder, staticAccessors );
-
-	  return MCIndexNoder;
-	}(SinglePassNoder));
-
-	var SegmentOverlapAction = (function (MonotoneChainOverlapAction$$1) {
-	  function SegmentOverlapAction () {
-	    MonotoneChainOverlapAction$$1.call(this);
-	    this._si = null;
-	    var si = arguments[0];
-	    this._si = si;
-	  }
-
-	  if ( MonotoneChainOverlapAction$$1 ) SegmentOverlapAction.__proto__ = MonotoneChainOverlapAction$$1;
-	  SegmentOverlapAction.prototype = Object.create( MonotoneChainOverlapAction$$1 && MonotoneChainOverlapAction$$1.prototype );
-	  SegmentOverlapAction.prototype.constructor = SegmentOverlapAction;
-	  SegmentOverlapAction.prototype.overlap = function overlap () {
-	    if (arguments.length === 4) {
-	      var mc1 = arguments[0];
-	      var start1 = arguments[1];
-	      var mc2 = arguments[2];
-	      var start2 = arguments[3];
-	      var ss1 = mc1.getContext();
-	      var ss2 = mc2.getContext();
-	      this._si.processIntersections(ss1, start1, ss2, start2);
-	    } else { return MonotoneChainOverlapAction$$1.prototype.overlap.apply(this, arguments) }
-	  };
-	  SegmentOverlapAction.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  SegmentOverlapAction.prototype.getClass = function getClass () {
-	    return SegmentOverlapAction
-	  };
-
-	  return SegmentOverlapAction;
-	}(MonotoneChainOverlapAction));
-
-	var BufferParameters = function BufferParameters () {
-	  this._quadrantSegments = BufferParameters.DEFAULT_QUADRANT_SEGMENTS;
-	  this._endCapStyle = BufferParameters.CAP_ROUND;
-	  this._joinStyle = BufferParameters.JOIN_ROUND;
-	  this._mitreLimit = BufferParameters.DEFAULT_MITRE_LIMIT;
-	  this._isSingleSided = false;
-	  this._simplifyFactor = BufferParameters.DEFAULT_SIMPLIFY_FACTOR;
-
-	  if (arguments.length === 0) ; else if (arguments.length === 1) {
-	    var quadrantSegments = arguments[0];
-	    this.setQuadrantSegments(quadrantSegments);
-	  } else if (arguments.length === 2) {
-	    var quadrantSegments$1 = arguments[0];
-	    var endCapStyle = arguments[1];
-	    this.setQuadrantSegments(quadrantSegments$1);
-	    this.setEndCapStyle(endCapStyle);
-	  } else if (arguments.length === 4) {
-	    var quadrantSegments$2 = arguments[0];
-	    var endCapStyle$1 = arguments[1];
-	    var joinStyle = arguments[2];
-	    var mitreLimit = arguments[3];
-	    this.setQuadrantSegments(quadrantSegments$2);
-	    this.setEndCapStyle(endCapStyle$1);
-	    this.setJoinStyle(joinStyle);
-	    this.setMitreLimit(mitreLimit);
-	  }
-	};
-
-	var staticAccessors$25 = { CAP_ROUND: { configurable: true },CAP_FLAT: { configurable: true },CAP_SQUARE: { configurable: true },JOIN_ROUND: { configurable: true },JOIN_MITRE: { configurable: true },JOIN_BEVEL: { configurable: true },DEFAULT_QUADRANT_SEGMENTS: { configurable: true },DEFAULT_MITRE_LIMIT: { configurable: true },DEFAULT_SIMPLIFY_FACTOR: { configurable: true } };
-	BufferParameters.prototype.getEndCapStyle = function getEndCapStyle () {
-	  return this._endCapStyle
-	};
-	BufferParameters.prototype.isSingleSided = function isSingleSided () {
-	  return this._isSingleSided
-	};
-	BufferParameters.prototype.setQuadrantSegments = function setQuadrantSegments (quadSegs) {
-	  this._quadrantSegments = quadSegs;
-	  if (this._quadrantSegments === 0) { this._joinStyle = BufferParameters.JOIN_BEVEL; }
-	  if (this._quadrantSegments < 0) {
-	    this._joinStyle = BufferParameters.JOIN_MITRE;
-	    this._mitreLimit = Math.abs(this._quadrantSegments);
-	  }
-	  if (quadSegs <= 0) {
-	    this._quadrantSegments = 1;
-	  }
-	  if (this._joinStyle !== BufferParameters.JOIN_ROUND) {
-	    this._quadrantSegments = BufferParameters.DEFAULT_QUADRANT_SEGMENTS;
-	  }
-	};
-	BufferParameters.prototype.getJoinStyle = function getJoinStyle () {
-	  return this._joinStyle
-	};
-	BufferParameters.prototype.setJoinStyle = function setJoinStyle (joinStyle) {
-	  this._joinStyle = joinStyle;
-	};
-	BufferParameters.prototype.setSimplifyFactor = function setSimplifyFactor (simplifyFactor) {
-	  this._simplifyFactor = simplifyFactor < 0 ? 0 : simplifyFactor;
-	};
-	BufferParameters.prototype.getSimplifyFactor = function getSimplifyFactor () {
-	  return this._simplifyFactor
-	};
-	BufferParameters.prototype.getQuadrantSegments = function getQuadrantSegments () {
-	  return this._quadrantSegments
-	};
-	BufferParameters.prototype.setEndCapStyle = function setEndCapStyle (endCapStyle) {
-	  this._endCapStyle = endCapStyle;
-	};
-	BufferParameters.prototype.getMitreLimit = function getMitreLimit () {
-	  return this._mitreLimit
-	};
-	BufferParameters.prototype.setMitreLimit = function setMitreLimit (mitreLimit) {
-	  this._mitreLimit = mitreLimit;
-	};
-	BufferParameters.prototype.setSingleSided = function setSingleSided (isSingleSided) {
-	  this._isSingleSided = isSingleSided;
-	};
-	BufferParameters.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BufferParameters.prototype.getClass = function getClass () {
-	  return BufferParameters
-	};
-	BufferParameters.bufferDistanceError = function bufferDistanceError (quadSegs) {
-	  var alpha = Math.PI / 2.0 / quadSegs;
-	  return 1 - Math.cos(alpha / 2.0)
-	};
-	staticAccessors$25.CAP_ROUND.get = function () { return 1 };
-	staticAccessors$25.CAP_FLAT.get = function () { return 2 };
-	staticAccessors$25.CAP_SQUARE.get = function () { return 3 };
-	staticAccessors$25.JOIN_ROUND.get = function () { return 1 };
-	staticAccessors$25.JOIN_MITRE.get = function () { return 2 };
-	staticAccessors$25.JOIN_BEVEL.get = function () { return 3 };
-	staticAccessors$25.DEFAULT_QUADRANT_SEGMENTS.get = function () { return 8 };
-	staticAccessors$25.DEFAULT_MITRE_LIMIT.get = function () { return 5.0 };
-	staticAccessors$25.DEFAULT_SIMPLIFY_FACTOR.get = function () { return 0.01 };
-
-	Object.defineProperties( BufferParameters, staticAccessors$25 );
-
-	var BufferInputLineSimplifier = function BufferInputLineSimplifier (inputLine) {
-	  this._distanceTol = null;
-	  this._isDeleted = null;
-	  this._angleOrientation = CGAlgorithms.COUNTERCLOCKWISE;
-	  this._inputLine = inputLine || null;
-	};
-
-	var staticAccessors$26 = { INIT: { configurable: true },DELETE: { configurable: true },KEEP: { configurable: true },NUM_PTS_TO_CHECK: { configurable: true } };
-	BufferInputLineSimplifier.prototype.isDeletable = function isDeletable (i0, i1, i2, distanceTol) {
-	  var p0 = this._inputLine[i0];
-	  var p1 = this._inputLine[i1];
-	  var p2 = this._inputLine[i2];
-	  if (!this.isConcave(p0, p1, p2)) { return false }
-	  if (!this.isShallow(p0, p1, p2, distanceTol)) { return false }
-	  return this.isShallowSampled(p0, p1, i0, i2, distanceTol)
-	};
-	BufferInputLineSimplifier.prototype.deleteShallowConcavities = function deleteShallowConcavities () {
-	    var this$1 = this;
-
-	  var index = 1;
-	  // const maxIndex = this._inputLine.length - 1
-	  var midIndex = this.findNextNonDeletedIndex(index);
-	  var lastIndex = this.findNextNonDeletedIndex(midIndex);
-	  var isChanged = false;
-	  while (lastIndex < this._inputLine.length) {
-	    var isMiddleVertexDeleted = false;
-	    if (this$1.isDeletable(index, midIndex, lastIndex, this$1._distanceTol)) {
-	      this$1._isDeleted[midIndex] = BufferInputLineSimplifier.DELETE;
-	      isMiddleVertexDeleted = true;
-	      isChanged = true;
-	    }
-	    if (isMiddleVertexDeleted) { index = lastIndex; } else { index = midIndex; }
-	    midIndex = this$1.findNextNonDeletedIndex(index);
-	    lastIndex = this$1.findNextNonDeletedIndex(midIndex);
-	  }
-	  return isChanged
-	};
-	BufferInputLineSimplifier.prototype.isShallowConcavity = function isShallowConcavity (p0, p1, p2, distanceTol) {
-	  var orientation = CGAlgorithms.computeOrientation(p0, p1, p2);
-	  var isAngleToSimplify = orientation === this._angleOrientation;
-	  if (!isAngleToSimplify) { return false }
-	  var dist = CGAlgorithms.distancePointLine(p1, p0, p2);
-	  return dist < distanceTol
-	};
-	BufferInputLineSimplifier.prototype.isShallowSampled = function isShallowSampled (p0, p2, i0, i2, distanceTol) {
-	    var this$1 = this;
-
-	  var inc = Math.trunc((i2 - i0) / BufferInputLineSimplifier.NUM_PTS_TO_CHECK);
-	  if (inc <= 0) { inc = 1; }
-	  for (var i = i0; i < i2; i += inc) {
-	    if (!this$1.isShallow(p0, p2, this$1._inputLine[i], distanceTol)) { return false }
-	  }
-	  return true
-	};
-	BufferInputLineSimplifier.prototype.isConcave = function isConcave (p0, p1, p2) {
-	  var orientation = CGAlgorithms.computeOrientation(p0, p1, p2);
-	  var isConcave = orientation === this._angleOrientation;
-	  return isConcave
-	};
-	BufferInputLineSimplifier.prototype.simplify = function simplify (distanceTol) {
-	    var this$1 = this;
-
-	  this._distanceTol = Math.abs(distanceTol);
-	  if (distanceTol < 0) { this._angleOrientation = CGAlgorithms.CLOCKWISE; }
-	  this._isDeleted = new Array(this._inputLine.length).fill(null);
-	  var isChanged = false;
-	  do {
-	    isChanged = this$1.deleteShallowConcavities();
-	  } while (isChanged)
-	  return this.collapseLine()
-	};
-	BufferInputLineSimplifier.prototype.findNextNonDeletedIndex = function findNextNonDeletedIndex (index) {
-	  var next = index + 1;
-	  while (next < this._inputLine.length && this._isDeleted[next] === BufferInputLineSimplifier.DELETE) { next++; }
-	  return next
-	};
-	BufferInputLineSimplifier.prototype.isShallow = function isShallow (p0, p1, p2, distanceTol) {
-	  var dist = CGAlgorithms.distancePointLine(p1, p0, p2);
-	  return dist < distanceTol
-	};
-	BufferInputLineSimplifier.prototype.collapseLine = function collapseLine () {
-	    var this$1 = this;
-
-	  var coordList = new CoordinateList();
-	  for (var i = 0; i < this._inputLine.length; i++) {
-	    if (this$1._isDeleted[i] !== BufferInputLineSimplifier.DELETE) { coordList.add(this$1._inputLine[i]); }
-	  }
-	  return coordList.toCoordinateArray()
-	};
-	BufferInputLineSimplifier.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BufferInputLineSimplifier.prototype.getClass = function getClass () {
-	  return BufferInputLineSimplifier
-	};
-	BufferInputLineSimplifier.simplify = function simplify (inputLine, distanceTol) {
-	  var simp = new BufferInputLineSimplifier(inputLine);
-	  return simp.simplify(distanceTol)
-	};
-	staticAccessors$26.INIT.get = function () { return 0 };
-	staticAccessors$26.DELETE.get = function () { return 1 };
-	staticAccessors$26.KEEP.get = function () { return 1 };
-	staticAccessors$26.NUM_PTS_TO_CHECK.get = function () { return 10 };
-
-	Object.defineProperties( BufferInputLineSimplifier, staticAccessors$26 );
-
-	var OffsetSegmentString = function OffsetSegmentString () {
-	  this._ptList = null;
-	  this._precisionModel = null;
-	  this._minimimVertexDistance = 0.0;
-	  this._ptList = new ArrayList();
-	};
-
-	var staticAccessors$28 = { COORDINATE_ARRAY_TYPE: { configurable: true } };
-	OffsetSegmentString.prototype.getCoordinates = function getCoordinates () {
-	  var coord = this._ptList.toArray(OffsetSegmentString.COORDINATE_ARRAY_TYPE);
-	  return coord
-	};
-	OffsetSegmentString.prototype.setPrecisionModel = function setPrecisionModel (precisionModel) {
-	  this._precisionModel = precisionModel;
-	};
-	OffsetSegmentString.prototype.addPt = function addPt (pt) {
-	  var bufPt = new Coordinate(pt);
-	  this._precisionModel.makePrecise(bufPt);
-	  if (this.isRedundant(bufPt)) { return null }
-	  this._ptList.add(bufPt);
-	};
-	OffsetSegmentString.prototype.revere = function revere () {};
-	OffsetSegmentString.prototype.addPts = function addPts (pt, isForward) {
-	    var this$1 = this;
-
-	  if (isForward) {
-	    for (var i = 0; i < pt.length; i++) {
-	      this$1.addPt(pt[i]);
-	    }
-	  } else {
-	    for (var i$1 = pt.length - 1; i$1 >= 0; i$1--) {
-	      this$1.addPt(pt[i$1]);
-	    }
-	  }
-	};
-	OffsetSegmentString.prototype.isRedundant = function isRedundant (pt) {
-	  if (this._ptList.size() < 1) { return false }
-	  var lastPt = this._ptList.get(this._ptList.size() - 1);
-	  var ptDist = pt.distance(lastPt);
-	  if (ptDist < this._minimimVertexDistance) { return true }
-	  return false
-	};
-	OffsetSegmentString.prototype.toString = function toString () {
-	  var fact = new GeometryFactory();
-	  var line = fact.createLineString(this.getCoordinates());
-	  return line.toString()
-	};
-	OffsetSegmentString.prototype.closeRing = function closeRing () {
-	  if (this._ptList.size() < 1) { return null }
-	  var startPt = new Coordinate(this._ptList.get(0));
-	  var lastPt = this._ptList.get(this._ptList.size() - 1);
-	  // const last2Pt = null
-	  // if (this._ptList.size() >= 2) last2Pt = this._ptList.get(this._ptList.size() - 2)
-	  if (startPt.equals(lastPt)) { return null }
-	  this._ptList.add(startPt);
-	};
-	OffsetSegmentString.prototype.setMinimumVertexDistance = function setMinimumVertexDistance (minimimVertexDistance) {
-	  this._minimimVertexDistance = minimimVertexDistance;
-	};
-	OffsetSegmentString.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	OffsetSegmentString.prototype.getClass = function getClass () {
-	  return OffsetSegmentString
-	};
-	staticAccessors$28.COORDINATE_ARRAY_TYPE.get = function () { return new Array(0).fill(null) };
-
-	Object.defineProperties( OffsetSegmentString, staticAccessors$28 );
-
-	var Angle = function Angle () {};
-
-	var staticAccessors$29 = { PI_TIMES_2: { configurable: true },PI_OVER_2: { configurable: true },PI_OVER_4: { configurable: true },COUNTERCLOCKWISE: { configurable: true },CLOCKWISE: { configurable: true },NONE: { configurable: true } };
-
-	Angle.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Angle.prototype.getClass = function getClass () {
-	  return Angle
-	};
-	Angle.toDegrees = function toDegrees (radians) {
-	  return radians * 180 / Math.PI
-	};
-	Angle.normalize = function normalize (angle) {
-	  while (angle > Math.PI) { angle -= Angle.PI_TIMES_2; }
-	  while (angle <= -Math.PI) { angle += Angle.PI_TIMES_2; }
-	  return angle
-	};
-	Angle.angle = function angle () {
-	  if (arguments.length === 1) {
-	    var p = arguments[0];
-	    return Math.atan2(p.y, p.x)
-	  } else if (arguments.length === 2) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    var dx = p1.x - p0.x;
-	    var dy = p1.y - p0.y;
-	    return Math.atan2(dy, dx)
-	  }
-	};
-	Angle.isAcute = function isAcute (p0, p1, p2) {
-	  var dx0 = p0.x - p1.x;
-	  var dy0 = p0.y - p1.y;
-	  var dx1 = p2.x - p1.x;
-	  var dy1 = p2.y - p1.y;
-	  var dotprod = dx0 * dx1 + dy0 * dy1;
-	  return dotprod > 0
-	};
-	Angle.isObtuse = function isObtuse (p0, p1, p2) {
-	  var dx0 = p0.x - p1.x;
-	  var dy0 = p0.y - p1.y;
-	  var dx1 = p2.x - p1.x;
-	  var dy1 = p2.y - p1.y;
-	  var dotprod = dx0 * dx1 + dy0 * dy1;
-	  return dotprod < 0
-	};
-	Angle.interiorAngle = function interiorAngle (p0, p1, p2) {
-	  var anglePrev = Angle.angle(p1, p0);
-	  var angleNext = Angle.angle(p1, p2);
-	  return Math.abs(angleNext - anglePrev)
-	};
-	Angle.normalizePositive = function normalizePositive (angle) {
-	  if (angle < 0.0) {
-	    while (angle < 0.0) { angle += Angle.PI_TIMES_2; }
-	    if (angle >= Angle.PI_TIMES_2) { angle = 0.0; }
-	  } else {
-	    while (angle >= Angle.PI_TIMES_2) { angle -= Angle.PI_TIMES_2; }
-	    if (angle < 0.0) { angle = 0.0; }
-	  }
-	  return angle
-	};
-	Angle.angleBetween = function angleBetween (tip1, tail, tip2) {
-	  var a1 = Angle.angle(tail, tip1);
-	  var a2 = Angle.angle(tail, tip2);
-	  return Angle.diff(a1, a2)
-	};
-	Angle.diff = function diff (ang1, ang2) {
-	  var delAngle = null;
-	  if (ang1 < ang2) {
-	    delAngle = ang2 - ang1;
-	  } else {
-	    delAngle = ang1 - ang2;
-	  }
-	  if (delAngle > Math.PI) {
-	    delAngle = 2 * Math.PI - delAngle;
-	  }
-	  return delAngle
-	};
-	Angle.toRadians = function toRadians (angleDegrees) {
-	  return angleDegrees * Math.PI / 180.0
-	};
-	Angle.getTurn = function getTurn (ang1, ang2) {
-	  var crossproduct = Math.sin(ang2 - ang1);
-	  if (crossproduct > 0) {
-	    return Angle.COUNTERCLOCKWISE
-	  }
-	  if (crossproduct < 0) {
-	    return Angle.CLOCKWISE
-	  }
-	  return Angle.NONE
-	};
-	Angle.angleBetweenOriented = function angleBetweenOriented (tip1, tail, tip2) {
-	  var a1 = Angle.angle(tail, tip1);
-	  var a2 = Angle.angle(tail, tip2);
-	  var angDel = a2 - a1;
-	  if (angDel <= -Math.PI) { return angDel + Angle.PI_TIMES_2 }
-	  if (angDel > Math.PI) { return angDel - Angle.PI_TIMES_2 }
-	  return angDel
-	};
-	staticAccessors$29.PI_TIMES_2.get = function () { return 2.0 * Math.PI };
-	staticAccessors$29.PI_OVER_2.get = function () { return Math.PI / 2.0 };
-	staticAccessors$29.PI_OVER_4.get = function () { return Math.PI / 4.0 };
-	staticAccessors$29.COUNTERCLOCKWISE.get = function () { return CGAlgorithms.COUNTERCLOCKWISE };
-	staticAccessors$29.CLOCKWISE.get = function () { return CGAlgorithms.CLOCKWISE };
-	staticAccessors$29.NONE.get = function () { return CGAlgorithms.COLLINEAR };
-
-	Object.defineProperties( Angle, staticAccessors$29 );
-
-	var OffsetSegmentGenerator = function OffsetSegmentGenerator () {
-	  this._maxCurveSegmentError = 0.0;
-	  this._filletAngleQuantum = null;
-	  this._closingSegLengthFactor = 1;
-	  this._segList = null;
-	  this._distance = 0.0;
-	  this._precisionModel = null;
-	  this._bufParams = null;
-	  this._li = null;
-	  this._s0 = null;
-	  this._s1 = null;
-	  this._s2 = null;
-	  this._seg0 = new LineSegment();
-	  this._seg1 = new LineSegment();
-	  this._offset0 = new LineSegment();
-	  this._offset1 = new LineSegment();
-	  this._side = 0;
-	  this._hasNarrowConcaveAngle = false;
-	  var precisionModel = arguments[0];
-	  var bufParams = arguments[1];
-	  var distance = arguments[2];
-	  this._precisionModel = precisionModel;
-	  this._bufParams = bufParams;
-	  this._li = new RobustLineIntersector();
-	  this._filletAngleQuantum = Math.PI / 2.0 / bufParams.getQuadrantSegments();
-	  if (bufParams.getQuadrantSegments() >= 8 && bufParams.getJoinStyle() === BufferParameters.JOIN_ROUND) { this._closingSegLengthFactor = OffsetSegmentGenerator.MAX_CLOSING_SEG_LEN_FACTOR; }
-	  this.init(distance);
-	};
-
-	var staticAccessors$27 = { OFFSET_SEGMENT_SEPARATION_FACTOR: { configurable: true },INSIDE_TURN_VERTEX_SNAP_DISTANCE_FACTOR: { configurable: true },CURVE_VERTEX_SNAP_DISTANCE_FACTOR: { configurable: true },MAX_CLOSING_SEG_LEN_FACTOR: { configurable: true } };
-	OffsetSegmentGenerator.prototype.addNextSegment = function addNextSegment (p, addStartPoint) {
-	  this._s0 = this._s1;
-	  this._s1 = this._s2;
-	  this._s2 = p;
-	  this._seg0.setCoordinates(this._s0, this._s1);
-	  this.computeOffsetSegment(this._seg0, this._side, this._distance, this._offset0);
-	  this._seg1.setCoordinates(this._s1, this._s2);
-	  this.computeOffsetSegment(this._seg1, this._side, this._distance, this._offset1);
-	  if (this._s1.equals(this._s2)) { return null }
-	  var orientation = CGAlgorithms.computeOrientation(this._s0, this._s1, this._s2);
-	  var outsideTurn = (orientation === CGAlgorithms.CLOCKWISE && this._side === Position.LEFT) || (orientation === CGAlgorithms.COUNTERCLOCKWISE && this._side === Position.RIGHT);
-	  if (orientation === 0) {
-	    this.addCollinear(addStartPoint);
-	  } else if (outsideTurn) {
-	    this.addOutsideTurn(orientation, addStartPoint);
-	  } else {
-	    this.addInsideTurn(orientation, addStartPoint);
-	  }
-	};
-	OffsetSegmentGenerator.prototype.addLineEndCap = function addLineEndCap (p0, p1) {
-	  var seg = new LineSegment(p0, p1);
-	  var offsetL = new LineSegment();
-	  this.computeOffsetSegment(seg, Position.LEFT, this._distance, offsetL);
-	  var offsetR = new LineSegment();
-	  this.computeOffsetSegment(seg, Position.RIGHT, this._distance, offsetR);
-	  var dx = p1.x - p0.x;
-	  var dy = p1.y - p0.y;
-	  var angle = Math.atan2(dy, dx);
-	  switch (this._bufParams.getEndCapStyle()) {
-	    case BufferParameters.CAP_ROUND:
-	      this._segList.addPt(offsetL.p1);
-	      this.addFilletArc(p1, angle + Math.PI / 2, angle - Math.PI / 2, CGAlgorithms.CLOCKWISE, this._distance);
-	      this._segList.addPt(offsetR.p1);
-	      break
-	    case BufferParameters.CAP_FLAT:
-	      this._segList.addPt(offsetL.p1);
-	      this._segList.addPt(offsetR.p1);
-	      break
-	    case BufferParameters.CAP_SQUARE:
-	      var squareCapSideOffset = new Coordinate();
-	      squareCapSideOffset.x = Math.abs(this._distance) * Math.cos(angle);
-	      squareCapSideOffset.y = Math.abs(this._distance) * Math.sin(angle);
-	      var squareCapLOffset = new Coordinate(offsetL.p1.x + squareCapSideOffset.x, offsetL.p1.y + squareCapSideOffset.y);
-	      var squareCapROffset = new Coordinate(offsetR.p1.x + squareCapSideOffset.x, offsetR.p1.y + squareCapSideOffset.y);
-	      this._segList.addPt(squareCapLOffset);
-	      this._segList.addPt(squareCapROffset);
-	      break
-	  }
-	};
-	OffsetSegmentGenerator.prototype.getCoordinates = function getCoordinates () {
-	  var pts = this._segList.getCoordinates();
-	  return pts
-	};
-	OffsetSegmentGenerator.prototype.addMitreJoin = function addMitreJoin (p, offset0, offset1, distance) {
-	  var isMitreWithinLimit = true;
-	  var intPt = null;
-	  try {
-	    intPt = HCoordinate.intersection(offset0.p0, offset0.p1, offset1.p0, offset1.p1);
-	    var mitreRatio = distance <= 0.0 ? 1.0 : intPt.distance(p) / Math.abs(distance);
-	    if (mitreRatio > this._bufParams.getMitreLimit()) { isMitreWithinLimit = false; }
-	  } catch (ex) {
-	    if (ex instanceof NotRepresentableException) {
-	      intPt = new Coordinate(0, 0);
-	      isMitreWithinLimit = false;
-	    } else { throw ex }
-	  } finally {}
-	  if (isMitreWithinLimit) {
-	    this._segList.addPt(intPt);
-	  } else {
-	    this.addLimitedMitreJoin(offset0, offset1, distance, this._bufParams.getMitreLimit());
-	  }
-	};
-	OffsetSegmentGenerator.prototype.addFilletCorner = function addFilletCorner (p, p0, p1, direction, radius) {
-	  var dx0 = p0.x - p.x;
-	  var dy0 = p0.y - p.y;
-	  var startAngle = Math.atan2(dy0, dx0);
-	  var dx1 = p1.x - p.x;
-	  var dy1 = p1.y - p.y;
-	  var endAngle = Math.atan2(dy1, dx1);
-	  if (direction === CGAlgorithms.CLOCKWISE) {
-	    if (startAngle <= endAngle) { startAngle += 2.0 * Math.PI; }
-	  } else {
-	    if (startAngle >= endAngle) { startAngle -= 2.0 * Math.PI; }
-	  }
-	  this._segList.addPt(p0);
-	  this.addFilletArc(p, startAngle, endAngle, direction, radius);
-	  this._segList.addPt(p1);
-	};
-	OffsetSegmentGenerator.prototype.addOutsideTurn = function addOutsideTurn (orientation, addStartPoint) {
-	  if (this._offset0.p1.distance(this._offset1.p0) < this._distance * OffsetSegmentGenerator.OFFSET_SEGMENT_SEPARATION_FACTOR) {
-	    this._segList.addPt(this._offset0.p1);
-	    return null
-	  }
-	  if (this._bufParams.getJoinStyle() === BufferParameters.JOIN_MITRE) {
-	    this.addMitreJoin(this._s1, this._offset0, this._offset1, this._distance);
-	  } else if (this._bufParams.getJoinStyle() === BufferParameters.JOIN_BEVEL) {
-	    this.addBevelJoin(this._offset0, this._offset1);
-	  } else {
-	    if (addStartPoint) { this._segList.addPt(this._offset0.p1); }
-	    this.addFilletCorner(this._s1, this._offset0.p1, this._offset1.p0, orientation, this._distance);
-	    this._segList.addPt(this._offset1.p0);
-	  }
-	};
-	OffsetSegmentGenerator.prototype.createSquare = function createSquare (p) {
-	  this._segList.addPt(new Coordinate(p.x + this._distance, p.y + this._distance));
-	  this._segList.addPt(new Coordinate(p.x + this._distance, p.y - this._distance));
-	  this._segList.addPt(new Coordinate(p.x - this._distance, p.y - this._distance));
-	  this._segList.addPt(new Coordinate(p.x - this._distance, p.y + this._distance));
-	  this._segList.closeRing();
-	};
-	OffsetSegmentGenerator.prototype.addSegments = function addSegments (pt, isForward) {
-	  this._segList.addPts(pt, isForward);
-	};
-	OffsetSegmentGenerator.prototype.addFirstSegment = function addFirstSegment () {
-	  this._segList.addPt(this._offset1.p0);
-	};
-	OffsetSegmentGenerator.prototype.addLastSegment = function addLastSegment () {
-	  this._segList.addPt(this._offset1.p1);
-	};
-	OffsetSegmentGenerator.prototype.initSideSegments = function initSideSegments (s1, s2, side) {
-	  this._s1 = s1;
-	  this._s2 = s2;
-	  this._side = side;
-	  this._seg1.setCoordinates(s1, s2);
-	  this.computeOffsetSegment(this._seg1, side, this._distance, this._offset1);
-	};
-	OffsetSegmentGenerator.prototype.addLimitedMitreJoin = function addLimitedMitreJoin (offset0, offset1, distance, mitreLimit) {
-	  var basePt = this._seg0.p1;
-	  var ang0 = Angle.angle(basePt, this._seg0.p0);
-	  // const ang1 = Angle.angle(basePt, this._seg1.p1)
-	  var angDiff = Angle.angleBetweenOriented(this._seg0.p0, basePt, this._seg1.p1);
-	  var angDiffHalf = angDiff / 2;
-	  var midAng = Angle.normalize(ang0 + angDiffHalf);
-	  var mitreMidAng = Angle.normalize(midAng + Math.PI);
-	  var mitreDist = mitreLimit * distance;
-	  var bevelDelta = mitreDist * Math.abs(Math.sin(angDiffHalf));
-	  var bevelHalfLen = distance - bevelDelta;
-	  var bevelMidX = basePt.x + mitreDist * Math.cos(mitreMidAng);
-	  var bevelMidY = basePt.y + mitreDist * Math.sin(mitreMidAng);
-	  var bevelMidPt = new Coordinate(bevelMidX, bevelMidY);
-	  var mitreMidLine = new LineSegment(basePt, bevelMidPt);
-	  var bevelEndLeft = mitreMidLine.pointAlongOffset(1.0, bevelHalfLen);
-	  var bevelEndRight = mitreMidLine.pointAlongOffset(1.0, -bevelHalfLen);
-	  if (this._side === Position.LEFT) {
-	    this._segList.addPt(bevelEndLeft);
-	    this._segList.addPt(bevelEndRight);
-	  } else {
-	    this._segList.addPt(bevelEndRight);
-	    this._segList.addPt(bevelEndLeft);
-	  }
-	};
-	OffsetSegmentGenerator.prototype.computeOffsetSegment = function computeOffsetSegment (seg, side, distance, offset) {
-	  var sideSign = side === Position.LEFT ? 1 : -1;
-	  var dx = seg.p1.x - seg.p0.x;
-	  var dy = seg.p1.y - seg.p0.y;
-	  var len = Math.sqrt(dx * dx + dy * dy);
-	  var ux = sideSign * distance * dx / len;
-	  var uy = sideSign * distance * dy / len;
-	  offset.p0.x = seg.p0.x - uy;
-	  offset.p0.y = seg.p0.y + ux;
-	  offset.p1.x = seg.p1.x - uy;
-	  offset.p1.y = seg.p1.y + ux;
-	};
-	OffsetSegmentGenerator.prototype.addFilletArc = function addFilletArc (p, startAngle, endAngle, direction, radius) {
-	    var this$1 = this;
-
-	  var directionFactor = direction === CGAlgorithms.CLOCKWISE ? -1 : 1;
-	  var totalAngle = Math.abs(startAngle - endAngle);
-	  var nSegs = Math.trunc(totalAngle / this._filletAngleQuantum + 0.5);
-	  if (nSegs < 1) { return null }
-	  var initAngle = 0.0;
-	  var currAngleInc = totalAngle / nSegs;
-	  var currAngle = initAngle;
-	  var pt = new Coordinate();
-	  while (currAngle < totalAngle) {
-	    var angle = startAngle + directionFactor * currAngle;
-	    pt.x = p.x + radius * Math.cos(angle);
-	    pt.y = p.y + radius * Math.sin(angle);
-	    this$1._segList.addPt(pt);
-	    currAngle += currAngleInc;
-	  }
-	};
-	OffsetSegmentGenerator.prototype.addInsideTurn = function addInsideTurn (orientation, addStartPoint) {
-	  this._li.computeIntersection(this._offset0.p0, this._offset0.p1, this._offset1.p0, this._offset1.p1);
-	  if (this._li.hasIntersection()) {
-	    this._segList.addPt(this._li.getIntersection(0));
-	  } else {
-	    this._hasNarrowConcaveAngle = true;
-	    if (this._offset0.p1.distance(this._offset1.p0) < this._distance * OffsetSegmentGenerator.INSIDE_TURN_VERTEX_SNAP_DISTANCE_FACTOR) {
-	      this._segList.addPt(this._offset0.p1);
-	    } else {
-	      this._segList.addPt(this._offset0.p1);
-	      if (this._closingSegLengthFactor > 0) {
-	        var mid0 = new Coordinate((this._closingSegLengthFactor * this._offset0.p1.x + this._s1.x) / (this._closingSegLengthFactor + 1), (this._closingSegLengthFactor * this._offset0.p1.y + this._s1.y) / (this._closingSegLengthFactor + 1));
-	        this._segList.addPt(mid0);
-	        var mid1 = new Coordinate((this._closingSegLengthFactor * this._offset1.p0.x + this._s1.x) / (this._closingSegLengthFactor + 1), (this._closingSegLengthFactor * this._offset1.p0.y + this._s1.y) / (this._closingSegLengthFactor + 1));
-	        this._segList.addPt(mid1);
-	      } else {
-	        this._segList.addPt(this._s1);
-	      }
-	      this._segList.addPt(this._offset1.p0);
-	    }
-	  }
-	};
-	OffsetSegmentGenerator.prototype.createCircle = function createCircle (p) {
-	  var pt = new Coordinate(p.x + this._distance, p.y);
-	  this._segList.addPt(pt);
-	  this.addFilletArc(p, 0.0, 2.0 * Math.PI, -1, this._distance);
-	  this._segList.closeRing();
-	};
-	OffsetSegmentGenerator.prototype.addBevelJoin = function addBevelJoin (offset0, offset1) {
-	  this._segList.addPt(offset0.p1);
-	  this._segList.addPt(offset1.p0);
-	};
-	OffsetSegmentGenerator.prototype.init = function init (distance) {
-	  this._distance = distance;
-	  this._maxCurveSegmentError = distance * (1 - Math.cos(this._filletAngleQuantum / 2.0));
-	  this._segList = new OffsetSegmentString();
-	  this._segList.setPrecisionModel(this._precisionModel);
-	  this._segList.setMinimumVertexDistance(distance * OffsetSegmentGenerator.CURVE_VERTEX_SNAP_DISTANCE_FACTOR);
-	};
-	OffsetSegmentGenerator.prototype.addCollinear = function addCollinear (addStartPoint) {
-	  this._li.computeIntersection(this._s0, this._s1, this._s1, this._s2);
-	  var numInt = this._li.getIntersectionNum();
-	  if (numInt >= 2) {
-	    if (this._bufParams.getJoinStyle() === BufferParameters.JOIN_BEVEL || this._bufParams.getJoinStyle() === BufferParameters.JOIN_MITRE) {
-	      if (addStartPoint) { this._segList.addPt(this._offset0.p1); }
-	      this._segList.addPt(this._offset1.p0);
-	    } else {
-	      this.addFilletCorner(this._s1, this._offset0.p1, this._offset1.p0, CGAlgorithms.CLOCKWISE, this._distance);
-	    }
-	  }
-	};
-	OffsetSegmentGenerator.prototype.closeRing = function closeRing () {
-	  this._segList.closeRing();
-	};
-	OffsetSegmentGenerator.prototype.hasNarrowConcaveAngle = function hasNarrowConcaveAngle () {
-	  return this._hasNarrowConcaveAngle
-	};
-	OffsetSegmentGenerator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	OffsetSegmentGenerator.prototype.getClass = function getClass () {
-	  return OffsetSegmentGenerator
-	};
-	staticAccessors$27.OFFSET_SEGMENT_SEPARATION_FACTOR.get = function () { return 1.0E-3 };
-	staticAccessors$27.INSIDE_TURN_VERTEX_SNAP_DISTANCE_FACTOR.get = function () { return 1.0E-3 };
-	staticAccessors$27.CURVE_VERTEX_SNAP_DISTANCE_FACTOR.get = function () { return 1.0E-6 };
-	staticAccessors$27.MAX_CLOSING_SEG_LEN_FACTOR.get = function () { return 80 };
-
-	Object.defineProperties( OffsetSegmentGenerator, staticAccessors$27 );
-
-	var OffsetCurveBuilder = function OffsetCurveBuilder () {
-	  this._distance = 0.0;
-	  this._precisionModel = null;
-	  this._bufParams = null;
-	  var precisionModel = arguments[0];
-	  var bufParams = arguments[1];
-	  this._precisionModel = precisionModel;
-	  this._bufParams = bufParams;
-	};
-	OffsetCurveBuilder.prototype.getOffsetCurve = function getOffsetCurve (inputPts, distance) {
-	  this._distance = distance;
-	  if (distance === 0.0) { return null }
-	  var isRightSide = distance < 0.0;
-	  var posDistance = Math.abs(distance);
-	  var segGen = this.getSegGen(posDistance);
-	  if (inputPts.length <= 1) {
-	    this.computePointCurve(inputPts[0], segGen);
-	  } else {
-	    this.computeOffsetCurve(inputPts, isRightSide, segGen);
-	  }
-	  var curvePts = segGen.getCoordinates();
-	  if (isRightSide) { CoordinateArrays.reverse(curvePts); }
-	  return curvePts
-	};
-	OffsetCurveBuilder.prototype.computeSingleSidedBufferCurve = function computeSingleSidedBufferCurve (inputPts, isRightSide, segGen) {
-	  var distTol = this.simplifyTolerance(this._distance);
-	  if (isRightSide) {
-	    segGen.addSegments(inputPts, true);
-	    var simp2 = BufferInputLineSimplifier.simplify(inputPts, -distTol);
-	    var n2 = simp2.length - 1;
-	    segGen.initSideSegments(simp2[n2], simp2[n2 - 1], Position.LEFT);
-	    segGen.addFirstSegment();
-	    for (var i = n2 - 2; i >= 0; i--) {
-	      segGen.addNextSegment(simp2[i], true);
-	    }
-	  } else {
-	    segGen.addSegments(inputPts, false);
-	    var simp1 = BufferInputLineSimplifier.simplify(inputPts, distTol);
-	    var n1 = simp1.length - 1;
-	    segGen.initSideSegments(simp1[0], simp1[1], Position.LEFT);
-	    segGen.addFirstSegment();
-	    for (var i$1 = 2; i$1 <= n1; i$1++) {
-	      segGen.addNextSegment(simp1[i$1], true);
-	    }
-	  }
-	  segGen.addLastSegment();
-	  segGen.closeRing();
-	};
-	OffsetCurveBuilder.prototype.computeRingBufferCurve = function computeRingBufferCurve (inputPts, side, segGen) {
-	  var distTol = this.simplifyTolerance(this._distance);
-	  if (side === Position.RIGHT) { distTol = -distTol; }
-	  var simp = BufferInputLineSimplifier.simplify(inputPts, distTol);
-	  var n = simp.length - 1;
-	  segGen.initSideSegments(simp[n - 1], simp[0], side);
-	  for (var i = 1; i <= n; i++) {
-	    var addStartPoint = i !== 1;
-	    segGen.addNextSegment(simp[i], addStartPoint);
-	  }
-	  segGen.closeRing();
-	};
-	OffsetCurveBuilder.prototype.computeLineBufferCurve = function computeLineBufferCurve (inputPts, segGen) {
-	  var distTol = this.simplifyTolerance(this._distance);
-	  var simp1 = BufferInputLineSimplifier.simplify(inputPts, distTol);
-	  var n1 = simp1.length - 1;
-	  segGen.initSideSegments(simp1[0], simp1[1], Position.LEFT);
-	  for (var i = 2; i <= n1; i++) {
-	    segGen.addNextSegment(simp1[i], true);
-	  }
-	  segGen.addLastSegment();
-	  segGen.addLineEndCap(simp1[n1 - 1], simp1[n1]);
-	  var simp2 = BufferInputLineSimplifier.simplify(inputPts, -distTol);
-	  var n2 = simp2.length - 1;
-	  segGen.initSideSegments(simp2[n2], simp2[n2 - 1], Position.LEFT);
-	  for (var i$1 = n2 - 2; i$1 >= 0; i$1--) {
-	    segGen.addNextSegment(simp2[i$1], true);
-	  }
-	  segGen.addLastSegment();
-	  segGen.addLineEndCap(simp2[1], simp2[0]);
-	  segGen.closeRing();
-	};
-	OffsetCurveBuilder.prototype.computePointCurve = function computePointCurve (pt, segGen) {
-	  switch (this._bufParams.getEndCapStyle()) {
-	    case BufferParameters.CAP_ROUND:
-	      segGen.createCircle(pt);
-	      break
-	    case BufferParameters.CAP_SQUARE:
-	      segGen.createSquare(pt);
-	      break
-	  }
-	};
-	OffsetCurveBuilder.prototype.getLineCurve = function getLineCurve (inputPts, distance) {
-	  this._distance = distance;
-	  if (distance < 0.0 && !this._bufParams.isSingleSided()) { return null }
-	  if (distance === 0.0) { return null }
-	  var posDistance = Math.abs(distance);
-	  var segGen = this.getSegGen(posDistance);
-	  if (inputPts.length <= 1) {
-	    this.computePointCurve(inputPts[0], segGen);
-	  } else {
-	    if (this._bufParams.isSingleSided()) {
-	      var isRightSide = distance < 0.0;
-	      this.computeSingleSidedBufferCurve(inputPts, isRightSide, segGen);
-	    } else { this.computeLineBufferCurve(inputPts, segGen); }
-	  }
-	  var lineCoord = segGen.getCoordinates();
-	  return lineCoord
-	};
-	OffsetCurveBuilder.prototype.getBufferParameters = function getBufferParameters () {
-	  return this._bufParams
-	};
-	OffsetCurveBuilder.prototype.simplifyTolerance = function simplifyTolerance (bufDistance) {
-	  return bufDistance * this._bufParams.getSimplifyFactor()
-	};
-	OffsetCurveBuilder.prototype.getRingCurve = function getRingCurve (inputPts, side, distance) {
-	  this._distance = distance;
-	  if (inputPts.length <= 2) { return this.getLineCurve(inputPts, distance) }
-	  if (distance === 0.0) {
-	    return OffsetCurveBuilder.copyCoordinates(inputPts)
-	  }
-	  var segGen = this.getSegGen(distance);
-	  this.computeRingBufferCurve(inputPts, side, segGen);
-	  return segGen.getCoordinates()
-	};
-	OffsetCurveBuilder.prototype.computeOffsetCurve = function computeOffsetCurve (inputPts, isRightSide, segGen) {
-	  var distTol = this.simplifyTolerance(this._distance);
-	  if (isRightSide) {
-	    var simp2 = BufferInputLineSimplifier.simplify(inputPts, -distTol);
-	    var n2 = simp2.length - 1;
-	    segGen.initSideSegments(simp2[n2], simp2[n2 - 1], Position.LEFT);
-	    segGen.addFirstSegment();
-	    for (var i = n2 - 2; i >= 0; i--) {
-	      segGen.addNextSegment(simp2[i], true);
-	    }
-	  } else {
-	    var simp1 = BufferInputLineSimplifier.simplify(inputPts, distTol);
-	    var n1 = simp1.length - 1;
-	    segGen.initSideSegments(simp1[0], simp1[1], Position.LEFT);
-	    segGen.addFirstSegment();
-	    for (var i$1 = 2; i$1 <= n1; i$1++) {
-	      segGen.addNextSegment(simp1[i$1], true);
-	    }
-	  }
-	  segGen.addLastSegment();
-	};
-	OffsetCurveBuilder.prototype.getSegGen = function getSegGen (distance) {
-	  return new OffsetSegmentGenerator(this._precisionModel, this._bufParams, distance)
-	};
-	OffsetCurveBuilder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	OffsetCurveBuilder.prototype.getClass = function getClass () {
-	  return OffsetCurveBuilder
-	};
-	OffsetCurveBuilder.copyCoordinates = function copyCoordinates (pts) {
-	  var copy = new Array(pts.length).fill(null);
-	  for (var i = 0; i < copy.length; i++) {
-	    copy[i] = new Coordinate(pts[i]);
-	  }
-	  return copy
-	};
-
-	var SubgraphDepthLocater = function SubgraphDepthLocater () {
-	  this._subgraphs = null;
-	  this._seg = new LineSegment();
-	  this._cga = new CGAlgorithms();
-	  var subgraphs = arguments[0];
-	  this._subgraphs = subgraphs;
-	};
-
-	var staticAccessors$30 = { DepthSegment: { configurable: true } };
-	SubgraphDepthLocater.prototype.findStabbedSegments = function findStabbedSegments () {
-	    var this$1 = this;
-
-	  if (arguments.length === 1) {
-	    var stabbingRayLeftPt = arguments[0];
-	    var stabbedSegments = new ArrayList();
-	    for (var i = this._subgraphs.iterator(); i.hasNext();) {
-	      var bsg = i.next();
-	      var env = bsg.getEnvelope();
-	      if (stabbingRayLeftPt.y < env.getMinY() || stabbingRayLeftPt.y > env.getMaxY()) { continue }
-	      this$1.findStabbedSegments(stabbingRayLeftPt, bsg.getDirectedEdges(), stabbedSegments);
-	    }
-	    return stabbedSegments
-	  } else if (arguments.length === 3) {
-	    if (hasInterface(arguments[2], List) && (arguments[0] instanceof Coordinate && arguments[1] instanceof DirectedEdge)) {
-	      var stabbingRayLeftPt$1 = arguments[0];
-	      var dirEdge = arguments[1];
-	      var stabbedSegments$1 = arguments[2];
-	      var pts = dirEdge.getEdge().getCoordinates();
-	      for (var i$1 = 0; i$1 < pts.length - 1; i$1++) {
-	        this$1._seg.p0 = pts[i$1];
-	        this$1._seg.p1 = pts[i$1 + 1];
-	        if (this$1._seg.p0.y > this$1._seg.p1.y) { this$1._seg.reverse(); }
-	        var maxx = Math.max(this$1._seg.p0.x, this$1._seg.p1.x);
-	        if (maxx < stabbingRayLeftPt$1.x) { continue }
-	        if (this$1._seg.isHorizontal()) { continue }
-	        if (stabbingRayLeftPt$1.y < this$1._seg.p0.y || stabbingRayLeftPt$1.y > this$1._seg.p1.y) { continue }
-	        if (CGAlgorithms.computeOrientation(this$1._seg.p0, this$1._seg.p1, stabbingRayLeftPt$1) === CGAlgorithms.RIGHT) { continue }
-	        var depth = dirEdge.getDepth(Position.LEFT);
-	        if (!this$1._seg.p0.equals(pts[i$1])) { depth = dirEdge.getDepth(Position.RIGHT); }
-	        var ds = new DepthSegment(this$1._seg, depth);
-	        stabbedSegments$1.add(ds);
-	      }
-	    } else if (hasInterface(arguments[2], List) && (arguments[0] instanceof Coordinate && hasInterface(arguments[1], List))) {
-	      var stabbingRayLeftPt$2 = arguments[0];
-	      var dirEdges = arguments[1];
-	      var stabbedSegments$2 = arguments[2];
-	      for (var i$2 = dirEdges.iterator(); i$2.hasNext();) {
-	        var de = i$2.next();
-	        if (!de.isForward()) { continue }
-	        this$1.findStabbedSegments(stabbingRayLeftPt$2, de, stabbedSegments$2);
-	      }
-	    }
-	  }
-	};
-	SubgraphDepthLocater.prototype.getDepth = function getDepth (p) {
-	  var stabbedSegments = this.findStabbedSegments(p);
-	  if (stabbedSegments.size() === 0) { return 0 }
-	  var ds = Collections.min(stabbedSegments);
-	  return ds._leftDepth
-	};
-	SubgraphDepthLocater.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SubgraphDepthLocater.prototype.getClass = function getClass () {
-	  return SubgraphDepthLocater
-	};
-	staticAccessors$30.DepthSegment.get = function () { return DepthSegment };
-
-	Object.defineProperties( SubgraphDepthLocater, staticAccessors$30 );
-
-	var DepthSegment = function DepthSegment () {
-	  this._upwardSeg = null;
-	  this._leftDepth = null;
-	  var seg = arguments[0];
-	  var depth = arguments[1];
-	  this._upwardSeg = new LineSegment(seg);
-	  this._leftDepth = depth;
-	};
-	DepthSegment.prototype.compareTo = function compareTo (obj) {
-	  var other = obj;
-	  if (this._upwardSeg.minX() >= other._upwardSeg.maxX()) { return 1 }
-	  if (this._upwardSeg.maxX() <= other._upwardSeg.minX()) { return -1 }
-	  var orientIndex = this._upwardSeg.orientationIndex(other._upwardSeg);
-	  if (orientIndex !== 0) { return orientIndex }
-	  orientIndex = -1 * other._upwardSeg.orientationIndex(this._upwardSeg);
-	  if (orientIndex !== 0) { return orientIndex }
-	  return this._upwardSeg.compareTo(other._upwardSeg)
-	};
-	DepthSegment.prototype.compareX = function compareX (seg0, seg1) {
-	  var compare0 = seg0.p0.compareTo(seg1.p0);
-	  if (compare0 !== 0) { return compare0 }
-	  return seg0.p1.compareTo(seg1.p1)
-	};
-	DepthSegment.prototype.toString = function toString () {
-	  return this._upwardSeg.toString()
-	};
-	DepthSegment.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable]
-	};
-	DepthSegment.prototype.getClass = function getClass () {
-	  return DepthSegment
-	};
-
-	var Triangle = function Triangle (p0, p1, p2) {
-	  this.p0 = p0 || null;
-	  this.p1 = p1 || null;
-	  this.p2 = p2 || null;
-	};
-	Triangle.prototype.area = function area () {
-	  return Triangle.area(this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.signedArea = function signedArea () {
-	  return Triangle.signedArea(this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.interpolateZ = function interpolateZ (p) {
-	  if (p === null) { throw new IllegalArgumentException('Supplied point is null.') }
-	  return Triangle.interpolateZ(p, this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.longestSideLength = function longestSideLength () {
-	  return Triangle.longestSideLength(this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.isAcute = function isAcute () {
-	  return Triangle.isAcute(this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.circumcentre = function circumcentre () {
-	  return Triangle.circumcentre(this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.area3D = function area3D () {
-	  return Triangle.area3D(this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.centroid = function centroid () {
-	  return Triangle.centroid(this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.inCentre = function inCentre () {
-	  return Triangle.inCentre(this.p0, this.p1, this.p2)
-	};
-	Triangle.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Triangle.prototype.getClass = function getClass () {
-	  return Triangle
-	};
-	Triangle.area = function area (a, b, c) {
-	  return Math.abs(((c.x - a.x) * (b.y - a.y) - (b.x - a.x) * (c.y - a.y)) / 2)
-	};
-	Triangle.signedArea = function signedArea (a, b, c) {
-	  return ((c.x - a.x) * (b.y - a.y) - (b.x - a.x) * (c.y - a.y)) / 2
-	};
-	Triangle.det = function det (m00, m01, m10, m11) {
-	  return m00 * m11 - m01 * m10
-	};
-	Triangle.interpolateZ = function interpolateZ (p, v0, v1, v2) {
-	  var x0 = v0.x;
-	  var y0 = v0.y;
-	  var a = v1.x - x0;
-	  var b = v2.x - x0;
-	  var c = v1.y - y0;
-	  var d = v2.y - y0;
-	  var det = a * d - b * c;
-	  var dx = p.x - x0;
-	  var dy = p.y - y0;
-	  var t = (d * dx - b * dy) / det;
-	  var u = (-c * dx + a * dy) / det;
-	  var z = v0.z + t * (v1.z - v0.z) + u * (v2.z - v0.z);
-	  return z
-	};
-	Triangle.longestSideLength = function longestSideLength (a, b, c) {
-	  var lenAB = a.distance(b);
-	  var lenBC = b.distance(c);
-	  var lenCA = c.distance(a);
-	  var maxLen = lenAB;
-	  if (lenBC > maxLen) { maxLen = lenBC; }
-	  if (lenCA > maxLen) { maxLen = lenCA; }
-	  return maxLen
-	};
-	Triangle.isAcute = function isAcute (a, b, c) {
-	  if (!Angle.isAcute(a, b, c)) { return false }
-	  if (!Angle.isAcute(b, c, a)) { return false }
-	  if (!Angle.isAcute(c, a, b)) { return false }
-	  return true
-	};
-	Triangle.circumcentre = function circumcentre (a, b, c) {
-	  var cx = c.x;
-	  var cy = c.y;
-	  var ax = a.x - cx;
-	  var ay = a.y - cy;
-	  var bx = b.x - cx;
-	  var by = b.y - cy;
-	  var denom = 2 * Triangle.det(ax, ay, bx, by);
-	  var numx = Triangle.det(ay, ax * ax + ay * ay, by, bx * bx + by * by);
-	  var numy = Triangle.det(ax, ax * ax + ay * ay, bx, bx * bx + by * by);
-	  var ccx = cx - numx / denom;
-	  var ccy = cy + numy / denom;
-	  return new Coordinate(ccx, ccy)
-	};
-	Triangle.perpendicularBisector = function perpendicularBisector (a, b) {
-	  var dx = b.x - a.x;
-	  var dy = b.y - a.y;
-	  var l1 = new HCoordinate(a.x + dx / 2.0, a.y + dy / 2.0, 1.0);
-	  var l2 = new HCoordinate(a.x - dy + dx / 2.0, a.y + dx + dy / 2.0, 1.0);
-	  return new HCoordinate(l1, l2)
-	};
-	Triangle.angleBisector = function angleBisector (a, b, c) {
-	  var len0 = b.distance(a);
-	  var len2 = b.distance(c);
-	  var frac = len0 / (len0 + len2);
-	  var dx = c.x - a.x;
-	  var dy = c.y - a.y;
-	  var splitPt = new Coordinate(a.x + frac * dx, a.y + frac * dy);
-	  return splitPt
-	};
-	Triangle.area3D = function area3D (a, b, c) {
-	  var ux = b.x - a.x;
-	  var uy = b.y - a.y;
-	  var uz = b.z - a.z;
-	  var vx = c.x - a.x;
-	  var vy = c.y - a.y;
-	  var vz = c.z - a.z;
-	  var crossx = uy * vz - uz * vy;
-	  var crossy = uz * vx - ux * vz;
-	  var crossz = ux * vy - uy * vx;
-	  var absSq = crossx * crossx + crossy * crossy + crossz * crossz;
-	  var area3D = Math.sqrt(absSq) / 2;
-	  return area3D
-	};
-	Triangle.centroid = function centroid (a, b, c) {
-	  var x = (a.x + b.x + c.x) / 3;
-	  var y = (a.y + b.y + c.y) / 3;
-	  return new Coordinate(x, y)
-	};
-	Triangle.inCentre = function inCentre (a, b, c) {
-	  var len0 = b.distance(c);
-	  var len1 = a.distance(c);
-	  var len2 = a.distance(b);
-	  var circum = len0 + len1 + len2;
-	  var inCentreX = (len0 * a.x + len1 * b.x + len2 * c.x) / circum;
-	  var inCentreY = (len0 * a.y + len1 * b.y + len2 * c.y) / circum;
-	  return new Coordinate(inCentreX, inCentreY)
-	};
-
-	var OffsetCurveSetBuilder = function OffsetCurveSetBuilder () {
-	  this._inputGeom = null;
-	  this._distance = null;
-	  this._curveBuilder = null;
-	  this._curveList = new ArrayList();
-	  var inputGeom = arguments[0];
-	  var distance = arguments[1];
-	  var curveBuilder = arguments[2];
-	  this._inputGeom = inputGeom;
-	  this._distance = distance;
-	  this._curveBuilder = curveBuilder;
-	};
-	OffsetCurveSetBuilder.prototype.addPoint = function addPoint (p) {
-	  if (this._distance <= 0.0) { return null }
-	  var coord = p.getCoordinates();
-	  var curve = this._curveBuilder.getLineCurve(coord, this._distance);
-	  this.addCurve(curve, Location.EXTERIOR, Location.INTERIOR);
-	};
-	OffsetCurveSetBuilder.prototype.addPolygon = function addPolygon (p) {
-	    var this$1 = this;
-
-	  var offsetDistance = this._distance;
-	  var offsetSide = Position.LEFT;
-	  if (this._distance < 0.0) {
-	    offsetDistance = -this._distance;
-	    offsetSide = Position.RIGHT;
-	  }
-	  var shell = p.getExteriorRing();
-	  var shellCoord = CoordinateArrays.removeRepeatedPoints(shell.getCoordinates());
-	  if (this._distance < 0.0 && this.isErodedCompletely(shell, this._distance)) { return null }
-	  if (this._distance <= 0.0 && shellCoord.length < 3) { return null }
-	  this.addPolygonRing(shellCoord, offsetDistance, offsetSide, Location.EXTERIOR, Location.INTERIOR);
-	  for (var i = 0; i < p.getNumInteriorRing(); i++) {
-	    var hole = p.getInteriorRingN(i);
-	    var holeCoord = CoordinateArrays.removeRepeatedPoints(hole.getCoordinates());
-	    if (this$1._distance > 0.0 && this$1.isErodedCompletely(hole, -this$1._distance)) { continue }
-	    this$1.addPolygonRing(holeCoord, offsetDistance, Position.opposite(offsetSide), Location.INTERIOR, Location.EXTERIOR);
-	  }
-	};
-	OffsetCurveSetBuilder.prototype.isTriangleErodedCompletely = function isTriangleErodedCompletely (triangleCoord, bufferDistance) {
-	  var tri = new Triangle(triangleCoord[0], triangleCoord[1], triangleCoord[2]);
-	  var inCentre = tri.inCentre();
-	  var distToCentre = CGAlgorithms.distancePointLine(inCentre, tri.p0, tri.p1);
-	  return distToCentre < Math.abs(bufferDistance)
-	};
-	OffsetCurveSetBuilder.prototype.addLineString = function addLineString (line) {
-	  if (this._distance <= 0.0 && !this._curveBuilder.getBufferParameters().isSingleSided()) { return null }
-	  var coord = CoordinateArrays.removeRepeatedPoints(line.getCoordinates());
-	  var curve = this._curveBuilder.getLineCurve(coord, this._distance);
-	  this.addCurve(curve, Location.EXTERIOR, Location.INTERIOR);
-	};
-	OffsetCurveSetBuilder.prototype.addCurve = function addCurve (coord, leftLoc, rightLoc) {
-	  if (coord === null || coord.length < 2) { return null }
-	  var e = new NodedSegmentString(coord, new Label(0, Location.BOUNDARY, leftLoc, rightLoc));
-	  this._curveList.add(e);
-	};
-	OffsetCurveSetBuilder.prototype.getCurves = function getCurves () {
-	  this.add(this._inputGeom);
-	  return this._curveList
-	};
-	OffsetCurveSetBuilder.prototype.addPolygonRing = function addPolygonRing (coord, offsetDistance, side, cwLeftLoc, cwRightLoc) {
-	  if (offsetDistance === 0.0 && coord.length < LinearRing.MINIMUM_VALID_SIZE) { return null }
-	  var leftLoc = cwLeftLoc;
-	  var rightLoc = cwRightLoc;
-	  if (coord.length >= LinearRing.MINIMUM_VALID_SIZE && CGAlgorithms.isCCW(coord)) {
-	    leftLoc = cwRightLoc;
-	    rightLoc = cwLeftLoc;
-	    side = Position.opposite(side);
-	  }
-	  var curve = this._curveBuilder.getRingCurve(coord, side, offsetDistance);
-	  this.addCurve(curve, leftLoc, rightLoc);
-	};
-	OffsetCurveSetBuilder.prototype.add = function add (g) {
-	  if (g.isEmpty()) { return null }
-	  if (g instanceof Polygon) { this.addPolygon(g); }
-	  else if (g instanceof LineString) { this.addLineString(g); }
-	  else if (g instanceof Point$1) { this.addPoint(g); }
-	  else if (g instanceof MultiPoint) { this.addCollection(g); }
-	  else if (g instanceof MultiLineString) { this.addCollection(g); }
-	  else if (g instanceof MultiPolygon) { this.addCollection(g); }
-	  else if (g instanceof GeometryCollection) { this.addCollection(g); }
-	  // else throw new UnsupportedOperationException(g.getClass().getName())
-	};
-	OffsetCurveSetBuilder.prototype.isErodedCompletely = function isErodedCompletely (ring, bufferDistance) {
-	  var ringCoord = ring.getCoordinates();
-	  // const minDiam = 0.0
-	  if (ringCoord.length < 4) { return bufferDistance < 0 }
-	  if (ringCoord.length === 4) { return this.isTriangleErodedCompletely(ringCoord, bufferDistance) }
-	  var env = ring.getEnvelopeInternal();
-	  var envMinDimension = Math.min(env.getHeight(), env.getWidth());
-	  if (bufferDistance < 0.0 && 2 * Math.abs(bufferDistance) > envMinDimension) { return true }
-	  return false
-	};
-	OffsetCurveSetBuilder.prototype.addCollection = function addCollection (gc) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < gc.getNumGeometries(); i++) {
-	    var g = gc.getGeometryN(i);
-	    this$1.add(g);
-	  }
-	};
-	OffsetCurveSetBuilder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	OffsetCurveSetBuilder.prototype.getClass = function getClass () {
-	  return OffsetCurveSetBuilder
-	};
-
-	var PointOnGeometryLocator = function PointOnGeometryLocator () {};
-
-	PointOnGeometryLocator.prototype.locate = function locate (p) {};
-	PointOnGeometryLocator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	PointOnGeometryLocator.prototype.getClass = function getClass () {
-	  return PointOnGeometryLocator
-	};
-
-	var GeometryCollectionIterator = function GeometryCollectionIterator () {
-	  this._parent = null;
-	  this._atStart = null;
-	  this._max = null;
-	  this._index = null;
-	  this._subcollectionIterator = null;
-	  var parent = arguments[0];
-	  this._parent = parent;
-	  this._atStart = true;
-	  this._index = 0;
-	  this._max = parent.getNumGeometries();
-	};
-	GeometryCollectionIterator.prototype.next = function next () {
-	  if (this._atStart) {
-	    this._atStart = false;
-	    if (GeometryCollectionIterator.isAtomic(this._parent)) { this._index++; }
-	    return this._parent
-	  }
-	  if (this._subcollectionIterator !== null) {
-	    if (this._subcollectionIterator.hasNext()) {
-	      return this._subcollectionIterator.next()
-	    } else {
-	      this._subcollectionIterator = null;
-	    }
-	  }
-	  if (this._index >= this._max) {
-	    throw new NoSuchElementException()
-	  }
-	  var obj = this._parent.getGeometryN(this._index++);
-	  if (obj instanceof GeometryCollection) {
-	    this._subcollectionIterator = new GeometryCollectionIterator(obj);
-	    return this._subcollectionIterator.next()
-	  }
-	  return obj
-	};
-	GeometryCollectionIterator.prototype.remove = function remove () {
-	  throw new Error(this.getClass().getName())
-	};
-	GeometryCollectionIterator.prototype.hasNext = function hasNext () {
-	  if (this._atStart) {
-	    return true
-	  }
-	  if (this._subcollectionIterator !== null) {
-	    if (this._subcollectionIterator.hasNext()) {
-	      return true
-	    }
-	    this._subcollectionIterator = null;
-	  }
-	  if (this._index >= this._max) {
-	    return false
-	  }
-	  return true
-	};
-	GeometryCollectionIterator.prototype.interfaces_ = function interfaces_ () {
-	  return [Iterator$1]
-	};
-	GeometryCollectionIterator.prototype.getClass = function getClass () {
-	  return GeometryCollectionIterator
-	};
-	GeometryCollectionIterator.isAtomic = function isAtomic (geom) {
-	  return !(geom instanceof GeometryCollection)
-	};
-
-	var SimplePointInAreaLocator = function SimplePointInAreaLocator () {
-	  this._geom = null;
-	  var geom = arguments[0];
-	  this._geom = geom;
-	};
-	SimplePointInAreaLocator.prototype.locate = function locate (p) {
-	  return SimplePointInAreaLocator.locate(p, this._geom)
-	};
-	SimplePointInAreaLocator.prototype.interfaces_ = function interfaces_ () {
-	  return [PointOnGeometryLocator]
-	};
-	SimplePointInAreaLocator.prototype.getClass = function getClass () {
-	  return SimplePointInAreaLocator
-	};
-	SimplePointInAreaLocator.isPointInRing = function isPointInRing (p, ring) {
-	  if (!ring.getEnvelopeInternal().intersects(p)) { return false }
-	  return CGAlgorithms.isPointInRing(p, ring.getCoordinates())
-	};
-	SimplePointInAreaLocator.containsPointInPolygon = function containsPointInPolygon (p, poly) {
-	  if (poly.isEmpty()) { return false }
-	  var shell = poly.getExteriorRing();
-	  if (!SimplePointInAreaLocator.isPointInRing(p, shell)) { return false }
-	  for (var i = 0; i < poly.getNumInteriorRing(); i++) {
-	    var hole = poly.getInteriorRingN(i);
-	    if (SimplePointInAreaLocator.isPointInRing(p, hole)) { return false }
-	  }
-	  return true
-	};
-	SimplePointInAreaLocator.containsPoint = function containsPoint (p, geom) {
-	  if (geom instanceof Polygon) {
-	    return SimplePointInAreaLocator.containsPointInPolygon(p, geom)
-	  } else if (geom instanceof GeometryCollection) {
-	    var geomi = new GeometryCollectionIterator(geom);
-	    while (geomi.hasNext()) {
-	      var g2 = geomi.next();
-	      if (g2 !== geom) { if (SimplePointInAreaLocator.containsPoint(p, g2)) { return true } }
-	    }
-	  }
-	  return false
-	};
-	SimplePointInAreaLocator.locate = function locate (p, geom) {
-	  if (geom.isEmpty()) { return Location.EXTERIOR }
-	  if (SimplePointInAreaLocator.containsPoint(p, geom)) { return Location.INTERIOR }
-	  return Location.EXTERIOR
-	};
-
-	var EdgeEndStar = function EdgeEndStar () {
-	  this._edgeMap = new TreeMap();
-	  this._edgeList = null;
-	  this._ptInAreaLocation = [Location.NONE, Location.NONE];
-	};
-	EdgeEndStar.prototype.getNextCW = function getNextCW (ee) {
-	  this.getEdges();
-	  var i = this._edgeList.indexOf(ee);
-	  var iNextCW = i - 1;
-	  if (i === 0) { iNextCW = this._edgeList.size() - 1; }
-	  return this._edgeList.get(iNextCW)
-	};
-	EdgeEndStar.prototype.propagateSideLabels = function propagateSideLabels (geomIndex) {
-	  var startLoc = Location.NONE;
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var e = it.next();
-	    var label = e.getLabel();
-	    if (label.isArea(geomIndex) && label.getLocation(geomIndex, Position.LEFT) !== Location.NONE) { startLoc = label.getLocation(geomIndex, Position.LEFT); }
-	  }
-	  if (startLoc === Location.NONE) { return null }
-	  var currLoc = startLoc;
-	  for (var it$1 = this.iterator(); it$1.hasNext();) {
-	    var e$1 = it$1.next();
-	    var label$1 = e$1.getLabel();
-	    if (label$1.getLocation(geomIndex, Position.ON) === Location.NONE) { label$1.setLocation(geomIndex, Position.ON, currLoc); }
-	    if (label$1.isArea(geomIndex)) {
-	      var leftLoc = label$1.getLocation(geomIndex, Position.LEFT);
-	      var rightLoc = label$1.getLocation(geomIndex, Position.RIGHT);
-	      if (rightLoc !== Location.NONE) {
-	        if (rightLoc !== currLoc) { throw new TopologyException('side location conflict', e$1.getCoordinate()) }
-	        if (leftLoc === Location.NONE) {
-	          Assert.shouldNeverReachHere('found single null side (at ' + e$1.getCoordinate() + ')');
-	        }
-	        currLoc = leftLoc;
-	      } else {
-	        Assert.isTrue(label$1.getLocation(geomIndex, Position.LEFT) === Location.NONE, 'found single null side');
-	        label$1.setLocation(geomIndex, Position.RIGHT, currLoc);
-	        label$1.setLocation(geomIndex, Position.LEFT, currLoc);
-	      }
-	    }
-	  }
-	};
-	EdgeEndStar.prototype.getCoordinate = function getCoordinate () {
-	  var it = this.iterator();
-	  if (!it.hasNext()) { return null }
-	  var e = it.next();
-	  return e.getCoordinate()
-	};
-	EdgeEndStar.prototype.print = function print (out) {
-	  System.out.println('EdgeEndStar:   ' + this.getCoordinate());
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var e = it.next();
-	    e.print(out);
-	  }
-	};
-	EdgeEndStar.prototype.isAreaLabelsConsistent = function isAreaLabelsConsistent (geomGraph) {
-	  this.computeEdgeEndLabels(geomGraph.getBoundaryNodeRule());
-	  return this.checkAreaLabelsConsistent(0)
-	};
-	EdgeEndStar.prototype.checkAreaLabelsConsistent = function checkAreaLabelsConsistent (geomIndex) {
-	  var edges = this.getEdges();
-	  if (edges.size() <= 0) { return true }
-	  var lastEdgeIndex = edges.size() - 1;
-	  var startLabel = edges.get(lastEdgeIndex).getLabel();
-	  var startLoc = startLabel.getLocation(geomIndex, Position.LEFT);
-	  Assert.isTrue(startLoc !== Location.NONE, 'Found unlabelled area edge');
-	  var currLoc = startLoc;
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var e = it.next();
-	    var label = e.getLabel();
-	    Assert.isTrue(label.isArea(geomIndex), 'Found non-area edge');
-	    var leftLoc = label.getLocation(geomIndex, Position.LEFT);
-	    var rightLoc = label.getLocation(geomIndex, Position.RIGHT);
-	    if (leftLoc === rightLoc) {
-	      return false
-	    }
-	    if (rightLoc !== currLoc) {
-	      return false
-	    }
-	    currLoc = leftLoc;
-	  }
-	  return true
-	};
-	EdgeEndStar.prototype.findIndex = function findIndex (eSearch) {
-	    var this$1 = this;
-
-	  this.iterator();
-	  for (var i = 0; i < this._edgeList.size(); i++) {
-	    var e = this$1._edgeList.get(i);
-	    if (e === eSearch) { return i }
-	  }
-	  return -1
-	};
-	EdgeEndStar.prototype.iterator = function iterator () {
-	  return this.getEdges().iterator()
-	};
-	EdgeEndStar.prototype.getEdges = function getEdges () {
-	  if (this._edgeList === null) {
-	    this._edgeList = new ArrayList(this._edgeMap.values());
-	  }
-	  return this._edgeList
-	};
-	EdgeEndStar.prototype.getLocation = function getLocation (geomIndex, p, geom) {
-	  if (this._ptInAreaLocation[geomIndex] === Location.NONE) {
-	    this._ptInAreaLocation[geomIndex] = SimplePointInAreaLocator.locate(p, geom[geomIndex].getGeometry());
-	  }
-	  return this._ptInAreaLocation[geomIndex]
-	};
-	EdgeEndStar.prototype.toString = function toString () {
-	  var buf = new StringBuffer();
-	  buf.append('EdgeEndStar:   ' + this.getCoordinate());
-	  buf.append('\n');
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var e = it.next();
-	    buf.append(e);
-	    buf.append('\n');
-	  }
-	  return buf.toString()
-	};
-	EdgeEndStar.prototype.computeEdgeEndLabels = function computeEdgeEndLabels (boundaryNodeRule) {
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var ee = it.next();
-	    ee.computeLabel(boundaryNodeRule);
-	  }
-	};
-	EdgeEndStar.prototype.computeLabelling = function computeLabelling (geomGraph) {
-	    var this$1 = this;
-
-	  this.computeEdgeEndLabels(geomGraph[0].getBoundaryNodeRule());
-	  this.propagateSideLabels(0);
-	  this.propagateSideLabels(1);
-	  var hasDimensionalCollapseEdge = [false, false];
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var e = it.next();
-	    var label = e.getLabel();
-	    for (var geomi = 0; geomi < 2; geomi++) {
-	      if (label.isLine(geomi) && label.getLocation(geomi) === Location.BOUNDARY) { hasDimensionalCollapseEdge[geomi] = true; }
-	    }
-	  }
-	  for (var it$1 = this.iterator(); it$1.hasNext();) {
-	    var e$1 = it$1.next();
-	    var label$1 = e$1.getLabel();
-	    for (var geomi$1 = 0; geomi$1 < 2; geomi$1++) {
-	      if (label$1.isAnyNull(geomi$1)) {
-	        var loc = Location.NONE;
-	        if (hasDimensionalCollapseEdge[geomi$1]) {
-	          loc = Location.EXTERIOR;
-	        } else {
-	          var p = e$1.getCoordinate();
-	          loc = this$1.getLocation(geomi$1, p, geomGraph);
-	        }
-	        label$1.setAllLocationsIfNull(geomi$1, loc);
-	      }
-	    }
-	  }
-	};
-	EdgeEndStar.prototype.getDegree = function getDegree () {
-	  return this._edgeMap.size()
-	};
-	EdgeEndStar.prototype.insertEdgeEnd = function insertEdgeEnd (e, obj) {
-	  this._edgeMap.put(e, obj);
-	  this._edgeList = null;
-	};
-	EdgeEndStar.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	EdgeEndStar.prototype.getClass = function getClass () {
-	  return EdgeEndStar
-	};
-
-	var DirectedEdgeStar = (function (EdgeEndStar$$1) {
-	  function DirectedEdgeStar () {
-	    EdgeEndStar$$1.call(this);
-	    this._resultAreaEdgeList = null;
-	    this._label = null;
-	    this._SCANNING_FOR_INCOMING = 1;
-	    this._LINKING_TO_OUTGOING = 2;
-	  }
-
-	  if ( EdgeEndStar$$1 ) DirectedEdgeStar.__proto__ = EdgeEndStar$$1;
-	  DirectedEdgeStar.prototype = Object.create( EdgeEndStar$$1 && EdgeEndStar$$1.prototype );
-	  DirectedEdgeStar.prototype.constructor = DirectedEdgeStar;
-	  DirectedEdgeStar.prototype.linkResultDirectedEdges = function linkResultDirectedEdges () {
-	    var this$1 = this;
-
-	    this.getResultAreaEdges();
-	    var firstOut = null;
-	    var incoming = null;
-	    var state = this._SCANNING_FOR_INCOMING;
-	    for (var i = 0; i < this._resultAreaEdgeList.size(); i++) {
-	      var nextOut = this$1._resultAreaEdgeList.get(i);
-	      var nextIn = nextOut.getSym();
-	      if (!nextOut.getLabel().isArea()) { continue }
-	      if (firstOut === null && nextOut.isInResult()) { firstOut = nextOut; }
-	      switch (state) {
-	        case this$1._SCANNING_FOR_INCOMING:
-	          if (!nextIn.isInResult()) { continue }
-	          incoming = nextIn;
-	          state = this$1._LINKING_TO_OUTGOING;
-	          break
-	        case this$1._LINKING_TO_OUTGOING:
-	          if (!nextOut.isInResult()) { continue }
-	          incoming.setNext(nextOut);
-	          state = this$1._SCANNING_FOR_INCOMING;
-	          break
-	      }
-	    }
-	    if (state === this._LINKING_TO_OUTGOING) {
-	      if (firstOut === null) { throw new TopologyException('no outgoing dirEdge found', this.getCoordinate()) }
-	      Assert.isTrue(firstOut.isInResult(), 'unable to link last incoming dirEdge');
-	      incoming.setNext(firstOut);
-	    }
-	  };
-	  DirectedEdgeStar.prototype.insert = function insert (ee) {
-	    var de = ee;
-	    this.insertEdgeEnd(de, de);
-	  };
-	  DirectedEdgeStar.prototype.getRightmostEdge = function getRightmostEdge () {
-	    var edges = this.getEdges();
-	    var size = edges.size();
-	    if (size < 1) { return null }
-	    var de0 = edges.get(0);
-	    if (size === 1) { return de0 }
-	    var deLast = edges.get(size - 1);
-	    var quad0 = de0.getQuadrant();
-	    var quad1 = deLast.getQuadrant();
-	    if (Quadrant.isNorthern(quad0) && Quadrant.isNorthern(quad1)) { return de0; } else if (!Quadrant.isNorthern(quad0) && !Quadrant.isNorthern(quad1)) { return deLast; } else {
-	      // const nonHorizontalEdge = null
-	      if (de0.getDy() !== 0) { return de0; } else if (deLast.getDy() !== 0) { return deLast }
-	    }
-	    Assert.shouldNeverReachHere('found two horizontal edges incident on node');
-	    return null
-	  };
-	  DirectedEdgeStar.prototype.print = function print (out) {
-	    System.out.println('DirectedEdgeStar: ' + this.getCoordinate());
-	    for (var it = this.iterator(); it.hasNext();) {
-	      var de = it.next();
-	      out.print('out ');
-	      de.print(out);
-	      out.println();
-	      out.print('in ');
-	      de.getSym().print(out);
-	      out.println();
-	    }
-	  };
-	  DirectedEdgeStar.prototype.getResultAreaEdges = function getResultAreaEdges () {
-	    var this$1 = this;
-
-	    if (this._resultAreaEdgeList !== null) { return this._resultAreaEdgeList }
-	    this._resultAreaEdgeList = new ArrayList();
-	    for (var it = this.iterator(); it.hasNext();) {
-	      var de = it.next();
-	      if (de.isInResult() || de.getSym().isInResult()) { this$1._resultAreaEdgeList.add(de); }
-	    }
-	    return this._resultAreaEdgeList
-	  };
-	  DirectedEdgeStar.prototype.updateLabelling = function updateLabelling (nodeLabel) {
-	    for (var it = this.iterator(); it.hasNext();) {
-	      var de = it.next();
-	      var label = de.getLabel();
-	      label.setAllLocationsIfNull(0, nodeLabel.getLocation(0));
-	      label.setAllLocationsIfNull(1, nodeLabel.getLocation(1));
-	    }
-	  };
-	  DirectedEdgeStar.prototype.linkAllDirectedEdges = function linkAllDirectedEdges () {
-	    var this$1 = this;
-
-	    this.getEdges();
-	    var prevOut = null;
-	    var firstIn = null;
-	    for (var i = this._edgeList.size() - 1; i >= 0; i--) {
-	      var nextOut = this$1._edgeList.get(i);
-	      var nextIn = nextOut.getSym();
-	      if (firstIn === null) { firstIn = nextIn; }
-	      if (prevOut !== null) { nextIn.setNext(prevOut); }
-	      prevOut = nextOut;
-	    }
-	    firstIn.setNext(prevOut);
-	  };
-	  DirectedEdgeStar.prototype.computeDepths = function computeDepths () {
-	    var this$1 = this;
-
-	    if (arguments.length === 1) {
-	      var de = arguments[0];
-	      var edgeIndex = this.findIndex(de);
-	      // const label = de.getLabel()
-	      var startDepth = de.getDepth(Position.LEFT);
-	      var targetLastDepth = de.getDepth(Position.RIGHT);
-	      var nextDepth = this.computeDepths(edgeIndex + 1, this._edgeList.size(), startDepth);
-	      var lastDepth = this.computeDepths(0, edgeIndex, nextDepth);
-	      if (lastDepth !== targetLastDepth) { throw new TopologyException('depth mismatch at ' + de.getCoordinate()) }
-	    } else if (arguments.length === 3) {
-	      var startIndex = arguments[0];
-	      var endIndex = arguments[1];
-	      var startDepth$1 = arguments[2];
-	      var currDepth = startDepth$1;
-	      for (var i = startIndex; i < endIndex; i++) {
-	        var nextDe = this$1._edgeList.get(i);
-	        // const label = nextDe.getLabel()
-	        nextDe.setEdgeDepths(Position.RIGHT, currDepth);
-	        currDepth = nextDe.getDepth(Position.LEFT);
-	      }
-	      return currDepth
-	    }
-	  };
-	  DirectedEdgeStar.prototype.mergeSymLabels = function mergeSymLabels () {
-	    for (var it = this.iterator(); it.hasNext();) {
-	      var de = it.next();
-	      var label = de.getLabel();
-	      label.merge(de.getSym().getLabel());
-	    }
-	  };
-	  DirectedEdgeStar.prototype.linkMinimalDirectedEdges = function linkMinimalDirectedEdges (er) {
-	    var this$1 = this;
-
-	    var firstOut = null;
-	    var incoming = null;
-	    var state = this._SCANNING_FOR_INCOMING;
-	    for (var i = this._resultAreaEdgeList.size() - 1; i >= 0; i--) {
-	      var nextOut = this$1._resultAreaEdgeList.get(i);
-	      var nextIn = nextOut.getSym();
-	      if (firstOut === null && nextOut.getEdgeRing() === er) { firstOut = nextOut; }
-	      switch (state) {
-	        case this$1._SCANNING_FOR_INCOMING:
-	          if (nextIn.getEdgeRing() !== er) { continue }
-	          incoming = nextIn;
-	          state = this$1._LINKING_TO_OUTGOING;
-	          break
-	        case this$1._LINKING_TO_OUTGOING:
-	          if (nextOut.getEdgeRing() !== er) { continue }
-	          incoming.setNextMin(nextOut);
-	          state = this$1._SCANNING_FOR_INCOMING;
-	          break
-	      }
-	    }
-	    if (state === this._LINKING_TO_OUTGOING) {
-	      Assert.isTrue(firstOut !== null, 'found null for first outgoing dirEdge');
-	      Assert.isTrue(firstOut.getEdgeRing() === er, 'unable to link last incoming dirEdge');
-	      incoming.setNextMin(firstOut);
-	    }
-	  };
-	  DirectedEdgeStar.prototype.getOutgoingDegree = function getOutgoingDegree () {
-	    if (arguments.length === 0) {
-	      var degree = 0;
-	      for (var it = this.iterator(); it.hasNext();) {
-	        var de = it.next();
-	        if (de.isInResult()) { degree++; }
-	      }
-	      return degree
-	    } else if (arguments.length === 1) {
-	      var er = arguments[0];
-	      var degree$1 = 0;
-	      for (var it$1 = this.iterator(); it$1.hasNext();) {
-	        var de$1 = it$1.next();
-	        if (de$1.getEdgeRing() === er) { degree$1++; }
-	      }
-	      return degree$1
-	    }
-	  };
-	  DirectedEdgeStar.prototype.getLabel = function getLabel () {
-	    return this._label
-	  };
-	  DirectedEdgeStar.prototype.findCoveredLineEdges = function findCoveredLineEdges () {
-	    var startLoc = Location.NONE;
-	    for (var it = this.iterator(); it.hasNext();) {
-	      var nextOut = it.next();
-	      var nextIn = nextOut.getSym();
-	      if (!nextOut.isLineEdge()) {
-	        if (nextOut.isInResult()) {
-	          startLoc = Location.INTERIOR;
-	          break
-	        }
-	        if (nextIn.isInResult()) {
-	          startLoc = Location.EXTERIOR;
-	          break
-	        }
-	      }
-	    }
-	    if (startLoc === Location.NONE) { return null }
-	    var currLoc = startLoc;
-	    for (var it$1 = this.iterator(); it$1.hasNext();) {
-	      var nextOut$1 = it$1.next();
-	      var nextIn$1 = nextOut$1.getSym();
-	      if (nextOut$1.isLineEdge()) {
-	        nextOut$1.getEdge().setCovered(currLoc === Location.INTERIOR);
-	      } else {
-	        if (nextOut$1.isInResult()) { currLoc = Location.EXTERIOR; }
-	        if (nextIn$1.isInResult()) { currLoc = Location.INTERIOR; }
-	      }
-	    }
-	  };
-	  DirectedEdgeStar.prototype.computeLabelling = function computeLabelling (geom) {
-	    var this$1 = this;
-
-	    EdgeEndStar$$1.prototype.computeLabelling.call(this, geom);
-	    this._label = new Label(Location.NONE);
-	    for (var it = this.iterator(); it.hasNext();) {
-	      var ee = it.next();
-	      var e = ee.getEdge();
-	      var eLabel = e.getLabel();
-	      for (var i = 0; i < 2; i++) {
-	        var eLoc = eLabel.getLocation(i);
-	        if (eLoc === Location.INTERIOR || eLoc === Location.BOUNDARY) { this$1._label.setLocation(i, Location.INTERIOR); }
-	      }
-	    }
-	  };
-	  DirectedEdgeStar.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  DirectedEdgeStar.prototype.getClass = function getClass () {
-	    return DirectedEdgeStar
-	  };
-
-	  return DirectedEdgeStar;
-	}(EdgeEndStar));
-
-	var OverlayNodeFactory = (function (NodeFactory$$1) {
-	  function OverlayNodeFactory () {
-	    NodeFactory$$1.apply(this, arguments);
-	  }
-
-	  if ( NodeFactory$$1 ) OverlayNodeFactory.__proto__ = NodeFactory$$1;
-	  OverlayNodeFactory.prototype = Object.create( NodeFactory$$1 && NodeFactory$$1.prototype );
-	  OverlayNodeFactory.prototype.constructor = OverlayNodeFactory;
-
-	  OverlayNodeFactory.prototype.createNode = function createNode (coord) {
-	    return new Node$1(coord, new DirectedEdgeStar())
-	  };
-	  OverlayNodeFactory.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  OverlayNodeFactory.prototype.getClass = function getClass () {
-	    return OverlayNodeFactory
-	  };
-
-	  return OverlayNodeFactory;
-	}(NodeFactory));
-
-	var OrientedCoordinateArray = function OrientedCoordinateArray () {
-	  this._pts = null;
-	  this._orientation = null;
-	  var pts = arguments[0];
-	  this._pts = pts;
-	  this._orientation = OrientedCoordinateArray.orientation(pts);
-	};
-	OrientedCoordinateArray.prototype.compareTo = function compareTo (o1) {
-	  var oca = o1;
-	  var comp = OrientedCoordinateArray.compareOriented(this._pts, this._orientation, oca._pts, oca._orientation);
-	  return comp
-	};
-	OrientedCoordinateArray.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable]
-	};
-	OrientedCoordinateArray.prototype.getClass = function getClass () {
-	  return OrientedCoordinateArray
-	};
-	OrientedCoordinateArray.orientation = function orientation (pts) {
-	  return CoordinateArrays.increasingDirection(pts) === 1
-	};
-	OrientedCoordinateArray.compareOriented = function compareOriented (pts1, orientation1, pts2, orientation2) {
-	  var dir1 = orientation1 ? 1 : -1;
-	  var dir2 = orientation2 ? 1 : -1;
-	  var limit1 = orientation1 ? pts1.length : -1;
-	  var limit2 = orientation2 ? pts2.length : -1;
-	  var i1 = orientation1 ? 0 : pts1.length - 1;
-	  var i2 = orientation2 ? 0 : pts2.length - 1;
-	  // const comp = 0
-	  while (true) {
-	    var compPt = pts1[i1].compareTo(pts2[i2]);
-	    if (compPt !== 0) { return compPt }
-	    i1 += dir1;
-	    i2 += dir2;
-	    var done1 = i1 === limit1;
-	    var done2 = i2 === limit2;
-	    if (done1 && !done2) { return -1 }
-	    if (!done1 && done2) { return 1 }
-	    if (done1 && done2) { return 0 }
-	  }
-	};
-
-	var EdgeList = function EdgeList () {
-	  this._edges = new ArrayList();
-	  this._ocaMap = new TreeMap();
-	};
-	EdgeList.prototype.print = function print (out) {
-	    var this$1 = this;
-
-	  out.print('MULTILINESTRING ( ');
-	  for (var j = 0; j < this._edges.size(); j++) {
-	    var e = this$1._edges.get(j);
-	    if (j > 0) { out.print(','); }
-	    out.print('(');
-	    var pts = e.getCoordinates();
-	    for (var i = 0; i < pts.length; i++) {
-	      if (i > 0) { out.print(','); }
-	      out.print(pts[i].x + ' ' + pts[i].y);
-	    }
-	    out.println(')');
-	  }
-	  out.print(')  ');
-	};
-	EdgeList.prototype.addAll = function addAll (edgeColl) {
-	    var this$1 = this;
-
-	  for (var i = edgeColl.iterator(); i.hasNext();) {
-	    this$1.add(i.next());
-	  }
-	};
-	EdgeList.prototype.findEdgeIndex = function findEdgeIndex (e) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this._edges.size(); i++) {
-	    if (this$1._edges.get(i).equals(e)) { return i }
-	  }
-	  return -1
-	};
-	EdgeList.prototype.iterator = function iterator () {
-	  return this._edges.iterator()
-	};
-	EdgeList.prototype.getEdges = function getEdges () {
-	  return this._edges
-	};
-	EdgeList.prototype.get = function get (i) {
-	  return this._edges.get(i)
-	};
-	EdgeList.prototype.findEqualEdge = function findEqualEdge (e) {
-	  var oca = new OrientedCoordinateArray(e.getCoordinates());
-	  var matchEdge = this._ocaMap.get(oca);
-	  return matchEdge
-	};
-	EdgeList.prototype.add = function add (e) {
-	  this._edges.add(e);
-	  var oca = new OrientedCoordinateArray(e.getCoordinates());
-	  this._ocaMap.put(oca, e);
-	};
-	EdgeList.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	EdgeList.prototype.getClass = function getClass () {
-	  return EdgeList
-	};
-
-	var SegmentIntersector = function SegmentIntersector () {};
-
-	SegmentIntersector.prototype.processIntersections = function processIntersections (e0, segIndex0, e1, segIndex1) {};
-	SegmentIntersector.prototype.isDone = function isDone () {};
-	SegmentIntersector.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SegmentIntersector.prototype.getClass = function getClass () {
-	  return SegmentIntersector
-	};
-
-	var IntersectionAdder = function IntersectionAdder () {
-	  this._hasIntersection = false;
-	  this._hasProper = false;
-	  this._hasProperInterior = false;
-	  this._hasInterior = false;
-	  this._properIntersectionPoint = null;
-	  this._li = null;
-	  this._isSelfIntersection = null;
-	  this.numIntersections = 0;
-	  this.numInteriorIntersections = 0;
-	  this.numProperIntersections = 0;
-	  this.numTests = 0;
-	  var li = arguments[0];
-	  this._li = li;
-	};
-	IntersectionAdder.prototype.isTrivialIntersection = function isTrivialIntersection (e0, segIndex0, e1, segIndex1) {
-	  if (e0 === e1) {
-	    if (this._li.getIntersectionNum() === 1) {
-	      if (IntersectionAdder.isAdjacentSegments(segIndex0, segIndex1)) { return true }
-	      if (e0.isClosed()) {
-	        var maxSegIndex = e0.size() - 1;
-	        if ((segIndex0 === 0 && segIndex1 === maxSegIndex) ||
-	            (segIndex1 === 0 && segIndex0 === maxSegIndex)) {
-	          return true
-	        }
-	      }
-	    }
-	  }
-	  return false
-	};
-	IntersectionAdder.prototype.getProperIntersectionPoint = function getProperIntersectionPoint () {
-	  return this._properIntersectionPoint
-	};
-	IntersectionAdder.prototype.hasProperInteriorIntersection = function hasProperInteriorIntersection () {
-	  return this._hasProperInterior
-	};
-	IntersectionAdder.prototype.getLineIntersector = function getLineIntersector () {
-	  return this._li
-	};
-	IntersectionAdder.prototype.hasProperIntersection = function hasProperIntersection () {
-	  return this._hasProper
-	};
-	IntersectionAdder.prototype.processIntersections = function processIntersections (e0, segIndex0, e1, segIndex1) {
-	  if (e0 === e1 && segIndex0 === segIndex1) { return null }
-	  this.numTests++;
-	  var p00 = e0.getCoordinates()[segIndex0];
-	  var p01 = e0.getCoordinates()[segIndex0 + 1];
-	  var p10 = e1.getCoordinates()[segIndex1];
-	  var p11 = e1.getCoordinates()[segIndex1 + 1];
-	  this._li.computeIntersection(p00, p01, p10, p11);
-	  if (this._li.hasIntersection()) {
-	    this.numIntersections++;
-	    if (this._li.isInteriorIntersection()) {
-	      this.numInteriorIntersections++;
-	      this._hasInterior = true;
-	    }
-	    if (!this.isTrivialIntersection(e0, segIndex0, e1, segIndex1)) {
-	      this._hasIntersection = true;
-	      e0.addIntersections(this._li, segIndex0, 0);
-	      e1.addIntersections(this._li, segIndex1, 1);
-	      if (this._li.isProper()) {
-	        this.numProperIntersections++;
-	        this._hasProper = true;
-	        this._hasProperInterior = true;
-	      }
-	    }
-	  }
-	};
-	IntersectionAdder.prototype.hasIntersection = function hasIntersection () {
-	  return this._hasIntersection
-	};
-	IntersectionAdder.prototype.isDone = function isDone () {
-	  return false
-	};
-	IntersectionAdder.prototype.hasInteriorIntersection = function hasInteriorIntersection () {
-	  return this._hasInterior
-	};
-	IntersectionAdder.prototype.interfaces_ = function interfaces_ () {
-	  return [SegmentIntersector]
-	};
-	IntersectionAdder.prototype.getClass = function getClass () {
-	  return IntersectionAdder
-	};
-	IntersectionAdder.isAdjacentSegments = function isAdjacentSegments (i1, i2) {
-	  return Math.abs(i1 - i2) === 1
-	};
-
-	var EdgeIntersection = function EdgeIntersection () {
-	  this.coord = null;
-	  this.segmentIndex = null;
-	  this.dist = null;
-	  var coord = arguments[0];
-	  var segmentIndex = arguments[1];
-	  var dist = arguments[2];
-	  this.coord = new Coordinate(coord);
-	  this.segmentIndex = segmentIndex;
-	  this.dist = dist;
-	};
-	EdgeIntersection.prototype.getSegmentIndex = function getSegmentIndex () {
-	  return this.segmentIndex
-	};
-	EdgeIntersection.prototype.getCoordinate = function getCoordinate () {
-	  return this.coord
-	};
-	EdgeIntersection.prototype.print = function print (out) {
-	  out.print(this.coord);
-	  out.print(' seg # = ' + this.segmentIndex);
-	  out.println(' dist = ' + this.dist);
-	};
-	EdgeIntersection.prototype.compareTo = function compareTo (obj) {
-	  var other = obj;
-	  return this.compare(other.segmentIndex, other.dist)
-	};
-	EdgeIntersection.prototype.isEndPoint = function isEndPoint (maxSegmentIndex) {
-	  if (this.segmentIndex === 0 && this.dist === 0.0) { return true }
-	  if (this.segmentIndex === maxSegmentIndex) { return true }
-	  return false
-	};
-	EdgeIntersection.prototype.toString = function toString () {
-	  return this.coord + ' seg # = ' + this.segmentIndex + ' dist = ' + this.dist
-	};
-	EdgeIntersection.prototype.getDistance = function getDistance () {
-	  return this.dist
-	};
-	EdgeIntersection.prototype.compare = function compare (segmentIndex, dist) {
-	  if (this.segmentIndex < segmentIndex) { return -1 }
-	  if (this.segmentIndex > segmentIndex) { return 1 }
-	  if (this.dist < dist) { return -1 }
-	  if (this.dist > dist) { return 1 }
-	  return 0
-	};
-	EdgeIntersection.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable]
-	};
-	EdgeIntersection.prototype.getClass = function getClass () {
-	  return EdgeIntersection
-	};
-
-	var EdgeIntersectionList = function EdgeIntersectionList () {
-	  this._nodeMap = new TreeMap();
-	  this.edge = null;
-	  var edge = arguments[0];
-	  this.edge = edge;
-	};
-	EdgeIntersectionList.prototype.print = function print (out) {
-	  out.println('Intersections:');
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var ei = it.next();
-	    ei.print(out);
-	  }
-	};
-	EdgeIntersectionList.prototype.iterator = function iterator () {
-	  return this._nodeMap.values().iterator()
-	};
-	EdgeIntersectionList.prototype.addSplitEdges = function addSplitEdges (edgeList) {
-	    var this$1 = this;
-
-	  this.addEndpoints();
-	  var it = this.iterator();
-	  var eiPrev = it.next();
-	  while (it.hasNext()) {
-	    var ei = it.next();
-	    var newEdge = this$1.createSplitEdge(eiPrev, ei);
-	    edgeList.add(newEdge);
-	    eiPrev = ei;
-	  }
-	};
-	EdgeIntersectionList.prototype.addEndpoints = function addEndpoints () {
-	  var maxSegIndex = this.edge.pts.length - 1;
-	  this.add(this.edge.pts[0], 0, 0.0);
-	  this.add(this.edge.pts[maxSegIndex], maxSegIndex, 0.0);
-	};
-	EdgeIntersectionList.prototype.createSplitEdge = function createSplitEdge (ei0, ei1) {
-	    var this$1 = this;
-
-	  var npts = ei1.segmentIndex - ei0.segmentIndex + 2;
-	  var lastSegStartPt = this.edge.pts[ei1.segmentIndex];
-	  var useIntPt1 = ei1.dist > 0.0 || !ei1.coord.equals2D(lastSegStartPt);
-	  if (!useIntPt1) {
-	    npts--;
-	  }
-	  var pts = new Array(npts).fill(null);
-	  var ipt = 0;
-	  pts[ipt++] = new Coordinate(ei0.coord);
-	  for (var i = ei0.segmentIndex + 1; i <= ei1.segmentIndex; i++) {
-	    pts[ipt++] = this$1.edge.pts[i];
-	  }
-	  if (useIntPt1) { pts[ipt] = ei1.coord; }
-	  return new Edge(pts, new Label(this.edge._label))
-	};
-	EdgeIntersectionList.prototype.add = function add (intPt, segmentIndex, dist) {
-	  var eiNew = new EdgeIntersection(intPt, segmentIndex, dist);
-	  var ei = this._nodeMap.get(eiNew);
-	  if (ei !== null) {
-	    return ei
-	  }
-	  this._nodeMap.put(eiNew, eiNew);
-	  return eiNew
-	};
-	EdgeIntersectionList.prototype.isIntersection = function isIntersection (pt) {
-	  for (var it = this.iterator(); it.hasNext();) {
-	    var ei = it.next();
-	    if (ei.coord.equals(pt)) { return true }
-	  }
-	  return false
-	};
-	EdgeIntersectionList.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	EdgeIntersectionList.prototype.getClass = function getClass () {
-	  return EdgeIntersectionList
-	};
-
-	var MonotoneChainIndexer = function MonotoneChainIndexer () {};
-
-	MonotoneChainIndexer.prototype.getChainStartIndices = function getChainStartIndices (pts) {
-	    var this$1 = this;
-
-	  var start = 0;
-	  var startIndexList = new ArrayList();
-	  startIndexList.add(new Integer(start));
-	  do {
-	    var last = this$1.findChainEnd(pts, start);
-	    startIndexList.add(new Integer(last));
-	    start = last;
-	  } while (start < pts.length - 1)
-	  var startIndex = MonotoneChainIndexer.toIntArray(startIndexList);
-	  return startIndex
-	};
-	MonotoneChainIndexer.prototype.findChainEnd = function findChainEnd (pts, start) {
-	  var chainQuad = Quadrant.quadrant(pts[start], pts[start + 1]);
-	  var last = start + 1;
-	  while (last < pts.length) {
-	    var quad = Quadrant.quadrant(pts[last - 1], pts[last]);
-	    if (quad !== chainQuad) { break }
-	    last++;
-	  }
-	  return last - 1
-	};
-	MonotoneChainIndexer.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MonotoneChainIndexer.prototype.getClass = function getClass () {
-	  return MonotoneChainIndexer
-	};
-	MonotoneChainIndexer.toIntArray = function toIntArray (list) {
-	  var array = new Array(list.size()).fill(null);
-	  for (var i = 0; i < array.length; i++) {
-	    array[i] = list.get(i).intValue();
-	  }
-	  return array
-	};
-
-	var MonotoneChainEdge = function MonotoneChainEdge () {
-	  this.e = null;
-	  this.pts = null;
-	  this.startIndex = null;
-	  this.env1 = new Envelope();
-	  this.env2 = new Envelope();
-	  var e = arguments[0];
-	  this.e = e;
-	  this.pts = e.getCoordinates();
-	  var mcb = new MonotoneChainIndexer();
-	  this.startIndex = mcb.getChainStartIndices(this.pts);
-	};
-	MonotoneChainEdge.prototype.getCoordinates = function getCoordinates () {
-	  return this.pts
-	};
-	MonotoneChainEdge.prototype.getMaxX = function getMaxX (chainIndex) {
-	  var x1 = this.pts[this.startIndex[chainIndex]].x;
-	  var x2 = this.pts[this.startIndex[chainIndex + 1]].x;
-	  return x1 > x2 ? x1 : x2
-	};
-	MonotoneChainEdge.prototype.getMinX = function getMinX (chainIndex) {
-	  var x1 = this.pts[this.startIndex[chainIndex]].x;
-	  var x2 = this.pts[this.startIndex[chainIndex + 1]].x;
-	  return x1 < x2 ? x1 : x2
-	};
-	MonotoneChainEdge.prototype.computeIntersectsForChain = function computeIntersectsForChain () {
-	  if (arguments.length === 4) {
-	    var chainIndex0 = arguments[0];
-	    var mce = arguments[1];
-	    var chainIndex1 = arguments[2];
-	    var si = arguments[3];
-	    this.computeIntersectsForChain(this.startIndex[chainIndex0], this.startIndex[chainIndex0 + 1], mce, mce.startIndex[chainIndex1], mce.startIndex[chainIndex1 + 1], si);
-	  } else if (arguments.length === 6) {
-	    var start0 = arguments[0];
-	    var end0 = arguments[1];
-	    var mce$1 = arguments[2];
-	    var start1 = arguments[3];
-	    var end1 = arguments[4];
-	    var ei = arguments[5];
-	    var p00 = this.pts[start0];
-	    var p01 = this.pts[end0];
-	    var p10 = mce$1.pts[start1];
-	    var p11 = mce$1.pts[end1];
-	    if (end0 - start0 === 1 && end1 - start1 === 1) {
-	      ei.addIntersections(this.e, start0, mce$1.e, start1);
-	      return null
-	    }
-	    this.env1.init(p00, p01);
-	    this.env2.init(p10, p11);
-	    if (!this.env1.intersects(this.env2)) { return null }
-	    var mid0 = Math.trunc((start0 + end0) / 2);
-	    var mid1 = Math.trunc((start1 + end1) / 2);
-	    if (start0 < mid0) {
-	      if (start1 < mid1) { this.computeIntersectsForChain(start0, mid0, mce$1, start1, mid1, ei); }
-	      if (mid1 < end1) { this.computeIntersectsForChain(start0, mid0, mce$1, mid1, end1, ei); }
-	    }
-	    if (mid0 < end0) {
-	      if (start1 < mid1) { this.computeIntersectsForChain(mid0, end0, mce$1, start1, mid1, ei); }
-	      if (mid1 < end1) { this.computeIntersectsForChain(mid0, end0, mce$1, mid1, end1, ei); }
-	    }
-	  }
-	};
-	MonotoneChainEdge.prototype.getStartIndexes = function getStartIndexes () {
-	  return this.startIndex
-	};
-	MonotoneChainEdge.prototype.computeIntersects = function computeIntersects (mce, si) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this.startIndex.length - 1; i++) {
-	    for (var j = 0; j < mce.startIndex.length - 1; j++) {
-	      this$1.computeIntersectsForChain(i, mce, j, si);
-	    }
-	  }
-	};
-	MonotoneChainEdge.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MonotoneChainEdge.prototype.getClass = function getClass () {
-	  return MonotoneChainEdge
-	};
-
-	var Depth = function Depth () {
-	  var this$1 = this;
-
-	  this._depth = Array(2).fill().map(function () { return Array(3); });
-	  for (var i = 0; i < 2; i++) {
-	    for (var j = 0; j < 3; j++) {
-	      this$1._depth[i][j] = Depth.NULL_VALUE;
-	    }
-	  }
-	};
-
-	var staticAccessors$31 = { NULL_VALUE: { configurable: true } };
-	Depth.prototype.getDepth = function getDepth (geomIndex, posIndex) {
-	  return this._depth[geomIndex][posIndex]
-	};
-	Depth.prototype.setDepth = function setDepth (geomIndex, posIndex, depthValue) {
-	  this._depth[geomIndex][posIndex] = depthValue;
-	};
-	Depth.prototype.isNull = function isNull () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    for (var i = 0; i < 2; i++) {
-	      for (var j = 0; j < 3; j++) {
-	        if (this$1._depth[i][j] !== Depth.NULL_VALUE) { return false }
-	      }
-	    }
-	    return true
-	  } else if (arguments.length === 1) {
-	    var geomIndex = arguments[0];
-	    return this._depth[geomIndex][1] === Depth.NULL_VALUE
-	  } else if (arguments.length === 2) {
-	    var geomIndex$1 = arguments[0];
-	    var posIndex = arguments[1];
-	    return this._depth[geomIndex$1][posIndex] === Depth.NULL_VALUE
-	  }
-	};
-	Depth.prototype.normalize = function normalize () {
-	    var this$1 = this;
-
-	  for (var i = 0; i < 2; i++) {
-	    if (!this$1.isNull(i)) {
-	      var minDepth = this$1._depth[i][1];
-	      if (this$1._depth[i][2] < minDepth) { minDepth = this$1._depth[i][2]; }
-	      if (minDepth < 0) { minDepth = 0; }
-	      for (var j = 1; j < 3; j++) {
-	        var newValue = 0;
-	        if (this$1._depth[i][j] > minDepth) { newValue = 1; }
-	        this$1._depth[i][j] = newValue;
-	      }
-	    }
-	  }
-	};
-	Depth.prototype.getDelta = function getDelta (geomIndex) {
-	  return this._depth[geomIndex][Position.RIGHT] - this._depth[geomIndex][Position.LEFT]
-	};
-	Depth.prototype.getLocation = function getLocation (geomIndex, posIndex) {
-	  if (this._depth[geomIndex][posIndex] <= 0) { return Location.EXTERIOR }
-	  return Location.INTERIOR
-	};
-	Depth.prototype.toString = function toString () {
-	  return 'A: ' + this._depth[0][1] + ',' + this._depth[0][2] + ' B: ' + this._depth[1][1] + ',' + this._depth[1][2]
-	};
-	Depth.prototype.add = function add () {
-	    var this$1 = this;
-
-	  if (arguments.length === 1) {
-	    var lbl = arguments[0];
-	    for (var i = 0; i < 2; i++) {
-	      for (var j = 1; j < 3; j++) {
-	        var loc = lbl.getLocation(i, j);
-	        if (loc === Location.EXTERIOR || loc === Location.INTERIOR) {
-	          if (this$1.isNull(i, j)) {
-	            this$1._depth[i][j] = Depth.depthAtLocation(loc);
-	          } else { this$1._depth[i][j] += Depth.depthAtLocation(loc); }
-	        }
-	      }
-	    }
-	  } else if (arguments.length === 3) {
-	    var geomIndex = arguments[0];
-	    var posIndex = arguments[1];
-	    var location = arguments[2];
-	    if (location === Location.INTERIOR) { this._depth[geomIndex][posIndex]++; }
-	  }
-	};
-	Depth.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	Depth.prototype.getClass = function getClass () {
-	  return Depth
-	};
-	Depth.depthAtLocation = function depthAtLocation (location) {
-	  if (location === Location.EXTERIOR) { return 0 }
-	  if (location === Location.INTERIOR) { return 1 }
-	  return Depth.NULL_VALUE
-	};
-	staticAccessors$31.NULL_VALUE.get = function () { return -1 };
-
-	Object.defineProperties( Depth, staticAccessors$31 );
-
-	var Edge = (function (GraphComponent$$1) {
-	  function Edge () {
-	    GraphComponent$$1.call(this);
-	    this.pts = null;
-	    this._env = null;
-	    this.eiList = new EdgeIntersectionList(this);
-	    this._name = null;
-	    this._mce = null;
-	    this._isIsolated = true;
-	    this._depth = new Depth();
-	    this._depthDelta = 0;
-	    if (arguments.length === 1) {
-	      var pts = arguments[0];
-	      Edge.call(this, pts, null);
-	    } else if (arguments.length === 2) {
-	      var pts$1 = arguments[0];
-	      var label = arguments[1];
-	      this.pts = pts$1;
-	      this._label = label;
-	    }
-	  }
-
-	  if ( GraphComponent$$1 ) Edge.__proto__ = GraphComponent$$1;
-	  Edge.prototype = Object.create( GraphComponent$$1 && GraphComponent$$1.prototype );
-	  Edge.prototype.constructor = Edge;
-	  Edge.prototype.getDepth = function getDepth () {
-	    return this._depth
-	  };
-	  Edge.prototype.getCollapsedEdge = function getCollapsedEdge () {
-	    var newPts = new Array(2).fill(null);
-	    newPts[0] = this.pts[0];
-	    newPts[1] = this.pts[1];
-	    var newe = new Edge(newPts, Label.toLineLabel(this._label));
-	    return newe
-	  };
-	  Edge.prototype.isIsolated = function isIsolated () {
-	    return this._isIsolated
-	  };
-	  Edge.prototype.getCoordinates = function getCoordinates () {
-	    return this.pts
-	  };
-	  Edge.prototype.setIsolated = function setIsolated (isIsolated) {
-	    this._isIsolated = isIsolated;
-	  };
-	  Edge.prototype.setName = function setName (name) {
-	    this._name = name;
-	  };
-	  Edge.prototype.equals = function equals (o) {
-	    var this$1 = this;
-
-	    if (!(o instanceof Edge)) { return false }
-	    var e = o;
-	    if (this.pts.length !== e.pts.length) { return false }
-	    var isEqualForward = true;
-	    var isEqualReverse = true;
-	    var iRev = this.pts.length;
-	    for (var i = 0; i < this.pts.length; i++) {
-	      if (!this$1.pts[i].equals2D(e.pts[i])) {
-	        isEqualForward = false;
-	      }
-	      if (!this$1.pts[i].equals2D(e.pts[--iRev])) {
-	        isEqualReverse = false;
-	      }
-	      if (!isEqualForward && !isEqualReverse) { return false }
-	    }
-	    return true
-	  };
-	  Edge.prototype.getCoordinate = function getCoordinate () {
-	    if (arguments.length === 0) {
-	      if (this.pts.length > 0) { return this.pts[0] }
-	      return null
-	    } else if (arguments.length === 1) {
-	      var i = arguments[0];
-	      return this.pts[i]
-	    }
-	  };
-	  Edge.prototype.print = function print (out) {
-	    var this$1 = this;
-
-	    out.print('edge ' + this._name + ': ');
-	    out.print('LINESTRING (');
-	    for (var i = 0; i < this.pts.length; i++) {
-	      if (i > 0) { out.print(','); }
-	      out.print(this$1.pts[i].x + ' ' + this$1.pts[i].y);
-	    }
-	    out.print(')  ' + this._label + ' ' + this._depthDelta);
-	  };
-	  Edge.prototype.computeIM = function computeIM (im) {
-	    Edge.updateIM(this._label, im);
-	  };
-	  Edge.prototype.isCollapsed = function isCollapsed () {
-	    if (!this._label.isArea()) { return false }
-	    if (this.pts.length !== 3) { return false }
-	    if (this.pts[0].equals(this.pts[2])) { return true }
-	    return false
-	  };
-	  Edge.prototype.isClosed = function isClosed () {
-	    return this.pts[0].equals(this.pts[this.pts.length - 1])
-	  };
-	  Edge.prototype.getMaximumSegmentIndex = function getMaximumSegmentIndex () {
-	    return this.pts.length - 1
-	  };
-	  Edge.prototype.getDepthDelta = function getDepthDelta () {
-	    return this._depthDelta
-	  };
-	  Edge.prototype.getNumPoints = function getNumPoints () {
-	    return this.pts.length
-	  };
-	  Edge.prototype.printReverse = function printReverse (out) {
-	    var this$1 = this;
-
-	    out.print('edge ' + this._name + ': ');
-	    for (var i = this.pts.length - 1; i >= 0; i--) {
-	      out.print(this$1.pts[i] + ' ');
-	    }
-	    out.println('');
-	  };
-	  Edge.prototype.getMonotoneChainEdge = function getMonotoneChainEdge () {
-	    if (this._mce === null) { this._mce = new MonotoneChainEdge(this); }
-	    return this._mce
-	  };
-	  Edge.prototype.getEnvelope = function getEnvelope () {
-	    var this$1 = this;
-
-	    if (this._env === null) {
-	      this._env = new Envelope();
-	      for (var i = 0; i < this.pts.length; i++) {
-	        this$1._env.expandToInclude(this$1.pts[i]);
-	      }
-	    }
-	    return this._env
-	  };
-	  Edge.prototype.addIntersection = function addIntersection (li, segmentIndex, geomIndex, intIndex) {
-	    var intPt = new Coordinate(li.getIntersection(intIndex));
-	    var normalizedSegmentIndex = segmentIndex;
-	    var dist = li.getEdgeDistance(geomIndex, intIndex);
-	    var nextSegIndex = normalizedSegmentIndex + 1;
-	    if (nextSegIndex < this.pts.length) {
-	      var nextPt = this.pts[nextSegIndex];
-	      if (intPt.equals2D(nextPt)) {
-	        normalizedSegmentIndex = nextSegIndex;
-	        dist = 0.0;
-	      }
-	    }
-	    this.eiList.add(intPt, normalizedSegmentIndex, dist);
-	  };
-	  Edge.prototype.toString = function toString () {
-	    var this$1 = this;
-
-	    var buf = new StringBuffer();
-	    buf.append('edge ' + this._name + ': ');
-	    buf.append('LINESTRING (');
-	    for (var i = 0; i < this.pts.length; i++) {
-	      if (i > 0) { buf.append(','); }
-	      buf.append(this$1.pts[i].x + ' ' + this$1.pts[i].y);
-	    }
-	    buf.append(')  ' + this._label + ' ' + this._depthDelta);
-	    return buf.toString()
-	  };
-	  Edge.prototype.isPointwiseEqual = function isPointwiseEqual (e) {
-	    var this$1 = this;
-
-	    if (this.pts.length !== e.pts.length) { return false }
-	    for (var i = 0; i < this.pts.length; i++) {
-	      if (!this$1.pts[i].equals2D(e.pts[i])) {
-	        return false
-	      }
-	    }
-	    return true
-	  };
-	  Edge.prototype.setDepthDelta = function setDepthDelta (depthDelta) {
-	    this._depthDelta = depthDelta;
-	  };
-	  Edge.prototype.getEdgeIntersectionList = function getEdgeIntersectionList () {
-	    return this.eiList
-	  };
-	  Edge.prototype.addIntersections = function addIntersections (li, segmentIndex, geomIndex) {
-	    var this$1 = this;
-
-	    for (var i = 0; i < li.getIntersectionNum(); i++) {
-	      this$1.addIntersection(li, segmentIndex, geomIndex, i);
-	    }
-	  };
-	  Edge.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  Edge.prototype.getClass = function getClass () {
-	    return Edge
-	  };
-	  Edge.updateIM = function updateIM () {
-	    if (arguments.length === 2) {
-	      var label = arguments[0];
-	      var im = arguments[1];
-	      im.setAtLeastIfValid(label.getLocation(0, Position.ON), label.getLocation(1, Position.ON), 1);
-	      if (label.isArea()) {
-	        im.setAtLeastIfValid(label.getLocation(0, Position.LEFT), label.getLocation(1, Position.LEFT), 2);
-	        im.setAtLeastIfValid(label.getLocation(0, Position.RIGHT), label.getLocation(1, Position.RIGHT), 2);
-	      }
-	    } else { return GraphComponent$$1.prototype.updateIM.apply(this, arguments) }
-	  };
-
-	  return Edge;
-	}(GraphComponent));
-
-	var BufferBuilder = function BufferBuilder (bufParams) {
-	  this._workingPrecisionModel = null;
-	  this._workingNoder = null;
-	  this._geomFact = null;
-	  this._graph = null;
-	  this._edgeList = new EdgeList();
-	  this._bufParams = bufParams || null;
-	};
-	BufferBuilder.prototype.setWorkingPrecisionModel = function setWorkingPrecisionModel (pm) {
-	  this._workingPrecisionModel = pm;
-	};
-	BufferBuilder.prototype.insertUniqueEdge = function insertUniqueEdge (e) {
-	  var existingEdge = this._edgeList.findEqualEdge(e);
-	  if (existingEdge !== null) {
-	    var existingLabel = existingEdge.getLabel();
-	    var labelToMerge = e.getLabel();
-	    if (!existingEdge.isPointwiseEqual(e)) {
-	      labelToMerge = new Label(e.getLabel());
-	      labelToMerge.flip();
-	    }
-	    existingLabel.merge(labelToMerge);
-	    var mergeDelta = BufferBuilder.depthDelta(labelToMerge);
-	    var existingDelta = existingEdge.getDepthDelta();
-	    var newDelta = existingDelta + mergeDelta;
-	    existingEdge.setDepthDelta(newDelta);
-	  } else {
-	    this._edgeList.add(e);
-	    e.setDepthDelta(BufferBuilder.depthDelta(e.getLabel()));
-	  }
-	};
-	BufferBuilder.prototype.buildSubgraphs = function buildSubgraphs (subgraphList, polyBuilder) {
-	  var processedGraphs = new ArrayList();
-	  for (var i = subgraphList.iterator(); i.hasNext();) {
-	    var subgraph = i.next();
-	    var p = subgraph.getRightmostCoordinate();
-	    var locater = new SubgraphDepthLocater(processedGraphs);
-	    var outsideDepth = locater.getDepth(p);
-	    subgraph.computeDepth(outsideDepth);
-	    subgraph.findResultEdges();
-	    processedGraphs.add(subgraph);
-	    polyBuilder.add(subgraph.getDirectedEdges(), subgraph.getNodes());
-	  }
-	};
-	BufferBuilder.prototype.createSubgraphs = function createSubgraphs (graph) {
-	  var subgraphList = new ArrayList();
-	  for (var i = graph.getNodes().iterator(); i.hasNext();) {
-	    var node = i.next();
-	    if (!node.isVisited()) {
-	      var subgraph = new BufferSubgraph();
-	      subgraph.create(node);
-	      subgraphList.add(subgraph);
-	    }
-	  }
-	  Collections.sort(subgraphList, Collections.reverseOrder());
-	  return subgraphList
-	};
-	BufferBuilder.prototype.createEmptyResultGeometry = function createEmptyResultGeometry () {
-	  var emptyGeom = this._geomFact.createPolygon();
-	  return emptyGeom
-	};
-	BufferBuilder.prototype.getNoder = function getNoder (precisionModel) {
-	  if (this._workingNoder !== null) { return this._workingNoder }
-	  var noder = new MCIndexNoder();
-	  var li = new RobustLineIntersector();
-	  li.setPrecisionModel(precisionModel);
-	  noder.setSegmentIntersector(new IntersectionAdder(li));
-	  return noder
-	};
-	BufferBuilder.prototype.buffer = function buffer (g, distance) {
-	  var precisionModel = this._workingPrecisionModel;
-	  if (precisionModel === null) { precisionModel = g.getPrecisionModel(); }
-	  this._geomFact = g.getFactory();
-	  var curveBuilder = new OffsetCurveBuilder(precisionModel, this._bufParams);
-	  var curveSetBuilder = new OffsetCurveSetBuilder(g, distance, curveBuilder);
-	  var bufferSegStrList = curveSetBuilder.getCurves();
-	  if (bufferSegStrList.size() <= 0) {
-	    return this.createEmptyResultGeometry()
-	  }
-	  this.computeNodedEdges(bufferSegStrList, precisionModel);
-	  this._graph = new PlanarGraph(new OverlayNodeFactory());
-	  this._graph.addEdges(this._edgeList.getEdges());
-	  var subgraphList = this.createSubgraphs(this._graph);
-	  var polyBuilder = new PolygonBuilder(this._geomFact);
-	  this.buildSubgraphs(subgraphList, polyBuilder);
-	  var resultPolyList = polyBuilder.getPolygons();
-	  if (resultPolyList.size() <= 0) {
-	    return this.createEmptyResultGeometry()
-	  }
-	  var resultGeom = this._geomFact.buildGeometry(resultPolyList);
-	  return resultGeom
-	};
-	BufferBuilder.prototype.computeNodedEdges = function computeNodedEdges (bufferSegStrList, precisionModel) {
-	    var this$1 = this;
-
-	  var noder = this.getNoder(precisionModel);
-	  noder.computeNodes(bufferSegStrList);
-	  var nodedSegStrings = noder.getNodedSubstrings();
-	  for (var i = nodedSegStrings.iterator(); i.hasNext();) {
-	    var segStr = i.next();
-	    var pts = segStr.getCoordinates();
-	    if (pts.length === 2 && pts[0].equals2D(pts[1])) { continue }
-	    var oldLabel = segStr.getData();
-	    var edge = new Edge(segStr.getCoordinates(), new Label(oldLabel));
-	    this$1.insertUniqueEdge(edge);
-	  }
-	};
-	BufferBuilder.prototype.setNoder = function setNoder (noder) {
-	  this._workingNoder = noder;
-	};
-	BufferBuilder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BufferBuilder.prototype.getClass = function getClass () {
-	  return BufferBuilder
-	};
-	BufferBuilder.depthDelta = function depthDelta (label) {
-	  var lLoc = label.getLocation(0, Position.LEFT);
-	  var rLoc = label.getLocation(0, Position.RIGHT);
-	  if (lLoc === Location.INTERIOR && rLoc === Location.EXTERIOR) { return 1; } else if (lLoc === Location.EXTERIOR && rLoc === Location.INTERIOR) { return -1 }
-	  return 0
-	};
-	BufferBuilder.convertSegStrings = function convertSegStrings (it) {
-	  var fact = new GeometryFactory();
-	  var lines = new ArrayList();
-	  while (it.hasNext()) {
-	    var ss = it.next();
-	    var line = fact.createLineString(ss.getCoordinates());
-	    lines.add(line);
-	  }
-	  return fact.buildGeometry(lines)
-	};
-
-	var ScaledNoder = function ScaledNoder () {
-	  this._noder = null;
-	  this._scaleFactor = null;
-	  this._offsetX = null;
-	  this._offsetY = null;
-	  this._isScaled = false;
-	  if (arguments.length === 2) {
-	    var noder = arguments[0];
-	    var scaleFactor = arguments[1];
-	    this._noder = noder;
-	    this._scaleFactor = scaleFactor;
-	    this._offsetX = 0.0;
-	    this._offsetY = 0.0;
-	    this._isScaled = !this.isIntegerPrecision();
-	  } else if (arguments.length === 4) {
-	    var noder$1 = arguments[0];
-	    var scaleFactor$1 = arguments[1];
-	    var offsetX = arguments[2];
-	    var offsetY = arguments[3];
-	    this._noder = noder$1;
-	    this._scaleFactor = scaleFactor$1;
-	    this._offsetX = offsetX;
-	    this._offsetY = offsetY;
-	    this._isScaled = !this.isIntegerPrecision();
-	  }
-	};
-	ScaledNoder.prototype.rescale = function rescale () {
-	    var this$1 = this;
-
-	  if (hasInterface(arguments[0], Collection)) {
-	    var segStrings = arguments[0];
-	    for (var i = segStrings.iterator(); i.hasNext();) {
-	      var ss = i.next();
-	      this$1.rescale(ss.getCoordinates());
-	    }
-	  } else if (arguments[0] instanceof Array) {
-	    var pts = arguments[0];
-	    // let p0 = null
-	    // let p1 = null
-	    // if (pts.length === 2) {
-	    // p0 = new Coordinate(pts[0])
-	    // p1 = new Coordinate(pts[1])
-	    // }
-	    for (var i$1 = 0; i$1 < pts.length; i$1++) {
-	      pts[i$1].x = pts[i$1].x / this$1._scaleFactor + this$1._offsetX;
-	      pts[i$1].y = pts[i$1].y / this$1._scaleFactor + this$1._offsetY;
-	    }
-	    if (pts.length === 2 && pts[0].equals2D(pts[1])) {
-	      System.out.println(pts);
-	    }
-	  }
-	};
-	ScaledNoder.prototype.scale = function scale () {
-	    var this$1 = this;
-
-	  if (hasInterface(arguments[0], Collection)) {
-	    var segStrings = arguments[0];
-	    var nodedSegmentStrings = new ArrayList();
-	    for (var i = segStrings.iterator(); i.hasNext();) {
-	      var ss = i.next();
-	      nodedSegmentStrings.add(new NodedSegmentString(this$1.scale(ss.getCoordinates()), ss.getData()));
-	    }
-	    return nodedSegmentStrings
-	  } else if (arguments[0] instanceof Array) {
-	    var pts = arguments[0];
-	    var roundPts = new Array(pts.length).fill(null);
-	    for (var i$1 = 0; i$1 < pts.length; i$1++) {
-	      roundPts[i$1] = new Coordinate(Math.round((pts[i$1].x - this$1._offsetX) * this$1._scaleFactor), Math.round((pts[i$1].y - this$1._offsetY) * this$1._scaleFactor), pts[i$1].z);
-	    }
-	    var roundPtsNoDup = CoordinateArrays.removeRepeatedPoints(roundPts);
-	    return roundPtsNoDup
-	  }
-	};
-	ScaledNoder.prototype.isIntegerPrecision = function isIntegerPrecision () {
-	  return this._scaleFactor === 1.0
-	};
-	ScaledNoder.prototype.getNodedSubstrings = function getNodedSubstrings () {
-	  var splitSS = this._noder.getNodedSubstrings();
-	  if (this._isScaled) { this.rescale(splitSS); }
-	  return splitSS
-	};
-	ScaledNoder.prototype.computeNodes = function computeNodes (inputSegStrings) {
-	  var intSegStrings = inputSegStrings;
-	  if (this._isScaled) { intSegStrings = this.scale(inputSegStrings); }
-	  this._noder.computeNodes(intSegStrings);
-	};
-	ScaledNoder.prototype.interfaces_ = function interfaces_ () {
-	  return [Noder]
-	};
-	ScaledNoder.prototype.getClass = function getClass () {
-	  return ScaledNoder
-	};
-
-	var NodingValidator = function NodingValidator () {
-	  this._li = new RobustLineIntersector();
-	  this._segStrings = null;
-	  var segStrings = arguments[0];
-	  this._segStrings = segStrings;
-	};
-
-	var staticAccessors$33 = { fact: { configurable: true } };
-	NodingValidator.prototype.checkEndPtVertexIntersections = function checkEndPtVertexIntersections () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    for (var i = this._segStrings.iterator(); i.hasNext();) {
-	      var ss = i.next();
-	      var pts = ss.getCoordinates();
-	      this$1.checkEndPtVertexIntersections(pts[0], this$1._segStrings);
-	      this$1.checkEndPtVertexIntersections(pts[pts.length - 1], this$1._segStrings);
-	    }
-	  } else if (arguments.length === 2) {
-	    var testPt = arguments[0];
-	    var segStrings = arguments[1];
-	    for (var i$1 = segStrings.iterator(); i$1.hasNext();) {
-	      var ss$1 = i$1.next();
-	      var pts$1 = ss$1.getCoordinates();
-	      for (var j = 1; j < pts$1.length - 1; j++) {
-	        if (pts$1[j].equals(testPt)) { throw new RuntimeException('found endpt/interior pt intersection at index ' + j + ' :pt ' + testPt) }
-	      }
-	    }
-	  }
-	};
-	NodingValidator.prototype.checkInteriorIntersections = function checkInteriorIntersections () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    for (var i = this._segStrings.iterator(); i.hasNext();) {
-	      var ss0 = i.next();
-	      for (var j = this._segStrings.iterator(); j.hasNext();) {
-	        var ss1 = j.next();
-	        this$1.checkInteriorIntersections(ss0, ss1);
-	      }
-	    }
-	  } else if (arguments.length === 2) {
-	    var ss0$1 = arguments[0];
-	    var ss1$1 = arguments[1];
-	    var pts0 = ss0$1.getCoordinates();
-	    var pts1 = ss1$1.getCoordinates();
-	    for (var i0 = 0; i0 < pts0.length - 1; i0++) {
-	      for (var i1 = 0; i1 < pts1.length - 1; i1++) {
-	        this$1.checkInteriorIntersections(ss0$1, i0, ss1$1, i1);
-	      }
-	    }
-	  } else if (arguments.length === 4) {
-	    var e0 = arguments[0];
-	    var segIndex0 = arguments[1];
-	    var e1 = arguments[2];
-	    var segIndex1 = arguments[3];
-	    if (e0 === e1 && segIndex0 === segIndex1) { return null }
-	    var p00 = e0.getCoordinates()[segIndex0];
-	    var p01 = e0.getCoordinates()[segIndex0 + 1];
-	    var p10 = e1.getCoordinates()[segIndex1];
-	    var p11 = e1.getCoordinates()[segIndex1 + 1];
-	    this._li.computeIntersection(p00, p01, p10, p11);
-	    if (this._li.hasIntersection()) {
-	      if (this._li.isProper() || this.hasInteriorIntersection(this._li, p00, p01) || this.hasInteriorIntersection(this._li, p10, p11)) {
-	        throw new RuntimeException('found non-noded intersection at ' + p00 + '-' + p01 + ' and ' + p10 + '-' + p11)
-	      }
-	    }
-	  }
-	};
-	NodingValidator.prototype.checkValid = function checkValid () {
-	  this.checkEndPtVertexIntersections();
-	  this.checkInteriorIntersections();
-	  this.checkCollapses();
-	};
-	NodingValidator.prototype.checkCollapses = function checkCollapses () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    for (var i = this._segStrings.iterator(); i.hasNext();) {
-	      var ss = i.next();
-	      this$1.checkCollapses(ss);
-	    }
-	  } else if (arguments.length === 1) {
-	    var ss$1 = arguments[0];
-	    var pts = ss$1.getCoordinates();
-	    for (var i$1 = 0; i$1 < pts.length - 2; i$1++) {
-	      this$1.checkCollapse(pts[i$1], pts[i$1 + 1], pts[i$1 + 2]);
-	    }
-	  }
-	};
-	NodingValidator.prototype.hasInteriorIntersection = function hasInteriorIntersection (li, p0, p1) {
-	  for (var i = 0; i < li.getIntersectionNum(); i++) {
-	    var intPt = li.getIntersection(i);
-	    if (!(intPt.equals(p0) || intPt.equals(p1))) { return true }
-	  }
-	  return false
-	};
-	NodingValidator.prototype.checkCollapse = function checkCollapse (p0, p1, p2) {
-	  if (p0.equals(p2)) { throw new RuntimeException('found non-noded collapse at ' + NodingValidator.fact.createLineString([p0, p1, p2])) }
-	};
-	NodingValidator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	NodingValidator.prototype.getClass = function getClass () {
-	  return NodingValidator
-	};
-	staticAccessors$33.fact.get = function () { return new GeometryFactory() };
-
-	Object.defineProperties( NodingValidator, staticAccessors$33 );
-
-	var HotPixel = function HotPixel () {
-	  this._li = null;
-	  this._pt = null;
-	  this._originalPt = null;
-	  this._ptScaled = null;
-	  this._p0Scaled = null;
-	  this._p1Scaled = null;
-	  this._scaleFactor = null;
-	  this._minx = null;
-	  this._maxx = null;
-	  this._miny = null;
-	  this._maxy = null;
-	  this._corner = new Array(4).fill(null);
-	  this._safeEnv = null;
-	  var pt = arguments[0];
-	  var scaleFactor = arguments[1];
-	  var li = arguments[2];
-	  this._originalPt = pt;
-	  this._pt = pt;
-	  this._scaleFactor = scaleFactor;
-	  this._li = li;
-	  if (scaleFactor <= 0) { throw new IllegalArgumentException('Scale factor must be non-zero') }
-	  if (scaleFactor !== 1.0) {
-	    this._pt = new Coordinate(this.scale(pt.x), this.scale(pt.y));
-	    this._p0Scaled = new Coordinate();
-	    this._p1Scaled = new Coordinate();
-	  }
-	  this.initCorners(this._pt);
-	};
-
-	var staticAccessors$34 = { SAFE_ENV_EXPANSION_FACTOR: { configurable: true } };
-	HotPixel.prototype.intersectsScaled = function intersectsScaled (p0, p1) {
-	  var segMinx = Math.min(p0.x, p1.x);
-	  var segMaxx = Math.max(p0.x, p1.x);
-	  var segMiny = Math.min(p0.y, p1.y);
-	  var segMaxy = Math.max(p0.y, p1.y);
-	  var isOutsidePixelEnv = this._maxx < segMinx || this._minx > segMaxx || this._maxy < segMiny || this._miny > segMaxy;
-	  if (isOutsidePixelEnv) { return false }
-	  var intersects = this.intersectsToleranceSquare(p0, p1);
-	  Assert.isTrue(!(isOutsidePixelEnv && intersects), 'Found bad envelope test');
-	  return intersects
-	};
-	HotPixel.prototype.initCorners = function initCorners (pt) {
-	  var tolerance = 0.5;
-	  this._minx = pt.x - tolerance;
-	  this._maxx = pt.x + tolerance;
-	  this._miny = pt.y - tolerance;
-	  this._maxy = pt.y + tolerance;
-	  this._corner[0] = new Coordinate(this._maxx, this._maxy);
-	  this._corner[1] = new Coordinate(this._minx, this._maxy);
-	  this._corner[2] = new Coordinate(this._minx, this._miny);
-	  this._corner[3] = new Coordinate(this._maxx, this._miny);
-	};
-	HotPixel.prototype.intersects = function intersects (p0, p1) {
-	  if (this._scaleFactor === 1.0) { return this.intersectsScaled(p0, p1) }
-	  this.copyScaled(p0, this._p0Scaled);
-	  this.copyScaled(p1, this._p1Scaled);
-	  return this.intersectsScaled(this._p0Scaled, this._p1Scaled)
-	};
-	HotPixel.prototype.scale = function scale (val) {
-	  return Math.round(val * this._scaleFactor)
-	};
-	HotPixel.prototype.getCoordinate = function getCoordinate () {
-	  return this._originalPt
-	};
-	HotPixel.prototype.copyScaled = function copyScaled (p, pScaled) {
-	  pScaled.x = this.scale(p.x);
-	  pScaled.y = this.scale(p.y);
-	};
-	HotPixel.prototype.getSafeEnvelope = function getSafeEnvelope () {
-	  if (this._safeEnv === null) {
-	    var safeTolerance = HotPixel.SAFE_ENV_EXPANSION_FACTOR / this._scaleFactor;
-	    this._safeEnv = new Envelope(this._originalPt.x - safeTolerance, this._originalPt.x + safeTolerance, this._originalPt.y - safeTolerance, this._originalPt.y + safeTolerance);
-	  }
-	  return this._safeEnv
-	};
-	HotPixel.prototype.intersectsPixelClosure = function intersectsPixelClosure (p0, p1) {
-	  this._li.computeIntersection(p0, p1, this._corner[0], this._corner[1]);
-	  if (this._li.hasIntersection()) { return true }
-	  this._li.computeIntersection(p0, p1, this._corner[1], this._corner[2]);
-	  if (this._li.hasIntersection()) { return true }
-	  this._li.computeIntersection(p0, p1, this._corner[2], this._corner[3]);
-	  if (this._li.hasIntersection()) { return true }
-	  this._li.computeIntersection(p0, p1, this._corner[3], this._corner[0]);
-	  if (this._li.hasIntersection()) { return true }
-	  return false
-	};
-	HotPixel.prototype.intersectsToleranceSquare = function intersectsToleranceSquare (p0, p1) {
-	  var intersectsLeft = false;
-	  var intersectsBottom = false;
-	  this._li.computeIntersection(p0, p1, this._corner[0], this._corner[1]);
-	  if (this._li.isProper()) { return true }
-	  this._li.computeIntersection(p0, p1, this._corner[1], this._corner[2]);
-	  if (this._li.isProper()) { return true }
-	  if (this._li.hasIntersection()) { intersectsLeft = true; }
-	  this._li.computeIntersection(p0, p1, this._corner[2], this._corner[3]);
-	  if (this._li.isProper()) { return true }
-	  if (this._li.hasIntersection()) { intersectsBottom = true; }
-	  this._li.computeIntersection(p0, p1, this._corner[3], this._corner[0]);
-	  if (this._li.isProper()) { return true }
-	  if (intersectsLeft && intersectsBottom) { return true }
-	  if (p0.equals(this._pt)) { return true }
-	  if (p1.equals(this._pt)) { return true }
-	  return false
-	};
-	HotPixel.prototype.addSnappedNode = function addSnappedNode (segStr, segIndex) {
-	  var p0 = segStr.getCoordinate(segIndex);
-	  var p1 = segStr.getCoordinate(segIndex + 1);
-	  if (this.intersects(p0, p1)) {
-	    segStr.addIntersection(this.getCoordinate(), segIndex);
-	    return true
-	  }
-	  return false
-	};
-	HotPixel.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	HotPixel.prototype.getClass = function getClass () {
-	  return HotPixel
-	};
-	staticAccessors$34.SAFE_ENV_EXPANSION_FACTOR.get = function () { return 0.75 };
-
-	Object.defineProperties( HotPixel, staticAccessors$34 );
-
-	var MonotoneChainSelectAction = function MonotoneChainSelectAction () {
-	  this.tempEnv1 = new Envelope();
-	  this.selectedSegment = new LineSegment();
-	};
-	MonotoneChainSelectAction.prototype.select = function select () {
-	  if (arguments.length === 1) ; else if (arguments.length === 2) {
-	    var mc = arguments[0];
-	    var startIndex = arguments[1];
-	    mc.getLineSegment(startIndex, this.selectedSegment);
-	    this.select(this.selectedSegment);
-	  }
-	};
-	MonotoneChainSelectAction.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MonotoneChainSelectAction.prototype.getClass = function getClass () {
-	  return MonotoneChainSelectAction
-	};
-
-	var MCIndexPointSnapper = function MCIndexPointSnapper () {
-	  this._index = null;
-	  var index = arguments[0];
-	  this._index = index;
-	};
-
-	var staticAccessors$35 = { HotPixelSnapAction: { configurable: true } };
-	MCIndexPointSnapper.prototype.snap = function snap () {
-	  if (arguments.length === 1) {
-	    var hotPixel = arguments[0];
-	    return this.snap(hotPixel, null, -1)
-	  } else if (arguments.length === 3) {
-	    var hotPixel$1 = arguments[0];
-	    var parentEdge = arguments[1];
-	    var hotPixelVertexIndex = arguments[2];
-	    var pixelEnv = hotPixel$1.getSafeEnvelope();
-	    var hotPixelSnapAction = new HotPixelSnapAction(hotPixel$1, parentEdge, hotPixelVertexIndex);
-	    this._index.query(pixelEnv, {
-	      interfaces_: function () {
-	        return [ItemVisitor]
-	      },
-	      visitItem: function (item) {
-	        var testChain = item;
-	        testChain.select(pixelEnv, hotPixelSnapAction);
-	      }
-	    });
-	    return hotPixelSnapAction.isNodeAdded()
-	  }
-	};
-	MCIndexPointSnapper.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MCIndexPointSnapper.prototype.getClass = function getClass () {
-	  return MCIndexPointSnapper
-	};
-	staticAccessors$35.HotPixelSnapAction.get = function () { return HotPixelSnapAction };
-
-	Object.defineProperties( MCIndexPointSnapper, staticAccessors$35 );
-
-	var HotPixelSnapAction = (function (MonotoneChainSelectAction$$1) {
-	  function HotPixelSnapAction () {
-	    MonotoneChainSelectAction$$1.call(this);
-	    this._hotPixel = null;
-	    this._parentEdge = null;
-	    this._hotPixelVertexIndex = null;
-	    this._isNodeAdded = false;
-	    var hotPixel = arguments[0];
-	    var parentEdge = arguments[1];
-	    var hotPixelVertexIndex = arguments[2];
-	    this._hotPixel = hotPixel;
-	    this._parentEdge = parentEdge;
-	    this._hotPixelVertexIndex = hotPixelVertexIndex;
-	  }
-
-	  if ( MonotoneChainSelectAction$$1 ) HotPixelSnapAction.__proto__ = MonotoneChainSelectAction$$1;
-	  HotPixelSnapAction.prototype = Object.create( MonotoneChainSelectAction$$1 && MonotoneChainSelectAction$$1.prototype );
-	  HotPixelSnapAction.prototype.constructor = HotPixelSnapAction;
-	  HotPixelSnapAction.prototype.isNodeAdded = function isNodeAdded () {
-	    return this._isNodeAdded
-	  };
-	  HotPixelSnapAction.prototype.select = function select () {
-	    if (arguments.length === 2) {
-	      var mc = arguments[0];
-	      var startIndex = arguments[1];
-	      var ss = mc.getContext();
-	      if (this._parentEdge !== null) {
-	        if (ss === this._parentEdge && startIndex === this._hotPixelVertexIndex) { return null }
-	      }
-	      this._isNodeAdded = this._hotPixel.addSnappedNode(ss, startIndex);
-	    } else { return MonotoneChainSelectAction$$1.prototype.select.apply(this, arguments) }
-	  };
-	  HotPixelSnapAction.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  HotPixelSnapAction.prototype.getClass = function getClass () {
-	    return HotPixelSnapAction
-	  };
-
-	  return HotPixelSnapAction;
-	}(MonotoneChainSelectAction));
-
-	var InteriorIntersectionFinderAdder = function InteriorIntersectionFinderAdder () {
-	  this._li = null;
-	  this._interiorIntersections = null;
-	  var li = arguments[0];
-	  this._li = li;
-	  this._interiorIntersections = new ArrayList();
-	};
-	InteriorIntersectionFinderAdder.prototype.processIntersections = function processIntersections (e0, segIndex0, e1, segIndex1) {
-	    var this$1 = this;
-
-	  if (e0 === e1 && segIndex0 === segIndex1) { return null }
-	  var p00 = e0.getCoordinates()[segIndex0];
-	  var p01 = e0.getCoordinates()[segIndex0 + 1];
-	  var p10 = e1.getCoordinates()[segIndex1];
-	  var p11 = e1.getCoordinates()[segIndex1 + 1];
-	  this._li.computeIntersection(p00, p01, p10, p11);
-	  if (this._li.hasIntersection()) {
-	    if (this._li.isInteriorIntersection()) {
-	      for (var intIndex = 0; intIndex < this._li.getIntersectionNum(); intIndex++) {
-	        this$1._interiorIntersections.add(this$1._li.getIntersection(intIndex));
-	      }
-	      e0.addIntersections(this._li, segIndex0, 0);
-	      e1.addIntersections(this._li, segIndex1, 1);
-	    }
-	  }
-	};
-	InteriorIntersectionFinderAdder.prototype.isDone = function isDone () {
-	  return false
-	};
-	InteriorIntersectionFinderAdder.prototype.getInteriorIntersections = function getInteriorIntersections () {
-	  return this._interiorIntersections
-	};
-	InteriorIntersectionFinderAdder.prototype.interfaces_ = function interfaces_ () {
-	  return [SegmentIntersector]
-	};
-	InteriorIntersectionFinderAdder.prototype.getClass = function getClass () {
-	  return InteriorIntersectionFinderAdder
-	};
-
-	var MCIndexSnapRounder = function MCIndexSnapRounder () {
-	  this._pm = null;
-	  this._li = null;
-	  this._scaleFactor = null;
-	  this._noder = null;
-	  this._pointSnapper = null;
-	  this._nodedSegStrings = null;
-	  var pm = arguments[0];
-	  this._pm = pm;
-	  this._li = new RobustLineIntersector();
-	  this._li.setPrecisionModel(pm);
-	  this._scaleFactor = pm.getScale();
-	};
-	MCIndexSnapRounder.prototype.checkCorrectness = function checkCorrectness (inputSegmentStrings) {
-	  var resultSegStrings = NodedSegmentString.getNodedSubstrings(inputSegmentStrings);
-	  var nv = new NodingValidator(resultSegStrings);
-	  try {
-	    nv.checkValid();
-	  } catch (ex) {
-	    if (ex instanceof Exception) {
-	      ex.printStackTrace();
-	    } else { throw ex }
-	  } finally {}
-	};
-	MCIndexSnapRounder.prototype.getNodedSubstrings = function getNodedSubstrings () {
-	  return NodedSegmentString.getNodedSubstrings(this._nodedSegStrings)
-	};
-	MCIndexSnapRounder.prototype.snapRound = function snapRound (segStrings, li) {
-	  var intersections = this.findInteriorIntersections(segStrings, li);
-	  this.computeIntersectionSnaps(intersections);
-	  this.computeVertexSnaps(segStrings);
-	};
-	MCIndexSnapRounder.prototype.findInteriorIntersections = function findInteriorIntersections (segStrings, li) {
-	  var intFinderAdder = new InteriorIntersectionFinderAdder(li);
-	  this._noder.setSegmentIntersector(intFinderAdder);
-	  this._noder.computeNodes(segStrings);
-	  return intFinderAdder.getInteriorIntersections()
-	};
-	MCIndexSnapRounder.prototype.computeVertexSnaps = function computeVertexSnaps () {
-	    var this$1 = this;
-
-	  if (hasInterface(arguments[0], Collection)) {
-	    var edges = arguments[0];
-	    for (var i0 = edges.iterator(); i0.hasNext();) {
-	      var edge0 = i0.next();
-	      this$1.computeVertexSnaps(edge0);
-	    }
-	  } else if (arguments[0] instanceof NodedSegmentString) {
-	    var e = arguments[0];
-	    var pts0 = e.getCoordinates();
-	    for (var i = 0; i < pts0.length; i++) {
-	      var hotPixel = new HotPixel(pts0[i], this$1._scaleFactor, this$1._li);
-	      var isNodeAdded = this$1._pointSnapper.snap(hotPixel, e, i);
-	      if (isNodeAdded) {
-	        e.addIntersection(pts0[i], i);
-	      }
-	    }
-	  }
-	};
-	MCIndexSnapRounder.prototype.computeNodes = function computeNodes (inputSegmentStrings) {
-	  this._nodedSegStrings = inputSegmentStrings;
-	  this._noder = new MCIndexNoder();
-	  this._pointSnapper = new MCIndexPointSnapper(this._noder.getIndex());
-	  this.snapRound(inputSegmentStrings, this._li);
-	};
-	MCIndexSnapRounder.prototype.computeIntersectionSnaps = function computeIntersectionSnaps (snapPts) {
-	    var this$1 = this;
-
-	  for (var it = snapPts.iterator(); it.hasNext();) {
-	    var snapPt = it.next();
-	    var hotPixel = new HotPixel(snapPt, this$1._scaleFactor, this$1._li);
-	    this$1._pointSnapper.snap(hotPixel);
-	  }
-	};
-	MCIndexSnapRounder.prototype.interfaces_ = function interfaces_ () {
-	  return [Noder]
-	};
-	MCIndexSnapRounder.prototype.getClass = function getClass () {
-	  return MCIndexSnapRounder
-	};
-
-	var BufferOp = function BufferOp () {
-	  this._argGeom = null;
-	  this._distance = null;
-	  this._bufParams = new BufferParameters();
-	  this._resultGeometry = null;
-	  this._saveException = null;
-	  if (arguments.length === 1) {
-	    var g = arguments[0];
-	    this._argGeom = g;
-	  } else if (arguments.length === 2) {
-	    var g$1 = arguments[0];
-	    var bufParams = arguments[1];
-	    this._argGeom = g$1;
-	    this._bufParams = bufParams;
-	  }
-	};
-
-	var staticAccessors$32 = { CAP_ROUND: { configurable: true },CAP_BUTT: { configurable: true },CAP_FLAT: { configurable: true },CAP_SQUARE: { configurable: true },MAX_PRECISION_DIGITS: { configurable: true } };
-	BufferOp.prototype.bufferFixedPrecision = function bufferFixedPrecision (fixedPM) {
-	  var noder = new ScaledNoder(new MCIndexSnapRounder(new PrecisionModel(1.0)), fixedPM.getScale());
-	  var bufBuilder = new BufferBuilder(this._bufParams);
-	  bufBuilder.setWorkingPrecisionModel(fixedPM);
-	  bufBuilder.setNoder(noder);
-	  this._resultGeometry = bufBuilder.buffer(this._argGeom, this._distance);
-	};
-	BufferOp.prototype.bufferReducedPrecision = function bufferReducedPrecision () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    for (var precDigits = BufferOp.MAX_PRECISION_DIGITS; precDigits >= 0; precDigits--) {
-	      try {
-	        this$1.bufferReducedPrecision(precDigits);
-	      } catch (ex) {
-	        if (ex instanceof TopologyException) {
-	          this$1._saveException = ex;
-	        } else { throw ex }
-	      } finally {}
-	      if (this$1._resultGeometry !== null) { return null }
-	    }
-	    throw this._saveException
-	  } else if (arguments.length === 1) {
-	    var precisionDigits = arguments[0];
-	    var sizeBasedScaleFactor = BufferOp.precisionScaleFactor(this._argGeom, this._distance, precisionDigits);
-	    var fixedPM = new PrecisionModel(sizeBasedScaleFactor);
-	    this.bufferFixedPrecision(fixedPM);
-	  }
-	};
-	BufferOp.prototype.computeGeometry = function computeGeometry () {
-	  this.bufferOriginalPrecision();
-	  if (this._resultGeometry !== null) { return null }
-	  var argPM = this._argGeom.getFactory().getPrecisionModel();
-	  if (argPM.getType() === PrecisionModel.FIXED) { this.bufferFixedPrecision(argPM); } else { this.bufferReducedPrecision(); }
-	};
-	BufferOp.prototype.setQuadrantSegments = function setQuadrantSegments (quadrantSegments) {
-	  this._bufParams.setQuadrantSegments(quadrantSegments);
-	};
-	BufferOp.prototype.bufferOriginalPrecision = function bufferOriginalPrecision () {
-	  try {
-	    var bufBuilder = new BufferBuilder(this._bufParams);
-	    this._resultGeometry = bufBuilder.buffer(this._argGeom, this._distance);
-	  } catch (ex) {
-	    if (ex instanceof RuntimeException) {
-	      this._saveException = ex;
-	    } else { throw ex }
-	  } finally {}
-	};
-	BufferOp.prototype.getResultGeometry = function getResultGeometry (distance) {
-	  this._distance = distance;
-	  this.computeGeometry();
-	  return this._resultGeometry
-	};
-	BufferOp.prototype.setEndCapStyle = function setEndCapStyle (endCapStyle) {
-	  this._bufParams.setEndCapStyle(endCapStyle);
-	};
-	BufferOp.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BufferOp.prototype.getClass = function getClass () {
-	  return BufferOp
-	};
-	BufferOp.bufferOp = function bufferOp () {
-	  if (arguments.length === 2) {
-	    var g = arguments[0];
-	    var distance = arguments[1];
-	    var gBuf = new BufferOp(g);
-	    var geomBuf = gBuf.getResultGeometry(distance);
-	    return geomBuf
-	  } else if (arguments.length === 3) {
-	    if (Number.isInteger(arguments[2]) && (arguments[0] instanceof Geometry && typeof arguments[1] === 'number')) {
-	      var g$1 = arguments[0];
-	      var distance$1 = arguments[1];
-	      var quadrantSegments = arguments[2];
-	      var bufOp = new BufferOp(g$1);
-	      bufOp.setQuadrantSegments(quadrantSegments);
-	      var geomBuf$1 = bufOp.getResultGeometry(distance$1);
-	      return geomBuf$1
-	    } else if (arguments[2] instanceof BufferParameters && (arguments[0] instanceof Geometry && typeof arguments[1] === 'number')) {
-	      var g$2 = arguments[0];
-	      var distance$2 = arguments[1];
-	      var params = arguments[2];
-	      var bufOp$1 = new BufferOp(g$2, params);
-	      var geomBuf$2 = bufOp$1.getResultGeometry(distance$2);
-	      return geomBuf$2
-	    }
-	  } else if (arguments.length === 4) {
-	    var g$3 = arguments[0];
-	    var distance$3 = arguments[1];
-	    var quadrantSegments$1 = arguments[2];
-	    var endCapStyle = arguments[3];
-	    var bufOp$2 = new BufferOp(g$3);
-	    bufOp$2.setQuadrantSegments(quadrantSegments$1);
-	    bufOp$2.setEndCapStyle(endCapStyle);
-	    var geomBuf$3 = bufOp$2.getResultGeometry(distance$3);
-	    return geomBuf$3
-	  }
-	};
-	BufferOp.precisionScaleFactor = function precisionScaleFactor (g, distance, maxPrecisionDigits) {
-	  var env = g.getEnvelopeInternal();
-	  var envMax = MathUtil.max(Math.abs(env.getMaxX()), Math.abs(env.getMaxY()), Math.abs(env.getMinX()), Math.abs(env.getMinY()));
-	  var expandByDistance = distance > 0.0 ? distance : 0.0;
-	  var bufEnvMax = envMax + 2 * expandByDistance;
-	  var bufEnvPrecisionDigits = Math.trunc(Math.log(bufEnvMax) / Math.log(10) + 1.0);
-	  var minUnitLog10 = maxPrecisionDigits - bufEnvPrecisionDigits;
-	  var scaleFactor = Math.pow(10.0, minUnitLog10);
-	  return scaleFactor
-	};
-	staticAccessors$32.CAP_ROUND.get = function () { return BufferParameters.CAP_ROUND };
-	staticAccessors$32.CAP_BUTT.get = function () { return BufferParameters.CAP_FLAT };
-	staticAccessors$32.CAP_FLAT.get = function () { return BufferParameters.CAP_FLAT };
-	staticAccessors$32.CAP_SQUARE.get = function () { return BufferParameters.CAP_SQUARE };
-	staticAccessors$32.MAX_PRECISION_DIGITS.get = function () { return 12 };
-
-	Object.defineProperties( BufferOp, staticAccessors$32 );
-
-	var PointPairDistance = function PointPairDistance () {
-	  this._pt = [new Coordinate(), new Coordinate()];
-	  this._distance = Double.NaN;
-	  this._isNull = true;
-	};
-	PointPairDistance.prototype.getCoordinates = function getCoordinates () {
-	  return this._pt
-	};
-	PointPairDistance.prototype.getCoordinate = function getCoordinate (i) {
-	  return this._pt[i]
-	};
-	PointPairDistance.prototype.setMinimum = function setMinimum () {
-	  if (arguments.length === 1) {
-	    var ptDist = arguments[0];
-	    this.setMinimum(ptDist._pt[0], ptDist._pt[1]);
-	  } else if (arguments.length === 2) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    if (this._isNull) {
-	      this.initialize(p0, p1);
-	      return null
-	    }
-	    var dist = p0.distance(p1);
-	    if (dist < this._distance) { this.initialize(p0, p1, dist); }
-	  }
-	};
-	PointPairDistance.prototype.initialize = function initialize () {
-	  if (arguments.length === 0) {
-	    this._isNull = true;
-	  } else if (arguments.length === 2) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    this._pt[0].setCoordinate(p0);
-	    this._pt[1].setCoordinate(p1);
-	    this._distance = p0.distance(p1);
-	    this._isNull = false;
-	  } else if (arguments.length === 3) {
-	    var p0$1 = arguments[0];
-	    var p1$1 = arguments[1];
-	    var distance = arguments[2];
-	    this._pt[0].setCoordinate(p0$1);
-	    this._pt[1].setCoordinate(p1$1);
-	    this._distance = distance;
-	    this._isNull = false;
-	  }
-	};
-	PointPairDistance.prototype.getDistance = function getDistance () {
-	  return this._distance
-	};
-	PointPairDistance.prototype.setMaximum = function setMaximum () {
-	  if (arguments.length === 1) {
-	    var ptDist = arguments[0];
-	    this.setMaximum(ptDist._pt[0], ptDist._pt[1]);
-	  } else if (arguments.length === 2) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    if (this._isNull) {
-	      this.initialize(p0, p1);
-	      return null
-	    }
-	    var dist = p0.distance(p1);
-	    if (dist > this._distance) { this.initialize(p0, p1, dist); }
-	  }
-	};
-	PointPairDistance.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	PointPairDistance.prototype.getClass = function getClass () {
-	  return PointPairDistance
-	};
-
-	var DistanceToPointFinder = function DistanceToPointFinder () {};
-
-	DistanceToPointFinder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	DistanceToPointFinder.prototype.getClass = function getClass () {
-	  return DistanceToPointFinder
-	};
-	DistanceToPointFinder.computeDistance = function computeDistance () {
-	  if (arguments[2] instanceof PointPairDistance && (arguments[0] instanceof LineString && arguments[1] instanceof Coordinate)) {
-	    var line = arguments[0];
-	    var pt = arguments[1];
-	    var ptDist = arguments[2];
-	    var coords = line.getCoordinates();
-	    var tempSegment = new LineSegment();
-	    for (var i = 0; i < coords.length - 1; i++) {
-	      tempSegment.setCoordinates(coords[i], coords[i + 1]);
-	      var closestPt = tempSegment.closestPoint(pt);
-	      ptDist.setMinimum(closestPt, pt);
-	    }
-	  } else if (arguments[2] instanceof PointPairDistance && (arguments[0] instanceof Polygon && arguments[1] instanceof Coordinate)) {
-	    var poly = arguments[0];
-	    var pt$1 = arguments[1];
-	    var ptDist$1 = arguments[2];
-	    DistanceToPointFinder.computeDistance(poly.getExteriorRing(), pt$1, ptDist$1);
-	    for (var i$1 = 0; i$1 < poly.getNumInteriorRing(); i$1++) {
-	      DistanceToPointFinder.computeDistance(poly.getInteriorRingN(i$1), pt$1, ptDist$1);
-	    }
-	  } else if (arguments[2] instanceof PointPairDistance && (arguments[0] instanceof Geometry && arguments[1] instanceof Coordinate)) {
-	    var geom = arguments[0];
-	    var pt$2 = arguments[1];
-	    var ptDist$2 = arguments[2];
-	    if (geom instanceof LineString) {
-	      DistanceToPointFinder.computeDistance(geom, pt$2, ptDist$2);
-	    } else if (geom instanceof Polygon) {
-	      DistanceToPointFinder.computeDistance(geom, pt$2, ptDist$2);
-	    } else if (geom instanceof GeometryCollection) {
-	      var gc = geom;
-	      for (var i$2 = 0; i$2 < gc.getNumGeometries(); i$2++) {
-	        var g = gc.getGeometryN(i$2);
-	        DistanceToPointFinder.computeDistance(g, pt$2, ptDist$2);
-	      }
-	    } else {
-	      ptDist$2.setMinimum(geom.getCoordinate(), pt$2);
-	    }
-	  } else if (arguments[2] instanceof PointPairDistance && (arguments[0] instanceof LineSegment && arguments[1] instanceof Coordinate)) {
-	    var segment = arguments[0];
-	    var pt$3 = arguments[1];
-	    var ptDist$3 = arguments[2];
-	    var closestPt$1 = segment.closestPoint(pt$3);
-	    ptDist$3.setMinimum(closestPt$1, pt$3);
-	  }
-	};
-
-	var BufferCurveMaximumDistanceFinder = function BufferCurveMaximumDistanceFinder (inputGeom) {
-	  this._maxPtDist = new PointPairDistance();
-	  this._inputGeom = inputGeom || null;
-	};
-
-	var staticAccessors$36 = { MaxPointDistanceFilter: { configurable: true },MaxMidpointDistanceFilter: { configurable: true } };
-	BufferCurveMaximumDistanceFinder.prototype.computeMaxMidpointDistance = function computeMaxMidpointDistance (curve) {
-	  var distFilter = new MaxMidpointDistanceFilter(this._inputGeom);
-	  curve.apply(distFilter);
-	  this._maxPtDist.setMaximum(distFilter.getMaxPointDistance());
-	};
-	BufferCurveMaximumDistanceFinder.prototype.computeMaxVertexDistance = function computeMaxVertexDistance (curve) {
-	  var distFilter = new MaxPointDistanceFilter(this._inputGeom);
-	  curve.apply(distFilter);
-	  this._maxPtDist.setMaximum(distFilter.getMaxPointDistance());
-	};
-	BufferCurveMaximumDistanceFinder.prototype.findDistance = function findDistance (bufferCurve) {
-	  this.computeMaxVertexDistance(bufferCurve);
-	  this.computeMaxMidpointDistance(bufferCurve);
-	  return this._maxPtDist.getDistance()
-	};
-	BufferCurveMaximumDistanceFinder.prototype.getDistancePoints = function getDistancePoints () {
-	  return this._maxPtDist
-	};
-	BufferCurveMaximumDistanceFinder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BufferCurveMaximumDistanceFinder.prototype.getClass = function getClass () {
-	  return BufferCurveMaximumDistanceFinder
-	};
-	staticAccessors$36.MaxPointDistanceFilter.get = function () { return MaxPointDistanceFilter };
-	staticAccessors$36.MaxMidpointDistanceFilter.get = function () { return MaxMidpointDistanceFilter };
-
-	Object.defineProperties( BufferCurveMaximumDistanceFinder, staticAccessors$36 );
-
-	var MaxPointDistanceFilter = function MaxPointDistanceFilter (geom) {
-	  this._maxPtDist = new PointPairDistance();
-	  this._minPtDist = new PointPairDistance();
-	  this._geom = geom || null;
-	};
-	MaxPointDistanceFilter.prototype.filter = function filter (pt) {
-	  this._minPtDist.initialize();
-	  DistanceToPointFinder.computeDistance(this._geom, pt, this._minPtDist);
-	  this._maxPtDist.setMaximum(this._minPtDist);
-	};
-	MaxPointDistanceFilter.prototype.getMaxPointDistance = function getMaxPointDistance () {
-	  return this._maxPtDist
-	};
-	MaxPointDistanceFilter.prototype.interfaces_ = function interfaces_ () {
-	  return [CoordinateFilter]
-	};
-	MaxPointDistanceFilter.prototype.getClass = function getClass () {
-	  return MaxPointDistanceFilter
-	};
-
-	var MaxMidpointDistanceFilter = function MaxMidpointDistanceFilter (geom) {
-	  this._maxPtDist = new PointPairDistance();
-	  this._minPtDist = new PointPairDistance();
-	  this._geom = geom || null;
-	};
-	MaxMidpointDistanceFilter.prototype.filter = function filter (seq, index) {
-	  if (index === 0) { return null }
-	  var p0 = seq.getCoordinate(index - 1);
-	  var p1 = seq.getCoordinate(index);
-	  var midPt = new Coordinate((p0.x + p1.x) / 2, (p0.y + p1.y) / 2);
-	  this._minPtDist.initialize();
-	  DistanceToPointFinder.computeDistance(this._geom, midPt, this._minPtDist);
-	  this._maxPtDist.setMaximum(this._minPtDist);
-	};
-	MaxMidpointDistanceFilter.prototype.isDone = function isDone () {
-	  return false
-	};
-	MaxMidpointDistanceFilter.prototype.isGeometryChanged = function isGeometryChanged () {
-	  return false
-	};
-	MaxMidpointDistanceFilter.prototype.getMaxPointDistance = function getMaxPointDistance () {
-	  return this._maxPtDist
-	};
-	MaxMidpointDistanceFilter.prototype.interfaces_ = function interfaces_ () {
-	  return [CoordinateSequenceFilter]
-	};
-	MaxMidpointDistanceFilter.prototype.getClass = function getClass () {
-	  return MaxMidpointDistanceFilter
-	};
-
-	var PolygonExtracter = function PolygonExtracter (comps) {
-	  this._comps = comps || null;
-	};
-	PolygonExtracter.prototype.filter = function filter (geom) {
-	  if (geom instanceof Polygon) { this._comps.add(geom); }
-	};
-	PolygonExtracter.prototype.interfaces_ = function interfaces_ () {
-	  return [GeometryFilter]
-	};
-	PolygonExtracter.prototype.getClass = function getClass () {
-	  return PolygonExtracter
-	};
-	PolygonExtracter.getPolygons = function getPolygons () {
-	  if (arguments.length === 1) {
-	    var geom = arguments[0];
-	    return PolygonExtracter.getPolygons(geom, new ArrayList())
-	  } else if (arguments.length === 2) {
-	    var geom$1 = arguments[0];
-	    var list = arguments[1];
-	    if (geom$1 instanceof Polygon) {
-	      list.add(geom$1);
-	    } else if (geom$1 instanceof GeometryCollection) {
-	      geom$1.apply(new PolygonExtracter(list));
-	    }
-	    return list
-	  }
-	};
-
-	var LinearComponentExtracter = function LinearComponentExtracter () {
-	  this._lines = null;
-	  this._isForcedToLineString = false;
-	  if (arguments.length === 1) {
-	    var lines = arguments[0];
-	    this._lines = lines;
-	  } else if (arguments.length === 2) {
-	    var lines$1 = arguments[0];
-	    var isForcedToLineString = arguments[1];
-	    this._lines = lines$1;
-	    this._isForcedToLineString = isForcedToLineString;
-	  }
-	};
-	LinearComponentExtracter.prototype.filter = function filter (geom) {
-	  if (this._isForcedToLineString && geom instanceof LinearRing) {
-	    var line = geom.getFactory().createLineString(geom.getCoordinateSequence());
-	    this._lines.add(line);
-	    return null
-	  }
-	  if (geom instanceof LineString) { this._lines.add(geom); }
-	};
-	LinearComponentExtracter.prototype.setForceToLineString = function setForceToLineString (isForcedToLineString) {
-	  this._isForcedToLineString = isForcedToLineString;
-	};
-	LinearComponentExtracter.prototype.interfaces_ = function interfaces_ () {
-	  return [GeometryComponentFilter]
-	};
-	LinearComponentExtracter.prototype.getClass = function getClass () {
-	  return LinearComponentExtracter
-	};
-	LinearComponentExtracter.getGeometry = function getGeometry () {
-	  if (arguments.length === 1) {
-	    var geom = arguments[0];
-	    return geom.getFactory().buildGeometry(LinearComponentExtracter.getLines(geom))
-	  } else if (arguments.length === 2) {
-	    var geom$1 = arguments[0];
-	    var forceToLineString = arguments[1];
-	    return geom$1.getFactory().buildGeometry(LinearComponentExtracter.getLines(geom$1, forceToLineString))
-	  }
-	};
-	LinearComponentExtracter.getLines = function getLines () {
-	  if (arguments.length === 1) {
-	    var geom = arguments[0];
-	    return LinearComponentExtracter.getLines(geom, false)
-	  } else if (arguments.length === 2) {
-	    if (hasInterface(arguments[0], Collection) && hasInterface(arguments[1], Collection)) {
-	      var geoms = arguments[0];
-	      var lines$1 = arguments[1];
-	      for (var i = geoms.iterator(); i.hasNext();) {
-	        var g = i.next();
-	        LinearComponentExtracter.getLines(g, lines$1);
-	      }
-	      return lines$1
-	    } else if (arguments[0] instanceof Geometry && typeof arguments[1] === 'boolean') {
-	      var geom$1 = arguments[0];
-	      var forceToLineString = arguments[1];
-	      var lines = new ArrayList();
-	      geom$1.apply(new LinearComponentExtracter(lines, forceToLineString));
-	      return lines
-	    } else if (arguments[0] instanceof Geometry && hasInterface(arguments[1], Collection)) {
-	      var geom$2 = arguments[0];
-	      var lines$2 = arguments[1];
-	      if (geom$2 instanceof LineString) {
-	        lines$2.add(geom$2);
-	      } else {
-	        geom$2.apply(new LinearComponentExtracter(lines$2));
-	      }
-	      return lines$2
-	    }
-	  } else if (arguments.length === 3) {
-	    if (typeof arguments[2] === 'boolean' && (hasInterface(arguments[0], Collection) && hasInterface(arguments[1], Collection))) {
-	      var geoms$1 = arguments[0];
-	      var lines$3 = arguments[1];
-	      var forceToLineString$1 = arguments[2];
-	      for (var i$1 = geoms$1.iterator(); i$1.hasNext();) {
-	        var g$1 = i$1.next();
-	        LinearComponentExtracter.getLines(g$1, lines$3, forceToLineString$1);
-	      }
-	      return lines$3
-	    } else if (typeof arguments[2] === 'boolean' && (arguments[0] instanceof Geometry && hasInterface(arguments[1], Collection))) {
-	      var geom$3 = arguments[0];
-	      var lines$4 = arguments[1];
-	      var forceToLineString$2 = arguments[2];
-	      geom$3.apply(new LinearComponentExtracter(lines$4, forceToLineString$2));
-	      return lines$4
-	    }
-	  }
-	};
-
-	var PointLocator = function PointLocator () {
-	  this._boundaryRule = BoundaryNodeRule.OGC_SFS_BOUNDARY_RULE;
-	  this._isIn = null;
-	  this._numBoundaries = null;
-	  if (arguments.length === 0) ; else if (arguments.length === 1) {
-	    var boundaryRule = arguments[0];
-	    if (boundaryRule === null) { throw new IllegalArgumentException('Rule must be non-null') }
-	    this._boundaryRule = boundaryRule;
-	  }
-	};
-	PointLocator.prototype.locateInternal = function locateInternal () {
-	    var this$1 = this;
-
-	  if (arguments[0] instanceof Coordinate && arguments[1] instanceof Polygon) {
-	    var p = arguments[0];
-	    var poly = arguments[1];
-	    if (poly.isEmpty()) { return Location.EXTERIOR }
-	    var shell = poly.getExteriorRing();
-	    var shellLoc = this.locateInPolygonRing(p, shell);
-	    if (shellLoc === Location.EXTERIOR) { return Location.EXTERIOR }
-	    if (shellLoc === Location.BOUNDARY) { return Location.BOUNDARY }
-	    for (var i = 0; i < poly.getNumInteriorRing(); i++) {
-	      var hole = poly.getInteriorRingN(i);
-	      var holeLoc = this$1.locateInPolygonRing(p, hole);
-	      if (holeLoc === Location.INTERIOR) { return Location.EXTERIOR }
-	      if (holeLoc === Location.BOUNDARY) { return Location.BOUNDARY }
-	    }
-	    return Location.INTERIOR
-	  } else if (arguments[0] instanceof Coordinate && arguments[1] instanceof LineString) {
-	    var p$1 = arguments[0];
-	    var l = arguments[1];
-	    if (!l.getEnvelopeInternal().intersects(p$1)) { return Location.EXTERIOR }
-	    var pt = l.getCoordinates();
-	    if (!l.isClosed()) {
-	      if (p$1.equals(pt[0]) || p$1.equals(pt[pt.length - 1])) {
-	        return Location.BOUNDARY
-	      }
-	    }
-	    if (CGAlgorithms.isOnLine(p$1, pt)) { return Location.INTERIOR }
-	    return Location.EXTERIOR
-	  } else if (arguments[0] instanceof Coordinate && arguments[1] instanceof Point$1) {
-	    var p$2 = arguments[0];
-	    var pt$1 = arguments[1];
-	    var ptCoord = pt$1.getCoordinate();
-	    if (ptCoord.equals2D(p$2)) { return Location.INTERIOR }
-	    return Location.EXTERIOR
-	  }
-	};
-	PointLocator.prototype.locateInPolygonRing = function locateInPolygonRing (p, ring) {
-	  if (!ring.getEnvelopeInternal().intersects(p)) { return Location.EXTERIOR }
-	  return CGAlgorithms.locatePointInRing(p, ring.getCoordinates())
-	};
-	PointLocator.prototype.intersects = function intersects (p, geom) {
-	  return this.locate(p, geom) !== Location.EXTERIOR
-	};
-	PointLocator.prototype.updateLocationInfo = function updateLocationInfo (loc) {
-	  if (loc === Location.INTERIOR) { this._isIn = true; }
-	  if (loc === Location.BOUNDARY) { this._numBoundaries++; }
-	};
-	PointLocator.prototype.computeLocation = function computeLocation (p, geom) {
-	    var this$1 = this;
-
-	  if (geom instanceof Point$1) {
-	    this.updateLocationInfo(this.locateInternal(p, geom));
-	  }
-	  if (geom instanceof LineString) {
-	    this.updateLocationInfo(this.locateInternal(p, geom));
-	  } else if (geom instanceof Polygon) {
-	    this.updateLocationInfo(this.locateInternal(p, geom));
-	  } else if (geom instanceof MultiLineString) {
-	    var ml = geom;
-	    for (var i = 0; i < ml.getNumGeometries(); i++) {
-	      var l = ml.getGeometryN(i);
-	      this$1.updateLocationInfo(this$1.locateInternal(p, l));
-	    }
-	  } else if (geom instanceof MultiPolygon) {
-	    var mpoly = geom;
-	    for (var i$1 = 0; i$1 < mpoly.getNumGeometries(); i$1++) {
-	      var poly = mpoly.getGeometryN(i$1);
-	      this$1.updateLocationInfo(this$1.locateInternal(p, poly));
-	    }
-	  } else if (geom instanceof GeometryCollection) {
-	    var geomi = new GeometryCollectionIterator(geom);
-	    while (geomi.hasNext()) {
-	      var g2 = geomi.next();
-	      if (g2 !== geom) { this$1.computeLocation(p, g2); }
-	    }
-	  }
-	};
-	PointLocator.prototype.locate = function locate (p, geom) {
-	  if (geom.isEmpty()) { return Location.EXTERIOR }
-	  if (geom instanceof LineString) {
-	    return this.locateInternal(p, geom)
-	  } else if (geom instanceof Polygon) {
-	    return this.locateInternal(p, geom)
-	  }
-	  this._isIn = false;
-	  this._numBoundaries = 0;
-	  this.computeLocation(p, geom);
-	  if (this._boundaryRule.isInBoundary(this._numBoundaries)) { return Location.BOUNDARY }
-	  if (this._numBoundaries > 0 || this._isIn) { return Location.INTERIOR }
-	  return Location.EXTERIOR
-	};
-	PointLocator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	PointLocator.prototype.getClass = function getClass () {
-	  return PointLocator
-	};
-
-	var GeometryLocation = function GeometryLocation () {
-	  this._component = null;
-	  this._segIndex = null;
-	  this._pt = null;
-	  if (arguments.length === 2) {
-	    var component = arguments[0];
-	    var pt = arguments[1];
-	    GeometryLocation.call(this, component, GeometryLocation.INSIDE_AREA, pt);
-	  } else if (arguments.length === 3) {
-	    var component$1 = arguments[0];
-	    var segIndex = arguments[1];
-	    var pt$1 = arguments[2];
-	    this._component = component$1;
-	    this._segIndex = segIndex;
-	    this._pt = pt$1;
-	  }
-	};
-
-	var staticAccessors$38 = { INSIDE_AREA: { configurable: true } };
-	GeometryLocation.prototype.isInsideArea = function isInsideArea () {
-	  return this._segIndex === GeometryLocation.INSIDE_AREA
-	};
-	GeometryLocation.prototype.getCoordinate = function getCoordinate () {
-	  return this._pt
-	};
-	GeometryLocation.prototype.getGeometryComponent = function getGeometryComponent () {
-	  return this._component
-	};
-	GeometryLocation.prototype.getSegmentIndex = function getSegmentIndex () {
-	  return this._segIndex
-	};
-	GeometryLocation.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryLocation.prototype.getClass = function getClass () {
-	  return GeometryLocation
-	};
-	staticAccessors$38.INSIDE_AREA.get = function () { return -1 };
-
-	Object.defineProperties( GeometryLocation, staticAccessors$38 );
-
-	var PointExtracter = function PointExtracter (pts) {
-	  this._pts = pts || null;
-	};
-	PointExtracter.prototype.filter = function filter (geom) {
-	  if (geom instanceof Point$1) { this._pts.add(geom); }
-	};
-	PointExtracter.prototype.interfaces_ = function interfaces_ () {
-	  return [GeometryFilter]
-	};
-	PointExtracter.prototype.getClass = function getClass () {
-	  return PointExtracter
-	};
-	PointExtracter.getPoints = function getPoints () {
-	  if (arguments.length === 1) {
-	    var geom = arguments[0];
-	    if (geom instanceof Point$1) {
-	      return Collections.singletonList(geom)
-	    }
-	    return PointExtracter.getPoints(geom, new ArrayList())
-	  } else if (arguments.length === 2) {
-	    var geom$1 = arguments[0];
-	    var list = arguments[1];
-	    if (geom$1 instanceof Point$1) {
-	      list.add(geom$1);
-	    } else if (geom$1 instanceof GeometryCollection) {
-	      geom$1.apply(new PointExtracter(list));
-	    }
-	    return list
-	  }
-	};
-
-	var ConnectedElementLocationFilter = function ConnectedElementLocationFilter () {
-	  this._locations = null;
-	  var locations = arguments[0];
-	  this._locations = locations;
-	};
-	ConnectedElementLocationFilter.prototype.filter = function filter (geom) {
-	  if (geom instanceof Point$1 || geom instanceof LineString || geom instanceof Polygon) { this._locations.add(new GeometryLocation(geom, 0, geom.getCoordinate())); }
-	};
-	ConnectedElementLocationFilter.prototype.interfaces_ = function interfaces_ () {
-	  return [GeometryFilter]
-	};
-	ConnectedElementLocationFilter.prototype.getClass = function getClass () {
-	  return ConnectedElementLocationFilter
-	};
-	ConnectedElementLocationFilter.getLocations = function getLocations (geom) {
-	  var locations = new ArrayList();
-	  geom.apply(new ConnectedElementLocationFilter(locations));
-	  return locations
-	};
-
-	var DistanceOp = function DistanceOp () {
-	  this._geom = null;
-	  this._terminateDistance = 0.0;
-	  this._ptLocator = new PointLocator();
-	  this._minDistanceLocation = null;
-	  this._minDistance = Double.MAX_VALUE;
-	  if (arguments.length === 2) {
-	    var g0 = arguments[0];
-	    var g1 = arguments[1];
-	    this._geom = [g0, g1];
-	    this._terminateDistance = 0.0;
-	  } else if (arguments.length === 3) {
-	    var g0$1 = arguments[0];
-	    var g1$1 = arguments[1];
-	    var terminateDistance = arguments[2];
-	    this._geom = new Array(2).fill(null);
-	    this._geom[0] = g0$1;
-	    this._geom[1] = g1$1;
-	    this._terminateDistance = terminateDistance;
-	  }
-	};
-	DistanceOp.prototype.computeContainmentDistance = function computeContainmentDistance () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    var locPtPoly = new Array(2).fill(null);
-	    this.computeContainmentDistance(0, locPtPoly);
-	    if (this._minDistance <= this._terminateDistance) { return null }
-	    this.computeContainmentDistance(1, locPtPoly);
-	  } else if (arguments.length === 2) {
-	    var polyGeomIndex = arguments[0];
-	    var locPtPoly$1 = arguments[1];
-	    var locationsIndex = 1 - polyGeomIndex;
-	    var polys = PolygonExtracter.getPolygons(this._geom[polyGeomIndex]);
-	    if (polys.size() > 0) {
-	      var insideLocs = ConnectedElementLocationFilter.getLocations(this._geom[locationsIndex]);
-	      this.computeContainmentDistance(insideLocs, polys, locPtPoly$1);
-	      if (this._minDistance <= this._terminateDistance) {
-	        this._minDistanceLocation[locationsIndex] = locPtPoly$1[0];
-	        this._minDistanceLocation[polyGeomIndex] = locPtPoly$1[1];
-	        return null
-	      }
-	    }
-	  } else if (arguments.length === 3) {
-	    if (arguments[2] instanceof Array && (hasInterface(arguments[0], List) && hasInterface(arguments[1], List))) {
-	      var locs = arguments[0];
-	      var polys$1 = arguments[1];
-	      var locPtPoly$2 = arguments[2];
-	      for (var i = 0; i < locs.size(); i++) {
-	        var loc = locs.get(i);
-	        for (var j = 0; j < polys$1.size(); j++) {
-	          this$1.computeContainmentDistance(loc, polys$1.get(j), locPtPoly$2);
-	          if (this$1._minDistance <= this$1._terminateDistance) { return null }
-	        }
-	      }
-	    } else if (arguments[2] instanceof Array && (arguments[0] instanceof GeometryLocation && arguments[1] instanceof Polygon)) {
-	      var ptLoc = arguments[0];
-	      var poly = arguments[1];
-	      var locPtPoly$3 = arguments[2];
-	      var pt = ptLoc.getCoordinate();
-	      if (Location.EXTERIOR !== this._ptLocator.locate(pt, poly)) {
-	        this._minDistance = 0.0;
-	        locPtPoly$3[0] = ptLoc;
-	        locPtPoly$3[1] = new GeometryLocation(poly, pt);
-
-	        return null
-	      }
-	    }
-	  }
-	};
-	DistanceOp.prototype.computeMinDistanceLinesPoints = function computeMinDistanceLinesPoints (lines, points, locGeom) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < lines.size(); i++) {
-	    var line = lines.get(i);
-	    for (var j = 0; j < points.size(); j++) {
-	      var pt = points.get(j);
-	      this$1.computeMinDistance(line, pt, locGeom);
-	      if (this$1._minDistance <= this$1._terminateDistance) { return null }
-	    }
-	  }
-	};
-	DistanceOp.prototype.computeFacetDistance = function computeFacetDistance () {
-	  var locGeom = new Array(2).fill(null);
-	  var lines0 = LinearComponentExtracter.getLines(this._geom[0]);
-	  var lines1 = LinearComponentExtracter.getLines(this._geom[1]);
-	  var pts0 = PointExtracter.getPoints(this._geom[0]);
-	  var pts1 = PointExtracter.getPoints(this._geom[1]);
-	  this.computeMinDistanceLines(lines0, lines1, locGeom);
-	  this.updateMinDistance(locGeom, false);
-	  if (this._minDistance <= this._terminateDistance) { return null }
-	  locGeom[0] = null;
-	  locGeom[1] = null;
-	  this.computeMinDistanceLinesPoints(lines0, pts1, locGeom);
-	  this.updateMinDistance(locGeom, false);
-	  if (this._minDistance <= this._terminateDistance) { return null }
-	  locGeom[0] = null;
-	  locGeom[1] = null;
-	  this.computeMinDistanceLinesPoints(lines1, pts0, locGeom);
-	  this.updateMinDistance(locGeom, true);
-	  if (this._minDistance <= this._terminateDistance) { return null }
-	  locGeom[0] = null;
-	  locGeom[1] = null;
-	  this.computeMinDistancePoints(pts0, pts1, locGeom);
-	  this.updateMinDistance(locGeom, false);
-	};
-	DistanceOp.prototype.nearestLocations = function nearestLocations () {
-	  this.computeMinDistance();
-	  return this._minDistanceLocation
-	};
-	DistanceOp.prototype.updateMinDistance = function updateMinDistance (locGeom, flip) {
-	  if (locGeom[0] === null) { return null }
-	  if (flip) {
-	    this._minDistanceLocation[0] = locGeom[1];
-	    this._minDistanceLocation[1] = locGeom[0];
-	  } else {
-	    this._minDistanceLocation[0] = locGeom[0];
-	    this._minDistanceLocation[1] = locGeom[1];
-	  }
-	};
-	DistanceOp.prototype.nearestPoints = function nearestPoints () {
-	  this.computeMinDistance();
-	  var nearestPts = [this._minDistanceLocation[0].getCoordinate(), this._minDistanceLocation[1].getCoordinate()];
-	  return nearestPts
-	};
-	DistanceOp.prototype.computeMinDistance = function computeMinDistance () {
-	    var this$1 = this;
-
-	  if (arguments.length === 0) {
-	    if (this._minDistanceLocation !== null) { return null }
-	    this._minDistanceLocation = new Array(2).fill(null);
-	    this.computeContainmentDistance();
-	    if (this._minDistance <= this._terminateDistance) { return null }
-	    this.computeFacetDistance();
-	  } else if (arguments.length === 3) {
-	    if (arguments[2] instanceof Array && (arguments[0] instanceof LineString && arguments[1] instanceof Point$1)) {
-	      var line = arguments[0];
-	      var pt = arguments[1];
-	      var locGeom = arguments[2];
-	      if (line.getEnvelopeInternal().distance(pt.getEnvelopeInternal()) > this._minDistance) { return null }
-	      var coord0 = line.getCoordinates();
-	      var coord = pt.getCoordinate();
-	      for (var i = 0; i < coord0.length - 1; i++) {
-	        var dist = CGAlgorithms.distancePointLine(coord, coord0[i], coord0[i + 1]);
-	        if (dist < this$1._minDistance) {
-	          this$1._minDistance = dist;
-	          var seg = new LineSegment(coord0[i], coord0[i + 1]);
-	          var segClosestPoint = seg.closestPoint(coord);
-	          locGeom[0] = new GeometryLocation(line, i, segClosestPoint);
-	          locGeom[1] = new GeometryLocation(pt, 0, coord);
-	        }
-	        if (this$1._minDistance <= this$1._terminateDistance) { return null }
-	      }
-	    } else if (arguments[2] instanceof Array && (arguments[0] instanceof LineString && arguments[1] instanceof LineString)) {
-	      var line0 = arguments[0];
-	      var line1 = arguments[1];
-	      var locGeom$1 = arguments[2];
-	      if (line0.getEnvelopeInternal().distance(line1.getEnvelopeInternal()) > this._minDistance) { return null }
-	      var coord0$1 = line0.getCoordinates();
-	      var coord1 = line1.getCoordinates();
-	      for (var i$1 = 0; i$1 < coord0$1.length - 1; i$1++) {
-	        for (var j = 0; j < coord1.length - 1; j++) {
-	          var dist$1 = CGAlgorithms.distanceLineLine(coord0$1[i$1], coord0$1[i$1 + 1], coord1[j], coord1[j + 1]);
-	          if (dist$1 < this$1._minDistance) {
-	            this$1._minDistance = dist$1;
-	            var seg0 = new LineSegment(coord0$1[i$1], coord0$1[i$1 + 1]);
-	            var seg1 = new LineSegment(coord1[j], coord1[j + 1]);
-	            var closestPt = seg0.closestPoints(seg1);
-	            locGeom$1[0] = new GeometryLocation(line0, i$1, closestPt[0]);
-	            locGeom$1[1] = new GeometryLocation(line1, j, closestPt[1]);
-	          }
-	          if (this$1._minDistance <= this$1._terminateDistance) { return null }
-	        }
-	      }
-	    }
-	  }
-	};
-	DistanceOp.prototype.computeMinDistancePoints = function computeMinDistancePoints (points0, points1, locGeom) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < points0.size(); i++) {
-	    var pt0 = points0.get(i);
-	    for (var j = 0; j < points1.size(); j++) {
-	      var pt1 = points1.get(j);
-	      var dist = pt0.getCoordinate().distance(pt1.getCoordinate());
-	      if (dist < this$1._minDistance) {
-	        this$1._minDistance = dist;
-	        locGeom[0] = new GeometryLocation(pt0, 0, pt0.getCoordinate());
-	        locGeom[1] = new GeometryLocation(pt1, 0, pt1.getCoordinate());
-	      }
-	      if (this$1._minDistance <= this$1._terminateDistance) { return null }
-	    }
-	  }
-	};
-	DistanceOp.prototype.distance = function distance () {
-	  if (this._geom[0] === null || this._geom[1] === null) { throw new IllegalArgumentException('null geometries are not supported') }
-	  if (this._geom[0].isEmpty() || this._geom[1].isEmpty()) { return 0.0 }
-	  this.computeMinDistance();
-	  return this._minDistance
-	};
-	DistanceOp.prototype.computeMinDistanceLines = function computeMinDistanceLines (lines0, lines1, locGeom) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < lines0.size(); i++) {
-	    var line0 = lines0.get(i);
-	    for (var j = 0; j < lines1.size(); j++) {
-	      var line1 = lines1.get(j);
-	      this$1.computeMinDistance(line0, line1, locGeom);
-	      if (this$1._minDistance <= this$1._terminateDistance) { return null }
-	    }
-	  }
-	};
-	DistanceOp.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	DistanceOp.prototype.getClass = function getClass () {
-	  return DistanceOp
-	};
-	DistanceOp.distance = function distance (g0, g1) {
-	  var distOp = new DistanceOp(g0, g1);
-	  return distOp.distance()
-	};
-	DistanceOp.isWithinDistance = function isWithinDistance (g0, g1, distance) {
-	  var distOp = new DistanceOp(g0, g1, distance);
-	  return distOp.distance() <= distance
-	};
-	DistanceOp.nearestPoints = function nearestPoints (g0, g1) {
-	  var distOp = new DistanceOp(g0, g1);
-	  return distOp.nearestPoints()
-	};
-
-	var PointPairDistance$2 = function PointPairDistance () {
-	  this._pt = [new Coordinate(), new Coordinate()];
-	  this._distance = Double.NaN;
-	  this._isNull = true;
-	};
-	PointPairDistance$2.prototype.getCoordinates = function getCoordinates () {
-	  return this._pt
-	};
-	PointPairDistance$2.prototype.getCoordinate = function getCoordinate (i) {
-	  return this._pt[i]
-	};
-	PointPairDistance$2.prototype.setMinimum = function setMinimum () {
-	  if (arguments.length === 1) {
-	    var ptDist = arguments[0];
-	    this.setMinimum(ptDist._pt[0], ptDist._pt[1]);
-	  } else if (arguments.length === 2) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    if (this._isNull) {
-	      this.initialize(p0, p1);
-	      return null
-	    }
-	    var dist = p0.distance(p1);
-	    if (dist < this._distance) { this.initialize(p0, p1, dist); }
-	  }
-	};
-	PointPairDistance$2.prototype.initialize = function initialize () {
-	  if (arguments.length === 0) {
-	    this._isNull = true;
-	  } else if (arguments.length === 2) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    this._pt[0].setCoordinate(p0);
-	    this._pt[1].setCoordinate(p1);
-	    this._distance = p0.distance(p1);
-	    this._isNull = false;
-	  } else if (arguments.length === 3) {
-	    var p0$1 = arguments[0];
-	    var p1$1 = arguments[1];
-	    var distance = arguments[2];
-	    this._pt[0].setCoordinate(p0$1);
-	    this._pt[1].setCoordinate(p1$1);
-	    this._distance = distance;
-	    this._isNull = false;
-	  }
-	};
-	PointPairDistance$2.prototype.toString = function toString () {
-	  return WKTWriter.toLineString(this._pt[0], this._pt[1])
-	};
-	PointPairDistance$2.prototype.getDistance = function getDistance () {
-	  return this._distance
-	};
-	PointPairDistance$2.prototype.setMaximum = function setMaximum () {
-	  if (arguments.length === 1) {
-	    var ptDist = arguments[0];
-	    this.setMaximum(ptDist._pt[0], ptDist._pt[1]);
-	  } else if (arguments.length === 2) {
-	    var p0 = arguments[0];
-	    var p1 = arguments[1];
-	    if (this._isNull) {
-	      this.initialize(p0, p1);
-	      return null
-	    }
-	    var dist = p0.distance(p1);
-	    if (dist > this._distance) { this.initialize(p0, p1, dist); }
-	  }
-	};
-	PointPairDistance$2.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	PointPairDistance$2.prototype.getClass = function getClass () {
-	  return PointPairDistance$2
-	};
-
-	var DistanceToPoint = function DistanceToPoint () {};
-
-	DistanceToPoint.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	DistanceToPoint.prototype.getClass = function getClass () {
-	  return DistanceToPoint
-	};
-	DistanceToPoint.computeDistance = function computeDistance () {
-	  if (arguments[2] instanceof PointPairDistance$2 && (arguments[0] instanceof LineString && arguments[1] instanceof Coordinate)) {
-	    var line = arguments[0];
-	    var pt = arguments[1];
-	    var ptDist = arguments[2];
-	    var tempSegment = new LineSegment();
-	    var coords = line.getCoordinates();
-	    for (var i = 0; i < coords.length - 1; i++) {
-	      tempSegment.setCoordinates(coords[i], coords[i + 1]);
-	      var closestPt = tempSegment.closestPoint(pt);
-	      ptDist.setMinimum(closestPt, pt);
-	    }
-	  } else if (arguments[2] instanceof PointPairDistance$2 && (arguments[0] instanceof Polygon && arguments[1] instanceof Coordinate)) {
-	    var poly = arguments[0];
-	    var pt$1 = arguments[1];
-	    var ptDist$1 = arguments[2];
-	    DistanceToPoint.computeDistance(poly.getExteriorRing(), pt$1, ptDist$1);
-	    for (var i$1 = 0; i$1 < poly.getNumInteriorRing(); i$1++) {
-	      DistanceToPoint.computeDistance(poly.getInteriorRingN(i$1), pt$1, ptDist$1);
-	    }
-	  } else if (arguments[2] instanceof PointPairDistance$2 && (arguments[0] instanceof Geometry && arguments[1] instanceof Coordinate)) {
-	    var geom = arguments[0];
-	    var pt$2 = arguments[1];
-	    var ptDist$2 = arguments[2];
-	    if (geom instanceof LineString) {
-	      DistanceToPoint.computeDistance(geom, pt$2, ptDist$2);
-	    } else if (geom instanceof Polygon) {
-	      DistanceToPoint.computeDistance(geom, pt$2, ptDist$2);
-	    } else if (geom instanceof GeometryCollection) {
-	      var gc = geom;
-	      for (var i$2 = 0; i$2 < gc.getNumGeometries(); i$2++) {
-	        var g = gc.getGeometryN(i$2);
-	        DistanceToPoint.computeDistance(g, pt$2, ptDist$2);
-	      }
-	    } else {
-	      ptDist$2.setMinimum(geom.getCoordinate(), pt$2);
-	    }
-	  } else if (arguments[2] instanceof PointPairDistance$2 && (arguments[0] instanceof LineSegment && arguments[1] instanceof Coordinate)) {
-	    var segment = arguments[0];
-	    var pt$3 = arguments[1];
-	    var ptDist$3 = arguments[2];
-	    var closestPt$1 = segment.closestPoint(pt$3);
-	    ptDist$3.setMinimum(closestPt$1, pt$3);
-	  }
-	};
-
-	var DiscreteHausdorffDistance = function DiscreteHausdorffDistance () {
-	  this._g0 = null;
-	  this._g1 = null;
-	  this._ptDist = new PointPairDistance$2();
-	  this._densifyFrac = 0.0;
-	  var g0 = arguments[0];
-	  var g1 = arguments[1];
-	  this._g0 = g0;
-	  this._g1 = g1;
-	};
-
-	var staticAccessors$39 = { MaxPointDistanceFilter: { configurable: true },MaxDensifiedByFractionDistanceFilter: { configurable: true } };
-	DiscreteHausdorffDistance.prototype.getCoordinates = function getCoordinates () {
-	  return this._ptDist.getCoordinates()
-	};
-	DiscreteHausdorffDistance.prototype.setDensifyFraction = function setDensifyFraction (densifyFrac) {
-	  if (densifyFrac > 1.0 || densifyFrac <= 0.0) { throw new IllegalArgumentException('Fraction is not in range (0.0 - 1.0]') }
-	  this._densifyFrac = densifyFrac;
-	};
-	DiscreteHausdorffDistance.prototype.compute = function compute (g0, g1) {
-	  this.computeOrientedDistance(g0, g1, this._ptDist);
-	  this.computeOrientedDistance(g1, g0, this._ptDist);
-	};
-	DiscreteHausdorffDistance.prototype.distance = function distance () {
-	  this.compute(this._g0, this._g1);
-	  return this._ptDist.getDistance()
-	};
-	DiscreteHausdorffDistance.prototype.computeOrientedDistance = function computeOrientedDistance (discreteGeom, geom, ptDist) {
-	  var distFilter = new MaxPointDistanceFilter$1(geom);
-	  discreteGeom.apply(distFilter);
-	  ptDist.setMaximum(distFilter.getMaxPointDistance());
-	  if (this._densifyFrac > 0) {
-	    var fracFilter = new MaxDensifiedByFractionDistanceFilter(geom, this._densifyFrac);
-	    discreteGeom.apply(fracFilter);
-	    ptDist.setMaximum(fracFilter.getMaxPointDistance());
-	  }
-	};
-	DiscreteHausdorffDistance.prototype.orientedDistance = function orientedDistance () {
-	  this.computeOrientedDistance(this._g0, this._g1, this._ptDist);
-	  return this._ptDist.getDistance()
-	};
-	DiscreteHausdorffDistance.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	DiscreteHausdorffDistance.prototype.getClass = function getClass () {
-	  return DiscreteHausdorffDistance
-	};
-	DiscreteHausdorffDistance.distance = function distance () {
-	  if (arguments.length === 2) {
-	    var g0 = arguments[0];
-	    var g1 = arguments[1];
-	    var dist = new DiscreteHausdorffDistance(g0, g1);
-	    return dist.distance()
-	  } else if (arguments.length === 3) {
-	    var g0$1 = arguments[0];
-	    var g1$1 = arguments[1];
-	    var densifyFrac = arguments[2];
-	    var dist$1 = new DiscreteHausdorffDistance(g0$1, g1$1);
-	    dist$1.setDensifyFraction(densifyFrac);
-	    return dist$1.distance()
-	  }
-	};
-	staticAccessors$39.MaxPointDistanceFilter.get = function () { return MaxPointDistanceFilter$1 };
-	staticAccessors$39.MaxDensifiedByFractionDistanceFilter.get = function () { return MaxDensifiedByFractionDistanceFilter };
-
-	Object.defineProperties( DiscreteHausdorffDistance, staticAccessors$39 );
-
-	var MaxPointDistanceFilter$1 = function MaxPointDistanceFilter () {
-	  this._maxPtDist = new PointPairDistance$2();
-	  this._minPtDist = new PointPairDistance$2();
-	  this._euclideanDist = new DistanceToPoint();
-	  this._geom = null;
-	  var geom = arguments[0];
-	  this._geom = geom;
-	};
-	MaxPointDistanceFilter$1.prototype.filter = function filter (pt) {
-	  this._minPtDist.initialize();
-	  DistanceToPoint.computeDistance(this._geom, pt, this._minPtDist);
-	  this._maxPtDist.setMaximum(this._minPtDist);
-	};
-	MaxPointDistanceFilter$1.prototype.getMaxPointDistance = function getMaxPointDistance () {
-	  return this._maxPtDist
-	};
-	MaxPointDistanceFilter$1.prototype.interfaces_ = function interfaces_ () {
-	  return [CoordinateFilter]
-	};
-	MaxPointDistanceFilter$1.prototype.getClass = function getClass () {
-	  return MaxPointDistanceFilter$1
-	};
-
-	var MaxDensifiedByFractionDistanceFilter = function MaxDensifiedByFractionDistanceFilter () {
-	  this._maxPtDist = new PointPairDistance$2();
-	  this._minPtDist = new PointPairDistance$2();
-	  this._geom = null;
-	  this._numSubSegs = 0;
-	  var geom = arguments[0];
-	  var fraction = arguments[1];
-	  this._geom = geom;
-	  this._numSubSegs = Math.trunc(Math.round(1.0 / fraction));
-	};
-	MaxDensifiedByFractionDistanceFilter.prototype.filter = function filter (seq, index) {
-	    var this$1 = this;
-
-	  if (index === 0) { return null }
-	  var p0 = seq.getCoordinate(index - 1);
-	  var p1 = seq.getCoordinate(index);
-	  var delx = (p1.x - p0.x) / this._numSubSegs;
-	  var dely = (p1.y - p0.y) / this._numSubSegs;
-	  for (var i = 0; i < this._numSubSegs; i++) {
-	    var x = p0.x + i * delx;
-	    var y = p0.y + i * dely;
-	    var pt = new Coordinate(x, y);
-	    this$1._minPtDist.initialize();
-	    DistanceToPoint.computeDistance(this$1._geom, pt, this$1._minPtDist);
-	    this$1._maxPtDist.setMaximum(this$1._minPtDist);
-	  }
-	};
-	MaxDensifiedByFractionDistanceFilter.prototype.isDone = function isDone () {
-	  return false
-	};
-	MaxDensifiedByFractionDistanceFilter.prototype.isGeometryChanged = function isGeometryChanged () {
-	  return false
-	};
-	MaxDensifiedByFractionDistanceFilter.prototype.getMaxPointDistance = function getMaxPointDistance () {
-	  return this._maxPtDist
-	};
-	MaxDensifiedByFractionDistanceFilter.prototype.interfaces_ = function interfaces_ () {
-	  return [CoordinateSequenceFilter]
-	};
-	MaxDensifiedByFractionDistanceFilter.prototype.getClass = function getClass () {
-	  return MaxDensifiedByFractionDistanceFilter
-	};
-
-	var BufferDistanceValidator = function BufferDistanceValidator (input, bufDistance, result) {
-	  this._minValidDistance = null;
-	  this._maxValidDistance = null;
-	  this._minDistanceFound = null;
-	  this._maxDistanceFound = null;
-	  this._isValid = true;
-	  this._errMsg = null;
-	  this._errorLocation = null;
-	  this._errorIndicator = null;
-	  this._input = input || null;
-	  this._bufDistance = bufDistance || null;
-	  this._result = result || null;
-	};
-
-	var staticAccessors$37 = { VERBOSE: { configurable: true },MAX_DISTANCE_DIFF_FRAC: { configurable: true } };
-	BufferDistanceValidator.prototype.checkMaximumDistance = function checkMaximumDistance (input, bufCurve, maxDist) {
-	  var haus = new DiscreteHausdorffDistance(bufCurve, input);
-	  haus.setDensifyFraction(0.25);
-	  this._maxDistanceFound = haus.orientedDistance();
-	  if (this._maxDistanceFound > maxDist) {
-	    this._isValid = false;
-	    var pts = haus.getCoordinates();
-	    this._errorLocation = pts[1];
-	    this._errorIndicator = input.getFactory().createLineString(pts);
-	    this._errMsg = 'Distance between buffer curve and input is too large (' + this._maxDistanceFound + ' at ' + WKTWriter.toLineString(pts[0], pts[1]) + ')';
-	  }
-	};
-	BufferDistanceValidator.prototype.isValid = function isValid () {
-	  var posDistance = Math.abs(this._bufDistance);
-	  var distDelta = BufferDistanceValidator.MAX_DISTANCE_DIFF_FRAC * posDistance;
-	  this._minValidDistance = posDistance - distDelta;
-	  this._maxValidDistance = posDistance + distDelta;
-	  if (this._input.isEmpty() || this._result.isEmpty()) { return true }
-	  if (this._bufDistance > 0.0) {
-	    this.checkPositiveValid();
-	  } else {
-	    this.checkNegativeValid();
-	  }
-	  if (BufferDistanceValidator.VERBOSE) {
-	    System.out.println('Min Dist= ' + this._minDistanceFound + '  err= ' + (1.0 - this._minDistanceFound / this._bufDistance) + '  Max Dist= ' + this._maxDistanceFound + '  err= ' + (this._maxDistanceFound / this._bufDistance - 1.0));
-	  }
-	  return this._isValid
-	};
-	BufferDistanceValidator.prototype.checkNegativeValid = function checkNegativeValid () {
-	  if (!(this._input instanceof Polygon || this._input instanceof MultiPolygon || this._input instanceof GeometryCollection)) {
-	    return null
-	  }
-	  var inputCurve = this.getPolygonLines(this._input);
-	  this.checkMinimumDistance(inputCurve, this._result, this._minValidDistance);
-	  if (!this._isValid) { return null }
-	  this.checkMaximumDistance(inputCurve, this._result, this._maxValidDistance);
-	};
-	BufferDistanceValidator.prototype.getErrorIndicator = function getErrorIndicator () {
-	  return this._errorIndicator
-	};
-	BufferDistanceValidator.prototype.checkMinimumDistance = function checkMinimumDistance (g1, g2, minDist) {
-	  var distOp = new DistanceOp(g1, g2, minDist);
-	  this._minDistanceFound = distOp.distance();
-	  if (this._minDistanceFound < minDist) {
-	    this._isValid = false;
-	    var pts = distOp.nearestPoints();
-	    this._errorLocation = distOp.nearestPoints()[1];
-	    this._errorIndicator = g1.getFactory().createLineString(pts);
-	    this._errMsg = 'Distance between buffer curve and input is too small (' + this._minDistanceFound + ' at ' + WKTWriter.toLineString(pts[0], pts[1]) + ' )';
-	  }
-	};
-	BufferDistanceValidator.prototype.checkPositiveValid = function checkPositiveValid () {
-	  var bufCurve = this._result.getBoundary();
-	  this.checkMinimumDistance(this._input, bufCurve, this._minValidDistance);
-	  if (!this._isValid) { return null }
-	  this.checkMaximumDistance(this._input, bufCurve, this._maxValidDistance);
-	};
-	BufferDistanceValidator.prototype.getErrorLocation = function getErrorLocation () {
-	  return this._errorLocation
-	};
-	BufferDistanceValidator.prototype.getPolygonLines = function getPolygonLines (g) {
-	  var lines = new ArrayList();
-	  var lineExtracter = new LinearComponentExtracter(lines);
-	  var polys = PolygonExtracter.getPolygons(g);
-	  for (var i = polys.iterator(); i.hasNext();) {
-	    var poly = i.next();
-	    poly.apply(lineExtracter);
-	  }
-	  return g.getFactory().buildGeometry(lines)
-	};
-	BufferDistanceValidator.prototype.getErrorMessage = function getErrorMessage () {
-	  return this._errMsg
-	};
-	BufferDistanceValidator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BufferDistanceValidator.prototype.getClass = function getClass () {
-	  return BufferDistanceValidator
-	};
-	staticAccessors$37.VERBOSE.get = function () { return false };
-	staticAccessors$37.MAX_DISTANCE_DIFF_FRAC.get = function () { return 0.012 };
-
-	Object.defineProperties( BufferDistanceValidator, staticAccessors$37 );
-
-	var BufferResultValidator = function BufferResultValidator (input, distance, result) {
-	  this._isValid = true;
-	  this._errorMsg = null;
-	  this._errorLocation = null;
-	  this._errorIndicator = null;
-	  this._input = input || null;
-	  this._distance = distance || null;
-	  this._result = result || null;
-	};
-
-	var staticAccessors$40 = { VERBOSE: { configurable: true },MAX_ENV_DIFF_FRAC: { configurable: true } };
-	BufferResultValidator.prototype.isValid = function isValid () {
-	  this.checkPolygonal();
-	  if (!this._isValid) { return this._isValid }
-	  this.checkExpectedEmpty();
-	  if (!this._isValid) { return this._isValid }
-	  this.checkEnvelope();
-	  if (!this._isValid) { return this._isValid }
-	  this.checkArea();
-	  if (!this._isValid) { return this._isValid }
-	  this.checkDistance();
-	  return this._isValid
-	};
-	BufferResultValidator.prototype.checkEnvelope = function checkEnvelope () {
-	  if (this._distance < 0.0) { return null }
-	  var padding = this._distance * BufferResultValidator.MAX_ENV_DIFF_FRAC;
-	  if (padding === 0.0) { padding = 0.001; }
-	  var expectedEnv = new Envelope(this._input.getEnvelopeInternal());
-	  expectedEnv.expandBy(this._distance);
-	  var bufEnv = new Envelope(this._result.getEnvelopeInternal());
-	  bufEnv.expandBy(padding);
-	  if (!bufEnv.contains(expectedEnv)) {
-	    this._isValid = false;
-	    this._errorMsg = 'Buffer envelope is incorrect';
-	    this._errorIndicator = this._input.getFactory().toGeometry(bufEnv);
-	  }
-	  this.report('Envelope');
-	};
-	BufferResultValidator.prototype.checkDistance = function checkDistance () {
-	  var distValid = new BufferDistanceValidator(this._input, this._distance, this._result);
-	  if (!distValid.isValid()) {
-	    this._isValid = false;
-	    this._errorMsg = distValid.getErrorMessage();
-	    this._errorLocation = distValid.getErrorLocation();
-	    this._errorIndicator = distValid.getErrorIndicator();
-	  }
-	  this.report('Distance');
-	};
-	BufferResultValidator.prototype.checkArea = function checkArea () {
-	  var inputArea = this._input.getArea();
-	  var resultArea = this._result.getArea();
-	  if (this._distance > 0.0 && inputArea > resultArea) {
-	    this._isValid = false;
-	    this._errorMsg = 'Area of positive buffer is smaller than input';
-	    this._errorIndicator = this._result;
-	  }
-	  if (this._distance < 0.0 && inputArea < resultArea) {
-	    this._isValid = false;
-	    this._errorMsg = 'Area of negative buffer is larger than input';
-	    this._errorIndicator = this._result;
-	  }
-	  this.report('Area');
-	};
-	BufferResultValidator.prototype.checkPolygonal = function checkPolygonal () {
-	  if (!(this._result instanceof Polygon || this._result instanceof MultiPolygon)) { this._isValid = false; }
-	  this._errorMsg = 'Result is not polygonal';
-	  this._errorIndicator = this._result;
-	  this.report('Polygonal');
-	};
-	BufferResultValidator.prototype.getErrorIndicator = function getErrorIndicator () {
-	  return this._errorIndicator
-	};
-	BufferResultValidator.prototype.getErrorLocation = function getErrorLocation () {
-	  return this._errorLocation
-	};
-	BufferResultValidator.prototype.checkExpectedEmpty = function checkExpectedEmpty () {
-	  if (this._input.getDimension() >= 2) { return null }
-	  if (this._distance > 0.0) { return null }
-	  if (!this._result.isEmpty()) {
-	    this._isValid = false;
-	    this._errorMsg = 'Result is non-empty';
-	    this._errorIndicator = this._result;
-	  }
-	  this.report('ExpectedEmpty');
-	};
-	BufferResultValidator.prototype.report = function report (checkName) {
-	  if (!BufferResultValidator.VERBOSE) { return null }
-	  System.out.println('Check ' + checkName + ': ' + (this._isValid ? 'passed' : 'FAILED'));
-	};
-	BufferResultValidator.prototype.getErrorMessage = function getErrorMessage () {
-	  return this._errorMsg
-	};
-	BufferResultValidator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	BufferResultValidator.prototype.getClass = function getClass () {
-	  return BufferResultValidator
-	};
-	BufferResultValidator.isValidMsg = function isValidMsg (g, distance, result) {
-	  var validator = new BufferResultValidator(g, distance, result);
-	  if (!validator.isValid()) { return validator.getErrorMessage() }
-	  return null
-	};
-	BufferResultValidator.isValid = function isValid (g, distance, result) {
-	  var validator = new BufferResultValidator(g, distance, result);
-	  if (validator.isValid()) { return true }
-	  return false
-	};
-	staticAccessors$40.VERBOSE.get = function () { return false };
-	staticAccessors$40.MAX_ENV_DIFF_FRAC.get = function () { return 0.012 };
-
-	Object.defineProperties( BufferResultValidator, staticAccessors$40 );
-
-	// operation.buffer
-
-	var BasicSegmentString = function BasicSegmentString () {
-	  this._pts = null;
-	  this._data = null;
-	  var pts = arguments[0];
-	  var data = arguments[1];
-	  this._pts = pts;
-	  this._data = data;
-	};
-	BasicSegmentString.prototype.getCoordinates = function getCoordinates () {
-	  return this._pts
-	};
-	BasicSegmentString.prototype.size = function size () {
-	  return this._pts.length
-	};
-	BasicSegmentString.prototype.getCoordinate = function getCoordinate (i) {
-	  return this._pts[i]
-	};
-	BasicSegmentString.prototype.isClosed = function isClosed () {
-	  return this._pts[0].equals(this._pts[this._pts.length - 1])
-	};
-	BasicSegmentString.prototype.getSegmentOctant = function getSegmentOctant (index) {
-	  if (index === this._pts.length - 1) { return -1 }
-	  return Octant.octant(this.getCoordinate(index), this.getCoordinate(index + 1))
-	};
-	BasicSegmentString.prototype.setData = function setData (data) {
-	  this._data = data;
-	};
-	BasicSegmentString.prototype.getData = function getData () {
-	  return this._data
-	};
-	BasicSegmentString.prototype.toString = function toString () {
-	  return WKTWriter.toLineString(new CoordinateArraySequence(this._pts))
-	};
-	BasicSegmentString.prototype.interfaces_ = function interfaces_ () {
-	  return [SegmentString]
-	};
-	BasicSegmentString.prototype.getClass = function getClass () {
-	  return BasicSegmentString
-	};
-
-	var InteriorIntersectionFinder = function InteriorIntersectionFinder () {
-	  this._findAllIntersections = false;
-	  this._isCheckEndSegmentsOnly = false;
-	  this._li = null;
-	  this._interiorIntersection = null;
-	  this._intSegments = null;
-	  this._intersections = new ArrayList();
-	  this._intersectionCount = 0;
-	  this._keepIntersections = true;
-	  var li = arguments[0];
-	  this._li = li;
-	  this._interiorIntersection = null;
-	};
-	InteriorIntersectionFinder.prototype.getInteriorIntersection = function getInteriorIntersection () {
-	  return this._interiorIntersection
-	};
-	InteriorIntersectionFinder.prototype.setCheckEndSegmentsOnly = function setCheckEndSegmentsOnly (isCheckEndSegmentsOnly) {
-	  this._isCheckEndSegmentsOnly = isCheckEndSegmentsOnly;
-	};
-	InteriorIntersectionFinder.prototype.getIntersectionSegments = function getIntersectionSegments () {
-	  return this._intSegments
-	};
-	InteriorIntersectionFinder.prototype.count = function count () {
-	  return this._intersectionCount
-	};
-	InteriorIntersectionFinder.prototype.getIntersections = function getIntersections () {
-	  return this._intersections
-	};
-	InteriorIntersectionFinder.prototype.setFindAllIntersections = function setFindAllIntersections (findAllIntersections) {
-	  this._findAllIntersections = findAllIntersections;
-	};
-	InteriorIntersectionFinder.prototype.setKeepIntersections = function setKeepIntersections (keepIntersections) {
-	  this._keepIntersections = keepIntersections;
-	};
-	InteriorIntersectionFinder.prototype.processIntersections = function processIntersections (e0, segIndex0, e1, segIndex1) {
-	  if (!this._findAllIntersections && this.hasIntersection()) { return null }
-	  if (e0 === e1 && segIndex0 === segIndex1) { return null }
-	  if (this._isCheckEndSegmentsOnly) {
-	    var isEndSegPresent = this.isEndSegment(e0, segIndex0) || this.isEndSegment(e1, segIndex1);
-	    if (!isEndSegPresent) { return null }
-	  }
-	  var p00 = e0.getCoordinates()[segIndex0];
-	  var p01 = e0.getCoordinates()[segIndex0 + 1];
-	  var p10 = e1.getCoordinates()[segIndex1];
-	  var p11 = e1.getCoordinates()[segIndex1 + 1];
-	  this._li.computeIntersection(p00, p01, p10, p11);
-	  if (this._li.hasIntersection()) {
-	    if (this._li.isInteriorIntersection()) {
-	      this._intSegments = new Array(4).fill(null);
-	      this._intSegments[0] = p00;
-	      this._intSegments[1] = p01;
-	      this._intSegments[2] = p10;
-	      this._intSegments[3] = p11;
-	      this._interiorIntersection = this._li.getIntersection(0);
-	      if (this._keepIntersections) { this._intersections.add(this._interiorIntersection); }
-	      this._intersectionCount++;
-	    }
-	  }
-	};
-	InteriorIntersectionFinder.prototype.isEndSegment = function isEndSegment (segStr, index) {
-	  if (index === 0) { return true }
-	  if (index >= segStr.size() - 2) { return true }
-	  return false
-	};
-	InteriorIntersectionFinder.prototype.hasIntersection = function hasIntersection () {
-	  return this._interiorIntersection !== null
-	};
-	InteriorIntersectionFinder.prototype.isDone = function isDone () {
-	  if (this._findAllIntersections) { return false }
-	  return this._interiorIntersection !== null
-	};
-	InteriorIntersectionFinder.prototype.interfaces_ = function interfaces_ () {
-	  return [SegmentIntersector]
-	};
-	InteriorIntersectionFinder.prototype.getClass = function getClass () {
-	  return InteriorIntersectionFinder
-	};
-	InteriorIntersectionFinder.createAllIntersectionsFinder = function createAllIntersectionsFinder (li) {
-	  var finder = new InteriorIntersectionFinder(li);
-	  finder.setFindAllIntersections(true);
-	  return finder
-	};
-	InteriorIntersectionFinder.createAnyIntersectionFinder = function createAnyIntersectionFinder (li) {
-	  return new InteriorIntersectionFinder(li)
-	};
-	InteriorIntersectionFinder.createIntersectionCounter = function createIntersectionCounter (li) {
-	  var finder = new InteriorIntersectionFinder(li);
-	  finder.setFindAllIntersections(true);
-	  finder.setKeepIntersections(false);
-	  return finder
-	};
-
-	var FastNodingValidator = function FastNodingValidator () {
-	  this._li = new RobustLineIntersector();
-	  this._segStrings = null;
-	  this._findAllIntersections = false;
-	  this._segInt = null;
-	  this._isValid = true;
-	  var segStrings = arguments[0];
-	  this._segStrings = segStrings;
-	};
-	FastNodingValidator.prototype.execute = function execute () {
-	  if (this._segInt !== null) { return null }
-	  this.checkInteriorIntersections();
-	};
-	FastNodingValidator.prototype.getIntersections = function getIntersections () {
-	  return this._segInt.getIntersections()
-	};
-	FastNodingValidator.prototype.isValid = function isValid () {
-	  this.execute();
-	  return this._isValid
-	};
-	FastNodingValidator.prototype.setFindAllIntersections = function setFindAllIntersections (findAllIntersections) {
-	  this._findAllIntersections = findAllIntersections;
-	};
-	FastNodingValidator.prototype.checkInteriorIntersections = function checkInteriorIntersections () {
-	  this._isValid = true;
-	  this._segInt = new InteriorIntersectionFinder(this._li);
-	  this._segInt.setFindAllIntersections(this._findAllIntersections);
-	  var noder = new MCIndexNoder();
-	  noder.setSegmentIntersector(this._segInt);
-	  noder.computeNodes(this._segStrings);
-	  if (this._segInt.hasIntersection()) {
-	    this._isValid = false;
-	    return null
-	  }
-	};
-	FastNodingValidator.prototype.checkValid = function checkValid () {
-	  this.execute();
-	  if (!this._isValid) { throw new TopologyException(this.getErrorMessage(), this._segInt.getInteriorIntersection()) }
-	};
-	FastNodingValidator.prototype.getErrorMessage = function getErrorMessage () {
-	  if (this._isValid) { return 'no intersections found' }
-	  var intSegs = this._segInt.getIntersectionSegments();
-	  return 'found non-noded intersection between ' + WKTWriter.toLineString(intSegs[0], intSegs[1]) + ' and ' + WKTWriter.toLineString(intSegs[2], intSegs[3])
-	};
-	FastNodingValidator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	FastNodingValidator.prototype.getClass = function getClass () {
-	  return FastNodingValidator
-	};
-	FastNodingValidator.computeIntersections = function computeIntersections (segStrings) {
-	  var nv = new FastNodingValidator(segStrings);
-	  nv.setFindAllIntersections(true);
-	  nv.isValid();
-	  return nv.getIntersections()
-	};
-
-	var EdgeNodingValidator = function EdgeNodingValidator () {
-	  this._nv = null;
-	  var edges = arguments[0];
-	  this._nv = new FastNodingValidator(EdgeNodingValidator.toSegmentStrings(edges));
-	};
-	EdgeNodingValidator.prototype.checkValid = function checkValid () {
-	  this._nv.checkValid();
-	};
-	EdgeNodingValidator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	EdgeNodingValidator.prototype.getClass = function getClass () {
-	  return EdgeNodingValidator
-	};
-	EdgeNodingValidator.toSegmentStrings = function toSegmentStrings (edges) {
-	  var segStrings = new ArrayList();
-	  for (var i = edges.iterator(); i.hasNext();) {
-	    var e = i.next();
-	    segStrings.add(new BasicSegmentString(e.getCoordinates(), e));
-	  }
-	  return segStrings
-	};
-	EdgeNodingValidator.checkValid = function checkValid (edges) {
-	  var validator = new EdgeNodingValidator(edges);
-	  validator.checkValid();
-	};
-
-	var GeometryCollectionMapper = function GeometryCollectionMapper (mapOp) {
-	  this._mapOp = mapOp;
-	};
-	GeometryCollectionMapper.prototype.map = function map (gc) {
-	    var this$1 = this;
-
-	  var mapped = new ArrayList();
-	  for (var i = 0; i < gc.getNumGeometries(); i++) {
-	    var g = this$1._mapOp.map(gc.getGeometryN(i));
-	    if (!g.isEmpty()) { mapped.add(g); }
-	  }
-	  return gc.getFactory().createGeometryCollection(GeometryFactory.toGeometryArray(mapped))
-	};
-	GeometryCollectionMapper.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryCollectionMapper.prototype.getClass = function getClass () {
-	  return GeometryCollectionMapper
-	};
-	GeometryCollectionMapper.map = function map (gc, op) {
-	  var mapper = new GeometryCollectionMapper(op);
-	  return mapper.map(gc)
-	};
-
-	var LineBuilder = function LineBuilder () {
-	  this._op = null;
-	  this._geometryFactory = null;
-	  this._ptLocator = null;
-	  this._lineEdgesList = new ArrayList();
-	  this._resultLineList = new ArrayList();
-	  var op = arguments[0];
-	  var geometryFactory = arguments[1];
-	  var ptLocator = arguments[2];
-	  this._op = op;
-	  this._geometryFactory = geometryFactory;
-	  this._ptLocator = ptLocator;
-	};
-	LineBuilder.prototype.collectLines = function collectLines (opCode) {
-	    var this$1 = this;
-
-	  for (var it = this._op.getGraph().getEdgeEnds().iterator(); it.hasNext();) {
-	    var de = it.next();
-	    this$1.collectLineEdge(de, opCode, this$1._lineEdgesList);
-	    this$1.collectBoundaryTouchEdge(de, opCode, this$1._lineEdgesList);
-	  }
-	};
-	LineBuilder.prototype.labelIsolatedLine = function labelIsolatedLine (e, targetIndex) {
-	  var loc = this._ptLocator.locate(e.getCoordinate(), this._op.getArgGeometry(targetIndex));
-	  e.getLabel().setLocation(targetIndex, loc);
-	};
-	LineBuilder.prototype.build = function build (opCode) {
-	  this.findCoveredLineEdges();
-	  this.collectLines(opCode);
-	  this.buildLines(opCode);
-	  return this._resultLineList
-	};
-	LineBuilder.prototype.collectLineEdge = function collectLineEdge (de, opCode, edges) {
-	  var label = de.getLabel();
-	  var e = de.getEdge();
-	  if (de.isLineEdge()) {
-	    if (!de.isVisited() && OverlayOp.isResultOfOp(label, opCode) && !e.isCovered()) {
-	      edges.add(e);
-	      de.setVisitedEdge(true);
-	    }
-	  }
-	};
-	LineBuilder.prototype.findCoveredLineEdges = function findCoveredLineEdges () {
-	    var this$1 = this;
-
-	  for (var nodeit = this._op.getGraph().getNodes().iterator(); nodeit.hasNext();) {
-	    var node = nodeit.next();
-	    node.getEdges().findCoveredLineEdges();
-	  }
-	  for (var it = this._op.getGraph().getEdgeEnds().iterator(); it.hasNext();) {
-	    var de = it.next();
-	    var e = de.getEdge();
-	    if (de.isLineEdge() && !e.isCoveredSet()) {
-	      var isCovered = this$1._op.isCoveredByA(de.getCoordinate());
-	      e.setCovered(isCovered);
-	    }
-	  }
-	};
-	LineBuilder.prototype.labelIsolatedLines = function labelIsolatedLines (edgesList) {
-	    var this$1 = this;
-
-	  for (var it = edgesList.iterator(); it.hasNext();) {
-	    var e = it.next();
-	    var label = e.getLabel();
-	    if (e.isIsolated()) {
-	      if (label.isNull(0)) { this$1.labelIsolatedLine(e, 0); } else { this$1.labelIsolatedLine(e, 1); }
-	    }
-	  }
-	};
-	LineBuilder.prototype.buildLines = function buildLines (opCode) {
-	    var this$1 = this;
-
-	  for (var it = this._lineEdgesList.iterator(); it.hasNext();) {
-	    var e = it.next();
-	    // const label = e.getLabel()
-	    var line = this$1._geometryFactory.createLineString(e.getCoordinates());
-	    this$1._resultLineList.add(line);
-	    e.setInResult(true);
-	  }
-	};
-	LineBuilder.prototype.collectBoundaryTouchEdge = function collectBoundaryTouchEdge (de, opCode, edges) {
-	  var label = de.getLabel();
-	  if (de.isLineEdge()) { return null }
-	  if (de.isVisited()) { return null }
-	  if (de.isInteriorAreaEdge()) { return null }
-	  if (de.getEdge().isInResult()) { return null }
-	  Assert.isTrue(!(de.isInResult() || de.getSym().isInResult()) || !de.getEdge().isInResult());
-	  if (OverlayOp.isResultOfOp(label, opCode) && opCode === OverlayOp.INTERSECTION) {
-	    edges.add(de.getEdge());
-	    de.setVisitedEdge(true);
-	  }
-	};
-	LineBuilder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	LineBuilder.prototype.getClass = function getClass () {
-	  return LineBuilder
-	};
-
-	var PointBuilder = function PointBuilder () {
-	  this._op = null;
-	  this._geometryFactory = null;
-	  this._resultPointList = new ArrayList();
-	  var op = arguments[0];
-	  var geometryFactory = arguments[1];
-	  // const ptLocator = arguments[2]
-	  this._op = op;
-	  this._geometryFactory = geometryFactory;
-	};
-	PointBuilder.prototype.filterCoveredNodeToPoint = function filterCoveredNodeToPoint (n) {
-	  var coord = n.getCoordinate();
-	  if (!this._op.isCoveredByLA(coord)) {
-	    var pt = this._geometryFactory.createPoint(coord);
-	    this._resultPointList.add(pt);
-	  }
-	};
-	PointBuilder.prototype.extractNonCoveredResultNodes = function extractNonCoveredResultNodes (opCode) {
-	    var this$1 = this;
-
-	  for (var nodeit = this._op.getGraph().getNodes().iterator(); nodeit.hasNext();) {
-	    var n = nodeit.next();
-	    if (n.isInResult()) { continue }
-	    if (n.isIncidentEdgeInResult()) { continue }
-	    if (n.getEdges().getDegree() === 0 || opCode === OverlayOp.INTERSECTION) {
-	      var label = n.getLabel();
-	      if (OverlayOp.isResultOfOp(label, opCode)) {
-	        this$1.filterCoveredNodeToPoint(n);
-	      }
-	    }
-	  }
-	};
-	PointBuilder.prototype.build = function build (opCode) {
-	  this.extractNonCoveredResultNodes(opCode);
-	  return this._resultPointList
-	};
-	PointBuilder.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	PointBuilder.prototype.getClass = function getClass () {
-	  return PointBuilder
-	};
-
-	var GeometryTransformer = function GeometryTransformer () {
-	  this._inputGeom = null;
-	  this._factory = null;
-	  this._pruneEmptyGeometry = true;
-	  this._preserveGeometryCollectionType = true;
-	  this._preserveCollections = false;
-	  this._preserveType = false;
-	};
-	GeometryTransformer.prototype.transformPoint = function transformPoint (geom, parent) {
-	  return this._factory.createPoint(this.transformCoordinates(geom.getCoordinateSequence(), geom))
-	};
-	GeometryTransformer.prototype.transformPolygon = function transformPolygon (geom, parent) {
-	    var this$1 = this;
-
-	  var isAllValidLinearRings = true;
-	  var shell = this.transformLinearRing(geom.getExteriorRing(), geom);
-	  if (shell === null || !(shell instanceof LinearRing) || shell.isEmpty()) { isAllValidLinearRings = false; }
-	  var holes = new ArrayList();
-	  for (var i = 0; i < geom.getNumInteriorRing(); i++) {
-	    var hole = this$1.transformLinearRing(geom.getInteriorRingN(i), geom);
-	    if (hole === null || hole.isEmpty()) {
-	      continue
-	    }
-	    if (!(hole instanceof LinearRing)) { isAllValidLinearRings = false; }
-	    holes.add(hole);
-	  }
-	  if (isAllValidLinearRings) { return this._factory.createPolygon(shell, holes.toArray([])); } else {
-	    var components = new ArrayList();
-	    if (shell !== null) { components.add(shell); }
-	    components.addAll(holes);
-	    return this._factory.buildGeometry(components)
-	  }
-	};
-	GeometryTransformer.prototype.createCoordinateSequence = function createCoordinateSequence (coords) {
-	  return this._factory.getCoordinateSequenceFactory().create(coords)
-	};
-	GeometryTransformer.prototype.getInputGeometry = function getInputGeometry () {
-	  return this._inputGeom
-	};
-	GeometryTransformer.prototype.transformMultiLineString = function transformMultiLineString (geom, parent) {
-	    var this$1 = this;
-
-	  var transGeomList = new ArrayList();
-	  for (var i = 0; i < geom.getNumGeometries(); i++) {
-	    var transformGeom = this$1.transformLineString(geom.getGeometryN(i), geom);
-	    if (transformGeom === null) { continue }
-	    if (transformGeom.isEmpty()) { continue }
-	    transGeomList.add(transformGeom);
-	  }
-	  return this._factory.buildGeometry(transGeomList)
-	};
-	GeometryTransformer.prototype.transformCoordinates = function transformCoordinates (coords, parent) {
-	  return this.copy(coords)
-	};
-	GeometryTransformer.prototype.transformLineString = function transformLineString (geom, parent) {
-	  return this._factory.createLineString(this.transformCoordinates(geom.getCoordinateSequence(), geom))
-	};
-	GeometryTransformer.prototype.transformMultiPoint = function transformMultiPoint (geom, parent) {
-	    var this$1 = this;
-
-	  var transGeomList = new ArrayList();
-	  for (var i = 0; i < geom.getNumGeometries(); i++) {
-	    var transformGeom = this$1.transformPoint(geom.getGeometryN(i), geom);
-	    if (transformGeom === null) { continue }
-	    if (transformGeom.isEmpty()) { continue }
-	    transGeomList.add(transformGeom);
-	  }
-	  return this._factory.buildGeometry(transGeomList)
-	};
-	GeometryTransformer.prototype.transformMultiPolygon = function transformMultiPolygon (geom, parent) {
-	    var this$1 = this;
-
-	  var transGeomList = new ArrayList();
-	  for (var i = 0; i < geom.getNumGeometries(); i++) {
-	    var transformGeom = this$1.transformPolygon(geom.getGeometryN(i), geom);
-	    if (transformGeom === null) { continue }
-	    if (transformGeom.isEmpty()) { continue }
-	    transGeomList.add(transformGeom);
-	  }
-	  return this._factory.buildGeometry(transGeomList)
-	};
-	GeometryTransformer.prototype.copy = function copy (seq) {
-	  return seq.copy()
-	};
-	GeometryTransformer.prototype.transformGeometryCollection = function transformGeometryCollection (geom, parent) {
-	    var this$1 = this;
-
-	  var transGeomList = new ArrayList();
-	  for (var i = 0; i < geom.getNumGeometries(); i++) {
-	    var transformGeom = this$1.transform(geom.getGeometryN(i));
-	    if (transformGeom === null) { continue }
-	    if (this$1._pruneEmptyGeometry && transformGeom.isEmpty()) { continue }
-	    transGeomList.add(transformGeom);
-	  }
-	  if (this._preserveGeometryCollectionType) { return this._factory.createGeometryCollection(GeometryFactory.toGeometryArray(transGeomList)) }
-	  return this._factory.buildGeometry(transGeomList)
-	};
-	GeometryTransformer.prototype.transform = function transform (inputGeom) {
-	  this._inputGeom = inputGeom;
-	  this._factory = inputGeom.getFactory();
-	  if (inputGeom instanceof Point$1) { return this.transformPoint(inputGeom, null) }
-	  if (inputGeom instanceof MultiPoint) { return this.transformMultiPoint(inputGeom, null) }
-	  if (inputGeom instanceof LinearRing) { return this.transformLinearRing(inputGeom, null) }
-	  if (inputGeom instanceof LineString) { return this.transformLineString(inputGeom, null) }
-	  if (inputGeom instanceof MultiLineString) { return this.transformMultiLineString(inputGeom, null) }
-	  if (inputGeom instanceof Polygon) { return this.transformPolygon(inputGeom, null) }
-	  if (inputGeom instanceof MultiPolygon) { return this.transformMultiPolygon(inputGeom, null) }
-	  if (inputGeom instanceof GeometryCollection) { return this.transformGeometryCollection(inputGeom, null) }
-	  throw new IllegalArgumentException('Unknown Geometry subtype: ' + inputGeom.getClass().getName())
-	};
-	GeometryTransformer.prototype.transformLinearRing = function transformLinearRing (geom, parent) {
-	  var seq = this.transformCoordinates(geom.getCoordinateSequence(), geom);
-	  if (seq === null) { return this._factory.createLinearRing(null) }
-	  var seqSize = seq.size();
-	  if (seqSize > 0 && seqSize < 4 && !this._preserveType) { return this._factory.createLineString(seq) }
-	  return this._factory.createLinearRing(seq)
-	};
-	GeometryTransformer.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryTransformer.prototype.getClass = function getClass () {
-	  return GeometryTransformer
-	};
-
-	var LineStringSnapper = function LineStringSnapper () {
-	  this._snapTolerance = 0.0;
-	  this._srcPts = null;
-	  this._seg = new LineSegment();
-	  this._allowSnappingToSourceVertices = false;
-	  this._isClosed = false;
-	  if (arguments[0] instanceof LineString && typeof arguments[1] === 'number') {
-	    var srcLine = arguments[0];
-	    var snapTolerance = arguments[1];
-	    LineStringSnapper.call(this, srcLine.getCoordinates(), snapTolerance);
-	  } else if (arguments[0] instanceof Array && typeof arguments[1] === 'number') {
-	    var srcPts = arguments[0];
-	    var snapTolerance$1 = arguments[1];
-	    this._srcPts = srcPts;
-	    this._isClosed = LineStringSnapper.isClosed(srcPts);
-	    this._snapTolerance = snapTolerance$1;
-	  }
-	};
-	LineStringSnapper.prototype.snapVertices = function snapVertices (srcCoords, snapPts) {
-	    var this$1 = this;
-
-	  var end = this._isClosed ? srcCoords.size() - 1 : srcCoords.size();
-	  for (var i = 0; i < end; i++) {
-	    var srcPt = srcCoords.get(i);
-	    var snapVert = this$1.findSnapForVertex(srcPt, snapPts);
-	    if (snapVert !== null) {
-	      srcCoords.set(i, new Coordinate(snapVert));
-	      if (i === 0 && this$1._isClosed) { srcCoords.set(srcCoords.size() - 1, new Coordinate(snapVert)); }
-	    }
-	  }
-	};
-	LineStringSnapper.prototype.findSnapForVertex = function findSnapForVertex (pt, snapPts) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < snapPts.length; i++) {
-	    if (pt.equals2D(snapPts[i])) { return null }
-	    if (pt.distance(snapPts[i]) < this$1._snapTolerance) { return snapPts[i] }
-	  }
-	  return null
-	};
-	LineStringSnapper.prototype.snapTo = function snapTo (snapPts) {
-	  var coordList = new CoordinateList(this._srcPts);
-	  this.snapVertices(coordList, snapPts);
-	  this.snapSegments(coordList, snapPts);
-	  var newPts = coordList.toCoordinateArray();
-	  return newPts
-	};
-	LineStringSnapper.prototype.snapSegments = function snapSegments (srcCoords, snapPts) {
-	    var this$1 = this;
-
-	  if (snapPts.length === 0) { return null }
-	  var distinctPtCount = snapPts.length;
-	  if (snapPts[0].equals2D(snapPts[snapPts.length - 1])) { distinctPtCount = snapPts.length - 1; }
-	  for (var i = 0; i < distinctPtCount; i++) {
-	    var snapPt = snapPts[i];
-	    var index = this$1.findSegmentIndexToSnap(snapPt, srcCoords);
-	    if (index >= 0) {
-	      srcCoords.add(index + 1, new Coordinate(snapPt), false);
-	    }
-	  }
-	};
-	LineStringSnapper.prototype.findSegmentIndexToSnap = function findSegmentIndexToSnap (snapPt, srcCoords) {
-	    var this$1 = this;
-
-	  var minDist = Double.MAX_VALUE;
-	  var snapIndex = -1;
-	  for (var i = 0; i < srcCoords.size() - 1; i++) {
-	    this$1._seg.p0 = srcCoords.get(i);
-	    this$1._seg.p1 = srcCoords.get(i + 1);
-	    if (this$1._seg.p0.equals2D(snapPt) || this$1._seg.p1.equals2D(snapPt)) {
-	      if (this$1._allowSnappingToSourceVertices) { continue; } else { return -1 }
-	    }
-	    var dist = this$1._seg.distance(snapPt);
-	    if (dist < this$1._snapTolerance && dist < minDist) {
-	      minDist = dist;
-	      snapIndex = i;
-	    }
-	  }
-	  return snapIndex
-	};
-	LineStringSnapper.prototype.setAllowSnappingToSourceVertices = function setAllowSnappingToSourceVertices (allowSnappingToSourceVertices) {
-	  this._allowSnappingToSourceVertices = allowSnappingToSourceVertices;
-	};
-	LineStringSnapper.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	LineStringSnapper.prototype.getClass = function getClass () {
-	  return LineStringSnapper
-	};
-	LineStringSnapper.isClosed = function isClosed (pts) {
-	  if (pts.length <= 1) { return false }
-	  return pts[0].equals2D(pts[pts.length - 1])
-	};
-
-	var GeometrySnapper = function GeometrySnapper (srcGeom) {
-	  this._srcGeom = srcGeom || null;
-	};
-
-	var staticAccessors$41 = { SNAP_PRECISION_FACTOR: { configurable: true } };
-	GeometrySnapper.prototype.snapTo = function snapTo (snapGeom, snapTolerance) {
-	  var snapPts = this.extractTargetCoordinates(snapGeom);
-	  var snapTrans = new SnapTransformer(snapTolerance, snapPts);
-	  return snapTrans.transform(this._srcGeom)
-	};
-	GeometrySnapper.prototype.snapToSelf = function snapToSelf (snapTolerance, cleanResult) {
-	  var snapPts = this.extractTargetCoordinates(this._srcGeom);
-	  var snapTrans = new SnapTransformer(snapTolerance, snapPts, true);
-	  var snappedGeom = snapTrans.transform(this._srcGeom);
-	  var result = snappedGeom;
-	  if (cleanResult && hasInterface(result, Polygonal)) {
-	    result = snappedGeom.buffer(0);
-	  }
-	  return result
-	};
-	GeometrySnapper.prototype.computeSnapTolerance = function computeSnapTolerance (ringPts) {
-	  var minSegLen = this.computeMinimumSegmentLength(ringPts);
-	  var snapTol = minSegLen / 10;
-	  return snapTol
-	};
-	GeometrySnapper.prototype.extractTargetCoordinates = function extractTargetCoordinates (g) {
-	  var ptSet = new TreeSet();
-	  var pts = g.getCoordinates();
-	  for (var i = 0; i < pts.length; i++) {
-	    ptSet.add(pts[i]);
-	  }
-	  return ptSet.toArray(new Array(0).fill(null))
-	};
-	GeometrySnapper.prototype.computeMinimumSegmentLength = function computeMinimumSegmentLength (pts) {
-	  var minSegLen = Double.MAX_VALUE;
-	  for (var i = 0; i < pts.length - 1; i++) {
-	    var segLen = pts[i].distance(pts[i + 1]);
-	    if (segLen < minSegLen) { minSegLen = segLen; }
-	  }
-	  return minSegLen
-	};
-	GeometrySnapper.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometrySnapper.prototype.getClass = function getClass () {
-	  return GeometrySnapper
-	};
-	GeometrySnapper.snap = function snap (g0, g1, snapTolerance) {
-	  var snapGeom = new Array(2).fill(null);
-	  var snapper0 = new GeometrySnapper(g0);
-	  snapGeom[0] = snapper0.snapTo(g1, snapTolerance);
-	  var snapper1 = new GeometrySnapper(g1);
-	  snapGeom[1] = snapper1.snapTo(snapGeom[0], snapTolerance);
-	  return snapGeom
-	};
-	GeometrySnapper.computeOverlaySnapTolerance = function computeOverlaySnapTolerance () {
-	  if (arguments.length === 1) {
-	    var g = arguments[0];
-	    var snapTolerance = GeometrySnapper.computeSizeBasedSnapTolerance(g);
-	    var pm = g.getPrecisionModel();
-	    if (pm.getType() === PrecisionModel.FIXED) {
-	      var fixedSnapTol = 1 / pm.getScale() * 2 / 1.415;
-	      if (fixedSnapTol > snapTolerance) { snapTolerance = fixedSnapTol; }
-	    }
-	    return snapTolerance
-	  } else if (arguments.length === 2) {
-	    var g0 = arguments[0];
-	    var g1 = arguments[1];
-	    return Math.min(GeometrySnapper.computeOverlaySnapTolerance(g0), GeometrySnapper.computeOverlaySnapTolerance(g1))
-	  }
-	};
-	GeometrySnapper.computeSizeBasedSnapTolerance = function computeSizeBasedSnapTolerance (g) {
-	  var env = g.getEnvelopeInternal();
-	  var minDimension = Math.min(env.getHeight(), env.getWidth());
-	  var snapTol = minDimension * GeometrySnapper.SNAP_PRECISION_FACTOR;
-	  return snapTol
-	};
-	GeometrySnapper.snapToSelf = function snapToSelf (geom, snapTolerance, cleanResult) {
-	  var snapper0 = new GeometrySnapper(geom);
-	  return snapper0.snapToSelf(snapTolerance, cleanResult)
-	};
-	staticAccessors$41.SNAP_PRECISION_FACTOR.get = function () { return 1e-9 };
-
-	Object.defineProperties( GeometrySnapper, staticAccessors$41 );
-
-	var SnapTransformer = (function (GeometryTransformer$$1) {
-	  function SnapTransformer (snapTolerance, snapPts, isSelfSnap) {
-	    GeometryTransformer$$1.call(this);
-	    this._snapTolerance = snapTolerance || null;
-	    this._snapPts = snapPts || null;
-	    this._isSelfSnap = (isSelfSnap !== undefined) ? isSelfSnap : false;
-	  }
-
-	  if ( GeometryTransformer$$1 ) SnapTransformer.__proto__ = GeometryTransformer$$1;
-	  SnapTransformer.prototype = Object.create( GeometryTransformer$$1 && GeometryTransformer$$1.prototype );
-	  SnapTransformer.prototype.constructor = SnapTransformer;
-	  SnapTransformer.prototype.snapLine = function snapLine (srcPts, snapPts) {
-	    var snapper = new LineStringSnapper(srcPts, this._snapTolerance);
-	    snapper.setAllowSnappingToSourceVertices(this._isSelfSnap);
-	    return snapper.snapTo(snapPts)
-	  };
-	  SnapTransformer.prototype.transformCoordinates = function transformCoordinates (coords, parent) {
-	    var srcPts = coords.toCoordinateArray();
-	    var newPts = this.snapLine(srcPts, this._snapPts);
-	    return this._factory.getCoordinateSequenceFactory().create(newPts)
-	  };
-	  SnapTransformer.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  SnapTransformer.prototype.getClass = function getClass () {
-	    return SnapTransformer
-	  };
-
-	  return SnapTransformer;
-	}(GeometryTransformer));
-
-	var CommonBits = function CommonBits () {
-	  this._isFirst = true;
-	  this._commonMantissaBitsCount = 53;
-	  this._commonBits = 0;
-	  this._commonSignExp = null;
-	};
-	CommonBits.prototype.getCommon = function getCommon () {
-	  return Double.longBitsToDouble(this._commonBits)
-	};
-	CommonBits.prototype.add = function add (num) {
-	  var numBits = Double.doubleToLongBits(num);
-	  if (this._isFirst) {
-	    this._commonBits = numBits;
-	    this._commonSignExp = CommonBits.signExpBits(this._commonBits);
-	    this._isFirst = false;
-	    return null
-	  }
-	  var numSignExp = CommonBits.signExpBits(numBits);
-	  if (numSignExp !== this._commonSignExp) {
-	    this._commonBits = 0;
-	    return null
-	  }
-	  this._commonMantissaBitsCount = CommonBits.numCommonMostSigMantissaBits(this._commonBits, numBits);
-	  this._commonBits = CommonBits.zeroLowerBits(this._commonBits, 64 - (12 + this._commonMantissaBitsCount));
-	};
-	CommonBits.prototype.toString = function toString () {
-	  if (arguments.length === 1) {
-	    var bits = arguments[0];
-	    var x = Double.longBitsToDouble(bits);
-	    var numStr = Double.toBinaryString(bits);
-	    var padStr = '0000000000000000000000000000000000000000000000000000000000000000' + numStr;
-	    var bitStr = padStr.substring(padStr.length - 64);
-	    var str = bitStr.substring(0, 1) + '  ' + bitStr.substring(1, 12) + '(exp) ' + bitStr.substring(12) + ' [ ' + x + ' ]';
-	    return str
-	  }
-	};
-	CommonBits.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CommonBits.prototype.getClass = function getClass () {
-	  return CommonBits
-	};
-	CommonBits.getBit = function getBit (bits, i) {
-	  var mask = 1 << i;
-	  return (bits & mask) !== 0 ? 1 : 0
-	};
-	CommonBits.signExpBits = function signExpBits (num) {
-	  return num >> 52
-	};
-	CommonBits.zeroLowerBits = function zeroLowerBits (bits, nBits) {
-	  var invMask = (1 << nBits) - 1;
-	  var mask = ~invMask;
-	  var zeroed = bits & mask;
-	  return zeroed
-	};
-	CommonBits.numCommonMostSigMantissaBits = function numCommonMostSigMantissaBits (num1, num2) {
-	  var count = 0;
-	  for (var i = 52; i >= 0; i--) {
-	    if (CommonBits.getBit(num1, i) !== CommonBits.getBit(num2, i)) { return count }
-	    count++;
-	  }
-	  return 52
-	};
-
-	var CommonBitsRemover = function CommonBitsRemover () {
-	  this._commonCoord = null;
-	  this._ccFilter = new CommonCoordinateFilter();
-	};
-
-	var staticAccessors$42 = { CommonCoordinateFilter: { configurable: true },Translater: { configurable: true } };
-	CommonBitsRemover.prototype.addCommonBits = function addCommonBits (geom) {
-	  var trans = new Translater(this._commonCoord);
-	  geom.apply(trans);
-	  geom.geometryChanged();
-	};
-	CommonBitsRemover.prototype.removeCommonBits = function removeCommonBits (geom) {
-	  if (this._commonCoord.x === 0.0 && this._commonCoord.y === 0.0) { return geom }
-	  var invCoord = new Coordinate(this._commonCoord);
-	  invCoord.x = -invCoord.x;
-	  invCoord.y = -invCoord.y;
-	  var trans = new Translater(invCoord);
-	  geom.apply(trans);
-	  geom.geometryChanged();
-	  return geom
-	};
-	CommonBitsRemover.prototype.getCommonCoordinate = function getCommonCoordinate () {
-	  return this._commonCoord
-	};
-	CommonBitsRemover.prototype.add = function add (geom) {
-	  geom.apply(this._ccFilter);
-	  this._commonCoord = this._ccFilter.getCommonCoordinate();
-	};
-	CommonBitsRemover.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CommonBitsRemover.prototype.getClass = function getClass () {
-	  return CommonBitsRemover
-	};
-	staticAccessors$42.CommonCoordinateFilter.get = function () { return CommonCoordinateFilter };
-	staticAccessors$42.Translater.get = function () { return Translater };
-
-	Object.defineProperties( CommonBitsRemover, staticAccessors$42 );
-
-	var CommonCoordinateFilter = function CommonCoordinateFilter () {
-	  this._commonBitsX = new CommonBits();
-	  this._commonBitsY = new CommonBits();
-	};
-	CommonCoordinateFilter.prototype.filter = function filter (coord) {
-	  this._commonBitsX.add(coord.x);
-	  this._commonBitsY.add(coord.y);
-	};
-	CommonCoordinateFilter.prototype.getCommonCoordinate = function getCommonCoordinate () {
-	  return new Coordinate(this._commonBitsX.getCommon(), this._commonBitsY.getCommon())
-	};
-	CommonCoordinateFilter.prototype.interfaces_ = function interfaces_ () {
-	  return [CoordinateFilter]
-	};
-	CommonCoordinateFilter.prototype.getClass = function getClass () {
-	  return CommonCoordinateFilter
-	};
-
-	var Translater = function Translater () {
-	  this.trans = null;
-	  var trans = arguments[0];
-	  this.trans = trans;
-	};
-	Translater.prototype.filter = function filter (seq, i) {
-	  var xp = seq.getOrdinate(i, 0) + this.trans.x;
-	  var yp = seq.getOrdinate(i, 1) + this.trans.y;
-	  seq.setOrdinate(i, 0, xp);
-	  seq.setOrdinate(i, 1, yp);
-	};
-	Translater.prototype.isDone = function isDone () {
-	  return false
-	};
-	Translater.prototype.isGeometryChanged = function isGeometryChanged () {
-	  return true
-	};
-	Translater.prototype.interfaces_ = function interfaces_ () {
-	  return [CoordinateSequenceFilter]
-	};
-	Translater.prototype.getClass = function getClass () {
-	  return Translater
-	};
-
-	var SnapOverlayOp = function SnapOverlayOp (g1, g2) {
-	  this._geom = new Array(2).fill(null);
-	  this._snapTolerance = null;
-	  this._cbr = null;
-	  this._geom[0] = g1;
-	  this._geom[1] = g2;
-	  this.computeSnapTolerance();
-	};
-	SnapOverlayOp.prototype.selfSnap = function selfSnap (geom) {
-	  var snapper0 = new GeometrySnapper(geom);
-	  var snapGeom = snapper0.snapTo(geom, this._snapTolerance);
-	  return snapGeom
-	};
-	SnapOverlayOp.prototype.removeCommonBits = function removeCommonBits (geom) {
-	  this._cbr = new CommonBitsRemover();
-	  this._cbr.add(geom[0]);
-	  this._cbr.add(geom[1]);
-	  var remGeom = new Array(2).fill(null);
-	  remGeom[0] = this._cbr.removeCommonBits(geom[0].copy());
-	  remGeom[1] = this._cbr.removeCommonBits(geom[1].copy());
-	  return remGeom
-	};
-	SnapOverlayOp.prototype.prepareResult = function prepareResult (geom) {
-	  this._cbr.addCommonBits(geom);
-	  return geom
-	};
-	SnapOverlayOp.prototype.getResultGeometry = function getResultGeometry (opCode) {
-	  var prepGeom = this.snap(this._geom);
-	  var result = OverlayOp.overlayOp(prepGeom[0], prepGeom[1], opCode);
-	  return this.prepareResult(result)
-	};
-	SnapOverlayOp.prototype.checkValid = function checkValid (g) {
-	  if (!g.isValid()) {
-	    System.out.println('Snapped geometry is invalid');
-	  }
-	};
-	SnapOverlayOp.prototype.computeSnapTolerance = function computeSnapTolerance () {
-	  this._snapTolerance = GeometrySnapper.computeOverlaySnapTolerance(this._geom[0], this._geom[1]);
-	};
-	SnapOverlayOp.prototype.snap = function snap (geom) {
-	  var remGeom = this.removeCommonBits(geom);
-	  var snapGeom = GeometrySnapper.snap(remGeom[0], remGeom[1], this._snapTolerance);
-	  return snapGeom
-	};
-	SnapOverlayOp.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SnapOverlayOp.prototype.getClass = function getClass () {
-	  return SnapOverlayOp
-	};
-	SnapOverlayOp.overlayOp = function overlayOp (g0, g1, opCode) {
-	  var op = new SnapOverlayOp(g0, g1);
-	  return op.getResultGeometry(opCode)
-	};
-	SnapOverlayOp.union = function union (g0, g1) {
-	  return SnapOverlayOp.overlayOp(g0, g1, OverlayOp.UNION)
-	};
-	SnapOverlayOp.intersection = function intersection (g0, g1) {
-	  return SnapOverlayOp.overlayOp(g0, g1, OverlayOp.INTERSECTION)
-	};
-	SnapOverlayOp.symDifference = function symDifference (g0, g1) {
-	  return SnapOverlayOp.overlayOp(g0, g1, OverlayOp.SYMDIFFERENCE)
-	};
-	SnapOverlayOp.difference = function difference (g0, g1) {
-	  return SnapOverlayOp.overlayOp(g0, g1, OverlayOp.DIFFERENCE)
-	};
-
-	var SnapIfNeededOverlayOp = function SnapIfNeededOverlayOp (g1, g2) {
-	  this._geom = new Array(2).fill(null);
-	  this._geom[0] = g1;
-	  this._geom[1] = g2;
-	};
-	SnapIfNeededOverlayOp.prototype.getResultGeometry = function getResultGeometry (opCode) {
-	  var result = null;
-	  var isSuccess = false;
-	  var savedException = null;
-	  try {
-	    result = OverlayOp.overlayOp(this._geom[0], this._geom[1], opCode);
-	    var isValid = true;
-	    if (isValid) { isSuccess = true; }
-	  } catch (ex) {
-	    if (ex instanceof RuntimeException) {
-	      savedException = ex;
-	    } else { throw ex }
-	  } finally {}
-	  if (!isSuccess) {
-	    try {
-	      result = SnapOverlayOp.overlayOp(this._geom[0], this._geom[1], opCode);
-	    } catch (ex) {
-	      if (ex instanceof RuntimeException) {
-	        throw savedException
-	      } else { throw ex }
-	    } finally {}
-	  }
-	  return result
-	};
-	SnapIfNeededOverlayOp.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SnapIfNeededOverlayOp.prototype.getClass = function getClass () {
-	  return SnapIfNeededOverlayOp
-	};
-	SnapIfNeededOverlayOp.overlayOp = function overlayOp (g0, g1, opCode) {
-	  var op = new SnapIfNeededOverlayOp(g0, g1);
-	  return op.getResultGeometry(opCode)
-	};
-	SnapIfNeededOverlayOp.union = function union (g0, g1) {
-	  return SnapIfNeededOverlayOp.overlayOp(g0, g1, OverlayOp.UNION)
-	};
-	SnapIfNeededOverlayOp.intersection = function intersection (g0, g1) {
-	  return SnapIfNeededOverlayOp.overlayOp(g0, g1, OverlayOp.INTERSECTION)
-	};
-	SnapIfNeededOverlayOp.symDifference = function symDifference (g0, g1) {
-	  return SnapIfNeededOverlayOp.overlayOp(g0, g1, OverlayOp.SYMDIFFERENCE)
-	};
-	SnapIfNeededOverlayOp.difference = function difference (g0, g1) {
-	  return SnapIfNeededOverlayOp.overlayOp(g0, g1, OverlayOp.DIFFERENCE)
-	};
-
-	var MonotoneChain$2 = function MonotoneChain () {
-	  this.mce = null;
-	  this.chainIndex = null;
-	  var mce = arguments[0];
-	  var chainIndex = arguments[1];
-	  this.mce = mce;
-	  this.chainIndex = chainIndex;
-	};
-	MonotoneChain$2.prototype.computeIntersections = function computeIntersections (mc, si) {
-	  this.mce.computeIntersectsForChain(this.chainIndex, mc.mce, mc.chainIndex, si);
-	};
-	MonotoneChain$2.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	MonotoneChain$2.prototype.getClass = function getClass () {
-	  return MonotoneChain$2
-	};
-
-	var SweepLineEvent = function SweepLineEvent () {
-	  this._label = null;
-	  this._xValue = null;
-	  this._eventType = null;
-	  this._insertEvent = null;
-	  this._deleteEventIndex = null;
-	  this._obj = null;
-	  if (arguments.length === 2) {
-	    var x = arguments[0];
-	    var insertEvent = arguments[1];
-	    this._eventType = SweepLineEvent.DELETE;
-	    this._xValue = x;
-	    this._insertEvent = insertEvent;
-	  } else if (arguments.length === 3) {
-	    var label = arguments[0];
-	    var x$1 = arguments[1];
-	    var obj = arguments[2];
-	    this._eventType = SweepLineEvent.INSERT;
-	    this._label = label;
-	    this._xValue = x$1;
-	    this._obj = obj;
-	  }
-	};
-
-	var staticAccessors$43 = { INSERT: { configurable: true },DELETE: { configurable: true } };
-	SweepLineEvent.prototype.isDelete = function isDelete () {
-	  return this._eventType === SweepLineEvent.DELETE
-	};
-	SweepLineEvent.prototype.setDeleteEventIndex = function setDeleteEventIndex (deleteEventIndex) {
-	  this._deleteEventIndex = deleteEventIndex;
-	};
-	SweepLineEvent.prototype.getObject = function getObject () {
-	  return this._obj
-	};
-	SweepLineEvent.prototype.compareTo = function compareTo (o) {
-	  var pe = o;
-	  if (this._xValue < pe._xValue) { return -1 }
-	  if (this._xValue > pe._xValue) { return 1 }
-	  if (this._eventType < pe._eventType) { return -1 }
-	  if (this._eventType > pe._eventType) { return 1 }
-	  return 0
-	};
-	SweepLineEvent.prototype.getInsertEvent = function getInsertEvent () {
-	  return this._insertEvent
-	};
-	SweepLineEvent.prototype.isInsert = function isInsert () {
-	  return this._eventType === SweepLineEvent.INSERT
-	};
-	SweepLineEvent.prototype.isSameLabel = function isSameLabel (ev) {
-	  if (this._label === null) { return false }
-	  return this._label === ev._label
-	};
-	SweepLineEvent.prototype.getDeleteEventIndex = function getDeleteEventIndex () {
-	  return this._deleteEventIndex
-	};
-	SweepLineEvent.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparable]
-	};
-	SweepLineEvent.prototype.getClass = function getClass () {
-	  return SweepLineEvent
-	};
-	staticAccessors$43.INSERT.get = function () { return 1 };
-	staticAccessors$43.DELETE.get = function () { return 2 };
-
-	Object.defineProperties( SweepLineEvent, staticAccessors$43 );
-
-	var EdgeSetIntersector = function EdgeSetIntersector () {};
-
-	EdgeSetIntersector.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	EdgeSetIntersector.prototype.getClass = function getClass () {
-	  return EdgeSetIntersector
-	};
-
-	var SegmentIntersector$2 = function SegmentIntersector () {
-	  this._hasIntersection = false;
-	  this._hasProper = false;
-	  this._hasProperInterior = false;
-	  this._properIntersectionPoint = null;
-	  this._li = null;
-	  this._includeProper = null;
-	  this._recordIsolated = null;
-	  this._isSelfIntersection = null;
-	  this._numIntersections = 0;
-	  this.numTests = 0;
-	  this._bdyNodes = null;
-	  this._isDone = false;
-	  this._isDoneWhenProperInt = false;
-	  var li = arguments[0];
-	  var includeProper = arguments[1];
-	  var recordIsolated = arguments[2];
-	  this._li = li;
-	  this._includeProper = includeProper;
-	  this._recordIsolated = recordIsolated;
-	};
-	SegmentIntersector$2.prototype.isTrivialIntersection = function isTrivialIntersection (e0, segIndex0, e1, segIndex1) {
-	  if (e0 === e1) {
-	    if (this._li.getIntersectionNum() === 1) {
-	      if (SegmentIntersector$2.isAdjacentSegments(segIndex0, segIndex1)) { return true }
-	      if (e0.isClosed()) {
-	        var maxSegIndex = e0.getNumPoints() - 1;
-	        if ((segIndex0 === 0 && segIndex1 === maxSegIndex) ||
-	            (segIndex1 === 0 && segIndex0 === maxSegIndex)) {
-	          return true
-	        }
-	      }
-	    }
-	  }
-	  return false
-	};
-	SegmentIntersector$2.prototype.getProperIntersectionPoint = function getProperIntersectionPoint () {
-	  return this._properIntersectionPoint
-	};
-	SegmentIntersector$2.prototype.setIsDoneIfProperInt = function setIsDoneIfProperInt (isDoneWhenProperInt) {
-	  this._isDoneWhenProperInt = isDoneWhenProperInt;
-	};
-	SegmentIntersector$2.prototype.hasProperInteriorIntersection = function hasProperInteriorIntersection () {
-	  return this._hasProperInterior
-	};
-	SegmentIntersector$2.prototype.isBoundaryPointInternal = function isBoundaryPointInternal (li, bdyNodes) {
-	  for (var i = bdyNodes.iterator(); i.hasNext();) {
-	    var node = i.next();
-	    var pt = node.getCoordinate();
-	    if (li.isIntersection(pt)) { return true }
-	  }
-	  return false
-	};
-	SegmentIntersector$2.prototype.hasProperIntersection = function hasProperIntersection () {
-	  return this._hasProper
-	};
-	SegmentIntersector$2.prototype.hasIntersection = function hasIntersection () {
-	  return this._hasIntersection
-	};
-	SegmentIntersector$2.prototype.isDone = function isDone () {
-	  return this._isDone
-	};
-	SegmentIntersector$2.prototype.isBoundaryPoint = function isBoundaryPoint (li, bdyNodes) {
-	  if (bdyNodes === null) { return false }
-	  if (this.isBoundaryPointInternal(li, bdyNodes[0])) { return true }
-	  if (this.isBoundaryPointInternal(li, bdyNodes[1])) { return true }
-	  return false
-	};
-	SegmentIntersector$2.prototype.setBoundaryNodes = function setBoundaryNodes (bdyNodes0, bdyNodes1) {
-	  this._bdyNodes = new Array(2).fill(null);
-	  this._bdyNodes[0] = bdyNodes0;
-	  this._bdyNodes[1] = bdyNodes1;
-	};
-	SegmentIntersector$2.prototype.addIntersections = function addIntersections (e0, segIndex0, e1, segIndex1) {
-	  if (e0 === e1 && segIndex0 === segIndex1) { return null }
-	  this.numTests++;
-	  var p00 = e0.getCoordinates()[segIndex0];
-	  var p01 = e0.getCoordinates()[segIndex0 + 1];
-	  var p10 = e1.getCoordinates()[segIndex1];
-	  var p11 = e1.getCoordinates()[segIndex1 + 1];
-	  this._li.computeIntersection(p00, p01, p10, p11);
-	  if (this._li.hasIntersection()) {
-	    if (this._recordIsolated) {
-	      e0.setIsolated(false);
-	      e1.setIsolated(false);
-	    }
-	    this._numIntersections++;
-	    if (!this.isTrivialIntersection(e0, segIndex0, e1, segIndex1)) {
-	      this._hasIntersection = true;
-	      if (this._includeProper || !this._li.isProper()) {
-	        e0.addIntersections(this._li, segIndex0, 0);
-	        e1.addIntersections(this._li, segIndex1, 1);
-	      }
-	      if (this._li.isProper()) {
-	        this._properIntersectionPoint = this._li.getIntersection(0).copy();
-	        this._hasProper = true;
-	        if (this._isDoneWhenProperInt) {
-	          this._isDone = true;
-	        }
-	        if (!this.isBoundaryPoint(this._li, this._bdyNodes)) { this._hasProperInterior = true; }
-	      }
-	    }
-	  }
-	};
-	SegmentIntersector$2.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SegmentIntersector$2.prototype.getClass = function getClass () {
-	  return SegmentIntersector$2
-	};
-	SegmentIntersector$2.isAdjacentSegments = function isAdjacentSegments (i1, i2) {
-	  return Math.abs(i1 - i2) === 1
-	};
-
-	var SimpleMCSweepLineIntersector = (function (EdgeSetIntersector$$1) {
-	  function SimpleMCSweepLineIntersector () {
-	    EdgeSetIntersector$$1.call(this);
-	    this.events = new ArrayList();
-	    this.nOverlaps = null;
-	  }
-
-	  if ( EdgeSetIntersector$$1 ) SimpleMCSweepLineIntersector.__proto__ = EdgeSetIntersector$$1;
-	  SimpleMCSweepLineIntersector.prototype = Object.create( EdgeSetIntersector$$1 && EdgeSetIntersector$$1.prototype );
-	  SimpleMCSweepLineIntersector.prototype.constructor = SimpleMCSweepLineIntersector;
-	  SimpleMCSweepLineIntersector.prototype.prepareEvents = function prepareEvents () {
-	    var this$1 = this;
-
-	    Collections.sort(this.events);
-	    for (var i = 0; i < this.events.size(); i++) {
-	      var ev = this$1.events.get(i);
-	      if (ev.isDelete()) {
-	        ev.getInsertEvent().setDeleteEventIndex(i);
-	      }
-	    }
-	  };
-	  SimpleMCSweepLineIntersector.prototype.computeIntersections = function computeIntersections () {
-	    var this$1 = this;
-
-	    if (arguments.length === 1) {
-	      var si = arguments[0];
-	      this.nOverlaps = 0;
-	      this.prepareEvents();
-	      for (var i = 0; i < this.events.size(); i++) {
-	        var ev = this$1.events.get(i);
-	        if (ev.isInsert()) {
-	          this$1.processOverlaps(i, ev.getDeleteEventIndex(), ev, si);
-	        }
-	        if (si.isDone()) {
-	          break
-	        }
-	      }
-	    } else if (arguments.length === 3) {
-	      if (arguments[2] instanceof SegmentIntersector$2 && (hasInterface(arguments[0], List) && hasInterface(arguments[1], List))) {
-	        var edges0 = arguments[0];
-	        var edges1 = arguments[1];
-	        var si$1 = arguments[2];
-	        this.addEdges(edges0, edges0);
-	        this.addEdges(edges1, edges1);
-	        this.computeIntersections(si$1);
-	      } else if (typeof arguments[2] === 'boolean' && (hasInterface(arguments[0], List) && arguments[1] instanceof SegmentIntersector$2)) {
-	        var edges = arguments[0];
-	        var si$2 = arguments[1];
-	        var testAllSegments = arguments[2];
-	        if (testAllSegments) { this.addEdges(edges, null); } else { this.addEdges(edges); }
-	        this.computeIntersections(si$2);
-	      }
-	    }
-	  };
-	  SimpleMCSweepLineIntersector.prototype.addEdge = function addEdge (edge, edgeSet) {
-	    var this$1 = this;
-
-	    var mce = edge.getMonotoneChainEdge();
-	    var startIndex = mce.getStartIndexes();
-	    for (var i = 0; i < startIndex.length - 1; i++) {
-	      var mc = new MonotoneChain$2(mce, i);
-	      var insertEvent = new SweepLineEvent(edgeSet, mce.getMinX(i), mc);
-	      this$1.events.add(insertEvent);
-	      this$1.events.add(new SweepLineEvent(mce.getMaxX(i), insertEvent));
-	    }
-	  };
-	  SimpleMCSweepLineIntersector.prototype.processOverlaps = function processOverlaps (start, end, ev0, si) {
-	    var this$1 = this;
-
-	    var mc0 = ev0.getObject();
-	    for (var i = start; i < end; i++) {
-	      var ev1 = this$1.events.get(i);
-	      if (ev1.isInsert()) {
-	        var mc1 = ev1.getObject();
-	        if (!ev0.isSameLabel(ev1)) {
-	          mc0.computeIntersections(mc1, si);
-	          this$1.nOverlaps++;
-	        }
-	      }
-	    }
-	  };
-	  SimpleMCSweepLineIntersector.prototype.addEdges = function addEdges () {
-	    var this$1 = this;
-
-	    if (arguments.length === 1) {
-	      var edges = arguments[0];
-	      for (var i = edges.iterator(); i.hasNext();) {
-	        var edge = i.next();
-	        this$1.addEdge(edge, edge);
-	      }
-	    } else if (arguments.length === 2) {
-	      var edges$1 = arguments[0];
-	      var edgeSet = arguments[1];
-	      for (var i$1 = edges$1.iterator(); i$1.hasNext();) {
-	        var edge$1 = i$1.next();
-	        this$1.addEdge(edge$1, edgeSet);
-	      }
-	    }
-	  };
-	  SimpleMCSweepLineIntersector.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  SimpleMCSweepLineIntersector.prototype.getClass = function getClass () {
-	    return SimpleMCSweepLineIntersector
-	  };
-
-	  return SimpleMCSweepLineIntersector;
-	}(EdgeSetIntersector));
-
-	var IntervalRTreeNode = function IntervalRTreeNode () {
-	  this._min = Double.POSITIVE_INFINITY;
-	  this._max = Double.NEGATIVE_INFINITY;
-	};
-
-	var staticAccessors$45 = { NodeComparator: { configurable: true } };
-	IntervalRTreeNode.prototype.getMin = function getMin () {
-	  return this._min
-	};
-	IntervalRTreeNode.prototype.intersects = function intersects (queryMin, queryMax) {
-	  if (this._min > queryMax || this._max < queryMin) { return false }
-	  return true
-	};
-	IntervalRTreeNode.prototype.getMax = function getMax () {
-	  return this._max
-	};
-	IntervalRTreeNode.prototype.toString = function toString () {
-	  return WKTWriter.toLineString(new Coordinate(this._min, 0), new Coordinate(this._max, 0))
-	};
-	IntervalRTreeNode.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	IntervalRTreeNode.prototype.getClass = function getClass () {
-	  return IntervalRTreeNode
-	};
-	staticAccessors$45.NodeComparator.get = function () { return NodeComparator };
-
-	Object.defineProperties( IntervalRTreeNode, staticAccessors$45 );
-
-	var NodeComparator = function NodeComparator () {};
-
-	NodeComparator.prototype.compare = function compare (o1, o2) {
-	  var n1 = o1;
-	  var n2 = o2;
-	  var mid1 = (n1._min + n1._max) / 2;
-	  var mid2 = (n2._min + n2._max) / 2;
-	  if (mid1 < mid2) { return -1 }
-	  if (mid1 > mid2) { return 1 }
-	  return 0
-	};
-	NodeComparator.prototype.interfaces_ = function interfaces_ () {
-	  return [Comparator]
-	};
-	NodeComparator.prototype.getClass = function getClass () {
-	  return NodeComparator
-	};
-
-	var IntervalRTreeLeafNode = (function (IntervalRTreeNode$$1) {
-	  function IntervalRTreeLeafNode () {
-	    IntervalRTreeNode$$1.call(this);
-	    this._item = null;
-	    var min = arguments[0];
-	    var max = arguments[1];
-	    var item = arguments[2];
-	    this._min = min;
-	    this._max = max;
-	    this._item = item;
-	  }
-
-	  if ( IntervalRTreeNode$$1 ) IntervalRTreeLeafNode.__proto__ = IntervalRTreeNode$$1;
-	  IntervalRTreeLeafNode.prototype = Object.create( IntervalRTreeNode$$1 && IntervalRTreeNode$$1.prototype );
-	  IntervalRTreeLeafNode.prototype.constructor = IntervalRTreeLeafNode;
-	  IntervalRTreeLeafNode.prototype.query = function query (queryMin, queryMax, visitor) {
-	    if (!this.intersects(queryMin, queryMax)) { return null }
-	    visitor.visitItem(this._item);
-	  };
-	  IntervalRTreeLeafNode.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  IntervalRTreeLeafNode.prototype.getClass = function getClass () {
-	    return IntervalRTreeLeafNode
-	  };
-
-	  return IntervalRTreeLeafNode;
-	}(IntervalRTreeNode));
-
-	var IntervalRTreeBranchNode = (function (IntervalRTreeNode$$1) {
-	  function IntervalRTreeBranchNode () {
-	    IntervalRTreeNode$$1.call(this);
-	    this._node1 = null;
-	    this._node2 = null;
-	    var n1 = arguments[0];
-	    var n2 = arguments[1];
-	    this._node1 = n1;
-	    this._node2 = n2;
-	    this.buildExtent(this._node1, this._node2);
-	  }
-
-	  if ( IntervalRTreeNode$$1 ) IntervalRTreeBranchNode.__proto__ = IntervalRTreeNode$$1;
-	  IntervalRTreeBranchNode.prototype = Object.create( IntervalRTreeNode$$1 && IntervalRTreeNode$$1.prototype );
-	  IntervalRTreeBranchNode.prototype.constructor = IntervalRTreeBranchNode;
-	  IntervalRTreeBranchNode.prototype.buildExtent = function buildExtent (n1, n2) {
-	    this._min = Math.min(n1._min, n2._min);
-	    this._max = Math.max(n1._max, n2._max);
-	  };
-	  IntervalRTreeBranchNode.prototype.query = function query (queryMin, queryMax, visitor) {
-	    if (!this.intersects(queryMin, queryMax)) {
-	      return null
-	    }
-	    if (this._node1 !== null) { this._node1.query(queryMin, queryMax, visitor); }
-	    if (this._node2 !== null) { this._node2.query(queryMin, queryMax, visitor); }
-	  };
-	  IntervalRTreeBranchNode.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  IntervalRTreeBranchNode.prototype.getClass = function getClass () {
-	    return IntervalRTreeBranchNode
-	  };
-
-	  return IntervalRTreeBranchNode;
-	}(IntervalRTreeNode));
-
-	var SortedPackedIntervalRTree = function SortedPackedIntervalRTree () {
-	  this._leaves = new ArrayList();
-	  this._root = null;
-	  this._level = 0;
-	};
-	SortedPackedIntervalRTree.prototype.buildTree = function buildTree () {
-	    var this$1 = this;
-
-	  Collections.sort(this._leaves, new IntervalRTreeNode.NodeComparator());
-	  var src = this._leaves;
-	  var temp = null;
-	  var dest = new ArrayList();
-	  while (true) {
-	    this$1.buildLevel(src, dest);
-	    if (dest.size() === 1) { return dest.get(0) }
-	    temp = src;
-	    src = dest;
-	    dest = temp;
-	  }
-	};
-	SortedPackedIntervalRTree.prototype.insert = function insert (min, max, item) {
-	  if (this._root !== null) { throw new Error('Index cannot be added to once it has been queried') }
-	  this._leaves.add(new IntervalRTreeLeafNode(min, max, item));
-	};
-	SortedPackedIntervalRTree.prototype.query = function query (min, max, visitor) {
-	  this.init();
-	  this._root.query(min, max, visitor);
-	};
-	SortedPackedIntervalRTree.prototype.buildRoot = function buildRoot () {
-	  if (this._root !== null) { return null }
-	  this._root = this.buildTree();
-	};
-	SortedPackedIntervalRTree.prototype.printNode = function printNode (node) {
-	  System.out.println(WKTWriter.toLineString(new Coordinate(node._min, this._level), new Coordinate(node._max, this._level)));
-	};
-	SortedPackedIntervalRTree.prototype.init = function init () {
-	  if (this._root !== null) { return null }
-	  this.buildRoot();
-	};
-	SortedPackedIntervalRTree.prototype.buildLevel = function buildLevel (src, dest) {
-	  this._level++;
-	  dest.clear();
-	  for (var i = 0; i < src.size(); i += 2) {
-	    var n1 = src.get(i);
-	    var n2 = i + 1 < src.size() ? src.get(i) : null;
-	    if (n2 === null) {
-	      dest.add(n1);
-	    } else {
-	      var node = new IntervalRTreeBranchNode(src.get(i), src.get(i + 1));
-	      dest.add(node);
-	    }
-	  }
-	};
-	SortedPackedIntervalRTree.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	SortedPackedIntervalRTree.prototype.getClass = function getClass () {
-	  return SortedPackedIntervalRTree
-	};
-
-	var ArrayListVisitor = function ArrayListVisitor () {
-	  this._items = new ArrayList();
-	};
-	ArrayListVisitor.prototype.visitItem = function visitItem (item) {
-	  this._items.add(item);
-	};
-	ArrayListVisitor.prototype.getItems = function getItems () {
-	  return this._items
-	};
-	ArrayListVisitor.prototype.interfaces_ = function interfaces_ () {
-	  return [ItemVisitor]
-	};
-	ArrayListVisitor.prototype.getClass = function getClass () {
-	  return ArrayListVisitor
-	};
-
-	var IndexedPointInAreaLocator = function IndexedPointInAreaLocator () {
-	  this._index = null;
-	  var g = arguments[0];
-	  if (!hasInterface(g, Polygonal)) { throw new IllegalArgumentException('Argument must be Polygonal') }
-	  this._index = new IntervalIndexedGeometry(g);
-	};
-
-	var staticAccessors$44 = { SegmentVisitor: { configurable: true },IntervalIndexedGeometry: { configurable: true } };
-	IndexedPointInAreaLocator.prototype.locate = function locate (p) {
-	  var rcc = new RayCrossingCounter(p);
-	  var visitor = new SegmentVisitor(rcc);
-	  this._index.query(p.y, p.y, visitor);
-	  return rcc.getLocation()
-	};
-	IndexedPointInAreaLocator.prototype.interfaces_ = function interfaces_ () {
-	  return [PointOnGeometryLocator]
-	};
-	IndexedPointInAreaLocator.prototype.getClass = function getClass () {
-	  return IndexedPointInAreaLocator
-	};
-	staticAccessors$44.SegmentVisitor.get = function () { return SegmentVisitor };
-	staticAccessors$44.IntervalIndexedGeometry.get = function () { return IntervalIndexedGeometry };
-
-	Object.defineProperties( IndexedPointInAreaLocator, staticAccessors$44 );
-
-	var SegmentVisitor = function SegmentVisitor () {
-	  this._counter = null;
-	  var counter = arguments[0];
-	  this._counter = counter;
-	};
-	SegmentVisitor.prototype.visitItem = function visitItem (item) {
-	  var seg = item;
-	  this._counter.countSegment(seg.getCoordinate(0), seg.getCoordinate(1));
-	};
-	SegmentVisitor.prototype.interfaces_ = function interfaces_ () {
-	  return [ItemVisitor]
-	};
-	SegmentVisitor.prototype.getClass = function getClass () {
-	  return SegmentVisitor
-	};
-
-	var IntervalIndexedGeometry = function IntervalIndexedGeometry () {
-	  this._index = new SortedPackedIntervalRTree();
-	  var geom = arguments[0];
-	  this.init(geom);
-	};
-	IntervalIndexedGeometry.prototype.init = function init (geom) {
-	    var this$1 = this;
-
-	  var lines = LinearComponentExtracter.getLines(geom);
-	  for (var i = lines.iterator(); i.hasNext();) {
-	    var line = i.next();
-	    var pts = line.getCoordinates();
-	    this$1.addLine(pts);
-	  }
-	};
-	IntervalIndexedGeometry.prototype.addLine = function addLine (pts) {
-	    var this$1 = this;
-
-	  for (var i = 1; i < pts.length; i++) {
-	    var seg = new LineSegment(pts[i - 1], pts[i]);
-	    var min = Math.min(seg.p0.y, seg.p1.y);
-	    var max = Math.max(seg.p0.y, seg.p1.y);
-	    this$1._index.insert(min, max, seg);
-	  }
-	};
-	IntervalIndexedGeometry.prototype.query = function query () {
-	  if (arguments.length === 2) {
-	    var min = arguments[0];
-	    var max = arguments[1];
-	    var visitor = new ArrayListVisitor();
-	    this._index.query(min, max, visitor);
-	    return visitor.getItems()
-	  } else if (arguments.length === 3) {
-	    var min$1 = arguments[0];
-	    var max$1 = arguments[1];
-	    var visitor$1 = arguments[2];
-	    this._index.query(min$1, max$1, visitor$1);
-	  }
-	};
-	IntervalIndexedGeometry.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	IntervalIndexedGeometry.prototype.getClass = function getClass () {
-	  return IntervalIndexedGeometry
-	};
-
-	var GeometryGraph = (function (PlanarGraph$$1) {
-	  function GeometryGraph () {
-	    PlanarGraph$$1.call(this);
-	    this._parentGeom = null;
-	    this._lineEdgeMap = new HashMap();
-	    this._boundaryNodeRule = null;
-	    this._useBoundaryDeterminationRule = true;
-	    this._argIndex = null;
-	    this._boundaryNodes = null;
-	    this._hasTooFewPoints = false;
-	    this._invalidPoint = null;
-	    this._areaPtLocator = null;
-	    this._ptLocator = new PointLocator();
-	    if (arguments.length === 2) {
-	      var argIndex = arguments[0];
-	      var parentGeom = arguments[1];
-	      var boundaryNodeRule = BoundaryNodeRule.OGC_SFS_BOUNDARY_RULE;
-	      this._argIndex = argIndex;
-	      this._parentGeom = parentGeom;
-	      this._boundaryNodeRule = boundaryNodeRule;
-	      if (parentGeom !== null) {
-	        this.add(parentGeom);
-	      }
-	    } else if (arguments.length === 3) {
-	      var argIndex$1 = arguments[0];
-	      var parentGeom$1 = arguments[1];
-	      var boundaryNodeRule$1 = arguments[2];
-	      this._argIndex = argIndex$1;
-	      this._parentGeom = parentGeom$1;
-	      this._boundaryNodeRule = boundaryNodeRule$1;
-	      if (parentGeom$1 !== null) {
-	        this.add(parentGeom$1);
-	      }
-	    }
-	  }
-
-	  if ( PlanarGraph$$1 ) GeometryGraph.__proto__ = PlanarGraph$$1;
-	  GeometryGraph.prototype = Object.create( PlanarGraph$$1 && PlanarGraph$$1.prototype );
-	  GeometryGraph.prototype.constructor = GeometryGraph;
-	  GeometryGraph.prototype.insertBoundaryPoint = function insertBoundaryPoint (argIndex, coord) {
-	    var n = this._nodes.addNode(coord);
-	    var lbl = n.getLabel();
-	    var boundaryCount = 1;
-	    var loc = Location.NONE;
-	    loc = lbl.getLocation(argIndex, Position.ON);
-	    if (loc === Location.BOUNDARY) { boundaryCount++; }
-	    var newLoc = GeometryGraph.determineBoundary(this._boundaryNodeRule, boundaryCount);
-	    lbl.setLocation(argIndex, newLoc);
-	  };
-	  GeometryGraph.prototype.computeSelfNodes = function computeSelfNodes () {
-	    if (arguments.length === 2) {
-	      var li = arguments[0];
-	      var computeRingSelfNodes = arguments[1];
-	      return this.computeSelfNodes(li, computeRingSelfNodes, false)
-	    } else if (arguments.length === 3) {
-	      var li$1 = arguments[0];
-	      var computeRingSelfNodes$1 = arguments[1];
-	      var isDoneIfProperInt = arguments[2];
-	      var si = new SegmentIntersector$2(li$1, true, false);
-	      si.setIsDoneIfProperInt(isDoneIfProperInt);
-	      var esi = this.createEdgeSetIntersector();
-	      var isRings = this._parentGeom instanceof LinearRing || this._parentGeom instanceof Polygon || this._parentGeom instanceof MultiPolygon;
-	      var computeAllSegments = computeRingSelfNodes$1 || !isRings;
-	      esi.computeIntersections(this._edges, si, computeAllSegments);
-	      this.addSelfIntersectionNodes(this._argIndex);
-	      return si
-	    }
-	  };
-	  GeometryGraph.prototype.computeSplitEdges = function computeSplitEdges (edgelist) {
-	    for (var i = this._edges.iterator(); i.hasNext();) {
-	      var e = i.next();
-	      e.eiList.addSplitEdges(edgelist);
-	    }
-	  };
-	  GeometryGraph.prototype.computeEdgeIntersections = function computeEdgeIntersections (g, li, includeProper) {
-	    var si = new SegmentIntersector$2(li, includeProper, true);
-	    si.setBoundaryNodes(this.getBoundaryNodes(), g.getBoundaryNodes());
-	    var esi = this.createEdgeSetIntersector();
-	    esi.computeIntersections(this._edges, g._edges, si);
-	    return si
-	  };
-	  GeometryGraph.prototype.getGeometry = function getGeometry () {
-	    return this._parentGeom
-	  };
-	  GeometryGraph.prototype.getBoundaryNodeRule = function getBoundaryNodeRule () {
-	    return this._boundaryNodeRule
-	  };
-	  GeometryGraph.prototype.hasTooFewPoints = function hasTooFewPoints () {
-	    return this._hasTooFewPoints
-	  };
-	  GeometryGraph.prototype.addPoint = function addPoint () {
-	    if (arguments[0] instanceof Point$1) {
-	      var p = arguments[0];
-	      var coord = p.getCoordinate();
-	      this.insertPoint(this._argIndex, coord, Location.INTERIOR);
-	    } else if (arguments[0] instanceof Coordinate) {
-	      var pt = arguments[0];
-	      this.insertPoint(this._argIndex, pt, Location.INTERIOR);
-	    }
-	  };
-	  GeometryGraph.prototype.addPolygon = function addPolygon (p) {
-	    var this$1 = this;
-
-	    this.addPolygonRing(p.getExteriorRing(), Location.EXTERIOR, Location.INTERIOR);
-	    for (var i = 0; i < p.getNumInteriorRing(); i++) {
-	      var hole = p.getInteriorRingN(i);
-	      this$1.addPolygonRing(hole, Location.INTERIOR, Location.EXTERIOR);
-	    }
-	  };
-	  GeometryGraph.prototype.addEdge = function addEdge (e) {
-	    this.insertEdge(e);
-	    var coord = e.getCoordinates();
-	    this.insertPoint(this._argIndex, coord[0], Location.BOUNDARY);
-	    this.insertPoint(this._argIndex, coord[coord.length - 1], Location.BOUNDARY);
-	  };
-	  GeometryGraph.prototype.addLineString = function addLineString (line) {
-	    var coord = CoordinateArrays.removeRepeatedPoints(line.getCoordinates());
-	    if (coord.length < 2) {
-	      this._hasTooFewPoints = true;
-	      this._invalidPoint = coord[0];
-	      return null
-	    }
-	    var e = new Edge(coord, new Label(this._argIndex, Location.INTERIOR));
-	    this._lineEdgeMap.put(line, e);
-	    this.insertEdge(e);
-	    Assert.isTrue(coord.length >= 2, 'found LineString with single point');
-	    this.insertBoundaryPoint(this._argIndex, coord[0]);
-	    this.insertBoundaryPoint(this._argIndex, coord[coord.length - 1]);
-	  };
-	  GeometryGraph.prototype.getInvalidPoint = function getInvalidPoint () {
-	    return this._invalidPoint
-	  };
-	  GeometryGraph.prototype.getBoundaryPoints = function getBoundaryPoints () {
-	    var coll = this.getBoundaryNodes();
-	    var pts = new Array(coll.size()).fill(null);
-	    var i = 0;
-	    for (var it = coll.iterator(); it.hasNext();) {
-	      var node = it.next();
-	      pts[i++] = node.getCoordinate().copy();
-	    }
-	    return pts
-	  };
-	  GeometryGraph.prototype.getBoundaryNodes = function getBoundaryNodes () {
-	    if (this._boundaryNodes === null) { this._boundaryNodes = this._nodes.getBoundaryNodes(this._argIndex); }
-	    return this._boundaryNodes
-	  };
-	  GeometryGraph.prototype.addSelfIntersectionNode = function addSelfIntersectionNode (argIndex, coord, loc) {
-	    if (this.isBoundaryNode(argIndex, coord)) { return null }
-	    if (loc === Location.BOUNDARY && this._useBoundaryDeterminationRule) { this.insertBoundaryPoint(argIndex, coord); } else { this.insertPoint(argIndex, coord, loc); }
-	  };
-	  GeometryGraph.prototype.addPolygonRing = function addPolygonRing (lr, cwLeft, cwRight) {
-	    if (lr.isEmpty()) { return null }
-	    var coord = CoordinateArrays.removeRepeatedPoints(lr.getCoordinates());
-	    if (coord.length < 4) {
-	      this._hasTooFewPoints = true;
-	      this._invalidPoint = coord[0];
-	      return null
-	    }
-	    var left = cwLeft;
-	    var right = cwRight;
-	    if (CGAlgorithms.isCCW(coord)) {
-	      left = cwRight;
-	      right = cwLeft;
-	    }
-	    var e = new Edge(coord, new Label(this._argIndex, Location.BOUNDARY, left, right));
-	    this._lineEdgeMap.put(lr, e);
-	    this.insertEdge(e);
-	    this.insertPoint(this._argIndex, coord[0], Location.BOUNDARY);
-	  };
-	  GeometryGraph.prototype.insertPoint = function insertPoint (argIndex, coord, onLocation) {
-	    var n = this._nodes.addNode(coord);
-	    var lbl = n.getLabel();
-	    if (lbl === null) {
-	      n._label = new Label(argIndex, onLocation);
-	    } else { lbl.setLocation(argIndex, onLocation); }
-	  };
-	  GeometryGraph.prototype.createEdgeSetIntersector = function createEdgeSetIntersector () {
-	    return new SimpleMCSweepLineIntersector()
-	  };
-	  GeometryGraph.prototype.addSelfIntersectionNodes = function addSelfIntersectionNodes (argIndex) {
-	    var this$1 = this;
-
-	    for (var i = this._edges.iterator(); i.hasNext();) {
-	      var e = i.next();
-	      var eLoc = e.getLabel().getLocation(argIndex);
-	      for (var eiIt = e.eiList.iterator(); eiIt.hasNext();) {
-	        var ei = eiIt.next();
-	        this$1.addSelfIntersectionNode(argIndex, ei.coord, eLoc);
-	      }
-	    }
-	  };
-	  GeometryGraph.prototype.add = function add () {
-	    if (arguments.length === 1) {
-	      var g = arguments[0];
-	      if (g.isEmpty()) { return null }
-	      if (g instanceof MultiPolygon) { this._useBoundaryDeterminationRule = false; }
-	      if (g instanceof Polygon) { this.addPolygon(g); }
-	      else if (g instanceof LineString) { this.addLineString(g); }
-	      else if (g instanceof Point$1) { this.addPoint(g); }
-	      else if (g instanceof MultiPoint) { this.addCollection(g); }
-	      else if (g instanceof MultiLineString) { this.addCollection(g); }
-	      else if (g instanceof MultiPolygon) { this.addCollection(g); }
-	      else if (g instanceof GeometryCollection) { this.addCollection(g); }
-	      else { throw new Error(g.getClass().getName()) }
-	    } else { return PlanarGraph$$1.prototype.add.apply(this, arguments) }
-	  };
-	  GeometryGraph.prototype.addCollection = function addCollection (gc) {
-	    var this$1 = this;
-
-	    for (var i = 0; i < gc.getNumGeometries(); i++) {
-	      var g = gc.getGeometryN(i);
-	      this$1.add(g);
-	    }
-	  };
-	  GeometryGraph.prototype.locate = function locate (pt) {
-	    if (hasInterface(this._parentGeom, Polygonal) && this._parentGeom.getNumGeometries() > 50) {
-	      if (this._areaPtLocator === null) {
-	        this._areaPtLocator = new IndexedPointInAreaLocator(this._parentGeom);
-	      }
-	      return this._areaPtLocator.locate(pt)
-	    }
-	    return this._ptLocator.locate(pt, this._parentGeom)
-	  };
-	  GeometryGraph.prototype.findEdge = function findEdge () {
-	    if (arguments.length === 1) {
-	      var line = arguments[0];
-	      return this._lineEdgeMap.get(line)
-	    } else { return PlanarGraph$$1.prototype.findEdge.apply(this, arguments) }
-	  };
-	  GeometryGraph.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  GeometryGraph.prototype.getClass = function getClass () {
-	    return GeometryGraph
-	  };
-	  GeometryGraph.determineBoundary = function determineBoundary (boundaryNodeRule, boundaryCount) {
-	    return boundaryNodeRule.isInBoundary(boundaryCount) ? Location.BOUNDARY : Location.INTERIOR
-	  };
-
-	  return GeometryGraph;
-	}(PlanarGraph));
-
-	var GeometryGraphOp = function GeometryGraphOp () {
-	  this._li = new RobustLineIntersector();
-	  this._resultPrecisionModel = null;
-	  this._arg = null;
-	  if (arguments.length === 1) {
-	    var g0 = arguments[0];
-	    this.setComputationPrecision(g0.getPrecisionModel());
-	    this._arg = new Array(1).fill(null);
-	    this._arg[0] = new GeometryGraph(0, g0);
-	  } else if (arguments.length === 2) {
-	    var g0$1 = arguments[0];
-	    var g1 = arguments[1];
-	    var boundaryNodeRule = BoundaryNodeRule.OGC_SFS_BOUNDARY_RULE;
-	    if (g0$1.getPrecisionModel().compareTo(g1.getPrecisionModel()) >= 0) { this.setComputationPrecision(g0$1.getPrecisionModel()); } else { this.setComputationPrecision(g1.getPrecisionModel()); }
-	    this._arg = new Array(2).fill(null);
-	    this._arg[0] = new GeometryGraph(0, g0$1, boundaryNodeRule);
-	    this._arg[1] = new GeometryGraph(1, g1, boundaryNodeRule);
-	  } else if (arguments.length === 3) {
-	    var g0$2 = arguments[0];
-	    var g1$1 = arguments[1];
-	    var boundaryNodeRule$1 = arguments[2];
-	    if (g0$2.getPrecisionModel().compareTo(g1$1.getPrecisionModel()) >= 0) { this.setComputationPrecision(g0$2.getPrecisionModel()); } else { this.setComputationPrecision(g1$1.getPrecisionModel()); }
-	    this._arg = new Array(2).fill(null);
-	    this._arg[0] = new GeometryGraph(0, g0$2, boundaryNodeRule$1);
-	    this._arg[1] = new GeometryGraph(1, g1$1, boundaryNodeRule$1);
-	  }
-	};
-	GeometryGraphOp.prototype.getArgGeometry = function getArgGeometry (i) {
-	  return this._arg[i].getGeometry()
-	};
-	GeometryGraphOp.prototype.setComputationPrecision = function setComputationPrecision (pm) {
-	  this._resultPrecisionModel = pm;
-	  this._li.setPrecisionModel(this._resultPrecisionModel);
-	};
-	GeometryGraphOp.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryGraphOp.prototype.getClass = function getClass () {
-	  return GeometryGraphOp
-	};
-
-	// operation.geometrygraph
-
-	var GeometryMapper = function GeometryMapper () {};
-
-	GeometryMapper.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryMapper.prototype.getClass = function getClass () {
-	  return GeometryMapper
-	};
-	GeometryMapper.map = function map () {
-	  if (arguments[0] instanceof Geometry && hasInterface(arguments[1], GeometryMapper.MapOp)) {
-	    var geom = arguments[0];
-	    var op = arguments[1];
-	    var mapped = new ArrayList();
-	    for (var i = 0; i < geom.getNumGeometries(); i++) {
-	      var g = op.map(geom.getGeometryN(i));
-	      if (g !== null) { mapped.add(g); }
-	    }
-	    return geom.getFactory().buildGeometry(mapped)
-	  } else if (hasInterface(arguments[0], Collection) && hasInterface(arguments[1], GeometryMapper.MapOp)) {
-	    var geoms = arguments[0];
-	    var op$1 = arguments[1];
-	    var mapped$1 = new ArrayList();
-	    for (var i$1 = geoms.iterator(); i$1.hasNext();) {
-	      var g$1 = i$1.next();
-	      var gr = op$1.map(g$1);
-	      if (gr !== null) { mapped$1.add(gr); }
-	    }
-	    return mapped$1
-	  }
-	};
-	GeometryMapper.MapOp = function MapOp () {};
-
-	var OverlayOp = (function (GeometryGraphOp) {
-	  function OverlayOp () {
-	    var g0 = arguments[0];
-	    var g1 = arguments[1];
-	    GeometryGraphOp.call(this, g0, g1);
-	    this._ptLocator = new PointLocator();
-	    this._geomFact = null;
-	    this._resultGeom = null;
-	    this._graph = null;
-	    this._edgeList = new EdgeList();
-	    this._resultPolyList = new ArrayList();
-	    this._resultLineList = new ArrayList();
-	    this._resultPointList = new ArrayList();
-	    this._graph = new PlanarGraph(new OverlayNodeFactory());
-	    this._geomFact = g0.getFactory();
-	  }
-
-	  if ( GeometryGraphOp ) OverlayOp.__proto__ = GeometryGraphOp;
-	  OverlayOp.prototype = Object.create( GeometryGraphOp && GeometryGraphOp.prototype );
-	  OverlayOp.prototype.constructor = OverlayOp;
-	  OverlayOp.prototype.insertUniqueEdge = function insertUniqueEdge (e) {
-	    var existingEdge = this._edgeList.findEqualEdge(e);
-	    if (existingEdge !== null) {
-	      var existingLabel = existingEdge.getLabel();
-	      var labelToMerge = e.getLabel();
-	      if (!existingEdge.isPointwiseEqual(e)) {
-	        labelToMerge = new Label(e.getLabel());
-	        labelToMerge.flip();
-	      }
-	      var depth = existingEdge.getDepth();
-	      if (depth.isNull()) {
-	        depth.add(existingLabel);
-	      }
-	      depth.add(labelToMerge);
-	      existingLabel.merge(labelToMerge);
-	    } else {
-	      this._edgeList.add(e);
-	    }
-	  };
-	  OverlayOp.prototype.getGraph = function getGraph () {
-	    return this._graph
-	  };
-	  OverlayOp.prototype.cancelDuplicateResultEdges = function cancelDuplicateResultEdges () {
-	    for (var it = this._graph.getEdgeEnds().iterator(); it.hasNext();) {
-	      var de = it.next();
-	      var sym = de.getSym();
-	      if (de.isInResult() && sym.isInResult()) {
-	        de.setInResult(false);
-	        sym.setInResult(false);
-	      }
-	    }
-	  };
-	  OverlayOp.prototype.isCoveredByLA = function isCoveredByLA (coord) {
-	    if (this.isCovered(coord, this._resultLineList)) { return true }
-	    if (this.isCovered(coord, this._resultPolyList)) { return true }
-	    return false
-	  };
-	  OverlayOp.prototype.computeGeometry = function computeGeometry (resultPointList, resultLineList, resultPolyList, opcode) {
-	    var geomList = new ArrayList();
-	    geomList.addAll(resultPointList);
-	    geomList.addAll(resultLineList);
-	    geomList.addAll(resultPolyList);
-	    if (geomList.isEmpty()) { return OverlayOp.createEmptyResult(opcode, this._arg[0].getGeometry(), this._arg[1].getGeometry(), this._geomFact) }
-	    return this._geomFact.buildGeometry(geomList)
-	  };
-	  OverlayOp.prototype.mergeSymLabels = function mergeSymLabels () {
-	    for (var nodeit = this._graph.getNodes().iterator(); nodeit.hasNext();) {
-	      var node = nodeit.next();
-	      node.getEdges().mergeSymLabels();
-	    }
-	  };
-	  OverlayOp.prototype.isCovered = function isCovered (coord, geomList) {
-	    var this$1 = this;
-
-	    for (var it = geomList.iterator(); it.hasNext();) {
-	      var geom = it.next();
-	      var loc = this$1._ptLocator.locate(coord, geom);
-	      if (loc !== Location.EXTERIOR) { return true }
-	    }
-	    return false
-	  };
-	  OverlayOp.prototype.replaceCollapsedEdges = function replaceCollapsedEdges () {
-	    var newEdges = new ArrayList();
-	    for (var it = this._edgeList.iterator(); it.hasNext();) {
-	      var e = it.next();
-	      if (e.isCollapsed()) {
-	        it.remove();
-	        newEdges.add(e.getCollapsedEdge());
-	      }
-	    }
-	    this._edgeList.addAll(newEdges);
-	  };
-	  OverlayOp.prototype.updateNodeLabelling = function updateNodeLabelling () {
-	    for (var nodeit = this._graph.getNodes().iterator(); nodeit.hasNext();) {
-	      var node = nodeit.next();
-	      var lbl = node.getEdges().getLabel();
-	      node.getLabel().merge(lbl);
-	    }
-	  };
-	  OverlayOp.prototype.getResultGeometry = function getResultGeometry (overlayOpCode) {
-	    this.computeOverlay(overlayOpCode);
-	    return this._resultGeom
-	  };
-	  OverlayOp.prototype.insertUniqueEdges = function insertUniqueEdges (edges) {
-	    var this$1 = this;
-
-	    for (var i = edges.iterator(); i.hasNext();) {
-	      var e = i.next();
-	      this$1.insertUniqueEdge(e);
-	    }
-	  };
-	  OverlayOp.prototype.computeOverlay = function computeOverlay (opCode) {
-	    this.copyPoints(0);
-	    this.copyPoints(1);
-	    this._arg[0].computeSelfNodes(this._li, false);
-	    this._arg[1].computeSelfNodes(this._li, false);
-	    this._arg[0].computeEdgeIntersections(this._arg[1], this._li, true);
-	    var baseSplitEdges = new ArrayList();
-	    this._arg[0].computeSplitEdges(baseSplitEdges);
-	    this._arg[1].computeSplitEdges(baseSplitEdges);
-	    // const splitEdges = baseSplitEdges
-	    this.insertUniqueEdges(baseSplitEdges);
-	    this.computeLabelsFromDepths();
-	    this.replaceCollapsedEdges();
-	    EdgeNodingValidator.checkValid(this._edgeList.getEdges());
-	    this._graph.addEdges(this._edgeList.getEdges());
-	    this.computeLabelling();
-	    this.labelIncompleteNodes();
-	    this.findResultAreaEdges(opCode);
-	    this.cancelDuplicateResultEdges();
-	    var polyBuilder = new PolygonBuilder(this._geomFact);
-	    polyBuilder.add(this._graph);
-	    this._resultPolyList = polyBuilder.getPolygons();
-	    var lineBuilder = new LineBuilder(this, this._geomFact, this._ptLocator);
-	    this._resultLineList = lineBuilder.build(opCode);
-	    var pointBuilder = new PointBuilder(this, this._geomFact, this._ptLocator);
-	    this._resultPointList = pointBuilder.build(opCode);
-	    this._resultGeom = this.computeGeometry(this._resultPointList, this._resultLineList, this._resultPolyList, opCode);
-	  };
-	  OverlayOp.prototype.labelIncompleteNode = function labelIncompleteNode (n, targetIndex) {
-	    var loc = this._ptLocator.locate(n.getCoordinate(), this._arg[targetIndex].getGeometry());
-	    n.getLabel().setLocation(targetIndex, loc);
-	  };
-	  OverlayOp.prototype.copyPoints = function copyPoints (argIndex) {
-	    var this$1 = this;
-
-	    for (var i = this._arg[argIndex].getNodeIterator(); i.hasNext();) {
-	      var graphNode = i.next();
-	      var newNode = this$1._graph.addNode(graphNode.getCoordinate());
-	      newNode.setLabel(argIndex, graphNode.getLabel().getLocation(argIndex));
-	    }
-	  };
-	  OverlayOp.prototype.findResultAreaEdges = function findResultAreaEdges (opCode) {
-	    for (var it = this._graph.getEdgeEnds().iterator(); it.hasNext();) {
-	      var de = it.next();
-	      var label = de.getLabel();
-	      if (label.isArea() && !de.isInteriorAreaEdge() && OverlayOp.isResultOfOp(label.getLocation(0, Position.RIGHT), label.getLocation(1, Position.RIGHT), opCode)) {
-	        de.setInResult(true);
-	      }
-	    }
-	  };
-	  OverlayOp.prototype.computeLabelsFromDepths = function computeLabelsFromDepths () {
-	    for (var it = this._edgeList.iterator(); it.hasNext();) {
-	      var e = it.next();
-	      var lbl = e.getLabel();
-	      var depth = e.getDepth();
-	      if (!depth.isNull()) {
-	        depth.normalize();
-	        for (var i = 0; i < 2; i++) {
-	          if (!lbl.isNull(i) && lbl.isArea() && !depth.isNull(i)) {
-	            if (depth.getDelta(i) === 0) {
-	              lbl.toLine(i);
-	            } else {
-	              Assert.isTrue(!depth.isNull(i, Position.LEFT), 'depth of LEFT side has not been initialized');
-	              lbl.setLocation(i, Position.LEFT, depth.getLocation(i, Position.LEFT));
-	              Assert.isTrue(!depth.isNull(i, Position.RIGHT), 'depth of RIGHT side has not been initialized');
-	              lbl.setLocation(i, Position.RIGHT, depth.getLocation(i, Position.RIGHT));
-	            }
-	          }
-	        }
-	      }
-	    }
-	  };
-	  OverlayOp.prototype.computeLabelling = function computeLabelling () {
-	    var this$1 = this;
-
-	    for (var nodeit = this._graph.getNodes().iterator(); nodeit.hasNext();) {
-	      var node = nodeit.next();
-	      node.getEdges().computeLabelling(this$1._arg);
-	    }
-	    this.mergeSymLabels();
-	    this.updateNodeLabelling();
-	  };
-	  OverlayOp.prototype.labelIncompleteNodes = function labelIncompleteNodes () {
-	    var this$1 = this;
-
-	    // let nodeCount = 0
-	    for (var ni = this._graph.getNodes().iterator(); ni.hasNext();) {
-	      var n = ni.next();
-	      var label = n.getLabel();
-	      if (n.isIsolated()) {
-	        // nodeCount++
-	        if (label.isNull(0)) { this$1.labelIncompleteNode(n, 0); } else { this$1.labelIncompleteNode(n, 1); }
-	      }
-	      n.getEdges().updateLabelling(label);
-	    }
-	  };
-	  OverlayOp.prototype.isCoveredByA = function isCoveredByA (coord) {
-	    if (this.isCovered(coord, this._resultPolyList)) { return true }
-	    return false
-	  };
-	  OverlayOp.prototype.interfaces_ = function interfaces_ () {
-	    return []
-	  };
-	  OverlayOp.prototype.getClass = function getClass () {
-	    return OverlayOp
-	  };
-
-	  return OverlayOp;
-	}(GeometryGraphOp));
-
-	OverlayOp.overlayOp = function (geom0, geom1, opCode) {
-	  var gov = new OverlayOp(geom0, geom1);
-	  var geomOv = gov.getResultGeometry(opCode);
-	  return geomOv
-	};
-	OverlayOp.intersection = function (g, other) {
-	  if (g.isEmpty() || other.isEmpty()) { return OverlayOp.createEmptyResult(OverlayOp.INTERSECTION, g, other, g.getFactory()) }
-	  if (g.isGeometryCollection()) {
-	    var g2 = other;
-	    return GeometryCollectionMapper.map(g, {
-	      interfaces_: function () {
-	        return [GeometryMapper.MapOp]
-	      },
-	      map: function (g) {
-	        return g.intersection(g2)
-	      }
-	    })
-	  }
-	  g.checkNotGeometryCollection(g);
-	  g.checkNotGeometryCollection(other);
-	  return SnapIfNeededOverlayOp.overlayOp(g, other, OverlayOp.INTERSECTION)
-	};
-	OverlayOp.symDifference = function (g, other) {
-	  if (g.isEmpty() || other.isEmpty()) {
-	    if (g.isEmpty() && other.isEmpty()) { return OverlayOp.createEmptyResult(OverlayOp.SYMDIFFERENCE, g, other, g.getFactory()) }
-	    if (g.isEmpty()) { return other.copy() }
-	    if (other.isEmpty()) { return g.copy() }
-	  }
-	  g.checkNotGeometryCollection(g);
-	  g.checkNotGeometryCollection(other);
-	  return SnapIfNeededOverlayOp.overlayOp(g, other, OverlayOp.SYMDIFFERENCE)
-	};
-	OverlayOp.resultDimension = function (opCode, g0, g1) {
-	  var dim0 = g0.getDimension();
-	  var dim1 = g1.getDimension();
-	  var resultDimension = -1;
-	  switch (opCode) {
-	    case OverlayOp.INTERSECTION:
-	      resultDimension = Math.min(dim0, dim1);
-	      break
-	    case OverlayOp.UNION:
-	      resultDimension = Math.max(dim0, dim1);
-	      break
-	    case OverlayOp.DIFFERENCE:
-	      resultDimension = dim0;
-	      break
-	    case OverlayOp.SYMDIFFERENCE:
-	      resultDimension = Math.max(dim0, dim1);
-	      break
-	  }
-	  return resultDimension
-	};
-	OverlayOp.createEmptyResult = function (overlayOpCode, a, b, geomFact) {
-	  var result = null;
-	  switch (OverlayOp.resultDimension(overlayOpCode, a, b)) {
-	    case -1:
-	      result = geomFact.createGeometryCollection(new Array(0).fill(null));
-	      break
-	    case 0:
-	      result = geomFact.createPoint();
-	      break
-	    case 1:
-	      result = geomFact.createLineString();
-	      break
-	    case 2:
-	      result = geomFact.createPolygon();
-	      break
-	  }
-	  return result
-	};
-	OverlayOp.difference = function (g, other) {
-	  if (g.isEmpty()) { return OverlayOp.createEmptyResult(OverlayOp.DIFFERENCE, g, other, g.getFactory()) }
-	  if (other.isEmpty()) { return g.copy() }
-	  g.checkNotGeometryCollection(g);
-	  g.checkNotGeometryCollection(other);
-	  return SnapIfNeededOverlayOp.overlayOp(g, other, OverlayOp.DIFFERENCE)
-	};
-	OverlayOp.isResultOfOp = function () {
-	  if (arguments.length === 2) {
-	    var label = arguments[0];
-	    var opCode = arguments[1];
-	    var loc0 = label.getLocation(0);
-	    var loc1 = label.getLocation(1);
-	    return OverlayOp.isResultOfOp(loc0, loc1, opCode)
-	  } else if (arguments.length === 3) {
-	    var loc0$1 = arguments[0];
-	    var loc1$1 = arguments[1];
-	    var overlayOpCode = arguments[2];
-	    if (loc0$1 === Location.BOUNDARY) { loc0$1 = Location.INTERIOR; }
-	    if (loc1$1 === Location.BOUNDARY) { loc1$1 = Location.INTERIOR; }
-	    switch (overlayOpCode) {
-	      case OverlayOp.INTERSECTION:
-	        return loc0$1 === Location.INTERIOR && loc1$1 === Location.INTERIOR
-	      case OverlayOp.UNION:
-	        return loc0$1 === Location.INTERIOR || loc1$1 === Location.INTERIOR
-	      case OverlayOp.DIFFERENCE:
-	        return loc0$1 === Location.INTERIOR && loc1$1 !== Location.INTERIOR
-	      case OverlayOp.SYMDIFFERENCE:
-	        return (loc0$1 === Location.INTERIOR && loc1$1 !== Location.INTERIOR) || (loc0$1 !== Location.INTERIOR && loc1$1 === Location.INTERIOR)
-	    }
-	    return false
-	  }
-	};
-	OverlayOp.INTERSECTION = 1;
-	OverlayOp.UNION = 2;
-	OverlayOp.DIFFERENCE = 3;
-	OverlayOp.SYMDIFFERENCE = 4;
-
-	var FuzzyPointLocator = function FuzzyPointLocator () {
-	  this._g = null;
-	  this._boundaryDistanceTolerance = null;
-	  this._linework = null;
-	  this._ptLocator = new PointLocator();
-	  this._seg = new LineSegment();
-	  var g = arguments[0];
-	  var boundaryDistanceTolerance = arguments[1];
-	  this._g = g;
-	  this._boundaryDistanceTolerance = boundaryDistanceTolerance;
-	  this._linework = this.extractLinework(g);
-	};
-	FuzzyPointLocator.prototype.isWithinToleranceOfBoundary = function isWithinToleranceOfBoundary (pt) {
-	    var this$1 = this;
-
-	  for (var i = 0; i < this._linework.getNumGeometries(); i++) {
-	    var line = this$1._linework.getGeometryN(i);
-	    var seq = line.getCoordinateSequence();
-	    for (var j = 0; j < seq.size() - 1; j++) {
-	      seq.getCoordinate(j, this$1._seg.p0);
-	      seq.getCoordinate(j + 1, this$1._seg.p1);
-	      var dist = this$1._seg.distance(pt);
-	      if (dist <= this$1._boundaryDistanceTolerance) { return true }
-	    }
-	  }
-	  return false
-	};
-	FuzzyPointLocator.prototype.getLocation = function getLocation (pt) {
-	  if (this.isWithinToleranceOfBoundary(pt)) { return Location.BOUNDARY }
-	  return this._ptLocator.locate(pt, this._g)
-	};
-	FuzzyPointLocator.prototype.extractLinework = function extractLinework (g) {
-	  var extracter = new PolygonalLineworkExtracter();
-	  g.apply(extracter);
-	  var linework = extracter.getLinework();
-	  var lines = GeometryFactory.toLineStringArray(linework);
-	  return g.getFactory().createMultiLineString(lines)
-	};
-	FuzzyPointLocator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	FuzzyPointLocator.prototype.getClass = function getClass () {
-	  return FuzzyPointLocator
-	};
-
-	var PolygonalLineworkExtracter = function PolygonalLineworkExtracter () {
-	  this._linework = null;
-	  this._linework = new ArrayList();
-	};
-	PolygonalLineworkExtracter.prototype.getLinework = function getLinework () {
-	  return this._linework
-	};
-	PolygonalLineworkExtracter.prototype.filter = function filter (g) {
-	    var this$1 = this;
-
-	  if (g instanceof Polygon) {
-	    var poly = g;
-	    this._linework.add(poly.getExteriorRing());
-	    for (var i = 0; i < poly.getNumInteriorRing(); i++) {
-	      this$1._linework.add(poly.getInteriorRingN(i));
-	    }
-	  }
-	};
-	PolygonalLineworkExtracter.prototype.interfaces_ = function interfaces_ () {
-	  return [GeometryFilter]
-	};
-	PolygonalLineworkExtracter.prototype.getClass = function getClass () {
-	  return PolygonalLineworkExtracter
-	};
-
-	var OffsetPointGenerator = function OffsetPointGenerator () {
-	  this._g = null;
-	  this._doLeft = true;
-	  this._doRight = true;
-	  var g = arguments[0];
-	  this._g = g;
-	};
-	OffsetPointGenerator.prototype.extractPoints = function extractPoints (line, offsetDistance, offsetPts) {
-	    var this$1 = this;
-
-	  var pts = line.getCoordinates();
-	  for (var i = 0; i < pts.length - 1; i++) {
-	    this$1.computeOffsetPoints(pts[i], pts[i + 1], offsetDistance, offsetPts);
-	  }
-	};
-	OffsetPointGenerator.prototype.setSidesToGenerate = function setSidesToGenerate (doLeft, doRight) {
-	  this._doLeft = doLeft;
-	  this._doRight = doRight;
-	};
-	OffsetPointGenerator.prototype.getPoints = function getPoints (offsetDistance) {
-	    var this$1 = this;
-
-	  var offsetPts = new ArrayList();
-	  var lines = LinearComponentExtracter.getLines(this._g);
-	  for (var i = lines.iterator(); i.hasNext();) {
-	    var line = i.next();
-	    this$1.extractPoints(line, offsetDistance, offsetPts);
-	  }
-	  return offsetPts
-	};
-	OffsetPointGenerator.prototype.computeOffsetPoints = function computeOffsetPoints (p0, p1, offsetDistance, offsetPts) {
-	  var dx = p1.x - p0.x;
-	  var dy = p1.y - p0.y;
-	  var len = Math.sqrt(dx * dx + dy * dy);
-	  var ux = offsetDistance * dx / len;
-	  var uy = offsetDistance * dy / len;
-	  var midX = (p1.x + p0.x) / 2;
-	  var midY = (p1.y + p0.y) / 2;
-	  if (this._doLeft) {
-	    var offsetLeft = new Coordinate(midX - uy, midY + ux);
-	    offsetPts.add(offsetLeft);
-	  }
-	  if (this._doRight) {
-	    var offsetRight = new Coordinate(midX + uy, midY - ux);
-	    offsetPts.add(offsetRight);
-	  }
-	};
-	OffsetPointGenerator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	OffsetPointGenerator.prototype.getClass = function getClass () {
-	  return OffsetPointGenerator
-	};
-
-	var OverlayResultValidator = function OverlayResultValidator () {
-	  this._geom = null;
-	  this._locFinder = null;
-	  this._location = new Array(3).fill(null);
-	  this._invalidLocation = null;
-	  this._boundaryDistanceTolerance = OverlayResultValidator.TOLERANCE;
-	  this._testCoords = new ArrayList();
-	  var a = arguments[0];
-	  var b = arguments[1];
-	  var result = arguments[2];
-	  this._boundaryDistanceTolerance = OverlayResultValidator.computeBoundaryDistanceTolerance(a, b);
-	  this._geom = [a, b, result];
-	  this._locFinder = [new FuzzyPointLocator(this._geom[0], this._boundaryDistanceTolerance), new FuzzyPointLocator(this._geom[1], this._boundaryDistanceTolerance), new FuzzyPointLocator(this._geom[2], this._boundaryDistanceTolerance)];
-	};
-
-	var staticAccessors$46 = { TOLERANCE: { configurable: true } };
-	OverlayResultValidator.prototype.reportResult = function reportResult (overlayOp, location, expectedInterior) {
-	  System.out.println('Overlay result invalid - A:' + Location.toLocationSymbol(location[0]) + ' B:' + Location.toLocationSymbol(location[1]) + ' expected:' + (expectedInterior ? 'i' : 'e') + ' actual:' + Location.toLocationSymbol(location[2]));
-	};
-	OverlayResultValidator.prototype.isValid = function isValid (overlayOp) {
-	  this.addTestPts(this._geom[0]);
-	  this.addTestPts(this._geom[1]);
-	  var isValid = this.checkValid(overlayOp);
-	  return isValid
-	};
-	OverlayResultValidator.prototype.checkValid = function checkValid () {
-	    var this$1 = this;
-
-	  if (arguments.length === 1) {
-	    var overlayOp = arguments[0];
-	    for (var i = 0; i < this._testCoords.size(); i++) {
-	      var pt = this$1._testCoords.get(i);
-	      if (!this$1.checkValid(overlayOp, pt)) {
-	        this$1._invalidLocation = pt;
-	        return false
-	      }
-	    }
-	    return true
-	  } else if (arguments.length === 2) {
-	    var overlayOp$1 = arguments[0];
-	    var pt$1 = arguments[1];
-	    this._location[0] = this._locFinder[0].getLocation(pt$1);
-	    this._location[1] = this._locFinder[1].getLocation(pt$1);
-	    this._location[2] = this._locFinder[2].getLocation(pt$1);
-	    if (OverlayResultValidator.hasLocation(this._location, Location.BOUNDARY)) { return true }
-	    return this.isValidResult(overlayOp$1, this._location)
-	  }
-	};
-	OverlayResultValidator.prototype.addTestPts = function addTestPts (g) {
-	  var ptGen = new OffsetPointGenerator(g);
-	  this._testCoords.addAll(ptGen.getPoints(5 * this._boundaryDistanceTolerance));
-	};
-	OverlayResultValidator.prototype.isValidResult = function isValidResult (overlayOp, location) {
-	  var expectedInterior = OverlayOp.isResultOfOp(location[0], location[1], overlayOp);
-	  var resultInInterior = location[2] === Location.INTERIOR;
-	  var isValid = !(expectedInterior ^ resultInInterior);
-	  if (!isValid) { this.reportResult(overlayOp, location, expectedInterior); }
-	  return isValid
-	};
-	OverlayResultValidator.prototype.getInvalidLocation = function getInvalidLocation () {
-	  return this._invalidLocation
-	};
-	OverlayResultValidator.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	OverlayResultValidator.prototype.getClass = function getClass () {
-	  return OverlayResultValidator
-	};
-	OverlayResultValidator.hasLocation = function hasLocation (location, loc) {
-	  for (var i = 0; i < 3; i++) {
-	    if (location[i] === loc) { return true }
-	  }
-	  return false
-	};
-	OverlayResultValidator.computeBoundaryDistanceTolerance = function computeBoundaryDistanceTolerance (g0, g1) {
-	  return Math.min(GeometrySnapper.computeSizeBasedSnapTolerance(g0), GeometrySnapper.computeSizeBasedSnapTolerance(g1))
-	};
-	OverlayResultValidator.isValid = function isValid (a, b, overlayOp, result) {
-	  var validator = new OverlayResultValidator(a, b, result);
-	  return validator.isValid(overlayOp)
-	};
-	staticAccessors$46.TOLERANCE.get = function () { return 0.000001 };
-
-	Object.defineProperties( OverlayResultValidator, staticAccessors$46 );
-
-	// operation.overlay
-
-	var GeometryCombiner = function GeometryCombiner (geoms) {
-	  this._geomFactory = null;
-	  this._skipEmpty = false;
-	  this._inputGeoms = null;
-	  this._geomFactory = GeometryCombiner.extractFactory(geoms);
-	  this._inputGeoms = geoms;
-	};
-	GeometryCombiner.prototype.extractElements = function extractElements (geom, elems) {
-	    var this$1 = this;
-
-	  if (geom === null) { return null }
-	  for (var i = 0; i < geom.getNumGeometries(); i++) {
-	    var elemGeom = geom.getGeometryN(i);
-	    if (this$1._skipEmpty && elemGeom.isEmpty()) { continue }
-	    elems.add(elemGeom);
-	  }
-	};
-	GeometryCombiner.prototype.combine = function combine () {
-	    var this$1 = this;
-
-	  var elems = new ArrayList();
-	  for (var i = this._inputGeoms.iterator(); i.hasNext();) {
-	    var g = i.next();
-	    this$1.extractElements(g, elems);
-	  }
-	  if (elems.size() === 0) {
-	    if (this._geomFactory !== null) {
-	      return this._geomFactory.createGeometryCollection(null)
-	    }
-	    return null
-	  }
-	  return this._geomFactory.buildGeometry(elems)
-	};
-	GeometryCombiner.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	GeometryCombiner.prototype.getClass = function getClass () {
-	  return GeometryCombiner
-	};
-	GeometryCombiner.combine = function combine () {
-	  if (arguments.length === 1) {
-	    var geoms = arguments[0];
-	    var combiner = new GeometryCombiner(geoms);
-	    return combiner.combine()
-	  } else if (arguments.length === 2) {
-	    var g0 = arguments[0];
-	    var g1 = arguments[1];
-	    var combiner$1 = new GeometryCombiner(GeometryCombiner.createList(g0, g1));
-	    return combiner$1.combine()
-	  } else if (arguments.length === 3) {
-	    var g0$1 = arguments[0];
-	    var g1$1 = arguments[1];
-	    var g2 = arguments[2];
-	    var combiner$2 = new GeometryCombiner(GeometryCombiner.createList(g0$1, g1$1, g2));
-	    return combiner$2.combine()
-	  }
-	};
-	GeometryCombiner.extractFactory = function extractFactory (geoms) {
-	  if (geoms.isEmpty()) { return null }
-	  return geoms.iterator().next().getFactory()
-	};
-	GeometryCombiner.createList = function createList () {
-	  if (arguments.length === 2) {
-	    var obj0 = arguments[0];
-	    var obj1 = arguments[1];
-	    var list = new ArrayList();
-	    list.add(obj0);
-	    list.add(obj1);
-	    return list
-	  } else if (arguments.length === 3) {
-	    var obj0$1 = arguments[0];
-	    var obj1$1 = arguments[1];
-	    var obj2 = arguments[2];
-	    var list$1 = new ArrayList();
-	    list$1.add(obj0$1);
-	    list$1.add(obj1$1);
-	    list$1.add(obj2);
-	    return list$1
-	  }
-	};
-
-	var CascadedPolygonUnion = function CascadedPolygonUnion () {
-	  this._inputPolys = null;
-	  this._geomFactory = null;
-	  var polys = arguments[0];
-	  this._inputPolys = polys;
-	  if (this._inputPolys === null) { this._inputPolys = new ArrayList(); }
-	};
-
-	var staticAccessors$47 = { STRTREE_NODE_CAPACITY: { configurable: true } };
-	CascadedPolygonUnion.prototype.reduceToGeometries = function reduceToGeometries (geomTree) {
-	    var this$1 = this;
-
-	  var geoms = new ArrayList();
-	  for (var i = geomTree.iterator(); i.hasNext();) {
-	    var o = i.next();
-	    var geom = null;
-	    if (hasInterface(o, List)) {
-	      geom = this$1.unionTree(o);
-	    } else if (o instanceof Geometry) {
-	      geom = o;
-	    }
-	    geoms.add(geom);
-	  }
-	  return geoms
-	};
-	CascadedPolygonUnion.prototype.extractByEnvelope = function extractByEnvelope (env, geom, disjointGeoms) {
-	  var intersectingGeoms = new ArrayList();
-	  for (var i = 0; i < geom.getNumGeometries(); i++) {
-	    var elem = geom.getGeometryN(i);
-	    if (elem.getEnvelopeInternal().intersects(env)) { intersectingGeoms.add(elem); } else { disjointGeoms.add(elem); }
-	  }
-	  return this._geomFactory.buildGeometry(intersectingGeoms)
-	};
-	CascadedPolygonUnion.prototype.unionOptimized = function unionOptimized (g0, g1) {
-	  var g0Env = g0.getEnvelopeInternal();
-	  var g1Env = g1.getEnvelopeInternal();
-	  if (!g0Env.intersects(g1Env)) {
-	    var combo = GeometryCombiner.combine(g0, g1);
-	    return combo
-	  }
-	  if (g0.getNumGeometries() <= 1 && g1.getNumGeometries() <= 1) { return this.unionActual(g0, g1) }
-	  var commonEnv = g0Env.intersection(g1Env);
-	  return this.unionUsingEnvelopeIntersection(g0, g1, commonEnv)
-	};
-	CascadedPolygonUnion.prototype.union = function union () {
-	  if (this._inputPolys === null) { throw new Error('union() method cannot be called twice') }
-	  if (this._inputPolys.isEmpty()) { return null }
-	  this._geomFactory = this._inputPolys.iterator().next().getFactory();
-	  var index = new STRtree(CascadedPolygonUnion.STRTREE_NODE_CAPACITY);
-	  for (var i = this._inputPolys.iterator(); i.hasNext();) {
-	    var item = i.next();
-	    index.insert(item.getEnvelopeInternal(), item);
-	  }
-	  this._inputPolys = null;
-	  var itemTree = index.itemsTree();
-	  var unionAll = this.unionTree(itemTree);
-	  return unionAll
-	};
-	CascadedPolygonUnion.prototype.binaryUnion = function binaryUnion () {
-	  if (arguments.length === 1) {
-	    var geoms = arguments[0];
-	    return this.binaryUnion(geoms, 0, geoms.size())
-	  } else if (arguments.length === 3) {
-	    var geoms$1 = arguments[0];
-	    var start = arguments[1];
-	    var end = arguments[2];
-	    if (end - start <= 1) {
-	      var g0 = CascadedPolygonUnion.getGeometry(geoms$1, start);
-	      return this.unionSafe(g0, null)
-	    } else if (end - start === 2) {
-	      return this.unionSafe(CascadedPolygonUnion.getGeometry(geoms$1, start), CascadedPolygonUnion.getGeometry(geoms$1, start + 1))
-	    } else {
-	      var mid = Math.trunc((end + start) / 2);
-	      var g0$1 = this.binaryUnion(geoms$1, start, mid);
-	      var g1 = this.binaryUnion(geoms$1, mid, end);
-	      return this.unionSafe(g0$1, g1)
-	    }
-	  }
-	};
-	CascadedPolygonUnion.prototype.repeatedUnion = function repeatedUnion (geoms) {
-	  var union = null;
-	  for (var i = geoms.iterator(); i.hasNext();) {
-	    var g = i.next();
-	    if (union === null) { union = g.copy(); } else { union = union.union(g); }
-	  }
-	  return union
-	};
-	CascadedPolygonUnion.prototype.unionSafe = function unionSafe (g0, g1) {
-	  if (g0 === null && g1 === null) { return null }
-	  if (g0 === null) { return g1.copy() }
-	  if (g1 === null) { return g0.copy() }
-	  return this.unionOptimized(g0, g1)
-	};
-	CascadedPolygonUnion.prototype.unionActual = function unionActual (g0, g1) {
-	  return CascadedPolygonUnion.restrictToPolygons(g0.union(g1))
-	};
-	CascadedPolygonUnion.prototype.unionTree = function unionTree (geomTree) {
-	  var geoms = this.reduceToGeometries(geomTree);
-	  var union = this.binaryUnion(geoms);
-	  return union
-	};
-	CascadedPolygonUnion.prototype.unionUsingEnvelopeIntersection = function unionUsingEnvelopeIntersection (g0, g1, common) {
-	  var disjointPolys = new ArrayList();
-	  var g0Int = this.extractByEnvelope(common, g0, disjointPolys);
-	  var g1Int = this.extractByEnvelope(common, g1, disjointPolys);
-	  var union = this.unionActual(g0Int, g1Int);
-	  disjointPolys.add(union);
-	  var overallUnion = GeometryCombiner.combine(disjointPolys);
-	  return overallUnion
-	};
-	CascadedPolygonUnion.prototype.bufferUnion = function bufferUnion () {
-	  if (arguments.length === 1) {
-	    var geoms = arguments[0];
-	    var factory = geoms.get(0).getFactory();
-	    var gColl = factory.buildGeometry(geoms);
-	    var unionAll = gColl.buffer(0.0);
-	    return unionAll
-	  } else if (arguments.length === 2) {
-	    var g0 = arguments[0];
-	    var g1 = arguments[1];
-	    var factory$1 = g0.getFactory();
-	    var gColl$1 = factory$1.createGeometryCollection([g0, g1]);
-	    var unionAll$1 = gColl$1.buffer(0.0);
-	    return unionAll$1
-	  }
-	};
-	CascadedPolygonUnion.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	CascadedPolygonUnion.prototype.getClass = function getClass () {
-	  return CascadedPolygonUnion
-	};
-	CascadedPolygonUnion.restrictToPolygons = function restrictToPolygons (g) {
-	  if (hasInterface(g, Polygonal)) {
-	    return g
-	  }
-	  var polygons = PolygonExtracter.getPolygons(g);
-	  if (polygons.size() === 1) { return polygons.get(0) }
-	  return g.getFactory().createMultiPolygon(GeometryFactory.toPolygonArray(polygons))
-	};
-	CascadedPolygonUnion.getGeometry = function getGeometry (list, index) {
-	  if (index >= list.size()) { return null }
-	  return list.get(index)
-	};
-	CascadedPolygonUnion.union = function union (polys) {
-	  var op = new CascadedPolygonUnion(polys);
-	  return op.union()
-	};
-	staticAccessors$47.STRTREE_NODE_CAPACITY.get = function () { return 4 };
-
-	Object.defineProperties( CascadedPolygonUnion, staticAccessors$47 );
-
-	var UnionOp = function UnionOp () {};
-
-	UnionOp.prototype.interfaces_ = function interfaces_ () {
-	  return []
-	};
-	UnionOp.prototype.getClass = function getClass () {
-	  return UnionOp
-	};
-	UnionOp.union = function union (g, other) {
-	  if (g.isEmpty() || other.isEmpty()) {
-	    if (g.isEmpty() && other.isEmpty()) { return OverlayOp.createEmptyResult(OverlayOp.UNION, g, other, g.getFactory()) }
-	    if (g.isEmpty()) { return other.copy() }
-	    if (other.isEmpty()) { return g.copy() }
-	  }
-	  g.checkNotGeometryCollection(g);
-	  g.checkNotGeometryCollection(other);
-	  return SnapIfNeededOverlayOp.overlayOp(g, other, OverlayOp.UNION)
-	};
-
-	/**
-	 * Earth Radius used with the Harvesine formula and approximates using a spherical (non-ellipsoid) Earth.
-	 */
-
-	/**
-	 * Wraps a GeoJSON {@link Geometry} in a GeoJSON {@link Feature}.
-	 *
-	 * @name feature
-	 * @param {Geometry} geometry input geometry
-	 * @param {Object} [properties={}] an Object of key-value pairs to add as properties
-	 * @param {Object} [options={}] Optional Parameters
-	 * @param {Array<number>} [options.bbox] Bounding Box Array [west, south, east, north] associated with the Feature
-	 * @param {string|number} [options.id] Identifier associated with the Feature
-	 * @returns {Feature} a GeoJSON Feature
-	 * @example
-	 * var geometry = {
-	 *   "type": "Point",
-	 *   "coordinates": [110, 50]
-	 * };
-	 *
-	 * var feature = turf.feature(geometry);
-	 *
-	 * //=feature
-	 */
-	function feature$1(geometry, properties, options) {
-	    // Optional Parameters
-	    options = options || {};
-	    if (!isObject$4(options)) throw new Error('options is invalid');
-	    var bbox = options.bbox;
-	    var id = options.id;
-
-	    // Validation
-	    if (geometry === undefined) throw new Error('geometry is required');
-	    if (properties && properties.constructor !== Object) throw new Error('properties must be an Object');
-	    if (bbox) validateBBox(bbox);
-	    if (id) validateId(id);
-
-	    // Main
-	    var feat = {type: 'Feature'};
-	    if (id) feat.id = id;
-	    if (bbox) feat.bbox = bbox;
-	    feat.properties = properties || {};
-	    feat.geometry = geometry;
-	    return feat;
-	}
-
-	/**
-	 * isNumber
-	 *
-	 * @param {*} num Number to validate
-	 * @returns {boolean} true/false
-	 * @example
-	 * turf.isNumber(123)
-	 * //=true
-	 * turf.isNumber('foo')
-	 * //=false
-	 */
-	function isNumber$1(num) {
-	    return !isNaN(num) && num !== null && !Array.isArray(num);
-	}
-
-	/**
-	 * isObject
-	 *
-	 * @param {*} input variable to validate
-	 * @returns {boolean} true/false
-	 * @example
-	 * turf.isObject({elevation: 10})
-	 * //=true
-	 * turf.isObject('foo')
-	 * //=false
-	 */
-	function isObject$4(input) {
-	    return (!!input) && (input.constructor === Object);
-	}
-
-	/**
-	 * Validate BBox
-	 *
-	 * @private
-	 * @param {Array<number>} bbox BBox to validate
-	 * @returns {void}
-	 * @throws Error if BBox is not valid
-	 * @example
-	 * validateBBox([-180, -40, 110, 50])
-	 * //=OK
-	 * validateBBox([-180, -40])
-	 * //=Error
-	 * validateBBox('Foo')
-	 * //=Error
-	 * validateBBox(5)
-	 * //=Error
-	 * validateBBox(null)
-	 * //=Error
-	 * validateBBox(undefined)
-	 * //=Error
-	 */
-	function validateBBox(bbox) {
-	    if (!bbox) throw new Error('bbox is required');
-	    if (!Array.isArray(bbox)) throw new Error('bbox must be an Array');
-	    if (bbox.length !== 4 && bbox.length !== 6) throw new Error('bbox must be an Array of 4 or 6 numbers');
-	    bbox.forEach(function (num) {
-	        if (!isNumber$1(num)) throw new Error('bbox must only contain numbers');
-	    });
-	}
-
-	/**
-	 * Validate Id
-	 *
-	 * @private
-	 * @param {string|number} id Id to validate
-	 * @returns {void}
-	 * @throws Error if Id is not valid
-	 * @example
-	 * validateId([-180, -40, 110, 50])
-	 * //=Error
-	 * validateId([-180, -40])
-	 * //=Error
-	 * validateId('Foo')
-	 * //=OK
-	 * validateId(5)
-	 * //=OK
-	 * validateId(null)
-	 * //=Error
-	 * validateId(undefined)
-	 * //=Error
-	 */
-	function validateId(id) {
-	    if (!id) throw new Error('id is required');
-	    if (['string', 'number'].indexOf(typeof id) === -1) throw new Error('id must be a number or a string');
-	}
-
-	/**
-	 * Callback for geomEach
-	 *
-	 * @callback geomEachCallback
-	 * @param {Geometry} currentGeometry The current Geometry being processed.
-	 * @param {number} featureIndex The current index of the Feature being processed.
-	 * @param {Object} featureProperties The current Feature Properties being processed.
-	 * @param {Array<number>} featureBBox The current Feature BBox being processed.
-	 * @param {number|string} featureId The current Feature Id being processed.
-	 */
-
-	/**
-	 * Iterate over each geometry in any GeoJSON object, similar to Array.forEach()
-	 *
-	 * @name geomEach
-	 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
-	 * @param {Function} callback a method that takes (currentGeometry, featureIndex, featureProperties, featureBBox, featureId)
-	 * @returns {void}
-	 * @example
-	 * var features = turf.featureCollection([
-	 *     turf.point([26, 37], {foo: 'bar'}),
-	 *     turf.point([36, 53], {hello: 'world'})
-	 * ]);
-	 *
-	 * turf.geomEach(features, function (currentGeometry, featureIndex, featureProperties, featureBBox, featureId) {
-	 *   //=currentGeometry
-	 *   //=featureIndex
-	 *   //=featureProperties
-	 *   //=featureBBox
-	 *   //=featureId
-	 * });
-	 */
-	function geomEach(geojson, callback) {
-	    var i, j, g, geometry, stopG,
-	        geometryMaybeCollection,
-	        isGeometryCollection,
-	        featureProperties,
-	        featureBBox,
-	        featureId,
-	        featureIndex = 0,
-	        isFeatureCollection = geojson.type === 'FeatureCollection',
-	        isFeature = geojson.type === 'Feature',
-	        stop = isFeatureCollection ? geojson.features.length : 1;
-
-	    // This logic may look a little weird. The reason why it is that way
-	    // is because it's trying to be fast. GeoJSON supports multiple kinds
-	    // of objects at its root: FeatureCollection, Features, Geometries.
-	    // This function has the responsibility of handling all of them, and that
-	    // means that some of the `for` loops you see below actually just don't apply
-	    // to certain inputs. For instance, if you give this just a
-	    // Point geometry, then both loops are short-circuited and all we do
-	    // is gradually rename the input until it's called 'geometry'.
-	    //
-	    // This also aims to allocate as few resources as possible: just a
-	    // few numbers and booleans, rather than any temporary arrays as would
-	    // be required with the normalization approach.
-	    for (i = 0; i < stop; i++) {
-
-	        geometryMaybeCollection = (isFeatureCollection ? geojson.features[i].geometry :
-	            (isFeature ? geojson.geometry : geojson));
-	        featureProperties = (isFeatureCollection ? geojson.features[i].properties :
-	            (isFeature ? geojson.properties : {}));
-	        featureBBox = (isFeatureCollection ? geojson.features[i].bbox :
-	            (isFeature ? geojson.bbox : undefined));
-	        featureId = (isFeatureCollection ? geojson.features[i].id :
-	            (isFeature ? geojson.id : undefined));
-	        isGeometryCollection = (geometryMaybeCollection) ? geometryMaybeCollection.type === 'GeometryCollection' : false;
-	        stopG = isGeometryCollection ? geometryMaybeCollection.geometries.length : 1;
-
-	        for (g = 0; g < stopG; g++) {
-	            geometry = isGeometryCollection ?
-	                geometryMaybeCollection.geometries[g] : geometryMaybeCollection;
-
-	            // Handle null Geometry
-	            if (geometry === null) {
-	                if (callback(null, featureIndex, featureProperties, featureBBox, featureId) === false) return false;
-	                continue;
-	            }
-	            switch (geometry.type) {
-	            case 'Point':
-	            case 'LineString':
-	            case 'MultiPoint':
-	            case 'Polygon':
-	            case 'MultiLineString':
-	            case 'MultiPolygon': {
-	                if (callback(geometry, featureIndex, featureProperties, featureBBox, featureId) === false) return false;
-	                break;
-	            }
-	            case 'GeometryCollection': {
-	                for (j = 0; j < geometry.geometries.length; j++) {
-	                    if (callback(geometry.geometries[j], featureIndex, featureProperties, featureBBox, featureId) === false) return false;
-	                }
-	                break;
-	            }
-	            default:
-	                throw new Error('Unknown Geometry Type');
-	            }
-	        }
-	        // Only increase `featureIndex` per each feature
-	        featureIndex++;
-	    }
-	}
-
-	/**
-	 * Callback for geomReduce
-	 *
-	 * The first time the callback function is called, the values provided as arguments depend
-	 * on whether the reduce method has an initialValue argument.
-	 *
-	 * If an initialValue is provided to the reduce method:
-	 *  - The previousValue argument is initialValue.
-	 *  - The currentValue argument is the value of the first element present in the array.
-	 *
-	 * If an initialValue is not provided:
-	 *  - The previousValue argument is the value of the first element present in the array.
-	 *  - The currentValue argument is the value of the second element present in the array.
-	 *
-	 * @callback geomReduceCallback
-	 * @param {*} previousValue The accumulated value previously returned in the last invocation
-	 * of the callback, or initialValue, if supplied.
-	 * @param {Geometry} currentGeometry The current Geometry being processed.
-	 * @param {number} featureIndex The current index of the Feature being processed.
-	 * @param {Object} featureProperties The current Feature Properties being processed.
-	 * @param {Array<number>} featureBBox The current Feature BBox being processed.
-	 * @param {number|string} featureId The current Feature Id being processed.
-	 */
-
-	/**
-	 * Reduce geometry in any GeoJSON object, similar to Array.reduce().
-	 *
-	 * @name geomReduce
-	 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
-	 * @param {Function} callback a method that takes (previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId)
-	 * @param {*} [initialValue] Value to use as the first argument to the first call of the callback.
-	 * @returns {*} The value that results from the reduction.
-	 * @example
-	 * var features = turf.featureCollection([
-	 *     turf.point([26, 37], {foo: 'bar'}),
-	 *     turf.point([36, 53], {hello: 'world'})
-	 * ]);
-	 *
-	 * turf.geomReduce(features, function (previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId) {
-	 *   //=previousValue
-	 *   //=currentGeometry
-	 *   //=featureIndex
-	 *   //=featureProperties
-	 *   //=featureBBox
-	 *   //=featureId
-	 *   return currentGeometry
-	 * });
-	 */
-	function geomReduce(geojson, callback, initialValue) {
-	    var previousValue = initialValue;
-	    geomEach(geojson, function (currentGeometry, featureIndex, featureProperties, featureBBox, featureId) {
-	        if (featureIndex === 0 && initialValue === undefined) previousValue = currentGeometry;
-	        else previousValue = callback(previousValue, currentGeometry, featureIndex, featureProperties, featureBBox, featureId);
-	    });
-	    return previousValue;
-	}
-
-	/**
-	 * Callback for flattenEach
-	 *
-	 * @callback flattenEachCallback
-	 * @param {Feature} currentFeature The current flattened feature being processed.
-	 * @param {number} featureIndex The current index of the Feature being processed.
-	 * @param {number} multiFeatureIndex The current index of the Multi-Feature being processed.
-	 */
-
-	/**
-	 * Iterate over flattened features in any GeoJSON object, similar to
-	 * Array.forEach.
-	 *
-	 * @name flattenEach
-	 * @param {FeatureCollection|Feature|Geometry} geojson any GeoJSON object
-	 * @param {Function} callback a method that takes (currentFeature, featureIndex, multiFeatureIndex)
-	 * @example
-	 * var features = turf.featureCollection([
-	 *     turf.point([26, 37], {foo: 'bar'}),
-	 *     turf.multiPoint([[40, 30], [36, 53]], {hello: 'world'})
-	 * ]);
-	 *
-	 * turf.flattenEach(features, function (currentFeature, featureIndex, multiFeatureIndex) {
-	 *   //=currentFeature
-	 *   //=featureIndex
-	 *   //=multiFeatureIndex
-	 * });
-	 */
-	function flattenEach(geojson, callback) {
-	    geomEach(geojson, function (geometry, featureIndex, properties, bbox, id) {
-	        // Callback for single geometry
-	        var type = (geometry === null) ? null : geometry.type;
-	        switch (type) {
-	        case null:
-	        case 'Point':
-	        case 'LineString':
-	        case 'Polygon':
-	            if (callback(feature$1(geometry, properties, {bbox: bbox, id: id}), featureIndex, 0) === false) return false;
-	            return;
-	        }
-
-	        var geomType;
-
-	        // Callback for multi-geometry
-	        switch (type) {
-	        case 'MultiPoint':
-	            geomType = 'Point';
-	            break;
-	        case 'MultiLineString':
-	            geomType = 'LineString';
-	            break;
-	        case 'MultiPolygon':
-	            geomType = 'Polygon';
-	            break;
-	        }
-
-	        for (var multiFeatureIndex = 0; multiFeatureIndex < geometry.coordinates.length; multiFeatureIndex++) {
-	            var coordinate = geometry.coordinates[multiFeatureIndex];
-	            var geom = {
-	                type: geomType,
-	                coordinates: coordinate
-	            };
-	            if (callback(feature$1(geom, properties), featureIndex, multiFeatureIndex) === false) return false;
-	        }
-	    });
-	}
-
-	/**
-	 * Takes one or more features and returns their area in square meters.
-	 *
-	 * @name area
-	 * @param {GeoJSON} geojson input GeoJSON feature(s)
-	 * @returns {number} area in square meters
-	 * @example
-	 * var polygon = turf.polygon([[[125, -15], [113, -22], [154, -27], [144, -15], [125, -15]]]);
-	 *
-	 * var area = turf.area(polygon);
-	 *
-	 * //addToMap
-	 * var addToMap = [polygon]
-	 * polygon.properties.area = area
-	 */
-	function area(geojson) {
-	    return geomReduce(geojson, function (value, geom) {
-	        return value + calculateArea(geom);
-	    }, 0);
-	}
-
-	var RADIUS$1 = 6378137;
-	// var FLATTENING_DENOM = 298.257223563;
-	// var FLATTENING = 1 / FLATTENING_DENOM;
-	// var POLAR_RADIUS = RADIUS * (1 - FLATTENING);
-
-	/**
-	 * Calculate Area
-	 *
-	 * @private
-	 * @param {GeoJSON} geojson GeoJSON
-	 * @returns {number} area
-	 */
-	function calculateArea(geojson) {
-	    var area = 0, i;
-	    switch (geojson.type) {
-	    case 'Polygon':
-	        return polygonArea$1(geojson.coordinates);
-	    case 'MultiPolygon':
-	        for (i = 0; i < geojson.coordinates.length; i++) {
-	            area += polygonArea$1(geojson.coordinates[i]);
-	        }
-	        return area;
-	    case 'Point':
-	    case 'MultiPoint':
-	    case 'LineString':
-	    case 'MultiLineString':
-	        return 0;
-	    case 'GeometryCollection':
-	        for (i = 0; i < geojson.geometries.length; i++) {
-	            area += calculateArea(geojson.geometries[i]);
-	        }
-	        return area;
-	    }
-	}
-
-	function polygonArea$1(coords) {
-	    var area = 0;
-	    if (coords && coords.length > 0) {
-	        area += Math.abs(ringArea$1(coords[0]));
-	        for (var i = 1; i < coords.length; i++) {
-	            area -= Math.abs(ringArea$1(coords[i]));
-	        }
-	    }
-	    return area;
-	}
-
-	/**
-	 * @private
-	 * Calculate the approximate area of the polygon were it projected onto the earth.
-	 * Note that this area will be positive if ring is oriented clockwise, otherwise it will be negative.
-	 *
-	 * Reference:
-	 * Robert. G. Chamberlain and William H. Duquette, "Some Algorithms for Polygons on a Sphere", JPL Publication 07-03, Jet Propulsion
-	 * Laboratory, Pasadena, CA, June 2007 http://trs-new.jpl.nasa.gov/dspace/handle/2014/40409
-	 *
-	 * @param {Array<Array<number>>} coords Ring Coordinates
-	 * @returns {number} The approximate signed geodesic area of the polygon in square meters.
-	 */
-	function ringArea$1(coords) {
-	    var p1;
-	    var p2;
-	    var p3;
-	    var lowerIndex;
-	    var middleIndex;
-	    var upperIndex;
-	    var i;
-	    var area = 0;
-	    var coordsLength = coords.length;
-
-	    if (coordsLength > 2) {
-	        for (i = 0; i < coordsLength; i++) {
-	            if (i === coordsLength - 2) { // i = N-2
-	                lowerIndex = coordsLength - 2;
-	                middleIndex = coordsLength - 1;
-	                upperIndex = 0;
-	            } else if (i === coordsLength - 1) { // i = N-1
-	                lowerIndex = coordsLength - 1;
-	                middleIndex = 0;
-	                upperIndex = 1;
-	            } else { // i = 0 to N-3
-	                lowerIndex = i;
-	                middleIndex = i + 1;
-	                upperIndex = i + 2;
-	            }
-	            p1 = coords[lowerIndex];
-	            p2 = coords[middleIndex];
-	            p3 = coords[upperIndex];
-	            area += (rad$1(p3[0]) - rad$1(p1[0])) * Math.sin(rad$1(p2[1]));
-	        }
-
-	        area = area * RADIUS$1 * RADIUS$1 / 2;
-	    }
-
-	    return area;
-	}
-
-	function rad$1(_) {
-	    return _ * Math.PI / 180;
-	}
-
-	/**
-	 * Get Geometry from Feature or Geometry Object
-	 *
-	 * @param {Feature|Geometry} geojson GeoJSON Feature or Geometry Object
-	 * @returns {Geometry|null} GeoJSON Geometry Object
-	 * @throws {Error} if geojson is not a Feature or Geometry Object
-	 * @example
-	 * var point = {
-	 *   "type": "Feature",
-	 *   "properties": {},
-	 *   "geometry": {
-	 *     "type": "Point",
-	 *     "coordinates": [110, 40]
-	 *   }
-	 * }
-	 * var geom = turf.getGeom(point)
-	 * //={"type": "Point", "coordinates": [110, 40]}
-	 */
-	function getGeom(geojson) {
-	    if (!geojson) throw new Error('geojson is required');
-	    if (geojson.geometry !== undefined) return geojson.geometry;
-	    if (geojson.coordinates || geojson.geometries) return geojson;
-	    throw new Error('geojson must be a valid Feature or Geometry Object');
-	}
-
-	/**
-	 * Finds the difference between two {@link Polygon|polygons} by clipping the second polygon from the first.
-	 *
-	 * @name difference
-	 * @param {Feature<Polygon|MultiPolygon>} polygon1 input Polygon feature
-	 * @param {Feature<Polygon|MultiPolygon>} polygon2 Polygon feature to difference from polygon1
-	 * @returns {Feature<Polygon|MultiPolygon>|null} a Polygon or MultiPolygon feature showing the area of `polygon1` excluding the area of `polygon2` (if empty returns `null`)
-	 * @example
-	 * var polygon1 = turf.polygon([[
-	 *   [128, -26],
-	 *   [141, -26],
-	 *   [141, -21],
-	 *   [128, -21],
-	 *   [128, -26]
-	 * ]], {
-	 *   "fill": "#F00",
-	 *   "fill-opacity": 0.1
-	 * });
-	 * var polygon2 = turf.polygon([[
-	 *   [126, -28],
-	 *   [140, -28],
-	 *   [140, -20],
-	 *   [126, -20],
-	 *   [126, -28]
-	 * ]], {
-	 *   "fill": "#00F",
-	 *   "fill-opacity": 0.1
-	 * });
-	 *
-	 * var difference = turf.difference(polygon1, polygon2);
-	 *
-	 * //addToMap
-	 * var addToMap = [polygon1, polygon2, difference];
-	 */
-	function difference(polygon1, polygon2) {
-	    var geom1 = getGeom(polygon1);
-	    var geom2 = getGeom(polygon2);
-	    var properties = polygon1.properties || {};
-
-	    // Issue #721 - JSTS can't handle empty polygons
-	    geom1 = removeEmptyPolygon(geom1);
-	    geom2 = removeEmptyPolygon(geom2);
-	    if (!geom1) return null;
-	    if (!geom2) return feature$1(geom1, properties);
-
-	    // JSTS difference operation
-	    var reader = new GeoJSONReader();
-	    var a = reader.read(geom1);
-	    var b = reader.read(geom2);
-	    var differenced = OverlayOp.difference(a, b);
-	    if (differenced.isEmpty()) return null;
-	    var writer = new GeoJSONWriter();
-	    var geom = writer.write(differenced);
-
-	    return feature$1(geom, properties);
-	}
-
-	/**
-	 * Detect Empty Polygon
-	 *
-	 * @private
-	 * @param {Geometry<Polygon|MultiPolygon>} geom Geometry Object
-	 * @returns {Geometry<Polygon|MultiPolygon>|null} removed any polygons with no areas
-	 */
-	function removeEmptyPolygon(geom) {
-	    switch (geom.type) {
-	    case 'Polygon':
-	        if (area(geom) > 1) return geom;
-	        return null;
-	    case 'MultiPolygon':
-	        var coordinates = [];
-	        flattenEach(geom, function (feature$$1) {
-	            if (area(feature$$1) > 1) coordinates.push(feature$$1.geometry.coordinates);
-	        });
-	        if (coordinates.length) return {type: 'MultiPolygon', coordinates: coordinates};
-	    }
-	}
-
-	/**
-	 * Takes two or more {@link Polygon|polygons} and returns a combined polygon. If the input polygons are not contiguous, this function returns a {@link MultiPolygon} feature.
-	 *
-	 * @name union
-	 * @param {...Feature<Polygon>} A polygon to combine
-	 * @returns {Feature<(Polygon|MultiPolygon)>} a combined {@link Polygon} or {@link MultiPolygon} feature
-	 * @example
-	 * var poly1 = turf.polygon([[
-	 *     [-82.574787, 35.594087],
-	 *     [-82.574787, 35.615581],
-	 *     [-82.545261, 35.615581],
-	 *     [-82.545261, 35.594087],
-	 *     [-82.574787, 35.594087]
-	 * ]], {"fill": "#0f0"});
-	 * var poly2 = turf.polygon([[
-	 *     [-82.560024, 35.585153],
-	 *     [-82.560024, 35.602602],
-	 *     [-82.52964, 35.602602],
-	 *     [-82.52964, 35.585153],
-	 *     [-82.560024, 35.585153]
-	 * ]], {"fill": "#00f"});
-	 *
-	 * var union = turf.union(poly1, poly2);
-	 *
-	 * //addToMap
-	 * var addToMap = [poly1, poly2, union];
-	 */
-	function union$1() {
-	    var reader = new GeoJSONReader();
-	    var result = reader.read(JSON.stringify(arguments[0].geometry));
-
-	    for (var i = 1; i < arguments.length; i++) {
-	        result = UnionOp.union(result, reader.read(JSON.stringify(arguments[i].geometry)));
-	    }
-
-	    var writer = new GeoJSONWriter();
-	    result = writer.write(result);
-
-	    return {
-	        type: 'Feature',
-	        geometry: result,
-	        properties: arguments[0].properties
-	    };
-	}
-
-	// Reduce an array of locations into a single GeoJSON feature
-	function _locationReducer(accumulator, location) {
-	  /* eslint-disable no-console, no-invalid-this */
-	  let result;
-	  try {
-	    let resolved = this.resolveLocation(location);
-	    if (!resolved || !resolved.feature) {
-	      console.warn(`Warning:  Couldn't resolve location "${location}"`);
-	      return accumulator;
-	    }
-	    result = !accumulator ? resolved.feature : union$1(accumulator, resolved.feature);
-	  } catch (e) {
-	    console.warn(`Warning:  Error resolving location "${location}"`);
-	    console.warn(e);
-	    result = accumulator;
-	  }
-
-	  return result;
-	  /* eslint-enable no-console, no-invalid-this */
-	}
-
-
-
-	function _cloneDeep(obj) {
-	  return JSON.parse(JSON.stringify(obj));
-	}
-
-
-	class LocationConflation {
-
-	  // constructor
-	  //
-	  // Optionally pass a GeoJSON FeatureCollection of known features which we can refer to later.
-	  // Each feature must have a filename-like `id`, for example: `something.geojson`
-	  //
-	  // {
-	  //   "type": "FeatureCollection"
-	  //   "features": [
-	  //     {
-	  //       "type": "Feature",
-	  //       "id": "philly_metro.geojson",
-	  //       "properties": { … },
-	  //       "geometry": { … }
-	  //     }
-	  //   ]
-	  // }
-	  constructor(fc) {
-	    this._cache = {};
-
-	    // process input FeatureCollection
-	    if (fc && fc.type === 'FeatureCollection' && Array.isArray(fc.features)) {
-	      fc.features.forEach(feature => {
-	        feature.properties = feature.properties || {};
-	        let props = feature.properties;
-
-	        // get `id` from either `id` or `properties`
-	        let id = feature.id || props.id;
-	        if (!id || !/^\S+\.geojson$/i.test(id)) return;
-
-	        // ensure id exists and is lowercase
-	        id = id.toLowerCase();
-	        feature.id = id;
-	        props.id = id;
-
-	        // ensure area property exists
-	        if (!props.area) {
-	          const area = geojsonArea.geometry(feature.geometry) / 1e6;  // m² to km²
-	          props.area = Number(area.toFixed(2));
-	        }
-
-	        this._cache[id] = feature;
-	      });
-	    }
-
-	    // Replace CountryCoder world geometry to have a polygon covering the world.
-	    let world = _cloneDeep(feature('Q2'));
-	    world.geometry = {
-	      type: 'Polygon',
-	      coordinates: [[[-180, -90], [180, -90], [180, 90], [-180, 90], [-180, -90]]]
-	    };
-	    world.id = 'Q2';
-	    world.properties.id = 'Q2';
-	    world.properties.area = geojsonArea.geometry(world.geometry) / 1e6;  // m² to km²
-	    this._cache.Q2 = world;
-	  }
-
-
-	  // validateLocation
-	  //
-	  // Pass a `location` identifier
-	  // Returns a result like
-	  //   {
-	  //     type:     'point', 'geojson', or 'countrycoder'
-	  //     location:  the queried location
-	  //     id:        a unique identifier
-	  //   }
-	  //  or `null` if the location is invalid
-	  //
-	  validateLocation(location) {
-	    if (Array.isArray(location)) {   // a [lon,lat] coordinate pair?
-	      if (location.length === 2 && Number.isFinite(location[0]) && Number.isFinite(location[1]) &&
-	        location[0] >= -180 && location[0] <= 180 && location[1] >= -90 && location[1] <= 90
-	      ) {
-	        const id = '[' + location.toString() + ']';
-	        return { type: 'point', location: location, id: id };
-	      }
-
-	    } else if (typeof location === 'string' && /^\S+\.geojson$/i.test(location)) {   // a .geojson filename?
-	      const id = location.toLowerCase();
-	      if (this._cache[id]) {
-	        return { type: 'geojson', location: location, id: id };
-	      }
-
-	    } else if (typeof location === 'string' || typeof location === 'number') {   // a country-coder value?
-	      const feature$1 = feature(location);
-	      if (feature$1) {
-	        // Use wikidata QID as the identifier, since that seems to be the only
-	        // property that everything in CountryCoder is guaranteed to have.
-	        const id = feature$1.properties.wikidata;
-	        return { type: 'countrycoder', location: location, id: id };
-	      }
-	    }
-
-	    return null;
-	  }
-
-
-	  // resolveLocation
-	  //
-	  // Pass a `location` identifier
-	  // Returns a result like
-	  //   {
-	  //     type:      'point', 'geojson', or 'countrycoder'
-	  //     location:  the queried location
-	  //     id:        a unique identifier
-	  //     feature:   the geojson feature
-	  //   }
-	  //  or `null` if the location is invalid
-	  //
-	  resolveLocation(location) {
-	    const valid = this.validateLocation(location);
-	    if (!valid) return null;
-
-	    // return a result from cache if we can
-	    if (this._cache[valid.id]) {
-	      return Object.assign(valid, { feature: this._cache[valid.id] });
-	    }
-
-	    // a [lon,lat] coordinate pair?
-	    if (valid.type === 'point') {
-	      const RADIUS = 25000;  // meters
-	      const EDGES = 10;
-	      const PRECISION = 3;
-	      const area = Math.PI * RADIUS * RADIUS / 1e6;     // m² to km²
-	      const feature = this._cache[valid.id] = geojsonPrecision({
-	        type: 'Feature',
-	        id: valid.id,
-	        properties: { id: valid.id, area: Number(area.toFixed(2)) },
-	        geometry: circleToPolygon(location, RADIUS, EDGES)
-	      }, PRECISION);
-	      return Object.assign(valid, { feature: feature });
-
-	    // a .geojson filename?
-	    } else if (valid.type === 'geojson') ; else if (valid.type === 'countrycoder') {
-	      let feature$1 = _cloneDeep(feature(valid.id));
-	      let props = feature$1.properties;
-
-	      // -> This block of code is weird and requires some explanation. <-
-	      // CountryCoder includes higher level features which are made up of members.
-	      // These features don't have their own geometry, but CountryCoder provides an
-	      //   `aggregateFeature` method to combine these members into a MultiPolygon.
-	      // BUT, when we try to actually work with these aggregated MultiPolygons,
-	      //   Turf/JSTS gets crashy because of topography bugs.
-	      // SO, we'll aggregate the features ourselves by unioning them together.
-	      // This approach also has the benefit of removing all the internal boaders and
-	      //   simplifying the regional polygons a lot.
-	      if (Array.isArray(props.members)) {
-	        let seed = feature$1.geometry ? feature$1 : null;
-	        let aggregate = props.members.reduce(_locationReducer.bind(this), seed);
-	        feature$1.geometry = aggregate.geometry;
-	      }
-
-	      // ensure area property exists
-	      if (!props.area) {
-	        const area = geojsonArea.geometry(feature$1.geometry) / 1e6;  // m² to km²
-	        props.area = Number(area.toFixed(2));
-	      }
-
-	      // ensure id property exists
-	      feature$1.id = valid.id;
-	      props.id = valid.id;
-
-	      this._cache[valid.id] = feature$1;
-	      return Object.assign(valid, { feature: feature$1 });
-	    }
-
-	    return null;
-	  }
-
-
-	  // resolveLocationSet
-	  //
-	  // Pass a `locationSet` Object like:
-	  //   `{ include: [ Array ], exclude: [ Array ] }`
-	  // Returns a stable identifier string of the form:
-	  //   "+[included]-[excluded]"
-	  //
-	  resolveLocationSet(locationSet) {
-	    locationSet = locationSet || {};
-	    const resolve = this.resolveLocation.bind(this);
-	    let include = (locationSet.include || []).map(resolve).filter(Boolean);
-	    let exclude = (locationSet.exclude || []).map(resolve).filter(Boolean);
-
-	    if (!include.length) {
-	      include = [resolve('Q2')];   // default to 'the world'
-	    }
-
-	    // return quickly if it's a single included location..
-	    if (include.length === 1 && exclude.length === 0) {
-	      return include[0].feature;
-	    }
-
-	    // generate stable identifier
-	    include.sort(sortFeatures);
-	    let id = '+[' + include.map(d => d.id).join(',') + ']';
-	    if (exclude.length) {
-	      exclude.sort(sortFeatures);
-	      id += '-[' + exclude.map(d => d.id).join(',') + ']';
-	    }
-
-	    // return cached?
-	    if (this._cache[id]) {
-	      return this._cache[id];
-	    }
-
-	    // calculate unions
-	    let includeGeoJSON = include.map(d => d.location).reduce(_locationReducer.bind(this), null);
-	    let excludeGeoJSON = exclude.map(d => d.location).reduce(_locationReducer.bind(this), null);
-
-	    // calculate difference, update area and return result
-	    let resultGeoJSON = excludeGeoJSON ? difference(includeGeoJSON, excludeGeoJSON) : includeGeoJSON;
-	    const area = geojsonArea.geometry(resultGeoJSON.geometry) / 1e6;  // m² to km²
-	    resultGeoJSON.id = id;
-	    resultGeoJSON.properties = { id: id, area: Number(area.toFixed(2)) };
-
-	    return this._cache[id] = resultGeoJSON;
-
-
-	    // Sorting the location lists is ok because they end up unioned together.
-	    // This sorting makes it possible to generate a deterministic id.
-	    function sortFeatures(a, b) {
-	      const rank = { countrycoder: 1, geojson: 2, point: 3 };
-	      const aRank = rank[a.type];
-	      const bRank = rank[b.type];
-
-	      return (aRank > bRank) ? 1
-	        : (aRank < bRank) ? -1
-	        : a.id.localeCompare(b.id);
-	    }
-	  }
-
-
-	  cache() {
-	    return this._cache;
-	  }
-	}
-
-	let _oci = null;
-
-	function uiSuccess(context) {
-	  const MAXEVENTS = 2;
-	  const dispatch$1 = dispatch('cancel');
-	  let _changeset;
-	  let _location;
-	  ensureOSMCommunityIndex();   // start fetching the data
-
-
-	  function ensureOSMCommunityIndex() {
-	    const data = _mainFileFetcher;
-	    return Promise.all([ data.get('oci_resources'), data.get('oci_features') ])
-	      .then(vals => {
-	        if (_oci) return _oci;
-
-	        const ociResources = vals[0].resources;
-	        const loco = new LocationConflation(vals[1]);
-	        let ociFeatures = {};
-
-	        Object.values(ociResources).forEach(resource => {
-	          const feature = loco.resolveLocationSet(resource.locationSet);
-	          let ociFeature = ociFeatures[feature.id];
-	          if (!ociFeature) {
-	            ociFeature = JSON.parse(JSON.stringify(feature));  // deep clone
-	            ociFeature.properties.resourceIDs = new Set();
-	            ociFeatures[feature.id] = ociFeature;
-	          }
-	          ociFeature.properties.resourceIDs.add(resource.id);
-	        });
-
-	        return _oci = {
-	          features: ociFeatures,
-	          resources: ociResources,
-	          query: whichPolygon_1({ type: 'FeatureCollection', features: Object.values(ociFeatures) })
-	        };
-	      });
-	  }
-
-
-	  // string-to-date parsing in JavaScript is weird
-	  function parseEventDate(when) {
-	    if (!when) return;
-
-	    let raw = when.trim();
-	    if (!raw) return;
-
-	    if (!/Z$/.test(raw)) {   // if no trailing 'Z', add one
-	      raw += 'Z';            // this forces date to be parsed as a UTC date
-	    }
-
-	    const parsed = new Date(raw);
-	    return new Date(parsed.toUTCString().substr(0, 25));  // convert to local timezone
-	  }
-
-
-	  function success(selection) {
-	    let header = selection
-	      .append('div')
-	      .attr('class', 'header fillL');
-
-	    header
-	      .append('h3')
-	      .text(_t('success.just_edited'));
-
-	    header
-	      .append('button')
-	      .attr('class', 'close')
-	      .on('click', () => dispatch$1.call('cancel'))
-	      .call(svgIcon('#iD-icon-close'));
-
-	    let body = selection
-	      .append('div')
-	      .attr('class', 'body save-success fillL');
-
-	    let summary = body
-	      .append('div')
-	      .attr('class', 'save-summary');
-
-	    summary
-	      .append('h3')
-	      .text(_t('success.thank_you' + (_location ? '_location' : ''), { where: _location }));
-
-	    summary
-	      .append('p')
-	      .text(_t('success.help_html'))
-	      .append('a')
-	      .attr('class', 'link-out')
-	      .attr('target', '_blank')
-	      .attr('tabindex', -1)
-	      .attr('href', _t('success.help_link_url'))
-	      .call(svgIcon('#iD-icon-out-link', 'inline'))
-	      .append('span')
-	      .text(_t('success.help_link_text'));
-
-	    let osm = context.connection();
-	    if (!osm) return;
-
-	    let changesetURL = osm.changesetURL(_changeset.id);
-
-	    let table = summary
-	      .append('table')
-	      .attr('class', 'summary-table');
-
-	    let row = table
-	      .append('tr')
-	      .attr('class', 'summary-row');
-
-	    row
-	      .append('td')
-	      .attr('class', 'cell-icon summary-icon')
-	      .append('a')
-	      .attr('target', '_blank')
-	      .attr('href', changesetURL)
-	      .append('svg')
-	      .attr('class', 'logo-small')
-	      .append('use')
-	      .attr('xlink:href', '#iD-logo-osm');
-
-	    let summaryDetail = row
-	      .append('td')
-	      .attr('class', 'cell-detail summary-detail');
-
-	    summaryDetail
-	      .append('a')
-	      .attr('class', 'cell-detail summary-view-on-osm')
-	      .attr('target', '_blank')
-	      .attr('href', changesetURL)
-	      .text(_t('success.view_on_osm'));
-
-	    summaryDetail
-	      .append('div')
-	      .html(_t('success.changeset_id', {
-	        changeset_id: `<a href="${changesetURL}" target="_blank">${_changeset.id}</a>`
-	      }));
-
-
-	    // Get OSM community index features intersecting the map..
-	    ensureOSMCommunityIndex()
-	      .then(oci => {
-	        let communities = [];
-	        const properties = oci.query(context.map().center(), true) || [];
-
-	        // Gather the communities from the result
-	        properties.forEach(props => {
-	          const resourceIDs = Array.from(props.resourceIDs);
-	          resourceIDs.forEach(resourceID => {
-	            const resource = oci.resources[resourceID];
-	            communities.push({
-	              area: props.area || Infinity,
-	              order: resource.order || 0,
-	              resource: resource
-	            });
-	          });
-	        });
-
-	        // sort communities by feature area ascending, community order descending
-	        communities.sort((a, b) => a.area - b.area || b.order - a.order);
-
-	        body
-	          .call(showCommunityLinks, communities.map(c => c.resource));
-	      });
-	  }
-
-
-	  function showCommunityLinks(selection, resources) {
-	    let communityLinks = selection
-	      .append('div')
-	      .attr('class', 'save-communityLinks');
-
-	    communityLinks
-	      .append('h3')
-	      .text(_t('success.like_osm'));
-
-	    let table = communityLinks
-	      .append('table')
-	      .attr('class', 'community-table');
-
-	    let row = table.selectAll('.community-row')
-	      .data(resources);
-
-	    let rowEnter = row.enter()
-	      .append('tr')
-	      .attr('class', 'community-row');
-
-	    rowEnter
-	      .append('td')
-	      .attr('class', 'cell-icon community-icon')
-	      .append('a')
-	      .attr('target', '_blank')
-	      .attr('href', d => d.url)
-	      .append('svg')
-	      .attr('class', 'logo-small')
-	      .append('use')
-	      .attr('xlink:href', d => `#community-${d.type}`);
-
-	    let communityDetail = rowEnter
-	      .append('td')
-	      .attr('class', 'cell-detail community-detail');
-
-	    communityDetail
-	      .each(showCommunityDetails);
-
-	    communityLinks
-	      .append('div')
-	      .attr('class', 'community-missing')
-	      .text(_t('success.missing'))
-	      .append('a')
-	      .attr('class', 'link-out')
-	      .attr('target', '_blank')
-	      .attr('tabindex', -1)
-	      .call(svgIcon('#iD-icon-out-link', 'inline'))
-	      .attr('href', 'https://github.com/osmlab/osm-community-index/issues')
-	      .append('span')
-	      .text(_t('success.tell_us'));
-	  }
-
-
-	  function showCommunityDetails(d) {
-	    let selection = select(this);
-	    let communityID = d.id;
-	    let replacements = {
-	      url: linkify(d.url),
-	      signupUrl: linkify(d.signupUrl || d.url)
-	    };
-
-	    selection
-	      .append('div')
-	      .attr('class', 'community-name')
-	      .append('a')
-	      .attr('target', '_blank')
-	      .attr('href', d.url)
-	      .text(_t(`community.${d.id}.name`));
-
-	    let descriptionHTML = _t(`community.${d.id}.description`, replacements);
-
-	    if (d.type === 'reddit') {   // linkify subreddits  #4997
-	      descriptionHTML = descriptionHTML
-	        .replace(/(\/r\/\w*\/*)/i, match => linkify(d.url, match));
-	    }
-
-	    selection
-	      .append('div')
-	      .attr('class', 'community-description')
-	      .html(descriptionHTML);
-
-	    if (d.extendedDescription || (d.languageCodes && d.languageCodes.length)) {
-	      selection
-	        .append('div')
-	        .call(uiDisclosure(context, `community-more-${d.id}`, false)
-	          .expanded(false)
-	          .updatePreference(false)
-	          .title(_t('success.more'))
-	          .content(showMore)
-	        );
-	    }
-
-	    let nextEvents = (d.events || [])
-	      .map(event => {
-	        event.date = parseEventDate(event.when);
-	        return event;
-	      })
-	      .filter(event => {      // date is valid and future (or today)
-	        const t = event.date.getTime();
-	        const now = (new Date()).setHours(0,0,0,0);
-	        return !isNaN(t) && t >= now;
-	      })
-	      .sort((a, b) => {       // sort by date ascending
-	        return a.date < b.date ? -1 : a.date > b.date ? 1 : 0;
-	      })
-	      .slice(0, MAXEVENTS);   // limit number of events shown
-
-	    if (nextEvents.length) {
-	      selection
-	        .append('div')
-	        .call(uiDisclosure(context, `community-events-${d.id}`, false)
-	          .expanded(false)
-	          .updatePreference(false)
-	          .title(_t('success.events'))
-	          .content(showNextEvents)
-	        )
-	        .select('.hide-toggle')
-	        .append('span')
-	        .attr('class', 'badge-text')
-	        .text(nextEvents.length);
-	    }
-
-
-	    function showMore(selection) {
-	      let more = selection.selectAll('.community-more')
-	        .data([0]);
-
-	      let moreEnter = more.enter()
-	        .append('div')
-	        .attr('class', 'community-more');
-
-	      if (d.extendedDescription) {
-	        moreEnter
-	          .append('div')
-	          .attr('class', 'community-extended-description')
-	          .html(_t(`community.${d.id}.extendedDescription`, replacements));
-	      }
-
-	      if (d.languageCodes && d.languageCodes.length) {
-	        const languageList = d.languageCodes
-	          .map(code => _mainLocalizer.languageName(code))
-	          .join(', ');
-
-	        moreEnter
-	          .append('div')
-	          .attr('class', 'community-languages')
-	          .text(_t('success.languages', { languages: languageList }));
-	      }
-	    }
-
-
-	    function showNextEvents(selection) {
-	      let events = selection
-	        .append('div')
-	        .attr('class', 'community-events');
-
-	      let item = events.selectAll('.community-event')
-	        .data(nextEvents);
-
-	      let itemEnter = item.enter()
-	        .append('div')
-	        .attr('class', 'community-event');
-
-	      itemEnter
-	        .append('div')
-	        .attr('class', 'community-event-name')
-	        .append('a')
-	        .attr('target', '_blank')
-	        .attr('href', d => d.url)
-	        .text(d => {
-	          let name = d.name;
-	          if (d.i18n && d.id) {
-	            name = _t(`community.${communityID}.events.${d.id}.name`, { default: name });
-	          }
-	          return name;
-	        });
-
-	      itemEnter
-	        .append('div')
-	        .attr('class', 'community-event-when')
-	        .text(d => {
-	          let options = { weekday: 'short', day: 'numeric', month: 'short', year: 'numeric' };
-	          if (d.date.getHours() || d.date.getMinutes()) {   // include time if it has one
-	            options.hour = 'numeric';
-	            options.minute = 'numeric';
-	          }
-	          return d.date.toLocaleString(_mainLocalizer.localeCode(), options);
-	        });
-
-	      itemEnter
-	        .append('div')
-	        .attr('class', 'community-event-where')
-	        .text(d => {
-	          let where = d.where;
-	          if (d.i18n && d.id) {
-	            where = _t(`community.${communityID}.events.${d.id}.where`, { default: where });
-	          }
-	          return where;
-	        });
-
-	      itemEnter
-	        .append('div')
-	        .attr('class', 'community-event-description')
-	        .text(d => {
-	          let description = d.description;
-	          if (d.i18n && d.id) {
-	            description = _t(`community.${communityID}.events.${d.id}.description`, { default: description });
-	          }
-	          return description;
-	        });
-	    }
-
-
-	    function linkify(url, text) {
-	      text = text || url;
-	      return `<a target="_blank" href="${url}">${text}</a>`;
-	    }
-	  }
-
-
-	  success.changeset = function(val) {
-	    if (!arguments.length) return _changeset;
-	    _changeset = val;
-	    return success;
-	  };
-
-
-	  success.location = function(val) {
-	    if (!arguments.length) return _location;
-	    _location = val;
-	    return success;
-	  };
-
-
-	  return utilRebind(success, dispatch$1, 'on');
-	}
-
-	function modeSave(context) {
-	    var mode = { id: 'save' };
-	    var keybinding = utilKeybinding('modeSave');
-
-	    var commit = uiCommit(context)
-	        .on('cancel', cancel);
-	    var _conflictsUi; // uiConflicts
-
-	    var _location;
-	    var _success;
-
-	    var uploader = context.uploader()
-	        .on('saveStarted.modeSave', function() {
-	            keybindingOff();
-	        })
-	        // fire off some async work that we want to be ready later
-	        .on('willAttemptUpload.modeSave', prepareForSuccess)
-	        .on('progressChanged.modeSave', showProgress)
-	        .on('resultNoChanges.modeSave', function() {
-	            cancel();
-	        })
-	        .on('resultErrors.modeSave', showErrors)
-	        .on('resultConflicts.modeSave', showConflicts)
-	        .on('resultSuccess.modeSave', showSuccess);
-
-
-	    function cancel() {
-	        context.enter(modeBrowse(context));
-	    }
-
-
-	    function showProgress(num, total) {
-	        var modal = context.container().select('.loading-modal .modal-section');
-	        var progress = modal.selectAll('.progress')
-	            .data([0]);
-
-	        // enter/update
-	        progress.enter()
-	            .append('div')
-	            .attr('class', 'progress')
-	            .merge(progress)
-	            .text(_t('save.conflict_progress', { num: num, total: total }));
-	    }
-
-
-	    function showConflicts(changeset, conflicts, origChanges) {
-
-	        var selection = context.container()
-	            .select('.sidebar')
-	            .append('div')
-	            .attr('class','sidebar-component');
-
-	        context.container().selectAll('.main-content')
-	            .classed('active', true)
-	            .classed('inactive', false);
-
-	        _conflictsUi = uiConflicts(context)
-	            .conflictList(conflicts)
-	            .origChanges(origChanges)
-	            .on('cancel', function() {
-	                context.container().selectAll('.main-content')
-	                    .classed('active', false)
-	                    .classed('inactive', true);
-	                selection.remove();
-	                keybindingOn();
-
-	                uploader.cancelConflictResolution();
-	            })
-	            .on('save', function() {
-	                context.container().selectAll('.main-content')
-	                    .classed('active', false)
-	                    .classed('inactive', true);
-	                selection.remove();
-
-	                uploader.processResolvedConflicts(changeset);
-	            });
-
-	        selection.call(_conflictsUi);
-	    }
-
-
-	    function showErrors(errors) {
-	        keybindingOn();
-
-	        var selection = uiConfirm(context.container());
-	        selection
-	            .select('.modal-section.header')
-	            .append('h3')
-	            .text(_t('save.error'));
-
-	        addErrors(selection, errors);
-	        selection.okButton();
-	    }
-
-
-	    function addErrors(selection, data) {
-	        var message = selection
-	            .select('.modal-section.message-text');
-
-	        var items = message
-	            .selectAll('.error-container')
-	            .data(data);
-
-	        var enter = items.enter()
-	            .append('div')
-	            .attr('class', 'error-container');
-
-	        enter
-	            .append('a')
-	            .attr('class', 'error-description')
-	            .attr('href', '#')
-	            .classed('hide-toggle', true)
-	            .text(function(d) { return d.msg || _t('save.unknown_error_details'); })
-	            .on('click', function() {
-	                event.preventDefault();
-
-	                var error = select(this);
-	                var detail = select(this.nextElementSibling);
-	                var exp = error.classed('expanded');
-
-	                detail.style('display', exp ? 'none' : 'block');
-	                error.classed('expanded', !exp);
-	            });
-
-	        var details = enter
-	            .append('div')
-	            .attr('class', 'error-detail-container')
-	            .style('display', 'none');
-
-	        details
-	            .append('ul')
-	            .attr('class', 'error-detail-list')
-	            .selectAll('li')
-	            .data(function(d) { return d.details || []; })
-	            .enter()
-	            .append('li')
-	            .attr('class', 'error-detail-item')
-	            .text(function(d) { return d; });
-
-	        items.exit()
-	            .remove();
-	    }
-
-
-	    function showSuccess(changeset) {
-	        commit.reset();
-
-	        var ui = _success
-	            .changeset(changeset)
-	            .location(_location)
-	            .on('cancel', function() { context.ui().sidebar.hide(); });
-
-	        context.enter(modeBrowse(context).sidebar(ui));
-	    }
-
-
-	    function keybindingOn() {
-	        select(document)
-	            .call(keybinding.on('⎋', cancel, true));
-	    }
-
-
-	    function keybindingOff() {
-	        select(document)
-	            .call(keybinding.unbind);
-	    }
-
-
-	    // Reverse geocode current map location so we can display a message on
-	    // the success screen like "Thank you for editing around place, region."
-	    function prepareForSuccess() {
-	        _success = uiSuccess(context);
-	        _location = null;
-	        if (!services.geocoder) return;
-
-	        services.geocoder.reverse(context.map().center(), function(err, result) {
-	            if (err || !result || !result.address) return;
-
-	            var addr = result.address;
-	            var place = (addr && (addr.town || addr.city || addr.county)) || '';
-	            var region = (addr && (addr.state || addr.country)) || '';
-	            var separator = (place && region) ? _t('success.thank_you_where.separator') : '';
-
-	            _location = _t('success.thank_you_where.format',
-	                { place: place, separator: separator, region: region }
-	            );
-	        });
-	    }
-
-
-	    mode.selectedIDs = function() {
-	        return _conflictsUi ? _conflictsUi.shownEntityIds() : [];
-	    };
-
-
-	    mode.enter = function() {
-	        // Show sidebar
-	        context.ui().sidebar.expand();
-
-	        function done() {
-	            context.ui().sidebar.show(commit);
-	        }
-
-	        keybindingOn();
-
-	        context.container().selectAll('.main-content')
-	            .classed('active', false)
-	            .classed('inactive', true);
-
-	        var osm = context.connection();
-	        if (!osm) {
-	            cancel();
-	            return;
-	        }
-
-	        if (osm.authenticated()) {
-	            done();
-	        } else {
-	            osm.authenticate(function(err) {
-	                if (err) {
-	                    cancel();
-	                } else {
-	                    done();
-	                }
-	            });
-	        }
-	    };
-
-
-	    mode.exit = function() {
-
-	        keybindingOff();
-
-	        context.container().selectAll('.main-content')
-	            .classed('active', true)
-	            .classed('inactive', false);
-
-	        context.ui().sidebar.hide();
-	    };
-
-	    return mode;
-	}
-
-	function uiToolOldDrawModes(context) {
-
-	    var tool = {
-	        id: 'old_modes',
-	        label: _t('toolbar.add_feature')
-	    };
-
-	    var modes = [
-	        modeAddPoint(context, {
-	            title: _t('modes.add_point.title'),
-	            button: 'point',
-	            description: _t('modes.add_point.description'),
-	            preset: _mainPresetIndex.item('point'),
-	            key: '1'
-	        }),
-	        modeAddLine(context, {
-	            title: _t('modes.add_line.title'),
-	            button: 'line',
-	            description: _t('modes.add_line.description'),
-	            preset: _mainPresetIndex.item('line'),
-	            key: '2'
-	        }),
-	        modeAddArea(context, {
-	            title: _t('modes.add_area.title'),
-	            button: 'area',
-	            description: _t('modes.add_area.description'),
-	            preset: _mainPresetIndex.item('area'),
-	            key: '3'
-	        })
-	    ];
-
-
-	    function enabled() {
-	        return osmEditable();
-	    }
-
-	    function osmEditable() {
-	        return context.editable();
-	    }
-
-	    modes.forEach(function(mode) {
-	        context.keybinding().on(mode.key, function() {
-	            if (!enabled()) return;
-
-	            if (mode.id === context.mode().id) {
-	                context.enter(modeBrowse(context));
-	            } else {
-	                context.enter(mode);
-	            }
-	        });
-	    });
-
-	    tool.render = function(selection) {
-
-	        var wrap = selection
-	            .append('div')
-	            .attr('class', 'joined')
-	            .style('display', 'flex');
-
-	        var debouncedUpdate = debounce(update, 500, { leading: true, trailing: true });
-
-	        context.map()
-	            .on('move.modes', debouncedUpdate)
-	            .on('drawn.modes', debouncedUpdate);
-
-	        context
-	            .on('enter.modes', update);
-
-	        update();
-
-
-	        function update() {
-
-	            var buttons = wrap.selectAll('button.add-button')
-	                .data(modes, function(d) { return d.id; });
-
-	            // exit
-	            buttons.exit()
-	                .remove();
-
-	            // enter
-	            var buttonsEnter = buttons.enter()
-	                .append('button')
-	                .attr('class', function(d) { return d.id + ' add-button bar-button'; })
-	                .on('click.mode-buttons', function(d) {
-	                    if (!enabled()) return;
-
-	                    // When drawing, ignore accidental clicks on mode buttons - #4042
-	                    var currMode = context.mode().id;
-	                    if (/^draw/.test(currMode)) return;
-
-	                    if (d.id === currMode) {
-	                        context.enter(modeBrowse(context));
-	                    } else {
-	                        context.enter(d);
-	                    }
-	                })
-	                .call(uiTooltip()
-	                    .placement('bottom')
-	                    .title(function(d) { return d.description; })
-	                    .keys(function(d) { return [d.key]; })
-	                    .scrollContainer(context.container().select('.top-toolbar'))
-	                );
-
-	            buttonsEnter
-	                .each(function(d) {
-	                    select(this)
-	                        .call(svgIcon('#iD-icon-' + d.button));
-	                });
-
-	            buttonsEnter
-	                .append('span')
-	                .attr('class', 'label')
-	                .text(function(mode) { return mode.title; });
-
-	            // if we are adding/removing the buttons, check if toolbar has overflowed
-	            if (buttons.enter().size() || buttons.exit().size()) {
-	                context.ui().checkOverflow('.top-toolbar', true);
-	            }
-
-	            // update
-	            buttons = buttons
-	                .merge(buttonsEnter)
-	                .classed('disabled', function(d) { return !enabled(); })
-	                .classed('active', function(d) { return context.mode() && context.mode().button === d.button; });
-	        }
-	    };
-
-	    return tool;
-	}
-
-	function uiToolNotes(context) {
-
-	    var tool = {
-	        id: 'notes',
-	        label: _t('modes.add_note.label')
-	    };
-
-	    var mode = modeAddNote(context);
-
-	    function enabled() {
-	        return notesEnabled() && notesEditable();
-	    }
-
-	    function notesEnabled() {
-	        var noteLayer = context.layers().layer('notes');
-	        return noteLayer && noteLayer.enabled();
-	    }
-
-	    function notesEditable() {
-	        var mode = context.mode();
-	        return context.map().notesEditable() && mode && mode.id !== 'save';
-	    }
-
-	    context.keybinding().on(mode.key, function() {
-	        if (!enabled()) return;
-
-	        if (mode.id === context.mode().id) {
-	            context.enter(modeBrowse(context));
-	        } else {
-	            context.enter(mode);
-	        }
-	    });
-
-	    tool.render = function(selection) {
-
-
-	        var debouncedUpdate = debounce(update, 500, { leading: true, trailing: true });
-
-	        context.map()
-	            .on('move.notes', debouncedUpdate)
-	            .on('drawn.notes', debouncedUpdate);
-
-	        context
-	            .on('enter.notes', update);
-
-	        update();
-
-
-	        function update() {
-	            var showNotes = notesEnabled();
-	            var data = showNotes ? [mode] : [];
-
-	            var buttons = selection.selectAll('button.add-button')
-	                .data(data, function(d) { return d.id; });
-
-	            // exit
-	            buttons.exit()
-	                .remove();
-
-	            // enter
-	            var buttonsEnter = buttons.enter()
-	                .append('button')
-	                .attr('tabindex', -1)
-	                .attr('class', function(d) { return d.id + ' add-button bar-button'; })
-	                .on('click.notes', function(d) {
-	                    if (!enabled()) return;
-
-	                    // When drawing, ignore accidental clicks on mode buttons - #4042
-	                    var currMode = context.mode().id;
-	                    if (/^draw/.test(currMode)) return;
-
-	                    if (d.id === currMode) {
-	                        context.enter(modeBrowse(context));
-	                    } else {
-	                        context.enter(d);
-	                    }
-	                })
-	                .call(uiTooltip()
-	                    .placement('bottom')
-	                    .title(function(d) { return d.description; })
-	                    .keys(function(d) { return [d.key]; })
-	                    .scrollContainer(context.container().select('.top-toolbar'))
-	                );
-
-	            buttonsEnter
-	                .each(function(d) {
-	                    select(this)
-	                        .call(svgIcon(d.icon || '#iD-icon-' + d.button));
-	                });
-
-	            // if we are adding/removing the buttons, check if toolbar has overflowed
-	            if (buttons.enter().size() || buttons.exit().size()) {
-	                context.ui().checkOverflow('.top-toolbar', true);
-	            }
-
-	            // update
-	            buttons = buttons
-	                .merge(buttonsEnter)
-	                .classed('disabled', function(d) { return !enabled(); })
-	                .classed('active', function(d) { return context.mode() && context.mode().button === d.button; });
-	        }
-	    };
-
-	    tool.uninstall = function() {
-	        context
-	            .on('enter.editor.notes', null)
-	            .on('exit.editor.notes', null)
-	            .on('enter.notes', null);
-
-	        context.map()
-	            .on('move.notes', null)
-	            .on('drawn.notes', null);
-	    };
-
-	    return tool;
-	}
-
-	function uiToolSave(context) {
-
-	    var tool = {
-	        id: 'save',
-	        label: _t('save.title')
-	    };
-
-	    var button = null;
-	    var tooltipBehavior = null;
-	    var history = context.history();
-	    var key = uiCmd('⌘S');
-	    var _numChanges = 0;
-
-	    function isSaving() {
-	        var mode = context.mode();
-	        return mode && mode.id === 'save';
-	    }
-
-	    function isDisabled() {
-	        return _numChanges === 0 || isSaving();
-	    }
-
-	    function save() {
-	        event.preventDefault();
-	        if (!context.inIntro() && !isSaving() && history.hasChanges()) {
-	            context.enter(modeSave(context));
-	        }
-	    }
-
-	    function bgColor() {
-	        var step;
-	        if (_numChanges === 0) {
-	            return null;
-	        } else if (_numChanges <= 50) {
-	            step = _numChanges / 50;
-	            return d3_interpolateRgb('#fff', '#ff8')(step);  // white -> yellow
-	        } else {
-	            step = Math.min((_numChanges - 50) / 50, 1.0);
-	            return d3_interpolateRgb('#ff8', '#f88')(step);  // yellow -> red
-	        }
-	    }
-
-	    function updateCount() {
-	        var val = history.difference().summary().length;
-	        if (val === _numChanges) return;
-
-	        _numChanges = val;
-
-	        if (tooltipBehavior) {
-	            tooltipBehavior
-	                .title(_t(_numChanges > 0 ? 'save.help' : 'save.no_changes'))
-	                .keys([key]);
-	        }
-
-	        if (button) {
-	            button
-	                .classed('disabled', isDisabled())
-	                .style('background', bgColor());
-
-	            button.select('span.count')
-	                .text(_numChanges);
-	        }
-	    }
-
-
-	    tool.render = function(selection) {
-	        tooltipBehavior = uiTooltip()
-	            .placement('bottom')
-	            .title(_t('save.no_changes'))
-	            .keys([key])
-	            .scrollContainer(context.container().select('.top-toolbar'));
-
-	        var lastPointerUpType;
-
-	        button = selection
-	            .append('button')
-	            .attr('class', 'save disabled bar-button')
-	            .on('pointerup', function() {
-	                lastPointerUpType = event.pointerType;
-	            })
-	            .on('click', function() {
-	                event.preventDefault();
-
-	                save();
-
-	                if (_numChanges === 0 && (
-	                    lastPointerUpType === 'touch' ||
-	                    lastPointerUpType === 'pen')
-	                ) {
-	                    // there are no tooltips for touch interactions so flash feedback instead
-	                    context.ui().flash
-	                        .duration(2000)
-	                        .iconName('#iD-icon-save')
-	                        .iconClass('disabled')
-	                        .text(_t('save.no_changes'))();
-	                }
-	                lastPointerUpType = null;
-	            })
-	            .call(tooltipBehavior);
-
-	        button
-	            .call(svgIcon('#iD-icon-save'));
-
-	        button
-	            .append('span')
-	            .attr('class', 'count')
-	            .attr('aria-hidden', 'true')
-	            .text('0');
-
-	        updateCount();
-
-
-	        context.keybinding()
-	            .on(key, save, true);
-
-
-	        context.history()
-	            .on('change.save', updateCount);
-
-	        context
-	            .on('enter.save', function() {
-	                if (button) {
-	                    button
-	                        .classed('disabled', isDisabled());
-
-	                    if (isSaving()) {
-	                        button.call(tooltipBehavior.hide);
-	                    }
-	                }
-	            });
-	    };
-
-
-	    tool.uninstall = function() {
-	        context.keybinding()
-	            .off(key, true);
-
-	        context.history()
-	            .on('change.save', null);
-
-	        context
-	            .on('enter.save', null);
-
-	        button = null;
-	        tooltipBehavior = null;
-	    };
-
-	    return tool;
-	}
-
-	function uiToolSidebarToggle(context) {
-
-	    var tool = {
-	        id: 'sidebar_toggle',
-	        label: _t('toolbar.inspect')
-	    };
-
-	    tool.render = function(selection) {
-	        selection
-	            .append('button')
-	            .attr('class', 'bar-button')
-	            .on('click', function() {
-	                context.ui().sidebar.toggle();
-	            })
-	            .call(uiTooltip()
-	                .placement('bottom')
-	                .title(_t('sidebar.tooltip'))
-	                .keys([_t('sidebar.key')])
-	                .scrollContainer(context.container().select('.top-toolbar'))
-	            )
-	            .call(svgIcon('#iD-icon-sidebar-' + (_mainLocalizer.textDirection() === 'rtl' ? 'right' : 'left')));
-	    };
-
-	    return tool;
-	}
-
-	function uiToolUndoRedo(context) {
-
-	    var tool = {
-	        id: 'undo_redo',
-	        label: _t('toolbar.undo_redo')
-	    };
-
-	    var commands = [{
-	        id: 'undo',
-	        cmd: uiCmd('⌘Z'),
-	        action: function() {
-	            context.undo();
-	        },
-	        annotation: function() {
-	            return context.history().undoAnnotation();
-	        },
-	        icon: 'iD-icon-' + (_mainLocalizer.textDirection() === 'rtl' ? 'redo' : 'undo')
-	    }, {
-	        id: 'redo',
-	        cmd: uiCmd('⌘⇧Z'),
-	        action: function() {
-	            context.redo();
-	        },
-	        annotation: function() {
-	            return context.history().redoAnnotation();
-	        },
-	        icon: 'iD-icon-' + (_mainLocalizer.textDirection() === 'rtl' ? 'undo' : 'redo')
-	    }];
-
-
-	    function editable() {
-	        return context.mode() && context.mode().id !== 'save' && context.map().editableDataEnabled(true /* ignore min zoom */);
-	    }
-
-
-	    tool.render = function(selection) {
-	        var tooltipBehavior = uiTooltip()
-	            .placement('bottom')
-	            .title(function (d) {
-	                return d.annotation() ?
-	                    _t(d.id + '.tooltip', { action: d.annotation() }) :
-	                    _t(d.id + '.nothing');
-	            })
-	            .keys(function(d) {
-	                return [d.cmd];
-	            })
-	            .scrollContainer(context.container().select('.top-toolbar'));
-
-	        var lastPointerUpType;
-
-	        var buttons = selection.selectAll('button')
-	            .data(commands)
-	            .enter()
-	            .append('button')
-	            .attr('class', function(d) { return 'disabled ' + d.id + '-button bar-button'; })
-	            .on('pointerup', function() {
-	                // `pointerup` is always called before `click`
-	                lastPointerUpType = event.pointerType;
-	            })
-	            .on('click', function(d) {
-	                event.preventDefault();
-
-	                var annotation = d.annotation();
-
-	                if (editable() && annotation) {
-	                    d.action();
-	                }
-
-	                if (editable() && (
-	                    lastPointerUpType === 'touch' ||
-	                    lastPointerUpType === 'pen')
-	                ) {
-	                    // there are no tooltips for touch interactions so flash feedback instead
-
-	                    var text = annotation ?
-	                        _t(d.id + '.tooltip', { action: annotation }) :
-	                        _t(d.id + '.nothing');
-	                    context.ui().flash
-	                        .duration(2000)
-	                        .iconName('#' + d.icon)
-	                        .iconClass(annotation ? '' : 'disabled')
-	                        .text(text)();
-	                }
-	                lastPointerUpType = null;
-	            })
-	            .call(tooltipBehavior);
-
-	        buttons.each(function(d) {
-	            select(this)
-	                .call(svgIcon('#' + d.icon));
-	        });
-
-	        context.keybinding()
-	            .on(commands[0].cmd, function() {
-	                event.preventDefault();
-	                if (editable()) commands[0].action();
-	            })
-	            .on(commands[1].cmd, function() {
-	                event.preventDefault();
-	                if (editable()) commands[1].action();
-	            });
-
-
-	        var debouncedUpdate = debounce(update, 500, { leading: true, trailing: true });
-
-	        context.map()
-	            .on('move.undo_redo', debouncedUpdate)
-	            .on('drawn.undo_redo', debouncedUpdate);
-
-	        context.history()
-	            .on('change.undo_redo', function(difference) {
-	                if (difference) update();
-	            });
-
-	        context
-	            .on('enter.undo_redo', update);
-
-
-	        function update() {
-	            buttons
-	                .classed('disabled', function(d) {
-	                    return !editable() || !d.annotation();
-	                })
-	                .each(function() {
-	                    var selection = select(this);
-	                    if (!selection.select('.tooltip.in').empty()) {
-	                        selection.call(tooltipBehavior.updateContent);
-	                    }
-	                });
-	        }
-	    };
-
-	    tool.uninstall = function() {
-	        context.keybinding()
-	            .off(commands[0].cmd)
-	            .off(commands[1].cmd);
-
-	        context.map()
-	            .on('move.undo_redo', null)
-	            .on('drawn.undo_redo', null);
-
-	        context.history()
-	            .on('change.undo_redo', null);
-
-	        context
-	            .on('enter.undo_redo', null);
-	    };
-
-	    return tool;
-	}
-
-	function uiTopToolbar(context) {
-
-	    var sidebarToggle = uiToolSidebarToggle(context),
-	        modes = uiToolOldDrawModes(context),
-	        notes = uiToolNotes(context),
-	        undoRedo = uiToolUndoRedo(context),
-	        save = uiToolSave(context);
-
-	    function notesEnabled() {
-	        var noteLayer = context.layers().layer('notes');
-	        return noteLayer && noteLayer.enabled();
-	    }
-
-	    function topToolbar(bar) {
-
-	        bar.on('wheel.topToolbar', function() {
-	            if (!event.deltaX) {
-	                // translate vertical scrolling into horizontal scrolling in case
-	                // the user doesn't have an input device that can scroll horizontally
-	                bar.node().scrollLeft += event.deltaY;
-	            }
-	        });
-
-	        var debouncedUpdate = debounce(update, 500, { leading: true, trailing: true });
-	        context.layers()
-	            .on('change.topToolbar', debouncedUpdate);
-
-	        update();
-
-	        function update() {
-
-	            var tools = [
-	                sidebarToggle,
-	                'spacer',
-	                modes
-	            ];
-
-	            tools.push('spacer');
-
-	            if (notesEnabled()) {
-	                tools = tools.concat([notes, 'spacer']);
-	            }
-
-	            tools = tools.concat([undoRedo, save]);
-
-	            var toolbarItems = bar.selectAll('.toolbar-item')
-	                .data(tools, function(d) {
-	                    return d.id || d;
-	                });
-
-	            toolbarItems.exit()
-	                .each(function(d) {
-	                    if (d.uninstall) {
-	                        d.uninstall();
-	                    }
-	                })
-	                .remove();
-
-	            var itemsEnter = toolbarItems
-	                .enter()
-	                .append('div')
-	                .attr('class', function(d) {
-	                    var classes = 'toolbar-item ' + (d.id || d).replace('_', '-');
-	                    if (d.klass) classes += ' ' + d.klass;
-	                    return classes;
-	                });
-
-	            var actionableItems = itemsEnter.filter(function(d) { return d !== 'spacer'; });
-
-	            actionableItems
-	                .append('div')
-	                .attr('class', 'item-content')
-	                .each(function(d) {
-	                    select(this).call(d.render, bar);
-	                });
-
-	            actionableItems
-	                .append('div')
-	                .attr('class', 'item-label')
-	                .text(function(d) {
-	                    return d.label;
-	                });
-	        }
-
-	    }
-
-	    return topToolbar;
-	}
-
-	// these are module variables so they are preserved through a ui.restart()
-	var sawVersion = null;
-	var isNewVersion = false;
-	var isNewUser = false;
-
-
-	function uiVersion(context) {
-
-	    var currVersion = context.version;
-	    var matchedVersion = currVersion.match(/\d+\.\d+\.\d+.*/);
-
-	    if (sawVersion === null && matchedVersion !== null) {
-	        if (corePreferences('sawVersion')) {
-	            isNewUser = false;
-	            isNewVersion = corePreferences('sawVersion') !== currVersion;
-	        } else {
-	            isNewUser = true;
-	            isNewVersion = true;
-	        }
-	        corePreferences('sawVersion', currVersion);
-	        sawVersion = currVersion;
-	    }
-
-	    return function(selection) {
-	        selection
-	            .append('a')
-	            .attr('target', '_blank')
-	            .attr('href', 'https://github.com/openstreetmap/iD')
-	            .text(currVersion);
-
-	        // only show new version indicator to users that have used iD before
-	        if (isNewVersion && !isNewUser) {
-	            selection
-	                .append('div')
-	                .attr('class', 'badge')
-	                .append('a')
-	                .attr('target', '_blank')
-	                .attr('href', 'https://github.com/openstreetmap/iD/blob/release/CHANGELOG.md#whats-new')
-	                .call(svgIcon('#maki-gift-11'))
-	                .call(uiTooltip()
-	                    .title(_t('version.whats_new', { version: currVersion }))
-	                    .placement('top')
-	                );
-	        }
-	    };
-	}
-
-	function uiZoom(context) {
-
-	    var zooms = [{
-	        id: 'zoom-in',
-	        icon: 'iD-icon-plus',
-	        title: _t('zoom.in'),
-	        action: zoomIn,
-	        disabled: function() {
-	            return !context.map().canZoomIn();
-	        },
-	        disabledTitle: _t('zoom.disabled.in'),
-	        key: '+'
-	    }, {
-	        id: 'zoom-out',
-	        icon: 'iD-icon-minus',
-	        title: _t('zoom.out'),
-	        action: zoomOut,
-	        disabled: function() {
-	            return !context.map().canZoomOut();
-	        },
-	        disabledTitle: _t('zoom.disabled.out'),
-	        key: '-'
-	    }];
-
-	    function zoomIn() {
-	        event.preventDefault();
-	        context.map().zoomIn();
-	    }
-
-	    function zoomOut() {
-	        event.preventDefault();
-	        context.map().zoomOut();
-	    }
-
-	    function zoomInFurther() {
-	        event.preventDefault();
-	        context.map().zoomInFurther();
-	    }
-
-	    function zoomOutFurther() {
-	        event.preventDefault();
-	        context.map().zoomOutFurther();
-	    }
-
-	    return function(selection) {
-	        var tooltipBehavior = uiTooltip()
-	            .placement((_mainLocalizer.textDirection() === 'rtl') ? 'right' : 'left')
-	            .title(function(d) {
-	                if (d.disabled()) {
-	                    return d.disabledTitle;
-	                }
-	                return d.title;
-	            })
-	            .keys(function(d) {
-	                return [d.key];
-	            });
-
-	        var lastPointerUpType;
-
-	        var buttons = selection.selectAll('button')
-	            .data(zooms)
-	            .enter()
-	            .append('button')
-	            .attr('class', function(d) { return d.id; })
-	            .on('pointerup.editor', function() {
-	                lastPointerUpType = event.pointerType;
-	            })
-	            .on('click.editor', function(d) {
-	                if (!d.disabled()) {
-	                    d.action();
-	                } else if (lastPointerUpType === 'touch' || lastPointerUpType === 'pen') {
-	                    context.ui().flash
-	                        .duration(2000)
-	                        .iconName('#' + d.icon)
-	                        .iconClass('disabled')
-	                        .text(d.disabledTitle)();
-	                }
-	                lastPointerUpType = null;
-	            })
-	            .call(tooltipBehavior);
-
-	        buttons.each(function(d) {
-	            select(this)
-	                .call(svgIcon('#' + d.icon, 'light'));
-	        });
-
-	        ['plus', 'ffplus', '=', 'ffequals'].forEach(function(key) {
-	            context.keybinding().on([key], zoomIn);
-	            context.keybinding().on([uiCmd('⌘' + key)], zoomInFurther);
-	        });
-
-	        ['_', '-', 'ffminus', 'dash'].forEach(function(key) {
-	            context.keybinding().on([key], zoomOut);
-	            context.keybinding().on([uiCmd('⌘' + key)], zoomOutFurther);
-	        });
-
-	        function updateButtonStates() {
-	            buttons
-	                .classed('disabled', function(d) {
-	                    return d.disabled();
-	                })
-	                .each(function() {
-	                    var selection = select(this);
-	                    if (!selection.select('.tooltip.in').empty()) {
-	                        selection.call(tooltipBehavior.updateContent);
-	                    }
-	                });
-	        }
-
-	        updateButtonStates();
-
-	        context.map().on('move.uiZoom', updateButtonStates);
-	    };
-	}
-
-	function uiZoomToSelection(context) {
-
-	    function isDisabled() {
-	        var mode = context.mode();
-	        return !mode || !mode.zoomToSelected;
-	    }
-
-	    var _lastPointerUpType;
-
-	    function pointerup() {
-	        _lastPointerUpType = event.pointerType;
-	    }
-
-	    function click() {
-	        event.preventDefault();
-
-	        if (isDisabled()) {
-	            if (_lastPointerUpType === 'touch' || _lastPointerUpType === 'pen') {
-	                context.ui().flash
-	                    .duration(2000)
-	                    .iconName('#iD-icon-framed-dot')
-	                    .iconClass('disabled')
-	                    .text(_t('inspector.zoom_to.no_selection'))();
-	            }
-	        } else {
-	            var mode = context.mode();
-	            if (mode && mode.zoomToSelected) {
-	                mode.zoomToSelected();
-	            }
-	        }
-
-	        _lastPointerUpType = null;
-	    }
-
-	    return function(selection) {
-
-	        var tooltipBehavior = uiTooltip()
-	            .placement((_mainLocalizer.textDirection() === 'rtl') ? 'right' : 'left')
-	            .title(function() {
-	                if (isDisabled()) {
-	                    return _t('inspector.zoom_to.no_selection');
-	                }
-	                return _t('inspector.zoom_to.title');
-	            })
-	            .keys([_t('inspector.zoom_to.key')]);
-
-	        var button = selection
-	            .append('button')
-	            .on('pointerup', pointerup)
-	            .on('click', click)
-	            .call(svgIcon('#iD-icon-framed-dot', 'light'))
-	            .call(tooltipBehavior);
-
-	        function setEnabledState() {
-	            button.classed('disabled', isDisabled());
-	            if (!button.select('.tooltip.in').empty()) {
-	                button.call(tooltipBehavior.updateContent);
-	            }
-	        }
-
-	        context.on('enter.uiZoomToSelection', setEnabledState);
-
-	        setEnabledState();
-	    };
-	}
-
-	function uiPane(id, context) {
-
-	    var _key;
-	    var _title = '';
-	    var _description = '';
-	    var _iconName = '';
-	    var _sections; // array of uiSection objects
-
-	    var _paneSelection = select(null);
-
-	    var _paneTooltip;
-
-	    var pane = {
-	        id: id
-	    };
-
-	    pane.title = function(val) {
-	        if (!arguments.length) return _title;
-	        _title = val;
-	        return pane;
-	    };
-
-	    pane.key = function(val) {
-	        if (!arguments.length) return _key;
-	        _key = val;
-	        return pane;
-	    };
-
-	    pane.description = function(val) {
-	        if (!arguments.length) return _description;
-	        _description = val;
-	        return pane;
-	    };
-
-	    pane.iconName = function(val) {
-	        if (!arguments.length) return _iconName;
-	        _iconName = val;
-	        return pane;
-	    };
-
-	    pane.sections = function(val) {
-	        if (!arguments.length) return _sections;
-	        _sections = val;
-	        return pane;
-	    };
-
-	    pane.selection = function() {
-	        return _paneSelection;
-	    };
-
-	    function hidePane() {
-	        context.ui().togglePanes();
-	    }
-
-	    pane.togglePane = function() {
-	        if (event) event.preventDefault();
-	        _paneTooltip.hide();
-	        context.ui().togglePanes(!_paneSelection.classed('shown') ? _paneSelection : undefined);
-	    };
-
-	    pane.renderToggleButton = function(selection) {
-
-	        if (!_paneTooltip) {
-	            _paneTooltip = uiTooltip()
-	                .placement((_mainLocalizer.textDirection() === 'rtl') ? 'right' : 'left')
-	                .title(_description)
-	                .keys([_key]);
-	        }
-
-	        selection
-	            .append('button')
-	            .on('click', pane.togglePane)
-	            .call(svgIcon('#' + _iconName, 'light'))
-	            .call(_paneTooltip);
-	    };
-
-	    pane.renderContent = function(selection) {
-	        // override to fully customize content
-
-	        if (_sections) {
-	            _sections.forEach(function(section) {
-	                selection.call(section.render);
-	            });
-	        }
-	    };
-
-	    pane.renderPane = function(selection) {
-
-	        _paneSelection = selection
-	            .append('div')
-	            .attr('class', 'fillL map-pane hide ' + id + '-pane')
-	            .attr('pane', id);
-
-	        var heading = _paneSelection
-	            .append('div')
-	            .attr('class', 'pane-heading');
-
-	        heading
-	            .append('h2')
-	            .text(_title);
-
-	        heading
-	            .append('button')
-	            .on('click', hidePane)
-	            .call(svgIcon('#iD-icon-close'));
-
-
-	        _paneSelection
-	            .append('div')
-	            .attr('class', 'pane-content')
-	            .call(pane.renderContent);
-
-	        if (_key) {
-	            context.keybinding()
-	                .on(_key, pane.togglePane);
-	        }
-	    };
-
-	    return pane;
-	}
-
-	function uiSectionBackgroundDisplayOptions(context) {
-
-	    var section = uiSection('background-display-options', context)
-	        .title(_t('background.display_options'))
-	        .disclosureContent(renderDisclosureContent);
-
-	    var _detected = utilDetect();
-	    var _storedOpacity = corePreferences('background-opacity');
-	    var _minVal = 0.25;
-	    var _maxVal = _detected.cssfilters ? 2 : 1;
-
-	    var _sliders = _detected.cssfilters
-	        ? ['brightness', 'contrast', 'saturation', 'sharpness']
-	        : ['brightness'];
-
-	    var _options = {
-	        brightness: (_storedOpacity !== null ? (+_storedOpacity) : 1),
-	        contrast: 1,
-	        saturation: 1,
-	        sharpness: 1
-	    };
-
-	    function clamp(x, min, max) {
-	        return Math.max(min, Math.min(x, max));
-	    }
-
-	    function updateValue(d, val) {
-	        if (!val && event && event.target) {
-	            val = event.target.value;
-	        }
-
-	        val = clamp(val, _minVal, _maxVal);
-
-	        _options[d] = val;
-	        context.background()[d](val);
-
-	        if (d === 'brightness') {
-	            corePreferences('background-opacity', val);
-	        }
-
-	        section.reRender();
-	    }
-
-	    function renderDisclosureContent(selection) {
-	        var container = selection.selectAll('.display-options-container')
-	            .data([0]);
-
-	        var containerEnter = container.enter()
-	            .append('div')
-	            .attr('class', 'display-options-container controls-list');
-
-	        // add slider controls
-	        var slidersEnter = containerEnter.selectAll('.display-control')
-	            .data(_sliders)
-	            .enter()
-	            .append('div')
-	            .attr('class', function(d) { return 'display-control display-control-' + d; });
-
-	        slidersEnter
-	            .append('h5')
-	            .text(function(d) { return _t('background.' + d); })
-	            .append('span')
-	            .attr('class', function(d) { return 'display-option-value display-option-value-' + d; });
-
-	        slidersEnter
-	            .append('input')
-	            .attr('class', function(d) { return 'display-option-input display-option-input-' + d; })
-	            .attr('type', 'range')
-	            .attr('min', _minVal)
-	            .attr('max', _maxVal)
-	            .attr('step', '0.05')
-	            .on('input', function(d) {
-	                var val = select(this).property('value');
-	                updateValue(d, val);
-	            });
-
-	        slidersEnter
-	            .append('button')
-	            .attr('title', _t('background.reset'))
-	            .attr('class', function(d) { return 'display-option-reset display-option-reset-' + d; })
-	            .on('click', function(d) {
-	                if (event.button !== 0) return;
-	                updateValue(d, 1);
-	            })
-	            .call(svgIcon('#iD-icon-' + (_mainLocalizer.textDirection() === 'rtl' ? 'redo' : 'undo')));
-
-	        // reset all button
-	        containerEnter
-	            .append('a')
-	            .attr('class', 'display-option-resetlink')
-	            .attr('href', '#')
-	            .text(_t('background.reset_all'))
-	            .on('click', function() {
-	                for (var i = 0; i < _sliders.length; i++) {
-	                    updateValue(_sliders[i],1);
-	                }
-	            });
-
-	        // update
-	        container = containerEnter
-	            .merge(container);
-
-	        container.selectAll('.display-option-input')
-	            .property('value', function(d) { return _options[d]; });
-
-	        container.selectAll('.display-option-value')
-	            .text(function(d) { return Math.floor(_options[d] * 100) + '%'; });
-
-	        container.selectAll('.display-option-reset')
-	            .classed('disabled', function(d) { return _options[d] === 1; });
-
-	        // first time only, set brightness if needed
-	        if (containerEnter.size() && _options.brightness !== 1) {
-	            context.background().brightness(_options.brightness);
-	        }
-	    }
-
-	    return section;
-	}
-
-	function uiSettingsCustomBackground() {
-	    var dispatch$1 = dispatch('change');
-
-	    function render(selection) {
-	        // keep separate copies of original and current settings
-	        var _origSettings = {
-	            template: corePreferences('background-custom-template')
-	        };
-	        var _currSettings = {
-	            template: corePreferences('background-custom-template')
-	        };
-
-	        var example = 'https://{switch:a,b,c}.tile.openstreetmap.org/{zoom}/{x}/{y}.png';
-	        var modal = uiConfirm(selection).okButton();
-
-	        modal
-	            .classed('settings-modal settings-custom-background', true);
-
-	        modal.select('.modal-section.header')
-	            .append('h3')
-	            .text(_t('settings.custom_background.header'));
-
-
-	        var textSection = modal.select('.modal-section.message-text');
-
-	        var instructions =
-	            `${_t('settings.custom_background.instructions.info')}\n` +
-	            '\n' +
-	            `#### ${_t('settings.custom_background.instructions.wms.tokens_label')}\n` +
-	            `* ${_t('settings.custom_background.instructions.wms.tokens.proj')}\n` +
-	            `* ${_t('settings.custom_background.instructions.wms.tokens.wkid')}\n` +
-	            `* ${_t('settings.custom_background.instructions.wms.tokens.dimensions')}\n` +
-	            `* ${_t('settings.custom_background.instructions.wms.tokens.bbox')}\n` +
-	            '\n' +
-	            `#### ${_t('settings.custom_background.instructions.tms.tokens_label')}\n` +
-	            `* ${_t('settings.custom_background.instructions.tms.tokens.xyz')}\n` +
-	            `* ${_t('settings.custom_background.instructions.tms.tokens.flipped_y')}\n` +
-	            `* ${_t('settings.custom_background.instructions.tms.tokens.switch')}\n` +
-	            `* ${_t('settings.custom_background.instructions.tms.tokens.quadtile')}\n` +
-	            `* ${_t('settings.custom_background.instructions.tms.tokens.scale_factor')}\n` +
-	            '\n' +
-	            `#### ${_t('settings.custom_background.instructions.example')}\n` +
-	            `\`${example}\``;
-
-	        textSection
-	            .append('div')
-	            .attr('class', 'instructions-template')
-	            .html(marked_1(instructions));
-
-	        textSection
-	            .append('textarea')
-	            .attr('class', 'field-template')
-	            .attr('placeholder', _t('settings.custom_background.template.placeholder'))
-	            .call(utilNoAuto)
-	            .property('value', _currSettings.template);
-
-
-	        // insert a cancel button
-	        var buttonSection = modal.select('.modal-section.buttons');
-
-	        buttonSection
-	            .insert('button', '.ok-button')
-	            .attr('class', 'button cancel-button secondary-action')
-	            .text(_t('confirm.cancel'));
-
-
-	        buttonSection.select('.cancel-button')
-	            .on('click.cancel', clickCancel);
-
-	        buttonSection.select('.ok-button')
-	            .attr('disabled', isSaveDisabled)
-	            .on('click.save', clickSave);
-
-
-	        function isSaveDisabled() {
-	            return null;
-	        }
-
-
-	        // restore the original template
-	        function clickCancel() {
-	            textSection.select('.field-template').property('value', _origSettings.template);
-	            corePreferences('background-custom-template', _origSettings.template);
-	            this.blur();
-	            modal.close();
-	        }
-
-	        // accept the current template
-	        function clickSave() {
-	            _currSettings.template = textSection.select('.field-template').property('value');
-	            corePreferences('background-custom-template', _currSettings.template);
-	            this.blur();
-	            modal.close();
-	            dispatch$1.call('change', this, _currSettings);
-	        }
-	    }
-
-	    return utilRebind(render, dispatch$1, 'on');
-	}
-
-	function uiSectionBackgroundList(context) {
-
-	    var _backgroundList = select(null);
-
-	    var _customSource = context.background().findSource('custom');
-
-	    var _settingsCustomBackground = uiSettingsCustomBackground()
-	        .on('change', customChanged);
-
-	    var section = uiSection('background-list', context)
-	        .title(_t('background.backgrounds'))
-	        .disclosureContent(renderDisclosureContent);
-
-	    function previousBackgroundID() {
-	        return corePreferences('background-last-used-toggle');
-	    }
-
-	    function renderDisclosureContent(selection) {
-
-	        // the background list
-	        var container = selection.selectAll('.layer-background-list')
-	            .data([0]);
-
-	        _backgroundList = container.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-background-list')
-	            .attr('dir', 'auto')
-	            .merge(container);
-
-
-	        // add minimap toggle below list
-	        var bgExtrasListEnter = selection.selectAll('.bg-extras-list')
-	            .data([0])
-	            .enter()
-	            .append('ul')
-	            .attr('class', 'layer-list bg-extras-list');
-
-	        var minimapLabelEnter = bgExtrasListEnter
-	            .append('li')
-	            .attr('class', 'minimap-toggle-item')
-	            .append('label')
-	            .call(uiTooltip()
-	                .title(_t('background.minimap.tooltip'))
-	                .keys([_t('background.minimap.key')])
-	                .placement('top')
-	            );
-
-	        minimapLabelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function() {
-	                event.preventDefault();
-	                uiMapInMap.toggle();
-	            });
-
-	        minimapLabelEnter
-	            .append('span')
-	            .text(_t('background.minimap.description'));
-
-
-	        var panelLabelEnter = bgExtrasListEnter
-	            .append('li')
-	            .attr('class', 'background-panel-toggle-item')
-	            .append('label')
-	            .call(uiTooltip()
-	                .title(_t('background.panel.tooltip'))
-	                .keys([uiCmd('⌘⇧' + _t('info_panels.background.key'))])
-	                .placement('top')
-	            );
-
-	        panelLabelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function() {
-	                event.preventDefault();
-	                context.ui().info.toggle('background');
-	            });
-
-	        panelLabelEnter
-	            .append('span')
-	            .text(_t('background.panel.description'));
-
-	        var locPanelLabelEnter = bgExtrasListEnter
-	            .append('li')
-	            .attr('class', 'location-panel-toggle-item')
-	            .append('label')
-	            .call(uiTooltip()
-	                .title(_t('background.location_panel.tooltip'))
-	                .keys([uiCmd('⌘⇧' + _t('info_panels.location.key'))])
-	                .placement('top')
-	            );
-
-	        locPanelLabelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function() {
-	                event.preventDefault();
-	                context.ui().info.toggle('location');
-	            });
-
-	        locPanelLabelEnter
-	            .append('span')
-	            .text(_t('background.location_panel.description'));
-
-
-	        // "Info / Report a Problem" link
-	        selection.selectAll('.imagery-faq')
-	            .data([0])
-	            .enter()
-	            .append('div')
-	            .attr('class', 'imagery-faq')
-	            .append('a')
-	            .attr('target', '_blank')
-	            .call(svgIcon('#iD-icon-out-link', 'inline'))
-	            .attr('href', 'https://github.com/openstreetmap/iD/blob/develop/FAQ.md#how-can-i-report-an-issue-with-background-imagery')
-	            .append('span')
-	            .text(_t('background.imagery_problem_faq'));
-
-	        _backgroundList
-	            .call(drawListItems, 'radio', chooseBackground, function(d) { return !d.isHidden() && !d.overlay; });
-	    }
-
-	    function setTooltips(selection) {
-	        selection.each(function(d, i, nodes) {
-	            var item = select(this).select('label');
-	            var span = item.select('span');
-	            var placement = (i < nodes.length / 2) ? 'bottom' : 'top';
-	            var description = d.description();
-	            var isOverflowing = (span.property('clientWidth') !== span.property('scrollWidth'));
-
-	            item.call(uiTooltip().destroyAny);
-
-	            if (d.id === previousBackgroundID()) {
-	                item.call(uiTooltip()
-	                    .placement(placement)
-	                    .title('<div>' + _t('background.switch') + '</div>')
-	                    .keys([uiCmd('⌘' + _t('background.key'))])
-	                );
-	            } else if (description || isOverflowing) {
-	                item.call(uiTooltip()
-	                    .placement(placement)
-	                    .title(description || d.name())
-	                );
-	            }
-	        });
-	    }
-
-	    function drawListItems(layerList, type, change, filter) {
-	        var sources = context.background()
-	            .sources(context.map().extent(), context.map().zoom(), true)
-	            .filter(filter);
-
-	        var layerLinks = layerList.selectAll('li')
-	            .data(sources, function(d) { return d.name(); });
-
-	        layerLinks.exit()
-	            .remove();
-
-	        var enter = layerLinks.enter()
-	            .append('li')
-	            .classed('layer-custom', function(d) { return d.id === 'custom'; })
-	            .classed('best', function(d) { return d.best(); });
-
-	        var label = enter
-	            .append('label');
-
-	        label
-	            .append('input')
-	            .attr('type', type)
-	            .attr('name', 'layers')
-	            .on('change', change);
-
-	        label
-	            .append('span')
-	            .text(function(d) { return d.name(); });
-
-	        enter.filter(function(d) { return d.id === 'custom'; })
-	            .append('button')
-	            .attr('class', 'layer-browse')
-	            .call(uiTooltip()
-	                .title(_t('settings.custom_background.tooltip'))
-	                .placement((_mainLocalizer.textDirection() === 'rtl') ? 'right' : 'left')
-	            )
-	            .on('click', editCustom)
-	            .call(svgIcon('#iD-icon-more'));
-
-	        enter.filter(function(d) { return d.best(); })
-	            .append('div')
-	            .attr('class', 'best')
-	            .call(uiTooltip()
-	                .title(_t('background.best_imagery'))
-	                .placement((_mainLocalizer.textDirection() === 'rtl') ? 'right' : 'left')
-	            )
-	            .append('span')
-	            .html('&#9733;');
-
-
-	        layerList.selectAll('li')
-	            .sort(sortSources);
-
-	        layerList
-	            .call(updateLayerSelections);
-
-
-	        function sortSources(a, b) {
-	            return a.best() && !b.best() ? -1
-	                : b.best() && !a.best() ? 1
-	                : d3_descending(a.area(), b.area()) || d3_ascending(a.name(), b.name()) || 0;
-	        }
-	    }
-
-	    function updateLayerSelections(selection) {
-	        function active(d) {
-	            return context.background().showsLayer(d);
-	        }
-
-	        selection.selectAll('li')
-	            .classed('active', active)
-	            .classed('switch', function(d) { return d.id === previousBackgroundID(); })
-	            .call(setTooltips)
-	            .selectAll('input')
-	            .property('checked', active);
-	    }
-
-
-	    function chooseBackground(d) {
-	        if (d.id === 'custom' && !d.template()) {
-	            return editCustom();
-	        }
-
-	        event.preventDefault();
-	        var previousBackground = context.background().baseLayerSource();
-	        corePreferences('background-last-used-toggle', previousBackground.id);
-	        corePreferences('background-last-used', d.id);
-	        context.background().baseLayerSource(d);
-	        document.activeElement.blur();
-	    }
-
-
-	    function customChanged(d) {
-	        if (d && d.template) {
-	            _customSource.template(d.template);
-	            chooseBackground(_customSource);
-	        } else {
-	            _customSource.template('');
-	            chooseBackground(context.background().findSource('none'));
-	        }
-	    }
-
-
-	    function editCustom() {
-	        event.preventDefault();
-	        context.container()
-	            .call(_settingsCustomBackground);
-	    }
-
-
-	    context.background()
-	        .on('change.background_list', function() {
-	            _backgroundList.call(updateLayerSelections);
-	        });
-
-	    context.map()
-	        .on('move.background_list',
-	            debounce(function() {
-	                // layers in-view may have changed due to map move
-	                window.requestIdleCallback(section.reRender);
-	            }, 1000)
-	        );
-
-	    return section;
-	}
-
-	function uiSectionBackgroundOffset(context) {
-
-	    var section = uiSection('background-offset', context)
-	        .title(_t('background.fix_misalignment'))
-	        .disclosureContent(renderDisclosureContent)
-	        .expandedByDefault(false);
-
-	    var _pointerPrefix = 'PointerEvent' in window ? 'pointer' : 'mouse';
-
-	    var _directions = [
-	        ['right', [0.5, 0]],
-	        ['top', [0, -0.5]],
-	        ['left', [-0.5, 0]],
-	        ['bottom', [0, 0.5]]
-	    ];
-
-
-	    function cancelEvent() {
-	        event.stopPropagation();
-	        event.preventDefault();
-	    }
-
-
-	    function updateValue() {
-	        var meters = geoOffsetToMeters(context.background().offset());
-	        var x = +meters[0].toFixed(2);
-	        var y = +meters[1].toFixed(2);
-
-	        context.container().selectAll('.nudge-inner-rect')
-	            .select('input')
-	            .classed('error', false)
-	            .property('value', x + ', ' + y);
-
-	        context.container().selectAll('.nudge-reset')
-	            .classed('disabled', function() {
-	                return (x === 0 && y === 0);
-	            });
-	    }
-
-
-	    function resetOffset() {
-	        context.background().offset([0, 0]);
-	        updateValue();
-	    }
-
-
-	    function nudge(d) {
-	        context.background().nudge(d, context.map().zoom());
-	        updateValue();
-	    }
-
-
-	    function pointerdownNudgeButton(d) {
-	        var interval;
-	        var timeout = window.setTimeout(function() {
-	                interval = window.setInterval(nudge.bind(null, d), 100);
-	            }, 500);
-
-	        function doneNudge() {
-	            window.clearTimeout(timeout);
-	            window.clearInterval(interval);
-	            select(window)
-	                .on(_pointerPrefix + 'up.buttonoffset', null, true)
-	                .on(_pointerPrefix + 'down.buttonoffset', null, true);
-	        }
-
-	        select(window)
-	            .on(_pointerPrefix + 'up.buttonoffset', doneNudge, true)
-	            .on(_pointerPrefix + 'down.buttonoffset', doneNudge, true);
-
-	        nudge(d);
-	    }
-
-
-	    function inputOffset() {
-	        var input = select(this);
-	        var d = input.node().value;
-
-	        if (d === '') return resetOffset();
-
-	        d = d.replace(/;/g, ',').split(',').map(function(n) {
-	            // if n is NaN, it will always get mapped to false.
-	            return !isNaN(n) && n;
-	        });
-
-	        if (d.length !== 2 || !d[0] || !d[1]) {
-	            input.classed('error', true);
-	            return;
-	        }
-
-	        context.background().offset(geoMetersToOffset(d));
-	        updateValue();
-	    }
-
-
-	    function dragOffset() {
-	        if (event.button !== 0) return;
-
-	        var origin = [event.clientX, event.clientY];
-
-	        var pointerId = event.pointerId || 'mouse';
-
-	        context.container()
-	            .append('div')
-	            .attr('class', 'nudge-surface');
-
-	        select(window)
-	            .on(_pointerPrefix + 'move.drag-bg-offset', pointermove)
-	            .on(_pointerPrefix + 'up.drag-bg-offset', pointerup);
-
-	        if (_pointerPrefix === 'pointer') {
-	            select(window)
-	                .on('pointercancel.drag-bg-offset', pointerup);
-	        }
-
-	        function pointermove() {
-	            if (pointerId !== (event.pointerId || 'mouse')) return;
-
-	            var latest = [event.clientX, event.clientY];
-	            var d = [
-	                -(origin[0] - latest[0]) / 4,
-	                -(origin[1] - latest[1]) / 4
-	            ];
-
-	            origin = latest;
-	            nudge(d);
-	        }
-
-	        function pointerup() {
-	            if (pointerId !== (event.pointerId || 'mouse')) return;
-	            if (event.button !== 0) return;
-
-	            context.container().selectAll('.nudge-surface')
-	                .remove();
-
-	            select(window)
-	                .on('.drag-bg-offset', null);
-	        }
-	    }
-
-
-	    function renderDisclosureContent(selection) {
-	        var container = selection.selectAll('.nudge-container')
-	            .data([0]);
-
-	        var containerEnter = container.enter()
-	            .append('div')
-	            .attr('class', 'nudge-container cf');
-
-	        containerEnter
-	            .append('div')
-	            .attr('class', 'nudge-instructions')
-	            .text(_t('background.offset'));
-
-	        var nudgeEnter = containerEnter
-	            .append('div')
-	            .attr('class', 'nudge-outer-rect')
-	            .on(_pointerPrefix + 'down', dragOffset);
-
-	        nudgeEnter
-	            .append('div')
-	            .attr('class', 'nudge-inner-rect')
-	            .append('input')
-	            .on('change', inputOffset);
-
-	        containerEnter
-	            .append('div')
-	            .selectAll('button')
-	            .data(_directions).enter()
-	            .append('button')
-	            .attr('class', function(d) { return d[0] + ' nudge'; })
-	            .on('contextmenu', cancelEvent)
-	            .on(_pointerPrefix + 'down', function(d) {
-	                if (event.button !== 0) return;
-	                pointerdownNudgeButton(d[1]);
-	            });
-
-	        containerEnter
-	            .append('button')
-	            .attr('title', _t('background.reset'))
-	            .attr('class', 'nudge-reset disabled')
-	            .on('contextmenu', cancelEvent)
-	            .on('click', function() {
-	                event.preventDefault();
-	                if (event.button !== 0) return;
-	                resetOffset();
-	            })
-	            .call(svgIcon('#iD-icon-' + (_mainLocalizer.textDirection() === 'rtl' ? 'redo' : 'undo')));
-
-	        updateValue();
-	    }
-
-	    context.background()
-	        .on('change.backgroundOffset-update', updateValue);
-
-	    return section;
-	}
-
-	function uiSectionOverlayList(context) {
-
-	    var section = uiSection('overlay-list', context)
-	        .title(_t('background.overlays'))
-	        .disclosureContent(renderDisclosureContent);
-
-	    var _overlayList = select(null);
-
-	    function setTooltips(selection) {
-	        selection.each(function(d, i, nodes) {
-	            var item = select(this).select('label');
-	            var span = item.select('span');
-	            var placement = (i < nodes.length / 2) ? 'bottom' : 'top';
-	            var description = d.description();
-	            var isOverflowing = (span.property('clientWidth') !== span.property('scrollWidth'));
-
-	            item.call(uiTooltip().destroyAny);
-
-	            if (description || isOverflowing) {
-	                item.call(uiTooltip()
-	                    .placement(placement)
-	                    .title(description || d.name())
-	                );
-	            }
-	        });
-	    }
-
-	    function updateLayerSelections(selection) {
-	        function active(d) {
-	            return context.background().showsLayer(d);
-	        }
-
-	        selection.selectAll('li')
-	            .classed('active', active)
-	            .call(setTooltips)
-	            .selectAll('input')
-	            .property('checked', active);
-	    }
-
-
-	    function chooseOverlay(d) {
-	        event.preventDefault();
-	        context.background().toggleOverlayLayer(d);
-	        _overlayList.call(updateLayerSelections);
-	        document.activeElement.blur();
-	    }
-
-	    function drawListItems(layerList, type, change, filter) {
-	        var sources = context.background()
-	            .sources(context.map().extent(), context.map().zoom(), true)
-	            .filter(filter);
-
-	        var layerLinks = layerList.selectAll('li')
-	            .data(sources, function(d) { return d.name(); });
-
-	        layerLinks.exit()
-	            .remove();
-
-	        var enter = layerLinks.enter()
-	            .append('li');
-
-	        var label = enter
-	            .append('label');
-
-	        label
-	            .append('input')
-	            .attr('type', type)
-	            .attr('name', 'layers')
-	            .on('change', change);
-
-	        label
-	            .append('span')
-	            .text(function(d) { return d.name(); });
-
-
-	        layerList.selectAll('li')
-	            .sort(sortSources);
-
-	        layerList
-	            .call(updateLayerSelections);
-
-
-	        function sortSources(a, b) {
-	            return a.best() && !b.best() ? -1
-	                : b.best() && !a.best() ? 1
-	                : d3_descending(a.area(), b.area()) || d3_ascending(a.name(), b.name()) || 0;
-	        }
-	    }
-
-	    function renderDisclosureContent(selection) {
-
-	        var container = selection.selectAll('.layer-overlay-list')
-	            .data([0]);
-
-	        _overlayList = container.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-overlay-list')
-	            .attr('dir', 'auto')
-	            .merge(container);
-
-	        _overlayList
-	            .call(drawListItems, 'checkbox', chooseOverlay, function(d) { return !d.isHidden() && d.overlay; });
-	    }
-
-	    context.map()
-	        .on('move.overlay_list',
-	            debounce(function() {
-	                // layers in-view may have changed due to map move
-	                window.requestIdleCallback(section.reRender);
-	            }, 1000)
-	        );
-
-	    return section;
-	}
-
-	function uiPaneBackground(context) {
-
-	    var backgroundPane = uiPane('background', context)
-	        .key(_t('background.key'))
-	        .title(_t('background.title'))
-	        .description(_t('background.description'))
-	        .iconName('iD-icon-layers')
-	        .sections([
-	            uiSectionBackgroundList(context),
-	            uiSectionOverlayList(context),
-	            uiSectionBackgroundDisplayOptions(context),
-	            uiSectionBackgroundOffset(context)
-	        ]);
-
-	    return backgroundPane;
-	}
-
-	function uiPaneHelp(context) {
-
-	    var docKeys = [
-	        ['help', [
-	            'welcome',
-	            'open_data_h',
-	            'open_data',
-	            'before_start_h',
-	            'before_start',
-	            'open_source_h',
-	            'open_source',
-	            'open_source_help'
-	        ]],
-	        ['overview', [
-	            'navigation_h',
-	            'navigation_drag',
-	            'navigation_zoom',
-	            'features_h',
-	            'features',
-	            'nodes_ways'
-	        ]],
-	        ['editing', [
-	            'select_h',
-	            'select_left_click',
-	            'select_right_click',
-	            'select_space',
-	            'multiselect_h',
-	            'multiselect',
-	            'multiselect_shift_click',
-	            'multiselect_lasso',
-	            'undo_redo_h',
-	            'undo_redo',
-	            'save_h',
-	            'save',
-	            'save_validation',
-	            'upload_h',
-	            'upload',
-	            'backups_h',
-	            'backups',
-	            'keyboard_h',
-	            'keyboard'
-	        ]],
-	        ['feature_editor', [
-	            'intro',
-	            'definitions',
-	            'type_h',
-	            'type',
-	            'type_picker',
-	            'fields_h',
-	            'fields_all_fields',
-	            'fields_example',
-	            'fields_add_field',
-	            'tags_h',
-	            'tags_all_tags',
-	            'tags_resources'
-	        ]],
-	        ['points', [
-	            'intro',
-	            'add_point_h',
-	            'add_point',
-	            'add_point_finish',
-	            'move_point_h',
-	            'move_point',
-	            'delete_point_h',
-	            'delete_point',
-	            'delete_point_command'
-	        ]],
-	        ['lines', [
-	            'intro',
-	            'add_line_h',
-	            'add_line',
-	            'add_line_draw',
-	            'add_line_continue',
-	            'add_line_finish',
-	            'modify_line_h',
-	            'modify_line_dragnode',
-	            'modify_line_addnode',
-	            'connect_line_h',
-	            'connect_line',
-	            'connect_line_display',
-	            'connect_line_drag',
-	            'connect_line_tag',
-	            'disconnect_line_h',
-	            'disconnect_line_command',
-	            'move_line_h',
-	            'move_line_command',
-	            'move_line_connected',
-	            'delete_line_h',
-	            'delete_line',
-	            'delete_line_command'
-	        ]],
-	        ['areas', [
-	            'intro',
-	            'point_or_area_h',
-	            'point_or_area',
-	            'add_area_h',
-	            'add_area_command',
-	            'add_area_draw',
-	            'add_area_continue',
-	            'add_area_finish',
-	            'square_area_h',
-	            'square_area_command',
-	            'modify_area_h',
-	            'modify_area_dragnode',
-	            'modify_area_addnode',
-	            'delete_area_h',
-	            'delete_area',
-	            'delete_area_command'
-	        ]],
-	        ['relations', [
-	            'intro',
-	            'edit_relation_h',
-	            'edit_relation',
-	            'edit_relation_add',
-	            'edit_relation_delete',
-	            'maintain_relation_h',
-	            'maintain_relation',
-	            'relation_types_h',
-	            'multipolygon_h',
-	            'multipolygon',
-	            'multipolygon_create',
-	            'multipolygon_merge',
-	            'turn_restriction_h',
-	            'turn_restriction',
-	            'turn_restriction_field',
-	            'turn_restriction_editing',
-	            'route_h',
-	            'route',
-	            'route_add',
-	            'boundary_h',
-	            'boundary',
-	            'boundary_add'
-	        ]],
-	        ['notes', [
-	            'intro',
-	            'add_note_h',
-	            'add_note',
-	            'place_note',
-	            'move_note',
-	            'update_note_h',
-	            'update_note',
-	            'save_note_h',
-	            'save_note'
-	        ]],
-	        ['imagery', [
-	            'intro',
-	            'sources_h',
-	            'choosing',
-	            'sources',
-	            'offsets_h',
-	            'offset',
-	            'offset_change'
-	        ]],
-	        ['streetlevel', [
-	            'intro',
-	            'using_h',
-	            'using',
-	            'photos',
-	            'viewer'
-	        ]],
-	        ['gps', [
-	            'intro',
-	            'survey',
-	            'using_h',
-	            'using',
-	            'tracing',
-	            'upload'
-	        ]],
-	        ['qa', [
-	            'intro',
-	            'tools_h',
-	            'tools',
-	            'issues_h',
-	            'issues'
-	        ]]
-	    ];
-
-	    var headings = {
-	        'help.help.open_data_h': 3,
-	        'help.help.before_start_h': 3,
-	        'help.help.open_source_h': 3,
-	        'help.overview.navigation_h': 3,
-	        'help.overview.features_h': 3,
-	        'help.editing.select_h': 3,
-	        'help.editing.multiselect_h': 3,
-	        'help.editing.undo_redo_h': 3,
-	        'help.editing.save_h': 3,
-	        'help.editing.upload_h': 3,
-	        'help.editing.backups_h': 3,
-	        'help.editing.keyboard_h': 3,
-	        'help.feature_editor.type_h': 3,
-	        'help.feature_editor.fields_h': 3,
-	        'help.feature_editor.tags_h': 3,
-	        'help.points.add_point_h': 3,
-	        'help.points.move_point_h': 3,
-	        'help.points.delete_point_h': 3,
-	        'help.lines.add_line_h': 3,
-	        'help.lines.modify_line_h': 3,
-	        'help.lines.connect_line_h': 3,
-	        'help.lines.disconnect_line_h': 3,
-	        'help.lines.move_line_h': 3,
-	        'help.lines.delete_line_h': 3,
-	        'help.areas.point_or_area_h': 3,
-	        'help.areas.add_area_h': 3,
-	        'help.areas.square_area_h': 3,
-	        'help.areas.modify_area_h': 3,
-	        'help.areas.delete_area_h': 3,
-	        'help.relations.edit_relation_h': 3,
-	        'help.relations.maintain_relation_h': 3,
-	        'help.relations.relation_types_h': 2,
-	        'help.relations.multipolygon_h': 3,
-	        'help.relations.turn_restriction_h': 3,
-	        'help.relations.route_h': 3,
-	        'help.relations.boundary_h': 3,
-	        'help.notes.add_note_h': 3,
-	        'help.notes.update_note_h': 3,
-	        'help.notes.save_note_h': 3,
-	        'help.imagery.sources_h': 3,
-	        'help.imagery.offsets_h': 3,
-	        'help.streetlevel.using_h': 3,
-	        'help.gps.using_h': 3,
-	        'help.qa.tools_h': 3,
-	        'help.qa.issues_h': 3
-	    };
-
-	    // For each section, squash all the texts into a single markdown document
-	    var docs = docKeys.map(function(key) {
-	        var helpkey = 'help.' + key[0];
-	        var helpPaneReplacements = { version: context.version };
-	        var text = key[1].reduce(function(all, part) {
-	            var subkey = helpkey + '.' + part;
-	            var depth = headings[subkey];                              // is this subkey a heading?
-	            var hhh = depth ? Array(depth + 1).join('#') + ' ' : '';   // if so, prepend with some ##'s
-	            return all + hhh + helpString(subkey, helpPaneReplacements) + '\n\n';
-	        }, '');
-
-	        return {
-	            title: _t(helpkey + '.title'),
-	            html: marked_1(text.trim())
-	                // use keyboard key styling for shortcuts
-	                .replace(/<code>/g, '<kbd>')
-	                .replace(/<\/code>/g, '<\/kbd>')
-	        };
-	    });
-
-	    var helpPane = uiPane('help', context)
-	        .key(_t('help.key'))
-	        .title(_t('help.title'))
-	        .description(_t('help.title'))
-	        .iconName('iD-icon-help');
-
-	    helpPane.renderContent = function(content) {
-
-	        function clickHelp(d, i) {
-	            var rtl = (_mainLocalizer.textDirection() === 'rtl');
-	            content.property('scrollTop', 0);
-	            helpPane.selection().select('.pane-heading h2').html(d.title);
-
-	            body.html(d.html);
-	            body.selectAll('a')
-	                .attr('target', '_blank');
-	            menuItems.classed('selected', function(m) {
-	                return m.title === d.title;
-	            });
-
-	            nav.html('');
-	            if (rtl) {
-	                nav.call(drawNext).call(drawPrevious);
-	            } else {
-	                nav.call(drawPrevious).call(drawNext);
-	            }
-
-
-	            function drawNext(selection) {
-	                if (i < docs.length - 1) {
-	                    var nextLink = selection
-	                        .append('a')
-	                        .attr('class', 'next')
-	                        .on('click', function() {
-	                            clickHelp(docs[i + 1], i + 1);
-	                        });
-
-	                    nextLink
-	                        .append('span')
-	                        .text(docs[i + 1].title)
-	                        .call(svgIcon((rtl ? '#iD-icon-backward' : '#iD-icon-forward'), 'inline'));
-	                }
-	            }
-
-
-	            function drawPrevious(selection) {
-	                if (i > 0) {
-	                    var prevLink = selection
-	                        .append('a')
-	                        .attr('class', 'previous')
-	                        .on('click', function() {
-	                            clickHelp(docs[i - 1], i - 1);
-	                        });
-
-	                    prevLink
-	                        .call(svgIcon((rtl ? '#iD-icon-forward' : '#iD-icon-backward'), 'inline'))
-	                        .append('span')
-	                        .text(docs[i - 1].title);
-	                }
-	            }
-	        }
-
-
-	        function clickWalkthrough() {
-	            if (context.inIntro()) return;
-	            context.container().call(uiIntro(context));
-	            context.ui().togglePanes();
-	        }
-
-
-	        function clickShortcuts() {
-	            context.container().call(uiShortcuts(context), true);
-	        }
-
-	        var toc = content
-	            .append('ul')
-	            .attr('class', 'toc');
-
-	        var menuItems = toc.selectAll('li')
-	            .data(docs)
-	            .enter()
-	            .append('li')
-	            .append('a')
-	            .html(function(d) { return d.title; })
-	            .on('click', clickHelp);
-
-	        var shortcuts = toc
-	            .append('li')
-	            .attr('class', 'shortcuts')
-	            .call(uiTooltip()
-	                .title(_t('shortcuts.tooltip'))
-	                .keys(['?'])
-	                .placement('top')
-	            )
-	            .append('a')
-	            .on('click', clickShortcuts);
-
-	        shortcuts
-	            .append('div')
-	            .text(_t('shortcuts.title'));
-
-	        var walkthrough = toc
-	            .append('li')
-	            .attr('class', 'walkthrough')
-	            .append('a')
-	            .on('click', clickWalkthrough);
-
-	        walkthrough
-	            .append('svg')
-	            .attr('class', 'logo logo-walkthrough')
-	            .append('use')
-	            .attr('xlink:href', '#iD-logo-walkthrough');
-
-	        walkthrough
-	            .append('div')
-	            .text(_t('splash.walkthrough'));
-
-
-	        var helpContent = content
-	            .append('div')
-	            .attr('class', 'left-content');
-
-	        var body = helpContent
-	            .append('div')
-	            .attr('class', 'body');
-
-	        var nav = helpContent
-	            .append('div')
-	            .attr('class', 'nav');
-
-	        clickHelp(docs[0], 0);
-
-	    };
-
-	    return helpPane;
-	}
-
-	function uiSectionValidationIssues(id, severity, context) {
-
-	    var _issues = [];
-
-	    var section = uiSection(id, context)
-	        .title(function() {
-	            if (!_issues) return '';
-	            var issueCountText = _issues.length > 1000 ? '1000+' : String(_issues.length);
-	            return _t('issues.' + severity + 's.list_title', { count: issueCountText });
-	        })
-	        .disclosureContent(renderDisclosureContent)
-	        .shouldDisplay(function() {
-	            return _issues && _issues.length;
-	        });
-
-	    function getOptions() {
-	        return {
-	            what: corePreferences('validate-what') || 'edited',
-	            where: corePreferences('validate-where') || 'all'
-	        };
-	    }
-
-	    // get and cache the issues to display, unordered
-	    function reloadIssues() {
-	        _issues = context.validator().getIssuesBySeverity(getOptions())[severity];
-	    }
-
-	    function renderDisclosureContent(selection) {
-
-	        var center = context.map().center();
-	        var graph = context.graph();
-
-	        // sort issues by distance away from the center of the map
-	        var issues = _issues.map(function withDistance(issue) {
-	                var extent = issue.extent(graph);
-	                var dist = extent ? geoSphericalDistance(center, extent.center()) : 0;
-	                return Object.assign(issue, { dist: dist });
-	            })
-	            .sort(function byDistance(a, b) {
-	                return a.dist - b.dist;
-	            });
-
-	        // cut off at 1000
-	        issues = issues.slice(0, 1000);
-
-	        //renderIgnoredIssuesReset(_warningsSelection);
-
-	        selection
-	            .call(drawIssuesList, issues);
-	    }
-
-	    function drawIssuesList(selection, issues) {
-	        var list = selection.selectAll('.issues-list')
-	            .data([0]);
-
-	        list = list.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list issues-list ' + severity + 's-list')
-	            .merge(list);
-
-
-	        var items = list.selectAll('li')
-	            .data(issues, function(d) { return d.id; });
-
-	        // Exit
-	        items.exit()
-	            .remove();
-
-	        // Enter
-	        var itemsEnter = items.enter()
-	            .append('li')
-	            .attr('class', function (d) { return 'issue severity-' + d.severity; })
-	            .on('click', function(d) {
-	                context.validator().focusIssue(d);
-	            })
-	            .on('mouseover', function(d) {
-	                utilHighlightEntities(d.entityIds, true, context);
-	            })
-	            .on('mouseout', function(d) {
-	                utilHighlightEntities(d.entityIds, false, context);
-	            });
-
-
-	        var labelsEnter = itemsEnter
-	            .append('div')
-	            .attr('class', 'issue-label');
-
-	        var textEnter = labelsEnter
-	            .append('span')
-	            .attr('class', 'issue-text');
-
-	        textEnter
-	            .append('span')
-	            .attr('class', 'issue-icon')
-	            .each(function(d) {
-	                var iconName = '#iD-icon-' + (d.severity === 'warning' ? 'alert' : 'error');
-	                select(this)
-	                    .call(svgIcon(iconName));
-	            });
-
-	        textEnter
-	            .append('span')
-	            .attr('class', 'issue-message');
-
-	        /*
-	        labelsEnter
-	            .append('span')
-	            .attr('class', 'issue-autofix')
-	            .each(function(d) {
-	                if (!d.autoFix) return;
-
-	                d3_select(this)
-	                    .append('button')
-	                    .attr('title', t('issues.fix_one.title'))
-	                    .datum(d.autoFix)  // set button datum to the autofix
-	                    .attr('class', 'autofix action')
-	                    .on('click', function(d) {
-	                        d3_event.preventDefault();
-	                        d3_event.stopPropagation();
-
-	                        var issuesEntityIDs = d.issue.entityIds;
-	                        utilHighlightEntities(issuesEntityIDs.concat(d.entityIds), false, context);
-
-	                        context.perform.apply(context, d.autoArgs);
-	                        context.validator().validate();
-	                    })
-	                    .call(svgIcon('#iD-icon-wrench'));
-	            });
-	        */
-
-	        // Update
-	        items = items
-	            .merge(itemsEnter)
-	            .order();
-
-	        items.selectAll('.issue-message')
-	            .text(function(d) {
-	                return d.message(context);
-	            });
-
-	        /*
-	        // autofix
-	        var canAutoFix = issues.filter(function(issue) { return issue.autoFix; });
-
-	        var autoFixAll = selection.selectAll('.autofix-all')
-	            .data(canAutoFix.length ? [0] : []);
-
-	        // exit
-	        autoFixAll.exit()
-	            .remove();
-
-	        // enter
-	        var autoFixAllEnter = autoFixAll.enter()
-	            .insert('div', '.issues-list')
-	            .attr('class', 'autofix-all');
-
-	        var linkEnter = autoFixAllEnter
-	            .append('a')
-	            .attr('class', 'autofix-all-link')
-	            .attr('href', '#');
-
-	        linkEnter
-	            .append('span')
-	            .attr('class', 'autofix-all-link-text')
-	            .text(t('issues.fix_all.title'));
-
-	        linkEnter
-	            .append('span')
-	            .attr('class', 'autofix-all-link-icon')
-	            .call(svgIcon('#iD-icon-wrench'));
-
-	        if (severity === 'warning') {
-	            renderIgnoredIssuesReset(selection);
-	        }
-
-	        // update
-	        autoFixAll = autoFixAll
-	            .merge(autoFixAllEnter);
-
-	        autoFixAll.selectAll('.autofix-all-link')
-	            .on('click', function() {
-	                context.pauseChangeDispatch();
-	                context.perform(actionNoop());
-	                canAutoFix.forEach(function(issue) {
-	                    var args = issue.autoFix.autoArgs.slice();  // copy
-	                    if (typeof args[args.length - 1] !== 'function') {
-	                        args.pop();
-	                    }
-	                    args.push(t('issues.fix_all.annotation'));
-	                    context.replace.apply(context, args);
-	                });
-	                context.resumeChangeDispatch();
-	                context.validator().validate();
-	            });
-	        */
-	    }
-
-	    context.validator().on('validated.uiSectionValidationIssues' + id, function() {
-	        window.requestIdleCallback(function() {
-	            reloadIssues();
-	            section.reRender();
-	        });
-	    });
-
-	    context.map().on('move.uiSectionValidationIssues' + id,
-	        debounce(function() {
-	            window.requestIdleCallback(function() {
-	                if (getOptions().where === 'visible') {
-	                    // must refetch issues if they are viewport-dependent
-	                    reloadIssues();
-	                }
-	                // always reload list to re-sort-by-distance
-	                section.reRender();
-	            });
-	        }, 1000)
-	    );
-
-	    return section;
-	}
-
-	function uiSectionValidationOptions(context) {
-
-	    var section = uiSection('issues-options', context)
-	        .content(renderContent);
-
-	    function renderContent(selection) {
-
-	        var container = selection.selectAll('.issues-options-container')
-	            .data([0]);
-
-	        container = container.enter()
-	            .append('div')
-	            .attr('class', 'issues-options-container')
-	            .merge(container);
-
-	        var data = [
-	            { key: 'what', values: ['edited', 'all'] },
-	            { key: 'where', values: ['visible', 'all'] }
-	        ];
-
-	        var options = container.selectAll('.issues-option')
-	            .data(data, function(d) { return d.key; });
-
-	        var optionsEnter = options.enter()
-	            .append('div')
-	            .attr('class', function(d) { return 'issues-option issues-option-' + d.key; });
-
-	        optionsEnter
-	            .append('div')
-	            .attr('class', 'issues-option-title')
-	            .text(function(d) { return _t('issues.options.' + d.key + '.title'); });
-
-	        var valuesEnter = optionsEnter.selectAll('label')
-	            .data(function(d) {
-	                return d.values.map(function(val) { return { value: val, key: d.key }; });
-	            })
-	            .enter()
-	            .append('label');
-
-	        valuesEnter
-	            .append('input')
-	            .attr('type', 'radio')
-	            .attr('name', function(d) { return 'issues-option-' + d.key; })
-	            .attr('value', function(d) { return d.value; })
-	            .property('checked', function(d) { return getOptions()[d.key] === d.value; })
-	            .on('change', function(d) { updateOptionValue(d.key, d.value); });
-
-	        valuesEnter
-	            .append('span')
-	            .text(function(d) { return _t('issues.options.' + d.key + '.' + d.value); });
-	    }
-
-	    function getOptions() {
-	        return {
-	            what: corePreferences('validate-what') || 'edited',  // 'all', 'edited'
-	            where: corePreferences('validate-where') || 'all'    // 'all', 'visible'
-	        };
-	    }
-
-	    function updateOptionValue(d, val) {
-	        if (!val && event && event.target) {
-	            val = event.target.value;
-	        }
-
-	        corePreferences('validate-' + d, val);
-	        context.validator().validate();
-	    }
-
-	    return section;
-	}
-
-	function uiSectionValidationRules(context) {
-
-	    var MINSQUARE = 0;
-	    var MAXSQUARE = 20;
-	    var DEFAULTSQUARE = 5;  // see also unsquare_way.js
-
-	    var section = uiSection('issues-rules', context)
-	        .disclosureContent(renderDisclosureContent)
-	        .title(_t('issues.rules.title'));
-
-	    var _ruleKeys = context.validator().getRuleKeys()
-	        .filter(function(key) { return key !== 'maprules'; })
-	        .sort(function(key1, key2) {
-	            // alphabetize by localized title
-	            return _t('issues.' + key1 + '.title') < _t('issues.' + key2 + '.title') ? -1 : 1;
-	        });
-
-	    function renderDisclosureContent(selection) {
-	        var container = selection.selectAll('.issues-rulelist-container')
-	            .data([0]);
-
-	        var containerEnter = container.enter()
-	            .append('div')
-	            .attr('class', 'issues-rulelist-container');
-
-	        containerEnter
-	            .append('ul')
-	            .attr('class', 'layer-list issue-rules-list');
-
-	        var ruleLinks = containerEnter
-	            .append('div')
-	            .attr('class', 'issue-rules-links section-footer');
-
-	        ruleLinks
-	            .append('a')
-	            .attr('class', 'issue-rules-link')
-	            .attr('href', '#')
-	            .text(_t('issues.enable_all'))
-	            .on('click', function() {
-	                context.validator().disableRules([]);
-	            });
-
-	        ruleLinks
-	            .append('a')
-	            .attr('class', 'issue-rules-link')
-	            .attr('href', '#')
-	            .text(_t('issues.disable_all'))
-	            .on('click', function() {
-	                context.validator().disableRules(_ruleKeys);
-	            });
-
-
-	        // Update
-	        container = container
-	            .merge(containerEnter);
-
-	        container.selectAll('.issue-rules-list')
-	            .call(drawListItems, _ruleKeys, 'checkbox', 'rule', toggleRule, isRuleEnabled);
-	    }
-
-	    function drawListItems(selection, data, type, name, change, active) {
-	        var items = selection.selectAll('li')
-	            .data(data);
-
-	        // Exit
-	        items.exit()
-	            .remove();
-
-	        // Enter
-	        var enter = items.enter()
-	            .append('li');
-
-	        if (name === 'rule') {
-	            enter
-	                .call(uiTooltip()
-	                    .title(function(d) { return _t('issues.' + d + '.tip'); })
-	                    .placement('top')
-	                );
-	        }
-
-	        var label = enter
-	            .append('label');
-
-	        label
-	            .append('input')
-	            .attr('type', type)
-	            .attr('name', name)
-	            .on('change', change);
-
-	        label
-	            .append('span')
-	            .html(function(d) {
-	                var params = {};
-	                if (d === 'unsquare_way') {
-	                    params.val = '<span class="square-degrees"></span>';
-	                }
-	                return _t('issues.' + d + '.title', params);
-	            });
-
-	        // Update
-	        items = items
-	            .merge(enter);
-
-	        items
-	            .classed('active', active)
-	            .selectAll('input')
-	            .property('checked', active)
-	            .property('indeterminate', false);
-
-
-	        // user-configurable square threshold
-	        var degStr = corePreferences('validate-square-degrees');
-	        if (degStr === null) {
-	            degStr = '' + DEFAULTSQUARE;
-	        }
-
-	        var span = items.selectAll('.square-degrees');
-	        var input = span.selectAll('.square-degrees-input')
-	            .data([0]);
-
-	        // enter / update
-	        input.enter()
-	            .append('input')
-	            .attr('type', 'number')
-	            .attr('min', '' + MINSQUARE)
-	            .attr('max', '' + MAXSQUARE)
-	            .attr('step', '0.5')
-	            .attr('class', 'square-degrees-input')
-	            .call(utilNoAuto)
-	            .on('click', function () {
-	                event.preventDefault();
-	                event.stopPropagation();
-	                this.select();
-	            })
-	            .on('keyup', function () {
-	                if (event.keyCode === 13) { // enter
-	                    this.blur();
-	                    this.select();
-	                }
-	            })
-	            .on('blur', changeSquare)
-	            .merge(input)
-	            .property('value', degStr);
-	    }
-
-	    function changeSquare() {
-	        var input = select(this);
-	        var degStr = utilGetSetValue(input).trim();
-	        var degNum = parseFloat(degStr, 10);
-
-	        if (!isFinite(degNum)) {
-	            degNum = DEFAULTSQUARE;
-	        } else if (degNum > MAXSQUARE) {
-	            degNum = MAXSQUARE;
-	        } else if (degNum < MINSQUARE) {
-	            degNum = MINSQUARE;
-	        }
-
-	        degNum = Math.round(degNum * 10 ) / 10;   // round to 1 decimal
-	        degStr = '' + degNum;
-
-	        input
-	            .property('value', degStr);
-
-	        corePreferences('validate-square-degrees', degStr);
-	        context.validator().reloadUnsquareIssues();
-	    }
-
-	    function isRuleEnabled(d) {
-	        return context.validator().isRuleEnabled(d);
-	    }
-
-	    function toggleRule(d) {
-	        context.validator().toggleRule(d);
-	    }
-
-	    context.validator().on('validated.uiSectionValidationRules', function() {
-	        window.requestIdleCallback(section.reRender);
-	    });
-
-	    return section;
-	}
-
-	function uiSectionValidationStatus(context) {
-
-	    var section = uiSection('issues-status', context)
-	        .content(renderContent)
-	        .shouldDisplay(function() {
-	            var issues = context.validator().getIssues(getOptions());
-	            return issues.length === 0;
-	        });
-
-	    function getOptions() {
-	        return {
-	            what: corePreferences('validate-what') || 'edited',
-	            where: corePreferences('validate-where') || 'all'
-	        };
-	    }
-
-	    function renderContent(selection) {
-
-	        var box = selection.selectAll('.box')
-	            .data([0]);
-
-	        var boxEnter = box.enter()
-	            .append('div')
-	            .attr('class', 'box');
-
-	        boxEnter
-	            .append('div')
-	            .call(svgIcon('#iD-icon-apply', 'pre-text'));
-
-	        var noIssuesMessage = boxEnter
-	            .append('span');
-
-	        noIssuesMessage
-	            .append('strong')
-	            .attr('class', 'message');
-
-	        noIssuesMessage
-	            .append('br');
-
-	        noIssuesMessage
-	            .append('span')
-	            .attr('class', 'details');
-
-	        renderIgnoredIssuesReset(selection);
-	        setNoIssuesText(selection);
-	    }
-
-	    function renderIgnoredIssuesReset(selection) {
-
-	        var ignoredIssues = context.validator()
-	            .getIssues({ what: 'all', where: 'all', includeDisabledRules: true, includeIgnored: 'only' });
-
-	        var resetIgnored = selection.selectAll('.reset-ignored')
-	            .data(ignoredIssues.length ? [0] : []);
-
-	        // exit
-	        resetIgnored.exit()
-	            .remove();
-
-	        // enter
-	        var resetIgnoredEnter = resetIgnored.enter()
-	            .append('div')
-	            .attr('class', 'reset-ignored section-footer');
-
-	        resetIgnoredEnter
-	            .append('a')
-	            .attr('href', '#');
-
-	        // update
-	        resetIgnored = resetIgnored
-	            .merge(resetIgnoredEnter);
-
-	        resetIgnored.select('a')
-	            .text(_t('issues.reset_ignored', { count: ignoredIssues.length.toString() }));
-
-	        resetIgnored.on('click', function() {
-	            context.validator().resetIgnoredIssues();
-	        });
-	    }
-
-	    function setNoIssuesText(selection) {
-
-	        var opts = getOptions();
-
-	        function checkForHiddenIssues(cases) {
-	            for (var type in cases) {
-	                var hiddenOpts = cases[type];
-	                var hiddenIssues = context.validator().getIssues(hiddenOpts);
-	                if (hiddenIssues.length) {
-	                    selection.select('.box .details')
-	                        .text(_t(
-	                            'issues.no_issues.hidden_issues.' + type,
-	                            { count: hiddenIssues.length.toString() }
-	                        ));
-	                    return;
-	                }
-	            }
-	            selection.select('.box .details')
-	                .text(_t('issues.no_issues.hidden_issues.none'));
-	        }
-
-	        var messageType;
-
-	        if (opts.what === 'edited' && opts.where === 'visible') {
-
-	            messageType = 'edits_in_view';
-
-	            checkForHiddenIssues({
-	                elsewhere: { what: 'edited', where: 'all' },
-	                everything_else: { what: 'all', where: 'visible' },
-	                disabled_rules: { what: 'edited', where: 'visible', includeDisabledRules: 'only' },
-	                everything_else_elsewhere: { what: 'all', where: 'all' },
-	                disabled_rules_elsewhere: { what: 'edited', where: 'all', includeDisabledRules: 'only' },
-	                ignored_issues: { what: 'edited', where: 'visible', includeIgnored: 'only' },
-	                ignored_issues_elsewhere: { what: 'edited', where: 'all', includeIgnored: 'only' }
-	            });
-
-	        } else if (opts.what === 'edited' && opts.where === 'all') {
-
-	            messageType = 'edits';
-
-	            checkForHiddenIssues({
-	                everything_else: { what: 'all', where: 'all' },
-	                disabled_rules: { what: 'edited', where: 'all', includeDisabledRules: 'only' },
-	                ignored_issues: { what: 'edited', where: 'all', includeIgnored: 'only' }
-	            });
-
-	        } else if (opts.what === 'all' && opts.where === 'visible') {
-
-	            messageType = 'everything_in_view';
-
-	            checkForHiddenIssues({
-	                elsewhere: { what: 'all', where: 'all' },
-	                disabled_rules: { what: 'all', where: 'visible', includeDisabledRules: 'only' },
-	                disabled_rules_elsewhere: { what: 'all', where: 'all', includeDisabledRules: 'only' },
-	                ignored_issues: { what: 'all', where: 'visible', includeIgnored: 'only' },
-	                ignored_issues_elsewhere: { what: 'all', where: 'all', includeIgnored: 'only' }
-	            });
-	        } else if (opts.what === 'all' && opts.where === 'all') {
-
-	            messageType = 'everything';
-
-	            checkForHiddenIssues({
-	                disabled_rules: { what: 'all', where: 'all', includeDisabledRules: 'only' },
-	                ignored_issues: { what: 'all', where: 'all', includeIgnored: 'only' }
-	            });
-	        }
-
-	        if (opts.what === 'edited' && context.history().difference().summary().length === 0) {
-	            messageType = 'no_edits';
-	        }
-
-	        selection.select('.box .message')
-	            .text(_t('issues.no_issues.message.' + messageType));
-
-	    }
-
-	    context.validator().on('validated.uiSectionValidationStatus', function() {
-	        window.requestIdleCallback(section.reRender);
-	    });
-
-	    context.map().on('move.uiSectionValidationStatus',
-	        debounce(function() {
-	            window.requestIdleCallback(section.reRender);
-	        }, 1000)
-	    );
-
-	    return section;
-	}
-
-	function uiPaneIssues(context) {
-
-	    var issuesPane = uiPane('issues', context)
-	        .key(_t('issues.key'))
-	        .title(_t('issues.title'))
-	        .description(_t('issues.title'))
-	        .iconName('iD-icon-alert')
-	        .sections([
-	            uiSectionValidationOptions(context),
-	            uiSectionValidationStatus(context),
-	            uiSectionValidationIssues('issues-errors', 'error', context),
-	            uiSectionValidationIssues('issues-warnings', 'warning', context),
-	            uiSectionValidationRules(context)
-	        ]);
-
-	    return issuesPane;
-	}
-
-	function uiSettingsCustomData(context) {
-	    var dispatch$1 = dispatch('change');
-
-	    function render(selection) {
-	        var dataLayer = context.layers().layer('data');
-
-	        // keep separate copies of original and current settings
-	        var _origSettings = {
-	            fileList: (dataLayer && dataLayer.fileList()) || null,
-	            url: corePreferences('settings-custom-data-url')
-	        };
-	        var _currSettings = {
-	            fileList: (dataLayer && dataLayer.fileList()) || null,
-	            url: corePreferences('settings-custom-data-url')
-	        };
-
-	        // var example = 'https://{switch:a,b,c}.tile.openstreetmap.org/{zoom}/{x}/{y}.png';
-	        var modal = uiConfirm(selection).okButton();
-
-	        modal
-	            .classed('settings-modal settings-custom-data', true);
-
-	        modal.select('.modal-section.header')
-	            .append('h3')
-	            .text(_t('settings.custom_data.header'));
-
-
-	        var textSection = modal.select('.modal-section.message-text');
-
-	        textSection
-	            .append('pre')
-	            .attr('class', 'instructions-file')
-	            .text(_t('settings.custom_data.file.instructions'));
-
-	        textSection
-	            .append('input')
-	            .attr('class', 'field-file')
-	            .attr('type', 'file')
-	            .property('files', _currSettings.fileList)  // works for all except IE11
-	            .on('change', function() {
-	                var files = event.target.files;
-	                if (files && files.length) {
-	                    _currSettings.url = '';
-	                    textSection.select('.field-url').property('value', '');
-	                    _currSettings.fileList = files;
-	                } else {
-	                    _currSettings.fileList = null;
-	                }
-	            });
-
-	        textSection
-	            .append('h4')
-	            .text(_t('settings.custom_data.or'));
-
-	        textSection
-	            .append('pre')
-	            .attr('class', 'instructions-url')
-	            .text(_t('settings.custom_data.url.instructions'));
-
-	        textSection
-	            .append('textarea')
-	            .attr('class', 'field-url')
-	            .attr('placeholder', _t('settings.custom_data.url.placeholder'))
-	            .call(utilNoAuto)
-	            .property('value', _currSettings.url);
-
-
-	        // insert a cancel button
-	        var buttonSection = modal.select('.modal-section.buttons');
-
-	        buttonSection
-	            .insert('button', '.ok-button')
-	            .attr('class', 'button cancel-button secondary-action')
-	            .text(_t('confirm.cancel'));
-
-
-	        buttonSection.select('.cancel-button')
-	            .on('click.cancel', clickCancel);
-
-	        buttonSection.select('.ok-button')
-	            .attr('disabled', isSaveDisabled)
-	            .on('click.save', clickSave);
-
-
-	        function isSaveDisabled() {
-	            return null;
-	        }
-
-
-	        // restore the original url
-	        function clickCancel() {
-	            textSection.select('.field-url').property('value', _origSettings.url);
-	            corePreferences('settings-custom-data-url', _origSettings.url);
-	            this.blur();
-	            modal.close();
-	        }
-
-	        // accept the current url
-	        function clickSave() {
-	            _currSettings.url = textSection.select('.field-url').property('value').trim();
-
-	            // one or the other but not both
-	            if (_currSettings.url) { _currSettings.fileList = null; }
-	            if (_currSettings.fileList) { _currSettings.url = ''; }
-
-	            corePreferences('settings-custom-data-url', _currSettings.url);
-	            this.blur();
-	            modal.close();
-	            dispatch$1.call('change', this, _currSettings);
-	        }
-	    }
-
-	    return utilRebind(render, dispatch$1, 'on');
-	}
-
-	function uiSectionDataLayers(context) {
-
-	    var settingsCustomData = uiSettingsCustomData(context)
-	        .on('change', customChanged);
-
-	    var layers = context.layers();
-
-	    var section = uiSection('data-layers', context)
-	        .title(_t('map_data.data_layers'))
-	        .disclosureContent(renderDisclosureContent);
-
-	    function renderDisclosureContent(selection) {
-	        var container = selection.selectAll('.data-layer-container')
-	            .data([0]);
-
-	        container.enter()
-	            .append('div')
-	            .attr('class', 'data-layer-container')
-	            .merge(container)
-	            .call(drawOsmItems)
-	            .call(drawQAItems)
-	            .call(drawCustomDataItems)
-	            .call(drawVectorItems)      // Beta - Detroit mapping challenge
-	            .call(drawPanelItems);
-	    }
-
-	    function showsLayer(which) {
-	        var layer = layers.layer(which);
-	        if (layer) {
-	            return layer.enabled();
-	        }
-	        return false;
-	    }
-
-	    function setLayer(which, enabled) {
-	        // Don't allow layer changes while drawing - #6584
-	        var mode = context.mode();
-	        if (mode && /^draw/.test(mode.id)) return;
-
-	        var layer = layers.layer(which);
-	        if (layer) {
-	            layer.enabled(enabled);
-
-	            if (!enabled && (which === 'osm' || which === 'notes')) {
-	                context.enter(modeBrowse(context));
-	            }
-	        }
-	    }
-
-	    function toggleLayer(which) {
-	        setLayer(which, !showsLayer(which));
-	    }
-
-	    function drawOsmItems(selection) {
-	        var osmKeys = ['osm', 'notes'];
-	        var osmLayers = layers.all().filter(function(obj) { return osmKeys.indexOf(obj.id) !== -1; });
-
-	        var ul = selection
-	            .selectAll('.layer-list-osm')
-	            .data([0]);
-
-	        ul = ul.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-list-osm')
-	            .merge(ul);
-
-	        var li = ul.selectAll('.list-item')
-	            .data(osmLayers);
-
-	        li.exit()
-	            .remove();
-
-	        var liEnter = li.enter()
-	            .append('li')
-	            .attr('class', function(d) { return 'list-item list-item-' + d.id; });
-
-	        var labelEnter = liEnter
-	            .append('label')
-	            .each(function(d) {
-	                if (d.id === 'osm') {
-	                    select(this)
-	                        .call(uiTooltip()
-	                            .title(_t('map_data.layers.' + d.id + '.tooltip'))
-	                            .keys([uiCmd('⌥' + _t('area_fill.wireframe.key'))])
-	                            .placement('bottom')
-	                        );
-	                } else {
-	                    select(this)
-	                        .call(uiTooltip()
-	                            .title(_t('map_data.layers.' + d.id + '.tooltip'))
-	                            .placement('bottom')
-	                        );
-	                }
-	            });
-
-	        labelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function(d) { toggleLayer(d.id); });
-
-	        labelEnter
-	            .append('span')
-	            .text(function(d) { return _t('map_data.layers.' + d.id + '.title'); });
-
-
-	        // Update
-	        li
-	            .merge(liEnter)
-	            .classed('active', function (d) { return d.layer.enabled(); })
-	            .selectAll('input')
-	            .property('checked', function (d) { return d.layer.enabled(); });
-	    }
-
-	    function drawQAItems(selection) {
-	        var qaKeys = ['keepRight', 'improveOSM', 'osmose'];
-	        var qaLayers = layers.all().filter(function(obj) { return qaKeys.indexOf(obj.id) !== -1; });
-
-	        var ul = selection
-	            .selectAll('.layer-list-qa')
-	            .data([0]);
-
-	        ul = ul.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-list-qa')
-	            .merge(ul);
-
-	        var li = ul.selectAll('.list-item')
-	            .data(qaLayers);
-
-	        li.exit()
-	            .remove();
-
-	        var liEnter = li.enter()
-	            .append('li')
-	            .attr('class', function(d) { return 'list-item list-item-' + d.id; });
-
-	        var labelEnter = liEnter
-	            .append('label')
-	            .each(function(d) {
-	                select(this)
-	                    .call(uiTooltip()
-	                        .title(_t('map_data.layers.' + d.id + '.tooltip'))
-	                        .placement('bottom')
-	                    );
-	            });
-
-	        labelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function(d) { toggleLayer(d.id); });
-
-	        labelEnter
-	            .append('span')
-	            .text(function(d) { return _t('map_data.layers.' + d.id + '.title'); });
-
-
-	        // Update
-	        li
-	            .merge(liEnter)
-	            .classed('active', function (d) { return d.layer.enabled(); })
-	            .selectAll('input')
-	            .property('checked', function (d) { return d.layer.enabled(); });
-	    }
-
-	    // Beta feature - sample vector layers to support Detroit Mapping Challenge
-	    // https://github.com/osmus/detroit-mapping-challenge
-	    function drawVectorItems(selection) {
-	        var dataLayer = layers.layer('data');
-	        var vtData = [
-	            {
-	                name: 'Detroit Neighborhoods/Parks',
-	                src: 'neighborhoods-parks',
-	                tooltip: 'Neighborhood boundaries and parks as compiled by City of Detroit in concert with community groups.',
-	                template: 'https://{switch:a,b,c,d}.tiles.mapbox.com/v4/jonahadkins.cjksmur6x34562qp9iv1u3ksf-54hev,jonahadkins.cjksmqxdx33jj2wp90xd9x2md-4e5y2/{z}/{x}/{y}.vector.pbf?access_token=pk.eyJ1Ijoiam9uYWhhZGtpbnMiLCJhIjoiRlVVVkx3VSJ9.9sdVEK_B_VkEXPjssU5MqA'
-	            }, {
-	                name: 'Detroit Composite POIs',
-	                src: 'composite-poi',
-	                tooltip: 'Fire Inspections, Business Licenses, and other public location data collated from the City of Detroit.',
-	                template: 'https://{switch:a,b,c,d}.tiles.mapbox.com/v4/jonahadkins.cjksmm6a02sli31myxhsr7zf3-2sw8h/{z}/{x}/{y}.vector.pbf?access_token=pk.eyJ1Ijoiam9uYWhhZGtpbnMiLCJhIjoiRlVVVkx3VSJ9.9sdVEK_B_VkEXPjssU5MqA'
-	            }, {
-	                name: 'Detroit All-The-Places POIs',
-	                src: 'alltheplaces-poi',
-	                tooltip: 'Public domain business location data created by web scrapers.',
-	                template: 'https://{switch:a,b,c,d}.tiles.mapbox.com/v4/jonahadkins.cjksmswgk340g2vo06p1w9w0j-8fjjc/{z}/{x}/{y}.vector.pbf?access_token=pk.eyJ1Ijoiam9uYWhhZGtpbnMiLCJhIjoiRlVVVkx3VSJ9.9sdVEK_B_VkEXPjssU5MqA'
-	            }
-	        ];
-
-	        // Only show this if the map is around Detroit..
-	        var detroit = geoExtent([-83.5, 42.1], [-82.8, 42.5]);
-	        var showVectorItems = (context.map().zoom() > 9 && detroit.contains(context.map().center()));
-
-	        var container = selection.selectAll('.vectortile-container')
-	            .data(showVectorItems ? [0] : []);
-
-	        container.exit()
-	            .remove();
-
-	        var containerEnter = container.enter()
-	            .append('div')
-	            .attr('class', 'vectortile-container');
-
-	        containerEnter
-	            .append('h4')
-	            .attr('class', 'vectortile-header')
-	            .text('Detroit Vector Tiles (Beta)');
-
-	        containerEnter
-	            .append('ul')
-	            .attr('class', 'layer-list layer-list-vectortile');
-
-	        containerEnter
-	            .append('div')
-	            .attr('class', 'vectortile-footer')
-	            .append('a')
-	            .attr('target', '_blank')
-	            .attr('tabindex', -1)
-	            .call(svgIcon('#iD-icon-out-link', 'inline'))
-	            .attr('href', 'https://github.com/osmus/detroit-mapping-challenge')
-	            .append('span')
-	            .text('About these layers');
-
-	        container = container
-	            .merge(containerEnter);
-
-
-	        var ul = container.selectAll('.layer-list-vectortile');
-
-	        var li = ul.selectAll('.list-item')
-	            .data(vtData);
-
-	        li.exit()
-	            .remove();
-
-	        var liEnter = li.enter()
-	            .append('li')
-	            .attr('class', function(d) { return 'list-item list-item-' + d.src; });
-
-	        var labelEnter = liEnter
-	            .append('label')
-	            .each(function(d) {
-	                select(this).call(
-	                    uiTooltip().title(d.tooltip).placement('top')
-	                );
-	            });
-
-	        labelEnter
-	            .append('input')
-	            .attr('type', 'radio')
-	            .attr('name', 'vectortile')
-	            .on('change', selectVTLayer);
-
-	        labelEnter
-	            .append('span')
-	            .text(function(d) { return d.name; });
-
-	        // Update
-	        li
-	            .merge(liEnter)
-	            .classed('active', isVTLayerSelected)
-	            .selectAll('input')
-	            .property('checked', isVTLayerSelected);
-
-
-	        function isVTLayerSelected(d) {
-	            return dataLayer && dataLayer.template() === d.template;
-	        }
-
-	        function selectVTLayer(d) {
-	            corePreferences('settings-custom-data-url', d.template);
-	            if (dataLayer) {
-	                dataLayer.template(d.template, d.src);
-	                dataLayer.enabled(true);
-	            }
-	        }
-	    }
-
-	    function drawCustomDataItems(selection) {
-	        var dataLayer = layers.layer('data');
-	        var hasData = dataLayer && dataLayer.hasData();
-	        var showsData = hasData && dataLayer.enabled();
-
-	        var ul = selection
-	            .selectAll('.layer-list-data')
-	            .data(dataLayer ? [0] : []);
-
-	        // Exit
-	        ul.exit()
-	            .remove();
-
-	        // Enter
-	        var ulEnter = ul.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-list-data');
-
-	        var liEnter = ulEnter
-	            .append('li')
-	            .attr('class', 'list-item-data');
-
-	        var labelEnter = liEnter
-	            .append('label')
-	            .call(uiTooltip()
-	                .title(_t('map_data.layers.custom.tooltip'))
-	                .placement('top')
-	            );
-
-	        labelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function() { toggleLayer('data'); });
-
-	        labelEnter
-	            .append('span')
-	            .text(_t('map_data.layers.custom.title'));
-
-	        liEnter
-	            .append('button')
-	            .call(uiTooltip()
-	                .title(_t('settings.custom_data.tooltip'))
-	                .placement((_mainLocalizer.textDirection() === 'rtl') ? 'right' : 'left')
-	            )
-	            .on('click', editCustom)
-	            .call(svgIcon('#iD-icon-more'));
-
-	        liEnter
-	            .append('button')
-	            .call(uiTooltip()
-	                .title(_t('map_data.layers.custom.zoom'))
-	                .placement((_mainLocalizer.textDirection() === 'rtl') ? 'right' : 'left')
-	            )
-	            .on('click', function() {
-	                event.preventDefault();
-	                event.stopPropagation();
-	                dataLayer.fitZoom();
-	            })
-	            .call(svgIcon('#iD-icon-framed-dot'));
-
-	        // Update
-	        ul = ul
-	            .merge(ulEnter);
-
-	        ul.selectAll('.list-item-data')
-	            .classed('active', showsData)
-	            .selectAll('label')
-	            .classed('deemphasize', !hasData)
-	            .selectAll('input')
-	            .property('disabled', !hasData)
-	            .property('checked', showsData);
-	    }
-
-	    function editCustom() {
-	        event.preventDefault();
-	        context.container()
-	            .call(settingsCustomData);
-	    }
-
-	    function customChanged(d) {
-	        var dataLayer = layers.layer('data');
-
-	        if (d && d.url) {
-	            dataLayer.url(d.url);
-	        } else if (d && d.fileList) {
-	            dataLayer.fileList(d.fileList);
-	        }
-	    }
-
-
-	    function drawPanelItems(selection) {
-
-	        var panelsListEnter = selection.selectAll('.md-extras-list')
-	            .data([0])
-	            .enter()
-	            .append('ul')
-	            .attr('class', 'layer-list md-extras-list');
-
-	        var historyPanelLabelEnter = panelsListEnter
-	            .append('li')
-	            .attr('class', 'history-panel-toggle-item')
-	            .append('label')
-	            .call(uiTooltip()
-	                .title(_t('map_data.history_panel.tooltip'))
-	                .keys([uiCmd('⌘⇧' + _t('info_panels.history.key'))])
-	                .placement('top')
-	            );
-
-	        historyPanelLabelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function() {
-	                event.preventDefault();
-	                context.ui().info.toggle('history');
-	            });
-
-	        historyPanelLabelEnter
-	            .append('span')
-	            .text(_t('map_data.history_panel.title'));
-
-	        var measurementPanelLabelEnter = panelsListEnter
-	            .append('li')
-	            .attr('class', 'measurement-panel-toggle-item')
-	            .append('label')
-	            .call(uiTooltip()
-	                .title(_t('map_data.measurement_panel.tooltip'))
-	                .keys([uiCmd('⌘⇧' + _t('info_panels.measurement.key'))])
-	                .placement('top')
-	            );
-
-	        measurementPanelLabelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function() {
-	                event.preventDefault();
-	                context.ui().info.toggle('measurement');
-	            });
-
-	        measurementPanelLabelEnter
-	            .append('span')
-	            .text(_t('map_data.measurement_panel.title'));
-	    }
-
-	    context.layers().on('change.uiSectionDataLayers', section.reRender);
-
-	    context.map()
-	        .on('move.uiSectionDataLayers',
-	            debounce(function() {
-	                // Detroit layers may have moved in or out of view
-	                window.requestIdleCallback(section.reRender);
-	            }, 1000)
-	        );
-
-	    return section;
-	}
-
-	function uiSectionMapFeatures(context) {
-
-	    var _features = context.features().keys();
-
-	    var section = uiSection('map-features', context)
-	        .title(_t('map_data.map_features'))
-	        .disclosureContent(renderDisclosureContent)
-	        .expandedByDefault(false);
-
-	    function renderDisclosureContent(selection) {
-
-	        var container = selection.selectAll('.layer-feature-list-container')
-	            .data([0]);
-
-	        var containerEnter = container.enter()
-	            .append('div')
-	            .attr('class', 'layer-feature-list-container');
-
-	        containerEnter
-	            .append('ul')
-	            .attr('class', 'layer-list layer-feature-list');
-
-	        var footer = containerEnter
-	            .append('div')
-	            .attr('class', 'feature-list-links section-footer');
-
-	        footer
-	            .append('a')
-	            .attr('class', 'feature-list-link')
-	            .attr('href', '#')
-	            .text(_t('issues.enable_all'))
-	            .on('click', function() {
-	                context.features().enableAll();
-	            });
-
-	        footer
-	            .append('a')
-	            .attr('class', 'feature-list-link')
-	            .attr('href', '#')
-	            .text(_t('issues.disable_all'))
-	            .on('click', function() {
-	                context.features().disableAll();
-	            });
-
-	        // Update
-	        container = container
-	            .merge(containerEnter);
-
-	        container.selectAll('.layer-feature-list')
-	            .call(drawListItems, _features, 'checkbox', 'feature', clickFeature, showsFeature);
-	    }
-
-	    function drawListItems(selection, data, type, name, change, active) {
-	        var items = selection.selectAll('li')
-	            .data(data);
-
-	        // Exit
-	        items.exit()
-	            .remove();
-
-	        // Enter
-	        var enter = items.enter()
-	            .append('li')
-	            .call(uiTooltip()
-	                .title(function(d) {
-	                    var tip = _t(name + '.' + d + '.tooltip');
-	                    if (autoHiddenFeature(d)) {
-	                        var msg = showsLayer('osm') ? _t('map_data.autohidden') : _t('map_data.osmhidden');
-	                        tip += '<div>' + msg + '</div>';
-	                    }
-	                    return tip;
-	                })
-	                .placement('top')
-	            );
-
-	        var label = enter
-	            .append('label');
-
-	        label
-	            .append('input')
-	            .attr('type', type)
-	            .attr('name', name)
-	            .on('change', change);
-
-	        label
-	            .append('span')
-	            .text(function(d) { return _t(name + '.' + d + '.description'); });
-
-	        // Update
-	        items = items
-	            .merge(enter);
-
-	        items
-	            .classed('active', active)
-	            .selectAll('input')
-	            .property('checked', active)
-	            .property('indeterminate', autoHiddenFeature);
-	    }
-
-	    function autoHiddenFeature(d) {
-	        return context.features().autoHidden(d);
-	    }
-
-	    function showsFeature(d) {
-	        return context.features().enabled(d);
-	    }
-
-	    function clickFeature(d) {
-	        context.features().toggle(d);
-	    }
-
-	    function showsLayer(id) {
-	        var layer = context.layers().layer(id);
-	        return layer && layer.enabled();
-	    }
-
-	    // add listeners
-	    context.features()
-	        .on('change.map_features', section.reRender);
-
-	    return section;
-	}
-
-	function uiSectionMapStyleOptions(context) {
-
-	    var section = uiSection('fill-area', context)
-	        .title(_t('map_data.style_options'))
-	        .disclosureContent(renderDisclosureContent)
-	        .expandedByDefault(false);
-
-	    function renderDisclosureContent(selection) {
-	        var container = selection.selectAll('.layer-fill-list')
-	            .data([0]);
-
-	        container.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-fill-list')
-	            .merge(container)
-	            .call(drawListItems, context.map().areaFillOptions, 'radio', 'area_fill', setFill, isActiveFill);
-
-	        var container2 = selection.selectAll('.layer-visual-diff-list')
-	            .data([0]);
-
-	        container2.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-visual-diff-list')
-	            .merge(container2)
-	            .call(drawListItems, ['highlight_edits'], 'checkbox', 'visual_diff', toggleHighlightEdited, function() {
-	                return context.surface().classed('highlight-edited');
-	            });
-	    }
-
-	    function drawListItems(selection, data, type, name, change, active) {
-	        var items = selection.selectAll('li')
-	            .data(data);
-
-	        // Exit
-	        items.exit()
-	            .remove();
-
-	        // Enter
-	        var enter = items.enter()
-	            .append('li')
-	            .call(uiTooltip()
-	                .title(function(d) {
-	                    return _t(name + '.' + d + '.tooltip');
-	                })
-	                .keys(function(d) {
-	                    var key = (d === 'wireframe' ? _t('area_fill.wireframe.key') : null);
-	                    if (d === 'highlight_edits') key = _t('map_data.highlight_edits.key');
-	                    return key ? [key] : null;
-	                })
-	                .placement('top')
-	            );
-
-	        var label = enter
-	            .append('label');
-
-	        label
-	            .append('input')
-	            .attr('type', type)
-	            .attr('name', name)
-	            .on('change', change);
-
-	        label
-	            .append('span')
-	            .text(function(d) { return _t(name + '.' + d + '.description'); });
-
-	        // Update
-	        items = items
-	            .merge(enter);
-
-	        items
-	            .classed('active', active)
-	            .selectAll('input')
-	            .property('checked', active)
-	            .property('indeterminate', false);
-	    }
-
-	    function isActiveFill(d) {
-	        return context.map().activeAreaFill() === d;
-	    }
-
-	    function toggleHighlightEdited() {
-	        event.preventDefault();
-	        context.map().toggleHighlightEdited();
-	    }
-
-	    function setFill(d) {
-	        context.map().activeAreaFill(d);
-	    }
-
-	    context.map()
-	        .on('changeHighlighting.ui_style, changeAreaFill.ui_style', section.reRender);
-
-	    return section;
-	}
-
-	function uiSectionPhotoOverlays(context) {
-
-	    var layers = context.layers();
-
-	    var section = uiSection('photo-overlays', context)
-	        .title(_t('photo_overlays.title'))
-	        .disclosureContent(renderDisclosureContent)
-	        .expandedByDefault(false);
-
-	    function renderDisclosureContent(selection) {
-	        var container = selection.selectAll('.photo-overlay-container')
-	            .data([0]);
-
-	        container.enter()
-	            .append('div')
-	            .attr('class', 'photo-overlay-container')
-	            .merge(container)
-	            .call(drawPhotoItems)
-	            .call(drawPhotoTypeItems);
-	    }
-
-	    function drawPhotoItems(selection) {
-	        var photoKeys = context.photos().overlayLayerIDs();
-	        var photoLayers = layers.all().filter(function(obj) { return photoKeys.indexOf(obj.id) !== -1; });
-	        var data = photoLayers.filter(function(obj) { return obj.layer.supported(); });
-
-	        function layerSupported(d) {
-	            return d.layer && d.layer.supported();
-	        }
-	        function layerEnabled(d) {
-	            return layerSupported(d) && d.layer.enabled();
-	        }
-
-	        var ul = selection
-	            .selectAll('.layer-list-photos')
-	            .data([0]);
-
-	        ul = ul.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-list-photos')
-	            .merge(ul);
-
-	        var li = ul.selectAll('.list-item-photos')
-	            .data(data);
-
-	        li.exit()
-	            .remove();
-
-	        var liEnter = li.enter()
-	            .append('li')
-	            .attr('class', function(d) {
-	                var classes = 'list-item-photos list-item-' + d.id;
-	                if (d.id === 'mapillary-signs' || d.id === 'mapillary-map-features') {
-	                    classes += ' indented';
-	                }
-	                return classes;
-	            });
-
-	        var labelEnter = liEnter
-	            .append('label')
-	            .each(function(d) {
-	                var titleID;
-	                if (d.id === 'mapillary-signs') titleID = 'mapillary.signs.tooltip';
-	                else if (d.id === 'mapillary') titleID = 'mapillary_images.tooltip';
-	                else if (d.id === 'openstreetcam') titleID = 'openstreetcam_images.tooltip';
-	                else titleID = d.id.replace(/-/g, '_') + '.tooltip';
-	                select(this)
-	                    .call(uiTooltip()
-	                        .title(_t(titleID))
-	                        .placement('top')
-	                    );
-	            });
-
-	        labelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function(d) { toggleLayer(d.id); });
-
-	        labelEnter
-	            .append('span')
-	            .text(function(d) {
-	                var id = d.id;
-	                if (id === 'mapillary-signs') id = 'photo_overlays.traffic_signs';
-	                return _t(id.replace(/-/g, '_') + '.title');
-	            });
-
-
-	        // Update
-	        li
-	            .merge(liEnter)
-	            .classed('active', layerEnabled)
-	            .selectAll('input')
-	            .property('checked', layerEnabled);
-	    }
-
-	    function drawPhotoTypeItems(selection) {
-	        var data = context.photos().allPhotoTypes();
-
-	        function typeEnabled(d) {
-	            return context.photos().showsPhotoType(d);
-	        }
-
-	        var ul = selection
-	            .selectAll('.layer-list-photo-types')
-	            .data(context.photos().shouldFilterByPhotoType() ? [0] : []);
-
-	        ul.exit()
-	            .remove();
-
-	        ul = ul.enter()
-	            .append('ul')
-	            .attr('class', 'layer-list layer-list-photo-types')
-	            .merge(ul);
-
-	        var li = ul.selectAll('.list-item-photo-types')
-	            .data(data);
-
-	        li.exit()
-	            .remove();
-
-	        var liEnter = li.enter()
-	            .append('li')
-	            .attr('class', function(d) {
-	                return 'list-item-photo-types list-item-' + d;
-	            });
-
-	        var labelEnter = liEnter
-	            .append('label')
-	            .each(function(d) {
-	                select(this)
-	                    .call(uiTooltip()
-	                        .title(_t('photo_overlays.photo_type.' + d + '.tooltip'))
-	                        .placement('top')
-	                    );
-	            });
-
-	        labelEnter
-	            .append('input')
-	            .attr('type', 'checkbox')
-	            .on('change', function(d) {
-	                context.photos().togglePhotoType(d);
-	            });
-
-	        labelEnter
-	            .append('span')
-	            .text(function(d) {
-	                return _t('photo_overlays.photo_type.' + d + '.title');
-	            });
-
-
-	        // Update
-	        li
-	            .merge(liEnter)
-	            .classed('active', typeEnabled)
-	            .selectAll('input')
-	            .property('checked', typeEnabled);
-	    }
-
-	    function toggleLayer(which) {
-	        setLayer(which, !showsLayer(which));
-	    }
-
-	    function showsLayer(which) {
-	        var layer = layers.layer(which);
-	        if (layer) {
-	            return layer.enabled();
-	        }
-	        return false;
-	    }
-
-	    function setLayer(which, enabled) {
-	        var layer = layers.layer(which);
-	        if (layer) {
-	            layer.enabled(enabled);
-	        }
-	    }
-
-	    context.layers().on('change.uiSectionPhotoOverlays', section.reRender);
-	    context.photos().on('change.uiSectionPhotoOverlays', section.reRender);
-
-	    return section;
-	}
-
-	function uiPaneMapData(context) {
-
-	    var mapDataPane = uiPane('map-data', context)
-	        .key(_t('map_data.key'))
-	        .title(_t('map_data.title'))
-	        .description(_t('map_data.description'))
-	        .iconName('iD-icon-data')
-	        .sections([
-	            uiSectionDataLayers(context),
-	            uiSectionPhotoOverlays(context),
-	            uiSectionMapStyleOptions(context),
-	            uiSectionMapFeatures(context)
-	        ]);
-
-	    return mapDataPane;
-	}
-
-	function uiSectionPrivacy(context) {
-
-	    let section = uiSection('preferences-third-party', context)
-	      .title(_t('preferences.privacy.title'))
-	      .disclosureContent(renderDisclosureContent);
-
-	    let _showThirdPartyIcons = corePreferences('preferences.privacy.thirdpartyicons') || 'true';
-
-	    function renderDisclosureContent(selection) {
-	      // enter
-	      let privacyOptionsListEnter = selection.selectAll('.privacy-options-list')
-	        .data([0])
-	        .enter()
-	        .append('ul')
-	        .attr('class', 'layer-list privacy-options-list');
-
-	      let thirdPartyIconsEnter = privacyOptionsListEnter
-	        .append('li')
-	        .attr('class', 'privacy-third-party-icons-item')
-	        .append('label')
-	        .call(uiTooltip()
-	          .title(_t('preferences.privacy.third_party_icons.tooltip'))
-	          .placement('bottom')
-	        );
-
-	      thirdPartyIconsEnter
-	        .append('input')
-	        .attr('type', 'checkbox')
-	        .on('change', () => {
-	          event.preventDefault();
-	          _showThirdPartyIcons = (_showThirdPartyIcons === 'true') ? 'false' : 'true';
-	          corePreferences('preferences.privacy.thirdpartyicons', _showThirdPartyIcons);
-	          update();
-	        });
-
-	      thirdPartyIconsEnter
-	        .append('span')
-	        .text(_t('preferences.privacy.third_party_icons.description'));
-
-
-	      // Privacy Policy link
-	      selection.selectAll('.privacy-link')
-	        .data([0])
-	        .enter()
-	        .append('div')
-	        .attr('class', 'privacy-link')
-	        .append('a')
-	        .attr('target', '_blank')
-	        .call(svgIcon('#iD-icon-out-link', 'inline'))
-	        .attr('href', 'https://github.com/openstreetmap/iD/blob/release/PRIVACY.md')
-	        .append('span')
-	        .text(_t('preferences.privacy.privacy_link'));
-
-	      update();
-
-
-	      function update() {
-	        selection.selectAll('.privacy-third-party-icons-item')
-	          .classed('active', (_showThirdPartyIcons === 'true'))
-	          .select('input')
-	          .property('checked', (_showThirdPartyIcons === 'true'));
-	      }
-	    }
-
-	    return section;
-	}
-
-	function uiPanePreferences(context) {
-
-	  let preferencesPane = uiPane('preferences', context)
-	    .key(_t('preferences.key'))
-	    .title(_t('preferences.title'))
-	    .description(_t('preferences.description'))
-	    .iconName('fas-user-cog')
-	    .sections([
-	        uiSectionPrivacy(context)
-	    ]);
-
-	  return preferencesPane;
-	}
-
-	function uiInit(context) {
-	    var _initCounter = 0;
-	    var _needWidth = {};
-
-	    var _lastPointerType;
-
-
-	    function render(container) {
-
-	        container
-	            .on('click.ui', function() {
-	                // we're only concerned with the primary mouse button
-	                if (event.button !== 0) return;
-
-	                if (!event.composedPath) return;
-
-	                // some targets have default click events we don't want to override
-	                var isOkayTarget = event.composedPath().some(function(node) {
-	                    // clicking <label> affects its <input> by default
-	                    return node.nodeName === 'LABEL' ||
-	                        // clicking <a> opens a hyperlink by default
-	                        node.nodeName === 'A';
-	                });
-	                if (isOkayTarget) return;
-
-	                // disable double-tap-to-zoom on touchscreens
-	                event.preventDefault();
-	            });
-
-	        var detected = utilDetect();
-
-	        // only WebKit supports gesture events
-	        if ('GestureEvent' in window &&
-	            // Listening for gesture events on iOS 13.4+ breaks double-tapping,
-	            // but we only need to do this on desktop Safari anyway. – #7694
-	            !detected.isMobileWebKit) {
-
-	            // On iOS we disable pinch-to-zoom of the UI via the `touch-action`
-	            // CSS property, but on desktop Safari we need to manually cancel the
-	            // default gesture events.
-	            container.on('gesturestart.ui gesturechange.ui gestureend.ui', function() {
-	                // disable pinch-to-zoom of the UI via multitouch trackpads on macOS Safari
-	                event.preventDefault();
-	            });
-	        }
-
-	        if ('PointerEvent' in window) {
-	            select(window)
-	                .on('pointerdown.ui pointerup.ui', function() {
-	                    var pointerType = event.pointerType || 'mouse';
-	                    if (_lastPointerType !== pointerType) {
-	                        _lastPointerType = pointerType;
-	                        container
-	                            .attr('pointer', pointerType);
-	                    }
-	                }, true);
-	        } else {
-	            _lastPointerType = 'mouse';
-	            container
-	                .attr('pointer', 'mouse');
-	        }
-
-	        container
-	            .attr('dir', _mainLocalizer.textDirection());
-
-	        // setup fullscreen keybindings (no button shown at this time)
-	        container
-	            .call(uiFullScreen(context));
-
-	        var map = context.map();
-	        map.redrawEnable(false);  // don't draw until we've set zoom/lat/long
-
-	        map
-	            .on('hitMinZoom.ui', function() {
-	                ui.flash.text(_t('cannot_zoom'))();
-	            });
-
-	        container
-	            .append('svg')
-	            .attr('id', 'ideditor-defs')
-	            .call(svgDefs(context));
-
-	        container
-	            .append('div')
-	            .attr('class', 'sidebar')
-	            .call(ui.sidebar);
-
-	        var content = container
-	            .append('div')
-	            .attr('class', 'main-content active');
-
-	        // Top toolbar
-	        content
-	            .append('div')
-	            .attr('class', 'top-toolbar-wrap')
-	            .append('div')
-	            .attr('class', 'top-toolbar fillD')
-	            .call(uiTopToolbar(context));
-
-	        content
-	            .append('div')
-	            .attr('class', 'main-map')
-	            .attr('dir', 'ltr')
-	            .call(map);
-
-	        content
-	            .append('div')
-	            .attr('class', 'spinner')
-	            .call(uiSpinner(context));
-
-	        // Add attribution and footer
-	        var about = content
-	            .append('div')
-	            .attr('class', 'map-footer');
-
-	        about
-	            .append('div')
-	            .attr('class', 'attribution-wrap')
-	            .attr('dir', 'ltr')
-	            .call(uiAttribution(context));
-
-	        about
-	            .append('div')
-	            .attr('class', 'api-status')
-	            .call(uiStatus(context));
-
-
-	        var footer = about
-	            .append('div')
-	            .attr('class', 'map-footer-bar fillD');
-
-	        footer
-	            .append('div')
-	            .attr('class', 'flash-wrap footer-hide');
-
-	        var footerWrap = footer
-	            .append('div')
-	            .attr('class', 'main-footer-wrap footer-show');
-
-	        footerWrap
-	            .append('div')
-	            .attr('class', 'scale-block')
-	            .call(uiScale(context));
-
-	        var aboutList = footerWrap
-	            .append('div')
-	            .attr('class', 'info-block')
-	            .append('ul')
-	            .attr('class', 'map-footer-list');
-
-	        if (!context.embed()) {
-	            aboutList
-	                .call(uiAccount(context));
-	        }
-
-	        aboutList
-	            .append('li')
-	            .attr('class', 'version')
-	            .call(uiVersion(context));
-
-	        var issueLinks = aboutList
-	            .append('li');
-
-	        issueLinks
-	            .append('a')
-	            .attr('target', '_blank')
-	            .attr('href', 'https://github.com/openstreetmap/iD/issues')
-	            .call(svgIcon('#iD-icon-bug', 'light'))
-	            .call(uiTooltip().title(_t('report_a_bug')).placement('top'));
-
-	        issueLinks
-	            .append('a')
-	            .attr('target', '_blank')
-	            .attr('href', 'https://github.com/openstreetmap/iD/blob/develop/CONTRIBUTING.md#translating')
-	            .call(svgIcon('#iD-icon-translate', 'light'))
-	            .call(uiTooltip().title(_t('help_translate')).placement('top'));
-
-	        aboutList
-	            .append('li')
-	            .attr('class', 'feature-warning')
-	            .attr('tabindex', -1)
-	            .call(uiFeatureInfo(context));
-
-	        aboutList
-	            .append('li')
-	            .attr('class', 'issues-info')
-	            .attr('tabindex', -1)
-	            .call(uiIssuesInfo(context));
-
-	        var apiConnections = context.apiConnections();
-	        if (apiConnections && apiConnections.length > 1) {
-	            aboutList
-	                .append('li')
-	                .attr('class', 'source-switch')
-	                .attr('tabindex', -1)
-	                .call(uiSourceSwitch(context)
-	                    .keys(apiConnections)
-	                );
-	        }
-
-	        aboutList
-	            .append('li')
-	            .attr('class', 'user-list')
-	            .attr('tabindex', -1)
-	            .call(uiContributors(context));
-
-
-	        // Setup map dimensions and move map to initial center/zoom.
-	        // This should happen after .main-content and toolbars exist.
-	        ui.onResize();
-	        map.redrawEnable(true);
-
-	        ui.hash = behaviorHash(context);
-	        ui.hash();
-	        if (!ui.hash.hadHash) {
-	            map.centerZoom([0, 0], 2);
-	        }
-
-
-	        var overMap = content
-	            .append('div')
-	            .attr('class', 'over-map');
-
-	        // Map controls
-	        var controls = overMap
-	            .append('div')
-	            .attr('class', 'map-controls');
-
-	        controls
-	            .append('div')
-	            .attr('class', 'map-control zoombuttons')
-	            .call(uiZoom(context));
-
-	        controls
-	            .append('div')
-	            .attr('class', 'map-control zoom-to-selection-control')
-	            .call(uiZoomToSelection(context));
-
-	        controls
-	            .append('div')
-	            .attr('class', 'map-control geolocate-control')
-	            .call(uiGeolocate(context));
-
-	        // Add panes
-	        // This should happen after map is initialized, as some require surface()
-	        var panes = overMap
-	            .append('div')
-	            .attr('class', 'map-panes');
-
-	        var uiPanes = [
-	            uiPaneBackground(context),
-	            uiPaneMapData(context),
-	            uiPaneIssues(context),
-	            uiPanePreferences(context),
-	            uiPaneHelp(context)
-	        ];
-
-	        uiPanes.forEach(function(pane) {
-	            controls
-	                .append('div')
-	                .attr('class', 'map-control map-pane-control ' + pane.id + '-control')
-	                .call(pane.renderToggleButton);
-
-	            panes
-	                .call(pane.renderPane);
-	        });
-
-	        ui.info = uiInfo(context);
-
-	        // Add absolutely-positioned elements that sit on top of the map
-	        // This should happen after the map is ready (center/zoom)
-	        overMap
-	            .call(uiMapInMap(context))
-	            .call(ui.info)
-	            .call(uiNotice(context));
-
-
-	        overMap
-	            .append('div')
-	            .attr('class', 'photoviewer')
-	            .classed('al', true)       // 'al'=left,  'ar'=right
-	            .classed('hide', true)
-	            .call(ui.photoviewer);
-
-
-	        // Bind events
-	        window.onbeforeunload = function() {
-	            return context.save();
-	        };
-	        window.onunload = function() {
-	            context.history().unlock();
-	        };
-
-	        select(window)
-	            .on('resize.editor', ui.onResize);
-
-
-	        var panPixels = 80;
-	        context.keybinding()
-	            .on('⌫', function() { event.preventDefault(); })
-	            .on([_t('sidebar.key'), '`', '²', '@'], ui.sidebar.toggle)   // #5663, #6864 - common QWERTY, AZERTY
-	            .on('←', pan([panPixels, 0]))
-	            .on('↑', pan([0, panPixels]))
-	            .on('→', pan([-panPixels, 0]))
-	            .on('↓', pan([0, -panPixels]))
-	            .on(uiCmd('⌘←'), pan([map.dimensions()[0], 0]))
-	            .on(uiCmd('⌘↑'), pan([0, map.dimensions()[1]]))
-	            .on(uiCmd('⌘→'), pan([-map.dimensions()[0], 0]))
-	            .on(uiCmd('⌘↓'), pan([0, -map.dimensions()[1]]))
-	            .on(uiCmd('⌘' + _t('background.key')), function quickSwitch() {
-	                if (event) {
-	                    event.stopImmediatePropagation();
-	                    event.preventDefault();
-	                }
-	                var previousBackground = context.background().findSource(corePreferences('background-last-used-toggle'));
-	                if (previousBackground) {
-	                    var currentBackground = context.background().baseLayerSource();
-	                    corePreferences('background-last-used-toggle', currentBackground.id);
-	                    corePreferences('background-last-used', previousBackground.id);
-	                    context.background().baseLayerSource(previousBackground);
-	                }
-	            })
-	            .on(_t('area_fill.wireframe.key'), function toggleWireframe() {
-	                event.preventDefault();
-	                event.stopPropagation();
-	                context.map().toggleWireframe();
-	            })
-	            .on(uiCmd('⌥' + _t('area_fill.wireframe.key')), function toggleOsmData() {
-	                event.preventDefault();
-	                event.stopPropagation();
-
-	                // Don't allow layer changes while drawing - #6584
-	                var mode = context.mode();
-	                if (mode && /^draw/.test(mode.id)) return;
-
-	                var layer = context.layers().layer('osm');
-	                if (layer) {
-	                    layer.enabled(!layer.enabled());
-	                    if (!layer.enabled()) {
-	                        context.enter(modeBrowse(context));
-	                    }
-	                }
-	            })
-	            .on(_t('map_data.highlight_edits.key'), function toggleHighlightEdited() {
-	                event.preventDefault();
-	                context.map().toggleHighlightEdited();
-	            });
-
-	        context
-	            .on('enter.editor', function(entered) {
-	                container
-	                    .classed('mode-' + entered.id, true);
-	            })
-	            .on('exit.editor', function(exited) {
-	                container
-	                    .classed('mode-' + exited.id, false);
-	            });
-
-	        context.enter(modeBrowse(context));
-
-	        if (!_initCounter++) {
-	            if (!ui.hash.startWalkthrough) {
-	                context.container()
-	                    .call(uiSplash(context))
-	                    .call(uiRestore(context));
-	            }
-
-	            context.container()
-	                .call(uiShortcuts(context));
-	        }
-
-	        var osm = context.connection();
-	        var auth = uiLoading(context).message(_t('loading_auth')).blocking(true);
-
-	        if (osm && auth) {
-	            osm
-	                .on('authLoading.ui', function() {
-	                    context.container()
-	                        .call(auth);
-	                })
-	                .on('authDone.ui', function() {
-	                    auth.close();
-	                });
-	        }
-
-	        _initCounter++;
-
-	        if (ui.hash.startWalkthrough) {
-	            ui.hash.startWalkthrough = false;
-	            context.container().call(uiIntro(context));
-	        }
-
-
-	        function pan(d) {
-	            return function() {
-	                if (event.shiftKey) return;
-	                if (context.container().select('.combobox').size()) return;
-	                event.preventDefault();
-	                context.map().pan(d, 100);
-	            };
-	        }
-
-	    }
-
-
-	    let ui = {};
-
-	    let _loadPromise;
-	    // renders the iD interface into the container node
-	    ui.ensureLoaded = () => {
-
-	        if (_loadPromise) return _loadPromise;
-
-	        return _loadPromise = Promise.all([
-	                // must have strings and presets before loading the UI
-	                _mainLocalizer.ensureLoaded(),
-	                _mainPresetIndex.ensureLoaded()
-	            ])
-	            .then(() => {
-	                if (!context.container().empty()) render(context.container());
-	            })
-	            .catch(err => console.error(err));  // eslint-disable-line
-	    };
-
-
-	    // `ui.restart()` will destroy and rebuild the entire iD interface,
-	    // for example to switch the locale while iD is running.
-	    ui.restart = function() {
-	        context.keybinding().clear();
-
-	        _loadPromise = null;
-
-	        context.container().selectAll('*').remove();
-
-	        ui.ensureLoaded();
-	    };
-
-	    ui.lastPointerType = function() {
-	        return _lastPointerType;
-	    };
-
-	    ui.flash = uiFlash(context);
-
-	    ui.sidebar = uiSidebar(context);
-
-	    ui.photoviewer = uiPhotoviewer(context);
-
-	    ui.onResize = function(withPan) {
-	        var map = context.map();
-
-	        // Recalc dimensions of map and sidebar.. (`true` = force recalc)
-	        // This will call `getBoundingClientRect` and trigger reflow,
-	        //  but the values will be cached for later use.
-	        var mapDimensions = utilGetDimensions(context.container().select('.main-content'), true);
-	        utilGetDimensions(context.container().select('.sidebar'), true);
-
-	        if (withPan !== undefined) {
-	            map.redrawEnable(false);
-	            map.pan(withPan);
-	            map.redrawEnable(true);
-	        }
-	        map.dimensions(mapDimensions);
-
-	        ui.photoviewer.onMapResize();
-
-	        // check if header or footer have overflowed
-	        ui.checkOverflow('.top-toolbar');
-	        ui.checkOverflow('.map-footer-bar');
-
-	        // Use outdated code so it works on Explorer
-	        var resizeWindowEvent = document.createEvent('Event');
-
-	        resizeWindowEvent.initEvent('resizeWindow', true, true);
-
-	        document.dispatchEvent(resizeWindowEvent);
-	    };
-
-
-	    // Call checkOverflow when resizing or whenever the contents change.
-	    ui.checkOverflow = function(selector, reset) {
-	        if (reset) {
-	            delete _needWidth[selector];
-	        }
-
-	        var element = select(selector);
-	        var scrollWidth = element.property('scrollWidth');
-	        var clientWidth = element.property('clientWidth');
-	        var needed = _needWidth[selector] || scrollWidth;
-
-	        if (scrollWidth > clientWidth) {    // overflow happening
-	            element.classed('narrow', true);
-	            if (!_needWidth[selector]) {
-	                _needWidth[selector] = scrollWidth;
-	            }
-
-	        } else if (scrollWidth >= needed) {
-	            element.classed('narrow', false);
-	        }
-	    };
-
-	    ui.togglePanes = function(showPane) {
-	        var shownPanes = context.container().selectAll('.map-pane.shown');
-
-	        var side = _mainLocalizer.textDirection() === 'ltr' ? 'right' : 'left';
-
-	        shownPanes
-	            .classed('shown', false);
-
-	        context.container().selectAll('.map-pane-control button')
-	            .classed('active', false);
-
-	        if (showPane) {
-	            shownPanes
-	                .style('display', 'none')
-	                .style(side, '-500px');
-
-	            context.container().selectAll('.' + showPane.attr('pane') + '-control button')
-	                .classed('active', true);
-
-	            showPane
-	                .classed('shown', true)
-	                .style('display', 'block');
-	            if (shownPanes.empty()) {
-	                showPane
-	                    .style('display', 'block')
-	                    .style(side, '-500px')
-	                    .transition()
-	                    .duration(200)
-	                    .style(side, '0px');
-	            } else {
-	                showPane
-	                    .style(side, '0px');
-	            }
-	        } else {
-	            shownPanes
-	                .style('display', 'block')
-	                .style(side, '0px')
-	                .transition()
-	                .duration(200)
-	                .style(side, '-500px')
-	                .on('end', function() {
-	                    select(this).style('display', 'none');
-	                });
-	        }
-	    };
-
-
-	    var _editMenu = uiEditMenu(context);
-
-	    ui.editMenu = function() {
-	        return _editMenu;
-	    };
-
-	    ui.showEditMenu = function(anchorPoint, triggerType, operations) {
-
-	        // remove any displayed menu
-	        ui.closeEditMenu();
-
-	        if (!operations && context.mode().operations) operations = context.mode().operations();
-	        if (!operations || !operations.length) return;
-
-	        // disable menu if in wide selection, for example
-	        if (!context.map().editableDataEnabled()) return;
-
-	        var surfaceNode = context.surface().node();
-	        if (surfaceNode.focus) {   // FF doesn't support it
-	            // focus the surface or else clicking off the menu may not trigger modeBrowse
-	            surfaceNode.focus();
-	        }
-
-	        operations.forEach(function(operation) {
-	            if (operation.point) operation.point(anchorPoint);
-	        });
-
-	        _editMenu
-	            .anchorLoc(anchorPoint)
-	            .triggerType(triggerType)
-	            .operations(operations);
-
-	        // render the menu
-	        context.map().supersurface.call(_editMenu);
-	    };
-
-	    ui.closeEditMenu = function() {
-	        // remove any existing menu no matter how it was added
-	        context.map().supersurface
-	            .select('.edit-menu').remove();
-	    };
-
-
-	    var _saveLoading = select(null);
-
-	    context.uploader()
-	        .on('saveStarted.ui', function() {
-	            _saveLoading = uiLoading(context)
-	                .message(_t('save.uploading'))
-	                .blocking(true);
-	            context.container().call(_saveLoading);  // block input during upload
-	        })
-	        .on('saveEnded.ui', function() {
-	            _saveLoading.close();
-	            _saveLoading = select(null);
-	        });
-
-	    return ui;
-	}
-
-	function coreContext() {
-	  const dispatch$1 = dispatch('enter', 'exit', 'change');
-	  let context = utilRebind({}, dispatch$1, 'on');
-	  let _deferred = new Set();
-
-	  context.version = '2.18.0';
-	  context.privacyVersion = '20200407';
-
-	  // iD will alter the hash so cache the parameters intended to setup the session
-	  context.initialHashParams = window.location.hash ? utilStringQs(window.location.hash) : {};
-
-	  context.isFirstSession = !corePreferences('sawSplash') && !corePreferences('sawPrivacyVersion');
-
-
-	  /* Changeset */
-	  // An osmChangeset object. Not loaded until needed.
-	  context.changeset = null;
-
-	  let _defaultChangesetComment = context.initialHashParams.comment;
-	  let _defaultChangesetSource = context.initialHashParams.source;
-	  let _defaultChangesetHashtags = context.initialHashParams.hashtags;
-	  context.defaultChangesetComment = function(val) {
-	    if (!arguments.length) return _defaultChangesetComment;
-	    _defaultChangesetComment = val;
-	    return context;
-	  };
-	  context.defaultChangesetSource = function(val) {
-	    if (!arguments.length) return _defaultChangesetSource;
-	    _defaultChangesetSource = val;
-	    return context;
-	  };
-	  context.defaultChangesetHashtags = function(val) {
-	    if (!arguments.length) return _defaultChangesetHashtags;
-	    _defaultChangesetHashtags = val;
-	    return context;
-	  };
-
-	  /* Document title */
-	  /* (typically shown as the label for the browser window/tab) */
-
-	  // If true, iD will update the title based on what the user is doing
-	  let _setsDocumentTitle = true;
-	  context.setsDocumentTitle = function(val) {
-	    if (!arguments.length) return _setsDocumentTitle;
-	    _setsDocumentTitle = val;
-	    return context;
-	  };
-	  // The part of the title that is always the same
-	  let _documentTitleBase = document.title;
-	  context.documentTitleBase = function(val) {
-	    if (!arguments.length) return _documentTitleBase;
-	    _documentTitleBase = val;
-	    return context;
-	  };
-
-
-	  /* User interface and keybinding */
-	  let _ui;
-	  context.ui = () => _ui;
-	  context.lastPointerType = () => _ui.lastPointerType();
-
-	  let _keybinding = utilKeybinding('context');
-	  context.keybinding = () => _keybinding;
-	  select(document).call(_keybinding);
-
-
-	  /* Straight accessors. Avoid using these if you can. */
-	  let _connection;
-	  let _history;
-	  let _validator;
-	  let _uploader;
-	  context.connection = () => _connection;
-	  context.history = () => _history;
-	  context.validator = () => _validator;
-	  context.uploader = () => _uploader;
-
-	  /* Connection */
-	  context.preauth = (options) => {
-	    if (_connection) {
-	      _connection.switch(options);
-	    }
-	    return context;
-	  };
-
-	  /* connection options for source switcher (optional) */
-	  let _apiConnections;
-	  context.apiConnections = function(val) {
-	    if (!arguments.length) return _apiConnections;
-	    _apiConnections = val;
-	    return context;
-	  };
-
-
-	  function afterLoad(cid, callback) {
-	    return (err, result) => {
-	      if (err) {
-	        // 400 Bad Request, 401 Unauthorized, 403 Forbidden..
-	        if (err.status === 400 || err.status === 401 || err.status === 403) {
-	          if (_connection) {
-	            _connection.logout();
-	          }
-	        }
-	        if (typeof callback === 'function') {
-	          callback(err);
-	        }
-	        return;
-
-	      } else if (_connection && _connection.getConnectionId() !== cid) {
-	        if (typeof callback === 'function') {
-	          callback({ message: 'Connection Switched', status: -1 });
-	        }
-	        return;
-
-	      } else {
-	        _history.merge(result.data, result.extent);
-	        if (typeof callback === 'function') {
-	          callback(err, result);
-	        }
-	        return;
-	      }
-	    };
-	  }
-
-
-	  context.loadTiles = (projection, callback) => {
-	    const handle = window.requestIdleCallback(() => {
-	      _deferred.delete(handle);
-	      if (_connection && context.editableDataEnabled()) {
-	        const cid = _connection.getConnectionId();
-	        _connection.loadTiles(projection, afterLoad(cid, callback));
-	      }
-	    });
-	    _deferred.add(handle);
-	  };
-
-	  context.loadTileAtLoc = (loc, callback) => {
-	    const handle = window.requestIdleCallback(() => {
-	      _deferred.delete(handle);
-	      if (_connection && context.editableDataEnabled()) {
-	        const cid = _connection.getConnectionId();
-	        _connection.loadTileAtLoc(loc, afterLoad(cid, callback));
-	      }
-	    });
-	    _deferred.add(handle);
-	  };
-
-	  context.loadEntity = (entityID, callback) => {
-	    if (_connection) {
-	      const cid = _connection.getConnectionId();
-	      _connection.loadEntity(entityID, afterLoad(cid, callback));
-	    }
-	  };
-
-	  context.zoomToEntity = (entityID, zoomTo) => {
-	    if (zoomTo !== false) {
-	      context.loadEntity(entityID, (err, result) => {
-	        if (err) return;
-	        const entity = result.data.find(e => e.id === entityID);
-	        if (entity) {
-	          _map.zoomTo(entity);
-	        }
-	      });
-	    }
-
-	    _map.on('drawn.zoomToEntity', () => {
-	      if (!context.hasEntity(entityID)) return;
-	      _map.on('drawn.zoomToEntity', null);
-	      context.on('enter.zoomToEntity', null);
-	      context.enter(modeSelect(context, [entityID]));
-	    });
-
-	    context.on('enter.zoomToEntity', () => {
-	      if (_mode.id !== 'browse') {
-	        _map.on('drawn.zoomToEntity', null);
-	        context.on('enter.zoomToEntity', null);
-	      }
-	    });
-	  };
-
-	  let _minEditableZoom = 16;
-	  context.minEditableZoom = function(val) {
-	    if (!arguments.length) return _minEditableZoom;
-	    _minEditableZoom = val;
-	    if (_connection) {
-	      _connection.tileZoom(val);
-	    }
-	    return context;
-	  };
-
-	  // String length limits in Unicode characters, not JavaScript UTF-16 code units
-	  context.maxCharsForTagKey = () => 255;
-	  context.maxCharsForTagValue = () => 255;
-	  context.maxCharsForRelationRole = () => 255;
-
-	  function cleanOsmString(val, maxChars) {
-	    // be lenient with input
-	    if (val === undefined || val === null) {
-	      val = '';
-	    } else {
-	      val = val.toString();
-	    }
-
-	    // remove whitespace
-	    val = val.trim();
-
-	    // use the canonical form of the string
-	    if (val.normalize) val = val.normalize('NFC');
-
-	    // trim to the number of allowed characters
-	    return utilUnicodeCharsTruncated(val, maxChars);
-	  }
-	  context.cleanTagKey = (val) => cleanOsmString(val, context.maxCharsForTagKey());
-	  context.cleanTagValue = (val) => cleanOsmString(val, context.maxCharsForTagValue());
-	  context.cleanRelationRole = (val) => cleanOsmString(val, context.maxCharsForRelationRole());
-
-
-	  /* History */
-	  let _inIntro = false;
-	  context.inIntro = function(val) {
-	    if (!arguments.length) return _inIntro;
-	    _inIntro = val;
-	    return context;
-	  };
-
-	  // Immediately save the user's history to localstorage, if possible
-	  // This is called someteimes, but also on the `window.onbeforeunload` handler
-	  context.save = () => {
-	    // no history save, no message onbeforeunload
-	    if (_inIntro || context.container().select('.modal').size()) return;
-
-	    let canSave;
-	    if (_mode && _mode.id === 'save') {
-	      canSave = false;
-
-	      // Attempt to prevent user from creating duplicate changes - see #5200
-	      if (services.osm && services.osm.isChangesetInflight()) {
-	        _history.clearSaved();
-	        return;
-	      }
-
-	    } else {
-	      canSave = context.selectedIDs().every(id => {
-	        const entity = context.hasEntity(id);
-	        return entity && !entity.isDegenerate();
-	      });
-	    }
-
-	    if (canSave) {
-	      _history.save();
-	    }
-	    if (_history.hasChanges()) {
-	      return _t('save.unsaved_changes');
-	    }
-	  };
-
-	  // Debounce save, since it's a synchronous localStorage write,
-	  // and history changes can happen frequently (e.g. when dragging).
-	  context.debouncedSave = debounce(context.save, 350);
-
-	  function withDebouncedSave(fn) {
-	    return function() {
-	      const result = fn.apply(_history, arguments);
-	      context.debouncedSave();
-	      return result;
-	    };
-	  }
-
-
-	  /* Graph */
-	  context.hasEntity = (id) => _history.graph().hasEntity(id);
-	  context.entity = (id) => _history.graph().entity(id);
-
-
-	  /* Modes */
-	  let _mode;
-	  context.mode = () => _mode;
-	  context.enter = (newMode) => {
-	    if (_mode) {
-	      _mode.exit();
-	      dispatch$1.call('exit', this, _mode);
-	    }
-
-	    _mode = newMode;
-	    _mode.enter();
-	    dispatch$1.call('enter', this, _mode);
-	  };
-
-	  context.selectedIDs = () => (_mode && _mode.selectedIDs && _mode.selectedIDs()) || [];
-	  context.activeID = () => _mode && _mode.activeID && _mode.activeID();
-
-	  let _selectedNoteID;
-	  context.selectedNoteID = function(noteID) {
-	    if (!arguments.length) return _selectedNoteID;
-	    _selectedNoteID = noteID;
-	    return context;
-	  };
-
-	  // NOTE: Don't change the name of this until UI v3 is merged
-	  let _selectedErrorID;
-	  context.selectedErrorID = function(errorID) {
-	    if (!arguments.length) return _selectedErrorID;
-	    _selectedErrorID = errorID;
-	    return context;
-	  };
-
-
-	  /* Behaviors */
-	  context.install = (behavior) => context.surface().call(behavior);
-	  context.uninstall = (behavior) => context.surface().call(behavior.off);
-
-
-	  /* Copy/Paste */
-	  let _copyGraph;
-	  context.copyGraph = () => _copyGraph;
-
-	  let _copyIDs = [];
-	  context.copyIDs = function(val) {
-	    if (!arguments.length) return _copyIDs;
-	    _copyIDs = val;
-	    _copyGraph = _history.graph();
-	    return context;
-	  };
-
-	  let _copyLonLat;
-	  context.copyLonLat = function(val) {
-	    if (!arguments.length) return _copyLonLat;
-	    _copyLonLat = val;
-	    return context;
-	  };
-
-
-	  /* Background */
-	  let _background;
-	  context.background = () => _background;
-
-
-	  /* Features */
-	  let _features;
-	  context.features = () => _features;
-	  context.hasHiddenConnections = (id) => {
-	    const graph = _history.graph();
-	    const entity = graph.entity(id);
-	    return _features.hasHiddenConnections(entity, graph);
-	  };
-
-
-	  /* Photos */
-	  let _photos;
-	  context.photos = () => _photos;
-
-
-	  /* Map */
-	  let _map;
-	  context.map = () => _map;
-	  context.layers = () => _map.layers();
-	  context.surface = () => _map.surface;
-	  context.editableDataEnabled = () => _map.editableDataEnabled();
-	  context.surfaceRect = () => _map.surface.node().getBoundingClientRect();
-	  context.editable = () => {
-	    // don't allow editing during save
-	    const mode = context.mode();
-	    if (!mode || mode.id === 'save') return false;
-	    return _map.editableDataEnabled();
-	  };
-
-
-	  /* Debug */
-	  let _debugFlags = {
-	    tile: false,        // tile boundaries
-	    collision: false,   // label collision bounding boxes
-	    imagery: false,     // imagery bounding polygons
-	    target: false,      // touch targets
-	    downloaded: false   // downloaded data from osm
-	  };
-	  context.debugFlags = () => _debugFlags;
-	  context.getDebug = (flag) => flag && _debugFlags[flag];
-	  context.setDebug = function(flag, val) {
-	    if (arguments.length === 1) val = true;
-	    _debugFlags[flag] = val;
-	    dispatch$1.call('change');
-	    return context;
-	  };
-
-
-	  /* Container */
-	  let _container = select(null);
-	  context.container = function(val) {
-	    if (!arguments.length) return _container;
-	    _container = val;
-	    _container.classed('ideditor', true);
-	    return context;
-	  };
-	  context.containerNode = function(val) {
-	    if (!arguments.length) return context.container().node();
-	    context.container(select(val));
-	    return context;
-	  };
-
-	  let _embed;
-	  context.embed = function(val) {
-	    if (!arguments.length) return _embed;
-	    _embed = val;
-	    return context;
-	  };
-
-
-	  /* Assets */
-	  let _assetPath = '';
-	  context.assetPath = function(val) {
-	    if (!arguments.length) return _assetPath;
-	    _assetPath = val;
-	    _mainFileFetcher.assetPath(val);
-	    return context;
-	  };
-
-	  let _assetMap = {};
-	  context.assetMap = function(val) {
-	    if (!arguments.length) return _assetMap;
-	    _assetMap = val;
-	    _mainFileFetcher.assetMap(val);
-	    return context;
-	  };
-
-	  context.asset = (val) => {
-	    if (/^http(s)?:\/\//i.test(val)) return val;
-	    const filename = _assetPath + val;
-	    return _assetMap[filename] || filename;
-	  };
-
-	  context.imagePath = (val) => context.asset(`img/${val}`);
-
-
-	  /* reset (aka flush) */
-	  context.reset = context.flush = () => {
-	    context.debouncedSave.cancel();
-
-	    Array.from(_deferred).forEach(handle => {
-	      window.cancelIdleCallback(handle);
-	      _deferred.delete(handle);
-	    });
-
-	    Object.values(services).forEach(service => {
-	      if (service && typeof service.reset === 'function') {
-	        service.reset(context);
-	      }
-	    });
-
-	    context.changeset = null;
-
-	    _validator.reset();
-	    _features.reset();
-	    _history.reset();
-	    _uploader.reset();
-
-	    // don't leave stale state in the inspector
-	    context.container().select('.inspector-wrap *').remove();
-
-	    return context;
-	  };
-
-
-	  /* Projections */
-	  context.projection = geoRawMercator();
-	  context.curtainProjection = geoRawMercator();
-
-
-	  /* Init */
-	  context.init = () => {
-
-	    instantiateInternal();
-
-	    initializeDependents();
-
-	    return context;
-
-	    // Load variables and properties. No property of `context` should be accessed
-	    // until this is complete since load statuses are indeterminate. The order
-	    // of instantiation shouldn't matter.
-	    function instantiateInternal() {
-
-	      _history = coreHistory(context);
-	      context.graph = _history.graph;
-	      context.pauseChangeDispatch = _history.pauseChangeDispatch;
-	      context.resumeChangeDispatch = _history.resumeChangeDispatch;
-	      context.perform = withDebouncedSave(_history.perform);
-	      context.replace = withDebouncedSave(_history.replace);
-	      context.pop = withDebouncedSave(_history.pop);
-	      context.overwrite = withDebouncedSave(_history.overwrite);
-	      context.undo = withDebouncedSave(_history.undo);
-	      context.redo = withDebouncedSave(_history.redo);
-
-	      _validator = coreValidator(context);
-	      _uploader = coreUploader(context);
-
-	      _background = rendererBackground(context);
-	      _features = rendererFeatures(context);
-	      _map = rendererMap(context);
-	      _photos = rendererPhotos(context);
-
-	      _ui = uiInit(context);
-
-	      _connection = services.osm;
-	    }
-
-	    // Set up objects that might need to access properties of `context`. The order
-	    // might matter if dependents make calls to each other. Be wary of async calls.
-	    function initializeDependents() {
-
-	      if (context.initialHashParams.presets) {
-	        _mainPresetIndex.addablePresetIDs(new Set(context.initialHashParams.presets.split(',')));
-	      }
-
-	      // kick off some async work
-	      _mainLocalizer.ensureLoaded();
-	      _background.ensureLoaded();
-	      _mainPresetIndex.ensureLoaded();
-
-	      Object.values(services).forEach(service => {
-	        if (service && typeof service.init === 'function') {
-	          service.init();
-	        }
-	      });
-
-	      _map.init();
-	      _validator.init();
-	      _features.init();
-	      _photos.init();
-
-	      if (services.maprules && context.initialHashParams.maprules) {
-	        d3_json(context.initialHashParams.maprules)
-	          .then(mapcss => {
-	            services.maprules.init();
-	            mapcss.forEach(mapcssSelector => services.maprules.addRule(mapcssSelector));
-	          })
-	          .catch(() => { /* ignore */ });
-	      }
-
-	      // if the container isn't available, e.g. when testing, don't load the UI
-	      if (!context.container().empty()) _ui.ensureLoaded();
-	    }
-	  };
-
-
-	  return context;
-	}
-
-	// When `debug = true`, we use `Object.freeze` on immutables in iD.
-	// This is only done in testing because of the performance penalty.
-	let debug = false;
-	let d3 = {
-	  customEvent: customEvent,
-	  dispatch:  dispatch,
-	  event:  event,
-	  geoMercator: mercator,
-	  geoProjection: projection,
-	  polygonArea: d3_polygonArea,
-	  polygonCentroid: d3_polygonCentroid,
-	  select: select,
-	  selectAll: selectAll,
-	  timerFlush: timerFlush
-	};
-
-	var iD = /*#__PURE__*/Object.freeze({
-		__proto__: null,
-		debug: debug,
-		d3: d3,
-		actionAddEntity: actionAddEntity,
-		actionAddMember: actionAddMember,
-		actionAddMidpoint: actionAddMidpoint,
-		actionAddVertex: actionAddVertex,
-		actionChangeMember: actionChangeMember,
-		actionChangePreset: actionChangePreset,
-		actionChangeTags: actionChangeTags,
-		actionCircularize: actionCircularize,
-		actionConnect: actionConnect,
-		actionCopyEntities: actionCopyEntities,
-		actionDeleteMember: actionDeleteMember,
-		actionDeleteMultiple: actionDeleteMultiple,
-		actionDeleteNode: actionDeleteNode,
-		actionDeleteRelation: actionDeleteRelation,
-		actionDeleteWay: actionDeleteWay,
-		actionDiscardTags: actionDiscardTags,
-		actionDisconnect: actionDisconnect,
-		actionExtract: actionExtract,
-		actionJoin: actionJoin,
-		actionMerge: actionMerge,
-		actionMergeNodes: actionMergeNodes,
-		actionMergePolygon: actionMergePolygon,
-		actionMergeRemoteChanges: actionMergeRemoteChanges,
-		actionMove: actionMove,
-		actionMoveMember: actionMoveMember,
-		actionMoveNode: actionMoveNode,
-		actionNoop: actionNoop,
-		actionOrthogonalize: actionOrthogonalize,
-		actionRestrictTurn: actionRestrictTurn,
-		actionReverse: actionReverse,
-		actionRevert: actionRevert,
-		actionRotate: actionRotate,
-		actionSplit: actionSplit,
-		actionStraightenNodes: actionStraightenNodes,
-		actionStraightenWay: actionStraightenWay,
-		actionUnrestrictTurn: actionUnrestrictTurn,
-		actionReflect: actionReflect,
-		actionUpgradeTags: actionUpgradeTags,
-		behaviorAddWay: behaviorAddWay,
-		behaviorBreathe: behaviorBreathe,
-		behaviorDrag: behaviorDrag,
-		behaviorDrawWay: behaviorDrawWay,
-		behaviorDraw: behaviorDraw,
-		behaviorEdit: behaviorEdit,
-		behaviorHash: behaviorHash,
-		behaviorHover: behaviorHover,
-		behaviorLasso: behaviorLasso,
-		behaviorOperation: behaviorOperation,
-		behaviorPaste: behaviorPaste,
-		behaviorSelect: behaviorSelect,
-		coreContext: coreContext,
-		coreFileFetcher: coreFileFetcher,
-		fileFetcher: _mainFileFetcher,
-		coreDifference: coreDifference,
-		coreGraph: coreGraph,
-		coreHistory: coreHistory,
-		coreLocalizer: coreLocalizer,
-		t: _t,
-		localizer: _mainLocalizer,
-		prefs: corePreferences,
-		coreTree: coreTree,
-		coreUploader: coreUploader,
-		coreValidator: coreValidator,
-		geoExtent: geoExtent,
-		geoLatToMeters: geoLatToMeters,
-		geoLonToMeters: geoLonToMeters,
-		geoMetersToLat: geoMetersToLat,
-		geoMetersToLon: geoMetersToLon,
-		geoMetersToOffset: geoMetersToOffset,
-		geoOffsetToMeters: geoOffsetToMeters,
-		geoScaleToZoom: geoScaleToZoom,
-		geoSphericalClosestNode: geoSphericalClosestNode,
-		geoSphericalDistance: geoSphericalDistance,
-		geoZoomToScale: geoZoomToScale,
-		geoAngle: geoAngle,
-		geoChooseEdge: geoChooseEdge,
-		geoEdgeEqual: geoEdgeEqual,
-		geoGetSmallestSurroundingRectangle: geoGetSmallestSurroundingRectangle,
-		geoHasLineIntersections: geoHasLineIntersections,
-		geoHasSelfIntersections: geoHasSelfIntersections,
-		geoRotate: geoRotate,
-		geoLineIntersection: geoLineIntersection,
-		geoPathHasIntersections: geoPathHasIntersections,
-		geoPathIntersections: geoPathIntersections,
-		geoPathLength: geoPathLength,
-		geoPointInPolygon: geoPointInPolygon,
-		geoPolygonContainsPolygon: geoPolygonContainsPolygon,
-		geoPolygonIntersectsPolygon: geoPolygonIntersectsPolygon,
-		geoViewportEdge: geoViewportEdge,
-		geoRawMercator: geoRawMercator,
-		geoVecAdd: geoVecAdd,
-		geoVecAngle: geoVecAngle,
-		geoVecCross: geoVecCross,
-		geoVecDot: geoVecDot,
-		geoVecEqual: geoVecEqual,
-		geoVecFloor: geoVecFloor,
-		geoVecInterp: geoVecInterp,
-		geoVecLength: geoVecLength,
-		geoVecLengthSquare: geoVecLengthSquare,
-		geoVecNormalize: geoVecNormalize,
-		geoVecNormalizedDot: geoVecNormalizedDot,
-		geoVecProject: geoVecProject,
-		geoVecSubtract: geoVecSubtract,
-		geoVecScale: geoVecScale,
-		geoOrthoNormalizedDotProduct: geoOrthoNormalizedDotProduct,
-		geoOrthoCalcScore: geoOrthoCalcScore,
-		geoOrthoMaxOffsetAngle: geoOrthoMaxOffsetAngle,
-		geoOrthoCanOrthogonalize: geoOrthoCanOrthogonalize,
-		modeAddArea: modeAddArea,
-		modeAddLine: modeAddLine,
-		modeAddPoint: modeAddPoint,
-		modeAddNote: modeAddNote,
-		modeBrowse: modeBrowse,
-		modeDragNode: modeDragNode,
-		modeDragNote: modeDragNote,
-		modeDrawArea: modeDrawArea,
-		modeDrawLine: modeDrawLine,
-		modeMove: modeMove,
-		modeRotate: modeRotate,
-		modeSave: modeSave,
-		modeSelect: modeSelect,
-		modeSelectData: modeSelectData,
-		modeSelectError: modeSelectError,
-		modeSelectNote: modeSelectNote,
-		operationCircularize: operationCircularize,
-		operationContinue: operationContinue,
-		operationCopy: operationCopy,
-		operationDelete: operationDelete,
-		operationDisconnect: operationDisconnect,
-		operationDowngrade: operationDowngrade,
-		operationExtract: operationExtract,
-		operationMerge: operationMerge,
-		operationMove: operationMove,
-		operationOrthogonalize: operationOrthogonalize,
-		operationPaste: operationPaste,
-		operationReflectShort: operationReflectShort,
-		operationReflectLong: operationReflectLong,
-		operationReverse: operationReverse,
-		operationRotate: operationRotate,
-		operationSplit: operationSplit,
-		operationStraighten: operationStraighten,
-		osmChangeset: osmChangeset,
-		osmEntity: osmEntity,
-		osmNode: osmNode,
-		osmNote: osmNote,
-		osmRelation: osmRelation,
-		osmWay: osmWay,
-		QAItem: QAItem,
-		osmIntersection: osmIntersection,
-		osmTurn: osmTurn,
-		osmInferRestriction: osmInferRestriction,
-		osmLanes: osmLanes,
-		osmOldMultipolygonOuterMemberOfRelation: osmOldMultipolygonOuterMemberOfRelation,
-		osmIsOldMultipolygonOuterMember: osmIsOldMultipolygonOuterMember,
-		osmOldMultipolygonOuterMember: osmOldMultipolygonOuterMember,
-		osmJoinWays: osmJoinWays,
-		get osmAreaKeys () { return osmAreaKeys; },
-		osmSetAreaKeys: osmSetAreaKeys,
-		osmTagSuggestingArea: osmTagSuggestingArea,
-		get osmPointTags () { return osmPointTags; },
-		osmSetPointTags: osmSetPointTags,
-		get osmVertexTags () { return osmVertexTags; },
-		osmSetVertexTags: osmSetVertexTags,
-		osmNodeGeometriesForTags: osmNodeGeometriesForTags,
-		osmOneWayTags: osmOneWayTags,
-		osmPavedTags: osmPavedTags,
-		osmIsInterestingTag: osmIsInterestingTag,
-		osmRoutableHighwayTagValues: osmRoutableHighwayTagValues,
-		osmFlowingWaterwayTagValues: osmFlowingWaterwayTagValues,
-		osmRailwayTrackTagValues: osmRailwayTrackTagValues,
-		presetCategory: presetCategory,
-		presetCollection: presetCollection,
-		presetField: presetField,
-		presetPreset: presetPreset,
-		presetManager: _mainPresetIndex,
-		presetIndex: presetIndex,
-		rendererBackgroundSource: rendererBackgroundSource,
-		rendererBackground: rendererBackground,
-		rendererFeatures: rendererFeatures,
-		rendererMap: rendererMap,
-		rendererPhotos: rendererPhotos,
-		rendererTileLayer: rendererTileLayer,
-		services: services,
-		serviceKeepRight: serviceKeepRight,
-		serviceImproveOSM: serviceImproveOSM,
-		serviceOsmose: serviceOsmose,
-		serviceMapillary: serviceMapillary,
-		serviceMapRules: serviceMapRules,
-		serviceNominatim: serviceNominatim,
-		serviceOpenstreetcam: serviceOpenstreetcam,
-		serviceOsm: serviceOsm,
-		serviceOsmWikibase: serviceOsmWikibase,
-		serviceStreetside: serviceStreetside,
-		serviceTaginfo: serviceTaginfo,
-		serviceVectorTile: serviceVectorTile,
-		serviceWikidata: serviceWikidata,
-		serviceWikipedia: serviceWikipedia,
-		svgAreas: svgAreas,
-		svgData: svgData,
-		svgDebug: svgDebug,
-		svgDefs: svgDefs,
-		svgKeepRight: svgKeepRight,
-		svgIcon: svgIcon,
-		svgGeolocate: svgGeolocate,
-		svgLabels: svgLabels,
-		svgLayers: svgLayers,
-		svgLines: svgLines,
-		svgMapillaryImages: svgMapillaryImages,
-		svgMapillarySigns: svgMapillarySigns,
-		svgMidpoints: svgMidpoints,
-		svgNotes: svgNotes,
-		svgMarkerSegments: svgMarkerSegments,
-		svgOpenstreetcamImages: svgOpenstreetcamImages,
-		svgOsm: svgOsm,
-		svgPassiveVertex: svgPassiveVertex,
-		svgPath: svgPath,
-		svgPointTransform: svgPointTransform,
-		svgPoints: svgPoints,
-		svgRelationMemberTags: svgRelationMemberTags,
-		svgSegmentWay: svgSegmentWay,
-		svgStreetside: svgStreetside,
-		svgTagClasses: svgTagClasses,
-		svgTagPattern: svgTagPattern,
-		svgTouch: svgTouch,
-		svgTurns: svgTurns,
-		svgVertices: svgVertices,
-		uiFieldDefaultCheck: uiFieldCheck,
-		uiFieldOnewayCheck: uiFieldCheck,
-		uiFieldCheck: uiFieldCheck,
-		uiFieldMultiCombo: uiFieldCombo,
-		uiFieldNetworkCombo: uiFieldCombo,
-		uiFieldSemiCombo: uiFieldCombo,
-		uiFieldTypeCombo: uiFieldCombo,
-		uiFieldCombo: uiFieldCombo,
-		uiFieldUrl: uiFieldText,
-		uiFieldIdentifier: uiFieldText,
-		uiFieldNumber: uiFieldText,
-		uiFieldTel: uiFieldText,
-		uiFieldEmail: uiFieldText,
-		uiFieldText: uiFieldText,
-		uiFieldAccess: uiFieldAccess,
-		uiFieldAddress: uiFieldAddress,
-		uiFieldCycleway: uiFieldCycleway,
-		uiFieldLanes: uiFieldLanes,
-		uiFieldLocalized: uiFieldLocalized,
-		uiFieldMaxspeed: uiFieldMaxspeed,
-		uiFieldStructureRadio: uiFieldRadio,
-		uiFieldRadio: uiFieldRadio,
-		uiFieldRestrictions: uiFieldRestrictions,
-		uiFieldTextarea: uiFieldTextarea,
-		uiFieldWikidata: uiFieldWikidata,
-		uiFieldWikipedia: uiFieldWikipedia,
-		uiFields: uiFields,
-		uiIntro: uiIntro,
-		uiPanelBackground: uiPanelBackground,
-		uiPanelHistory: uiPanelHistory,
-		uiPanelLocation: uiPanelLocation,
-		uiPanelMeasurement: uiPanelMeasurement,
-		uiInfoPanels: uiInfoPanels,
-		uiPaneBackground: uiPaneBackground,
-		uiPaneHelp: uiPaneHelp,
-		uiPaneIssues: uiPaneIssues,
-		uiPaneMapData: uiPaneMapData,
-		uiPanePreferences: uiPanePreferences,
-		uiSectionBackgroundDisplayOptions: uiSectionBackgroundDisplayOptions,
-		uiSectionBackgroundList: uiSectionBackgroundList,
-		uiSectionBackgroundOffset: uiSectionBackgroundOffset,
-		uiSectionChanges: uiSectionChanges,
-		uiSectionDataLayers: uiSectionDataLayers,
-		uiSectionEntityIssues: uiSectionEntityIssues,
-		uiSectionFeatureType: uiSectionFeatureType,
-		uiSectionMapFeatures: uiSectionMapFeatures,
-		uiSectionMapStyleOptions: uiSectionMapStyleOptions,
-		uiSectionOverlayList: uiSectionOverlayList,
-		uiSectionPhotoOverlays: uiSectionPhotoOverlays,
-		uiSectionPresetFields: uiSectionPresetFields,
-		uiSectionPrivacy: uiSectionPrivacy,
-		uiSectionRawMemberEditor: uiSectionRawMemberEditor,
-		uiSectionRawMembershipEditor: uiSectionRawMembershipEditor,
-		uiSectionRawTagEditor: uiSectionRawTagEditor,
-		uiSectionSelectionList: uiSectionSelectionList,
-		uiSectionValidationIssues: uiSectionValidationIssues,
-		uiSectionValidationOptions: uiSectionValidationOptions,
-		uiSectionValidationRules: uiSectionValidationRules,
-		uiSectionValidationStatus: uiSectionValidationStatus,
-		uiSettingsCustomBackground: uiSettingsCustomBackground,
-		uiSettingsCustomData: uiSettingsCustomData,
-		uiInit: uiInit,
-		uiAccount: uiAccount,
-		uiAttribution: uiAttribution,
-		uiChangesetEditor: uiChangesetEditor,
-		uiCmd: uiCmd,
-		uiCombobox: uiCombobox,
-		uiCommit: uiCommit,
-		uiCommitWarnings: uiCommitWarnings,
-		uiConfirm: uiConfirm,
-		uiConflicts: uiConflicts,
-		uiContributors: uiContributors,
-		uiCurtain: uiCurtain,
-		uiDataEditor: uiDataEditor,
-		uiDataHeader: uiDataHeader,
-		uiDisclosure: uiDisclosure,
-		uiEditMenu: uiEditMenu,
-		uiEntityEditor: uiEntityEditor,
-		uiFeatureInfo: uiFeatureInfo,
-		uiFeatureList: uiFeatureList,
-		uiField: uiField,
-		uiFieldHelp: uiFieldHelp,
-		uiFlash: uiFlash,
-		uiFormFields: uiFormFields,
-		uiFullScreen: uiFullScreen,
-		uiGeolocate: uiGeolocate,
-		uiImproveOsmComments: uiImproveOsmComments,
-		uiImproveOsmDetails: uiImproveOsmDetails,
-		uiImproveOsmEditor: uiImproveOsmEditor,
-		uiImproveOsmHeader: uiImproveOsmHeader,
-		uiInfo: uiInfo,
-		uiInspector: uiInspector,
-		uiIssuesInfo: uiIssuesInfo,
-		uiKeepRightDetails: uiKeepRightDetails,
-		uiKeepRightEditor: uiKeepRightEditor,
-		uiKeepRightHeader: uiKeepRightHeader,
-		uiLasso: uiLasso,
-		uiLoading: uiLoading,
-		uiMapInMap: uiMapInMap,
-		uiModal: uiModal,
-		uiNotice: uiNotice,
-		uiNoteComments: uiNoteComments,
-		uiNoteEditor: uiNoteEditor,
-		uiNoteHeader: uiNoteHeader,
-		uiNoteReport: uiNoteReport,
-		uiPopover: uiPopover,
-		uiPresetIcon: uiPresetIcon,
-		uiPresetList: uiPresetList,
-		uiRestore: uiRestore,
-		uiScale: uiScale,
-		uiSidebar: uiSidebar,
-		uiSourceSwitch: uiSourceSwitch,
-		uiSpinner: uiSpinner,
-		uiSplash: uiSplash,
-		uiStatus: uiStatus,
-		uiSuccess: uiSuccess,
-		uiTagReference: uiTagReference,
-		uiToggle: uiToggle,
-		uiTooltip: uiTooltip,
-		uiVersion: uiVersion,
-		uiViewOnOSM: uiViewOnOSM,
-		uiViewOnKeepRight: uiViewOnKeepRight,
-		uiZoom: uiZoom,
-		utilAesEncrypt: utilAesEncrypt,
-		utilAesDecrypt: utilAesDecrypt,
-		utilArrayChunk: utilArrayChunk,
-		utilArrayDifference: utilArrayDifference,
-		utilArrayFlatten: utilArrayFlatten,
-		utilArrayGroupBy: utilArrayGroupBy,
-		utilArrayIdentical: utilArrayIdentical,
-		utilArrayIntersection: utilArrayIntersection,
-		utilArrayUnion: utilArrayUnion,
-		utilArrayUniq: utilArrayUniq,
-		utilArrayUniqBy: utilArrayUniqBy,
-		utilAsyncMap: utilAsyncMap,
-		utilCleanTags: utilCleanTags,
-		utilCombinedTags: utilCombinedTags,
-		utilDeepMemberSelector: utilDeepMemberSelector,
-		utilDetect: utilDetect,
-		utilDisplayName: utilDisplayName,
-		utilDisplayNameForPath: utilDisplayNameForPath,
-		utilDisplayType: utilDisplayType,
-		utilDisplayLabel: utilDisplayLabel,
-		utilEntityRoot: utilEntityRoot,
-		utilEditDistance: utilEditDistance,
-		utilEntitySelector: utilEntitySelector,
-		utilEntityOrMemberSelector: utilEntityOrMemberSelector,
-		utilEntityOrDeepMemberSelector: utilEntityOrDeepMemberSelector,
-		utilFastMouse: utilFastMouse,
-		utilFunctor: utilFunctor,
-		utilGetAllNodes: utilGetAllNodes,
-		utilGetSetValue: utilGetSetValue,
-		utilHashcode: utilHashcode,
-		utilHighlightEntities: utilHighlightEntities,
-		utilKeybinding: utilKeybinding,
-		utilNoAuto: utilNoAuto,
-		utilObjectOmit: utilObjectOmit,
-		utilPrefixCSSProperty: utilPrefixCSSProperty,
-		utilPrefixDOMProperty: utilPrefixDOMProperty,
-		utilQsString: utilQsString,
-		utilRebind: utilRebind,
-		utilSafeClassName: utilSafeClassName,
-		utilSetTransform: utilSetTransform,
-		utilSessionMutex: utilSessionMutex,
-		utilStringQs: utilStringQs,
-		utilTagDiff: utilTagDiff,
-		utilTagText: utilTagText,
-		utilTiler: utilTiler,
-		utilTotalExtent: utilTotalExtent,
-		utilTriggerEvent: utilTriggerEvent,
-		utilUnicodeCharsCount: utilUnicodeCharsCount,
-		utilUnicodeCharsTruncated: utilUnicodeCharsTruncated,
-		utilUniqueDomId: utilUniqueDomId,
-		utilWrap: utilWrap,
-		validationAlmostJunction: validationAlmostJunction,
-		validationCloseNodes: validationCloseNodes,
-		validationCrossingWays: validationCrossingWays,
-		validationDisconnectedWay: validationDisconnectedWay,
-		validationFormatting: validationFormatting,
-		validationHelpRequest: validationHelpRequest,
-		validationImpossibleOneway: validationImpossibleOneway,
-		validationIncompatibleSource: validationIncompatibleSource,
-		validationMaprules: validationMaprules,
-		validationMismatchedGeometry: validationMismatchedGeometry,
-		validationMissingRole: validationMissingRole,
-		validationMissingTag: validationMissingTag,
-		validationOutdatedTags: validationOutdatedTags,
-		validationPrivateData: validationPrivateData,
-		validationSuspiciousName: validationSuspiciousName,
-		validationUnsquareWay: validationUnsquareWay
-	});
-
-	// polyfill requestIdleCallback
-	window.requestIdleCallback = window.requestIdleCallback ||
-	    function(cb) {
-	        var start = Date.now();
-	        return window.requestAnimationFrame(function() {
-	            cb({
-	                didTimeout: false,
-	                timeRemaining: function() {
-	                    return Math.max(0, 50 - (Date.now() - start));
-	                }
-	            });
-	        });
-	    };
-
-	window.cancelIdleCallback = window.cancelIdleCallback ||
-	    function(id) {
-	        window.cancelAnimationFrame(id);
-	    };
-	window.iD = iD;
-
-}());
+(() => {
+  var __create = Object.create;
+  var __defProp = Object.defineProperty;
+  var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
+  var __getOwnPropNames = Object.getOwnPropertyNames;
+  var __getProtoOf = Object.getPrototypeOf;
+  var __hasOwnProp = Object.prototype.hasOwnProperty;
+  var __commonJS = (cb, mod) => function __require() {
+    return mod || (0, cb[__getOwnPropNames(cb)[0]])((mod = { exports: {} }).exports, mod), mod.exports;
+  };
+  var __export = (target, all) => {
+    for (var name in all)
+      __defProp(target, name, { get: all[name], enumerable: true });
+  };
+  var __copyProps = (to, from, except, desc) => {
+    if (from && typeof from === "object" || typeof from === "function") {
+      for (let key of __getOwnPropNames(from))
+        if (!__hasOwnProp.call(to, key) && key !== except)
+          __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
+    }
+    return to;
+  };
+  var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
+    // If the importer is in node compatibility mode or this is not an ESM
+    // file that has been converted to a CommonJS file using a Babel-
+    // compatible transform (i.e. "__esModule" has not been set), then set
+    // "default" to the CommonJS "module.exports" for node compatibility.
+    isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
+    mod
+  ));
+
+  // node_modules/diacritics/index.js
+  var require_diacritics = __commonJS({
+    "node_modules/diacritics/index.js"(exports2) {
+      exports2.remove = removeDiacritics2;
+      var replacementList = [
+        {
+          base: " ",
+          chars: "\xA0"
+        },
+        {
+          base: "0",
+          chars: "\u07C0"
+        },
+        {
+          base: "A",
+          chars: "\u24B6\uFF21\xC0\xC1\xC2\u1EA6\u1EA4\u1EAA\u1EA8\xC3\u0100\u0102\u1EB0\u1EAE\u1EB4\u1EB2\u0226\u01E0\xC4\u01DE\u1EA2\xC5\u01FA\u01CD\u0200\u0202\u1EA0\u1EAC\u1EB6\u1E00\u0104\u023A\u2C6F"
+        },
+        {
+          base: "AA",
+          chars: "\uA732"
+        },
+        {
+          base: "AE",
+          chars: "\xC6\u01FC\u01E2"
+        },
+        {
+          base: "AO",
+          chars: "\uA734"
+        },
+        {
+          base: "AU",
+          chars: "\uA736"
+        },
+        {
+          base: "AV",
+          chars: "\uA738\uA73A"
+        },
+        {
+          base: "AY",
+          chars: "\uA73C"
+        },
+        {
+          base: "B",
+          chars: "\u24B7\uFF22\u1E02\u1E04\u1E06\u0243\u0181"
+        },
+        {
+          base: "C",
+          chars: "\u24B8\uFF23\uA73E\u1E08\u0106C\u0108\u010A\u010C\xC7\u0187\u023B"
+        },
+        {
+          base: "D",
+          chars: "\u24B9\uFF24\u1E0A\u010E\u1E0C\u1E10\u1E12\u1E0E\u0110\u018A\u0189\u1D05\uA779"
+        },
+        {
+          base: "Dh",
+          chars: "\xD0"
+        },
+        {
+          base: "DZ",
+          chars: "\u01F1\u01C4"
+        },
+        {
+          base: "Dz",
+          chars: "\u01F2\u01C5"
+        },
+        {
+          base: "E",
+          chars: "\u025B\u24BA\uFF25\xC8\xC9\xCA\u1EC0\u1EBE\u1EC4\u1EC2\u1EBC\u0112\u1E14\u1E16\u0114\u0116\xCB\u1EBA\u011A\u0204\u0206\u1EB8\u1EC6\u0228\u1E1C\u0118\u1E18\u1E1A\u0190\u018E\u1D07"
+        },
+        {
+          base: "F",
+          chars: "\uA77C\u24BB\uFF26\u1E1E\u0191\uA77B"
+        },
+        {
+          base: "G",
+          chars: "\u24BC\uFF27\u01F4\u011C\u1E20\u011E\u0120\u01E6\u0122\u01E4\u0193\uA7A0\uA77D\uA77E\u0262"
+        },
+        {
+          base: "H",
+          chars: "\u24BD\uFF28\u0124\u1E22\u1E26\u021E\u1E24\u1E28\u1E2A\u0126\u2C67\u2C75\uA78D"
+        },
+        {
+          base: "I",
+          chars: "\u24BE\uFF29\xCC\xCD\xCE\u0128\u012A\u012C\u0130\xCF\u1E2E\u1EC8\u01CF\u0208\u020A\u1ECA\u012E\u1E2C\u0197"
+        },
+        {
+          base: "J",
+          chars: "\u24BF\uFF2A\u0134\u0248\u0237"
+        },
+        {
+          base: "K",
+          chars: "\u24C0\uFF2B\u1E30\u01E8\u1E32\u0136\u1E34\u0198\u2C69\uA740\uA742\uA744\uA7A2"
+        },
+        {
+          base: "L",
+          chars: "\u24C1\uFF2C\u013F\u0139\u013D\u1E36\u1E38\u013B\u1E3C\u1E3A\u0141\u023D\u2C62\u2C60\uA748\uA746\uA780"
+        },
+        {
+          base: "LJ",
+          chars: "\u01C7"
+        },
+        {
+          base: "Lj",
+          chars: "\u01C8"
+        },
+        {
+          base: "M",
+          chars: "\u24C2\uFF2D\u1E3E\u1E40\u1E42\u2C6E\u019C\u03FB"
+        },
+        {
+          base: "N",
+          chars: "\uA7A4\u0220\u24C3\uFF2E\u01F8\u0143\xD1\u1E44\u0147\u1E46\u0145\u1E4A\u1E48\u019D\uA790\u1D0E"
+        },
+        {
+          base: "NJ",
+          chars: "\u01CA"
+        },
+        {
+          base: "Nj",
+          chars: "\u01CB"
+        },
+        {
+          base: "O",
+          chars: "\u24C4\uFF2F\xD2\xD3\xD4\u1ED2\u1ED0\u1ED6\u1ED4\xD5\u1E4C\u022C\u1E4E\u014C\u1E50\u1E52\u014E\u022E\u0230\xD6\u022A\u1ECE\u0150\u01D1\u020C\u020E\u01A0\u1EDC\u1EDA\u1EE0\u1EDE\u1EE2\u1ECC\u1ED8\u01EA\u01EC\xD8\u01FE\u0186\u019F\uA74A\uA74C"
+        },
+        {
+          base: "OE",
+          chars: "\u0152"
+        },
+        {
+          base: "OI",
+          chars: "\u01A2"
+        },
+        {
+          base: "OO",
+          chars: "\uA74E"
+        },
+        {
+          base: "OU",
+          chars: "\u0222"
+        },
+        {
+          base: "P",
+          chars: "\u24C5\uFF30\u1E54\u1E56\u01A4\u2C63\uA750\uA752\uA754"
+        },
+        {
+          base: "Q",
+          chars: "\u24C6\uFF31\uA756\uA758\u024A"
+        },
+        {
+          base: "R",
+          chars: "\u24C7\uFF32\u0154\u1E58\u0158\u0210\u0212\u1E5A\u1E5C\u0156\u1E5E\u024C\u2C64\uA75A\uA7A6\uA782"
+        },
+        {
+          base: "S",
+          chars: "\u24C8\uFF33\u1E9E\u015A\u1E64\u015C\u1E60\u0160\u1E66\u1E62\u1E68\u0218\u015E\u2C7E\uA7A8\uA784"
+        },
+        {
+          base: "T",
+          chars: "\u24C9\uFF34\u1E6A\u0164\u1E6C\u021A\u0162\u1E70\u1E6E\u0166\u01AC\u01AE\u023E\uA786"
+        },
+        {
+          base: "Th",
+          chars: "\xDE"
+        },
+        {
+          base: "TZ",
+          chars: "\uA728"
+        },
+        {
+          base: "U",
+          chars: "\u24CA\uFF35\xD9\xDA\xDB\u0168\u1E78\u016A\u1E7A\u016C\xDC\u01DB\u01D7\u01D5\u01D9\u1EE6\u016E\u0170\u01D3\u0214\u0216\u01AF\u1EEA\u1EE8\u1EEE\u1EEC\u1EF0\u1EE4\u1E72\u0172\u1E76\u1E74\u0244"
+        },
+        {
+          base: "V",
+          chars: "\u24CB\uFF36\u1E7C\u1E7E\u01B2\uA75E\u0245"
+        },
+        {
+          base: "VY",
+          chars: "\uA760"
+        },
+        {
+          base: "W",
+          chars: "\u24CC\uFF37\u1E80\u1E82\u0174\u1E86\u1E84\u1E88\u2C72"
+        },
+        {
+          base: "X",
+          chars: "\u24CD\uFF38\u1E8A\u1E8C"
+        },
+        {
+          base: "Y",
+          chars: "\u24CE\uFF39\u1EF2\xDD\u0176\u1EF8\u0232\u1E8E\u0178\u1EF6\u1EF4\u01B3\u024E\u1EFE"
+        },
+        {
+          base: "Z",
+          chars: "\u24CF\uFF3A\u0179\u1E90\u017B\u017D\u1E92\u1E94\u01B5\u0224\u2C7F\u2C6B\uA762"
+        },
+        {
+          base: "a",
+          chars: "\u24D0\uFF41\u1E9A\xE0\xE1\xE2\u1EA7\u1EA5\u1EAB\u1EA9\xE3\u0101\u0103\u1EB1\u1EAF\u1EB5\u1EB3\u0227\u01E1\xE4\u01DF\u1EA3\xE5\u01FB\u01CE\u0201\u0203\u1EA1\u1EAD\u1EB7\u1E01\u0105\u2C65\u0250\u0251"
+        },
+        {
+          base: "aa",
+          chars: "\uA733"
+        },
+        {
+          base: "ae",
+          chars: "\xE6\u01FD\u01E3"
+        },
+        {
+          base: "ao",
+          chars: "\uA735"
+        },
+        {
+          base: "au",
+          chars: "\uA737"
+        },
+        {
+          base: "av",
+          chars: "\uA739\uA73B"
+        },
+        {
+          base: "ay",
+          chars: "\uA73D"
+        },
+        {
+          base: "b",
+          chars: "\u24D1\uFF42\u1E03\u1E05\u1E07\u0180\u0183\u0253\u0182"
+        },
+        {
+          base: "c",
+          chars: "\uFF43\u24D2\u0107\u0109\u010B\u010D\xE7\u1E09\u0188\u023C\uA73F\u2184"
+        },
+        {
+          base: "d",
+          chars: "\u24D3\uFF44\u1E0B\u010F\u1E0D\u1E11\u1E13\u1E0F\u0111\u018C\u0256\u0257\u018B\u13E7\u0501\uA7AA"
+        },
+        {
+          base: "dh",
+          chars: "\xF0"
+        },
+        {
+          base: "dz",
+          chars: "\u01F3\u01C6"
+        },
+        {
+          base: "e",
+          chars: "\u24D4\uFF45\xE8\xE9\xEA\u1EC1\u1EBF\u1EC5\u1EC3\u1EBD\u0113\u1E15\u1E17\u0115\u0117\xEB\u1EBB\u011B\u0205\u0207\u1EB9\u1EC7\u0229\u1E1D\u0119\u1E19\u1E1B\u0247\u01DD"
+        },
+        {
+          base: "f",
+          chars: "\u24D5\uFF46\u1E1F\u0192"
+        },
+        {
+          base: "ff",
+          chars: "\uFB00"
+        },
+        {
+          base: "fi",
+          chars: "\uFB01"
+        },
+        {
+          base: "fl",
+          chars: "\uFB02"
+        },
+        {
+          base: "ffi",
+          chars: "\uFB03"
+        },
+        {
+          base: "ffl",
+          chars: "\uFB04"
+        },
+        {
+          base: "g",
+          chars: "\u24D6\uFF47\u01F5\u011D\u1E21\u011F\u0121\u01E7\u0123\u01E5\u0260\uA7A1\uA77F\u1D79"
+        },
+        {
+          base: "h",
+          chars: "\u24D7\uFF48\u0125\u1E23\u1E27\u021F\u1E25\u1E29\u1E2B\u1E96\u0127\u2C68\u2C76\u0265"
+        },
+        {
+          base: "hv",
+          chars: "\u0195"
+        },
+        {
+          base: "i",
+          chars: "\u24D8\uFF49\xEC\xED\xEE\u0129\u012B\u012D\xEF\u1E2F\u1EC9\u01D0\u0209\u020B\u1ECB\u012F\u1E2D\u0268\u0131"
+        },
+        {
+          base: "j",
+          chars: "\u24D9\uFF4A\u0135\u01F0\u0249"
+        },
+        {
+          base: "k",
+          chars: "\u24DA\uFF4B\u1E31\u01E9\u1E33\u0137\u1E35\u0199\u2C6A\uA741\uA743\uA745\uA7A3"
+        },
+        {
+          base: "l",
+          chars: "\u24DB\uFF4C\u0140\u013A\u013E\u1E37\u1E39\u013C\u1E3D\u1E3B\u017F\u0142\u019A\u026B\u2C61\uA749\uA781\uA747\u026D"
+        },
+        {
+          base: "lj",
+          chars: "\u01C9"
+        },
+        {
+          base: "m",
+          chars: "\u24DC\uFF4D\u1E3F\u1E41\u1E43\u0271\u026F"
+        },
+        {
+          base: "n",
+          chars: "\u24DD\uFF4E\u01F9\u0144\xF1\u1E45\u0148\u1E47\u0146\u1E4B\u1E49\u019E\u0272\u0149\uA791\uA7A5\u043B\u0509"
+        },
+        {
+          base: "nj",
+          chars: "\u01CC"
+        },
+        {
+          base: "o",
+          chars: "\u24DE\uFF4F\xF2\xF3\xF4\u1ED3\u1ED1\u1ED7\u1ED5\xF5\u1E4D\u022D\u1E4F\u014D\u1E51\u1E53\u014F\u022F\u0231\xF6\u022B\u1ECF\u0151\u01D2\u020D\u020F\u01A1\u1EDD\u1EDB\u1EE1\u1EDF\u1EE3\u1ECD\u1ED9\u01EB\u01ED\xF8\u01FF\uA74B\uA74D\u0275\u0254\u1D11"
+        },
+        {
+          base: "oe",
+          chars: "\u0153"
+        },
+        {
+          base: "oi",
+          chars: "\u01A3"
+        },
+        {
+          base: "oo",
+          chars: "\uA74F"
+        },
+        {
+          base: "ou",
+          chars: "\u0223"
+        },
+        {
+          base: "p",
+          chars: "\u24DF\uFF50\u1E55\u1E57\u01A5\u1D7D\uA751\uA753\uA755\u03C1"
+        },
+        {
+          base: "q",
+          chars: "\u24E0\uFF51\u024B\uA757\uA759"
+        },
+        {
+          base: "r",
+          chars: "\u24E1\uFF52\u0155\u1E59\u0159\u0211\u0213\u1E5B\u1E5D\u0157\u1E5F\u024D\u027D\uA75B\uA7A7\uA783"
+        },
+        {
+          base: "s",
+          chars: "\u24E2\uFF53\u015B\u1E65\u015D\u1E61\u0161\u1E67\u1E63\u1E69\u0219\u015F\u023F\uA7A9\uA785\u1E9B\u0282"
+        },
+        {
+          base: "ss",
+          chars: "\xDF"
+        },
+        {
+          base: "t",
+          chars: "\u24E3\uFF54\u1E6B\u1E97\u0165\u1E6D\u021B\u0163\u1E71\u1E6F\u0167\u01AD\u0288\u2C66\uA787"
+        },
+        {
+          base: "th",
+          chars: "\xFE"
+        },
+        {
+          base: "tz",
+          chars: "\uA729"
+        },
+        {
+          base: "u",
+          chars: "\u24E4\uFF55\xF9\xFA\xFB\u0169\u1E79\u016B\u1E7B\u016D\xFC\u01DC\u01D8\u01D6\u01DA\u1EE7\u016F\u0171\u01D4\u0215\u0217\u01B0\u1EEB\u1EE9\u1EEF\u1EED\u1EF1\u1EE5\u1E73\u0173\u1E77\u1E75\u0289"
+        },
+        {
+          base: "v",
+          chars: "\u24E5\uFF56\u1E7D\u1E7F\u028B\uA75F\u028C"
+        },
+        {
+          base: "vy",
+          chars: "\uA761"
+        },
+        {
+          base: "w",
+          chars: "\u24E6\uFF57\u1E81\u1E83\u0175\u1E87\u1E85\u1E98\u1E89\u2C73"
+        },
+        {
+          base: "x",
+          chars: "\u24E7\uFF58\u1E8B\u1E8D"
+        },
+        {
+          base: "y",
+          chars: "\u24E8\uFF59\u1EF3\xFD\u0177\u1EF9\u0233\u1E8F\xFF\u1EF7\u1E99\u1EF5\u01B4\u024F\u1EFF"
+        },
+        {
+          base: "z",
+          chars: "\u24E9\uFF5A\u017A\u1E91\u017C\u017E\u1E93\u1E95\u01B6\u0225\u0240\u2C6C\uA763"
+        }
+      ];
+      var diacriticsMap = {};
+      for (i2 = 0; i2 < replacementList.length; i2 += 1) {
+        chars = replacementList[i2].chars;
+        for (j2 = 0; j2 < chars.length; j2 += 1) {
+          diacriticsMap[chars[j2]] = replacementList[i2].base;
+        }
+      }
+      var chars;
+      var j2;
+      var i2;
+      function removeDiacritics2(str2) {
+        return str2.replace(/[^\u0000-\u007e]/g, function(c) {
+          return diacriticsMap[c] || c;
+        });
+      }
+      exports2.replacementList = replacementList;
+      exports2.diacriticsMap = diacriticsMap;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/isArabic.js
+  var require_isArabic = __commonJS({
+    "node_modules/alif-toolkit/lib/isArabic.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var arabicBlocks = [
+        [1536, 1791],
+        [1872, 1919],
+        [2208, 2303],
+        [64336, 65023],
+        [65136, 65279],
+        [69216, 69247],
+        [126064, 126143],
+        [126464, 126719]
+        // Mathematical Alphabetic symbols https://www.unicode.org/charts/PDF/U1EE00.pdf
+      ];
+      function isArabic(char) {
+        if (char.length > 1) {
+          throw new Error("isArabic works on only one-character strings");
+        }
+        let code = char.charCodeAt(0);
+        for (let i2 = 0; i2 < arabicBlocks.length; i2++) {
+          let block2 = arabicBlocks[i2];
+          if (code >= block2[0] && code <= block2[1]) {
+            return true;
+          }
+        }
+        return false;
+      }
+      exports2.isArabic = isArabic;
+      function isMath(char) {
+        if (char.length > 2) {
+          throw new Error("isMath works on only one-character strings");
+        }
+        let code = char.charCodeAt(0);
+        return code >= 1632 && code <= 1644 || code >= 1776 && code <= 1785;
+      }
+      exports2.isMath = isMath;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/unicode-arabic.js
+  var require_unicode_arabic = __commonJS({
+    "node_modules/alif-toolkit/lib/unicode-arabic.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var arabicReference = {
+        "alef": {
+          "normal": [
+            "\u0627"
+          ],
+          "madda_above": {
+            "normal": [
+              "\u0627\u0653",
+              "\u0622"
+            ],
+            "isolated": "\uFE81",
+            "final": "\uFE82"
+          },
+          "hamza_above": {
+            "normal": [
+              "\u0627\u0654",
+              "\u0623"
+            ],
+            "isolated": "\uFE83",
+            "final": "\uFE84"
+          },
+          "hamza_below": {
+            "normal": [
+              "\u0627\u0655",
+              "\u0625"
+            ],
+            "isolated": "\uFE87",
+            "final": "\uFE88"
+          },
+          "wasla": {
+            "normal": "\u0671",
+            "isolated": "\uFB50",
+            "final": "\uFB51"
+          },
+          "wavy_hamza_above": [
+            "\u0672"
+          ],
+          "wavy_hamza_below": [
+            "\u0627\u065F",
+            "\u0673"
+          ],
+          "high_hamza": [
+            "\u0675",
+            "\u0627\u0674"
+          ],
+          "indic_two_above": [
+            "\u0773"
+          ],
+          "indic_three_above": [
+            "\u0774"
+          ],
+          "fathatan": {
+            "normal": [
+              "\u0627\u064B"
+            ],
+            "final": "\uFD3C",
+            "isolated": "\uFD3D"
+          },
+          "isolated": "\uFE8D",
+          "final": "\uFE8E"
+        },
+        "beh": {
+          "normal": [
+            "\u0628"
+          ],
+          "dotless": [
+            "\u066E"
+          ],
+          "three_dots_horizontally_below": [
+            "\u0750"
+          ],
+          "dot_below_three_dots_above": [
+            "\u0751"
+          ],
+          "three_dots_pointing_upwards_below": [
+            "\u0752"
+          ],
+          "three_dots_pointing_upwards_below_two_dots_above": [
+            "\u0753"
+          ],
+          "two_dots_below_dot_above": [
+            "\u0754"
+          ],
+          "inverted_small_v_below": [
+            "\u0755"
+          ],
+          "small_v": [
+            "\u0756"
+          ],
+          "small_v_below": [
+            "\u08A0"
+          ],
+          "hamza_above": [
+            "\u08A1"
+          ],
+          "small_meem_above": [
+            "\u08B6"
+          ],
+          "isolated": "\uFE8F",
+          "final": "\uFE90",
+          "initial": "\uFE91",
+          "medial": "\uFE92"
+        },
+        "teh marbuta": {
+          "normal": [
+            "\u0629"
+          ],
+          "isolated": "\uFE93",
+          "final": "\uFE94"
+        },
+        "teh": {
+          "normal": [
+            "\u062A"
+          ],
+          "ring": [
+            "\u067C"
+          ],
+          "three_dots_above_downwards": [
+            "\u067D"
+          ],
+          "small_teh_above": [
+            "\u08B8"
+          ],
+          "isolated": "\uFE95",
+          "final": "\uFE96",
+          "initial": "\uFE97",
+          "medial": "\uFE98"
+        },
+        "theh": {
+          "normal": [
+            "\u062B"
+          ],
+          "isolated": "\uFE99",
+          "final": "\uFE9A",
+          "initial": "\uFE9B",
+          "medial": "\uFE9C"
+        },
+        "jeem": {
+          "normal": [
+            "\u062C"
+          ],
+          "two_dots_above": [
+            "\u08A2"
+          ],
+          "isolated": "\uFE9D",
+          "final": "\uFE9E",
+          "initial": "\uFE9F",
+          "medial": "\uFEA0"
+        },
+        "hah": {
+          "normal": [
+            "\u062D"
+          ],
+          "hamza_above": [
+            "\u0681"
+          ],
+          "two_dots_vertical_above": [
+            "\u0682"
+          ],
+          "three_dots_above": [
+            "\u0685"
+          ],
+          "two_dots_above": [
+            "\u0757"
+          ],
+          "three_dots_pointing_upwards_below": [
+            "\u0758"
+          ],
+          "small_tah_below": [
+            "\u076E"
+          ],
+          "small_tah_two_dots": [
+            "\u076F"
+          ],
+          "small_tah_above": [
+            "\u0772"
+          ],
+          "indic_four_below": [
+            "\u077C"
+          ],
+          "isolated": "\uFEA1",
+          "final": "\uFEA2",
+          "initial": "\uFEA3",
+          "medial": "\uFEA4"
+        },
+        "khah": {
+          "normal": [
+            "\u062E"
+          ],
+          "isolated": "\uFEA5",
+          "final": "\uFEA6",
+          "initial": "\uFEA7",
+          "medial": "\uFEA8"
+        },
+        "dal": {
+          "normal": [
+            "\u062F"
+          ],
+          "ring": [
+            "\u0689"
+          ],
+          "dot_below": [
+            "\u068A"
+          ],
+          "dot_below_small_tah": [
+            "\u068B"
+          ],
+          "three_dots_above_downwards": [
+            "\u068F"
+          ],
+          "four_dots_above": [
+            "\u0690"
+          ],
+          "inverted_v": [
+            "\u06EE"
+          ],
+          "two_dots_vertically_below_small_tah": [
+            "\u0759"
+          ],
+          "inverted_small_v_below": [
+            "\u075A"
+          ],
+          "three_dots_below": [
+            "\u08AE"
+          ],
+          "isolated": "\uFEA9",
+          "final": "\uFEAA"
+        },
+        "thal": {
+          "normal": [
+            "\u0630"
+          ],
+          "isolated": "\uFEAB",
+          "final": "\uFEAC"
+        },
+        "reh": {
+          "normal": [
+            "\u0631"
+          ],
+          "small_v": [
+            "\u0692"
+          ],
+          "ring": [
+            "\u0693"
+          ],
+          "dot_below": [
+            "\u0694"
+          ],
+          "small_v_below": [
+            "\u0695"
+          ],
+          "dot_below_dot_above": [
+            "\u0696"
+          ],
+          "two_dots_above": [
+            "\u0697"
+          ],
+          "four_dots_above": [
+            "\u0699"
+          ],
+          "inverted_v": [
+            "\u06EF"
+          ],
+          "stroke": [
+            "\u075B"
+          ],
+          "two_dots_vertically_above": [
+            "\u076B"
+          ],
+          "hamza_above": [
+            "\u076C"
+          ],
+          "small_tah_two_dots": [
+            "\u0771"
+          ],
+          "loop": [
+            "\u08AA"
+          ],
+          "small_noon_above": [
+            "\u08B9"
+          ],
+          "isolated": "\uFEAD",
+          "final": "\uFEAE"
+        },
+        "zain": {
+          "normal": [
+            "\u0632"
+          ],
+          "inverted_v_above": [
+            "\u08B2"
+          ],
+          "isolated": "\uFEAF",
+          "final": "\uFEB0"
+        },
+        "seen": {
+          "normal": [
+            "\u0633"
+          ],
+          "dot_below_dot_above": [
+            "\u069A"
+          ],
+          "three_dots_below": [
+            "\u069B"
+          ],
+          "three_dots_below_three_dots_above": [
+            "\u069C"
+          ],
+          "four_dots_above": [
+            "\u075C"
+          ],
+          "two_dots_vertically_above": [
+            "\u076D"
+          ],
+          "small_tah_two_dots": [
+            "\u0770"
+          ],
+          "indic_four_above": [
+            "\u077D"
+          ],
+          "inverted_v": [
+            "\u077E"
+          ],
+          "isolated": "\uFEB1",
+          "final": "\uFEB2",
+          "initial": "\uFEB3",
+          "medial": "\uFEB4"
+        },
+        "sheen": {
+          "normal": [
+            "\u0634"
+          ],
+          "dot_below": [
+            "\u06FA"
+          ],
+          "isolated": "\uFEB5",
+          "final": "\uFEB6",
+          "initial": "\uFEB7",
+          "medial": "\uFEB8"
+        },
+        "sad": {
+          "normal": [
+            "\u0635"
+          ],
+          "two_dots_below": [
+            "\u069D"
+          ],
+          "three_dots_above": [
+            "\u069E"
+          ],
+          "three_dots_below": [
+            "\u08AF"
+          ],
+          "isolated": "\uFEB9",
+          "final": "\uFEBA",
+          "initial": "\uFEBB",
+          "medial": "\uFEBC"
+        },
+        "dad": {
+          "normal": [
+            "\u0636"
+          ],
+          "dot_below": [
+            "\u06FB"
+          ],
+          "isolated": "\uFEBD",
+          "final": "\uFEBE",
+          "initial": "\uFEBF",
+          "medial": "\uFEC0"
+        },
+        "tah": {
+          "normal": [
+            "\u0637"
+          ],
+          "three_dots_above": [
+            "\u069F"
+          ],
+          "two_dots_above": [
+            "\u08A3"
+          ],
+          "isolated": "\uFEC1",
+          "final": "\uFEC2",
+          "initial": "\uFEC3",
+          "medial": "\uFEC4"
+        },
+        "zah": {
+          "normal": [
+            "\u0638"
+          ],
+          "isolated": "\uFEC5",
+          "final": "\uFEC6",
+          "initial": "\uFEC7",
+          "medial": "\uFEC8"
+        },
+        "ain": {
+          "normal": [
+            "\u0639"
+          ],
+          "three_dots_above": [
+            "\u06A0"
+          ],
+          "two_dots_above": [
+            "\u075D"
+          ],
+          "three_dots_pointing_downwards_above": [
+            "\u075E"
+          ],
+          "two_dots_vertically_above": [
+            "\u075F"
+          ],
+          "three_dots_below": [
+            "\u08B3"
+          ],
+          "isolated": "\uFEC9",
+          "final": "\uFECA",
+          "initial": "\uFECB",
+          "medial": "\uFECC"
+        },
+        "ghain": {
+          "normal": [
+            "\u063A"
+          ],
+          "dot_below": [
+            "\u06FC"
+          ],
+          "isolated": "\uFECD",
+          "final": "\uFECE",
+          "initial": "\uFECF",
+          "medial": "\uFED0"
+        },
+        "feh": {
+          "normal": [
+            "\u0641"
+          ],
+          "dotless": [
+            "\u06A1"
+          ],
+          "dot_moved_below": [
+            "\u06A2"
+          ],
+          "dot_below": [
+            "\u06A3"
+          ],
+          "three_dots_below": [
+            "\u06A5"
+          ],
+          "two_dots_below": [
+            "\u0760"
+          ],
+          "three_dots_pointing_upwards_below": [
+            "\u0761"
+          ],
+          "dot_below_three_dots_above": [
+            "\u08A4"
+          ],
+          "isolated": "\uFED1",
+          "final": "\uFED2",
+          "initial": "\uFED3",
+          "medial": "\uFED4"
+        },
+        "qaf": {
+          "normal": [
+            "\u0642"
+          ],
+          "dotless": [
+            "\u066F"
+          ],
+          "dot_above": [
+            "\u06A7"
+          ],
+          "three_dots_above": [
+            "\u06A8"
+          ],
+          "dot_below": [
+            "\u08A5"
+          ],
+          "isolated": "\uFED5",
+          "final": "\uFED6",
+          "initial": "\uFED7",
+          "medial": "\uFED8"
+        },
+        "kaf": {
+          "normal": [
+            "\u0643"
+          ],
+          "swash": [
+            "\u06AA"
+          ],
+          "ring": [
+            "\u06AB"
+          ],
+          "dot_above": [
+            "\u06AC"
+          ],
+          "three_dots_below": [
+            "\u06AE"
+          ],
+          "two_dots_above": [
+            "\u077F"
+          ],
+          "dot_below": [
+            "\u08B4"
+          ],
+          "isolated": "\uFED9",
+          "final": "\uFEDA",
+          "initial": "\uFEDB",
+          "medial": "\uFEDC"
+        },
+        "lam": {
+          "normal": [
+            "\u0644"
+          ],
+          "small_v": [
+            "\u06B5"
+          ],
+          "dot_above": [
+            "\u06B6"
+          ],
+          "three_dots_above": [
+            "\u06B7"
+          ],
+          "three_dots_below": [
+            "\u06B8"
+          ],
+          "bar": [
+            "\u076A"
+          ],
+          "double_bar": [
+            "\u08A6"
+          ],
+          "isolated": "\uFEDD",
+          "final": "\uFEDE",
+          "initial": "\uFEDF",
+          "medial": "\uFEE0"
+        },
+        "meem": {
+          "normal": [
+            "\u0645"
+          ],
+          "dot_above": [
+            "\u0765"
+          ],
+          "dot_below": [
+            "\u0766"
+          ],
+          "three_dots_above": [
+            "\u08A7"
+          ],
+          "isolated": "\uFEE1",
+          "final": "\uFEE2",
+          "initial": "\uFEE3",
+          "medial": "\uFEE4"
+        },
+        "noon": {
+          "normal": [
+            "\u0646"
+          ],
+          "dot_below": [
+            "\u06B9"
+          ],
+          "ring": [
+            "\u06BC"
+          ],
+          "three_dots_above": [
+            "\u06BD"
+          ],
+          "two_dots_below": [
+            "\u0767"
+          ],
+          "small_tah": [
+            "\u0768"
+          ],
+          "small_v": [
+            "\u0769"
+          ],
+          "isolated": "\uFEE5",
+          "final": "\uFEE6",
+          "initial": "\uFEE7",
+          "medial": "\uFEE8"
+        },
+        "heh": {
+          "normal": [
+            "\u0647"
+          ],
+          "isolated": "\uFEE9",
+          "final": "\uFEEA",
+          "initial": "\uFEEB",
+          "medial": "\uFEEC"
+        },
+        "waw": {
+          "normal": [
+            "\u0648"
+          ],
+          "hamza_above": {
+            "normal": [
+              "\u0624",
+              "\u0648\u0654"
+            ],
+            "isolated": "\uFE85",
+            "final": "\uFE86"
+          },
+          "high_hamza": [
+            "\u0676",
+            "\u0648\u0674"
+          ],
+          "ring": [
+            "\u06C4"
+          ],
+          "two_dots_above": [
+            "\u06CA"
+          ],
+          "dot_above": [
+            "\u06CF"
+          ],
+          "indic_two_above": [
+            "\u0778"
+          ],
+          "indic_three_above": [
+            "\u0779"
+          ],
+          "dot_within": [
+            "\u08AB"
+          ],
+          "isolated": "\uFEED",
+          "final": "\uFEEE"
+        },
+        "alef_maksura": {
+          "normal": [
+            "\u0649"
+          ],
+          "hamza_above": [
+            "\u0626",
+            "\u064A\u0654"
+          ],
+          "initial": "\uFBE8",
+          "medial": "\uFBE9",
+          "isolated": "\uFEEF",
+          "final": "\uFEF0"
+        },
+        "yeh": {
+          "normal": [
+            "\u064A"
+          ],
+          "hamza_above": {
+            "normal": [
+              "\u0626",
+              "\u0649\u0654"
+            ],
+            "isolated": "\uFE89",
+            "final": "\uFE8A",
+            "initial": "\uFE8B",
+            "medial": "\uFE8C"
+          },
+          "two_dots_below_hamza_above": [
+            "\u08A8"
+          ],
+          "high_hamza": [
+            "\u0678",
+            "\u064A\u0674"
+          ],
+          "tail": [
+            "\u06CD"
+          ],
+          "small_v": [
+            "\u06CE"
+          ],
+          "three_dots_below": [
+            "\u06D1"
+          ],
+          "two_dots_below_dot_above": [
+            "\u08A9"
+          ],
+          "two_dots_below_small_noon_above": [
+            "\u08BA"
+          ],
+          "isolated": "\uFEF1",
+          "final": "\uFEF2",
+          "initial": "\uFEF3",
+          "medial": "\uFEF4"
+        },
+        "tteh": {
+          "normal": [
+            "\u0679"
+          ],
+          "isolated": "\uFB66",
+          "final": "\uFB67",
+          "initial": "\uFB68",
+          "medial": "\uFB69"
+        },
+        "tteheh": {
+          "normal": [
+            "\u067A"
+          ],
+          "isolated": "\uFB5E",
+          "final": "\uFB5F",
+          "initial": "\uFB60",
+          "medial": "\uFB61"
+        },
+        "beeh": {
+          "normal": [
+            "\u067B"
+          ],
+          "isolated": "\uFB52",
+          "final": "\uFB53",
+          "initial": "\uFB54",
+          "medial": "\uFB55"
+        },
+        "peh": {
+          "normal": [
+            "\u067E"
+          ],
+          "small_meem_above": [
+            "\u08B7"
+          ],
+          "isolated": "\uFB56",
+          "final": "\uFB57",
+          "initial": "\uFB58",
+          "medial": "\uFB59"
+        },
+        "teheh": {
+          "normal": [
+            "\u067F"
+          ],
+          "isolated": "\uFB62",
+          "final": "\uFB63",
+          "initial": "\uFB64",
+          "medial": "\uFB65"
+        },
+        "beheh": {
+          "normal": [
+            "\u0680"
+          ],
+          "isolated": "\uFB5A",
+          "final": "\uFB5B",
+          "initial": "\uFB5C",
+          "medial": "\uFB5D"
+        },
+        "nyeh": {
+          "normal": [
+            "\u0683"
+          ],
+          "isolated": "\uFB76",
+          "final": "\uFB77",
+          "initial": "\uFB78",
+          "medial": "\uFB79"
+        },
+        "dyeh": {
+          "normal": [
+            "\u0684"
+          ],
+          "isolated": "\uFB72",
+          "final": "\uFB73",
+          "initial": "\uFB74",
+          "medial": "\uFB75"
+        },
+        "tcheh": {
+          "normal": [
+            "\u0686"
+          ],
+          "dot_above": [
+            "\u06BF"
+          ],
+          "isolated": "\uFB7A",
+          "final": "\uFB7B",
+          "initial": "\uFB7C",
+          "medial": "\uFB7D"
+        },
+        "tcheheh": {
+          "normal": [
+            "\u0687"
+          ],
+          "isolated": "\uFB7E",
+          "final": "\uFB7F",
+          "initial": "\uFB80",
+          "medial": "\uFB81"
+        },
+        "ddal": {
+          "normal": [
+            "\u0688"
+          ],
+          "isolated": "\uFB88",
+          "final": "\uFB89"
+        },
+        "dahal": {
+          "normal": [
+            "\u068C"
+          ],
+          "isolated": "\uFB84",
+          "final": "\uFB85"
+        },
+        "ddahal": {
+          "normal": [
+            "\u068D"
+          ],
+          "isolated": "\uFB82",
+          "final": "\uFB83"
+        },
+        "dul": {
+          "normal": [
+            "\u068F",
+            "\u068E"
+          ],
+          "isolated": "\uFB86",
+          "final": "\uFB87"
+        },
+        "rreh": {
+          "normal": [
+            "\u0691"
+          ],
+          "isolated": "\uFB8C",
+          "final": "\uFB8D"
+        },
+        "jeh": {
+          "normal": [
+            "\u0698"
+          ],
+          "isolated": "\uFB8A",
+          "final": "\uFB8B"
+        },
+        "veh": {
+          "normal": [
+            "\u06A4"
+          ],
+          "isolated": "\uFB6A",
+          "final": "\uFB6B",
+          "initial": "\uFB6C",
+          "medial": "\uFB6D"
+        },
+        "peheh": {
+          "normal": [
+            "\u06A6"
+          ],
+          "isolated": "\uFB6E",
+          "final": "\uFB6F",
+          "initial": "\uFB70",
+          "medial": "\uFB71"
+        },
+        "keheh": {
+          "normal": [
+            "\u06A9"
+          ],
+          "dot_above": [
+            "\u0762"
+          ],
+          "three_dots_above": [
+            "\u0763"
+          ],
+          "three_dots_pointing_upwards_below": [
+            "\u0764"
+          ],
+          "isolated": "\uFB8E",
+          "final": "\uFB8F",
+          "initial": "\uFB90",
+          "medial": "\uFB91"
+        },
+        "ng": {
+          "normal": [
+            "\u06AD"
+          ],
+          "isolated": "\uFBD3",
+          "final": "\uFBD4",
+          "initial": "\uFBD5",
+          "medial": "\uFBD6"
+        },
+        "gaf": {
+          "normal": [
+            "\u06AF"
+          ],
+          "ring": [
+            "\u06B0"
+          ],
+          "two_dots_below": [
+            "\u06B2"
+          ],
+          "three_dots_above": [
+            "\u06B4"
+          ],
+          "inverted_stroke": [
+            "\u08B0"
+          ],
+          "isolated": "\uFB92",
+          "final": "\uFB93",
+          "initial": "\uFB94",
+          "medial": "\uFB95"
+        },
+        "ngoeh": {
+          "normal": [
+            "\u06B1"
+          ],
+          "isolated": "\uFB9A",
+          "final": "\uFB9B",
+          "initial": "\uFB9C",
+          "medial": "\uFB9D"
+        },
+        "gueh": {
+          "normal": [
+            "\u06B3"
+          ],
+          "isolated": "\uFB96",
+          "final": "\uFB97",
+          "initial": "\uFB98",
+          "medial": "\uFB99"
+        },
+        "noon ghunna": {
+          "normal": [
+            "\u06BA"
+          ],
+          "isolated": "\uFB9E",
+          "final": "\uFB9F"
+        },
+        "rnoon": {
+          "normal": [
+            "\u06BB"
+          ],
+          "isolated": "\uFBA0",
+          "final": "\uFBA1",
+          "initial": "\uFBA2",
+          "medial": "\uFBA3"
+        },
+        "heh doachashmee": {
+          "normal": [
+            "\u06BE"
+          ],
+          "isolated": "\uFBAA",
+          "final": "\uFBAB",
+          "initial": "\uFBAC",
+          "medial": "\uFBAD"
+        },
+        "heh goal": {
+          "normal": [
+            "\u06C1"
+          ],
+          "hamza_above": [
+            "\u06C1\u0654",
+            "\u06C2"
+          ],
+          "isolated": "\uFBA6",
+          "final": "\uFBA7",
+          "initial": "\uFBA8",
+          "medial": "\uFBA9"
+        },
+        "teh marbuta goal": {
+          "normal": [
+            "\u06C3"
+          ]
+        },
+        "kirghiz oe": {
+          "normal": [
+            "\u06C5"
+          ],
+          "isolated": "\uFBE0",
+          "final": "\uFBE1"
+        },
+        "oe": {
+          "normal": [
+            "\u06C6"
+          ],
+          "isolated": "\uFBD9",
+          "final": "\uFBDA"
+        },
+        "u": {
+          "normal": [
+            "\u06C7"
+          ],
+          "hamza_above": {
+            "normal": [
+              "\u0677",
+              "\u06C7\u0674"
+            ],
+            "isolated": "\uFBDD"
+          },
+          "isolated": "\uFBD7",
+          "final": "\uFBD8"
+        },
+        "yu": {
+          "normal": [
+            "\u06C8"
+          ],
+          "isolated": "\uFBDB",
+          "final": "\uFBDC"
+        },
+        "kirghiz yu": {
+          "normal": [
+            "\u06C9"
+          ],
+          "isolated": "\uFBE2",
+          "final": "\uFBE3"
+        },
+        "ve": {
+          "normal": [
+            "\u06CB"
+          ],
+          "isolated": "\uFBDE",
+          "final": "\uFBDF"
+        },
+        "farsi yeh": {
+          "normal": [
+            "\u06CC"
+          ],
+          "indic_two_above": [
+            "\u0775"
+          ],
+          "indic_three_above": [
+            "\u0776"
+          ],
+          "indic_four_above": [
+            "\u0777"
+          ],
+          "isolated": "\uFBFC",
+          "final": "\uFBFD",
+          "initial": "\uFBFE",
+          "medial": "\uFBFF"
+        },
+        "e": {
+          "normal": [
+            "\u06D0"
+          ],
+          "isolated": "\uFBE4",
+          "final": "\uFBE5",
+          "initial": "\uFBE6",
+          "medial": "\uFBE7"
+        },
+        "yeh barree": {
+          "normal": [
+            "\u06D2"
+          ],
+          "hamza_above": {
+            "normal": [
+              "\u06D2\u0654",
+              "\u06D3"
+            ],
+            "isolated": "\uFBB0",
+            "final": "\uFBB1"
+          },
+          "indic_two_above": [
+            "\u077A"
+          ],
+          "indic_three_above": [
+            "\u077B"
+          ],
+          "isolated": "\uFBAE",
+          "final": "\uFBAF"
+        },
+        "ae": {
+          "normal": [
+            "\u06D5"
+          ],
+          "isolated": "\u06D5",
+          "final": "\uFEEA",
+          "yeh_above": {
+            "normal": [
+              "\u06C0",
+              "\u06D5\u0654"
+            ],
+            "isolated": "\uFBA4",
+            "final": "\uFBA5"
+          }
+        },
+        "rohingya yeh": {
+          "normal": [
+            "\u08AC"
+          ]
+        },
+        "low alef": {
+          "normal": [
+            "\u08AD"
+          ]
+        },
+        "straight waw": {
+          "normal": [
+            "\u08B1"
+          ]
+        },
+        "african feh": {
+          "normal": [
+            "\u08BB"
+          ]
+        },
+        "african qaf": {
+          "normal": [
+            "\u08BC"
+          ]
+        },
+        "african noon": {
+          "normal": [
+            "\u08BD"
+          ]
+        }
+      };
+      exports2.default = arabicReference;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/unicode-ligatures.js
+  var require_unicode_ligatures = __commonJS({
+    "node_modules/alif-toolkit/lib/unicode-ligatures.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var ligatureReference = {
+        "\u0626\u0627": {
+          "isolated": "\uFBEA",
+          "final": "\uFBEB"
+        },
+        "\u0626\u06D5": {
+          "isolated": "\uFBEC",
+          "final": "\uFBED"
+        },
+        "\u0626\u0648": {
+          "isolated": "\uFBEE",
+          "final": "\uFBEF"
+        },
+        "\u0626\u06C7": {
+          "isolated": "\uFBF0",
+          "final": "\uFBF1"
+        },
+        "\u0626\u06C6": {
+          "isolated": "\uFBF2",
+          "final": "\uFBF3"
+        },
+        "\u0626\u06C8": {
+          "isolated": "\uFBF4",
+          "final": "\uFBF5"
+        },
+        "\u0626\u06D0": {
+          "isolated": "\uFBF6",
+          "final": "\uFBF7",
+          "initial": "\uFBF8"
+        },
+        "\u0626\u0649": {
+          "uighur_kirghiz": {
+            "isolated": "\uFBF9",
+            "final": "\uFBFA",
+            "initial": "\uFBFB"
+          },
+          "isolated": "\uFC03",
+          "final": "\uFC68"
+        },
+        "\u0626\u062C": {
+          "isolated": "\uFC00",
+          "initial": "\uFC97"
+        },
+        "\u0626\u062D": {
+          "isolated": "\uFC01",
+          "initial": "\uFC98"
+        },
+        "\u0626\u0645": {
+          "isolated": "\uFC02",
+          "final": "\uFC66",
+          "initial": "\uFC9A",
+          "medial": "\uFCDF"
+        },
+        "\u0626\u064A": {
+          "isolated": "\uFC04",
+          "final": "\uFC69"
+        },
+        "\u0628\u062C": {
+          "isolated": "\uFC05",
+          "initial": "\uFC9C"
+        },
+        "\u0628\u062D": {
+          "isolated": "\uFC06",
+          "initial": "\uFC9D"
+        },
+        "\u0628\u062E": {
+          "isolated": "\uFC07",
+          "initial": "\uFC9E"
+        },
+        "\u0628\u0645": {
+          "isolated": "\uFC08",
+          "final": "\uFC6C",
+          "initial": "\uFC9F",
+          "medial": "\uFCE1"
+        },
+        "\u0628\u0649": {
+          "isolated": "\uFC09",
+          "final": "\uFC6E"
+        },
+        "\u0628\u064A": {
+          "isolated": "\uFC0A",
+          "final": "\uFC6F"
+        },
+        "\u062A\u062C": {
+          "isolated": "\uFC0B",
+          "initial": "\uFCA1"
+        },
+        "\u062A\u062D": {
+          "isolated": "\uFC0C",
+          "initial": "\uFCA2"
+        },
+        "\u062A\u062E": {
+          "isolated": "\uFC0D",
+          "initial": "\uFCA3"
+        },
+        "\u062A\u0645": {
+          "isolated": "\uFC0E",
+          "final": "\uFC72",
+          "initial": "\uFCA4",
+          "medial": "\uFCE3"
+        },
+        "\u062A\u0649": {
+          "isolated": "\uFC0F",
+          "final": "\uFC74"
+        },
+        "\u062A\u064A": {
+          "isolated": "\uFC10",
+          "final": "\uFC75"
+        },
+        "\u062B\u062C": {
+          "isolated": "\uFC11"
+        },
+        "\u062B\u0645": {
+          "isolated": "\uFC12",
+          "final": "\uFC78",
+          "initial": "\uFCA6",
+          "medial": "\uFCE5"
+        },
+        "\u062B\u0649": {
+          "isolated": "\uFC13",
+          "final": "\uFC7A"
+        },
+        "\u062B\u0648": {
+          "isolated": "\uFC14"
+        },
+        "\u062C\u062D": {
+          "isolated": "\uFC15",
+          "initial": "\uFCA7"
+        },
+        "\u062C\u0645": {
+          "isolated": "\uFC16",
+          "initial": "\uFCA8"
+        },
+        "\u062D\u062C": {
+          "isolated": "\uFC17",
+          "initial": "\uFCA9"
+        },
+        "\u062D\u0645": {
+          "isolated": "\uFC18",
+          "initial": "\uFCAA"
+        },
+        "\u062E\u062C": {
+          "isolated": "\uFC19",
+          "initial": "\uFCAB"
+        },
+        "\u062E\u062D": {
+          "isolated": "\uFC1A"
+        },
+        "\u062E\u0645": {
+          "isolated": "\uFC1B",
+          "initial": "\uFCAC"
+        },
+        "\u0633\u062C": {
+          "isolated": "\uFC1C",
+          "initial": "\uFCAD",
+          "medial": "\uFD34"
+        },
+        "\u0633\u062D": {
+          "isolated": "\uFC1D",
+          "initial": "\uFCAE",
+          "medial": "\uFD35"
+        },
+        "\u0633\u062E": {
+          "isolated": "\uFC1E",
+          "initial": "\uFCAF",
+          "medial": "\uFD36"
+        },
+        "\u0633\u0645": {
+          "isolated": "\uFC1F",
+          "initial": "\uFCB0",
+          "medial": "\uFCE7"
+        },
+        "\u0635\u062D": {
+          "isolated": "\uFC20",
+          "initial": "\uFCB1"
+        },
+        "\u0635\u0645": {
+          "isolated": "\uFC21",
+          "initial": "\uFCB3"
+        },
+        "\u0636\u062C": {
+          "isolated": "\uFC22",
+          "initial": "\uFCB4"
+        },
+        "\u0636\u062D": {
+          "isolated": "\uFC23",
+          "initial": "\uFCB5"
+        },
+        "\u0636\u062E": {
+          "isolated": "\uFC24",
+          "initial": "\uFCB6"
+        },
+        "\u0636\u0645": {
+          "isolated": "\uFC25",
+          "initial": "\uFCB7"
+        },
+        "\u0637\u062D": {
+          "isolated": "\uFC26",
+          "initial": "\uFCB8"
+        },
+        "\u0637\u0645": {
+          "isolated": "\uFC27",
+          "initial": "\uFD33",
+          "medial": "\uFD3A"
+        },
+        "\u0638\u0645": {
+          "isolated": "\uFC28",
+          "initial": "\uFCB9",
+          "medial": "\uFD3B"
+        },
+        "\u0639\u062C": {
+          "isolated": "\uFC29",
+          "initial": "\uFCBA"
+        },
+        "\u0639\u0645": {
+          "isolated": "\uFC2A",
+          "initial": "\uFCBB"
+        },
+        "\u063A\u062C": {
+          "isolated": "\uFC2B",
+          "initial": "\uFCBC"
+        },
+        "\u063A\u0645": {
+          "isolated": "\uFC2C",
+          "initial": "\uFCBD"
+        },
+        "\u0641\u062C": {
+          "isolated": "\uFC2D",
+          "initial": "\uFCBE"
+        },
+        "\u0641\u062D": {
+          "isolated": "\uFC2E",
+          "initial": "\uFCBF"
+        },
+        "\u0641\u062E": {
+          "isolated": "\uFC2F",
+          "initial": "\uFCC0"
+        },
+        "\u0641\u0645": {
+          "isolated": "\uFC30",
+          "initial": "\uFCC1"
+        },
+        "\u0641\u0649": {
+          "isolated": "\uFC31",
+          "final": "\uFC7C"
+        },
+        "\u0641\u064A": {
+          "isolated": "\uFC32",
+          "final": "\uFC7D"
+        },
+        "\u0642\u062D": {
+          "isolated": "\uFC33",
+          "initial": "\uFCC2"
+        },
+        "\u0642\u0645": {
+          "isolated": "\uFC34",
+          "initial": "\uFCC3"
+        },
+        "\u0642\u0649": {
+          "isolated": "\uFC35",
+          "final": "\uFC7E"
+        },
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+        "\u0645\u062C\u064A": {
+          "final": "\uFDC0"
+        },
+        "\u0641\u0645\u064A": {
+          "final": "\uFDC1"
+        },
+        "\u0628\u062D\u064A": {
+          "final": "\uFDC2"
+        },
+        "\u0633\u062E\u064A": {
+          "final": "\uFDC6"
+        },
+        "\u0646\u062C\u064A": {
+          "final": "\uFDC7"
+        },
+        "\u0644\u0622": {
+          "isolated": "\uFEF5",
+          "final": "\uFEF6"
+        },
+        "\u0644\u0623": {
+          "isolated": "\uFEF7",
+          "final": "\uFEF8"
+        },
+        "\u0644\u0625": {
+          "isolated": "\uFEF9",
+          "final": "\uFEFA"
+        },
+        "\u0644\u0627": {
+          "isolated": "\uFEFB",
+          "final": "\uFEFC"
+        },
+        "words": {
+          "\u0635\u0644\u06D2": "\uFDF0",
+          "\u0642\u0644\u06D2": "\uFDF1",
+          "\u0627\u0644\u0644\u0647": "\uFDF2",
+          "\u0627\u0643\u0628\u0631": "\uFDF3",
+          "\u0645\u062D\u0645\u062F": "\uFDF4",
+          "\u0635\u0644\u0639\u0645": "\uFDF5",
+          "\u0631\u0633\u0648\u0644": "\uFDF6",
+          "\u0639\u0644\u064A\u0647": "\uFDF7",
+          "\u0648\u0633\u0644\u0645": "\uFDF8",
+          "\u0635\u0644\u0649": "\uFDF9",
+          "\u0635\u0644\u0649\u0627\u0644\u0644\u0647\u0639\u0644\u064A\u0647\u0648\u0633\u0644\u0645": "\uFDFA",
+          "\u062C\u0644\u062C\u0644\u0627\u0644\u0647": "\uFDFB",
+          "\u0631\u06CC\u0627\u0644": "\uFDFC"
+        }
+      };
+      exports2.default = ligatureReference;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/reference.js
+  var require_reference = __commonJS({
+    "node_modules/alif-toolkit/lib/reference.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var unicode_arabic_1 = require_unicode_arabic();
+      var unicode_ligatures_1 = require_unicode_ligatures();
+      var letterList = Object.keys(unicode_arabic_1.default);
+      exports2.letterList = letterList;
+      var ligatureList = Object.keys(unicode_ligatures_1.default);
+      exports2.ligatureList = ligatureList;
+      var ligatureWordList = Object.keys(unicode_ligatures_1.default.words);
+      exports2.ligatureWordList = ligatureWordList;
+      var lams = "\u0644\u06B5\u06B6\u06B7\u06B8";
+      exports2.lams = lams;
+      var alefs = "\u0627\u0622\u0623\u0625\u0671\u0672\u0673\u0675\u0773\u0774";
+      exports2.alefs = alefs;
+      var tashkeel = "\u0605\u0640\u0670\u0674\u06DF\u06E7\u06E8";
+      exports2.tashkeel = tashkeel;
+      function addToTashkeel(start2, finish) {
+        for (var i2 = start2; i2 <= finish; i2++) {
+          exports2.tashkeel = tashkeel += String.fromCharCode(i2);
+        }
+      }
+      addToTashkeel(1552, 1562);
+      addToTashkeel(1611, 1631);
+      addToTashkeel(1750, 1756);
+      addToTashkeel(1760, 1764);
+      addToTashkeel(1770, 1773);
+      addToTashkeel(2259, 2273);
+      addToTashkeel(2275, 2303);
+      addToTashkeel(65136, 65151);
+      var lineBreakers = "\u0627\u0629\u0648\u06C0\u06CF\u06FD\u06FE\u076B\u076C\u0771\u0773\u0774\u0778\u0779\u08E2\u08B1\u08B2\u08B9";
+      exports2.lineBreakers = lineBreakers;
+      function addToLineBreakers(start2, finish) {
+        for (var i2 = start2; i2 <= finish; i2++) {
+          exports2.lineBreakers = lineBreakers += String.fromCharCode(i2);
+        }
+      }
+      addToLineBreakers(1536, 1567);
+      addToLineBreakers(1569, 1573);
+      addToLineBreakers(1583, 1586);
+      addToLineBreakers(1632, 1645);
+      addToLineBreakers(1649, 1655);
+      addToLineBreakers(1672, 1689);
+      addToLineBreakers(1731, 1739);
+      addToLineBreakers(1746, 1785);
+      addToLineBreakers(1881, 1883);
+      addToLineBreakers(2218, 2222);
+      addToLineBreakers(64336, 65021);
+      addToLineBreakers(65152, 65276);
+      addToLineBreakers(69216, 69247);
+      addToLineBreakers(126064, 126143);
+      addToLineBreakers(126464, 126719);
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/GlyphSplitter.js
+  var require_GlyphSplitter = __commonJS({
+    "node_modules/alif-toolkit/lib/GlyphSplitter.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var isArabic_1 = require_isArabic();
+      var reference_1 = require_reference();
+      function GlyphSplitter(word) {
+        let letters = [];
+        let lastLetter = "";
+        word.split("").forEach((letter) => {
+          if (isArabic_1.isArabic(letter)) {
+            if (reference_1.tashkeel.indexOf(letter) > -1) {
+              letters[letters.length - 1] += letter;
+            } else if (lastLetter.length && (reference_1.lams.indexOf(lastLetter) === 0 && reference_1.alefs.indexOf(letter) > -1 || reference_1.lams.indexOf(lastLetter) > 0 && reference_1.alefs.indexOf(letter) === 0)) {
+              letters[letters.length - 1] += letter;
+            } else {
+              letters.push(letter);
+            }
+          } else {
+            letters.push(letter);
+          }
+          if (reference_1.tashkeel.indexOf(letter) === -1) {
+            lastLetter = letter;
+          }
+        });
+        return letters;
+      }
+      exports2.GlyphSplitter = GlyphSplitter;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/BaselineSplitter.js
+  var require_BaselineSplitter = __commonJS({
+    "node_modules/alif-toolkit/lib/BaselineSplitter.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var isArabic_1 = require_isArabic();
+      var reference_1 = require_reference();
+      function BaselineSplitter(word) {
+        let letters = [];
+        let lastLetter = "";
+        word.split("").forEach((letter) => {
+          if (isArabic_1.isArabic(letter) && isArabic_1.isArabic(lastLetter)) {
+            if (lastLetter.length && reference_1.tashkeel.indexOf(letter) > -1) {
+              letters[letters.length - 1] += letter;
+            } else if (reference_1.lineBreakers.indexOf(lastLetter) > -1) {
+              letters.push(letter);
+            } else {
+              letters[letters.length - 1] += letter;
+            }
+          } else {
+            letters.push(letter);
+          }
+          if (reference_1.tashkeel.indexOf(letter) === -1) {
+            lastLetter = letter;
+          }
+        });
+        return letters;
+      }
+      exports2.BaselineSplitter = BaselineSplitter;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/Normalization.js
+  var require_Normalization = __commonJS({
+    "node_modules/alif-toolkit/lib/Normalization.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var unicode_arabic_1 = require_unicode_arabic();
+      var unicode_ligatures_1 = require_unicode_ligatures();
+      var isArabic_1 = require_isArabic();
+      var reference_1 = require_reference();
+      function Normal(word, breakPresentationForm) {
+        if (typeof breakPresentationForm === "undefined") {
+          breakPresentationForm = true;
+        }
+        let returnable = "";
+        word.split("").forEach((letter) => {
+          if (!isArabic_1.isArabic(letter)) {
+            returnable += letter;
+            return;
+          }
+          for (let w = 0; w < reference_1.letterList.length; w++) {
+            let letterForms = unicode_arabic_1.default[reference_1.letterList[w]];
+            let versions = Object.keys(letterForms);
+            for (let v = 0; v < versions.length; v++) {
+              let localVersion = letterForms[versions[v]];
+              if (typeof localVersion === "object" && typeof localVersion.indexOf === "undefined") {
+                let embeddedForms = Object.keys(localVersion);
+                for (let ef = 0; ef < embeddedForms.length; ef++) {
+                  let form = localVersion[embeddedForms[ef]];
+                  if (form === letter || typeof form === "object" && form.indexOf && form.indexOf(letter) > -1) {
+                    if (form === letter) {
+                      if (breakPresentationForm && localVersion["normal"] && ["isolated", "initial", "medial", "final"].indexOf(embeddedForms[ef]) > -1) {
+                        if (typeof localVersion["normal"] === "object") {
+                          returnable += localVersion["normal"][0];
+                        } else {
+                          returnable += localVersion["normal"];
+                        }
+                        return;
+                      }
+                      returnable += letter;
+                      return;
+                    } else if (typeof form === "object" && form.indexOf && form.indexOf(letter) > -1) {
+                      returnable += form[0];
+                      return;
+                    }
+                  }
+                }
+              } else if (localVersion === letter) {
+                if (breakPresentationForm && letterForms["normal"] && ["isolated", "initial", "medial", "final"].indexOf(versions[v]) > -1) {
+                  if (typeof letterForms["normal"] === "object") {
+                    returnable += letterForms["normal"][0];
+                  } else {
+                    returnable += letterForms["normal"];
+                  }
+                  return;
+                }
+                returnable += letter;
+                return;
+              } else if (typeof localVersion === "object" && localVersion.indexOf && localVersion.indexOf(letter) > -1) {
+                returnable += localVersion[0];
+                return;
+              }
+            }
+          }
+          for (let v2 = 0; v2 < reference_1.ligatureList.length; v2++) {
+            let normalForm = reference_1.ligatureList[v2];
+            if (normalForm !== "words") {
+              let ligForms = Object.keys(unicode_ligatures_1.default[normalForm]);
+              for (let f2 = 0; f2 < ligForms.length; f2++) {
+                if (unicode_ligatures_1.default[normalForm][ligForms[f2]] === letter) {
+                  returnable += normalForm;
+                  return;
+                }
+              }
+            }
+          }
+          for (let v3 = 0; v3 < reference_1.ligatureWordList.length; v3++) {
+            let normalForm = reference_1.ligatureWordList[v3];
+            if (unicode_ligatures_1.default.words[normalForm] === letter) {
+              returnable += normalForm;
+              return;
+            }
+          }
+          returnable += letter;
+        });
+        return returnable;
+      }
+      exports2.Normal = Normal;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/CharShaper.js
+  var require_CharShaper = __commonJS({
+    "node_modules/alif-toolkit/lib/CharShaper.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var unicode_arabic_1 = require_unicode_arabic();
+      var isArabic_1 = require_isArabic();
+      var reference_1 = require_reference();
+      function CharShaper(letter, form) {
+        if (!isArabic_1.isArabic(letter)) {
+          throw new Error("Not Arabic");
+        }
+        if (letter === "\u0621") {
+          return "\u0621";
+        }
+        for (let w = 0; w < reference_1.letterList.length; w++) {
+          let letterForms = unicode_arabic_1.default[reference_1.letterList[w]];
+          let versions = Object.keys(letterForms);
+          for (let v = 0; v < versions.length; v++) {
+            let localVersion = letterForms[versions[v]];
+            if (localVersion === letter || typeof localVersion === "object" && localVersion.indexOf && localVersion.indexOf(letter) > -1) {
+              if (versions.indexOf(form) > -1) {
+                return letterForms[form];
+              }
+            } else if (typeof localVersion === "object" && typeof localVersion.indexOf === "undefined") {
+              let embeddedVersions = Object.keys(localVersion);
+              for (let ev = 0; ev < embeddedVersions.length; ev++) {
+                if (localVersion[embeddedVersions[ev]] === letter || typeof localVersion[embeddedVersions[ev]] === "object" && localVersion[embeddedVersions[ev]].indexOf && localVersion[embeddedVersions[ev]].indexOf(letter) > -1) {
+                  if (embeddedVersions.indexOf(form) > -1) {
+                    return localVersion[form];
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+      exports2.CharShaper = CharShaper;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/WordShaper.js
+  var require_WordShaper = __commonJS({
+    "node_modules/alif-toolkit/lib/WordShaper.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var isArabic_1 = require_isArabic();
+      var reference_1 = require_reference();
+      var CharShaper_1 = require_CharShaper();
+      var unicode_ligatures_1 = require_unicode_ligatures();
+      function WordShaper2(word) {
+        let state = "initial";
+        let output = "";
+        for (let w = 0; w < word.length; w++) {
+          let nextLetter = " ";
+          for (let nxw = w + 1; nxw < word.length; nxw++) {
+            if (!isArabic_1.isArabic(word[nxw])) {
+              break;
+            }
+            if (reference_1.tashkeel.indexOf(word[nxw]) === -1) {
+              nextLetter = word[nxw];
+              break;
+            }
+          }
+          if (!isArabic_1.isArabic(word[w]) || isArabic_1.isMath(word[w])) {
+            output += word[w];
+            state = "initial";
+          } else if (reference_1.tashkeel.indexOf(word[w]) > -1) {
+            output += word[w];
+          } else if (nextLetter === " " || reference_1.lineBreakers.indexOf(word[w]) > -1) {
+            output += CharShaper_1.CharShaper(word[w], state === "initial" ? "isolated" : "final");
+            state = "initial";
+          } else if (reference_1.lams.indexOf(word[w]) > -1 && reference_1.alefs.indexOf(nextLetter) > -1) {
+            output += unicode_ligatures_1.default[word[w] + nextLetter][state === "initial" ? "isolated" : "final"];
+            while (word[w] !== nextLetter) {
+              w++;
+            }
+            state = "initial";
+          } else {
+            output += CharShaper_1.CharShaper(word[w], state);
+            state = "medial";
+          }
+        }
+        return output;
+      }
+      exports2.WordShaper = WordShaper2;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/ParentLetter.js
+  var require_ParentLetter = __commonJS({
+    "node_modules/alif-toolkit/lib/ParentLetter.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var unicode_arabic_1 = require_unicode_arabic();
+      var isArabic_1 = require_isArabic();
+      var reference_1 = require_reference();
+      function ParentLetter(letter) {
+        if (!isArabic_1.isArabic(letter)) {
+          throw new Error("Not an Arabic letter");
+        }
+        for (let w = 0; w < reference_1.letterList.length; w++) {
+          let letterForms = unicode_arabic_1.default[reference_1.letterList[w]];
+          let versions = Object.keys(letterForms);
+          for (let v = 0; v < versions.length; v++) {
+            let localVersion = letterForms[versions[v]];
+            if (typeof localVersion === "object" && typeof localVersion.indexOf === "undefined") {
+              let embeddedForms = Object.keys(localVersion);
+              for (let ef = 0; ef < embeddedForms.length; ef++) {
+                let form = localVersion[embeddedForms[ef]];
+                if (form === letter || typeof form === "object" && form.indexOf && form.indexOf(letter) > -1) {
+                  return localVersion;
+                }
+              }
+            } else if (localVersion === letter || typeof localVersion === "object" && localVersion.indexOf && localVersion.indexOf(letter) > -1) {
+              return letterForms;
+            }
+          }
+          return null;
+        }
+      }
+      exports2.ParentLetter = ParentLetter;
+      function GrandparentLetter(letter) {
+        if (!isArabic_1.isArabic(letter)) {
+          throw new Error("Not an Arabic letter");
+        }
+        for (let w = 0; w < reference_1.letterList.length; w++) {
+          let letterForms = unicode_arabic_1.default[reference_1.letterList[w]];
+          let versions = Object.keys(letterForms);
+          for (let v = 0; v < versions.length; v++) {
+            let localVersion = letterForms[versions[v]];
+            if (typeof localVersion === "object" && typeof localVersion.indexOf === "undefined") {
+              let embeddedForms = Object.keys(localVersion);
+              for (let ef = 0; ef < embeddedForms.length; ef++) {
+                let form = localVersion[embeddedForms[ef]];
+                if (form === letter || typeof form === "object" && form.indexOf && form.indexOf(letter) > -1) {
+                  return letterForms;
+                }
+              }
+            } else if (localVersion === letter || typeof localVersion === "object" && localVersion.indexOf && localVersion.indexOf(letter) > -1) {
+              return letterForms;
+            }
+          }
+          return null;
+        }
+      }
+      exports2.GrandparentLetter = GrandparentLetter;
+    }
+  });
+
+  // node_modules/alif-toolkit/lib/index.js
+  var require_lib = __commonJS({
+    "node_modules/alif-toolkit/lib/index.js"(exports2) {
+      "use strict";
+      Object.defineProperty(exports2, "__esModule", { value: true });
+      var isArabic_1 = require_isArabic();
+      exports2.isArabic = isArabic_1.isArabic;
+      var GlyphSplitter_1 = require_GlyphSplitter();
+      exports2.GlyphSplitter = GlyphSplitter_1.GlyphSplitter;
+      var BaselineSplitter_1 = require_BaselineSplitter();
+      exports2.BaselineSplitter = BaselineSplitter_1.BaselineSplitter;
+      var Normalization_1 = require_Normalization();
+      exports2.Normal = Normalization_1.Normal;
+      var CharShaper_1 = require_CharShaper();
+      exports2.CharShaper = CharShaper_1.CharShaper;
+      var WordShaper_1 = require_WordShaper();
+      exports2.WordShaper = WordShaper_1.WordShaper;
+      var ParentLetter_1 = require_ParentLetter();
+      exports2.ParentLetter = ParentLetter_1.ParentLetter;
+      exports2.GrandparentLetter = ParentLetter_1.GrandparentLetter;
+    }
+  });
+
+  // node_modules/vparse/index.js
+  var require_vparse = __commonJS({
+    "node_modules/vparse/index.js"(exports2, module2) {
+      (function(window2) {
+        "use strict";
+        function parseVersion3(v) {
+          var m = v.replace(/[^0-9.]/g, "").match(/[0-9]*\.|[0-9]+/g) || [];
+          v = {
+            major: +m[0] || 0,
+            minor: +m[1] || 0,
+            patch: +m[2] || 0,
+            build: +m[3] || 0
+          };
+          v.isEmpty = !v.major && !v.minor && !v.patch && !v.build;
+          v.parsed = [v.major, v.minor, v.patch, v.build];
+          v.text = v.parsed.join(".");
+          v.compare = compare;
+          return v;
+        }
+        function compare(v) {
+          if (typeof v === "string") {
+            v = parseVersion3(v);
+          }
+          for (var i2 = 0; i2 < 4; i2++) {
+            if (this.parsed[i2] !== v.parsed[i2]) {
+              return this.parsed[i2] > v.parsed[i2] ? 1 : -1;
+            }
+          }
+          return 0;
+        }
+        if (typeof module2 === "object" && module2 && typeof module2.exports === "object") {
+          module2.exports = parseVersion3;
+        } else {
+          window2.parseVersion = parseVersion3;
+        }
+      })(exports2);
+    }
+  });
+
+  // node_modules/which-polygon/node_modules/quickselect/quickselect.js
+  var require_quickselect = __commonJS({
+    "node_modules/which-polygon/node_modules/quickselect/quickselect.js"(exports2, module2) {
+      (function(global3, factory) {
+        typeof exports2 === "object" && typeof module2 !== "undefined" ? module2.exports = factory() : typeof define === "function" && define.amd ? define(factory) : global3.quickselect = factory();
+      })(exports2, function() {
+        "use strict";
+        function quickselect2(arr, k, left, right, compare) {
+          quickselectStep(arr, k, left || 0, right || arr.length - 1, compare || defaultCompare);
+        }
+        function quickselectStep(arr, k, left, right, compare) {
+          while (right > left) {
+            if (right - left > 600) {
+              var n2 = right - left + 1;
+              var m = k - left + 1;
+              var z = Math.log(n2);
+              var s = 0.5 * Math.exp(2 * z / 3);
+              var sd = 0.5 * Math.sqrt(z * s * (n2 - s) / n2) * (m - n2 / 2 < 0 ? -1 : 1);
+              var newLeft = Math.max(left, Math.floor(k - m * s / n2 + sd));
+              var newRight = Math.min(right, Math.floor(k + (n2 - m) * s / n2 + sd));
+              quickselectStep(arr, k, newLeft, newRight, compare);
+            }
+            var t = arr[k];
+            var i2 = left;
+            var j2 = right;
+            swap2(arr, left, k);
+            if (compare(arr[right], t) > 0)
+              swap2(arr, left, right);
+            while (i2 < j2) {
+              swap2(arr, i2, j2);
+              i2++;
+              j2--;
+              while (compare(arr[i2], t) < 0)
+                i2++;
+              while (compare(arr[j2], t) > 0)
+                j2--;
+            }
+            if (compare(arr[left], t) === 0)
+              swap2(arr, left, j2);
+            else {
+              j2++;
+              swap2(arr, j2, right);
+            }
+            if (j2 <= k)
+              left = j2 + 1;
+            if (k <= j2)
+              right = j2 - 1;
+          }
+        }
+        function swap2(arr, i2, j2) {
+          var tmp = arr[i2];
+          arr[i2] = arr[j2];
+          arr[j2] = tmp;
+        }
+        function defaultCompare(a, b) {
+          return a < b ? -1 : a > b ? 1 : 0;
+        }
+        return quickselect2;
+      });
+    }
+  });
+
+  // node_modules/which-polygon/node_modules/rbush/index.js
+  var require_rbush = __commonJS({
+    "node_modules/which-polygon/node_modules/rbush/index.js"(exports2, module2) {
+      "use strict";
+      module2.exports = rbush;
+      module2.exports.default = rbush;
+      var quickselect2 = require_quickselect();
+      function rbush(maxEntries, format2) {
+        if (!(this instanceof rbush))
+          return new rbush(maxEntries, format2);
+        this._maxEntries = Math.max(4, maxEntries || 9);
+        this._minEntries = Math.max(2, Math.ceil(this._maxEntries * 0.4));
+        if (format2) {
+          this._initFormat(format2);
+        }
+        this.clear();
+      }
+      rbush.prototype = {
+        all: function() {
+          return this._all(this.data, []);
+        },
+        search: function(bbox2) {
+          var node = this.data, result = [], toBBox = this.toBBox;
+          if (!intersects(bbox2, node))
+            return result;
+          var nodesToSearch = [], i2, len, child, childBBox;
+          while (node) {
+            for (i2 = 0, len = node.children.length; i2 < len; i2++) {
+              child = node.children[i2];
+              childBBox = node.leaf ? toBBox(child) : child;
+              if (intersects(bbox2, childBBox)) {
+                if (node.leaf)
+                  result.push(child);
+                else if (contains(bbox2, childBBox))
+                  this._all(child, result);
+                else
+                  nodesToSearch.push(child);
+              }
+            }
+            node = nodesToSearch.pop();
+          }
+          return result;
+        },
+        collides: function(bbox2) {
+          var node = this.data, toBBox = this.toBBox;
+          if (!intersects(bbox2, node))
+            return false;
+          var nodesToSearch = [], i2, len, child, childBBox;
+          while (node) {
+            for (i2 = 0, len = node.children.length; i2 < len; i2++) {
+              child = node.children[i2];
+              childBBox = node.leaf ? toBBox(child) : child;
+              if (intersects(bbox2, childBBox)) {
+                if (node.leaf || contains(bbox2, childBBox))
+                  return true;
+                nodesToSearch.push(child);
+              }
+            }
+            node = nodesToSearch.pop();
+          }
+          return false;
+        },
+        load: function(data) {
+          if (!(data && data.length))
+            return this;
+          if (data.length < this._minEntries) {
+            for (var i2 = 0, len = data.length; i2 < len; i2++) {
+              this.insert(data[i2]);
+            }
+            return this;
+          }
+          var node = this._build(data.slice(), 0, data.length - 1, 0);
+          if (!this.data.children.length) {
+            this.data = node;
+          } else if (this.data.height === node.height) {
+            this._splitRoot(this.data, node);
+          } else {
+            if (this.data.height < node.height) {
+              var tmpNode = this.data;
+              this.data = node;
+              node = tmpNode;
+            }
+            this._insert(node, this.data.height - node.height - 1, true);
+          }
+          return this;
+        },
+        insert: function(item) {
+          if (item)
+            this._insert(item, this.data.height - 1);
+          return this;
+        },
+        clear: function() {
+          this.data = createNode([]);
+          return this;
+        },
+        remove: function(item, equalsFn) {
+          if (!item)
+            return this;
+          var node = this.data, bbox2 = this.toBBox(item), path = [], indexes = [], i2, parent, index, goingUp;
+          while (node || path.length) {
+            if (!node) {
+              node = path.pop();
+              parent = path[path.length - 1];
+              i2 = indexes.pop();
+              goingUp = true;
+            }
+            if (node.leaf) {
+              index = findItem(item, node.children, equalsFn);
+              if (index !== -1) {
+                node.children.splice(index, 1);
+                path.push(node);
+                this._condense(path);
+                return this;
+              }
+            }
+            if (!goingUp && !node.leaf && contains(node, bbox2)) {
+              path.push(node);
+              indexes.push(i2);
+              i2 = 0;
+              parent = node;
+              node = node.children[0];
+            } else if (parent) {
+              i2++;
+              node = parent.children[i2];
+              goingUp = false;
+            } else
+              node = null;
+          }
+          return this;
+        },
+        toBBox: function(item) {
+          return item;
+        },
+        compareMinX: compareNodeMinX,
+        compareMinY: compareNodeMinY,
+        toJSON: function() {
+          return this.data;
+        },
+        fromJSON: function(data) {
+          this.data = data;
+          return this;
+        },
+        _all: function(node, result) {
+          var nodesToSearch = [];
+          while (node) {
+            if (node.leaf)
+              result.push.apply(result, node.children);
+            else
+              nodesToSearch.push.apply(nodesToSearch, node.children);
+            node = nodesToSearch.pop();
+          }
+          return result;
+        },
+        _build: function(items, left, right, height) {
+          var N = right - left + 1, M = this._maxEntries, node;
+          if (N <= M) {
+            node = createNode(items.slice(left, right + 1));
+            calcBBox(node, this.toBBox);
+            return node;
+          }
+          if (!height) {
+            height = Math.ceil(Math.log(N) / Math.log(M));
+            M = Math.ceil(N / Math.pow(M, height - 1));
+          }
+          node = createNode([]);
+          node.leaf = false;
+          node.height = height;
+          var N2 = Math.ceil(N / M), N1 = N2 * Math.ceil(Math.sqrt(M)), i2, j2, right2, right3;
+          multiSelect(items, left, right, N1, this.compareMinX);
+          for (i2 = left; i2 <= right; i2 += N1) {
+            right2 = Math.min(i2 + N1 - 1, right);
+            multiSelect(items, i2, right2, N2, this.compareMinY);
+            for (j2 = i2; j2 <= right2; j2 += N2) {
+              right3 = Math.min(j2 + N2 - 1, right2);
+              node.children.push(this._build(items, j2, right3, height - 1));
+            }
+          }
+          calcBBox(node, this.toBBox);
+          return node;
+        },
+        _chooseSubtree: function(bbox2, node, level, path) {
+          var i2, len, child, targetNode, area, enlargement, minArea, minEnlargement;
+          while (true) {
+            path.push(node);
+            if (node.leaf || path.length - 1 === level)
+              break;
+            minArea = minEnlargement = Infinity;
+            for (i2 = 0, len = node.children.length; i2 < len; i2++) {
+              child = node.children[i2];
+              area = bboxArea(child);
+              enlargement = enlargedArea(bbox2, child) - area;
+              if (enlargement < minEnlargement) {
+                minEnlargement = enlargement;
+                minArea = area < minArea ? area : minArea;
+                targetNode = child;
+              } else if (enlargement === minEnlargement) {
+                if (area < minArea) {
+                  minArea = area;
+                  targetNode = child;
+                }
+              }
+            }
+            node = targetNode || node.children[0];
+          }
+          return node;
+        },
+        _insert: function(item, level, isNode) {
+          var toBBox = this.toBBox, bbox2 = isNode ? item : toBBox(item), insertPath = [];
+          var node = this._chooseSubtree(bbox2, this.data, level, insertPath);
+          node.children.push(item);
+          extend2(node, bbox2);
+          while (level >= 0) {
+            if (insertPath[level].children.length > this._maxEntries) {
+              this._split(insertPath, level);
+              level--;
+            } else
+              break;
+          }
+          this._adjustParentBBoxes(bbox2, insertPath, level);
+        },
+        // split overflowed node into two
+        _split: function(insertPath, level) {
+          var node = insertPath[level], M = node.children.length, m = this._minEntries;
+          this._chooseSplitAxis(node, m, M);
+          var splitIndex = this._chooseSplitIndex(node, m, M);
+          var newNode = createNode(node.children.splice(splitIndex, node.children.length - splitIndex));
+          newNode.height = node.height;
+          newNode.leaf = node.leaf;
+          calcBBox(node, this.toBBox);
+          calcBBox(newNode, this.toBBox);
+          if (level)
+            insertPath[level - 1].children.push(newNode);
+          else
+            this._splitRoot(node, newNode);
+        },
+        _splitRoot: function(node, newNode) {
+          this.data = createNode([node, newNode]);
+          this.data.height = node.height + 1;
+          this.data.leaf = false;
+          calcBBox(this.data, this.toBBox);
+        },
+        _chooseSplitIndex: function(node, m, M) {
+          var i2, bbox1, bbox2, overlap, area, minOverlap, minArea, index;
+          minOverlap = minArea = Infinity;
+          for (i2 = m; i2 <= M - m; i2++) {
+            bbox1 = distBBox(node, 0, i2, this.toBBox);
+            bbox2 = distBBox(node, i2, M, this.toBBox);
+            overlap = intersectionArea(bbox1, bbox2);
+            area = bboxArea(bbox1) + bboxArea(bbox2);
+            if (overlap < minOverlap) {
+              minOverlap = overlap;
+              index = i2;
+              minArea = area < minArea ? area : minArea;
+            } else if (overlap === minOverlap) {
+              if (area < minArea) {
+                minArea = area;
+                index = i2;
+              }
+            }
+          }
+          return index;
+        },
+        // sorts node children by the best axis for split
+        _chooseSplitAxis: function(node, m, M) {
+          var compareMinX = node.leaf ? this.compareMinX : compareNodeMinX, compareMinY = node.leaf ? this.compareMinY : compareNodeMinY, xMargin = this._allDistMargin(node, m, M, compareMinX), yMargin = this._allDistMargin(node, m, M, compareMinY);
+          if (xMargin < yMargin)
+            node.children.sort(compareMinX);
+        },
+        // total margin of all possible split distributions where each node is at least m full
+        _allDistMargin: function(node, m, M, compare) {
+          node.children.sort(compare);
+          var toBBox = this.toBBox, leftBBox = distBBox(node, 0, m, toBBox), rightBBox = distBBox(node, M - m, M, toBBox), margin = bboxMargin(leftBBox) + bboxMargin(rightBBox), i2, child;
+          for (i2 = m; i2 < M - m; i2++) {
+            child = node.children[i2];
+            extend2(leftBBox, node.leaf ? toBBox(child) : child);
+            margin += bboxMargin(leftBBox);
+          }
+          for (i2 = M - m - 1; i2 >= m; i2--) {
+            child = node.children[i2];
+            extend2(rightBBox, node.leaf ? toBBox(child) : child);
+            margin += bboxMargin(rightBBox);
+          }
+          return margin;
+        },
+        _adjustParentBBoxes: function(bbox2, path, level) {
+          for (var i2 = level; i2 >= 0; i2--) {
+            extend2(path[i2], bbox2);
+          }
+        },
+        _condense: function(path) {
+          for (var i2 = path.length - 1, siblings; i2 >= 0; i2--) {
+            if (path[i2].children.length === 0) {
+              if (i2 > 0) {
+                siblings = path[i2 - 1].children;
+                siblings.splice(siblings.indexOf(path[i2]), 1);
+              } else
+                this.clear();
+            } else
+              calcBBox(path[i2], this.toBBox);
+          }
+        },
+        _initFormat: function(format2) {
+          var compareArr = ["return a", " - b", ";"];
+          this.compareMinX = new Function("a", "b", compareArr.join(format2[0]));
+          this.compareMinY = new Function("a", "b", compareArr.join(format2[1]));
+          this.toBBox = new Function(
+            "a",
+            "return {minX: a" + format2[0] + ", minY: a" + format2[1] + ", maxX: a" + format2[2] + ", maxY: a" + format2[3] + "};"
+          );
+        }
+      };
+      function findItem(item, items, equalsFn) {
+        if (!equalsFn)
+          return items.indexOf(item);
+        for (var i2 = 0; i2 < items.length; i2++) {
+          if (equalsFn(item, items[i2]))
+            return i2;
+        }
+        return -1;
+      }
+      function calcBBox(node, toBBox) {
+        distBBox(node, 0, node.children.length, toBBox, node);
+      }
+      function distBBox(node, k, p, toBBox, destNode) {
+        if (!destNode)
+          destNode = createNode(null);
+        destNode.minX = Infinity;
+        destNode.minY = Infinity;
+        destNode.maxX = -Infinity;
+        destNode.maxY = -Infinity;
+        for (var i2 = k, child; i2 < p; i2++) {
+          child = node.children[i2];
+          extend2(destNode, node.leaf ? toBBox(child) : child);
+        }
+        return destNode;
+      }
+      function extend2(a, b) {
+        a.minX = Math.min(a.minX, b.minX);
+        a.minY = Math.min(a.minY, b.minY);
+        a.maxX = Math.max(a.maxX, b.maxX);
+        a.maxY = Math.max(a.maxY, b.maxY);
+        return a;
+      }
+      function compareNodeMinX(a, b) {
+        return a.minX - b.minX;
+      }
+      function compareNodeMinY(a, b) {
+        return a.minY - b.minY;
+      }
+      function bboxArea(a) {
+        return (a.maxX - a.minX) * (a.maxY - a.minY);
+      }
+      function bboxMargin(a) {
+        return a.maxX - a.minX + (a.maxY - a.minY);
+      }
+      function enlargedArea(a, b) {
+        return (Math.max(b.maxX, a.maxX) - Math.min(b.minX, a.minX)) * (Math.max(b.maxY, a.maxY) - Math.min(b.minY, a.minY));
+      }
+      function intersectionArea(a, b) {
+        var minX = Math.max(a.minX, b.minX), minY = Math.max(a.minY, b.minY), maxX = Math.min(a.maxX, b.maxX), maxY = Math.min(a.maxY, b.maxY);
+        return Math.max(0, maxX - minX) * Math.max(0, maxY - minY);
+      }
+      function contains(a, b) {
+        return a.minX <= b.minX && a.minY <= b.minY && b.maxX <= a.maxX && b.maxY <= a.maxY;
+      }
+      function intersects(a, b) {
+        return b.minX <= a.maxX && b.minY <= a.maxY && b.maxX >= a.minX && b.maxY >= a.minY;
+      }
+      function createNode(children2) {
+        return {
+          children: children2,
+          height: 1,
+          leaf: true,
+          minX: Infinity,
+          minY: Infinity,
+          maxX: -Infinity,
+          maxY: -Infinity
+        };
+      }
+      function multiSelect(arr, left, right, n2, compare) {
+        var stack = [left, right], mid;
+        while (stack.length) {
+          right = stack.pop();
+          left = stack.pop();
+          if (right - left <= n2)
+            continue;
+          mid = left + Math.ceil((right - left) / n2 / 2) * n2;
+          quickselect2(arr, mid, left, right, compare);
+          stack.push(left, mid, mid, right);
+        }
+      }
+    }
+  });
+
+  // node_modules/lineclip/index.js
+  var require_lineclip = __commonJS({
+    "node_modules/lineclip/index.js"(exports2, module2) {
+      "use strict";
+      module2.exports = lineclip2;
+      lineclip2.polyline = lineclip2;
+      lineclip2.polygon = polygonclip2;
+      function lineclip2(points, bbox2, result) {
+        var len = points.length, codeA = bitCode2(points[0], bbox2), part = [], i2, a, b, codeB, lastCode;
+        if (!result)
+          result = [];
+        for (i2 = 1; i2 < len; i2++) {
+          a = points[i2 - 1];
+          b = points[i2];
+          codeB = lastCode = bitCode2(b, bbox2);
+          while (true) {
+            if (!(codeA | codeB)) {
+              part.push(a);
+              if (codeB !== lastCode) {
+                part.push(b);
+                if (i2 < len - 1) {
+                  result.push(part);
+                  part = [];
+                }
+              } else if (i2 === len - 1) {
+                part.push(b);
+              }
+              break;
+            } else if (codeA & codeB) {
+              break;
+            } else if (codeA) {
+              a = intersect2(a, b, codeA, bbox2);
+              codeA = bitCode2(a, bbox2);
+            } else {
+              b = intersect2(a, b, codeB, bbox2);
+              codeB = bitCode2(b, bbox2);
+            }
+          }
+          codeA = lastCode;
+        }
+        if (part.length)
+          result.push(part);
+        return result;
+      }
+      function polygonclip2(points, bbox2) {
+        var result, edge, prev, prevInside, i2, p, inside;
+        for (edge = 1; edge <= 8; edge *= 2) {
+          result = [];
+          prev = points[points.length - 1];
+          prevInside = !(bitCode2(prev, bbox2) & edge);
+          for (i2 = 0; i2 < points.length; i2++) {
+            p = points[i2];
+            inside = !(bitCode2(p, bbox2) & edge);
+            if (inside !== prevInside)
+              result.push(intersect2(prev, p, edge, bbox2));
+            if (inside)
+              result.push(p);
+            prev = p;
+            prevInside = inside;
+          }
+          points = result;
+          if (!points.length)
+            break;
+        }
+        return result;
+      }
+      function intersect2(a, b, edge, bbox2) {
+        return edge & 8 ? [a[0] + (b[0] - a[0]) * (bbox2[3] - a[1]) / (b[1] - a[1]), bbox2[3]] : (
+          // top
+          edge & 4 ? [a[0] + (b[0] - a[0]) * (bbox2[1] - a[1]) / (b[1] - a[1]), bbox2[1]] : (
+            // bottom
+            edge & 2 ? [bbox2[2], a[1] + (b[1] - a[1]) * (bbox2[2] - a[0]) / (b[0] - a[0])] : (
+              // right
+              edge & 1 ? [bbox2[0], a[1] + (b[1] - a[1]) * (bbox2[0] - a[0]) / (b[0] - a[0])] : (
+                // left
+                null
+              )
+            )
+          )
+        );
+      }
+      function bitCode2(p, bbox2) {
+        var code = 0;
+        if (p[0] < bbox2[0])
+          code |= 1;
+        else if (p[0] > bbox2[2])
+          code |= 2;
+        if (p[1] < bbox2[1])
+          code |= 4;
+        else if (p[1] > bbox2[3])
+          code |= 8;
+        return code;
+      }
+    }
+  });
+
+  // node_modules/which-polygon/index.js
+  var require_which_polygon = __commonJS({
+    "node_modules/which-polygon/index.js"(exports2, module2) {
+      "use strict";
+      var rbush = require_rbush();
+      var lineclip2 = require_lineclip();
+      module2.exports = whichPolygon5;
+      function whichPolygon5(data) {
+        var bboxes = [];
+        for (var i2 = 0; i2 < data.features.length; i2++) {
+          var feature3 = data.features[i2];
+          if (!feature3.geometry)
+            continue;
+          var coords = feature3.geometry.coordinates;
+          if (feature3.geometry.type === "Polygon") {
+            bboxes.push(treeItem(coords, feature3.properties));
+          } else if (feature3.geometry.type === "MultiPolygon") {
+            for (var j2 = 0; j2 < coords.length; j2++) {
+              bboxes.push(treeItem(coords[j2], feature3.properties));
+            }
+          }
+        }
+        var tree = rbush().load(bboxes);
+        function query(p, multi) {
+          var output = [], result = tree.search({
+            minX: p[0],
+            minY: p[1],
+            maxX: p[0],
+            maxY: p[1]
+          });
+          for (var i3 = 0; i3 < result.length; i3++) {
+            if (insidePolygon(result[i3].coords, p)) {
+              if (multi)
+                output.push(result[i3].props);
+              else
+                return result[i3].props;
+            }
+          }
+          return multi && output.length ? output : null;
+        }
+        query.tree = tree;
+        query.bbox = function queryBBox(bbox2) {
+          var output = [];
+          var result = tree.search({
+            minX: bbox2[0],
+            minY: bbox2[1],
+            maxX: bbox2[2],
+            maxY: bbox2[3]
+          });
+          for (var i3 = 0; i3 < result.length; i3++) {
+            if (polygonIntersectsBBox(result[i3].coords, bbox2)) {
+              output.push(result[i3].props);
+            }
+          }
+          return output;
+        };
+        return query;
+      }
+      function polygonIntersectsBBox(polygon2, bbox2) {
+        var bboxCenter = [
+          (bbox2[0] + bbox2[2]) / 2,
+          (bbox2[1] + bbox2[3]) / 2
+        ];
+        if (insidePolygon(polygon2, bboxCenter))
+          return true;
+        for (var i2 = 0; i2 < polygon2.length; i2++) {
+          if (lineclip2(polygon2[i2], bbox2).length > 0)
+            return true;
+        }
+        return false;
+      }
+      function insidePolygon(rings, p) {
+        var inside = false;
+        for (var i2 = 0, len = rings.length; i2 < len; i2++) {
+          var ring = rings[i2];
+          for (var j2 = 0, len2 = ring.length, k = len2 - 1; j2 < len2; k = j2++) {
+            if (rayIntersect(p, ring[j2], ring[k]))
+              inside = !inside;
+          }
+        }
+        return inside;
+      }
+      function rayIntersect(p, p1, p2) {
+        return p1[1] > p[1] !== p2[1] > p[1] && p[0] < (p2[0] - p1[0]) * (p[1] - p1[1]) / (p2[1] - p1[1]) + p1[0];
+      }
+      function treeItem(coords, props) {
+        var item = {
+          minX: Infinity,
+          minY: Infinity,
+          maxX: -Infinity,
+          maxY: -Infinity,
+          coords,
+          props
+        };
+        for (var i2 = 0; i2 < coords[0].length; i2++) {
+          var p = coords[0][i2];
+          item.minX = Math.min(item.minX, p[0]);
+          item.minY = Math.min(item.minY, p[1]);
+          item.maxX = Math.max(item.maxX, p[0]);
+          item.maxY = Math.max(item.maxY, p[1]);
+        }
+        return item;
+      }
+    }
+  });
+
+  // node_modules/wgs84/index.js
+  var require_wgs84 = __commonJS({
+    "node_modules/wgs84/index.js"(exports2, module2) {
+      module2.exports.RADIUS = 6378137;
+      module2.exports.FLATTENING = 1 / 298.257223563;
+      module2.exports.POLAR_RADIUS = 63567523142e-4;
+    }
+  });
+
+  // node_modules/@mapbox/geojson-area/index.js
+  var require_geojson_area = __commonJS({
+    "node_modules/@mapbox/geojson-area/index.js"(exports2, module2) {
+      var wgs84 = require_wgs84();
+      module2.exports.geometry = geometry;
+      module2.exports.ring = ringArea;
+      function geometry(_) {
+        var area = 0, i2;
+        switch (_.type) {
+          case "Polygon":
+            return polygonArea(_.coordinates);
+          case "MultiPolygon":
+            for (i2 = 0; i2 < _.coordinates.length; i2++) {
+              area += polygonArea(_.coordinates[i2]);
+            }
+            return area;
+          case "Point":
+          case "MultiPoint":
+          case "LineString":
+          case "MultiLineString":
+            return 0;
+          case "GeometryCollection":
+            for (i2 = 0; i2 < _.geometries.length; i2++) {
+              area += geometry(_.geometries[i2]);
+            }
+            return area;
+        }
+      }
+      function polygonArea(coords) {
+        var area = 0;
+        if (coords && coords.length > 0) {
+          area += Math.abs(ringArea(coords[0]));
+          for (var i2 = 1; i2 < coords.length; i2++) {
+            area -= Math.abs(ringArea(coords[i2]));
+          }
+        }
+        return area;
+      }
+      function ringArea(coords) {
+        var p1, p2, p3, lowerIndex, middleIndex, upperIndex, i2, area = 0, coordsLength = coords.length;
+        if (coordsLength > 2) {
+          for (i2 = 0; i2 < coordsLength; i2++) {
+            if (i2 === coordsLength - 2) {
+              lowerIndex = coordsLength - 2;
+              middleIndex = coordsLength - 1;
+              upperIndex = 0;
+            } else if (i2 === coordsLength - 1) {
+              lowerIndex = coordsLength - 1;
+              middleIndex = 0;
+              upperIndex = 1;
+            } else {
+              lowerIndex = i2;
+              middleIndex = i2 + 1;
+              upperIndex = i2 + 2;
+            }
+            p1 = coords[lowerIndex];
+            p2 = coords[middleIndex];
+            p3 = coords[upperIndex];
+            area += (rad(p3[0]) - rad(p1[0])) * Math.sin(rad(p2[1]));
+          }
+          area = area * wgs84.RADIUS * wgs84.RADIUS / 2;
+        }
+        return area;
+      }
+      function rad(_) {
+        return _ * Math.PI / 180;
+      }
+    }
+  });
+
+  // node_modules/circle-to-polygon/input-validation/validateCenter.js
+  var require_validateCenter = __commonJS({
+    "node_modules/circle-to-polygon/input-validation/validateCenter.js"(exports2) {
+      exports2.validateCenter = function validateCenter(center) {
+        var validCenterLengths = [2, 3];
+        if (!Array.isArray(center) || !validCenterLengths.includes(center.length)) {
+          throw new Error("ERROR! Center has to be an array of length two or three");
+        }
+        var [lng, lat] = center;
+        if (typeof lng !== "number" || typeof lat !== "number") {
+          throw new Error(
+            `ERROR! Longitude and Latitude has to be numbers but where ${typeof lng} and ${typeof lat}`
+          );
+        }
+        if (lng > 180 || lng < -180) {
+          throw new Error(`ERROR! Longitude has to be between -180 and 180 but was ${lng}`);
+        }
+        if (lat > 90 || lat < -90) {
+          throw new Error(`ERROR! Latitude has to be between -90 and 90 but was ${lat}`);
+        }
+      };
+    }
+  });
+
+  // node_modules/circle-to-polygon/input-validation/validateRadius.js
+  var require_validateRadius = __commonJS({
+    "node_modules/circle-to-polygon/input-validation/validateRadius.js"(exports2) {
+      exports2.validateRadius = function validateRadius(radius) {
+        if (typeof radius !== "number") {
+          throw new Error(`ERROR! Radius has to be a positive number but was: ${typeof radius}`);
+        }
+        if (radius <= 0) {
+          throw new Error(`ERROR! Radius has to be a positive number but was: ${radius}`);
+        }
+      };
+    }
+  });
+
+  // node_modules/circle-to-polygon/input-validation/validateNumberOfEdges.js
+  var require_validateNumberOfEdges = __commonJS({
+    "node_modules/circle-to-polygon/input-validation/validateNumberOfEdges.js"(exports2) {
+      exports2.validateNumberOfEdges = function validateNumberOfEdges(numberOfEdges) {
+        if (typeof numberOfEdges !== "number") {
+          const ARGUMENT_TYPE = Array.isArray(numberOfEdges) ? "array" : typeof numberOfEdges;
+          throw new Error(`ERROR! Number of edges has to be a number but was: ${ARGUMENT_TYPE}`);
+        }
+        if (numberOfEdges < 3) {
+          throw new Error(`ERROR! Number of edges has to be at least 3 but was: ${numberOfEdges}`);
+        }
+      };
+    }
+  });
+
+  // node_modules/circle-to-polygon/input-validation/validateEarthRadius.js
+  var require_validateEarthRadius = __commonJS({
+    "node_modules/circle-to-polygon/input-validation/validateEarthRadius.js"(exports2) {
+      exports2.validateEarthRadius = function validateEarthRadius(earthRadius2) {
+        if (typeof earthRadius2 !== "number") {
+          const ARGUMENT_TYPE = Array.isArray(earthRadius2) ? "array" : typeof earthRadius2;
+          throw new Error(`ERROR! Earth radius has to be a number but was: ${ARGUMENT_TYPE}`);
+        }
+        if (earthRadius2 <= 0) {
+          throw new Error(`ERROR! Earth radius has to be a positive number but was: ${earthRadius2}`);
+        }
+      };
+    }
+  });
+
+  // node_modules/circle-to-polygon/input-validation/validateBearing.js
+  var require_validateBearing = __commonJS({
+    "node_modules/circle-to-polygon/input-validation/validateBearing.js"(exports2) {
+      exports2.validateBearing = function validateBearing(bearing) {
+        if (typeof bearing !== "number") {
+          const ARGUMENT_TYPE = Array.isArray(bearing) ? "array" : typeof bearing;
+          throw new Error(`ERROR! Bearing has to be a number but was: ${ARGUMENT_TYPE}`);
+        }
+      };
+    }
+  });
+
+  // node_modules/circle-to-polygon/input-validation/index.js
+  var require_input_validation = __commonJS({
+    "node_modules/circle-to-polygon/input-validation/index.js"(exports2) {
+      var validateCenter = require_validateCenter().validateCenter;
+      var validateRadius = require_validateRadius().validateRadius;
+      var validateNumberOfEdges = require_validateNumberOfEdges().validateNumberOfEdges;
+      var validateEarthRadius = require_validateEarthRadius().validateEarthRadius;
+      var validateBearing = require_validateBearing().validateBearing;
+      function validateInput({ center, radius, numberOfEdges, earthRadius: earthRadius2, bearing }) {
+        validateCenter(center);
+        validateRadius(radius);
+        validateNumberOfEdges(numberOfEdges);
+        validateEarthRadius(earthRadius2);
+        validateBearing(bearing);
+      }
+      exports2.validateCenter = validateCenter;
+      exports2.validateRadius = validateRadius;
+      exports2.validateNumberOfEdges = validateNumberOfEdges;
+      exports2.validateEarthRadius = validateEarthRadius;
+      exports2.validateBearing = validateBearing;
+      exports2.validateInput = validateInput;
+    }
+  });
+
+  // node_modules/circle-to-polygon/index.js
+  var require_circle_to_polygon = __commonJS({
+    "node_modules/circle-to-polygon/index.js"(exports2, module2) {
+      "use strict";
+      var { validateInput } = require_input_validation();
+      var defaultEarthRadius = 6378137;
+      function toRadians(angleInDegrees) {
+        return angleInDegrees * Math.PI / 180;
+      }
+      function toDegrees(angleInRadians) {
+        return angleInRadians * 180 / Math.PI;
+      }
+      function offset(c1, distance, earthRadius2, bearing) {
+        var lat1 = toRadians(c1[1]);
+        var lon1 = toRadians(c1[0]);
+        var dByR = distance / earthRadius2;
+        var lat = Math.asin(
+          Math.sin(lat1) * Math.cos(dByR) + Math.cos(lat1) * Math.sin(dByR) * Math.cos(bearing)
+        );
+        var lon = lon1 + Math.atan2(
+          Math.sin(bearing) * Math.sin(dByR) * Math.cos(lat1),
+          Math.cos(dByR) - Math.sin(lat1) * Math.sin(lat)
+        );
+        return [toDegrees(lon), toDegrees(lat)];
+      }
+      module2.exports = function circleToPolygon2(center, radius, options2) {
+        var n2 = getNumberOfEdges(options2);
+        var earthRadius2 = getEarthRadius(options2);
+        var bearing = getBearing(options2);
+        var direction = getDirection(options2);
+        validateInput({ center, radius, numberOfEdges: n2, earthRadius: earthRadius2, bearing });
+        var start2 = toRadians(bearing);
+        var coordinates = [];
+        for (var i2 = 0; i2 < n2; ++i2) {
+          coordinates.push(
+            offset(
+              center,
+              radius,
+              earthRadius2,
+              start2 + direction * 2 * Math.PI * -i2 / n2
+            )
+          );
+        }
+        coordinates.push(coordinates[0]);
+        return {
+          type: "Polygon",
+          coordinates: [coordinates]
+        };
+      };
+      function getNumberOfEdges(options2) {
+        if (isUndefinedOrNull(options2)) {
+          return 32;
+        } else if (isObjectNotArray(options2)) {
+          var numberOfEdges = options2.numberOfEdges;
+          return numberOfEdges === void 0 ? 32 : numberOfEdges;
+        }
+        return options2;
+      }
+      function getEarthRadius(options2) {
+        if (isUndefinedOrNull(options2)) {
+          return defaultEarthRadius;
+        } else if (isObjectNotArray(options2)) {
+          var earthRadius2 = options2.earthRadius;
+          return earthRadius2 === void 0 ? defaultEarthRadius : earthRadius2;
+        }
+        return defaultEarthRadius;
+      }
+      function getDirection(options2) {
+        if (isObjectNotArray(options2) && options2.rightHandRule) {
+          return -1;
+        }
+        return 1;
+      }
+      function getBearing(options2) {
+        if (isUndefinedOrNull(options2)) {
+          return 0;
+        } else if (isObjectNotArray(options2)) {
+          var bearing = options2.bearing;
+          return bearing === void 0 ? 0 : bearing;
+        }
+        return 0;
+      }
+      function isObjectNotArray(argument) {
+        return argument !== null && typeof argument === "object" && !Array.isArray(argument);
+      }
+      function isUndefinedOrNull(argument) {
+        return argument === null || argument === void 0;
+      }
+    }
+  });
+
+  // node_modules/polygon-clipping/dist/polygon-clipping.umd.js
+  var require_polygon_clipping_umd = __commonJS({
+    "node_modules/polygon-clipping/dist/polygon-clipping.umd.js"(exports2, module2) {
+      (function(global3, factory) {
+        typeof exports2 === "object" && typeof module2 !== "undefined" ? module2.exports = factory() : typeof define === "function" && define.amd ? define(factory) : (global3 = typeof globalThis !== "undefined" ? globalThis : global3 || self, global3.polygonClipping = factory());
+      })(exports2, function() {
+        "use strict";
+        function _classCallCheck(instance, Constructor) {
+          if (!(instance instanceof Constructor)) {
+            throw new TypeError("Cannot call a class as a function");
+          }
+        }
+        function _defineProperties(target, props) {
+          for (var i2 = 0; i2 < props.length; i2++) {
+            var descriptor = props[i2];
+            descriptor.enumerable = descriptor.enumerable || false;
+            descriptor.configurable = true;
+            if ("value" in descriptor)
+              descriptor.writable = true;
+            Object.defineProperty(target, descriptor.key, descriptor);
+          }
+        }
+        function _createClass(Constructor, protoProps, staticProps) {
+          if (protoProps)
+            _defineProperties(Constructor.prototype, protoProps);
+          if (staticProps)
+            _defineProperties(Constructor, staticProps);
+          return Constructor;
+        }
+        var Node = (
+          /** @class */
+          function() {
+            function Node2(key, data) {
+              this.next = null;
+              this.key = key;
+              this.data = data;
+              this.left = null;
+              this.right = null;
+            }
+            return Node2;
+          }()
+        );
+        function DEFAULT_COMPARE(a, b) {
+          return a > b ? 1 : a < b ? -1 : 0;
+        }
+        function splay(i2, t, comparator) {
+          var N = new Node(null, null);
+          var l = N;
+          var r = N;
+          while (true) {
+            var cmp2 = comparator(i2, t.key);
+            if (cmp2 < 0) {
+              if (t.left === null)
+                break;
+              if (comparator(i2, t.left.key) < 0) {
+                var y = t.left;
+                t.left = y.right;
+                y.right = t;
+                t = y;
+                if (t.left === null)
+                  break;
+              }
+              r.left = t;
+              r = t;
+              t = t.left;
+            } else if (cmp2 > 0) {
+              if (t.right === null)
+                break;
+              if (comparator(i2, t.right.key) > 0) {
+                var y = t.right;
+                t.right = y.left;
+                y.left = t;
+                t = y;
+                if (t.right === null)
+                  break;
+              }
+              l.right = t;
+              l = t;
+              t = t.right;
+            } else
+              break;
+          }
+          l.right = t.left;
+          r.left = t.right;
+          t.left = N.right;
+          t.right = N.left;
+          return t;
+        }
+        function insert(i2, data, t, comparator) {
+          var node = new Node(i2, data);
+          if (t === null) {
+            node.left = node.right = null;
+            return node;
+          }
+          t = splay(i2, t, comparator);
+          var cmp2 = comparator(i2, t.key);
+          if (cmp2 < 0) {
+            node.left = t.left;
+            node.right = t;
+            t.left = null;
+          } else if (cmp2 >= 0) {
+            node.right = t.right;
+            node.left = t;
+            t.right = null;
+          }
+          return node;
+        }
+        function split(key, v, comparator) {
+          var left = null;
+          var right = null;
+          if (v) {
+            v = splay(key, v, comparator);
+            var cmp2 = comparator(v.key, key);
+            if (cmp2 === 0) {
+              left = v.left;
+              right = v.right;
+            } else if (cmp2 < 0) {
+              right = v.right;
+              v.right = null;
+              left = v;
+            } else {
+              left = v.left;
+              v.left = null;
+              right = v;
+            }
+          }
+          return {
+            left,
+            right
+          };
+        }
+        function merge2(left, right, comparator) {
+          if (right === null)
+            return left;
+          if (left === null)
+            return right;
+          right = splay(left.key, right, comparator);
+          right.left = left;
+          return right;
+        }
+        function printRow(root3, prefix, isTail, out, printNode) {
+          if (root3) {
+            out("" + prefix + (isTail ? "\u2514\u2500\u2500 " : "\u251C\u2500\u2500 ") + printNode(root3) + "\n");
+            var indent2 = prefix + (isTail ? "    " : "\u2502   ");
+            if (root3.left)
+              printRow(root3.left, indent2, false, out, printNode);
+            if (root3.right)
+              printRow(root3.right, indent2, true, out, printNode);
+          }
+        }
+        var Tree = (
+          /** @class */
+          function() {
+            function Tree2(comparator) {
+              if (comparator === void 0) {
+                comparator = DEFAULT_COMPARE;
+              }
+              this._root = null;
+              this._size = 0;
+              this._comparator = comparator;
+            }
+            Tree2.prototype.insert = function(key, data) {
+              this._size++;
+              return this._root = insert(key, data, this._root, this._comparator);
+            };
+            Tree2.prototype.add = function(key, data) {
+              var node = new Node(key, data);
+              if (this._root === null) {
+                node.left = node.right = null;
+                this._size++;
+                this._root = node;
+              }
+              var comparator = this._comparator;
+              var t = splay(key, this._root, comparator);
+              var cmp2 = comparator(key, t.key);
+              if (cmp2 === 0)
+                this._root = t;
+              else {
+                if (cmp2 < 0) {
+                  node.left = t.left;
+                  node.right = t;
+                  t.left = null;
+                } else if (cmp2 > 0) {
+                  node.right = t.right;
+                  node.left = t;
+                  t.right = null;
+                }
+                this._size++;
+                this._root = node;
+              }
+              return this._root;
+            };
+            Tree2.prototype.remove = function(key) {
+              this._root = this._remove(key, this._root, this._comparator);
+            };
+            Tree2.prototype._remove = function(i2, t, comparator) {
+              var x;
+              if (t === null)
+                return null;
+              t = splay(i2, t, comparator);
+              var cmp2 = comparator(i2, t.key);
+              if (cmp2 === 0) {
+                if (t.left === null) {
+                  x = t.right;
+                } else {
+                  x = splay(i2, t.left, comparator);
+                  x.right = t.right;
+                }
+                this._size--;
+                return x;
+              }
+              return t;
+            };
+            Tree2.prototype.pop = function() {
+              var node = this._root;
+              if (node) {
+                while (node.left) {
+                  node = node.left;
+                }
+                this._root = splay(node.key, this._root, this._comparator);
+                this._root = this._remove(node.key, this._root, this._comparator);
+                return {
+                  key: node.key,
+                  data: node.data
+                };
+              }
+              return null;
+            };
+            Tree2.prototype.findStatic = function(key) {
+              var current = this._root;
+              var compare = this._comparator;
+              while (current) {
+                var cmp2 = compare(key, current.key);
+                if (cmp2 === 0)
+                  return current;
+                else if (cmp2 < 0)
+                  current = current.left;
+                else
+                  current = current.right;
+              }
+              return null;
+            };
+            Tree2.prototype.find = function(key) {
+              if (this._root) {
+                this._root = splay(key, this._root, this._comparator);
+                if (this._comparator(key, this._root.key) !== 0)
+                  return null;
+              }
+              return this._root;
+            };
+            Tree2.prototype.contains = function(key) {
+              var current = this._root;
+              var compare = this._comparator;
+              while (current) {
+                var cmp2 = compare(key, current.key);
+                if (cmp2 === 0)
+                  return true;
+                else if (cmp2 < 0)
+                  current = current.left;
+                else
+                  current = current.right;
+              }
+              return false;
+            };
+            Tree2.prototype.forEach = function(visitor, ctx) {
+              var current = this._root;
+              var Q = [];
+              var done = false;
+              while (!done) {
+                if (current !== null) {
+                  Q.push(current);
+                  current = current.left;
+                } else {
+                  if (Q.length !== 0) {
+                    current = Q.pop();
+                    visitor.call(ctx, current);
+                    current = current.right;
+                  } else
+                    done = true;
+                }
+              }
+              return this;
+            };
+            Tree2.prototype.range = function(low, high, fn, ctx) {
+              var Q = [];
+              var compare = this._comparator;
+              var node = this._root;
+              var cmp2;
+              while (Q.length !== 0 || node) {
+                if (node) {
+                  Q.push(node);
+                  node = node.left;
+                } else {
+                  node = Q.pop();
+                  cmp2 = compare(node.key, high);
+                  if (cmp2 > 0) {
+                    break;
+                  } else if (compare(node.key, low) >= 0) {
+                    if (fn.call(ctx, node))
+                      return this;
+                  }
+                  node = node.right;
+                }
+              }
+              return this;
+            };
+            Tree2.prototype.keys = function() {
+              var keys2 = [];
+              this.forEach(function(_a) {
+                var key = _a.key;
+                return keys2.push(key);
+              });
+              return keys2;
+            };
+            Tree2.prototype.values = function() {
+              var values = [];
+              this.forEach(function(_a) {
+                var data = _a.data;
+                return values.push(data);
+              });
+              return values;
+            };
+            Tree2.prototype.min = function() {
+              if (this._root)
+                return this.minNode(this._root).key;
+              return null;
+            };
+            Tree2.prototype.max = function() {
+              if (this._root)
+                return this.maxNode(this._root).key;
+              return null;
+            };
+            Tree2.prototype.minNode = function(t) {
+              if (t === void 0) {
+                t = this._root;
+              }
+              if (t)
+                while (t.left) {
+                  t = t.left;
+                }
+              return t;
+            };
+            Tree2.prototype.maxNode = function(t) {
+              if (t === void 0) {
+                t = this._root;
+              }
+              if (t)
+                while (t.right) {
+                  t = t.right;
+                }
+              return t;
+            };
+            Tree2.prototype.at = function(index2) {
+              var current = this._root;
+              var done = false;
+              var i2 = 0;
+              var Q = [];
+              while (!done) {
+                if (current) {
+                  Q.push(current);
+                  current = current.left;
+                } else {
+                  if (Q.length > 0) {
+                    current = Q.pop();
+                    if (i2 === index2)
+                      return current;
+                    i2++;
+                    current = current.right;
+                  } else
+                    done = true;
+                }
+              }
+              return null;
+            };
+            Tree2.prototype.next = function(d) {
+              var root3 = this._root;
+              var successor = null;
+              if (d.right) {
+                successor = d.right;
+                while (successor.left) {
+                  successor = successor.left;
+                }
+                return successor;
+              }
+              var comparator = this._comparator;
+              while (root3) {
+                var cmp2 = comparator(d.key, root3.key);
+                if (cmp2 === 0)
+                  break;
+                else if (cmp2 < 0) {
+                  successor = root3;
+                  root3 = root3.left;
+                } else
+                  root3 = root3.right;
+              }
+              return successor;
+            };
+            Tree2.prototype.prev = function(d) {
+              var root3 = this._root;
+              var predecessor = null;
+              if (d.left !== null) {
+                predecessor = d.left;
+                while (predecessor.right) {
+                  predecessor = predecessor.right;
+                }
+                return predecessor;
+              }
+              var comparator = this._comparator;
+              while (root3) {
+                var cmp2 = comparator(d.key, root3.key);
+                if (cmp2 === 0)
+                  break;
+                else if (cmp2 < 0)
+                  root3 = root3.left;
+                else {
+                  predecessor = root3;
+                  root3 = root3.right;
+                }
+              }
+              return predecessor;
+            };
+            Tree2.prototype.clear = function() {
+              this._root = null;
+              this._size = 0;
+              return this;
+            };
+            Tree2.prototype.toList = function() {
+              return toList(this._root);
+            };
+            Tree2.prototype.load = function(keys2, values, presort) {
+              if (values === void 0) {
+                values = [];
+              }
+              if (presort === void 0) {
+                presort = false;
+              }
+              var size = keys2.length;
+              var comparator = this._comparator;
+              if (presort)
+                sort(keys2, values, 0, size - 1, comparator);
+              if (this._root === null) {
+                this._root = loadRecursive(keys2, values, 0, size);
+                this._size = size;
+              } else {
+                var mergedList = mergeLists(this.toList(), createList(keys2, values), comparator);
+                size = this._size + size;
+                this._root = sortedListToBST({
+                  head: mergedList
+                }, 0, size);
+              }
+              return this;
+            };
+            Tree2.prototype.isEmpty = function() {
+              return this._root === null;
+            };
+            Object.defineProperty(Tree2.prototype, "size", {
+              get: function get4() {
+                return this._size;
+              },
+              enumerable: true,
+              configurable: true
+            });
+            Object.defineProperty(Tree2.prototype, "root", {
+              get: function get4() {
+                return this._root;
+              },
+              enumerable: true,
+              configurable: true
+            });
+            Tree2.prototype.toString = function(printNode) {
+              if (printNode === void 0) {
+                printNode = function printNode2(n2) {
+                  return String(n2.key);
+                };
+              }
+              var out = [];
+              printRow(this._root, "", true, function(v) {
+                return out.push(v);
+              }, printNode);
+              return out.join("");
+            };
+            Tree2.prototype.update = function(key, newKey, newData) {
+              var comparator = this._comparator;
+              var _a = split(key, this._root, comparator), left = _a.left, right = _a.right;
+              if (comparator(key, newKey) < 0) {
+                right = insert(newKey, newData, right, comparator);
+              } else {
+                left = insert(newKey, newData, left, comparator);
+              }
+              this._root = merge2(left, right, comparator);
+            };
+            Tree2.prototype.split = function(key) {
+              return split(key, this._root, this._comparator);
+            };
+            return Tree2;
+          }()
+        );
+        function loadRecursive(keys2, values, start2, end) {
+          var size = end - start2;
+          if (size > 0) {
+            var middle = start2 + Math.floor(size / 2);
+            var key = keys2[middle];
+            var data = values[middle];
+            var node = new Node(key, data);
+            node.left = loadRecursive(keys2, values, start2, middle);
+            node.right = loadRecursive(keys2, values, middle + 1, end);
+            return node;
+          }
+          return null;
+        }
+        function createList(keys2, values) {
+          var head = new Node(null, null);
+          var p = head;
+          for (var i2 = 0; i2 < keys2.length; i2++) {
+            p = p.next = new Node(keys2[i2], values[i2]);
+          }
+          p.next = null;
+          return head.next;
+        }
+        function toList(root3) {
+          var current = root3;
+          var Q = [];
+          var done = false;
+          var head = new Node(null, null);
+          var p = head;
+          while (!done) {
+            if (current) {
+              Q.push(current);
+              current = current.left;
+            } else {
+              if (Q.length > 0) {
+                current = p = p.next = Q.pop();
+                current = current.right;
+              } else
+                done = true;
+            }
+          }
+          p.next = null;
+          return head.next;
+        }
+        function sortedListToBST(list, start2, end) {
+          var size = end - start2;
+          if (size > 0) {
+            var middle = start2 + Math.floor(size / 2);
+            var left = sortedListToBST(list, start2, middle);
+            var root3 = list.head;
+            root3.left = left;
+            list.head = list.head.next;
+            root3.right = sortedListToBST(list, middle + 1, end);
+            return root3;
+          }
+          return null;
+        }
+        function mergeLists(l1, l2, compare) {
+          var head = new Node(null, null);
+          var p = head;
+          var p1 = l1;
+          var p2 = l2;
+          while (p1 !== null && p2 !== null) {
+            if (compare(p1.key, p2.key) < 0) {
+              p.next = p1;
+              p1 = p1.next;
+            } else {
+              p.next = p2;
+              p2 = p2.next;
+            }
+            p = p.next;
+          }
+          if (p1 !== null) {
+            p.next = p1;
+          } else if (p2 !== null) {
+            p.next = p2;
+          }
+          return head.next;
+        }
+        function sort(keys2, values, left, right, compare) {
+          if (left >= right)
+            return;
+          var pivot = keys2[left + right >> 1];
+          var i2 = left - 1;
+          var j2 = right + 1;
+          while (true) {
+            do {
+              i2++;
+            } while (compare(keys2[i2], pivot) < 0);
+            do {
+              j2--;
+            } while (compare(keys2[j2], pivot) > 0);
+            if (i2 >= j2)
+              break;
+            var tmp = keys2[i2];
+            keys2[i2] = keys2[j2];
+            keys2[j2] = tmp;
+            tmp = values[i2];
+            values[i2] = values[j2];
+            values[j2] = tmp;
+          }
+          sort(keys2, values, left, j2, compare);
+          sort(keys2, values, j2 + 1, right, compare);
+        }
+        var isInBbox = function isInBbox2(bbox2, point2) {
+          return bbox2.ll.x <= point2.x && point2.x <= bbox2.ur.x && bbox2.ll.y <= point2.y && point2.y <= bbox2.ur.y;
+        };
+        var getBboxOverlap = function getBboxOverlap2(b1, b2) {
+          if (b2.ur.x < b1.ll.x || b1.ur.x < b2.ll.x || b2.ur.y < b1.ll.y || b1.ur.y < b2.ll.y)
+            return null;
+          var lowerX = b1.ll.x < b2.ll.x ? b2.ll.x : b1.ll.x;
+          var upperX = b1.ur.x < b2.ur.x ? b1.ur.x : b2.ur.x;
+          var lowerY = b1.ll.y < b2.ll.y ? b2.ll.y : b1.ll.y;
+          var upperY = b1.ur.y < b2.ur.y ? b1.ur.y : b2.ur.y;
+          return {
+            ll: {
+              x: lowerX,
+              y: lowerY
+            },
+            ur: {
+              x: upperX,
+              y: upperY
+            }
+          };
+        };
+        var epsilon3 = Number.EPSILON;
+        if (epsilon3 === void 0)
+          epsilon3 = Math.pow(2, -52);
+        var EPSILON_SQ = epsilon3 * epsilon3;
+        var cmp = function cmp2(a, b) {
+          if (-epsilon3 < a && a < epsilon3) {
+            if (-epsilon3 < b && b < epsilon3) {
+              return 0;
+            }
+          }
+          var ab = a - b;
+          if (ab * ab < EPSILON_SQ * a * b) {
+            return 0;
+          }
+          return a < b ? -1 : 1;
+        };
+        var PtRounder = /* @__PURE__ */ function() {
+          function PtRounder2() {
+            _classCallCheck(this, PtRounder2);
+            this.reset();
+          }
+          _createClass(PtRounder2, [{
+            key: "reset",
+            value: function reset() {
+              this.xRounder = new CoordRounder();
+              this.yRounder = new CoordRounder();
+            }
+          }, {
+            key: "round",
+            value: function round(x, y) {
+              return {
+                x: this.xRounder.round(x),
+                y: this.yRounder.round(y)
+              };
+            }
+          }]);
+          return PtRounder2;
+        }();
+        var CoordRounder = /* @__PURE__ */ function() {
+          function CoordRounder2() {
+            _classCallCheck(this, CoordRounder2);
+            this.tree = new Tree();
+            this.round(0);
+          }
+          _createClass(CoordRounder2, [{
+            key: "round",
+            value: function round(coord2) {
+              var node = this.tree.add(coord2);
+              var prevNode = this.tree.prev(node);
+              if (prevNode !== null && cmp(node.key, prevNode.key) === 0) {
+                this.tree.remove(coord2);
+                return prevNode.key;
+              }
+              var nextNode = this.tree.next(node);
+              if (nextNode !== null && cmp(node.key, nextNode.key) === 0) {
+                this.tree.remove(coord2);
+                return nextNode.key;
+              }
+              return coord2;
+            }
+          }]);
+          return CoordRounder2;
+        }();
+        var rounder = new PtRounder();
+        var crossProduct = function crossProduct2(a, b) {
+          return a.x * b.y - a.y * b.x;
+        };
+        var dotProduct = function dotProduct2(a, b) {
+          return a.x * b.x + a.y * b.y;
+        };
+        var compareVectorAngles = function compareVectorAngles2(basePt, endPt1, endPt2) {
+          var v1 = {
+            x: endPt1.x - basePt.x,
+            y: endPt1.y - basePt.y
+          };
+          var v2 = {
+            x: endPt2.x - basePt.x,
+            y: endPt2.y - basePt.y
+          };
+          var kross = crossProduct(v1, v2);
+          return cmp(kross, 0);
+        };
+        var length = function length2(v) {
+          return Math.sqrt(dotProduct(v, v));
+        };
+        var sineOfAngle = function sineOfAngle2(pShared, pBase, pAngle) {
+          var vBase = {
+            x: pBase.x - pShared.x,
+            y: pBase.y - pShared.y
+          };
+          var vAngle = {
+            x: pAngle.x - pShared.x,
+            y: pAngle.y - pShared.y
+          };
+          return crossProduct(vAngle, vBase) / length(vAngle) / length(vBase);
+        };
+        var cosineOfAngle = function cosineOfAngle2(pShared, pBase, pAngle) {
+          var vBase = {
+            x: pBase.x - pShared.x,
+            y: pBase.y - pShared.y
+          };
+          var vAngle = {
+            x: pAngle.x - pShared.x,
+            y: pAngle.y - pShared.y
+          };
+          return dotProduct(vAngle, vBase) / length(vAngle) / length(vBase);
+        };
+        var horizontalIntersection = function horizontalIntersection2(pt, v, y) {
+          if (v.y === 0)
+            return null;
+          return {
+            x: pt.x + v.x / v.y * (y - pt.y),
+            y
+          };
+        };
+        var verticalIntersection = function verticalIntersection2(pt, v, x) {
+          if (v.x === 0)
+            return null;
+          return {
+            x,
+            y: pt.y + v.y / v.x * (x - pt.x)
+          };
+        };
+        var intersection = function intersection2(pt1, v1, pt2, v2) {
+          if (v1.x === 0)
+            return verticalIntersection(pt2, v2, pt1.x);
+          if (v2.x === 0)
+            return verticalIntersection(pt1, v1, pt2.x);
+          if (v1.y === 0)
+            return horizontalIntersection(pt2, v2, pt1.y);
+          if (v2.y === 0)
+            return horizontalIntersection(pt1, v1, pt2.y);
+          var kross = crossProduct(v1, v2);
+          if (kross == 0)
+            return null;
+          var ve = {
+            x: pt2.x - pt1.x,
+            y: pt2.y - pt1.y
+          };
+          var d1 = crossProduct(ve, v1) / kross;
+          var d2 = crossProduct(ve, v2) / kross;
+          var x12 = pt1.x + d2 * v1.x, x2 = pt2.x + d1 * v2.x;
+          var y12 = pt1.y + d2 * v1.y, y2 = pt2.y + d1 * v2.y;
+          var x = (x12 + x2) / 2;
+          var y = (y12 + y2) / 2;
+          return {
+            x,
+            y
+          };
+        };
+        var SweepEvent = /* @__PURE__ */ function() {
+          _createClass(SweepEvent2, null, [{
+            key: "compare",
+            // for ordering sweep events in the sweep event queue
+            value: function compare(a, b) {
+              var ptCmp = SweepEvent2.comparePoints(a.point, b.point);
+              if (ptCmp !== 0)
+                return ptCmp;
+              if (a.point !== b.point)
+                a.link(b);
+              if (a.isLeft !== b.isLeft)
+                return a.isLeft ? 1 : -1;
+              return Segment.compare(a.segment, b.segment);
+            }
+            // for ordering points in sweep line order
+          }, {
+            key: "comparePoints",
+            value: function comparePoints(aPt, bPt) {
+              if (aPt.x < bPt.x)
+                return -1;
+              if (aPt.x > bPt.x)
+                return 1;
+              if (aPt.y < bPt.y)
+                return -1;
+              if (aPt.y > bPt.y)
+                return 1;
+              return 0;
+            }
+            // Warning: 'point' input will be modified and re-used (for performance)
+          }]);
+          function SweepEvent2(point2, isLeft) {
+            _classCallCheck(this, SweepEvent2);
+            if (point2.events === void 0)
+              point2.events = [this];
+            else
+              point2.events.push(this);
+            this.point = point2;
+            this.isLeft = isLeft;
+          }
+          _createClass(SweepEvent2, [{
+            key: "link",
+            value: function link2(other) {
+              if (other.point === this.point) {
+                throw new Error("Tried to link already linked events");
+              }
+              var otherEvents = other.point.events;
+              for (var i2 = 0, iMax = otherEvents.length; i2 < iMax; i2++) {
+                var evt = otherEvents[i2];
+                this.point.events.push(evt);
+                evt.point = this.point;
+              }
+              this.checkForConsuming();
+            }
+            /* Do a pass over our linked events and check to see if any pair
+             * of segments match, and should be consumed. */
+          }, {
+            key: "checkForConsuming",
+            value: function checkForConsuming() {
+              var numEvents = this.point.events.length;
+              for (var i2 = 0; i2 < numEvents; i2++) {
+                var evt1 = this.point.events[i2];
+                if (evt1.segment.consumedBy !== void 0)
+                  continue;
+                for (var j2 = i2 + 1; j2 < numEvents; j2++) {
+                  var evt2 = this.point.events[j2];
+                  if (evt2.consumedBy !== void 0)
+                    continue;
+                  if (evt1.otherSE.point.events !== evt2.otherSE.point.events)
+                    continue;
+                  evt1.segment.consume(evt2.segment);
+                }
+              }
+            }
+          }, {
+            key: "getAvailableLinkedEvents",
+            value: function getAvailableLinkedEvents() {
+              var events = [];
+              for (var i2 = 0, iMax = this.point.events.length; i2 < iMax; i2++) {
+                var evt = this.point.events[i2];
+                if (evt !== this && !evt.segment.ringOut && evt.segment.isInResult()) {
+                  events.push(evt);
+                }
+              }
+              return events;
+            }
+            /**
+             * Returns a comparator function for sorting linked events that will
+             * favor the event that will give us the smallest left-side angle.
+             * All ring construction starts as low as possible heading to the right,
+             * so by always turning left as sharp as possible we'll get polygons
+             * without uncessary loops & holes.
+             *
+             * The comparator function has a compute cache such that it avoids
+             * re-computing already-computed values.
+             */
+          }, {
+            key: "getLeftmostComparator",
+            value: function getLeftmostComparator(baseEvent) {
+              var _this = this;
+              var cache = /* @__PURE__ */ new Map();
+              var fillCache = function fillCache2(linkedEvent) {
+                var nextEvent = linkedEvent.otherSE;
+                cache.set(linkedEvent, {
+                  sine: sineOfAngle(_this.point, baseEvent.point, nextEvent.point),
+                  cosine: cosineOfAngle(_this.point, baseEvent.point, nextEvent.point)
+                });
+              };
+              return function(a, b) {
+                if (!cache.has(a))
+                  fillCache(a);
+                if (!cache.has(b))
+                  fillCache(b);
+                var _cache$get = cache.get(a), asine = _cache$get.sine, acosine = _cache$get.cosine;
+                var _cache$get2 = cache.get(b), bsine = _cache$get2.sine, bcosine = _cache$get2.cosine;
+                if (asine >= 0 && bsine >= 0) {
+                  if (acosine < bcosine)
+                    return 1;
+                  if (acosine > bcosine)
+                    return -1;
+                  return 0;
+                }
+                if (asine < 0 && bsine < 0) {
+                  if (acosine < bcosine)
+                    return -1;
+                  if (acosine > bcosine)
+                    return 1;
+                  return 0;
+                }
+                if (bsine < asine)
+                  return -1;
+                if (bsine > asine)
+                  return 1;
+                return 0;
+              };
+            }
+          }]);
+          return SweepEvent2;
+        }();
+        var segmentId = 0;
+        var Segment = /* @__PURE__ */ function() {
+          _createClass(Segment2, null, [{
+            key: "compare",
+            /* This compare() function is for ordering segments in the sweep
+             * line tree, and does so according to the following criteria:
+             *
+             * Consider the vertical line that lies an infinestimal step to the
+             * right of the right-more of the two left endpoints of the input
+             * segments. Imagine slowly moving a point up from negative infinity
+             * in the increasing y direction. Which of the two segments will that
+             * point intersect first? That segment comes 'before' the other one.
+             *
+             * If neither segment would be intersected by such a line, (if one
+             * or more of the segments are vertical) then the line to be considered
+             * is directly on the right-more of the two left inputs.
+             */
+            value: function compare(a, b) {
+              var alx = a.leftSE.point.x;
+              var blx = b.leftSE.point.x;
+              var arx = a.rightSE.point.x;
+              var brx = b.rightSE.point.x;
+              if (brx < alx)
+                return 1;
+              if (arx < blx)
+                return -1;
+              var aly = a.leftSE.point.y;
+              var bly = b.leftSE.point.y;
+              var ary = a.rightSE.point.y;
+              var bry = b.rightSE.point.y;
+              if (alx < blx) {
+                if (bly < aly && bly < ary)
+                  return 1;
+                if (bly > aly && bly > ary)
+                  return -1;
+                var aCmpBLeft = a.comparePoint(b.leftSE.point);
+                if (aCmpBLeft < 0)
+                  return 1;
+                if (aCmpBLeft > 0)
+                  return -1;
+                var bCmpARight = b.comparePoint(a.rightSE.point);
+                if (bCmpARight !== 0)
+                  return bCmpARight;
+                return -1;
+              }
+              if (alx > blx) {
+                if (aly < bly && aly < bry)
+                  return -1;
+                if (aly > bly && aly > bry)
+                  return 1;
+                var bCmpALeft = b.comparePoint(a.leftSE.point);
+                if (bCmpALeft !== 0)
+                  return bCmpALeft;
+                var aCmpBRight = a.comparePoint(b.rightSE.point);
+                if (aCmpBRight < 0)
+                  return 1;
+                if (aCmpBRight > 0)
+                  return -1;
+                return 1;
+              }
+              if (aly < bly)
+                return -1;
+              if (aly > bly)
+                return 1;
+              if (arx < brx) {
+                var _bCmpARight = b.comparePoint(a.rightSE.point);
+                if (_bCmpARight !== 0)
+                  return _bCmpARight;
+              }
+              if (arx > brx) {
+                var _aCmpBRight = a.comparePoint(b.rightSE.point);
+                if (_aCmpBRight < 0)
+                  return 1;
+                if (_aCmpBRight > 0)
+                  return -1;
+              }
+              if (arx !== brx) {
+                var ay = ary - aly;
+                var ax = arx - alx;
+                var by = bry - bly;
+                var bx = brx - blx;
+                if (ay > ax && by < bx)
+                  return 1;
+                if (ay < ax && by > bx)
+                  return -1;
+              }
+              if (arx > brx)
+                return 1;
+              if (arx < brx)
+                return -1;
+              if (ary < bry)
+                return -1;
+              if (ary > bry)
+                return 1;
+              if (a.id < b.id)
+                return -1;
+              if (a.id > b.id)
+                return 1;
+              return 0;
+            }
+            /* Warning: a reference to ringWindings input will be stored,
+             *  and possibly will be later modified */
+          }]);
+          function Segment2(leftSE, rightSE, rings, windings) {
+            _classCallCheck(this, Segment2);
+            this.id = ++segmentId;
+            this.leftSE = leftSE;
+            leftSE.segment = this;
+            leftSE.otherSE = rightSE;
+            this.rightSE = rightSE;
+            rightSE.segment = this;
+            rightSE.otherSE = leftSE;
+            this.rings = rings;
+            this.windings = windings;
+          }
+          _createClass(Segment2, [{
+            key: "replaceRightSE",
+            /* When a segment is split, the rightSE is replaced with a new sweep event */
+            value: function replaceRightSE(newRightSE) {
+              this.rightSE = newRightSE;
+              this.rightSE.segment = this;
+              this.rightSE.otherSE = this.leftSE;
+              this.leftSE.otherSE = this.rightSE;
+            }
+          }, {
+            key: "bbox",
+            value: function bbox2() {
+              var y12 = this.leftSE.point.y;
+              var y2 = this.rightSE.point.y;
+              return {
+                ll: {
+                  x: this.leftSE.point.x,
+                  y: y12 < y2 ? y12 : y2
+                },
+                ur: {
+                  x: this.rightSE.point.x,
+                  y: y12 > y2 ? y12 : y2
+                }
+              };
+            }
+            /* A vector from the left point to the right */
+          }, {
+            key: "vector",
+            value: function vector() {
+              return {
+                x: this.rightSE.point.x - this.leftSE.point.x,
+                y: this.rightSE.point.y - this.leftSE.point.y
+              };
+            }
+          }, {
+            key: "isAnEndpoint",
+            value: function isAnEndpoint(pt) {
+              return pt.x === this.leftSE.point.x && pt.y === this.leftSE.point.y || pt.x === this.rightSE.point.x && pt.y === this.rightSE.point.y;
+            }
+            /* Compare this segment with a point.
+             *
+             * A point P is considered to be colinear to a segment if there
+             * exists a distance D such that if we travel along the segment
+             * from one * endpoint towards the other a distance D, we find
+             * ourselves at point P.
+             *
+             * Return value indicates:
+             *
+             *   1: point lies above the segment (to the left of vertical)
+             *   0: point is colinear to segment
+             *  -1: point lies below the segment (to the right of vertical)
+             */
+          }, {
+            key: "comparePoint",
+            value: function comparePoint(point2) {
+              if (this.isAnEndpoint(point2))
+                return 0;
+              var lPt = this.leftSE.point;
+              var rPt = this.rightSE.point;
+              var v = this.vector();
+              if (lPt.x === rPt.x) {
+                if (point2.x === lPt.x)
+                  return 0;
+                return point2.x < lPt.x ? 1 : -1;
+              }
+              var yDist = (point2.y - lPt.y) / v.y;
+              var xFromYDist = lPt.x + yDist * v.x;
+              if (point2.x === xFromYDist)
+                return 0;
+              var xDist = (point2.x - lPt.x) / v.x;
+              var yFromXDist = lPt.y + xDist * v.y;
+              if (point2.y === yFromXDist)
+                return 0;
+              return point2.y < yFromXDist ? -1 : 1;
+            }
+            /**
+             * Given another segment, returns the first non-trivial intersection
+             * between the two segments (in terms of sweep line ordering), if it exists.
+             *
+             * A 'non-trivial' intersection is one that will cause one or both of the
+             * segments to be split(). As such, 'trivial' vs. 'non-trivial' intersection:
+             *
+             *   * endpoint of segA with endpoint of segB --> trivial
+             *   * endpoint of segA with point along segB --> non-trivial
+             *   * endpoint of segB with point along segA --> non-trivial
+             *   * point along segA with point along segB --> non-trivial
+             *
+             * If no non-trivial intersection exists, return null
+             * Else, return null.
+             */
+          }, {
+            key: "getIntersection",
+            value: function getIntersection(other) {
+              var tBbox = this.bbox();
+              var oBbox = other.bbox();
+              var bboxOverlap = getBboxOverlap(tBbox, oBbox);
+              if (bboxOverlap === null)
+                return null;
+              var tlp = this.leftSE.point;
+              var trp = this.rightSE.point;
+              var olp = other.leftSE.point;
+              var orp = other.rightSE.point;
+              var touchesOtherLSE = isInBbox(tBbox, olp) && this.comparePoint(olp) === 0;
+              var touchesThisLSE = isInBbox(oBbox, tlp) && other.comparePoint(tlp) === 0;
+              var touchesOtherRSE = isInBbox(tBbox, orp) && this.comparePoint(orp) === 0;
+              var touchesThisRSE = isInBbox(oBbox, trp) && other.comparePoint(trp) === 0;
+              if (touchesThisLSE && touchesOtherLSE) {
+                if (touchesThisRSE && !touchesOtherRSE)
+                  return trp;
+                if (!touchesThisRSE && touchesOtherRSE)
+                  return orp;
+                return null;
+              }
+              if (touchesThisLSE) {
+                if (touchesOtherRSE) {
+                  if (tlp.x === orp.x && tlp.y === orp.y)
+                    return null;
+                }
+                return tlp;
+              }
+              if (touchesOtherLSE) {
+                if (touchesThisRSE) {
+                  if (trp.x === olp.x && trp.y === olp.y)
+                    return null;
+                }
+                return olp;
+              }
+              if (touchesThisRSE && touchesOtherRSE)
+                return null;
+              if (touchesThisRSE)
+                return trp;
+              if (touchesOtherRSE)
+                return orp;
+              var pt = intersection(tlp, this.vector(), olp, other.vector());
+              if (pt === null)
+                return null;
+              if (!isInBbox(bboxOverlap, pt))
+                return null;
+              return rounder.round(pt.x, pt.y);
+            }
+            /**
+             * Split the given segment into multiple segments on the given points.
+             *  * Each existing segment will retain its leftSE and a new rightSE will be
+             *    generated for it.
+             *  * A new segment will be generated which will adopt the original segment's
+             *    rightSE, and a new leftSE will be generated for it.
+             *  * If there are more than two points given to split on, new segments
+             *    in the middle will be generated with new leftSE and rightSE's.
+             *  * An array of the newly generated SweepEvents will be returned.
+             *
+             * Warning: input array of points is modified
+             */
+          }, {
+            key: "split",
+            value: function split2(point2) {
+              var newEvents = [];
+              var alreadyLinked = point2.events !== void 0;
+              var newLeftSE = new SweepEvent(point2, true);
+              var newRightSE = new SweepEvent(point2, false);
+              var oldRightSE = this.rightSE;
+              this.replaceRightSE(newRightSE);
+              newEvents.push(newRightSE);
+              newEvents.push(newLeftSE);
+              var newSeg = new Segment2(newLeftSE, oldRightSE, this.rings.slice(), this.windings.slice());
+              if (SweepEvent.comparePoints(newSeg.leftSE.point, newSeg.rightSE.point) > 0) {
+                newSeg.swapEvents();
+              }
+              if (SweepEvent.comparePoints(this.leftSE.point, this.rightSE.point) > 0) {
+                this.swapEvents();
+              }
+              if (alreadyLinked) {
+                newLeftSE.checkForConsuming();
+                newRightSE.checkForConsuming();
+              }
+              return newEvents;
+            }
+            /* Swap which event is left and right */
+          }, {
+            key: "swapEvents",
+            value: function swapEvents() {
+              var tmpEvt = this.rightSE;
+              this.rightSE = this.leftSE;
+              this.leftSE = tmpEvt;
+              this.leftSE.isLeft = true;
+              this.rightSE.isLeft = false;
+              for (var i2 = 0, iMax = this.windings.length; i2 < iMax; i2++) {
+                this.windings[i2] *= -1;
+              }
+            }
+            /* Consume another segment. We take their rings under our wing
+             * and mark them as consumed. Use for perfectly overlapping segments */
+          }, {
+            key: "consume",
+            value: function consume(other) {
+              var consumer = this;
+              var consumee = other;
+              while (consumer.consumedBy) {
+                consumer = consumer.consumedBy;
+              }
+              while (consumee.consumedBy) {
+                consumee = consumee.consumedBy;
+              }
+              var cmp2 = Segment2.compare(consumer, consumee);
+              if (cmp2 === 0)
+                return;
+              if (cmp2 > 0) {
+                var tmp = consumer;
+                consumer = consumee;
+                consumee = tmp;
+              }
+              if (consumer.prev === consumee) {
+                var _tmp = consumer;
+                consumer = consumee;
+                consumee = _tmp;
+              }
+              for (var i2 = 0, iMax = consumee.rings.length; i2 < iMax; i2++) {
+                var ring = consumee.rings[i2];
+                var winding = consumee.windings[i2];
+                var index2 = consumer.rings.indexOf(ring);
+                if (index2 === -1) {
+                  consumer.rings.push(ring);
+                  consumer.windings.push(winding);
+                } else
+                  consumer.windings[index2] += winding;
+              }
+              consumee.rings = null;
+              consumee.windings = null;
+              consumee.consumedBy = consumer;
+              consumee.leftSE.consumedBy = consumer.leftSE;
+              consumee.rightSE.consumedBy = consumer.rightSE;
+            }
+            /* The first segment previous segment chain that is in the result */
+          }, {
+            key: "prevInResult",
+            value: function prevInResult() {
+              if (this._prevInResult !== void 0)
+                return this._prevInResult;
+              if (!this.prev)
+                this._prevInResult = null;
+              else if (this.prev.isInResult())
+                this._prevInResult = this.prev;
+              else
+                this._prevInResult = this.prev.prevInResult();
+              return this._prevInResult;
+            }
+          }, {
+            key: "beforeState",
+            value: function beforeState() {
+              if (this._beforeState !== void 0)
+                return this._beforeState;
+              if (!this.prev)
+                this._beforeState = {
+                  rings: [],
+                  windings: [],
+                  multiPolys: []
+                };
+              else {
+                var seg = this.prev.consumedBy || this.prev;
+                this._beforeState = seg.afterState();
+              }
+              return this._beforeState;
+            }
+          }, {
+            key: "afterState",
+            value: function afterState() {
+              if (this._afterState !== void 0)
+                return this._afterState;
+              var beforeState = this.beforeState();
+              this._afterState = {
+                rings: beforeState.rings.slice(0),
+                windings: beforeState.windings.slice(0),
+                multiPolys: []
+              };
+              var ringsAfter = this._afterState.rings;
+              var windingsAfter = this._afterState.windings;
+              var mpsAfter = this._afterState.multiPolys;
+              for (var i2 = 0, iMax = this.rings.length; i2 < iMax; i2++) {
+                var ring = this.rings[i2];
+                var winding = this.windings[i2];
+                var index2 = ringsAfter.indexOf(ring);
+                if (index2 === -1) {
+                  ringsAfter.push(ring);
+                  windingsAfter.push(winding);
+                } else
+                  windingsAfter[index2] += winding;
+              }
+              var polysAfter = [];
+              var polysExclude = [];
+              for (var _i = 0, _iMax = ringsAfter.length; _i < _iMax; _i++) {
+                if (windingsAfter[_i] === 0)
+                  continue;
+                var _ring = ringsAfter[_i];
+                var poly = _ring.poly;
+                if (polysExclude.indexOf(poly) !== -1)
+                  continue;
+                if (_ring.isExterior)
+                  polysAfter.push(poly);
+                else {
+                  if (polysExclude.indexOf(poly) === -1)
+                    polysExclude.push(poly);
+                  var _index = polysAfter.indexOf(_ring.poly);
+                  if (_index !== -1)
+                    polysAfter.splice(_index, 1);
+                }
+              }
+              for (var _i2 = 0, _iMax2 = polysAfter.length; _i2 < _iMax2; _i2++) {
+                var mp = polysAfter[_i2].multiPoly;
+                if (mpsAfter.indexOf(mp) === -1)
+                  mpsAfter.push(mp);
+              }
+              return this._afterState;
+            }
+            /* Is this segment part of the final result? */
+          }, {
+            key: "isInResult",
+            value: function isInResult() {
+              if (this.consumedBy)
+                return false;
+              if (this._isInResult !== void 0)
+                return this._isInResult;
+              var mpsBefore = this.beforeState().multiPolys;
+              var mpsAfter = this.afterState().multiPolys;
+              switch (operation.type) {
+                case "union": {
+                  var noBefores = mpsBefore.length === 0;
+                  var noAfters = mpsAfter.length === 0;
+                  this._isInResult = noBefores !== noAfters;
+                  break;
+                }
+                case "intersection": {
+                  var least;
+                  var most;
+                  if (mpsBefore.length < mpsAfter.length) {
+                    least = mpsBefore.length;
+                    most = mpsAfter.length;
+                  } else {
+                    least = mpsAfter.length;
+                    most = mpsBefore.length;
+                  }
+                  this._isInResult = most === operation.numMultiPolys && least < most;
+                  break;
+                }
+                case "xor": {
+                  var diff = Math.abs(mpsBefore.length - mpsAfter.length);
+                  this._isInResult = diff % 2 === 1;
+                  break;
+                }
+                case "difference": {
+                  var isJustSubject = function isJustSubject2(mps) {
+                    return mps.length === 1 && mps[0].isSubject;
+                  };
+                  this._isInResult = isJustSubject(mpsBefore) !== isJustSubject(mpsAfter);
+                  break;
+                }
+                default:
+                  throw new Error("Unrecognized operation type found ".concat(operation.type));
+              }
+              return this._isInResult;
+            }
+          }], [{
+            key: "fromRing",
+            value: function fromRing(pt1, pt2, ring) {
+              var leftPt, rightPt, winding;
+              var cmpPts = SweepEvent.comparePoints(pt1, pt2);
+              if (cmpPts < 0) {
+                leftPt = pt1;
+                rightPt = pt2;
+                winding = 1;
+              } else if (cmpPts > 0) {
+                leftPt = pt2;
+                rightPt = pt1;
+                winding = -1;
+              } else
+                throw new Error("Tried to create degenerate segment at [".concat(pt1.x, ", ").concat(pt1.y, "]"));
+              var leftSE = new SweepEvent(leftPt, true);
+              var rightSE = new SweepEvent(rightPt, false);
+              return new Segment2(leftSE, rightSE, [ring], [winding]);
+            }
+          }]);
+          return Segment2;
+        }();
+        var RingIn = /* @__PURE__ */ function() {
+          function RingIn2(geomRing, poly, isExterior) {
+            _classCallCheck(this, RingIn2);
+            if (!Array.isArray(geomRing) || geomRing.length === 0) {
+              throw new Error("Input geometry is not a valid Polygon or MultiPolygon");
+            }
+            this.poly = poly;
+            this.isExterior = isExterior;
+            this.segments = [];
+            if (typeof geomRing[0][0] !== "number" || typeof geomRing[0][1] !== "number") {
+              throw new Error("Input geometry is not a valid Polygon or MultiPolygon");
+            }
+            var firstPoint = rounder.round(geomRing[0][0], geomRing[0][1]);
+            this.bbox = {
+              ll: {
+                x: firstPoint.x,
+                y: firstPoint.y
+              },
+              ur: {
+                x: firstPoint.x,
+                y: firstPoint.y
+              }
+            };
+            var prevPoint = firstPoint;
+            for (var i2 = 1, iMax = geomRing.length; i2 < iMax; i2++) {
+              if (typeof geomRing[i2][0] !== "number" || typeof geomRing[i2][1] !== "number") {
+                throw new Error("Input geometry is not a valid Polygon or MultiPolygon");
+              }
+              var point2 = rounder.round(geomRing[i2][0], geomRing[i2][1]);
+              if (point2.x === prevPoint.x && point2.y === prevPoint.y)
+                continue;
+              this.segments.push(Segment.fromRing(prevPoint, point2, this));
+              if (point2.x < this.bbox.ll.x)
+                this.bbox.ll.x = point2.x;
+              if (point2.y < this.bbox.ll.y)
+                this.bbox.ll.y = point2.y;
+              if (point2.x > this.bbox.ur.x)
+                this.bbox.ur.x = point2.x;
+              if (point2.y > this.bbox.ur.y)
+                this.bbox.ur.y = point2.y;
+              prevPoint = point2;
+            }
+            if (firstPoint.x !== prevPoint.x || firstPoint.y !== prevPoint.y) {
+              this.segments.push(Segment.fromRing(prevPoint, firstPoint, this));
+            }
+          }
+          _createClass(RingIn2, [{
+            key: "getSweepEvents",
+            value: function getSweepEvents() {
+              var sweepEvents = [];
+              for (var i2 = 0, iMax = this.segments.length; i2 < iMax; i2++) {
+                var segment = this.segments[i2];
+                sweepEvents.push(segment.leftSE);
+                sweepEvents.push(segment.rightSE);
+              }
+              return sweepEvents;
+            }
+          }]);
+          return RingIn2;
+        }();
+        var PolyIn = /* @__PURE__ */ function() {
+          function PolyIn2(geomPoly, multiPoly) {
+            _classCallCheck(this, PolyIn2);
+            if (!Array.isArray(geomPoly)) {
+              throw new Error("Input geometry is not a valid Polygon or MultiPolygon");
+            }
+            this.exteriorRing = new RingIn(geomPoly[0], this, true);
+            this.bbox = {
+              ll: {
+                x: this.exteriorRing.bbox.ll.x,
+                y: this.exteriorRing.bbox.ll.y
+              },
+              ur: {
+                x: this.exteriorRing.bbox.ur.x,
+                y: this.exteriorRing.bbox.ur.y
+              }
+            };
+            this.interiorRings = [];
+            for (var i2 = 1, iMax = geomPoly.length; i2 < iMax; i2++) {
+              var ring = new RingIn(geomPoly[i2], this, false);
+              if (ring.bbox.ll.x < this.bbox.ll.x)
+                this.bbox.ll.x = ring.bbox.ll.x;
+              if (ring.bbox.ll.y < this.bbox.ll.y)
+                this.bbox.ll.y = ring.bbox.ll.y;
+              if (ring.bbox.ur.x > this.bbox.ur.x)
+                this.bbox.ur.x = ring.bbox.ur.x;
+              if (ring.bbox.ur.y > this.bbox.ur.y)
+                this.bbox.ur.y = ring.bbox.ur.y;
+              this.interiorRings.push(ring);
+            }
+            this.multiPoly = multiPoly;
+          }
+          _createClass(PolyIn2, [{
+            key: "getSweepEvents",
+            value: function getSweepEvents() {
+              var sweepEvents = this.exteriorRing.getSweepEvents();
+              for (var i2 = 0, iMax = this.interiorRings.length; i2 < iMax; i2++) {
+                var ringSweepEvents = this.interiorRings[i2].getSweepEvents();
+                for (var j2 = 0, jMax = ringSweepEvents.length; j2 < jMax; j2++) {
+                  sweepEvents.push(ringSweepEvents[j2]);
+                }
+              }
+              return sweepEvents;
+            }
+          }]);
+          return PolyIn2;
+        }();
+        var MultiPolyIn = /* @__PURE__ */ function() {
+          function MultiPolyIn2(geom, isSubject) {
+            _classCallCheck(this, MultiPolyIn2);
+            if (!Array.isArray(geom)) {
+              throw new Error("Input geometry is not a valid Polygon or MultiPolygon");
+            }
+            try {
+              if (typeof geom[0][0][0] === "number")
+                geom = [geom];
+            } catch (ex) {
+            }
+            this.polys = [];
+            this.bbox = {
+              ll: {
+                x: Number.POSITIVE_INFINITY,
+                y: Number.POSITIVE_INFINITY
+              },
+              ur: {
+                x: Number.NEGATIVE_INFINITY,
+                y: Number.NEGATIVE_INFINITY
+              }
+            };
+            for (var i2 = 0, iMax = geom.length; i2 < iMax; i2++) {
+              var poly = new PolyIn(geom[i2], this);
+              if (poly.bbox.ll.x < this.bbox.ll.x)
+                this.bbox.ll.x = poly.bbox.ll.x;
+              if (poly.bbox.ll.y < this.bbox.ll.y)
+                this.bbox.ll.y = poly.bbox.ll.y;
+              if (poly.bbox.ur.x > this.bbox.ur.x)
+                this.bbox.ur.x = poly.bbox.ur.x;
+              if (poly.bbox.ur.y > this.bbox.ur.y)
+                this.bbox.ur.y = poly.bbox.ur.y;
+              this.polys.push(poly);
+            }
+            this.isSubject = isSubject;
+          }
+          _createClass(MultiPolyIn2, [{
+            key: "getSweepEvents",
+            value: function getSweepEvents() {
+              var sweepEvents = [];
+              for (var i2 = 0, iMax = this.polys.length; i2 < iMax; i2++) {
+                var polySweepEvents = this.polys[i2].getSweepEvents();
+                for (var j2 = 0, jMax = polySweepEvents.length; j2 < jMax; j2++) {
+                  sweepEvents.push(polySweepEvents[j2]);
+                }
+              }
+              return sweepEvents;
+            }
+          }]);
+          return MultiPolyIn2;
+        }();
+        var RingOut = /* @__PURE__ */ function() {
+          _createClass(RingOut2, null, [{
+            key: "factory",
+            /* Given the segments from the sweep line pass, compute & return a series
+             * of closed rings from all the segments marked to be part of the result */
+            value: function factory(allSegments) {
+              var ringsOut = [];
+              for (var i2 = 0, iMax = allSegments.length; i2 < iMax; i2++) {
+                var segment = allSegments[i2];
+                if (!segment.isInResult() || segment.ringOut)
+                  continue;
+                var prevEvent = null;
+                var event = segment.leftSE;
+                var nextEvent = segment.rightSE;
+                var events = [event];
+                var startingPoint = event.point;
+                var intersectionLEs = [];
+                while (true) {
+                  prevEvent = event;
+                  event = nextEvent;
+                  events.push(event);
+                  if (event.point === startingPoint)
+                    break;
+                  while (true) {
+                    var availableLEs = event.getAvailableLinkedEvents();
+                    if (availableLEs.length === 0) {
+                      var firstPt = events[0].point;
+                      var lastPt = events[events.length - 1].point;
+                      throw new Error("Unable to complete output ring starting at [".concat(firstPt.x, ",") + " ".concat(firstPt.y, "]. Last matching segment found ends at") + " [".concat(lastPt.x, ", ").concat(lastPt.y, "]."));
+                    }
+                    if (availableLEs.length === 1) {
+                      nextEvent = availableLEs[0].otherSE;
+                      break;
+                    }
+                    var indexLE = null;
+                    for (var j2 = 0, jMax = intersectionLEs.length; j2 < jMax; j2++) {
+                      if (intersectionLEs[j2].point === event.point) {
+                        indexLE = j2;
+                        break;
+                      }
+                    }
+                    if (indexLE !== null) {
+                      var intersectionLE = intersectionLEs.splice(indexLE)[0];
+                      var ringEvents = events.splice(intersectionLE.index);
+                      ringEvents.unshift(ringEvents[0].otherSE);
+                      ringsOut.push(new RingOut2(ringEvents.reverse()));
+                      continue;
+                    }
+                    intersectionLEs.push({
+                      index: events.length,
+                      point: event.point
+                    });
+                    var comparator = event.getLeftmostComparator(prevEvent);
+                    nextEvent = availableLEs.sort(comparator)[0].otherSE;
+                    break;
+                  }
+                }
+                ringsOut.push(new RingOut2(events));
+              }
+              return ringsOut;
+            }
+          }]);
+          function RingOut2(events) {
+            _classCallCheck(this, RingOut2);
+            this.events = events;
+            for (var i2 = 0, iMax = events.length; i2 < iMax; i2++) {
+              events[i2].segment.ringOut = this;
+            }
+            this.poly = null;
+          }
+          _createClass(RingOut2, [{
+            key: "getGeom",
+            value: function getGeom2() {
+              var prevPt = this.events[0].point;
+              var points = [prevPt];
+              for (var i2 = 1, iMax = this.events.length - 1; i2 < iMax; i2++) {
+                var _pt = this.events[i2].point;
+                var _nextPt = this.events[i2 + 1].point;
+                if (compareVectorAngles(_pt, prevPt, _nextPt) === 0)
+                  continue;
+                points.push(_pt);
+                prevPt = _pt;
+              }
+              if (points.length === 1)
+                return null;
+              var pt = points[0];
+              var nextPt = points[1];
+              if (compareVectorAngles(pt, prevPt, nextPt) === 0)
+                points.shift();
+              points.push(points[0]);
+              var step = this.isExteriorRing() ? 1 : -1;
+              var iStart = this.isExteriorRing() ? 0 : points.length - 1;
+              var iEnd = this.isExteriorRing() ? points.length : -1;
+              var orderedPoints = [];
+              for (var _i = iStart; _i != iEnd; _i += step) {
+                orderedPoints.push([points[_i].x, points[_i].y]);
+              }
+              return orderedPoints;
+            }
+          }, {
+            key: "isExteriorRing",
+            value: function isExteriorRing() {
+              if (this._isExteriorRing === void 0) {
+                var enclosing = this.enclosingRing();
+                this._isExteriorRing = enclosing ? !enclosing.isExteriorRing() : true;
+              }
+              return this._isExteriorRing;
+            }
+          }, {
+            key: "enclosingRing",
+            value: function enclosingRing() {
+              if (this._enclosingRing === void 0) {
+                this._enclosingRing = this._calcEnclosingRing();
+              }
+              return this._enclosingRing;
+            }
+            /* Returns the ring that encloses this one, if any */
+          }, {
+            key: "_calcEnclosingRing",
+            value: function _calcEnclosingRing() {
+              var leftMostEvt = this.events[0];
+              for (var i2 = 1, iMax = this.events.length; i2 < iMax; i2++) {
+                var evt = this.events[i2];
+                if (SweepEvent.compare(leftMostEvt, evt) > 0)
+                  leftMostEvt = evt;
+              }
+              var prevSeg = leftMostEvt.segment.prevInResult();
+              var prevPrevSeg = prevSeg ? prevSeg.prevInResult() : null;
+              while (true) {
+                if (!prevSeg)
+                  return null;
+                if (!prevPrevSeg)
+                  return prevSeg.ringOut;
+                if (prevPrevSeg.ringOut !== prevSeg.ringOut) {
+                  if (prevPrevSeg.ringOut.enclosingRing() !== prevSeg.ringOut) {
+                    return prevSeg.ringOut;
+                  } else
+                    return prevSeg.ringOut.enclosingRing();
+                }
+                prevSeg = prevPrevSeg.prevInResult();
+                prevPrevSeg = prevSeg ? prevSeg.prevInResult() : null;
+              }
+            }
+          }]);
+          return RingOut2;
+        }();
+        var PolyOut = /* @__PURE__ */ function() {
+          function PolyOut2(exteriorRing) {
+            _classCallCheck(this, PolyOut2);
+            this.exteriorRing = exteriorRing;
+            exteriorRing.poly = this;
+            this.interiorRings = [];
+          }
+          _createClass(PolyOut2, [{
+            key: "addInterior",
+            value: function addInterior(ring) {
+              this.interiorRings.push(ring);
+              ring.poly = this;
+            }
+          }, {
+            key: "getGeom",
+            value: function getGeom2() {
+              var geom = [this.exteriorRing.getGeom()];
+              if (geom[0] === null)
+                return null;
+              for (var i2 = 0, iMax = this.interiorRings.length; i2 < iMax; i2++) {
+                var ringGeom = this.interiorRings[i2].getGeom();
+                if (ringGeom === null)
+                  continue;
+                geom.push(ringGeom);
+              }
+              return geom;
+            }
+          }]);
+          return PolyOut2;
+        }();
+        var MultiPolyOut = /* @__PURE__ */ function() {
+          function MultiPolyOut2(rings) {
+            _classCallCheck(this, MultiPolyOut2);
+            this.rings = rings;
+            this.polys = this._composePolys(rings);
+          }
+          _createClass(MultiPolyOut2, [{
+            key: "getGeom",
+            value: function getGeom2() {
+              var geom = [];
+              for (var i2 = 0, iMax = this.polys.length; i2 < iMax; i2++) {
+                var polyGeom = this.polys[i2].getGeom();
+                if (polyGeom === null)
+                  continue;
+                geom.push(polyGeom);
+              }
+              return geom;
+            }
+          }, {
+            key: "_composePolys",
+            value: function _composePolys(rings) {
+              var polys = [];
+              for (var i2 = 0, iMax = rings.length; i2 < iMax; i2++) {
+                var ring = rings[i2];
+                if (ring.poly)
+                  continue;
+                if (ring.isExteriorRing())
+                  polys.push(new PolyOut(ring));
+                else {
+                  var enclosingRing = ring.enclosingRing();
+                  if (!enclosingRing.poly)
+                    polys.push(new PolyOut(enclosingRing));
+                  enclosingRing.poly.addInterior(ring);
+                }
+              }
+              return polys;
+            }
+          }]);
+          return MultiPolyOut2;
+        }();
+        var SweepLine = /* @__PURE__ */ function() {
+          function SweepLine2(queue) {
+            var comparator = arguments.length > 1 && arguments[1] !== void 0 ? arguments[1] : Segment.compare;
+            _classCallCheck(this, SweepLine2);
+            this.queue = queue;
+            this.tree = new Tree(comparator);
+            this.segments = [];
+          }
+          _createClass(SweepLine2, [{
+            key: "process",
+            value: function process2(event) {
+              var segment = event.segment;
+              var newEvents = [];
+              if (event.consumedBy) {
+                if (event.isLeft)
+                  this.queue.remove(event.otherSE);
+                else
+                  this.tree.remove(segment);
+                return newEvents;
+              }
+              var node = event.isLeft ? this.tree.insert(segment) : this.tree.find(segment);
+              if (!node)
+                throw new Error("Unable to find segment #".concat(segment.id, " ") + "[".concat(segment.leftSE.point.x, ", ").concat(segment.leftSE.point.y, "] -> ") + "[".concat(segment.rightSE.point.x, ", ").concat(segment.rightSE.point.y, "] ") + "in SweepLine tree. Please submit a bug report.");
+              var prevNode = node;
+              var nextNode = node;
+              var prevSeg = void 0;
+              var nextSeg = void 0;
+              while (prevSeg === void 0) {
+                prevNode = this.tree.prev(prevNode);
+                if (prevNode === null)
+                  prevSeg = null;
+                else if (prevNode.key.consumedBy === void 0)
+                  prevSeg = prevNode.key;
+              }
+              while (nextSeg === void 0) {
+                nextNode = this.tree.next(nextNode);
+                if (nextNode === null)
+                  nextSeg = null;
+                else if (nextNode.key.consumedBy === void 0)
+                  nextSeg = nextNode.key;
+              }
+              if (event.isLeft) {
+                var prevMySplitter = null;
+                if (prevSeg) {
+                  var prevInter = prevSeg.getIntersection(segment);
+                  if (prevInter !== null) {
+                    if (!segment.isAnEndpoint(prevInter))
+                      prevMySplitter = prevInter;
+                    if (!prevSeg.isAnEndpoint(prevInter)) {
+                      var newEventsFromSplit = this._splitSafely(prevSeg, prevInter);
+                      for (var i2 = 0, iMax = newEventsFromSplit.length; i2 < iMax; i2++) {
+                        newEvents.push(newEventsFromSplit[i2]);
+                      }
+                    }
+                  }
+                }
+                var nextMySplitter = null;
+                if (nextSeg) {
+                  var nextInter = nextSeg.getIntersection(segment);
+                  if (nextInter !== null) {
+                    if (!segment.isAnEndpoint(nextInter))
+                      nextMySplitter = nextInter;
+                    if (!nextSeg.isAnEndpoint(nextInter)) {
+                      var _newEventsFromSplit = this._splitSafely(nextSeg, nextInter);
+                      for (var _i = 0, _iMax = _newEventsFromSplit.length; _i < _iMax; _i++) {
+                        newEvents.push(_newEventsFromSplit[_i]);
+                      }
+                    }
+                  }
+                }
+                if (prevMySplitter !== null || nextMySplitter !== null) {
+                  var mySplitter = null;
+                  if (prevMySplitter === null)
+                    mySplitter = nextMySplitter;
+                  else if (nextMySplitter === null)
+                    mySplitter = prevMySplitter;
+                  else {
+                    var cmpSplitters = SweepEvent.comparePoints(prevMySplitter, nextMySplitter);
+                    mySplitter = cmpSplitters <= 0 ? prevMySplitter : nextMySplitter;
+                  }
+                  this.queue.remove(segment.rightSE);
+                  newEvents.push(segment.rightSE);
+                  var _newEventsFromSplit2 = segment.split(mySplitter);
+                  for (var _i2 = 0, _iMax2 = _newEventsFromSplit2.length; _i2 < _iMax2; _i2++) {
+                    newEvents.push(_newEventsFromSplit2[_i2]);
+                  }
+                }
+                if (newEvents.length > 0) {
+                  this.tree.remove(segment);
+                  newEvents.push(event);
+                } else {
+                  this.segments.push(segment);
+                  segment.prev = prevSeg;
+                }
+              } else {
+                if (prevSeg && nextSeg) {
+                  var inter = prevSeg.getIntersection(nextSeg);
+                  if (inter !== null) {
+                    if (!prevSeg.isAnEndpoint(inter)) {
+                      var _newEventsFromSplit3 = this._splitSafely(prevSeg, inter);
+                      for (var _i3 = 0, _iMax3 = _newEventsFromSplit3.length; _i3 < _iMax3; _i3++) {
+                        newEvents.push(_newEventsFromSplit3[_i3]);
+                      }
+                    }
+                    if (!nextSeg.isAnEndpoint(inter)) {
+                      var _newEventsFromSplit4 = this._splitSafely(nextSeg, inter);
+                      for (var _i4 = 0, _iMax4 = _newEventsFromSplit4.length; _i4 < _iMax4; _i4++) {
+                        newEvents.push(_newEventsFromSplit4[_i4]);
+                      }
+                    }
+                  }
+                }
+                this.tree.remove(segment);
+              }
+              return newEvents;
+            }
+            /* Safely split a segment that is currently in the datastructures
+             * IE - a segment other than the one that is currently being processed. */
+          }, {
+            key: "_splitSafely",
+            value: function _splitSafely(seg, pt) {
+              this.tree.remove(seg);
+              var rightSE = seg.rightSE;
+              this.queue.remove(rightSE);
+              var newEvents = seg.split(pt);
+              newEvents.push(rightSE);
+              if (seg.consumedBy === void 0)
+                this.tree.insert(seg);
+              return newEvents;
+            }
+          }]);
+          return SweepLine2;
+        }();
+        var POLYGON_CLIPPING_MAX_QUEUE_SIZE = typeof process !== "undefined" && process.env.POLYGON_CLIPPING_MAX_QUEUE_SIZE || 1e6;
+        var POLYGON_CLIPPING_MAX_SWEEPLINE_SEGMENTS = typeof process !== "undefined" && process.env.POLYGON_CLIPPING_MAX_SWEEPLINE_SEGMENTS || 1e6;
+        var Operation = /* @__PURE__ */ function() {
+          function Operation2() {
+            _classCallCheck(this, Operation2);
+          }
+          _createClass(Operation2, [{
+            key: "run",
+            value: function run(type2, geom, moreGeoms) {
+              operation.type = type2;
+              rounder.reset();
+              var multipolys = [new MultiPolyIn(geom, true)];
+              for (var i2 = 0, iMax = moreGeoms.length; i2 < iMax; i2++) {
+                multipolys.push(new MultiPolyIn(moreGeoms[i2], false));
+              }
+              operation.numMultiPolys = multipolys.length;
+              if (operation.type === "difference") {
+                var subject = multipolys[0];
+                var _i = 1;
+                while (_i < multipolys.length) {
+                  if (getBboxOverlap(multipolys[_i].bbox, subject.bbox) !== null)
+                    _i++;
+                  else
+                    multipolys.splice(_i, 1);
+                }
+              }
+              if (operation.type === "intersection") {
+                for (var _i2 = 0, _iMax = multipolys.length; _i2 < _iMax; _i2++) {
+                  var mpA = multipolys[_i2];
+                  for (var j2 = _i2 + 1, jMax = multipolys.length; j2 < jMax; j2++) {
+                    if (getBboxOverlap(mpA.bbox, multipolys[j2].bbox) === null)
+                      return [];
+                  }
+                }
+              }
+              var queue = new Tree(SweepEvent.compare);
+              for (var _i3 = 0, _iMax2 = multipolys.length; _i3 < _iMax2; _i3++) {
+                var sweepEvents = multipolys[_i3].getSweepEvents();
+                for (var _j = 0, _jMax = sweepEvents.length; _j < _jMax; _j++) {
+                  queue.insert(sweepEvents[_j]);
+                  if (queue.size > POLYGON_CLIPPING_MAX_QUEUE_SIZE) {
+                    throw new Error("Infinite loop when putting segment endpoints in a priority queue (queue size too big). Please file a bug report.");
+                  }
+                }
+              }
+              var sweepLine = new SweepLine(queue);
+              var prevQueueSize = queue.size;
+              var node = queue.pop();
+              while (node) {
+                var evt = node.key;
+                if (queue.size === prevQueueSize) {
+                  var seg = evt.segment;
+                  throw new Error("Unable to pop() ".concat(evt.isLeft ? "left" : "right", " SweepEvent ") + "[".concat(evt.point.x, ", ").concat(evt.point.y, "] from segment #").concat(seg.id, " ") + "[".concat(seg.leftSE.point.x, ", ").concat(seg.leftSE.point.y, "] -> ") + "[".concat(seg.rightSE.point.x, ", ").concat(seg.rightSE.point.y, "] from queue. ") + "Please file a bug report.");
+                }
+                if (queue.size > POLYGON_CLIPPING_MAX_QUEUE_SIZE) {
+                  throw new Error("Infinite loop when passing sweep line over endpoints (queue size too big). Please file a bug report.");
+                }
+                if (sweepLine.segments.length > POLYGON_CLIPPING_MAX_SWEEPLINE_SEGMENTS) {
+                  throw new Error("Infinite loop when passing sweep line over endpoints (too many sweep line segments). Please file a bug report.");
+                }
+                var newEvents = sweepLine.process(evt);
+                for (var _i4 = 0, _iMax3 = newEvents.length; _i4 < _iMax3; _i4++) {
+                  var _evt = newEvents[_i4];
+                  if (_evt.consumedBy === void 0)
+                    queue.insert(_evt);
+                }
+                prevQueueSize = queue.size;
+                node = queue.pop();
+              }
+              rounder.reset();
+              var ringsOut = RingOut.factory(sweepLine.segments);
+              var result = new MultiPolyOut(ringsOut);
+              return result.getGeom();
+            }
+          }]);
+          return Operation2;
+        }();
+        var operation = new Operation();
+        var union = function union2(geom) {
+          for (var _len = arguments.length, moreGeoms = new Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
+            moreGeoms[_key - 1] = arguments[_key];
+          }
+          return operation.run("union", geom, moreGeoms);
+        };
+        var intersection$1 = function intersection2(geom) {
+          for (var _len2 = arguments.length, moreGeoms = new Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
+            moreGeoms[_key2 - 1] = arguments[_key2];
+          }
+          return operation.run("intersection", geom, moreGeoms);
+        };
+        var xor = function xor2(geom) {
+          for (var _len3 = arguments.length, moreGeoms = new Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
+            moreGeoms[_key3 - 1] = arguments[_key3];
+          }
+          return operation.run("xor", geom, moreGeoms);
+        };
+        var difference = function difference2(subjectGeom) {
+          for (var _len4 = arguments.length, clippingGeoms = new Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {
+            clippingGeoms[_key4 - 1] = arguments[_key4];
+          }
+          return operation.run("difference", subjectGeom, clippingGeoms);
+        };
+        var index = {
+          union,
+          intersection: intersection$1,
+          xor,
+          difference
+        };
+        return index;
+      });
+    }
+  });
+
+  // node_modules/geojson-precision/index.js
+  var require_geojson_precision = __commonJS({
+    "node_modules/geojson-precision/index.js"(exports2, module2) {
+      (function() {
+        function parse(t, coordinatePrecision, extrasPrecision) {
+          function point2(p) {
+            return p.map(function(e, index) {
+              if (index < 2) {
+                return 1 * e.toFixed(coordinatePrecision);
+              } else {
+                return 1 * e.toFixed(extrasPrecision);
+              }
+            });
+          }
+          function multi(l) {
+            return l.map(point2);
+          }
+          function poly(p) {
+            return p.map(multi);
+          }
+          function multiPoly(m) {
+            return m.map(poly);
+          }
+          function geometry(obj) {
+            if (!obj) {
+              return {};
+            }
+            switch (obj.type) {
+              case "Point":
+                obj.coordinates = point2(obj.coordinates);
+                return obj;
+              case "LineString":
+              case "MultiPoint":
+                obj.coordinates = multi(obj.coordinates);
+                return obj;
+              case "Polygon":
+              case "MultiLineString":
+                obj.coordinates = poly(obj.coordinates);
+                return obj;
+              case "MultiPolygon":
+                obj.coordinates = multiPoly(obj.coordinates);
+                return obj;
+              case "GeometryCollection":
+                obj.geometries = obj.geometries.map(geometry);
+                return obj;
+              default:
+                return {};
+            }
+          }
+          function feature3(obj) {
+            obj.geometry = geometry(obj.geometry);
+            return obj;
+          }
+          function featureCollection(f2) {
+            f2.features = f2.features.map(feature3);
+            return f2;
+          }
+          function geometryCollection(g) {
+            g.geometries = g.geometries.map(geometry);
+            return g;
+          }
+          if (!t) {
+            return t;
+          }
+          switch (t.type) {
+            case "Feature":
+              return feature3(t);
+            case "GeometryCollection":
+              return geometryCollection(t);
+            case "FeatureCollection":
+              return featureCollection(t);
+            case "Point":
+            case "LineString":
+            case "Polygon":
+            case "MultiPoint":
+            case "MultiPolygon":
+            case "MultiLineString":
+              return geometry(t);
+            default:
+              return t;
+          }
+        }
+        module2.exports = parse;
+        module2.exports.parse = parse;
+      })();
+    }
+  });
+
+  // node_modules/@aitodotai/json-stringify-pretty-compact/index.js
+  var require_json_stringify_pretty_compact = __commonJS({
+    "node_modules/@aitodotai/json-stringify-pretty-compact/index.js"(exports2, module2) {
+      function isObject3(obj) {
+        return typeof obj === "object" && obj !== null;
+      }
+      function forEach(obj, cb) {
+        if (Array.isArray(obj)) {
+          obj.forEach(cb);
+        } else if (isObject3(obj)) {
+          Object.keys(obj).forEach(function(key) {
+            var val = obj[key];
+            cb(val, key);
+          });
+        }
+      }
+      function getTreeDepth(obj) {
+        var depth = 0;
+        if (Array.isArray(obj) || isObject3(obj)) {
+          forEach(obj, function(val) {
+            if (Array.isArray(val) || isObject3(val)) {
+              var tmpDepth = getTreeDepth(val);
+              if (tmpDepth > depth) {
+                depth = tmpDepth;
+              }
+            }
+          });
+          return depth + 1;
+        }
+        return depth;
+      }
+      function stringify3(obj, options2) {
+        options2 = options2 || {};
+        var indent2 = JSON.stringify([1], null, get4(options2, "indent", 2)).slice(2, -3);
+        var addMargin = get4(options2, "margins", false);
+        var addArrayMargin = get4(options2, "arrayMargins", false);
+        var addObjectMargin = get4(options2, "objectMargins", false);
+        var maxLength = indent2 === "" ? Infinity : get4(options2, "maxLength", 80);
+        var maxNesting = get4(options2, "maxNesting", Infinity);
+        return function _stringify(obj2, currentIndent, reserved) {
+          if (obj2 && typeof obj2.toJSON === "function") {
+            obj2 = obj2.toJSON();
+          }
+          var string = JSON.stringify(obj2);
+          if (string === void 0) {
+            return string;
+          }
+          var length = maxLength - currentIndent.length - reserved;
+          var treeDepth = getTreeDepth(obj2);
+          if (treeDepth <= maxNesting && string.length <= length) {
+            var prettified = prettify(string, {
+              addMargin,
+              addArrayMargin,
+              addObjectMargin
+            });
+            if (prettified.length <= length) {
+              return prettified;
+            }
+          }
+          if (isObject3(obj2)) {
+            var nextIndent = currentIndent + indent2;
+            var items = [];
+            var delimiters;
+            var comma = function(array2, index2) {
+              return index2 === array2.length - 1 ? 0 : 1;
+            };
+            if (Array.isArray(obj2)) {
+              for (var index = 0; index < obj2.length; index++) {
+                items.push(
+                  _stringify(obj2[index], nextIndent, comma(obj2, index)) || "null"
+                );
+              }
+              delimiters = "[]";
+            } else {
+              Object.keys(obj2).forEach(function(key, index2, array2) {
+                var keyPart = JSON.stringify(key) + ": ";
+                var value = _stringify(
+                  obj2[key],
+                  nextIndent,
+                  keyPart.length + comma(array2, index2)
+                );
+                if (value !== void 0) {
+                  items.push(keyPart + value);
+                }
+              });
+              delimiters = "{}";
+            }
+            if (items.length > 0) {
+              return [
+                delimiters[0],
+                indent2 + items.join(",\n" + nextIndent),
+                delimiters[1]
+              ].join("\n" + currentIndent);
+            }
+          }
+          return string;
+        }(obj, "", 0);
+      }
+      var stringOrChar = /("(?:[^\\"]|\\.)*")|[:,\][}{]/g;
+      function prettify(string, options2) {
+        options2 = options2 || {};
+        var tokens = {
+          "{": "{",
+          "}": "}",
+          "[": "[",
+          "]": "]",
+          ",": ", ",
+          ":": ": "
+        };
+        if (options2.addMargin || options2.addObjectMargin) {
+          tokens["{"] = "{ ";
+          tokens["}"] = " }";
+        }
+        if (options2.addMargin || options2.addArrayMargin) {
+          tokens["["] = "[ ";
+          tokens["]"] = " ]";
+        }
+        return string.replace(stringOrChar, function(match, string2) {
+          return string2 ? match : tokens[match];
+        });
+      }
+      function get4(options2, name, defaultValue) {
+        return name in options2 ? options2[name] : defaultValue;
+      }
+      module2.exports = stringify3;
+    }
+  });
+
+  // node_modules/aes-js/index.js
+  var require_aes_js = __commonJS({
+    "node_modules/aes-js/index.js"(exports2, module2) {
+      (function(root3) {
+        "use strict";
+        function checkInt(value) {
+          return parseInt(value) === value;
+        }
+        function checkInts(arrayish) {
+          if (!checkInt(arrayish.length)) {
+            return false;
+          }
+          for (var i2 = 0; i2 < arrayish.length; i2++) {
+            if (!checkInt(arrayish[i2]) || arrayish[i2] < 0 || arrayish[i2] > 255) {
+              return false;
+            }
+          }
+          return true;
+        }
+        function coerceArray(arg, copy2) {
+          if (arg.buffer && arg.name === "Uint8Array") {
+            if (copy2) {
+              if (arg.slice) {
+                arg = arg.slice();
+              } else {
+                arg = Array.prototype.slice.call(arg);
+              }
+            }
+            return arg;
+          }
+          if (Array.isArray(arg)) {
+            if (!checkInts(arg)) {
+              throw new Error("Array contains invalid value: " + arg);
+            }
+            return new Uint8Array(arg);
+          }
+          if (checkInt(arg.length) && checkInts(arg)) {
+            return new Uint8Array(arg);
+          }
+          throw new Error("unsupported array-like object");
+        }
+        function createArray(length) {
+          return new Uint8Array(length);
+        }
+        function copyArray(sourceArray, targetArray, targetStart, sourceStart, sourceEnd) {
+          if (sourceStart != null || sourceEnd != null) {
+            if (sourceArray.slice) {
+              sourceArray = sourceArray.slice(sourceStart, sourceEnd);
+            } else {
+              sourceArray = Array.prototype.slice.call(sourceArray, sourceStart, sourceEnd);
+            }
+          }
+          targetArray.set(sourceArray, targetStart);
+        }
+        var convertUtf8 = function() {
+          function toBytes(text2) {
+            var result = [], i2 = 0;
+            text2 = encodeURI(text2);
+            while (i2 < text2.length) {
+              var c = text2.charCodeAt(i2++);
+              if (c === 37) {
+                result.push(parseInt(text2.substr(i2, 2), 16));
+                i2 += 2;
+              } else {
+                result.push(c);
+              }
+            }
+            return coerceArray(result);
+          }
+          function fromBytes(bytes) {
+            var result = [], i2 = 0;
+            while (i2 < bytes.length) {
+              var c = bytes[i2];
+              if (c < 128) {
+                result.push(String.fromCharCode(c));
+                i2++;
+              } else if (c > 191 && c < 224) {
+                result.push(String.fromCharCode((c & 31) << 6 | bytes[i2 + 1] & 63));
+                i2 += 2;
+              } else {
+                result.push(String.fromCharCode((c & 15) << 12 | (bytes[i2 + 1] & 63) << 6 | bytes[i2 + 2] & 63));
+                i2 += 3;
+              }
+            }
+            return result.join("");
+          }
+          return {
+            toBytes,
+            fromBytes
+          };
+        }();
+        var convertHex = function() {
+          function toBytes(text2) {
+            var result = [];
+            for (var i2 = 0; i2 < text2.length; i2 += 2) {
+              result.push(parseInt(text2.substr(i2, 2), 16));
+            }
+            return result;
+          }
+          var Hex = "0123456789abcdef";
+          function fromBytes(bytes) {
+            var result = [];
+            for (var i2 = 0; i2 < bytes.length; i2++) {
+              var v = bytes[i2];
+              result.push(Hex[(v & 240) >> 4] + Hex[v & 15]);
+            }
+            return result.join("");
+          }
+          return {
+            toBytes,
+            fromBytes
+          };
+        }();
+        var numberOfRounds = { 16: 10, 24: 12, 32: 14 };
+        var rcon = [1, 2, 4, 8, 16, 32, 64, 128, 27, 54, 108, 216, 171, 77, 154, 47, 94, 188, 99, 198, 151, 53, 106, 212, 179, 125, 250, 239, 197, 145];
+        var S = [99, 124, 119, 123, 242, 107, 111, 197, 48, 1, 103, 43, 254, 215, 171, 118, 202, 130, 201, 125, 250, 89, 71, 240, 173, 212, 162, 175, 156, 164, 114, 192, 183, 253, 147, 38, 54, 63, 247, 204, 52, 165, 229, 241, 113, 216, 49, 21, 4, 199, 35, 195, 24, 150, 5, 154, 7, 18, 128, 226, 235, 39, 178, 117, 9, 131, 44, 26, 27, 110, 90, 160, 82, 59, 214, 179, 41, 227, 47, 132, 83, 209, 0, 237, 32, 252, 177, 91, 106, 203, 190, 57, 74, 76, 88, 207, 208, 239, 170, 251, 67, 77, 51, 133, 69, 249, 2, 127, 80, 60, 159, 168, 81, 163, 64, 143, 146, 157, 56, 245, 188, 182, 218, 33, 16, 255, 243, 210, 205, 12, 19, 236, 95, 151, 68, 23, 196, 167, 126, 61, 100, 93, 25, 115, 96, 129, 79, 220, 34, 42, 144, 136, 70, 238, 184, 20, 222, 94, 11, 219, 224, 50, 58, 10, 73, 6, 36, 92, 194, 211, 172, 98, 145, 149, 228, 121, 231, 200, 55, 109, 141, 213, 78, 169, 108, 86, 244, 234, 101, 122, 174, 8, 186, 120, 37, 46, 28, 166, 180, 198, 232, 221, 116, 31, 75, 189, 139, 138, 112, 62, 181, 102, 72, 3, 246, 14, 97, 53, 87, 185, 134, 193, 29, 158, 225, 248, 152, 17, 105, 217, 142, 148, 155, 30, 135, 233, 206, 85, 40, 223, 140, 161, 137, 13, 191, 230, 66, 104, 65, 153, 45, 15, 176, 84, 187, 22];
+        var Si = [82, 9, 106, 213, 48, 54, 165, 56, 191, 64, 163, 158, 129, 243, 215, 251, 124, 227, 57, 130, 155, 47, 255, 135, 52, 142, 67, 68, 196, 222, 233, 203, 84, 123, 148, 50, 166, 194, 35, 61, 238, 76, 149, 11, 66, 250, 195, 78, 8, 46, 161, 102, 40, 217, 36, 178, 118, 91, 162, 73, 109, 139, 209, 37, 114, 248, 246, 100, 134, 104, 152, 22, 212, 164, 92, 204, 93, 101, 182, 146, 108, 112, 72, 80, 253, 237, 185, 218, 94, 21, 70, 87, 167, 141, 157, 132, 144, 216, 171, 0, 140, 188, 211, 10, 247, 228, 88, 5, 184, 179, 69, 6, 208, 44, 30, 143, 202, 63, 15, 2, 193, 175, 189, 3, 1, 19, 138, 107, 58, 145, 17, 65, 79, 103, 220, 234, 151, 242, 207, 206, 240, 180, 230, 115, 150, 172, 116, 34, 231, 173, 53, 133, 226, 249, 55, 232, 28, 117, 223, 110, 71, 241, 26, 113, 29, 41, 197, 137, 111, 183, 98, 14, 170, 24, 190, 27, 252, 86, 62, 75, 198, 210, 121, 32, 154, 219, 192, 254, 120, 205, 90, 244, 31, 221, 168, 51, 136, 7, 199, 49, 177, 18, 16, 89, 39, 128, 236, 95, 96, 81, 127, 169, 25, 181, 74, 13, 45, 229, 122, 159, 147, 201, 156, 239, 160, 224, 59, 77, 174, 42, 245, 176, 200, 235, 187, 60, 131, 83, 153, 97, 23, 43, 4, 126, 186, 119, 214, 38, 225, 105, 20, 99, 85, 33, 12, 125];
+        var T1 = [3328402341, 4168907908, 4000806809, 4135287693, 4294111757, 3597364157, 3731845041, 2445657428, 1613770832, 33620227, 3462883241, 1445669757, 3892248089, 3050821474, 1303096294, 3967186586, 2412431941, 528646813, 2311702848, 4202528135, 4026202645, 2992200171, 2387036105, 4226871307, 1101901292, 3017069671, 1604494077, 1169141738, 597466303, 1403299063, 3832705686, 2613100635, 1974974402, 3791519004, 1033081774, 1277568618, 1815492186, 2118074177, 4126668546, 2211236943, 1748251740, 1369810420, 3521504564, 4193382664, 3799085459, 2883115123, 1647391059, 706024767, 134480908, 2512897874, 1176707941, 2646852446, 806885416, 932615841, 168101135, 798661301, 235341577, 605164086, 461406363, 3756188221, 3454790438, 1311188841, 2142417613, 3933566367, 302582043, 495158174, 1479289972, 874125870, 907746093, 3698224818, 3025820398, 1537253627, 2756858614, 1983593293, 3084310113, 2108928974, 1378429307, 3722699582, 1580150641, 327451799, 2790478837, 3117535592, 0, 3253595436, 1075847264, 3825007647, 2041688520, 3059440621, 3563743934, 2378943302, 1740553945, 1916352843, 2487896798, 2555137236, 2958579944, 2244988746, 3151024235, 3320835882, 1336584933, 3992714006, 2252555205, 2588757463, 1714631509, 293963156, 2319795663, 3925473552, 67240454, 4269768577, 2689618160, 2017213508, 631218106, 1269344483, 2723238387, 1571005438, 2151694528, 93294474, 1066570413, 563977660, 1882732616, 4059428100, 1673313503, 2008463041, 2950355573, 1109467491, 537923632, 3858759450, 4260623118, 3218264685, 2177748300, 403442708, 638784309, 3287084079, 3193921505, 899127202, 2286175436, 773265209, 2479146071, 1437050866, 4236148354, 2050833735, 3362022572, 3126681063, 840505643, 3866325909, 3227541664, 427917720, 2655997905, 2749160575, 1143087718, 1412049534, 999329963, 193497219, 2353415882, 3354324521, 1807268051, 672404540, 2816401017, 3160301282, 369822493, 2916866934, 3688947771, 1681011286, 1949973070, 336202270, 2454276571, 201721354, 1210328172, 3093060836, 2680341085, 3184776046, 1135389935, 3294782118, 965841320, 831886756, 3554993207, 4068047243, 3588745010, 2345191491, 1849112409, 3664604599, 26054028, 2983581028, 2622377682, 1235855840, 3630984372, 2891339514, 4092916743, 3488279077, 3395642799, 4101667470, 1202630377, 268961816, 1874508501, 4034427016, 1243948399, 1546530418, 941366308, 1470539505, 1941222599, 2546386513, 3421038627, 2715671932, 3899946140, 1042226977, 2521517021, 1639824860, 227249030, 260737669, 3765465232, 2084453954, 1907733956, 3429263018, 2420656344, 100860677, 4160157185, 470683154, 3261161891, 1781871967, 2924959737, 1773779408, 394692241, 2579611992, 974986535, 664706745, 3655459128, 3958962195, 731420851, 571543859, 3530123707, 2849626480, 126783113, 865375399, 765172662, 1008606754, 361203602, 3387549984, 2278477385, 2857719295, 1344809080, 2782912378, 59542671, 1503764984, 160008576, 437062935, 1707065306, 3622233649, 2218934982, 3496503480, 2185314755, 697932208, 1512910199, 504303377, 2075177163, 2824099068, 1841019862, 739644986];
+        var T2 = [2781242211, 2230877308, 2582542199, 2381740923, 234877682, 3184946027, 2984144751, 1418839493, 1348481072, 50462977, 2848876391, 2102799147, 434634494, 1656084439, 3863849899, 2599188086, 1167051466, 2636087938, 1082771913, 2281340285, 368048890, 3954334041, 3381544775, 201060592, 3963727277, 1739838676, 4250903202, 3930435503, 3206782108, 4149453988, 2531553906, 1536934080, 3262494647, 484572669, 2923271059, 1783375398, 1517041206, 1098792767, 49674231, 1334037708, 1550332980, 4098991525, 886171109, 150598129, 2481090929, 1940642008, 1398944049, 1059722517, 201851908, 1385547719, 1699095331, 1587397571, 674240536, 2704774806, 252314885, 3039795866, 151914247, 908333586, 2602270848, 1038082786, 651029483, 1766729511, 3447698098, 2682942837, 454166793, 2652734339, 1951935532, 775166490, 758520603, 3000790638, 4004797018, 4217086112, 4137964114, 1299594043, 1639438038, 3464344499, 2068982057, 1054729187, 1901997871, 2534638724, 4121318227, 1757008337, 0, 750906861, 1614815264, 535035132, 3363418545, 3988151131, 3201591914, 1183697867, 3647454910, 1265776953, 3734260298, 3566750796, 3903871064, 1250283471, 1807470800, 717615087, 3847203498, 384695291, 3313910595, 3617213773, 1432761139, 2484176261, 3481945413, 283769337, 100925954, 2180939647, 4037038160, 1148730428, 3123027871, 3813386408, 4087501137, 4267549603, 3229630528, 2315620239, 2906624658, 3156319645, 1215313976, 82966005, 3747855548, 3245848246, 1974459098, 1665278241, 807407632, 451280895, 251524083, 1841287890, 1283575245, 337120268, 891687699, 801369324, 3787349855, 2721421207, 3431482436, 959321879, 1469301956, 4065699751, 2197585534, 1199193405, 2898814052, 3887750493, 724703513, 2514908019, 2696962144, 2551808385, 3516813135, 2141445340, 1715741218, 2119445034, 2872807568, 2198571144, 3398190662, 700968686, 3547052216, 1009259540, 2041044702, 3803995742, 487983883, 1991105499, 1004265696, 1449407026, 1316239930, 504629770, 3683797321, 168560134, 1816667172, 3837287516, 1570751170, 1857934291, 4014189740, 2797888098, 2822345105, 2754712981, 936633572, 2347923833, 852879335, 1133234376, 1500395319, 3084545389, 2348912013, 1689376213, 3533459022, 3762923945, 3034082412, 4205598294, 133428468, 634383082, 2949277029, 2398386810, 3913789102, 403703816, 3580869306, 2297460856, 1867130149, 1918643758, 607656988, 4049053350, 3346248884, 1368901318, 600565992, 2090982877, 2632479860, 557719327, 3717614411, 3697393085, 2249034635, 2232388234, 2430627952, 1115438654, 3295786421, 2865522278, 3633334344, 84280067, 33027830, 303828494, 2747425121, 1600795957, 4188952407, 3496589753, 2434238086, 1486471617, 658119965, 3106381470, 953803233, 334231800, 3005978776, 857870609, 3151128937, 1890179545, 2298973838, 2805175444, 3056442267, 574365214, 2450884487, 550103529, 1233637070, 4289353045, 2018519080, 2057691103, 2399374476, 4166623649, 2148108681, 387583245, 3664101311, 836232934, 3330556482, 3100665960, 3280093505, 2955516313, 2002398509, 287182607, 3413881008, 4238890068, 3597515707, 975967766];
+        var T3 = [1671808611, 2089089148, 2006576759, 2072901243, 4061003762, 1807603307, 1873927791, 3310653893, 810573872, 16974337, 1739181671, 729634347, 4263110654, 3613570519, 2883997099, 1989864566, 3393556426, 2191335298, 3376449993, 2106063485, 4195741690, 1508618841, 1204391495, 4027317232, 2917941677, 3563566036, 2734514082, 2951366063, 2629772188, 2767672228, 1922491506, 3227229120, 3082974647, 4246528509, 2477669779, 644500518, 911895606, 1061256767, 4144166391, 3427763148, 878471220, 2784252325, 3845444069, 4043897329, 1905517169, 3631459288, 827548209, 356461077, 67897348, 3344078279, 593839651, 3277757891, 405286936, 2527147926, 84871685, 2595565466, 118033927, 305538066, 2157648768, 3795705826, 3945188843, 661212711, 2999812018, 1973414517, 152769033, 2208177539, 745822252, 439235610, 455947803, 1857215598, 1525593178, 2700827552, 1391895634, 994932283, 3596728278, 3016654259, 695947817, 3812548067, 795958831, 2224493444, 1408607827, 3513301457, 0, 3979133421, 543178784, 4229948412, 2982705585, 1542305371, 1790891114, 3410398667, 3201918910, 961245753, 1256100938, 1289001036, 1491644504, 3477767631, 3496721360, 4012557807, 2867154858, 4212583931, 1137018435, 1305975373, 861234739, 2241073541, 1171229253, 4178635257, 33948674, 2139225727, 1357946960, 1011120188, 2679776671, 2833468328, 1374921297, 2751356323, 1086357568, 2408187279, 2460827538, 2646352285, 944271416, 4110742005, 3168756668, 3066132406, 3665145818, 560153121, 271589392, 4279952895, 4077846003, 3530407890, 3444343245, 202643468, 322250259, 3962553324, 1608629855, 2543990167, 1154254916, 389623319, 3294073796, 2817676711, 2122513534, 1028094525, 1689045092, 1575467613, 422261273, 1939203699, 1621147744, 2174228865, 1339137615, 3699352540, 577127458, 712922154, 2427141008, 2290289544, 1187679302, 3995715566, 3100863416, 339486740, 3732514782, 1591917662, 186455563, 3681988059, 3762019296, 844522546, 978220090, 169743370, 1239126601, 101321734, 611076132, 1558493276, 3260915650, 3547250131, 2901361580, 1655096418, 2443721105, 2510565781, 3828863972, 2039214713, 3878868455, 3359869896, 928607799, 1840765549, 2374762893, 3580146133, 1322425422, 2850048425, 1823791212, 1459268694, 4094161908, 3928346602, 1706019429, 2056189050, 2934523822, 135794696, 3134549946, 2022240376, 628050469, 779246638, 472135708, 2800834470, 3032970164, 3327236038, 3894660072, 3715932637, 1956440180, 522272287, 1272813131, 3185336765, 2340818315, 2323976074, 1888542832, 1044544574, 3049550261, 1722469478, 1222152264, 50660867, 4127324150, 236067854, 1638122081, 895445557, 1475980887, 3117443513, 2257655686, 3243809217, 489110045, 2662934430, 3778599393, 4162055160, 2561878936, 288563729, 1773916777, 3648039385, 2391345038, 2493985684, 2612407707, 505560094, 2274497927, 3911240169, 3460925390, 1442818645, 678973480, 3749357023, 2358182796, 2717407649, 2306869641, 219617805, 3218761151, 3862026214, 1120306242, 1756942440, 1103331905, 2578459033, 762796589, 252780047, 2966125488, 1425844308, 3151392187, 372911126];
+        var T4 = [1667474886, 2088535288, 2004326894, 2071694838, 4075949567, 1802223062, 1869591006, 3318043793, 808472672, 16843522, 1734846926, 724270422, 4278065639, 3621216949, 2880169549, 1987484396, 3402253711, 2189597983, 3385409673, 2105378810, 4210693615, 1499065266, 1195886990, 4042263547, 2913856577, 3570689971, 2728590687, 2947541573, 2627518243, 2762274643, 1920112356, 3233831835, 3082273397, 4261223649, 2475929149, 640051788, 909531756, 1061110142, 4160160501, 3435941763, 875846760, 2779116625, 3857003729, 4059105529, 1903268834, 3638064043, 825316194, 353713962, 67374088, 3351728789, 589522246, 3284360861, 404236336, 2526454071, 84217610, 2593830191, 117901582, 303183396, 2155911963, 3806477791, 3958056653, 656894286, 2998062463, 1970642922, 151591698, 2206440989, 741110872, 437923380, 454765878, 1852748508, 1515908788, 2694904667, 1381168804, 993742198, 3604373943, 3014905469, 690584402, 3823320797, 791638366, 2223281939, 1398011302, 3520161977, 0, 3991743681, 538992704, 4244381667, 2981218425, 1532751286, 1785380564, 3419096717, 3200178535, 960056178, 1246420628, 1280103576, 1482221744, 3486468741, 3503319995, 4025428677, 2863326543, 4227536621, 1128514950, 1296947098, 859002214, 2240123921, 1162203018, 4193849577, 33687044, 2139062782, 1347481760, 1010582648, 2678045221, 2829640523, 1364325282, 2745433693, 1077985408, 2408548869, 2459086143, 2644360225, 943212656, 4126475505, 3166494563, 3065430391, 3671750063, 555836226, 269496352, 4294908645, 4092792573, 3537006015, 3452783745, 202118168, 320025894, 3974901699, 1600119230, 2543297077, 1145359496, 387397934, 3301201811, 2812801621, 2122220284, 1027426170, 1684319432, 1566435258, 421079858, 1936954854, 1616945344, 2172753945, 1330631070, 3705438115, 572679748, 707427924, 2425400123, 2290647819, 1179044492, 4008585671, 3099120491, 336870440, 3739122087, 1583276732, 185277718, 3688593069, 3772791771, 842159716, 976899700, 168435220, 1229577106, 101059084, 606366792, 1549591736, 3267517855, 3553849021, 2897014595, 1650632388, 2442242105, 2509612081, 3840161747, 2038008818, 3890688725, 3368567691, 926374254, 1835907034, 2374863873, 3587531953, 1313788572, 2846482505, 1819063512, 1448540844, 4109633523, 3941213647, 1701162954, 2054852340, 2930698567, 134748176, 3132806511, 2021165296, 623210314, 774795868, 471606328, 2795958615, 3031746419, 3334885783, 3907527627, 3722280097, 1953799400, 522133822, 1263263126, 3183336545, 2341176845, 2324333839, 1886425312, 1044267644, 3048588401, 1718004428, 1212733584, 50529542, 4143317495, 235803164, 1633788866, 892690282, 1465383342, 3115962473, 2256965911, 3250673817, 488449850, 2661202215, 3789633753, 4177007595, 2560144171, 286339874, 1768537042, 3654906025, 2391705863, 2492770099, 2610673197, 505291324, 2273808917, 3924369609, 3469625735, 1431699370, 673740880, 3755965093, 2358021891, 2711746649, 2307489801, 218961690, 3217021541, 3873845719, 1111672452, 1751693520, 1094828930, 2576986153, 757954394, 252645662, 2964376443, 1414855848, 3149649517, 370555436];
+        var T5 = [1374988112, 2118214995, 437757123, 975658646, 1001089995, 530400753, 2902087851, 1273168787, 540080725, 2910219766, 2295101073, 4110568485, 1340463100, 3307916247, 641025152, 3043140495, 3736164937, 632953703, 1172967064, 1576976609, 3274667266, 2169303058, 2370213795, 1809054150, 59727847, 361929877, 3211623147, 2505202138, 3569255213, 1484005843, 1239443753, 2395588676, 1975683434, 4102977912, 2572697195, 666464733, 3202437046, 4035489047, 3374361702, 2110667444, 1675577880, 3843699074, 2538681184, 1649639237, 2976151520, 3144396420, 4269907996, 4178062228, 1883793496, 2403728665, 2497604743, 1383856311, 2876494627, 1917518562, 3810496343, 1716890410, 3001755655, 800440835, 2261089178, 3543599269, 807962610, 599762354, 33778362, 3977675356, 2328828971, 2809771154, 4077384432, 1315562145, 1708848333, 101039829, 3509871135, 3299278474, 875451293, 2733856160, 92987698, 2767645557, 193195065, 1080094634, 1584504582, 3178106961, 1042385657, 2531067453, 3711829422, 1306967366, 2438237621, 1908694277, 67556463, 1615861247, 429456164, 3602770327, 2302690252, 1742315127, 2968011453, 126454664, 3877198648, 2043211483, 2709260871, 2084704233, 4169408201, 0, 159417987, 841739592, 504459436, 1817866830, 4245618683, 260388950, 1034867998, 908933415, 168810852, 1750902305, 2606453969, 607530554, 202008497, 2472011535, 3035535058, 463180190, 2160117071, 1641816226, 1517767529, 470948374, 3801332234, 3231722213, 1008918595, 303765277, 235474187, 4069246893, 766945465, 337553864, 1475418501, 2943682380, 4003061179, 2743034109, 4144047775, 1551037884, 1147550661, 1543208500, 2336434550, 3408119516, 3069049960, 3102011747, 3610369226, 1113818384, 328671808, 2227573024, 2236228733, 3535486456, 2935566865, 3341394285, 496906059, 3702665459, 226906860, 2009195472, 733156972, 2842737049, 294930682, 1206477858, 2835123396, 2700099354, 1451044056, 573804783, 2269728455, 3644379585, 2362090238, 2564033334, 2801107407, 2776292904, 3669462566, 1068351396, 742039012, 1350078989, 1784663195, 1417561698, 4136440770, 2430122216, 775550814, 2193862645, 2673705150, 1775276924, 1876241833, 3475313331, 3366754619, 270040487, 3902563182, 3678124923, 3441850377, 1851332852, 3969562369, 2203032232, 3868552805, 2868897406, 566021896, 4011190502, 3135740889, 1248802510, 3936291284, 699432150, 832877231, 708780849, 3332740144, 899835584, 1951317047, 4236429990, 3767586992, 866637845, 4043610186, 1106041591, 2144161806, 395441711, 1984812685, 1139781709, 3433712980, 3835036895, 2664543715, 1282050075, 3240894392, 1181045119, 2640243204, 25965917, 4203181171, 4211818798, 3009879386, 2463879762, 3910161971, 1842759443, 2597806476, 933301370, 1509430414, 3943906441, 3467192302, 3076639029, 3776767469, 2051518780, 2631065433, 1441952575, 404016761, 1942435775, 1408749034, 1610459739, 3745345300, 2017778566, 3400528769, 3110650942, 941896748, 3265478751, 371049330, 3168937228, 675039627, 4279080257, 967311729, 135050206, 3635733660, 1683407248, 2076935265, 3576870512, 1215061108, 3501741890];
+        var T6 = [1347548327, 1400783205, 3273267108, 2520393566, 3409685355, 4045380933, 2880240216, 2471224067, 1428173050, 4138563181, 2441661558, 636813900, 4233094615, 3620022987, 2149987652, 2411029155, 1239331162, 1730525723, 2554718734, 3781033664, 46346101, 310463728, 2743944855, 3328955385, 3875770207, 2501218972, 3955191162, 3667219033, 768917123, 3545789473, 692707433, 1150208456, 1786102409, 2029293177, 1805211710, 3710368113, 3065962831, 401639597, 1724457132, 3028143674, 409198410, 2196052529, 1620529459, 1164071807, 3769721975, 2226875310, 486441376, 2499348523, 1483753576, 428819965, 2274680428, 3075636216, 598438867, 3799141122, 1474502543, 711349675, 129166120, 53458370, 2592523643, 2782082824, 4063242375, 2988687269, 3120694122, 1559041666, 730517276, 2460449204, 4042459122, 2706270690, 3446004468, 3573941694, 533804130, 2328143614, 2637442643, 2695033685, 839224033, 1973745387, 957055980, 2856345839, 106852767, 1371368976, 4181598602, 1033297158, 2933734917, 1179510461, 3046200461, 91341917, 1862534868, 4284502037, 605657339, 2547432937, 3431546947, 2003294622, 3182487618, 2282195339, 954669403, 3682191598, 1201765386, 3917234703, 3388507166, 0, 2198438022, 1211247597, 2887651696, 1315723890, 4227665663, 1443857720, 507358933, 657861945, 1678381017, 560487590, 3516619604, 975451694, 2970356327, 261314535, 3535072918, 2652609425, 1333838021, 2724322336, 1767536459, 370938394, 182621114, 3854606378, 1128014560, 487725847, 185469197, 2918353863, 3106780840, 3356761769, 2237133081, 1286567175, 3152976349, 4255350624, 2683765030, 3160175349, 3309594171, 878443390, 1988838185, 3704300486, 1756818940, 1673061617, 3403100636, 272786309, 1075025698, 545572369, 2105887268, 4174560061, 296679730, 1841768865, 1260232239, 4091327024, 3960309330, 3497509347, 1814803222, 2578018489, 4195456072, 575138148, 3299409036, 446754879, 3629546796, 4011996048, 3347532110, 3252238545, 4270639778, 915985419, 3483825537, 681933534, 651868046, 2755636671, 3828103837, 223377554, 2607439820, 1649704518, 3270937875, 3901806776, 1580087799, 4118987695, 3198115200, 2087309459, 2842678573, 3016697106, 1003007129, 2802849917, 1860738147, 2077965243, 164439672, 4100872472, 32283319, 2827177882, 1709610350, 2125135846, 136428751, 3874428392, 3652904859, 3460984630, 3572145929, 3593056380, 2939266226, 824852259, 818324884, 3224740454, 930369212, 2801566410, 2967507152, 355706840, 1257309336, 4148292826, 243256656, 790073846, 2373340630, 1296297904, 1422699085, 3756299780, 3818836405, 457992840, 3099667487, 2135319889, 77422314, 1560382517, 1945798516, 788204353, 1521706781, 1385356242, 870912086, 325965383, 2358957921, 2050466060, 2388260884, 2313884476, 4006521127, 901210569, 3990953189, 1014646705, 1503449823, 1062597235, 2031621326, 3212035895, 3931371469, 1533017514, 350174575, 2256028891, 2177544179, 1052338372, 741876788, 1606591296, 1914052035, 213705253, 2334669897, 1107234197, 1899603969, 3725069491, 2631447780, 2422494913, 1635502980, 1893020342, 1950903388, 1120974935];
+        var T7 = [2807058932, 1699970625, 2764249623, 1586903591, 1808481195, 1173430173, 1487645946, 59984867, 4199882800, 1844882806, 1989249228, 1277555970, 3623636965, 3419915562, 1149249077, 2744104290, 1514790577, 459744698, 244860394, 3235995134, 1963115311, 4027744588, 2544078150, 4190530515, 1608975247, 2627016082, 2062270317, 1507497298, 2200818878, 567498868, 1764313568, 3359936201, 2305455554, 2037970062, 1047239e3, 1910319033, 1337376481, 2904027272, 2892417312, 984907214, 1243112415, 830661914, 861968209, 2135253587, 2011214180, 2927934315, 2686254721, 731183368, 1750626376, 4246310725, 1820824798, 4172763771, 3542330227, 48394827, 2404901663, 2871682645, 671593195, 3254988725, 2073724613, 145085239, 2280796200, 2779915199, 1790575107, 2187128086, 472615631, 3029510009, 4075877127, 3802222185, 4107101658, 3201631749, 1646252340, 4270507174, 1402811438, 1436590835, 3778151818, 3950355702, 3963161475, 4020912224, 2667994737, 273792366, 2331590177, 104699613, 95345982, 3175501286, 2377486676, 1560637892, 3564045318, 369057872, 4213447064, 3919042237, 1137477952, 2658625497, 1119727848, 2340947849, 1530455833, 4007360968, 172466556, 266959938, 516552836, 0, 2256734592, 3980931627, 1890328081, 1917742170, 4294704398, 945164165, 3575528878, 958871085, 3647212047, 2787207260, 1423022939, 775562294, 1739656202, 3876557655, 2530391278, 2443058075, 3310321856, 547512796, 1265195639, 437656594, 3121275539, 719700128, 3762502690, 387781147, 218828297, 3350065803, 2830708150, 2848461854, 428169201, 122466165, 3720081049, 1627235199, 648017665, 4122762354, 1002783846, 2117360635, 695634755, 3336358691, 4234721005, 4049844452, 3704280881, 2232435299, 574624663, 287343814, 612205898, 1039717051, 840019705, 2708326185, 793451934, 821288114, 1391201670, 3822090177, 376187827, 3113855344, 1224348052, 1679968233, 2361698556, 1058709744, 752375421, 2431590963, 1321699145, 3519142200, 2734591178, 188127444, 2177869557, 3727205754, 2384911031, 3215212461, 2648976442, 2450346104, 3432737375, 1180849278, 331544205, 3102249176, 4150144569, 2952102595, 2159976285, 2474404304, 766078933, 313773861, 2570832044, 2108100632, 1668212892, 3145456443, 2013908262, 418672217, 3070356634, 2594734927, 1852171925, 3867060991, 3473416636, 3907448597, 2614737639, 919489135, 164948639, 2094410160, 2997825956, 590424639, 2486224549, 1723872674, 3157750862, 3399941250, 3501252752, 3625268135, 2555048196, 3673637356, 1343127501, 4130281361, 3599595085, 2957853679, 1297403050, 81781910, 3051593425, 2283490410, 532201772, 1367295589, 3926170974, 895287692, 1953757831, 1093597963, 492483431, 3528626907, 1446242576, 1192455638, 1636604631, 209336225, 344873464, 1015671571, 669961897, 3375740769, 3857572124, 2973530695, 3747192018, 1933530610, 3464042516, 935293895, 3454686199, 2858115069, 1863638845, 3683022916, 4085369519, 3292445032, 875313188, 1080017571, 3279033885, 621591778, 1233856572, 2504130317, 24197544, 3017672716, 3835484340, 3247465558, 2220981195, 3060847922, 1551124588, 1463996600];
+        var T8 = [4104605777, 1097159550, 396673818, 660510266, 2875968315, 2638606623, 4200115116, 3808662347, 821712160, 1986918061, 3430322568, 38544885, 3856137295, 718002117, 893681702, 1654886325, 2975484382, 3122358053, 3926825029, 4274053469, 796197571, 1290801793, 1184342925, 3556361835, 2405426947, 2459735317, 1836772287, 1381620373, 3196267988, 1948373848, 3764988233, 3385345166, 3263785589, 2390325492, 1480485785, 3111247143, 3780097726, 2293045232, 548169417, 3459953789, 3746175075, 439452389, 1362321559, 1400849762, 1685577905, 1806599355, 2174754046, 137073913, 1214797936, 1174215055, 3731654548, 2079897426, 1943217067, 1258480242, 529487843, 1437280870, 3945269170, 3049390895, 3313212038, 923313619, 679998e3, 3215307299, 57326082, 377642221, 3474729866, 2041877159, 133361907, 1776460110, 3673476453, 96392454, 878845905, 2801699524, 777231668, 4082475170, 2330014213, 4142626212, 2213296395, 1626319424, 1906247262, 1846563261, 562755902, 3708173718, 1040559837, 3871163981, 1418573201, 3294430577, 114585348, 1343618912, 2566595609, 3186202582, 1078185097, 3651041127, 3896688048, 2307622919, 425408743, 3371096953, 2081048481, 1108339068, 2216610296, 0, 2156299017, 736970802, 292596766, 1517440620, 251657213, 2235061775, 2933202493, 758720310, 265905162, 1554391400, 1532285339, 908999204, 174567692, 1474760595, 4002861748, 2610011675, 3234156416, 3693126241, 2001430874, 303699484, 2478443234, 2687165888, 585122620, 454499602, 151849742, 2345119218, 3064510765, 514443284, 4044981591, 1963412655, 2581445614, 2137062819, 19308535, 1928707164, 1715193156, 4219352155, 1126790795, 600235211, 3992742070, 3841024952, 836553431, 1669664834, 2535604243, 3323011204, 1243905413, 3141400786, 4180808110, 698445255, 2653899549, 2989552604, 2253581325, 3252932727, 3004591147, 1891211689, 2487810577, 3915653703, 4237083816, 4030667424, 2100090966, 865136418, 1229899655, 953270745, 3399679628, 3557504664, 4118925222, 2061379749, 3079546586, 2915017791, 983426092, 2022837584, 1607244650, 2118541908, 2366882550, 3635996816, 972512814, 3283088770, 1568718495, 3499326569, 3576539503, 621982671, 2895723464, 410887952, 2623762152, 1002142683, 645401037, 1494807662, 2595684844, 1335535747, 2507040230, 4293295786, 3167684641, 367585007, 3885750714, 1865862730, 2668221674, 2960971305, 2763173681, 1059270954, 2777952454, 2724642869, 1320957812, 2194319100, 2429595872, 2815956275, 77089521, 3973773121, 3444575871, 2448830231, 1305906550, 4021308739, 2857194700, 2516901860, 3518358430, 1787304780, 740276417, 1699839814, 1592394909, 2352307457, 2272556026, 188821243, 1729977011, 3687994002, 274084841, 3594982253, 3613494426, 2701949495, 4162096729, 322734571, 2837966542, 1640576439, 484830689, 1202797690, 3537852828, 4067639125, 349075736, 3342319475, 4157467219, 4255800159, 1030690015, 1155237496, 2951971274, 1757691577, 607398968, 2738905026, 499347990, 3794078908, 1011452712, 227885567, 2818666809, 213114376, 3034881240, 1455525988, 3414450555, 850817237, 1817998408, 3092726480];
+        var U1 = [0, 235474187, 470948374, 303765277, 941896748, 908933415, 607530554, 708780849, 1883793496, 2118214995, 1817866830, 1649639237, 1215061108, 1181045119, 1417561698, 1517767529, 3767586992, 4003061179, 4236429990, 4069246893, 3635733660, 3602770327, 3299278474, 3400528769, 2430122216, 2664543715, 2362090238, 2193862645, 2835123396, 2801107407, 3035535058, 3135740889, 3678124923, 3576870512, 3341394285, 3374361702, 3810496343, 3977675356, 4279080257, 4043610186, 2876494627, 2776292904, 3076639029, 3110650942, 2472011535, 2640243204, 2403728665, 2169303058, 1001089995, 899835584, 666464733, 699432150, 59727847, 226906860, 530400753, 294930682, 1273168787, 1172967064, 1475418501, 1509430414, 1942435775, 2110667444, 1876241833, 1641816226, 2910219766, 2743034109, 2976151520, 3211623147, 2505202138, 2606453969, 2302690252, 2269728455, 3711829422, 3543599269, 3240894392, 3475313331, 3843699074, 3943906441, 4178062228, 4144047775, 1306967366, 1139781709, 1374988112, 1610459739, 1975683434, 2076935265, 1775276924, 1742315127, 1034867998, 866637845, 566021896, 800440835, 92987698, 193195065, 429456164, 395441711, 1984812685, 2017778566, 1784663195, 1683407248, 1315562145, 1080094634, 1383856311, 1551037884, 101039829, 135050206, 437757123, 337553864, 1042385657, 807962610, 573804783, 742039012, 2531067453, 2564033334, 2328828971, 2227573024, 2935566865, 2700099354, 3001755655, 3168937228, 3868552805, 3902563182, 4203181171, 4102977912, 3736164937, 3501741890, 3265478751, 3433712980, 1106041591, 1340463100, 1576976609, 1408749034, 2043211483, 2009195472, 1708848333, 1809054150, 832877231, 1068351396, 766945465, 599762354, 159417987, 126454664, 361929877, 463180190, 2709260871, 2943682380, 3178106961, 3009879386, 2572697195, 2538681184, 2236228733, 2336434550, 3509871135, 3745345300, 3441850377, 3274667266, 3910161971, 3877198648, 4110568485, 4211818798, 2597806476, 2497604743, 2261089178, 2295101073, 2733856160, 2902087851, 3202437046, 2968011453, 3936291284, 3835036895, 4136440770, 4169408201, 3535486456, 3702665459, 3467192302, 3231722213, 2051518780, 1951317047, 1716890410, 1750902305, 1113818384, 1282050075, 1584504582, 1350078989, 168810852, 67556463, 371049330, 404016761, 841739592, 1008918595, 775550814, 540080725, 3969562369, 3801332234, 4035489047, 4269907996, 3569255213, 3669462566, 3366754619, 3332740144, 2631065433, 2463879762, 2160117071, 2395588676, 2767645557, 2868897406, 3102011747, 3069049960, 202008497, 33778362, 270040487, 504459436, 875451293, 975658646, 675039627, 641025152, 2084704233, 1917518562, 1615861247, 1851332852, 1147550661, 1248802510, 1484005843, 1451044056, 933301370, 967311729, 733156972, 632953703, 260388950, 25965917, 328671808, 496906059, 1206477858, 1239443753, 1543208500, 1441952575, 2144161806, 1908694277, 1675577880, 1842759443, 3610369226, 3644379585, 3408119516, 3307916247, 4011190502, 3776767469, 4077384432, 4245618683, 2809771154, 2842737049, 3144396420, 3043140495, 2673705150, 2438237621, 2203032232, 2370213795];
+        var U2 = [0, 185469197, 370938394, 487725847, 741876788, 657861945, 975451694, 824852259, 1483753576, 1400783205, 1315723890, 1164071807, 1950903388, 2135319889, 1649704518, 1767536459, 2967507152, 3152976349, 2801566410, 2918353863, 2631447780, 2547432937, 2328143614, 2177544179, 3901806776, 3818836405, 4270639778, 4118987695, 3299409036, 3483825537, 3535072918, 3652904859, 2077965243, 1893020342, 1841768865, 1724457132, 1474502543, 1559041666, 1107234197, 1257309336, 598438867, 681933534, 901210569, 1052338372, 261314535, 77422314, 428819965, 310463728, 3409685355, 3224740454, 3710368113, 3593056380, 3875770207, 3960309330, 4045380933, 4195456072, 2471224067, 2554718734, 2237133081, 2388260884, 3212035895, 3028143674, 2842678573, 2724322336, 4138563181, 4255350624, 3769721975, 3955191162, 3667219033, 3516619604, 3431546947, 3347532110, 2933734917, 2782082824, 3099667487, 3016697106, 2196052529, 2313884476, 2499348523, 2683765030, 1179510461, 1296297904, 1347548327, 1533017514, 1786102409, 1635502980, 2087309459, 2003294622, 507358933, 355706840, 136428751, 53458370, 839224033, 957055980, 605657339, 790073846, 2373340630, 2256028891, 2607439820, 2422494913, 2706270690, 2856345839, 3075636216, 3160175349, 3573941694, 3725069491, 3273267108, 3356761769, 4181598602, 4063242375, 4011996048, 3828103837, 1033297158, 915985419, 730517276, 545572369, 296679730, 446754879, 129166120, 213705253, 1709610350, 1860738147, 1945798516, 2029293177, 1239331162, 1120974935, 1606591296, 1422699085, 4148292826, 4233094615, 3781033664, 3931371469, 3682191598, 3497509347, 3446004468, 3328955385, 2939266226, 2755636671, 3106780840, 2988687269, 2198438022, 2282195339, 2501218972, 2652609425, 1201765386, 1286567175, 1371368976, 1521706781, 1805211710, 1620529459, 2105887268, 1988838185, 533804130, 350174575, 164439672, 46346101, 870912086, 954669403, 636813900, 788204353, 2358957921, 2274680428, 2592523643, 2441661558, 2695033685, 2880240216, 3065962831, 3182487618, 3572145929, 3756299780, 3270937875, 3388507166, 4174560061, 4091327024, 4006521127, 3854606378, 1014646705, 930369212, 711349675, 560487590, 272786309, 457992840, 106852767, 223377554, 1678381017, 1862534868, 1914052035, 2031621326, 1211247597, 1128014560, 1580087799, 1428173050, 32283319, 182621114, 401639597, 486441376, 768917123, 651868046, 1003007129, 818324884, 1503449823, 1385356242, 1333838021, 1150208456, 1973745387, 2125135846, 1673061617, 1756818940, 2970356327, 3120694122, 2802849917, 2887651696, 2637442643, 2520393566, 2334669897, 2149987652, 3917234703, 3799141122, 4284502037, 4100872472, 3309594171, 3460984630, 3545789473, 3629546796, 2050466060, 1899603969, 1814803222, 1730525723, 1443857720, 1560382517, 1075025698, 1260232239, 575138148, 692707433, 878443390, 1062597235, 243256656, 91341917, 409198410, 325965383, 3403100636, 3252238545, 3704300486, 3620022987, 3874428392, 3990953189, 4042459122, 4227665663, 2460449204, 2578018489, 2226875310, 2411029155, 3198115200, 3046200461, 2827177882, 2743944855];
+        var U3 = [0, 218828297, 437656594, 387781147, 875313188, 958871085, 775562294, 590424639, 1750626376, 1699970625, 1917742170, 2135253587, 1551124588, 1367295589, 1180849278, 1265195639, 3501252752, 3720081049, 3399941250, 3350065803, 3835484340, 3919042237, 4270507174, 4085369519, 3102249176, 3051593425, 2734591178, 2952102595, 2361698556, 2177869557, 2530391278, 2614737639, 3145456443, 3060847922, 2708326185, 2892417312, 2404901663, 2187128086, 2504130317, 2555048196, 3542330227, 3727205754, 3375740769, 3292445032, 3876557655, 3926170974, 4246310725, 4027744588, 1808481195, 1723872674, 1910319033, 2094410160, 1608975247, 1391201670, 1173430173, 1224348052, 59984867, 244860394, 428169201, 344873464, 935293895, 984907214, 766078933, 547512796, 1844882806, 1627235199, 2011214180, 2062270317, 1507497298, 1423022939, 1137477952, 1321699145, 95345982, 145085239, 532201772, 313773861, 830661914, 1015671571, 731183368, 648017665, 3175501286, 2957853679, 2807058932, 2858115069, 2305455554, 2220981195, 2474404304, 2658625497, 3575528878, 3625268135, 3473416636, 3254988725, 3778151818, 3963161475, 4213447064, 4130281361, 3599595085, 3683022916, 3432737375, 3247465558, 3802222185, 4020912224, 4172763771, 4122762354, 3201631749, 3017672716, 2764249623, 2848461854, 2331590177, 2280796200, 2431590963, 2648976442, 104699613, 188127444, 472615631, 287343814, 840019705, 1058709744, 671593195, 621591778, 1852171925, 1668212892, 1953757831, 2037970062, 1514790577, 1463996600, 1080017571, 1297403050, 3673637356, 3623636965, 3235995134, 3454686199, 4007360968, 3822090177, 4107101658, 4190530515, 2997825956, 3215212461, 2830708150, 2779915199, 2256734592, 2340947849, 2627016082, 2443058075, 172466556, 122466165, 273792366, 492483431, 1047239e3, 861968209, 612205898, 695634755, 1646252340, 1863638845, 2013908262, 1963115311, 1446242576, 1530455833, 1277555970, 1093597963, 1636604631, 1820824798, 2073724613, 1989249228, 1436590835, 1487645946, 1337376481, 1119727848, 164948639, 81781910, 331544205, 516552836, 1039717051, 821288114, 669961897, 719700128, 2973530695, 3157750862, 2871682645, 2787207260, 2232435299, 2283490410, 2667994737, 2450346104, 3647212047, 3564045318, 3279033885, 3464042516, 3980931627, 3762502690, 4150144569, 4199882800, 3070356634, 3121275539, 2904027272, 2686254721, 2200818878, 2384911031, 2570832044, 2486224549, 3747192018, 3528626907, 3310321856, 3359936201, 3950355702, 3867060991, 4049844452, 4234721005, 1739656202, 1790575107, 2108100632, 1890328081, 1402811438, 1586903591, 1233856572, 1149249077, 266959938, 48394827, 369057872, 418672217, 1002783846, 919489135, 567498868, 752375421, 209336225, 24197544, 376187827, 459744698, 945164165, 895287692, 574624663, 793451934, 1679968233, 1764313568, 2117360635, 1933530610, 1343127501, 1560637892, 1243112415, 1192455638, 3704280881, 3519142200, 3336358691, 3419915562, 3907448597, 3857572124, 4075877127, 4294704398, 3029510009, 3113855344, 2927934315, 2744104290, 2159976285, 2377486676, 2594734927, 2544078150];
+        var U4 = [0, 151849742, 303699484, 454499602, 607398968, 758720310, 908999204, 1059270954, 1214797936, 1097159550, 1517440620, 1400849762, 1817998408, 1699839814, 2118541908, 2001430874, 2429595872, 2581445614, 2194319100, 2345119218, 3034881240, 3186202582, 2801699524, 2951971274, 3635996816, 3518358430, 3399679628, 3283088770, 4237083816, 4118925222, 4002861748, 3885750714, 1002142683, 850817237, 698445255, 548169417, 529487843, 377642221, 227885567, 77089521, 1943217067, 2061379749, 1640576439, 1757691577, 1474760595, 1592394909, 1174215055, 1290801793, 2875968315, 2724642869, 3111247143, 2960971305, 2405426947, 2253581325, 2638606623, 2487810577, 3808662347, 3926825029, 4044981591, 4162096729, 3342319475, 3459953789, 3576539503, 3693126241, 1986918061, 2137062819, 1685577905, 1836772287, 1381620373, 1532285339, 1078185097, 1229899655, 1040559837, 923313619, 740276417, 621982671, 439452389, 322734571, 137073913, 19308535, 3871163981, 4021308739, 4104605777, 4255800159, 3263785589, 3414450555, 3499326569, 3651041127, 2933202493, 2815956275, 3167684641, 3049390895, 2330014213, 2213296395, 2566595609, 2448830231, 1305906550, 1155237496, 1607244650, 1455525988, 1776460110, 1626319424, 2079897426, 1928707164, 96392454, 213114376, 396673818, 514443284, 562755902, 679998e3, 865136418, 983426092, 3708173718, 3557504664, 3474729866, 3323011204, 4180808110, 4030667424, 3945269170, 3794078908, 2507040230, 2623762152, 2272556026, 2390325492, 2975484382, 3092726480, 2738905026, 2857194700, 3973773121, 3856137295, 4274053469, 4157467219, 3371096953, 3252932727, 3673476453, 3556361835, 2763173681, 2915017791, 3064510765, 3215307299, 2156299017, 2307622919, 2459735317, 2610011675, 2081048481, 1963412655, 1846563261, 1729977011, 1480485785, 1362321559, 1243905413, 1126790795, 878845905, 1030690015, 645401037, 796197571, 274084841, 425408743, 38544885, 188821243, 3613494426, 3731654548, 3313212038, 3430322568, 4082475170, 4200115116, 3780097726, 3896688048, 2668221674, 2516901860, 2366882550, 2216610296, 3141400786, 2989552604, 2837966542, 2687165888, 1202797690, 1320957812, 1437280870, 1554391400, 1669664834, 1787304780, 1906247262, 2022837584, 265905162, 114585348, 499347990, 349075736, 736970802, 585122620, 972512814, 821712160, 2595684844, 2478443234, 2293045232, 2174754046, 3196267988, 3079546586, 2895723464, 2777952454, 3537852828, 3687994002, 3234156416, 3385345166, 4142626212, 4293295786, 3841024952, 3992742070, 174567692, 57326082, 410887952, 292596766, 777231668, 660510266, 1011452712, 893681702, 1108339068, 1258480242, 1343618912, 1494807662, 1715193156, 1865862730, 1948373848, 2100090966, 2701949495, 2818666809, 3004591147, 3122358053, 2235061775, 2352307457, 2535604243, 2653899549, 3915653703, 3764988233, 4219352155, 4067639125, 3444575871, 3294430577, 3746175075, 3594982253, 836553431, 953270745, 600235211, 718002117, 367585007, 484830689, 133361907, 251657213, 2041877159, 1891211689, 1806599355, 1654886325, 1568718495, 1418573201, 1335535747, 1184342925];
+        function convertToInt32(bytes) {
+          var result = [];
+          for (var i2 = 0; i2 < bytes.length; i2 += 4) {
+            result.push(
+              bytes[i2] << 24 | bytes[i2 + 1] << 16 | bytes[i2 + 2] << 8 | bytes[i2 + 3]
+            );
+          }
+          return result;
+        }
+        var AES = function(key) {
+          if (!(this instanceof AES)) {
+            throw Error("AES must be instanitated with `new`");
+          }
+          Object.defineProperty(this, "key", {
+            value: coerceArray(key, true)
+          });
+          this._prepare();
+        };
+        AES.prototype._prepare = function() {
+          var rounds = numberOfRounds[this.key.length];
+          if (rounds == null) {
+            throw new Error("invalid key size (must be 16, 24 or 32 bytes)");
+          }
+          this._Ke = [];
+          this._Kd = [];
+          for (var i2 = 0; i2 <= rounds; i2++) {
+            this._Ke.push([0, 0, 0, 0]);
+            this._Kd.push([0, 0, 0, 0]);
+          }
+          var roundKeyCount = (rounds + 1) * 4;
+          var KC = this.key.length / 4;
+          var tk = convertToInt32(this.key);
+          var index;
+          for (var i2 = 0; i2 < KC; i2++) {
+            index = i2 >> 2;
+            this._Ke[index][i2 % 4] = tk[i2];
+            this._Kd[rounds - index][i2 % 4] = tk[i2];
+          }
+          var rconpointer = 0;
+          var t = KC, tt;
+          while (t < roundKeyCount) {
+            tt = tk[KC - 1];
+            tk[0] ^= S[tt >> 16 & 255] << 24 ^ S[tt >> 8 & 255] << 16 ^ S[tt & 255] << 8 ^ S[tt >> 24 & 255] ^ rcon[rconpointer] << 24;
+            rconpointer += 1;
+            if (KC != 8) {
+              for (var i2 = 1; i2 < KC; i2++) {
+                tk[i2] ^= tk[i2 - 1];
+              }
+            } else {
+              for (var i2 = 1; i2 < KC / 2; i2++) {
+                tk[i2] ^= tk[i2 - 1];
+              }
+              tt = tk[KC / 2 - 1];
+              tk[KC / 2] ^= S[tt & 255] ^ S[tt >> 8 & 255] << 8 ^ S[tt >> 16 & 255] << 16 ^ S[tt >> 24 & 255] << 24;
+              for (var i2 = KC / 2 + 1; i2 < KC; i2++) {
+                tk[i2] ^= tk[i2 - 1];
+              }
+            }
+            var i2 = 0, r, c;
+            while (i2 < KC && t < roundKeyCount) {
+              r = t >> 2;
+              c = t % 4;
+              this._Ke[r][c] = tk[i2];
+              this._Kd[rounds - r][c] = tk[i2++];
+              t++;
+            }
+          }
+          for (var r = 1; r < rounds; r++) {
+            for (var c = 0; c < 4; c++) {
+              tt = this._Kd[r][c];
+              this._Kd[r][c] = U1[tt >> 24 & 255] ^ U2[tt >> 16 & 255] ^ U3[tt >> 8 & 255] ^ U4[tt & 255];
+            }
+          }
+        };
+        AES.prototype.encrypt = function(plaintext) {
+          if (plaintext.length != 16) {
+            throw new Error("invalid plaintext size (must be 16 bytes)");
+          }
+          var rounds = this._Ke.length - 1;
+          var a = [0, 0, 0, 0];
+          var t = convertToInt32(plaintext);
+          for (var i2 = 0; i2 < 4; i2++) {
+            t[i2] ^= this._Ke[0][i2];
+          }
+          for (var r = 1; r < rounds; r++) {
+            for (var i2 = 0; i2 < 4; i2++) {
+              a[i2] = T1[t[i2] >> 24 & 255] ^ T2[t[(i2 + 1) % 4] >> 16 & 255] ^ T3[t[(i2 + 2) % 4] >> 8 & 255] ^ T4[t[(i2 + 3) % 4] & 255] ^ this._Ke[r][i2];
+            }
+            t = a.slice();
+          }
+          var result = createArray(16), tt;
+          for (var i2 = 0; i2 < 4; i2++) {
+            tt = this._Ke[rounds][i2];
+            result[4 * i2] = (S[t[i2] >> 24 & 255] ^ tt >> 24) & 255;
+            result[4 * i2 + 1] = (S[t[(i2 + 1) % 4] >> 16 & 255] ^ tt >> 16) & 255;
+            result[4 * i2 + 2] = (S[t[(i2 + 2) % 4] >> 8 & 255] ^ tt >> 8) & 255;
+            result[4 * i2 + 3] = (S[t[(i2 + 3) % 4] & 255] ^ tt) & 255;
+          }
+          return result;
+        };
+        AES.prototype.decrypt = function(ciphertext) {
+          if (ciphertext.length != 16) {
+            throw new Error("invalid ciphertext size (must be 16 bytes)");
+          }
+          var rounds = this._Kd.length - 1;
+          var a = [0, 0, 0, 0];
+          var t = convertToInt32(ciphertext);
+          for (var i2 = 0; i2 < 4; i2++) {
+            t[i2] ^= this._Kd[0][i2];
+          }
+          for (var r = 1; r < rounds; r++) {
+            for (var i2 = 0; i2 < 4; i2++) {
+              a[i2] = T5[t[i2] >> 24 & 255] ^ T6[t[(i2 + 3) % 4] >> 16 & 255] ^ T7[t[(i2 + 2) % 4] >> 8 & 255] ^ T8[t[(i2 + 1) % 4] & 255] ^ this._Kd[r][i2];
+            }
+            t = a.slice();
+          }
+          var result = createArray(16), tt;
+          for (var i2 = 0; i2 < 4; i2++) {
+            tt = this._Kd[rounds][i2];
+            result[4 * i2] = (Si[t[i2] >> 24 & 255] ^ tt >> 24) & 255;
+            result[4 * i2 + 1] = (Si[t[(i2 + 3) % 4] >> 16 & 255] ^ tt >> 16) & 255;
+            result[4 * i2 + 2] = (Si[t[(i2 + 2) % 4] >> 8 & 255] ^ tt >> 8) & 255;
+            result[4 * i2 + 3] = (Si[t[(i2 + 1) % 4] & 255] ^ tt) & 255;
+          }
+          return result;
+        };
+        var ModeOfOperationECB = function(key) {
+          if (!(this instanceof ModeOfOperationECB)) {
+            throw Error("AES must be instanitated with `new`");
+          }
+          this.description = "Electronic Code Block";
+          this.name = "ecb";
+          this._aes = new AES(key);
+        };
+        ModeOfOperationECB.prototype.encrypt = function(plaintext) {
+          plaintext = coerceArray(plaintext);
+          if (plaintext.length % 16 !== 0) {
+            throw new Error("invalid plaintext size (must be multiple of 16 bytes)");
+          }
+          var ciphertext = createArray(plaintext.length);
+          var block2 = createArray(16);
+          for (var i2 = 0; i2 < plaintext.length; i2 += 16) {
+            copyArray(plaintext, block2, 0, i2, i2 + 16);
+            block2 = this._aes.encrypt(block2);
+            copyArray(block2, ciphertext, i2);
+          }
+          return ciphertext;
+        };
+        ModeOfOperationECB.prototype.decrypt = function(ciphertext) {
+          ciphertext = coerceArray(ciphertext);
+          if (ciphertext.length % 16 !== 0) {
+            throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");
+          }
+          var plaintext = createArray(ciphertext.length);
+          var block2 = createArray(16);
+          for (var i2 = 0; i2 < ciphertext.length; i2 += 16) {
+            copyArray(ciphertext, block2, 0, i2, i2 + 16);
+            block2 = this._aes.decrypt(block2);
+            copyArray(block2, plaintext, i2);
+          }
+          return plaintext;
+        };
+        var ModeOfOperationCBC = function(key, iv) {
+          if (!(this instanceof ModeOfOperationCBC)) {
+            throw Error("AES must be instanitated with `new`");
+          }
+          this.description = "Cipher Block Chaining";
+          this.name = "cbc";
+          if (!iv) {
+            iv = createArray(16);
+          } else if (iv.length != 16) {
+            throw new Error("invalid initialation vector size (must be 16 bytes)");
+          }
+          this._lastCipherblock = coerceArray(iv, true);
+          this._aes = new AES(key);
+        };
+        ModeOfOperationCBC.prototype.encrypt = function(plaintext) {
+          plaintext = coerceArray(plaintext);
+          if (plaintext.length % 16 !== 0) {
+            throw new Error("invalid plaintext size (must be multiple of 16 bytes)");
+          }
+          var ciphertext = createArray(plaintext.length);
+          var block2 = createArray(16);
+          for (var i2 = 0; i2 < plaintext.length; i2 += 16) {
+            copyArray(plaintext, block2, 0, i2, i2 + 16);
+            for (var j2 = 0; j2 < 16; j2++) {
+              block2[j2] ^= this._lastCipherblock[j2];
+            }
+            this._lastCipherblock = this._aes.encrypt(block2);
+            copyArray(this._lastCipherblock, ciphertext, i2);
+          }
+          return ciphertext;
+        };
+        ModeOfOperationCBC.prototype.decrypt = function(ciphertext) {
+          ciphertext = coerceArray(ciphertext);
+          if (ciphertext.length % 16 !== 0) {
+            throw new Error("invalid ciphertext size (must be multiple of 16 bytes)");
+          }
+          var plaintext = createArray(ciphertext.length);
+          var block2 = createArray(16);
+          for (var i2 = 0; i2 < ciphertext.length; i2 += 16) {
+            copyArray(ciphertext, block2, 0, i2, i2 + 16);
+            block2 = this._aes.decrypt(block2);
+            for (var j2 = 0; j2 < 16; j2++) {
+              plaintext[i2 + j2] = block2[j2] ^ this._lastCipherblock[j2];
+            }
+            copyArray(ciphertext, this._lastCipherblock, 0, i2, i2 + 16);
+          }
+          return plaintext;
+        };
+        var ModeOfOperationCFB = function(key, iv, segmentSize) {
+          if (!(this instanceof ModeOfOperationCFB)) {
+            throw Error("AES must be instanitated with `new`");
+          }
+          this.description = "Cipher Feedback";
+          this.name = "cfb";
+          if (!iv) {
+            iv = createArray(16);
+          } else if (iv.length != 16) {
+            throw new Error("invalid initialation vector size (must be 16 size)");
+          }
+          if (!segmentSize) {
+            segmentSize = 1;
+          }
+          this.segmentSize = segmentSize;
+          this._shiftRegister = coerceArray(iv, true);
+          this._aes = new AES(key);
+        };
+        ModeOfOperationCFB.prototype.encrypt = function(plaintext) {
+          if (plaintext.length % this.segmentSize != 0) {
+            throw new Error("invalid plaintext size (must be segmentSize bytes)");
+          }
+          var encrypted = coerceArray(plaintext, true);
+          var xorSegment;
+          for (var i2 = 0; i2 < encrypted.length; i2 += this.segmentSize) {
+            xorSegment = this._aes.encrypt(this._shiftRegister);
+            for (var j2 = 0; j2 < this.segmentSize; j2++) {
+              encrypted[i2 + j2] ^= xorSegment[j2];
+            }
+            copyArray(this._shiftRegister, this._shiftRegister, 0, this.segmentSize);
+            copyArray(encrypted, this._shiftRegister, 16 - this.segmentSize, i2, i2 + this.segmentSize);
+          }
+          return encrypted;
+        };
+        ModeOfOperationCFB.prototype.decrypt = function(ciphertext) {
+          if (ciphertext.length % this.segmentSize != 0) {
+            throw new Error("invalid ciphertext size (must be segmentSize bytes)");
+          }
+          var plaintext = coerceArray(ciphertext, true);
+          var xorSegment;
+          for (var i2 = 0; i2 < plaintext.length; i2 += this.segmentSize) {
+            xorSegment = this._aes.encrypt(this._shiftRegister);
+            for (var j2 = 0; j2 < this.segmentSize; j2++) {
+              plaintext[i2 + j2] ^= xorSegment[j2];
+            }
+            copyArray(this._shiftRegister, this._shiftRegister, 0, this.segmentSize);
+            copyArray(ciphertext, this._shiftRegister, 16 - this.segmentSize, i2, i2 + this.segmentSize);
+          }
+          return plaintext;
+        };
+        var ModeOfOperationOFB = function(key, iv) {
+          if (!(this instanceof ModeOfOperationOFB)) {
+            throw Error("AES must be instanitated with `new`");
+          }
+          this.description = "Output Feedback";
+          this.name = "ofb";
+          if (!iv) {
+            iv = createArray(16);
+          } else if (iv.length != 16) {
+            throw new Error("invalid initialation vector size (must be 16 bytes)");
+          }
+          this._lastPrecipher = coerceArray(iv, true);
+          this._lastPrecipherIndex = 16;
+          this._aes = new AES(key);
+        };
+        ModeOfOperationOFB.prototype.encrypt = function(plaintext) {
+          var encrypted = coerceArray(plaintext, true);
+          for (var i2 = 0; i2 < encrypted.length; i2++) {
+            if (this._lastPrecipherIndex === 16) {
+              this._lastPrecipher = this._aes.encrypt(this._lastPrecipher);
+              this._lastPrecipherIndex = 0;
+            }
+            encrypted[i2] ^= this._lastPrecipher[this._lastPrecipherIndex++];
+          }
+          return encrypted;
+        };
+        ModeOfOperationOFB.prototype.decrypt = ModeOfOperationOFB.prototype.encrypt;
+        var Counter = function(initialValue) {
+          if (!(this instanceof Counter)) {
+            throw Error("Counter must be instanitated with `new`");
+          }
+          if (initialValue !== 0 && !initialValue) {
+            initialValue = 1;
+          }
+          if (typeof initialValue === "number") {
+            this._counter = createArray(16);
+            this.setValue(initialValue);
+          } else {
+            this.setBytes(initialValue);
+          }
+        };
+        Counter.prototype.setValue = function(value) {
+          if (typeof value !== "number" || parseInt(value) != value) {
+            throw new Error("invalid counter value (must be an integer)");
+          }
+          if (value > Number.MAX_SAFE_INTEGER) {
+            throw new Error("integer value out of safe range");
+          }
+          for (var index = 15; index >= 0; --index) {
+            this._counter[index] = value % 256;
+            value = parseInt(value / 256);
+          }
+        };
+        Counter.prototype.setBytes = function(bytes) {
+          bytes = coerceArray(bytes, true);
+          if (bytes.length != 16) {
+            throw new Error("invalid counter bytes size (must be 16 bytes)");
+          }
+          this._counter = bytes;
+        };
+        Counter.prototype.increment = function() {
+          for (var i2 = 15; i2 >= 0; i2--) {
+            if (this._counter[i2] === 255) {
+              this._counter[i2] = 0;
+            } else {
+              this._counter[i2]++;
+              break;
+            }
+          }
+        };
+        var ModeOfOperationCTR = function(key, counter) {
+          if (!(this instanceof ModeOfOperationCTR)) {
+            throw Error("AES must be instanitated with `new`");
+          }
+          this.description = "Counter";
+          this.name = "ctr";
+          if (!(counter instanceof Counter)) {
+            counter = new Counter(counter);
+          }
+          this._counter = counter;
+          this._remainingCounter = null;
+          this._remainingCounterIndex = 16;
+          this._aes = new AES(key);
+        };
+        ModeOfOperationCTR.prototype.encrypt = function(plaintext) {
+          var encrypted = coerceArray(plaintext, true);
+          for (var i2 = 0; i2 < encrypted.length; i2++) {
+            if (this._remainingCounterIndex === 16) {
+              this._remainingCounter = this._aes.encrypt(this._counter._counter);
+              this._remainingCounterIndex = 0;
+              this._counter.increment();
+            }
+            encrypted[i2] ^= this._remainingCounter[this._remainingCounterIndex++];
+          }
+          return encrypted;
+        };
+        ModeOfOperationCTR.prototype.decrypt = ModeOfOperationCTR.prototype.encrypt;
+        function pkcs7pad(data) {
+          data = coerceArray(data, true);
+          var padder = 16 - data.length % 16;
+          var result = createArray(data.length + padder);
+          copyArray(data, result);
+          for (var i2 = data.length; i2 < result.length; i2++) {
+            result[i2] = padder;
+          }
+          return result;
+        }
+        function pkcs7strip(data) {
+          data = coerceArray(data, true);
+          if (data.length < 16) {
+            throw new Error("PKCS#7 invalid length");
+          }
+          var padder = data[data.length - 1];
+          if (padder > 16) {
+            throw new Error("PKCS#7 padding byte out of range");
+          }
+          var length = data.length - padder;
+          for (var i2 = 0; i2 < padder; i2++) {
+            if (data[length + i2] !== padder) {
+              throw new Error("PKCS#7 invalid padding byte");
+            }
+          }
+          var result = createArray(length);
+          copyArray(data, result, 0, 0, length);
+          return result;
+        }
+        var aesjs2 = {
+          AES,
+          Counter,
+          ModeOfOperation: {
+            ecb: ModeOfOperationECB,
+            cbc: ModeOfOperationCBC,
+            cfb: ModeOfOperationCFB,
+            ofb: ModeOfOperationOFB,
+            ctr: ModeOfOperationCTR
+          },
+          utils: {
+            hex: convertHex,
+            utf8: convertUtf8
+          },
+          padding: {
+            pkcs7: {
+              pad: pkcs7pad,
+              strip: pkcs7strip
+            }
+          },
+          _arrayTest: {
+            coerceArray,
+            createArray,
+            copyArray
+          }
+        };
+        if (typeof exports2 !== "undefined") {
+          module2.exports = aesjs2;
+        } else if (typeof define === "function" && define.amd) {
+          define([], function() {
+            return aesjs2;
+          });
+        } else {
+          if (root3.aesjs) {
+            aesjs2._aesjs = root3.aesjs;
+          }
+          root3.aesjs = aesjs2;
+        }
+      })(exports2);
+    }
+  });
+
+  // node_modules/lodash/lodash.js
+  var require_lodash = __commonJS({
+    "node_modules/lodash/lodash.js"(exports2, module2) {
+      (function() {
+        var undefined2;
+        var VERSION = "4.17.21";
+        var LARGE_ARRAY_SIZE2 = 200;
+        var CORE_ERROR_TEXT = "Unsupported core-js use. Try https://npms.io/search?q=ponyfill.", FUNC_ERROR_TEXT3 = "Expected a function", INVALID_TEMPL_VAR_ERROR_TEXT = "Invalid `variable` option passed into `_.template`";
+        var HASH_UNDEFINED4 = "__lodash_hash_undefined__";
+        var MAX_MEMOIZE_SIZE = 500;
+        var PLACEHOLDER = "__lodash_placeholder__";
+        var CLONE_DEEP_FLAG = 1, CLONE_FLAT_FLAG = 2, CLONE_SYMBOLS_FLAG = 4;
+        var COMPARE_PARTIAL_FLAG5 = 1, COMPARE_UNORDERED_FLAG3 = 2;
+        var WRAP_BIND_FLAG = 1, WRAP_BIND_KEY_FLAG = 2, WRAP_CURRY_BOUND_FLAG = 4, WRAP_CURRY_FLAG = 8, WRAP_CURRY_RIGHT_FLAG = 16, WRAP_PARTIAL_FLAG = 32, WRAP_PARTIAL_RIGHT_FLAG = 64, WRAP_ARY_FLAG = 128, WRAP_REARG_FLAG = 256, WRAP_FLIP_FLAG = 512;
+        var DEFAULT_TRUNC_LENGTH = 30, DEFAULT_TRUNC_OMISSION = "...";
+        var HOT_COUNT = 800, HOT_SPAN = 16;
+        var LAZY_FILTER_FLAG = 1, LAZY_MAP_FLAG = 2, LAZY_WHILE_FLAG = 3;
+        var INFINITY2 = 1 / 0, MAX_SAFE_INTEGER3 = 9007199254740991, MAX_INTEGER = 17976931348623157e292, NAN2 = 0 / 0;
+        var MAX_ARRAY_LENGTH = 4294967295, MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1, HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+        var wrapFlags = [
+          ["ary", WRAP_ARY_FLAG],
+          ["bind", WRAP_BIND_FLAG],
+          ["bindKey", WRAP_BIND_KEY_FLAG],
+          ["curry", WRAP_CURRY_FLAG],
+          ["curryRight", WRAP_CURRY_RIGHT_FLAG],
+          ["flip", WRAP_FLIP_FLAG],
+          ["partial", WRAP_PARTIAL_FLAG],
+          ["partialRight", WRAP_PARTIAL_RIGHT_FLAG],
+          ["rearg", WRAP_REARG_FLAG]
+        ];
+        var argsTag4 = "[object Arguments]", arrayTag3 = "[object Array]", asyncTag2 = "[object AsyncFunction]", boolTag3 = "[object Boolean]", dateTag3 = "[object Date]", domExcTag = "[object DOMException]", errorTag3 = "[object Error]", funcTag3 = "[object Function]", genTag2 = "[object GeneratorFunction]", mapTag4 = "[object Map]", numberTag3 = "[object Number]", nullTag2 = "[object Null]", objectTag4 = "[object Object]", promiseTag2 = "[object Promise]", proxyTag2 = "[object Proxy]", regexpTag3 = "[object RegExp]", setTag4 = "[object Set]", stringTag3 = "[object String]", symbolTag3 = "[object Symbol]", undefinedTag2 = "[object Undefined]", weakMapTag3 = "[object WeakMap]", weakSetTag = "[object WeakSet]";
+        var arrayBufferTag3 = "[object ArrayBuffer]", dataViewTag4 = "[object DataView]", float32Tag2 = "[object Float32Array]", float64Tag2 = "[object Float64Array]", int8Tag2 = "[object Int8Array]", int16Tag2 = "[object Int16Array]", int32Tag2 = "[object Int32Array]", uint8Tag2 = "[object Uint8Array]", uint8ClampedTag2 = "[object Uint8ClampedArray]", uint16Tag2 = "[object Uint16Array]", uint32Tag2 = "[object Uint32Array]";
+        var reEmptyStringLeading = /\b__p \+= '';/g, reEmptyStringMiddle = /\b(__p \+=) '' \+/g, reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+        var reEscapedHtml2 = /&(?:amp|lt|gt|quot|#39);/g, reUnescapedHtml2 = /[&<>"']/g, reHasEscapedHtml2 = RegExp(reEscapedHtml2.source), reHasUnescapedHtml2 = RegExp(reUnescapedHtml2.source);
+        var reEscape = /<%-([\s\S]+?)%>/g, reEvaluate = /<%([\s\S]+?)%>/g, reInterpolate = /<%=([\s\S]+?)%>/g;
+        var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/, reIsPlainProp = /^\w*$/, rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+        var reRegExpChar2 = /[\\^$.*+?()[\]{}|]/g, reHasRegExpChar = RegExp(reRegExpChar2.source);
+        var reTrimStart2 = /^\s+/;
+        var reWhitespace2 = /\s/;
+        var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/, reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/, reSplitDetails = /,? & /;
+        var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
+        var reForbiddenIdentifierChars = /[()=,{}\[\]\/\s]/;
+        var reEscapeChar = /\\(\\)?/g;
+        var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+        var reFlags = /\w*$/;
+        var reIsBadHex2 = /^[-+]0x[0-9a-f]+$/i;
+        var reIsBinary2 = /^0b[01]+$/i;
+        var reIsHostCtor2 = /^\[object .+?Constructor\]$/;
+        var reIsOctal2 = /^0o[0-7]+$/i;
+        var reIsUint2 = /^(?:0|[1-9]\d*)$/;
+        var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
+        var reNoMatch = /($^)/;
+        var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
+        var rsAstralRange = "\\ud800-\\udfff", rsComboMarksRange = "\\u0300-\\u036f", reComboHalfMarksRange = "\\ufe20-\\ufe2f", rsComboSymbolsRange = "\\u20d0-\\u20ff", rsComboRange = rsComboMarksRange + reComboHalfMarksRange + rsComboSymbolsRange, rsDingbatRange = "\\u2700-\\u27bf", rsLowerRange = "a-z\\xdf-\\xf6\\xf8-\\xff", rsMathOpRange = "\\xac\\xb1\\xd7\\xf7", rsNonCharRange = "\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf", rsPunctuationRange = "\\u2000-\\u206f", rsSpaceRange = " \\t\\x0b\\f\\xa0\\ufeff\\n\\r\\u2028\\u2029\\u1680\\u180e\\u2000\\u2001\\u2002\\u2003\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200a\\u202f\\u205f\\u3000", rsUpperRange = "A-Z\\xc0-\\xd6\\xd8-\\xde", rsVarRange = "\\ufe0e\\ufe0f", rsBreakRange = rsMathOpRange + rsNonCharRange + rsPunctuationRange + rsSpaceRange;
+        var rsApos = "['\u2019]", rsAstral = "[" + rsAstralRange + "]", rsBreak = "[" + rsBreakRange + "]", rsCombo = "[" + rsComboRange + "]", rsDigits = "\\d+", rsDingbat = "[" + rsDingbatRange + "]", rsLower = "[" + rsLowerRange + "]", rsMisc = "[^" + rsAstralRange + rsBreakRange + rsDigits + rsDingbatRange + rsLowerRange + rsUpperRange + "]", rsFitz = "\\ud83c[\\udffb-\\udfff]", rsModifier = "(?:" + rsCombo + "|" + rsFitz + ")", rsNonAstral = "[^" + rsAstralRange + "]", rsRegional = "(?:\\ud83c[\\udde6-\\uddff]){2}", rsSurrPair = "[\\ud800-\\udbff][\\udc00-\\udfff]", rsUpper = "[" + rsUpperRange + "]", rsZWJ = "\\u200d";
+        var rsMiscLower = "(?:" + rsLower + "|" + rsMisc + ")", rsMiscUpper = "(?:" + rsUpper + "|" + rsMisc + ")", rsOptContrLower = "(?:" + rsApos + "(?:d|ll|m|re|s|t|ve))?", rsOptContrUpper = "(?:" + rsApos + "(?:D|LL|M|RE|S|T|VE))?", reOptMod = rsModifier + "?", rsOptVar = "[" + rsVarRange + "]?", rsOptJoin = "(?:" + rsZWJ + "(?:" + [rsNonAstral, rsRegional, rsSurrPair].join("|") + ")" + rsOptVar + reOptMod + ")*", rsOrdLower = "\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])", rsOrdUpper = "\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])", rsSeq = rsOptVar + reOptMod + rsOptJoin, rsEmoji = "(?:" + [rsDingbat, rsRegional, rsSurrPair].join("|") + ")" + rsSeq, rsSymbol = "(?:" + [rsNonAstral + rsCombo + "?", rsCombo, rsRegional, rsSurrPair, rsAstral].join("|") + ")";
+        var reApos = RegExp(rsApos, "g");
+        var reComboMark = RegExp(rsCombo, "g");
+        var reUnicode = RegExp(rsFitz + "(?=" + rsFitz + ")|" + rsSymbol + rsSeq, "g");
+        var reUnicodeWord = RegExp([
+          rsUpper + "?" + rsLower + "+" + rsOptContrLower + "(?=" + [rsBreak, rsUpper, "$"].join("|") + ")",
+          rsMiscUpper + "+" + rsOptContrUpper + "(?=" + [rsBreak, rsUpper + rsMiscLower, "$"].join("|") + ")",
+          rsUpper + "?" + rsMiscLower + "+" + rsOptContrLower,
+          rsUpper + "+" + rsOptContrUpper,
+          rsOrdUpper,
+          rsOrdLower,
+          rsDigits,
+          rsEmoji
+        ].join("|"), "g");
+        var reHasUnicode = RegExp("[" + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + "]");
+        var reHasUnicodeWord = /[a-z][A-Z]|[A-Z]{2}[a-z]|[0-9][a-zA-Z]|[a-zA-Z][0-9]|[^a-zA-Z0-9 ]/;
+        var contextProps = [
+          "Array",
+          "Buffer",
+          "DataView",
+          "Date",
+          "Error",
+          "Float32Array",
+          "Float64Array",
+          "Function",
+          "Int8Array",
+          "Int16Array",
+          "Int32Array",
+          "Map",
+          "Math",
+          "Object",
+          "Promise",
+          "RegExp",
+          "Set",
+          "String",
+          "Symbol",
+          "TypeError",
+          "Uint8Array",
+          "Uint8ClampedArray",
+          "Uint16Array",
+          "Uint32Array",
+          "WeakMap",
+          "_",
+          "clearTimeout",
+          "isFinite",
+          "parseInt",
+          "setTimeout"
+        ];
+        var templateCounter = -1;
+        var typedArrayTags2 = {};
+        typedArrayTags2[float32Tag2] = typedArrayTags2[float64Tag2] = typedArrayTags2[int8Tag2] = typedArrayTags2[int16Tag2] = typedArrayTags2[int32Tag2] = typedArrayTags2[uint8Tag2] = typedArrayTags2[uint8ClampedTag2] = typedArrayTags2[uint16Tag2] = typedArrayTags2[uint32Tag2] = true;
+        typedArrayTags2[argsTag4] = typedArrayTags2[arrayTag3] = typedArrayTags2[arrayBufferTag3] = typedArrayTags2[boolTag3] = typedArrayTags2[dataViewTag4] = typedArrayTags2[dateTag3] = typedArrayTags2[errorTag3] = typedArrayTags2[funcTag3] = typedArrayTags2[mapTag4] = typedArrayTags2[numberTag3] = typedArrayTags2[objectTag4] = typedArrayTags2[regexpTag3] = typedArrayTags2[setTag4] = typedArrayTags2[stringTag3] = typedArrayTags2[weakMapTag3] = false;
+        var cloneableTags = {};
+        cloneableTags[argsTag4] = cloneableTags[arrayTag3] = cloneableTags[arrayBufferTag3] = cloneableTags[dataViewTag4] = cloneableTags[boolTag3] = cloneableTags[dateTag3] = cloneableTags[float32Tag2] = cloneableTags[float64Tag2] = cloneableTags[int8Tag2] = cloneableTags[int16Tag2] = cloneableTags[int32Tag2] = cloneableTags[mapTag4] = cloneableTags[numberTag3] = cloneableTags[objectTag4] = cloneableTags[regexpTag3] = cloneableTags[setTag4] = cloneableTags[stringTag3] = cloneableTags[symbolTag3] = cloneableTags[uint8Tag2] = cloneableTags[uint8ClampedTag2] = cloneableTags[uint16Tag2] = cloneableTags[uint32Tag2] = true;
+        cloneableTags[errorTag3] = cloneableTags[funcTag3] = cloneableTags[weakMapTag3] = false;
+        var deburredLetters = {
+          // Latin-1 Supplement block.
+          "\xC0": "A",
+          "\xC1": "A",
+          "\xC2": "A",
+          "\xC3": "A",
+          "\xC4": "A",
+          "\xC5": "A",
+          "\xE0": "a",
+          "\xE1": "a",
+          "\xE2": "a",
+          "\xE3": "a",
+          "\xE4": "a",
+          "\xE5": "a",
+          "\xC7": "C",
+          "\xE7": "c",
+          "\xD0": "D",
+          "\xF0": "d",
+          "\xC8": "E",
+          "\xC9": "E",
+          "\xCA": "E",
+          "\xCB": "E",
+          "\xE8": "e",
+          "\xE9": "e",
+          "\xEA": "e",
+          "\xEB": "e",
+          "\xCC": "I",
+          "\xCD": "I",
+          "\xCE": "I",
+          "\xCF": "I",
+          "\xEC": "i",
+          "\xED": "i",
+          "\xEE": "i",
+          "\xEF": "i",
+          "\xD1": "N",
+          "\xF1": "n",
+          "\xD2": "O",
+          "\xD3": "O",
+          "\xD4": "O",
+          "\xD5": "O",
+          "\xD6": "O",
+          "\xD8": "O",
+          "\xF2": "o",
+          "\xF3": "o",
+          "\xF4": "o",
+          "\xF5": "o",
+          "\xF6": "o",
+          "\xF8": "o",
+          "\xD9": "U",
+          "\xDA": "U",
+          "\xDB": "U",
+          "\xDC": "U",
+          "\xF9": "u",
+          "\xFA": "u",
+          "\xFB": "u",
+          "\xFC": "u",
+          "\xDD": "Y",
+          "\xFD": "y",
+          "\xFF": "y",
+          "\xC6": "Ae",
+          "\xE6": "ae",
+          "\xDE": "Th",
+          "\xFE": "th",
+          "\xDF": "ss",
+          // Latin Extended-A block.
+          "\u0100": "A",
+          "\u0102": "A",
+          "\u0104": "A",
+          "\u0101": "a",
+          "\u0103": "a",
+          "\u0105": "a",
+          "\u0106": "C",
+          "\u0108": "C",
+          "\u010A": "C",
+          "\u010C": "C",
+          "\u0107": "c",
+          "\u0109": "c",
+          "\u010B": "c",
+          "\u010D": "c",
+          "\u010E": "D",
+          "\u0110": "D",
+          "\u010F": "d",
+          "\u0111": "d",
+          "\u0112": "E",
+          "\u0114": "E",
+          "\u0116": "E",
+          "\u0118": "E",
+          "\u011A": "E",
+          "\u0113": "e",
+          "\u0115": "e",
+          "\u0117": "e",
+          "\u0119": "e",
+          "\u011B": "e",
+          "\u011C": "G",
+          "\u011E": "G",
+          "\u0120": "G",
+          "\u0122": "G",
+          "\u011D": "g",
+          "\u011F": "g",
+          "\u0121": "g",
+          "\u0123": "g",
+          "\u0124": "H",
+          "\u0126": "H",
+          "\u0125": "h",
+          "\u0127": "h",
+          "\u0128": "I",
+          "\u012A": "I",
+          "\u012C": "I",
+          "\u012E": "I",
+          "\u0130": "I",
+          "\u0129": "i",
+          "\u012B": "i",
+          "\u012D": "i",
+          "\u012F": "i",
+          "\u0131": "i",
+          "\u0134": "J",
+          "\u0135": "j",
+          "\u0136": "K",
+          "\u0137": "k",
+          "\u0138": "k",
+          "\u0139": "L",
+          "\u013B": "L",
+          "\u013D": "L",
+          "\u013F": "L",
+          "\u0141": "L",
+          "\u013A": "l",
+          "\u013C": "l",
+          "\u013E": "l",
+          "\u0140": "l",
+          "\u0142": "l",
+          "\u0143": "N",
+          "\u0145": "N",
+          "\u0147": "N",
+          "\u014A": "N",
+          "\u0144": "n",
+          "\u0146": "n",
+          "\u0148": "n",
+          "\u014B": "n",
+          "\u014C": "O",
+          "\u014E": "O",
+          "\u0150": "O",
+          "\u014D": "o",
+          "\u014F": "o",
+          "\u0151": "o",
+          "\u0154": "R",
+          "\u0156": "R",
+          "\u0158": "R",
+          "\u0155": "r",
+          "\u0157": "r",
+          "\u0159": "r",
+          "\u015A": "S",
+          "\u015C": "S",
+          "\u015E": "S",
+          "\u0160": "S",
+          "\u015B": "s",
+          "\u015D": "s",
+          "\u015F": "s",
+          "\u0161": "s",
+          "\u0162": "T",
+          "\u0164": "T",
+          "\u0166": "T",
+          "\u0163": "t",
+          "\u0165": "t",
+          "\u0167": "t",
+          "\u0168": "U",
+          "\u016A": "U",
+          "\u016C": "U",
+          "\u016E": "U",
+          "\u0170": "U",
+          "\u0172": "U",
+          "\u0169": "u",
+          "\u016B": "u",
+          "\u016D": "u",
+          "\u016F": "u",
+          "\u0171": "u",
+          "\u0173": "u",
+          "\u0174": "W",
+          "\u0175": "w",
+          "\u0176": "Y",
+          "\u0177": "y",
+          "\u0178": "Y",
+          "\u0179": "Z",
+          "\u017B": "Z",
+          "\u017D": "Z",
+          "\u017A": "z",
+          "\u017C": "z",
+          "\u017E": "z",
+          "\u0132": "IJ",
+          "\u0133": "ij",
+          "\u0152": "Oe",
+          "\u0153": "oe",
+          "\u0149": "'n",
+          "\u017F": "s"
+        };
+        var htmlEscapes2 = {
+          "&": "&amp;",
+          "<": "&lt;",
+          ">": "&gt;",
+          '"': "&quot;",
+          "'": "&#39;"
+        };
+        var htmlUnescapes2 = {
+          "&amp;": "&",
+          "&lt;": "<",
+          "&gt;": ">",
+          "&quot;": '"',
+          "&#39;": "'"
+        };
+        var stringEscapes = {
+          "\\": "\\",
+          "'": "'",
+          "\n": "n",
+          "\r": "r",
+          "\u2028": "u2028",
+          "\u2029": "u2029"
+        };
+        var freeParseFloat = parseFloat, freeParseInt2 = parseInt;
+        var freeGlobal2 = typeof global == "object" && global && global.Object === Object && global;
+        var freeSelf2 = typeof self == "object" && self && self.Object === Object && self;
+        var root3 = freeGlobal2 || freeSelf2 || Function("return this")();
+        var freeExports3 = typeof exports2 == "object" && exports2 && !exports2.nodeType && exports2;
+        var freeModule3 = freeExports3 && typeof module2 == "object" && module2 && !module2.nodeType && module2;
+        var moduleExports3 = freeModule3 && freeModule3.exports === freeExports3;
+        var freeProcess2 = moduleExports3 && freeGlobal2.process;
+        var nodeUtil2 = function() {
+          try {
+            var types = freeModule3 && freeModule3.require && freeModule3.require("util").types;
+            if (types) {
+              return types;
+            }
+            return freeProcess2 && freeProcess2.binding && freeProcess2.binding("util");
+          } catch (e) {
+          }
+        }();
+        var nodeIsArrayBuffer = nodeUtil2 && nodeUtil2.isArrayBuffer, nodeIsDate = nodeUtil2 && nodeUtil2.isDate, nodeIsMap = nodeUtil2 && nodeUtil2.isMap, nodeIsRegExp = nodeUtil2 && nodeUtil2.isRegExp, nodeIsSet = nodeUtil2 && nodeUtil2.isSet, nodeIsTypedArray2 = nodeUtil2 && nodeUtil2.isTypedArray;
+        function apply(func, thisArg, args) {
+          switch (args.length) {
+            case 0:
+              return func.call(thisArg);
+            case 1:
+              return func.call(thisArg, args[0]);
+            case 2:
+              return func.call(thisArg, args[0], args[1]);
+            case 3:
+              return func.call(thisArg, args[0], args[1], args[2]);
+          }
+          return func.apply(thisArg, args);
+        }
+        function arrayAggregator(array2, setter, iteratee, accumulator) {
+          var index = -1, length = array2 == null ? 0 : array2.length;
+          while (++index < length) {
+            var value = array2[index];
+            setter(accumulator, value, iteratee(value), array2);
+          }
+          return accumulator;
+        }
+        function arrayEach(array2, iteratee) {
+          var index = -1, length = array2 == null ? 0 : array2.length;
+          while (++index < length) {
+            if (iteratee(array2[index], index, array2) === false) {
+              break;
+            }
+          }
+          return array2;
+        }
+        function arrayEachRight(array2, iteratee) {
+          var length = array2 == null ? 0 : array2.length;
+          while (length--) {
+            if (iteratee(array2[length], length, array2) === false) {
+              break;
+            }
+          }
+          return array2;
+        }
+        function arrayEvery(array2, predicate) {
+          var index = -1, length = array2 == null ? 0 : array2.length;
+          while (++index < length) {
+            if (!predicate(array2[index], index, array2)) {
+              return false;
+            }
+          }
+          return true;
+        }
+        function arrayFilter2(array2, predicate) {
+          var index = -1, length = array2 == null ? 0 : array2.length, resIndex = 0, result = [];
+          while (++index < length) {
+            var value = array2[index];
+            if (predicate(value, index, array2)) {
+              result[resIndex++] = value;
+            }
+          }
+          return result;
+        }
+        function arrayIncludes(array2, value) {
+          var length = array2 == null ? 0 : array2.length;
+          return !!length && baseIndexOf(array2, value, 0) > -1;
+        }
+        function arrayIncludesWith(array2, value, comparator) {
+          var index = -1, length = array2 == null ? 0 : array2.length;
+          while (++index < length) {
+            if (comparator(value, array2[index])) {
+              return true;
+            }
+          }
+          return false;
+        }
+        function arrayMap2(array2, iteratee) {
+          var index = -1, length = array2 == null ? 0 : array2.length, result = Array(length);
+          while (++index < length) {
+            result[index] = iteratee(array2[index], index, array2);
+          }
+          return result;
+        }
+        function arrayPush2(array2, values) {
+          var index = -1, length = values.length, offset = array2.length;
+          while (++index < length) {
+            array2[offset + index] = values[index];
+          }
+          return array2;
+        }
+        function arrayReduce(array2, iteratee, accumulator, initAccum) {
+          var index = -1, length = array2 == null ? 0 : array2.length;
+          if (initAccum && length) {
+            accumulator = array2[++index];
+          }
+          while (++index < length) {
+            accumulator = iteratee(accumulator, array2[index], index, array2);
+          }
+          return accumulator;
+        }
+        function arrayReduceRight(array2, iteratee, accumulator, initAccum) {
+          var length = array2 == null ? 0 : array2.length;
+          if (initAccum && length) {
+            accumulator = array2[--length];
+          }
+          while (length--) {
+            accumulator = iteratee(accumulator, array2[length], length, array2);
+          }
+          return accumulator;
+        }
+        function arraySome2(array2, predicate) {
+          var index = -1, length = array2 == null ? 0 : array2.length;
+          while (++index < length) {
+            if (predicate(array2[index], index, array2)) {
+              return true;
+            }
+          }
+          return false;
+        }
+        var asciiSize = baseProperty("length");
+        function asciiToArray(string) {
+          return string.split("");
+        }
+        function asciiWords(string) {
+          return string.match(reAsciiWord) || [];
+        }
+        function baseFindKey(collection, predicate, eachFunc) {
+          var result;
+          eachFunc(collection, function(value, key, collection2) {
+            if (predicate(value, key, collection2)) {
+              result = key;
+              return false;
+            }
+          });
+          return result;
+        }
+        function baseFindIndex(array2, predicate, fromIndex, fromRight) {
+          var length = array2.length, index = fromIndex + (fromRight ? 1 : -1);
+          while (fromRight ? index-- : ++index < length) {
+            if (predicate(array2[index], index, array2)) {
+              return index;
+            }
+          }
+          return -1;
+        }
+        function baseIndexOf(array2, value, fromIndex) {
+          return value === value ? strictIndexOf(array2, value, fromIndex) : baseFindIndex(array2, baseIsNaN, fromIndex);
+        }
+        function baseIndexOfWith(array2, value, fromIndex, comparator) {
+          var index = fromIndex - 1, length = array2.length;
+          while (++index < length) {
+            if (comparator(array2[index], value)) {
+              return index;
+            }
+          }
+          return -1;
+        }
+        function baseIsNaN(value) {
+          return value !== value;
+        }
+        function baseMean(array2, iteratee) {
+          var length = array2 == null ? 0 : array2.length;
+          return length ? baseSum(array2, iteratee) / length : NAN2;
+        }
+        function baseProperty(key) {
+          return function(object) {
+            return object == null ? undefined2 : object[key];
+          };
+        }
+        function basePropertyOf2(object) {
+          return function(key) {
+            return object == null ? undefined2 : object[key];
+          };
+        }
+        function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
+          eachFunc(collection, function(value, index, collection2) {
+            accumulator = initAccum ? (initAccum = false, value) : iteratee(accumulator, value, index, collection2);
+          });
+          return accumulator;
+        }
+        function baseSortBy(array2, comparer) {
+          var length = array2.length;
+          array2.sort(comparer);
+          while (length--) {
+            array2[length] = array2[length].value;
+          }
+          return array2;
+        }
+        function baseSum(array2, iteratee) {
+          var result, index = -1, length = array2.length;
+          while (++index < length) {
+            var current = iteratee(array2[index]);
+            if (current !== undefined2) {
+              result = result === undefined2 ? current : result + current;
+            }
+          }
+          return result;
+        }
+        function baseTimes2(n2, iteratee) {
+          var index = -1, result = Array(n2);
+          while (++index < n2) {
+            result[index] = iteratee(index);
+          }
+          return result;
+        }
+        function baseToPairs(object, props) {
+          return arrayMap2(props, function(key) {
+            return [key, object[key]];
+          });
+        }
+        function baseTrim2(string) {
+          return string ? string.slice(0, trimmedEndIndex2(string) + 1).replace(reTrimStart2, "") : string;
+        }
+        function baseUnary2(func) {
+          return function(value) {
+            return func(value);
+          };
+        }
+        function baseValues(object, props) {
+          return arrayMap2(props, function(key) {
+            return object[key];
+          });
+        }
+        function cacheHas2(cache, key) {
+          return cache.has(key);
+        }
+        function charsStartIndex(strSymbols, chrSymbols) {
+          var index = -1, length = strSymbols.length;
+          while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {
+          }
+          return index;
+        }
+        function charsEndIndex(strSymbols, chrSymbols) {
+          var index = strSymbols.length;
+          while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {
+          }
+          return index;
+        }
+        function countHolders(array2, placeholder) {
+          var length = array2.length, result = 0;
+          while (length--) {
+            if (array2[length] === placeholder) {
+              ++result;
+            }
+          }
+          return result;
+        }
+        var deburrLetter = basePropertyOf2(deburredLetters);
+        var escapeHtmlChar2 = basePropertyOf2(htmlEscapes2);
+        function escapeStringChar(chr) {
+          return "\\" + stringEscapes[chr];
+        }
+        function getValue2(object, key) {
+          return object == null ? undefined2 : object[key];
+        }
+        function hasUnicode(string) {
+          return reHasUnicode.test(string);
+        }
+        function hasUnicodeWord(string) {
+          return reHasUnicodeWord.test(string);
+        }
+        function iteratorToArray(iterator) {
+          var data, result = [];
+          while (!(data = iterator.next()).done) {
+            result.push(data.value);
+          }
+          return result;
+        }
+        function mapToArray2(map2) {
+          var index = -1, result = Array(map2.size);
+          map2.forEach(function(value, key) {
+            result[++index] = [key, value];
+          });
+          return result;
+        }
+        function overArg2(func, transform2) {
+          return function(arg) {
+            return func(transform2(arg));
+          };
+        }
+        function replaceHolders(array2, placeholder) {
+          var index = -1, length = array2.length, resIndex = 0, result = [];
+          while (++index < length) {
+            var value = array2[index];
+            if (value === placeholder || value === PLACEHOLDER) {
+              array2[index] = PLACEHOLDER;
+              result[resIndex++] = index;
+            }
+          }
+          return result;
+        }
+        function setToArray2(set3) {
+          var index = -1, result = Array(set3.size);
+          set3.forEach(function(value) {
+            result[++index] = value;
+          });
+          return result;
+        }
+        function setToPairs(set3) {
+          var index = -1, result = Array(set3.size);
+          set3.forEach(function(value) {
+            result[++index] = [value, value];
+          });
+          return result;
+        }
+        function strictIndexOf(array2, value, fromIndex) {
+          var index = fromIndex - 1, length = array2.length;
+          while (++index < length) {
+            if (array2[index] === value) {
+              return index;
+            }
+          }
+          return -1;
+        }
+        function strictLastIndexOf(array2, value, fromIndex) {
+          var index = fromIndex + 1;
+          while (index--) {
+            if (array2[index] === value) {
+              return index;
+            }
+          }
+          return index;
+        }
+        function stringSize(string) {
+          return hasUnicode(string) ? unicodeSize(string) : asciiSize(string);
+        }
+        function stringToArray(string) {
+          return hasUnicode(string) ? unicodeToArray(string) : asciiToArray(string);
+        }
+        function trimmedEndIndex2(string) {
+          var index = string.length;
+          while (index-- && reWhitespace2.test(string.charAt(index))) {
+          }
+          return index;
+        }
+        var unescapeHtmlChar2 = basePropertyOf2(htmlUnescapes2);
+        function unicodeSize(string) {
+          var result = reUnicode.lastIndex = 0;
+          while (reUnicode.test(string)) {
+            ++result;
+          }
+          return result;
+        }
+        function unicodeToArray(string) {
+          return string.match(reUnicode) || [];
+        }
+        function unicodeWords(string) {
+          return string.match(reUnicodeWord) || [];
+        }
+        var runInContext = function runInContext2(context) {
+          context = context == null ? root3 : _.defaults(root3.Object(), context, _.pick(root3, contextProps));
+          var Array2 = context.Array, Date2 = context.Date, Error2 = context.Error, Function2 = context.Function, Math2 = context.Math, Object2 = context.Object, RegExp2 = context.RegExp, String2 = context.String, TypeError2 = context.TypeError;
+          var arrayProto2 = Array2.prototype, funcProto3 = Function2.prototype, objectProto13 = Object2.prototype;
+          var coreJsData2 = context["__core-js_shared__"];
+          var funcToString3 = funcProto3.toString;
+          var hasOwnProperty10 = objectProto13.hasOwnProperty;
+          var idCounter = 0;
+          var maskSrcKey2 = function() {
+            var uid = /[^.]+$/.exec(coreJsData2 && coreJsData2.keys && coreJsData2.keys.IE_PROTO || "");
+            return uid ? "Symbol(src)_1." + uid : "";
+          }();
+          var nativeObjectToString3 = objectProto13.toString;
+          var objectCtorString = funcToString3.call(Object2);
+          var oldDash = root3._;
+          var reIsNative2 = RegExp2(
+            "^" + funcToString3.call(hasOwnProperty10).replace(reRegExpChar2, "\\$&").replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, "$1.*?") + "$"
+          );
+          var Buffer3 = moduleExports3 ? context.Buffer : undefined2, Symbol3 = context.Symbol, Uint8Array3 = context.Uint8Array, allocUnsafe = Buffer3 ? Buffer3.allocUnsafe : undefined2, getPrototype = overArg2(Object2.getPrototypeOf, Object2), objectCreate = Object2.create, propertyIsEnumerable3 = objectProto13.propertyIsEnumerable, splice2 = arrayProto2.splice, spreadableSymbol = Symbol3 ? Symbol3.isConcatSpreadable : undefined2, symIterator = Symbol3 ? Symbol3.iterator : undefined2, symToStringTag3 = Symbol3 ? Symbol3.toStringTag : undefined2;
+          var defineProperty = function() {
+            try {
+              var func = getNative2(Object2, "defineProperty");
+              func({}, "", {});
+              return func;
+            } catch (e) {
+            }
+          }();
+          var ctxClearTimeout = context.clearTimeout !== root3.clearTimeout && context.clearTimeout, ctxNow = Date2 && Date2.now !== root3.Date.now && Date2.now, ctxSetTimeout = context.setTimeout !== root3.setTimeout && context.setTimeout;
+          var nativeCeil = Math2.ceil, nativeFloor = Math2.floor, nativeGetSymbols2 = Object2.getOwnPropertySymbols, nativeIsBuffer2 = Buffer3 ? Buffer3.isBuffer : undefined2, nativeIsFinite = context.isFinite, nativeJoin = arrayProto2.join, nativeKeys2 = overArg2(Object2.keys, Object2), nativeMax2 = Math2.max, nativeMin2 = Math2.min, nativeNow = Date2.now, nativeParseInt = context.parseInt, nativeRandom = Math2.random, nativeReverse = arrayProto2.reverse;
+          var DataView3 = getNative2(context, "DataView"), Map3 = getNative2(context, "Map"), Promise3 = getNative2(context, "Promise"), Set3 = getNative2(context, "Set"), WeakMap2 = getNative2(context, "WeakMap"), nativeCreate2 = getNative2(Object2, "create");
+          var metaMap = WeakMap2 && new WeakMap2();
+          var realNames = {};
+          var dataViewCtorString2 = toSource2(DataView3), mapCtorString2 = toSource2(Map3), promiseCtorString2 = toSource2(Promise3), setCtorString2 = toSource2(Set3), weakMapCtorString2 = toSource2(WeakMap2);
+          var symbolProto3 = Symbol3 ? Symbol3.prototype : undefined2, symbolValueOf2 = symbolProto3 ? symbolProto3.valueOf : undefined2, symbolToString2 = symbolProto3 ? symbolProto3.toString : undefined2;
+          function lodash(value) {
+            if (isObjectLike2(value) && !isArray2(value) && !(value instanceof LazyWrapper)) {
+              if (value instanceof LodashWrapper) {
+                return value;
+              }
+              if (hasOwnProperty10.call(value, "__wrapped__")) {
+                return wrapperClone(value);
+              }
+            }
+            return new LodashWrapper(value);
+          }
+          var baseCreate = function() {
+            function object() {
+            }
+            return function(proto) {
+              if (!isObject3(proto)) {
+                return {};
+              }
+              if (objectCreate) {
+                return objectCreate(proto);
+              }
+              object.prototype = proto;
+              var result2 = new object();
+              object.prototype = undefined2;
+              return result2;
+            };
+          }();
+          function baseLodash() {
+          }
+          function LodashWrapper(value, chainAll) {
+            this.__wrapped__ = value;
+            this.__actions__ = [];
+            this.__chain__ = !!chainAll;
+            this.__index__ = 0;
+            this.__values__ = undefined2;
+          }
+          lodash.templateSettings = {
+            /**
+             * Used to detect `data` property values to be HTML-escaped.
+             *
+             * @memberOf _.templateSettings
+             * @type {RegExp}
+             */
+            "escape": reEscape,
+            /**
+             * Used to detect code to be evaluated.
+             *
+             * @memberOf _.templateSettings
+             * @type {RegExp}
+             */
+            "evaluate": reEvaluate,
+            /**
+             * Used to detect `data` property values to inject.
+             *
+             * @memberOf _.templateSettings
+             * @type {RegExp}
+             */
+            "interpolate": reInterpolate,
+            /**
+             * Used to reference the data object in the template text.
+             *
+             * @memberOf _.templateSettings
+             * @type {string}
+             */
+            "variable": "",
+            /**
+             * Used to import variables into the compiled template.
+             *
+             * @memberOf _.templateSettings
+             * @type {Object}
+             */
+            "imports": {
+              /**
+               * A reference to the `lodash` function.
+               *
+               * @memberOf _.templateSettings.imports
+               * @type {Function}
+               */
+              "_": lodash
+            }
+          };
+          lodash.prototype = baseLodash.prototype;
+          lodash.prototype.constructor = lodash;
+          LodashWrapper.prototype = baseCreate(baseLodash.prototype);
+          LodashWrapper.prototype.constructor = LodashWrapper;
+          function LazyWrapper(value) {
+            this.__wrapped__ = value;
+            this.__actions__ = [];
+            this.__dir__ = 1;
+            this.__filtered__ = false;
+            this.__iteratees__ = [];
+            this.__takeCount__ = MAX_ARRAY_LENGTH;
+            this.__views__ = [];
+          }
+          function lazyClone() {
+            var result2 = new LazyWrapper(this.__wrapped__);
+            result2.__actions__ = copyArray(this.__actions__);
+            result2.__dir__ = this.__dir__;
+            result2.__filtered__ = this.__filtered__;
+            result2.__iteratees__ = copyArray(this.__iteratees__);
+            result2.__takeCount__ = this.__takeCount__;
+            result2.__views__ = copyArray(this.__views__);
+            return result2;
+          }
+          function lazyReverse() {
+            if (this.__filtered__) {
+              var result2 = new LazyWrapper(this);
+              result2.__dir__ = -1;
+              result2.__filtered__ = true;
+            } else {
+              result2 = this.clone();
+              result2.__dir__ *= -1;
+            }
+            return result2;
+          }
+          function lazyValue() {
+            var array2 = this.__wrapped__.value(), dir = this.__dir__, isArr = isArray2(array2), isRight = dir < 0, arrLength = isArr ? array2.length : 0, view = getView(0, arrLength, this.__views__), start2 = view.start, end = view.end, length = end - start2, index = isRight ? end : start2 - 1, iteratees = this.__iteratees__, iterLength = iteratees.length, resIndex = 0, takeCount = nativeMin2(length, this.__takeCount__);
+            if (!isArr || !isRight && arrLength == length && takeCount == length) {
+              return baseWrapperValue(array2, this.__actions__);
+            }
+            var result2 = [];
+            outer:
+              while (length-- && resIndex < takeCount) {
+                index += dir;
+                var iterIndex = -1, value = array2[index];
+                while (++iterIndex < iterLength) {
+                  var data = iteratees[iterIndex], iteratee2 = data.iteratee, type2 = data.type, computed = iteratee2(value);
+                  if (type2 == LAZY_MAP_FLAG) {
+                    value = computed;
+                  } else if (!computed) {
+                    if (type2 == LAZY_FILTER_FLAG) {
+                      continue outer;
+                    } else {
+                      break outer;
+                    }
+                  }
+                }
+                result2[resIndex++] = value;
+              }
+            return result2;
+          }
+          LazyWrapper.prototype = baseCreate(baseLodash.prototype);
+          LazyWrapper.prototype.constructor = LazyWrapper;
+          function Hash2(entries) {
+            var index = -1, length = entries == null ? 0 : entries.length;
+            this.clear();
+            while (++index < length) {
+              var entry = entries[index];
+              this.set(entry[0], entry[1]);
+            }
+          }
+          function hashClear2() {
+            this.__data__ = nativeCreate2 ? nativeCreate2(null) : {};
+            this.size = 0;
+          }
+          function hashDelete2(key) {
+            var result2 = this.has(key) && delete this.__data__[key];
+            this.size -= result2 ? 1 : 0;
+            return result2;
+          }
+          function hashGet2(key) {
+            var data = this.__data__;
+            if (nativeCreate2) {
+              var result2 = data[key];
+              return result2 === HASH_UNDEFINED4 ? undefined2 : result2;
+            }
+            return hasOwnProperty10.call(data, key) ? data[key] : undefined2;
+          }
+          function hashHas2(key) {
+            var data = this.__data__;
+            return nativeCreate2 ? data[key] !== undefined2 : hasOwnProperty10.call(data, key);
+          }
+          function hashSet2(key, value) {
+            var data = this.__data__;
+            this.size += this.has(key) ? 0 : 1;
+            data[key] = nativeCreate2 && value === undefined2 ? HASH_UNDEFINED4 : value;
+            return this;
+          }
+          Hash2.prototype.clear = hashClear2;
+          Hash2.prototype["delete"] = hashDelete2;
+          Hash2.prototype.get = hashGet2;
+          Hash2.prototype.has = hashHas2;
+          Hash2.prototype.set = hashSet2;
+          function ListCache2(entries) {
+            var index = -1, length = entries == null ? 0 : entries.length;
+            this.clear();
+            while (++index < length) {
+              var entry = entries[index];
+              this.set(entry[0], entry[1]);
+            }
+          }
+          function listCacheClear2() {
+            this.__data__ = [];
+            this.size = 0;
+          }
+          function listCacheDelete2(key) {
+            var data = this.__data__, index = assocIndexOf2(data, key);
+            if (index < 0) {
+              return false;
+            }
+            var lastIndex = data.length - 1;
+            if (index == lastIndex) {
+              data.pop();
+            } else {
+              splice2.call(data, index, 1);
+            }
+            --this.size;
+            return true;
+          }
+          function listCacheGet2(key) {
+            var data = this.__data__, index = assocIndexOf2(data, key);
+            return index < 0 ? undefined2 : data[index][1];
+          }
+          function listCacheHas2(key) {
+            return assocIndexOf2(this.__data__, key) > -1;
+          }
+          function listCacheSet2(key, value) {
+            var data = this.__data__, index = assocIndexOf2(data, key);
+            if (index < 0) {
+              ++this.size;
+              data.push([key, value]);
+            } else {
+              data[index][1] = value;
+            }
+            return this;
+          }
+          ListCache2.prototype.clear = listCacheClear2;
+          ListCache2.prototype["delete"] = listCacheDelete2;
+          ListCache2.prototype.get = listCacheGet2;
+          ListCache2.prototype.has = listCacheHas2;
+          ListCache2.prototype.set = listCacheSet2;
+          function MapCache2(entries) {
+            var index = -1, length = entries == null ? 0 : entries.length;
+            this.clear();
+            while (++index < length) {
+              var entry = entries[index];
+              this.set(entry[0], entry[1]);
+            }
+          }
+          function mapCacheClear2() {
+            this.size = 0;
+            this.__data__ = {
+              "hash": new Hash2(),
+              "map": new (Map3 || ListCache2)(),
+              "string": new Hash2()
+            };
+          }
+          function mapCacheDelete2(key) {
+            var result2 = getMapData2(this, key)["delete"](key);
+            this.size -= result2 ? 1 : 0;
+            return result2;
+          }
+          function mapCacheGet2(key) {
+            return getMapData2(this, key).get(key);
+          }
+          function mapCacheHas2(key) {
+            return getMapData2(this, key).has(key);
+          }
+          function mapCacheSet2(key, value) {
+            var data = getMapData2(this, key), size2 = data.size;
+            data.set(key, value);
+            this.size += data.size == size2 ? 0 : 1;
+            return this;
+          }
+          MapCache2.prototype.clear = mapCacheClear2;
+          MapCache2.prototype["delete"] = mapCacheDelete2;
+          MapCache2.prototype.get = mapCacheGet2;
+          MapCache2.prototype.has = mapCacheHas2;
+          MapCache2.prototype.set = mapCacheSet2;
+          function SetCache2(values2) {
+            var index = -1, length = values2 == null ? 0 : values2.length;
+            this.__data__ = new MapCache2();
+            while (++index < length) {
+              this.add(values2[index]);
+            }
+          }
+          function setCacheAdd2(value) {
+            this.__data__.set(value, HASH_UNDEFINED4);
+            return this;
+          }
+          function setCacheHas2(value) {
+            return this.__data__.has(value);
+          }
+          SetCache2.prototype.add = SetCache2.prototype.push = setCacheAdd2;
+          SetCache2.prototype.has = setCacheHas2;
+          function Stack2(entries) {
+            var data = this.__data__ = new ListCache2(entries);
+            this.size = data.size;
+          }
+          function stackClear2() {
+            this.__data__ = new ListCache2();
+            this.size = 0;
+          }
+          function stackDelete2(key) {
+            var data = this.__data__, result2 = data["delete"](key);
+            this.size = data.size;
+            return result2;
+          }
+          function stackGet2(key) {
+            return this.__data__.get(key);
+          }
+          function stackHas2(key) {
+            return this.__data__.has(key);
+          }
+          function stackSet2(key, value) {
+            var data = this.__data__;
+            if (data instanceof ListCache2) {
+              var pairs = data.__data__;
+              if (!Map3 || pairs.length < LARGE_ARRAY_SIZE2 - 1) {
+                pairs.push([key, value]);
+                this.size = ++data.size;
+                return this;
+              }
+              data = this.__data__ = new MapCache2(pairs);
+            }
+            data.set(key, value);
+            this.size = data.size;
+            return this;
+          }
+          Stack2.prototype.clear = stackClear2;
+          Stack2.prototype["delete"] = stackDelete2;
+          Stack2.prototype.get = stackGet2;
+          Stack2.prototype.has = stackHas2;
+          Stack2.prototype.set = stackSet2;
+          function arrayLikeKeys2(value, inherited) {
+            var isArr = isArray2(value), isArg = !isArr && isArguments2(value), isBuff = !isArr && !isArg && isBuffer2(value), isType = !isArr && !isArg && !isBuff && isTypedArray2(value), skipIndexes = isArr || isArg || isBuff || isType, result2 = skipIndexes ? baseTimes2(value.length, String2) : [], length = result2.length;
+            for (var key in value) {
+              if ((inherited || hasOwnProperty10.call(value, key)) && !(skipIndexes && // Safari 9 has enumerable `arguments.length` in strict mode.
+              (key == "length" || // Node.js 0.10 has enumerable non-index properties on buffers.
+              isBuff && (key == "offset" || key == "parent") || // PhantomJS 2 has enumerable non-index properties on typed arrays.
+              isType && (key == "buffer" || key == "byteLength" || key == "byteOffset") || // Skip index properties.
+              isIndex2(key, length)))) {
+                result2.push(key);
+              }
+            }
+            return result2;
+          }
+          function arraySample(array2) {
+            var length = array2.length;
+            return length ? array2[baseRandom(0, length - 1)] : undefined2;
+          }
+          function arraySampleSize(array2, n2) {
+            return shuffleSelf(copyArray(array2), baseClamp(n2, 0, array2.length));
+          }
+          function arrayShuffle(array2) {
+            return shuffleSelf(copyArray(array2));
+          }
+          function assignMergeValue(object, key, value) {
+            if (value !== undefined2 && !eq2(object[key], value) || value === undefined2 && !(key in object)) {
+              baseAssignValue(object, key, value);
+            }
+          }
+          function assignValue(object, key, value) {
+            var objValue = object[key];
+            if (!(hasOwnProperty10.call(object, key) && eq2(objValue, value)) || value === undefined2 && !(key in object)) {
+              baseAssignValue(object, key, value);
+            }
+          }
+          function assocIndexOf2(array2, key) {
+            var length = array2.length;
+            while (length--) {
+              if (eq2(array2[length][0], key)) {
+                return length;
+              }
+            }
+            return -1;
+          }
+          function baseAggregator(collection, setter, iteratee2, accumulator) {
+            baseEach(collection, function(value, key, collection2) {
+              setter(accumulator, value, iteratee2(value), collection2);
+            });
+            return accumulator;
+          }
+          function baseAssign(object, source) {
+            return object && copyObject(source, keys2(source), object);
+          }
+          function baseAssignIn(object, source) {
+            return object && copyObject(source, keysIn(source), object);
+          }
+          function baseAssignValue(object, key, value) {
+            if (key == "__proto__" && defineProperty) {
+              defineProperty(object, key, {
+                "configurable": true,
+                "enumerable": true,
+                "value": value,
+                "writable": true
+              });
+            } else {
+              object[key] = value;
+            }
+          }
+          function baseAt(object, paths) {
+            var index = -1, length = paths.length, result2 = Array2(length), skip = object == null;
+            while (++index < length) {
+              result2[index] = skip ? undefined2 : get4(object, paths[index]);
+            }
+            return result2;
+          }
+          function baseClamp(number3, lower2, upper) {
+            if (number3 === number3) {
+              if (upper !== undefined2) {
+                number3 = number3 <= upper ? number3 : upper;
+              }
+              if (lower2 !== undefined2) {
+                number3 = number3 >= lower2 ? number3 : lower2;
+              }
+            }
+            return number3;
+          }
+          function baseClone(value, bitmask, customizer, key, object, stack) {
+            var result2, isDeep = bitmask & CLONE_DEEP_FLAG, isFlat = bitmask & CLONE_FLAT_FLAG, isFull = bitmask & CLONE_SYMBOLS_FLAG;
+            if (customizer) {
+              result2 = object ? customizer(value, key, object, stack) : customizer(value);
+            }
+            if (result2 !== undefined2) {
+              return result2;
+            }
+            if (!isObject3(value)) {
+              return value;
+            }
+            var isArr = isArray2(value);
+            if (isArr) {
+              result2 = initCloneArray(value);
+              if (!isDeep) {
+                return copyArray(value, result2);
+              }
+            } else {
+              var tag = getTag2(value), isFunc = tag == funcTag3 || tag == genTag2;
+              if (isBuffer2(value)) {
+                return cloneBuffer(value, isDeep);
+              }
+              if (tag == objectTag4 || tag == argsTag4 || isFunc && !object) {
+                result2 = isFlat || isFunc ? {} : initCloneObject(value);
+                if (!isDeep) {
+                  return isFlat ? copySymbolsIn(value, baseAssignIn(result2, value)) : copySymbols(value, baseAssign(result2, value));
+                }
+              } else {
+                if (!cloneableTags[tag]) {
+                  return object ? value : {};
+                }
+                result2 = initCloneByTag(value, tag, isDeep);
+              }
+            }
+            stack || (stack = new Stack2());
+            var stacked = stack.get(value);
+            if (stacked) {
+              return stacked;
+            }
+            stack.set(value, result2);
+            if (isSet(value)) {
+              value.forEach(function(subValue) {
+                result2.add(baseClone(subValue, bitmask, customizer, subValue, value, stack));
+              });
+            } else if (isMap(value)) {
+              value.forEach(function(subValue, key2) {
+                result2.set(key2, baseClone(subValue, bitmask, customizer, key2, value, stack));
+              });
+            }
+            var keysFunc = isFull ? isFlat ? getAllKeysIn : getAllKeys2 : isFlat ? keysIn : keys2;
+            var props = isArr ? undefined2 : keysFunc(value);
+            arrayEach(props || value, function(subValue, key2) {
+              if (props) {
+                key2 = subValue;
+                subValue = value[key2];
+              }
+              assignValue(result2, key2, baseClone(subValue, bitmask, customizer, key2, value, stack));
+            });
+            return result2;
+          }
+          function baseConforms(source) {
+            var props = keys2(source);
+            return function(object) {
+              return baseConformsTo(object, source, props);
+            };
+          }
+          function baseConformsTo(object, source, props) {
+            var length = props.length;
+            if (object == null) {
+              return !length;
+            }
+            object = Object2(object);
+            while (length--) {
+              var key = props[length], predicate = source[key], value = object[key];
+              if (value === undefined2 && !(key in object) || !predicate(value)) {
+                return false;
+              }
+            }
+            return true;
+          }
+          function baseDelay(func, wait, args) {
+            if (typeof func != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            return setTimeout2(function() {
+              func.apply(undefined2, args);
+            }, wait);
+          }
+          function baseDifference(array2, values2, iteratee2, comparator) {
+            var index = -1, includes2 = arrayIncludes, isCommon = true, length = array2.length, result2 = [], valuesLength = values2.length;
+            if (!length) {
+              return result2;
+            }
+            if (iteratee2) {
+              values2 = arrayMap2(values2, baseUnary2(iteratee2));
+            }
+            if (comparator) {
+              includes2 = arrayIncludesWith;
+              isCommon = false;
+            } else if (values2.length >= LARGE_ARRAY_SIZE2) {
+              includes2 = cacheHas2;
+              isCommon = false;
+              values2 = new SetCache2(values2);
+            }
+            outer:
+              while (++index < length) {
+                var value = array2[index], computed = iteratee2 == null ? value : iteratee2(value);
+                value = comparator || value !== 0 ? value : 0;
+                if (isCommon && computed === computed) {
+                  var valuesIndex = valuesLength;
+                  while (valuesIndex--) {
+                    if (values2[valuesIndex] === computed) {
+                      continue outer;
+                    }
+                  }
+                  result2.push(value);
+                } else if (!includes2(values2, computed, comparator)) {
+                  result2.push(value);
+                }
+              }
+            return result2;
+          }
+          var baseEach = createBaseEach(baseForOwn);
+          var baseEachRight = createBaseEach(baseForOwnRight, true);
+          function baseEvery(collection, predicate) {
+            var result2 = true;
+            baseEach(collection, function(value, index, collection2) {
+              result2 = !!predicate(value, index, collection2);
+              return result2;
+            });
+            return result2;
+          }
+          function baseExtremum(array2, iteratee2, comparator) {
+            var index = -1, length = array2.length;
+            while (++index < length) {
+              var value = array2[index], current = iteratee2(value);
+              if (current != null && (computed === undefined2 ? current === current && !isSymbol2(current) : comparator(current, computed))) {
+                var computed = current, result2 = value;
+              }
+            }
+            return result2;
+          }
+          function baseFill(array2, value, start2, end) {
+            var length = array2.length;
+            start2 = toInteger(start2);
+            if (start2 < 0) {
+              start2 = -start2 > length ? 0 : length + start2;
+            }
+            end = end === undefined2 || end > length ? length : toInteger(end);
+            if (end < 0) {
+              end += length;
+            }
+            end = start2 > end ? 0 : toLength(end);
+            while (start2 < end) {
+              array2[start2++] = value;
+            }
+            return array2;
+          }
+          function baseFilter(collection, predicate) {
+            var result2 = [];
+            baseEach(collection, function(value, index, collection2) {
+              if (predicate(value, index, collection2)) {
+                result2.push(value);
+              }
+            });
+            return result2;
+          }
+          function baseFlatten(array2, depth, predicate, isStrict, result2) {
+            var index = -1, length = array2.length;
+            predicate || (predicate = isFlattenable);
+            result2 || (result2 = []);
+            while (++index < length) {
+              var value = array2[index];
+              if (depth > 0 && predicate(value)) {
+                if (depth > 1) {
+                  baseFlatten(value, depth - 1, predicate, isStrict, result2);
+                } else {
+                  arrayPush2(result2, value);
+                }
+              } else if (!isStrict) {
+                result2[result2.length] = value;
+              }
+            }
+            return result2;
+          }
+          var baseFor = createBaseFor();
+          var baseForRight = createBaseFor(true);
+          function baseForOwn(object, iteratee2) {
+            return object && baseFor(object, iteratee2, keys2);
+          }
+          function baseForOwnRight(object, iteratee2) {
+            return object && baseForRight(object, iteratee2, keys2);
+          }
+          function baseFunctions(object, props) {
+            return arrayFilter2(props, function(key) {
+              return isFunction2(object[key]);
+            });
+          }
+          function baseGet(object, path) {
+            path = castPath(path, object);
+            var index = 0, length = path.length;
+            while (object != null && index < length) {
+              object = object[toKey(path[index++])];
+            }
+            return index && index == length ? object : undefined2;
+          }
+          function baseGetAllKeys2(object, keysFunc, symbolsFunc) {
+            var result2 = keysFunc(object);
+            return isArray2(object) ? result2 : arrayPush2(result2, symbolsFunc(object));
+          }
+          function baseGetTag2(value) {
+            if (value == null) {
+              return value === undefined2 ? undefinedTag2 : nullTag2;
+            }
+            return symToStringTag3 && symToStringTag3 in Object2(value) ? getRawTag2(value) : objectToString2(value);
+          }
+          function baseGt(value, other) {
+            return value > other;
+          }
+          function baseHas(object, key) {
+            return object != null && hasOwnProperty10.call(object, key);
+          }
+          function baseHasIn(object, key) {
+            return object != null && key in Object2(object);
+          }
+          function baseInRange(number3, start2, end) {
+            return number3 >= nativeMin2(start2, end) && number3 < nativeMax2(start2, end);
+          }
+          function baseIntersection(arrays, iteratee2, comparator) {
+            var includes2 = comparator ? arrayIncludesWith : arrayIncludes, length = arrays[0].length, othLength = arrays.length, othIndex = othLength, caches = Array2(othLength), maxLength = Infinity, result2 = [];
+            while (othIndex--) {
+              var array2 = arrays[othIndex];
+              if (othIndex && iteratee2) {
+                array2 = arrayMap2(array2, baseUnary2(iteratee2));
+              }
+              maxLength = nativeMin2(array2.length, maxLength);
+              caches[othIndex] = !comparator && (iteratee2 || length >= 120 && array2.length >= 120) ? new SetCache2(othIndex && array2) : undefined2;
+            }
+            array2 = arrays[0];
+            var index = -1, seen = caches[0];
+            outer:
+              while (++index < length && result2.length < maxLength) {
+                var value = array2[index], computed = iteratee2 ? iteratee2(value) : value;
+                value = comparator || value !== 0 ? value : 0;
+                if (!(seen ? cacheHas2(seen, computed) : includes2(result2, computed, comparator))) {
+                  othIndex = othLength;
+                  while (--othIndex) {
+                    var cache = caches[othIndex];
+                    if (!(cache ? cacheHas2(cache, computed) : includes2(arrays[othIndex], computed, comparator))) {
+                      continue outer;
+                    }
+                  }
+                  if (seen) {
+                    seen.push(computed);
+                  }
+                  result2.push(value);
+                }
+              }
+            return result2;
+          }
+          function baseInverter(object, setter, iteratee2, accumulator) {
+            baseForOwn(object, function(value, key, object2) {
+              setter(accumulator, iteratee2(value), key, object2);
+            });
+            return accumulator;
+          }
+          function baseInvoke(object, path, args) {
+            path = castPath(path, object);
+            object = parent(object, path);
+            var func = object == null ? object : object[toKey(last(path))];
+            return func == null ? undefined2 : apply(func, object, args);
+          }
+          function baseIsArguments2(value) {
+            return isObjectLike2(value) && baseGetTag2(value) == argsTag4;
+          }
+          function baseIsArrayBuffer(value) {
+            return isObjectLike2(value) && baseGetTag2(value) == arrayBufferTag3;
+          }
+          function baseIsDate(value) {
+            return isObjectLike2(value) && baseGetTag2(value) == dateTag3;
+          }
+          function baseIsEqual2(value, other, bitmask, customizer, stack) {
+            if (value === other) {
+              return true;
+            }
+            if (value == null || other == null || !isObjectLike2(value) && !isObjectLike2(other)) {
+              return value !== value && other !== other;
+            }
+            return baseIsEqualDeep2(value, other, bitmask, customizer, baseIsEqual2, stack);
+          }
+          function baseIsEqualDeep2(object, other, bitmask, customizer, equalFunc, stack) {
+            var objIsArr = isArray2(object), othIsArr = isArray2(other), objTag = objIsArr ? arrayTag3 : getTag2(object), othTag = othIsArr ? arrayTag3 : getTag2(other);
+            objTag = objTag == argsTag4 ? objectTag4 : objTag;
+            othTag = othTag == argsTag4 ? objectTag4 : othTag;
+            var objIsObj = objTag == objectTag4, othIsObj = othTag == objectTag4, isSameTag = objTag == othTag;
+            if (isSameTag && isBuffer2(object)) {
+              if (!isBuffer2(other)) {
+                return false;
+              }
+              objIsArr = true;
+              objIsObj = false;
+            }
+            if (isSameTag && !objIsObj) {
+              stack || (stack = new Stack2());
+              return objIsArr || isTypedArray2(object) ? equalArrays2(object, other, bitmask, customizer, equalFunc, stack) : equalByTag2(object, other, objTag, bitmask, customizer, equalFunc, stack);
+            }
+            if (!(bitmask & COMPARE_PARTIAL_FLAG5)) {
+              var objIsWrapped = objIsObj && hasOwnProperty10.call(object, "__wrapped__"), othIsWrapped = othIsObj && hasOwnProperty10.call(other, "__wrapped__");
+              if (objIsWrapped || othIsWrapped) {
+                var objUnwrapped = objIsWrapped ? object.value() : object, othUnwrapped = othIsWrapped ? other.value() : other;
+                stack || (stack = new Stack2());
+                return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+              }
+            }
+            if (!isSameTag) {
+              return false;
+            }
+            stack || (stack = new Stack2());
+            return equalObjects2(object, other, bitmask, customizer, equalFunc, stack);
+          }
+          function baseIsMap(value) {
+            return isObjectLike2(value) && getTag2(value) == mapTag4;
+          }
+          function baseIsMatch(object, source, matchData, customizer) {
+            var index = matchData.length, length = index, noCustomizer = !customizer;
+            if (object == null) {
+              return !length;
+            }
+            object = Object2(object);
+            while (index--) {
+              var data = matchData[index];
+              if (noCustomizer && data[2] ? data[1] !== object[data[0]] : !(data[0] in object)) {
+                return false;
+              }
+            }
+            while (++index < length) {
+              data = matchData[index];
+              var key = data[0], objValue = object[key], srcValue = data[1];
+              if (noCustomizer && data[2]) {
+                if (objValue === undefined2 && !(key in object)) {
+                  return false;
+                }
+              } else {
+                var stack = new Stack2();
+                if (customizer) {
+                  var result2 = customizer(objValue, srcValue, key, object, source, stack);
+                }
+                if (!(result2 === undefined2 ? baseIsEqual2(srcValue, objValue, COMPARE_PARTIAL_FLAG5 | COMPARE_UNORDERED_FLAG3, customizer, stack) : result2)) {
+                  return false;
+                }
+              }
+            }
+            return true;
+          }
+          function baseIsNative2(value) {
+            if (!isObject3(value) || isMasked2(value)) {
+              return false;
+            }
+            var pattern = isFunction2(value) ? reIsNative2 : reIsHostCtor2;
+            return pattern.test(toSource2(value));
+          }
+          function baseIsRegExp(value) {
+            return isObjectLike2(value) && baseGetTag2(value) == regexpTag3;
+          }
+          function baseIsSet(value) {
+            return isObjectLike2(value) && getTag2(value) == setTag4;
+          }
+          function baseIsTypedArray2(value) {
+            return isObjectLike2(value) && isLength2(value.length) && !!typedArrayTags2[baseGetTag2(value)];
+          }
+          function baseIteratee(value) {
+            if (typeof value == "function") {
+              return value;
+            }
+            if (value == null) {
+              return identity4;
+            }
+            if (typeof value == "object") {
+              return isArray2(value) ? baseMatchesProperty(value[0], value[1]) : baseMatches(value);
+            }
+            return property(value);
+          }
+          function baseKeys2(object) {
+            if (!isPrototype2(object)) {
+              return nativeKeys2(object);
+            }
+            var result2 = [];
+            for (var key in Object2(object)) {
+              if (hasOwnProperty10.call(object, key) && key != "constructor") {
+                result2.push(key);
+              }
+            }
+            return result2;
+          }
+          function baseKeysIn(object) {
+            if (!isObject3(object)) {
+              return nativeKeysIn(object);
+            }
+            var isProto = isPrototype2(object), result2 = [];
+            for (var key in object) {
+              if (!(key == "constructor" && (isProto || !hasOwnProperty10.call(object, key)))) {
+                result2.push(key);
+              }
+            }
+            return result2;
+          }
+          function baseLt(value, other) {
+            return value < other;
+          }
+          function baseMap(collection, iteratee2) {
+            var index = -1, result2 = isArrayLike2(collection) ? Array2(collection.length) : [];
+            baseEach(collection, function(value, key, collection2) {
+              result2[++index] = iteratee2(value, key, collection2);
+            });
+            return result2;
+          }
+          function baseMatches(source) {
+            var matchData = getMatchData(source);
+            if (matchData.length == 1 && matchData[0][2]) {
+              return matchesStrictComparable(matchData[0][0], matchData[0][1]);
+            }
+            return function(object) {
+              return object === source || baseIsMatch(object, source, matchData);
+            };
+          }
+          function baseMatchesProperty(path, srcValue) {
+            if (isKey(path) && isStrictComparable(srcValue)) {
+              return matchesStrictComparable(toKey(path), srcValue);
+            }
+            return function(object) {
+              var objValue = get4(object, path);
+              return objValue === undefined2 && objValue === srcValue ? hasIn(object, path) : baseIsEqual2(srcValue, objValue, COMPARE_PARTIAL_FLAG5 | COMPARE_UNORDERED_FLAG3);
+            };
+          }
+          function baseMerge(object, source, srcIndex, customizer, stack) {
+            if (object === source) {
+              return;
+            }
+            baseFor(source, function(srcValue, key) {
+              stack || (stack = new Stack2());
+              if (isObject3(srcValue)) {
+                baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
+              } else {
+                var newValue = customizer ? customizer(safeGet(object, key), srcValue, key + "", object, source, stack) : undefined2;
+                if (newValue === undefined2) {
+                  newValue = srcValue;
+                }
+                assignMergeValue(object, key, newValue);
+              }
+            }, keysIn);
+          }
+          function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
+            var objValue = safeGet(object, key), srcValue = safeGet(source, key), stacked = stack.get(srcValue);
+            if (stacked) {
+              assignMergeValue(object, key, stacked);
+              return;
+            }
+            var newValue = customizer ? customizer(objValue, srcValue, key + "", object, source, stack) : undefined2;
+            var isCommon = newValue === undefined2;
+            if (isCommon) {
+              var isArr = isArray2(srcValue), isBuff = !isArr && isBuffer2(srcValue), isTyped = !isArr && !isBuff && isTypedArray2(srcValue);
+              newValue = srcValue;
+              if (isArr || isBuff || isTyped) {
+                if (isArray2(objValue)) {
+                  newValue = objValue;
+                } else if (isArrayLikeObject(objValue)) {
+                  newValue = copyArray(objValue);
+                } else if (isBuff) {
+                  isCommon = false;
+                  newValue = cloneBuffer(srcValue, true);
+                } else if (isTyped) {
+                  isCommon = false;
+                  newValue = cloneTypedArray(srcValue, true);
+                } else {
+                  newValue = [];
+                }
+              } else if (isPlainObject(srcValue) || isArguments2(srcValue)) {
+                newValue = objValue;
+                if (isArguments2(objValue)) {
+                  newValue = toPlainObject(objValue);
+                } else if (!isObject3(objValue) || isFunction2(objValue)) {
+                  newValue = initCloneObject(srcValue);
+                }
+              } else {
+                isCommon = false;
+              }
+            }
+            if (isCommon) {
+              stack.set(srcValue, newValue);
+              mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
+              stack["delete"](srcValue);
+            }
+            assignMergeValue(object, key, newValue);
+          }
+          function baseNth(array2, n2) {
+            var length = array2.length;
+            if (!length) {
+              return;
+            }
+            n2 += n2 < 0 ? length : 0;
+            return isIndex2(n2, length) ? array2[n2] : undefined2;
+          }
+          function baseOrderBy(collection, iteratees, orders) {
+            if (iteratees.length) {
+              iteratees = arrayMap2(iteratees, function(iteratee2) {
+                if (isArray2(iteratee2)) {
+                  return function(value) {
+                    return baseGet(value, iteratee2.length === 1 ? iteratee2[0] : iteratee2);
+                  };
+                }
+                return iteratee2;
+              });
+            } else {
+              iteratees = [identity4];
+            }
+            var index = -1;
+            iteratees = arrayMap2(iteratees, baseUnary2(getIteratee()));
+            var result2 = baseMap(collection, function(value, key, collection2) {
+              var criteria = arrayMap2(iteratees, function(iteratee2) {
+                return iteratee2(value);
+              });
+              return { "criteria": criteria, "index": ++index, "value": value };
+            });
+            return baseSortBy(result2, function(object, other) {
+              return compareMultiple(object, other, orders);
+            });
+          }
+          function basePick(object, paths) {
+            return basePickBy(object, paths, function(value, path) {
+              return hasIn(object, path);
+            });
+          }
+          function basePickBy(object, paths, predicate) {
+            var index = -1, length = paths.length, result2 = {};
+            while (++index < length) {
+              var path = paths[index], value = baseGet(object, path);
+              if (predicate(value, path)) {
+                baseSet(result2, castPath(path, object), value);
+              }
+            }
+            return result2;
+          }
+          function basePropertyDeep(path) {
+            return function(object) {
+              return baseGet(object, path);
+            };
+          }
+          function basePullAll(array2, values2, iteratee2, comparator) {
+            var indexOf2 = comparator ? baseIndexOfWith : baseIndexOf, index = -1, length = values2.length, seen = array2;
+            if (array2 === values2) {
+              values2 = copyArray(values2);
+            }
+            if (iteratee2) {
+              seen = arrayMap2(array2, baseUnary2(iteratee2));
+            }
+            while (++index < length) {
+              var fromIndex = 0, value = values2[index], computed = iteratee2 ? iteratee2(value) : value;
+              while ((fromIndex = indexOf2(seen, computed, fromIndex, comparator)) > -1) {
+                if (seen !== array2) {
+                  splice2.call(seen, fromIndex, 1);
+                }
+                splice2.call(array2, fromIndex, 1);
+              }
+            }
+            return array2;
+          }
+          function basePullAt(array2, indexes) {
+            var length = array2 ? indexes.length : 0, lastIndex = length - 1;
+            while (length--) {
+              var index = indexes[length];
+              if (length == lastIndex || index !== previous) {
+                var previous = index;
+                if (isIndex2(index)) {
+                  splice2.call(array2, index, 1);
+                } else {
+                  baseUnset(array2, index);
+                }
+              }
+            }
+            return array2;
+          }
+          function baseRandom(lower2, upper) {
+            return lower2 + nativeFloor(nativeRandom() * (upper - lower2 + 1));
+          }
+          function baseRange(start2, end, step, fromRight) {
+            var index = -1, length = nativeMax2(nativeCeil((end - start2) / (step || 1)), 0), result2 = Array2(length);
+            while (length--) {
+              result2[fromRight ? length : ++index] = start2;
+              start2 += step;
+            }
+            return result2;
+          }
+          function baseRepeat(string, n2) {
+            var result2 = "";
+            if (!string || n2 < 1 || n2 > MAX_SAFE_INTEGER3) {
+              return result2;
+            }
+            do {
+              if (n2 % 2) {
+                result2 += string;
+              }
+              n2 = nativeFloor(n2 / 2);
+              if (n2) {
+                string += string;
+              }
+            } while (n2);
+            return result2;
+          }
+          function baseRest(func, start2) {
+            return setToString(overRest(func, start2, identity4), func + "");
+          }
+          function baseSample(collection) {
+            return arraySample(values(collection));
+          }
+          function baseSampleSize(collection, n2) {
+            var array2 = values(collection);
+            return shuffleSelf(array2, baseClamp(n2, 0, array2.length));
+          }
+          function baseSet(object, path, value, customizer) {
+            if (!isObject3(object)) {
+              return object;
+            }
+            path = castPath(path, object);
+            var index = -1, length = path.length, lastIndex = length - 1, nested = object;
+            while (nested != null && ++index < length) {
+              var key = toKey(path[index]), newValue = value;
+              if (key === "__proto__" || key === "constructor" || key === "prototype") {
+                return object;
+              }
+              if (index != lastIndex) {
+                var objValue = nested[key];
+                newValue = customizer ? customizer(objValue, key, nested) : undefined2;
+                if (newValue === undefined2) {
+                  newValue = isObject3(objValue) ? objValue : isIndex2(path[index + 1]) ? [] : {};
+                }
+              }
+              assignValue(nested, key, newValue);
+              nested = nested[key];
+            }
+            return object;
+          }
+          var baseSetData = !metaMap ? identity4 : function(func, data) {
+            metaMap.set(func, data);
+            return func;
+          };
+          var baseSetToString = !defineProperty ? identity4 : function(func, string) {
+            return defineProperty(func, "toString", {
+              "configurable": true,
+              "enumerable": false,
+              "value": constant(string),
+              "writable": true
+            });
+          };
+          function baseShuffle(collection) {
+            return shuffleSelf(values(collection));
+          }
+          function baseSlice(array2, start2, end) {
+            var index = -1, length = array2.length;
+            if (start2 < 0) {
+              start2 = -start2 > length ? 0 : length + start2;
+            }
+            end = end > length ? length : end;
+            if (end < 0) {
+              end += length;
+            }
+            length = start2 > end ? 0 : end - start2 >>> 0;
+            start2 >>>= 0;
+            var result2 = Array2(length);
+            while (++index < length) {
+              result2[index] = array2[index + start2];
+            }
+            return result2;
+          }
+          function baseSome(collection, predicate) {
+            var result2;
+            baseEach(collection, function(value, index, collection2) {
+              result2 = predicate(value, index, collection2);
+              return !result2;
+            });
+            return !!result2;
+          }
+          function baseSortedIndex(array2, value, retHighest) {
+            var low = 0, high = array2 == null ? low : array2.length;
+            if (typeof value == "number" && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
+              while (low < high) {
+                var mid = low + high >>> 1, computed = array2[mid];
+                if (computed !== null && !isSymbol2(computed) && (retHighest ? computed <= value : computed < value)) {
+                  low = mid + 1;
+                } else {
+                  high = mid;
+                }
+              }
+              return high;
+            }
+            return baseSortedIndexBy(array2, value, identity4, retHighest);
+          }
+          function baseSortedIndexBy(array2, value, iteratee2, retHighest) {
+            var low = 0, high = array2 == null ? 0 : array2.length;
+            if (high === 0) {
+              return 0;
+            }
+            value = iteratee2(value);
+            var valIsNaN = value !== value, valIsNull = value === null, valIsSymbol = isSymbol2(value), valIsUndefined = value === undefined2;
+            while (low < high) {
+              var mid = nativeFloor((low + high) / 2), computed = iteratee2(array2[mid]), othIsDefined = computed !== undefined2, othIsNull = computed === null, othIsReflexive = computed === computed, othIsSymbol = isSymbol2(computed);
+              if (valIsNaN) {
+                var setLow = retHighest || othIsReflexive;
+              } else if (valIsUndefined) {
+                setLow = othIsReflexive && (retHighest || othIsDefined);
+              } else if (valIsNull) {
+                setLow = othIsReflexive && othIsDefined && (retHighest || !othIsNull);
+              } else if (valIsSymbol) {
+                setLow = othIsReflexive && othIsDefined && !othIsNull && (retHighest || !othIsSymbol);
+              } else if (othIsNull || othIsSymbol) {
+                setLow = false;
+              } else {
+                setLow = retHighest ? computed <= value : computed < value;
+              }
+              if (setLow) {
+                low = mid + 1;
+              } else {
+                high = mid;
+              }
+            }
+            return nativeMin2(high, MAX_ARRAY_INDEX);
+          }
+          function baseSortedUniq(array2, iteratee2) {
+            var index = -1, length = array2.length, resIndex = 0, result2 = [];
+            while (++index < length) {
+              var value = array2[index], computed = iteratee2 ? iteratee2(value) : value;
+              if (!index || !eq2(computed, seen)) {
+                var seen = computed;
+                result2[resIndex++] = value === 0 ? 0 : value;
+              }
+            }
+            return result2;
+          }
+          function baseToNumber(value) {
+            if (typeof value == "number") {
+              return value;
+            }
+            if (isSymbol2(value)) {
+              return NAN2;
+            }
+            return +value;
+          }
+          function baseToString2(value) {
+            if (typeof value == "string") {
+              return value;
+            }
+            if (isArray2(value)) {
+              return arrayMap2(value, baseToString2) + "";
+            }
+            if (isSymbol2(value)) {
+              return symbolToString2 ? symbolToString2.call(value) : "";
+            }
+            var result2 = value + "";
+            return result2 == "0" && 1 / value == -INFINITY2 ? "-0" : result2;
+          }
+          function baseUniq(array2, iteratee2, comparator) {
+            var index = -1, includes2 = arrayIncludes, length = array2.length, isCommon = true, result2 = [], seen = result2;
+            if (comparator) {
+              isCommon = false;
+              includes2 = arrayIncludesWith;
+            } else if (length >= LARGE_ARRAY_SIZE2) {
+              var set4 = iteratee2 ? null : createSet(array2);
+              if (set4) {
+                return setToArray2(set4);
+              }
+              isCommon = false;
+              includes2 = cacheHas2;
+              seen = new SetCache2();
+            } else {
+              seen = iteratee2 ? [] : result2;
+            }
+            outer:
+              while (++index < length) {
+                var value = array2[index], computed = iteratee2 ? iteratee2(value) : value;
+                value = comparator || value !== 0 ? value : 0;
+                if (isCommon && computed === computed) {
+                  var seenIndex = seen.length;
+                  while (seenIndex--) {
+                    if (seen[seenIndex] === computed) {
+                      continue outer;
+                    }
+                  }
+                  if (iteratee2) {
+                    seen.push(computed);
+                  }
+                  result2.push(value);
+                } else if (!includes2(seen, computed, comparator)) {
+                  if (seen !== result2) {
+                    seen.push(computed);
+                  }
+                  result2.push(value);
+                }
+              }
+            return result2;
+          }
+          function baseUnset(object, path) {
+            path = castPath(path, object);
+            object = parent(object, path);
+            return object == null || delete object[toKey(last(path))];
+          }
+          function baseUpdate(object, path, updater, customizer) {
+            return baseSet(object, path, updater(baseGet(object, path)), customizer);
+          }
+          function baseWhile(array2, predicate, isDrop, fromRight) {
+            var length = array2.length, index = fromRight ? length : -1;
+            while ((fromRight ? index-- : ++index < length) && predicate(array2[index], index, array2)) {
+            }
+            return isDrop ? baseSlice(array2, fromRight ? 0 : index, fromRight ? index + 1 : length) : baseSlice(array2, fromRight ? index + 1 : 0, fromRight ? length : index);
+          }
+          function baseWrapperValue(value, actions) {
+            var result2 = value;
+            if (result2 instanceof LazyWrapper) {
+              result2 = result2.value();
+            }
+            return arrayReduce(actions, function(result3, action) {
+              return action.func.apply(action.thisArg, arrayPush2([result3], action.args));
+            }, result2);
+          }
+          function baseXor(arrays, iteratee2, comparator) {
+            var length = arrays.length;
+            if (length < 2) {
+              return length ? baseUniq(arrays[0]) : [];
+            }
+            var index = -1, result2 = Array2(length);
+            while (++index < length) {
+              var array2 = arrays[index], othIndex = -1;
+              while (++othIndex < length) {
+                if (othIndex != index) {
+                  result2[index] = baseDifference(result2[index] || array2, arrays[othIndex], iteratee2, comparator);
+                }
+              }
+            }
+            return baseUniq(baseFlatten(result2, 1), iteratee2, comparator);
+          }
+          function baseZipObject(props, values2, assignFunc) {
+            var index = -1, length = props.length, valsLength = values2.length, result2 = {};
+            while (++index < length) {
+              var value = index < valsLength ? values2[index] : undefined2;
+              assignFunc(result2, props[index], value);
+            }
+            return result2;
+          }
+          function castArrayLikeObject(value) {
+            return isArrayLikeObject(value) ? value : [];
+          }
+          function castFunction(value) {
+            return typeof value == "function" ? value : identity4;
+          }
+          function castPath(value, object) {
+            if (isArray2(value)) {
+              return value;
+            }
+            return isKey(value, object) ? [value] : stringToPath(toString2(value));
+          }
+          var castRest = baseRest;
+          function castSlice(array2, start2, end) {
+            var length = array2.length;
+            end = end === undefined2 ? length : end;
+            return !start2 && end >= length ? array2 : baseSlice(array2, start2, end);
+          }
+          var clearTimeout2 = ctxClearTimeout || function(id2) {
+            return root3.clearTimeout(id2);
+          };
+          function cloneBuffer(buffer, isDeep) {
+            if (isDeep) {
+              return buffer.slice();
+            }
+            var length = buffer.length, result2 = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+            buffer.copy(result2);
+            return result2;
+          }
+          function cloneArrayBuffer(arrayBuffer) {
+            var result2 = new arrayBuffer.constructor(arrayBuffer.byteLength);
+            new Uint8Array3(result2).set(new Uint8Array3(arrayBuffer));
+            return result2;
+          }
+          function cloneDataView(dataView, isDeep) {
+            var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
+            return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
+          }
+          function cloneRegExp(regexp) {
+            var result2 = new regexp.constructor(regexp.source, reFlags.exec(regexp));
+            result2.lastIndex = regexp.lastIndex;
+            return result2;
+          }
+          function cloneSymbol(symbol) {
+            return symbolValueOf2 ? Object2(symbolValueOf2.call(symbol)) : {};
+          }
+          function cloneTypedArray(typedArray, isDeep) {
+            var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
+            return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
+          }
+          function compareAscending(value, other) {
+            if (value !== other) {
+              var valIsDefined = value !== undefined2, valIsNull = value === null, valIsReflexive = value === value, valIsSymbol = isSymbol2(value);
+              var othIsDefined = other !== undefined2, othIsNull = other === null, othIsReflexive = other === other, othIsSymbol = isSymbol2(other);
+              if (!othIsNull && !othIsSymbol && !valIsSymbol && value > other || valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol || valIsNull && othIsDefined && othIsReflexive || !valIsDefined && othIsReflexive || !valIsReflexive) {
+                return 1;
+              }
+              if (!valIsNull && !valIsSymbol && !othIsSymbol && value < other || othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol || othIsNull && valIsDefined && valIsReflexive || !othIsDefined && valIsReflexive || !othIsReflexive) {
+                return -1;
+              }
+            }
+            return 0;
+          }
+          function compareMultiple(object, other, orders) {
+            var index = -1, objCriteria = object.criteria, othCriteria = other.criteria, length = objCriteria.length, ordersLength = orders.length;
+            while (++index < length) {
+              var result2 = compareAscending(objCriteria[index], othCriteria[index]);
+              if (result2) {
+                if (index >= ordersLength) {
+                  return result2;
+                }
+                var order = orders[index];
+                return result2 * (order == "desc" ? -1 : 1);
+              }
+            }
+            return object.index - other.index;
+          }
+          function composeArgs(args, partials, holders, isCurried) {
+            var argsIndex = -1, argsLength = args.length, holdersLength = holders.length, leftIndex = -1, leftLength = partials.length, rangeLength = nativeMax2(argsLength - holdersLength, 0), result2 = Array2(leftLength + rangeLength), isUncurried = !isCurried;
+            while (++leftIndex < leftLength) {
+              result2[leftIndex] = partials[leftIndex];
+            }
+            while (++argsIndex < holdersLength) {
+              if (isUncurried || argsIndex < argsLength) {
+                result2[holders[argsIndex]] = args[argsIndex];
+              }
+            }
+            while (rangeLength--) {
+              result2[leftIndex++] = args[argsIndex++];
+            }
+            return result2;
+          }
+          function composeArgsRight(args, partials, holders, isCurried) {
+            var argsIndex = -1, argsLength = args.length, holdersIndex = -1, holdersLength = holders.length, rightIndex = -1, rightLength = partials.length, rangeLength = nativeMax2(argsLength - holdersLength, 0), result2 = Array2(rangeLength + rightLength), isUncurried = !isCurried;
+            while (++argsIndex < rangeLength) {
+              result2[argsIndex] = args[argsIndex];
+            }
+            var offset = argsIndex;
+            while (++rightIndex < rightLength) {
+              result2[offset + rightIndex] = partials[rightIndex];
+            }
+            while (++holdersIndex < holdersLength) {
+              if (isUncurried || argsIndex < argsLength) {
+                result2[offset + holders[holdersIndex]] = args[argsIndex++];
+              }
+            }
+            return result2;
+          }
+          function copyArray(source, array2) {
+            var index = -1, length = source.length;
+            array2 || (array2 = Array2(length));
+            while (++index < length) {
+              array2[index] = source[index];
+            }
+            return array2;
+          }
+          function copyObject(source, props, object, customizer) {
+            var isNew = !object;
+            object || (object = {});
+            var index = -1, length = props.length;
+            while (++index < length) {
+              var key = props[index];
+              var newValue = customizer ? customizer(object[key], source[key], key, object, source) : undefined2;
+              if (newValue === undefined2) {
+                newValue = source[key];
+              }
+              if (isNew) {
+                baseAssignValue(object, key, newValue);
+              } else {
+                assignValue(object, key, newValue);
+              }
+            }
+            return object;
+          }
+          function copySymbols(source, object) {
+            return copyObject(source, getSymbols2(source), object);
+          }
+          function copySymbolsIn(source, object) {
+            return copyObject(source, getSymbolsIn(source), object);
+          }
+          function createAggregator(setter, initializer) {
+            return function(collection, iteratee2) {
+              var func = isArray2(collection) ? arrayAggregator : baseAggregator, accumulator = initializer ? initializer() : {};
+              return func(collection, setter, getIteratee(iteratee2, 2), accumulator);
+            };
+          }
+          function createAssigner(assigner) {
+            return baseRest(function(object, sources) {
+              var index = -1, length = sources.length, customizer = length > 1 ? sources[length - 1] : undefined2, guard = length > 2 ? sources[2] : undefined2;
+              customizer = assigner.length > 3 && typeof customizer == "function" ? (length--, customizer) : undefined2;
+              if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+                customizer = length < 3 ? undefined2 : customizer;
+                length = 1;
+              }
+              object = Object2(object);
+              while (++index < length) {
+                var source = sources[index];
+                if (source) {
+                  assigner(object, source, index, customizer);
+                }
+              }
+              return object;
+            });
+          }
+          function createBaseEach(eachFunc, fromRight) {
+            return function(collection, iteratee2) {
+              if (collection == null) {
+                return collection;
+              }
+              if (!isArrayLike2(collection)) {
+                return eachFunc(collection, iteratee2);
+              }
+              var length = collection.length, index = fromRight ? length : -1, iterable = Object2(collection);
+              while (fromRight ? index-- : ++index < length) {
+                if (iteratee2(iterable[index], index, iterable) === false) {
+                  break;
+                }
+              }
+              return collection;
+            };
+          }
+          function createBaseFor(fromRight) {
+            return function(object, iteratee2, keysFunc) {
+              var index = -1, iterable = Object2(object), props = keysFunc(object), length = props.length;
+              while (length--) {
+                var key = props[fromRight ? length : ++index];
+                if (iteratee2(iterable[key], key, iterable) === false) {
+                  break;
+                }
+              }
+              return object;
+            };
+          }
+          function createBind(func, bitmask, thisArg) {
+            var isBind = bitmask & WRAP_BIND_FLAG, Ctor = createCtor(func);
+            function wrapper() {
+              var fn = this && this !== root3 && this instanceof wrapper ? Ctor : func;
+              return fn.apply(isBind ? thisArg : this, arguments);
+            }
+            return wrapper;
+          }
+          function createCaseFirst(methodName) {
+            return function(string) {
+              string = toString2(string);
+              var strSymbols = hasUnicode(string) ? stringToArray(string) : undefined2;
+              var chr = strSymbols ? strSymbols[0] : string.charAt(0);
+              var trailing = strSymbols ? castSlice(strSymbols, 1).join("") : string.slice(1);
+              return chr[methodName]() + trailing;
+            };
+          }
+          function createCompounder(callback) {
+            return function(string) {
+              return arrayReduce(words(deburr(string).replace(reApos, "")), callback, "");
+            };
+          }
+          function createCtor(Ctor) {
+            return function() {
+              var args = arguments;
+              switch (args.length) {
+                case 0:
+                  return new Ctor();
+                case 1:
+                  return new Ctor(args[0]);
+                case 2:
+                  return new Ctor(args[0], args[1]);
+                case 3:
+                  return new Ctor(args[0], args[1], args[2]);
+                case 4:
+                  return new Ctor(args[0], args[1], args[2], args[3]);
+                case 5:
+                  return new Ctor(args[0], args[1], args[2], args[3], args[4]);
+                case 6:
+                  return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5]);
+                case 7:
+                  return new Ctor(args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
+              }
+              var thisBinding = baseCreate(Ctor.prototype), result2 = Ctor.apply(thisBinding, args);
+              return isObject3(result2) ? result2 : thisBinding;
+            };
+          }
+          function createCurry(func, bitmask, arity) {
+            var Ctor = createCtor(func);
+            function wrapper() {
+              var length = arguments.length, args = Array2(length), index = length, placeholder = getHolder(wrapper);
+              while (index--) {
+                args[index] = arguments[index];
+              }
+              var holders = length < 3 && args[0] !== placeholder && args[length - 1] !== placeholder ? [] : replaceHolders(args, placeholder);
+              length -= holders.length;
+              if (length < arity) {
+                return createRecurry(
+                  func,
+                  bitmask,
+                  createHybrid,
+                  wrapper.placeholder,
+                  undefined2,
+                  args,
+                  holders,
+                  undefined2,
+                  undefined2,
+                  arity - length
+                );
+              }
+              var fn = this && this !== root3 && this instanceof wrapper ? Ctor : func;
+              return apply(fn, this, args);
+            }
+            return wrapper;
+          }
+          function createFind(findIndexFunc) {
+            return function(collection, predicate, fromIndex) {
+              var iterable = Object2(collection);
+              if (!isArrayLike2(collection)) {
+                var iteratee2 = getIteratee(predicate, 3);
+                collection = keys2(collection);
+                predicate = function(key) {
+                  return iteratee2(iterable[key], key, iterable);
+                };
+              }
+              var index = findIndexFunc(collection, predicate, fromIndex);
+              return index > -1 ? iterable[iteratee2 ? collection[index] : index] : undefined2;
+            };
+          }
+          function createFlow(fromRight) {
+            return flatRest(function(funcs) {
+              var length = funcs.length, index = length, prereq = LodashWrapper.prototype.thru;
+              if (fromRight) {
+                funcs.reverse();
+              }
+              while (index--) {
+                var func = funcs[index];
+                if (typeof func != "function") {
+                  throw new TypeError2(FUNC_ERROR_TEXT3);
+                }
+                if (prereq && !wrapper && getFuncName(func) == "wrapper") {
+                  var wrapper = new LodashWrapper([], true);
+                }
+              }
+              index = wrapper ? index : length;
+              while (++index < length) {
+                func = funcs[index];
+                var funcName = getFuncName(func), data = funcName == "wrapper" ? getData(func) : undefined2;
+                if (data && isLaziable(data[0]) && data[1] == (WRAP_ARY_FLAG | WRAP_CURRY_FLAG | WRAP_PARTIAL_FLAG | WRAP_REARG_FLAG) && !data[4].length && data[9] == 1) {
+                  wrapper = wrapper[getFuncName(data[0])].apply(wrapper, data[3]);
+                } else {
+                  wrapper = func.length == 1 && isLaziable(func) ? wrapper[funcName]() : wrapper.thru(func);
+                }
+              }
+              return function() {
+                var args = arguments, value = args[0];
+                if (wrapper && args.length == 1 && isArray2(value)) {
+                  return wrapper.plant(value).value();
+                }
+                var index2 = 0, result2 = length ? funcs[index2].apply(this, args) : value;
+                while (++index2 < length) {
+                  result2 = funcs[index2].call(this, result2);
+                }
+                return result2;
+              };
+            });
+          }
+          function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary2, arity) {
+            var isAry = bitmask & WRAP_ARY_FLAG, isBind = bitmask & WRAP_BIND_FLAG, isBindKey = bitmask & WRAP_BIND_KEY_FLAG, isCurried = bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG), isFlip = bitmask & WRAP_FLIP_FLAG, Ctor = isBindKey ? undefined2 : createCtor(func);
+            function wrapper() {
+              var length = arguments.length, args = Array2(length), index = length;
+              while (index--) {
+                args[index] = arguments[index];
+              }
+              if (isCurried) {
+                var placeholder = getHolder(wrapper), holdersCount = countHolders(args, placeholder);
+              }
+              if (partials) {
+                args = composeArgs(args, partials, holders, isCurried);
+              }
+              if (partialsRight) {
+                args = composeArgsRight(args, partialsRight, holdersRight, isCurried);
+              }
+              length -= holdersCount;
+              if (isCurried && length < arity) {
+                var newHolders = replaceHolders(args, placeholder);
+                return createRecurry(
+                  func,
+                  bitmask,
+                  createHybrid,
+                  wrapper.placeholder,
+                  thisArg,
+                  args,
+                  newHolders,
+                  argPos,
+                  ary2,
+                  arity - length
+                );
+              }
+              var thisBinding = isBind ? thisArg : this, fn = isBindKey ? thisBinding[func] : func;
+              length = args.length;
+              if (argPos) {
+                args = reorder(args, argPos);
+              } else if (isFlip && length > 1) {
+                args.reverse();
+              }
+              if (isAry && ary2 < length) {
+                args.length = ary2;
+              }
+              if (this && this !== root3 && this instanceof wrapper) {
+                fn = Ctor || createCtor(fn);
+              }
+              return fn.apply(thisBinding, args);
+            }
+            return wrapper;
+          }
+          function createInverter(setter, toIteratee) {
+            return function(object, iteratee2) {
+              return baseInverter(object, setter, toIteratee(iteratee2), {});
+            };
+          }
+          function createMathOperation(operator, defaultValue) {
+            return function(value, other) {
+              var result2;
+              if (value === undefined2 && other === undefined2) {
+                return defaultValue;
+              }
+              if (value !== undefined2) {
+                result2 = value;
+              }
+              if (other !== undefined2) {
+                if (result2 === undefined2) {
+                  return other;
+                }
+                if (typeof value == "string" || typeof other == "string") {
+                  value = baseToString2(value);
+                  other = baseToString2(other);
+                } else {
+                  value = baseToNumber(value);
+                  other = baseToNumber(other);
+                }
+                result2 = operator(value, other);
+              }
+              return result2;
+            };
+          }
+          function createOver(arrayFunc) {
+            return flatRest(function(iteratees) {
+              iteratees = arrayMap2(iteratees, baseUnary2(getIteratee()));
+              return baseRest(function(args) {
+                var thisArg = this;
+                return arrayFunc(iteratees, function(iteratee2) {
+                  return apply(iteratee2, thisArg, args);
+                });
+              });
+            });
+          }
+          function createPadding(length, chars) {
+            chars = chars === undefined2 ? " " : baseToString2(chars);
+            var charsLength = chars.length;
+            if (charsLength < 2) {
+              return charsLength ? baseRepeat(chars, length) : chars;
+            }
+            var result2 = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
+            return hasUnicode(chars) ? castSlice(stringToArray(result2), 0, length).join("") : result2.slice(0, length);
+          }
+          function createPartial(func, bitmask, thisArg, partials) {
+            var isBind = bitmask & WRAP_BIND_FLAG, Ctor = createCtor(func);
+            function wrapper() {
+              var argsIndex = -1, argsLength = arguments.length, leftIndex = -1, leftLength = partials.length, args = Array2(leftLength + argsLength), fn = this && this !== root3 && this instanceof wrapper ? Ctor : func;
+              while (++leftIndex < leftLength) {
+                args[leftIndex] = partials[leftIndex];
+              }
+              while (argsLength--) {
+                args[leftIndex++] = arguments[++argsIndex];
+              }
+              return apply(fn, isBind ? thisArg : this, args);
+            }
+            return wrapper;
+          }
+          function createRange(fromRight) {
+            return function(start2, end, step) {
+              if (step && typeof step != "number" && isIterateeCall(start2, end, step)) {
+                end = step = undefined2;
+              }
+              start2 = toFinite(start2);
+              if (end === undefined2) {
+                end = start2;
+                start2 = 0;
+              } else {
+                end = toFinite(end);
+              }
+              step = step === undefined2 ? start2 < end ? 1 : -1 : toFinite(step);
+              return baseRange(start2, end, step, fromRight);
+            };
+          }
+          function createRelationalOperation(operator) {
+            return function(value, other) {
+              if (!(typeof value == "string" && typeof other == "string")) {
+                value = toNumber3(value);
+                other = toNumber3(other);
+              }
+              return operator(value, other);
+            };
+          }
+          function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary2, arity) {
+            var isCurry = bitmask & WRAP_CURRY_FLAG, newHolders = isCurry ? holders : undefined2, newHoldersRight = isCurry ? undefined2 : holders, newPartials = isCurry ? partials : undefined2, newPartialsRight = isCurry ? undefined2 : partials;
+            bitmask |= isCurry ? WRAP_PARTIAL_FLAG : WRAP_PARTIAL_RIGHT_FLAG;
+            bitmask &= ~(isCurry ? WRAP_PARTIAL_RIGHT_FLAG : WRAP_PARTIAL_FLAG);
+            if (!(bitmask & WRAP_CURRY_BOUND_FLAG)) {
+              bitmask &= ~(WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG);
+            }
+            var newData = [
+              func,
+              bitmask,
+              thisArg,
+              newPartials,
+              newHolders,
+              newPartialsRight,
+              newHoldersRight,
+              argPos,
+              ary2,
+              arity
+            ];
+            var result2 = wrapFunc.apply(undefined2, newData);
+            if (isLaziable(func)) {
+              setData(result2, newData);
+            }
+            result2.placeholder = placeholder;
+            return setWrapToString(result2, func, bitmask);
+          }
+          function createRound(methodName) {
+            var func = Math2[methodName];
+            return function(number3, precision2) {
+              number3 = toNumber3(number3);
+              precision2 = precision2 == null ? 0 : nativeMin2(toInteger(precision2), 292);
+              if (precision2 && nativeIsFinite(number3)) {
+                var pair2 = (toString2(number3) + "e").split("e"), value = func(pair2[0] + "e" + (+pair2[1] + precision2));
+                pair2 = (toString2(value) + "e").split("e");
+                return +(pair2[0] + "e" + (+pair2[1] - precision2));
+              }
+              return func(number3);
+            };
+          }
+          var createSet = !(Set3 && 1 / setToArray2(new Set3([, -0]))[1] == INFINITY2) ? noop3 : function(values2) {
+            return new Set3(values2);
+          };
+          function createToPairs(keysFunc) {
+            return function(object) {
+              var tag = getTag2(object);
+              if (tag == mapTag4) {
+                return mapToArray2(object);
+              }
+              if (tag == setTag4) {
+                return setToPairs(object);
+              }
+              return baseToPairs(object, keysFunc(object));
+            };
+          }
+          function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary2, arity) {
+            var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
+            if (!isBindKey && typeof func != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            var length = partials ? partials.length : 0;
+            if (!length) {
+              bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
+              partials = holders = undefined2;
+            }
+            ary2 = ary2 === undefined2 ? ary2 : nativeMax2(toInteger(ary2), 0);
+            arity = arity === undefined2 ? arity : toInteger(arity);
+            length -= holders ? holders.length : 0;
+            if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
+              var partialsRight = partials, holdersRight = holders;
+              partials = holders = undefined2;
+            }
+            var data = isBindKey ? undefined2 : getData(func);
+            var newData = [
+              func,
+              bitmask,
+              thisArg,
+              partials,
+              holders,
+              partialsRight,
+              holdersRight,
+              argPos,
+              ary2,
+              arity
+            ];
+            if (data) {
+              mergeData(newData, data);
+            }
+            func = newData[0];
+            bitmask = newData[1];
+            thisArg = newData[2];
+            partials = newData[3];
+            holders = newData[4];
+            arity = newData[9] = newData[9] === undefined2 ? isBindKey ? 0 : func.length : nativeMax2(newData[9] - length, 0);
+            if (!arity && bitmask & (WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG)) {
+              bitmask &= ~(WRAP_CURRY_FLAG | WRAP_CURRY_RIGHT_FLAG);
+            }
+            if (!bitmask || bitmask == WRAP_BIND_FLAG) {
+              var result2 = createBind(func, bitmask, thisArg);
+            } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
+              result2 = createCurry(func, bitmask, arity);
+            } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
+              result2 = createPartial(func, bitmask, thisArg, partials);
+            } else {
+              result2 = createHybrid.apply(undefined2, newData);
+            }
+            var setter = data ? baseSetData : setData;
+            return setWrapToString(setter(result2, newData), func, bitmask);
+          }
+          function customDefaultsAssignIn(objValue, srcValue, key, object) {
+            if (objValue === undefined2 || eq2(objValue, objectProto13[key]) && !hasOwnProperty10.call(object, key)) {
+              return srcValue;
+            }
+            return objValue;
+          }
+          function customDefaultsMerge(objValue, srcValue, key, object, source, stack) {
+            if (isObject3(objValue) && isObject3(srcValue)) {
+              stack.set(srcValue, objValue);
+              baseMerge(objValue, srcValue, undefined2, customDefaultsMerge, stack);
+              stack["delete"](srcValue);
+            }
+            return objValue;
+          }
+          function customOmitClone(value) {
+            return isPlainObject(value) ? undefined2 : value;
+          }
+          function equalArrays2(array2, other, bitmask, customizer, equalFunc, stack) {
+            var isPartial = bitmask & COMPARE_PARTIAL_FLAG5, arrLength = array2.length, othLength = other.length;
+            if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+              return false;
+            }
+            var arrStacked = stack.get(array2);
+            var othStacked = stack.get(other);
+            if (arrStacked && othStacked) {
+              return arrStacked == other && othStacked == array2;
+            }
+            var index = -1, result2 = true, seen = bitmask & COMPARE_UNORDERED_FLAG3 ? new SetCache2() : undefined2;
+            stack.set(array2, other);
+            stack.set(other, array2);
+            while (++index < arrLength) {
+              var arrValue = array2[index], othValue = other[index];
+              if (customizer) {
+                var compared = isPartial ? customizer(othValue, arrValue, index, other, array2, stack) : customizer(arrValue, othValue, index, array2, other, stack);
+              }
+              if (compared !== undefined2) {
+                if (compared) {
+                  continue;
+                }
+                result2 = false;
+                break;
+              }
+              if (seen) {
+                if (!arraySome2(other, function(othValue2, othIndex) {
+                  if (!cacheHas2(seen, othIndex) && (arrValue === othValue2 || equalFunc(arrValue, othValue2, bitmask, customizer, stack))) {
+                    return seen.push(othIndex);
+                  }
+                })) {
+                  result2 = false;
+                  break;
+                }
+              } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+                result2 = false;
+                break;
+              }
+            }
+            stack["delete"](array2);
+            stack["delete"](other);
+            return result2;
+          }
+          function equalByTag2(object, other, tag, bitmask, customizer, equalFunc, stack) {
+            switch (tag) {
+              case dataViewTag4:
+                if (object.byteLength != other.byteLength || object.byteOffset != other.byteOffset) {
+                  return false;
+                }
+                object = object.buffer;
+                other = other.buffer;
+              case arrayBufferTag3:
+                if (object.byteLength != other.byteLength || !equalFunc(new Uint8Array3(object), new Uint8Array3(other))) {
+                  return false;
+                }
+                return true;
+              case boolTag3:
+              case dateTag3:
+              case numberTag3:
+                return eq2(+object, +other);
+              case errorTag3:
+                return object.name == other.name && object.message == other.message;
+              case regexpTag3:
+              case stringTag3:
+                return object == other + "";
+              case mapTag4:
+                var convert = mapToArray2;
+              case setTag4:
+                var isPartial = bitmask & COMPARE_PARTIAL_FLAG5;
+                convert || (convert = setToArray2);
+                if (object.size != other.size && !isPartial) {
+                  return false;
+                }
+                var stacked = stack.get(object);
+                if (stacked) {
+                  return stacked == other;
+                }
+                bitmask |= COMPARE_UNORDERED_FLAG3;
+                stack.set(object, other);
+                var result2 = equalArrays2(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+                stack["delete"](object);
+                return result2;
+              case symbolTag3:
+                if (symbolValueOf2) {
+                  return symbolValueOf2.call(object) == symbolValueOf2.call(other);
+                }
+            }
+            return false;
+          }
+          function equalObjects2(object, other, bitmask, customizer, equalFunc, stack) {
+            var isPartial = bitmask & COMPARE_PARTIAL_FLAG5, objProps = getAllKeys2(object), objLength = objProps.length, othProps = getAllKeys2(other), othLength = othProps.length;
+            if (objLength != othLength && !isPartial) {
+              return false;
+            }
+            var index = objLength;
+            while (index--) {
+              var key = objProps[index];
+              if (!(isPartial ? key in other : hasOwnProperty10.call(other, key))) {
+                return false;
+              }
+            }
+            var objStacked = stack.get(object);
+            var othStacked = stack.get(other);
+            if (objStacked && othStacked) {
+              return objStacked == other && othStacked == object;
+            }
+            var result2 = true;
+            stack.set(object, other);
+            stack.set(other, object);
+            var skipCtor = isPartial;
+            while (++index < objLength) {
+              key = objProps[index];
+              var objValue = object[key], othValue = other[key];
+              if (customizer) {
+                var compared = isPartial ? customizer(othValue, objValue, key, other, object, stack) : customizer(objValue, othValue, key, object, other, stack);
+              }
+              if (!(compared === undefined2 ? objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack) : compared)) {
+                result2 = false;
+                break;
+              }
+              skipCtor || (skipCtor = key == "constructor");
+            }
+            if (result2 && !skipCtor) {
+              var objCtor = object.constructor, othCtor = other.constructor;
+              if (objCtor != othCtor && ("constructor" in object && "constructor" in other) && !(typeof objCtor == "function" && objCtor instanceof objCtor && typeof othCtor == "function" && othCtor instanceof othCtor)) {
+                result2 = false;
+              }
+            }
+            stack["delete"](object);
+            stack["delete"](other);
+            return result2;
+          }
+          function flatRest(func) {
+            return setToString(overRest(func, undefined2, flatten2), func + "");
+          }
+          function getAllKeys2(object) {
+            return baseGetAllKeys2(object, keys2, getSymbols2);
+          }
+          function getAllKeysIn(object) {
+            return baseGetAllKeys2(object, keysIn, getSymbolsIn);
+          }
+          var getData = !metaMap ? noop3 : function(func) {
+            return metaMap.get(func);
+          };
+          function getFuncName(func) {
+            var result2 = func.name + "", array2 = realNames[result2], length = hasOwnProperty10.call(realNames, result2) ? array2.length : 0;
+            while (length--) {
+              var data = array2[length], otherFunc = data.func;
+              if (otherFunc == null || otherFunc == func) {
+                return data.name;
+              }
+            }
+            return result2;
+          }
+          function getHolder(func) {
+            var object = hasOwnProperty10.call(lodash, "placeholder") ? lodash : func;
+            return object.placeholder;
+          }
+          function getIteratee() {
+            var result2 = lodash.iteratee || iteratee;
+            result2 = result2 === iteratee ? baseIteratee : result2;
+            return arguments.length ? result2(arguments[0], arguments[1]) : result2;
+          }
+          function getMapData2(map3, key) {
+            var data = map3.__data__;
+            return isKeyable2(key) ? data[typeof key == "string" ? "string" : "hash"] : data.map;
+          }
+          function getMatchData(object) {
+            var result2 = keys2(object), length = result2.length;
+            while (length--) {
+              var key = result2[length], value = object[key];
+              result2[length] = [key, value, isStrictComparable(value)];
+            }
+            return result2;
+          }
+          function getNative2(object, key) {
+            var value = getValue2(object, key);
+            return baseIsNative2(value) ? value : undefined2;
+          }
+          function getRawTag2(value) {
+            var isOwn = hasOwnProperty10.call(value, symToStringTag3), tag = value[symToStringTag3];
+            try {
+              value[symToStringTag3] = undefined2;
+              var unmasked = true;
+            } catch (e) {
+            }
+            var result2 = nativeObjectToString3.call(value);
+            if (unmasked) {
+              if (isOwn) {
+                value[symToStringTag3] = tag;
+              } else {
+                delete value[symToStringTag3];
+              }
+            }
+            return result2;
+          }
+          var getSymbols2 = !nativeGetSymbols2 ? stubArray2 : function(object) {
+            if (object == null) {
+              return [];
+            }
+            object = Object2(object);
+            return arrayFilter2(nativeGetSymbols2(object), function(symbol) {
+              return propertyIsEnumerable3.call(object, symbol);
+            });
+          };
+          var getSymbolsIn = !nativeGetSymbols2 ? stubArray2 : function(object) {
+            var result2 = [];
+            while (object) {
+              arrayPush2(result2, getSymbols2(object));
+              object = getPrototype(object);
+            }
+            return result2;
+          };
+          var getTag2 = baseGetTag2;
+          if (DataView3 && getTag2(new DataView3(new ArrayBuffer(1))) != dataViewTag4 || Map3 && getTag2(new Map3()) != mapTag4 || Promise3 && getTag2(Promise3.resolve()) != promiseTag2 || Set3 && getTag2(new Set3()) != setTag4 || WeakMap2 && getTag2(new WeakMap2()) != weakMapTag3) {
+            getTag2 = function(value) {
+              var result2 = baseGetTag2(value), Ctor = result2 == objectTag4 ? value.constructor : undefined2, ctorString = Ctor ? toSource2(Ctor) : "";
+              if (ctorString) {
+                switch (ctorString) {
+                  case dataViewCtorString2:
+                    return dataViewTag4;
+                  case mapCtorString2:
+                    return mapTag4;
+                  case promiseCtorString2:
+                    return promiseTag2;
+                  case setCtorString2:
+                    return setTag4;
+                  case weakMapCtorString2:
+                    return weakMapTag3;
+                }
+              }
+              return result2;
+            };
+          }
+          function getView(start2, end, transforms) {
+            var index = -1, length = transforms.length;
+            while (++index < length) {
+              var data = transforms[index], size2 = data.size;
+              switch (data.type) {
+                case "drop":
+                  start2 += size2;
+                  break;
+                case "dropRight":
+                  end -= size2;
+                  break;
+                case "take":
+                  end = nativeMin2(end, start2 + size2);
+                  break;
+                case "takeRight":
+                  start2 = nativeMax2(start2, end - size2);
+                  break;
+              }
+            }
+            return { "start": start2, "end": end };
+          }
+          function getWrapDetails(source) {
+            var match = source.match(reWrapDetails);
+            return match ? match[1].split(reSplitDetails) : [];
+          }
+          function hasPath(object, path, hasFunc) {
+            path = castPath(path, object);
+            var index = -1, length = path.length, result2 = false;
+            while (++index < length) {
+              var key = toKey(path[index]);
+              if (!(result2 = object != null && hasFunc(object, key))) {
+                break;
+              }
+              object = object[key];
+            }
+            if (result2 || ++index != length) {
+              return result2;
+            }
+            length = object == null ? 0 : object.length;
+            return !!length && isLength2(length) && isIndex2(key, length) && (isArray2(object) || isArguments2(object));
+          }
+          function initCloneArray(array2) {
+            var length = array2.length, result2 = new array2.constructor(length);
+            if (length && typeof array2[0] == "string" && hasOwnProperty10.call(array2, "index")) {
+              result2.index = array2.index;
+              result2.input = array2.input;
+            }
+            return result2;
+          }
+          function initCloneObject(object) {
+            return typeof object.constructor == "function" && !isPrototype2(object) ? baseCreate(getPrototype(object)) : {};
+          }
+          function initCloneByTag(object, tag, isDeep) {
+            var Ctor = object.constructor;
+            switch (tag) {
+              case arrayBufferTag3:
+                return cloneArrayBuffer(object);
+              case boolTag3:
+              case dateTag3:
+                return new Ctor(+object);
+              case dataViewTag4:
+                return cloneDataView(object, isDeep);
+              case float32Tag2:
+              case float64Tag2:
+              case int8Tag2:
+              case int16Tag2:
+              case int32Tag2:
+              case uint8Tag2:
+              case uint8ClampedTag2:
+              case uint16Tag2:
+              case uint32Tag2:
+                return cloneTypedArray(object, isDeep);
+              case mapTag4:
+                return new Ctor();
+              case numberTag3:
+              case stringTag3:
+                return new Ctor(object);
+              case regexpTag3:
+                return cloneRegExp(object);
+              case setTag4:
+                return new Ctor();
+              case symbolTag3:
+                return cloneSymbol(object);
+            }
+          }
+          function insertWrapDetails(source, details) {
+            var length = details.length;
+            if (!length) {
+              return source;
+            }
+            var lastIndex = length - 1;
+            details[lastIndex] = (length > 1 ? "& " : "") + details[lastIndex];
+            details = details.join(length > 2 ? ", " : " ");
+            return source.replace(reWrapComment, "{\n/* [wrapped with " + details + "] */\n");
+          }
+          function isFlattenable(value) {
+            return isArray2(value) || isArguments2(value) || !!(spreadableSymbol && value && value[spreadableSymbol]);
+          }
+          function isIndex2(value, length) {
+            var type2 = typeof value;
+            length = length == null ? MAX_SAFE_INTEGER3 : length;
+            return !!length && (type2 == "number" || type2 != "symbol" && reIsUint2.test(value)) && (value > -1 && value % 1 == 0 && value < length);
+          }
+          function isIterateeCall(value, index, object) {
+            if (!isObject3(object)) {
+              return false;
+            }
+            var type2 = typeof index;
+            if (type2 == "number" ? isArrayLike2(object) && isIndex2(index, object.length) : type2 == "string" && index in object) {
+              return eq2(object[index], value);
+            }
+            return false;
+          }
+          function isKey(value, object) {
+            if (isArray2(value)) {
+              return false;
+            }
+            var type2 = typeof value;
+            if (type2 == "number" || type2 == "symbol" || type2 == "boolean" || value == null || isSymbol2(value)) {
+              return true;
+            }
+            return reIsPlainProp.test(value) || !reIsDeepProp.test(value) || object != null && value in Object2(object);
+          }
+          function isKeyable2(value) {
+            var type2 = typeof value;
+            return type2 == "string" || type2 == "number" || type2 == "symbol" || type2 == "boolean" ? value !== "__proto__" : value === null;
+          }
+          function isLaziable(func) {
+            var funcName = getFuncName(func), other = lodash[funcName];
+            if (typeof other != "function" || !(funcName in LazyWrapper.prototype)) {
+              return false;
+            }
+            if (func === other) {
+              return true;
+            }
+            var data = getData(other);
+            return !!data && func === data[0];
+          }
+          function isMasked2(func) {
+            return !!maskSrcKey2 && maskSrcKey2 in func;
+          }
+          var isMaskable = coreJsData2 ? isFunction2 : stubFalse2;
+          function isPrototype2(value) {
+            var Ctor = value && value.constructor, proto = typeof Ctor == "function" && Ctor.prototype || objectProto13;
+            return value === proto;
+          }
+          function isStrictComparable(value) {
+            return value === value && !isObject3(value);
+          }
+          function matchesStrictComparable(key, srcValue) {
+            return function(object) {
+              if (object == null) {
+                return false;
+              }
+              return object[key] === srcValue && (srcValue !== undefined2 || key in Object2(object));
+            };
+          }
+          function memoizeCapped(func) {
+            var result2 = memoize(func, function(key) {
+              if (cache.size === MAX_MEMOIZE_SIZE) {
+                cache.clear();
+              }
+              return key;
+            });
+            var cache = result2.cache;
+            return result2;
+          }
+          function mergeData(data, source) {
+            var bitmask = data[1], srcBitmask = source[1], newBitmask = bitmask | srcBitmask, isCommon = newBitmask < (WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG | WRAP_ARY_FLAG);
+            var isCombo = srcBitmask == WRAP_ARY_FLAG && bitmask == WRAP_CURRY_FLAG || srcBitmask == WRAP_ARY_FLAG && bitmask == WRAP_REARG_FLAG && data[7].length <= source[8] || srcBitmask == (WRAP_ARY_FLAG | WRAP_REARG_FLAG) && source[7].length <= source[8] && bitmask == WRAP_CURRY_FLAG;
+            if (!(isCommon || isCombo)) {
+              return data;
+            }
+            if (srcBitmask & WRAP_BIND_FLAG) {
+              data[2] = source[2];
+              newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
+            }
+            var value = source[3];
+            if (value) {
+              var partials = data[3];
+              data[3] = partials ? composeArgs(partials, value, source[4]) : value;
+              data[4] = partials ? replaceHolders(data[3], PLACEHOLDER) : source[4];
+            }
+            value = source[5];
+            if (value) {
+              partials = data[5];
+              data[5] = partials ? composeArgsRight(partials, value, source[6]) : value;
+              data[6] = partials ? replaceHolders(data[5], PLACEHOLDER) : source[6];
+            }
+            value = source[7];
+            if (value) {
+              data[7] = value;
+            }
+            if (srcBitmask & WRAP_ARY_FLAG) {
+              data[8] = data[8] == null ? source[8] : nativeMin2(data[8], source[8]);
+            }
+            if (data[9] == null) {
+              data[9] = source[9];
+            }
+            data[0] = source[0];
+            data[1] = newBitmask;
+            return data;
+          }
+          function nativeKeysIn(object) {
+            var result2 = [];
+            if (object != null) {
+              for (var key in Object2(object)) {
+                result2.push(key);
+              }
+            }
+            return result2;
+          }
+          function objectToString2(value) {
+            return nativeObjectToString3.call(value);
+          }
+          function overRest(func, start2, transform3) {
+            start2 = nativeMax2(start2 === undefined2 ? func.length - 1 : start2, 0);
+            return function() {
+              var args = arguments, index = -1, length = nativeMax2(args.length - start2, 0), array2 = Array2(length);
+              while (++index < length) {
+                array2[index] = args[start2 + index];
+              }
+              index = -1;
+              var otherArgs = Array2(start2 + 1);
+              while (++index < start2) {
+                otherArgs[index] = args[index];
+              }
+              otherArgs[start2] = transform3(array2);
+              return apply(func, this, otherArgs);
+            };
+          }
+          function parent(object, path) {
+            return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
+          }
+          function reorder(array2, indexes) {
+            var arrLength = array2.length, length = nativeMin2(indexes.length, arrLength), oldArray = copyArray(array2);
+            while (length--) {
+              var index = indexes[length];
+              array2[length] = isIndex2(index, arrLength) ? oldArray[index] : undefined2;
+            }
+            return array2;
+          }
+          function safeGet(object, key) {
+            if (key === "constructor" && typeof object[key] === "function") {
+              return;
+            }
+            if (key == "__proto__") {
+              return;
+            }
+            return object[key];
+          }
+          var setData = shortOut(baseSetData);
+          var setTimeout2 = ctxSetTimeout || function(func, wait) {
+            return root3.setTimeout(func, wait);
+          };
+          var setToString = shortOut(baseSetToString);
+          function setWrapToString(wrapper, reference, bitmask) {
+            var source = reference + "";
+            return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
+          }
+          function shortOut(func) {
+            var count = 0, lastCalled = 0;
+            return function() {
+              var stamp = nativeNow(), remaining = HOT_SPAN - (stamp - lastCalled);
+              lastCalled = stamp;
+              if (remaining > 0) {
+                if (++count >= HOT_COUNT) {
+                  return arguments[0];
+                }
+              } else {
+                count = 0;
+              }
+              return func.apply(undefined2, arguments);
+            };
+          }
+          function shuffleSelf(array2, size2) {
+            var index = -1, length = array2.length, lastIndex = length - 1;
+            size2 = size2 === undefined2 ? length : size2;
+            while (++index < size2) {
+              var rand = baseRandom(index, lastIndex), value = array2[rand];
+              array2[rand] = array2[index];
+              array2[index] = value;
+            }
+            array2.length = size2;
+            return array2;
+          }
+          var stringToPath = memoizeCapped(function(string) {
+            var result2 = [];
+            if (string.charCodeAt(0) === 46) {
+              result2.push("");
+            }
+            string.replace(rePropName, function(match, number3, quote2, subString) {
+              result2.push(quote2 ? subString.replace(reEscapeChar, "$1") : number3 || match);
+            });
+            return result2;
+          });
+          function toKey(value) {
+            if (typeof value == "string" || isSymbol2(value)) {
+              return value;
+            }
+            var result2 = value + "";
+            return result2 == "0" && 1 / value == -INFINITY2 ? "-0" : result2;
+          }
+          function toSource2(func) {
+            if (func != null) {
+              try {
+                return funcToString3.call(func);
+              } catch (e) {
+              }
+              try {
+                return func + "";
+              } catch (e) {
+              }
+            }
+            return "";
+          }
+          function updateWrapDetails(details, bitmask) {
+            arrayEach(wrapFlags, function(pair2) {
+              var value = "_." + pair2[0];
+              if (bitmask & pair2[1] && !arrayIncludes(details, value)) {
+                details.push(value);
+              }
+            });
+            return details.sort();
+          }
+          function wrapperClone(wrapper) {
+            if (wrapper instanceof LazyWrapper) {
+              return wrapper.clone();
+            }
+            var result2 = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
+            result2.__actions__ = copyArray(wrapper.__actions__);
+            result2.__index__ = wrapper.__index__;
+            result2.__values__ = wrapper.__values__;
+            return result2;
+          }
+          function chunk(array2, size2, guard) {
+            if (guard ? isIterateeCall(array2, size2, guard) : size2 === undefined2) {
+              size2 = 1;
+            } else {
+              size2 = nativeMax2(toInteger(size2), 0);
+            }
+            var length = array2 == null ? 0 : array2.length;
+            if (!length || size2 < 1) {
+              return [];
+            }
+            var index = 0, resIndex = 0, result2 = Array2(nativeCeil(length / size2));
+            while (index < length) {
+              result2[resIndex++] = baseSlice(array2, index, index += size2);
+            }
+            return result2;
+          }
+          function compact(array2) {
+            var index = -1, length = array2 == null ? 0 : array2.length, resIndex = 0, result2 = [];
+            while (++index < length) {
+              var value = array2[index];
+              if (value) {
+                result2[resIndex++] = value;
+              }
+            }
+            return result2;
+          }
+          function concat() {
+            var length = arguments.length;
+            if (!length) {
+              return [];
+            }
+            var args = Array2(length - 1), array2 = arguments[0], index = length;
+            while (index--) {
+              args[index - 1] = arguments[index];
+            }
+            return arrayPush2(isArray2(array2) ? copyArray(array2) : [array2], baseFlatten(args, 1));
+          }
+          var difference = baseRest(function(array2, values2) {
+            return isArrayLikeObject(array2) ? baseDifference(array2, baseFlatten(values2, 1, isArrayLikeObject, true)) : [];
+          });
+          var differenceBy = baseRest(function(array2, values2) {
+            var iteratee2 = last(values2);
+            if (isArrayLikeObject(iteratee2)) {
+              iteratee2 = undefined2;
+            }
+            return isArrayLikeObject(array2) ? baseDifference(array2, baseFlatten(values2, 1, isArrayLikeObject, true), getIteratee(iteratee2, 2)) : [];
+          });
+          var differenceWith = baseRest(function(array2, values2) {
+            var comparator = last(values2);
+            if (isArrayLikeObject(comparator)) {
+              comparator = undefined2;
+            }
+            return isArrayLikeObject(array2) ? baseDifference(array2, baseFlatten(values2, 1, isArrayLikeObject, true), undefined2, comparator) : [];
+          });
+          function drop(array2, n2, guard) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return [];
+            }
+            n2 = guard || n2 === undefined2 ? 1 : toInteger(n2);
+            return baseSlice(array2, n2 < 0 ? 0 : n2, length);
+          }
+          function dropRight(array2, n2, guard) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return [];
+            }
+            n2 = guard || n2 === undefined2 ? 1 : toInteger(n2);
+            n2 = length - n2;
+            return baseSlice(array2, 0, n2 < 0 ? 0 : n2);
+          }
+          function dropRightWhile(array2, predicate) {
+            return array2 && array2.length ? baseWhile(array2, getIteratee(predicate, 3), true, true) : [];
+          }
+          function dropWhile(array2, predicate) {
+            return array2 && array2.length ? baseWhile(array2, getIteratee(predicate, 3), true) : [];
+          }
+          function fill(array2, value, start2, end) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return [];
+            }
+            if (start2 && typeof start2 != "number" && isIterateeCall(array2, value, start2)) {
+              start2 = 0;
+              end = length;
+            }
+            return baseFill(array2, value, start2, end);
+          }
+          function findIndex(array2, predicate, fromIndex) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return -1;
+            }
+            var index = fromIndex == null ? 0 : toInteger(fromIndex);
+            if (index < 0) {
+              index = nativeMax2(length + index, 0);
+            }
+            return baseFindIndex(array2, getIteratee(predicate, 3), index);
+          }
+          function findLastIndex(array2, predicate, fromIndex) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return -1;
+            }
+            var index = length - 1;
+            if (fromIndex !== undefined2) {
+              index = toInteger(fromIndex);
+              index = fromIndex < 0 ? nativeMax2(length + index, 0) : nativeMin2(index, length - 1);
+            }
+            return baseFindIndex(array2, getIteratee(predicate, 3), index, true);
+          }
+          function flatten2(array2) {
+            var length = array2 == null ? 0 : array2.length;
+            return length ? baseFlatten(array2, 1) : [];
+          }
+          function flattenDeep(array2) {
+            var length = array2 == null ? 0 : array2.length;
+            return length ? baseFlatten(array2, INFINITY2) : [];
+          }
+          function flattenDepth(array2, depth) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return [];
+            }
+            depth = depth === undefined2 ? 1 : toInteger(depth);
+            return baseFlatten(array2, depth);
+          }
+          function fromPairs(pairs) {
+            var index = -1, length = pairs == null ? 0 : pairs.length, result2 = {};
+            while (++index < length) {
+              var pair2 = pairs[index];
+              result2[pair2[0]] = pair2[1];
+            }
+            return result2;
+          }
+          function head(array2) {
+            return array2 && array2.length ? array2[0] : undefined2;
+          }
+          function indexOf(array2, value, fromIndex) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return -1;
+            }
+            var index = fromIndex == null ? 0 : toInteger(fromIndex);
+            if (index < 0) {
+              index = nativeMax2(length + index, 0);
+            }
+            return baseIndexOf(array2, value, index);
+          }
+          function initial(array2) {
+            var length = array2 == null ? 0 : array2.length;
+            return length ? baseSlice(array2, 0, -1) : [];
+          }
+          var intersection = baseRest(function(arrays) {
+            var mapped = arrayMap2(arrays, castArrayLikeObject);
+            return mapped.length && mapped[0] === arrays[0] ? baseIntersection(mapped) : [];
+          });
+          var intersectionBy = baseRest(function(arrays) {
+            var iteratee2 = last(arrays), mapped = arrayMap2(arrays, castArrayLikeObject);
+            if (iteratee2 === last(mapped)) {
+              iteratee2 = undefined2;
+            } else {
+              mapped.pop();
+            }
+            return mapped.length && mapped[0] === arrays[0] ? baseIntersection(mapped, getIteratee(iteratee2, 2)) : [];
+          });
+          var intersectionWith = baseRest(function(arrays) {
+            var comparator = last(arrays), mapped = arrayMap2(arrays, castArrayLikeObject);
+            comparator = typeof comparator == "function" ? comparator : undefined2;
+            if (comparator) {
+              mapped.pop();
+            }
+            return mapped.length && mapped[0] === arrays[0] ? baseIntersection(mapped, undefined2, comparator) : [];
+          });
+          function join(array2, separator) {
+            return array2 == null ? "" : nativeJoin.call(array2, separator);
+          }
+          function last(array2) {
+            var length = array2 == null ? 0 : array2.length;
+            return length ? array2[length - 1] : undefined2;
+          }
+          function lastIndexOf(array2, value, fromIndex) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return -1;
+            }
+            var index = length;
+            if (fromIndex !== undefined2) {
+              index = toInteger(fromIndex);
+              index = index < 0 ? nativeMax2(length + index, 0) : nativeMin2(index, length - 1);
+            }
+            return value === value ? strictLastIndexOf(array2, value, index) : baseFindIndex(array2, baseIsNaN, index, true);
+          }
+          function nth(array2, n2) {
+            return array2 && array2.length ? baseNth(array2, toInteger(n2)) : undefined2;
+          }
+          var pull = baseRest(pullAll);
+          function pullAll(array2, values2) {
+            return array2 && array2.length && values2 && values2.length ? basePullAll(array2, values2) : array2;
+          }
+          function pullAllBy(array2, values2, iteratee2) {
+            return array2 && array2.length && values2 && values2.length ? basePullAll(array2, values2, getIteratee(iteratee2, 2)) : array2;
+          }
+          function pullAllWith(array2, values2, comparator) {
+            return array2 && array2.length && values2 && values2.length ? basePullAll(array2, values2, undefined2, comparator) : array2;
+          }
+          var pullAt = flatRest(function(array2, indexes) {
+            var length = array2 == null ? 0 : array2.length, result2 = baseAt(array2, indexes);
+            basePullAt(array2, arrayMap2(indexes, function(index) {
+              return isIndex2(index, length) ? +index : index;
+            }).sort(compareAscending));
+            return result2;
+          });
+          function remove2(array2, predicate) {
+            var result2 = [];
+            if (!(array2 && array2.length)) {
+              return result2;
+            }
+            var index = -1, indexes = [], length = array2.length;
+            predicate = getIteratee(predicate, 3);
+            while (++index < length) {
+              var value = array2[index];
+              if (predicate(value, index, array2)) {
+                result2.push(value);
+                indexes.push(index);
+              }
+            }
+            basePullAt(array2, indexes);
+            return result2;
+          }
+          function reverse(array2) {
+            return array2 == null ? array2 : nativeReverse.call(array2);
+          }
+          function slice(array2, start2, end) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return [];
+            }
+            if (end && typeof end != "number" && isIterateeCall(array2, start2, end)) {
+              start2 = 0;
+              end = length;
+            } else {
+              start2 = start2 == null ? 0 : toInteger(start2);
+              end = end === undefined2 ? length : toInteger(end);
+            }
+            return baseSlice(array2, start2, end);
+          }
+          function sortedIndex(array2, value) {
+            return baseSortedIndex(array2, value);
+          }
+          function sortedIndexBy(array2, value, iteratee2) {
+            return baseSortedIndexBy(array2, value, getIteratee(iteratee2, 2));
+          }
+          function sortedIndexOf(array2, value) {
+            var length = array2 == null ? 0 : array2.length;
+            if (length) {
+              var index = baseSortedIndex(array2, value);
+              if (index < length && eq2(array2[index], value)) {
+                return index;
+              }
+            }
+            return -1;
+          }
+          function sortedLastIndex(array2, value) {
+            return baseSortedIndex(array2, value, true);
+          }
+          function sortedLastIndexBy(array2, value, iteratee2) {
+            return baseSortedIndexBy(array2, value, getIteratee(iteratee2, 2), true);
+          }
+          function sortedLastIndexOf(array2, value) {
+            var length = array2 == null ? 0 : array2.length;
+            if (length) {
+              var index = baseSortedIndex(array2, value, true) - 1;
+              if (eq2(array2[index], value)) {
+                return index;
+              }
+            }
+            return -1;
+          }
+          function sortedUniq(array2) {
+            return array2 && array2.length ? baseSortedUniq(array2) : [];
+          }
+          function sortedUniqBy(array2, iteratee2) {
+            return array2 && array2.length ? baseSortedUniq(array2, getIteratee(iteratee2, 2)) : [];
+          }
+          function tail(array2) {
+            var length = array2 == null ? 0 : array2.length;
+            return length ? baseSlice(array2, 1, length) : [];
+          }
+          function take(array2, n2, guard) {
+            if (!(array2 && array2.length)) {
+              return [];
+            }
+            n2 = guard || n2 === undefined2 ? 1 : toInteger(n2);
+            return baseSlice(array2, 0, n2 < 0 ? 0 : n2);
+          }
+          function takeRight(array2, n2, guard) {
+            var length = array2 == null ? 0 : array2.length;
+            if (!length) {
+              return [];
+            }
+            n2 = guard || n2 === undefined2 ? 1 : toInteger(n2);
+            n2 = length - n2;
+            return baseSlice(array2, n2 < 0 ? 0 : n2, length);
+          }
+          function takeRightWhile(array2, predicate) {
+            return array2 && array2.length ? baseWhile(array2, getIteratee(predicate, 3), false, true) : [];
+          }
+          function takeWhile(array2, predicate) {
+            return array2 && array2.length ? baseWhile(array2, getIteratee(predicate, 3)) : [];
+          }
+          var union = baseRest(function(arrays) {
+            return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
+          });
+          var unionBy = baseRest(function(arrays) {
+            var iteratee2 = last(arrays);
+            if (isArrayLikeObject(iteratee2)) {
+              iteratee2 = undefined2;
+            }
+            return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee2, 2));
+          });
+          var unionWith = baseRest(function(arrays) {
+            var comparator = last(arrays);
+            comparator = typeof comparator == "function" ? comparator : undefined2;
+            return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined2, comparator);
+          });
+          function uniq(array2) {
+            return array2 && array2.length ? baseUniq(array2) : [];
+          }
+          function uniqBy(array2, iteratee2) {
+            return array2 && array2.length ? baseUniq(array2, getIteratee(iteratee2, 2)) : [];
+          }
+          function uniqWith(array2, comparator) {
+            comparator = typeof comparator == "function" ? comparator : undefined2;
+            return array2 && array2.length ? baseUniq(array2, undefined2, comparator) : [];
+          }
+          function unzip(array2) {
+            if (!(array2 && array2.length)) {
+              return [];
+            }
+            var length = 0;
+            array2 = arrayFilter2(array2, function(group) {
+              if (isArrayLikeObject(group)) {
+                length = nativeMax2(group.length, length);
+                return true;
+              }
+            });
+            return baseTimes2(length, function(index) {
+              return arrayMap2(array2, baseProperty(index));
+            });
+          }
+          function unzipWith(array2, iteratee2) {
+            if (!(array2 && array2.length)) {
+              return [];
+            }
+            var result2 = unzip(array2);
+            if (iteratee2 == null) {
+              return result2;
+            }
+            return arrayMap2(result2, function(group) {
+              return apply(iteratee2, undefined2, group);
+            });
+          }
+          var without = baseRest(function(array2, values2) {
+            return isArrayLikeObject(array2) ? baseDifference(array2, values2) : [];
+          });
+          var xor = baseRest(function(arrays) {
+            return baseXor(arrayFilter2(arrays, isArrayLikeObject));
+          });
+          var xorBy = baseRest(function(arrays) {
+            var iteratee2 = last(arrays);
+            if (isArrayLikeObject(iteratee2)) {
+              iteratee2 = undefined2;
+            }
+            return baseXor(arrayFilter2(arrays, isArrayLikeObject), getIteratee(iteratee2, 2));
+          });
+          var xorWith = baseRest(function(arrays) {
+            var comparator = last(arrays);
+            comparator = typeof comparator == "function" ? comparator : undefined2;
+            return baseXor(arrayFilter2(arrays, isArrayLikeObject), undefined2, comparator);
+          });
+          var zip = baseRest(unzip);
+          function zipObject(props, values2) {
+            return baseZipObject(props || [], values2 || [], assignValue);
+          }
+          function zipObjectDeep(props, values2) {
+            return baseZipObject(props || [], values2 || [], baseSet);
+          }
+          var zipWith = baseRest(function(arrays) {
+            var length = arrays.length, iteratee2 = length > 1 ? arrays[length - 1] : undefined2;
+            iteratee2 = typeof iteratee2 == "function" ? (arrays.pop(), iteratee2) : undefined2;
+            return unzipWith(arrays, iteratee2);
+          });
+          function chain(value) {
+            var result2 = lodash(value);
+            result2.__chain__ = true;
+            return result2;
+          }
+          function tap(value, interceptor) {
+            interceptor(value);
+            return value;
+          }
+          function thru(value, interceptor) {
+            return interceptor(value);
+          }
+          var wrapperAt = flatRest(function(paths) {
+            var length = paths.length, start2 = length ? paths[0] : 0, value = this.__wrapped__, interceptor = function(object) {
+              return baseAt(object, paths);
+            };
+            if (length > 1 || this.__actions__.length || !(value instanceof LazyWrapper) || !isIndex2(start2)) {
+              return this.thru(interceptor);
+            }
+            value = value.slice(start2, +start2 + (length ? 1 : 0));
+            value.__actions__.push({
+              "func": thru,
+              "args": [interceptor],
+              "thisArg": undefined2
+            });
+            return new LodashWrapper(value, this.__chain__).thru(function(array2) {
+              if (length && !array2.length) {
+                array2.push(undefined2);
+              }
+              return array2;
+            });
+          });
+          function wrapperChain() {
+            return chain(this);
+          }
+          function wrapperCommit() {
+            return new LodashWrapper(this.value(), this.__chain__);
+          }
+          function wrapperNext() {
+            if (this.__values__ === undefined2) {
+              this.__values__ = toArray(this.value());
+            }
+            var done = this.__index__ >= this.__values__.length, value = done ? undefined2 : this.__values__[this.__index__++];
+            return { "done": done, "value": value };
+          }
+          function wrapperToIterator() {
+            return this;
+          }
+          function wrapperPlant(value) {
+            var result2, parent2 = this;
+            while (parent2 instanceof baseLodash) {
+              var clone2 = wrapperClone(parent2);
+              clone2.__index__ = 0;
+              clone2.__values__ = undefined2;
+              if (result2) {
+                previous.__wrapped__ = clone2;
+              } else {
+                result2 = clone2;
+              }
+              var previous = clone2;
+              parent2 = parent2.__wrapped__;
+            }
+            previous.__wrapped__ = value;
+            return result2;
+          }
+          function wrapperReverse() {
+            var value = this.__wrapped__;
+            if (value instanceof LazyWrapper) {
+              var wrapped = value;
+              if (this.__actions__.length) {
+                wrapped = new LazyWrapper(this);
+              }
+              wrapped = wrapped.reverse();
+              wrapped.__actions__.push({
+                "func": thru,
+                "args": [reverse],
+                "thisArg": undefined2
+              });
+              return new LodashWrapper(wrapped, this.__chain__);
+            }
+            return this.thru(reverse);
+          }
+          function wrapperValue() {
+            return baseWrapperValue(this.__wrapped__, this.__actions__);
+          }
+          var countBy = createAggregator(function(result2, value, key) {
+            if (hasOwnProperty10.call(result2, key)) {
+              ++result2[key];
+            } else {
+              baseAssignValue(result2, key, 1);
+            }
+          });
+          function every(collection, predicate, guard) {
+            var func = isArray2(collection) ? arrayEvery : baseEvery;
+            if (guard && isIterateeCall(collection, predicate, guard)) {
+              predicate = undefined2;
+            }
+            return func(collection, getIteratee(predicate, 3));
+          }
+          function filter2(collection, predicate) {
+            var func = isArray2(collection) ? arrayFilter2 : baseFilter;
+            return func(collection, getIteratee(predicate, 3));
+          }
+          var find2 = createFind(findIndex);
+          var findLast = createFind(findLastIndex);
+          function flatMap(collection, iteratee2) {
+            return baseFlatten(map2(collection, iteratee2), 1);
+          }
+          function flatMapDeep(collection, iteratee2) {
+            return baseFlatten(map2(collection, iteratee2), INFINITY2);
+          }
+          function flatMapDepth(collection, iteratee2, depth) {
+            depth = depth === undefined2 ? 1 : toInteger(depth);
+            return baseFlatten(map2(collection, iteratee2), depth);
+          }
+          function forEach(collection, iteratee2) {
+            var func = isArray2(collection) ? arrayEach : baseEach;
+            return func(collection, getIteratee(iteratee2, 3));
+          }
+          function forEachRight(collection, iteratee2) {
+            var func = isArray2(collection) ? arrayEachRight : baseEachRight;
+            return func(collection, getIteratee(iteratee2, 3));
+          }
+          var groupBy = createAggregator(function(result2, value, key) {
+            if (hasOwnProperty10.call(result2, key)) {
+              result2[key].push(value);
+            } else {
+              baseAssignValue(result2, key, [value]);
+            }
+          });
+          function includes(collection, value, fromIndex, guard) {
+            collection = isArrayLike2(collection) ? collection : values(collection);
+            fromIndex = fromIndex && !guard ? toInteger(fromIndex) : 0;
+            var length = collection.length;
+            if (fromIndex < 0) {
+              fromIndex = nativeMax2(length + fromIndex, 0);
+            }
+            return isString(collection) ? fromIndex <= length && collection.indexOf(value, fromIndex) > -1 : !!length && baseIndexOf(collection, value, fromIndex) > -1;
+          }
+          var invokeMap = baseRest(function(collection, path, args) {
+            var index = -1, isFunc = typeof path == "function", result2 = isArrayLike2(collection) ? Array2(collection.length) : [];
+            baseEach(collection, function(value) {
+              result2[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
+            });
+            return result2;
+          });
+          var keyBy = createAggregator(function(result2, value, key) {
+            baseAssignValue(result2, key, value);
+          });
+          function map2(collection, iteratee2) {
+            var func = isArray2(collection) ? arrayMap2 : baseMap;
+            return func(collection, getIteratee(iteratee2, 3));
+          }
+          function orderBy(collection, iteratees, orders, guard) {
+            if (collection == null) {
+              return [];
+            }
+            if (!isArray2(iteratees)) {
+              iteratees = iteratees == null ? [] : [iteratees];
+            }
+            orders = guard ? undefined2 : orders;
+            if (!isArray2(orders)) {
+              orders = orders == null ? [] : [orders];
+            }
+            return baseOrderBy(collection, iteratees, orders);
+          }
+          var partition = createAggregator(function(result2, value, key) {
+            result2[key ? 0 : 1].push(value);
+          }, function() {
+            return [[], []];
+          });
+          function reduce(collection, iteratee2, accumulator) {
+            var func = isArray2(collection) ? arrayReduce : baseReduce, initAccum = arguments.length < 3;
+            return func(collection, getIteratee(iteratee2, 4), accumulator, initAccum, baseEach);
+          }
+          function reduceRight(collection, iteratee2, accumulator) {
+            var func = isArray2(collection) ? arrayReduceRight : baseReduce, initAccum = arguments.length < 3;
+            return func(collection, getIteratee(iteratee2, 4), accumulator, initAccum, baseEachRight);
+          }
+          function reject(collection, predicate) {
+            var func = isArray2(collection) ? arrayFilter2 : baseFilter;
+            return func(collection, negate(getIteratee(predicate, 3)));
+          }
+          function sample(collection) {
+            var func = isArray2(collection) ? arraySample : baseSample;
+            return func(collection);
+          }
+          function sampleSize(collection, n2, guard) {
+            if (guard ? isIterateeCall(collection, n2, guard) : n2 === undefined2) {
+              n2 = 1;
+            } else {
+              n2 = toInteger(n2);
+            }
+            var func = isArray2(collection) ? arraySampleSize : baseSampleSize;
+            return func(collection, n2);
+          }
+          function shuffle(collection) {
+            var func = isArray2(collection) ? arrayShuffle : baseShuffle;
+            return func(collection);
+          }
+          function size(collection) {
+            if (collection == null) {
+              return 0;
+            }
+            if (isArrayLike2(collection)) {
+              return isString(collection) ? stringSize(collection) : collection.length;
+            }
+            var tag = getTag2(collection);
+            if (tag == mapTag4 || tag == setTag4) {
+              return collection.size;
+            }
+            return baseKeys2(collection).length;
+          }
+          function some(collection, predicate, guard) {
+            var func = isArray2(collection) ? arraySome2 : baseSome;
+            if (guard && isIterateeCall(collection, predicate, guard)) {
+              predicate = undefined2;
+            }
+            return func(collection, getIteratee(predicate, 3));
+          }
+          var sortBy = baseRest(function(collection, iteratees) {
+            if (collection == null) {
+              return [];
+            }
+            var length = iteratees.length;
+            if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
+              iteratees = [];
+            } else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
+              iteratees = [iteratees[0]];
+            }
+            return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
+          });
+          var now3 = ctxNow || function() {
+            return root3.Date.now();
+          };
+          function after(n2, func) {
+            if (typeof func != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            n2 = toInteger(n2);
+            return function() {
+              if (--n2 < 1) {
+                return func.apply(this, arguments);
+              }
+            };
+          }
+          function ary(func, n2, guard) {
+            n2 = guard ? undefined2 : n2;
+            n2 = func && n2 == null ? func.length : n2;
+            return createWrap(func, WRAP_ARY_FLAG, undefined2, undefined2, undefined2, undefined2, n2);
+          }
+          function before(n2, func) {
+            var result2;
+            if (typeof func != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            n2 = toInteger(n2);
+            return function() {
+              if (--n2 > 0) {
+                result2 = func.apply(this, arguments);
+              }
+              if (n2 <= 1) {
+                func = undefined2;
+              }
+              return result2;
+            };
+          }
+          var bind = baseRest(function(func, thisArg, partials) {
+            var bitmask = WRAP_BIND_FLAG;
+            if (partials.length) {
+              var holders = replaceHolders(partials, getHolder(bind));
+              bitmask |= WRAP_PARTIAL_FLAG;
+            }
+            return createWrap(func, bitmask, thisArg, partials, holders);
+          });
+          var bindKey2 = baseRest(function(object, key, partials) {
+            var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
+            if (partials.length) {
+              var holders = replaceHolders(partials, getHolder(bindKey2));
+              bitmask |= WRAP_PARTIAL_FLAG;
+            }
+            return createWrap(key, bitmask, object, partials, holders);
+          });
+          function curry(func, arity, guard) {
+            arity = guard ? undefined2 : arity;
+            var result2 = createWrap(func, WRAP_CURRY_FLAG, undefined2, undefined2, undefined2, undefined2, undefined2, arity);
+            result2.placeholder = curry.placeholder;
+            return result2;
+          }
+          function curryRight(func, arity, guard) {
+            arity = guard ? undefined2 : arity;
+            var result2 = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined2, undefined2, undefined2, undefined2, undefined2, arity);
+            result2.placeholder = curryRight.placeholder;
+            return result2;
+          }
+          function debounce2(func, wait, options2) {
+            var lastArgs, lastThis, maxWait, result2, timerId, lastCallTime, lastInvokeTime = 0, leading = false, maxing = false, trailing = true;
+            if (typeof func != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            wait = toNumber3(wait) || 0;
+            if (isObject3(options2)) {
+              leading = !!options2.leading;
+              maxing = "maxWait" in options2;
+              maxWait = maxing ? nativeMax2(toNumber3(options2.maxWait) || 0, wait) : maxWait;
+              trailing = "trailing" in options2 ? !!options2.trailing : trailing;
+            }
+            function invokeFunc(time) {
+              var args = lastArgs, thisArg = lastThis;
+              lastArgs = lastThis = undefined2;
+              lastInvokeTime = time;
+              result2 = func.apply(thisArg, args);
+              return result2;
+            }
+            function leadingEdge(time) {
+              lastInvokeTime = time;
+              timerId = setTimeout2(timerExpired, wait);
+              return leading ? invokeFunc(time) : result2;
+            }
+            function remainingWait(time) {
+              var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime, timeWaiting = wait - timeSinceLastCall;
+              return maxing ? nativeMin2(timeWaiting, maxWait - timeSinceLastInvoke) : timeWaiting;
+            }
+            function shouldInvoke(time) {
+              var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime;
+              return lastCallTime === undefined2 || timeSinceLastCall >= wait || timeSinceLastCall < 0 || maxing && timeSinceLastInvoke >= maxWait;
+            }
+            function timerExpired() {
+              var time = now3();
+              if (shouldInvoke(time)) {
+                return trailingEdge(time);
+              }
+              timerId = setTimeout2(timerExpired, remainingWait(time));
+            }
+            function trailingEdge(time) {
+              timerId = undefined2;
+              if (trailing && lastArgs) {
+                return invokeFunc(time);
+              }
+              lastArgs = lastThis = undefined2;
+              return result2;
+            }
+            function cancel() {
+              if (timerId !== undefined2) {
+                clearTimeout2(timerId);
+              }
+              lastInvokeTime = 0;
+              lastArgs = lastCallTime = lastThis = timerId = undefined2;
+            }
+            function flush() {
+              return timerId === undefined2 ? result2 : trailingEdge(now3());
+            }
+            function debounced() {
+              var time = now3(), isInvoking = shouldInvoke(time);
+              lastArgs = arguments;
+              lastThis = this;
+              lastCallTime = time;
+              if (isInvoking) {
+                if (timerId === undefined2) {
+                  return leadingEdge(lastCallTime);
+                }
+                if (maxing) {
+                  clearTimeout2(timerId);
+                  timerId = setTimeout2(timerExpired, wait);
+                  return invokeFunc(lastCallTime);
+                }
+              }
+              if (timerId === undefined2) {
+                timerId = setTimeout2(timerExpired, wait);
+              }
+              return result2;
+            }
+            debounced.cancel = cancel;
+            debounced.flush = flush;
+            return debounced;
+          }
+          var defer = baseRest(function(func, args) {
+            return baseDelay(func, 1, args);
+          });
+          var delay = baseRest(function(func, wait, args) {
+            return baseDelay(func, toNumber3(wait) || 0, args);
+          });
+          function flip(func) {
+            return createWrap(func, WRAP_FLIP_FLAG);
+          }
+          function memoize(func, resolver) {
+            if (typeof func != "function" || resolver != null && typeof resolver != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            var memoized = function() {
+              var args = arguments, key = resolver ? resolver.apply(this, args) : args[0], cache = memoized.cache;
+              if (cache.has(key)) {
+                return cache.get(key);
+              }
+              var result2 = func.apply(this, args);
+              memoized.cache = cache.set(key, result2) || cache;
+              return result2;
+            };
+            memoized.cache = new (memoize.Cache || MapCache2)();
+            return memoized;
+          }
+          memoize.Cache = MapCache2;
+          function negate(predicate) {
+            if (typeof predicate != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            return function() {
+              var args = arguments;
+              switch (args.length) {
+                case 0:
+                  return !predicate.call(this);
+                case 1:
+                  return !predicate.call(this, args[0]);
+                case 2:
+                  return !predicate.call(this, args[0], args[1]);
+                case 3:
+                  return !predicate.call(this, args[0], args[1], args[2]);
+              }
+              return !predicate.apply(this, args);
+            };
+          }
+          function once(func) {
+            return before(2, func);
+          }
+          var overArgs = castRest(function(func, transforms) {
+            transforms = transforms.length == 1 && isArray2(transforms[0]) ? arrayMap2(transforms[0], baseUnary2(getIteratee())) : arrayMap2(baseFlatten(transforms, 1), baseUnary2(getIteratee()));
+            var funcsLength = transforms.length;
+            return baseRest(function(args) {
+              var index = -1, length = nativeMin2(args.length, funcsLength);
+              while (++index < length) {
+                args[index] = transforms[index].call(this, args[index]);
+              }
+              return apply(func, this, args);
+            });
+          });
+          var partial = baseRest(function(func, partials) {
+            var holders = replaceHolders(partials, getHolder(partial));
+            return createWrap(func, WRAP_PARTIAL_FLAG, undefined2, partials, holders);
+          });
+          var partialRight = baseRest(function(func, partials) {
+            var holders = replaceHolders(partials, getHolder(partialRight));
+            return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined2, partials, holders);
+          });
+          var rearg = flatRest(function(func, indexes) {
+            return createWrap(func, WRAP_REARG_FLAG, undefined2, undefined2, undefined2, indexes);
+          });
+          function rest(func, start2) {
+            if (typeof func != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            start2 = start2 === undefined2 ? start2 : toInteger(start2);
+            return baseRest(func, start2);
+          }
+          function spread(func, start2) {
+            if (typeof func != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            start2 = start2 == null ? 0 : nativeMax2(toInteger(start2), 0);
+            return baseRest(function(args) {
+              var array2 = args[start2], otherArgs = castSlice(args, 0, start2);
+              if (array2) {
+                arrayPush2(otherArgs, array2);
+              }
+              return apply(func, this, otherArgs);
+            });
+          }
+          function throttle2(func, wait, options2) {
+            var leading = true, trailing = true;
+            if (typeof func != "function") {
+              throw new TypeError2(FUNC_ERROR_TEXT3);
+            }
+            if (isObject3(options2)) {
+              leading = "leading" in options2 ? !!options2.leading : leading;
+              trailing = "trailing" in options2 ? !!options2.trailing : trailing;
+            }
+            return debounce2(func, wait, {
+              "leading": leading,
+              "maxWait": wait,
+              "trailing": trailing
+            });
+          }
+          function unary(func) {
+            return ary(func, 1);
+          }
+          function wrap2(value, wrapper) {
+            return partial(castFunction(wrapper), value);
+          }
+          function castArray() {
+            if (!arguments.length) {
+              return [];
+            }
+            var value = arguments[0];
+            return isArray2(value) ? value : [value];
+          }
+          function clone(value) {
+            return baseClone(value, CLONE_SYMBOLS_FLAG);
+          }
+          function cloneWith(value, customizer) {
+            customizer = typeof customizer == "function" ? customizer : undefined2;
+            return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
+          }
+          function cloneDeep(value) {
+            return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
+          }
+          function cloneDeepWith(value, customizer) {
+            customizer = typeof customizer == "function" ? customizer : undefined2;
+            return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
+          }
+          function conformsTo(object, source) {
+            return source == null || baseConformsTo(object, source, keys2(source));
+          }
+          function eq2(value, other) {
+            return value === other || value !== value && other !== other;
+          }
+          var gt = createRelationalOperation(baseGt);
+          var gte = createRelationalOperation(function(value, other) {
+            return value >= other;
+          });
+          var isArguments2 = baseIsArguments2(function() {
+            return arguments;
+          }()) ? baseIsArguments2 : function(value) {
+            return isObjectLike2(value) && hasOwnProperty10.call(value, "callee") && !propertyIsEnumerable3.call(value, "callee");
+          };
+          var isArray2 = Array2.isArray;
+          var isArrayBuffer = nodeIsArrayBuffer ? baseUnary2(nodeIsArrayBuffer) : baseIsArrayBuffer;
+          function isArrayLike2(value) {
+            return value != null && isLength2(value.length) && !isFunction2(value);
+          }
+          function isArrayLikeObject(value) {
+            return isObjectLike2(value) && isArrayLike2(value);
+          }
+          function isBoolean(value) {
+            return value === true || value === false || isObjectLike2(value) && baseGetTag2(value) == boolTag3;
+          }
+          var isBuffer2 = nativeIsBuffer2 || stubFalse2;
+          var isDate = nodeIsDate ? baseUnary2(nodeIsDate) : baseIsDate;
+          function isElement2(value) {
+            return isObjectLike2(value) && value.nodeType === 1 && !isPlainObject(value);
+          }
+          function isEmpty(value) {
+            if (value == null) {
+              return true;
+            }
+            if (isArrayLike2(value) && (isArray2(value) || typeof value == "string" || typeof value.splice == "function" || isBuffer2(value) || isTypedArray2(value) || isArguments2(value))) {
+              return !value.length;
+            }
+            var tag = getTag2(value);
+            if (tag == mapTag4 || tag == setTag4) {
+              return !value.size;
+            }
+            if (isPrototype2(value)) {
+              return !baseKeys2(value).length;
+            }
+            for (var key in value) {
+              if (hasOwnProperty10.call(value, key)) {
+                return false;
+              }
+            }
+            return true;
+          }
+          function isEqual4(value, other) {
+            return baseIsEqual2(value, other);
+          }
+          function isEqualWith(value, other, customizer) {
+            customizer = typeof customizer == "function" ? customizer : undefined2;
+            var result2 = customizer ? customizer(value, other) : undefined2;
+            return result2 === undefined2 ? baseIsEqual2(value, other, undefined2, customizer) : !!result2;
+          }
+          function isError(value) {
+            if (!isObjectLike2(value)) {
+              return false;
+            }
+            var tag = baseGetTag2(value);
+            return tag == errorTag3 || tag == domExcTag || typeof value.message == "string" && typeof value.name == "string" && !isPlainObject(value);
+          }
+          function isFinite2(value) {
+            return typeof value == "number" && nativeIsFinite(value);
+          }
+          function isFunction2(value) {
+            if (!isObject3(value)) {
+              return false;
+            }
+            var tag = baseGetTag2(value);
+            return tag == funcTag3 || tag == genTag2 || tag == asyncTag2 || tag == proxyTag2;
+          }
+          function isInteger(value) {
+            return typeof value == "number" && value == toInteger(value);
+          }
+          function isLength2(value) {
+            return typeof value == "number" && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER3;
+          }
+          function isObject3(value) {
+            var type2 = typeof value;
+            return value != null && (type2 == "object" || type2 == "function");
+          }
+          function isObjectLike2(value) {
+            return value != null && typeof value == "object";
+          }
+          var isMap = nodeIsMap ? baseUnary2(nodeIsMap) : baseIsMap;
+          function isMatch(object, source) {
+            return object === source || baseIsMatch(object, source, getMatchData(source));
+          }
+          function isMatchWith(object, source, customizer) {
+            customizer = typeof customizer == "function" ? customizer : undefined2;
+            return baseIsMatch(object, source, getMatchData(source), customizer);
+          }
+          function isNaN2(value) {
+            return isNumber2(value) && value != +value;
+          }
+          function isNative(value) {
+            if (isMaskable(value)) {
+              throw new Error2(CORE_ERROR_TEXT);
+            }
+            return baseIsNative2(value);
+          }
+          function isNull(value) {
+            return value === null;
+          }
+          function isNil(value) {
+            return value == null;
+          }
+          function isNumber2(value) {
+            return typeof value == "number" || isObjectLike2(value) && baseGetTag2(value) == numberTag3;
+          }
+          function isPlainObject(value) {
+            if (!isObjectLike2(value) || baseGetTag2(value) != objectTag4) {
+              return false;
+            }
+            var proto = getPrototype(value);
+            if (proto === null) {
+              return true;
+            }
+            var Ctor = hasOwnProperty10.call(proto, "constructor") && proto.constructor;
+            return typeof Ctor == "function" && Ctor instanceof Ctor && funcToString3.call(Ctor) == objectCtorString;
+          }
+          var isRegExp = nodeIsRegExp ? baseUnary2(nodeIsRegExp) : baseIsRegExp;
+          function isSafeInteger(value) {
+            return isInteger(value) && value >= -MAX_SAFE_INTEGER3 && value <= MAX_SAFE_INTEGER3;
+          }
+          var isSet = nodeIsSet ? baseUnary2(nodeIsSet) : baseIsSet;
+          function isString(value) {
+            return typeof value == "string" || !isArray2(value) && isObjectLike2(value) && baseGetTag2(value) == stringTag3;
+          }
+          function isSymbol2(value) {
+            return typeof value == "symbol" || isObjectLike2(value) && baseGetTag2(value) == symbolTag3;
+          }
+          var isTypedArray2 = nodeIsTypedArray2 ? baseUnary2(nodeIsTypedArray2) : baseIsTypedArray2;
+          function isUndefined(value) {
+            return value === undefined2;
+          }
+          function isWeakMap(value) {
+            return isObjectLike2(value) && getTag2(value) == weakMapTag3;
+          }
+          function isWeakSet(value) {
+            return isObjectLike2(value) && baseGetTag2(value) == weakSetTag;
+          }
+          var lt = createRelationalOperation(baseLt);
+          var lte = createRelationalOperation(function(value, other) {
+            return value <= other;
+          });
+          function toArray(value) {
+            if (!value) {
+              return [];
+            }
+            if (isArrayLike2(value)) {
+              return isString(value) ? stringToArray(value) : copyArray(value);
+            }
+            if (symIterator && value[symIterator]) {
+              return iteratorToArray(value[symIterator]());
+            }
+            var tag = getTag2(value), func = tag == mapTag4 ? mapToArray2 : tag == setTag4 ? setToArray2 : values;
+            return func(value);
+          }
+          function toFinite(value) {
+            if (!value) {
+              return value === 0 ? value : 0;
+            }
+            value = toNumber3(value);
+            if (value === INFINITY2 || value === -INFINITY2) {
+              var sign2 = value < 0 ? -1 : 1;
+              return sign2 * MAX_INTEGER;
+            }
+            return value === value ? value : 0;
+          }
+          function toInteger(value) {
+            var result2 = toFinite(value), remainder = result2 % 1;
+            return result2 === result2 ? remainder ? result2 - remainder : result2 : 0;
+          }
+          function toLength(value) {
+            return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
+          }
+          function toNumber3(value) {
+            if (typeof value == "number") {
+              return value;
+            }
+            if (isSymbol2(value)) {
+              return NAN2;
+            }
+            if (isObject3(value)) {
+              var other = typeof value.valueOf == "function" ? value.valueOf() : value;
+              value = isObject3(other) ? other + "" : other;
+            }
+            if (typeof value != "string") {
+              return value === 0 ? value : +value;
+            }
+            value = baseTrim2(value);
+            var isBinary = reIsBinary2.test(value);
+            return isBinary || reIsOctal2.test(value) ? freeParseInt2(value.slice(2), isBinary ? 2 : 8) : reIsBadHex2.test(value) ? NAN2 : +value;
+          }
+          function toPlainObject(value) {
+            return copyObject(value, keysIn(value));
+          }
+          function toSafeInteger(value) {
+            return value ? baseClamp(toInteger(value), -MAX_SAFE_INTEGER3, MAX_SAFE_INTEGER3) : value === 0 ? value : 0;
+          }
+          function toString2(value) {
+            return value == null ? "" : baseToString2(value);
+          }
+          var assign = createAssigner(function(object, source) {
+            if (isPrototype2(source) || isArrayLike2(source)) {
+              copyObject(source, keys2(source), object);
+              return;
+            }
+            for (var key in source) {
+              if (hasOwnProperty10.call(source, key)) {
+                assignValue(object, key, source[key]);
+              }
+            }
+          });
+          var assignIn = createAssigner(function(object, source) {
+            copyObject(source, keysIn(source), object);
+          });
+          var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
+            copyObject(source, keysIn(source), object, customizer);
+          });
+          var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
+            copyObject(source, keys2(source), object, customizer);
+          });
+          var at = flatRest(baseAt);
+          function create2(prototype, properties) {
+            var result2 = baseCreate(prototype);
+            return properties == null ? result2 : baseAssign(result2, properties);
+          }
+          var defaults2 = baseRest(function(object, sources) {
+            object = Object2(object);
+            var index = -1;
+            var length = sources.length;
+            var guard = length > 2 ? sources[2] : undefined2;
+            if (guard && isIterateeCall(sources[0], sources[1], guard)) {
+              length = 1;
+            }
+            while (++index < length) {
+              var source = sources[index];
+              var props = keysIn(source);
+              var propsIndex = -1;
+              var propsLength = props.length;
+              while (++propsIndex < propsLength) {
+                var key = props[propsIndex];
+                var value = object[key];
+                if (value === undefined2 || eq2(value, objectProto13[key]) && !hasOwnProperty10.call(object, key)) {
+                  object[key] = source[key];
+                }
+              }
+            }
+            return object;
+          });
+          var defaultsDeep = baseRest(function(args) {
+            args.push(undefined2, customDefaultsMerge);
+            return apply(mergeWith, undefined2, args);
+          });
+          function findKey(object, predicate) {
+            return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
+          }
+          function findLastKey(object, predicate) {
+            return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
+          }
+          function forIn(object, iteratee2) {
+            return object == null ? object : baseFor(object, getIteratee(iteratee2, 3), keysIn);
+          }
+          function forInRight(object, iteratee2) {
+            return object == null ? object : baseForRight(object, getIteratee(iteratee2, 3), keysIn);
+          }
+          function forOwn(object, iteratee2) {
+            return object && baseForOwn(object, getIteratee(iteratee2, 3));
+          }
+          function forOwnRight(object, iteratee2) {
+            return object && baseForOwnRight(object, getIteratee(iteratee2, 3));
+          }
+          function functions(object) {
+            return object == null ? [] : baseFunctions(object, keys2(object));
+          }
+          function functionsIn(object) {
+            return object == null ? [] : baseFunctions(object, keysIn(object));
+          }
+          function get4(object, path, defaultValue) {
+            var result2 = object == null ? undefined2 : baseGet(object, path);
+            return result2 === undefined2 ? defaultValue : result2;
+          }
+          function has(object, path) {
+            return object != null && hasPath(object, path, baseHas);
+          }
+          function hasIn(object, path) {
+            return object != null && hasPath(object, path, baseHasIn);
+          }
+          var invert = createInverter(function(result2, value, key) {
+            if (value != null && typeof value.toString != "function") {
+              value = nativeObjectToString3.call(value);
+            }
+            result2[value] = key;
+          }, constant(identity4));
+          var invertBy = createInverter(function(result2, value, key) {
+            if (value != null && typeof value.toString != "function") {
+              value = nativeObjectToString3.call(value);
+            }
+            if (hasOwnProperty10.call(result2, value)) {
+              result2[value].push(key);
+            } else {
+              result2[value] = [key];
+            }
+          }, getIteratee);
+          var invoke = baseRest(baseInvoke);
+          function keys2(object) {
+            return isArrayLike2(object) ? arrayLikeKeys2(object) : baseKeys2(object);
+          }
+          function keysIn(object) {
+            return isArrayLike2(object) ? arrayLikeKeys2(object, true) : baseKeysIn(object);
+          }
+          function mapKeys(object, iteratee2) {
+            var result2 = {};
+            iteratee2 = getIteratee(iteratee2, 3);
+            baseForOwn(object, function(value, key, object2) {
+              baseAssignValue(result2, iteratee2(value, key, object2), value);
+            });
+            return result2;
+          }
+          function mapValues(object, iteratee2) {
+            var result2 = {};
+            iteratee2 = getIteratee(iteratee2, 3);
+            baseForOwn(object, function(value, key, object2) {
+              baseAssignValue(result2, key, iteratee2(value, key, object2));
+            });
+            return result2;
+          }
+          var merge2 = createAssigner(function(object, source, srcIndex) {
+            baseMerge(object, source, srcIndex);
+          });
+          var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
+            baseMerge(object, source, srcIndex, customizer);
+          });
+          var omit = flatRest(function(object, paths) {
+            var result2 = {};
+            if (object == null) {
+              return result2;
+            }
+            var isDeep = false;
+            paths = arrayMap2(paths, function(path) {
+              path = castPath(path, object);
+              isDeep || (isDeep = path.length > 1);
+              return path;
+            });
+            copyObject(object, getAllKeysIn(object), result2);
+            if (isDeep) {
+              result2 = baseClone(result2, CLONE_DEEP_FLAG | CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG, customOmitClone);
+            }
+            var length = paths.length;
+            while (length--) {
+              baseUnset(result2, paths[length]);
+            }
+            return result2;
+          });
+          function omitBy(object, predicate) {
+            return pickBy(object, negate(getIteratee(predicate)));
+          }
+          var pick = flatRest(function(object, paths) {
+            return object == null ? {} : basePick(object, paths);
+          });
+          function pickBy(object, predicate) {
+            if (object == null) {
+              return {};
+            }
+            var props = arrayMap2(getAllKeysIn(object), function(prop) {
+              return [prop];
+            });
+            predicate = getIteratee(predicate);
+            return basePickBy(object, props, function(value, path) {
+              return predicate(value, path[0]);
+            });
+          }
+          function result(object, path, defaultValue) {
+            path = castPath(path, object);
+            var index = -1, length = path.length;
+            if (!length) {
+              length = 1;
+              object = undefined2;
+            }
+            while (++index < length) {
+              var value = object == null ? undefined2 : object[toKey(path[index])];
+              if (value === undefined2) {
+                index = length;
+                value = defaultValue;
+              }
+              object = isFunction2(value) ? value.call(object) : value;
+            }
+            return object;
+          }
+          function set3(object, path, value) {
+            return object == null ? object : baseSet(object, path, value);
+          }
+          function setWith(object, path, value, customizer) {
+            customizer = typeof customizer == "function" ? customizer : undefined2;
+            return object == null ? object : baseSet(object, path, value, customizer);
+          }
+          var toPairs = createToPairs(keys2);
+          var toPairsIn = createToPairs(keysIn);
+          function transform2(object, iteratee2, accumulator) {
+            var isArr = isArray2(object), isArrLike = isArr || isBuffer2(object) || isTypedArray2(object);
+            iteratee2 = getIteratee(iteratee2, 4);
+            if (accumulator == null) {
+              var Ctor = object && object.constructor;
+              if (isArrLike) {
+                accumulator = isArr ? new Ctor() : [];
+              } else if (isObject3(object)) {
+                accumulator = isFunction2(Ctor) ? baseCreate(getPrototype(object)) : {};
+              } else {
+                accumulator = {};
+              }
+            }
+            (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object2) {
+              return iteratee2(accumulator, value, index, object2);
+            });
+            return accumulator;
+          }
+          function unset(object, path) {
+            return object == null ? true : baseUnset(object, path);
+          }
+          function update(object, path, updater) {
+            return object == null ? object : baseUpdate(object, path, castFunction(updater));
+          }
+          function updateWith(object, path, updater, customizer) {
+            customizer = typeof customizer == "function" ? customizer : undefined2;
+            return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
+          }
+          function values(object) {
+            return object == null ? [] : baseValues(object, keys2(object));
+          }
+          function valuesIn(object) {
+            return object == null ? [] : baseValues(object, keysIn(object));
+          }
+          function clamp3(number3, lower2, upper) {
+            if (upper === undefined2) {
+              upper = lower2;
+              lower2 = undefined2;
+            }
+            if (upper !== undefined2) {
+              upper = toNumber3(upper);
+              upper = upper === upper ? upper : 0;
+            }
+            if (lower2 !== undefined2) {
+              lower2 = toNumber3(lower2);
+              lower2 = lower2 === lower2 ? lower2 : 0;
+            }
+            return baseClamp(toNumber3(number3), lower2, upper);
+          }
+          function inRange(number3, start2, end) {
+            start2 = toFinite(start2);
+            if (end === undefined2) {
+              end = start2;
+              start2 = 0;
+            } else {
+              end = toFinite(end);
+            }
+            number3 = toNumber3(number3);
+            return baseInRange(number3, start2, end);
+          }
+          function random(lower2, upper, floating) {
+            if (floating && typeof floating != "boolean" && isIterateeCall(lower2, upper, floating)) {
+              upper = floating = undefined2;
+            }
+            if (floating === undefined2) {
+              if (typeof upper == "boolean") {
+                floating = upper;
+                upper = undefined2;
+              } else if (typeof lower2 == "boolean") {
+                floating = lower2;
+                lower2 = undefined2;
+              }
+            }
+            if (lower2 === undefined2 && upper === undefined2) {
+              lower2 = 0;
+              upper = 1;
+            } else {
+              lower2 = toFinite(lower2);
+              if (upper === undefined2) {
+                upper = lower2;
+                lower2 = 0;
+              } else {
+                upper = toFinite(upper);
+              }
+            }
+            if (lower2 > upper) {
+              var temp = lower2;
+              lower2 = upper;
+              upper = temp;
+            }
+            if (floating || lower2 % 1 || upper % 1) {
+              var rand = nativeRandom();
+              return nativeMin2(lower2 + rand * (upper - lower2 + freeParseFloat("1e-" + ((rand + "").length - 1))), upper);
+            }
+            return baseRandom(lower2, upper);
+          }
+          var camelCase = createCompounder(function(result2, word, index) {
+            word = word.toLowerCase();
+            return result2 + (index ? capitalize(word) : word);
+          });
+          function capitalize(string) {
+            return upperFirst(toString2(string).toLowerCase());
+          }
+          function deburr(string) {
+            string = toString2(string);
+            return string && string.replace(reLatin, deburrLetter).replace(reComboMark, "");
+          }
+          function endsWith(string, target, position) {
+            string = toString2(string);
+            target = baseToString2(target);
+            var length = string.length;
+            position = position === undefined2 ? length : baseClamp(toInteger(position), 0, length);
+            var end = position;
+            position -= target.length;
+            return position >= 0 && string.slice(position, end) == target;
+          }
+          function escape6(string) {
+            string = toString2(string);
+            return string && reHasUnescapedHtml2.test(string) ? string.replace(reUnescapedHtml2, escapeHtmlChar2) : string;
+          }
+          function escapeRegExp(string) {
+            string = toString2(string);
+            return string && reHasRegExpChar.test(string) ? string.replace(reRegExpChar2, "\\$&") : string;
+          }
+          var kebabCase = createCompounder(function(result2, word, index) {
+            return result2 + (index ? "-" : "") + word.toLowerCase();
+          });
+          var lowerCase = createCompounder(function(result2, word, index) {
+            return result2 + (index ? " " : "") + word.toLowerCase();
+          });
+          var lowerFirst = createCaseFirst("toLowerCase");
+          function pad2(string, length, chars) {
+            string = toString2(string);
+            length = toInteger(length);
+            var strLength = length ? stringSize(string) : 0;
+            if (!length || strLength >= length) {
+              return string;
+            }
+            var mid = (length - strLength) / 2;
+            return createPadding(nativeFloor(mid), chars) + string + createPadding(nativeCeil(mid), chars);
+          }
+          function padEnd(string, length, chars) {
+            string = toString2(string);
+            length = toInteger(length);
+            var strLength = length ? stringSize(string) : 0;
+            return length && strLength < length ? string + createPadding(length - strLength, chars) : string;
+          }
+          function padStart(string, length, chars) {
+            string = toString2(string);
+            length = toInteger(length);
+            var strLength = length ? stringSize(string) : 0;
+            return length && strLength < length ? createPadding(length - strLength, chars) + string : string;
+          }
+          function parseInt2(string, radix, guard) {
+            if (guard || radix == null) {
+              radix = 0;
+            } else if (radix) {
+              radix = +radix;
+            }
+            return nativeParseInt(toString2(string).replace(reTrimStart2, ""), radix || 0);
+          }
+          function repeat(string, n2, guard) {
+            if (guard ? isIterateeCall(string, n2, guard) : n2 === undefined2) {
+              n2 = 1;
+            } else {
+              n2 = toInteger(n2);
+            }
+            return baseRepeat(toString2(string), n2);
+          }
+          function replace() {
+            var args = arguments, string = toString2(args[0]);
+            return args.length < 3 ? string : string.replace(args[1], args[2]);
+          }
+          var snakeCase = createCompounder(function(result2, word, index) {
+            return result2 + (index ? "_" : "") + word.toLowerCase();
+          });
+          function split(string, separator, limit) {
+            if (limit && typeof limit != "number" && isIterateeCall(string, separator, limit)) {
+              separator = limit = undefined2;
+            }
+            limit = limit === undefined2 ? MAX_ARRAY_LENGTH : limit >>> 0;
+            if (!limit) {
+              return [];
+            }
+            string = toString2(string);
+            if (string && (typeof separator == "string" || separator != null && !isRegExp(separator))) {
+              separator = baseToString2(separator);
+              if (!separator && hasUnicode(string)) {
+                return castSlice(stringToArray(string), 0, limit);
+              }
+            }
+            return string.split(separator, limit);
+          }
+          var startCase = createCompounder(function(result2, word, index) {
+            return result2 + (index ? " " : "") + upperFirst(word);
+          });
+          function startsWith(string, target, position) {
+            string = toString2(string);
+            position = position == null ? 0 : baseClamp(toInteger(position), 0, string.length);
+            target = baseToString2(target);
+            return string.slice(position, position + target.length) == target;
+          }
+          function template(string, options2, guard) {
+            var settings = lodash.templateSettings;
+            if (guard && isIterateeCall(string, options2, guard)) {
+              options2 = undefined2;
+            }
+            string = toString2(string);
+            options2 = assignInWith({}, options2, settings, customDefaultsAssignIn);
+            var imports = assignInWith({}, options2.imports, settings.imports, customDefaultsAssignIn), importsKeys = keys2(imports), importsValues = baseValues(imports, importsKeys);
+            var isEscaping, isEvaluating, index = 0, interpolate = options2.interpolate || reNoMatch, source = "__p += '";
+            var reDelimiters = RegExp2(
+              (options2.escape || reNoMatch).source + "|" + interpolate.source + "|" + (interpolate === reInterpolate ? reEsTemplate : reNoMatch).source + "|" + (options2.evaluate || reNoMatch).source + "|$",
+              "g"
+            );
+            var sourceURL = "//# sourceURL=" + (hasOwnProperty10.call(options2, "sourceURL") ? (options2.sourceURL + "").replace(/\s/g, " ") : "lodash.templateSources[" + ++templateCounter + "]") + "\n";
+            string.replace(reDelimiters, function(match, escapeValue, interpolateValue, esTemplateValue, evaluateValue, offset) {
+              interpolateValue || (interpolateValue = esTemplateValue);
+              source += string.slice(index, offset).replace(reUnescapedString, escapeStringChar);
+              if (escapeValue) {
+                isEscaping = true;
+                source += "' +\n__e(" + escapeValue + ") +\n'";
+              }
+              if (evaluateValue) {
+                isEvaluating = true;
+                source += "';\n" + evaluateValue + ";\n__p += '";
+              }
+              if (interpolateValue) {
+                source += "' +\n((__t = (" + interpolateValue + ")) == null ? '' : __t) +\n'";
+              }
+              index = offset + match.length;
+              return match;
+            });
+            source += "';\n";
+            var variable = hasOwnProperty10.call(options2, "variable") && options2.variable;
+            if (!variable) {
+              source = "with (obj) {\n" + source + "\n}\n";
+            } else if (reForbiddenIdentifierChars.test(variable)) {
+              throw new Error2(INVALID_TEMPL_VAR_ERROR_TEXT);
+            }
+            source = (isEvaluating ? source.replace(reEmptyStringLeading, "") : source).replace(reEmptyStringMiddle, "$1").replace(reEmptyStringTrailing, "$1;");
+            source = "function(" + (variable || "obj") + ") {\n" + (variable ? "" : "obj || (obj = {});\n") + "var __t, __p = ''" + (isEscaping ? ", __e = _.escape" : "") + (isEvaluating ? ", __j = Array.prototype.join;\nfunction print() { __p += __j.call(arguments, '') }\n" : ";\n") + source + "return __p\n}";
+            var result2 = attempt(function() {
+              return Function2(importsKeys, sourceURL + "return " + source).apply(undefined2, importsValues);
+            });
+            result2.source = source;
+            if (isError(result2)) {
+              throw result2;
+            }
+            return result2;
+          }
+          function toLower(value) {
+            return toString2(value).toLowerCase();
+          }
+          function toUpper(value) {
+            return toString2(value).toUpperCase();
+          }
+          function trim(string, chars, guard) {
+            string = toString2(string);
+            if (string && (guard || chars === undefined2)) {
+              return baseTrim2(string);
+            }
+            if (!string || !(chars = baseToString2(chars))) {
+              return string;
+            }
+            var strSymbols = stringToArray(string), chrSymbols = stringToArray(chars), start2 = charsStartIndex(strSymbols, chrSymbols), end = charsEndIndex(strSymbols, chrSymbols) + 1;
+            return castSlice(strSymbols, start2, end).join("");
+          }
+          function trimEnd(string, chars, guard) {
+            string = toString2(string);
+            if (string && (guard || chars === undefined2)) {
+              return string.slice(0, trimmedEndIndex2(string) + 1);
+            }
+            if (!string || !(chars = baseToString2(chars))) {
+              return string;
+            }
+            var strSymbols = stringToArray(string), end = charsEndIndex(strSymbols, stringToArray(chars)) + 1;
+            return castSlice(strSymbols, 0, end).join("");
+          }
+          function trimStart(string, chars, guard) {
+            string = toString2(string);
+            if (string && (guard || chars === undefined2)) {
+              return string.replace(reTrimStart2, "");
+            }
+            if (!string || !(chars = baseToString2(chars))) {
+              return string;
+            }
+            var strSymbols = stringToArray(string), start2 = charsStartIndex(strSymbols, stringToArray(chars));
+            return castSlice(strSymbols, start2).join("");
+          }
+          function truncate(string, options2) {
+            var length = DEFAULT_TRUNC_LENGTH, omission = DEFAULT_TRUNC_OMISSION;
+            if (isObject3(options2)) {
+              var separator = "separator" in options2 ? options2.separator : separator;
+              length = "length" in options2 ? toInteger(options2.length) : length;
+              omission = "omission" in options2 ? baseToString2(options2.omission) : omission;
+            }
+            string = toString2(string);
+            var strLength = string.length;
+            if (hasUnicode(string)) {
+              var strSymbols = stringToArray(string);
+              strLength = strSymbols.length;
+            }
+            if (length >= strLength) {
+              return string;
+            }
+            var end = length - stringSize(omission);
+            if (end < 1) {
+              return omission;
+            }
+            var result2 = strSymbols ? castSlice(strSymbols, 0, end).join("") : string.slice(0, end);
+            if (separator === undefined2) {
+              return result2 + omission;
+            }
+            if (strSymbols) {
+              end += result2.length - end;
+            }
+            if (isRegExp(separator)) {
+              if (string.slice(end).search(separator)) {
+                var match, substring = result2;
+                if (!separator.global) {
+                  separator = RegExp2(separator.source, toString2(reFlags.exec(separator)) + "g");
+                }
+                separator.lastIndex = 0;
+                while (match = separator.exec(substring)) {
+                  var newEnd = match.index;
+                }
+                result2 = result2.slice(0, newEnd === undefined2 ? end : newEnd);
+              }
+            } else if (string.indexOf(baseToString2(separator), end) != end) {
+              var index = result2.lastIndexOf(separator);
+              if (index > -1) {
+                result2 = result2.slice(0, index);
+              }
+            }
+            return result2 + omission;
+          }
+          function unescape4(string) {
+            string = toString2(string);
+            return string && reHasEscapedHtml2.test(string) ? string.replace(reEscapedHtml2, unescapeHtmlChar2) : string;
+          }
+          var upperCase = createCompounder(function(result2, word, index) {
+            return result2 + (index ? " " : "") + word.toUpperCase();
+          });
+          var upperFirst = createCaseFirst("toUpperCase");
+          function words(string, pattern, guard) {
+            string = toString2(string);
+            pattern = guard ? undefined2 : pattern;
+            if (pattern === undefined2) {
+              return hasUnicodeWord(string) ? unicodeWords(string) : asciiWords(string);
+            }
+            return string.match(pattern) || [];
+          }
+          var attempt = baseRest(function(func, args) {
+            try {
+              return apply(func, undefined2, args);
+            } catch (e) {
+              return isError(e) ? e : new Error2(e);
+            }
+          });
+          var bindAll = flatRest(function(object, methodNames) {
+            arrayEach(methodNames, function(key) {
+              key = toKey(key);
+              baseAssignValue(object, key, bind(object[key], object));
+            });
+            return object;
+          });
+          function cond(pairs) {
+            var length = pairs == null ? 0 : pairs.length, toIteratee = getIteratee();
+            pairs = !length ? [] : arrayMap2(pairs, function(pair2) {
+              if (typeof pair2[1] != "function") {
+                throw new TypeError2(FUNC_ERROR_TEXT3);
+              }
+              return [toIteratee(pair2[0]), pair2[1]];
+            });
+            return baseRest(function(args) {
+              var index = -1;
+              while (++index < length) {
+                var pair2 = pairs[index];
+                if (apply(pair2[0], this, args)) {
+                  return apply(pair2[1], this, args);
+                }
+              }
+            });
+          }
+          function conforms(source) {
+            return baseConforms(baseClone(source, CLONE_DEEP_FLAG));
+          }
+          function constant(value) {
+            return function() {
+              return value;
+            };
+          }
+          function defaultTo(value, defaultValue) {
+            return value == null || value !== value ? defaultValue : value;
+          }
+          var flow = createFlow();
+          var flowRight = createFlow(true);
+          function identity4(value) {
+            return value;
+          }
+          function iteratee(func) {
+            return baseIteratee(typeof func == "function" ? func : baseClone(func, CLONE_DEEP_FLAG));
+          }
+          function matches(source) {
+            return baseMatches(baseClone(source, CLONE_DEEP_FLAG));
+          }
+          function matchesProperty(path, srcValue) {
+            return baseMatchesProperty(path, baseClone(srcValue, CLONE_DEEP_FLAG));
+          }
+          var method = baseRest(function(path, args) {
+            return function(object) {
+              return baseInvoke(object, path, args);
+            };
+          });
+          var methodOf = baseRest(function(object, args) {
+            return function(path) {
+              return baseInvoke(object, path, args);
+            };
+          });
+          function mixin(object, source, options2) {
+            var props = keys2(source), methodNames = baseFunctions(source, props);
+            if (options2 == null && !(isObject3(source) && (methodNames.length || !props.length))) {
+              options2 = source;
+              source = object;
+              object = this;
+              methodNames = baseFunctions(source, keys2(source));
+            }
+            var chain2 = !(isObject3(options2) && "chain" in options2) || !!options2.chain, isFunc = isFunction2(object);
+            arrayEach(methodNames, function(methodName) {
+              var func = source[methodName];
+              object[methodName] = func;
+              if (isFunc) {
+                object.prototype[methodName] = function() {
+                  var chainAll = this.__chain__;
+                  if (chain2 || chainAll) {
+                    var result2 = object(this.__wrapped__), actions = result2.__actions__ = copyArray(this.__actions__);
+                    actions.push({ "func": func, "args": arguments, "thisArg": object });
+                    result2.__chain__ = chainAll;
+                    return result2;
+                  }
+                  return func.apply(object, arrayPush2([this.value()], arguments));
+                };
+              }
+            });
+            return object;
+          }
+          function noConflict() {
+            if (root3._ === this) {
+              root3._ = oldDash;
+            }
+            return this;
+          }
+          function noop3() {
+          }
+          function nthArg(n2) {
+            n2 = toInteger(n2);
+            return baseRest(function(args) {
+              return baseNth(args, n2);
+            });
+          }
+          var over = createOver(arrayMap2);
+          var overEvery = createOver(arrayEvery);
+          var overSome = createOver(arraySome2);
+          function property(path) {
+            return isKey(path) ? baseProperty(toKey(path)) : basePropertyDeep(path);
+          }
+          function propertyOf(object) {
+            return function(path) {
+              return object == null ? undefined2 : baseGet(object, path);
+            };
+          }
+          var range3 = createRange();
+          var rangeRight = createRange(true);
+          function stubArray2() {
+            return [];
+          }
+          function stubFalse2() {
+            return false;
+          }
+          function stubObject() {
+            return {};
+          }
+          function stubString() {
+            return "";
+          }
+          function stubTrue() {
+            return true;
+          }
+          function times(n2, iteratee2) {
+            n2 = toInteger(n2);
+            if (n2 < 1 || n2 > MAX_SAFE_INTEGER3) {
+              return [];
+            }
+            var index = MAX_ARRAY_LENGTH, length = nativeMin2(n2, MAX_ARRAY_LENGTH);
+            iteratee2 = getIteratee(iteratee2);
+            n2 -= MAX_ARRAY_LENGTH;
+            var result2 = baseTimes2(length, iteratee2);
+            while (++index < n2) {
+              iteratee2(index);
+            }
+            return result2;
+          }
+          function toPath(value) {
+            if (isArray2(value)) {
+              return arrayMap2(value, toKey);
+            }
+            return isSymbol2(value) ? [value] : copyArray(stringToPath(toString2(value)));
+          }
+          function uniqueId(prefix) {
+            var id2 = ++idCounter;
+            return toString2(prefix) + id2;
+          }
+          var add = createMathOperation(function(augend, addend) {
+            return augend + addend;
+          }, 0);
+          var ceil = createRound("ceil");
+          var divide = createMathOperation(function(dividend, divisor) {
+            return dividend / divisor;
+          }, 1);
+          var floor = createRound("floor");
+          function max3(array2) {
+            return array2 && array2.length ? baseExtremum(array2, identity4, baseGt) : undefined2;
+          }
+          function maxBy(array2, iteratee2) {
+            return array2 && array2.length ? baseExtremum(array2, getIteratee(iteratee2, 2), baseGt) : undefined2;
+          }
+          function mean(array2) {
+            return baseMean(array2, identity4);
+          }
+          function meanBy(array2, iteratee2) {
+            return baseMean(array2, getIteratee(iteratee2, 2));
+          }
+          function min3(array2) {
+            return array2 && array2.length ? baseExtremum(array2, identity4, baseLt) : undefined2;
+          }
+          function minBy(array2, iteratee2) {
+            return array2 && array2.length ? baseExtremum(array2, getIteratee(iteratee2, 2), baseLt) : undefined2;
+          }
+          var multiply = createMathOperation(function(multiplier, multiplicand) {
+            return multiplier * multiplicand;
+          }, 1);
+          var round = createRound("round");
+          var subtract = createMathOperation(function(minuend, subtrahend) {
+            return minuend - subtrahend;
+          }, 0);
+          function sum(array2) {
+            return array2 && array2.length ? baseSum(array2, identity4) : 0;
+          }
+          function sumBy(array2, iteratee2) {
+            return array2 && array2.length ? baseSum(array2, getIteratee(iteratee2, 2)) : 0;
+          }
+          lodash.after = after;
+          lodash.ary = ary;
+          lodash.assign = assign;
+          lodash.assignIn = assignIn;
+          lodash.assignInWith = assignInWith;
+          lodash.assignWith = assignWith;
+          lodash.at = at;
+          lodash.before = before;
+          lodash.bind = bind;
+          lodash.bindAll = bindAll;
+          lodash.bindKey = bindKey2;
+          lodash.castArray = castArray;
+          lodash.chain = chain;
+          lodash.chunk = chunk;
+          lodash.compact = compact;
+          lodash.concat = concat;
+          lodash.cond = cond;
+          lodash.conforms = conforms;
+          lodash.constant = constant;
+          lodash.countBy = countBy;
+          lodash.create = create2;
+          lodash.curry = curry;
+          lodash.curryRight = curryRight;
+          lodash.debounce = debounce2;
+          lodash.defaults = defaults2;
+          lodash.defaultsDeep = defaultsDeep;
+          lodash.defer = defer;
+          lodash.delay = delay;
+          lodash.difference = difference;
+          lodash.differenceBy = differenceBy;
+          lodash.differenceWith = differenceWith;
+          lodash.drop = drop;
+          lodash.dropRight = dropRight;
+          lodash.dropRightWhile = dropRightWhile;
+          lodash.dropWhile = dropWhile;
+          lodash.fill = fill;
+          lodash.filter = filter2;
+          lodash.flatMap = flatMap;
+          lodash.flatMapDeep = flatMapDeep;
+          lodash.flatMapDepth = flatMapDepth;
+          lodash.flatten = flatten2;
+          lodash.flattenDeep = flattenDeep;
+          lodash.flattenDepth = flattenDepth;
+          lodash.flip = flip;
+          lodash.flow = flow;
+          lodash.flowRight = flowRight;
+          lodash.fromPairs = fromPairs;
+          lodash.functions = functions;
+          lodash.functionsIn = functionsIn;
+          lodash.groupBy = groupBy;
+          lodash.initial = initial;
+          lodash.intersection = intersection;
+          lodash.intersectionBy = intersectionBy;
+          lodash.intersectionWith = intersectionWith;
+          lodash.invert = invert;
+          lodash.invertBy = invertBy;
+          lodash.invokeMap = invokeMap;
+          lodash.iteratee = iteratee;
+          lodash.keyBy = keyBy;
+          lodash.keys = keys2;
+          lodash.keysIn = keysIn;
+          lodash.map = map2;
+          lodash.mapKeys = mapKeys;
+          lodash.mapValues = mapValues;
+          lodash.matches = matches;
+          lodash.matchesProperty = matchesProperty;
+          lodash.memoize = memoize;
+          lodash.merge = merge2;
+          lodash.mergeWith = mergeWith;
+          lodash.method = method;
+          lodash.methodOf = methodOf;
+          lodash.mixin = mixin;
+          lodash.negate = negate;
+          lodash.nthArg = nthArg;
+          lodash.omit = omit;
+          lodash.omitBy = omitBy;
+          lodash.once = once;
+          lodash.orderBy = orderBy;
+          lodash.over = over;
+          lodash.overArgs = overArgs;
+          lodash.overEvery = overEvery;
+          lodash.overSome = overSome;
+          lodash.partial = partial;
+          lodash.partialRight = partialRight;
+          lodash.partition = partition;
+          lodash.pick = pick;
+          lodash.pickBy = pickBy;
+          lodash.property = property;
+          lodash.propertyOf = propertyOf;
+          lodash.pull = pull;
+          lodash.pullAll = pullAll;
+          lodash.pullAllBy = pullAllBy;
+          lodash.pullAllWith = pullAllWith;
+          lodash.pullAt = pullAt;
+          lodash.range = range3;
+          lodash.rangeRight = rangeRight;
+          lodash.rearg = rearg;
+          lodash.reject = reject;
+          lodash.remove = remove2;
+          lodash.rest = rest;
+          lodash.reverse = reverse;
+          lodash.sampleSize = sampleSize;
+          lodash.set = set3;
+          lodash.setWith = setWith;
+          lodash.shuffle = shuffle;
+          lodash.slice = slice;
+          lodash.sortBy = sortBy;
+          lodash.sortedUniq = sortedUniq;
+          lodash.sortedUniqBy = sortedUniqBy;
+          lodash.split = split;
+          lodash.spread = spread;
+          lodash.tail = tail;
+          lodash.take = take;
+          lodash.takeRight = takeRight;
+          lodash.takeRightWhile = takeRightWhile;
+          lodash.takeWhile = takeWhile;
+          lodash.tap = tap;
+          lodash.throttle = throttle2;
+          lodash.thru = thru;
+          lodash.toArray = toArray;
+          lodash.toPairs = toPairs;
+          lodash.toPairsIn = toPairsIn;
+          lodash.toPath = toPath;
+          lodash.toPlainObject = toPlainObject;
+          lodash.transform = transform2;
+          lodash.unary = unary;
+          lodash.union = union;
+          lodash.unionBy = unionBy;
+          lodash.unionWith = unionWith;
+          lodash.uniq = uniq;
+          lodash.uniqBy = uniqBy;
+          lodash.uniqWith = uniqWith;
+          lodash.unset = unset;
+          lodash.unzip = unzip;
+          lodash.unzipWith = unzipWith;
+          lodash.update = update;
+          lodash.updateWith = updateWith;
+          lodash.values = values;
+          lodash.valuesIn = valuesIn;
+          lodash.without = without;
+          lodash.words = words;
+          lodash.wrap = wrap2;
+          lodash.xor = xor;
+          lodash.xorBy = xorBy;
+          lodash.xorWith = xorWith;
+          lodash.zip = zip;
+          lodash.zipObject = zipObject;
+          lodash.zipObjectDeep = zipObjectDeep;
+          lodash.zipWith = zipWith;
+          lodash.entries = toPairs;
+          lodash.entriesIn = toPairsIn;
+          lodash.extend = assignIn;
+          lodash.extendWith = assignInWith;
+          mixin(lodash, lodash);
+          lodash.add = add;
+          lodash.attempt = attempt;
+          lodash.camelCase = camelCase;
+          lodash.capitalize = capitalize;
+          lodash.ceil = ceil;
+          lodash.clamp = clamp3;
+          lodash.clone = clone;
+          lodash.cloneDeep = cloneDeep;
+          lodash.cloneDeepWith = cloneDeepWith;
+          lodash.cloneWith = cloneWith;
+          lodash.conformsTo = conformsTo;
+          lodash.deburr = deburr;
+          lodash.defaultTo = defaultTo;
+          lodash.divide = divide;
+          lodash.endsWith = endsWith;
+          lodash.eq = eq2;
+          lodash.escape = escape6;
+          lodash.escapeRegExp = escapeRegExp;
+          lodash.every = every;
+          lodash.find = find2;
+          lodash.findIndex = findIndex;
+          lodash.findKey = findKey;
+          lodash.findLast = findLast;
+          lodash.findLastIndex = findLastIndex;
+          lodash.findLastKey = findLastKey;
+          lodash.floor = floor;
+          lodash.forEach = forEach;
+          lodash.forEachRight = forEachRight;
+          lodash.forIn = forIn;
+          lodash.forInRight = forInRight;
+          lodash.forOwn = forOwn;
+          lodash.forOwnRight = forOwnRight;
+          lodash.get = get4;
+          lodash.gt = gt;
+          lodash.gte = gte;
+          lodash.has = has;
+          lodash.hasIn = hasIn;
+          lodash.head = head;
+          lodash.identity = identity4;
+          lodash.includes = includes;
+          lodash.indexOf = indexOf;
+          lodash.inRange = inRange;
+          lodash.invoke = invoke;
+          lodash.isArguments = isArguments2;
+          lodash.isArray = isArray2;
+          lodash.isArrayBuffer = isArrayBuffer;
+          lodash.isArrayLike = isArrayLike2;
+          lodash.isArrayLikeObject = isArrayLikeObject;
+          lodash.isBoolean = isBoolean;
+          lodash.isBuffer = isBuffer2;
+          lodash.isDate = isDate;
+          lodash.isElement = isElement2;
+          lodash.isEmpty = isEmpty;
+          lodash.isEqual = isEqual4;
+          lodash.isEqualWith = isEqualWith;
+          lodash.isError = isError;
+          lodash.isFinite = isFinite2;
+          lodash.isFunction = isFunction2;
+          lodash.isInteger = isInteger;
+          lodash.isLength = isLength2;
+          lodash.isMap = isMap;
+          lodash.isMatch = isMatch;
+          lodash.isMatchWith = isMatchWith;
+          lodash.isNaN = isNaN2;
+          lodash.isNative = isNative;
+          lodash.isNil = isNil;
+          lodash.isNull = isNull;
+          lodash.isNumber = isNumber2;
+          lodash.isObject = isObject3;
+          lodash.isObjectLike = isObjectLike2;
+          lodash.isPlainObject = isPlainObject;
+          lodash.isRegExp = isRegExp;
+          lodash.isSafeInteger = isSafeInteger;
+          lodash.isSet = isSet;
+          lodash.isString = isString;
+          lodash.isSymbol = isSymbol2;
+          lodash.isTypedArray = isTypedArray2;
+          lodash.isUndefined = isUndefined;
+          lodash.isWeakMap = isWeakMap;
+          lodash.isWeakSet = isWeakSet;
+          lodash.join = join;
+          lodash.kebabCase = kebabCase;
+          lodash.last = last;
+          lodash.lastIndexOf = lastIndexOf;
+          lodash.lowerCase = lowerCase;
+          lodash.lowerFirst = lowerFirst;
+          lodash.lt = lt;
+          lodash.lte = lte;
+          lodash.max = max3;
+          lodash.maxBy = maxBy;
+          lodash.mean = mean;
+          lodash.meanBy = meanBy;
+          lodash.min = min3;
+          lodash.minBy = minBy;
+          lodash.stubArray = stubArray2;
+          lodash.stubFalse = stubFalse2;
+          lodash.stubObject = stubObject;
+          lodash.stubString = stubString;
+          lodash.stubTrue = stubTrue;
+          lodash.multiply = multiply;
+          lodash.nth = nth;
+          lodash.noConflict = noConflict;
+          lodash.noop = noop3;
+          lodash.now = now3;
+          lodash.pad = pad2;
+          lodash.padEnd = padEnd;
+          lodash.padStart = padStart;
+          lodash.parseInt = parseInt2;
+          lodash.random = random;
+          lodash.reduce = reduce;
+          lodash.reduceRight = reduceRight;
+          lodash.repeat = repeat;
+          lodash.replace = replace;
+          lodash.result = result;
+          lodash.round = round;
+          lodash.runInContext = runInContext2;
+          lodash.sample = sample;
+          lodash.size = size;
+          lodash.snakeCase = snakeCase;
+          lodash.some = some;
+          lodash.sortedIndex = sortedIndex;
+          lodash.sortedIndexBy = sortedIndexBy;
+          lodash.sortedIndexOf = sortedIndexOf;
+          lodash.sortedLastIndex = sortedLastIndex;
+          lodash.sortedLastIndexBy = sortedLastIndexBy;
+          lodash.sortedLastIndexOf = sortedLastIndexOf;
+          lodash.startCase = startCase;
+          lodash.startsWith = startsWith;
+          lodash.subtract = subtract;
+          lodash.sum = sum;
+          lodash.sumBy = sumBy;
+          lodash.template = template;
+          lodash.times = times;
+          lodash.toFinite = toFinite;
+          lodash.toInteger = toInteger;
+          lodash.toLength = toLength;
+          lodash.toLower = toLower;
+          lodash.toNumber = toNumber3;
+          lodash.toSafeInteger = toSafeInteger;
+          lodash.toString = toString2;
+          lodash.toUpper = toUpper;
+          lodash.trim = trim;
+          lodash.trimEnd = trimEnd;
+          lodash.trimStart = trimStart;
+          lodash.truncate = truncate;
+          lodash.unescape = unescape4;
+          lodash.uniqueId = uniqueId;
+          lodash.upperCase = upperCase;
+          lodash.upperFirst = upperFirst;
+          lodash.each = forEach;
+          lodash.eachRight = forEachRight;
+          lodash.first = head;
+          mixin(lodash, function() {
+            var source = {};
+            baseForOwn(lodash, function(func, methodName) {
+              if (!hasOwnProperty10.call(lodash.prototype, methodName)) {
+                source[methodName] = func;
+              }
+            });
+            return source;
+          }(), { "chain": false });
+          lodash.VERSION = VERSION;
+          arrayEach(["bind", "bindKey", "curry", "curryRight", "partial", "partialRight"], function(methodName) {
+            lodash[methodName].placeholder = lodash;
+          });
+          arrayEach(["drop", "take"], function(methodName, index) {
+            LazyWrapper.prototype[methodName] = function(n2) {
+              n2 = n2 === undefined2 ? 1 : nativeMax2(toInteger(n2), 0);
+              var result2 = this.__filtered__ && !index ? new LazyWrapper(this) : this.clone();
+              if (result2.__filtered__) {
+                result2.__takeCount__ = nativeMin2(n2, result2.__takeCount__);
+              } else {
+                result2.__views__.push({
+                  "size": nativeMin2(n2, MAX_ARRAY_LENGTH),
+                  "type": methodName + (result2.__dir__ < 0 ? "Right" : "")
+                });
+              }
+              return result2;
+            };
+            LazyWrapper.prototype[methodName + "Right"] = function(n2) {
+              return this.reverse()[methodName](n2).reverse();
+            };
+          });
+          arrayEach(["filter", "map", "takeWhile"], function(methodName, index) {
+            var type2 = index + 1, isFilter = type2 == LAZY_FILTER_FLAG || type2 == LAZY_WHILE_FLAG;
+            LazyWrapper.prototype[methodName] = function(iteratee2) {
+              var result2 = this.clone();
+              result2.__iteratees__.push({
+                "iteratee": getIteratee(iteratee2, 3),
+                "type": type2
+              });
+              result2.__filtered__ = result2.__filtered__ || isFilter;
+              return result2;
+            };
+          });
+          arrayEach(["head", "last"], function(methodName, index) {
+            var takeName = "take" + (index ? "Right" : "");
+            LazyWrapper.prototype[methodName] = function() {
+              return this[takeName](1).value()[0];
+            };
+          });
+          arrayEach(["initial", "tail"], function(methodName, index) {
+            var dropName = "drop" + (index ? "" : "Right");
+            LazyWrapper.prototype[methodName] = function() {
+              return this.__filtered__ ? new LazyWrapper(this) : this[dropName](1);
+            };
+          });
+          LazyWrapper.prototype.compact = function() {
+            return this.filter(identity4);
+          };
+          LazyWrapper.prototype.find = function(predicate) {
+            return this.filter(predicate).head();
+          };
+          LazyWrapper.prototype.findLast = function(predicate) {
+            return this.reverse().find(predicate);
+          };
+          LazyWrapper.prototype.invokeMap = baseRest(function(path, args) {
+            if (typeof path == "function") {
+              return new LazyWrapper(this);
+            }
+            return this.map(function(value) {
+              return baseInvoke(value, path, args);
+            });
+          });
+          LazyWrapper.prototype.reject = function(predicate) {
+            return this.filter(negate(getIteratee(predicate)));
+          };
+          LazyWrapper.prototype.slice = function(start2, end) {
+            start2 = toInteger(start2);
+            var result2 = this;
+            if (result2.__filtered__ && (start2 > 0 || end < 0)) {
+              return new LazyWrapper(result2);
+            }
+            if (start2 < 0) {
+              result2 = result2.takeRight(-start2);
+            } else if (start2) {
+              result2 = result2.drop(start2);
+            }
+            if (end !== undefined2) {
+              end = toInteger(end);
+              result2 = end < 0 ? result2.dropRight(-end) : result2.take(end - start2);
+            }
+            return result2;
+          };
+          LazyWrapper.prototype.takeRightWhile = function(predicate) {
+            return this.reverse().takeWhile(predicate).reverse();
+          };
+          LazyWrapper.prototype.toArray = function() {
+            return this.take(MAX_ARRAY_LENGTH);
+          };
+          baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+            var checkIteratee = /^(?:filter|find|map|reject)|While$/.test(methodName), isTaker = /^(?:head|last)$/.test(methodName), lodashFunc = lodash[isTaker ? "take" + (methodName == "last" ? "Right" : "") : methodName], retUnwrapped = isTaker || /^find/.test(methodName);
+            if (!lodashFunc) {
+              return;
+            }
+            lodash.prototype[methodName] = function() {
+              var value = this.__wrapped__, args = isTaker ? [1] : arguments, isLazy = value instanceof LazyWrapper, iteratee2 = args[0], useLazy = isLazy || isArray2(value);
+              var interceptor = function(value2) {
+                var result3 = lodashFunc.apply(lodash, arrayPush2([value2], args));
+                return isTaker && chainAll ? result3[0] : result3;
+              };
+              if (useLazy && checkIteratee && typeof iteratee2 == "function" && iteratee2.length != 1) {
+                isLazy = useLazy = false;
+              }
+              var chainAll = this.__chain__, isHybrid = !!this.__actions__.length, isUnwrapped = retUnwrapped && !chainAll, onlyLazy = isLazy && !isHybrid;
+              if (!retUnwrapped && useLazy) {
+                value = onlyLazy ? value : new LazyWrapper(this);
+                var result2 = func.apply(value, args);
+                result2.__actions__.push({ "func": thru, "args": [interceptor], "thisArg": undefined2 });
+                return new LodashWrapper(result2, chainAll);
+              }
+              if (isUnwrapped && onlyLazy) {
+                return func.apply(this, args);
+              }
+              result2 = this.thru(interceptor);
+              return isUnwrapped ? isTaker ? result2.value()[0] : result2.value() : result2;
+            };
+          });
+          arrayEach(["pop", "push", "shift", "sort", "splice", "unshift"], function(methodName) {
+            var func = arrayProto2[methodName], chainName = /^(?:push|sort|unshift)$/.test(methodName) ? "tap" : "thru", retUnwrapped = /^(?:pop|shift)$/.test(methodName);
+            lodash.prototype[methodName] = function() {
+              var args = arguments;
+              if (retUnwrapped && !this.__chain__) {
+                var value = this.value();
+                return func.apply(isArray2(value) ? value : [], args);
+              }
+              return this[chainName](function(value2) {
+                return func.apply(isArray2(value2) ? value2 : [], args);
+              });
+            };
+          });
+          baseForOwn(LazyWrapper.prototype, function(func, methodName) {
+            var lodashFunc = lodash[methodName];
+            if (lodashFunc) {
+              var key = lodashFunc.name + "";
+              if (!hasOwnProperty10.call(realNames, key)) {
+                realNames[key] = [];
+              }
+              realNames[key].push({ "name": methodName, "func": lodashFunc });
+            }
+          });
+          realNames[createHybrid(undefined2, WRAP_BIND_KEY_FLAG).name] = [{
+            "name": "wrapper",
+            "func": undefined2
+          }];
+          LazyWrapper.prototype.clone = lazyClone;
+          LazyWrapper.prototype.reverse = lazyReverse;
+          LazyWrapper.prototype.value = lazyValue;
+          lodash.prototype.at = wrapperAt;
+          lodash.prototype.chain = wrapperChain;
+          lodash.prototype.commit = wrapperCommit;
+          lodash.prototype.next = wrapperNext;
+          lodash.prototype.plant = wrapperPlant;
+          lodash.prototype.reverse = wrapperReverse;
+          lodash.prototype.toJSON = lodash.prototype.valueOf = lodash.prototype.value = wrapperValue;
+          lodash.prototype.first = lodash.prototype.head;
+          if (symIterator) {
+            lodash.prototype[symIterator] = wrapperToIterator;
+          }
+          return lodash;
+        };
+        var _ = runInContext();
+        if (typeof define == "function" && typeof define.amd == "object" && define.amd) {
+          root3._ = _;
+          define(function() {
+            return _;
+          });
+        } else if (freeModule3) {
+          (freeModule3.exports = _)._ = _;
+          freeExports3._ = _;
+        } else {
+          root3._ = _;
+        }
+      }).call(exports2);
+    }
+  });
+
+  // node_modules/fast-deep-equal/index.js
+  var require_fast_deep_equal = __commonJS({
+    "node_modules/fast-deep-equal/index.js"(exports2, module2) {
+      "use strict";
+      module2.exports = function equal(a, b) {
+        if (a === b)
+          return true;
+        if (a && b && typeof a == "object" && typeof b == "object") {
+          if (a.constructor !== b.constructor)
+            return false;
+          var length, i2, keys2;
+          if (Array.isArray(a)) {
+            length = a.length;
+            if (length != b.length)
+              return false;
+            for (i2 = length; i2-- !== 0; )
+              if (!equal(a[i2], b[i2]))
+                return false;
+            return true;
+          }
+          if (a.constructor === RegExp)
+            return a.source === b.source && a.flags === b.flags;
+          if (a.valueOf !== Object.prototype.valueOf)
+            return a.valueOf() === b.valueOf();
+          if (a.toString !== Object.prototype.toString)
+            return a.toString() === b.toString();
+          keys2 = Object.keys(a);
+          length = keys2.length;
+          if (length !== Object.keys(b).length)
+            return false;
+          for (i2 = length; i2-- !== 0; )
+            if (!Object.prototype.hasOwnProperty.call(b, keys2[i2]))
+              return false;
+          for (i2 = length; i2-- !== 0; ) {
+            var key = keys2[i2];
+            if (!equal(a[key], b[key]))
+              return false;
+          }
+          return true;
+        }
+        return a !== a && b !== b;
+      };
+    }
+  });
+
+  // node_modules/rbush/rbush.min.js
+  var require_rbush_min = __commonJS({
+    "node_modules/rbush/rbush.min.js"(exports2, module2) {
+      !function(t, i2) {
+        "object" == typeof exports2 && "undefined" != typeof module2 ? module2.exports = i2() : "function" == typeof define && define.amd ? define(i2) : (t = t || self).RBush = i2();
+      }(exports2, function() {
+        "use strict";
+        function t(t2, r2, e3, a2, h2) {
+          !function t3(n3, r3, e4, a3, h3) {
+            for (; a3 > e4; ) {
+              if (a3 - e4 > 600) {
+                var o2 = a3 - e4 + 1, s2 = r3 - e4 + 1, l2 = Math.log(o2), f3 = 0.5 * Math.exp(2 * l2 / 3), u2 = 0.5 * Math.sqrt(l2 * f3 * (o2 - f3) / o2) * (s2 - o2 / 2 < 0 ? -1 : 1), m2 = Math.max(e4, Math.floor(r3 - s2 * f3 / o2 + u2)), c2 = Math.min(a3, Math.floor(r3 + (o2 - s2) * f3 / o2 + u2));
+                t3(n3, r3, m2, c2, h3);
+              }
+              var p2 = n3[r3], d2 = e4, x = a3;
+              for (i2(n3, e4, r3), h3(n3[a3], p2) > 0 && i2(n3, e4, a3); d2 < x; ) {
+                for (i2(n3, d2, x), d2++, x--; h3(n3[d2], p2) < 0; )
+                  d2++;
+                for (; h3(n3[x], p2) > 0; )
+                  x--;
+              }
+              0 === h3(n3[e4], p2) ? i2(n3, e4, x) : i2(n3, ++x, a3), x <= r3 && (e4 = x + 1), r3 <= x && (a3 = x - 1);
+            }
+          }(t2, r2, e3 || 0, a2 || t2.length - 1, h2 || n2);
+        }
+        function i2(t2, i3, n3) {
+          var r2 = t2[i3];
+          t2[i3] = t2[n3], t2[n3] = r2;
+        }
+        function n2(t2, i3) {
+          return t2 < i3 ? -1 : t2 > i3 ? 1 : 0;
+        }
+        var r = function(t2) {
+          void 0 === t2 && (t2 = 9), this._maxEntries = Math.max(4, t2), this._minEntries = Math.max(2, Math.ceil(0.4 * this._maxEntries)), this.clear();
+        };
+        function e(t2, i3, n3) {
+          if (!n3)
+            return i3.indexOf(t2);
+          for (var r2 = 0; r2 < i3.length; r2++)
+            if (n3(t2, i3[r2]))
+              return r2;
+          return -1;
+        }
+        function a(t2, i3) {
+          h(t2, 0, t2.children.length, i3, t2);
+        }
+        function h(t2, i3, n3, r2, e3) {
+          e3 || (e3 = p(null)), e3.minX = 1 / 0, e3.minY = 1 / 0, e3.maxX = -1 / 0, e3.maxY = -1 / 0;
+          for (var a2 = i3; a2 < n3; a2++) {
+            var h2 = t2.children[a2];
+            o(e3, t2.leaf ? r2(h2) : h2);
+          }
+          return e3;
+        }
+        function o(t2, i3) {
+          return t2.minX = Math.min(t2.minX, i3.minX), t2.minY = Math.min(t2.minY, i3.minY), t2.maxX = Math.max(t2.maxX, i3.maxX), t2.maxY = Math.max(t2.maxY, i3.maxY), t2;
+        }
+        function s(t2, i3) {
+          return t2.minX - i3.minX;
+        }
+        function l(t2, i3) {
+          return t2.minY - i3.minY;
+        }
+        function f2(t2) {
+          return (t2.maxX - t2.minX) * (t2.maxY - t2.minY);
+        }
+        function u(t2) {
+          return t2.maxX - t2.minX + (t2.maxY - t2.minY);
+        }
+        function m(t2, i3) {
+          return t2.minX <= i3.minX && t2.minY <= i3.minY && i3.maxX <= t2.maxX && i3.maxY <= t2.maxY;
+        }
+        function c(t2, i3) {
+          return i3.minX <= t2.maxX && i3.minY <= t2.maxY && i3.maxX >= t2.minX && i3.maxY >= t2.minY;
+        }
+        function p(t2) {
+          return { children: t2, height: 1, leaf: true, minX: 1 / 0, minY: 1 / 0, maxX: -1 / 0, maxY: -1 / 0 };
+        }
+        function d(i3, n3, r2, e3, a2) {
+          for (var h2 = [n3, r2]; h2.length; )
+            if (!((r2 = h2.pop()) - (n3 = h2.pop()) <= e3)) {
+              var o2 = n3 + Math.ceil((r2 - n3) / e3 / 2) * e3;
+              t(i3, o2, n3, r2, a2), h2.push(n3, o2, o2, r2);
+            }
+        }
+        return r.prototype.all = function() {
+          return this._all(this.data, []);
+        }, r.prototype.search = function(t2) {
+          var i3 = this.data, n3 = [];
+          if (!c(t2, i3))
+            return n3;
+          for (var r2 = this.toBBox, e3 = []; i3; ) {
+            for (var a2 = 0; a2 < i3.children.length; a2++) {
+              var h2 = i3.children[a2], o2 = i3.leaf ? r2(h2) : h2;
+              c(t2, o2) && (i3.leaf ? n3.push(h2) : m(t2, o2) ? this._all(h2, n3) : e3.push(h2));
+            }
+            i3 = e3.pop();
+          }
+          return n3;
+        }, r.prototype.collides = function(t2) {
+          var i3 = this.data;
+          if (!c(t2, i3))
+            return false;
+          for (var n3 = []; i3; ) {
+            for (var r2 = 0; r2 < i3.children.length; r2++) {
+              var e3 = i3.children[r2], a2 = i3.leaf ? this.toBBox(e3) : e3;
+              if (c(t2, a2)) {
+                if (i3.leaf || m(t2, a2))
+                  return true;
+                n3.push(e3);
+              }
+            }
+            i3 = n3.pop();
+          }
+          return false;
+        }, r.prototype.load = function(t2) {
+          if (!t2 || !t2.length)
+            return this;
+          if (t2.length < this._minEntries) {
+            for (var i3 = 0; i3 < t2.length; i3++)
+              this.insert(t2[i3]);
+            return this;
+          }
+          var n3 = this._build(t2.slice(), 0, t2.length - 1, 0);
+          if (this.data.children.length)
+            if (this.data.height === n3.height)
+              this._splitRoot(this.data, n3);
+            else {
+              if (this.data.height < n3.height) {
+                var r2 = this.data;
+                this.data = n3, n3 = r2;
+              }
+              this._insert(n3, this.data.height - n3.height - 1, true);
+            }
+          else
+            this.data = n3;
+          return this;
+        }, r.prototype.insert = function(t2) {
+          return t2 && this._insert(t2, this.data.height - 1), this;
+        }, r.prototype.clear = function() {
+          return this.data = p([]), this;
+        }, r.prototype.remove = function(t2, i3) {
+          if (!t2)
+            return this;
+          for (var n3, r2, a2, h2 = this.data, o2 = this.toBBox(t2), s2 = [], l2 = []; h2 || s2.length; ) {
+            if (h2 || (h2 = s2.pop(), r2 = s2[s2.length - 1], n3 = l2.pop(), a2 = true), h2.leaf) {
+              var f3 = e(t2, h2.children, i3);
+              if (-1 !== f3)
+                return h2.children.splice(f3, 1), s2.push(h2), this._condense(s2), this;
+            }
+            a2 || h2.leaf || !m(h2, o2) ? r2 ? (n3++, h2 = r2.children[n3], a2 = false) : h2 = null : (s2.push(h2), l2.push(n3), n3 = 0, r2 = h2, h2 = h2.children[0]);
+          }
+          return this;
+        }, r.prototype.toBBox = function(t2) {
+          return t2;
+        }, r.prototype.compareMinX = function(t2, i3) {
+          return t2.minX - i3.minX;
+        }, r.prototype.compareMinY = function(t2, i3) {
+          return t2.minY - i3.minY;
+        }, r.prototype.toJSON = function() {
+          return this.data;
+        }, r.prototype.fromJSON = function(t2) {
+          return this.data = t2, this;
+        }, r.prototype._all = function(t2, i3) {
+          for (var n3 = []; t2; )
+            t2.leaf ? i3.push.apply(i3, t2.children) : n3.push.apply(n3, t2.children), t2 = n3.pop();
+          return i3;
+        }, r.prototype._build = function(t2, i3, n3, r2) {
+          var e3, h2 = n3 - i3 + 1, o2 = this._maxEntries;
+          if (h2 <= o2)
+            return a(e3 = p(t2.slice(i3, n3 + 1)), this.toBBox), e3;
+          r2 || (r2 = Math.ceil(Math.log(h2) / Math.log(o2)), o2 = Math.ceil(h2 / Math.pow(o2, r2 - 1))), (e3 = p([])).leaf = false, e3.height = r2;
+          var s2 = Math.ceil(h2 / o2), l2 = s2 * Math.ceil(Math.sqrt(o2));
+          d(t2, i3, n3, l2, this.compareMinX);
+          for (var f3 = i3; f3 <= n3; f3 += l2) {
+            var u2 = Math.min(f3 + l2 - 1, n3);
+            d(t2, f3, u2, s2, this.compareMinY);
+            for (var m2 = f3; m2 <= u2; m2 += s2) {
+              var c2 = Math.min(m2 + s2 - 1, u2);
+              e3.children.push(this._build(t2, m2, c2, r2 - 1));
+            }
+          }
+          return a(e3, this.toBBox), e3;
+        }, r.prototype._chooseSubtree = function(t2, i3, n3, r2) {
+          for (; r2.push(i3), !i3.leaf && r2.length - 1 !== n3; ) {
+            for (var e3 = 1 / 0, a2 = 1 / 0, h2 = void 0, o2 = 0; o2 < i3.children.length; o2++) {
+              var s2 = i3.children[o2], l2 = f2(s2), u2 = (m2 = t2, c2 = s2, (Math.max(c2.maxX, m2.maxX) - Math.min(c2.minX, m2.minX)) * (Math.max(c2.maxY, m2.maxY) - Math.min(c2.minY, m2.minY)) - l2);
+              u2 < a2 ? (a2 = u2, e3 = l2 < e3 ? l2 : e3, h2 = s2) : u2 === a2 && l2 < e3 && (e3 = l2, h2 = s2);
+            }
+            i3 = h2 || i3.children[0];
+          }
+          var m2, c2;
+          return i3;
+        }, r.prototype._insert = function(t2, i3, n3) {
+          var r2 = n3 ? t2 : this.toBBox(t2), e3 = [], a2 = this._chooseSubtree(r2, this.data, i3, e3);
+          for (a2.children.push(t2), o(a2, r2); i3 >= 0 && e3[i3].children.length > this._maxEntries; )
+            this._split(e3, i3), i3--;
+          this._adjustParentBBoxes(r2, e3, i3);
+        }, r.prototype._split = function(t2, i3) {
+          var n3 = t2[i3], r2 = n3.children.length, e3 = this._minEntries;
+          this._chooseSplitAxis(n3, e3, r2);
+          var h2 = this._chooseSplitIndex(n3, e3, r2), o2 = p(n3.children.splice(h2, n3.children.length - h2));
+          o2.height = n3.height, o2.leaf = n3.leaf, a(n3, this.toBBox), a(o2, this.toBBox), i3 ? t2[i3 - 1].children.push(o2) : this._splitRoot(n3, o2);
+        }, r.prototype._splitRoot = function(t2, i3) {
+          this.data = p([t2, i3]), this.data.height = t2.height + 1, this.data.leaf = false, a(this.data, this.toBBox);
+        }, r.prototype._chooseSplitIndex = function(t2, i3, n3) {
+          for (var r2, e3, a2, o2, s2, l2, u2, m2 = 1 / 0, c2 = 1 / 0, p2 = i3; p2 <= n3 - i3; p2++) {
+            var d2 = h(t2, 0, p2, this.toBBox), x = h(t2, p2, n3, this.toBBox), v = (e3 = d2, a2 = x, o2 = void 0, s2 = void 0, l2 = void 0, u2 = void 0, o2 = Math.max(e3.minX, a2.minX), s2 = Math.max(e3.minY, a2.minY), l2 = Math.min(e3.maxX, a2.maxX), u2 = Math.min(e3.maxY, a2.maxY), Math.max(0, l2 - o2) * Math.max(0, u2 - s2)), M = f2(d2) + f2(x);
+            v < m2 ? (m2 = v, r2 = p2, c2 = M < c2 ? M : c2) : v === m2 && M < c2 && (c2 = M, r2 = p2);
+          }
+          return r2 || n3 - i3;
+        }, r.prototype._chooseSplitAxis = function(t2, i3, n3) {
+          var r2 = t2.leaf ? this.compareMinX : s, e3 = t2.leaf ? this.compareMinY : l;
+          this._allDistMargin(t2, i3, n3, r2) < this._allDistMargin(t2, i3, n3, e3) && t2.children.sort(r2);
+        }, r.prototype._allDistMargin = function(t2, i3, n3, r2) {
+          t2.children.sort(r2);
+          for (var e3 = this.toBBox, a2 = h(t2, 0, i3, e3), s2 = h(t2, n3 - i3, n3, e3), l2 = u(a2) + u(s2), f3 = i3; f3 < n3 - i3; f3++) {
+            var m2 = t2.children[f3];
+            o(a2, t2.leaf ? e3(m2) : m2), l2 += u(a2);
+          }
+          for (var c2 = n3 - i3 - 1; c2 >= i3; c2--) {
+            var p2 = t2.children[c2];
+            o(s2, t2.leaf ? e3(p2) : p2), l2 += u(s2);
+          }
+          return l2;
+        }, r.prototype._adjustParentBBoxes = function(t2, i3, n3) {
+          for (var r2 = n3; r2 >= 0; r2--)
+            o(i3[r2], t2);
+        }, r.prototype._condense = function(t2) {
+          for (var i3 = t2.length - 1, n3 = void 0; i3 >= 0; i3--)
+            0 === t2[i3].children.length ? i3 > 0 ? (n3 = t2[i3 - 1].children).splice(n3.indexOf(t2[i3]), 1) : this.clear() : a(t2[i3], this.toBBox);
+        }, r;
+      });
+    }
+  });
+
+  // node_modules/ieee754/index.js
+  var require_ieee754 = __commonJS({
+    "node_modules/ieee754/index.js"(exports2) {
+      exports2.read = function(buffer, offset, isLE, mLen, nBytes) {
+        var e, m;
+        var eLen = nBytes * 8 - mLen - 1;
+        var eMax = (1 << eLen) - 1;
+        var eBias = eMax >> 1;
+        var nBits = -7;
+        var i2 = isLE ? nBytes - 1 : 0;
+        var d = isLE ? -1 : 1;
+        var s = buffer[offset + i2];
+        i2 += d;
+        e = s & (1 << -nBits) - 1;
+        s >>= -nBits;
+        nBits += eLen;
+        for (; nBits > 0; e = e * 256 + buffer[offset + i2], i2 += d, nBits -= 8) {
+        }
+        m = e & (1 << -nBits) - 1;
+        e >>= -nBits;
+        nBits += mLen;
+        for (; nBits > 0; m = m * 256 + buffer[offset + i2], i2 += d, nBits -= 8) {
+        }
+        if (e === 0) {
+          e = 1 - eBias;
+        } else if (e === eMax) {
+          return m ? NaN : (s ? -1 : 1) * Infinity;
+        } else {
+          m = m + Math.pow(2, mLen);
+          e = e - eBias;
+        }
+        return (s ? -1 : 1) * m * Math.pow(2, e - mLen);
+      };
+      exports2.write = function(buffer, value, offset, isLE, mLen, nBytes) {
+        var e, m, c;
+        var eLen = nBytes * 8 - mLen - 1;
+        var eMax = (1 << eLen) - 1;
+        var eBias = eMax >> 1;
+        var rt = mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0;
+        var i2 = isLE ? 0 : nBytes - 1;
+        var d = isLE ? 1 : -1;
+        var s = value < 0 || value === 0 && 1 / value < 0 ? 1 : 0;
+        value = Math.abs(value);
+        if (isNaN(value) || value === Infinity) {
+          m = isNaN(value) ? 1 : 0;
+          e = eMax;
+        } else {
+          e = Math.floor(Math.log(value) / Math.LN2);
+          if (value * (c = Math.pow(2, -e)) < 1) {
+            e--;
+            c *= 2;
+          }
+          if (e + eBias >= 1) {
+            value += rt / c;
+          } else {
+            value += rt * Math.pow(2, 1 - eBias);
+          }
+          if (value * c >= 2) {
+            e++;
+            c /= 2;
+          }
+          if (e + eBias >= eMax) {
+            m = 0;
+            e = eMax;
+          } else if (e + eBias >= 1) {
+            m = (value * c - 1) * Math.pow(2, mLen);
+            e = e + eBias;
+          } else {
+            m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen);
+            e = 0;
+          }
+        }
+        for (; mLen >= 8; buffer[offset + i2] = m & 255, i2 += d, m /= 256, mLen -= 8) {
+        }
+        e = e << mLen | m;
+        eLen += mLen;
+        for (; eLen > 0; buffer[offset + i2] = e & 255, i2 += d, e /= 256, eLen -= 8) {
+        }
+        buffer[offset + i2 - d] |= s * 128;
+      };
+    }
+  });
+
+  // node_modules/pbf/index.js
+  var require_pbf = __commonJS({
+    "node_modules/pbf/index.js"(exports2, module2) {
+      "use strict";
+      module2.exports = Pbf;
+      var ieee754 = require_ieee754();
+      function Pbf(buf) {
+        this.buf = ArrayBuffer.isView && ArrayBuffer.isView(buf) ? buf : new Uint8Array(buf || 0);
+        this.pos = 0;
+        this.type = 0;
+        this.length = this.buf.length;
+      }
+      Pbf.Varint = 0;
+      Pbf.Fixed64 = 1;
+      Pbf.Bytes = 2;
+      Pbf.Fixed32 = 5;
+      var SHIFT_LEFT_32 = (1 << 16) * (1 << 16);
+      var SHIFT_RIGHT_32 = 1 / SHIFT_LEFT_32;
+      var TEXT_DECODER_MIN_LENGTH = 12;
+      var utf8TextDecoder = typeof TextDecoder === "undefined" ? null : new TextDecoder("utf8");
+      Pbf.prototype = {
+        destroy: function() {
+          this.buf = null;
+        },
+        // === READING =================================================================
+        readFields: function(readField, result, end) {
+          end = end || this.length;
+          while (this.pos < end) {
+            var val = this.readVarint(), tag = val >> 3, startPos = this.pos;
+            this.type = val & 7;
+            readField(tag, result, this);
+            if (this.pos === startPos)
+              this.skip(val);
+          }
+          return result;
+        },
+        readMessage: function(readField, result) {
+          return this.readFields(readField, result, this.readVarint() + this.pos);
+        },
+        readFixed32: function() {
+          var val = readUInt32(this.buf, this.pos);
+          this.pos += 4;
+          return val;
+        },
+        readSFixed32: function() {
+          var val = readInt32(this.buf, this.pos);
+          this.pos += 4;
+          return val;
+        },
+        // 64-bit int handling is based on github.com/dpw/node-buffer-more-ints (MIT-licensed)
+        readFixed64: function() {
+          var val = readUInt32(this.buf, this.pos) + readUInt32(this.buf, this.pos + 4) * SHIFT_LEFT_32;
+          this.pos += 8;
+          return val;
+        },
+        readSFixed64: function() {
+          var val = readUInt32(this.buf, this.pos) + readInt32(this.buf, this.pos + 4) * SHIFT_LEFT_32;
+          this.pos += 8;
+          return val;
+        },
+        readFloat: function() {
+          var val = ieee754.read(this.buf, this.pos, true, 23, 4);
+          this.pos += 4;
+          return val;
+        },
+        readDouble: function() {
+          var val = ieee754.read(this.buf, this.pos, true, 52, 8);
+          this.pos += 8;
+          return val;
+        },
+        readVarint: function(isSigned) {
+          var buf = this.buf, val, b;
+          b = buf[this.pos++];
+          val = b & 127;
+          if (b < 128)
+            return val;
+          b = buf[this.pos++];
+          val |= (b & 127) << 7;
+          if (b < 128)
+            return val;
+          b = buf[this.pos++];
+          val |= (b & 127) << 14;
+          if (b < 128)
+            return val;
+          b = buf[this.pos++];
+          val |= (b & 127) << 21;
+          if (b < 128)
+            return val;
+          b = buf[this.pos];
+          val |= (b & 15) << 28;
+          return readVarintRemainder(val, isSigned, this);
+        },
+        readVarint64: function() {
+          return this.readVarint(true);
+        },
+        readSVarint: function() {
+          var num = this.readVarint();
+          return num % 2 === 1 ? (num + 1) / -2 : num / 2;
+        },
+        readBoolean: function() {
+          return Boolean(this.readVarint());
+        },
+        readString: function() {
+          var end = this.readVarint() + this.pos;
+          var pos = this.pos;
+          this.pos = end;
+          if (end - pos >= TEXT_DECODER_MIN_LENGTH && utf8TextDecoder) {
+            return readUtf8TextDecoder(this.buf, pos, end);
+          }
+          return readUtf8(this.buf, pos, end);
+        },
+        readBytes: function() {
+          var end = this.readVarint() + this.pos, buffer = this.buf.subarray(this.pos, end);
+          this.pos = end;
+          return buffer;
+        },
+        // verbose for performance reasons; doesn't affect gzipped size
+        readPackedVarint: function(arr, isSigned) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readVarint(isSigned));
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readVarint(isSigned));
+          return arr;
+        },
+        readPackedSVarint: function(arr) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readSVarint());
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readSVarint());
+          return arr;
+        },
+        readPackedBoolean: function(arr) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readBoolean());
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readBoolean());
+          return arr;
+        },
+        readPackedFloat: function(arr) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readFloat());
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readFloat());
+          return arr;
+        },
+        readPackedDouble: function(arr) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readDouble());
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readDouble());
+          return arr;
+        },
+        readPackedFixed32: function(arr) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readFixed32());
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readFixed32());
+          return arr;
+        },
+        readPackedSFixed32: function(arr) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readSFixed32());
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readSFixed32());
+          return arr;
+        },
+        readPackedFixed64: function(arr) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readFixed64());
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readFixed64());
+          return arr;
+        },
+        readPackedSFixed64: function(arr) {
+          if (this.type !== Pbf.Bytes)
+            return arr.push(this.readSFixed64());
+          var end = readPackedEnd(this);
+          arr = arr || [];
+          while (this.pos < end)
+            arr.push(this.readSFixed64());
+          return arr;
+        },
+        skip: function(val) {
+          var type2 = val & 7;
+          if (type2 === Pbf.Varint)
+            while (this.buf[this.pos++] > 127) {
+            }
+          else if (type2 === Pbf.Bytes)
+            this.pos = this.readVarint() + this.pos;
+          else if (type2 === Pbf.Fixed32)
+            this.pos += 4;
+          else if (type2 === Pbf.Fixed64)
+            this.pos += 8;
+          else
+            throw new Error("Unimplemented type: " + type2);
+        },
+        // === WRITING =================================================================
+        writeTag: function(tag, type2) {
+          this.writeVarint(tag << 3 | type2);
+        },
+        realloc: function(min3) {
+          var length = this.length || 16;
+          while (length < this.pos + min3)
+            length *= 2;
+          if (length !== this.length) {
+            var buf = new Uint8Array(length);
+            buf.set(this.buf);
+            this.buf = buf;
+            this.length = length;
+          }
+        },
+        finish: function() {
+          this.length = this.pos;
+          this.pos = 0;
+          return this.buf.subarray(0, this.length);
+        },
+        writeFixed32: function(val) {
+          this.realloc(4);
+          writeInt32(this.buf, val, this.pos);
+          this.pos += 4;
+        },
+        writeSFixed32: function(val) {
+          this.realloc(4);
+          writeInt32(this.buf, val, this.pos);
+          this.pos += 4;
+        },
+        writeFixed64: function(val) {
+          this.realloc(8);
+          writeInt32(this.buf, val & -1, this.pos);
+          writeInt32(this.buf, Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);
+          this.pos += 8;
+        },
+        writeSFixed64: function(val) {
+          this.realloc(8);
+          writeInt32(this.buf, val & -1, this.pos);
+          writeInt32(this.buf, Math.floor(val * SHIFT_RIGHT_32), this.pos + 4);
+          this.pos += 8;
+        },
+        writeVarint: function(val) {
+          val = +val || 0;
+          if (val > 268435455 || val < 0) {
+            writeBigVarint(val, this);
+            return;
+          }
+          this.realloc(4);
+          this.buf[this.pos++] = val & 127 | (val > 127 ? 128 : 0);
+          if (val <= 127)
+            return;
+          this.buf[this.pos++] = (val >>>= 7) & 127 | (val > 127 ? 128 : 0);
+          if (val <= 127)
+            return;
+          this.buf[this.pos++] = (val >>>= 7) & 127 | (val > 127 ? 128 : 0);
+          if (val <= 127)
+            return;
+          this.buf[this.pos++] = val >>> 7 & 127;
+        },
+        writeSVarint: function(val) {
+          this.writeVarint(val < 0 ? -val * 2 - 1 : val * 2);
+        },
+        writeBoolean: function(val) {
+          this.writeVarint(Boolean(val));
+        },
+        writeString: function(str2) {
+          str2 = String(str2);
+          this.realloc(str2.length * 4);
+          this.pos++;
+          var startPos = this.pos;
+          this.pos = writeUtf8(this.buf, str2, this.pos);
+          var len = this.pos - startPos;
+          if (len >= 128)
+            makeRoomForExtraLength(startPos, len, this);
+          this.pos = startPos - 1;
+          this.writeVarint(len);
+          this.pos += len;
+        },
+        writeFloat: function(val) {
+          this.realloc(4);
+          ieee754.write(this.buf, val, this.pos, true, 23, 4);
+          this.pos += 4;
+        },
+        writeDouble: function(val) {
+          this.realloc(8);
+          ieee754.write(this.buf, val, this.pos, true, 52, 8);
+          this.pos += 8;
+        },
+        writeBytes: function(buffer) {
+          var len = buffer.length;
+          this.writeVarint(len);
+          this.realloc(len);
+          for (var i2 = 0; i2 < len; i2++)
+            this.buf[this.pos++] = buffer[i2];
+        },
+        writeRawMessage: function(fn, obj) {
+          this.pos++;
+          var startPos = this.pos;
+          fn(obj, this);
+          var len = this.pos - startPos;
+          if (len >= 128)
+            makeRoomForExtraLength(startPos, len, this);
+          this.pos = startPos - 1;
+          this.writeVarint(len);
+          this.pos += len;
+        },
+        writeMessage: function(tag, fn, obj) {
+          this.writeTag(tag, Pbf.Bytes);
+          this.writeRawMessage(fn, obj);
+        },
+        writePackedVarint: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedVarint, arr);
+        },
+        writePackedSVarint: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedSVarint, arr);
+        },
+        writePackedBoolean: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedBoolean, arr);
+        },
+        writePackedFloat: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedFloat, arr);
+        },
+        writePackedDouble: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedDouble, arr);
+        },
+        writePackedFixed32: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedFixed32, arr);
+        },
+        writePackedSFixed32: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedSFixed32, arr);
+        },
+        writePackedFixed64: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedFixed64, arr);
+        },
+        writePackedSFixed64: function(tag, arr) {
+          if (arr.length)
+            this.writeMessage(tag, writePackedSFixed64, arr);
+        },
+        writeBytesField: function(tag, buffer) {
+          this.writeTag(tag, Pbf.Bytes);
+          this.writeBytes(buffer);
+        },
+        writeFixed32Field: function(tag, val) {
+          this.writeTag(tag, Pbf.Fixed32);
+          this.writeFixed32(val);
+        },
+        writeSFixed32Field: function(tag, val) {
+          this.writeTag(tag, Pbf.Fixed32);
+          this.writeSFixed32(val);
+        },
+        writeFixed64Field: function(tag, val) {
+          this.writeTag(tag, Pbf.Fixed64);
+          this.writeFixed64(val);
+        },
+        writeSFixed64Field: function(tag, val) {
+          this.writeTag(tag, Pbf.Fixed64);
+          this.writeSFixed64(val);
+        },
+        writeVarintField: function(tag, val) {
+          this.writeTag(tag, Pbf.Varint);
+          this.writeVarint(val);
+        },
+        writeSVarintField: function(tag, val) {
+          this.writeTag(tag, Pbf.Varint);
+          this.writeSVarint(val);
+        },
+        writeStringField: function(tag, str2) {
+          this.writeTag(tag, Pbf.Bytes);
+          this.writeString(str2);
+        },
+        writeFloatField: function(tag, val) {
+          this.writeTag(tag, Pbf.Fixed32);
+          this.writeFloat(val);
+        },
+        writeDoubleField: function(tag, val) {
+          this.writeTag(tag, Pbf.Fixed64);
+          this.writeDouble(val);
+        },
+        writeBooleanField: function(tag, val) {
+          this.writeVarintField(tag, Boolean(val));
+        }
+      };
+      function readVarintRemainder(l, s, p) {
+        var buf = p.buf, h, b;
+        b = buf[p.pos++];
+        h = (b & 112) >> 4;
+        if (b < 128)
+          return toNum(l, h, s);
+        b = buf[p.pos++];
+        h |= (b & 127) << 3;
+        if (b < 128)
+          return toNum(l, h, s);
+        b = buf[p.pos++];
+        h |= (b & 127) << 10;
+        if (b < 128)
+          return toNum(l, h, s);
+        b = buf[p.pos++];
+        h |= (b & 127) << 17;
+        if (b < 128)
+          return toNum(l, h, s);
+        b = buf[p.pos++];
+        h |= (b & 127) << 24;
+        if (b < 128)
+          return toNum(l, h, s);
+        b = buf[p.pos++];
+        h |= (b & 1) << 31;
+        if (b < 128)
+          return toNum(l, h, s);
+        throw new Error("Expected varint not more than 10 bytes");
+      }
+      function readPackedEnd(pbf) {
+        return pbf.type === Pbf.Bytes ? pbf.readVarint() + pbf.pos : pbf.pos + 1;
+      }
+      function toNum(low, high, isSigned) {
+        if (isSigned) {
+          return high * 4294967296 + (low >>> 0);
+        }
+        return (high >>> 0) * 4294967296 + (low >>> 0);
+      }
+      function writeBigVarint(val, pbf) {
+        var low, high;
+        if (val >= 0) {
+          low = val % 4294967296 | 0;
+          high = val / 4294967296 | 0;
+        } else {
+          low = ~(-val % 4294967296);
+          high = ~(-val / 4294967296);
+          if (low ^ 4294967295) {
+            low = low + 1 | 0;
+          } else {
+            low = 0;
+            high = high + 1 | 0;
+          }
+        }
+        if (val >= 18446744073709552e3 || val < -18446744073709552e3) {
+          throw new Error("Given varint doesn't fit into 10 bytes");
+        }
+        pbf.realloc(10);
+        writeBigVarintLow(low, high, pbf);
+        writeBigVarintHigh(high, pbf);
+      }
+      function writeBigVarintLow(low, high, pbf) {
+        pbf.buf[pbf.pos++] = low & 127 | 128;
+        low >>>= 7;
+        pbf.buf[pbf.pos++] = low & 127 | 128;
+        low >>>= 7;
+        pbf.buf[pbf.pos++] = low & 127 | 128;
+        low >>>= 7;
+        pbf.buf[pbf.pos++] = low & 127 | 128;
+        low >>>= 7;
+        pbf.buf[pbf.pos] = low & 127;
+      }
+      function writeBigVarintHigh(high, pbf) {
+        var lsb = (high & 7) << 4;
+        pbf.buf[pbf.pos++] |= lsb | ((high >>>= 3) ? 128 : 0);
+        if (!high)
+          return;
+        pbf.buf[pbf.pos++] = high & 127 | ((high >>>= 7) ? 128 : 0);
+        if (!high)
+          return;
+        pbf.buf[pbf.pos++] = high & 127 | ((high >>>= 7) ? 128 : 0);
+        if (!high)
+          return;
+        pbf.buf[pbf.pos++] = high & 127 | ((high >>>= 7) ? 128 : 0);
+        if (!high)
+          return;
+        pbf.buf[pbf.pos++] = high & 127 | ((high >>>= 7) ? 128 : 0);
+        if (!high)
+          return;
+        pbf.buf[pbf.pos++] = high & 127;
+      }
+      function makeRoomForExtraLength(startPos, len, pbf) {
+        var extraLen = len <= 16383 ? 1 : len <= 2097151 ? 2 : len <= 268435455 ? 3 : Math.floor(Math.log(len) / (Math.LN2 * 7));
+        pbf.realloc(extraLen);
+        for (var i2 = pbf.pos - 1; i2 >= startPos; i2--)
+          pbf.buf[i2 + extraLen] = pbf.buf[i2];
+      }
+      function writePackedVarint(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeVarint(arr[i2]);
+      }
+      function writePackedSVarint(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeSVarint(arr[i2]);
+      }
+      function writePackedFloat(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeFloat(arr[i2]);
+      }
+      function writePackedDouble(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeDouble(arr[i2]);
+      }
+      function writePackedBoolean(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeBoolean(arr[i2]);
+      }
+      function writePackedFixed32(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeFixed32(arr[i2]);
+      }
+      function writePackedSFixed32(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeSFixed32(arr[i2]);
+      }
+      function writePackedFixed64(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeFixed64(arr[i2]);
+      }
+      function writePackedSFixed64(arr, pbf) {
+        for (var i2 = 0; i2 < arr.length; i2++)
+          pbf.writeSFixed64(arr[i2]);
+      }
+      function readUInt32(buf, pos) {
+        return (buf[pos] | buf[pos + 1] << 8 | buf[pos + 2] << 16) + buf[pos + 3] * 16777216;
+      }
+      function writeInt32(buf, val, pos) {
+        buf[pos] = val;
+        buf[pos + 1] = val >>> 8;
+        buf[pos + 2] = val >>> 16;
+        buf[pos + 3] = val >>> 24;
+      }
+      function readInt32(buf, pos) {
+        return (buf[pos] | buf[pos + 1] << 8 | buf[pos + 2] << 16) + (buf[pos + 3] << 24);
+      }
+      function readUtf8(buf, pos, end) {
+        var str2 = "";
+        var i2 = pos;
+        while (i2 < end) {
+          var b0 = buf[i2];
+          var c = null;
+          var bytesPerSequence = b0 > 239 ? 4 : b0 > 223 ? 3 : b0 > 191 ? 2 : 1;
+          if (i2 + bytesPerSequence > end)
+            break;
+          var b1, b2, b3;
+          if (bytesPerSequence === 1) {
+            if (b0 < 128) {
+              c = b0;
+            }
+          } else if (bytesPerSequence === 2) {
+            b1 = buf[i2 + 1];
+            if ((b1 & 192) === 128) {
+              c = (b0 & 31) << 6 | b1 & 63;
+              if (c <= 127) {
+                c = null;
+              }
+            }
+          } else if (bytesPerSequence === 3) {
+            b1 = buf[i2 + 1];
+            b2 = buf[i2 + 2];
+            if ((b1 & 192) === 128 && (b2 & 192) === 128) {
+              c = (b0 & 15) << 12 | (b1 & 63) << 6 | b2 & 63;
+              if (c <= 2047 || c >= 55296 && c <= 57343) {
+                c = null;
+              }
+            }
+          } else if (bytesPerSequence === 4) {
+            b1 = buf[i2 + 1];
+            b2 = buf[i2 + 2];
+            b3 = buf[i2 + 3];
+            if ((b1 & 192) === 128 && (b2 & 192) === 128 && (b3 & 192) === 128) {
+              c = (b0 & 15) << 18 | (b1 & 63) << 12 | (b2 & 63) << 6 | b3 & 63;
+              if (c <= 65535 || c >= 1114112) {
+                c = null;
+              }
+            }
+          }
+          if (c === null) {
+            c = 65533;
+            bytesPerSequence = 1;
+          } else if (c > 65535) {
+            c -= 65536;
+            str2 += String.fromCharCode(c >>> 10 & 1023 | 55296);
+            c = 56320 | c & 1023;
+          }
+          str2 += String.fromCharCode(c);
+          i2 += bytesPerSequence;
+        }
+        return str2;
+      }
+      function readUtf8TextDecoder(buf, pos, end) {
+        return utf8TextDecoder.decode(buf.subarray(pos, end));
+      }
+      function writeUtf8(buf, str2, pos) {
+        for (var i2 = 0, c, lead; i2 < str2.length; i2++) {
+          c = str2.charCodeAt(i2);
+          if (c > 55295 && c < 57344) {
+            if (lead) {
+              if (c < 56320) {
+                buf[pos++] = 239;
+                buf[pos++] = 191;
+                buf[pos++] = 189;
+                lead = c;
+                continue;
+              } else {
+                c = lead - 55296 << 10 | c - 56320 | 65536;
+                lead = null;
+              }
+            } else {
+              if (c > 56319 || i2 + 1 === str2.length) {
+                buf[pos++] = 239;
+                buf[pos++] = 191;
+                buf[pos++] = 189;
+              } else {
+                lead = c;
+              }
+              continue;
+            }
+          } else if (lead) {
+            buf[pos++] = 239;
+            buf[pos++] = 191;
+            buf[pos++] = 189;
+            lead = null;
+          }
+          if (c < 128) {
+            buf[pos++] = c;
+          } else {
+            if (c < 2048) {
+              buf[pos++] = c >> 6 | 192;
+            } else {
+              if (c < 65536) {
+                buf[pos++] = c >> 12 | 224;
+              } else {
+                buf[pos++] = c >> 18 | 240;
+                buf[pos++] = c >> 12 & 63 | 128;
+              }
+              buf[pos++] = c >> 6 & 63 | 128;
+            }
+            buf[pos++] = c & 63 | 128;
+          }
+        }
+        return pos;
+      }
+    }
+  });
+
+  // node_modules/@mapbox/point-geometry/index.js
+  var require_point_geometry = __commonJS({
+    "node_modules/@mapbox/point-geometry/index.js"(exports2, module2) {
+      "use strict";
+      module2.exports = Point;
+      function Point(x, y) {
+        this.x = x;
+        this.y = y;
+      }
+      Point.prototype = {
+        /**
+         * Clone this point, returning a new point that can be modified
+         * without affecting the old one.
+         * @return {Point} the clone
+         */
+        clone: function() {
+          return new Point(this.x, this.y);
+        },
+        /**
+         * Add this point's x & y coordinates to another point,
+         * yielding a new point.
+         * @param {Point} p the other point
+         * @return {Point} output point
+         */
+        add: function(p) {
+          return this.clone()._add(p);
+        },
+        /**
+         * Subtract this point's x & y coordinates to from point,
+         * yielding a new point.
+         * @param {Point} p the other point
+         * @return {Point} output point
+         */
+        sub: function(p) {
+          return this.clone()._sub(p);
+        },
+        /**
+         * Multiply this point's x & y coordinates by point,
+         * yielding a new point.
+         * @param {Point} p the other point
+         * @return {Point} output point
+         */
+        multByPoint: function(p) {
+          return this.clone()._multByPoint(p);
+        },
+        /**
+         * Divide this point's x & y coordinates by point,
+         * yielding a new point.
+         * @param {Point} p the other point
+         * @return {Point} output point
+         */
+        divByPoint: function(p) {
+          return this.clone()._divByPoint(p);
+        },
+        /**
+         * Multiply this point's x & y coordinates by a factor,
+         * yielding a new point.
+         * @param {Point} k factor
+         * @return {Point} output point
+         */
+        mult: function(k) {
+          return this.clone()._mult(k);
+        },
+        /**
+         * Divide this point's x & y coordinates by a factor,
+         * yielding a new point.
+         * @param {Point} k factor
+         * @return {Point} output point
+         */
+        div: function(k) {
+          return this.clone()._div(k);
+        },
+        /**
+         * Rotate this point around the 0, 0 origin by an angle a,
+         * given in radians
+         * @param {Number} a angle to rotate around, in radians
+         * @return {Point} output point
+         */
+        rotate: function(a) {
+          return this.clone()._rotate(a);
+        },
+        /**
+         * Rotate this point around p point by an angle a,
+         * given in radians
+         * @param {Number} a angle to rotate around, in radians
+         * @param {Point} p Point to rotate around
+         * @return {Point} output point
+         */
+        rotateAround: function(a, p) {
+          return this.clone()._rotateAround(a, p);
+        },
+        /**
+         * Multiply this point by a 4x1 transformation matrix
+         * @param {Array<Number>} m transformation matrix
+         * @return {Point} output point
+         */
+        matMult: function(m) {
+          return this.clone()._matMult(m);
+        },
+        /**
+         * Calculate this point but as a unit vector from 0, 0, meaning
+         * that the distance from the resulting point to the 0, 0
+         * coordinate will be equal to 1 and the angle from the resulting
+         * point to the 0, 0 coordinate will be the same as before.
+         * @return {Point} unit vector point
+         */
+        unit: function() {
+          return this.clone()._unit();
+        },
+        /**
+         * Compute a perpendicular point, where the new y coordinate
+         * is the old x coordinate and the new x coordinate is the old y
+         * coordinate multiplied by -1
+         * @return {Point} perpendicular point
+         */
+        perp: function() {
+          return this.clone()._perp();
+        },
+        /**
+         * Return a version of this point with the x & y coordinates
+         * rounded to integers.
+         * @return {Point} rounded point
+         */
+        round: function() {
+          return this.clone()._round();
+        },
+        /**
+         * Return the magitude of this point: this is the Euclidean
+         * distance from the 0, 0 coordinate to this point's x and y
+         * coordinates.
+         * @return {Number} magnitude
+         */
+        mag: function() {
+          return Math.sqrt(this.x * this.x + this.y * this.y);
+        },
+        /**
+         * Judge whether this point is equal to another point, returning
+         * true or false.
+         * @param {Point} other the other point
+         * @return {boolean} whether the points are equal
+         */
+        equals: function(other) {
+          return this.x === other.x && this.y === other.y;
+        },
+        /**
+         * Calculate the distance from this point to another point
+         * @param {Point} p the other point
+         * @return {Number} distance
+         */
+        dist: function(p) {
+          return Math.sqrt(this.distSqr(p));
+        },
+        /**
+         * Calculate the distance from this point to another point,
+         * without the square root step. Useful if you're comparing
+         * relative distances.
+         * @param {Point} p the other point
+         * @return {Number} distance
+         */
+        distSqr: function(p) {
+          var dx = p.x - this.x, dy = p.y - this.y;
+          return dx * dx + dy * dy;
+        },
+        /**
+         * Get the angle from the 0, 0 coordinate to this point, in radians
+         * coordinates.
+         * @return {Number} angle
+         */
+        angle: function() {
+          return Math.atan2(this.y, this.x);
+        },
+        /**
+         * Get the angle from this point to another point, in radians
+         * @param {Point} b the other point
+         * @return {Number} angle
+         */
+        angleTo: function(b) {
+          return Math.atan2(this.y - b.y, this.x - b.x);
+        },
+        /**
+         * Get the angle between this point and another point, in radians
+         * @param {Point} b the other point
+         * @return {Number} angle
+         */
+        angleWith: function(b) {
+          return this.angleWithSep(b.x, b.y);
+        },
+        /*
+         * Find the angle of the two vectors, solving the formula for
+         * the cross product a x b = |a||b|sin(θ) for θ.
+         * @param {Number} x the x-coordinate
+         * @param {Number} y the y-coordinate
+         * @return {Number} the angle in radians
+         */
+        angleWithSep: function(x, y) {
+          return Math.atan2(
+            this.x * y - this.y * x,
+            this.x * x + this.y * y
+          );
+        },
+        _matMult: function(m) {
+          var x = m[0] * this.x + m[1] * this.y, y = m[2] * this.x + m[3] * this.y;
+          this.x = x;
+          this.y = y;
+          return this;
+        },
+        _add: function(p) {
+          this.x += p.x;
+          this.y += p.y;
+          return this;
+        },
+        _sub: function(p) {
+          this.x -= p.x;
+          this.y -= p.y;
+          return this;
+        },
+        _mult: function(k) {
+          this.x *= k;
+          this.y *= k;
+          return this;
+        },
+        _div: function(k) {
+          this.x /= k;
+          this.y /= k;
+          return this;
+        },
+        _multByPoint: function(p) {
+          this.x *= p.x;
+          this.y *= p.y;
+          return this;
+        },
+        _divByPoint: function(p) {
+          this.x /= p.x;
+          this.y /= p.y;
+          return this;
+        },
+        _unit: function() {
+          this._div(this.mag());
+          return this;
+        },
+        _perp: function() {
+          var y = this.y;
+          this.y = this.x;
+          this.x = -y;
+          return this;
+        },
+        _rotate: function(angle2) {
+          var cos2 = Math.cos(angle2), sin2 = Math.sin(angle2), x = cos2 * this.x - sin2 * this.y, y = sin2 * this.x + cos2 * this.y;
+          this.x = x;
+          this.y = y;
+          return this;
+        },
+        _rotateAround: function(angle2, p) {
+          var cos2 = Math.cos(angle2), sin2 = Math.sin(angle2), x = p.x + cos2 * (this.x - p.x) - sin2 * (this.y - p.y), y = p.y + sin2 * (this.x - p.x) + cos2 * (this.y - p.y);
+          this.x = x;
+          this.y = y;
+          return this;
+        },
+        _round: function() {
+          this.x = Math.round(this.x);
+          this.y = Math.round(this.y);
+          return this;
+        }
+      };
+      Point.convert = function(a) {
+        if (a instanceof Point) {
+          return a;
+        }
+        if (Array.isArray(a)) {
+          return new Point(a[0], a[1]);
+        }
+        return a;
+      };
+    }
+  });
+
+  // node_modules/@mapbox/vector-tile/lib/vectortilefeature.js
+  var require_vectortilefeature = __commonJS({
+    "node_modules/@mapbox/vector-tile/lib/vectortilefeature.js"(exports2, module2) {
+      "use strict";
+      var Point = require_point_geometry();
+      module2.exports = VectorTileFeature;
+      function VectorTileFeature(pbf, end, extent, keys2, values) {
+        this.properties = {};
+        this.extent = extent;
+        this.type = 0;
+        this._pbf = pbf;
+        this._geometry = -1;
+        this._keys = keys2;
+        this._values = values;
+        pbf.readFields(readFeature, this, end);
+      }
+      function readFeature(tag, feature3, pbf) {
+        if (tag == 1)
+          feature3.id = pbf.readVarint();
+        else if (tag == 2)
+          readTag(pbf, feature3);
+        else if (tag == 3)
+          feature3.type = pbf.readVarint();
+        else if (tag == 4)
+          feature3._geometry = pbf.pos;
+      }
+      function readTag(pbf, feature3) {
+        var end = pbf.readVarint() + pbf.pos;
+        while (pbf.pos < end) {
+          var key = feature3._keys[pbf.readVarint()], value = feature3._values[pbf.readVarint()];
+          feature3.properties[key] = value;
+        }
+      }
+      VectorTileFeature.types = ["Unknown", "Point", "LineString", "Polygon"];
+      VectorTileFeature.prototype.loadGeometry = function() {
+        var pbf = this._pbf;
+        pbf.pos = this._geometry;
+        var end = pbf.readVarint() + pbf.pos, cmd = 1, length = 0, x = 0, y = 0, lines = [], line;
+        while (pbf.pos < end) {
+          if (length <= 0) {
+            var cmdLen = pbf.readVarint();
+            cmd = cmdLen & 7;
+            length = cmdLen >> 3;
+          }
+          length--;
+          if (cmd === 1 || cmd === 2) {
+            x += pbf.readSVarint();
+            y += pbf.readSVarint();
+            if (cmd === 1) {
+              if (line)
+                lines.push(line);
+              line = [];
+            }
+            line.push(new Point(x, y));
+          } else if (cmd === 7) {
+            if (line) {
+              line.push(line[0].clone());
+            }
+          } else {
+            throw new Error("unknown command " + cmd);
+          }
+        }
+        if (line)
+          lines.push(line);
+        return lines;
+      };
+      VectorTileFeature.prototype.bbox = function() {
+        var pbf = this._pbf;
+        pbf.pos = this._geometry;
+        var end = pbf.readVarint() + pbf.pos, cmd = 1, length = 0, x = 0, y = 0, x12 = Infinity, x2 = -Infinity, y12 = Infinity, y2 = -Infinity;
+        while (pbf.pos < end) {
+          if (length <= 0) {
+            var cmdLen = pbf.readVarint();
+            cmd = cmdLen & 7;
+            length = cmdLen >> 3;
+          }
+          length--;
+          if (cmd === 1 || cmd === 2) {
+            x += pbf.readSVarint();
+            y += pbf.readSVarint();
+            if (x < x12)
+              x12 = x;
+            if (x > x2)
+              x2 = x;
+            if (y < y12)
+              y12 = y;
+            if (y > y2)
+              y2 = y;
+          } else if (cmd !== 7) {
+            throw new Error("unknown command " + cmd);
+          }
+        }
+        return [x12, y12, x2, y2];
+      };
+      VectorTileFeature.prototype.toGeoJSON = function(x, y, z) {
+        var size = this.extent * Math.pow(2, z), x05 = this.extent * x, y05 = this.extent * y, coords = this.loadGeometry(), type2 = VectorTileFeature.types[this.type], i2, j2;
+        function project(line) {
+          for (var j3 = 0; j3 < line.length; j3++) {
+            var p = line[j3], y2 = 180 - (p.y + y05) * 360 / size;
+            line[j3] = [
+              (p.x + x05) * 360 / size - 180,
+              360 / Math.PI * Math.atan(Math.exp(y2 * Math.PI / 180)) - 90
+            ];
+          }
+        }
+        switch (this.type) {
+          case 1:
+            var points = [];
+            for (i2 = 0; i2 < coords.length; i2++) {
+              points[i2] = coords[i2][0];
+            }
+            coords = points;
+            project(coords);
+            break;
+          case 2:
+            for (i2 = 0; i2 < coords.length; i2++) {
+              project(coords[i2]);
+            }
+            break;
+          case 3:
+            coords = classifyRings(coords);
+            for (i2 = 0; i2 < coords.length; i2++) {
+              for (j2 = 0; j2 < coords[i2].length; j2++) {
+                project(coords[i2][j2]);
+              }
+            }
+            break;
+        }
+        if (coords.length === 1) {
+          coords = coords[0];
+        } else {
+          type2 = "Multi" + type2;
+        }
+        var result = {
+          type: "Feature",
+          geometry: {
+            type: type2,
+            coordinates: coords
+          },
+          properties: this.properties
+        };
+        if ("id" in this) {
+          result.id = this.id;
+        }
+        return result;
+      };
+      function classifyRings(rings) {
+        var len = rings.length;
+        if (len <= 1)
+          return [rings];
+        var polygons = [], polygon2, ccw;
+        for (var i2 = 0; i2 < len; i2++) {
+          var area = signedArea(rings[i2]);
+          if (area === 0)
+            continue;
+          if (ccw === void 0)
+            ccw = area < 0;
+          if (ccw === area < 0) {
+            if (polygon2)
+              polygons.push(polygon2);
+            polygon2 = [rings[i2]];
+          } else {
+            polygon2.push(rings[i2]);
+          }
+        }
+        if (polygon2)
+          polygons.push(polygon2);
+        return polygons;
+      }
+      function signedArea(ring) {
+        var sum = 0;
+        for (var i2 = 0, len = ring.length, j2 = len - 1, p1, p2; i2 < len; j2 = i2++) {
+          p1 = ring[i2];
+          p2 = ring[j2];
+          sum += (p2.x - p1.x) * (p1.y + p2.y);
+        }
+        return sum;
+      }
+    }
+  });
+
+  // node_modules/@mapbox/vector-tile/lib/vectortilelayer.js
+  var require_vectortilelayer = __commonJS({
+    "node_modules/@mapbox/vector-tile/lib/vectortilelayer.js"(exports2, module2) {
+      "use strict";
+      var VectorTileFeature = require_vectortilefeature();
+      module2.exports = VectorTileLayer;
+      function VectorTileLayer(pbf, end) {
+        this.version = 1;
+        this.name = null;
+        this.extent = 4096;
+        this.length = 0;
+        this._pbf = pbf;
+        this._keys = [];
+        this._values = [];
+        this._features = [];
+        pbf.readFields(readLayer, this, end);
+        this.length = this._features.length;
+      }
+      function readLayer(tag, layer, pbf) {
+        if (tag === 15)
+          layer.version = pbf.readVarint();
+        else if (tag === 1)
+          layer.name = pbf.readString();
+        else if (tag === 5)
+          layer.extent = pbf.readVarint();
+        else if (tag === 2)
+          layer._features.push(pbf.pos);
+        else if (tag === 3)
+          layer._keys.push(pbf.readString());
+        else if (tag === 4)
+          layer._values.push(readValueMessage(pbf));
+      }
+      function readValueMessage(pbf) {
+        var value = null, end = pbf.readVarint() + pbf.pos;
+        while (pbf.pos < end) {
+          var tag = pbf.readVarint() >> 3;
+          value = tag === 1 ? pbf.readString() : tag === 2 ? pbf.readFloat() : tag === 3 ? pbf.readDouble() : tag === 4 ? pbf.readVarint64() : tag === 5 ? pbf.readVarint() : tag === 6 ? pbf.readSVarint() : tag === 7 ? pbf.readBoolean() : null;
+        }
+        return value;
+      }
+      VectorTileLayer.prototype.feature = function(i2) {
+        if (i2 < 0 || i2 >= this._features.length)
+          throw new Error("feature index out of bounds");
+        this._pbf.pos = this._features[i2];
+        var end = this._pbf.readVarint() + this._pbf.pos;
+        return new VectorTileFeature(this._pbf, end, this.extent, this._keys, this._values);
+      };
+    }
+  });
+
+  // node_modules/@mapbox/vector-tile/lib/vectortile.js
+  var require_vectortile = __commonJS({
+    "node_modules/@mapbox/vector-tile/lib/vectortile.js"(exports2, module2) {
+      "use strict";
+      var VectorTileLayer = require_vectortilelayer();
+      module2.exports = VectorTile2;
+      function VectorTile2(pbf, end) {
+        this.layers = pbf.readFields(readTile, {}, end);
+      }
+      function readTile(tag, layers, pbf) {
+        if (tag === 3) {
+          var layer = new VectorTileLayer(pbf, pbf.readVarint() + pbf.pos);
+          if (layer.length)
+            layers[layer.name] = layer;
+        }
+      }
+    }
+  });
+
+  // node_modules/@mapbox/vector-tile/index.js
+  var require_vector_tile = __commonJS({
+    "node_modules/@mapbox/vector-tile/index.js"(exports2, module2) {
+      module2.exports.VectorTile = require_vectortile();
+      module2.exports.VectorTileFeature = require_vectortilefeature();
+      module2.exports.VectorTileLayer = require_vectortilelayer();
+    }
+  });
+
+  // node_modules/fast-json-stable-stringify/index.js
+  var require_fast_json_stable_stringify = __commonJS({
+    "node_modules/fast-json-stable-stringify/index.js"(exports2, module2) {
+      "use strict";
+      module2.exports = function(data, opts) {
+        if (!opts)
+          opts = {};
+        if (typeof opts === "function")
+          opts = { cmp: opts };
+        var cycles = typeof opts.cycles === "boolean" ? opts.cycles : false;
+        var cmp = opts.cmp && function(f2) {
+          return function(node) {
+            return function(a, b) {
+              var aobj = { key: a, value: node[a] };
+              var bobj = { key: b, value: node[b] };
+              return f2(aobj, bobj);
+            };
+          };
+        }(opts.cmp);
+        var seen = [];
+        return function stringify3(node) {
+          if (node && node.toJSON && typeof node.toJSON === "function") {
+            node = node.toJSON();
+          }
+          if (node === void 0)
+            return;
+          if (typeof node == "number")
+            return isFinite(node) ? "" + node : "null";
+          if (typeof node !== "object")
+            return JSON.stringify(node);
+          var i2, out;
+          if (Array.isArray(node)) {
+            out = "[";
+            for (i2 = 0; i2 < node.length; i2++) {
+              if (i2)
+                out += ",";
+              out += stringify3(node[i2]) || "null";
+            }
+            return out + "]";
+          }
+          if (node === null)
+            return "null";
+          if (seen.indexOf(node) !== -1) {
+            if (cycles)
+              return JSON.stringify("__cycle__");
+            throw new TypeError("Converting circular structure to JSON");
+          }
+          var seenIndex = seen.push(node) - 1;
+          var keys2 = Object.keys(node).sort(cmp && cmp(node));
+          out = "";
+          for (i2 = 0; i2 < keys2.length; i2++) {
+            var key = keys2[i2];
+            var value = stringify3(node[key]);
+            if (!value)
+              continue;
+            if (out)
+              out += ",";
+            out += JSON.stringify(key) + ":" + value;
+          }
+          seen.splice(seenIndex, 1);
+          return "{" + out + "}";
+        }(data);
+      };
+    }
+  });
+
+  // node_modules/@mapbox/sexagesimal/index.js
+  var require_sexagesimal = __commonJS({
+    "node_modules/@mapbox/sexagesimal/index.js"(exports2, module2) {
+      module2.exports = element;
+      module2.exports.pair = pair2;
+      module2.exports.format = format2;
+      module2.exports.formatPair = formatPair;
+      module2.exports.coordToDMS = coordToDMS;
+      function element(input, dims) {
+        var result = search(input, dims);
+        return result === null ? null : result.val;
+      }
+      function formatPair(input) {
+        return format2(input.lat, "lat") + " " + format2(input.lon, "lon");
+      }
+      function format2(input, dim) {
+        var dms = coordToDMS(input, dim);
+        return dms.whole + "\xB0 " + (dms.minutes ? dms.minutes + "' " : "") + (dms.seconds ? dms.seconds + '" ' : "") + dms.dir;
+      }
+      function coordToDMS(input, dim) {
+        var dirs = { lat: ["N", "S"], lon: ["E", "W"] }[dim] || "";
+        var dir = dirs[input >= 0 ? 0 : 1];
+        var abs3 = Math.abs(input);
+        var whole = Math.floor(abs3);
+        var fraction = abs3 - whole;
+        var fractionMinutes = fraction * 60;
+        var minutes = Math.floor(fractionMinutes);
+        var seconds = Math.floor((fractionMinutes - minutes) * 60);
+        return {
+          whole,
+          minutes,
+          seconds,
+          dir
+        };
+      }
+      function search(input, dims) {
+        if (!dims)
+          dims = "NSEW";
+        if (typeof input !== "string")
+          return null;
+        input = input.toUpperCase();
+        var regex = /^[\s\,]*([NSEW])?\s*([\-|\—|\―]?[0-9.]+)[°º˚]?\s*(?:([0-9.]+)['’′‘]\s*)?(?:([0-9.]+)(?:''|"|”|″)\s*)?([NSEW])?/;
+        var m = input.match(regex);
+        if (!m)
+          return null;
+        var matched = m[0];
+        var dim;
+        if (m[1] && m[5]) {
+          dim = m[1];
+          matched = matched.slice(0, -1);
+        } else {
+          dim = m[1] || m[5];
+        }
+        if (dim && dims.indexOf(dim) === -1)
+          return null;
+        var deg = m[2] ? parseFloat(m[2]) : 0;
+        var min3 = m[3] ? parseFloat(m[3]) / 60 : 0;
+        var sec = m[4] ? parseFloat(m[4]) / 3600 : 0;
+        var sign2 = deg < 0 ? -1 : 1;
+        if (dim === "S" || dim === "W")
+          sign2 *= -1;
+        return {
+          val: (Math.abs(deg) + min3 + sec) * sign2,
+          dim,
+          matched,
+          remain: input.slice(matched.length)
+        };
+      }
+      function pair2(input, dims) {
+        input = input.trim();
+        var one2 = search(input, dims);
+        if (!one2)
+          return null;
+        input = one2.remain.trim();
+        var two = search(input, dims);
+        if (!two || two.remain)
+          return null;
+        if (one2.dim) {
+          return swapdim(one2.val, two.val, one2.dim);
+        } else {
+          return [one2.val, two.val];
+        }
+      }
+      function swapdim(a, b, dim) {
+        if (dim === "N" || dim === "S")
+          return [a, b];
+        if (dim === "W" || dim === "E")
+          return [b, a];
+      }
+    }
+  });
+
+  // node_modules/store/src/util.js
+  var require_util = __commonJS({
+    "node_modules/store/src/util.js"(exports2, module2) {
+      var assign = make_assign();
+      var create2 = make_create();
+      var trim = make_trim();
+      var Global = typeof window !== "undefined" ? window : global;
+      module2.exports = {
+        assign,
+        create: create2,
+        trim,
+        bind,
+        slice,
+        each,
+        map: map2,
+        pluck,
+        isList,
+        isFunction: isFunction2,
+        isObject: isObject3,
+        Global
+      };
+      function make_assign() {
+        if (Object.assign) {
+          return Object.assign;
+        } else {
+          return function shimAssign(obj, props1, props2, etc) {
+            for (var i2 = 1; i2 < arguments.length; i2++) {
+              each(Object(arguments[i2]), function(val, key) {
+                obj[key] = val;
+              });
+            }
+            return obj;
+          };
+        }
+      }
+      function make_create() {
+        if (Object.create) {
+          return function create3(obj, assignProps1, assignProps2, etc) {
+            var assignArgsList = slice(arguments, 1);
+            return assign.apply(this, [Object.create(obj)].concat(assignArgsList));
+          };
+        } else {
+          let F2 = function() {
+          };
+          var F = F2;
+          return function create3(obj, assignProps1, assignProps2, etc) {
+            var assignArgsList = slice(arguments, 1);
+            F2.prototype = obj;
+            return assign.apply(this, [new F2()].concat(assignArgsList));
+          };
+        }
+      }
+      function make_trim() {
+        if (String.prototype.trim) {
+          return function trim2(str2) {
+            return String.prototype.trim.call(str2);
+          };
+        } else {
+          return function trim2(str2) {
+            return str2.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, "");
+          };
+        }
+      }
+      function bind(obj, fn) {
+        return function() {
+          return fn.apply(obj, Array.prototype.slice.call(arguments, 0));
+        };
+      }
+      function slice(arr, index) {
+        return Array.prototype.slice.call(arr, index || 0);
+      }
+      function each(obj, fn) {
+        pluck(obj, function(val, key) {
+          fn(val, key);
+          return false;
+        });
+      }
+      function map2(obj, fn) {
+        var res = isList(obj) ? [] : {};
+        pluck(obj, function(v, k) {
+          res[k] = fn(v, k);
+          return false;
+        });
+        return res;
+      }
+      function pluck(obj, fn) {
+        if (isList(obj)) {
+          for (var i2 = 0; i2 < obj.length; i2++) {
+            if (fn(obj[i2], i2)) {
+              return obj[i2];
+            }
+          }
+        } else {
+          for (var key in obj) {
+            if (obj.hasOwnProperty(key)) {
+              if (fn(obj[key], key)) {
+                return obj[key];
+              }
+            }
+          }
+        }
+      }
+      function isList(val) {
+        return val != null && typeof val != "function" && typeof val.length == "number";
+      }
+      function isFunction2(val) {
+        return val && {}.toString.call(val) === "[object Function]";
+      }
+      function isObject3(val) {
+        return val && {}.toString.call(val) === "[object Object]";
+      }
+    }
+  });
+
+  // node_modules/store/src/store-engine.js
+  var require_store_engine = __commonJS({
+    "node_modules/store/src/store-engine.js"(exports2, module2) {
+      var util = require_util();
+      var slice = util.slice;
+      var pluck = util.pluck;
+      var each = util.each;
+      var bind = util.bind;
+      var create2 = util.create;
+      var isList = util.isList;
+      var isFunction2 = util.isFunction;
+      var isObject3 = util.isObject;
+      module2.exports = {
+        createStore
+      };
+      var storeAPI = {
+        version: "2.0.12",
+        enabled: false,
+        // get returns the value of the given key. If that value
+        // is undefined, it returns optionalDefaultValue instead.
+        get: function(key, optionalDefaultValue) {
+          var data = this.storage.read(this._namespacePrefix + key);
+          return this._deserialize(data, optionalDefaultValue);
+        },
+        // set will store the given value at key and returns value.
+        // Calling set with value === undefined is equivalent to calling remove.
+        set: function(key, value) {
+          if (value === void 0) {
+            return this.remove(key);
+          }
+          this.storage.write(this._namespacePrefix + key, this._serialize(value));
+          return value;
+        },
+        // remove deletes the key and value stored at the given key.
+        remove: function(key) {
+          this.storage.remove(this._namespacePrefix + key);
+        },
+        // each will call the given callback once for each key-value pair
+        // in this store.
+        each: function(callback) {
+          var self2 = this;
+          this.storage.each(function(val, namespacedKey) {
+            callback.call(self2, self2._deserialize(val), (namespacedKey || "").replace(self2._namespaceRegexp, ""));
+          });
+        },
+        // clearAll will remove all the stored key-value pairs in this store.
+        clearAll: function() {
+          this.storage.clearAll();
+        },
+        // additional functionality that can't live in plugins
+        // ---------------------------------------------------
+        // hasNamespace returns true if this store instance has the given namespace.
+        hasNamespace: function(namespace) {
+          return this._namespacePrefix == "__storejs_" + namespace + "_";
+        },
+        // createStore creates a store.js instance with the first
+        // functioning storage in the list of storage candidates,
+        // and applies the the given mixins to the instance.
+        createStore: function() {
+          return createStore.apply(this, arguments);
+        },
+        addPlugin: function(plugin) {
+          this._addPlugin(plugin);
+        },
+        namespace: function(namespace) {
+          return createStore(this.storage, this.plugins, namespace);
+        }
+      };
+      function _warn() {
+        var _console = typeof console == "undefined" ? null : console;
+        if (!_console) {
+          return;
+        }
+        var fn = _console.warn ? _console.warn : _console.log;
+        fn.apply(_console, arguments);
+      }
+      function createStore(storages, plugins, namespace) {
+        if (!namespace) {
+          namespace = "";
+        }
+        if (storages && !isList(storages)) {
+          storages = [storages];
+        }
+        if (plugins && !isList(plugins)) {
+          plugins = [plugins];
+        }
+        var namespacePrefix = namespace ? "__storejs_" + namespace + "_" : "";
+        var namespaceRegexp = namespace ? new RegExp("^" + namespacePrefix) : null;
+        var legalNamespaces = /^[a-zA-Z0-9_\-]*$/;
+        if (!legalNamespaces.test(namespace)) {
+          throw new Error("store.js namespaces can only have alphanumerics + underscores and dashes");
+        }
+        var _privateStoreProps = {
+          _namespacePrefix: namespacePrefix,
+          _namespaceRegexp: namespaceRegexp,
+          _testStorage: function(storage) {
+            try {
+              var testStr = "__storejs__test__";
+              storage.write(testStr, testStr);
+              var ok = storage.read(testStr) === testStr;
+              storage.remove(testStr);
+              return ok;
+            } catch (e) {
+              return false;
+            }
+          },
+          _assignPluginFnProp: function(pluginFnProp, propName) {
+            var oldFn = this[propName];
+            this[propName] = function pluginFn() {
+              var args = slice(arguments, 0);
+              var self2 = this;
+              function super_fn() {
+                if (!oldFn) {
+                  return;
+                }
+                each(arguments, function(arg, i2) {
+                  args[i2] = arg;
+                });
+                return oldFn.apply(self2, args);
+              }
+              var newFnArgs = [super_fn].concat(args);
+              return pluginFnProp.apply(self2, newFnArgs);
+            };
+          },
+          _serialize: function(obj) {
+            return JSON.stringify(obj);
+          },
+          _deserialize: function(strVal, defaultVal) {
+            if (!strVal) {
+              return defaultVal;
+            }
+            var val = "";
+            try {
+              val = JSON.parse(strVal);
+            } catch (e) {
+              val = strVal;
+            }
+            return val !== void 0 ? val : defaultVal;
+          },
+          _addStorage: function(storage) {
+            if (this.enabled) {
+              return;
+            }
+            if (this._testStorage(storage)) {
+              this.storage = storage;
+              this.enabled = true;
+            }
+          },
+          _addPlugin: function(plugin) {
+            var self2 = this;
+            if (isList(plugin)) {
+              each(plugin, function(plugin2) {
+                self2._addPlugin(plugin2);
+              });
+              return;
+            }
+            var seenPlugin = pluck(this.plugins, function(seenPlugin2) {
+              return plugin === seenPlugin2;
+            });
+            if (seenPlugin) {
+              return;
+            }
+            this.plugins.push(plugin);
+            if (!isFunction2(plugin)) {
+              throw new Error("Plugins must be function values that return objects");
+            }
+            var pluginProperties = plugin.call(this);
+            if (!isObject3(pluginProperties)) {
+              throw new Error("Plugins must return an object of function properties");
+            }
+            each(pluginProperties, function(pluginFnProp, propName) {
+              if (!isFunction2(pluginFnProp)) {
+                throw new Error("Bad plugin property: " + propName + " from plugin " + plugin.name + ". Plugins should only return functions.");
+              }
+              self2._assignPluginFnProp(pluginFnProp, propName);
+            });
+          },
+          // Put deprecated properties in the private API, so as to not expose it to accidential
+          // discovery through inspection of the store object.
+          // Deprecated: addStorage
+          addStorage: function(storage) {
+            _warn("store.addStorage(storage) is deprecated. Use createStore([storages])");
+            this._addStorage(storage);
+          }
+        };
+        var store2 = create2(_privateStoreProps, storeAPI, {
+          plugins: []
+        });
+        store2.raw = {};
+        each(store2, function(prop, propName) {
+          if (isFunction2(prop)) {
+            store2.raw[propName] = bind(store2, prop);
+          }
+        });
+        each(storages, function(storage) {
+          store2._addStorage(storage);
+        });
+        each(plugins, function(plugin) {
+          store2._addPlugin(plugin);
+        });
+        return store2;
+      }
+    }
+  });
+
+  // node_modules/store/storages/localStorage.js
+  var require_localStorage = __commonJS({
+    "node_modules/store/storages/localStorage.js"(exports2, module2) {
+      var util = require_util();
+      var Global = util.Global;
+      module2.exports = {
+        name: "localStorage",
+        read,
+        write,
+        each,
+        remove: remove2,
+        clearAll
+      };
+      function localStorage2() {
+        return Global.localStorage;
+      }
+      function read(key) {
+        return localStorage2().getItem(key);
+      }
+      function write(key, data) {
+        return localStorage2().setItem(key, data);
+      }
+      function each(fn) {
+        for (var i2 = localStorage2().length - 1; i2 >= 0; i2--) {
+          var key = localStorage2().key(i2);
+          fn(read(key), key);
+        }
+      }
+      function remove2(key) {
+        return localStorage2().removeItem(key);
+      }
+      function clearAll() {
+        return localStorage2().clear();
+      }
+    }
+  });
+
+  // node_modules/store/storages/oldFF-globalStorage.js
+  var require_oldFF_globalStorage = __commonJS({
+    "node_modules/store/storages/oldFF-globalStorage.js"(exports2, module2) {
+      var util = require_util();
+      var Global = util.Global;
+      module2.exports = {
+        name: "oldFF-globalStorage",
+        read,
+        write,
+        each,
+        remove: remove2,
+        clearAll
+      };
+      var globalStorage = Global.globalStorage;
+      function read(key) {
+        return globalStorage[key];
+      }
+      function write(key, data) {
+        globalStorage[key] = data;
+      }
+      function each(fn) {
+        for (var i2 = globalStorage.length - 1; i2 >= 0; i2--) {
+          var key = globalStorage.key(i2);
+          fn(globalStorage[key], key);
+        }
+      }
+      function remove2(key) {
+        return globalStorage.removeItem(key);
+      }
+      function clearAll() {
+        each(function(key, _) {
+          delete globalStorage[key];
+        });
+      }
+    }
+  });
+
+  // node_modules/store/storages/oldIE-userDataStorage.js
+  var require_oldIE_userDataStorage = __commonJS({
+    "node_modules/store/storages/oldIE-userDataStorage.js"(exports2, module2) {
+      var util = require_util();
+      var Global = util.Global;
+      module2.exports = {
+        name: "oldIE-userDataStorage",
+        write,
+        read,
+        each,
+        remove: remove2,
+        clearAll
+      };
+      var storageName = "storejs";
+      var doc = Global.document;
+      var _withStorageEl = _makeIEStorageElFunction();
+      var disable = (Global.navigator ? Global.navigator.userAgent : "").match(/ (MSIE 8|MSIE 9|MSIE 10)\./);
+      function write(unfixedKey, data) {
+        if (disable) {
+          return;
+        }
+        var fixedKey = fixKey(unfixedKey);
+        _withStorageEl(function(storageEl) {
+          storageEl.setAttribute(fixedKey, data);
+          storageEl.save(storageName);
+        });
+      }
+      function read(unfixedKey) {
+        if (disable) {
+          return;
+        }
+        var fixedKey = fixKey(unfixedKey);
+        var res = null;
+        _withStorageEl(function(storageEl) {
+          res = storageEl.getAttribute(fixedKey);
+        });
+        return res;
+      }
+      function each(callback) {
+        _withStorageEl(function(storageEl) {
+          var attributes = storageEl.XMLDocument.documentElement.attributes;
+          for (var i2 = attributes.length - 1; i2 >= 0; i2--) {
+            var attr = attributes[i2];
+            callback(storageEl.getAttribute(attr.name), attr.name);
+          }
+        });
+      }
+      function remove2(unfixedKey) {
+        var fixedKey = fixKey(unfixedKey);
+        _withStorageEl(function(storageEl) {
+          storageEl.removeAttribute(fixedKey);
+          storageEl.save(storageName);
+        });
+      }
+      function clearAll() {
+        _withStorageEl(function(storageEl) {
+          var attributes = storageEl.XMLDocument.documentElement.attributes;
+          storageEl.load(storageName);
+          for (var i2 = attributes.length - 1; i2 >= 0; i2--) {
+            storageEl.removeAttribute(attributes[i2].name);
+          }
+          storageEl.save(storageName);
+        });
+      }
+      var forbiddenCharsRegex = new RegExp("[!\"#$%&'()*+,/\\\\:;<=>?@[\\]^`{|}~]", "g");
+      function fixKey(key) {
+        return key.replace(/^\d/, "___$&").replace(forbiddenCharsRegex, "___");
+      }
+      function _makeIEStorageElFunction() {
+        if (!doc || !doc.documentElement || !doc.documentElement.addBehavior) {
+          return null;
+        }
+        var scriptTag = "script", storageOwner, storageContainer, storageEl;
+        try {
+          storageContainer = new ActiveXObject("htmlfile");
+          storageContainer.open();
+          storageContainer.write("<" + scriptTag + ">document.w=window</" + scriptTag + '><iframe src="/favicon.ico"></iframe>');
+          storageContainer.close();
+          storageOwner = storageContainer.w.frames[0].document;
+          storageEl = storageOwner.createElement("div");
+        } catch (e) {
+          storageEl = doc.createElement("div");
+          storageOwner = doc.body;
+        }
+        return function(storeFunction) {
+          var args = [].slice.call(arguments, 0);
+          args.unshift(storageEl);
+          storageOwner.appendChild(storageEl);
+          storageEl.addBehavior("#default#userData");
+          storageEl.load(storageName);
+          storeFunction.apply(this, args);
+          storageOwner.removeChild(storageEl);
+          return;
+        };
+      }
+    }
+  });
+
+  // node_modules/store/storages/cookieStorage.js
+  var require_cookieStorage = __commonJS({
+    "node_modules/store/storages/cookieStorage.js"(exports2, module2) {
+      var util = require_util();
+      var Global = util.Global;
+      var trim = util.trim;
+      module2.exports = {
+        name: "cookieStorage",
+        read,
+        write,
+        each,
+        remove: remove2,
+        clearAll
+      };
+      var doc = Global.document;
+      function read(key) {
+        if (!key || !_has(key)) {
+          return null;
+        }
+        var regexpStr = "(?:^|.*;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=\\s*((?:[^;](?!;))*[^;]?).*";
+        return unescape(doc.cookie.replace(new RegExp(regexpStr), "$1"));
+      }
+      function each(callback) {
+        var cookies = doc.cookie.split(/; ?/g);
+        for (var i2 = cookies.length - 1; i2 >= 0; i2--) {
+          if (!trim(cookies[i2])) {
+            continue;
+          }
+          var kvp = cookies[i2].split("=");
+          var key = unescape(kvp[0]);
+          var val = unescape(kvp[1]);
+          callback(val, key);
+        }
+      }
+      function write(key, data) {
+        if (!key) {
+          return;
+        }
+        doc.cookie = escape(key) + "=" + escape(data) + "; expires=Tue, 19 Jan 2038 03:14:07 GMT; path=/";
+      }
+      function remove2(key) {
+        if (!key || !_has(key)) {
+          return;
+        }
+        doc.cookie = escape(key) + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/";
+      }
+      function clearAll() {
+        each(function(_, key) {
+          remove2(key);
+        });
+      }
+      function _has(key) {
+        return new RegExp("(?:^|;\\s*)" + escape(key).replace(/[\-\.\+\*]/g, "\\$&") + "\\s*\\=").test(doc.cookie);
+      }
+    }
+  });
+
+  // node_modules/store/storages/sessionStorage.js
+  var require_sessionStorage = __commonJS({
+    "node_modules/store/storages/sessionStorage.js"(exports2, module2) {
+      var util = require_util();
+      var Global = util.Global;
+      module2.exports = {
+        name: "sessionStorage",
+        read,
+        write,
+        each,
+        remove: remove2,
+        clearAll
+      };
+      function sessionStorage() {
+        return Global.sessionStorage;
+      }
+      function read(key) {
+        return sessionStorage().getItem(key);
+      }
+      function write(key, data) {
+        return sessionStorage().setItem(key, data);
+      }
+      function each(fn) {
+        for (var i2 = sessionStorage().length - 1; i2 >= 0; i2--) {
+          var key = sessionStorage().key(i2);
+          fn(read(key), key);
+        }
+      }
+      function remove2(key) {
+        return sessionStorage().removeItem(key);
+      }
+      function clearAll() {
+        return sessionStorage().clear();
+      }
+    }
+  });
+
+  // node_modules/store/storages/memoryStorage.js
+  var require_memoryStorage = __commonJS({
+    "node_modules/store/storages/memoryStorage.js"(exports2, module2) {
+      module2.exports = {
+        name: "memoryStorage",
+        read,
+        write,
+        each,
+        remove: remove2,
+        clearAll
+      };
+      var memoryStorage = {};
+      function read(key) {
+        return memoryStorage[key];
+      }
+      function write(key, data) {
+        memoryStorage[key] = data;
+      }
+      function each(callback) {
+        for (var key in memoryStorage) {
+          if (memoryStorage.hasOwnProperty(key)) {
+            callback(memoryStorage[key], key);
+          }
+        }
+      }
+      function remove2(key) {
+        delete memoryStorage[key];
+      }
+      function clearAll(key) {
+        memoryStorage = {};
+      }
+    }
+  });
+
+  // node_modules/store/storages/all.js
+  var require_all = __commonJS({
+    "node_modules/store/storages/all.js"(exports2, module2) {
+      module2.exports = [
+        // Listed in order of usage preference
+        require_localStorage(),
+        require_oldFF_globalStorage(),
+        require_oldIE_userDataStorage(),
+        require_cookieStorage(),
+        require_sessionStorage(),
+        require_memoryStorage()
+      ];
+    }
+  });
+
+  // node_modules/store/plugins/lib/json2.js
+  var require_json2 = __commonJS({
+    "node_modules/store/plugins/lib/json2.js"(exports, module) {
+      if (typeof JSON !== "object") {
+        JSON = {};
+      }
+      (function() {
+        "use strict";
+        var rx_one = /^[\],:{}\s]*$/;
+        var rx_two = /\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g;
+        var rx_three = /"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g;
+        var rx_four = /(?:^|:|,)(?:\s*\[)+/g;
+        var rx_escapable = /[\\"\u0000-\u001f\u007f-\u009f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+        var rx_dangerous = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
+        function f(n2) {
+          return n2 < 10 ? "0" + n2 : n2;
+        }
+        function this_value() {
+          return this.valueOf();
+        }
+        if (typeof Date.prototype.toJSON !== "function") {
+          Date.prototype.toJSON = function() {
+            return isFinite(this.valueOf()) ? this.getUTCFullYear() + "-" + f(this.getUTCMonth() + 1) + "-" + f(this.getUTCDate()) + "T" + f(this.getUTCHours()) + ":" + f(this.getUTCMinutes()) + ":" + f(this.getUTCSeconds()) + "Z" : null;
+          };
+          Boolean.prototype.toJSON = this_value;
+          Number.prototype.toJSON = this_value;
+          String.prototype.toJSON = this_value;
+        }
+        var gap;
+        var indent;
+        var meta;
+        var rep;
+        function quote(string) {
+          rx_escapable.lastIndex = 0;
+          return rx_escapable.test(string) ? '"' + string.replace(rx_escapable, function(a) {
+            var c = meta[a];
+            return typeof c === "string" ? c : "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
+          }) + '"' : '"' + string + '"';
+        }
+        function str(key, holder) {
+          var i2;
+          var k;
+          var v;
+          var length;
+          var mind = gap;
+          var partial;
+          var value = holder[key];
+          if (value && typeof value === "object" && typeof value.toJSON === "function") {
+            value = value.toJSON(key);
+          }
+          if (typeof rep === "function") {
+            value = rep.call(holder, key, value);
+          }
+          switch (typeof value) {
+            case "string":
+              return quote(value);
+            case "number":
+              return isFinite(value) ? String(value) : "null";
+            case "boolean":
+            case "null":
+              return String(value);
+            case "object":
+              if (!value) {
+                return "null";
+              }
+              gap += indent;
+              partial = [];
+              if (Object.prototype.toString.apply(value) === "[object Array]") {
+                length = value.length;
+                for (i2 = 0; i2 < length; i2 += 1) {
+                  partial[i2] = str(i2, value) || "null";
+                }
+                v = partial.length === 0 ? "[]" : gap ? "[\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "]" : "[" + partial.join(",") + "]";
+                gap = mind;
+                return v;
+              }
+              if (rep && typeof rep === "object") {
+                length = rep.length;
+                for (i2 = 0; i2 < length; i2 += 1) {
+                  if (typeof rep[i2] === "string") {
+                    k = rep[i2];
+                    v = str(k, value);
+                    if (v) {
+                      partial.push(quote(k) + (gap ? ": " : ":") + v);
+                    }
+                  }
+                }
+              } else {
+                for (k in value) {
+                  if (Object.prototype.hasOwnProperty.call(value, k)) {
+                    v = str(k, value);
+                    if (v) {
+                      partial.push(quote(k) + (gap ? ": " : ":") + v);
+                    }
+                  }
+                }
+              }
+              v = partial.length === 0 ? "{}" : gap ? "{\n" + gap + partial.join(",\n" + gap) + "\n" + mind + "}" : "{" + partial.join(",") + "}";
+              gap = mind;
+              return v;
+          }
+        }
+        if (typeof JSON.stringify !== "function") {
+          meta = {
+            // table of character substitutions
+            "\b": "\\b",
+            "	": "\\t",
+            "\n": "\\n",
+            "\f": "\\f",
+            "\r": "\\r",
+            '"': '\\"',
+            "\\": "\\\\"
+          };
+          JSON.stringify = function(value, replacer, space) {
+            var i2;
+            gap = "";
+            indent = "";
+            if (typeof space === "number") {
+              for (i2 = 0; i2 < space; i2 += 1) {
+                indent += " ";
+              }
+            } else if (typeof space === "string") {
+              indent = space;
+            }
+            rep = replacer;
+            if (replacer && typeof replacer !== "function" && (typeof replacer !== "object" || typeof replacer.length !== "number")) {
+              throw new Error("JSON.stringify");
+            }
+            return str("", { "": value });
+          };
+        }
+        if (typeof JSON.parse !== "function") {
+          JSON.parse = function(text, reviver) {
+            var j;
+            function walk(holder, key) {
+              var k;
+              var v;
+              var value = holder[key];
+              if (value && typeof value === "object") {
+                for (k in value) {
+                  if (Object.prototype.hasOwnProperty.call(value, k)) {
+                    v = walk(value, k);
+                    if (v !== void 0) {
+                      value[k] = v;
+                    } else {
+                      delete value[k];
+                    }
+                  }
+                }
+              }
+              return reviver.call(holder, key, value);
+            }
+            text = String(text);
+            rx_dangerous.lastIndex = 0;
+            if (rx_dangerous.test(text)) {
+              text = text.replace(rx_dangerous, function(a) {
+                return "\\u" + ("0000" + a.charCodeAt(0).toString(16)).slice(-4);
+              });
+            }
+            if (rx_one.test(
+              text.replace(rx_two, "@").replace(rx_three, "]").replace(rx_four, "")
+            )) {
+              j = eval("(" + text + ")");
+              return typeof reviver === "function" ? walk({ "": j }, "") : j;
+            }
+            throw new SyntaxError("JSON.parse");
+          };
+        }
+      })();
+    }
+  });
+
+  // node_modules/store/plugins/json2.js
+  var require_json22 = __commonJS({
+    "node_modules/store/plugins/json2.js"(exports2, module2) {
+      module2.exports = json2Plugin;
+      function json2Plugin() {
+        require_json2();
+        return {};
+      }
+    }
+  });
+
+  // node_modules/store/dist/store.legacy.js
+  var require_store_legacy = __commonJS({
+    "node_modules/store/dist/store.legacy.js"(exports2, module2) {
+      var engine = require_store_engine();
+      var storages = require_all();
+      var plugins = [require_json22()];
+      module2.exports = engine.createStore(storages, plugins);
+    }
+  });
+
+  // node_modules/whatwg-fetch/fetch.js
+  var global2 = typeof globalThis !== "undefined" && globalThis || typeof self !== "undefined" && self || typeof global2 !== "undefined" && global2;
+  var support = {
+    searchParams: "URLSearchParams" in global2,
+    iterable: "Symbol" in global2 && "iterator" in Symbol,
+    blob: "FileReader" in global2 && "Blob" in global2 && function() {
+      try {
+        new Blob();
+        return true;
+      } catch (e) {
+        return false;
+      }
+    }(),
+    formData: "FormData" in global2,
+    arrayBuffer: "ArrayBuffer" in global2
+  };
+  function isDataView(obj) {
+    return obj && DataView.prototype.isPrototypeOf(obj);
+  }
+  if (support.arrayBuffer) {
+    viewClasses = [
+      "[object Int8Array]",
+      "[object Uint8Array]",
+      "[object Uint8ClampedArray]",
+      "[object Int16Array]",
+      "[object Uint16Array]",
+      "[object Int32Array]",
+      "[object Uint32Array]",
+      "[object Float32Array]",
+      "[object Float64Array]"
+    ];
+    isArrayBufferView = ArrayBuffer.isView || function(obj) {
+      return obj && viewClasses.indexOf(Object.prototype.toString.call(obj)) > -1;
+    };
+  }
+  var viewClasses;
+  var isArrayBufferView;
+  function normalizeName(name) {
+    if (typeof name !== "string") {
+      name = String(name);
+    }
+    if (/[^a-z0-9\-#$%&'*+.^_`|~!]/i.test(name) || name === "") {
+      throw new TypeError('Invalid character in header field name: "' + name + '"');
+    }
+    return name.toLowerCase();
+  }
+  function normalizeValue(value) {
+    if (typeof value !== "string") {
+      value = String(value);
+    }
+    return value;
+  }
+  function iteratorFor(items) {
+    var iterator = {
+      next: function() {
+        var value = items.shift();
+        return { done: value === void 0, value };
+      }
+    };
+    if (support.iterable) {
+      iterator[Symbol.iterator] = function() {
+        return iterator;
+      };
+    }
+    return iterator;
+  }
+  function Headers(headers) {
+    this.map = {};
+    if (headers instanceof Headers) {
+      headers.forEach(function(value, name) {
+        this.append(name, value);
+      }, this);
+    } else if (Array.isArray(headers)) {
+      headers.forEach(function(header) {
+        this.append(header[0], header[1]);
+      }, this);
+    } else if (headers) {
+      Object.getOwnPropertyNames(headers).forEach(function(name) {
+        this.append(name, headers[name]);
+      }, this);
+    }
+  }
+  Headers.prototype.append = function(name, value) {
+    name = normalizeName(name);
+    value = normalizeValue(value);
+    var oldValue = this.map[name];
+    this.map[name] = oldValue ? oldValue + ", " + value : value;
+  };
+  Headers.prototype["delete"] = function(name) {
+    delete this.map[normalizeName(name)];
+  };
+  Headers.prototype.get = function(name) {
+    name = normalizeName(name);
+    return this.has(name) ? this.map[name] : null;
+  };
+  Headers.prototype.has = function(name) {
+    return this.map.hasOwnProperty(normalizeName(name));
+  };
+  Headers.prototype.set = function(name, value) {
+    this.map[normalizeName(name)] = normalizeValue(value);
+  };
+  Headers.prototype.forEach = function(callback, thisArg) {
+    for (var name in this.map) {
+      if (this.map.hasOwnProperty(name)) {
+        callback.call(thisArg, this.map[name], name, this);
+      }
+    }
+  };
+  Headers.prototype.keys = function() {
+    var items = [];
+    this.forEach(function(value, name) {
+      items.push(name);
+    });
+    return iteratorFor(items);
+  };
+  Headers.prototype.values = function() {
+    var items = [];
+    this.forEach(function(value) {
+      items.push(value);
+    });
+    return iteratorFor(items);
+  };
+  Headers.prototype.entries = function() {
+    var items = [];
+    this.forEach(function(value, name) {
+      items.push([name, value]);
+    });
+    return iteratorFor(items);
+  };
+  if (support.iterable) {
+    Headers.prototype[Symbol.iterator] = Headers.prototype.entries;
+  }
+  function consumed(body) {
+    if (body.bodyUsed) {
+      return Promise.reject(new TypeError("Already read"));
+    }
+    body.bodyUsed = true;
+  }
+  function fileReaderReady(reader) {
+    return new Promise(function(resolve, reject) {
+      reader.onload = function() {
+        resolve(reader.result);
+      };
+      reader.onerror = function() {
+        reject(reader.error);
+      };
+    });
+  }
+  function readBlobAsArrayBuffer(blob) {
+    var reader = new FileReader();
+    var promise = fileReaderReady(reader);
+    reader.readAsArrayBuffer(blob);
+    return promise;
+  }
+  function readBlobAsText(blob) {
+    var reader = new FileReader();
+    var promise = fileReaderReady(reader);
+    reader.readAsText(blob);
+    return promise;
+  }
+  function readArrayBufferAsText(buf) {
+    var view = new Uint8Array(buf);
+    var chars = new Array(view.length);
+    for (var i2 = 0; i2 < view.length; i2++) {
+      chars[i2] = String.fromCharCode(view[i2]);
+    }
+    return chars.join("");
+  }
+  function bufferClone(buf) {
+    if (buf.slice) {
+      return buf.slice(0);
+    } else {
+      var view = new Uint8Array(buf.byteLength);
+      view.set(new Uint8Array(buf));
+      return view.buffer;
+    }
+  }
+  function Body() {
+    this.bodyUsed = false;
+    this._initBody = function(body) {
+      this.bodyUsed = this.bodyUsed;
+      this._bodyInit = body;
+      if (!body) {
+        this._bodyText = "";
+      } else if (typeof body === "string") {
+        this._bodyText = body;
+      } else if (support.blob && Blob.prototype.isPrototypeOf(body)) {
+        this._bodyBlob = body;
+      } else if (support.formData && FormData.prototype.isPrototypeOf(body)) {
+        this._bodyFormData = body;
+      } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
+        this._bodyText = body.toString();
+      } else if (support.arrayBuffer && support.blob && isDataView(body)) {
+        this._bodyArrayBuffer = bufferClone(body.buffer);
+        this._bodyInit = new Blob([this._bodyArrayBuffer]);
+      } else if (support.arrayBuffer && (ArrayBuffer.prototype.isPrototypeOf(body) || isArrayBufferView(body))) {
+        this._bodyArrayBuffer = bufferClone(body);
+      } else {
+        this._bodyText = body = Object.prototype.toString.call(body);
+      }
+      if (!this.headers.get("content-type")) {
+        if (typeof body === "string") {
+          this.headers.set("content-type", "text/plain;charset=UTF-8");
+        } else if (this._bodyBlob && this._bodyBlob.type) {
+          this.headers.set("content-type", this._bodyBlob.type);
+        } else if (support.searchParams && URLSearchParams.prototype.isPrototypeOf(body)) {
+          this.headers.set("content-type", "application/x-www-form-urlencoded;charset=UTF-8");
+        }
+      }
+    };
+    if (support.blob) {
+      this.blob = function() {
+        var rejected = consumed(this);
+        if (rejected) {
+          return rejected;
+        }
+        if (this._bodyBlob) {
+          return Promise.resolve(this._bodyBlob);
+        } else if (this._bodyArrayBuffer) {
+          return Promise.resolve(new Blob([this._bodyArrayBuffer]));
+        } else if (this._bodyFormData) {
+          throw new Error("could not read FormData body as blob");
+        } else {
+          return Promise.resolve(new Blob([this._bodyText]));
+        }
+      };
+      this.arrayBuffer = function() {
+        if (this._bodyArrayBuffer) {
+          var isConsumed = consumed(this);
+          if (isConsumed) {
+            return isConsumed;
+          }
+          if (ArrayBuffer.isView(this._bodyArrayBuffer)) {
+            return Promise.resolve(
+              this._bodyArrayBuffer.buffer.slice(
+                this._bodyArrayBuffer.byteOffset,
+                this._bodyArrayBuffer.byteOffset + this._bodyArrayBuffer.byteLength
+              )
+            );
+          } else {
+            return Promise.resolve(this._bodyArrayBuffer);
+          }
+        } else {
+          return this.blob().then(readBlobAsArrayBuffer);
+        }
+      };
+    }
+    this.text = function() {
+      var rejected = consumed(this);
+      if (rejected) {
+        return rejected;
+      }
+      if (this._bodyBlob) {
+        return readBlobAsText(this._bodyBlob);
+      } else if (this._bodyArrayBuffer) {
+        return Promise.resolve(readArrayBufferAsText(this._bodyArrayBuffer));
+      } else if (this._bodyFormData) {
+        throw new Error("could not read FormData body as text");
+      } else {
+        return Promise.resolve(this._bodyText);
+      }
+    };
+    if (support.formData) {
+      this.formData = function() {
+        return this.text().then(decode);
+      };
+    }
+    this.json = function() {
+      return this.text().then(JSON.parse);
+    };
+    return this;
+  }
+  var methods = ["DELETE", "GET", "HEAD", "OPTIONS", "POST", "PUT"];
+  function normalizeMethod(method) {
+    var upcased = method.toUpperCase();
+    return methods.indexOf(upcased) > -1 ? upcased : method;
+  }
+  function Request(input, options2) {
+    if (!(this instanceof Request)) {
+      throw new TypeError('Please use the "new" operator, this DOM object constructor cannot be called as a function.');
+    }
+    options2 = options2 || {};
+    var body = options2.body;
+    if (input instanceof Request) {
+      if (input.bodyUsed) {
+        throw new TypeError("Already read");
+      }
+      this.url = input.url;
+      this.credentials = input.credentials;
+      if (!options2.headers) {
+        this.headers = new Headers(input.headers);
+      }
+      this.method = input.method;
+      this.mode = input.mode;
+      this.signal = input.signal;
+      if (!body && input._bodyInit != null) {
+        body = input._bodyInit;
+        input.bodyUsed = true;
+      }
+    } else {
+      this.url = String(input);
+    }
+    this.credentials = options2.credentials || this.credentials || "same-origin";
+    if (options2.headers || !this.headers) {
+      this.headers = new Headers(options2.headers);
+    }
+    this.method = normalizeMethod(options2.method || this.method || "GET");
+    this.mode = options2.mode || this.mode || null;
+    this.signal = options2.signal || this.signal;
+    this.referrer = null;
+    if ((this.method === "GET" || this.method === "HEAD") && body) {
+      throw new TypeError("Body not allowed for GET or HEAD requests");
+    }
+    this._initBody(body);
+    if (this.method === "GET" || this.method === "HEAD") {
+      if (options2.cache === "no-store" || options2.cache === "no-cache") {
+        var reParamSearch = /([?&])_=[^&]*/;
+        if (reParamSearch.test(this.url)) {
+          this.url = this.url.replace(reParamSearch, "$1_=" + (/* @__PURE__ */ new Date()).getTime());
+        } else {
+          var reQueryString = /\?/;
+          this.url += (reQueryString.test(this.url) ? "&" : "?") + "_=" + (/* @__PURE__ */ new Date()).getTime();
+        }
+      }
+    }
+  }
+  Request.prototype.clone = function() {
+    return new Request(this, { body: this._bodyInit });
+  };
+  function decode(body) {
+    var form = new FormData();
+    body.trim().split("&").forEach(function(bytes) {
+      if (bytes) {
+        var split = bytes.split("=");
+        var name = split.shift().replace(/\+/g, " ");
+        var value = split.join("=").replace(/\+/g, " ");
+        form.append(decodeURIComponent(name), decodeURIComponent(value));
+      }
+    });
+    return form;
+  }
+  function parseHeaders(rawHeaders) {
+    var headers = new Headers();
+    var preProcessedHeaders = rawHeaders.replace(/\r?\n[\t ]+/g, " ");
+    preProcessedHeaders.split("\r").map(function(header) {
+      return header.indexOf("\n") === 0 ? header.substr(1, header.length) : header;
+    }).forEach(function(line) {
+      var parts = line.split(":");
+      var key = parts.shift().trim();
+      if (key) {
+        var value = parts.join(":").trim();
+        headers.append(key, value);
+      }
+    });
+    return headers;
+  }
+  Body.call(Request.prototype);
+  function Response(bodyInit, options2) {
+    if (!(this instanceof Response)) {
+      throw new TypeError('Please use the "new" operator, this DOM object constructor cannot be called as a function.');
+    }
+    if (!options2) {
+      options2 = {};
+    }
+    this.type = "default";
+    this.status = options2.status === void 0 ? 200 : options2.status;
+    this.ok = this.status >= 200 && this.status < 300;
+    this.statusText = options2.statusText === void 0 ? "" : "" + options2.statusText;
+    this.headers = new Headers(options2.headers);
+    this.url = options2.url || "";
+    this._initBody(bodyInit);
+  }
+  Body.call(Response.prototype);
+  Response.prototype.clone = function() {
+    return new Response(this._bodyInit, {
+      status: this.status,
+      statusText: this.statusText,
+      headers: new Headers(this.headers),
+      url: this.url
+    });
+  };
+  Response.error = function() {
+    var response = new Response(null, { status: 0, statusText: "" });
+    response.type = "error";
+    return response;
+  };
+  var redirectStatuses = [301, 302, 303, 307, 308];
+  Response.redirect = function(url, status) {
+    if (redirectStatuses.indexOf(status) === -1) {
+      throw new RangeError("Invalid status code");
+    }
+    return new Response(null, { status, headers: { location: url } });
+  };
+  var DOMException2 = global2.DOMException;
+  try {
+    new DOMException2();
+  } catch (err) {
+    DOMException2 = function(message, name) {
+      this.message = message;
+      this.name = name;
+      var error = Error(message);
+      this.stack = error.stack;
+    };
+    DOMException2.prototype = Object.create(Error.prototype);
+    DOMException2.prototype.constructor = DOMException2;
+  }
+  function fetch2(input, init2) {
+    return new Promise(function(resolve, reject) {
+      var request3 = new Request(input, init2);
+      if (request3.signal && request3.signal.aborted) {
+        return reject(new DOMException2("Aborted", "AbortError"));
+      }
+      var xhr = new XMLHttpRequest();
+      function abortXhr() {
+        xhr.abort();
+      }
+      xhr.onload = function() {
+        var options2 = {
+          status: xhr.status,
+          statusText: xhr.statusText,
+          headers: parseHeaders(xhr.getAllResponseHeaders() || "")
+        };
+        options2.url = "responseURL" in xhr ? xhr.responseURL : options2.headers.get("X-Request-URL");
+        var body = "response" in xhr ? xhr.response : xhr.responseText;
+        setTimeout(function() {
+          resolve(new Response(body, options2));
+        }, 0);
+      };
+      xhr.onerror = function() {
+        setTimeout(function() {
+          reject(new TypeError("Network request failed"));
+        }, 0);
+      };
+      xhr.ontimeout = function() {
+        setTimeout(function() {
+          reject(new TypeError("Network request failed"));
+        }, 0);
+      };
+      xhr.onabort = function() {
+        setTimeout(function() {
+          reject(new DOMException2("Aborted", "AbortError"));
+        }, 0);
+      };
+      function fixUrl(url) {
+        try {
+          return url === "" && global2.location.href ? global2.location.href : url;
+        } catch (e) {
+          return url;
+        }
+      }
+      xhr.open(request3.method, fixUrl(request3.url), true);
+      if (request3.credentials === "include") {
+        xhr.withCredentials = true;
+      } else if (request3.credentials === "omit") {
+        xhr.withCredentials = false;
+      }
+      if ("responseType" in xhr) {
+        if (support.blob) {
+          xhr.responseType = "blob";
+        } else if (support.arrayBuffer && request3.headers.get("Content-Type") && request3.headers.get("Content-Type").indexOf("application/octet-stream") !== -1) {
+          xhr.responseType = "arraybuffer";
+        }
+      }
+      if (init2 && typeof init2.headers === "object" && !(init2.headers instanceof Headers)) {
+        Object.getOwnPropertyNames(init2.headers).forEach(function(name) {
+          xhr.setRequestHeader(name, normalizeValue(init2.headers[name]));
+        });
+      } else {
+        request3.headers.forEach(function(value, name) {
+          xhr.setRequestHeader(name, value);
+        });
+      }
+      if (request3.signal) {
+        request3.signal.addEventListener("abort", abortXhr);
+        xhr.onreadystatechange = function() {
+          if (xhr.readyState === 4) {
+            request3.signal.removeEventListener("abort", abortXhr);
+          }
+        };
+      }
+      xhr.send(typeof request3._bodyInit === "undefined" ? null : request3._bodyInit);
+    });
+  }
+  fetch2.polyfill = true;
+  if (!global2.fetch) {
+    global2.fetch = fetch2;
+    global2.Headers = Headers;
+    global2.Request = Request;
+    global2.Response = Response;
+  }
+
+  // node_modules/abortcontroller-polyfill/dist/polyfill-patch-fetch.js
+  (function(factory) {
+    typeof define === "function" && define.amd ? define(factory) : factory();
+  })(function() {
+    "use strict";
+    function _classCallCheck(instance, Constructor) {
+      if (!(instance instanceof Constructor)) {
+        throw new TypeError("Cannot call a class as a function");
+      }
+    }
+    function _defineProperties(target, props) {
+      for (var i2 = 0; i2 < props.length; i2++) {
+        var descriptor = props[i2];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor)
+          descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
+      }
+    }
+    function _createClass(Constructor, protoProps, staticProps) {
+      if (protoProps)
+        _defineProperties(Constructor.prototype, protoProps);
+      if (staticProps)
+        _defineProperties(Constructor, staticProps);
+      Object.defineProperty(Constructor, "prototype", {
+        writable: false
+      });
+      return Constructor;
+    }
+    function _inherits(subClass, superClass) {
+      if (typeof superClass !== "function" && superClass !== null) {
+        throw new TypeError("Super expression must either be null or a function");
+      }
+      subClass.prototype = Object.create(superClass && superClass.prototype, {
+        constructor: {
+          value: subClass,
+          writable: true,
+          configurable: true
+        }
+      });
+      Object.defineProperty(subClass, "prototype", {
+        writable: false
+      });
+      if (superClass)
+        _setPrototypeOf(subClass, superClass);
+    }
+    function _getPrototypeOf(o) {
+      _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf2(o2) {
+        return o2.__proto__ || Object.getPrototypeOf(o2);
+      };
+      return _getPrototypeOf(o);
+    }
+    function _setPrototypeOf(o, p) {
+      _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf2(o2, p2) {
+        o2.__proto__ = p2;
+        return o2;
+      };
+      return _setPrototypeOf(o, p);
+    }
+    function _isNativeReflectConstruct() {
+      if (typeof Reflect === "undefined" || !Reflect.construct)
+        return false;
+      if (Reflect.construct.sham)
+        return false;
+      if (typeof Proxy === "function")
+        return true;
+      try {
+        Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function() {
+        }));
+        return true;
+      } catch (e) {
+        return false;
+      }
+    }
+    function _assertThisInitialized(self2) {
+      if (self2 === void 0) {
+        throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
+      }
+      return self2;
+    }
+    function _possibleConstructorReturn(self2, call) {
+      if (call && (typeof call === "object" || typeof call === "function")) {
+        return call;
+      } else if (call !== void 0) {
+        throw new TypeError("Derived constructors may only return object or undefined");
+      }
+      return _assertThisInitialized(self2);
+    }
+    function _createSuper(Derived) {
+      var hasNativeReflectConstruct = _isNativeReflectConstruct();
+      return function _createSuperInternal() {
+        var Super = _getPrototypeOf(Derived), result;
+        if (hasNativeReflectConstruct) {
+          var NewTarget = _getPrototypeOf(this).constructor;
+          result = Reflect.construct(Super, arguments, NewTarget);
+        } else {
+          result = Super.apply(this, arguments);
+        }
+        return _possibleConstructorReturn(this, result);
+      };
+    }
+    function _superPropBase(object, property) {
+      while (!Object.prototype.hasOwnProperty.call(object, property)) {
+        object = _getPrototypeOf(object);
+        if (object === null)
+          break;
+      }
+      return object;
+    }
+    function _get() {
+      if (typeof Reflect !== "undefined" && Reflect.get) {
+        _get = Reflect.get.bind();
+      } else {
+        _get = function _get2(target, property, receiver) {
+          var base = _superPropBase(target, property);
+          if (!base)
+            return;
+          var desc = Object.getOwnPropertyDescriptor(base, property);
+          if (desc.get) {
+            return desc.get.call(arguments.length < 3 ? target : receiver);
+          }
+          return desc.value;
+        };
+      }
+      return _get.apply(this, arguments);
+    }
+    var Emitter = /* @__PURE__ */ function() {
+      function Emitter2() {
+        _classCallCheck(this, Emitter2);
+        Object.defineProperty(this, "listeners", {
+          value: {},
+          writable: true,
+          configurable: true
+        });
+      }
+      _createClass(Emitter2, [{
+        key: "addEventListener",
+        value: function addEventListener(type2, callback, options2) {
+          if (!(type2 in this.listeners)) {
+            this.listeners[type2] = [];
+          }
+          this.listeners[type2].push({
+            callback,
+            options: options2
+          });
+        }
+      }, {
+        key: "removeEventListener",
+        value: function removeEventListener(type2, callback) {
+          if (!(type2 in this.listeners)) {
+            return;
+          }
+          var stack = this.listeners[type2];
+          for (var i2 = 0, l = stack.length; i2 < l; i2++) {
+            if (stack[i2].callback === callback) {
+              stack.splice(i2, 1);
+              return;
+            }
+          }
+        }
+      }, {
+        key: "dispatchEvent",
+        value: function dispatchEvent2(event) {
+          if (!(event.type in this.listeners)) {
+            return;
+          }
+          var stack = this.listeners[event.type];
+          var stackToCall = stack.slice();
+          for (var i2 = 0, l = stackToCall.length; i2 < l; i2++) {
+            var listener = stackToCall[i2];
+            try {
+              listener.callback.call(this, event);
+            } catch (e) {
+              Promise.resolve().then(function() {
+                throw e;
+              });
+            }
+            if (listener.options && listener.options.once) {
+              this.removeEventListener(event.type, listener.callback);
+            }
+          }
+          return !event.defaultPrevented;
+        }
+      }]);
+      return Emitter2;
+    }();
+    var AbortSignal = /* @__PURE__ */ function(_Emitter) {
+      _inherits(AbortSignal2, _Emitter);
+      var _super = _createSuper(AbortSignal2);
+      function AbortSignal2() {
+        var _this;
+        _classCallCheck(this, AbortSignal2);
+        _this = _super.call(this);
+        if (!_this.listeners) {
+          Emitter.call(_assertThisInitialized(_this));
+        }
+        Object.defineProperty(_assertThisInitialized(_this), "aborted", {
+          value: false,
+          writable: true,
+          configurable: true
+        });
+        Object.defineProperty(_assertThisInitialized(_this), "onabort", {
+          value: null,
+          writable: true,
+          configurable: true
+        });
+        Object.defineProperty(_assertThisInitialized(_this), "reason", {
+          value: void 0,
+          writable: true,
+          configurable: true
+        });
+        return _this;
+      }
+      _createClass(AbortSignal2, [{
+        key: "toString",
+        value: function toString2() {
+          return "[object AbortSignal]";
+        }
+      }, {
+        key: "dispatchEvent",
+        value: function dispatchEvent2(event) {
+          if (event.type === "abort") {
+            this.aborted = true;
+            if (typeof this.onabort === "function") {
+              this.onabort.call(this, event);
+            }
+          }
+          _get(_getPrototypeOf(AbortSignal2.prototype), "dispatchEvent", this).call(this, event);
+        }
+      }]);
+      return AbortSignal2;
+    }(Emitter);
+    var AbortController2 = /* @__PURE__ */ function() {
+      function AbortController3() {
+        _classCallCheck(this, AbortController3);
+        Object.defineProperty(this, "signal", {
+          value: new AbortSignal(),
+          writable: true,
+          configurable: true
+        });
+      }
+      _createClass(AbortController3, [{
+        key: "abort",
+        value: function abort(reason) {
+          var event;
+          try {
+            event = new Event("abort");
+          } catch (e) {
+            if (typeof document !== "undefined") {
+              if (!document.createEvent) {
+                event = document.createEventObject();
+                event.type = "abort";
+              } else {
+                event = document.createEvent("Event");
+                event.initEvent("abort", false, false);
+              }
+            } else {
+              event = {
+                type: "abort",
+                bubbles: false,
+                cancelable: false
+              };
+            }
+          }
+          var signalReason = reason;
+          if (signalReason === void 0) {
+            if (typeof document === "undefined") {
+              signalReason = new Error("This operation was aborted");
+              signalReason.name = "AbortError";
+            } else {
+              try {
+                signalReason = new DOMException("signal is aborted without reason");
+              } catch (err) {
+                signalReason = new Error("This operation was aborted");
+                signalReason.name = "AbortError";
+              }
+            }
+          }
+          this.signal.reason = signalReason;
+          this.signal.dispatchEvent(event);
+        }
+      }, {
+        key: "toString",
+        value: function toString2() {
+          return "[object AbortController]";
+        }
+      }]);
+      return AbortController3;
+    }();
+    if (typeof Symbol !== "undefined" && Symbol.toStringTag) {
+      AbortController2.prototype[Symbol.toStringTag] = "AbortController";
+      AbortSignal.prototype[Symbol.toStringTag] = "AbortSignal";
+    }
+    function polyfillNeeded(self2) {
+      if (self2.__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL) {
+        console.log("__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL=true is set, will force install polyfill");
+        return true;
+      }
+      return typeof self2.Request === "function" && !self2.Request.prototype.hasOwnProperty("signal") || !self2.AbortController;
+    }
+    function abortableFetchDecorator(patchTargets) {
+      if ("function" === typeof patchTargets) {
+        patchTargets = {
+          fetch: patchTargets
+        };
+      }
+      var _patchTargets = patchTargets, fetch3 = _patchTargets.fetch, _patchTargets$Request = _patchTargets.Request, NativeRequest = _patchTargets$Request === void 0 ? fetch3.Request : _patchTargets$Request, NativeAbortController = _patchTargets.AbortController, _patchTargets$__FORCE = _patchTargets.__FORCE_INSTALL_ABORTCONTROLLER_POLYFILL, __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL = _patchTargets$__FORCE === void 0 ? false : _patchTargets$__FORCE;
+      if (!polyfillNeeded({
+        fetch: fetch3,
+        Request: NativeRequest,
+        AbortController: NativeAbortController,
+        __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL
+      })) {
+        return {
+          fetch: fetch3,
+          Request: Request2
+        };
+      }
+      var Request2 = NativeRequest;
+      if (Request2 && !Request2.prototype.hasOwnProperty("signal") || __FORCE_INSTALL_ABORTCONTROLLER_POLYFILL) {
+        Request2 = function Request3(input, init2) {
+          var signal;
+          if (init2 && init2.signal) {
+            signal = init2.signal;
+            delete init2.signal;
+          }
+          var request3 = new NativeRequest(input, init2);
+          if (signal) {
+            Object.defineProperty(request3, "signal", {
+              writable: false,
+              enumerable: false,
+              configurable: true,
+              value: signal
+            });
+          }
+          return request3;
+        };
+        Request2.prototype = NativeRequest.prototype;
+      }
+      var realFetch = fetch3;
+      var abortableFetch = function abortableFetch2(input, init2) {
+        var signal = Request2 && Request2.prototype.isPrototypeOf(input) ? input.signal : init2 ? init2.signal : void 0;
+        if (signal) {
+          var abortError;
+          try {
+            abortError = new DOMException("Aborted", "AbortError");
+          } catch (err) {
+            abortError = new Error("Aborted");
+            abortError.name = "AbortError";
+          }
+          if (signal.aborted) {
+            return Promise.reject(abortError);
+          }
+          var cancellation = new Promise(function(_, reject) {
+            signal.addEventListener("abort", function() {
+              return reject(abortError);
+            }, {
+              once: true
+            });
+          });
+          if (init2 && init2.signal) {
+            delete init2.signal;
+          }
+          return Promise.race([cancellation, realFetch(input, init2)]);
+        }
+        return realFetch(input, init2);
+      };
+      return {
+        fetch: abortableFetch,
+        Request: Request2
+      };
+    }
+    (function(self2) {
+      if (!polyfillNeeded(self2)) {
+        return;
+      }
+      if (!self2.fetch) {
+        console.warn("fetch() is not available, cannot install abortcontroller-polyfill");
+        return;
+      }
+      var _abortableFetch = abortableFetchDecorator(self2), fetch3 = _abortableFetch.fetch, Request2 = _abortableFetch.Request;
+      self2.fetch = fetch3;
+      self2.Request = Request2;
+      Object.defineProperty(self2, "AbortController", {
+        writable: true,
+        enumerable: false,
+        configurable: true,
+        value: AbortController2
+      });
+      Object.defineProperty(self2, "AbortSignal", {
+        writable: true,
+        enumerable: false,
+        configurable: true,
+        value: AbortSignal
+      });
+    })(typeof self !== "undefined" ? self : global);
+  });
+
+  // modules/index.js
+  var modules_exports = {};
+  __export(modules_exports, {
+    LocationManager: () => LocationManager,
+    QAItem: () => QAItem,
+    actionAddEntity: () => actionAddEntity,
+    actionAddMember: () => actionAddMember,
+    actionAddMidpoint: () => actionAddMidpoint,
+    actionAddVertex: () => actionAddVertex,
+    actionChangeMember: () => actionChangeMember,
+    actionChangePreset: () => actionChangePreset,
+    actionChangeTags: () => actionChangeTags,
+    actionCircularize: () => actionCircularize,
+    actionConnect: () => actionConnect,
+    actionCopyEntities: () => actionCopyEntities,
+    actionDeleteMember: () => actionDeleteMember,
+    actionDeleteMultiple: () => actionDeleteMultiple,
+    actionDeleteNode: () => actionDeleteNode,
+    actionDeleteRelation: () => actionDeleteRelation,
+    actionDeleteWay: () => actionDeleteWay,
+    actionDiscardTags: () => actionDiscardTags,
+    actionDisconnect: () => actionDisconnect,
+    actionExtract: () => actionExtract,
+    actionJoin: () => actionJoin,
+    actionMerge: () => actionMerge,
+    actionMergeNodes: () => actionMergeNodes,
+    actionMergePolygon: () => actionMergePolygon,
+    actionMergeRemoteChanges: () => actionMergeRemoteChanges,
+    actionMove: () => actionMove,
+    actionMoveMember: () => actionMoveMember,
+    actionMoveNode: () => actionMoveNode,
+    actionNoop: () => actionNoop,
+    actionOrthogonalize: () => actionOrthogonalize,
+    actionReflect: () => actionReflect,
+    actionRestrictTurn: () => actionRestrictTurn,
+    actionReverse: () => actionReverse,
+    actionRevert: () => actionRevert,
+    actionRotate: () => actionRotate,
+    actionScale: () => actionScale,
+    actionSplit: () => actionSplit,
+    actionStraightenNodes: () => actionStraightenNodes,
+    actionStraightenWay: () => actionStraightenWay,
+    actionUnrestrictTurn: () => actionUnrestrictTurn,
+    actionUpgradeTags: () => actionUpgradeTags,
+    behaviorAddWay: () => behaviorAddWay,
+    behaviorBreathe: () => behaviorBreathe,
+    behaviorDrag: () => behaviorDrag,
+    behaviorDraw: () => behaviorDraw,
+    behaviorDrawWay: () => behaviorDrawWay,
+    behaviorEdit: () => behaviorEdit,
+    behaviorHash: () => behaviorHash,
+    behaviorHover: () => behaviorHover,
+    behaviorLasso: () => behaviorLasso,
+    behaviorOperation: () => behaviorOperation,
+    behaviorPaste: () => behaviorPaste,
+    behaviorSelect: () => behaviorSelect,
+    coreContext: () => coreContext,
+    coreDifference: () => coreDifference,
+    coreFileFetcher: () => coreFileFetcher,
+    coreGraph: () => coreGraph,
+    coreHistory: () => coreHistory,
+    coreLocalizer: () => coreLocalizer,
+    coreTree: () => coreTree,
+    coreUploader: () => coreUploader,
+    coreValidator: () => coreValidator,
+    d3: () => d3,
+    debug: () => debug,
+    fileFetcher: () => _mainFileFetcher,
+    geoAngle: () => geoAngle,
+    geoChooseEdge: () => geoChooseEdge,
+    geoEdgeEqual: () => geoEdgeEqual,
+    geoExtent: () => geoExtent,
+    geoGetSmallestSurroundingRectangle: () => geoGetSmallestSurroundingRectangle,
+    geoHasLineIntersections: () => geoHasLineIntersections,
+    geoHasSelfIntersections: () => geoHasSelfIntersections,
+    geoLatToMeters: () => geoLatToMeters,
+    geoLineIntersection: () => geoLineIntersection,
+    geoLonToMeters: () => geoLonToMeters,
+    geoMetersToLat: () => geoMetersToLat,
+    geoMetersToLon: () => geoMetersToLon,
+    geoMetersToOffset: () => geoMetersToOffset,
+    geoOffsetToMeters: () => geoOffsetToMeters,
+    geoOrthoCalcScore: () => geoOrthoCalcScore,
+    geoOrthoCanOrthogonalize: () => geoOrthoCanOrthogonalize,
+    geoOrthoMaxOffsetAngle: () => geoOrthoMaxOffsetAngle,
+    geoOrthoNormalizedDotProduct: () => geoOrthoNormalizedDotProduct,
+    geoPathHasIntersections: () => geoPathHasIntersections,
+    geoPathIntersections: () => geoPathIntersections,
+    geoPathLength: () => geoPathLength,
+    geoPointInPolygon: () => geoPointInPolygon,
+    geoPolygonContainsPolygon: () => geoPolygonContainsPolygon,
+    geoPolygonIntersectsPolygon: () => geoPolygonIntersectsPolygon,
+    geoRawMercator: () => geoRawMercator,
+    geoRotate: () => geoRotate,
+    geoScaleToZoom: () => geoScaleToZoom,
+    geoSphericalClosestNode: () => geoSphericalClosestNode,
+    geoSphericalDistance: () => geoSphericalDistance,
+    geoVecAdd: () => geoVecAdd,
+    geoVecAngle: () => geoVecAngle,
+    geoVecCross: () => geoVecCross,
+    geoVecDot: () => geoVecDot,
+    geoVecEqual: () => geoVecEqual,
+    geoVecFloor: () => geoVecFloor,
+    geoVecInterp: () => geoVecInterp,
+    geoVecLength: () => geoVecLength,
+    geoVecLengthSquare: () => geoVecLengthSquare,
+    geoVecNormalize: () => geoVecNormalize,
+    geoVecNormalizedDot: () => geoVecNormalizedDot,
+    geoVecProject: () => geoVecProject,
+    geoVecScale: () => geoVecScale,
+    geoVecSubtract: () => geoVecSubtract,
+    geoViewportEdge: () => geoViewportEdge,
+    geoZoomToScale: () => geoZoomToScale,
+    likelyRawNumberFormat: () => likelyRawNumberFormat,
+    localizer: () => _mainLocalizer,
+    locationManager: () => _sharedLocationManager,
+    modeAddArea: () => modeAddArea,
+    modeAddLine: () => modeAddLine,
+    modeAddNote: () => modeAddNote,
+    modeAddPoint: () => modeAddPoint,
+    modeBrowse: () => modeBrowse,
+    modeDragNode: () => modeDragNode,
+    modeDragNote: () => modeDragNote,
+    modeDrawArea: () => modeDrawArea,
+    modeDrawLine: () => modeDrawLine,
+    modeMove: () => modeMove,
+    modeRotate: () => modeRotate,
+    modeSave: () => modeSave,
+    modeSelect: () => modeSelect,
+    modeSelectData: () => modeSelectData,
+    modeSelectError: () => modeSelectError,
+    modeSelectNote: () => modeSelectNote,
+    operationCircularize: () => operationCircularize,
+    operationContinue: () => operationContinue,
+    operationCopy: () => operationCopy,
+    operationDelete: () => operationDelete,
+    operationDisconnect: () => operationDisconnect,
+    operationDowngrade: () => operationDowngrade,
+    operationExtract: () => operationExtract,
+    operationMerge: () => operationMerge,
+    operationMove: () => operationMove,
+    operationOrthogonalize: () => operationOrthogonalize,
+    operationPaste: () => operationPaste,
+    operationReflectLong: () => operationReflectLong,
+    operationReflectShort: () => operationReflectShort,
+    operationReverse: () => operationReverse,
+    operationRotate: () => operationRotate,
+    operationSplit: () => operationSplit,
+    operationStraighten: () => operationStraighten,
+    osmAreaKeys: () => osmAreaKeys,
+    osmChangeset: () => osmChangeset,
+    osmEntity: () => osmEntity,
+    osmFlowingWaterwayTagValues: () => osmFlowingWaterwayTagValues,
+    osmInferRestriction: () => osmInferRestriction,
+    osmIntersection: () => osmIntersection,
+    osmIsInterestingTag: () => osmIsInterestingTag,
+    osmIsOldMultipolygonOuterMember: () => osmIsOldMultipolygonOuterMember,
+    osmJoinWays: () => osmJoinWays,
+    osmLanes: () => osmLanes,
+    osmLifecyclePrefixes: () => osmLifecyclePrefixes,
+    osmNode: () => osmNode,
+    osmNodeGeometriesForTags: () => osmNodeGeometriesForTags,
+    osmNote: () => osmNote,
+    osmOldMultipolygonOuterMember: () => osmOldMultipolygonOuterMember,
+    osmOldMultipolygonOuterMemberOfRelation: () => osmOldMultipolygonOuterMemberOfRelation,
+    osmOneWayTags: () => osmOneWayTags,
+    osmPavedTags: () => osmPavedTags,
+    osmPointTags: () => osmPointTags,
+    osmRailwayTrackTagValues: () => osmRailwayTrackTagValues,
+    osmRelation: () => osmRelation,
+    osmRemoveLifecyclePrefix: () => osmRemoveLifecyclePrefix,
+    osmRoutableHighwayTagValues: () => osmRoutableHighwayTagValues,
+    osmSetAreaKeys: () => osmSetAreaKeys,
+    osmSetPointTags: () => osmSetPointTags,
+    osmSetVertexTags: () => osmSetVertexTags,
+    osmTagSuggestingArea: () => osmTagSuggestingArea,
+    osmTurn: () => osmTurn,
+    osmVertexTags: () => osmVertexTags,
+    osmWay: () => osmWay,
+    prefs: () => corePreferences,
+    presetCategory: () => presetCategory,
+    presetCollection: () => presetCollection,
+    presetField: () => presetField,
+    presetIndex: () => presetIndex,
+    presetManager: () => _mainPresetIndex,
+    presetPreset: () => presetPreset,
+    rendererBackground: () => rendererBackground,
+    rendererBackgroundSource: () => rendererBackgroundSource,
+    rendererFeatures: () => rendererFeatures,
+    rendererMap: () => rendererMap,
+    rendererPhotos: () => rendererPhotos,
+    rendererTileLayer: () => rendererTileLayer,
+    serviceImproveOSM: () => improveOSM_default,
+    serviceKartaview: () => kartaview_default,
+    serviceKeepRight: () => keepRight_default,
+    serviceMapRules: () => maprules_default,
+    serviceMapillary: () => mapillary_default,
+    serviceNominatim: () => nominatim_default,
+    serviceNsi: () => nsi_default,
+    serviceOsm: () => osm_default,
+    serviceOsmWikibase: () => osm_wikibase_default,
+    serviceOsmose: () => osmose_default,
+    serviceStreetside: () => streetside_default,
+    serviceTaginfo: () => taginfo_default,
+    serviceVectorTile: () => vector_tile_default,
+    serviceWikidata: () => wikidata_default,
+    serviceWikipedia: () => wikipedia_default,
+    services: () => services,
+    svgAreas: () => svgAreas,
+    svgData: () => svgData,
+    svgDebug: () => svgDebug,
+    svgDefs: () => svgDefs,
+    svgGeolocate: () => svgGeolocate,
+    svgIcon: () => svgIcon,
+    svgKartaviewImages: () => svgKartaviewImages,
+    svgKeepRight: () => svgKeepRight,
+    svgLabels: () => svgLabels,
+    svgLayers: () => svgLayers,
+    svgLines: () => svgLines,
+    svgMapillaryImages: () => svgMapillaryImages,
+    svgMapillarySigns: () => svgMapillarySigns,
+    svgMarkerSegments: () => svgMarkerSegments,
+    svgMidpoints: () => svgMidpoints,
+    svgNotes: () => svgNotes,
+    svgOsm: () => svgOsm,
+    svgPassiveVertex: () => svgPassiveVertex,
+    svgPath: () => svgPath,
+    svgPointTransform: () => svgPointTransform,
+    svgPoints: () => svgPoints,
+    svgRelationMemberTags: () => svgRelationMemberTags,
+    svgSegmentWay: () => svgSegmentWay,
+    svgStreetside: () => svgStreetside,
+    svgTagClasses: () => svgTagClasses,
+    svgTagPattern: () => svgTagPattern,
+    svgTouch: () => svgTouch,
+    svgTurns: () => svgTurns,
+    svgVertices: () => svgVertices,
+    t: () => _t,
+    uiAccount: () => uiAccount,
+    uiAttribution: () => uiAttribution,
+    uiChangesetEditor: () => uiChangesetEditor,
+    uiCmd: () => uiCmd,
+    uiCombobox: () => uiCombobox,
+    uiCommit: () => uiCommit,
+    uiCommitWarnings: () => uiCommitWarnings,
+    uiConfirm: () => uiConfirm,
+    uiConflicts: () => uiConflicts,
+    uiContributors: () => uiContributors,
+    uiCurtain: () => uiCurtain,
+    uiDataEditor: () => uiDataEditor,
+    uiDataHeader: () => uiDataHeader,
+    uiDisclosure: () => uiDisclosure,
+    uiEditMenu: () => uiEditMenu,
+    uiEntityEditor: () => uiEntityEditor,
+    uiFeatureInfo: () => uiFeatureInfo,
+    uiFeatureList: () => uiFeatureList,
+    uiField: () => uiField,
+    uiFieldAccess: () => uiFieldAccess,
+    uiFieldAddress: () => uiFieldAddress,
+    uiFieldCheck: () => uiFieldCheck,
+    uiFieldColour: () => uiFieldText,
+    uiFieldCombo: () => uiFieldCombo,
+    uiFieldDefaultCheck: () => uiFieldCheck,
+    uiFieldDirectionalCombo: () => uiFieldDirectionalCombo,
+    uiFieldEmail: () => uiFieldText,
+    uiFieldHelp: () => uiFieldHelp,
+    uiFieldIdentifier: () => uiFieldText,
+    uiFieldLanes: () => uiFieldLanes,
+    uiFieldLocalized: () => uiFieldLocalized,
+    uiFieldManyCombo: () => uiFieldCombo,
+    uiFieldMultiCombo: () => uiFieldCombo,
+    uiFieldNetworkCombo: () => uiFieldCombo,
+    uiFieldNumber: () => uiFieldText,
+    uiFieldOnewayCheck: () => uiFieldCheck,
+    uiFieldRadio: () => uiFieldRadio,
+    uiFieldRestrictions: () => uiFieldRestrictions,
+    uiFieldRoadheight: () => uiFieldRoadheight,
+    uiFieldRoadspeed: () => uiFieldRoadspeed,
+    uiFieldSemiCombo: () => uiFieldCombo,
+    uiFieldStructureRadio: () => uiFieldRadio,
+    uiFieldTel: () => uiFieldText,
+    uiFieldText: () => uiFieldText,
+    uiFieldTextarea: () => uiFieldTextarea,
+    uiFieldTypeCombo: () => uiFieldCombo,
+    uiFieldUrl: () => uiFieldText,
+    uiFieldWikidata: () => uiFieldWikidata,
+    uiFieldWikipedia: () => uiFieldWikipedia,
+    uiFields: () => uiFields,
+    uiFlash: () => uiFlash,
+    uiFormFields: () => uiFormFields,
+    uiFullScreen: () => uiFullScreen,
+    uiGeolocate: () => uiGeolocate,
+    uiImproveOsmComments: () => uiImproveOsmComments,
+    uiImproveOsmDetails: () => uiImproveOsmDetails,
+    uiImproveOsmEditor: () => uiImproveOsmEditor,
+    uiImproveOsmHeader: () => uiImproveOsmHeader,
+    uiInfo: () => uiInfo,
+    uiInfoPanels: () => uiInfoPanels,
+    uiInit: () => uiInit,
+    uiInspector: () => uiInspector,
+    uiIntro: () => uiIntro,
+    uiIssuesInfo: () => uiIssuesInfo,
+    uiKeepRightDetails: () => uiKeepRightDetails,
+    uiKeepRightEditor: () => uiKeepRightEditor,
+    uiKeepRightHeader: () => uiKeepRightHeader,
+    uiLasso: () => uiLasso,
+    uiLengthIndicator: () => uiLengthIndicator,
+    uiLoading: () => uiLoading,
+    uiMapInMap: () => uiMapInMap,
+    uiModal: () => uiModal,
+    uiNoteComments: () => uiNoteComments,
+    uiNoteEditor: () => uiNoteEditor,
+    uiNoteHeader: () => uiNoteHeader,
+    uiNoteReport: () => uiNoteReport,
+    uiNotice: () => uiNotice,
+    uiPaneBackground: () => uiPaneBackground,
+    uiPaneHelp: () => uiPaneHelp,
+    uiPaneIssues: () => uiPaneIssues,
+    uiPaneMapData: () => uiPaneMapData,
+    uiPanePreferences: () => uiPanePreferences,
+    uiPanelBackground: () => uiPanelBackground,
+    uiPanelHistory: () => uiPanelHistory,
+    uiPanelLocation: () => uiPanelLocation,
+    uiPanelMeasurement: () => uiPanelMeasurement,
+    uiPopover: () => uiPopover,
+    uiPresetIcon: () => uiPresetIcon,
+    uiPresetList: () => uiPresetList,
+    uiRestore: () => uiRestore,
+    uiScale: () => uiScale,
+    uiSectionBackgroundDisplayOptions: () => uiSectionBackgroundDisplayOptions,
+    uiSectionBackgroundList: () => uiSectionBackgroundList,
+    uiSectionBackgroundOffset: () => uiSectionBackgroundOffset,
+    uiSectionChanges: () => uiSectionChanges,
+    uiSectionDataLayers: () => uiSectionDataLayers,
+    uiSectionEntityIssues: () => uiSectionEntityIssues,
+    uiSectionFeatureType: () => uiSectionFeatureType,
+    uiSectionMapFeatures: () => uiSectionMapFeatures,
+    uiSectionMapStyleOptions: () => uiSectionMapStyleOptions,
+    uiSectionOverlayList: () => uiSectionOverlayList,
+    uiSectionPhotoOverlays: () => uiSectionPhotoOverlays,
+    uiSectionPresetFields: () => uiSectionPresetFields,
+    uiSectionPrivacy: () => uiSectionPrivacy,
+    uiSectionRawMemberEditor: () => uiSectionRawMemberEditor,
+    uiSectionRawMembershipEditor: () => uiSectionRawMembershipEditor,
+    uiSectionRawTagEditor: () => uiSectionRawTagEditor,
+    uiSectionSelectionList: () => uiSectionSelectionList,
+    uiSectionValidationIssues: () => uiSectionValidationIssues,
+    uiSectionValidationOptions: () => uiSectionValidationOptions,
+    uiSectionValidationRules: () => uiSectionValidationRules,
+    uiSectionValidationStatus: () => uiSectionValidationStatus,
+    uiSettingsCustomBackground: () => uiSettingsCustomBackground,
+    uiSettingsCustomData: () => uiSettingsCustomData,
+    uiSidebar: () => uiSidebar,
+    uiSourceSwitch: () => uiSourceSwitch,
+    uiSpinner: () => uiSpinner,
+    uiSplash: () => uiSplash,
+    uiStatus: () => uiStatus,
+    uiSuccess: () => uiSuccess,
+    uiTagReference: () => uiTagReference,
+    uiToggle: () => uiToggle,
+    uiTooltip: () => uiTooltip,
+    uiVersion: () => uiVersion,
+    uiViewOnKeepRight: () => uiViewOnKeepRight,
+    uiViewOnOSM: () => uiViewOnOSM,
+    uiZoom: () => uiZoom,
+    utilAesDecrypt: () => utilAesDecrypt,
+    utilAesEncrypt: () => utilAesEncrypt,
+    utilArrayChunk: () => utilArrayChunk,
+    utilArrayDifference: () => utilArrayDifference,
+    utilArrayFlatten: () => utilArrayFlatten,
+    utilArrayGroupBy: () => utilArrayGroupBy,
+    utilArrayIdentical: () => utilArrayIdentical,
+    utilArrayIntersection: () => utilArrayIntersection,
+    utilArrayUnion: () => utilArrayUnion,
+    utilArrayUniq: () => utilArrayUniq,
+    utilArrayUniqBy: () => utilArrayUniqBy,
+    utilAsyncMap: () => utilAsyncMap,
+    utilCleanOsmString: () => utilCleanOsmString,
+    utilCleanTags: () => utilCleanTags,
+    utilCombinedTags: () => utilCombinedTags,
+    utilCompareIDs: () => utilCompareIDs,
+    utilDeepMemberSelector: () => utilDeepMemberSelector,
+    utilDetect: () => utilDetect,
+    utilDisplayLabel: () => utilDisplayLabel,
+    utilDisplayName: () => utilDisplayName,
+    utilDisplayNameForPath: () => utilDisplayNameForPath,
+    utilDisplayType: () => utilDisplayType,
+    utilEditDistance: () => utilEditDistance,
+    utilEntityAndDeepMemberIDs: () => utilEntityAndDeepMemberIDs,
+    utilEntityOrDeepMemberSelector: () => utilEntityOrDeepMemberSelector,
+    utilEntityOrMemberSelector: () => utilEntityOrMemberSelector,
+    utilEntityRoot: () => utilEntityRoot,
+    utilEntitySelector: () => utilEntitySelector,
+    utilFastMouse: () => utilFastMouse,
+    utilFunctor: () => utilFunctor,
+    utilGetAllNodes: () => utilGetAllNodes,
+    utilGetSetValue: () => utilGetSetValue,
+    utilHashcode: () => utilHashcode,
+    utilHighlightEntities: () => utilHighlightEntities,
+    utilKeybinding: () => utilKeybinding,
+    utilNoAuto: () => utilNoAuto,
+    utilObjectOmit: () => utilObjectOmit,
+    utilOldestID: () => utilOldestID,
+    utilPrefixCSSProperty: () => utilPrefixCSSProperty,
+    utilPrefixDOMProperty: () => utilPrefixDOMProperty,
+    utilQsString: () => utilQsString,
+    utilRebind: () => utilRebind,
+    utilSafeClassName: () => utilSafeClassName,
+    utilSessionMutex: () => utilSessionMutex,
+    utilSetTransform: () => utilSetTransform,
+    utilStringQs: () => utilStringQs,
+    utilTagDiff: () => utilTagDiff,
+    utilTagText: () => utilTagText,
+    utilTiler: () => utilTiler,
+    utilTotalExtent: () => utilTotalExtent,
+    utilTriggerEvent: () => utilTriggerEvent,
+    utilUnicodeCharsCount: () => utilUnicodeCharsCount,
+    utilUnicodeCharsTruncated: () => utilUnicodeCharsTruncated,
+    utilUniqueDomId: () => utilUniqueDomId,
+    utilWrap: () => utilWrap,
+    validationAlmostJunction: () => validationAlmostJunction,
+    validationCloseNodes: () => validationCloseNodes,
+    validationCrossingWays: () => validationCrossingWays,
+    validationDisconnectedWay: () => validationDisconnectedWay,
+    validationFormatting: () => validationFormatting,
+    validationHelpRequest: () => validationHelpRequest,
+    validationImpossibleOneway: () => validationImpossibleOneway,
+    validationIncompatibleSource: () => validationIncompatibleSource,
+    validationMaprules: () => validationMaprules,
+    validationMismatchedGeometry: () => validationMismatchedGeometry,
+    validationMissingRole: () => validationMissingRole,
+    validationMissingTag: () => validationMissingTag,
+    validationOutdatedTags: () => validationOutdatedTags,
+    validationPrivateData: () => validationPrivateData,
+    validationSuspiciousName: () => validationSuspiciousName,
+    validationUnsquareWay: () => validationUnsquareWay
+  });
+
+  // modules/actions/add_entity.js
+  function actionAddEntity(way) {
+    return function(graph) {
+      return graph.replace(way);
+    };
+  }
+
+  // modules/actions/reverse.js
+  function actionReverse(entityID, options2) {
+    var ignoreKey = /^.*(_|:)?(description|name|note|website|ref|source|comment|watch|attribution)(_|:)?/;
+    var numeric = /^([+\-]?)(?=[\d.])/;
+    var directionKey = /direction$/;
+    var turn_lanes = /^turn:lanes:?/;
+    var keyReplacements = [
+      [/:right$/, ":left"],
+      [/:left$/, ":right"],
+      [/:forward$/, ":backward"],
+      [/:backward$/, ":forward"],
+      [/:right:/, ":left:"],
+      [/:left:/, ":right:"],
+      [/:forward:/, ":backward:"],
+      [/:backward:/, ":forward:"]
+    ];
+    var valueReplacements = {
+      left: "right",
+      right: "left",
+      up: "down",
+      down: "up",
+      forward: "backward",
+      backward: "forward",
+      forwards: "backward",
+      backwards: "forward"
+    };
+    var roleReplacements = {
+      forward: "backward",
+      backward: "forward",
+      forwards: "backward",
+      backwards: "forward"
+    };
+    var onewayReplacements = {
+      yes: "-1",
+      "1": "-1",
+      "-1": "yes"
+    };
+    var compassReplacements = {
+      N: "S",
+      NNE: "SSW",
+      NE: "SW",
+      ENE: "WSW",
+      E: "W",
+      ESE: "WNW",
+      SE: "NW",
+      SSE: "NNW",
+      S: "N",
+      SSW: "NNE",
+      SW: "NE",
+      WSW: "ENE",
+      W: "E",
+      WNW: "ESE",
+      NW: "SE",
+      NNW: "SSE"
+    };
+    function reverseKey(key) {
+      for (var i2 = 0; i2 < keyReplacements.length; ++i2) {
+        var replacement = keyReplacements[i2];
+        if (replacement[0].test(key)) {
+          return key.replace(replacement[0], replacement[1]);
+        }
+      }
+      return key;
+    }
+    function reverseValue(key, value, includeAbsolute) {
+      if (ignoreKey.test(key))
+        return value;
+      if (turn_lanes.test(key)) {
+        return value;
+      } else if (key === "incline" && numeric.test(value)) {
+        return value.replace(numeric, function(_, sign2) {
+          return sign2 === "-" ? "" : "-";
+        });
+      } else if (options2 && options2.reverseOneway && key === "oneway") {
+        return onewayReplacements[value] || value;
+      } else if (includeAbsolute && directionKey.test(key)) {
+        return value.split(";").map((value2) => {
+          if (compassReplacements[value2])
+            return compassReplacements[value2];
+          var degrees3 = Number(value2);
+          if (isFinite(degrees3)) {
+            if (degrees3 < 180) {
+              degrees3 += 180;
+            } else {
+              degrees3 -= 180;
+            }
+            return degrees3.toString();
+          } else {
+            return valueReplacements[value2] || value2;
+          }
+        }).join(";");
+      }
+      return valueReplacements[value] || value;
+    }
+    function reverseNodeTags(graph, nodeIDs) {
+      for (var i2 = 0; i2 < nodeIDs.length; i2++) {
+        var node = graph.hasEntity(nodeIDs[i2]);
+        if (!node || !Object.keys(node.tags).length)
+          continue;
+        var tags = {};
+        for (var key in node.tags) {
+          tags[reverseKey(key)] = reverseValue(key, node.tags[key], node.id === entityID);
+        }
+        graph = graph.replace(node.update({ tags }));
+      }
+      return graph;
+    }
+    function reverseWay(graph, way) {
+      var nodes = way.nodes.slice().reverse();
+      var tags = {};
+      var role;
+      for (var key in way.tags) {
+        tags[reverseKey(key)] = reverseValue(key, way.tags[key]);
+      }
+      graph.parentRelations(way).forEach(function(relation) {
+        relation.members.forEach(function(member, index) {
+          if (member.id === way.id && (role = roleReplacements[member.role])) {
+            relation = relation.updateMember({ role }, index);
+            graph = graph.replace(relation);
+          }
+        });
+      });
+      return reverseNodeTags(graph, nodes).replace(way.update({ nodes, tags }));
+    }
+    var action = function(graph) {
+      var entity = graph.entity(entityID);
+      if (entity.type === "way") {
+        return reverseWay(graph, entity);
+      }
+      return reverseNodeTags(graph, [entityID]);
+    };
+    action.disabled = function(graph) {
+      var entity = graph.hasEntity(entityID);
+      if (!entity || entity.type === "way")
+        return false;
+      for (var key in entity.tags) {
+        var value = entity.tags[key];
+        if (reverseKey(key) !== key || reverseValue(key, value, true) !== value) {
+          return false;
+        }
+      }
+      return "nondirectional_node";
+    };
+    action.entityID = function() {
+      return entityID;
+    };
+    return action;
+  }
+
+  // modules/osm/tags.js
+  function osmIsInterestingTag(key) {
+    return key !== "attribution" && key !== "created_by" && key !== "source" && key !== "odbl" && key.indexOf("source:") !== 0 && key.indexOf("source_ref") !== 0 && // purposely exclude colon
+    key.indexOf("tiger:") !== 0;
+  }
+  var osmLifecyclePrefixes = {
+    // nonexistent, might be built
+    proposed: true,
+    planned: true,
+    // under maintentance or between groundbreaking and opening
+    construction: true,
+    // existent but not functional
+    disused: true,
+    // dilapidated to nonexistent
+    abandoned: true,
+    was: true,
+    // nonexistent, still may appear in imagery
+    dismantled: true,
+    razed: true,
+    demolished: true,
+    destroyed: true,
+    removed: true,
+    obliterated: true,
+    // existent occasionally, e.g. stormwater drainage basin
+    intermittent: true
+  };
+  function osmRemoveLifecyclePrefix(key) {
+    const keySegments = key.split(":");
+    if (keySegments.length === 1)
+      return key;
+    if (keySegments[0] in osmLifecyclePrefixes) {
+      return key.slice(keySegments[0].length + 1);
+    }
+    return key;
+  }
+  var osmAreaKeys = {};
+  function osmSetAreaKeys(value) {
+    osmAreaKeys = value;
+  }
+  var osmAreaKeysExceptions = {
+    highway: {
+      elevator: true,
+      rest_area: true,
+      services: true
+    },
+    public_transport: {
+      platform: true
+    },
+    railway: {
+      platform: true,
+      roundhouse: true,
+      station: true,
+      traverser: true,
+      turntable: true,
+      wash: true
+    },
+    traffic_calming: {
+      island: true
+    },
+    waterway: {
+      dam: true
+    }
+  };
+  function osmTagSuggestingArea(tags) {
+    if (tags.area === "yes")
+      return { area: "yes" };
+    if (tags.area === "no")
+      return null;
+    var returnTags = {};
+    for (var realKey in tags) {
+      const key = osmRemoveLifecyclePrefix(realKey);
+      if (key in osmAreaKeys && !(tags[realKey] in osmAreaKeys[key])) {
+        returnTags[realKey] = tags[realKey];
+        return returnTags;
+      }
+      if (key in osmAreaKeysExceptions && tags[realKey] in osmAreaKeysExceptions[key]) {
+        returnTags[realKey] = tags[realKey];
+        return returnTags;
+      }
+    }
+    return null;
+  }
+  var osmLineTags = {};
+  function osmSetLineTags(value) {
+    osmLineTags = value;
+  }
+  var osmPointTags = {};
+  function osmSetPointTags(value) {
+    osmPointTags = value;
+  }
+  var osmVertexTags = {};
+  function osmSetVertexTags(value) {
+    osmVertexTags = value;
+  }
+  function osmNodeGeometriesForTags(nodeTags) {
+    var geometries = {};
+    for (var key in nodeTags) {
+      if (osmPointTags[key] && (osmPointTags[key]["*"] || osmPointTags[key][nodeTags[key]])) {
+        geometries.point = true;
+      }
+      if (osmVertexTags[key] && (osmVertexTags[key]["*"] || osmVertexTags[key][nodeTags[key]])) {
+        geometries.vertex = true;
+      }
+      if (geometries.point && geometries.vertex)
+        break;
+    }
+    return geometries;
+  }
+  var osmOneWayTags = {
+    "aerialway": {
+      "chair_lift": true,
+      "drag_lift": true,
+      "j-bar": true,
+      "magic_carpet": true,
+      "mixed_lift": true,
+      "platter": true,
+      "rope_tow": true,
+      "t-bar": true,
+      "zip_line": true
+    },
+    "highway": {
+      "motorway": true
+    },
+    "junction": {
+      "circular": true,
+      "roundabout": true
+    },
+    "man_made": {
+      "goods_conveyor": true,
+      "piste:halfpipe": true
+    },
+    "piste:type": {
+      "downhill": true,
+      "sled": true,
+      "yes": true
+    },
+    "seamark:type": {
+      "two-way_route": true,
+      "recommended_traffic_lane": true,
+      "separation_lane": true,
+      "separation_roundabout": true
+    },
+    "waterway": {
+      "canal": true,
+      "ditch": true,
+      "drain": true,
+      "fish_pass": true,
+      "pressurised": true,
+      "river": true,
+      "spillway": true,
+      "stream": true,
+      "tidal_channel": true
+    }
+  };
+  var osmPavedTags = {
+    "surface": {
+      "paved": true,
+      "asphalt": true,
+      "concrete": true,
+      "chipseal": true,
+      "concrete:lanes": true,
+      "concrete:plates": true
+    },
+    "tracktype": {
+      "grade1": true
+    }
+  };
+  var osmSemipavedTags = {
+    "surface": {
+      "cobblestone": true,
+      "cobblestone:flattened": true,
+      "unhewn_cobblestone": true,
+      "sett": true,
+      "paving_stones": true,
+      "metal": true,
+      "wood": true
+    }
+  };
+  var osmRightSideIsInsideTags = {
+    "natural": {
+      "cliff": true,
+      "coastline": "coastline"
+    },
+    "barrier": {
+      "retaining_wall": true,
+      "kerb": true,
+      "guard_rail": true,
+      "city_wall": true
+    },
+    "man_made": {
+      "embankment": true,
+      "quay": true
+    },
+    "waterway": {
+      "weir": true
+    }
+  };
+  var osmRoutableHighwayTagValues = {
+    motorway: true,
+    trunk: true,
+    primary: true,
+    secondary: true,
+    tertiary: true,
+    residential: true,
+    motorway_link: true,
+    trunk_link: true,
+    primary_link: true,
+    secondary_link: true,
+    tertiary_link: true,
+    unclassified: true,
+    road: true,
+    service: true,
+    track: true,
+    living_street: true,
+    bus_guideway: true,
+    path: true,
+    footway: true,
+    cycleway: true,
+    bridleway: true,
+    pedestrian: true,
+    corridor: true,
+    steps: true
+  };
+  var osmPathHighwayTagValues = {
+    path: true,
+    footway: true,
+    cycleway: true,
+    bridleway: true,
+    pedestrian: true,
+    corridor: true,
+    steps: true
+  };
+  var osmRailwayTrackTagValues = {
+    rail: true,
+    light_rail: true,
+    tram: true,
+    subway: true,
+    monorail: true,
+    funicular: true,
+    miniature: true,
+    narrow_gauge: true,
+    disused: true,
+    preserved: true
+  };
+  var osmFlowingWaterwayTagValues = {
+    canal: true,
+    ditch: true,
+    drain: true,
+    fish_pass: true,
+    river: true,
+    stream: true,
+    tidal_channel: true
+  };
+  var allowUpperCaseTagValues = /network|taxon|genus|species|brand|grape_variety|royal_cypher|listed_status|booth|rating|stars|:output|_hours|_times|_ref|manufacturer|country|target|brewery|cai_scale|traffic_sign/;
+
+  // node_modules/d3-array/src/ascending.js
+  function ascending(a, b) {
+    return a == null || b == null ? NaN : a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+  }
+
+  // node_modules/d3-array/src/descending.js
+  function descending(a, b) {
+    return a == null || b == null ? NaN : b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+  }
+
+  // node_modules/d3-array/src/bisector.js
+  function bisector(f2) {
+    let compare1, compare2, delta;
+    if (f2.length !== 2) {
+      compare1 = ascending;
+      compare2 = (d, x) => ascending(f2(d), x);
+      delta = (d, x) => f2(d) - x;
+    } else {
+      compare1 = f2 === ascending || f2 === descending ? f2 : zero;
+      compare2 = f2;
+      delta = f2;
+    }
+    function left(a, x, lo = 0, hi = a.length) {
+      if (lo < hi) {
+        if (compare1(x, x) !== 0)
+          return hi;
+        do {
+          const mid = lo + hi >>> 1;
+          if (compare2(a[mid], x) < 0)
+            lo = mid + 1;
+          else
+            hi = mid;
+        } while (lo < hi);
+      }
+      return lo;
+    }
+    function right(a, x, lo = 0, hi = a.length) {
+      if (lo < hi) {
+        if (compare1(x, x) !== 0)
+          return hi;
+        do {
+          const mid = lo + hi >>> 1;
+          if (compare2(a[mid], x) <= 0)
+            lo = mid + 1;
+          else
+            hi = mid;
+        } while (lo < hi);
+      }
+      return lo;
+    }
+    function center(a, x, lo = 0, hi = a.length) {
+      const i2 = left(a, x, lo, hi - 1);
+      return i2 > lo && delta(a[i2 - 1], x) > -delta(a[i2], x) ? i2 - 1 : i2;
+    }
+    return { left, center, right };
+  }
+  function zero() {
+    return 0;
+  }
+
+  // node_modules/d3-array/src/number.js
+  function number(x) {
+    return x === null ? NaN : +x;
+  }
+  function* numbers(values, valueof) {
+    if (valueof === void 0) {
+      for (let value of values) {
+        if (value != null && (value = +value) >= value) {
+          yield value;
+        }
+      }
+    } else {
+      let index = -1;
+      for (let value of values) {
+        if ((value = valueof(value, ++index, values)) != null && (value = +value) >= value) {
+          yield value;
+        }
+      }
+    }
+  }
+
+  // node_modules/d3-array/src/bisect.js
+  var ascendingBisect = bisector(ascending);
+  var bisectRight = ascendingBisect.right;
+  var bisectLeft = ascendingBisect.left;
+  var bisectCenter = bisector(number).center;
+  var bisect_default = bisectRight;
+
+  // node_modules/d3-array/src/fsum.js
+  var Adder = class {
+    constructor() {
+      this._partials = new Float64Array(32);
+      this._n = 0;
+    }
+    add(x) {
+      const p = this._partials;
+      let i2 = 0;
+      for (let j2 = 0; j2 < this._n && j2 < 32; j2++) {
+        const y = p[j2], hi = x + y, lo = Math.abs(x) < Math.abs(y) ? x - (hi - y) : y - (hi - x);
+        if (lo)
+          p[i2++] = lo;
+        x = hi;
+      }
+      p[i2] = x;
+      this._n = i2 + 1;
+      return this;
+    }
+    valueOf() {
+      const p = this._partials;
+      let n2 = this._n, x, y, lo, hi = 0;
+      if (n2 > 0) {
+        hi = p[--n2];
+        while (n2 > 0) {
+          x = hi;
+          y = p[--n2];
+          hi = x + y;
+          lo = y - (hi - x);
+          if (lo)
+            break;
+        }
+        if (n2 > 0 && (lo < 0 && p[n2 - 1] < 0 || lo > 0 && p[n2 - 1] > 0)) {
+          y = lo * 2;
+          x = hi + y;
+          if (y == x - hi)
+            hi = x;
+        }
+      }
+      return hi;
+    }
+  };
+
+  // node_modules/d3-array/src/sort.js
+  function compareDefined(compare = ascending) {
+    if (compare === ascending)
+      return ascendingDefined;
+    if (typeof compare !== "function")
+      throw new TypeError("compare is not a function");
+    return (a, b) => {
+      const x = compare(a, b);
+      if (x || x === 0)
+        return x;
+      return (compare(b, b) === 0) - (compare(a, a) === 0);
+    };
+  }
+  function ascendingDefined(a, b) {
+    return (a == null || !(a >= a)) - (b == null || !(b >= b)) || (a < b ? -1 : a > b ? 1 : 0);
+  }
+
+  // node_modules/d3-array/src/ticks.js
+  var e10 = Math.sqrt(50);
+  var e5 = Math.sqrt(10);
+  var e2 = Math.sqrt(2);
+  function ticks(start2, stop, count) {
+    var reverse, i2 = -1, n2, ticks2, step;
+    stop = +stop, start2 = +start2, count = +count;
+    if (start2 === stop && count > 0)
+      return [start2];
+    if (reverse = stop < start2)
+      n2 = start2, start2 = stop, stop = n2;
+    if ((step = tickIncrement(start2, stop, count)) === 0 || !isFinite(step))
+      return [];
+    if (step > 0) {
+      let r0 = Math.round(start2 / step), r1 = Math.round(stop / step);
+      if (r0 * step < start2)
+        ++r0;
+      if (r1 * step > stop)
+        --r1;
+      ticks2 = new Array(n2 = r1 - r0 + 1);
+      while (++i2 < n2)
+        ticks2[i2] = (r0 + i2) * step;
+    } else {
+      step = -step;
+      let r0 = Math.round(start2 * step), r1 = Math.round(stop * step);
+      if (r0 / step < start2)
+        ++r0;
+      if (r1 / step > stop)
+        --r1;
+      ticks2 = new Array(n2 = r1 - r0 + 1);
+      while (++i2 < n2)
+        ticks2[i2] = (r0 + i2) / step;
+    }
+    if (reverse)
+      ticks2.reverse();
+    return ticks2;
+  }
+  function tickIncrement(start2, stop, count) {
+    var step = (stop - start2) / Math.max(0, count), power = Math.floor(Math.log(step) / Math.LN10), error = step / Math.pow(10, power);
+    return power >= 0 ? (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1) * Math.pow(10, power) : -Math.pow(10, -power) / (error >= e10 ? 10 : error >= e5 ? 5 : error >= e2 ? 2 : 1);
+  }
+  function tickStep(start2, stop, count) {
+    var step0 = Math.abs(stop - start2) / Math.max(0, count), step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)), error = step0 / step1;
+    if (error >= e10)
+      step1 *= 10;
+    else if (error >= e5)
+      step1 *= 5;
+    else if (error >= e2)
+      step1 *= 2;
+    return stop < start2 ? -step1 : step1;
+  }
+
+  // node_modules/d3-array/src/max.js
+  function max(values, valueof) {
+    let max3;
+    if (valueof === void 0) {
+      for (const value of values) {
+        if (value != null && (max3 < value || max3 === void 0 && value >= value)) {
+          max3 = value;
+        }
+      }
+    } else {
+      let index = -1;
+      for (let value of values) {
+        if ((value = valueof(value, ++index, values)) != null && (max3 < value || max3 === void 0 && value >= value)) {
+          max3 = value;
+        }
+      }
+    }
+    return max3;
+  }
+
+  // node_modules/d3-array/src/min.js
+  function min(values, valueof) {
+    let min3;
+    if (valueof === void 0) {
+      for (const value of values) {
+        if (value != null && (min3 > value || min3 === void 0 && value >= value)) {
+          min3 = value;
+        }
+      }
+    } else {
+      let index = -1;
+      for (let value of values) {
+        if ((value = valueof(value, ++index, values)) != null && (min3 > value || min3 === void 0 && value >= value)) {
+          min3 = value;
+        }
+      }
+    }
+    return min3;
+  }
+
+  // node_modules/d3-array/src/quickselect.js
+  function quickselect(array2, k, left = 0, right = array2.length - 1, compare) {
+    compare = compare === void 0 ? ascendingDefined : compareDefined(compare);
+    while (right > left) {
+      if (right - left > 600) {
+        const n2 = right - left + 1;
+        const m = k - left + 1;
+        const z = Math.log(n2);
+        const s = 0.5 * Math.exp(2 * z / 3);
+        const sd = 0.5 * Math.sqrt(z * s * (n2 - s) / n2) * (m - n2 / 2 < 0 ? -1 : 1);
+        const newLeft = Math.max(left, Math.floor(k - m * s / n2 + sd));
+        const newRight = Math.min(right, Math.floor(k + (n2 - m) * s / n2 + sd));
+        quickselect(array2, k, newLeft, newRight, compare);
+      }
+      const t = array2[k];
+      let i2 = left;
+      let j2 = right;
+      swap(array2, left, k);
+      if (compare(array2[right], t) > 0)
+        swap(array2, left, right);
+      while (i2 < j2) {
+        swap(array2, i2, j2), ++i2, --j2;
+        while (compare(array2[i2], t) < 0)
+          ++i2;
+        while (compare(array2[j2], t) > 0)
+          --j2;
+      }
+      if (compare(array2[left], t) === 0)
+        swap(array2, left, j2);
+      else
+        ++j2, swap(array2, j2, right);
+      if (j2 <= k)
+        left = j2 + 1;
+      if (k <= j2)
+        right = j2 - 1;
+    }
+    return array2;
+  }
+  function swap(array2, i2, j2) {
+    const t = array2[i2];
+    array2[i2] = array2[j2];
+    array2[j2] = t;
+  }
+
+  // node_modules/d3-array/src/quantile.js
+  function quantile(values, p, valueof) {
+    values = Float64Array.from(numbers(values, valueof));
+    if (!(n2 = values.length))
+      return;
+    if ((p = +p) <= 0 || n2 < 2)
+      return min(values);
+    if (p >= 1)
+      return max(values);
+    var n2, i2 = (n2 - 1) * p, i0 = Math.floor(i2), value0 = max(quickselect(values, i0).subarray(0, i0 + 1)), value1 = min(values.subarray(i0 + 1));
+    return value0 + (value1 - value0) * (i2 - i0);
+  }
+
+  // node_modules/d3-array/src/median.js
+  function median(values, valueof) {
+    return quantile(values, 0.5, valueof);
+  }
+
+  // node_modules/d3-array/src/merge.js
+  function* flatten(arrays) {
+    for (const array2 of arrays) {
+      yield* array2;
+    }
+  }
+  function merge(arrays) {
+    return Array.from(flatten(arrays));
+  }
+
+  // node_modules/d3-array/src/range.js
+  function range(start2, stop, step) {
+    start2 = +start2, stop = +stop, step = (n2 = arguments.length) < 2 ? (stop = start2, start2 = 0, 1) : n2 < 3 ? 1 : +step;
+    var i2 = -1, n2 = Math.max(0, Math.ceil((stop - start2) / step)) | 0, range3 = new Array(n2);
+    while (++i2 < n2) {
+      range3[i2] = start2 + i2 * step;
+    }
+    return range3;
+  }
+
+  // node_modules/d3-geo/src/math.js
+  var epsilon = 1e-6;
+  var epsilon2 = 1e-12;
+  var pi = Math.PI;
+  var halfPi = pi / 2;
+  var quarterPi = pi / 4;
+  var tau = pi * 2;
+  var degrees = 180 / pi;
+  var radians = pi / 180;
+  var abs = Math.abs;
+  var atan = Math.atan;
+  var atan2 = Math.atan2;
+  var cos = Math.cos;
+  var exp = Math.exp;
+  var log = Math.log;
+  var sin = Math.sin;
+  var sign = Math.sign || function(x) {
+    return x > 0 ? 1 : x < 0 ? -1 : 0;
+  };
+  var sqrt = Math.sqrt;
+  var tan = Math.tan;
+  function acos(x) {
+    return x > 1 ? 0 : x < -1 ? pi : Math.acos(x);
+  }
+  function asin(x) {
+    return x > 1 ? halfPi : x < -1 ? -halfPi : Math.asin(x);
+  }
+
+  // node_modules/d3-geo/src/noop.js
+  function noop() {
+  }
+
+  // node_modules/d3-geo/src/stream.js
+  function streamGeometry(geometry, stream) {
+    if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) {
+      streamGeometryType[geometry.type](geometry, stream);
+    }
+  }
+  var streamObjectType = {
+    Feature: function(object, stream) {
+      streamGeometry(object.geometry, stream);
+    },
+    FeatureCollection: function(object, stream) {
+      var features = object.features, i2 = -1, n2 = features.length;
+      while (++i2 < n2)
+        streamGeometry(features[i2].geometry, stream);
+    }
+  };
+  var streamGeometryType = {
+    Sphere: function(object, stream) {
+      stream.sphere();
+    },
+    Point: function(object, stream) {
+      object = object.coordinates;
+      stream.point(object[0], object[1], object[2]);
+    },
+    MultiPoint: function(object, stream) {
+      var coordinates = object.coordinates, i2 = -1, n2 = coordinates.length;
+      while (++i2 < n2)
+        object = coordinates[i2], stream.point(object[0], object[1], object[2]);
+    },
+    LineString: function(object, stream) {
+      streamLine(object.coordinates, stream, 0);
+    },
+    MultiLineString: function(object, stream) {
+      var coordinates = object.coordinates, i2 = -1, n2 = coordinates.length;
+      while (++i2 < n2)
+        streamLine(coordinates[i2], stream, 0);
+    },
+    Polygon: function(object, stream) {
+      streamPolygon(object.coordinates, stream);
+    },
+    MultiPolygon: function(object, stream) {
+      var coordinates = object.coordinates, i2 = -1, n2 = coordinates.length;
+      while (++i2 < n2)
+        streamPolygon(coordinates[i2], stream);
+    },
+    GeometryCollection: function(object, stream) {
+      var geometries = object.geometries, i2 = -1, n2 = geometries.length;
+      while (++i2 < n2)
+        streamGeometry(geometries[i2], stream);
+    }
+  };
+  function streamLine(coordinates, stream, closed) {
+    var i2 = -1, n2 = coordinates.length - closed, coordinate;
+    stream.lineStart();
+    while (++i2 < n2)
+      coordinate = coordinates[i2], stream.point(coordinate[0], coordinate[1], coordinate[2]);
+    stream.lineEnd();
+  }
+  function streamPolygon(coordinates, stream) {
+    var i2 = -1, n2 = coordinates.length;
+    stream.polygonStart();
+    while (++i2 < n2)
+      streamLine(coordinates[i2], stream, 1);
+    stream.polygonEnd();
+  }
+  function stream_default(object, stream) {
+    if (object && streamObjectType.hasOwnProperty(object.type)) {
+      streamObjectType[object.type](object, stream);
+    } else {
+      streamGeometry(object, stream);
+    }
+  }
+
+  // node_modules/d3-geo/src/area.js
+  var areaRingSum = new Adder();
+  var areaSum = new Adder();
+  var lambda00;
+  var phi00;
+  var lambda0;
+  var cosPhi0;
+  var sinPhi0;
+  var areaStream = {
+    point: noop,
+    lineStart: noop,
+    lineEnd: noop,
+    polygonStart: function() {
+      areaRingSum = new Adder();
+      areaStream.lineStart = areaRingStart;
+      areaStream.lineEnd = areaRingEnd;
+    },
+    polygonEnd: function() {
+      var areaRing = +areaRingSum;
+      areaSum.add(areaRing < 0 ? tau + areaRing : areaRing);
+      this.lineStart = this.lineEnd = this.point = noop;
+    },
+    sphere: function() {
+      areaSum.add(tau);
+    }
+  };
+  function areaRingStart() {
+    areaStream.point = areaPointFirst;
+  }
+  function areaRingEnd() {
+    areaPoint(lambda00, phi00);
+  }
+  function areaPointFirst(lambda, phi) {
+    areaStream.point = areaPoint;
+    lambda00 = lambda, phi00 = phi;
+    lambda *= radians, phi *= radians;
+    lambda0 = lambda, cosPhi0 = cos(phi = phi / 2 + quarterPi), sinPhi0 = sin(phi);
+  }
+  function areaPoint(lambda, phi) {
+    lambda *= radians, phi *= radians;
+    phi = phi / 2 + quarterPi;
+    var dLambda = lambda - lambda0, sdLambda = dLambda >= 0 ? 1 : -1, adLambda = sdLambda * dLambda, cosPhi = cos(phi), sinPhi = sin(phi), k = sinPhi0 * sinPhi, u = cosPhi0 * cosPhi + k * cos(adLambda), v = k * sdLambda * sin(adLambda);
+    areaRingSum.add(atan2(v, u));
+    lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi;
+  }
+  function area_default(object) {
+    areaSum = new Adder();
+    stream_default(object, areaStream);
+    return areaSum * 2;
+  }
+
+  // node_modules/d3-geo/src/cartesian.js
+  function spherical(cartesian2) {
+    return [atan2(cartesian2[1], cartesian2[0]), asin(cartesian2[2])];
+  }
+  function cartesian(spherical2) {
+    var lambda = spherical2[0], phi = spherical2[1], cosPhi = cos(phi);
+    return [cosPhi * cos(lambda), cosPhi * sin(lambda), sin(phi)];
+  }
+  function cartesianDot(a, b) {
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
+  }
+  function cartesianCross(a, b) {
+    return [a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0]];
+  }
+  function cartesianAddInPlace(a, b) {
+    a[0] += b[0], a[1] += b[1], a[2] += b[2];
+  }
+  function cartesianScale(vector, k) {
+    return [vector[0] * k, vector[1] * k, vector[2] * k];
+  }
+  function cartesianNormalizeInPlace(d) {
+    var l = sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
+    d[0] /= l, d[1] /= l, d[2] /= l;
+  }
+
+  // node_modules/d3-geo/src/bounds.js
+  var lambda02;
+  var phi0;
+  var lambda1;
+  var phi1;
+  var lambda2;
+  var lambda002;
+  var phi002;
+  var p0;
+  var deltaSum;
+  var ranges;
+  var range2;
+  var boundsStream = {
+    point: boundsPoint,
+    lineStart: boundsLineStart,
+    lineEnd: boundsLineEnd,
+    polygonStart: function() {
+      boundsStream.point = boundsRingPoint;
+      boundsStream.lineStart = boundsRingStart;
+      boundsStream.lineEnd = boundsRingEnd;
+      deltaSum = new Adder();
+      areaStream.polygonStart();
+    },
+    polygonEnd: function() {
+      areaStream.polygonEnd();
+      boundsStream.point = boundsPoint;
+      boundsStream.lineStart = boundsLineStart;
+      boundsStream.lineEnd = boundsLineEnd;
+      if (areaRingSum < 0)
+        lambda02 = -(lambda1 = 180), phi0 = -(phi1 = 90);
+      else if (deltaSum > epsilon)
+        phi1 = 90;
+      else if (deltaSum < -epsilon)
+        phi0 = -90;
+      range2[0] = lambda02, range2[1] = lambda1;
+    },
+    sphere: function() {
+      lambda02 = -(lambda1 = 180), phi0 = -(phi1 = 90);
+    }
+  };
+  function boundsPoint(lambda, phi) {
+    ranges.push(range2 = [lambda02 = lambda, lambda1 = lambda]);
+    if (phi < phi0)
+      phi0 = phi;
+    if (phi > phi1)
+      phi1 = phi;
+  }
+  function linePoint(lambda, phi) {
+    var p = cartesian([lambda * radians, phi * radians]);
+    if (p0) {
+      var normal = cartesianCross(p0, p), equatorial = [normal[1], -normal[0], 0], inflection = cartesianCross(equatorial, normal);
+      cartesianNormalizeInPlace(inflection);
+      inflection = spherical(inflection);
+      var delta = lambda - lambda2, sign2 = delta > 0 ? 1 : -1, lambdai = inflection[0] * degrees * sign2, phii, antimeridian = abs(delta) > 180;
+      if (antimeridian ^ (sign2 * lambda2 < lambdai && lambdai < sign2 * lambda)) {
+        phii = inflection[1] * degrees;
+        if (phii > phi1)
+          phi1 = phii;
+      } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign2 * lambda2 < lambdai && lambdai < sign2 * lambda)) {
+        phii = -inflection[1] * degrees;
+        if (phii < phi0)
+          phi0 = phii;
+      } else {
+        if (phi < phi0)
+          phi0 = phi;
+        if (phi > phi1)
+          phi1 = phi;
+      }
+      if (antimeridian) {
+        if (lambda < lambda2) {
+          if (angle(lambda02, lambda) > angle(lambda02, lambda1))
+            lambda1 = lambda;
+        } else {
+          if (angle(lambda, lambda1) > angle(lambda02, lambda1))
+            lambda02 = lambda;
+        }
+      } else {
+        if (lambda1 >= lambda02) {
+          if (lambda < lambda02)
+            lambda02 = lambda;
+          if (lambda > lambda1)
+            lambda1 = lambda;
+        } else {
+          if (lambda > lambda2) {
+            if (angle(lambda02, lambda) > angle(lambda02, lambda1))
+              lambda1 = lambda;
+          } else {
+            if (angle(lambda, lambda1) > angle(lambda02, lambda1))
+              lambda02 = lambda;
+          }
+        }
+      }
+    } else {
+      ranges.push(range2 = [lambda02 = lambda, lambda1 = lambda]);
+    }
+    if (phi < phi0)
+      phi0 = phi;
+    if (phi > phi1)
+      phi1 = phi;
+    p0 = p, lambda2 = lambda;
+  }
+  function boundsLineStart() {
+    boundsStream.point = linePoint;
+  }
+  function boundsLineEnd() {
+    range2[0] = lambda02, range2[1] = lambda1;
+    boundsStream.point = boundsPoint;
+    p0 = null;
+  }
+  function boundsRingPoint(lambda, phi) {
+    if (p0) {
+      var delta = lambda - lambda2;
+      deltaSum.add(abs(delta) > 180 ? delta + (delta > 0 ? 360 : -360) : delta);
+    } else {
+      lambda002 = lambda, phi002 = phi;
+    }
+    areaStream.point(lambda, phi);
+    linePoint(lambda, phi);
+  }
+  function boundsRingStart() {
+    areaStream.lineStart();
+  }
+  function boundsRingEnd() {
+    boundsRingPoint(lambda002, phi002);
+    areaStream.lineEnd();
+    if (abs(deltaSum) > epsilon)
+      lambda02 = -(lambda1 = 180);
+    range2[0] = lambda02, range2[1] = lambda1;
+    p0 = null;
+  }
+  function angle(lambda04, lambda12) {
+    return (lambda12 -= lambda04) < 0 ? lambda12 + 360 : lambda12;
+  }
+  function rangeCompare(a, b) {
+    return a[0] - b[0];
+  }
+  function rangeContains(range3, x) {
+    return range3[0] <= range3[1] ? range3[0] <= x && x <= range3[1] : x < range3[0] || range3[1] < x;
+  }
+  function bounds_default(feature3) {
+    var i2, n2, a, b, merged, deltaMax, delta;
+    phi1 = lambda1 = -(lambda02 = phi0 = Infinity);
+    ranges = [];
+    stream_default(feature3, boundsStream);
+    if (n2 = ranges.length) {
+      ranges.sort(rangeCompare);
+      for (i2 = 1, a = ranges[0], merged = [a]; i2 < n2; ++i2) {
+        b = ranges[i2];
+        if (rangeContains(a, b[0]) || rangeContains(a, b[1])) {
+          if (angle(a[0], b[1]) > angle(a[0], a[1]))
+            a[1] = b[1];
+          if (angle(b[0], a[1]) > angle(a[0], a[1]))
+            a[0] = b[0];
+        } else {
+          merged.push(a = b);
+        }
+      }
+      for (deltaMax = -Infinity, n2 = merged.length - 1, i2 = 0, a = merged[n2]; i2 <= n2; a = b, ++i2) {
+        b = merged[i2];
+        if ((delta = angle(a[1], b[0])) > deltaMax)
+          deltaMax = delta, lambda02 = b[0], lambda1 = a[1];
+      }
+    }
+    ranges = range2 = null;
+    return lambda02 === Infinity || phi0 === Infinity ? [[NaN, NaN], [NaN, NaN]] : [[lambda02, phi0], [lambda1, phi1]];
+  }
+
+  // node_modules/d3-geo/src/compose.js
+  function compose_default(a, b) {
+    function compose(x, y) {
+      return x = a(x, y), b(x[0], x[1]);
+    }
+    if (a.invert && b.invert)
+      compose.invert = function(x, y) {
+        return x = b.invert(x, y), x && a.invert(x[0], x[1]);
+      };
+    return compose;
+  }
+
+  // node_modules/d3-geo/src/rotation.js
+  function rotationIdentity(lambda, phi) {
+    return [abs(lambda) > pi ? lambda + Math.round(-lambda / tau) * tau : lambda, phi];
+  }
+  rotationIdentity.invert = rotationIdentity;
+  function rotateRadians(deltaLambda, deltaPhi, deltaGamma) {
+    return (deltaLambda %= tau) ? deltaPhi || deltaGamma ? compose_default(rotationLambda(deltaLambda), rotationPhiGamma(deltaPhi, deltaGamma)) : rotationLambda(deltaLambda) : deltaPhi || deltaGamma ? rotationPhiGamma(deltaPhi, deltaGamma) : rotationIdentity;
+  }
+  function forwardRotationLambda(deltaLambda) {
+    return function(lambda, phi) {
+      return lambda += deltaLambda, [lambda > pi ? lambda - tau : lambda < -pi ? lambda + tau : lambda, phi];
+    };
+  }
+  function rotationLambda(deltaLambda) {
+    var rotation = forwardRotationLambda(deltaLambda);
+    rotation.invert = forwardRotationLambda(-deltaLambda);
+    return rotation;
+  }
+  function rotationPhiGamma(deltaPhi, deltaGamma) {
+    var cosDeltaPhi = cos(deltaPhi), sinDeltaPhi = sin(deltaPhi), cosDeltaGamma = cos(deltaGamma), sinDeltaGamma = sin(deltaGamma);
+    function rotation(lambda, phi) {
+      var cosPhi = cos(phi), x = cos(lambda) * cosPhi, y = sin(lambda) * cosPhi, z = sin(phi), k = z * cosDeltaPhi + x * sinDeltaPhi;
+      return [
+        atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi),
+        asin(k * cosDeltaGamma + y * sinDeltaGamma)
+      ];
+    }
+    rotation.invert = function(lambda, phi) {
+      var cosPhi = cos(phi), x = cos(lambda) * cosPhi, y = sin(lambda) * cosPhi, z = sin(phi), k = z * cosDeltaGamma - y * sinDeltaGamma;
+      return [
+        atan2(y * cosDeltaGamma + z * sinDeltaGamma, x * cosDeltaPhi + k * sinDeltaPhi),
+        asin(k * cosDeltaPhi - x * sinDeltaPhi)
+      ];
+    };
+    return rotation;
+  }
+  function rotation_default(rotate) {
+    rotate = rotateRadians(rotate[0] * radians, rotate[1] * radians, rotate.length > 2 ? rotate[2] * radians : 0);
+    function forward(coordinates) {
+      coordinates = rotate(coordinates[0] * radians, coordinates[1] * radians);
+      return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates;
+    }
+    forward.invert = function(coordinates) {
+      coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians);
+      return coordinates[0] *= degrees, coordinates[1] *= degrees, coordinates;
+    };
+    return forward;
+  }
+
+  // node_modules/d3-geo/src/circle.js
+  function circleStream(stream, radius, delta, direction, t0, t1) {
+    if (!delta)
+      return;
+    var cosRadius = cos(radius), sinRadius = sin(radius), step = direction * delta;
+    if (t0 == null) {
+      t0 = radius + direction * tau;
+      t1 = radius - step / 2;
+    } else {
+      t0 = circleRadius(cosRadius, t0);
+      t1 = circleRadius(cosRadius, t1);
+      if (direction > 0 ? t0 < t1 : t0 > t1)
+        t0 += direction * tau;
+    }
+    for (var point2, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) {
+      point2 = spherical([cosRadius, -sinRadius * cos(t), -sinRadius * sin(t)]);
+      stream.point(point2[0], point2[1]);
+    }
+  }
+  function circleRadius(cosRadius, point2) {
+    point2 = cartesian(point2), point2[0] -= cosRadius;
+    cartesianNormalizeInPlace(point2);
+    var radius = acos(-point2[1]);
+    return ((-point2[2] < 0 ? -radius : radius) + tau - epsilon) % tau;
+  }
+
+  // node_modules/d3-geo/src/clip/buffer.js
+  function buffer_default() {
+    var lines = [], line;
+    return {
+      point: function(x, y, m) {
+        line.push([x, y, m]);
+      },
+      lineStart: function() {
+        lines.push(line = []);
+      },
+      lineEnd: noop,
+      rejoin: function() {
+        if (lines.length > 1)
+          lines.push(lines.pop().concat(lines.shift()));
+      },
+      result: function() {
+        var result = lines;
+        lines = [];
+        line = null;
+        return result;
+      }
+    };
+  }
+
+  // node_modules/d3-geo/src/pointEqual.js
+  function pointEqual_default(a, b) {
+    return abs(a[0] - b[0]) < epsilon && abs(a[1] - b[1]) < epsilon;
+  }
+
+  // node_modules/d3-geo/src/clip/rejoin.js
+  function Intersection(point2, points, other, entry) {
+    this.x = point2;
+    this.z = points;
+    this.o = other;
+    this.e = entry;
+    this.v = false;
+    this.n = this.p = null;
+  }
+  function rejoin_default(segments, compareIntersection2, startInside, interpolate, stream) {
+    var subject = [], clip = [], i2, n2;
+    segments.forEach(function(segment) {
+      if ((n3 = segment.length - 1) <= 0)
+        return;
+      var n3, p02 = segment[0], p1 = segment[n3], x;
+      if (pointEqual_default(p02, p1)) {
+        if (!p02[2] && !p1[2]) {
+          stream.lineStart();
+          for (i2 = 0; i2 < n3; ++i2)
+            stream.point((p02 = segment[i2])[0], p02[1]);
+          stream.lineEnd();
+          return;
+        }
+        p1[0] += 2 * epsilon;
+      }
+      subject.push(x = new Intersection(p02, segment, null, true));
+      clip.push(x.o = new Intersection(p02, null, x, false));
+      subject.push(x = new Intersection(p1, segment, null, false));
+      clip.push(x.o = new Intersection(p1, null, x, true));
+    });
+    if (!subject.length)
+      return;
+    clip.sort(compareIntersection2);
+    link(subject);
+    link(clip);
+    for (i2 = 0, n2 = clip.length; i2 < n2; ++i2) {
+      clip[i2].e = startInside = !startInside;
+    }
+    var start2 = subject[0], points, point2;
+    while (1) {
+      var current = start2, isSubject = true;
+      while (current.v)
+        if ((current = current.n) === start2)
+          return;
+      points = current.z;
+      stream.lineStart();
+      do {
+        current.v = current.o.v = true;
+        if (current.e) {
+          if (isSubject) {
+            for (i2 = 0, n2 = points.length; i2 < n2; ++i2)
+              stream.point((point2 = points[i2])[0], point2[1]);
+          } else {
+            interpolate(current.x, current.n.x, 1, stream);
+          }
+          current = current.n;
+        } else {
+          if (isSubject) {
+            points = current.p.z;
+            for (i2 = points.length - 1; i2 >= 0; --i2)
+              stream.point((point2 = points[i2])[0], point2[1]);
+          } else {
+            interpolate(current.x, current.p.x, -1, stream);
+          }
+          current = current.p;
+        }
+        current = current.o;
+        points = current.z;
+        isSubject = !isSubject;
+      } while (!current.v);
+      stream.lineEnd();
+    }
+  }
+  function link(array2) {
+    if (!(n2 = array2.length))
+      return;
+    var n2, i2 = 0, a = array2[0], b;
+    while (++i2 < n2) {
+      a.n = b = array2[i2];
+      b.p = a;
+      a = b;
+    }
+    a.n = b = array2[0];
+    b.p = a;
+  }
+
+  // node_modules/d3-geo/src/polygonContains.js
+  function longitude(point2) {
+    return abs(point2[0]) <= pi ? point2[0] : sign(point2[0]) * ((abs(point2[0]) + pi) % tau - pi);
+  }
+  function polygonContains_default(polygon2, point2) {
+    var lambda = longitude(point2), phi = point2[1], sinPhi = sin(phi), normal = [sin(lambda), -cos(lambda), 0], angle2 = 0, winding = 0;
+    var sum = new Adder();
+    if (sinPhi === 1)
+      phi = halfPi + epsilon;
+    else if (sinPhi === -1)
+      phi = -halfPi - epsilon;
+    for (var i2 = 0, n2 = polygon2.length; i2 < n2; ++i2) {
+      if (!(m = (ring = polygon2[i2]).length))
+        continue;
+      var ring, m, point0 = ring[m - 1], lambda04 = longitude(point0), phi02 = point0[1] / 2 + quarterPi, sinPhi03 = sin(phi02), cosPhi03 = cos(phi02);
+      for (var j2 = 0; j2 < m; ++j2, lambda04 = lambda12, sinPhi03 = sinPhi1, cosPhi03 = cosPhi1, point0 = point1) {
+        var point1 = ring[j2], lambda12 = longitude(point1), phi12 = point1[1] / 2 + quarterPi, sinPhi1 = sin(phi12), cosPhi1 = cos(phi12), delta = lambda12 - lambda04, sign2 = delta >= 0 ? 1 : -1, absDelta = sign2 * delta, antimeridian = absDelta > pi, k = sinPhi03 * sinPhi1;
+        sum.add(atan2(k * sign2 * sin(absDelta), cosPhi03 * cosPhi1 + k * cos(absDelta)));
+        angle2 += antimeridian ? delta + sign2 * tau : delta;
+        if (antimeridian ^ lambda04 >= lambda ^ lambda12 >= lambda) {
+          var arc = cartesianCross(cartesian(point0), cartesian(point1));
+          cartesianNormalizeInPlace(arc);
+          var intersection = cartesianCross(normal, arc);
+          cartesianNormalizeInPlace(intersection);
+          var phiArc = (antimeridian ^ delta >= 0 ? -1 : 1) * asin(intersection[2]);
+          if (phi > phiArc || phi === phiArc && (arc[0] || arc[1])) {
+            winding += antimeridian ^ delta >= 0 ? 1 : -1;
+          }
+        }
+      }
+    }
+    return (angle2 < -epsilon || angle2 < epsilon && sum < -epsilon2) ^ winding & 1;
+  }
+
+  // node_modules/d3-geo/src/clip/index.js
+  function clip_default(pointVisible, clipLine, interpolate, start2) {
+    return function(sink) {
+      var line = clipLine(sink), ringBuffer = buffer_default(), ringSink = clipLine(ringBuffer), polygonStarted = false, polygon2, segments, ring;
+      var clip = {
+        point: point2,
+        lineStart,
+        lineEnd,
+        polygonStart: function() {
+          clip.point = pointRing;
+          clip.lineStart = ringStart;
+          clip.lineEnd = ringEnd;
+          segments = [];
+          polygon2 = [];
+        },
+        polygonEnd: function() {
+          clip.point = point2;
+          clip.lineStart = lineStart;
+          clip.lineEnd = lineEnd;
+          segments = merge(segments);
+          var startInside = polygonContains_default(polygon2, start2);
+          if (segments.length) {
+            if (!polygonStarted)
+              sink.polygonStart(), polygonStarted = true;
+            rejoin_default(segments, compareIntersection, startInside, interpolate, sink);
+          } else if (startInside) {
+            if (!polygonStarted)
+              sink.polygonStart(), polygonStarted = true;
+            sink.lineStart();
+            interpolate(null, null, 1, sink);
+            sink.lineEnd();
+          }
+          if (polygonStarted)
+            sink.polygonEnd(), polygonStarted = false;
+          segments = polygon2 = null;
+        },
+        sphere: function() {
+          sink.polygonStart();
+          sink.lineStart();
+          interpolate(null, null, 1, sink);
+          sink.lineEnd();
+          sink.polygonEnd();
+        }
+      };
+      function point2(lambda, phi) {
+        if (pointVisible(lambda, phi))
+          sink.point(lambda, phi);
+      }
+      function pointLine(lambda, phi) {
+        line.point(lambda, phi);
+      }
+      function lineStart() {
+        clip.point = pointLine;
+        line.lineStart();
+      }
+      function lineEnd() {
+        clip.point = point2;
+        line.lineEnd();
+      }
+      function pointRing(lambda, phi) {
+        ring.push([lambda, phi]);
+        ringSink.point(lambda, phi);
+      }
+      function ringStart() {
+        ringSink.lineStart();
+        ring = [];
+      }
+      function ringEnd() {
+        pointRing(ring[0][0], ring[0][1]);
+        ringSink.lineEnd();
+        var clean2 = ringSink.clean(), ringSegments = ringBuffer.result(), i2, n2 = ringSegments.length, m, segment, point3;
+        ring.pop();
+        polygon2.push(ring);
+        ring = null;
+        if (!n2)
+          return;
+        if (clean2 & 1) {
+          segment = ringSegments[0];
+          if ((m = segment.length - 1) > 0) {
+            if (!polygonStarted)
+              sink.polygonStart(), polygonStarted = true;
+            sink.lineStart();
+            for (i2 = 0; i2 < m; ++i2)
+              sink.point((point3 = segment[i2])[0], point3[1]);
+            sink.lineEnd();
+          }
+          return;
+        }
+        if (n2 > 1 && clean2 & 2)
+          ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
+        segments.push(ringSegments.filter(validSegment));
+      }
+      return clip;
+    };
+  }
+  function validSegment(segment) {
+    return segment.length > 1;
+  }
+  function compareIntersection(a, b) {
+    return ((a = a.x)[0] < 0 ? a[1] - halfPi - epsilon : halfPi - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfPi - epsilon : halfPi - b[1]);
+  }
+
+  // node_modules/d3-geo/src/clip/antimeridian.js
+  var antimeridian_default = clip_default(
+    function() {
+      return true;
+    },
+    clipAntimeridianLine,
+    clipAntimeridianInterpolate,
+    [-pi, -halfPi]
+  );
+  function clipAntimeridianLine(stream) {
+    var lambda04 = NaN, phi02 = NaN, sign0 = NaN, clean2;
+    return {
+      lineStart: function() {
+        stream.lineStart();
+        clean2 = 1;
+      },
+      point: function(lambda12, phi12) {
+        var sign1 = lambda12 > 0 ? pi : -pi, delta = abs(lambda12 - lambda04);
+        if (abs(delta - pi) < epsilon) {
+          stream.point(lambda04, phi02 = (phi02 + phi12) / 2 > 0 ? halfPi : -halfPi);
+          stream.point(sign0, phi02);
+          stream.lineEnd();
+          stream.lineStart();
+          stream.point(sign1, phi02);
+          stream.point(lambda12, phi02);
+          clean2 = 0;
+        } else if (sign0 !== sign1 && delta >= pi) {
+          if (abs(lambda04 - sign0) < epsilon)
+            lambda04 -= sign0 * epsilon;
+          if (abs(lambda12 - sign1) < epsilon)
+            lambda12 -= sign1 * epsilon;
+          phi02 = clipAntimeridianIntersect(lambda04, phi02, lambda12, phi12);
+          stream.point(sign0, phi02);
+          stream.lineEnd();
+          stream.lineStart();
+          stream.point(sign1, phi02);
+          clean2 = 0;
+        }
+        stream.point(lambda04 = lambda12, phi02 = phi12);
+        sign0 = sign1;
+      },
+      lineEnd: function() {
+        stream.lineEnd();
+        lambda04 = phi02 = NaN;
+      },
+      clean: function() {
+        return 2 - clean2;
+      }
+    };
+  }
+  function clipAntimeridianIntersect(lambda04, phi02, lambda12, phi12) {
+    var cosPhi03, cosPhi1, sinLambda0Lambda1 = sin(lambda04 - lambda12);
+    return abs(sinLambda0Lambda1) > epsilon ? atan((sin(phi02) * (cosPhi1 = cos(phi12)) * sin(lambda12) - sin(phi12) * (cosPhi03 = cos(phi02)) * sin(lambda04)) / (cosPhi03 * cosPhi1 * sinLambda0Lambda1)) : (phi02 + phi12) / 2;
+  }
+  function clipAntimeridianInterpolate(from, to, direction, stream) {
+    var phi;
+    if (from == null) {
+      phi = direction * halfPi;
+      stream.point(-pi, phi);
+      stream.point(0, phi);
+      stream.point(pi, phi);
+      stream.point(pi, 0);
+      stream.point(pi, -phi);
+      stream.point(0, -phi);
+      stream.point(-pi, -phi);
+      stream.point(-pi, 0);
+      stream.point(-pi, phi);
+    } else if (abs(from[0] - to[0]) > epsilon) {
+      var lambda = from[0] < to[0] ? pi : -pi;
+      phi = direction * lambda / 2;
+      stream.point(-lambda, phi);
+      stream.point(0, phi);
+      stream.point(lambda, phi);
+    } else {
+      stream.point(to[0], to[1]);
+    }
+  }
+
+  // node_modules/d3-geo/src/clip/circle.js
+  function circle_default(radius) {
+    var cr = cos(radius), delta = 6 * radians, smallRadius = cr > 0, notHemisphere = abs(cr) > epsilon;
+    function interpolate(from, to, direction, stream) {
+      circleStream(stream, radius, delta, direction, from, to);
+    }
+    function visible(lambda, phi) {
+      return cos(lambda) * cos(phi) > cr;
+    }
+    function clipLine(stream) {
+      var point0, c0, v0, v00, clean2;
+      return {
+        lineStart: function() {
+          v00 = v0 = false;
+          clean2 = 1;
+        },
+        point: function(lambda, phi) {
+          var point1 = [lambda, phi], point2, v = visible(lambda, phi), c = smallRadius ? v ? 0 : code(lambda, phi) : v ? code(lambda + (lambda < 0 ? pi : -pi), phi) : 0;
+          if (!point0 && (v00 = v0 = v))
+            stream.lineStart();
+          if (v !== v0) {
+            point2 = intersect2(point0, point1);
+            if (!point2 || pointEqual_default(point0, point2) || pointEqual_default(point1, point2))
+              point1[2] = 1;
+          }
+          if (v !== v0) {
+            clean2 = 0;
+            if (v) {
+              stream.lineStart();
+              point2 = intersect2(point1, point0);
+              stream.point(point2[0], point2[1]);
+            } else {
+              point2 = intersect2(point0, point1);
+              stream.point(point2[0], point2[1], 2);
+              stream.lineEnd();
+            }
+            point0 = point2;
+          } else if (notHemisphere && point0 && smallRadius ^ v) {
+            var t;
+            if (!(c & c0) && (t = intersect2(point1, point0, true))) {
+              clean2 = 0;
+              if (smallRadius) {
+                stream.lineStart();
+                stream.point(t[0][0], t[0][1]);
+                stream.point(t[1][0], t[1][1]);
+                stream.lineEnd();
+              } else {
+                stream.point(t[1][0], t[1][1]);
+                stream.lineEnd();
+                stream.lineStart();
+                stream.point(t[0][0], t[0][1], 3);
+              }
+            }
+          }
+          if (v && (!point0 || !pointEqual_default(point0, point1))) {
+            stream.point(point1[0], point1[1]);
+          }
+          point0 = point1, v0 = v, c0 = c;
+        },
+        lineEnd: function() {
+          if (v0)
+            stream.lineEnd();
+          point0 = null;
+        },
+        // Rejoin first and last segments if there were intersections and the first
+        // and last points were visible.
+        clean: function() {
+          return clean2 | (v00 && v0) << 1;
+        }
+      };
+    }
+    function intersect2(a, b, two) {
+      var pa = cartesian(a), pb = cartesian(b);
+      var n1 = [1, 0, 0], n2 = cartesianCross(pa, pb), n2n2 = cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
+      if (!determinant)
+        return !two && a;
+      var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = cartesianCross(n1, n2), A = cartesianScale(n1, c1), B = cartesianScale(n2, c2);
+      cartesianAddInPlace(A, B);
+      var u = n1xn2, w = cartesianDot(A, u), uu = cartesianDot(u, u), t2 = w * w - uu * (cartesianDot(A, A) - 1);
+      if (t2 < 0)
+        return;
+      var t = sqrt(t2), q = cartesianScale(u, (-w - t) / uu);
+      cartesianAddInPlace(q, A);
+      q = spherical(q);
+      if (!two)
+        return q;
+      var lambda04 = a[0], lambda12 = b[0], phi02 = a[1], phi12 = b[1], z;
+      if (lambda12 < lambda04)
+        z = lambda04, lambda04 = lambda12, lambda12 = z;
+      var delta2 = lambda12 - lambda04, polar = abs(delta2 - pi) < epsilon, meridian = polar || delta2 < epsilon;
+      if (!polar && phi12 < phi02)
+        z = phi02, phi02 = phi12, phi12 = z;
+      if (meridian ? polar ? phi02 + phi12 > 0 ^ q[1] < (abs(q[0] - lambda04) < epsilon ? phi02 : phi12) : phi02 <= q[1] && q[1] <= phi12 : delta2 > pi ^ (lambda04 <= q[0] && q[0] <= lambda12)) {
+        var q1 = cartesianScale(u, (-w + t) / uu);
+        cartesianAddInPlace(q1, A);
+        return [q, spherical(q1)];
+      }
+    }
+    function code(lambda, phi) {
+      var r = smallRadius ? radius : pi - radius, code2 = 0;
+      if (lambda < -r)
+        code2 |= 1;
+      else if (lambda > r)
+        code2 |= 2;
+      if (phi < -r)
+        code2 |= 4;
+      else if (phi > r)
+        code2 |= 8;
+      return code2;
+    }
+    return clip_default(visible, clipLine, interpolate, smallRadius ? [0, -radius] : [-pi, radius - pi]);
+  }
+
+  // node_modules/d3-geo/src/clip/line.js
+  function line_default(a, b, x05, y05, x12, y12) {
+    var ax = a[0], ay = a[1], bx = b[0], by = b[1], t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;
+    r = x05 - ax;
+    if (!dx && r > 0)
+      return;
+    r /= dx;
+    if (dx < 0) {
+      if (r < t0)
+        return;
+      if (r < t1)
+        t1 = r;
+    } else if (dx > 0) {
+      if (r > t1)
+        return;
+      if (r > t0)
+        t0 = r;
+    }
+    r = x12 - ax;
+    if (!dx && r < 0)
+      return;
+    r /= dx;
+    if (dx < 0) {
+      if (r > t1)
+        return;
+      if (r > t0)
+        t0 = r;
+    } else if (dx > 0) {
+      if (r < t0)
+        return;
+      if (r < t1)
+        t1 = r;
+    }
+    r = y05 - ay;
+    if (!dy && r > 0)
+      return;
+    r /= dy;
+    if (dy < 0) {
+      if (r < t0)
+        return;
+      if (r < t1)
+        t1 = r;
+    } else if (dy > 0) {
+      if (r > t1)
+        return;
+      if (r > t0)
+        t0 = r;
+    }
+    r = y12 - ay;
+    if (!dy && r < 0)
+      return;
+    r /= dy;
+    if (dy < 0) {
+      if (r > t1)
+        return;
+      if (r > t0)
+        t0 = r;
+    } else if (dy > 0) {
+      if (r < t0)
+        return;
+      if (r < t1)
+        t1 = r;
+    }
+    if (t0 > 0)
+      a[0] = ax + t0 * dx, a[1] = ay + t0 * dy;
+    if (t1 < 1)
+      b[0] = ax + t1 * dx, b[1] = ay + t1 * dy;
+    return true;
+  }
+
+  // node_modules/d3-geo/src/clip/rectangle.js
+  var clipMax = 1e9;
+  var clipMin = -clipMax;
+  function clipRectangle(x05, y05, x12, y12) {
+    function visible(x, y) {
+      return x05 <= x && x <= x12 && y05 <= y && y <= y12;
+    }
+    function interpolate(from, to, direction, stream) {
+      var a = 0, a1 = 0;
+      if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoint(from, to) < 0 ^ direction > 0) {
+        do
+          stream.point(a === 0 || a === 3 ? x05 : x12, a > 1 ? y12 : y05);
+        while ((a = (a + direction + 4) % 4) !== a1);
+      } else {
+        stream.point(to[0], to[1]);
+      }
+    }
+    function corner(p, direction) {
+      return abs(p[0] - x05) < epsilon ? direction > 0 ? 0 : 3 : abs(p[0] - x12) < epsilon ? direction > 0 ? 2 : 1 : abs(p[1] - y05) < epsilon ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
+    }
+    function compareIntersection2(a, b) {
+      return comparePoint(a.x, b.x);
+    }
+    function comparePoint(a, b) {
+      var ca = corner(a, 1), cb = corner(b, 1);
+      return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
+    }
+    return function(stream) {
+      var activeStream = stream, bufferStream = buffer_default(), segments, polygon2, ring, x__, y__, v__, x_, y_, v_, first, clean2;
+      var clipStream = {
+        point: point2,
+        lineStart,
+        lineEnd,
+        polygonStart,
+        polygonEnd
+      };
+      function point2(x, y) {
+        if (visible(x, y))
+          activeStream.point(x, y);
+      }
+      function polygonInside() {
+        var winding = 0;
+        for (var i2 = 0, n2 = polygon2.length; i2 < n2; ++i2) {
+          for (var ring2 = polygon2[i2], j2 = 1, m = ring2.length, point3 = ring2[0], a0, a1, b0 = point3[0], b1 = point3[1]; j2 < m; ++j2) {
+            a0 = b0, a1 = b1, point3 = ring2[j2], b0 = point3[0], b1 = point3[1];
+            if (a1 <= y12) {
+              if (b1 > y12 && (b0 - a0) * (y12 - a1) > (b1 - a1) * (x05 - a0))
+                ++winding;
+            } else {
+              if (b1 <= y12 && (b0 - a0) * (y12 - a1) < (b1 - a1) * (x05 - a0))
+                --winding;
+            }
+          }
+        }
+        return winding;
+      }
+      function polygonStart() {
+        activeStream = bufferStream, segments = [], polygon2 = [], clean2 = true;
+      }
+      function polygonEnd() {
+        var startInside = polygonInside(), cleanInside = clean2 && startInside, visible2 = (segments = merge(segments)).length;
+        if (cleanInside || visible2) {
+          stream.polygonStart();
+          if (cleanInside) {
+            stream.lineStart();
+            interpolate(null, null, 1, stream);
+            stream.lineEnd();
+          }
+          if (visible2) {
+            rejoin_default(segments, compareIntersection2, startInside, interpolate, stream);
+          }
+          stream.polygonEnd();
+        }
+        activeStream = stream, segments = polygon2 = ring = null;
+      }
+      function lineStart() {
+        clipStream.point = linePoint2;
+        if (polygon2)
+          polygon2.push(ring = []);
+        first = true;
+        v_ = false;
+        x_ = y_ = NaN;
+      }
+      function lineEnd() {
+        if (segments) {
+          linePoint2(x__, y__);
+          if (v__ && v_)
+            bufferStream.rejoin();
+          segments.push(bufferStream.result());
+        }
+        clipStream.point = point2;
+        if (v_)
+          activeStream.lineEnd();
+      }
+      function linePoint2(x, y) {
+        var v = visible(x, y);
+        if (polygon2)
+          ring.push([x, y]);
+        if (first) {
+          x__ = x, y__ = y, v__ = v;
+          first = false;
+          if (v) {
+            activeStream.lineStart();
+            activeStream.point(x, y);
+          }
+        } else {
+          if (v && v_)
+            activeStream.point(x, y);
+          else {
+            var a = [x_ = Math.max(clipMin, Math.min(clipMax, x_)), y_ = Math.max(clipMin, Math.min(clipMax, y_))], b = [x = Math.max(clipMin, Math.min(clipMax, x)), y = Math.max(clipMin, Math.min(clipMax, y))];
+            if (line_default(a, b, x05, y05, x12, y12)) {
+              if (!v_) {
+                activeStream.lineStart();
+                activeStream.point(a[0], a[1]);
+              }
+              activeStream.point(b[0], b[1]);
+              if (!v)
+                activeStream.lineEnd();
+              clean2 = false;
+            } else if (v) {
+              activeStream.lineStart();
+              activeStream.point(x, y);
+              clean2 = false;
+            }
+          }
+        }
+        x_ = x, y_ = y, v_ = v;
+      }
+      return clipStream;
+    };
+  }
+
+  // node_modules/d3-geo/src/length.js
+  var lengthSum;
+  var lambda03;
+  var sinPhi02;
+  var cosPhi02;
+  var lengthStream = {
+    sphere: noop,
+    point: noop,
+    lineStart: lengthLineStart,
+    lineEnd: noop,
+    polygonStart: noop,
+    polygonEnd: noop
+  };
+  function lengthLineStart() {
+    lengthStream.point = lengthPointFirst;
+    lengthStream.lineEnd = lengthLineEnd;
+  }
+  function lengthLineEnd() {
+    lengthStream.point = lengthStream.lineEnd = noop;
+  }
+  function lengthPointFirst(lambda, phi) {
+    lambda *= radians, phi *= radians;
+    lambda03 = lambda, sinPhi02 = sin(phi), cosPhi02 = cos(phi);
+    lengthStream.point = lengthPoint;
+  }
+  function lengthPoint(lambda, phi) {
+    lambda *= radians, phi *= radians;
+    var sinPhi = sin(phi), cosPhi = cos(phi), delta = abs(lambda - lambda03), cosDelta = cos(delta), sinDelta = sin(delta), x = cosPhi * sinDelta, y = cosPhi02 * sinPhi - sinPhi02 * cosPhi * cosDelta, z = sinPhi02 * sinPhi + cosPhi02 * cosPhi * cosDelta;
+    lengthSum.add(atan2(sqrt(x * x + y * y), z));
+    lambda03 = lambda, sinPhi02 = sinPhi, cosPhi02 = cosPhi;
+  }
+  function length_default(object) {
+    lengthSum = new Adder();
+    stream_default(object, lengthStream);
+    return +lengthSum;
+  }
+
+  // node_modules/d3-geo/src/identity.js
+  var identity_default = (x) => x;
+
+  // node_modules/d3-geo/src/path/area.js
+  var areaSum2 = new Adder();
+  var areaRingSum2 = new Adder();
+  var x00;
+  var y00;
+  var x0;
+  var y0;
+  var areaStream2 = {
+    point: noop,
+    lineStart: noop,
+    lineEnd: noop,
+    polygonStart: function() {
+      areaStream2.lineStart = areaRingStart2;
+      areaStream2.lineEnd = areaRingEnd2;
+    },
+    polygonEnd: function() {
+      areaStream2.lineStart = areaStream2.lineEnd = areaStream2.point = noop;
+      areaSum2.add(abs(areaRingSum2));
+      areaRingSum2 = new Adder();
+    },
+    result: function() {
+      var area = areaSum2 / 2;
+      areaSum2 = new Adder();
+      return area;
+    }
+  };
+  function areaRingStart2() {
+    areaStream2.point = areaPointFirst2;
+  }
+  function areaPointFirst2(x, y) {
+    areaStream2.point = areaPoint2;
+    x00 = x0 = x, y00 = y0 = y;
+  }
+  function areaPoint2(x, y) {
+    areaRingSum2.add(y0 * x - x0 * y);
+    x0 = x, y0 = y;
+  }
+  function areaRingEnd2() {
+    areaPoint2(x00, y00);
+  }
+  var area_default2 = areaStream2;
+
+  // node_modules/d3-geo/src/path/bounds.js
+  var x02 = Infinity;
+  var y02 = x02;
+  var x1 = -x02;
+  var y1 = x1;
+  var boundsStream2 = {
+    point: boundsPoint2,
+    lineStart: noop,
+    lineEnd: noop,
+    polygonStart: noop,
+    polygonEnd: noop,
+    result: function() {
+      var bounds = [[x02, y02], [x1, y1]];
+      x1 = y1 = -(y02 = x02 = Infinity);
+      return bounds;
+    }
+  };
+  function boundsPoint2(x, y) {
+    if (x < x02)
+      x02 = x;
+    if (x > x1)
+      x1 = x;
+    if (y < y02)
+      y02 = y;
+    if (y > y1)
+      y1 = y;
+  }
+  var bounds_default2 = boundsStream2;
+
+  // node_modules/d3-geo/src/path/centroid.js
+  var X0 = 0;
+  var Y0 = 0;
+  var Z0 = 0;
+  var X1 = 0;
+  var Y1 = 0;
+  var Z1 = 0;
+  var X2 = 0;
+  var Y2 = 0;
+  var Z2 = 0;
+  var x002;
+  var y002;
+  var x03;
+  var y03;
+  var centroidStream = {
+    point: centroidPoint,
+    lineStart: centroidLineStart,
+    lineEnd: centroidLineEnd,
+    polygonStart: function() {
+      centroidStream.lineStart = centroidRingStart;
+      centroidStream.lineEnd = centroidRingEnd;
+    },
+    polygonEnd: function() {
+      centroidStream.point = centroidPoint;
+      centroidStream.lineStart = centroidLineStart;
+      centroidStream.lineEnd = centroidLineEnd;
+    },
+    result: function() {
+      var centroid = Z2 ? [X2 / Z2, Y2 / Z2] : Z1 ? [X1 / Z1, Y1 / Z1] : Z0 ? [X0 / Z0, Y0 / Z0] : [NaN, NaN];
+      X0 = Y0 = Z0 = X1 = Y1 = Z1 = X2 = Y2 = Z2 = 0;
+      return centroid;
+    }
+  };
+  function centroidPoint(x, y) {
+    X0 += x;
+    Y0 += y;
+    ++Z0;
+  }
+  function centroidLineStart() {
+    centroidStream.point = centroidPointFirstLine;
+  }
+  function centroidPointFirstLine(x, y) {
+    centroidStream.point = centroidPointLine;
+    centroidPoint(x03 = x, y03 = y);
+  }
+  function centroidPointLine(x, y) {
+    var dx = x - x03, dy = y - y03, z = sqrt(dx * dx + dy * dy);
+    X1 += z * (x03 + x) / 2;
+    Y1 += z * (y03 + y) / 2;
+    Z1 += z;
+    centroidPoint(x03 = x, y03 = y);
+  }
+  function centroidLineEnd() {
+    centroidStream.point = centroidPoint;
+  }
+  function centroidRingStart() {
+    centroidStream.point = centroidPointFirstRing;
+  }
+  function centroidRingEnd() {
+    centroidPointRing(x002, y002);
+  }
+  function centroidPointFirstRing(x, y) {
+    centroidStream.point = centroidPointRing;
+    centroidPoint(x002 = x03 = x, y002 = y03 = y);
+  }
+  function centroidPointRing(x, y) {
+    var dx = x - x03, dy = y - y03, z = sqrt(dx * dx + dy * dy);
+    X1 += z * (x03 + x) / 2;
+    Y1 += z * (y03 + y) / 2;
+    Z1 += z;
+    z = y03 * x - x03 * y;
+    X2 += z * (x03 + x);
+    Y2 += z * (y03 + y);
+    Z2 += z * 3;
+    centroidPoint(x03 = x, y03 = y);
+  }
+  var centroid_default = centroidStream;
+
+  // node_modules/d3-geo/src/path/context.js
+  function PathContext(context) {
+    this._context = context;
+  }
+  PathContext.prototype = {
+    _radius: 4.5,
+    pointRadius: function(_) {
+      return this._radius = _, this;
+    },
+    polygonStart: function() {
+      this._line = 0;
+    },
+    polygonEnd: function() {
+      this._line = NaN;
+    },
+    lineStart: function() {
+      this._point = 0;
+    },
+    lineEnd: function() {
+      if (this._line === 0)
+        this._context.closePath();
+      this._point = NaN;
+    },
+    point: function(x, y) {
+      switch (this._point) {
+        case 0: {
+          this._context.moveTo(x, y);
+          this._point = 1;
+          break;
+        }
+        case 1: {
+          this._context.lineTo(x, y);
+          break;
+        }
+        default: {
+          this._context.moveTo(x + this._radius, y);
+          this._context.arc(x, y, this._radius, 0, tau);
+          break;
+        }
+      }
+    },
+    result: noop
+  };
+
+  // node_modules/d3-geo/src/path/measure.js
+  var lengthSum2 = new Adder();
+  var lengthRing;
+  var x003;
+  var y003;
+  var x04;
+  var y04;
+  var lengthStream2 = {
+    point: noop,
+    lineStart: function() {
+      lengthStream2.point = lengthPointFirst2;
+    },
+    lineEnd: function() {
+      if (lengthRing)
+        lengthPoint2(x003, y003);
+      lengthStream2.point = noop;
+    },
+    polygonStart: function() {
+      lengthRing = true;
+    },
+    polygonEnd: function() {
+      lengthRing = null;
+    },
+    result: function() {
+      var length = +lengthSum2;
+      lengthSum2 = new Adder();
+      return length;
+    }
+  };
+  function lengthPointFirst2(x, y) {
+    lengthStream2.point = lengthPoint2;
+    x003 = x04 = x, y003 = y04 = y;
+  }
+  function lengthPoint2(x, y) {
+    x04 -= x, y04 -= y;
+    lengthSum2.add(sqrt(x04 * x04 + y04 * y04));
+    x04 = x, y04 = y;
+  }
+  var measure_default = lengthStream2;
+
+  // node_modules/d3-geo/src/path/string.js
+  function PathString() {
+    this._string = [];
+  }
+  PathString.prototype = {
+    _radius: 4.5,
+    _circle: circle(4.5),
+    pointRadius: function(_) {
+      if ((_ = +_) !== this._radius)
+        this._radius = _, this._circle = null;
+      return this;
+    },
+    polygonStart: function() {
+      this._line = 0;
+    },
+    polygonEnd: function() {
+      this._line = NaN;
+    },
+    lineStart: function() {
+      this._point = 0;
+    },
+    lineEnd: function() {
+      if (this._line === 0)
+        this._string.push("Z");
+      this._point = NaN;
+    },
+    point: function(x, y) {
+      switch (this._point) {
+        case 0: {
+          this._string.push("M", x, ",", y);
+          this._point = 1;
+          break;
+        }
+        case 1: {
+          this._string.push("L", x, ",", y);
+          break;
+        }
+        default: {
+          if (this._circle == null)
+            this._circle = circle(this._radius);
+          this._string.push("M", x, ",", y, this._circle);
+          break;
+        }
+      }
+    },
+    result: function() {
+      if (this._string.length) {
+        var result = this._string.join("");
+        this._string = [];
+        return result;
+      } else {
+        return null;
+      }
+    }
+  };
+  function circle(radius) {
+    return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";
+  }
+
+  // node_modules/d3-geo/src/path/index.js
+  function path_default(projection2, context) {
+    var pointRadius = 4.5, projectionStream, contextStream;
+    function path(object) {
+      if (object) {
+        if (typeof pointRadius === "function")
+          contextStream.pointRadius(+pointRadius.apply(this, arguments));
+        stream_default(object, projectionStream(contextStream));
+      }
+      return contextStream.result();
+    }
+    path.area = function(object) {
+      stream_default(object, projectionStream(area_default2));
+      return area_default2.result();
+    };
+    path.measure = function(object) {
+      stream_default(object, projectionStream(measure_default));
+      return measure_default.result();
+    };
+    path.bounds = function(object) {
+      stream_default(object, projectionStream(bounds_default2));
+      return bounds_default2.result();
+    };
+    path.centroid = function(object) {
+      stream_default(object, projectionStream(centroid_default));
+      return centroid_default.result();
+    };
+    path.projection = function(_) {
+      return arguments.length ? (projectionStream = _ == null ? (projection2 = null, identity_default) : (projection2 = _).stream, path) : projection2;
+    };
+    path.context = function(_) {
+      if (!arguments.length)
+        return context;
+      contextStream = _ == null ? (context = null, new PathString()) : new PathContext(context = _);
+      if (typeof pointRadius !== "function")
+        contextStream.pointRadius(pointRadius);
+      return path;
+    };
+    path.pointRadius = function(_) {
+      if (!arguments.length)
+        return pointRadius;
+      pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
+      return path;
+    };
+    return path.projection(projection2).context(context);
+  }
+
+  // node_modules/d3-geo/src/transform.js
+  function transform_default(methods2) {
+    return {
+      stream: transformer(methods2)
+    };
+  }
+  function transformer(methods2) {
+    return function(stream) {
+      var s = new TransformStream();
+      for (var key in methods2)
+        s[key] = methods2[key];
+      s.stream = stream;
+      return s;
+    };
+  }
+  function TransformStream() {
+  }
+  TransformStream.prototype = {
+    constructor: TransformStream,
+    point: function(x, y) {
+      this.stream.point(x, y);
+    },
+    sphere: function() {
+      this.stream.sphere();
+    },
+    lineStart: function() {
+      this.stream.lineStart();
+    },
+    lineEnd: function() {
+      this.stream.lineEnd();
+    },
+    polygonStart: function() {
+      this.stream.polygonStart();
+    },
+    polygonEnd: function() {
+      this.stream.polygonEnd();
+    }
+  };
+
+  // node_modules/d3-geo/src/projection/fit.js
+  function fit(projection2, fitBounds, object) {
+    var clip = projection2.clipExtent && projection2.clipExtent();
+    projection2.scale(150).translate([0, 0]);
+    if (clip != null)
+      projection2.clipExtent(null);
+    stream_default(object, projection2.stream(bounds_default2));
+    fitBounds(bounds_default2.result());
+    if (clip != null)
+      projection2.clipExtent(clip);
+    return projection2;
+  }
+  function fitExtent(projection2, extent, object) {
+    return fit(projection2, function(b) {
+      var w = extent[1][0] - extent[0][0], h = extent[1][1] - extent[0][1], k = Math.min(w / (b[1][0] - b[0][0]), h / (b[1][1] - b[0][1])), x = +extent[0][0] + (w - k * (b[1][0] + b[0][0])) / 2, y = +extent[0][1] + (h - k * (b[1][1] + b[0][1])) / 2;
+      projection2.scale(150 * k).translate([x, y]);
+    }, object);
+  }
+  function fitSize(projection2, size, object) {
+    return fitExtent(projection2, [[0, 0], size], object);
+  }
+  function fitWidth(projection2, width, object) {
+    return fit(projection2, function(b) {
+      var w = +width, k = w / (b[1][0] - b[0][0]), x = (w - k * (b[1][0] + b[0][0])) / 2, y = -k * b[0][1];
+      projection2.scale(150 * k).translate([x, y]);
+    }, object);
+  }
+  function fitHeight(projection2, height, object) {
+    return fit(projection2, function(b) {
+      var h = +height, k = h / (b[1][1] - b[0][1]), x = -k * b[0][0], y = (h - k * (b[1][1] + b[0][1])) / 2;
+      projection2.scale(150 * k).translate([x, y]);
+    }, object);
+  }
+
+  // node_modules/d3-geo/src/projection/resample.js
+  var maxDepth = 16;
+  var cosMinDistance = cos(30 * radians);
+  function resample_default(project, delta2) {
+    return +delta2 ? resample(project, delta2) : resampleNone(project);
+  }
+  function resampleNone(project) {
+    return transformer({
+      point: function(x, y) {
+        x = project(x, y);
+        this.stream.point(x[0], x[1]);
+      }
+    });
+  }
+  function resample(project, delta2) {
+    function resampleLineTo(x05, y05, lambda04, a0, b0, c0, x12, y12, lambda12, a1, b1, c1, depth, stream) {
+      var dx = x12 - x05, dy = y12 - y05, d2 = dx * dx + dy * dy;
+      if (d2 > 4 * delta2 && depth--) {
+        var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = sqrt(a * a + b * b + c * c), phi2 = asin(c /= m), lambda22 = abs(abs(c) - 1) < epsilon || abs(lambda04 - lambda12) < epsilon ? (lambda04 + lambda12) / 2 : atan2(b, a), p = project(lambda22, phi2), x2 = p[0], y2 = p[1], dx2 = x2 - x05, dy2 = y2 - y05, dz = dy * dx2 - dx * dy2;
+        if (dz * dz / d2 > delta2 || abs((dx * dx2 + dy * dy2) / d2 - 0.5) > 0.3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {
+          resampleLineTo(x05, y05, lambda04, a0, b0, c0, x2, y2, lambda22, a /= m, b /= m, c, depth, stream);
+          stream.point(x2, y2);
+          resampleLineTo(x2, y2, lambda22, a, b, c, x12, y12, lambda12, a1, b1, c1, depth, stream);
+        }
+      }
+    }
+    return function(stream) {
+      var lambda003, x004, y004, a00, b00, c00, lambda04, x05, y05, a0, b0, c0;
+      var resampleStream = {
+        point: point2,
+        lineStart,
+        lineEnd,
+        polygonStart: function() {
+          stream.polygonStart();
+          resampleStream.lineStart = ringStart;
+        },
+        polygonEnd: function() {
+          stream.polygonEnd();
+          resampleStream.lineStart = lineStart;
+        }
+      };
+      function point2(x, y) {
+        x = project(x, y);
+        stream.point(x[0], x[1]);
+      }
+      function lineStart() {
+        x05 = NaN;
+        resampleStream.point = linePoint2;
+        stream.lineStart();
+      }
+      function linePoint2(lambda, phi) {
+        var c = cartesian([lambda, phi]), p = project(lambda, phi);
+        resampleLineTo(x05, y05, lambda04, a0, b0, c0, x05 = p[0], y05 = p[1], lambda04 = lambda, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
+        stream.point(x05, y05);
+      }
+      function lineEnd() {
+        resampleStream.point = point2;
+        stream.lineEnd();
+      }
+      function ringStart() {
+        lineStart();
+        resampleStream.point = ringPoint;
+        resampleStream.lineEnd = ringEnd;
+      }
+      function ringPoint(lambda, phi) {
+        linePoint2(lambda003 = lambda, phi), x004 = x05, y004 = y05, a00 = a0, b00 = b0, c00 = c0;
+        resampleStream.point = linePoint2;
+      }
+      function ringEnd() {
+        resampleLineTo(x05, y05, lambda04, a0, b0, c0, x004, y004, lambda003, a00, b00, c00, maxDepth, stream);
+        resampleStream.lineEnd = lineEnd;
+        lineEnd();
+      }
+      return resampleStream;
+    };
+  }
+
+  // node_modules/d3-geo/src/projection/index.js
+  var transformRadians = transformer({
+    point: function(x, y) {
+      this.stream.point(x * radians, y * radians);
+    }
+  });
+  function transformRotate(rotate) {
+    return transformer({
+      point: function(x, y) {
+        var r = rotate(x, y);
+        return this.stream.point(r[0], r[1]);
+      }
+    });
+  }
+  function scaleTranslate(k, dx, dy, sx, sy) {
+    function transform2(x, y) {
+      x *= sx;
+      y *= sy;
+      return [dx + k * x, dy - k * y];
+    }
+    transform2.invert = function(x, y) {
+      return [(x - dx) / k * sx, (dy - y) / k * sy];
+    };
+    return transform2;
+  }
+  function scaleTranslateRotate(k, dx, dy, sx, sy, alpha) {
+    if (!alpha)
+      return scaleTranslate(k, dx, dy, sx, sy);
+    var cosAlpha = cos(alpha), sinAlpha = sin(alpha), a = cosAlpha * k, b = sinAlpha * k, ai = cosAlpha / k, bi = sinAlpha / k, ci = (sinAlpha * dy - cosAlpha * dx) / k, fi = (sinAlpha * dx + cosAlpha * dy) / k;
+    function transform2(x, y) {
+      x *= sx;
+      y *= sy;
+      return [a * x - b * y + dx, dy - b * x - a * y];
+    }
+    transform2.invert = function(x, y) {
+      return [sx * (ai * x - bi * y + ci), sy * (fi - bi * x - ai * y)];
+    };
+    return transform2;
+  }
+  function projection(project) {
+    return projectionMutator(function() {
+      return project;
+    })();
+  }
+  function projectionMutator(projectAt) {
+    var project, k = 150, x = 480, y = 250, lambda = 0, phi = 0, deltaLambda = 0, deltaPhi = 0, deltaGamma = 0, rotate, alpha = 0, sx = 1, sy = 1, theta = null, preclip = antimeridian_default, x05 = null, y05, x12, y12, postclip = identity_default, delta2 = 0.5, projectResample, projectTransform, projectRotateTransform, cache, cacheStream;
+    function projection2(point2) {
+      return projectRotateTransform(point2[0] * radians, point2[1] * radians);
+    }
+    function invert(point2) {
+      point2 = projectRotateTransform.invert(point2[0], point2[1]);
+      return point2 && [point2[0] * degrees, point2[1] * degrees];
+    }
+    projection2.stream = function(stream) {
+      return cache && cacheStream === stream ? cache : cache = transformRadians(transformRotate(rotate)(preclip(projectResample(postclip(cacheStream = stream)))));
+    };
+    projection2.preclip = function(_) {
+      return arguments.length ? (preclip = _, theta = void 0, reset()) : preclip;
+    };
+    projection2.postclip = function(_) {
+      return arguments.length ? (postclip = _, x05 = y05 = x12 = y12 = null, reset()) : postclip;
+    };
+    projection2.clipAngle = function(_) {
+      return arguments.length ? (preclip = +_ ? circle_default(theta = _ * radians) : (theta = null, antimeridian_default), reset()) : theta * degrees;
+    };
+    projection2.clipExtent = function(_) {
+      return arguments.length ? (postclip = _ == null ? (x05 = y05 = x12 = y12 = null, identity_default) : clipRectangle(x05 = +_[0][0], y05 = +_[0][1], x12 = +_[1][0], y12 = +_[1][1]), reset()) : x05 == null ? null : [[x05, y05], [x12, y12]];
+    };
+    projection2.scale = function(_) {
+      return arguments.length ? (k = +_, recenter()) : k;
+    };
+    projection2.translate = function(_) {
+      return arguments.length ? (x = +_[0], y = +_[1], recenter()) : [x, y];
+    };
+    projection2.center = function(_) {
+      return arguments.length ? (lambda = _[0] % 360 * radians, phi = _[1] % 360 * radians, recenter()) : [lambda * degrees, phi * degrees];
+    };
+    projection2.rotate = function(_) {
+      return arguments.length ? (deltaLambda = _[0] % 360 * radians, deltaPhi = _[1] % 360 * radians, deltaGamma = _.length > 2 ? _[2] % 360 * radians : 0, recenter()) : [deltaLambda * degrees, deltaPhi * degrees, deltaGamma * degrees];
+    };
+    projection2.angle = function(_) {
+      return arguments.length ? (alpha = _ % 360 * radians, recenter()) : alpha * degrees;
+    };
+    projection2.reflectX = function(_) {
+      return arguments.length ? (sx = _ ? -1 : 1, recenter()) : sx < 0;
+    };
+    projection2.reflectY = function(_) {
+      return arguments.length ? (sy = _ ? -1 : 1, recenter()) : sy < 0;
+    };
+    projection2.precision = function(_) {
+      return arguments.length ? (projectResample = resample_default(projectTransform, delta2 = _ * _), reset()) : sqrt(delta2);
+    };
+    projection2.fitExtent = function(extent, object) {
+      return fitExtent(projection2, extent, object);
+    };
+    projection2.fitSize = function(size, object) {
+      return fitSize(projection2, size, object);
+    };
+    projection2.fitWidth = function(width, object) {
+      return fitWidth(projection2, width, object);
+    };
+    projection2.fitHeight = function(height, object) {
+      return fitHeight(projection2, height, object);
+    };
+    function recenter() {
+      var center = scaleTranslateRotate(k, 0, 0, sx, sy, alpha).apply(null, project(lambda, phi)), transform2 = scaleTranslateRotate(k, x - center[0], y - center[1], sx, sy, alpha);
+      rotate = rotateRadians(deltaLambda, deltaPhi, deltaGamma);
+      projectTransform = compose_default(project, transform2);
+      projectRotateTransform = compose_default(rotate, projectTransform);
+      projectResample = resample_default(projectTransform, delta2);
+      return reset();
+    }
+    function reset() {
+      cache = cacheStream = null;
+      return projection2;
+    }
+    return function() {
+      project = projectAt.apply(this, arguments);
+      projection2.invert = project.invert && invert;
+      return recenter();
+    };
+  }
+
+  // node_modules/d3-geo/src/projection/mercator.js
+  function mercatorRaw(lambda, phi) {
+    return [lambda, log(tan((halfPi + phi) / 2))];
+  }
+  mercatorRaw.invert = function(x, y) {
+    return [x, 2 * atan(exp(y)) - halfPi];
+  };
+  function mercator_default() {
+    return mercatorProjection(mercatorRaw).scale(961 / tau);
+  }
+  function mercatorProjection(project) {
+    var m = projection(project), center = m.center, scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, x05 = null, y05, x12, y12;
+    m.scale = function(_) {
+      return arguments.length ? (scale(_), reclip()) : scale();
+    };
+    m.translate = function(_) {
+      return arguments.length ? (translate(_), reclip()) : translate();
+    };
+    m.center = function(_) {
+      return arguments.length ? (center(_), reclip()) : center();
+    };
+    m.clipExtent = function(_) {
+      return arguments.length ? (_ == null ? x05 = y05 = x12 = y12 = null : (x05 = +_[0][0], y05 = +_[0][1], x12 = +_[1][0], y12 = +_[1][1]), reclip()) : x05 == null ? null : [[x05, y05], [x12, y12]];
+    };
+    function reclip() {
+      var k = pi * scale(), t = m(rotation_default(m.rotate()).invert([0, 0]));
+      return clipExtent(x05 == null ? [[t[0] - k, t[1] - k], [t[0] + k, t[1] + k]] : project === mercatorRaw ? [[Math.max(t[0] - k, x05), y05], [Math.min(t[0] + k, x12), y12]] : [[x05, Math.max(t[1] - k, y05)], [x12, Math.min(t[1] + k, y12)]]);
+    }
+    return reclip();
+  }
+
+  // node_modules/d3-geo/src/projection/identity.js
+  function identity_default2() {
+    var k = 1, tx = 0, ty = 0, sx = 1, sy = 1, alpha = 0, ca, sa, x05 = null, y05, x12, y12, kx = 1, ky = 1, transform2 = transformer({
+      point: function(x, y) {
+        var p = projection2([x, y]);
+        this.stream.point(p[0], p[1]);
+      }
+    }), postclip = identity_default, cache, cacheStream;
+    function reset() {
+      kx = k * sx;
+      ky = k * sy;
+      cache = cacheStream = null;
+      return projection2;
+    }
+    function projection2(p) {
+      var x = p[0] * kx, y = p[1] * ky;
+      if (alpha) {
+        var t = y * ca - x * sa;
+        x = x * ca + y * sa;
+        y = t;
+      }
+      return [x + tx, y + ty];
+    }
+    projection2.invert = function(p) {
+      var x = p[0] - tx, y = p[1] - ty;
+      if (alpha) {
+        var t = y * ca + x * sa;
+        x = x * ca - y * sa;
+        y = t;
+      }
+      return [x / kx, y / ky];
+    };
+    projection2.stream = function(stream) {
+      return cache && cacheStream === stream ? cache : cache = transform2(postclip(cacheStream = stream));
+    };
+    projection2.postclip = function(_) {
+      return arguments.length ? (postclip = _, x05 = y05 = x12 = y12 = null, reset()) : postclip;
+    };
+    projection2.clipExtent = function(_) {
+      return arguments.length ? (postclip = _ == null ? (x05 = y05 = x12 = y12 = null, identity_default) : clipRectangle(x05 = +_[0][0], y05 = +_[0][1], x12 = +_[1][0], y12 = +_[1][1]), reset()) : x05 == null ? null : [[x05, y05], [x12, y12]];
+    };
+    projection2.scale = function(_) {
+      return arguments.length ? (k = +_, reset()) : k;
+    };
+    projection2.translate = function(_) {
+      return arguments.length ? (tx = +_[0], ty = +_[1], reset()) : [tx, ty];
+    };
+    projection2.angle = function(_) {
+      return arguments.length ? (alpha = _ % 360 * radians, sa = sin(alpha), ca = cos(alpha), reset()) : alpha * degrees;
+    };
+    projection2.reflectX = function(_) {
+      return arguments.length ? (sx = _ ? -1 : 1, reset()) : sx < 0;
+    };
+    projection2.reflectY = function(_) {
+      return arguments.length ? (sy = _ ? -1 : 1, reset()) : sy < 0;
+    };
+    projection2.fitExtent = function(extent, object) {
+      return fitExtent(projection2, extent, object);
+    };
+    projection2.fitSize = function(size, object) {
+      return fitSize(projection2, size, object);
+    };
+    projection2.fitWidth = function(width, object) {
+      return fitWidth(projection2, width, object);
+    };
+    projection2.fitHeight = function(height, object) {
+      return fitHeight(projection2, height, object);
+    };
+    return projection2;
+  }
+
+  // modules/geo/geo.js
+  var TAU = 2 * Math.PI;
+  var EQUATORIAL_RADIUS = 6356752314245179e-9;
+  var POLAR_RADIUS = 6378137;
+  function geoLatToMeters(dLat) {
+    return dLat * (TAU * POLAR_RADIUS / 360);
+  }
+  function geoLonToMeters(dLon, atLat) {
+    return Math.abs(atLat) >= 90 ? 0 : dLon * (TAU * EQUATORIAL_RADIUS / 360) * Math.abs(Math.cos(atLat * (Math.PI / 180)));
+  }
+  function geoMetersToLat(m) {
+    return m / (TAU * POLAR_RADIUS / 360);
+  }
+  function geoMetersToLon(m, atLat) {
+    return Math.abs(atLat) >= 90 ? 0 : m / (TAU * EQUATORIAL_RADIUS / 360) / Math.abs(Math.cos(atLat * (Math.PI / 180)));
+  }
+  function geoMetersToOffset(meters, tileSize) {
+    tileSize = tileSize || 256;
+    return [
+      meters[0] * tileSize / (TAU * EQUATORIAL_RADIUS),
+      -meters[1] * tileSize / (TAU * POLAR_RADIUS)
+    ];
+  }
+  function geoOffsetToMeters(offset, tileSize) {
+    tileSize = tileSize || 256;
+    return [
+      offset[0] * TAU * EQUATORIAL_RADIUS / tileSize,
+      -offset[1] * TAU * POLAR_RADIUS / tileSize
+    ];
+  }
+  function geoSphericalDistance(a, b) {
+    var x = geoLonToMeters(a[0] - b[0], (a[1] + b[1]) / 2);
+    var y = geoLatToMeters(a[1] - b[1]);
+    return Math.sqrt(x * x + y * y);
+  }
+  function geoScaleToZoom(k, tileSize) {
+    tileSize = tileSize || 256;
+    var log2ts = Math.log(tileSize) * Math.LOG2E;
+    return Math.log(k * TAU) / Math.LN2 - log2ts;
+  }
+  function geoZoomToScale(z, tileSize) {
+    tileSize = tileSize || 256;
+    return tileSize * Math.pow(2, z) / TAU;
+  }
+  function geoSphericalClosestNode(nodes, point2) {
+    var minDistance = Infinity, distance;
+    var indexOfMin;
+    for (var i2 in nodes) {
+      distance = geoSphericalDistance(nodes[i2].loc, point2);
+      if (distance < minDistance) {
+        minDistance = distance;
+        indexOfMin = i2;
+      }
+    }
+    if (indexOfMin !== void 0) {
+      return { index: indexOfMin, distance: minDistance, node: nodes[indexOfMin] };
+    } else {
+      return null;
+    }
+  }
+
+  // modules/geo/extent.js
+  function geoExtent(min3, max3) {
+    if (!(this instanceof geoExtent)) {
+      return new geoExtent(min3, max3);
+    } else if (min3 instanceof geoExtent) {
+      return min3;
+    } else if (min3 && min3.length === 2 && min3[0].length === 2 && min3[1].length === 2) {
+      this[0] = min3[0];
+      this[1] = min3[1];
+    } else {
+      this[0] = min3 || [Infinity, Infinity];
+      this[1] = max3 || min3 || [-Infinity, -Infinity];
+    }
+  }
+  geoExtent.prototype = new Array(2);
+  Object.assign(geoExtent.prototype, {
+    equals: function(obj) {
+      return this[0][0] === obj[0][0] && this[0][1] === obj[0][1] && this[1][0] === obj[1][0] && this[1][1] === obj[1][1];
+    },
+    extend: function(obj) {
+      if (!(obj instanceof geoExtent))
+        obj = new geoExtent(obj);
+      return geoExtent(
+        [Math.min(obj[0][0], this[0][0]), Math.min(obj[0][1], this[0][1])],
+        [Math.max(obj[1][0], this[1][0]), Math.max(obj[1][1], this[1][1])]
+      );
+    },
+    _extend: function(extent) {
+      this[0][0] = Math.min(extent[0][0], this[0][0]);
+      this[0][1] = Math.min(extent[0][1], this[0][1]);
+      this[1][0] = Math.max(extent[1][0], this[1][0]);
+      this[1][1] = Math.max(extent[1][1], this[1][1]);
+    },
+    area: function() {
+      return Math.abs((this[1][0] - this[0][0]) * (this[1][1] - this[0][1]));
+    },
+    center: function() {
+      return [(this[0][0] + this[1][0]) / 2, (this[0][1] + this[1][1]) / 2];
+    },
+    rectangle: function() {
+      return [this[0][0], this[0][1], this[1][0], this[1][1]];
+    },
+    bbox: function() {
+      return { minX: this[0][0], minY: this[0][1], maxX: this[1][0], maxY: this[1][1] };
+    },
+    polygon: function() {
+      return [
+        [this[0][0], this[0][1]],
+        [this[0][0], this[1][1]],
+        [this[1][0], this[1][1]],
+        [this[1][0], this[0][1]],
+        [this[0][0], this[0][1]]
+      ];
+    },
+    contains: function(obj) {
+      if (!(obj instanceof geoExtent))
+        obj = new geoExtent(obj);
+      return obj[0][0] >= this[0][0] && obj[0][1] >= this[0][1] && obj[1][0] <= this[1][0] && obj[1][1] <= this[1][1];
+    },
+    intersects: function(obj) {
+      if (!(obj instanceof geoExtent))
+        obj = new geoExtent(obj);
+      return obj[0][0] <= this[1][0] && obj[0][1] <= this[1][1] && obj[1][0] >= this[0][0] && obj[1][1] >= this[0][1];
+    },
+    intersection: function(obj) {
+      if (!this.intersects(obj))
+        return new geoExtent();
+      return new geoExtent(
+        [Math.max(obj[0][0], this[0][0]), Math.max(obj[0][1], this[0][1])],
+        [Math.min(obj[1][0], this[1][0]), Math.min(obj[1][1], this[1][1])]
+      );
+    },
+    percentContainedIn: function(obj) {
+      if (!(obj instanceof geoExtent))
+        obj = new geoExtent(obj);
+      var a1 = this.intersection(obj).area();
+      var a2 = this.area();
+      if (a1 === Infinity || a2 === Infinity) {
+        return 0;
+      } else if (a1 === 0 || a2 === 0) {
+        if (obj.contains(this)) {
+          return 1;
+        }
+        return 0;
+      } else {
+        return a1 / a2;
+      }
+    },
+    padByMeters: function(meters) {
+      var dLat = geoMetersToLat(meters);
+      var dLon = geoMetersToLon(meters, this.center()[1]);
+      return geoExtent(
+        [this[0][0] - dLon, this[0][1] - dLat],
+        [this[1][0] + dLon, this[1][1] + dLat]
+      );
+    },
+    toParam: function() {
+      return this.rectangle().join(",");
+    }
+  });
+
+  // node_modules/d3-polygon/src/area.js
+  function area_default3(polygon2) {
+    var i2 = -1, n2 = polygon2.length, a, b = polygon2[n2 - 1], area = 0;
+    while (++i2 < n2) {
+      a = b;
+      b = polygon2[i2];
+      area += a[1] * b[0] - a[0] * b[1];
+    }
+    return area / 2;
+  }
+
+  // node_modules/d3-polygon/src/centroid.js
+  function centroid_default2(polygon2) {
+    var i2 = -1, n2 = polygon2.length, x = 0, y = 0, a, b = polygon2[n2 - 1], c, k = 0;
+    while (++i2 < n2) {
+      a = b;
+      b = polygon2[i2];
+      k += c = a[0] * b[1] - b[0] * a[1];
+      x += (a[0] + b[0]) * c;
+      y += (a[1] + b[1]) * c;
+    }
+    return k *= 3, [x / k, y / k];
+  }
+
+  // node_modules/d3-polygon/src/cross.js
+  function cross_default(a, b, c) {
+    return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
+  }
+
+  // node_modules/d3-polygon/src/hull.js
+  function lexicographicOrder(a, b) {
+    return a[0] - b[0] || a[1] - b[1];
+  }
+  function computeUpperHullIndexes(points) {
+    const n2 = points.length, indexes = [0, 1];
+    let size = 2, i2;
+    for (i2 = 2; i2 < n2; ++i2) {
+      while (size > 1 && cross_default(points[indexes[size - 2]], points[indexes[size - 1]], points[i2]) <= 0)
+        --size;
+      indexes[size++] = i2;
+    }
+    return indexes.slice(0, size);
+  }
+  function hull_default(points) {
+    if ((n2 = points.length) < 3)
+      return null;
+    var i2, n2, sortedPoints = new Array(n2), flippedPoints = new Array(n2);
+    for (i2 = 0; i2 < n2; ++i2)
+      sortedPoints[i2] = [+points[i2][0], +points[i2][1], i2];
+    sortedPoints.sort(lexicographicOrder);
+    for (i2 = 0; i2 < n2; ++i2)
+      flippedPoints[i2] = [sortedPoints[i2][0], -sortedPoints[i2][1]];
+    var upperIndexes = computeUpperHullIndexes(sortedPoints), lowerIndexes = computeUpperHullIndexes(flippedPoints);
+    var skipLeft = lowerIndexes[0] === upperIndexes[0], skipRight = lowerIndexes[lowerIndexes.length - 1] === upperIndexes[upperIndexes.length - 1], hull = [];
+    for (i2 = upperIndexes.length - 1; i2 >= 0; --i2)
+      hull.push(points[sortedPoints[upperIndexes[i2]][2]]);
+    for (i2 = +skipLeft; i2 < lowerIndexes.length - skipRight; ++i2)
+      hull.push(points[sortedPoints[lowerIndexes[i2]][2]]);
+    return hull;
+  }
+
+  // modules/geo/vector.js
+  function geoVecEqual(a, b, epsilon3) {
+    if (epsilon3) {
+      return Math.abs(a[0] - b[0]) <= epsilon3 && Math.abs(a[1] - b[1]) <= epsilon3;
+    } else {
+      return a[0] === b[0] && a[1] === b[1];
+    }
+  }
+  function geoVecAdd(a, b) {
+    return [a[0] + b[0], a[1] + b[1]];
+  }
+  function geoVecSubtract(a, b) {
+    return [a[0] - b[0], a[1] - b[1]];
+  }
+  function geoVecScale(a, mag) {
+    return [a[0] * mag, a[1] * mag];
+  }
+  function geoVecFloor(a) {
+    return [Math.floor(a[0]), Math.floor(a[1])];
+  }
+  function geoVecInterp(a, b, t) {
+    return [
+      a[0] + (b[0] - a[0]) * t,
+      a[1] + (b[1] - a[1]) * t
+    ];
+  }
+  function geoVecLength(a, b) {
+    return Math.sqrt(geoVecLengthSquare(a, b));
+  }
+  function geoVecLengthSquare(a, b) {
+    b = b || [0, 0];
+    var x = a[0] - b[0];
+    var y = a[1] - b[1];
+    return x * x + y * y;
+  }
+  function geoVecNormalize(a) {
+    var length = Math.sqrt(a[0] * a[0] + a[1] * a[1]);
+    if (length !== 0) {
+      return geoVecScale(a, 1 / length);
+    }
+    return [0, 0];
+  }
+  function geoVecAngle(a, b) {
+    return Math.atan2(b[1] - a[1], b[0] - a[0]);
+  }
+  function geoVecDot(a, b, origin) {
+    origin = origin || [0, 0];
+    var p = geoVecSubtract(a, origin);
+    var q = geoVecSubtract(b, origin);
+    return p[0] * q[0] + p[1] * q[1];
+  }
+  function geoVecNormalizedDot(a, b, origin) {
+    origin = origin || [0, 0];
+    var p = geoVecNormalize(geoVecSubtract(a, origin));
+    var q = geoVecNormalize(geoVecSubtract(b, origin));
+    return geoVecDot(p, q);
+  }
+  function geoVecCross(a, b, origin) {
+    origin = origin || [0, 0];
+    var p = geoVecSubtract(a, origin);
+    var q = geoVecSubtract(b, origin);
+    return p[0] * q[1] - p[1] * q[0];
+  }
+  function geoVecProject(a, points) {
+    var min3 = Infinity;
+    var idx;
+    var target;
+    for (var i2 = 0; i2 < points.length - 1; i2++) {
+      var o = points[i2];
+      var s = geoVecSubtract(points[i2 + 1], o);
+      var v = geoVecSubtract(a, o);
+      var proj = geoVecDot(v, s) / geoVecDot(s, s);
+      var p;
+      if (proj < 0) {
+        p = o;
+      } else if (proj > 1) {
+        p = points[i2 + 1];
+      } else {
+        p = [o[0] + proj * s[0], o[1] + proj * s[1]];
+      }
+      var dist = geoVecLength(p, a);
+      if (dist < min3) {
+        min3 = dist;
+        idx = i2 + 1;
+        target = p;
+      }
+    }
+    if (idx !== void 0) {
+      return { index: idx, distance: min3, target };
+    } else {
+      return null;
+    }
+  }
+
+  // modules/geo/geom.js
+  function geoAngle(a, b, projection2) {
+    return geoVecAngle(projection2(a.loc), projection2(b.loc));
+  }
+  function geoEdgeEqual(a, b) {
+    return a[0] === b[0] && a[1] === b[1] || a[0] === b[1] && a[1] === b[0];
+  }
+  function geoRotate(points, angle2, around) {
+    return points.map(function(point2) {
+      var radial = geoVecSubtract(point2, around);
+      return [
+        radial[0] * Math.cos(angle2) - radial[1] * Math.sin(angle2) + around[0],
+        radial[0] * Math.sin(angle2) + radial[1] * Math.cos(angle2) + around[1]
+      ];
+    });
+  }
+  function geoChooseEdge(nodes, point2, projection2, activeID) {
+    var dist = geoVecLength;
+    var points = nodes.map(function(n2) {
+      return projection2(n2.loc);
+    });
+    var ids = nodes.map(function(n2) {
+      return n2.id;
+    });
+    var min3 = Infinity;
+    var idx;
+    var loc;
+    for (var i2 = 0; i2 < points.length - 1; i2++) {
+      if (ids[i2] === activeID || ids[i2 + 1] === activeID)
+        continue;
+      var o = points[i2];
+      var s = geoVecSubtract(points[i2 + 1], o);
+      var v = geoVecSubtract(point2, o);
+      var proj = geoVecDot(v, s) / geoVecDot(s, s);
+      var p;
+      if (proj < 0) {
+        p = o;
+      } else if (proj > 1) {
+        p = points[i2 + 1];
+      } else {
+        p = [o[0] + proj * s[0], o[1] + proj * s[1]];
+      }
+      var d = dist(p, point2);
+      if (d < min3) {
+        min3 = d;
+        idx = i2 + 1;
+        loc = projection2.invert(p);
+      }
+    }
+    if (idx !== void 0) {
+      return { index: idx, distance: min3, loc };
+    } else {
+      return null;
+    }
+  }
+  function geoHasLineIntersections(activeNodes, inactiveNodes, activeID) {
+    var actives = [];
+    var inactives = [];
+    var j2, k, n1, n2, segment;
+    for (j2 = 0; j2 < activeNodes.length - 1; j2++) {
+      n1 = activeNodes[j2];
+      n2 = activeNodes[j2 + 1];
+      segment = [n1.loc, n2.loc];
+      if (n1.id === activeID || n2.id === activeID) {
+        actives.push(segment);
+      }
+    }
+    for (j2 = 0; j2 < inactiveNodes.length - 1; j2++) {
+      n1 = inactiveNodes[j2];
+      n2 = inactiveNodes[j2 + 1];
+      segment = [n1.loc, n2.loc];
+      inactives.push(segment);
+    }
+    for (j2 = 0; j2 < actives.length; j2++) {
+      for (k = 0; k < inactives.length; k++) {
+        var p = actives[j2];
+        var q = inactives[k];
+        var hit = geoLineIntersection(p, q);
+        if (hit) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+  function geoHasSelfIntersections(nodes, activeID) {
+    var actives = [];
+    var inactives = [];
+    var j2, k;
+    for (j2 = 0; j2 < nodes.length - 1; j2++) {
+      var n1 = nodes[j2];
+      var n2 = nodes[j2 + 1];
+      var segment = [n1.loc, n2.loc];
+      if (n1.id === activeID || n2.id === activeID) {
+        actives.push(segment);
+      } else {
+        inactives.push(segment);
+      }
+    }
+    for (j2 = 0; j2 < actives.length; j2++) {
+      for (k = 0; k < inactives.length; k++) {
+        var p = actives[j2];
+        var q = inactives[k];
+        if (geoVecEqual(p[1], q[0]) || geoVecEqual(p[0], q[1]) || geoVecEqual(p[0], q[0]) || geoVecEqual(p[1], q[1])) {
+          continue;
+        }
+        var hit = geoLineIntersection(p, q);
+        if (hit) {
+          var epsilon3 = 1e-8;
+          if (geoVecEqual(p[1], hit, epsilon3) || geoVecEqual(p[0], hit, epsilon3) || geoVecEqual(q[1], hit, epsilon3) || geoVecEqual(q[0], hit, epsilon3)) {
+            continue;
+          } else {
+            return true;
+          }
+        }
+      }
+    }
+    return false;
+  }
+  function geoLineIntersection(a, b) {
+    var p = [a[0][0], a[0][1]];
+    var p2 = [a[1][0], a[1][1]];
+    var q = [b[0][0], b[0][1]];
+    var q2 = [b[1][0], b[1][1]];
+    var r = geoVecSubtract(p2, p);
+    var s = geoVecSubtract(q2, q);
+    var uNumerator = geoVecCross(geoVecSubtract(q, p), r);
+    var denominator = geoVecCross(r, s);
+    if (uNumerator && denominator) {
+      var u = uNumerator / denominator;
+      var t = geoVecCross(geoVecSubtract(q, p), s) / denominator;
+      if (t >= 0 && t <= 1 && u >= 0 && u <= 1) {
+        return geoVecInterp(p, p2, t);
+      }
+    }
+    return null;
+  }
+  function geoPathIntersections(path1, path2) {
+    var intersections = [];
+    for (var i2 = 0; i2 < path1.length - 1; i2++) {
+      for (var j2 = 0; j2 < path2.length - 1; j2++) {
+        var a = [path1[i2], path1[i2 + 1]];
+        var b = [path2[j2], path2[j2 + 1]];
+        var hit = geoLineIntersection(a, b);
+        if (hit) {
+          intersections.push(hit);
+        }
+      }
+    }
+    return intersections;
+  }
+  function geoPathHasIntersections(path1, path2) {
+    for (var i2 = 0; i2 < path1.length - 1; i2++) {
+      for (var j2 = 0; j2 < path2.length - 1; j2++) {
+        var a = [path1[i2], path1[i2 + 1]];
+        var b = [path2[j2], path2[j2 + 1]];
+        var hit = geoLineIntersection(a, b);
+        if (hit) {
+          return true;
+        }
+      }
+    }
+    return false;
+  }
+  function geoPointInPolygon(point2, polygon2) {
+    var x = point2[0];
+    var y = point2[1];
+    var inside = false;
+    for (var i2 = 0, j2 = polygon2.length - 1; i2 < polygon2.length; j2 = i2++) {
+      var xi = polygon2[i2][0];
+      var yi = polygon2[i2][1];
+      var xj = polygon2[j2][0];
+      var yj = polygon2[j2][1];
+      var intersect2 = yi > y !== yj > y && x < (xj - xi) * (y - yi) / (yj - yi) + xi;
+      if (intersect2)
+        inside = !inside;
+    }
+    return inside;
+  }
+  function geoPolygonContainsPolygon(outer, inner) {
+    return inner.every(function(point2) {
+      return geoPointInPolygon(point2, outer);
+    });
+  }
+  function geoPolygonIntersectsPolygon(outer, inner, checkSegments) {
+    function testPoints(outer2, inner2) {
+      return inner2.some(function(point2) {
+        return geoPointInPolygon(point2, outer2);
+      });
+    }
+    return testPoints(outer, inner) || !!checkSegments && geoPathHasIntersections(outer, inner);
+  }
+  function geoGetSmallestSurroundingRectangle(points) {
+    var hull = hull_default(points);
+    var centroid = centroid_default2(hull);
+    var minArea = Infinity;
+    var ssrExtent = [];
+    var ssrAngle = 0;
+    var c1 = hull[0];
+    for (var i2 = 0; i2 <= hull.length - 1; i2++) {
+      var c2 = i2 === hull.length - 1 ? hull[0] : hull[i2 + 1];
+      var angle2 = Math.atan2(c2[1] - c1[1], c2[0] - c1[0]);
+      var poly = geoRotate(hull, -angle2, centroid);
+      var extent = poly.reduce(function(extent2, point2) {
+        return extent2.extend(geoExtent(point2));
+      }, geoExtent());
+      var area = extent.area();
+      if (area < minArea) {
+        minArea = area;
+        ssrExtent = extent;
+        ssrAngle = angle2;
+      }
+      c1 = c2;
+    }
+    return {
+      poly: geoRotate(ssrExtent.polygon(), ssrAngle, centroid),
+      angle: ssrAngle
+    };
+  }
+  function geoPathLength(path) {
+    var length = 0;
+    for (var i2 = 0; i2 < path.length - 1; i2++) {
+      length += geoVecLength(path[i2], path[i2 + 1]);
+    }
+    return length;
+  }
+  function geoViewportEdge(point2, dimensions) {
+    var pad2 = [80, 20, 50, 20];
+    var x = 0;
+    var y = 0;
+    if (point2[0] > dimensions[0] - pad2[1]) {
+      x = -10;
+    }
+    if (point2[0] < pad2[3]) {
+      x = 10;
+    }
+    if (point2[1] > dimensions[1] - pad2[2]) {
+      y = -10;
+    }
+    if (point2[1] < pad2[0]) {
+      y = 10;
+    }
+    if (x || y) {
+      return [x, y];
+    } else {
+      return null;
+    }
+  }
+
+  // node_modules/d3-dispatch/src/dispatch.js
+  var noop2 = { value: () => {
+  } };
+  function dispatch() {
+    for (var i2 = 0, n2 = arguments.length, _ = {}, t; i2 < n2; ++i2) {
+      if (!(t = arguments[i2] + "") || t in _ || /[\s.]/.test(t))
+        throw new Error("illegal type: " + t);
+      _[t] = [];
+    }
+    return new Dispatch(_);
+  }
+  function Dispatch(_) {
+    this._ = _;
+  }
+  function parseTypenames(typenames, types) {
+    return typenames.trim().split(/^|\s+/).map(function(t) {
+      var name = "", i2 = t.indexOf(".");
+      if (i2 >= 0)
+        name = t.slice(i2 + 1), t = t.slice(0, i2);
+      if (t && !types.hasOwnProperty(t))
+        throw new Error("unknown type: " + t);
+      return { type: t, name };
+    });
+  }
+  Dispatch.prototype = dispatch.prototype = {
+    constructor: Dispatch,
+    on: function(typename, callback) {
+      var _ = this._, T = parseTypenames(typename + "", _), t, i2 = -1, n2 = T.length;
+      if (arguments.length < 2) {
+        while (++i2 < n2)
+          if ((t = (typename = T[i2]).type) && (t = get(_[t], typename.name)))
+            return t;
+        return;
+      }
+      if (callback != null && typeof callback !== "function")
+        throw new Error("invalid callback: " + callback);
+      while (++i2 < n2) {
+        if (t = (typename = T[i2]).type)
+          _[t] = set(_[t], typename.name, callback);
+        else if (callback == null)
+          for (t in _)
+            _[t] = set(_[t], typename.name, null);
+      }
+      return this;
+    },
+    copy: function() {
+      var copy2 = {}, _ = this._;
+      for (var t in _)
+        copy2[t] = _[t].slice();
+      return new Dispatch(copy2);
+    },
+    call: function(type2, that) {
+      if ((n2 = arguments.length - 2) > 0)
+        for (var args = new Array(n2), i2 = 0, n2, t; i2 < n2; ++i2)
+          args[i2] = arguments[i2 + 2];
+      if (!this._.hasOwnProperty(type2))
+        throw new Error("unknown type: " + type2);
+      for (t = this._[type2], i2 = 0, n2 = t.length; i2 < n2; ++i2)
+        t[i2].value.apply(that, args);
+    },
+    apply: function(type2, that, args) {
+      if (!this._.hasOwnProperty(type2))
+        throw new Error("unknown type: " + type2);
+      for (var t = this._[type2], i2 = 0, n2 = t.length; i2 < n2; ++i2)
+        t[i2].value.apply(that, args);
+    }
+  };
+  function get(type2, name) {
+    for (var i2 = 0, n2 = type2.length, c; i2 < n2; ++i2) {
+      if ((c = type2[i2]).name === name) {
+        return c.value;
+      }
+    }
+  }
+  function set(type2, name, callback) {
+    for (var i2 = 0, n2 = type2.length; i2 < n2; ++i2) {
+      if (type2[i2].name === name) {
+        type2[i2] = noop2, type2 = type2.slice(0, i2).concat(type2.slice(i2 + 1));
+        break;
+      }
+    }
+    if (callback != null)
+      type2.push({ name, value: callback });
+    return type2;
+  }
+  var dispatch_default = dispatch;
+
+  // node_modules/d3-selection/src/namespaces.js
+  var xhtml = "http://www.w3.org/1999/xhtml";
+  var namespaces_default = {
+    svg: "http://www.w3.org/2000/svg",
+    xhtml,
+    xlink: "http://www.w3.org/1999/xlink",
+    xml: "http://www.w3.org/XML/1998/namespace",
+    xmlns: "http://www.w3.org/2000/xmlns/"
+  };
+
+  // node_modules/d3-selection/src/namespace.js
+  function namespace_default(name) {
+    var prefix = name += "", i2 = prefix.indexOf(":");
+    if (i2 >= 0 && (prefix = name.slice(0, i2)) !== "xmlns")
+      name = name.slice(i2 + 1);
+    return namespaces_default.hasOwnProperty(prefix) ? { space: namespaces_default[prefix], local: name } : name;
+  }
+
+  // node_modules/d3-selection/src/creator.js
+  function creatorInherit(name) {
+    return function() {
+      var document2 = this.ownerDocument, uri = this.namespaceURI;
+      return uri === xhtml && document2.documentElement.namespaceURI === xhtml ? document2.createElement(name) : document2.createElementNS(uri, name);
+    };
+  }
+  function creatorFixed(fullname) {
+    return function() {
+      return this.ownerDocument.createElementNS(fullname.space, fullname.local);
+    };
+  }
+  function creator_default(name) {
+    var fullname = namespace_default(name);
+    return (fullname.local ? creatorFixed : creatorInherit)(fullname);
+  }
+
+  // node_modules/d3-selection/src/selector.js
+  function none() {
+  }
+  function selector_default(selector) {
+    return selector == null ? none : function() {
+      return this.querySelector(selector);
+    };
+  }
+
+  // node_modules/d3-selection/src/selection/select.js
+  function select_default(select) {
+    if (typeof select !== "function")
+      select = selector_default(select);
+    for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, subgroup = subgroups[j2] = new Array(n2), node, subnode, i2 = 0; i2 < n2; ++i2) {
+        if ((node = group[i2]) && (subnode = select.call(node, node.__data__, i2, group))) {
+          if ("__data__" in node)
+            subnode.__data__ = node.__data__;
+          subgroup[i2] = subnode;
+        }
+      }
+    }
+    return new Selection(subgroups, this._parents);
+  }
+
+  // node_modules/d3-selection/src/array.js
+  function array(x) {
+    return x == null ? [] : Array.isArray(x) ? x : Array.from(x);
+  }
+
+  // node_modules/d3-selection/src/selectorAll.js
+  function empty() {
+    return [];
+  }
+  function selectorAll_default(selector) {
+    return selector == null ? empty : function() {
+      return this.querySelectorAll(selector);
+    };
+  }
+
+  // node_modules/d3-selection/src/selection/selectAll.js
+  function arrayAll(select) {
+    return function() {
+      return array(select.apply(this, arguments));
+    };
+  }
+  function selectAll_default(select) {
+    if (typeof select === "function")
+      select = arrayAll(select);
+    else
+      select = selectorAll_default(select);
+    for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, node, i2 = 0; i2 < n2; ++i2) {
+        if (node = group[i2]) {
+          subgroups.push(select.call(node, node.__data__, i2, group));
+          parents.push(node);
+        }
+      }
+    }
+    return new Selection(subgroups, parents);
+  }
+
+  // node_modules/d3-selection/src/matcher.js
+  function matcher_default(selector) {
+    return function() {
+      return this.matches(selector);
+    };
+  }
+  function childMatcher(selector) {
+    return function(node) {
+      return node.matches(selector);
+    };
+  }
+
+  // node_modules/d3-selection/src/selection/selectChild.js
+  var find = Array.prototype.find;
+  function childFind(match) {
+    return function() {
+      return find.call(this.children, match);
+    };
+  }
+  function childFirst() {
+    return this.firstElementChild;
+  }
+  function selectChild_default(match) {
+    return this.select(match == null ? childFirst : childFind(typeof match === "function" ? match : childMatcher(match)));
+  }
+
+  // node_modules/d3-selection/src/selection/selectChildren.js
+  var filter = Array.prototype.filter;
+  function children() {
+    return Array.from(this.children);
+  }
+  function childrenFilter(match) {
+    return function() {
+      return filter.call(this.children, match);
+    };
+  }
+  function selectChildren_default(match) {
+    return this.selectAll(match == null ? children : childrenFilter(typeof match === "function" ? match : childMatcher(match)));
+  }
+
+  // node_modules/d3-selection/src/selection/filter.js
+  function filter_default(match) {
+    if (typeof match !== "function")
+      match = matcher_default(match);
+    for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, subgroup = subgroups[j2] = [], node, i2 = 0; i2 < n2; ++i2) {
+        if ((node = group[i2]) && match.call(node, node.__data__, i2, group)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return new Selection(subgroups, this._parents);
+  }
+
+  // node_modules/d3-selection/src/selection/sparse.js
+  function sparse_default(update) {
+    return new Array(update.length);
+  }
+
+  // node_modules/d3-selection/src/selection/enter.js
+  function enter_default() {
+    return new Selection(this._enter || this._groups.map(sparse_default), this._parents);
+  }
+  function EnterNode(parent, datum2) {
+    this.ownerDocument = parent.ownerDocument;
+    this.namespaceURI = parent.namespaceURI;
+    this._next = null;
+    this._parent = parent;
+    this.__data__ = datum2;
+  }
+  EnterNode.prototype = {
+    constructor: EnterNode,
+    appendChild: function(child) {
+      return this._parent.insertBefore(child, this._next);
+    },
+    insertBefore: function(child, next) {
+      return this._parent.insertBefore(child, next);
+    },
+    querySelector: function(selector) {
+      return this._parent.querySelector(selector);
+    },
+    querySelectorAll: function(selector) {
+      return this._parent.querySelectorAll(selector);
+    }
+  };
+
+  // node_modules/d3-selection/src/constant.js
+  function constant_default(x) {
+    return function() {
+      return x;
+    };
+  }
+
+  // node_modules/d3-selection/src/selection/data.js
+  function bindIndex(parent, group, enter, update, exit, data) {
+    var i2 = 0, node, groupLength = group.length, dataLength = data.length;
+    for (; i2 < dataLength; ++i2) {
+      if (node = group[i2]) {
+        node.__data__ = data[i2];
+        update[i2] = node;
+      } else {
+        enter[i2] = new EnterNode(parent, data[i2]);
+      }
+    }
+    for (; i2 < groupLength; ++i2) {
+      if (node = group[i2]) {
+        exit[i2] = node;
+      }
+    }
+  }
+  function bindKey(parent, group, enter, update, exit, data, key) {
+    var i2, node, nodeByKeyValue = /* @__PURE__ */ new Map(), groupLength = group.length, dataLength = data.length, keyValues = new Array(groupLength), keyValue;
+    for (i2 = 0; i2 < groupLength; ++i2) {
+      if (node = group[i2]) {
+        keyValues[i2] = keyValue = key.call(node, node.__data__, i2, group) + "";
+        if (nodeByKeyValue.has(keyValue)) {
+          exit[i2] = node;
+        } else {
+          nodeByKeyValue.set(keyValue, node);
+        }
+      }
+    }
+    for (i2 = 0; i2 < dataLength; ++i2) {
+      keyValue = key.call(parent, data[i2], i2, data) + "";
+      if (node = nodeByKeyValue.get(keyValue)) {
+        update[i2] = node;
+        node.__data__ = data[i2];
+        nodeByKeyValue.delete(keyValue);
+      } else {
+        enter[i2] = new EnterNode(parent, data[i2]);
+      }
+    }
+    for (i2 = 0; i2 < groupLength; ++i2) {
+      if ((node = group[i2]) && nodeByKeyValue.get(keyValues[i2]) === node) {
+        exit[i2] = node;
+      }
+    }
+  }
+  function datum(node) {
+    return node.__data__;
+  }
+  function data_default(value, key) {
+    if (!arguments.length)
+      return Array.from(this, datum);
+    var bind = key ? bindKey : bindIndex, parents = this._parents, groups = this._groups;
+    if (typeof value !== "function")
+      value = constant_default(value);
+    for (var m = groups.length, update = new Array(m), enter = new Array(m), exit = new Array(m), j2 = 0; j2 < m; ++j2) {
+      var parent = parents[j2], group = groups[j2], groupLength = group.length, data = arraylike(value.call(parent, parent && parent.__data__, j2, parents)), dataLength = data.length, enterGroup = enter[j2] = new Array(dataLength), updateGroup = update[j2] = new Array(dataLength), exitGroup = exit[j2] = new Array(groupLength);
+      bind(parent, group, enterGroup, updateGroup, exitGroup, data, key);
+      for (var i0 = 0, i1 = 0, previous, next; i0 < dataLength; ++i0) {
+        if (previous = enterGroup[i0]) {
+          if (i0 >= i1)
+            i1 = i0 + 1;
+          while (!(next = updateGroup[i1]) && ++i1 < dataLength)
+            ;
+          previous._next = next || null;
+        }
+      }
+    }
+    update = new Selection(update, parents);
+    update._enter = enter;
+    update._exit = exit;
+    return update;
+  }
+  function arraylike(data) {
+    return typeof data === "object" && "length" in data ? data : Array.from(data);
+  }
+
+  // node_modules/d3-selection/src/selection/exit.js
+  function exit_default() {
+    return new Selection(this._exit || this._groups.map(sparse_default), this._parents);
+  }
+
+  // node_modules/d3-selection/src/selection/join.js
+  function join_default(onenter, onupdate, onexit) {
+    var enter = this.enter(), update = this, exit = this.exit();
+    if (typeof onenter === "function") {
+      enter = onenter(enter);
+      if (enter)
+        enter = enter.selection();
+    } else {
+      enter = enter.append(onenter + "");
+    }
+    if (onupdate != null) {
+      update = onupdate(update);
+      if (update)
+        update = update.selection();
+    }
+    if (onexit == null)
+      exit.remove();
+    else
+      onexit(exit);
+    return enter && update ? enter.merge(update).order() : update;
+  }
+
+  // node_modules/d3-selection/src/selection/merge.js
+  function merge_default(context) {
+    var selection2 = context.selection ? context.selection() : context;
+    for (var groups0 = this._groups, groups1 = selection2._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j2 = 0; j2 < m; ++j2) {
+      for (var group0 = groups0[j2], group1 = groups1[j2], n2 = group0.length, merge2 = merges[j2] = new Array(n2), node, i2 = 0; i2 < n2; ++i2) {
+        if (node = group0[i2] || group1[i2]) {
+          merge2[i2] = node;
+        }
+      }
+    }
+    for (; j2 < m0; ++j2) {
+      merges[j2] = groups0[j2];
+    }
+    return new Selection(merges, this._parents);
+  }
+
+  // node_modules/d3-selection/src/selection/order.js
+  function order_default() {
+    for (var groups = this._groups, j2 = -1, m = groups.length; ++j2 < m; ) {
+      for (var group = groups[j2], i2 = group.length - 1, next = group[i2], node; --i2 >= 0; ) {
+        if (node = group[i2]) {
+          if (next && node.compareDocumentPosition(next) ^ 4)
+            next.parentNode.insertBefore(node, next);
+          next = node;
+        }
+      }
+    }
+    return this;
+  }
+
+  // node_modules/d3-selection/src/selection/sort.js
+  function sort_default(compare) {
+    if (!compare)
+      compare = ascending2;
+    function compareNode(a, b) {
+      return a && b ? compare(a.__data__, b.__data__) : !a - !b;
+    }
+    for (var groups = this._groups, m = groups.length, sortgroups = new Array(m), j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, sortgroup = sortgroups[j2] = new Array(n2), node, i2 = 0; i2 < n2; ++i2) {
+        if (node = group[i2]) {
+          sortgroup[i2] = node;
+        }
+      }
+      sortgroup.sort(compareNode);
+    }
+    return new Selection(sortgroups, this._parents).order();
+  }
+  function ascending2(a, b) {
+    return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+  }
+
+  // node_modules/d3-selection/src/selection/call.js
+  function call_default() {
+    var callback = arguments[0];
+    arguments[0] = this;
+    callback.apply(null, arguments);
+    return this;
+  }
+
+  // node_modules/d3-selection/src/selection/nodes.js
+  function nodes_default() {
+    return Array.from(this);
+  }
+
+  // node_modules/d3-selection/src/selection/node.js
+  function node_default() {
+    for (var groups = this._groups, j2 = 0, m = groups.length; j2 < m; ++j2) {
+      for (var group = groups[j2], i2 = 0, n2 = group.length; i2 < n2; ++i2) {
+        var node = group[i2];
+        if (node)
+          return node;
+      }
+    }
+    return null;
+  }
+
+  // node_modules/d3-selection/src/selection/size.js
+  function size_default() {
+    let size = 0;
+    for (const node of this)
+      ++size;
+    return size;
+  }
+
+  // node_modules/d3-selection/src/selection/empty.js
+  function empty_default() {
+    return !this.node();
+  }
+
+  // node_modules/d3-selection/src/selection/each.js
+  function each_default(callback) {
+    for (var groups = this._groups, j2 = 0, m = groups.length; j2 < m; ++j2) {
+      for (var group = groups[j2], i2 = 0, n2 = group.length, node; i2 < n2; ++i2) {
+        if (node = group[i2])
+          callback.call(node, node.__data__, i2, group);
+      }
+    }
+    return this;
+  }
+
+  // node_modules/d3-selection/src/selection/attr.js
+  function attrRemove(name) {
+    return function() {
+      this.removeAttribute(name);
+    };
+  }
+  function attrRemoveNS(fullname) {
+    return function() {
+      this.removeAttributeNS(fullname.space, fullname.local);
+    };
+  }
+  function attrConstant(name, value) {
+    return function() {
+      this.setAttribute(name, value);
+    };
+  }
+  function attrConstantNS(fullname, value) {
+    return function() {
+      this.setAttributeNS(fullname.space, fullname.local, value);
+    };
+  }
+  function attrFunction(name, value) {
+    return function() {
+      var v = value.apply(this, arguments);
+      if (v == null)
+        this.removeAttribute(name);
+      else
+        this.setAttribute(name, v);
+    };
+  }
+  function attrFunctionNS(fullname, value) {
+    return function() {
+      var v = value.apply(this, arguments);
+      if (v == null)
+        this.removeAttributeNS(fullname.space, fullname.local);
+      else
+        this.setAttributeNS(fullname.space, fullname.local, v);
+    };
+  }
+  function attr_default(name, value) {
+    var fullname = namespace_default(name);
+    if (arguments.length < 2) {
+      var node = this.node();
+      return fullname.local ? node.getAttributeNS(fullname.space, fullname.local) : node.getAttribute(fullname);
+    }
+    return this.each((value == null ? fullname.local ? attrRemoveNS : attrRemove : typeof value === "function" ? fullname.local ? attrFunctionNS : attrFunction : fullname.local ? attrConstantNS : attrConstant)(fullname, value));
+  }
+
+  // node_modules/d3-selection/src/window.js
+  function window_default(node) {
+    return node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView;
+  }
+
+  // node_modules/d3-selection/src/selection/style.js
+  function styleRemove(name) {
+    return function() {
+      this.style.removeProperty(name);
+    };
+  }
+  function styleConstant(name, value, priority) {
+    return function() {
+      this.style.setProperty(name, value, priority);
+    };
+  }
+  function styleFunction(name, value, priority) {
+    return function() {
+      var v = value.apply(this, arguments);
+      if (v == null)
+        this.style.removeProperty(name);
+      else
+        this.style.setProperty(name, v, priority);
+    };
+  }
+  function style_default(name, value, priority) {
+    return arguments.length > 1 ? this.each((value == null ? styleRemove : typeof value === "function" ? styleFunction : styleConstant)(name, value, priority == null ? "" : priority)) : styleValue(this.node(), name);
+  }
+  function styleValue(node, name) {
+    return node.style.getPropertyValue(name) || window_default(node).getComputedStyle(node, null).getPropertyValue(name);
+  }
+
+  // node_modules/d3-selection/src/selection/property.js
+  function propertyRemove(name) {
+    return function() {
+      delete this[name];
+    };
+  }
+  function propertyConstant(name, value) {
+    return function() {
+      this[name] = value;
+    };
+  }
+  function propertyFunction(name, value) {
+    return function() {
+      var v = value.apply(this, arguments);
+      if (v == null)
+        delete this[name];
+      else
+        this[name] = v;
+    };
+  }
+  function property_default(name, value) {
+    return arguments.length > 1 ? this.each((value == null ? propertyRemove : typeof value === "function" ? propertyFunction : propertyConstant)(name, value)) : this.node()[name];
+  }
+
+  // node_modules/d3-selection/src/selection/classed.js
+  function classArray(string) {
+    return string.trim().split(/^|\s+/);
+  }
+  function classList(node) {
+    return node.classList || new ClassList(node);
+  }
+  function ClassList(node) {
+    this._node = node;
+    this._names = classArray(node.getAttribute("class") || "");
+  }
+  ClassList.prototype = {
+    add: function(name) {
+      var i2 = this._names.indexOf(name);
+      if (i2 < 0) {
+        this._names.push(name);
+        this._node.setAttribute("class", this._names.join(" "));
+      }
+    },
+    remove: function(name) {
+      var i2 = this._names.indexOf(name);
+      if (i2 >= 0) {
+        this._names.splice(i2, 1);
+        this._node.setAttribute("class", this._names.join(" "));
+      }
+    },
+    contains: function(name) {
+      return this._names.indexOf(name) >= 0;
+    }
+  };
+  function classedAdd(node, names) {
+    var list = classList(node), i2 = -1, n2 = names.length;
+    while (++i2 < n2)
+      list.add(names[i2]);
+  }
+  function classedRemove(node, names) {
+    var list = classList(node), i2 = -1, n2 = names.length;
+    while (++i2 < n2)
+      list.remove(names[i2]);
+  }
+  function classedTrue(names) {
+    return function() {
+      classedAdd(this, names);
+    };
+  }
+  function classedFalse(names) {
+    return function() {
+      classedRemove(this, names);
+    };
+  }
+  function classedFunction(names, value) {
+    return function() {
+      (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names);
+    };
+  }
+  function classed_default(name, value) {
+    var names = classArray(name + "");
+    if (arguments.length < 2) {
+      var list = classList(this.node()), i2 = -1, n2 = names.length;
+      while (++i2 < n2)
+        if (!list.contains(names[i2]))
+          return false;
+      return true;
+    }
+    return this.each((typeof value === "function" ? classedFunction : value ? classedTrue : classedFalse)(names, value));
+  }
+
+  // node_modules/d3-selection/src/selection/text.js
+  function textRemove() {
+    this.textContent = "";
+  }
+  function textConstant(value) {
+    return function() {
+      this.textContent = value;
+    };
+  }
+  function textFunction(value) {
+    return function() {
+      var v = value.apply(this, arguments);
+      this.textContent = v == null ? "" : v;
+    };
+  }
+  function text_default(value) {
+    return arguments.length ? this.each(value == null ? textRemove : (typeof value === "function" ? textFunction : textConstant)(value)) : this.node().textContent;
+  }
+
+  // node_modules/d3-selection/src/selection/html.js
+  function htmlRemove() {
+    this.innerHTML = "";
+  }
+  function htmlConstant(value) {
+    return function() {
+      this.innerHTML = value;
+    };
+  }
+  function htmlFunction(value) {
+    return function() {
+      var v = value.apply(this, arguments);
+      this.innerHTML = v == null ? "" : v;
+    };
+  }
+  function html_default(value) {
+    return arguments.length ? this.each(value == null ? htmlRemove : (typeof value === "function" ? htmlFunction : htmlConstant)(value)) : this.node().innerHTML;
+  }
+
+  // node_modules/d3-selection/src/selection/raise.js
+  function raise() {
+    if (this.nextSibling)
+      this.parentNode.appendChild(this);
+  }
+  function raise_default() {
+    return this.each(raise);
+  }
+
+  // node_modules/d3-selection/src/selection/lower.js
+  function lower() {
+    if (this.previousSibling)
+      this.parentNode.insertBefore(this, this.parentNode.firstChild);
+  }
+  function lower_default() {
+    return this.each(lower);
+  }
+
+  // node_modules/d3-selection/src/selection/append.js
+  function append_default(name) {
+    var create2 = typeof name === "function" ? name : creator_default(name);
+    return this.select(function() {
+      return this.appendChild(create2.apply(this, arguments));
+    });
+  }
+
+  // node_modules/d3-selection/src/selection/insert.js
+  function constantNull() {
+    return null;
+  }
+  function insert_default(name, before) {
+    var create2 = typeof name === "function" ? name : creator_default(name), select = before == null ? constantNull : typeof before === "function" ? before : selector_default(before);
+    return this.select(function() {
+      return this.insertBefore(create2.apply(this, arguments), select.apply(this, arguments) || null);
+    });
+  }
+
+  // node_modules/d3-selection/src/selection/remove.js
+  function remove() {
+    var parent = this.parentNode;
+    if (parent)
+      parent.removeChild(this);
+  }
+  function remove_default() {
+    return this.each(remove);
+  }
+
+  // node_modules/d3-selection/src/selection/clone.js
+  function selection_cloneShallow() {
+    var clone = this.cloneNode(false), parent = this.parentNode;
+    return parent ? parent.insertBefore(clone, this.nextSibling) : clone;
+  }
+  function selection_cloneDeep() {
+    var clone = this.cloneNode(true), parent = this.parentNode;
+    return parent ? parent.insertBefore(clone, this.nextSibling) : clone;
+  }
+  function clone_default(deep) {
+    return this.select(deep ? selection_cloneDeep : selection_cloneShallow);
+  }
+
+  // node_modules/d3-selection/src/selection/datum.js
+  function datum_default(value) {
+    return arguments.length ? this.property("__data__", value) : this.node().__data__;
+  }
+
+  // node_modules/d3-selection/src/selection/on.js
+  function contextListener(listener) {
+    return function(event) {
+      listener.call(this, event, this.__data__);
+    };
+  }
+  function parseTypenames2(typenames) {
+    return typenames.trim().split(/^|\s+/).map(function(t) {
+      var name = "", i2 = t.indexOf(".");
+      if (i2 >= 0)
+        name = t.slice(i2 + 1), t = t.slice(0, i2);
+      return { type: t, name };
+    });
+  }
+  function onRemove(typename) {
+    return function() {
+      var on = this.__on;
+      if (!on)
+        return;
+      for (var j2 = 0, i2 = -1, m = on.length, o; j2 < m; ++j2) {
+        if (o = on[j2], (!typename.type || o.type === typename.type) && o.name === typename.name) {
+          this.removeEventListener(o.type, o.listener, o.options);
+        } else {
+          on[++i2] = o;
+        }
+      }
+      if (++i2)
+        on.length = i2;
+      else
+        delete this.__on;
+    };
+  }
+  function onAdd(typename, value, options2) {
+    return function() {
+      var on = this.__on, o, listener = contextListener(value);
+      if (on)
+        for (var j2 = 0, m = on.length; j2 < m; ++j2) {
+          if ((o = on[j2]).type === typename.type && o.name === typename.name) {
+            this.removeEventListener(o.type, o.listener, o.options);
+            this.addEventListener(o.type, o.listener = listener, o.options = options2);
+            o.value = value;
+            return;
+          }
+        }
+      this.addEventListener(typename.type, listener, options2);
+      o = { type: typename.type, name: typename.name, value, listener, options: options2 };
+      if (!on)
+        this.__on = [o];
+      else
+        on.push(o);
+    };
+  }
+  function on_default(typename, value, options2) {
+    var typenames = parseTypenames2(typename + ""), i2, n2 = typenames.length, t;
+    if (arguments.length < 2) {
+      var on = this.node().__on;
+      if (on)
+        for (var j2 = 0, m = on.length, o; j2 < m; ++j2) {
+          for (i2 = 0, o = on[j2]; i2 < n2; ++i2) {
+            if ((t = typenames[i2]).type === o.type && t.name === o.name) {
+              return o.value;
+            }
+          }
+        }
+      return;
+    }
+    on = value ? onAdd : onRemove;
+    for (i2 = 0; i2 < n2; ++i2)
+      this.each(on(typenames[i2], value, options2));
+    return this;
+  }
+
+  // node_modules/d3-selection/src/selection/dispatch.js
+  function dispatchEvent(node, type2, params) {
+    var window2 = window_default(node), event = window2.CustomEvent;
+    if (typeof event === "function") {
+      event = new event(type2, params);
+    } else {
+      event = window2.document.createEvent("Event");
+      if (params)
+        event.initEvent(type2, params.bubbles, params.cancelable), event.detail = params.detail;
+      else
+        event.initEvent(type2, false, false);
+    }
+    node.dispatchEvent(event);
+  }
+  function dispatchConstant(type2, params) {
+    return function() {
+      return dispatchEvent(this, type2, params);
+    };
+  }
+  function dispatchFunction(type2, params) {
+    return function() {
+      return dispatchEvent(this, type2, params.apply(this, arguments));
+    };
+  }
+  function dispatch_default2(type2, params) {
+    return this.each((typeof params === "function" ? dispatchFunction : dispatchConstant)(type2, params));
+  }
+
+  // node_modules/d3-selection/src/selection/iterator.js
+  function* iterator_default() {
+    for (var groups = this._groups, j2 = 0, m = groups.length; j2 < m; ++j2) {
+      for (var group = groups[j2], i2 = 0, n2 = group.length, node; i2 < n2; ++i2) {
+        if (node = group[i2])
+          yield node;
+      }
+    }
+  }
+
+  // node_modules/d3-selection/src/selection/index.js
+  var root = [null];
+  function Selection(groups, parents) {
+    this._groups = groups;
+    this._parents = parents;
+  }
+  function selection() {
+    return new Selection([[document.documentElement]], root);
+  }
+  function selection_selection() {
+    return this;
+  }
+  Selection.prototype = selection.prototype = {
+    constructor: Selection,
+    select: select_default,
+    selectAll: selectAll_default,
+    selectChild: selectChild_default,
+    selectChildren: selectChildren_default,
+    filter: filter_default,
+    data: data_default,
+    enter: enter_default,
+    exit: exit_default,
+    join: join_default,
+    merge: merge_default,
+    selection: selection_selection,
+    order: order_default,
+    sort: sort_default,
+    call: call_default,
+    nodes: nodes_default,
+    node: node_default,
+    size: size_default,
+    empty: empty_default,
+    each: each_default,
+    attr: attr_default,
+    style: style_default,
+    property: property_default,
+    classed: classed_default,
+    text: text_default,
+    html: html_default,
+    raise: raise_default,
+    lower: lower_default,
+    append: append_default,
+    insert: insert_default,
+    remove: remove_default,
+    clone: clone_default,
+    datum: datum_default,
+    on: on_default,
+    dispatch: dispatch_default2,
+    [Symbol.iterator]: iterator_default
+  };
+  var selection_default = selection;
+
+  // node_modules/d3-selection/src/select.js
+  function select_default2(selector) {
+    return typeof selector === "string" ? new Selection([[document.querySelector(selector)]], [document.documentElement]) : new Selection([[selector]], root);
+  }
+
+  // node_modules/d3-selection/src/sourceEvent.js
+  function sourceEvent_default(event) {
+    let sourceEvent;
+    while (sourceEvent = event.sourceEvent)
+      event = sourceEvent;
+    return event;
+  }
+
+  // node_modules/d3-selection/src/pointer.js
+  function pointer_default(event, node) {
+    event = sourceEvent_default(event);
+    if (node === void 0)
+      node = event.currentTarget;
+    if (node) {
+      var svg2 = node.ownerSVGElement || node;
+      if (svg2.createSVGPoint) {
+        var point2 = svg2.createSVGPoint();
+        point2.x = event.clientX, point2.y = event.clientY;
+        point2 = point2.matrixTransform(node.getScreenCTM().inverse());
+        return [point2.x, point2.y];
+      }
+      if (node.getBoundingClientRect) {
+        var rect = node.getBoundingClientRect();
+        return [event.clientX - rect.left - node.clientLeft, event.clientY - rect.top - node.clientTop];
+      }
+    }
+    return [event.pageX, event.pageY];
+  }
+
+  // node_modules/d3-selection/src/selectAll.js
+  function selectAll_default2(selector) {
+    return typeof selector === "string" ? new Selection([document.querySelectorAll(selector)], [document.documentElement]) : new Selection([array(selector)], root);
+  }
+
+  // node_modules/d3-drag/src/noevent.js
+  var nonpassive = { passive: false };
+  var nonpassivecapture = { capture: true, passive: false };
+  function nopropagation(event) {
+    event.stopImmediatePropagation();
+  }
+  function noevent_default(event) {
+    event.preventDefault();
+    event.stopImmediatePropagation();
+  }
+
+  // node_modules/d3-drag/src/nodrag.js
+  function nodrag_default(view) {
+    var root3 = view.document.documentElement, selection2 = select_default2(view).on("dragstart.drag", noevent_default, nonpassivecapture);
+    if ("onselectstart" in root3) {
+      selection2.on("selectstart.drag", noevent_default, nonpassivecapture);
+    } else {
+      root3.__noselect = root3.style.MozUserSelect;
+      root3.style.MozUserSelect = "none";
+    }
+  }
+  function yesdrag(view, noclick) {
+    var root3 = view.document.documentElement, selection2 = select_default2(view).on("dragstart.drag", null);
+    if (noclick) {
+      selection2.on("click.drag", noevent_default, nonpassivecapture);
+      setTimeout(function() {
+        selection2.on("click.drag", null);
+      }, 0);
+    }
+    if ("onselectstart" in root3) {
+      selection2.on("selectstart.drag", null);
+    } else {
+      root3.style.MozUserSelect = root3.__noselect;
+      delete root3.__noselect;
+    }
+  }
+
+  // node_modules/d3-drag/src/constant.js
+  var constant_default2 = (x) => () => x;
+
+  // node_modules/d3-drag/src/event.js
+  function DragEvent(type2, {
+    sourceEvent,
+    subject,
+    target,
+    identifier,
+    active,
+    x,
+    y,
+    dx,
+    dy,
+    dispatch: dispatch10
+  }) {
+    Object.defineProperties(this, {
+      type: { value: type2, enumerable: true, configurable: true },
+      sourceEvent: { value: sourceEvent, enumerable: true, configurable: true },
+      subject: { value: subject, enumerable: true, configurable: true },
+      target: { value: target, enumerable: true, configurable: true },
+      identifier: { value: identifier, enumerable: true, configurable: true },
+      active: { value: active, enumerable: true, configurable: true },
+      x: { value: x, enumerable: true, configurable: true },
+      y: { value: y, enumerable: true, configurable: true },
+      dx: { value: dx, enumerable: true, configurable: true },
+      dy: { value: dy, enumerable: true, configurable: true },
+      _: { value: dispatch10 }
+    });
+  }
+  DragEvent.prototype.on = function() {
+    var value = this._.on.apply(this._, arguments);
+    return value === this._ ? this : value;
+  };
+
+  // node_modules/d3-drag/src/drag.js
+  function defaultFilter(event) {
+    return !event.ctrlKey && !event.button;
+  }
+  function defaultContainer() {
+    return this.parentNode;
+  }
+  function defaultSubject(event, d) {
+    return d == null ? { x: event.x, y: event.y } : d;
+  }
+  function defaultTouchable() {
+    return navigator.maxTouchPoints || "ontouchstart" in this;
+  }
+  function drag_default() {
+    var filter2 = defaultFilter, container = defaultContainer, subject = defaultSubject, touchable = defaultTouchable, gestures = {}, listeners = dispatch_default("start", "drag", "end"), active = 0, mousedownx, mousedowny, mousemoving, touchending, clickDistance2 = 0;
+    function drag(selection2) {
+      selection2.on("mousedown.drag", mousedowned).filter(touchable).on("touchstart.drag", touchstarted).on("touchmove.drag", touchmoved, nonpassive).on("touchend.drag touchcancel.drag", touchended).style("touch-action", "none").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
+    }
+    function mousedowned(event, d) {
+      if (touchending || !filter2.call(this, event, d))
+        return;
+      var gesture = beforestart(this, container.call(this, event, d), event, d, "mouse");
+      if (!gesture)
+        return;
+      select_default2(event.view).on("mousemove.drag", mousemoved, nonpassivecapture).on("mouseup.drag", mouseupped, nonpassivecapture);
+      nodrag_default(event.view);
+      nopropagation(event);
+      mousemoving = false;
+      mousedownx = event.clientX;
+      mousedowny = event.clientY;
+      gesture("start", event);
+    }
+    function mousemoved(event) {
+      noevent_default(event);
+      if (!mousemoving) {
+        var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny;
+        mousemoving = dx * dx + dy * dy > clickDistance2;
+      }
+      gestures.mouse("drag", event);
+    }
+    function mouseupped(event) {
+      select_default2(event.view).on("mousemove.drag mouseup.drag", null);
+      yesdrag(event.view, mousemoving);
+      noevent_default(event);
+      gestures.mouse("end", event);
+    }
+    function touchstarted(event, d) {
+      if (!filter2.call(this, event, d))
+        return;
+      var touches = event.changedTouches, c = container.call(this, event, d), n2 = touches.length, i2, gesture;
+      for (i2 = 0; i2 < n2; ++i2) {
+        if (gesture = beforestart(this, c, event, d, touches[i2].identifier, touches[i2])) {
+          nopropagation(event);
+          gesture("start", event, touches[i2]);
+        }
+      }
+    }
+    function touchmoved(event) {
+      var touches = event.changedTouches, n2 = touches.length, i2, gesture;
+      for (i2 = 0; i2 < n2; ++i2) {
+        if (gesture = gestures[touches[i2].identifier]) {
+          noevent_default(event);
+          gesture("drag", event, touches[i2]);
+        }
+      }
+    }
+    function touchended(event) {
+      var touches = event.changedTouches, n2 = touches.length, i2, gesture;
+      if (touchending)
+        clearTimeout(touchending);
+      touchending = setTimeout(function() {
+        touchending = null;
+      }, 500);
+      for (i2 = 0; i2 < n2; ++i2) {
+        if (gesture = gestures[touches[i2].identifier]) {
+          nopropagation(event);
+          gesture("end", event, touches[i2]);
+        }
+      }
+    }
+    function beforestart(that, container2, event, d, identifier, touch) {
+      var dispatch10 = listeners.copy(), p = pointer_default(touch || event, container2), dx, dy, s;
+      if ((s = subject.call(that, new DragEvent("beforestart", {
+        sourceEvent: event,
+        target: drag,
+        identifier,
+        active,
+        x: p[0],
+        y: p[1],
+        dx: 0,
+        dy: 0,
+        dispatch: dispatch10
+      }), d)) == null)
+        return;
+      dx = s.x - p[0] || 0;
+      dy = s.y - p[1] || 0;
+      return function gesture(type2, event2, touch2) {
+        var p02 = p, n2;
+        switch (type2) {
+          case "start":
+            gestures[identifier] = gesture, n2 = active++;
+            break;
+          case "end":
+            delete gestures[identifier], --active;
+          case "drag":
+            p = pointer_default(touch2 || event2, container2), n2 = active;
+            break;
+        }
+        dispatch10.call(
+          type2,
+          that,
+          new DragEvent(type2, {
+            sourceEvent: event2,
+            subject: s,
+            target: drag,
+            identifier,
+            active: n2,
+            x: p[0] + dx,
+            y: p[1] + dy,
+            dx: p[0] - p02[0],
+            dy: p[1] - p02[1],
+            dispatch: dispatch10
+          }),
+          d
+        );
+      };
+    }
+    drag.filter = function(_) {
+      return arguments.length ? (filter2 = typeof _ === "function" ? _ : constant_default2(!!_), drag) : filter2;
+    };
+    drag.container = function(_) {
+      return arguments.length ? (container = typeof _ === "function" ? _ : constant_default2(_), drag) : container;
+    };
+    drag.subject = function(_) {
+      return arguments.length ? (subject = typeof _ === "function" ? _ : constant_default2(_), drag) : subject;
+    };
+    drag.touchable = function(_) {
+      return arguments.length ? (touchable = typeof _ === "function" ? _ : constant_default2(!!_), drag) : touchable;
+    };
+    drag.on = function() {
+      var value = listeners.on.apply(listeners, arguments);
+      return value === listeners ? drag : value;
+    };
+    drag.clickDistance = function(_) {
+      return arguments.length ? (clickDistance2 = (_ = +_) * _, drag) : Math.sqrt(clickDistance2);
+    };
+    return drag;
+  }
+
+  // node_modules/d3-color/src/define.js
+  function define_default(constructor, factory, prototype) {
+    constructor.prototype = factory.prototype = prototype;
+    prototype.constructor = constructor;
+  }
+  function extend(parent, definition) {
+    var prototype = Object.create(parent.prototype);
+    for (var key in definition)
+      prototype[key] = definition[key];
+    return prototype;
+  }
+
+  // node_modules/d3-color/src/color.js
+  function Color() {
+  }
+  var darker = 0.7;
+  var brighter = 1 / darker;
+  var reI = "\\s*([+-]?\\d+)\\s*";
+  var reN = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)\\s*";
+  var reP = "\\s*([+-]?(?:\\d*\\.)?\\d+(?:[eE][+-]?\\d+)?)%\\s*";
+  var reHex = /^#([0-9a-f]{3,8})$/;
+  var reRgbInteger = new RegExp(`^rgb\\(${reI},${reI},${reI}\\)$`);
+  var reRgbPercent = new RegExp(`^rgb\\(${reP},${reP},${reP}\\)$`);
+  var reRgbaInteger = new RegExp(`^rgba\\(${reI},${reI},${reI},${reN}\\)$`);
+  var reRgbaPercent = new RegExp(`^rgba\\(${reP},${reP},${reP},${reN}\\)$`);
+  var reHslPercent = new RegExp(`^hsl\\(${reN},${reP},${reP}\\)$`);
+  var reHslaPercent = new RegExp(`^hsla\\(${reN},${reP},${reP},${reN}\\)$`);
+  var named = {
+    aliceblue: 15792383,
+    antiquewhite: 16444375,
+    aqua: 65535,
+    aquamarine: 8388564,
+    azure: 15794175,
+    beige: 16119260,
+    bisque: 16770244,
+    black: 0,
+    blanchedalmond: 16772045,
+    blue: 255,
+    blueviolet: 9055202,
+    brown: 10824234,
+    burlywood: 14596231,
+    cadetblue: 6266528,
+    chartreuse: 8388352,
+    chocolate: 13789470,
+    coral: 16744272,
+    cornflowerblue: 6591981,
+    cornsilk: 16775388,
+    crimson: 14423100,
+    cyan: 65535,
+    darkblue: 139,
+    darkcyan: 35723,
+    darkgoldenrod: 12092939,
+    darkgray: 11119017,
+    darkgreen: 25600,
+    darkgrey: 11119017,
+    darkkhaki: 12433259,
+    darkmagenta: 9109643,
+    darkolivegreen: 5597999,
+    darkorange: 16747520,
+    darkorchid: 10040012,
+    darkred: 9109504,
+    darksalmon: 15308410,
+    darkseagreen: 9419919,
+    darkslateblue: 4734347,
+    darkslategray: 3100495,
+    darkslategrey: 3100495,
+    darkturquoise: 52945,
+    darkviolet: 9699539,
+    deeppink: 16716947,
+    deepskyblue: 49151,
+    dimgray: 6908265,
+    dimgrey: 6908265,
+    dodgerblue: 2003199,
+    firebrick: 11674146,
+    floralwhite: 16775920,
+    forestgreen: 2263842,
+    fuchsia: 16711935,
+    gainsboro: 14474460,
+    ghostwhite: 16316671,
+    gold: 16766720,
+    goldenrod: 14329120,
+    gray: 8421504,
+    green: 32768,
+    greenyellow: 11403055,
+    grey: 8421504,
+    honeydew: 15794160,
+    hotpink: 16738740,
+    indianred: 13458524,
+    indigo: 4915330,
+    ivory: 16777200,
+    khaki: 15787660,
+    lavender: 15132410,
+    lavenderblush: 16773365,
+    lawngreen: 8190976,
+    lemonchiffon: 16775885,
+    lightblue: 11393254,
+    lightcoral: 15761536,
+    lightcyan: 14745599,
+    lightgoldenrodyellow: 16448210,
+    lightgray: 13882323,
+    lightgreen: 9498256,
+    lightgrey: 13882323,
+    lightpink: 16758465,
+    lightsalmon: 16752762,
+    lightseagreen: 2142890,
+    lightskyblue: 8900346,
+    lightslategray: 7833753,
+    lightslategrey: 7833753,
+    lightsteelblue: 11584734,
+    lightyellow: 16777184,
+    lime: 65280,
+    limegreen: 3329330,
+    linen: 16445670,
+    magenta: 16711935,
+    maroon: 8388608,
+    mediumaquamarine: 6737322,
+    mediumblue: 205,
+    mediumorchid: 12211667,
+    mediumpurple: 9662683,
+    mediumseagreen: 3978097,
+    mediumslateblue: 8087790,
+    mediumspringgreen: 64154,
+    mediumturquoise: 4772300,
+    mediumvioletred: 13047173,
+    midnightblue: 1644912,
+    mintcream: 16121850,
+    mistyrose: 16770273,
+    moccasin: 16770229,
+    navajowhite: 16768685,
+    navy: 128,
+    oldlace: 16643558,
+    olive: 8421376,
+    olivedrab: 7048739,
+    orange: 16753920,
+    orangered: 16729344,
+    orchid: 14315734,
+    palegoldenrod: 15657130,
+    palegreen: 10025880,
+    paleturquoise: 11529966,
+    palevioletred: 14381203,
+    papayawhip: 16773077,
+    peachpuff: 16767673,
+    peru: 13468991,
+    pink: 16761035,
+    plum: 14524637,
+    powderblue: 11591910,
+    purple: 8388736,
+    rebeccapurple: 6697881,
+    red: 16711680,
+    rosybrown: 12357519,
+    royalblue: 4286945,
+    saddlebrown: 9127187,
+    salmon: 16416882,
+    sandybrown: 16032864,
+    seagreen: 3050327,
+    seashell: 16774638,
+    sienna: 10506797,
+    silver: 12632256,
+    skyblue: 8900331,
+    slateblue: 6970061,
+    slategray: 7372944,
+    slategrey: 7372944,
+    snow: 16775930,
+    springgreen: 65407,
+    steelblue: 4620980,
+    tan: 13808780,
+    teal: 32896,
+    thistle: 14204888,
+    tomato: 16737095,
+    turquoise: 4251856,
+    violet: 15631086,
+    wheat: 16113331,
+    white: 16777215,
+    whitesmoke: 16119285,
+    yellow: 16776960,
+    yellowgreen: 10145074
+  };
+  define_default(Color, color, {
+    copy(channels) {
+      return Object.assign(new this.constructor(), this, channels);
+    },
+    displayable() {
+      return this.rgb().displayable();
+    },
+    hex: color_formatHex,
+    // Deprecated! Use color.formatHex.
+    formatHex: color_formatHex,
+    formatHex8: color_formatHex8,
+    formatHsl: color_formatHsl,
+    formatRgb: color_formatRgb,
+    toString: color_formatRgb
+  });
+  function color_formatHex() {
+    return this.rgb().formatHex();
+  }
+  function color_formatHex8() {
+    return this.rgb().formatHex8();
+  }
+  function color_formatHsl() {
+    return hslConvert(this).formatHsl();
+  }
+  function color_formatRgb() {
+    return this.rgb().formatRgb();
+  }
+  function color(format2) {
+    var m, l;
+    format2 = (format2 + "").trim().toLowerCase();
+    return (m = reHex.exec(format2)) ? (l = m[1].length, m = parseInt(m[1], 16), l === 6 ? rgbn(m) : l === 3 ? new Rgb(m >> 8 & 15 | m >> 4 & 240, m >> 4 & 15 | m & 240, (m & 15) << 4 | m & 15, 1) : l === 8 ? rgba(m >> 24 & 255, m >> 16 & 255, m >> 8 & 255, (m & 255) / 255) : l === 4 ? rgba(m >> 12 & 15 | m >> 8 & 240, m >> 8 & 15 | m >> 4 & 240, m >> 4 & 15 | m & 240, ((m & 15) << 4 | m & 15) / 255) : null) : (m = reRgbInteger.exec(format2)) ? new Rgb(m[1], m[2], m[3], 1) : (m = reRgbPercent.exec(format2)) ? new Rgb(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, 1) : (m = reRgbaInteger.exec(format2)) ? rgba(m[1], m[2], m[3], m[4]) : (m = reRgbaPercent.exec(format2)) ? rgba(m[1] * 255 / 100, m[2] * 255 / 100, m[3] * 255 / 100, m[4]) : (m = reHslPercent.exec(format2)) ? hsla(m[1], m[2] / 100, m[3] / 100, 1) : (m = reHslaPercent.exec(format2)) ? hsla(m[1], m[2] / 100, m[3] / 100, m[4]) : named.hasOwnProperty(format2) ? rgbn(named[format2]) : format2 === "transparent" ? new Rgb(NaN, NaN, NaN, 0) : null;
+  }
+  function rgbn(n2) {
+    return new Rgb(n2 >> 16 & 255, n2 >> 8 & 255, n2 & 255, 1);
+  }
+  function rgba(r, g, b, a) {
+    if (a <= 0)
+      r = g = b = NaN;
+    return new Rgb(r, g, b, a);
+  }
+  function rgbConvert(o) {
+    if (!(o instanceof Color))
+      o = color(o);
+    if (!o)
+      return new Rgb();
+    o = o.rgb();
+    return new Rgb(o.r, o.g, o.b, o.opacity);
+  }
+  function rgb(r, g, b, opacity) {
+    return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity);
+  }
+  function Rgb(r, g, b, opacity) {
+    this.r = +r;
+    this.g = +g;
+    this.b = +b;
+    this.opacity = +opacity;
+  }
+  define_default(Rgb, rgb, extend(Color, {
+    brighter(k) {
+      k = k == null ? brighter : Math.pow(brighter, k);
+      return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);
+    },
+    darker(k) {
+      k = k == null ? darker : Math.pow(darker, k);
+      return new Rgb(this.r * k, this.g * k, this.b * k, this.opacity);
+    },
+    rgb() {
+      return this;
+    },
+    clamp() {
+      return new Rgb(clampi(this.r), clampi(this.g), clampi(this.b), clampa(this.opacity));
+    },
+    displayable() {
+      return -0.5 <= this.r && this.r < 255.5 && (-0.5 <= this.g && this.g < 255.5) && (-0.5 <= this.b && this.b < 255.5) && (0 <= this.opacity && this.opacity <= 1);
+    },
+    hex: rgb_formatHex,
+    // Deprecated! Use color.formatHex.
+    formatHex: rgb_formatHex,
+    formatHex8: rgb_formatHex8,
+    formatRgb: rgb_formatRgb,
+    toString: rgb_formatRgb
+  }));
+  function rgb_formatHex() {
+    return `#${hex(this.r)}${hex(this.g)}${hex(this.b)}`;
+  }
+  function rgb_formatHex8() {
+    return `#${hex(this.r)}${hex(this.g)}${hex(this.b)}${hex((isNaN(this.opacity) ? 1 : this.opacity) * 255)}`;
+  }
+  function rgb_formatRgb() {
+    const a = clampa(this.opacity);
+    return `${a === 1 ? "rgb(" : "rgba("}${clampi(this.r)}, ${clampi(this.g)}, ${clampi(this.b)}${a === 1 ? ")" : `, ${a})`}`;
+  }
+  function clampa(opacity) {
+    return isNaN(opacity) ? 1 : Math.max(0, Math.min(1, opacity));
+  }
+  function clampi(value) {
+    return Math.max(0, Math.min(255, Math.round(value) || 0));
+  }
+  function hex(value) {
+    value = clampi(value);
+    return (value < 16 ? "0" : "") + value.toString(16);
+  }
+  function hsla(h, s, l, a) {
+    if (a <= 0)
+      h = s = l = NaN;
+    else if (l <= 0 || l >= 1)
+      h = s = NaN;
+    else if (s <= 0)
+      h = NaN;
+    return new Hsl(h, s, l, a);
+  }
+  function hslConvert(o) {
+    if (o instanceof Hsl)
+      return new Hsl(o.h, o.s, o.l, o.opacity);
+    if (!(o instanceof Color))
+      o = color(o);
+    if (!o)
+      return new Hsl();
+    if (o instanceof Hsl)
+      return o;
+    o = o.rgb();
+    var r = o.r / 255, g = o.g / 255, b = o.b / 255, min3 = Math.min(r, g, b), max3 = Math.max(r, g, b), h = NaN, s = max3 - min3, l = (max3 + min3) / 2;
+    if (s) {
+      if (r === max3)
+        h = (g - b) / s + (g < b) * 6;
+      else if (g === max3)
+        h = (b - r) / s + 2;
+      else
+        h = (r - g) / s + 4;
+      s /= l < 0.5 ? max3 + min3 : 2 - max3 - min3;
+      h *= 60;
+    } else {
+      s = l > 0 && l < 1 ? 0 : h;
+    }
+    return new Hsl(h, s, l, o.opacity);
+  }
+  function hsl(h, s, l, opacity) {
+    return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity);
+  }
+  function Hsl(h, s, l, opacity) {
+    this.h = +h;
+    this.s = +s;
+    this.l = +l;
+    this.opacity = +opacity;
+  }
+  define_default(Hsl, hsl, extend(Color, {
+    brighter(k) {
+      k = k == null ? brighter : Math.pow(brighter, k);
+      return new Hsl(this.h, this.s, this.l * k, this.opacity);
+    },
+    darker(k) {
+      k = k == null ? darker : Math.pow(darker, k);
+      return new Hsl(this.h, this.s, this.l * k, this.opacity);
+    },
+    rgb() {
+      var h = this.h % 360 + (this.h < 0) * 360, s = isNaN(h) || isNaN(this.s) ? 0 : this.s, l = this.l, m2 = l + (l < 0.5 ? l : 1 - l) * s, m1 = 2 * l - m2;
+      return new Rgb(
+        hsl2rgb(h >= 240 ? h - 240 : h + 120, m1, m2),
+        hsl2rgb(h, m1, m2),
+        hsl2rgb(h < 120 ? h + 240 : h - 120, m1, m2),
+        this.opacity
+      );
+    },
+    clamp() {
+      return new Hsl(clamph(this.h), clampt(this.s), clampt(this.l), clampa(this.opacity));
+    },
+    displayable() {
+      return (0 <= this.s && this.s <= 1 || isNaN(this.s)) && (0 <= this.l && this.l <= 1) && (0 <= this.opacity && this.opacity <= 1);
+    },
+    formatHsl() {
+      const a = clampa(this.opacity);
+      return `${a === 1 ? "hsl(" : "hsla("}${clamph(this.h)}, ${clampt(this.s) * 100}%, ${clampt(this.l) * 100}%${a === 1 ? ")" : `, ${a})`}`;
+    }
+  }));
+  function clamph(value) {
+    value = (value || 0) % 360;
+    return value < 0 ? value + 360 : value;
+  }
+  function clampt(value) {
+    return Math.max(0, Math.min(1, value || 0));
+  }
+  function hsl2rgb(h, m1, m2) {
+    return (h < 60 ? m1 + (m2 - m1) * h / 60 : h < 180 ? m2 : h < 240 ? m1 + (m2 - m1) * (240 - h) / 60 : m1) * 255;
+  }
+
+  // node_modules/d3-interpolate/src/basis.js
+  function basis(t1, v0, v1, v2, v3) {
+    var t2 = t1 * t1, t3 = t2 * t1;
+    return ((1 - 3 * t1 + 3 * t2 - t3) * v0 + (4 - 6 * t2 + 3 * t3) * v1 + (1 + 3 * t1 + 3 * t2 - 3 * t3) * v2 + t3 * v3) / 6;
+  }
+  function basis_default(values) {
+    var n2 = values.length - 1;
+    return function(t) {
+      var i2 = t <= 0 ? t = 0 : t >= 1 ? (t = 1, n2 - 1) : Math.floor(t * n2), v1 = values[i2], v2 = values[i2 + 1], v0 = i2 > 0 ? values[i2 - 1] : 2 * v1 - v2, v3 = i2 < n2 - 1 ? values[i2 + 2] : 2 * v2 - v1;
+      return basis((t - i2 / n2) * n2, v0, v1, v2, v3);
+    };
+  }
+
+  // node_modules/d3-interpolate/src/basisClosed.js
+  function basisClosed_default(values) {
+    var n2 = values.length;
+    return function(t) {
+      var i2 = Math.floor(((t %= 1) < 0 ? ++t : t) * n2), v0 = values[(i2 + n2 - 1) % n2], v1 = values[i2 % n2], v2 = values[(i2 + 1) % n2], v3 = values[(i2 + 2) % n2];
+      return basis((t - i2 / n2) * n2, v0, v1, v2, v3);
+    };
+  }
+
+  // node_modules/d3-interpolate/src/constant.js
+  var constant_default3 = (x) => () => x;
+
+  // node_modules/d3-interpolate/src/color.js
+  function linear(a, d) {
+    return function(t) {
+      return a + t * d;
+    };
+  }
+  function exponential(a, b, y) {
+    return a = Math.pow(a, y), b = Math.pow(b, y) - a, y = 1 / y, function(t) {
+      return Math.pow(a + t * b, y);
+    };
+  }
+  function gamma(y) {
+    return (y = +y) === 1 ? nogamma : function(a, b) {
+      return b - a ? exponential(a, b, y) : constant_default3(isNaN(a) ? b : a);
+    };
+  }
+  function nogamma(a, b) {
+    var d = b - a;
+    return d ? linear(a, d) : constant_default3(isNaN(a) ? b : a);
+  }
+
+  // node_modules/d3-interpolate/src/rgb.js
+  var rgb_default = function rgbGamma(y) {
+    var color2 = gamma(y);
+    function rgb2(start2, end) {
+      var r = color2((start2 = rgb(start2)).r, (end = rgb(end)).r), g = color2(start2.g, end.g), b = color2(start2.b, end.b), opacity = nogamma(start2.opacity, end.opacity);
+      return function(t) {
+        start2.r = r(t);
+        start2.g = g(t);
+        start2.b = b(t);
+        start2.opacity = opacity(t);
+        return start2 + "";
+      };
+    }
+    rgb2.gamma = rgbGamma;
+    return rgb2;
+  }(1);
+  function rgbSpline(spline) {
+    return function(colors) {
+      var n2 = colors.length, r = new Array(n2), g = new Array(n2), b = new Array(n2), i2, color2;
+      for (i2 = 0; i2 < n2; ++i2) {
+        color2 = rgb(colors[i2]);
+        r[i2] = color2.r || 0;
+        g[i2] = color2.g || 0;
+        b[i2] = color2.b || 0;
+      }
+      r = spline(r);
+      g = spline(g);
+      b = spline(b);
+      color2.opacity = 1;
+      return function(t) {
+        color2.r = r(t);
+        color2.g = g(t);
+        color2.b = b(t);
+        return color2 + "";
+      };
+    };
+  }
+  var rgbBasis = rgbSpline(basis_default);
+  var rgbBasisClosed = rgbSpline(basisClosed_default);
+
+  // node_modules/d3-interpolate/src/numberArray.js
+  function numberArray_default(a, b) {
+    if (!b)
+      b = [];
+    var n2 = a ? Math.min(b.length, a.length) : 0, c = b.slice(), i2;
+    return function(t) {
+      for (i2 = 0; i2 < n2; ++i2)
+        c[i2] = a[i2] * (1 - t) + b[i2] * t;
+      return c;
+    };
+  }
+  function isNumberArray(x) {
+    return ArrayBuffer.isView(x) && !(x instanceof DataView);
+  }
+
+  // node_modules/d3-interpolate/src/array.js
+  function genericArray(a, b) {
+    var nb = b ? b.length : 0, na = a ? Math.min(nb, a.length) : 0, x = new Array(na), c = new Array(nb), i2;
+    for (i2 = 0; i2 < na; ++i2)
+      x[i2] = value_default(a[i2], b[i2]);
+    for (; i2 < nb; ++i2)
+      c[i2] = b[i2];
+    return function(t) {
+      for (i2 = 0; i2 < na; ++i2)
+        c[i2] = x[i2](t);
+      return c;
+    };
+  }
+
+  // node_modules/d3-interpolate/src/date.js
+  function date_default(a, b) {
+    var d = /* @__PURE__ */ new Date();
+    return a = +a, b = +b, function(t) {
+      return d.setTime(a * (1 - t) + b * t), d;
+    };
+  }
+
+  // node_modules/d3-interpolate/src/number.js
+  function number_default(a, b) {
+    return a = +a, b = +b, function(t) {
+      return a * (1 - t) + b * t;
+    };
+  }
+
+  // node_modules/d3-interpolate/src/object.js
+  function object_default(a, b) {
+    var i2 = {}, c = {}, k;
+    if (a === null || typeof a !== "object")
+      a = {};
+    if (b === null || typeof b !== "object")
+      b = {};
+    for (k in b) {
+      if (k in a) {
+        i2[k] = value_default(a[k], b[k]);
+      } else {
+        c[k] = b[k];
+      }
+    }
+    return function(t) {
+      for (k in i2)
+        c[k] = i2[k](t);
+      return c;
+    };
+  }
+
+  // node_modules/d3-interpolate/src/string.js
+  var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
+  var reB = new RegExp(reA.source, "g");
+  function zero2(b) {
+    return function() {
+      return b;
+    };
+  }
+  function one(b) {
+    return function(t) {
+      return b(t) + "";
+    };
+  }
+  function string_default(a, b) {
+    var bi = reA.lastIndex = reB.lastIndex = 0, am, bm, bs, i2 = -1, s = [], q = [];
+    a = a + "", b = b + "";
+    while ((am = reA.exec(a)) && (bm = reB.exec(b))) {
+      if ((bs = bm.index) > bi) {
+        bs = b.slice(bi, bs);
+        if (s[i2])
+          s[i2] += bs;
+        else
+          s[++i2] = bs;
+      }
+      if ((am = am[0]) === (bm = bm[0])) {
+        if (s[i2])
+          s[i2] += bm;
+        else
+          s[++i2] = bm;
+      } else {
+        s[++i2] = null;
+        q.push({ i: i2, x: number_default(am, bm) });
+      }
+      bi = reB.lastIndex;
+    }
+    if (bi < b.length) {
+      bs = b.slice(bi);
+      if (s[i2])
+        s[i2] += bs;
+      else
+        s[++i2] = bs;
+    }
+    return s.length < 2 ? q[0] ? one(q[0].x) : zero2(b) : (b = q.length, function(t) {
+      for (var i3 = 0, o; i3 < b; ++i3)
+        s[(o = q[i3]).i] = o.x(t);
+      return s.join("");
+    });
+  }
+
+  // node_modules/d3-interpolate/src/value.js
+  function value_default(a, b) {
+    var t = typeof b, c;
+    return b == null || t === "boolean" ? constant_default3(b) : (t === "number" ? number_default : t === "string" ? (c = color(b)) ? (b = c, rgb_default) : string_default : b instanceof color ? rgb_default : b instanceof Date ? date_default : isNumberArray(b) ? numberArray_default : Array.isArray(b) ? genericArray : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object_default : number_default)(a, b);
+  }
+
+  // node_modules/d3-interpolate/src/round.js
+  function round_default(a, b) {
+    return a = +a, b = +b, function(t) {
+      return Math.round(a * (1 - t) + b * t);
+    };
+  }
+
+  // node_modules/d3-interpolate/src/transform/decompose.js
+  var degrees2 = 180 / Math.PI;
+  var identity = {
+    translateX: 0,
+    translateY: 0,
+    rotate: 0,
+    skewX: 0,
+    scaleX: 1,
+    scaleY: 1
+  };
+  function decompose_default(a, b, c, d, e, f2) {
+    var scaleX, scaleY, skewX;
+    if (scaleX = Math.sqrt(a * a + b * b))
+      a /= scaleX, b /= scaleX;
+    if (skewX = a * c + b * d)
+      c -= a * skewX, d -= b * skewX;
+    if (scaleY = Math.sqrt(c * c + d * d))
+      c /= scaleY, d /= scaleY, skewX /= scaleY;
+    if (a * d < b * c)
+      a = -a, b = -b, skewX = -skewX, scaleX = -scaleX;
+    return {
+      translateX: e,
+      translateY: f2,
+      rotate: Math.atan2(b, a) * degrees2,
+      skewX: Math.atan(skewX) * degrees2,
+      scaleX,
+      scaleY
+    };
+  }
+
+  // node_modules/d3-interpolate/src/transform/parse.js
+  var svgNode;
+  function parseCss(value) {
+    const m = new (typeof DOMMatrix === "function" ? DOMMatrix : WebKitCSSMatrix)(value + "");
+    return m.isIdentity ? identity : decompose_default(m.a, m.b, m.c, m.d, m.e, m.f);
+  }
+  function parseSvg(value) {
+    if (value == null)
+      return identity;
+    if (!svgNode)
+      svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g");
+    svgNode.setAttribute("transform", value);
+    if (!(value = svgNode.transform.baseVal.consolidate()))
+      return identity;
+    value = value.matrix;
+    return decompose_default(value.a, value.b, value.c, value.d, value.e, value.f);
+  }
+
+  // node_modules/d3-interpolate/src/transform/index.js
+  function interpolateTransform(parse, pxComma, pxParen, degParen) {
+    function pop(s) {
+      return s.length ? s.pop() + " " : "";
+    }
+    function translate(xa, ya, xb, yb, s, q) {
+      if (xa !== xb || ya !== yb) {
+        var i2 = s.push("translate(", null, pxComma, null, pxParen);
+        q.push({ i: i2 - 4, x: number_default(xa, xb) }, { i: i2 - 2, x: number_default(ya, yb) });
+      } else if (xb || yb) {
+        s.push("translate(" + xb + pxComma + yb + pxParen);
+      }
+    }
+    function rotate(a, b, s, q) {
+      if (a !== b) {
+        if (a - b > 180)
+          b += 360;
+        else if (b - a > 180)
+          a += 360;
+        q.push({ i: s.push(pop(s) + "rotate(", null, degParen) - 2, x: number_default(a, b) });
+      } else if (b) {
+        s.push(pop(s) + "rotate(" + b + degParen);
+      }
+    }
+    function skewX(a, b, s, q) {
+      if (a !== b) {
+        q.push({ i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: number_default(a, b) });
+      } else if (b) {
+        s.push(pop(s) + "skewX(" + b + degParen);
+      }
+    }
+    function scale(xa, ya, xb, yb, s, q) {
+      if (xa !== xb || ya !== yb) {
+        var i2 = s.push(pop(s) + "scale(", null, ",", null, ")");
+        q.push({ i: i2 - 4, x: number_default(xa, xb) }, { i: i2 - 2, x: number_default(ya, yb) });
+      } else if (xb !== 1 || yb !== 1) {
+        s.push(pop(s) + "scale(" + xb + "," + yb + ")");
+      }
+    }
+    return function(a, b) {
+      var s = [], q = [];
+      a = parse(a), b = parse(b);
+      translate(a.translateX, a.translateY, b.translateX, b.translateY, s, q);
+      rotate(a.rotate, b.rotate, s, q);
+      skewX(a.skewX, b.skewX, s, q);
+      scale(a.scaleX, a.scaleY, b.scaleX, b.scaleY, s, q);
+      a = b = null;
+      return function(t) {
+        var i2 = -1, n2 = q.length, o;
+        while (++i2 < n2)
+          s[(o = q[i2]).i] = o.x(t);
+        return s.join("");
+      };
+    };
+  }
+  var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)");
+  var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")");
+
+  // node_modules/d3-interpolate/src/zoom.js
+  var epsilon22 = 1e-12;
+  function cosh(x) {
+    return ((x = Math.exp(x)) + 1 / x) / 2;
+  }
+  function sinh(x) {
+    return ((x = Math.exp(x)) - 1 / x) / 2;
+  }
+  function tanh(x) {
+    return ((x = Math.exp(2 * x)) - 1) / (x + 1);
+  }
+  var zoom_default = function zoomRho(rho, rho2, rho4) {
+    function zoom(p02, p1) {
+      var ux0 = p02[0], uy0 = p02[1], w0 = p02[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i2, S;
+      if (d2 < epsilon22) {
+        S = Math.log(w1 / w0) / rho;
+        i2 = function(t) {
+          return [
+            ux0 + t * dx,
+            uy0 + t * dy,
+            w0 * Math.exp(rho * t * S)
+          ];
+        };
+      } else {
+        var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + rho4 * d2) / (2 * w0 * rho2 * d1), b1 = (w1 * w1 - w0 * w0 - rho4 * d2) / (2 * w1 * rho2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1);
+        S = (r1 - r0) / rho;
+        i2 = function(t) {
+          var s = t * S, coshr0 = cosh(r0), u = w0 / (rho2 * d1) * (coshr0 * tanh(rho * s + r0) - sinh(r0));
+          return [
+            ux0 + u * dx,
+            uy0 + u * dy,
+            w0 * coshr0 / cosh(rho * s + r0)
+          ];
+        };
+      }
+      i2.duration = S * 1e3 * rho / Math.SQRT2;
+      return i2;
+    }
+    zoom.rho = function(_) {
+      var _1 = Math.max(1e-3, +_), _2 = _1 * _1, _4 = _2 * _2;
+      return zoomRho(_1, _2, _4);
+    };
+    return zoom;
+  }(Math.SQRT2, 2, 4);
+
+  // node_modules/d3-interpolate/src/quantize.js
+  function quantize_default(interpolator, n2) {
+    var samples = new Array(n2);
+    for (var i2 = 0; i2 < n2; ++i2)
+      samples[i2] = interpolator(i2 / (n2 - 1));
+    return samples;
+  }
+
+  // node_modules/d3-timer/src/timer.js
+  var frame = 0;
+  var timeout = 0;
+  var interval = 0;
+  var pokeDelay = 1e3;
+  var taskHead;
+  var taskTail;
+  var clockLast = 0;
+  var clockNow = 0;
+  var clockSkew = 0;
+  var clock = typeof performance === "object" && performance.now ? performance : Date;
+  var setFrame = typeof window === "object" && window.requestAnimationFrame ? window.requestAnimationFrame.bind(window) : function(f2) {
+    setTimeout(f2, 17);
+  };
+  function now() {
+    return clockNow || (setFrame(clearNow), clockNow = clock.now() + clockSkew);
+  }
+  function clearNow() {
+    clockNow = 0;
+  }
+  function Timer() {
+    this._call = this._time = this._next = null;
+  }
+  Timer.prototype = timer.prototype = {
+    constructor: Timer,
+    restart: function(callback, delay, time) {
+      if (typeof callback !== "function")
+        throw new TypeError("callback is not a function");
+      time = (time == null ? now() : +time) + (delay == null ? 0 : +delay);
+      if (!this._next && taskTail !== this) {
+        if (taskTail)
+          taskTail._next = this;
+        else
+          taskHead = this;
+        taskTail = this;
+      }
+      this._call = callback;
+      this._time = time;
+      sleep();
+    },
+    stop: function() {
+      if (this._call) {
+        this._call = null;
+        this._time = Infinity;
+        sleep();
+      }
+    }
+  };
+  function timer(callback, delay, time) {
+    var t = new Timer();
+    t.restart(callback, delay, time);
+    return t;
+  }
+  function timerFlush() {
+    now();
+    ++frame;
+    var t = taskHead, e;
+    while (t) {
+      if ((e = clockNow - t._time) >= 0)
+        t._call.call(void 0, e);
+      t = t._next;
+    }
+    --frame;
+  }
+  function wake() {
+    clockNow = (clockLast = clock.now()) + clockSkew;
+    frame = timeout = 0;
+    try {
+      timerFlush();
+    } finally {
+      frame = 0;
+      nap();
+      clockNow = 0;
+    }
+  }
+  function poke() {
+    var now3 = clock.now(), delay = now3 - clockLast;
+    if (delay > pokeDelay)
+      clockSkew -= delay, clockLast = now3;
+  }
+  function nap() {
+    var t0, t1 = taskHead, t2, time = Infinity;
+    while (t1) {
+      if (t1._call) {
+        if (time > t1._time)
+          time = t1._time;
+        t0 = t1, t1 = t1._next;
+      } else {
+        t2 = t1._next, t1._next = null;
+        t1 = t0 ? t0._next = t2 : taskHead = t2;
+      }
+    }
+    taskTail = t0;
+    sleep(time);
+  }
+  function sleep(time) {
+    if (frame)
+      return;
+    if (timeout)
+      timeout = clearTimeout(timeout);
+    var delay = time - clockNow;
+    if (delay > 24) {
+      if (time < Infinity)
+        timeout = setTimeout(wake, time - clock.now() - clockSkew);
+      if (interval)
+        interval = clearInterval(interval);
+    } else {
+      if (!interval)
+        clockLast = clock.now(), interval = setInterval(poke, pokeDelay);
+      frame = 1, setFrame(wake);
+    }
+  }
+
+  // node_modules/d3-timer/src/timeout.js
+  function timeout_default(callback, delay, time) {
+    var t = new Timer();
+    delay = delay == null ? 0 : +delay;
+    t.restart((elapsed) => {
+      t.stop();
+      callback(elapsed + delay);
+    }, delay, time);
+    return t;
+  }
+
+  // node_modules/d3-transition/src/transition/schedule.js
+  var emptyOn = dispatch_default("start", "end", "cancel", "interrupt");
+  var emptyTween = [];
+  var CREATED = 0;
+  var SCHEDULED = 1;
+  var STARTING = 2;
+  var STARTED = 3;
+  var RUNNING = 4;
+  var ENDING = 5;
+  var ENDED = 6;
+  function schedule_default(node, name, id2, index, group, timing) {
+    var schedules = node.__transition;
+    if (!schedules)
+      node.__transition = {};
+    else if (id2 in schedules)
+      return;
+    create(node, id2, {
+      name,
+      index,
+      // For context during callback.
+      group,
+      // For context during callback.
+      on: emptyOn,
+      tween: emptyTween,
+      time: timing.time,
+      delay: timing.delay,
+      duration: timing.duration,
+      ease: timing.ease,
+      timer: null,
+      state: CREATED
+    });
+  }
+  function init(node, id2) {
+    var schedule = get2(node, id2);
+    if (schedule.state > CREATED)
+      throw new Error("too late; already scheduled");
+    return schedule;
+  }
+  function set2(node, id2) {
+    var schedule = get2(node, id2);
+    if (schedule.state > STARTED)
+      throw new Error("too late; already running");
+    return schedule;
+  }
+  function get2(node, id2) {
+    var schedule = node.__transition;
+    if (!schedule || !(schedule = schedule[id2]))
+      throw new Error("transition not found");
+    return schedule;
+  }
+  function create(node, id2, self2) {
+    var schedules = node.__transition, tween;
+    schedules[id2] = self2;
+    self2.timer = timer(schedule, 0, self2.time);
+    function schedule(elapsed) {
+      self2.state = SCHEDULED;
+      self2.timer.restart(start2, self2.delay, self2.time);
+      if (self2.delay <= elapsed)
+        start2(elapsed - self2.delay);
+    }
+    function start2(elapsed) {
+      var i2, j2, n2, o;
+      if (self2.state !== SCHEDULED)
+        return stop();
+      for (i2 in schedules) {
+        o = schedules[i2];
+        if (o.name !== self2.name)
+          continue;
+        if (o.state === STARTED)
+          return timeout_default(start2);
+        if (o.state === RUNNING) {
+          o.state = ENDED;
+          o.timer.stop();
+          o.on.call("interrupt", node, node.__data__, o.index, o.group);
+          delete schedules[i2];
+        } else if (+i2 < id2) {
+          o.state = ENDED;
+          o.timer.stop();
+          o.on.call("cancel", node, node.__data__, o.index, o.group);
+          delete schedules[i2];
+        }
+      }
+      timeout_default(function() {
+        if (self2.state === STARTED) {
+          self2.state = RUNNING;
+          self2.timer.restart(tick, self2.delay, self2.time);
+          tick(elapsed);
+        }
+      });
+      self2.state = STARTING;
+      self2.on.call("start", node, node.__data__, self2.index, self2.group);
+      if (self2.state !== STARTING)
+        return;
+      self2.state = STARTED;
+      tween = new Array(n2 = self2.tween.length);
+      for (i2 = 0, j2 = -1; i2 < n2; ++i2) {
+        if (o = self2.tween[i2].value.call(node, node.__data__, self2.index, self2.group)) {
+          tween[++j2] = o;
+        }
+      }
+      tween.length = j2 + 1;
+    }
+    function tick(elapsed) {
+      var t = elapsed < self2.duration ? self2.ease.call(null, elapsed / self2.duration) : (self2.timer.restart(stop), self2.state = ENDING, 1), i2 = -1, n2 = tween.length;
+      while (++i2 < n2) {
+        tween[i2].call(node, t);
+      }
+      if (self2.state === ENDING) {
+        self2.on.call("end", node, node.__data__, self2.index, self2.group);
+        stop();
+      }
+    }
+    function stop() {
+      self2.state = ENDED;
+      self2.timer.stop();
+      delete schedules[id2];
+      for (var i2 in schedules)
+        return;
+      delete node.__transition;
+    }
+  }
+
+  // node_modules/d3-transition/src/interrupt.js
+  function interrupt_default(node, name) {
+    var schedules = node.__transition, schedule, active, empty2 = true, i2;
+    if (!schedules)
+      return;
+    name = name == null ? null : name + "";
+    for (i2 in schedules) {
+      if ((schedule = schedules[i2]).name !== name) {
+        empty2 = false;
+        continue;
+      }
+      active = schedule.state > STARTING && schedule.state < ENDING;
+      schedule.state = ENDED;
+      schedule.timer.stop();
+      schedule.on.call(active ? "interrupt" : "cancel", node, node.__data__, schedule.index, schedule.group);
+      delete schedules[i2];
+    }
+    if (empty2)
+      delete node.__transition;
+  }
+
+  // node_modules/d3-transition/src/selection/interrupt.js
+  function interrupt_default2(name) {
+    return this.each(function() {
+      interrupt_default(this, name);
+    });
+  }
+
+  // node_modules/d3-transition/src/transition/tween.js
+  function tweenRemove(id2, name) {
+    var tween0, tween1;
+    return function() {
+      var schedule = set2(this, id2), tween = schedule.tween;
+      if (tween !== tween0) {
+        tween1 = tween0 = tween;
+        for (var i2 = 0, n2 = tween1.length; i2 < n2; ++i2) {
+          if (tween1[i2].name === name) {
+            tween1 = tween1.slice();
+            tween1.splice(i2, 1);
+            break;
+          }
+        }
+      }
+      schedule.tween = tween1;
+    };
+  }
+  function tweenFunction(id2, name, value) {
+    var tween0, tween1;
+    if (typeof value !== "function")
+      throw new Error();
+    return function() {
+      var schedule = set2(this, id2), tween = schedule.tween;
+      if (tween !== tween0) {
+        tween1 = (tween0 = tween).slice();
+        for (var t = { name, value }, i2 = 0, n2 = tween1.length; i2 < n2; ++i2) {
+          if (tween1[i2].name === name) {
+            tween1[i2] = t;
+            break;
+          }
+        }
+        if (i2 === n2)
+          tween1.push(t);
+      }
+      schedule.tween = tween1;
+    };
+  }
+  function tween_default(name, value) {
+    var id2 = this._id;
+    name += "";
+    if (arguments.length < 2) {
+      var tween = get2(this.node(), id2).tween;
+      for (var i2 = 0, n2 = tween.length, t; i2 < n2; ++i2) {
+        if ((t = tween[i2]).name === name) {
+          return t.value;
+        }
+      }
+      return null;
+    }
+    return this.each((value == null ? tweenRemove : tweenFunction)(id2, name, value));
+  }
+  function tweenValue(transition2, name, value) {
+    var id2 = transition2._id;
+    transition2.each(function() {
+      var schedule = set2(this, id2);
+      (schedule.value || (schedule.value = {}))[name] = value.apply(this, arguments);
+    });
+    return function(node) {
+      return get2(node, id2).value[name];
+    };
+  }
+
+  // node_modules/d3-transition/src/transition/interpolate.js
+  function interpolate_default(a, b) {
+    var c;
+    return (typeof b === "number" ? number_default : b instanceof color ? rgb_default : (c = color(b)) ? (b = c, rgb_default) : string_default)(a, b);
+  }
+
+  // node_modules/d3-transition/src/transition/attr.js
+  function attrRemove2(name) {
+    return function() {
+      this.removeAttribute(name);
+    };
+  }
+  function attrRemoveNS2(fullname) {
+    return function() {
+      this.removeAttributeNS(fullname.space, fullname.local);
+    };
+  }
+  function attrConstant2(name, interpolate, value1) {
+    var string00, string1 = value1 + "", interpolate0;
+    return function() {
+      var string0 = this.getAttribute(name);
+      return string0 === string1 ? null : string0 === string00 ? interpolate0 : interpolate0 = interpolate(string00 = string0, value1);
+    };
+  }
+  function attrConstantNS2(fullname, interpolate, value1) {
+    var string00, string1 = value1 + "", interpolate0;
+    return function() {
+      var string0 = this.getAttributeNS(fullname.space, fullname.local);
+      return string0 === string1 ? null : string0 === string00 ? interpolate0 : interpolate0 = interpolate(string00 = string0, value1);
+    };
+  }
+  function attrFunction2(name, interpolate, value) {
+    var string00, string10, interpolate0;
+    return function() {
+      var string0, value1 = value(this), string1;
+      if (value1 == null)
+        return void this.removeAttribute(name);
+      string0 = this.getAttribute(name);
+      string1 = value1 + "";
+      return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));
+    };
+  }
+  function attrFunctionNS2(fullname, interpolate, value) {
+    var string00, string10, interpolate0;
+    return function() {
+      var string0, value1 = value(this), string1;
+      if (value1 == null)
+        return void this.removeAttributeNS(fullname.space, fullname.local);
+      string0 = this.getAttributeNS(fullname.space, fullname.local);
+      string1 = value1 + "";
+      return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));
+    };
+  }
+  function attr_default2(name, value) {
+    var fullname = namespace_default(name), i2 = fullname === "transform" ? interpolateTransformSvg : interpolate_default;
+    return this.attrTween(name, typeof value === "function" ? (fullname.local ? attrFunctionNS2 : attrFunction2)(fullname, i2, tweenValue(this, "attr." + name, value)) : value == null ? (fullname.local ? attrRemoveNS2 : attrRemove2)(fullname) : (fullname.local ? attrConstantNS2 : attrConstant2)(fullname, i2, value));
+  }
+
+  // node_modules/d3-transition/src/transition/attrTween.js
+  function attrInterpolate(name, i2) {
+    return function(t) {
+      this.setAttribute(name, i2.call(this, t));
+    };
+  }
+  function attrInterpolateNS(fullname, i2) {
+    return function(t) {
+      this.setAttributeNS(fullname.space, fullname.local, i2.call(this, t));
+    };
+  }
+  function attrTweenNS(fullname, value) {
+    var t0, i0;
+    function tween() {
+      var i2 = value.apply(this, arguments);
+      if (i2 !== i0)
+        t0 = (i0 = i2) && attrInterpolateNS(fullname, i2);
+      return t0;
+    }
+    tween._value = value;
+    return tween;
+  }
+  function attrTween(name, value) {
+    var t0, i0;
+    function tween() {
+      var i2 = value.apply(this, arguments);
+      if (i2 !== i0)
+        t0 = (i0 = i2) && attrInterpolate(name, i2);
+      return t0;
+    }
+    tween._value = value;
+    return tween;
+  }
+  function attrTween_default(name, value) {
+    var key = "attr." + name;
+    if (arguments.length < 2)
+      return (key = this.tween(key)) && key._value;
+    if (value == null)
+      return this.tween(key, null);
+    if (typeof value !== "function")
+      throw new Error();
+    var fullname = namespace_default(name);
+    return this.tween(key, (fullname.local ? attrTweenNS : attrTween)(fullname, value));
+  }
+
+  // node_modules/d3-transition/src/transition/delay.js
+  function delayFunction(id2, value) {
+    return function() {
+      init(this, id2).delay = +value.apply(this, arguments);
+    };
+  }
+  function delayConstant(id2, value) {
+    return value = +value, function() {
+      init(this, id2).delay = value;
+    };
+  }
+  function delay_default(value) {
+    var id2 = this._id;
+    return arguments.length ? this.each((typeof value === "function" ? delayFunction : delayConstant)(id2, value)) : get2(this.node(), id2).delay;
+  }
+
+  // node_modules/d3-transition/src/transition/duration.js
+  function durationFunction(id2, value) {
+    return function() {
+      set2(this, id2).duration = +value.apply(this, arguments);
+    };
+  }
+  function durationConstant(id2, value) {
+    return value = +value, function() {
+      set2(this, id2).duration = value;
+    };
+  }
+  function duration_default(value) {
+    var id2 = this._id;
+    return arguments.length ? this.each((typeof value === "function" ? durationFunction : durationConstant)(id2, value)) : get2(this.node(), id2).duration;
+  }
+
+  // node_modules/d3-transition/src/transition/ease.js
+  function easeConstant(id2, value) {
+    if (typeof value !== "function")
+      throw new Error();
+    return function() {
+      set2(this, id2).ease = value;
+    };
+  }
+  function ease_default(value) {
+    var id2 = this._id;
+    return arguments.length ? this.each(easeConstant(id2, value)) : get2(this.node(), id2).ease;
+  }
+
+  // node_modules/d3-transition/src/transition/easeVarying.js
+  function easeVarying(id2, value) {
+    return function() {
+      var v = value.apply(this, arguments);
+      if (typeof v !== "function")
+        throw new Error();
+      set2(this, id2).ease = v;
+    };
+  }
+  function easeVarying_default(value) {
+    if (typeof value !== "function")
+      throw new Error();
+    return this.each(easeVarying(this._id, value));
+  }
+
+  // node_modules/d3-transition/src/transition/filter.js
+  function filter_default2(match) {
+    if (typeof match !== "function")
+      match = matcher_default(match);
+    for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, subgroup = subgroups[j2] = [], node, i2 = 0; i2 < n2; ++i2) {
+        if ((node = group[i2]) && match.call(node, node.__data__, i2, group)) {
+          subgroup.push(node);
+        }
+      }
+    }
+    return new Transition(subgroups, this._parents, this._name, this._id);
+  }
+
+  // node_modules/d3-transition/src/transition/merge.js
+  function merge_default2(transition2) {
+    if (transition2._id !== this._id)
+      throw new Error();
+    for (var groups0 = this._groups, groups1 = transition2._groups, m0 = groups0.length, m1 = groups1.length, m = Math.min(m0, m1), merges = new Array(m0), j2 = 0; j2 < m; ++j2) {
+      for (var group0 = groups0[j2], group1 = groups1[j2], n2 = group0.length, merge2 = merges[j2] = new Array(n2), node, i2 = 0; i2 < n2; ++i2) {
+        if (node = group0[i2] || group1[i2]) {
+          merge2[i2] = node;
+        }
+      }
+    }
+    for (; j2 < m0; ++j2) {
+      merges[j2] = groups0[j2];
+    }
+    return new Transition(merges, this._parents, this._name, this._id);
+  }
+
+  // node_modules/d3-transition/src/transition/on.js
+  function start(name) {
+    return (name + "").trim().split(/^|\s+/).every(function(t) {
+      var i2 = t.indexOf(".");
+      if (i2 >= 0)
+        t = t.slice(0, i2);
+      return !t || t === "start";
+    });
+  }
+  function onFunction(id2, name, listener) {
+    var on0, on1, sit = start(name) ? init : set2;
+    return function() {
+      var schedule = sit(this, id2), on = schedule.on;
+      if (on !== on0)
+        (on1 = (on0 = on).copy()).on(name, listener);
+      schedule.on = on1;
+    };
+  }
+  function on_default2(name, listener) {
+    var id2 = this._id;
+    return arguments.length < 2 ? get2(this.node(), id2).on.on(name) : this.each(onFunction(id2, name, listener));
+  }
+
+  // node_modules/d3-transition/src/transition/remove.js
+  function removeFunction(id2) {
+    return function() {
+      var parent = this.parentNode;
+      for (var i2 in this.__transition)
+        if (+i2 !== id2)
+          return;
+      if (parent)
+        parent.removeChild(this);
+    };
+  }
+  function remove_default2() {
+    return this.on("end.remove", removeFunction(this._id));
+  }
+
+  // node_modules/d3-transition/src/transition/select.js
+  function select_default3(select) {
+    var name = this._name, id2 = this._id;
+    if (typeof select !== "function")
+      select = selector_default(select);
+    for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, subgroup = subgroups[j2] = new Array(n2), node, subnode, i2 = 0; i2 < n2; ++i2) {
+        if ((node = group[i2]) && (subnode = select.call(node, node.__data__, i2, group))) {
+          if ("__data__" in node)
+            subnode.__data__ = node.__data__;
+          subgroup[i2] = subnode;
+          schedule_default(subgroup[i2], name, id2, i2, subgroup, get2(node, id2));
+        }
+      }
+    }
+    return new Transition(subgroups, this._parents, name, id2);
+  }
+
+  // node_modules/d3-transition/src/transition/selectAll.js
+  function selectAll_default3(select) {
+    var name = this._name, id2 = this._id;
+    if (typeof select !== "function")
+      select = selectorAll_default(select);
+    for (var groups = this._groups, m = groups.length, subgroups = [], parents = [], j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, node, i2 = 0; i2 < n2; ++i2) {
+        if (node = group[i2]) {
+          for (var children2 = select.call(node, node.__data__, i2, group), child, inherit2 = get2(node, id2), k = 0, l = children2.length; k < l; ++k) {
+            if (child = children2[k]) {
+              schedule_default(child, name, id2, k, children2, inherit2);
+            }
+          }
+          subgroups.push(children2);
+          parents.push(node);
+        }
+      }
+    }
+    return new Transition(subgroups, parents, name, id2);
+  }
+
+  // node_modules/d3-transition/src/transition/selection.js
+  var Selection2 = selection_default.prototype.constructor;
+  function selection_default2() {
+    return new Selection2(this._groups, this._parents);
+  }
+
+  // node_modules/d3-transition/src/transition/style.js
+  function styleNull(name, interpolate) {
+    var string00, string10, interpolate0;
+    return function() {
+      var string0 = styleValue(this, name), string1 = (this.style.removeProperty(name), styleValue(this, name));
+      return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 : interpolate0 = interpolate(string00 = string0, string10 = string1);
+    };
+  }
+  function styleRemove2(name) {
+    return function() {
+      this.style.removeProperty(name);
+    };
+  }
+  function styleConstant2(name, interpolate, value1) {
+    var string00, string1 = value1 + "", interpolate0;
+    return function() {
+      var string0 = styleValue(this, name);
+      return string0 === string1 ? null : string0 === string00 ? interpolate0 : interpolate0 = interpolate(string00 = string0, value1);
+    };
+  }
+  function styleFunction2(name, interpolate, value) {
+    var string00, string10, interpolate0;
+    return function() {
+      var string0 = styleValue(this, name), value1 = value(this), string1 = value1 + "";
+      if (value1 == null)
+        string1 = value1 = (this.style.removeProperty(name), styleValue(this, name));
+      return string0 === string1 ? null : string0 === string00 && string1 === string10 ? interpolate0 : (string10 = string1, interpolate0 = interpolate(string00 = string0, value1));
+    };
+  }
+  function styleMaybeRemove(id2, name) {
+    var on0, on1, listener0, key = "style." + name, event = "end." + key, remove2;
+    return function() {
+      var schedule = set2(this, id2), on = schedule.on, listener = schedule.value[key] == null ? remove2 || (remove2 = styleRemove2(name)) : void 0;
+      if (on !== on0 || listener0 !== listener)
+        (on1 = (on0 = on).copy()).on(event, listener0 = listener);
+      schedule.on = on1;
+    };
+  }
+  function style_default2(name, value, priority) {
+    var i2 = (name += "") === "transform" ? interpolateTransformCss : interpolate_default;
+    return value == null ? this.styleTween(name, styleNull(name, i2)).on("end.style." + name, styleRemove2(name)) : typeof value === "function" ? this.styleTween(name, styleFunction2(name, i2, tweenValue(this, "style." + name, value))).each(styleMaybeRemove(this._id, name)) : this.styleTween(name, styleConstant2(name, i2, value), priority).on("end.style." + name, null);
+  }
+
+  // node_modules/d3-transition/src/transition/styleTween.js
+  function styleInterpolate(name, i2, priority) {
+    return function(t) {
+      this.style.setProperty(name, i2.call(this, t), priority);
+    };
+  }
+  function styleTween(name, value, priority) {
+    var t, i0;
+    function tween() {
+      var i2 = value.apply(this, arguments);
+      if (i2 !== i0)
+        t = (i0 = i2) && styleInterpolate(name, i2, priority);
+      return t;
+    }
+    tween._value = value;
+    return tween;
+  }
+  function styleTween_default(name, value, priority) {
+    var key = "style." + (name += "");
+    if (arguments.length < 2)
+      return (key = this.tween(key)) && key._value;
+    if (value == null)
+      return this.tween(key, null);
+    if (typeof value !== "function")
+      throw new Error();
+    return this.tween(key, styleTween(name, value, priority == null ? "" : priority));
+  }
+
+  // node_modules/d3-transition/src/transition/text.js
+  function textConstant2(value) {
+    return function() {
+      this.textContent = value;
+    };
+  }
+  function textFunction2(value) {
+    return function() {
+      var value1 = value(this);
+      this.textContent = value1 == null ? "" : value1;
+    };
+  }
+  function text_default2(value) {
+    return this.tween("text", typeof value === "function" ? textFunction2(tweenValue(this, "text", value)) : textConstant2(value == null ? "" : value + ""));
+  }
+
+  // node_modules/d3-transition/src/transition/textTween.js
+  function textInterpolate(i2) {
+    return function(t) {
+      this.textContent = i2.call(this, t);
+    };
+  }
+  function textTween(value) {
+    var t0, i0;
+    function tween() {
+      var i2 = value.apply(this, arguments);
+      if (i2 !== i0)
+        t0 = (i0 = i2) && textInterpolate(i2);
+      return t0;
+    }
+    tween._value = value;
+    return tween;
+  }
+  function textTween_default(value) {
+    var key = "text";
+    if (arguments.length < 1)
+      return (key = this.tween(key)) && key._value;
+    if (value == null)
+      return this.tween(key, null);
+    if (typeof value !== "function")
+      throw new Error();
+    return this.tween(key, textTween(value));
+  }
+
+  // node_modules/d3-transition/src/transition/transition.js
+  function transition_default() {
+    var name = this._name, id0 = this._id, id1 = newId();
+    for (var groups = this._groups, m = groups.length, j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, node, i2 = 0; i2 < n2; ++i2) {
+        if (node = group[i2]) {
+          var inherit2 = get2(node, id0);
+          schedule_default(node, name, id1, i2, group, {
+            time: inherit2.time + inherit2.delay + inherit2.duration,
+            delay: 0,
+            duration: inherit2.duration,
+            ease: inherit2.ease
+          });
+        }
+      }
+    }
+    return new Transition(groups, this._parents, name, id1);
+  }
+
+  // node_modules/d3-transition/src/transition/end.js
+  function end_default() {
+    var on0, on1, that = this, id2 = that._id, size = that.size();
+    return new Promise(function(resolve, reject) {
+      var cancel = { value: reject }, end = { value: function() {
+        if (--size === 0)
+          resolve();
+      } };
+      that.each(function() {
+        var schedule = set2(this, id2), on = schedule.on;
+        if (on !== on0) {
+          on1 = (on0 = on).copy();
+          on1._.cancel.push(cancel);
+          on1._.interrupt.push(cancel);
+          on1._.end.push(end);
+        }
+        schedule.on = on1;
+      });
+      if (size === 0)
+        resolve();
+    });
+  }
+
+  // node_modules/d3-transition/src/transition/index.js
+  var id = 0;
+  function Transition(groups, parents, name, id2) {
+    this._groups = groups;
+    this._parents = parents;
+    this._name = name;
+    this._id = id2;
+  }
+  function transition(name) {
+    return selection_default().transition(name);
+  }
+  function newId() {
+    return ++id;
+  }
+  var selection_prototype = selection_default.prototype;
+  Transition.prototype = transition.prototype = {
+    constructor: Transition,
+    select: select_default3,
+    selectAll: selectAll_default3,
+    selectChild: selection_prototype.selectChild,
+    selectChildren: selection_prototype.selectChildren,
+    filter: filter_default2,
+    merge: merge_default2,
+    selection: selection_default2,
+    transition: transition_default,
+    call: selection_prototype.call,
+    nodes: selection_prototype.nodes,
+    node: selection_prototype.node,
+    size: selection_prototype.size,
+    empty: selection_prototype.empty,
+    each: selection_prototype.each,
+    on: on_default2,
+    attr: attr_default2,
+    attrTween: attrTween_default,
+    style: style_default2,
+    styleTween: styleTween_default,
+    text: text_default2,
+    textTween: textTween_default,
+    remove: remove_default2,
+    tween: tween_default,
+    delay: delay_default,
+    duration: duration_default,
+    ease: ease_default,
+    easeVarying: easeVarying_default,
+    end: end_default,
+    [Symbol.iterator]: selection_prototype[Symbol.iterator]
+  };
+
+  // node_modules/d3-ease/src/linear.js
+  var linear2 = (t) => +t;
+
+  // node_modules/d3-ease/src/cubic.js
+  function cubicInOut(t) {
+    return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2;
+  }
+
+  // node_modules/d3-transition/src/selection/transition.js
+  var defaultTiming = {
+    time: null,
+    // Set on use.
+    delay: 0,
+    duration: 250,
+    ease: cubicInOut
+  };
+  function inherit(node, id2) {
+    var timing;
+    while (!(timing = node.__transition) || !(timing = timing[id2])) {
+      if (!(node = node.parentNode)) {
+        throw new Error(`transition ${id2} not found`);
+      }
+    }
+    return timing;
+  }
+  function transition_default2(name) {
+    var id2, timing;
+    if (name instanceof Transition) {
+      id2 = name._id, name = name._name;
+    } else {
+      id2 = newId(), (timing = defaultTiming).time = now(), name = name == null ? null : name + "";
+    }
+    for (var groups = this._groups, m = groups.length, j2 = 0; j2 < m; ++j2) {
+      for (var group = groups[j2], n2 = group.length, node, i2 = 0; i2 < n2; ++i2) {
+        if (node = group[i2]) {
+          schedule_default(node, name, id2, i2, group, timing || inherit(node, id2));
+        }
+      }
+    }
+    return new Transition(groups, this._parents, name, id2);
+  }
+
+  // node_modules/d3-transition/src/selection/index.js
+  selection_default.prototype.interrupt = interrupt_default2;
+  selection_default.prototype.transition = transition_default2;
+
+  // node_modules/d3-zoom/src/constant.js
+  var constant_default4 = (x) => () => x;
+
+  // node_modules/d3-zoom/src/event.js
+  function ZoomEvent(type2, {
+    sourceEvent,
+    target,
+    transform: transform2,
+    dispatch: dispatch10
+  }) {
+    Object.defineProperties(this, {
+      type: { value: type2, enumerable: true, configurable: true },
+      sourceEvent: { value: sourceEvent, enumerable: true, configurable: true },
+      target: { value: target, enumerable: true, configurable: true },
+      transform: { value: transform2, enumerable: true, configurable: true },
+      _: { value: dispatch10 }
+    });
+  }
+
+  // node_modules/d3-zoom/src/transform.js
+  function Transform(k, x, y) {
+    this.k = k;
+    this.x = x;
+    this.y = y;
+  }
+  Transform.prototype = {
+    constructor: Transform,
+    scale: function(k) {
+      return k === 1 ? this : new Transform(this.k * k, this.x, this.y);
+    },
+    translate: function(x, y) {
+      return x === 0 & y === 0 ? this : new Transform(this.k, this.x + this.k * x, this.y + this.k * y);
+    },
+    apply: function(point2) {
+      return [point2[0] * this.k + this.x, point2[1] * this.k + this.y];
+    },
+    applyX: function(x) {
+      return x * this.k + this.x;
+    },
+    applyY: function(y) {
+      return y * this.k + this.y;
+    },
+    invert: function(location) {
+      return [(location[0] - this.x) / this.k, (location[1] - this.y) / this.k];
+    },
+    invertX: function(x) {
+      return (x - this.x) / this.k;
+    },
+    invertY: function(y) {
+      return (y - this.y) / this.k;
+    },
+    rescaleX: function(x) {
+      return x.copy().domain(x.range().map(this.invertX, this).map(x.invert, x));
+    },
+    rescaleY: function(y) {
+      return y.copy().domain(y.range().map(this.invertY, this).map(y.invert, y));
+    },
+    toString: function() {
+      return "translate(" + this.x + "," + this.y + ") scale(" + this.k + ")";
+    }
+  };
+  var identity2 = new Transform(1, 0, 0);
+  transform.prototype = Transform.prototype;
+  function transform(node) {
+    while (!node.__zoom)
+      if (!(node = node.parentNode))
+        return identity2;
+    return node.__zoom;
+  }
+
+  // node_modules/d3-zoom/src/noevent.js
+  function nopropagation2(event) {
+    event.stopImmediatePropagation();
+  }
+  function noevent_default2(event) {
+    event.preventDefault();
+    event.stopImmediatePropagation();
+  }
+
+  // node_modules/d3-zoom/src/zoom.js
+  function defaultFilter2(event) {
+    return (!event.ctrlKey || event.type === "wheel") && !event.button;
+  }
+  function defaultExtent() {
+    var e = this;
+    if (e instanceof SVGElement) {
+      e = e.ownerSVGElement || e;
+      if (e.hasAttribute("viewBox")) {
+        e = e.viewBox.baseVal;
+        return [[e.x, e.y], [e.x + e.width, e.y + e.height]];
+      }
+      return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]];
+    }
+    return [[0, 0], [e.clientWidth, e.clientHeight]];
+  }
+  function defaultTransform() {
+    return this.__zoom || identity2;
+  }
+  function defaultWheelDelta(event) {
+    return -event.deltaY * (event.deltaMode === 1 ? 0.05 : event.deltaMode ? 1 : 2e-3) * (event.ctrlKey ? 10 : 1);
+  }
+  function defaultTouchable2() {
+    return navigator.maxTouchPoints || "ontouchstart" in this;
+  }
+  function defaultConstrain(transform2, extent, translateExtent) {
+    var dx0 = transform2.invertX(extent[0][0]) - translateExtent[0][0], dx1 = transform2.invertX(extent[1][0]) - translateExtent[1][0], dy0 = transform2.invertY(extent[0][1]) - translateExtent[0][1], dy1 = transform2.invertY(extent[1][1]) - translateExtent[1][1];
+    return transform2.translate(
+      dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1),
+      dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1)
+    );
+  }
+  function zoom_default2() {
+    var filter2 = defaultFilter2, extent = defaultExtent, constrain = defaultConstrain, wheelDelta = defaultWheelDelta, touchable = defaultTouchable2, scaleExtent = [0, Infinity], translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], duration = 250, interpolate = zoom_default, listeners = dispatch_default("start", "zoom", "end"), touchstarting, touchfirst, touchending, touchDelay = 500, wheelDelay = 150, clickDistance2 = 0, tapDistance = 10;
+    function zoom(selection2) {
+      selection2.property("__zoom", defaultTransform).on("wheel.zoom", wheeled, { passive: false }).on("mousedown.zoom", mousedowned).on("dblclick.zoom", dblclicked).filter(touchable).on("touchstart.zoom", touchstarted).on("touchmove.zoom", touchmoved).on("touchend.zoom touchcancel.zoom", touchended).style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
+    }
+    zoom.transform = function(collection, transform2, point2, event) {
+      var selection2 = collection.selection ? collection.selection() : collection;
+      selection2.property("__zoom", defaultTransform);
+      if (collection !== selection2) {
+        schedule(collection, transform2, point2, event);
+      } else {
+        selection2.interrupt().each(function() {
+          gesture(this, arguments).event(event).start().zoom(null, typeof transform2 === "function" ? transform2.apply(this, arguments) : transform2).end();
+        });
+      }
+    };
+    zoom.scaleBy = function(selection2, k, p, event) {
+      zoom.scaleTo(selection2, function() {
+        var k0 = this.__zoom.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k;
+        return k0 * k1;
+      }, p, event);
+    };
+    zoom.scaleTo = function(selection2, k, p, event) {
+      zoom.transform(selection2, function() {
+        var e = extent.apply(this, arguments), t0 = this.__zoom, p02 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p, p1 = t0.invert(p02), k1 = typeof k === "function" ? k.apply(this, arguments) : k;
+        return constrain(translate(scale(t0, k1), p02, p1), e, translateExtent);
+      }, p, event);
+    };
+    zoom.translateBy = function(selection2, x, y, event) {
+      zoom.transform(selection2, function() {
+        return constrain(this.__zoom.translate(
+          typeof x === "function" ? x.apply(this, arguments) : x,
+          typeof y === "function" ? y.apply(this, arguments) : y
+        ), extent.apply(this, arguments), translateExtent);
+      }, null, event);
+    };
+    zoom.translateTo = function(selection2, x, y, p, event) {
+      zoom.transform(selection2, function() {
+        var e = extent.apply(this, arguments), t = this.__zoom, p02 = p == null ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p;
+        return constrain(identity2.translate(p02[0], p02[1]).scale(t.k).translate(
+          typeof x === "function" ? -x.apply(this, arguments) : -x,
+          typeof y === "function" ? -y.apply(this, arguments) : -y
+        ), e, translateExtent);
+      }, p, event);
+    };
+    function scale(transform2, k) {
+      k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k));
+      return k === transform2.k ? transform2 : new Transform(k, transform2.x, transform2.y);
+    }
+    function translate(transform2, p02, p1) {
+      var x = p02[0] - p1[0] * transform2.k, y = p02[1] - p1[1] * transform2.k;
+      return x === transform2.x && y === transform2.y ? transform2 : new Transform(transform2.k, x, y);
+    }
+    function centroid(extent2) {
+      return [(+extent2[0][0] + +extent2[1][0]) / 2, (+extent2[0][1] + +extent2[1][1]) / 2];
+    }
+    function schedule(transition2, transform2, point2, event) {
+      transition2.on("start.zoom", function() {
+        gesture(this, arguments).event(event).start();
+      }).on("interrupt.zoom end.zoom", function() {
+        gesture(this, arguments).event(event).end();
+      }).tween("zoom", function() {
+        var that = this, args = arguments, g = gesture(that, args).event(event), e = extent.apply(that, args), p = point2 == null ? centroid(e) : typeof point2 === "function" ? point2.apply(that, args) : point2, w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = that.__zoom, b = typeof transform2 === "function" ? transform2.apply(that, args) : transform2, i2 = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k));
+        return function(t) {
+          if (t === 1)
+            t = b;
+          else {
+            var l = i2(t), k = w / l[2];
+            t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k);
+          }
+          g.zoom(null, t);
+        };
+      });
+    }
+    function gesture(that, args, clean2) {
+      return !clean2 && that.__zooming || new Gesture(that, args);
+    }
+    function Gesture(that, args) {
+      this.that = that;
+      this.args = args;
+      this.active = 0;
+      this.sourceEvent = null;
+      this.extent = extent.apply(that, args);
+      this.taps = 0;
+    }
+    Gesture.prototype = {
+      event: function(event) {
+        if (event)
+          this.sourceEvent = event;
+        return this;
+      },
+      start: function() {
+        if (++this.active === 1) {
+          this.that.__zooming = this;
+          this.emit("start");
+        }
+        return this;
+      },
+      zoom: function(key, transform2) {
+        if (this.mouse && key !== "mouse")
+          this.mouse[1] = transform2.invert(this.mouse[0]);
+        if (this.touch0 && key !== "touch")
+          this.touch0[1] = transform2.invert(this.touch0[0]);
+        if (this.touch1 && key !== "touch")
+          this.touch1[1] = transform2.invert(this.touch1[0]);
+        this.that.__zoom = transform2;
+        this.emit("zoom");
+        return this;
+      },
+      end: function() {
+        if (--this.active === 0) {
+          delete this.that.__zooming;
+          this.emit("end");
+        }
+        return this;
+      },
+      emit: function(type2) {
+        var d = select_default2(this.that).datum();
+        listeners.call(
+          type2,
+          this.that,
+          new ZoomEvent(type2, {
+            sourceEvent: this.sourceEvent,
+            target: zoom,
+            type: type2,
+            transform: this.that.__zoom,
+            dispatch: listeners
+          }),
+          d
+        );
+      }
+    };
+    function wheeled(event, ...args) {
+      if (!filter2.apply(this, arguments))
+        return;
+      var g = gesture(this, args).event(event), t = this.__zoom, k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), p = pointer_default(event);
+      if (g.wheel) {
+        if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) {
+          g.mouse[1] = t.invert(g.mouse[0] = p);
+        }
+        clearTimeout(g.wheel);
+      } else if (t.k === k)
+        return;
+      else {
+        g.mouse = [p, t.invert(p)];
+        interrupt_default(this);
+        g.start();
+      }
+      noevent_default2(event);
+      g.wheel = setTimeout(wheelidled, wheelDelay);
+      g.zoom("mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent));
+      function wheelidled() {
+        g.wheel = null;
+        g.end();
+      }
+    }
+    function mousedowned(event, ...args) {
+      if (touchending || !filter2.apply(this, arguments))
+        return;
+      var currentTarget = event.currentTarget, g = gesture(this, args, true).event(event), v = select_default2(event.view).on("mousemove.zoom", mousemoved, true).on("mouseup.zoom", mouseupped, true), p = pointer_default(event, currentTarget), x05 = event.clientX, y05 = event.clientY;
+      nodrag_default(event.view);
+      nopropagation2(event);
+      g.mouse = [p, this.__zoom.invert(p)];
+      interrupt_default(this);
+      g.start();
+      function mousemoved(event2) {
+        noevent_default2(event2);
+        if (!g.moved) {
+          var dx = event2.clientX - x05, dy = event2.clientY - y05;
+          g.moved = dx * dx + dy * dy > clickDistance2;
+        }
+        g.event(event2).zoom("mouse", constrain(translate(g.that.__zoom, g.mouse[0] = pointer_default(event2, currentTarget), g.mouse[1]), g.extent, translateExtent));
+      }
+      function mouseupped(event2) {
+        v.on("mousemove.zoom mouseup.zoom", null);
+        yesdrag(event2.view, g.moved);
+        noevent_default2(event2);
+        g.event(event2).end();
+      }
+    }
+    function dblclicked(event, ...args) {
+      if (!filter2.apply(this, arguments))
+        return;
+      var t0 = this.__zoom, p02 = pointer_default(event.changedTouches ? event.changedTouches[0] : event, this), p1 = t0.invert(p02), k1 = t0.k * (event.shiftKey ? 0.5 : 2), t1 = constrain(translate(scale(t0, k1), p02, p1), extent.apply(this, args), translateExtent);
+      noevent_default2(event);
+      if (duration > 0)
+        select_default2(this).transition().duration(duration).call(schedule, t1, p02, event);
+      else
+        select_default2(this).call(zoom.transform, t1, p02, event);
+    }
+    function touchstarted(event, ...args) {
+      if (!filter2.apply(this, arguments))
+        return;
+      var touches = event.touches, n2 = touches.length, g = gesture(this, args, event.changedTouches.length === n2).event(event), started, i2, t, p;
+      nopropagation2(event);
+      for (i2 = 0; i2 < n2; ++i2) {
+        t = touches[i2], p = pointer_default(t, this);
+        p = [p, this.__zoom.invert(p), t.identifier];
+        if (!g.touch0)
+          g.touch0 = p, started = true, g.taps = 1 + !!touchstarting;
+        else if (!g.touch1 && g.touch0[2] !== p[2])
+          g.touch1 = p, g.taps = 0;
+      }
+      if (touchstarting)
+        touchstarting = clearTimeout(touchstarting);
+      if (started) {
+        if (g.taps < 2)
+          touchfirst = p[0], touchstarting = setTimeout(function() {
+            touchstarting = null;
+          }, touchDelay);
+        interrupt_default(this);
+        g.start();
+      }
+    }
+    function touchmoved(event, ...args) {
+      if (!this.__zooming)
+        return;
+      var g = gesture(this, args).event(event), touches = event.changedTouches, n2 = touches.length, i2, t, p, l;
+      noevent_default2(event);
+      for (i2 = 0; i2 < n2; ++i2) {
+        t = touches[i2], p = pointer_default(t, this);
+        if (g.touch0 && g.touch0[2] === t.identifier)
+          g.touch0[0] = p;
+        else if (g.touch1 && g.touch1[2] === t.identifier)
+          g.touch1[0] = p;
+      }
+      t = g.that.__zoom;
+      if (g.touch1) {
+        var p02 = g.touch0[0], l0 = g.touch0[1], p1 = g.touch1[0], l1 = g.touch1[1], dp = (dp = p1[0] - p02[0]) * dp + (dp = p1[1] - p02[1]) * dp, dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl;
+        t = scale(t, Math.sqrt(dp / dl));
+        p = [(p02[0] + p1[0]) / 2, (p02[1] + p1[1]) / 2];
+        l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
+      } else if (g.touch0)
+        p = g.touch0[0], l = g.touch0[1];
+      else
+        return;
+      g.zoom("touch", constrain(translate(t, p, l), g.extent, translateExtent));
+    }
+    function touchended(event, ...args) {
+      if (!this.__zooming)
+        return;
+      var g = gesture(this, args).event(event), touches = event.changedTouches, n2 = touches.length, i2, t;
+      nopropagation2(event);
+      if (touchending)
+        clearTimeout(touchending);
+      touchending = setTimeout(function() {
+        touchending = null;
+      }, touchDelay);
+      for (i2 = 0; i2 < n2; ++i2) {
+        t = touches[i2];
+        if (g.touch0 && g.touch0[2] === t.identifier)
+          delete g.touch0;
+        else if (g.touch1 && g.touch1[2] === t.identifier)
+          delete g.touch1;
+      }
+      if (g.touch1 && !g.touch0)
+        g.touch0 = g.touch1, delete g.touch1;
+      if (g.touch0)
+        g.touch0[1] = this.__zoom.invert(g.touch0[0]);
+      else {
+        g.end();
+        if (g.taps === 2) {
+          t = pointer_default(t, this);
+          if (Math.hypot(touchfirst[0] - t[0], touchfirst[1] - t[1]) < tapDistance) {
+            var p = select_default2(this).on("dblclick.zoom");
+            if (p)
+              p.apply(this, arguments);
+          }
+        }
+      }
+    }
+    zoom.wheelDelta = function(_) {
+      return arguments.length ? (wheelDelta = typeof _ === "function" ? _ : constant_default4(+_), zoom) : wheelDelta;
+    };
+    zoom.filter = function(_) {
+      return arguments.length ? (filter2 = typeof _ === "function" ? _ : constant_default4(!!_), zoom) : filter2;
+    };
+    zoom.touchable = function(_) {
+      return arguments.length ? (touchable = typeof _ === "function" ? _ : constant_default4(!!_), zoom) : touchable;
+    };
+    zoom.extent = function(_) {
+      return arguments.length ? (extent = typeof _ === "function" ? _ : constant_default4([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent;
+    };
+    zoom.scaleExtent = function(_) {
+      return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]];
+    };
+    zoom.translateExtent = function(_) {
+      return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]];
+    };
+    zoom.constrain = function(_) {
+      return arguments.length ? (constrain = _, zoom) : constrain;
+    };
+    zoom.duration = function(_) {
+      return arguments.length ? (duration = +_, zoom) : duration;
+    };
+    zoom.interpolate = function(_) {
+      return arguments.length ? (interpolate = _, zoom) : interpolate;
+    };
+    zoom.on = function() {
+      var value = listeners.on.apply(listeners, arguments);
+      return value === listeners ? zoom : value;
+    };
+    zoom.clickDistance = function(_) {
+      return arguments.length ? (clickDistance2 = (_ = +_) * _, zoom) : Math.sqrt(clickDistance2);
+    };
+    zoom.tapDistance = function(_) {
+      return arguments.length ? (tapDistance = +_, zoom) : tapDistance;
+    };
+    return zoom;
+  }
+
+  // modules/geo/raw_mercator.js
+  function geoRawMercator() {
+    var project = mercatorRaw;
+    var k = 512 / Math.PI;
+    var x = 0;
+    var y = 0;
+    var clipExtent = [[0, 0], [0, 0]];
+    function projection2(point2) {
+      point2 = project(point2[0] * Math.PI / 180, point2[1] * Math.PI / 180);
+      return [point2[0] * k + x, y - point2[1] * k];
+    }
+    projection2.invert = function(point2) {
+      point2 = project.invert((point2[0] - x) / k, (y - point2[1]) / k);
+      return point2 && [point2[0] * 180 / Math.PI, point2[1] * 180 / Math.PI];
+    };
+    projection2.scale = function(_) {
+      if (!arguments.length)
+        return k;
+      k = +_;
+      return projection2;
+    };
+    projection2.translate = function(_) {
+      if (!arguments.length)
+        return [x, y];
+      x = +_[0];
+      y = +_[1];
+      return projection2;
+    };
+    projection2.clipExtent = function(_) {
+      if (!arguments.length)
+        return clipExtent;
+      clipExtent = _;
+      return projection2;
+    };
+    projection2.transform = function(obj) {
+      if (!arguments.length)
+        return identity2.translate(x, y).scale(k);
+      x = +obj.x;
+      y = +obj.y;
+      k = +obj.k;
+      return projection2;
+    };
+    projection2.stream = transform_default({
+      point: function(x2, y2) {
+        var vec = projection2([x2, y2]);
+        this.stream.point(vec[0], vec[1]);
+      }
+    }).stream;
+    return projection2;
+  }
+
+  // modules/geo/ortho.js
+  function geoOrthoNormalizedDotProduct(a, b, origin) {
+    if (geoVecEqual(origin, a) || geoVecEqual(origin, b)) {
+      return 1;
+    }
+    return geoVecNormalizedDot(a, b, origin);
+  }
+  function geoOrthoFilterDotProduct(dotp, epsilon3, lowerThreshold, upperThreshold, allowStraightAngles) {
+    var val = Math.abs(dotp);
+    if (val < epsilon3) {
+      return 0;
+    } else if (allowStraightAngles && Math.abs(val - 1) < epsilon3) {
+      return 0;
+    } else if (val < lowerThreshold || val > upperThreshold) {
+      return dotp;
+    } else {
+      return null;
+    }
+  }
+  function geoOrthoCalcScore(points, isClosed, epsilon3, threshold) {
+    var score = 0;
+    var first = isClosed ? 0 : 1;
+    var last = isClosed ? points.length : points.length - 1;
+    var coords = points.map(function(p) {
+      return p.coord;
+    });
+    var lowerThreshold = Math.cos((90 - threshold) * Math.PI / 180);
+    var upperThreshold = Math.cos(threshold * Math.PI / 180);
+    for (var i2 = first; i2 < last; i2++) {
+      var a = coords[(i2 - 1 + coords.length) % coords.length];
+      var origin = coords[i2];
+      var b = coords[(i2 + 1) % coords.length];
+      var dotp = geoOrthoFilterDotProduct(geoOrthoNormalizedDotProduct(a, b, origin), epsilon3, lowerThreshold, upperThreshold);
+      if (dotp === null)
+        continue;
+      score = score + 2 * Math.min(Math.abs(dotp - 1), Math.min(Math.abs(dotp), Math.abs(dotp + 1)));
+    }
+    return score;
+  }
+  function geoOrthoMaxOffsetAngle(coords, isClosed, lessThan) {
+    var max3 = -Infinity;
+    var first = isClosed ? 0 : 1;
+    var last = isClosed ? coords.length : coords.length - 1;
+    for (var i2 = first; i2 < last; i2++) {
+      var a = coords[(i2 - 1 + coords.length) % coords.length];
+      var origin = coords[i2];
+      var b = coords[(i2 + 1) % coords.length];
+      var normalizedDotP = geoOrthoNormalizedDotProduct(a, b, origin);
+      var angle2 = Math.acos(Math.abs(normalizedDotP)) * 180 / Math.PI;
+      if (angle2 > 45)
+        angle2 = 90 - angle2;
+      if (angle2 >= lessThan)
+        continue;
+      if (angle2 > max3)
+        max3 = angle2;
+    }
+    if (max3 === -Infinity)
+      return null;
+    return max3;
+  }
+  function geoOrthoCanOrthogonalize(coords, isClosed, epsilon3, threshold, allowStraightAngles) {
+    var score = null;
+    var first = isClosed ? 0 : 1;
+    var last = isClosed ? coords.length : coords.length - 1;
+    var lowerThreshold = Math.cos((90 - threshold) * Math.PI / 180);
+    var upperThreshold = Math.cos(threshold * Math.PI / 180);
+    for (var i2 = first; i2 < last; i2++) {
+      var a = coords[(i2 - 1 + coords.length) % coords.length];
+      var origin = coords[i2];
+      var b = coords[(i2 + 1) % coords.length];
+      var dotp = geoOrthoFilterDotProduct(geoOrthoNormalizedDotProduct(a, b, origin), epsilon3, lowerThreshold, upperThreshold, allowStraightAngles);
+      if (dotp === null)
+        continue;
+      if (Math.abs(dotp) > 0)
+        return 1;
+      score = 0;
+    }
+    return score;
+  }
+
+  // modules/util/array.js
+  function utilArrayIdentical(a, b) {
+    if (a === b)
+      return true;
+    var i2 = a.length;
+    if (i2 !== b.length)
+      return false;
+    while (i2--) {
+      if (a[i2] !== b[i2])
+        return false;
+    }
+    return true;
+  }
+  function utilArrayDifference(a, b) {
+    var other = new Set(b);
+    return Array.from(new Set(a)).filter(function(v) {
+      return !other.has(v);
+    });
+  }
+  function utilArrayIntersection(a, b) {
+    var other = new Set(b);
+    return Array.from(new Set(a)).filter(function(v) {
+      return other.has(v);
+    });
+  }
+  function utilArrayUnion(a, b) {
+    var result = new Set(a);
+    b.forEach(function(v) {
+      result.add(v);
+    });
+    return Array.from(result);
+  }
+  function utilArrayUniq(a) {
+    return Array.from(new Set(a));
+  }
+  function utilArrayChunk(a, chunkSize) {
+    if (!chunkSize || chunkSize < 0)
+      return [a.slice()];
+    var result = new Array(Math.ceil(a.length / chunkSize));
+    return Array.from(result, function(item, i2) {
+      return a.slice(i2 * chunkSize, i2 * chunkSize + chunkSize);
+    });
+  }
+  function utilArrayFlatten(a) {
+    return a.reduce(function(acc, val) {
+      return acc.concat(val);
+    }, []);
+  }
+  function utilArrayGroupBy(a, key) {
+    return a.reduce(function(acc, item) {
+      var group = typeof key === "function" ? key(item) : item[key];
+      (acc[group] = acc[group] || []).push(item);
+      return acc;
+    }, {});
+  }
+  function utilArrayUniqBy(a, key) {
+    var seen = /* @__PURE__ */ new Set();
+    return a.reduce(function(acc, item) {
+      var val = typeof key === "function" ? key(item) : item[key];
+      if (val && !seen.has(val)) {
+        seen.add(val);
+        acc.push(item);
+      }
+      return acc;
+    }, []);
+  }
+
+  // modules/util/util.js
+  var import_diacritics = __toESM(require_diacritics());
+
+  // modules/util/svg_paths_rtl_fix.js
+  var import_alif_toolkit = __toESM(require_lib());
+  var rtlRegex = /[\u0590-\u05FF\u0600-\u06FF\u0750-\u07BF\u08A0–\u08BF]/;
+  function fixRTLTextForSvg(inputText) {
+    var ret = "", rtlBuffer = [];
+    var arabicRegex = /[\u0600-\u06FF]/g;
+    var arabicDiacritics = /[\u0610-\u061A\u064B-\u065F\u0670\u06D6-\u06ED]/g;
+    var arabicMath = /[\u0660-\u066C\u06F0-\u06F9]+/g;
+    var thaanaVowel = /[\u07A6-\u07B0]/;
+    var hebrewSign = /[\u0591-\u05bd\u05bf\u05c1-\u05c5\u05c7]/;
+    if (arabicRegex.test(inputText)) {
+      inputText = (0, import_alif_toolkit.WordShaper)(inputText);
+    }
+    for (var n2 = 0; n2 < inputText.length; n2++) {
+      var c = inputText[n2];
+      if (arabicMath.test(c)) {
+        ret += rtlBuffer.reverse().join("");
+        rtlBuffer = [c];
+      } else {
+        if (rtlBuffer.length && arabicMath.test(rtlBuffer[rtlBuffer.length - 1])) {
+          ret += rtlBuffer.reverse().join("");
+          rtlBuffer = [];
+        }
+        if ((thaanaVowel.test(c) || hebrewSign.test(c) || arabicDiacritics.test(c)) && rtlBuffer.length) {
+          rtlBuffer[rtlBuffer.length - 1] += c;
+        } else if (rtlRegex.test(c) || c.charCodeAt(0) >= 64336 && c.charCodeAt(0) <= 65023 || c.charCodeAt(0) >= 65136 && c.charCodeAt(0) <= 65279) {
+          rtlBuffer.push(c);
+        } else if (c === " " && rtlBuffer.length) {
+          rtlBuffer = [rtlBuffer.reverse().join("") + " "];
+        } else {
+          ret += rtlBuffer.reverse().join("") + c;
+          rtlBuffer = [];
+        }
+      }
+    }
+    ret += rtlBuffer.reverse().join("");
+    return ret;
+  }
+
+  // modules/core/preferences.js
+  var _storage;
+  try {
+    _storage = localStorage;
+  } catch (e) {
+  }
+  _storage = _storage || (() => {
+    let s = {};
+    return {
+      getItem: (k) => s[k],
+      setItem: (k, v) => s[k] = v,
+      removeItem: (k) => delete s[k]
+    };
+  })();
+  var _listeners = {};
+  function corePreferences(k, v) {
+    try {
+      if (v === void 0)
+        return _storage.getItem(k);
+      else if (v === null)
+        _storage.removeItem(k);
+      else
+        _storage.setItem(k, v);
+      if (_listeners[k]) {
+        _listeners[k].forEach((handler) => handler(v));
+      }
+      return true;
+    } catch (e) {
+      if (typeof console !== "undefined") {
+        console.error("localStorage quota exceeded");
+      }
+      return false;
+    }
+  }
+  corePreferences.onChange = function(k, handler) {
+    _listeners[k] = _listeners[k] || [];
+    _listeners[k].push(handler);
+  };
+
+  // modules/core/file_fetcher.js
+  var import_vparse = __toESM(require_vparse());
+
+  // config/id.js
+  var presetsCdnUrl = "https://cdn.jsdelivr.net/npm/@openstreetmap/id-tagging-schema@{presets_version}/";
+  var ociCdnUrl = "https://cdn.jsdelivr.net/npm/osm-community-index@{version}/";
+  var wmfSitematrixCdnUrl = "https://cdn.jsdelivr.net/npm/wmf-sitematrix@{version}/";
+  var nsiCdnUrl = "https://cdn.jsdelivr.net/npm/name-suggestion-index@{version}/";
+  var defaultOsmApiConnections = {
+    live: {
+      url: "https://www.openstreetmap.org",
+      client_id: "0tmNTmd0Jo1dQp4AUmMBLtGiD9YpMuXzHefitcuVStc",
+      client_secret: "BTlNrNxIPitHdL4sP2clHw5KLoee9aKkA7dQbc0Bj7Q"
+    },
+    dev: {
+      url: "https://api06.dev.openstreetmap.org",
+      client_id: "Ee1wWJ6UlpERbF6BfTNOpwn0R8k_06mvMXdDUkeHMgw",
+      client_secret: "OnfWFC-JkZNHyYdr_viNn_h_RTZXRslKcUxllOXqf5g"
+    }
+  };
+  var osmApiConnections = [];
+  if (false) {
+    osmApiConnections.push({
+      url: null,
+      client_id: null,
+      client_secret: null
+    });
+  } else if (false) {
+    osmApiConnections.push(defaultOsmApiConnections[null]);
+  } else {
+    osmApiConnections.push(defaultOsmApiConnections.live);
+    osmApiConnections.push(defaultOsmApiConnections.dev);
+  }
+  var taginfoApiUrl = "https://taginfo.openstreetmap.org/api/4/";
+  var nominatimApiUrl = "https://nominatim.openstreetmap.org/";
+
+  // package.json
+  var package_default = {
+    name: "iD",
+    version: "2.26.1",
+    description: "A friendly editor for OpenStreetMap",
+    main: "dist/iD.min.js",
+    repository: "github:openstreetmap/iD",
+    homepage: "https://github.com/openstreetmap/iD",
+    bugs: "https://github.com/openstreetmap/iD/issues",
+    keywords: [
+      "editor",
+      "openstreetmap"
+    ],
+    license: "ISC",
+    scripts: {
+      all: "run-s clean build dist",
+      build: "run-s build:css build:data build:js",
+      "build:css": "node scripts/build_css.js",
+      "build:data": "shx mkdir -p dist/data && node scripts/build_data.js",
+      "build:stats": "node config/esbuild.config.mjs --stats && esbuild-visualizer --metadata dist/esbuild.json --exclude *.png --filename docs/statistics.html && shx rm dist/esbuild.json",
+      "build:js": "node config/esbuild.config.mjs",
+      "build:js:watch": "node config/esbuild.config.mjs --watch",
+      clean: "shx rm -f dist/esbuild.json dist/*.js dist/*.map dist/*.css dist/img/*.svg",
+      dist: "run-p dist:**",
+      "dist:mapillary": "shx mkdir -p dist/mapillary-js && shx cp -R node_modules/mapillary-js/dist/* dist/mapillary-js/",
+      "dist:pannellum": "shx mkdir -p dist/pannellum-streetside && shx cp -R node_modules/pannellum/build/* dist/pannellum-streetside/",
+      "dist:min": "node config/esbuild.config.min.mjs",
+      "dist:svg:iD": 'svg-sprite --symbol --symbol-dest . --shape-id-generator "iD-%s" --symbol-sprite dist/img/iD-sprite.svg "svg/iD-sprite/**/*.svg"',
+      "dist:svg:community": 'svg-sprite --symbol --symbol-dest . --shape-id-generator "community-%s" --symbol-sprite dist/img/community-sprite.svg node_modules/osm-community-index/dist/img/*.svg',
+      "dist:svg:fa": "svg-sprite --symbol --symbol-dest . --symbol-sprite dist/img/fa-sprite.svg svg/fontawesome/*.svg",
+      "dist:svg:maki": 'svg-sprite --symbol --symbol-dest . --shape-id-generator "maki-%s" --symbol-sprite dist/img/maki-sprite.svg node_modules/@mapbox/maki/icons/*.svg',
+      "dist:svg:mapillary:signs": "svg-sprite --symbol --symbol-dest . --symbol-sprite dist/img/mapillary-sprite.svg node_modules/mapillary_sprite_source/package_signs/*.svg",
+      "dist:svg:mapillary:objects": "svg-sprite --symbol --symbol-dest . --symbol-sprite dist/img/mapillary-object-sprite.svg node_modules/mapillary_sprite_source/package_objects/*.svg",
+      "dist:svg:roentgen": 'svg-sprite --shape-id-generator "roentgen-%s" --shape-dim-width 16 --shape-dim-height 16 --symbol --symbol-dest . --symbol-sprite dist/img/roentgen-sprite.svg svg/roentgen/*.svg',
+      "dist:svg:temaki": 'svg-sprite --symbol --symbol-dest . --shape-id-generator "temaki-%s" --symbol-sprite dist/img/temaki-sprite.svg node_modules/@rapideditor/temaki/icons/*.svg',
+      imagery: "node scripts/update_imagery.js",
+      lint: "eslint config scripts test/spec modules --ext js,mjs",
+      "lint:fix": "eslint scripts test/spec modules --fix",
+      start: "run-s start:watch",
+      "start:single-build": "run-p build:js start:server",
+      "start:watch": "run-p build:js:watch start:server",
+      "start:server": "node scripts/server.js",
+      test: "npm-run-all -s lint build test:spec",
+      "test:spec": "karma start config/karma.conf.js",
+      translations: "node scripts/update_locales.js"
+    },
+    dependencies: {
+      "@rapideditor/country-coder": "~5.2.0",
+      "@rapideditor/location-conflation": "~1.2.0",
+      "@mapbox/geojson-area": "^0.2.2",
+      "@mapbox/sexagesimal": "1.2.0",
+      "@mapbox/vector-tile": "^1.3.1",
+      "@tmcw/togeojson": "^5.6.2",
+      "@turf/bbox": "^6.0.0",
+      "@turf/bbox-clip": "^6.0.0",
+      "abortcontroller-polyfill": "^1.7.5",
+      "aes-js": "^3.1.2",
+      "alif-toolkit": "^1.2.9",
+      "core-js-bundle": "^3.31.1",
+      diacritics: "1.3.0",
+      "fast-deep-equal": "~3.1.1",
+      "fast-json-stable-stringify": "2.1.0",
+      "lodash-es": "~4.17.15",
+      marked: "~5.1.1",
+      "node-diff3": "~3.1.0",
+      "osm-auth": "~2.1.0",
+      pannellum: "2.5.6",
+      pbf: "^3.2.1",
+      "polygon-clipping": "~0.15.1",
+      rbush: "3.0.1",
+      "whatwg-fetch": "^3.4.1",
+      "which-polygon": "2.2.1"
+    },
+    devDependencies: {
+      "@fortawesome/fontawesome-svg-core": "~6.4.0",
+      "@fortawesome/free-brands-svg-icons": "~6.4.0",
+      "@fortawesome/free-regular-svg-icons": "~6.4.0",
+      "@fortawesome/free-solid-svg-icons": "~6.4.0",
+      "@rapideditor/temaki": "~5.4.0",
+      "@mapbox/maki": "^8.0.1",
+      "@openstreetmap/id-tagging-schema": "^6.3.0",
+      "@transifex/api": "^5.4.0",
+      autoprefixer: "^10.4.14",
+      chai: "^4.3.7",
+      chalk: "^4.1.2",
+      "cldr-core": "^43.0.0",
+      "cldr-localenames-full": "^43.1.0",
+      "concat-files": "^0.1.1",
+      d3: "~7.8.5",
+      dotenv: "^16.3.1",
+      "editor-layer-index": "github:osmlab/editor-layer-index#gh-pages",
+      esbuild: "^0.18.11",
+      "esbuild-visualizer": "^0.4.1",
+      eslint: "^8.44.0",
+      "fetch-mock": "^9.11.0",
+      gaze: "^1.1.3",
+      glob: "^10.3.3",
+      happen: "^0.3.2",
+      "js-yaml": "^4.0.0",
+      "json-stringify-pretty-compact": "^3.0.0",
+      karma: "^6.4.2",
+      "karma-chrome-launcher": "^3.2.0",
+      "karma-coverage": "2.1.1",
+      "karma-mocha": "^2.0.1",
+      "karma-remap-istanbul": "^0.6.0",
+      mapillary_sprite_source: "^1.8.0",
+      "mapillary-js": "4.1.1",
+      minimist: "^1.2.8",
+      mocha: "^10.2.0",
+      "name-suggestion-index": "~6.0",
+      "node-fetch": "^2.6.11",
+      "npm-run-all": "^4.0.0",
+      "osm-community-index": "~5.5.3",
+      postcss: "^8.4.25",
+      "postcss-selector-prepend": "^0.5.0",
+      shelljs: "^0.8.0",
+      shx: "^0.3.0",
+      sinon: "^11.1.2",
+      "sinon-chai": "^3.7.0",
+      smash: "0.0",
+      "static-server": "^2.2.1",
+      "svg-sprite": "2.0.2",
+      vparse: "~1.1.0"
+    },
+    engines: {
+      node: ">=16.14"
+    },
+    browserslist: [
+      "> 0.2%, last 6 major versions, Firefox ESR, maintained node versions"
+    ]
+  };
+
+  // modules/core/file_fetcher.js
+  var _mainFileFetcher = coreFileFetcher();
+  function coreFileFetcher() {
+    const ociVersion = package_default.dependencies["osm-community-index"] || package_default.devDependencies["osm-community-index"];
+    const v = (0, import_vparse.default)(ociVersion);
+    const ociVersionMinor = `${v.major}.${v.minor}`;
+    const presetsVersion = package_default.devDependencies["@openstreetmap/id-tagging-schema"];
+    let _this = {};
+    let _inflight4 = {};
+    let _fileMap = {
+      "address_formats": "data/address_formats.min.json",
+      "imagery": "data/imagery.min.json",
+      "intro_graph": "data/intro_graph.min.json",
+      "keepRight": "data/keepRight.min.json",
+      "languages": "data/languages.min.json",
+      "locales": "locales/index.min.json",
+      "phone_formats": "data/phone_formats.min.json",
+      "qa_data": "data/qa_data.min.json",
+      "shortcuts": "data/shortcuts.min.json",
+      "territory_languages": "data/territory_languages.min.json",
+      "oci_defaults": ociCdnUrl.replace("{version}", ociVersionMinor) + "dist/defaults.min.json",
+      "oci_features": ociCdnUrl.replace("{version}", ociVersionMinor) + "dist/featureCollection.min.json",
+      "oci_resources": ociCdnUrl.replace("{version}", ociVersionMinor) + "dist/resources.min.json",
+      "presets_package": presetsCdnUrl.replace("{presets_version}", presetsVersion) + "package.json",
+      "deprecated": presetsCdnUrl + "dist/deprecated.min.json",
+      "discarded": presetsCdnUrl + "dist/discarded.min.json",
+      "preset_categories": presetsCdnUrl + "dist/preset_categories.min.json",
+      "preset_defaults": presetsCdnUrl + "dist/preset_defaults.min.json",
+      "preset_fields": presetsCdnUrl + "dist/fields.min.json",
+      "preset_presets": presetsCdnUrl + "dist/presets.min.json",
+      "wmf_sitematrix": wmfSitematrixCdnUrl.replace("{version}", "0.1") + "wikipedia.min.json"
+    };
+    let _cachedData = {};
+    _this.cache = () => _cachedData;
+    _this.get = (which) => {
+      if (_cachedData[which]) {
+        return Promise.resolve(_cachedData[which]);
+      }
+      const file = _fileMap[which];
+      const url = file && _this.asset(file);
+      if (!url) {
+        return Promise.reject(`Unknown data file for "${which}"`);
+      }
+      if (url.includes("{presets_version}")) {
+        return _this.get("presets_package").then((result) => {
+          const presetsVersion2 = result.version;
+          return getUrl(url.replace("{presets_version}", presetsVersion2), which);
+        });
+      } else {
+        return getUrl(url);
+      }
+    };
+    function getUrl(url, which) {
+      let prom = _inflight4[url];
+      if (!prom) {
+        _inflight4[url] = prom = fetch(url).then((response) => {
+          if (!response.ok || !response.json) {
+            throw new Error(response.status + " " + response.statusText);
+          }
+          if (response.status === 204 || response.status === 205)
+            return;
+          return response.json();
+        }).then((result) => {
+          delete _inflight4[url];
+          if (!result) {
+            throw new Error(`No data loaded for "${which}"`);
+          }
+          _cachedData[which] = result;
+          return result;
+        }).catch((err) => {
+          delete _inflight4[url];
+          throw err;
+        });
+      }
+      return prom;
+    }
+    _this.fileMap = function(val) {
+      if (!arguments.length)
+        return _fileMap;
+      _fileMap = val;
+      return _this;
+    };
+    let _assetPath = "";
+    _this.assetPath = function(val) {
+      if (!arguments.length)
+        return _assetPath;
+      _assetPath = val;
+      return _this;
+    };
+    let _assetMap = {};
+    _this.assetMap = function(val) {
+      if (!arguments.length)
+        return _assetMap;
+      _assetMap = val;
+      return _this;
+    };
+    _this.asset = (val) => {
+      if (/^http(s)?:\/\//i.test(val))
+        return val;
+      const filename = _assetPath + val;
+      return _assetMap[filename] || filename;
+    };
+    return _this;
+  }
+
+  // node_modules/@rapideditor/country-coder/dist/country-coder.mjs
+  var import_which_polygon = __toESM(require_which_polygon(), 1);
+  var borders_default = { type: "FeatureCollection", features: [
+    { type: "Feature", properties: { wikidata: "Q21", nameEn: "England", aliases: ["GB-ENG"], country: "GB", groups: ["Q23666", "Q3336843", "154", "150", "UN"], driveSide: "left", roadSpeedUnit: "mph", roadHeightUnit: "ft", callingCodes: ["44"] }, geometry: { type: "MultiPolygon", coordinates: [[[[-6.03913, 51.13217], [-7.74976, 48.64773], [1.17405, 50.74239], [2.18458, 51.52087], [2.56575, 51.85301], [0.792, 57.56437], [-2.30613, 55.62698], [-2.17058, 55.45916], [-2.6095, 55.28488], [-2.63532, 55.19452], [-3.02906, 55.04606], [-3.09361, 54.94924], [-3.38407, 54.94278], [-4.1819, 54.57861], [-3.5082, 53.54318], [-3.08228, 53.25526], [-3.03675, 53.25092], [-2.92329, 53.19383], [-2.92022, 53.17685], [-2.98598, 53.15589], [-2.90649, 53.10964], [-2.87469, 53.12337], [-2.89131, 53.09374], [-2.83133, 52.99184], [-2.7251, 52.98389], [-2.72221, 52.92969], [-2.80549, 52.89428], [-2.85897, 52.94487], [-2.92401, 52.93836], [-2.97243, 52.9651], [-3.13576, 52.895], [-3.15744, 52.84947], [-3.16105, 52.79599], [-3.08734, 52.77504], [-3.01001, 52.76636], [-2.95581, 52.71794], [-3.01724, 52.72083], [-3.04398, 52.65435], [-3.13648, 52.58208], [-3.12926, 52.5286], [-3.09746, 52.53077], [-3.08662, 52.54811], [-3.00929, 52.57774], [-2.99701, 52.551], [-3.03603, 52.49969], [-3.13359, 52.49174], [-3.22971, 52.45344], [-3.22754, 52.42526], [-3.04687, 52.34504], [-2.95364, 52.3501], [-2.99701, 52.323], [-3.00785, 52.2753], [-3.09289, 52.20546], [-3.12638, 52.08114], [-2.97111, 51.90456], [-2.8818, 51.93196], [-2.78742, 51.88833], [-2.74277, 51.84367], [-2.66234, 51.83555], [-2.66336, 51.59504], [-3.20563, 51.31615], [-6.03913, 51.13217]]]] } },
+    { type: "Feature", properties: { wikidata: "Q22", nameEn: "Scotland", aliases: ["GB-SCT"], country: "GB", groups: ["Q23666", "Q3336843", "154", "150", "UN"], driveSide: "left", roadSpeedUnit: "mph", roadHeightUnit: "ft", callingCodes: ["44"] }, geometry: { type: "MultiPolygon", coordinates: [[[[0.792, 57.56437], [-0.3751, 61.32236], [-14.78497, 57.60709], [-6.82333, 55.83103], [-4.69044, 54.3629], [-3.38407, 54.94278], [-3.09361, 54.94924], [-3.02906, 55.04606], [-2.63532, 55.19452], [-2.6095, 55.28488], [-2.17058, 55.45916], [-2.30613, 55.62698], [0.792, 57.56437]]]] } },
+    { type: "Feature", properties: { wikidata: "Q25", nameEn: "Wales", aliases: ["GB-WLS"], country: "GB", groups: ["Q23666", "Q3336843", "154", "150", "UN"], driveSide: "left", roadSpeedUnit: "mph", roadHeightUnit: "ft", callingCodes: ["44"] }, geometry: { type: "MultiPolygon", coordinates: [[[[-3.5082, 53.54318], [-5.37267, 53.63269], [-6.03913, 51.13217], [-3.20563, 51.31615], [-2.66336, 51.59504], [-2.66234, 51.83555], [-2.74277, 51.84367], [-2.78742, 51.88833], [-2.8818, 51.93196], [-2.97111, 51.90456], [-3.12638, 52.08114], [-3.09289, 52.20546], [-3.00785, 52.2753], [-2.99701, 52.323], [-2.95364, 52.3501], [-3.04687, 52.34504], [-3.22754, 52.42526], [-3.22971, 52.45344], [-3.13359, 52.49174], [-3.03603, 52.49969], [-2.99701, 52.551], [-3.00929, 52.57774], [-3.08662, 52.54811], [-3.09746, 52.53077], [-3.12926, 52.5286], [-3.13648, 52.58208], [-3.04398, 52.65435], [-3.01724, 52.72083], [-2.95581, 52.71794], [-3.01001, 52.76636], [-3.08734, 52.77504], [-3.16105, 52.79599], [-3.15744, 52.84947], [-3.13576, 52.895], [-2.97243, 52.9651], [-2.92401, 52.93836], [-2.85897, 52.94487], [-2.80549, 52.89428], [-2.72221, 52.92969], [-2.7251, 52.98389], [-2.83133, 52.99184], [-2.89131, 53.09374], [-2.87469, 53.12337], [-2.90649, 53.10964], [-2.98598, 53.15589], [-2.92022, 53.17685], [-2.92329, 53.19383], [-3.03675, 53.25092], [-3.08228, 53.25526], [-3.5082, 53.54318]]]] } },
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+    { type: "Feature", properties: { iso1A2: "YE", iso1A3: "YEM", iso1N3: "887", wikidata: "Q805", nameEn: "Yemen", groups: ["145", "142", "UN"], callingCodes: ["967"] }, geometry: { type: "MultiPolygon", coordinates: [[[[57.49095, 8.14549], [52.81185, 17.28568], [52.74267, 17.29519], [52.78009, 17.35124], [52.00311, 19.00083], [49.04884, 18.59899], [48.19996, 18.20584], [47.58351, 17.50366], [47.48245, 17.10808], [47.00571, 16.94765], [46.76494, 17.29151], [46.31018, 17.20464], [44.50126, 17.47475], [43.70631, 17.35762], [43.43005, 17.56148], [43.29185, 17.53224], [43.22533, 17.38343], [43.32653, 17.31179], [43.20156, 17.25901], [43.17787, 17.14717], [43.23967, 17.03428], [43.18233, 17.02673], [43.1813, 16.98438], [43.19328, 16.94703], [43.1398, 16.90696], [43.18338, 16.84852], [43.22012, 16.83932], [43.22956, 16.80613], [43.24801, 16.80613], [43.26303, 16.79479], [43.25857, 16.75304], [43.21325, 16.74416], [43.22066, 16.65179], [43.15274, 16.67248], [43.11601, 16.53166], [42.97215, 16.51093], [42.94351, 16.49467], [42.94625, 16.39721], [42.76801, 16.40371], [42.15205, 16.40211], [40.99158, 15.81743], [43.29075, 12.79154], [43.32909, 12.59711], [43.90659, 12.3823], [51.12877, 12.56479], [57.49095, 8.14549]]]] } },
+    { type: "Feature", properties: { iso1A2: "YT", iso1A3: "MYT", iso1N3: "175", wikidata: "Q17063", nameEn: "Mayotte", country: "FR", groups: ["Q3320166", "EU", "014", "202", "002", "UN"], callingCodes: ["262"] }, geometry: { type: "MultiPolygon", coordinates: [[[[43.28731, -13.97126], [45.54824, -13.22353], [45.4971, -11.75965], [43.28731, -13.97126]]]] } },
+    { type: "Feature", properties: { iso1A2: "ZA", iso1A3: "ZAF", iso1N3: "710", wikidata: "Q258", nameEn: "South Africa", groups: ["018", "202", "002", "UN"], driveSide: "left", callingCodes: ["27"] }, geometry: { type: "MultiPolygon", coordinates: [[[[31.30611, -22.422], [31.16344, -22.32599], [31.08932, -22.34884], [30.86696, -22.28907], [30.6294, -22.32599], [30.48686, -22.31368], [30.38614, -22.34533], [30.28351, -22.35587], [30.2265, -22.2961], [30.13147, -22.30841], [29.92242, -22.19408], [29.76848, -22.14128], [29.64609, -22.12917], [29.37703, -22.19581], [29.21955, -22.17771], [29.18974, -22.18599], [29.15268, -22.21399], [29.10881, -22.21202], [29.0151, -22.22907], [28.91889, -22.44299], [28.63287, -22.55887], [28.34874, -22.5694], [28.04562, -22.8394], [28.04752, -22.90243], [27.93729, -22.96194], [27.93539, -23.04941], [27.74154, -23.2137], [27.6066, -23.21894], [27.52393, -23.37952], [27.33768, -23.40917], [26.99749, -23.65486], [26.84165, -24.24885], [26.51667, -24.47219], [26.46346, -24.60358], [26.39409, -24.63468], [25.8515, -24.75727], [25.84295, -24.78661], [25.88571, -24.87802], [25.72702, -25.25503], [25.69661, -25.29284], [25.6643, -25.4491], [25.58543, -25.6343], [25.33076, -25.76616], [25.12266, -25.75931], [25.01718, -25.72507], [24.8946, -25.80723], [24.67319, -25.81749], [24.44703, -25.73021], [24.36531, -25.773], [24.18287, -25.62916], [23.9244, -25.64286], [23.47588, -25.29971], [23.03497, -25.29971], [22.86012, -25.50572], [22.70808, -25.99186], [22.56365, -26.19668], [22.41921, -26.23078], [22.21206, -26.3773], [22.06192, -26.61882], [21.90703, -26.66808], [21.83291, -26.65959], [21.77114, -26.69015], [21.7854, -26.79199], [21.69322, -26.86152], [21.37869, -26.82083], [21.13353, -26.86661], [20.87031, -26.80047], [20.68596, -26.9039], [20.63275, -26.78181], [20.61754, -26.4692], [20.86081, -26.14892], [20.64795, -25.47827], [20.29826, -24.94869], [20.03678, -24.81004], [20.02809, -24.78725], [19.99817, -24.76768], [19.99882, -28.42622], [18.99885, -28.89165], [17.4579, -28.68718], [17.15405, -28.08573], [16.90446, -28.057], [16.59922, -28.53246], [16.46592, -28.57126], [16.45332, -28.63117], [12.51595, -32.27486], [38.88176, -48.03306], [34.51034, -26.91792], [32.35222, -26.86027], [32.29584, -26.852], [32.22302, -26.84136], [32.19409, -26.84032], [32.13315, -26.84345], [32.09664, -26.80721], [32.00893, -26.8096], [31.97463, -27.11057], [31.97592, -27.31675], [31.49834, -27.31549], [31.15027, -27.20151], [30.96088, -27.0245], [30.97757, -26.92706], [30.88826, -26.79622], [30.81101, -26.84722], [30.78927, -26.48271], [30.95819, -26.26303], [31.13073, -25.91558], [31.31237, -25.7431], [31.4175, -25.71886], [31.86881, -25.99973], [31.974, -25.95387], [31.92649, -25.84216], [32.00631, -25.65044], [31.97875, -25.46356], [32.01676, -25.38117], [32.03196, -25.10785], [31.9835, -24.29983], [31.90368, -24.18892], [31.87707, -23.95293], [31.77445, -23.90082], [31.70223, -23.72695], [31.67942, -23.60858], [31.56539, -23.47268], [31.55779, -23.176], [31.30611, -22.422]], [[29.33204, -29.45598], [29.28545, -29.58456], [29.12553, -29.76266], [29.16548, -29.91706], [28.9338, -30.05072], [28.80222, -30.10579], [28.68627, -30.12885], [28.399, -30.1592], [28.2319, -30.28476], [28.12073, -30.68072], [27.74814, -30.60635], [27.69467, -30.55862], [27.67819, -30.53437], [27.6521, -30.51707], [27.62137, -30.50509], [27.56781, -30.44562], [27.56901, -30.42504], [27.45452, -30.32239], [27.38108, -30.33456], [27.36649, -30.27246], [27.37293, -30.19401], [27.40778, -30.14577], [27.32555, -30.14785], [27.29603, -30.05473], [27.22719, -30.00718], [27.09489, -29.72796], [27.01016, -29.65439], [27.33464, -29.48161], [27.4358, -29.33465], [27.47254, -29.31968], [27.45125, -29.29708], [27.48679, -29.29349], [27.54258, -29.25575], [27.5158, -29.2261], [27.55974, -29.18954], [27.75458, -28.89839], [27.8907, -28.91612], [27.88933, -28.88156], [27.9392, -28.84864], [27.98675, -28.8787], [28.02503, -28.85991], [28.1317, -28.7293], [28.2348, -28.69471], [28.30518, -28.69531], [28.40612, -28.6215], [28.65091, -28.57025], [28.68043, -28.58744], [29.40524, -29.21246], [29.44883, -29.3772], [29.33204, -29.45598]]]] } },
+    { type: "Feature", properties: { iso1A2: "ZM", iso1A3: "ZMB", iso1N3: "894", wikidata: "Q953", nameEn: "Zambia", groups: ["014", "202", "002", "UN"], driveSide: "left", callingCodes: ["260"] }, geometry: { type: "MultiPolygon", coordinates: [[[[32.95389, -9.40138], [32.76233, -9.31963], [32.75611, -9.28583], [32.53661, -9.24281], [32.49147, -9.14754], [32.43543, -9.11988], [32.25486, -9.13371], [32.16146, -9.05993], [32.08206, -9.04609], [31.98866, -9.07069], [31.94196, -9.02303], [31.94663, -8.93846], [31.81587, -8.88618], [31.71158, -8.91386], [31.57147, -8.81388], [31.57147, -8.70619], [31.37533, -8.60769], [31.00796, -8.58615], [30.79243, -8.27382], [28.88917, -8.4831], [28.9711, -8.66935], [28.38526, -9.23393], [28.36562, -9.30091], [28.52636, -9.35379], [28.51627, -9.44726], [28.56208, -9.49122], [28.68532, -9.78], [28.62795, -9.92942], [28.65032, -10.65133], [28.37241, -11.57848], [28.48357, -11.87532], [29.18592, -12.37921], [29.4992, -12.43843], [29.48404, -12.23604], [29.8139, -12.14898], [29.81551, -13.44683], [29.65078, -13.41844], [29.60531, -13.21685], [29.01918, -13.41353], [28.33199, -12.41375], [27.59932, -12.22123], [27.21025, -11.76157], [27.22541, -11.60323], [27.04351, -11.61312], [26.88687, -12.01868], [26.01777, -11.91488], [25.33058, -11.65767], [25.34069, -11.19707], [24.42612, -11.44975], [24.34528, -11.06816], [24.00027, -10.89356], [24.02603, -11.15368], [23.98804, -12.13149], [24.06672, -12.29058], [23.90937, -12.844], [24.03339, -12.99091], [21.97988, -13.00148], [22.00323, -16.18028], [22.17217, -16.50269], [23.20038, -17.47563], [23.47474, -17.62877], [24.23619, -17.47489], [24.32811, -17.49082], [24.38712, -17.46818], [24.5621, -17.52963], [24.70864, -17.49501], [25.00198, -17.58221], [25.26433, -17.79571], [25.51646, -17.86232], [25.6827, -17.81987], [25.85738, -17.91403], [25.85892, -17.97726], [26.08925, -17.98168], [26.0908, -17.93021], [26.21601, -17.88608], [26.55918, -17.99638], [26.68403, -18.07411], [26.74314, -18.0199], [26.89926, -17.98756], [27.14196, -17.81398], [27.30736, -17.60487], [27.61377, -17.34378], [27.62795, -17.24365], [27.83141, -16.96274], [28.73725, -16.5528], [28.76199, -16.51575], [28.81454, -16.48611], [28.8501, -16.04537], [28.9243, -15.93987], [29.01298, -15.93805], [29.21955, -15.76589], [29.4437, -15.68702], [29.8317, -15.6126], [30.35574, -15.6513], [30.41902, -15.62269], [30.22098, -14.99447], [33.24249, -14.00019], [33.16749, -13.93992], [33.07568, -13.98447], [33.02977, -14.05022], [32.99042, -13.95689], [32.88985, -13.82956], [32.79015, -13.80755], [32.76962, -13.77224], [32.84528, -13.71576], [32.7828, -13.64805], [32.68654, -13.64268], [32.66468, -13.60019], [32.68436, -13.55769], [32.73683, -13.57682], [32.84176, -13.52794], [32.86113, -13.47292], [33.0078, -13.19492], [32.98289, -13.12671], [33.02181, -12.88707], [32.96733, -12.88251], [32.94397, -12.76868], [33.05917, -12.59554], [33.18837, -12.61377], [33.28177, -12.54692], [33.37517, -12.54085], [33.54485, -12.35996], [33.47636, -12.32498], [33.3705, -12.34931], [33.25998, -12.14242], [33.33937, -11.91252], [33.32692, -11.59248], [33.24252, -11.59302], [33.23663, -11.40637], [33.29267, -11.43536], [33.29267, -11.3789], [33.39697, -11.15296], [33.25998, -10.88862], [33.28022, -10.84428], [33.47636, -10.78465], [33.70675, -10.56896], [33.54797, -10.36077], [33.53863, -10.20148], [33.31297, -10.05133], [33.37902, -9.9104], [33.36581, -9.81063], [33.31517, -9.82364], [33.2095, -9.61099], [33.12144, -9.58929], [33.10163, -9.66525], [33.05485, -9.61316], [33.00256, -9.63053], [33.00476, -9.5133], [32.95389, -9.40138]]]] } },
+    { type: "Feature", properties: { iso1A2: "ZW", iso1A3: "ZWE", iso1N3: "716", wikidata: "Q954", nameEn: "Zimbabwe", groups: ["014", "202", "002", "UN"], driveSide: "left", callingCodes: ["263"] }, geometry: { type: "MultiPolygon", coordinates: [[[[30.41902, -15.62269], [30.35574, -15.6513], [29.8317, -15.6126], [29.4437, -15.68702], [29.21955, -15.76589], [29.01298, -15.93805], [28.9243, -15.93987], [28.8501, -16.04537], [28.81454, -16.48611], [28.76199, -16.51575], [28.73725, -16.5528], [27.83141, -16.96274], [27.62795, -17.24365], [27.61377, -17.34378], [27.30736, -17.60487], [27.14196, -17.81398], [26.89926, -17.98756], [26.74314, -18.0199], [26.68403, -18.07411], [26.55918, -17.99638], [26.21601, -17.88608], [26.0908, -17.93021], [26.08925, -17.98168], [25.85892, -17.97726], [25.85738, -17.91403], [25.6827, -17.81987], [25.51646, -17.86232], [25.26433, -17.79571], [25.23909, -17.90832], [25.31799, -18.07091], [25.39972, -18.12691], [25.53465, -18.39041], [25.68859, -18.56165], [25.79217, -18.6355], [25.82353, -18.82808], [25.94326, -18.90362], [25.99837, -19.02943], [25.96226, -19.08152], [26.17227, -19.53709], [26.72246, -19.92707], [27.21278, -20.08244], [27.29831, -20.28935], [27.28865, -20.49873], [27.69361, -20.48531], [27.72972, -20.51735], [27.69171, -21.08409], [27.91407, -21.31621], [28.01669, -21.57624], [28.29416, -21.59037], [28.49942, -21.66634], [28.58114, -21.63455], [29.07763, -21.81877], [29.04023, -21.85864], [29.02191, -21.90647], [29.02191, -21.95665], [29.04108, -22.00563], [29.08495, -22.04867], [29.14501, -22.07275], [29.1974, -22.07472], [29.24648, -22.05967], [29.3533, -22.18363], [29.37703, -22.19581], [29.64609, -22.12917], [29.76848, -22.14128], [29.92242, -22.19408], [30.13147, -22.30841], [30.2265, -22.2961], [30.28351, -22.35587], [30.38614, -22.34533], [30.48686, -22.31368], [30.6294, -22.32599], [30.86696, -22.28907], [31.08932, -22.34884], [31.16344, -22.32599], [31.30611, -22.422], [31.38336, -22.36919], [32.41234, -21.31246], [32.48236, -21.32873], [32.37115, -21.133], [32.51644, -20.91929], [32.48122, -20.63319], [32.55167, -20.56312], [32.66174, -20.56106], [32.85987, -20.27841], [32.85987, -20.16686], [32.93032, -20.03868], [33.01178, -20.02007], [33.06461, -19.77787], [32.95013, -19.67219], [32.84666, -19.68462], [32.84446, -19.48343], [32.78282, -19.47513], [32.77966, -19.36098], [32.85107, -19.29238], [32.87088, -19.09279], [32.84006, -19.0262], [32.72118, -19.02204], [32.69917, -18.94293], [32.73439, -18.92628], [32.70137, -18.84712], [32.82465, -18.77419], [32.9017, -18.7992], [32.95013, -18.69079], [32.88629, -18.58023], [32.88629, -18.51344], [33.02278, -18.4696], [33.03159, -18.35054], [32.94133, -17.99705], [33.0492, -17.60298], [32.98536, -17.55891], [32.96554, -17.48964], [33.0426, -17.3468], [33.00517, -17.30477], [32.96554, -17.11971], [32.84113, -16.92259], [32.91051, -16.89446], [32.97655, -16.70689], [32.78943, -16.70267], [32.69917, -16.66893], [32.71017, -16.59932], [32.42838, -16.4727], [32.28529, -16.43892], [32.02772, -16.43892], [31.91324, -16.41569], [31.90223, -16.34388], [31.67988, -16.19595], [31.42451, -16.15154], [31.30563, -16.01193], [31.13171, -15.98019], [30.97761, -16.05848], [30.91597, -15.99924], [30.42568, -15.9962], [30.41902, -15.62269]]]] } }
+  ] };
+  var borders = borders_default;
+  var whichPolygonGetter = {};
+  var featuresByCode = {};
+  var idFilterRegex = /(?=(?!^(and|the|of|el|la|de)$))(\b(and|the|of|el|la|de)\b)|[-_ .,'()&[\]/]/gi;
+  function canonicalID(id2) {
+    const s = id2 || "";
+    if (s.charAt(0) === ".") {
+      return s.toUpperCase();
+    } else {
+      return s.replace(idFilterRegex, "").toUpperCase();
+    }
+  }
+  var levels = [
+    "subterritory",
+    "territory",
+    "subcountryGroup",
+    "country",
+    "sharedLandform",
+    "intermediateRegion",
+    "subregion",
+    "region",
+    "subunion",
+    "union",
+    "unitedNations",
+    "world"
+  ];
+  loadDerivedDataAndCaches(borders);
+  function loadDerivedDataAndCaches(borders2) {
+    const identifierProps = ["iso1A2", "iso1A3", "m49", "wikidata", "emojiFlag", "ccTLD", "nameEn"];
+    let geometryFeatures = [];
+    borders2.features.forEach((feature22) => {
+      feature22.properties.id = feature22.properties.iso1A2 || feature22.properties.m49 || feature22.properties.wikidata;
+      loadM49(feature22);
+      loadTLD(feature22);
+      loadIsoStatus(feature22);
+      loadLevel(feature22);
+      loadGroups(feature22);
+      loadFlag(feature22);
+      cacheFeatureByIDs(feature22);
+      if (feature22.geometry)
+        geometryFeatures.push(feature22);
+    });
+    borders2.features.forEach((feature22) => {
+      feature22.properties.groups = feature22.properties.groups.map((groupID) => {
+        return featuresByCode[groupID].properties.id;
+      });
+      loadMembersForGroupsOf(feature22);
+    });
+    borders2.features.forEach((feature22) => {
+      loadRoadSpeedUnit(feature22);
+      loadRoadHeightUnit(feature22);
+      loadDriveSide(feature22);
+      loadCallingCodes(feature22);
+      loadGroupGroups(feature22);
+    });
+    borders2.features.forEach((feature22) => {
+      feature22.properties.groups.sort((groupID1, groupID2) => {
+        return levels.indexOf(featuresByCode[groupID1].properties.level) - levels.indexOf(featuresByCode[groupID2].properties.level);
+      });
+      if (feature22.properties.members)
+        feature22.properties.members.sort((id1, id2) => {
+          const diff = levels.indexOf(featuresByCode[id1].properties.level) - levels.indexOf(featuresByCode[id2].properties.level);
+          if (diff === 0) {
+            return borders2.features.indexOf(featuresByCode[id1]) - borders2.features.indexOf(featuresByCode[id2]);
+          }
+          return diff;
+        });
+    });
+    const geometryOnlyCollection = {
+      type: "FeatureCollection",
+      features: geometryFeatures
+    };
+    whichPolygonGetter = (0, import_which_polygon.default)(geometryOnlyCollection);
+    function loadGroups(feature22) {
+      const props = feature22.properties;
+      if (!props.groups) {
+        props.groups = [];
+      }
+      if (feature22.geometry && props.country) {
+        props.groups.push(props.country);
+      }
+      if (props.m49 !== "001") {
+        props.groups.push("001");
+      }
+    }
+    function loadM49(feature22) {
+      const props = feature22.properties;
+      if (!props.m49 && props.iso1N3) {
+        props.m49 = props.iso1N3;
+      }
+    }
+    function loadTLD(feature22) {
+      const props = feature22.properties;
+      if (props.level === "unitedNations")
+        return;
+      if (!props.ccTLD && props.iso1A2) {
+        props.ccTLD = "." + props.iso1A2.toLowerCase();
+      }
+    }
+    function loadIsoStatus(feature22) {
+      const props = feature22.properties;
+      if (!props.isoStatus && props.iso1A2) {
+        props.isoStatus = "official";
+      }
+    }
+    function loadLevel(feature22) {
+      const props = feature22.properties;
+      if (props.level)
+        return;
+      if (!props.country) {
+        props.level = "country";
+      } else if (!props.iso1A2 || props.isoStatus === "official") {
+        props.level = "territory";
+      } else {
+        props.level = "subterritory";
+      }
+    }
+    function loadGroupGroups(feature22) {
+      const props = feature22.properties;
+      if (feature22.geometry || !props.members)
+        return;
+      const featureLevelIndex = levels.indexOf(props.level);
+      let sharedGroups = [];
+      props.members.forEach((memberID, index) => {
+        const member = featuresByCode[memberID];
+        const memberGroups = member.properties.groups.filter((groupID) => {
+          return groupID !== feature22.properties.id && featureLevelIndex < levels.indexOf(featuresByCode[groupID].properties.level);
+        });
+        if (index === 0) {
+          sharedGroups = memberGroups;
+        } else {
+          sharedGroups = sharedGroups.filter((groupID) => memberGroups.indexOf(groupID) !== -1);
+        }
+      });
+      props.groups = props.groups.concat(
+        sharedGroups.filter((groupID) => props.groups.indexOf(groupID) === -1)
+      );
+      sharedGroups.forEach((groupID) => {
+        const groupFeature = featuresByCode[groupID];
+        if (groupFeature.properties.members.indexOf(props.id) === -1) {
+          groupFeature.properties.members.push(props.id);
+        }
+      });
+    }
+    function loadRoadSpeedUnit(feature22) {
+      const props = feature22.properties;
+      if (feature22.geometry) {
+        if (!props.roadSpeedUnit)
+          props.roadSpeedUnit = "km/h";
+      } else if (props.members) {
+        const vals = Array.from(
+          new Set(
+            props.members.map((id2) => {
+              const member = featuresByCode[id2];
+              if (member.geometry)
+                return member.properties.roadSpeedUnit || "km/h";
+            }).filter(Boolean)
+          )
+        );
+        if (vals.length === 1)
+          props.roadSpeedUnit = vals[0];
+      }
+    }
+    function loadRoadHeightUnit(feature22) {
+      const props = feature22.properties;
+      if (feature22.geometry) {
+        if (!props.roadHeightUnit)
+          props.roadHeightUnit = "m";
+      } else if (props.members) {
+        const vals = Array.from(
+          new Set(
+            props.members.map((id2) => {
+              const member = featuresByCode[id2];
+              if (member.geometry)
+                return member.properties.roadHeightUnit || "m";
+            }).filter(Boolean)
+          )
+        );
+        if (vals.length === 1)
+          props.roadHeightUnit = vals[0];
+      }
+    }
+    function loadDriveSide(feature22) {
+      const props = feature22.properties;
+      if (feature22.geometry) {
+        if (!props.driveSide)
+          props.driveSide = "right";
+      } else if (props.members) {
+        const vals = Array.from(
+          new Set(
+            props.members.map((id2) => {
+              const member = featuresByCode[id2];
+              if (member.geometry)
+                return member.properties.driveSide || "right";
+            }).filter(Boolean)
+          )
+        );
+        if (vals.length === 1)
+          props.driveSide = vals[0];
+      }
+    }
+    function loadCallingCodes(feature22) {
+      const props = feature22.properties;
+      if (!feature22.geometry && props.members) {
+        props.callingCodes = Array.from(
+          new Set(
+            props.members.reduce((array2, id2) => {
+              const member = featuresByCode[id2];
+              if (member.geometry && member.properties.callingCodes) {
+                return array2.concat(member.properties.callingCodes);
+              }
+              return array2;
+            }, [])
+          )
+        );
+      }
+    }
+    function loadFlag(feature22) {
+      if (!feature22.properties.iso1A2)
+        return;
+      const flag = feature22.properties.iso1A2.replace(/./g, function(char) {
+        return String.fromCodePoint(char.charCodeAt(0) + 127397);
+      });
+      feature22.properties.emojiFlag = flag;
+    }
+    function loadMembersForGroupsOf(feature22) {
+      feature22.properties.groups.forEach((groupID) => {
+        const groupFeature = featuresByCode[groupID];
+        if (!groupFeature.properties.members) {
+          groupFeature.properties.members = [];
+        }
+        groupFeature.properties.members.push(feature22.properties.id);
+      });
+    }
+    function cacheFeatureByIDs(feature22) {
+      let ids = [];
+      identifierProps.forEach((prop) => {
+        const id2 = feature22.properties[prop];
+        if (id2)
+          ids.push(id2);
+      });
+      (feature22.properties.aliases || []).forEach((alias) => {
+        ids.push(alias);
+      });
+      ids.forEach((id2) => {
+        let cid = canonicalID(id2);
+        featuresByCode[cid] = feature22;
+      });
+    }
+  }
+  function locArray(loc) {
+    if (Array.isArray(loc)) {
+      return loc;
+    } else if (loc.coordinates) {
+      return loc.coordinates;
+    }
+    return loc.geometry.coordinates;
+  }
+  function smallestFeature(loc) {
+    const query = locArray(loc);
+    const featureProperties = whichPolygonGetter(query);
+    if (!featureProperties)
+      return null;
+    return featuresByCode[featureProperties.id];
+  }
+  function countryFeature(loc) {
+    const feature22 = smallestFeature(loc);
+    if (!feature22)
+      return null;
+    const countryCode = feature22.properties.country || feature22.properties.iso1A2;
+    return featuresByCode[countryCode] || null;
+  }
+  var defaultOpts = {
+    level: void 0,
+    maxLevel: void 0,
+    withProp: void 0
+  };
+  function featureForLoc(loc, opts) {
+    const targetLevel = opts.level || "country";
+    const maxLevel = opts.maxLevel || "world";
+    const withProp = opts.withProp;
+    const targetLevelIndex = levels.indexOf(targetLevel);
+    if (targetLevelIndex === -1)
+      return null;
+    const maxLevelIndex = levels.indexOf(maxLevel);
+    if (maxLevelIndex === -1)
+      return null;
+    if (maxLevelIndex < targetLevelIndex)
+      return null;
+    if (targetLevel === "country") {
+      const fastFeature = countryFeature(loc);
+      if (fastFeature) {
+        if (!withProp || fastFeature.properties[withProp]) {
+          return fastFeature;
+        }
+      }
+    }
+    const features = featuresContaining(loc);
+    const match = features.find((feature22) => {
+      let levelIndex = levels.indexOf(feature22.properties.level);
+      if (feature22.properties.level === targetLevel || // if no feature exists at the target level, return the first feature at the next level up
+      levelIndex > targetLevelIndex && levelIndex <= maxLevelIndex) {
+        if (!withProp || feature22.properties[withProp]) {
+          return feature22;
+        }
+      }
+      return false;
+    });
+    return match || null;
+  }
+  function featureForID(id2) {
+    let stringID;
+    if (typeof id2 === "number") {
+      stringID = id2.toString();
+      if (stringID.length === 1) {
+        stringID = "00" + stringID;
+      } else if (stringID.length === 2) {
+        stringID = "0" + stringID;
+      }
+    } else {
+      stringID = canonicalID(id2);
+    }
+    return featuresByCode[stringID] || null;
+  }
+  function smallestFeaturesForBbox(bbox2) {
+    return whichPolygonGetter.bbox(bbox2).map((props) => featuresByCode[props.id]);
+  }
+  function smallestOrMatchingFeature(query) {
+    if (typeof query === "object") {
+      return smallestFeature(query);
+    }
+    return featureForID(query);
+  }
+  function feature(query, opts = defaultOpts) {
+    if (typeof query === "object") {
+      return featureForLoc(query, opts);
+    }
+    return featureForID(query);
+  }
+  function iso1A2Code(query, opts = defaultOpts) {
+    opts.withProp = "iso1A2";
+    const match = feature(query, opts);
+    if (!match)
+      return null;
+    return match.properties.iso1A2 || null;
+  }
+  function featuresContaining(query, strict) {
+    let matchingFeatures;
+    if (Array.isArray(query) && query.length === 4) {
+      matchingFeatures = smallestFeaturesForBbox(query);
+    } else {
+      const smallestOrMatching = smallestOrMatchingFeature(query);
+      matchingFeatures = smallestOrMatching ? [smallestOrMatching] : [];
+    }
+    if (!matchingFeatures.length)
+      return [];
+    let returnFeatures;
+    if (!strict || typeof query === "object") {
+      returnFeatures = matchingFeatures.slice();
+    } else {
+      returnFeatures = [];
+    }
+    matchingFeatures.forEach((feature22) => {
+      const properties = feature22.properties;
+      properties.groups.forEach((groupID) => {
+        const groupFeature = featuresByCode[groupID];
+        if (returnFeatures.indexOf(groupFeature) === -1) {
+          returnFeatures.push(groupFeature);
+        }
+      });
+    });
+    return returnFeatures;
+  }
+  function featuresIn(id2, strict) {
+    const feature22 = featureForID(id2);
+    if (!feature22)
+      return [];
+    let features = [];
+    if (!strict) {
+      features.push(feature22);
+    }
+    const properties = feature22.properties;
+    (properties.members || []).forEach((memberID) => {
+      features.push(featuresByCode[memberID]);
+    });
+    return features;
+  }
+  function aggregateFeature(id2) {
+    const features = featuresIn(id2, false);
+    if (features.length === 0)
+      return null;
+    let aggregateCoordinates = [];
+    features.forEach((feature22) => {
+      if (feature22.geometry && feature22.geometry.type === "MultiPolygon" && feature22.geometry.coordinates) {
+        aggregateCoordinates = aggregateCoordinates.concat(feature22.geometry.coordinates);
+      }
+    });
+    return {
+      type: "Feature",
+      properties: features[0].properties,
+      geometry: {
+        type: "MultiPolygon",
+        coordinates: aggregateCoordinates
+      }
+    };
+  }
+  function roadSpeedUnit(query) {
+    const feature22 = smallestOrMatchingFeature(query);
+    return feature22 && feature22.properties.roadSpeedUnit || null;
+  }
+  function roadHeightUnit(query) {
+    const feature22 = smallestOrMatchingFeature(query);
+    return feature22 && feature22.properties.roadHeightUnit || null;
+  }
+
+  // node_modules/@rapideditor/location-conflation/index.mjs
+  var import_geojson_area = __toESM(require_geojson_area(), 1);
+  var import_circle_to_polygon = __toESM(require_circle_to_polygon(), 1);
+  var import_polygon_clipping = __toESM(require_polygon_clipping_umd(), 1);
+  var import_geojson_precision = __toESM(require_geojson_precision(), 1);
+  var import_json_stringify_pretty_compact = __toESM(require_json_stringify_pretty_compact(), 1);
+  var location_conflation_default = class {
+    // constructor
+    //
+    // `fc`  Optional FeatureCollection of known features
+    //
+    // Optionally pass a GeoJSON FeatureCollection of known features which we can refer to later.
+    // Each feature must have a filename-like `id`, for example: `something.geojson`
+    //
+    // {
+    //   "type": "FeatureCollection"
+    //   "features": [
+    //     {
+    //       "type": "Feature",
+    //       "id": "philly_metro.geojson",
+    //       "properties": { … },
+    //       "geometry": { … }
+    //     }
+    //   ]
+    // }
+    constructor(fc) {
+      this._cache = {};
+      this._strict = true;
+      if (fc && fc.type === "FeatureCollection" && Array.isArray(fc.features)) {
+        fc.features.forEach((feature3) => {
+          feature3.properties = feature3.properties || {};
+          let props = feature3.properties;
+          let id2 = feature3.id || props.id;
+          if (!id2 || !/^\S+\.geojson$/i.test(id2))
+            return;
+          id2 = id2.toLowerCase();
+          feature3.id = id2;
+          props.id = id2;
+          if (!props.area) {
+            const area = import_geojson_area.default.geometry(feature3.geometry) / 1e6;
+            props.area = Number(area.toFixed(2));
+          }
+          this._cache[id2] = feature3;
+        });
+      }
+      let world = _cloneDeep(feature("Q2"));
+      world.geometry = {
+        type: "Polygon",
+        coordinates: [[[-180, -90], [180, -90], [180, 90], [-180, 90], [-180, -90]]]
+      };
+      world.id = "Q2";
+      world.properties.id = "Q2";
+      world.properties.area = import_geojson_area.default.geometry(world.geometry) / 1e6;
+      this._cache.Q2 = world;
+    }
+    // validateLocation
+    // `location`  The location to validate
+    //
+    // Pass a `location` value to validate
+    //
+    // Returns a result like:
+    //   {
+    //     type:     'point', 'geojson', or 'countrycoder'
+    //     location:  the queried location
+    //     id:        the stable identifier for the feature
+    //   }
+    // or `null` if the location is invalid
+    //
+    validateLocation(location) {
+      if (Array.isArray(location) && (location.length === 2 || location.length === 3)) {
+        const lon = location[0];
+        const lat = location[1];
+        const radius = location[2];
+        if (Number.isFinite(lon) && lon >= -180 && lon <= 180 && Number.isFinite(lat) && lat >= -90 && lat <= 90 && (location.length === 2 || Number.isFinite(radius) && radius > 0)) {
+          const id2 = "[" + location.toString() + "]";
+          return { type: "point", location, id: id2 };
+        }
+      } else if (typeof location === "string" && /^\S+\.geojson$/i.test(location)) {
+        const id2 = location.toLowerCase();
+        if (this._cache[id2]) {
+          return { type: "geojson", location, id: id2 };
+        }
+      } else if (typeof location === "string" || typeof location === "number") {
+        const feature3 = feature(location);
+        if (feature3) {
+          const id2 = feature3.properties.wikidata;
+          return { type: "countrycoder", location, id: id2 };
+        }
+      }
+      if (this._strict) {
+        throw new Error(`validateLocation:  Invalid location: "${location}".`);
+      } else {
+        return null;
+      }
+    }
+    // resolveLocation
+    // `location`  The location to resolve
+    //
+    // Pass a `location` value to resolve
+    //
+    // Returns a result like:
+    //   {
+    //     type:      'point', 'geojson', or 'countrycoder'
+    //     location:  the queried location
+    //     id:        a stable identifier for the feature
+    //     feature:   the resolved GeoJSON feature
+    //   }
+    //  or `null` if the location is invalid
+    //
+    resolveLocation(location) {
+      const valid = this.validateLocation(location);
+      if (!valid)
+        return null;
+      const id2 = valid.id;
+      if (this._cache[id2]) {
+        return Object.assign(valid, { feature: this._cache[id2] });
+      }
+      if (valid.type === "point") {
+        const lon = location[0];
+        const lat = location[1];
+        const radius = location[2] || 25;
+        const EDGES = 10;
+        const PRECISION = 3;
+        const area = Math.PI * radius * radius;
+        const feature3 = this._cache[id2] = (0, import_geojson_precision.default)({
+          type: "Feature",
+          id: id2,
+          properties: { id: id2, area: Number(area.toFixed(2)) },
+          geometry: (0, import_circle_to_polygon.default)([lon, lat], radius * 1e3, EDGES)
+          // km to m
+        }, PRECISION);
+        return Object.assign(valid, { feature: feature3 });
+      } else if (valid.type === "geojson") {
+      } else if (valid.type === "countrycoder") {
+        let feature3 = _cloneDeep(feature(id2));
+        let props = feature3.properties;
+        if (Array.isArray(props.members)) {
+          let aggregate = aggregateFeature(id2);
+          aggregate.geometry.coordinates = _clip([aggregate], "UNION").geometry.coordinates;
+          feature3.geometry = aggregate.geometry;
+        }
+        if (!props.area) {
+          const area = import_geojson_area.default.geometry(feature3.geometry) / 1e6;
+          props.area = Number(area.toFixed(2));
+        }
+        feature3.id = id2;
+        props.id = id2;
+        this._cache[id2] = feature3;
+        return Object.assign(valid, { feature: feature3 });
+      }
+      if (this._strict) {
+        throw new Error(`resolveLocation:  Couldn't resolve location "${location}".`);
+      } else {
+        return null;
+      }
+    }
+    // validateLocationSet
+    // `locationSet`  the locationSet to validate
+    //
+    // Pass a locationSet Object to validate like:
+    //   {
+    //     include: [ Array of locations ],
+    //     exclude: [ Array of locations ]
+    //   }
+    //
+    // Returns a result like:
+    //   {
+    //     type:         'locationset'
+    //     locationSet:  the queried locationSet
+    //     id:           the stable identifier for the feature
+    //   }
+    // or `null` if the locationSet is invalid
+    //
+    validateLocationSet(locationSet) {
+      locationSet = locationSet || {};
+      const validator = this.validateLocation.bind(this);
+      let include = (locationSet.include || []).map(validator).filter(Boolean);
+      let exclude = (locationSet.exclude || []).map(validator).filter(Boolean);
+      if (!include.length) {
+        if (this._strict) {
+          throw new Error(`validateLocationSet:  LocationSet includes nothing.`);
+        } else {
+          locationSet.include = ["Q2"];
+          include = [{ type: "countrycoder", location: "Q2", id: "Q2" }];
+        }
+      }
+      include.sort(_sortLocations);
+      let id2 = "+[" + include.map((d) => d.id).join(",") + "]";
+      if (exclude.length) {
+        exclude.sort(_sortLocations);
+        id2 += "-[" + exclude.map((d) => d.id).join(",") + "]";
+      }
+      return { type: "locationset", locationSet, id: id2 };
+    }
+    // resolveLocationSet
+    // `locationSet`  the locationSet to resolve
+    //
+    // Pass a locationSet Object to validate like:
+    //   {
+    //     include: [ Array of locations ],
+    //     exclude: [ Array of locations ]
+    //   }
+    //
+    // Returns a result like:
+    //   {
+    //     type:         'locationset'
+    //     locationSet:  the queried locationSet
+    //     id:           the stable identifier for the feature
+    //     feature:      the resolved GeoJSON feature
+    //   }
+    // or `null` if the locationSet is invalid
+    //
+    resolveLocationSet(locationSet) {
+      locationSet = locationSet || {};
+      const valid = this.validateLocationSet(locationSet);
+      if (!valid)
+        return null;
+      const id2 = valid.id;
+      if (this._cache[id2]) {
+        return Object.assign(valid, { feature: this._cache[id2] });
+      }
+      const resolver = this.resolveLocation.bind(this);
+      const includes = (locationSet.include || []).map(resolver).filter(Boolean);
+      const excludes = (locationSet.exclude || []).map(resolver).filter(Boolean);
+      if (includes.length === 1 && excludes.length === 0) {
+        return Object.assign(valid, { feature: includes[0].feature });
+      }
+      const includeGeoJSON = _clip(includes.map((d) => d.feature), "UNION");
+      const excludeGeoJSON = _clip(excludes.map((d) => d.feature), "UNION");
+      let resultGeoJSON = excludeGeoJSON ? _clip([includeGeoJSON, excludeGeoJSON], "DIFFERENCE") : includeGeoJSON;
+      const area = import_geojson_area.default.geometry(resultGeoJSON.geometry) / 1e6;
+      resultGeoJSON.id = id2;
+      resultGeoJSON.properties = { id: id2, area: Number(area.toFixed(2)) };
+      this._cache[id2] = resultGeoJSON;
+      return Object.assign(valid, { feature: resultGeoJSON });
+    }
+    // strict
+    //
+    strict(val) {
+      if (val === void 0) {
+        return this._strict;
+      } else {
+        this._strict = val;
+        return this;
+      }
+    }
+    // cache
+    // convenience method to access the internal cache
+    cache() {
+      return this._cache;
+    }
+    // stringify
+    // convenience method to prettyStringify the given object
+    stringify(obj, options2) {
+      return (0, import_json_stringify_pretty_compact.default)(obj, options2);
+    }
+  };
+  function _clip(features, which) {
+    if (!Array.isArray(features) || !features.length)
+      return null;
+    const fn = { UNION: import_polygon_clipping.default.union, DIFFERENCE: import_polygon_clipping.default.difference }[which];
+    const args = features.map((feature3) => feature3.geometry.coordinates);
+    const coords = fn.apply(null, args);
+    return {
+      type: "Feature",
+      properties: {},
+      geometry: {
+        type: whichType(coords),
+        coordinates: coords
+      }
+    };
+    function whichType(coords2) {
+      const a = Array.isArray(coords2);
+      const b = a && Array.isArray(coords2[0]);
+      const c = b && Array.isArray(coords2[0][0]);
+      const d = c && Array.isArray(coords2[0][0][0]);
+      return d ? "MultiPolygon" : "Polygon";
+    }
+  }
+  function _cloneDeep(obj) {
+    return JSON.parse(JSON.stringify(obj));
+  }
+  function _sortLocations(a, b) {
+    const rank = { countrycoder: 1, geojson: 2, point: 3 };
+    const aRank = rank[a.type];
+    const bRank = rank[b.type];
+    return aRank > bRank ? 1 : aRank < bRank ? -1 : a.id.localeCompare(b.id);
+  }
+
+  // modules/core/LocationManager.js
+  var import_which_polygon2 = __toESM(require_which_polygon());
+  var import_geojson_area2 = __toESM(require_geojson_area());
+  var _loco = new location_conflation_default();
+  var LocationManager = class {
+    /**
+     * @constructor
+     */
+    constructor() {
+      this._wp = null;
+      this._resolved = /* @__PURE__ */ new Map();
+      this._knownLocationSets = /* @__PURE__ */ new Map();
+      this._locationIncludedIn = /* @__PURE__ */ new Map();
+      this._locationExcludedIn = /* @__PURE__ */ new Map();
+      const world = { locationSet: { include: ["Q2"] } };
+      this._resolveLocationSet(world);
+      this._rebuildIndex();
+    }
+    /**
+     * _validateLocationSet
+     * Pass an Object with a `locationSet` property.
+     * Validates the `locationSet` and sets a `locationSetID` property on the object.
+     * To avoid so much computation we only resolve the include and exclude regions, but not the locationSet itself.
+     *
+     * Use `_resolveLocationSet()` instead if you need to resolve geojson of locationSet, for example to render it.
+     * Note: You need to call `_rebuildIndex()` after you're all finished validating the locationSets.
+     *
+     * @param  `obj`  Object to check, it should have `locationSet` property
+     */
+    _validateLocationSet(obj) {
+      if (obj.locationSetID)
+        return;
+      try {
+        let locationSet = obj.locationSet;
+        if (!locationSet) {
+          throw new Error("object missing locationSet property");
+        }
+        if (!locationSet.include) {
+          locationSet.include = ["Q2"];
+        }
+        const locationSetID = _loco.validateLocationSet(locationSet).id;
+        obj.locationSetID = locationSetID;
+        if (this._knownLocationSets.has(locationSetID))
+          return;
+        let area = 0;
+        (locationSet.include || []).forEach((location) => {
+          const locationID = _loco.validateLocation(location).id;
+          let geojson = this._resolved.get(locationID);
+          if (!geojson) {
+            geojson = _loco.resolveLocation(location).feature;
+            this._resolved.set(locationID, geojson);
+          }
+          area += geojson.properties.area;
+          let s = this._locationIncludedIn.get(locationID);
+          if (!s) {
+            s = /* @__PURE__ */ new Set();
+            this._locationIncludedIn.set(locationID, s);
+          }
+          s.add(locationSetID);
+        });
+        (locationSet.exclude || []).forEach((location) => {
+          const locationID = _loco.validateLocation(location).id;
+          let geojson = this._resolved.get(locationID);
+          if (!geojson) {
+            geojson = _loco.resolveLocation(location).feature;
+            this._resolved.set(locationID, geojson);
+          }
+          area -= geojson.properties.area;
+          let s = this._locationExcludedIn.get(locationID);
+          if (!s) {
+            s = /* @__PURE__ */ new Set();
+            this._locationExcludedIn.set(locationID, s);
+          }
+          s.add(locationSetID);
+        });
+        this._knownLocationSets.set(locationSetID, area);
+      } catch (err) {
+        obj.locationSet = { include: ["Q2"] };
+        obj.locationSetID = "+[Q2]";
+      }
+    }
+    /**
+     * _resolveLocationSet
+     * Does everything that `_validateLocationSet()` does, but then "resolves" the locationSet into GeoJSON.
+     * This step is a bit more computationally expensive, so really only needed if you intend to render the shape.
+     *
+     * Note: You need to call `_rebuildIndex()` after you're all finished validating the locationSets.
+     *
+     * @param  `obj`  Object to check, it should have `locationSet` property
+     */
+    _resolveLocationSet(obj) {
+      this._validateLocationSet(obj);
+      if (this._resolved.has(obj.locationSetID))
+        return;
+      try {
+        const result = _loco.resolveLocationSet(obj.locationSet);
+        const locationSetID = result.id;
+        obj.locationSetID = locationSetID;
+        if (!result.feature.geometry.coordinates.length || !result.feature.properties.area) {
+          throw new Error(`locationSet ${locationSetID} resolves to an empty feature.`);
+        }
+        let geojson = JSON.parse(JSON.stringify(result.feature));
+        geojson.id = locationSetID;
+        geojson.properties.id = locationSetID;
+        this._resolved.set(locationSetID, geojson);
+      } catch (err) {
+        obj.locationSet = { include: ["Q2"] };
+        obj.locationSetID = "+[Q2]";
+      }
+    }
+    /**
+     * _rebuildIndex
+     * Rebuilds the whichPolygon index with whatever features have been resolved into GeoJSON.
+     */
+    _rebuildIndex() {
+      this._wp = (0, import_which_polygon2.default)({ features: [...this._resolved.values()] });
+    }
+    /**
+     * mergeCustomGeoJSON
+     * Accepts a FeatureCollection-like object containing custom locations
+     * Each feature must have a filename-like `id`, for example: `something.geojson`
+     * {
+     *   "type": "FeatureCollection"
+     *   "features": [
+     *     {
+     *       "type": "Feature",
+     *       "id": "philly_metro.geojson",
+     *       "properties": { … },
+     *       "geometry": { … }
+     *     }
+     *   ]
+     * }
+     *
+     * @param  `fc`  FeatureCollection-like Object containing custom locations
+     */
+    mergeCustomGeoJSON(fc) {
+      if (!fc || fc.type !== "FeatureCollection" || !Array.isArray(fc.features))
+        return;
+      fc.features.forEach((feature3) => {
+        feature3.properties = feature3.properties || {};
+        let props = feature3.properties;
+        let id2 = feature3.id || props.id;
+        if (!id2 || !/^\S+\.geojson$/i.test(id2))
+          return;
+        id2 = id2.toLowerCase();
+        feature3.id = id2;
+        props.id = id2;
+        if (!props.area) {
+          const area = import_geojson_area2.default.geometry(feature3.geometry) / 1e6;
+          props.area = Number(area.toFixed(2));
+        }
+        _loco._cache[id2] = feature3;
+      });
+    }
+    /**
+     * mergeLocationSets
+     * Accepts an Array of Objects containing `locationSet` properties:
+     * [
+     *  { id: 'preset1', locationSet: {…} },
+     *  { id: 'preset2', locationSet: {…} },
+     *  …
+     * ]
+     * After validating, the Objects will be decorated with a `locationSetID` property:
+     * [
+     *  { id: 'preset1', locationSet: {…}, locationSetID: '+[Q2]' },
+     *  { id: 'preset2', locationSet: {…}, locationSetID: '+[Q30]' },
+     *  …
+     * ]
+     *
+     * @param  `objects`  Objects to check - they should have `locationSet` property
+     * @return  Promise resolved true (this function used to be slow/async, now it's faster and sync)
+     */
+    mergeLocationSets(objects) {
+      if (!Array.isArray(objects))
+        return Promise.reject("nothing to do");
+      objects.forEach((obj) => this._validateLocationSet(obj));
+      this._rebuildIndex();
+      return Promise.resolve(objects);
+    }
+    /**
+     * locationSetID
+     * Returns a locationSetID for a given locationSet (fallback to `+[Q2]`, world)
+     * (The locationSet doesn't necessarily need to be resolved to compute its `id`)
+     *
+     * @param  `locationSet`  A locationSet Object, e.g. `{ include: ['us'] }`
+     * @return  String locationSetID, e.g. `+[Q30]`
+     */
+    locationSetID(locationSet) {
+      let locationSetID;
+      try {
+        locationSetID = _loco.validateLocationSet(locationSet).id;
+      } catch (err) {
+        locationSetID = "+[Q2]";
+      }
+      return locationSetID;
+    }
+    /**
+     * feature
+     * Returns the resolved GeoJSON feature for a given locationSetID (fallback to 'world')
+     * A GeoJSON feature:
+     * {
+     *   type: 'Feature',
+     *   id: '+[Q30]',
+     *   properties: { id: '+[Q30]', area: 21817019.17, … },
+     *   geometry: { … }
+     * }
+     *
+     * @param  `locationSetID`  String identifier, e.g. `+[Q30]`
+     * @return  GeoJSON object (fallback to world)
+     */
+    feature(locationSetID = "+[Q2]") {
+      const feature3 = this._resolved.get(locationSetID);
+      return feature3 || this._resolved.get("+[Q2]");
+    }
+    /**
+     * locationSetsAt
+     * Find all the locationSets valid at the given location.
+     * Results include the area (in km²) to facilitate sorting.
+     *
+     * Object of locationSetIDs to areas (in km²)
+     * {
+     *   "+[Q2]": 511207893.3958111,
+     *   "+[Q30]": 21817019.17,
+     *   "+[new_jersey.geojson]": 22390.77,
+     *   …
+     * }
+     *
+     * @param  `loc`  `[lon,lat]` location to query, e.g. `[-74.4813, 40.7967]`
+     * @return  Object of locationSetIDs valid at given location
+     */
+    locationSetsAt(loc) {
+      let result = {};
+      const hits = this._wp(loc, true) || [];
+      const thiz = this;
+      hits.forEach((prop) => {
+        if (prop.id[0] !== "+")
+          return;
+        const locationSetID = prop.id;
+        const area = thiz._knownLocationSets.get(locationSetID);
+        if (area) {
+          result[locationSetID] = area;
+        }
+      });
+      hits.forEach((prop) => {
+        if (prop.id[0] === "+")
+          return;
+        const locationID = prop.id;
+        const included = thiz._locationIncludedIn.get(locationID);
+        (included || []).forEach((locationSetID) => {
+          const area = thiz._knownLocationSets.get(locationSetID);
+          if (area) {
+            result[locationSetID] = area;
+          }
+        });
+      });
+      hits.forEach((prop) => {
+        if (prop.id[0] === "+")
+          return;
+        const locationID = prop.id;
+        const excluded = thiz._locationExcludedIn.get(locationID);
+        (excluded || []).forEach((locationSetID) => {
+          delete result[locationSetID];
+        });
+      });
+      return result;
+    }
+    // Direct access to the location-conflation resolver
+    loco() {
+      return _loco;
+    }
+  };
+  var _sharedLocationManager = new LocationManager();
+
+  // node_modules/lodash-es/_freeGlobal.js
+  var freeGlobal = typeof global == "object" && global && global.Object === Object && global;
+  var freeGlobal_default = freeGlobal;
+
+  // node_modules/lodash-es/_root.js
+  var freeSelf = typeof self == "object" && self && self.Object === Object && self;
+  var root2 = freeGlobal_default || freeSelf || Function("return this")();
+  var root_default = root2;
+
+  // node_modules/lodash-es/_Symbol.js
+  var Symbol2 = root_default.Symbol;
+  var Symbol_default = Symbol2;
+
+  // node_modules/lodash-es/_getRawTag.js
+  var objectProto = Object.prototype;
+  var hasOwnProperty = objectProto.hasOwnProperty;
+  var nativeObjectToString = objectProto.toString;
+  var symToStringTag = Symbol_default ? Symbol_default.toStringTag : void 0;
+  function getRawTag(value) {
+    var isOwn = hasOwnProperty.call(value, symToStringTag), tag = value[symToStringTag];
+    try {
+      value[symToStringTag] = void 0;
+      var unmasked = true;
+    } catch (e) {
+    }
+    var result = nativeObjectToString.call(value);
+    if (unmasked) {
+      if (isOwn) {
+        value[symToStringTag] = tag;
+      } else {
+        delete value[symToStringTag];
+      }
+    }
+    return result;
+  }
+  var getRawTag_default = getRawTag;
+
+  // node_modules/lodash-es/_objectToString.js
+  var objectProto2 = Object.prototype;
+  var nativeObjectToString2 = objectProto2.toString;
+  function objectToString(value) {
+    return nativeObjectToString2.call(value);
+  }
+  var objectToString_default = objectToString;
+
+  // node_modules/lodash-es/_baseGetTag.js
+  var nullTag = "[object Null]";
+  var undefinedTag = "[object Undefined]";
+  var symToStringTag2 = Symbol_default ? Symbol_default.toStringTag : void 0;
+  function baseGetTag(value) {
+    if (value == null) {
+      return value === void 0 ? undefinedTag : nullTag;
+    }
+    return symToStringTag2 && symToStringTag2 in Object(value) ? getRawTag_default(value) : objectToString_default(value);
+  }
+  var baseGetTag_default = baseGetTag;
+
+  // node_modules/lodash-es/isObjectLike.js
+  function isObjectLike(value) {
+    return value != null && typeof value == "object";
+  }
+  var isObjectLike_default = isObjectLike;
+
+  // node_modules/lodash-es/isSymbol.js
+  var symbolTag = "[object Symbol]";
+  function isSymbol(value) {
+    return typeof value == "symbol" || isObjectLike_default(value) && baseGetTag_default(value) == symbolTag;
+  }
+  var isSymbol_default = isSymbol;
+
+  // node_modules/lodash-es/_arrayMap.js
+  function arrayMap(array2, iteratee) {
+    var index = -1, length = array2 == null ? 0 : array2.length, result = Array(length);
+    while (++index < length) {
+      result[index] = iteratee(array2[index], index, array2);
+    }
+    return result;
+  }
+  var arrayMap_default = arrayMap;
+
+  // node_modules/lodash-es/isArray.js
+  var isArray = Array.isArray;
+  var isArray_default = isArray;
+
+  // node_modules/lodash-es/_baseToString.js
+  var INFINITY = 1 / 0;
+  var symbolProto = Symbol_default ? Symbol_default.prototype : void 0;
+  var symbolToString = symbolProto ? symbolProto.toString : void 0;
+  function baseToString(value) {
+    if (typeof value == "string") {
+      return value;
+    }
+    if (isArray_default(value)) {
+      return arrayMap_default(value, baseToString) + "";
+    }
+    if (isSymbol_default(value)) {
+      return symbolToString ? symbolToString.call(value) : "";
+    }
+    var result = value + "";
+    return result == "0" && 1 / value == -INFINITY ? "-0" : result;
+  }
+  var baseToString_default = baseToString;
+
+  // node_modules/lodash-es/_trimmedEndIndex.js
+  var reWhitespace = /\s/;
+  function trimmedEndIndex(string) {
+    var index = string.length;
+    while (index-- && reWhitespace.test(string.charAt(index))) {
+    }
+    return index;
+  }
+  var trimmedEndIndex_default = trimmedEndIndex;
+
+  // node_modules/lodash-es/_baseTrim.js
+  var reTrimStart = /^\s+/;
+  function baseTrim(string) {
+    return string ? string.slice(0, trimmedEndIndex_default(string) + 1).replace(reTrimStart, "") : string;
+  }
+  var baseTrim_default = baseTrim;
+
+  // node_modules/lodash-es/isObject.js
+  function isObject(value) {
+    var type2 = typeof value;
+    return value != null && (type2 == "object" || type2 == "function");
+  }
+  var isObject_default = isObject;
+
+  // node_modules/lodash-es/toNumber.js
+  var NAN = 0 / 0;
+  var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
+  var reIsBinary = /^0b[01]+$/i;
+  var reIsOctal = /^0o[0-7]+$/i;
+  var freeParseInt = parseInt;
+  function toNumber(value) {
+    if (typeof value == "number") {
+      return value;
+    }
+    if (isSymbol_default(value)) {
+      return NAN;
+    }
+    if (isObject_default(value)) {
+      var other = typeof value.valueOf == "function" ? value.valueOf() : value;
+      value = isObject_default(other) ? other + "" : other;
+    }
+    if (typeof value != "string") {
+      return value === 0 ? value : +value;
+    }
+    value = baseTrim_default(value);
+    var isBinary = reIsBinary.test(value);
+    return isBinary || reIsOctal.test(value) ? freeParseInt(value.slice(2), isBinary ? 2 : 8) : reIsBadHex.test(value) ? NAN : +value;
+  }
+  var toNumber_default = toNumber;
+
+  // node_modules/lodash-es/isFunction.js
+  var asyncTag = "[object AsyncFunction]";
+  var funcTag = "[object Function]";
+  var genTag = "[object GeneratorFunction]";
+  var proxyTag = "[object Proxy]";
+  function isFunction(value) {
+    if (!isObject_default(value)) {
+      return false;
+    }
+    var tag = baseGetTag_default(value);
+    return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
+  }
+  var isFunction_default = isFunction;
+
+  // node_modules/lodash-es/_coreJsData.js
+  var coreJsData = root_default["__core-js_shared__"];
+  var coreJsData_default = coreJsData;
+
+  // node_modules/lodash-es/_isMasked.js
+  var maskSrcKey = function() {
+    var uid = /[^.]+$/.exec(coreJsData_default && coreJsData_default.keys && coreJsData_default.keys.IE_PROTO || "");
+    return uid ? "Symbol(src)_1." + uid : "";
+  }();
+  function isMasked(func) {
+    return !!maskSrcKey && maskSrcKey in func;
+  }
+  var isMasked_default = isMasked;
+
+  // node_modules/lodash-es/_toSource.js
+  var funcProto = Function.prototype;
+  var funcToString = funcProto.toString;
+  function toSource(func) {
+    if (func != null) {
+      try {
+        return funcToString.call(func);
+      } catch (e) {
+      }
+      try {
+        return func + "";
+      } catch (e) {
+      }
+    }
+    return "";
+  }
+  var toSource_default = toSource;
+
+  // node_modules/lodash-es/_baseIsNative.js
+  var reRegExpChar = /[\\^$.*+?()[\]{}|]/g;
+  var reIsHostCtor = /^\[object .+?Constructor\]$/;
+  var funcProto2 = Function.prototype;
+  var objectProto3 = Object.prototype;
+  var funcToString2 = funcProto2.toString;
+  var hasOwnProperty2 = objectProto3.hasOwnProperty;
+  var reIsNative = RegExp(
+    "^" + funcToString2.call(hasOwnProperty2).replace(reRegExpChar, "\\$&").replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, "$1.*?") + "$"
+  );
+  function baseIsNative(value) {
+    if (!isObject_default(value) || isMasked_default(value)) {
+      return false;
+    }
+    var pattern = isFunction_default(value) ? reIsNative : reIsHostCtor;
+    return pattern.test(toSource_default(value));
+  }
+  var baseIsNative_default = baseIsNative;
+
+  // node_modules/lodash-es/_getValue.js
+  function getValue(object, key) {
+    return object == null ? void 0 : object[key];
+  }
+  var getValue_default = getValue;
+
+  // node_modules/lodash-es/_getNative.js
+  function getNative(object, key) {
+    var value = getValue_default(object, key);
+    return baseIsNative_default(value) ? value : void 0;
+  }
+  var getNative_default = getNative;
+
+  // node_modules/lodash-es/_WeakMap.js
+  var WeakMap = getNative_default(root_default, "WeakMap");
+  var WeakMap_default = WeakMap;
+
+  // node_modules/lodash-es/_isIndex.js
+  var MAX_SAFE_INTEGER = 9007199254740991;
+  var reIsUint = /^(?:0|[1-9]\d*)$/;
+  function isIndex(value, length) {
+    var type2 = typeof value;
+    length = length == null ? MAX_SAFE_INTEGER : length;
+    return !!length && (type2 == "number" || type2 != "symbol" && reIsUint.test(value)) && (value > -1 && value % 1 == 0 && value < length);
+  }
+  var isIndex_default = isIndex;
+
+  // node_modules/lodash-es/eq.js
+  function eq(value, other) {
+    return value === other || value !== value && other !== other;
+  }
+  var eq_default = eq;
+
+  // node_modules/lodash-es/isLength.js
+  var MAX_SAFE_INTEGER2 = 9007199254740991;
+  function isLength(value) {
+    return typeof value == "number" && value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER2;
+  }
+  var isLength_default = isLength;
+
+  // node_modules/lodash-es/isArrayLike.js
+  function isArrayLike(value) {
+    return value != null && isLength_default(value.length) && !isFunction_default(value);
+  }
+  var isArrayLike_default = isArrayLike;
+
+  // node_modules/lodash-es/_isPrototype.js
+  var objectProto4 = Object.prototype;
+  function isPrototype(value) {
+    var Ctor = value && value.constructor, proto = typeof Ctor == "function" && Ctor.prototype || objectProto4;
+    return value === proto;
+  }
+  var isPrototype_default = isPrototype;
+
+  // node_modules/lodash-es/_baseTimes.js
+  function baseTimes(n2, iteratee) {
+    var index = -1, result = Array(n2);
+    while (++index < n2) {
+      result[index] = iteratee(index);
+    }
+    return result;
+  }
+  var baseTimes_default = baseTimes;
+
+  // node_modules/lodash-es/_baseIsArguments.js
+  var argsTag = "[object Arguments]";
+  function baseIsArguments(value) {
+    return isObjectLike_default(value) && baseGetTag_default(value) == argsTag;
+  }
+  var baseIsArguments_default = baseIsArguments;
+
+  // node_modules/lodash-es/isArguments.js
+  var objectProto5 = Object.prototype;
+  var hasOwnProperty3 = objectProto5.hasOwnProperty;
+  var propertyIsEnumerable = objectProto5.propertyIsEnumerable;
+  var isArguments = baseIsArguments_default(function() {
+    return arguments;
+  }()) ? baseIsArguments_default : function(value) {
+    return isObjectLike_default(value) && hasOwnProperty3.call(value, "callee") && !propertyIsEnumerable.call(value, "callee");
+  };
+  var isArguments_default = isArguments;
+
+  // node_modules/lodash-es/stubFalse.js
+  function stubFalse() {
+    return false;
+  }
+  var stubFalse_default = stubFalse;
+
+  // node_modules/lodash-es/isBuffer.js
+  var freeExports = typeof exports == "object" && exports && !exports.nodeType && exports;
+  var freeModule = freeExports && typeof module == "object" && module && !module.nodeType && module;
+  var moduleExports = freeModule && freeModule.exports === freeExports;
+  var Buffer2 = moduleExports ? root_default.Buffer : void 0;
+  var nativeIsBuffer = Buffer2 ? Buffer2.isBuffer : void 0;
+  var isBuffer = nativeIsBuffer || stubFalse_default;
+  var isBuffer_default = isBuffer;
+
+  // node_modules/lodash-es/_baseIsTypedArray.js
+  var argsTag2 = "[object Arguments]";
+  var arrayTag = "[object Array]";
+  var boolTag = "[object Boolean]";
+  var dateTag = "[object Date]";
+  var errorTag = "[object Error]";
+  var funcTag2 = "[object Function]";
+  var mapTag = "[object Map]";
+  var numberTag = "[object Number]";
+  var objectTag = "[object Object]";
+  var regexpTag = "[object RegExp]";
+  var setTag = "[object Set]";
+  var stringTag = "[object String]";
+  var weakMapTag = "[object WeakMap]";
+  var arrayBufferTag = "[object ArrayBuffer]";
+  var dataViewTag = "[object DataView]";
+  var float32Tag = "[object Float32Array]";
+  var float64Tag = "[object Float64Array]";
+  var int8Tag = "[object Int8Array]";
+  var int16Tag = "[object Int16Array]";
+  var int32Tag = "[object Int32Array]";
+  var uint8Tag = "[object Uint8Array]";
+  var uint8ClampedTag = "[object Uint8ClampedArray]";
+  var uint16Tag = "[object Uint16Array]";
+  var uint32Tag = "[object Uint32Array]";
+  var typedArrayTags = {};
+  typedArrayTags[float32Tag] = typedArrayTags[float64Tag] = typedArrayTags[int8Tag] = typedArrayTags[int16Tag] = typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] = typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] = typedArrayTags[uint32Tag] = true;
+  typedArrayTags[argsTag2] = typedArrayTags[arrayTag] = typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] = typedArrayTags[dataViewTag] = typedArrayTags[dateTag] = typedArrayTags[errorTag] = typedArrayTags[funcTag2] = typedArrayTags[mapTag] = typedArrayTags[numberTag] = typedArrayTags[objectTag] = typedArrayTags[regexpTag] = typedArrayTags[setTag] = typedArrayTags[stringTag] = typedArrayTags[weakMapTag] = false;
+  function baseIsTypedArray(value) {
+    return isObjectLike_default(value) && isLength_default(value.length) && !!typedArrayTags[baseGetTag_default(value)];
+  }
+  var baseIsTypedArray_default = baseIsTypedArray;
+
+  // node_modules/lodash-es/_baseUnary.js
+  function baseUnary(func) {
+    return function(value) {
+      return func(value);
+    };
+  }
+  var baseUnary_default = baseUnary;
+
+  // node_modules/lodash-es/_nodeUtil.js
+  var freeExports2 = typeof exports == "object" && exports && !exports.nodeType && exports;
+  var freeModule2 = freeExports2 && typeof module == "object" && module && !module.nodeType && module;
+  var moduleExports2 = freeModule2 && freeModule2.exports === freeExports2;
+  var freeProcess = moduleExports2 && freeGlobal_default.process;
+  var nodeUtil = function() {
+    try {
+      var types = freeModule2 && freeModule2.require && freeModule2.require("util").types;
+      if (types) {
+        return types;
+      }
+      return freeProcess && freeProcess.binding && freeProcess.binding("util");
+    } catch (e) {
+    }
+  }();
+  var nodeUtil_default = nodeUtil;
+
+  // node_modules/lodash-es/isTypedArray.js
+  var nodeIsTypedArray = nodeUtil_default && nodeUtil_default.isTypedArray;
+  var isTypedArray = nodeIsTypedArray ? baseUnary_default(nodeIsTypedArray) : baseIsTypedArray_default;
+  var isTypedArray_default = isTypedArray;
+
+  // node_modules/lodash-es/_arrayLikeKeys.js
+  var objectProto6 = Object.prototype;
+  var hasOwnProperty4 = objectProto6.hasOwnProperty;
+  function arrayLikeKeys(value, inherited) {
+    var isArr = isArray_default(value), isArg = !isArr && isArguments_default(value), isBuff = !isArr && !isArg && isBuffer_default(value), isType = !isArr && !isArg && !isBuff && isTypedArray_default(value), skipIndexes = isArr || isArg || isBuff || isType, result = skipIndexes ? baseTimes_default(value.length, String) : [], length = result.length;
+    for (var key in value) {
+      if ((inherited || hasOwnProperty4.call(value, key)) && !(skipIndexes && // Safari 9 has enumerable `arguments.length` in strict mode.
+      (key == "length" || // Node.js 0.10 has enumerable non-index properties on buffers.
+      isBuff && (key == "offset" || key == "parent") || // PhantomJS 2 has enumerable non-index properties on typed arrays.
+      isType && (key == "buffer" || key == "byteLength" || key == "byteOffset") || // Skip index properties.
+      isIndex_default(key, length)))) {
+        result.push(key);
+      }
+    }
+    return result;
+  }
+  var arrayLikeKeys_default = arrayLikeKeys;
+
+  // node_modules/lodash-es/_overArg.js
+  function overArg(func, transform2) {
+    return function(arg) {
+      return func(transform2(arg));
+    };
+  }
+  var overArg_default = overArg;
+
+  // node_modules/lodash-es/_nativeKeys.js
+  var nativeKeys = overArg_default(Object.keys, Object);
+  var nativeKeys_default = nativeKeys;
+
+  // node_modules/lodash-es/_baseKeys.js
+  var objectProto7 = Object.prototype;
+  var hasOwnProperty5 = objectProto7.hasOwnProperty;
+  function baseKeys(object) {
+    if (!isPrototype_default(object)) {
+      return nativeKeys_default(object);
+    }
+    var result = [];
+    for (var key in Object(object)) {
+      if (hasOwnProperty5.call(object, key) && key != "constructor") {
+        result.push(key);
+      }
+    }
+    return result;
+  }
+  var baseKeys_default = baseKeys;
+
+  // node_modules/lodash-es/keys.js
+  function keys(object) {
+    return isArrayLike_default(object) ? arrayLikeKeys_default(object) : baseKeys_default(object);
+  }
+  var keys_default = keys;
+
+  // node_modules/lodash-es/_nativeCreate.js
+  var nativeCreate = getNative_default(Object, "create");
+  var nativeCreate_default = nativeCreate;
+
+  // node_modules/lodash-es/_hashClear.js
+  function hashClear() {
+    this.__data__ = nativeCreate_default ? nativeCreate_default(null) : {};
+    this.size = 0;
+  }
+  var hashClear_default = hashClear;
+
+  // node_modules/lodash-es/_hashDelete.js
+  function hashDelete(key) {
+    var result = this.has(key) && delete this.__data__[key];
+    this.size -= result ? 1 : 0;
+    return result;
+  }
+  var hashDelete_default = hashDelete;
+
+  // node_modules/lodash-es/_hashGet.js
+  var HASH_UNDEFINED = "__lodash_hash_undefined__";
+  var objectProto8 = Object.prototype;
+  var hasOwnProperty6 = objectProto8.hasOwnProperty;
+  function hashGet(key) {
+    var data = this.__data__;
+    if (nativeCreate_default) {
+      var result = data[key];
+      return result === HASH_UNDEFINED ? void 0 : result;
+    }
+    return hasOwnProperty6.call(data, key) ? data[key] : void 0;
+  }
+  var hashGet_default = hashGet;
+
+  // node_modules/lodash-es/_hashHas.js
+  var objectProto9 = Object.prototype;
+  var hasOwnProperty7 = objectProto9.hasOwnProperty;
+  function hashHas(key) {
+    var data = this.__data__;
+    return nativeCreate_default ? data[key] !== void 0 : hasOwnProperty7.call(data, key);
+  }
+  var hashHas_default = hashHas;
+
+  // node_modules/lodash-es/_hashSet.js
+  var HASH_UNDEFINED2 = "__lodash_hash_undefined__";
+  function hashSet(key, value) {
+    var data = this.__data__;
+    this.size += this.has(key) ? 0 : 1;
+    data[key] = nativeCreate_default && value === void 0 ? HASH_UNDEFINED2 : value;
+    return this;
+  }
+  var hashSet_default = hashSet;
+
+  // node_modules/lodash-es/_Hash.js
+  function Hash(entries) {
+    var index = -1, length = entries == null ? 0 : entries.length;
+    this.clear();
+    while (++index < length) {
+      var entry = entries[index];
+      this.set(entry[0], entry[1]);
+    }
+  }
+  Hash.prototype.clear = hashClear_default;
+  Hash.prototype["delete"] = hashDelete_default;
+  Hash.prototype.get = hashGet_default;
+  Hash.prototype.has = hashHas_default;
+  Hash.prototype.set = hashSet_default;
+  var Hash_default = Hash;
+
+  // node_modules/lodash-es/_listCacheClear.js
+  function listCacheClear() {
+    this.__data__ = [];
+    this.size = 0;
+  }
+  var listCacheClear_default = listCacheClear;
+
+  // node_modules/lodash-es/_assocIndexOf.js
+  function assocIndexOf(array2, key) {
+    var length = array2.length;
+    while (length--) {
+      if (eq_default(array2[length][0], key)) {
+        return length;
+      }
+    }
+    return -1;
+  }
+  var assocIndexOf_default = assocIndexOf;
+
+  // node_modules/lodash-es/_listCacheDelete.js
+  var arrayProto = Array.prototype;
+  var splice = arrayProto.splice;
+  function listCacheDelete(key) {
+    var data = this.__data__, index = assocIndexOf_default(data, key);
+    if (index < 0) {
+      return false;
+    }
+    var lastIndex = data.length - 1;
+    if (index == lastIndex) {
+      data.pop();
+    } else {
+      splice.call(data, index, 1);
+    }
+    --this.size;
+    return true;
+  }
+  var listCacheDelete_default = listCacheDelete;
+
+  // node_modules/lodash-es/_listCacheGet.js
+  function listCacheGet(key) {
+    var data = this.__data__, index = assocIndexOf_default(data, key);
+    return index < 0 ? void 0 : data[index][1];
+  }
+  var listCacheGet_default = listCacheGet;
+
+  // node_modules/lodash-es/_listCacheHas.js
+  function listCacheHas(key) {
+    return assocIndexOf_default(this.__data__, key) > -1;
+  }
+  var listCacheHas_default = listCacheHas;
+
+  // node_modules/lodash-es/_listCacheSet.js
+  function listCacheSet(key, value) {
+    var data = this.__data__, index = assocIndexOf_default(data, key);
+    if (index < 0) {
+      ++this.size;
+      data.push([key, value]);
+    } else {
+      data[index][1] = value;
+    }
+    return this;
+  }
+  var listCacheSet_default = listCacheSet;
+
+  // node_modules/lodash-es/_ListCache.js
+  function ListCache(entries) {
+    var index = -1, length = entries == null ? 0 : entries.length;
+    this.clear();
+    while (++index < length) {
+      var entry = entries[index];
+      this.set(entry[0], entry[1]);
+    }
+  }
+  ListCache.prototype.clear = listCacheClear_default;
+  ListCache.prototype["delete"] = listCacheDelete_default;
+  ListCache.prototype.get = listCacheGet_default;
+  ListCache.prototype.has = listCacheHas_default;
+  ListCache.prototype.set = listCacheSet_default;
+  var ListCache_default = ListCache;
+
+  // node_modules/lodash-es/_Map.js
+  var Map2 = getNative_default(root_default, "Map");
+  var Map_default = Map2;
+
+  // node_modules/lodash-es/_mapCacheClear.js
+  function mapCacheClear() {
+    this.size = 0;
+    this.__data__ = {
+      "hash": new Hash_default(),
+      "map": new (Map_default || ListCache_default)(),
+      "string": new Hash_default()
+    };
+  }
+  var mapCacheClear_default = mapCacheClear;
+
+  // node_modules/lodash-es/_isKeyable.js
+  function isKeyable(value) {
+    var type2 = typeof value;
+    return type2 == "string" || type2 == "number" || type2 == "symbol" || type2 == "boolean" ? value !== "__proto__" : value === null;
+  }
+  var isKeyable_default = isKeyable;
+
+  // node_modules/lodash-es/_getMapData.js
+  function getMapData(map2, key) {
+    var data = map2.__data__;
+    return isKeyable_default(key) ? data[typeof key == "string" ? "string" : "hash"] : data.map;
+  }
+  var getMapData_default = getMapData;
+
+  // node_modules/lodash-es/_mapCacheDelete.js
+  function mapCacheDelete(key) {
+    var result = getMapData_default(this, key)["delete"](key);
+    this.size -= result ? 1 : 0;
+    return result;
+  }
+  var mapCacheDelete_default = mapCacheDelete;
+
+  // node_modules/lodash-es/_mapCacheGet.js
+  function mapCacheGet(key) {
+    return getMapData_default(this, key).get(key);
+  }
+  var mapCacheGet_default = mapCacheGet;
+
+  // node_modules/lodash-es/_mapCacheHas.js
+  function mapCacheHas(key) {
+    return getMapData_default(this, key).has(key);
+  }
+  var mapCacheHas_default = mapCacheHas;
+
+  // node_modules/lodash-es/_mapCacheSet.js
+  function mapCacheSet(key, value) {
+    var data = getMapData_default(this, key), size = data.size;
+    data.set(key, value);
+    this.size += data.size == size ? 0 : 1;
+    return this;
+  }
+  var mapCacheSet_default = mapCacheSet;
+
+  // node_modules/lodash-es/_MapCache.js
+  function MapCache(entries) {
+    var index = -1, length = entries == null ? 0 : entries.length;
+    this.clear();
+    while (++index < length) {
+      var entry = entries[index];
+      this.set(entry[0], entry[1]);
+    }
+  }
+  MapCache.prototype.clear = mapCacheClear_default;
+  MapCache.prototype["delete"] = mapCacheDelete_default;
+  MapCache.prototype.get = mapCacheGet_default;
+  MapCache.prototype.has = mapCacheHas_default;
+  MapCache.prototype.set = mapCacheSet_default;
+  var MapCache_default = MapCache;
+
+  // node_modules/lodash-es/toString.js
+  function toString(value) {
+    return value == null ? "" : baseToString_default(value);
+  }
+  var toString_default = toString;
+
+  // node_modules/lodash-es/_arrayPush.js
+  function arrayPush(array2, values) {
+    var index = -1, length = values.length, offset = array2.length;
+    while (++index < length) {
+      array2[offset + index] = values[index];
+    }
+    return array2;
+  }
+  var arrayPush_default = arrayPush;
+
+  // node_modules/lodash-es/_basePropertyOf.js
+  function basePropertyOf(object) {
+    return function(key) {
+      return object == null ? void 0 : object[key];
+    };
+  }
+  var basePropertyOf_default = basePropertyOf;
+
+  // node_modules/lodash-es/_stackClear.js
+  function stackClear() {
+    this.__data__ = new ListCache_default();
+    this.size = 0;
+  }
+  var stackClear_default = stackClear;
+
+  // node_modules/lodash-es/_stackDelete.js
+  function stackDelete(key) {
+    var data = this.__data__, result = data["delete"](key);
+    this.size = data.size;
+    return result;
+  }
+  var stackDelete_default = stackDelete;
+
+  // node_modules/lodash-es/_stackGet.js
+  function stackGet(key) {
+    return this.__data__.get(key);
+  }
+  var stackGet_default = stackGet;
+
+  // node_modules/lodash-es/_stackHas.js
+  function stackHas(key) {
+    return this.__data__.has(key);
+  }
+  var stackHas_default = stackHas;
+
+  // node_modules/lodash-es/_stackSet.js
+  var LARGE_ARRAY_SIZE = 200;
+  function stackSet(key, value) {
+    var data = this.__data__;
+    if (data instanceof ListCache_default) {
+      var pairs = data.__data__;
+      if (!Map_default || pairs.length < LARGE_ARRAY_SIZE - 1) {
+        pairs.push([key, value]);
+        this.size = ++data.size;
+        return this;
+      }
+      data = this.__data__ = new MapCache_default(pairs);
+    }
+    data.set(key, value);
+    this.size = data.size;
+    return this;
+  }
+  var stackSet_default = stackSet;
+
+  // node_modules/lodash-es/_Stack.js
+  function Stack(entries) {
+    var data = this.__data__ = new ListCache_default(entries);
+    this.size = data.size;
+  }
+  Stack.prototype.clear = stackClear_default;
+  Stack.prototype["delete"] = stackDelete_default;
+  Stack.prototype.get = stackGet_default;
+  Stack.prototype.has = stackHas_default;
+  Stack.prototype.set = stackSet_default;
+  var Stack_default = Stack;
+
+  // node_modules/lodash-es/_arrayFilter.js
+  function arrayFilter(array2, predicate) {
+    var index = -1, length = array2 == null ? 0 : array2.length, resIndex = 0, result = [];
+    while (++index < length) {
+      var value = array2[index];
+      if (predicate(value, index, array2)) {
+        result[resIndex++] = value;
+      }
+    }
+    return result;
+  }
+  var arrayFilter_default = arrayFilter;
+
+  // node_modules/lodash-es/stubArray.js
+  function stubArray() {
+    return [];
+  }
+  var stubArray_default = stubArray;
+
+  // node_modules/lodash-es/_getSymbols.js
+  var objectProto10 = Object.prototype;
+  var propertyIsEnumerable2 = objectProto10.propertyIsEnumerable;
+  var nativeGetSymbols = Object.getOwnPropertySymbols;
+  var getSymbols = !nativeGetSymbols ? stubArray_default : function(object) {
+    if (object == null) {
+      return [];
+    }
+    object = Object(object);
+    return arrayFilter_default(nativeGetSymbols(object), function(symbol) {
+      return propertyIsEnumerable2.call(object, symbol);
+    });
+  };
+  var getSymbols_default = getSymbols;
+
+  // node_modules/lodash-es/_baseGetAllKeys.js
+  function baseGetAllKeys(object, keysFunc, symbolsFunc) {
+    var result = keysFunc(object);
+    return isArray_default(object) ? result : arrayPush_default(result, symbolsFunc(object));
+  }
+  var baseGetAllKeys_default = baseGetAllKeys;
+
+  // node_modules/lodash-es/_getAllKeys.js
+  function getAllKeys(object) {
+    return baseGetAllKeys_default(object, keys_default, getSymbols_default);
+  }
+  var getAllKeys_default = getAllKeys;
+
+  // node_modules/lodash-es/_DataView.js
+  var DataView2 = getNative_default(root_default, "DataView");
+  var DataView_default = DataView2;
+
+  // node_modules/lodash-es/_Promise.js
+  var Promise2 = getNative_default(root_default, "Promise");
+  var Promise_default = Promise2;
+
+  // node_modules/lodash-es/_Set.js
+  var Set2 = getNative_default(root_default, "Set");
+  var Set_default = Set2;
+
+  // node_modules/lodash-es/_getTag.js
+  var mapTag2 = "[object Map]";
+  var objectTag2 = "[object Object]";
+  var promiseTag = "[object Promise]";
+  var setTag2 = "[object Set]";
+  var weakMapTag2 = "[object WeakMap]";
+  var dataViewTag2 = "[object DataView]";
+  var dataViewCtorString = toSource_default(DataView_default);
+  var mapCtorString = toSource_default(Map_default);
+  var promiseCtorString = toSource_default(Promise_default);
+  var setCtorString = toSource_default(Set_default);
+  var weakMapCtorString = toSource_default(WeakMap_default);
+  var getTag = baseGetTag_default;
+  if (DataView_default && getTag(new DataView_default(new ArrayBuffer(1))) != dataViewTag2 || Map_default && getTag(new Map_default()) != mapTag2 || Promise_default && getTag(Promise_default.resolve()) != promiseTag || Set_default && getTag(new Set_default()) != setTag2 || WeakMap_default && getTag(new WeakMap_default()) != weakMapTag2) {
+    getTag = function(value) {
+      var result = baseGetTag_default(value), Ctor = result == objectTag2 ? value.constructor : void 0, ctorString = Ctor ? toSource_default(Ctor) : "";
+      if (ctorString) {
+        switch (ctorString) {
+          case dataViewCtorString:
+            return dataViewTag2;
+          case mapCtorString:
+            return mapTag2;
+          case promiseCtorString:
+            return promiseTag;
+          case setCtorString:
+            return setTag2;
+          case weakMapCtorString:
+            return weakMapTag2;
+        }
+      }
+      return result;
+    };
+  }
+  var getTag_default = getTag;
+
+  // node_modules/lodash-es/_Uint8Array.js
+  var Uint8Array2 = root_default.Uint8Array;
+  var Uint8Array_default = Uint8Array2;
+
+  // node_modules/lodash-es/_setCacheAdd.js
+  var HASH_UNDEFINED3 = "__lodash_hash_undefined__";
+  function setCacheAdd(value) {
+    this.__data__.set(value, HASH_UNDEFINED3);
+    return this;
+  }
+  var setCacheAdd_default = setCacheAdd;
+
+  // node_modules/lodash-es/_setCacheHas.js
+  function setCacheHas(value) {
+    return this.__data__.has(value);
+  }
+  var setCacheHas_default = setCacheHas;
+
+  // node_modules/lodash-es/_SetCache.js
+  function SetCache(values) {
+    var index = -1, length = values == null ? 0 : values.length;
+    this.__data__ = new MapCache_default();
+    while (++index < length) {
+      this.add(values[index]);
+    }
+  }
+  SetCache.prototype.add = SetCache.prototype.push = setCacheAdd_default;
+  SetCache.prototype.has = setCacheHas_default;
+  var SetCache_default = SetCache;
+
+  // node_modules/lodash-es/_arraySome.js
+  function arraySome(array2, predicate) {
+    var index = -1, length = array2 == null ? 0 : array2.length;
+    while (++index < length) {
+      if (predicate(array2[index], index, array2)) {
+        return true;
+      }
+    }
+    return false;
+  }
+  var arraySome_default = arraySome;
+
+  // node_modules/lodash-es/_cacheHas.js
+  function cacheHas(cache, key) {
+    return cache.has(key);
+  }
+  var cacheHas_default = cacheHas;
+
+  // node_modules/lodash-es/_equalArrays.js
+  var COMPARE_PARTIAL_FLAG = 1;
+  var COMPARE_UNORDERED_FLAG = 2;
+  function equalArrays(array2, other, bitmask, customizer, equalFunc, stack) {
+    var isPartial = bitmask & COMPARE_PARTIAL_FLAG, arrLength = array2.length, othLength = other.length;
+    if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
+      return false;
+    }
+    var arrStacked = stack.get(array2);
+    var othStacked = stack.get(other);
+    if (arrStacked && othStacked) {
+      return arrStacked == other && othStacked == array2;
+    }
+    var index = -1, result = true, seen = bitmask & COMPARE_UNORDERED_FLAG ? new SetCache_default() : void 0;
+    stack.set(array2, other);
+    stack.set(other, array2);
+    while (++index < arrLength) {
+      var arrValue = array2[index], othValue = other[index];
+      if (customizer) {
+        var compared = isPartial ? customizer(othValue, arrValue, index, other, array2, stack) : customizer(arrValue, othValue, index, array2, other, stack);
+      }
+      if (compared !== void 0) {
+        if (compared) {
+          continue;
+        }
+        result = false;
+        break;
+      }
+      if (seen) {
+        if (!arraySome_default(other, function(othValue2, othIndex) {
+          if (!cacheHas_default(seen, othIndex) && (arrValue === othValue2 || equalFunc(arrValue, othValue2, bitmask, customizer, stack))) {
+            return seen.push(othIndex);
+          }
+        })) {
+          result = false;
+          break;
+        }
+      } else if (!(arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
+        result = false;
+        break;
+      }
+    }
+    stack["delete"](array2);
+    stack["delete"](other);
+    return result;
+  }
+  var equalArrays_default = equalArrays;
+
+  // node_modules/lodash-es/_mapToArray.js
+  function mapToArray(map2) {
+    var index = -1, result = Array(map2.size);
+    map2.forEach(function(value, key) {
+      result[++index] = [key, value];
+    });
+    return result;
+  }
+  var mapToArray_default = mapToArray;
+
+  // node_modules/lodash-es/_setToArray.js
+  function setToArray(set3) {
+    var index = -1, result = Array(set3.size);
+    set3.forEach(function(value) {
+      result[++index] = value;
+    });
+    return result;
+  }
+  var setToArray_default = setToArray;
+
+  // node_modules/lodash-es/_equalByTag.js
+  var COMPARE_PARTIAL_FLAG2 = 1;
+  var COMPARE_UNORDERED_FLAG2 = 2;
+  var boolTag2 = "[object Boolean]";
+  var dateTag2 = "[object Date]";
+  var errorTag2 = "[object Error]";
+  var mapTag3 = "[object Map]";
+  var numberTag2 = "[object Number]";
+  var regexpTag2 = "[object RegExp]";
+  var setTag3 = "[object Set]";
+  var stringTag2 = "[object String]";
+  var symbolTag2 = "[object Symbol]";
+  var arrayBufferTag2 = "[object ArrayBuffer]";
+  var dataViewTag3 = "[object DataView]";
+  var symbolProto2 = Symbol_default ? Symbol_default.prototype : void 0;
+  var symbolValueOf = symbolProto2 ? symbolProto2.valueOf : void 0;
+  function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
+    switch (tag) {
+      case dataViewTag3:
+        if (object.byteLength != other.byteLength || object.byteOffset != other.byteOffset) {
+          return false;
+        }
+        object = object.buffer;
+        other = other.buffer;
+      case arrayBufferTag2:
+        if (object.byteLength != other.byteLength || !equalFunc(new Uint8Array_default(object), new Uint8Array_default(other))) {
+          return false;
+        }
+        return true;
+      case boolTag2:
+      case dateTag2:
+      case numberTag2:
+        return eq_default(+object, +other);
+      case errorTag2:
+        return object.name == other.name && object.message == other.message;
+      case regexpTag2:
+      case stringTag2:
+        return object == other + "";
+      case mapTag3:
+        var convert = mapToArray_default;
+      case setTag3:
+        var isPartial = bitmask & COMPARE_PARTIAL_FLAG2;
+        convert || (convert = setToArray_default);
+        if (object.size != other.size && !isPartial) {
+          return false;
+        }
+        var stacked = stack.get(object);
+        if (stacked) {
+          return stacked == other;
+        }
+        bitmask |= COMPARE_UNORDERED_FLAG2;
+        stack.set(object, other);
+        var result = equalArrays_default(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
+        stack["delete"](object);
+        return result;
+      case symbolTag2:
+        if (symbolValueOf) {
+          return symbolValueOf.call(object) == symbolValueOf.call(other);
+        }
+    }
+    return false;
+  }
+  var equalByTag_default = equalByTag;
+
+  // node_modules/lodash-es/_equalObjects.js
+  var COMPARE_PARTIAL_FLAG3 = 1;
+  var objectProto11 = Object.prototype;
+  var hasOwnProperty8 = objectProto11.hasOwnProperty;
+  function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
+    var isPartial = bitmask & COMPARE_PARTIAL_FLAG3, objProps = getAllKeys_default(object), objLength = objProps.length, othProps = getAllKeys_default(other), othLength = othProps.length;
+    if (objLength != othLength && !isPartial) {
+      return false;
+    }
+    var index = objLength;
+    while (index--) {
+      var key = objProps[index];
+      if (!(isPartial ? key in other : hasOwnProperty8.call(other, key))) {
+        return false;
+      }
+    }
+    var objStacked = stack.get(object);
+    var othStacked = stack.get(other);
+    if (objStacked && othStacked) {
+      return objStacked == other && othStacked == object;
+    }
+    var result = true;
+    stack.set(object, other);
+    stack.set(other, object);
+    var skipCtor = isPartial;
+    while (++index < objLength) {
+      key = objProps[index];
+      var objValue = object[key], othValue = other[key];
+      if (customizer) {
+        var compared = isPartial ? customizer(othValue, objValue, key, other, object, stack) : customizer(objValue, othValue, key, object, other, stack);
+      }
+      if (!(compared === void 0 ? objValue === othValue || equalFunc(objValue, othValue, bitmask, customizer, stack) : compared)) {
+        result = false;
+        break;
+      }
+      skipCtor || (skipCtor = key == "constructor");
+    }
+    if (result && !skipCtor) {
+      var objCtor = object.constructor, othCtor = other.constructor;
+      if (objCtor != othCtor && ("constructor" in object && "constructor" in other) && !(typeof objCtor == "function" && objCtor instanceof objCtor && typeof othCtor == "function" && othCtor instanceof othCtor)) {
+        result = false;
+      }
+    }
+    stack["delete"](object);
+    stack["delete"](other);
+    return result;
+  }
+  var equalObjects_default = equalObjects;
+
+  // node_modules/lodash-es/_baseIsEqualDeep.js
+  var COMPARE_PARTIAL_FLAG4 = 1;
+  var argsTag3 = "[object Arguments]";
+  var arrayTag2 = "[object Array]";
+  var objectTag3 = "[object Object]";
+  var objectProto12 = Object.prototype;
+  var hasOwnProperty9 = objectProto12.hasOwnProperty;
+  function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
+    var objIsArr = isArray_default(object), othIsArr = isArray_default(other), objTag = objIsArr ? arrayTag2 : getTag_default(object), othTag = othIsArr ? arrayTag2 : getTag_default(other);
+    objTag = objTag == argsTag3 ? objectTag3 : objTag;
+    othTag = othTag == argsTag3 ? objectTag3 : othTag;
+    var objIsObj = objTag == objectTag3, othIsObj = othTag == objectTag3, isSameTag = objTag == othTag;
+    if (isSameTag && isBuffer_default(object)) {
+      if (!isBuffer_default(other)) {
+        return false;
+      }
+      objIsArr = true;
+      objIsObj = false;
+    }
+    if (isSameTag && !objIsObj) {
+      stack || (stack = new Stack_default());
+      return objIsArr || isTypedArray_default(object) ? equalArrays_default(object, other, bitmask, customizer, equalFunc, stack) : equalByTag_default(object, other, objTag, bitmask, customizer, equalFunc, stack);
+    }
+    if (!(bitmask & COMPARE_PARTIAL_FLAG4)) {
+      var objIsWrapped = objIsObj && hasOwnProperty9.call(object, "__wrapped__"), othIsWrapped = othIsObj && hasOwnProperty9.call(other, "__wrapped__");
+      if (objIsWrapped || othIsWrapped) {
+        var objUnwrapped = objIsWrapped ? object.value() : object, othUnwrapped = othIsWrapped ? other.value() : other;
+        stack || (stack = new Stack_default());
+        return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
+      }
+    }
+    if (!isSameTag) {
+      return false;
+    }
+    stack || (stack = new Stack_default());
+    return equalObjects_default(object, other, bitmask, customizer, equalFunc, stack);
+  }
+  var baseIsEqualDeep_default = baseIsEqualDeep;
+
+  // node_modules/lodash-es/_baseIsEqual.js
+  function baseIsEqual(value, other, bitmask, customizer, stack) {
+    if (value === other) {
+      return true;
+    }
+    if (value == null || other == null || !isObjectLike_default(value) && !isObjectLike_default(other)) {
+      return value !== value && other !== other;
+    }
+    return baseIsEqualDeep_default(value, other, bitmask, customizer, baseIsEqual, stack);
+  }
+  var baseIsEqual_default = baseIsEqual;
+
+  // node_modules/lodash-es/now.js
+  var now2 = function() {
+    return root_default.Date.now();
+  };
+  var now_default = now2;
+
+  // node_modules/lodash-es/debounce.js
+  var FUNC_ERROR_TEXT = "Expected a function";
+  var nativeMax = Math.max;
+  var nativeMin = Math.min;
+  function debounce(func, wait, options2) {
+    var lastArgs, lastThis, maxWait, result, timerId, lastCallTime, lastInvokeTime = 0, leading = false, maxing = false, trailing = true;
+    if (typeof func != "function") {
+      throw new TypeError(FUNC_ERROR_TEXT);
+    }
+    wait = toNumber_default(wait) || 0;
+    if (isObject_default(options2)) {
+      leading = !!options2.leading;
+      maxing = "maxWait" in options2;
+      maxWait = maxing ? nativeMax(toNumber_default(options2.maxWait) || 0, wait) : maxWait;
+      trailing = "trailing" in options2 ? !!options2.trailing : trailing;
+    }
+    function invokeFunc(time) {
+      var args = lastArgs, thisArg = lastThis;
+      lastArgs = lastThis = void 0;
+      lastInvokeTime = time;
+      result = func.apply(thisArg, args);
+      return result;
+    }
+    function leadingEdge(time) {
+      lastInvokeTime = time;
+      timerId = setTimeout(timerExpired, wait);
+      return leading ? invokeFunc(time) : result;
+    }
+    function remainingWait(time) {
+      var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime, timeWaiting = wait - timeSinceLastCall;
+      return maxing ? nativeMin(timeWaiting, maxWait - timeSinceLastInvoke) : timeWaiting;
+    }
+    function shouldInvoke(time) {
+      var timeSinceLastCall = time - lastCallTime, timeSinceLastInvoke = time - lastInvokeTime;
+      return lastCallTime === void 0 || timeSinceLastCall >= wait || timeSinceLastCall < 0 || maxing && timeSinceLastInvoke >= maxWait;
+    }
+    function timerExpired() {
+      var time = now_default();
+      if (shouldInvoke(time)) {
+        return trailingEdge(time);
+      }
+      timerId = setTimeout(timerExpired, remainingWait(time));
+    }
+    function trailingEdge(time) {
+      timerId = void 0;
+      if (trailing && lastArgs) {
+        return invokeFunc(time);
+      }
+      lastArgs = lastThis = void 0;
+      return result;
+    }
+    function cancel() {
+      if (timerId !== void 0) {
+        clearTimeout(timerId);
+      }
+      lastInvokeTime = 0;
+      lastArgs = lastCallTime = lastThis = timerId = void 0;
+    }
+    function flush() {
+      return timerId === void 0 ? result : trailingEdge(now_default());
+    }
+    function debounced() {
+      var time = now_default(), isInvoking = shouldInvoke(time);
+      lastArgs = arguments;
+      lastThis = this;
+      lastCallTime = time;
+      if (isInvoking) {
+        if (timerId === void 0) {
+          return leadingEdge(lastCallTime);
+        }
+        if (maxing) {
+          clearTimeout(timerId);
+          timerId = setTimeout(timerExpired, wait);
+          return invokeFunc(lastCallTime);
+        }
+      }
+      if (timerId === void 0) {
+        timerId = setTimeout(timerExpired, wait);
+      }
+      return result;
+    }
+    debounced.cancel = cancel;
+    debounced.flush = flush;
+    return debounced;
+  }
+  var debounce_default = debounce;
+
+  // node_modules/lodash-es/_escapeHtmlChar.js
+  var htmlEscapes = {
+    "&": "&amp;",
+    "<": "&lt;",
+    ">": "&gt;",
+    '"': "&quot;",
+    "'": "&#39;"
+  };
+  var escapeHtmlChar = basePropertyOf_default(htmlEscapes);
+  var escapeHtmlChar_default = escapeHtmlChar;
+
+  // node_modules/lodash-es/escape.js
+  var reUnescapedHtml = /[&<>"']/g;
+  var reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+  function escape2(string) {
+    string = toString_default(string);
+    return string && reHasUnescapedHtml.test(string) ? string.replace(reUnescapedHtml, escapeHtmlChar_default) : string;
+  }
+  var escape_default = escape2;
+
+  // node_modules/lodash-es/isEqual.js
+  function isEqual(value, other) {
+    return baseIsEqual_default(value, other);
+  }
+  var isEqual_default = isEqual;
+
+  // node_modules/lodash-es/throttle.js
+  var FUNC_ERROR_TEXT2 = "Expected a function";
+  function throttle(func, wait, options2) {
+    var leading = true, trailing = true;
+    if (typeof func != "function") {
+      throw new TypeError(FUNC_ERROR_TEXT2);
+    }
+    if (isObject_default(options2)) {
+      leading = "leading" in options2 ? !!options2.leading : leading;
+      trailing = "trailing" in options2 ? !!options2.trailing : trailing;
+    }
+    return debounce_default(func, wait, {
+      "leading": leading,
+      "maxWait": wait,
+      "trailing": trailing
+    });
+  }
+  var throttle_default = throttle;
+
+  // node_modules/lodash-es/_unescapeHtmlChar.js
+  var htmlUnescapes = {
+    "&amp;": "&",
+    "&lt;": "<",
+    "&gt;": ">",
+    "&quot;": '"',
+    "&#39;": "'"
+  };
+  var unescapeHtmlChar = basePropertyOf_default(htmlUnescapes);
+  var unescapeHtmlChar_default = unescapeHtmlChar;
+
+  // node_modules/lodash-es/unescape.js
+  var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g;
+  var reHasEscapedHtml = RegExp(reEscapedHtml.source);
+  function unescape2(string) {
+    string = toString_default(string);
+    return string && reHasEscapedHtml.test(string) ? string.replace(reEscapedHtml, unescapeHtmlChar_default) : string;
+  }
+  var unescape_default = unescape2;
+
+  // modules/util/detect.js
+  var _detected;
+  function utilDetect(refresh2) {
+    if (_detected && !refresh2)
+      return _detected;
+    _detected = {};
+    const ua = navigator.userAgent;
+    let m = null;
+    m = ua.match(/(edge)\/?\s*(\.?\d+(\.\d+)*)/i);
+    if (m !== null) {
+      _detected.browser = m[1];
+      _detected.version = m[2];
+    }
+    if (!_detected.browser) {
+      m = ua.match(/Trident\/.*rv:([0-9]{1,}[\.0-9]{0,})/i);
+      if (m !== null) {
+        _detected.browser = "msie";
+        _detected.version = m[1];
+      }
+    }
+    if (!_detected.browser) {
+      m = ua.match(/(opr)\/?\s*(\.?\d+(\.\d+)*)/i);
+      if (m !== null) {
+        _detected.browser = "Opera";
+        _detected.version = m[2];
+      }
+    }
+    if (!_detected.browser) {
+      m = ua.match(/(opera|chrome|safari|firefox|msie)\/?\s*(\.?\d+(\.\d+)*)/i);
+      if (m !== null) {
+        _detected.browser = m[1];
+        _detected.version = m[2];
+        m = ua.match(/version\/([\.\d]+)/i);
+        if (m !== null)
+          _detected.version = m[1];
+      }
+    }
+    if (!_detected.browser) {
+      _detected.browser = navigator.appName;
+      _detected.version = navigator.appVersion;
+    }
+    _detected.version = _detected.version.split(/\W/).slice(0, 2).join(".");
+    _detected.opera = _detected.browser.toLowerCase() === "opera" && Number(_detected.version) < 15;
+    if (_detected.browser.toLowerCase() === "msie") {
+      _detected.ie = true;
+      _detected.browser = "Internet Explorer";
+      _detected.support = false;
+    } else {
+      _detected.ie = false;
+      _detected.support = true;
+    }
+    _detected.filedrop = window.FileReader && "ondrop" in window;
+    if (/Win/.test(ua)) {
+      _detected.os = "win";
+      _detected.platform = "Windows";
+    } else if (/Mac/.test(ua)) {
+      _detected.os = "mac";
+      _detected.platform = "Macintosh";
+    } else if (/X11/.test(ua) || /Linux/.test(ua)) {
+      _detected.os = "linux";
+      _detected.platform = "Linux";
+    } else {
+      _detected.os = "win";
+      _detected.platform = "Unknown";
+    }
+    _detected.isMobileWebKit = (/\b(iPad|iPhone|iPod)\b/.test(ua) || // HACK: iPadOS 13+ requests desktop sites by default by using a Mac user agent,
+    // so assume any "mac" with multitouch is actually iOS
+    navigator.platform === "MacIntel" && "maxTouchPoints" in navigator && navigator.maxTouchPoints > 1) && /WebKit/.test(ua) && !/Edge/.test(ua) && !window.MSStream;
+    _detected.browserLocales = Array.from(new Set(
+      // remove duplicates
+      [navigator.language].concat(navigator.languages || []).concat([
+        // old property for backwards compatibility
+        navigator.userLanguage
+      ]).filter(Boolean)
+    ));
+    const loc = window.top.location;
+    let origin = loc.origin;
+    if (!origin) {
+      origin = loc.protocol + "//" + loc.hostname + (loc.port ? ":" + loc.port : "");
+    }
+    _detected.host = origin + loc.pathname;
+    return _detected;
+  }
+
+  // modules/util/aes.js
+  var import_aes_js = __toESM(require_aes_js());
+  var DEFAULT_128 = [250, 157, 60, 79, 142, 134, 229, 129, 138, 126, 210, 129, 29, 71, 160, 208];
+  function utilAesEncrypt(text2, key) {
+    key = key || DEFAULT_128;
+    const textBytes = import_aes_js.default.utils.utf8.toBytes(text2);
+    const aesCtr = new import_aes_js.default.ModeOfOperation.ctr(key);
+    const encryptedBytes = aesCtr.encrypt(textBytes);
+    const encryptedHex = import_aes_js.default.utils.hex.fromBytes(encryptedBytes);
+    return encryptedHex;
+  }
+  function utilAesDecrypt(encryptedHex, key) {
+    key = key || DEFAULT_128;
+    const encryptedBytes = import_aes_js.default.utils.hex.toBytes(encryptedHex);
+    const aesCtr = new import_aes_js.default.ModeOfOperation.ctr(key);
+    const decryptedBytes = aesCtr.decrypt(encryptedBytes);
+    const text2 = import_aes_js.default.utils.utf8.fromBytes(decryptedBytes);
+    return text2;
+  }
+
+  // modules/util/clean_tags.js
+  function utilCleanTags(tags) {
+    var out = {};
+    for (var k in tags) {
+      if (!k)
+        continue;
+      var v = tags[k];
+      if (v !== void 0) {
+        out[k] = cleanValue(k, v);
+      }
+    }
+    return out;
+    function cleanValue(k2, v2) {
+      function keepSpaces(k3) {
+        return /_hours|_times|:conditional$/.test(k3);
+      }
+      function skip(k3) {
+        return /^(description|note|fixme)$/.test(k3);
+      }
+      if (skip(k2))
+        return v2;
+      var cleaned = v2.split(";").map(function(s) {
+        return s.trim();
+      }).join(keepSpaces(k2) ? "; " : ";");
+      if (k2.indexOf("website") !== -1 || k2.indexOf("email") !== -1 || cleaned.indexOf("http") === 0) {
+        cleaned = cleaned.replace(/[\u200B-\u200F\uFEFF]/g, "");
+      }
+      return cleaned;
+    }
+  }
+
+  // modules/util/get_set_value.js
+  function utilGetSetValue(selection2, value, shouldUpdate) {
+    function setValue(value2, shouldUpdate2) {
+      function valueNull() {
+        delete this.value;
+      }
+      function valueConstant() {
+        if (shouldUpdate2(this.value, value2)) {
+          this.value = value2;
+        }
+      }
+      function valueFunction() {
+        var x = value2.apply(this, arguments);
+        if (x === null || x === void 0) {
+          delete this.value;
+        } else if (shouldUpdate2(this.value, x)) {
+          this.value = x;
+        }
+      }
+      return value2 === null || value2 === void 0 ? valueNull : typeof value2 === "function" ? valueFunction : valueConstant;
+    }
+    function stickyCursor(func) {
+      const supportedTypes = ["text", "search", "url", "tel", "password"];
+      return function() {
+        if (!supportedTypes.includes(this.type)) {
+          return;
+        }
+        const cursor = { start: this.selectionStart, end: this.selectionEnd };
+        func.apply(this, arguments);
+        this.setSelectionRange(cursor.start, cursor.end);
+      };
+    }
+    if (arguments.length === 1) {
+      return selection2.property("value");
+    }
+    if (shouldUpdate === void 0) {
+      shouldUpdate = (a, b) => a !== b;
+    }
+    return selection2.each(stickyCursor(setValue(value, shouldUpdate)));
+  }
+
+  // modules/util/keybinding.js
+  function utilKeybinding(namespace) {
+    var _keybindings = {};
+    function testBindings(d3_event, isCapturing) {
+      var didMatch = false;
+      var bindings = Object.keys(_keybindings).map(function(id2) {
+        return _keybindings[id2];
+      });
+      var i2, binding;
+      for (i2 = 0; i2 < bindings.length; i2++) {
+        binding = bindings[i2];
+        if (!binding.event.modifiers.shiftKey)
+          continue;
+        if (!!binding.capture !== isCapturing)
+          continue;
+        if (matches(d3_event, binding, true)) {
+          binding.callback(d3_event);
+          didMatch = true;
+          break;
+        }
+      }
+      if (didMatch)
+        return;
+      for (i2 = 0; i2 < bindings.length; i2++) {
+        binding = bindings[i2];
+        if (binding.event.modifiers.shiftKey)
+          continue;
+        if (!!binding.capture !== isCapturing)
+          continue;
+        if (matches(d3_event, binding, false)) {
+          binding.callback(d3_event);
+          break;
+        }
+      }
+      function matches(d3_event2, binding2, testShift) {
+        var event = d3_event2;
+        var isMatch = false;
+        var tryKeyCode = true;
+        if (event.key !== void 0) {
+          tryKeyCode = event.key.charCodeAt(0) > 127;
+          isMatch = true;
+          if (binding2.event.key === void 0) {
+            isMatch = false;
+          } else if (Array.isArray(binding2.event.key)) {
+            if (binding2.event.key.map(function(s) {
+              return s.toLowerCase();
+            }).indexOf(event.key.toLowerCase()) === -1) {
+              isMatch = false;
+            }
+          } else {
+            if (event.key.toLowerCase() !== binding2.event.key.toLowerCase()) {
+              isMatch = false;
+            }
+          }
+        }
+        if (!isMatch && (tryKeyCode || binding2.event.modifiers.altKey)) {
+          isMatch = event.keyCode === binding2.event.keyCode;
+        }
+        if (!isMatch)
+          return false;
+        if (!(event.ctrlKey && event.altKey)) {
+          if (event.ctrlKey !== binding2.event.modifiers.ctrlKey)
+            return false;
+          if (event.altKey !== binding2.event.modifiers.altKey)
+            return false;
+        }
+        if (event.metaKey !== binding2.event.modifiers.metaKey)
+          return false;
+        if (testShift && event.shiftKey !== binding2.event.modifiers.shiftKey)
+          return false;
+        return true;
+      }
+    }
+    function capture(d3_event) {
+      testBindings(d3_event, true);
+    }
+    function bubble(d3_event) {
+      var tagName = select_default2(d3_event.target).node().tagName;
+      if (tagName === "INPUT" || tagName === "SELECT" || tagName === "TEXTAREA") {
+        return;
+      }
+      testBindings(d3_event, false);
+    }
+    function keybinding(selection2) {
+      selection2 = selection2 || select_default2(document);
+      selection2.on("keydown.capture." + namespace, capture, true);
+      selection2.on("keydown.bubble." + namespace, bubble, false);
+      return keybinding;
+    }
+    keybinding.unbind = function(selection2) {
+      _keybindings = [];
+      selection2 = selection2 || select_default2(document);
+      selection2.on("keydown.capture." + namespace, null);
+      selection2.on("keydown.bubble." + namespace, null);
+      return keybinding;
+    };
+    keybinding.clear = function() {
+      _keybindings = {};
+      return keybinding;
+    };
+    keybinding.off = function(codes, capture2) {
+      var arr = utilArrayUniq([].concat(codes));
+      for (var i2 = 0; i2 < arr.length; i2++) {
+        var id2 = arr[i2] + (capture2 ? "-capture" : "-bubble");
+        delete _keybindings[id2];
+      }
+      return keybinding;
+    };
+    keybinding.on = function(codes, callback, capture2) {
+      if (typeof callback !== "function") {
+        return keybinding.off(codes, capture2);
+      }
+      var arr = utilArrayUniq([].concat(codes));
+      for (var i2 = 0; i2 < arr.length; i2++) {
+        var id2 = arr[i2] + (capture2 ? "-capture" : "-bubble");
+        var binding = {
+          id: id2,
+          capture: capture2,
+          callback,
+          event: {
+            key: void 0,
+            // preferred
+            keyCode: 0,
+            // fallback
+            modifiers: {
+              shiftKey: false,
+              ctrlKey: false,
+              altKey: false,
+              metaKey: false
+            }
+          }
+        };
+        if (_keybindings[id2]) {
+          console.warn('warning: duplicate keybinding for "' + id2 + '"');
+        }
+        _keybindings[id2] = binding;
+        var matches = arr[i2].toLowerCase().match(/(?:(?:[^+⇧⌃⌥⌘])+|[⇧⌃⌥⌘]|\+\+|^\+$)/g);
+        for (var j2 = 0; j2 < matches.length; j2++) {
+          if (matches[j2] === "++")
+            matches[j2] = "+";
+          if (matches[j2] in utilKeybinding.modifierCodes) {
+            var prop = utilKeybinding.modifierProperties[utilKeybinding.modifierCodes[matches[j2]]];
+            binding.event.modifiers[prop] = true;
+          } else {
+            binding.event.key = utilKeybinding.keys[matches[j2]] || matches[j2];
+            if (matches[j2] in utilKeybinding.keyCodes) {
+              binding.event.keyCode = utilKeybinding.keyCodes[matches[j2]];
+            }
+          }
+        }
+      }
+      return keybinding;
+    };
+    return keybinding;
+  }
+  utilKeybinding.modifierCodes = {
+    // Shift key, ⇧
+    "\u21E7": 16,
+    shift: 16,
+    // CTRL key, on Mac: ⌃
+    "\u2303": 17,
+    ctrl: 17,
+    // ALT key, on Mac: ⌥ (Alt)
+    "\u2325": 18,
+    alt: 18,
+    option: 18,
+    // META, on Mac: ⌘ (CMD), on Windows (Win), on Linux (Super)
+    "\u2318": 91,
+    meta: 91,
+    cmd: 91,
+    "super": 91,
+    win: 91
+  };
+  utilKeybinding.modifierProperties = {
+    16: "shiftKey",
+    17: "ctrlKey",
+    18: "altKey",
+    91: "metaKey"
+  };
+  utilKeybinding.plusKeys = ["plus", "ffplus", "=", "ffequals", "\u2260", "\xB1"];
+  utilKeybinding.minusKeys = ["_", "-", "ffminus", "dash", "\u2013", "\u2014"];
+  utilKeybinding.keys = {
+    // Backspace key, on Mac: ⌫ (Backspace)
+    "\u232B": "Backspace",
+    backspace: "Backspace",
+    // Tab Key, on Mac: ⇥ (Tab), on Windows ⇥⇥
+    "\u21E5": "Tab",
+    "\u21C6": "Tab",
+    tab: "Tab",
+    // Return key, ↩
+    "\u21A9": "Enter",
+    "\u21B5": "Enter",
+    "\u23CE": "Enter",
+    "return": "Enter",
+    enter: "Enter",
+    "\u2305": "Enter",
+    // Pause/Break key
+    "pause": "Pause",
+    "pause-break": "Pause",
+    // Caps Lock key, ⇪
+    "\u21EA": "CapsLock",
+    caps: "CapsLock",
+    "caps-lock": "CapsLock",
+    // Escape key, on Mac: ⎋, on Windows: Esc
+    "\u238B": ["Escape", "Esc"],
+    escape: ["Escape", "Esc"],
+    esc: ["Escape", "Esc"],
+    // Space key
+    space: [" ", "Spacebar"],
+    // Page-Up key, or pgup, on Mac: ↖
+    "\u2196": "PageUp",
+    pgup: "PageUp",
+    "page-up": "PageUp",
+    // Page-Down key, or pgdown, on Mac: ↘
+    "\u2198": "PageDown",
+    pgdown: "PageDown",
+    "page-down": "PageDown",
+    // END key, on Mac: ⇟
+    "\u21DF": "End",
+    end: "End",
+    // HOME key, on Mac: ⇞
+    "\u21DE": "Home",
+    home: "Home",
+    // Insert key, or ins
+    ins: "Insert",
+    insert: "Insert",
+    // Delete key, on Mac: ⌦ (Delete)
+    "\u2326": ["Delete", "Del"],
+    del: ["Delete", "Del"],
+    "delete": ["Delete", "Del"],
+    // Left Arrow Key, or ←
+    "\u2190": ["ArrowLeft", "Left"],
+    left: ["ArrowLeft", "Left"],
+    "arrow-left": ["ArrowLeft", "Left"],
+    // Up Arrow Key, or ↑
+    "\u2191": ["ArrowUp", "Up"],
+    up: ["ArrowUp", "Up"],
+    "arrow-up": ["ArrowUp", "Up"],
+    // Right Arrow Key, or →
+    "\u2192": ["ArrowRight", "Right"],
+    right: ["ArrowRight", "Right"],
+    "arrow-right": ["ArrowRight", "Right"],
+    // Up Arrow Key, or ↓
+    "\u2193": ["ArrowDown", "Down"],
+    down: ["ArrowDown", "Down"],
+    "arrow-down": ["ArrowDown", "Down"],
+    // odities, stuff for backward compatibility (browsers and code):
+    // Num-Multiply, or *
+    "*": ["*", "Multiply"],
+    star: ["*", "Multiply"],
+    asterisk: ["*", "Multiply"],
+    multiply: ["*", "Multiply"],
+    // Num-Plus or +
+    "+": ["+", "Add"],
+    "plus": ["+", "Add"],
+    // Num-Subtract, or -
+    "-": ["-", "Subtract"],
+    subtract: ["-", "Subtract"],
+    "dash": ["-", "Subtract"],
+    // Semicolon
+    semicolon: ";",
+    // = or equals
+    equals: "=",
+    // Comma, or ,
+    comma: ",",
+    // Period, or ., or full-stop
+    period: ".",
+    "full-stop": ".",
+    // Slash, or /, or forward-slash
+    slash: "/",
+    "forward-slash": "/",
+    // Tick, or `, or back-quote
+    tick: "`",
+    "back-quote": "`",
+    // Open bracket, or [
+    "open-bracket": "[",
+    // Back slash, or \
+    "back-slash": "\\",
+    // Close backet, or ]
+    "close-bracket": "]",
+    // Apostrophe, or Quote, or '
+    quote: "'",
+    apostrophe: "'",
+    // NUMPAD 0-9
+    "num-0": "0",
+    "num-1": "1",
+    "num-2": "2",
+    "num-3": "3",
+    "num-4": "4",
+    "num-5": "5",
+    "num-6": "6",
+    "num-7": "7",
+    "num-8": "8",
+    "num-9": "9",
+    // F1-F25
+    f1: "F1",
+    f2: "F2",
+    f3: "F3",
+    f4: "F4",
+    f5: "F5",
+    f6: "F6",
+    f7: "F7",
+    f8: "F8",
+    f9: "F9",
+    f10: "F10",
+    f11: "F11",
+    f12: "F12",
+    f13: "F13",
+    f14: "F14",
+    f15: "F15",
+    f16: "F16",
+    f17: "F17",
+    f18: "F18",
+    f19: "F19",
+    f20: "F20",
+    f21: "F21",
+    f22: "F22",
+    f23: "F23",
+    f24: "F24",
+    f25: "F25"
+  };
+  utilKeybinding.keyCodes = {
+    // Backspace key, on Mac: ⌫ (Backspace)
+    "\u232B": 8,
+    backspace: 8,
+    // Tab Key, on Mac: ⇥ (Tab), on Windows ⇥⇥
+    "\u21E5": 9,
+    "\u21C6": 9,
+    tab: 9,
+    // Return key, ↩
+    "\u21A9": 13,
+    "\u21B5": 13,
+    "\u23CE": 13,
+    "return": 13,
+    enter: 13,
+    "\u2305": 13,
+    // Pause/Break key
+    "pause": 19,
+    "pause-break": 19,
+    // Caps Lock key, ⇪
+    "\u21EA": 20,
+    caps: 20,
+    "caps-lock": 20,
+    // Escape key, on Mac: ⎋, on Windows: Esc
+    "\u238B": 27,
+    escape: 27,
+    esc: 27,
+    // Space key
+    space: 32,
+    // Page-Up key, or pgup, on Mac: ↖
+    "\u2196": 33,
+    pgup: 33,
+    "page-up": 33,
+    // Page-Down key, or pgdown, on Mac: ↘
+    "\u2198": 34,
+    pgdown: 34,
+    "page-down": 34,
+    // END key, on Mac: ⇟
+    "\u21DF": 35,
+    end: 35,
+    // HOME key, on Mac: ⇞
+    "\u21DE": 36,
+    home: 36,
+    // Insert key, or ins
+    ins: 45,
+    insert: 45,
+    // Delete key, on Mac: ⌦ (Delete)
+    "\u2326": 46,
+    del: 46,
+    "delete": 46,
+    // Left Arrow Key, or ←
+    "\u2190": 37,
+    left: 37,
+    "arrow-left": 37,
+    // Up Arrow Key, or ↑
+    "\u2191": 38,
+    up: 38,
+    "arrow-up": 38,
+    // Right Arrow Key, or →
+    "\u2192": 39,
+    right: 39,
+    "arrow-right": 39,
+    // Up Arrow Key, or ↓
+    "\u2193": 40,
+    down: 40,
+    "arrow-down": 40,
+    // odities, printing characters that come out wrong:
+    // Firefox Equals
+    "ffequals": 61,
+    // Num-Multiply, or *
+    "*": 106,
+    star: 106,
+    asterisk: 106,
+    multiply: 106,
+    // Num-Plus or +
+    "+": 107,
+    "plus": 107,
+    // Num-Subtract, or -
+    "-": 109,
+    subtract: 109,
+    // Vertical Bar / Pipe
+    "|": 124,
+    // Firefox Plus
+    "ffplus": 171,
+    // Firefox Minus
+    "ffminus": 173,
+    // Semicolon
+    ";": 186,
+    semicolon: 186,
+    // = or equals
+    "=": 187,
+    "equals": 187,
+    // Comma, or ,
+    ",": 188,
+    comma: 188,
+    // Dash / Underscore key
+    "dash": 189,
+    // Period, or ., or full-stop
+    ".": 190,
+    period: 190,
+    "full-stop": 190,
+    // Slash, or /, or forward-slash
+    "/": 191,
+    slash: 191,
+    "forward-slash": 191,
+    // Tick, or `, or back-quote
+    "`": 192,
+    tick: 192,
+    "back-quote": 192,
+    // Open bracket, or [
+    "[": 219,
+    "open-bracket": 219,
+    // Back slash, or \
+    "\\": 220,
+    "back-slash": 220,
+    // Close backet, or ]
+    "]": 221,
+    "close-bracket": 221,
+    // Apostrophe, or Quote, or '
+    "'": 222,
+    quote: 222,
+    apostrophe: 222
+  };
+  var i = 95;
+  var n = 0;
+  while (++i < 106) {
+    utilKeybinding.keyCodes["num-" + n] = i;
+    ++n;
+  }
+  i = 47;
+  n = 0;
+  while (++i < 58) {
+    utilKeybinding.keyCodes[n] = i;
+    ++n;
+  }
+  i = 111;
+  n = 1;
+  while (++i < 136) {
+    utilKeybinding.keyCodes["f" + n] = i;
+    ++n;
+  }
+  i = 64;
+  while (++i < 91) {
+    utilKeybinding.keyCodes[String.fromCharCode(i).toLowerCase()] = i;
+  }
+
+  // modules/util/object.js
+  function utilObjectOmit(obj, omitKeys) {
+    return Object.keys(obj).reduce(function(result, key) {
+      if (omitKeys.indexOf(key) === -1) {
+        result[key] = obj[key];
+      }
+      return result;
+    }, {});
+  }
+
+  // modules/util/rebind.js
+  function utilRebind(target, source) {
+    var i2 = 1, n2 = arguments.length, method;
+    while (++i2 < n2) {
+      target[method = arguments[i2]] = d3_rebind(target, source, source[method]);
+    }
+    return target;
+  }
+  function d3_rebind(target, source, method) {
+    return function() {
+      var value = method.apply(source, arguments);
+      return value === source ? target : value;
+    };
+  }
+
+  // modules/util/session_mutex.js
+  function utilSessionMutex(name) {
+    var mutex = {};
+    var intervalID;
+    function renew() {
+      var expires = /* @__PURE__ */ new Date();
+      expires.setSeconds(expires.getSeconds() + 5);
+      document.cookie = name + "=1; expires=" + expires.toUTCString() + "; sameSite=strict";
+    }
+    mutex.lock = function() {
+      if (intervalID)
+        return true;
+      var cookie = document.cookie.replace(new RegExp("(?:(?:^|.*;)\\s*" + name + "\\s*\\=\\s*([^;]*).*$)|^.*$"), "$1");
+      if (cookie)
+        return false;
+      renew();
+      intervalID = window.setInterval(renew, 4e3);
+      return true;
+    };
+    mutex.unlock = function() {
+      if (!intervalID)
+        return;
+      document.cookie = name + "=; expires=Thu, 01 Jan 1970 00:00:00 GMT; sameSite=strict";
+      clearInterval(intervalID);
+      intervalID = null;
+    };
+    mutex.locked = function() {
+      return !!intervalID;
+    };
+    return mutex;
+  }
+
+  // modules/util/tiler.js
+  function utilTiler() {
+    var _size = [256, 256];
+    var _scale = 256;
+    var _tileSize = 256;
+    var _zoomExtent = [0, 20];
+    var _translate = [_size[0] / 2, _size[1] / 2];
+    var _margin = 0;
+    var _skipNullIsland = false;
+    function clamp3(num, min3, max3) {
+      return Math.max(min3, Math.min(num, max3));
+    }
+    function nearNullIsland(tile) {
+      var x = tile[0];
+      var y = tile[1];
+      var z = tile[2];
+      if (z >= 7) {
+        var center = Math.pow(2, z - 1);
+        var width = Math.pow(2, z - 6);
+        var min3 = center - width / 2;
+        var max3 = center + width / 2 - 1;
+        return x >= min3 && x <= max3 && y >= min3 && y <= max3;
+      }
+      return false;
+    }
+    function tiler8() {
+      var z = geoScaleToZoom(_scale / (2 * Math.PI), _tileSize);
+      var z0 = clamp3(Math.round(z), _zoomExtent[0], _zoomExtent[1]);
+      var tileMin = 0;
+      var tileMax = Math.pow(2, z0) - 1;
+      var log2ts = Math.log(_tileSize) * Math.LOG2E;
+      var k = Math.pow(2, z - z0 + log2ts);
+      var origin = [
+        (_translate[0] - _scale / 2) / k,
+        (_translate[1] - _scale / 2) / k
+      ];
+      var cols = range(
+        clamp3(Math.floor(-origin[0]) - _margin, tileMin, tileMax + 1),
+        clamp3(Math.ceil(_size[0] / k - origin[0]) + _margin, tileMin, tileMax + 1)
+      );
+      var rows = range(
+        clamp3(Math.floor(-origin[1]) - _margin, tileMin, tileMax + 1),
+        clamp3(Math.ceil(_size[1] / k - origin[1]) + _margin, tileMin, tileMax + 1)
+      );
+      var tiles = [];
+      for (var i2 = 0; i2 < rows.length; i2++) {
+        var y = rows[i2];
+        for (var j2 = 0; j2 < cols.length; j2++) {
+          var x = cols[j2];
+          if (i2 >= _margin && i2 <= rows.length - _margin && j2 >= _margin && j2 <= cols.length - _margin) {
+            tiles.unshift([x, y, z0]);
+          } else {
+            tiles.push([x, y, z0]);
+          }
+        }
+      }
+      tiles.translate = origin;
+      tiles.scale = k;
+      return tiles;
+    }
+    tiler8.getTiles = function(projection2) {
+      var origin = [
+        projection2.scale() * Math.PI - projection2.translate()[0],
+        projection2.scale() * Math.PI - projection2.translate()[1]
+      ];
+      this.size(projection2.clipExtent()[1]).scale(projection2.scale() * 2 * Math.PI).translate(projection2.translate());
+      var tiles = tiler8();
+      var ts = tiles.scale;
+      return tiles.map(function(tile) {
+        if (_skipNullIsland && nearNullIsland(tile)) {
+          return false;
+        }
+        var x = tile[0] * ts - origin[0];
+        var y = tile[1] * ts - origin[1];
+        return {
+          id: tile.toString(),
+          xyz: tile,
+          extent: geoExtent(
+            projection2.invert([x, y + ts]),
+            projection2.invert([x + ts, y])
+          )
+        };
+      }).filter(Boolean);
+    };
+    tiler8.getGeoJSON = function(projection2) {
+      var features = tiler8.getTiles(projection2).map(function(tile) {
+        return {
+          type: "Feature",
+          properties: {
+            id: tile.id,
+            name: tile.id
+          },
+          geometry: {
+            type: "Polygon",
+            coordinates: [tile.extent.polygon()]
+          }
+        };
+      });
+      return {
+        type: "FeatureCollection",
+        features
+      };
+    };
+    tiler8.tileSize = function(val) {
+      if (!arguments.length)
+        return _tileSize;
+      _tileSize = val;
+      return tiler8;
+    };
+    tiler8.zoomExtent = function(val) {
+      if (!arguments.length)
+        return _zoomExtent;
+      _zoomExtent = val;
+      return tiler8;
+    };
+    tiler8.size = function(val) {
+      if (!arguments.length)
+        return _size;
+      _size = val;
+      return tiler8;
+    };
+    tiler8.scale = function(val) {
+      if (!arguments.length)
+        return _scale;
+      _scale = val;
+      return tiler8;
+    };
+    tiler8.translate = function(val) {
+      if (!arguments.length)
+        return _translate;
+      _translate = val;
+      return tiler8;
+    };
+    tiler8.margin = function(val) {
+      if (!arguments.length)
+        return _margin;
+      _margin = +val;
+      return tiler8;
+    };
+    tiler8.skipNullIsland = function(val) {
+      if (!arguments.length)
+        return _skipNullIsland;
+      _skipNullIsland = val;
+      return tiler8;
+    };
+    return tiler8;
+  }
+
+  // modules/util/trigger_event.js
+  function utilTriggerEvent(target, type2) {
+    target.each(function() {
+      var evt = document.createEvent("HTMLEvents");
+      evt.initEvent(type2, true, true);
+      this.dispatchEvent(evt);
+    });
+  }
+
+  // modules/core/localizer.js
+  var _mainLocalizer = coreLocalizer();
+  var _t = _mainLocalizer.t;
+  function coreLocalizer() {
+    let localizer = {};
+    let _dataLanguages = {};
+    let _dataLocales = {};
+    let _localeStrings = {};
+    let _localeCode = "en-US";
+    let _localeCodes = ["en-US", "en"];
+    let _languageCode = "en";
+    let _textDirection = "ltr";
+    let _usesMetric = false;
+    let _languageNames = {};
+    let _scriptNames = {};
+    localizer.localeCode = () => _localeCode;
+    localizer.localeCodes = () => _localeCodes;
+    localizer.languageCode = () => _languageCode;
+    localizer.textDirection = () => _textDirection;
+    localizer.usesMetric = () => _usesMetric;
+    localizer.languageNames = () => _languageNames;
+    localizer.scriptNames = () => _scriptNames;
+    let _preferredLocaleCodes = [];
+    localizer.preferredLocaleCodes = function(codes) {
+      if (!arguments.length)
+        return _preferredLocaleCodes;
+      if (typeof codes === "string") {
+        _preferredLocaleCodes = codes.split(/,|;| /gi).filter(Boolean);
+      } else {
+        _preferredLocaleCodes = codes;
+      }
+      return localizer;
+    };
+    var _loadPromise;
+    localizer.ensureLoaded = () => {
+      if (_loadPromise)
+        return _loadPromise;
+      let filesToFetch = [
+        "languages",
+        // load the list of languages
+        "locales"
+        // load the list of supported locales
+      ];
+      const localeDirs = {
+        general: "locales",
+        tagging: presetsCdnUrl + "dist/translations"
+      };
+      let fileMap = _mainFileFetcher.fileMap();
+      for (let scopeId in localeDirs) {
+        const key = `locales_index_${scopeId}`;
+        if (!fileMap[key]) {
+          fileMap[key] = localeDirs[scopeId] + "/index.min.json";
+        }
+        filesToFetch.push(key);
+      }
+      return _loadPromise = Promise.all(filesToFetch.map((key) => _mainFileFetcher.get(key))).then((results) => {
+        _dataLanguages = results[0];
+        _dataLocales = results[1];
+        let indexes = results.slice(2);
+        let requestedLocales = (_preferredLocaleCodes || []).concat(utilDetect().browserLocales).concat(["en"]);
+        _localeCodes = localesToUseFrom(requestedLocales);
+        _localeCode = _localeCodes[0];
+        let loadStringsPromises = [];
+        indexes.forEach((index, i2) => {
+          const fullCoverageIndex = _localeCodes.findIndex(function(locale2) {
+            return index[locale2] && index[locale2].pct === 1;
+          });
+          _localeCodes.slice(0, fullCoverageIndex + 1).forEach(function(code) {
+            let scopeId = Object.keys(localeDirs)[i2];
+            let directory = Object.values(localeDirs)[i2];
+            if (index[code])
+              loadStringsPromises.push(localizer.loadLocale(code, scopeId, directory));
+          });
+        });
+        return Promise.all(loadStringsPromises);
+      }).then(() => {
+        updateForCurrentLocale();
+      }).catch((err) => console.error(err));
+    };
+    function localesToUseFrom(requestedLocales) {
+      let supportedLocales = _dataLocales;
+      let toUse = [];
+      for (let i2 in requestedLocales) {
+        let locale2 = requestedLocales[i2];
+        if (supportedLocales[locale2])
+          toUse.push(locale2);
+        if (locale2.includes("-")) {
+          let langPart = locale2.split("-")[0];
+          if (supportedLocales[langPart])
+            toUse.push(langPart);
+        }
+      }
+      return utilArrayUniq(toUse);
+    }
+    function updateForCurrentLocale() {
+      if (!_localeCode)
+        return;
+      _languageCode = _localeCode.split("-")[0];
+      const currentData = _dataLocales[_localeCode] || _dataLocales[_languageCode];
+      const hash = utilStringQs(window.location.hash);
+      if (hash.rtl === "true") {
+        _textDirection = "rtl";
+      } else if (hash.rtl === "false") {
+        _textDirection = "ltr";
+      } else {
+        _textDirection = currentData && currentData.rtl ? "rtl" : "ltr";
+      }
+      let locale2 = _localeCode;
+      if (locale2.toLowerCase() === "en-us")
+        locale2 = "en";
+      _languageNames = _localeStrings.general[locale2].languageNames || _localeStrings.general[_languageCode].languageNames;
+      _scriptNames = _localeStrings.general[locale2].scriptNames || _localeStrings.general[_languageCode].scriptNames;
+      _usesMetric = _localeCode.slice(-3).toLowerCase() !== "-us";
+    }
+    localizer.loadLocale = (locale2, scopeId, directory) => {
+      if (locale2.toLowerCase() === "en-us")
+        locale2 = "en";
+      if (_localeStrings[scopeId] && _localeStrings[scopeId][locale2]) {
+        return Promise.resolve(locale2);
+      }
+      let fileMap = _mainFileFetcher.fileMap();
+      const key = `locale_${scopeId}_${locale2}`;
+      if (!fileMap[key]) {
+        fileMap[key] = `${directory}/${locale2}.min.json`;
+      }
+      return _mainFileFetcher.get(key).then((d) => {
+        if (!_localeStrings[scopeId])
+          _localeStrings[scopeId] = {};
+        _localeStrings[scopeId][locale2] = d[locale2];
+        return locale2;
+      });
+    };
+    localizer.pluralRule = function(number3) {
+      return pluralRule(number3, _localeCode);
+    };
+    function pluralRule(number3, localeCode) {
+      const rules = "Intl" in window && Intl.PluralRules && new Intl.PluralRules(localeCode);
+      if (rules) {
+        return rules.select(number3);
+      }
+      if (number3 === 1)
+        return "one";
+      return "other";
+    }
+    localizer.tInfo = function(origStringId, replacements, locale2) {
+      let stringId = origStringId.trim();
+      let scopeId = "general";
+      if (stringId[0] === "_") {
+        let split = stringId.split(".");
+        scopeId = split[0].slice(1);
+        stringId = split.slice(1).join(".");
+      }
+      locale2 = locale2 || _localeCode;
+      let path = stringId.split(".").map((s) => s.replace(/<TX_DOT>/g, ".")).reverse();
+      let stringsKey = locale2;
+      if (stringsKey.toLowerCase() === "en-us")
+        stringsKey = "en";
+      let result = _localeStrings && _localeStrings[scopeId] && _localeStrings[scopeId][stringsKey];
+      while (result !== void 0 && path.length) {
+        result = result[path.pop()];
+      }
+      if (result !== void 0) {
+        if (replacements) {
+          if (typeof result === "object" && Object.keys(result).length) {
+            const number3 = Object.values(replacements).find(function(value) {
+              return typeof value === "number";
+            });
+            if (number3 !== void 0) {
+              const rule = pluralRule(number3, locale2);
+              if (result[rule]) {
+                result = result[rule];
+              } else {
+                result = Object.values(result)[0];
+              }
+            }
+          }
+          if (typeof result === "string") {
+            for (let key in replacements) {
+              let value = replacements[key];
+              if (typeof value === "number") {
+                if (value.toLocaleString) {
+                  value = value.toLocaleString(locale2, {
+                    style: "decimal",
+                    useGrouping: true,
+                    minimumFractionDigits: 0
+                  });
+                } else {
+                  value = value.toString();
+                }
+              }
+              const token = `{${key}}`;
+              const regex = new RegExp(token, "g");
+              result = result.replace(regex, value);
+            }
+          }
+        }
+        if (typeof result === "string") {
+          return {
+            text: result,
+            locale: locale2
+          };
+        }
+      }
+      let index = _localeCodes.indexOf(locale2);
+      if (index >= 0 && index < _localeCodes.length - 1) {
+        let fallback = _localeCodes[index + 1];
+        return localizer.tInfo(origStringId, replacements, fallback);
+      }
+      if (replacements && "default" in replacements) {
+        return {
+          text: replacements.default,
+          locale: null
+        };
+      }
+      const missing = `Missing ${locale2} translation: ${origStringId}`;
+      if (typeof console !== "undefined")
+        console.error(missing);
+      return {
+        text: missing,
+        locale: "en"
+      };
+    };
+    localizer.hasTextForStringId = function(stringId) {
+      return !!localizer.tInfo(stringId, { default: "nothing found" }).locale;
+    };
+    localizer.t = function(stringId, replacements, locale2) {
+      return localizer.tInfo(stringId, replacements, locale2).text;
+    };
+    localizer.t.html = function(stringId, replacements, locale2) {
+      replacements = Object.assign({}, replacements);
+      for (var k in replacements) {
+        if (typeof replacements[k] === "string") {
+          replacements[k] = escape_default(replacements[k]);
+        }
+        if (typeof replacements[k] === "object" && typeof replacements[k].html === "string") {
+          replacements[k] = replacements[k].html;
+        }
+      }
+      const info = localizer.tInfo(stringId, replacements, locale2);
+      if (info.text) {
+        return `<span class="localized-text" lang="${info.locale || "und"}">${info.text}</span>`;
+      } else {
+        return "";
+      }
+    };
+    localizer.t.append = function(stringId, replacements, locale2) {
+      const ret = function(selection2) {
+        const info = localizer.tInfo(stringId, replacements, locale2);
+        return selection2.append("span").attr("class", "localized-text").attr("lang", info.locale || "und").text((replacements && replacements.prefix || "") + info.text + (replacements && replacements.suffix || ""));
+      };
+      ret.stringId = stringId;
+      return ret;
+    };
+    localizer.languageName = (code, options2) => {
+      if (_languageNames && _languageNames[code]) {
+        return _languageNames[code];
+      }
+      if (options2 && options2.localOnly)
+        return null;
+      const langInfo = _dataLanguages[code];
+      if (langInfo) {
+        if (langInfo.nativeName) {
+          return localizer.t("translate.language_and_code", { language: langInfo.nativeName, code });
+        } else if (langInfo.base && langInfo.script) {
+          const base = langInfo.base;
+          if (_languageNames && _languageNames[base]) {
+            const scriptCode = langInfo.script;
+            const script = _scriptNames && _scriptNames[scriptCode] || scriptCode;
+            return localizer.t("translate.language_and_code", { language: _languageNames[base], code: script });
+          } else if (_dataLanguages[base] && _dataLanguages[base].nativeName) {
+            return localizer.t("translate.language_and_code", { language: _dataLanguages[base].nativeName, code });
+          }
+        }
+      }
+      return code;
+    };
+    localizer.floatFormatter = (locale2) => {
+      if (!("Intl" in window && "NumberFormat" in Intl && "formatToParts" in Intl.NumberFormat.prototype)) {
+        return (number3, fractionDigits) => {
+          return fractionDigits === void 0 ? number3.toString() : number3.toFixed(fractionDigits);
+        };
+      } else {
+        return (number3, fractionDigits) => number3.toLocaleString(locale2, {
+          minimumFractionDigits: fractionDigits,
+          maximumFractionDigits: fractionDigits === void 0 ? 20 : fractionDigits
+        });
+      }
+    };
+    localizer.floatParser = (locale2) => {
+      const polyfill = (string) => +string.trim();
+      if (!("Intl" in window && "NumberFormat" in Intl))
+        return polyfill;
+      const format2 = new Intl.NumberFormat(locale2, { maximumFractionDigits: 20 });
+      if (!("formatToParts" in format2))
+        return polyfill;
+      const parts = format2.formatToParts(-12345.6);
+      const numerals = Array.from({ length: 10 }).map((_, i2) => format2.format(i2));
+      const index = new Map(numerals.map((d, i2) => [d, i2]));
+      const literalPart = parts.find((d) => d.type === "literal");
+      const literal = literalPart && new RegExp(`[${literalPart.value}]`, "g");
+      const groupPart = parts.find((d) => d.type === "group");
+      const group = groupPart && new RegExp(`[${groupPart.value}]`, "g");
+      const decimalPart = parts.find((d) => d.type === "decimal");
+      const decimal = decimalPart && new RegExp(`[${decimalPart.value}]`);
+      const numeral = new RegExp(`[${numerals.join("")}]`, "g");
+      const getIndex = (d) => index.get(d);
+      return (string) => {
+        string = string.trim();
+        if (literal)
+          string = string.replace(literal, "");
+        if (group)
+          string = string.replace(group, "");
+        if (decimal)
+          string = string.replace(decimal, ".");
+        string = string.replace(numeral, getIndex);
+        return string ? +string : NaN;
+      };
+    };
+    localizer.decimalPlaceCounter = (locale2) => {
+      var literal, group, decimal;
+      if ("Intl" in window && "NumberFormat" in Intl) {
+        const format2 = new Intl.NumberFormat(locale2, { maximumFractionDigits: 20 });
+        if ("formatToParts" in format2) {
+          const parts = format2.formatToParts(-12345.6);
+          const literalPart = parts.find((d) => d.type === "literal");
+          literal = literalPart && new RegExp(`[${literalPart.value}]`, "g");
+          const groupPart = parts.find((d) => d.type === "group");
+          group = groupPart && new RegExp(`[${groupPart.value}]`, "g");
+          const decimalPart = parts.find((d) => d.type === "decimal");
+          decimal = decimalPart && new RegExp(`[${decimalPart.value}]`);
+        }
+      }
+      return (string) => {
+        string = string.trim();
+        if (literal)
+          string = string.replace(literal, "");
+        if (group)
+          string = string.replace(group, "");
+        const parts = string.split(decimal || ".");
+        return parts && parts[1] && parts[1].length || 0;
+      };
+    };
+    return localizer;
+  }
+
+  // modules/presets/collection.js
+  function presetCollection(collection) {
+    const MAXRESULTS = 50;
+    let _this = {};
+    let _memo = {};
+    _this.collection = collection;
+    _this.item = (id2) => {
+      if (_memo[id2])
+        return _memo[id2];
+      const found = _this.collection.find((d) => d.id === id2);
+      if (found)
+        _memo[id2] = found;
+      return found;
+    };
+    _this.index = (id2) => _this.collection.findIndex((d) => d.id === id2);
+    _this.matchGeometry = (geometry) => {
+      return presetCollection(
+        _this.collection.filter((d) => d.matchGeometry(geometry))
+      );
+    };
+    _this.matchAllGeometry = (geometries) => {
+      return presetCollection(
+        _this.collection.filter((d) => d && d.matchAllGeometry(geometries))
+      );
+    };
+    _this.matchAnyGeometry = (geometries) => {
+      return presetCollection(
+        _this.collection.filter((d) => geometries.some((geom) => d.matchGeometry(geom)))
+      );
+    };
+    _this.fallback = (geometry) => {
+      let id2 = geometry;
+      if (id2 === "vertex")
+        id2 = "point";
+      return _this.item(id2);
+    };
+    _this.search = (value, geometry, loc) => {
+      if (!value)
+        return _this;
+      value = value.toLowerCase().trim();
+      function leading(a) {
+        const index = a.indexOf(value);
+        return index === 0 || a[index - 1] === " ";
+      }
+      function leadingStrict(a) {
+        const index = a.indexOf(value);
+        return index === 0;
+      }
+      function sortPresets(nameProp, aliasesProp) {
+        return function sortNames(a, b) {
+          let aCompare = a[nameProp]();
+          let bCompare = b[nameProp]();
+          if (aliasesProp) {
+            const findMatchingAlias = (strings) => {
+              if (strings.some((s) => s === value)) {
+                return strings.find((s) => s === value);
+              } else {
+                return strings.filter((s) => s.includes(value)).sort((a2, b2) => a2.length - b2.length)[0];
+              }
+            };
+            aCompare = findMatchingAlias([aCompare].concat(a[aliasesProp]()));
+            bCompare = findMatchingAlias([bCompare].concat(b[aliasesProp]()));
+          }
+          if (value === aCompare)
+            return -1;
+          if (value === bCompare)
+            return 1;
+          let i2 = b.originalScore - a.originalScore;
+          if (i2 !== 0)
+            return i2;
+          i2 = aCompare.indexOf(value) - bCompare.indexOf(value);
+          if (i2 !== 0)
+            return i2;
+          return aCompare.length - bCompare.length;
+        };
+      }
+      let pool = _this.collection;
+      if (Array.isArray(loc)) {
+        const validHere = _sharedLocationManager.locationSetsAt(loc);
+        pool = pool.filter((a) => !a.locationSetID || validHere[a.locationSetID]);
+      }
+      const searchable = pool.filter((a) => a.searchable !== false && a.suggestion !== true);
+      const suggestions = pool.filter((a) => a.suggestion === true);
+      const leadingNames = searchable.filter((a) => leading(a.searchName()) || a.searchAliases().some(leading)).sort(sortPresets("searchName", "searchAliases"));
+      const leadingSuggestions = suggestions.filter((a) => leadingStrict(a.searchName())).sort(sortPresets("searchName"));
+      const leadingNamesStripped = searchable.filter((a) => leading(a.searchNameStripped()) || a.searchAliasesStripped().some(leading)).sort(sortPresets("searchNameStripped", "searchAliasesStripped"));
+      const leadingSuggestionsStripped = suggestions.filter((a) => leadingStrict(a.searchNameStripped())).sort(sortPresets("searchNameStripped"));
+      const leadingTerms = searchable.filter((a) => (a.terms() || []).some(leading));
+      const leadingSuggestionTerms = suggestions.filter((a) => (a.terms() || []).some(leading));
+      const leadingTagValues = searchable.filter((a) => Object.values(a.tags || {}).filter((val) => val !== "*").some(leading));
+      const similarName = searchable.map((a) => ({ preset: a, dist: utilEditDistance(value, a.searchName()) })).filter((a) => a.dist + Math.min(value.length - a.preset.searchName().length, 0) < 3).sort((a, b) => a.dist - b.dist).map((a) => a.preset);
+      const similarSuggestions = suggestions.map((a) => ({ preset: a, dist: utilEditDistance(value, a.searchName()) })).filter((a) => a.dist + Math.min(value.length - a.preset.searchName().length, 0) < 1).sort((a, b) => a.dist - b.dist).map((a) => a.preset);
+      const similarTerms = searchable.filter((a) => {
+        return (a.terms() || []).some((b) => {
+          return utilEditDistance(value, b) + Math.min(value.length - b.length, 0) < 3;
+        });
+      });
+      let leadingTagKeyValues = [];
+      if (value.includes("=")) {
+        leadingTagKeyValues = searchable.filter((a) => a.tags && Object.keys(a.tags).some((key) => key + "=" + a.tags[key] === value)).concat(searchable.filter((a) => a.tags && Object.keys(a.tags).some((key) => leading(key + "=" + a.tags[key]))));
+      }
+      let results = leadingNames.concat(
+        leadingSuggestions,
+        leadingNamesStripped,
+        leadingSuggestionsStripped,
+        leadingTerms,
+        leadingSuggestionTerms,
+        leadingTagValues,
+        similarName,
+        similarSuggestions,
+        similarTerms,
+        leadingTagKeyValues
+      ).slice(0, MAXRESULTS - 1);
+      if (geometry) {
+        if (typeof geometry === "string") {
+          results.push(_this.fallback(geometry));
+        } else {
+          geometry.forEach((geom) => results.push(_this.fallback(geom)));
+        }
+      }
+      return presetCollection(utilArrayUniq(results));
+    };
+    return _this;
+  }
+
+  // modules/presets/category.js
+  function presetCategory(categoryID, category, allPresets) {
+    let _this = Object.assign({}, category);
+    let _searchName;
+    let _searchNameStripped;
+    _this.id = categoryID;
+    _this.members = presetCollection(
+      (category.members || []).map((presetID) => allPresets[presetID]).filter(Boolean)
+    );
+    _this.geometry = _this.members.collection.reduce((acc, preset) => {
+      for (let i2 in preset.geometry) {
+        const geometry = preset.geometry[i2];
+        if (acc.indexOf(geometry) === -1) {
+          acc.push(geometry);
+        }
+      }
+      return acc;
+    }, []);
+    _this.matchGeometry = (geom) => _this.geometry.indexOf(geom) >= 0;
+    _this.matchAllGeometry = (geometries) => _this.members.collection.some((preset) => preset.matchAllGeometry(geometries));
+    _this.matchScore = () => -1;
+    _this.name = () => _t(`_tagging.presets.categories.${categoryID}.name`, { "default": categoryID });
+    _this.nameLabel = () => _t.append(`_tagging.presets.categories.${categoryID}.name`, { "default": categoryID });
+    _this.terms = () => [];
+    _this.searchName = () => {
+      if (!_searchName) {
+        _searchName = (_this.suggestion ? _this.originalName : _this.name()).toLowerCase();
+      }
+      return _searchName;
+    };
+    _this.searchNameStripped = () => {
+      if (!_searchNameStripped) {
+        _searchNameStripped = _this.searchName();
+        if (_searchNameStripped.normalize)
+          _searchNameStripped = _searchNameStripped.normalize("NFD");
+        _searchNameStripped = _searchNameStripped.replace(/[\u0300-\u036f]/g, "");
+      }
+      return _searchNameStripped;
+    };
+    _this.searchAliases = () => [];
+    _this.searchAliasesStripped = () => [];
+    return _this;
+  }
+
+  // modules/presets/field.js
+  function presetField(fieldID, field, allFields) {
+    allFields = allFields || {};
+    let _this = Object.assign({}, field);
+    _this.id = fieldID;
+    _this.safeid = utilSafeClassName(fieldID);
+    _this.matchGeometry = (geom) => !_this.geometry || _this.geometry.indexOf(geom) !== -1;
+    _this.matchAllGeometry = (geometries) => {
+      return !_this.geometry || geometries.every((geom) => _this.geometry.indexOf(geom) !== -1);
+    };
+    _this.t = (scope, options2) => _t(`_tagging.presets.fields.${fieldID}.${scope}`, options2);
+    _this.t.html = (scope, options2) => _t.html(`_tagging.presets.fields.${fieldID}.${scope}`, options2);
+    _this.t.append = (scope, options2) => _t.append(`_tagging.presets.fields.${fieldID}.${scope}`, options2);
+    _this.hasTextForStringId = (scope) => _mainLocalizer.hasTextForStringId(`_tagging.presets.fields.${fieldID}.${scope}`);
+    _this.resolveReference = (which) => {
+      const referenceRegex = /^\{(.*)\}$/;
+      const match = (field[which] || "").match(referenceRegex);
+      if (match) {
+        const field2 = allFields[match[1]];
+        if (field2) {
+          return field2;
+        }
+        console.error(`Unable to resolve referenced field: ${match[1]}`);
+      }
+      return _this;
+    };
+    _this.title = () => _this.overrideLabel || _this.resolveReference("label").t("label", { "default": fieldID });
+    _this.label = () => _this.overrideLabel ? (selection2) => selection2.text(_this.overrideLabel) : _this.resolveReference("label").t.append("label", { "default": fieldID });
+    _this.placeholder = () => _this.resolveReference("placeholder").t("placeholder", { "default": "" });
+    _this.originalTerms = (_this.terms || []).join();
+    _this.terms = () => _this.resolveReference("label").t("terms", { "default": _this.originalTerms }).toLowerCase().trim().split(/\s*,+\s*/);
+    _this.increment = _this.type === "number" ? _this.increment || 1 : void 0;
+    return _this;
+  }
+
+  // modules/presets/preset.js
+  var import_lodash = __toESM(require_lodash());
+  function presetPreset(presetID, preset, addable, allFields, allPresets) {
+    allFields = allFields || {};
+    allPresets = allPresets || {};
+    let _this = Object.assign({}, preset);
+    let _addable = addable || false;
+    let _searchName;
+    let _searchNameStripped;
+    let _searchAliases;
+    let _searchAliasesStripped;
+    const referenceRegex = /^\{(.*)\}$/;
+    _this.id = presetID;
+    _this.safeid = utilSafeClassName(presetID);
+    _this.originalTerms = (_this.terms || []).join();
+    _this.originalName = _this.name || "";
+    _this.originalAliases = (_this.aliases || []).join("\n");
+    _this.originalScore = _this.matchScore || 1;
+    _this.originalReference = _this.reference || {};
+    _this.originalFields = _this.fields || [];
+    _this.originalMoreFields = _this.moreFields || [];
+    _this.fields = (loc) => resolveFields("fields", loc);
+    _this.moreFields = (loc) => resolveFields("moreFields", loc);
+    _this.tags = _this.tags || {};
+    _this.addTags = _this.addTags || _this.tags;
+    _this.removeTags = _this.removeTags || _this.addTags;
+    _this.geometry = _this.geometry || [];
+    _this.matchGeometry = (geom) => _this.geometry.indexOf(geom) >= 0;
+    _this.matchAllGeometry = (geoms) => geoms.every(_this.matchGeometry);
+    _this.matchScore = (entityTags) => {
+      const tags = _this.tags;
+      let seen = {};
+      let score = 0;
+      for (let k in tags) {
+        seen[k] = true;
+        if (entityTags[k] === tags[k]) {
+          score += _this.originalScore;
+        } else if (tags[k] === "*" && k in entityTags) {
+          score += _this.originalScore / 2;
+        } else {
+          return -1;
+        }
+      }
+      const addTags = _this.addTags;
+      for (let k in addTags) {
+        if (!seen[k] && entityTags[k] === addTags[k]) {
+          score += _this.originalScore;
+        }
+      }
+      if (_this.searchable === false) {
+        score *= 0.999;
+      }
+      return score;
+    };
+    _this.t = (scope, options2) => {
+      const textID = `_tagging.presets.presets.${presetID}.${scope}`;
+      return _t(textID, options2);
+    };
+    _this.t.append = (scope, options2) => {
+      const textID = `_tagging.presets.presets.${presetID}.${scope}`;
+      return _t.append(textID, options2);
+    };
+    function resolveReference(which) {
+      const match = (_this[which] || "").match(referenceRegex);
+      if (match) {
+        const preset2 = allPresets[match[1]];
+        if (preset2) {
+          return preset2;
+        }
+        console.error(`Unable to resolve referenced preset: ${match[1]}`);
+      }
+      return _this;
+    }
+    _this.name = () => {
+      return resolveReference("originalName").t("name", { "default": _this.originalName || presetID });
+    };
+    _this.nameLabel = () => {
+      return resolveReference("originalName").t.append("name", { "default": _this.originalName || presetID });
+    };
+    _this.subtitle = () => {
+      if (_this.suggestion) {
+        let path = presetID.split("/");
+        path.pop();
+        return _t("_tagging.presets.presets." + path.join("/") + ".name");
+      }
+      return null;
+    };
+    _this.subtitleLabel = () => {
+      if (_this.suggestion) {
+        let path = presetID.split("/");
+        path.pop();
+        return _t.append("_tagging.presets.presets." + path.join("/") + ".name");
+      }
+      return null;
+    };
+    _this.aliases = () => {
+      return resolveReference("originalName").t("aliases", { "default": _this.originalAliases }).trim().split(/\s*[\r\n]+\s*/);
+    };
+    _this.terms = () => {
+      return resolveReference("originalName").t("terms", { "default": _this.originalTerms }).toLowerCase().trim().split(/\s*,+\s*/);
+    };
+    _this.searchName = () => {
+      if (!_searchName) {
+        _searchName = (_this.suggestion ? _this.originalName : _this.name()).toLowerCase();
+      }
+      return _searchName;
+    };
+    _this.searchNameStripped = () => {
+      if (!_searchNameStripped) {
+        _searchNameStripped = stripDiacritics(_this.searchName());
+      }
+      return _searchNameStripped;
+    };
+    _this.searchAliases = () => {
+      if (!_searchAliases) {
+        _searchAliases = _this.aliases().map((alias) => alias.toLowerCase());
+      }
+      return _searchAliases;
+    };
+    _this.searchAliasesStripped = () => {
+      if (!_searchAliasesStripped) {
+        _searchAliasesStripped = _this.searchAliases();
+        _searchAliasesStripped = _searchAliasesStripped.map(stripDiacritics);
+      }
+      return _searchAliasesStripped;
+    };
+    _this.isFallback = () => {
+      const tagCount = Object.keys(_this.tags).length;
+      return tagCount === 0 || tagCount === 1 && _this.tags.hasOwnProperty("area");
+    };
+    _this.addable = function(val) {
+      if (!arguments.length)
+        return _addable;
+      _addable = val;
+      return _this;
+    };
+    _this.reference = () => {
+      const qid = _this.tags.wikidata || _this.tags["flag:wikidata"] || _this.tags["brand:wikidata"] || _this.tags["network:wikidata"] || _this.tags["operator:wikidata"];
+      if (qid) {
+        return { qid };
+      }
+      let key = _this.originalReference.key || Object.keys(utilObjectOmit(_this.tags, "name"))[0];
+      let value = _this.originalReference.value || _this.tags[key];
+      if (value === "*") {
+        return { key };
+      } else {
+        return { key, value };
+      }
+    };
+    _this.unsetTags = (tags, geometry, ignoringKeys, skipFieldDefaults, loc) => {
+      let removeTags = ignoringKeys ? utilObjectOmit(_this.removeTags, ignoringKeys) : _this.removeTags;
+      tags = utilObjectOmit(tags, Object.keys(removeTags));
+      if (geometry && !skipFieldDefaults) {
+        _this.fields(loc).forEach((field) => {
+          if (field.matchGeometry(geometry) && field.key && field.default === tags[field.key] && (!ignoringKeys || ignoringKeys.indexOf(field.key) === -1)) {
+            delete tags[field.key];
+          }
+        });
+      }
+      delete tags.area;
+      return tags;
+    };
+    _this.setTags = (tags, geometry, skipFieldDefaults, loc) => {
+      const addTags = _this.addTags;
+      tags = Object.assign({}, tags);
+      for (let k in addTags) {
+        if (addTags[k] === "*") {
+          if (_this.tags[k] || !tags[k]) {
+            tags[k] = "yes";
+          }
+        } else {
+          tags[k] = addTags[k];
+        }
+      }
+      if (!addTags.hasOwnProperty("area")) {
+        delete tags.area;
+        if (geometry === "area") {
+          let needsAreaTag = true;
+          for (let k in addTags) {
+            if (_this.geometry.indexOf("line") === -1 && k in osmAreaKeys || k in osmAreaKeysExceptions && addTags[k] in osmAreaKeysExceptions[k]) {
+              needsAreaTag = false;
+              break;
+            }
+          }
+          if (needsAreaTag) {
+            tags.area = "yes";
+          }
+        }
+      }
+      if (geometry && !skipFieldDefaults) {
+        _this.fields(loc).forEach((field) => {
+          if (field.matchGeometry(geometry) && field.key && !tags[field.key] && field.default) {
+            tags[field.key] = field.default;
+          }
+        });
+      }
+      return tags;
+    };
+    function resolveFields(which, loc) {
+      const fieldIDs = which === "fields" ? _this.originalFields : _this.originalMoreFields;
+      let resolved = [];
+      fieldIDs.forEach((fieldID) => {
+        const match = fieldID.match(referenceRegex);
+        if (match !== null) {
+          resolved = resolved.concat(inheritFields(allPresets[match[1]], which));
+        } else if (allFields[fieldID]) {
+          resolved.push(allFields[fieldID]);
+        } else {
+          console.log(`Cannot resolve "${fieldID}" found in ${_this.id}.${which}`);
+        }
+      });
+      if (!resolved.length) {
+        const endIndex = _this.id.lastIndexOf("/");
+        const parentID = endIndex && _this.id.substring(0, endIndex);
+        if (parentID) {
+          let parent = allPresets[parentID];
+          if (loc) {
+            const validHere = _sharedLocationManager.locationSetsAt(loc);
+            if (parent?.locationSetID && !validHere[parent.locationSetID]) {
+              const candidateIDs = Object.keys(allPresets).filter((k) => k.startsWith(parentID));
+              parent = allPresets[candidateIDs.find((candidateID) => {
+                const candidate = allPresets[candidateID];
+                return validHere[candidate.locationSetID] && (0, import_lodash.isEqual)(candidate.tags, parent.tags);
+              })];
+            }
+          }
+          resolved = inheritFields(parent, which);
+        }
+      }
+      return utilArrayUniq(resolved);
+      function inheritFields(parent, which2) {
+        if (!parent)
+          return [];
+        if (which2 === "fields") {
+          return parent.fields().filter(shouldInherit);
+        } else if (which2 === "moreFields") {
+          return parent.moreFields();
+        } else {
+          return [];
+        }
+      }
+      function shouldInherit(f2) {
+        if (f2.key && _this.tags[f2.key] !== void 0 && // inherit anyway if multiple values are allowed or just a checkbox
+        f2.type !== "multiCombo" && f2.type !== "semiCombo" && f2.type !== "manyCombo" && f2.type !== "check")
+          return false;
+        return true;
+      }
+    }
+    function stripDiacritics(s) {
+      if (s.normalize)
+        s = s.normalize("NFD");
+      s = s.replace(/[\u0300-\u036f]/g, "");
+      return s;
+    }
+    return _this;
+  }
+
+  // modules/presets/index.js
+  var _mainPresetIndex = presetIndex();
+  function presetIndex() {
+    const dispatch10 = dispatch_default("favoritePreset", "recentsChange");
+    const MAXRECENTS = 30;
+    const POINT = presetPreset("point", { name: "Point", tags: {}, geometry: ["point", "vertex"], matchScore: 0.1 });
+    const LINE = presetPreset("line", { name: "Line", tags: {}, geometry: ["line"], matchScore: 0.1 });
+    const AREA = presetPreset("area", { name: "Area", tags: { area: "yes" }, geometry: ["area"], matchScore: 0.1 });
+    const RELATION = presetPreset("relation", { name: "Relation", tags: {}, geometry: ["relation"], matchScore: 0.1 });
+    let _this = presetCollection([POINT, LINE, AREA, RELATION]);
+    let _presets = { point: POINT, line: LINE, area: AREA, relation: RELATION };
+    let _defaults = {
+      point: presetCollection([POINT]),
+      vertex: presetCollection([POINT]),
+      line: presetCollection([LINE]),
+      area: presetCollection([AREA]),
+      relation: presetCollection([RELATION])
+    };
+    let _fields = {};
+    let _categories = {};
+    let _universal = [];
+    let _addablePresetIDs = null;
+    let _recents;
+    let _favorites;
+    let _geometryIndex = { point: {}, vertex: {}, line: {}, area: {}, relation: {} };
+    let _loadPromise;
+    _this.ensureLoaded = () => {
+      if (_loadPromise)
+        return _loadPromise;
+      return _loadPromise = Promise.all([
+        _mainFileFetcher.get("preset_categories"),
+        _mainFileFetcher.get("preset_defaults"),
+        _mainFileFetcher.get("preset_presets"),
+        _mainFileFetcher.get("preset_fields")
+      ]).then((vals) => {
+        _this.merge({
+          categories: vals[0],
+          defaults: vals[1],
+          presets: vals[2],
+          fields: vals[3]
+        });
+        osmSetAreaKeys(_this.areaKeys());
+        osmSetLineTags(_this.lineTags());
+        osmSetPointTags(_this.pointTags());
+        osmSetVertexTags(_this.vertexTags());
+      });
+    };
+    _this.merge = (d) => {
+      let newLocationSets = [];
+      if (d.fields) {
+        Object.keys(d.fields).forEach((fieldID) => {
+          let f2 = d.fields[fieldID];
+          if (f2) {
+            f2 = presetField(fieldID, f2, _fields);
+            if (f2.locationSet)
+              newLocationSets.push(f2);
+            _fields[fieldID] = f2;
+          } else {
+            delete _fields[fieldID];
+          }
+        });
+      }
+      if (d.presets) {
+        Object.keys(d.presets).forEach((presetID) => {
+          let p = d.presets[presetID];
+          if (p) {
+            const isAddable = !_addablePresetIDs || _addablePresetIDs.has(presetID);
+            p = presetPreset(presetID, p, isAddable, _fields, _presets);
+            if (p.locationSet)
+              newLocationSets.push(p);
+            _presets[presetID] = p;
+          } else {
+            const existing = _presets[presetID];
+            if (existing && !existing.isFallback()) {
+              delete _presets[presetID];
+            }
+          }
+        });
+      }
+      if (d.categories) {
+        Object.keys(d.categories).forEach((categoryID) => {
+          let c = d.categories[categoryID];
+          if (c) {
+            c = presetCategory(categoryID, c, _presets);
+            if (c.locationSet)
+              newLocationSets.push(c);
+            _categories[categoryID] = c;
+          } else {
+            delete _categories[categoryID];
+          }
+        });
+      }
+      _this.collection = Object.values(_presets).concat(Object.values(_categories));
+      if (d.defaults) {
+        Object.keys(d.defaults).forEach((geometry) => {
+          const def = d.defaults[geometry];
+          if (Array.isArray(def)) {
+            _defaults[geometry] = presetCollection(
+              def.map((id2) => _presets[id2] || _categories[id2]).filter(Boolean)
+            );
+          } else {
+            delete _defaults[geometry];
+          }
+        });
+      }
+      _universal = Object.values(_fields).filter((field) => field.universal);
+      _geometryIndex = { point: {}, vertex: {}, line: {}, area: {}, relation: {} };
+      _this.collection.forEach((preset) => {
+        (preset.geometry || []).forEach((geometry) => {
+          let g = _geometryIndex[geometry];
+          for (let key in preset.tags) {
+            g[key] = g[key] || {};
+            let value = preset.tags[key];
+            (g[key][value] = g[key][value] || []).push(preset);
+          }
+        });
+      });
+      if (d.featureCollection && Array.isArray(d.featureCollection.features)) {
+        _sharedLocationManager.mergeCustomGeoJSON(d.featureCollection);
+      }
+      if (newLocationSets.length) {
+        _sharedLocationManager.mergeLocationSets(newLocationSets);
+      }
+      return _this;
+    };
+    _this.match = (entity, resolver) => {
+      return resolver.transient(entity, "presetMatch", () => {
+        let geometry = entity.geometry(resolver);
+        if (geometry === "vertex" && entity.isOnAddressLine(resolver)) {
+          geometry = "point";
+        }
+        const entityExtent = entity.extent(resolver);
+        return _this.matchTags(entity.tags, geometry, entityExtent.center());
+      });
+    };
+    _this.matchTags = (tags, geometry, loc) => {
+      const keyIndex = _geometryIndex[geometry];
+      let bestScore = -1;
+      let bestMatch;
+      let matchCandidates = [];
+      for (let k in tags) {
+        let indexMatches = [];
+        let valueIndex = keyIndex[k];
+        if (!valueIndex)
+          continue;
+        let keyValueMatches = valueIndex[tags[k]];
+        if (keyValueMatches)
+          indexMatches.push(...keyValueMatches);
+        let keyStarMatches = valueIndex["*"];
+        if (keyStarMatches)
+          indexMatches.push(...keyStarMatches);
+        if (indexMatches.length === 0)
+          continue;
+        for (let i2 = 0; i2 < indexMatches.length; i2++) {
+          const candidate = indexMatches[i2];
+          const score = candidate.matchScore(tags);
+          if (score === -1) {
+            continue;
+          }
+          matchCandidates.push({ score, candidate });
+          if (score > bestScore) {
+            bestScore = score;
+            bestMatch = candidate;
+          }
+        }
+      }
+      if (bestMatch && bestMatch.locationSetID && bestMatch.locationSetID !== "+[Q2]" && Array.isArray(loc)) {
+        const validHere = _sharedLocationManager.locationSetsAt(loc);
+        if (!validHere[bestMatch.locationSetID]) {
+          matchCandidates.sort((a, b) => a.score < b.score ? 1 : -1);
+          for (let i2 = 0; i2 < matchCandidates.length; i2++) {
+            const candidateScore = matchCandidates[i2];
+            if (!candidateScore.candidate.locationSetID || validHere[candidateScore.candidate.locationSetID]) {
+              bestMatch = candidateScore.candidate;
+              bestScore = candidateScore.score;
+              break;
+            }
+          }
+        }
+      }
+      if (!bestMatch || bestMatch.isFallback()) {
+        for (let k in tags) {
+          if (/^addr:/.test(k) && keyIndex["addr:*"] && keyIndex["addr:*"]["*"]) {
+            bestMatch = keyIndex["addr:*"]["*"][0];
+            break;
+          }
+        }
+      }
+      return bestMatch || _this.fallback(geometry);
+    };
+    _this.allowsVertex = (entity, resolver) => {
+      if (entity.type !== "node")
+        return false;
+      if (Object.keys(entity.tags).length === 0)
+        return true;
+      return resolver.transient(entity, "vertexMatch", () => {
+        if (entity.isOnAddressLine(resolver))
+          return true;
+        const geometries = osmNodeGeometriesForTags(entity.tags);
+        if (geometries.vertex)
+          return true;
+        if (geometries.point)
+          return false;
+        return true;
+      });
+    };
+    _this.areaKeys = () => {
+      const ignore = {
+        barrier: true,
+        highway: true,
+        footway: true,
+        railway: true,
+        junction: true,
+        traffic_calming: true,
+        type: true
+      };
+      let areaKeys = {};
+      const presets = _this.collection.filter((p) => !p.suggestion && !p.replacement);
+      presets.forEach((p) => {
+        const keys2 = p.tags && Object.keys(p.tags);
+        const key = keys2 && keys2.length && keys2[0];
+        if (!key)
+          return;
+        if (ignore[key])
+          return;
+        if (p.geometry.indexOf("area") !== -1) {
+          areaKeys[key] = areaKeys[key] || {};
+        }
+      });
+      presets.forEach((p) => {
+        let key;
+        for (key in p.addTags) {
+          const value = p.addTags[key];
+          if (key in areaKeys && // probably an area...
+          p.geometry.indexOf("line") !== -1 && // but sometimes a line
+          value !== "*") {
+            areaKeys[key][value] = true;
+          }
+        }
+      });
+      return areaKeys;
+    };
+    _this.lineTags = () => {
+      return _this.collection.filter((lineTags, d) => {
+        if (d.suggestion || d.replacement || d.searchable === false)
+          return lineTags;
+        const keys2 = d.tags && Object.keys(d.tags);
+        const key = keys2 && keys2.length && keys2[0];
+        if (!key)
+          return lineTags;
+        if (d.geometry.indexOf("line") !== -1) {
+          lineTags[key] = lineTags[key] || [];
+          lineTags[key].push(d.tags);
+        }
+        return lineTags;
+      }, {});
+    };
+    _this.pointTags = () => {
+      return _this.collection.reduce((pointTags, d) => {
+        if (d.suggestion || d.replacement || d.searchable === false)
+          return pointTags;
+        const keys2 = d.tags && Object.keys(d.tags);
+        const key = keys2 && keys2.length && keys2[0];
+        if (!key)
+          return pointTags;
+        if (d.geometry.indexOf("point") !== -1) {
+          pointTags[key] = pointTags[key] || {};
+          pointTags[key][d.tags[key]] = true;
+        }
+        return pointTags;
+      }, {});
+    };
+    _this.vertexTags = () => {
+      return _this.collection.reduce((vertexTags, d) => {
+        if (d.suggestion || d.replacement || d.searchable === false)
+          return vertexTags;
+        const keys2 = d.tags && Object.keys(d.tags);
+        const key = keys2 && keys2.length && keys2[0];
+        if (!key)
+          return vertexTags;
+        if (d.geometry.indexOf("vertex") !== -1) {
+          vertexTags[key] = vertexTags[key] || {};
+          vertexTags[key][d.tags[key]] = true;
+        }
+        return vertexTags;
+      }, {});
+    };
+    _this.field = (id2) => _fields[id2];
+    _this.universal = () => _universal;
+    _this.defaults = (geometry, n2, startWithRecents, loc, extraPresets) => {
+      let recents = [];
+      if (startWithRecents) {
+        recents = _this.recent().matchGeometry(geometry).collection.slice(0, 4);
+      }
+      let defaults2;
+      if (_addablePresetIDs) {
+        defaults2 = Array.from(_addablePresetIDs).map(function(id2) {
+          var preset = _this.item(id2);
+          if (preset && preset.matchGeometry(geometry))
+            return preset;
+          return null;
+        }).filter(Boolean);
+      } else {
+        defaults2 = _defaults[geometry].collection.concat(_this.fallback(geometry));
+      }
+      let result = presetCollection(
+        utilArrayUniq(recents.concat(defaults2).concat(extraPresets || [])).slice(0, n2 - 1)
+      );
+      if (Array.isArray(loc)) {
+        const validHere = _sharedLocationManager.locationSetsAt(loc);
+        result.collection = result.collection.filter((a) => !a.locationSetID || validHere[a.locationSetID]);
+      }
+      return result;
+    };
+    _this.addablePresetIDs = function(val) {
+      if (!arguments.length)
+        return _addablePresetIDs;
+      if (Array.isArray(val))
+        val = new Set(val);
+      _addablePresetIDs = val;
+      if (_addablePresetIDs) {
+        _this.collection.forEach((p) => {
+          if (p.addable)
+            p.addable(_addablePresetIDs.has(p.id));
+        });
+      } else {
+        _this.collection.forEach((p) => {
+          if (p.addable)
+            p.addable(true);
+        });
+      }
+      return _this;
+    };
+    _this.recent = () => {
+      return presetCollection(
+        utilArrayUniq(_this.getRecents().map((d) => d.preset).filter((d) => d.searchable !== false))
+      );
+    };
+    function RibbonItem(preset, source) {
+      let item = {};
+      item.preset = preset;
+      item.source = source;
+      item.isFavorite = () => item.source === "favorite";
+      item.isRecent = () => item.source === "recent";
+      item.matches = (preset2) => item.preset.id === preset2.id;
+      item.minified = () => ({ pID: item.preset.id });
+      return item;
+    }
+    function ribbonItemForMinified(d, source) {
+      if (d && d.pID) {
+        const preset = _this.item(d.pID);
+        if (!preset)
+          return null;
+        return RibbonItem(preset, source);
+      }
+      return null;
+    }
+    _this.getGenericRibbonItems = () => {
+      return ["point", "line", "area"].map((id2) => RibbonItem(_this.item(id2), "generic"));
+    };
+    _this.getAddable = () => {
+      if (!_addablePresetIDs)
+        return [];
+      return _addablePresetIDs.map((id2) => {
+        const preset = _this.item(id2);
+        if (preset)
+          return RibbonItem(preset, "addable");
+        return null;
+      }).filter(Boolean);
+    };
+    function setRecents(items) {
+      _recents = items;
+      const minifiedItems = items.map((d) => d.minified());
+      corePreferences("preset_recents", JSON.stringify(minifiedItems));
+      dispatch10.call("recentsChange");
+    }
+    _this.getRecents = () => {
+      if (!_recents) {
+        _recents = (JSON.parse(corePreferences("preset_recents")) || []).reduce((acc, d) => {
+          let item = ribbonItemForMinified(d, "recent");
+          if (item && item.preset.addable())
+            acc.push(item);
+          return acc;
+        }, []);
+      }
+      return _recents;
+    };
+    _this.addRecent = (preset, besidePreset, after) => {
+      const recents = _this.getRecents();
+      const beforeItem = _this.recentMatching(besidePreset);
+      let toIndex = recents.indexOf(beforeItem);
+      if (after)
+        toIndex += 1;
+      const newItem = RibbonItem(preset, "recent");
+      recents.splice(toIndex, 0, newItem);
+      setRecents(recents);
+    };
+    _this.removeRecent = (preset) => {
+      const item = _this.recentMatching(preset);
+      if (item) {
+        let items = _this.getRecents();
+        items.splice(items.indexOf(item), 1);
+        setRecents(items);
+      }
+    };
+    _this.recentMatching = (preset) => {
+      const items = _this.getRecents();
+      for (let i2 in items) {
+        if (items[i2].matches(preset)) {
+          return items[i2];
+        }
+      }
+      return null;
+    };
+    _this.moveItem = (items, fromIndex, toIndex) => {
+      if (fromIndex === toIndex || fromIndex < 0 || toIndex < 0 || fromIndex >= items.length || toIndex >= items.length)
+        return null;
+      items.splice(toIndex, 0, items.splice(fromIndex, 1)[0]);
+      return items;
+    };
+    _this.moveRecent = (item, beforeItem) => {
+      const recents = _this.getRecents();
+      const fromIndex = recents.indexOf(item);
+      const toIndex = recents.indexOf(beforeItem);
+      const items = _this.moveItem(recents, fromIndex, toIndex);
+      if (items)
+        setRecents(items);
+    };
+    _this.setMostRecent = (preset) => {
+      if (preset.searchable === false)
+        return;
+      let items = _this.getRecents();
+      let item = _this.recentMatching(preset);
+      if (item) {
+        items.splice(items.indexOf(item), 1);
+      } else {
+        item = RibbonItem(preset, "recent");
+      }
+      while (items.length >= MAXRECENTS) {
+        items.pop();
+      }
+      items.unshift(item);
+      setRecents(items);
+    };
+    function setFavorites(items) {
+      _favorites = items;
+      const minifiedItems = items.map((d) => d.minified());
+      corePreferences("preset_favorites", JSON.stringify(minifiedItems));
+      dispatch10.call("favoritePreset");
+    }
+    _this.addFavorite = (preset, besidePreset, after) => {
+      const favorites = _this.getFavorites();
+      const beforeItem = _this.favoriteMatching(besidePreset);
+      let toIndex = favorites.indexOf(beforeItem);
+      if (after)
+        toIndex += 1;
+      const newItem = RibbonItem(preset, "favorite");
+      favorites.splice(toIndex, 0, newItem);
+      setFavorites(favorites);
+    };
+    _this.toggleFavorite = (preset) => {
+      const favs = _this.getFavorites();
+      const favorite = _this.favoriteMatching(preset);
+      if (favorite) {
+        favs.splice(favs.indexOf(favorite), 1);
+      } else {
+        if (favs.length === 10) {
+          favs.pop();
+        }
+        favs.push(RibbonItem(preset, "favorite"));
+      }
+      setFavorites(favs);
+    };
+    _this.removeFavorite = (preset) => {
+      const item = _this.favoriteMatching(preset);
+      if (item) {
+        const items = _this.getFavorites();
+        items.splice(items.indexOf(item), 1);
+        setFavorites(items);
+      }
+    };
+    _this.getFavorites = () => {
+      if (!_favorites) {
+        let rawFavorites = JSON.parse(corePreferences("preset_favorites"));
+        if (!rawFavorites) {
+          rawFavorites = [];
+          corePreferences("preset_favorites", JSON.stringify(rawFavorites));
+        }
+        _favorites = rawFavorites.reduce((output, d) => {
+          const item = ribbonItemForMinified(d, "favorite");
+          if (item && item.preset.addable())
+            output.push(item);
+          return output;
+        }, []);
+      }
+      return _favorites;
+    };
+    _this.favoriteMatching = (preset) => {
+      const favs = _this.getFavorites();
+      for (let index in favs) {
+        if (favs[index].matches(preset)) {
+          return favs[index];
+        }
+      }
+      return null;
+    };
+    return utilRebind(_this, dispatch10, "on");
+  }
+
+  // modules/util/util.js
+  function utilTagText(entity) {
+    var obj = entity && entity.tags || {};
+    return Object.keys(obj).map(function(k) {
+      return k + "=" + obj[k];
+    }).join(", ");
+  }
+  function utilTotalExtent(array2, graph) {
+    var extent = geoExtent();
+    var val, entity;
+    for (var i2 = 0; i2 < array2.length; i2++) {
+      val = array2[i2];
+      entity = typeof val === "string" ? graph.hasEntity(val) : val;
+      if (entity) {
+        extent._extend(entity.extent(graph));
+      }
+    }
+    return extent;
+  }
+  function utilTagDiff(oldTags, newTags) {
+    var tagDiff = [];
+    var keys2 = utilArrayUnion(Object.keys(oldTags), Object.keys(newTags)).sort();
+    keys2.forEach(function(k) {
+      var oldVal = oldTags[k];
+      var newVal = newTags[k];
+      if ((oldVal || oldVal === "") && (newVal === void 0 || newVal !== oldVal)) {
+        tagDiff.push({
+          type: "-",
+          key: k,
+          oldVal,
+          newVal,
+          display: "- " + k + "=" + oldVal
+        });
+      }
+      if ((newVal || newVal === "") && (oldVal === void 0 || newVal !== oldVal)) {
+        tagDiff.push({
+          type: "+",
+          key: k,
+          oldVal,
+          newVal,
+          display: "+ " + k + "=" + newVal
+        });
+      }
+    });
+    return tagDiff;
+  }
+  function utilEntitySelector(ids) {
+    return ids.length ? "." + ids.join(",.") : "nothing";
+  }
+  function utilEntityOrMemberSelector(ids, graph) {
+    var seen = new Set(ids);
+    ids.forEach(collectShallowDescendants);
+    return utilEntitySelector(Array.from(seen));
+    function collectShallowDescendants(id2) {
+      var entity = graph.hasEntity(id2);
+      if (!entity || entity.type !== "relation")
+        return;
+      entity.members.map(function(member) {
+        return member.id;
+      }).forEach(function(id3) {
+        seen.add(id3);
+      });
+    }
+  }
+  function utilEntityOrDeepMemberSelector(ids, graph) {
+    return utilEntitySelector(utilEntityAndDeepMemberIDs(ids, graph));
+  }
+  function utilEntityAndDeepMemberIDs(ids, graph) {
+    var seen = /* @__PURE__ */ new Set();
+    ids.forEach(collectDeepDescendants);
+    return Array.from(seen);
+    function collectDeepDescendants(id2) {
+      if (seen.has(id2))
+        return;
+      seen.add(id2);
+      var entity = graph.hasEntity(id2);
+      if (!entity || entity.type !== "relation")
+        return;
+      entity.members.map(function(member) {
+        return member.id;
+      }).forEach(collectDeepDescendants);
+    }
+  }
+  function utilDeepMemberSelector(ids, graph, skipMultipolgonMembers) {
+    var idsSet = new Set(ids);
+    var seen = /* @__PURE__ */ new Set();
+    var returners = /* @__PURE__ */ new Set();
+    ids.forEach(collectDeepDescendants);
+    return utilEntitySelector(Array.from(returners));
+    function collectDeepDescendants(id2) {
+      if (seen.has(id2))
+        return;
+      seen.add(id2);
+      if (!idsSet.has(id2)) {
+        returners.add(id2);
+      }
+      var entity = graph.hasEntity(id2);
+      if (!entity || entity.type !== "relation")
+        return;
+      if (skipMultipolgonMembers && entity.isMultipolygon())
+        return;
+      entity.members.map(function(member) {
+        return member.id;
+      }).forEach(collectDeepDescendants);
+    }
+  }
+  function utilHighlightEntities(ids, highlighted, context) {
+    context.surface().selectAll(utilEntityOrDeepMemberSelector(ids, context.graph())).classed("highlighted", highlighted);
+  }
+  function utilGetAllNodes(ids, graph) {
+    var seen = /* @__PURE__ */ new Set();
+    var nodes = /* @__PURE__ */ new Set();
+    ids.forEach(collectNodes);
+    return Array.from(nodes);
+    function collectNodes(id2) {
+      if (seen.has(id2))
+        return;
+      seen.add(id2);
+      var entity = graph.hasEntity(id2);
+      if (!entity)
+        return;
+      if (entity.type === "node") {
+        nodes.add(entity);
+      } else if (entity.type === "way") {
+        entity.nodes.forEach(collectNodes);
+      } else {
+        entity.members.map(function(member) {
+          return member.id;
+        }).forEach(collectNodes);
+      }
+    }
+  }
+  function utilDisplayName(entity) {
+    var localizedNameKey = "name:" + _mainLocalizer.languageCode().toLowerCase();
+    var name = entity.tags[localizedNameKey] || entity.tags.name || "";
+    if (name)
+      return name;
+    var tags = {
+      direction: entity.tags.direction,
+      from: entity.tags.from,
+      network: entity.tags.cycle_network || entity.tags.network,
+      ref: entity.tags.ref,
+      to: entity.tags.to,
+      via: entity.tags.via
+    };
+    var keyComponents = [];
+    if (tags.network) {
+      keyComponents.push("network");
+    }
+    if (tags.ref) {
+      keyComponents.push("ref");
+    }
+    if (entity.tags.route) {
+      if (tags.direction) {
+        keyComponents.push("direction");
+      } else if (tags.from && tags.to) {
+        keyComponents.push("from");
+        keyComponents.push("to");
+        if (tags.via) {
+          keyComponents.push("via");
+        }
+      }
+    }
+    if (keyComponents.length) {
+      name = _t("inspector.display_name." + keyComponents.join("_"), tags);
+    }
+    return name;
+  }
+  function utilDisplayNameForPath(entity) {
+    var name = utilDisplayName(entity);
+    var isFirefox = utilDetect().browser.toLowerCase().indexOf("firefox") > -1;
+    var isNewChromium = Number(utilDetect().version.split(".")[0]) >= 96;
+    if (!isFirefox && !isNewChromium && name && rtlRegex.test(name)) {
+      name = fixRTLTextForSvg(name);
+    }
+    return name;
+  }
+  function utilDisplayType(id2) {
+    return {
+      n: _t("inspector.node"),
+      w: _t("inspector.way"),
+      r: _t("inspector.relation")
+    }[id2.charAt(0)];
+  }
+  function utilDisplayLabel(entity, graphOrGeometry, verbose) {
+    var result;
+    var displayName = utilDisplayName(entity);
+    var preset = typeof graphOrGeometry === "string" ? _mainPresetIndex.matchTags(entity.tags, graphOrGeometry) : _mainPresetIndex.match(entity, graphOrGeometry);
+    var presetName = preset && (preset.suggestion ? preset.subtitle() : preset.name());
+    if (verbose) {
+      result = [presetName, displayName].filter(Boolean).join(" ");
+    } else {
+      result = displayName || presetName;
+    }
+    return result || utilDisplayType(entity.id);
+  }
+  function utilEntityRoot(entityType) {
+    return {
+      node: "n",
+      way: "w",
+      relation: "r"
+    }[entityType];
+  }
+  function utilCombinedTags(entityIDs, graph) {
+    var tags = {};
+    var tagCounts = {};
+    var allKeys = /* @__PURE__ */ new Set();
+    var entities = entityIDs.map(function(entityID) {
+      return graph.hasEntity(entityID);
+    }).filter(Boolean);
+    entities.forEach(function(entity) {
+      var keys2 = Object.keys(entity.tags).filter(Boolean);
+      keys2.forEach(function(key2) {
+        allKeys.add(key2);
+      });
+    });
+    entities.forEach(function(entity) {
+      allKeys.forEach(function(key2) {
+        var value = entity.tags[key2];
+        if (!tags.hasOwnProperty(key2)) {
+          tags[key2] = value;
+        } else {
+          if (!Array.isArray(tags[key2])) {
+            if (tags[key2] !== value) {
+              tags[key2] = [tags[key2], value];
+            }
+          } else {
+            if (tags[key2].indexOf(value) === -1) {
+              tags[key2].push(value);
+            }
+          }
+        }
+        var tagHash = key2 + "=" + value;
+        if (!tagCounts[tagHash])
+          tagCounts[tagHash] = 0;
+        tagCounts[tagHash] += 1;
+      });
+    });
+    for (var key in tags) {
+      if (!Array.isArray(tags[key]))
+        continue;
+      tags[key] = tags[key].sort(function(val12, val2) {
+        var key2 = key2;
+        var count2 = tagCounts[key2 + "=" + val2];
+        var count1 = tagCounts[key2 + "=" + val12];
+        if (count2 !== count1) {
+          return count2 - count1;
+        }
+        if (val2 && val12) {
+          return val12.localeCompare(val2);
+        }
+        return val12 ? 1 : -1;
+      });
+    }
+    return tags;
+  }
+  function utilStringQs(str2) {
+    var i2 = 0;
+    while (i2 < str2.length && (str2[i2] === "?" || str2[i2] === "#"))
+      i2++;
+    str2 = str2.slice(i2);
+    return str2.split("&").reduce(function(obj, pair2) {
+      var parts = pair2.split("=");
+      if (parts.length === 2) {
+        obj[parts[0]] = null === parts[1] ? "" : decodeURIComponent(parts[1]);
+      }
+      return obj;
+    }, {});
+  }
+  function utilQsString(obj, noencode) {
+    function softEncode(s) {
+      return encodeURIComponent(s).replace(/(%2F|%3A|%2C|%7B|%7D)/g, decodeURIComponent);
+    }
+    return Object.keys(obj).sort().map(function(key) {
+      return encodeURIComponent(key) + "=" + (noencode ? softEncode(obj[key]) : encodeURIComponent(obj[key]));
+    }).join("&");
+  }
+  function utilPrefixDOMProperty(property) {
+    var prefixes2 = ["webkit", "ms", "moz", "o"];
+    var i2 = -1;
+    var n2 = prefixes2.length;
+    var s = document.body;
+    if (property in s)
+      return property;
+    property = property.slice(0, 1).toUpperCase() + property.slice(1);
+    while (++i2 < n2) {
+      if (prefixes2[i2] + property in s) {
+        return prefixes2[i2] + property;
+      }
+    }
+    return false;
+  }
+  function utilPrefixCSSProperty(property) {
+    var prefixes2 = ["webkit", "ms", "Moz", "O"];
+    var i2 = -1;
+    var n2 = prefixes2.length;
+    var s = document.body.style;
+    if (property.toLowerCase() in s) {
+      return property.toLowerCase();
+    }
+    while (++i2 < n2) {
+      if (prefixes2[i2] + property in s) {
+        return "-" + prefixes2[i2].toLowerCase() + property.replace(/([A-Z])/g, "-$1").toLowerCase();
+      }
+    }
+    return false;
+  }
+  var transformProperty;
+  function utilSetTransform(el, x, y, scale) {
+    var prop = transformProperty = transformProperty || utilPrefixCSSProperty("Transform");
+    var translate = utilDetect().opera ? "translate(" + x + "px," + y + "px)" : "translate3d(" + x + "px," + y + "px,0)";
+    return el.style(prop, translate + (scale ? " scale(" + scale + ")" : ""));
+  }
+  function utilEditDistance(a, b) {
+    a = (0, import_diacritics.remove)(a.toLowerCase());
+    b = (0, import_diacritics.remove)(b.toLowerCase());
+    if (a.length === 0)
+      return b.length;
+    if (b.length === 0)
+      return a.length;
+    var matrix = [];
+    var i2, j2;
+    for (i2 = 0; i2 <= b.length; i2++) {
+      matrix[i2] = [i2];
+    }
+    for (j2 = 0; j2 <= a.length; j2++) {
+      matrix[0][j2] = j2;
+    }
+    for (i2 = 1; i2 <= b.length; i2++) {
+      for (j2 = 1; j2 <= a.length; j2++) {
+        if (b.charAt(i2 - 1) === a.charAt(j2 - 1)) {
+          matrix[i2][j2] = matrix[i2 - 1][j2 - 1];
+        } else {
+          matrix[i2][j2] = Math.min(
+            matrix[i2 - 1][j2 - 1] + 1,
+            // substitution
+            Math.min(
+              matrix[i2][j2 - 1] + 1,
+              // insertion
+              matrix[i2 - 1][j2] + 1
+            )
+          );
+        }
+      }
+    }
+    return matrix[b.length][a.length];
+  }
+  function utilFastMouse(container) {
+    var rect = container.getBoundingClientRect();
+    var rectLeft = rect.left;
+    var rectTop = rect.top;
+    var clientLeft = +container.clientLeft;
+    var clientTop = +container.clientTop;
+    return function(e) {
+      return [
+        e.clientX - rectLeft - clientLeft,
+        e.clientY - rectTop - clientTop
+      ];
+    };
+  }
+  function utilAsyncMap(inputs, func, callback) {
+    var remaining = inputs.length;
+    var results = [];
+    var errors = [];
+    inputs.forEach(function(d, i2) {
+      func(d, function done(err, data) {
+        errors[i2] = err;
+        results[i2] = data;
+        remaining--;
+        if (!remaining)
+          callback(errors, results);
+      });
+    });
+  }
+  function utilWrap(index, length) {
+    if (index < 0) {
+      index += Math.ceil(-index / length) * length;
+    }
+    return index % length;
+  }
+  function utilFunctor(value) {
+    if (typeof value === "function")
+      return value;
+    return function() {
+      return value;
+    };
+  }
+  function utilNoAuto(selection2) {
+    var isText = selection2.size() && selection2.node().tagName.toLowerCase() === "textarea";
+    return selection2.attr("autocomplete", "new-password").attr("autocorrect", "off").attr("autocapitalize", "off").attr("spellcheck", isText ? "true" : "false");
+  }
+  function utilHashcode(str2) {
+    var hash = 0;
+    if (str2.length === 0) {
+      return hash;
+    }
+    for (var i2 = 0; i2 < str2.length; i2++) {
+      var char = str2.charCodeAt(i2);
+      hash = (hash << 5) - hash + char;
+      hash = hash & hash;
+    }
+    return hash;
+  }
+  function utilSafeClassName(str2) {
+    return str2.toLowerCase().replace(/[^a-z0-9]+/g, "_");
+  }
+  function utilUniqueDomId(val) {
+    return "ideditor-" + utilSafeClassName(val.toString()) + "-" + (/* @__PURE__ */ new Date()).getTime().toString();
+  }
+  function utilUnicodeCharsCount(str2) {
+    return Array.from(str2).length;
+  }
+  function utilUnicodeCharsTruncated(str2, limit) {
+    return Array.from(str2).slice(0, limit).join("");
+  }
+  function toNumericID(id2) {
+    var match = id2.match(/^[cnwr](-?\d+)$/);
+    if (match) {
+      return parseInt(match[1], 10);
+    }
+    return NaN;
+  }
+  function compareNumericIDs(left, right) {
+    if (isNaN(left) && isNaN(right))
+      return -1;
+    if (isNaN(left))
+      return 1;
+    if (isNaN(right))
+      return -1;
+    if (Math.sign(left) !== Math.sign(right))
+      return -Math.sign(left);
+    if (Math.sign(left) < 0)
+      return Math.sign(right - left);
+    return Math.sign(left - right);
+  }
+  function utilCompareIDs(left, right) {
+    return compareNumericIDs(toNumericID(left), toNumericID(right));
+  }
+  function utilOldestID(ids) {
+    if (ids.length === 0) {
+      return void 0;
+    }
+    var oldestIDIndex = 0;
+    var oldestID = toNumericID(ids[0]);
+    for (var i2 = 1; i2 < ids.length; i2++) {
+      var num = toNumericID(ids[i2]);
+      if (compareNumericIDs(oldestID, num) === 1) {
+        oldestIDIndex = i2;
+        oldestID = num;
+      }
+    }
+    return ids[oldestIDIndex];
+  }
+  function utilCleanOsmString(val, maxChars) {
+    if (val === void 0 || val === null) {
+      val = "";
+    } else {
+      val = val.toString();
+    }
+    val = val.trim();
+    if (val.normalize)
+      val = val.normalize("NFC");
+    return utilUnicodeCharsTruncated(val, maxChars);
+  }
+
+  // modules/osm/entity.js
+  function osmEntity(attrs) {
+    if (this instanceof osmEntity)
+      return;
+    if (attrs && attrs.type) {
+      return osmEntity[attrs.type].apply(this, arguments);
+    } else if (attrs && attrs.id) {
+      return osmEntity[osmEntity.id.type(attrs.id)].apply(this, arguments);
+    }
+    return new osmEntity().initialize(arguments);
+  }
+  osmEntity.id = function(type2) {
+    return osmEntity.id.fromOSM(type2, osmEntity.id.next[type2]--);
+  };
+  osmEntity.id.next = {
+    changeset: -1,
+    node: -1,
+    way: -1,
+    relation: -1
+  };
+  osmEntity.id.fromOSM = function(type2, id2) {
+    return type2[0] + id2;
+  };
+  osmEntity.id.toOSM = function(id2) {
+    var match = id2.match(/^[cnwr](-?\d+)$/);
+    if (match) {
+      return match[1];
+    }
+    return "";
+  };
+  osmEntity.id.type = function(id2) {
+    return { "c": "changeset", "n": "node", "w": "way", "r": "relation" }[id2[0]];
+  };
+  osmEntity.key = function(entity) {
+    return entity.id + "v" + (entity.v || 0);
+  };
+  var _deprecatedTagValuesByKey;
+  osmEntity.deprecatedTagValuesByKey = function(dataDeprecated) {
+    if (!_deprecatedTagValuesByKey) {
+      _deprecatedTagValuesByKey = {};
+      dataDeprecated.forEach(function(d) {
+        var oldKeys = Object.keys(d.old);
+        if (oldKeys.length === 1) {
+          var oldKey = oldKeys[0];
+          var oldValue = d.old[oldKey];
+          if (oldValue !== "*") {
+            if (!_deprecatedTagValuesByKey[oldKey]) {
+              _deprecatedTagValuesByKey[oldKey] = [oldValue];
+            } else {
+              _deprecatedTagValuesByKey[oldKey].push(oldValue);
+            }
+          }
+        }
+      });
+    }
+    return _deprecatedTagValuesByKey;
+  };
+  osmEntity.prototype = {
+    tags: {},
+    initialize: function(sources) {
+      for (var i2 = 0; i2 < sources.length; ++i2) {
+        var source = sources[i2];
+        for (var prop in source) {
+          if (Object.prototype.hasOwnProperty.call(source, prop)) {
+            if (source[prop] === void 0) {
+              delete this[prop];
+            } else {
+              this[prop] = source[prop];
+            }
+          }
+        }
+      }
+      if (!this.id && this.type) {
+        this.id = osmEntity.id(this.type);
+      }
+      if (!this.hasOwnProperty("visible")) {
+        this.visible = true;
+      }
+      if (debug) {
+        Object.freeze(this);
+        Object.freeze(this.tags);
+        if (this.loc)
+          Object.freeze(this.loc);
+        if (this.nodes)
+          Object.freeze(this.nodes);
+        if (this.members)
+          Object.freeze(this.members);
+      }
+      return this;
+    },
+    copy: function(resolver, copies) {
+      if (copies[this.id])
+        return copies[this.id];
+      var copy2 = osmEntity(this, { id: void 0, user: void 0, version: void 0 });
+      copies[this.id] = copy2;
+      return copy2;
+    },
+    osmId: function() {
+      return osmEntity.id.toOSM(this.id);
+    },
+    isNew: function() {
+      var osmId = osmEntity.id.toOSM(this.id);
+      return osmId.length === 0 || osmId[0] === "-";
+    },
+    update: function(attrs) {
+      return osmEntity(this, attrs, { v: 1 + (this.v || 0) });
+    },
+    mergeTags: function(tags) {
+      var merged = Object.assign({}, this.tags);
+      var changed = false;
+      for (var k in tags) {
+        var t1 = merged[k];
+        var t2 = tags[k];
+        if (!t1) {
+          changed = true;
+          merged[k] = t2;
+        } else if (t1 !== t2) {
+          changed = true;
+          merged[k] = utilUnicodeCharsTruncated(
+            utilArrayUnion(t1.split(/;\s*/), t2.split(/;\s*/)).join(";"),
+            255
+            // avoid exceeding character limit; see also context.maxCharsForTagValue()
+          );
+        }
+      }
+      return changed ? this.update({ tags: merged }) : this;
+    },
+    intersects: function(extent, resolver) {
+      return this.extent(resolver).intersects(extent);
+    },
+    hasNonGeometryTags: function() {
+      return Object.keys(this.tags).some(function(k) {
+        return k !== "area";
+      });
+    },
+    hasParentRelations: function(resolver) {
+      return resolver.parentRelations(this).length > 0;
+    },
+    hasInterestingTags: function() {
+      return Object.keys(this.tags).some(osmIsInterestingTag);
+    },
+    isHighwayIntersection: function() {
+      return false;
+    },
+    isDegenerate: function() {
+      return true;
+    },
+    deprecatedTags: function(dataDeprecated) {
+      var tags = this.tags;
+      if (Object.keys(tags).length === 0)
+        return [];
+      var deprecated = [];
+      dataDeprecated.forEach(function(d) {
+        var oldKeys = Object.keys(d.old);
+        if (d.replace) {
+          var hasExistingValues = Object.keys(d.replace).some(function(replaceKey) {
+            if (!tags[replaceKey] || d.old[replaceKey])
+              return false;
+            var replaceValue = d.replace[replaceKey];
+            if (replaceValue === "*")
+              return false;
+            if (replaceValue === tags[replaceKey])
+              return false;
+            return true;
+          });
+          if (hasExistingValues)
+            return;
+        }
+        var matchesDeprecatedTags = oldKeys.every(function(oldKey) {
+          if (!tags[oldKey])
+            return false;
+          if (d.old[oldKey] === "*")
+            return true;
+          if (d.old[oldKey] === tags[oldKey])
+            return true;
+          var vals = tags[oldKey].split(";").filter(Boolean);
+          if (vals.length === 0) {
+            return false;
+          } else if (vals.length > 1) {
+            return vals.indexOf(d.old[oldKey]) !== -1;
+          } else {
+            if (tags[oldKey] === d.old[oldKey]) {
+              if (d.replace && d.old[oldKey] === d.replace[oldKey]) {
+                var replaceKeys = Object.keys(d.replace);
+                return !replaceKeys.every(function(replaceKey) {
+                  return tags[replaceKey] === d.replace[replaceKey];
+                });
+              } else {
+                return true;
+              }
+            }
+          }
+          return false;
+        });
+        if (matchesDeprecatedTags) {
+          deprecated.push(d);
+        }
+      });
+      return deprecated;
+    }
+  };
+
+  // modules/osm/lanes.js
+  function osmLanes(entity) {
+    if (entity.type !== "way")
+      return null;
+    if (!entity.tags.highway)
+      return null;
+    var tags = entity.tags;
+    var isOneWay = entity.isOneWay();
+    var laneCount = getLaneCount(tags, isOneWay);
+    var maxspeed = parseMaxspeed(tags);
+    var laneDirections = parseLaneDirections(tags, isOneWay, laneCount);
+    var forward = laneDirections.forward;
+    var backward = laneDirections.backward;
+    var bothways = laneDirections.bothways;
+    var turnLanes = {};
+    turnLanes.unspecified = parseTurnLanes(tags["turn:lanes"]);
+    turnLanes.forward = parseTurnLanes(tags["turn:lanes:forward"]);
+    turnLanes.backward = parseTurnLanes(tags["turn:lanes:backward"]);
+    var maxspeedLanes = {};
+    maxspeedLanes.unspecified = parseMaxspeedLanes(tags["maxspeed:lanes"], maxspeed);
+    maxspeedLanes.forward = parseMaxspeedLanes(tags["maxspeed:lanes:forward"], maxspeed);
+    maxspeedLanes.backward = parseMaxspeedLanes(tags["maxspeed:lanes:backward"], maxspeed);
+    var psvLanes = {};
+    psvLanes.unspecified = parseMiscLanes(tags["psv:lanes"]);
+    psvLanes.forward = parseMiscLanes(tags["psv:lanes:forward"]);
+    psvLanes.backward = parseMiscLanes(tags["psv:lanes:backward"]);
+    var busLanes = {};
+    busLanes.unspecified = parseMiscLanes(tags["bus:lanes"]);
+    busLanes.forward = parseMiscLanes(tags["bus:lanes:forward"]);
+    busLanes.backward = parseMiscLanes(tags["bus:lanes:backward"]);
+    var taxiLanes = {};
+    taxiLanes.unspecified = parseMiscLanes(tags["taxi:lanes"]);
+    taxiLanes.forward = parseMiscLanes(tags["taxi:lanes:forward"]);
+    taxiLanes.backward = parseMiscLanes(tags["taxi:lanes:backward"]);
+    var hovLanes = {};
+    hovLanes.unspecified = parseMiscLanes(tags["hov:lanes"]);
+    hovLanes.forward = parseMiscLanes(tags["hov:lanes:forward"]);
+    hovLanes.backward = parseMiscLanes(tags["hov:lanes:backward"]);
+    var hgvLanes = {};
+    hgvLanes.unspecified = parseMiscLanes(tags["hgv:lanes"]);
+    hgvLanes.forward = parseMiscLanes(tags["hgv:lanes:forward"]);
+    hgvLanes.backward = parseMiscLanes(tags["hgv:lanes:backward"]);
+    var bicyclewayLanes = {};
+    bicyclewayLanes.unspecified = parseBicycleWay(tags["bicycleway:lanes"]);
+    bicyclewayLanes.forward = parseBicycleWay(tags["bicycleway:lanes:forward"]);
+    bicyclewayLanes.backward = parseBicycleWay(tags["bicycleway:lanes:backward"]);
+    var lanesObj = {
+      forward: [],
+      backward: [],
+      unspecified: []
+    };
+    mapToLanesObj(lanesObj, turnLanes, "turnLane");
+    mapToLanesObj(lanesObj, maxspeedLanes, "maxspeed");
+    mapToLanesObj(lanesObj, psvLanes, "psv");
+    mapToLanesObj(lanesObj, busLanes, "bus");
+    mapToLanesObj(lanesObj, taxiLanes, "taxi");
+    mapToLanesObj(lanesObj, hovLanes, "hov");
+    mapToLanesObj(lanesObj, hgvLanes, "hgv");
+    mapToLanesObj(lanesObj, bicyclewayLanes, "bicycleway");
+    return {
+      metadata: {
+        count: laneCount,
+        oneway: isOneWay,
+        forward,
+        backward,
+        bothways,
+        turnLanes,
+        maxspeed,
+        maxspeedLanes,
+        psvLanes,
+        busLanes,
+        taxiLanes,
+        hovLanes,
+        hgvLanes,
+        bicyclewayLanes
+      },
+      lanes: lanesObj
+    };
+  }
+  function getLaneCount(tags, isOneWay) {
+    var count;
+    if (tags.lanes) {
+      count = parseInt(tags.lanes, 10);
+      if (count > 0) {
+        return count;
+      }
+    }
+    switch (tags.highway) {
+      case "trunk":
+      case "motorway":
+        count = isOneWay ? 2 : 4;
+        break;
+      default:
+        count = isOneWay ? 1 : 2;
+        break;
+    }
+    return count;
+  }
+  function parseMaxspeed(tags) {
+    var maxspeed = tags.maxspeed;
+    if (!maxspeed)
+      return;
+    var maxspeedRegex = /^([0-9][\.0-9]+?)(?:[ ]?(?:km\/h|kmh|kph|mph|knots))?$/;
+    if (!maxspeedRegex.test(maxspeed))
+      return;
+    return parseInt(maxspeed, 10);
+  }
+  function parseLaneDirections(tags, isOneWay, laneCount) {
+    var forward = parseInt(tags["lanes:forward"], 10);
+    var backward = parseInt(tags["lanes:backward"], 10);
+    var bothways = parseInt(tags["lanes:both_ways"], 10) > 0 ? 1 : 0;
+    if (parseInt(tags.oneway, 10) === -1) {
+      forward = 0;
+      bothways = 0;
+      backward = laneCount;
+    } else if (isOneWay) {
+      forward = laneCount;
+      bothways = 0;
+      backward = 0;
+    } else if (isNaN(forward) && isNaN(backward)) {
+      backward = Math.floor((laneCount - bothways) / 2);
+      forward = laneCount - bothways - backward;
+    } else if (isNaN(forward)) {
+      if (backward > laneCount - bothways) {
+        backward = laneCount - bothways;
+      }
+      forward = laneCount - bothways - backward;
+    } else if (isNaN(backward)) {
+      if (forward > laneCount - bothways) {
+        forward = laneCount - bothways;
+      }
+      backward = laneCount - bothways - forward;
+    }
+    return {
+      forward,
+      backward,
+      bothways
+    };
+  }
+  function parseTurnLanes(tag) {
+    if (!tag)
+      return;
+    var validValues = [
+      "left",
+      "slight_left",
+      "sharp_left",
+      "through",
+      "right",
+      "slight_right",
+      "sharp_right",
+      "reverse",
+      "merge_to_left",
+      "merge_to_right",
+      "none"
+    ];
+    return tag.split("|").map(function(s) {
+      if (s === "")
+        s = "none";
+      return s.split(";").map(function(d) {
+        return validValues.indexOf(d) === -1 ? "unknown" : d;
+      });
+    });
+  }
+  function parseMaxspeedLanes(tag, maxspeed) {
+    if (!tag)
+      return;
+    return tag.split("|").map(function(s) {
+      if (s === "none")
+        return s;
+      var m = parseInt(s, 10);
+      if (s === "" || m === maxspeed)
+        return null;
+      return isNaN(m) ? "unknown" : m;
+    });
+  }
+  function parseMiscLanes(tag) {
+    if (!tag)
+      return;
+    var validValues = [
+      "yes",
+      "no",
+      "designated"
+    ];
+    return tag.split("|").map(function(s) {
+      if (s === "")
+        s = "no";
+      return validValues.indexOf(s) === -1 ? "unknown" : s;
+    });
+  }
+  function parseBicycleWay(tag) {
+    if (!tag)
+      return;
+    var validValues = [
+      "yes",
+      "no",
+      "designated",
+      "lane"
+    ];
+    return tag.split("|").map(function(s) {
+      if (s === "")
+        s = "no";
+      return validValues.indexOf(s) === -1 ? "unknown" : s;
+    });
+  }
+  function mapToLanesObj(lanesObj, data, key) {
+    if (data.forward) {
+      data.forward.forEach(function(l, i2) {
+        if (!lanesObj.forward[i2])
+          lanesObj.forward[i2] = {};
+        lanesObj.forward[i2][key] = l;
+      });
+    }
+    if (data.backward) {
+      data.backward.forEach(function(l, i2) {
+        if (!lanesObj.backward[i2])
+          lanesObj.backward[i2] = {};
+        lanesObj.backward[i2][key] = l;
+      });
+    }
+    if (data.unspecified) {
+      data.unspecified.forEach(function(l, i2) {
+        if (!lanesObj.unspecified[i2])
+          lanesObj.unspecified[i2] = {};
+        lanesObj.unspecified[i2][key] = l;
+      });
+    }
+  }
+
+  // modules/osm/way.js
+  function osmWay() {
+    if (!(this instanceof osmWay)) {
+      return new osmWay().initialize(arguments);
+    } else if (arguments.length) {
+      this.initialize(arguments);
+    }
+  }
+  osmEntity.way = osmWay;
+  osmWay.prototype = Object.create(osmEntity.prototype);
+  Object.assign(osmWay.prototype, {
+    type: "way",
+    nodes: [],
+    copy: function(resolver, copies) {
+      if (copies[this.id])
+        return copies[this.id];
+      var copy2 = osmEntity.prototype.copy.call(this, resolver, copies);
+      var nodes = this.nodes.map(function(id2) {
+        return resolver.entity(id2).copy(resolver, copies).id;
+      });
+      copy2 = copy2.update({ nodes });
+      copies[this.id] = copy2;
+      return copy2;
+    },
+    extent: function(resolver) {
+      return resolver.transient(this, "extent", function() {
+        var extent = geoExtent();
+        for (var i2 = 0; i2 < this.nodes.length; i2++) {
+          var node = resolver.hasEntity(this.nodes[i2]);
+          if (node) {
+            extent._extend(node.extent());
+          }
+        }
+        return extent;
+      });
+    },
+    first: function() {
+      return this.nodes[0];
+    },
+    last: function() {
+      return this.nodes[this.nodes.length - 1];
+    },
+    contains: function(node) {
+      return this.nodes.indexOf(node) >= 0;
+    },
+    affix: function(node) {
+      if (this.nodes[0] === node)
+        return "prefix";
+      if (this.nodes[this.nodes.length - 1] === node)
+        return "suffix";
+    },
+    layer: function() {
+      if (isFinite(this.tags.layer)) {
+        return Math.max(-10, Math.min(+this.tags.layer, 10));
+      }
+      if (this.tags.covered === "yes")
+        return -1;
+      if (this.tags.location === "overground")
+        return 1;
+      if (this.tags.location === "underground")
+        return -1;
+      if (this.tags.location === "underwater")
+        return -10;
+      if (this.tags.power === "line")
+        return 10;
+      if (this.tags.power === "minor_line")
+        return 10;
+      if (this.tags.aerialway)
+        return 10;
+      if (this.tags.bridge)
+        return 1;
+      if (this.tags.cutting)
+        return -1;
+      if (this.tags.tunnel)
+        return -1;
+      if (this.tags.waterway)
+        return -1;
+      if (this.tags.man_made === "pipeline")
+        return -10;
+      if (this.tags.boundary)
+        return -10;
+      return 0;
+    },
+    // the approximate width of the line based on its tags except its `width` tag
+    impliedLineWidthMeters: function() {
+      var averageWidths = {
+        highway: {
+          // width is for single lane
+          motorway: 5,
+          motorway_link: 5,
+          trunk: 4.5,
+          trunk_link: 4.5,
+          primary: 4,
+          secondary: 4,
+          tertiary: 4,
+          primary_link: 4,
+          secondary_link: 4,
+          tertiary_link: 4,
+          unclassified: 4,
+          road: 4,
+          living_street: 4,
+          bus_guideway: 4,
+          pedestrian: 4,
+          residential: 3.5,
+          service: 3.5,
+          track: 3,
+          cycleway: 2.5,
+          bridleway: 2,
+          corridor: 2,
+          steps: 2,
+          path: 1.5,
+          footway: 1.5
+        },
+        railway: {
+          // width includes ties and rail bed, not just track gauge
+          rail: 2.5,
+          light_rail: 2.5,
+          tram: 2.5,
+          subway: 2.5,
+          monorail: 2.5,
+          funicular: 2.5,
+          disused: 2.5,
+          preserved: 2.5,
+          miniature: 1.5,
+          narrow_gauge: 1.5
+        },
+        waterway: {
+          river: 50,
+          canal: 25,
+          stream: 5,
+          tidal_channel: 5,
+          fish_pass: 2.5,
+          drain: 2.5,
+          ditch: 1.5
+        }
+      };
+      for (var key in averageWidths) {
+        if (this.tags[key] && averageWidths[key][this.tags[key]]) {
+          var width = averageWidths[key][this.tags[key]];
+          if (key === "highway") {
+            var laneCount = this.tags.lanes && parseInt(this.tags.lanes, 10);
+            if (!laneCount)
+              laneCount = this.isOneWay() ? 1 : 2;
+            return width * laneCount;
+          }
+          return width;
+        }
+      }
+      return null;
+    },
+    isOneWay: function() {
+      var values = {
+        "yes": true,
+        "1": true,
+        "-1": true,
+        "reversible": true,
+        "alternating": true,
+        "no": false,
+        "0": false
+      };
+      if (values[this.tags.oneway] !== void 0) {
+        return values[this.tags.oneway];
+      }
+      for (var key in this.tags) {
+        if (key in osmOneWayTags && this.tags[key] in osmOneWayTags[key]) {
+          return true;
+        }
+      }
+      return false;
+    },
+    // Some identifier for tag that implies that this way is "sided",
+    // i.e. the right side is the 'inside' (e.g. the right side of a
+    // natural=cliff is lower).
+    sidednessIdentifier: function() {
+      for (const realKey in this.tags) {
+        const value = this.tags[realKey];
+        const key = osmRemoveLifecyclePrefix(realKey);
+        if (key in osmRightSideIsInsideTags && value in osmRightSideIsInsideTags[key]) {
+          if (osmRightSideIsInsideTags[key][value] === true) {
+            return key;
+          } else {
+            return osmRightSideIsInsideTags[key][value];
+          }
+        }
+      }
+      return null;
+    },
+    isSided: function() {
+      if (this.tags.two_sided === "yes") {
+        return false;
+      }
+      return this.sidednessIdentifier() !== null;
+    },
+    lanes: function() {
+      return osmLanes(this);
+    },
+    isClosed: function() {
+      return this.nodes.length > 1 && this.first() === this.last();
+    },
+    isConvex: function(resolver) {
+      if (!this.isClosed() || this.isDegenerate())
+        return null;
+      var nodes = utilArrayUniq(resolver.childNodes(this));
+      var coords = nodes.map(function(n2) {
+        return n2.loc;
+      });
+      var curr = 0;
+      var prev = 0;
+      for (var i2 = 0; i2 < coords.length; i2++) {
+        var o = coords[(i2 + 1) % coords.length];
+        var a = coords[i2];
+        var b = coords[(i2 + 2) % coords.length];
+        var res = geoVecCross(a, b, o);
+        curr = res > 0 ? 1 : res < 0 ? -1 : 0;
+        if (curr === 0) {
+          continue;
+        } else if (prev && curr !== prev) {
+          return false;
+        }
+        prev = curr;
+      }
+      return true;
+    },
+    // returns an object with the tag that implies this is an area, if any
+    tagSuggestingArea: function() {
+      return osmTagSuggestingArea(this.tags);
+    },
+    isArea: function() {
+      if (this.tags.area === "yes")
+        return true;
+      if (!this.isClosed() || this.tags.area === "no")
+        return false;
+      return this.tagSuggestingArea() !== null;
+    },
+    isDegenerate: function() {
+      return new Set(this.nodes).size < (this.isArea() ? 3 : 2);
+    },
+    areAdjacent: function(n1, n2) {
+      for (var i2 = 0; i2 < this.nodes.length; i2++) {
+        if (this.nodes[i2] === n1) {
+          if (this.nodes[i2 - 1] === n2)
+            return true;
+          if (this.nodes[i2 + 1] === n2)
+            return true;
+        }
+      }
+      return false;
+    },
+    geometry: function(graph) {
+      return graph.transient(this, "geometry", function() {
+        return this.isArea() ? "area" : "line";
+      });
+    },
+    // returns an array of objects representing the segments between the nodes in this way
+    segments: function(graph) {
+      function segmentExtent(graph2) {
+        var n1 = graph2.hasEntity(this.nodes[0]);
+        var n2 = graph2.hasEntity(this.nodes[1]);
+        return n1 && n2 && geoExtent([
+          [
+            Math.min(n1.loc[0], n2.loc[0]),
+            Math.min(n1.loc[1], n2.loc[1])
+          ],
+          [
+            Math.max(n1.loc[0], n2.loc[0]),
+            Math.max(n1.loc[1], n2.loc[1])
+          ]
+        ]);
+      }
+      return graph.transient(this, "segments", function() {
+        var segments = [];
+        for (var i2 = 0; i2 < this.nodes.length - 1; i2++) {
+          segments.push({
+            id: this.id + "-" + i2,
+            wayId: this.id,
+            index: i2,
+            nodes: [this.nodes[i2], this.nodes[i2 + 1]],
+            extent: segmentExtent
+          });
+        }
+        return segments;
+      });
+    },
+    // If this way is not closed, append the beginning node to the end of the nodelist to close it.
+    close: function() {
+      if (this.isClosed() || !this.nodes.length)
+        return this;
+      var nodes = this.nodes.slice();
+      nodes = nodes.filter(noRepeatNodes);
+      nodes.push(nodes[0]);
+      return this.update({ nodes });
+    },
+    // If this way is closed, remove any connector nodes from the end of the nodelist to unclose it.
+    unclose: function() {
+      if (!this.isClosed())
+        return this;
+      var nodes = this.nodes.slice();
+      var connector = this.first();
+      var i2 = nodes.length - 1;
+      while (i2 > 0 && nodes.length > 1 && nodes[i2] === connector) {
+        nodes.splice(i2, 1);
+        i2 = nodes.length - 1;
+      }
+      nodes = nodes.filter(noRepeatNodes);
+      return this.update({ nodes });
+    },
+    // Adds a node (id) in front of the node which is currently at position index.
+    // If index is undefined, the node will be added to the end of the way for linear ways,
+    //   or just before the final connecting node for circular ways.
+    // Consecutive duplicates are eliminated including existing ones.
+    // Circularity is always preserved when adding a node.
+    addNode: function(id2, index) {
+      var nodes = this.nodes.slice();
+      var isClosed = this.isClosed();
+      var max3 = isClosed ? nodes.length - 1 : nodes.length;
+      if (index === void 0) {
+        index = max3;
+      }
+      if (index < 0 || index > max3) {
+        throw new RangeError("index " + index + " out of range 0.." + max3);
+      }
+      if (isClosed) {
+        var connector = this.first();
+        var i2 = 1;
+        while (i2 < nodes.length && nodes.length > 2 && nodes[i2] === connector) {
+          nodes.splice(i2, 1);
+          if (index > i2)
+            index--;
+        }
+        i2 = nodes.length - 1;
+        while (i2 > 0 && nodes.length > 1 && nodes[i2] === connector) {
+          nodes.splice(i2, 1);
+          if (index > i2)
+            index--;
+          i2 = nodes.length - 1;
+        }
+      }
+      nodes.splice(index, 0, id2);
+      nodes = nodes.filter(noRepeatNodes);
+      if (isClosed && (nodes.length === 1 || nodes[0] !== nodes[nodes.length - 1])) {
+        nodes.push(nodes[0]);
+      }
+      return this.update({ nodes });
+    },
+    // Replaces the node which is currently at position index with the given node (id).
+    // Consecutive duplicates are eliminated including existing ones.
+    // Circularity is preserved when updating a node.
+    updateNode: function(id2, index) {
+      var nodes = this.nodes.slice();
+      var isClosed = this.isClosed();
+      var max3 = nodes.length - 1;
+      if (index === void 0 || index < 0 || index > max3) {
+        throw new RangeError("index " + index + " out of range 0.." + max3);
+      }
+      if (isClosed) {
+        var connector = this.first();
+        var i2 = 1;
+        while (i2 < nodes.length && nodes.length > 2 && nodes[i2] === connector) {
+          nodes.splice(i2, 1);
+          if (index > i2)
+            index--;
+        }
+        i2 = nodes.length - 1;
+        while (i2 > 0 && nodes.length > 1 && nodes[i2] === connector) {
+          nodes.splice(i2, 1);
+          if (index === i2)
+            index = 0;
+          i2 = nodes.length - 1;
+        }
+      }
+      nodes.splice(index, 1, id2);
+      nodes = nodes.filter(noRepeatNodes);
+      if (isClosed && (nodes.length === 1 || nodes[0] !== nodes[nodes.length - 1])) {
+        nodes.push(nodes[0]);
+      }
+      return this.update({ nodes });
+    },
+    // Replaces each occurrence of node id needle with replacement.
+    // Consecutive duplicates are eliminated including existing ones.
+    // Circularity is preserved.
+    replaceNode: function(needleID, replacementID) {
+      var nodes = this.nodes.slice();
+      var isClosed = this.isClosed();
+      for (var i2 = 0; i2 < nodes.length; i2++) {
+        if (nodes[i2] === needleID) {
+          nodes[i2] = replacementID;
+        }
+      }
+      nodes = nodes.filter(noRepeatNodes);
+      if (isClosed && (nodes.length === 1 || nodes[0] !== nodes[nodes.length - 1])) {
+        nodes.push(nodes[0]);
+      }
+      return this.update({ nodes });
+    },
+    // Removes each occurrence of node id.
+    // Consecutive duplicates are eliminated including existing ones.
+    // Circularity is preserved.
+    removeNode: function(id2) {
+      var nodes = this.nodes.slice();
+      var isClosed = this.isClosed();
+      nodes = nodes.filter(function(node) {
+        return node !== id2;
+      }).filter(noRepeatNodes);
+      if (isClosed && (nodes.length === 1 || nodes[0] !== nodes[nodes.length - 1])) {
+        nodes.push(nodes[0]);
+      }
+      return this.update({ nodes });
+    },
+    asJXON: function(changeset_id) {
+      var r = {
+        way: {
+          "@id": this.osmId(),
+          "@version": this.version || 0,
+          nd: this.nodes.map(function(id2) {
+            return { keyAttributes: { ref: osmEntity.id.toOSM(id2) } };
+          }, this),
+          tag: Object.keys(this.tags).map(function(k) {
+            return { keyAttributes: { k, v: this.tags[k] } };
+          }, this)
+        }
+      };
+      if (changeset_id) {
+        r.way["@changeset"] = changeset_id;
+      }
+      return r;
+    },
+    asGeoJSON: function(resolver) {
+      return resolver.transient(this, "GeoJSON", function() {
+        var coordinates = resolver.childNodes(this).map(function(n2) {
+          return n2.loc;
+        });
+        if (this.isArea() && this.isClosed()) {
+          return {
+            type: "Polygon",
+            coordinates: [coordinates]
+          };
+        } else {
+          return {
+            type: "LineString",
+            coordinates
+          };
+        }
+      });
+    },
+    area: function(resolver) {
+      return resolver.transient(this, "area", function() {
+        var nodes = resolver.childNodes(this);
+        var json = {
+          type: "Polygon",
+          coordinates: [nodes.map(function(n2) {
+            return n2.loc;
+          })]
+        };
+        if (!this.isClosed() && nodes.length) {
+          json.coordinates[0].push(nodes[0].loc);
+        }
+        var area = area_default(json);
+        if (area > 2 * Math.PI) {
+          json.coordinates[0] = json.coordinates[0].reverse();
+          area = area_default(json);
+        }
+        return isNaN(area) ? 0 : area;
+      });
+    }
+  });
+  function noRepeatNodes(node, i2, arr) {
+    return i2 === 0 || node !== arr[i2 - 1];
+  }
+
+  // modules/osm/multipolygon.js
+  function osmOldMultipolygonOuterMemberOfRelation(entity, graph) {
+    if (entity.type !== "relation" || !entity.isMultipolygon() || Object.keys(entity.tags).filter(osmIsInterestingTag).length > 1) {
+      return false;
+    }
+    var outerMember;
+    for (var memberIndex in entity.members) {
+      var member = entity.members[memberIndex];
+      if (!member.role || member.role === "outer") {
+        if (outerMember)
+          return false;
+        if (member.type !== "way")
+          return false;
+        if (!graph.hasEntity(member.id))
+          return false;
+        outerMember = graph.entity(member.id);
+        if (Object.keys(outerMember.tags).filter(osmIsInterestingTag).length === 0) {
+          return false;
+        }
+      }
+    }
+    return outerMember;
+  }
+  function osmIsOldMultipolygonOuterMember(entity, graph) {
+    if (entity.type !== "way" || Object.keys(entity.tags).filter(osmIsInterestingTag).length === 0) {
+      return false;
+    }
+    var parents = graph.parentRelations(entity);
+    if (parents.length !== 1)
+      return false;
+    var parent = parents[0];
+    if (!parent.isMultipolygon() || Object.keys(parent.tags).filter(osmIsInterestingTag).length > 1) {
+      return false;
+    }
+    var members = parent.members, member;
+    for (var i2 = 0; i2 < members.length; i2++) {
+      member = members[i2];
+      if (member.id === entity.id && member.role && member.role !== "outer") {
+        return false;
+      }
+      if (member.id !== entity.id && (!member.role || member.role === "outer")) {
+        return false;
+      }
+    }
+    return parent;
+  }
+  function osmOldMultipolygonOuterMember(entity, graph) {
+    if (entity.type !== "way")
+      return false;
+    var parents = graph.parentRelations(entity);
+    if (parents.length !== 1)
+      return false;
+    var parent = parents[0];
+    if (!parent.isMultipolygon() || Object.keys(parent.tags).filter(osmIsInterestingTag).length > 1) {
+      return false;
+    }
+    var members = parent.members, member, outerMember;
+    for (var i2 = 0; i2 < members.length; i2++) {
+      member = members[i2];
+      if (!member.role || member.role === "outer") {
+        if (outerMember)
+          return false;
+        outerMember = member;
+      }
+    }
+    if (!outerMember)
+      return false;
+    var outerEntity = graph.hasEntity(outerMember.id);
+    if (!outerEntity || !Object.keys(outerEntity.tags).filter(osmIsInterestingTag).length) {
+      return false;
+    }
+    return outerEntity;
+  }
+  function osmJoinWays(toJoin, graph) {
+    function resolve(member) {
+      return graph.childNodes(graph.entity(member.id));
+    }
+    function reverse(item2) {
+      var action = actionReverse(item2.id, { reverseOneway: true });
+      sequences.actions.push(action);
+      return item2 instanceof osmWay ? action(graph).entity(item2.id) : item2;
+    }
+    toJoin = toJoin.filter(function(member) {
+      return member.type === "way" && graph.hasEntity(member.id);
+    });
+    var i2;
+    var joinAsMembers = true;
+    for (i2 = 0; i2 < toJoin.length; i2++) {
+      if (toJoin[i2] instanceof osmWay) {
+        joinAsMembers = false;
+        break;
+      }
+    }
+    var sequences = [];
+    sequences.actions = [];
+    while (toJoin.length) {
+      var item = toJoin.shift();
+      var currWays = [item];
+      var currNodes = resolve(item).slice();
+      while (toJoin.length) {
+        var start2 = currNodes[0];
+        var end = currNodes[currNodes.length - 1];
+        var fn = null;
+        var nodes = null;
+        for (i2 = 0; i2 < toJoin.length; i2++) {
+          item = toJoin[i2];
+          nodes = resolve(item);
+          if (joinAsMembers && currWays.length === 1 && nodes[0] !== end && nodes[nodes.length - 1] !== end && (nodes[nodes.length - 1] === start2 || nodes[0] === start2)) {
+            currWays[0] = reverse(currWays[0]);
+            currNodes.reverse();
+            start2 = currNodes[0];
+            end = currNodes[currNodes.length - 1];
+          }
+          if (nodes[0] === end) {
+            fn = currNodes.push;
+            nodes = nodes.slice(1);
+            break;
+          } else if (nodes[nodes.length - 1] === end) {
+            fn = currNodes.push;
+            nodes = nodes.slice(0, -1).reverse();
+            item = reverse(item);
+            break;
+          } else if (nodes[nodes.length - 1] === start2) {
+            fn = currNodes.unshift;
+            nodes = nodes.slice(0, -1);
+            break;
+          } else if (nodes[0] === start2) {
+            fn = currNodes.unshift;
+            nodes = nodes.slice(1).reverse();
+            item = reverse(item);
+            break;
+          } else {
+            fn = nodes = null;
+          }
+        }
+        if (!nodes) {
+          break;
+        }
+        fn.apply(currWays, [item]);
+        fn.apply(currNodes, nodes);
+        toJoin.splice(i2, 1);
+      }
+      currWays.nodes = currNodes;
+      sequences.push(currWays);
+    }
+    return sequences;
+  }
+
+  // modules/actions/add_member.js
+  function actionAddMember(relationId, member, memberIndex, insertPair) {
+    return function action(graph) {
+      var relation = graph.entity(relationId);
+      var isPTv2 = /stop|platform/.test(member.role);
+      if ((isNaN(memberIndex) || insertPair) && member.type === "way" && !isPTv2) {
+        graph = addWayMember(relation, graph);
+      } else {
+        if (isPTv2 && isNaN(memberIndex)) {
+          memberIndex = 0;
+        }
+        graph = graph.replace(relation.addMember(member, memberIndex));
+      }
+      return graph;
+    };
+    function addWayMember(relation, graph) {
+      var groups, tempWay, insertPairIsReversed, item, i2, j2, k;
+      var PTv2members = [];
+      var members = [];
+      for (i2 = 0; i2 < relation.members.length; i2++) {
+        var m = relation.members[i2];
+        if (/stop|platform/.test(m.role)) {
+          PTv2members.push(m);
+        } else {
+          members.push(m);
+        }
+      }
+      relation = relation.update({ members });
+      if (insertPair) {
+        tempWay = osmWay({ id: "wTemp", nodes: insertPair.nodes });
+        graph = graph.replace(tempWay);
+        var tempMember = { id: tempWay.id, type: "way", role: member.role };
+        var tempRelation = relation.replaceMember({ id: insertPair.originalID }, tempMember, true);
+        groups = utilArrayGroupBy(tempRelation.members, "type");
+        groups.way = groups.way || [];
+        var originalWay = graph.entity(insertPair.originalID);
+        var insertedWay = graph.entity(insertPair.insertedID);
+        insertPairIsReversed = originalWay.nodes.length > 0 && insertedWay.nodes.length > 0 && insertedWay.nodes[insertedWay.nodes.length - 1] === originalWay.nodes[0] && originalWay.nodes[originalWay.nodes.length - 1] !== insertedWay.nodes[0];
+      } else {
+        groups = utilArrayGroupBy(relation.members, "type");
+        groups.way = groups.way || [];
+        groups.way.push(member);
+      }
+      members = withIndex(groups.way);
+      var joined = osmJoinWays(members, graph);
+      for (i2 = 0; i2 < joined.length; i2++) {
+        var segment = joined[i2];
+        var nodes = segment.nodes.slice();
+        var startIndex = segment[0].index;
+        for (j2 = 0; j2 < members.length; j2++) {
+          if (members[j2].index === startIndex) {
+            break;
+          }
+        }
+        for (k = 0; k < segment.length; k++) {
+          item = segment[k];
+          var way = graph.entity(item.id);
+          if (tempWay && item.id === tempWay.id) {
+            var reverse = nodes[0].id !== insertPair.nodes[0] ^ insertPairIsReversed;
+            if (reverse) {
+              item.pair = [
+                { id: insertPair.insertedID, type: "way", role: item.role },
+                { id: insertPair.originalID, type: "way", role: item.role }
+              ];
+            } else {
+              item.pair = [
+                { id: insertPair.originalID, type: "way", role: item.role },
+                { id: insertPair.insertedID, type: "way", role: item.role }
+              ];
+            }
+          }
+          if (k > 0) {
+            if (j2 + k >= members.length || item.index !== members[j2 + k].index) {
+              moveMember(members, item.index, j2 + k);
+            }
+          }
+          nodes.splice(0, way.nodes.length - 1);
+        }
+      }
+      if (tempWay) {
+        graph = graph.remove(tempWay);
+      }
+      var wayMembers = [];
+      for (i2 = 0; i2 < members.length; i2++) {
+        item = members[i2];
+        if (item.index === -1)
+          continue;
+        if (item.pair) {
+          wayMembers.push(item.pair[0]);
+          wayMembers.push(item.pair[1]);
+        } else {
+          wayMembers.push(utilObjectOmit(item, ["index"]));
+        }
+      }
+      var newMembers = PTv2members.concat(groups.node || [], wayMembers, groups.relation || []);
+      return graph.replace(relation.update({ members: newMembers }));
+      function moveMember(arr, findIndex, toIndex) {
+        var i3;
+        for (i3 = 0; i3 < arr.length; i3++) {
+          if (arr[i3].index === findIndex) {
+            break;
+          }
+        }
+        var item2 = Object.assign({}, arr[i3]);
+        arr[i3].index = -1;
+        item2.index = toIndex;
+        arr.splice(toIndex, 0, item2);
+      }
+      function withIndex(arr) {
+        var result = new Array(arr.length);
+        for (var i3 = 0; i3 < arr.length; i3++) {
+          result[i3] = Object.assign({}, arr[i3]);
+          result[i3].index = i3;
+        }
+        return result;
+      }
+    }
+  }
+
+  // modules/actions/add_midpoint.js
+  function actionAddMidpoint(midpoint, node) {
+    return function(graph) {
+      graph = graph.replace(node.move(midpoint.loc));
+      var parents = utilArrayIntersection(
+        graph.parentWays(graph.entity(midpoint.edge[0])),
+        graph.parentWays(graph.entity(midpoint.edge[1]))
+      );
+      parents.forEach(function(way) {
+        for (var i2 = 0; i2 < way.nodes.length - 1; i2++) {
+          if (geoEdgeEqual([way.nodes[i2], way.nodes[i2 + 1]], midpoint.edge)) {
+            graph = graph.replace(graph.entity(way.id).addNode(node.id, i2 + 1));
+            return;
+          }
+        }
+      });
+      return graph;
+    };
+  }
+
+  // modules/actions/add_vertex.js
+  function actionAddVertex(wayId, nodeId, index) {
+    return function(graph) {
+      return graph.replace(graph.entity(wayId).addNode(nodeId, index));
+    };
+  }
+
+  // modules/actions/change_member.js
+  function actionChangeMember(relationId, member, memberIndex) {
+    return function(graph) {
+      return graph.replace(graph.entity(relationId).updateMember(member, memberIndex));
+    };
+  }
+
+  // modules/actions/change_preset.js
+  function actionChangePreset(entityID, oldPreset, newPreset, skipFieldDefaults) {
+    return function action(graph) {
+      var entity = graph.entity(entityID);
+      var geometry = entity.geometry(graph);
+      var tags = entity.tags;
+      const loc = entity.extent(graph).center();
+      var preserveKeys;
+      if (newPreset) {
+        preserveKeys = [];
+        if (newPreset.addTags) {
+          preserveKeys = preserveKeys.concat(Object.keys(newPreset.addTags));
+        }
+        if (oldPreset && !oldPreset.id.startsWith(newPreset.id)) {
+          newPreset.fields(loc).concat(newPreset.moreFields(loc)).filter((f2) => f2.matchGeometry(geometry)).map((f2) => f2.key).filter(Boolean).forEach((key) => preserveKeys.push(key));
+        }
+      }
+      if (oldPreset)
+        tags = oldPreset.unsetTags(tags, geometry, preserveKeys, false, loc);
+      if (newPreset)
+        tags = newPreset.setTags(tags, geometry, skipFieldDefaults, loc);
+      return graph.replace(entity.update({ tags }));
+    };
+  }
+
+  // modules/actions/change_tags.js
+  function actionChangeTags(entityId, tags) {
+    return function(graph) {
+      var entity = graph.entity(entityId);
+      return graph.replace(entity.update({ tags }));
+    };
+  }
+
+  // modules/osm/node.js
+  var cardinal = {
+    north: 0,
+    n: 0,
+    northnortheast: 22,
+    nne: 22,
+    northeast: 45,
+    ne: 45,
+    eastnortheast: 67,
+    ene: 67,
+    east: 90,
+    e: 90,
+    eastsoutheast: 112,
+    ese: 112,
+    southeast: 135,
+    se: 135,
+    southsoutheast: 157,
+    sse: 157,
+    south: 180,
+    s: 180,
+    southsouthwest: 202,
+    ssw: 202,
+    southwest: 225,
+    sw: 225,
+    westsouthwest: 247,
+    wsw: 247,
+    west: 270,
+    w: 270,
+    westnorthwest: 292,
+    wnw: 292,
+    northwest: 315,
+    nw: 315,
+    northnorthwest: 337,
+    nnw: 337
+  };
+  function osmNode() {
+    if (!(this instanceof osmNode)) {
+      return new osmNode().initialize(arguments);
+    } else if (arguments.length) {
+      this.initialize(arguments);
+    }
+  }
+  osmEntity.node = osmNode;
+  osmNode.prototype = Object.create(osmEntity.prototype);
+  Object.assign(osmNode.prototype, {
+    type: "node",
+    loc: [9999, 9999],
+    extent: function() {
+      return new geoExtent(this.loc);
+    },
+    geometry: function(graph) {
+      return graph.transient(this, "geometry", function() {
+        return graph.isPoi(this) ? "point" : "vertex";
+      });
+    },
+    move: function(loc) {
+      return this.update({ loc });
+    },
+    isDegenerate: function() {
+      return !(Array.isArray(this.loc) && this.loc.length === 2 && this.loc[0] >= -180 && this.loc[0] <= 180 && this.loc[1] >= -90 && this.loc[1] <= 90);
+    },
+    // Inspect tags and geometry to determine which direction(s) this node/vertex points
+    directions: function(resolver, projection2) {
+      var val;
+      var i2;
+      if (this.isHighwayIntersection(resolver) && (this.tags.stop || "").toLowerCase() === "all") {
+        val = "all";
+      } else {
+        val = (this.tags.direction || "").toLowerCase();
+        var re2 = /:direction$/i;
+        var keys2 = Object.keys(this.tags);
+        for (i2 = 0; i2 < keys2.length; i2++) {
+          if (re2.test(keys2[i2])) {
+            val = this.tags[keys2[i2]].toLowerCase();
+            break;
+          }
+        }
+      }
+      if (val === "")
+        return [];
+      var values = val.split(";");
+      var results = [];
+      values.forEach(function(v) {
+        if (cardinal[v] !== void 0) {
+          v = cardinal[v];
+        }
+        if (v !== "" && !isNaN(+v)) {
+          results.push(+v);
+          return;
+        }
+        var lookBackward = this.tags["traffic_sign:backward"] || v === "backward" || v === "both" || v === "all";
+        var lookForward = this.tags["traffic_sign:forward"] || v === "forward" || v === "both" || v === "all";
+        if (!lookForward && !lookBackward)
+          return;
+        var nodeIds = {};
+        resolver.parentWays(this).forEach(function(parent) {
+          var nodes = parent.nodes;
+          for (i2 = 0; i2 < nodes.length; i2++) {
+            if (nodes[i2] === this.id) {
+              if (lookForward && i2 > 0) {
+                nodeIds[nodes[i2 - 1]] = true;
+              }
+              if (lookBackward && i2 < nodes.length - 1) {
+                nodeIds[nodes[i2 + 1]] = true;
+              }
+            }
+          }
+        }, this);
+        Object.keys(nodeIds).forEach(function(nodeId) {
+          results.push(
+            geoAngle(this, resolver.entity(nodeId), projection2) * (180 / Math.PI) + 90
+          );
+        }, this);
+      }, this);
+      return utilArrayUniq(results);
+    },
+    isCrossing: function() {
+      return this.tags.highway === "crossing" || this.tags.railway && this.tags.railway.indexOf("crossing") !== -1;
+    },
+    isEndpoint: function(resolver) {
+      return resolver.transient(this, "isEndpoint", function() {
+        var id2 = this.id;
+        return resolver.parentWays(this).filter(function(parent) {
+          return !parent.isClosed() && !!parent.affix(id2);
+        }).length > 0;
+      });
+    },
+    isConnected: function(resolver) {
+      return resolver.transient(this, "isConnected", function() {
+        var parents = resolver.parentWays(this);
+        if (parents.length > 1) {
+          for (var i2 in parents) {
+            if (parents[i2].geometry(resolver) === "line" && parents[i2].hasInterestingTags())
+              return true;
+          }
+        } else if (parents.length === 1) {
+          var way = parents[0];
+          var nodes = way.nodes.slice();
+          if (way.isClosed()) {
+            nodes.pop();
+          }
+          return nodes.indexOf(this.id) !== nodes.lastIndexOf(this.id);
+        }
+        return false;
+      });
+    },
+    parentIntersectionWays: function(resolver) {
+      return resolver.transient(this, "parentIntersectionWays", function() {
+        return resolver.parentWays(this).filter(function(parent) {
+          return (parent.tags.highway || parent.tags.waterway || parent.tags.railway || parent.tags.aeroway) && parent.geometry(resolver) === "line";
+        });
+      });
+    },
+    isIntersection: function(resolver) {
+      return this.parentIntersectionWays(resolver).length > 1;
+    },
+    isHighwayIntersection: function(resolver) {
+      return resolver.transient(this, "isHighwayIntersection", function() {
+        return resolver.parentWays(this).filter(function(parent) {
+          return parent.tags.highway && parent.geometry(resolver) === "line";
+        }).length > 1;
+      });
+    },
+    isOnAddressLine: function(resolver) {
+      return resolver.transient(this, "isOnAddressLine", function() {
+        return resolver.parentWays(this).filter(function(parent) {
+          return parent.tags.hasOwnProperty("addr:interpolation") && parent.geometry(resolver) === "line";
+        }).length > 0;
+      });
+    },
+    asJXON: function(changeset_id) {
+      var r = {
+        node: {
+          "@id": this.osmId(),
+          "@lon": this.loc[0],
+          "@lat": this.loc[1],
+          "@version": this.version || 0,
+          tag: Object.keys(this.tags).map(function(k) {
+            return { keyAttributes: { k, v: this.tags[k] } };
+          }, this)
+        }
+      };
+      if (changeset_id)
+        r.node["@changeset"] = changeset_id;
+      return r;
+    },
+    asGeoJSON: function() {
+      return {
+        type: "Point",
+        coordinates: this.loc
+      };
+    }
+  });
+
+  // modules/actions/circularize.js
+  function actionCircularize(wayId, projection2, maxAngle) {
+    maxAngle = (maxAngle || 20) * Math.PI / 180;
+    var action = function(graph, t) {
+      if (t === null || !isFinite(t))
+        t = 1;
+      t = Math.min(Math.max(+t, 0), 1);
+      var way = graph.entity(wayId);
+      var origNodes = {};
+      graph.childNodes(way).forEach(function(node2) {
+        if (!origNodes[node2.id])
+          origNodes[node2.id] = node2;
+      });
+      if (!way.isConvex(graph)) {
+        graph = action.makeConvex(graph);
+      }
+      var nodes = utilArrayUniq(graph.childNodes(way));
+      var keyNodes = nodes.filter(function(n2) {
+        return graph.parentWays(n2).length !== 1;
+      });
+      var points = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var keyPoints = keyNodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var centroid = points.length === 2 ? geoVecInterp(points[0], points[1], 0.5) : centroid_default2(points);
+      var radius = median(points, function(p) {
+        return geoVecLength(centroid, p);
+      });
+      var sign2 = area_default3(points) > 0 ? 1 : -1;
+      var ids, i2, j2, k;
+      if (!keyNodes.length) {
+        keyNodes = [nodes[0]];
+        keyPoints = [points[0]];
+      }
+      if (keyNodes.length === 1) {
+        var index = nodes.indexOf(keyNodes[0]);
+        var oppositeIndex = Math.floor((index + nodes.length / 2) % nodes.length);
+        keyNodes.push(nodes[oppositeIndex]);
+        keyPoints.push(points[oppositeIndex]);
+      }
+      for (i2 = 0; i2 < keyPoints.length; i2++) {
+        var nextKeyNodeIndex = (i2 + 1) % keyNodes.length;
+        var startNode = keyNodes[i2];
+        var endNode = keyNodes[nextKeyNodeIndex];
+        var startNodeIndex = nodes.indexOf(startNode);
+        var endNodeIndex = nodes.indexOf(endNode);
+        var numberNewPoints = -1;
+        var indexRange = endNodeIndex - startNodeIndex;
+        var nearNodes = {};
+        var inBetweenNodes = [];
+        var startAngle, endAngle, totalAngle, eachAngle;
+        var angle2, loc, node, origNode;
+        if (indexRange < 0) {
+          indexRange += nodes.length;
+        }
+        var distance = geoVecLength(centroid, keyPoints[i2]) || 1e-4;
+        keyPoints[i2] = [
+          centroid[0] + (keyPoints[i2][0] - centroid[0]) / distance * radius,
+          centroid[1] + (keyPoints[i2][1] - centroid[1]) / distance * radius
+        ];
+        loc = projection2.invert(keyPoints[i2]);
+        node = keyNodes[i2];
+        origNode = origNodes[node.id];
+        node = node.move(geoVecInterp(origNode.loc, loc, t));
+        graph = graph.replace(node);
+        startAngle = Math.atan2(keyPoints[i2][1] - centroid[1], keyPoints[i2][0] - centroid[0]);
+        endAngle = Math.atan2(keyPoints[nextKeyNodeIndex][1] - centroid[1], keyPoints[nextKeyNodeIndex][0] - centroid[0]);
+        totalAngle = endAngle - startAngle;
+        if (totalAngle * sign2 > 0) {
+          totalAngle = -sign2 * (2 * Math.PI - Math.abs(totalAngle));
+        }
+        do {
+          numberNewPoints++;
+          eachAngle = totalAngle / (indexRange + numberNewPoints);
+        } while (Math.abs(eachAngle) > maxAngle);
+        for (j2 = 1; j2 < indexRange; j2++) {
+          angle2 = startAngle + j2 * eachAngle;
+          loc = projection2.invert([
+            centroid[0] + Math.cos(angle2) * radius,
+            centroid[1] + Math.sin(angle2) * radius
+          ]);
+          node = nodes[(j2 + startNodeIndex) % nodes.length];
+          origNode = origNodes[node.id];
+          nearNodes[node.id] = angle2;
+          node = node.move(geoVecInterp(origNode.loc, loc, t));
+          graph = graph.replace(node);
+        }
+        for (j2 = 0; j2 < numberNewPoints; j2++) {
+          angle2 = startAngle + (indexRange + j2) * eachAngle;
+          loc = projection2.invert([
+            centroid[0] + Math.cos(angle2) * radius,
+            centroid[1] + Math.sin(angle2) * radius
+          ]);
+          var min3 = Infinity;
+          for (var nodeId in nearNodes) {
+            var nearAngle = nearNodes[nodeId];
+            var dist = Math.abs(nearAngle - angle2);
+            if (dist < min3) {
+              min3 = dist;
+              origNode = origNodes[nodeId];
+            }
+          }
+          node = osmNode({ loc: geoVecInterp(origNode.loc, loc, t) });
+          graph = graph.replace(node);
+          nodes.splice(endNodeIndex + j2, 0, node);
+          inBetweenNodes.push(node.id);
+        }
+        if (indexRange === 1 && inBetweenNodes.length) {
+          var startIndex1 = way.nodes.lastIndexOf(startNode.id);
+          var endIndex1 = way.nodes.lastIndexOf(endNode.id);
+          var wayDirection1 = endIndex1 - startIndex1;
+          if (wayDirection1 < -1) {
+            wayDirection1 = 1;
+          }
+          var parentWays = graph.parentWays(keyNodes[i2]);
+          for (j2 = 0; j2 < parentWays.length; j2++) {
+            var sharedWay = parentWays[j2];
+            if (sharedWay === way)
+              continue;
+            if (sharedWay.areAdjacent(startNode.id, endNode.id)) {
+              var startIndex2 = sharedWay.nodes.lastIndexOf(startNode.id);
+              var endIndex2 = sharedWay.nodes.lastIndexOf(endNode.id);
+              var wayDirection2 = endIndex2 - startIndex2;
+              var insertAt = endIndex2;
+              if (wayDirection2 < -1) {
+                wayDirection2 = 1;
+              }
+              if (wayDirection1 !== wayDirection2) {
+                inBetweenNodes.reverse();
+                insertAt = startIndex2;
+              }
+              for (k = 0; k < inBetweenNodes.length; k++) {
+                sharedWay = sharedWay.addNode(inBetweenNodes[k], insertAt + k);
+              }
+              graph = graph.replace(sharedWay);
+            }
+          }
+        }
+      }
+      ids = nodes.map(function(n2) {
+        return n2.id;
+      });
+      ids.push(ids[0]);
+      way = way.update({ nodes: ids });
+      graph = graph.replace(way);
+      return graph;
+    };
+    action.makeConvex = function(graph) {
+      var way = graph.entity(wayId);
+      var nodes = utilArrayUniq(graph.childNodes(way));
+      var points = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var sign2 = area_default3(points) > 0 ? 1 : -1;
+      var hull = hull_default(points);
+      var i2, j2;
+      if (sign2 === -1) {
+        nodes.reverse();
+        points.reverse();
+      }
+      for (i2 = 0; i2 < hull.length - 1; i2++) {
+        var startIndex = points.indexOf(hull[i2]);
+        var endIndex = points.indexOf(hull[i2 + 1]);
+        var indexRange = endIndex - startIndex;
+        if (indexRange < 0) {
+          indexRange += nodes.length;
+        }
+        for (j2 = 1; j2 < indexRange; j2++) {
+          var point2 = geoVecInterp(hull[i2], hull[i2 + 1], j2 / indexRange);
+          var node = nodes[(j2 + startIndex) % nodes.length].move(projection2.invert(point2));
+          graph = graph.replace(node);
+        }
+      }
+      return graph;
+    };
+    action.disabled = function(graph) {
+      if (!graph.entity(wayId).isClosed()) {
+        return "not_closed";
+      }
+      var way = graph.entity(wayId);
+      var nodes = utilArrayUniq(graph.childNodes(way));
+      var points = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var hull = hull_default(points);
+      var epsilonAngle = Math.PI / 180;
+      if (hull.length !== points.length || hull.length < 3) {
+        return false;
+      }
+      var centroid = centroid_default2(points);
+      var radius = geoVecLengthSquare(centroid, points[0]);
+      var i2, actualPoint;
+      for (i2 = 0; i2 < hull.length; i2++) {
+        actualPoint = hull[i2];
+        var actualDist = geoVecLengthSquare(actualPoint, centroid);
+        var diff = Math.abs(actualDist - radius);
+        if (diff > 0.05 * radius) {
+          return false;
+        }
+      }
+      for (i2 = 0; i2 < hull.length; i2++) {
+        actualPoint = hull[i2];
+        var nextPoint = hull[(i2 + 1) % hull.length];
+        var startAngle = Math.atan2(actualPoint[1] - centroid[1], actualPoint[0] - centroid[0]);
+        var endAngle = Math.atan2(nextPoint[1] - centroid[1], nextPoint[0] - centroid[0]);
+        var angle2 = endAngle - startAngle;
+        if (angle2 < 0) {
+          angle2 = -angle2;
+        }
+        if (angle2 > Math.PI) {
+          angle2 = 2 * Math.PI - angle2;
+        }
+        if (angle2 > maxAngle + epsilonAngle) {
+          return false;
+        }
+      }
+      return "already_circular";
+    };
+    action.transitionable = true;
+    return action;
+  }
+
+  // modules/actions/delete_way.js
+  function actionDeleteWay(wayID) {
+    function canDeleteNode(node, graph) {
+      if (graph.parentWays(node).length || graph.parentRelations(node).length)
+        return false;
+      var geometries = osmNodeGeometriesForTags(node.tags);
+      if (geometries.point)
+        return false;
+      if (geometries.vertex)
+        return true;
+      return !node.hasInterestingTags();
+    }
+    var action = function(graph) {
+      var way = graph.entity(wayID);
+      graph.parentRelations(way).forEach(function(parent) {
+        parent = parent.removeMembersWithID(wayID);
+        graph = graph.replace(parent);
+        if (parent.isDegenerate()) {
+          graph = actionDeleteRelation(parent.id)(graph);
+        }
+      });
+      new Set(way.nodes).forEach(function(nodeID) {
+        graph = graph.replace(way.removeNode(nodeID));
+        var node = graph.entity(nodeID);
+        if (canDeleteNode(node, graph)) {
+          graph = graph.remove(node);
+        }
+      });
+      return graph.remove(way);
+    };
+    return action;
+  }
+
+  // modules/actions/delete_multiple.js
+  function actionDeleteMultiple(ids) {
+    var actions = {
+      way: actionDeleteWay,
+      node: actionDeleteNode,
+      relation: actionDeleteRelation
+    };
+    var action = function(graph) {
+      ids.forEach(function(id2) {
+        if (graph.hasEntity(id2)) {
+          graph = actions[graph.entity(id2).type](id2)(graph);
+        }
+      });
+      return graph;
+    };
+    return action;
+  }
+
+  // modules/actions/delete_relation.js
+  function actionDeleteRelation(relationID, allowUntaggedMembers) {
+    function canDeleteEntity(entity, graph) {
+      return !graph.parentWays(entity).length && !graph.parentRelations(entity).length && (!entity.hasInterestingTags() && !allowUntaggedMembers);
+    }
+    var action = function(graph) {
+      var relation = graph.entity(relationID);
+      graph.parentRelations(relation).forEach(function(parent) {
+        parent = parent.removeMembersWithID(relationID);
+        graph = graph.replace(parent);
+        if (parent.isDegenerate()) {
+          graph = actionDeleteRelation(parent.id)(graph);
+        }
+      });
+      var memberIDs = utilArrayUniq(relation.members.map(function(m) {
+        return m.id;
+      }));
+      memberIDs.forEach(function(memberID) {
+        graph = graph.replace(relation.removeMembersWithID(memberID));
+        var entity = graph.entity(memberID);
+        if (canDeleteEntity(entity, graph)) {
+          graph = actionDeleteMultiple([memberID])(graph);
+        }
+      });
+      return graph.remove(relation);
+    };
+    return action;
+  }
+
+  // modules/actions/delete_node.js
+  function actionDeleteNode(nodeId) {
+    var action = function(graph) {
+      var node = graph.entity(nodeId);
+      graph.parentWays(node).forEach(function(parent) {
+        parent = parent.removeNode(nodeId);
+        graph = graph.replace(parent);
+        if (parent.isDegenerate()) {
+          graph = actionDeleteWay(parent.id)(graph);
+        }
+      });
+      graph.parentRelations(node).forEach(function(parent) {
+        parent = parent.removeMembersWithID(nodeId);
+        graph = graph.replace(parent);
+        if (parent.isDegenerate()) {
+          graph = actionDeleteRelation(parent.id)(graph);
+        }
+      });
+      return graph.remove(node);
+    };
+    return action;
+  }
+
+  // modules/actions/connect.js
+  function actionConnect(nodeIDs) {
+    var action = function(graph) {
+      var survivor;
+      var node;
+      var parents;
+      var i2, j2;
+      nodeIDs.reverse();
+      var interestingIDs = [];
+      for (i2 = 0; i2 < nodeIDs.length; i2++) {
+        node = graph.entity(nodeIDs[i2]);
+        if (node.hasInterestingTags()) {
+          if (!node.isNew()) {
+            interestingIDs.push(node.id);
+          }
+        }
+      }
+      survivor = graph.entity(utilOldestID(interestingIDs.length > 0 ? interestingIDs : nodeIDs));
+      for (i2 = 0; i2 < nodeIDs.length; i2++) {
+        node = graph.entity(nodeIDs[i2]);
+        if (node.id === survivor.id)
+          continue;
+        parents = graph.parentWays(node);
+        for (j2 = 0; j2 < parents.length; j2++) {
+          graph = graph.replace(parents[j2].replaceNode(node.id, survivor.id));
+        }
+        parents = graph.parentRelations(node);
+        for (j2 = 0; j2 < parents.length; j2++) {
+          graph = graph.replace(parents[j2].replaceMember(node, survivor));
+        }
+        survivor = survivor.mergeTags(node.tags);
+        graph = actionDeleteNode(node.id)(graph);
+      }
+      graph = graph.replace(survivor);
+      parents = graph.parentWays(survivor);
+      for (i2 = 0; i2 < parents.length; i2++) {
+        if (parents[i2].isDegenerate()) {
+          graph = actionDeleteWay(parents[i2].id)(graph);
+        }
+      }
+      return graph;
+    };
+    action.disabled = function(graph) {
+      var seen = {};
+      var restrictionIDs = [];
+      var survivor;
+      var node, way;
+      var relations, relation, role;
+      var i2, j2, k;
+      survivor = graph.entity(utilOldestID(nodeIDs));
+      for (i2 = 0; i2 < nodeIDs.length; i2++) {
+        node = graph.entity(nodeIDs[i2]);
+        relations = graph.parentRelations(node);
+        for (j2 = 0; j2 < relations.length; j2++) {
+          relation = relations[j2];
+          role = relation.memberById(node.id).role || "";
+          if (relation.hasFromViaTo()) {
+            restrictionIDs.push(relation.id);
+          }
+          if (seen[relation.id] !== void 0 && seen[relation.id] !== role) {
+            return "relation";
+          } else {
+            seen[relation.id] = role;
+          }
+        }
+      }
+      for (i2 = 0; i2 < nodeIDs.length; i2++) {
+        node = graph.entity(nodeIDs[i2]);
+        var parents = graph.parentWays(node);
+        for (j2 = 0; j2 < parents.length; j2++) {
+          var parent = parents[j2];
+          relations = graph.parentRelations(parent);
+          for (k = 0; k < relations.length; k++) {
+            relation = relations[k];
+            if (relation.hasFromViaTo()) {
+              restrictionIDs.push(relation.id);
+            }
+          }
+        }
+      }
+      restrictionIDs = utilArrayUniq(restrictionIDs);
+      for (i2 = 0; i2 < restrictionIDs.length; i2++) {
+        relation = graph.entity(restrictionIDs[i2]);
+        if (!relation.isComplete(graph))
+          continue;
+        var memberWays = relation.members.filter(function(m) {
+          return m.type === "way";
+        }).map(function(m) {
+          return graph.entity(m.id);
+        });
+        memberWays = utilArrayUniq(memberWays);
+        var f2 = relation.memberByRole("from");
+        var t = relation.memberByRole("to");
+        var isUturn = f2.id === t.id;
+        var nodes = { from: [], via: [], to: [], keyfrom: [], keyto: [] };
+        for (j2 = 0; j2 < relation.members.length; j2++) {
+          collectNodes(relation.members[j2], nodes);
+        }
+        nodes.keyfrom = utilArrayUniq(nodes.keyfrom.filter(hasDuplicates));
+        nodes.keyto = utilArrayUniq(nodes.keyto.filter(hasDuplicates));
+        var filter2 = keyNodeFilter(nodes.keyfrom, nodes.keyto);
+        nodes.from = nodes.from.filter(filter2);
+        nodes.via = nodes.via.filter(filter2);
+        nodes.to = nodes.to.filter(filter2);
+        var connectFrom = false;
+        var connectVia = false;
+        var connectTo = false;
+        var connectKeyFrom = false;
+        var connectKeyTo = false;
+        for (j2 = 0; j2 < nodeIDs.length; j2++) {
+          var n2 = nodeIDs[j2];
+          if (nodes.from.indexOf(n2) !== -1) {
+            connectFrom = true;
+          }
+          if (nodes.via.indexOf(n2) !== -1) {
+            connectVia = true;
+          }
+          if (nodes.to.indexOf(n2) !== -1) {
+            connectTo = true;
+          }
+          if (nodes.keyfrom.indexOf(n2) !== -1) {
+            connectKeyFrom = true;
+          }
+          if (nodes.keyto.indexOf(n2) !== -1) {
+            connectKeyTo = true;
+          }
+        }
+        if (connectFrom && connectTo && !isUturn) {
+          return "restriction";
+        }
+        if (connectFrom && connectVia) {
+          return "restriction";
+        }
+        if (connectTo && connectVia) {
+          return "restriction";
+        }
+        if (connectKeyFrom || connectKeyTo) {
+          if (nodeIDs.length !== 2) {
+            return "restriction";
+          }
+          var n0 = null;
+          var n1 = null;
+          for (j2 = 0; j2 < memberWays.length; j2++) {
+            way = memberWays[j2];
+            if (way.contains(nodeIDs[0])) {
+              n0 = nodeIDs[0];
+            }
+            if (way.contains(nodeIDs[1])) {
+              n1 = nodeIDs[1];
+            }
+          }
+          if (n0 && n1) {
+            var ok = false;
+            for (j2 = 0; j2 < memberWays.length; j2++) {
+              way = memberWays[j2];
+              if (way.areAdjacent(n0, n1)) {
+                ok = true;
+                break;
+              }
+            }
+            if (!ok) {
+              return "restriction";
+            }
+          }
+        }
+        for (j2 = 0; j2 < memberWays.length; j2++) {
+          way = memberWays[j2].update({});
+          for (k = 0; k < nodeIDs.length; k++) {
+            if (nodeIDs[k] === survivor.id)
+              continue;
+            if (way.areAdjacent(nodeIDs[k], survivor.id)) {
+              way = way.removeNode(nodeIDs[k]);
+            } else {
+              way = way.replaceNode(nodeIDs[k], survivor.id);
+            }
+          }
+          if (way.isDegenerate()) {
+            return "restriction";
+          }
+        }
+      }
+      return false;
+      function hasDuplicates(n3, i3, arr) {
+        return arr.indexOf(n3) !== arr.lastIndexOf(n3);
+      }
+      function keyNodeFilter(froms, tos) {
+        return function(n3) {
+          return froms.indexOf(n3) === -1 && tos.indexOf(n3) === -1;
+        };
+      }
+      function collectNodes(member, collection) {
+        var entity = graph.hasEntity(member.id);
+        if (!entity)
+          return;
+        var role2 = member.role || "";
+        if (!collection[role2]) {
+          collection[role2] = [];
+        }
+        if (member.type === "node") {
+          collection[role2].push(member.id);
+          if (role2 === "via") {
+            collection.keyfrom.push(member.id);
+            collection.keyto.push(member.id);
+          }
+        } else if (member.type === "way") {
+          collection[role2].push.apply(collection[role2], entity.nodes);
+          if (role2 === "from" || role2 === "via") {
+            collection.keyfrom.push(entity.first());
+            collection.keyfrom.push(entity.last());
+          }
+          if (role2 === "to" || role2 === "via") {
+            collection.keyto.push(entity.first());
+            collection.keyto.push(entity.last());
+          }
+        }
+      }
+    };
+    return action;
+  }
+
+  // modules/actions/copy_entities.js
+  function actionCopyEntities(ids, fromGraph) {
+    var _copies = {};
+    var action = function(graph) {
+      ids.forEach(function(id3) {
+        fromGraph.entity(id3).copy(fromGraph, _copies);
+      });
+      for (var id2 in _copies) {
+        graph = graph.replace(_copies[id2]);
+      }
+      return graph;
+    };
+    action.copies = function() {
+      return _copies;
+    };
+    return action;
+  }
+
+  // modules/actions/delete_member.js
+  function actionDeleteMember(relationId, memberIndex) {
+    return function(graph) {
+      var relation = graph.entity(relationId).removeMember(memberIndex);
+      graph = graph.replace(relation);
+      if (relation.isDegenerate()) {
+        graph = actionDeleteRelation(relation.id)(graph);
+      }
+      return graph;
+    };
+  }
+
+  // modules/actions/discard_tags.js
+  function actionDiscardTags(difference, discardTags) {
+    discardTags = discardTags || {};
+    return (graph) => {
+      difference.modified().forEach(checkTags);
+      difference.created().forEach(checkTags);
+      return graph;
+      function checkTags(entity) {
+        const keys2 = Object.keys(entity.tags);
+        let didDiscard = false;
+        let tags = {};
+        for (let i2 = 0; i2 < keys2.length; i2++) {
+          const k = keys2[i2];
+          if (discardTags[k] || !entity.tags[k]) {
+            didDiscard = true;
+          } else {
+            tags[k] = entity.tags[k];
+          }
+        }
+        if (didDiscard) {
+          graph = graph.replace(entity.update({ tags }));
+        }
+      }
+    };
+  }
+
+  // modules/actions/disconnect.js
+  function actionDisconnect(nodeId, newNodeId) {
+    var wayIds;
+    var disconnectableRelationTypes = {
+      "associatedStreet": true,
+      "enforcement": true,
+      "site": true
+    };
+    var action = function(graph) {
+      var node = graph.entity(nodeId);
+      var connections = action.connections(graph);
+      connections.forEach(function(connection) {
+        var way = graph.entity(connection.wayID);
+        var newNode = osmNode({ id: newNodeId, loc: node.loc, tags: node.tags });
+        graph = graph.replace(newNode);
+        if (connection.index === 0 && way.isArea()) {
+          graph = graph.replace(way.replaceNode(way.nodes[0], newNode.id));
+        } else if (way.isClosed() && connection.index === way.nodes.length - 1) {
+          graph = graph.replace(way.unclose().addNode(newNode.id));
+        } else {
+          graph = graph.replace(way.updateNode(newNode.id, connection.index));
+        }
+      });
+      return graph;
+    };
+    action.connections = function(graph) {
+      var candidates = [];
+      var keeping = false;
+      var parentWays = graph.parentWays(graph.entity(nodeId));
+      var way, waynode;
+      for (var i2 = 0; i2 < parentWays.length; i2++) {
+        way = parentWays[i2];
+        if (wayIds && wayIds.indexOf(way.id) === -1) {
+          keeping = true;
+          continue;
+        }
+        if (way.isArea() && way.nodes[0] === nodeId) {
+          candidates.push({ wayID: way.id, index: 0 });
+        } else {
+          for (var j2 = 0; j2 < way.nodes.length; j2++) {
+            waynode = way.nodes[j2];
+            if (waynode === nodeId) {
+              if (way.isClosed() && parentWays.length > 1 && wayIds && wayIds.indexOf(way.id) !== -1 && j2 === way.nodes.length - 1) {
+                continue;
+              }
+              candidates.push({ wayID: way.id, index: j2 });
+            }
+          }
+        }
+      }
+      return keeping ? candidates : candidates.slice(1);
+    };
+    action.disabled = function(graph) {
+      var connections = action.connections(graph);
+      if (connections.length === 0)
+        return "not_connected";
+      var parentWays = graph.parentWays(graph.entity(nodeId));
+      var seenRelationIds = {};
+      var sharedRelation;
+      parentWays.forEach(function(way) {
+        var relations = graph.parentRelations(way);
+        relations.filter((relation) => !disconnectableRelationTypes[relation.tags.type]).forEach(function(relation) {
+          if (relation.id in seenRelationIds) {
+            if (wayIds) {
+              if (wayIds.indexOf(way.id) !== -1 || wayIds.indexOf(seenRelationIds[relation.id]) !== -1) {
+                sharedRelation = relation;
+              }
+            } else {
+              sharedRelation = relation;
+            }
+          } else {
+            seenRelationIds[relation.id] = way.id;
+          }
+        });
+      });
+      if (sharedRelation)
+        return "relation";
+    };
+    action.limitWays = function(val) {
+      if (!arguments.length)
+        return wayIds;
+      wayIds = val;
+      return action;
+    };
+    return action;
+  }
+
+  // modules/actions/extract.js
+  function actionExtract(entityID, projection2) {
+    var extractedNodeID;
+    var action = function(graph) {
+      var entity = graph.entity(entityID);
+      if (entity.type === "node") {
+        return extractFromNode(entity, graph);
+      }
+      return extractFromWayOrRelation(entity, graph);
+    };
+    function extractFromNode(node, graph) {
+      extractedNodeID = node.id;
+      var replacement = osmNode({ loc: node.loc });
+      graph = graph.replace(replacement);
+      graph = graph.parentWays(node).reduce(function(accGraph, parentWay) {
+        return accGraph.replace(parentWay.replaceNode(entityID, replacement.id));
+      }, graph);
+      return graph.parentRelations(node).reduce(function(accGraph, parentRel) {
+        return accGraph.replace(parentRel.replaceMember(node, replacement));
+      }, graph);
+    }
+    function extractFromWayOrRelation(entity, graph) {
+      var fromGeometry = entity.geometry(graph);
+      var keysToCopyAndRetain = ["source", "wheelchair"];
+      var keysToRetain = ["area"];
+      var buildingKeysToRetain = ["architect", "building", "height", "layer"];
+      var extractedLoc = path_default(projection2).centroid(entity.asGeoJSON(graph));
+      extractedLoc = extractedLoc && projection2.invert(extractedLoc);
+      if (!extractedLoc || !isFinite(extractedLoc[0]) || !isFinite(extractedLoc[1])) {
+        extractedLoc = entity.extent(graph).center();
+      }
+      var indoorAreaValues = {
+        area: true,
+        corridor: true,
+        elevator: true,
+        level: true,
+        room: true
+      };
+      var isBuilding = entity.tags.building && entity.tags.building !== "no" || entity.tags["building:part"] && entity.tags["building:part"] !== "no";
+      var isIndoorArea = fromGeometry === "area" && entity.tags.indoor && indoorAreaValues[entity.tags.indoor];
+      var entityTags = Object.assign({}, entity.tags);
+      var pointTags = {};
+      for (var key in entityTags) {
+        if (entity.type === "relation" && key === "type") {
+          continue;
+        }
+        if (keysToRetain.indexOf(key) !== -1) {
+          continue;
+        }
+        if (isBuilding) {
+          if (buildingKeysToRetain.indexOf(key) !== -1 || key.match(/^building:.{1,}/) || key.match(/^roof:.{1,}/))
+            continue;
+        }
+        if (isIndoorArea && key === "indoor") {
+          continue;
+        }
+        pointTags[key] = entityTags[key];
+        if (keysToCopyAndRetain.indexOf(key) !== -1 || key.match(/^addr:.{1,}/)) {
+          continue;
+        } else if (isIndoorArea && key === "level") {
+          continue;
+        }
+        delete entityTags[key];
+      }
+      if (!isBuilding && !isIndoorArea && fromGeometry === "area") {
+        entityTags.area = "yes";
+      }
+      var replacement = osmNode({ loc: extractedLoc, tags: pointTags });
+      graph = graph.replace(replacement);
+      extractedNodeID = replacement.id;
+      return graph.replace(entity.update({ tags: entityTags }));
+    }
+    action.getExtractedNodeID = function() {
+      return extractedNodeID;
+    };
+    return action;
+  }
+
+  // modules/actions/join.js
+  function actionJoin(ids) {
+    function groupEntitiesByGeometry(graph) {
+      var entities = ids.map(function(id2) {
+        return graph.entity(id2);
+      });
+      return Object.assign(
+        { line: [] },
+        utilArrayGroupBy(entities, function(entity) {
+          return entity.geometry(graph);
+        })
+      );
+    }
+    var action = function(graph) {
+      var ways = ids.map(graph.entity, graph);
+      var survivorID = utilOldestID(ways.map((way) => way.id));
+      ways.sort(function(a, b) {
+        var aSided = a.isSided();
+        var bSided = b.isSided();
+        return aSided && !bSided ? -1 : bSided && !aSided ? 1 : 0;
+      });
+      var sequences = osmJoinWays(ways, graph);
+      var joined = sequences[0];
+      graph = sequences.actions.reduce(function(g, action2) {
+        return action2(g);
+      }, graph);
+      var survivor = graph.entity(survivorID);
+      survivor = survivor.update({ nodes: joined.nodes.map(function(n2) {
+        return n2.id;
+      }) });
+      graph = graph.replace(survivor);
+      joined.forEach(function(way) {
+        if (way.id === survivorID)
+          return;
+        graph.parentRelations(way).forEach(function(parent) {
+          graph = graph.replace(parent.replaceMember(way, survivor));
+        });
+        survivor = survivor.mergeTags(way.tags);
+        graph = graph.replace(survivor);
+        graph = actionDeleteWay(way.id)(graph);
+      });
+      function checkForSimpleMultipolygon() {
+        if (!survivor.isClosed())
+          return;
+        var multipolygons = graph.parentMultipolygons(survivor).filter(function(multipolygon2) {
+          return multipolygon2.members.length === 1;
+        });
+        if (multipolygons.length !== 1)
+          return;
+        var multipolygon = multipolygons[0];
+        for (var key in survivor.tags) {
+          if (multipolygon.tags[key] && // don't collapse if tags cannot be cleanly merged
+          multipolygon.tags[key] !== survivor.tags[key])
+            return;
+        }
+        survivor = survivor.mergeTags(multipolygon.tags);
+        graph = graph.replace(survivor);
+        graph = actionDeleteRelation(
+          multipolygon.id,
+          true
+          /* allow untagged members */
+        )(graph);
+        var tags = Object.assign({}, survivor.tags);
+        if (survivor.geometry(graph) !== "area") {
+          tags.area = "yes";
+        }
+        delete tags.type;
+        survivor = survivor.update({ tags });
+        graph = graph.replace(survivor);
+      }
+      checkForSimpleMultipolygon();
+      return graph;
+    };
+    action.resultingWayNodesLength = function(graph) {
+      return ids.reduce(function(count, id2) {
+        return count + graph.entity(id2).nodes.length;
+      }, 0) - ids.length - 1;
+    };
+    action.disabled = function(graph) {
+      var geometries = groupEntitiesByGeometry(graph);
+      if (ids.length < 2 || ids.length !== geometries.line.length) {
+        return "not_eligible";
+      }
+      var joined = osmJoinWays(ids.map(graph.entity, graph), graph);
+      if (joined.length > 1) {
+        return "not_adjacent";
+      }
+      var i2;
+      var sortedParentRelations = function(id2) {
+        return graph.parentRelations(graph.entity(id2)).filter((rel) => !rel.isRestriction() && !rel.isConnectivity()).sort((a, b) => a.id - b.id);
+      };
+      var relsA = sortedParentRelations(ids[0]);
+      for (i2 = 1; i2 < ids.length; i2++) {
+        var relsB = sortedParentRelations(ids[i2]);
+        if (!utilArrayIdentical(relsA, relsB)) {
+          return "conflicting_relations";
+        }
+      }
+      for (i2 = 0; i2 < ids.length - 1; i2++) {
+        for (var j2 = i2 + 1; j2 < ids.length; j2++) {
+          var path1 = graph.childNodes(graph.entity(ids[i2])).map(function(e) {
+            return e.loc;
+          });
+          var path2 = graph.childNodes(graph.entity(ids[j2])).map(function(e) {
+            return e.loc;
+          });
+          var intersections = geoPathIntersections(path1, path2);
+          var common = utilArrayIntersection(
+            joined[0].nodes.map(function(n2) {
+              return n2.loc.toString();
+            }),
+            intersections.map(function(n2) {
+              return n2.toString();
+            })
+          );
+          if (common.length !== intersections.length) {
+            return "paths_intersect";
+          }
+        }
+      }
+      var nodeIds = joined[0].nodes.map(function(n2) {
+        return n2.id;
+      }).slice(1, -1);
+      var relation;
+      var tags = {};
+      var conflicting = false;
+      joined[0].forEach(function(way) {
+        var parents = graph.parentRelations(way);
+        parents.forEach(function(parent) {
+          if ((parent.isRestriction() || parent.isConnectivity()) && parent.members.some(function(m) {
+            return nodeIds.indexOf(m.id) >= 0;
+          })) {
+            relation = parent;
+          }
+        });
+        for (var k in way.tags) {
+          if (!(k in tags)) {
+            tags[k] = way.tags[k];
+          } else if (tags[k] && osmIsInterestingTag(k) && tags[k] !== way.tags[k]) {
+            conflicting = true;
+          }
+        }
+      });
+      if (relation) {
+        return relation.isRestriction() ? "restriction" : "connectivity";
+      }
+      if (conflicting) {
+        return "conflicting_tags";
+      }
+    };
+    return action;
+  }
+
+  // modules/actions/merge.js
+  function actionMerge(ids) {
+    function groupEntitiesByGeometry(graph) {
+      var entities = ids.map(function(id2) {
+        return graph.entity(id2);
+      });
+      return Object.assign(
+        { point: [], area: [], line: [], relation: [] },
+        utilArrayGroupBy(entities, function(entity) {
+          return entity.geometry(graph);
+        })
+      );
+    }
+    var action = function(graph) {
+      var geometries = groupEntitiesByGeometry(graph);
+      var target = geometries.area[0] || geometries.line[0];
+      var points = geometries.point;
+      points.forEach(function(point2) {
+        target = target.mergeTags(point2.tags);
+        graph = graph.replace(target);
+        graph.parentRelations(point2).forEach(function(parent) {
+          graph = graph.replace(parent.replaceMember(point2, target));
+        });
+        var nodes = utilArrayUniq(graph.childNodes(target));
+        var removeNode = point2;
+        if (!point2.isNew()) {
+          var inserted = false;
+          var canBeReplaced = function(node2) {
+            return !(graph.parentWays(node2).length > 1 || graph.parentRelations(node2).length);
+          };
+          var replaceNode = function(node2) {
+            graph = graph.replace(point2.update({ tags: node2.tags, loc: node2.loc }));
+            target = target.replaceNode(node2.id, point2.id);
+            graph = graph.replace(target);
+            removeNode = node2;
+            inserted = true;
+          };
+          var i2;
+          var node;
+          for (i2 = 0; i2 < nodes.length; i2++) {
+            node = nodes[i2];
+            if (canBeReplaced(node) && node.isNew()) {
+              replaceNode(node);
+              break;
+            }
+          }
+          if (!inserted && point2.hasInterestingTags()) {
+            for (i2 = 0; i2 < nodes.length; i2++) {
+              node = nodes[i2];
+              if (canBeReplaced(node) && !node.hasInterestingTags()) {
+                replaceNode(node);
+                break;
+              }
+            }
+            if (!inserted) {
+              for (i2 = 0; i2 < nodes.length; i2++) {
+                node = nodes[i2];
+                if (canBeReplaced(node) && utilCompareIDs(point2.id, node.id) < 0) {
+                  replaceNode(node);
+                  break;
+                }
+              }
+            }
+          }
+        }
+        graph = graph.remove(removeNode);
+      });
+      if (target.tags.area === "yes") {
+        var tags = Object.assign({}, target.tags);
+        delete tags.area;
+        if (osmTagSuggestingArea(tags)) {
+          target = target.update({ tags });
+          graph = graph.replace(target);
+        }
+      }
+      return graph;
+    };
+    action.disabled = function(graph) {
+      var geometries = groupEntitiesByGeometry(graph);
+      if (geometries.point.length === 0 || geometries.area.length + geometries.line.length !== 1 || geometries.relation.length !== 0) {
+        return "not_eligible";
+      }
+    };
+    return action;
+  }
+
+  // modules/actions/merge_nodes.js
+  function actionMergeNodes(nodeIDs, loc) {
+    function chooseLoc(graph) {
+      if (!nodeIDs.length)
+        return null;
+      var sum = [0, 0];
+      var interestingCount = 0;
+      var interestingLoc;
+      for (var i2 = 0; i2 < nodeIDs.length; i2++) {
+        var node = graph.entity(nodeIDs[i2]);
+        if (node.hasInterestingTags()) {
+          interestingLoc = ++interestingCount === 1 ? node.loc : null;
+        }
+        sum = geoVecAdd(sum, node.loc);
+      }
+      return interestingLoc || geoVecScale(sum, 1 / nodeIDs.length);
+    }
+    var action = function(graph) {
+      if (nodeIDs.length < 2)
+        return graph;
+      var toLoc = loc;
+      if (!toLoc) {
+        toLoc = chooseLoc(graph);
+      }
+      for (var i2 = 0; i2 < nodeIDs.length; i2++) {
+        var node = graph.entity(nodeIDs[i2]);
+        if (node.loc !== toLoc) {
+          graph = graph.replace(node.move(toLoc));
+        }
+      }
+      return actionConnect(nodeIDs)(graph);
+    };
+    action.disabled = function(graph) {
+      if (nodeIDs.length < 2)
+        return "not_eligible";
+      for (var i2 = 0; i2 < nodeIDs.length; i2++) {
+        var entity = graph.entity(nodeIDs[i2]);
+        if (entity.type !== "node")
+          return "not_eligible";
+      }
+      return actionConnect(nodeIDs).disabled(graph);
+    };
+    return action;
+  }
+
+  // modules/osm/changeset.js
+  function osmChangeset() {
+    if (!(this instanceof osmChangeset)) {
+      return new osmChangeset().initialize(arguments);
+    } else if (arguments.length) {
+      this.initialize(arguments);
+    }
+  }
+  osmEntity.changeset = osmChangeset;
+  osmChangeset.prototype = Object.create(osmEntity.prototype);
+  Object.assign(osmChangeset.prototype, {
+    type: "changeset",
+    extent: function() {
+      return new geoExtent();
+    },
+    geometry: function() {
+      return "changeset";
+    },
+    asJXON: function() {
+      return {
+        osm: {
+          changeset: {
+            tag: Object.keys(this.tags).map(function(k) {
+              return { "@k": k, "@v": this.tags[k] };
+            }, this),
+            "@version": 0.6,
+            "@generator": "iD"
+          }
+        }
+      };
+    },
+    // Generate [osmChange](http://wiki.openstreetmap.org/wiki/OsmChange)
+    // XML. Returns a string.
+    osmChangeJXON: function(changes) {
+      var changeset_id = this.id;
+      function nest(x, order) {
+        var groups = {};
+        for (var i2 = 0; i2 < x.length; i2++) {
+          var tagName = Object.keys(x[i2])[0];
+          if (!groups[tagName])
+            groups[tagName] = [];
+          groups[tagName].push(x[i2][tagName]);
+        }
+        var ordered = {};
+        order.forEach(function(o) {
+          if (groups[o])
+            ordered[o] = groups[o];
+        });
+        return ordered;
+      }
+      function sort(changes2) {
+        function resolve(item) {
+          return relations.find(function(relation2) {
+            return item.keyAttributes.type === "relation" && item.keyAttributes.ref === relation2["@id"];
+          });
+        }
+        function isNew(item) {
+          return !sorted[item["@id"]] && !processing.find(function(proc) {
+            return proc["@id"] === item["@id"];
+          });
+        }
+        var processing = [];
+        var sorted = {};
+        var relations = changes2.relation;
+        if (!relations)
+          return changes2;
+        for (var i2 = 0; i2 < relations.length; i2++) {
+          var relation = relations[i2];
+          if (!sorted[relation["@id"]]) {
+            processing.push(relation);
+          }
+          while (processing.length > 0) {
+            var next = processing[0], deps = next.member.map(resolve).filter(Boolean).filter(isNew);
+            if (deps.length === 0) {
+              sorted[next["@id"]] = next;
+              processing.shift();
+            } else {
+              processing = deps.concat(processing);
+            }
+          }
+        }
+        changes2.relation = Object.values(sorted);
+        return changes2;
+      }
+      function rep2(entity) {
+        return entity.asJXON(changeset_id);
+      }
+      return {
+        osmChange: {
+          "@version": 0.6,
+          "@generator": "iD",
+          "create": sort(nest(changes.created.map(rep2), ["node", "way", "relation"])),
+          "modify": nest(changes.modified.map(rep2), ["node", "way", "relation"]),
+          "delete": Object.assign(nest(changes.deleted.map(rep2), ["relation", "way", "node"]), { "@if-unused": true })
+        }
+      };
+    },
+    asGeoJSON: function() {
+      return {};
+    }
+  });
+
+  // modules/osm/note.js
+  function osmNote() {
+    if (!(this instanceof osmNote)) {
+      return new osmNote().initialize(arguments);
+    } else if (arguments.length) {
+      this.initialize(arguments);
+    }
+  }
+  osmNote.id = function() {
+    return osmNote.id.next--;
+  };
+  osmNote.id.next = -1;
+  Object.assign(osmNote.prototype, {
+    type: "note",
+    initialize: function(sources) {
+      for (var i2 = 0; i2 < sources.length; ++i2) {
+        var source = sources[i2];
+        for (var prop in source) {
+          if (Object.prototype.hasOwnProperty.call(source, prop)) {
+            if (source[prop] === void 0) {
+              delete this[prop];
+            } else {
+              this[prop] = source[prop];
+            }
+          }
+        }
+      }
+      if (!this.id) {
+        this.id = osmNote.id().toString();
+      }
+      return this;
+    },
+    extent: function() {
+      return new geoExtent(this.loc);
+    },
+    update: function(attrs) {
+      return osmNote(this, attrs);
+    },
+    isNew: function() {
+      return this.id < 0;
+    },
+    move: function(loc) {
+      return this.update({ loc });
+    }
+  });
+
+  // modules/osm/relation.js
+  function osmRelation() {
+    if (!(this instanceof osmRelation)) {
+      return new osmRelation().initialize(arguments);
+    } else if (arguments.length) {
+      this.initialize(arguments);
+    }
+  }
+  osmEntity.relation = osmRelation;
+  osmRelation.prototype = Object.create(osmEntity.prototype);
+  osmRelation.creationOrder = function(a, b) {
+    var aId = parseInt(osmEntity.id.toOSM(a.id), 10);
+    var bId = parseInt(osmEntity.id.toOSM(b.id), 10);
+    if (aId < 0 || bId < 0)
+      return aId - bId;
+    return bId - aId;
+  };
+  Object.assign(osmRelation.prototype, {
+    type: "relation",
+    members: [],
+    copy: function(resolver, copies) {
+      if (copies[this.id])
+        return copies[this.id];
+      var copy2 = osmEntity.prototype.copy.call(this, resolver, copies);
+      var members = this.members.map(function(member) {
+        return Object.assign({}, member, { id: resolver.entity(member.id).copy(resolver, copies).id });
+      });
+      copy2 = copy2.update({ members });
+      copies[this.id] = copy2;
+      return copy2;
+    },
+    extent: function(resolver, memo) {
+      return resolver.transient(this, "extent", function() {
+        if (memo && memo[this.id])
+          return geoExtent();
+        memo = memo || {};
+        memo[this.id] = true;
+        var extent = geoExtent();
+        for (var i2 = 0; i2 < this.members.length; i2++) {
+          var member = resolver.hasEntity(this.members[i2].id);
+          if (member) {
+            extent._extend(member.extent(resolver, memo));
+          }
+        }
+        return extent;
+      });
+    },
+    geometry: function(graph) {
+      return graph.transient(this, "geometry", function() {
+        return this.isMultipolygon() ? "area" : "relation";
+      });
+    },
+    isDegenerate: function() {
+      return this.members.length === 0;
+    },
+    // Return an array of members, each extended with an 'index' property whose value
+    // is the member index.
+    indexedMembers: function() {
+      var result = new Array(this.members.length);
+      for (var i2 = 0; i2 < this.members.length; i2++) {
+        result[i2] = Object.assign({}, this.members[i2], { index: i2 });
+      }
+      return result;
+    },
+    // Return the first member with the given role. A copy of the member object
+    // is returned, extended with an 'index' property whose value is the member index.
+    memberByRole: function(role) {
+      for (var i2 = 0; i2 < this.members.length; i2++) {
+        if (this.members[i2].role === role) {
+          return Object.assign({}, this.members[i2], { index: i2 });
+        }
+      }
+    },
+    // Same as memberByRole, but returns all members with the given role
+    membersByRole: function(role) {
+      var result = [];
+      for (var i2 = 0; i2 < this.members.length; i2++) {
+        if (this.members[i2].role === role) {
+          result.push(Object.assign({}, this.members[i2], { index: i2 }));
+        }
+      }
+      return result;
+    },
+    // Return the first member with the given id. A copy of the member object
+    // is returned, extended with an 'index' property whose value is the member index.
+    memberById: function(id2) {
+      for (var i2 = 0; i2 < this.members.length; i2++) {
+        if (this.members[i2].id === id2) {
+          return Object.assign({}, this.members[i2], { index: i2 });
+        }
+      }
+    },
+    // Return the first member with the given id and role. A copy of the member object
+    // is returned, extended with an 'index' property whose value is the member index.
+    memberByIdAndRole: function(id2, role) {
+      for (var i2 = 0; i2 < this.members.length; i2++) {
+        if (this.members[i2].id === id2 && this.members[i2].role === role) {
+          return Object.assign({}, this.members[i2], { index: i2 });
+        }
+      }
+    },
+    addMember: function(member, index) {
+      var members = this.members.slice();
+      members.splice(index === void 0 ? members.length : index, 0, member);
+      return this.update({ members });
+    },
+    updateMember: function(member, index) {
+      var members = this.members.slice();
+      members.splice(index, 1, Object.assign({}, members[index], member));
+      return this.update({ members });
+    },
+    removeMember: function(index) {
+      var members = this.members.slice();
+      members.splice(index, 1);
+      return this.update({ members });
+    },
+    removeMembersWithID: function(id2) {
+      var members = this.members.filter(function(m) {
+        return m.id !== id2;
+      });
+      return this.update({ members });
+    },
+    moveMember: function(fromIndex, toIndex) {
+      var members = this.members.slice();
+      members.splice(toIndex, 0, members.splice(fromIndex, 1)[0]);
+      return this.update({ members });
+    },
+    // Wherever a member appears with id `needle.id`, replace it with a member
+    // with id `replacement.id`, type `replacement.type`, and the original role,
+    // By default, adding a duplicate member (by id and role) is prevented.
+    // Return an updated relation.
+    replaceMember: function(needle, replacement, keepDuplicates) {
+      if (!this.memberById(needle.id))
+        return this;
+      var members = [];
+      for (var i2 = 0; i2 < this.members.length; i2++) {
+        var member = this.members[i2];
+        if (member.id !== needle.id) {
+          members.push(member);
+        } else if (keepDuplicates || !this.memberByIdAndRole(replacement.id, member.role)) {
+          members.push({ id: replacement.id, type: replacement.type, role: member.role });
+        }
+      }
+      return this.update({ members });
+    },
+    asJXON: function(changeset_id) {
+      var r = {
+        relation: {
+          "@id": this.osmId(),
+          "@version": this.version || 0,
+          member: this.members.map(function(member) {
+            return {
+              keyAttributes: {
+                type: member.type,
+                role: member.role,
+                ref: osmEntity.id.toOSM(member.id)
+              }
+            };
+          }, this),
+          tag: Object.keys(this.tags).map(function(k) {
+            return { keyAttributes: { k, v: this.tags[k] } };
+          }, this)
+        }
+      };
+      if (changeset_id) {
+        r.relation["@changeset"] = changeset_id;
+      }
+      return r;
+    },
+    asGeoJSON: function(resolver) {
+      return resolver.transient(this, "GeoJSON", function() {
+        if (this.isMultipolygon()) {
+          return {
+            type: "MultiPolygon",
+            coordinates: this.multipolygon(resolver)
+          };
+        } else {
+          return {
+            type: "FeatureCollection",
+            properties: this.tags,
+            features: this.members.map(function(member) {
+              return Object.assign({ role: member.role }, resolver.entity(member.id).asGeoJSON(resolver));
+            })
+          };
+        }
+      });
+    },
+    area: function(resolver) {
+      return resolver.transient(this, "area", function() {
+        return area_default(this.asGeoJSON(resolver));
+      });
+    },
+    isMultipolygon: function() {
+      return this.tags.type === "multipolygon";
+    },
+    isComplete: function(resolver) {
+      for (var i2 = 0; i2 < this.members.length; i2++) {
+        if (!resolver.hasEntity(this.members[i2].id)) {
+          return false;
+        }
+      }
+      return true;
+    },
+    hasFromViaTo: function() {
+      return this.members.some(function(m) {
+        return m.role === "from";
+      }) && this.members.some(function(m) {
+        return m.role === "via";
+      }) && this.members.some(function(m) {
+        return m.role === "to";
+      });
+    },
+    isRestriction: function() {
+      return !!(this.tags.type && this.tags.type.match(/^restriction:?/));
+    },
+    isValidRestriction: function() {
+      if (!this.isRestriction())
+        return false;
+      var froms = this.members.filter(function(m) {
+        return m.role === "from";
+      });
+      var vias = this.members.filter(function(m) {
+        return m.role === "via";
+      });
+      var tos = this.members.filter(function(m) {
+        return m.role === "to";
+      });
+      if (froms.length !== 1 && this.tags.restriction !== "no_entry")
+        return false;
+      if (froms.some(function(m) {
+        return m.type !== "way";
+      }))
+        return false;
+      if (tos.length !== 1 && this.tags.restriction !== "no_exit")
+        return false;
+      if (tos.some(function(m) {
+        return m.type !== "way";
+      }))
+        return false;
+      if (vias.length === 0)
+        return false;
+      if (vias.length > 1 && vias.some(function(m) {
+        return m.type !== "way";
+      }))
+        return false;
+      return true;
+    },
+    isConnectivity: function() {
+      return !!(this.tags.type && this.tags.type.match(/^connectivity:?/));
+    },
+    // Returns an array [A0, ... An], each Ai being an array of node arrays [Nds0, ... Ndsm],
+    // where Nds0 is an outer ring and subsequent Ndsi's (if any i > 0) being inner rings.
+    //
+    // This corresponds to the structure needed for rendering a multipolygon path using a
+    // `evenodd` fill rule, as well as the structure of a GeoJSON MultiPolygon geometry.
+    //
+    // In the case of invalid geometries, this function will still return a result which
+    // includes the nodes of all way members, but some Nds may be unclosed and some inner
+    // rings not matched with the intended outer ring.
+    //
+    multipolygon: function(resolver) {
+      var outers = this.members.filter(function(m) {
+        return "outer" === (m.role || "outer");
+      });
+      var inners = this.members.filter(function(m) {
+        return "inner" === m.role;
+      });
+      outers = osmJoinWays(outers, resolver);
+      inners = osmJoinWays(inners, resolver);
+      var sequenceToLineString = function(sequence) {
+        if (sequence.nodes.length > 2 && sequence.nodes[0] !== sequence.nodes[sequence.nodes.length - 1]) {
+          sequence.nodes.push(sequence.nodes[0]);
+        }
+        return sequence.nodes.map(function(node) {
+          return node.loc;
+        });
+      };
+      outers = outers.map(sequenceToLineString);
+      inners = inners.map(sequenceToLineString);
+      var result = outers.map(function(o2) {
+        return [area_default({ type: "Polygon", coordinates: [o2] }) > 2 * Math.PI ? o2.reverse() : o2];
+      });
+      function findOuter(inner2) {
+        var o2, outer;
+        for (o2 = 0; o2 < outers.length; o2++) {
+          outer = outers[o2];
+          if (geoPolygonContainsPolygon(outer, inner2)) {
+            return o2;
+          }
+        }
+        for (o2 = 0; o2 < outers.length; o2++) {
+          outer = outers[o2];
+          if (geoPolygonIntersectsPolygon(outer, inner2, false)) {
+            return o2;
+          }
+        }
+      }
+      for (var i2 = 0; i2 < inners.length; i2++) {
+        var inner = inners[i2];
+        if (area_default({ type: "Polygon", coordinates: [inner] }) < 2 * Math.PI) {
+          inner = inner.reverse();
+        }
+        var o = findOuter(inners[i2]);
+        if (o !== void 0) {
+          result[o].push(inners[i2]);
+        } else {
+          result.push([inners[i2]]);
+        }
+      }
+      return result;
+    }
+  });
+
+  // modules/osm/qa_item.js
+  var QAItem = class _QAItem {
+    constructor(loc, service, itemType, id2, props) {
+      this.loc = loc;
+      this.service = service.title;
+      this.itemType = itemType;
+      this.id = id2 ? id2 : `${_QAItem.id()}`;
+      this.update(props);
+      if (service && typeof service.getIcon === "function") {
+        this.icon = service.getIcon(itemType);
+      }
+    }
+    update(props) {
+      const { loc, service, itemType, id: id2 } = this;
+      Object.keys(props).forEach((prop) => this[prop] = props[prop]);
+      this.loc = loc;
+      this.service = service;
+      this.itemType = itemType;
+      this.id = id2;
+      return this;
+    }
+    // Generic handling for newly created QAItems
+    static id() {
+      return this.nextId--;
+    }
+  };
+  QAItem.nextId = -1;
+
+  // modules/actions/split.js
+  function actionSplit(nodeIds, newWayIds) {
+    if (typeof nodeIds === "string")
+      nodeIds = [nodeIds];
+    var _wayIDs;
+    var _keepHistoryOn = "longest";
+    var _createdWayIDs = [];
+    function dist(graph, nA, nB) {
+      var locA = graph.entity(nA).loc;
+      var locB = graph.entity(nB).loc;
+      var epsilon3 = 1e-6;
+      return locA && locB ? geoSphericalDistance(locA, locB) : epsilon3;
+    }
+    function splitArea(nodes, idxA, graph) {
+      var lengths = new Array(nodes.length);
+      var length;
+      var i2;
+      var best = 0;
+      var idxB;
+      function wrap2(index) {
+        return utilWrap(index, nodes.length);
+      }
+      length = 0;
+      for (i2 = wrap2(idxA + 1); i2 !== idxA; i2 = wrap2(i2 + 1)) {
+        length += dist(graph, nodes[i2], nodes[wrap2(i2 - 1)]);
+        lengths[i2] = length;
+      }
+      length = 0;
+      for (i2 = wrap2(idxA - 1); i2 !== idxA; i2 = wrap2(i2 - 1)) {
+        length += dist(graph, nodes[i2], nodes[wrap2(i2 + 1)]);
+        if (length < lengths[i2]) {
+          lengths[i2] = length;
+        }
+      }
+      for (i2 = 0; i2 < nodes.length; i2++) {
+        var cost = lengths[i2] / dist(graph, nodes[idxA], nodes[i2]);
+        if (cost > best) {
+          idxB = i2;
+          best = cost;
+        }
+      }
+      return idxB;
+    }
+    function totalLengthBetweenNodes(graph, nodes) {
+      var totalLength = 0;
+      for (var i2 = 0; i2 < nodes.length - 1; i2++) {
+        totalLength += dist(graph, nodes[i2], nodes[i2 + 1]);
+      }
+      return totalLength;
+    }
+    function split(graph, nodeId, wayA, newWayId) {
+      var wayB = osmWay({ id: newWayId, tags: wayA.tags });
+      var origNodes = wayA.nodes.slice();
+      var nodesA;
+      var nodesB;
+      var isArea = wayA.isArea();
+      var isOuter = osmIsOldMultipolygonOuterMember(wayA, graph);
+      if (wayA.isClosed()) {
+        var nodes = wayA.nodes.slice(0, -1);
+        var idxA = nodes.indexOf(nodeId);
+        var idxB = splitArea(nodes, idxA, graph);
+        if (idxB < idxA) {
+          nodesA = nodes.slice(idxA).concat(nodes.slice(0, idxB + 1));
+          nodesB = nodes.slice(idxB, idxA + 1);
+        } else {
+          nodesA = nodes.slice(idxA, idxB + 1);
+          nodesB = nodes.slice(idxB).concat(nodes.slice(0, idxA + 1));
+        }
+      } else {
+        var idx = wayA.nodes.indexOf(nodeId, 1);
+        nodesA = wayA.nodes.slice(0, idx + 1);
+        nodesB = wayA.nodes.slice(idx);
+      }
+      var lengthA = totalLengthBetweenNodes(graph, nodesA);
+      var lengthB = totalLengthBetweenNodes(graph, nodesB);
+      if (_keepHistoryOn === "longest" && lengthB > lengthA) {
+        wayA = wayA.update({ nodes: nodesB });
+        wayB = wayB.update({ nodes: nodesA });
+        var temp = lengthA;
+        lengthA = lengthB;
+        lengthB = temp;
+      } else {
+        wayA = wayA.update({ nodes: nodesA });
+        wayB = wayB.update({ nodes: nodesB });
+      }
+      if (wayA.tags.step_count) {
+        var stepCount = Number(wayA.tags.step_count);
+        if (stepCount && // ensure a number
+        isFinite(stepCount) && // ensure positive
+        stepCount > 0 && // ensure integer
+        Math.round(stepCount) === stepCount) {
+          var tagsA = Object.assign({}, wayA.tags);
+          var tagsB = Object.assign({}, wayB.tags);
+          var ratioA = lengthA / (lengthA + lengthB);
+          var countA = Math.round(stepCount * ratioA);
+          tagsA.step_count = countA.toString();
+          tagsB.step_count = (stepCount - countA).toString();
+          wayA = wayA.update({ tags: tagsA });
+          wayB = wayB.update({ tags: tagsB });
+        }
+      }
+      graph = graph.replace(wayA);
+      graph = graph.replace(wayB);
+      graph.parentRelations(wayA).forEach(function(relation) {
+        var member;
+        if (relation.hasFromViaTo()) {
+          var f2 = relation.memberByRole("from");
+          var v = relation.membersByRole("via");
+          var t = relation.memberByRole("to");
+          var i2;
+          if (f2.id === wayA.id || t.id === wayA.id) {
+            var keepB = false;
+            if (v.length === 1 && v[0].type === "node") {
+              keepB = wayB.contains(v[0].id);
+            } else {
+              for (i2 = 0; i2 < v.length; i2++) {
+                if (v[i2].type === "way") {
+                  var wayVia = graph.hasEntity(v[i2].id);
+                  if (wayVia && utilArrayIntersection(wayB.nodes, wayVia.nodes).length) {
+                    keepB = true;
+                    break;
+                  }
+                }
+              }
+            }
+            if (keepB) {
+              relation = relation.replaceMember(wayA, wayB);
+              graph = graph.replace(relation);
+            }
+          } else {
+            for (i2 = 0; i2 < v.length; i2++) {
+              if (v[i2].type === "way" && v[i2].id === wayA.id) {
+                member = {
+                  id: wayB.id,
+                  type: "way",
+                  role: "via"
+                };
+                graph = actionAddMember(relation.id, member, v[i2].index + 1)(graph);
+                break;
+              }
+            }
+          }
+        } else {
+          if (relation === isOuter) {
+            graph = graph.replace(relation.mergeTags(wayA.tags));
+            graph = graph.replace(wayA.update({ tags: {} }));
+            graph = graph.replace(wayB.update({ tags: {} }));
+          }
+          member = {
+            id: wayB.id,
+            type: "way",
+            role: relation.memberById(wayA.id).role
+          };
+          var insertPair = {
+            originalID: wayA.id,
+            insertedID: wayB.id,
+            nodes: origNodes
+          };
+          graph = actionAddMember(relation.id, member, void 0, insertPair)(graph);
+        }
+      });
+      if (!isOuter && isArea) {
+        var multipolygon = osmRelation({
+          tags: Object.assign({}, wayA.tags, { type: "multipolygon" }),
+          members: [
+            { id: wayA.id, role: "outer", type: "way" },
+            { id: wayB.id, role: "outer", type: "way" }
+          ]
+        });
+        graph = graph.replace(multipolygon);
+        graph = graph.replace(wayA.update({ tags: {} }));
+        graph = graph.replace(wayB.update({ tags: {} }));
+      }
+      _createdWayIDs.push(wayB.id);
+      return graph;
+    }
+    var action = function(graph) {
+      _createdWayIDs = [];
+      var newWayIndex = 0;
+      for (var i2 = 0; i2 < nodeIds.length; i2++) {
+        var nodeId = nodeIds[i2];
+        var candidates = action.waysForNode(nodeId, graph);
+        for (var j2 = 0; j2 < candidates.length; j2++) {
+          graph = split(graph, nodeId, candidates[j2], newWayIds && newWayIds[newWayIndex]);
+          newWayIndex += 1;
+        }
+      }
+      return graph;
+    };
+    action.getCreatedWayIDs = function() {
+      return _createdWayIDs;
+    };
+    action.waysForNode = function(nodeId, graph) {
+      var node = graph.entity(nodeId);
+      var splittableParents = graph.parentWays(node).filter(isSplittable);
+      if (!_wayIDs) {
+        var hasLine = splittableParents.some(function(parent) {
+          return parent.geometry(graph) === "line";
+        });
+        if (hasLine) {
+          return splittableParents.filter(function(parent) {
+            return parent.geometry(graph) === "line";
+          });
+        }
+      }
+      return splittableParents;
+      function isSplittable(parent) {
+        if (_wayIDs && _wayIDs.indexOf(parent.id) === -1)
+          return false;
+        if (parent.isClosed())
+          return true;
+        for (var i2 = 1; i2 < parent.nodes.length - 1; i2++) {
+          if (parent.nodes[i2] === nodeId)
+            return true;
+        }
+        return false;
+      }
+    };
+    action.ways = function(graph) {
+      return utilArrayUniq([].concat.apply([], nodeIds.map(function(nodeId) {
+        return action.waysForNode(nodeId, graph);
+      })));
+    };
+    action.disabled = function(graph) {
+      for (var i2 = 0; i2 < nodeIds.length; i2++) {
+        var nodeId = nodeIds[i2];
+        var candidates = action.waysForNode(nodeId, graph);
+        if (candidates.length === 0 || _wayIDs && _wayIDs.length !== candidates.length) {
+          return "not_eligible";
+        }
+      }
+    };
+    action.limitWays = function(val) {
+      if (!arguments.length)
+        return _wayIDs;
+      _wayIDs = val;
+      return action;
+    };
+    action.keepHistoryOn = function(val) {
+      if (!arguments.length)
+        return _keepHistoryOn;
+      _keepHistoryOn = val;
+      return action;
+    };
+    return action;
+  }
+
+  // modules/core/graph.js
+  function coreGraph(other, mutable) {
+    if (!(this instanceof coreGraph))
+      return new coreGraph(other, mutable);
+    if (other instanceof coreGraph) {
+      var base = other.base();
+      this.entities = Object.assign(Object.create(base.entities), other.entities);
+      this._parentWays = Object.assign(Object.create(base.parentWays), other._parentWays);
+      this._parentRels = Object.assign(Object.create(base.parentRels), other._parentRels);
+    } else {
+      this.entities = /* @__PURE__ */ Object.create({});
+      this._parentWays = /* @__PURE__ */ Object.create({});
+      this._parentRels = /* @__PURE__ */ Object.create({});
+      this.rebase(other || [], [this]);
+    }
+    this.transients = {};
+    this._childNodes = {};
+    this.frozen = !mutable;
+  }
+  coreGraph.prototype = {
+    hasEntity: function(id2) {
+      return this.entities[id2];
+    },
+    entity: function(id2) {
+      var entity = this.entities[id2];
+      if (!entity) {
+        entity = this.entities.__proto__[id2];
+      }
+      if (!entity) {
+        throw new Error("entity " + id2 + " not found");
+      }
+      return entity;
+    },
+    geometry: function(id2) {
+      return this.entity(id2).geometry(this);
+    },
+    transient: function(entity, key, fn) {
+      var id2 = entity.id;
+      var transients = this.transients[id2] || (this.transients[id2] = {});
+      if (transients[key] !== void 0) {
+        return transients[key];
+      }
+      transients[key] = fn.call(entity);
+      return transients[key];
+    },
+    parentWays: function(entity) {
+      var parents = this._parentWays[entity.id];
+      var result = [];
+      if (parents) {
+        parents.forEach(function(id2) {
+          result.push(this.entity(id2));
+        }, this);
+      }
+      return result;
+    },
+    isPoi: function(entity) {
+      var parents = this._parentWays[entity.id];
+      return !parents || parents.size === 0;
+    },
+    isShared: function(entity) {
+      var parents = this._parentWays[entity.id];
+      return parents && parents.size > 1;
+    },
+    parentRelations: function(entity) {
+      var parents = this._parentRels[entity.id];
+      var result = [];
+      if (parents) {
+        parents.forEach(function(id2) {
+          result.push(this.entity(id2));
+        }, this);
+      }
+      return result;
+    },
+    parentMultipolygons: function(entity) {
+      return this.parentRelations(entity).filter(function(relation) {
+        return relation.isMultipolygon();
+      });
+    },
+    childNodes: function(entity) {
+      if (this._childNodes[entity.id])
+        return this._childNodes[entity.id];
+      if (!entity.nodes)
+        return [];
+      var nodes = [];
+      for (var i2 = 0; i2 < entity.nodes.length; i2++) {
+        nodes[i2] = this.entity(entity.nodes[i2]);
+      }
+      if (debug)
+        Object.freeze(nodes);
+      this._childNodes[entity.id] = nodes;
+      return this._childNodes[entity.id];
+    },
+    base: function() {
+      return {
+        "entities": Object.getPrototypeOf(this.entities),
+        "parentWays": Object.getPrototypeOf(this._parentWays),
+        "parentRels": Object.getPrototypeOf(this._parentRels)
+      };
+    },
+    // Unlike other graph methods, rebase mutates in place. This is because it
+    // is used only during the history operation that merges newly downloaded
+    // data into each state. To external consumers, it should appear as if the
+    // graph always contained the newly downloaded data.
+    rebase: function(entities, stack, force) {
+      var base = this.base();
+      var i2, j2, k, id2;
+      for (i2 = 0; i2 < entities.length; i2++) {
+        var entity = entities[i2];
+        if (!entity.visible || !force && base.entities[entity.id])
+          continue;
+        base.entities[entity.id] = entity;
+        this._updateCalculated(void 0, entity, base.parentWays, base.parentRels);
+        if (entity.type === "way") {
+          for (j2 = 0; j2 < entity.nodes.length; j2++) {
+            id2 = entity.nodes[j2];
+            for (k = 1; k < stack.length; k++) {
+              var ents = stack[k].entities;
+              if (ents.hasOwnProperty(id2) && ents[id2] === void 0) {
+                delete ents[id2];
+              }
+            }
+          }
+        }
+      }
+      for (i2 = 0; i2 < stack.length; i2++) {
+        stack[i2]._updateRebased();
+      }
+    },
+    _updateRebased: function() {
+      var base = this.base();
+      Object.keys(this._parentWays).forEach(function(child) {
+        if (base.parentWays[child]) {
+          base.parentWays[child].forEach(function(id2) {
+            if (!this.entities.hasOwnProperty(id2)) {
+              this._parentWays[child].add(id2);
+            }
+          }, this);
+        }
+      }, this);
+      Object.keys(this._parentRels).forEach(function(child) {
+        if (base.parentRels[child]) {
+          base.parentRels[child].forEach(function(id2) {
+            if (!this.entities.hasOwnProperty(id2)) {
+              this._parentRels[child].add(id2);
+            }
+          }, this);
+        }
+      }, this);
+      this.transients = {};
+    },
+    // Updates calculated properties (parentWays, parentRels) for the specified change
+    _updateCalculated: function(oldentity, entity, parentWays, parentRels) {
+      parentWays = parentWays || this._parentWays;
+      parentRels = parentRels || this._parentRels;
+      var type2 = entity && entity.type || oldentity && oldentity.type;
+      var removed, added, i2;
+      if (type2 === "way") {
+        if (oldentity && entity) {
+          removed = utilArrayDifference(oldentity.nodes, entity.nodes);
+          added = utilArrayDifference(entity.nodes, oldentity.nodes);
+        } else if (oldentity) {
+          removed = oldentity.nodes;
+          added = [];
+        } else if (entity) {
+          removed = [];
+          added = entity.nodes;
+        }
+        for (i2 = 0; i2 < removed.length; i2++) {
+          parentWays[removed[i2]] = new Set(parentWays[removed[i2]]);
+          parentWays[removed[i2]].delete(oldentity.id);
+        }
+        for (i2 = 0; i2 < added.length; i2++) {
+          parentWays[added[i2]] = new Set(parentWays[added[i2]]);
+          parentWays[added[i2]].add(entity.id);
+        }
+      } else if (type2 === "relation") {
+        var oldentityMemberIDs = oldentity ? oldentity.members.map(function(m) {
+          return m.id;
+        }) : [];
+        var entityMemberIDs = entity ? entity.members.map(function(m) {
+          return m.id;
+        }) : [];
+        if (oldentity && entity) {
+          removed = utilArrayDifference(oldentityMemberIDs, entityMemberIDs);
+          added = utilArrayDifference(entityMemberIDs, oldentityMemberIDs);
+        } else if (oldentity) {
+          removed = oldentityMemberIDs;
+          added = [];
+        } else if (entity) {
+          removed = [];
+          added = entityMemberIDs;
+        }
+        for (i2 = 0; i2 < removed.length; i2++) {
+          parentRels[removed[i2]] = new Set(parentRels[removed[i2]]);
+          parentRels[removed[i2]].delete(oldentity.id);
+        }
+        for (i2 = 0; i2 < added.length; i2++) {
+          parentRels[added[i2]] = new Set(parentRels[added[i2]]);
+          parentRels[added[i2]].add(entity.id);
+        }
+      }
+    },
+    replace: function(entity) {
+      if (this.entities[entity.id] === entity)
+        return this;
+      return this.update(function() {
+        this._updateCalculated(this.entities[entity.id], entity);
+        this.entities[entity.id] = entity;
+      });
+    },
+    remove: function(entity) {
+      return this.update(function() {
+        this._updateCalculated(entity, void 0);
+        this.entities[entity.id] = void 0;
+      });
+    },
+    revert: function(id2) {
+      var baseEntity = this.base().entities[id2];
+      var headEntity = this.entities[id2];
+      if (headEntity === baseEntity)
+        return this;
+      return this.update(function() {
+        this._updateCalculated(headEntity, baseEntity);
+        delete this.entities[id2];
+      });
+    },
+    update: function() {
+      var graph = this.frozen ? coreGraph(this, true) : this;
+      for (var i2 = 0; i2 < arguments.length; i2++) {
+        arguments[i2].call(graph, graph);
+      }
+      if (this.frozen)
+        graph.frozen = true;
+      return graph;
+    },
+    // Obliterates any existing entities
+    load: function(entities) {
+      var base = this.base();
+      this.entities = Object.create(base.entities);
+      for (var i2 in entities) {
+        this.entities[i2] = entities[i2];
+        this._updateCalculated(base.entities[i2], this.entities[i2]);
+      }
+      return this;
+    }
+  };
+
+  // modules/osm/intersection.js
+  function osmTurn(turn) {
+    if (!(this instanceof osmTurn)) {
+      return new osmTurn(turn);
+    }
+    Object.assign(this, turn);
+  }
+  function osmIntersection(graph, startVertexId, maxDistance) {
+    maxDistance = maxDistance || 30;
+    var vgraph = coreGraph();
+    var i2, j2, k;
+    function memberOfRestriction(entity) {
+      return graph.parentRelations(entity).some(function(r) {
+        return r.isRestriction();
+      });
+    }
+    function isRoad(way2) {
+      if (way2.isArea() || way2.isDegenerate())
+        return false;
+      var roads = {
+        "motorway": true,
+        "motorway_link": true,
+        "trunk": true,
+        "trunk_link": true,
+        "primary": true,
+        "primary_link": true,
+        "secondary": true,
+        "secondary_link": true,
+        "tertiary": true,
+        "tertiary_link": true,
+        "residential": true,
+        "unclassified": true,
+        "living_street": true,
+        "service": true,
+        "road": true,
+        "track": true
+      };
+      return roads[way2.tags.highway];
+    }
+    var startNode = graph.entity(startVertexId);
+    var checkVertices = [startNode];
+    var checkWays;
+    var vertices = [];
+    var vertexIds = [];
+    var vertex;
+    var ways = [];
+    var wayIds = [];
+    var way;
+    var nodes = [];
+    var node;
+    var parents = [];
+    var parent;
+    var actions = [];
+    while (checkVertices.length) {
+      vertex = checkVertices.pop();
+      checkWays = graph.parentWays(vertex);
+      var hasWays = false;
+      for (i2 = 0; i2 < checkWays.length; i2++) {
+        way = checkWays[i2];
+        if (!isRoad(way) && !memberOfRestriction(way))
+          continue;
+        ways.push(way);
+        hasWays = true;
+        nodes = utilArrayUniq(graph.childNodes(way));
+        for (j2 = 0; j2 < nodes.length; j2++) {
+          node = nodes[j2];
+          if (node === vertex)
+            continue;
+          if (vertices.indexOf(node) !== -1)
+            continue;
+          if (geoSphericalDistance(node.loc, startNode.loc) > maxDistance)
+            continue;
+          var hasParents = false;
+          parents = graph.parentWays(node);
+          for (k = 0; k < parents.length; k++) {
+            parent = parents[k];
+            if (parent === way)
+              continue;
+            if (ways.indexOf(parent) !== -1)
+              continue;
+            if (!isRoad(parent))
+              continue;
+            hasParents = true;
+            break;
+          }
+          if (hasParents) {
+            checkVertices.push(node);
+          }
+        }
+      }
+      if (hasWays) {
+        vertices.push(vertex);
+      }
+    }
+    vertices = utilArrayUniq(vertices);
+    ways = utilArrayUniq(ways);
+    ways.forEach(function(way2) {
+      graph.childNodes(way2).forEach(function(node2) {
+        vgraph = vgraph.replace(node2);
+      });
+      vgraph = vgraph.replace(way2);
+      graph.parentRelations(way2).forEach(function(relation) {
+        if (relation.isRestriction()) {
+          if (relation.isValidRestriction(graph)) {
+            vgraph = vgraph.replace(relation);
+          } else if (relation.isComplete(graph)) {
+            actions.push(actionDeleteRelation(relation.id));
+          }
+        }
+      });
+    });
+    ways.forEach(function(w) {
+      var way2 = vgraph.entity(w.id);
+      if (way2.tags.oneway === "-1") {
+        var action = actionReverse(way2.id, { reverseOneway: true });
+        actions.push(action);
+        vgraph = action(vgraph);
+      }
+    });
+    var origCount = osmEntity.id.next.way;
+    vertices.forEach(function(v) {
+      var splitAll = actionSplit([v.id]).keepHistoryOn("first");
+      if (!splitAll.disabled(vgraph)) {
+        splitAll.ways(vgraph).forEach(function(way2) {
+          var splitOne = actionSplit([v.id]).limitWays([way2.id]).keepHistoryOn("first");
+          actions.push(splitOne);
+          vgraph = splitOne(vgraph);
+        });
+      }
+    });
+    osmEntity.id.next.way = origCount;
+    vertexIds = vertices.map(function(v) {
+      return v.id;
+    });
+    vertices = [];
+    ways = [];
+    vertexIds.forEach(function(id2) {
+      var vertex2 = vgraph.entity(id2);
+      var parents2 = vgraph.parentWays(vertex2);
+      vertices.push(vertex2);
+      ways = ways.concat(parents2);
+    });
+    vertices = utilArrayUniq(vertices);
+    ways = utilArrayUniq(ways);
+    vertexIds = vertices.map(function(v) {
+      return v.id;
+    });
+    wayIds = ways.map(function(w) {
+      return w.id;
+    });
+    function withMetadata(way2, vertexIds2) {
+      var __oneWay = way2.isOneWay();
+      var __first = vertexIds2.indexOf(way2.first()) !== -1;
+      var __last = vertexIds2.indexOf(way2.last()) !== -1;
+      var __via = __first && __last;
+      var __from = __first && !__oneWay || __last;
+      var __to = __first || __last && !__oneWay;
+      return way2.update({
+        __first,
+        __last,
+        __from,
+        __via,
+        __to,
+        __oneWay
+      });
+    }
+    ways = [];
+    wayIds.forEach(function(id2) {
+      var way2 = withMetadata(vgraph.entity(id2), vertexIds);
+      vgraph = vgraph.replace(way2);
+      ways.push(way2);
+    });
+    var keepGoing;
+    var removeWayIds = [];
+    var removeVertexIds = [];
+    do {
+      keepGoing = false;
+      checkVertices = vertexIds.slice();
+      for (i2 = 0; i2 < checkVertices.length; i2++) {
+        var vertexId = checkVertices[i2];
+        vertex = vgraph.hasEntity(vertexId);
+        if (!vertex) {
+          if (vertexIds.indexOf(vertexId) !== -1) {
+            vertexIds.splice(vertexIds.indexOf(vertexId), 1);
+          }
+          removeVertexIds.push(vertexId);
+          continue;
+        }
+        parents = vgraph.parentWays(vertex);
+        if (parents.length < 3) {
+          if (vertexIds.indexOf(vertexId) !== -1) {
+            vertexIds.splice(vertexIds.indexOf(vertexId), 1);
+          }
+        }
+        if (parents.length === 2) {
+          var a = parents[0];
+          var b = parents[1];
+          var aIsLeaf = a && !a.__via;
+          var bIsLeaf = b && !b.__via;
+          var leaf, survivor;
+          if (aIsLeaf && !bIsLeaf) {
+            leaf = a;
+            survivor = b;
+          } else if (!aIsLeaf && bIsLeaf) {
+            leaf = b;
+            survivor = a;
+          }
+          if (leaf && survivor) {
+            survivor = withMetadata(survivor, vertexIds);
+            vgraph = vgraph.replace(survivor).remove(leaf);
+            removeWayIds.push(leaf.id);
+            keepGoing = true;
+          }
+        }
+        parents = vgraph.parentWays(vertex);
+        if (parents.length < 2) {
+          if (vertexIds.indexOf(vertexId) !== -1) {
+            vertexIds.splice(vertexIds.indexOf(vertexId), 1);
+          }
+          removeVertexIds.push(vertexId);
+          keepGoing = true;
+        }
+        if (parents.length < 1) {
+          vgraph = vgraph.remove(vertex);
+        }
+      }
+    } while (keepGoing);
+    vertices = vertices.filter(function(vertex2) {
+      return removeVertexIds.indexOf(vertex2.id) === -1;
+    }).map(function(vertex2) {
+      return vgraph.entity(vertex2.id);
+    });
+    ways = ways.filter(function(way2) {
+      return removeWayIds.indexOf(way2.id) === -1;
+    }).map(function(way2) {
+      return vgraph.entity(way2.id);
+    });
+    var intersection = {
+      graph: vgraph,
+      actions,
+      vertices,
+      ways
+    };
+    intersection.turns = function(fromWayId, maxViaWay) {
+      if (!fromWayId)
+        return [];
+      if (!maxViaWay)
+        maxViaWay = 0;
+      var vgraph2 = intersection.graph;
+      var keyVertexIds = intersection.vertices.map(function(v) {
+        return v.id;
+      });
+      var start2 = vgraph2.entity(fromWayId);
+      if (!start2 || !(start2.__from || start2.__via))
+        return [];
+      var maxPathLength = maxViaWay * 2 + 3;
+      var turns = [];
+      step(start2);
+      return turns;
+      function step(entity, currPath, currRestrictions, matchedRestriction) {
+        currPath = (currPath || []).slice();
+        if (currPath.length >= maxPathLength)
+          return;
+        currPath.push(entity.id);
+        currRestrictions = (currRestrictions || []).slice();
+        if (entity.type === "node") {
+          stepNode(entity, currPath, currRestrictions);
+        } else {
+          stepWay(entity, currPath, currRestrictions, matchedRestriction);
+        }
+      }
+      function stepNode(entity, currPath, currRestrictions) {
+        var i3, j3;
+        var parents2 = vgraph2.parentWays(entity);
+        var nextWays = [];
+        for (i3 = 0; i3 < parents2.length; i3++) {
+          var way2 = parents2[i3];
+          if (way2.__oneWay && way2.nodes[0] !== entity.id)
+            continue;
+          if (currPath.indexOf(way2.id) !== -1 && currPath.length >= 3)
+            continue;
+          var restrict = null;
+          for (j3 = 0; j3 < currRestrictions.length; j3++) {
+            var restriction = currRestrictions[j3];
+            var f2 = restriction.memberByRole("from");
+            var v = restriction.membersByRole("via");
+            var t = restriction.memberByRole("to");
+            var isNo = /^no_/.test(restriction.tags.restriction);
+            var isOnly = /^only_/.test(restriction.tags.restriction);
+            if (!(isNo || isOnly)) {
+              continue;
+            }
+            var matchesFrom = f2.id === fromWayId;
+            var matchesViaTo = false;
+            var isAlongOnlyPath = false;
+            if (t.id === way2.id) {
+              if (v.length === 1 && v[0].type === "node") {
+                matchesViaTo = v[0].id === entity.id && (matchesFrom && currPath.length === 2 || !matchesFrom && currPath.length > 2);
+              } else {
+                var pathVias = [];
+                for (k = 2; k < currPath.length; k += 2) {
+                  pathVias.push(currPath[k]);
+                }
+                var restrictionVias = [];
+                for (k = 0; k < v.length; k++) {
+                  if (v[k].type === "way") {
+                    restrictionVias.push(v[k].id);
+                  }
+                }
+                var diff = utilArrayDifference(pathVias, restrictionVias);
+                matchesViaTo = !diff.length;
+              }
+            } else if (isOnly) {
+              for (k = 0; k < v.length; k++) {
+                if (v[k].type === "way" && v[k].id === way2.id) {
+                  isAlongOnlyPath = true;
+                  break;
+                }
+              }
+            }
+            if (matchesViaTo) {
+              if (isOnly) {
+                restrict = { id: restriction.id, direct: matchesFrom, from: f2.id, only: true, end: true };
+              } else {
+                restrict = { id: restriction.id, direct: matchesFrom, from: f2.id, no: true, end: true };
+              }
+            } else {
+              if (isAlongOnlyPath) {
+                restrict = { id: restriction.id, direct: false, from: f2.id, only: true, end: false };
+              } else if (isOnly) {
+                restrict = { id: restriction.id, direct: false, from: f2.id, no: true, end: true };
+              }
+            }
+            if (restrict && restrict.direct)
+              break;
+          }
+          nextWays.push({ way: way2, restrict });
+        }
+        nextWays.forEach(function(nextWay) {
+          step(nextWay.way, currPath, currRestrictions, nextWay.restrict);
+        });
+      }
+      function stepWay(entity, currPath, currRestrictions, matchedRestriction) {
+        var i3;
+        if (currPath.length >= 3) {
+          var turnPath = currPath.slice();
+          if (matchedRestriction && matchedRestriction.direct === false) {
+            for (i3 = 0; i3 < turnPath.length; i3++) {
+              if (turnPath[i3] === matchedRestriction.from) {
+                turnPath = turnPath.slice(i3);
+                break;
+              }
+            }
+          }
+          var turn = pathToTurn(turnPath);
+          if (turn) {
+            if (matchedRestriction) {
+              turn.restrictionID = matchedRestriction.id;
+              turn.no = matchedRestriction.no;
+              turn.only = matchedRestriction.only;
+              turn.direct = matchedRestriction.direct;
+            }
+            turns.push(osmTurn(turn));
+          }
+          if (currPath[0] === currPath[2])
+            return;
+        }
+        if (matchedRestriction && matchedRestriction.end)
+          return;
+        var n1 = vgraph2.entity(entity.first());
+        var n2 = vgraph2.entity(entity.last());
+        var dist = geoSphericalDistance(n1.loc, n2.loc);
+        var nextNodes = [];
+        if (currPath.length > 1) {
+          if (dist > maxDistance)
+            return;
+          if (!entity.__via)
+            return;
+        }
+        if (!entity.__oneWay && // bidirectional..
+        keyVertexIds.indexOf(n1.id) !== -1 && // key vertex..
+        currPath.indexOf(n1.id) === -1) {
+          nextNodes.push(n1);
+        }
+        if (keyVertexIds.indexOf(n2.id) !== -1 && // key vertex..
+        currPath.indexOf(n2.id) === -1) {
+          nextNodes.push(n2);
+        }
+        nextNodes.forEach(function(nextNode) {
+          var fromRestrictions = vgraph2.parentRelations(entity).filter(function(r) {
+            if (!r.isRestriction())
+              return false;
+            var f2 = r.memberByRole("from");
+            if (!f2 || f2.id !== entity.id)
+              return false;
+            var isOnly = /^only_/.test(r.tags.restriction);
+            if (!isOnly)
+              return true;
+            var isOnlyVia = false;
+            var v = r.membersByRole("via");
+            if (v.length === 1 && v[0].type === "node") {
+              isOnlyVia = v[0].id === nextNode.id;
+            } else {
+              for (var i4 = 0; i4 < v.length; i4++) {
+                if (v[i4].type !== "way")
+                  continue;
+                var viaWay = vgraph2.entity(v[i4].id);
+                if (viaWay.first() === nextNode.id || viaWay.last() === nextNode.id) {
+                  isOnlyVia = true;
+                  break;
+                }
+              }
+            }
+            return isOnlyVia;
+          });
+          step(nextNode, currPath, currRestrictions.concat(fromRestrictions), false);
+        });
+      }
+      function pathToTurn(path) {
+        if (path.length < 3)
+          return;
+        var fromWayId2, fromNodeId, fromVertexId;
+        var toWayId, toNodeId, toVertexId;
+        var viaWayIds, viaNodeId, isUturn;
+        fromWayId2 = path[0];
+        toWayId = path[path.length - 1];
+        if (path.length === 3 && fromWayId2 === toWayId) {
+          var way2 = vgraph2.entity(fromWayId2);
+          if (way2.__oneWay)
+            return null;
+          isUturn = true;
+          viaNodeId = fromVertexId = toVertexId = path[1];
+          fromNodeId = toNodeId = adjacentNode(fromWayId2, viaNodeId);
+        } else {
+          isUturn = false;
+          fromVertexId = path[1];
+          fromNodeId = adjacentNode(fromWayId2, fromVertexId);
+          toVertexId = path[path.length - 2];
+          toNodeId = adjacentNode(toWayId, toVertexId);
+          if (path.length === 3) {
+            viaNodeId = path[1];
+          } else {
+            viaWayIds = path.filter(function(entityId) {
+              return entityId[0] === "w";
+            });
+            viaWayIds = viaWayIds.slice(1, viaWayIds.length - 1);
+          }
+        }
+        return {
+          key: path.join("_"),
+          path,
+          from: { node: fromNodeId, way: fromWayId2, vertex: fromVertexId },
+          via: { node: viaNodeId, ways: viaWayIds },
+          to: { node: toNodeId, way: toWayId, vertex: toVertexId },
+          u: isUturn
+        };
+        function adjacentNode(wayId, affixId) {
+          var nodes2 = vgraph2.entity(wayId).nodes;
+          return affixId === nodes2[0] ? nodes2[1] : nodes2[nodes2.length - 2];
+        }
+      }
+    };
+    return intersection;
+  }
+  function osmInferRestriction(graph, turn, projection2) {
+    var fromWay = graph.entity(turn.from.way);
+    var fromNode = graph.entity(turn.from.node);
+    var fromVertex = graph.entity(turn.from.vertex);
+    var toWay = graph.entity(turn.to.way);
+    var toNode = graph.entity(turn.to.node);
+    var toVertex = graph.entity(turn.to.vertex);
+    var fromOneWay = fromWay.tags.oneway === "yes";
+    var toOneWay = toWay.tags.oneway === "yes";
+    var angle2 = (geoAngle(fromVertex, fromNode, projection2) - geoAngle(toVertex, toNode, projection2)) * 180 / Math.PI;
+    while (angle2 < 0) {
+      angle2 += 360;
+    }
+    if (fromNode === toNode) {
+      return "no_u_turn";
+    }
+    if ((angle2 < 23 || angle2 > 336) && fromOneWay && toOneWay) {
+      return "no_u_turn";
+    }
+    if ((angle2 < 40 || angle2 > 319) && fromOneWay && toOneWay && turn.from.vertex !== turn.to.vertex) {
+      return "no_u_turn";
+    }
+    if (angle2 < 158) {
+      return "no_right_turn";
+    }
+    if (angle2 > 202) {
+      return "no_left_turn";
+    }
+    return "no_straight_on";
+  }
+
+  // modules/actions/merge_polygon.js
+  function actionMergePolygon(ids, newRelationId) {
+    function groupEntities(graph) {
+      var entities = ids.map(function(id2) {
+        return graph.entity(id2);
+      });
+      var geometryGroups = utilArrayGroupBy(entities, function(entity) {
+        if (entity.type === "way" && entity.isClosed()) {
+          return "closedWay";
+        } else if (entity.type === "relation" && entity.isMultipolygon()) {
+          return "multipolygon";
+        } else {
+          return "other";
+        }
+      });
+      return Object.assign(
+        { closedWay: [], multipolygon: [], other: [] },
+        geometryGroups
+      );
+    }
+    var action = function(graph) {
+      var entities = groupEntities(graph);
+      var polygons = entities.multipolygon.reduce(function(polygons2, m) {
+        return polygons2.concat(osmJoinWays(m.members, graph));
+      }, []).concat(entities.closedWay.map(function(d) {
+        var member = [{ id: d.id }];
+        member.nodes = graph.childNodes(d);
+        return member;
+      }));
+      var contained = polygons.map(function(w, i2) {
+        return polygons.map(function(d, n2) {
+          if (i2 === n2)
+            return null;
+          return geoPolygonContainsPolygon(
+            d.nodes.map(function(n3) {
+              return n3.loc;
+            }),
+            w.nodes.map(function(n3) {
+              return n3.loc;
+            })
+          );
+        });
+      });
+      var members = [];
+      var outer = true;
+      while (polygons.length) {
+        extractUncontained(polygons);
+        polygons = polygons.filter(isContained);
+        contained = contained.filter(isContained).map(filterContained);
+      }
+      function isContained(d, i2) {
+        return contained[i2].some(function(val) {
+          return val;
+        });
+      }
+      function filterContained(d) {
+        return d.filter(isContained);
+      }
+      function extractUncontained(polygons2) {
+        polygons2.forEach(function(d, i2) {
+          if (!isContained(d, i2)) {
+            d.forEach(function(member) {
+              members.push({
+                type: "way",
+                id: member.id,
+                role: outer ? "outer" : "inner"
+              });
+            });
+          }
+        });
+        outer = !outer;
+      }
+      var relation;
+      if (entities.multipolygon.length > 0) {
+        var oldestID = utilOldestID(entities.multipolygon.map((entity) => entity.id));
+        relation = entities.multipolygon.find((entity) => entity.id === oldestID);
+      } else {
+        relation = osmRelation({ id: newRelationId, tags: { type: "multipolygon" } });
+      }
+      entities.multipolygon.forEach(function(m) {
+        if (m.id !== relation.id) {
+          relation = relation.mergeTags(m.tags);
+          graph = graph.remove(m);
+        }
+      });
+      entities.closedWay.forEach(function(way) {
+        function isThisOuter(m) {
+          return m.id === way.id && m.role !== "inner";
+        }
+        if (members.some(isThisOuter)) {
+          relation = relation.mergeTags(way.tags);
+          graph = graph.replace(way.update({ tags: {} }));
+        }
+      });
+      return graph.replace(relation.update({
+        members,
+        tags: utilObjectOmit(relation.tags, ["area"])
+      }));
+    };
+    action.disabled = function(graph) {
+      var entities = groupEntities(graph);
+      if (entities.other.length > 0 || entities.closedWay.length + entities.multipolygon.length < 2) {
+        return "not_eligible";
+      }
+      if (!entities.multipolygon.every(function(r) {
+        return r.isComplete(graph);
+      })) {
+        return "incomplete_relation";
+      }
+      if (!entities.multipolygon.length) {
+        var sharedMultipolygons = [];
+        entities.closedWay.forEach(function(way, i2) {
+          if (i2 === 0) {
+            sharedMultipolygons = graph.parentMultipolygons(way);
+          } else {
+            sharedMultipolygons = utilArrayIntersection(sharedMultipolygons, graph.parentMultipolygons(way));
+          }
+        });
+        sharedMultipolygons = sharedMultipolygons.filter(function(relation) {
+          return relation.members.length === entities.closedWay.length;
+        });
+        if (sharedMultipolygons.length) {
+          return "not_eligible";
+        }
+      } else if (entities.closedWay.some(function(way) {
+        return utilArrayIntersection(graph.parentMultipolygons(way), entities.multipolygon).length;
+      })) {
+        return "not_eligible";
+      }
+    };
+    return action;
+  }
+
+  // modules/actions/merge_remote_changes.js
+  var import_fast_deep_equal = __toESM(require_fast_deep_equal());
+
+  // node_modules/node-diff3/index.mjs
+  function LCS(buffer1, buffer2) {
+    let equivalenceClasses = {};
+    for (let j2 = 0; j2 < buffer2.length; j2++) {
+      const item = buffer2[j2];
+      if (equivalenceClasses[item]) {
+        equivalenceClasses[item].push(j2);
+      } else {
+        equivalenceClasses[item] = [j2];
+      }
+    }
+    const NULLRESULT = { buffer1index: -1, buffer2index: -1, chain: null };
+    let candidates = [NULLRESULT];
+    for (let i2 = 0; i2 < buffer1.length; i2++) {
+      const item = buffer1[i2];
+      const buffer2indices = equivalenceClasses[item] || [];
+      let r = 0;
+      let c = candidates[0];
+      for (let jx = 0; jx < buffer2indices.length; jx++) {
+        const j2 = buffer2indices[jx];
+        let s;
+        for (s = r; s < candidates.length; s++) {
+          if (candidates[s].buffer2index < j2 && (s === candidates.length - 1 || candidates[s + 1].buffer2index > j2)) {
+            break;
+          }
+        }
+        if (s < candidates.length) {
+          const newCandidate = { buffer1index: i2, buffer2index: j2, chain: candidates[s] };
+          if (r === candidates.length) {
+            candidates.push(c);
+          } else {
+            candidates[r] = c;
+          }
+          r = s + 1;
+          c = newCandidate;
+          if (r === candidates.length) {
+            break;
+          }
+        }
+      }
+      candidates[r] = c;
+    }
+    return candidates[candidates.length - 1];
+  }
+  function diffIndices(buffer1, buffer2) {
+    const lcs = LCS(buffer1, buffer2);
+    let result = [];
+    let tail1 = buffer1.length;
+    let tail2 = buffer2.length;
+    for (let candidate = lcs; candidate !== null; candidate = candidate.chain) {
+      const mismatchLength1 = tail1 - candidate.buffer1index - 1;
+      const mismatchLength2 = tail2 - candidate.buffer2index - 1;
+      tail1 = candidate.buffer1index;
+      tail2 = candidate.buffer2index;
+      if (mismatchLength1 || mismatchLength2) {
+        result.push({
+          buffer1: [tail1 + 1, mismatchLength1],
+          buffer1Content: buffer1.slice(tail1 + 1, tail1 + 1 + mismatchLength1),
+          buffer2: [tail2 + 1, mismatchLength2],
+          buffer2Content: buffer2.slice(tail2 + 1, tail2 + 1 + mismatchLength2)
+        });
+      }
+    }
+    result.reverse();
+    return result;
+  }
+  function diff3MergeRegions(a, o, b) {
+    let hunks = [];
+    function addHunk(h, ab) {
+      hunks.push({
+        ab,
+        oStart: h.buffer1[0],
+        oLength: h.buffer1[1],
+        // length of o to remove
+        abStart: h.buffer2[0],
+        abLength: h.buffer2[1]
+        // length of a/b to insert
+        // abContent: (ab === 'a' ? a : b).slice(h.buffer2[0], h.buffer2[0] + h.buffer2[1])
+      });
+    }
+    diffIndices(o, a).forEach((item) => addHunk(item, "a"));
+    diffIndices(o, b).forEach((item) => addHunk(item, "b"));
+    hunks.sort((x, y) => x.oStart - y.oStart);
+    let results = [];
+    let currOffset = 0;
+    function advanceTo(endOffset) {
+      if (endOffset > currOffset) {
+        results.push({
+          stable: true,
+          buffer: "o",
+          bufferStart: currOffset,
+          bufferLength: endOffset - currOffset,
+          bufferContent: o.slice(currOffset, endOffset)
+        });
+        currOffset = endOffset;
+      }
+    }
+    while (hunks.length) {
+      let hunk = hunks.shift();
+      let regionStart = hunk.oStart;
+      let regionEnd = hunk.oStart + hunk.oLength;
+      let regionHunks = [hunk];
+      advanceTo(regionStart);
+      while (hunks.length) {
+        const nextHunk = hunks[0];
+        const nextHunkStart = nextHunk.oStart;
+        if (nextHunkStart > regionEnd)
+          break;
+        regionEnd = Math.max(regionEnd, nextHunkStart + nextHunk.oLength);
+        regionHunks.push(hunks.shift());
+      }
+      if (regionHunks.length === 1) {
+        if (hunk.abLength > 0) {
+          const buffer = hunk.ab === "a" ? a : b;
+          results.push({
+            stable: true,
+            buffer: hunk.ab,
+            bufferStart: hunk.abStart,
+            bufferLength: hunk.abLength,
+            bufferContent: buffer.slice(hunk.abStart, hunk.abStart + hunk.abLength)
+          });
+        }
+      } else {
+        let bounds = {
+          a: [a.length, -1, o.length, -1],
+          b: [b.length, -1, o.length, -1]
+        };
+        while (regionHunks.length) {
+          hunk = regionHunks.shift();
+          const oStart = hunk.oStart;
+          const oEnd = oStart + hunk.oLength;
+          const abStart = hunk.abStart;
+          const abEnd = abStart + hunk.abLength;
+          let b2 = bounds[hunk.ab];
+          b2[0] = Math.min(abStart, b2[0]);
+          b2[1] = Math.max(abEnd, b2[1]);
+          b2[2] = Math.min(oStart, b2[2]);
+          b2[3] = Math.max(oEnd, b2[3]);
+        }
+        const aStart = bounds.a[0] + (regionStart - bounds.a[2]);
+        const aEnd = bounds.a[1] + (regionEnd - bounds.a[3]);
+        const bStart = bounds.b[0] + (regionStart - bounds.b[2]);
+        const bEnd = bounds.b[1] + (regionEnd - bounds.b[3]);
+        let result = {
+          stable: false,
+          aStart,
+          aLength: aEnd - aStart,
+          aContent: a.slice(aStart, aEnd),
+          oStart: regionStart,
+          oLength: regionEnd - regionStart,
+          oContent: o.slice(regionStart, regionEnd),
+          bStart,
+          bLength: bEnd - bStart,
+          bContent: b.slice(bStart, bEnd)
+        };
+        results.push(result);
+      }
+      currOffset = regionEnd;
+    }
+    advanceTo(o.length);
+    return results;
+  }
+  function diff3Merge(a, o, b, options2) {
+    let defaults2 = {
+      excludeFalseConflicts: true,
+      stringSeparator: /\s+/
+    };
+    options2 = Object.assign(defaults2, options2);
+    if (typeof a === "string")
+      a = a.split(options2.stringSeparator);
+    if (typeof o === "string")
+      o = o.split(options2.stringSeparator);
+    if (typeof b === "string")
+      b = b.split(options2.stringSeparator);
+    let results = [];
+    const regions = diff3MergeRegions(a, o, b);
+    let okBuffer = [];
+    function flushOk() {
+      if (okBuffer.length) {
+        results.push({ ok: okBuffer });
+      }
+      okBuffer = [];
+    }
+    function isFalseConflict(a2, b2) {
+      if (a2.length !== b2.length)
+        return false;
+      for (let i2 = 0; i2 < a2.length; i2++) {
+        if (a2[i2] !== b2[i2])
+          return false;
+      }
+      return true;
+    }
+    regions.forEach((region) => {
+      if (region.stable) {
+        okBuffer.push(...region.bufferContent);
+      } else {
+        if (options2.excludeFalseConflicts && isFalseConflict(region.aContent, region.bContent)) {
+          okBuffer.push(...region.aContent);
+        } else {
+          flushOk();
+          results.push({
+            conflict: {
+              a: region.aContent,
+              aIndex: region.aStart,
+              o: region.oContent,
+              oIndex: region.oStart,
+              b: region.bContent,
+              bIndex: region.bStart
+            }
+          });
+        }
+      }
+    });
+    flushOk();
+    return results;
+  }
+
+  // modules/actions/merge_remote_changes.js
+  var import_lodash2 = __toESM(require_lodash());
+  function actionMergeRemoteChanges(id2, localGraph, remoteGraph, discardTags, formatUser) {
+    discardTags = discardTags || {};
+    var _option = "safe";
+    var _conflicts = [];
+    function user(d) {
+      return typeof formatUser === "function" ? formatUser(d) : (0, import_lodash2.escape)(d);
+    }
+    function mergeLocation(remote, target) {
+      function pointEqual(a, b) {
+        var epsilon3 = 1e-6;
+        return Math.abs(a[0] - b[0]) < epsilon3 && Math.abs(a[1] - b[1]) < epsilon3;
+      }
+      if (_option === "force_local" || pointEqual(target.loc, remote.loc)) {
+        return target;
+      }
+      if (_option === "force_remote") {
+        return target.update({ loc: remote.loc });
+      }
+      _conflicts.push(_t.html("merge_remote_changes.conflict.location", { user: { html: user(remote.user) } }));
+      return target;
+    }
+    function mergeNodes(base, remote, target) {
+      if (_option === "force_local" || (0, import_fast_deep_equal.default)(target.nodes, remote.nodes)) {
+        return target;
+      }
+      if (_option === "force_remote") {
+        return target.update({ nodes: remote.nodes });
+      }
+      var ccount = _conflicts.length;
+      var o = base.nodes || [];
+      var a = target.nodes || [];
+      var b = remote.nodes || [];
+      var nodes = [];
+      var hunks = diff3Merge(a, o, b, { excludeFalseConflicts: true });
+      for (var i2 = 0; i2 < hunks.length; i2++) {
+        var hunk = hunks[i2];
+        if (hunk.ok) {
+          nodes.push.apply(nodes, hunk.ok);
+        } else {
+          var c = hunk.conflict;
+          if ((0, import_fast_deep_equal.default)(c.o, c.a)) {
+            nodes.push.apply(nodes, c.b);
+          } else if ((0, import_fast_deep_equal.default)(c.o, c.b)) {
+            nodes.push.apply(nodes, c.a);
+          } else {
+            _conflicts.push(_t.html("merge_remote_changes.conflict.nodelist", { user: { html: user(remote.user) } }));
+            break;
+          }
+        }
+      }
+      return _conflicts.length === ccount ? target.update({ nodes }) : target;
+    }
+    function mergeChildren(targetWay, children2, updates, graph) {
+      function isUsed(node2, targetWay2) {
+        var hasInterestingParent = graph.parentWays(node2).some(function(way) {
+          return way.id !== targetWay2.id;
+        });
+        return node2.hasInterestingTags() || hasInterestingParent || graph.parentRelations(node2).length > 0;
+      }
+      var ccount = _conflicts.length;
+      for (var i2 = 0; i2 < children2.length; i2++) {
+        var id3 = children2[i2];
+        var node = graph.hasEntity(id3);
+        if (targetWay.nodes.indexOf(id3) === -1) {
+          if (node && !isUsed(node, targetWay)) {
+            updates.removeIds.push(id3);
+          }
+          continue;
+        }
+        var local = localGraph.hasEntity(id3);
+        var remote = remoteGraph.hasEntity(id3);
+        var target;
+        if (_option === "force_remote" && remote && remote.visible) {
+          updates.replacements.push(remote);
+        } else if (_option === "force_local" && local) {
+          target = osmEntity(local);
+          if (remote) {
+            target = target.update({ version: remote.version });
+          }
+          updates.replacements.push(target);
+        } else if (_option === "safe" && local && remote && local.version !== remote.version) {
+          target = osmEntity(local, { version: remote.version });
+          if (remote.visible) {
+            target = mergeLocation(remote, target);
+          } else {
+            _conflicts.push(_t.html("merge_remote_changes.conflict.deleted", { user: { html: user(remote.user) } }));
+          }
+          if (_conflicts.length !== ccount)
+            break;
+          updates.replacements.push(target);
+        }
+      }
+      return targetWay;
+    }
+    function updateChildren(updates, graph) {
+      for (var i2 = 0; i2 < updates.replacements.length; i2++) {
+        graph = graph.replace(updates.replacements[i2]);
+      }
+      if (updates.removeIds.length) {
+        graph = actionDeleteMultiple(updates.removeIds)(graph);
+      }
+      return graph;
+    }
+    function mergeMembers(remote, target) {
+      if (_option === "force_local" || (0, import_fast_deep_equal.default)(target.members, remote.members)) {
+        return target;
+      }
+      if (_option === "force_remote") {
+        return target.update({ members: remote.members });
+      }
+      _conflicts.push(_t.html("merge_remote_changes.conflict.memberlist", { user: { html: user(remote.user) } }));
+      return target;
+    }
+    function mergeTags(base, remote, target) {
+      if (_option === "force_local" || (0, import_fast_deep_equal.default)(target.tags, remote.tags)) {
+        return target;
+      }
+      if (_option === "force_remote") {
+        return target.update({ tags: remote.tags });
+      }
+      var ccount = _conflicts.length;
+      var o = base.tags || {};
+      var a = target.tags || {};
+      var b = remote.tags || {};
+      var keys2 = utilArrayUnion(utilArrayUnion(Object.keys(o), Object.keys(a)), Object.keys(b)).filter(function(k2) {
+        return !discardTags[k2];
+      });
+      var tags = Object.assign({}, a);
+      var changed = false;
+      for (var i2 = 0; i2 < keys2.length; i2++) {
+        var k = keys2[i2];
+        if (o[k] !== b[k] && a[k] !== b[k]) {
+          if (o[k] !== a[k]) {
+            _conflicts.push(_t.html(
+              "merge_remote_changes.conflict.tags",
+              { tag: k, local: a[k], remote: b[k], user: { html: user(remote.user) } }
+            ));
+          } else {
+            if (b.hasOwnProperty(k)) {
+              tags[k] = b[k];
+            } else {
+              delete tags[k];
+            }
+            changed = true;
+          }
+        }
+      }
+      return changed && _conflicts.length === ccount ? target.update({ tags }) : target;
+    }
+    var action = function(graph) {
+      var updates = { replacements: [], removeIds: [] };
+      var base = graph.base().entities[id2];
+      var local = localGraph.entity(id2);
+      var remote = remoteGraph.entity(id2);
+      var target = osmEntity(local, { version: remote.version });
+      if (!remote.visible) {
+        if (_option === "force_remote") {
+          return actionDeleteMultiple([id2])(graph);
+        } else if (_option === "force_local") {
+          if (target.type === "way") {
+            target = mergeChildren(target, utilArrayUniq(local.nodes), updates, graph);
+            graph = updateChildren(updates, graph);
+          }
+          return graph.replace(target);
+        } else {
+          _conflicts.push(_t.html("merge_remote_changes.conflict.deleted", { user: { html: user(remote.user) } }));
+          return graph;
+        }
+      }
+      if (target.type === "node") {
+        target = mergeLocation(remote, target);
+      } else if (target.type === "way") {
+        graph.rebase(remoteGraph.childNodes(remote), [graph], false);
+        target = mergeNodes(base, remote, target);
+        target = mergeChildren(target, utilArrayUnion(local.nodes, remote.nodes), updates, graph);
+      } else if (target.type === "relation") {
+        target = mergeMembers(remote, target);
+      }
+      target = mergeTags(base, remote, target);
+      if (!_conflicts.length) {
+        graph = updateChildren(updates, graph).replace(target);
+      }
+      return graph;
+    };
+    action.withOption = function(opt) {
+      _option = opt;
+      return action;
+    };
+    action.conflicts = function() {
+      return _conflicts;
+    };
+    return action;
+  }
+
+  // modules/actions/move.js
+  function actionMove(moveIDs, tryDelta, projection2, cache) {
+    var _delta = tryDelta;
+    function setupCache(graph) {
+      function canMove(nodeID) {
+        if (moveIDs.indexOf(nodeID) !== -1)
+          return true;
+        var parents = graph.parentWays(graph.entity(nodeID));
+        if (parents.length < 3)
+          return true;
+        var parentsMoving = parents.every(function(way) {
+          return cache.moving[way.id];
+        });
+        if (!parentsMoving)
+          delete cache.moving[nodeID];
+        return parentsMoving;
+      }
+      function cacheEntities(ids) {
+        for (var i2 = 0; i2 < ids.length; i2++) {
+          var id2 = ids[i2];
+          if (cache.moving[id2])
+            continue;
+          cache.moving[id2] = true;
+          var entity = graph.hasEntity(id2);
+          if (!entity)
+            continue;
+          if (entity.type === "node") {
+            cache.nodes.push(id2);
+            cache.startLoc[id2] = entity.loc;
+          } else if (entity.type === "way") {
+            cache.ways.push(id2);
+            cacheEntities(entity.nodes);
+          } else {
+            cacheEntities(entity.members.map(function(member) {
+              return member.id;
+            }));
+          }
+        }
+      }
+      function cacheIntersections(ids) {
+        function isEndpoint(way2, id3) {
+          return !way2.isClosed() && !!way2.affix(id3);
+        }
+        for (var i2 = 0; i2 < ids.length; i2++) {
+          var id2 = ids[i2];
+          var childNodes = graph.childNodes(graph.entity(id2));
+          for (var j2 = 0; j2 < childNodes.length; j2++) {
+            var node = childNodes[j2];
+            var parents = graph.parentWays(node);
+            if (parents.length !== 2)
+              continue;
+            var moved = graph.entity(id2);
+            var unmoved = null;
+            for (var k = 0; k < parents.length; k++) {
+              var way = parents[k];
+              if (!cache.moving[way.id]) {
+                unmoved = way;
+                break;
+              }
+            }
+            if (!unmoved)
+              continue;
+            if (utilArrayIntersection(moved.nodes, unmoved.nodes).length > 2)
+              continue;
+            if (moved.isArea() || unmoved.isArea())
+              continue;
+            cache.intersections.push({
+              nodeId: node.id,
+              movedId: moved.id,
+              unmovedId: unmoved.id,
+              movedIsEP: isEndpoint(moved, node.id),
+              unmovedIsEP: isEndpoint(unmoved, node.id)
+            });
+          }
+        }
+      }
+      if (!cache) {
+        cache = {};
+      }
+      if (!cache.ok) {
+        cache.moving = {};
+        cache.intersections = [];
+        cache.replacedVertex = {};
+        cache.startLoc = {};
+        cache.nodes = [];
+        cache.ways = [];
+        cacheEntities(moveIDs);
+        cacheIntersections(cache.ways);
+        cache.nodes = cache.nodes.filter(canMove);
+        cache.ok = true;
+      }
+    }
+    function replaceMovedVertex(nodeId, wayId, graph, delta) {
+      var way = graph.entity(wayId);
+      var moved = graph.entity(nodeId);
+      var movedIndex = way.nodes.indexOf(nodeId);
+      var len, prevIndex, nextIndex;
+      if (way.isClosed()) {
+        len = way.nodes.length - 1;
+        prevIndex = (movedIndex + len - 1) % len;
+        nextIndex = (movedIndex + len + 1) % len;
+      } else {
+        len = way.nodes.length;
+        prevIndex = movedIndex - 1;
+        nextIndex = movedIndex + 1;
+      }
+      var prev = graph.hasEntity(way.nodes[prevIndex]);
+      var next = graph.hasEntity(way.nodes[nextIndex]);
+      if (!prev || !next)
+        return graph;
+      var key = wayId + "_" + nodeId;
+      var orig = cache.replacedVertex[key];
+      if (!orig) {
+        orig = osmNode();
+        cache.replacedVertex[key] = orig;
+        cache.startLoc[orig.id] = cache.startLoc[nodeId];
+      }
+      var start2, end;
+      if (delta) {
+        start2 = projection2(cache.startLoc[nodeId]);
+        end = projection2.invert(geoVecAdd(start2, delta));
+      } else {
+        end = cache.startLoc[nodeId];
+      }
+      orig = orig.move(end);
+      var angle2 = Math.abs(geoAngle(orig, prev, projection2) - geoAngle(orig, next, projection2)) * 180 / Math.PI;
+      if (angle2 > 175 && angle2 < 185)
+        return graph;
+      var p1 = [prev.loc, orig.loc, moved.loc, next.loc].map(projection2);
+      var p2 = [prev.loc, moved.loc, orig.loc, next.loc].map(projection2);
+      var d1 = geoPathLength(p1);
+      var d2 = geoPathLength(p2);
+      var insertAt = d1 <= d2 ? movedIndex : nextIndex;
+      if (way.isClosed() && insertAt === 0)
+        insertAt = len;
+      way = way.addNode(orig.id, insertAt);
+      return graph.replace(orig).replace(way);
+    }
+    function removeDuplicateVertices(wayId, graph) {
+      var way = graph.entity(wayId);
+      var epsilon3 = 1e-6;
+      var prev, curr;
+      function isInteresting(node, graph2) {
+        return graph2.parentWays(node).length > 1 || graph2.parentRelations(node).length || node.hasInterestingTags();
+      }
+      for (var i2 = 0; i2 < way.nodes.length; i2++) {
+        curr = graph.entity(way.nodes[i2]);
+        if (prev && curr && geoVecEqual(prev.loc, curr.loc, epsilon3)) {
+          if (!isInteresting(prev, graph)) {
+            way = way.removeNode(prev.id);
+            graph = graph.replace(way).remove(prev);
+          } else if (!isInteresting(curr, graph)) {
+            way = way.removeNode(curr.id);
+            graph = graph.replace(way).remove(curr);
+          }
+        }
+        prev = curr;
+      }
+      return graph;
+    }
+    function unZorroIntersection(intersection, graph) {
+      var vertex = graph.entity(intersection.nodeId);
+      var way1 = graph.entity(intersection.movedId);
+      var way2 = graph.entity(intersection.unmovedId);
+      var isEP1 = intersection.movedIsEP;
+      var isEP2 = intersection.unmovedIsEP;
+      if (isEP1 && isEP2)
+        return graph;
+      var nodes1 = graph.childNodes(way1).filter(function(n2) {
+        return n2 !== vertex;
+      });
+      var nodes2 = graph.childNodes(way2).filter(function(n2) {
+        return n2 !== vertex;
+      });
+      if (way1.isClosed() && way1.first() === vertex.id)
+        nodes1.push(nodes1[0]);
+      if (way2.isClosed() && way2.first() === vertex.id)
+        nodes2.push(nodes2[0]);
+      var edge1 = !isEP1 && geoChooseEdge(nodes1, projection2(vertex.loc), projection2);
+      var edge2 = !isEP2 && geoChooseEdge(nodes2, projection2(vertex.loc), projection2);
+      var loc;
+      if (!isEP1 && !isEP2) {
+        var epsilon3 = 1e-6, maxIter = 10;
+        for (var i2 = 0; i2 < maxIter; i2++) {
+          loc = geoVecInterp(edge1.loc, edge2.loc, 0.5);
+          edge1 = geoChooseEdge(nodes1, projection2(loc), projection2);
+          edge2 = geoChooseEdge(nodes2, projection2(loc), projection2);
+          if (Math.abs(edge1.distance - edge2.distance) < epsilon3)
+            break;
+        }
+      } else if (!isEP1) {
+        loc = edge1.loc;
+      } else {
+        loc = edge2.loc;
+      }
+      graph = graph.replace(vertex.move(loc));
+      if (!isEP1 && edge1.index !== way1.nodes.indexOf(vertex.id)) {
+        way1 = way1.removeNode(vertex.id).addNode(vertex.id, edge1.index);
+        graph = graph.replace(way1);
+      }
+      if (!isEP2 && edge2.index !== way2.nodes.indexOf(vertex.id)) {
+        way2 = way2.removeNode(vertex.id).addNode(vertex.id, edge2.index);
+        graph = graph.replace(way2);
+      }
+      return graph;
+    }
+    function cleanupIntersections(graph) {
+      for (var i2 = 0; i2 < cache.intersections.length; i2++) {
+        var obj = cache.intersections[i2];
+        graph = replaceMovedVertex(obj.nodeId, obj.movedId, graph, _delta);
+        graph = replaceMovedVertex(obj.nodeId, obj.unmovedId, graph, null);
+        graph = unZorroIntersection(obj, graph);
+        graph = removeDuplicateVertices(obj.movedId, graph);
+        graph = removeDuplicateVertices(obj.unmovedId, graph);
+      }
+      return graph;
+    }
+    function limitDelta(graph) {
+      function moveNode(loc) {
+        return geoVecAdd(projection2(loc), _delta);
+      }
+      for (var i2 = 0; i2 < cache.intersections.length; i2++) {
+        var obj = cache.intersections[i2];
+        if (obj.movedIsEP && obj.unmovedIsEP)
+          continue;
+        if (!obj.movedIsEP)
+          continue;
+        var node = graph.entity(obj.nodeId);
+        var start2 = projection2(node.loc);
+        var end = geoVecAdd(start2, _delta);
+        var movedNodes = graph.childNodes(graph.entity(obj.movedId));
+        var movedPath = movedNodes.map(function(n2) {
+          return moveNode(n2.loc);
+        });
+        var unmovedNodes = graph.childNodes(graph.entity(obj.unmovedId));
+        var unmovedPath = unmovedNodes.map(function(n2) {
+          return projection2(n2.loc);
+        });
+        var hits = geoPathIntersections(movedPath, unmovedPath);
+        for (var j2 = 0; i2 < hits.length; i2++) {
+          if (geoVecEqual(hits[j2], end))
+            continue;
+          var edge = geoChooseEdge(unmovedNodes, end, projection2);
+          _delta = geoVecSubtract(projection2(edge.loc), start2);
+        }
+      }
+    }
+    var action = function(graph) {
+      if (_delta[0] === 0 && _delta[1] === 0)
+        return graph;
+      setupCache(graph);
+      if (cache.intersections.length) {
+        limitDelta(graph);
+      }
+      for (var i2 = 0; i2 < cache.nodes.length; i2++) {
+        var node = graph.entity(cache.nodes[i2]);
+        var start2 = projection2(node.loc);
+        var end = geoVecAdd(start2, _delta);
+        graph = graph.replace(node.move(projection2.invert(end)));
+      }
+      if (cache.intersections.length) {
+        graph = cleanupIntersections(graph);
+      }
+      return graph;
+    };
+    action.delta = function() {
+      return _delta;
+    };
+    return action;
+  }
+
+  // modules/actions/move_member.js
+  function actionMoveMember(relationId, fromIndex, toIndex) {
+    return function(graph) {
+      return graph.replace(graph.entity(relationId).moveMember(fromIndex, toIndex));
+    };
+  }
+
+  // modules/actions/move_node.js
+  function actionMoveNode(nodeID, toLoc) {
+    var action = function(graph, t) {
+      if (t === null || !isFinite(t))
+        t = 1;
+      t = Math.min(Math.max(+t, 0), 1);
+      var node = graph.entity(nodeID);
+      return graph.replace(
+        node.move(geoVecInterp(node.loc, toLoc, t))
+      );
+    };
+    action.transitionable = true;
+    return action;
+  }
+
+  // modules/actions/noop.js
+  function actionNoop() {
+    return function(graph) {
+      return graph;
+    };
+  }
+
+  // modules/actions/orthogonalize.js
+  function actionOrthogonalize(wayID, projection2, vertexID, degThresh, ep) {
+    var epsilon3 = ep || 1e-4;
+    var threshold = degThresh || 13;
+    var lowerThreshold = Math.cos((90 - threshold) * Math.PI / 180);
+    var upperThreshold = Math.cos(threshold * Math.PI / 180);
+    var action = function(graph, t) {
+      if (t === null || !isFinite(t))
+        t = 1;
+      t = Math.min(Math.max(+t, 0), 1);
+      var way = graph.entity(wayID);
+      way = way.removeNode("");
+      if (way.tags.nonsquare) {
+        var tags = Object.assign({}, way.tags);
+        delete tags.nonsquare;
+        way = way.update({ tags });
+      }
+      graph = graph.replace(way);
+      var isClosed = way.isClosed();
+      var nodes = graph.childNodes(way).slice();
+      if (isClosed)
+        nodes.pop();
+      if (vertexID !== void 0) {
+        nodes = nodeSubset(nodes, vertexID, isClosed);
+        if (nodes.length !== 3)
+          return graph;
+      }
+      var nodeCount = {};
+      var points = [];
+      var corner = { i: 0, dotp: 1 };
+      var node, point2, loc, score, motions, i2, j2;
+      for (i2 = 0; i2 < nodes.length; i2++) {
+        node = nodes[i2];
+        nodeCount[node.id] = (nodeCount[node.id] || 0) + 1;
+        points.push({ id: node.id, coord: projection2(node.loc) });
+      }
+      if (points.length === 3) {
+        for (i2 = 0; i2 < 1e3; i2++) {
+          motions = points.map(calcMotion);
+          points[corner.i].coord = geoVecAdd(points[corner.i].coord, motions[corner.i]);
+          score = corner.dotp;
+          if (score < epsilon3) {
+            break;
+          }
+        }
+        node = graph.entity(nodes[corner.i].id);
+        loc = projection2.invert(points[corner.i].coord);
+        graph = graph.replace(node.move(geoVecInterp(node.loc, loc, t)));
+      } else {
+        var straights = [];
+        var simplified = [];
+        for (i2 = 0; i2 < points.length; i2++) {
+          point2 = points[i2];
+          var dotp = 0;
+          if (isClosed || i2 > 0 && i2 < points.length - 1) {
+            var a = points[(i2 - 1 + points.length) % points.length];
+            var b = points[(i2 + 1) % points.length];
+            dotp = Math.abs(geoOrthoNormalizedDotProduct(a.coord, b.coord, point2.coord));
+          }
+          if (dotp > upperThreshold) {
+            straights.push(point2);
+          } else {
+            simplified.push(point2);
+          }
+        }
+        var bestPoints = clonePoints(simplified);
+        var originalPoints = clonePoints(simplified);
+        score = Infinity;
+        for (i2 = 0; i2 < 1e3; i2++) {
+          motions = simplified.map(calcMotion);
+          for (j2 = 0; j2 < motions.length; j2++) {
+            simplified[j2].coord = geoVecAdd(simplified[j2].coord, motions[j2]);
+          }
+          var newScore = geoOrthoCalcScore(simplified, isClosed, epsilon3, threshold);
+          if (newScore < score) {
+            bestPoints = clonePoints(simplified);
+            score = newScore;
+          }
+          if (score < epsilon3) {
+            break;
+          }
+        }
+        var bestCoords = bestPoints.map(function(p) {
+          return p.coord;
+        });
+        if (isClosed)
+          bestCoords.push(bestCoords[0]);
+        for (i2 = 0; i2 < bestPoints.length; i2++) {
+          point2 = bestPoints[i2];
+          if (!geoVecEqual(originalPoints[i2].coord, point2.coord)) {
+            node = graph.entity(point2.id);
+            loc = projection2.invert(point2.coord);
+            graph = graph.replace(node.move(geoVecInterp(node.loc, loc, t)));
+          }
+        }
+        for (i2 = 0; i2 < straights.length; i2++) {
+          point2 = straights[i2];
+          if (nodeCount[point2.id] > 1)
+            continue;
+          node = graph.entity(point2.id);
+          if (t === 1 && graph.parentWays(node).length === 1 && graph.parentRelations(node).length === 0 && !node.hasInterestingTags()) {
+            graph = actionDeleteNode(node.id)(graph);
+          } else {
+            var choice = geoVecProject(point2.coord, bestCoords);
+            if (choice) {
+              loc = projection2.invert(choice.target);
+              graph = graph.replace(node.move(geoVecInterp(node.loc, loc, t)));
+            }
+          }
+        }
+      }
+      return graph;
+      function clonePoints(array2) {
+        return array2.map(function(p) {
+          return { id: p.id, coord: [p.coord[0], p.coord[1]] };
+        });
+      }
+      function calcMotion(point3, i3, array2) {
+        if (!isClosed && (i3 === 0 || i3 === array2.length - 1))
+          return [0, 0];
+        if (nodeCount[array2[i3].id] > 1)
+          return [0, 0];
+        var a2 = array2[(i3 - 1 + array2.length) % array2.length].coord;
+        var origin = point3.coord;
+        var b2 = array2[(i3 + 1) % array2.length].coord;
+        var p = geoVecSubtract(a2, origin);
+        var q = geoVecSubtract(b2, origin);
+        var scale = 2 * Math.min(geoVecLength(p), geoVecLength(q));
+        p = geoVecNormalize(p);
+        q = geoVecNormalize(q);
+        var dotp2 = p[0] * q[0] + p[1] * q[1];
+        var val = Math.abs(dotp2);
+        if (val < lowerThreshold) {
+          corner.i = i3;
+          corner.dotp = val;
+          var vec = geoVecNormalize(geoVecAdd(p, q));
+          return geoVecScale(vec, 0.1 * dotp2 * scale);
+        }
+        return [0, 0];
+      }
+    };
+    function nodeSubset(nodes, vertexID2, isClosed) {
+      var first = isClosed ? 0 : 1;
+      var last = isClosed ? nodes.length : nodes.length - 1;
+      for (var i2 = first; i2 < last; i2++) {
+        if (nodes[i2].id === vertexID2) {
+          return [
+            nodes[(i2 - 1 + nodes.length) % nodes.length],
+            nodes[i2],
+            nodes[(i2 + 1) % nodes.length]
+          ];
+        }
+      }
+      return [];
+    }
+    action.disabled = function(graph) {
+      var way = graph.entity(wayID);
+      way = way.removeNode("");
+      graph = graph.replace(way);
+      var isClosed = way.isClosed();
+      var nodes = graph.childNodes(way).slice();
+      if (isClosed)
+        nodes.pop();
+      var allowStraightAngles = false;
+      if (vertexID !== void 0) {
+        allowStraightAngles = true;
+        nodes = nodeSubset(nodes, vertexID, isClosed);
+        if (nodes.length !== 3)
+          return "end_vertex";
+      }
+      var coords = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var score = geoOrthoCanOrthogonalize(coords, isClosed, epsilon3, threshold, allowStraightAngles);
+      if (score === null) {
+        return "not_squarish";
+      } else if (score === 0) {
+        return "square_enough";
+      } else {
+        return false;
+      }
+    };
+    action.transitionable = true;
+    return action;
+  }
+
+  // modules/actions/restrict_turn.js
+  function actionRestrictTurn(turn, restrictionType, restrictionID) {
+    return function(graph) {
+      var fromWay = graph.entity(turn.from.way);
+      var toWay = graph.entity(turn.to.way);
+      var viaNode = turn.via.node && graph.entity(turn.via.node);
+      var viaWays = turn.via.ways && turn.via.ways.map(function(id2) {
+        return graph.entity(id2);
+      });
+      var members = [];
+      members.push({ id: fromWay.id, type: "way", role: "from" });
+      if (viaNode) {
+        members.push({ id: viaNode.id, type: "node", role: "via" });
+      } else if (viaWays) {
+        viaWays.forEach(function(viaWay) {
+          members.push({ id: viaWay.id, type: "way", role: "via" });
+        });
+      }
+      members.push({ id: toWay.id, type: "way", role: "to" });
+      return graph.replace(osmRelation({
+        id: restrictionID,
+        tags: {
+          type: "restriction",
+          restriction: restrictionType
+        },
+        members
+      }));
+    };
+  }
+
+  // modules/actions/revert.js
+  function actionRevert(id2) {
+    var action = function(graph) {
+      var entity = graph.hasEntity(id2), base = graph.base().entities[id2];
+      if (entity && !base) {
+        if (entity.type === "node") {
+          graph.parentWays(entity).forEach(function(parent) {
+            parent = parent.removeNode(id2);
+            graph = graph.replace(parent);
+            if (parent.isDegenerate()) {
+              graph = actionDeleteWay(parent.id)(graph);
+            }
+          });
+        }
+        graph.parentRelations(entity).forEach(function(parent) {
+          parent = parent.removeMembersWithID(id2);
+          graph = graph.replace(parent);
+          if (parent.isDegenerate()) {
+            graph = actionDeleteRelation(parent.id)(graph);
+          }
+        });
+      }
+      return graph.revert(id2);
+    };
+    return action;
+  }
+
+  // modules/actions/rotate.js
+  function actionRotate(rotateIds, pivot, angle2, projection2) {
+    var action = function(graph) {
+      return graph.update(function(graph2) {
+        utilGetAllNodes(rotateIds, graph2).forEach(function(node) {
+          var point2 = geoRotate([projection2(node.loc)], angle2, pivot)[0];
+          graph2 = graph2.replace(node.move(projection2.invert(point2)));
+        });
+      });
+    };
+    return action;
+  }
+
+  // modules/actions/scale.js
+  function actionScale(ids, pivotLoc, scaleFactor, projection2) {
+    return function(graph) {
+      return graph.update(function(graph2) {
+        let point2, radial;
+        utilGetAllNodes(ids, graph2).forEach(function(node) {
+          point2 = projection2(node.loc);
+          radial = [
+            point2[0] - pivotLoc[0],
+            point2[1] - pivotLoc[1]
+          ];
+          point2 = [
+            pivotLoc[0] + scaleFactor * radial[0],
+            pivotLoc[1] + scaleFactor * radial[1]
+          ];
+          graph2 = graph2.replace(node.move(projection2.invert(point2)));
+        });
+      });
+    };
+  }
+
+  // modules/actions/straighten_nodes.js
+  function actionStraightenNodes(nodeIDs, projection2) {
+    function positionAlongWay(a, o, b) {
+      return geoVecDot(a, b, o) / geoVecDot(b, b, o);
+    }
+    function getEndpoints(points) {
+      var ssr = geoGetSmallestSurroundingRectangle(points);
+      var p1 = [(ssr.poly[0][0] + ssr.poly[1][0]) / 2, (ssr.poly[0][1] + ssr.poly[1][1]) / 2];
+      var q1 = [(ssr.poly[2][0] + ssr.poly[3][0]) / 2, (ssr.poly[2][1] + ssr.poly[3][1]) / 2];
+      var p2 = [(ssr.poly[3][0] + ssr.poly[4][0]) / 2, (ssr.poly[3][1] + ssr.poly[4][1]) / 2];
+      var q2 = [(ssr.poly[1][0] + ssr.poly[2][0]) / 2, (ssr.poly[1][1] + ssr.poly[2][1]) / 2];
+      var isLong = geoVecLength(p1, q1) > geoVecLength(p2, q2);
+      if (isLong) {
+        return [p1, q1];
+      }
+      return [p2, q2];
+    }
+    var action = function(graph, t) {
+      if (t === null || !isFinite(t))
+        t = 1;
+      t = Math.min(Math.max(+t, 0), 1);
+      var nodes = nodeIDs.map(function(id2) {
+        return graph.entity(id2);
+      });
+      var points = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var endpoints = getEndpoints(points);
+      var startPoint = endpoints[0];
+      var endPoint = endpoints[1];
+      for (var i2 = 0; i2 < points.length; i2++) {
+        var node = nodes[i2];
+        var point2 = points[i2];
+        var u = positionAlongWay(point2, startPoint, endPoint);
+        var point22 = geoVecInterp(startPoint, endPoint, u);
+        var loc2 = projection2.invert(point22);
+        graph = graph.replace(node.move(geoVecInterp(node.loc, loc2, t)));
+      }
+      return graph;
+    };
+    action.disabled = function(graph) {
+      var nodes = nodeIDs.map(function(id2) {
+        return graph.entity(id2);
+      });
+      var points = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var endpoints = getEndpoints(points);
+      var startPoint = endpoints[0];
+      var endPoint = endpoints[1];
+      var maxDistance = 0;
+      for (var i2 = 0; i2 < points.length; i2++) {
+        var point2 = points[i2];
+        var u = positionAlongWay(point2, startPoint, endPoint);
+        var p = geoVecInterp(startPoint, endPoint, u);
+        var dist = geoVecLength(p, point2);
+        if (!isNaN(dist) && dist > maxDistance) {
+          maxDistance = dist;
+        }
+      }
+      if (maxDistance < 1e-4) {
+        return "straight_enough";
+      }
+    };
+    action.transitionable = true;
+    return action;
+  }
+
+  // modules/actions/straighten_way.js
+  function actionStraightenWay(selectedIDs, projection2) {
+    function positionAlongWay(a, o, b) {
+      return geoVecDot(a, b, o) / geoVecDot(b, b, o);
+    }
+    function allNodes(graph) {
+      var nodes = [];
+      var startNodes = [];
+      var endNodes = [];
+      var remainingWays = [];
+      var selectedWays = selectedIDs.filter(function(w) {
+        return graph.entity(w).type === "way";
+      });
+      var selectedNodes = selectedIDs.filter(function(n2) {
+        return graph.entity(n2).type === "node";
+      });
+      for (var i2 = 0; i2 < selectedWays.length; i2++) {
+        var way = graph.entity(selectedWays[i2]);
+        nodes = way.nodes.slice(0);
+        remainingWays.push(nodes);
+        startNodes.push(nodes[0]);
+        endNodes.push(nodes[nodes.length - 1]);
+      }
+      startNodes = startNodes.filter(function(n2) {
+        return startNodes.indexOf(n2) === startNodes.lastIndexOf(n2);
+      });
+      endNodes = endNodes.filter(function(n2) {
+        return endNodes.indexOf(n2) === endNodes.lastIndexOf(n2);
+      });
+      var currNode = utilArrayDifference(startNodes, endNodes).concat(utilArrayDifference(endNodes, startNodes))[0];
+      var nextWay = [];
+      nodes = [];
+      var getNextWay = function(currNode2, remainingWays2) {
+        return remainingWays2.filter(function(way2) {
+          return way2[0] === currNode2 || way2[way2.length - 1] === currNode2;
+        })[0];
+      };
+      while (remainingWays.length) {
+        nextWay = getNextWay(currNode, remainingWays);
+        remainingWays = utilArrayDifference(remainingWays, [nextWay]);
+        if (nextWay[0] !== currNode) {
+          nextWay.reverse();
+        }
+        nodes = nodes.concat(nextWay);
+        currNode = nodes[nodes.length - 1];
+      }
+      if (selectedNodes.length === 2) {
+        var startNodeIdx = nodes.indexOf(selectedNodes[0]);
+        var endNodeIdx = nodes.indexOf(selectedNodes[1]);
+        var sortedStartEnd = [startNodeIdx, endNodeIdx];
+        sortedStartEnd.sort(function(a, b) {
+          return a - b;
+        });
+        nodes = nodes.slice(sortedStartEnd[0], sortedStartEnd[1] + 1);
+      }
+      return nodes.map(function(n2) {
+        return graph.entity(n2);
+      });
+    }
+    function shouldKeepNode(node, graph) {
+      return graph.parentWays(node).length > 1 || graph.parentRelations(node).length || node.hasInterestingTags();
+    }
+    var action = function(graph, t) {
+      if (t === null || !isFinite(t))
+        t = 1;
+      t = Math.min(Math.max(+t, 0), 1);
+      var nodes = allNodes(graph);
+      var points = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var startPoint = points[0];
+      var endPoint = points[points.length - 1];
+      var toDelete = [];
+      var i2;
+      for (i2 = 1; i2 < points.length - 1; i2++) {
+        var node = nodes[i2];
+        var point2 = points[i2];
+        if (t < 1 || shouldKeepNode(node, graph)) {
+          var u = positionAlongWay(point2, startPoint, endPoint);
+          var p = geoVecInterp(startPoint, endPoint, u);
+          var loc2 = projection2.invert(p);
+          graph = graph.replace(node.move(geoVecInterp(node.loc, loc2, t)));
+        } else {
+          if (toDelete.indexOf(node) === -1) {
+            toDelete.push(node);
+          }
+        }
+      }
+      for (i2 = 0; i2 < toDelete.length; i2++) {
+        graph = actionDeleteNode(toDelete[i2].id)(graph);
+      }
+      return graph;
+    };
+    action.disabled = function(graph) {
+      var nodes = allNodes(graph);
+      var points = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var startPoint = points[0];
+      var endPoint = points[points.length - 1];
+      var threshold = 0.2 * geoVecLength(startPoint, endPoint);
+      var i2;
+      if (threshold === 0) {
+        return "too_bendy";
+      }
+      var maxDistance = 0;
+      for (i2 = 1; i2 < points.length - 1; i2++) {
+        var point2 = points[i2];
+        var u = positionAlongWay(point2, startPoint, endPoint);
+        var p = geoVecInterp(startPoint, endPoint, u);
+        var dist = geoVecLength(p, point2);
+        if (isNaN(dist) || dist > threshold) {
+          return "too_bendy";
+        } else if (dist > maxDistance) {
+          maxDistance = dist;
+        }
+      }
+      var keepingAllNodes = nodes.every(function(node, i3) {
+        return i3 === 0 || i3 === nodes.length - 1 || shouldKeepNode(node, graph);
+      });
+      if (maxDistance < 1e-4 && // Allow straightening even if already straight in order to remove extraneous nodes
+      keepingAllNodes) {
+        return "straight_enough";
+      }
+    };
+    action.transitionable = true;
+    return action;
+  }
+
+  // modules/actions/unrestrict_turn.js
+  function actionUnrestrictTurn(turn) {
+    return function(graph) {
+      return actionDeleteRelation(turn.restrictionID)(graph);
+    };
+  }
+
+  // modules/actions/reflect.js
+  function actionReflect(reflectIds, projection2) {
+    var _useLongAxis = true;
+    var action = function(graph, t) {
+      if (t === null || !isFinite(t))
+        t = 1;
+      t = Math.min(Math.max(+t, 0), 1);
+      var nodes = utilGetAllNodes(reflectIds, graph);
+      var points = nodes.map(function(n2) {
+        return projection2(n2.loc);
+      });
+      var ssr = geoGetSmallestSurroundingRectangle(points);
+      var p1 = [(ssr.poly[0][0] + ssr.poly[1][0]) / 2, (ssr.poly[0][1] + ssr.poly[1][1]) / 2];
+      var q1 = [(ssr.poly[2][0] + ssr.poly[3][0]) / 2, (ssr.poly[2][1] + ssr.poly[3][1]) / 2];
+      var p2 = [(ssr.poly[3][0] + ssr.poly[4][0]) / 2, (ssr.poly[3][1] + ssr.poly[4][1]) / 2];
+      var q2 = [(ssr.poly[1][0] + ssr.poly[2][0]) / 2, (ssr.poly[1][1] + ssr.poly[2][1]) / 2];
+      var p, q;
+      var isLong = geoVecLength(p1, q1) > geoVecLength(p2, q2);
+      if (_useLongAxis && isLong || !_useLongAxis && !isLong) {
+        p = p1;
+        q = q1;
+      } else {
+        p = p2;
+        q = q2;
+      }
+      var dx = q[0] - p[0];
+      var dy = q[1] - p[1];
+      var a = (dx * dx - dy * dy) / (dx * dx + dy * dy);
+      var b = 2 * dx * dy / (dx * dx + dy * dy);
+      for (var i2 = 0; i2 < nodes.length; i2++) {
+        var node = nodes[i2];
+        var c = projection2(node.loc);
+        var c2 = [
+          a * (c[0] - p[0]) + b * (c[1] - p[1]) + p[0],
+          b * (c[0] - p[0]) - a * (c[1] - p[1]) + p[1]
+        ];
+        var loc2 = projection2.invert(c2);
+        node = node.move(geoVecInterp(node.loc, loc2, t));
+        graph = graph.replace(node);
+      }
+      return graph;
+    };
+    action.useLongAxis = function(val) {
+      if (!arguments.length)
+        return _useLongAxis;
+      _useLongAxis = val;
+      return action;
+    };
+    action.transitionable = true;
+    return action;
+  }
+
+  // modules/actions/upgrade_tags.js
+  function actionUpgradeTags(entityId, oldTags, replaceTags) {
+    return function(graph) {
+      var entity = graph.entity(entityId);
+      var tags = Object.assign({}, entity.tags);
+      var transferValue;
+      var semiIndex;
+      for (var oldTagKey in oldTags) {
+        if (!(oldTagKey in tags))
+          continue;
+        if (oldTags[oldTagKey] === "*") {
+          transferValue = tags[oldTagKey];
+          delete tags[oldTagKey];
+        } else if (oldTags[oldTagKey] === tags[oldTagKey]) {
+          delete tags[oldTagKey];
+        } else {
+          var vals = tags[oldTagKey].split(";").filter(Boolean);
+          var oldIndex = vals.indexOf(oldTags[oldTagKey]);
+          if (vals.length === 1 || oldIndex === -1) {
+            delete tags[oldTagKey];
+          } else {
+            if (replaceTags && replaceTags[oldTagKey]) {
+              semiIndex = oldIndex;
+            }
+            vals.splice(oldIndex, 1);
+            tags[oldTagKey] = vals.join(";");
+          }
+        }
+      }
+      if (replaceTags) {
+        for (var replaceKey in replaceTags) {
+          var replaceValue = replaceTags[replaceKey];
+          if (replaceValue === "*") {
+            if (tags[replaceKey] && tags[replaceKey] !== "no") {
+              continue;
+            } else {
+              tags[replaceKey] = "yes";
+            }
+          } else if (replaceValue === "$1") {
+            tags[replaceKey] = transferValue;
+          } else {
+            if (tags[replaceKey] && oldTags[replaceKey] && semiIndex !== void 0) {
+              var existingVals = tags[replaceKey].split(";").filter(Boolean);
+              if (existingVals.indexOf(replaceValue) === -1) {
+                existingVals.splice(semiIndex, 0, replaceValue);
+                tags[replaceKey] = existingVals.join(";");
+              }
+            } else {
+              tags[replaceKey] = replaceValue;
+            }
+          }
+        }
+      }
+      return graph.replace(entity.update({ tags }));
+    };
+  }
+
+  // modules/behavior/edit.js
+  function behaviorEdit(context) {
+    function behavior() {
+      context.map().minzoom(context.minEditableZoom());
+    }
+    behavior.off = function() {
+      context.map().minzoom(0);
+    };
+    return behavior;
+  }
+
+  // modules/behavior/hover.js
+  function behaviorHover(context) {
+    var dispatch10 = dispatch_default("hover");
+    var _selection = select_default2(null);
+    var _newNodeId = null;
+    var _initialNodeID = null;
+    var _altDisables;
+    var _ignoreVertex;
+    var _targets = [];
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    function keydown(d3_event) {
+      if (_altDisables && d3_event.keyCode === utilKeybinding.modifierCodes.alt) {
+        _selection.selectAll(".hover").classed("hover-suppressed", true).classed("hover", false);
+        _selection.classed("hover-disabled", true);
+        dispatch10.call("hover", this, null);
+      }
+    }
+    function keyup(d3_event) {
+      if (_altDisables && d3_event.keyCode === utilKeybinding.modifierCodes.alt) {
+        _selection.selectAll(".hover-suppressed").classed("hover-suppressed", false).classed("hover", true);
+        _selection.classed("hover-disabled", false);
+        dispatch10.call("hover", this, _targets);
+      }
+    }
+    function behavior(selection2) {
+      _selection = selection2;
+      _targets = [];
+      if (_initialNodeID) {
+        _newNodeId = _initialNodeID;
+        _initialNodeID = null;
+      } else {
+        _newNodeId = null;
+      }
+      _selection.on(_pointerPrefix + "over.hover", pointerover).on(_pointerPrefix + "out.hover", pointerout).on(_pointerPrefix + "down.hover", pointerover);
+      select_default2(window).on(_pointerPrefix + "up.hover pointercancel.hover", pointerout, true).on("keydown.hover", keydown).on("keyup.hover", keyup);
+      function eventTarget(d3_event) {
+        var datum2 = d3_event.target && d3_event.target.__data__;
+        if (typeof datum2 !== "object")
+          return null;
+        if (!(datum2 instanceof osmEntity) && datum2.properties && datum2.properties.entity instanceof osmEntity) {
+          return datum2.properties.entity;
+        }
+        return datum2;
+      }
+      function pointerover(d3_event) {
+        if (context.mode().id.indexOf("drag") === -1 && (!d3_event.pointerType || d3_event.pointerType === "mouse") && d3_event.buttons)
+          return;
+        var target = eventTarget(d3_event);
+        if (target && _targets.indexOf(target) === -1) {
+          _targets.push(target);
+          updateHover(d3_event, _targets);
+        }
+      }
+      function pointerout(d3_event) {
+        var target = eventTarget(d3_event);
+        var index = _targets.indexOf(target);
+        if (index !== -1) {
+          _targets.splice(index);
+          updateHover(d3_event, _targets);
+        }
+      }
+      function allowsVertex(d) {
+        return d.geometry(context.graph()) === "vertex" || _mainPresetIndex.allowsVertex(d, context.graph());
+      }
+      function modeAllowsHover(target) {
+        var mode = context.mode();
+        if (mode.id === "add-point") {
+          return mode.preset.matchGeometry("vertex") || target.type !== "way" && target.geometry(context.graph()) !== "vertex";
+        }
+        return true;
+      }
+      function updateHover(d3_event, targets) {
+        _selection.selectAll(".hover").classed("hover", false);
+        _selection.selectAll(".hover-suppressed").classed("hover-suppressed", false);
+        var mode = context.mode();
+        if (!_newNodeId && (mode.id === "draw-line" || mode.id === "draw-area")) {
+          var node = targets.find(function(target) {
+            return target instanceof osmEntity && target.type === "node";
+          });
+          _newNodeId = node && node.id;
+        }
+        targets = targets.filter(function(datum3) {
+          if (datum3 instanceof osmEntity) {
+            return datum3.id !== _newNodeId && (datum3.type !== "node" || !_ignoreVertex || allowsVertex(datum3)) && modeAllowsHover(datum3);
+          }
+          return true;
+        });
+        var selector = "";
+        for (var i2 in targets) {
+          var datum2 = targets[i2];
+          if (datum2.__featurehash__) {
+            selector += ", .data" + datum2.__featurehash__;
+          } else if (datum2 instanceof QAItem) {
+            selector += ", ." + datum2.service + ".itemId-" + datum2.id;
+          } else if (datum2 instanceof osmNote) {
+            selector += ", .note-" + datum2.id;
+          } else if (datum2 instanceof osmEntity) {
+            selector += ", ." + datum2.id;
+            if (datum2.type === "relation") {
+              for (var j2 in datum2.members) {
+                selector += ", ." + datum2.members[j2].id;
+              }
+            }
+          }
+        }
+        var suppressed = _altDisables && d3_event && d3_event.altKey;
+        if (selector.trim().length) {
+          selector = selector.slice(1);
+          _selection.selectAll(selector).classed(suppressed ? "hover-suppressed" : "hover", true);
+        }
+        dispatch10.call("hover", this, !suppressed && targets);
+      }
+    }
+    behavior.off = function(selection2) {
+      selection2.selectAll(".hover").classed("hover", false);
+      selection2.selectAll(".hover-suppressed").classed("hover-suppressed", false);
+      selection2.classed("hover-disabled", false);
+      selection2.on(_pointerPrefix + "over.hover", null).on(_pointerPrefix + "out.hover", null).on(_pointerPrefix + "down.hover", null);
+      select_default2(window).on(_pointerPrefix + "up.hover pointercancel.hover", null, true).on("keydown.hover", null).on("keyup.hover", null);
+    };
+    behavior.altDisables = function(val) {
+      if (!arguments.length)
+        return _altDisables;
+      _altDisables = val;
+      return behavior;
+    };
+    behavior.ignoreVertex = function(val) {
+      if (!arguments.length)
+        return _ignoreVertex;
+      _ignoreVertex = val;
+      return behavior;
+    };
+    behavior.initialNodeID = function(nodeId) {
+      _initialNodeID = nodeId;
+      return behavior;
+    };
+    return utilRebind(behavior, dispatch10, "on");
+  }
+
+  // modules/behavior/draw.js
+  var _disableSpace = false;
+  var _lastSpace = null;
+  function behaviorDraw(context) {
+    var dispatch10 = dispatch_default(
+      "move",
+      "down",
+      "downcancel",
+      "click",
+      "clickWay",
+      "clickNode",
+      "undo",
+      "cancel",
+      "finish"
+    );
+    var keybinding = utilKeybinding("draw");
+    var _hover = behaviorHover(context).altDisables(true).ignoreVertex(true).on("hover", context.ui().sidebar.hover);
+    var _edit = behaviorEdit(context);
+    var _closeTolerance = 4;
+    var _tolerance = 12;
+    var _mouseLeave = false;
+    var _lastMouse = null;
+    var _lastPointerUpEvent;
+    var _downPointer;
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    function datum2(d3_event) {
+      var mode = context.mode();
+      var isNote = mode && mode.id.indexOf("note") !== -1;
+      if (d3_event.altKey || isNote)
+        return {};
+      var element;
+      if (d3_event.type === "keydown") {
+        element = _lastMouse && _lastMouse.target;
+      } else {
+        element = d3_event.target;
+      }
+      var d = element.__data__;
+      return d && d.properties && d.properties.target ? d : {};
+    }
+    function pointerdown(d3_event) {
+      if (_downPointer)
+        return;
+      var pointerLocGetter = utilFastMouse(this);
+      _downPointer = {
+        id: d3_event.pointerId || "mouse",
+        pointerLocGetter,
+        downTime: +/* @__PURE__ */ new Date(),
+        downLoc: pointerLocGetter(d3_event)
+      };
+      dispatch10.call("down", this, d3_event, datum2(d3_event));
+    }
+    function pointerup(d3_event) {
+      if (!_downPointer || _downPointer.id !== (d3_event.pointerId || "mouse"))
+        return;
+      var downPointer = _downPointer;
+      _downPointer = null;
+      _lastPointerUpEvent = d3_event;
+      if (downPointer.isCancelled)
+        return;
+      var t2 = +/* @__PURE__ */ new Date();
+      var p2 = downPointer.pointerLocGetter(d3_event);
+      var dist = geoVecLength(downPointer.downLoc, p2);
+      if (dist < _closeTolerance || dist < _tolerance && t2 - downPointer.downTime < 500) {
+        select_default2(window).on("click.draw-block", function() {
+          d3_event.stopPropagation();
+        }, true);
+        context.map().dblclickZoomEnable(false);
+        window.setTimeout(function() {
+          context.map().dblclickZoomEnable(true);
+          select_default2(window).on("click.draw-block", null);
+        }, 500);
+        click(d3_event, p2);
+      }
+    }
+    function pointermove(d3_event) {
+      if (_downPointer && _downPointer.id === (d3_event.pointerId || "mouse") && !_downPointer.isCancelled) {
+        var p2 = _downPointer.pointerLocGetter(d3_event);
+        var dist = geoVecLength(_downPointer.downLoc, p2);
+        if (dist >= _closeTolerance) {
+          _downPointer.isCancelled = true;
+          dispatch10.call("downcancel", this);
+        }
+      }
+      if (d3_event.pointerType && d3_event.pointerType !== "mouse" || d3_event.buttons || _downPointer)
+        return;
+      if (_lastPointerUpEvent && _lastPointerUpEvent.pointerType !== "mouse" && d3_event.timeStamp - _lastPointerUpEvent.timeStamp < 100)
+        return;
+      _lastMouse = d3_event;
+      dispatch10.call("move", this, d3_event, datum2(d3_event));
+    }
+    function pointercancel(d3_event) {
+      if (_downPointer && _downPointer.id === (d3_event.pointerId || "mouse")) {
+        if (!_downPointer.isCancelled) {
+          dispatch10.call("downcancel", this);
+        }
+        _downPointer = null;
+      }
+    }
+    function mouseenter() {
+      _mouseLeave = false;
+    }
+    function mouseleave() {
+      _mouseLeave = true;
+    }
+    function allowsVertex(d) {
+      return d.geometry(context.graph()) === "vertex" || _mainPresetIndex.allowsVertex(d, context.graph());
+    }
+    function click(d3_event, loc) {
+      var d = datum2(d3_event);
+      var target = d && d.properties && d.properties.entity;
+      var mode = context.mode();
+      if (target && target.type === "node" && allowsVertex(target)) {
+        dispatch10.call("clickNode", this, target, d);
+        return;
+      } else if (target && target.type === "way" && (mode.id !== "add-point" || mode.preset.matchGeometry("vertex"))) {
+        var choice = geoChooseEdge(
+          context.graph().childNodes(target),
+          loc,
+          context.projection,
+          context.activeID()
+        );
+        if (choice) {
+          var edge = [target.nodes[choice.index - 1], target.nodes[choice.index]];
+          dispatch10.call("clickWay", this, choice.loc, edge, d);
+          return;
+        }
+      } else if (mode.id !== "add-point" || mode.preset.matchGeometry("point")) {
+        var locLatLng = context.projection.invert(loc);
+        dispatch10.call("click", this, locLatLng, d);
+      }
+    }
+    function space(d3_event) {
+      d3_event.preventDefault();
+      d3_event.stopPropagation();
+      var currSpace = context.map().mouse();
+      if (_disableSpace && _lastSpace) {
+        var dist = geoVecLength(_lastSpace, currSpace);
+        if (dist > _tolerance) {
+          _disableSpace = false;
+        }
+      }
+      if (_disableSpace || _mouseLeave || !_lastMouse)
+        return;
+      _lastSpace = currSpace;
+      _disableSpace = true;
+      select_default2(window).on("keyup.space-block", function() {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        _disableSpace = false;
+        select_default2(window).on("keyup.space-block", null);
+      });
+      var loc = context.map().mouse() || // or the map center if the mouse has never entered the map
+      context.projection(context.map().center());
+      click(d3_event, loc);
+    }
+    function backspace(d3_event) {
+      d3_event.preventDefault();
+      dispatch10.call("undo");
+    }
+    function del(d3_event) {
+      d3_event.preventDefault();
+      dispatch10.call("cancel");
+    }
+    function ret(d3_event) {
+      d3_event.preventDefault();
+      dispatch10.call("finish");
+    }
+    function behavior(selection2) {
+      context.install(_hover);
+      context.install(_edit);
+      _downPointer = null;
+      keybinding.on("\u232B", backspace).on("\u2326", del).on("\u238B", ret).on("\u21A9", ret).on("space", space).on("\u2325space", space);
+      selection2.on("mouseenter.draw", mouseenter).on("mouseleave.draw", mouseleave).on(_pointerPrefix + "down.draw", pointerdown).on(_pointerPrefix + "move.draw", pointermove);
+      select_default2(window).on(_pointerPrefix + "up.draw", pointerup, true).on("pointercancel.draw", pointercancel, true);
+      select_default2(document).call(keybinding);
+      return behavior;
+    }
+    behavior.off = function(selection2) {
+      context.ui().sidebar.hover.cancel();
+      context.uninstall(_hover);
+      context.uninstall(_edit);
+      selection2.on("mouseenter.draw", null).on("mouseleave.draw", null).on(_pointerPrefix + "down.draw", null).on(_pointerPrefix + "move.draw", null);
+      select_default2(window).on(_pointerPrefix + "up.draw", null).on("pointercancel.draw", null);
+      select_default2(document).call(keybinding.unbind);
+    };
+    behavior.hover = function() {
+      return _hover;
+    };
+    return utilRebind(behavior, dispatch10, "on");
+  }
+
+  // modules/behavior/breathe.js
+  var import_fast_deep_equal2 = __toESM(require_fast_deep_equal());
+
+  // node_modules/d3-scale/src/init.js
+  function initRange(domain2, range3) {
+    switch (arguments.length) {
+      case 0:
+        break;
+      case 1:
+        this.range(domain2);
+        break;
+      default:
+        this.range(range3).domain(domain2);
+        break;
+    }
+    return this;
+  }
+
+  // node_modules/d3-scale/src/constant.js
+  function constants(x) {
+    return function() {
+      return x;
+    };
+  }
+
+  // node_modules/d3-scale/src/number.js
+  function number2(x) {
+    return +x;
+  }
+
+  // node_modules/d3-scale/src/continuous.js
+  var unit = [0, 1];
+  function identity3(x) {
+    return x;
+  }
+  function normalize(a, b) {
+    return (b -= a = +a) ? function(x) {
+      return (x - a) / b;
+    } : constants(isNaN(b) ? NaN : 0.5);
+  }
+  function clamper(a, b) {
+    var t;
+    if (a > b)
+      t = a, a = b, b = t;
+    return function(x) {
+      return Math.max(a, Math.min(b, x));
+    };
+  }
+  function bimap(domain2, range3, interpolate) {
+    var d0 = domain2[0], d1 = domain2[1], r0 = range3[0], r1 = range3[1];
+    if (d1 < d0)
+      d0 = normalize(d1, d0), r0 = interpolate(r1, r0);
+    else
+      d0 = normalize(d0, d1), r0 = interpolate(r0, r1);
+    return function(x) {
+      return r0(d0(x));
+    };
+  }
+  function polymap(domain2, range3, interpolate) {
+    var j2 = Math.min(domain2.length, range3.length) - 1, d = new Array(j2), r = new Array(j2), i2 = -1;
+    if (domain2[j2] < domain2[0]) {
+      domain2 = domain2.slice().reverse();
+      range3 = range3.slice().reverse();
+    }
+    while (++i2 < j2) {
+      d[i2] = normalize(domain2[i2], domain2[i2 + 1]);
+      r[i2] = interpolate(range3[i2], range3[i2 + 1]);
+    }
+    return function(x) {
+      var i3 = bisect_default(domain2, x, 1, j2) - 1;
+      return r[i3](d[i3](x));
+    };
+  }
+  function copy(source, target) {
+    return target.domain(source.domain()).range(source.range()).interpolate(source.interpolate()).clamp(source.clamp()).unknown(source.unknown());
+  }
+  function transformer2() {
+    var domain2 = unit, range3 = unit, interpolate = value_default, transform2, untransform, unknown, clamp3 = identity3, piecewise, output, input;
+    function rescale() {
+      var n2 = Math.min(domain2.length, range3.length);
+      if (clamp3 !== identity3)
+        clamp3 = clamper(domain2[0], domain2[n2 - 1]);
+      piecewise = n2 > 2 ? polymap : bimap;
+      output = input = null;
+      return scale;
+    }
+    function scale(x) {
+      return x == null || isNaN(x = +x) ? unknown : (output || (output = piecewise(domain2.map(transform2), range3, interpolate)))(transform2(clamp3(x)));
+    }
+    scale.invert = function(y) {
+      return clamp3(untransform((input || (input = piecewise(range3, domain2.map(transform2), number_default)))(y)));
+    };
+    scale.domain = function(_) {
+      return arguments.length ? (domain2 = Array.from(_, number2), rescale()) : domain2.slice();
+    };
+    scale.range = function(_) {
+      return arguments.length ? (range3 = Array.from(_), rescale()) : range3.slice();
+    };
+    scale.rangeRound = function(_) {
+      return range3 = Array.from(_), interpolate = round_default, rescale();
+    };
+    scale.clamp = function(_) {
+      return arguments.length ? (clamp3 = _ ? true : identity3, rescale()) : clamp3 !== identity3;
+    };
+    scale.interpolate = function(_) {
+      return arguments.length ? (interpolate = _, rescale()) : interpolate;
+    };
+    scale.unknown = function(_) {
+      return arguments.length ? (unknown = _, scale) : unknown;
+    };
+    return function(t, u) {
+      transform2 = t, untransform = u;
+      return rescale();
+    };
+  }
+  function continuous() {
+    return transformer2()(identity3, identity3);
+  }
+
+  // node_modules/d3-format/src/formatDecimal.js
+  function formatDecimal_default(x) {
+    return Math.abs(x = Math.round(x)) >= 1e21 ? x.toLocaleString("en").replace(/,/g, "") : x.toString(10);
+  }
+  function formatDecimalParts(x, p) {
+    if ((i2 = (x = p ? x.toExponential(p - 1) : x.toExponential()).indexOf("e")) < 0)
+      return null;
+    var i2, coefficient = x.slice(0, i2);
+    return [
+      coefficient.length > 1 ? coefficient[0] + coefficient.slice(2) : coefficient,
+      +x.slice(i2 + 1)
+    ];
+  }
+
+  // node_modules/d3-format/src/exponent.js
+  function exponent_default(x) {
+    return x = formatDecimalParts(Math.abs(x)), x ? x[1] : NaN;
+  }
+
+  // node_modules/d3-format/src/formatGroup.js
+  function formatGroup_default(grouping, thousands) {
+    return function(value, width) {
+      var i2 = value.length, t = [], j2 = 0, g = grouping[0], length = 0;
+      while (i2 > 0 && g > 0) {
+        if (length + g + 1 > width)
+          g = Math.max(1, width - length);
+        t.push(value.substring(i2 -= g, i2 + g));
+        if ((length += g + 1) > width)
+          break;
+        g = grouping[j2 = (j2 + 1) % grouping.length];
+      }
+      return t.reverse().join(thousands);
+    };
+  }
+
+  // node_modules/d3-format/src/formatNumerals.js
+  function formatNumerals_default(numerals) {
+    return function(value) {
+      return value.replace(/[0-9]/g, function(i2) {
+        return numerals[+i2];
+      });
+    };
+  }
+
+  // node_modules/d3-format/src/formatSpecifier.js
+  var re = /^(?:(.)?([<>=^]))?([+\-( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?(~)?([a-z%])?$/i;
+  function formatSpecifier(specifier) {
+    if (!(match = re.exec(specifier)))
+      throw new Error("invalid format: " + specifier);
+    var match;
+    return new FormatSpecifier({
+      fill: match[1],
+      align: match[2],
+      sign: match[3],
+      symbol: match[4],
+      zero: match[5],
+      width: match[6],
+      comma: match[7],
+      precision: match[8] && match[8].slice(1),
+      trim: match[9],
+      type: match[10]
+    });
+  }
+  formatSpecifier.prototype = FormatSpecifier.prototype;
+  function FormatSpecifier(specifier) {
+    this.fill = specifier.fill === void 0 ? " " : specifier.fill + "";
+    this.align = specifier.align === void 0 ? ">" : specifier.align + "";
+    this.sign = specifier.sign === void 0 ? "-" : specifier.sign + "";
+    this.symbol = specifier.symbol === void 0 ? "" : specifier.symbol + "";
+    this.zero = !!specifier.zero;
+    this.width = specifier.width === void 0 ? void 0 : +specifier.width;
+    this.comma = !!specifier.comma;
+    this.precision = specifier.precision === void 0 ? void 0 : +specifier.precision;
+    this.trim = !!specifier.trim;
+    this.type = specifier.type === void 0 ? "" : specifier.type + "";
+  }
+  FormatSpecifier.prototype.toString = function() {
+    return this.fill + this.align + this.sign + this.symbol + (this.zero ? "0" : "") + (this.width === void 0 ? "" : Math.max(1, this.width | 0)) + (this.comma ? "," : "") + (this.precision === void 0 ? "" : "." + Math.max(0, this.precision | 0)) + (this.trim ? "~" : "") + this.type;
+  };
+
+  // node_modules/d3-format/src/formatTrim.js
+  function formatTrim_default(s) {
+    out:
+      for (var n2 = s.length, i2 = 1, i0 = -1, i1; i2 < n2; ++i2) {
+        switch (s[i2]) {
+          case ".":
+            i0 = i1 = i2;
+            break;
+          case "0":
+            if (i0 === 0)
+              i0 = i2;
+            i1 = i2;
+            break;
+          default:
+            if (!+s[i2])
+              break out;
+            if (i0 > 0)
+              i0 = 0;
+            break;
+        }
+      }
+    return i0 > 0 ? s.slice(0, i0) + s.slice(i1 + 1) : s;
+  }
+
+  // node_modules/d3-format/src/formatPrefixAuto.js
+  var prefixExponent;
+  function formatPrefixAuto_default(x, p) {
+    var d = formatDecimalParts(x, p);
+    if (!d)
+      return x + "";
+    var coefficient = d[0], exponent = d[1], i2 = exponent - (prefixExponent = Math.max(-8, Math.min(8, Math.floor(exponent / 3))) * 3) + 1, n2 = coefficient.length;
+    return i2 === n2 ? coefficient : i2 > n2 ? coefficient + new Array(i2 - n2 + 1).join("0") : i2 > 0 ? coefficient.slice(0, i2) + "." + coefficient.slice(i2) : "0." + new Array(1 - i2).join("0") + formatDecimalParts(x, Math.max(0, p + i2 - 1))[0];
+  }
+
+  // node_modules/d3-format/src/formatRounded.js
+  function formatRounded_default(x, p) {
+    var d = formatDecimalParts(x, p);
+    if (!d)
+      return x + "";
+    var coefficient = d[0], exponent = d[1];
+    return exponent < 0 ? "0." + new Array(-exponent).join("0") + coefficient : coefficient.length > exponent + 1 ? coefficient.slice(0, exponent + 1) + "." + coefficient.slice(exponent + 1) : coefficient + new Array(exponent - coefficient.length + 2).join("0");
+  }
+
+  // node_modules/d3-format/src/formatTypes.js
+  var formatTypes_default = {
+    "%": (x, p) => (x * 100).toFixed(p),
+    "b": (x) => Math.round(x).toString(2),
+    "c": (x) => x + "",
+    "d": formatDecimal_default,
+    "e": (x, p) => x.toExponential(p),
+    "f": (x, p) => x.toFixed(p),
+    "g": (x, p) => x.toPrecision(p),
+    "o": (x) => Math.round(x).toString(8),
+    "p": (x, p) => formatRounded_default(x * 100, p),
+    "r": formatRounded_default,
+    "s": formatPrefixAuto_default,
+    "X": (x) => Math.round(x).toString(16).toUpperCase(),
+    "x": (x) => Math.round(x).toString(16)
+  };
+
+  // node_modules/d3-format/src/identity.js
+  function identity_default3(x) {
+    return x;
+  }
+
+  // node_modules/d3-format/src/locale.js
+  var map = Array.prototype.map;
+  var prefixes = ["y", "z", "a", "f", "p", "n", "\xB5", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y"];
+  function locale_default(locale2) {
+    var group = locale2.grouping === void 0 || locale2.thousands === void 0 ? identity_default3 : formatGroup_default(map.call(locale2.grouping, Number), locale2.thousands + ""), currencyPrefix = locale2.currency === void 0 ? "" : locale2.currency[0] + "", currencySuffix = locale2.currency === void 0 ? "" : locale2.currency[1] + "", decimal = locale2.decimal === void 0 ? "." : locale2.decimal + "", numerals = locale2.numerals === void 0 ? identity_default3 : formatNumerals_default(map.call(locale2.numerals, String)), percent = locale2.percent === void 0 ? "%" : locale2.percent + "", minus = locale2.minus === void 0 ? "\u2212" : locale2.minus + "", nan = locale2.nan === void 0 ? "NaN" : locale2.nan + "";
+    function newFormat(specifier) {
+      specifier = formatSpecifier(specifier);
+      var fill = specifier.fill, align = specifier.align, sign2 = specifier.sign, symbol = specifier.symbol, zero3 = specifier.zero, width = specifier.width, comma = specifier.comma, precision2 = specifier.precision, trim = specifier.trim, type2 = specifier.type;
+      if (type2 === "n")
+        comma = true, type2 = "g";
+      else if (!formatTypes_default[type2])
+        precision2 === void 0 && (precision2 = 12), trim = true, type2 = "g";
+      if (zero3 || fill === "0" && align === "=")
+        zero3 = true, fill = "0", align = "=";
+      var prefix = symbol === "$" ? currencyPrefix : symbol === "#" && /[boxX]/.test(type2) ? "0" + type2.toLowerCase() : "", suffix = symbol === "$" ? currencySuffix : /[%p]/.test(type2) ? percent : "";
+      var formatType = formatTypes_default[type2], maybeSuffix = /[defgprs%]/.test(type2);
+      precision2 = precision2 === void 0 ? 6 : /[gprs]/.test(type2) ? Math.max(1, Math.min(21, precision2)) : Math.max(0, Math.min(20, precision2));
+      function format2(value) {
+        var valuePrefix = prefix, valueSuffix = suffix, i2, n2, c;
+        if (type2 === "c") {
+          valueSuffix = formatType(value) + valueSuffix;
+          value = "";
+        } else {
+          value = +value;
+          var valueNegative = value < 0 || 1 / value < 0;
+          value = isNaN(value) ? nan : formatType(Math.abs(value), precision2);
+          if (trim)
+            value = formatTrim_default(value);
+          if (valueNegative && +value === 0 && sign2 !== "+")
+            valueNegative = false;
+          valuePrefix = (valueNegative ? sign2 === "(" ? sign2 : minus : sign2 === "-" || sign2 === "(" ? "" : sign2) + valuePrefix;
+          valueSuffix = (type2 === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign2 === "(" ? ")" : "");
+          if (maybeSuffix) {
+            i2 = -1, n2 = value.length;
+            while (++i2 < n2) {
+              if (c = value.charCodeAt(i2), 48 > c || c > 57) {
+                valueSuffix = (c === 46 ? decimal + value.slice(i2 + 1) : value.slice(i2)) + valueSuffix;
+                value = value.slice(0, i2);
+                break;
+              }
+            }
+          }
+        }
+        if (comma && !zero3)
+          value = group(value, Infinity);
+        var length = valuePrefix.length + value.length + valueSuffix.length, padding = length < width ? new Array(width - length + 1).join(fill) : "";
+        if (comma && zero3)
+          value = group(padding + value, padding.length ? width - valueSuffix.length : Infinity), padding = "";
+        switch (align) {
+          case "<":
+            value = valuePrefix + value + valueSuffix + padding;
+            break;
+          case "=":
+            value = valuePrefix + padding + value + valueSuffix;
+            break;
+          case "^":
+            value = padding.slice(0, length = padding.length >> 1) + valuePrefix + value + valueSuffix + padding.slice(length);
+            break;
+          default:
+            value = padding + valuePrefix + value + valueSuffix;
+            break;
+        }
+        return numerals(value);
+      }
+      format2.toString = function() {
+        return specifier + "";
+      };
+      return format2;
+    }
+    function formatPrefix2(specifier, value) {
+      var f2 = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)), e = Math.max(-8, Math.min(8, Math.floor(exponent_default(value) / 3))) * 3, k = Math.pow(10, -e), prefix = prefixes[8 + e / 3];
+      return function(value2) {
+        return f2(k * value2) + prefix;
+      };
+    }
+    return {
+      format: newFormat,
+      formatPrefix: formatPrefix2
+    };
+  }
+
+  // node_modules/d3-format/src/defaultLocale.js
+  var locale;
+  var format;
+  var formatPrefix;
+  defaultLocale({
+    thousands: ",",
+    grouping: [3],
+    currency: ["$", ""]
+  });
+  function defaultLocale(definition) {
+    locale = locale_default(definition);
+    format = locale.format;
+    formatPrefix = locale.formatPrefix;
+    return locale;
+  }
+
+  // node_modules/d3-format/src/precisionFixed.js
+  function precisionFixed_default(step) {
+    return Math.max(0, -exponent_default(Math.abs(step)));
+  }
+
+  // node_modules/d3-format/src/precisionPrefix.js
+  function precisionPrefix_default(step, value) {
+    return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent_default(value) / 3))) * 3 - exponent_default(Math.abs(step)));
+  }
+
+  // node_modules/d3-format/src/precisionRound.js
+  function precisionRound_default(step, max3) {
+    step = Math.abs(step), max3 = Math.abs(max3) - step;
+    return Math.max(0, exponent_default(max3) - exponent_default(step)) + 1;
+  }
+
+  // node_modules/d3-scale/src/tickFormat.js
+  function tickFormat(start2, stop, count, specifier) {
+    var step = tickStep(start2, stop, count), precision2;
+    specifier = formatSpecifier(specifier == null ? ",f" : specifier);
+    switch (specifier.type) {
+      case "s": {
+        var value = Math.max(Math.abs(start2), Math.abs(stop));
+        if (specifier.precision == null && !isNaN(precision2 = precisionPrefix_default(step, value)))
+          specifier.precision = precision2;
+        return formatPrefix(specifier, value);
+      }
+      case "":
+      case "e":
+      case "g":
+      case "p":
+      case "r": {
+        if (specifier.precision == null && !isNaN(precision2 = precisionRound_default(step, Math.max(Math.abs(start2), Math.abs(stop)))))
+          specifier.precision = precision2 - (specifier.type === "e");
+        break;
+      }
+      case "f":
+      case "%": {
+        if (specifier.precision == null && !isNaN(precision2 = precisionFixed_default(step)))
+          specifier.precision = precision2 - (specifier.type === "%") * 2;
+        break;
+      }
+    }
+    return format(specifier);
+  }
+
+  // node_modules/d3-scale/src/linear.js
+  function linearish(scale) {
+    var domain2 = scale.domain;
+    scale.ticks = function(count) {
+      var d = domain2();
+      return ticks(d[0], d[d.length - 1], count == null ? 10 : count);
+    };
+    scale.tickFormat = function(count, specifier) {
+      var d = domain2();
+      return tickFormat(d[0], d[d.length - 1], count == null ? 10 : count, specifier);
+    };
+    scale.nice = function(count) {
+      if (count == null)
+        count = 10;
+      var d = domain2();
+      var i0 = 0;
+      var i1 = d.length - 1;
+      var start2 = d[i0];
+      var stop = d[i1];
+      var prestep;
+      var step;
+      var maxIter = 10;
+      if (stop < start2) {
+        step = start2, start2 = stop, stop = step;
+        step = i0, i0 = i1, i1 = step;
+      }
+      while (maxIter-- > 0) {
+        step = tickIncrement(start2, stop, count);
+        if (step === prestep) {
+          d[i0] = start2;
+          d[i1] = stop;
+          return domain2(d);
+        } else if (step > 0) {
+          start2 = Math.floor(start2 / step) * step;
+          stop = Math.ceil(stop / step) * step;
+        } else if (step < 0) {
+          start2 = Math.ceil(start2 * step) / step;
+          stop = Math.floor(stop * step) / step;
+        } else {
+          break;
+        }
+        prestep = step;
+      }
+      return scale;
+    };
+    return scale;
+  }
+  function linear3() {
+    var scale = continuous();
+    scale.copy = function() {
+      return copy(scale, linear3());
+    };
+    initRange.apply(scale, arguments);
+    return linearish(scale);
+  }
+
+  // node_modules/d3-scale/src/quantize.js
+  function quantize() {
+    var x05 = 0, x12 = 1, n2 = 1, domain2 = [0.5], range3 = [0, 1], unknown;
+    function scale(x) {
+      return x != null && x <= x ? range3[bisect_default(domain2, x, 0, n2)] : unknown;
+    }
+    function rescale() {
+      var i2 = -1;
+      domain2 = new Array(n2);
+      while (++i2 < n2)
+        domain2[i2] = ((i2 + 1) * x12 - (i2 - n2) * x05) / (n2 + 1);
+      return scale;
+    }
+    scale.domain = function(_) {
+      return arguments.length ? ([x05, x12] = _, x05 = +x05, x12 = +x12, rescale()) : [x05, x12];
+    };
+    scale.range = function(_) {
+      return arguments.length ? (n2 = (range3 = Array.from(_)).length - 1, rescale()) : range3.slice();
+    };
+    scale.invertExtent = function(y) {
+      var i2 = range3.indexOf(y);
+      return i2 < 0 ? [NaN, NaN] : i2 < 1 ? [x05, domain2[0]] : i2 >= n2 ? [domain2[n2 - 1], x12] : [domain2[i2 - 1], domain2[i2]];
+    };
+    scale.unknown = function(_) {
+      return arguments.length ? (unknown = _, scale) : scale;
+    };
+    scale.thresholds = function() {
+      return domain2.slice();
+    };
+    scale.copy = function() {
+      return quantize().domain([x05, x12]).range(range3).unknown(unknown);
+    };
+    return initRange.apply(linearish(scale), arguments);
+  }
+
+  // modules/behavior/breathe.js
+  function behaviorBreathe() {
+    var duration = 800;
+    var steps = 4;
+    var selector = ".selected.shadow, .selected .shadow";
+    var _selected = select_default2(null);
+    var _classed = "";
+    var _params = {};
+    var _done = false;
+    var _timer;
+    function ratchetyInterpolator(a, b, steps2, units) {
+      a = Number(a);
+      b = Number(b);
+      var sample = quantize().domain([0, 1]).range(quantize_default(number_default(a, b), steps2));
+      return function(t) {
+        return String(sample(t)) + (units || "");
+      };
+    }
+    function reset(selection2) {
+      selection2.style("stroke-opacity", null).style("stroke-width", null).style("fill-opacity", null).style("r", null);
+    }
+    function setAnimationParams(transition2, fromTo) {
+      var toFrom = fromTo === "from" ? "to" : "from";
+      transition2.styleTween("stroke-opacity", function(d) {
+        return ratchetyInterpolator(
+          _params[d.id][toFrom].opacity,
+          _params[d.id][fromTo].opacity,
+          steps
+        );
+      }).styleTween("stroke-width", function(d) {
+        return ratchetyInterpolator(
+          _params[d.id][toFrom].width,
+          _params[d.id][fromTo].width,
+          steps,
+          "px"
+        );
+      }).styleTween("fill-opacity", function(d) {
+        return ratchetyInterpolator(
+          _params[d.id][toFrom].opacity,
+          _params[d.id][fromTo].opacity,
+          steps
+        );
+      }).styleTween("r", function(d) {
+        return ratchetyInterpolator(
+          _params[d.id][toFrom].width,
+          _params[d.id][fromTo].width,
+          steps,
+          "px"
+        );
+      });
+    }
+    function calcAnimationParams(selection2) {
+      selection2.call(reset).each(function(d) {
+        var s = select_default2(this);
+        var tag = s.node().tagName;
+        var p = { "from": {}, "to": {} };
+        var opacity;
+        var width;
+        if (tag === "circle") {
+          opacity = Number(s.style("fill-opacity") || 0.5);
+          width = Number(s.style("r") || 15.5);
+        } else {
+          opacity = Number(s.style("stroke-opacity") || 0.7);
+          width = Number(s.style("stroke-width") || 10);
+        }
+        p.tag = tag;
+        p.from.opacity = opacity * 0.6;
+        p.to.opacity = opacity * 1.25;
+        p.from.width = width * 0.7;
+        p.to.width = width * (tag === "circle" ? 1.5 : 1);
+        _params[d.id] = p;
+      });
+    }
+    function run(surface, fromTo) {
+      var toFrom = fromTo === "from" ? "to" : "from";
+      var currSelected = surface.selectAll(selector);
+      var currClassed = surface.attr("class");
+      if (_done || currSelected.empty()) {
+        _selected.call(reset);
+        _selected = select_default2(null);
+        return;
+      }
+      if (!(0, import_fast_deep_equal2.default)(currSelected.data(), _selected.data()) || currClassed !== _classed) {
+        _selected.call(reset);
+        _classed = currClassed;
+        _selected = currSelected.call(calcAnimationParams);
+      }
+      var didCallNextRun = false;
+      _selected.transition().duration(duration).call(setAnimationParams, fromTo).on("end", function() {
+        if (!didCallNextRun) {
+          surface.call(run, toFrom);
+          didCallNextRun = true;
+        }
+        if (!select_default2(this).classed("selected")) {
+          reset(select_default2(this));
+        }
+      });
+    }
+    function behavior(surface) {
+      _done = false;
+      _timer = timer(function() {
+        if (surface.selectAll(selector).empty()) {
+          return false;
+        }
+        surface.call(run, "from");
+        _timer.stop();
+        return true;
+      }, 20);
+    }
+    behavior.restartIfNeeded = function(surface) {
+      if (_selected.empty()) {
+        surface.call(run, "from");
+        if (_timer) {
+          _timer.stop();
+        }
+      }
+    };
+    behavior.off = function() {
+      _done = true;
+      if (_timer) {
+        _timer.stop();
+      }
+      _selected.interrupt().call(reset);
+    };
+    return behavior;
+  }
+
+  // modules/behavior/operation.js
+  function behaviorOperation(context) {
+    var _operation;
+    function keypress(d3_event) {
+      if (!context.map().withinEditableZoom())
+        return;
+      if (_operation.availableForKeypress && !_operation.availableForKeypress())
+        return;
+      d3_event.preventDefault();
+      var disabled = _operation.disabled();
+      if (disabled) {
+        context.ui().flash.duration(4e3).iconName("#iD-operation-" + _operation.id).iconClass("operation disabled").label(_operation.tooltip())();
+      } else {
+        context.ui().flash.duration(2e3).iconName("#iD-operation-" + _operation.id).iconClass("operation").label(_operation.annotation() || _operation.title)();
+        if (_operation.point)
+          _operation.point(null);
+        _operation();
+      }
+    }
+    function behavior() {
+      if (_operation && _operation.available()) {
+        context.keybinding().on(_operation.keys, keypress);
+      }
+      return behavior;
+    }
+    behavior.off = function() {
+      context.keybinding().off(_operation.keys);
+    };
+    behavior.which = function(_) {
+      if (!arguments.length)
+        return _operation;
+      _operation = _;
+      return behavior;
+    };
+    return behavior;
+  }
+
+  // modules/operations/circularize.js
+  function operationCircularize(context, selectedIDs) {
+    var _extent;
+    var _actions = selectedIDs.map(getAction).filter(Boolean);
+    var _amount = _actions.length === 1 ? "single" : "multiple";
+    var _coords = utilGetAllNodes(selectedIDs, context.graph()).map(function(n2) {
+      return n2.loc;
+    });
+    function getAction(entityID) {
+      var entity = context.entity(entityID);
+      if (entity.type !== "way" || new Set(entity.nodes).size <= 1)
+        return null;
+      if (!_extent) {
+        _extent = entity.extent(context.graph());
+      } else {
+        _extent = _extent.extend(entity.extent(context.graph()));
+      }
+      return actionCircularize(entityID, context.projection);
+    }
+    var operation = function() {
+      if (!_actions.length)
+        return;
+      var combinedAction = function(graph, t) {
+        _actions.forEach(function(action) {
+          if (!action.disabled(graph)) {
+            graph = action(graph, t);
+          }
+        });
+        return graph;
+      };
+      combinedAction.transitionable = true;
+      context.perform(combinedAction, operation.annotation());
+      window.setTimeout(function() {
+        context.validator().validate();
+      }, 300);
+    };
+    operation.available = function() {
+      return _actions.length && selectedIDs.length === _actions.length;
+    };
+    operation.disabled = function() {
+      if (!_actions.length)
+        return "";
+      var actionDisableds = _actions.map(function(action) {
+        return action.disabled(context.graph());
+      }).filter(Boolean);
+      if (actionDisableds.length === _actions.length) {
+        if (new Set(actionDisableds).size > 1) {
+          return "multiple_blockers";
+        }
+        return actionDisableds[0];
+      } else if (_extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      } else if (someMissing()) {
+        return "not_downloaded";
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      }
+      return false;
+      function someMissing() {
+        if (context.inIntro())
+          return false;
+        var osm = context.connection();
+        if (osm) {
+          var missing = _coords.filter(function(loc) {
+            return !osm.isDataLoaded(loc);
+          });
+          if (missing.length) {
+            missing.forEach(function(loc) {
+              context.loadTileAtLoc(loc);
+            });
+            return true;
+          }
+        }
+        return false;
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.circularize." + disable + "." + _amount) : _t.append("operations.circularize.description." + _amount);
+    };
+    operation.annotation = function() {
+      return _t("operations.circularize.annotation.feature", { n: _actions.length });
+    };
+    operation.id = "circularize";
+    operation.keys = [_t("operations.circularize.key")];
+    operation.title = _t.append("operations.circularize.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/ui/cmd.js
+  var uiCmd = function(code) {
+    var detected = utilDetect();
+    if (detected.os === "mac") {
+      return code;
+    }
+    if (detected.os === "win") {
+      if (code === "\u2318\u21E7Z")
+        return "Ctrl+Y";
+    }
+    var result = "", replacements = {
+      "\u2318": "Ctrl",
+      "\u21E7": "Shift",
+      "\u2325": "Alt",
+      "\u232B": "Backspace",
+      "\u2326": "Delete"
+    };
+    for (var i2 = 0; i2 < code.length; i2++) {
+      if (code[i2] in replacements) {
+        result += replacements[code[i2]] + (i2 < code.length - 1 ? "+" : "");
+      } else {
+        result += code[i2];
+      }
+    }
+    return result;
+  };
+  uiCmd.display = function(code) {
+    if (code.length !== 1)
+      return code;
+    var detected = utilDetect();
+    var mac = detected.os === "mac";
+    var replacements = {
+      "\u2318": mac ? "\u2318 " + _t("shortcuts.key.cmd") : _t("shortcuts.key.ctrl"),
+      "\u21E7": mac ? "\u21E7 " + _t("shortcuts.key.shift") : _t("shortcuts.key.shift"),
+      "\u2325": mac ? "\u2325 " + _t("shortcuts.key.option") : _t("shortcuts.key.alt"),
+      "\u2303": mac ? "\u2303 " + _t("shortcuts.key.ctrl") : _t("shortcuts.key.ctrl"),
+      "\u232B": mac ? "\u232B " + _t("shortcuts.key.delete") : _t("shortcuts.key.backspace"),
+      "\u2326": mac ? "\u2326 " + _t("shortcuts.key.del") : _t("shortcuts.key.del"),
+      "\u2196": mac ? "\u2196 " + _t("shortcuts.key.pgup") : _t("shortcuts.key.pgup"),
+      "\u2198": mac ? "\u2198 " + _t("shortcuts.key.pgdn") : _t("shortcuts.key.pgdn"),
+      "\u21DE": mac ? "\u21DE " + _t("shortcuts.key.home") : _t("shortcuts.key.home"),
+      "\u21DF": mac ? "\u21DF " + _t("shortcuts.key.end") : _t("shortcuts.key.end"),
+      "\u21B5": mac ? "\u23CE " + _t("shortcuts.key.return") : _t("shortcuts.key.enter"),
+      "\u238B": mac ? "\u238B " + _t("shortcuts.key.esc") : _t("shortcuts.key.esc"),
+      "\u2630": mac ? "\u2630 " + _t("shortcuts.key.menu") : _t("shortcuts.key.menu")
+    };
+    return replacements[code] || code;
+  };
+
+  // modules/operations/delete.js
+  function operationDelete(context, selectedIDs) {
+    var multi = selectedIDs.length === 1 ? "single" : "multiple";
+    var action = actionDeleteMultiple(selectedIDs);
+    var nodes = utilGetAllNodes(selectedIDs, context.graph());
+    var coords = nodes.map(function(n2) {
+      return n2.loc;
+    });
+    var extent = utilTotalExtent(selectedIDs, context.graph());
+    var operation = function() {
+      var nextSelectedID;
+      var nextSelectedLoc;
+      if (selectedIDs.length === 1) {
+        var id2 = selectedIDs[0];
+        var entity = context.entity(id2);
+        var geometry = entity.geometry(context.graph());
+        var parents = context.graph().parentWays(entity);
+        var parent = parents[0];
+        if (geometry === "vertex") {
+          var nodes2 = parent.nodes;
+          var i2 = nodes2.indexOf(id2);
+          if (i2 === 0) {
+            i2++;
+          } else if (i2 === nodes2.length - 1) {
+            i2--;
+          } else {
+            var a = geoSphericalDistance(entity.loc, context.entity(nodes2[i2 - 1]).loc);
+            var b = geoSphericalDistance(entity.loc, context.entity(nodes2[i2 + 1]).loc);
+            i2 = a < b ? i2 - 1 : i2 + 1;
+          }
+          nextSelectedID = nodes2[i2];
+          nextSelectedLoc = context.entity(nextSelectedID).loc;
+        }
+      }
+      context.perform(action, operation.annotation());
+      context.validator().validate();
+      if (nextSelectedID && nextSelectedLoc) {
+        if (context.hasEntity(nextSelectedID)) {
+          context.enter(modeSelect(context, [nextSelectedID]).follow(true));
+        } else {
+          context.map().centerEase(nextSelectedLoc);
+          context.enter(modeBrowse(context));
+        }
+      } else {
+        context.enter(modeBrowse(context));
+      }
+    };
+    operation.available = function() {
+      return true;
+    };
+    operation.disabled = function() {
+      if (extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      } else if (someMissing()) {
+        return "not_downloaded";
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      } else if (selectedIDs.some(protectedMember)) {
+        return "part_of_relation";
+      } else if (selectedIDs.some(incompleteRelation)) {
+        return "incomplete_relation";
+      } else if (selectedIDs.some(hasWikidataTag)) {
+        return "has_wikidata_tag";
+      }
+      return false;
+      function someMissing() {
+        if (context.inIntro())
+          return false;
+        var osm = context.connection();
+        if (osm) {
+          var missing = coords.filter(function(loc) {
+            return !osm.isDataLoaded(loc);
+          });
+          if (missing.length) {
+            missing.forEach(function(loc) {
+              context.loadTileAtLoc(loc);
+            });
+            return true;
+          }
+        }
+        return false;
+      }
+      function hasWikidataTag(id2) {
+        var entity = context.entity(id2);
+        return entity.tags.wikidata && entity.tags.wikidata.trim().length > 0;
+      }
+      function incompleteRelation(id2) {
+        var entity = context.entity(id2);
+        return entity.type === "relation" && !entity.isComplete(context.graph());
+      }
+      function protectedMember(id2) {
+        var entity = context.entity(id2);
+        if (entity.type !== "way")
+          return false;
+        var parents = context.graph().parentRelations(entity);
+        for (var i2 = 0; i2 < parents.length; i2++) {
+          var parent = parents[i2];
+          var type2 = parent.tags.type;
+          var role = parent.memberById(id2).role || "outer";
+          if (type2 === "route" || type2 === "boundary" || type2 === "multipolygon" && role === "outer") {
+            return true;
+          }
+        }
+        return false;
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.delete." + disable + "." + multi) : _t.append("operations.delete.description." + multi);
+    };
+    operation.annotation = function() {
+      return selectedIDs.length === 1 ? _t("operations.delete.annotation." + context.graph().geometry(selectedIDs[0])) : _t("operations.delete.annotation.feature", { n: selectedIDs.length });
+    };
+    operation.id = "delete";
+    operation.keys = [uiCmd("\u2318\u232B"), uiCmd("\u2318\u2326"), uiCmd("\u2326")];
+    operation.title = _t.append("operations.delete.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/orthogonalize.js
+  function operationOrthogonalize(context, selectedIDs) {
+    var _extent;
+    var _type;
+    var _actions = selectedIDs.map(chooseAction).filter(Boolean);
+    var _amount = _actions.length === 1 ? "single" : "multiple";
+    var _coords = utilGetAllNodes(selectedIDs, context.graph()).map(function(n2) {
+      return n2.loc;
+    });
+    function chooseAction(entityID) {
+      var entity = context.entity(entityID);
+      var geometry = entity.geometry(context.graph());
+      if (!_extent) {
+        _extent = entity.extent(context.graph());
+      } else {
+        _extent = _extent.extend(entity.extent(context.graph()));
+      }
+      if (entity.type === "way" && new Set(entity.nodes).size > 2) {
+        if (_type && _type !== "feature")
+          return null;
+        _type = "feature";
+        return actionOrthogonalize(entityID, context.projection);
+      } else if (geometry === "vertex") {
+        if (_type && _type !== "corner")
+          return null;
+        _type = "corner";
+        var graph = context.graph();
+        var parents = graph.parentWays(entity);
+        if (parents.length === 1) {
+          var way = parents[0];
+          if (way.nodes.indexOf(entityID) !== -1) {
+            return actionOrthogonalize(way.id, context.projection, entityID);
+          }
+        }
+      }
+      return null;
+    }
+    var operation = function() {
+      if (!_actions.length)
+        return;
+      var combinedAction = function(graph, t) {
+        _actions.forEach(function(action) {
+          if (!action.disabled(graph)) {
+            graph = action(graph, t);
+          }
+        });
+        return graph;
+      };
+      combinedAction.transitionable = true;
+      context.perform(combinedAction, operation.annotation());
+      window.setTimeout(function() {
+        context.validator().validate();
+      }, 300);
+    };
+    operation.available = function() {
+      return _actions.length && selectedIDs.length === _actions.length;
+    };
+    operation.disabled = function() {
+      if (!_actions.length)
+        return "";
+      var actionDisableds = _actions.map(function(action) {
+        return action.disabled(context.graph());
+      }).filter(Boolean);
+      if (actionDisableds.length === _actions.length) {
+        if (new Set(actionDisableds).size > 1) {
+          return "multiple_blockers";
+        }
+        return actionDisableds[0];
+      } else if (_extent && _extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      } else if (someMissing()) {
+        return "not_downloaded";
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      }
+      return false;
+      function someMissing() {
+        if (context.inIntro())
+          return false;
+        var osm = context.connection();
+        if (osm) {
+          var missing = _coords.filter(function(loc) {
+            return !osm.isDataLoaded(loc);
+          });
+          if (missing.length) {
+            missing.forEach(function(loc) {
+              context.loadTileAtLoc(loc);
+            });
+            return true;
+          }
+        }
+        return false;
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.orthogonalize." + disable + "." + _amount) : _t.append("operations.orthogonalize.description." + _type + "." + _amount);
+    };
+    operation.annotation = function() {
+      return _t("operations.orthogonalize.annotation." + _type, { n: _actions.length });
+    };
+    operation.id = "orthogonalize";
+    operation.keys = [_t("operations.orthogonalize.key")];
+    operation.title = _t.append("operations.orthogonalize.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/reflect.js
+  function operationReflectShort(context, selectedIDs) {
+    return operationReflect(context, selectedIDs, "short");
+  }
+  function operationReflectLong(context, selectedIDs) {
+    return operationReflect(context, selectedIDs, "long");
+  }
+  function operationReflect(context, selectedIDs, axis) {
+    axis = axis || "long";
+    var multi = selectedIDs.length === 1 ? "single" : "multiple";
+    var nodes = utilGetAllNodes(selectedIDs, context.graph());
+    var coords = nodes.map(function(n2) {
+      return n2.loc;
+    });
+    var extent = utilTotalExtent(selectedIDs, context.graph());
+    var operation = function() {
+      var action = actionReflect(selectedIDs, context.projection).useLongAxis(Boolean(axis === "long"));
+      context.perform(action, operation.annotation());
+      window.setTimeout(function() {
+        context.validator().validate();
+      }, 300);
+    };
+    operation.available = function() {
+      return nodes.length >= 3;
+    };
+    operation.disabled = function() {
+      if (extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      } else if (someMissing()) {
+        return "not_downloaded";
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      } else if (selectedIDs.some(incompleteRelation)) {
+        return "incomplete_relation";
+      }
+      return false;
+      function someMissing() {
+        if (context.inIntro())
+          return false;
+        var osm = context.connection();
+        if (osm) {
+          var missing = coords.filter(function(loc) {
+            return !osm.isDataLoaded(loc);
+          });
+          if (missing.length) {
+            missing.forEach(function(loc) {
+              context.loadTileAtLoc(loc);
+            });
+            return true;
+          }
+        }
+        return false;
+      }
+      function incompleteRelation(id2) {
+        var entity = context.entity(id2);
+        return entity.type === "relation" && !entity.isComplete(context.graph());
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.reflect." + disable + "." + multi) : _t.append("operations.reflect.description." + axis + "." + multi);
+    };
+    operation.annotation = function() {
+      return _t("operations.reflect.annotation." + axis + ".feature", { n: selectedIDs.length });
+    };
+    operation.id = "reflect-" + axis;
+    operation.keys = [_t("operations.reflect.key." + axis)];
+    operation.title = _t.append("operations.reflect.title." + axis);
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/move.js
+  function operationMove(context, selectedIDs) {
+    var multi = selectedIDs.length === 1 ? "single" : "multiple";
+    var nodes = utilGetAllNodes(selectedIDs, context.graph());
+    var coords = nodes.map(function(n2) {
+      return n2.loc;
+    });
+    var extent = utilTotalExtent(selectedIDs, context.graph());
+    var operation = function() {
+      context.enter(modeMove(context, selectedIDs));
+    };
+    operation.available = function() {
+      return selectedIDs.length > 0;
+    };
+    operation.disabled = function() {
+      if (extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      } else if (someMissing()) {
+        return "not_downloaded";
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      } else if (selectedIDs.some(incompleteRelation)) {
+        return "incomplete_relation";
+      }
+      return false;
+      function someMissing() {
+        if (context.inIntro())
+          return false;
+        var osm = context.connection();
+        if (osm) {
+          var missing = coords.filter(function(loc) {
+            return !osm.isDataLoaded(loc);
+          });
+          if (missing.length) {
+            missing.forEach(function(loc) {
+              context.loadTileAtLoc(loc);
+            });
+            return true;
+          }
+        }
+        return false;
+      }
+      function incompleteRelation(id2) {
+        var entity = context.entity(id2);
+        return entity.type === "relation" && !entity.isComplete(context.graph());
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.move." + disable + "." + multi) : _t.append("operations.move.description." + multi);
+    };
+    operation.annotation = function() {
+      return selectedIDs.length === 1 ? _t("operations.move.annotation." + context.graph().geometry(selectedIDs[0])) : _t("operations.move.annotation.feature", { n: selectedIDs.length });
+    };
+    operation.id = "move";
+    operation.keys = [_t("operations.move.key")];
+    operation.title = _t.append("operations.move.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    operation.mouseOnly = true;
+    return operation;
+  }
+
+  // modules/modes/rotate.js
+  function modeRotate(context, entityIDs) {
+    var _tolerancePx = 4;
+    var mode = {
+      id: "rotate",
+      button: "browse"
+    };
+    var keybinding = utilKeybinding("rotate");
+    var behaviors = [
+      behaviorEdit(context),
+      operationCircularize(context, entityIDs).behavior,
+      operationDelete(context, entityIDs).behavior,
+      operationMove(context, entityIDs).behavior,
+      operationOrthogonalize(context, entityIDs).behavior,
+      operationReflectLong(context, entityIDs).behavior,
+      operationReflectShort(context, entityIDs).behavior
+    ];
+    var annotation = entityIDs.length === 1 ? _t("operations.rotate.annotation." + context.graph().geometry(entityIDs[0])) : _t("operations.rotate.annotation.feature", { n: entityIDs.length });
+    var _prevGraph;
+    var _prevAngle;
+    var _prevTransform;
+    var _pivot;
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    function doRotate(d3_event) {
+      var fn;
+      if (context.graph() !== _prevGraph) {
+        fn = context.perform;
+      } else {
+        fn = context.replace;
+      }
+      var projection2 = context.projection;
+      var currTransform = projection2.transform();
+      if (!_prevTransform || currTransform.k !== _prevTransform.k || currTransform.x !== _prevTransform.x || currTransform.y !== _prevTransform.y) {
+        var nodes = utilGetAllNodes(entityIDs, context.graph());
+        var points = nodes.map(function(n2) {
+          return projection2(n2.loc);
+        });
+        _pivot = getPivot(points);
+        _prevAngle = void 0;
+      }
+      var currMouse = context.map().mouse(d3_event);
+      var currAngle = Math.atan2(currMouse[1] - _pivot[1], currMouse[0] - _pivot[0]);
+      if (typeof _prevAngle === "undefined")
+        _prevAngle = currAngle;
+      var delta = currAngle - _prevAngle;
+      fn(actionRotate(entityIDs, _pivot, delta, projection2));
+      _prevTransform = currTransform;
+      _prevAngle = currAngle;
+      _prevGraph = context.graph();
+    }
+    function getPivot(points) {
+      var _pivot2;
+      if (points.length === 1) {
+        _pivot2 = points[0];
+      } else if (points.length === 2) {
+        _pivot2 = geoVecInterp(points[0], points[1], 0.5);
+      } else {
+        var polygonHull = hull_default(points);
+        if (polygonHull.length === 2) {
+          _pivot2 = geoVecInterp(points[0], points[1], 0.5);
+        } else {
+          _pivot2 = centroid_default2(hull_default(points));
+        }
+      }
+      return _pivot2;
+    }
+    function finish(d3_event) {
+      d3_event.stopPropagation();
+      context.replace(actionNoop(), annotation);
+      context.enter(modeSelect(context, entityIDs));
+    }
+    function cancel() {
+      if (_prevGraph)
+        context.pop();
+      context.enter(modeSelect(context, entityIDs));
+    }
+    function undone() {
+      context.enter(modeBrowse(context));
+    }
+    mode.enter = function() {
+      _prevGraph = null;
+      context.features().forceVisible(entityIDs);
+      behaviors.forEach(context.install);
+      var downEvent;
+      context.surface().on(_pointerPrefix + "down.modeRotate", function(d3_event) {
+        downEvent = d3_event;
+      });
+      select_default2(window).on(_pointerPrefix + "move.modeRotate", doRotate, true).on(_pointerPrefix + "up.modeRotate", function(d3_event) {
+        if (!downEvent)
+          return;
+        var mapNode = context.container().select(".main-map").node();
+        var pointGetter = utilFastMouse(mapNode);
+        var p1 = pointGetter(downEvent);
+        var p2 = pointGetter(d3_event);
+        var dist = geoVecLength(p1, p2);
+        if (dist <= _tolerancePx)
+          finish(d3_event);
+        downEvent = null;
+      }, true);
+      context.history().on("undone.modeRotate", undone);
+      keybinding.on("\u238B", cancel).on("\u21A9", finish);
+      select_default2(document).call(keybinding);
+    };
+    mode.exit = function() {
+      behaviors.forEach(context.uninstall);
+      context.surface().on(_pointerPrefix + "down.modeRotate", null);
+      select_default2(window).on(_pointerPrefix + "move.modeRotate", null, true).on(_pointerPrefix + "up.modeRotate", null, true);
+      context.history().on("undone.modeRotate", null);
+      select_default2(document).call(keybinding.unbind);
+      context.features().forceVisible([]);
+    };
+    mode.selectedIDs = function() {
+      if (!arguments.length)
+        return entityIDs;
+      return mode;
+    };
+    return mode;
+  }
+
+  // modules/operations/rotate.js
+  function operationRotate(context, selectedIDs) {
+    var multi = selectedIDs.length === 1 ? "single" : "multiple";
+    var nodes = utilGetAllNodes(selectedIDs, context.graph());
+    var coords = nodes.map(function(n2) {
+      return n2.loc;
+    });
+    var extent = utilTotalExtent(selectedIDs, context.graph());
+    var operation = function() {
+      context.enter(modeRotate(context, selectedIDs));
+    };
+    operation.available = function() {
+      return nodes.length >= 2;
+    };
+    operation.disabled = function() {
+      if (extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      } else if (someMissing()) {
+        return "not_downloaded";
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      } else if (selectedIDs.some(incompleteRelation)) {
+        return "incomplete_relation";
+      }
+      return false;
+      function someMissing() {
+        if (context.inIntro())
+          return false;
+        var osm = context.connection();
+        if (osm) {
+          var missing = coords.filter(function(loc) {
+            return !osm.isDataLoaded(loc);
+          });
+          if (missing.length) {
+            missing.forEach(function(loc) {
+              context.loadTileAtLoc(loc);
+            });
+            return true;
+          }
+        }
+        return false;
+      }
+      function incompleteRelation(id2) {
+        var entity = context.entity(id2);
+        return entity.type === "relation" && !entity.isComplete(context.graph());
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.rotate." + disable + "." + multi) : _t.append("operations.rotate.description." + multi);
+    };
+    operation.annotation = function() {
+      return selectedIDs.length === 1 ? _t("operations.rotate.annotation." + context.graph().geometry(selectedIDs[0])) : _t("operations.rotate.annotation.feature", { n: selectedIDs.length });
+    };
+    operation.id = "rotate";
+    operation.keys = [_t("operations.rotate.key")];
+    operation.title = _t.append("operations.rotate.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    operation.mouseOnly = true;
+    return operation;
+  }
+
+  // modules/modes/move.js
+  function modeMove(context, entityIDs, baseGraph) {
+    var _tolerancePx = 4;
+    var mode = {
+      id: "move",
+      button: "browse"
+    };
+    var keybinding = utilKeybinding("move");
+    var behaviors = [
+      behaviorEdit(context),
+      operationCircularize(context, entityIDs).behavior,
+      operationDelete(context, entityIDs).behavior,
+      operationOrthogonalize(context, entityIDs).behavior,
+      operationReflectLong(context, entityIDs).behavior,
+      operationReflectShort(context, entityIDs).behavior,
+      operationRotate(context, entityIDs).behavior
+    ];
+    var annotation = entityIDs.length === 1 ? _t("operations.move.annotation." + context.graph().geometry(entityIDs[0])) : _t("operations.move.annotation.feature", { n: entityIDs.length });
+    var _prevGraph;
+    var _cache4;
+    var _origin;
+    var _nudgeInterval;
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    function doMove(nudge) {
+      nudge = nudge || [0, 0];
+      var fn;
+      if (_prevGraph !== context.graph()) {
+        _cache4 = {};
+        _origin = context.map().mouseCoordinates();
+        fn = context.perform;
+      } else {
+        fn = context.overwrite;
+      }
+      var currMouse = context.map().mouse();
+      var origMouse = context.projection(_origin);
+      var delta = geoVecSubtract(geoVecSubtract(currMouse, origMouse), nudge);
+      fn(actionMove(entityIDs, delta, context.projection, _cache4));
+      _prevGraph = context.graph();
+    }
+    function startNudge(nudge) {
+      if (_nudgeInterval)
+        window.clearInterval(_nudgeInterval);
+      _nudgeInterval = window.setInterval(function() {
+        context.map().pan(nudge);
+        doMove(nudge);
+      }, 50);
+    }
+    function stopNudge() {
+      if (_nudgeInterval) {
+        window.clearInterval(_nudgeInterval);
+        _nudgeInterval = null;
+      }
+    }
+    function move() {
+      doMove();
+      var nudge = geoViewportEdge(context.map().mouse(), context.map().dimensions());
+      if (nudge) {
+        startNudge(nudge);
+      } else {
+        stopNudge();
+      }
+    }
+    function finish(d3_event) {
+      d3_event.stopPropagation();
+      context.replace(actionNoop(), annotation);
+      context.enter(modeSelect(context, entityIDs));
+      stopNudge();
+    }
+    function cancel() {
+      if (baseGraph) {
+        while (context.graph() !== baseGraph)
+          context.pop();
+        context.enter(modeBrowse(context));
+      } else {
+        if (_prevGraph)
+          context.pop();
+        context.enter(modeSelect(context, entityIDs));
+      }
+      stopNudge();
+    }
+    function undone() {
+      context.enter(modeBrowse(context));
+    }
+    mode.enter = function() {
+      _origin = context.map().mouseCoordinates();
+      _prevGraph = null;
+      _cache4 = {};
+      context.features().forceVisible(entityIDs);
+      behaviors.forEach(context.install);
+      var downEvent;
+      context.surface().on(_pointerPrefix + "down.modeMove", function(d3_event) {
+        downEvent = d3_event;
+      });
+      select_default2(window).on(_pointerPrefix + "move.modeMove", move, true).on(_pointerPrefix + "up.modeMove", function(d3_event) {
+        if (!downEvent)
+          return;
+        var mapNode = context.container().select(".main-map").node();
+        var pointGetter = utilFastMouse(mapNode);
+        var p1 = pointGetter(downEvent);
+        var p2 = pointGetter(d3_event);
+        var dist = geoVecLength(p1, p2);
+        if (dist <= _tolerancePx)
+          finish(d3_event);
+        downEvent = null;
+      }, true);
+      context.history().on("undone.modeMove", undone);
+      keybinding.on("\u238B", cancel).on("\u21A9", finish);
+      select_default2(document).call(keybinding);
+    };
+    mode.exit = function() {
+      stopNudge();
+      behaviors.forEach(function(behavior) {
+        context.uninstall(behavior);
+      });
+      context.surface().on(_pointerPrefix + "down.modeMove", null);
+      select_default2(window).on(_pointerPrefix + "move.modeMove", null, true).on(_pointerPrefix + "up.modeMove", null, true);
+      context.history().on("undone.modeMove", null);
+      select_default2(document).call(keybinding.unbind);
+      context.features().forceVisible([]);
+    };
+    mode.selectedIDs = function() {
+      if (!arguments.length)
+        return entityIDs;
+      return mode;
+    };
+    return mode;
+  }
+
+  // modules/behavior/paste.js
+  function behaviorPaste(context) {
+    function doPaste(d3_event) {
+      if (!context.map().withinEditableZoom())
+        return;
+      d3_event.preventDefault();
+      var baseGraph = context.graph();
+      var mouse = context.map().mouse();
+      var projection2 = context.projection;
+      var viewport = geoExtent(projection2.clipExtent()).polygon();
+      if (!geoPointInPolygon(mouse, viewport))
+        return;
+      var oldIDs = context.copyIDs();
+      if (!oldIDs.length)
+        return;
+      var extent = geoExtent();
+      var oldGraph = context.copyGraph();
+      var newIDs = [];
+      var action = actionCopyEntities(oldIDs, oldGraph);
+      context.perform(action);
+      var copies = action.copies();
+      var originals = /* @__PURE__ */ new Set();
+      Object.values(copies).forEach(function(entity) {
+        originals.add(entity.id);
+      });
+      for (var id2 in copies) {
+        var oldEntity = oldGraph.entity(id2);
+        var newEntity = copies[id2];
+        extent._extend(oldEntity.extent(oldGraph));
+        var parents = context.graph().parentWays(newEntity);
+        var parentCopied = parents.some(function(parent) {
+          return originals.has(parent.id);
+        });
+        if (!parentCopied) {
+          newIDs.push(newEntity.id);
+        }
+      }
+      var copyPoint = context.copyLonLat() && projection2(context.copyLonLat()) || projection2(extent.center());
+      var delta = geoVecSubtract(mouse, copyPoint);
+      context.perform(actionMove(newIDs, delta, projection2));
+      context.enter(modeMove(context, newIDs, baseGraph));
+    }
+    function behavior() {
+      context.keybinding().on(uiCmd("\u2318V"), doPaste);
+      return behavior;
+    }
+    behavior.off = function() {
+      context.keybinding().off(uiCmd("\u2318V"));
+    };
+    return behavior;
+  }
+
+  // modules/behavior/drag.js
+  function behaviorDrag() {
+    var dispatch10 = dispatch_default("start", "move", "end");
+    var _tolerancePx = 1;
+    var _penTolerancePx = 4;
+    var _origin = null;
+    var _selector = "";
+    var _targetNode;
+    var _targetEntity;
+    var _surface;
+    var _pointerId;
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    var d3_event_userSelectProperty = utilPrefixCSSProperty("UserSelect");
+    var d3_event_userSelectSuppress = function() {
+      var selection2 = selection_default();
+      var select = selection2.style(d3_event_userSelectProperty);
+      selection2.style(d3_event_userSelectProperty, "none");
+      return function() {
+        selection2.style(d3_event_userSelectProperty, select);
+      };
+    };
+    function pointerdown(d3_event) {
+      if (_pointerId)
+        return;
+      _pointerId = d3_event.pointerId || "mouse";
+      _targetNode = this;
+      var pointerLocGetter = utilFastMouse(_surface || _targetNode.parentNode);
+      var offset;
+      var startOrigin = pointerLocGetter(d3_event);
+      var started = false;
+      var selectEnable = d3_event_userSelectSuppress();
+      select_default2(window).on(_pointerPrefix + "move.drag", pointermove).on(_pointerPrefix + "up.drag pointercancel.drag", pointerup, true);
+      if (_origin) {
+        offset = _origin.call(_targetNode, _targetEntity);
+        offset = [offset[0] - startOrigin[0], offset[1] - startOrigin[1]];
+      } else {
+        offset = [0, 0];
+      }
+      d3_event.stopPropagation();
+      function pointermove(d3_event2) {
+        if (_pointerId !== (d3_event2.pointerId || "mouse"))
+          return;
+        var p = pointerLocGetter(d3_event2);
+        if (!started) {
+          var dist = geoVecLength(startOrigin, p);
+          var tolerance = d3_event2.pointerType === "pen" ? _penTolerancePx : _tolerancePx;
+          if (dist < tolerance)
+            return;
+          started = true;
+          dispatch10.call("start", this, d3_event2, _targetEntity);
+        } else {
+          startOrigin = p;
+          d3_event2.stopPropagation();
+          d3_event2.preventDefault();
+          var dx = p[0] - startOrigin[0];
+          var dy = p[1] - startOrigin[1];
+          dispatch10.call("move", this, d3_event2, _targetEntity, [p[0] + offset[0], p[1] + offset[1]], [dx, dy]);
+        }
+      }
+      function pointerup(d3_event2) {
+        if (_pointerId !== (d3_event2.pointerId || "mouse"))
+          return;
+        _pointerId = null;
+        if (started) {
+          dispatch10.call("end", this, d3_event2, _targetEntity);
+          d3_event2.preventDefault();
+        }
+        select_default2(window).on(_pointerPrefix + "move.drag", null).on(_pointerPrefix + "up.drag pointercancel.drag", null);
+        selectEnable();
+      }
+    }
+    function behavior(selection2) {
+      var matchesSelector = utilPrefixDOMProperty("matchesSelector");
+      var delegate = pointerdown;
+      if (_selector) {
+        delegate = function(d3_event) {
+          var root3 = this;
+          var target = d3_event.target;
+          for (; target && target !== root3; target = target.parentNode) {
+            var datum2 = target.__data__;
+            _targetEntity = datum2 instanceof osmNote ? datum2 : datum2 && datum2.properties && datum2.properties.entity;
+            if (_targetEntity && target[matchesSelector](_selector)) {
+              return pointerdown.call(target, d3_event);
+            }
+          }
+        };
+      }
+      selection2.on(_pointerPrefix + "down.drag" + _selector, delegate);
+    }
+    behavior.off = function(selection2) {
+      selection2.on(_pointerPrefix + "down.drag" + _selector, null);
+    };
+    behavior.selector = function(_) {
+      if (!arguments.length)
+        return _selector;
+      _selector = _;
+      return behavior;
+    };
+    behavior.origin = function(_) {
+      if (!arguments.length)
+        return _origin;
+      _origin = _;
+      return behavior;
+    };
+    behavior.cancel = function() {
+      select_default2(window).on(_pointerPrefix + "move.drag", null).on(_pointerPrefix + "up.drag pointercancel.drag", null);
+      return behavior;
+    };
+    behavior.targetNode = function(_) {
+      if (!arguments.length)
+        return _targetNode;
+      _targetNode = _;
+      return behavior;
+    };
+    behavior.targetEntity = function(_) {
+      if (!arguments.length)
+        return _targetEntity;
+      _targetEntity = _;
+      return behavior;
+    };
+    behavior.surface = function(_) {
+      if (!arguments.length)
+        return _surface;
+      _surface = _;
+      return behavior;
+    };
+    return utilRebind(behavior, dispatch10, "on");
+  }
+
+  // modules/modes/drag_node.js
+  function modeDragNode(context) {
+    var mode = {
+      id: "drag-node",
+      button: "browse"
+    };
+    var hover = behaviorHover(context).altDisables(true).on("hover", context.ui().sidebar.hover);
+    var edit2 = behaviorEdit(context);
+    var _nudgeInterval;
+    var _restoreSelectedIDs = [];
+    var _wasMidpoint = false;
+    var _isCancelled = false;
+    var _activeEntity;
+    var _startLoc;
+    var _lastLoc;
+    function startNudge(d3_event, entity, nudge) {
+      if (_nudgeInterval)
+        window.clearInterval(_nudgeInterval);
+      _nudgeInterval = window.setInterval(function() {
+        context.map().pan(nudge);
+        doMove(d3_event, entity, nudge);
+      }, 50);
+    }
+    function stopNudge() {
+      if (_nudgeInterval) {
+        window.clearInterval(_nudgeInterval);
+        _nudgeInterval = null;
+      }
+    }
+    function moveAnnotation(entity) {
+      return _t("operations.move.annotation." + entity.geometry(context.graph()));
+    }
+    function connectAnnotation(nodeEntity, targetEntity) {
+      var nodeGeometry = nodeEntity.geometry(context.graph());
+      var targetGeometry = targetEntity.geometry(context.graph());
+      if (nodeGeometry === "vertex" && targetGeometry === "vertex") {
+        var nodeParentWayIDs = context.graph().parentWays(nodeEntity);
+        var targetParentWayIDs = context.graph().parentWays(targetEntity);
+        var sharedParentWays = utilArrayIntersection(nodeParentWayIDs, targetParentWayIDs);
+        if (sharedParentWays.length !== 0) {
+          if (sharedParentWays[0].areAdjacent(nodeEntity.id, targetEntity.id)) {
+            return _t("operations.connect.annotation.from_vertex.to_adjacent_vertex");
+          }
+          return _t("operations.connect.annotation.from_vertex.to_sibling_vertex");
+        }
+      }
+      return _t("operations.connect.annotation.from_" + nodeGeometry + ".to_" + targetGeometry);
+    }
+    function shouldSnapToNode(target) {
+      if (!_activeEntity)
+        return false;
+      return _activeEntity.geometry(context.graph()) !== "vertex" || (target.geometry(context.graph()) === "vertex" || _mainPresetIndex.allowsVertex(target, context.graph()));
+    }
+    function origin(entity) {
+      return context.projection(entity.loc);
+    }
+    function keydown(d3_event) {
+      if (d3_event.keyCode === utilKeybinding.modifierCodes.alt) {
+        if (context.surface().classed("nope")) {
+          context.surface().classed("nope-suppressed", true);
+        }
+        context.surface().classed("nope", false).classed("nope-disabled", true);
+      }
+    }
+    function keyup(d3_event) {
+      if (d3_event.keyCode === utilKeybinding.modifierCodes.alt) {
+        if (context.surface().classed("nope-suppressed")) {
+          context.surface().classed("nope", true);
+        }
+        context.surface().classed("nope-suppressed", false).classed("nope-disabled", false);
+      }
+    }
+    function start2(d3_event, entity) {
+      _wasMidpoint = entity.type === "midpoint";
+      var hasHidden = context.features().hasHiddenConnections(entity, context.graph());
+      _isCancelled = !context.editable() || d3_event.shiftKey || hasHidden;
+      if (_isCancelled) {
+        if (hasHidden) {
+          context.ui().flash.duration(4e3).iconName("#iD-icon-no").label(_t.append("modes.drag_node.connected_to_hidden"))();
+        }
+        return drag.cancel();
+      }
+      if (_wasMidpoint) {
+        var midpoint = entity;
+        entity = osmNode();
+        context.perform(actionAddMidpoint(midpoint, entity));
+        entity = context.entity(entity.id);
+        var vertex = context.surface().selectAll("." + entity.id);
+        drag.targetNode(vertex.node()).targetEntity(entity);
+      } else {
+        context.perform(actionNoop());
+      }
+      _activeEntity = entity;
+      _startLoc = entity.loc;
+      hover.ignoreVertex(entity.geometry(context.graph()) === "vertex");
+      context.surface().selectAll("." + _activeEntity.id).classed("active", true);
+      context.enter(mode);
+    }
+    function datum2(d3_event) {
+      if (!d3_event || d3_event.altKey) {
+        return {};
+      } else {
+        var d = d3_event.target.__data__;
+        return d && d.properties && d.properties.target ? d : {};
+      }
+    }
+    function doMove(d3_event, entity, nudge) {
+      nudge = nudge || [0, 0];
+      var currPoint = d3_event && d3_event.point || context.projection(_lastLoc);
+      var currMouse = geoVecSubtract(currPoint, nudge);
+      var loc = context.projection.invert(currMouse);
+      var target, edge;
+      if (!_nudgeInterval) {
+        var d = datum2(d3_event);
+        target = d && d.properties && d.properties.entity;
+        var targetLoc = target && target.loc;
+        var targetNodes = d && d.properties && d.properties.nodes;
+        if (targetLoc) {
+          if (shouldSnapToNode(target)) {
+            loc = targetLoc;
+          }
+        } else if (targetNodes) {
+          edge = geoChooseEdge(targetNodes, context.map().mouse(), context.projection, end.id);
+          if (edge) {
+            loc = edge.loc;
+          }
+        }
+      }
+      context.replace(
+        actionMoveNode(entity.id, loc)
+      );
+      var isInvalid = false;
+      if (target) {
+        isInvalid = hasRelationConflict(entity, target, edge, context.graph());
+      }
+      if (!isInvalid) {
+        isInvalid = hasInvalidGeometry(entity, context.graph());
+      }
+      var nope = context.surface().classed("nope");
+      if (isInvalid === "relation" || isInvalid === "restriction") {
+        if (!nope) {
+          context.ui().flash.duration(4e3).iconName("#iD-icon-no").label(_t.append(
+            "operations.connect." + isInvalid,
+            { relation: _mainPresetIndex.item("type/restriction").name() }
+          ))();
+        }
+      } else if (isInvalid) {
+        var errorID = isInvalid === "line" ? "lines" : "areas";
+        context.ui().flash.duration(3e3).iconName("#iD-icon-no").label(_t.append("self_intersection.error." + errorID))();
+      } else {
+        if (nope) {
+          context.ui().flash.duration(1).label("")();
+        }
+      }
+      var nopeDisabled = context.surface().classed("nope-disabled");
+      if (nopeDisabled) {
+        context.surface().classed("nope", false).classed("nope-suppressed", isInvalid);
+      } else {
+        context.surface().classed("nope", isInvalid).classed("nope-suppressed", false);
+      }
+      _lastLoc = loc;
+    }
+    function hasRelationConflict(entity, target, edge, graph) {
+      var testGraph = graph.update();
+      if (edge) {
+        var midpoint = osmNode();
+        var action = actionAddMidpoint({
+          loc: edge.loc,
+          edge: [target.nodes[edge.index - 1], target.nodes[edge.index]]
+        }, midpoint);
+        testGraph = action(testGraph);
+        target = midpoint;
+      }
+      var ids = [entity.id, target.id];
+      return actionConnect(ids).disabled(testGraph);
+    }
+    function hasInvalidGeometry(entity, graph) {
+      var parents = graph.parentWays(entity);
+      var i2, j2, k;
+      for (i2 = 0; i2 < parents.length; i2++) {
+        var parent = parents[i2];
+        var nodes = [];
+        var activeIndex = null;
+        var relations = graph.parentRelations(parent);
+        for (j2 = 0; j2 < relations.length; j2++) {
+          if (!relations[j2].isMultipolygon())
+            continue;
+          var rings = osmJoinWays(relations[j2].members, graph);
+          for (k = 0; k < rings.length; k++) {
+            nodes = rings[k].nodes;
+            if (nodes.find(function(n2) {
+              return n2.id === entity.id;
+            })) {
+              activeIndex = k;
+              if (geoHasSelfIntersections(nodes, entity.id)) {
+                return "multipolygonMember";
+              }
+            }
+            rings[k].coords = nodes.map(function(n2) {
+              return n2.loc;
+            });
+          }
+          for (k = 0; k < rings.length; k++) {
+            if (k === activeIndex)
+              continue;
+            if (geoHasLineIntersections(rings[activeIndex].nodes, rings[k].nodes, entity.id)) {
+              return "multipolygonRing";
+            }
+          }
+        }
+        if (activeIndex === null) {
+          nodes = parent.nodes.map(function(nodeID) {
+            return graph.entity(nodeID);
+          });
+          if (nodes.length && geoHasSelfIntersections(nodes, entity.id)) {
+            return parent.geometry(graph);
+          }
+        }
+      }
+      return false;
+    }
+    function move(d3_event, entity, point2) {
+      if (_isCancelled)
+        return;
+      d3_event.stopPropagation();
+      context.surface().classed("nope-disabled", d3_event.altKey);
+      _lastLoc = context.projection.invert(point2);
+      doMove(d3_event, entity);
+      var nudge = geoViewportEdge(point2, context.map().dimensions());
+      if (nudge) {
+        startNudge(d3_event, entity, nudge);
+      } else {
+        stopNudge();
+      }
+    }
+    function end(d3_event, entity) {
+      if (_isCancelled)
+        return;
+      var wasPoint = entity.geometry(context.graph()) === "point";
+      var d = datum2(d3_event);
+      var nope = d && d.properties && d.properties.nope || context.surface().classed("nope");
+      var target = d && d.properties && d.properties.entity;
+      if (nope) {
+        context.perform(
+          _actionBounceBack(entity.id, _startLoc)
+        );
+      } else if (target && target.type === "way") {
+        var choice = geoChooseEdge(context.graph().childNodes(target), context.map().mouse(), context.projection, entity.id);
+        context.replace(
+          actionAddMidpoint({
+            loc: choice.loc,
+            edge: [target.nodes[choice.index - 1], target.nodes[choice.index]]
+          }, entity),
+          connectAnnotation(entity, target)
+        );
+      } else if (target && target.type === "node" && shouldSnapToNode(target)) {
+        context.replace(
+          actionConnect([target.id, entity.id]),
+          connectAnnotation(entity, target)
+        );
+      } else if (_wasMidpoint) {
+        context.replace(
+          actionNoop(),
+          _t("operations.add.annotation.vertex")
+        );
+      } else {
+        context.replace(
+          actionNoop(),
+          moveAnnotation(entity)
+        );
+      }
+      if (wasPoint) {
+        context.enter(modeSelect(context, [entity.id]));
+      } else {
+        var reselection = _restoreSelectedIDs.filter(function(id2) {
+          return context.graph().hasEntity(id2);
+        });
+        if (reselection.length) {
+          context.enter(modeSelect(context, reselection));
+        } else {
+          context.enter(modeBrowse(context));
+        }
+      }
+    }
+    function _actionBounceBack(nodeID, toLoc) {
+      var moveNode = actionMoveNode(nodeID, toLoc);
+      var action = function(graph, t) {
+        if (t === 1)
+          context.pop();
+        return moveNode(graph, t);
+      };
+      action.transitionable = true;
+      return action;
+    }
+    function cancel() {
+      drag.cancel();
+      context.enter(modeBrowse(context));
+    }
+    var drag = behaviorDrag().selector(".layer-touch.points .target").surface(context.container().select(".main-map").node()).origin(origin).on("start", start2).on("move", move).on("end", end);
+    mode.enter = function() {
+      context.install(hover);
+      context.install(edit2);
+      select_default2(window).on("keydown.dragNode", keydown).on("keyup.dragNode", keyup);
+      context.history().on("undone.drag-node", cancel);
+    };
+    mode.exit = function() {
+      context.ui().sidebar.hover.cancel();
+      context.uninstall(hover);
+      context.uninstall(edit2);
+      select_default2(window).on("keydown.dragNode", null).on("keyup.dragNode", null);
+      context.history().on("undone.drag-node", null);
+      _activeEntity = null;
+      context.surface().classed("nope", false).classed("nope-suppressed", false).classed("nope-disabled", false).selectAll(".active").classed("active", false);
+      stopNudge();
+    };
+    mode.selectedIDs = function() {
+      if (!arguments.length)
+        return _activeEntity ? [_activeEntity.id] : [];
+      return mode;
+    };
+    mode.activeID = function() {
+      if (!arguments.length)
+        return _activeEntity && _activeEntity.id;
+      return mode;
+    };
+    mode.restoreSelectedIDs = function(_) {
+      if (!arguments.length)
+        return _restoreSelectedIDs;
+      _restoreSelectedIDs = _;
+      return mode;
+    };
+    mode.behavior = drag;
+    return mode;
+  }
+
+  // modules/services/keepRight.js
+  var import_rbush = __toESM(require_rbush_min());
+
+  // node_modules/d3-fetch/src/text.js
+  function responseText(response) {
+    if (!response.ok)
+      throw new Error(response.status + " " + response.statusText);
+    return response.text();
+  }
+  function text_default3(input, init2) {
+    return fetch(input, init2).then(responseText);
+  }
+
+  // node_modules/d3-fetch/src/json.js
+  function responseJson(response) {
+    if (!response.ok)
+      throw new Error(response.status + " " + response.statusText);
+    if (response.status === 204 || response.status === 205)
+      return;
+    return response.json();
+  }
+  function json_default(input, init2) {
+    return fetch(input, init2).then(responseJson);
+  }
+
+  // node_modules/d3-fetch/src/xml.js
+  function parser(type2) {
+    return (input, init2) => text_default3(input, init2).then((text2) => new DOMParser().parseFromString(text2, type2));
+  }
+  var xml_default = parser("application/xml");
+  var html = parser("text/html");
+  var svg = parser("image/svg+xml");
+
+  // modules/services/keepRight.js
+  var tiler = utilTiler();
+  var dispatch2 = dispatch_default("loaded");
+  var _tileZoom = 14;
+  var _krUrlRoot = "https://www.keepright.at";
+  var _krData = { errorTypes: {}, localizeStrings: {} };
+  var _cache;
+  var _krRuleset = [
+    // no 20 - multiple node on same spot - these are mostly boundaries overlapping roads
+    30,
+    40,
+    50,
+    60,
+    70,
+    90,
+    100,
+    110,
+    120,
+    130,
+    150,
+    160,
+    170,
+    180,
+    190,
+    191,
+    192,
+    193,
+    194,
+    195,
+    196,
+    197,
+    198,
+    200,
+    201,
+    202,
+    203,
+    204,
+    205,
+    206,
+    207,
+    208,
+    210,
+    220,
+    230,
+    231,
+    232,
+    270,
+    280,
+    281,
+    282,
+    283,
+    284,
+    285,
+    290,
+    291,
+    292,
+    293,
+    294,
+    295,
+    296,
+    297,
+    298,
+    300,
+    310,
+    311,
+    312,
+    313,
+    320,
+    350,
+    360,
+    370,
+    380,
+    390,
+    400,
+    401,
+    402,
+    410,
+    411,
+    412,
+    413
+  ];
+  function abortRequest(controller) {
+    if (controller) {
+      controller.abort();
+    }
+  }
+  function abortUnwantedRequests(cache, tiles) {
+    Object.keys(cache.inflightTile).forEach((k) => {
+      const wanted = tiles.find((tile) => k === tile.id);
+      if (!wanted) {
+        abortRequest(cache.inflightTile[k]);
+        delete cache.inflightTile[k];
+      }
+    });
+  }
+  function encodeIssueRtree(d) {
+    return { minX: d.loc[0], minY: d.loc[1], maxX: d.loc[0], maxY: d.loc[1], data: d };
+  }
+  function updateRtree(item, replace) {
+    _cache.rtree.remove(item, (a, b) => a.data.id === b.data.id);
+    if (replace) {
+      _cache.rtree.insert(item);
+    }
+  }
+  function tokenReplacements(d) {
+    if (!(d instanceof QAItem))
+      return;
+    const replacements = {};
+    const issueTemplate = _krData.errorTypes[d.whichType];
+    if (!issueTemplate) {
+      console.log("No Template: ", d.whichType);
+      console.log("  ", d.description);
+      return;
+    }
+    if (!issueTemplate.regex)
+      return;
+    const errorRegex = new RegExp(issueTemplate.regex, "i");
+    const errorMatch = errorRegex.exec(d.description);
+    if (!errorMatch) {
+      console.log("Unmatched: ", d.whichType);
+      console.log("  ", d.description);
+      console.log("  ", errorRegex);
+      return;
+    }
+    for (let i2 = 1; i2 < errorMatch.length; i2++) {
+      let capture = errorMatch[i2];
+      let idType;
+      idType = "IDs" in issueTemplate ? issueTemplate.IDs[i2 - 1] : "";
+      if (idType && capture) {
+        capture = parseError(capture, idType);
+      } else {
+        const compare = capture.toLowerCase();
+        if (_krData.localizeStrings[compare]) {
+          capture = _t("QA.keepRight.error_parts." + _krData.localizeStrings[compare]);
+        } else {
+          capture = unescape_default(capture);
+        }
+      }
+      replacements["var" + i2] = capture;
+    }
+    return replacements;
+  }
+  function parseError(capture, idType) {
+    const compare = capture.toLowerCase();
+    if (_krData.localizeStrings[compare]) {
+      capture = _t("QA.keepRight.error_parts." + _krData.localizeStrings[compare]);
+    }
+    switch (idType) {
+      case "this":
+        capture = linkErrorObject2(capture);
+        break;
+      case "url":
+        capture = linkURL(capture);
+        break;
+      case "n":
+      case "w":
+      case "r":
+        capture = linkEntity2(idType + capture);
+        break;
+      case "20":
+        capture = parse20(capture);
+        break;
+      case "211":
+        capture = parse211(capture);
+        break;
+      case "231":
+        capture = parse231(capture);
+        break;
+      case "294":
+        capture = parse294(capture);
+        break;
+      case "370":
+        capture = parse370(capture);
+        break;
+    }
+    return capture;
+    function linkErrorObject2(d) {
+      return { html: `<a class="error_object_link">${d}</a>` };
+    }
+    function linkEntity2(d) {
+      return { html: `<a class="error_entity_link">${d}</a>` };
+    }
+    function linkURL(d) {
+      return { html: `<a class="kr_external_link" target="_blank" href="${d}">${d}</a>` };
+    }
+    function parse211(capture2) {
+      let newList = [];
+      const items = capture2.split(", ");
+      items.forEach((item) => {
+        let id2 = linkEntity2("n" + item.slice(1));
+        newList.push(id2);
+      });
+      return newList.join(", ");
+    }
+    function parse231(capture2) {
+      let newList = [];
+      const items = capture2.split("),");
+      items.forEach((item) => {
+        const match = item.match(/\#(\d+)\((.+)\)?/);
+        if (match !== null && match.length > 2) {
+          newList.push(
+            linkEntity2("w" + match[1]) + " " + _t("QA.keepRight.errorTypes.231.layer", { layer: match[2] })
+          );
+        }
+      });
+      return newList.join(", ");
+    }
+    function parse294(capture2) {
+      let newList = [];
+      const items = capture2.split(",");
+      items.forEach((item) => {
+        item = item.split(" ");
+        const role = `"${item[0]}"`;
+        const idType2 = item[1].slice(0, 1);
+        let id2 = item[2].slice(1);
+        id2 = linkEntity2(idType2 + id2);
+        newList.push(`${role} ${item[1]} ${id2}`);
+      });
+      return newList.join(", ");
+    }
+    function parse370(capture2) {
+      if (!capture2)
+        return "";
+      const match = capture2.match(/\(including the name (\'.+\')\)/);
+      if (match && match.length) {
+        return _t("QA.keepRight.errorTypes.370.including_the_name", { name: match[1] });
+      }
+      return "";
+    }
+    function parse20(capture2) {
+      let newList = [];
+      const items = capture2.split(",");
+      items.forEach((item) => {
+        const id2 = linkEntity2("n" + item.slice(1));
+        newList.push(id2);
+      });
+      return newList.join(", ");
+    }
+  }
+  var keepRight_default = {
+    title: "keepRight",
+    init() {
+      _mainFileFetcher.get("keepRight").then((d) => _krData = d);
+      if (!_cache) {
+        this.reset();
+      }
+      this.event = utilRebind(this, dispatch2, "on");
+    },
+    reset() {
+      if (_cache) {
+        Object.values(_cache.inflightTile).forEach(abortRequest);
+      }
+      _cache = {
+        data: {},
+        loadedTile: {},
+        inflightTile: {},
+        inflightPost: {},
+        closed: {},
+        rtree: new import_rbush.default()
+      };
+    },
+    // KeepRight API:  http://osm.mueschelsoft.de/keepright/interfacing.php
+    loadIssues(projection2) {
+      const options2 = {
+        format: "geojson",
+        ch: _krRuleset
+      };
+      const tiles = tiler.zoomExtent([_tileZoom, _tileZoom]).getTiles(projection2);
+      abortUnwantedRequests(_cache, tiles);
+      tiles.forEach((tile) => {
+        if (_cache.loadedTile[tile.id] || _cache.inflightTile[tile.id])
+          return;
+        const [left, top, right, bottom] = tile.extent.rectangle();
+        const params = Object.assign({}, options2, { left, bottom, right, top });
+        const url = `${_krUrlRoot}/export.php?` + utilQsString(params);
+        const controller = new AbortController();
+        _cache.inflightTile[tile.id] = controller;
+        json_default(url, { signal: controller.signal }).then((data) => {
+          delete _cache.inflightTile[tile.id];
+          _cache.loadedTile[tile.id] = true;
+          if (!data || !data.features || !data.features.length) {
+            throw new Error("No Data");
+          }
+          data.features.forEach((feature3) => {
+            const {
+              properties: {
+                error_type: itemType,
+                error_id: id2,
+                comment = null,
+                object_id: objectId,
+                object_type: objectType,
+                schema,
+                title
+              }
+            } = feature3;
+            let {
+              geometry: { coordinates: loc },
+              properties: { description = "" }
+            } = feature3;
+            const issueTemplate = _krData.errorTypes[itemType];
+            const parentIssueType = (Math.floor(itemType / 10) * 10).toString();
+            const whichType = issueTemplate ? itemType : parentIssueType;
+            const whichTemplate = _krData.errorTypes[whichType];
+            switch (whichType) {
+              case "170":
+                description = `This feature has a FIXME tag: ${description}`;
+                break;
+              case "292":
+              case "293":
+                description = description.replace("A turn-", "This turn-");
+                break;
+              case "294":
+              case "295":
+              case "296":
+              case "297":
+              case "298":
+                description = `This turn-restriction~${description}`;
+                break;
+              case "300":
+                description = "This highway is missing a maxspeed tag";
+                break;
+              case "411":
+              case "412":
+              case "413":
+                description = `This feature~${description}`;
+                break;
+            }
+            let coincident = false;
+            do {
+              let delta = coincident ? [1e-5, 0] : [0, 1e-5];
+              loc = geoVecAdd(loc, delta);
+              let bbox2 = geoExtent(loc).bbox();
+              coincident = _cache.rtree.search(bbox2).length;
+            } while (coincident);
+            let d = new QAItem(loc, this, itemType, id2, {
+              comment,
+              description,
+              whichType,
+              parentIssueType,
+              severity: whichTemplate.severity || "error",
+              objectId,
+              objectType,
+              schema,
+              title
+            });
+            d.replacements = tokenReplacements(d);
+            _cache.data[id2] = d;
+            _cache.rtree.insert(encodeIssueRtree(d));
+          });
+          dispatch2.call("loaded");
+        }).catch(() => {
+          delete _cache.inflightTile[tile.id];
+          _cache.loadedTile[tile.id] = true;
+        });
+      });
+    },
+    postUpdate(d, callback) {
+      if (_cache.inflightPost[d.id]) {
+        return callback({ message: "Error update already inflight", status: -2 }, d);
+      }
+      const params = { schema: d.schema, id: d.id };
+      if (d.newStatus) {
+        params.st = d.newStatus;
+      }
+      if (d.newComment !== void 0) {
+        params.co = d.newComment;
+      }
+      const url = `${_krUrlRoot}/comment.php?` + utilQsString(params);
+      const controller = new AbortController();
+      _cache.inflightPost[d.id] = controller;
+      json_default(url, { signal: controller.signal }).finally(() => {
+        delete _cache.inflightPost[d.id];
+        if (d.newStatus === "ignore") {
+          this.removeItem(d);
+        } else if (d.newStatus === "ignore_t") {
+          this.removeItem(d);
+          _cache.closed[`${d.schema}:${d.id}`] = true;
+        } else {
+          d = this.replaceItem(d.update({
+            comment: d.newComment,
+            newComment: void 0,
+            newState: void 0
+          }));
+        }
+        if (callback)
+          callback(null, d);
+      });
+    },
+    // Get all cached QAItems covering the viewport
+    getItems(projection2) {
+      const viewport = projection2.clipExtent();
+      const min3 = [viewport[0][0], viewport[1][1]];
+      const max3 = [viewport[1][0], viewport[0][1]];
+      const bbox2 = geoExtent(projection2.invert(min3), projection2.invert(max3)).bbox();
+      return _cache.rtree.search(bbox2).map((d) => d.data);
+    },
+    // Get a QAItem from cache
+    // NOTE: Don't change method name until UI v3 is merged
+    getError(id2) {
+      return _cache.data[id2];
+    },
+    // Replace a single QAItem in the cache
+    replaceItem(item) {
+      if (!(item instanceof QAItem) || !item.id)
+        return;
+      _cache.data[item.id] = item;
+      updateRtree(encodeIssueRtree(item), true);
+      return item;
+    },
+    // Remove a single QAItem from the cache
+    removeItem(item) {
+      if (!(item instanceof QAItem) || !item.id)
+        return;
+      delete _cache.data[item.id];
+      updateRtree(encodeIssueRtree(item), false);
+    },
+    issueURL(item) {
+      return `${_krUrlRoot}/report_map.php?schema=${item.schema}&error=${item.id}`;
+    },
+    // Get an array of issues closed during this session.
+    // Used to populate `closed:keepright` changeset tag
+    getClosedIDs() {
+      return Object.keys(_cache.closed).sort();
+    }
+  };
+
+  // modules/services/improveOSM.js
+  var import_rbush2 = __toESM(require_rbush_min());
+  var tiler2 = utilTiler();
+  var dispatch3 = dispatch_default("loaded");
+  var _tileZoom2 = 14;
+  var _impOsmUrls = {
+    ow: "https://grab.community.improve-osm.org/directionOfFlowService",
+    mr: "https://grab.community.improve-osm.org/missingGeoService",
+    tr: "https://grab.community.improve-osm.org/turnRestrictionService"
+  };
+  var _impOsmData = { icons: {} };
+  var _cache2;
+  function abortRequest2(i2) {
+    Object.values(i2).forEach((controller) => {
+      if (controller) {
+        controller.abort();
+      }
+    });
+  }
+  function abortUnwantedRequests2(cache, tiles) {
+    Object.keys(cache.inflightTile).forEach((k) => {
+      const wanted = tiles.find((tile) => k === tile.id);
+      if (!wanted) {
+        abortRequest2(cache.inflightTile[k]);
+        delete cache.inflightTile[k];
+      }
+    });
+  }
+  function encodeIssueRtree2(d) {
+    return { minX: d.loc[0], minY: d.loc[1], maxX: d.loc[0], maxY: d.loc[1], data: d };
+  }
+  function updateRtree2(item, replace) {
+    _cache2.rtree.remove(item, (a, b) => a.data.id === b.data.id);
+    if (replace) {
+      _cache2.rtree.insert(item);
+    }
+  }
+  function linkErrorObject(d) {
+    return { html: `<a class="error_object_link">${d}</a>` };
+  }
+  function linkEntity(d) {
+    return { html: `<a class="error_entity_link">${d}</a>` };
+  }
+  function pointAverage(points) {
+    if (points.length) {
+      const sum = points.reduce(
+        (acc, point2) => geoVecAdd(acc, [point2.lon, point2.lat]),
+        [0, 0]
+      );
+      return geoVecScale(sum, 1 / points.length);
+    } else {
+      return [0, 0];
+    }
+  }
+  function relativeBearing(p1, p2) {
+    let angle2 = Math.atan2(p2.lon - p1.lon, p2.lat - p1.lat);
+    if (angle2 < 0) {
+      angle2 += 2 * Math.PI;
+    }
+    return angle2 * 180 / Math.PI;
+  }
+  function cardinalDirection(bearing) {
+    const dir = 45 * Math.round(bearing / 45);
+    const compass = {
+      0: "north",
+      45: "northeast",
+      90: "east",
+      135: "southeast",
+      180: "south",
+      225: "southwest",
+      270: "west",
+      315: "northwest",
+      360: "north"
+    };
+    return _t(`QA.improveOSM.directions.${compass[dir]}`);
+  }
+  function preventCoincident(loc, bumpUp) {
+    let coincident = false;
+    do {
+      let delta = coincident ? [1e-5, 0] : bumpUp ? [0, 1e-5] : [0, 0];
+      loc = geoVecAdd(loc, delta);
+      let bbox2 = geoExtent(loc).bbox();
+      coincident = _cache2.rtree.search(bbox2).length;
+    } while (coincident);
+    return loc;
+  }
+  var improveOSM_default = {
+    title: "improveOSM",
+    init() {
+      _mainFileFetcher.get("qa_data").then((d) => _impOsmData = d.improveOSM);
+      if (!_cache2) {
+        this.reset();
+      }
+      this.event = utilRebind(this, dispatch3, "on");
+    },
+    reset() {
+      if (_cache2) {
+        Object.values(_cache2.inflightTile).forEach(abortRequest2);
+      }
+      _cache2 = {
+        data: {},
+        loadedTile: {},
+        inflightTile: {},
+        inflightPost: {},
+        closed: {},
+        rtree: new import_rbush2.default()
+      };
+    },
+    loadIssues(projection2) {
+      const options2 = {
+        client: "iD",
+        status: "OPEN",
+        zoom: "19"
+        // Use a high zoom so that clusters aren't returned
+      };
+      const tiles = tiler2.zoomExtent([_tileZoom2, _tileZoom2]).getTiles(projection2);
+      abortUnwantedRequests2(_cache2, tiles);
+      tiles.forEach((tile) => {
+        if (_cache2.loadedTile[tile.id] || _cache2.inflightTile[tile.id])
+          return;
+        const [east, north, west, south] = tile.extent.rectangle();
+        const params = Object.assign({}, options2, { east, south, west, north });
+        const requests = {};
+        Object.keys(_impOsmUrls).forEach((k) => {
+          const kParams = Object.assign(
+            {},
+            params,
+            k === "mr" ? { type: "PARKING,ROAD,BOTH,PATH" } : { confidenceLevel: "C1" }
+          );
+          const url = `${_impOsmUrls[k]}/search?` + utilQsString(kParams);
+          const controller = new AbortController();
+          requests[k] = controller;
+          json_default(url, { signal: controller.signal }).then((data) => {
+            delete _cache2.inflightTile[tile.id][k];
+            if (!Object.keys(_cache2.inflightTile[tile.id]).length) {
+              delete _cache2.inflightTile[tile.id];
+              _cache2.loadedTile[tile.id] = true;
+            }
+            if (data.roadSegments) {
+              data.roadSegments.forEach((feature3) => {
+                const { points, wayId, fromNodeId, toNodeId } = feature3;
+                const itemId = `${wayId}${fromNodeId}${toNodeId}`;
+                let mid = points.length / 2;
+                let loc;
+                if (mid % 1 === 0) {
+                  loc = pointAverage([points[mid - 1], points[mid]]);
+                } else {
+                  mid = points[Math.floor(mid)];
+                  loc = [mid.lon, mid.lat];
+                }
+                loc = preventCoincident(loc, false);
+                let d = new QAItem(loc, this, k, itemId, {
+                  issueKey: k,
+                  // used as a category
+                  identifier: {
+                    // used to post changes
+                    wayId,
+                    fromNodeId,
+                    toNodeId
+                  },
+                  objectId: wayId,
+                  objectType: "way"
+                });
+                d.replacements = {
+                  percentage: feature3.percentOfTrips,
+                  num_trips: feature3.numberOfTrips,
+                  highway: linkErrorObject(_t("QA.keepRight.error_parts.highway")),
+                  from_node: linkEntity("n" + feature3.fromNodeId),
+                  to_node: linkEntity("n" + feature3.toNodeId)
+                };
+                _cache2.data[d.id] = d;
+                _cache2.rtree.insert(encodeIssueRtree2(d));
+              });
+            }
+            if (data.tiles) {
+              data.tiles.forEach((feature3) => {
+                const { type: type2, x, y, numberOfTrips } = feature3;
+                const geoType = type2.toLowerCase();
+                const itemId = `${geoType}${x}${y}${numberOfTrips}`;
+                let loc = pointAverage(feature3.points);
+                loc = preventCoincident(loc, false);
+                let d = new QAItem(loc, this, `${k}-${geoType}`, itemId, {
+                  issueKey: k,
+                  identifier: { x, y }
+                });
+                d.replacements = {
+                  num_trips: numberOfTrips,
+                  geometry_type: _t(`QA.improveOSM.geometry_types.${geoType}`)
+                };
+                if (numberOfTrips === -1) {
+                  d.desc = _t("QA.improveOSM.error_types.mr.description_alt", d.replacements);
+                }
+                _cache2.data[d.id] = d;
+                _cache2.rtree.insert(encodeIssueRtree2(d));
+              });
+            }
+            if (data.entities) {
+              data.entities.forEach((feature3) => {
+                const { point: point2, id: id2, segments, numberOfPasses, turnType } = feature3;
+                const itemId = `${id2.replace(/[,:+#]/g, "_")}`;
+                const loc = preventCoincident([point2.lon, point2.lat], true);
+                const ids = id2.split(",");
+                const from_way = ids[0];
+                const via_node = ids[3];
+                const to_way = ids[2].split(":")[1];
+                let d = new QAItem(loc, this, k, itemId, {
+                  issueKey: k,
+                  identifier: id2,
+                  objectId: via_node,
+                  objectType: "node"
+                });
+                const [p1, p2] = segments[0].points;
+                const dir_of_travel = cardinalDirection(relativeBearing(p1, p2));
+                d.replacements = {
+                  num_passed: numberOfPasses,
+                  num_trips: segments[0].numberOfTrips,
+                  turn_restriction: turnType.toLowerCase(),
+                  from_way: linkEntity("w" + from_way),
+                  to_way: linkEntity("w" + to_way),
+                  travel_direction: dir_of_travel,
+                  junction: linkErrorObject(_t("QA.keepRight.error_parts.this_node"))
+                };
+                _cache2.data[d.id] = d;
+                _cache2.rtree.insert(encodeIssueRtree2(d));
+                dispatch3.call("loaded");
+              });
+            }
+          }).catch(() => {
+            delete _cache2.inflightTile[tile.id][k];
+            if (!Object.keys(_cache2.inflightTile[tile.id]).length) {
+              delete _cache2.inflightTile[tile.id];
+              _cache2.loadedTile[tile.id] = true;
+            }
+          });
+        });
+        _cache2.inflightTile[tile.id] = requests;
+      });
+    },
+    getComments(item) {
+      if (item.comments) {
+        return Promise.resolve(item);
+      }
+      const key = item.issueKey;
+      let qParams = {};
+      if (key === "ow") {
+        qParams = item.identifier;
+      } else if (key === "mr") {
+        qParams.tileX = item.identifier.x;
+        qParams.tileY = item.identifier.y;
+      } else if (key === "tr") {
+        qParams.targetId = item.identifier;
+      }
+      const url = `${_impOsmUrls[key]}/retrieveComments?` + utilQsString(qParams);
+      const cacheComments = (data) => {
+        item.comments = data.comments ? data.comments.reverse() : [];
+        this.replaceItem(item);
+      };
+      return json_default(url).then(cacheComments).then(() => item);
+    },
+    postUpdate(d, callback) {
+      if (!osm_default.authenticated()) {
+        return callback({ message: "Not Authenticated", status: -3 }, d);
+      }
+      if (_cache2.inflightPost[d.id]) {
+        return callback({ message: "Error update already inflight", status: -2 }, d);
+      }
+      osm_default.userDetails(sendPayload.bind(this));
+      function sendPayload(err, user) {
+        if (err) {
+          return callback(err, d);
+        }
+        const key = d.issueKey;
+        const url = `${_impOsmUrls[key]}/comment`;
+        const payload = {
+          username: user.display_name,
+          targetIds: [d.identifier]
+        };
+        if (d.newStatus) {
+          payload.status = d.newStatus;
+          payload.text = "status changed";
+        }
+        if (d.newComment) {
+          payload.text = d.newComment;
+        }
+        const controller = new AbortController();
+        _cache2.inflightPost[d.id] = controller;
+        const options2 = {
+          method: "POST",
+          signal: controller.signal,
+          body: JSON.stringify(payload)
+        };
+        json_default(url, options2).then(() => {
+          delete _cache2.inflightPost[d.id];
+          if (!d.newStatus) {
+            const now3 = /* @__PURE__ */ new Date();
+            let comments = d.comments ? d.comments : [];
+            comments.push({
+              username: payload.username,
+              text: payload.text,
+              timestamp: now3.getTime() / 1e3
+            });
+            this.replaceItem(d.update({
+              comments,
+              newComment: void 0
+            }));
+          } else {
+            this.removeItem(d);
+            if (d.newStatus === "SOLVED") {
+              if (!(d.issueKey in _cache2.closed)) {
+                _cache2.closed[d.issueKey] = 0;
+              }
+              _cache2.closed[d.issueKey] += 1;
+            }
+          }
+          if (callback)
+            callback(null, d);
+        }).catch((err2) => {
+          delete _cache2.inflightPost[d.id];
+          if (callback)
+            callback(err2.message);
+        });
+      }
+    },
+    // Get all cached QAItems covering the viewport
+    getItems(projection2) {
+      const viewport = projection2.clipExtent();
+      const min3 = [viewport[0][0], viewport[1][1]];
+      const max3 = [viewport[1][0], viewport[0][1]];
+      const bbox2 = geoExtent(projection2.invert(min3), projection2.invert(max3)).bbox();
+      return _cache2.rtree.search(bbox2).map((d) => d.data);
+    },
+    // Get a QAItem from cache
+    // NOTE: Don't change method name until UI v3 is merged
+    getError(id2) {
+      return _cache2.data[id2];
+    },
+    // get the name of the icon to display for this item
+    getIcon(itemType) {
+      return _impOsmData.icons[itemType];
+    },
+    // Replace a single QAItem in the cache
+    replaceItem(issue) {
+      if (!(issue instanceof QAItem) || !issue.id)
+        return;
+      _cache2.data[issue.id] = issue;
+      updateRtree2(encodeIssueRtree2(issue), true);
+      return issue;
+    },
+    // Remove a single QAItem from the cache
+    removeItem(issue) {
+      if (!(issue instanceof QAItem) || !issue.id)
+        return;
+      delete _cache2.data[issue.id];
+      updateRtree2(encodeIssueRtree2(issue), false);
+    },
+    // Used to populate `closed:improveosm:*` changeset tags
+    getClosedCounts() {
+      return _cache2.closed;
+    }
+  };
+
+  // modules/services/osmose.js
+  var import_rbush3 = __toESM(require_rbush_min());
+
+  // node_modules/marked/lib/marked.esm.js
+  function getDefaults() {
+    return {
+      async: false,
+      baseUrl: null,
+      breaks: false,
+      extensions: null,
+      gfm: true,
+      headerIds: true,
+      headerPrefix: "",
+      highlight: null,
+      hooks: null,
+      langPrefix: "language-",
+      mangle: true,
+      pedantic: false,
+      renderer: null,
+      sanitize: false,
+      sanitizer: null,
+      silent: false,
+      smartypants: false,
+      tokenizer: null,
+      walkTokens: null,
+      xhtml: false
+    };
+  }
+  var defaults = getDefaults();
+  function changeDefaults(newDefaults) {
+    defaults = newDefaults;
+  }
+  var escapeTest = /[&<>"']/;
+  var escapeReplace = new RegExp(escapeTest.source, "g");
+  var escapeTestNoEncode = /[<>"']|&(?!(#\d{1,7}|#[Xx][a-fA-F0-9]{1,6}|\w+);)/;
+  var escapeReplaceNoEncode = new RegExp(escapeTestNoEncode.source, "g");
+  var escapeReplacements = {
+    "&": "&amp;",
+    "<": "&lt;",
+    ">": "&gt;",
+    '"': "&quot;",
+    "'": "&#39;"
+  };
+  var getEscapeReplacement = (ch) => escapeReplacements[ch];
+  function escape4(html2, encode) {
+    if (encode) {
+      if (escapeTest.test(html2)) {
+        return html2.replace(escapeReplace, getEscapeReplacement);
+      }
+    } else {
+      if (escapeTestNoEncode.test(html2)) {
+        return html2.replace(escapeReplaceNoEncode, getEscapeReplacement);
+      }
+    }
+    return html2;
+  }
+  var unescapeTest = /&(#(?:\d+)|(?:#x[0-9A-Fa-f]+)|(?:\w+));?/ig;
+  function unescape3(html2) {
+    return html2.replace(unescapeTest, (_, n2) => {
+      n2 = n2.toLowerCase();
+      if (n2 === "colon")
+        return ":";
+      if (n2.charAt(0) === "#") {
+        return n2.charAt(1) === "x" ? String.fromCharCode(parseInt(n2.substring(2), 16)) : String.fromCharCode(+n2.substring(1));
+      }
+      return "";
+    });
+  }
+  var caret = /(^|[^\[])\^/g;
+  function edit(regex, opt) {
+    regex = typeof regex === "string" ? regex : regex.source;
+    opt = opt || "";
+    const obj = {
+      replace: (name, val) => {
+        val = val.source || val;
+        val = val.replace(caret, "$1");
+        regex = regex.replace(name, val);
+        return obj;
+      },
+      getRegex: () => {
+        return new RegExp(regex, opt);
+      }
+    };
+    return obj;
+  }
+  var nonWordAndColonTest = /[^\w:]/g;
+  var originIndependentUrl = /^$|^[a-z][a-z0-9+.-]*:|^[?#]/i;
+  function cleanUrl(sanitize, base, href) {
+    if (sanitize) {
+      let prot;
+      try {
+        prot = decodeURIComponent(unescape3(href)).replace(nonWordAndColonTest, "").toLowerCase();
+      } catch (e) {
+        return null;
+      }
+      if (prot.indexOf("javascript:") === 0 || prot.indexOf("vbscript:") === 0 || prot.indexOf("data:") === 0) {
+        return null;
+      }
+    }
+    if (base && !originIndependentUrl.test(href)) {
+      href = resolveUrl(base, href);
+    }
+    try {
+      href = encodeURI(href).replace(/%25/g, "%");
+    } catch (e) {
+      return null;
+    }
+    return href;
+  }
+  var baseUrls = {};
+  var justDomain = /^[^:]+:\/*[^/]*$/;
+  var protocol = /^([^:]+:)[\s\S]*$/;
+  var domain = /^([^:]+:\/*[^/]*)[\s\S]*$/;
+  function resolveUrl(base, href) {
+    if (!baseUrls[" " + base]) {
+      if (justDomain.test(base)) {
+        baseUrls[" " + base] = base + "/";
+      } else {
+        baseUrls[" " + base] = rtrim(base, "/", true);
+      }
+    }
+    base = baseUrls[" " + base];
+    const relativeBase = base.indexOf(":") === -1;
+    if (href.substring(0, 2) === "//") {
+      if (relativeBase) {
+        return href;
+      }
+      return base.replace(protocol, "$1") + href;
+    } else if (href.charAt(0) === "/") {
+      if (relativeBase) {
+        return href;
+      }
+      return base.replace(domain, "$1") + href;
+    } else {
+      return base + href;
+    }
+  }
+  var noopTest = { exec: function noopTest2() {
+  } };
+  function splitCells(tableRow, count) {
+    const row = tableRow.replace(/\|/g, (match, offset, str2) => {
+      let escaped = false, curr = offset;
+      while (--curr >= 0 && str2[curr] === "\\")
+        escaped = !escaped;
+      if (escaped) {
+        return "|";
+      } else {
+        return " |";
+      }
+    }), cells = row.split(/ \|/);
+    let i2 = 0;
+    if (!cells[0].trim()) {
+      cells.shift();
+    }
+    if (cells.length > 0 && !cells[cells.length - 1].trim()) {
+      cells.pop();
+    }
+    if (cells.length > count) {
+      cells.splice(count);
+    } else {
+      while (cells.length < count)
+        cells.push("");
+    }
+    for (; i2 < cells.length; i2++) {
+      cells[i2] = cells[i2].trim().replace(/\\\|/g, "|");
+    }
+    return cells;
+  }
+  function rtrim(str2, c, invert) {
+    const l = str2.length;
+    if (l === 0) {
+      return "";
+    }
+    let suffLen = 0;
+    while (suffLen < l) {
+      const currChar = str2.charAt(l - suffLen - 1);
+      if (currChar === c && !invert) {
+        suffLen++;
+      } else if (currChar !== c && invert) {
+        suffLen++;
+      } else {
+        break;
+      }
+    }
+    return str2.slice(0, l - suffLen);
+  }
+  function findClosingBracket(str2, b) {
+    if (str2.indexOf(b[1]) === -1) {
+      return -1;
+    }
+    const l = str2.length;
+    let level = 0, i2 = 0;
+    for (; i2 < l; i2++) {
+      if (str2[i2] === "\\") {
+        i2++;
+      } else if (str2[i2] === b[0]) {
+        level++;
+      } else if (str2[i2] === b[1]) {
+        level--;
+        if (level < 0) {
+          return i2;
+        }
+      }
+    }
+    return -1;
+  }
+  function checkDeprecations(opt, callback) {
+    if (!opt || opt.silent) {
+      return;
+    }
+    if (callback) {
+      console.warn("marked(): callback is deprecated since version 5.0.0, should not be used and will be removed in the future. Read more here: https://marked.js.org/using_pro#async");
+    }
+    if (opt.sanitize || opt.sanitizer) {
+      console.warn("marked(): sanitize and sanitizer parameters are deprecated since version 0.7.0, should not be used and will be removed in the future. Read more here: https://marked.js.org/#/USING_ADVANCED.md#options");
+    }
+    if (opt.highlight || opt.langPrefix !== "language-") {
+      console.warn("marked(): highlight and langPrefix parameters are deprecated since version 5.0.0, should not be used and will be removed in the future. Instead use https://www.npmjs.com/package/marked-highlight.");
+    }
+    if (opt.mangle) {
+      console.warn("marked(): mangle parameter is enabled by default, but is deprecated since version 5.0.0, and will be removed in the future. To clear this warning, install https://www.npmjs.com/package/marked-mangle, or disable by setting `{mangle: false}`.");
+    }
+    if (opt.baseUrl) {
+      console.warn("marked(): baseUrl parameter is deprecated since version 5.0.0, should not be used and will be removed in the future. Instead use https://www.npmjs.com/package/marked-base-url.");
+    }
+    if (opt.smartypants) {
+      console.warn("marked(): smartypants parameter is deprecated since version 5.0.0, should not be used and will be removed in the future. Instead use https://www.npmjs.com/package/marked-smartypants.");
+    }
+    if (opt.xhtml) {
+      console.warn("marked(): xhtml parameter is deprecated since version 5.0.0, should not be used and will be removed in the future. Instead use https://www.npmjs.com/package/marked-xhtml.");
+    }
+    if (opt.headerIds || opt.headerPrefix) {
+      console.warn("marked(): headerIds and headerPrefix parameters enabled by default, but are deprecated since version 5.0.0, and will be removed in the future. To clear this warning, install  https://www.npmjs.com/package/marked-gfm-heading-id, or disable by setting `{headerIds: false}`.");
+    }
+  }
+  function outputLink(cap, link2, raw, lexer2) {
+    const href = link2.href;
+    const title = link2.title ? escape4(link2.title) : null;
+    const text2 = cap[1].replace(/\\([\[\]])/g, "$1");
+    if (cap[0].charAt(0) !== "!") {
+      lexer2.state.inLink = true;
+      const token = {
+        type: "link",
+        raw,
+        href,
+        title,
+        text: text2,
+        tokens: lexer2.inlineTokens(text2)
+      };
+      lexer2.state.inLink = false;
+      return token;
+    }
+    return {
+      type: "image",
+      raw,
+      href,
+      title,
+      text: escape4(text2)
+    };
+  }
+  function indentCodeCompensation(raw, text2) {
+    const matchIndentToCode = raw.match(/^(\s+)(?:```)/);
+    if (matchIndentToCode === null) {
+      return text2;
+    }
+    const indentToCode = matchIndentToCode[1];
+    return text2.split("\n").map((node) => {
+      const matchIndentInNode = node.match(/^\s+/);
+      if (matchIndentInNode === null) {
+        return node;
+      }
+      const [indentInNode] = matchIndentInNode;
+      if (indentInNode.length >= indentToCode.length) {
+        return node.slice(indentToCode.length);
+      }
+      return node;
+    }).join("\n");
+  }
+  var Tokenizer = class {
+    constructor(options2) {
+      this.options = options2 || defaults;
+    }
+    space(src) {
+      const cap = this.rules.block.newline.exec(src);
+      if (cap && cap[0].length > 0) {
+        return {
+          type: "space",
+          raw: cap[0]
+        };
+      }
+    }
+    code(src) {
+      const cap = this.rules.block.code.exec(src);
+      if (cap) {
+        const text2 = cap[0].replace(/^ {1,4}/gm, "");
+        return {
+          type: "code",
+          raw: cap[0],
+          codeBlockStyle: "indented",
+          text: !this.options.pedantic ? rtrim(text2, "\n") : text2
+        };
+      }
+    }
+    fences(src) {
+      const cap = this.rules.block.fences.exec(src);
+      if (cap) {
+        const raw = cap[0];
+        const text2 = indentCodeCompensation(raw, cap[3] || "");
+        return {
+          type: "code",
+          raw,
+          lang: cap[2] ? cap[2].trim().replace(this.rules.inline._escapes, "$1") : cap[2],
+          text: text2
+        };
+      }
+    }
+    heading(src) {
+      const cap = this.rules.block.heading.exec(src);
+      if (cap) {
+        let text2 = cap[2].trim();
+        if (/#$/.test(text2)) {
+          const trimmed = rtrim(text2, "#");
+          if (this.options.pedantic) {
+            text2 = trimmed.trim();
+          } else if (!trimmed || / $/.test(trimmed)) {
+            text2 = trimmed.trim();
+          }
+        }
+        return {
+          type: "heading",
+          raw: cap[0],
+          depth: cap[1].length,
+          text: text2,
+          tokens: this.lexer.inline(text2)
+        };
+      }
+    }
+    hr(src) {
+      const cap = this.rules.block.hr.exec(src);
+      if (cap) {
+        return {
+          type: "hr",
+          raw: cap[0]
+        };
+      }
+    }
+    blockquote(src) {
+      const cap = this.rules.block.blockquote.exec(src);
+      if (cap) {
+        const text2 = cap[0].replace(/^ *>[ \t]?/gm, "");
+        const top = this.lexer.state.top;
+        this.lexer.state.top = true;
+        const tokens = this.lexer.blockTokens(text2);
+        this.lexer.state.top = top;
+        return {
+          type: "blockquote",
+          raw: cap[0],
+          tokens,
+          text: text2
+        };
+      }
+    }
+    list(src) {
+      let cap = this.rules.block.list.exec(src);
+      if (cap) {
+        let raw, istask, ischecked, indent2, i2, blankLine, endsWithBlankLine, line, nextLine, rawLine, itemContents, endEarly;
+        let bull = cap[1].trim();
+        const isordered = bull.length > 1;
+        const list = {
+          type: "list",
+          raw: "",
+          ordered: isordered,
+          start: isordered ? +bull.slice(0, -1) : "",
+          loose: false,
+          items: []
+        };
+        bull = isordered ? `\\d{1,9}\\${bull.slice(-1)}` : `\\${bull}`;
+        if (this.options.pedantic) {
+          bull = isordered ? bull : "[*+-]";
+        }
+        const itemRegex = new RegExp(`^( {0,3}${bull})((?:[	 ][^\\n]*)?(?:\\n|$))`);
+        while (src) {
+          endEarly = false;
+          if (!(cap = itemRegex.exec(src))) {
+            break;
+          }
+          if (this.rules.block.hr.test(src)) {
+            break;
+          }
+          raw = cap[0];
+          src = src.substring(raw.length);
+          line = cap[2].split("\n", 1)[0].replace(/^\t+/, (t) => " ".repeat(3 * t.length));
+          nextLine = src.split("\n", 1)[0];
+          if (this.options.pedantic) {
+            indent2 = 2;
+            itemContents = line.trimLeft();
+          } else {
+            indent2 = cap[2].search(/[^ ]/);
+            indent2 = indent2 > 4 ? 1 : indent2;
+            itemContents = line.slice(indent2);
+            indent2 += cap[1].length;
+          }
+          blankLine = false;
+          if (!line && /^ *$/.test(nextLine)) {
+            raw += nextLine + "\n";
+            src = src.substring(nextLine.length + 1);
+            endEarly = true;
+          }
+          if (!endEarly) {
+            const nextBulletRegex = new RegExp(`^ {0,${Math.min(3, indent2 - 1)}}(?:[*+-]|\\d{1,9}[.)])((?:[ 	][^\\n]*)?(?:\\n|$))`);
+            const hrRegex = new RegExp(`^ {0,${Math.min(3, indent2 - 1)}}((?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$)`);
+            const fencesBeginRegex = new RegExp(`^ {0,${Math.min(3, indent2 - 1)}}(?:\`\`\`|~~~)`);
+            const headingBeginRegex = new RegExp(`^ {0,${Math.min(3, indent2 - 1)}}#`);
+            while (src) {
+              rawLine = src.split("\n", 1)[0];
+              nextLine = rawLine;
+              if (this.options.pedantic) {
+                nextLine = nextLine.replace(/^ {1,4}(?=( {4})*[^ ])/g, "  ");
+              }
+              if (fencesBeginRegex.test(nextLine)) {
+                break;
+              }
+              if (headingBeginRegex.test(nextLine)) {
+                break;
+              }
+              if (nextBulletRegex.test(nextLine)) {
+                break;
+              }
+              if (hrRegex.test(src)) {
+                break;
+              }
+              if (nextLine.search(/[^ ]/) >= indent2 || !nextLine.trim()) {
+                itemContents += "\n" + nextLine.slice(indent2);
+              } else {
+                if (blankLine) {
+                  break;
+                }
+                if (line.search(/[^ ]/) >= 4) {
+                  break;
+                }
+                if (fencesBeginRegex.test(line)) {
+                  break;
+                }
+                if (headingBeginRegex.test(line)) {
+                  break;
+                }
+                if (hrRegex.test(line)) {
+                  break;
+                }
+                itemContents += "\n" + nextLine;
+              }
+              if (!blankLine && !nextLine.trim()) {
+                blankLine = true;
+              }
+              raw += rawLine + "\n";
+              src = src.substring(rawLine.length + 1);
+              line = nextLine.slice(indent2);
+            }
+          }
+          if (!list.loose) {
+            if (endsWithBlankLine) {
+              list.loose = true;
+            } else if (/\n *\n *$/.test(raw)) {
+              endsWithBlankLine = true;
+            }
+          }
+          if (this.options.gfm) {
+            istask = /^\[[ xX]\] /.exec(itemContents);
+            if (istask) {
+              ischecked = istask[0] !== "[ ] ";
+              itemContents = itemContents.replace(/^\[[ xX]\] +/, "");
+            }
+          }
+          list.items.push({
+            type: "list_item",
+            raw,
+            task: !!istask,
+            checked: ischecked,
+            loose: false,
+            text: itemContents
+          });
+          list.raw += raw;
+        }
+        list.items[list.items.length - 1].raw = raw.trimRight();
+        list.items[list.items.length - 1].text = itemContents.trimRight();
+        list.raw = list.raw.trimRight();
+        const l = list.items.length;
+        for (i2 = 0; i2 < l; i2++) {
+          this.lexer.state.top = false;
+          list.items[i2].tokens = this.lexer.blockTokens(list.items[i2].text, []);
+          if (!list.loose) {
+            const spacers = list.items[i2].tokens.filter((t) => t.type === "space");
+            const hasMultipleLineBreaks = spacers.length > 0 && spacers.some((t) => /\n.*\n/.test(t.raw));
+            list.loose = hasMultipleLineBreaks;
+          }
+        }
+        if (list.loose) {
+          for (i2 = 0; i2 < l; i2++) {
+            list.items[i2].loose = true;
+          }
+        }
+        return list;
+      }
+    }
+    html(src) {
+      const cap = this.rules.block.html.exec(src);
+      if (cap) {
+        const token = {
+          type: "html",
+          block: true,
+          raw: cap[0],
+          pre: !this.options.sanitizer && (cap[1] === "pre" || cap[1] === "script" || cap[1] === "style"),
+          text: cap[0]
+        };
+        if (this.options.sanitize) {
+          const text2 = this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape4(cap[0]);
+          token.type = "paragraph";
+          token.text = text2;
+          token.tokens = this.lexer.inline(text2);
+        }
+        return token;
+      }
+    }
+    def(src) {
+      const cap = this.rules.block.def.exec(src);
+      if (cap) {
+        const tag = cap[1].toLowerCase().replace(/\s+/g, " ");
+        const href = cap[2] ? cap[2].replace(/^<(.*)>$/, "$1").replace(this.rules.inline._escapes, "$1") : "";
+        const title = cap[3] ? cap[3].substring(1, cap[3].length - 1).replace(this.rules.inline._escapes, "$1") : cap[3];
+        return {
+          type: "def",
+          tag,
+          raw: cap[0],
+          href,
+          title
+        };
+      }
+    }
+    table(src) {
+      const cap = this.rules.block.table.exec(src);
+      if (cap) {
+        const item = {
+          type: "table",
+          header: splitCells(cap[1]).map((c) => {
+            return { text: c };
+          }),
+          align: cap[2].replace(/^ *|\| *$/g, "").split(/ *\| */),
+          rows: cap[3] && cap[3].trim() ? cap[3].replace(/\n[ \t]*$/, "").split("\n") : []
+        };
+        if (item.header.length === item.align.length) {
+          item.raw = cap[0];
+          let l = item.align.length;
+          let i2, j2, k, row;
+          for (i2 = 0; i2 < l; i2++) {
+            if (/^ *-+: *$/.test(item.align[i2])) {
+              item.align[i2] = "right";
+            } else if (/^ *:-+: *$/.test(item.align[i2])) {
+              item.align[i2] = "center";
+            } else if (/^ *:-+ *$/.test(item.align[i2])) {
+              item.align[i2] = "left";
+            } else {
+              item.align[i2] = null;
+            }
+          }
+          l = item.rows.length;
+          for (i2 = 0; i2 < l; i2++) {
+            item.rows[i2] = splitCells(item.rows[i2], item.header.length).map((c) => {
+              return { text: c };
+            });
+          }
+          l = item.header.length;
+          for (j2 = 0; j2 < l; j2++) {
+            item.header[j2].tokens = this.lexer.inline(item.header[j2].text);
+          }
+          l = item.rows.length;
+          for (j2 = 0; j2 < l; j2++) {
+            row = item.rows[j2];
+            for (k = 0; k < row.length; k++) {
+              row[k].tokens = this.lexer.inline(row[k].text);
+            }
+          }
+          return item;
+        }
+      }
+    }
+    lheading(src) {
+      const cap = this.rules.block.lheading.exec(src);
+      if (cap) {
+        return {
+          type: "heading",
+          raw: cap[0],
+          depth: cap[2].charAt(0) === "=" ? 1 : 2,
+          text: cap[1],
+          tokens: this.lexer.inline(cap[1])
+        };
+      }
+    }
+    paragraph(src) {
+      const cap = this.rules.block.paragraph.exec(src);
+      if (cap) {
+        const text2 = cap[1].charAt(cap[1].length - 1) === "\n" ? cap[1].slice(0, -1) : cap[1];
+        return {
+          type: "paragraph",
+          raw: cap[0],
+          text: text2,
+          tokens: this.lexer.inline(text2)
+        };
+      }
+    }
+    text(src) {
+      const cap = this.rules.block.text.exec(src);
+      if (cap) {
+        return {
+          type: "text",
+          raw: cap[0],
+          text: cap[0],
+          tokens: this.lexer.inline(cap[0])
+        };
+      }
+    }
+    escape(src) {
+      const cap = this.rules.inline.escape.exec(src);
+      if (cap) {
+        return {
+          type: "escape",
+          raw: cap[0],
+          text: escape4(cap[1])
+        };
+      }
+    }
+    tag(src) {
+      const cap = this.rules.inline.tag.exec(src);
+      if (cap) {
+        if (!this.lexer.state.inLink && /^<a /i.test(cap[0])) {
+          this.lexer.state.inLink = true;
+        } else if (this.lexer.state.inLink && /^<\/a>/i.test(cap[0])) {
+          this.lexer.state.inLink = false;
+        }
+        if (!this.lexer.state.inRawBlock && /^<(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
+          this.lexer.state.inRawBlock = true;
+        } else if (this.lexer.state.inRawBlock && /^<\/(pre|code|kbd|script)(\s|>)/i.test(cap[0])) {
+          this.lexer.state.inRawBlock = false;
+        }
+        return {
+          type: this.options.sanitize ? "text" : "html",
+          raw: cap[0],
+          inLink: this.lexer.state.inLink,
+          inRawBlock: this.lexer.state.inRawBlock,
+          block: false,
+          text: this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape4(cap[0]) : cap[0]
+        };
+      }
+    }
+    link(src) {
+      const cap = this.rules.inline.link.exec(src);
+      if (cap) {
+        const trimmedUrl = cap[2].trim();
+        if (!this.options.pedantic && /^</.test(trimmedUrl)) {
+          if (!/>$/.test(trimmedUrl)) {
+            return;
+          }
+          const rtrimSlash = rtrim(trimmedUrl.slice(0, -1), "\\");
+          if ((trimmedUrl.length - rtrimSlash.length) % 2 === 0) {
+            return;
+          }
+        } else {
+          const lastParenIndex = findClosingBracket(cap[2], "()");
+          if (lastParenIndex > -1) {
+            const start2 = cap[0].indexOf("!") === 0 ? 5 : 4;
+            const linkLen = start2 + cap[1].length + lastParenIndex;
+            cap[2] = cap[2].substring(0, lastParenIndex);
+            cap[0] = cap[0].substring(0, linkLen).trim();
+            cap[3] = "";
+          }
+        }
+        let href = cap[2];
+        let title = "";
+        if (this.options.pedantic) {
+          const link2 = /^([^'"]*[^\s])\s+(['"])(.*)\2/.exec(href);
+          if (link2) {
+            href = link2[1];
+            title = link2[3];
+          }
+        } else {
+          title = cap[3] ? cap[3].slice(1, -1) : "";
+        }
+        href = href.trim();
+        if (/^</.test(href)) {
+          if (this.options.pedantic && !/>$/.test(trimmedUrl)) {
+            href = href.slice(1);
+          } else {
+            href = href.slice(1, -1);
+          }
+        }
+        return outputLink(cap, {
+          href: href ? href.replace(this.rules.inline._escapes, "$1") : href,
+          title: title ? title.replace(this.rules.inline._escapes, "$1") : title
+        }, cap[0], this.lexer);
+      }
+    }
+    reflink(src, links) {
+      let cap;
+      if ((cap = this.rules.inline.reflink.exec(src)) || (cap = this.rules.inline.nolink.exec(src))) {
+        let link2 = (cap[2] || cap[1]).replace(/\s+/g, " ");
+        link2 = links[link2.toLowerCase()];
+        if (!link2) {
+          const text2 = cap[0].charAt(0);
+          return {
+            type: "text",
+            raw: text2,
+            text: text2
+          };
+        }
+        return outputLink(cap, link2, cap[0], this.lexer);
+      }
+    }
+    emStrong(src, maskedSrc, prevChar = "") {
+      let match = this.rules.inline.emStrong.lDelim.exec(src);
+      if (!match)
+        return;
+      if (match[3] && prevChar.match(/[\p{L}\p{N}]/u))
+        return;
+      const nextChar = match[1] || match[2] || "";
+      if (!nextChar || !prevChar || this.rules.inline.punctuation.exec(prevChar)) {
+        const lLength = match[0].length - 1;
+        let rDelim, rLength, delimTotal = lLength, midDelimTotal = 0;
+        const endReg = match[0][0] === "*" ? this.rules.inline.emStrong.rDelimAst : this.rules.inline.emStrong.rDelimUnd;
+        endReg.lastIndex = 0;
+        maskedSrc = maskedSrc.slice(-1 * src.length + lLength);
+        while ((match = endReg.exec(maskedSrc)) != null) {
+          rDelim = match[1] || match[2] || match[3] || match[4] || match[5] || match[6];
+          if (!rDelim)
+            continue;
+          rLength = rDelim.length;
+          if (match[3] || match[4]) {
+            delimTotal += rLength;
+            continue;
+          } else if (match[5] || match[6]) {
+            if (lLength % 3 && !((lLength + rLength) % 3)) {
+              midDelimTotal += rLength;
+              continue;
+            }
+          }
+          delimTotal -= rLength;
+          if (delimTotal > 0)
+            continue;
+          rLength = Math.min(rLength, rLength + delimTotal + midDelimTotal);
+          const raw = src.slice(0, lLength + match.index + rLength + 1);
+          if (Math.min(lLength, rLength) % 2) {
+            const text3 = raw.slice(1, -1);
+            return {
+              type: "em",
+              raw,
+              text: text3,
+              tokens: this.lexer.inlineTokens(text3)
+            };
+          }
+          const text2 = raw.slice(2, -2);
+          return {
+            type: "strong",
+            raw,
+            text: text2,
+            tokens: this.lexer.inlineTokens(text2)
+          };
+        }
+      }
+    }
+    codespan(src) {
+      const cap = this.rules.inline.code.exec(src);
+      if (cap) {
+        let text2 = cap[2].replace(/\n/g, " ");
+        const hasNonSpaceChars = /[^ ]/.test(text2);
+        const hasSpaceCharsOnBothEnds = /^ /.test(text2) && / $/.test(text2);
+        if (hasNonSpaceChars && hasSpaceCharsOnBothEnds) {
+          text2 = text2.substring(1, text2.length - 1);
+        }
+        text2 = escape4(text2, true);
+        return {
+          type: "codespan",
+          raw: cap[0],
+          text: text2
+        };
+      }
+    }
+    br(src) {
+      const cap = this.rules.inline.br.exec(src);
+      if (cap) {
+        return {
+          type: "br",
+          raw: cap[0]
+        };
+      }
+    }
+    del(src) {
+      const cap = this.rules.inline.del.exec(src);
+      if (cap) {
+        return {
+          type: "del",
+          raw: cap[0],
+          text: cap[2],
+          tokens: this.lexer.inlineTokens(cap[2])
+        };
+      }
+    }
+    autolink(src, mangle2) {
+      const cap = this.rules.inline.autolink.exec(src);
+      if (cap) {
+        let text2, href;
+        if (cap[2] === "@") {
+          text2 = escape4(this.options.mangle ? mangle2(cap[1]) : cap[1]);
+          href = "mailto:" + text2;
+        } else {
+          text2 = escape4(cap[1]);
+          href = text2;
+        }
+        return {
+          type: "link",
+          raw: cap[0],
+          text: text2,
+          href,
+          tokens: [
+            {
+              type: "text",
+              raw: text2,
+              text: text2
+            }
+          ]
+        };
+      }
+    }
+    url(src, mangle2) {
+      let cap;
+      if (cap = this.rules.inline.url.exec(src)) {
+        let text2, href;
+        if (cap[2] === "@") {
+          text2 = escape4(this.options.mangle ? mangle2(cap[0]) : cap[0]);
+          href = "mailto:" + text2;
+        } else {
+          let prevCapZero;
+          do {
+            prevCapZero = cap[0];
+            cap[0] = this.rules.inline._backpedal.exec(cap[0])[0];
+          } while (prevCapZero !== cap[0]);
+          text2 = escape4(cap[0]);
+          if (cap[1] === "www.") {
+            href = "http://" + cap[0];
+          } else {
+            href = cap[0];
+          }
+        }
+        return {
+          type: "link",
+          raw: cap[0],
+          text: text2,
+          href,
+          tokens: [
+            {
+              type: "text",
+              raw: text2,
+              text: text2
+            }
+          ]
+        };
+      }
+    }
+    inlineText(src, smartypants2) {
+      const cap = this.rules.inline.text.exec(src);
+      if (cap) {
+        let text2;
+        if (this.lexer.state.inRawBlock) {
+          text2 = this.options.sanitize ? this.options.sanitizer ? this.options.sanitizer(cap[0]) : escape4(cap[0]) : cap[0];
+        } else {
+          text2 = escape4(this.options.smartypants ? smartypants2(cap[0]) : cap[0]);
+        }
+        return {
+          type: "text",
+          raw: cap[0],
+          text: text2
+        };
+      }
+    }
+  };
+  var block = {
+    newline: /^(?: *(?:\n|$))+/,
+    code: /^( {4}[^\n]+(?:\n(?: *(?:\n|$))*)?)+/,
+    fences: /^ {0,3}(`{3,}(?=[^`\n]*(?:\n|$))|~{3,})([^\n]*)(?:\n|$)(?:|([\s\S]*?)(?:\n|$))(?: {0,3}\1[~`]* *(?=\n|$)|$)/,
+    hr: /^ {0,3}((?:-[\t ]*){3,}|(?:_[ \t]*){3,}|(?:\*[ \t]*){3,})(?:\n+|$)/,
+    heading: /^ {0,3}(#{1,6})(?=\s|$)(.*)(?:\n+|$)/,
+    blockquote: /^( {0,3}> ?(paragraph|[^\n]*)(?:\n|$))+/,
+    list: /^( {0,3}bull)([ \t][^\n]+?)?(?:\n|$)/,
+    html: "^ {0,3}(?:<(script|pre|style|textarea)[\\s>][\\s\\S]*?(?:</\\1>[^\\n]*\\n+|$)|comment[^\\n]*(\\n+|$)|<\\?[\\s\\S]*?(?:\\?>\\n*|$)|<![A-Z][\\s\\S]*?(?:>\\n*|$)|<!\\[CDATA\\[[\\s\\S]*?(?:\\]\\]>\\n*|$)|</?(tag)(?: +|\\n|/?>)[\\s\\S]*?(?:(?:\\n *)+\\n|$)|<(?!script|pre|style|textarea)([a-z][\\w-]*)(?:attribute)*? */?>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$)|</(?!script|pre|style|textarea)[a-z][\\w-]*\\s*>(?=[ \\t]*(?:\\n|$))[\\s\\S]*?(?:(?:\\n *)+\\n|$))",
+    def: /^ {0,3}\[(label)\]: *(?:\n *)?([^<\s][^\s]*|<.*?>)(?:(?: +(?:\n *)?| *\n *)(title))? *(?:\n+|$)/,
+    table: noopTest,
+    lheading: /^((?:(?!^bull ).|\n(?!\n|bull ))+?)\n {0,3}(=+|-+) *(?:\n+|$)/,
+    // regex template, placeholders will be replaced according to different paragraph
+    // interruption rules of commonmark and the original markdown spec:
+    _paragraph: /^([^\n]+(?:\n(?!hr|heading|lheading|blockquote|fences|list|html|table| +\n)[^\n]+)*)/,
+    text: /^[^\n]+/
+  };
+  block._label = /(?!\s*\])(?:\\.|[^\[\]\\])+/;
+  block._title = /(?:"(?:\\"?|[^"\\])*"|'[^'\n]*(?:\n[^'\n]+)*\n?'|\([^()]*\))/;
+  block.def = edit(block.def).replace("label", block._label).replace("title", block._title).getRegex();
+  block.bullet = /(?:[*+-]|\d{1,9}[.)])/;
+  block.listItemStart = edit(/^( *)(bull) */).replace("bull", block.bullet).getRegex();
+  block.list = edit(block.list).replace(/bull/g, block.bullet).replace("hr", "\\n+(?=\\1?(?:(?:- *){3,}|(?:_ *){3,}|(?:\\* *){3,})(?:\\n+|$))").replace("def", "\\n+(?=" + block.def.source + ")").getRegex();
+  block._tag = "address|article|aside|base|basefont|blockquote|body|caption|center|col|colgroup|dd|details|dialog|dir|div|dl|dt|fieldset|figcaption|figure|footer|form|frame|frameset|h[1-6]|head|header|hr|html|iframe|legend|li|link|main|menu|menuitem|meta|nav|noframes|ol|optgroup|option|p|param|section|source|summary|table|tbody|td|tfoot|th|thead|title|tr|track|ul";
+  block._comment = /<!--(?!-?>)[\s\S]*?(?:-->|$)/;
+  block.html = edit(block.html, "i").replace("comment", block._comment).replace("tag", block._tag).replace("attribute", / +[a-zA-Z:_][\w.:-]*(?: *= *"[^"\n]*"| *= *'[^'\n]*'| *= *[^\s"'=<>`]+)?/).getRegex();
+  block.lheading = edit(block.lheading).replace(/bull/g, block.bullet).getRegex();
+  block.paragraph = edit(block._paragraph).replace("hr", block.hr).replace("heading", " {0,3}#{1,6} ").replace("|lheading", "").replace("|table", "").replace("blockquote", " {0,3}>").replace("fences", " {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list", " {0,3}(?:[*+-]|1[.)]) ").replace("html", "</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag", block._tag).getRegex();
+  block.blockquote = edit(block.blockquote).replace("paragraph", block.paragraph).getRegex();
+  block.normal = { ...block };
+  block.gfm = {
+    ...block.normal,
+    table: "^ *([^\\n ].*\\|.*)\\n {0,3}(?:\\| *)?(:?-+:? *(?:\\| *:?-+:? *)*)(?:\\| *)?(?:\\n((?:(?! *\\n|hr|heading|blockquote|code|fences|list|html).*(?:\\n|$))*)\\n*|$)"
+    // Cells
+  };
+  block.gfm.table = edit(block.gfm.table).replace("hr", block.hr).replace("heading", " {0,3}#{1,6} ").replace("blockquote", " {0,3}>").replace("code", " {4}[^\\n]").replace("fences", " {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list", " {0,3}(?:[*+-]|1[.)]) ").replace("html", "</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag", block._tag).getRegex();
+  block.gfm.paragraph = edit(block._paragraph).replace("hr", block.hr).replace("heading", " {0,3}#{1,6} ").replace("|lheading", "").replace("table", block.gfm.table).replace("blockquote", " {0,3}>").replace("fences", " {0,3}(?:`{3,}(?=[^`\\n]*\\n)|~{3,})[^\\n]*\\n").replace("list", " {0,3}(?:[*+-]|1[.)]) ").replace("html", "</?(?:tag)(?: +|\\n|/?>)|<(?:script|pre|style|textarea|!--)").replace("tag", block._tag).getRegex();
+  block.pedantic = {
+    ...block.normal,
+    html: edit(
+      `^ *(?:comment *(?:\\n|\\s*$)|<(tag)[\\s\\S]+?</\\1> *(?:\\n{2,}|\\s*$)|<tag(?:"[^"]*"|'[^']*'|\\s[^'"/>\\s]*)*?/?> *(?:\\n{2,}|\\s*$))`
+    ).replace("comment", block._comment).replace(/tag/g, "(?!(?:a|em|strong|small|s|cite|q|dfn|abbr|data|time|code|var|samp|kbd|sub|sup|i|b|u|mark|ruby|rt|rp|bdi|bdo|span|br|wbr|ins|del|img)\\b)\\w+(?!:|[^\\w\\s@]*@)\\b").getRegex(),
+    def: /^ *\[([^\]]+)\]: *<?([^\s>]+)>?(?: +(["(][^\n]+[")]))? *(?:\n+|$)/,
+    heading: /^(#{1,6})(.*)(?:\n+|$)/,
+    fences: noopTest,
+    // fences not supported
+    lheading: /^(.+?)\n {0,3}(=+|-+) *(?:\n+|$)/,
+    paragraph: edit(block.normal._paragraph).replace("hr", block.hr).replace("heading", " *#{1,6} *[^\n]").replace("lheading", block.lheading).replace("blockquote", " {0,3}>").replace("|fences", "").replace("|list", "").replace("|html", "").getRegex()
+  };
+  var inline = {
+    escape: /^\\([!"#$%&'()*+,\-./:;<=>?@\[\]\\^_`{|}~])/,
+    autolink: /^<(scheme:[^\s\x00-\x1f<>]*|email)>/,
+    url: noopTest,
+    tag: "^comment|^</[a-zA-Z][\\w:-]*\\s*>|^<[a-zA-Z][\\w-]*(?:attribute)*?\\s*/?>|^<\\?[\\s\\S]*?\\?>|^<![a-zA-Z]+\\s[\\s\\S]*?>|^<!\\[CDATA\\[[\\s\\S]*?\\]\\]>",
+    // CDATA section
+    link: /^!?\[(label)\]\(\s*(href)(?:\s+(title))?\s*\)/,
+    reflink: /^!?\[(label)\]\[(ref)\]/,
+    nolink: /^!?\[(ref)\](?:\[\])?/,
+    reflinkSearch: "reflink|nolink(?!\\()",
+    emStrong: {
+      lDelim: /^(?:\*+(?:((?!\*)[punct])|[^\s*]))|^_+(?:((?!_)[punct])|([^\s_]))/,
+      //         (1) and (2) can only be a Right Delimiter. (3) and (4) can only be Left.  (5) and (6) can be either Left or Right.
+      //         | Skip orphan inside strong      | Consume to delim | (1) #***              | (2) a***#, a***                    | (3) #***a, ***a                  | (4) ***#                 | (5) #***#                         | (6) a***a
+      rDelimAst: /^[^_*]*?__[^_*]*?\*[^_*]*?(?=__)|[^*]+(?=[^*])|(?!\*)[punct](\*+)(?=[\s]|$)|[^punct\s](\*+)(?!\*)(?=[punct\s]|$)|(?!\*)[punct\s](\*+)(?=[^punct\s])|[\s](\*+)(?!\*)(?=[punct])|(?!\*)[punct](\*+)(?!\*)(?=[punct])|[^punct\s](\*+)(?=[^punct\s])/,
+      rDelimUnd: /^[^_*]*?\*\*[^_*]*?_[^_*]*?(?=\*\*)|[^_]+(?=[^_])|(?!_)[punct](_+)(?=[\s]|$)|[^punct\s](_+)(?!_)(?=[punct\s]|$)|(?!_)[punct\s](_+)(?=[^punct\s])|[\s](_+)(?!_)(?=[punct])|(?!_)[punct](_+)(?!_)(?=[punct])/
+      // ^- Not allowed for _
+    },
+    code: /^(`+)([^`]|[^`][\s\S]*?[^`])\1(?!`)/,
+    br: /^( {2,}|\\)\n(?!\s*$)/,
+    del: noopTest,
+    text: /^(`+|[^`])(?:(?= {2,}\n)|[\s\S]*?(?:(?=[\\<!\[`*_]|\b_|$)|[^ ](?= {2,}\n)))/,
+    punctuation: /^((?![*_])[\spunctuation])/
+  };
+  inline._punctuation = "\\p{P}$+<=>`^|~";
+  inline.punctuation = edit(inline.punctuation, "u").replace(/punctuation/g, inline._punctuation).getRegex();
+  inline.blockSkip = /\[[^[\]]*?\]\([^\(\)]*?\)|`[^`]*?`|<[^<>]*?>/g;
+  inline.anyPunctuation = /\\[punct]/g;
+  inline._escapes = /\\([punct])/g;
+  inline._comment = edit(block._comment).replace("(?:-->|$)", "-->").getRegex();
+  inline.emStrong.lDelim = edit(inline.emStrong.lDelim, "u").replace(/punct/g, inline._punctuation).getRegex();
+  inline.emStrong.rDelimAst = edit(inline.emStrong.rDelimAst, "gu").replace(/punct/g, inline._punctuation).getRegex();
+  inline.emStrong.rDelimUnd = edit(inline.emStrong.rDelimUnd, "gu").replace(/punct/g, inline._punctuation).getRegex();
+  inline.anyPunctuation = edit(inline.anyPunctuation, "gu").replace(/punct/g, inline._punctuation).getRegex();
+  inline._escapes = edit(inline._escapes, "gu").replace(/punct/g, inline._punctuation).getRegex();
+  inline._scheme = /[a-zA-Z][a-zA-Z0-9+.-]{1,31}/;
+  inline._email = /[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+(@)[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)+(?![-_])/;
+  inline.autolink = edit(inline.autolink).replace("scheme", inline._scheme).replace("email", inline._email).getRegex();
+  inline._attribute = /\s+[a-zA-Z:_][\w.:-]*(?:\s*=\s*"[^"]*"|\s*=\s*'[^']*'|\s*=\s*[^\s"'=<>`]+)?/;
+  inline.tag = edit(inline.tag).replace("comment", inline._comment).replace("attribute", inline._attribute).getRegex();
+  inline._label = /(?:\[(?:\\.|[^\[\]\\])*\]|\\.|`[^`]*`|[^\[\]\\`])*?/;
+  inline._href = /<(?:\\.|[^\n<>\\])+>|[^\s\x00-\x1f]*/;
+  inline._title = /"(?:\\"?|[^"\\])*"|'(?:\\'?|[^'\\])*'|\((?:\\\)?|[^)\\])*\)/;
+  inline.link = edit(inline.link).replace("label", inline._label).replace("href", inline._href).replace("title", inline._title).getRegex();
+  inline.reflink = edit(inline.reflink).replace("label", inline._label).replace("ref", block._label).getRegex();
+  inline.nolink = edit(inline.nolink).replace("ref", block._label).getRegex();
+  inline.reflinkSearch = edit(inline.reflinkSearch, "g").replace("reflink", inline.reflink).replace("nolink", inline.nolink).getRegex();
+  inline.normal = { ...inline };
+  inline.pedantic = {
+    ...inline.normal,
+    strong: {
+      start: /^__|\*\*/,
+      middle: /^__(?=\S)([\s\S]*?\S)__(?!_)|^\*\*(?=\S)([\s\S]*?\S)\*\*(?!\*)/,
+      endAst: /\*\*(?!\*)/g,
+      endUnd: /__(?!_)/g
+    },
+    em: {
+      start: /^_|\*/,
+      middle: /^()\*(?=\S)([\s\S]*?\S)\*(?!\*)|^_(?=\S)([\s\S]*?\S)_(?!_)/,
+      endAst: /\*(?!\*)/g,
+      endUnd: /_(?!_)/g
+    },
+    link: edit(/^!?\[(label)\]\((.*?)\)/).replace("label", inline._label).getRegex(),
+    reflink: edit(/^!?\[(label)\]\s*\[([^\]]*)\]/).replace("label", inline._label).getRegex()
+  };
+  inline.gfm = {
+    ...inline.normal,
+    escape: edit(inline.escape).replace("])", "~|])").getRegex(),
+    _extended_email: /[A-Za-z0-9._+-]+(@)[a-zA-Z0-9-_]+(?:\.[a-zA-Z0-9-_]*[a-zA-Z0-9])+(?![-_])/,
+    url: /^((?:ftp|https?):\/\/|www\.)(?:[a-zA-Z0-9\-]+\.?)+[^\s<]*|^email/,
+    _backpedal: /(?:[^?!.,:;*_'"~()&]+|\([^)]*\)|&(?![a-zA-Z0-9]+;$)|[?!.,:;*_'"~)]+(?!$))+/,
+    del: /^(~~?)(?=[^\s~])([\s\S]*?[^\s~])\1(?=[^~]|$)/,
+    text: /^([`~]+|[^`~])(?:(?= {2,}\n)|(?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)|[\s\S]*?(?:(?=[\\<!\[`*~_]|\b_|https?:\/\/|ftp:\/\/|www\.|$)|[^ ](?= {2,}\n)|[^a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-](?=[a-zA-Z0-9.!#$%&'*+\/=?_`{\|}~-]+@)))/
+  };
+  inline.gfm.url = edit(inline.gfm.url, "i").replace("email", inline.gfm._extended_email).getRegex();
+  inline.breaks = {
+    ...inline.gfm,
+    br: edit(inline.br).replace("{2,}", "*").getRegex(),
+    text: edit(inline.gfm.text).replace("\\b_", "\\b_| {2,}\\n").replace(/\{2,\}/g, "*").getRegex()
+  };
+  function smartypants(text2) {
+    return text2.replace(/---/g, "\u2014").replace(/--/g, "\u2013").replace(/(^|[-\u2014/(\[{"\s])'/g, "$1\u2018").replace(/'/g, "\u2019").replace(/(^|[-\u2014/(\[{\u2018\s])"/g, "$1\u201C").replace(/"/g, "\u201D").replace(/\.{3}/g, "\u2026");
+  }
+  function mangle(text2) {
+    let out = "", i2, ch;
+    const l = text2.length;
+    for (i2 = 0; i2 < l; i2++) {
+      ch = text2.charCodeAt(i2);
+      if (Math.random() > 0.5) {
+        ch = "x" + ch.toString(16);
+      }
+      out += "&#" + ch + ";";
+    }
+    return out;
+  }
+  var Lexer = class _Lexer {
+    constructor(options2) {
+      this.tokens = [];
+      this.tokens.links = /* @__PURE__ */ Object.create(null);
+      this.options = options2 || defaults;
+      this.options.tokenizer = this.options.tokenizer || new Tokenizer();
+      this.tokenizer = this.options.tokenizer;
+      this.tokenizer.options = this.options;
+      this.tokenizer.lexer = this;
+      this.inlineQueue = [];
+      this.state = {
+        inLink: false,
+        inRawBlock: false,
+        top: true
+      };
+      const rules = {
+        block: block.normal,
+        inline: inline.normal
+      };
+      if (this.options.pedantic) {
+        rules.block = block.pedantic;
+        rules.inline = inline.pedantic;
+      } else if (this.options.gfm) {
+        rules.block = block.gfm;
+        if (this.options.breaks) {
+          rules.inline = inline.breaks;
+        } else {
+          rules.inline = inline.gfm;
+        }
+      }
+      this.tokenizer.rules = rules;
+    }
+    /**
+     * Expose Rules
+     */
+    static get rules() {
+      return {
+        block,
+        inline
+      };
+    }
+    /**
+     * Static Lex Method
+     */
+    static lex(src, options2) {
+      const lexer2 = new _Lexer(options2);
+      return lexer2.lex(src);
+    }
+    /**
+     * Static Lex Inline Method
+     */
+    static lexInline(src, options2) {
+      const lexer2 = new _Lexer(options2);
+      return lexer2.inlineTokens(src);
+    }
+    /**
+     * Preprocessing
+     */
+    lex(src) {
+      src = src.replace(/\r\n|\r/g, "\n");
+      this.blockTokens(src, this.tokens);
+      let next;
+      while (next = this.inlineQueue.shift()) {
+        this.inlineTokens(next.src, next.tokens);
+      }
+      return this.tokens;
+    }
+    /**
+     * Lexing
+     */
+    blockTokens(src, tokens = []) {
+      if (this.options.pedantic) {
+        src = src.replace(/\t/g, "    ").replace(/^ +$/gm, "");
+      } else {
+        src = src.replace(/^( *)(\t+)/gm, (_, leading, tabs) => {
+          return leading + "    ".repeat(tabs.length);
+        });
+      }
+      let token, lastToken, cutSrc, lastParagraphClipped;
+      while (src) {
+        if (this.options.extensions && this.options.extensions.block && this.options.extensions.block.some((extTokenizer) => {
+          if (token = extTokenizer.call({ lexer: this }, src, tokens)) {
+            src = src.substring(token.raw.length);
+            tokens.push(token);
+            return true;
+          }
+          return false;
+        })) {
+          continue;
+        }
+        if (token = this.tokenizer.space(src)) {
+          src = src.substring(token.raw.length);
+          if (token.raw.length === 1 && tokens.length > 0) {
+            tokens[tokens.length - 1].raw += "\n";
+          } else {
+            tokens.push(token);
+          }
+          continue;
+        }
+        if (token = this.tokenizer.code(src)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+          if (lastToken && (lastToken.type === "paragraph" || lastToken.type === "text")) {
+            lastToken.raw += "\n" + token.raw;
+            lastToken.text += "\n" + token.text;
+            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
+          } else {
+            tokens.push(token);
+          }
+          continue;
+        }
+        if (token = this.tokenizer.fences(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.heading(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.hr(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.blockquote(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.list(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.html(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.def(src)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+          if (lastToken && (lastToken.type === "paragraph" || lastToken.type === "text")) {
+            lastToken.raw += "\n" + token.raw;
+            lastToken.text += "\n" + token.raw;
+            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
+          } else if (!this.tokens.links[token.tag]) {
+            this.tokens.links[token.tag] = {
+              href: token.href,
+              title: token.title
+            };
+          }
+          continue;
+        }
+        if (token = this.tokenizer.table(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.lheading(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        cutSrc = src;
+        if (this.options.extensions && this.options.extensions.startBlock) {
+          let startIndex = Infinity;
+          const tempSrc = src.slice(1);
+          let tempStart;
+          this.options.extensions.startBlock.forEach(function(getStartIndex) {
+            tempStart = getStartIndex.call({ lexer: this }, tempSrc);
+            if (typeof tempStart === "number" && tempStart >= 0) {
+              startIndex = Math.min(startIndex, tempStart);
+            }
+          });
+          if (startIndex < Infinity && startIndex >= 0) {
+            cutSrc = src.substring(0, startIndex + 1);
+          }
+        }
+        if (this.state.top && (token = this.tokenizer.paragraph(cutSrc))) {
+          lastToken = tokens[tokens.length - 1];
+          if (lastParagraphClipped && lastToken.type === "paragraph") {
+            lastToken.raw += "\n" + token.raw;
+            lastToken.text += "\n" + token.text;
+            this.inlineQueue.pop();
+            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
+          } else {
+            tokens.push(token);
+          }
+          lastParagraphClipped = cutSrc.length !== src.length;
+          src = src.substring(token.raw.length);
+          continue;
+        }
+        if (token = this.tokenizer.text(src)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+          if (lastToken && lastToken.type === "text") {
+            lastToken.raw += "\n" + token.raw;
+            lastToken.text += "\n" + token.text;
+            this.inlineQueue.pop();
+            this.inlineQueue[this.inlineQueue.length - 1].src = lastToken.text;
+          } else {
+            tokens.push(token);
+          }
+          continue;
+        }
+        if (src) {
+          const errMsg = "Infinite loop on byte: " + src.charCodeAt(0);
+          if (this.options.silent) {
+            console.error(errMsg);
+            break;
+          } else {
+            throw new Error(errMsg);
+          }
+        }
+      }
+      this.state.top = true;
+      return tokens;
+    }
+    inline(src, tokens = []) {
+      this.inlineQueue.push({ src, tokens });
+      return tokens;
+    }
+    /**
+     * Lexing/Compiling
+     */
+    inlineTokens(src, tokens = []) {
+      let token, lastToken, cutSrc;
+      let maskedSrc = src;
+      let match;
+      let keepPrevChar, prevChar;
+      if (this.tokens.links) {
+        const links = Object.keys(this.tokens.links);
+        if (links.length > 0) {
+          while ((match = this.tokenizer.rules.inline.reflinkSearch.exec(maskedSrc)) != null) {
+            if (links.includes(match[0].slice(match[0].lastIndexOf("[") + 1, -1))) {
+              maskedSrc = maskedSrc.slice(0, match.index) + "[" + "a".repeat(match[0].length - 2) + "]" + maskedSrc.slice(this.tokenizer.rules.inline.reflinkSearch.lastIndex);
+            }
+          }
+        }
+      }
+      while ((match = this.tokenizer.rules.inline.blockSkip.exec(maskedSrc)) != null) {
+        maskedSrc = maskedSrc.slice(0, match.index) + "[" + "a".repeat(match[0].length - 2) + "]" + maskedSrc.slice(this.tokenizer.rules.inline.blockSkip.lastIndex);
+      }
+      while ((match = this.tokenizer.rules.inline.anyPunctuation.exec(maskedSrc)) != null) {
+        maskedSrc = maskedSrc.slice(0, match.index) + "++" + maskedSrc.slice(this.tokenizer.rules.inline.anyPunctuation.lastIndex);
+      }
+      while (src) {
+        if (!keepPrevChar) {
+          prevChar = "";
+        }
+        keepPrevChar = false;
+        if (this.options.extensions && this.options.extensions.inline && this.options.extensions.inline.some((extTokenizer) => {
+          if (token = extTokenizer.call({ lexer: this }, src, tokens)) {
+            src = src.substring(token.raw.length);
+            tokens.push(token);
+            return true;
+          }
+          return false;
+        })) {
+          continue;
+        }
+        if (token = this.tokenizer.escape(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.tag(src)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+          if (lastToken && token.type === "text" && lastToken.type === "text") {
+            lastToken.raw += token.raw;
+            lastToken.text += token.text;
+          } else {
+            tokens.push(token);
+          }
+          continue;
+        }
+        if (token = this.tokenizer.link(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.reflink(src, this.tokens.links)) {
+          src = src.substring(token.raw.length);
+          lastToken = tokens[tokens.length - 1];
+          if (lastToken && token.type === "text" && lastToken.type === "text") {
+            lastToken.raw += token.raw;
+            lastToken.text += token.text;
+          } else {
+            tokens.push(token);
+          }
+          continue;
+        }
+        if (token = this.tokenizer.emStrong(src, maskedSrc, prevChar)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.codespan(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.br(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.del(src)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (token = this.tokenizer.autolink(src, mangle)) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        if (!this.state.inLink && (token = this.tokenizer.url(src, mangle))) {
+          src = src.substring(token.raw.length);
+          tokens.push(token);
+          continue;
+        }
+        cutSrc = src;
+        if (this.options.extensions && this.options.extensions.startInline) {
+          let startIndex = Infinity;
+          const tempSrc = src.slice(1);
+          let tempStart;
+          this.options.extensions.startInline.forEach(function(getStartIndex) {
+            tempStart = getStartIndex.call({ lexer: this }, tempSrc);
+            if (typeof tempStart === "number" && tempStart >= 0) {
+              startIndex = Math.min(startIndex, tempStart);
+            }
+          });
+          if (startIndex < Infinity && startIndex >= 0) {
+            cutSrc = src.substring(0, startIndex + 1);
+          }
+        }
+        if (token = this.tokenizer.inlineText(cutSrc, smartypants)) {
+          src = src.substring(token.raw.length);
+          if (token.raw.slice(-1) !== "_") {
+            prevChar = token.raw.slice(-1);
+          }
+          keepPrevChar = true;
+          lastToken = tokens[tokens.length - 1];
+          if (lastToken && lastToken.type === "text") {
+            lastToken.raw += token.raw;
+            lastToken.text += token.text;
+          } else {
+            tokens.push(token);
+          }
+          continue;
+        }
+        if (src) {
+          const errMsg = "Infinite loop on byte: " + src.charCodeAt(0);
+          if (this.options.silent) {
+            console.error(errMsg);
+            break;
+          } else {
+            throw new Error(errMsg);
+          }
+        }
+      }
+      return tokens;
+    }
+  };
+  var Renderer = class {
+    constructor(options2) {
+      this.options = options2 || defaults;
+    }
+    code(code, infostring, escaped) {
+      const lang = (infostring || "").match(/\S*/)[0];
+      if (this.options.highlight) {
+        const out = this.options.highlight(code, lang);
+        if (out != null && out !== code) {
+          escaped = true;
+          code = out;
+        }
+      }
+      code = code.replace(/\n$/, "") + "\n";
+      if (!lang) {
+        return "<pre><code>" + (escaped ? code : escape4(code, true)) + "</code></pre>\n";
+      }
+      return '<pre><code class="' + this.options.langPrefix + escape4(lang) + '">' + (escaped ? code : escape4(code, true)) + "</code></pre>\n";
+    }
+    /**
+     * @param {string} quote
+     */
+    blockquote(quote2) {
+      return `<blockquote>
+${quote2}</blockquote>
+`;
+    }
+    html(html2, block2) {
+      return html2;
+    }
+    /**
+     * @param {string} text
+     * @param {string} level
+     * @param {string} raw
+     * @param {any} slugger
+     */
+    heading(text2, level, raw, slugger) {
+      if (this.options.headerIds) {
+        const id2 = this.options.headerPrefix + slugger.slug(raw);
+        return `<h${level} id="${id2}">${text2}</h${level}>
+`;
+      }
+      return `<h${level}>${text2}</h${level}>
+`;
+    }
+    hr() {
+      return this.options.xhtml ? "<hr/>\n" : "<hr>\n";
+    }
+    list(body, ordered, start2) {
+      const type2 = ordered ? "ol" : "ul", startatt = ordered && start2 !== 1 ? ' start="' + start2 + '"' : "";
+      return "<" + type2 + startatt + ">\n" + body + "</" + type2 + ">\n";
+    }
+    /**
+     * @param {string} text
+     */
+    listitem(text2) {
+      return `<li>${text2}</li>
+`;
+    }
+    checkbox(checked) {
+      return "<input " + (checked ? 'checked="" ' : "") + 'disabled="" type="checkbox"' + (this.options.xhtml ? " /" : "") + "> ";
+    }
+    /**
+     * @param {string} text
+     */
+    paragraph(text2) {
+      return `<p>${text2}</p>
+`;
+    }
+    /**
+     * @param {string} header
+     * @param {string} body
+     */
+    table(header, body) {
+      if (body)
+        body = `<tbody>${body}</tbody>`;
+      return "<table>\n<thead>\n" + header + "</thead>\n" + body + "</table>\n";
+    }
+    /**
+     * @param {string} content
+     */
+    tablerow(content) {
+      return `<tr>
+${content}</tr>
+`;
+    }
+    tablecell(content, flags) {
+      const type2 = flags.header ? "th" : "td";
+      const tag = flags.align ? `<${type2} align="${flags.align}">` : `<${type2}>`;
+      return tag + content + `</${type2}>
+`;
+    }
+    /**
+     * span level renderer
+     * @param {string} text
+     */
+    strong(text2) {
+      return `<strong>${text2}</strong>`;
+    }
+    /**
+     * @param {string} text
+     */
+    em(text2) {
+      return `<em>${text2}</em>`;
+    }
+    /**
+     * @param {string} text
+     */
+    codespan(text2) {
+      return `<code>${text2}</code>`;
+    }
+    br() {
+      return this.options.xhtml ? "<br/>" : "<br>";
+    }
+    /**
+     * @param {string} text
+     */
+    del(text2) {
+      return `<del>${text2}</del>`;
+    }
+    /**
+     * @param {string} href
+     * @param {string} title
+     * @param {string} text
+     */
+    link(href, title, text2) {
+      href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
+      if (href === null) {
+        return text2;
+      }
+      let out = '<a href="' + href + '"';
+      if (title) {
+        out += ' title="' + title + '"';
+      }
+      out += ">" + text2 + "</a>";
+      return out;
+    }
+    /**
+     * @param {string} href
+     * @param {string} title
+     * @param {string} text
+     */
+    image(href, title, text2) {
+      href = cleanUrl(this.options.sanitize, this.options.baseUrl, href);
+      if (href === null) {
+        return text2;
+      }
+      let out = `<img src="${href}" alt="${text2}"`;
+      if (title) {
+        out += ` title="${title}"`;
+      }
+      out += this.options.xhtml ? "/>" : ">";
+      return out;
+    }
+    text(text2) {
+      return text2;
+    }
+  };
+  var TextRenderer = class {
+    // no need for block level renderers
+    strong(text2) {
+      return text2;
+    }
+    em(text2) {
+      return text2;
+    }
+    codespan(text2) {
+      return text2;
+    }
+    del(text2) {
+      return text2;
+    }
+    html(text2) {
+      return text2;
+    }
+    text(text2) {
+      return text2;
+    }
+    link(href, title, text2) {
+      return "" + text2;
+    }
+    image(href, title, text2) {
+      return "" + text2;
+    }
+    br() {
+      return "";
+    }
+  };
+  var Slugger = class {
+    constructor() {
+      this.seen = {};
+    }
+    /**
+     * @param {string} value
+     */
+    serialize(value) {
+      return value.toLowerCase().trim().replace(/<[!\/a-z].*?>/ig, "").replace(/[\u2000-\u206F\u2E00-\u2E7F\\'!"#$%&()*+,./:;<=>?@[\]^`{|}~]/g, "").replace(/\s/g, "-");
+    }
+    /**
+     * Finds the next safe (unique) slug to use
+     * @param {string} originalSlug
+     * @param {boolean} isDryRun
+     */
+    getNextSafeSlug(originalSlug, isDryRun) {
+      let slug = originalSlug;
+      let occurenceAccumulator = 0;
+      if (this.seen.hasOwnProperty(slug)) {
+        occurenceAccumulator = this.seen[originalSlug];
+        do {
+          occurenceAccumulator++;
+          slug = originalSlug + "-" + occurenceAccumulator;
+        } while (this.seen.hasOwnProperty(slug));
+      }
+      if (!isDryRun) {
+        this.seen[originalSlug] = occurenceAccumulator;
+        this.seen[slug] = 0;
+      }
+      return slug;
+    }
+    /**
+     * Convert string to unique id
+     * @param {object} [options]
+     * @param {boolean} [options.dryrun] Generates the next unique slug without
+     * updating the internal accumulator.
+     */
+    slug(value, options2 = {}) {
+      const slug = this.serialize(value);
+      return this.getNextSafeSlug(slug, options2.dryrun);
+    }
+  };
+  var Parser = class _Parser {
+    constructor(options2) {
+      this.options = options2 || defaults;
+      this.options.renderer = this.options.renderer || new Renderer();
+      this.renderer = this.options.renderer;
+      this.renderer.options = this.options;
+      this.textRenderer = new TextRenderer();
+      this.slugger = new Slugger();
+    }
+    /**
+     * Static Parse Method
+     */
+    static parse(tokens, options2) {
+      const parser3 = new _Parser(options2);
+      return parser3.parse(tokens);
+    }
+    /**
+     * Static Parse Inline Method
+     */
+    static parseInline(tokens, options2) {
+      const parser3 = new _Parser(options2);
+      return parser3.parseInline(tokens);
+    }
+    /**
+     * Parse Loop
+     */
+    parse(tokens, top = true) {
+      let out = "", i2, j2, k, l2, l3, row, cell, header, body, token, ordered, start2, loose, itemBody, item, checked, task, checkbox, ret;
+      const l = tokens.length;
+      for (i2 = 0; i2 < l; i2++) {
+        token = tokens[i2];
+        if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
+          ret = this.options.extensions.renderers[token.type].call({ parser: this }, token);
+          if (ret !== false || !["space", "hr", "heading", "code", "table", "blockquote", "list", "html", "paragraph", "text"].includes(token.type)) {
+            out += ret || "";
+            continue;
+          }
+        }
+        switch (token.type) {
+          case "space": {
+            continue;
+          }
+          case "hr": {
+            out += this.renderer.hr();
+            continue;
+          }
+          case "heading": {
+            out += this.renderer.heading(
+              this.parseInline(token.tokens),
+              token.depth,
+              unescape3(this.parseInline(token.tokens, this.textRenderer)),
+              this.slugger
+            );
+            continue;
+          }
+          case "code": {
+            out += this.renderer.code(
+              token.text,
+              token.lang,
+              token.escaped
+            );
+            continue;
+          }
+          case "table": {
+            header = "";
+            cell = "";
+            l2 = token.header.length;
+            for (j2 = 0; j2 < l2; j2++) {
+              cell += this.renderer.tablecell(
+                this.parseInline(token.header[j2].tokens),
+                { header: true, align: token.align[j2] }
+              );
+            }
+            header += this.renderer.tablerow(cell);
+            body = "";
+            l2 = token.rows.length;
+            for (j2 = 0; j2 < l2; j2++) {
+              row = token.rows[j2];
+              cell = "";
+              l3 = row.length;
+              for (k = 0; k < l3; k++) {
+                cell += this.renderer.tablecell(
+                  this.parseInline(row[k].tokens),
+                  { header: false, align: token.align[k] }
+                );
+              }
+              body += this.renderer.tablerow(cell);
+            }
+            out += this.renderer.table(header, body);
+            continue;
+          }
+          case "blockquote": {
+            body = this.parse(token.tokens);
+            out += this.renderer.blockquote(body);
+            continue;
+          }
+          case "list": {
+            ordered = token.ordered;
+            start2 = token.start;
+            loose = token.loose;
+            l2 = token.items.length;
+            body = "";
+            for (j2 = 0; j2 < l2; j2++) {
+              item = token.items[j2];
+              checked = item.checked;
+              task = item.task;
+              itemBody = "";
+              if (item.task) {
+                checkbox = this.renderer.checkbox(checked);
+                if (loose) {
+                  if (item.tokens.length > 0 && item.tokens[0].type === "paragraph") {
+                    item.tokens[0].text = checkbox + " " + item.tokens[0].text;
+                    if (item.tokens[0].tokens && item.tokens[0].tokens.length > 0 && item.tokens[0].tokens[0].type === "text") {
+                      item.tokens[0].tokens[0].text = checkbox + " " + item.tokens[0].tokens[0].text;
+                    }
+                  } else {
+                    item.tokens.unshift({
+                      type: "text",
+                      text: checkbox
+                    });
+                  }
+                } else {
+                  itemBody += checkbox;
+                }
+              }
+              itemBody += this.parse(item.tokens, loose);
+              body += this.renderer.listitem(itemBody, task, checked);
+            }
+            out += this.renderer.list(body, ordered, start2);
+            continue;
+          }
+          case "html": {
+            out += this.renderer.html(token.text, token.block);
+            continue;
+          }
+          case "paragraph": {
+            out += this.renderer.paragraph(this.parseInline(token.tokens));
+            continue;
+          }
+          case "text": {
+            body = token.tokens ? this.parseInline(token.tokens) : token.text;
+            while (i2 + 1 < l && tokens[i2 + 1].type === "text") {
+              token = tokens[++i2];
+              body += "\n" + (token.tokens ? this.parseInline(token.tokens) : token.text);
+            }
+            out += top ? this.renderer.paragraph(body) : body;
+            continue;
+          }
+          default: {
+            const errMsg = 'Token with "' + token.type + '" type was not found.';
+            if (this.options.silent) {
+              console.error(errMsg);
+              return;
+            } else {
+              throw new Error(errMsg);
+            }
+          }
+        }
+      }
+      return out;
+    }
+    /**
+     * Parse Inline Tokens
+     */
+    parseInline(tokens, renderer) {
+      renderer = renderer || this.renderer;
+      let out = "", i2, token, ret;
+      const l = tokens.length;
+      for (i2 = 0; i2 < l; i2++) {
+        token = tokens[i2];
+        if (this.options.extensions && this.options.extensions.renderers && this.options.extensions.renderers[token.type]) {
+          ret = this.options.extensions.renderers[token.type].call({ parser: this }, token);
+          if (ret !== false || !["escape", "html", "link", "image", "strong", "em", "codespan", "br", "del", "text"].includes(token.type)) {
+            out += ret || "";
+            continue;
+          }
+        }
+        switch (token.type) {
+          case "escape": {
+            out += renderer.text(token.text);
+            break;
+          }
+          case "html": {
+            out += renderer.html(token.text);
+            break;
+          }
+          case "link": {
+            out += renderer.link(token.href, token.title, this.parseInline(token.tokens, renderer));
+            break;
+          }
+          case "image": {
+            out += renderer.image(token.href, token.title, token.text);
+            break;
+          }
+          case "strong": {
+            out += renderer.strong(this.parseInline(token.tokens, renderer));
+            break;
+          }
+          case "em": {
+            out += renderer.em(this.parseInline(token.tokens, renderer));
+            break;
+          }
+          case "codespan": {
+            out += renderer.codespan(token.text);
+            break;
+          }
+          case "br": {
+            out += renderer.br();
+            break;
+          }
+          case "del": {
+            out += renderer.del(this.parseInline(token.tokens, renderer));
+            break;
+          }
+          case "text": {
+            out += renderer.text(token.text);
+            break;
+          }
+          default: {
+            const errMsg = 'Token with "' + token.type + '" type was not found.';
+            if (this.options.silent) {
+              console.error(errMsg);
+              return;
+            } else {
+              throw new Error(errMsg);
+            }
+          }
+        }
+      }
+      return out;
+    }
+  };
+  var Hooks = class {
+    constructor(options2) {
+      this.options = options2 || defaults;
+    }
+    static passThroughHooks = /* @__PURE__ */ new Set([
+      "preprocess",
+      "postprocess"
+    ]);
+    /**
+     * Process markdown before marked
+     */
+    preprocess(markdown) {
+      return markdown;
+    }
+    /**
+     * Process HTML after marked is finished
+     */
+    postprocess(html2) {
+      return html2;
+    }
+  };
+  var Marked = class {
+    defaults = getDefaults();
+    options = this.setOptions;
+    parse = this.#parseMarkdown(Lexer.lex, Parser.parse);
+    parseInline = this.#parseMarkdown(Lexer.lexInline, Parser.parseInline);
+    Parser = Parser;
+    parser = Parser.parse;
+    Renderer = Renderer;
+    TextRenderer = TextRenderer;
+    Lexer = Lexer;
+    lexer = Lexer.lex;
+    Tokenizer = Tokenizer;
+    Slugger = Slugger;
+    Hooks = Hooks;
+    constructor(...args) {
+      this.use(...args);
+    }
+    walkTokens(tokens, callback) {
+      let values = [];
+      for (const token of tokens) {
+        values = values.concat(callback.call(this, token));
+        switch (token.type) {
+          case "table": {
+            for (const cell of token.header) {
+              values = values.concat(this.walkTokens(cell.tokens, callback));
+            }
+            for (const row of token.rows) {
+              for (const cell of row) {
+                values = values.concat(this.walkTokens(cell.tokens, callback));
+              }
+            }
+            break;
+          }
+          case "list": {
+            values = values.concat(this.walkTokens(token.items, callback));
+            break;
+          }
+          default: {
+            if (this.defaults.extensions && this.defaults.extensions.childTokens && this.defaults.extensions.childTokens[token.type]) {
+              this.defaults.extensions.childTokens[token.type].forEach((childTokens) => {
+                values = values.concat(this.walkTokens(token[childTokens], callback));
+              });
+            } else if (token.tokens) {
+              values = values.concat(this.walkTokens(token.tokens, callback));
+            }
+          }
+        }
+      }
+      return values;
+    }
+    use(...args) {
+      const extensions = this.defaults.extensions || { renderers: {}, childTokens: {} };
+      args.forEach((pack) => {
+        const opts = { ...pack };
+        opts.async = this.defaults.async || opts.async || false;
+        if (pack.extensions) {
+          pack.extensions.forEach((ext) => {
+            if (!ext.name) {
+              throw new Error("extension name required");
+            }
+            if (ext.renderer) {
+              const prevRenderer = extensions.renderers[ext.name];
+              if (prevRenderer) {
+                extensions.renderers[ext.name] = function(...args2) {
+                  let ret = ext.renderer.apply(this, args2);
+                  if (ret === false) {
+                    ret = prevRenderer.apply(this, args2);
+                  }
+                  return ret;
+                };
+              } else {
+                extensions.renderers[ext.name] = ext.renderer;
+              }
+            }
+            if (ext.tokenizer) {
+              if (!ext.level || ext.level !== "block" && ext.level !== "inline") {
+                throw new Error("extension level must be 'block' or 'inline'");
+              }
+              if (extensions[ext.level]) {
+                extensions[ext.level].unshift(ext.tokenizer);
+              } else {
+                extensions[ext.level] = [ext.tokenizer];
+              }
+              if (ext.start) {
+                if (ext.level === "block") {
+                  if (extensions.startBlock) {
+                    extensions.startBlock.push(ext.start);
+                  } else {
+                    extensions.startBlock = [ext.start];
+                  }
+                } else if (ext.level === "inline") {
+                  if (extensions.startInline) {
+                    extensions.startInline.push(ext.start);
+                  } else {
+                    extensions.startInline = [ext.start];
+                  }
+                }
+              }
+            }
+            if (ext.childTokens) {
+              extensions.childTokens[ext.name] = ext.childTokens;
+            }
+          });
+          opts.extensions = extensions;
+        }
+        if (pack.renderer) {
+          const renderer = this.defaults.renderer || new Renderer(this.defaults);
+          for (const prop in pack.renderer) {
+            const prevRenderer = renderer[prop];
+            renderer[prop] = (...args2) => {
+              let ret = pack.renderer[prop].apply(renderer, args2);
+              if (ret === false) {
+                ret = prevRenderer.apply(renderer, args2);
+              }
+              return ret;
+            };
+          }
+          opts.renderer = renderer;
+        }
+        if (pack.tokenizer) {
+          const tokenizer = this.defaults.tokenizer || new Tokenizer(this.defaults);
+          for (const prop in pack.tokenizer) {
+            const prevTokenizer = tokenizer[prop];
+            tokenizer[prop] = (...args2) => {
+              let ret = pack.tokenizer[prop].apply(tokenizer, args2);
+              if (ret === false) {
+                ret = prevTokenizer.apply(tokenizer, args2);
+              }
+              return ret;
+            };
+          }
+          opts.tokenizer = tokenizer;
+        }
+        if (pack.hooks) {
+          const hooks = this.defaults.hooks || new Hooks();
+          for (const prop in pack.hooks) {
+            const prevHook = hooks[prop];
+            if (Hooks.passThroughHooks.has(prop)) {
+              hooks[prop] = (arg) => {
+                if (this.defaults.async) {
+                  return Promise.resolve(pack.hooks[prop].call(hooks, arg)).then((ret2) => {
+                    return prevHook.call(hooks, ret2);
+                  });
+                }
+                const ret = pack.hooks[prop].call(hooks, arg);
+                return prevHook.call(hooks, ret);
+              };
+            } else {
+              hooks[prop] = (...args2) => {
+                let ret = pack.hooks[prop].apply(hooks, args2);
+                if (ret === false) {
+                  ret = prevHook.apply(hooks, args2);
+                }
+                return ret;
+              };
+            }
+          }
+          opts.hooks = hooks;
+        }
+        if (pack.walkTokens) {
+          const walkTokens2 = this.defaults.walkTokens;
+          opts.walkTokens = function(token) {
+            let values = [];
+            values.push(pack.walkTokens.call(this, token));
+            if (walkTokens2) {
+              values = values.concat(walkTokens2.call(this, token));
+            }
+            return values;
+          };
+        }
+        this.defaults = { ...this.defaults, ...opts };
+      });
+      return this;
+    }
+    setOptions(opt) {
+      this.defaults = { ...this.defaults, ...opt };
+      return this;
+    }
+    #parseMarkdown(lexer2, parser3) {
+      return (src, opt, callback) => {
+        if (typeof opt === "function") {
+          callback = opt;
+          opt = null;
+        }
+        const origOpt = { ...opt };
+        opt = { ...this.defaults, ...origOpt };
+        const throwError = this.#onError(opt.silent, opt.async, callback);
+        if (typeof src === "undefined" || src === null) {
+          return throwError(new Error("marked(): input parameter is undefined or null"));
+        }
+        if (typeof src !== "string") {
+          return throwError(new Error("marked(): input parameter is of type " + Object.prototype.toString.call(src) + ", string expected"));
+        }
+        checkDeprecations(opt, callback);
+        if (opt.hooks) {
+          opt.hooks.options = opt;
+        }
+        if (callback) {
+          const highlight = opt.highlight;
+          let tokens;
+          try {
+            if (opt.hooks) {
+              src = opt.hooks.preprocess(src);
+            }
+            tokens = lexer2(src, opt);
+          } catch (e) {
+            return throwError(e);
+          }
+          const done = (err) => {
+            let out;
+            if (!err) {
+              try {
+                if (opt.walkTokens) {
+                  this.walkTokens(tokens, opt.walkTokens);
+                }
+                out = parser3(tokens, opt);
+                if (opt.hooks) {
+                  out = opt.hooks.postprocess(out);
+                }
+              } catch (e) {
+                err = e;
+              }
+            }
+            opt.highlight = highlight;
+            return err ? throwError(err) : callback(null, out);
+          };
+          if (!highlight || highlight.length < 3) {
+            return done();
+          }
+          delete opt.highlight;
+          if (!tokens.length)
+            return done();
+          let pending = 0;
+          this.walkTokens(tokens, (token) => {
+            if (token.type === "code") {
+              pending++;
+              setTimeout(() => {
+                highlight(token.text, token.lang, (err, code) => {
+                  if (err) {
+                    return done(err);
+                  }
+                  if (code != null && code !== token.text) {
+                    token.text = code;
+                    token.escaped = true;
+                  }
+                  pending--;
+                  if (pending === 0) {
+                    done();
+                  }
+                });
+              }, 0);
+            }
+          });
+          if (pending === 0) {
+            done();
+          }
+          return;
+        }
+        if (opt.async) {
+          return Promise.resolve(opt.hooks ? opt.hooks.preprocess(src) : src).then((src2) => lexer2(src2, opt)).then((tokens) => opt.walkTokens ? Promise.all(this.walkTokens(tokens, opt.walkTokens)).then(() => tokens) : tokens).then((tokens) => parser3(tokens, opt)).then((html2) => opt.hooks ? opt.hooks.postprocess(html2) : html2).catch(throwError);
+        }
+        try {
+          if (opt.hooks) {
+            src = opt.hooks.preprocess(src);
+          }
+          const tokens = lexer2(src, opt);
+          if (opt.walkTokens) {
+            this.walkTokens(tokens, opt.walkTokens);
+          }
+          let html2 = parser3(tokens, opt);
+          if (opt.hooks) {
+            html2 = opt.hooks.postprocess(html2);
+          }
+          return html2;
+        } catch (e) {
+          return throwError(e);
+        }
+      };
+    }
+    #onError(silent, async, callback) {
+      return (e) => {
+        e.message += "\nPlease report this to https://github.com/markedjs/marked.";
+        if (silent) {
+          const msg = "<p>An error occurred:</p><pre>" + escape4(e.message + "", true) + "</pre>";
+          if (async) {
+            return Promise.resolve(msg);
+          }
+          if (callback) {
+            callback(null, msg);
+            return;
+          }
+          return msg;
+        }
+        if (async) {
+          return Promise.reject(e);
+        }
+        if (callback) {
+          callback(e);
+          return;
+        }
+        throw e;
+      };
+    }
+  };
+  var markedInstance = new Marked(defaults);
+  function marked(src, opt, callback) {
+    return markedInstance.parse(src, opt, callback);
+  }
+  marked.options = marked.setOptions = function(opt) {
+    markedInstance.setOptions(opt);
+    marked.defaults = markedInstance.defaults;
+    changeDefaults(marked.defaults);
+    return marked;
+  };
+  marked.getDefaults = getDefaults;
+  marked.defaults = defaults;
+  marked.use = function(...args) {
+    markedInstance.use(...args);
+    marked.defaults = markedInstance.defaults;
+    changeDefaults(marked.defaults);
+    return marked;
+  };
+  marked.walkTokens = function(tokens, callback) {
+    return markedInstance.walkTokens(tokens, callback);
+  };
+  marked.parseInline = markedInstance.parseInline;
+  marked.Parser = Parser;
+  marked.parser = Parser.parse;
+  marked.Renderer = Renderer;
+  marked.TextRenderer = TextRenderer;
+  marked.Lexer = Lexer;
+  marked.lexer = Lexer.lex;
+  marked.Tokenizer = Tokenizer;
+  marked.Slugger = Slugger;
+  marked.Hooks = Hooks;
+  marked.parse = marked;
+  var options = marked.options;
+  var setOptions = marked.setOptions;
+  var use = marked.use;
+  var walkTokens = marked.walkTokens;
+  var parseInline = marked.parseInline;
+  var parser2 = Parser.parse;
+  var lexer = Lexer.lex;
+
+  // modules/services/osmose.js
+  var tiler3 = utilTiler();
+  var dispatch4 = dispatch_default("loaded");
+  var _tileZoom3 = 14;
+  var _osmoseUrlRoot = "https://osmose.openstreetmap.fr/api/0.3";
+  var _osmoseData = { icons: {}, items: [] };
+  var _cache3;
+  function abortRequest3(controller) {
+    if (controller) {
+      controller.abort();
+    }
+  }
+  function abortUnwantedRequests3(cache, tiles) {
+    Object.keys(cache.inflightTile).forEach((k) => {
+      let wanted = tiles.find((tile) => k === tile.id);
+      if (!wanted) {
+        abortRequest3(cache.inflightTile[k]);
+        delete cache.inflightTile[k];
+      }
+    });
+  }
+  function encodeIssueRtree3(d) {
+    return { minX: d.loc[0], minY: d.loc[1], maxX: d.loc[0], maxY: d.loc[1], data: d };
+  }
+  function updateRtree3(item, replace) {
+    _cache3.rtree.remove(item, (a, b) => a.data.id === b.data.id);
+    if (replace) {
+      _cache3.rtree.insert(item);
+    }
+  }
+  function preventCoincident2(loc) {
+    let coincident = false;
+    do {
+      let delta = coincident ? [1e-5, 0] : [0, 1e-5];
+      loc = geoVecAdd(loc, delta);
+      let bbox2 = geoExtent(loc).bbox();
+      coincident = _cache3.rtree.search(bbox2).length;
+    } while (coincident);
+    return loc;
+  }
+  var osmose_default = {
+    title: "osmose",
+    init() {
+      _mainFileFetcher.get("qa_data").then((d) => {
+        _osmoseData = d.osmose;
+        _osmoseData.items = Object.keys(d.osmose.icons).map((s) => s.split("-")[0]).reduce((unique, item) => unique.indexOf(item) !== -1 ? unique : [...unique, item], []);
+      });
+      if (!_cache3) {
+        this.reset();
+      }
+      this.event = utilRebind(this, dispatch4, "on");
+    },
+    reset() {
+      let _strings = {};
+      let _colors = {};
+      if (_cache3) {
+        Object.values(_cache3.inflightTile).forEach(abortRequest3);
+        _strings = _cache3.strings;
+        _colors = _cache3.colors;
+      }
+      _cache3 = {
+        data: {},
+        loadedTile: {},
+        inflightTile: {},
+        inflightPost: {},
+        closed: {},
+        rtree: new import_rbush3.default(),
+        strings: _strings,
+        colors: _colors
+      };
+    },
+    loadIssues(projection2) {
+      let params = {
+        // Tiles return a maximum # of issues
+        // So we want to filter our request for only types iD supports
+        item: _osmoseData.items
+      };
+      let tiles = tiler3.zoomExtent([_tileZoom3, _tileZoom3]).getTiles(projection2);
+      abortUnwantedRequests3(_cache3, tiles);
+      tiles.forEach((tile) => {
+        if (_cache3.loadedTile[tile.id] || _cache3.inflightTile[tile.id])
+          return;
+        let [x, y, z] = tile.xyz;
+        let url = `${_osmoseUrlRoot}/issues/${z}/${x}/${y}.geojson?` + utilQsString(params);
+        let controller = new AbortController();
+        _cache3.inflightTile[tile.id] = controller;
+        json_default(url, { signal: controller.signal }).then((data) => {
+          delete _cache3.inflightTile[tile.id];
+          _cache3.loadedTile[tile.id] = true;
+          if (data.features) {
+            data.features.forEach((issue) => {
+              const { item, class: cl, uuid: id2 } = issue.properties;
+              const itemType = `${item}-${cl}`;
+              if (itemType in _osmoseData.icons) {
+                let loc = issue.geometry.coordinates;
+                loc = preventCoincident2(loc);
+                let d = new QAItem(loc, this, itemType, id2, { item });
+                if (item === 8300 || item === 8360) {
+                  d.elems = [];
+                }
+                _cache3.data[d.id] = d;
+                _cache3.rtree.insert(encodeIssueRtree3(d));
+              }
+            });
+          }
+          dispatch4.call("loaded");
+        }).catch(() => {
+          delete _cache3.inflightTile[tile.id];
+          _cache3.loadedTile[tile.id] = true;
+        });
+      });
+    },
+    loadIssueDetail(issue) {
+      if (issue.elems !== void 0) {
+        return Promise.resolve(issue);
+      }
+      const url = `${_osmoseUrlRoot}/issue/${issue.id}?langs=${_mainLocalizer.localeCode()}`;
+      const cacheDetails = (data) => {
+        issue.elems = data.elems.map((e) => e.type.substring(0, 1) + e.id);
+        issue.detail = data.subtitle ? marked(data.subtitle.auto) : "";
+        this.replaceItem(issue);
+      };
+      return json_default(url).then(cacheDetails).then(() => issue);
+    },
+    loadStrings(locale2 = _mainLocalizer.localeCode()) {
+      const items = Object.keys(_osmoseData.icons);
+      if (locale2 in _cache3.strings && Object.keys(_cache3.strings[locale2]).length === items.length) {
+        return Promise.resolve(_cache3.strings[locale2]);
+      }
+      if (!(locale2 in _cache3.strings)) {
+        _cache3.strings[locale2] = {};
+      }
+      const allRequests = items.map((itemType) => {
+        if (itemType in _cache3.strings[locale2])
+          return null;
+        const cacheData = (data) => {
+          const [cat = { items: [] }] = data.categories;
+          const [item2 = { class: [] }] = cat.items;
+          const [cl2 = null] = item2.class;
+          if (!cl2) {
+            console.log(`Osmose strings request (${itemType}) had unexpected data`);
+            return;
+          }
+          const { item: itemInt, color: color2 } = item2;
+          if (/^#[A-Fa-f0-9]{6}|[A-Fa-f0-9]{3}/.test(color2)) {
+            _cache3.colors[itemInt] = color2;
+          }
+          const { title, detail, fix, trap } = cl2;
+          let issueStrings = {};
+          if (title)
+            issueStrings.title = title.auto;
+          if (detail)
+            issueStrings.detail = marked(detail.auto);
+          if (trap)
+            issueStrings.trap = marked(trap.auto);
+          if (fix)
+            issueStrings.fix = marked(fix.auto);
+          _cache3.strings[locale2][itemType] = issueStrings;
+        };
+        const [item, cl] = itemType.split("-");
+        const url = `${_osmoseUrlRoot}/items/${item}/class/${cl}?langs=${locale2}`;
+        return json_default(url).then(cacheData);
+      }).filter(Boolean);
+      return Promise.all(allRequests).then(() => _cache3.strings[locale2]);
+    },
+    getStrings(itemType, locale2 = _mainLocalizer.localeCode()) {
+      return locale2 in _cache3.strings ? _cache3.strings[locale2][itemType] : {};
+    },
+    getColor(itemType) {
+      return itemType in _cache3.colors ? _cache3.colors[itemType] : "#FFFFFF";
+    },
+    postUpdate(issue, callback) {
+      if (_cache3.inflightPost[issue.id]) {
+        return callback({ message: "Issue update already inflight", status: -2 }, issue);
+      }
+      const url = `${_osmoseUrlRoot}/issue/${issue.id}/${issue.newStatus}`;
+      const controller = new AbortController();
+      const after = () => {
+        delete _cache3.inflightPost[issue.id];
+        this.removeItem(issue);
+        if (issue.newStatus === "done") {
+          if (!(issue.item in _cache3.closed)) {
+            _cache3.closed[issue.item] = 0;
+          }
+          _cache3.closed[issue.item] += 1;
+        }
+        if (callback)
+          callback(null, issue);
+      };
+      _cache3.inflightPost[issue.id] = controller;
+      fetch(url, { signal: controller.signal }).then(after).catch((err) => {
+        delete _cache3.inflightPost[issue.id];
+        if (callback)
+          callback(err.message);
+      });
+    },
+    // Get all cached QAItems covering the viewport
+    getItems(projection2) {
+      const viewport = projection2.clipExtent();
+      const min3 = [viewport[0][0], viewport[1][1]];
+      const max3 = [viewport[1][0], viewport[0][1]];
+      const bbox2 = geoExtent(projection2.invert(min3), projection2.invert(max3)).bbox();
+      return _cache3.rtree.search(bbox2).map((d) => d.data);
+    },
+    // Get a QAItem from cache
+    // NOTE: Don't change method name until UI v3 is merged
+    getError(id2) {
+      return _cache3.data[id2];
+    },
+    // get the name of the icon to display for this item
+    getIcon(itemType) {
+      return _osmoseData.icons[itemType];
+    },
+    // Replace a single QAItem in the cache
+    replaceItem(item) {
+      if (!(item instanceof QAItem) || !item.id)
+        return;
+      _cache3.data[item.id] = item;
+      updateRtree3(encodeIssueRtree3(item), true);
+      return item;
+    },
+    // Remove a single QAItem from the cache
+    removeItem(item) {
+      if (!(item instanceof QAItem) || !item.id)
+        return;
+      delete _cache3.data[item.id];
+      updateRtree3(encodeIssueRtree3(item), false);
+    },
+    // Used to populate `closed:osmose:*` changeset tags
+    getClosedCounts() {
+      return _cache3.closed;
+    },
+    itemURL(item) {
+      return `https://osmose.openstreetmap.fr/en/error/${item.id}`;
+    }
+  };
+
+  // modules/services/mapillary.js
+  var import_pbf = __toESM(require_pbf());
+  var import_rbush4 = __toESM(require_rbush_min());
+  var import_vector_tile = __toESM(require_vector_tile());
+  var accessToken = "MLY|4100327730013843|5bb78b81720791946a9a7b956c57b7cf";
+  var apiUrl = "https://graph.mapillary.com/";
+  var baseTileUrl = "https://tiles.mapillary.com/maps/vtp";
+  var mapFeatureTileUrl = `${baseTileUrl}/mly_map_feature_point/2/{z}/{x}/{y}?access_token=${accessToken}`;
+  var tileUrl = `${baseTileUrl}/mly1_public/2/{z}/{x}/{y}?access_token=${accessToken}`;
+  var trafficSignTileUrl = `${baseTileUrl}/mly_map_feature_traffic_sign/2/{z}/{x}/{y}?access_token=${accessToken}`;
+  var viewercss = "mapillary-js/mapillary.css";
+  var viewerjs = "mapillary-js/mapillary.js";
+  var minZoom = 14;
+  var dispatch5 = dispatch_default("change", "loadedImages", "loadedSigns", "loadedMapFeatures", "bearingChanged", "imageChanged");
+  var _loadViewerPromise;
+  var _mlyActiveImage;
+  var _mlyCache;
+  var _mlyFallback = false;
+  var _mlyHighlightedDetection;
+  var _mlyShowFeatureDetections = false;
+  var _mlyShowSignDetections = false;
+  var _mlyViewer;
+  var _mlyViewerFilter = ["all"];
+  function loadTiles(which, url, maxZoom2, projection2) {
+    const tiler8 = utilTiler().zoomExtent([minZoom, maxZoom2]).skipNullIsland(true);
+    const tiles = tiler8.getTiles(projection2);
+    tiles.forEach(function(tile) {
+      loadTile(which, url, tile);
+    });
+  }
+  function loadTile(which, url, tile) {
+    const cache = _mlyCache.requests;
+    const tileId = `${tile.id}-${which}`;
+    if (cache.loaded[tileId] || cache.inflight[tileId])
+      return;
+    const controller = new AbortController();
+    cache.inflight[tileId] = controller;
+    const requestUrl = url.replace("{x}", tile.xyz[0]).replace("{y}", tile.xyz[1]).replace("{z}", tile.xyz[2]);
+    fetch(requestUrl, { signal: controller.signal }).then(function(response) {
+      if (!response.ok) {
+        throw new Error(response.status + " " + response.statusText);
+      }
+      cache.loaded[tileId] = true;
+      delete cache.inflight[tileId];
+      return response.arrayBuffer();
+    }).then(function(data) {
+      if (!data) {
+        throw new Error("No Data");
+      }
+      loadTileDataToCache(data, tile, which);
+      if (which === "images") {
+        dispatch5.call("loadedImages");
+      } else if (which === "signs") {
+        dispatch5.call("loadedSigns");
+      } else if (which === "points") {
+        dispatch5.call("loadedMapFeatures");
+      }
+    }).catch(function() {
+      cache.loaded[tileId] = true;
+      delete cache.inflight[tileId];
+    });
+  }
+  function loadTileDataToCache(data, tile, which) {
+    const vectorTile = new import_vector_tile.VectorTile(new import_pbf.default(data));
+    let features, cache, layer, i2, feature3, loc, d;
+    if (vectorTile.layers.hasOwnProperty("image")) {
+      features = [];
+      cache = _mlyCache.images;
+      layer = vectorTile.layers.image;
+      for (i2 = 0; i2 < layer.length; i2++) {
+        feature3 = layer.feature(i2).toGeoJSON(tile.xyz[0], tile.xyz[1], tile.xyz[2]);
+        loc = feature3.geometry.coordinates;
+        d = {
+          loc,
+          captured_at: feature3.properties.captured_at,
+          ca: feature3.properties.compass_angle,
+          id: feature3.properties.id,
+          is_pano: feature3.properties.is_pano,
+          sequence_id: feature3.properties.sequence_id
+        };
+        cache.forImageId[d.id] = d;
+        features.push({
+          minX: loc[0],
+          minY: loc[1],
+          maxX: loc[0],
+          maxY: loc[1],
+          data: d
+        });
+      }
+      if (cache.rtree) {
+        cache.rtree.load(features);
+      }
+    }
+    if (vectorTile.layers.hasOwnProperty("sequence")) {
+      features = [];
+      cache = _mlyCache.sequences;
+      layer = vectorTile.layers.sequence;
+      for (i2 = 0; i2 < layer.length; i2++) {
+        feature3 = layer.feature(i2).toGeoJSON(tile.xyz[0], tile.xyz[1], tile.xyz[2]);
+        if (cache.lineString[feature3.properties.id]) {
+          cache.lineString[feature3.properties.id].push(feature3);
+        } else {
+          cache.lineString[feature3.properties.id] = [feature3];
+        }
+      }
+    }
+    if (vectorTile.layers.hasOwnProperty("point")) {
+      features = [];
+      cache = _mlyCache[which];
+      layer = vectorTile.layers.point;
+      for (i2 = 0; i2 < layer.length; i2++) {
+        feature3 = layer.feature(i2).toGeoJSON(tile.xyz[0], tile.xyz[1], tile.xyz[2]);
+        loc = feature3.geometry.coordinates;
+        d = {
+          loc,
+          id: feature3.properties.id,
+          first_seen_at: feature3.properties.first_seen_at,
+          last_seen_at: feature3.properties.last_seen_at,
+          value: feature3.properties.value
+        };
+        features.push({
+          minX: loc[0],
+          minY: loc[1],
+          maxX: loc[0],
+          maxY: loc[1],
+          data: d
+        });
+      }
+      if (cache.rtree) {
+        cache.rtree.load(features);
+      }
+    }
+    if (vectorTile.layers.hasOwnProperty("traffic_sign")) {
+      features = [];
+      cache = _mlyCache[which];
+      layer = vectorTile.layers.traffic_sign;
+      for (i2 = 0; i2 < layer.length; i2++) {
+        feature3 = layer.feature(i2).toGeoJSON(tile.xyz[0], tile.xyz[1], tile.xyz[2]);
+        loc = feature3.geometry.coordinates;
+        d = {
+          loc,
+          id: feature3.properties.id,
+          first_seen_at: feature3.properties.first_seen_at,
+          last_seen_at: feature3.properties.last_seen_at,
+          value: feature3.properties.value
+        };
+        features.push({
+          minX: loc[0],
+          minY: loc[1],
+          maxX: loc[0],
+          maxY: loc[1],
+          data: d
+        });
+      }
+      if (cache.rtree) {
+        cache.rtree.load(features);
+      }
+    }
+  }
+  function loadData(url) {
+    return fetch(url).then(function(response) {
+      if (!response.ok) {
+        throw new Error(response.status + " " + response.statusText);
+      }
+      return response.json();
+    }).then(function(result) {
+      if (!result) {
+        return [];
+      }
+      return result.data || [];
+    });
+  }
+  function partitionViewport(projection2) {
+    const z = geoScaleToZoom(projection2.scale());
+    const z2 = Math.ceil(z * 2) / 2 + 2.5;
+    const tiler8 = utilTiler().zoomExtent([z2, z2]);
+    return tiler8.getTiles(projection2).map(function(tile) {
+      return tile.extent;
+    });
+  }
+  function searchLimited(limit, projection2, rtree) {
+    limit = limit || 5;
+    return partitionViewport(projection2).reduce(function(result, extent) {
+      const found = rtree.search(extent.bbox()).slice(0, limit).map(function(d) {
+        return d.data;
+      });
+      return found.length ? result.concat(found) : result;
+    }, []);
+  }
+  var mapillary_default = {
+    // Initialize Mapillary
+    init: function() {
+      if (!_mlyCache) {
+        this.reset();
+      }
+      this.event = utilRebind(this, dispatch5, "on");
+    },
+    // Reset cache and state
+    reset: function() {
+      if (_mlyCache) {
+        Object.values(_mlyCache.requests.inflight).forEach(function(request3) {
+          request3.abort();
+        });
+      }
+      _mlyCache = {
+        images: { rtree: new import_rbush4.default(), forImageId: {} },
+        image_detections: { forImageId: {} },
+        signs: { rtree: new import_rbush4.default() },
+        points: { rtree: new import_rbush4.default() },
+        sequences: { rtree: new import_rbush4.default(), lineString: {} },
+        requests: { loaded: {}, inflight: {} }
+      };
+      _mlyActiveImage = null;
+    },
+    // Get visible images
+    images: function(projection2) {
+      const limit = 5;
+      return searchLimited(limit, projection2, _mlyCache.images.rtree);
+    },
+    // Get visible traffic signs
+    signs: function(projection2) {
+      const limit = 5;
+      return searchLimited(limit, projection2, _mlyCache.signs.rtree);
+    },
+    // Get visible map (point) features
+    mapFeatures: function(projection2) {
+      const limit = 5;
+      return searchLimited(limit, projection2, _mlyCache.points.rtree);
+    },
+    // Get cached image by id
+    cachedImage: function(imageId) {
+      return _mlyCache.images.forImageId[imageId];
+    },
+    // Get visible sequences
+    sequences: function(projection2) {
+      const viewport = projection2.clipExtent();
+      const min3 = [viewport[0][0], viewport[1][1]];
+      const max3 = [viewport[1][0], viewport[0][1]];
+      const bbox2 = geoExtent(projection2.invert(min3), projection2.invert(max3)).bbox();
+      const sequenceIds = {};
+      let lineStrings = [];
+      _mlyCache.images.rtree.search(bbox2).forEach(function(d) {
+        if (d.data.sequence_id) {
+          sequenceIds[d.data.sequence_id] = true;
+        }
+      });
+      Object.keys(sequenceIds).forEach(function(sequenceId) {
+        if (_mlyCache.sequences.lineString[sequenceId]) {
+          lineStrings = lineStrings.concat(_mlyCache.sequences.lineString[sequenceId]);
+        }
+      });
+      return lineStrings;
+    },
+    // Load images in the visible area
+    loadImages: function(projection2) {
+      loadTiles("images", tileUrl, 14, projection2);
+    },
+    // Load traffic signs in the visible area
+    loadSigns: function(projection2) {
+      loadTiles("signs", trafficSignTileUrl, 14, projection2);
+    },
+    // Load map (point) features in the visible area
+    loadMapFeatures: function(projection2) {
+      loadTiles("points", mapFeatureTileUrl, 14, projection2);
+    },
+    // Return a promise that resolves when the image viewer (Mapillary JS) library has finished loading
+    ensureViewerLoaded: function(context) {
+      if (_loadViewerPromise)
+        return _loadViewerPromise;
+      const wrap2 = context.container().select(".photoviewer").selectAll(".mly-wrapper").data([0]);
+      wrap2.enter().append("div").attr("id", "ideditor-mly").attr("class", "photo-wrapper mly-wrapper").classed("hide", true);
+      const that = this;
+      _loadViewerPromise = new Promise((resolve, reject) => {
+        let loadedCount = 0;
+        function loaded() {
+          loadedCount += 1;
+          if (loadedCount === 2)
+            resolve();
+        }
+        const head = select_default2("head");
+        head.selectAll("#ideditor-mapillary-viewercss").data([0]).enter().append("link").attr("id", "ideditor-mapillary-viewercss").attr("rel", "stylesheet").attr("crossorigin", "anonymous").attr("href", context.asset(viewercss)).on("load.serviceMapillary", loaded).on("error.serviceMapillary", function() {
+          reject();
+        });
+        head.selectAll("#ideditor-mapillary-viewerjs").data([0]).enter().append("script").attr("id", "ideditor-mapillary-viewerjs").attr("crossorigin", "anonymous").attr("src", context.asset(viewerjs)).on("load.serviceMapillary", loaded).on("error.serviceMapillary", function() {
+          reject();
+        });
+      }).catch(function() {
+        _loadViewerPromise = null;
+      }).then(function() {
+        that.initViewer(context);
+      });
+      return _loadViewerPromise;
+    },
+    // Load traffic sign image sprites
+    loadSignResources: function(context) {
+      context.ui().svgDefs.addSprites(
+        ["mapillary-sprite"],
+        false
+        /* don't override colors */
+      );
+      return this;
+    },
+    // Load map (point) feature image sprites
+    loadObjectResources: function(context) {
+      context.ui().svgDefs.addSprites(
+        ["mapillary-object-sprite"],
+        false
+        /* don't override colors */
+      );
+      return this;
+    },
+    // Remove previous detections in image viewer
+    resetTags: function() {
+      if (_mlyViewer && !_mlyFallback) {
+        _mlyViewer.getComponent("tag").removeAll();
+      }
+    },
+    // Show map feature detections in image viewer
+    showFeatureDetections: function(value) {
+      _mlyShowFeatureDetections = value;
+      if (!_mlyShowFeatureDetections && !_mlyShowSignDetections) {
+        this.resetTags();
+      }
+    },
+    // Show traffic sign detections in image viewer
+    showSignDetections: function(value) {
+      _mlyShowSignDetections = value;
+      if (!_mlyShowFeatureDetections && !_mlyShowSignDetections) {
+        this.resetTags();
+      }
+    },
+    // Apply filter to image viewer
+    filterViewer: function(context) {
+      const showsPano = context.photos().showsPanoramic();
+      const showsFlat = context.photos().showsFlat();
+      const fromDate = context.photos().fromDate();
+      const toDate = context.photos().toDate();
+      const filter2 = ["all"];
+      if (!showsPano)
+        filter2.push(["!=", "cameraType", "spherical"]);
+      if (!showsFlat && showsPano)
+        filter2.push(["==", "pano", true]);
+      if (fromDate) {
+        filter2.push([">=", "capturedAt", new Date(fromDate).getTime()]);
+      }
+      if (toDate) {
+        filter2.push([">=", "capturedAt", new Date(toDate).getTime()]);
+      }
+      if (_mlyViewer) {
+        _mlyViewer.setFilter(filter2);
+      }
+      _mlyViewerFilter = filter2;
+      return filter2;
+    },
+    // Make the image viewer visible
+    showViewer: function(context) {
+      const wrap2 = context.container().select(".photoviewer").classed("hide", false);
+      const isHidden = wrap2.selectAll(".photo-wrapper.mly-wrapper.hide").size();
+      if (isHidden && _mlyViewer) {
+        wrap2.selectAll(".photo-wrapper:not(.mly-wrapper)").classed("hide", true);
+        wrap2.selectAll(".photo-wrapper.mly-wrapper").classed("hide", false);
+        _mlyViewer.resize();
+      }
+      return this;
+    },
+    // Hide the image viewer and resets map markers
+    hideViewer: function(context) {
+      _mlyActiveImage = null;
+      if (!_mlyFallback && _mlyViewer) {
+        _mlyViewer.getComponent("sequence").stop();
+      }
+      const viewer = context.container().select(".photoviewer");
+      if (!viewer.empty())
+        viewer.datum(null);
+      viewer.classed("hide", true).selectAll(".photo-wrapper").classed("hide", true);
+      this.updateUrlImage(null);
+      dispatch5.call("imageChanged");
+      dispatch5.call("loadedMapFeatures");
+      dispatch5.call("loadedSigns");
+      return this.setStyles(context, null);
+    },
+    // Update the URL with current image id
+    updateUrlImage: function(imageId) {
+      if (!window.mocha) {
+        const hash = utilStringQs(window.location.hash);
+        if (imageId) {
+          hash.photo = "mapillary/" + imageId;
+        } else {
+          delete hash.photo;
+        }
+        window.location.replace("#" + utilQsString(hash, true));
+      }
+    },
+    // Highlight the detection in the viewer that is related to the clicked map feature
+    highlightDetection: function(detection) {
+      if (detection) {
+        _mlyHighlightedDetection = detection.id;
+      }
+      return this;
+    },
+    // Initialize image viewer (Mapillar JS)
+    initViewer: function(context) {
+      const that = this;
+      if (!window.mapillary)
+        return;
+      const opts = {
+        accessToken,
+        component: {
+          cover: false,
+          keyboard: false,
+          tag: true
+        },
+        container: "ideditor-mly"
+      };
+      if (!mapillary.isSupported() && mapillary.isFallbackSupported()) {
+        _mlyFallback = true;
+        opts.component = {
+          cover: false,
+          direction: false,
+          imagePlane: false,
+          keyboard: false,
+          mouse: false,
+          sequence: false,
+          tag: false,
+          image: true,
+          // fallback
+          navigation: true
+          // fallback
+        };
+      }
+      _mlyViewer = new mapillary.Viewer(opts);
+      _mlyViewer.on("image", imageChanged);
+      _mlyViewer.on("bearing", bearingChanged);
+      if (_mlyViewerFilter) {
+        _mlyViewer.setFilter(_mlyViewerFilter);
+      }
+      context.ui().photoviewer.on("resize.mapillary", function() {
+        if (_mlyViewer)
+          _mlyViewer.resize();
+      });
+      function imageChanged(node) {
+        that.resetTags();
+        const image = node.image;
+        that.setActiveImage(image);
+        that.setStyles(context, null);
+        const loc = [image.originalLngLat.lng, image.originalLngLat.lat];
+        context.map().centerEase(loc);
+        that.updateUrlImage(image.id);
+        if (_mlyShowFeatureDetections || _mlyShowSignDetections) {
+          that.updateDetections(image.id, `${apiUrl}/${image.id}/detections?access_token=${accessToken}&fields=id,image,geometry,value`);
+        }
+        dispatch5.call("imageChanged");
+      }
+      function bearingChanged(e) {
+        dispatch5.call("bearingChanged", void 0, e);
+      }
+    },
+    // Move to an image
+    selectImage: function(context, imageId) {
+      if (_mlyViewer && imageId) {
+        _mlyViewer.moveTo(imageId).catch(function(e) {
+          console.error("mly3", e);
+        });
+      }
+      return this;
+    },
+    // Return the currently displayed image
+    getActiveImage: function() {
+      return _mlyActiveImage;
+    },
+    // Return a list of detection objects for the given id
+    getDetections: function(id2) {
+      return loadData(`${apiUrl}/${id2}/detections?access_token=${accessToken}&fields=id,value,image`);
+    },
+    // Set the currently visible image
+    setActiveImage: function(image) {
+      if (image) {
+        _mlyActiveImage = {
+          ca: image.originalCompassAngle,
+          id: image.id,
+          loc: [image.originalLngLat.lng, image.originalLngLat.lat],
+          is_pano: image.cameraType === "spherical",
+          sequence_id: image.sequenceId
+        };
+      } else {
+        _mlyActiveImage = null;
+      }
+    },
+    // Update the currently highlighted sequence and selected bubble.
+    setStyles: function(context, hovered) {
+      const hoveredImageId = hovered && hovered.id;
+      const hoveredSequenceId = hovered && hovered.sequence_id;
+      const selectedSequenceId = _mlyActiveImage && _mlyActiveImage.sequence_id;
+      context.container().selectAll(".layer-mapillary .viewfield-group").classed("highlighted", function(d) {
+        return d.sequence_id === selectedSequenceId || d.id === hoveredImageId;
+      }).classed("hovered", function(d) {
+        return d.id === hoveredImageId;
+      });
+      context.container().selectAll(".layer-mapillary .sequence").classed("highlighted", function(d) {
+        return d.properties.id === hoveredSequenceId;
+      }).classed("currentView", function(d) {
+        return d.properties.id === selectedSequenceId;
+      });
+      return this;
+    },
+    // Get detections for the current image and shows them in the image viewer
+    updateDetections: function(imageId, url) {
+      if (!_mlyViewer || _mlyFallback)
+        return;
+      if (!imageId)
+        return;
+      const cache = _mlyCache.image_detections;
+      if (cache.forImageId[imageId]) {
+        showDetections(_mlyCache.image_detections.forImageId[imageId]);
+      } else {
+        loadData(url).then((detections) => {
+          detections.forEach(function(detection) {
+            if (!cache.forImageId[imageId]) {
+              cache.forImageId[imageId] = [];
+            }
+            cache.forImageId[imageId].push({
+              geometry: detection.geometry,
+              id: detection.id,
+              image_id: imageId,
+              value: detection.value
+            });
+          });
+          showDetections(_mlyCache.image_detections.forImageId[imageId] || []);
+        });
+      }
+      function showDetections(detections) {
+        const tagComponent = _mlyViewer.getComponent("tag");
+        detections.forEach(function(data) {
+          const tag = makeTag(data);
+          if (tag) {
+            tagComponent.add([tag]);
+          }
+        });
+      }
+      function makeTag(data) {
+        const valueParts = data.value.split("--");
+        if (!valueParts.length)
+          return;
+        let tag;
+        let text2;
+        let color2 = 16777215;
+        if (_mlyHighlightedDetection === data.id) {
+          color2 = 16776960;
+          text2 = valueParts[1];
+          if (text2 === "flat" || text2 === "discrete" || text2 === "sign") {
+            text2 = valueParts[2];
+          }
+          text2 = text2.replace(/-/g, " ");
+          text2 = text2.charAt(0).toUpperCase() + text2.slice(1);
+          _mlyHighlightedDetection = null;
+        }
+        var decodedGeometry = window.atob(data.geometry);
+        var uintArray = new Uint8Array(decodedGeometry.length);
+        for (var i2 = 0; i2 < decodedGeometry.length; i2++) {
+          uintArray[i2] = decodedGeometry.charCodeAt(i2);
+        }
+        const tile = new import_vector_tile.VectorTile(new import_pbf.default(uintArray.buffer));
+        const layer = tile.layers["mpy-or"];
+        const geometries = layer.feature(0).loadGeometry();
+        const polygon2 = geometries.map((ring) => ring.map((point2) => [point2.x / layer.extent, point2.y / layer.extent]));
+        tag = new mapillary.OutlineTag(
+          data.id,
+          new mapillary.PolygonGeometry(polygon2[0]),
+          {
+            text: text2,
+            textColor: color2,
+            lineColor: color2,
+            lineWidth: 2,
+            fillColor: color2,
+            fillOpacity: 0.3
+          }
+        );
+        return tag;
+      }
+    },
+    // Return the current cache
+    cache: function() {
+      return _mlyCache;
+    }
+  };
+
+  // modules/core/validation/models.js
+  function validationIssue(attrs) {
+    this.type = attrs.type;
+    this.subtype = attrs.subtype;
+    this.severity = attrs.severity;
+    this.message = attrs.message;
+    this.reference = attrs.reference;
+    this.entityIds = attrs.entityIds;
+    this.loc = attrs.loc;
+    this.data = attrs.data;
+    this.dynamicFixes = attrs.dynamicFixes;
+    this.hash = attrs.hash;
+    this.id = generateID.apply(this);
+    this.key = generateKey.apply(this);
+    this.autoFix = null;
+    function generateID() {
+      var parts = [this.type];
+      if (this.hash) {
+        parts.push(this.hash);
+      }
+      if (this.subtype) {
+        parts.push(this.subtype);
+      }
+      if (this.entityIds) {
+        var entityKeys = this.entityIds.slice().sort();
+        parts.push.apply(parts, entityKeys);
+      }
+      return parts.join(":");
+    }
+    function generateKey() {
+      return this.id + ":" + Date.now().toString();
+    }
+    this.extent = function(resolver) {
+      if (this.loc) {
+        return geoExtent(this.loc);
+      }
+      if (this.entityIds && this.entityIds.length) {
+        return this.entityIds.reduce(function(extent, entityId) {
+          return extent.extend(resolver.entity(entityId).extent(resolver));
+        }, geoExtent());
+      }
+      return null;
+    };
+    this.fixes = function(context) {
+      var fixes = this.dynamicFixes ? this.dynamicFixes(context) : [];
+      var issue = this;
+      if (issue.severity === "warning") {
+        fixes.push(new validationIssueFix({
+          title: _t.append("issues.fix.ignore_issue.title"),
+          icon: "iD-icon-close",
+          onClick: function() {
+            context.validator().ignoreIssue(this.issue.id);
+          }
+        }));
+      }
+      fixes.forEach(function(fix) {
+        fix.id = fix.title.stringId;
+        fix.issue = issue;
+        if (fix.autoArgs) {
+          issue.autoFix = fix;
+        }
+      });
+      return fixes;
+    };
+  }
+  function validationIssueFix(attrs) {
+    this.title = attrs.title;
+    this.onClick = attrs.onClick;
+    this.disabledReason = attrs.disabledReason;
+    this.icon = attrs.icon;
+    this.entityIds = attrs.entityIds || [];
+    this.autoArgs = attrs.autoArgs;
+    this.issue = null;
+  }
+
+  // modules/services/maprules.js
+  var buildRuleChecks = function() {
+    return {
+      equals: function(equals) {
+        return function(tags) {
+          return Object.keys(equals).every(function(k) {
+            return equals[k] === tags[k];
+          });
+        };
+      },
+      notEquals: function(notEquals) {
+        return function(tags) {
+          return Object.keys(notEquals).some(function(k) {
+            return notEquals[k] !== tags[k];
+          });
+        };
+      },
+      absence: function(absence) {
+        return function(tags) {
+          return Object.keys(tags).indexOf(absence) === -1;
+        };
+      },
+      presence: function(presence) {
+        return function(tags) {
+          return Object.keys(tags).indexOf(presence) > -1;
+        };
+      },
+      greaterThan: function(greaterThan) {
+        var key = Object.keys(greaterThan)[0];
+        var value = greaterThan[key];
+        return function(tags) {
+          return tags[key] > value;
+        };
+      },
+      greaterThanEqual: function(greaterThanEqual) {
+        var key = Object.keys(greaterThanEqual)[0];
+        var value = greaterThanEqual[key];
+        return function(tags) {
+          return tags[key] >= value;
+        };
+      },
+      lessThan: function(lessThan) {
+        var key = Object.keys(lessThan)[0];
+        var value = lessThan[key];
+        return function(tags) {
+          return tags[key] < value;
+        };
+      },
+      lessThanEqual: function(lessThanEqual) {
+        var key = Object.keys(lessThanEqual)[0];
+        var value = lessThanEqual[key];
+        return function(tags) {
+          return tags[key] <= value;
+        };
+      },
+      positiveRegex: function(positiveRegex) {
+        var tagKey = Object.keys(positiveRegex)[0];
+        var expression = positiveRegex[tagKey].join("|");
+        var regex = new RegExp(expression);
+        return function(tags) {
+          return regex.test(tags[tagKey]);
+        };
+      },
+      negativeRegex: function(negativeRegex) {
+        var tagKey = Object.keys(negativeRegex)[0];
+        var expression = negativeRegex[tagKey].join("|");
+        var regex = new RegExp(expression);
+        return function(tags) {
+          return !regex.test(tags[tagKey]);
+        };
+      }
+    };
+  };
+  var buildLineKeys = function() {
+    return {
+      highway: {
+        rest_area: true,
+        services: true
+      },
+      railway: {
+        roundhouse: true,
+        station: true,
+        traverser: true,
+        turntable: true,
+        wash: true
+      }
+    };
+  };
+  var maprules_default = {
+    init: function() {
+      this._ruleChecks = buildRuleChecks();
+      this._validationRules = [];
+      this._areaKeys = osmAreaKeys;
+      this._lineKeys = buildLineKeys();
+    },
+    // list of rules only relevant to tag checks...
+    filterRuleChecks: function(selector) {
+      var _ruleChecks = this._ruleChecks;
+      return Object.keys(selector).reduce(function(rules, key) {
+        if (["geometry", "error", "warning"].indexOf(key) === -1) {
+          rules.push(_ruleChecks[key](selector[key]));
+        }
+        return rules;
+      }, []);
+    },
+    // builds tagMap from mapcss-parse selector object...
+    buildTagMap: function(selector) {
+      var getRegexValues = function(regexes) {
+        return regexes.map(function(regex) {
+          return regex.replace(/\$|\^/g, "");
+        });
+      };
+      var tagMap = Object.keys(selector).reduce(function(expectedTags, key) {
+        var values;
+        var isRegex = /regex/gi.test(key);
+        var isEqual4 = /equals/gi.test(key);
+        if (isRegex || isEqual4) {
+          Object.keys(selector[key]).forEach(function(selectorKey) {
+            values = isEqual4 ? [selector[key][selectorKey]] : getRegexValues(selector[key][selectorKey]);
+            if (expectedTags.hasOwnProperty(selectorKey)) {
+              values = values.concat(expectedTags[selectorKey]);
+            }
+            expectedTags[selectorKey] = values;
+          });
+        } else if (/(greater|less)Than(Equal)?|presence/g.test(key)) {
+          var tagKey = /presence/.test(key) ? selector[key] : Object.keys(selector[key])[0];
+          values = [selector[key][tagKey]];
+          if (expectedTags.hasOwnProperty(tagKey)) {
+            values = values.concat(expectedTags[tagKey]);
+          }
+          expectedTags[tagKey] = values;
+        }
+        return expectedTags;
+      }, {});
+      return tagMap;
+    },
+    // inspired by osmWay#isArea()
+    inferGeometry: function(tagMap) {
+      var _lineKeys = this._lineKeys;
+      var _areaKeys = this._areaKeys;
+      var keyValueDoesNotImplyArea = function(key2) {
+        return utilArrayIntersection(tagMap[key2], Object.keys(_areaKeys[key2])).length > 0;
+      };
+      var keyValueImpliesLine = function(key2) {
+        return utilArrayIntersection(tagMap[key2], Object.keys(_lineKeys[key2])).length > 0;
+      };
+      if (tagMap.hasOwnProperty("area")) {
+        if (tagMap.area.indexOf("yes") > -1) {
+          return "area";
+        }
+        if (tagMap.area.indexOf("no") > -1) {
+          return "line";
+        }
+      }
+      for (var key in tagMap) {
+        if (key in _areaKeys && !keyValueDoesNotImplyArea(key)) {
+          return "area";
+        }
+        if (key in _lineKeys && keyValueImpliesLine(key)) {
+          return "area";
+        }
+      }
+      return "line";
+    },
+    // adds from mapcss-parse selector check...
+    addRule: function(selector) {
+      var rule = {
+        // checks relevant to mapcss-selector
+        checks: this.filterRuleChecks(selector),
+        // true if all conditions for a tag error are true..
+        matches: function(entity) {
+          return this.checks.every(function(check) {
+            return check(entity.tags);
+          });
+        },
+        // borrowed from Way#isArea()
+        inferredGeometry: this.inferGeometry(this.buildTagMap(selector), this._areaKeys),
+        geometryMatches: function(entity, graph) {
+          if (entity.type === "node" || entity.type === "relation") {
+            return selector.geometry === entity.type;
+          } else if (entity.type === "way") {
+            return this.inferredGeometry === entity.geometry(graph);
+          }
+        },
+        // when geometries match and tag matches are present, return a warning...
+        findIssues: function(entity, graph, issues) {
+          if (this.geometryMatches(entity, graph) && this.matches(entity)) {
+            var severity = Object.keys(selector).indexOf("error") > -1 ? "error" : "warning";
+            var message = selector[severity];
+            issues.push(new validationIssue({
+              type: "maprules",
+              severity,
+              message: function() {
+                return message;
+              },
+              entityIds: [entity.id]
+            }));
+          }
+        }
+      };
+      this._validationRules.push(rule);
+    },
+    clearRules: function() {
+      this._validationRules = [];
+    },
+    // returns validationRules...
+    validationRules: function() {
+      return this._validationRules;
+    },
+    // returns ruleChecks
+    ruleChecks: function() {
+      return this._ruleChecks;
+    }
+  };
+
+  // modules/services/nominatim.js
+  var import_rbush7 = __toESM(require_rbush_min());
+
+  // modules/core/difference.js
+  var import_fast_deep_equal3 = __toESM(require_fast_deep_equal());
+  function coreDifference(base, head) {
+    var _changes = {};
+    var _didChange = {};
+    var _diff = {};
+    function checkEntityID(id2) {
+      var h = head.entities[id2];
+      var b = base.entities[id2];
+      if (h === b)
+        return;
+      if (_changes[id2])
+        return;
+      if (!h && b) {
+        _changes[id2] = { base: b, head: h };
+        _didChange.deletion = true;
+        return;
+      }
+      if (h && !b) {
+        _changes[id2] = { base: b, head: h };
+        _didChange.addition = true;
+        return;
+      }
+      if (h && b) {
+        if (h.members && b.members && !(0, import_fast_deep_equal3.default)(h.members, b.members)) {
+          _changes[id2] = { base: b, head: h };
+          _didChange.geometry = true;
+          _didChange.properties = true;
+          return;
+        }
+        if (h.loc && b.loc && !geoVecEqual(h.loc, b.loc)) {
+          _changes[id2] = { base: b, head: h };
+          _didChange.geometry = true;
+        }
+        if (h.nodes && b.nodes && !(0, import_fast_deep_equal3.default)(h.nodes, b.nodes)) {
+          _changes[id2] = { base: b, head: h };
+          _didChange.geometry = true;
+        }
+        if (h.tags && b.tags && !(0, import_fast_deep_equal3.default)(h.tags, b.tags)) {
+          _changes[id2] = { base: b, head: h };
+          _didChange.properties = true;
+        }
+      }
+    }
+    function load() {
+      var ids = utilArrayUniq(Object.keys(head.entities).concat(Object.keys(base.entities)));
+      for (var i2 = 0; i2 < ids.length; i2++) {
+        checkEntityID(ids[i2]);
+      }
+    }
+    load();
+    _diff.length = function length() {
+      return Object.keys(_changes).length;
+    };
+    _diff.changes = function changes() {
+      return _changes;
+    };
+    _diff.didChange = _didChange;
+    _diff.extantIDs = function extantIDs(includeRelMembers) {
+      var result = /* @__PURE__ */ new Set();
+      Object.keys(_changes).forEach(function(id2) {
+        if (_changes[id2].head) {
+          result.add(id2);
+        }
+        var h = _changes[id2].head;
+        var b = _changes[id2].base;
+        var entity = h || b;
+        if (includeRelMembers && entity.type === "relation") {
+          var mh = h ? h.members.map(function(m) {
+            return m.id;
+          }) : [];
+          var mb = b ? b.members.map(function(m) {
+            return m.id;
+          }) : [];
+          utilArrayUnion(mh, mb).forEach(function(memberID) {
+            if (head.hasEntity(memberID)) {
+              result.add(memberID);
+            }
+          });
+        }
+      });
+      return Array.from(result);
+    };
+    _diff.modified = function modified() {
+      var result = [];
+      Object.values(_changes).forEach(function(change) {
+        if (change.base && change.head) {
+          result.push(change.head);
+        }
+      });
+      return result;
+    };
+    _diff.created = function created() {
+      var result = [];
+      Object.values(_changes).forEach(function(change) {
+        if (!change.base && change.head) {
+          result.push(change.head);
+        }
+      });
+      return result;
+    };
+    _diff.deleted = function deleted() {
+      var result = [];
+      Object.values(_changes).forEach(function(change) {
+        if (change.base && !change.head) {
+          result.push(change.base);
+        }
+      });
+      return result;
+    };
+    _diff.summary = function summary() {
+      var relevant = {};
+      var keys2 = Object.keys(_changes);
+      for (var i2 = 0; i2 < keys2.length; i2++) {
+        var change = _changes[keys2[i2]];
+        if (change.head && change.head.geometry(head) !== "vertex") {
+          addEntity(change.head, head, change.base ? "modified" : "created");
+        } else if (change.base && change.base.geometry(base) !== "vertex") {
+          addEntity(change.base, base, "deleted");
+        } else if (change.base && change.head) {
+          var moved = !(0, import_fast_deep_equal3.default)(change.base.loc, change.head.loc);
+          var retagged = !(0, import_fast_deep_equal3.default)(change.base.tags, change.head.tags);
+          if (moved) {
+            addParents(change.head);
+          }
+          if (retagged || moved && change.head.hasInterestingTags()) {
+            addEntity(change.head, head, "modified");
+          }
+        } else if (change.head && change.head.hasInterestingTags()) {
+          addEntity(change.head, head, "created");
+        } else if (change.base && change.base.hasInterestingTags()) {
+          addEntity(change.base, base, "deleted");
+        }
+      }
+      return Object.values(relevant);
+      function addEntity(entity, graph, changeType) {
+        relevant[entity.id] = {
+          entity,
+          graph,
+          changeType
+        };
+      }
+      function addParents(entity) {
+        var parents = head.parentWays(entity);
+        for (var j2 = parents.length - 1; j2 >= 0; j2--) {
+          var parent = parents[j2];
+          if (!(parent.id in relevant)) {
+            addEntity(parent, head, "modified");
+          }
+        }
+      }
+    };
+    _diff.complete = function complete(extent) {
+      var result = {};
+      var id2, change;
+      for (id2 in _changes) {
+        change = _changes[id2];
+        var h = change.head;
+        var b = change.base;
+        var entity = h || b;
+        var i2;
+        if (extent && (!h || !h.intersects(extent, head)) && (!b || !b.intersects(extent, base))) {
+          continue;
+        }
+        result[id2] = h;
+        if (entity.type === "way") {
+          var nh = h ? h.nodes : [];
+          var nb = b ? b.nodes : [];
+          var diff;
+          diff = utilArrayDifference(nh, nb);
+          for (i2 = 0; i2 < diff.length; i2++) {
+            result[diff[i2]] = head.hasEntity(diff[i2]);
+          }
+          diff = utilArrayDifference(nb, nh);
+          for (i2 = 0; i2 < diff.length; i2++) {
+            result[diff[i2]] = head.hasEntity(diff[i2]);
+          }
+        }
+        if (entity.type === "relation" && entity.isMultipolygon()) {
+          var mh = h ? h.members.map(function(m) {
+            return m.id;
+          }) : [];
+          var mb = b ? b.members.map(function(m) {
+            return m.id;
+          }) : [];
+          var ids = utilArrayUnion(mh, mb);
+          for (i2 = 0; i2 < ids.length; i2++) {
+            var member = head.hasEntity(ids[i2]);
+            if (!member)
+              continue;
+            if (extent && !member.intersects(extent, head))
+              continue;
+            result[ids[i2]] = member;
+          }
+        }
+        addParents(head.parentWays(entity), result);
+        addParents(head.parentRelations(entity), result);
+      }
+      return result;
+      function addParents(parents, result2) {
+        for (var i3 = 0; i3 < parents.length; i3++) {
+          var parent = parents[i3];
+          if (parent.id in result2)
+            continue;
+          result2[parent.id] = parent;
+          addParents(head.parentRelations(parent), result2);
+        }
+      }
+    };
+    return _diff;
+  }
+
+  // modules/core/tree.js
+  var import_rbush5 = __toESM(require_rbush_min());
+  function coreTree(head) {
+    var _rtree = new import_rbush5.default();
+    var _bboxes = {};
+    var _segmentsRTree = new import_rbush5.default();
+    var _segmentsBBoxes = {};
+    var _segmentsByWayId = {};
+    var tree = {};
+    function entityBBox(entity) {
+      var bbox2 = entity.extent(head).bbox();
+      bbox2.id = entity.id;
+      _bboxes[entity.id] = bbox2;
+      return bbox2;
+    }
+    function segmentBBox(segment) {
+      var extent = segment.extent(head);
+      if (!extent)
+        return null;
+      var bbox2 = extent.bbox();
+      bbox2.segment = segment;
+      _segmentsBBoxes[segment.id] = bbox2;
+      return bbox2;
+    }
+    function removeEntity(entity) {
+      _rtree.remove(_bboxes[entity.id]);
+      delete _bboxes[entity.id];
+      if (_segmentsByWayId[entity.id]) {
+        _segmentsByWayId[entity.id].forEach(function(segment) {
+          _segmentsRTree.remove(_segmentsBBoxes[segment.id]);
+          delete _segmentsBBoxes[segment.id];
+        });
+        delete _segmentsByWayId[entity.id];
+      }
+    }
+    function loadEntities(entities) {
+      _rtree.load(entities.map(entityBBox));
+      var segments = [];
+      entities.forEach(function(entity) {
+        if (entity.segments) {
+          var entitySegments = entity.segments(head);
+          _segmentsByWayId[entity.id] = entitySegments;
+          segments = segments.concat(entitySegments);
+        }
+      });
+      if (segments.length)
+        _segmentsRTree.load(segments.map(segmentBBox).filter(Boolean));
+    }
+    function updateParents(entity, insertions, memo) {
+      head.parentWays(entity).forEach(function(way) {
+        if (_bboxes[way.id]) {
+          removeEntity(way);
+          insertions[way.id] = way;
+        }
+        updateParents(way, insertions, memo);
+      });
+      head.parentRelations(entity).forEach(function(relation) {
+        if (memo[entity.id])
+          return;
+        memo[entity.id] = true;
+        if (_bboxes[relation.id]) {
+          removeEntity(relation);
+          insertions[relation.id] = relation;
+        }
+        updateParents(relation, insertions, memo);
+      });
+    }
+    tree.rebase = function(entities, force) {
+      var insertions = {};
+      for (var i2 = 0; i2 < entities.length; i2++) {
+        var entity = entities[i2];
+        if (!entity.visible)
+          continue;
+        if (head.entities.hasOwnProperty(entity.id) || _bboxes[entity.id]) {
+          if (!force) {
+            continue;
+          } else if (_bboxes[entity.id]) {
+            removeEntity(entity);
+          }
+        }
+        insertions[entity.id] = entity;
+        updateParents(entity, insertions, {});
+      }
+      loadEntities(Object.values(insertions));
+      return tree;
+    };
+    function updateToGraph(graph) {
+      if (graph === head)
+        return;
+      var diff = coreDifference(head, graph);
+      head = graph;
+      var changed = diff.didChange;
+      if (!changed.addition && !changed.deletion && !changed.geometry)
+        return;
+      var insertions = {};
+      if (changed.deletion) {
+        diff.deleted().forEach(function(entity) {
+          removeEntity(entity);
+        });
+      }
+      if (changed.geometry) {
+        diff.modified().forEach(function(entity) {
+          removeEntity(entity);
+          insertions[entity.id] = entity;
+          updateParents(entity, insertions, {});
+        });
+      }
+      if (changed.addition) {
+        diff.created().forEach(function(entity) {
+          insertions[entity.id] = entity;
+        });
+      }
+      loadEntities(Object.values(insertions));
+    }
+    tree.intersects = function(extent, graph) {
+      updateToGraph(graph);
+      return _rtree.search(extent.bbox()).map(function(bbox2) {
+        return graph.entity(bbox2.id);
+      });
+    };
+    tree.waySegments = function(extent, graph) {
+      updateToGraph(graph);
+      return _segmentsRTree.search(extent.bbox()).map(function(bbox2) {
+        return bbox2.segment;
+      });
+    };
+    return tree;
+  }
+
+  // modules/svg/icon.js
+  function svgIcon(name, svgklass, useklass) {
+    return function drawIcon(selection2) {
+      selection2.selectAll("svg.icon" + (svgklass ? "." + svgklass.split(" ")[0] : "")).data([0]).enter().append("svg").attr("class", "icon " + (svgklass || "")).append("use").attr("xlink:href", name).attr("class", useklass);
+    };
+  }
+
+  // modules/ui/modal.js
+  function uiModal(selection2, blocking) {
+    let keybinding = utilKeybinding("modal");
+    let previous = selection2.select("div.modal");
+    let animate = previous.empty();
+    previous.transition().duration(200).style("opacity", 0).remove();
+    let shaded = selection2.append("div").attr("class", "shaded").style("opacity", 0);
+    shaded.close = () => {
+      shaded.transition().duration(200).style("opacity", 0).remove();
+      modal.transition().duration(200).style("top", "0px");
+      select_default2(document).call(keybinding.unbind);
+    };
+    let modal = shaded.append("div").attr("class", "modal fillL");
+    modal.append("input").attr("class", "keytrap keytrap-first").on("focus.keytrap", moveFocusToLast);
+    if (!blocking) {
+      shaded.on("click.remove-modal", (d3_event) => {
+        if (d3_event.target === this) {
+          shaded.close();
+        }
+      });
+      modal.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", shaded.close).call(svgIcon("#iD-icon-close"));
+      keybinding.on("\u232B", shaded.close).on("\u238B", shaded.close);
+      select_default2(document).call(keybinding);
+    }
+    modal.append("div").attr("class", "content");
+    modal.append("input").attr("class", "keytrap keytrap-last").on("focus.keytrap", moveFocusToFirst);
+    if (animate) {
+      shaded.transition().style("opacity", 1);
+    } else {
+      shaded.style("opacity", 1);
+    }
+    return shaded;
+    function moveFocusToFirst() {
+      let node = modal.select("a, button, input:not(.keytrap), select, textarea").node();
+      if (node) {
+        node.focus();
+      } else {
+        select_default2(this).node().blur();
+      }
+    }
+    function moveFocusToLast() {
+      let nodes = modal.selectAll("a, button, input:not(.keytrap), select, textarea").nodes();
+      if (nodes.length) {
+        nodes[nodes.length - 1].focus();
+      } else {
+        select_default2(this).node().blur();
+      }
+    }
+  }
+
+  // modules/ui/loading.js
+  function uiLoading(context) {
+    let _modalSelection = select_default2(null);
+    let _message = "";
+    let _blocking = false;
+    let loading = (selection2) => {
+      _modalSelection = uiModal(selection2, _blocking);
+      let loadertext = _modalSelection.select(".content").classed("loading-modal", true).append("div").attr("class", "modal-section fillL");
+      loadertext.append("img").attr("class", "loader").attr("src", context.imagePath("loader-white.gif"));
+      loadertext.append("h3").html(_message);
+      _modalSelection.select("button.close").attr("class", "hide");
+      return loading;
+    };
+    loading.message = function(val) {
+      if (!arguments.length)
+        return _message;
+      _message = val;
+      return loading;
+    };
+    loading.blocking = function(val) {
+      if (!arguments.length)
+        return _blocking;
+      _blocking = val;
+      return loading;
+    };
+    loading.close = () => {
+      _modalSelection.remove();
+    };
+    loading.isShown = () => {
+      return _modalSelection && !_modalSelection.empty() && _modalSelection.node().parentNode;
+    };
+    return loading;
+  }
+
+  // modules/core/history.js
+  function coreHistory(context) {
+    var dispatch10 = dispatch_default("reset", "change", "merge", "restore", "undone", "redone", "storage_error");
+    var lock = utilSessionMutex("lock");
+    var _hasUnresolvedRestorableChanges = lock.lock() && !!corePreferences(getKey("saved_history"));
+    var duration = 150;
+    var _imageryUsed = [];
+    var _photoOverlaysUsed = [];
+    var _checkpoints = {};
+    var _pausedGraph;
+    var _stack;
+    var _index;
+    var _tree;
+    function _act(actions, t) {
+      actions = Array.prototype.slice.call(actions);
+      var annotation;
+      if (typeof actions[actions.length - 1] !== "function") {
+        annotation = actions.pop();
+      }
+      var graph = _stack[_index].graph;
+      for (var i2 = 0; i2 < actions.length; i2++) {
+        graph = actions[i2](graph, t);
+      }
+      return {
+        graph,
+        annotation,
+        imageryUsed: _imageryUsed,
+        photoOverlaysUsed: _photoOverlaysUsed,
+        transform: context.projection.transform(),
+        selectedIDs: context.selectedIDs()
+      };
+    }
+    function _perform(args, t) {
+      var previous = _stack[_index].graph;
+      _stack = _stack.slice(0, _index + 1);
+      var actionResult = _act(args, t);
+      _stack.push(actionResult);
+      _index++;
+      return change(previous);
+    }
+    function _replace(args, t) {
+      var previous = _stack[_index].graph;
+      var actionResult = _act(args, t);
+      _stack[_index] = actionResult;
+      return change(previous);
+    }
+    function _overwrite(args, t) {
+      var previous = _stack[_index].graph;
+      if (_index > 0) {
+        _index--;
+        _stack.pop();
+      }
+      _stack = _stack.slice(0, _index + 1);
+      var actionResult = _act(args, t);
+      _stack.push(actionResult);
+      _index++;
+      return change(previous);
+    }
+    function change(previous) {
+      var difference = coreDifference(previous, history.graph());
+      if (!_pausedGraph) {
+        dispatch10.call("change", this, difference);
+      }
+      return difference;
+    }
+    function getKey(n2) {
+      return "iD_" + window.location.origin + "_" + n2;
+    }
+    var history = {
+      graph: function() {
+        return _stack[_index].graph;
+      },
+      tree: function() {
+        return _tree;
+      },
+      base: function() {
+        return _stack[0].graph;
+      },
+      merge: function(entities) {
+        var stack = _stack.map(function(state) {
+          return state.graph;
+        });
+        _stack[0].graph.rebase(entities, stack, false);
+        _tree.rebase(entities, false);
+        dispatch10.call("merge", this, entities);
+      },
+      perform: function() {
+        select_default2(document).interrupt("history.perform");
+        var transitionable = false;
+        var action0 = arguments[0];
+        if (arguments.length === 1 || arguments.length === 2 && typeof arguments[1] !== "function") {
+          transitionable = !!action0.transitionable;
+        }
+        if (transitionable) {
+          var origArguments = arguments;
+          select_default2(document).transition("history.perform").duration(duration).ease(linear2).tween("history.tween", function() {
+            return function(t) {
+              if (t < 1)
+                _overwrite([action0], t);
+            };
+          }).on("start", function() {
+            _perform([action0], 0);
+          }).on("end interrupt", function() {
+            _overwrite(origArguments, 1);
+          });
+        } else {
+          return _perform(arguments);
+        }
+      },
+      replace: function() {
+        select_default2(document).interrupt("history.perform");
+        return _replace(arguments, 1);
+      },
+      // Same as calling pop and then perform
+      overwrite: function() {
+        select_default2(document).interrupt("history.perform");
+        return _overwrite(arguments, 1);
+      },
+      pop: function(n2) {
+        select_default2(document).interrupt("history.perform");
+        var previous = _stack[_index].graph;
+        if (isNaN(+n2) || +n2 < 0) {
+          n2 = 1;
+        }
+        while (n2-- > 0 && _index > 0) {
+          _index--;
+          _stack.pop();
+        }
+        return change(previous);
+      },
+      // Back to the previous annotated state or _index = 0.
+      undo: function() {
+        select_default2(document).interrupt("history.perform");
+        var previousStack = _stack[_index];
+        var previous = previousStack.graph;
+        while (_index > 0) {
+          _index--;
+          if (_stack[_index].annotation)
+            break;
+        }
+        dispatch10.call("undone", this, _stack[_index], previousStack);
+        return change(previous);
+      },
+      // Forward to the next annotated state.
+      redo: function() {
+        select_default2(document).interrupt("history.perform");
+        var previousStack = _stack[_index];
+        var previous = previousStack.graph;
+        var tryIndex = _index;
+        while (tryIndex < _stack.length - 1) {
+          tryIndex++;
+          if (_stack[tryIndex].annotation) {
+            _index = tryIndex;
+            dispatch10.call("redone", this, _stack[_index], previousStack);
+            break;
+          }
+        }
+        return change(previous);
+      },
+      pauseChangeDispatch: function() {
+        if (!_pausedGraph) {
+          _pausedGraph = _stack[_index].graph;
+        }
+      },
+      resumeChangeDispatch: function() {
+        if (_pausedGraph) {
+          var previous = _pausedGraph;
+          _pausedGraph = null;
+          return change(previous);
+        }
+      },
+      undoAnnotation: function() {
+        var i2 = _index;
+        while (i2 >= 0) {
+          if (_stack[i2].annotation)
+            return _stack[i2].annotation;
+          i2--;
+        }
+      },
+      redoAnnotation: function() {
+        var i2 = _index + 1;
+        while (i2 <= _stack.length - 1) {
+          if (_stack[i2].annotation)
+            return _stack[i2].annotation;
+          i2++;
+        }
+      },
+      // Returns the entities from the active graph with bounding boxes
+      // overlapping the given `extent`.
+      intersects: function(extent) {
+        return _tree.intersects(extent, _stack[_index].graph);
+      },
+      difference: function() {
+        var base = _stack[0].graph;
+        var head = _stack[_index].graph;
+        return coreDifference(base, head);
+      },
+      changes: function(action) {
+        var base = _stack[0].graph;
+        var head = _stack[_index].graph;
+        if (action) {
+          head = action(head);
+        }
+        var difference = coreDifference(base, head);
+        return {
+          modified: difference.modified(),
+          created: difference.created(),
+          deleted: difference.deleted()
+        };
+      },
+      hasChanges: function() {
+        return this.difference().length() > 0;
+      },
+      imageryUsed: function(sources) {
+        if (sources) {
+          _imageryUsed = sources;
+          return history;
+        } else {
+          var s = /* @__PURE__ */ new Set();
+          _stack.slice(1, _index + 1).forEach(function(state) {
+            state.imageryUsed.forEach(function(source) {
+              if (source !== "Custom") {
+                s.add(source);
+              }
+            });
+          });
+          return Array.from(s);
+        }
+      },
+      photoOverlaysUsed: function(sources) {
+        if (sources) {
+          _photoOverlaysUsed = sources;
+          return history;
+        } else {
+          var s = /* @__PURE__ */ new Set();
+          _stack.slice(1, _index + 1).forEach(function(state) {
+            if (state.photoOverlaysUsed && Array.isArray(state.photoOverlaysUsed)) {
+              state.photoOverlaysUsed.forEach(function(photoOverlay) {
+                s.add(photoOverlay);
+              });
+            }
+          });
+          return Array.from(s);
+        }
+      },
+      // save the current history state
+      checkpoint: function(key) {
+        _checkpoints[key] = {
+          stack: _stack,
+          index: _index
+        };
+        return history;
+      },
+      // restore history state to a given checkpoint or reset completely
+      reset: function(key) {
+        if (key !== void 0 && _checkpoints.hasOwnProperty(key)) {
+          _stack = _checkpoints[key].stack;
+          _index = _checkpoints[key].index;
+        } else {
+          _stack = [{ graph: coreGraph() }];
+          _index = 0;
+          _tree = coreTree(_stack[0].graph);
+          _checkpoints = {};
+        }
+        dispatch10.call("reset");
+        dispatch10.call("change");
+        return history;
+      },
+      // `toIntroGraph()` is used to export the intro graph used by the walkthrough.
+      //
+      // To use it:
+      //  1. Start the walkthrough.
+      //  2. Get to a "free editing" tutorial step
+      //  3. Make your edits to the walkthrough map
+      //  4. In your browser dev console run:
+      //        `id.history().toIntroGraph()`
+      //  5. This outputs stringified JSON to the browser console
+      //  6. Copy it to `data/intro_graph.json` and prettify it in your code editor
+      toIntroGraph: function() {
+        var nextID = { n: 0, r: 0, w: 0 };
+        var permIDs = {};
+        var graph = this.graph();
+        var baseEntities = {};
+        Object.values(graph.base().entities).forEach(function(entity) {
+          var copy2 = copyIntroEntity(entity);
+          baseEntities[copy2.id] = copy2;
+        });
+        Object.keys(graph.entities).forEach(function(id2) {
+          var entity = graph.entities[id2];
+          if (entity) {
+            var copy2 = copyIntroEntity(entity);
+            baseEntities[copy2.id] = copy2;
+          } else {
+            delete baseEntities[id2];
+          }
+        });
+        Object.values(baseEntities).forEach(function(entity) {
+          if (Array.isArray(entity.nodes)) {
+            entity.nodes = entity.nodes.map(function(node) {
+              return permIDs[node] || node;
+            });
+          }
+          if (Array.isArray(entity.members)) {
+            entity.members = entity.members.map(function(member) {
+              member.id = permIDs[member.id] || member.id;
+              return member;
+            });
+          }
+        });
+        return JSON.stringify({ dataIntroGraph: baseEntities });
+        function copyIntroEntity(source) {
+          var copy2 = utilObjectOmit(source, ["type", "user", "v", "version", "visible"]);
+          if (copy2.tags && !Object.keys(copy2.tags)) {
+            delete copy2.tags;
+          }
+          if (Array.isArray(copy2.loc)) {
+            copy2.loc[0] = +copy2.loc[0].toFixed(6);
+            copy2.loc[1] = +copy2.loc[1].toFixed(6);
+          }
+          var match = source.id.match(/([nrw])-\d*/);
+          if (match !== null) {
+            var nrw = match[1];
+            var permID;
+            do {
+              permID = nrw + ++nextID[nrw];
+            } while (baseEntities.hasOwnProperty(permID));
+            copy2.id = permIDs[source.id] = permID;
+          }
+          return copy2;
+        }
+      },
+      toJSON: function() {
+        if (!this.hasChanges())
+          return;
+        var allEntities = {};
+        var baseEntities = {};
+        var base = _stack[0];
+        var s = _stack.map(function(i2) {
+          var modified = [];
+          var deleted = [];
+          Object.keys(i2.graph.entities).forEach(function(id2) {
+            var entity = i2.graph.entities[id2];
+            if (entity) {
+              var key = osmEntity.key(entity);
+              allEntities[key] = entity;
+              modified.push(key);
+            } else {
+              deleted.push(id2);
+            }
+            if (id2 in base.graph.entities) {
+              baseEntities[id2] = base.graph.entities[id2];
+            }
+            if (entity && entity.nodes) {
+              entity.nodes.forEach(function(nodeID) {
+                if (nodeID in base.graph.entities) {
+                  baseEntities[nodeID] = base.graph.entities[nodeID];
+                }
+              });
+            }
+            var baseParents = base.graph._parentWays[id2];
+            if (baseParents) {
+              baseParents.forEach(function(parentID) {
+                if (parentID in base.graph.entities) {
+                  baseEntities[parentID] = base.graph.entities[parentID];
+                }
+              });
+            }
+          });
+          var x = {};
+          if (modified.length)
+            x.modified = modified;
+          if (deleted.length)
+            x.deleted = deleted;
+          if (i2.imageryUsed)
+            x.imageryUsed = i2.imageryUsed;
+          if (i2.photoOverlaysUsed)
+            x.photoOverlaysUsed = i2.photoOverlaysUsed;
+          if (i2.annotation)
+            x.annotation = i2.annotation;
+          if (i2.transform)
+            x.transform = i2.transform;
+          if (i2.selectedIDs)
+            x.selectedIDs = i2.selectedIDs;
+          return x;
+        });
+        return JSON.stringify({
+          version: 3,
+          entities: Object.values(allEntities),
+          baseEntities: Object.values(baseEntities),
+          stack: s,
+          nextIDs: osmEntity.id.next,
+          index: _index,
+          // note the time the changes were saved
+          timestamp: (/* @__PURE__ */ new Date()).getTime()
+        });
+      },
+      fromJSON: function(json, loadChildNodes) {
+        var h = JSON.parse(json);
+        var loadComplete = true;
+        osmEntity.id.next = h.nextIDs;
+        _index = h.index;
+        if (h.version === 2 || h.version === 3) {
+          var allEntities = {};
+          h.entities.forEach(function(entity) {
+            allEntities[osmEntity.key(entity)] = osmEntity(entity);
+          });
+          if (h.version === 3) {
+            var baseEntities = h.baseEntities.map(function(d) {
+              return osmEntity(d);
+            });
+            var stack = _stack.map(function(state) {
+              return state.graph;
+            });
+            _stack[0].graph.rebase(baseEntities, stack, true);
+            _tree.rebase(baseEntities, true);
+            if (loadChildNodes) {
+              var osm = context.connection();
+              var baseWays = baseEntities.filter(function(e) {
+                return e.type === "way";
+              });
+              var nodeIDs = baseWays.reduce(function(acc, way) {
+                return utilArrayUnion(acc, way.nodes);
+              }, []);
+              var missing = nodeIDs.filter(function(n2) {
+                return !_stack[0].graph.hasEntity(n2);
+              });
+              if (missing.length && osm) {
+                loadComplete = false;
+                context.map().redrawEnable(false);
+                var loading = uiLoading(context).blocking(true);
+                context.container().call(loading);
+                var childNodesLoaded = function(err, result) {
+                  if (!err) {
+                    var visibleGroups = utilArrayGroupBy(result.data, "visible");
+                    var visibles = visibleGroups.true || [];
+                    var invisibles = visibleGroups.false || [];
+                    if (visibles.length) {
+                      var visibleIDs = visibles.map(function(entity) {
+                        return entity.id;
+                      });
+                      var stack2 = _stack.map(function(state) {
+                        return state.graph;
+                      });
+                      missing = utilArrayDifference(missing, visibleIDs);
+                      _stack[0].graph.rebase(visibles, stack2, true);
+                      _tree.rebase(visibles, true);
+                    }
+                    invisibles.forEach(function(entity) {
+                      osm.loadEntityVersion(entity.id, +entity.version - 1, childNodesLoaded);
+                    });
+                  }
+                  if (err || !missing.length) {
+                    loading.close();
+                    context.map().redrawEnable(true);
+                    dispatch10.call("change");
+                    dispatch10.call("restore", this);
+                  }
+                };
+                osm.loadMultiple(missing, childNodesLoaded);
+              }
+            }
+          }
+          _stack = h.stack.map(function(d) {
+            var entities = {}, entity;
+            if (d.modified) {
+              d.modified.forEach(function(key) {
+                entity = allEntities[key];
+                entities[entity.id] = entity;
+              });
+            }
+            if (d.deleted) {
+              d.deleted.forEach(function(id2) {
+                entities[id2] = void 0;
+              });
+            }
+            return {
+              graph: coreGraph(_stack[0].graph).load(entities),
+              annotation: d.annotation,
+              imageryUsed: d.imageryUsed,
+              photoOverlaysUsed: d.photoOverlaysUsed,
+              transform: d.transform,
+              selectedIDs: d.selectedIDs
+            };
+          });
+        } else {
+          _stack = h.stack.map(function(d) {
+            var entities = {};
+            for (var i2 in d.entities) {
+              var entity = d.entities[i2];
+              entities[i2] = entity === "undefined" ? void 0 : osmEntity(entity);
+            }
+            d.graph = coreGraph(_stack[0].graph).load(entities);
+            return d;
+          });
+        }
+        var transform2 = _stack[_index].transform;
+        if (transform2) {
+          context.map().transformEase(transform2, 0);
+        }
+        if (loadComplete) {
+          dispatch10.call("change");
+          dispatch10.call("restore", this);
+        }
+        return history;
+      },
+      lock: function() {
+        return lock.lock();
+      },
+      unlock: function() {
+        lock.unlock();
+      },
+      save: function() {
+        if (lock.locked() && // don't overwrite existing, unresolved changes
+        !_hasUnresolvedRestorableChanges) {
+          const success = corePreferences(getKey("saved_history"), history.toJSON() || null);
+          if (!success)
+            dispatch10.call("storage_error");
+        }
+        return history;
+      },
+      // delete the history version saved in localStorage
+      clearSaved: function() {
+        context.debouncedSave.cancel();
+        if (lock.locked()) {
+          _hasUnresolvedRestorableChanges = false;
+          corePreferences(getKey("saved_history"), null);
+          corePreferences("comment", null);
+          corePreferences("hashtags", null);
+          corePreferences("source", null);
+        }
+        return history;
+      },
+      savedHistoryJSON: function() {
+        return corePreferences(getKey("saved_history"));
+      },
+      hasRestorableChanges: function() {
+        return _hasUnresolvedRestorableChanges;
+      },
+      // load history from a version stored in localStorage
+      restore: function() {
+        if (lock.locked()) {
+          _hasUnresolvedRestorableChanges = false;
+          var json = this.savedHistoryJSON();
+          if (json)
+            history.fromJSON(json, true);
+        }
+      },
+      _getKey: getKey
+    };
+    history.reset();
+    return utilRebind(history, dispatch10, "on");
+  }
+
+  // modules/validations/index.js
+  var validations_exports = {};
+  __export(validations_exports, {
+    validationAlmostJunction: () => validationAlmostJunction,
+    validationCloseNodes: () => validationCloseNodes,
+    validationCrossingWays: () => validationCrossingWays,
+    validationDisconnectedWay: () => validationDisconnectedWay,
+    validationFormatting: () => validationFormatting,
+    validationHelpRequest: () => validationHelpRequest,
+    validationImpossibleOneway: () => validationImpossibleOneway,
+    validationIncompatibleSource: () => validationIncompatibleSource,
+    validationMaprules: () => validationMaprules,
+    validationMismatchedGeometry: () => validationMismatchedGeometry,
+    validationMissingRole: () => validationMissingRole,
+    validationMissingTag: () => validationMissingTag,
+    validationOutdatedTags: () => validationOutdatedTags,
+    validationPrivateData: () => validationPrivateData,
+    validationSuspiciousName: () => validationSuspiciousName,
+    validationUnsquareWay: () => validationUnsquareWay
+  });
+
+  // modules/validations/almost_junction.js
+  function validationAlmostJunction(context) {
+    const type2 = "almost_junction";
+    const EXTEND_TH_METERS = 5;
+    const WELD_TH_METERS = 0.75;
+    const CLOSE_NODE_TH = EXTEND_TH_METERS - WELD_TH_METERS;
+    const SIG_ANGLE_TH = Math.atan(WELD_TH_METERS / EXTEND_TH_METERS);
+    function isHighway(entity) {
+      return entity.type === "way" && osmRoutableHighwayTagValues[entity.tags.highway];
+    }
+    function isTaggedAsNotContinuing(node) {
+      return node.tags.noexit === "yes" || node.tags.amenity === "parking_entrance" || node.tags.entrance && node.tags.entrance !== "no";
+    }
+    const validation = function checkAlmostJunction(entity, graph) {
+      if (!isHighway(entity))
+        return [];
+      if (entity.isDegenerate())
+        return [];
+      const tree = context.history().tree();
+      const extendableNodeInfos = findConnectableEndNodesByExtension(entity);
+      let issues = [];
+      extendableNodeInfos.forEach((extendableNodeInfo) => {
+        issues.push(new validationIssue({
+          type: type2,
+          subtype: "highway-highway",
+          severity: "warning",
+          message: function(context2) {
+            const entity1 = context2.hasEntity(this.entityIds[0]);
+            if (this.entityIds[0] === this.entityIds[2]) {
+              return entity1 ? _t.append("issues.almost_junction.self.message", {
+                feature: utilDisplayLabel(entity1, context2.graph())
+              }) : "";
+            } else {
+              const entity2 = context2.hasEntity(this.entityIds[2]);
+              return entity1 && entity2 ? _t.append("issues.almost_junction.message", {
+                feature: utilDisplayLabel(entity1, context2.graph()),
+                feature2: utilDisplayLabel(entity2, context2.graph())
+              }) : "";
+            }
+          },
+          reference: showReference,
+          entityIds: [
+            entity.id,
+            extendableNodeInfo.node.id,
+            extendableNodeInfo.wid
+          ],
+          loc: extendableNodeInfo.node.loc,
+          hash: JSON.stringify(extendableNodeInfo.node.loc),
+          data: {
+            midId: extendableNodeInfo.mid.id,
+            edge: extendableNodeInfo.edge,
+            cross_loc: extendableNodeInfo.cross_loc
+          },
+          dynamicFixes: makeFixes
+        }));
+      });
+      return issues;
+      function makeFixes(context2) {
+        let fixes = [new validationIssueFix({
+          icon: "iD-icon-abutment",
+          title: _t.append("issues.fix.connect_features.title"),
+          onClick: function(context3) {
+            const annotation = _t("issues.fix.connect_almost_junction.annotation");
+            const [, endNodeId, crossWayId] = this.issue.entityIds;
+            const midNode = context3.entity(this.issue.data.midId);
+            const endNode = context3.entity(endNodeId);
+            const crossWay = context3.entity(crossWayId);
+            const nearEndNodes = findNearbyEndNodes(endNode, crossWay);
+            if (nearEndNodes.length > 0) {
+              const collinear = findSmallJoinAngle(midNode, endNode, nearEndNodes);
+              if (collinear) {
+                context3.perform(
+                  actionMergeNodes([collinear.id, endNode.id], collinear.loc),
+                  annotation
+                );
+                return;
+              }
+            }
+            const targetEdge = this.issue.data.edge;
+            const crossLoc = this.issue.data.cross_loc;
+            const edgeNodes = [context3.entity(targetEdge[0]), context3.entity(targetEdge[1])];
+            const closestNodeInfo = geoSphericalClosestNode(edgeNodes, crossLoc);
+            if (closestNodeInfo.distance < WELD_TH_METERS) {
+              context3.perform(
+                actionMergeNodes([closestNodeInfo.node.id, endNode.id], closestNodeInfo.node.loc),
+                annotation
+              );
+            } else {
+              context3.perform(
+                actionAddMidpoint({ loc: crossLoc, edge: targetEdge }, endNode),
+                annotation
+              );
+            }
+          }
+        })];
+        const node = context2.hasEntity(this.entityIds[1]);
+        if (node && !node.hasInterestingTags()) {
+          fixes.push(new validationIssueFix({
+            icon: "maki-barrier",
+            title: _t.append("issues.fix.tag_as_disconnected.title"),
+            onClick: function(context3) {
+              const nodeID = this.issue.entityIds[1];
+              const tags = Object.assign({}, context3.entity(nodeID).tags);
+              tags.noexit = "yes";
+              context3.perform(
+                actionChangeTags(nodeID, tags),
+                _t("issues.fix.tag_as_disconnected.annotation")
+              );
+            }
+          }));
+        }
+        return fixes;
+      }
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.almost_junction.highway-highway.reference"));
+      }
+      function isExtendableCandidate(node, way) {
+        const osm = services.osm;
+        if (osm && !osm.isDataLoaded(node.loc)) {
+          return false;
+        }
+        if (isTaggedAsNotContinuing(node) || graph.parentWays(node).length !== 1) {
+          return false;
+        }
+        let occurrences = 0;
+        for (const index in way.nodes) {
+          if (way.nodes[index] === node.id) {
+            occurrences += 1;
+            if (occurrences > 1) {
+              return false;
+            }
+          }
+        }
+        return true;
+      }
+      function findConnectableEndNodesByExtension(way) {
+        let results = [];
+        if (way.isClosed())
+          return results;
+        let testNodes;
+        const indices = [0, way.nodes.length - 1];
+        indices.forEach((nodeIndex) => {
+          const nodeID = way.nodes[nodeIndex];
+          const node = graph.entity(nodeID);
+          if (!isExtendableCandidate(node, way))
+            return;
+          const connectionInfo = canConnectByExtend(way, nodeIndex);
+          if (!connectionInfo)
+            return;
+          testNodes = graph.childNodes(way).slice();
+          testNodes[nodeIndex] = testNodes[nodeIndex].move(connectionInfo.cross_loc);
+          if (geoHasSelfIntersections(testNodes, nodeID))
+            return;
+          results.push(connectionInfo);
+        });
+        return results;
+      }
+      function findNearbyEndNodes(node, way) {
+        return [
+          way.nodes[0],
+          way.nodes[way.nodes.length - 1]
+        ].map((d) => graph.entity(d)).filter((d) => {
+          return d.id !== node.id && geoSphericalDistance(node.loc, d.loc) <= CLOSE_NODE_TH;
+        });
+      }
+      function findSmallJoinAngle(midNode, tipNode, endNodes) {
+        let joinTo;
+        let minAngle = Infinity;
+        endNodes.forEach((endNode) => {
+          const a1 = geoAngle(midNode, tipNode, context.projection) + Math.PI;
+          const a2 = geoAngle(midNode, endNode, context.projection) + Math.PI;
+          const diff = Math.max(a1, a2) - Math.min(a1, a2);
+          if (diff < minAngle) {
+            joinTo = endNode;
+            minAngle = diff;
+          }
+        });
+        if (minAngle <= SIG_ANGLE_TH)
+          return joinTo;
+        return null;
+      }
+      function hasTag(tags, key) {
+        return tags[key] !== void 0 && tags[key] !== "no";
+      }
+      function canConnectWays(way, way2) {
+        if (way.id === way2.id)
+          return true;
+        if ((hasTag(way.tags, "bridge") || hasTag(way2.tags, "bridge")) && !(hasTag(way.tags, "bridge") && hasTag(way2.tags, "bridge")))
+          return false;
+        if ((hasTag(way.tags, "tunnel") || hasTag(way2.tags, "tunnel")) && !(hasTag(way.tags, "tunnel") && hasTag(way2.tags, "tunnel")))
+          return false;
+        const layer1 = way.tags.layer || "0", layer2 = way2.tags.layer || "0";
+        if (layer1 !== layer2)
+          return false;
+        const level1 = way.tags.level || "0", level2 = way2.tags.level || "0";
+        if (level1 !== level2)
+          return false;
+        return true;
+      }
+      function canConnectByExtend(way, endNodeIdx) {
+        const tipNid = way.nodes[endNodeIdx];
+        const midNid = endNodeIdx === 0 ? way.nodes[1] : way.nodes[way.nodes.length - 2];
+        const tipNode = graph.entity(tipNid);
+        const midNode = graph.entity(midNid);
+        const lon = tipNode.loc[0];
+        const lat = tipNode.loc[1];
+        const lon_range = geoMetersToLon(EXTEND_TH_METERS, lat) / 2;
+        const lat_range = geoMetersToLat(EXTEND_TH_METERS) / 2;
+        const queryExtent = geoExtent([
+          [lon - lon_range, lat - lat_range],
+          [lon + lon_range, lat + lat_range]
+        ]);
+        const edgeLen = geoSphericalDistance(midNode.loc, tipNode.loc);
+        const t = EXTEND_TH_METERS / edgeLen + 1;
+        const extTipLoc = geoVecInterp(midNode.loc, tipNode.loc, t);
+        const segmentInfos = tree.waySegments(queryExtent, graph);
+        for (let i2 = 0; i2 < segmentInfos.length; i2++) {
+          let segmentInfo = segmentInfos[i2];
+          let way2 = graph.entity(segmentInfo.wayId);
+          if (!isHighway(way2))
+            continue;
+          if (!canConnectWays(way, way2))
+            continue;
+          let nAid = segmentInfo.nodes[0], nBid = segmentInfo.nodes[1];
+          if (nAid === tipNid || nBid === tipNid)
+            continue;
+          let nA = graph.entity(nAid), nB = graph.entity(nBid);
+          let crossLoc = geoLineIntersection([tipNode.loc, extTipLoc], [nA.loc, nB.loc]);
+          if (crossLoc) {
+            return {
+              mid: midNode,
+              node: tipNode,
+              wid: way2.id,
+              edge: [nA.id, nB.id],
+              cross_loc: crossLoc
+            };
+          }
+        }
+        return null;
+      }
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/close_nodes.js
+  function validationCloseNodes(context) {
+    var type2 = "close_nodes";
+    var pointThresholdMeters = 0.2;
+    var validation = function(entity, graph) {
+      if (entity.type === "node") {
+        return getIssuesForNode(entity);
+      } else if (entity.type === "way") {
+        return getIssuesForWay(entity);
+      }
+      return [];
+      function getIssuesForNode(node) {
+        var parentWays = graph.parentWays(node);
+        if (parentWays.length) {
+          return getIssuesForVertex(node, parentWays);
+        } else {
+          return getIssuesForDetachedPoint(node);
+        }
+      }
+      function wayTypeFor(way) {
+        if (way.tags.boundary && way.tags.boundary !== "no")
+          return "boundary";
+        if (way.tags.indoor && way.tags.indoor !== "no")
+          return "indoor";
+        if (way.tags.building && way.tags.building !== "no" || way.tags["building:part"] && way.tags["building:part"] !== "no")
+          return "building";
+        if (osmPathHighwayTagValues[way.tags.highway])
+          return "path";
+        var parentRelations = graph.parentRelations(way);
+        for (var i2 in parentRelations) {
+          var relation = parentRelations[i2];
+          if (relation.tags.type === "boundary")
+            return "boundary";
+          if (relation.isMultipolygon()) {
+            if (relation.tags.indoor && relation.tags.indoor !== "no")
+              return "indoor";
+            if (relation.tags.building && relation.tags.building !== "no" || relation.tags["building:part"] && relation.tags["building:part"] !== "no")
+              return "building";
+          }
+        }
+        return "other";
+      }
+      function shouldCheckWay(way) {
+        if (way.nodes.length <= 2 || way.isClosed() && way.nodes.length <= 4)
+          return false;
+        var bbox2 = way.extent(graph).bbox();
+        var hypotenuseMeters = geoSphericalDistance([bbox2.minX, bbox2.minY], [bbox2.maxX, bbox2.maxY]);
+        if (hypotenuseMeters < 1.5)
+          return false;
+        return true;
+      }
+      function getIssuesForWay(way) {
+        if (!shouldCheckWay(way))
+          return [];
+        var issues = [], nodes = graph.childNodes(way);
+        for (var i2 = 0; i2 < nodes.length - 1; i2++) {
+          var node1 = nodes[i2];
+          var node2 = nodes[i2 + 1];
+          var issue = getWayIssueIfAny(node1, node2, way);
+          if (issue)
+            issues.push(issue);
+        }
+        return issues;
+      }
+      function getIssuesForVertex(node, parentWays) {
+        var issues = [];
+        function checkForCloseness(node1, node2, way) {
+          var issue = getWayIssueIfAny(node1, node2, way);
+          if (issue)
+            issues.push(issue);
+        }
+        for (var i2 = 0; i2 < parentWays.length; i2++) {
+          var parentWay = parentWays[i2];
+          if (!shouldCheckWay(parentWay))
+            continue;
+          var lastIndex = parentWay.nodes.length - 1;
+          for (var j2 = 0; j2 < parentWay.nodes.length; j2++) {
+            if (j2 !== 0) {
+              if (parentWay.nodes[j2 - 1] === node.id) {
+                checkForCloseness(node, graph.entity(parentWay.nodes[j2]), parentWay);
+              }
+            }
+            if (j2 !== lastIndex) {
+              if (parentWay.nodes[j2 + 1] === node.id) {
+                checkForCloseness(graph.entity(parentWay.nodes[j2]), node, parentWay);
+              }
+            }
+          }
+        }
+        return issues;
+      }
+      function thresholdMetersForWay(way) {
+        if (!shouldCheckWay(way))
+          return 0;
+        var wayType = wayTypeFor(way);
+        if (wayType === "boundary")
+          return 0;
+        if (wayType === "indoor")
+          return 0.01;
+        if (wayType === "building")
+          return 0.05;
+        if (wayType === "path")
+          return 0.1;
+        return 0.2;
+      }
+      function getIssuesForDetachedPoint(node) {
+        var issues = [];
+        var lon = node.loc[0];
+        var lat = node.loc[1];
+        var lon_range = geoMetersToLon(pointThresholdMeters, lat) / 2;
+        var lat_range = geoMetersToLat(pointThresholdMeters) / 2;
+        var queryExtent = geoExtent([
+          [lon - lon_range, lat - lat_range],
+          [lon + lon_range, lat + lat_range]
+        ]);
+        var intersected = context.history().tree().intersects(queryExtent, graph);
+        for (var j2 = 0; j2 < intersected.length; j2++) {
+          var nearby = intersected[j2];
+          if (nearby.id === node.id)
+            continue;
+          if (nearby.type !== "node" || nearby.geometry(graph) !== "point")
+            continue;
+          if (nearby.loc === node.loc || geoSphericalDistance(node.loc, nearby.loc) < pointThresholdMeters) {
+            if ("memorial:type" in node.tags && "memorial:type" in nearby.tags && node.tags["memorial:type"] === "stolperstein" && nearby.tags["memorial:type"] === "stolperstein")
+              continue;
+            if ("memorial" in node.tags && "memorial" in nearby.tags && node.tags.memorial === "stolperstein" && nearby.tags.memorial === "stolperstein")
+              continue;
+            var zAxisKeys = { layer: true, level: true, "addr:housenumber": true, "addr:unit": true };
+            var zAxisDifferentiates = false;
+            for (var key in zAxisKeys) {
+              var nodeValue = node.tags[key] || "0";
+              var nearbyValue = nearby.tags[key] || "0";
+              if (nodeValue !== nearbyValue) {
+                zAxisDifferentiates = true;
+                break;
+              }
+            }
+            if (zAxisDifferentiates)
+              continue;
+            issues.push(new validationIssue({
+              type: type2,
+              subtype: "detached",
+              severity: "warning",
+              message: function(context2) {
+                var entity2 = context2.hasEntity(this.entityIds[0]), entity22 = context2.hasEntity(this.entityIds[1]);
+                return entity2 && entity22 ? _t.append("issues.close_nodes.detached.message", {
+                  feature: utilDisplayLabel(entity2, context2.graph()),
+                  feature2: utilDisplayLabel(entity22, context2.graph())
+                }) : "";
+              },
+              reference: showReference,
+              entityIds: [node.id, nearby.id],
+              dynamicFixes: function() {
+                return [
+                  new validationIssueFix({
+                    icon: "iD-operation-disconnect",
+                    title: _t.append("issues.fix.move_points_apart.title")
+                  }),
+                  new validationIssueFix({
+                    icon: "iD-icon-layers",
+                    title: _t.append("issues.fix.use_different_layers_or_levels.title")
+                  })
+                ];
+              }
+            }));
+          }
+        }
+        return issues;
+        function showReference(selection2) {
+          var referenceText = _t("issues.close_nodes.detached.reference");
+          selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").html(referenceText);
+        }
+      }
+      function getWayIssueIfAny(node1, node2, way) {
+        if (node1.id === node2.id || node1.hasInterestingTags() && node2.hasInterestingTags()) {
+          return null;
+        }
+        if (node1.loc !== node2.loc) {
+          var parentWays1 = graph.parentWays(node1);
+          var parentWays2 = new Set(graph.parentWays(node2));
+          var sharedWays = parentWays1.filter(function(parentWay) {
+            return parentWays2.has(parentWay);
+          });
+          var thresholds = sharedWays.map(function(parentWay) {
+            return thresholdMetersForWay(parentWay);
+          });
+          var threshold = Math.min(...thresholds);
+          var distance = geoSphericalDistance(node1.loc, node2.loc);
+          if (distance > threshold)
+            return null;
+        }
+        return new validationIssue({
+          type: type2,
+          subtype: "vertices",
+          severity: "warning",
+          message: function(context2) {
+            var entity2 = context2.hasEntity(this.entityIds[0]);
+            return entity2 ? _t.append("issues.close_nodes.message", { way: utilDisplayLabel(entity2, context2.graph()) }) : "";
+          },
+          reference: showReference,
+          entityIds: [way.id, node1.id, node2.id],
+          loc: node1.loc,
+          dynamicFixes: function() {
+            return [
+              new validationIssueFix({
+                icon: "iD-icon-plus",
+                title: _t.append("issues.fix.merge_points.title"),
+                onClick: function(context2) {
+                  var entityIds = this.issue.entityIds;
+                  var action = actionMergeNodes([entityIds[1], entityIds[2]]);
+                  context2.perform(action, _t("issues.fix.merge_close_vertices.annotation"));
+                }
+              }),
+              new validationIssueFix({
+                icon: "iD-operation-disconnect",
+                title: _t.append("issues.fix.move_points_apart.title")
+              })
+            ];
+          }
+        });
+        function showReference(selection2) {
+          var referenceText = _t("issues.close_nodes.reference");
+          selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").html(referenceText);
+        }
+      }
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/crossing_ways.js
+  var import_lodash3 = __toESM(require_lodash());
+  function validationCrossingWays(context) {
+    var type2 = "crossing_ways";
+    function getFeatureWithFeatureTypeTagsForWay(way, graph) {
+      if (getFeatureType(way, graph) === null) {
+        var parentRels = graph.parentRelations(way);
+        for (var i2 = 0; i2 < parentRels.length; i2++) {
+          var rel = parentRels[i2];
+          if (getFeatureType(rel, graph) !== null) {
+            return rel;
+          }
+        }
+      }
+      return way;
+    }
+    function hasTag(tags, key) {
+      return tags[key] !== void 0 && tags[key] !== "no";
+    }
+    function taggedAsIndoor(tags) {
+      return hasTag(tags, "indoor") || hasTag(tags, "level") || tags.highway === "corridor";
+    }
+    function allowsBridge(featureType) {
+      return featureType === "highway" || featureType === "railway" || featureType === "waterway";
+    }
+    function allowsTunnel(featureType) {
+      return featureType === "highway" || featureType === "railway" || featureType === "waterway";
+    }
+    var ignoredBuildings = {
+      demolished: true,
+      dismantled: true,
+      proposed: true,
+      razed: true
+    };
+    function getFeatureType(entity, graph) {
+      var geometry = entity.geometry(graph);
+      if (geometry !== "line" && geometry !== "area")
+        return null;
+      var tags = entity.tags;
+      if (hasTag(tags, "building") && !ignoredBuildings[tags.building])
+        return "building";
+      if (hasTag(tags, "highway") && osmRoutableHighwayTagValues[tags.highway])
+        return "highway";
+      if (geometry !== "line")
+        return null;
+      if (hasTag(tags, "railway") && osmRailwayTrackTagValues[tags.railway])
+        return "railway";
+      if (hasTag(tags, "waterway") && osmFlowingWaterwayTagValues[tags.waterway])
+        return "waterway";
+      return null;
+    }
+    function isLegitCrossing(tags1, featureType1, tags2, featureType2) {
+      var level1 = tags1.level || "0";
+      var level2 = tags2.level || "0";
+      if (taggedAsIndoor(tags1) && taggedAsIndoor(tags2) && level1 !== level2) {
+        return true;
+      }
+      var layer1 = tags1.layer || "0";
+      var layer2 = tags2.layer || "0";
+      if (allowsBridge(featureType1) && allowsBridge(featureType2)) {
+        if (hasTag(tags1, "bridge") && !hasTag(tags2, "bridge"))
+          return true;
+        if (!hasTag(tags1, "bridge") && hasTag(tags2, "bridge"))
+          return true;
+        if (hasTag(tags1, "bridge") && hasTag(tags2, "bridge") && layer1 !== layer2)
+          return true;
+      } else if (allowsBridge(featureType1) && hasTag(tags1, "bridge"))
+        return true;
+      else if (allowsBridge(featureType2) && hasTag(tags2, "bridge"))
+        return true;
+      if (allowsTunnel(featureType1) && allowsTunnel(featureType2)) {
+        if (hasTag(tags1, "tunnel") && !hasTag(tags2, "tunnel"))
+          return true;
+        if (!hasTag(tags1, "tunnel") && hasTag(tags2, "tunnel"))
+          return true;
+        if (hasTag(tags1, "tunnel") && hasTag(tags2, "tunnel") && layer1 !== layer2)
+          return true;
+      } else if (allowsTunnel(featureType1) && hasTag(tags1, "tunnel"))
+        return true;
+      else if (allowsTunnel(featureType2) && hasTag(tags2, "tunnel"))
+        return true;
+      if (featureType1 === "waterway" && featureType2 === "highway" && tags2.man_made === "pier")
+        return true;
+      if (featureType2 === "waterway" && featureType1 === "highway" && tags1.man_made === "pier")
+        return true;
+      if (featureType1 === "building" || featureType2 === "building" || taggedAsIndoor(tags1) || taggedAsIndoor(tags2)) {
+        if (layer1 !== layer2)
+          return true;
+      }
+      return false;
+    }
+    var highwaysDisallowingFords = {
+      motorway: true,
+      motorway_link: true,
+      trunk: true,
+      trunk_link: true,
+      primary: true,
+      primary_link: true,
+      secondary: true,
+      secondary_link: true
+    };
+    function tagsForConnectionNodeIfAllowed(entity1, entity2, graph, lessLikelyTags) {
+      var featureType1 = getFeatureType(entity1, graph);
+      var featureType2 = getFeatureType(entity2, graph);
+      var geometry1 = entity1.geometry(graph);
+      var geometry2 = entity2.geometry(graph);
+      var bothLines = geometry1 === "line" && geometry2 === "line";
+      if (featureType1 === featureType2) {
+        if (featureType1 === "highway") {
+          var entity1IsPath = osmPathHighwayTagValues[entity1.tags.highway];
+          var entity2IsPath = osmPathHighwayTagValues[entity2.tags.highway];
+          if ((entity1IsPath || entity2IsPath) && entity1IsPath !== entity2IsPath) {
+            var roadFeature = entity1IsPath ? entity2 : entity1;
+            var pathFeature = entity1IsPath ? entity1 : entity2;
+            if (roadFeature.tags.highway === "track") {
+              return {};
+            }
+            if (!lessLikelyTags && roadFeature.tags.highway === "service" && pathFeature.tags.highway === "footway" && pathFeature.tags.footway === "sidewalk") {
+              return {};
+            }
+            if (["marked", "unmarked", "traffic_signals", "uncontrolled"].indexOf(pathFeature.tags.crossing) !== -1) {
+              return bothLines ? { highway: "crossing", crossing: pathFeature.tags.crossing } : {};
+            }
+            return bothLines ? { highway: "crossing" } : {};
+          }
+          return {};
+        }
+        if (featureType1 === "waterway")
+          return {};
+        if (featureType1 === "railway")
+          return {};
+      } else {
+        var featureTypes = [featureType1, featureType2];
+        if (featureTypes.indexOf("highway") !== -1) {
+          if (featureTypes.indexOf("railway") !== -1) {
+            if (!bothLines)
+              return {};
+            var isTram = entity1.tags.railway === "tram" || entity2.tags.railway === "tram";
+            if (osmPathHighwayTagValues[entity1.tags.highway] || osmPathHighwayTagValues[entity2.tags.highway]) {
+              if (isTram)
+                return { railway: "tram_crossing" };
+              return { railway: "crossing" };
+            } else {
+              if (isTram)
+                return { railway: "tram_level_crossing" };
+              return { railway: "level_crossing" };
+            }
+          }
+          if (featureTypes.indexOf("waterway") !== -1) {
+            if (hasTag(entity1.tags, "tunnel") && hasTag(entity2.tags, "tunnel"))
+              return null;
+            if (hasTag(entity1.tags, "bridge") && hasTag(entity2.tags, "bridge"))
+              return null;
+            if (highwaysDisallowingFords[entity1.tags.highway] || highwaysDisallowingFords[entity2.tags.highway]) {
+              return null;
+            }
+            return bothLines ? { ford: "yes" } : {};
+          }
+        }
+      }
+      return null;
+    }
+    function findCrossingsByWay(way1, graph, tree) {
+      var edgeCrossInfos = [];
+      if (way1.type !== "way")
+        return edgeCrossInfos;
+      var taggedFeature1 = getFeatureWithFeatureTypeTagsForWay(way1, graph);
+      var way1FeatureType = getFeatureType(taggedFeature1, graph);
+      if (way1FeatureType === null)
+        return edgeCrossInfos;
+      var checkedSingleCrossingWays = {};
+      var i2, j2;
+      var extent;
+      var n1, n2, nA, nB, nAId, nBId;
+      var segment1, segment2;
+      var oneOnly;
+      var segmentInfos, segment2Info, way2, taggedFeature2, way2FeatureType;
+      var way1Nodes = graph.childNodes(way1);
+      var comparedWays = {};
+      for (i2 = 0; i2 < way1Nodes.length - 1; i2++) {
+        n1 = way1Nodes[i2];
+        n2 = way1Nodes[i2 + 1];
+        extent = geoExtent([
+          [
+            Math.min(n1.loc[0], n2.loc[0]),
+            Math.min(n1.loc[1], n2.loc[1])
+          ],
+          [
+            Math.max(n1.loc[0], n2.loc[0]),
+            Math.max(n1.loc[1], n2.loc[1])
+          ]
+        ]);
+        segmentInfos = tree.waySegments(extent, graph);
+        for (j2 = 0; j2 < segmentInfos.length; j2++) {
+          segment2Info = segmentInfos[j2];
+          if (segment2Info.wayId === way1.id)
+            continue;
+          if (checkedSingleCrossingWays[segment2Info.wayId])
+            continue;
+          comparedWays[segment2Info.wayId] = true;
+          way2 = graph.hasEntity(segment2Info.wayId);
+          if (!way2)
+            continue;
+          taggedFeature2 = getFeatureWithFeatureTypeTagsForWay(way2, graph);
+          way2FeatureType = getFeatureType(taggedFeature2, graph);
+          if (way2FeatureType === null || isLegitCrossing(taggedFeature1.tags, way1FeatureType, taggedFeature2.tags, way2FeatureType)) {
+            continue;
+          }
+          oneOnly = way1FeatureType === "building" || way2FeatureType === "building";
+          nAId = segment2Info.nodes[0];
+          nBId = segment2Info.nodes[1];
+          if (nAId === n1.id || nAId === n2.id || nBId === n1.id || nBId === n2.id) {
+            continue;
+          }
+          nA = graph.hasEntity(nAId);
+          if (!nA)
+            continue;
+          nB = graph.hasEntity(nBId);
+          if (!nB)
+            continue;
+          segment1 = [n1.loc, n2.loc];
+          segment2 = [nA.loc, nB.loc];
+          var point2 = geoLineIntersection(segment1, segment2);
+          if (point2) {
+            edgeCrossInfos.push({
+              wayInfos: [
+                {
+                  way: way1,
+                  featureType: way1FeatureType,
+                  edge: [n1.id, n2.id]
+                },
+                {
+                  way: way2,
+                  featureType: way2FeatureType,
+                  edge: [nA.id, nB.id]
+                }
+              ],
+              crossPoint: point2
+            });
+            if (oneOnly) {
+              checkedSingleCrossingWays[way2.id] = true;
+              break;
+            }
+          }
+        }
+      }
+      return edgeCrossInfos;
+    }
+    function waysToCheck(entity, graph) {
+      var featureType = getFeatureType(entity, graph);
+      if (!featureType)
+        return [];
+      if (entity.type === "way") {
+        return [entity];
+      } else if (entity.type === "relation") {
+        return entity.members.reduce(function(array2, member) {
+          if (member.type === "way" && // only look at geometry ways
+          (!member.role || member.role === "outer" || member.role === "inner")) {
+            var entity2 = graph.hasEntity(member.id);
+            if (entity2 && array2.indexOf(entity2) === -1) {
+              array2.push(entity2);
+            }
+          }
+          return array2;
+        }, []);
+      }
+      return [];
+    }
+    var validation = function checkCrossingWays(entity, graph) {
+      var tree = context.history().tree();
+      var ways = waysToCheck(entity, graph);
+      var issues = [];
+      var wayIndex, crossingIndex, crossings;
+      for (wayIndex in ways) {
+        crossings = findCrossingsByWay(ways[wayIndex], graph, tree);
+        for (crossingIndex in crossings) {
+          issues.push(createIssue(crossings[crossingIndex], graph));
+        }
+      }
+      return issues;
+    };
+    function createIssue(crossing, graph) {
+      crossing.wayInfos.sort(function(way1Info, way2Info) {
+        var type1 = way1Info.featureType;
+        var type22 = way2Info.featureType;
+        if (type1 === type22) {
+          return utilDisplayLabel(way1Info.way, graph) > utilDisplayLabel(way2Info.way, graph);
+        } else if (type1 === "waterway") {
+          return true;
+        } else if (type22 === "waterway") {
+          return false;
+        }
+        return type1 < type22;
+      });
+      var entities = crossing.wayInfos.map(function(wayInfo) {
+        return getFeatureWithFeatureTypeTagsForWay(wayInfo.way, graph);
+      });
+      var edges = [crossing.wayInfos[0].edge, crossing.wayInfos[1].edge];
+      var featureTypes = [crossing.wayInfos[0].featureType, crossing.wayInfos[1].featureType];
+      var connectionTags = tagsForConnectionNodeIfAllowed(entities[0], entities[1], graph);
+      var featureType1 = crossing.wayInfos[0].featureType;
+      var featureType2 = crossing.wayInfos[1].featureType;
+      var isCrossingIndoors = taggedAsIndoor(entities[0].tags) && taggedAsIndoor(entities[1].tags);
+      var isCrossingTunnels = allowsTunnel(featureType1) && hasTag(entities[0].tags, "tunnel") && allowsTunnel(featureType2) && hasTag(entities[1].tags, "tunnel");
+      var isCrossingBridges = allowsBridge(featureType1) && hasTag(entities[0].tags, "bridge") && allowsBridge(featureType2) && hasTag(entities[1].tags, "bridge");
+      var subtype = [featureType1, featureType2].sort().join("-");
+      var crossingTypeID = subtype;
+      if (isCrossingIndoors) {
+        crossingTypeID = "indoor-indoor";
+      } else if (isCrossingTunnels) {
+        crossingTypeID = "tunnel-tunnel";
+      } else if (isCrossingBridges) {
+        crossingTypeID = "bridge-bridge";
+      }
+      if (connectionTags && (isCrossingIndoors || isCrossingTunnels || isCrossingBridges)) {
+        crossingTypeID += "_connectable";
+      }
+      var uniqueID = crossing.crossPoint[0].toFixed(4) + "," + crossing.crossPoint[1].toFixed(4);
+      return new validationIssue({
+        type: type2,
+        subtype,
+        severity: "warning",
+        message: function(context2) {
+          var graph2 = context2.graph();
+          var entity1 = graph2.hasEntity(this.entityIds[0]), entity2 = graph2.hasEntity(this.entityIds[1]);
+          return entity1 && entity2 ? _t.append("issues.crossing_ways.message", {
+            feature: utilDisplayLabel(entity1, graph2),
+            feature2: utilDisplayLabel(entity2, graph2)
+          }) : "";
+        },
+        reference: showReference,
+        entityIds: entities.map(function(entity) {
+          return entity.id;
+        }),
+        data: {
+          edges,
+          featureTypes,
+          connectionTags
+        },
+        hash: uniqueID,
+        loc: crossing.crossPoint,
+        dynamicFixes: function(context2) {
+          var mode = context2.mode();
+          if (!mode || mode.id !== "select" || mode.selectedIDs().length !== 1)
+            return [];
+          var selectedIndex = this.entityIds[0] === mode.selectedIDs()[0] ? 0 : 1;
+          var selectedFeatureType = this.data.featureTypes[selectedIndex];
+          var otherFeatureType = this.data.featureTypes[selectedIndex === 0 ? 1 : 0];
+          var fixes = [];
+          if (connectionTags) {
+            fixes.push(makeConnectWaysFix(this.data.connectionTags));
+            let lessLikelyConnectionTags = tagsForConnectionNodeIfAllowed(entities[0], entities[1], graph, true);
+            if (lessLikelyConnectionTags && !(0, import_lodash3.isEqual)(connectionTags, lessLikelyConnectionTags)) {
+              fixes.push(makeConnectWaysFix(lessLikelyConnectionTags));
+            }
+          }
+          if (isCrossingIndoors) {
+            fixes.push(new validationIssueFix({
+              icon: "iD-icon-layers",
+              title: _t.append("issues.fix.use_different_levels.title")
+            }));
+          } else if (isCrossingTunnels || isCrossingBridges || featureType1 === "building" || featureType2 === "building") {
+            fixes.push(makeChangeLayerFix("higher"));
+            fixes.push(makeChangeLayerFix("lower"));
+          } else if (context2.graph().geometry(this.entityIds[0]) === "line" && context2.graph().geometry(this.entityIds[1]) === "line") {
+            if (allowsBridge(selectedFeatureType) && selectedFeatureType !== "waterway") {
+              fixes.push(makeAddBridgeOrTunnelFix("add_a_bridge", "temaki-bridge", "bridge"));
+            }
+            var skipTunnelFix = otherFeatureType === "waterway" && selectedFeatureType !== "waterway";
+            if (allowsTunnel(selectedFeatureType) && !skipTunnelFix) {
+              fixes.push(makeAddBridgeOrTunnelFix("add_a_tunnel", "temaki-tunnel", "tunnel"));
+            }
+          }
+          fixes.push(new validationIssueFix({
+            icon: "iD-operation-move",
+            title: _t.append("issues.fix.reposition_features.title")
+          }));
+          return fixes;
+        }
+      });
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.crossing_ways." + crossingTypeID + ".reference"));
+      }
+    }
+    function makeAddBridgeOrTunnelFix(fixTitleID, iconName, bridgeOrTunnel) {
+      return new validationIssueFix({
+        icon: iconName,
+        title: _t.append("issues.fix." + fixTitleID + ".title"),
+        onClick: function(context2) {
+          var mode = context2.mode();
+          if (!mode || mode.id !== "select")
+            return;
+          var selectedIDs = mode.selectedIDs();
+          if (selectedIDs.length !== 1)
+            return;
+          var selectedWayID = selectedIDs[0];
+          if (!context2.hasEntity(selectedWayID))
+            return;
+          var resultWayIDs = [selectedWayID];
+          var edge, crossedEdge, crossedWayID;
+          if (this.issue.entityIds[0] === selectedWayID) {
+            edge = this.issue.data.edges[0];
+            crossedEdge = this.issue.data.edges[1];
+            crossedWayID = this.issue.entityIds[1];
+          } else {
+            edge = this.issue.data.edges[1];
+            crossedEdge = this.issue.data.edges[0];
+            crossedWayID = this.issue.entityIds[0];
+          }
+          var crossingLoc = this.issue.loc;
+          var projection2 = context2.projection;
+          var action = function actionAddStructure(graph) {
+            var edgeNodes = [graph.entity(edge[0]), graph.entity(edge[1])];
+            var crossedWay = graph.hasEntity(crossedWayID);
+            var structLengthMeters = crossedWay && isFinite(crossedWay.tags.width) && Number(crossedWay.tags.width);
+            if (!structLengthMeters) {
+              structLengthMeters = crossedWay && crossedWay.impliedLineWidthMeters();
+            }
+            if (structLengthMeters) {
+              if (getFeatureType(crossedWay, graph) === "railway") {
+                structLengthMeters *= 2;
+              }
+            } else {
+              structLengthMeters = 8;
+            }
+            var a1 = geoAngle(edgeNodes[0], edgeNodes[1], projection2) + Math.PI;
+            var a2 = geoAngle(graph.entity(crossedEdge[0]), graph.entity(crossedEdge[1]), projection2) + Math.PI;
+            var crossingAngle = Math.max(a1, a2) - Math.min(a1, a2);
+            if (crossingAngle > Math.PI)
+              crossingAngle -= Math.PI;
+            structLengthMeters = structLengthMeters / 2 / Math.sin(crossingAngle) * 2;
+            structLengthMeters += 4;
+            structLengthMeters = Math.min(Math.max(structLengthMeters, 4), 50);
+            function geomToProj(geoPoint) {
+              return [
+                geoLonToMeters(geoPoint[0], geoPoint[1]),
+                geoLatToMeters(geoPoint[1])
+              ];
+            }
+            function projToGeom(projPoint) {
+              var lat = geoMetersToLat(projPoint[1]);
+              return [
+                geoMetersToLon(projPoint[0], lat),
+                lat
+              ];
+            }
+            var projEdgeNode1 = geomToProj(edgeNodes[0].loc);
+            var projEdgeNode2 = geomToProj(edgeNodes[1].loc);
+            var projectedAngle = geoVecAngle(projEdgeNode1, projEdgeNode2);
+            var projectedCrossingLoc = geomToProj(crossingLoc);
+            var linearToSphericalMetersRatio = geoVecLength(projEdgeNode1, projEdgeNode2) / geoSphericalDistance(edgeNodes[0].loc, edgeNodes[1].loc);
+            function locSphericalDistanceFromCrossingLoc(angle2, distanceMeters) {
+              var lengthSphericalMeters = distanceMeters * linearToSphericalMetersRatio;
+              return projToGeom([
+                projectedCrossingLoc[0] + Math.cos(angle2) * lengthSphericalMeters,
+                projectedCrossingLoc[1] + Math.sin(angle2) * lengthSphericalMeters
+              ]);
+            }
+            var endpointLocGetter1 = function(lengthMeters) {
+              return locSphericalDistanceFromCrossingLoc(projectedAngle, lengthMeters);
+            };
+            var endpointLocGetter2 = function(lengthMeters) {
+              return locSphericalDistanceFromCrossingLoc(projectedAngle + Math.PI, lengthMeters);
+            };
+            var minEdgeLengthMeters = 0.55;
+            function determineEndpoint(edge2, endNode, locGetter) {
+              var newNode;
+              var idealLengthMeters = structLengthMeters / 2;
+              var crossingToEdgeEndDistance = geoSphericalDistance(crossingLoc, endNode.loc);
+              if (crossingToEdgeEndDistance - idealLengthMeters > minEdgeLengthMeters) {
+                var idealNodeLoc = locGetter(idealLengthMeters);
+                newNode = osmNode();
+                graph = actionAddMidpoint({ loc: idealNodeLoc, edge: edge2 }, newNode)(graph);
+              } else {
+                var edgeCount = 0;
+                endNode.parentIntersectionWays(graph).forEach(function(way) {
+                  way.nodes.forEach(function(nodeID) {
+                    if (nodeID === endNode.id) {
+                      if (endNode.id === way.first() && endNode.id !== way.last() || endNode.id === way.last() && endNode.id !== way.first()) {
+                        edgeCount += 1;
+                      } else {
+                        edgeCount += 2;
+                      }
+                    }
+                  });
+                });
+                if (edgeCount >= 3) {
+                  var insetLength = crossingToEdgeEndDistance - minEdgeLengthMeters;
+                  if (insetLength > minEdgeLengthMeters) {
+                    var insetNodeLoc = locGetter(insetLength);
+                    newNode = osmNode();
+                    graph = actionAddMidpoint({ loc: insetNodeLoc, edge: edge2 }, newNode)(graph);
+                  }
+                }
+              }
+              if (!newNode)
+                newNode = endNode;
+              var splitAction = actionSplit([newNode.id]).limitWays(resultWayIDs);
+              graph = splitAction(graph);
+              if (splitAction.getCreatedWayIDs().length) {
+                resultWayIDs.push(splitAction.getCreatedWayIDs()[0]);
+              }
+              return newNode;
+            }
+            var structEndNode1 = determineEndpoint(edge, edgeNodes[1], endpointLocGetter1);
+            var structEndNode2 = determineEndpoint([edgeNodes[0].id, structEndNode1.id], edgeNodes[0], endpointLocGetter2);
+            var structureWay = resultWayIDs.map(function(id2) {
+              return graph.entity(id2);
+            }).find(function(way) {
+              return way.nodes.indexOf(structEndNode1.id) !== -1 && way.nodes.indexOf(structEndNode2.id) !== -1;
+            });
+            var tags = Object.assign({}, structureWay.tags);
+            if (bridgeOrTunnel === "bridge") {
+              tags.bridge = "yes";
+              tags.layer = "1";
+            } else {
+              var tunnelValue = "yes";
+              if (getFeatureType(structureWay, graph) === "waterway") {
+                tunnelValue = "culvert";
+              }
+              tags.tunnel = tunnelValue;
+              tags.layer = "-1";
+            }
+            graph = actionChangeTags(structureWay.id, tags)(graph);
+            return graph;
+          };
+          context2.perform(action, _t("issues.fix." + fixTitleID + ".annotation"));
+          context2.enter(modeSelect(context2, resultWayIDs));
+        }
+      });
+    }
+    function makeConnectWaysFix(connectionTags) {
+      var fixTitleID = "connect_features";
+      var fixIcon = "iD-icon-crossing";
+      if (connectionTags.highway === "crossing") {
+        fixTitleID = "connect_using_crossing";
+        fixIcon = "temaki-pedestrian";
+      }
+      if (connectionTags.ford) {
+        fixTitleID = "connect_using_ford";
+        fixIcon = "roentgen-ford";
+      }
+      const fix = new validationIssueFix({
+        icon: fixIcon,
+        title: _t.append("issues.fix." + fixTitleID + ".title"),
+        onClick: function(context2) {
+          var loc = this.issue.loc;
+          var edges = this.issue.data.edges;
+          context2.perform(
+            function actionConnectCrossingWays(graph) {
+              var node = osmNode({ loc, tags: connectionTags });
+              graph = graph.replace(node);
+              var nodesToMerge = [node.id];
+              var mergeThresholdInMeters = 0.75;
+              edges.forEach(function(edge) {
+                var edgeNodes = [graph.entity(edge[0]), graph.entity(edge[1])];
+                var nearby = geoSphericalClosestNode(edgeNodes, loc);
+                if ((!nearby.node.hasInterestingTags() || nearby.node.isCrossing()) && nearby.distance < mergeThresholdInMeters) {
+                  nodesToMerge.push(nearby.node.id);
+                } else {
+                  graph = actionAddMidpoint({ loc, edge }, node)(graph);
+                }
+              });
+              if (nodesToMerge.length > 1) {
+                graph = actionMergeNodes(nodesToMerge, loc)(graph);
+              }
+              return graph;
+            },
+            _t("issues.fix.connect_crossing_features.annotation")
+          );
+        }
+      });
+      fix._connectionTags = connectionTags;
+      return fix;
+    }
+    function makeChangeLayerFix(higherOrLower) {
+      return new validationIssueFix({
+        icon: "iD-icon-" + (higherOrLower === "higher" ? "up" : "down"),
+        title: _t.append("issues.fix.tag_this_as_" + higherOrLower + ".title"),
+        onClick: function(context2) {
+          var mode = context2.mode();
+          if (!mode || mode.id !== "select")
+            return;
+          var selectedIDs = mode.selectedIDs();
+          if (selectedIDs.length !== 1)
+            return;
+          var selectedID = selectedIDs[0];
+          if (!this.issue.entityIds.some(function(entityId) {
+            return entityId === selectedID;
+          }))
+            return;
+          var entity = context2.hasEntity(selectedID);
+          if (!entity)
+            return;
+          var tags = Object.assign({}, entity.tags);
+          var layer = tags.layer && Number(tags.layer);
+          if (layer && !isNaN(layer)) {
+            if (higherOrLower === "higher") {
+              layer += 1;
+            } else {
+              layer -= 1;
+            }
+          } else {
+            if (higherOrLower === "higher") {
+              layer = 1;
+            } else {
+              layer = -1;
+            }
+          }
+          tags.layer = layer.toString();
+          context2.perform(
+            actionChangeTags(entity.id, tags),
+            _t("operations.change_tags.annotation")
+          );
+        }
+      });
+    }
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/behavior/draw_way.js
+  function behaviorDrawWay(context, wayID, mode, startGraph) {
+    const keybinding = utilKeybinding("drawWay");
+    var dispatch10 = dispatch_default("rejectedSelfIntersection");
+    var behavior = behaviorDraw(context);
+    var _nodeIndex;
+    var _origWay;
+    var _wayGeometry;
+    var _headNodeID;
+    var _annotation;
+    var _pointerHasMoved = false;
+    var _drawNode;
+    var _didResolveTempEdit = false;
+    function createDrawNode(loc) {
+      _drawNode = osmNode({ loc });
+      context.pauseChangeDispatch();
+      context.replace(function actionAddDrawNode(graph) {
+        var way = graph.entity(wayID);
+        return graph.replace(_drawNode).replace(way.addNode(_drawNode.id, _nodeIndex));
+      }, _annotation);
+      context.resumeChangeDispatch();
+      setActiveElements();
+    }
+    function removeDrawNode() {
+      context.pauseChangeDispatch();
+      context.replace(
+        function actionDeleteDrawNode(graph) {
+          var way = graph.entity(wayID);
+          return graph.replace(way.removeNode(_drawNode.id)).remove(_drawNode);
+        },
+        _annotation
+      );
+      _drawNode = void 0;
+      context.resumeChangeDispatch();
+    }
+    function keydown(d3_event) {
+      if (d3_event.keyCode === utilKeybinding.modifierCodes.alt) {
+        if (context.surface().classed("nope")) {
+          context.surface().classed("nope-suppressed", true);
+        }
+        context.surface().classed("nope", false).classed("nope-disabled", true);
+      }
+    }
+    function keyup(d3_event) {
+      if (d3_event.keyCode === utilKeybinding.modifierCodes.alt) {
+        if (context.surface().classed("nope-suppressed")) {
+          context.surface().classed("nope", true);
+        }
+        context.surface().classed("nope-suppressed", false).classed("nope-disabled", false);
+      }
+    }
+    function allowsVertex(d) {
+      return d.geometry(context.graph()) === "vertex" || _mainPresetIndex.allowsVertex(d, context.graph());
+    }
+    function move(d3_event, datum2) {
+      var loc = context.map().mouseCoordinates();
+      if (!_drawNode)
+        createDrawNode(loc);
+      context.surface().classed("nope-disabled", d3_event.altKey);
+      var targetLoc = datum2 && datum2.properties && datum2.properties.entity && allowsVertex(datum2.properties.entity) && datum2.properties.entity.loc;
+      var targetNodes = datum2 && datum2.properties && datum2.properties.nodes;
+      if (targetLoc) {
+        loc = targetLoc;
+      } else if (targetNodes) {
+        var choice = geoChooseEdge(targetNodes, context.map().mouse(), context.projection, _drawNode.id);
+        if (choice) {
+          loc = choice.loc;
+        }
+      }
+      context.replace(actionMoveNode(_drawNode.id, loc), _annotation);
+      _drawNode = context.entity(_drawNode.id);
+      checkGeometry(
+        true
+        /* includeDrawNode */
+      );
+    }
+    function checkGeometry(includeDrawNode) {
+      var nopeDisabled = context.surface().classed("nope-disabled");
+      var isInvalid = isInvalidGeometry(includeDrawNode);
+      if (nopeDisabled) {
+        context.surface().classed("nope", false).classed("nope-suppressed", isInvalid);
+      } else {
+        context.surface().classed("nope", isInvalid).classed("nope-suppressed", false);
+      }
+    }
+    function isInvalidGeometry(includeDrawNode) {
+      var testNode = _drawNode;
+      var parentWay = context.graph().entity(wayID);
+      var nodes = context.graph().childNodes(parentWay).slice();
+      if (includeDrawNode) {
+        if (parentWay.isClosed()) {
+          nodes.pop();
+        }
+      } else {
+        if (parentWay.isClosed()) {
+          if (nodes.length < 3)
+            return false;
+          if (_drawNode)
+            nodes.splice(-2, 1);
+          testNode = nodes[nodes.length - 2];
+        } else {
+          return false;
+        }
+      }
+      return testNode && geoHasSelfIntersections(nodes, testNode.id);
+    }
+    function undone() {
+      _didResolveTempEdit = true;
+      context.pauseChangeDispatch();
+      var nextMode;
+      if (context.graph() === startGraph) {
+        nextMode = modeSelect(context, [wayID]);
+      } else {
+        context.pop(1);
+        nextMode = mode;
+      }
+      context.perform(actionNoop());
+      context.pop(1);
+      context.resumeChangeDispatch();
+      context.enter(nextMode);
+    }
+    function setActiveElements() {
+      if (!_drawNode)
+        return;
+      context.surface().selectAll("." + _drawNode.id).classed("active", true);
+    }
+    function resetToStartGraph() {
+      while (context.graph() !== startGraph) {
+        context.pop();
+      }
+    }
+    var drawWay = function(surface) {
+      _drawNode = void 0;
+      _didResolveTempEdit = false;
+      _origWay = context.entity(wayID);
+      if (typeof _nodeIndex === "number") {
+        _headNodeID = _origWay.nodes[_nodeIndex];
+      } else if (_origWay.isClosed()) {
+        _headNodeID = _origWay.nodes[_origWay.nodes.length - 2];
+      } else {
+        _headNodeID = _origWay.nodes[_origWay.nodes.length - 1];
+      }
+      _wayGeometry = _origWay.geometry(context.graph());
+      _annotation = _t(
+        (_origWay.nodes.length === (_origWay.isClosed() ? 2 : 1) ? "operations.start.annotation." : "operations.continue.annotation.") + _wayGeometry
+      );
+      _pointerHasMoved = false;
+      context.pauseChangeDispatch();
+      context.perform(actionNoop(), _annotation);
+      context.resumeChangeDispatch();
+      behavior.hover().initialNodeID(_headNodeID);
+      behavior.on("move", function() {
+        _pointerHasMoved = true;
+        move.apply(this, arguments);
+      }).on("down", function() {
+        move.apply(this, arguments);
+      }).on("downcancel", function() {
+        if (_drawNode)
+          removeDrawNode();
+      }).on("click", drawWay.add).on("clickWay", drawWay.addWay).on("clickNode", drawWay.addNode).on("undo", context.undo).on("cancel", drawWay.cancel).on("finish", drawWay.finish);
+      select_default2(window).on("keydown.drawWay", keydown).on("keyup.drawWay", keyup);
+      context.map().dblclickZoomEnable(false).on("drawn.draw", setActiveElements);
+      setActiveElements();
+      surface.call(behavior);
+      context.history().on("undone.draw", undone);
+    };
+    drawWay.off = function(surface) {
+      if (!_didResolveTempEdit) {
+        context.pauseChangeDispatch();
+        resetToStartGraph();
+        context.resumeChangeDispatch();
+      }
+      _drawNode = void 0;
+      _nodeIndex = void 0;
+      context.map().on("drawn.draw", null);
+      surface.call(behavior.off).selectAll(".active").classed("active", false);
+      surface.classed("nope", false).classed("nope-suppressed", false).classed("nope-disabled", false);
+      select_default2(window).on("keydown.drawWay", null).on("keyup.drawWay", null);
+      context.history().on("undone.draw", null);
+    };
+    function attemptAdd(d, loc, doAdd) {
+      if (_drawNode) {
+        context.replace(actionMoveNode(_drawNode.id, loc), _annotation);
+        _drawNode = context.entity(_drawNode.id);
+      } else {
+        createDrawNode(loc);
+      }
+      checkGeometry(
+        true
+        /* includeDrawNode */
+      );
+      if (d && d.properties && d.properties.nope || context.surface().classed("nope")) {
+        if (!_pointerHasMoved) {
+          removeDrawNode();
+        }
+        dispatch10.call("rejectedSelfIntersection", this);
+        return;
+      }
+      context.pauseChangeDispatch();
+      doAdd();
+      _didResolveTempEdit = true;
+      context.resumeChangeDispatch();
+      context.enter(mode);
+    }
+    drawWay.add = function(loc, d) {
+      attemptAdd(d, loc, function() {
+      });
+    };
+    drawWay.addWay = function(loc, edge, d) {
+      attemptAdd(d, loc, function() {
+        context.replace(
+          actionAddMidpoint({ loc, edge }, _drawNode),
+          _annotation
+        );
+      });
+    };
+    drawWay.addNode = function(node, d) {
+      if (node.id === _headNodeID || // or the first node when drawing an area
+      _origWay.isClosed() && node.id === _origWay.first()) {
+        drawWay.finish();
+        return;
+      }
+      attemptAdd(d, node.loc, function() {
+        context.replace(
+          function actionReplaceDrawNode(graph) {
+            graph = graph.replace(graph.entity(wayID).removeNode(_drawNode.id)).remove(_drawNode);
+            return graph.replace(graph.entity(wayID).addNode(node.id, _nodeIndex));
+          },
+          _annotation
+        );
+      });
+    };
+    function getFeatureType(ways) {
+      if (ways.every((way) => way.isClosed()))
+        return "area";
+      if (ways.every((way) => !way.isClosed()))
+        return "line";
+      return "generic";
+    }
+    function followMode() {
+      if (_didResolveTempEdit)
+        return;
+      try {
+        const isDrawingArea = _origWay.nodes[0] === _origWay.nodes.slice(-1)[0];
+        const [secondLastNodeId, lastNodeId] = _origWay.nodes.slice(isDrawingArea ? -3 : -2);
+        const historyGraph = context.history().graph();
+        if (!lastNodeId || !secondLastNodeId || !historyGraph.hasEntity(lastNodeId) || !historyGraph.hasEntity(secondLastNodeId)) {
+          context.ui().flash.duration(4e3).iconName("#iD-icon-no").label(_t.append("operations.follow.error.needs_more_initial_nodes"))();
+          return;
+        }
+        const lastNodesParents = historyGraph.parentWays(historyGraph.entity(lastNodeId)).filter((w) => w.id !== wayID);
+        const secondLastNodesParents = historyGraph.parentWays(historyGraph.entity(secondLastNodeId)).filter((w) => w.id !== wayID);
+        const featureType = getFeatureType(lastNodesParents);
+        if (lastNodesParents.length !== 1 || secondLastNodesParents.length === 0) {
+          context.ui().flash.duration(4e3).iconName("#iD-icon-no").label(_t.append(`operations.follow.error.intersection_of_multiple_ways.${featureType}`))();
+          return;
+        }
+        if (!secondLastNodesParents.some((n2) => n2.id === lastNodesParents[0].id)) {
+          context.ui().flash.duration(4e3).iconName("#iD-icon-no").label(_t.append(`operations.follow.error.intersection_of_different_ways.${featureType}`))();
+          return;
+        }
+        const way = lastNodesParents[0];
+        const indexOfLast = way.nodes.indexOf(lastNodeId);
+        const indexOfSecondLast = way.nodes.indexOf(secondLastNodeId);
+        const isDescendingPastZero = indexOfLast === way.nodes.length - 2 && indexOfSecondLast === 0;
+        let nextNodeIndex = indexOfLast + (indexOfLast > indexOfSecondLast && !isDescendingPastZero ? 1 : -1);
+        if (nextNodeIndex === -1)
+          nextNodeIndex = indexOfSecondLast === 1 ? way.nodes.length - 2 : 1;
+        const nextNode = historyGraph.entity(way.nodes[nextNodeIndex]);
+        drawWay.addNode(nextNode, {
+          geometry: { type: "Point", coordinates: nextNode.loc },
+          id: nextNode.id,
+          properties: { target: true, entity: nextNode }
+        });
+      } catch (ex) {
+        context.ui().flash.duration(4e3).iconName("#iD-icon-no").label(_t.append("operations.follow.error.unknown"))();
+      }
+    }
+    keybinding.on(_t("operations.follow.key"), followMode);
+    select_default2(document).call(keybinding);
+    drawWay.finish = function() {
+      checkGeometry(
+        false
+        /* includeDrawNode */
+      );
+      if (context.surface().classed("nope")) {
+        dispatch10.call("rejectedSelfIntersection", this);
+        return;
+      }
+      context.pauseChangeDispatch();
+      context.pop(1);
+      _didResolveTempEdit = true;
+      context.resumeChangeDispatch();
+      var way = context.hasEntity(wayID);
+      if (!way || way.isDegenerate()) {
+        drawWay.cancel();
+        return;
+      }
+      window.setTimeout(function() {
+        context.map().dblclickZoomEnable(true);
+      }, 1e3);
+      var isNewFeature = !mode.isContinuing;
+      context.enter(modeSelect(context, [wayID]).newFeature(isNewFeature));
+    };
+    drawWay.cancel = function() {
+      context.pauseChangeDispatch();
+      resetToStartGraph();
+      context.resumeChangeDispatch();
+      window.setTimeout(function() {
+        context.map().dblclickZoomEnable(true);
+      }, 1e3);
+      context.surface().classed("nope", false).classed("nope-disabled", false).classed("nope-suppressed", false);
+      context.enter(modeBrowse(context));
+    };
+    drawWay.nodeIndex = function(val) {
+      if (!arguments.length)
+        return _nodeIndex;
+      _nodeIndex = val;
+      return drawWay;
+    };
+    drawWay.activeID = function() {
+      if (!arguments.length)
+        return _drawNode && _drawNode.id;
+      return drawWay;
+    };
+    return utilRebind(drawWay, dispatch10, "on");
+  }
+
+  // modules/modes/draw_line.js
+  function modeDrawLine(context, wayID, startGraph, button, affix, continuing) {
+    var mode = {
+      button,
+      id: "draw-line"
+    };
+    var behavior = behaviorDrawWay(context, wayID, mode, startGraph).on("rejectedSelfIntersection.modeDrawLine", function() {
+      context.ui().flash.iconName("#iD-icon-no").label(_t.append("self_intersection.error.lines"))();
+    });
+    mode.wayID = wayID;
+    mode.isContinuing = continuing;
+    mode.enter = function() {
+      behavior.nodeIndex(affix === "prefix" ? 0 : void 0);
+      context.install(behavior);
+    };
+    mode.exit = function() {
+      context.uninstall(behavior);
+    };
+    mode.selectedIDs = function() {
+      return [wayID];
+    };
+    mode.activeID = function() {
+      return behavior && behavior.activeID() || [];
+    };
+    return mode;
+  }
+
+  // modules/validations/disconnected_way.js
+  function validationDisconnectedWay() {
+    var type2 = "disconnected_way";
+    function isTaggedAsHighway(entity) {
+      return osmRoutableHighwayTagValues[entity.tags.highway];
+    }
+    var validation = function checkDisconnectedWay(entity, graph) {
+      var routingIslandWays = routingIslandForEntity(entity);
+      if (!routingIslandWays)
+        return [];
+      return [new validationIssue({
+        type: type2,
+        subtype: "highway",
+        severity: "warning",
+        message: function(context) {
+          var entity2 = this.entityIds.length && context.hasEntity(this.entityIds[0]);
+          var label = entity2 && utilDisplayLabel(entity2, context.graph());
+          return _t.append("issues.disconnected_way.routable.message", { count: this.entityIds.length, highway: label });
+        },
+        reference: showReference,
+        entityIds: Array.from(routingIslandWays).map(function(way) {
+          return way.id;
+        }),
+        dynamicFixes: makeFixes
+      })];
+      function makeFixes(context) {
+        var fixes = [];
+        var singleEntity = this.entityIds.length === 1 && context.hasEntity(this.entityIds[0]);
+        if (singleEntity) {
+          if (singleEntity.type === "way" && !singleEntity.isClosed()) {
+            var textDirection = _mainLocalizer.textDirection();
+            var startFix = makeContinueDrawingFixIfAllowed(textDirection, singleEntity.first(), "start");
+            if (startFix)
+              fixes.push(startFix);
+            var endFix = makeContinueDrawingFixIfAllowed(textDirection, singleEntity.last(), "end");
+            if (endFix)
+              fixes.push(endFix);
+          }
+          if (!fixes.length) {
+            fixes.push(new validationIssueFix({
+              title: _t.append("issues.fix.connect_feature.title")
+            }));
+          }
+          fixes.push(new validationIssueFix({
+            icon: "iD-operation-delete",
+            title: _t.append("issues.fix.delete_feature.title"),
+            entityIds: [singleEntity.id],
+            onClick: function(context2) {
+              var id2 = this.issue.entityIds[0];
+              var operation = operationDelete(context2, [id2]);
+              if (!operation.disabled()) {
+                operation();
+              }
+            }
+          }));
+        } else {
+          fixes.push(new validationIssueFix({
+            title: _t.append("issues.fix.connect_features.title")
+          }));
+        }
+        return fixes;
+      }
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.disconnected_way.routable.reference"));
+      }
+      function routingIslandForEntity(entity2) {
+        var routingIsland = /* @__PURE__ */ new Set();
+        var waysToCheck = [];
+        function queueParentWays(node) {
+          graph.parentWays(node).forEach(function(parentWay) {
+            if (!routingIsland.has(parentWay) && // only check each feature once
+            isRoutableWay(parentWay, false)) {
+              routingIsland.add(parentWay);
+              waysToCheck.push(parentWay);
+            }
+          });
+        }
+        if (entity2.type === "way" && isRoutableWay(entity2, true)) {
+          routingIsland.add(entity2);
+          waysToCheck.push(entity2);
+        } else if (entity2.type === "node" && isRoutableNode(entity2)) {
+          routingIsland.add(entity2);
+          queueParentWays(entity2);
+        } else {
+          return null;
+        }
+        while (waysToCheck.length) {
+          var wayToCheck = waysToCheck.pop();
+          var childNodes = graph.childNodes(wayToCheck);
+          for (var i2 in childNodes) {
+            var vertex = childNodes[i2];
+            if (isConnectedVertex(vertex)) {
+              return null;
+            }
+            if (isRoutableNode(vertex)) {
+              routingIsland.add(vertex);
+            }
+            queueParentWays(vertex);
+          }
+        }
+        return routingIsland;
+      }
+      function isConnectedVertex(vertex) {
+        var osm = services.osm;
+        if (osm && !osm.isDataLoaded(vertex.loc))
+          return true;
+        if (vertex.tags.entrance && vertex.tags.entrance !== "no")
+          return true;
+        if (vertex.tags.amenity === "parking_entrance")
+          return true;
+        return false;
+      }
+      function isRoutableNode(node) {
+        if (node.tags.highway === "elevator")
+          return true;
+        return false;
+      }
+      function isRoutableWay(way, ignoreInnerWays) {
+        if (isTaggedAsHighway(way) || way.tags.route === "ferry")
+          return true;
+        return graph.parentRelations(way).some(function(parentRelation) {
+          if (parentRelation.tags.type === "route" && parentRelation.tags.route === "ferry")
+            return true;
+          if (parentRelation.isMultipolygon() && isTaggedAsHighway(parentRelation) && (!ignoreInnerWays || parentRelation.memberById(way.id).role !== "inner"))
+            return true;
+          return false;
+        });
+      }
+      function makeContinueDrawingFixIfAllowed(textDirection, vertexID, whichEnd) {
+        var vertex = graph.hasEntity(vertexID);
+        if (!vertex || vertex.tags.noexit === "yes")
+          return null;
+        var useLeftContinue = whichEnd === "start" && textDirection === "ltr" || whichEnd === "end" && textDirection === "rtl";
+        return new validationIssueFix({
+          icon: "iD-operation-continue" + (useLeftContinue ? "-left" : ""),
+          title: _t.append("issues.fix.continue_from_" + whichEnd + ".title"),
+          entityIds: [vertexID],
+          onClick: function(context) {
+            var wayId = this.issue.entityIds[0];
+            var way = context.hasEntity(wayId);
+            var vertexId = this.entityIds[0];
+            var vertex2 = context.hasEntity(vertexId);
+            if (!way || !vertex2)
+              return;
+            var map2 = context.map();
+            if (!context.editable() || !map2.trimmedExtent().contains(vertex2.loc)) {
+              map2.zoomToEase(vertex2);
+            }
+            context.enter(
+              modeDrawLine(context, wayId, context.graph(), "line", way.affix(vertexId), true)
+            );
+          }
+        });
+      }
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/invalid_format.js
+  function validationFormatting() {
+    var type2 = "invalid_format";
+    var validation = function(entity) {
+      var issues = [];
+      function isValidEmail(email) {
+        var valid_email = /^[^\(\)\\,":;<>@\[\]]+@[^\(\)\\,":;<>@\[\]\.]+(?:\.[a-z0-9-]+)*$/i;
+        return !email || valid_email.test(email);
+      }
+      function showReferenceEmail(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.invalid_format.email.reference"));
+      }
+      if (entity.tags.email) {
+        var emails = entity.tags.email.split(";").map(function(s) {
+          return s.trim();
+        }).filter(function(x) {
+          return !isValidEmail(x);
+        });
+        if (emails.length) {
+          issues.push(new validationIssue({
+            type: type2,
+            subtype: "email",
+            severity: "warning",
+            message: function(context) {
+              var entity2 = context.hasEntity(this.entityIds[0]);
+              return entity2 ? _t.append(
+                "issues.invalid_format.email.message" + this.data,
+                { feature: utilDisplayLabel(entity2, context.graph()), email: emails.join(", ") }
+              ) : "";
+            },
+            reference: showReferenceEmail,
+            entityIds: [entity.id],
+            hash: emails.join(),
+            data: emails.length > 1 ? "_multi" : ""
+          }));
+        }
+      }
+      return issues;
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/help_request.js
+  function validationHelpRequest(context) {
+    var type2 = "help_request";
+    var validation = function checkFixmeTag(entity) {
+      if (!entity.tags.fixme)
+        return [];
+      if (entity.version === void 0)
+        return [];
+      if (entity.v !== void 0) {
+        var baseEntity = context.history().base().hasEntity(entity.id);
+        if (!baseEntity || !baseEntity.tags.fixme)
+          return [];
+      }
+      return [new validationIssue({
+        type: type2,
+        subtype: "fixme_tag",
+        severity: "warning",
+        message: function(context2) {
+          var entity2 = context2.hasEntity(this.entityIds[0]);
+          return entity2 ? _t.append("issues.fixme_tag.message", {
+            feature: utilDisplayLabel(
+              entity2,
+              context2.graph(),
+              true
+              /* verbose */
+            )
+          }) : "";
+        },
+        dynamicFixes: function() {
+          return [
+            new validationIssueFix({
+              title: _t.append("issues.fix.address_the_concern.title")
+            })
+          ];
+        },
+        reference: showReference,
+        entityIds: [entity.id]
+      })];
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.fixme_tag.reference"));
+      }
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/impossible_oneway.js
+  function validationImpossibleOneway() {
+    var type2 = "impossible_oneway";
+    var validation = function checkImpossibleOneway(entity, graph) {
+      if (entity.type !== "way" || entity.geometry(graph) !== "line")
+        return [];
+      if (entity.isClosed())
+        return [];
+      if (!typeForWay(entity))
+        return [];
+      if (!isOneway(entity))
+        return [];
+      var firstIssues = issuesForNode(entity, entity.first());
+      var lastIssues = issuesForNode(entity, entity.last());
+      return firstIssues.concat(lastIssues);
+      function typeForWay(way) {
+        if (way.geometry(graph) !== "line")
+          return null;
+        if (osmRoutableHighwayTagValues[way.tags.highway])
+          return "highway";
+        if (osmFlowingWaterwayTagValues[way.tags.waterway])
+          return "waterway";
+        return null;
+      }
+      function isOneway(way) {
+        if (way.tags.oneway === "yes")
+          return true;
+        if (way.tags.oneway)
+          return false;
+        for (var key in way.tags) {
+          if (osmOneWayTags[key] && osmOneWayTags[key][way.tags[key]]) {
+            return true;
+          }
+        }
+        return false;
+      }
+      function nodeOccursMoreThanOnce(way, nodeID) {
+        var occurrences = 0;
+        for (var index in way.nodes) {
+          if (way.nodes[index] === nodeID) {
+            occurrences += 1;
+            if (occurrences > 1)
+              return true;
+          }
+        }
+        return false;
+      }
+      function isConnectedViaOtherTypes(way, node) {
+        var wayType = typeForWay(way);
+        if (wayType === "highway") {
+          if (node.tags.entrance && node.tags.entrance !== "no")
+            return true;
+          if (node.tags.amenity === "parking_entrance")
+            return true;
+        } else if (wayType === "waterway") {
+          if (node.id === way.first()) {
+            if (node.tags.natural === "spring")
+              return true;
+          } else {
+            if (node.tags.manhole === "drain")
+              return true;
+          }
+        }
+        return graph.parentWays(node).some(function(parentWay) {
+          if (parentWay.id === way.id)
+            return false;
+          if (wayType === "highway") {
+            if (parentWay.geometry(graph) === "area" && osmRoutableHighwayTagValues[parentWay.tags.highway])
+              return true;
+            if (parentWay.tags.route === "ferry")
+              return true;
+            return graph.parentRelations(parentWay).some(function(parentRelation) {
+              if (parentRelation.tags.type === "route" && parentRelation.tags.route === "ferry")
+                return true;
+              return parentRelation.isMultipolygon() && osmRoutableHighwayTagValues[parentRelation.tags.highway];
+            });
+          } else if (wayType === "waterway") {
+            if (parentWay.tags.natural === "water" || parentWay.tags.natural === "coastline")
+              return true;
+          }
+          return false;
+        });
+      }
+      function issuesForNode(way, nodeID) {
+        var isFirst = nodeID === way.first();
+        var wayType = typeForWay(way);
+        if (nodeOccursMoreThanOnce(way, nodeID))
+          return [];
+        var osm = services.osm;
+        if (!osm)
+          return [];
+        var node = graph.hasEntity(nodeID);
+        if (!node || !osm.isDataLoaded(node.loc))
+          return [];
+        if (isConnectedViaOtherTypes(way, node))
+          return [];
+        var attachedWaysOfSameType = graph.parentWays(node).filter(function(parentWay) {
+          if (parentWay.id === way.id)
+            return false;
+          return typeForWay(parentWay) === wayType;
+        });
+        if (wayType === "waterway" && attachedWaysOfSameType.length === 0)
+          return [];
+        var attachedOneways = attachedWaysOfSameType.filter(function(attachedWay) {
+          return isOneway(attachedWay);
+        });
+        if (attachedOneways.length < attachedWaysOfSameType.length)
+          return [];
+        if (attachedOneways.length) {
+          var connectedEndpointsOkay = attachedOneways.some(function(attachedOneway) {
+            if ((isFirst ? attachedOneway.first() : attachedOneway.last()) !== nodeID)
+              return true;
+            if (nodeOccursMoreThanOnce(attachedOneway, nodeID))
+              return true;
+            return false;
+          });
+          if (connectedEndpointsOkay)
+            return [];
+        }
+        var placement = isFirst ? "start" : "end", messageID = wayType + ".", referenceID = wayType + ".";
+        if (wayType === "waterway") {
+          messageID += "connected." + placement;
+          referenceID += "connected";
+        } else {
+          messageID += placement;
+          referenceID += placement;
+        }
+        return [new validationIssue({
+          type: type2,
+          subtype: wayType,
+          severity: "warning",
+          message: function(context) {
+            var entity2 = context.hasEntity(this.entityIds[0]);
+            return entity2 ? _t.append("issues.impossible_oneway." + messageID + ".message", {
+              feature: utilDisplayLabel(entity2, context.graph())
+            }) : "";
+          },
+          reference: getReference(referenceID),
+          entityIds: [way.id, node.id],
+          dynamicFixes: function() {
+            var fixes = [];
+            if (attachedOneways.length) {
+              fixes.push(new validationIssueFix({
+                icon: "iD-operation-reverse",
+                title: _t.append("issues.fix.reverse_feature.title"),
+                entityIds: [way.id],
+                onClick: function(context) {
+                  var id2 = this.issue.entityIds[0];
+                  context.perform(actionReverse(id2), _t("operations.reverse.annotation.line", { n: 1 }));
+                }
+              }));
+            }
+            if (node.tags.noexit !== "yes") {
+              var textDirection = _mainLocalizer.textDirection();
+              var useLeftContinue = isFirst && textDirection === "ltr" || !isFirst && textDirection === "rtl";
+              fixes.push(new validationIssueFix({
+                icon: "iD-operation-continue" + (useLeftContinue ? "-left" : ""),
+                title: _t.append("issues.fix.continue_from_" + (isFirst ? "start" : "end") + ".title"),
+                onClick: function(context) {
+                  var entityID = this.issue.entityIds[0];
+                  var vertexID = this.issue.entityIds[1];
+                  var way2 = context.entity(entityID);
+                  var vertex = context.entity(vertexID);
+                  continueDrawing(way2, vertex, context);
+                }
+              }));
+            }
+            return fixes;
+          },
+          loc: node.loc
+        })];
+        function getReference(referenceID2) {
+          return function showReference(selection2) {
+            selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.impossible_oneway." + referenceID2 + ".reference"));
+          };
+        }
+      }
+    };
+    function continueDrawing(way, vertex, context) {
+      var map2 = context.map();
+      if (!context.editable() || !map2.trimmedExtent().contains(vertex.loc)) {
+        map2.zoomToEase(vertex);
+      }
+      context.enter(
+        modeDrawLine(context, way.id, context.graph(), "line", way.affix(vertex.id), true)
+      );
+    }
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/incompatible_source.js
+  function validationIncompatibleSource() {
+    const type2 = "incompatible_source";
+    const incompatibleRules = [
+      {
+        id: "amap",
+        regex: /(^amap$|^amap\.com|autonavi|mapabc|高德)/i
+      },
+      {
+        id: "baidu",
+        regex: /(baidu|mapbar|百度)/i
+      },
+      {
+        id: "google",
+        regex: /google/i,
+        exceptRegex: /((books|drive)\.google|google\s?(books|drive|plus))|(esri\/Google_Africa_Buildings)/i
+      }
+    ];
+    const validation = function checkIncompatibleSource(entity) {
+      const entitySources = entity.tags && entity.tags.source && entity.tags.source.split(";");
+      if (!entitySources)
+        return [];
+      const entityID = entity.id;
+      return entitySources.map((source) => {
+        const matchRule = incompatibleRules.find((rule) => {
+          if (!rule.regex.test(source))
+            return false;
+          if (rule.exceptRegex && rule.exceptRegex.test(source))
+            return false;
+          return true;
+        });
+        if (!matchRule)
+          return null;
+        return new validationIssue({
+          type: type2,
+          severity: "warning",
+          message: (context) => {
+            const entity2 = context.hasEntity(entityID);
+            return entity2 ? _t.append("issues.incompatible_source.feature.message", {
+              feature: utilDisplayLabel(
+                entity2,
+                context.graph(),
+                true
+                /* verbose */
+              ),
+              value: source
+            }) : "";
+          },
+          reference: getReference(matchRule.id),
+          entityIds: [entityID],
+          hash: source,
+          dynamicFixes: () => {
+            return [
+              new validationIssueFix({ title: _t.append("issues.fix.remove_proprietary_data.title") })
+            ];
+          }
+        });
+      }).filter(Boolean);
+      function getReference(id2) {
+        return function showReference(selection2) {
+          selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append(`issues.incompatible_source.reference.${id2}`));
+        };
+      }
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/maprules.js
+  function validationMaprules() {
+    var type2 = "maprules";
+    var validation = function checkMaprules(entity, graph) {
+      if (!services.maprules)
+        return [];
+      var rules = services.maprules.validationRules();
+      var issues = [];
+      for (var i2 = 0; i2 < rules.length; i2++) {
+        var rule = rules[i2];
+        rule.findIssues(entity, graph, issues);
+      }
+      return issues;
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/mismatched_geometry.js
+  var import_fast_deep_equal4 = __toESM(require_fast_deep_equal());
+  function validationMismatchedGeometry() {
+    var type2 = "mismatched_geometry";
+    function tagSuggestingLineIsArea(entity) {
+      if (entity.type !== "way" || entity.isClosed())
+        return null;
+      var tagSuggestingArea = entity.tagSuggestingArea();
+      if (!tagSuggestingArea) {
+        return null;
+      }
+      var asLine = _mainPresetIndex.matchTags(tagSuggestingArea, "line");
+      var asArea = _mainPresetIndex.matchTags(tagSuggestingArea, "area");
+      if (asLine && asArea && asLine === asArea) {
+        return null;
+      }
+      return tagSuggestingArea;
+    }
+    function makeConnectEndpointsFixOnClick(way, graph) {
+      if (way.nodes.length < 3)
+        return null;
+      var nodes = graph.childNodes(way), testNodes;
+      var firstToLastDistanceMeters = geoSphericalDistance(nodes[0].loc, nodes[nodes.length - 1].loc);
+      if (firstToLastDistanceMeters < 0.75) {
+        testNodes = nodes.slice();
+        testNodes.pop();
+        testNodes.push(testNodes[0]);
+        if (!geoHasSelfIntersections(testNodes, testNodes[0].id)) {
+          return function(context) {
+            var way2 = context.entity(this.issue.entityIds[0]);
+            context.perform(
+              actionMergeNodes([way2.nodes[0], way2.nodes[way2.nodes.length - 1]], nodes[0].loc),
+              _t("issues.fix.connect_endpoints.annotation")
+            );
+          };
+        }
+      }
+      testNodes = nodes.slice();
+      testNodes.push(testNodes[0]);
+      if (!geoHasSelfIntersections(testNodes, testNodes[0].id)) {
+        return function(context) {
+          var wayId = this.issue.entityIds[0];
+          var way2 = context.entity(wayId);
+          var nodeId = way2.nodes[0];
+          var index = way2.nodes.length;
+          context.perform(
+            actionAddVertex(wayId, nodeId, index),
+            _t("issues.fix.connect_endpoints.annotation")
+          );
+        };
+      }
+    }
+    function lineTaggedAsAreaIssue(entity) {
+      var tagSuggestingArea = tagSuggestingLineIsArea(entity);
+      if (!tagSuggestingArea)
+        return null;
+      var validAsLine = false;
+      var presetAsLine = _mainPresetIndex.matchTags(entity.tags, "line");
+      if (presetAsLine) {
+        validAsLine = true;
+        var key = Object.keys(tagSuggestingArea)[0];
+        if (presetAsLine.tags[key] && presetAsLine.tags[key] === "*") {
+          validAsLine = false;
+        }
+        if (Object.keys(presetAsLine.tags).length === 0) {
+          validAsLine = false;
+        }
+      }
+      return new validationIssue({
+        type: type2,
+        subtype: "area_as_line",
+        severity: "warning",
+        message: function(context) {
+          var entity2 = context.hasEntity(this.entityIds[0]);
+          return entity2 ? _t.append("issues.tag_suggests_area.message", {
+            feature: utilDisplayLabel(
+              entity2,
+              "area",
+              true
+              /* verbose */
+            ),
+            tag: utilTagText({ tags: tagSuggestingArea })
+          }) : "";
+        },
+        reference: showReference,
+        entityIds: [entity.id],
+        hash: JSON.stringify(tagSuggestingArea),
+        dynamicFixes: function(context) {
+          var fixes = [];
+          var entity2 = context.entity(this.entityIds[0]);
+          var connectEndsOnClick = makeConnectEndpointsFixOnClick(entity2, context.graph());
+          if (!validAsLine) {
+            fixes.push(new validationIssueFix({
+              title: _t.append("issues.fix.connect_endpoints.title"),
+              onClick: connectEndsOnClick
+            }));
+          }
+          fixes.push(new validationIssueFix({
+            icon: "iD-operation-delete",
+            title: _t.append("issues.fix.remove_tag.title"),
+            onClick: function(context2) {
+              var entityId = this.issue.entityIds[0];
+              var entity3 = context2.entity(entityId);
+              var tags = Object.assign({}, entity3.tags);
+              for (var key2 in tagSuggestingArea) {
+                delete tags[key2];
+              }
+              context2.perform(
+                actionChangeTags(entityId, tags),
+                _t("issues.fix.remove_tag.annotation")
+              );
+            }
+          }));
+          return fixes;
+        }
+      });
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.tag_suggests_area.reference"));
+      }
+    }
+    function vertexPointIssue(entity, graph) {
+      if (entity.type !== "node")
+        return null;
+      if (Object.keys(entity.tags).length === 0)
+        return null;
+      if (entity.isOnAddressLine(graph))
+        return null;
+      var geometry = entity.geometry(graph);
+      var allowedGeometries = osmNodeGeometriesForTags(entity.tags);
+      if (geometry === "point" && !allowedGeometries.point && allowedGeometries.vertex) {
+        return new validationIssue({
+          type: type2,
+          subtype: "vertex_as_point",
+          severity: "warning",
+          message: function(context) {
+            var entity2 = context.hasEntity(this.entityIds[0]);
+            return entity2 ? _t.append("issues.vertex_as_point.message", {
+              feature: utilDisplayLabel(
+                entity2,
+                "vertex",
+                true
+                /* verbose */
+              )
+            }) : "";
+          },
+          reference: function showReference(selection2) {
+            selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.vertex_as_point.reference"));
+          },
+          entityIds: [entity.id]
+        });
+      } else if (geometry === "vertex" && !allowedGeometries.vertex && allowedGeometries.point) {
+        return new validationIssue({
+          type: type2,
+          subtype: "point_as_vertex",
+          severity: "warning",
+          message: function(context) {
+            var entity2 = context.hasEntity(this.entityIds[0]);
+            return entity2 ? _t.append("issues.point_as_vertex.message", {
+              feature: utilDisplayLabel(
+                entity2,
+                "point",
+                true
+                /* verbose */
+              )
+            }) : "";
+          },
+          reference: function showReference(selection2) {
+            selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.point_as_vertex.reference"));
+          },
+          entityIds: [entity.id],
+          dynamicFixes: extractPointDynamicFixes
+        });
+      }
+      return null;
+    }
+    function otherMismatchIssue(entity, graph) {
+      if (!entity.hasInterestingTags())
+        return null;
+      if (entity.type !== "node" && entity.type !== "way")
+        return null;
+      if (entity.type === "node" && entity.isOnAddressLine(graph))
+        return null;
+      var sourceGeom = entity.geometry(graph);
+      var targetGeoms = entity.type === "way" ? ["point", "vertex"] : ["line", "area"];
+      if (sourceGeom === "area")
+        targetGeoms.unshift("line");
+      var asSource = _mainPresetIndex.match(entity, graph);
+      var targetGeom = targetGeoms.find((nodeGeom) => {
+        var asTarget = _mainPresetIndex.matchTags(entity.tags, nodeGeom);
+        if (!asSource || !asTarget || asSource === asTarget || // sometimes there are two presets with the same tags for different geometries
+        (0, import_fast_deep_equal4.default)(asSource.tags, asTarget.tags))
+          return false;
+        if (asTarget.isFallback())
+          return false;
+        var primaryKey = Object.keys(asTarget.tags)[0];
+        if (primaryKey === "building")
+          return false;
+        if (asTarget.tags[primaryKey] === "*")
+          return false;
+        return asSource.isFallback() || asSource.tags[primaryKey] === "*";
+      });
+      if (!targetGeom)
+        return null;
+      var subtype = targetGeom + "_as_" + sourceGeom;
+      if (targetGeom === "vertex")
+        targetGeom = "point";
+      if (sourceGeom === "vertex")
+        sourceGeom = "point";
+      var referenceId = targetGeom + "_as_" + sourceGeom;
+      var dynamicFixes;
+      if (targetGeom === "point") {
+        dynamicFixes = extractPointDynamicFixes;
+      } else if (sourceGeom === "area" && targetGeom === "line") {
+        dynamicFixes = lineToAreaDynamicFixes;
+      }
+      return new validationIssue({
+        type: type2,
+        subtype,
+        severity: "warning",
+        message: function(context) {
+          var entity2 = context.hasEntity(this.entityIds[0]);
+          return entity2 ? _t.append("issues." + referenceId + ".message", {
+            feature: utilDisplayLabel(
+              entity2,
+              targetGeom,
+              true
+              /* verbose */
+            )
+          }) : "";
+        },
+        reference: function showReference(selection2) {
+          selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.mismatched_geometry.reference"));
+        },
+        entityIds: [entity.id],
+        dynamicFixes
+      });
+    }
+    function lineToAreaDynamicFixes(context) {
+      var convertOnClick;
+      var entityId = this.entityIds[0];
+      var entity = context.entity(entityId);
+      var tags = Object.assign({}, entity.tags);
+      delete tags.area;
+      if (!osmTagSuggestingArea(tags)) {
+        convertOnClick = function(context2) {
+          var entityId2 = this.issue.entityIds[0];
+          var entity2 = context2.entity(entityId2);
+          var tags2 = Object.assign({}, entity2.tags);
+          if (tags2.area) {
+            delete tags2.area;
+          }
+          context2.perform(
+            actionChangeTags(entityId2, tags2),
+            _t("issues.fix.convert_to_line.annotation")
+          );
+        };
+      }
+      return [
+        new validationIssueFix({
+          icon: "iD-icon-line",
+          title: _t.append("issues.fix.convert_to_line.title"),
+          onClick: convertOnClick
+        })
+      ];
+    }
+    function extractPointDynamicFixes(context) {
+      var entityId = this.entityIds[0];
+      var extractOnClick = null;
+      if (!context.hasHiddenConnections(entityId)) {
+        extractOnClick = function(context2) {
+          var entityId2 = this.issue.entityIds[0];
+          var action = actionExtract(entityId2, context2.projection);
+          context2.perform(
+            action,
+            _t("operations.extract.annotation", { n: 1 })
+          );
+          context2.enter(modeSelect(context2, [action.getExtractedNodeID()]));
+        };
+      }
+      return [
+        new validationIssueFix({
+          icon: "iD-operation-extract",
+          title: _t.append("issues.fix.extract_point.title"),
+          onClick: extractOnClick
+        })
+      ];
+    }
+    function unclosedMultipolygonPartIssues(entity, graph) {
+      if (entity.type !== "relation" || !entity.isMultipolygon() || entity.isDegenerate() || // cannot determine issues for incompletely-downloaded relations
+      !entity.isComplete(graph))
+        return [];
+      var sequences = osmJoinWays(entity.members, graph);
+      var issues = [];
+      for (var i2 in sequences) {
+        var sequence = sequences[i2];
+        if (!sequence.nodes)
+          continue;
+        var firstNode = sequence.nodes[0];
+        var lastNode = sequence.nodes[sequence.nodes.length - 1];
+        if (firstNode === lastNode)
+          continue;
+        var issue = new validationIssue({
+          type: type2,
+          subtype: "unclosed_multipolygon_part",
+          severity: "warning",
+          message: function(context) {
+            var entity2 = context.hasEntity(this.entityIds[0]);
+            return entity2 ? _t.append("issues.unclosed_multipolygon_part.message", {
+              feature: utilDisplayLabel(
+                entity2,
+                context.graph(),
+                true
+                /* verbose */
+              )
+            }) : "";
+          },
+          reference: showReference,
+          loc: sequence.nodes[0].loc,
+          entityIds: [entity.id],
+          hash: sequence.map(function(way) {
+            return way.id;
+          }).join()
+        });
+        issues.push(issue);
+      }
+      return issues;
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.unclosed_multipolygon_part.reference"));
+      }
+    }
+    var validation = function checkMismatchedGeometry(entity, graph) {
+      var vertexPoint = vertexPointIssue(entity, graph);
+      if (vertexPoint)
+        return [vertexPoint];
+      var lineAsArea = lineTaggedAsAreaIssue(entity);
+      if (lineAsArea)
+        return [lineAsArea];
+      var mismatch = otherMismatchIssue(entity, graph);
+      if (mismatch)
+        return [mismatch];
+      return unclosedMultipolygonPartIssues(entity, graph);
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/missing_role.js
+  function validationMissingRole() {
+    var type2 = "missing_role";
+    var validation = function checkMissingRole(entity, graph) {
+      var issues = [];
+      if (entity.type === "way") {
+        graph.parentRelations(entity).forEach(function(relation) {
+          if (!relation.isMultipolygon())
+            return;
+          var member = relation.memberById(entity.id);
+          if (member && isMissingRole(member)) {
+            issues.push(makeIssue(entity, relation, member));
+          }
+        });
+      } else if (entity.type === "relation" && entity.isMultipolygon()) {
+        entity.indexedMembers().forEach(function(member) {
+          var way = graph.hasEntity(member.id);
+          if (way && isMissingRole(member)) {
+            issues.push(makeIssue(way, entity, member));
+          }
+        });
+      }
+      return issues;
+    };
+    function isMissingRole(member) {
+      return !member.role || !member.role.trim().length;
+    }
+    function makeIssue(way, relation, member) {
+      return new validationIssue({
+        type: type2,
+        severity: "warning",
+        message: function(context) {
+          var member2 = context.hasEntity(this.entityIds[1]), relation2 = context.hasEntity(this.entityIds[0]);
+          return member2 && relation2 ? _t.append("issues.missing_role.message", {
+            member: utilDisplayLabel(member2, context.graph()),
+            relation: utilDisplayLabel(relation2, context.graph())
+          }) : "";
+        },
+        reference: showReference,
+        entityIds: [relation.id, way.id],
+        data: {
+          member
+        },
+        hash: member.index.toString(),
+        dynamicFixes: function() {
+          return [
+            makeAddRoleFix("inner"),
+            makeAddRoleFix("outer"),
+            new validationIssueFix({
+              icon: "iD-operation-delete",
+              title: _t.append("issues.fix.remove_from_relation.title"),
+              onClick: function(context) {
+                context.perform(
+                  actionDeleteMember(this.issue.entityIds[0], this.issue.data.member.index),
+                  _t("operations.delete_member.annotation", {
+                    n: 1
+                  })
+                );
+              }
+            })
+          ];
+        }
+      });
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.missing_role.multipolygon.reference"));
+      }
+    }
+    function makeAddRoleFix(role) {
+      return new validationIssueFix({
+        title: _t.append("issues.fix.set_as_" + role + ".title"),
+        onClick: function(context) {
+          var oldMember = this.issue.data.member;
+          var member = { id: this.issue.entityIds[1], type: oldMember.type, role };
+          context.perform(
+            actionChangeMember(this.issue.entityIds[0], member, oldMember.index),
+            _t("operations.change_role.annotation", {
+              n: 1
+            })
+          );
+        }
+      });
+    }
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/missing_tag.js
+  function validationMissingTag(context) {
+    var type2 = "missing_tag";
+    function hasDescriptiveTags(entity, graph) {
+      var onlyAttributeKeys = ["description", "name", "note", "start_date"];
+      var entityDescriptiveKeys = Object.keys(entity.tags).filter(function(k) {
+        if (k === "area" || !osmIsInterestingTag(k))
+          return false;
+        return !onlyAttributeKeys.some(function(attributeKey) {
+          return k === attributeKey || k.indexOf(attributeKey + ":") === 0;
+        });
+      });
+      if (entity.type === "relation" && entityDescriptiveKeys.length === 1 && entity.tags.type === "multipolygon") {
+        return osmOldMultipolygonOuterMemberOfRelation(entity, graph);
+      }
+      return entityDescriptiveKeys.length > 0;
+    }
+    function isUnknownRoad(entity) {
+      return entity.type === "way" && entity.tags.highway === "road";
+    }
+    function isUntypedRelation(entity) {
+      return entity.type === "relation" && !entity.tags.type;
+    }
+    var validation = function checkMissingTag(entity, graph) {
+      var subtype;
+      var osm = context.connection();
+      var isUnloadedNode = entity.type === "node" && osm && !osm.isDataLoaded(entity.loc);
+      if (!isUnloadedNode && // allow untagged nodes that are part of ways
+      entity.geometry(graph) !== "vertex" && // allow untagged entities that are part of relations
+      !entity.hasParentRelations(graph)) {
+        if (Object.keys(entity.tags).length === 0) {
+          subtype = "any";
+        } else if (!hasDescriptiveTags(entity, graph)) {
+          subtype = "descriptive";
+        } else if (isUntypedRelation(entity)) {
+          subtype = "relation_type";
+        }
+      }
+      if (!subtype && isUnknownRoad(entity)) {
+        subtype = "highway_classification";
+      }
+      if (!subtype)
+        return [];
+      var messageID = subtype === "highway_classification" ? "unknown_road" : "missing_tag." + subtype;
+      var referenceID = subtype === "highway_classification" ? "unknown_road" : "missing_tag";
+      var canDelete = entity.version === void 0 || entity.v !== void 0;
+      var severity = canDelete && subtype !== "highway_classification" ? "error" : "warning";
+      return [new validationIssue({
+        type: type2,
+        subtype,
+        severity,
+        message: function(context2) {
+          var entity2 = context2.hasEntity(this.entityIds[0]);
+          return entity2 ? _t.append("issues." + messageID + ".message", {
+            feature: utilDisplayLabel(entity2, context2.graph())
+          }) : "";
+        },
+        reference: showReference,
+        entityIds: [entity.id],
+        dynamicFixes: function(context2) {
+          var fixes = [];
+          var selectFixType = subtype === "highway_classification" ? "select_road_type" : "select_preset";
+          fixes.push(new validationIssueFix({
+            icon: "iD-icon-search",
+            title: _t.append("issues.fix." + selectFixType + ".title"),
+            onClick: function(context3) {
+              context3.ui().sidebar.showPresetList();
+            }
+          }));
+          var deleteOnClick;
+          var id2 = this.entityIds[0];
+          var operation = operationDelete(context2, [id2]);
+          var disabledReasonID = operation.disabled();
+          if (!disabledReasonID) {
+            deleteOnClick = function(context3) {
+              var id3 = this.issue.entityIds[0];
+              var operation2 = operationDelete(context3, [id3]);
+              if (!operation2.disabled()) {
+                operation2();
+              }
+            };
+          }
+          fixes.push(
+            new validationIssueFix({
+              icon: "iD-operation-delete",
+              title: _t.append("issues.fix.delete_feature.title"),
+              disabledReason: disabledReasonID ? _t("operations.delete." + disabledReasonID + ".single") : void 0,
+              onClick: deleteOnClick
+            })
+          );
+          return fixes;
+        }
+      })];
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues." + referenceID + ".reference"));
+      }
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/outdated_tags.js
+  function validationOutdatedTags() {
+    const type2 = "outdated_tags";
+    let _waitingForDeprecated = true;
+    let _dataDeprecated;
+    _mainFileFetcher.get("deprecated").then((d) => _dataDeprecated = d).catch(() => {
+    }).finally(() => _waitingForDeprecated = false);
+    function oldTagIssues(entity, graph) {
+      if (!entity.hasInterestingTags())
+        return [];
+      let preset = _mainPresetIndex.match(entity, graph);
+      if (!preset)
+        return [];
+      const oldTags = Object.assign({}, entity.tags);
+      let subtype = "deprecated_tags";
+      if (preset.replacement) {
+        const newPreset = _mainPresetIndex.item(preset.replacement);
+        graph = actionChangePreset(
+          entity.id,
+          preset,
+          newPreset,
+          true
+          /* skip field defaults */
+        )(graph);
+        entity = graph.entity(entity.id);
+        preset = newPreset;
+      }
+      if (_dataDeprecated) {
+        const deprecatedTags = entity.deprecatedTags(_dataDeprecated);
+        if (deprecatedTags.length) {
+          deprecatedTags.forEach((tag) => {
+            graph = actionUpgradeTags(entity.id, tag.old, tag.replace)(graph);
+          });
+          entity = graph.entity(entity.id);
+        }
+      }
+      let newTags = Object.assign({}, entity.tags);
+      if (preset.tags !== preset.addTags) {
+        Object.keys(preset.addTags).forEach((k) => {
+          if (!newTags[k]) {
+            if (preset.addTags[k] === "*") {
+              newTags[k] = "yes";
+            } else {
+              newTags[k] = preset.addTags[k];
+            }
+          }
+        });
+      }
+      const nsi = services.nsi;
+      let waitingForNsi = false;
+      let nsiResult;
+      if (nsi) {
+        waitingForNsi = nsi.status() === "loading";
+        if (!waitingForNsi) {
+          const loc = entity.extent(graph).center();
+          nsiResult = nsi.upgradeTags(newTags, loc);
+          if (nsiResult) {
+            newTags = nsiResult.newTags;
+            subtype = "noncanonical_brand";
+          }
+        }
+      }
+      let issues = [];
+      issues.provisional = _waitingForDeprecated || waitingForNsi;
+      const tagDiff = utilTagDiff(oldTags, newTags);
+      if (!tagDiff.length)
+        return issues;
+      const isOnlyAddingTags = tagDiff.every((d) => d.type === "+");
+      let prefix = "";
+      if (nsiResult) {
+        prefix = "noncanonical_brand.";
+      } else if (subtype === "deprecated_tags" && isOnlyAddingTags) {
+        subtype = "incomplete_tags";
+        prefix = "incomplete.";
+      }
+      let autoArgs = subtype !== "noncanonical_brand" ? [doUpgrade, _t("issues.fix.upgrade_tags.annotation")] : null;
+      issues.push(new validationIssue({
+        type: type2,
+        subtype,
+        severity: "warning",
+        message: showMessage,
+        reference: showReference,
+        entityIds: [entity.id],
+        hash: utilHashcode(JSON.stringify(tagDiff)),
+        dynamicFixes: () => {
+          let fixes = [
+            new validationIssueFix({
+              autoArgs,
+              title: _t.append("issues.fix.upgrade_tags.title"),
+              onClick: (context) => {
+                context.perform(doUpgrade, _t("issues.fix.upgrade_tags.annotation"));
+              }
+            })
+          ];
+          const item = nsiResult && nsiResult.matched;
+          if (item) {
+            fixes.push(
+              new validationIssueFix({
+                title: _t.append("issues.fix.tag_as_not.title", { name: item.displayName }),
+                onClick: (context) => {
+                  context.perform(addNotTag, _t("issues.fix.tag_as_not.annotation"));
+                }
+              })
+            );
+          }
+          return fixes;
+        }
+      }));
+      return issues;
+      function doUpgrade(graph2) {
+        const currEntity = graph2.hasEntity(entity.id);
+        if (!currEntity)
+          return graph2;
+        let newTags2 = Object.assign({}, currEntity.tags);
+        tagDiff.forEach((diff) => {
+          if (diff.type === "-") {
+            delete newTags2[diff.key];
+          } else if (diff.type === "+") {
+            newTags2[diff.key] = diff.newVal;
+          }
+        });
+        return actionChangeTags(currEntity.id, newTags2)(graph2);
+      }
+      function addNotTag(graph2) {
+        const currEntity = graph2.hasEntity(entity.id);
+        if (!currEntity)
+          return graph2;
+        const item = nsiResult && nsiResult.matched;
+        if (!item)
+          return graph2;
+        let newTags2 = Object.assign({}, currEntity.tags);
+        const wd = item.mainTag;
+        const notwd = `not:${wd}`;
+        const qid = item.tags[wd];
+        newTags2[notwd] = qid;
+        if (newTags2[wd] === qid) {
+          const wp = item.mainTag.replace("wikidata", "wikipedia");
+          delete newTags2[wd];
+          delete newTags2[wp];
+        }
+        return actionChangeTags(currEntity.id, newTags2)(graph2);
+      }
+      function showMessage(context) {
+        const currEntity = context.hasEntity(entity.id);
+        if (!currEntity)
+          return "";
+        let messageID = `issues.outdated_tags.${prefix}message`;
+        if (subtype === "noncanonical_brand" && isOnlyAddingTags) {
+          messageID += "_incomplete";
+        }
+        return _t.append(messageID, {
+          feature: utilDisplayLabel(
+            currEntity,
+            context.graph(),
+            true
+            /* verbose */
+          )
+        });
+      }
+      function showReference(selection2) {
+        let enter = selection2.selectAll(".issue-reference").data([0]).enter();
+        enter.append("div").attr("class", "issue-reference").call(_t.append(`issues.outdated_tags.${prefix}reference`));
+        enter.append("strong").call(_t.append("issues.suggested"));
+        enter.append("table").attr("class", "tagDiff-table").selectAll(".tagDiff-row").data(tagDiff).enter().append("tr").attr("class", "tagDiff-row").append("td").attr("class", (d) => {
+          let klass = d.type === "+" ? "add" : "remove";
+          return `tagDiff-cell tagDiff-cell-${klass}`;
+        }).html((d) => d.display);
+      }
+    }
+    function oldMultipolygonIssues(entity, graph) {
+      let multipolygon, outerWay;
+      if (entity.type === "relation") {
+        outerWay = osmOldMultipolygonOuterMemberOfRelation(entity, graph);
+        multipolygon = entity;
+      } else if (entity.type === "way") {
+        multipolygon = osmIsOldMultipolygonOuterMember(entity, graph);
+        outerWay = entity;
+      } else {
+        return [];
+      }
+      if (!multipolygon || !outerWay)
+        return [];
+      return [new validationIssue({
+        type: type2,
+        subtype: "old_multipolygon",
+        severity: "warning",
+        message: showMessage,
+        reference: showReference,
+        entityIds: [outerWay.id, multipolygon.id],
+        dynamicFixes: () => {
+          return [
+            new validationIssueFix({
+              autoArgs: [doUpgrade, _t("issues.fix.move_tags.annotation")],
+              title: _t.append("issues.fix.move_tags.title"),
+              onClick: (context) => {
+                context.perform(doUpgrade, _t("issues.fix.move_tags.annotation"));
+              }
+            })
+          ];
+        }
+      })];
+      function doUpgrade(graph2) {
+        let currMultipolygon = graph2.hasEntity(multipolygon.id);
+        let currOuterWay = graph2.hasEntity(outerWay.id);
+        if (!currMultipolygon || !currOuterWay)
+          return graph2;
+        currMultipolygon = currMultipolygon.mergeTags(currOuterWay.tags);
+        graph2 = graph2.replace(currMultipolygon);
+        return actionChangeTags(currOuterWay.id, {})(graph2);
+      }
+      function showMessage(context) {
+        let currMultipolygon = context.hasEntity(multipolygon.id);
+        if (!currMultipolygon)
+          return "";
+        return _t.append(
+          "issues.old_multipolygon.message",
+          { multipolygon: utilDisplayLabel(
+            currMultipolygon,
+            context.graph(),
+            true
+            /* verbose */
+          ) }
+        );
+      }
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.old_multipolygon.reference"));
+      }
+    }
+    let validation = function checkOutdatedTags(entity, graph) {
+      let issues = oldMultipolygonIssues(entity, graph);
+      if (!issues.length)
+        issues = oldTagIssues(entity, graph);
+      return issues;
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/private_data.js
+  function validationPrivateData() {
+    var type2 = "private_data";
+    var privateBuildingValues = {
+      detached: true,
+      farm: true,
+      house: true,
+      houseboat: true,
+      residential: true,
+      semidetached_house: true,
+      static_caravan: true
+    };
+    var publicKeys = {
+      amenity: true,
+      craft: true,
+      historic: true,
+      leisure: true,
+      office: true,
+      shop: true,
+      tourism: true
+    };
+    var personalTags = {
+      "contact:email": true,
+      "contact:fax": true,
+      "contact:phone": true,
+      email: true,
+      fax: true,
+      phone: true
+    };
+    var validation = function checkPrivateData(entity) {
+      var tags = entity.tags;
+      if (!tags.building || !privateBuildingValues[tags.building])
+        return [];
+      var keepTags = {};
+      for (var k in tags) {
+        if (publicKeys[k])
+          return [];
+        if (!personalTags[k]) {
+          keepTags[k] = tags[k];
+        }
+      }
+      var tagDiff = utilTagDiff(tags, keepTags);
+      if (!tagDiff.length)
+        return [];
+      var fixID = tagDiff.length === 1 ? "remove_tag" : "remove_tags";
+      return [new validationIssue({
+        type: type2,
+        severity: "warning",
+        message: showMessage,
+        reference: showReference,
+        entityIds: [entity.id],
+        dynamicFixes: function() {
+          return [
+            new validationIssueFix({
+              icon: "iD-operation-delete",
+              title: _t.append("issues.fix." + fixID + ".title"),
+              onClick: function(context) {
+                context.perform(doUpgrade, _t("issues.fix.remove_tag.annotation"));
+              }
+            })
+          ];
+        }
+      })];
+      function doUpgrade(graph) {
+        var currEntity = graph.hasEntity(entity.id);
+        if (!currEntity)
+          return graph;
+        var newTags = Object.assign({}, currEntity.tags);
+        tagDiff.forEach(function(diff) {
+          if (diff.type === "-") {
+            delete newTags[diff.key];
+          } else if (diff.type === "+") {
+            newTags[diff.key] = diff.newVal;
+          }
+        });
+        return actionChangeTags(currEntity.id, newTags)(graph);
+      }
+      function showMessage(context) {
+        var currEntity = context.hasEntity(this.entityIds[0]);
+        if (!currEntity)
+          return "";
+        return _t.append(
+          "issues.private_data.contact.message",
+          { feature: utilDisplayLabel(currEntity, context.graph()) }
+        );
+      }
+      function showReference(selection2) {
+        var enter = selection2.selectAll(".issue-reference").data([0]).enter();
+        enter.append("div").attr("class", "issue-reference").call(_t.append("issues.private_data.reference"));
+        enter.append("strong").call(_t.append("issues.suggested"));
+        enter.append("table").attr("class", "tagDiff-table").selectAll(".tagDiff-row").data(tagDiff).enter().append("tr").attr("class", "tagDiff-row").append("td").attr("class", function(d) {
+          var klass = d.type === "+" ? "add" : "remove";
+          return "tagDiff-cell tagDiff-cell-" + klass;
+        }).html(function(d) {
+          return d.display;
+        });
+      }
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/suspicious_name.js
+  function validationSuspiciousName() {
+    const type2 = "suspicious_name";
+    const keysToTestForGenericValues = [
+      "aerialway",
+      "aeroway",
+      "amenity",
+      "building",
+      "craft",
+      "highway",
+      "leisure",
+      "railway",
+      "man_made",
+      "office",
+      "shop",
+      "tourism",
+      "waterway"
+    ];
+    let _waitingForNsi = false;
+    function isGenericMatchInNsi(tags) {
+      const nsi = services.nsi;
+      if (nsi) {
+        _waitingForNsi = nsi.status() === "loading";
+        if (!_waitingForNsi) {
+          return nsi.isGenericName(tags);
+        }
+      }
+      return false;
+    }
+    function nameMatchesRawTag(lowercaseName, tags) {
+      for (let i2 = 0; i2 < keysToTestForGenericValues.length; i2++) {
+        let key = keysToTestForGenericValues[i2];
+        let val = tags[key];
+        if (val) {
+          val = val.toLowerCase();
+          if (key === lowercaseName || val === lowercaseName || key.replace(/\_/g, " ") === lowercaseName || val.replace(/\_/g, " ") === lowercaseName) {
+            return true;
+          }
+        }
+      }
+      return false;
+    }
+    function isGenericName(name, tags) {
+      name = name.toLowerCase();
+      return nameMatchesRawTag(name, tags) || isGenericMatchInNsi(tags);
+    }
+    function makeGenericNameIssue(entityId, nameKey, genericName, langCode) {
+      return new validationIssue({
+        type: type2,
+        subtype: "generic_name",
+        severity: "warning",
+        message: function(context) {
+          let entity = context.hasEntity(this.entityIds[0]);
+          if (!entity)
+            return "";
+          let preset = _mainPresetIndex.match(entity, context.graph());
+          let langName = langCode && _mainLocalizer.languageName(langCode);
+          return _t.append(
+            "issues.generic_name.message" + (langName ? "_language" : ""),
+            { feature: preset.name(), name: genericName, language: langName }
+          );
+        },
+        reference: showReference,
+        entityIds: [entityId],
+        hash: `${nameKey}=${genericName}`,
+        dynamicFixes: function() {
+          return [
+            new validationIssueFix({
+              icon: "iD-operation-delete",
+              title: _t.append("issues.fix.remove_the_name.title"),
+              onClick: function(context) {
+                let entityId2 = this.issue.entityIds[0];
+                let entity = context.entity(entityId2);
+                let tags = Object.assign({}, entity.tags);
+                delete tags[nameKey];
+                context.perform(
+                  actionChangeTags(entityId2, tags),
+                  _t("issues.fix.remove_generic_name.annotation")
+                );
+              }
+            })
+          ];
+        }
+      });
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.generic_name.reference"));
+      }
+    }
+    function makeIncorrectNameIssue(entityId, nameKey, incorrectName, langCode) {
+      return new validationIssue({
+        type: type2,
+        subtype: "not_name",
+        severity: "warning",
+        message: function(context) {
+          const entity = context.hasEntity(this.entityIds[0]);
+          if (!entity)
+            return "";
+          const preset = _mainPresetIndex.match(entity, context.graph());
+          const langName = langCode && _mainLocalizer.languageName(langCode);
+          return _t.append(
+            "issues.incorrect_name.message" + (langName ? "_language" : ""),
+            { feature: preset.name(), name: incorrectName, language: langName }
+          );
+        },
+        reference: showReference,
+        entityIds: [entityId],
+        hash: `${nameKey}=${incorrectName}`,
+        dynamicFixes: function() {
+          return [
+            new validationIssueFix({
+              icon: "iD-operation-delete",
+              title: _t.append("issues.fix.remove_the_name.title"),
+              onClick: function(context) {
+                const entityId2 = this.issue.entityIds[0];
+                const entity = context.entity(entityId2);
+                let tags = Object.assign({}, entity.tags);
+                delete tags[nameKey];
+                context.perform(
+                  actionChangeTags(entityId2, tags),
+                  _t("issues.fix.remove_mistaken_name.annotation")
+                );
+              }
+            })
+          ];
+        }
+      });
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.generic_name.reference"));
+      }
+    }
+    let validation = function checkGenericName(entity) {
+      const tags = entity.tags;
+      const hasWikidata = !!tags.wikidata || !!tags["brand:wikidata"] || !!tags["operator:wikidata"];
+      if (hasWikidata)
+        return [];
+      let issues = [];
+      const notNames2 = (tags["not:name"] || "").split(";");
+      for (let key in tags) {
+        const m = key.match(/^name(?:(?::)([a-zA-Z_-]+))?$/);
+        if (!m)
+          continue;
+        const langCode = m.length >= 2 ? m[1] : null;
+        const value = tags[key];
+        if (notNames2.length) {
+          for (let i2 in notNames2) {
+            const notName = notNames2[i2];
+            if (notName && value === notName) {
+              issues.push(makeIncorrectNameIssue(entity.id, key, value, langCode));
+              continue;
+            }
+          }
+        }
+        if (isGenericName(value, tags)) {
+          issues.provisional = _waitingForNsi;
+          issues.push(makeGenericNameIssue(entity.id, key, value, langCode));
+        }
+      }
+      return issues;
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/validations/unsquare_way.js
+  function validationUnsquareWay(context) {
+    var type2 = "unsquare_way";
+    var DEFAULT_DEG_THRESHOLD = 5;
+    var epsilon3 = 0.05;
+    var nodeThreshold = 10;
+    function isBuilding(entity, graph) {
+      if (entity.type !== "way" || entity.geometry(graph) !== "area")
+        return false;
+      return entity.tags.building && entity.tags.building !== "no";
+    }
+    var validation = function checkUnsquareWay(entity, graph) {
+      if (!isBuilding(entity, graph))
+        return [];
+      if (entity.tags.nonsquare === "yes")
+        return [];
+      var isClosed = entity.isClosed();
+      if (!isClosed)
+        return [];
+      var nodes = graph.childNodes(entity).slice();
+      if (nodes.length > nodeThreshold + 1)
+        return [];
+      var osm = services.osm;
+      if (!osm || nodes.some(function(node) {
+        return !osm.isDataLoaded(node.loc);
+      }))
+        return [];
+      var hasConnectedSquarableWays = nodes.some(function(node) {
+        return graph.parentWays(node).some(function(way) {
+          if (way.id === entity.id)
+            return false;
+          if (isBuilding(way, graph))
+            return true;
+          return graph.parentRelations(way).some(function(parentRelation) {
+            return parentRelation.isMultipolygon() && parentRelation.tags.building && parentRelation.tags.building !== "no";
+          });
+        });
+      });
+      if (hasConnectedSquarableWays)
+        return [];
+      var storedDegreeThreshold = corePreferences("validate-square-degrees");
+      var degreeThreshold = isFinite(storedDegreeThreshold) ? Number(storedDegreeThreshold) : DEFAULT_DEG_THRESHOLD;
+      var points = nodes.map(function(node) {
+        return context.projection(node.loc);
+      });
+      if (!geoOrthoCanOrthogonalize(points, isClosed, epsilon3, degreeThreshold, true))
+        return [];
+      var autoArgs;
+      if (!entity.tags.wikidata) {
+        var autoAction = actionOrthogonalize(entity.id, context.projection, void 0, degreeThreshold);
+        autoAction.transitionable = false;
+        autoArgs = [autoAction, _t("operations.orthogonalize.annotation.feature", { n: 1 })];
+      }
+      return [new validationIssue({
+        type: type2,
+        subtype: "building",
+        severity: "warning",
+        message: function(context2) {
+          var entity2 = context2.hasEntity(this.entityIds[0]);
+          return entity2 ? _t.append("issues.unsquare_way.message", {
+            feature: utilDisplayLabel(entity2, context2.graph())
+          }) : "";
+        },
+        reference: showReference,
+        entityIds: [entity.id],
+        hash: degreeThreshold,
+        dynamicFixes: function() {
+          return [
+            new validationIssueFix({
+              icon: "iD-operation-orthogonalize",
+              title: _t.append("issues.fix.square_feature.title"),
+              autoArgs,
+              onClick: function(context2, completionHandler) {
+                var entityId = this.issue.entityIds[0];
+                context2.perform(
+                  actionOrthogonalize(entityId, context2.projection, void 0, degreeThreshold),
+                  _t("operations.orthogonalize.annotation.feature", { n: 1 })
+                );
+                window.setTimeout(function() {
+                  completionHandler();
+                }, 175);
+              }
+            })
+            /*
+            new validationIssueFix({
+                title: t.append('issues.fix.tag_as_unsquare.title'),
+                onClick: function(context) {
+                    var entityId = this.issue.entityIds[0];
+                    var entity = context.entity(entityId);
+                    var tags = Object.assign({}, entity.tags);  // shallow copy
+                    tags.nonsquare = 'yes';
+                    context.perform(
+                        actionChangeTags(entityId, tags),
+                        t('issues.fix.tag_as_unsquare.annotation')
+                    );
+                }
+            })
+            */
+          ];
+        }
+      })];
+      function showReference(selection2) {
+        selection2.selectAll(".issue-reference").data([0]).enter().append("div").attr("class", "issue-reference").call(_t.append("issues.unsquare_way.buildings.reference"));
+      }
+    };
+    validation.type = type2;
+    return validation;
+  }
+
+  // modules/core/validator.js
+  function coreValidator(context) {
+    let dispatch10 = dispatch_default("validated", "focusedIssue");
+    let validator = utilRebind({}, dispatch10, "on");
+    let _rules = {};
+    let _disabledRules = {};
+    let _ignoredIssueIDs = /* @__PURE__ */ new Set();
+    let _resolvedIssueIDs = /* @__PURE__ */ new Set();
+    let _baseCache = validationCache("base");
+    let _headCache = validationCache("head");
+    let _completeDiff = {};
+    let _headIsCurrent = false;
+    let _deferredRIC = {};
+    let _deferredST = /* @__PURE__ */ new Set();
+    let _headPromise;
+    const RETRY = 5e3;
+    const _errorOverrides = parseHashParam(context.initialHashParams.validationError);
+    const _warningOverrides = parseHashParam(context.initialHashParams.validationWarning);
+    const _disableOverrides = parseHashParam(context.initialHashParams.validationDisable);
+    function parseHashParam(param) {
+      let result = [];
+      let rules = (param || "").split(",");
+      rules.forEach((rule) => {
+        rule = rule.trim();
+        const parts = rule.split("/", 2);
+        const type2 = parts[0];
+        const subtype = parts[1] || "*";
+        if (!type2 || !subtype)
+          return;
+        result.push({ type: makeRegExp(type2), subtype: makeRegExp(subtype) });
+      });
+      return result;
+      function makeRegExp(str2) {
+        const escaped = str2.replace(/[-\/\\^$+?.()|[\]{}]/g, "\\$&").replace(/\*/g, ".*");
+        return new RegExp("^" + escaped + "$");
+      }
+    }
+    validator.init = () => {
+      Object.values(validations_exports).forEach((validation) => {
+        if (typeof validation !== "function")
+          return;
+        const fn = validation(context);
+        const key = fn.type;
+        _rules[key] = fn;
+      });
+      let disabledRules = corePreferences("validate-disabledRules");
+      if (disabledRules) {
+        disabledRules.split(",").forEach((k) => _disabledRules[k] = true);
+      }
+    };
+    function reset(resetIgnored) {
+      _baseCache.queue = [];
+      _headCache.queue = [];
+      Object.keys(_deferredRIC).forEach((key) => {
+        window.cancelIdleCallback(key);
+        _deferredRIC[key]();
+      });
+      _deferredRIC = {};
+      _deferredST.forEach(window.clearTimeout);
+      _deferredST.clear();
+      if (resetIgnored)
+        _ignoredIssueIDs.clear();
+      _resolvedIssueIDs.clear();
+      _baseCache = validationCache("base");
+      _headCache = validationCache("head");
+      _completeDiff = {};
+      _headIsCurrent = false;
+    }
+    validator.reset = () => {
+      reset(true);
+    };
+    validator.resetIgnoredIssues = () => {
+      _ignoredIssueIDs.clear();
+      dispatch10.call("validated");
+    };
+    validator.revalidateUnsquare = () => {
+      revalidateUnsquare(_headCache);
+      revalidateUnsquare(_baseCache);
+      dispatch10.call("validated");
+    };
+    function revalidateUnsquare(cache) {
+      const checkUnsquareWay = _rules.unsquare_way;
+      if (!cache.graph || typeof checkUnsquareWay !== "function")
+        return;
+      cache.uncacheIssuesOfType("unsquare_way");
+      const buildings = context.history().tree().intersects(geoExtent([-180, -90], [180, 90]), cache.graph).filter((entity) => entity.type === "way" && entity.tags.building && entity.tags.building !== "no");
+      buildings.forEach((entity) => {
+        const detected = checkUnsquareWay(entity, cache.graph);
+        if (!detected.length)
+          return;
+        cache.cacheIssues(detected);
+      });
+    }
+    validator.getIssues = (options2) => {
+      const opts = Object.assign({ what: "all", where: "all", includeIgnored: false, includeDisabledRules: false }, options2);
+      const view = context.map().extent();
+      let seen = /* @__PURE__ */ new Set();
+      let results = [];
+      if (_headCache.graph && _headCache.graph !== _baseCache.graph) {
+        Object.values(_headCache.issuesByIssueID).forEach((issue) => {
+          const userModified = (issue.entityIds || []).some((id2) => _completeDiff.hasOwnProperty(id2));
+          if (opts.what === "edited" && !userModified)
+            return;
+          if (!filter2(issue))
+            return;
+          seen.add(issue.id);
+          results.push(issue);
+        });
+      }
+      if (opts.what === "all") {
+        Object.values(_baseCache.issuesByIssueID).forEach((issue) => {
+          if (!filter2(issue))
+            return;
+          seen.add(issue.id);
+          results.push(issue);
+        });
+      }
+      return results;
+      function filter2(issue) {
+        if (!issue)
+          return false;
+        if (seen.has(issue.id))
+          return false;
+        if (_resolvedIssueIDs.has(issue.id))
+          return false;
+        if (opts.includeDisabledRules === "only" && !_disabledRules[issue.type])
+          return false;
+        if (!opts.includeDisabledRules && _disabledRules[issue.type])
+          return false;
+        if (opts.includeIgnored === "only" && !_ignoredIssueIDs.has(issue.id))
+          return false;
+        if (!opts.includeIgnored && _ignoredIssueIDs.has(issue.id))
+          return false;
+        if ((issue.entityIds || []).some((id2) => !context.hasEntity(id2)))
+          return false;
+        if (opts.where === "visible") {
+          const extent = issue.extent(context.graph());
+          if (!view.intersects(extent))
+            return false;
+        }
+        return true;
+      }
+    };
+    validator.getResolvedIssues = () => {
+      return Array.from(_resolvedIssueIDs).map((issueID) => _baseCache.issuesByIssueID[issueID]).filter(Boolean);
+    };
+    validator.focusIssue = (issue) => {
+      const graph = context.graph();
+      let selectID;
+      let focusCenter;
+      const issueExtent = issue.extent(graph);
+      if (issueExtent) {
+        focusCenter = issueExtent.center();
+      }
+      if (issue.entityIds && issue.entityIds.length) {
+        selectID = issue.entityIds[0];
+        if (selectID && selectID.charAt(0) === "r") {
+          const ids = utilEntityAndDeepMemberIDs([selectID], graph);
+          let nodeID = ids.find((id2) => id2.charAt(0) === "n" && graph.hasEntity(id2));
+          if (!nodeID) {
+            const wayID = ids.find((id2) => id2.charAt(0) === "w" && graph.hasEntity(id2));
+            if (wayID) {
+              nodeID = graph.entity(wayID).first();
+            }
+          }
+          if (nodeID) {
+            focusCenter = graph.entity(nodeID).loc;
+          }
+        }
+      }
+      if (focusCenter) {
+        const setZoom = Math.max(context.map().zoom(), 19);
+        context.map().unobscuredCenterZoomEase(focusCenter, setZoom);
+      }
+      if (selectID) {
+        window.setTimeout(() => {
+          context.enter(modeSelect(context, [selectID]));
+          dispatch10.call("focusedIssue", this, issue);
+        }, 250);
+      }
+    };
+    validator.getIssuesBySeverity = (options2) => {
+      let groups = utilArrayGroupBy(validator.getIssues(options2), "severity");
+      groups.error = groups.error || [];
+      groups.warning = groups.warning || [];
+      return groups;
+    };
+    validator.getSharedEntityIssues = (entityIDs, options2) => {
+      const orderedIssueTypes = [
+        // Show some issue types in a particular order:
+        "missing_tag",
+        "missing_role",
+        // - missing data first
+        "outdated_tags",
+        "mismatched_geometry",
+        // - identity issues
+        "crossing_ways",
+        "almost_junction",
+        // - geometry issues where fixing them might solve connectivity issues
+        "disconnected_way",
+        "impossible_oneway"
+        // - finally connectivity issues
+      ];
+      const allIssues = validator.getIssues(options2);
+      const forEntityIDs = new Set(entityIDs);
+      return allIssues.filter((issue) => (issue.entityIds || []).some((entityID) => forEntityIDs.has(entityID))).sort((issue1, issue2) => {
+        if (issue1.type === issue2.type) {
+          return issue1.id < issue2.id ? -1 : 1;
+        }
+        const index1 = orderedIssueTypes.indexOf(issue1.type);
+        const index2 = orderedIssueTypes.indexOf(issue2.type);
+        if (index1 !== -1 && index2 !== -1) {
+          return index1 - index2;
+        } else if (index1 === -1 && index2 === -1) {
+          return issue1.type < issue2.type ? -1 : 1;
+        } else {
+          return index1 !== -1 ? -1 : 1;
+        }
+      });
+    };
+    validator.getEntityIssues = (entityID, options2) => {
+      return validator.getSharedEntityIssues([entityID], options2);
+    };
+    validator.getRuleKeys = () => {
+      return Object.keys(_rules);
+    };
+    validator.isRuleEnabled = (key) => {
+      return !_disabledRules[key];
+    };
+    validator.toggleRule = (key) => {
+      if (_disabledRules[key]) {
+        delete _disabledRules[key];
+      } else {
+        _disabledRules[key] = true;
+      }
+      corePreferences("validate-disabledRules", Object.keys(_disabledRules).join(","));
+      validator.validate();
+    };
+    validator.disableRules = (keys2) => {
+      _disabledRules = {};
+      keys2.forEach((k) => _disabledRules[k] = true);
+      corePreferences("validate-disabledRules", Object.keys(_disabledRules).join(","));
+      validator.validate();
+    };
+    validator.ignoreIssue = (issueID) => {
+      _ignoredIssueIDs.add(issueID);
+    };
+    validator.validate = () => {
+      const baseGraph = context.history().base();
+      if (!_headCache.graph)
+        _headCache.graph = baseGraph;
+      if (!_baseCache.graph)
+        _baseCache.graph = baseGraph;
+      const prevGraph = _headCache.graph;
+      const currGraph = context.graph();
+      if (currGraph === prevGraph) {
+        _headIsCurrent = true;
+        dispatch10.call("validated");
+        return Promise.resolve();
+      }
+      if (_headPromise) {
+        _headIsCurrent = false;
+        return _headPromise;
+      }
+      _headCache.graph = currGraph;
+      _completeDiff = context.history().difference().complete();
+      const incrementalDiff = coreDifference(prevGraph, currGraph);
+      let entityIDs = Object.keys(incrementalDiff.complete());
+      entityIDs = _headCache.withAllRelatedEntities(entityIDs);
+      if (!entityIDs.size) {
+        dispatch10.call("validated");
+        return Promise.resolve();
+      }
+      _headPromise = validateEntitiesAsync(entityIDs, _headCache).then(() => updateResolvedIssues(entityIDs)).then(() => dispatch10.call("validated")).catch(() => {
+      }).then(() => {
+        _headPromise = null;
+        if (!_headIsCurrent) {
+          validator.validate();
+        }
+      });
+      return _headPromise;
+    };
+    context.history().on("restore.validator", validator.validate).on("undone.validator", validator.validate).on("redone.validator", validator.validate).on("reset.validator", () => {
+      reset(false);
+      validator.validate();
+    });
+    context.on("exit.validator", validator.validate);
+    context.history().on("merge.validator", (entities) => {
+      if (!entities)
+        return;
+      const baseGraph = context.history().base();
+      if (!_headCache.graph)
+        _headCache.graph = baseGraph;
+      if (!_baseCache.graph)
+        _baseCache.graph = baseGraph;
+      let entityIDs = entities.map((entity) => entity.id);
+      entityIDs = _baseCache.withAllRelatedEntities(entityIDs);
+      validateEntitiesAsync(entityIDs, _baseCache);
+    });
+    function validateEntity(entity, graph) {
+      let result = { issues: [], provisional: false };
+      Object.keys(_rules).forEach(runValidation);
+      return result;
+      function runValidation(key) {
+        const fn = _rules[key];
+        if (typeof fn !== "function") {
+          console.error("no such validation rule = " + key);
+          return;
+        }
+        let detected = fn(entity, graph);
+        if (detected.provisional) {
+          result.provisional = true;
+        }
+        detected = detected.filter(applySeverityOverrides);
+        result.issues = result.issues.concat(detected);
+        function applySeverityOverrides(issue) {
+          const type2 = issue.type;
+          const subtype = issue.subtype || "";
+          let i2;
+          for (i2 = 0; i2 < _errorOverrides.length; i2++) {
+            if (_errorOverrides[i2].type.test(type2) && _errorOverrides[i2].subtype.test(subtype)) {
+              issue.severity = "error";
+              return true;
+            }
+          }
+          for (i2 = 0; i2 < _warningOverrides.length; i2++) {
+            if (_warningOverrides[i2].type.test(type2) && _warningOverrides[i2].subtype.test(subtype)) {
+              issue.severity = "warning";
+              return true;
+            }
+          }
+          for (i2 = 0; i2 < _disableOverrides.length; i2++) {
+            if (_disableOverrides[i2].type.test(type2) && _disableOverrides[i2].subtype.test(subtype)) {
+              return false;
+            }
+          }
+          return true;
+        }
+      }
+    }
+    function updateResolvedIssues(entityIDs) {
+      entityIDs.forEach((entityID) => {
+        const baseIssues = _baseCache.issuesByEntityID[entityID];
+        if (!baseIssues)
+          return;
+        baseIssues.forEach((issueID) => {
+          const issue = _baseCache.issuesByIssueID[issueID];
+          const userModified = (issue.entityIds || []).some((id2) => _completeDiff.hasOwnProperty(id2));
+          if (userModified && !_headCache.issuesByIssueID[issueID]) {
+            _resolvedIssueIDs.add(issueID);
+          } else {
+            _resolvedIssueIDs.delete(issueID);
+          }
+        });
+      });
+    }
+    function validateEntitiesAsync(entityIDs, cache) {
+      const jobs = Array.from(entityIDs).map((entityID) => {
+        if (cache.queuedEntityIDs.has(entityID))
+          return null;
+        cache.queuedEntityIDs.add(entityID);
+        cache.uncacheEntityID(entityID);
+        return () => {
+          cache.queuedEntityIDs.delete(entityID);
+          const graph = cache.graph;
+          if (!graph)
+            return;
+          const entity = graph.hasEntity(entityID);
+          if (!entity)
+            return;
+          const result = validateEntity(entity, graph);
+          if (result.provisional) {
+            cache.provisionalEntityIDs.add(entityID);
+          }
+          cache.cacheIssues(result.issues);
+        };
+      }).filter(Boolean);
+      cache.queue = cache.queue.concat(utilArrayChunk(jobs, 100));
+      if (cache.queuePromise)
+        return cache.queuePromise;
+      cache.queuePromise = processQueue(cache).then(() => revalidateProvisionalEntities(cache)).catch(() => {
+      }).finally(() => cache.queuePromise = null);
+      return cache.queuePromise;
+    }
+    function revalidateProvisionalEntities(cache) {
+      if (!cache.provisionalEntityIDs.size)
+        return;
+      const handle = window.setTimeout(() => {
+        _deferredST.delete(handle);
+        if (!cache.provisionalEntityIDs.size)
+          return;
+        validateEntitiesAsync(Array.from(cache.provisionalEntityIDs), cache);
+      }, RETRY);
+      _deferredST.add(handle);
+    }
+    function processQueue(cache) {
+      if (!cache.queue.length)
+        return Promise.resolve();
+      const chunk = cache.queue.pop();
+      return new Promise((resolvePromise, rejectPromise) => {
+        const handle = window.requestIdleCallback(() => {
+          delete _deferredRIC[handle];
+          chunk.forEach((job) => job());
+          resolvePromise();
+        });
+        _deferredRIC[handle] = rejectPromise;
+      }).then(() => {
+        if (cache.queue.length % 25 === 0)
+          dispatch10.call("validated");
+      }).then(() => processQueue(cache));
+    }
+    return validator;
+  }
+  function validationCache(which) {
+    let cache = {
+      which,
+      graph: null,
+      queue: [],
+      queuePromise: null,
+      queuedEntityIDs: /* @__PURE__ */ new Set(),
+      provisionalEntityIDs: /* @__PURE__ */ new Set(),
+      issuesByIssueID: {},
+      // issue.id -> issue
+      issuesByEntityID: {}
+      // entity.id -> Set(issue.id)
+    };
+    cache.cacheIssue = (issue) => {
+      (issue.entityIds || []).forEach((entityID) => {
+        if (!cache.issuesByEntityID[entityID]) {
+          cache.issuesByEntityID[entityID] = /* @__PURE__ */ new Set();
+        }
+        cache.issuesByEntityID[entityID].add(issue.id);
+      });
+      cache.issuesByIssueID[issue.id] = issue;
+    };
+    cache.uncacheIssue = (issue) => {
+      (issue.entityIds || []).forEach((entityID) => {
+        if (cache.issuesByEntityID[entityID]) {
+          cache.issuesByEntityID[entityID].delete(issue.id);
+        }
+      });
+      delete cache.issuesByIssueID[issue.id];
+    };
+    cache.cacheIssues = (issues) => {
+      issues.forEach(cache.cacheIssue);
+    };
+    cache.uncacheIssues = (issues) => {
+      issues.forEach(cache.uncacheIssue);
+    };
+    cache.uncacheIssuesOfType = (type2) => {
+      const issuesOfType = Object.values(cache.issuesByIssueID).filter((issue) => issue.type === type2);
+      cache.uncacheIssues(issuesOfType);
+    };
+    cache.uncacheEntityID = (entityID) => {
+      const entityIssueIDs = cache.issuesByEntityID[entityID];
+      if (entityIssueIDs) {
+        entityIssueIDs.forEach((issueID) => {
+          const issue = cache.issuesByIssueID[issueID];
+          if (issue) {
+            cache.uncacheIssue(issue);
+          } else {
+            delete cache.issuesByIssueID[issueID];
+          }
+        });
+      }
+      delete cache.issuesByEntityID[entityID];
+      cache.provisionalEntityIDs.delete(entityID);
+    };
+    cache.withAllRelatedEntities = (entityIDs) => {
+      let result = /* @__PURE__ */ new Set();
+      (entityIDs || []).forEach((entityID) => {
+        result.add(entityID);
+        const entityIssueIDs = cache.issuesByEntityID[entityID];
+        if (entityIssueIDs) {
+          entityIssueIDs.forEach((issueID) => {
+            const issue = cache.issuesByIssueID[issueID];
+            if (issue) {
+              (issue.entityIds || []).forEach((relatedID) => result.add(relatedID));
+            } else {
+              delete cache.issuesByIssueID[issueID];
+            }
+          });
+        }
+      });
+      return result;
+    };
+    return cache;
+  }
+
+  // modules/core/uploader.js
+  function coreUploader(context) {
+    var dispatch10 = dispatch_default(
+      // Start and end events are dispatched exactly once each per legitimate outside call to `save`
+      "saveStarted",
+      // dispatched as soon as a call to `save` has been deemed legitimate
+      "saveEnded",
+      // dispatched after the result event has been dispatched
+      "willAttemptUpload",
+      // dispatched before the actual upload call occurs, if it will
+      "progressChanged",
+      // Each save results in one of these outcomes:
+      "resultNoChanges",
+      // upload wasn't attempted since there were no edits
+      "resultErrors",
+      // upload failed due to errors
+      "resultConflicts",
+      // upload failed due to data conflicts
+      "resultSuccess"
+      // upload completed without errors
+    );
+    var _isSaving = false;
+    var _conflicts = [];
+    var _errors = [];
+    var _origChanges;
+    var _discardTags = {};
+    _mainFileFetcher.get("discarded").then(function(d) {
+      _discardTags = d;
+    }).catch(function() {
+    });
+    var uploader = utilRebind({}, dispatch10, "on");
+    uploader.isSaving = function() {
+      return _isSaving;
+    };
+    uploader.save = function(changeset, tryAgain, checkConflicts) {
+      if (_isSaving && !tryAgain) {
+        return;
+      }
+      var osm = context.connection();
+      if (!osm)
+        return;
+      if (!osm.authenticated()) {
+        osm.authenticate(function(err) {
+          if (!err) {
+            uploader.save(changeset, tryAgain, checkConflicts);
+          }
+        });
+        return;
+      }
+      if (!_isSaving) {
+        _isSaving = true;
+        dispatch10.call("saveStarted", this);
+      }
+      var history = context.history();
+      _conflicts = [];
+      _errors = [];
+      _origChanges = history.changes(actionDiscardTags(history.difference(), _discardTags));
+      if (!tryAgain) {
+        history.perform(actionNoop());
+      }
+      if (!checkConflicts) {
+        upload(changeset);
+      } else {
+        performFullConflictCheck(changeset);
+      }
+    };
+    function performFullConflictCheck(changeset) {
+      var osm = context.connection();
+      if (!osm)
+        return;
+      var history = context.history();
+      var localGraph = context.graph();
+      var remoteGraph = coreGraph(history.base(), true);
+      var summary = history.difference().summary();
+      var _toCheck = [];
+      for (var i2 = 0; i2 < summary.length; i2++) {
+        var item = summary[i2];
+        if (item.changeType === "modified") {
+          _toCheck.push(item.entity.id);
+        }
+      }
+      var _toLoad = withChildNodes(_toCheck, localGraph);
+      var _loaded = {};
+      var _toLoadCount = 0;
+      var _toLoadTotal = _toLoad.length;
+      if (_toCheck.length) {
+        dispatch10.call("progressChanged", this, _toLoadCount, _toLoadTotal);
+        _toLoad.forEach(function(id2) {
+          _loaded[id2] = false;
+        });
+        osm.loadMultiple(_toLoad, loaded);
+      } else {
+        upload(changeset);
+      }
+      return;
+      function withChildNodes(ids, graph) {
+        var s = new Set(ids);
+        ids.forEach(function(id2) {
+          var entity = graph.entity(id2);
+          if (entity.type !== "way")
+            return;
+          graph.childNodes(entity).forEach(function(child) {
+            if (child.version !== void 0) {
+              s.add(child.id);
+            }
+          });
+        });
+        return Array.from(s);
+      }
+      function loaded(err, result) {
+        if (_errors.length)
+          return;
+        if (err) {
+          _errors.push({
+            msg: err.message || err.responseText,
+            details: [_t("save.status_code", { code: err.status })]
+          });
+          didResultInErrors();
+        } else {
+          var loadMore = [];
+          result.data.forEach(function(entity) {
+            remoteGraph.replace(entity);
+            _loaded[entity.id] = true;
+            _toLoad = _toLoad.filter(function(val) {
+              return val !== entity.id;
+            });
+            if (!entity.visible)
+              return;
+            var i3, id2;
+            if (entity.type === "way") {
+              for (i3 = 0; i3 < entity.nodes.length; i3++) {
+                id2 = entity.nodes[i3];
+                if (_loaded[id2] === void 0) {
+                  _loaded[id2] = false;
+                  loadMore.push(id2);
+                }
+              }
+            } else if (entity.type === "relation" && entity.isMultipolygon()) {
+              for (i3 = 0; i3 < entity.members.length; i3++) {
+                id2 = entity.members[i3].id;
+                if (_loaded[id2] === void 0) {
+                  _loaded[id2] = false;
+                  loadMore.push(id2);
+                }
+              }
+            }
+          });
+          _toLoadCount += result.data.length;
+          _toLoadTotal += loadMore.length;
+          dispatch10.call("progressChanged", this, _toLoadCount, _toLoadTotal);
+          if (loadMore.length) {
+            _toLoad.push.apply(_toLoad, loadMore);
+            osm.loadMultiple(loadMore, loaded);
+          }
+          if (!_toLoad.length) {
+            detectConflicts();
+            upload(changeset);
+          }
+        }
+      }
+      function detectConflicts() {
+        function choice(id2, text2, action) {
+          return {
+            id: id2,
+            text: text2,
+            action: function() {
+              history.replace(action);
+            }
+          };
+        }
+        function formatUser(d) {
+          return '<a href="' + osm.userURL(d) + '" target="_blank">' + escape_default(d) + "</a>";
+        }
+        function entityName(entity) {
+          return utilDisplayName(entity) || utilDisplayType(entity.id) + " " + entity.id;
+        }
+        function sameVersions(local, remote) {
+          if (local.version !== remote.version)
+            return false;
+          if (local.type === "way") {
+            var children2 = utilArrayUnion(local.nodes, remote.nodes);
+            for (var i3 = 0; i3 < children2.length; i3++) {
+              var a = localGraph.hasEntity(children2[i3]);
+              var b = remoteGraph.hasEntity(children2[i3]);
+              if (a && b && a.version !== b.version)
+                return false;
+            }
+          }
+          return true;
+        }
+        _toCheck.forEach(function(id2) {
+          var local = localGraph.entity(id2);
+          var remote = remoteGraph.entity(id2);
+          if (sameVersions(local, remote))
+            return;
+          var merge2 = actionMergeRemoteChanges(id2, localGraph, remoteGraph, _discardTags, formatUser);
+          history.replace(merge2);
+          var mergeConflicts = merge2.conflicts();
+          if (!mergeConflicts.length)
+            return;
+          var forceLocal = actionMergeRemoteChanges(id2, localGraph, remoteGraph, _discardTags).withOption("force_local");
+          var forceRemote = actionMergeRemoteChanges(id2, localGraph, remoteGraph, _discardTags).withOption("force_remote");
+          var keepMine = _t("save.conflict." + (remote.visible ? "keep_local" : "restore"));
+          var keepTheirs = _t("save.conflict." + (remote.visible ? "keep_remote" : "delete"));
+          _conflicts.push({
+            id: id2,
+            name: entityName(local),
+            details: mergeConflicts,
+            chosen: 1,
+            choices: [
+              choice(id2, keepMine, forceLocal),
+              choice(id2, keepTheirs, forceRemote)
+            ]
+          });
+        });
+      }
+    }
+    function upload(changeset) {
+      var osm = context.connection();
+      if (!osm) {
+        _errors.push({ msg: "No OSM Service" });
+      }
+      if (_conflicts.length) {
+        didResultInConflicts(changeset);
+      } else if (_errors.length) {
+        didResultInErrors();
+      } else {
+        var history = context.history();
+        var changes = history.changes(actionDiscardTags(history.difference(), _discardTags));
+        if (changes.modified.length || changes.created.length || changes.deleted.length) {
+          dispatch10.call("willAttemptUpload", this);
+          osm.putChangeset(changeset, changes, uploadCallback);
+        } else {
+          didResultInNoChanges();
+        }
+      }
+    }
+    function uploadCallback(err, changeset) {
+      if (err) {
+        if (err.status === 409) {
+          uploader.save(changeset, true, true);
+        } else {
+          _errors.push({
+            msg: err.message || err.responseText,
+            details: [_t("save.status_code", { code: err.status })]
+          });
+          didResultInErrors();
+        }
+      } else {
+        didResultInSuccess(changeset);
+      }
+    }
+    function didResultInNoChanges() {
+      dispatch10.call("resultNoChanges", this);
+      endSave();
+      context.flush();
+    }
+    function didResultInErrors() {
+      context.history().pop();
+      dispatch10.call("resultErrors", this, _errors);
+      endSave();
+    }
+    function didResultInConflicts(changeset) {
+      _conflicts.sort(function(a, b) {
+        return b.id.localeCompare(a.id);
+      });
+      dispatch10.call("resultConflicts", this, changeset, _conflicts, _origChanges);
+      endSave();
+    }
+    function didResultInSuccess(changeset) {
+      context.history().clearSaved();
+      dispatch10.call("resultSuccess", this, changeset);
+      window.setTimeout(function() {
+        endSave();
+        context.flush();
+      }, 2500);
+    }
+    function endSave() {
+      _isSaving = false;
+      dispatch10.call("saveEnded", this);
+    }
+    uploader.cancelConflictResolution = function() {
+      context.history().pop();
+    };
+    uploader.processResolvedConflicts = function(changeset) {
+      var history = context.history();
+      for (var i2 = 0; i2 < _conflicts.length; i2++) {
+        if (_conflicts[i2].chosen === 1) {
+          var entity = context.hasEntity(_conflicts[i2].id);
+          if (entity && entity.type === "way") {
+            var children2 = utilArrayUniq(entity.nodes);
+            for (var j2 = 0; j2 < children2.length; j2++) {
+              history.replace(actionRevert(children2[j2]));
+            }
+          }
+          history.replace(actionRevert(_conflicts[i2].id));
+        }
+      }
+      uploader.save(changeset, true, false);
+    };
+    uploader.reset = function() {
+    };
+    return uploader;
+  }
+
+  // modules/renderer/background_source.js
+  var import_lodash4 = __toESM(require_lodash());
+
+  // modules/util/IntervalTasksQueue.js
+  var IntervalTasksQueue = class {
+    /**
+     * Interval in milliseconds inside which only 1 task can execute.
+     * e.g. if interval is 200ms, and 5 async tasks are unqueued,
+     * they will complete in ~1s if not cleared
+     * @param {number} intervalInMs
+     */
+    constructor(intervalInMs) {
+      this.intervalInMs = intervalInMs;
+      this.pendingHandles = [];
+      this.time = 0;
+    }
+    enqueue(task) {
+      let taskTimeout = this.time;
+      this.time += this.intervalInMs;
+      this.pendingHandles.push(setTimeout(() => {
+        this.time -= this.intervalInMs;
+        task();
+      }, taskTimeout));
+    }
+    clear() {
+      this.pendingHandles.forEach((timeoutHandle) => {
+        clearTimeout(timeoutHandle);
+      });
+      this.pendingHandles = [];
+      this.time = 0;
+    }
+  };
+
+  // modules/renderer/background_source.js
+  var isRetina = window.devicePixelRatio && window.devicePixelRatio >= 2;
+  window.matchMedia(`
+        (-webkit-min-device-pixel-ratio: 2), /* Safari */
+        (min-resolution: 2dppx),             /* standard */
+        (min-resolution: 192dpi)             /* fallback */
+    `).addListener(function() {
+    isRetina = window.devicePixelRatio && window.devicePixelRatio >= 2;
+  });
+  function localeDateString(s) {
+    if (!s)
+      return null;
+    var options2 = { day: "numeric", month: "short", year: "numeric" };
+    var d = new Date(s);
+    if (isNaN(d.getTime()))
+      return null;
+    return d.toLocaleDateString(_mainLocalizer.localeCode(), options2);
+  }
+  function vintageRange(vintage) {
+    var s;
+    if (vintage.start || vintage.end) {
+      s = vintage.start || "?";
+      if (vintage.start !== vintage.end) {
+        s += " - " + (vintage.end || "?");
+      }
+    }
+    return s;
+  }
+  function rendererBackgroundSource(data) {
+    var source = Object.assign({}, data);
+    var _offset = [0, 0];
+    var _name = source.name;
+    var _description = source.description;
+    var _best = !!source.best;
+    var _template = source.encrypted ? utilAesDecrypt(source.template) : source.template;
+    source.tileSize = data.tileSize || 256;
+    source.zoomExtent = data.zoomExtent || [0, 22];
+    source.overzoom = data.overzoom !== false;
+    source.offset = function(val) {
+      if (!arguments.length)
+        return _offset;
+      _offset = val;
+      return source;
+    };
+    source.nudge = function(val, zoomlevel) {
+      _offset[0] += val[0] / Math.pow(2, zoomlevel);
+      _offset[1] += val[1] / Math.pow(2, zoomlevel);
+      return source;
+    };
+    source.name = function() {
+      var id_safe = source.id.replace(/\./g, "<TX_DOT>");
+      return _t("imagery." + id_safe + ".name", { default: (0, import_lodash4.escape)(_name) });
+    };
+    source.label = function() {
+      var id_safe = source.id.replace(/\./g, "<TX_DOT>");
+      return _t.append("imagery." + id_safe + ".name", { default: (0, import_lodash4.escape)(_name) });
+    };
+    source.hasDescription = function() {
+      var id_safe = source.id.replace(/\./g, "<TX_DOT>");
+      var descriptionText = _mainLocalizer.tInfo("imagery." + id_safe + ".description", { default: (0, import_lodash4.escape)(_description) }).text;
+      return descriptionText !== "";
+    };
+    source.description = function() {
+      var id_safe = source.id.replace(/\./g, "<TX_DOT>");
+      return _t.append("imagery." + id_safe + ".description", { default: (0, import_lodash4.escape)(_description) });
+    };
+    source.best = function() {
+      return _best;
+    };
+    source.area = function() {
+      if (!data.polygon)
+        return Number.MAX_VALUE;
+      var area = area_default({ type: "MultiPolygon", coordinates: [data.polygon] });
+      return isNaN(area) ? 0 : area;
+    };
+    source.imageryUsed = function() {
+      return _name || source.id;
+    };
+    source.template = function(val) {
+      if (!arguments.length)
+        return _template;
+      if (source.id === "custom" || source.id === "Bing") {
+        _template = val;
+      }
+      return source;
+    };
+    source.url = function(coord2) {
+      var result = _template.replace(/#[\s\S]*/u, "");
+      if (result === "")
+        return result;
+      if (!source.type || source.id === "custom") {
+        if (/SERVICE=WMS|\{(proj|wkid|bbox)\}/.test(result)) {
+          source.type = "wms";
+          source.projection = "EPSG:3857";
+        } else if (/\{(x|y)\}/.test(result)) {
+          source.type = "tms";
+        } else if (/\{u\}/.test(result)) {
+          source.type = "bing";
+        }
+      }
+      if (source.type === "wms") {
+        var tileToProjectedCoords = function(x, y, z) {
+          var zoomSize = Math.pow(2, z);
+          var lon = x / zoomSize * Math.PI * 2 - Math.PI;
+          var lat = Math.atan(Math.sinh(Math.PI * (1 - 2 * y / zoomSize)));
+          switch (source.projection) {
+            case "EPSG:4326":
+              return {
+                x: lon * 180 / Math.PI,
+                y: lat * 180 / Math.PI
+              };
+            default:
+              var mercCoords = mercatorRaw(lon, lat);
+              return {
+                x: 2003750834e-2 / Math.PI * mercCoords[0],
+                y: 2003750834e-2 / Math.PI * mercCoords[1]
+              };
+          }
+        };
+        var tileSize = source.tileSize;
+        var projection2 = source.projection;
+        var minXmaxY = tileToProjectedCoords(coord2[0], coord2[1], coord2[2]);
+        var maxXminY = tileToProjectedCoords(coord2[0] + 1, coord2[1] + 1, coord2[2]);
+        result = result.replace(/\{(\w+)\}/g, function(token, key) {
+          switch (key) {
+            case "width":
+            case "height":
+              return tileSize;
+            case "proj":
+              return projection2;
+            case "wkid":
+              return projection2.replace(/^EPSG:/, "");
+            case "bbox":
+              if (projection2 === "EPSG:4326" && // The CRS parameter implies version 1.3 (prior versions use SRS)
+              /VERSION=1.3|CRS={proj}/.test(source.template().toUpperCase())) {
+                return maxXminY.y + "," + minXmaxY.x + "," + minXmaxY.y + "," + maxXminY.x;
+              } else {
+                return minXmaxY.x + "," + maxXminY.y + "," + maxXminY.x + "," + minXmaxY.y;
+              }
+            case "w":
+              return minXmaxY.x;
+            case "s":
+              return maxXminY.y;
+            case "n":
+              return maxXminY.x;
+            case "e":
+              return minXmaxY.y;
+            default:
+              return token;
+          }
+        });
+      } else if (source.type === "tms") {
+        result = result.replace("{x}", coord2[0]).replace("{y}", coord2[1]).replace(/\{[t-]y\}/, Math.pow(2, coord2[2]) - coord2[1] - 1).replace(/\{z(oom)?\}/, coord2[2]).replace(/\{@2x\}|\{r\}/, isRetina ? "@2x" : "");
+      } else if (source.type === "bing") {
+        result = result.replace("{u}", function() {
+          var u = "";
+          for (var zoom = coord2[2]; zoom > 0; zoom--) {
+            var b = 0;
+            var mask = 1 << zoom - 1;
+            if ((coord2[0] & mask) !== 0)
+              b++;
+            if ((coord2[1] & mask) !== 0)
+              b += 2;
+            u += b.toString();
+          }
+          return u;
+        });
+      }
+      result = result.replace(/\{switch:([^}]+)\}/, function(s, r) {
+        var subdomains = r.split(",");
+        return subdomains[(coord2[0] + coord2[1]) % subdomains.length];
+      });
+      return result;
+    };
+    source.validZoom = function(z) {
+      return source.zoomExtent[0] <= z && (source.overzoom || source.zoomExtent[1] > z);
+    };
+    source.isLocatorOverlay = function() {
+      return source.id === "mapbox_locator_overlay";
+    };
+    source.isHidden = function() {
+      return source.id === "DigitalGlobe-Premium-vintage" || source.id === "DigitalGlobe-Standard-vintage";
+    };
+    source.copyrightNotices = function() {
+    };
+    source.getMetadata = function(center, tileCoord, callback) {
+      var vintage = {
+        start: localeDateString(source.startDate),
+        end: localeDateString(source.endDate)
+      };
+      vintage.range = vintageRange(vintage);
+      var metadata = { vintage };
+      callback(null, metadata);
+    };
+    return source;
+  }
+  rendererBackgroundSource.Bing = function(data, dispatch10) {
+    data.template = "https://ecn.t{switch:0,1,2,3}.tiles.virtualearth.net/tiles/a{u}.jpeg?g=1&pr=odbl&n=z";
+    var bing = rendererBackgroundSource(data);
+    var key = utilAesDecrypt("5c875730b09c6b422433e807e1ff060b6536c791dbfffcffc4c6b18a1bdba1f14593d151adb50e19e1be1ab19aef813bf135d0f103475e5c724dec94389e45d0");
+    const strictParam = "n";
+    var url = "https://dev.virtualearth.net/REST/v1/Imagery/Metadata/AerialOSM?include=ImageryProviders&uriScheme=https&key=" + key;
+    var cache = {};
+    var inflight = {};
+    var providers = [];
+    var taskQueue = new IntervalTasksQueue(250);
+    var metadataLastZoom = -1;
+    json_default(url).then(function(json) {
+      let imageryResource = json.resourceSets[0].resources[0];
+      let template = imageryResource.imageUrl;
+      let subDomains = imageryResource.imageUrlSubdomains;
+      let subDomainNumbers = subDomains.map((subDomain) => {
+        return subDomain.substring(1);
+      }).join(",");
+      template = template.replace("{subdomain}", `t{switch:${subDomainNumbers}}`).replace("{quadkey}", "{u}");
+      if (!new URLSearchParams(template).has(strictParam)) {
+        template += `&${strictParam}=z`;
+      }
+      bing.template(template);
+      providers = imageryResource.imageryProviders.map(function(provider) {
+        return {
+          attribution: provider.attribution,
+          areas: provider.coverageAreas.map(function(area) {
+            return {
+              zoom: [area.zoomMin, area.zoomMax],
+              extent: geoExtent([area.bbox[1], area.bbox[0]], [area.bbox[3], area.bbox[2]])
+            };
+          })
+        };
+      });
+      dispatch10.call("change");
+    }).catch(function() {
+    });
+    bing.copyrightNotices = function(zoom, extent) {
+      zoom = Math.min(zoom, 21);
+      return providers.filter(function(provider) {
+        return provider.areas.some(function(area) {
+          return extent.intersects(area.extent) && area.zoom[0] <= zoom && area.zoom[1] >= zoom;
+        });
+      }).map(function(provider) {
+        return provider.attribution;
+      }).join(", ");
+    };
+    bing.getMetadata = function(center, tileCoord, callback) {
+      var tileID = tileCoord.slice(0, 3).join("/");
+      var zoom = Math.min(tileCoord[2], 21);
+      var centerPoint = center[1] + "," + center[0];
+      var url2 = "https://dev.virtualearth.net/REST/v1/Imagery/BasicMetadata/AerialOSM/" + centerPoint + "?zl=" + zoom + "&key=" + key;
+      if (inflight[tileID])
+        return;
+      if (!cache[tileID]) {
+        cache[tileID] = {};
+      }
+      if (cache[tileID] && cache[tileID].metadata) {
+        return callback(null, cache[tileID].metadata);
+      }
+      inflight[tileID] = true;
+      if (metadataLastZoom !== tileCoord[2]) {
+        metadataLastZoom = tileCoord[2];
+        taskQueue.clear();
+      }
+      taskQueue.enqueue(() => {
+        json_default(url2).then(function(result) {
+          delete inflight[tileID];
+          if (!result) {
+            throw new Error("Unknown Error");
+          }
+          var vintage = {
+            start: localeDateString(result.resourceSets[0].resources[0].vintageStart),
+            end: localeDateString(result.resourceSets[0].resources[0].vintageEnd)
+          };
+          vintage.range = vintageRange(vintage);
+          var metadata = { vintage };
+          cache[tileID].metadata = metadata;
+          if (callback)
+            callback(null, metadata);
+        }).catch(function(err) {
+          delete inflight[tileID];
+          if (callback)
+            callback(err.message);
+        });
+      });
+    };
+    bing.terms_url = "https://blog.openstreetmap.org/2010/11/30/microsoft-imagery-details";
+    return bing;
+  };
+  rendererBackgroundSource.Esri = function(data) {
+    if (data.template.match(/blankTile/) === null) {
+      data.template = data.template + "?blankTile=false";
+    }
+    var esri = rendererBackgroundSource(data);
+    var cache = {};
+    var inflight = {};
+    var _prevCenter;
+    esri.fetchTilemap = function(center) {
+      if (_prevCenter && geoSphericalDistance(center, _prevCenter) < 5e3)
+        return;
+      _prevCenter = center;
+      var z = 20;
+      var dummyUrl = esri.url([1, 2, 3]);
+      var x = Math.floor((center[0] + 180) / 360 * Math.pow(2, z));
+      var y = Math.floor((1 - Math.log(Math.tan(center[1] * Math.PI / 180) + 1 / Math.cos(center[1] * Math.PI / 180)) / Math.PI) / 2 * Math.pow(2, z));
+      var tilemapUrl = dummyUrl.replace(/tile\/[0-9]+\/[0-9]+\/[0-9]+\?blankTile=false/, "tilemap") + "/" + z + "/" + y + "/" + x + "/8/8";
+      json_default(tilemapUrl).then(function(tilemap) {
+        if (!tilemap) {
+          throw new Error("Unknown Error");
+        }
+        var hasTiles = true;
+        for (var i2 = 0; i2 < tilemap.data.length; i2++) {
+          if (!tilemap.data[i2]) {
+            hasTiles = false;
+            break;
+          }
+        }
+        esri.zoomExtent[1] = hasTiles ? 22 : 19;
+      }).catch(function() {
+      });
+    };
+    esri.getMetadata = function(center, tileCoord, callback) {
+      if (esri.id !== "EsriWorldImagery") {
+        return callback(null, {});
+      }
+      var tileID = tileCoord.slice(0, 3).join("/");
+      var zoom = Math.min(tileCoord[2], esri.zoomExtent[1]);
+      var centerPoint = center[0] + "," + center[1];
+      var unknown = _t("info_panels.background.unknown");
+      var vintage = {};
+      var metadata = {};
+      if (inflight[tileID])
+        return;
+      var url = "https://services.arcgisonline.com/arcgis/rest/services/World_Imagery/MapServer/4/query";
+      url += "?returnGeometry=false&geometry=" + centerPoint + "&inSR=4326&geometryType=esriGeometryPoint&outFields=*&f=json";
+      if (!cache[tileID]) {
+        cache[tileID] = {};
+      }
+      if (cache[tileID] && cache[tileID].metadata) {
+        return callback(null, cache[tileID].metadata);
+      }
+      inflight[tileID] = true;
+      json_default(url).then(function(result) {
+        delete inflight[tileID];
+        result = result.features.map((f2) => f2.attributes).filter((a) => a.MinMapLevel <= zoom && a.MaxMapLevel >= zoom)[0];
+        if (!result) {
+          throw new Error("Unknown Error");
+        } else if (result.features && result.features.length < 1) {
+          throw new Error("No Results");
+        } else if (result.error && result.error.message) {
+          throw new Error(result.error.message);
+        }
+        var captureDate = localeDateString(result.SRC_DATE2);
+        vintage = {
+          start: captureDate,
+          end: captureDate,
+          range: captureDate
+        };
+        metadata = {
+          vintage,
+          source: clean2(result.NICE_NAME),
+          description: clean2(result.NICE_DESC),
+          resolution: clean2(+Number(result.SRC_RES).toFixed(4)),
+          accuracy: clean2(+Number(result.SRC_ACC).toFixed(4))
+        };
+        if (isFinite(metadata.resolution)) {
+          metadata.resolution += " m";
+        }
+        if (isFinite(metadata.accuracy)) {
+          metadata.accuracy += " m";
+        }
+        cache[tileID].metadata = metadata;
+        if (callback)
+          callback(null, metadata);
+      }).catch(function(err) {
+        delete inflight[tileID];
+        if (callback)
+          callback(err.message);
+      });
+      function clean2(val) {
+        return String(val).trim() || unknown;
+      }
+    };
+    return esri;
+  };
+  rendererBackgroundSource.None = function() {
+    var source = rendererBackgroundSource({ id: "none", template: "" });
+    source.name = function() {
+      return _t("background.none");
+    };
+    source.label = function() {
+      return _t.append("background.none");
+    };
+    source.imageryUsed = function() {
+      return null;
+    };
+    source.area = function() {
+      return -1;
+    };
+    return source;
+  };
+  rendererBackgroundSource.Custom = function(template) {
+    var source = rendererBackgroundSource({ id: "custom", template });
+    source.name = function() {
+      return _t("background.custom");
+    };
+    source.label = function() {
+      return _t.append("background.custom");
+    };
+    source.imageryUsed = function() {
+      var cleaned = source.template();
+      if (cleaned.indexOf("?") !== -1) {
+        var parts = cleaned.split("?", 2);
+        var qs = utilStringQs(parts[1]);
+        ["access_token", "connectId", "token"].forEach(function(param) {
+          if (qs[param]) {
+            qs[param] = "{apikey}";
+          }
+        });
+        cleaned = parts[0] + "?" + utilQsString(qs, true);
+      }
+      cleaned = cleaned.replace(/token\/(\w+)/, "token/{apikey}").replace(/key=(\w+)/, "key={apikey}");
+      return "Custom (" + cleaned + " )";
+    };
+    source.area = function() {
+      return -2;
+    };
+    return source;
+  };
+
+  // node_modules/@turf/helpers/dist/es/index.js
+  var earthRadius = 63710088e-1;
+  var factors = {
+    centimeters: earthRadius * 100,
+    centimetres: earthRadius * 100,
+    degrees: earthRadius / 111325,
+    feet: earthRadius * 3.28084,
+    inches: earthRadius * 39.37,
+    kilometers: earthRadius / 1e3,
+    kilometres: earthRadius / 1e3,
+    meters: earthRadius,
+    metres: earthRadius,
+    miles: earthRadius / 1609.344,
+    millimeters: earthRadius * 1e3,
+    millimetres: earthRadius * 1e3,
+    nauticalmiles: earthRadius / 1852,
+    radians: 1,
+    yards: earthRadius * 1.0936
+  };
+  var unitsFactors = {
+    centimeters: 100,
+    centimetres: 100,
+    degrees: 1 / 111325,
+    feet: 3.28084,
+    inches: 39.37,
+    kilometers: 1 / 1e3,
+    kilometres: 1 / 1e3,
+    meters: 1,
+    metres: 1,
+    miles: 1 / 1609.344,
+    millimeters: 1e3,
+    millimetres: 1e3,
+    nauticalmiles: 1 / 1852,
+    radians: 1 / earthRadius,
+    yards: 1.0936133
+  };
+  function feature2(geom, properties, options2) {
+    if (options2 === void 0) {
+      options2 = {};
+    }
+    var feat = { type: "Feature" };
+    if (options2.id === 0 || options2.id) {
+      feat.id = options2.id;
+    }
+    if (options2.bbox) {
+      feat.bbox = options2.bbox;
+    }
+    feat.properties = properties || {};
+    feat.geometry = geom;
+    return feat;
+  }
+  function polygon(coordinates, properties, options2) {
+    if (options2 === void 0) {
+      options2 = {};
+    }
+    for (var _i = 0, coordinates_1 = coordinates; _i < coordinates_1.length; _i++) {
+      var ring = coordinates_1[_i];
+      if (ring.length < 4) {
+        throw new Error("Each LinearRing of a Polygon must have 4 or more Positions.");
+      }
+      for (var j2 = 0; j2 < ring[ring.length - 1].length; j2++) {
+        if (ring[ring.length - 1][j2] !== ring[0][j2]) {
+          throw new Error("First and last Position are not equivalent.");
+        }
+      }
+    }
+    var geom = {
+      type: "Polygon",
+      coordinates
+    };
+    return feature2(geom, properties, options2);
+  }
+  function lineString(coordinates, properties, options2) {
+    if (options2 === void 0) {
+      options2 = {};
+    }
+    if (coordinates.length < 2) {
+      throw new Error("coordinates must be an array of two or more positions");
+    }
+    var geom = {
+      type: "LineString",
+      coordinates
+    };
+    return feature2(geom, properties, options2);
+  }
+  function multiLineString(coordinates, properties, options2) {
+    if (options2 === void 0) {
+      options2 = {};
+    }
+    var geom = {
+      type: "MultiLineString",
+      coordinates
+    };
+    return feature2(geom, properties, options2);
+  }
+  function multiPolygon(coordinates, properties, options2) {
+    if (options2 === void 0) {
+      options2 = {};
+    }
+    var geom = {
+      type: "MultiPolygon",
+      coordinates
+    };
+    return feature2(geom, properties, options2);
+  }
+
+  // node_modules/@turf/invariant/dist/es/index.js
+  function getGeom(geojson) {
+    if (geojson.type === "Feature") {
+      return geojson.geometry;
+    }
+    return geojson;
+  }
+
+  // node_modules/@turf/bbox-clip/dist/es/lib/lineclip.js
+  function lineclip(points, bbox2, result) {
+    var len = points.length, codeA = bitCode(points[0], bbox2), part = [], i2, codeB, lastCode;
+    var a;
+    var b;
+    if (!result)
+      result = [];
+    for (i2 = 1; i2 < len; i2++) {
+      a = points[i2 - 1];
+      b = points[i2];
+      codeB = lastCode = bitCode(b, bbox2);
+      while (true) {
+        if (!(codeA | codeB)) {
+          part.push(a);
+          if (codeB !== lastCode) {
+            part.push(b);
+            if (i2 < len - 1) {
+              result.push(part);
+              part = [];
+            }
+          } else if (i2 === len - 1) {
+            part.push(b);
+          }
+          break;
+        } else if (codeA & codeB) {
+          break;
+        } else if (codeA) {
+          a = intersect(a, b, codeA, bbox2);
+          codeA = bitCode(a, bbox2);
+        } else {
+          b = intersect(a, b, codeB, bbox2);
+          codeB = bitCode(b, bbox2);
+        }
+      }
+      codeA = lastCode;
+    }
+    if (part.length)
+      result.push(part);
+    return result;
+  }
+  function polygonclip(points, bbox2) {
+    var result, edge, prev, prevInside, i2, p, inside;
+    for (edge = 1; edge <= 8; edge *= 2) {
+      result = [];
+      prev = points[points.length - 1];
+      prevInside = !(bitCode(prev, bbox2) & edge);
+      for (i2 = 0; i2 < points.length; i2++) {
+        p = points[i2];
+        inside = !(bitCode(p, bbox2) & edge);
+        if (inside !== prevInside)
+          result.push(intersect(prev, p, edge, bbox2));
+        if (inside)
+          result.push(p);
+        prev = p;
+        prevInside = inside;
+      }
+      points = result;
+      if (!points.length)
+        break;
+    }
+    return result;
+  }
+  function intersect(a, b, edge, bbox2) {
+    return edge & 8 ? [a[0] + (b[0] - a[0]) * (bbox2[3] - a[1]) / (b[1] - a[1]), bbox2[3]] : edge & 4 ? [a[0] + (b[0] - a[0]) * (bbox2[1] - a[1]) / (b[1] - a[1]), bbox2[1]] : edge & 2 ? [bbox2[2], a[1] + (b[1] - a[1]) * (bbox2[2] - a[0]) / (b[0] - a[0])] : edge & 1 ? [bbox2[0], a[1] + (b[1] - a[1]) * (bbox2[0] - a[0]) / (b[0] - a[0])] : null;
+  }
+  function bitCode(p, bbox2) {
+    var code = 0;
+    if (p[0] < bbox2[0])
+      code |= 1;
+    else if (p[0] > bbox2[2])
+      code |= 2;
+    if (p[1] < bbox2[1])
+      code |= 4;
+    else if (p[1] > bbox2[3])
+      code |= 8;
+    return code;
+  }
+
+  // node_modules/@turf/bbox-clip/dist/es/index.js
+  function bboxClip(feature3, bbox2) {
+    var geom = getGeom(feature3);
+    var type2 = geom.type;
+    var properties = feature3.type === "Feature" ? feature3.properties : {};
+    var coords = geom.coordinates;
+    switch (type2) {
+      case "LineString":
+      case "MultiLineString": {
+        var lines_1 = [];
+        if (type2 === "LineString") {
+          coords = [coords];
+        }
+        coords.forEach(function(line) {
+          lineclip(line, bbox2, lines_1);
+        });
+        if (lines_1.length === 1) {
+          return lineString(lines_1[0], properties);
+        }
+        return multiLineString(lines_1, properties);
+      }
+      case "Polygon":
+        return polygon(clipPolygon(coords, bbox2), properties);
+      case "MultiPolygon":
+        return multiPolygon(coords.map(function(poly) {
+          return clipPolygon(poly, bbox2);
+        }), properties);
+      default:
+        throw new Error("geometry " + type2 + " not supported");
+    }
+  }
+  function clipPolygon(rings, bbox2) {
+    var outRings = [];
+    for (var _i = 0, rings_1 = rings; _i < rings_1.length; _i++) {
+      var ring = rings_1[_i];
+      var clipped = polygonclip(ring, bbox2);
+      if (clipped.length > 0) {
+        if (clipped[0][0] !== clipped[clipped.length - 1][0] || clipped[0][1] !== clipped[clipped.length - 1][1]) {
+          clipped.push(clipped[0]);
+        }
+        if (clipped.length >= 4) {
+          outRings.push(clipped);
+        }
+      }
+    }
+    return outRings;
+  }
+
+  // node_modules/@turf/meta/dist/es/index.js
+  function coordEach(geojson, callback, excludeWrapCoord) {
+    if (geojson === null)
+      return;
+    var j2, k, l, geometry, stopG, coords, geometryMaybeCollection, wrapShrink = 0, coordIndex = 0, isGeometryCollection, type2 = geojson.type, isFeatureCollection = type2 === "FeatureCollection", isFeature = type2 === "Feature", stop = isFeatureCollection ? geojson.features.length : 1;
+    for (var featureIndex = 0; featureIndex < stop; featureIndex++) {
+      geometryMaybeCollection = isFeatureCollection ? geojson.features[featureIndex].geometry : isFeature ? geojson.geometry : geojson;
+      isGeometryCollection = geometryMaybeCollection ? geometryMaybeCollection.type === "GeometryCollection" : false;
+      stopG = isGeometryCollection ? geometryMaybeCollection.geometries.length : 1;
+      for (var geomIndex = 0; geomIndex < stopG; geomIndex++) {
+        var multiFeatureIndex = 0;
+        var geometryIndex = 0;
+        geometry = isGeometryCollection ? geometryMaybeCollection.geometries[geomIndex] : geometryMaybeCollection;
+        if (geometry === null)
+          continue;
+        coords = geometry.coordinates;
+        var geomType = geometry.type;
+        wrapShrink = excludeWrapCoord && (geomType === "Polygon" || geomType === "MultiPolygon") ? 1 : 0;
+        switch (geomType) {
+          case null:
+            break;
+          case "Point":
+            if (callback(
+              coords,
+              coordIndex,
+              featureIndex,
+              multiFeatureIndex,
+              geometryIndex
+            ) === false)
+              return false;
+            coordIndex++;
+            multiFeatureIndex++;
+            break;
+          case "LineString":
+          case "MultiPoint":
+            for (j2 = 0; j2 < coords.length; j2++) {
+              if (callback(
+                coords[j2],
+                coordIndex,
+                featureIndex,
+                multiFeatureIndex,
+                geometryIndex
+              ) === false)
+                return false;
+              coordIndex++;
+              if (geomType === "MultiPoint")
+                multiFeatureIndex++;
+            }
+            if (geomType === "LineString")
+              multiFeatureIndex++;
+            break;
+          case "Polygon":
+          case "MultiLineString":
+            for (j2 = 0; j2 < coords.length; j2++) {
+              for (k = 0; k < coords[j2].length - wrapShrink; k++) {
+                if (callback(
+                  coords[j2][k],
+                  coordIndex,
+                  featureIndex,
+                  multiFeatureIndex,
+                  geometryIndex
+                ) === false)
+                  return false;
+                coordIndex++;
+              }
+              if (geomType === "MultiLineString")
+                multiFeatureIndex++;
+              if (geomType === "Polygon")
+                geometryIndex++;
+            }
+            if (geomType === "Polygon")
+              multiFeatureIndex++;
+            break;
+          case "MultiPolygon":
+            for (j2 = 0; j2 < coords.length; j2++) {
+              geometryIndex = 0;
+              for (k = 0; k < coords[j2].length; k++) {
+                for (l = 0; l < coords[j2][k].length - wrapShrink; l++) {
+                  if (callback(
+                    coords[j2][k][l],
+                    coordIndex,
+                    featureIndex,
+                    multiFeatureIndex,
+                    geometryIndex
+                  ) === false)
+                    return false;
+                  coordIndex++;
+                }
+                geometryIndex++;
+              }
+              multiFeatureIndex++;
+            }
+            break;
+          case "GeometryCollection":
+            for (j2 = 0; j2 < geometry.geometries.length; j2++)
+              if (coordEach(geometry.geometries[j2], callback, excludeWrapCoord) === false)
+                return false;
+            break;
+          default:
+            throw new Error("Unknown Geometry Type");
+        }
+      }
+    }
+  }
+
+  // node_modules/@turf/bbox/dist/es/index.js
+  function bbox(geojson) {
+    var result = [Infinity, Infinity, -Infinity, -Infinity];
+    coordEach(geojson, function(coord2) {
+      if (result[0] > coord2[0]) {
+        result[0] = coord2[0];
+      }
+      if (result[1] > coord2[1]) {
+        result[1] = coord2[1];
+      }
+      if (result[2] < coord2[0]) {
+        result[2] = coord2[0];
+      }
+      if (result[3] < coord2[1]) {
+        result[3] = coord2[1];
+      }
+    });
+    return result;
+  }
+  bbox["default"] = bbox;
+  var es_default = bbox;
+
+  // modules/renderer/background.js
+  var import_which_polygon3 = __toESM(require_which_polygon());
+
+  // modules/renderer/tile_layer.js
+  function rendererTileLayer(context) {
+    var transformProp = utilPrefixCSSProperty("Transform");
+    var tiler8 = utilTiler();
+    var _tileSize = 256;
+    var _projection;
+    var _cache4 = {};
+    var _tileOrigin;
+    var _zoom;
+    var _source;
+    function tileSizeAtZoom(d, z) {
+      var EPSILON = 2e-3;
+      return _tileSize * Math.pow(2, z - d[2]) / _tileSize + EPSILON;
+    }
+    function atZoom(t, distance) {
+      var power = Math.pow(2, distance);
+      return [
+        Math.floor(t[0] * power),
+        Math.floor(t[1] * power),
+        t[2] + distance
+      ];
+    }
+    function lookUp(d) {
+      for (var up = -1; up > -d[2]; up--) {
+        var tile = atZoom(d, up);
+        if (_cache4[_source.url(tile)] !== false) {
+          return tile;
+        }
+      }
+    }
+    function uniqueBy(a, n2) {
+      var o = [];
+      var seen = {};
+      for (var i2 = 0; i2 < a.length; i2++) {
+        if (seen[a[i2][n2]] === void 0) {
+          o.push(a[i2]);
+          seen[a[i2][n2]] = true;
+        }
+      }
+      return o;
+    }
+    function addSource(d) {
+      d.push(_source.url(d));
+      return d;
+    }
+    function background(selection2) {
+      _zoom = geoScaleToZoom(_projection.scale(), _tileSize);
+      var pixelOffset;
+      if (_source) {
+        pixelOffset = [
+          _source.offset()[0] * Math.pow(2, _zoom),
+          _source.offset()[1] * Math.pow(2, _zoom)
+        ];
+      } else {
+        pixelOffset = [0, 0];
+      }
+      var translate = [
+        _projection.translate()[0] + pixelOffset[0],
+        _projection.translate()[1] + pixelOffset[1]
+      ];
+      tiler8.scale(_projection.scale() * 2 * Math.PI).translate(translate);
+      _tileOrigin = [
+        _projection.scale() * Math.PI - translate[0],
+        _projection.scale() * Math.PI - translate[1]
+      ];
+      render(selection2);
+    }
+    function render(selection2) {
+      if (!_source)
+        return;
+      var requests = [];
+      var showDebug = context.getDebug("tile") && !_source.overlay;
+      if (_source.validZoom(_zoom)) {
+        tiler8.skipNullIsland(!!_source.overlay);
+        tiler8().forEach(function(d) {
+          addSource(d);
+          if (d[3] === "")
+            return;
+          if (typeof d[3] !== "string")
+            return;
+          requests.push(d);
+          if (_cache4[d[3]] === false && lookUp(d)) {
+            requests.push(addSource(lookUp(d)));
+          }
+        });
+        requests = uniqueBy(requests, 3).filter(function(r) {
+          return _cache4[r[3]] !== false;
+        });
+      }
+      function load(d3_event, d) {
+        _cache4[d[3]] = true;
+        select_default2(this).on("error", null).on("load", null).classed("tile-loaded", true);
+        render(selection2);
+      }
+      function error(d3_event, d) {
+        _cache4[d[3]] = false;
+        select_default2(this).on("error", null).on("load", null).remove();
+        render(selection2);
+      }
+      function imageTransform(d) {
+        var ts = _tileSize * Math.pow(2, _zoom - d[2]);
+        var scale = tileSizeAtZoom(d, _zoom);
+        return "translate(" + (d[0] * ts - _tileOrigin[0]) + "px," + (d[1] * ts - _tileOrigin[1]) + "px) scale(" + scale + "," + scale + ")";
+      }
+      function tileCenter(d) {
+        var ts = _tileSize * Math.pow(2, _zoom - d[2]);
+        return [
+          d[0] * ts - _tileOrigin[0] + ts / 2,
+          d[1] * ts - _tileOrigin[1] + ts / 2
+        ];
+      }
+      function debugTransform(d) {
+        var coord2 = tileCenter(d);
+        return "translate(" + coord2[0] + "px," + coord2[1] + "px)";
+      }
+      var dims = tiler8.size();
+      var mapCenter = [dims[0] / 2, dims[1] / 2];
+      var minDist = Math.max(dims[0], dims[1]);
+      var nearCenter;
+      requests.forEach(function(d) {
+        var c = tileCenter(d);
+        var dist = geoVecLength(c, mapCenter);
+        if (dist < minDist) {
+          minDist = dist;
+          nearCenter = d;
+        }
+      });
+      var image = selection2.selectAll("img").data(requests, function(d) {
+        return d[3];
+      });
+      image.exit().style(transformProp, imageTransform).classed("tile-removing", true).classed("tile-center", false).each(function() {
+        var tile = select_default2(this);
+        window.setTimeout(function() {
+          if (tile.classed("tile-removing")) {
+            tile.remove();
+          }
+        }, 300);
+      });
+      image.enter().append("img").attr("class", "tile").attr("alt", "").attr("draggable", "false").style("width", _tileSize + "px").style("height", _tileSize + "px").attr("src", function(d) {
+        return d[3];
+      }).on("error", error).on("load", load).merge(image).style(transformProp, imageTransform).classed("tile-debug", showDebug).classed("tile-removing", false).classed("tile-center", function(d) {
+        return d === nearCenter;
+      });
+      var debug2 = selection2.selectAll(".tile-label-debug").data(showDebug ? requests : [], function(d) {
+        return d[3];
+      });
+      debug2.exit().remove();
+      if (showDebug) {
+        var debugEnter = debug2.enter().append("div").attr("class", "tile-label-debug");
+        debugEnter.append("div").attr("class", "tile-label-debug-coord");
+        debugEnter.append("div").attr("class", "tile-label-debug-vintage");
+        debug2 = debug2.merge(debugEnter);
+        debug2.style(transformProp, debugTransform);
+        debug2.selectAll(".tile-label-debug-coord").text(function(d) {
+          return d[2] + " / " + d[0] + " / " + d[1];
+        });
+        debug2.selectAll(".tile-label-debug-vintage").each(function(d) {
+          var span = select_default2(this);
+          var center = context.projection.invert(tileCenter(d));
+          _source.getMetadata(center, d, function(err, result) {
+            if (result && result.vintage && result.vintage.range) {
+              span.text(result.vintage.range);
+            } else {
+              span.text("");
+              span.call(_t.append("info_panels.background.vintage"));
+              span.append("span").text(": ");
+              span.call(_t.append("info_panels.background.unknown"));
+            }
+          });
+        });
+      }
+    }
+    background.projection = function(val) {
+      if (!arguments.length)
+        return _projection;
+      _projection = val;
+      return background;
+    };
+    background.dimensions = function(val) {
+      if (!arguments.length)
+        return tiler8.size();
+      tiler8.size(val);
+      return background;
+    };
+    background.source = function(val) {
+      if (!arguments.length)
+        return _source;
+      _source = val;
+      _tileSize = _source.tileSize;
+      _cache4 = {};
+      tiler8.tileSize(_source.tileSize).zoomExtent(_source.zoomExtent);
+      return background;
+    };
+    return background;
+  }
+
+  // modules/renderer/background.js
+  var _imageryIndex = null;
+  function rendererBackground(context) {
+    const dispatch10 = dispatch_default("change");
+    const baseLayer = rendererTileLayer(context).projection(context.projection);
+    let _checkedBlocklists = [];
+    let _isValid = true;
+    let _overlayLayers = [];
+    let _brightness = 1;
+    let _contrast = 1;
+    let _saturation = 1;
+    let _sharpness = 1;
+    function ensureImageryIndex() {
+      return _mainFileFetcher.get("imagery").then((sources) => {
+        if (_imageryIndex)
+          return _imageryIndex;
+        _imageryIndex = {
+          imagery: sources,
+          features: {}
+        };
+        const features = sources.map((source) => {
+          if (!source.polygon)
+            return null;
+          const rings = source.polygon.map((ring) => [ring]);
+          const feature3 = {
+            type: "Feature",
+            properties: { id: source.id },
+            geometry: { type: "MultiPolygon", coordinates: rings }
+          };
+          _imageryIndex.features[source.id] = feature3;
+          return feature3;
+        }).filter(Boolean);
+        _imageryIndex.query = (0, import_which_polygon3.default)({ type: "FeatureCollection", features });
+        _imageryIndex.backgrounds = sources.map((source) => {
+          if (source.type === "bing") {
+            return rendererBackgroundSource.Bing(source, dispatch10);
+          } else if (/^EsriWorldImagery/.test(source.id)) {
+            return rendererBackgroundSource.Esri(source);
+          } else {
+            return rendererBackgroundSource(source);
+          }
+        });
+        _imageryIndex.backgrounds.unshift(rendererBackgroundSource.None());
+        let template = corePreferences("background-custom-template") || "";
+        const custom = rendererBackgroundSource.Custom(template);
+        _imageryIndex.backgrounds.unshift(custom);
+        return _imageryIndex;
+      });
+    }
+    function background(selection2) {
+      const currSource = baseLayer.source();
+      if (context.map().zoom() > 18) {
+        if (currSource && /^EsriWorldImagery/.test(currSource.id)) {
+          const center = context.map().center();
+          currSource.fetchTilemap(center);
+        }
+      }
+      const sources = background.sources(context.map().extent());
+      const wasValid = _isValid;
+      _isValid = !!sources.filter((d) => d === currSource).length;
+      if (wasValid !== _isValid) {
+        background.updateImagery();
+      }
+      let baseFilter = "";
+      if (_brightness !== 1) {
+        baseFilter += ` brightness(${_brightness})`;
+      }
+      if (_contrast !== 1) {
+        baseFilter += ` contrast(${_contrast})`;
+      }
+      if (_saturation !== 1) {
+        baseFilter += ` saturate(${_saturation})`;
+      }
+      if (_sharpness < 1) {
+        const blur = number_default(0.5, 5)(1 - _sharpness);
+        baseFilter += ` blur(${blur}px)`;
+      }
+      let base = selection2.selectAll(".layer-background").data([0]);
+      base = base.enter().insert("div", ".layer-data").attr("class", "layer layer-background").merge(base);
+      base.style("filter", baseFilter || null);
+      let imagery = base.selectAll(".layer-imagery").data([0]);
+      imagery.enter().append("div").attr("class", "layer layer-imagery").merge(imagery).call(baseLayer);
+      let maskFilter = "";
+      let mixBlendMode = "";
+      if (_sharpness > 1) {
+        mixBlendMode = "overlay";
+        maskFilter = "saturate(0) blur(3px) invert(1)";
+        let contrast = _sharpness - 1;
+        maskFilter += ` contrast(${contrast})`;
+        let brightness = number_default(1, 0.85)(_sharpness - 1);
+        maskFilter += ` brightness(${brightness})`;
+      }
+      let mask = base.selectAll(".layer-unsharp-mask").data(_sharpness > 1 ? [0] : []);
+      mask.exit().remove();
+      mask.enter().append("div").attr("class", "layer layer-mask layer-unsharp-mask").merge(mask).call(baseLayer).style("filter", maskFilter || null).style("mix-blend-mode", mixBlendMode || null);
+      let overlays = selection2.selectAll(".layer-overlay").data(_overlayLayers, (d) => d.source().name());
+      overlays.exit().remove();
+      overlays.enter().insert("div", ".layer-data").attr("class", "layer layer-overlay").merge(overlays).each((layer, i2, nodes) => select_default2(nodes[i2]).call(layer));
+    }
+    background.updateImagery = function() {
+      let currSource = baseLayer.source();
+      if (context.inIntro() || !currSource)
+        return;
+      let o = _overlayLayers.filter((d) => !d.source().isLocatorOverlay() && !d.source().isHidden()).map((d) => d.source().id).join(",");
+      const meters = geoOffsetToMeters(currSource.offset());
+      const EPSILON = 0.01;
+      const x = +meters[0].toFixed(2);
+      const y = +meters[1].toFixed(2);
+      let hash = utilStringQs(window.location.hash);
+      let id2 = currSource.id;
+      if (id2 === "custom") {
+        id2 = `custom:${currSource.template()}`;
+      }
+      if (id2) {
+        hash.background = id2;
+      } else {
+        delete hash.background;
+      }
+      if (o) {
+        hash.overlays = o;
+      } else {
+        delete hash.overlays;
+      }
+      if (Math.abs(x) > EPSILON || Math.abs(y) > EPSILON) {
+        hash.offset = `${x},${y}`;
+      } else {
+        delete hash.offset;
+      }
+      if (!window.mocha) {
+        window.location.replace("#" + utilQsString(hash, true));
+      }
+      let imageryUsed = [];
+      let photoOverlaysUsed = [];
+      const currUsed = currSource.imageryUsed();
+      if (currUsed && _isValid) {
+        imageryUsed.push(currUsed);
+      }
+      _overlayLayers.filter((d) => !d.source().isLocatorOverlay() && !d.source().isHidden()).forEach((d) => imageryUsed.push(d.source().imageryUsed()));
+      const dataLayer = context.layers().layer("data");
+      if (dataLayer && dataLayer.enabled() && dataLayer.hasData()) {
+        imageryUsed.push(dataLayer.getSrc());
+      }
+      const photoOverlayLayers = {
+        streetside: "Bing Streetside",
+        mapillary: "Mapillary Images",
+        "mapillary-map-features": "Mapillary Map Features",
+        "mapillary-signs": "Mapillary Signs",
+        kartaview: "KartaView Images"
+      };
+      for (let layerID in photoOverlayLayers) {
+        const layer = context.layers().layer(layerID);
+        if (layer && layer.enabled()) {
+          photoOverlaysUsed.push(layerID);
+          imageryUsed.push(photoOverlayLayers[layerID]);
+        }
+      }
+      context.history().imageryUsed(imageryUsed);
+      context.history().photoOverlaysUsed(photoOverlaysUsed);
+    };
+    background.sources = (extent, zoom, includeCurrent) => {
+      if (!_imageryIndex)
+        return [];
+      let visible = {};
+      (_imageryIndex.query.bbox(extent.rectangle(), true) || []).forEach((d) => visible[d.id] = true);
+      const currSource = baseLayer.source();
+      const osm = context.connection();
+      const blocklists = osm && osm.imageryBlocklists() || [];
+      const blocklistChanged = blocklists.length !== _checkedBlocklists.length || blocklists.some((regex, index) => String(regex) !== _checkedBlocklists[index]);
+      if (blocklistChanged) {
+        _imageryIndex.backgrounds.forEach((source) => {
+          source.isBlocked = blocklists.some((regex) => regex.test(source.template()));
+        });
+        _checkedBlocklists = blocklists.map((regex) => String(regex));
+      }
+      return _imageryIndex.backgrounds.filter((source) => {
+        if (includeCurrent && currSource === source)
+          return true;
+        if (source.isBlocked)
+          return false;
+        if (!source.polygon)
+          return true;
+        if (zoom && zoom < 6)
+          return false;
+        return visible[source.id];
+      });
+    };
+    background.dimensions = (val) => {
+      if (!val)
+        return;
+      baseLayer.dimensions(val);
+      _overlayLayers.forEach((layer) => layer.dimensions(val));
+    };
+    background.baseLayerSource = function(d) {
+      if (!arguments.length)
+        return baseLayer.source();
+      const osm = context.connection();
+      if (!osm)
+        return background;
+      const blocklists = osm.imageryBlocklists();
+      const template = d.template();
+      let fail = false;
+      let tested = 0;
+      let regex;
+      for (let i2 = 0; i2 < blocklists.length; i2++) {
+        regex = blocklists[i2];
+        fail = regex.test(template);
+        tested++;
+        if (fail)
+          break;
+      }
+      if (!tested) {
+        regex = /.*\.google(apis)?\..*\/(vt|kh)[\?\/].*([xyz]=.*){3}.*/;
+        fail = regex.test(template);
+      }
+      baseLayer.source(!fail ? d : background.findSource("none"));
+      dispatch10.call("change");
+      background.updateImagery();
+      return background;
+    };
+    background.findSource = (id2) => {
+      if (!id2 || !_imageryIndex)
+        return null;
+      return _imageryIndex.backgrounds.find((d) => d.id && d.id === id2);
+    };
+    background.bing = () => {
+      background.baseLayerSource(background.findSource("Bing"));
+    };
+    background.showsLayer = (d) => {
+      const currSource = baseLayer.source();
+      if (!d || !currSource)
+        return false;
+      return d.id === currSource.id || _overlayLayers.some((layer) => d.id === layer.source().id);
+    };
+    background.overlayLayerSources = () => {
+      return _overlayLayers.map((layer) => layer.source());
+    };
+    background.toggleOverlayLayer = (d) => {
+      let layer;
+      for (let i2 = 0; i2 < _overlayLayers.length; i2++) {
+        layer = _overlayLayers[i2];
+        if (layer.source() === d) {
+          _overlayLayers.splice(i2, 1);
+          dispatch10.call("change");
+          background.updateImagery();
+          return;
+        }
+      }
+      layer = rendererTileLayer(context).source(d).projection(context.projection).dimensions(
+        baseLayer.dimensions()
+      );
+      _overlayLayers.push(layer);
+      dispatch10.call("change");
+      background.updateImagery();
+    };
+    background.nudge = (d, zoom) => {
+      const currSource = baseLayer.source();
+      if (currSource) {
+        currSource.nudge(d, zoom);
+        dispatch10.call("change");
+        background.updateImagery();
+      }
+      return background;
+    };
+    background.offset = function(d) {
+      const currSource = baseLayer.source();
+      if (!arguments.length) {
+        return currSource && currSource.offset() || [0, 0];
+      }
+      if (currSource) {
+        currSource.offset(d);
+        dispatch10.call("change");
+        background.updateImagery();
+      }
+      return background;
+    };
+    background.brightness = function(d) {
+      if (!arguments.length)
+        return _brightness;
+      _brightness = d;
+      if (context.mode())
+        dispatch10.call("change");
+      return background;
+    };
+    background.contrast = function(d) {
+      if (!arguments.length)
+        return _contrast;
+      _contrast = d;
+      if (context.mode())
+        dispatch10.call("change");
+      return background;
+    };
+    background.saturation = function(d) {
+      if (!arguments.length)
+        return _saturation;
+      _saturation = d;
+      if (context.mode())
+        dispatch10.call("change");
+      return background;
+    };
+    background.sharpness = function(d) {
+      if (!arguments.length)
+        return _sharpness;
+      _sharpness = d;
+      if (context.mode())
+        dispatch10.call("change");
+      return background;
+    };
+    let _loadPromise;
+    background.ensureLoaded = () => {
+      if (_loadPromise)
+        return _loadPromise;
+      return _loadPromise = ensureImageryIndex();
+    };
+    background.init = () => {
+      const loadPromise = background.ensureLoaded();
+      const hash = utilStringQs(window.location.hash);
+      const requestedBackground = hash.background || hash.layer;
+      const lastUsedBackground = corePreferences("background-last-used");
+      return loadPromise.then((imageryIndex) => {
+        const extent = context.map().extent();
+        const validBackgrounds = background.sources(extent).filter((d) => d.id !== "none" && d.id !== "custom");
+        const first = validBackgrounds.length && validBackgrounds[0];
+        const isLastUsedValid = !!validBackgrounds.find((d) => d.id && d.id === lastUsedBackground);
+        let best;
+        if (!requestedBackground && extent) {
+          const viewArea = extent.area();
+          best = validBackgrounds.find((s) => {
+            if (!s.best() || s.overlay)
+              return false;
+            let bbox2 = es_default(bboxClip(
+              { type: "MultiPolygon", coordinates: [s.polygon || [extent.polygon()]] },
+              extent.rectangle()
+            ));
+            let area = geoExtent(bbox2.slice(0, 2), bbox2.slice(2, 4)).area();
+            return area / viewArea > 0.5;
+          });
+        }
+        if (requestedBackground && requestedBackground.indexOf("custom:") === 0) {
+          const template = requestedBackground.replace(/^custom:/, "");
+          const custom = background.findSource("custom");
+          background.baseLayerSource(custom.template(template));
+          corePreferences("background-custom-template", template);
+        } else {
+          background.baseLayerSource(
+            background.findSource(requestedBackground) || best || isLastUsedValid && background.findSource(lastUsedBackground) || background.findSource("Bing") || first || background.findSource("none")
+          );
+        }
+        const locator = imageryIndex.backgrounds.find((d) => d.overlay && d.default);
+        if (locator) {
+          background.toggleOverlayLayer(locator);
+        }
+        const overlays = (hash.overlays || "").split(",");
+        overlays.forEach((overlay) => {
+          overlay = background.findSource(overlay);
+          if (overlay) {
+            background.toggleOverlayLayer(overlay);
+          }
+        });
+        if (hash.gpx) {
+          const gpx2 = context.layers().layer("data");
+          if (gpx2) {
+            gpx2.url(hash.gpx, ".gpx");
+          }
+        }
+        if (hash.offset) {
+          const offset = hash.offset.replace(/;/g, ",").split(",").map((n2) => !isNaN(n2) && n2);
+          if (offset.length === 2) {
+            background.offset(geoMetersToOffset(offset));
+          }
+        }
+      }).catch((err) => {
+        console.error(err);
+      });
+    };
+    return utilRebind(background, dispatch10, "on");
+  }
+
+  // modules/renderer/features.js
+  function rendererFeatures(context) {
+    var dispatch10 = dispatch_default("change", "redraw");
+    var features = utilRebind({}, dispatch10, "on");
+    var _deferred2 = /* @__PURE__ */ new Set();
+    var traffic_roads = {
+      "motorway": true,
+      "motorway_link": true,
+      "trunk": true,
+      "trunk_link": true,
+      "primary": true,
+      "primary_link": true,
+      "secondary": true,
+      "secondary_link": true,
+      "tertiary": true,
+      "tertiary_link": true,
+      "residential": true,
+      "unclassified": true,
+      "living_street": true,
+      "busway": true
+    };
+    var service_roads = {
+      "service": true,
+      "road": true,
+      "track": true
+    };
+    var paths = {
+      "path": true,
+      "footway": true,
+      "cycleway": true,
+      "bridleway": true,
+      "steps": true,
+      "pedestrian": true
+    };
+    var _cullFactor = 1;
+    var _cache4 = {};
+    var _rules = {};
+    var _stats = {};
+    var _keys = [];
+    var _hidden = [];
+    var _forceVisible = {};
+    function update() {
+      if (!window.mocha) {
+        var hash = utilStringQs(window.location.hash);
+        var disabled = features.disabled();
+        if (disabled.length) {
+          hash.disable_features = disabled.join(",");
+        } else {
+          delete hash.disable_features;
+        }
+        window.location.replace("#" + utilQsString(hash, true));
+        corePreferences("disabled-features", disabled.join(","));
+      }
+      _hidden = features.hidden();
+      dispatch10.call("change");
+      dispatch10.call("redraw");
+    }
+    function defineRule(k, filter2, max3) {
+      var isEnabled = true;
+      _keys.push(k);
+      _rules[k] = {
+        filter: filter2,
+        enabled: isEnabled,
+        // whether the user wants it enabled..
+        count: 0,
+        currentMax: max3 || Infinity,
+        defaultMax: max3 || Infinity,
+        enable: function() {
+          this.enabled = true;
+          this.currentMax = this.defaultMax;
+        },
+        disable: function() {
+          this.enabled = false;
+          this.currentMax = 0;
+        },
+        hidden: function() {
+          return this.count === 0 && !this.enabled || this.count > this.currentMax * _cullFactor;
+        },
+        autoHidden: function() {
+          return this.hidden() && this.currentMax > 0;
+        }
+      };
+    }
+    defineRule("points", function isPoint(tags, geometry) {
+      return geometry === "point";
+    }, 200);
+    defineRule("traffic_roads", function isTrafficRoad(tags) {
+      return traffic_roads[tags.highway];
+    });
+    defineRule("service_roads", function isServiceRoad(tags) {
+      return service_roads[tags.highway];
+    });
+    defineRule("paths", function isPath(tags) {
+      return paths[tags.highway];
+    });
+    defineRule("buildings", function isBuilding(tags) {
+      return !!tags.building && tags.building !== "no" || tags.parking === "multi-storey" || tags.parking === "sheds" || tags.parking === "carports" || tags.parking === "garage_boxes";
+    }, 250);
+    defineRule("building_parts", function isBuildingPart(tags) {
+      return tags["building:part"];
+    });
+    defineRule("indoor", function isIndoor(tags) {
+      return tags.indoor;
+    });
+    defineRule("landuse", function isLanduse(tags, geometry) {
+      return geometry === "area" && !_rules.buildings.filter(tags) && !_rules.building_parts.filter(tags) && !_rules.indoor.filter(tags) && !_rules.water.filter(tags) && !_rules.pistes.filter(tags);
+    });
+    defineRule("boundaries", function isBoundary(tags, geometry) {
+      return (geometry === "line" && !!tags.boundary || geometry === "relation" && tags.type === "boundary") && !(traffic_roads[tags.highway] || service_roads[tags.highway] || paths[tags.highway] || tags.waterway || tags.railway || tags.landuse || tags.natural || tags.building || tags.power);
+    });
+    defineRule("water", function isWater(tags) {
+      return !!tags.waterway || tags.natural === "water" || tags.natural === "coastline" || tags.natural === "bay" || tags.landuse === "pond" || tags.landuse === "basin" || tags.landuse === "reservoir" || tags.landuse === "salt_pond";
+    });
+    defineRule("rail", function isRail(tags) {
+      return (!!tags.railway || tags.landuse === "railway") && !(traffic_roads[tags.highway] || service_roads[tags.highway] || paths[tags.highway]);
+    });
+    defineRule("pistes", function isPiste(tags) {
+      return tags["piste:type"];
+    });
+    defineRule("aerialways", function isPiste(tags) {
+      return tags.aerialway && tags.aerialway !== "yes" && tags.aerialway !== "station";
+    });
+    defineRule("power", function isPower(tags) {
+      return !!tags.power;
+    });
+    defineRule("past_future", function isPastFuture(tags) {
+      if (traffic_roads[tags.highway] || service_roads[tags.highway] || paths[tags.highway]) {
+        return false;
+      }
+      var strings = Object.keys(tags);
+      for (var i2 = 0; i2 < strings.length; i2++) {
+        var s = strings[i2];
+        if (osmLifecyclePrefixes[s] || osmLifecyclePrefixes[tags[s]])
+          return true;
+      }
+      return false;
+    });
+    defineRule("others", function isOther(tags, geometry) {
+      return geometry === "line" || geometry === "area";
+    });
+    features.features = function() {
+      return _rules;
+    };
+    features.keys = function() {
+      return _keys;
+    };
+    features.enabled = function(k) {
+      if (!arguments.length) {
+        return _keys.filter(function(k2) {
+          return _rules[k2].enabled;
+        });
+      }
+      return _rules[k] && _rules[k].enabled;
+    };
+    features.disabled = function(k) {
+      if (!arguments.length) {
+        return _keys.filter(function(k2) {
+          return !_rules[k2].enabled;
+        });
+      }
+      return _rules[k] && !_rules[k].enabled;
+    };
+    features.hidden = function(k) {
+      if (!arguments.length) {
+        return _keys.filter(function(k2) {
+          return _rules[k2].hidden();
+        });
+      }
+      return _rules[k] && _rules[k].hidden();
+    };
+    features.autoHidden = function(k) {
+      if (!arguments.length) {
+        return _keys.filter(function(k2) {
+          return _rules[k2].autoHidden();
+        });
+      }
+      return _rules[k] && _rules[k].autoHidden();
+    };
+    features.enable = function(k) {
+      if (_rules[k] && !_rules[k].enabled) {
+        _rules[k].enable();
+        update();
+      }
+    };
+    features.enableAll = function() {
+      var didEnable = false;
+      for (var k in _rules) {
+        if (!_rules[k].enabled) {
+          didEnable = true;
+          _rules[k].enable();
+        }
+      }
+      if (didEnable)
+        update();
+    };
+    features.disable = function(k) {
+      if (_rules[k] && _rules[k].enabled) {
+        _rules[k].disable();
+        update();
+      }
+    };
+    features.disableAll = function() {
+      var didDisable = false;
+      for (var k in _rules) {
+        if (_rules[k].enabled) {
+          didDisable = true;
+          _rules[k].disable();
+        }
+      }
+      if (didDisable)
+        update();
+    };
+    features.toggle = function(k) {
+      if (_rules[k]) {
+        (function(f2) {
+          return f2.enabled ? f2.disable() : f2.enable();
+        })(_rules[k]);
+        update();
+      }
+    };
+    features.resetStats = function() {
+      for (var i2 = 0; i2 < _keys.length; i2++) {
+        _rules[_keys[i2]].count = 0;
+      }
+      dispatch10.call("change");
+    };
+    features.gatherStats = function(d, resolver, dimensions) {
+      var needsRedraw = false;
+      var types = utilArrayGroupBy(d, "type");
+      var entities = [].concat(types.relation || [], types.way || [], types.node || []);
+      var currHidden, geometry, matches, i2, j2;
+      for (i2 = 0; i2 < _keys.length; i2++) {
+        _rules[_keys[i2]].count = 0;
+      }
+      _cullFactor = dimensions[0] * dimensions[1] / 1e6;
+      for (i2 = 0; i2 < entities.length; i2++) {
+        geometry = entities[i2].geometry(resolver);
+        matches = Object.keys(features.getMatches(entities[i2], resolver, geometry));
+        for (j2 = 0; j2 < matches.length; j2++) {
+          _rules[matches[j2]].count++;
+        }
+      }
+      currHidden = features.hidden();
+      if (currHidden !== _hidden) {
+        _hidden = currHidden;
+        needsRedraw = true;
+        dispatch10.call("change");
+      }
+      return needsRedraw;
+    };
+    features.stats = function() {
+      for (var i2 = 0; i2 < _keys.length; i2++) {
+        _stats[_keys[i2]] = _rules[_keys[i2]].count;
+      }
+      return _stats;
+    };
+    features.clear = function(d) {
+      for (var i2 = 0; i2 < d.length; i2++) {
+        features.clearEntity(d[i2]);
+      }
+    };
+    features.clearEntity = function(entity) {
+      delete _cache4[osmEntity.key(entity)];
+    };
+    features.reset = function() {
+      Array.from(_deferred2).forEach(function(handle) {
+        window.cancelIdleCallback(handle);
+        _deferred2.delete(handle);
+      });
+      _cache4 = {};
+    };
+    function relationShouldBeChecked(relation) {
+      return relation.tags.type === "boundary";
+    }
+    features.getMatches = function(entity, resolver, geometry) {
+      if (geometry === "vertex" || geometry === "relation" && !relationShouldBeChecked(entity))
+        return {};
+      var ent = osmEntity.key(entity);
+      if (!_cache4[ent]) {
+        _cache4[ent] = {};
+      }
+      if (!_cache4[ent].matches) {
+        var matches = {};
+        var hasMatch = false;
+        for (var i2 = 0; i2 < _keys.length; i2++) {
+          if (_keys[i2] === "others") {
+            if (hasMatch)
+              continue;
+            if (entity.type === "way") {
+              var parents = features.getParents(entity, resolver, geometry);
+              if (parents.length === 1 && parents[0].isMultipolygon() || // 2b. or belongs only to boundary relations
+              parents.length > 0 && parents.every(function(parent) {
+                return parent.tags.type === "boundary";
+              })) {
+                var pkey = osmEntity.key(parents[0]);
+                if (_cache4[pkey] && _cache4[pkey].matches) {
+                  matches = Object.assign({}, _cache4[pkey].matches);
+                  continue;
+                }
+              }
+            }
+          }
+          if (_rules[_keys[i2]].filter(entity.tags, geometry)) {
+            matches[_keys[i2]] = hasMatch = true;
+          }
+        }
+        _cache4[ent].matches = matches;
+      }
+      return _cache4[ent].matches;
+    };
+    features.getParents = function(entity, resolver, geometry) {
+      if (geometry === "point")
+        return [];
+      var ent = osmEntity.key(entity);
+      if (!_cache4[ent]) {
+        _cache4[ent] = {};
+      }
+      if (!_cache4[ent].parents) {
+        var parents = [];
+        if (geometry === "vertex") {
+          parents = resolver.parentWays(entity);
+        } else {
+          parents = resolver.parentRelations(entity);
+        }
+        _cache4[ent].parents = parents;
+      }
+      return _cache4[ent].parents;
+    };
+    features.isHiddenPreset = function(preset, geometry) {
+      if (!_hidden.length)
+        return false;
+      if (!preset.tags)
+        return false;
+      var test = preset.setTags({}, geometry);
+      for (var key in _rules) {
+        if (_rules[key].filter(test, geometry)) {
+          if (_hidden.indexOf(key) !== -1) {
+            return key;
+          }
+          return false;
+        }
+      }
+      return false;
+    };
+    features.isHiddenFeature = function(entity, resolver, geometry) {
+      if (!_hidden.length)
+        return false;
+      if (!entity.version)
+        return false;
+      if (_forceVisible[entity.id])
+        return false;
+      var matches = Object.keys(features.getMatches(entity, resolver, geometry));
+      return matches.length && matches.every(function(k) {
+        return features.hidden(k);
+      });
+    };
+    features.isHiddenChild = function(entity, resolver, geometry) {
+      if (!_hidden.length)
+        return false;
+      if (!entity.version || geometry === "point")
+        return false;
+      if (_forceVisible[entity.id])
+        return false;
+      var parents = features.getParents(entity, resolver, geometry);
+      if (!parents.length)
+        return false;
+      for (var i2 = 0; i2 < parents.length; i2++) {
+        if (!features.isHidden(parents[i2], resolver, parents[i2].geometry(resolver))) {
+          return false;
+        }
+      }
+      return true;
+    };
+    features.hasHiddenConnections = function(entity, resolver) {
+      if (!_hidden.length)
+        return false;
+      var childNodes, connections;
+      if (entity.type === "midpoint") {
+        childNodes = [resolver.entity(entity.edge[0]), resolver.entity(entity.edge[1])];
+        connections = [];
+      } else {
+        childNodes = entity.nodes ? resolver.childNodes(entity) : [];
+        connections = features.getParents(entity, resolver, entity.geometry(resolver));
+      }
+      connections = childNodes.reduce(function(result, e) {
+        return resolver.isShared(e) ? utilArrayUnion(result, resolver.parentWays(e)) : result;
+      }, connections);
+      return connections.some(function(e) {
+        return features.isHidden(e, resolver, e.geometry(resolver));
+      });
+    };
+    features.isHidden = function(entity, resolver, geometry) {
+      if (!_hidden.length)
+        return false;
+      if (!entity.version)
+        return false;
+      var fn = geometry === "vertex" ? features.isHiddenChild : features.isHiddenFeature;
+      return fn(entity, resolver, geometry);
+    };
+    features.filter = function(d, resolver) {
+      if (!_hidden.length)
+        return d;
+      var result = [];
+      for (var i2 = 0; i2 < d.length; i2++) {
+        var entity = d[i2];
+        if (!features.isHidden(entity, resolver, entity.geometry(resolver))) {
+          result.push(entity);
+        }
+      }
+      return result;
+    };
+    features.forceVisible = function(entityIDs) {
+      if (!arguments.length)
+        return Object.keys(_forceVisible);
+      _forceVisible = {};
+      for (var i2 = 0; i2 < entityIDs.length; i2++) {
+        _forceVisible[entityIDs[i2]] = true;
+        var entity = context.hasEntity(entityIDs[i2]);
+        if (entity && entity.type === "relation") {
+          for (var j2 in entity.members) {
+            _forceVisible[entity.members[j2].id] = true;
+          }
+        }
+      }
+      return features;
+    };
+    features.init = function() {
+      var storage = corePreferences("disabled-features");
+      if (storage) {
+        var storageDisabled = storage.replace(/;/g, ",").split(",");
+        storageDisabled.forEach(features.disable);
+      }
+      var hash = utilStringQs(window.location.hash);
+      if (hash.disable_features) {
+        var hashDisabled = hash.disable_features.replace(/;/g, ",").split(",");
+        hashDisabled.forEach(features.disable);
+      }
+    };
+    context.history().on("merge.features", function(newEntities) {
+      if (!newEntities)
+        return;
+      var handle = window.requestIdleCallback(function() {
+        var graph = context.graph();
+        var types = utilArrayGroupBy(newEntities, "type");
+        var entities = [].concat(types.relation || [], types.way || [], types.node || []);
+        for (var i2 = 0; i2 < entities.length; i2++) {
+          var geometry = entities[i2].geometry(graph);
+          features.getMatches(entities[i2], graph, geometry);
+        }
+      });
+      _deferred2.add(handle);
+    });
+    return features;
+  }
+
+  // modules/svg/areas.js
+  var import_fast_deep_equal5 = __toESM(require_fast_deep_equal());
+
+  // modules/svg/helpers.js
+  function svgPassiveVertex(node, graph, activeID) {
+    if (!activeID)
+      return 1;
+    if (activeID === node.id)
+      return 0;
+    var parents = graph.parentWays(node);
+    var i2, j2, nodes, isClosed, ix1, ix2, ix3, ix4, max3;
+    for (i2 = 0; i2 < parents.length; i2++) {
+      nodes = parents[i2].nodes;
+      isClosed = parents[i2].isClosed();
+      for (j2 = 0; j2 < nodes.length; j2++) {
+        if (nodes[j2] === node.id) {
+          ix1 = j2 - 2;
+          ix2 = j2 - 1;
+          ix3 = j2 + 1;
+          ix4 = j2 + 2;
+          if (isClosed) {
+            max3 = nodes.length - 1;
+            if (ix1 < 0)
+              ix1 = max3 + ix1;
+            if (ix2 < 0)
+              ix2 = max3 + ix2;
+            if (ix3 > max3)
+              ix3 = ix3 - max3;
+            if (ix4 > max3)
+              ix4 = ix4 - max3;
+          }
+          if (nodes[ix1] === activeID)
+            return 0;
+          else if (nodes[ix2] === activeID)
+            return 2;
+          else if (nodes[ix3] === activeID)
+            return 2;
+          else if (nodes[ix4] === activeID)
+            return 0;
+          else if (isClosed && nodes.indexOf(activeID) !== -1)
+            return 0;
+        }
+      }
+    }
+    return 1;
+  }
+  function svgMarkerSegments(projection2, graph, dt, shouldReverse, bothDirections) {
+    return function(entity) {
+      var i2 = 0;
+      var offset = dt;
+      var segments = [];
+      var clip = identity_default2().clipExtent(projection2.clipExtent()).stream;
+      var coordinates = graph.childNodes(entity).map(function(n2) {
+        return n2.loc;
+      });
+      var a, b;
+      if (shouldReverse(entity)) {
+        coordinates.reverse();
+      }
+      stream_default({
+        type: "LineString",
+        coordinates
+      }, projection2.stream(clip({
+        lineStart: function() {
+        },
+        lineEnd: function() {
+          a = null;
+        },
+        point: function(x, y) {
+          b = [x, y];
+          if (a) {
+            var span = geoVecLength(a, b) - offset;
+            if (span >= 0) {
+              var heading = geoVecAngle(a, b);
+              var dx = dt * Math.cos(heading);
+              var dy = dt * Math.sin(heading);
+              var p = [
+                a[0] + offset * Math.cos(heading),
+                a[1] + offset * Math.sin(heading)
+              ];
+              var coord2 = [a, p];
+              for (span -= dt; span >= 0; span -= dt) {
+                p = geoVecAdd(p, [dx, dy]);
+                coord2.push(p);
+              }
+              coord2.push(b);
+              var segment = "";
+              var j2;
+              for (j2 = 0; j2 < coord2.length; j2++) {
+                segment += (j2 === 0 ? "M" : "L") + coord2[j2][0] + "," + coord2[j2][1];
+              }
+              segments.push({ id: entity.id, index: i2++, d: segment });
+              if (bothDirections(entity)) {
+                segment = "";
+                for (j2 = coord2.length - 1; j2 >= 0; j2--) {
+                  segment += (j2 === coord2.length - 1 ? "M" : "L") + coord2[j2][0] + "," + coord2[j2][1];
+                }
+                segments.push({ id: entity.id, index: i2++, d: segment });
+              }
+            }
+            offset = -span;
+          }
+          a = b;
+        }
+      })));
+      return segments;
+    };
+  }
+  function svgPath(projection2, graph, isArea) {
+    var cache = {};
+    var padding = isArea ? 65 : 5;
+    var viewport = projection2.clipExtent();
+    var paddedExtent = [
+      [viewport[0][0] - padding, viewport[0][1] - padding],
+      [viewport[1][0] + padding, viewport[1][1] + padding]
+    ];
+    var clip = identity_default2().clipExtent(paddedExtent).stream;
+    var project = projection2.stream;
+    var path = path_default().projection({ stream: function(output) {
+      return project(clip(output));
+    } });
+    var svgpath = function(entity) {
+      if (entity.id in cache) {
+        return cache[entity.id];
+      } else {
+        return cache[entity.id] = path(entity.asGeoJSON(graph));
+      }
+    };
+    svgpath.geojson = function(d) {
+      if (d.__featurehash__ !== void 0) {
+        if (d.__featurehash__ in cache) {
+          return cache[d.__featurehash__];
+        } else {
+          return cache[d.__featurehash__] = path(d);
+        }
+      } else {
+        return path(d);
+      }
+    };
+    return svgpath;
+  }
+  function svgPointTransform(projection2) {
+    var svgpoint = function(entity) {
+      var pt = projection2(entity.loc);
+      return "translate(" + pt[0] + "," + pt[1] + ")";
+    };
+    svgpoint.geojson = function(d) {
+      return svgpoint(d.properties.entity);
+    };
+    return svgpoint;
+  }
+  function svgRelationMemberTags(graph) {
+    return function(entity) {
+      var tags = entity.tags;
+      var shouldCopyMultipolygonTags = !entity.hasInterestingTags();
+      graph.parentRelations(entity).forEach(function(relation) {
+        var type2 = relation.tags.type;
+        if (type2 === "multipolygon" && shouldCopyMultipolygonTags || type2 === "boundary") {
+          tags = Object.assign({}, relation.tags, tags);
+        }
+      });
+      return tags;
+    };
+  }
+  function svgSegmentWay(way, graph, activeID) {
+    if (activeID === void 0) {
+      return graph.transient(way, "waySegments", getWaySegments);
+    } else {
+      return getWaySegments();
+    }
+    function getWaySegments() {
+      var isActiveWay = way.nodes.indexOf(activeID) !== -1;
+      var features = { passive: [], active: [] };
+      var start2 = {};
+      var end = {};
+      var node, type2;
+      for (var i2 = 0; i2 < way.nodes.length; i2++) {
+        node = graph.entity(way.nodes[i2]);
+        type2 = svgPassiveVertex(node, graph, activeID);
+        end = { node, type: type2 };
+        if (start2.type !== void 0) {
+          if (start2.node.id === activeID || end.node.id === activeID) {
+          } else if (isActiveWay && (start2.type === 2 || end.type === 2)) {
+            pushActive(start2, end, i2);
+          } else if (start2.type === 0 && end.type === 0) {
+            pushActive(start2, end, i2);
+          } else {
+            pushPassive(start2, end, i2);
+          }
+        }
+        start2 = end;
+      }
+      return features;
+      function pushActive(start3, end2, index) {
+        features.active.push({
+          type: "Feature",
+          id: way.id + "-" + index + "-nope",
+          properties: {
+            nope: true,
+            target: true,
+            entity: way,
+            nodes: [start3.node, end2.node],
+            index
+          },
+          geometry: {
+            type: "LineString",
+            coordinates: [start3.node.loc, end2.node.loc]
+          }
+        });
+      }
+      function pushPassive(start3, end2, index) {
+        features.passive.push({
+          type: "Feature",
+          id: way.id + "-" + index,
+          properties: {
+            target: true,
+            entity: way,
+            nodes: [start3.node, end2.node],
+            index
+          },
+          geometry: {
+            type: "LineString",
+            coordinates: [start3.node.loc, end2.node.loc]
+          }
+        });
+      }
+    }
+  }
+
+  // modules/svg/tag_classes.js
+  function svgTagClasses() {
+    var primaries = [
+      "building",
+      "highway",
+      "railway",
+      "waterway",
+      "aeroway",
+      "aerialway",
+      "piste:type",
+      "boundary",
+      "power",
+      "amenity",
+      "natural",
+      "landuse",
+      "leisure",
+      "military",
+      "place",
+      "man_made",
+      "route",
+      "attraction",
+      "building:part",
+      "indoor"
+    ];
+    var statuses = Object.keys(osmLifecyclePrefixes);
+    var secondaries = [
+      "oneway",
+      "bridge",
+      "tunnel",
+      "embankment",
+      "cutting",
+      "barrier",
+      "surface",
+      "tracktype",
+      "footway",
+      "crossing",
+      "service",
+      "sport",
+      "public_transport",
+      "location",
+      "parking",
+      "golf",
+      "type",
+      "leisure",
+      "man_made",
+      "indoor",
+      "construction",
+      "proposed"
+    ];
+    var _tags = function(entity) {
+      return entity.tags;
+    };
+    var tagClasses = function(selection2) {
+      selection2.each(function tagClassesEach(entity) {
+        var value = this.className;
+        if (value.baseVal !== void 0) {
+          value = value.baseVal;
+        }
+        var t = _tags(entity);
+        var computed = tagClasses.getClassesString(t, value);
+        if (computed !== value) {
+          select_default2(this).attr("class", computed);
+        }
+      });
+    };
+    tagClasses.getClassesString = function(t, value) {
+      var primary, status;
+      var i2, j2, k, v;
+      var overrideGeometry;
+      if (/\bstroke\b/.test(value)) {
+        if (!!t.barrier && t.barrier !== "no") {
+          overrideGeometry = "line";
+        }
+      }
+      var classes = value.trim().split(/\s+/).filter(function(klass) {
+        return klass.length && !/^tag-/.test(klass);
+      }).map(function(klass) {
+        return klass === "line" || klass === "area" ? overrideGeometry || klass : klass;
+      });
+      for (i2 = 0; i2 < primaries.length; i2++) {
+        k = primaries[i2];
+        v = t[k];
+        if (!v || v === "no")
+          continue;
+        if (k === "piste:type") {
+          k = "piste";
+        } else if (k === "building:part") {
+          k = "building_part";
+        }
+        primary = k;
+        if (statuses.indexOf(v) !== -1) {
+          status = v;
+          classes.push("tag-" + k);
+        } else {
+          classes.push("tag-" + k);
+          classes.push("tag-" + k + "-" + v);
+        }
+        break;
+      }
+      if (!primary) {
+        for (i2 = 0; i2 < statuses.length; i2++) {
+          for (j2 = 0; j2 < primaries.length; j2++) {
+            k = statuses[i2] + ":" + primaries[j2];
+            v = t[k];
+            if (!v || v === "no")
+              continue;
+            status = statuses[i2];
+            break;
+          }
+        }
+      }
+      if (!status) {
+        for (i2 = 0; i2 < statuses.length; i2++) {
+          k = statuses[i2];
+          v = t[k];
+          if (!v || v === "no")
+            continue;
+          if (v === "yes") {
+            status = k;
+          } else if (primary && primary === v) {
+            status = k;
+          } else if (!primary && primaries.indexOf(v) !== -1) {
+            status = k;
+            primary = v;
+            classes.push("tag-" + v);
+          }
+          if (status)
+            break;
+        }
+      }
+      if (status) {
+        classes.push("tag-status");
+        classes.push("tag-status-" + status);
+      }
+      for (i2 = 0; i2 < secondaries.length; i2++) {
+        k = secondaries[i2];
+        v = t[k];
+        if (!v || v === "no" || k === primary)
+          continue;
+        classes.push("tag-" + k);
+        classes.push("tag-" + k + "-" + v);
+      }
+      if (primary === "highway" && !osmPathHighwayTagValues[t.highway] || primary === "aeroway") {
+        var surface = t.highway === "track" ? "unpaved" : "paved";
+        for (k in t) {
+          v = t[k];
+          if (k in osmPavedTags) {
+            surface = osmPavedTags[k][v] ? "paved" : "unpaved";
+          }
+          if (k in osmSemipavedTags && !!osmSemipavedTags[k][v]) {
+            surface = "semipaved";
+          }
+        }
+        classes.push("tag-" + surface);
+      }
+      var qid = t.wikidata || t["flag:wikidata"] || t["brand:wikidata"] || t["network:wikidata"] || t["operator:wikidata"];
+      if (qid) {
+        classes.push("tag-wikidata");
+      }
+      return classes.filter((klass) => /^[-_a-z0-9]+$/.test(klass)).join(" ").trim();
+    };
+    tagClasses.tags = function(val) {
+      if (!arguments.length)
+        return _tags;
+      _tags = val;
+      return tagClasses;
+    };
+    return tagClasses;
+  }
+
+  // modules/svg/tag_pattern.js
+  var patterns = {
+    // tag - pattern name
+    // -or-
+    // tag - value - pattern name
+    // -or-
+    // tag - value - rules (optional tag-values, pattern name)
+    // (matches earlier rules first, so fallback should be last entry)
+    amenity: {
+      grave_yard: "cemetery",
+      fountain: "water_standing"
+    },
+    landuse: {
+      cemetery: [
+        { religion: "christian", pattern: "cemetery_christian" },
+        { religion: "buddhist", pattern: "cemetery_buddhist" },
+        { religion: "muslim", pattern: "cemetery_muslim" },
+        { religion: "jewish", pattern: "cemetery_jewish" },
+        { pattern: "cemetery" }
+      ],
+      construction: "construction",
+      farmland: "farmland",
+      farmyard: "farmyard",
+      forest: [
+        { leaf_type: "broadleaved", pattern: "forest_broadleaved" },
+        { leaf_type: "needleleaved", pattern: "forest_needleleaved" },
+        { leaf_type: "leafless", pattern: "forest_leafless" },
+        { pattern: "forest" }
+        // same as 'leaf_type:mixed'
+      ],
+      grave_yard: "cemetery",
+      grass: "grass",
+      landfill: "landfill",
+      meadow: "meadow",
+      military: "construction",
+      orchard: "orchard",
+      quarry: "quarry",
+      vineyard: "vineyard"
+    },
+    leisure: {
+      horse_riding: "farmyard"
+    },
+    natural: {
+      beach: "beach",
+      grassland: "grass",
+      sand: "beach",
+      scrub: "scrub",
+      water: [
+        { water: "pond", pattern: "pond" },
+        { water: "reservoir", pattern: "water_standing" },
+        { pattern: "waves" }
+      ],
+      wetland: [
+        { wetland: "marsh", pattern: "wetland_marsh" },
+        { wetland: "swamp", pattern: "wetland_swamp" },
+        { wetland: "bog", pattern: "wetland_bog" },
+        { wetland: "reedbed", pattern: "wetland_reedbed" },
+        { pattern: "wetland" }
+      ],
+      wood: [
+        { leaf_type: "broadleaved", pattern: "forest_broadleaved" },
+        { leaf_type: "needleleaved", pattern: "forest_needleleaved" },
+        { leaf_type: "leafless", pattern: "forest_leafless" },
+        { pattern: "forest" }
+        // same as 'leaf_type:mixed'
+      ]
+    },
+    golf: {
+      green: "golf_green",
+      tee: "grass",
+      fairway: "grass",
+      rough: "scrub"
+    },
+    surface: {
+      grass: "grass",
+      sand: "beach"
+    }
+  };
+  function svgTagPattern(tags) {
+    if (tags.building && tags.building !== "no") {
+      return null;
+    }
+    for (var tag in patterns) {
+      var entityValue = tags[tag];
+      if (!entityValue)
+        continue;
+      if (typeof patterns[tag] === "string") {
+        return "pattern-" + patterns[tag];
+      } else {
+        var values = patterns[tag];
+        for (var value in values) {
+          if (entityValue !== value)
+            continue;
+          var rules = values[value];
+          if (typeof rules === "string") {
+            return "pattern-" + rules;
+          }
+          for (var ruleKey in rules) {
+            var rule = rules[ruleKey];
+            var pass = true;
+            for (var criterion in rule) {
+              if (criterion !== "pattern") {
+                var v = tags[criterion];
+                if (!v || v !== rule[criterion]) {
+                  pass = false;
+                  break;
+                }
+              }
+            }
+            if (pass) {
+              return "pattern-" + rule.pattern;
+            }
+          }
+        }
+      }
+    }
+    return null;
+  }
+
+  // modules/svg/areas.js
+  function svgAreas(projection2, context) {
+    function getPatternStyle(tags) {
+      var imageID = svgTagPattern(tags);
+      if (imageID) {
+        return 'url("#ideditor-' + imageID + '")';
+      }
+      return "";
+    }
+    function drawTargets(selection2, graph, entities, filter2) {
+      var targetClass = context.getDebug("target") ? "pink " : "nocolor ";
+      var nopeClass = context.getDebug("target") ? "red " : "nocolor ";
+      var getPath = svgPath(projection2).geojson;
+      var activeID = context.activeID();
+      var base = context.history().base();
+      var data = { targets: [], nopes: [] };
+      entities.forEach(function(way) {
+        var features = svgSegmentWay(way, graph, activeID);
+        data.targets.push.apply(data.targets, features.passive);
+        data.nopes.push.apply(data.nopes, features.active);
+      });
+      var targetData = data.targets.filter(getPath);
+      var targets = selection2.selectAll(".area.target-allowed").filter(function(d) {
+        return filter2(d.properties.entity);
+      }).data(targetData, function key(d) {
+        return d.id;
+      });
+      targets.exit().remove();
+      var segmentWasEdited = function(d) {
+        var wayID = d.properties.entity.id;
+        if (!base.entities[wayID] || !(0, import_fast_deep_equal5.default)(graph.entities[wayID].nodes, base.entities[wayID].nodes)) {
+          return false;
+        }
+        return d.properties.nodes.some(function(n2) {
+          return !base.entities[n2.id] || !(0, import_fast_deep_equal5.default)(graph.entities[n2.id].loc, base.entities[n2.id].loc);
+        });
+      };
+      targets.enter().append("path").merge(targets).attr("d", getPath).attr("class", function(d) {
+        return "way area target target-allowed " + targetClass + d.id;
+      }).classed("segment-edited", segmentWasEdited);
+      var nopeData = data.nopes.filter(getPath);
+      var nopes = selection2.selectAll(".area.target-nope").filter(function(d) {
+        return filter2(d.properties.entity);
+      }).data(nopeData, function key(d) {
+        return d.id;
+      });
+      nopes.exit().remove();
+      nopes.enter().append("path").merge(nopes).attr("d", getPath).attr("class", function(d) {
+        return "way area target target-nope " + nopeClass + d.id;
+      }).classed("segment-edited", segmentWasEdited);
+    }
+    function drawAreas(selection2, graph, entities, filter2) {
+      var path = svgPath(projection2, graph, true);
+      var areas = {};
+      var multipolygon;
+      var base = context.history().base();
+      for (var i2 = 0; i2 < entities.length; i2++) {
+        var entity = entities[i2];
+        if (entity.geometry(graph) !== "area")
+          continue;
+        multipolygon = osmIsOldMultipolygonOuterMember(entity, graph);
+        if (multipolygon) {
+          areas[multipolygon.id] = {
+            entity: multipolygon.mergeTags(entity.tags),
+            area: Math.abs(entity.area(graph))
+          };
+        } else if (!areas[entity.id]) {
+          areas[entity.id] = {
+            entity,
+            area: Math.abs(entity.area(graph))
+          };
+        }
+      }
+      var fills = Object.values(areas).filter(function hasPath(a) {
+        return path(a.entity);
+      });
+      fills.sort(function areaSort(a, b) {
+        return b.area - a.area;
+      });
+      fills = fills.map(function(a) {
+        return a.entity;
+      });
+      var strokes = fills.filter(function(area) {
+        return area.type === "way";
+      });
+      var data = {
+        clip: fills,
+        shadow: strokes,
+        stroke: strokes,
+        fill: fills
+      };
+      var clipPaths = context.surface().selectAll("defs").selectAll(".clipPath-osm").filter(filter2).data(data.clip, osmEntity.key);
+      clipPaths.exit().remove();
+      var clipPathsEnter = clipPaths.enter().append("clipPath").attr("class", "clipPath-osm").attr("id", function(entity2) {
+        return "ideditor-" + entity2.id + "-clippath";
+      });
+      clipPathsEnter.append("path");
+      clipPaths.merge(clipPathsEnter).selectAll("path").attr("d", path);
+      var drawLayer = selection2.selectAll(".layer-osm.areas");
+      var touchLayer = selection2.selectAll(".layer-touch.areas");
+      var areagroup = drawLayer.selectAll("g.areagroup").data(["fill", "shadow", "stroke"]);
+      areagroup = areagroup.enter().append("g").attr("class", function(d) {
+        return "areagroup area-" + d;
+      }).merge(areagroup);
+      var paths = areagroup.selectAll("path").filter(filter2).data(function(layer) {
+        return data[layer];
+      }, osmEntity.key);
+      paths.exit().remove();
+      var fillpaths = selection2.selectAll(".area-fill path.area").nodes();
+      var bisect = bisector(function(node) {
+        return -node.__data__.area(graph);
+      }).left;
+      function sortedByArea(entity2) {
+        if (this._parent.__data__ === "fill") {
+          return fillpaths[bisect(fillpaths, -entity2.area(graph))];
+        }
+      }
+      paths = paths.enter().insert("path", sortedByArea).merge(paths).each(function(entity2) {
+        var layer = this.parentNode.__data__;
+        this.setAttribute("class", entity2.type + " area " + layer + " " + entity2.id);
+        if (layer === "fill") {
+          this.setAttribute("clip-path", "url(#ideditor-" + entity2.id + "-clippath)");
+          this.style.fill = this.style.stroke = getPatternStyle(entity2.tags);
+        }
+      }).classed("added", function(d) {
+        return !base.entities[d.id];
+      }).classed("geometry-edited", function(d) {
+        return graph.entities[d.id] && base.entities[d.id] && !(0, import_fast_deep_equal5.default)(graph.entities[d.id].nodes, base.entities[d.id].nodes);
+      }).classed("retagged", function(d) {
+        return graph.entities[d.id] && base.entities[d.id] && !(0, import_fast_deep_equal5.default)(graph.entities[d.id].tags, base.entities[d.id].tags);
+      }).call(svgTagClasses()).attr("d", path);
+      touchLayer.call(drawTargets, graph, data.stroke, filter2);
+    }
+    return drawAreas;
+  }
+
+  // modules/svg/data.js
+  var import_fast_json_stable_stringify = __toESM(require_fast_json_stable_stringify());
+
+  // node_modules/@tmcw/togeojson/dist/togeojson.es.mjs
+  function $(element, tagName) {
+    return Array.from(element.getElementsByTagName(tagName));
+  }
+  function normalizeId(id2) {
+    return id2[0] === "#" ? id2 : `#${id2}`;
+  }
+  function $ns(element, tagName, ns) {
+    return Array.from(element.getElementsByTagNameNS(ns, tagName));
+  }
+  function nodeVal(node) {
+    node?.normalize();
+    return node && node.textContent || "";
+  }
+  function get1(node, tagName, callback) {
+    const n2 = node.getElementsByTagName(tagName);
+    const result = n2.length ? n2[0] : null;
+    if (result && callback)
+      callback(result);
+    return result;
+  }
+  function get3(node, tagName, callback) {
+    const properties = {};
+    if (!node)
+      return properties;
+    const n2 = node.getElementsByTagName(tagName);
+    const result = n2.length ? n2[0] : null;
+    if (result && callback) {
+      return callback(result, properties);
+    }
+    return properties;
+  }
+  function val1(node, tagName, callback) {
+    const val = nodeVal(get1(node, tagName));
+    if (val && callback)
+      return callback(val) || {};
+    return {};
+  }
+  function $num(node, tagName, callback) {
+    const val = parseFloat(nodeVal(get1(node, tagName)));
+    if (isNaN(val))
+      return void 0;
+    if (val && callback)
+      return callback(val) || {};
+    return {};
+  }
+  function num1(node, tagName, callback) {
+    const val = parseFloat(nodeVal(get1(node, tagName)));
+    if (isNaN(val))
+      return void 0;
+    if (callback)
+      callback(val);
+    return val;
+  }
+  function getMulti(node, propertyNames) {
+    const properties = {};
+    for (const property of propertyNames) {
+      val1(node, property, (val) => {
+        properties[property] = val;
+      });
+    }
+    return properties;
+  }
+  function isElement(node) {
+    return node?.nodeType === 1;
+  }
+  function getLineStyle(node) {
+    return get3(node, "line", (lineStyle) => {
+      const val = Object.assign({}, val1(lineStyle, "color", (color2) => {
+        return { stroke: `#${color2}` };
+      }), $num(lineStyle, "opacity", (opacity) => {
+        return { "stroke-opacity": opacity };
+      }), $num(lineStyle, "width", (width) => {
+        return { "stroke-width": width * 96 / 25.4 };
+      }));
+      return val;
+    });
+  }
+  function getExtensions(node) {
+    let values = [];
+    if (node === null)
+      return values;
+    for (const child of Array.from(node.childNodes)) {
+      if (!isElement(child))
+        continue;
+      const name = abbreviateName(child.nodeName);
+      if (name === "gpxtpx:TrackPointExtension") {
+        values = values.concat(getExtensions(child));
+      } else {
+        const val = nodeVal(child);
+        values.push([name, parseNumeric(val)]);
+      }
+    }
+    return values;
+  }
+  function abbreviateName(name) {
+    return ["heart", "gpxtpx:hr", "hr"].includes(name) ? "heart" : name;
+  }
+  function parseNumeric(val) {
+    const num = parseFloat(val);
+    return isNaN(num) ? val : num;
+  }
+  function coordPair$1(node) {
+    const ll = [
+      parseFloat(node.getAttribute("lon") || ""),
+      parseFloat(node.getAttribute("lat") || "")
+    ];
+    if (isNaN(ll[0]) || isNaN(ll[1])) {
+      return null;
+    }
+    num1(node, "ele", (val) => {
+      ll.push(val);
+    });
+    const time = get1(node, "time");
+    return {
+      coordinates: ll,
+      time: time ? nodeVal(time) : null,
+      extendedValues: getExtensions(get1(node, "extensions"))
+    };
+  }
+  function extractProperties(node) {
+    const properties = getMulti(node, [
+      "name",
+      "cmt",
+      "desc",
+      "type",
+      "time",
+      "keywords"
+    ]);
+    const extensions = Array.from(node.getElementsByTagNameNS("http://www.garmin.com/xmlschemas/GpxExtensions/v3", "*"));
+    for (const child of extensions) {
+      if (child.parentNode?.parentNode === node) {
+        properties[child.tagName.replace(":", "_")] = nodeVal(child);
+      }
+    }
+    const links = $(node, "link");
+    if (links.length) {
+      properties.links = links.map((link2) => Object.assign({ href: link2.getAttribute("href") }, getMulti(link2, ["text", "type"])));
+    }
+    return properties;
+  }
+  function getPoints$1(node, pointname) {
+    const pts = $(node, pointname);
+    const line = [];
+    const times = [];
+    const extendedValues = {};
+    for (let i2 = 0; i2 < pts.length; i2++) {
+      const c = coordPair$1(pts[i2]);
+      if (!c) {
+        continue;
+      }
+      line.push(c.coordinates);
+      if (c.time)
+        times.push(c.time);
+      for (const [name, val] of c.extendedValues) {
+        const plural = name === "heart" ? name : name.replace("gpxtpx:", "") + "s";
+        if (!extendedValues[plural]) {
+          extendedValues[plural] = Array(pts.length).fill(null);
+        }
+        extendedValues[plural][i2] = val;
+      }
+    }
+    if (line.length < 2)
+      return;
+    return {
+      line,
+      times,
+      extendedValues
+    };
+  }
+  function getRoute(node) {
+    const line = getPoints$1(node, "rtept");
+    if (!line)
+      return;
+    return {
+      type: "Feature",
+      properties: Object.assign({ _gpxType: "rte" }, extractProperties(node), getLineStyle(get1(node, "extensions"))),
+      geometry: {
+        type: "LineString",
+        coordinates: line.line
+      }
+    };
+  }
+  function getTrack(node) {
+    const segments = $(node, "trkseg");
+    const track = [];
+    const times = [];
+    const extractedLines = [];
+    for (const segment of segments) {
+      const line = getPoints$1(segment, "trkpt");
+      if (line) {
+        extractedLines.push(line);
+        if (line.times && line.times.length)
+          times.push(line.times);
+      }
+    }
+    if (extractedLines.length === 0)
+      return null;
+    const multi = extractedLines.length > 1;
+    const properties = Object.assign({ _gpxType: "trk" }, extractProperties(node), getLineStyle(get1(node, "extensions")), times.length ? {
+      coordinateProperties: {
+        times: multi ? times : times[0]
+      }
+    } : {});
+    for (const line of extractedLines) {
+      track.push(line.line);
+      if (!properties.coordinateProperties) {
+        properties.coordinateProperties = {};
+      }
+      const props = properties.coordinateProperties;
+      const entries = Object.entries(line.extendedValues);
+      for (let i2 = 0; i2 < entries.length; i2++) {
+        const [name, val] = entries[i2];
+        if (multi) {
+          if (!props[name]) {
+            props[name] = extractedLines.map((line2) => new Array(line2.line.length).fill(null));
+          }
+          props[name][i2] = val;
+        } else {
+          props[name] = val;
+        }
+      }
+    }
+    return {
+      type: "Feature",
+      properties,
+      geometry: multi ? {
+        type: "MultiLineString",
+        coordinates: track
+      } : {
+        type: "LineString",
+        coordinates: track[0]
+      }
+    };
+  }
+  function getPoint(node) {
+    const properties = Object.assign(extractProperties(node), getMulti(node, ["sym"]));
+    const pair2 = coordPair$1(node);
+    if (!pair2)
+      return null;
+    return {
+      type: "Feature",
+      properties,
+      geometry: {
+        type: "Point",
+        coordinates: pair2.coordinates
+      }
+    };
+  }
+  function* gpxGen(node) {
+    for (const track of $(node, "trk")) {
+      const feature3 = getTrack(track);
+      if (feature3)
+        yield feature3;
+    }
+    for (const route of $(node, "rte")) {
+      const feature3 = getRoute(route);
+      if (feature3)
+        yield feature3;
+    }
+    for (const waypoint of $(node, "wpt")) {
+      const point2 = getPoint(waypoint);
+      if (point2)
+        yield point2;
+    }
+  }
+  function gpx(node) {
+    return {
+      type: "FeatureCollection",
+      features: Array.from(gpxGen(node))
+    };
+  }
+  function fixColor(v, prefix) {
+    const properties = {};
+    const colorProp = prefix == "stroke" || prefix === "fill" ? prefix : prefix + "-color";
+    if (v[0] === "#") {
+      v = v.substring(1);
+    }
+    if (v.length === 6 || v.length === 3) {
+      properties[colorProp] = "#" + v;
+    } else if (v.length === 8) {
+      properties[prefix + "-opacity"] = parseInt(v.substring(0, 2), 16) / 255;
+      properties[colorProp] = "#" + v.substring(6, 8) + v.substring(4, 6) + v.substring(2, 4);
+    }
+    return properties;
+  }
+  function numericProperty(node, source, target) {
+    const properties = {};
+    num1(node, source, (val) => {
+      properties[target] = val;
+    });
+    return properties;
+  }
+  function getColor(node, output) {
+    return get3(node, "color", (elem) => fixColor(nodeVal(elem), output));
+  }
+  function extractIconHref(node) {
+    return get3(node, "Icon", (icon2, properties) => {
+      val1(icon2, "href", (href) => {
+        properties.icon = href;
+      });
+      return properties;
+    });
+  }
+  function extractIcon(node) {
+    return get3(node, "IconStyle", (iconStyle) => {
+      return Object.assign(getColor(iconStyle, "icon"), numericProperty(iconStyle, "scale", "icon-scale"), numericProperty(iconStyle, "heading", "icon-heading"), get3(iconStyle, "hotSpot", (hotspot) => {
+        const left = parseFloat(hotspot.getAttribute("x") || "");
+        const top = parseFloat(hotspot.getAttribute("y") || "");
+        const xunits = hotspot.getAttribute("xunits") || "";
+        const yunits = hotspot.getAttribute("yunits") || "";
+        if (!isNaN(left) && !isNaN(top))
+          return {
+            "icon-offset": [left, top],
+            "icon-offset-units": [xunits, yunits]
+          };
+        return {};
+      }), extractIconHref(iconStyle));
+    });
+  }
+  function extractLabel(node) {
+    return get3(node, "LabelStyle", (labelStyle) => {
+      return Object.assign(getColor(labelStyle, "label"), numericProperty(labelStyle, "scale", "label-scale"));
+    });
+  }
+  function extractLine(node) {
+    return get3(node, "LineStyle", (lineStyle) => {
+      return Object.assign(getColor(lineStyle, "stroke"), numericProperty(lineStyle, "width", "stroke-width"));
+    });
+  }
+  function extractPoly(node) {
+    return get3(node, "PolyStyle", (polyStyle, properties) => {
+      return Object.assign(properties, get3(polyStyle, "color", (elem) => fixColor(nodeVal(elem), "fill")), val1(polyStyle, "fill", (fill) => {
+        if (fill === "0")
+          return { "fill-opacity": 0 };
+      }), val1(polyStyle, "outline", (outline) => {
+        if (outline === "0")
+          return { "stroke-opacity": 0 };
+      }));
+    });
+  }
+  function extractStyle(node) {
+    return Object.assign({}, extractPoly(node), extractLine(node), extractLabel(node), extractIcon(node));
+  }
+  var toNumber2 = (x) => Number(x);
+  var typeConverters = {
+    string: (x) => x,
+    int: toNumber2,
+    uint: toNumber2,
+    short: toNumber2,
+    ushort: toNumber2,
+    float: toNumber2,
+    double: toNumber2,
+    bool: (x) => Boolean(x)
+  };
+  function extractExtendedData(node, schema) {
+    return get3(node, "ExtendedData", (extendedData, properties) => {
+      for (const data of $(extendedData, "Data")) {
+        properties[data.getAttribute("name") || ""] = nodeVal(get1(data, "value"));
+      }
+      for (const simpleData of $(extendedData, "SimpleData")) {
+        const name = simpleData.getAttribute("name") || "";
+        const typeConverter = schema[name] || typeConverters.string;
+        properties[name] = typeConverter(nodeVal(simpleData));
+      }
+      return properties;
+    });
+  }
+  function getMaybeHTMLDescription(node) {
+    const descriptionNode = get1(node, "description");
+    for (const c of Array.from(descriptionNode?.childNodes || [])) {
+      if (c.nodeType === 4) {
+        return {
+          description: {
+            "@type": "html",
+            value: nodeVal(c)
+          }
+        };
+      }
+    }
+    return {};
+  }
+  function extractTimeSpan(node) {
+    return get3(node, "TimeSpan", (timeSpan) => {
+      return {
+        timespan: {
+          begin: nodeVal(get1(timeSpan, "begin")),
+          end: nodeVal(get1(timeSpan, "end"))
+        }
+      };
+    });
+  }
+  function extractTimeStamp(node) {
+    return get3(node, "TimeStamp", (timeStamp) => {
+      return { timestamp: nodeVal(get1(timeStamp, "when")) };
+    });
+  }
+  function extractCascadedStyle(node, styleMap) {
+    return val1(node, "styleUrl", (styleUrl) => {
+      styleUrl = normalizeId(styleUrl);
+      if (styleMap[styleUrl]) {
+        return Object.assign({ styleUrl }, styleMap[styleUrl]);
+      }
+      return { styleUrl };
+    });
+  }
+  var removeSpace = /\s*/g;
+  var trimSpace = /^\s*|\s*$/g;
+  var splitSpace = /\s+/;
+  function coord1(value) {
+    return value.replace(removeSpace, "").split(",").map(parseFloat).filter((num) => !isNaN(num)).slice(0, 3);
+  }
+  function coord(value) {
+    return value.replace(trimSpace, "").split(splitSpace).map(coord1).filter((coord2) => {
+      return coord2.length >= 2;
+    });
+  }
+  function gxCoords(node) {
+    let elems = $(node, "coord");
+    if (elems.length === 0) {
+      elems = $ns(node, "coord", "*");
+    }
+    const coordinates = elems.map((elem) => {
+      return nodeVal(elem).split(" ").map(parseFloat);
+    });
+    if (coordinates.length === 0) {
+      return null;
+    }
+    return {
+      geometry: coordinates.length > 2 ? {
+        type: "LineString",
+        coordinates
+      } : {
+        type: "Point",
+        coordinates: coordinates[0]
+      },
+      times: $(node, "when").map((elem) => nodeVal(elem))
+    };
+  }
+  function fixRing(ring) {
+    if (ring.length === 0)
+      return ring;
+    const first = ring[0];
+    const last = ring[ring.length - 1];
+    let equal = true;
+    for (let i2 = 0; i2 < Math.max(first.length, last.length); i2++) {
+      if (first[i2] !== last[i2]) {
+        equal = false;
+        break;
+      }
+    }
+    if (!equal) {
+      return ring.concat([ring[0]]);
+    }
+    return ring;
+  }
+  function getCoordinates(node) {
+    return nodeVal(get1(node, "coordinates"));
+  }
+  function getGeometry(node) {
+    let geometries = [];
+    let coordTimes = [];
+    for (let i2 = 0; i2 < node.childNodes.length; i2++) {
+      const child = node.childNodes.item(i2);
+      if (isElement(child)) {
+        switch (child.tagName) {
+          case "MultiGeometry":
+          case "MultiTrack":
+          case "gx:MultiTrack": {
+            const childGeometries = getGeometry(child);
+            geometries = geometries.concat(childGeometries.geometries);
+            coordTimes = coordTimes.concat(childGeometries.coordTimes);
+            break;
+          }
+          case "Point": {
+            const coordinates = coord1(getCoordinates(child));
+            if (coordinates.length >= 2) {
+              geometries.push({
+                type: "Point",
+                coordinates
+              });
+            }
+            break;
+          }
+          case "LinearRing":
+          case "LineString": {
+            const coordinates = coord(getCoordinates(child));
+            if (coordinates.length >= 2) {
+              geometries.push({
+                type: "LineString",
+                coordinates
+              });
+            }
+            break;
+          }
+          case "Polygon": {
+            const coords = [];
+            for (const linearRing of $(child, "LinearRing")) {
+              const ring = fixRing(coord(getCoordinates(linearRing)));
+              if (ring.length >= 4) {
+                coords.push(ring);
+              }
+            }
+            if (coords.length) {
+              geometries.push({
+                type: "Polygon",
+                coordinates: coords
+              });
+            }
+            break;
+          }
+          case "Track":
+          case "gx:Track": {
+            const gx = gxCoords(child);
+            if (!gx)
+              break;
+            const { times, geometry } = gx;
+            geometries.push(geometry);
+            if (times.length)
+              coordTimes.push(times);
+            break;
+          }
+        }
+      }
+    }
+    return {
+      geometries,
+      coordTimes
+    };
+  }
+  function geometryListToGeometry(geometries) {
+    return geometries.length === 0 ? null : geometries.length === 1 ? geometries[0] : {
+      type: "GeometryCollection",
+      geometries
+    };
+  }
+  function getPlacemark(node, styleMap, schema) {
+    const { coordTimes, geometries } = getGeometry(node);
+    const feature3 = {
+      type: "Feature",
+      geometry: geometryListToGeometry(geometries),
+      properties: Object.assign(getMulti(node, [
+        "name",
+        "address",
+        "visibility",
+        "open",
+        "phoneNumber",
+        "description"
+      ]), getMaybeHTMLDescription(node), extractCascadedStyle(node, styleMap), extractStyle(node), extractExtendedData(node, schema), extractTimeSpan(node), extractTimeStamp(node), coordTimes.length ? {
+        coordinateProperties: {
+          times: coordTimes.length === 1 ? coordTimes[0] : coordTimes
+        }
+      } : {})
+    };
+    if (feature3.properties?.visibility !== void 0) {
+      feature3.properties.visibility = feature3.properties.visibility !== "0";
+    }
+    const id2 = node.getAttribute("id");
+    if (id2 !== null && id2 !== "")
+      feature3.id = id2;
+    return feature3;
+  }
+  function getGroundOverlayBox(node) {
+    const latLonQuad = get1(node, "gx:LatLonQuad");
+    if (latLonQuad) {
+      const ring = fixRing(coord(getCoordinates(node)));
+      return {
+        type: "Polygon",
+        coordinates: [ring]
+      };
+    }
+    return getLatLonBox(node);
+  }
+  var DEGREES_TO_RADIANS = Math.PI / 180;
+  function rotateBox(bbox2, coordinates, rotation) {
+    const center = [(bbox2[0] + bbox2[2]) / 2, (bbox2[1] + bbox2[3]) / 2];
+    return [
+      coordinates[0].map((coordinate) => {
+        const dy = coordinate[1] - center[1];
+        const dx = coordinate[0] - center[0];
+        const distance = Math.sqrt(Math.pow(dy, 2) + Math.pow(dx, 2));
+        const angle2 = Math.atan2(dy, dx) - rotation * DEGREES_TO_RADIANS;
+        return [
+          center[0] + Math.cos(angle2) * distance,
+          center[1] + Math.sin(angle2) * distance
+        ];
+      })
+    ];
+  }
+  function getLatLonBox(node) {
+    const latLonBox = get1(node, "LatLonBox");
+    if (latLonBox) {
+      const north = num1(latLonBox, "north");
+      const west = num1(latLonBox, "west");
+      const east = num1(latLonBox, "east");
+      const south = num1(latLonBox, "south");
+      const rotation = num1(latLonBox, "rotation");
+      if (typeof north === "number" && typeof south === "number" && typeof west === "number" && typeof east === "number") {
+        const bbox2 = [west, south, east, north];
+        let coordinates = [
+          [
+            [west, north],
+            [east, north],
+            [east, south],
+            [west, south],
+            [west, north]
+            // top left (again)
+          ]
+        ];
+        if (typeof rotation === "number") {
+          coordinates = rotateBox(bbox2, coordinates, rotation);
+        }
+        return {
+          type: "Polygon",
+          coordinates
+        };
+      }
+    }
+    return null;
+  }
+  function getGroundOverlay(node, styleMap, schema) {
+    const geometry = getGroundOverlayBox(node);
+    const feature3 = {
+      type: "Feature",
+      geometry,
+      properties: Object.assign(
+        /**
+         * Related to
+         * https://gist.github.com/tmcw/037a1cb6660d74a392e9da7446540f46
+         */
+        { "@geometry-type": "groundoverlay" },
+        getMulti(node, [
+          "name",
+          "address",
+          "visibility",
+          "open",
+          "phoneNumber",
+          "description"
+        ]),
+        getMaybeHTMLDescription(node),
+        extractCascadedStyle(node, styleMap),
+        extractStyle(node),
+        extractIconHref(node),
+        extractExtendedData(node, schema),
+        extractTimeSpan(node),
+        extractTimeStamp(node)
+      )
+    };
+    if (feature3.properties?.visibility !== void 0) {
+      feature3.properties.visibility = feature3.properties.visibility !== "0";
+    }
+    const id2 = node.getAttribute("id");
+    if (id2 !== null && id2 !== "")
+      feature3.id = id2;
+    return feature3;
+  }
+  function getStyleId(style) {
+    let id2 = style.getAttribute("id");
+    const parentNode = style.parentNode;
+    if (!id2 && isElement(parentNode) && parentNode.localName === "CascadingStyle") {
+      id2 = parentNode.getAttribute("kml:id") || parentNode.getAttribute("id");
+    }
+    return normalizeId(id2 || "");
+  }
+  function buildStyleMap(node) {
+    const styleMap = {};
+    for (const style of $(node, "Style")) {
+      styleMap[getStyleId(style)] = extractStyle(style);
+    }
+    for (const map2 of $(node, "StyleMap")) {
+      const id2 = normalizeId(map2.getAttribute("id") || "");
+      val1(map2, "styleUrl", (styleUrl) => {
+        styleUrl = normalizeId(styleUrl);
+        if (styleMap[styleUrl]) {
+          styleMap[id2] = styleMap[styleUrl];
+        }
+      });
+    }
+    return styleMap;
+  }
+  function buildSchema(node) {
+    const schema = {};
+    for (const field of $(node, "SimpleField")) {
+      schema[field.getAttribute("name") || ""] = typeConverters[field.getAttribute("type") || ""] || typeConverters["string"];
+    }
+    return schema;
+  }
+  function* kmlGen(node) {
+    const styleMap = buildStyleMap(node);
+    const schema = buildSchema(node);
+    for (const placemark of $(node, "Placemark")) {
+      const feature3 = getPlacemark(placemark, styleMap, schema);
+      if (feature3)
+        yield feature3;
+    }
+    for (const groundOverlay of $(node, "GroundOverlay")) {
+      const feature3 = getGroundOverlay(groundOverlay, styleMap, schema);
+      if (feature3)
+        yield feature3;
+    }
+  }
+  function kml(node) {
+    return {
+      type: "FeatureCollection",
+      features: Array.from(kmlGen(node))
+    };
+  }
+
+  // modules/svg/data.js
+  var _initialized = false;
+  var _enabled = false;
+  var _geojson;
+  function svgData(projection2, context, dispatch10) {
+    var throttledRedraw = throttle_default(function() {
+      dispatch10.call("change");
+    }, 1e3);
+    var _showLabels = true;
+    var detected = utilDetect();
+    var layer = select_default2(null);
+    var _vtService;
+    var _fileList;
+    var _template;
+    var _src;
+    function init2() {
+      if (_initialized)
+        return;
+      _geojson = {};
+      _enabled = true;
+      function over(d3_event) {
+        d3_event.stopPropagation();
+        d3_event.preventDefault();
+        d3_event.dataTransfer.dropEffect = "copy";
+      }
+      context.container().attr("dropzone", "copy").on("drop.svgData", function(d3_event) {
+        d3_event.stopPropagation();
+        d3_event.preventDefault();
+        if (!detected.filedrop)
+          return;
+        drawData.fileList(d3_event.dataTransfer.files);
+      }).on("dragenter.svgData", over).on("dragexit.svgData", over).on("dragover.svgData", over);
+      _initialized = true;
+    }
+    function getService() {
+      if (services.vectorTile && !_vtService) {
+        _vtService = services.vectorTile;
+        _vtService.event.on("loadedData", throttledRedraw);
+      } else if (!services.vectorTile && _vtService) {
+        _vtService = null;
+      }
+      return _vtService;
+    }
+    function showLayer() {
+      layerOn();
+      layer.style("opacity", 0).transition().duration(250).style("opacity", 1).on("end", function() {
+        dispatch10.call("change");
+      });
+    }
+    function hideLayer() {
+      throttledRedraw.cancel();
+      layer.transition().duration(250).style("opacity", 0).on("end", layerOff);
+    }
+    function layerOn() {
+      layer.style("display", "block");
+    }
+    function layerOff() {
+      layer.selectAll(".viewfield-group").remove();
+      layer.style("display", "none");
+    }
+    function ensureIDs(gj) {
+      if (!gj)
+        return null;
+      if (gj.type === "FeatureCollection") {
+        for (var i2 = 0; i2 < gj.features.length; i2++) {
+          ensureFeatureID(gj.features[i2]);
+        }
+      } else {
+        ensureFeatureID(gj);
+      }
+      return gj;
+    }
+    function ensureFeatureID(feature3) {
+      if (!feature3)
+        return;
+      feature3.__featurehash__ = utilHashcode((0, import_fast_json_stable_stringify.default)(feature3));
+      return feature3;
+    }
+    function getFeatures(gj) {
+      if (!gj)
+        return [];
+      if (gj.type === "FeatureCollection") {
+        return gj.features;
+      } else {
+        return [gj];
+      }
+    }
+    function featureKey(d) {
+      return d.__featurehash__;
+    }
+    function isPolygon(d) {
+      return d.geometry.type === "Polygon" || d.geometry.type === "MultiPolygon";
+    }
+    function clipPathID(d) {
+      return "ideditor-data-" + d.__featurehash__ + "-clippath";
+    }
+    function featureClasses(d) {
+      return [
+        "data" + d.__featurehash__,
+        d.geometry.type,
+        isPolygon(d) ? "area" : "",
+        d.__layerID__ || ""
+      ].filter(Boolean).join(" ");
+    }
+    function drawData(selection2) {
+      var vtService = getService();
+      var getPath = svgPath(projection2).geojson;
+      var getAreaPath = svgPath(projection2, null, true).geojson;
+      var hasData = drawData.hasData();
+      layer = selection2.selectAll(".layer-mapdata").data(_enabled && hasData ? [0] : []);
+      layer.exit().remove();
+      layer = layer.enter().append("g").attr("class", "layer-mapdata").merge(layer);
+      var surface = context.surface();
+      if (!surface || surface.empty())
+        return;
+      var geoData, polygonData;
+      if (_template && vtService) {
+        var sourceID = _template;
+        vtService.loadTiles(sourceID, _template, projection2);
+        geoData = vtService.data(sourceID, projection2);
+      } else {
+        geoData = getFeatures(_geojson);
+      }
+      geoData = geoData.filter(getPath);
+      polygonData = geoData.filter(isPolygon);
+      var clipPaths = surface.selectAll("defs").selectAll(".clipPath-data").data(polygonData, featureKey);
+      clipPaths.exit().remove();
+      var clipPathsEnter = clipPaths.enter().append("clipPath").attr("class", "clipPath-data").attr("id", clipPathID);
+      clipPathsEnter.append("path");
+      clipPaths.merge(clipPathsEnter).selectAll("path").attr("d", getAreaPath);
+      var datagroups = layer.selectAll("g.datagroup").data(["fill", "shadow", "stroke"]);
+      datagroups = datagroups.enter().append("g").attr("class", function(d) {
+        return "datagroup datagroup-" + d;
+      }).merge(datagroups);
+      var pathData = {
+        fill: polygonData,
+        shadow: geoData,
+        stroke: geoData
+      };
+      var paths = datagroups.selectAll("path").data(function(layer2) {
+        return pathData[layer2];
+      }, featureKey);
+      paths.exit().remove();
+      paths = paths.enter().append("path").attr("class", function(d) {
+        var datagroup = this.parentNode.__data__;
+        return "pathdata " + datagroup + " " + featureClasses(d);
+      }).attr("clip-path", function(d) {
+        var datagroup = this.parentNode.__data__;
+        return datagroup === "fill" ? "url(#" + clipPathID(d) + ")" : null;
+      }).merge(paths).attr("d", function(d) {
+        var datagroup = this.parentNode.__data__;
+        return datagroup === "fill" ? getAreaPath(d) : getPath(d);
+      });
+      layer.call(drawLabels, "label-halo", geoData).call(drawLabels, "label", geoData);
+      function drawLabels(selection3, textClass, data) {
+        var labelPath = path_default(projection2);
+        var labelData = data.filter(function(d) {
+          return _showLabels && d.properties && (d.properties.desc || d.properties.name);
+        });
+        var labels = selection3.selectAll("text." + textClass).data(labelData, featureKey);
+        labels.exit().remove();
+        labels = labels.enter().append("text").attr("class", function(d) {
+          return textClass + " " + featureClasses(d);
+        }).merge(labels).text(function(d) {
+          return d.properties.desc || d.properties.name;
+        }).attr("x", function(d) {
+          var centroid = labelPath.centroid(d);
+          return centroid[0] + 11;
+        }).attr("y", function(d) {
+          var centroid = labelPath.centroid(d);
+          return centroid[1];
+        });
+      }
+    }
+    function getExtension(fileName) {
+      if (!fileName)
+        return;
+      var re2 = /\.(gpx|kml|(geo)?json)$/i;
+      var match = fileName.toLowerCase().match(re2);
+      return match && match.length && match[0];
+    }
+    function xmlToDom(textdata) {
+      return new DOMParser().parseFromString(textdata, "text/xml");
+    }
+    function stringifyGeojsonProperties(feature3) {
+      const properties = feature3.properties;
+      for (const key in properties) {
+        const property = properties[key];
+        if (typeof property === "number" || typeof property === "boolean" || Array.isArray(property)) {
+          properties[key] = property.toString();
+        } else if (property === null) {
+          properties[key] = "null";
+        } else if (typeof property === "object") {
+          properties[key] = JSON.stringify(property);
+        }
+      }
+    }
+    drawData.setFile = function(extension, data) {
+      _template = null;
+      _fileList = null;
+      _geojson = null;
+      _src = null;
+      var gj;
+      switch (extension) {
+        case ".gpx":
+          gj = gpx(xmlToDom(data));
+          break;
+        case ".kml":
+          gj = kml(xmlToDom(data));
+          break;
+        case ".geojson":
+        case ".json":
+          gj = JSON.parse(data);
+          if (gj.type === "FeatureCollection") {
+            gj.features.forEach(stringifyGeojsonProperties);
+          } else if (gj.type === "Feature") {
+            stringifyGeojsonProperties(gj);
+          }
+          break;
+      }
+      gj = gj || {};
+      if (Object.keys(gj).length) {
+        _geojson = ensureIDs(gj);
+        _src = extension + " data file";
+        this.fitZoom();
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawData.showLabels = function(val) {
+      if (!arguments.length)
+        return _showLabels;
+      _showLabels = val;
+      return this;
+    };
+    drawData.enabled = function(val) {
+      if (!arguments.length)
+        return _enabled;
+      _enabled = val;
+      if (_enabled) {
+        showLayer();
+      } else {
+        hideLayer();
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawData.hasData = function() {
+      var gj = _geojson || {};
+      return !!(_template || Object.keys(gj).length);
+    };
+    drawData.template = function(val, src) {
+      if (!arguments.length)
+        return _template;
+      var osm = context.connection();
+      if (osm) {
+        var blocklists = osm.imageryBlocklists();
+        var fail = false;
+        var tested = 0;
+        var regex;
+        for (var i2 = 0; i2 < blocklists.length; i2++) {
+          regex = blocklists[i2];
+          fail = regex.test(val);
+          tested++;
+          if (fail)
+            break;
+        }
+        if (!tested) {
+          regex = /.*\.google(apis)?\..*\/(vt|kh)[\?\/].*([xyz]=.*){3}.*/;
+          fail = regex.test(val);
+        }
+      }
+      _template = val;
+      _fileList = null;
+      _geojson = null;
+      _src = src || "vectortile:" + val.split(/[?#]/)[0];
+      dispatch10.call("change");
+      return this;
+    };
+    drawData.geojson = function(gj, src) {
+      if (!arguments.length)
+        return _geojson;
+      _template = null;
+      _fileList = null;
+      _geojson = null;
+      _src = null;
+      gj = gj || {};
+      if (Object.keys(gj).length) {
+        _geojson = ensureIDs(gj);
+        _src = src || "unknown.geojson";
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawData.fileList = function(fileList) {
+      if (!arguments.length)
+        return _fileList;
+      _template = null;
+      _fileList = fileList;
+      _geojson = null;
+      _src = null;
+      if (!fileList || !fileList.length)
+        return this;
+      var f2 = fileList[0];
+      var extension = getExtension(f2.name);
+      var reader = new FileReader();
+      reader.onload = function() {
+        return function(e) {
+          drawData.setFile(extension, e.target.result);
+        };
+      }(f2);
+      reader.readAsText(f2);
+      return this;
+    };
+    drawData.url = function(url, defaultExtension) {
+      _template = null;
+      _fileList = null;
+      _geojson = null;
+      _src = null;
+      var testUrl = url.split(/[?#]/)[0];
+      var extension = getExtension(testUrl) || defaultExtension;
+      if (extension) {
+        _template = null;
+        text_default3(url).then(function(data) {
+          drawData.setFile(extension, data);
+        }).catch(function() {
+        });
+      } else {
+        drawData.template(url);
+      }
+      return this;
+    };
+    drawData.getSrc = function() {
+      return _src || "";
+    };
+    drawData.fitZoom = function() {
+      var features = getFeatures(_geojson);
+      if (!features.length)
+        return;
+      var map2 = context.map();
+      var viewport = map2.trimmedExtent().polygon();
+      var coords = features.reduce(function(coords2, feature3) {
+        var geom = feature3.geometry;
+        if (!geom)
+          return coords2;
+        var c = geom.coordinates;
+        switch (geom.type) {
+          case "Point":
+            c = [c];
+          case "MultiPoint":
+          case "LineString":
+            break;
+          case "MultiPolygon":
+            c = utilArrayFlatten(c);
+          case "Polygon":
+          case "MultiLineString":
+            c = utilArrayFlatten(c);
+            break;
+        }
+        return utilArrayUnion(coords2, c);
+      }, []);
+      if (!geoPolygonIntersectsPolygon(viewport, coords, true)) {
+        var extent = geoExtent(bounds_default({ type: "LineString", coordinates: coords }));
+        map2.centerZoom(extent.center(), map2.trimmedExtentZoom(extent));
+      }
+      return this;
+    };
+    init2();
+    return drawData;
+  }
+
+  // modules/svg/debug.js
+  function svgDebug(projection2, context) {
+    function drawDebug(selection2) {
+      const showTile = context.getDebug("tile");
+      const showCollision = context.getDebug("collision");
+      const showImagery = context.getDebug("imagery");
+      const showTouchTargets = context.getDebug("target");
+      const showDownloaded = context.getDebug("downloaded");
+      let debugData = [];
+      if (showTile) {
+        debugData.push({ class: "red", label: "tile" });
+      }
+      if (showCollision) {
+        debugData.push({ class: "yellow", label: "collision" });
+      }
+      if (showImagery) {
+        debugData.push({ class: "orange", label: "imagery" });
+      }
+      if (showTouchTargets) {
+        debugData.push({ class: "pink", label: "touchTargets" });
+      }
+      if (showDownloaded) {
+        debugData.push({ class: "purple", label: "downloaded" });
+      }
+      let legend = context.container().select(".main-content").selectAll(".debug-legend").data(debugData.length ? [0] : []);
+      legend.exit().remove();
+      legend = legend.enter().append("div").attr("class", "fillD debug-legend").merge(legend);
+      let legendItems = legend.selectAll(".debug-legend-item").data(debugData, (d) => d.label);
+      legendItems.exit().remove();
+      legendItems.enter().append("span").attr("class", (d) => `debug-legend-item ${d.class}`).text((d) => d.label);
+      let layer = selection2.selectAll(".layer-debug").data(showImagery || showDownloaded ? [0] : []);
+      layer.exit().remove();
+      layer = layer.enter().append("g").attr("class", "layer-debug").merge(layer);
+      const extent = context.map().extent();
+      _mainFileFetcher.get("imagery").then((d) => {
+        const hits = showImagery && d.query.bbox(extent.rectangle(), true) || [];
+        const features = hits.map((d2) => d2.features[d2.id]);
+        let imagery = layer.selectAll("path.debug-imagery").data(features);
+        imagery.exit().remove();
+        imagery.enter().append("path").attr("class", "debug-imagery debug orange");
+      }).catch(() => {
+      });
+      const osm = context.connection();
+      let dataDownloaded = [];
+      if (osm && showDownloaded) {
+        const rtree = osm.caches("get").tile.rtree;
+        dataDownloaded = rtree.all().map((bbox2) => {
+          return {
+            type: "Feature",
+            properties: { id: bbox2.id },
+            geometry: {
+              type: "Polygon",
+              coordinates: [[
+                [bbox2.minX, bbox2.minY],
+                [bbox2.minX, bbox2.maxY],
+                [bbox2.maxX, bbox2.maxY],
+                [bbox2.maxX, bbox2.minY],
+                [bbox2.minX, bbox2.minY]
+              ]]
+            }
+          };
+        });
+      }
+      let downloaded = layer.selectAll("path.debug-downloaded").data(showDownloaded ? dataDownloaded : []);
+      downloaded.exit().remove();
+      downloaded.enter().append("path").attr("class", "debug-downloaded debug purple");
+      layer.selectAll("path").attr("d", svgPath(projection2).geojson);
+    }
+    drawDebug.enabled = function() {
+      if (!arguments.length) {
+        return context.getDebug("tile") || context.getDebug("collision") || context.getDebug("imagery") || context.getDebug("target") || context.getDebug("downloaded");
+      } else {
+        return this;
+      }
+    };
+    return drawDebug;
+  }
+
+  // modules/svg/defs.js
+  function svgDefs(context) {
+    var _defsSelection = select_default2(null);
+    var _spritesheetIds = [
+      "iD-sprite",
+      "maki-sprite",
+      "temaki-sprite",
+      "fa-sprite",
+      "roentgen-sprite",
+      "community-sprite"
+    ];
+    function drawDefs(selection2) {
+      _defsSelection = selection2.append("defs");
+      _defsSelection.append("marker").attr("id", "ideditor-oneway-marker").attr("viewBox", "0 0 10 5").attr("refX", 2.5).attr("refY", 2.5).attr("markerWidth", 2).attr("markerHeight", 2).attr("markerUnits", "strokeWidth").attr("orient", "auto").append("path").attr("class", "oneway-marker-path").attr("d", "M 5,3 L 0,3 L 0,2 L 5,2 L 5,0 L 10,2.5 L 5,5 z").attr("stroke", "none").attr("fill", "#000").attr("opacity", "0.75");
+      function addSidedMarker(name, color2, offset) {
+        _defsSelection.append("marker").attr("id", "ideditor-sided-marker-" + name).attr("viewBox", "0 0 2 2").attr("refX", 1).attr("refY", -offset).attr("markerWidth", 1.5).attr("markerHeight", 1.5).attr("markerUnits", "strokeWidth").attr("orient", "auto").append("path").attr("class", "sided-marker-path sided-marker-" + name + "-path").attr("d", "M 0,0 L 1,1 L 2,0 z").attr("stroke", "none").attr("fill", color2);
+      }
+      addSidedMarker("natural", "rgb(170, 170, 170)", 0);
+      addSidedMarker("coastline", "#77dede", 1);
+      addSidedMarker("waterway", "#77dede", 1);
+      addSidedMarker("barrier", "#ddd", 1);
+      addSidedMarker("man_made", "#fff", 0);
+      _defsSelection.append("marker").attr("id", "ideditor-viewfield-marker").attr("viewBox", "0 0 16 16").attr("refX", 8).attr("refY", 16).attr("markerWidth", 4).attr("markerHeight", 4).attr("markerUnits", "strokeWidth").attr("orient", "auto").append("path").attr("class", "viewfield-marker-path").attr("d", "M 6,14 C 8,13.4 8,13.4 10,14 L 16,3 C 12,0 4,0 0,3 z").attr("fill", "#333").attr("fill-opacity", "0.75").attr("stroke", "#fff").attr("stroke-width", "0.5px").attr("stroke-opacity", "0.75");
+      _defsSelection.append("marker").attr("id", "ideditor-viewfield-marker-wireframe").attr("viewBox", "0 0 16 16").attr("refX", 8).attr("refY", 16).attr("markerWidth", 4).attr("markerHeight", 4).attr("markerUnits", "strokeWidth").attr("orient", "auto").append("path").attr("class", "viewfield-marker-path").attr("d", "M 6,14 C 8,13.4 8,13.4 10,14 L 16,3 C 12,0 4,0 0,3 z").attr("fill", "none").attr("stroke", "#fff").attr("stroke-width", "0.5px").attr("stroke-opacity", "0.75");
+      var patterns2 = _defsSelection.selectAll("pattern").data([
+        // pattern name, pattern image name
+        ["beach", "dots"],
+        ["construction", "construction"],
+        ["cemetery", "cemetery"],
+        ["cemetery_christian", "cemetery_christian"],
+        ["cemetery_buddhist", "cemetery_buddhist"],
+        ["cemetery_muslim", "cemetery_muslim"],
+        ["cemetery_jewish", "cemetery_jewish"],
+        ["farmland", "farmland"],
+        ["farmyard", "farmyard"],
+        ["forest", "forest"],
+        ["forest_broadleaved", "forest_broadleaved"],
+        ["forest_needleleaved", "forest_needleleaved"],
+        ["forest_leafless", "forest_leafless"],
+        ["golf_green", "grass"],
+        ["grass", "grass"],
+        ["landfill", "landfill"],
+        ["meadow", "grass"],
+        ["orchard", "orchard"],
+        ["pond", "pond"],
+        ["quarry", "quarry"],
+        ["scrub", "bushes"],
+        ["vineyard", "vineyard"],
+        ["water_standing", "lines"],
+        ["waves", "waves"],
+        ["wetland", "wetland"],
+        ["wetland_marsh", "wetland_marsh"],
+        ["wetland_swamp", "wetland_swamp"],
+        ["wetland_bog", "wetland_bog"],
+        ["wetland_reedbed", "wetland_reedbed"]
+      ]).enter().append("pattern").attr("id", function(d) {
+        return "ideditor-pattern-" + d[0];
+      }).attr("width", 32).attr("height", 32).attr("patternUnits", "userSpaceOnUse");
+      patterns2.append("rect").attr("x", 0).attr("y", 0).attr("width", 32).attr("height", 32).attr("class", function(d) {
+        return "pattern-color-" + d[0];
+      });
+      patterns2.append("image").attr("x", 0).attr("y", 0).attr("width", 32).attr("height", 32).attr("xlink:href", function(d) {
+        return context.imagePath("pattern/" + d[1] + ".png");
+      });
+      _defsSelection.selectAll("clipPath").data([12, 18, 20, 32, 45]).enter().append("clipPath").attr("id", function(d) {
+        return "ideditor-clip-square-" + d;
+      }).append("rect").attr("x", 0).attr("y", 0).attr("width", function(d) {
+        return d;
+      }).attr("height", function(d) {
+        return d;
+      });
+      addSprites(_spritesheetIds, true);
+    }
+    function addSprites(ids, overrideColors) {
+      _spritesheetIds = utilArrayUniq(_spritesheetIds.concat(ids));
+      var spritesheets = _defsSelection.selectAll(".spritesheet").data(_spritesheetIds);
+      spritesheets.enter().append("g").attr("class", function(d) {
+        return "spritesheet spritesheet-" + d;
+      }).each(function(d) {
+        var url = context.imagePath(d + ".svg");
+        var node = select_default2(this).node();
+        svg(url).then(function(svg2) {
+          node.appendChild(
+            select_default2(svg2.documentElement).attr("id", "ideditor-" + d).node()
+          );
+          if (overrideColors && d !== "iD-sprite") {
+            select_default2(node).selectAll("path").attr("fill", "currentColor");
+          }
+        }).catch(function() {
+        });
+      });
+      spritesheets.exit().remove();
+    }
+    drawDefs.addSprites = addSprites;
+    return drawDefs;
+  }
+
+  // modules/svg/keepRight.js
+  var _layerEnabled = false;
+  var _qaService;
+  function svgKeepRight(projection2, context, dispatch10) {
+    const throttledRedraw = throttle_default(() => dispatch10.call("change"), 1e3);
+    const minZoom3 = 12;
+    let touchLayer = select_default2(null);
+    let drawLayer = select_default2(null);
+    let layerVisible = false;
+    function markerPath(selection2, klass) {
+      selection2.attr("class", klass).attr("transform", "translate(-4, -24)").attr("d", "M11.6,6.2H7.1l1.4-5.1C8.6,0.6,8.1,0,7.5,0H2.2C1.7,0,1.3,0.3,1.3,0.8L0,10.2c-0.1,0.6,0.4,1.1,0.9,1.1h4.6l-1.8,7.6C3.6,19.4,4.1,20,4.7,20c0.3,0,0.6-0.2,0.8-0.5l6.9-11.9C12.7,7,12.3,6.2,11.6,6.2z");
+    }
+    function getService() {
+      if (services.keepRight && !_qaService) {
+        _qaService = services.keepRight;
+        _qaService.on("loaded", throttledRedraw);
+      } else if (!services.keepRight && _qaService) {
+        _qaService = null;
+      }
+      return _qaService;
+    }
+    function editOn() {
+      if (!layerVisible) {
+        layerVisible = true;
+        drawLayer.style("display", "block");
+      }
+    }
+    function editOff() {
+      if (layerVisible) {
+        layerVisible = false;
+        drawLayer.style("display", "none");
+        drawLayer.selectAll(".qaItem.keepRight").remove();
+        touchLayer.selectAll(".qaItem.keepRight").remove();
+      }
+    }
+    function layerOn() {
+      editOn();
+      drawLayer.style("opacity", 0).transition().duration(250).style("opacity", 1).on("end interrupt", () => dispatch10.call("change"));
+    }
+    function layerOff() {
+      throttledRedraw.cancel();
+      drawLayer.interrupt();
+      touchLayer.selectAll(".qaItem.keepRight").remove();
+      drawLayer.transition().duration(250).style("opacity", 0).on("end interrupt", () => {
+        editOff();
+        dispatch10.call("change");
+      });
+    }
+    function updateMarkers() {
+      if (!layerVisible || !_layerEnabled)
+        return;
+      const service = getService();
+      const selectedID = context.selectedErrorID();
+      const data = service ? service.getItems(projection2) : [];
+      const getTransform = svgPointTransform(projection2);
+      const markers = drawLayer.selectAll(".qaItem.keepRight").data(data, (d) => d.id);
+      markers.exit().remove();
+      const markersEnter = markers.enter().append("g").attr("class", (d) => `qaItem ${d.service} itemId-${d.id} itemType-${d.parentIssueType}`);
+      markersEnter.append("ellipse").attr("cx", 0.5).attr("cy", 1).attr("rx", 6.5).attr("ry", 3).attr("class", "stroke");
+      markersEnter.append("path").call(markerPath, "shadow");
+      markersEnter.append("use").attr("class", "qaItem-fill").attr("width", "20px").attr("height", "20px").attr("x", "-8px").attr("y", "-22px").attr("xlink:href", "#iD-icon-bolt");
+      markers.merge(markersEnter).sort(sortY).classed("selected", (d) => d.id === selectedID).attr("transform", getTransform);
+      if (touchLayer.empty())
+        return;
+      const fillClass = context.getDebug("target") ? "pink " : "nocolor ";
+      const targets = touchLayer.selectAll(".qaItem.keepRight").data(data, (d) => d.id);
+      targets.exit().remove();
+      targets.enter().append("rect").attr("width", "20px").attr("height", "20px").attr("x", "-8px").attr("y", "-22px").merge(targets).sort(sortY).attr("class", (d) => `qaItem ${d.service} target ${fillClass} itemId-${d.id}`).attr("transform", getTransform);
+      function sortY(a, b) {
+        return a.id === selectedID ? 1 : b.id === selectedID ? -1 : a.severity === "error" && b.severity !== "error" ? 1 : b.severity === "error" && a.severity !== "error" ? -1 : b.loc[1] - a.loc[1];
+      }
+    }
+    function drawKeepRight(selection2) {
+      const service = getService();
+      const surface = context.surface();
+      if (surface && !surface.empty()) {
+        touchLayer = surface.selectAll(".data-layer.touch .layer-touch.markers");
+      }
+      drawLayer = selection2.selectAll(".layer-keepRight").data(service ? [0] : []);
+      drawLayer.exit().remove();
+      drawLayer = drawLayer.enter().append("g").attr("class", "layer-keepRight").style("display", _layerEnabled ? "block" : "none").merge(drawLayer);
+      if (_layerEnabled) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          service.loadIssues(projection2);
+          updateMarkers();
+        } else {
+          editOff();
+        }
+      }
+    }
+    drawKeepRight.enabled = function(val) {
+      if (!arguments.length)
+        return _layerEnabled;
+      _layerEnabled = val;
+      if (_layerEnabled) {
+        layerOn();
+      } else {
+        layerOff();
+        if (context.selectedErrorID()) {
+          context.enter(modeBrowse(context));
+        }
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawKeepRight.supported = () => !!getService();
+    return drawKeepRight;
+  }
+
+  // modules/svg/geolocate.js
+  function svgGeolocate(projection2) {
+    var layer = select_default2(null);
+    var _position;
+    function init2() {
+      if (svgGeolocate.initialized)
+        return;
+      svgGeolocate.enabled = false;
+      svgGeolocate.initialized = true;
+    }
+    function showLayer() {
+      layer.style("display", "block");
+    }
+    function hideLayer() {
+      layer.transition().duration(250).style("opacity", 0);
+    }
+    function layerOn() {
+      layer.style("opacity", 0).transition().duration(250).style("opacity", 1);
+    }
+    function layerOff() {
+      layer.style("display", "none");
+    }
+    function transform2(d) {
+      return svgPointTransform(projection2)(d);
+    }
+    function accuracy(accuracy2, loc) {
+      var degreesRadius = geoMetersToLat(accuracy2), tangentLoc = [loc[0], loc[1] + degreesRadius], projectedTangent = projection2(tangentLoc), projectedLoc = projection2([loc[0], loc[1]]);
+      return Math.round(projectedLoc[1] - projectedTangent[1]).toString();
+    }
+    function update() {
+      var geolocation = { loc: [_position.coords.longitude, _position.coords.latitude] };
+      var groups = layer.selectAll(".geolocations").selectAll(".geolocation").data([geolocation]);
+      groups.exit().remove();
+      var pointsEnter = groups.enter().append("g").attr("class", "geolocation");
+      pointsEnter.append("circle").attr("class", "geolocate-radius").attr("dx", "0").attr("dy", "0").attr("fill", "rgb(15,128,225)").attr("fill-opacity", "0.3").attr("r", "0");
+      pointsEnter.append("circle").attr("dx", "0").attr("dy", "0").attr("fill", "rgb(15,128,225)").attr("stroke", "white").attr("stroke-width", "1.5").attr("r", "6");
+      groups.merge(pointsEnter).attr("transform", transform2);
+      layer.select(".geolocate-radius").attr("r", accuracy(_position.coords.accuracy, geolocation.loc));
+    }
+    function drawLocation(selection2) {
+      var enabled = svgGeolocate.enabled;
+      layer = selection2.selectAll(".layer-geolocate").data([0]);
+      layer.exit().remove();
+      var layerEnter = layer.enter().append("g").attr("class", "layer-geolocate").style("display", enabled ? "block" : "none");
+      layerEnter.append("g").attr("class", "geolocations");
+      layer = layerEnter.merge(layer);
+      if (enabled) {
+        update();
+      } else {
+        layerOff();
+      }
+    }
+    drawLocation.enabled = function(position, enabled) {
+      if (!arguments.length)
+        return svgGeolocate.enabled;
+      _position = position;
+      svgGeolocate.enabled = enabled;
+      if (svgGeolocate.enabled) {
+        showLayer();
+        layerOn();
+      } else {
+        hideLayer();
+      }
+      return this;
+    };
+    init2();
+    return drawLocation;
+  }
+
+  // modules/svg/labels.js
+  var import_rbush6 = __toESM(require_rbush_min());
+  function svgLabels(projection2, context) {
+    var path = path_default(projection2);
+    var detected = utilDetect();
+    var baselineHack = detected.ie || detected.browser.toLowerCase() === "edge" || detected.browser.toLowerCase() === "firefox" && detected.version >= 70;
+    var _rdrawn = new import_rbush6.default();
+    var _rskipped = new import_rbush6.default();
+    var _textWidthCache = {};
+    var _entitybboxes = {};
+    var labelStack = [
+      ["line", "aeroway", "*", 12],
+      ["line", "highway", "motorway", 12],
+      ["line", "highway", "trunk", 12],
+      ["line", "highway", "primary", 12],
+      ["line", "highway", "secondary", 12],
+      ["line", "highway", "tertiary", 12],
+      ["line", "highway", "*", 12],
+      ["line", "railway", "*", 12],
+      ["line", "waterway", "*", 12],
+      ["area", "aeroway", "*", 12],
+      ["area", "amenity", "*", 12],
+      ["area", "building", "*", 12],
+      ["area", "historic", "*", 12],
+      ["area", "leisure", "*", 12],
+      ["area", "man_made", "*", 12],
+      ["area", "natural", "*", 12],
+      ["area", "shop", "*", 12],
+      ["area", "tourism", "*", 12],
+      ["area", "camp_site", "*", 12],
+      ["point", "aeroway", "*", 10],
+      ["point", "amenity", "*", 10],
+      ["point", "building", "*", 10],
+      ["point", "historic", "*", 10],
+      ["point", "leisure", "*", 10],
+      ["point", "man_made", "*", 10],
+      ["point", "natural", "*", 10],
+      ["point", "shop", "*", 10],
+      ["point", "tourism", "*", 10],
+      ["point", "camp_site", "*", 10],
+      ["line", "ref", "*", 12],
+      ["area", "ref", "*", 12],
+      ["point", "ref", "*", 10],
+      ["line", "name", "*", 12],
+      ["area", "name", "*", 12],
+      ["point", "name", "*", 10]
+    ];
+    function shouldSkipIcon(preset) {
+      var noIcons = ["building", "landuse", "natural"];
+      return noIcons.some(function(s) {
+        return preset.id.indexOf(s) >= 0;
+      });
+    }
+    function get4(array2, prop) {
+      return function(d, i2) {
+        return array2[i2][prop];
+      };
+    }
+    function textWidth(text2, size, elem) {
+      var c = _textWidthCache[size];
+      if (!c)
+        c = _textWidthCache[size] = {};
+      if (c[text2]) {
+        return c[text2];
+      } else if (elem) {
+        c[text2] = elem.getComputedTextLength();
+        return c[text2];
+      } else {
+        var str2 = encodeURIComponent(text2).match(/%[CDEFcdef]/g);
+        if (str2 === null) {
+          return size / 3 * 2 * text2.length;
+        } else {
+          return size / 3 * (2 * text2.length + str2.length);
+        }
+      }
+    }
+    function drawLinePaths(selection2, entities, filter2, classes, labels) {
+      var paths = selection2.selectAll("path").filter(filter2).data(entities, osmEntity.key);
+      paths.exit().remove();
+      paths.enter().append("path").style("stroke-width", get4(labels, "font-size")).attr("id", function(d) {
+        return "ideditor-labelpath-" + d.id;
+      }).attr("class", classes).merge(paths).attr("d", get4(labels, "lineString"));
+    }
+    function drawLineLabels(selection2, entities, filter2, classes, labels) {
+      var texts = selection2.selectAll("text." + classes).filter(filter2).data(entities, osmEntity.key);
+      texts.exit().remove();
+      texts.enter().append("text").attr("class", function(d, i2) {
+        return classes + " " + labels[i2].classes + " " + d.id;
+      }).attr("dy", baselineHack ? "0.35em" : null).append("textPath").attr("class", "textpath");
+      selection2.selectAll("text." + classes).selectAll(".textpath").filter(filter2).data(entities, osmEntity.key).attr("startOffset", "50%").attr("xlink:href", function(d) {
+        return "#ideditor-labelpath-" + d.id;
+      }).text(utilDisplayNameForPath);
+    }
+    function drawPointLabels(selection2, entities, filter2, classes, labels) {
+      var texts = selection2.selectAll("text." + classes).filter(filter2).data(entities, osmEntity.key);
+      texts.exit().remove();
+      texts.enter().append("text").attr("class", function(d, i2) {
+        return classes + " " + labels[i2].classes + " " + d.id;
+      }).merge(texts).attr("x", get4(labels, "x")).attr("y", get4(labels, "y")).style("text-anchor", get4(labels, "textAnchor")).text(utilDisplayName).each(function(d, i2) {
+        textWidth(utilDisplayName(d), labels[i2].height, this);
+      });
+    }
+    function drawAreaLabels(selection2, entities, filter2, classes, labels) {
+      entities = entities.filter(hasText);
+      labels = labels.filter(hasText);
+      drawPointLabels(selection2, entities, filter2, classes, labels);
+      function hasText(d, i2) {
+        return labels[i2].hasOwnProperty("x") && labels[i2].hasOwnProperty("y");
+      }
+    }
+    function drawAreaIcons(selection2, entities, filter2, classes, labels) {
+      var icons = selection2.selectAll("use." + classes).filter(filter2).data(entities, osmEntity.key);
+      icons.exit().remove();
+      icons.enter().append("use").attr("class", "icon " + classes).attr("width", "17px").attr("height", "17px").merge(icons).attr("transform", get4(labels, "transform")).attr("xlink:href", function(d) {
+        var preset = _mainPresetIndex.match(d, context.graph());
+        var picon = preset && preset.icon;
+        return picon ? "#" + picon : "";
+      });
+    }
+    function drawCollisionBoxes(selection2, rtree, which) {
+      var classes = "debug " + which + " " + (which === "debug-skipped" ? "orange" : "yellow");
+      var gj = [];
+      if (context.getDebug("collision")) {
+        gj = rtree.all().map(function(d) {
+          return { type: "Polygon", coordinates: [[
+            [d.minX, d.minY],
+            [d.maxX, d.minY],
+            [d.maxX, d.maxY],
+            [d.minX, d.maxY],
+            [d.minX, d.minY]
+          ]] };
+        });
+      }
+      var boxes = selection2.selectAll("." + which).data(gj);
+      boxes.exit().remove();
+      boxes.enter().append("path").attr("class", classes).merge(boxes).attr("d", path_default());
+    }
+    function drawLabels(selection2, graph, entities, filter2, dimensions, fullRedraw) {
+      var wireframe = context.surface().classed("fill-wireframe");
+      var zoom = geoScaleToZoom(projection2.scale());
+      var labelable = [];
+      var renderNodeAs = {};
+      var i2, j2, k, entity, geometry;
+      for (i2 = 0; i2 < labelStack.length; i2++) {
+        labelable.push([]);
+      }
+      if (fullRedraw) {
+        _rdrawn.clear();
+        _rskipped.clear();
+        _entitybboxes = {};
+      } else {
+        for (i2 = 0; i2 < entities.length; i2++) {
+          entity = entities[i2];
+          var toRemove = [].concat(_entitybboxes[entity.id] || []).concat(_entitybboxes[entity.id + "I"] || []);
+          for (j2 = 0; j2 < toRemove.length; j2++) {
+            _rdrawn.remove(toRemove[j2]);
+            _rskipped.remove(toRemove[j2]);
+          }
+        }
+      }
+      for (i2 = 0; i2 < entities.length; i2++) {
+        entity = entities[i2];
+        geometry = entity.geometry(graph);
+        if (geometry === "point" || geometry === "vertex" && isInterestingVertex(entity)) {
+          var hasDirections = entity.directions(graph, projection2).length;
+          var markerPadding;
+          if (!wireframe && geometry === "point" && !(zoom >= 18 && hasDirections)) {
+            renderNodeAs[entity.id] = "point";
+            markerPadding = 20;
+          } else {
+            renderNodeAs[entity.id] = "vertex";
+            markerPadding = 0;
+          }
+          var coord2 = projection2(entity.loc);
+          var nodePadding = 10;
+          var bbox2 = {
+            minX: coord2[0] - nodePadding,
+            minY: coord2[1] - nodePadding - markerPadding,
+            maxX: coord2[0] + nodePadding,
+            maxY: coord2[1] + nodePadding
+          };
+          doInsert(bbox2, entity.id + "P");
+        }
+        if (geometry === "vertex") {
+          geometry = "point";
+        }
+        var preset = geometry === "area" && _mainPresetIndex.match(entity, graph);
+        var icon2 = preset && !shouldSkipIcon(preset) && preset.icon;
+        if (!icon2 && !utilDisplayName(entity))
+          continue;
+        for (k = 0; k < labelStack.length; k++) {
+          var matchGeom = labelStack[k][0];
+          var matchKey = labelStack[k][1];
+          var matchVal = labelStack[k][2];
+          var hasVal = entity.tags[matchKey];
+          if (geometry === matchGeom && hasVal && (matchVal === "*" || matchVal === hasVal)) {
+            labelable[k].push(entity);
+            break;
+          }
+        }
+      }
+      var positions = {
+        point: [],
+        line: [],
+        area: []
+      };
+      var labelled = {
+        point: [],
+        line: [],
+        area: []
+      };
+      for (k = 0; k < labelable.length; k++) {
+        var fontSize = labelStack[k][3];
+        for (i2 = 0; i2 < labelable[k].length; i2++) {
+          entity = labelable[k][i2];
+          geometry = entity.geometry(graph);
+          var getName = geometry === "line" ? utilDisplayNameForPath : utilDisplayName;
+          var name = getName(entity);
+          var width = name && textWidth(name, fontSize);
+          var p = null;
+          if (geometry === "point" || geometry === "vertex") {
+            if (wireframe)
+              continue;
+            var renderAs = renderNodeAs[entity.id];
+            if (renderAs === "vertex" && zoom < 17)
+              continue;
+            p = getPointLabel(entity, width, fontSize, renderAs);
+          } else if (geometry === "line") {
+            p = getLineLabel(entity, width, fontSize);
+          } else if (geometry === "area") {
+            p = getAreaLabel(entity, width, fontSize);
+          }
+          if (p) {
+            if (geometry === "vertex") {
+              geometry = "point";
+            }
+            p.classes = geometry + " tag-" + labelStack[k][1];
+            positions[geometry].push(p);
+            labelled[geometry].push(entity);
+          }
+        }
+      }
+      function isInterestingVertex(entity2) {
+        var selectedIDs = context.selectedIDs();
+        return entity2.hasInterestingTags() || entity2.isEndpoint(graph) || entity2.isConnected(graph) || selectedIDs.indexOf(entity2.id) !== -1 || graph.parentWays(entity2).some(function(parent) {
+          return selectedIDs.indexOf(parent.id) !== -1;
+        });
+      }
+      function getPointLabel(entity2, width2, height, geometry2) {
+        var y = geometry2 === "point" ? -12 : 0;
+        var pointOffsets = {
+          ltr: [15, y, "start"],
+          rtl: [-15, y, "end"]
+        };
+        var textDirection = _mainLocalizer.textDirection();
+        var coord3 = projection2(entity2.loc);
+        var textPadding = 2;
+        var offset = pointOffsets[textDirection];
+        var p2 = {
+          height,
+          width: width2,
+          x: coord3[0] + offset[0],
+          y: coord3[1] + offset[1],
+          textAnchor: offset[2]
+        };
+        var bbox3;
+        if (textDirection === "rtl") {
+          bbox3 = {
+            minX: p2.x - width2 - textPadding,
+            minY: p2.y - height / 2 - textPadding,
+            maxX: p2.x + textPadding,
+            maxY: p2.y + height / 2 + textPadding
+          };
+        } else {
+          bbox3 = {
+            minX: p2.x - textPadding,
+            minY: p2.y - height / 2 - textPadding,
+            maxX: p2.x + width2 + textPadding,
+            maxY: p2.y + height / 2 + textPadding
+          };
+        }
+        if (tryInsert([bbox3], entity2.id, true)) {
+          return p2;
+        }
+      }
+      function getLineLabel(entity2, width2, height) {
+        var viewport = geoExtent(context.projection.clipExtent()).polygon();
+        var points = graph.childNodes(entity2).map(function(node) {
+          return projection2(node.loc);
+        });
+        var length = geoPathLength(points);
+        if (length < width2 + 20)
+          return;
+        var lineOffsets = [
+          50,
+          45,
+          55,
+          40,
+          60,
+          35,
+          65,
+          30,
+          70,
+          25,
+          75,
+          20,
+          80,
+          15,
+          95,
+          10,
+          90,
+          5,
+          95
+        ];
+        var padding = 3;
+        for (var i3 = 0; i3 < lineOffsets.length; i3++) {
+          var offset = lineOffsets[i3];
+          var middle = offset / 100 * length;
+          var start2 = middle - width2 / 2;
+          if (start2 < 0 || start2 + width2 > length)
+            continue;
+          var sub = subpath(points, start2, start2 + width2);
+          if (!sub || !geoPolygonIntersectsPolygon(viewport, sub, true)) {
+            continue;
+          }
+          var isReverse = reverse(sub);
+          if (isReverse) {
+            sub = sub.reverse();
+          }
+          var bboxes = [];
+          var boxsize = (height + 2) / 2;
+          for (var j3 = 0; j3 < sub.length - 1; j3++) {
+            var a = sub[j3];
+            var b = sub[j3 + 1];
+            var num = Math.max(1, Math.floor(geoVecLength(a, b) / boxsize / 2));
+            for (var box = 0; box < num; box++) {
+              var p2 = geoVecInterp(a, b, box / num);
+              var x05 = p2[0] - boxsize - padding;
+              var y05 = p2[1] - boxsize - padding;
+              var x12 = p2[0] + boxsize + padding;
+              var y12 = p2[1] + boxsize + padding;
+              bboxes.push({
+                minX: Math.min(x05, x12),
+                minY: Math.min(y05, y12),
+                maxX: Math.max(x05, x12),
+                maxY: Math.max(y05, y12)
+              });
+            }
+          }
+          if (tryInsert(bboxes, entity2.id, false)) {
+            return {
+              "font-size": height + 2,
+              lineString: lineString2(sub),
+              startOffset: offset + "%"
+            };
+          }
+        }
+        function reverse(p3) {
+          var angle2 = Math.atan2(p3[1][1] - p3[0][1], p3[1][0] - p3[0][0]);
+          return !(p3[0][0] < p3[p3.length - 1][0] && angle2 < Math.PI / 2 && angle2 > -Math.PI / 2);
+        }
+        function lineString2(points2) {
+          return "M" + points2.join("L");
+        }
+        function subpath(points2, from, to) {
+          var sofar = 0;
+          var start3, end, i0, i1;
+          for (var i4 = 0; i4 < points2.length - 1; i4++) {
+            var a2 = points2[i4];
+            var b2 = points2[i4 + 1];
+            var current = geoVecLength(a2, b2);
+            var portion;
+            if (!start3 && sofar + current >= from) {
+              portion = (from - sofar) / current;
+              start3 = [
+                a2[0] + portion * (b2[0] - a2[0]),
+                a2[1] + portion * (b2[1] - a2[1])
+              ];
+              i0 = i4 + 1;
+            }
+            if (!end && sofar + current >= to) {
+              portion = (to - sofar) / current;
+              end = [
+                a2[0] + portion * (b2[0] - a2[0]),
+                a2[1] + portion * (b2[1] - a2[1])
+              ];
+              i1 = i4 + 1;
+            }
+            sofar += current;
+          }
+          var result = points2.slice(i0, i1);
+          result.unshift(start3);
+          result.push(end);
+          return result;
+        }
+      }
+      function getAreaLabel(entity2, width2, height) {
+        var centroid = path.centroid(entity2.asGeoJSON(graph));
+        var extent = entity2.extent(graph);
+        var areaWidth = projection2(extent[1])[0] - projection2(extent[0])[0];
+        if (isNaN(centroid[0]) || areaWidth < 20)
+          return;
+        var preset2 = _mainPresetIndex.match(entity2, context.graph());
+        var picon = preset2 && preset2.icon;
+        var iconSize = 17;
+        var padding = 2;
+        var p2 = {};
+        if (picon) {
+          if (addIcon()) {
+            addLabel(iconSize + padding);
+            return p2;
+          }
+        } else {
+          if (addLabel(0)) {
+            return p2;
+          }
+        }
+        function addIcon() {
+          var iconX = centroid[0] - iconSize / 2;
+          var iconY = centroid[1] - iconSize / 2;
+          var bbox3 = {
+            minX: iconX,
+            minY: iconY,
+            maxX: iconX + iconSize,
+            maxY: iconY + iconSize
+          };
+          if (tryInsert([bbox3], entity2.id + "I", true)) {
+            p2.transform = "translate(" + iconX + "," + iconY + ")";
+            return true;
+          }
+          return false;
+        }
+        function addLabel(yOffset) {
+          if (width2 && areaWidth >= width2 + 20) {
+            var labelX = centroid[0];
+            var labelY = centroid[1] + yOffset;
+            var bbox3 = {
+              minX: labelX - width2 / 2 - padding,
+              minY: labelY - height / 2 - padding,
+              maxX: labelX + width2 / 2 + padding,
+              maxY: labelY + height / 2 + padding
+            };
+            if (tryInsert([bbox3], entity2.id, true)) {
+              p2.x = labelX;
+              p2.y = labelY;
+              p2.textAnchor = "middle";
+              p2.height = height;
+              return true;
+            }
+          }
+          return false;
+        }
+      }
+      function doInsert(bbox3, id2) {
+        bbox3.id = id2;
+        var oldbox = _entitybboxes[id2];
+        if (oldbox) {
+          _rdrawn.remove(oldbox);
+        }
+        _entitybboxes[id2] = bbox3;
+        _rdrawn.insert(bbox3);
+      }
+      function tryInsert(bboxes, id2, saveSkipped) {
+        var skipped = false;
+        for (var i3 = 0; i3 < bboxes.length; i3++) {
+          var bbox3 = bboxes[i3];
+          bbox3.id = id2;
+          if (bbox3.minX < 0 || bbox3.minY < 0 || bbox3.maxX > dimensions[0] || bbox3.maxY > dimensions[1]) {
+            skipped = true;
+            break;
+          }
+          if (_rdrawn.collides(bbox3)) {
+            skipped = true;
+            break;
+          }
+        }
+        _entitybboxes[id2] = bboxes;
+        if (skipped) {
+          if (saveSkipped) {
+            _rskipped.load(bboxes);
+          }
+        } else {
+          _rdrawn.load(bboxes);
+        }
+        return !skipped;
+      }
+      var layer = selection2.selectAll(".layer-osm.labels");
+      layer.selectAll(".labels-group").data(["halo", "label", "debug"]).enter().append("g").attr("class", function(d) {
+        return "labels-group " + d;
+      });
+      var halo = layer.selectAll(".labels-group.halo");
+      var label = layer.selectAll(".labels-group.label");
+      var debug2 = layer.selectAll(".labels-group.debug");
+      drawPointLabels(label, labelled.point, filter2, "pointlabel", positions.point);
+      drawPointLabels(halo, labelled.point, filter2, "pointlabel-halo", positions.point);
+      drawLinePaths(layer, labelled.line, filter2, "", positions.line);
+      drawLineLabels(label, labelled.line, filter2, "linelabel", positions.line);
+      drawLineLabels(halo, labelled.line, filter2, "linelabel-halo", positions.line);
+      drawAreaLabels(label, labelled.area, filter2, "arealabel", positions.area);
+      drawAreaLabels(halo, labelled.area, filter2, "arealabel-halo", positions.area);
+      drawAreaIcons(label, labelled.area, filter2, "areaicon", positions.area);
+      drawAreaIcons(halo, labelled.area, filter2, "areaicon-halo", positions.area);
+      drawCollisionBoxes(debug2, _rskipped, "debug-skipped");
+      drawCollisionBoxes(debug2, _rdrawn, "debug-drawn");
+      layer.call(filterLabels);
+    }
+    function filterLabels(selection2) {
+      var drawLayer = selection2.selectAll(".layer-osm.labels");
+      var layers = drawLayer.selectAll(".labels-group.halo, .labels-group.label");
+      layers.selectAll(".nolabel").classed("nolabel", false);
+      var mouse = context.map().mouse();
+      var graph = context.graph();
+      var selectedIDs = context.selectedIDs();
+      var ids = [];
+      var pad2, bbox2;
+      if (mouse) {
+        pad2 = 20;
+        bbox2 = { minX: mouse[0] - pad2, minY: mouse[1] - pad2, maxX: mouse[0] + pad2, maxY: mouse[1] + pad2 };
+        var nearMouse = _rdrawn.search(bbox2).map(function(entity2) {
+          return entity2.id;
+        });
+        ids.push.apply(ids, nearMouse);
+      }
+      for (var i2 = 0; i2 < selectedIDs.length; i2++) {
+        var entity = graph.hasEntity(selectedIDs[i2]);
+        if (entity && entity.type === "node") {
+          ids.push(selectedIDs[i2]);
+        }
+      }
+      layers.selectAll(utilEntitySelector(ids)).classed("nolabel", true);
+      var debug2 = selection2.selectAll(".labels-group.debug");
+      var gj = [];
+      if (context.getDebug("collision")) {
+        gj = bbox2 ? [{
+          type: "Polygon",
+          coordinates: [[
+            [bbox2.minX, bbox2.minY],
+            [bbox2.maxX, bbox2.minY],
+            [bbox2.maxX, bbox2.maxY],
+            [bbox2.minX, bbox2.maxY],
+            [bbox2.minX, bbox2.minY]
+          ]]
+        }] : [];
+      }
+      var box = debug2.selectAll(".debug-mouse").data(gj);
+      box.exit().remove();
+      box.enter().append("path").attr("class", "debug debug-mouse yellow").merge(box).attr("d", path_default());
+    }
+    var throttleFilterLabels = throttle_default(filterLabels, 100);
+    drawLabels.observe = function(selection2) {
+      var listener = function() {
+        throttleFilterLabels(selection2);
+      };
+      selection2.on("mousemove.hidelabels", listener);
+      context.on("enter.hidelabels", listener);
+    };
+    drawLabels.off = function(selection2) {
+      throttleFilterLabels.cancel();
+      selection2.on("mousemove.hidelabels", null);
+      context.on("enter.hidelabels", null);
+    };
+    return drawLabels;
+  }
+
+  // modules/svg/improveOSM.js
+  var _layerEnabled2 = false;
+  var _qaService2;
+  function svgImproveOSM(projection2, context, dispatch10) {
+    const throttledRedraw = throttle_default(() => dispatch10.call("change"), 1e3);
+    const minZoom3 = 12;
+    let touchLayer = select_default2(null);
+    let drawLayer = select_default2(null);
+    let layerVisible = false;
+    function markerPath(selection2, klass) {
+      selection2.attr("class", klass).attr("transform", "translate(-10, -28)").attr("points", "16,3 4,3 1,6 1,17 4,20 7,20 10,27 13,20 16,20 19,17.033 19,6");
+    }
+    function getService() {
+      if (services.improveOSM && !_qaService2) {
+        _qaService2 = services.improveOSM;
+        _qaService2.on("loaded", throttledRedraw);
+      } else if (!services.improveOSM && _qaService2) {
+        _qaService2 = null;
+      }
+      return _qaService2;
+    }
+    function editOn() {
+      if (!layerVisible) {
+        layerVisible = true;
+        drawLayer.style("display", "block");
+      }
+    }
+    function editOff() {
+      if (layerVisible) {
+        layerVisible = false;
+        drawLayer.style("display", "none");
+        drawLayer.selectAll(".qaItem.improveOSM").remove();
+        touchLayer.selectAll(".qaItem.improveOSM").remove();
+      }
+    }
+    function layerOn() {
+      editOn();
+      drawLayer.style("opacity", 0).transition().duration(250).style("opacity", 1).on("end interrupt", () => dispatch10.call("change"));
+    }
+    function layerOff() {
+      throttledRedraw.cancel();
+      drawLayer.interrupt();
+      touchLayer.selectAll(".qaItem.improveOSM").remove();
+      drawLayer.transition().duration(250).style("opacity", 0).on("end interrupt", () => {
+        editOff();
+        dispatch10.call("change");
+      });
+    }
+    function updateMarkers() {
+      if (!layerVisible || !_layerEnabled2)
+        return;
+      const service = getService();
+      const selectedID = context.selectedErrorID();
+      const data = service ? service.getItems(projection2) : [];
+      const getTransform = svgPointTransform(projection2);
+      const markers = drawLayer.selectAll(".qaItem.improveOSM").data(data, (d) => d.id);
+      markers.exit().remove();
+      const markersEnter = markers.enter().append("g").attr("class", (d) => `qaItem ${d.service} itemId-${d.id} itemType-${d.itemType}`);
+      markersEnter.append("polygon").call(markerPath, "shadow");
+      markersEnter.append("ellipse").attr("cx", 0).attr("cy", 0).attr("rx", 4.5).attr("ry", 2).attr("class", "stroke");
+      markersEnter.append("polygon").attr("fill", "currentColor").call(markerPath, "qaItem-fill");
+      markersEnter.append("use").attr("class", "icon-annotation").attr("transform", "translate(-6, -22)").attr("width", "12px").attr("height", "12px").attr("xlink:href", (d) => d.icon ? "#" + d.icon : "");
+      markers.merge(markersEnter).sort(sortY).classed("selected", (d) => d.id === selectedID).attr("transform", getTransform);
+      if (touchLayer.empty())
+        return;
+      const fillClass = context.getDebug("target") ? "pink " : "nocolor ";
+      const targets = touchLayer.selectAll(".qaItem.improveOSM").data(data, (d) => d.id);
+      targets.exit().remove();
+      targets.enter().append("rect").attr("width", "20px").attr("height", "30px").attr("x", "-10px").attr("y", "-28px").merge(targets).sort(sortY).attr("class", (d) => `qaItem ${d.service} target ${fillClass} itemId-${d.id}`).attr("transform", getTransform);
+      function sortY(a, b) {
+        return a.id === selectedID ? 1 : b.id === selectedID ? -1 : b.loc[1] - a.loc[1];
+      }
+    }
+    function drawImproveOSM(selection2) {
+      const service = getService();
+      const surface = context.surface();
+      if (surface && !surface.empty()) {
+        touchLayer = surface.selectAll(".data-layer.touch .layer-touch.markers");
+      }
+      drawLayer = selection2.selectAll(".layer-improveOSM").data(service ? [0] : []);
+      drawLayer.exit().remove();
+      drawLayer = drawLayer.enter().append("g").attr("class", "layer-improveOSM").style("display", _layerEnabled2 ? "block" : "none").merge(drawLayer);
+      if (_layerEnabled2) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          service.loadIssues(projection2);
+          updateMarkers();
+        } else {
+          editOff();
+        }
+      }
+    }
+    drawImproveOSM.enabled = function(val) {
+      if (!arguments.length)
+        return _layerEnabled2;
+      _layerEnabled2 = val;
+      if (_layerEnabled2) {
+        layerOn();
+      } else {
+        layerOff();
+        if (context.selectedErrorID()) {
+          context.enter(modeBrowse(context));
+        }
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawImproveOSM.supported = () => !!getService();
+    return drawImproveOSM;
+  }
+
+  // modules/svg/osmose.js
+  var _layerEnabled3 = false;
+  var _qaService3;
+  function svgOsmose(projection2, context, dispatch10) {
+    const throttledRedraw = throttle_default(() => dispatch10.call("change"), 1e3);
+    const minZoom3 = 12;
+    let touchLayer = select_default2(null);
+    let drawLayer = select_default2(null);
+    let layerVisible = false;
+    function markerPath(selection2, klass) {
+      selection2.attr("class", klass).attr("transform", "translate(-10, -28)").attr("points", "16,3 4,3 1,6 1,17 4,20 7,20 10,27 13,20 16,20 19,17.033 19,6");
+    }
+    function getService() {
+      if (services.osmose && !_qaService3) {
+        _qaService3 = services.osmose;
+        _qaService3.on("loaded", throttledRedraw);
+      } else if (!services.osmose && _qaService3) {
+        _qaService3 = null;
+      }
+      return _qaService3;
+    }
+    function editOn() {
+      if (!layerVisible) {
+        layerVisible = true;
+        drawLayer.style("display", "block");
+      }
+    }
+    function editOff() {
+      if (layerVisible) {
+        layerVisible = false;
+        drawLayer.style("display", "none");
+        drawLayer.selectAll(".qaItem.osmose").remove();
+        touchLayer.selectAll(".qaItem.osmose").remove();
+      }
+    }
+    function layerOn() {
+      editOn();
+      drawLayer.style("opacity", 0).transition().duration(250).style("opacity", 1).on("end interrupt", () => dispatch10.call("change"));
+    }
+    function layerOff() {
+      throttledRedraw.cancel();
+      drawLayer.interrupt();
+      touchLayer.selectAll(".qaItem.osmose").remove();
+      drawLayer.transition().duration(250).style("opacity", 0).on("end interrupt", () => {
+        editOff();
+        dispatch10.call("change");
+      });
+    }
+    function updateMarkers() {
+      if (!layerVisible || !_layerEnabled3)
+        return;
+      const service = getService();
+      const selectedID = context.selectedErrorID();
+      const data = service ? service.getItems(projection2) : [];
+      const getTransform = svgPointTransform(projection2);
+      const markers = drawLayer.selectAll(".qaItem.osmose").data(data, (d) => d.id);
+      markers.exit().remove();
+      const markersEnter = markers.enter().append("g").attr("class", (d) => `qaItem ${d.service} itemId-${d.id} itemType-${d.itemType}`);
+      markersEnter.append("polygon").call(markerPath, "shadow");
+      markersEnter.append("ellipse").attr("cx", 0).attr("cy", 0).attr("rx", 4.5).attr("ry", 2).attr("class", "stroke");
+      markersEnter.append("polygon").attr("fill", (d) => service.getColor(d.item)).call(markerPath, "qaItem-fill");
+      markersEnter.append("use").attr("class", "icon-annotation").attr("transform", "translate(-6, -22)").attr("width", "12px").attr("height", "12px").attr("xlink:href", (d) => d.icon ? "#" + d.icon : "");
+      markers.merge(markersEnter).sort(sortY).classed("selected", (d) => d.id === selectedID).attr("transform", getTransform);
+      if (touchLayer.empty())
+        return;
+      const fillClass = context.getDebug("target") ? "pink" : "nocolor";
+      const targets = touchLayer.selectAll(".qaItem.osmose").data(data, (d) => d.id);
+      targets.exit().remove();
+      targets.enter().append("rect").attr("width", "20px").attr("height", "30px").attr("x", "-10px").attr("y", "-28px").merge(targets).sort(sortY).attr("class", (d) => `qaItem ${d.service} target ${fillClass} itemId-${d.id}`).attr("transform", getTransform);
+      function sortY(a, b) {
+        return a.id === selectedID ? 1 : b.id === selectedID ? -1 : b.loc[1] - a.loc[1];
+      }
+    }
+    function drawOsmose(selection2) {
+      const service = getService();
+      const surface = context.surface();
+      if (surface && !surface.empty()) {
+        touchLayer = surface.selectAll(".data-layer.touch .layer-touch.markers");
+      }
+      drawLayer = selection2.selectAll(".layer-osmose").data(service ? [0] : []);
+      drawLayer.exit().remove();
+      drawLayer = drawLayer.enter().append("g").attr("class", "layer-osmose").style("display", _layerEnabled3 ? "block" : "none").merge(drawLayer);
+      if (_layerEnabled3) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          service.loadIssues(projection2);
+          updateMarkers();
+        } else {
+          editOff();
+        }
+      }
+    }
+    drawOsmose.enabled = function(val) {
+      if (!arguments.length)
+        return _layerEnabled3;
+      _layerEnabled3 = val;
+      if (_layerEnabled3) {
+        getService().loadStrings().then(layerOn).catch((err) => {
+          console.log(err);
+        });
+      } else {
+        layerOff();
+        if (context.selectedErrorID()) {
+          context.enter(modeBrowse(context));
+        }
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawOsmose.supported = () => !!getService();
+    return drawOsmose;
+  }
+
+  // modules/svg/streetside.js
+  function svgStreetside(projection2, context, dispatch10) {
+    var throttledRedraw = throttle_default(function() {
+      dispatch10.call("change");
+    }, 1e3);
+    var minZoom3 = 14;
+    var minMarkerZoom = 16;
+    var minViewfieldZoom = 18;
+    var layer = select_default2(null);
+    var _viewerYaw = 0;
+    var _selectedSequence = null;
+    var _streetside;
+    function init2() {
+      if (svgStreetside.initialized)
+        return;
+      svgStreetside.enabled = false;
+      svgStreetside.initialized = true;
+    }
+    function getService() {
+      if (services.streetside && !_streetside) {
+        _streetside = services.streetside;
+        _streetside.event.on("viewerChanged.svgStreetside", viewerChanged).on("loadedImages.svgStreetside", throttledRedraw);
+      } else if (!services.streetside && _streetside) {
+        _streetside = null;
+      }
+      return _streetside;
+    }
+    function showLayer() {
+      var service = getService();
+      if (!service)
+        return;
+      editOn();
+      layer.style("opacity", 0).transition().duration(250).style("opacity", 1).on("end", function() {
+        dispatch10.call("change");
+      });
+    }
+    function hideLayer() {
+      throttledRedraw.cancel();
+      layer.transition().duration(250).style("opacity", 0).on("end", editOff);
+    }
+    function editOn() {
+      layer.style("display", "block");
+    }
+    function editOff() {
+      layer.selectAll(".viewfield-group").remove();
+      layer.style("display", "none");
+    }
+    function click(d3_event, d) {
+      var service = getService();
+      if (!service)
+        return;
+      if (d.sequenceKey !== _selectedSequence) {
+        _viewerYaw = 0;
+      }
+      _selectedSequence = d.sequenceKey;
+      service.ensureViewerLoaded(context).then(function() {
+        service.selectImage(context, d.key).yaw(_viewerYaw).showViewer(context);
+      });
+      context.map().centerEase(d.loc);
+    }
+    function mouseover(d3_event, d) {
+      var service = getService();
+      if (service)
+        service.setStyles(context, d);
+    }
+    function mouseout() {
+      var service = getService();
+      if (service)
+        service.setStyles(context, null);
+    }
+    function transform2(d) {
+      var t = svgPointTransform(projection2)(d);
+      var rot = d.ca + _viewerYaw;
+      if (rot) {
+        t += " rotate(" + Math.floor(rot) + ",0,0)";
+      }
+      return t;
+    }
+    function viewerChanged() {
+      var service = getService();
+      if (!service)
+        return;
+      var viewer = service.viewer();
+      if (!viewer)
+        return;
+      _viewerYaw = viewer.getYaw();
+      if (context.map().isTransformed())
+        return;
+      layer.selectAll(".viewfield-group.currentView").attr("transform", transform2);
+    }
+    function filterBubbles(bubbles) {
+      var fromDate = context.photos().fromDate();
+      var toDate = context.photos().toDate();
+      var usernames = context.photos().usernames();
+      if (fromDate) {
+        var fromTimestamp = new Date(fromDate).getTime();
+        bubbles = bubbles.filter(function(bubble) {
+          return new Date(bubble.captured_at).getTime() >= fromTimestamp;
+        });
+      }
+      if (toDate) {
+        var toTimestamp = new Date(toDate).getTime();
+        bubbles = bubbles.filter(function(bubble) {
+          return new Date(bubble.captured_at).getTime() <= toTimestamp;
+        });
+      }
+      if (usernames) {
+        bubbles = bubbles.filter(function(bubble) {
+          return usernames.indexOf(bubble.captured_by) !== -1;
+        });
+      }
+      return bubbles;
+    }
+    function filterSequences(sequences) {
+      var fromDate = context.photos().fromDate();
+      var toDate = context.photos().toDate();
+      var usernames = context.photos().usernames();
+      if (fromDate) {
+        var fromTimestamp = new Date(fromDate).getTime();
+        sequences = sequences.filter(function(sequences2) {
+          return new Date(sequences2.properties.captured_at).getTime() >= fromTimestamp;
+        });
+      }
+      if (toDate) {
+        var toTimestamp = new Date(toDate).getTime();
+        sequences = sequences.filter(function(sequences2) {
+          return new Date(sequences2.properties.captured_at).getTime() <= toTimestamp;
+        });
+      }
+      if (usernames) {
+        sequences = sequences.filter(function(sequences2) {
+          return usernames.indexOf(sequences2.properties.captured_by) !== -1;
+        });
+      }
+      return sequences;
+    }
+    function update() {
+      var viewer = context.container().select(".photoviewer");
+      var selected = viewer.empty() ? void 0 : viewer.datum();
+      var z = ~~context.map().zoom();
+      var showMarkers = z >= minMarkerZoom;
+      var showViewfields = z >= minViewfieldZoom;
+      var service = getService();
+      var sequences = [];
+      var bubbles = [];
+      if (context.photos().showsPanoramic()) {
+        sequences = service ? service.sequences(projection2) : [];
+        bubbles = service && showMarkers ? service.bubbles(projection2) : [];
+        sequences = filterSequences(sequences);
+        bubbles = filterBubbles(bubbles);
+      }
+      var traces = layer.selectAll(".sequences").selectAll(".sequence").data(sequences, function(d) {
+        return d.properties.key;
+      });
+      traces.exit().remove();
+      traces = traces.enter().append("path").attr("class", "sequence").merge(traces).attr("d", svgPath(projection2).geojson);
+      var groups = layer.selectAll(".markers").selectAll(".viewfield-group").data(bubbles, function(d) {
+        return d.key + (d.sequenceKey ? "v1" : "v0");
+      });
+      groups.exit().remove();
+      var groupsEnter = groups.enter().append("g").attr("class", "viewfield-group").on("mouseenter", mouseover).on("mouseleave", mouseout).on("click", click);
+      groupsEnter.append("g").attr("class", "viewfield-scale");
+      var markers = groups.merge(groupsEnter).sort(function(a, b) {
+        return a === selected ? 1 : b === selected ? -1 : b.loc[1] - a.loc[1];
+      }).attr("transform", transform2).select(".viewfield-scale");
+      markers.selectAll("circle").data([0]).enter().append("circle").attr("dx", "0").attr("dy", "0").attr("r", "6");
+      var viewfields = markers.selectAll(".viewfield").data(showViewfields ? [0] : []);
+      viewfields.exit().remove();
+      viewfields.enter().insert("path", "circle").attr("class", "viewfield").attr("transform", "scale(1.5,1.5),translate(-8, -13)").attr("d", viewfieldPath);
+      function viewfieldPath() {
+        var d = this.parentNode.__data__;
+        if (d.pano) {
+          return "M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0";
+        } else {
+          return "M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z";
+        }
+      }
+    }
+    function drawImages(selection2) {
+      var enabled = svgStreetside.enabled;
+      var service = getService();
+      layer = selection2.selectAll(".layer-streetside-images").data(service ? [0] : []);
+      layer.exit().remove();
+      var layerEnter = layer.enter().append("g").attr("class", "layer-streetside-images").style("display", enabled ? "block" : "none");
+      layerEnter.append("g").attr("class", "sequences");
+      layerEnter.append("g").attr("class", "markers");
+      layer = layerEnter.merge(layer);
+      if (enabled) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          update();
+          service.loadBubbles(projection2);
+        } else {
+          editOff();
+        }
+      }
+    }
+    drawImages.enabled = function(_) {
+      if (!arguments.length)
+        return svgStreetside.enabled;
+      svgStreetside.enabled = _;
+      if (svgStreetside.enabled) {
+        showLayer();
+        context.photos().on("change.streetside", update);
+      } else {
+        hideLayer();
+        context.photos().on("change.streetside", null);
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawImages.supported = function() {
+      return !!getService();
+    };
+    init2();
+    return drawImages;
+  }
+
+  // modules/svg/mapillary_images.js
+  function svgMapillaryImages(projection2, context, dispatch10) {
+    const throttledRedraw = throttle_default(function() {
+      dispatch10.call("change");
+    }, 1e3);
+    const minZoom3 = 12;
+    const minMarkerZoom = 16;
+    const minViewfieldZoom = 18;
+    let layer = select_default2(null);
+    let _mapillary;
+    function init2() {
+      if (svgMapillaryImages.initialized)
+        return;
+      svgMapillaryImages.enabled = false;
+      svgMapillaryImages.initialized = true;
+    }
+    function getService() {
+      if (services.mapillary && !_mapillary) {
+        _mapillary = services.mapillary;
+        _mapillary.event.on("loadedImages", throttledRedraw);
+      } else if (!services.mapillary && _mapillary) {
+        _mapillary = null;
+      }
+      return _mapillary;
+    }
+    function showLayer() {
+      const service = getService();
+      if (!service)
+        return;
+      editOn();
+      layer.style("opacity", 0).transition().duration(250).style("opacity", 1).on("end", function() {
+        dispatch10.call("change");
+      });
+    }
+    function hideLayer() {
+      throttledRedraw.cancel();
+      layer.transition().duration(250).style("opacity", 0).on("end", editOff);
+    }
+    function editOn() {
+      layer.style("display", "block");
+    }
+    function editOff() {
+      layer.selectAll(".viewfield-group").remove();
+      layer.style("display", "none");
+    }
+    function click(d3_event, image) {
+      const service = getService();
+      if (!service)
+        return;
+      service.ensureViewerLoaded(context).then(function() {
+        service.selectImage(context, image.id).showViewer(context);
+      });
+      context.map().centerEase(image.loc);
+    }
+    function mouseover(d3_event, image) {
+      const service = getService();
+      if (service)
+        service.setStyles(context, image);
+    }
+    function mouseout() {
+      const service = getService();
+      if (service)
+        service.setStyles(context, null);
+    }
+    function transform2(d) {
+      let t = svgPointTransform(projection2)(d);
+      if (d.ca) {
+        t += " rotate(" + Math.floor(d.ca) + ",0,0)";
+      }
+      return t;
+    }
+    function filterImages(images) {
+      const showsPano = context.photos().showsPanoramic();
+      const showsFlat = context.photos().showsFlat();
+      const fromDate = context.photos().fromDate();
+      const toDate = context.photos().toDate();
+      if (!showsPano || !showsFlat) {
+        images = images.filter(function(image) {
+          if (image.is_pano)
+            return showsPano;
+          return showsFlat;
+        });
+      }
+      if (fromDate) {
+        images = images.filter(function(image) {
+          return new Date(image.captured_at).getTime() >= new Date(fromDate).getTime();
+        });
+      }
+      if (toDate) {
+        images = images.filter(function(image) {
+          return new Date(image.captured_at).getTime() <= new Date(toDate).getTime();
+        });
+      }
+      return images;
+    }
+    function filterSequences(sequences) {
+      const showsPano = context.photos().showsPanoramic();
+      const showsFlat = context.photos().showsFlat();
+      const fromDate = context.photos().fromDate();
+      const toDate = context.photos().toDate();
+      if (!showsPano || !showsFlat) {
+        sequences = sequences.filter(function(sequence) {
+          if (sequence.properties.hasOwnProperty("is_pano")) {
+            if (sequence.properties.is_pano)
+              return showsPano;
+            return showsFlat;
+          }
+          return false;
+        });
+      }
+      if (fromDate) {
+        sequences = sequences.filter(function(sequence) {
+          return new Date(sequence.properties.captured_at).getTime() >= new Date(fromDate).getTime().toString();
+        });
+      }
+      if (toDate) {
+        sequences = sequences.filter(function(sequence) {
+          return new Date(sequence.properties.captured_at).getTime() <= new Date(toDate).getTime().toString();
+        });
+      }
+      return sequences;
+    }
+    function update() {
+      const z = ~~context.map().zoom();
+      const showMarkers = z >= minMarkerZoom;
+      const showViewfields = z >= minViewfieldZoom;
+      const service = getService();
+      let sequences = service ? service.sequences(projection2) : [];
+      let images = service && showMarkers ? service.images(projection2) : [];
+      images = filterImages(images);
+      sequences = filterSequences(sequences, service);
+      service.filterViewer(context);
+      let traces = layer.selectAll(".sequences").selectAll(".sequence").data(sequences, function(d) {
+        return d.properties.id;
+      });
+      traces.exit().remove();
+      traces = traces.enter().append("path").attr("class", "sequence").merge(traces).attr("d", svgPath(projection2).geojson);
+      const groups = layer.selectAll(".markers").selectAll(".viewfield-group").data(images, function(d) {
+        return d.id;
+      });
+      groups.exit().remove();
+      const groupsEnter = groups.enter().append("g").attr("class", "viewfield-group").on("mouseenter", mouseover).on("mouseleave", mouseout).on("click", click);
+      groupsEnter.append("g").attr("class", "viewfield-scale");
+      const markers = groups.merge(groupsEnter).sort(function(a, b) {
+        return b.loc[1] - a.loc[1];
+      }).attr("transform", transform2).select(".viewfield-scale");
+      markers.selectAll("circle").data([0]).enter().append("circle").attr("dx", "0").attr("dy", "0").attr("r", "6");
+      const viewfields = markers.selectAll(".viewfield").data(showViewfields ? [0] : []);
+      viewfields.exit().remove();
+      viewfields.enter().insert("path", "circle").attr("class", "viewfield").classed("pano", function() {
+        return this.parentNode.__data__.is_pano;
+      }).attr("transform", "scale(1.5,1.5),translate(-8, -13)").attr("d", viewfieldPath);
+      function viewfieldPath() {
+        if (this.parentNode.__data__.is_pano) {
+          return "M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0";
+        } else {
+          return "M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z";
+        }
+      }
+    }
+    function drawImages(selection2) {
+      const enabled = svgMapillaryImages.enabled;
+      const service = getService();
+      layer = selection2.selectAll(".layer-mapillary").data(service ? [0] : []);
+      layer.exit().remove();
+      const layerEnter = layer.enter().append("g").attr("class", "layer-mapillary").style("display", enabled ? "block" : "none");
+      layerEnter.append("g").attr("class", "sequences");
+      layerEnter.append("g").attr("class", "markers");
+      layer = layerEnter.merge(layer);
+      if (enabled) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          update();
+          service.loadImages(projection2);
+        } else {
+          editOff();
+        }
+      }
+    }
+    drawImages.enabled = function(_) {
+      if (!arguments.length)
+        return svgMapillaryImages.enabled;
+      svgMapillaryImages.enabled = _;
+      if (svgMapillaryImages.enabled) {
+        showLayer();
+        context.photos().on("change.mapillary_images", update);
+      } else {
+        hideLayer();
+        context.photos().on("change.mapillary_images", null);
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawImages.supported = function() {
+      return !!getService();
+    };
+    init2();
+    return drawImages;
+  }
+
+  // modules/svg/mapillary_position.js
+  function svgMapillaryPosition(projection2, context) {
+    const throttledRedraw = throttle_default(function() {
+      update();
+    }, 1e3);
+    const minZoom3 = 12;
+    const minViewfieldZoom = 18;
+    let layer = select_default2(null);
+    let _mapillary;
+    let viewerCompassAngle;
+    function init2() {
+      if (svgMapillaryPosition.initialized)
+        return;
+      svgMapillaryPosition.initialized = true;
+    }
+    function getService() {
+      if (services.mapillary && !_mapillary) {
+        _mapillary = services.mapillary;
+        _mapillary.event.on("imageChanged", throttledRedraw);
+        _mapillary.event.on("bearingChanged", function(e) {
+          viewerCompassAngle = e.bearing;
+          if (context.map().isTransformed())
+            return;
+          layer.selectAll(".viewfield-group.currentView").filter(function(d) {
+            return d.is_pano;
+          }).attr("transform", transform2);
+        });
+      } else if (!services.mapillary && _mapillary) {
+        _mapillary = null;
+      }
+      return _mapillary;
+    }
+    function editOn() {
+      layer.style("display", "block");
+    }
+    function editOff() {
+      layer.selectAll(".viewfield-group").remove();
+      layer.style("display", "none");
+    }
+    function transform2(d) {
+      let t = svgPointTransform(projection2)(d);
+      if (d.is_pano && viewerCompassAngle !== null && isFinite(viewerCompassAngle)) {
+        t += " rotate(" + Math.floor(viewerCompassAngle) + ",0,0)";
+      } else if (d.ca) {
+        t += " rotate(" + Math.floor(d.ca) + ",0,0)";
+      }
+      return t;
+    }
+    function update() {
+      const z = ~~context.map().zoom();
+      const showViewfields = z >= minViewfieldZoom;
+      const service = getService();
+      const image = service && service.getActiveImage();
+      const groups = layer.selectAll(".markers").selectAll(".viewfield-group").data(image ? [image] : [], function(d) {
+        return d.id;
+      });
+      groups.exit().remove();
+      const groupsEnter = groups.enter().append("g").attr("class", "viewfield-group currentView highlighted");
+      groupsEnter.append("g").attr("class", "viewfield-scale");
+      const markers = groups.merge(groupsEnter).attr("transform", transform2).select(".viewfield-scale");
+      markers.selectAll("circle").data([0]).enter().append("circle").attr("dx", "0").attr("dy", "0").attr("r", "6");
+      const viewfields = markers.selectAll(".viewfield").data(showViewfields ? [0] : []);
+      viewfields.exit().remove();
+      viewfields.enter().insert("path", "circle").attr("class", "viewfield").attr("transform", "scale(1.5,1.5),translate(-8, -13)").attr("d", "M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z");
+    }
+    function drawImages(selection2) {
+      const service = getService();
+      layer = selection2.selectAll(".layer-mapillary-position").data(service ? [0] : []);
+      layer.exit().remove();
+      const layerEnter = layer.enter().append("g").attr("class", "layer-mapillary-position");
+      layerEnter.append("g").attr("class", "markers");
+      layer = layerEnter.merge(layer);
+      if (service && ~~context.map().zoom() >= minZoom3) {
+        editOn();
+        update();
+      } else {
+        editOff();
+      }
+    }
+    drawImages.enabled = function() {
+      update();
+      return this;
+    };
+    drawImages.supported = function() {
+      return !!getService();
+    };
+    init2();
+    return drawImages;
+  }
+
+  // modules/svg/mapillary_signs.js
+  function svgMapillarySigns(projection2, context, dispatch10) {
+    const throttledRedraw = throttle_default(function() {
+      dispatch10.call("change");
+    }, 1e3);
+    const minZoom3 = 12;
+    let layer = select_default2(null);
+    let _mapillary;
+    function init2() {
+      if (svgMapillarySigns.initialized)
+        return;
+      svgMapillarySigns.enabled = false;
+      svgMapillarySigns.initialized = true;
+    }
+    function getService() {
+      if (services.mapillary && !_mapillary) {
+        _mapillary = services.mapillary;
+        _mapillary.event.on("loadedSigns", throttledRedraw);
+      } else if (!services.mapillary && _mapillary) {
+        _mapillary = null;
+      }
+      return _mapillary;
+    }
+    function showLayer() {
+      const service = getService();
+      if (!service)
+        return;
+      service.loadSignResources(context);
+      editOn();
+    }
+    function hideLayer() {
+      throttledRedraw.cancel();
+      editOff();
+    }
+    function editOn() {
+      layer.style("display", "block");
+    }
+    function editOff() {
+      layer.selectAll(".icon-sign").remove();
+      layer.style("display", "none");
+    }
+    function click(d3_event, d) {
+      const service = getService();
+      if (!service)
+        return;
+      context.map().centerEase(d.loc);
+      const selectedImageId = service.getActiveImage() && service.getActiveImage().id;
+      service.getDetections(d.id).then((detections) => {
+        if (detections.length) {
+          const imageId = detections[0].image.id;
+          if (imageId === selectedImageId) {
+            service.highlightDetection(detections[0]).selectImage(context, imageId);
+          } else {
+            service.ensureViewerLoaded(context).then(function() {
+              service.highlightDetection(detections[0]).selectImage(context, imageId).showViewer(context);
+            });
+          }
+        }
+      });
+    }
+    function filterData(detectedFeatures) {
+      var fromDate = context.photos().fromDate();
+      var toDate = context.photos().toDate();
+      if (fromDate) {
+        var fromTimestamp = new Date(fromDate).getTime();
+        detectedFeatures = detectedFeatures.filter(function(feature3) {
+          return new Date(feature3.last_seen_at).getTime() >= fromTimestamp;
+        });
+      }
+      if (toDate) {
+        var toTimestamp = new Date(toDate).getTime();
+        detectedFeatures = detectedFeatures.filter(function(feature3) {
+          return new Date(feature3.first_seen_at).getTime() <= toTimestamp;
+        });
+      }
+      return detectedFeatures;
+    }
+    function update() {
+      const service = getService();
+      let data = service ? service.signs(projection2) : [];
+      data = filterData(data);
+      const transform2 = svgPointTransform(projection2);
+      const signs = layer.selectAll(".icon-sign").data(data, function(d) {
+        return d.id;
+      });
+      signs.exit().remove();
+      const enter = signs.enter().append("g").attr("class", "icon-sign icon-detected").on("click", click);
+      enter.append("use").attr("width", "24px").attr("height", "24px").attr("x", "-12px").attr("y", "-12px").attr("xlink:href", function(d) {
+        return "#" + d.value;
+      });
+      enter.append("rect").attr("width", "24px").attr("height", "24px").attr("x", "-12px").attr("y", "-12px");
+      signs.merge(enter).attr("transform", transform2);
+    }
+    function drawSigns(selection2) {
+      const enabled = svgMapillarySigns.enabled;
+      const service = getService();
+      layer = selection2.selectAll(".layer-mapillary-signs").data(service ? [0] : []);
+      layer.exit().remove();
+      layer = layer.enter().append("g").attr("class", "layer-mapillary-signs layer-mapillary-detections").style("display", enabled ? "block" : "none").merge(layer);
+      if (enabled) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          update();
+          service.loadSigns(projection2);
+          service.showSignDetections(true);
+        } else {
+          editOff();
+        }
+      } else if (service) {
+        service.showSignDetections(false);
+      }
+    }
+    drawSigns.enabled = function(_) {
+      if (!arguments.length)
+        return svgMapillarySigns.enabled;
+      svgMapillarySigns.enabled = _;
+      if (svgMapillarySigns.enabled) {
+        showLayer();
+        context.photos().on("change.mapillary_signs", update);
+      } else {
+        hideLayer();
+        context.photos().on("change.mapillary_signs", null);
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawSigns.supported = function() {
+      return !!getService();
+    };
+    init2();
+    return drawSigns;
+  }
+
+  // modules/svg/mapillary_map_features.js
+  function svgMapillaryMapFeatures(projection2, context, dispatch10) {
+    const throttledRedraw = throttle_default(function() {
+      dispatch10.call("change");
+    }, 1e3);
+    const minZoom3 = 12;
+    let layer = select_default2(null);
+    let _mapillary;
+    function init2() {
+      if (svgMapillaryMapFeatures.initialized)
+        return;
+      svgMapillaryMapFeatures.enabled = false;
+      svgMapillaryMapFeatures.initialized = true;
+    }
+    function getService() {
+      if (services.mapillary && !_mapillary) {
+        _mapillary = services.mapillary;
+        _mapillary.event.on("loadedMapFeatures", throttledRedraw);
+      } else if (!services.mapillary && _mapillary) {
+        _mapillary = null;
+      }
+      return _mapillary;
+    }
+    function showLayer() {
+      const service = getService();
+      if (!service)
+        return;
+      service.loadObjectResources(context);
+      editOn();
+    }
+    function hideLayer() {
+      throttledRedraw.cancel();
+      editOff();
+    }
+    function editOn() {
+      layer.style("display", "block");
+    }
+    function editOff() {
+      layer.selectAll(".icon-map-feature").remove();
+      layer.style("display", "none");
+    }
+    function click(d3_event, d) {
+      const service = getService();
+      if (!service)
+        return;
+      context.map().centerEase(d.loc);
+      const selectedImageId = service.getActiveImage() && service.getActiveImage().id;
+      service.getDetections(d.id).then((detections) => {
+        if (detections.length) {
+          const imageId = detections[0].image.id;
+          if (imageId === selectedImageId) {
+            service.highlightDetection(detections[0]).selectImage(context, imageId);
+          } else {
+            service.ensureViewerLoaded(context).then(function() {
+              service.highlightDetection(detections[0]).selectImage(context, imageId).showViewer(context);
+            });
+          }
+        }
+      });
+    }
+    function filterData(detectedFeatures) {
+      const fromDate = context.photos().fromDate();
+      const toDate = context.photos().toDate();
+      if (fromDate) {
+        detectedFeatures = detectedFeatures.filter(function(feature3) {
+          return new Date(feature3.last_seen_at).getTime() >= new Date(fromDate).getTime();
+        });
+      }
+      if (toDate) {
+        detectedFeatures = detectedFeatures.filter(function(feature3) {
+          return new Date(feature3.first_seen_at).getTime() <= new Date(toDate).getTime();
+        });
+      }
+      return detectedFeatures;
+    }
+    function update() {
+      const service = getService();
+      let data = service ? service.mapFeatures(projection2) : [];
+      data = filterData(data);
+      const transform2 = svgPointTransform(projection2);
+      const mapFeatures = layer.selectAll(".icon-map-feature").data(data, function(d) {
+        return d.id;
+      });
+      mapFeatures.exit().remove();
+      const enter = mapFeatures.enter().append("g").attr("class", "icon-map-feature icon-detected").on("click", click);
+      enter.append("title").text(function(d) {
+        var id2 = d.value.replace(/--/g, ".").replace(/-/g, "_");
+        return _t("mapillary_map_features." + id2);
+      });
+      enter.append("use").attr("width", "24px").attr("height", "24px").attr("x", "-12px").attr("y", "-12px").attr("xlink:href", function(d) {
+        if (d.value === "object--billboard") {
+          return "#object--sign--advertisement";
+        }
+        return "#" + d.value;
+      });
+      enter.append("rect").attr("width", "24px").attr("height", "24px").attr("x", "-12px").attr("y", "-12px");
+      mapFeatures.merge(enter).attr("transform", transform2);
+    }
+    function drawMapFeatures(selection2) {
+      const enabled = svgMapillaryMapFeatures.enabled;
+      const service = getService();
+      layer = selection2.selectAll(".layer-mapillary-map-features").data(service ? [0] : []);
+      layer.exit().remove();
+      layer = layer.enter().append("g").attr("class", "layer-mapillary-map-features layer-mapillary-detections").style("display", enabled ? "block" : "none").merge(layer);
+      if (enabled) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          update();
+          service.loadMapFeatures(projection2);
+          service.showFeatureDetections(true);
+        } else {
+          editOff();
+        }
+      } else if (service) {
+        service.showFeatureDetections(false);
+      }
+    }
+    drawMapFeatures.enabled = function(_) {
+      if (!arguments.length)
+        return svgMapillaryMapFeatures.enabled;
+      svgMapillaryMapFeatures.enabled = _;
+      if (svgMapillaryMapFeatures.enabled) {
+        showLayer();
+        context.photos().on("change.mapillary_map_features", update);
+      } else {
+        hideLayer();
+        context.photos().on("change.mapillary_map_features", null);
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawMapFeatures.supported = function() {
+      return !!getService();
+    };
+    init2();
+    return drawMapFeatures;
+  }
+
+  // modules/svg/kartaview_images.js
+  function svgKartaviewImages(projection2, context, dispatch10) {
+    var throttledRedraw = throttle_default(function() {
+      dispatch10.call("change");
+    }, 1e3);
+    var minZoom3 = 12;
+    var minMarkerZoom = 16;
+    var minViewfieldZoom = 18;
+    var layer = select_default2(null);
+    var _kartaview;
+    function init2() {
+      if (svgKartaviewImages.initialized)
+        return;
+      svgKartaviewImages.enabled = false;
+      svgKartaviewImages.initialized = true;
+    }
+    function getService() {
+      if (services.kartaview && !_kartaview) {
+        _kartaview = services.kartaview;
+        _kartaview.event.on("loadedImages", throttledRedraw);
+      } else if (!services.kartaview && _kartaview) {
+        _kartaview = null;
+      }
+      return _kartaview;
+    }
+    function showLayer() {
+      var service = getService();
+      if (!service)
+        return;
+      editOn();
+      layer.style("opacity", 0).transition().duration(250).style("opacity", 1).on("end", function() {
+        dispatch10.call("change");
+      });
+    }
+    function hideLayer() {
+      throttledRedraw.cancel();
+      layer.transition().duration(250).style("opacity", 0).on("end", editOff);
+    }
+    function editOn() {
+      layer.style("display", "block");
+    }
+    function editOff() {
+      layer.selectAll(".viewfield-group").remove();
+      layer.style("display", "none");
+    }
+    function click(d3_event, d) {
+      var service = getService();
+      if (!service)
+        return;
+      service.ensureViewerLoaded(context).then(function() {
+        service.selectImage(context, d.key).showViewer(context);
+      });
+      context.map().centerEase(d.loc);
+    }
+    function mouseover(d3_event, d) {
+      var service = getService();
+      if (service)
+        service.setStyles(context, d);
+    }
+    function mouseout() {
+      var service = getService();
+      if (service)
+        service.setStyles(context, null);
+    }
+    function transform2(d) {
+      var t = svgPointTransform(projection2)(d);
+      if (d.ca) {
+        t += " rotate(" + Math.floor(d.ca) + ",0,0)";
+      }
+      return t;
+    }
+    function filterImages(images) {
+      var fromDate = context.photos().fromDate();
+      var toDate = context.photos().toDate();
+      var usernames = context.photos().usernames();
+      if (fromDate) {
+        var fromTimestamp = new Date(fromDate).getTime();
+        images = images.filter(function(item) {
+          return new Date(item.captured_at).getTime() >= fromTimestamp;
+        });
+      }
+      if (toDate) {
+        var toTimestamp = new Date(toDate).getTime();
+        images = images.filter(function(item) {
+          return new Date(item.captured_at).getTime() <= toTimestamp;
+        });
+      }
+      if (usernames) {
+        images = images.filter(function(item) {
+          return usernames.indexOf(item.captured_by) !== -1;
+        });
+      }
+      return images;
+    }
+    function filterSequences(sequences) {
+      var fromDate = context.photos().fromDate();
+      var toDate = context.photos().toDate();
+      var usernames = context.photos().usernames();
+      if (fromDate) {
+        var fromTimestamp = new Date(fromDate).getTime();
+        sequences = sequences.filter(function(image) {
+          return new Date(image.properties.captured_at).getTime() >= fromTimestamp;
+        });
+      }
+      if (toDate) {
+        var toTimestamp = new Date(toDate).getTime();
+        sequences = sequences.filter(function(image) {
+          return new Date(image.properties.captured_at).getTime() <= toTimestamp;
+        });
+      }
+      if (usernames) {
+        sequences = sequences.filter(function(image) {
+          return usernames.indexOf(image.properties.captured_by) !== -1;
+        });
+      }
+      return sequences;
+    }
+    function update() {
+      var viewer = context.container().select(".photoviewer");
+      var selected = viewer.empty() ? void 0 : viewer.datum();
+      var z = ~~context.map().zoom();
+      var showMarkers = z >= minMarkerZoom;
+      var showViewfields = z >= minViewfieldZoom;
+      var service = getService();
+      var sequences = [];
+      var images = [];
+      if (context.photos().showsFlat()) {
+        sequences = service ? service.sequences(projection2) : [];
+        images = service && showMarkers ? service.images(projection2) : [];
+        sequences = filterSequences(sequences);
+        images = filterImages(images);
+      }
+      var traces = layer.selectAll(".sequences").selectAll(".sequence").data(sequences, function(d) {
+        return d.properties.key;
+      });
+      traces.exit().remove();
+      traces = traces.enter().append("path").attr("class", "sequence").merge(traces).attr("d", svgPath(projection2).geojson);
+      var groups = layer.selectAll(".markers").selectAll(".viewfield-group").data(images, function(d) {
+        return d.key;
+      });
+      groups.exit().remove();
+      var groupsEnter = groups.enter().append("g").attr("class", "viewfield-group").on("mouseenter", mouseover).on("mouseleave", mouseout).on("click", click);
+      groupsEnter.append("g").attr("class", "viewfield-scale");
+      var markers = groups.merge(groupsEnter).sort(function(a, b) {
+        return a === selected ? 1 : b === selected ? -1 : b.loc[1] - a.loc[1];
+      }).attr("transform", transform2).select(".viewfield-scale");
+      markers.selectAll("circle").data([0]).enter().append("circle").attr("dx", "0").attr("dy", "0").attr("r", "6");
+      var viewfields = markers.selectAll(".viewfield").data(showViewfields ? [0] : []);
+      viewfields.exit().remove();
+      viewfields.enter().insert("path", "circle").attr("class", "viewfield").attr("transform", "scale(1.5,1.5),translate(-8, -13)").attr("d", "M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z");
+    }
+    function drawImages(selection2) {
+      var enabled = svgKartaviewImages.enabled, service = getService();
+      layer = selection2.selectAll(".layer-kartaview").data(service ? [0] : []);
+      layer.exit().remove();
+      var layerEnter = layer.enter().append("g").attr("class", "layer-kartaview").style("display", enabled ? "block" : "none");
+      layerEnter.append("g").attr("class", "sequences");
+      layerEnter.append("g").attr("class", "markers");
+      layer = layerEnter.merge(layer);
+      if (enabled) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          update();
+          service.loadImages(projection2);
+        } else {
+          editOff();
+        }
+      }
+    }
+    drawImages.enabled = function(_) {
+      if (!arguments.length)
+        return svgKartaviewImages.enabled;
+      svgKartaviewImages.enabled = _;
+      if (svgKartaviewImages.enabled) {
+        showLayer();
+        context.photos().on("change.kartaview_images", update);
+      } else {
+        hideLayer();
+        context.photos().on("change.kartaview_images", null);
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    drawImages.supported = function() {
+      return !!getService();
+    };
+    init2();
+    return drawImages;
+  }
+
+  // modules/svg/osm.js
+  function svgOsm(projection2, context, dispatch10) {
+    var enabled = true;
+    function drawOsm(selection2) {
+      selection2.selectAll(".layer-osm").data(["covered", "areas", "lines", "points", "labels"]).enter().append("g").attr("class", function(d) {
+        return "layer-osm " + d;
+      });
+      selection2.selectAll(".layer-osm.points").selectAll(".points-group").data(["points", "midpoints", "vertices", "turns"]).enter().append("g").attr("class", function(d) {
+        return "points-group " + d;
+      });
+    }
+    function showLayer() {
+      var layer = context.surface().selectAll(".data-layer.osm");
+      layer.interrupt();
+      layer.classed("disabled", false).style("opacity", 0).transition().duration(250).style("opacity", 1).on("end interrupt", function() {
+        dispatch10.call("change");
+      });
+    }
+    function hideLayer() {
+      var layer = context.surface().selectAll(".data-layer.osm");
+      layer.interrupt();
+      layer.transition().duration(250).style("opacity", 0).on("end interrupt", function() {
+        layer.classed("disabled", true);
+        dispatch10.call("change");
+      });
+    }
+    drawOsm.enabled = function(val) {
+      if (!arguments.length)
+        return enabled;
+      enabled = val;
+      if (enabled) {
+        showLayer();
+      } else {
+        hideLayer();
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    return drawOsm;
+  }
+
+  // modules/svg/notes.js
+  var _notesEnabled = false;
+  var _osmService;
+  function svgNotes(projection2, context, dispatch10) {
+    if (!dispatch10) {
+      dispatch10 = dispatch_default("change");
+    }
+    var throttledRedraw = throttle_default(function() {
+      dispatch10.call("change");
+    }, 1e3);
+    var minZoom3 = 12;
+    var touchLayer = select_default2(null);
+    var drawLayer = select_default2(null);
+    var _notesVisible = false;
+    function markerPath(selection2, klass) {
+      selection2.attr("class", klass).attr("transform", "translate(-8, -22)").attr("d", "m17.5,0l-15,0c-1.37,0 -2.5,1.12 -2.5,2.5l0,11.25c0,1.37 1.12,2.5 2.5,2.5l3.75,0l0,3.28c0,0.38 0.43,0.6 0.75,0.37l4.87,-3.65l5.62,0c1.37,0 2.5,-1.12 2.5,-2.5l0,-11.25c0,-1.37 -1.12,-2.5 -2.5,-2.5z");
+    }
+    function getService() {
+      if (services.osm && !_osmService) {
+        _osmService = services.osm;
+        _osmService.on("loadedNotes", throttledRedraw);
+      } else if (!services.osm && _osmService) {
+        _osmService = null;
+      }
+      return _osmService;
+    }
+    function editOn() {
+      if (!_notesVisible) {
+        _notesVisible = true;
+        drawLayer.style("display", "block");
+      }
+    }
+    function editOff() {
+      if (_notesVisible) {
+        _notesVisible = false;
+        drawLayer.style("display", "none");
+        drawLayer.selectAll(".note").remove();
+        touchLayer.selectAll(".note").remove();
+      }
+    }
+    function layerOn() {
+      editOn();
+      drawLayer.style("opacity", 0).transition().duration(250).style("opacity", 1).on("end interrupt", function() {
+        dispatch10.call("change");
+      });
+    }
+    function layerOff() {
+      throttledRedraw.cancel();
+      drawLayer.interrupt();
+      touchLayer.selectAll(".note").remove();
+      drawLayer.transition().duration(250).style("opacity", 0).on("end interrupt", function() {
+        editOff();
+        dispatch10.call("change");
+      });
+    }
+    function updateMarkers() {
+      if (!_notesVisible || !_notesEnabled)
+        return;
+      var service = getService();
+      var selectedID = context.selectedNoteID();
+      var data = service ? service.notes(projection2) : [];
+      var getTransform = svgPointTransform(projection2);
+      var notes = drawLayer.selectAll(".note").data(data, function(d) {
+        return d.status + d.id;
+      });
+      notes.exit().remove();
+      var notesEnter = notes.enter().append("g").attr("class", function(d) {
+        return "note note-" + d.id + " " + d.status;
+      }).classed("new", function(d) {
+        return d.id < 0;
+      });
+      notesEnter.append("ellipse").attr("cx", 0.5).attr("cy", 1).attr("rx", 6.5).attr("ry", 3).attr("class", "stroke");
+      notesEnter.append("path").call(markerPath, "shadow");
+      notesEnter.append("use").attr("class", "note-fill").attr("width", "20px").attr("height", "20px").attr("x", "-8px").attr("y", "-22px").attr("xlink:href", "#iD-icon-note");
+      notesEnter.selectAll(".icon-annotation").data(function(d) {
+        return [d];
+      }).enter().append("use").attr("class", "icon-annotation").attr("width", "10px").attr("height", "10px").attr("x", "-3px").attr("y", "-19px").attr("xlink:href", function(d) {
+        if (d.id < 0)
+          return "#iD-icon-plus";
+        if (d.status === "open")
+          return "#iD-icon-close";
+        return "#iD-icon-apply";
+      });
+      notes.merge(notesEnter).sort(sortY).classed("selected", function(d) {
+        var mode = context.mode();
+        var isMoving = mode && mode.id === "drag-note";
+        return !isMoving && d.id === selectedID;
+      }).attr("transform", getTransform);
+      if (touchLayer.empty())
+        return;
+      var fillClass = context.getDebug("target") ? "pink " : "nocolor ";
+      var targets = touchLayer.selectAll(".note").data(data, function(d) {
+        return d.id;
+      });
+      targets.exit().remove();
+      targets.enter().append("rect").attr("width", "20px").attr("height", "20px").attr("x", "-8px").attr("y", "-22px").merge(targets).sort(sortY).attr("class", function(d) {
+        var newClass = d.id < 0 ? "new" : "";
+        return "note target note-" + d.id + " " + fillClass + newClass;
+      }).attr("transform", getTransform);
+      function sortY(a, b) {
+        if (a.id === selectedID)
+          return 1;
+        if (b.id === selectedID)
+          return -1;
+        return b.loc[1] - a.loc[1];
+      }
+    }
+    function drawNotes(selection2) {
+      var service = getService();
+      var surface = context.surface();
+      if (surface && !surface.empty()) {
+        touchLayer = surface.selectAll(".data-layer.touch .layer-touch.markers");
+      }
+      drawLayer = selection2.selectAll(".layer-notes").data(service ? [0] : []);
+      drawLayer.exit().remove();
+      drawLayer = drawLayer.enter().append("g").attr("class", "layer-notes").style("display", _notesEnabled ? "block" : "none").merge(drawLayer);
+      if (_notesEnabled) {
+        if (service && ~~context.map().zoom() >= minZoom3) {
+          editOn();
+          service.loadNotes(projection2);
+          updateMarkers();
+        } else {
+          editOff();
+        }
+      }
+    }
+    drawNotes.enabled = function(val) {
+      if (!arguments.length)
+        return _notesEnabled;
+      _notesEnabled = val;
+      if (_notesEnabled) {
+        layerOn();
+      } else {
+        layerOff();
+        if (context.selectedNoteID()) {
+          context.enter(modeBrowse(context));
+        }
+      }
+      dispatch10.call("change");
+      return this;
+    };
+    return drawNotes;
+  }
+
+  // modules/svg/touch.js
+  function svgTouch() {
+    function drawTouch(selection2) {
+      selection2.selectAll(".layer-touch").data(["areas", "lines", "points", "turns", "markers"]).enter().append("g").attr("class", function(d) {
+        return "layer-touch " + d;
+      });
+    }
+    return drawTouch;
+  }
+
+  // modules/util/dimensions.js
+  function refresh(selection2, node) {
+    var cr = node.getBoundingClientRect();
+    var prop = [cr.width, cr.height];
+    selection2.property("__dimensions__", prop);
+    return prop;
+  }
+  function utilGetDimensions(selection2, force) {
+    if (!selection2 || selection2.empty()) {
+      return [0, 0];
+    }
+    var node = selection2.node(), cached = selection2.property("__dimensions__");
+    return !cached || force ? refresh(selection2, node) : cached;
+  }
+  function utilSetDimensions(selection2, dimensions) {
+    if (!selection2 || selection2.empty()) {
+      return selection2;
+    }
+    var node = selection2.node();
+    if (dimensions === null) {
+      refresh(selection2, node);
+      return selection2;
+    }
+    return selection2.property("__dimensions__", [dimensions[0], dimensions[1]]).attr("width", dimensions[0]).attr("height", dimensions[1]);
+  }
+
+  // modules/svg/layers.js
+  function svgLayers(projection2, context) {
+    var dispatch10 = dispatch_default("change");
+    var svg2 = select_default2(null);
+    var _layers = [
+      { id: "osm", layer: svgOsm(projection2, context, dispatch10) },
+      { id: "notes", layer: svgNotes(projection2, context, dispatch10) },
+      { id: "data", layer: svgData(projection2, context, dispatch10) },
+      { id: "keepRight", layer: svgKeepRight(projection2, context, dispatch10) },
+      { id: "improveOSM", layer: svgImproveOSM(projection2, context, dispatch10) },
+      { id: "osmose", layer: svgOsmose(projection2, context, dispatch10) },
+      { id: "streetside", layer: svgStreetside(projection2, context, dispatch10) },
+      { id: "mapillary", layer: svgMapillaryImages(projection2, context, dispatch10) },
+      { id: "mapillary-position", layer: svgMapillaryPosition(projection2, context, dispatch10) },
+      { id: "mapillary-map-features", layer: svgMapillaryMapFeatures(projection2, context, dispatch10) },
+      { id: "mapillary-signs", layer: svgMapillarySigns(projection2, context, dispatch10) },
+      { id: "kartaview", layer: svgKartaviewImages(projection2, context, dispatch10) },
+      { id: "debug", layer: svgDebug(projection2, context, dispatch10) },
+      { id: "geolocate", layer: svgGeolocate(projection2, context, dispatch10) },
+      { id: "touch", layer: svgTouch(projection2, context, dispatch10) }
+    ];
+    function drawLayers(selection2) {
+      svg2 = selection2.selectAll(".surface").data([0]);
+      svg2 = svg2.enter().append("svg").attr("class", "surface").merge(svg2);
+      var defs = svg2.selectAll(".surface-defs").data([0]);
+      defs.enter().append("defs").attr("class", "surface-defs");
+      var groups = svg2.selectAll(".data-layer").data(_layers);
+      groups.exit().remove();
+      groups.enter().append("g").attr("class", function(d) {
+        return "data-layer " + d.id;
+      }).merge(groups).each(function(d) {
+        select_default2(this).call(d.layer);
+      });
+    }
+    drawLayers.all = function() {
+      return _layers;
+    };
+    drawLayers.layer = function(id2) {
+      var obj = _layers.find(function(o) {
+        return o.id === id2;
+      });
+      return obj && obj.layer;
+    };
+    drawLayers.only = function(what) {
+      var arr = [].concat(what);
+      var all = _layers.map(function(layer) {
+        return layer.id;
+      });
+      return drawLayers.remove(utilArrayDifference(all, arr));
+    };
+    drawLayers.remove = function(what) {
+      var arr = [].concat(what);
+      arr.forEach(function(id2) {
+        _layers = _layers.filter(function(o) {
+          return o.id !== id2;
+        });
+      });
+      dispatch10.call("change");
+      return this;
+    };
+    drawLayers.add = function(what) {
+      var arr = [].concat(what);
+      arr.forEach(function(obj) {
+        if ("id" in obj && "layer" in obj) {
+          _layers.push(obj);
+        }
+      });
+      dispatch10.call("change");
+      return this;
+    };
+    drawLayers.dimensions = function(val) {
+      if (!arguments.length)
+        return utilGetDimensions(svg2);
+      utilSetDimensions(svg2, val);
+      return this;
+    };
+    return utilRebind(drawLayers, dispatch10, "on");
+  }
+
+  // modules/svg/lines.js
+  var import_fast_deep_equal6 = __toESM(require_fast_deep_equal());
+  function svgLines(projection2, context) {
+    var detected = utilDetect();
+    var highway_stack = {
+      motorway: 0,
+      motorway_link: 1,
+      trunk: 2,
+      trunk_link: 3,
+      primary: 4,
+      primary_link: 5,
+      secondary: 6,
+      tertiary: 7,
+      unclassified: 8,
+      residential: 9,
+      service: 10,
+      footway: 11
+    };
+    function drawTargets(selection2, graph, entities, filter2) {
+      var targetClass = context.getDebug("target") ? "pink " : "nocolor ";
+      var nopeClass = context.getDebug("target") ? "red " : "nocolor ";
+      var getPath = svgPath(projection2).geojson;
+      var activeID = context.activeID();
+      var base = context.history().base();
+      var data = { targets: [], nopes: [] };
+      entities.forEach(function(way) {
+        var features = svgSegmentWay(way, graph, activeID);
+        data.targets.push.apply(data.targets, features.passive);
+        data.nopes.push.apply(data.nopes, features.active);
+      });
+      var targetData = data.targets.filter(getPath);
+      var targets = selection2.selectAll(".line.target-allowed").filter(function(d) {
+        return filter2(d.properties.entity);
+      }).data(targetData, function key(d) {
+        return d.id;
+      });
+      targets.exit().remove();
+      var segmentWasEdited = function(d) {
+        var wayID = d.properties.entity.id;
+        if (!base.entities[wayID] || !(0, import_fast_deep_equal6.default)(graph.entities[wayID].nodes, base.entities[wayID].nodes)) {
+          return false;
+        }
+        return d.properties.nodes.some(function(n2) {
+          return !base.entities[n2.id] || !(0, import_fast_deep_equal6.default)(graph.entities[n2.id].loc, base.entities[n2.id].loc);
+        });
+      };
+      targets.enter().append("path").merge(targets).attr("d", getPath).attr("class", function(d) {
+        return "way line target target-allowed " + targetClass + d.id;
+      }).classed("segment-edited", segmentWasEdited);
+      var nopeData = data.nopes.filter(getPath);
+      var nopes = selection2.selectAll(".line.target-nope").filter(function(d) {
+        return filter2(d.properties.entity);
+      }).data(nopeData, function key(d) {
+        return d.id;
+      });
+      nopes.exit().remove();
+      nopes.enter().append("path").merge(nopes).attr("d", getPath).attr("class", function(d) {
+        return "way line target target-nope " + nopeClass + d.id;
+      }).classed("segment-edited", segmentWasEdited);
+    }
+    function drawLines(selection2, graph, entities, filter2) {
+      var base = context.history().base();
+      function waystack(a, b) {
+        var selected = context.selectedIDs();
+        var scoreA = selected.indexOf(a.id) !== -1 ? 20 : 0;
+        var scoreB = selected.indexOf(b.id) !== -1 ? 20 : 0;
+        if (a.tags.highway) {
+          scoreA -= highway_stack[a.tags.highway];
+        }
+        if (b.tags.highway) {
+          scoreB -= highway_stack[b.tags.highway];
+        }
+        return scoreA - scoreB;
+      }
+      function drawLineGroup(selection3, klass, isSelected) {
+        var mode = context.mode();
+        var isDrawing = mode && /^draw/.test(mode.id);
+        var selectedClass = !isDrawing && isSelected ? "selected " : "";
+        var lines = selection3.selectAll("path").filter(filter2).data(getPathData(isSelected), osmEntity.key);
+        lines.exit().remove();
+        lines.enter().append("path").attr("class", function(d) {
+          var prefix = "way line";
+          if (!d.hasInterestingTags()) {
+            var parentRelations = graph.parentRelations(d);
+            var parentMultipolygons = parentRelations.filter(function(relation) {
+              return relation.isMultipolygon();
+            });
+            if (parentMultipolygons.length > 0 && // and only multipolygon relations
+            parentRelations.length === parentMultipolygons.length) {
+              prefix = "relation area";
+            }
+          }
+          var oldMPClass = oldMultiPolygonOuters[d.id] ? "old-multipolygon " : "";
+          return prefix + " " + klass + " " + selectedClass + oldMPClass + d.id;
+        }).classed("added", function(d) {
+          return !base.entities[d.id];
+        }).classed("geometry-edited", function(d) {
+          return graph.entities[d.id] && base.entities[d.id] && !(0, import_fast_deep_equal6.default)(graph.entities[d.id].nodes, base.entities[d.id].nodes);
+        }).classed("retagged", function(d) {
+          return graph.entities[d.id] && base.entities[d.id] && !(0, import_fast_deep_equal6.default)(graph.entities[d.id].tags, base.entities[d.id].tags);
+        }).call(svgTagClasses()).merge(lines).sort(waystack).attr("d", getPath).call(svgTagClasses().tags(svgRelationMemberTags(graph)));
+        return selection3;
+      }
+      function getPathData(isSelected) {
+        return function() {
+          var layer = this.parentNode.__data__;
+          var data = pathdata[layer] || [];
+          return data.filter(function(d) {
+            if (isSelected) {
+              return context.selectedIDs().indexOf(d.id) !== -1;
+            } else {
+              return context.selectedIDs().indexOf(d.id) === -1;
+            }
+          });
+        };
+      }
+      function addMarkers(layergroup, pathclass, groupclass, groupdata, marker) {
+        var markergroup = layergroup.selectAll("g." + groupclass).data([pathclass]);
+        markergroup = markergroup.enter().append("g").attr("class", groupclass).merge(markergroup);
+        var markers = markergroup.selectAll("path").filter(filter2).data(
+          function data() {
+            return groupdata[this.parentNode.__data__] || [];
+          },
+          function key(d) {
+            return [d.id, d.index];
+          }
+        );
+        markers.exit().remove();
+        markers = markers.enter().append("path").attr("class", pathclass).merge(markers).attr("marker-mid", marker).attr("d", function(d) {
+          return d.d;
+        });
+        if (detected.ie) {
+          markers.each(function() {
+            this.parentNode.insertBefore(this, this);
+          });
+        }
+      }
+      var getPath = svgPath(projection2, graph);
+      var ways = [];
+      var onewaydata = {};
+      var sideddata = {};
+      var oldMultiPolygonOuters = {};
+      for (var i2 = 0; i2 < entities.length; i2++) {
+        var entity = entities[i2];
+        var outer = osmOldMultipolygonOuterMember(entity, graph);
+        if (outer) {
+          ways.push(entity.mergeTags(outer.tags));
+          oldMultiPolygonOuters[outer.id] = true;
+        } else if (entity.geometry(graph) === "line" || entity.geometry(graph) === "area" && entity.sidednessIdentifier && entity.sidednessIdentifier() === "coastline") {
+          ways.push(entity);
+        }
+      }
+      ways = ways.filter(getPath);
+      var pathdata = utilArrayGroupBy(ways, function(way) {
+        return way.layer();
+      });
+      Object.keys(pathdata).forEach(function(k) {
+        var v = pathdata[k];
+        var onewayArr = v.filter(function(d) {
+          return d.isOneWay();
+        });
+        var onewaySegments = svgMarkerSegments(
+          projection2,
+          graph,
+          35,
+          function shouldReverse(entity2) {
+            return entity2.tags.oneway === "-1";
+          },
+          function bothDirections(entity2) {
+            return entity2.tags.oneway === "reversible" || entity2.tags.oneway === "alternating";
+          }
+        );
+        onewaydata[k] = utilArrayFlatten(onewayArr.map(onewaySegments));
+        var sidedArr = v.filter(function(d) {
+          return d.isSided();
+        });
+        var sidedSegments = svgMarkerSegments(
+          projection2,
+          graph,
+          30,
+          function shouldReverse() {
+            return false;
+          },
+          function bothDirections() {
+            return false;
+          }
+        );
+        sideddata[k] = utilArrayFlatten(sidedArr.map(sidedSegments));
+      });
+      var covered = selection2.selectAll(".layer-osm.covered");
+      var uncovered = selection2.selectAll(".layer-osm.lines");
+      var touchLayer = selection2.selectAll(".layer-touch.lines");
+      [covered, uncovered].forEach(function(selection3) {
+        var range3 = selection3 === covered ? range(-10, 0) : range(0, 11);
+        var layergroup = selection3.selectAll("g.layergroup").data(range3);
+        layergroup = layergroup.enter().append("g").attr("class", function(d) {
+          return "layergroup layer" + String(d);
+        }).merge(layergroup);
+        layergroup.selectAll("g.linegroup").data(["shadow", "casing", "stroke", "shadow-highlighted", "casing-highlighted", "stroke-highlighted"]).enter().append("g").attr("class", function(d) {
+          return "linegroup line-" + d;
+        });
+        layergroup.selectAll("g.line-shadow").call(drawLineGroup, "shadow", false);
+        layergroup.selectAll("g.line-casing").call(drawLineGroup, "casing", false);
+        layergroup.selectAll("g.line-stroke").call(drawLineGroup, "stroke", false);
+        layergroup.selectAll("g.line-shadow-highlighted").call(drawLineGroup, "shadow", true);
+        layergroup.selectAll("g.line-casing-highlighted").call(drawLineGroup, "casing", true);
+        layergroup.selectAll("g.line-stroke-highlighted").call(drawLineGroup, "stroke", true);
+        addMarkers(layergroup, "oneway", "onewaygroup", onewaydata, "url(#ideditor-oneway-marker)");
+        addMarkers(
+          layergroup,
+          "sided",
+          "sidedgroup",
+          sideddata,
+          function marker(d) {
+            var category = graph.entity(d.id).sidednessIdentifier();
+            return "url(#ideditor-sided-marker-" + category + ")";
+          }
+        );
+      });
+      touchLayer.call(drawTargets, graph, ways, filter2);
+    }
+    return drawLines;
+  }
+
+  // modules/svg/midpoints.js
+  function svgMidpoints(projection2, context) {
+    var targetRadius = 8;
+    function drawTargets(selection2, graph, entities, filter2) {
+      var fillClass = context.getDebug("target") ? "pink " : "nocolor ";
+      var getTransform = svgPointTransform(projection2).geojson;
+      var data = entities.map(function(midpoint) {
+        return {
+          type: "Feature",
+          id: midpoint.id,
+          properties: {
+            target: true,
+            entity: midpoint
+          },
+          geometry: {
+            type: "Point",
+            coordinates: midpoint.loc
+          }
+        };
+      });
+      var targets = selection2.selectAll(".midpoint.target").filter(function(d) {
+        return filter2(d.properties.entity);
+      }).data(data, function key(d) {
+        return d.id;
+      });
+      targets.exit().remove();
+      targets.enter().append("circle").attr("r", targetRadius).merge(targets).attr("class", function(d) {
+        return "node midpoint target " + fillClass + d.id;
+      }).attr("transform", getTransform);
+    }
+    function drawMidpoints(selection2, graph, entities, filter2, extent) {
+      var drawLayer = selection2.selectAll(".layer-osm.points .points-group.midpoints");
+      var touchLayer = selection2.selectAll(".layer-touch.points");
+      var mode = context.mode();
+      if (mode && mode.id !== "select" || !context.map().withinEditableZoom()) {
+        drawLayer.selectAll(".midpoint").remove();
+        touchLayer.selectAll(".midpoint.target").remove();
+        return;
+      }
+      var poly = extent.polygon();
+      var midpoints = {};
+      for (var i2 = 0; i2 < entities.length; i2++) {
+        var entity = entities[i2];
+        if (entity.type !== "way")
+          continue;
+        if (!filter2(entity))
+          continue;
+        if (context.selectedIDs().indexOf(entity.id) < 0)
+          continue;
+        var nodes = graph.childNodes(entity);
+        for (var j2 = 0; j2 < nodes.length - 1; j2++) {
+          var a = nodes[j2];
+          var b = nodes[j2 + 1];
+          var id2 = [a.id, b.id].sort().join("-");
+          if (midpoints[id2]) {
+            midpoints[id2].parents.push(entity);
+          } else if (geoVecLength(projection2(a.loc), projection2(b.loc)) > 40) {
+            var point2 = geoVecInterp(a.loc, b.loc, 0.5);
+            var loc = null;
+            if (extent.intersects(point2)) {
+              loc = point2;
+            } else {
+              for (var k = 0; k < 4; k++) {
+                point2 = geoLineIntersection([a.loc, b.loc], [poly[k], poly[k + 1]]);
+                if (point2 && geoVecLength(projection2(a.loc), projection2(point2)) > 20 && geoVecLength(projection2(b.loc), projection2(point2)) > 20) {
+                  loc = point2;
+                  break;
+                }
+              }
+            }
+            if (loc) {
+              midpoints[id2] = {
+                type: "midpoint",
+                id: id2,
+                loc,
+                edge: [a.id, b.id],
+                parents: [entity]
+              };
+            }
+          }
+        }
+      }
+      function midpointFilter(d) {
+        if (midpoints[d.id])
+          return true;
+        for (var i3 = 0; i3 < d.parents.length; i3++) {
+          if (filter2(d.parents[i3])) {
+            return true;
+          }
+        }
+        return false;
+      }
+      var groups = drawLayer.selectAll(".midpoint").filter(midpointFilter).data(Object.values(midpoints), function(d) {
+        return d.id;
+      });
+      groups.exit().remove();
+      var enter = groups.enter().insert("g", ":first-child").attr("class", "midpoint");
+      enter.append("polygon").attr("points", "-6,8 10,0 -6,-8").attr("class", "shadow");
+      enter.append("polygon").attr("points", "-3,4 5,0 -3,-4").attr("class", "fill");
+      groups = groups.merge(enter).attr("transform", function(d) {
+        var translate = svgPointTransform(projection2);
+        var a2 = graph.entity(d.edge[0]);
+        var b2 = graph.entity(d.edge[1]);
+        var angle2 = geoAngle(a2, b2, projection2) * (180 / Math.PI);
+        return translate(d) + " rotate(" + angle2 + ")";
+      }).call(svgTagClasses().tags(
+        function(d) {
+          return d.parents[0].tags;
+        }
+      ));
+      groups.select("polygon.shadow");
+      groups.select("polygon.fill");
+      touchLayer.call(drawTargets, graph, Object.values(midpoints), midpointFilter);
+    }
+    return drawMidpoints;
+  }
+
+  // modules/svg/points.js
+  var import_fast_deep_equal7 = __toESM(require_fast_deep_equal());
+  function svgPoints(projection2, context) {
+    function markerPath(selection2, klass) {
+      selection2.attr("class", klass).attr("transform", "translate(-8, -23)").attr("d", "M 17,8 C 17,13 11,21 8.5,23.5 C 6,21 0,13 0,8 C 0,4 4,-0.5 8.5,-0.5 C 13,-0.5 17,4 17,8 z");
+    }
+    function sortY(a, b) {
+      return b.loc[1] - a.loc[1];
+    }
+    function fastEntityKey(d) {
+      var mode = context.mode();
+      var isMoving = mode && /^(add|draw|drag|move|rotate)/.test(mode.id);
+      return isMoving ? d.id : osmEntity.key(d);
+    }
+    function drawTargets(selection2, graph, entities, filter2) {
+      var fillClass = context.getDebug("target") ? "pink " : "nocolor ";
+      var getTransform = svgPointTransform(projection2).geojson;
+      var activeID = context.activeID();
+      var data = [];
+      entities.forEach(function(node) {
+        if (activeID === node.id)
+          return;
+        data.push({
+          type: "Feature",
+          id: node.id,
+          properties: {
+            target: true,
+            entity: node
+          },
+          geometry: node.asGeoJSON()
+        });
+      });
+      var targets = selection2.selectAll(".point.target").filter(function(d) {
+        return filter2(d.properties.entity);
+      }).data(data, function key(d) {
+        return d.id;
+      });
+      targets.exit().remove();
+      targets.enter().append("rect").attr("x", -10).attr("y", -26).attr("width", 20).attr("height", 30).merge(targets).attr("class", function(d) {
+        return "node point target " + fillClass + d.id;
+      }).attr("transform", getTransform);
+    }
+    function drawPoints(selection2, graph, entities, filter2) {
+      var wireframe = context.surface().classed("fill-wireframe");
+      var zoom = geoScaleToZoom(projection2.scale());
+      var base = context.history().base();
+      function renderAsPoint(entity) {
+        return entity.geometry(graph) === "point" && !(zoom >= 18 && entity.directions(graph, projection2).length);
+      }
+      var points = wireframe ? [] : entities.filter(renderAsPoint);
+      points.sort(sortY);
+      var drawLayer = selection2.selectAll(".layer-osm.points .points-group.points");
+      var touchLayer = selection2.selectAll(".layer-touch.points");
+      var groups = drawLayer.selectAll("g.point").filter(filter2).data(points, fastEntityKey);
+      groups.exit().remove();
+      var enter = groups.enter().append("g").attr("class", function(d) {
+        return "node point " + d.id;
+      }).order();
+      enter.append("path").call(markerPath, "shadow");
+      enter.append("ellipse").attr("cx", 0.5).attr("cy", 1).attr("rx", 6.5).attr("ry", 3).attr("class", "stroke");
+      enter.append("path").call(markerPath, "stroke");
+      enter.append("use").attr("transform", "translate(-5.5, -20)").attr("class", "icon").attr("width", "12px").attr("height", "12px");
+      groups = groups.merge(enter).attr("transform", svgPointTransform(projection2)).classed("added", function(d) {
+        return !base.entities[d.id];
+      }).classed("moved", function(d) {
+        return base.entities[d.id] && !(0, import_fast_deep_equal7.default)(graph.entities[d.id].loc, base.entities[d.id].loc);
+      }).classed("retagged", function(d) {
+        return base.entities[d.id] && !(0, import_fast_deep_equal7.default)(graph.entities[d.id].tags, base.entities[d.id].tags);
+      }).call(svgTagClasses());
+      groups.select(".shadow");
+      groups.select(".stroke");
+      groups.select(".icon").attr("xlink:href", function(entity) {
+        var preset = _mainPresetIndex.match(entity, graph);
+        var picon = preset && preset.icon;
+        return picon ? "#" + picon : "";
+      });
+      touchLayer.call(drawTargets, graph, points, filter2);
+    }
+    return drawPoints;
+  }
+
+  // modules/svg/turns.js
+  function svgTurns(projection2, context) {
+    function icon2(turn) {
+      var u = turn.u ? "-u" : "";
+      if (turn.no)
+        return "#iD-turn-no" + u;
+      if (turn.only)
+        return "#iD-turn-only" + u;
+      return "#iD-turn-yes" + u;
+    }
+    function drawTurns(selection2, graph, turns) {
+      function turnTransform(d) {
+        var pxRadius = 50;
+        var toWay = graph.entity(d.to.way);
+        var toPoints = graph.childNodes(toWay).map(function(n2) {
+          return n2.loc;
+        }).map(projection2);
+        var toLength = geoPathLength(toPoints);
+        var mid = toLength / 2;
+        var toNode = graph.entity(d.to.node);
+        var toVertex = graph.entity(d.to.vertex);
+        var a = geoAngle(toVertex, toNode, projection2);
+        var o = projection2(toVertex.loc);
+        var r = d.u ? 0 : !toWay.__via ? pxRadius : Math.min(mid, pxRadius);
+        return "translate(" + (r * Math.cos(a) + o[0]) + "," + (r * Math.sin(a) + o[1]) + ") rotate(" + a * 180 / Math.PI + ")";
+      }
+      var drawLayer = selection2.selectAll(".layer-osm.points .points-group.turns");
+      var touchLayer = selection2.selectAll(".layer-touch.turns");
+      var groups = drawLayer.selectAll("g.turn").data(turns, function(d) {
+        return d.key;
+      });
+      groups.exit().remove();
+      var groupsEnter = groups.enter().append("g").attr("class", function(d) {
+        return "turn " + d.key;
+      });
+      var turnsEnter = groupsEnter.filter(function(d) {
+        return !d.u;
+      });
+      turnsEnter.append("rect").attr("transform", "translate(-22, -12)").attr("width", "44").attr("height", "24");
+      turnsEnter.append("use").attr("transform", "translate(-22, -12)").attr("width", "44").attr("height", "24");
+      var uEnter = groupsEnter.filter(function(d) {
+        return d.u;
+      });
+      uEnter.append("circle").attr("r", "16");
+      uEnter.append("use").attr("transform", "translate(-16, -16)").attr("width", "32").attr("height", "32");
+      groups = groups.merge(groupsEnter).attr("opacity", function(d) {
+        return d.direct === false ? "0.7" : null;
+      }).attr("transform", turnTransform);
+      groups.select("use").attr("xlink:href", icon2);
+      groups.select("rect");
+      groups.select("circle");
+      var fillClass = context.getDebug("target") ? "pink " : "nocolor ";
+      groups = touchLayer.selectAll("g.turn").data(turns, function(d) {
+        return d.key;
+      });
+      groups.exit().remove();
+      groupsEnter = groups.enter().append("g").attr("class", function(d) {
+        return "turn " + d.key;
+      });
+      turnsEnter = groupsEnter.filter(function(d) {
+        return !d.u;
+      });
+      turnsEnter.append("rect").attr("class", "target " + fillClass).attr("transform", "translate(-22, -12)").attr("width", "44").attr("height", "24");
+      uEnter = groupsEnter.filter(function(d) {
+        return d.u;
+      });
+      uEnter.append("circle").attr("class", "target " + fillClass).attr("r", "16");
+      groups = groups.merge(groupsEnter).attr("transform", turnTransform);
+      groups.select("rect");
+      groups.select("circle");
+      return this;
+    }
+    return drawTurns;
+  }
+
+  // modules/svg/vertices.js
+  var import_fast_deep_equal8 = __toESM(require_fast_deep_equal());
+  function svgVertices(projection2, context) {
+    var radiuses = {
+      //       z16-, z17,   z18+,  w/icon
+      shadow: [6, 7.5, 7.5, 12],
+      stroke: [2.5, 3.5, 3.5, 8],
+      fill: [1, 1.5, 1.5, 1.5]
+    };
+    var _currHoverTarget;
+    var _currPersistent = {};
+    var _currHover = {};
+    var _prevHover = {};
+    var _currSelected = {};
+    var _prevSelected = {};
+    var _radii = {};
+    function sortY(a, b) {
+      return b.loc[1] - a.loc[1];
+    }
+    function fastEntityKey(d) {
+      var mode = context.mode();
+      var isMoving = mode && /^(add|draw|drag|move|rotate)/.test(mode.id);
+      return isMoving ? d.id : osmEntity.key(d);
+    }
+    function draw(selection2, graph, vertices, sets2, filter2) {
+      sets2 = sets2 || { selected: {}, important: {}, hovered: {} };
+      var icons = {};
+      var directions = {};
+      var wireframe = context.surface().classed("fill-wireframe");
+      var zoom = geoScaleToZoom(projection2.scale());
+      var z = zoom < 17 ? 0 : zoom < 18 ? 1 : 2;
+      var activeID = context.activeID();
+      var base = context.history().base();
+      function getIcon(d) {
+        var entity = graph.entity(d.id);
+        if (entity.id in icons)
+          return icons[entity.id];
+        icons[entity.id] = entity.hasInterestingTags() && _mainPresetIndex.match(entity, graph).icon;
+        return icons[entity.id];
+      }
+      function getDirections(entity) {
+        if (entity.id in directions)
+          return directions[entity.id];
+        var angles = entity.directions(graph, projection2);
+        directions[entity.id] = angles.length ? angles : false;
+        return angles;
+      }
+      function updateAttributes(selection3) {
+        ["shadow", "stroke", "fill"].forEach(function(klass) {
+          var rads = radiuses[klass];
+          selection3.selectAll("." + klass).each(function(entity) {
+            var i2 = z && getIcon(entity);
+            var r = rads[i2 ? 3 : z];
+            if (entity.id !== activeID && entity.isEndpoint(graph) && !entity.isConnected(graph)) {
+              r += 1.5;
+            }
+            if (klass === "shadow") {
+              _radii[entity.id] = r;
+            }
+            select_default2(this).attr("r", r).attr("visibility", i2 && klass === "fill" ? "hidden" : null);
+          });
+        });
+      }
+      vertices.sort(sortY);
+      var groups = selection2.selectAll("g.vertex").filter(filter2).data(vertices, fastEntityKey);
+      groups.exit().remove();
+      var enter = groups.enter().append("g").attr("class", function(d) {
+        return "node vertex " + d.id;
+      }).order();
+      enter.append("circle").attr("class", "shadow");
+      enter.append("circle").attr("class", "stroke");
+      enter.filter(function(d) {
+        return d.hasInterestingTags();
+      }).append("circle").attr("class", "fill");
+      groups = groups.merge(enter).attr("transform", svgPointTransform(projection2)).classed("sibling", function(d) {
+        return d.id in sets2.selected;
+      }).classed("shared", function(d) {
+        return graph.isShared(d);
+      }).classed("endpoint", function(d) {
+        return d.isEndpoint(graph);
+      }).classed("added", function(d) {
+        return !base.entities[d.id];
+      }).classed("moved", function(d) {
+        return base.entities[d.id] && !(0, import_fast_deep_equal8.default)(graph.entities[d.id].loc, base.entities[d.id].loc);
+      }).classed("retagged", function(d) {
+        return base.entities[d.id] && !(0, import_fast_deep_equal8.default)(graph.entities[d.id].tags, base.entities[d.id].tags);
+      }).call(updateAttributes);
+      var iconUse = groups.selectAll(".icon").data(function data(d) {
+        return zoom >= 17 && getIcon(d) ? [d] : [];
+      }, fastEntityKey);
+      iconUse.exit().remove();
+      iconUse.enter().append("use").attr("class", "icon").attr("width", "12px").attr("height", "12px").attr("transform", "translate(-6, -6)").attr("xlink:href", function(d) {
+        var picon = getIcon(d);
+        return picon ? "#" + picon : "";
+      });
+      var dgroups = groups.selectAll(".viewfieldgroup").data(function data(d) {
+        return zoom >= 18 && getDirections(d) ? [d] : [];
+      }, fastEntityKey);
+      dgroups.exit().remove();
+      dgroups = dgroups.enter().insert("g", ".shadow").attr("class", "viewfieldgroup").merge(dgroups);
+      var viewfields = dgroups.selectAll(".viewfield").data(getDirections, function key(d) {
+        return osmEntity.key(d);
+      });
+      viewfields.exit().remove();
+      viewfields.enter().append("path").attr("class", "viewfield").attr("d", "M0,0H0").merge(viewfields).attr("marker-start", "url(#ideditor-viewfield-marker" + (wireframe ? "-wireframe" : "") + ")").attr("transform", function(d) {
+        return "rotate(" + d + ")";
+      });
+    }
+    function drawTargets(selection2, graph, entities, filter2) {
+      var targetClass = context.getDebug("target") ? "pink " : "nocolor ";
+      var nopeClass = context.getDebug("target") ? "red " : "nocolor ";
+      var getTransform = svgPointTransform(projection2).geojson;
+      var activeID = context.activeID();
+      var data = { targets: [], nopes: [] };
+      entities.forEach(function(node) {
+        if (activeID === node.id)
+          return;
+        var vertexType = svgPassiveVertex(node, graph, activeID);
+        if (vertexType !== 0) {
+          data.targets.push({
+            type: "Feature",
+            id: node.id,
+            properties: {
+              target: true,
+              entity: node
+            },
+            geometry: node.asGeoJSON()
+          });
+        } else {
+          data.nopes.push({
+            type: "Feature",
+            id: node.id + "-nope",
+            properties: {
+              nope: true,
+              target: true,
+              entity: node
+            },
+            geometry: node.asGeoJSON()
+          });
+        }
+      });
+      var targets = selection2.selectAll(".vertex.target-allowed").filter(function(d) {
+        return filter2(d.properties.entity);
+      }).data(data.targets, function key(d) {
+        return d.id;
+      });
+      targets.exit().remove();
+      targets.enter().append("circle").attr("r", function(d) {
+        return _radii[d.id] || radiuses.shadow[3];
+      }).merge(targets).attr("class", function(d) {
+        return "node vertex target target-allowed " + targetClass + d.id;
+      }).attr("transform", getTransform);
+      var nopes = selection2.selectAll(".vertex.target-nope").filter(function(d) {
+        return filter2(d.properties.entity);
+      }).data(data.nopes, function key(d) {
+        return d.id;
+      });
+      nopes.exit().remove();
+      nopes.enter().append("circle").attr("r", function(d) {
+        return _radii[d.properties.entity.id] || radiuses.shadow[3];
+      }).merge(nopes).attr("class", function(d) {
+        return "node vertex target target-nope " + nopeClass + d.id;
+      }).attr("transform", getTransform);
+    }
+    function renderAsVertex(entity, graph, wireframe, zoom) {
+      var geometry = entity.geometry(graph);
+      return geometry === "vertex" || geometry === "point" && (wireframe || zoom >= 18 && entity.directions(graph, projection2).length);
+    }
+    function isEditedNode(node, base, head) {
+      var baseNode = base.entities[node.id];
+      var headNode = head.entities[node.id];
+      return !headNode || !baseNode || !(0, import_fast_deep_equal8.default)(headNode.tags, baseNode.tags) || !(0, import_fast_deep_equal8.default)(headNode.loc, baseNode.loc);
+    }
+    function getSiblingAndChildVertices(ids, graph, wireframe, zoom) {
+      var results = {};
+      var seenIds = {};
+      function addChildVertices(entity) {
+        if (seenIds[entity.id])
+          return;
+        seenIds[entity.id] = true;
+        var geometry = entity.geometry(graph);
+        if (!context.features().isHiddenFeature(entity, graph, geometry)) {
+          var i2;
+          if (entity.type === "way") {
+            for (i2 = 0; i2 < entity.nodes.length; i2++) {
+              var child = graph.hasEntity(entity.nodes[i2]);
+              if (child) {
+                addChildVertices(child);
+              }
+            }
+          } else if (entity.type === "relation") {
+            for (i2 = 0; i2 < entity.members.length; i2++) {
+              var member = graph.hasEntity(entity.members[i2].id);
+              if (member) {
+                addChildVertices(member);
+              }
+            }
+          } else if (renderAsVertex(entity, graph, wireframe, zoom)) {
+            results[entity.id] = entity;
+          }
+        }
+      }
+      ids.forEach(function(id2) {
+        var entity = graph.hasEntity(id2);
+        if (!entity)
+          return;
+        if (entity.type === "node") {
+          if (renderAsVertex(entity, graph, wireframe, zoom)) {
+            results[entity.id] = entity;
+            graph.parentWays(entity).forEach(function(entity2) {
+              addChildVertices(entity2);
+            });
+          }
+        } else {
+          addChildVertices(entity);
+        }
+      });
+      return results;
+    }
+    function drawVertices(selection2, graph, entities, filter2, extent, fullRedraw) {
+      var wireframe = context.surface().classed("fill-wireframe");
+      var visualDiff = context.surface().classed("highlight-edited");
+      var zoom = geoScaleToZoom(projection2.scale());
+      var mode = context.mode();
+      var isMoving = mode && /^(add|draw|drag|move|rotate)/.test(mode.id);
+      var base = context.history().base();
+      var drawLayer = selection2.selectAll(".layer-osm.points .points-group.vertices");
+      var touchLayer = selection2.selectAll(".layer-touch.points");
+      if (fullRedraw) {
+        _currPersistent = {};
+        _radii = {};
+      }
+      for (var i2 = 0; i2 < entities.length; i2++) {
+        var entity = entities[i2];
+        var geometry = entity.geometry(graph);
+        var keep = false;
+        if (geometry === "point" && renderAsVertex(entity, graph, wireframe, zoom)) {
+          _currPersistent[entity.id] = entity;
+          keep = true;
+        } else if (geometry === "vertex" && (entity.hasInterestingTags() || entity.isEndpoint(graph) || entity.isConnected(graph) || visualDiff && isEditedNode(entity, base, graph))) {
+          _currPersistent[entity.id] = entity;
+          keep = true;
+        }
+        if (!keep && !fullRedraw) {
+          delete _currPersistent[entity.id];
+        }
+      }
+      var sets2 = {
+        persistent: _currPersistent,
+        // persistent = important vertices (render always)
+        selected: _currSelected,
+        // selected + siblings of selected (render always)
+        hovered: _currHover
+        // hovered + siblings of hovered (render only in draw modes)
+      };
+      var all = Object.assign({}, isMoving ? _currHover : {}, _currSelected, _currPersistent);
+      var filterRendered = function(d) {
+        return d.id in _currPersistent || d.id in _currSelected || d.id in _currHover || filter2(d);
+      };
+      drawLayer.call(draw, graph, currentVisible(all), sets2, filterRendered);
+      var filterTouch = function(d) {
+        return isMoving ? true : filterRendered(d);
+      };
+      touchLayer.call(drawTargets, graph, currentVisible(all), filterTouch);
+      function currentVisible(which) {
+        return Object.keys(which).map(graph.hasEntity, graph).filter(function(entity2) {
+          return entity2 && entity2.intersects(extent, graph);
+        });
+      }
+    }
+    drawVertices.drawSelected = function(selection2, graph, extent) {
+      var wireframe = context.surface().classed("fill-wireframe");
+      var zoom = geoScaleToZoom(projection2.scale());
+      _prevSelected = _currSelected || {};
+      if (context.map().isInWideSelection()) {
+        _currSelected = {};
+        context.selectedIDs().forEach(function(id2) {
+          var entity = graph.hasEntity(id2);
+          if (!entity)
+            return;
+          if (entity.type === "node") {
+            if (renderAsVertex(entity, graph, wireframe, zoom)) {
+              _currSelected[entity.id] = entity;
+            }
+          }
+        });
+      } else {
+        _currSelected = getSiblingAndChildVertices(context.selectedIDs(), graph, wireframe, zoom);
+      }
+      var filter2 = function(d) {
+        return d.id in _prevSelected;
+      };
+      drawVertices(selection2, graph, Object.values(_prevSelected), filter2, extent, false);
+    };
+    drawVertices.drawHover = function(selection2, graph, target, extent) {
+      if (target === _currHoverTarget)
+        return;
+      var wireframe = context.surface().classed("fill-wireframe");
+      var zoom = geoScaleToZoom(projection2.scale());
+      _prevHover = _currHover || {};
+      _currHoverTarget = target;
+      var entity = target && target.properties && target.properties.entity;
+      if (entity) {
+        _currHover = getSiblingAndChildVertices([entity.id], graph, wireframe, zoom);
+      } else {
+        _currHover = {};
+      }
+      var filter2 = function(d) {
+        return d.id in _prevHover;
+      };
+      drawVertices(selection2, graph, Object.values(_prevHover), filter2, extent, false);
+    };
+    return drawVertices;
+  }
+
+  // modules/util/bind_once.js
+  function utilBindOnce(target, type2, listener, capture) {
+    var typeOnce = type2 + ".once";
+    function one2() {
+      target.on(typeOnce, null);
+      listener.apply(this, arguments);
+    }
+    target.on(typeOnce, one2, capture);
+    return this;
+  }
+
+  // modules/util/zoom_pan.js
+  function defaultFilter3(d3_event) {
+    return !d3_event.ctrlKey && !d3_event.button;
+  }
+  function defaultExtent2() {
+    var e = this;
+    if (e instanceof SVGElement) {
+      e = e.ownerSVGElement || e;
+      if (e.hasAttribute("viewBox")) {
+        e = e.viewBox.baseVal;
+        return [[e.x, e.y], [e.x + e.width, e.y + e.height]];
+      }
+      return [[0, 0], [e.width.baseVal.value, e.height.baseVal.value]];
+    }
+    return [[0, 0], [e.clientWidth, e.clientHeight]];
+  }
+  function defaultWheelDelta2(d3_event) {
+    return -d3_event.deltaY * (d3_event.deltaMode === 1 ? 0.05 : d3_event.deltaMode ? 1 : 2e-3);
+  }
+  function defaultConstrain2(transform2, extent, translateExtent) {
+    var dx0 = transform2.invertX(extent[0][0]) - translateExtent[0][0], dx1 = transform2.invertX(extent[1][0]) - translateExtent[1][0], dy0 = transform2.invertY(extent[0][1]) - translateExtent[0][1], dy1 = transform2.invertY(extent[1][1]) - translateExtent[1][1];
+    return transform2.translate(
+      dx1 > dx0 ? (dx0 + dx1) / 2 : Math.min(0, dx0) || Math.max(0, dx1),
+      dy1 > dy0 ? (dy0 + dy1) / 2 : Math.min(0, dy0) || Math.max(0, dy1)
+    );
+  }
+  function utilZoomPan() {
+    var filter2 = defaultFilter3, extent = defaultExtent2, constrain = defaultConstrain2, wheelDelta = defaultWheelDelta2, scaleExtent = [0, Infinity], translateExtent = [[-Infinity, -Infinity], [Infinity, Infinity]], interpolate = zoom_default, dispatch10 = dispatch_default("start", "zoom", "end"), _wheelDelay = 150, _transform = identity2, _activeGesture;
+    function zoom(selection2) {
+      selection2.on("pointerdown.zoom", pointerdown).on("wheel.zoom", wheeled).style("touch-action", "none").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)");
+      select_default2(window).on("pointermove.zoompan", pointermove).on("pointerup.zoompan pointercancel.zoompan", pointerup);
+    }
+    zoom.transform = function(collection, transform2, point2) {
+      var selection2 = collection.selection ? collection.selection() : collection;
+      if (collection !== selection2) {
+        schedule(collection, transform2, point2);
+      } else {
+        selection2.interrupt().each(function() {
+          gesture(this, arguments).start(null).zoom(null, null, typeof transform2 === "function" ? transform2.apply(this, arguments) : transform2).end(null);
+        });
+      }
+    };
+    zoom.scaleBy = function(selection2, k, p) {
+      zoom.scaleTo(selection2, function() {
+        var k0 = _transform.k, k1 = typeof k === "function" ? k.apply(this, arguments) : k;
+        return k0 * k1;
+      }, p);
+    };
+    zoom.scaleTo = function(selection2, k, p) {
+      zoom.transform(selection2, function() {
+        var e = extent.apply(this, arguments), t0 = _transform, p02 = !p ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p, p1 = t0.invert(p02), k1 = typeof k === "function" ? k.apply(this, arguments) : k;
+        return constrain(translate(scale(t0, k1), p02, p1), e, translateExtent);
+      }, p);
+    };
+    zoom.translateBy = function(selection2, x, y) {
+      zoom.transform(selection2, function() {
+        return constrain(_transform.translate(
+          typeof x === "function" ? x.apply(this, arguments) : x,
+          typeof y === "function" ? y.apply(this, arguments) : y
+        ), extent.apply(this, arguments), translateExtent);
+      });
+    };
+    zoom.translateTo = function(selection2, x, y, p) {
+      zoom.transform(selection2, function() {
+        var e = extent.apply(this, arguments), t = _transform, p02 = !p ? centroid(e) : typeof p === "function" ? p.apply(this, arguments) : p;
+        return constrain(identity2.translate(p02[0], p02[1]).scale(t.k).translate(
+          typeof x === "function" ? -x.apply(this, arguments) : -x,
+          typeof y === "function" ? -y.apply(this, arguments) : -y
+        ), e, translateExtent);
+      }, p);
+    };
+    function scale(transform2, k) {
+      k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], k));
+      return k === transform2.k ? transform2 : new Transform(k, transform2.x, transform2.y);
+    }
+    function translate(transform2, p02, p1) {
+      var x = p02[0] - p1[0] * transform2.k, y = p02[1] - p1[1] * transform2.k;
+      return x === transform2.x && y === transform2.y ? transform2 : new Transform(transform2.k, x, y);
+    }
+    function centroid(extent2) {
+      return [(+extent2[0][0] + +extent2[1][0]) / 2, (+extent2[0][1] + +extent2[1][1]) / 2];
+    }
+    function schedule(transition2, transform2, point2) {
+      transition2.on("start.zoom", function() {
+        gesture(this, arguments).start(null);
+      }).on("interrupt.zoom end.zoom", function() {
+        gesture(this, arguments).end(null);
+      }).tween("zoom", function() {
+        var that = this, args = arguments, g = gesture(that, args), e = extent.apply(that, args), p = !point2 ? centroid(e) : typeof point2 === "function" ? point2.apply(that, args) : point2, w = Math.max(e[1][0] - e[0][0], e[1][1] - e[0][1]), a = _transform, b = typeof transform2 === "function" ? transform2.apply(that, args) : transform2, i2 = interpolate(a.invert(p).concat(w / a.k), b.invert(p).concat(w / b.k));
+        return function(t) {
+          if (t === 1) {
+            t = b;
+          } else {
+            var l = i2(t);
+            var k = w / l[2];
+            t = new Transform(k, p[0] - l[0] * k, p[1] - l[1] * k);
+          }
+          g.zoom(null, null, t);
+        };
+      });
+    }
+    function gesture(that, args, clean2) {
+      return !clean2 && _activeGesture || new Gesture(that, args);
+    }
+    function Gesture(that, args) {
+      this.that = that;
+      this.args = args;
+      this.active = 0;
+      this.extent = extent.apply(that, args);
+    }
+    Gesture.prototype = {
+      start: function(d3_event) {
+        if (++this.active === 1) {
+          _activeGesture = this;
+          dispatch10.call("start", this, d3_event);
+        }
+        return this;
+      },
+      zoom: function(d3_event, key, transform2) {
+        if (this.mouse && key !== "mouse")
+          this.mouse[1] = transform2.invert(this.mouse[0]);
+        if (this.pointer0 && key !== "touch")
+          this.pointer0[1] = transform2.invert(this.pointer0[0]);
+        if (this.pointer1 && key !== "touch")
+          this.pointer1[1] = transform2.invert(this.pointer1[0]);
+        _transform = transform2;
+        dispatch10.call("zoom", this, d3_event, key, transform2);
+        return this;
+      },
+      end: function(d3_event) {
+        if (--this.active === 0) {
+          _activeGesture = null;
+          dispatch10.call("end", this, d3_event);
+        }
+        return this;
+      }
+    };
+    function wheeled(d3_event) {
+      if (!filter2.apply(this, arguments))
+        return;
+      var g = gesture(this, arguments), t = _transform, k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], t.k * Math.pow(2, wheelDelta.apply(this, arguments)))), p = utilFastMouse(this)(d3_event);
+      if (g.wheel) {
+        if (g.mouse[0][0] !== p[0] || g.mouse[0][1] !== p[1]) {
+          g.mouse[1] = t.invert(g.mouse[0] = p);
+        }
+        clearTimeout(g.wheel);
+      } else {
+        g.mouse = [p, t.invert(p)];
+        interrupt_default(this);
+        g.start(d3_event);
+      }
+      d3_event.preventDefault();
+      d3_event.stopImmediatePropagation();
+      g.wheel = setTimeout(wheelidled, _wheelDelay);
+      g.zoom(d3_event, "mouse", constrain(translate(scale(t, k), g.mouse[0], g.mouse[1]), g.extent, translateExtent));
+      function wheelidled() {
+        g.wheel = null;
+        g.end(d3_event);
+      }
+    }
+    var _downPointerIDs = /* @__PURE__ */ new Set();
+    var _pointerLocGetter;
+    function pointerdown(d3_event) {
+      _downPointerIDs.add(d3_event.pointerId);
+      if (!filter2.apply(this, arguments))
+        return;
+      var g = gesture(this, arguments, _downPointerIDs.size === 1);
+      var started;
+      d3_event.stopImmediatePropagation();
+      _pointerLocGetter = utilFastMouse(this);
+      var loc = _pointerLocGetter(d3_event);
+      var p = [loc, _transform.invert(loc), d3_event.pointerId];
+      if (!g.pointer0) {
+        g.pointer0 = p;
+        started = true;
+      } else if (!g.pointer1 && g.pointer0[2] !== p[2]) {
+        g.pointer1 = p;
+      }
+      if (started) {
+        interrupt_default(this);
+        g.start(d3_event);
+      }
+    }
+    function pointermove(d3_event) {
+      if (!_downPointerIDs.has(d3_event.pointerId))
+        return;
+      if (!_activeGesture || !_pointerLocGetter)
+        return;
+      var g = gesture(this, arguments);
+      var isPointer0 = g.pointer0 && g.pointer0[2] === d3_event.pointerId;
+      var isPointer1 = !isPointer0 && g.pointer1 && g.pointer1[2] === d3_event.pointerId;
+      if ((isPointer0 || isPointer1) && "buttons" in d3_event && !d3_event.buttons) {
+        if (g.pointer0)
+          _downPointerIDs.delete(g.pointer0[2]);
+        if (g.pointer1)
+          _downPointerIDs.delete(g.pointer1[2]);
+        g.end(d3_event);
+        return;
+      }
+      d3_event.preventDefault();
+      d3_event.stopImmediatePropagation();
+      var loc = _pointerLocGetter(d3_event);
+      var t, p, l;
+      if (isPointer0)
+        g.pointer0[0] = loc;
+      else if (isPointer1)
+        g.pointer1[0] = loc;
+      t = _transform;
+      if (g.pointer1) {
+        var p02 = g.pointer0[0], l0 = g.pointer0[1], p1 = g.pointer1[0], l1 = g.pointer1[1], dp = (dp = p1[0] - p02[0]) * dp + (dp = p1[1] - p02[1]) * dp, dl = (dl = l1[0] - l0[0]) * dl + (dl = l1[1] - l0[1]) * dl;
+        t = scale(t, Math.sqrt(dp / dl));
+        p = [(p02[0] + p1[0]) / 2, (p02[1] + p1[1]) / 2];
+        l = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
+      } else if (g.pointer0) {
+        p = g.pointer0[0];
+        l = g.pointer0[1];
+      } else {
+        return;
+      }
+      g.zoom(d3_event, "touch", constrain(translate(t, p, l), g.extent, translateExtent));
+    }
+    function pointerup(d3_event) {
+      if (!_downPointerIDs.has(d3_event.pointerId))
+        return;
+      _downPointerIDs.delete(d3_event.pointerId);
+      if (!_activeGesture)
+        return;
+      var g = gesture(this, arguments);
+      d3_event.stopImmediatePropagation();
+      if (g.pointer0 && g.pointer0[2] === d3_event.pointerId)
+        delete g.pointer0;
+      else if (g.pointer1 && g.pointer1[2] === d3_event.pointerId)
+        delete g.pointer1;
+      if (g.pointer1 && !g.pointer0) {
+        g.pointer0 = g.pointer1;
+        delete g.pointer1;
+      }
+      if (g.pointer0) {
+        g.pointer0[1] = _transform.invert(g.pointer0[0]);
+      } else {
+        g.end(d3_event);
+      }
+    }
+    zoom.wheelDelta = function(_) {
+      return arguments.length ? (wheelDelta = utilFunctor(+_), zoom) : wheelDelta;
+    };
+    zoom.filter = function(_) {
+      return arguments.length ? (filter2 = utilFunctor(!!_), zoom) : filter2;
+    };
+    zoom.extent = function(_) {
+      return arguments.length ? (extent = utilFunctor([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), zoom) : extent;
+    };
+    zoom.scaleExtent = function(_) {
+      return arguments.length ? (scaleExtent[0] = +_[0], scaleExtent[1] = +_[1], zoom) : [scaleExtent[0], scaleExtent[1]];
+    };
+    zoom.translateExtent = function(_) {
+      return arguments.length ? (translateExtent[0][0] = +_[0][0], translateExtent[1][0] = +_[1][0], translateExtent[0][1] = +_[0][1], translateExtent[1][1] = +_[1][1], zoom) : [[translateExtent[0][0], translateExtent[0][1]], [translateExtent[1][0], translateExtent[1][1]]];
+    };
+    zoom.constrain = function(_) {
+      return arguments.length ? (constrain = _, zoom) : constrain;
+    };
+    zoom.interpolate = function(_) {
+      return arguments.length ? (interpolate = _, zoom) : interpolate;
+    };
+    zoom._transform = function(_) {
+      return arguments.length ? (_transform = _, zoom) : _transform;
+    };
+    return utilRebind(zoom, dispatch10, "on");
+  }
+
+  // modules/util/double_up.js
+  function utilDoubleUp() {
+    var dispatch10 = dispatch_default("doubleUp");
+    var _maxTimespan = 500;
+    var _maxDistance = 20;
+    var _pointer;
+    function pointerIsValidFor(loc) {
+      return (/* @__PURE__ */ new Date()).getTime() - _pointer.startTime <= _maxTimespan && // all pointer events must occur within a small distance of the first pointerdown
+      geoVecLength(_pointer.startLoc, loc) <= _maxDistance;
+    }
+    function pointerdown(d3_event) {
+      if (d3_event.ctrlKey || d3_event.button === 2)
+        return;
+      var loc = [d3_event.clientX, d3_event.clientY];
+      if (_pointer && !pointerIsValidFor(loc)) {
+        _pointer = void 0;
+      }
+      if (!_pointer) {
+        _pointer = {
+          startLoc: loc,
+          startTime: (/* @__PURE__ */ new Date()).getTime(),
+          upCount: 0,
+          pointerId: d3_event.pointerId
+        };
+      } else {
+        _pointer.pointerId = d3_event.pointerId;
+      }
+    }
+    function pointerup(d3_event) {
+      if (d3_event.ctrlKey || d3_event.button === 2)
+        return;
+      if (!_pointer || _pointer.pointerId !== d3_event.pointerId)
+        return;
+      _pointer.upCount += 1;
+      if (_pointer.upCount === 2) {
+        var loc = [d3_event.clientX, d3_event.clientY];
+        if (pointerIsValidFor(loc)) {
+          var locInThis = utilFastMouse(this)(d3_event);
+          dispatch10.call("doubleUp", this, d3_event, locInThis);
+        }
+        _pointer = void 0;
+      }
+    }
+    function doubleUp(selection2) {
+      if ("PointerEvent" in window) {
+        selection2.on("pointerdown.doubleUp", pointerdown).on("pointerup.doubleUp", pointerup);
+      } else {
+        selection2.on("dblclick.doubleUp", function(d3_event) {
+          dispatch10.call("doubleUp", this, d3_event, utilFastMouse(this)(d3_event));
+        });
+      }
+    }
+    doubleUp.off = function(selection2) {
+      selection2.on("pointerdown.doubleUp", null).on("pointerup.doubleUp", null).on("dblclick.doubleUp", null);
+    };
+    return utilRebind(doubleUp, dispatch10, "on");
+  }
+
+  // modules/renderer/map.js
+  var TILESIZE = 256;
+  var minZoom2 = 2;
+  var maxZoom = 24;
+  var kMin = geoZoomToScale(minZoom2, TILESIZE);
+  var kMax = geoZoomToScale(maxZoom, TILESIZE);
+  function clamp(num, min3, max3) {
+    return Math.max(min3, Math.min(num, max3));
+  }
+  function rendererMap(context) {
+    var dispatch10 = dispatch_default(
+      "move",
+      "drawn",
+      "crossEditableZoom",
+      "hitMinZoom",
+      "changeHighlighting",
+      "changeAreaFill"
+    );
+    var projection2 = context.projection;
+    var curtainProjection = context.curtainProjection;
+    var drawLayers;
+    var drawPoints;
+    var drawVertices;
+    var drawLines;
+    var drawAreas;
+    var drawMidpoints;
+    var drawLabels;
+    var _selection = select_default2(null);
+    var supersurface = select_default2(null);
+    var wrapper = select_default2(null);
+    var surface = select_default2(null);
+    var _dimensions = [1, 1];
+    var _dblClickZoomEnabled = true;
+    var _redrawEnabled = true;
+    var _gestureTransformStart;
+    var _transformStart = projection2.transform();
+    var _transformLast;
+    var _isTransformed = false;
+    var _minzoom = 0;
+    var _getMouseCoords;
+    var _lastPointerEvent;
+    var _lastWithinEditableZoom;
+    var _pointerDown = false;
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    var _zoomerPannerFunction = "PointerEvent" in window ? utilZoomPan : zoom_default2;
+    var _zoomerPanner = _zoomerPannerFunction().scaleExtent([kMin, kMax]).interpolate(value_default).filter(zoomEventFilter).on("zoom.map", zoomPan).on("start.map", function(d3_event) {
+      _pointerDown = d3_event && (d3_event.type === "pointerdown" || d3_event.sourceEvent && d3_event.sourceEvent.type === "pointerdown");
+    }).on("end.map", function() {
+      _pointerDown = false;
+    });
+    var _doubleUpHandler = utilDoubleUp();
+    var scheduleRedraw = throttle_default(redraw, 750);
+    function cancelPendingRedraw() {
+      scheduleRedraw.cancel();
+    }
+    function map2(selection2) {
+      _selection = selection2;
+      context.on("change.map", immediateRedraw);
+      var osm = context.connection();
+      if (osm) {
+        osm.on("change.map", immediateRedraw);
+      }
+      function didUndoOrRedo(targetTransform) {
+        var mode = context.mode().id;
+        if (mode !== "browse" && mode !== "select")
+          return;
+        if (targetTransform) {
+          map2.transformEase(targetTransform);
+        }
+      }
+      context.history().on("merge.map", function() {
+        scheduleRedraw();
+      }).on("change.map", immediateRedraw).on("undone.map", function(stack, fromStack) {
+        didUndoOrRedo(fromStack.transform);
+      }).on("redone.map", function(stack) {
+        didUndoOrRedo(stack.transform);
+      });
+      context.background().on("change.map", immediateRedraw);
+      context.features().on("redraw.map", immediateRedraw);
+      drawLayers.on("change.map", function() {
+        context.background().updateImagery();
+        immediateRedraw();
+      });
+      selection2.on("wheel.map mousewheel.map", function(d3_event) {
+        d3_event.preventDefault();
+      }).call(_zoomerPanner).call(_zoomerPanner.transform, projection2.transform()).on("dblclick.zoom", null);
+      map2.supersurface = supersurface = selection2.append("div").attr("class", "supersurface").call(utilSetTransform, 0, 0);
+      wrapper = supersurface.append("div").attr("class", "layer layer-data");
+      map2.surface = surface = wrapper.call(drawLayers).selectAll(".surface");
+      surface.call(drawLabels.observe).call(_doubleUpHandler).on(_pointerPrefix + "down.zoom", function(d3_event) {
+        _lastPointerEvent = d3_event;
+        if (d3_event.button === 2) {
+          d3_event.stopPropagation();
+        }
+      }, true).on(_pointerPrefix + "up.zoom", function(d3_event) {
+        _lastPointerEvent = d3_event;
+        if (resetTransform()) {
+          immediateRedraw();
+        }
+      }).on(_pointerPrefix + "move.map", function(d3_event) {
+        _lastPointerEvent = d3_event;
+      }).on(_pointerPrefix + "over.vertices", function(d3_event) {
+        if (map2.editableDataEnabled() && !_isTransformed) {
+          var hover = d3_event.target.__data__;
+          surface.call(drawVertices.drawHover, context.graph(), hover, map2.extent());
+          dispatch10.call("drawn", this, { full: false });
+        }
+      }).on(_pointerPrefix + "out.vertices", function(d3_event) {
+        if (map2.editableDataEnabled() && !_isTransformed) {
+          var hover = d3_event.relatedTarget && d3_event.relatedTarget.__data__;
+          surface.call(drawVertices.drawHover, context.graph(), hover, map2.extent());
+          dispatch10.call("drawn", this, { full: false });
+        }
+      });
+      var detected = utilDetect();
+      if ("GestureEvent" in window && // Listening for gesture events on iOS 13.4+ breaks double-tapping,
+      // but we only need to do this on desktop Safari anyway. – #7694
+      !detected.isMobileWebKit) {
+        surface.on("gesturestart.surface", function(d3_event) {
+          d3_event.preventDefault();
+          _gestureTransformStart = projection2.transform();
+        }).on("gesturechange.surface", gestureChange);
+      }
+      updateAreaFill();
+      _doubleUpHandler.on("doubleUp.map", function(d3_event, p02) {
+        if (!_dblClickZoomEnabled)
+          return;
+        if (typeof d3_event.target.__data__ === "object" && // or area fills
+        !select_default2(d3_event.target).classed("fill"))
+          return;
+        var zoomOut2 = d3_event.shiftKey;
+        var t = projection2.transform();
+        var p1 = t.invert(p02);
+        t = t.scale(zoomOut2 ? 0.5 : 2);
+        t.x = p02[0] - p1[0] * t.k;
+        t.y = p02[1] - p1[1] * t.k;
+        map2.transformEase(t);
+      });
+      context.on("enter.map", function() {
+        if (!map2.editableDataEnabled(
+          true
+          /* skip zoom check */
+        ))
+          return;
+        if (_isTransformed)
+          return;
+        var graph = context.graph();
+        var selectedAndParents = {};
+        context.selectedIDs().forEach(function(id2) {
+          var entity = graph.hasEntity(id2);
+          if (entity) {
+            selectedAndParents[entity.id] = entity;
+            if (entity.type === "node") {
+              graph.parentWays(entity).forEach(function(parent) {
+                selectedAndParents[parent.id] = parent;
+              });
+            }
+          }
+        });
+        var data = Object.values(selectedAndParents);
+        var filter2 = function(d) {
+          return d.id in selectedAndParents;
+        };
+        data = context.features().filter(data, graph);
+        surface.call(drawVertices.drawSelected, graph, map2.extent()).call(drawLines, graph, data, filter2).call(drawAreas, graph, data, filter2).call(drawMidpoints, graph, data, filter2, map2.trimmedExtent());
+        dispatch10.call("drawn", this, { full: false });
+        scheduleRedraw();
+      });
+      map2.dimensions(utilGetDimensions(selection2));
+    }
+    function zoomEventFilter(d3_event) {
+      if (d3_event.type === "mousedown") {
+        var hasOrphan = false;
+        var listeners = window.__on;
+        for (var i2 = 0; i2 < listeners.length; i2++) {
+          var listener = listeners[i2];
+          if (listener.name === "zoom" && listener.type === "mouseup") {
+            hasOrphan = true;
+            break;
+          }
+        }
+        if (hasOrphan) {
+          var event = window.CustomEvent;
+          if (event) {
+            event = new event("mouseup");
+          } else {
+            event = window.document.createEvent("Event");
+            event.initEvent("mouseup", false, false);
+          }
+          event.view = window;
+          window.dispatchEvent(event);
+        }
+      }
+      return d3_event.button !== 2;
+    }
+    function pxCenter() {
+      return [_dimensions[0] / 2, _dimensions[1] / 2];
+    }
+    function drawEditable(difference, extent) {
+      var mode = context.mode();
+      var graph = context.graph();
+      var features = context.features();
+      var all = context.history().intersects(map2.extent());
+      var fullRedraw = false;
+      var data;
+      var set3;
+      var filter2;
+      var applyFeatureLayerFilters = true;
+      if (map2.isInWideSelection()) {
+        data = [];
+        utilEntityAndDeepMemberIDs(mode.selectedIDs(), context.graph()).forEach(function(id2) {
+          var entity = context.hasEntity(id2);
+          if (entity)
+            data.push(entity);
+        });
+        fullRedraw = true;
+        filter2 = utilFunctor(true);
+        applyFeatureLayerFilters = false;
+      } else if (difference) {
+        var complete = difference.complete(map2.extent());
+        data = Object.values(complete).filter(Boolean);
+        set3 = new Set(Object.keys(complete));
+        filter2 = function(d) {
+          return set3.has(d.id);
+        };
+        features.clear(data);
+      } else {
+        if (features.gatherStats(all, graph, _dimensions)) {
+          extent = void 0;
+        }
+        if (extent) {
+          data = context.history().intersects(map2.extent().intersection(extent));
+          set3 = new Set(data.map(function(entity) {
+            return entity.id;
+          }));
+          filter2 = function(d) {
+            return set3.has(d.id);
+          };
+        } else {
+          data = all;
+          fullRedraw = true;
+          filter2 = utilFunctor(true);
+        }
+      }
+      if (applyFeatureLayerFilters) {
+        data = features.filter(data, graph);
+      } else {
+        context.features().resetStats();
+      }
+      if (mode && mode.id === "select") {
+        surface.call(drawVertices.drawSelected, graph, map2.extent());
+      }
+      surface.call(drawVertices, graph, data, filter2, map2.extent(), fullRedraw).call(drawLines, graph, data, filter2).call(drawAreas, graph, data, filter2).call(drawMidpoints, graph, data, filter2, map2.trimmedExtent()).call(drawLabels, graph, data, filter2, _dimensions, fullRedraw).call(drawPoints, graph, data, filter2);
+      dispatch10.call("drawn", this, { full: true });
+    }
+    map2.init = function() {
+      drawLayers = svgLayers(projection2, context);
+      drawPoints = svgPoints(projection2, context);
+      drawVertices = svgVertices(projection2, context);
+      drawLines = svgLines(projection2, context);
+      drawAreas = svgAreas(projection2, context);
+      drawMidpoints = svgMidpoints(projection2, context);
+      drawLabels = svgLabels(projection2, context);
+    };
+    function editOff() {
+      context.features().resetStats();
+      surface.selectAll(".layer-osm *").remove();
+      surface.selectAll(".layer-touch:not(.markers) *").remove();
+      var allowed = {
+        "browse": true,
+        "save": true,
+        "select-note": true,
+        "select-data": true,
+        "select-error": true
+      };
+      var mode = context.mode();
+      if (mode && !allowed[mode.id]) {
+        context.enter(modeBrowse(context));
+      }
+      dispatch10.call("drawn", this, { full: true });
+    }
+    function gestureChange(d3_event) {
+      var e = d3_event;
+      e.preventDefault();
+      var props = {
+        deltaMode: 0,
+        // dummy values to ignore in zoomPan
+        deltaY: 1,
+        // dummy values to ignore in zoomPan
+        clientX: e.clientX,
+        clientY: e.clientY,
+        screenX: e.screenX,
+        screenY: e.screenY,
+        x: e.x,
+        y: e.y
+      };
+      var e22 = new WheelEvent("wheel", props);
+      e22._scale = e.scale;
+      e22._rotation = e.rotation;
+      _selection.node().dispatchEvent(e22);
+    }
+    function zoomPan(event, key, transform2) {
+      var source = event && event.sourceEvent || event;
+      var eventTransform = transform2 || event && event.transform;
+      var x = eventTransform.x;
+      var y = eventTransform.y;
+      var k = eventTransform.k;
+      if (source && source.type === "wheel") {
+        if (_pointerDown)
+          return;
+        var detected = utilDetect();
+        var dX = source.deltaX;
+        var dY = source.deltaY;
+        var x2 = x;
+        var y2 = y;
+        var k2 = k;
+        var t0, p02, p1;
+        if (source.deltaMode === 1) {
+          var lines = Math.abs(source.deltaY);
+          var sign2 = source.deltaY > 0 ? 1 : -1;
+          dY = sign2 * clamp(
+            Math.exp((lines - 1) * 0.75) * 4.000244140625,
+            4.000244140625,
+            // min
+            350.000244140625
+            // max
+          );
+          if (detected.os !== "mac") {
+            dY *= 5;
+          }
+          t0 = _isTransformed ? _transformLast : _transformStart;
+          p02 = _getMouseCoords(source);
+          p1 = t0.invert(p02);
+          k2 = t0.k * Math.pow(2, -dY / 500);
+          k2 = clamp(k2, kMin, kMax);
+          x2 = p02[0] - p1[0] * k2;
+          y2 = p02[1] - p1[1] * k2;
+        } else if (source._scale) {
+          t0 = _gestureTransformStart;
+          p02 = _getMouseCoords(source);
+          p1 = t0.invert(p02);
+          k2 = t0.k * source._scale;
+          k2 = clamp(k2, kMin, kMax);
+          x2 = p02[0] - p1[0] * k2;
+          y2 = p02[1] - p1[1] * k2;
+        } else if (source.ctrlKey && !isInteger(dY)) {
+          dY *= 6;
+          t0 = _isTransformed ? _transformLast : _transformStart;
+          p02 = _getMouseCoords(source);
+          p1 = t0.invert(p02);
+          k2 = t0.k * Math.pow(2, -dY / 500);
+          k2 = clamp(k2, kMin, kMax);
+          x2 = p02[0] - p1[0] * k2;
+          y2 = p02[1] - p1[1] * k2;
+        } else if ((source.altKey || source.shiftKey) && isInteger(dY)) {
+          t0 = _isTransformed ? _transformLast : _transformStart;
+          p02 = _getMouseCoords(source);
+          p1 = t0.invert(p02);
+          k2 = t0.k * Math.pow(2, -dY / 500);
+          k2 = clamp(k2, kMin, kMax);
+          x2 = p02[0] - p1[0] * k2;
+          y2 = p02[1] - p1[1] * k2;
+        } else if (detected.os === "mac" && detected.browser !== "Firefox" && !source.ctrlKey && isInteger(dX) && isInteger(dY)) {
+          p1 = projection2.translate();
+          x2 = p1[0] - dX;
+          y2 = p1[1] - dY;
+          k2 = projection2.scale();
+          k2 = clamp(k2, kMin, kMax);
+        }
+        if (x2 !== x || y2 !== y || k2 !== k) {
+          x = x2;
+          y = y2;
+          k = k2;
+          eventTransform = identity2.translate(x2, y2).scale(k2);
+          if (_zoomerPanner._transform) {
+            _zoomerPanner._transform(eventTransform);
+          } else {
+            _selection.node().__zoom = eventTransform;
+          }
+        }
+      }
+      if (_transformStart.x === x && _transformStart.y === y && _transformStart.k === k) {
+        return;
+      }
+      if (geoScaleToZoom(k, TILESIZE) < _minzoom) {
+        surface.interrupt();
+        dispatch10.call("hitMinZoom", this, map2);
+        setCenterZoom(map2.center(), context.minEditableZoom(), 0, true);
+        scheduleRedraw();
+        dispatch10.call("move", this, map2);
+        return;
+      }
+      projection2.transform(eventTransform);
+      var withinEditableZoom = map2.withinEditableZoom();
+      if (_lastWithinEditableZoom !== withinEditableZoom) {
+        if (_lastWithinEditableZoom !== void 0) {
+          dispatch10.call("crossEditableZoom", this, withinEditableZoom);
+        }
+        _lastWithinEditableZoom = withinEditableZoom;
+      }
+      var scale = k / _transformStart.k;
+      var tX = (x / scale - _transformStart.x) * scale;
+      var tY = (y / scale - _transformStart.y) * scale;
+      if (context.inIntro()) {
+        curtainProjection.transform({
+          x: x - tX,
+          y: y - tY,
+          k
+        });
+      }
+      if (source) {
+        _lastPointerEvent = event;
+      }
+      _isTransformed = true;
+      _transformLast = eventTransform;
+      utilSetTransform(supersurface, tX, tY, scale);
+      scheduleRedraw();
+      dispatch10.call("move", this, map2);
+      function isInteger(val) {
+        return typeof val === "number" && isFinite(val) && Math.floor(val) === val;
+      }
+    }
+    function resetTransform() {
+      if (!_isTransformed)
+        return false;
+      utilSetTransform(supersurface, 0, 0);
+      _isTransformed = false;
+      if (context.inIntro()) {
+        curtainProjection.transform(projection2.transform());
+      }
+      return true;
+    }
+    function redraw(difference, extent) {
+      if (surface.empty() || !_redrawEnabled)
+        return;
+      if (resetTransform()) {
+        difference = extent = void 0;
+      }
+      var zoom = map2.zoom();
+      var z = String(~~zoom);
+      if (surface.attr("data-zoom") !== z) {
+        surface.attr("data-zoom", z);
+      }
+      var lat = map2.center()[1];
+      var lowzoom = linear3().domain([-60, 0, 60]).range([17, 18.5, 17]).clamp(true);
+      surface.classed("low-zoom", zoom <= lowzoom(lat));
+      if (!difference) {
+        supersurface.call(context.background());
+        wrapper.call(drawLayers);
+      }
+      if (map2.editableDataEnabled() || map2.isInWideSelection()) {
+        context.loadTiles(projection2);
+        drawEditable(difference, extent);
+      } else {
+        editOff();
+      }
+      _transformStart = projection2.transform();
+      return map2;
+    }
+    var immediateRedraw = function(difference, extent) {
+      if (!difference && !extent)
+        cancelPendingRedraw();
+      redraw(difference, extent);
+    };
+    map2.lastPointerEvent = function() {
+      return _lastPointerEvent;
+    };
+    map2.mouse = function(d3_event) {
+      var event = d3_event || _lastPointerEvent;
+      if (event) {
+        var s;
+        while (s = event.sourceEvent) {
+          event = s;
+        }
+        return _getMouseCoords(event);
+      }
+      return null;
+    };
+    map2.mouseCoordinates = function() {
+      var coord2 = map2.mouse() || pxCenter();
+      return projection2.invert(coord2);
+    };
+    map2.dblclickZoomEnable = function(val) {
+      if (!arguments.length)
+        return _dblClickZoomEnabled;
+      _dblClickZoomEnabled = val;
+      return map2;
+    };
+    map2.redrawEnable = function(val) {
+      if (!arguments.length)
+        return _redrawEnabled;
+      _redrawEnabled = val;
+      return map2;
+    };
+    map2.isTransformed = function() {
+      return _isTransformed;
+    };
+    function setTransform(t2, duration, force) {
+      var t = projection2.transform();
+      if (!force && t2.k === t.k && t2.x === t.x && t2.y === t.y)
+        return false;
+      if (duration) {
+        _selection.transition().duration(duration).on("start", function() {
+          map2.startEase();
+        }).call(_zoomerPanner.transform, identity2.translate(t2.x, t2.y).scale(t2.k));
+      } else {
+        projection2.transform(t2);
+        _transformStart = t2;
+        _selection.call(_zoomerPanner.transform, _transformStart);
+      }
+      return true;
+    }
+    function setCenterZoom(loc2, z2, duration, force) {
+      var c = map2.center();
+      var z = map2.zoom();
+      if (loc2[0] === c[0] && loc2[1] === c[1] && z2 === z && !force)
+        return false;
+      var proj = geoRawMercator().transform(projection2.transform());
+      var k2 = clamp(geoZoomToScale(z2, TILESIZE), kMin, kMax);
+      proj.scale(k2);
+      var t = proj.translate();
+      var point2 = proj(loc2);
+      var center = pxCenter();
+      t[0] += center[0] - point2[0];
+      t[1] += center[1] - point2[1];
+      return setTransform(identity2.translate(t[0], t[1]).scale(k2), duration, force);
+    }
+    map2.pan = function(delta, duration) {
+      var t = projection2.translate();
+      var k = projection2.scale();
+      t[0] += delta[0];
+      t[1] += delta[1];
+      if (duration) {
+        _selection.transition().duration(duration).on("start", function() {
+          map2.startEase();
+        }).call(_zoomerPanner.transform, identity2.translate(t[0], t[1]).scale(k));
+      } else {
+        projection2.translate(t);
+        _transformStart = projection2.transform();
+        _selection.call(_zoomerPanner.transform, _transformStart);
+        dispatch10.call("move", this, map2);
+        immediateRedraw();
+      }
+      return map2;
+    };
+    map2.dimensions = function(val) {
+      if (!arguments.length)
+        return _dimensions;
+      _dimensions = val;
+      drawLayers.dimensions(_dimensions);
+      context.background().dimensions(_dimensions);
+      projection2.clipExtent([[0, 0], _dimensions]);
+      _getMouseCoords = utilFastMouse(supersurface.node());
+      scheduleRedraw();
+      return map2;
+    };
+    function zoomIn(delta) {
+      setCenterZoom(map2.center(), ~~map2.zoom() + delta, 250, true);
+    }
+    function zoomOut(delta) {
+      setCenterZoom(map2.center(), ~~map2.zoom() - delta, 250, true);
+    }
+    map2.zoomIn = function() {
+      zoomIn(1);
+    };
+    map2.zoomInFurther = function() {
+      zoomIn(4);
+    };
+    map2.canZoomIn = function() {
+      return map2.zoom() < maxZoom;
+    };
+    map2.zoomOut = function() {
+      zoomOut(1);
+    };
+    map2.zoomOutFurther = function() {
+      zoomOut(4);
+    };
+    map2.canZoomOut = function() {
+      return map2.zoom() > minZoom2;
+    };
+    map2.center = function(loc2) {
+      if (!arguments.length) {
+        return projection2.invert(pxCenter());
+      }
+      if (setCenterZoom(loc2, map2.zoom())) {
+        dispatch10.call("move", this, map2);
+      }
+      scheduleRedraw();
+      return map2;
+    };
+    map2.unobscuredCenterZoomEase = function(loc, zoom) {
+      var offset = map2.unobscuredOffsetPx();
+      var proj = geoRawMercator().transform(projection2.transform());
+      proj.scale(geoZoomToScale(zoom, TILESIZE));
+      var locPx = proj(loc);
+      var offsetLocPx = [locPx[0] + offset[0], locPx[1] + offset[1]];
+      var offsetLoc = proj.invert(offsetLocPx);
+      map2.centerZoomEase(offsetLoc, zoom);
+    };
+    map2.unobscuredOffsetPx = function() {
+      var openPane = context.container().select(".map-panes .map-pane.shown");
+      if (!openPane.empty()) {
+        return [openPane.node().offsetWidth / 2, 0];
+      }
+      return [0, 0];
+    };
+    map2.zoom = function(z2) {
+      if (!arguments.length) {
+        return Math.max(geoScaleToZoom(projection2.scale(), TILESIZE), 0);
+      }
+      if (z2 < _minzoom) {
+        surface.interrupt();
+        dispatch10.call("hitMinZoom", this, map2);
+        z2 = context.minEditableZoom();
+      }
+      if (setCenterZoom(map2.center(), z2)) {
+        dispatch10.call("move", this, map2);
+      }
+      scheduleRedraw();
+      return map2;
+    };
+    map2.centerZoom = function(loc2, z2) {
+      if (setCenterZoom(loc2, z2)) {
+        dispatch10.call("move", this, map2);
+      }
+      scheduleRedraw();
+      return map2;
+    };
+    map2.zoomTo = function(entity) {
+      var extent = entity.extent(context.graph());
+      if (!isFinite(extent.area()))
+        return map2;
+      var z2 = clamp(map2.trimmedExtentZoom(extent), 0, 20);
+      return map2.centerZoom(extent.center(), z2);
+    };
+    map2.centerEase = function(loc2, duration) {
+      duration = duration || 250;
+      setCenterZoom(loc2, map2.zoom(), duration);
+      return map2;
+    };
+    map2.zoomEase = function(z2, duration) {
+      duration = duration || 250;
+      setCenterZoom(map2.center(), z2, duration, false);
+      return map2;
+    };
+    map2.centerZoomEase = function(loc2, z2, duration) {
+      duration = duration || 250;
+      setCenterZoom(loc2, z2, duration, false);
+      return map2;
+    };
+    map2.transformEase = function(t2, duration) {
+      duration = duration || 250;
+      setTransform(
+        t2,
+        duration,
+        false
+        /* don't force */
+      );
+      return map2;
+    };
+    map2.zoomToEase = function(obj, duration) {
+      var extent;
+      if (Array.isArray(obj)) {
+        obj.forEach(function(entity) {
+          var entityExtent = entity.extent(context.graph());
+          if (!extent) {
+            extent = entityExtent;
+          } else {
+            extent = extent.extend(entityExtent);
+          }
+        });
+      } else {
+        extent = obj.extent(context.graph());
+      }
+      if (!isFinite(extent.area()))
+        return map2;
+      var z2 = clamp(map2.trimmedExtentZoom(extent), 0, 20);
+      return map2.centerZoomEase(extent.center(), z2, duration);
+    };
+    map2.startEase = function() {
+      utilBindOnce(surface, _pointerPrefix + "down.ease", function() {
+        map2.cancelEase();
+      });
+      return map2;
+    };
+    map2.cancelEase = function() {
+      _selection.interrupt();
+      return map2;
+    };
+    map2.extent = function(val) {
+      if (!arguments.length) {
+        return new geoExtent(
+          projection2.invert([0, _dimensions[1]]),
+          projection2.invert([_dimensions[0], 0])
+        );
+      } else {
+        var extent = geoExtent(val);
+        map2.centerZoom(extent.center(), map2.extentZoom(extent));
+      }
+    };
+    map2.trimmedExtent = function(val) {
+      if (!arguments.length) {
+        var headerY = 71;
+        var footerY = 30;
+        var pad2 = 10;
+        return new geoExtent(
+          projection2.invert([pad2, _dimensions[1] - footerY - pad2]),
+          projection2.invert([_dimensions[0] - pad2, headerY + pad2])
+        );
+      } else {
+        var extent = geoExtent(val);
+        map2.centerZoom(extent.center(), map2.trimmedExtentZoom(extent));
+      }
+    };
+    function calcExtentZoom(extent, dim) {
+      var tl = projection2([extent[0][0], extent[1][1]]);
+      var br = projection2([extent[1][0], extent[0][1]]);
+      var hFactor = (br[0] - tl[0]) / dim[0];
+      var vFactor = (br[1] - tl[1]) / dim[1];
+      var hZoomDiff = Math.log(Math.abs(hFactor)) / Math.LN2;
+      var vZoomDiff = Math.log(Math.abs(vFactor)) / Math.LN2;
+      var newZoom = map2.zoom() - Math.max(hZoomDiff, vZoomDiff);
+      return newZoom;
+    }
+    map2.extentZoom = function(val) {
+      return calcExtentZoom(geoExtent(val), _dimensions);
+    };
+    map2.trimmedExtentZoom = function(val) {
+      var trimY = 120;
+      var trimX = 40;
+      var trimmed = [_dimensions[0] - trimX, _dimensions[1] - trimY];
+      return calcExtentZoom(geoExtent(val), trimmed);
+    };
+    map2.withinEditableZoom = function() {
+      return map2.zoom() >= context.minEditableZoom();
+    };
+    map2.isInWideSelection = function() {
+      return !map2.withinEditableZoom() && context.selectedIDs().length;
+    };
+    map2.editableDataEnabled = function(skipZoomCheck) {
+      var layer = context.layers().layer("osm");
+      if (!layer || !layer.enabled())
+        return false;
+      return skipZoomCheck || map2.withinEditableZoom();
+    };
+    map2.notesEditable = function() {
+      var layer = context.layers().layer("notes");
+      if (!layer || !layer.enabled())
+        return false;
+      return map2.withinEditableZoom();
+    };
+    map2.minzoom = function(val) {
+      if (!arguments.length)
+        return _minzoom;
+      _minzoom = val;
+      return map2;
+    };
+    map2.toggleHighlightEdited = function() {
+      surface.classed("highlight-edited", !surface.classed("highlight-edited"));
+      map2.pan([0, 0]);
+      dispatch10.call("changeHighlighting", this);
+    };
+    map2.areaFillOptions = ["wireframe", "partial", "full"];
+    map2.activeAreaFill = function(val) {
+      if (!arguments.length)
+        return corePreferences("area-fill") || "partial";
+      corePreferences("area-fill", val);
+      if (val !== "wireframe") {
+        corePreferences("area-fill-toggle", val);
+      }
+      updateAreaFill();
+      map2.pan([0, 0]);
+      dispatch10.call("changeAreaFill", this);
+      return map2;
+    };
+    map2.toggleWireframe = function() {
+      var activeFill = map2.activeAreaFill();
+      if (activeFill === "wireframe") {
+        activeFill = corePreferences("area-fill-toggle") || "partial";
+      } else {
+        activeFill = "wireframe";
+      }
+      map2.activeAreaFill(activeFill);
+    };
+    function updateAreaFill() {
+      var activeFill = map2.activeAreaFill();
+      map2.areaFillOptions.forEach(function(opt) {
+        surface.classed("fill-" + opt, Boolean(opt === activeFill));
+      });
+    }
+    map2.layers = () => drawLayers;
+    map2.doubleUpHandler = function() {
+      return _doubleUpHandler;
+    };
+    return utilRebind(map2, dispatch10, "on");
+  }
+
+  // modules/renderer/photos.js
+  function rendererPhotos(context) {
+    var dispatch10 = dispatch_default("change");
+    var _layerIDs = ["streetside", "mapillary", "mapillary-map-features", "mapillary-signs", "kartaview"];
+    var _allPhotoTypes = ["flat", "panoramic"];
+    var _shownPhotoTypes = _allPhotoTypes.slice();
+    var _dateFilters = ["fromDate", "toDate"];
+    var _fromDate;
+    var _toDate;
+    var _usernames;
+    function photos() {
+    }
+    function updateStorage() {
+      if (window.mocha)
+        return;
+      var hash = utilStringQs(window.location.hash);
+      var enabled = context.layers().all().filter(function(d) {
+        return _layerIDs.indexOf(d.id) !== -1 && d.layer && d.layer.supported() && d.layer.enabled();
+      }).map(function(d) {
+        return d.id;
+      });
+      if (enabled.length) {
+        hash.photo_overlay = enabled.join(",");
+      } else {
+        delete hash.photo_overlay;
+      }
+      window.location.replace("#" + utilQsString(hash, true));
+    }
+    photos.overlayLayerIDs = function() {
+      return _layerIDs;
+    };
+    photos.allPhotoTypes = function() {
+      return _allPhotoTypes;
+    };
+    photos.dateFilters = function() {
+      return _dateFilters;
+    };
+    photos.dateFilterValue = function(val) {
+      return val === _dateFilters[0] ? _fromDate : _toDate;
+    };
+    photos.setDateFilter = function(type2, val, updateUrl) {
+      var date = val && new Date(val);
+      if (date && !isNaN(date)) {
+        val = date.toISOString().slice(0, 10);
+      } else {
+        val = null;
+      }
+      if (type2 === _dateFilters[0]) {
+        _fromDate = val;
+        if (_fromDate && _toDate && new Date(_toDate) < new Date(_fromDate)) {
+          _toDate = _fromDate;
+        }
+      }
+      if (type2 === _dateFilters[1]) {
+        _toDate = val;
+        if (_fromDate && _toDate && new Date(_toDate) < new Date(_fromDate)) {
+          _fromDate = _toDate;
+        }
+      }
+      dispatch10.call("change", this);
+      if (updateUrl) {
+        var rangeString;
+        if (_fromDate || _toDate) {
+          rangeString = (_fromDate || "") + "_" + (_toDate || "");
+        }
+        setUrlFilterValue("photo_dates", rangeString);
+      }
+    };
+    photos.setUsernameFilter = function(val, updateUrl) {
+      if (val && typeof val === "string")
+        val = val.replace(/;/g, ",").split(",");
+      if (val) {
+        val = val.map((d) => d.trim()).filter(Boolean);
+        if (!val.length) {
+          val = null;
+        }
+      }
+      _usernames = val;
+      dispatch10.call("change", this);
+      if (updateUrl) {
+        var hashString;
+        if (_usernames) {
+          hashString = _usernames.join(",");
+        }
+        setUrlFilterValue("photo_username", hashString);
+      }
+    };
+    function setUrlFilterValue(property, val) {
+      if (!window.mocha) {
+        var hash = utilStringQs(window.location.hash);
+        if (val) {
+          if (hash[property] === val)
+            return;
+          hash[property] = val;
+        } else {
+          if (!(property in hash))
+            return;
+          delete hash[property];
+        }
+        window.location.replace("#" + utilQsString(hash, true));
+      }
+    }
+    function showsLayer(id2) {
+      var layer = context.layers().layer(id2);
+      return layer && layer.supported() && layer.enabled();
+    }
+    photos.shouldFilterByDate = function() {
+      return showsLayer("mapillary") || showsLayer("kartaview") || showsLayer("streetside");
+    };
+    photos.shouldFilterByPhotoType = function() {
+      return showsLayer("mapillary") || showsLayer("streetside") && showsLayer("kartaview");
+    };
+    photos.shouldFilterByUsername = function() {
+      return !showsLayer("mapillary") && showsLayer("kartaview") && !showsLayer("streetside");
+    };
+    photos.showsPhotoType = function(val) {
+      if (!photos.shouldFilterByPhotoType())
+        return true;
+      return _shownPhotoTypes.indexOf(val) !== -1;
+    };
+    photos.showsFlat = function() {
+      return photos.showsPhotoType("flat");
+    };
+    photos.showsPanoramic = function() {
+      return photos.showsPhotoType("panoramic");
+    };
+    photos.fromDate = function() {
+      return _fromDate;
+    };
+    photos.toDate = function() {
+      return _toDate;
+    };
+    photos.togglePhotoType = function(val) {
+      var index = _shownPhotoTypes.indexOf(val);
+      if (index !== -1) {
+        _shownPhotoTypes.splice(index, 1);
+      } else {
+        _shownPhotoTypes.push(val);
+      }
+      dispatch10.call("change", this);
+      return photos;
+    };
+    photos.usernames = function() {
+      return _usernames;
+    };
+    photos.init = function() {
+      var hash = utilStringQs(window.location.hash);
+      if (hash.photo_dates) {
+        var parts = /^(.*)[–_](.*)$/g.exec(hash.photo_dates.trim());
+        this.setDateFilter("fromDate", parts && parts.length >= 2 && parts[1], false);
+        this.setDateFilter("toDate", parts && parts.length >= 3 && parts[2], false);
+      }
+      if (hash.photo_username) {
+        this.setUsernameFilter(hash.photo_username, false);
+      }
+      if (hash.photo_overlay) {
+        var hashOverlayIDs = hash.photo_overlay.replace(/;/g, ",").split(",");
+        hashOverlayIDs.forEach(function(id2) {
+          if (id2 === "openstreetcam")
+            id2 = "kartaview";
+          var layer2 = _layerIDs.indexOf(id2) !== -1 && context.layers().layer(id2);
+          if (layer2 && !layer2.enabled())
+            layer2.enabled(true);
+        });
+      }
+      if (hash.photo) {
+        var photoIds = hash.photo.replace(/;/g, ",").split(",");
+        var photoId = photoIds.length && photoIds[0].trim();
+        var results = /(.*)\/(.*)/g.exec(photoId);
+        if (results && results.length >= 3) {
+          var serviceId = results[1];
+          if (serviceId === "openstreetcam")
+            serviceId = "kartaview";
+          var photoKey = results[2];
+          var service = services[serviceId];
+          if (service && service.ensureViewerLoaded) {
+            var layer = _layerIDs.indexOf(serviceId) !== -1 && context.layers().layer(serviceId);
+            if (layer && !layer.enabled())
+              layer.enabled(true);
+            var baselineTime = Date.now();
+            service.on("loadedImages.rendererPhotos", function() {
+              if (Date.now() - baselineTime > 45e3) {
+                service.on("loadedImages.rendererPhotos", null);
+                return;
+              }
+              if (!service.cachedImage(photoKey))
+                return;
+              service.on("loadedImages.rendererPhotos", null);
+              service.ensureViewerLoaded(context).then(function() {
+                service.selectImage(context, photoKey).showViewer(context);
+              });
+            });
+          }
+        }
+      }
+      context.layers().on("change.rendererPhotos", updateStorage);
+    };
+    return utilRebind(photos, dispatch10, "on");
+  }
+
+  // modules/ui/account.js
+  function uiAccount(context) {
+    const osm = context.connection();
+    function updateUserDetails(selection2) {
+      if (!osm)
+        return;
+      if (!osm.authenticated()) {
+        render(selection2, null);
+      } else {
+        osm.userDetails((err, user) => render(selection2, user));
+      }
+    }
+    function render(selection2, user) {
+      let userInfo = selection2.select(".userInfo");
+      let loginLogout = selection2.select(".loginLogout");
+      if (user) {
+        userInfo.html("").classed("hide", false);
+        let userLink = userInfo.append("a").attr("href", osm.userURL(user.display_name)).attr("target", "_blank");
+        if (user.image_url) {
+          userLink.append("img").attr("class", "icon pre-text user-icon").attr("src", user.image_url);
+        } else {
+          userLink.call(svgIcon("#iD-icon-avatar", "pre-text light"));
+        }
+        userLink.append("span").attr("class", "label").html(user.display_name);
+        loginLogout.classed("hide", false).select("a").text(_t("logout")).on("click", (e) => {
+          e.preventDefault();
+          osm.logout();
+          tryLogout();
+        });
+      } else {
+        userInfo.html("").classed("hide", true);
+        loginLogout.classed("hide", false).select("a").text(_t("login")).on("click", (e) => {
+          e.preventDefault();
+          osm.authenticate();
+        });
+      }
+    }
+    function tryLogout() {
+      if (!osm)
+        return;
+      const url = osm.getUrlRoot() + "/logout?referer=%2Flogin";
+      const w = 600;
+      const h = 550;
+      const settings = [
+        ["width", w],
+        ["height", h],
+        ["left", window.screen.width / 2 - w / 2],
+        ["top", window.screen.height / 2 - h / 2]
+      ].map((x) => x.join("=")).join(",");
+      window.open(url, "_blank", settings);
+    }
+    return function(selection2) {
+      if (!osm)
+        return;
+      selection2.append("li").attr("class", "userInfo").classed("hide", true);
+      selection2.append("li").attr("class", "loginLogout").classed("hide", true).append("a").attr("href", "#");
+      osm.on("change.account", () => updateUserDetails(selection2));
+      updateUserDetails(selection2);
+    };
+  }
+
+  // modules/ui/attribution.js
+  function uiAttribution(context) {
+    let _selection = select_default2(null);
+    function render(selection2, data, klass) {
+      let div = selection2.selectAll(`.${klass}`).data([0]);
+      div = div.enter().append("div").attr("class", klass).merge(div);
+      let attributions = div.selectAll(".attribution").data(data, (d) => d.id);
+      attributions.exit().remove();
+      attributions = attributions.enter().append("span").attr("class", "attribution").each((d, i2, nodes) => {
+        let attribution = select_default2(nodes[i2]);
+        if (d.terms_html) {
+          attribution.html(d.terms_html);
+          return;
+        }
+        if (d.terms_url) {
+          attribution = attribution.append("a").attr("href", d.terms_url).attr("target", "_blank");
+        }
+        const sourceID = d.id.replace(/\./g, "<TX_DOT>");
+        const terms_text = _t(
+          `imagery.${sourceID}.attribution.text`,
+          { default: d.terms_text || d.id || d.name() }
+        );
+        if (d.icon && !d.overlay) {
+          attribution.append("img").attr("class", "source-image").attr("src", d.icon);
+        }
+        attribution.append("span").attr("class", "attribution-text").text(terms_text);
+      }).merge(attributions);
+      let copyright = attributions.selectAll(".copyright-notice").data((d) => {
+        let notice = d.copyrightNotices(context.map().zoom(), context.map().extent());
+        return notice ? [notice] : [];
+      });
+      copyright.exit().remove();
+      copyright = copyright.enter().append("span").attr("class", "copyright-notice").merge(copyright);
+      copyright.text(String);
+    }
+    function update() {
+      let baselayer = context.background().baseLayerSource();
+      _selection.call(render, baselayer ? [baselayer] : [], "base-layer-attribution");
+      const z = context.map().zoom();
+      let overlays = context.background().overlayLayerSources() || [];
+      _selection.call(render, overlays.filter((s) => s.validZoom(z)), "overlay-layer-attribution");
+    }
+    return function(selection2) {
+      _selection = selection2;
+      context.background().on("change.attribution", update);
+      context.map().on("move.attribution", throttle_default(update, 400, { leading: false }));
+      update();
+    };
+  }
+
+  // modules/ui/contributors.js
+  function uiContributors(context) {
+    var osm = context.connection(), debouncedUpdate = debounce_default(function() {
+      update();
+    }, 1e3), limit = 4, hidden = false, wrap2 = select_default2(null);
+    function update() {
+      if (!osm)
+        return;
+      var users = {}, entities = context.history().intersects(context.map().extent());
+      entities.forEach(function(entity) {
+        if (entity && entity.user)
+          users[entity.user] = true;
+      });
+      var u = Object.keys(users), subset = u.slice(0, u.length > limit ? limit - 1 : limit);
+      wrap2.html("").call(svgIcon("#iD-icon-nearby", "pre-text light"));
+      var userList = select_default2(document.createElement("span"));
+      userList.selectAll().data(subset).enter().append("a").attr("class", "user-link").attr("href", function(d) {
+        return osm.userURL(d);
+      }).attr("target", "_blank").text(String);
+      if (u.length > limit) {
+        var count = select_default2(document.createElement("span"));
+        var othersNum = u.length - limit + 1;
+        count.append("a").attr("target", "_blank").attr("href", function() {
+          return osm.changesetsURL(context.map().center(), context.map().zoom());
+        }).text(othersNum);
+        wrap2.append("span").html(_t.html("contributors.truncated_list", { n: othersNum, users: { html: userList.html() }, count: { html: count.html() } }));
+      } else {
+        wrap2.append("span").html(_t.html("contributors.list", { users: { html: userList.html() } }));
+      }
+      if (!u.length) {
+        hidden = true;
+        wrap2.transition().style("opacity", 0);
+      } else if (hidden) {
+        wrap2.transition().style("opacity", 1);
+      }
+    }
+    return function(selection2) {
+      if (!osm)
+        return;
+      wrap2 = selection2;
+      update();
+      osm.on("loaded.contributors", debouncedUpdate);
+      context.map().on("move.contributors", debouncedUpdate);
+    };
+  }
+
+  // modules/ui/popover.js
+  var _popoverID = 0;
+  function uiPopover(klass) {
+    var _id = _popoverID++;
+    var _anchorSelection = select_default2(null);
+    var popover = function(selection2) {
+      _anchorSelection = selection2;
+      selection2.each(setup);
+    };
+    var _animation = utilFunctor(false);
+    var _placement = utilFunctor("top");
+    var _alignment = utilFunctor("center");
+    var _scrollContainer = utilFunctor(select_default2(null));
+    var _content;
+    var _displayType = utilFunctor("");
+    var _hasArrow = utilFunctor(true);
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    popover.displayType = function(val) {
+      if (arguments.length) {
+        _displayType = utilFunctor(val);
+        return popover;
+      } else {
+        return _displayType;
+      }
+    };
+    popover.hasArrow = function(val) {
+      if (arguments.length) {
+        _hasArrow = utilFunctor(val);
+        return popover;
+      } else {
+        return _hasArrow;
+      }
+    };
+    popover.placement = function(val) {
+      if (arguments.length) {
+        _placement = utilFunctor(val);
+        return popover;
+      } else {
+        return _placement;
+      }
+    };
+    popover.alignment = function(val) {
+      if (arguments.length) {
+        _alignment = utilFunctor(val);
+        return popover;
+      } else {
+        return _alignment;
+      }
+    };
+    popover.scrollContainer = function(val) {
+      if (arguments.length) {
+        _scrollContainer = utilFunctor(val);
+        return popover;
+      } else {
+        return _scrollContainer;
+      }
+    };
+    popover.content = function(val) {
+      if (arguments.length) {
+        _content = val;
+        return popover;
+      } else {
+        return _content;
+      }
+    };
+    popover.isShown = function() {
+      var popoverSelection = _anchorSelection.select(".popover-" + _id);
+      return !popoverSelection.empty() && popoverSelection.classed("in");
+    };
+    popover.show = function() {
+      _anchorSelection.each(show);
+    };
+    popover.updateContent = function() {
+      _anchorSelection.each(updateContent);
+    };
+    popover.hide = function() {
+      _anchorSelection.each(hide);
+    };
+    popover.toggle = function() {
+      _anchorSelection.each(toggle);
+    };
+    popover.destroy = function(selection2, selector) {
+      selector = selector || ".popover-" + _id;
+      selection2.on(_pointerPrefix + "enter.popover", null).on(_pointerPrefix + "leave.popover", null).on(_pointerPrefix + "up.popover", null).on(_pointerPrefix + "down.popover", null).on("click.popover", null).attr("title", function() {
+        return this.getAttribute("data-original-title") || this.getAttribute("title");
+      }).attr("data-original-title", null).selectAll(selector).remove();
+    };
+    popover.destroyAny = function(selection2) {
+      selection2.call(popover.destroy, ".popover");
+    };
+    function setup() {
+      var anchor = select_default2(this);
+      var animate = _animation.apply(this, arguments);
+      var popoverSelection = anchor.selectAll(".popover-" + _id).data([0]);
+      var enter = popoverSelection.enter().append("div").attr("class", "popover popover-" + _id + " " + (klass ? klass : "")).classed("arrowed", _hasArrow.apply(this, arguments));
+      enter.append("div").attr("class", "popover-arrow");
+      enter.append("div").attr("class", "popover-inner");
+      popoverSelection = enter.merge(popoverSelection);
+      if (animate) {
+        popoverSelection.classed("fade", true);
+      }
+      var display = _displayType.apply(this, arguments);
+      if (display === "hover") {
+        var _lastNonMouseEnterTime;
+        anchor.on(_pointerPrefix + "enter.popover", function(d3_event) {
+          if (d3_event.pointerType) {
+            if (d3_event.pointerType !== "mouse") {
+              _lastNonMouseEnterTime = d3_event.timeStamp;
+              return;
+            } else if (_lastNonMouseEnterTime && d3_event.timeStamp - _lastNonMouseEnterTime < 1500) {
+              return;
+            }
+          }
+          if (d3_event.buttons !== 0)
+            return;
+          show.apply(this, arguments);
+        }).on(_pointerPrefix + "leave.popover", function() {
+          hide.apply(this, arguments);
+        }).on("focus.popover", function() {
+          show.apply(this, arguments);
+        }).on("blur.popover", function() {
+          hide.apply(this, arguments);
+        });
+      } else if (display === "clickFocus") {
+        anchor.on(_pointerPrefix + "down.popover", function(d3_event) {
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+        }).on(_pointerPrefix + "up.popover", function(d3_event) {
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+        }).on("click.popover", toggle);
+        popoverSelection.attr("tabindex", 0).on("blur.popover", function() {
+          anchor.each(function() {
+            hide.apply(this, arguments);
+          });
+        });
+      }
+    }
+    function show() {
+      var anchor = select_default2(this);
+      var popoverSelection = anchor.selectAll(".popover-" + _id);
+      if (popoverSelection.empty()) {
+        anchor.call(popover.destroy);
+        anchor.each(setup);
+        popoverSelection = anchor.selectAll(".popover-" + _id);
+      }
+      popoverSelection.classed("in", true);
+      var displayType = _displayType.apply(this, arguments);
+      if (displayType === "clickFocus") {
+        anchor.classed("active", true);
+        popoverSelection.node().focus();
+      }
+      anchor.each(updateContent);
+    }
+    function updateContent() {
+      var anchor = select_default2(this);
+      if (_content) {
+        anchor.selectAll(".popover-" + _id + " > .popover-inner").call(_content.apply(this, arguments));
+      }
+      updatePosition.apply(this, arguments);
+      updatePosition.apply(this, arguments);
+      updatePosition.apply(this, arguments);
+    }
+    function updatePosition() {
+      var anchor = select_default2(this);
+      var popoverSelection = anchor.selectAll(".popover-" + _id);
+      var scrollContainer = _scrollContainer && _scrollContainer.apply(this, arguments);
+      var scrollNode = scrollContainer && !scrollContainer.empty() && scrollContainer.node();
+      var scrollLeft = scrollNode ? scrollNode.scrollLeft : 0;
+      var scrollTop = scrollNode ? scrollNode.scrollTop : 0;
+      var placement = _placement.apply(this, arguments);
+      popoverSelection.classed("left", false).classed("right", false).classed("top", false).classed("bottom", false).classed(placement, true);
+      var alignment = _alignment.apply(this, arguments);
+      var alignFactor = 0.5;
+      if (alignment === "leading") {
+        alignFactor = 0;
+      } else if (alignment === "trailing") {
+        alignFactor = 1;
+      }
+      var anchorFrame = getFrame(anchor.node());
+      var popoverFrame = getFrame(popoverSelection.node());
+      var position;
+      switch (placement) {
+        case "top":
+          position = {
+            x: anchorFrame.x + (anchorFrame.w - popoverFrame.w) * alignFactor,
+            y: anchorFrame.y - popoverFrame.h
+          };
+          break;
+        case "bottom":
+          position = {
+            x: anchorFrame.x + (anchorFrame.w - popoverFrame.w) * alignFactor,
+            y: anchorFrame.y + anchorFrame.h
+          };
+          break;
+        case "left":
+          position = {
+            x: anchorFrame.x - popoverFrame.w,
+            y: anchorFrame.y + (anchorFrame.h - popoverFrame.h) * alignFactor
+          };
+          break;
+        case "right":
+          position = {
+            x: anchorFrame.x + anchorFrame.w,
+            y: anchorFrame.y + (anchorFrame.h - popoverFrame.h) * alignFactor
+          };
+          break;
+      }
+      if (position) {
+        if (scrollNode && (placement === "top" || placement === "bottom")) {
+          var initialPosX = position.x;
+          if (position.x + popoverFrame.w > scrollNode.offsetWidth - 10) {
+            position.x = scrollNode.offsetWidth - 10 - popoverFrame.w;
+          } else if (position.x < 10) {
+            position.x = 10;
+          }
+          var arrow = anchor.selectAll(".popover-" + _id + " > .popover-arrow");
+          var arrowPosX = Math.min(Math.max(popoverFrame.w / 2 - (position.x - initialPosX), 10), popoverFrame.w - 10);
+          arrow.style("left", ~~arrowPosX + "px");
+        }
+        popoverSelection.style("left", ~~position.x + "px").style("top", ~~position.y + "px");
+      } else {
+        popoverSelection.style("left", null).style("top", null);
+      }
+      function getFrame(node) {
+        var positionStyle = select_default2(node).style("position");
+        if (positionStyle === "absolute" || positionStyle === "static") {
+          return {
+            x: node.offsetLeft - scrollLeft,
+            y: node.offsetTop - scrollTop,
+            w: node.offsetWidth,
+            h: node.offsetHeight
+          };
+        } else {
+          return {
+            x: 0,
+            y: 0,
+            w: node.offsetWidth,
+            h: node.offsetHeight
+          };
+        }
+      }
+    }
+    function hide() {
+      var anchor = select_default2(this);
+      if (_displayType.apply(this, arguments) === "clickFocus") {
+        anchor.classed("active", false);
+      }
+      anchor.selectAll(".popover-" + _id).classed("in", false);
+    }
+    function toggle() {
+      if (select_default2(this).select(".popover-" + _id).classed("in")) {
+        hide.apply(this, arguments);
+      } else {
+        show.apply(this, arguments);
+      }
+    }
+    return popover;
+  }
+
+  // modules/ui/tooltip.js
+  function uiTooltip(klass) {
+    var tooltip = uiPopover((klass || "") + " tooltip").displayType("hover");
+    var _title = function() {
+      var title = this.getAttribute("data-original-title");
+      if (title) {
+        return title;
+      } else {
+        title = this.getAttribute("title");
+        this.removeAttribute("title");
+        this.setAttribute("data-original-title", title);
+      }
+      return title;
+    };
+    var _heading = utilFunctor(null);
+    var _keys = utilFunctor(null);
+    tooltip.title = function(val) {
+      if (!arguments.length)
+        return _title;
+      _title = utilFunctor(val);
+      return tooltip;
+    };
+    tooltip.heading = function(val) {
+      if (!arguments.length)
+        return _heading;
+      _heading = utilFunctor(val);
+      return tooltip;
+    };
+    tooltip.keys = function(val) {
+      if (!arguments.length)
+        return _keys;
+      _keys = utilFunctor(val);
+      return tooltip;
+    };
+    tooltip.content(function() {
+      var heading = _heading.apply(this, arguments);
+      var text2 = _title.apply(this, arguments);
+      var keys2 = _keys.apply(this, arguments);
+      var headingCallback = typeof heading === "function" ? heading : (s) => s.text(heading);
+      var textCallback = typeof text2 === "function" ? text2 : (s) => s.text(text2);
+      return function(selection2) {
+        var headingSelect = selection2.selectAll(".tooltip-heading").data(heading ? [heading] : []);
+        headingSelect.exit().remove();
+        headingSelect.enter().append("div").attr("class", "tooltip-heading").merge(headingSelect).text("").call(headingCallback);
+        var textSelect = selection2.selectAll(".tooltip-text").data(text2 ? [text2] : []);
+        textSelect.exit().remove();
+        textSelect.enter().append("div").attr("class", "tooltip-text").merge(textSelect).text("").call(textCallback);
+        var keyhintWrap = selection2.selectAll(".keyhint-wrap").data(keys2 && keys2.length ? [0] : []);
+        keyhintWrap.exit().remove();
+        var keyhintWrapEnter = keyhintWrap.enter().append("div").attr("class", "keyhint-wrap");
+        keyhintWrapEnter.append("span").call(_t.append("tooltip_keyhint"));
+        keyhintWrap = keyhintWrapEnter.merge(keyhintWrap);
+        keyhintWrap.selectAll("kbd.shortcut").data(keys2 && keys2.length ? keys2 : []).enter().append("kbd").attr("class", "shortcut").text(function(d) {
+          return d;
+        });
+      };
+    });
+    return tooltip;
+  }
+
+  // modules/ui/edit_menu.js
+  function uiEditMenu(context) {
+    var dispatch10 = dispatch_default("toggled");
+    var _menu = select_default2(null);
+    var _operations = [];
+    var _anchorLoc = [0, 0];
+    var _anchorLocLonLat = [0, 0];
+    var _triggerType = "";
+    var _vpTopMargin = 85;
+    var _vpBottomMargin = 45;
+    var _vpSideMargin = 35;
+    var _menuTop = false;
+    var _menuHeight;
+    var _menuWidth;
+    var _verticalPadding = 4;
+    var _tooltipWidth = 210;
+    var _menuSideMargin = 10;
+    var _tooltips = [];
+    var editMenu = function(selection2) {
+      var isTouchMenu = _triggerType.includes("touch") || _triggerType.includes("pen");
+      var ops = _operations.filter(function(op) {
+        return !isTouchMenu || !op.mouseOnly;
+      });
+      if (!ops.length)
+        return;
+      _tooltips = [];
+      _menuTop = isTouchMenu;
+      var showLabels = isTouchMenu;
+      var buttonHeight = showLabels ? 32 : 34;
+      if (showLabels) {
+        _menuWidth = 52 + Math.min(120, 6 * Math.max.apply(Math, ops.map(function(op) {
+          return op.title.length;
+        })));
+      } else {
+        _menuWidth = 44;
+      }
+      _menuHeight = _verticalPadding * 2 + ops.length * buttonHeight;
+      _menu = selection2.append("div").attr("class", "edit-menu").classed("touch-menu", isTouchMenu).style("padding", _verticalPadding + "px 0");
+      var buttons = _menu.selectAll(".edit-menu-item").data(ops);
+      var buttonsEnter = buttons.enter().append("button").attr("class", function(d) {
+        return "edit-menu-item edit-menu-item-" + d.id;
+      }).style("height", buttonHeight + "px").on("click", click).on("pointerup", pointerup).on("pointerdown mousedown", function pointerdown(d3_event) {
+        d3_event.stopPropagation();
+      }).on("mouseenter.highlight", function(d3_event, d) {
+        if (!d.relatedEntityIds || select_default2(this).classed("disabled"))
+          return;
+        utilHighlightEntities(d.relatedEntityIds(), true, context);
+      }).on("mouseleave.highlight", function(d3_event, d) {
+        if (!d.relatedEntityIds)
+          return;
+        utilHighlightEntities(d.relatedEntityIds(), false, context);
+      });
+      buttonsEnter.each(function(d) {
+        var tooltip = uiTooltip().heading(() => d.title).title(d.tooltip).keys([d.keys[0]]);
+        _tooltips.push(tooltip);
+        select_default2(this).call(tooltip).append("div").attr("class", "icon-wrap").call(svgIcon(d.icon && d.icon() || "#iD-operation-" + d.id, "operation"));
+      });
+      if (showLabels) {
+        buttonsEnter.append("span").attr("class", "label").each(function(d) {
+          select_default2(this).call(d.title);
+        });
+      }
+      buttonsEnter.merge(buttons).classed("disabled", function(d) {
+        return d.disabled();
+      });
+      updatePosition();
+      var initialScale = context.projection.scale();
+      context.map().on("move.edit-menu", function() {
+        if (initialScale !== context.projection.scale()) {
+          editMenu.close();
+        }
+      }).on("drawn.edit-menu", function(info) {
+        if (info.full)
+          updatePosition();
+      });
+      var lastPointerUpType;
+      function pointerup(d3_event) {
+        lastPointerUpType = d3_event.pointerType;
+      }
+      function click(d3_event, operation) {
+        d3_event.stopPropagation();
+        if (operation.relatedEntityIds) {
+          utilHighlightEntities(operation.relatedEntityIds(), false, context);
+        }
+        if (operation.disabled()) {
+          if (lastPointerUpType === "touch" || lastPointerUpType === "pen") {
+            context.ui().flash.duration(4e3).iconName("#iD-operation-" + operation.id).iconClass("operation disabled").label(operation.tooltip())();
+          }
+        } else {
+          if (lastPointerUpType === "touch" || lastPointerUpType === "pen") {
+            context.ui().flash.duration(2e3).iconName("#iD-operation-" + operation.id).iconClass("operation").label(operation.annotation() || operation.title)();
+          }
+          operation();
+          editMenu.close();
+        }
+        lastPointerUpType = null;
+      }
+      dispatch10.call("toggled", this, true);
+    };
+    function updatePosition() {
+      if (!_menu || _menu.empty())
+        return;
+      var anchorLoc = context.projection(_anchorLocLonLat);
+      var viewport = context.surfaceRect();
+      if (anchorLoc[0] < 0 || anchorLoc[0] > viewport.width || anchorLoc[1] < 0 || anchorLoc[1] > viewport.height) {
+        editMenu.close();
+        return;
+      }
+      var menuLeft = displayOnLeft(viewport);
+      var offset = [0, 0];
+      offset[0] = menuLeft ? -1 * (_menuSideMargin + _menuWidth) : _menuSideMargin;
+      if (_menuTop) {
+        if (anchorLoc[1] - _menuHeight < _vpTopMargin) {
+          offset[1] = -anchorLoc[1] + _vpTopMargin;
+        } else {
+          offset[1] = -_menuHeight;
+        }
+      } else {
+        if (anchorLoc[1] + _menuHeight > viewport.height - _vpBottomMargin) {
+          offset[1] = -anchorLoc[1] - _menuHeight + viewport.height - _vpBottomMargin;
+        } else {
+          offset[1] = 0;
+        }
+      }
+      var origin = geoVecAdd(anchorLoc, offset);
+      _menu.style("left", origin[0] + "px").style("top", origin[1] + "px");
+      var tooltipSide = tooltipPosition(viewport, menuLeft);
+      _tooltips.forEach(function(tooltip) {
+        tooltip.placement(tooltipSide);
+      });
+      function displayOnLeft(viewport2) {
+        if (_mainLocalizer.textDirection() === "ltr") {
+          if (anchorLoc[0] + _menuSideMargin + _menuWidth > viewport2.width - _vpSideMargin) {
+            return true;
+          }
+          return false;
+        } else {
+          if (anchorLoc[0] - _menuSideMargin - _menuWidth < _vpSideMargin) {
+            return false;
+          }
+          return true;
+        }
+      }
+      function tooltipPosition(viewport2, menuLeft2) {
+        if (_mainLocalizer.textDirection() === "ltr") {
+          if (menuLeft2) {
+            return "left";
+          }
+          if (anchorLoc[0] + _menuSideMargin + _menuWidth + _tooltipWidth > viewport2.width - _vpSideMargin) {
+            return "left";
+          }
+          return "right";
+        } else {
+          if (!menuLeft2) {
+            return "right";
+          }
+          if (anchorLoc[0] - _menuSideMargin - _menuWidth - _tooltipWidth < _vpSideMargin) {
+            return "right";
+          }
+          return "left";
+        }
+      }
+    }
+    editMenu.close = function() {
+      context.map().on("move.edit-menu", null).on("drawn.edit-menu", null);
+      _menu.remove();
+      _tooltips = [];
+      dispatch10.call("toggled", this, false);
+    };
+    editMenu.anchorLoc = function(val) {
+      if (!arguments.length)
+        return _anchorLoc;
+      _anchorLoc = val;
+      _anchorLocLonLat = context.projection.invert(_anchorLoc);
+      return editMenu;
+    };
+    editMenu.triggerType = function(val) {
+      if (!arguments.length)
+        return _triggerType;
+      _triggerType = val;
+      return editMenu;
+    };
+    editMenu.operations = function(val) {
+      if (!arguments.length)
+        return _operations;
+      _operations = val;
+      return editMenu;
+    };
+    return utilRebind(editMenu, dispatch10, "on");
+  }
+
+  // modules/ui/feature_info.js
+  function uiFeatureInfo(context) {
+    function update(selection2) {
+      var features = context.features();
+      var stats = features.stats();
+      var count = 0;
+      var hiddenList = features.hidden().map(function(k) {
+        if (stats[k]) {
+          count += stats[k];
+          return _t.append("inspector.title_count", {
+            title: _t("feature." + k + ".description"),
+            count: stats[k]
+          });
+        }
+        return null;
+      }).filter(Boolean);
+      selection2.text("");
+      if (hiddenList.length) {
+        var tooltipBehavior = uiTooltip().placement("top").title(function() {
+          return (selection3) => {
+            hiddenList.forEach((hiddenFeature) => {
+              selection3.append("div").call(hiddenFeature);
+            });
+          };
+        });
+        selection2.append("a").attr("class", "chip").attr("href", "#").call(_t.append("feature_info.hidden_warning", { count })).call(tooltipBehavior).on("click", function(d3_event) {
+          tooltipBehavior.hide();
+          d3_event.preventDefault();
+          context.ui().togglePanes(context.container().select(".map-panes .map-data-pane"));
+        });
+      }
+      selection2.classed("hide", !hiddenList.length);
+    }
+    return function(selection2) {
+      update(selection2);
+      context.features().on("change.feature_info", function() {
+        update(selection2);
+      });
+    };
+  }
+
+  // modules/ui/flash.js
+  function uiFlash(context) {
+    var _flashTimer;
+    var _duration = 2e3;
+    var _iconName = "#iD-icon-no";
+    var _iconClass = "disabled";
+    var _label = (s) => s.text("");
+    function flash() {
+      if (_flashTimer) {
+        _flashTimer.stop();
+      }
+      context.container().select(".main-footer-wrap").classed("footer-hide", true).classed("footer-show", false);
+      context.container().select(".flash-wrap").classed("footer-hide", false).classed("footer-show", true);
+      var content = context.container().select(".flash-wrap").selectAll(".flash-content").data([0]);
+      var contentEnter = content.enter().append("div").attr("class", "flash-content");
+      var iconEnter = contentEnter.append("svg").attr("class", "flash-icon icon").append("g").attr("transform", "translate(10,10)");
+      iconEnter.append("circle").attr("r", 9);
+      iconEnter.append("use").attr("transform", "translate(-7,-7)").attr("width", "14").attr("height", "14");
+      contentEnter.append("div").attr("class", "flash-text");
+      content = content.merge(contentEnter);
+      content.selectAll(".flash-icon").attr("class", "icon flash-icon " + (_iconClass || ""));
+      content.selectAll(".flash-icon use").attr("xlink:href", _iconName);
+      content.selectAll(".flash-text").attr("class", "flash-text").call(_label);
+      _flashTimer = timeout_default(function() {
+        _flashTimer = null;
+        context.container().select(".main-footer-wrap").classed("footer-hide", false).classed("footer-show", true);
+        context.container().select(".flash-wrap").classed("footer-hide", true).classed("footer-show", false);
+      }, _duration);
+      return content;
+    }
+    flash.duration = function(_) {
+      if (!arguments.length)
+        return _duration;
+      _duration = _;
+      return flash;
+    };
+    flash.label = function(_) {
+      if (!arguments.length)
+        return _label;
+      if (typeof _ !== "function") {
+        _label = (selection2) => selection2.text(_);
+      } else {
+        _label = (selection2) => selection2.text("").call(_);
+      }
+      return flash;
+    };
+    flash.iconName = function(_) {
+      if (!arguments.length)
+        return _iconName;
+      _iconName = _;
+      return flash;
+    };
+    flash.iconClass = function(_) {
+      if (!arguments.length)
+        return _iconClass;
+      _iconClass = _;
+      return flash;
+    };
+    return flash;
+  }
+
+  // modules/ui/full_screen.js
+  function uiFullScreen(context) {
+    var element = context.container().node();
+    function getFullScreenFn() {
+      if (element.requestFullscreen) {
+        return element.requestFullscreen;
+      } else if (element.msRequestFullscreen) {
+        return element.msRequestFullscreen;
+      } else if (element.mozRequestFullScreen) {
+        return element.mozRequestFullScreen;
+      } else if (element.webkitRequestFullscreen) {
+        return element.webkitRequestFullscreen;
+      }
+    }
+    function getExitFullScreenFn() {
+      if (document.exitFullscreen) {
+        return document.exitFullscreen;
+      } else if (document.msExitFullscreen) {
+        return document.msExitFullscreen;
+      } else if (document.mozCancelFullScreen) {
+        return document.mozCancelFullScreen;
+      } else if (document.webkitExitFullscreen) {
+        return document.webkitExitFullscreen;
+      }
+    }
+    function isFullScreen() {
+      return document.fullscreenElement || document.mozFullScreenElement || document.webkitFullscreenElement || document.msFullscreenElement;
+    }
+    function isSupported() {
+      return !!getFullScreenFn();
+    }
+    function fullScreen(d3_event) {
+      d3_event.preventDefault();
+      if (!isFullScreen()) {
+        getFullScreenFn().apply(element);
+      } else {
+        getExitFullScreenFn().apply(document);
+      }
+    }
+    return function() {
+      if (!isSupported())
+        return;
+      var detected = utilDetect();
+      var keys2 = detected.os === "mac" ? [uiCmd("\u2303\u2318F"), "f11"] : ["f11"];
+      context.keybinding().on(keys2, fullScreen);
+    };
+  }
+
+  // modules/ui/geolocate.js
+  function uiGeolocate(context) {
+    var _geolocationOptions = {
+      // prioritize speed and power usage over precision
+      enableHighAccuracy: false,
+      // don't hang indefinitely getting the location
+      timeout: 6e3
+      // 6sec
+    };
+    var _locating = uiLoading(context).message(_t.html("geolocate.locating")).blocking(true);
+    var _layer = context.layers().layer("geolocate");
+    var _position;
+    var _extent;
+    var _timeoutID;
+    var _button = select_default2(null);
+    function click() {
+      if (context.inIntro())
+        return;
+      if (!_layer.enabled() && !_locating.isShown()) {
+        _timeoutID = setTimeout(
+          error,
+          1e4
+          /* 10sec */
+        );
+        context.container().call(_locating);
+        navigator.geolocation.getCurrentPosition(success, error, _geolocationOptions);
+      } else {
+        _locating.close();
+        _layer.enabled(null, false);
+        updateButtonState();
+      }
+    }
+    function zoomTo() {
+      context.enter(modeBrowse(context));
+      var map2 = context.map();
+      _layer.enabled(_position, true);
+      updateButtonState();
+      map2.centerZoomEase(_extent.center(), Math.min(20, map2.extentZoom(_extent)));
+    }
+    function success(geolocation) {
+      _position = geolocation;
+      var coords = _position.coords;
+      _extent = geoExtent([coords.longitude, coords.latitude]).padByMeters(coords.accuracy);
+      zoomTo();
+      finish();
+    }
+    function error() {
+      if (_position) {
+        zoomTo();
+      } else {
+        context.ui().flash.label(_t.append("geolocate.location_unavailable")).iconName("#iD-icon-geolocate")();
+      }
+      finish();
+    }
+    function finish() {
+      _locating.close();
+      if (_timeoutID) {
+        clearTimeout(_timeoutID);
+      }
+      _timeoutID = void 0;
+    }
+    function updateButtonState() {
+      _button.classed("active", _layer.enabled());
+      _button.attr("aria-pressed", _layer.enabled());
+    }
+    return function(selection2) {
+      if (!navigator.geolocation || !navigator.geolocation.getCurrentPosition)
+        return;
+      _button = selection2.append("button").on("click", click).attr("aria-pressed", false).call(svgIcon("#iD-icon-geolocate", "light")).call(
+        uiTooltip().placement(_mainLocalizer.textDirection() === "rtl" ? "right" : "left").title(() => _t.append("geolocate.title")).keys([_t("geolocate.key")])
+      );
+      context.keybinding().on(_t("geolocate.key"), click);
+    };
+  }
+
+  // modules/ui/panels/background.js
+  function uiPanelBackground(context) {
+    var background = context.background();
+    var _currSourceName = null;
+    var _metadata = {};
+    var _metadataKeys = [
+      "zoom",
+      "vintage",
+      "source",
+      "description",
+      "resolution",
+      "accuracy"
+    ];
+    var debouncedRedraw = debounce_default(redraw, 250);
+    function redraw(selection2) {
+      var source = background.baseLayerSource();
+      if (!source)
+        return;
+      var isDG = source.id.match(/^DigitalGlobe/i) !== null;
+      var sourceLabel = source.label();
+      if (_currSourceName !== sourceLabel) {
+        _currSourceName = sourceLabel;
+        _metadata = {};
+      }
+      selection2.text("");
+      var list = selection2.append("ul").attr("class", "background-info");
+      list.append("li").call(_currSourceName);
+      _metadataKeys.forEach(function(k) {
+        if (isDG && k === "vintage")
+          return;
+        list.append("li").attr("class", "background-info-list-" + k).classed("hide", !_metadata[k]).call(_t.append("info_panels.background." + k, { suffix: ":" })).append("span").attr("class", "background-info-span-" + k).text(_metadata[k]);
+      });
+      debouncedGetMetadata(selection2);
+      var toggleTiles = context.getDebug("tile") ? "hide_tiles" : "show_tiles";
+      selection2.append("a").call(_t.append("info_panels.background." + toggleTiles)).attr("href", "#").attr("class", "button button-toggle-tiles").on("click", function(d3_event) {
+        d3_event.preventDefault();
+        context.setDebug("tile", !context.getDebug("tile"));
+        selection2.call(redraw);
+      });
+      if (isDG) {
+        var key = source.id + "-vintage";
+        var sourceVintage = context.background().findSource(key);
+        var showsVintage = context.background().showsLayer(sourceVintage);
+        var toggleVintage = showsVintage ? "hide_vintage" : "show_vintage";
+        selection2.append("a").call(_t.append("info_panels.background." + toggleVintage)).attr("href", "#").attr("class", "button button-toggle-vintage").on("click", function(d3_event) {
+          d3_event.preventDefault();
+          context.background().toggleOverlayLayer(sourceVintage);
+          selection2.call(redraw);
+        });
+      }
+      ["DigitalGlobe-Premium", "DigitalGlobe-Standard"].forEach(function(layerId) {
+        if (source.id !== layerId) {
+          var key2 = layerId + "-vintage";
+          var sourceVintage2 = context.background().findSource(key2);
+          if (context.background().showsLayer(sourceVintage2)) {
+            context.background().toggleOverlayLayer(sourceVintage2);
+          }
+        }
+      });
+    }
+    var debouncedGetMetadata = debounce_default(getMetadata, 250);
+    function getMetadata(selection2) {
+      var tile = context.container().select(".layer-background img.tile-center");
+      if (tile.empty())
+        return;
+      var sourceName = _currSourceName;
+      var d = tile.datum();
+      var zoom = d && d.length >= 3 && d[2] || Math.floor(context.map().zoom());
+      var center = context.map().center();
+      _metadata.zoom = String(zoom);
+      selection2.selectAll(".background-info-list-zoom").classed("hide", false).selectAll(".background-info-span-zoom").text(_metadata.zoom);
+      if (!d || !d.length >= 3)
+        return;
+      background.baseLayerSource().getMetadata(center, d, function(err, result) {
+        if (err || _currSourceName !== sourceName)
+          return;
+        var vintage = result.vintage;
+        _metadata.vintage = vintage && vintage.range || _t("info_panels.background.unknown");
+        selection2.selectAll(".background-info-list-vintage").classed("hide", false).selectAll(".background-info-span-vintage").text(_metadata.vintage);
+        _metadataKeys.forEach(function(k) {
+          if (k === "zoom" || k === "vintage")
+            return;
+          var val = result[k];
+          _metadata[k] = val;
+          selection2.selectAll(".background-info-list-" + k).classed("hide", !val).selectAll(".background-info-span-" + k).text(val);
+        });
+      });
+    }
+    var panel = function(selection2) {
+      selection2.call(redraw);
+      context.map().on("drawn.info-background", function() {
+        selection2.call(debouncedRedraw);
+      }).on("move.info-background", function() {
+        selection2.call(debouncedGetMetadata);
+      });
+    };
+    panel.off = function() {
+      context.map().on("drawn.info-background", null).on("move.info-background", null);
+    };
+    panel.id = "background";
+    panel.label = _t.append("info_panels.background.title");
+    panel.key = _t("info_panels.background.key");
+    return panel;
+  }
+
+  // modules/ui/panels/history.js
+  function uiPanelHistory(context) {
+    var osm;
+    function displayTimestamp(timestamp) {
+      if (!timestamp)
+        return _t("info_panels.history.unknown");
+      var options2 = {
+        day: "numeric",
+        month: "short",
+        year: "numeric",
+        hour: "numeric",
+        minute: "numeric",
+        second: "numeric"
+      };
+      var d = new Date(timestamp);
+      if (isNaN(d.getTime()))
+        return _t("info_panels.history.unknown");
+      return d.toLocaleString(_mainLocalizer.localeCode(), options2);
+    }
+    function displayUser(selection2, userName) {
+      if (!userName) {
+        selection2.append("span").call(_t.append("info_panels.history.unknown"));
+        return;
+      }
+      selection2.append("span").attr("class", "user-name").text(userName);
+      var links = selection2.append("div").attr("class", "links");
+      if (osm) {
+        links.append("a").attr("class", "user-osm-link").attr("href", osm.userURL(userName)).attr("target", "_blank").call(_t.append("info_panels.history.profile_link"));
+      }
+      links.append("a").attr("class", "user-hdyc-link").attr("href", "https://hdyc.neis-one.org/?" + userName).attr("target", "_blank").attr("tabindex", -1).text("HDYC");
+    }
+    function displayChangeset(selection2, changeset) {
+      if (!changeset) {
+        selection2.append("span").call(_t.append("info_panels.history.unknown"));
+        return;
+      }
+      selection2.append("span").attr("class", "changeset-id").text(changeset);
+      var links = selection2.append("div").attr("class", "links");
+      if (osm) {
+        links.append("a").attr("class", "changeset-osm-link").attr("href", osm.changesetURL(changeset)).attr("target", "_blank").call(_t.append("info_panels.history.changeset_link"));
+      }
+      links.append("a").attr("class", "changeset-osmcha-link").attr("href", "https://osmcha.org/changesets/" + changeset).attr("target", "_blank").text("OSMCha");
+      links.append("a").attr("class", "changeset-achavi-link").attr("href", "https://overpass-api.de/achavi/?changeset=" + changeset).attr("target", "_blank").text("Achavi");
+    }
+    function redraw(selection2) {
+      var selectedNoteID = context.selectedNoteID();
+      osm = context.connection();
+      var selected, note, entity;
+      if (selectedNoteID && osm) {
+        selected = [_t.html("note.note") + " " + selectedNoteID];
+        note = osm.getNote(selectedNoteID);
+      } else {
+        selected = context.selectedIDs().filter(function(e) {
+          return context.hasEntity(e);
+        });
+        if (selected.length) {
+          entity = context.entity(selected[0]);
+        }
+      }
+      var singular = selected.length === 1 ? selected[0] : null;
+      selection2.html("");
+      if (singular) {
+        selection2.append("h4").attr("class", "history-heading").html(singular);
+      } else {
+        selection2.append("h4").attr("class", "history-heading").call(_t.append("info_panels.selected", { n: selected.length }));
+      }
+      if (!singular)
+        return;
+      if (entity) {
+        selection2.call(redrawEntity, entity);
+      } else if (note) {
+        selection2.call(redrawNote, note);
+      }
+    }
+    function redrawNote(selection2, note) {
+      if (!note || note.isNew()) {
+        selection2.append("div").call(_t.append("info_panels.history.note_no_history"));
+        return;
+      }
+      var list = selection2.append("ul");
+      list.append("li").call(_t.append("info_panels.history.note_comments", { suffix: ":" })).append("span").text(note.comments.length);
+      if (note.comments.length) {
+        list.append("li").call(_t.append("info_panels.history.note_created_date", { suffix: ":" })).append("span").text(displayTimestamp(note.comments[0].date));
+        list.append("li").call(_t.append("info_panels.history.note_created_user", { suffix: ":" })).call(displayUser, note.comments[0].user);
+      }
+      if (osm) {
+        selection2.append("a").attr("class", "view-history-on-osm").attr("target", "_blank").attr("href", osm.noteURL(note)).call(svgIcon("#iD-icon-out-link", "inline")).append("span").call(_t.append("info_panels.history.note_link_text"));
+      }
+    }
+    function redrawEntity(selection2, entity) {
+      if (!entity || entity.isNew()) {
+        selection2.append("div").call(_t.append("info_panels.history.no_history"));
+        return;
+      }
+      var links = selection2.append("div").attr("class", "links");
+      if (osm) {
+        links.append("a").attr("class", "view-history-on-osm").attr("href", osm.historyURL(entity)).attr("target", "_blank").call(_t.append("info_panels.history.history_link"));
+      }
+      links.append("a").attr("class", "pewu-history-viewer-link").attr("href", "https://pewu.github.io/osm-history/#/" + entity.type + "/" + entity.osmId()).attr("target", "_blank").attr("tabindex", -1).text("PeWu");
+      var list = selection2.append("ul");
+      list.append("li").call(_t.append("info_panels.history.version", { suffix: ":" })).append("span").text(entity.version);
+      list.append("li").call(_t.append("info_panels.history.last_edit", { suffix: ":" })).append("span").text(displayTimestamp(entity.timestamp));
+      list.append("li").call(_t.append("info_panels.history.edited_by", { suffix: ":" })).call(displayUser, entity.user);
+      list.append("li").call(_t.append("info_panels.history.changeset", { suffix: ":" })).call(displayChangeset, entity.changeset);
+    }
+    var panel = function(selection2) {
+      selection2.call(redraw);
+      context.map().on("drawn.info-history", function() {
+        selection2.call(redraw);
+      });
+      context.on("enter.info-history", function() {
+        selection2.call(redraw);
+      });
+    };
+    panel.off = function() {
+      context.map().on("drawn.info-history", null);
+      context.on("enter.info-history", null);
+    };
+    panel.id = "history";
+    panel.label = _t.append("info_panels.history.title");
+    panel.key = _t("info_panels.history.key");
+    return panel;
+  }
+
+  // modules/util/units.js
+  var OSM_PRECISION = 7;
+  function displayLength(m, isImperial) {
+    var d = m * (isImperial ? 3.28084 : 1);
+    var unit2;
+    if (isImperial) {
+      if (d >= 5280) {
+        d /= 5280;
+        unit2 = "miles";
+      } else {
+        unit2 = "feet";
+      }
+    } else {
+      if (d >= 1e3) {
+        d /= 1e3;
+        unit2 = "kilometers";
+      } else {
+        unit2 = "meters";
+      }
+    }
+    return _t("units." + unit2, {
+      quantity: d.toLocaleString(_mainLocalizer.localeCode(), {
+        maximumSignificantDigits: 4
+      })
+    });
+  }
+  function displayArea(m2, isImperial) {
+    var locale2 = _mainLocalizer.localeCode();
+    var d = m2 * (isImperial ? 10.7639111056 : 1);
+    var d1, d2, area;
+    var unit1 = "";
+    var unit2 = "";
+    if (isImperial) {
+      if (d >= 6969600) {
+        d1 = d / 27878400;
+        unit1 = "square_miles";
+      } else {
+        d1 = d;
+        unit1 = "square_feet";
+      }
+      if (d > 4356 && d < 4356e4) {
+        d2 = d / 43560;
+        unit2 = "acres";
+      }
+    } else {
+      if (d >= 25e4) {
+        d1 = d / 1e6;
+        unit1 = "square_kilometers";
+      } else {
+        d1 = d;
+        unit1 = "square_meters";
+      }
+      if (d > 1e3 && d < 1e7) {
+        d2 = d / 1e4;
+        unit2 = "hectares";
+      }
+    }
+    area = _t("units." + unit1, {
+      quantity: d1.toLocaleString(locale2, {
+        maximumSignificantDigits: 4
+      })
+    });
+    if (d2) {
+      return _t("units.area_pair", {
+        area1: area,
+        area2: _t("units." + unit2, {
+          quantity: d2.toLocaleString(locale2, {
+            maximumSignificantDigits: 2
+          })
+        })
+      });
+    } else {
+      return area;
+    }
+  }
+  function wrap(x, min3, max3) {
+    var d = max3 - min3;
+    return ((x - min3) % d + d) % d + min3;
+  }
+  function clamp2(x, min3, max3) {
+    return Math.max(min3, Math.min(x, max3));
+  }
+  function displayCoordinate(deg, pos, neg) {
+    var locale2 = _mainLocalizer.localeCode();
+    var min3 = (Math.abs(deg) - Math.floor(Math.abs(deg))) * 60;
+    var sec = (min3 - Math.floor(min3)) * 60;
+    var displayDegrees = _t("units.arcdegrees", {
+      quantity: Math.floor(Math.abs(deg)).toLocaleString(locale2)
+    });
+    var displayCoordinate2;
+    if (Math.floor(sec) > 0) {
+      displayCoordinate2 = displayDegrees + _t("units.arcminutes", {
+        quantity: Math.floor(min3).toLocaleString(locale2)
+      }) + _t("units.arcseconds", {
+        quantity: Math.round(sec).toLocaleString(locale2)
+      });
+    } else if (Math.floor(min3) > 0) {
+      displayCoordinate2 = displayDegrees + _t("units.arcminutes", {
+        quantity: Math.round(min3).toLocaleString(locale2)
+      });
+    } else {
+      displayCoordinate2 = _t("units.arcdegrees", {
+        quantity: Math.round(Math.abs(deg)).toLocaleString(locale2)
+      });
+    }
+    if (deg === 0) {
+      return displayCoordinate2;
+    } else {
+      return _t("units.coordinate", {
+        coordinate: displayCoordinate2,
+        direction: _t("units." + (deg > 0 ? pos : neg))
+      });
+    }
+  }
+  function dmsCoordinatePair(coord2) {
+    return _t("units.coordinate_pair", {
+      latitude: displayCoordinate(clamp2(coord2[1], -90, 90), "north", "south"),
+      longitude: displayCoordinate(wrap(coord2[0], -180, 180), "east", "west")
+    });
+  }
+  function decimalCoordinatePair(coord2) {
+    return _t("units.coordinate_pair", {
+      latitude: clamp2(coord2[1], -90, 90).toFixed(OSM_PRECISION),
+      longitude: wrap(coord2[0], -180, 180).toFixed(OSM_PRECISION)
+    });
+  }
+
+  // modules/ui/panels/location.js
+  function uiPanelLocation(context) {
+    var currLocation = "";
+    function redraw(selection2) {
+      selection2.html("");
+      var list = selection2.append("ul");
+      var coord2 = context.map().mouseCoordinates();
+      if (coord2.some(isNaN)) {
+        coord2 = context.map().center();
+      }
+      list.append("li").text(dmsCoordinatePair(coord2)).append("li").text(decimalCoordinatePair(coord2));
+      selection2.append("div").attr("class", "location-info").text(currLocation || " ");
+      debouncedGetLocation(selection2, coord2);
+    }
+    var debouncedGetLocation = debounce_default(getLocation, 250);
+    function getLocation(selection2, coord2) {
+      if (!services.geocoder) {
+        currLocation = _t("info_panels.location.unknown_location");
+        selection2.selectAll(".location-info").text(currLocation);
+      } else {
+        services.geocoder.reverse(coord2, function(err, result) {
+          currLocation = result ? result.display_name : _t("info_panels.location.unknown_location");
+          selection2.selectAll(".location-info").text(currLocation);
+        });
+      }
+    }
+    var panel = function(selection2) {
+      selection2.call(redraw);
+      context.surface().on(("PointerEvent" in window ? "pointer" : "mouse") + "move.info-location", function() {
+        selection2.call(redraw);
+      });
+    };
+    panel.off = function() {
+      context.surface().on(".info-location", null);
+    };
+    panel.id = "location";
+    panel.label = _t.append("info_panels.location.title");
+    panel.key = _t("info_panels.location.key");
+    return panel;
+  }
+
+  // modules/ui/panels/measurement.js
+  function uiPanelMeasurement(context) {
+    function radiansToMeters(r) {
+      return r * 63710071809e-4;
+    }
+    function steradiansToSqmeters(r) {
+      return r / (4 * Math.PI) * 510065621724e3;
+    }
+    function toLineString(feature3) {
+      if (feature3.type === "LineString")
+        return feature3;
+      var result = { type: "LineString", coordinates: [] };
+      if (feature3.type === "Polygon") {
+        result.coordinates = feature3.coordinates[0];
+      } else if (feature3.type === "MultiPolygon") {
+        result.coordinates = feature3.coordinates[0][0];
+      }
+      return result;
+    }
+    var _isImperial = !_mainLocalizer.usesMetric();
+    function redraw(selection2) {
+      var graph = context.graph();
+      var selectedNoteID = context.selectedNoteID();
+      var osm = services.osm;
+      var localeCode = _mainLocalizer.localeCode();
+      var heading;
+      var center, location, centroid;
+      var closed, geometry;
+      var totalNodeCount, length = 0, area = 0, distance;
+      if (selectedNoteID && osm) {
+        var note = osm.getNote(selectedNoteID);
+        heading = _t.html("note.note") + " " + selectedNoteID;
+        location = note.loc;
+        geometry = "note";
+      } else {
+        var selectedIDs = context.selectedIDs().filter(function(id2) {
+          return context.hasEntity(id2);
+        });
+        var selected = selectedIDs.map(function(id2) {
+          return context.entity(id2);
+        });
+        heading = selected.length === 1 ? selected[0].id : _t.html("info_panels.selected", { n: selected.length });
+        if (selected.length) {
+          var extent = geoExtent();
+          for (var i2 in selected) {
+            var entity = selected[i2];
+            extent._extend(entity.extent(graph));
+            geometry = entity.geometry(graph);
+            if (geometry === "line" || geometry === "area") {
+              closed = entity.type === "relation" || entity.isClosed() && !entity.isDegenerate();
+              var feature3 = entity.asGeoJSON(graph);
+              length += radiansToMeters(length_default(toLineString(feature3)));
+              centroid = path_default(context.projection).centroid(entity.asGeoJSON(graph));
+              centroid = centroid && context.projection.invert(centroid);
+              if (!centroid || !isFinite(centroid[0]) || !isFinite(centroid[1])) {
+                centroid = entity.extent(graph).center();
+              }
+              if (closed) {
+                area += steradiansToSqmeters(entity.area(graph));
+              }
+            }
+          }
+          if (selected.length > 1) {
+            geometry = null;
+            closed = null;
+            centroid = null;
+          }
+          if (selected.length === 2 && selected[0].type === "node" && selected[1].type === "node") {
+            distance = geoSphericalDistance(selected[0].loc, selected[1].loc);
+          }
+          if (selected.length === 1 && selected[0].type === "node") {
+            location = selected[0].loc;
+          } else {
+            totalNodeCount = utilGetAllNodes(selectedIDs, context.graph()).length;
+          }
+          if (!location && !centroid) {
+            center = extent.center();
+          }
+        }
+      }
+      selection2.html("");
+      if (heading) {
+        selection2.append("h4").attr("class", "measurement-heading").html(heading);
+      }
+      var list = selection2.append("ul");
+      var coordItem;
+      if (geometry) {
+        list.append("li").call(_t.append("info_panels.measurement.geometry", { suffix: ":" })).append("span").html(
+          closed ? _t.html("info_panels.measurement.closed_" + geometry) : _t.html("geometry." + geometry)
+        );
+      }
+      if (totalNodeCount) {
+        list.append("li").call(_t.append("info_panels.measurement.node_count", { suffix: ":" })).append("span").text(totalNodeCount.toLocaleString(localeCode));
+      }
+      if (area) {
+        list.append("li").call(_t.append("info_panels.measurement.area", { suffix: ":" })).append("span").text(displayArea(area, _isImperial));
+      }
+      if (length) {
+        list.append("li").call(_t.append("info_panels.measurement." + (closed ? "perimeter" : "length"), { suffix: ":" })).append("span").text(displayLength(length, _isImperial));
+      }
+      if (typeof distance === "number") {
+        list.append("li").call(_t.append("info_panels.measurement.distance", { suffix: ":" })).append("span").text(displayLength(distance, _isImperial));
+      }
+      if (location) {
+        coordItem = list.append("li").call(_t.append("info_panels.measurement.location", { suffix: ":" }));
+        coordItem.append("span").text(dmsCoordinatePair(location));
+        coordItem.append("span").text(decimalCoordinatePair(location));
+      }
+      if (centroid) {
+        coordItem = list.append("li").call(_t.append("info_panels.measurement.centroid", { suffix: ":" }));
+        coordItem.append("span").text(dmsCoordinatePair(centroid));
+        coordItem.append("span").text(decimalCoordinatePair(centroid));
+      }
+      if (center) {
+        coordItem = list.append("li").call(_t.append("info_panels.measurement.center", { suffix: ":" }));
+        coordItem.append("span").text(dmsCoordinatePair(center));
+        coordItem.append("span").text(decimalCoordinatePair(center));
+      }
+      if (length || area || typeof distance === "number") {
+        var toggle = _isImperial ? "imperial" : "metric";
+        selection2.append("a").call(_t.append("info_panels.measurement." + toggle)).attr("href", "#").attr("class", "button button-toggle-units").on("click", function(d3_event) {
+          d3_event.preventDefault();
+          _isImperial = !_isImperial;
+          selection2.call(redraw);
+        });
+      }
+    }
+    var panel = function(selection2) {
+      selection2.call(redraw);
+      context.map().on("drawn.info-measurement", function() {
+        selection2.call(redraw);
+      });
+      context.on("enter.info-measurement", function() {
+        selection2.call(redraw);
+      });
+    };
+    panel.off = function() {
+      context.map().on("drawn.info-measurement", null);
+      context.on("enter.info-measurement", null);
+    };
+    panel.id = "measurement";
+    panel.label = _t.append("info_panels.measurement.title");
+    panel.key = _t("info_panels.measurement.key");
+    return panel;
+  }
+
+  // modules/ui/panels/index.js
+  var uiInfoPanels = {
+    background: uiPanelBackground,
+    history: uiPanelHistory,
+    location: uiPanelLocation,
+    measurement: uiPanelMeasurement
+  };
+
+  // modules/ui/info.js
+  function uiInfo(context) {
+    var ids = Object.keys(uiInfoPanels);
+    var wasActive = ["measurement"];
+    var panels = {};
+    var active = {};
+    ids.forEach(function(k) {
+      if (!panels[k]) {
+        panels[k] = uiInfoPanels[k](context);
+        active[k] = false;
+      }
+    });
+    function info(selection2) {
+      function redraw() {
+        var activeids = ids.filter(function(k) {
+          return active[k];
+        }).sort();
+        var containers = infoPanels.selectAll(".panel-container").data(activeids, function(k) {
+          return k;
+        });
+        containers.exit().style("opacity", 1).transition().duration(200).style("opacity", 0).on("end", function(d) {
+          select_default2(this).call(panels[d].off).remove();
+        });
+        var enter = containers.enter().append("div").attr("class", function(d) {
+          return "fillD2 panel-container panel-container-" + d;
+        });
+        enter.style("opacity", 0).transition().duration(200).style("opacity", 1);
+        var title = enter.append("div").attr("class", "panel-title fillD2");
+        title.append("h3").each(function(d) {
+          return panels[d].label(select_default2(this));
+        });
+        title.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", function(d3_event, d) {
+          d3_event.stopImmediatePropagation();
+          d3_event.preventDefault();
+          info.toggle(d);
+        }).call(svgIcon("#iD-icon-close"));
+        enter.append("div").attr("class", function(d) {
+          return "panel-content panel-content-" + d;
+        });
+        infoPanels.selectAll(".panel-content").each(function(d) {
+          select_default2(this).call(panels[d]);
+        });
+      }
+      info.toggle = function(which) {
+        var activeids = ids.filter(function(k) {
+          return active[k];
+        });
+        if (which) {
+          active[which] = !active[which];
+          if (activeids.length === 1 && activeids[0] === which) {
+            wasActive = [which];
+          }
+          context.container().select("." + which + "-panel-toggle-item").classed("active", active[which]).select("input").property("checked", active[which]);
+        } else {
+          if (activeids.length) {
+            wasActive = activeids;
+            activeids.forEach(function(k) {
+              active[k] = false;
+            });
+          } else {
+            wasActive.forEach(function(k) {
+              active[k] = true;
+            });
+          }
+        }
+        redraw();
+      };
+      var infoPanels = selection2.selectAll(".info-panels").data([0]);
+      infoPanels = infoPanels.enter().append("div").attr("class", "info-panels").merge(infoPanels);
+      redraw();
+      context.keybinding().on(uiCmd("\u2318" + _t("info_panels.key")), function(d3_event) {
+        d3_event.stopImmediatePropagation();
+        d3_event.preventDefault();
+        info.toggle();
+      });
+      ids.forEach(function(k) {
+        var key = _t("info_panels." + k + ".key", { default: null });
+        if (!key)
+          return;
+        context.keybinding().on(uiCmd("\u2318\u21E7" + key), function(d3_event) {
+          d3_event.stopImmediatePropagation();
+          d3_event.preventDefault();
+          info.toggle(k);
+        });
+      });
+    }
+    return info;
+  }
+
+  // modules/ui/intro/helper.js
+  function pointBox(loc, context) {
+    var rect = context.surfaceRect();
+    var point2 = context.curtainProjection(loc);
+    return {
+      left: point2[0] + rect.left - 40,
+      top: point2[1] + rect.top - 60,
+      width: 80,
+      height: 90
+    };
+  }
+  function pad(locOrBox, padding, context) {
+    var box;
+    if (locOrBox instanceof Array) {
+      var rect = context.surfaceRect();
+      var point2 = context.curtainProjection(locOrBox);
+      box = {
+        left: point2[0] + rect.left,
+        top: point2[1] + rect.top
+      };
+    } else {
+      box = locOrBox;
+    }
+    return {
+      left: box.left - padding,
+      top: box.top - padding,
+      width: (box.width || 0) + 2 * padding,
+      height: (box.width || 0) + 2 * padding
+    };
+  }
+  function icon(name, svgklass, useklass) {
+    return '<svg class="icon ' + (svgklass || "") + '"><use xlink:href="' + name + '"' + (useklass ? ' class="' + useklass + '"' : "") + "></use></svg>";
+  }
+  var helpStringReplacements;
+  function helpHtml(id2, replacements) {
+    if (!helpStringReplacements) {
+      helpStringReplacements = {
+        // insert icons corresponding to various UI elements
+        point_icon: icon("#iD-icon-point", "inline"),
+        line_icon: icon("#iD-icon-line", "inline"),
+        area_icon: icon("#iD-icon-area", "inline"),
+        note_icon: icon("#iD-icon-note", "inline add-note"),
+        plus: icon("#iD-icon-plus", "inline"),
+        minus: icon("#iD-icon-minus", "inline"),
+        layers_icon: icon("#iD-icon-layers", "inline"),
+        data_icon: icon("#iD-icon-data", "inline"),
+        inspect: icon("#iD-icon-inspect", "inline"),
+        help_icon: icon("#iD-icon-help", "inline"),
+        undo_icon: icon(_mainLocalizer.textDirection() === "rtl" ? "#iD-icon-redo" : "#iD-icon-undo", "inline"),
+        redo_icon: icon(_mainLocalizer.textDirection() === "rtl" ? "#iD-icon-undo" : "#iD-icon-redo", "inline"),
+        save_icon: icon("#iD-icon-save", "inline"),
+        // operation icons
+        circularize_icon: icon("#iD-operation-circularize", "inline operation"),
+        continue_icon: icon("#iD-operation-continue", "inline operation"),
+        copy_icon: icon("#iD-operation-copy", "inline operation"),
+        delete_icon: icon("#iD-operation-delete", "inline operation"),
+        disconnect_icon: icon("#iD-operation-disconnect", "inline operation"),
+        downgrade_icon: icon("#iD-operation-downgrade", "inline operation"),
+        extract_icon: icon("#iD-operation-extract", "inline operation"),
+        merge_icon: icon("#iD-operation-merge", "inline operation"),
+        move_icon: icon("#iD-operation-move", "inline operation"),
+        orthogonalize_icon: icon("#iD-operation-orthogonalize", "inline operation"),
+        paste_icon: icon("#iD-operation-paste", "inline operation"),
+        reflect_long_icon: icon("#iD-operation-reflect-long", "inline operation"),
+        reflect_short_icon: icon("#iD-operation-reflect-short", "inline operation"),
+        reverse_icon: icon("#iD-operation-reverse", "inline operation"),
+        rotate_icon: icon("#iD-operation-rotate", "inline operation"),
+        split_icon: icon("#iD-operation-split", "inline operation"),
+        straighten_icon: icon("#iD-operation-straighten", "inline operation"),
+        // interaction icons
+        leftclick: icon("#iD-walkthrough-mouse-left", "inline operation"),
+        rightclick: icon("#iD-walkthrough-mouse-right", "inline operation"),
+        mousewheel_icon: icon("#iD-walkthrough-mousewheel", "inline operation"),
+        tap_icon: icon("#iD-walkthrough-tap", "inline operation"),
+        doubletap_icon: icon("#iD-walkthrough-doubletap", "inline operation"),
+        longpress_icon: icon("#iD-walkthrough-longpress", "inline operation"),
+        touchdrag_icon: icon("#iD-walkthrough-touchdrag", "inline operation"),
+        pinch_icon: icon("#iD-walkthrough-pinch-apart", "inline operation"),
+        // insert keys; may be localized and platform-dependent
+        shift: uiCmd.display("\u21E7"),
+        alt: uiCmd.display("\u2325"),
+        return: uiCmd.display("\u21B5"),
+        esc: _t.html("shortcuts.key.esc"),
+        space: _t.html("shortcuts.key.space"),
+        add_note_key: _t.html("modes.add_note.key"),
+        help_key: _t.html("help.key"),
+        shortcuts_key: _t.html("shortcuts.toggle.key"),
+        // reference localized UI labels directly so that they'll always match
+        save: _t.html("save.title"),
+        undo: _t.html("undo.title"),
+        redo: _t.html("redo.title"),
+        upload: _t.html("commit.save"),
+        point: _t.html("modes.add_point.title"),
+        line: _t.html("modes.add_line.title"),
+        area: _t.html("modes.add_area.title"),
+        note: _t.html("modes.add_note.label"),
+        circularize: _t.html("operations.circularize.title"),
+        continue: _t.html("operations.continue.title"),
+        copy: _t.html("operations.copy.title"),
+        delete: _t.html("operations.delete.title"),
+        disconnect: _t.html("operations.disconnect.title"),
+        downgrade: _t.html("operations.downgrade.title"),
+        extract: _t.html("operations.extract.title"),
+        merge: _t.html("operations.merge.title"),
+        move: _t.html("operations.move.title"),
+        orthogonalize: _t.html("operations.orthogonalize.title"),
+        paste: _t.html("operations.paste.title"),
+        reflect_long: _t.html("operations.reflect.title.long"),
+        reflect_short: _t.html("operations.reflect.title.short"),
+        reverse: _t.html("operations.reverse.title"),
+        rotate: _t.html("operations.rotate.title"),
+        split: _t.html("operations.split.title"),
+        straighten: _t.html("operations.straighten.title"),
+        map_data: _t.html("map_data.title"),
+        osm_notes: _t.html("map_data.layers.notes.title"),
+        fields: _t.html("inspector.fields"),
+        tags: _t.html("inspector.tags"),
+        relations: _t.html("inspector.relations"),
+        new_relation: _t.html("inspector.new_relation"),
+        turn_restrictions: _t.html("_tagging.presets.fields.restrictions.label"),
+        background_settings: _t.html("background.description"),
+        imagery_offset: _t.html("background.fix_misalignment"),
+        start_the_walkthrough: _t.html("splash.walkthrough"),
+        help: _t.html("help.title"),
+        ok: _t.html("intro.ok")
+      };
+      for (var key in helpStringReplacements) {
+        helpStringReplacements[key] = { html: helpStringReplacements[key] };
+      }
+    }
+    var reps;
+    if (replacements) {
+      reps = Object.assign(replacements, helpStringReplacements);
+    } else {
+      reps = helpStringReplacements;
+    }
+    return _t.html(id2, reps).replace(/\`(.*?)\`/g, "<kbd>$1</kbd>");
+  }
+  function slugify(text2) {
+    return text2.toString().toLowerCase().replace(/\s+/g, "-").replace(/[^\w\-]+/g, "").replace(/\-\-+/g, "-").replace(/^-+/, "").replace(/-+$/, "");
+  }
+  var missingStrings = {};
+  function checkKey(key, text2) {
+    if (_t(key, { default: void 0 }) === void 0) {
+      if (missingStrings.hasOwnProperty(key))
+        return;
+      missingStrings[key] = text2;
+      var missing = key + ": " + text2;
+      if (typeof console !== "undefined")
+        console.log(missing);
+    }
+  }
+  function localize(obj) {
+    var key;
+    var name = obj.tags && obj.tags.name;
+    if (name) {
+      key = "intro.graph.name." + slugify(name);
+      obj.tags.name = _t(key, { default: name });
+      checkKey(key, name);
+    }
+    var street = obj.tags && obj.tags["addr:street"];
+    if (street) {
+      key = "intro.graph.name." + slugify(street);
+      obj.tags["addr:street"] = _t(key, { default: street });
+      checkKey(key, street);
+      var addrTags = [
+        "block_number",
+        "city",
+        "county",
+        "district",
+        "hamlet",
+        "neighbourhood",
+        "postcode",
+        "province",
+        "quarter",
+        "state",
+        "subdistrict",
+        "suburb"
+      ];
+      addrTags.forEach(function(k) {
+        var key2 = "intro.graph." + k;
+        var tag = "addr:" + k;
+        var val = obj.tags && obj.tags[tag];
+        var str2 = _t(key2, { default: val });
+        if (str2) {
+          if (str2.match(/^<.*>$/) !== null) {
+            delete obj.tags[tag];
+          } else {
+            obj.tags[tag] = str2;
+          }
+        }
+      });
+    }
+    return obj;
+  }
+  function isMostlySquare(points) {
+    var threshold = 15;
+    var lowerBound = Math.cos((90 - threshold) * Math.PI / 180);
+    var upperBound = Math.cos(threshold * Math.PI / 180);
+    for (var i2 = 0; i2 < points.length; i2++) {
+      var a = points[(i2 - 1 + points.length) % points.length];
+      var origin = points[i2];
+      var b = points[(i2 + 1) % points.length];
+      var dotp = geoVecNormalizedDot(a, b, origin);
+      var mag = Math.abs(dotp);
+      if (mag > lowerBound && mag < upperBound) {
+        return false;
+      }
+    }
+    return true;
+  }
+  function selectMenuItem(context, operation) {
+    return context.container().select(".edit-menu .edit-menu-item-" + operation);
+  }
+  function transitionTime(point1, point2) {
+    var distance = geoSphericalDistance(point1, point2);
+    if (distance === 0) {
+      return 0;
+    } else if (distance < 80) {
+      return 500;
+    } else {
+      return 1e3;
+    }
+  }
+
+  // modules/ui/toggle.js
+  function uiToggle(show, callback) {
+    return function(selection2) {
+      selection2.style("opacity", show ? 0 : 1).classed("hide", false).transition().style("opacity", show ? 1 : 0).on("end", function() {
+        select_default2(this).classed("hide", !show).style("opacity", null);
+        if (callback)
+          callback.apply(this);
+      });
+    };
+  }
+
+  // modules/ui/curtain.js
+  function uiCurtain(containerNode) {
+    var surface = select_default2(null), tooltip = select_default2(null), darkness = select_default2(null);
+    function curtain(selection2) {
+      surface = selection2.append("svg").attr("class", "curtain").style("top", 0).style("left", 0);
+      darkness = surface.append("path").attr("x", 0).attr("y", 0).attr("class", "curtain-darkness");
+      select_default2(window).on("resize.curtain", resize);
+      tooltip = selection2.append("div").attr("class", "tooltip");
+      tooltip.append("div").attr("class", "popover-arrow");
+      tooltip.append("div").attr("class", "popover-inner");
+      resize();
+      function resize() {
+        surface.attr("width", containerNode.clientWidth).attr("height", containerNode.clientHeight);
+        curtain.cut(darkness.datum());
+      }
+    }
+    curtain.reveal = function(box, html2, options2) {
+      options2 = options2 || {};
+      if (typeof box === "string") {
+        box = select_default2(box).node();
+      }
+      if (box && box.getBoundingClientRect) {
+        box = copyBox(box.getBoundingClientRect());
+        var containerRect = containerNode.getBoundingClientRect();
+        box.top -= containerRect.top;
+        box.left -= containerRect.left;
+      }
+      if (box && options2.padding) {
+        box.top -= options2.padding;
+        box.left -= options2.padding;
+        box.bottom += options2.padding;
+        box.right += options2.padding;
+        box.height += options2.padding * 2;
+        box.width += options2.padding * 2;
+      }
+      var tooltipBox;
+      if (options2.tooltipBox) {
+        tooltipBox = options2.tooltipBox;
+        if (typeof tooltipBox === "string") {
+          tooltipBox = select_default2(tooltipBox).node();
+        }
+        if (tooltipBox && tooltipBox.getBoundingClientRect) {
+          tooltipBox = copyBox(tooltipBox.getBoundingClientRect());
+        }
+      } else {
+        tooltipBox = box;
+      }
+      if (tooltipBox && html2) {
+        if (html2.indexOf("**") !== -1) {
+          if (html2.indexOf("<span") === 0) {
+            html2 = html2.replace(/^(<span.*?>)(.+?)(\*\*)/, "$1<span>$2</span>$3");
+          } else {
+            html2 = html2.replace(/^(.+?)(\*\*)/, "<span>$1</span>$2");
+          }
+          html2 = html2.replace(/\*\*(.*?)\*\*/g, '<span class="instruction">$1</span>');
+        }
+        html2 = html2.replace(/\*(.*?)\*/g, "<em>$1</em>");
+        html2 = html2.replace(/\{br\}/g, "<br/><br/>");
+        if (options2.buttonText && options2.buttonCallback) {
+          html2 += '<div class="button-section"><button href="#" class="button action">' + options2.buttonText + "</button></div>";
+        }
+        var classes = "curtain-tooltip popover tooltip arrowed in " + (options2.tooltipClass || "");
+        tooltip.classed(classes, true).selectAll(".popover-inner").html(html2);
+        if (options2.buttonText && options2.buttonCallback) {
+          var button = tooltip.selectAll(".button-section .button.action");
+          button.on("click", function(d3_event) {
+            d3_event.preventDefault();
+            options2.buttonCallback();
+          });
+        }
+        var tip = copyBox(tooltip.node().getBoundingClientRect()), w = containerNode.clientWidth, h = containerNode.clientHeight, tooltipWidth = 200, tooltipArrow = 5, side, pos;
+        if (options2.tooltipClass === "intro-mouse") {
+          tip.height += 80;
+        }
+        if (tooltipBox.top + tooltipBox.height > h) {
+          tooltipBox.height -= tooltipBox.top + tooltipBox.height - h;
+        }
+        if (tooltipBox.left + tooltipBox.width > w) {
+          tooltipBox.width -= tooltipBox.left + tooltipBox.width - w;
+        }
+        if (tooltipBox.top + tooltipBox.height < 100) {
+          side = "bottom";
+          pos = [
+            tooltipBox.left + tooltipBox.width / 2 - tip.width / 2,
+            tooltipBox.top + tooltipBox.height
+          ];
+        } else if (tooltipBox.top > h - 140) {
+          side = "top";
+          pos = [
+            tooltipBox.left + tooltipBox.width / 2 - tip.width / 2,
+            tooltipBox.top - tip.height
+          ];
+        } else {
+          var tipY = tooltipBox.top + tooltipBox.height / 2 - tip.height / 2;
+          if (_mainLocalizer.textDirection() === "rtl") {
+            if (tooltipBox.left - tooltipWidth - tooltipArrow < 70) {
+              side = "right";
+              pos = [tooltipBox.left + tooltipBox.width + tooltipArrow, tipY];
+            } else {
+              side = "left";
+              pos = [tooltipBox.left - tooltipWidth - tooltipArrow, tipY];
+            }
+          } else {
+            if (tooltipBox.left + tooltipBox.width + tooltipArrow + tooltipWidth > w - 70) {
+              side = "left";
+              pos = [tooltipBox.left - tooltipWidth - tooltipArrow, tipY];
+            } else {
+              side = "right";
+              pos = [tooltipBox.left + tooltipBox.width + tooltipArrow, tipY];
+            }
+          }
+        }
+        if (options2.duration !== 0 || !tooltip.classed(side)) {
+          tooltip.call(uiToggle(true));
+        }
+        tooltip.style("top", pos[1] + "px").style("left", pos[0] + "px").attr("class", classes + " " + side);
+        var shiftY = 0;
+        if (side === "left" || side === "right") {
+          if (pos[1] < 60) {
+            shiftY = 60 - pos[1];
+          } else if (pos[1] + tip.height > h - 100) {
+            shiftY = h - pos[1] - tip.height - 100;
+          }
+        }
+        tooltip.selectAll(".popover-inner").style("top", shiftY + "px");
+      } else {
+        tooltip.classed("in", false).call(uiToggle(false));
+      }
+      curtain.cut(box, options2.duration);
+      return tooltip;
+    };
+    curtain.cut = function(datum2, duration) {
+      darkness.datum(datum2).interrupt();
+      var selection2;
+      if (duration === 0) {
+        selection2 = darkness;
+      } else {
+        selection2 = darkness.transition().duration(duration || 600).ease(linear2);
+      }
+      selection2.attr("d", function(d) {
+        var containerWidth = containerNode.clientWidth;
+        var containerHeight = containerNode.clientHeight;
+        var string = "M 0,0 L 0," + containerHeight + " L " + containerWidth + "," + containerHeight + "L" + containerWidth + ",0 Z";
+        if (!d)
+          return string;
+        return string + "M" + d.left + "," + d.top + "L" + d.left + "," + (d.top + d.height) + "L" + (d.left + d.width) + "," + (d.top + d.height) + "L" + (d.left + d.width) + "," + d.top + "Z";
+      });
+    };
+    curtain.remove = function() {
+      surface.remove();
+      tooltip.remove();
+      select_default2(window).on("resize.curtain", null);
+    };
+    function copyBox(src) {
+      return {
+        top: src.top,
+        right: src.right,
+        bottom: src.bottom,
+        left: src.left,
+        width: src.width,
+        height: src.height
+      };
+    }
+    return curtain;
+  }
+
+  // modules/ui/intro/welcome.js
+  function uiIntroWelcome(context, reveal) {
+    var dispatch10 = dispatch_default("done");
+    var chapter = {
+      title: "intro.welcome.title"
+    };
+    function welcome() {
+      context.map().centerZoom([-85.63591, 41.94285], 19);
+      reveal(
+        ".intro-nav-wrap .chapter-welcome",
+        helpHtml("intro.welcome.welcome"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: practice }
+      );
+    }
+    function practice() {
+      reveal(
+        ".intro-nav-wrap .chapter-welcome",
+        helpHtml("intro.welcome.practice"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: words }
+      );
+    }
+    function words() {
+      reveal(
+        ".intro-nav-wrap .chapter-welcome",
+        helpHtml("intro.welcome.words"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: chapters }
+      );
+    }
+    function chapters() {
+      dispatch10.call("done");
+      reveal(
+        ".intro-nav-wrap .chapter-navigation",
+        helpHtml("intro.welcome.chapters", { next: _t("intro.navigation.title") })
+      );
+    }
+    chapter.enter = function() {
+      welcome();
+    };
+    chapter.exit = function() {
+      context.container().select(".curtain-tooltip.intro-mouse").selectAll(".counter").remove();
+    };
+    chapter.restart = function() {
+      chapter.exit();
+      chapter.enter();
+    };
+    return utilRebind(chapter, dispatch10, "on");
+  }
+
+  // modules/ui/intro/navigation.js
+  function uiIntroNavigation(context, reveal) {
+    var dispatch10 = dispatch_default("done");
+    var timeouts = [];
+    var hallId = "n2061";
+    var townHall = [-85.63591, 41.94285];
+    var springStreetId = "w397";
+    var springStreetEndId = "n1834";
+    var springStreet = [-85.63582, 41.94255];
+    var onewayField = _mainPresetIndex.field("oneway");
+    var maxspeedField = _mainPresetIndex.field("maxspeed");
+    var chapter = {
+      title: "intro.navigation.title"
+    };
+    function timeout2(f2, t) {
+      timeouts.push(window.setTimeout(f2, t));
+    }
+    function eventCancel(d3_event) {
+      d3_event.stopPropagation();
+      d3_event.preventDefault();
+    }
+    function isTownHallSelected() {
+      var ids = context.selectedIDs();
+      return ids.length === 1 && ids[0] === hallId;
+    }
+    function dragMap() {
+      context.enter(modeBrowse(context));
+      context.history().reset("initial");
+      var msec = transitionTime(townHall, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(townHall, 19, msec);
+      timeout2(function() {
+        var centerStart = context.map().center();
+        var textId = context.lastPointerType() === "mouse" ? "drag" : "drag_touch";
+        var dragString = helpHtml("intro.navigation.map_info") + "{br}" + helpHtml("intro.navigation." + textId);
+        reveal(".surface", dragString);
+        context.map().on("drawn.intro", function() {
+          reveal(".surface", dragString, { duration: 0 });
+        });
+        context.map().on("move.intro", function() {
+          var centerNow = context.map().center();
+          if (centerStart[0] !== centerNow[0] || centerStart[1] !== centerNow[1]) {
+            context.map().on("move.intro", null);
+            timeout2(function() {
+              continueTo(zoomMap);
+            }, 3e3);
+          }
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        nextStep();
+      }
+    }
+    function zoomMap() {
+      var zoomStart = context.map().zoom();
+      var textId = context.lastPointerType() === "mouse" ? "zoom" : "zoom_touch";
+      var zoomString = helpHtml("intro.navigation." + textId);
+      reveal(".surface", zoomString);
+      context.map().on("drawn.intro", function() {
+        reveal(".surface", zoomString, { duration: 0 });
+      });
+      context.map().on("move.intro", function() {
+        if (context.map().zoom() !== zoomStart) {
+          context.map().on("move.intro", null);
+          timeout2(function() {
+            continueTo(features);
+          }, 3e3);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        nextStep();
+      }
+    }
+    function features() {
+      var onClick = function() {
+        continueTo(pointsLinesAreas);
+      };
+      reveal(
+        ".surface",
+        helpHtml("intro.navigation.features"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      context.map().on("drawn.intro", function() {
+        reveal(
+          ".surface",
+          helpHtml("intro.navigation.features"),
+          { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+        );
+      });
+      function continueTo(nextStep) {
+        context.map().on("drawn.intro", null);
+        nextStep();
+      }
+    }
+    function pointsLinesAreas() {
+      var onClick = function() {
+        continueTo(nodesWays);
+      };
+      reveal(
+        ".surface",
+        helpHtml("intro.navigation.points_lines_areas"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      context.map().on("drawn.intro", function() {
+        reveal(
+          ".surface",
+          helpHtml("intro.navigation.points_lines_areas"),
+          { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+        );
+      });
+      function continueTo(nextStep) {
+        context.map().on("drawn.intro", null);
+        nextStep();
+      }
+    }
+    function nodesWays() {
+      var onClick = function() {
+        continueTo(clickTownHall);
+      };
+      reveal(
+        ".surface",
+        helpHtml("intro.navigation.nodes_ways"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      context.map().on("drawn.intro", function() {
+        reveal(
+          ".surface",
+          helpHtml("intro.navigation.nodes_ways"),
+          { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+        );
+      });
+      function continueTo(nextStep) {
+        context.map().on("drawn.intro", null);
+        nextStep();
+      }
+    }
+    function clickTownHall() {
+      context.enter(modeBrowse(context));
+      context.history().reset("initial");
+      var entity = context.hasEntity(hallId);
+      if (!entity)
+        return;
+      reveal(null, null, { duration: 0 });
+      context.map().centerZoomEase(entity.loc, 19, 500);
+      timeout2(function() {
+        var entity2 = context.hasEntity(hallId);
+        if (!entity2)
+          return;
+        var box = pointBox(entity2.loc, context);
+        var textId = context.lastPointerType() === "mouse" ? "click_townhall" : "tap_townhall";
+        reveal(box, helpHtml("intro.navigation." + textId));
+        context.map().on("move.intro drawn.intro", function() {
+          var entity3 = context.hasEntity(hallId);
+          if (!entity3)
+            return;
+          var box2 = pointBox(entity3.loc, context);
+          reveal(box2, helpHtml("intro.navigation." + textId), { duration: 0 });
+        });
+        context.on("enter.intro", function() {
+          if (isTownHallSelected())
+            continueTo(selectedTownHall);
+        });
+      }, 550);
+      context.history().on("change.intro", function() {
+        if (!context.hasEntity(hallId)) {
+          continueTo(clickTownHall);
+        }
+      });
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function selectedTownHall() {
+      if (!isTownHallSelected())
+        return clickTownHall();
+      var entity = context.hasEntity(hallId);
+      if (!entity)
+        return clickTownHall();
+      var box = pointBox(entity.loc, context);
+      var onClick = function() {
+        continueTo(editorTownHall);
+      };
+      reveal(
+        box,
+        helpHtml("intro.navigation.selected_townhall"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      context.map().on("move.intro drawn.intro", function() {
+        var entity2 = context.hasEntity(hallId);
+        if (!entity2)
+          return;
+        var box2 = pointBox(entity2.loc, context);
+        reveal(
+          box2,
+          helpHtml("intro.navigation.selected_townhall"),
+          { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+        );
+      });
+      context.history().on("change.intro", function() {
+        if (!context.hasEntity(hallId)) {
+          continueTo(clickTownHall);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function editorTownHall() {
+      if (!isTownHallSelected())
+        return clickTownHall();
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      var onClick = function() {
+        continueTo(presetTownHall);
+      };
+      reveal(
+        ".entity-editor-pane",
+        helpHtml("intro.navigation.editor_townhall"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      context.on("exit.intro", function() {
+        continueTo(clickTownHall);
+      });
+      context.history().on("change.intro", function() {
+        if (!context.hasEntity(hallId)) {
+          continueTo(clickTownHall);
+        }
+      });
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        context.history().on("change.intro", null);
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        nextStep();
+      }
+    }
+    function presetTownHall() {
+      if (!isTownHallSelected())
+        return clickTownHall();
+      context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      var entity = context.entity(context.selectedIDs()[0]);
+      var preset = _mainPresetIndex.match(entity, context.graph());
+      var onClick = function() {
+        continueTo(fieldsTownHall);
+      };
+      reveal(
+        ".entity-editor-pane .section-feature-type",
+        helpHtml("intro.navigation.preset_townhall", { preset: preset.name() }),
+        { buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      context.on("exit.intro", function() {
+        continueTo(clickTownHall);
+      });
+      context.history().on("change.intro", function() {
+        if (!context.hasEntity(hallId)) {
+          continueTo(clickTownHall);
+        }
+      });
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        context.history().on("change.intro", null);
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        nextStep();
+      }
+    }
+    function fieldsTownHall() {
+      if (!isTownHallSelected())
+        return clickTownHall();
+      context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      var onClick = function() {
+        continueTo(closeTownHall);
+      };
+      reveal(
+        ".entity-editor-pane .section-preset-fields",
+        helpHtml("intro.navigation.fields_townhall"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      context.on("exit.intro", function() {
+        continueTo(clickTownHall);
+      });
+      context.history().on("change.intro", function() {
+        if (!context.hasEntity(hallId)) {
+          continueTo(clickTownHall);
+        }
+      });
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        context.history().on("change.intro", null);
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        nextStep();
+      }
+    }
+    function closeTownHall() {
+      if (!isTownHallSelected())
+        return clickTownHall();
+      var selector = ".entity-editor-pane button.close svg use";
+      var href = select_default2(selector).attr("href") || "#iD-icon-close";
+      reveal(
+        ".entity-editor-pane",
+        helpHtml("intro.navigation.close_townhall", { button: { html: icon(href, "inline") } })
+      );
+      context.on("exit.intro", function() {
+        continueTo(searchStreet);
+      });
+      context.history().on("change.intro", function() {
+        var selector2 = ".entity-editor-pane button.close svg use";
+        var href2 = select_default2(selector2).attr("href") || "#iD-icon-close";
+        reveal(
+          ".entity-editor-pane",
+          helpHtml("intro.navigation.close_townhall", { button: { html: icon(href2, "inline") } }),
+          { duration: 0 }
+        );
+      });
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function searchStreet() {
+      context.enter(modeBrowse(context));
+      context.history().reset("initial");
+      var msec = transitionTime(springStreet, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(springStreet, 19, msec);
+      timeout2(function() {
+        reveal(
+          ".search-header input",
+          helpHtml("intro.navigation.search_street", { name: _t("intro.graph.name.spring-street") })
+        );
+        context.container().select(".search-header input").on("keyup.intro", checkSearchResult);
+      }, msec + 100);
+    }
+    function checkSearchResult() {
+      var first = context.container().select(".feature-list-item:nth-child(0n+2)");
+      var firstName = first.select(".entity-name");
+      var name = _t("intro.graph.name.spring-street");
+      if (!firstName.empty() && firstName.html() === name) {
+        reveal(
+          first.node(),
+          helpHtml("intro.navigation.choose_street", { name }),
+          { duration: 300 }
+        );
+        context.on("exit.intro", function() {
+          continueTo(selectedStreet);
+        });
+        context.container().select(".search-header input").on("keydown.intro", eventCancel, true).on("keyup.intro", null);
+      }
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        context.container().select(".search-header input").on("keydown.intro", null).on("keyup.intro", null);
+        nextStep();
+      }
+    }
+    function selectedStreet() {
+      if (!context.hasEntity(springStreetEndId) || !context.hasEntity(springStreetId)) {
+        return searchStreet();
+      }
+      var onClick = function() {
+        continueTo(editorStreet);
+      };
+      var entity = context.entity(springStreetEndId);
+      var box = pointBox(entity.loc, context);
+      box.height = 500;
+      reveal(
+        box,
+        helpHtml("intro.navigation.selected_street", { name: _t("intro.graph.name.spring-street") }),
+        { duration: 600, buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      timeout2(function() {
+        context.map().on("move.intro drawn.intro", function() {
+          var entity2 = context.hasEntity(springStreetEndId);
+          if (!entity2)
+            return;
+          var box2 = pointBox(entity2.loc, context);
+          box2.height = 500;
+          reveal(
+            box2,
+            helpHtml("intro.navigation.selected_street", { name: _t("intro.graph.name.spring-street") }),
+            { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+          );
+        });
+      }, 600);
+      context.on("enter.intro", function(mode) {
+        if (!context.hasEntity(springStreetId)) {
+          return continueTo(searchStreet);
+        }
+        var ids = context.selectedIDs();
+        if (mode.id !== "select" || !ids.length || ids[0] !== springStreetId) {
+          context.enter(modeSelect(context, [springStreetId]));
+        }
+      });
+      context.history().on("change.intro", function() {
+        if (!context.hasEntity(springStreetEndId) || !context.hasEntity(springStreetId)) {
+          timeout2(function() {
+            continueTo(searchStreet);
+          }, 300);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function editorStreet() {
+      var selector = ".entity-editor-pane button.close svg use";
+      var href = select_default2(selector).attr("href") || "#iD-icon-close";
+      reveal(".entity-editor-pane", helpHtml("intro.navigation.street_different_fields") + "{br}" + helpHtml("intro.navigation.editor_street", {
+        button: { html: icon(href, "inline") },
+        field1: onewayField.title(),
+        field2: maxspeedField.title()
+      }));
+      context.on("exit.intro", function() {
+        continueTo(play);
+      });
+      context.history().on("change.intro", function() {
+        var selector2 = ".entity-editor-pane button.close svg use";
+        var href2 = select_default2(selector2).attr("href") || "#iD-icon-close";
+        reveal(
+          ".entity-editor-pane",
+          helpHtml("intro.navigation.street_different_fields") + "{br}" + helpHtml("intro.navigation.editor_street", {
+            button: { html: icon(href2, "inline") },
+            field1: onewayField.title(),
+            field2: maxspeedField.title()
+          }),
+          { duration: 0 }
+        );
+      });
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function play() {
+      dispatch10.call("done");
+      reveal(
+        ".ideditor",
+        helpHtml("intro.navigation.play", { next: _t("intro.points.title") }),
+        {
+          tooltipBox: ".intro-nav-wrap .chapter-point",
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            reveal(".ideditor");
+          }
+        }
+      );
+    }
+    chapter.enter = function() {
+      dragMap();
+    };
+    chapter.exit = function() {
+      timeouts.forEach(window.clearTimeout);
+      context.on("enter.intro exit.intro", null);
+      context.map().on("move.intro drawn.intro", null);
+      context.history().on("change.intro", null);
+      context.container().select(".inspector-wrap").on("wheel.intro", null);
+      context.container().select(".search-header input").on("keydown.intro keyup.intro", null);
+    };
+    chapter.restart = function() {
+      chapter.exit();
+      chapter.enter();
+    };
+    return utilRebind(chapter, dispatch10, "on");
+  }
+
+  // modules/ui/intro/point.js
+  function uiIntroPoint(context, reveal) {
+    var dispatch10 = dispatch_default("done");
+    var timeouts = [];
+    var intersection = [-85.63279, 41.94394];
+    var building = [-85.632422, 41.944045];
+    var cafePreset = _mainPresetIndex.item("amenity/cafe");
+    var _pointID = null;
+    var chapter = {
+      title: "intro.points.title"
+    };
+    function timeout2(f2, t) {
+      timeouts.push(window.setTimeout(f2, t));
+    }
+    function eventCancel(d3_event) {
+      d3_event.stopPropagation();
+      d3_event.preventDefault();
+    }
+    function addPoint() {
+      context.enter(modeBrowse(context));
+      context.history().reset("initial");
+      var msec = transitionTime(intersection, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(intersection, 19, msec);
+      timeout2(function() {
+        var tooltip = reveal(
+          "button.add-point",
+          helpHtml("intro.points.points_info") + "{br}" + helpHtml("intro.points.add_point")
+        );
+        _pointID = null;
+        tooltip.selectAll(".popover-inner").insert("svg", "span").attr("class", "tooltip-illustration").append("use").attr("xlink:href", "#iD-graphic-points");
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "add-point")
+            return;
+          continueTo(placePoint);
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function placePoint() {
+      if (context.mode().id !== "add-point") {
+        return chapter.restart();
+      }
+      var pointBox2 = pad(building, 150, context);
+      var textId = context.lastPointerType() === "mouse" ? "place_point" : "place_point_touch";
+      reveal(pointBox2, helpHtml("intro.points." + textId));
+      context.map().on("move.intro drawn.intro", function() {
+        pointBox2 = pad(building, 150, context);
+        reveal(pointBox2, helpHtml("intro.points." + textId), { duration: 0 });
+      });
+      context.on("enter.intro", function(mode) {
+        if (mode.id !== "select")
+          return chapter.restart();
+        _pointID = context.mode().selectedIDs()[0];
+        continueTo(searchPreset);
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function searchPreset() {
+      if (context.mode().id !== "select" || !_pointID || !context.hasEntity(_pointID)) {
+        return addPoint();
+      }
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      context.container().select(".preset-search-input").on("keydown.intro", null).on("keyup.intro", checkPresetSearch);
+      reveal(
+        ".preset-search-input",
+        helpHtml("intro.points.search_cafe", { preset: cafePreset.name() })
+      );
+      context.on("enter.intro", function(mode) {
+        if (!_pointID || !context.hasEntity(_pointID)) {
+          return continueTo(addPoint);
+        }
+        var ids = context.selectedIDs();
+        if (mode.id !== "select" || !ids.length || ids[0] !== _pointID) {
+          context.enter(modeSelect(context, [_pointID]));
+          context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+          context.container().select(".preset-search-input").on("keydown.intro", null).on("keyup.intro", checkPresetSearch);
+          reveal(
+            ".preset-search-input",
+            helpHtml("intro.points.search_cafe", { preset: cafePreset.name() })
+          );
+          context.history().on("change.intro", null);
+        }
+      });
+      function checkPresetSearch() {
+        var first = context.container().select(".preset-list-item:first-child");
+        if (first.classed("preset-amenity-cafe")) {
+          context.container().select(".preset-search-input").on("keydown.intro", eventCancel, true).on("keyup.intro", null);
+          reveal(
+            first.select(".preset-list-button").node(),
+            helpHtml("intro.points.choose_cafe", { preset: cafePreset.name() }),
+            { duration: 300 }
+          );
+          context.history().on("change.intro", function() {
+            continueTo(aboutFeatureEditor);
+          });
+        }
+      }
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        context.history().on("change.intro", null);
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        context.container().select(".preset-search-input").on("keydown.intro keyup.intro", null);
+        nextStep();
+      }
+    }
+    function aboutFeatureEditor() {
+      if (context.mode().id !== "select" || !_pointID || !context.hasEntity(_pointID)) {
+        return addPoint();
+      }
+      timeout2(function() {
+        reveal(".entity-editor-pane", helpHtml("intro.points.feature_editor"), {
+          tooltipClass: "intro-points-describe",
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            continueTo(addName);
+          }
+        });
+      }, 400);
+      context.on("exit.intro", function() {
+        continueTo(reselectPoint);
+      });
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function addName() {
+      if (context.mode().id !== "select" || !_pointID || !context.hasEntity(_pointID)) {
+        return addPoint();
+      }
+      context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+      var addNameString = helpHtml("intro.points.fields_info") + "{br}" + helpHtml("intro.points.add_name");
+      timeout2(function() {
+        var entity = context.entity(_pointID);
+        if (entity.tags.name) {
+          var tooltip = reveal(".entity-editor-pane", addNameString, {
+            tooltipClass: "intro-points-describe",
+            buttonText: _t.html("intro.ok"),
+            buttonCallback: function() {
+              continueTo(addCloseEditor);
+            }
+          });
+          tooltip.select(".instruction").style("display", "none");
+        } else {
+          reveal(
+            ".entity-editor-pane",
+            addNameString,
+            { tooltipClass: "intro-points-describe" }
+          );
+        }
+      }, 400);
+      context.history().on("change.intro", function() {
+        continueTo(addCloseEditor);
+      });
+      context.on("exit.intro", function() {
+        continueTo(reselectPoint);
+      });
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function addCloseEditor() {
+      context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+      var selector = ".entity-editor-pane button.close svg use";
+      var href = select_default2(selector).attr("href") || "#iD-icon-close";
+      context.on("exit.intro", function() {
+        continueTo(reselectPoint);
+      });
+      reveal(
+        ".entity-editor-pane",
+        helpHtml("intro.points.add_close", { button: { html: icon(href, "inline") } })
+      );
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function reselectPoint() {
+      if (!_pointID)
+        return chapter.restart();
+      var entity = context.hasEntity(_pointID);
+      if (!entity)
+        return chapter.restart();
+      var oldPreset = _mainPresetIndex.match(entity, context.graph());
+      context.replace(actionChangePreset(_pointID, oldPreset, cafePreset));
+      context.enter(modeBrowse(context));
+      var msec = transitionTime(entity.loc, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerEase(entity.loc, msec);
+      timeout2(function() {
+        var box = pointBox(entity.loc, context);
+        reveal(box, helpHtml("intro.points.reselect"), { duration: 600 });
+        timeout2(function() {
+          context.map().on("move.intro drawn.intro", function() {
+            var entity2 = context.hasEntity(_pointID);
+            if (!entity2)
+              return chapter.restart();
+            var box2 = pointBox(entity2.loc, context);
+            reveal(box2, helpHtml("intro.points.reselect"), { duration: 0 });
+          });
+        }, 600);
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "select")
+            return;
+          continueTo(updatePoint);
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function updatePoint() {
+      if (context.mode().id !== "select" || !_pointID || !context.hasEntity(_pointID)) {
+        return continueTo(reselectPoint);
+      }
+      context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+      context.on("exit.intro", function() {
+        continueTo(reselectPoint);
+      });
+      context.history().on("change.intro", function() {
+        continueTo(updateCloseEditor);
+      });
+      timeout2(function() {
+        reveal(
+          ".entity-editor-pane",
+          helpHtml("intro.points.update"),
+          { tooltipClass: "intro-points-describe" }
+        );
+      }, 400);
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function updateCloseEditor() {
+      if (context.mode().id !== "select" || !_pointID || !context.hasEntity(_pointID)) {
+        return continueTo(reselectPoint);
+      }
+      context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+      context.on("exit.intro", function() {
+        continueTo(rightClickPoint);
+      });
+      timeout2(function() {
+        reveal(
+          ".entity-editor-pane",
+          helpHtml("intro.points.update_close", { button: { html: icon("#iD-icon-close", "inline") } })
+        );
+      }, 500);
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function rightClickPoint() {
+      if (!_pointID)
+        return chapter.restart();
+      var entity = context.hasEntity(_pointID);
+      if (!entity)
+        return chapter.restart();
+      context.enter(modeBrowse(context));
+      var box = pointBox(entity.loc, context);
+      var textId = context.lastPointerType() === "mouse" ? "rightclick" : "edit_menu_touch";
+      reveal(box, helpHtml("intro.points." + textId), { duration: 600 });
+      timeout2(function() {
+        context.map().on("move.intro", function() {
+          var entity2 = context.hasEntity(_pointID);
+          if (!entity2)
+            return chapter.restart();
+          var box2 = pointBox(entity2.loc, context);
+          reveal(box2, helpHtml("intro.points." + textId), { duration: 0 });
+        });
+      }, 600);
+      context.on("enter.intro", function(mode) {
+        if (mode.id !== "select")
+          return;
+        var ids = context.selectedIDs();
+        if (ids.length !== 1 || ids[0] !== _pointID)
+          return;
+        timeout2(function() {
+          var node = selectMenuItem(context, "delete").node();
+          if (!node)
+            return;
+          continueTo(enterDelete);
+        }, 50);
+      });
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        context.map().on("move.intro", null);
+        nextStep();
+      }
+    }
+    function enterDelete() {
+      if (!_pointID)
+        return chapter.restart();
+      var entity = context.hasEntity(_pointID);
+      if (!entity)
+        return chapter.restart();
+      var node = selectMenuItem(context, "delete").node();
+      if (!node) {
+        return continueTo(rightClickPoint);
+      }
+      reveal(
+        ".edit-menu",
+        helpHtml("intro.points.delete"),
+        { padding: 50 }
+      );
+      timeout2(function() {
+        context.map().on("move.intro", function() {
+          reveal(
+            ".edit-menu",
+            helpHtml("intro.points.delete"),
+            { duration: 0, padding: 50 }
+          );
+        });
+      }, 300);
+      context.on("exit.intro", function() {
+        if (!_pointID)
+          return chapter.restart();
+        var entity2 = context.hasEntity(_pointID);
+        if (entity2)
+          return continueTo(rightClickPoint);
+      });
+      context.history().on("change.intro", function(changed) {
+        if (changed.deleted().length) {
+          continueTo(undo);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro", null);
+        context.history().on("change.intro", null);
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function undo() {
+      context.history().on("change.intro", function() {
+        continueTo(play);
+      });
+      reveal(
+        ".top-toolbar button.undo-button",
+        helpHtml("intro.points.undo")
+      );
+      function continueTo(nextStep) {
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function play() {
+      dispatch10.call("done");
+      reveal(
+        ".ideditor",
+        helpHtml("intro.points.play", { next: _t("intro.areas.title") }),
+        {
+          tooltipBox: ".intro-nav-wrap .chapter-area",
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            reveal(".ideditor");
+          }
+        }
+      );
+    }
+    chapter.enter = function() {
+      addPoint();
+    };
+    chapter.exit = function() {
+      timeouts.forEach(window.clearTimeout);
+      context.on("enter.intro exit.intro", null);
+      context.map().on("move.intro drawn.intro", null);
+      context.history().on("change.intro", null);
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      context.container().select(".preset-search-input").on("keydown.intro keyup.intro", null);
+    };
+    chapter.restart = function() {
+      chapter.exit();
+      chapter.enter();
+    };
+    return utilRebind(chapter, dispatch10, "on");
+  }
+
+  // modules/ui/intro/area.js
+  function uiIntroArea(context, reveal) {
+    var dispatch10 = dispatch_default("done");
+    var playground = [-85.63552, 41.94159];
+    var playgroundPreset = _mainPresetIndex.item("leisure/playground");
+    var nameField = _mainPresetIndex.field("name");
+    var descriptionField = _mainPresetIndex.field("description");
+    var timeouts = [];
+    var _areaID;
+    var chapter = {
+      title: "intro.areas.title"
+    };
+    function timeout2(f2, t) {
+      timeouts.push(window.setTimeout(f2, t));
+    }
+    function eventCancel(d3_event) {
+      d3_event.stopPropagation();
+      d3_event.preventDefault();
+    }
+    function revealPlayground(center, text2, options2) {
+      var padding = 180 * Math.pow(2, context.map().zoom() - 19.5);
+      var box = pad(center, padding, context);
+      reveal(box, text2, options2);
+    }
+    function addArea() {
+      context.enter(modeBrowse(context));
+      context.history().reset("initial");
+      _areaID = null;
+      var msec = transitionTime(playground, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(playground, 19, msec);
+      timeout2(function() {
+        var tooltip = reveal(
+          "button.add-area",
+          helpHtml("intro.areas.add_playground")
+        );
+        tooltip.selectAll(".popover-inner").insert("svg", "span").attr("class", "tooltip-illustration").append("use").attr("xlink:href", "#iD-graphic-areas");
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "add-area")
+            return;
+          continueTo(startPlayground);
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function startPlayground() {
+      if (context.mode().id !== "add-area") {
+        return chapter.restart();
+      }
+      _areaID = null;
+      context.map().zoomEase(19.5, 500);
+      timeout2(function() {
+        var textId = context.lastPointerType() === "mouse" ? "starting_node_click" : "starting_node_tap";
+        var startDrawString = helpHtml("intro.areas.start_playground") + helpHtml("intro.areas." + textId);
+        revealPlayground(
+          playground,
+          startDrawString,
+          { duration: 250 }
+        );
+        timeout2(function() {
+          context.map().on("move.intro drawn.intro", function() {
+            revealPlayground(
+              playground,
+              startDrawString,
+              { duration: 0 }
+            );
+          });
+          context.on("enter.intro", function(mode) {
+            if (mode.id !== "draw-area")
+              return chapter.restart();
+            continueTo(continuePlayground);
+          });
+        }, 250);
+      }, 550);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function continuePlayground() {
+      if (context.mode().id !== "draw-area") {
+        return chapter.restart();
+      }
+      _areaID = null;
+      revealPlayground(
+        playground,
+        helpHtml("intro.areas.continue_playground"),
+        { duration: 250 }
+      );
+      timeout2(function() {
+        context.map().on("move.intro drawn.intro", function() {
+          revealPlayground(
+            playground,
+            helpHtml("intro.areas.continue_playground"),
+            { duration: 0 }
+          );
+        });
+      }, 250);
+      context.on("enter.intro", function(mode) {
+        if (mode.id === "draw-area") {
+          var entity = context.hasEntity(context.selectedIDs()[0]);
+          if (entity && entity.nodes.length >= 6) {
+            return continueTo(finishPlayground);
+          } else {
+            return;
+          }
+        } else if (mode.id === "select") {
+          _areaID = context.selectedIDs()[0];
+          return continueTo(searchPresets);
+        } else {
+          return chapter.restart();
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function finishPlayground() {
+      if (context.mode().id !== "draw-area") {
+        return chapter.restart();
+      }
+      _areaID = null;
+      var finishString = helpHtml("intro.areas.finish_area_" + (context.lastPointerType() === "mouse" ? "click" : "tap")) + helpHtml("intro.areas.finish_playground");
+      revealPlayground(
+        playground,
+        finishString,
+        { duration: 250 }
+      );
+      timeout2(function() {
+        context.map().on("move.intro drawn.intro", function() {
+          revealPlayground(
+            playground,
+            finishString,
+            { duration: 0 }
+          );
+        });
+      }, 250);
+      context.on("enter.intro", function(mode) {
+        if (mode.id === "draw-area") {
+          return;
+        } else if (mode.id === "select") {
+          _areaID = context.selectedIDs()[0];
+          return continueTo(searchPresets);
+        } else {
+          return chapter.restart();
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function searchPresets() {
+      if (!_areaID || !context.hasEntity(_areaID)) {
+        return addArea();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _areaID) {
+        context.enter(modeSelect(context, [_areaID]));
+      }
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      timeout2(function() {
+        context.container().select(".inspector-wrap .panewrap").style("right", "-100%");
+        context.container().select(".preset-search-input").on("keydown.intro", null).on("keyup.intro", checkPresetSearch);
+        reveal(
+          ".preset-search-input",
+          helpHtml("intro.areas.search_playground", { preset: playgroundPreset.name() })
+        );
+      }, 400);
+      context.on("enter.intro", function(mode) {
+        if (!_areaID || !context.hasEntity(_areaID)) {
+          return continueTo(addArea);
+        }
+        var ids2 = context.selectedIDs();
+        if (mode.id !== "select" || !ids2.length || ids2[0] !== _areaID) {
+          context.enter(modeSelect(context, [_areaID]));
+          context.container().select(".inspector-wrap .panewrap").style("right", "-100%");
+          context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+          context.container().select(".preset-search-input").on("keydown.intro", null).on("keyup.intro", checkPresetSearch);
+          reveal(
+            ".preset-search-input",
+            helpHtml("intro.areas.search_playground", { preset: playgroundPreset.name() })
+          );
+          context.history().on("change.intro", null);
+        }
+      });
+      function checkPresetSearch() {
+        var first = context.container().select(".preset-list-item:first-child");
+        if (first.classed("preset-leisure-playground")) {
+          reveal(
+            first.select(".preset-list-button").node(),
+            helpHtml("intro.areas.choose_playground", { preset: playgroundPreset.name() }),
+            { duration: 300 }
+          );
+          context.container().select(".preset-search-input").on("keydown.intro", eventCancel, true).on("keyup.intro", null);
+          context.history().on("change.intro", function() {
+            continueTo(clickAddField);
+          });
+        }
+      }
+      function continueTo(nextStep) {
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        context.on("enter.intro", null);
+        context.history().on("change.intro", null);
+        context.container().select(".preset-search-input").on("keydown.intro keyup.intro", null);
+        nextStep();
+      }
+    }
+    function clickAddField() {
+      if (!_areaID || !context.hasEntity(_areaID)) {
+        return addArea();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _areaID) {
+        return searchPresets();
+      }
+      if (!context.container().select(".form-field-description").empty()) {
+        return continueTo(describePlayground);
+      }
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      timeout2(function() {
+        context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+        var entity = context.entity(_areaID);
+        if (entity.tags.description) {
+          return continueTo(play);
+        }
+        var box = context.container().select(".more-fields").node().getBoundingClientRect();
+        if (box.top > 300) {
+          var pane = context.container().select(".entity-editor-pane .inspector-body");
+          var start2 = pane.node().scrollTop;
+          var end = start2 + (box.top - 300);
+          pane.transition().duration(250).tween("scroll.inspector", function() {
+            var node = this;
+            var i2 = number_default(start2, end);
+            return function(t) {
+              node.scrollTop = i2(t);
+            };
+          });
+        }
+        timeout2(function() {
+          reveal(
+            ".more-fields .combobox-input",
+            helpHtml("intro.areas.add_field", {
+              name: nameField.title(),
+              description: descriptionField.title()
+            }),
+            { duration: 300 }
+          );
+          context.container().select(".more-fields .combobox-input").on("click.intro", function() {
+            var watcher;
+            watcher = window.setInterval(function() {
+              if (!context.container().select("div.combobox").empty()) {
+                window.clearInterval(watcher);
+                continueTo(chooseDescriptionField);
+              }
+            }, 300);
+          });
+        }, 300);
+      }, 400);
+      context.on("exit.intro", function() {
+        return continueTo(searchPresets);
+      });
+      function continueTo(nextStep) {
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        context.container().select(".more-fields .combobox-input").on("click.intro", null);
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function chooseDescriptionField() {
+      if (!_areaID || !context.hasEntity(_areaID)) {
+        return addArea();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _areaID) {
+        return searchPresets();
+      }
+      if (!context.container().select(".form-field-description").empty()) {
+        return continueTo(describePlayground);
+      }
+      if (context.container().select("div.combobox").empty()) {
+        return continueTo(clickAddField);
+      }
+      var watcher;
+      watcher = window.setInterval(function() {
+        if (context.container().select("div.combobox").empty()) {
+          window.clearInterval(watcher);
+          timeout2(function() {
+            if (context.container().select(".form-field-description").empty()) {
+              continueTo(retryChooseDescription);
+            } else {
+              continueTo(describePlayground);
+            }
+          }, 300);
+        }
+      }, 300);
+      reveal(
+        "div.combobox",
+        helpHtml("intro.areas.choose_field", { field: descriptionField.title() }),
+        { duration: 300 }
+      );
+      context.on("exit.intro", function() {
+        return continueTo(searchPresets);
+      });
+      function continueTo(nextStep) {
+        if (watcher)
+          window.clearInterval(watcher);
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function describePlayground() {
+      if (!_areaID || !context.hasEntity(_areaID)) {
+        return addArea();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _areaID) {
+        return searchPresets();
+      }
+      context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+      if (context.container().select(".form-field-description").empty()) {
+        return continueTo(retryChooseDescription);
+      }
+      context.on("exit.intro", function() {
+        continueTo(play);
+      });
+      reveal(
+        ".entity-editor-pane",
+        helpHtml("intro.areas.describe_playground", { button: { html: icon("#iD-icon-close", "inline") } }),
+        { duration: 300 }
+      );
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function retryChooseDescription() {
+      if (!_areaID || !context.hasEntity(_areaID)) {
+        return addArea();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _areaID) {
+        return searchPresets();
+      }
+      context.container().select(".inspector-wrap .panewrap").style("right", "0%");
+      reveal(
+        ".entity-editor-pane",
+        helpHtml("intro.areas.retry_add_field", { field: descriptionField.title() }),
+        {
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            continueTo(clickAddField);
+          }
+        }
+      );
+      context.on("exit.intro", function() {
+        return continueTo(searchPresets);
+      });
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function play() {
+      dispatch10.call("done");
+      reveal(
+        ".ideditor",
+        helpHtml("intro.areas.play", { next: _t("intro.lines.title") }),
+        {
+          tooltipBox: ".intro-nav-wrap .chapter-line",
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            reveal(".ideditor");
+          }
+        }
+      );
+    }
+    chapter.enter = function() {
+      addArea();
+    };
+    chapter.exit = function() {
+      timeouts.forEach(window.clearTimeout);
+      context.on("enter.intro exit.intro", null);
+      context.map().on("move.intro drawn.intro", null);
+      context.history().on("change.intro", null);
+      context.container().select(".inspector-wrap").on("wheel.intro", null);
+      context.container().select(".preset-search-input").on("keydown.intro keyup.intro", null);
+      context.container().select(".more-fields .combobox-input").on("click.intro", null);
+    };
+    chapter.restart = function() {
+      chapter.exit();
+      chapter.enter();
+    };
+    return utilRebind(chapter, dispatch10, "on");
+  }
+
+  // modules/ui/intro/line.js
+  function uiIntroLine(context, reveal) {
+    var dispatch10 = dispatch_default("done");
+    var timeouts = [];
+    var _tulipRoadID = null;
+    var flowerRoadID = "w646";
+    var tulipRoadStart = [-85.6297754121684, 41.95805253325314];
+    var tulipRoadMidpoint = [-85.62975395449628, 41.95787501510204];
+    var tulipRoadIntersection = [-85.62974496187628, 41.95742515554585];
+    var roadCategory = _mainPresetIndex.item("category-road_minor");
+    var residentialPreset = _mainPresetIndex.item("highway/residential");
+    var woodRoadID = "w525";
+    var woodRoadEndID = "n2862";
+    var woodRoadAddNode = [-85.62390110349587, 41.95397111462291];
+    var woodRoadDragEndpoint = [-85.623867390213, 41.95466987786487];
+    var woodRoadDragMidpoint = [-85.62386254803509, 41.95430395953872];
+    var washingtonStreetID = "w522";
+    var twelfthAvenueID = "w1";
+    var eleventhAvenueEndID = "n3550";
+    var twelfthAvenueEndID = "n5";
+    var _washingtonSegmentID = null;
+    var eleventhAvenueEnd = context.entity(eleventhAvenueEndID).loc;
+    var twelfthAvenueEnd = context.entity(twelfthAvenueEndID).loc;
+    var deleteLinesLoc = [-85.6219395542764, 41.95228033922477];
+    var twelfthAvenue = [-85.62219310052491, 41.952505413152956];
+    var chapter = {
+      title: "intro.lines.title"
+    };
+    function timeout2(f2, t) {
+      timeouts.push(window.setTimeout(f2, t));
+    }
+    function eventCancel(d3_event) {
+      d3_event.stopPropagation();
+      d3_event.preventDefault();
+    }
+    function addLine() {
+      context.enter(modeBrowse(context));
+      context.history().reset("initial");
+      var msec = transitionTime(tulipRoadStart, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(tulipRoadStart, 18.5, msec);
+      timeout2(function() {
+        var tooltip = reveal(
+          "button.add-line",
+          helpHtml("intro.lines.add_line")
+        );
+        tooltip.selectAll(".popover-inner").insert("svg", "span").attr("class", "tooltip-illustration").append("use").attr("xlink:href", "#iD-graphic-lines");
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "add-line")
+            return;
+          continueTo(startLine);
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function startLine() {
+      if (context.mode().id !== "add-line")
+        return chapter.restart();
+      _tulipRoadID = null;
+      var padding = 70 * Math.pow(2, context.map().zoom() - 18);
+      var box = pad(tulipRoadStart, padding, context);
+      box.height = box.height + 100;
+      var textId = context.lastPointerType() === "mouse" ? "start_line" : "start_line_tap";
+      var startLineString = helpHtml("intro.lines.missing_road") + "{br}" + helpHtml("intro.lines.line_draw_info") + helpHtml("intro.lines." + textId);
+      reveal(box, startLineString);
+      context.map().on("move.intro drawn.intro", function() {
+        padding = 70 * Math.pow(2, context.map().zoom() - 18);
+        box = pad(tulipRoadStart, padding, context);
+        box.height = box.height + 100;
+        reveal(box, startLineString, { duration: 0 });
+      });
+      context.on("enter.intro", function(mode) {
+        if (mode.id !== "draw-line")
+          return chapter.restart();
+        continueTo(drawLine);
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function drawLine() {
+      if (context.mode().id !== "draw-line")
+        return chapter.restart();
+      _tulipRoadID = context.mode().selectedIDs()[0];
+      context.map().centerEase(tulipRoadMidpoint, 500);
+      timeout2(function() {
+        var padding = 200 * Math.pow(2, context.map().zoom() - 18.5);
+        var box = pad(tulipRoadMidpoint, padding, context);
+        box.height = box.height * 2;
+        reveal(
+          box,
+          helpHtml("intro.lines.intersect", { name: _t("intro.graph.name.flower-street") })
+        );
+        context.map().on("move.intro drawn.intro", function() {
+          padding = 200 * Math.pow(2, context.map().zoom() - 18.5);
+          box = pad(tulipRoadMidpoint, padding, context);
+          box.height = box.height * 2;
+          reveal(
+            box,
+            helpHtml("intro.lines.intersect", { name: _t("intro.graph.name.flower-street") }),
+            { duration: 0 }
+          );
+        });
+      }, 550);
+      context.history().on("change.intro", function() {
+        if (isLineConnected()) {
+          continueTo(continueLine);
+        }
+      });
+      context.on("enter.intro", function(mode) {
+        if (mode.id === "draw-line") {
+          return;
+        } else if (mode.id === "select") {
+          continueTo(retryIntersect);
+          return;
+        } else {
+          return chapter.restart();
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function isLineConnected() {
+      var entity = _tulipRoadID && context.hasEntity(_tulipRoadID);
+      if (!entity)
+        return false;
+      var drawNodes = context.graph().childNodes(entity);
+      return drawNodes.some(function(node) {
+        return context.graph().parentWays(node).some(function(parent) {
+          return parent.id === flowerRoadID;
+        });
+      });
+    }
+    function retryIntersect() {
+      select_default2(window).on("pointerdown.intro mousedown.intro", eventCancel, true);
+      var box = pad(tulipRoadIntersection, 80, context);
+      reveal(
+        box,
+        helpHtml("intro.lines.retry_intersect", { name: _t("intro.graph.name.flower-street") })
+      );
+      timeout2(chapter.restart, 3e3);
+    }
+    function continueLine() {
+      if (context.mode().id !== "draw-line")
+        return chapter.restart();
+      var entity = _tulipRoadID && context.hasEntity(_tulipRoadID);
+      if (!entity)
+        return chapter.restart();
+      context.map().centerEase(tulipRoadIntersection, 500);
+      var continueLineText = helpHtml("intro.lines.continue_line") + "{br}" + helpHtml("intro.lines.finish_line_" + (context.lastPointerType() === "mouse" ? "click" : "tap")) + helpHtml("intro.lines.finish_road");
+      reveal(".surface", continueLineText);
+      context.on("enter.intro", function(mode) {
+        if (mode.id === "draw-line") {
+          return;
+        } else if (mode.id === "select") {
+          return continueTo(chooseCategoryRoad);
+        } else {
+          return chapter.restart();
+        }
+      });
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function chooseCategoryRoad() {
+      if (context.mode().id !== "select")
+        return chapter.restart();
+      context.on("exit.intro", function() {
+        return chapter.restart();
+      });
+      var button = context.container().select(".preset-category-road_minor .preset-list-button");
+      if (button.empty())
+        return chapter.restart();
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      timeout2(function() {
+        context.container().select(".inspector-wrap .panewrap").style("right", "-100%");
+        reveal(
+          button.node(),
+          helpHtml("intro.lines.choose_category_road", { category: roadCategory.name() })
+        );
+        button.on("click.intro", function() {
+          continueTo(choosePresetResidential);
+        });
+      }, 400);
+      function continueTo(nextStep) {
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        context.container().select(".preset-list-button").on("click.intro", null);
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function choosePresetResidential() {
+      if (context.mode().id !== "select")
+        return chapter.restart();
+      context.on("exit.intro", function() {
+        return chapter.restart();
+      });
+      var subgrid = context.container().select(".preset-category-road_minor .subgrid");
+      if (subgrid.empty())
+        return chapter.restart();
+      subgrid.selectAll(":not(.preset-highway-residential) .preset-list-button").on("click.intro", function() {
+        continueTo(retryPresetResidential);
+      });
+      subgrid.selectAll(".preset-highway-residential .preset-list-button").on("click.intro", function() {
+        continueTo(nameRoad);
+      });
+      timeout2(function() {
+        reveal(
+          subgrid.node(),
+          helpHtml("intro.lines.choose_preset_residential", { preset: residentialPreset.name() }),
+          { tooltipBox: ".preset-highway-residential .preset-list-button", duration: 300 }
+        );
+      }, 300);
+      function continueTo(nextStep) {
+        context.container().select(".preset-list-button").on("click.intro", null);
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function retryPresetResidential() {
+      if (context.mode().id !== "select")
+        return chapter.restart();
+      context.on("exit.intro", function() {
+        return chapter.restart();
+      });
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      timeout2(function() {
+        var button = context.container().select(".entity-editor-pane .preset-list-button");
+        reveal(
+          button.node(),
+          helpHtml("intro.lines.retry_preset_residential", { preset: residentialPreset.name() })
+        );
+        button.on("click.intro", function() {
+          continueTo(chooseCategoryRoad);
+        });
+      }, 500);
+      function continueTo(nextStep) {
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        context.container().select(".preset-list-button").on("click.intro", null);
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function nameRoad() {
+      context.on("exit.intro", function() {
+        continueTo(didNameRoad);
+      });
+      timeout2(function() {
+        reveal(
+          ".entity-editor-pane",
+          helpHtml("intro.lines.name_road", { button: { html: icon("#iD-icon-close", "inline") } }),
+          { tooltipClass: "intro-lines-name_road" }
+        );
+      }, 500);
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function didNameRoad() {
+      context.history().checkpoint("doneAddLine");
+      timeout2(function() {
+        reveal(".surface", helpHtml("intro.lines.did_name_road"), {
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            continueTo(updateLine);
+          }
+        });
+      }, 500);
+      function continueTo(nextStep) {
+        nextStep();
+      }
+    }
+    function updateLine() {
+      context.history().reset("doneAddLine");
+      if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+        return chapter.restart();
+      }
+      var msec = transitionTime(woodRoadDragMidpoint, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(woodRoadDragMidpoint, 19, msec);
+      timeout2(function() {
+        var padding = 250 * Math.pow(2, context.map().zoom() - 19);
+        var box = pad(woodRoadDragMidpoint, padding, context);
+        var advance = function() {
+          continueTo(addNode);
+        };
+        reveal(
+          box,
+          helpHtml("intro.lines.update_line"),
+          { buttonText: _t.html("intro.ok"), buttonCallback: advance }
+        );
+        context.map().on("move.intro drawn.intro", function() {
+          var padding2 = 250 * Math.pow(2, context.map().zoom() - 19);
+          var box2 = pad(woodRoadDragMidpoint, padding2, context);
+          reveal(
+            box2,
+            helpHtml("intro.lines.update_line"),
+            { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: advance }
+          );
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        nextStep();
+      }
+    }
+    function addNode() {
+      context.history().reset("doneAddLine");
+      if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+        return chapter.restart();
+      }
+      var padding = 40 * Math.pow(2, context.map().zoom() - 19);
+      var box = pad(woodRoadAddNode, padding, context);
+      var addNodeString = helpHtml("intro.lines.add_node" + (context.lastPointerType() === "mouse" ? "" : "_touch"));
+      reveal(box, addNodeString);
+      context.map().on("move.intro drawn.intro", function() {
+        var padding2 = 40 * Math.pow(2, context.map().zoom() - 19);
+        var box2 = pad(woodRoadAddNode, padding2, context);
+        reveal(box2, addNodeString, { duration: 0 });
+      });
+      context.history().on("change.intro", function(changed) {
+        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+          return continueTo(updateLine);
+        }
+        if (changed.created().length === 1) {
+          timeout2(function() {
+            continueTo(startDragEndpoint);
+          }, 500);
+        }
+      });
+      context.on("enter.intro", function(mode) {
+        if (mode.id !== "select") {
+          continueTo(updateLine);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function startDragEndpoint() {
+      if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+        return continueTo(updateLine);
+      }
+      var padding = 100 * Math.pow(2, context.map().zoom() - 19);
+      var box = pad(woodRoadDragEndpoint, padding, context);
+      var startDragString = helpHtml("intro.lines.start_drag_endpoint" + (context.lastPointerType() === "mouse" ? "" : "_touch")) + helpHtml("intro.lines.drag_to_intersection");
+      reveal(box, startDragString);
+      context.map().on("move.intro drawn.intro", function() {
+        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+          return continueTo(updateLine);
+        }
+        var padding2 = 100 * Math.pow(2, context.map().zoom() - 19);
+        var box2 = pad(woodRoadDragEndpoint, padding2, context);
+        reveal(box2, startDragString, { duration: 0 });
+        var entity = context.entity(woodRoadEndID);
+        if (geoSphericalDistance(entity.loc, woodRoadDragEndpoint) <= 4) {
+          continueTo(finishDragEndpoint);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        nextStep();
+      }
+    }
+    function finishDragEndpoint() {
+      if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+        return continueTo(updateLine);
+      }
+      var padding = 100 * Math.pow(2, context.map().zoom() - 19);
+      var box = pad(woodRoadDragEndpoint, padding, context);
+      var finishDragString = helpHtml("intro.lines.spot_looks_good") + helpHtml("intro.lines.finish_drag_endpoint" + (context.lastPointerType() === "mouse" ? "" : "_touch"));
+      reveal(box, finishDragString);
+      context.map().on("move.intro drawn.intro", function() {
+        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+          return continueTo(updateLine);
+        }
+        var padding2 = 100 * Math.pow(2, context.map().zoom() - 19);
+        var box2 = pad(woodRoadDragEndpoint, padding2, context);
+        reveal(box2, finishDragString, { duration: 0 });
+        var entity = context.entity(woodRoadEndID);
+        if (geoSphericalDistance(entity.loc, woodRoadDragEndpoint) > 4) {
+          continueTo(startDragEndpoint);
+        }
+      });
+      context.on("enter.intro", function() {
+        continueTo(startDragMidpoint);
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function startDragMidpoint() {
+      if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+        return continueTo(updateLine);
+      }
+      if (context.selectedIDs().indexOf(woodRoadID) === -1) {
+        context.enter(modeSelect(context, [woodRoadID]));
+      }
+      var padding = 80 * Math.pow(2, context.map().zoom() - 19);
+      var box = pad(woodRoadDragMidpoint, padding, context);
+      reveal(box, helpHtml("intro.lines.start_drag_midpoint"));
+      context.map().on("move.intro drawn.intro", function() {
+        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+          return continueTo(updateLine);
+        }
+        var padding2 = 80 * Math.pow(2, context.map().zoom() - 19);
+        var box2 = pad(woodRoadDragMidpoint, padding2, context);
+        reveal(box2, helpHtml("intro.lines.start_drag_midpoint"), { duration: 0 });
+      });
+      context.history().on("change.intro", function(changed) {
+        if (changed.created().length === 1) {
+          continueTo(continueDragMidpoint);
+        }
+      });
+      context.on("enter.intro", function(mode) {
+        if (mode.id !== "select") {
+          context.enter(modeSelect(context, [woodRoadID]));
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function continueDragMidpoint() {
+      if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+        return continueTo(updateLine);
+      }
+      var padding = 100 * Math.pow(2, context.map().zoom() - 19);
+      var box = pad(woodRoadDragEndpoint, padding, context);
+      box.height += 400;
+      var advance = function() {
+        context.history().checkpoint("doneUpdateLine");
+        continueTo(deleteLines);
+      };
+      reveal(
+        box,
+        helpHtml("intro.lines.continue_drag_midpoint"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: advance }
+      );
+      context.map().on("move.intro drawn.intro", function() {
+        if (!context.hasEntity(woodRoadID) || !context.hasEntity(woodRoadEndID)) {
+          return continueTo(updateLine);
+        }
+        var padding2 = 100 * Math.pow(2, context.map().zoom() - 19);
+        var box2 = pad(woodRoadDragEndpoint, padding2, context);
+        box2.height += 400;
+        reveal(
+          box2,
+          helpHtml("intro.lines.continue_drag_midpoint"),
+          { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: advance }
+        );
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        nextStep();
+      }
+    }
+    function deleteLines() {
+      context.history().reset("doneUpdateLine");
+      context.enter(modeBrowse(context));
+      if (!context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+        return chapter.restart();
+      }
+      var msec = transitionTime(deleteLinesLoc, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(deleteLinesLoc, 18, msec);
+      timeout2(function() {
+        var padding = 200 * Math.pow(2, context.map().zoom() - 18);
+        var box = pad(deleteLinesLoc, padding, context);
+        box.top -= 200;
+        box.height += 400;
+        var advance = function() {
+          continueTo(rightClickIntersection);
+        };
+        reveal(
+          box,
+          helpHtml("intro.lines.delete_lines", { street: _t("intro.graph.name.12th-avenue") }),
+          { buttonText: _t.html("intro.ok"), buttonCallback: advance }
+        );
+        context.map().on("move.intro drawn.intro", function() {
+          var padding2 = 200 * Math.pow(2, context.map().zoom() - 18);
+          var box2 = pad(deleteLinesLoc, padding2, context);
+          box2.top -= 200;
+          box2.height += 400;
+          reveal(
+            box2,
+            helpHtml("intro.lines.delete_lines", { street: _t("intro.graph.name.12th-avenue") }),
+            { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: advance }
+          );
+        });
+        context.history().on("change.intro", function() {
+          timeout2(function() {
+            continueTo(deleteLines);
+          }, 500);
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function rightClickIntersection() {
+      context.history().reset("doneUpdateLine");
+      context.enter(modeBrowse(context));
+      context.map().centerZoomEase(eleventhAvenueEnd, 18, 500);
+      var rightClickString = helpHtml("intro.lines.split_street", {
+        street1: _t("intro.graph.name.11th-avenue"),
+        street2: _t("intro.graph.name.washington-street")
+      }) + helpHtml("intro.lines." + (context.lastPointerType() === "mouse" ? "rightclick_intersection" : "edit_menu_intersection_touch"));
+      timeout2(function() {
+        var padding = 60 * Math.pow(2, context.map().zoom() - 18);
+        var box = pad(eleventhAvenueEnd, padding, context);
+        reveal(box, rightClickString);
+        context.map().on("move.intro drawn.intro", function() {
+          var padding2 = 60 * Math.pow(2, context.map().zoom() - 18);
+          var box2 = pad(eleventhAvenueEnd, padding2, context);
+          reveal(
+            box2,
+            rightClickString,
+            { duration: 0 }
+          );
+        });
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "select")
+            return;
+          var ids = context.selectedIDs();
+          if (ids.length !== 1 || ids[0] !== eleventhAvenueEndID)
+            return;
+          timeout2(function() {
+            var node = selectMenuItem(context, "split").node();
+            if (!node)
+              return;
+            continueTo(splitIntersection);
+          }, 50);
+        });
+        context.history().on("change.intro", function() {
+          timeout2(function() {
+            continueTo(deleteLines);
+          }, 300);
+        });
+      }, 600);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function splitIntersection() {
+      if (!context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+        return continueTo(deleteLines);
+      }
+      var node = selectMenuItem(context, "split").node();
+      if (!node) {
+        return continueTo(rightClickIntersection);
+      }
+      var wasChanged = false;
+      _washingtonSegmentID = null;
+      reveal(
+        ".edit-menu",
+        helpHtml(
+          "intro.lines.split_intersection",
+          { street: _t("intro.graph.name.washington-street") }
+        ),
+        { padding: 50 }
+      );
+      context.map().on("move.intro drawn.intro", function() {
+        var node2 = selectMenuItem(context, "split").node();
+        if (!wasChanged && !node2) {
+          return continueTo(rightClickIntersection);
+        }
+        reveal(
+          ".edit-menu",
+          helpHtml(
+            "intro.lines.split_intersection",
+            { street: _t("intro.graph.name.washington-street") }
+          ),
+          { duration: 0, padding: 50 }
+        );
+      });
+      context.history().on("change.intro", function(changed) {
+        wasChanged = true;
+        timeout2(function() {
+          if (context.history().undoAnnotation() === _t("operations.split.annotation.line", { n: 1 })) {
+            _washingtonSegmentID = changed.created()[0].id;
+            continueTo(didSplit);
+          } else {
+            _washingtonSegmentID = null;
+            continueTo(retrySplit);
+          }
+        }, 300);
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function retrySplit() {
+      context.enter(modeBrowse(context));
+      context.map().centerZoomEase(eleventhAvenueEnd, 18, 500);
+      var advance = function() {
+        continueTo(rightClickIntersection);
+      };
+      var padding = 60 * Math.pow(2, context.map().zoom() - 18);
+      var box = pad(eleventhAvenueEnd, padding, context);
+      reveal(
+        box,
+        helpHtml("intro.lines.retry_split"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: advance }
+      );
+      context.map().on("move.intro drawn.intro", function() {
+        var padding2 = 60 * Math.pow(2, context.map().zoom() - 18);
+        var box2 = pad(eleventhAvenueEnd, padding2, context);
+        reveal(
+          box2,
+          helpHtml("intro.lines.retry_split"),
+          { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: advance }
+        );
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        nextStep();
+      }
+    }
+    function didSplit() {
+      if (!_washingtonSegmentID || !context.hasEntity(_washingtonSegmentID) || !context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+        return continueTo(rightClickIntersection);
+      }
+      var ids = context.selectedIDs();
+      var string = "intro.lines.did_split_" + (ids.length > 1 ? "multi" : "single");
+      var street = _t("intro.graph.name.washington-street");
+      var padding = 200 * Math.pow(2, context.map().zoom() - 18);
+      var box = pad(twelfthAvenue, padding, context);
+      box.width = box.width / 2;
+      reveal(
+        box,
+        helpHtml(string, { street1: street, street2: street }),
+        { duration: 500 }
+      );
+      timeout2(function() {
+        context.map().centerZoomEase(twelfthAvenue, 18, 500);
+        context.map().on("move.intro drawn.intro", function() {
+          var padding2 = 200 * Math.pow(2, context.map().zoom() - 18);
+          var box2 = pad(twelfthAvenue, padding2, context);
+          box2.width = box2.width / 2;
+          reveal(
+            box2,
+            helpHtml(string, { street1: street, street2: street }),
+            { duration: 0 }
+          );
+        });
+      }, 600);
+      context.on("enter.intro", function() {
+        var ids2 = context.selectedIDs();
+        if (ids2.length === 1 && ids2[0] === _washingtonSegmentID) {
+          continueTo(multiSelect);
+        }
+      });
+      context.history().on("change.intro", function() {
+        if (!_washingtonSegmentID || !context.hasEntity(_washingtonSegmentID) || !context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+          return continueTo(rightClickIntersection);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function multiSelect() {
+      if (!_washingtonSegmentID || !context.hasEntity(_washingtonSegmentID) || !context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+        return continueTo(rightClickIntersection);
+      }
+      var ids = context.selectedIDs();
+      var hasWashington = ids.indexOf(_washingtonSegmentID) !== -1;
+      var hasTwelfth = ids.indexOf(twelfthAvenueID) !== -1;
+      if (hasWashington && hasTwelfth) {
+        return continueTo(multiRightClick);
+      } else if (!hasWashington && !hasTwelfth) {
+        return continueTo(didSplit);
+      }
+      context.map().centerZoomEase(twelfthAvenue, 18, 500);
+      timeout2(function() {
+        var selected, other, padding, box;
+        if (hasWashington) {
+          selected = _t("intro.graph.name.washington-street");
+          other = _t("intro.graph.name.12th-avenue");
+          padding = 60 * Math.pow(2, context.map().zoom() - 18);
+          box = pad(twelfthAvenueEnd, padding, context);
+          box.width *= 3;
+        } else {
+          selected = _t("intro.graph.name.12th-avenue");
+          other = _t("intro.graph.name.washington-street");
+          padding = 200 * Math.pow(2, context.map().zoom() - 18);
+          box = pad(twelfthAvenue, padding, context);
+          box.width /= 2;
+        }
+        reveal(
+          box,
+          helpHtml(
+            "intro.lines.multi_select",
+            { selected, other1: other }
+          ) + " " + helpHtml(
+            "intro.lines.add_to_selection_" + (context.lastPointerType() === "mouse" ? "click" : "touch"),
+            { selected, other2: other }
+          )
+        );
+        context.map().on("move.intro drawn.intro", function() {
+          if (hasWashington) {
+            selected = _t("intro.graph.name.washington-street");
+            other = _t("intro.graph.name.12th-avenue");
+            padding = 60 * Math.pow(2, context.map().zoom() - 18);
+            box = pad(twelfthAvenueEnd, padding, context);
+            box.width *= 3;
+          } else {
+            selected = _t("intro.graph.name.12th-avenue");
+            other = _t("intro.graph.name.washington-street");
+            padding = 200 * Math.pow(2, context.map().zoom() - 18);
+            box = pad(twelfthAvenue, padding, context);
+            box.width /= 2;
+          }
+          reveal(
+            box,
+            helpHtml(
+              "intro.lines.multi_select",
+              { selected, other1: other }
+            ) + " " + helpHtml(
+              "intro.lines.add_to_selection_" + (context.lastPointerType() === "mouse" ? "click" : "touch"),
+              { selected, other2: other }
+            ),
+            { duration: 0 }
+          );
+        });
+        context.on("enter.intro", function() {
+          continueTo(multiSelect);
+        });
+        context.history().on("change.intro", function() {
+          if (!_washingtonSegmentID || !context.hasEntity(_washingtonSegmentID) || !context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+            return continueTo(rightClickIntersection);
+          }
+        });
+      }, 600);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function multiRightClick() {
+      if (!_washingtonSegmentID || !context.hasEntity(_washingtonSegmentID) || !context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+        return continueTo(rightClickIntersection);
+      }
+      var padding = 200 * Math.pow(2, context.map().zoom() - 18);
+      var box = pad(twelfthAvenue, padding, context);
+      var rightClickString = helpHtml("intro.lines.multi_select_success") + helpHtml("intro.lines.multi_" + (context.lastPointerType() === "mouse" ? "rightclick" : "edit_menu_touch"));
+      reveal(box, rightClickString);
+      context.map().on("move.intro drawn.intro", function() {
+        var padding2 = 200 * Math.pow(2, context.map().zoom() - 18);
+        var box2 = pad(twelfthAvenue, padding2, context);
+        reveal(box2, rightClickString, { duration: 0 });
+      });
+      context.ui().editMenu().on("toggled.intro", function(open) {
+        if (!open)
+          return;
+        timeout2(function() {
+          var ids = context.selectedIDs();
+          if (ids.length === 2 && ids.indexOf(twelfthAvenueID) !== -1 && ids.indexOf(_washingtonSegmentID) !== -1) {
+            var node = selectMenuItem(context, "delete").node();
+            if (!node)
+              return;
+            continueTo(multiDelete);
+          } else if (ids.length === 1 && ids.indexOf(_washingtonSegmentID) !== -1) {
+            return continueTo(multiSelect);
+          } else {
+            return continueTo(didSplit);
+          }
+        }, 300);
+      });
+      context.history().on("change.intro", function() {
+        if (!_washingtonSegmentID || !context.hasEntity(_washingtonSegmentID) || !context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+          return continueTo(rightClickIntersection);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.ui().editMenu().on("toggled.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function multiDelete() {
+      if (!_washingtonSegmentID || !context.hasEntity(_washingtonSegmentID) || !context.hasEntity(washingtonStreetID) || !context.hasEntity(twelfthAvenueID) || !context.hasEntity(eleventhAvenueEndID)) {
+        return continueTo(rightClickIntersection);
+      }
+      var node = selectMenuItem(context, "delete").node();
+      if (!node)
+        return continueTo(multiRightClick);
+      reveal(
+        ".edit-menu",
+        helpHtml("intro.lines.multi_delete"),
+        { padding: 50 }
+      );
+      context.map().on("move.intro drawn.intro", function() {
+        reveal(
+          ".edit-menu",
+          helpHtml("intro.lines.multi_delete"),
+          { duration: 0, padding: 50 }
+        );
+      });
+      context.on("exit.intro", function() {
+        if (context.hasEntity(_washingtonSegmentID) || context.hasEntity(twelfthAvenueID)) {
+          return continueTo(multiSelect);
+        }
+      });
+      context.history().on("change.intro", function() {
+        if (context.hasEntity(_washingtonSegmentID) || context.hasEntity(twelfthAvenueID)) {
+          continueTo(retryDelete);
+        } else {
+          continueTo(play);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("exit.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function retryDelete() {
+      context.enter(modeBrowse(context));
+      var padding = 200 * Math.pow(2, context.map().zoom() - 18);
+      var box = pad(twelfthAvenue, padding, context);
+      reveal(box, helpHtml("intro.lines.retry_delete"), {
+        buttonText: _t.html("intro.ok"),
+        buttonCallback: function() {
+          continueTo(multiSelect);
+        }
+      });
+      function continueTo(nextStep) {
+        nextStep();
+      }
+    }
+    function play() {
+      dispatch10.call("done");
+      reveal(
+        ".ideditor",
+        helpHtml("intro.lines.play", { next: _t("intro.buildings.title") }),
+        {
+          tooltipBox: ".intro-nav-wrap .chapter-building",
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            reveal(".ideditor");
+          }
+        }
+      );
+    }
+    chapter.enter = function() {
+      addLine();
+    };
+    chapter.exit = function() {
+      timeouts.forEach(window.clearTimeout);
+      select_default2(window).on("pointerdown.intro mousedown.intro", null, true);
+      context.on("enter.intro exit.intro", null);
+      context.map().on("move.intro drawn.intro", null);
+      context.history().on("change.intro", null);
+      context.container().select(".inspector-wrap").on("wheel.intro", null);
+      context.container().select(".preset-list-button").on("click.intro", null);
+    };
+    chapter.restart = function() {
+      chapter.exit();
+      chapter.enter();
+    };
+    return utilRebind(chapter, dispatch10, "on");
+  }
+
+  // modules/ui/intro/building.js
+  function uiIntroBuilding(context, reveal) {
+    var dispatch10 = dispatch_default("done");
+    var house = [-85.62815, 41.95638];
+    var tank = [-85.62732, 41.95347];
+    var buildingCatetory = _mainPresetIndex.item("category-building");
+    var housePreset = _mainPresetIndex.item("building/house");
+    var tankPreset = _mainPresetIndex.item("man_made/storage_tank");
+    var timeouts = [];
+    var _houseID = null;
+    var _tankID = null;
+    var chapter = {
+      title: "intro.buildings.title"
+    };
+    function timeout2(f2, t) {
+      timeouts.push(window.setTimeout(f2, t));
+    }
+    function eventCancel(d3_event) {
+      d3_event.stopPropagation();
+      d3_event.preventDefault();
+    }
+    function revealHouse(center, text2, options2) {
+      var padding = 160 * Math.pow(2, context.map().zoom() - 20);
+      var box = pad(center, padding, context);
+      reveal(box, text2, options2);
+    }
+    function revealTank(center, text2, options2) {
+      var padding = 190 * Math.pow(2, context.map().zoom() - 19.5);
+      var box = pad(center, padding, context);
+      reveal(box, text2, options2);
+    }
+    function addHouse() {
+      context.enter(modeBrowse(context));
+      context.history().reset("initial");
+      _houseID = null;
+      var msec = transitionTime(house, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(house, 19, msec);
+      timeout2(function() {
+        var tooltip = reveal(
+          "button.add-area",
+          helpHtml("intro.buildings.add_building")
+        );
+        tooltip.selectAll(".popover-inner").insert("svg", "span").attr("class", "tooltip-illustration").append("use").attr("xlink:href", "#iD-graphic-buildings");
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "add-area")
+            return;
+          continueTo(startHouse);
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function startHouse() {
+      if (context.mode().id !== "add-area") {
+        return continueTo(addHouse);
+      }
+      _houseID = null;
+      context.map().zoomEase(20, 500);
+      timeout2(function() {
+        var startString = helpHtml("intro.buildings.start_building") + helpHtml("intro.buildings.building_corner_" + (context.lastPointerType() === "mouse" ? "click" : "tap"));
+        revealHouse(house, startString);
+        context.map().on("move.intro drawn.intro", function() {
+          revealHouse(house, startString, { duration: 0 });
+        });
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "draw-area")
+            return chapter.restart();
+          continueTo(continueHouse);
+        });
+      }, 550);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function continueHouse() {
+      if (context.mode().id !== "draw-area") {
+        return continueTo(addHouse);
+      }
+      _houseID = null;
+      var continueString = helpHtml("intro.buildings.continue_building") + "{br}" + helpHtml("intro.areas.finish_area_" + (context.lastPointerType() === "mouse" ? "click" : "tap")) + helpHtml("intro.buildings.finish_building");
+      revealHouse(house, continueString);
+      context.map().on("move.intro drawn.intro", function() {
+        revealHouse(house, continueString, { duration: 0 });
+      });
+      context.on("enter.intro", function(mode) {
+        if (mode.id === "draw-area") {
+          return;
+        } else if (mode.id === "select") {
+          var graph = context.graph();
+          var way = context.entity(context.selectedIDs()[0]);
+          var nodes = graph.childNodes(way);
+          var points = utilArrayUniq(nodes).map(function(n2) {
+            return context.projection(n2.loc);
+          });
+          if (isMostlySquare(points)) {
+            _houseID = way.id;
+            return continueTo(chooseCategoryBuilding);
+          } else {
+            return continueTo(retryHouse);
+          }
+        } else {
+          return chapter.restart();
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function retryHouse() {
+      var onClick = function() {
+        continueTo(addHouse);
+      };
+      revealHouse(
+        house,
+        helpHtml("intro.buildings.retry_building"),
+        { buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+      );
+      context.map().on("move.intro drawn.intro", function() {
+        revealHouse(
+          house,
+          helpHtml("intro.buildings.retry_building"),
+          { duration: 0, buttonText: _t.html("intro.ok"), buttonCallback: onClick }
+        );
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        nextStep();
+      }
+    }
+    function chooseCategoryBuilding() {
+      if (!_houseID || !context.hasEntity(_houseID)) {
+        return addHouse();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _houseID) {
+        context.enter(modeSelect(context, [_houseID]));
+      }
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      timeout2(function() {
+        context.container().select(".inspector-wrap .panewrap").style("right", "-100%");
+        var button = context.container().select(".preset-category-building .preset-list-button");
+        reveal(
+          button.node(),
+          helpHtml("intro.buildings.choose_category_building", { category: buildingCatetory.name() })
+        );
+        button.on("click.intro", function() {
+          button.on("click.intro", null);
+          continueTo(choosePresetHouse);
+        });
+      }, 400);
+      context.on("enter.intro", function(mode) {
+        if (!_houseID || !context.hasEntity(_houseID)) {
+          return continueTo(addHouse);
+        }
+        var ids2 = context.selectedIDs();
+        if (mode.id !== "select" || !ids2.length || ids2[0] !== _houseID) {
+          return continueTo(chooseCategoryBuilding);
+        }
+      });
+      function continueTo(nextStep) {
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        context.container().select(".preset-list-button").on("click.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function choosePresetHouse() {
+      if (!_houseID || !context.hasEntity(_houseID)) {
+        return addHouse();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _houseID) {
+        context.enter(modeSelect(context, [_houseID]));
+      }
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      timeout2(function() {
+        context.container().select(".inspector-wrap .panewrap").style("right", "-100%");
+        var button = context.container().select(".preset-building-house .preset-list-button");
+        reveal(
+          button.node(),
+          helpHtml("intro.buildings.choose_preset_house", { preset: housePreset.name() }),
+          { duration: 300 }
+        );
+        button.on("click.intro", function() {
+          button.on("click.intro", null);
+          continueTo(closeEditorHouse);
+        });
+      }, 400);
+      context.on("enter.intro", function(mode) {
+        if (!_houseID || !context.hasEntity(_houseID)) {
+          return continueTo(addHouse);
+        }
+        var ids2 = context.selectedIDs();
+        if (mode.id !== "select" || !ids2.length || ids2[0] !== _houseID) {
+          return continueTo(chooseCategoryBuilding);
+        }
+      });
+      function continueTo(nextStep) {
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        context.container().select(".preset-list-button").on("click.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function closeEditorHouse() {
+      if (!_houseID || !context.hasEntity(_houseID)) {
+        return addHouse();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _houseID) {
+        context.enter(modeSelect(context, [_houseID]));
+      }
+      context.history().checkpoint("hasHouse");
+      context.on("exit.intro", function() {
+        continueTo(rightClickHouse);
+      });
+      timeout2(function() {
+        reveal(
+          ".entity-editor-pane",
+          helpHtml("intro.buildings.close", { button: { html: icon("#iD-icon-close", "inline") } })
+        );
+      }, 500);
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function rightClickHouse() {
+      if (!_houseID)
+        return chapter.restart();
+      context.enter(modeBrowse(context));
+      context.history().reset("hasHouse");
+      var zoom = context.map().zoom();
+      if (zoom < 20) {
+        zoom = 20;
+      }
+      context.map().centerZoomEase(house, zoom, 500);
+      context.on("enter.intro", function(mode) {
+        if (mode.id !== "select")
+          return;
+        var ids = context.selectedIDs();
+        if (ids.length !== 1 || ids[0] !== _houseID)
+          return;
+        timeout2(function() {
+          var node = selectMenuItem(context, "orthogonalize").node();
+          if (!node)
+            return;
+          continueTo(clickSquare);
+        }, 50);
+      });
+      context.map().on("move.intro drawn.intro", function() {
+        var rightclickString = helpHtml("intro.buildings." + (context.lastPointerType() === "mouse" ? "rightclick_building" : "edit_menu_building_touch"));
+        revealHouse(house, rightclickString, { duration: 0 });
+      });
+      context.history().on("change.intro", function() {
+        continueTo(rightClickHouse);
+      });
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function clickSquare() {
+      if (!_houseID)
+        return chapter.restart();
+      var entity = context.hasEntity(_houseID);
+      if (!entity)
+        return continueTo(rightClickHouse);
+      var node = selectMenuItem(context, "orthogonalize").node();
+      if (!node) {
+        return continueTo(rightClickHouse);
+      }
+      var wasChanged = false;
+      reveal(
+        ".edit-menu",
+        helpHtml("intro.buildings.square_building"),
+        { padding: 50 }
+      );
+      context.on("enter.intro", function(mode) {
+        if (mode.id === "browse") {
+          continueTo(rightClickHouse);
+        } else if (mode.id === "move" || mode.id === "rotate") {
+          continueTo(retryClickSquare);
+        }
+      });
+      context.map().on("move.intro", function() {
+        var node2 = selectMenuItem(context, "orthogonalize").node();
+        if (!wasChanged && !node2) {
+          return continueTo(rightClickHouse);
+        }
+        reveal(
+          ".edit-menu",
+          helpHtml("intro.buildings.square_building"),
+          { duration: 0, padding: 50 }
+        );
+      });
+      context.history().on("change.intro", function() {
+        wasChanged = true;
+        context.history().on("change.intro", null);
+        timeout2(function() {
+          if (context.history().undoAnnotation() === _t("operations.orthogonalize.annotation.feature", { n: 1 })) {
+            continueTo(doneSquare);
+          } else {
+            continueTo(retryClickSquare);
+          }
+        }, 500);
+      });
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        context.map().on("move.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function retryClickSquare() {
+      context.enter(modeBrowse(context));
+      revealHouse(house, helpHtml("intro.buildings.retry_square"), {
+        buttonText: _t.html("intro.ok"),
+        buttonCallback: function() {
+          continueTo(rightClickHouse);
+        }
+      });
+      function continueTo(nextStep) {
+        nextStep();
+      }
+    }
+    function doneSquare() {
+      context.history().checkpoint("doneSquare");
+      revealHouse(house, helpHtml("intro.buildings.done_square"), {
+        buttonText: _t.html("intro.ok"),
+        buttonCallback: function() {
+          continueTo(addTank);
+        }
+      });
+      function continueTo(nextStep) {
+        nextStep();
+      }
+    }
+    function addTank() {
+      context.enter(modeBrowse(context));
+      context.history().reset("doneSquare");
+      _tankID = null;
+      var msec = transitionTime(tank, context.map().center());
+      if (msec) {
+        reveal(null, null, { duration: 0 });
+      }
+      context.map().centerZoomEase(tank, 19.5, msec);
+      timeout2(function() {
+        reveal(
+          "button.add-area",
+          helpHtml("intro.buildings.add_tank")
+        );
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "add-area")
+            return;
+          continueTo(startTank);
+        });
+      }, msec + 100);
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function startTank() {
+      if (context.mode().id !== "add-area") {
+        return continueTo(addTank);
+      }
+      _tankID = null;
+      timeout2(function() {
+        var startString = helpHtml("intro.buildings.start_tank") + helpHtml("intro.buildings.tank_edge_" + (context.lastPointerType() === "mouse" ? "click" : "tap"));
+        revealTank(tank, startString);
+        context.map().on("move.intro drawn.intro", function() {
+          revealTank(tank, startString, { duration: 0 });
+        });
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "draw-area")
+            return chapter.restart();
+          continueTo(continueTank);
+        });
+      }, 550);
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function continueTank() {
+      if (context.mode().id !== "draw-area") {
+        return continueTo(addTank);
+      }
+      _tankID = null;
+      var continueString = helpHtml("intro.buildings.continue_tank") + "{br}" + helpHtml("intro.areas.finish_area_" + (context.lastPointerType() === "mouse" ? "click" : "tap")) + helpHtml("intro.buildings.finish_tank");
+      revealTank(tank, continueString);
+      context.map().on("move.intro drawn.intro", function() {
+        revealTank(tank, continueString, { duration: 0 });
+      });
+      context.on("enter.intro", function(mode) {
+        if (mode.id === "draw-area") {
+          return;
+        } else if (mode.id === "select") {
+          _tankID = context.selectedIDs()[0];
+          return continueTo(searchPresetTank);
+        } else {
+          return continueTo(addTank);
+        }
+      });
+      function continueTo(nextStep) {
+        context.map().on("move.intro drawn.intro", null);
+        context.on("enter.intro", null);
+        nextStep();
+      }
+    }
+    function searchPresetTank() {
+      if (!_tankID || !context.hasEntity(_tankID)) {
+        return addTank();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _tankID) {
+        context.enter(modeSelect(context, [_tankID]));
+      }
+      context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+      timeout2(function() {
+        context.container().select(".inspector-wrap .panewrap").style("right", "-100%");
+        context.container().select(".preset-search-input").on("keydown.intro", null).on("keyup.intro", checkPresetSearch);
+        reveal(
+          ".preset-search-input",
+          helpHtml("intro.buildings.search_tank", { preset: tankPreset.name() })
+        );
+      }, 400);
+      context.on("enter.intro", function(mode) {
+        if (!_tankID || !context.hasEntity(_tankID)) {
+          return continueTo(addTank);
+        }
+        var ids2 = context.selectedIDs();
+        if (mode.id !== "select" || !ids2.length || ids2[0] !== _tankID) {
+          context.enter(modeSelect(context, [_tankID]));
+          context.container().select(".inspector-wrap .panewrap").style("right", "-100%");
+          context.container().select(".inspector-wrap").on("wheel.intro", eventCancel);
+          context.container().select(".preset-search-input").on("keydown.intro", null).on("keyup.intro", checkPresetSearch);
+          reveal(
+            ".preset-search-input",
+            helpHtml("intro.buildings.search_tank", { preset: tankPreset.name() })
+          );
+          context.history().on("change.intro", null);
+        }
+      });
+      function checkPresetSearch() {
+        var first = context.container().select(".preset-list-item:first-child");
+        if (first.classed("preset-man_made-storage_tank")) {
+          reveal(
+            first.select(".preset-list-button").node(),
+            helpHtml("intro.buildings.choose_tank", { preset: tankPreset.name() }),
+            { duration: 300 }
+          );
+          context.container().select(".preset-search-input").on("keydown.intro", eventCancel, true).on("keyup.intro", null);
+          context.history().on("change.intro", function() {
+            continueTo(closeEditorTank);
+          });
+        }
+      }
+      function continueTo(nextStep) {
+        context.container().select(".inspector-wrap").on("wheel.intro", null);
+        context.on("enter.intro", null);
+        context.history().on("change.intro", null);
+        context.container().select(".preset-search-input").on("keydown.intro keyup.intro", null);
+        nextStep();
+      }
+    }
+    function closeEditorTank() {
+      if (!_tankID || !context.hasEntity(_tankID)) {
+        return addTank();
+      }
+      var ids = context.selectedIDs();
+      if (context.mode().id !== "select" || !ids.length || ids[0] !== _tankID) {
+        context.enter(modeSelect(context, [_tankID]));
+      }
+      context.history().checkpoint("hasTank");
+      context.on("exit.intro", function() {
+        continueTo(rightClickTank);
+      });
+      timeout2(function() {
+        reveal(
+          ".entity-editor-pane",
+          helpHtml("intro.buildings.close", { button: { html: icon("#iD-icon-close", "inline") } })
+        );
+      }, 500);
+      function continueTo(nextStep) {
+        context.on("exit.intro", null);
+        nextStep();
+      }
+    }
+    function rightClickTank() {
+      if (!_tankID)
+        return continueTo(addTank);
+      context.enter(modeBrowse(context));
+      context.history().reset("hasTank");
+      context.map().centerEase(tank, 500);
+      timeout2(function() {
+        context.on("enter.intro", function(mode) {
+          if (mode.id !== "select")
+            return;
+          var ids = context.selectedIDs();
+          if (ids.length !== 1 || ids[0] !== _tankID)
+            return;
+          timeout2(function() {
+            var node = selectMenuItem(context, "circularize").node();
+            if (!node)
+              return;
+            continueTo(clickCircle);
+          }, 50);
+        });
+        var rightclickString = helpHtml("intro.buildings." + (context.lastPointerType() === "mouse" ? "rightclick_tank" : "edit_menu_tank_touch"));
+        revealTank(tank, rightclickString);
+        context.map().on("move.intro drawn.intro", function() {
+          revealTank(tank, rightclickString, { duration: 0 });
+        });
+        context.history().on("change.intro", function() {
+          continueTo(rightClickTank);
+        });
+      }, 600);
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        context.map().on("move.intro drawn.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function clickCircle() {
+      if (!_tankID)
+        return chapter.restart();
+      var entity = context.hasEntity(_tankID);
+      if (!entity)
+        return continueTo(rightClickTank);
+      var node = selectMenuItem(context, "circularize").node();
+      if (!node) {
+        return continueTo(rightClickTank);
+      }
+      var wasChanged = false;
+      reveal(
+        ".edit-menu",
+        helpHtml("intro.buildings.circle_tank"),
+        { padding: 50 }
+      );
+      context.on("enter.intro", function(mode) {
+        if (mode.id === "browse") {
+          continueTo(rightClickTank);
+        } else if (mode.id === "move" || mode.id === "rotate") {
+          continueTo(retryClickCircle);
+        }
+      });
+      context.map().on("move.intro", function() {
+        var node2 = selectMenuItem(context, "circularize").node();
+        if (!wasChanged && !node2) {
+          return continueTo(rightClickTank);
+        }
+        reveal(
+          ".edit-menu",
+          helpHtml("intro.buildings.circle_tank"),
+          { duration: 0, padding: 50 }
+        );
+      });
+      context.history().on("change.intro", function() {
+        wasChanged = true;
+        context.history().on("change.intro", null);
+        timeout2(function() {
+          if (context.history().undoAnnotation() === _t("operations.circularize.annotation.feature", { n: 1 })) {
+            continueTo(play);
+          } else {
+            continueTo(retryClickCircle);
+          }
+        }, 500);
+      });
+      function continueTo(nextStep) {
+        context.on("enter.intro", null);
+        context.map().on("move.intro", null);
+        context.history().on("change.intro", null);
+        nextStep();
+      }
+    }
+    function retryClickCircle() {
+      context.enter(modeBrowse(context));
+      revealTank(tank, helpHtml("intro.buildings.retry_circle"), {
+        buttonText: _t.html("intro.ok"),
+        buttonCallback: function() {
+          continueTo(rightClickTank);
+        }
+      });
+      function continueTo(nextStep) {
+        nextStep();
+      }
+    }
+    function play() {
+      dispatch10.call("done");
+      reveal(
+        ".ideditor",
+        helpHtml("intro.buildings.play", { next: _t("intro.startediting.title") }),
+        {
+          tooltipBox: ".intro-nav-wrap .chapter-startEditing",
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            reveal(".ideditor");
+          }
+        }
+      );
+    }
+    chapter.enter = function() {
+      addHouse();
+    };
+    chapter.exit = function() {
+      timeouts.forEach(window.clearTimeout);
+      context.on("enter.intro exit.intro", null);
+      context.map().on("move.intro drawn.intro", null);
+      context.history().on("change.intro", null);
+      context.container().select(".inspector-wrap").on("wheel.intro", null);
+      context.container().select(".preset-search-input").on("keydown.intro keyup.intro", null);
+      context.container().select(".more-fields .combobox-input").on("click.intro", null);
+    };
+    chapter.restart = function() {
+      chapter.exit();
+      chapter.enter();
+    };
+    return utilRebind(chapter, dispatch10, "on");
+  }
+
+  // modules/ui/intro/start_editing.js
+  function uiIntroStartEditing(context, reveal) {
+    var dispatch10 = dispatch_default("done", "startEditing");
+    var modalSelection = select_default2(null);
+    var chapter = {
+      title: "intro.startediting.title"
+    };
+    function showHelp() {
+      reveal(
+        ".map-control.help-control",
+        helpHtml("intro.startediting.help"),
+        {
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            shortcuts();
+          }
+        }
+      );
+    }
+    function shortcuts() {
+      reveal(
+        ".map-control.help-control",
+        helpHtml("intro.startediting.shortcuts"),
+        {
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            showSave();
+          }
+        }
+      );
+    }
+    function showSave() {
+      context.container().selectAll(".shaded").remove();
+      reveal(
+        ".top-toolbar button.save",
+        helpHtml("intro.startediting.save"),
+        {
+          buttonText: _t.html("intro.ok"),
+          buttonCallback: function() {
+            showStart();
+          }
+        }
+      );
+    }
+    function showStart() {
+      context.container().selectAll(".shaded").remove();
+      modalSelection = uiModal(context.container());
+      modalSelection.select(".modal").attr("class", "modal-splash modal");
+      modalSelection.selectAll(".close").remove();
+      var startbutton = modalSelection.select(".content").attr("class", "fillL").append("button").attr("class", "modal-section huge-modal-button").on("click", function() {
+        modalSelection.remove();
+      });
+      startbutton.append("svg").attr("class", "illustration").append("use").attr("xlink:href", "#iD-logo-walkthrough");
+      startbutton.append("h2").call(_t.append("intro.startediting.start"));
+      dispatch10.call("startEditing");
+    }
+    chapter.enter = function() {
+      showHelp();
+    };
+    chapter.exit = function() {
+      modalSelection.remove();
+      context.container().selectAll(".shaded").remove();
+    };
+    return utilRebind(chapter, dispatch10, "on");
+  }
+
+  // modules/ui/intro/intro.js
+  var chapterUi = {
+    welcome: uiIntroWelcome,
+    navigation: uiIntroNavigation,
+    point: uiIntroPoint,
+    area: uiIntroArea,
+    line: uiIntroLine,
+    building: uiIntroBuilding,
+    startEditing: uiIntroStartEditing
+  };
+  var chapterFlow = [
+    "welcome",
+    "navigation",
+    "point",
+    "area",
+    "line",
+    "building",
+    "startEditing"
+  ];
+  function uiIntro(context) {
+    const INTRO_IMAGERY = "EsriWorldImageryClarity";
+    let _introGraph = {};
+    let _currChapter;
+    function intro(selection2) {
+      _mainFileFetcher.get("intro_graph").then((dataIntroGraph) => {
+        for (let id2 in dataIntroGraph) {
+          if (!_introGraph[id2]) {
+            _introGraph[id2] = osmEntity(localize(dataIntroGraph[id2]));
+          }
+        }
+        selection2.call(startIntro);
+      }).catch(function() {
+      });
+    }
+    function startIntro(selection2) {
+      context.enter(modeBrowse(context));
+      let osm = context.connection();
+      let history = context.history().toJSON();
+      let hash = window.location.hash;
+      let center = context.map().center();
+      let zoom = context.map().zoom();
+      let background = context.background().baseLayerSource();
+      let overlays = context.background().overlayLayerSources();
+      let opacity = context.container().selectAll(".main-map .layer-background").style("opacity");
+      let caches = osm && osm.caches();
+      let baseEntities = context.history().graph().base().entities;
+      context.ui().sidebar.expand();
+      context.container().selectAll("button.sidebar-toggle").classed("disabled", true);
+      context.inIntro(true);
+      if (osm) {
+        osm.toggle(false).reset();
+      }
+      context.history().reset();
+      context.history().merge(Object.values(coreGraph().load(_introGraph).entities));
+      context.history().checkpoint("initial");
+      let imagery = context.background().findSource(INTRO_IMAGERY);
+      if (imagery) {
+        context.background().baseLayerSource(imagery);
+      } else {
+        context.background().bing();
+      }
+      overlays.forEach((d) => context.background().toggleOverlayLayer(d));
+      let layers = context.layers();
+      layers.all().forEach((item) => {
+        if (typeof item.layer.enabled === "function") {
+          item.layer.enabled(item.id === "osm");
+        }
+      });
+      context.container().selectAll(".main-map .layer-background").style("opacity", 1);
+      let curtain = uiCurtain(context.container().node());
+      selection2.call(curtain);
+      corePreferences("walkthrough_started", "yes");
+      let storedProgress = corePreferences("walkthrough_progress") || "";
+      let progress = storedProgress.split(";").filter(Boolean);
+      let chapters = chapterFlow.map((chapter, i2) => {
+        let s = chapterUi[chapter](context, curtain.reveal).on("done", () => {
+          buttons.filter((d) => d.title === s.title).classed("finished", true);
+          if (i2 < chapterFlow.length - 1) {
+            const next = chapterFlow[i2 + 1];
+            context.container().select(`button.chapter-${next}`).classed("next", true);
+          }
+          progress.push(chapter);
+          corePreferences("walkthrough_progress", utilArrayUniq(progress).join(";"));
+        });
+        return s;
+      });
+      chapters[chapters.length - 1].on("startEditing", () => {
+        progress.push("startEditing");
+        corePreferences("walkthrough_progress", utilArrayUniq(progress).join(";"));
+        let incomplete = utilArrayDifference(chapterFlow, progress);
+        if (!incomplete.length) {
+          corePreferences("walkthrough_completed", "yes");
+        }
+        curtain.remove();
+        navwrap.remove();
+        context.container().selectAll(".main-map .layer-background").style("opacity", opacity);
+        context.container().selectAll("button.sidebar-toggle").classed("disabled", false);
+        if (osm) {
+          osm.toggle(true).reset().caches(caches);
+        }
+        context.history().reset().merge(Object.values(baseEntities));
+        context.background().baseLayerSource(background);
+        overlays.forEach((d) => context.background().toggleOverlayLayer(d));
+        if (history) {
+          context.history().fromJSON(history, false);
+        }
+        context.map().centerZoom(center, zoom);
+        window.location.replace(hash);
+        context.inIntro(false);
+      });
+      let navwrap = selection2.append("div").attr("class", "intro-nav-wrap fillD");
+      navwrap.append("svg").attr("class", "intro-nav-wrap-logo").append("use").attr("xlink:href", "#iD-logo-walkthrough");
+      let buttonwrap = navwrap.append("div").attr("class", "joined").selectAll("button.chapter");
+      let buttons = buttonwrap.data(chapters).enter().append("button").attr("class", (d, i2) => `chapter chapter-${chapterFlow[i2]}`).on("click", enterChapter);
+      buttons.append("span").html((d) => _t.html(d.title));
+      buttons.append("span").attr("class", "status").call(svgIcon(_mainLocalizer.textDirection() === "rtl" ? "#iD-icon-backward" : "#iD-icon-forward", "inline"));
+      enterChapter(null, chapters[0]);
+      function enterChapter(d3_event, newChapter) {
+        if (_currChapter) {
+          _currChapter.exit();
+        }
+        context.enter(modeBrowse(context));
+        _currChapter = newChapter;
+        _currChapter.enter();
+        buttons.classed("next", false).classed("active", (d) => d.title === _currChapter.title);
+      }
+    }
+    return intro;
+  }
+
+  // modules/ui/issues_info.js
+  function uiIssuesInfo(context) {
+    var warningsItem = {
+      id: "warnings",
+      count: 0,
+      iconID: "iD-icon-alert",
+      descriptionID: "issues.warnings_and_errors"
+    };
+    var resolvedItem = {
+      id: "resolved",
+      count: 0,
+      iconID: "iD-icon-apply",
+      descriptionID: "issues.user_resolved_issues"
+    };
+    function update(selection2) {
+      var shownItems = [];
+      var liveIssues = context.validator().getIssues({
+        what: corePreferences("validate-what") || "edited",
+        where: corePreferences("validate-where") || "all"
+      });
+      if (liveIssues.length) {
+        warningsItem.count = liveIssues.length;
+        shownItems.push(warningsItem);
+      }
+      if (corePreferences("validate-what") === "all") {
+        var resolvedIssues = context.validator().getResolvedIssues();
+        if (resolvedIssues.length) {
+          resolvedItem.count = resolvedIssues.length;
+          shownItems.push(resolvedItem);
+        }
+      }
+      var chips = selection2.selectAll(".chip").data(shownItems, function(d) {
+        return d.id;
+      });
+      chips.exit().remove();
+      var enter = chips.enter().append("a").attr("class", function(d) {
+        return "chip " + d.id + "-count";
+      }).attr("href", "#").each(function(d) {
+        var chipSelection = select_default2(this);
+        var tooltipBehavior = uiTooltip().placement("top").title(() => _t.append(d.descriptionID));
+        chipSelection.call(tooltipBehavior).on("click", function(d3_event) {
+          d3_event.preventDefault();
+          tooltipBehavior.hide(select_default2(this));
+          context.ui().togglePanes(context.container().select(".map-panes .issues-pane"));
+        });
+        chipSelection.call(svgIcon("#" + d.iconID));
+      });
+      enter.append("span").attr("class", "count");
+      enter.merge(chips).selectAll("span.count").text(function(d) {
+        return d.count.toString();
+      });
+    }
+    return function(selection2) {
+      update(selection2);
+      context.validator().on("validated.infobox", function() {
+        update(selection2);
+      });
+    };
+  }
+
+  // modules/ui/map_in_map.js
+  function uiMapInMap(context) {
+    function mapInMap(selection2) {
+      var backgroundLayer = rendererTileLayer(context);
+      var overlayLayers = {};
+      var projection2 = geoRawMercator();
+      var dataLayer = svgData(projection2, context).showLabels(false);
+      var debugLayer = svgDebug(projection2, context);
+      var zoom = zoom_default2().scaleExtent([geoZoomToScale(0.5), geoZoomToScale(24)]).on("start", zoomStarted).on("zoom", zoomed).on("end", zoomEnded);
+      var wrap2 = select_default2(null);
+      var tiles = select_default2(null);
+      var viewport = select_default2(null);
+      var _isTransformed = false;
+      var _isHidden = true;
+      var _skipEvents = false;
+      var _gesture = null;
+      var _zDiff = 6;
+      var _dMini;
+      var _cMini;
+      var _tStart;
+      var _tCurr;
+      var _timeoutID;
+      function zoomStarted() {
+        if (_skipEvents)
+          return;
+        _tStart = _tCurr = projection2.transform();
+        _gesture = null;
+      }
+      function zoomed(d3_event) {
+        if (_skipEvents)
+          return;
+        var x = d3_event.transform.x;
+        var y = d3_event.transform.y;
+        var k = d3_event.transform.k;
+        var isZooming = k !== _tStart.k;
+        var isPanning = x !== _tStart.x || y !== _tStart.y;
+        if (!isZooming && !isPanning) {
+          return;
+        }
+        if (!_gesture) {
+          _gesture = isZooming ? "zoom" : "pan";
+        }
+        var tMini = projection2.transform();
+        var tX, tY, scale;
+        if (_gesture === "zoom") {
+          scale = k / tMini.k;
+          tX = (_cMini[0] / scale - _cMini[0]) * scale;
+          tY = (_cMini[1] / scale - _cMini[1]) * scale;
+        } else {
+          k = tMini.k;
+          scale = 1;
+          tX = x - tMini.x;
+          tY = y - tMini.y;
+        }
+        utilSetTransform(tiles, tX, tY, scale);
+        utilSetTransform(viewport, 0, 0, scale);
+        _isTransformed = true;
+        _tCurr = identity2.translate(x, y).scale(k);
+        var zMain = geoScaleToZoom(context.projection.scale());
+        var zMini = geoScaleToZoom(k);
+        _zDiff = zMain - zMini;
+        queueRedraw();
+      }
+      function zoomEnded() {
+        if (_skipEvents)
+          return;
+        if (_gesture !== "pan")
+          return;
+        updateProjection();
+        _gesture = null;
+        context.map().center(projection2.invert(_cMini));
+      }
+      function updateProjection() {
+        var loc = context.map().center();
+        var tMain = context.projection.transform();
+        var zMain = geoScaleToZoom(tMain.k);
+        var zMini = Math.max(zMain - _zDiff, 0.5);
+        var kMini = geoZoomToScale(zMini);
+        projection2.translate([tMain.x, tMain.y]).scale(kMini);
+        var point2 = projection2(loc);
+        var mouse = _gesture === "pan" ? geoVecSubtract([_tCurr.x, _tCurr.y], [_tStart.x, _tStart.y]) : [0, 0];
+        var xMini = _cMini[0] - point2[0] + tMain.x + mouse[0];
+        var yMini = _cMini[1] - point2[1] + tMain.y + mouse[1];
+        projection2.translate([xMini, yMini]).clipExtent([[0, 0], _dMini]);
+        _tCurr = projection2.transform();
+        if (_isTransformed) {
+          utilSetTransform(tiles, 0, 0);
+          utilSetTransform(viewport, 0, 0);
+          _isTransformed = false;
+        }
+        zoom.scaleExtent([geoZoomToScale(0.5), geoZoomToScale(zMain - 3)]);
+        _skipEvents = true;
+        wrap2.call(zoom.transform, _tCurr);
+        _skipEvents = false;
+      }
+      function redraw() {
+        clearTimeout(_timeoutID);
+        if (_isHidden)
+          return;
+        updateProjection();
+        var zMini = geoScaleToZoom(projection2.scale());
+        tiles = wrap2.selectAll(".map-in-map-tiles").data([0]);
+        tiles = tiles.enter().append("div").attr("class", "map-in-map-tiles").merge(tiles);
+        backgroundLayer.source(context.background().baseLayerSource()).projection(projection2).dimensions(_dMini);
+        var background = tiles.selectAll(".map-in-map-background").data([0]);
+        background.enter().append("div").attr("class", "map-in-map-background").merge(background).call(backgroundLayer);
+        var overlaySources = context.background().overlayLayerSources();
+        var activeOverlayLayers = [];
+        for (var i2 = 0; i2 < overlaySources.length; i2++) {
+          if (overlaySources[i2].validZoom(zMini)) {
+            if (!overlayLayers[i2])
+              overlayLayers[i2] = rendererTileLayer(context);
+            activeOverlayLayers.push(overlayLayers[i2].source(overlaySources[i2]).projection(projection2).dimensions(_dMini));
+          }
+        }
+        var overlay = tiles.selectAll(".map-in-map-overlay").data([0]);
+        overlay = overlay.enter().append("div").attr("class", "map-in-map-overlay").merge(overlay);
+        var overlays = overlay.selectAll("div").data(activeOverlayLayers, function(d) {
+          return d.source().name();
+        });
+        overlays.exit().remove();
+        overlays = overlays.enter().append("div").merge(overlays).each(function(layer) {
+          select_default2(this).call(layer);
+        });
+        var dataLayers = tiles.selectAll(".map-in-map-data").data([0]);
+        dataLayers.exit().remove();
+        dataLayers = dataLayers.enter().append("svg").attr("class", "map-in-map-data").merge(dataLayers).call(dataLayer).call(debugLayer);
+        if (_gesture !== "pan") {
+          var getPath = path_default(projection2);
+          var bbox2 = { type: "Polygon", coordinates: [context.map().extent().polygon()] };
+          viewport = wrap2.selectAll(".map-in-map-viewport").data([0]);
+          viewport = viewport.enter().append("svg").attr("class", "map-in-map-viewport").merge(viewport);
+          var path = viewport.selectAll(".map-in-map-bbox").data([bbox2]);
+          path.enter().append("path").attr("class", "map-in-map-bbox").merge(path).attr("d", getPath).classed("thick", function(d) {
+            return getPath.area(d) < 30;
+          });
+        }
+      }
+      function queueRedraw() {
+        clearTimeout(_timeoutID);
+        _timeoutID = setTimeout(function() {
+          redraw();
+        }, 750);
+      }
+      function toggle(d3_event) {
+        if (d3_event)
+          d3_event.preventDefault();
+        _isHidden = !_isHidden;
+        context.container().select(".minimap-toggle-item").classed("active", !_isHidden).select("input").property("checked", !_isHidden);
+        if (_isHidden) {
+          wrap2.style("display", "block").style("opacity", "1").transition().duration(200).style("opacity", "0").on("end", function() {
+            selection2.selectAll(".map-in-map").style("display", "none");
+          });
+        } else {
+          wrap2.style("display", "block").style("opacity", "0").transition().duration(200).style("opacity", "1").on("end", function() {
+            redraw();
+          });
+        }
+      }
+      uiMapInMap.toggle = toggle;
+      wrap2 = selection2.selectAll(".map-in-map").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "map-in-map").style("display", _isHidden ? "none" : "block").call(zoom).on("dblclick.zoom", null).merge(wrap2);
+      _dMini = [200, 150];
+      _cMini = geoVecScale(_dMini, 0.5);
+      context.map().on("drawn.map-in-map", function(drawn) {
+        if (drawn.full === true) {
+          redraw();
+        }
+      });
+      redraw();
+      context.keybinding().on(_t("background.minimap.key"), toggle);
+    }
+    return mapInMap;
+  }
+
+  // modules/ui/notice.js
+  function uiNotice(context) {
+    return function(selection2) {
+      var div = selection2.append("div").attr("class", "notice");
+      var button = div.append("button").attr("class", "zoom-to notice fillD").on("click", function() {
+        context.map().zoomEase(context.minEditableZoom());
+      }).on("wheel", function(d3_event) {
+        var e22 = new WheelEvent(d3_event.type, d3_event);
+        context.surface().node().dispatchEvent(e22);
+      });
+      button.call(svgIcon("#iD-icon-plus", "pre-text")).append("span").attr("class", "label").call(_t.append("zoom_in_edit"));
+      function disableTooHigh() {
+        var canEdit = context.map().zoom() >= context.minEditableZoom();
+        div.style("display", canEdit ? "none" : "block");
+      }
+      context.map().on("move.notice", debounce_default(disableTooHigh, 500));
+      disableTooHigh();
+    };
+  }
+
+  // modules/ui/photoviewer.js
+  function uiPhotoviewer(context) {
+    var dispatch10 = dispatch_default("resize");
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    function photoviewer(selection2) {
+      selection2.append("button").attr("class", "thumb-hide").attr("title", _t("icons.close")).on("click", function() {
+        if (services.streetside) {
+          services.streetside.hideViewer(context);
+        }
+        if (services.mapillary) {
+          services.mapillary.hideViewer(context);
+        }
+        if (services.kartaview) {
+          services.kartaview.hideViewer(context);
+        }
+      }).append("div").call(svgIcon("#iD-icon-close"));
+      function preventDefault(d3_event) {
+        d3_event.preventDefault();
+      }
+      selection2.append("button").attr("class", "resize-handle-xy").on("touchstart touchdown touchend", preventDefault).on(
+        _pointerPrefix + "down",
+        buildResizeListener(selection2, "resize", dispatch10, { resizeOnX: true, resizeOnY: true })
+      );
+      selection2.append("button").attr("class", "resize-handle-x").on("touchstart touchdown touchend", preventDefault).on(
+        _pointerPrefix + "down",
+        buildResizeListener(selection2, "resize", dispatch10, { resizeOnX: true })
+      );
+      selection2.append("button").attr("class", "resize-handle-y").on("touchstart touchdown touchend", preventDefault).on(
+        _pointerPrefix + "down",
+        buildResizeListener(selection2, "resize", dispatch10, { resizeOnY: true })
+      );
+      function buildResizeListener(target, eventName, dispatch11, options2) {
+        var resizeOnX = !!options2.resizeOnX;
+        var resizeOnY = !!options2.resizeOnY;
+        var minHeight = options2.minHeight || 240;
+        var minWidth = options2.minWidth || 320;
+        var pointerId;
+        var startX;
+        var startY;
+        var startWidth;
+        var startHeight;
+        function startResize(d3_event) {
+          if (pointerId !== (d3_event.pointerId || "mouse"))
+            return;
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+          var mapSize = context.map().dimensions();
+          if (resizeOnX) {
+            var maxWidth = mapSize[0];
+            var newWidth = clamp3(startWidth + d3_event.clientX - startX, minWidth, maxWidth);
+            target.style("width", newWidth + "px");
+          }
+          if (resizeOnY) {
+            var maxHeight = mapSize[1] - 90;
+            var newHeight = clamp3(startHeight + startY - d3_event.clientY, minHeight, maxHeight);
+            target.style("height", newHeight + "px");
+          }
+          dispatch11.call(eventName, target, utilGetDimensions(target, true));
+        }
+        function clamp3(num, min3, max3) {
+          return Math.max(min3, Math.min(num, max3));
+        }
+        function stopResize(d3_event) {
+          if (pointerId !== (d3_event.pointerId || "mouse"))
+            return;
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+          select_default2(window).on("." + eventName, null);
+        }
+        return function initResize(d3_event) {
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+          pointerId = d3_event.pointerId || "mouse";
+          startX = d3_event.clientX;
+          startY = d3_event.clientY;
+          var targetRect = target.node().getBoundingClientRect();
+          startWidth = targetRect.width;
+          startHeight = targetRect.height;
+          select_default2(window).on(_pointerPrefix + "move." + eventName, startResize, false).on(_pointerPrefix + "up." + eventName, stopResize, false);
+          if (_pointerPrefix === "pointer") {
+            select_default2(window).on("pointercancel." + eventName, stopResize, false);
+          }
+        };
+      }
+    }
+    photoviewer.onMapResize = function() {
+      var photoviewer2 = context.container().select(".photoviewer");
+      var content = context.container().select(".main-content");
+      var mapDimensions = utilGetDimensions(content, true);
+      var photoDimensions = utilGetDimensions(photoviewer2, true);
+      if (photoDimensions[0] > mapDimensions[0] || photoDimensions[1] > mapDimensions[1] - 90) {
+        var setPhotoDimensions = [
+          Math.min(photoDimensions[0], mapDimensions[0]),
+          Math.min(photoDimensions[1], mapDimensions[1] - 90)
+        ];
+        photoviewer2.style("width", setPhotoDimensions[0] + "px").style("height", setPhotoDimensions[1] + "px");
+        dispatch10.call("resize", photoviewer2, setPhotoDimensions);
+      }
+    };
+    return utilRebind(photoviewer, dispatch10, "on");
+  }
+
+  // modules/ui/restore.js
+  function uiRestore(context) {
+    return function(selection2) {
+      if (!context.history().hasRestorableChanges())
+        return;
+      let modalSelection = uiModal(selection2, true);
+      modalSelection.select(".modal").attr("class", "modal fillL");
+      let introModal = modalSelection.select(".content");
+      introModal.append("div").attr("class", "modal-section").append("h3").call(_t.append("restore.heading"));
+      introModal.append("div").attr("class", "modal-section").append("p").call(_t.append("restore.description"));
+      let buttonWrap = introModal.append("div").attr("class", "modal-actions");
+      let restore = buttonWrap.append("button").attr("class", "restore").on("click", () => {
+        context.history().restore();
+        modalSelection.remove();
+      });
+      restore.append("svg").attr("class", "logo logo-restore").append("use").attr("xlink:href", "#iD-logo-restore");
+      restore.append("div").call(_t.append("restore.restore"));
+      let reset = buttonWrap.append("button").attr("class", "reset").on("click", () => {
+        context.history().clearSaved();
+        modalSelection.remove();
+      });
+      reset.append("svg").attr("class", "logo logo-reset").append("use").attr("xlink:href", "#iD-logo-reset");
+      reset.append("div").call(_t.append("restore.reset"));
+      restore.node().focus();
+    };
+  }
+
+  // modules/ui/scale.js
+  function uiScale(context) {
+    var projection2 = context.projection, isImperial = !_mainLocalizer.usesMetric(), maxLength = 180, tickHeight = 8;
+    function scaleDefs(loc1, loc2) {
+      var lat = (loc2[1] + loc1[1]) / 2, conversion = isImperial ? 3.28084 : 1, dist = geoLonToMeters(loc2[0] - loc1[0], lat) * conversion, scale = { dist: 0, px: 0, text: "" }, buckets, i2, val, dLon;
+      if (isImperial) {
+        buckets = [528e4, 528e3, 52800, 5280, 500, 50, 5, 1];
+      } else {
+        buckets = [5e6, 5e5, 5e4, 5e3, 500, 50, 5, 1];
+      }
+      for (i2 = 0; i2 < buckets.length; i2++) {
+        val = buckets[i2];
+        if (dist >= val) {
+          scale.dist = Math.floor(dist / val) * val;
+          break;
+        } else {
+          scale.dist = +dist.toFixed(2);
+        }
+      }
+      dLon = geoMetersToLon(scale.dist / conversion, lat);
+      scale.px = Math.round(projection2([loc1[0] + dLon, loc1[1]])[0]);
+      scale.text = displayLength(scale.dist / conversion, isImperial);
+      return scale;
+    }
+    function update(selection2) {
+      var dims = context.map().dimensions(), loc1 = projection2.invert([0, dims[1]]), loc2 = projection2.invert([maxLength, dims[1]]), scale = scaleDefs(loc1, loc2);
+      selection2.select(".scale-path").attr("d", "M0.5,0.5v" + tickHeight + "h" + scale.px + "v-" + tickHeight);
+      selection2.select(".scale-text").style(_mainLocalizer.textDirection() === "ltr" ? "left" : "right", scale.px + 16 + "px").text(scale.text);
+    }
+    return function(selection2) {
+      function switchUnits() {
+        isImperial = !isImperial;
+        selection2.call(update);
+      }
+      var scalegroup = selection2.append("svg").attr("class", "scale").on("click", switchUnits).append("g").attr("transform", "translate(10,11)");
+      scalegroup.append("path").attr("class", "scale-path");
+      selection2.append("div").attr("class", "scale-text");
+      selection2.call(update);
+      context.map().on("move.scale", function() {
+        update(selection2);
+      });
+    };
+  }
+
+  // modules/ui/shortcuts.js
+  function uiShortcuts(context) {
+    var detected = utilDetect();
+    var _activeTab = 0;
+    var _modalSelection;
+    var _selection = select_default2(null);
+    var _dataShortcuts;
+    function shortcutsModal(_modalSelection2) {
+      _modalSelection2.select(".modal").classed("modal-shortcuts", true);
+      var content = _modalSelection2.select(".content");
+      content.append("div").attr("class", "modal-section header").append("h2").call(_t.append("shortcuts.title"));
+      _mainFileFetcher.get("shortcuts").then(function(data) {
+        _dataShortcuts = data;
+        content.call(render);
+      }).catch(function() {
+      });
+    }
+    function render(selection2) {
+      if (!_dataShortcuts)
+        return;
+      var wrapper = selection2.selectAll(".wrapper").data([0]);
+      var wrapperEnter = wrapper.enter().append("div").attr("class", "wrapper modal-section");
+      var tabsBar = wrapperEnter.append("div").attr("class", "tabs-bar");
+      var shortcutsList = wrapperEnter.append("div").attr("class", "shortcuts-list");
+      wrapper = wrapper.merge(wrapperEnter);
+      var tabs = tabsBar.selectAll(".tab").data(_dataShortcuts);
+      var tabsEnter = tabs.enter().append("a").attr("class", "tab").attr("href", "#").on("click", function(d3_event, d) {
+        d3_event.preventDefault();
+        var i2 = _dataShortcuts.indexOf(d);
+        _activeTab = i2;
+        render(selection2);
+      });
+      tabsEnter.append("span").html(function(d) {
+        return _t.html(d.text);
+      });
+      wrapper.selectAll(".tab").classed("active", function(d, i2) {
+        return i2 === _activeTab;
+      });
+      var shortcuts = shortcutsList.selectAll(".shortcut-tab").data(_dataShortcuts);
+      var shortcutsEnter = shortcuts.enter().append("div").attr("class", function(d) {
+        return "shortcut-tab shortcut-tab-" + d.tab;
+      });
+      var columnsEnter = shortcutsEnter.selectAll(".shortcut-column").data(function(d) {
+        return d.columns;
+      }).enter().append("table").attr("class", "shortcut-column");
+      var rowsEnter = columnsEnter.selectAll(".shortcut-row").data(function(d) {
+        return d.rows;
+      }).enter().append("tr").attr("class", "shortcut-row");
+      var sectionRows = rowsEnter.filter(function(d) {
+        return !d.shortcuts;
+      });
+      sectionRows.append("td");
+      sectionRows.append("td").attr("class", "shortcut-section").append("h3").html(function(d) {
+        return _t.html(d.text);
+      });
+      var shortcutRows = rowsEnter.filter(function(d) {
+        return d.shortcuts;
+      });
+      var shortcutKeys = shortcutRows.append("td").attr("class", "shortcut-keys");
+      var modifierKeys = shortcutKeys.filter(function(d) {
+        return d.modifiers;
+      });
+      modifierKeys.selectAll("kbd.modifier").data(function(d) {
+        if (detected.os === "win" && d.text === "shortcuts.editing.commands.redo") {
+          return ["\u2318"];
+        } else if (detected.os !== "mac" && d.text === "shortcuts.browsing.display_options.fullscreen") {
+          return [];
+        } else {
+          return d.modifiers;
+        }
+      }).enter().each(function() {
+        var selection3 = select_default2(this);
+        selection3.append("kbd").attr("class", "modifier").text(function(d) {
+          return uiCmd.display(d);
+        });
+        selection3.append("span").text("+");
+      });
+      shortcutKeys.selectAll("kbd.shortcut").data(function(d) {
+        var arr = d.shortcuts;
+        if (detected.os === "win" && d.text === "shortcuts.editing.commands.redo") {
+          arr = ["Y"];
+        } else if (detected.os !== "mac" && d.text === "shortcuts.browsing.display_options.fullscreen") {
+          arr = ["F11"];
+        }
+        arr = arr.map(function(s) {
+          return uiCmd.display(s.indexOf(".") !== -1 ? _t(s) : s);
+        });
+        return utilArrayUniq(arr).map(function(s) {
+          return {
+            shortcut: s,
+            separator: d.separator,
+            suffix: d.suffix
+          };
+        });
+      }).enter().each(function(d, i2, nodes) {
+        var selection3 = select_default2(this);
+        var click = d.shortcut.toLowerCase().match(/(.*).click/);
+        if (click && click[1]) {
+          selection3.call(svgIcon("#iD-walkthrough-mouse-" + click[1], "operation"));
+        } else if (d.shortcut.toLowerCase() === "long-press") {
+          selection3.call(svgIcon("#iD-walkthrough-longpress", "longpress operation"));
+        } else if (d.shortcut.toLowerCase() === "tap") {
+          selection3.call(svgIcon("#iD-walkthrough-tap", "tap operation"));
+        } else {
+          selection3.append("kbd").attr("class", "shortcut").text(function(d2) {
+            return d2.shortcut;
+          });
+        }
+        if (i2 < nodes.length - 1) {
+          selection3.append("span").html(d.separator || "\xA0" + _t.html("shortcuts.or") + "\xA0");
+        } else if (i2 === nodes.length - 1 && d.suffix) {
+          selection3.append("span").text(d.suffix);
+        }
+      });
+      shortcutKeys.filter(function(d) {
+        return d.gesture;
+      }).each(function() {
+        var selection3 = select_default2(this);
+        selection3.append("span").text("+");
+        selection3.append("span").attr("class", "gesture").html(function(d) {
+          return _t.html(d.gesture);
+        });
+      });
+      shortcutRows.append("td").attr("class", "shortcut-desc").html(function(d) {
+        return d.text ? _t.html(d.text) : "\xA0";
+      });
+      wrapper.selectAll(".shortcut-tab").style("display", function(d, i2) {
+        return i2 === _activeTab ? "flex" : "none";
+      });
+    }
+    return function(selection2, show) {
+      _selection = selection2;
+      if (show) {
+        _modalSelection = uiModal(selection2);
+        _modalSelection.call(shortcutsModal);
+      } else {
+        context.keybinding().on([_t("shortcuts.toggle.key"), "?"], function() {
+          if (context.container().selectAll(".modal-shortcuts").size()) {
+            if (_modalSelection) {
+              _modalSelection.close();
+              _modalSelection = null;
+            }
+          } else {
+            _modalSelection = uiModal(_selection);
+            _modalSelection.call(shortcutsModal);
+          }
+        });
+      }
+    };
+  }
+
+  // modules/ui/data_header.js
+  function uiDataHeader() {
+    var _datum;
+    function dataHeader(selection2) {
+      var header = selection2.selectAll(".data-header").data(
+        _datum ? [_datum] : [],
+        function(d) {
+          return d.__featurehash__;
+        }
+      );
+      header.exit().remove();
+      var headerEnter = header.enter().append("div").attr("class", "data-header");
+      var iconEnter = headerEnter.append("div").attr("class", "data-header-icon");
+      iconEnter.append("div").attr("class", "preset-icon-28").call(svgIcon("#iD-icon-data", "note-fill"));
+      headerEnter.append("div").attr("class", "data-header-label").call(_t.append("map_data.layers.custom.title"));
+    }
+    dataHeader.datum = function(val) {
+      if (!arguments.length)
+        return _datum;
+      _datum = val;
+      return this;
+    };
+    return dataHeader;
+  }
+
+  // modules/ui/combobox.js
+  var _comboHideTimerID;
+  function uiCombobox(context, klass) {
+    var dispatch10 = dispatch_default("accept", "cancel", "update");
+    var container = context.container();
+    var _suggestions = [];
+    var _data = [];
+    var _fetched = {};
+    var _selected = null;
+    var _canAutocomplete = true;
+    var _caseSensitive = false;
+    var _cancelFetch = false;
+    var _minItems = 2;
+    var _tDown = 0;
+    var _mouseEnterHandler, _mouseLeaveHandler;
+    var _fetcher = function(val, cb) {
+      cb(_data.filter(function(d) {
+        var terms = d.terms || [];
+        terms.push(d.value);
+        if (d.key) {
+          terms.push(d.key);
+        }
+        return terms.some(function(term) {
+          return term.toString().toLowerCase().indexOf(val.toLowerCase()) !== -1;
+        });
+      }));
+    };
+    var combobox = function(input, attachTo) {
+      if (!input || input.empty())
+        return;
+      input.classed("combobox-input", true).on("focus.combo-input", focus).on("blur.combo-input", blur).on("keydown.combo-input", keydown).on("keyup.combo-input", keyup).on("input.combo-input", change).on("mousedown.combo-input", mousedown).each(function() {
+        var parent = this.parentNode;
+        var sibling = this.nextSibling;
+        select_default2(parent).selectAll(".combobox-caret").filter(function(d) {
+          return d === input.node();
+        }).data([input.node()]).enter().insert("div", function() {
+          return sibling;
+        }).attr("class", "combobox-caret").on("mousedown.combo-caret", function(d3_event) {
+          d3_event.preventDefault();
+          input.node().focus();
+          mousedown(d3_event);
+        }).on("mouseup.combo-caret", function(d3_event) {
+          d3_event.preventDefault();
+          mouseup(d3_event);
+        });
+      });
+      function mousedown(d3_event) {
+        if (d3_event.button !== 0)
+          return;
+        if (input.classed("disabled"))
+          return;
+        _tDown = +/* @__PURE__ */ new Date();
+        var start2 = input.property("selectionStart");
+        var end = input.property("selectionEnd");
+        if (start2 !== end) {
+          var val = utilGetSetValue(input);
+          input.node().setSelectionRange(val.length, val.length);
+          return;
+        }
+        input.on("mouseup.combo-input", mouseup);
+      }
+      function mouseup(d3_event) {
+        input.on("mouseup.combo-input", null);
+        if (d3_event.button !== 0)
+          return;
+        if (input.classed("disabled"))
+          return;
+        if (input.node() !== document.activeElement)
+          return;
+        var start2 = input.property("selectionStart");
+        var end = input.property("selectionEnd");
+        if (start2 !== end)
+          return;
+        var combo = container.selectAll(".combobox");
+        if (combo.empty() || combo.datum() !== input.node()) {
+          var tOrig = _tDown;
+          window.setTimeout(function() {
+            if (tOrig !== _tDown)
+              return;
+            fetchComboData("", function() {
+              show();
+              render();
+            });
+          }, 250);
+        } else {
+          hide();
+        }
+      }
+      function focus() {
+        fetchComboData("");
+      }
+      function blur() {
+        _comboHideTimerID = window.setTimeout(hide, 75);
+      }
+      function show() {
+        hide();
+        container.insert("div", ":first-child").datum(input.node()).attr("class", "combobox" + (klass ? " combobox-" + klass : "")).style("position", "absolute").style("display", "block").style("left", "0px").on("mousedown.combo-container", function(d3_event) {
+          d3_event.preventDefault();
+        });
+        container.on("scroll.combo-scroll", render, true);
+      }
+      function hide() {
+        if (_comboHideTimerID) {
+          window.clearTimeout(_comboHideTimerID);
+          _comboHideTimerID = void 0;
+        }
+        container.selectAll(".combobox").remove();
+        container.on("scroll.combo-scroll", null);
+      }
+      function keydown(d3_event) {
+        var shown = !container.selectAll(".combobox").empty();
+        var tagName = input.node() ? input.node().tagName.toLowerCase() : "";
+        switch (d3_event.keyCode) {
+          case 8:
+          case 46:
+            d3_event.stopPropagation();
+            _selected = null;
+            render();
+            input.on("input.combo-input", function() {
+              var start2 = input.property("selectionStart");
+              input.node().setSelectionRange(start2, start2);
+              input.on("input.combo-input", change);
+              change(false);
+            });
+            break;
+          case 9:
+            accept(d3_event);
+            break;
+          case 13:
+            d3_event.preventDefault();
+            d3_event.stopPropagation();
+            accept(d3_event);
+            break;
+          case 38:
+            if (tagName === "textarea" && !shown)
+              return;
+            d3_event.preventDefault();
+            if (tagName === "input" && !shown) {
+              show();
+            }
+            nav(-1);
+            break;
+          case 40:
+            if (tagName === "textarea" && !shown)
+              return;
+            d3_event.preventDefault();
+            if (tagName === "input" && !shown) {
+              show();
+            }
+            nav(1);
+            break;
+        }
+      }
+      function keyup(d3_event) {
+        switch (d3_event.keyCode) {
+          case 27:
+            cancel();
+            break;
+        }
+      }
+      function change(doAutoComplete) {
+        if (doAutoComplete === void 0)
+          doAutoComplete = true;
+        fetchComboData(value(), function() {
+          _selected = null;
+          var val = input.property("value");
+          if (_suggestions.length) {
+            if (doAutoComplete && input.property("selectionEnd") === val.length) {
+              _selected = tryAutocomplete();
+            }
+            if (!_selected) {
+              _selected = val;
+            }
+          }
+          if (val.length) {
+            var combo = container.selectAll(".combobox");
+            if (combo.empty()) {
+              show();
+            }
+          } else {
+            hide();
+          }
+          render();
+        });
+      }
+      function nav(dir) {
+        if (_suggestions.length) {
+          var index = -1;
+          for (var i2 = 0; i2 < _suggestions.length; i2++) {
+            if (_selected && _suggestions[i2].value === _selected) {
+              index = i2;
+              break;
+            }
+          }
+          index = Math.max(Math.min(index + dir, _suggestions.length - 1), 0);
+          _selected = _suggestions[index].value;
+          utilGetSetValue(input, _selected);
+          dispatch10.call("update");
+        }
+        render();
+        ensureVisible();
+      }
+      function ensureVisible() {
+        var combo = container.selectAll(".combobox");
+        if (combo.empty())
+          return;
+        var containerRect = container.node().getBoundingClientRect();
+        var comboRect = combo.node().getBoundingClientRect();
+        if (comboRect.bottom > containerRect.bottom) {
+          var node = attachTo ? attachTo.node() : input.node();
+          node.scrollIntoView({ behavior: "instant", block: "center" });
+          render();
+        }
+        var selected = combo.selectAll(".combobox-option.selected").node();
+        if (selected) {
+          selected.scrollIntoView({ behavior: "smooth", block: "nearest" });
+        }
+      }
+      function value() {
+        var value2 = input.property("value");
+        var start2 = input.property("selectionStart");
+        var end = input.property("selectionEnd");
+        if (start2 && end) {
+          value2 = value2.substring(0, start2);
+        }
+        return value2;
+      }
+      function fetchComboData(v, cb) {
+        _cancelFetch = false;
+        _fetcher.call(input, v, function(results) {
+          if (_cancelFetch)
+            return;
+          _suggestions = results;
+          results.forEach(function(d) {
+            _fetched[d.value] = d;
+          });
+          if (cb) {
+            cb();
+          }
+        });
+      }
+      function tryAutocomplete() {
+        if (!_canAutocomplete)
+          return;
+        var val = _caseSensitive ? value() : value().toLowerCase();
+        if (!val)
+          return;
+        if (isFinite(val))
+          return;
+        const suggestionValues = [];
+        _suggestions.forEach((s) => {
+          suggestionValues.push(s.value);
+          if (s.key && s.key !== s.value) {
+            suggestionValues.push(s.key);
+          }
+        });
+        var bestIndex = -1;
+        for (var i2 = 0; i2 < suggestionValues.length; i2++) {
+          var suggestion = suggestionValues[i2];
+          var compare = _caseSensitive ? suggestion : suggestion.toLowerCase();
+          if (compare === val) {
+            bestIndex = i2;
+            break;
+          } else if (bestIndex === -1 && compare.indexOf(val) === 0) {
+            bestIndex = i2;
+          }
+        }
+        if (bestIndex !== -1) {
+          var bestVal = suggestionValues[bestIndex];
+          input.property("value", bestVal);
+          input.node().setSelectionRange(val.length, bestVal.length);
+          dispatch10.call("update");
+          return bestVal;
+        }
+      }
+      function render() {
+        if (_suggestions.length < _minItems || document.activeElement !== input.node()) {
+          hide();
+          return;
+        }
+        var shown = !container.selectAll(".combobox").empty();
+        if (!shown)
+          return;
+        var combo = container.selectAll(".combobox");
+        var options2 = combo.selectAll(".combobox-option").data(_suggestions, function(d) {
+          return d.value;
+        });
+        options2.exit().remove();
+        options2.enter().append("a").attr("class", function(d) {
+          return "combobox-option " + (d.klass || "");
+        }).attr("title", function(d) {
+          return d.title;
+        }).each(function(d) {
+          if (d.display) {
+            d.display(select_default2(this));
+          } else {
+            select_default2(this).text(d.value);
+          }
+        }).on("mouseenter", _mouseEnterHandler).on("mouseleave", _mouseLeaveHandler).merge(options2).classed("selected", function(d) {
+          return d.value === _selected || d.key === _selected;
+        }).on("click.combo-option", accept).order();
+        var node = attachTo ? attachTo.node() : input.node();
+        var containerRect = container.node().getBoundingClientRect();
+        var rect = node.getBoundingClientRect();
+        combo.style("left", rect.left + 5 - containerRect.left + "px").style("width", rect.width - 10 + "px").style("top", rect.height + rect.top - containerRect.top + "px");
+      }
+      function accept(d3_event, d) {
+        _cancelFetch = true;
+        var thiz = input.node();
+        if (d) {
+          utilGetSetValue(input, d.value);
+          utilTriggerEvent(input, "change");
+        }
+        var val = utilGetSetValue(input);
+        thiz.setSelectionRange(val.length, val.length);
+        d = _fetched[val];
+        dispatch10.call("accept", thiz, d, val);
+        hide();
+      }
+      function cancel() {
+        _cancelFetch = true;
+        var thiz = input.node();
+        var val = utilGetSetValue(input);
+        var start2 = input.property("selectionStart");
+        var end = input.property("selectionEnd");
+        val = val.slice(0, start2) + val.slice(end);
+        utilGetSetValue(input, val);
+        thiz.setSelectionRange(val.length, val.length);
+        dispatch10.call("cancel", thiz);
+        hide();
+      }
+    };
+    combobox.canAutocomplete = function(val) {
+      if (!arguments.length)
+        return _canAutocomplete;
+      _canAutocomplete = val;
+      return combobox;
+    };
+    combobox.caseSensitive = function(val) {
+      if (!arguments.length)
+        return _caseSensitive;
+      _caseSensitive = val;
+      return combobox;
+    };
+    combobox.data = function(val) {
+      if (!arguments.length)
+        return _data;
+      _data = val;
+      return combobox;
+    };
+    combobox.fetcher = function(val) {
+      if (!arguments.length)
+        return _fetcher;
+      _fetcher = val;
+      return combobox;
+    };
+    combobox.minItems = function(val) {
+      if (!arguments.length)
+        return _minItems;
+      _minItems = val;
+      return combobox;
+    };
+    combobox.itemsMouseEnter = function(val) {
+      if (!arguments.length)
+        return _mouseEnterHandler;
+      _mouseEnterHandler = val;
+      return combobox;
+    };
+    combobox.itemsMouseLeave = function(val) {
+      if (!arguments.length)
+        return _mouseLeaveHandler;
+      _mouseLeaveHandler = val;
+      return combobox;
+    };
+    return utilRebind(combobox, dispatch10, "on");
+  }
+  uiCombobox.off = function(input, context) {
+    input.on("focus.combo-input", null).on("blur.combo-input", null).on("keydown.combo-input", null).on("keyup.combo-input", null).on("input.combo-input", null).on("mousedown.combo-input", null).on("mouseup.combo-input", null);
+    context.container().on("scroll.combo-scroll", null);
+  };
+
+  // modules/ui/disclosure.js
+  function uiDisclosure(context, key, expandedDefault) {
+    var dispatch10 = dispatch_default("toggled");
+    var _expanded;
+    var _label = utilFunctor("");
+    var _updatePreference = true;
+    var _content = function() {
+    };
+    var disclosure = function(selection2) {
+      if (_expanded === void 0 || _expanded === null) {
+        var preference = corePreferences("disclosure." + key + ".expanded");
+        _expanded = preference === null ? !!expandedDefault : preference === "true";
+      }
+      var hideToggle = selection2.selectAll(".hide-toggle-" + key).data([0]);
+      var hideToggleEnter = hideToggle.enter().append("h3").append("a").attr("role", "button").attr("href", "#").attr("class", "hide-toggle hide-toggle-" + key).call(svgIcon("", "pre-text", "hide-toggle-icon"));
+      hideToggleEnter.append("span").attr("class", "hide-toggle-text");
+      hideToggle = hideToggleEnter.merge(hideToggle);
+      hideToggle.on("click", toggle).attr("title", _t(`icons.${_expanded ? "collapse" : "expand"}`)).attr("aria-expanded", _expanded).classed("expanded", _expanded);
+      const label = _label();
+      const labelSelection = hideToggle.selectAll(".hide-toggle-text");
+      if (typeof label !== "function") {
+        labelSelection.text(_label());
+      } else {
+        labelSelection.text("").call(label);
+      }
+      hideToggle.selectAll(".hide-toggle-icon").attr(
+        "xlink:href",
+        _expanded ? "#iD-icon-down" : _mainLocalizer.textDirection() === "rtl" ? "#iD-icon-backward" : "#iD-icon-forward"
+      );
+      var wrap2 = selection2.selectAll(".disclosure-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "disclosure-wrap disclosure-wrap-" + key).merge(wrap2).classed("hide", !_expanded);
+      if (_expanded) {
+        wrap2.call(_content);
+      }
+      function toggle(d3_event) {
+        d3_event.preventDefault();
+        _expanded = !_expanded;
+        if (_updatePreference) {
+          corePreferences("disclosure." + key + ".expanded", _expanded);
+        }
+        hideToggle.classed("expanded", _expanded).attr("aria-expanded", _expanded).attr("title", _t(`icons.${_expanded ? "collapse" : "expand"}`));
+        hideToggle.selectAll(".hide-toggle-icon").attr(
+          "xlink:href",
+          _expanded ? "#iD-icon-down" : _mainLocalizer.textDirection() === "rtl" ? "#iD-icon-backward" : "#iD-icon-forward"
+        );
+        wrap2.call(uiToggle(_expanded));
+        if (_expanded) {
+          wrap2.call(_content);
+        }
+        dispatch10.call("toggled", this, _expanded);
+      }
+    };
+    disclosure.label = function(val) {
+      if (!arguments.length)
+        return _label;
+      _label = utilFunctor(val);
+      return disclosure;
+    };
+    disclosure.expanded = function(val) {
+      if (!arguments.length)
+        return _expanded;
+      _expanded = val;
+      return disclosure;
+    };
+    disclosure.updatePreference = function(val) {
+      if (!arguments.length)
+        return _updatePreference;
+      _updatePreference = val;
+      return disclosure;
+    };
+    disclosure.content = function(val) {
+      if (!arguments.length)
+        return _content;
+      _content = val;
+      return disclosure;
+    };
+    return utilRebind(disclosure, dispatch10, "on");
+  }
+
+  // modules/ui/section.js
+  function uiSection(id2, context) {
+    var _classes = utilFunctor("");
+    var _shouldDisplay;
+    var _content;
+    var _disclosure;
+    var _label;
+    var _expandedByDefault = utilFunctor(true);
+    var _disclosureContent;
+    var _disclosureExpanded;
+    var _containerSelection = select_default2(null);
+    var section = {
+      id: id2
+    };
+    section.classes = function(val) {
+      if (!arguments.length)
+        return _classes;
+      _classes = utilFunctor(val);
+      return section;
+    };
+    section.label = function(val) {
+      if (!arguments.length)
+        return _label;
+      _label = utilFunctor(val);
+      return section;
+    };
+    section.expandedByDefault = function(val) {
+      if (!arguments.length)
+        return _expandedByDefault;
+      _expandedByDefault = utilFunctor(val);
+      return section;
+    };
+    section.shouldDisplay = function(val) {
+      if (!arguments.length)
+        return _shouldDisplay;
+      _shouldDisplay = utilFunctor(val);
+      return section;
+    };
+    section.content = function(val) {
+      if (!arguments.length)
+        return _content;
+      _content = val;
+      return section;
+    };
+    section.disclosureContent = function(val) {
+      if (!arguments.length)
+        return _disclosureContent;
+      _disclosureContent = val;
+      return section;
+    };
+    section.disclosureExpanded = function(val) {
+      if (!arguments.length)
+        return _disclosureExpanded;
+      _disclosureExpanded = val;
+      return section;
+    };
+    section.render = function(selection2) {
+      _containerSelection = selection2.selectAll(".section-" + id2).data([0]);
+      var sectionEnter = _containerSelection.enter().append("div").attr("class", "section section-" + id2 + " " + (_classes && _classes() || ""));
+      _containerSelection = sectionEnter.merge(_containerSelection);
+      _containerSelection.call(renderContent);
+    };
+    section.reRender = function() {
+      _containerSelection.call(renderContent);
+    };
+    section.selection = function() {
+      return _containerSelection;
+    };
+    section.disclosure = function() {
+      return _disclosure;
+    };
+    function renderContent(selection2) {
+      if (_shouldDisplay) {
+        var shouldDisplay = _shouldDisplay();
+        selection2.classed("hide", !shouldDisplay);
+        if (!shouldDisplay) {
+          selection2.html("");
+          return;
+        }
+      }
+      if (_disclosureContent) {
+        if (!_disclosure) {
+          _disclosure = uiDisclosure(context, id2.replace(/-/g, "_"), _expandedByDefault()).label(_label || "").content(_disclosureContent);
+        }
+        if (_disclosureExpanded !== void 0) {
+          _disclosure.expanded(_disclosureExpanded);
+          _disclosureExpanded = void 0;
+        }
+        selection2.call(_disclosure);
+        return;
+      }
+      if (_content) {
+        selection2.call(_content);
+      }
+    }
+    return section;
+  }
+
+  // modules/ui/tag_reference.js
+  function uiTagReference(what) {
+    var wikibase = what.qid ? services.wikidata : services.osmWikibase;
+    var tagReference = {};
+    var _button = select_default2(null);
+    var _body = select_default2(null);
+    var _loaded;
+    var _showing;
+    function load() {
+      if (!wikibase)
+        return;
+      _button.classed("tag-reference-loading", true);
+      wikibase.getDocs(what, gotDocs);
+    }
+    function gotDocs(err, docs) {
+      _body.html("");
+      if (!docs || !docs.title) {
+        _body.append("p").attr("class", "tag-reference-description").call(_t.append("inspector.no_documentation_key"));
+        done();
+        return;
+      }
+      if (docs.imageURL) {
+        _body.append("img").attr("class", "tag-reference-wiki-image").attr("alt", docs.description).attr("src", docs.imageURL).on("load", function() {
+          done();
+        }).on("error", function() {
+          select_default2(this).remove();
+          done();
+        });
+      } else {
+        done();
+      }
+      var tagReferenceDescription = _body.append("p").attr("class", "tag-reference-description").append("span");
+      if (docs.description) {
+        tagReferenceDescription = tagReferenceDescription.attr("class", "localized-text").attr("lang", docs.descriptionLocaleCode || "und").text(docs.description);
+      } else {
+        tagReferenceDescription = tagReferenceDescription.call(_t.append("inspector.no_documentation_key"));
+      }
+      tagReferenceDescription.append("a").attr("class", "tag-reference-edit").attr("target", "_blank").attr("title", _t("inspector.edit_reference")).attr("href", docs.editURL).call(svgIcon("#iD-icon-edit", "inline"));
+      if (docs.wiki) {
+        _body.append("a").attr("class", "tag-reference-link").attr("target", "_blank").attr("href", docs.wiki.url).call(svgIcon("#iD-icon-out-link", "inline")).append("span").call(_t.append(docs.wiki.text));
+      }
+      if (what.key === "comment") {
+        _body.append("a").attr("class", "tag-reference-comment-link").attr("target", "_blank").call(svgIcon("#iD-icon-out-link", "inline")).attr("href", _t("commit.about_changeset_comments_link")).append("span").call(_t.append("commit.about_changeset_comments"));
+      }
+    }
+    function done() {
+      _loaded = true;
+      _button.classed("tag-reference-loading", false);
+      _body.classed("expanded", true).transition().duration(200).style("max-height", "200px").style("opacity", "1");
+      _showing = true;
+      _button.selectAll("svg.icon use").each(function() {
+        var iconUse = select_default2(this);
+        if (iconUse.attr("href") === "#iD-icon-info") {
+          iconUse.attr("href", "#iD-icon-info-filled");
+        }
+      });
+    }
+    function hide() {
+      _body.transition().duration(200).style("max-height", "0px").style("opacity", "0").on("end", function() {
+        _body.classed("expanded", false);
+      });
+      _showing = false;
+      _button.selectAll("svg.icon use").each(function() {
+        var iconUse = select_default2(this);
+        if (iconUse.attr("href") === "#iD-icon-info-filled") {
+          iconUse.attr("href", "#iD-icon-info");
+        }
+      });
+    }
+    tagReference.button = function(selection2, klass, iconName) {
+      _button = selection2.selectAll(".tag-reference-button").data([0]);
+      _button = _button.enter().append("button").attr("class", "tag-reference-button " + (klass || "")).attr("title", _t("icons.information")).call(svgIcon("#iD-icon-" + (iconName || "inspect"))).merge(_button);
+      _button.on("click", function(d3_event) {
+        d3_event.stopPropagation();
+        d3_event.preventDefault();
+        this.blur();
+        if (_showing) {
+          hide();
+        } else if (_loaded) {
+          done();
+        } else {
+          load();
+        }
+      });
+    };
+    tagReference.body = function(selection2) {
+      var itemID = what.qid || what.key + "-" + (what.value || "");
+      _body = selection2.selectAll(".tag-reference-body").data([itemID], function(d) {
+        return d;
+      });
+      _body.exit().remove();
+      _body = _body.enter().append("div").attr("class", "tag-reference-body").style("max-height", "0").style("opacity", "0").merge(_body);
+      if (_showing === false) {
+        hide();
+      }
+    };
+    tagReference.showing = function(val) {
+      if (!arguments.length)
+        return _showing;
+      _showing = val;
+      return tagReference;
+    };
+    return tagReference;
+  }
+
+  // modules/ui/field_help.js
+  function uiFieldHelp(context, fieldName) {
+    var fieldHelp = {};
+    var _inspector = select_default2(null);
+    var _wrap = select_default2(null);
+    var _body = select_default2(null);
+    var fieldHelpKeys = {
+      restrictions: [
+        ["about", [
+          "about",
+          "from_via_to",
+          "maxdist",
+          "maxvia"
+        ]],
+        ["inspecting", [
+          "about",
+          "from_shadow",
+          "allow_shadow",
+          "restrict_shadow",
+          "only_shadow",
+          "restricted",
+          "only"
+        ]],
+        ["modifying", [
+          "about",
+          "indicators",
+          "allow_turn",
+          "restrict_turn",
+          "only_turn"
+        ]],
+        ["tips", [
+          "simple",
+          "simple_example",
+          "indirect",
+          "indirect_example",
+          "indirect_noedit"
+        ]]
+      ]
+    };
+    var fieldHelpHeadings = {};
+    var replacements = {
+      distField: { html: _t.html("restriction.controls.distance") },
+      viaField: { html: _t.html("restriction.controls.via") },
+      fromShadow: { html: icon("#iD-turn-shadow", "inline shadow from") },
+      allowShadow: { html: icon("#iD-turn-shadow", "inline shadow allow") },
+      restrictShadow: { html: icon("#iD-turn-shadow", "inline shadow restrict") },
+      onlyShadow: { html: icon("#iD-turn-shadow", "inline shadow only") },
+      allowTurn: { html: icon("#iD-turn-yes", "inline turn") },
+      restrictTurn: { html: icon("#iD-turn-no", "inline turn") },
+      onlyTurn: { html: icon("#iD-turn-only", "inline turn") }
+    };
+    var docs = fieldHelpKeys[fieldName].map(function(key) {
+      var helpkey = "help.field." + fieldName + "." + key[0];
+      var text2 = key[1].reduce(function(all, part) {
+        var subkey = helpkey + "." + part;
+        var depth = fieldHelpHeadings[subkey];
+        var hhh = depth ? Array(depth + 1).join("#") + " " : "";
+        return all + hhh + _t.html(subkey, replacements) + "\n\n";
+      }, "");
+      return {
+        key: helpkey,
+        title: _t.html(helpkey + ".title"),
+        html: marked(text2.trim())
+      };
+    });
+    function show() {
+      updatePosition();
+      _body.classed("hide", false).style("opacity", "0").transition().duration(200).style("opacity", "1");
+    }
+    function hide() {
+      _body.classed("hide", true).transition().duration(200).style("opacity", "0").on("end", function() {
+        _body.classed("hide", true);
+      });
+    }
+    function clickHelp(index) {
+      var d = docs[index];
+      var tkeys = fieldHelpKeys[fieldName][index][1];
+      _body.selectAll(".field-help-nav-item").classed("active", function(d2, i2) {
+        return i2 === index;
+      });
+      var content = _body.selectAll(".field-help-content").html(d.html);
+      content.selectAll("p").attr("class", function(d2, i2) {
+        return tkeys[i2];
+      });
+      if (d.key === "help.field.restrictions.inspecting") {
+        content.insert("img", "p.from_shadow").attr("class", "field-help-image cf").attr("src", context.imagePath("tr_inspect.gif"));
+      } else if (d.key === "help.field.restrictions.modifying") {
+        content.insert("img", "p.allow_turn").attr("class", "field-help-image cf").attr("src", context.imagePath("tr_modify.gif"));
+      }
+    }
+    fieldHelp.button = function(selection2) {
+      if (_body.empty())
+        return;
+      var button = selection2.selectAll(".field-help-button").data([0]);
+      button.enter().append("button").attr("class", "field-help-button").call(svgIcon("#iD-icon-help")).merge(button).on("click", function(d3_event) {
+        d3_event.stopPropagation();
+        d3_event.preventDefault();
+        if (_body.classed("hide")) {
+          show();
+        } else {
+          hide();
+        }
+      });
+    };
+    function updatePosition() {
+      var wrap2 = _wrap.node();
+      var inspector = _inspector.node();
+      var wRect = wrap2.getBoundingClientRect();
+      var iRect = inspector.getBoundingClientRect();
+      _body.style("top", wRect.top + inspector.scrollTop - iRect.top + "px");
+    }
+    fieldHelp.body = function(selection2) {
+      _wrap = selection2.selectAll(".form-field-input-wrap");
+      if (_wrap.empty())
+        return;
+      _inspector = context.container().select(".sidebar .entity-editor-pane .inspector-body");
+      if (_inspector.empty())
+        return;
+      _body = _inspector.selectAll(".field-help-body").data([0]);
+      var enter = _body.enter().append("div").attr("class", "field-help-body hide");
+      var titleEnter = enter.append("div").attr("class", "field-help-title cf");
+      titleEnter.append("h2").attr("class", _mainLocalizer.textDirection() === "rtl" ? "fr" : "fl").call(_t.append("help.field." + fieldName + ".title"));
+      titleEnter.append("button").attr("class", "fr close").attr("title", _t("icons.close")).on("click", function(d3_event) {
+        d3_event.stopPropagation();
+        d3_event.preventDefault();
+        hide();
+      }).call(svgIcon("#iD-icon-close"));
+      var navEnter = enter.append("div").attr("class", "field-help-nav cf");
+      var titles = docs.map(function(d) {
+        return d.title;
+      });
+      navEnter.selectAll(".field-help-nav-item").data(titles).enter().append("div").attr("class", "field-help-nav-item").html(function(d) {
+        return d;
+      }).on("click", function(d3_event, d) {
+        d3_event.stopPropagation();
+        d3_event.preventDefault();
+        clickHelp(titles.indexOf(d));
+      });
+      enter.append("div").attr("class", "field-help-content");
+      _body = _body.merge(enter);
+      clickHelp(0);
+    };
+    return fieldHelp;
+  }
+
+  // modules/ui/fields/check.js
+  function uiFieldCheck(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var options2 = field.options;
+    var values = [];
+    var texts = [];
+    var _tags;
+    var input = select_default2(null);
+    var text2 = select_default2(null);
+    var label = select_default2(null);
+    var reverser = select_default2(null);
+    var _impliedYes;
+    var _entityIDs = [];
+    var _value;
+    var stringsField = field.resolveReference("stringsCrossReference");
+    if (!options2 && stringsField.options) {
+      options2 = stringsField.options;
+    }
+    if (options2) {
+      for (var i2 in options2) {
+        var v = options2[i2];
+        values.push(v === "undefined" ? void 0 : v);
+        texts.push(stringsField.t.html("options." + v, { "default": v }));
+      }
+    } else {
+      values = [void 0, "yes"];
+      texts = [_t.html("inspector.unknown"), _t.html("inspector.check.yes")];
+      if (field.type !== "defaultCheck") {
+        values.push("no");
+        texts.push(_t.html("inspector.check.no"));
+      }
+    }
+    function checkImpliedYes() {
+      _impliedYes = field.id === "oneway_yes";
+      if (field.id === "oneway") {
+        var entity = context.entity(_entityIDs[0]);
+        for (var key in entity.tags) {
+          if (key in osmOneWayTags && entity.tags[key] in osmOneWayTags[key]) {
+            _impliedYes = true;
+            texts[0] = _t.html("_tagging.presets.fields.oneway_yes.options.undefined");
+            break;
+          }
+        }
+      }
+    }
+    function reverserHidden() {
+      if (!context.container().select("div.inspector-hover").empty())
+        return true;
+      return !(_value === "yes" || _impliedYes && !_value);
+    }
+    function reverserSetText(selection2) {
+      var entity = _entityIDs.length && context.hasEntity(_entityIDs[0]);
+      if (reverserHidden() || !entity)
+        return selection2;
+      var first = entity.first();
+      var last = entity.isClosed() ? entity.nodes[entity.nodes.length - 2] : entity.last();
+      var pseudoDirection = first < last;
+      var icon2 = pseudoDirection ? "#iD-icon-forward" : "#iD-icon-backward";
+      selection2.selectAll(".reverser-span").html("").call(_t.append("inspector.check.reverser")).call(svgIcon(icon2, "inline"));
+      return selection2;
+    }
+    var check = function(selection2) {
+      checkImpliedYes();
+      label = selection2.selectAll(".form-field-input-wrap").data([0]);
+      var enter = label.enter().append("label").attr("class", "form-field-input-wrap form-field-input-check");
+      enter.append("input").property("indeterminate", field.type !== "defaultCheck").attr("type", "checkbox").attr("id", field.domId);
+      enter.append("span").html(texts[0]).attr("class", "value");
+      if (field.type === "onewayCheck") {
+        enter.append("button").attr("class", "reverser" + (reverserHidden() ? " hide" : "")).append("span").attr("class", "reverser-span");
+      }
+      label = label.merge(enter);
+      input = label.selectAll("input");
+      text2 = label.selectAll("span.value");
+      input.on("click", function(d3_event) {
+        d3_event.stopPropagation();
+        var t = {};
+        if (Array.isArray(_tags[field.key])) {
+          if (values.indexOf("yes") !== -1) {
+            t[field.key] = "yes";
+          } else {
+            t[field.key] = values[0];
+          }
+        } else {
+          t[field.key] = values[(values.indexOf(_value) + 1) % values.length];
+        }
+        if (t[field.key] === "reversible" || t[field.key] === "alternating") {
+          t[field.key] = values[0];
+        }
+        dispatch10.call("change", this, t);
+      });
+      if (field.type === "onewayCheck") {
+        reverser = label.selectAll(".reverser");
+        reverser.call(reverserSetText).on("click", function(d3_event) {
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+          context.perform(
+            function(graph) {
+              for (var i3 in _entityIDs) {
+                graph = actionReverse(_entityIDs[i3])(graph);
+              }
+              return graph;
+            },
+            _t("operations.reverse.annotation.line", { n: 1 })
+          );
+          context.validator().validate();
+          select_default2(this).call(reverserSetText);
+        });
+      }
+    };
+    check.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return check;
+    };
+    check.tags = function(tags) {
+      _tags = tags;
+      function isChecked(val) {
+        return val !== "no" && val !== "" && val !== void 0 && val !== null;
+      }
+      function textFor(val) {
+        if (val === "")
+          val = void 0;
+        var index = values.indexOf(val);
+        return index !== -1 ? texts[index] : '"' + val + '"';
+      }
+      checkImpliedYes();
+      var isMixed = Array.isArray(tags[field.key]);
+      _value = !isMixed && tags[field.key] && tags[field.key].toLowerCase();
+      if (field.type === "onewayCheck" && (_value === "1" || _value === "-1")) {
+        _value = "yes";
+      }
+      input.property("indeterminate", isMixed || field.type !== "defaultCheck" && !_value).property("checked", isChecked(_value));
+      text2.html(isMixed ? _t.html("inspector.multiple_values") : textFor(_value)).classed("mixed", isMixed);
+      label.classed("set", !!_value);
+      if (field.type === "onewayCheck") {
+        reverser.classed("hide", reverserHidden()).call(reverserSetText);
+      }
+    };
+    check.focus = function() {
+      input.node().focus();
+    };
+    return utilRebind(check, dispatch10, "on");
+  }
+
+  // modules/ui/length_indicator.js
+  function uiLengthIndicator(maxChars) {
+    var _wrap = select_default2(null);
+    var _tooltip = uiPopover("tooltip max-length-warning").placement("bottom").hasArrow(true).content(() => (selection2) => {
+      selection2.text("");
+      selection2.call(svgIcon("#iD-icon-alert", "inline"));
+      selection2.call(_t.append("inspector.max_length_reached", { maxChars }));
+    });
+    var _silent = false;
+    var lengthIndicator = function(selection2) {
+      _wrap = selection2.selectAll("span.length-indicator-wrap").data([0]);
+      _wrap = _wrap.enter().append("span").merge(_wrap).classed("length-indicator-wrap", true);
+      selection2.call(_tooltip);
+    };
+    lengthIndicator.update = function(val) {
+      const strLen = utilUnicodeCharsCount(utilCleanOsmString(val, Number.POSITIVE_INFINITY));
+      let indicator = _wrap.selectAll("span.length-indicator").data([strLen]);
+      indicator.enter().append("span").merge(indicator).classed("length-indicator", true).classed("limit-reached", (d) => d > maxChars).style("border-right-width", (d) => `${Math.abs(maxChars - d) * 2}px`).style("margin-right", (d) => d > maxChars ? `${(maxChars - d) * 2}px` : 0).style("opacity", (d) => d > maxChars * 0.8 ? Math.min(1, (d / maxChars - 0.8) / (1 - 0.8)) : 0).style("pointer-events", (d) => d > maxChars * 0.8 ? null : "none");
+      if (_silent)
+        return;
+      if (strLen > maxChars) {
+        _tooltip.show();
+      } else {
+        _tooltip.hide();
+      }
+    };
+    lengthIndicator.silent = function(val) {
+      if (!arguments.length)
+        return _silent;
+      _silent = val;
+      return lengthIndicator;
+    };
+    return lengthIndicator;
+  }
+
+  // modules/ui/fields/combo.js
+  function uiFieldCombo(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var _isMulti = field.type === "multiCombo" || field.type === "manyCombo";
+    var _isNetwork = field.type === "networkCombo";
+    var _isSemi = field.type === "semiCombo";
+    var _showTagInfoSuggestions = field.type !== "manyCombo" && field.autoSuggestions !== false;
+    var _allowCustomValues = field.type !== "manyCombo" && field.customValues !== false;
+    var _snake_case = field.snake_case || field.snake_case === void 0;
+    var _combobox = uiCombobox(context, "combo-" + field.safeid).caseSensitive(field.caseSensitive).minItems(1);
+    var _container = select_default2(null);
+    var _inputWrap = select_default2(null);
+    var _input = select_default2(null);
+    var _lengthIndicator = uiLengthIndicator(context.maxCharsForTagValue());
+    var _comboData = [];
+    var _multiData = [];
+    var _entityIDs = [];
+    var _tags;
+    var _countryCode;
+    var _staticPlaceholder;
+    var _dataDeprecated = [];
+    _mainFileFetcher.get("deprecated").then(function(d) {
+      _dataDeprecated = d;
+    }).catch(function() {
+    });
+    if (_isMulti && field.key && /[^:]$/.test(field.key)) {
+      field.key += ":";
+    }
+    function snake(s) {
+      return s.replace(/\s+/g, "_");
+    }
+    function clean2(s) {
+      return s.split(";").map(function(s2) {
+        return s2.trim();
+      }).join(";");
+    }
+    function tagValue(dval) {
+      dval = clean2(dval || "");
+      var found = getOptions(true).find(function(o) {
+        return o.key && clean2(o.value) === dval;
+      });
+      if (found)
+        return found.key;
+      if (field.type === "typeCombo" && !dval) {
+        return "yes";
+      }
+      return restrictTagValueSpelling(dval) || void 0;
+    }
+    function restrictTagValueSpelling(dval) {
+      if (_snake_case) {
+        dval = snake(dval);
+      }
+      if (!field.caseSensitive) {
+        dval = dval.toLowerCase();
+      }
+      return dval;
+    }
+    function getLabelId(field2, v) {
+      return field2.hasTextForStringId(`options.${v}.title`) ? `options.${v}.title` : `options.${v}`;
+    }
+    function displayValue(tval) {
+      tval = tval || "";
+      var stringsField = field.resolveReference("stringsCrossReference");
+      const labelId = getLabelId(stringsField, tval);
+      if (stringsField.hasTextForStringId(labelId)) {
+        return stringsField.t(labelId, { default: tval });
+      }
+      if (field.type === "typeCombo" && tval.toLowerCase() === "yes") {
+        return "";
+      }
+      return tval;
+    }
+    function renderValue(tval) {
+      tval = tval || "";
+      var stringsField = field.resolveReference("stringsCrossReference");
+      const labelId = getLabelId(stringsField, tval);
+      if (stringsField.hasTextForStringId(labelId)) {
+        return stringsField.t.append(labelId, { default: tval });
+      }
+      if (field.type === "typeCombo" && tval.toLowerCase() === "yes") {
+        tval = "";
+      }
+      return (selection2) => selection2.text(tval);
+    }
+    function objectDifference(a, b) {
+      return a.filter(function(d1) {
+        return !b.some(function(d2) {
+          return d1.value === d2.value;
+        });
+      });
+    }
+    function initCombo(selection2, attachTo) {
+      if (!_allowCustomValues) {
+        selection2.attr("readonly", "readonly");
+      }
+      if (_showTagInfoSuggestions && services.taginfo) {
+        selection2.call(_combobox.fetcher(setTaginfoValues), attachTo);
+        setTaginfoValues("", setPlaceholder);
+      } else {
+        selection2.call(_combobox, attachTo);
+        setTimeout(() => setStaticValues(setPlaceholder), 0);
+      }
+    }
+    function getOptions(allOptions) {
+      var stringsField = field.resolveReference("stringsCrossReference");
+      if (!(field.options || stringsField.options))
+        return [];
+      let options2;
+      if (allOptions !== true) {
+        options2 = field.options || stringsField.options;
+      } else {
+        options2 = [].concat(field.options, stringsField.options).filter(Boolean);
+      }
+      return options2.map(function(v) {
+        const labelId = getLabelId(stringsField, v);
+        return {
+          key: v,
+          value: stringsField.t(labelId, { default: v }),
+          title: stringsField.t(`options.${v}.description`, { default: v }),
+          display: addComboboxIcons(stringsField.t.append(labelId, { default: v }), v),
+          klass: stringsField.hasTextForStringId(labelId) ? "" : "raw-option"
+        };
+      });
+    }
+    function setStaticValues(callback, filter2) {
+      _comboData = getOptions();
+      if (filter2 !== void 0) {
+        _comboData = _comboData.filter(filter2);
+      }
+      _comboData = objectDifference(_comboData, _multiData);
+      _combobox.data(_comboData);
+      if (callback)
+        callback(_comboData);
+    }
+    function setTaginfoValues(q, callback) {
+      var queryFilter = (d) => d.value.toLowerCase().includes(q.toLowerCase()) || d.key.toLowerCase().includes(q.toLowerCase());
+      setStaticValues(callback, queryFilter);
+      var stringsField = field.resolveReference("stringsCrossReference");
+      var fn = _isMulti ? "multikeys" : "values";
+      var query = (_isMulti ? field.key : "") + q;
+      var hasCountryPrefix = _isNetwork && _countryCode && _countryCode.indexOf(q.toLowerCase()) === 0;
+      if (hasCountryPrefix) {
+        query = _countryCode + ":";
+      }
+      var params = {
+        debounce: q !== "",
+        key: field.key,
+        query
+      };
+      if (_entityIDs.length) {
+        params.geometry = context.graph().geometry(_entityIDs[0]);
+      }
+      services.taginfo[fn](params, function(err, data) {
+        if (err)
+          return;
+        data = data.filter((d) => field.type !== "typeCombo" || d.value !== "yes");
+        data = data.filter((d) => {
+          var value = d.value;
+          if (_isMulti) {
+            value = value.slice(field.key.length);
+          }
+          return value === restrictTagValueSpelling(value);
+        });
+        var deprecatedValues = osmEntity.deprecatedTagValuesByKey(_dataDeprecated)[field.key];
+        if (deprecatedValues) {
+          data = data.filter((d) => !deprecatedValues.includes(d.value));
+        }
+        if (hasCountryPrefix) {
+          data = data.filter((d) => d.value.toLowerCase().indexOf(_countryCode + ":") === 0);
+        }
+        const additionalOptions = (field.options || stringsField.options || []).filter((v) => !data.some((dv) => dv.value === (_isMulti ? field.key + v : v))).map((v) => ({ value: v }));
+        _container.classed("empty-combobox", data.length === 0);
+        _comboData = data.concat(additionalOptions).map(function(d) {
+          var v = d.value;
+          if (_isMulti)
+            v = v.replace(field.key, "");
+          const labelId = getLabelId(stringsField, v);
+          var isLocalizable = stringsField.hasTextForStringId(labelId);
+          var label = stringsField.t(labelId, { default: v });
+          return {
+            key: v,
+            value: label,
+            title: stringsField.t(`options.${v}.description`, { default: isLocalizable ? v : d.title !== label ? d.title : "" }),
+            display: addComboboxIcons(stringsField.t.append(labelId, { default: v }), v),
+            klass: isLocalizable ? "" : "raw-option"
+          };
+        });
+        _comboData = _comboData.filter(queryFilter);
+        _comboData = objectDifference(_comboData, _multiData);
+        if (callback)
+          callback(_comboData);
+      });
+    }
+    function addComboboxIcons(disp, value) {
+      const iconsField = field.resolveReference("iconsCrossReference");
+      if (iconsField.icons) {
+        return function(selection2) {
+          var span = selection2.insert("span", ":first-child").attr("class", "tag-value-icon");
+          if (iconsField.icons[value]) {
+            span.call(svgIcon(`#${iconsField.icons[value]}`));
+          }
+          disp.call(this, selection2);
+        };
+      }
+      return disp;
+    }
+    function setPlaceholder(values) {
+      if (_isMulti || _isSemi) {
+        _staticPlaceholder = field.placeholder() || _t("inspector.add");
+      } else {
+        var vals = values.map(function(d) {
+          return d.value;
+        }).filter(function(s) {
+          return s.length < 20;
+        });
+        var placeholders = vals.length > 1 ? vals : values.map(function(d) {
+          return d.key;
+        });
+        _staticPlaceholder = field.placeholder() || placeholders.slice(0, 3).join(", ");
+      }
+      if (!/(…|\.\.\.)$/.test(_staticPlaceholder)) {
+        _staticPlaceholder += "\u2026";
+      }
+      var ph;
+      if (!_isMulti && !_isSemi && _tags && Array.isArray(_tags[field.key])) {
+        ph = _t("inspector.multiple_values");
+      } else {
+        ph = _staticPlaceholder;
+      }
+      _container.selectAll("input").attr("placeholder", ph);
+      var hideAdd = !_allowCustomValues && !values.length;
+      _container.selectAll(".chiplist .input-wrap").style("display", hideAdd ? "none" : null);
+    }
+    function change() {
+      var t = {};
+      var val;
+      if (_isMulti || _isSemi) {
+        var vals;
+        if (_isMulti) {
+          vals = [tagValue(utilGetSetValue(_input))];
+        } else if (_isSemi) {
+          val = tagValue(utilGetSetValue(_input)) || "";
+          val = val.replace(/,/g, ";");
+          vals = val.split(";");
+        }
+        vals = vals.filter(Boolean);
+        if (!vals.length)
+          return;
+        _container.classed("active", false);
+        utilGetSetValue(_input, "");
+        if (_isMulti) {
+          utilArrayUniq(vals).forEach(function(v) {
+            var key = (field.key || "") + v;
+            if (_tags) {
+              var old = _tags[key];
+              if (typeof old === "string" && old.toLowerCase() !== "no")
+                return;
+            }
+            key = context.cleanTagKey(key);
+            field.keys.push(key);
+            t[key] = "yes";
+          });
+        } else if (_isSemi) {
+          var arr = _multiData.map(function(d) {
+            return d.key;
+          });
+          arr = arr.concat(vals);
+          t[field.key] = context.cleanTagValue(utilArrayUniq(arr).filter(Boolean).join(";"));
+        }
+        window.setTimeout(function() {
+          _input.node().focus();
+        }, 10);
+      } else {
+        var rawValue = utilGetSetValue(_input);
+        if (!rawValue && Array.isArray(_tags[field.key]))
+          return;
+        val = context.cleanTagValue(tagValue(rawValue));
+        t[field.key] = val || void 0;
+      }
+      dispatch10.call("change", this, t);
+    }
+    function removeMultikey(d3_event, d) {
+      d3_event.preventDefault();
+      d3_event.stopPropagation();
+      var t = {};
+      if (_isMulti) {
+        t[d.key] = void 0;
+      } else if (_isSemi) {
+        var arr = _multiData.map(function(md) {
+          return md.key === d.key ? null : md.key;
+        }).filter(Boolean);
+        arr = utilArrayUniq(arr);
+        t[field.key] = arr.length ? arr.join(";") : void 0;
+        _lengthIndicator.update(t[field.key]);
+      }
+      dispatch10.call("change", this, t);
+    }
+    function invertMultikey(d3_event, d) {
+      d3_event.preventDefault();
+      d3_event.stopPropagation();
+      var t = {};
+      if (_isMulti) {
+        t[d.key] = _tags[d.key] === "yes" ? "no" : "yes";
+      }
+      dispatch10.call("change", this, t);
+    }
+    function combo(selection2) {
+      _container = selection2.selectAll(".form-field-input-wrap").data([0]);
+      var type2 = _isMulti || _isSemi ? "multicombo" : "combo";
+      _container = _container.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + type2).merge(_container);
+      if (_isMulti || _isSemi) {
+        _container = _container.selectAll(".chiplist").data([0]);
+        var listClass = "chiplist";
+        if (field.key === "destination" || field.key === "via") {
+          listClass += " full-line-chips";
+        }
+        _container = _container.enter().append("ul").attr("class", listClass).on("click", function() {
+          window.setTimeout(function() {
+            _input.node().focus();
+          }, 10);
+        }).merge(_container);
+        _inputWrap = _container.selectAll(".input-wrap").data([0]);
+        _inputWrap = _inputWrap.enter().append("li").attr("class", "input-wrap").merge(_inputWrap);
+        var hideAdd = !_allowCustomValues && !_comboData.length;
+        _inputWrap.style("display", hideAdd ? "none" : null);
+        _input = _inputWrap.selectAll("input").data([0]);
+      } else {
+        _input = _container.selectAll("input").data([0]);
+      }
+      _input = _input.enter().append("input").attr("type", "text").attr("id", field.domId).call(utilNoAuto).call(initCombo, selection2).merge(_input);
+      if (_isSemi) {
+        _inputWrap.call(_lengthIndicator);
+      } else if (!_isMulti) {
+        _container.call(_lengthIndicator);
+      }
+      if (_isNetwork) {
+        var extent = combinedEntityExtent();
+        var countryCode = extent && iso1A2Code(extent.center());
+        _countryCode = countryCode && countryCode.toLowerCase();
+      }
+      _input.on("change", change).on("blur", change).on("input", function() {
+        let val = utilGetSetValue(_input);
+        updateIcon(val);
+        if (_isSemi && _tags[field.key]) {
+          val += ";" + _tags[field.key];
+        }
+        _lengthIndicator.update(val);
+      });
+      _input.on("keydown.field", function(d3_event) {
+        switch (d3_event.keyCode) {
+          case 13:
+            _input.node().blur();
+            d3_event.stopPropagation();
+            break;
+        }
+      });
+      if (_isMulti || _isSemi) {
+        _combobox.on("accept", function() {
+          _input.node().blur();
+          _input.node().focus();
+        });
+        _input.on("focus", function() {
+          _container.classed("active", true);
+        });
+      }
+      _combobox.on("cancel", function() {
+        _input.node().blur();
+      }).on("update", function() {
+        updateIcon(utilGetSetValue(_input));
+      });
+    }
+    function updateIcon(value) {
+      value = tagValue(value);
+      let container = _container;
+      if (field.type === "multiCombo" || field.type === "semiCombo") {
+        container = _container.select(".input-wrap");
+      }
+      const iconsField = field.resolveReference("iconsCrossReference");
+      if (iconsField.icons) {
+        container.selectAll(".tag-value-icon").remove();
+        if (iconsField.icons[value]) {
+          container.selectAll(".tag-value-icon").data([value]).enter().insert("div", "input").attr("class", "tag-value-icon").call(svgIcon(`#${iconsField.icons[value]}`));
+        }
+      }
+    }
+    combo.tags = function(tags) {
+      _tags = tags;
+      var stringsField = field.resolveReference("stringsCrossReference");
+      var isMixed = Array.isArray(tags[field.key]);
+      var showsValue = (value) => !isMixed && value && !(field.type === "typeCombo" && value === "yes");
+      var isRawValue = (value) => showsValue(value) && !stringsField.hasTextForStringId(`options.${value}`) && !stringsField.hasTextForStringId(`options.${value}.title`);
+      var isKnownValue = (value) => showsValue(value) && !isRawValue(value);
+      var isReadOnly = !_allowCustomValues;
+      if (_isMulti || _isSemi) {
+        _multiData = [];
+        var maxLength;
+        if (_isMulti) {
+          for (var k in tags) {
+            if (field.key && k.indexOf(field.key) !== 0)
+              continue;
+            if (!field.key && field.keys.indexOf(k) === -1)
+              continue;
+            var v = tags[k];
+            var suffix = field.key ? k.slice(field.key.length) : k;
+            _multiData.push({
+              key: k,
+              value: displayValue(suffix),
+              display: addComboboxIcons(renderValue(suffix), suffix),
+              state: typeof v === "string" ? v.toLowerCase() : "",
+              isMixed: Array.isArray(v)
+            });
+          }
+          if (field.key) {
+            field.keys = _multiData.map(function(d) {
+              return d.key;
+            });
+            maxLength = context.maxCharsForTagKey() - utilUnicodeCharsCount(field.key);
+          } else {
+            maxLength = context.maxCharsForTagKey();
+          }
+        } else if (_isSemi) {
+          var allValues = [];
+          var commonValues;
+          if (Array.isArray(tags[field.key])) {
+            tags[field.key].forEach(function(tagVal) {
+              var thisVals = utilArrayUniq((tagVal || "").split(";")).filter(Boolean);
+              allValues = allValues.concat(thisVals);
+              if (!commonValues) {
+                commonValues = thisVals;
+              } else {
+                commonValues = commonValues.filter((value) => thisVals.includes(value));
+              }
+            });
+            allValues = utilArrayUniq(allValues).filter(Boolean);
+          } else {
+            allValues = utilArrayUniq((tags[field.key] || "").split(";")).filter(Boolean);
+            commonValues = allValues;
+          }
+          _multiData = allValues.map(function(v2) {
+            return {
+              key: v2,
+              value: displayValue(v2),
+              display: addComboboxIcons(renderValue(v2), v2),
+              isMixed: !commonValues.includes(v2)
+            };
+          });
+          var currLength = utilUnicodeCharsCount(commonValues.join(";"));
+          maxLength = context.maxCharsForTagValue() - currLength;
+          if (currLength > 0) {
+            maxLength -= 1;
+          }
+        }
+        maxLength = Math.max(0, maxLength);
+        var hideAdd = maxLength <= 0 || !_allowCustomValues && !_comboData.length;
+        _container.selectAll(".chiplist .input-wrap").style("display", hideAdd ? "none" : null);
+        var allowDragAndDrop = _isSemi && !Array.isArray(tags[field.key]);
+        var chips = _container.selectAll(".chip").data(_multiData);
+        chips.exit().remove();
+        var enter = chips.enter().insert("li", ".input-wrap").attr("class", "chip");
+        enter.append("span");
+        enter.append("a");
+        chips = chips.merge(enter).order().classed("raw-value", function(d) {
+          var k2 = d.key;
+          if (_isMulti)
+            k2 = k2.replace(field.key, "");
+          return !stringsField.hasTextForStringId("options." + k2);
+        }).classed("draggable", allowDragAndDrop).classed("mixed", function(d) {
+          return d.isMixed;
+        }).attr("title", function(d) {
+          if (d.isMixed) {
+            return _t("inspector.unshared_value_tooltip");
+          }
+          if (!["yes", "no"].includes(d.state)) {
+            return d.state;
+          }
+          return null;
+        }).classed("negated", (d) => d.state === "no");
+        if (!_isSemi) {
+          chips.selectAll("input[type=checkbox]").remove();
+          chips.insert("input", "span").attr("type", "checkbox").property("checked", (d) => d.state === "yes").property("indeterminate", (d) => d.isMixed || !["yes", "no"].includes(d.state)).on("click", invertMultikey);
+        }
+        if (allowDragAndDrop) {
+          registerDragAndDrop(chips);
+        }
+        chips.select("span").each(function(d) {
+          const selection2 = select_default2(this);
+          if (d.display) {
+            selection2.text("");
+            d.display(selection2);
+          } else {
+            selection2.text(d.value);
+          }
+        });
+        chips.select("a").attr("href", "#").on("click", removeMultikey).attr("class", "remove").text("\xD7");
+        updateIcon("");
+      } else {
+        var mixedValues = isMixed && tags[field.key].map(function(val) {
+          return displayValue(val);
+        }).filter(Boolean);
+        utilGetSetValue(_input, !isMixed ? displayValue(tags[field.key]) : "").data([tags[field.key]]).classed("raw-value", isRawValue).classed("known-value", isKnownValue).attr("readonly", isReadOnly ? "readonly" : void 0).attr("title", isMixed ? mixedValues.join("\n") : void 0).attr("placeholder", isMixed ? _t("inspector.multiple_values") : _staticPlaceholder || "").classed("mixed", isMixed).on("keydown.deleteCapture", function(d3_event) {
+          if (isReadOnly && isKnownValue(tags[field.key]) && (d3_event.keyCode === utilKeybinding.keyCodes["\u232B"] || d3_event.keyCode === utilKeybinding.keyCodes["\u2326"])) {
+            d3_event.preventDefault();
+            d3_event.stopPropagation();
+            var t = {};
+            t[field.key] = void 0;
+            dispatch10.call("change", this, t);
+          }
+        });
+        if (!Array.isArray(tags[field.key])) {
+          updateIcon(tags[field.key]);
+        }
+        if (!isMixed) {
+          _lengthIndicator.update(tags[field.key]);
+        }
+      }
+      const refreshStyles = () => {
+        _input.data([tagValue(utilGetSetValue(_input))]).classed("raw-value", isRawValue).classed("known-value", isKnownValue);
+      };
+      _input.on("input.refreshStyles", refreshStyles);
+      _combobox.on("update.refreshStyles", refreshStyles);
+      refreshStyles();
+    };
+    function registerDragAndDrop(selection2) {
+      var dragOrigin, targetIndex;
+      selection2.call(
+        drag_default().on("start", function(d3_event) {
+          dragOrigin = {
+            x: d3_event.x,
+            y: d3_event.y
+          };
+          targetIndex = null;
+        }).on("drag", function(d3_event) {
+          var x = d3_event.x - dragOrigin.x, y = d3_event.y - dragOrigin.y;
+          if (!select_default2(this).classed("dragging") && // don't display drag until dragging beyond a distance threshold
+          Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)) <= 5)
+            return;
+          var index = selection2.nodes().indexOf(this);
+          select_default2(this).classed("dragging", true);
+          targetIndex = null;
+          var targetIndexOffsetTop = null;
+          var draggedTagWidth = select_default2(this).node().offsetWidth;
+          if (field.key === "destination" || field.key === "via") {
+            _container.selectAll(".chip").style("transform", function(d2, index2) {
+              var node = select_default2(this).node();
+              if (index === index2) {
+                return "translate(" + x + "px, " + y + "px)";
+              } else if (index2 > index && d3_event.y > node.offsetTop) {
+                if (targetIndex === null || index2 > targetIndex) {
+                  targetIndex = index2;
+                }
+                return "translateY(-100%)";
+              } else if (index2 < index && d3_event.y < node.offsetTop + node.offsetHeight) {
+                if (targetIndex === null || index2 < targetIndex) {
+                  targetIndex = index2;
+                }
+                return "translateY(100%)";
+              }
+              return null;
+            });
+          } else {
+            _container.selectAll(".chip").each(function(d2, index2) {
+              var node = select_default2(this).node();
+              if (index !== index2 && d3_event.x < node.offsetLeft + node.offsetWidth + 5 && d3_event.x > node.offsetLeft && d3_event.y < node.offsetTop + node.offsetHeight && d3_event.y > node.offsetTop) {
+                targetIndex = index2;
+                targetIndexOffsetTop = node.offsetTop;
+              }
+            }).style("transform", function(d2, index2) {
+              var node = select_default2(this).node();
+              if (index === index2) {
+                return "translate(" + x + "px, " + y + "px)";
+              }
+              if (node.offsetTop === targetIndexOffsetTop) {
+                if (index2 < index && index2 >= targetIndex) {
+                  return "translateX(" + draggedTagWidth + "px)";
+                } else if (index2 > index && index2 <= targetIndex) {
+                  return "translateX(-" + draggedTagWidth + "px)";
+                }
+              }
+              return null;
+            });
+          }
+        }).on("end", function() {
+          if (!select_default2(this).classed("dragging")) {
+            return;
+          }
+          var index = selection2.nodes().indexOf(this);
+          select_default2(this).classed("dragging", false);
+          _container.selectAll(".chip").style("transform", null);
+          if (typeof targetIndex === "number") {
+            var element = _multiData[index];
+            _multiData.splice(index, 1);
+            _multiData.splice(targetIndex, 0, element);
+            var t = {};
+            if (_multiData.length) {
+              t[field.key] = _multiData.map(function(element2) {
+                return element2.key;
+              }).join(";");
+            } else {
+              t[field.key] = void 0;
+            }
+            dispatch10.call("change", this, t);
+          }
+          dragOrigin = void 0;
+          targetIndex = void 0;
+        })
+      );
+    }
+    combo.focus = function() {
+      _input.node().focus();
+    };
+    combo.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return combo;
+    };
+    function combinedEntityExtent() {
+      return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
+    }
+    return utilRebind(combo, dispatch10, "on");
+  }
+
+  // modules/ui/fields/input.js
+  var likelyRawNumberFormat = /^-?(0\.\d*|\d*\.\d{0,2}(\d{4,})?|\d{4,}\.\d{3})$/;
+  function uiFieldText(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var input = select_default2(null);
+    var outlinkButton = select_default2(null);
+    var wrap2 = select_default2(null);
+    var _lengthIndicator = uiLengthIndicator(context.maxCharsForTagValue());
+    var _entityIDs = [];
+    var _tags;
+    var _phoneFormats = {};
+    const isDirectionField = field.key.split(":").some((keyPart) => keyPart === "direction");
+    const formatFloat = _mainLocalizer.floatFormatter(_mainLocalizer.languageCode());
+    const parseLocaleFloat = _mainLocalizer.floatParser(_mainLocalizer.languageCode());
+    const countDecimalPlaces = _mainLocalizer.decimalPlaceCounter(_mainLocalizer.languageCode());
+    if (field.type === "tel") {
+      _mainFileFetcher.get("phone_formats").then(function(d) {
+        _phoneFormats = d;
+        updatePhonePlaceholder();
+      }).catch(function() {
+      });
+    }
+    function calcLocked() {
+      var isLocked = (field.id === "brand" || field.id === "network" || field.id === "operator" || field.id === "flag") && _entityIDs.length && _entityIDs.some(function(entityID) {
+        var entity = context.graph().hasEntity(entityID);
+        if (!entity)
+          return false;
+        if (entity.tags.wikidata)
+          return true;
+        var preset = _mainPresetIndex.match(entity, context.graph());
+        var isSuggestion = preset && preset.suggestion;
+        var which = field.id;
+        return isSuggestion && !!entity.tags[which] && !!entity.tags[which + ":wikidata"];
+      });
+      field.locked(isLocked);
+    }
+    function i2(selection2) {
+      calcLocked();
+      var isLocked = field.locked();
+      wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      input = wrap2.selectAll("input").data([0]);
+      input = input.enter().append("input").attr("type", field.type === "identifier" ? "text" : field.type).attr("id", field.domId).classed(field.type, true).call(utilNoAuto).merge(input);
+      input.classed("disabled", !!isLocked).attr("readonly", isLocked || null).on("input", change(true)).on("blur", change()).on("change", change());
+      wrap2.call(_lengthIndicator);
+      if (field.type === "tel") {
+        updatePhonePlaceholder();
+      } else if (field.type === "number") {
+        var rtl = _mainLocalizer.textDirection() === "rtl";
+        input.attr("type", "text");
+        var inc = field.increment;
+        var buttons = wrap2.selectAll(".increment, .decrement").data(rtl ? [inc, -inc] : [-inc, inc]);
+        buttons.enter().append("button").attr("class", function(d) {
+          var which = d > 0 ? "increment" : "decrement";
+          return "form-field-button " + which;
+        }).attr("title", function(d) {
+          var which = d > 0 ? "increment" : "decrement";
+          return _t(`inspector.${which}`);
+        }).merge(buttons).on("click", function(d3_event, d) {
+          d3_event.preventDefault();
+          var isMixed = Array.isArray(_tags[field.key]);
+          if (isMixed)
+            return;
+          var raw_vals = input.node().value || "0";
+          var vals = raw_vals.split(";");
+          vals = vals.map(function(v) {
+            v = v.trim();
+            const isRawNumber = likelyRawNumberFormat.test(v);
+            var num = isRawNumber ? parseFloat(v) : parseLocaleFloat(v);
+            if (isDirectionField) {
+              const compassDir = cardinal[v.toLowerCase()];
+              if (compassDir !== void 0) {
+                num = compassDir;
+              }
+            }
+            if (!isFinite(num))
+              return v;
+            num = parseFloat(num);
+            if (!isFinite(num))
+              return v;
+            num += d;
+            if (isDirectionField) {
+              num = (num % 360 + 360) % 360;
+            }
+            return formatFloat(clamped(num), isRawNumber ? v.includes(".") ? v.split(".")[1].length : 0 : countDecimalPlaces(v));
+          });
+          input.node().value = vals.join(";");
+          change()();
+        });
+      } else if (field.type === "identifier" && field.urlFormat && field.pattern) {
+        input.attr("type", "text");
+        outlinkButton = wrap2.selectAll(".foreign-id-permalink").data([0]);
+        outlinkButton.enter().append("button").call(svgIcon("#iD-icon-out-link")).attr("class", "form-field-button foreign-id-permalink").attr("title", function() {
+          var domainResults = /^https?:\/\/(.{1,}?)\//.exec(field.urlFormat);
+          if (domainResults.length >= 2 && domainResults[1]) {
+            var domain2 = domainResults[1];
+            return _t("icons.view_on", { domain: domain2 });
+          }
+          return "";
+        }).on("click", function(d3_event) {
+          d3_event.preventDefault();
+          var value = validIdentifierValueForLink();
+          if (value) {
+            var url = field.urlFormat.replace(/{value}/, encodeURIComponent(value));
+            window.open(url, "_blank");
+          }
+        }).merge(outlinkButton);
+      } else if (field.type === "url") {
+        input.attr("type", "text");
+        outlinkButton = wrap2.selectAll(".foreign-id-permalink").data([0]);
+        outlinkButton.enter().append("button").call(svgIcon("#iD-icon-out-link")).attr("class", "form-field-button foreign-id-permalink").attr("title", () => _t("icons.visit_website")).on("click", function(d3_event) {
+          d3_event.preventDefault();
+          const value = validIdentifierValueForLink();
+          if (value)
+            window.open(value, "_blank");
+        }).merge(outlinkButton);
+      } else if (field.type === "colour") {
+        input.attr("type", "text");
+        updateColourPreview();
+      } else if (field.type === "date") {
+        input.attr("type", "text");
+        updateDateField();
+      }
+    }
+    function updateColourPreview() {
+      function isColourValid(colour2) {
+        if (!colour2.match(/^(#([0-9a-fA-F]{3}){1,2}|\w+)$/)) {
+          return false;
+        } else if (!CSS.supports("color", colour2) || ["unset", "inherit", "initial", "revert"].includes(colour2)) {
+          return false;
+        }
+        return true;
+      }
+      wrap2.selectAll(".colour-preview").remove();
+      const colour = utilGetSetValue(input);
+      if (!isColourValid(colour) && colour !== "") {
+        wrap2.selectAll("input.colour-selector").remove();
+        wrap2.selectAll(".form-field-button").remove();
+        return;
+      }
+      var colourSelector = wrap2.selectAll(".colour-selector").data([0]);
+      colourSelector.enter().append("input").attr("type", "color").attr("class", "colour-selector").on("input", debounce_default(function(d3_event) {
+        d3_event.preventDefault();
+        var colour2 = this.value;
+        if (!isColourValid(colour2))
+          return;
+        utilGetSetValue(input, this.value);
+        change()();
+        updateColourPreview();
+      }, 100));
+      wrap2.selectAll("input.colour-selector").attr("value", colour);
+      var chooserButton = wrap2.selectAll(".colour-preview").data([colour]);
+      chooserButton = chooserButton.enter().append("div").attr("class", "form-field-button colour-preview").append("div").style("background-color", (d) => d).attr("class", "colour-box");
+      if (colour === "") {
+        chooserButton = chooserButton.call(svgIcon("#iD-icon-edit"));
+      }
+      chooserButton.on("click", () => wrap2.select(".colour-selector").node().showPicker());
+    }
+    function updateDateField() {
+      function isDateValid(date2) {
+        return date2.match(/^[0-9]{4}(-[0-9]{2}(-[0-9]{2})?)?$/);
+      }
+      const date = utilGetSetValue(input);
+      const now3 = /* @__PURE__ */ new Date();
+      const today = new Date(now3.getTime() - now3.getTimezoneOffset() * 6e4).toISOString().split("T")[0];
+      if ((field.key === "check_date" || field.key === "survey:date") && date !== today) {
+        wrap2.selectAll(".date-set-today").data([0]).enter().append("button").attr("class", "form-field-button date-set-today").call(svgIcon("#fas-rotate")).call(uiTooltip().title(() => _t.append("inspector.set_today"))).on("click", () => {
+          utilGetSetValue(input, today);
+          change()();
+          updateDateField();
+        });
+      } else {
+        wrap2.selectAll(".date-set-today").remove();
+      }
+      if (!isDateValid(date) && date !== "") {
+        wrap2.selectAll("input.date-selector").remove();
+        wrap2.selectAll(".date-calendar").remove();
+        return;
+      }
+      if (utilDetect().browser !== "Safari") {
+        var dateSelector = wrap2.selectAll(".date-selector").data([0]);
+        dateSelector.enter().append("input").attr("type", "date").attr("class", "date-selector").on("input", debounce_default(function(d3_event) {
+          d3_event.preventDefault();
+          var date2 = this.value;
+          if (!isDateValid(date2))
+            return;
+          utilGetSetValue(input, this.value);
+          change()();
+          updateDateField();
+        }, 100));
+        wrap2.selectAll("input.date-selector").attr("value", date);
+        var calendarButton = wrap2.selectAll(".date-calendar").data([date]);
+        calendarButton = calendarButton.enter().append("button").attr("class", "form-field-button date-calendar").call(svgIcon("#fas-calendar-days"));
+        calendarButton.on("click", () => wrap2.select(".date-selector").node().showPicker());
+      }
+    }
+    function updatePhonePlaceholder() {
+      if (input.empty() || !Object.keys(_phoneFormats).length)
+        return;
+      var extent = combinedEntityExtent();
+      var countryCode = extent && iso1A2Code(extent.center());
+      var format2 = countryCode && _phoneFormats[countryCode.toLowerCase()];
+      if (format2)
+        input.attr("placeholder", format2);
+    }
+    function validIdentifierValueForLink() {
+      const value = utilGetSetValue(input).trim();
+      if (field.type === "url" && value) {
+        try {
+          return new URL(value).href;
+        } catch (e) {
+          return null;
+        }
+      }
+      if (field.type === "identifier" && field.pattern) {
+        return value && value.match(new RegExp(field.pattern))[0];
+      }
+      return null;
+    }
+    function clamped(num) {
+      if (field.minValue !== void 0) {
+        num = Math.max(num, field.minValue);
+      }
+      if (field.maxValue !== void 0) {
+        num = Math.min(num, field.maxValue);
+      }
+      return num;
+    }
+    function getVals(tags) {
+      if (field.keys) {
+        const multiSelection = context.selectedIDs();
+        tags = multiSelection.length > 1 ? context.selectedIDs().map((id2) => context.graph().entity(id2)).map((entity) => entity.tags) : [tags];
+        return tags.map((tags2) => new Set(field.keys.reduce((acc, key) => acc.concat(tags2[key]), []).filter(Boolean))).map((vals) => vals.size === 0 ? /* @__PURE__ */ new Set([void 0]) : vals).reduce((a, b) => /* @__PURE__ */ new Set([...a, ...b]));
+      } else {
+        return new Set([].concat(tags[field.key]));
+      }
+    }
+    function change(onInput) {
+      return function() {
+        var t = {};
+        var val = utilGetSetValue(input);
+        if (!onInput)
+          val = context.cleanTagValue(val);
+        if (!val && getVals(_tags).size > 1)
+          return;
+        var displayVal = val;
+        if (field.type === "number" && val) {
+          var numbers2 = val.split(";");
+          numbers2 = numbers2.map(function(v) {
+            if (likelyRawNumberFormat.test(v)) {
+              return v;
+            }
+            var num = parseLocaleFloat(v);
+            const fractionDigits = countDecimalPlaces(v);
+            return isFinite(num) ? clamped(num).toFixed(fractionDigits) : v;
+          });
+          val = numbers2.join(";");
+        }
+        if (!onInput)
+          utilGetSetValue(input, displayVal);
+        t[field.key] = val || void 0;
+        if (field.keys) {
+          dispatch10.call("change", this, (tags) => {
+            if (field.keys.some((key) => tags[key])) {
+              field.keys.filter((key) => tags[key]).forEach((key) => {
+                tags[key] = val || void 0;
+              });
+            } else {
+              tags[field.key] = val || void 0;
+            }
+            return tags;
+          }, onInput);
+        } else {
+          dispatch10.call("change", this, t, onInput);
+        }
+      };
+    }
+    i2.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return i2;
+    };
+    i2.tags = function(tags) {
+      _tags = tags;
+      const vals = getVals(tags);
+      const isMixed = vals.size > 1;
+      var val = vals.size === 1 ? [...vals][0] : "";
+      var shouldUpdate;
+      if (field.type === "number" && val) {
+        var numbers2 = val.split(";");
+        var oriNumbers = utilGetSetValue(input).split(";");
+        if (numbers2.length !== oriNumbers.length)
+          shouldUpdate = true;
+        numbers2 = numbers2.map(function(v) {
+          v = v.trim();
+          var num = Number(v);
+          if (!isFinite(num) || v === "")
+            return v;
+          const fractionDigits = v.includes(".") ? v.split(".")[1].length : 0;
+          return formatFloat(num, fractionDigits);
+        });
+        val = numbers2.join(";");
+        shouldUpdate = (inputValue, setValue) => {
+          const inputNums = inputValue.split(";").map(
+            (setVal) => likelyRawNumberFormat.test(setVal) ? parseFloat(setVal) : parseLocaleFloat(setVal)
+          );
+          const setNums = setValue.split(";").map(parseLocaleFloat);
+          return !isEqual_default(inputNums, setNums);
+        };
+      }
+      utilGetSetValue(input, val, shouldUpdate).attr("title", isMixed ? [...vals].join("\n") : void 0).attr("placeholder", isMixed ? _t("inspector.multiple_values") : field.placeholder() || _t("inspector.unknown")).classed("mixed", isMixed);
+      if (field.type === "number") {
+        const buttons = wrap2.selectAll(".increment, .decrement");
+        if (isMixed) {
+          buttons.attr("disabled", "disabled").classed("disabled", true);
+        } else {
+          var raw_vals = tags[field.key] || "0";
+          const canIncDec = raw_vals.split(";").some((val2) => isFinite(Number(val2)) || isDirectionField && cardinal[val2.trim().toLowerCase()]);
+          buttons.attr("disabled", canIncDec ? null : "disabled").classed("disabled", !canIncDec);
+        }
+      }
+      if (field.type === "tel")
+        updatePhonePlaceholder();
+      if (field.type === "colour")
+        updateColourPreview();
+      if (field.type === "date")
+        updateDateField();
+      if (outlinkButton && !outlinkButton.empty()) {
+        var disabled = !validIdentifierValueForLink();
+        outlinkButton.classed("disabled", disabled);
+      }
+      if (!isMixed) {
+        _lengthIndicator.update(tags[field.key]);
+      }
+    };
+    i2.focus = function() {
+      var node = input.node();
+      if (node)
+        node.focus();
+    };
+    function combinedEntityExtent() {
+      return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
+    }
+    return utilRebind(i2, dispatch10, "on");
+  }
+
+  // modules/ui/fields/access.js
+  function uiFieldAccess(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var items = select_default2(null);
+    var _tags;
+    function access(selection2) {
+      var wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      var list = wrap2.selectAll("ul").data([0]);
+      list = list.enter().append("ul").attr("class", "rows").merge(list);
+      items = list.selectAll("li").data(field.keys);
+      var enter = items.enter().append("li").attr("class", function(d) {
+        return "labeled-input preset-access-" + d;
+      });
+      enter.append("span").attr("class", "label preset-label-access").attr("for", function(d) {
+        return "preset-input-access-" + d;
+      }).html(function(d) {
+        return field.t.html("types." + d);
+      });
+      enter.append("div").attr("class", "preset-input-access-wrap").append("input").attr("type", "text").attr("class", function(d) {
+        return "preset-input-access preset-input-access-" + d;
+      }).call(utilNoAuto).each(function(d) {
+        select_default2(this).call(
+          uiCombobox(context, "access-" + d).data(access.options(d))
+        );
+      });
+      items = items.merge(enter);
+      wrap2.selectAll(".preset-input-access").on("change", change).on("blur", change);
+    }
+    function change(d3_event, d) {
+      var tag = {};
+      var value = context.cleanTagValue(utilGetSetValue(select_default2(this)));
+      if (!value && typeof _tags[d] !== "string")
+        return;
+      tag[d] = value || void 0;
+      dispatch10.call("change", this, tag);
+    }
+    access.options = function(type2) {
+      var options2 = [
+        "yes",
+        "no",
+        "designated",
+        "permissive",
+        "destination",
+        "customers",
+        "private",
+        "permit",
+        "unknown"
+      ];
+      if (type2 === "access") {
+        options2 = options2.filter((v) => v !== "yes" && v !== "designated");
+      }
+      if (type2 === "bicycle") {
+        options2.splice(options2.length - 4, 0, "dismount");
+      }
+      var stringsField = field.resolveReference("stringsCrossReference");
+      return options2.map(function(option) {
+        return {
+          title: stringsField.t("options." + option + ".description"),
+          value: option
+        };
+      });
+    };
+    const placeholdersByTag = {
+      highway: {
+        footway: {
+          foot: "designated",
+          motor_vehicle: "no"
+        },
+        steps: {
+          foot: "yes",
+          motor_vehicle: "no",
+          bicycle: "no",
+          horse: "no"
+        },
+        pedestrian: {
+          foot: "yes",
+          motor_vehicle: "no"
+        },
+        cycleway: {
+          motor_vehicle: "no",
+          bicycle: "designated"
+        },
+        bridleway: {
+          motor_vehicle: "no",
+          horse: "designated"
+        },
+        path: {
+          foot: "yes",
+          motor_vehicle: "no",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        motorway: {
+          foot: "no",
+          motor_vehicle: "yes",
+          bicycle: "no",
+          horse: "no"
+        },
+        trunk: {
+          motor_vehicle: "yes"
+        },
+        primary: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        secondary: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        tertiary: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        residential: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        unclassified: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        service: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        motorway_link: {
+          foot: "no",
+          motor_vehicle: "yes",
+          bicycle: "no",
+          horse: "no"
+        },
+        trunk_link: {
+          motor_vehicle: "yes"
+        },
+        primary_link: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        secondary_link: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        tertiary_link: {
+          foot: "yes",
+          motor_vehicle: "yes",
+          bicycle: "yes",
+          horse: "yes"
+        },
+        construction: {
+          access: "no"
+        }
+      },
+      barrier: {
+        bollard: {
+          access: "no",
+          bicycle: "yes",
+          foot: "yes"
+        },
+        bus_trap: {
+          motor_vehicle: "no",
+          psv: "yes",
+          foot: "yes",
+          bicycle: "yes"
+        },
+        city_wall: {
+          access: "no"
+        },
+        coupure: {
+          access: "yes"
+        },
+        cycle_barrier: {
+          motor_vehicle: "no"
+        },
+        ditch: {
+          access: "no"
+        },
+        entrance: {
+          access: "yes"
+        },
+        fence: {
+          access: "no"
+        },
+        hedge: {
+          access: "no"
+        },
+        jersey_barrier: {
+          access: "no"
+        },
+        motorcycle_barrier: {
+          motor_vehicle: "no"
+        },
+        rail_guard: {
+          access: "no"
+        }
+      }
+    };
+    access.tags = function(tags) {
+      _tags = tags;
+      utilGetSetValue(items.selectAll(".preset-input-access"), function(d) {
+        return typeof tags[d] === "string" ? tags[d] : "";
+      }).classed("mixed", function(d) {
+        return tags[d] && Array.isArray(tags[d]);
+      }).attr("title", function(d) {
+        return tags[d] && Array.isArray(tags[d]) && tags[d].filter(Boolean).join("\n");
+      }).attr("placeholder", function(d) {
+        if (tags[d] && Array.isArray(tags[d])) {
+          return _t("inspector.multiple_values");
+        }
+        if (d === "bicycle" || d === "motor_vehicle") {
+          if (tags.vehicle && typeof tags.vehicle === "string") {
+            return tags.vehicle;
+          }
+        }
+        if (tags.access && typeof tags.access === "string") {
+          return tags.access;
+        }
+        function getPlaceholdersByTag(key, placeholdersByKey) {
+          if (typeof tags[key] === "string") {
+            if (placeholdersByKey[tags[key]] && placeholdersByKey[tags[key]][d]) {
+              return placeholdersByKey[tags[key]][d];
+            }
+          } else {
+            var impliedAccesses = tags[key].filter(Boolean).map(function(val) {
+              return placeholdersByKey[val] && placeholdersByKey[val][d];
+            }).filter(Boolean);
+            if (impliedAccesses.length === tags[key].length && new Set(impliedAccesses).size === 1) {
+              return impliedAccesses[0];
+            }
+          }
+        }
+        for (const key in placeholdersByTag) {
+          if (tags[key]) {
+            const impliedAccess = getPlaceholdersByTag(key, placeholdersByTag[key]);
+            if (impliedAccess) {
+              return impliedAccess;
+            }
+          }
+        }
+        if (d === "access" && !tags.barrier) {
+          return "yes";
+        }
+        return field.placeholder();
+      });
+    };
+    access.focus = function() {
+      items.selectAll(".preset-input-access").node().focus();
+    };
+    return utilRebind(access, dispatch10, "on");
+  }
+
+  // modules/ui/fields/address.js
+  function uiFieldAddress(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var _selection = select_default2(null);
+    var _wrap = select_default2(null);
+    var addrField = _mainPresetIndex.field("address");
+    var _entityIDs = [];
+    var _tags;
+    var _countryCode;
+    var _addressFormats = [{
+      format: [
+        ["housenumber", "street"],
+        ["city", "postcode"]
+      ]
+    }];
+    _mainFileFetcher.get("address_formats").then(function(d) {
+      _addressFormats = d;
+      if (!_selection.empty()) {
+        _selection.call(address);
+      }
+    }).catch(function() {
+    });
+    function getNear(isAddressable, type2, searchRadius, resultProp) {
+      var extent = combinedEntityExtent();
+      var l = extent.center();
+      var box = geoExtent(l).padByMeters(searchRadius);
+      var features = context.history().intersects(box).filter(isAddressable).map((d) => {
+        let dist = geoSphericalDistance(d.extent(context.graph()).center(), l);
+        if (d.type === "way") {
+          var loc = context.projection([
+            (extent[0][0] + extent[1][0]) / 2,
+            (extent[0][1] + extent[1][1]) / 2
+          ]);
+          var choice = geoChooseEdge(context.graph().childNodes(d), loc, context.projection);
+          dist = Math.min(dist, choice.distance);
+        }
+        const value = resultProp && d.tags[resultProp] ? d.tags[resultProp] : d.tags.name;
+        let title = value;
+        if (type2 === "street") {
+          title = `${addrField.t("placeholders.street")}: ${title}`;
+        } else if (type2 === "place") {
+          title = `${addrField.t("placeholders.place")}: ${title}`;
+        }
+        return {
+          title,
+          value,
+          dist,
+          type: type2,
+          klass: `address-${type2}`
+        };
+      }).sort(function(a, b) {
+        return a.dist - b.dist;
+      });
+      return utilArrayUniqBy(features, "value");
+    }
+    function getNearStreets() {
+      function isAddressable(d) {
+        return d.tags.highway && d.tags.name && d.type === "way";
+      }
+      return getNear(isAddressable, "street", 200);
+    }
+    function getNearPlaces() {
+      function isAddressable(d) {
+        if (d.tags.name) {
+          if (d.tags.place)
+            return true;
+          if (d.tags.boundary === "administrative" && d.tags.admin_level > 8)
+            return true;
+        }
+        return false;
+      }
+      return getNear(isAddressable, "place", 200);
+    }
+    function getNearCities() {
+      function isAddressable(d) {
+        if (d.tags.name) {
+          if (d.tags.boundary === "administrative" && d.tags.admin_level === "8")
+            return true;
+          if (d.tags.border_type === "city")
+            return true;
+          if (d.tags.place === "city" || d.tags.place === "town" || d.tags.place === "village")
+            return true;
+        }
+        if (d.tags[`${field.key}:city`])
+          return true;
+        return false;
+      }
+      return getNear(isAddressable, "city", 200, `${field.key}:city`);
+    }
+    function getNearPostcodes() {
+      return [...new Set([].concat(getNearValues("postcode")).concat(getNear((d) => d.tags.postal_code, "postcode", 200, "postal_code")))];
+    }
+    function getNearValues(key) {
+      const tagKey = `${field.key}:${key}`;
+      function hasTag(d) {
+        return _entityIDs.indexOf(d.id) === -1 && d.tags[tagKey];
+      }
+      return getNear(hasTag, key, 200, tagKey);
+    }
+    function updateForCountryCode() {
+      if (!_countryCode)
+        return;
+      var addressFormat;
+      for (var i2 = 0; i2 < _addressFormats.length; i2++) {
+        var format2 = _addressFormats[i2];
+        if (!format2.countryCodes) {
+          addressFormat = format2;
+        } else if (format2.countryCodes.indexOf(_countryCode) !== -1) {
+          addressFormat = format2;
+          break;
+        }
+      }
+      var dropdowns = addressFormat.dropdowns || [
+        "city",
+        "county",
+        "country",
+        "district",
+        "hamlet",
+        "neighbourhood",
+        "place",
+        "postcode",
+        "province",
+        "quarter",
+        "state",
+        "street",
+        "street+place",
+        "subdistrict",
+        "suburb"
+      ];
+      var widths = addressFormat.widths || {
+        housenumber: 1 / 5,
+        unit: 1 / 5,
+        street: 1 / 2,
+        place: 1 / 2,
+        city: 2 / 3,
+        state: 1 / 4,
+        postcode: 1 / 3
+      };
+      function row(r) {
+        var total = r.reduce(function(sum, key) {
+          return sum + (widths[key] || 0.5);
+        }, 0);
+        return r.map(function(key) {
+          return {
+            id: key,
+            width: (widths[key] || 0.5) / total
+          };
+        });
+      }
+      var rows = _wrap.selectAll(".addr-row").data(addressFormat.format, function(d) {
+        return d.toString();
+      });
+      rows.exit().remove();
+      rows.enter().append("div").attr("class", "addr-row").selectAll("input").data(row).enter().append("input").property("type", "text").call(updatePlaceholder).attr("class", function(d) {
+        return "addr-" + d.id;
+      }).call(utilNoAuto).each(addDropdown).style("width", function(d) {
+        return d.width * 100 + "%";
+      });
+      function addDropdown(d) {
+        if (dropdowns.indexOf(d.id) === -1)
+          return;
+        var nearValues;
+        switch (d.id) {
+          case "street":
+            nearValues = getNearStreets;
+            break;
+          case "place":
+            nearValues = getNearPlaces;
+            break;
+          case "street+place":
+            nearValues = () => [].concat(getNearStreets()).concat(getNearPlaces());
+            d.isAutoStreetPlace = true;
+            d.id = _tags[`${field.key}:place`] ? "place" : "street";
+            break;
+          case "city":
+            nearValues = getNearCities;
+            break;
+          case "postcode":
+            nearValues = getNearPostcodes;
+            break;
+          default:
+            nearValues = getNearValues;
+        }
+        select_default2(this).call(
+          uiCombobox(context, `address-${d.isAutoStreetPlace ? "street-place" : d.id}`).minItems(1).caseSensitive(true).fetcher(function(typedValue, callback) {
+            typedValue = typedValue.toLowerCase();
+            callback(nearValues(d.id).filter((v) => v.value.toLowerCase().indexOf(typedValue) !== -1));
+          }).on("accept", function(selected) {
+            if (d.isAutoStreetPlace) {
+              d.id = selected ? selected.type : "street";
+            }
+          })
+        );
+      }
+      _wrap.selectAll("input").on("blur", change()).on("change", change());
+      _wrap.selectAll("input:not(.combobox-input)").on("input", change(true));
+      if (_tags)
+        updateTags(_tags);
+    }
+    function address(selection2) {
+      _selection = selection2;
+      _wrap = selection2.selectAll(".form-field-input-wrap").data([0]);
+      _wrap = _wrap.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(_wrap);
+      var extent = combinedEntityExtent();
+      if (extent) {
+        var countryCode;
+        if (context.inIntro()) {
+          countryCode = _t("intro.graph.countrycode");
+        } else {
+          var center = extent.center();
+          countryCode = iso1A2Code(center);
+        }
+        if (countryCode) {
+          _countryCode = countryCode.toLowerCase();
+          updateForCountryCode();
+        }
+      }
+    }
+    function change(onInput) {
+      return function() {
+        setTimeout(() => {
+          var tags = {};
+          _wrap.selectAll("input").each(function(subfield) {
+            var key = field.key + ":" + subfield.id;
+            var value = this.value;
+            if (!onInput)
+              value = context.cleanTagValue(value);
+            if (Array.isArray(_tags[key]) && !value)
+              return;
+            if (subfield.isAutoStreetPlace) {
+              if (subfield.id === "street") {
+                tags[`${field.key}:place`] = void 0;
+              } else if (subfield.id === "place") {
+                tags[`${field.key}:street`] = void 0;
+              }
+            }
+            tags[key] = value || void 0;
+          });
+          dispatch10.call("change", this, tags, onInput);
+        }, 0);
+      };
+    }
+    function updatePlaceholder(inputSelection) {
+      return inputSelection.attr("placeholder", function(subfield) {
+        if (_tags && Array.isArray(_tags[field.key + ":" + subfield.id])) {
+          return _t("inspector.multiple_values");
+        }
+        if (subfield.isAutoStreetPlace) {
+          return `${getLocalPlaceholder("street")} / ${getLocalPlaceholder("place")}`;
+        }
+        return getLocalPlaceholder(subfield.id);
+      });
+    }
+    function getLocalPlaceholder(key) {
+      if (_countryCode) {
+        var localkey = key + "!" + _countryCode;
+        var tkey = addrField.hasTextForStringId("placeholders." + localkey) ? localkey : key;
+        return addrField.t("placeholders." + tkey);
+      }
+    }
+    function updateTags(tags) {
+      utilGetSetValue(_wrap.selectAll("input"), (subfield) => {
+        var val;
+        if (subfield.isAutoStreetPlace) {
+          const streetKey = `${field.key}:street`;
+          const placeKey = `${field.key}:place`;
+          if (tags[streetKey] !== void 0 || tags[placeKey] === void 0) {
+            val = tags[streetKey];
+            subfield.id = "street";
+          } else {
+            val = tags[placeKey];
+            subfield.id = "place";
+          }
+        } else {
+          val = tags[`${field.key}:${subfield.id}`];
+        }
+        return typeof val === "string" ? val : "";
+      }).attr("title", function(subfield) {
+        var val = tags[field.key + ":" + subfield.id];
+        return val && Array.isArray(val) ? val.filter(Boolean).join("\n") : void 0;
+      }).classed("mixed", function(subfield) {
+        return Array.isArray(tags[field.key + ":" + subfield.id]);
+      }).call(updatePlaceholder);
+    }
+    function combinedEntityExtent() {
+      return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
+    }
+    address.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return address;
+    };
+    address.tags = function(tags) {
+      _tags = tags;
+      updateTags(tags);
+    };
+    address.focus = function() {
+      var node = _wrap.selectAll("input").node();
+      if (node)
+        node.focus();
+    };
+    return utilRebind(address, dispatch10, "on");
+  }
+
+  // modules/ui/fields/directional_combo.js
+  function uiFieldDirectionalCombo(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var items = select_default2(null);
+    var wrap2 = select_default2(null);
+    var _tags;
+    var _combos = {};
+    if (field.type === "cycleway") {
+      field = {
+        ...field,
+        key: field.keys[0],
+        keys: field.keys.slice(1)
+      };
+    }
+    function directionalCombo(selection2) {
+      function stripcolon(s) {
+        return s.replace(":", "");
+      }
+      wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      var div = wrap2.selectAll("ul").data([0]);
+      div = div.enter().append("ul").attr("class", "rows").merge(div);
+      items = div.selectAll("li").data(field.keys);
+      var enter = items.enter().append("li").attr("class", function(d) {
+        return "labeled-input preset-directionalcombo-" + stripcolon(d);
+      });
+      enter.append("span").attr("class", "label preset-label-directionalcombo").attr("for", function(d) {
+        return "preset-input-directionalcombo-" + stripcolon(d);
+      }).html(function(d) {
+        return field.t.html("types." + d);
+      });
+      enter.append("div").attr("class", "preset-input-directionalcombo-wrap form-field-input-wrap").each(function(key) {
+        const subField = {
+          ...field,
+          type: "combo",
+          key
+        };
+        const combo = uiFieldCombo(subField, context);
+        combo.on("change", (t) => change(key, t[key]));
+        _combos[key] = combo;
+        select_default2(this).call(combo);
+      });
+      items = items.merge(enter);
+      wrap2.selectAll(".preset-input-directionalcombo").on("change", change).on("blur", change);
+    }
+    function change(key, newValue) {
+      const commonKey = field.key;
+      const otherKey = key === field.keys[0] ? field.keys[1] : field.keys[0];
+      dispatch10.call("change", this, (tags) => {
+        const otherValue = tags[otherKey] || tags[commonKey];
+        if (newValue === otherValue) {
+          tags[commonKey] = newValue;
+          delete tags[key];
+          delete tags[otherKey];
+        } else {
+          tags[key] = newValue;
+          delete tags[commonKey];
+          tags[otherKey] = otherValue;
+        }
+        return tags;
+      });
+    }
+    directionalCombo.tags = function(tags) {
+      _tags = tags;
+      const commonKey = field.key;
+      for (let key in _combos) {
+        const uniqueValues = [...new Set([].concat(_tags[commonKey]).concat(_tags[key]).filter(Boolean))];
+        _combos[key].tags({ [key]: uniqueValues.length > 1 ? uniqueValues : uniqueValues[0] });
+      }
+    };
+    directionalCombo.focus = function() {
+      var node = wrap2.selectAll("input").node();
+      if (node)
+        node.focus();
+    };
+    return utilRebind(directionalCombo, dispatch10, "on");
+  }
+
+  // modules/ui/fields/lanes.js
+  function uiFieldLanes(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var LANE_WIDTH = 40;
+    var LANE_HEIGHT = 200;
+    var _entityIDs = [];
+    function lanes(selection2) {
+      var lanesData = context.entity(_entityIDs[0]).lanes();
+      if (!context.container().select(".inspector-wrap.inspector-hidden").empty() || !selection2.node().parentNode) {
+        selection2.call(lanes.off);
+        return;
+      }
+      var wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      var surface = wrap2.selectAll(".surface").data([0]);
+      var d = utilGetDimensions(wrap2);
+      var freeSpace = d[0] - lanesData.lanes.length * LANE_WIDTH * 1.5 + LANE_WIDTH * 0.5;
+      surface = surface.enter().append("svg").attr("width", d[0]).attr("height", 300).attr("class", "surface").merge(surface);
+      var lanesSelection = surface.selectAll(".lanes").data([0]);
+      lanesSelection = lanesSelection.enter().append("g").attr("class", "lanes").merge(lanesSelection);
+      lanesSelection.attr("transform", function() {
+        return "translate(" + freeSpace / 2 + ", 0)";
+      });
+      var lane = lanesSelection.selectAll(".lane").data(lanesData.lanes);
+      lane.exit().remove();
+      var enter = lane.enter().append("g").attr("class", "lane");
+      enter.append("g").append("rect").attr("y", 50).attr("width", LANE_WIDTH).attr("height", LANE_HEIGHT);
+      enter.append("g").attr("class", "forward").append("text").attr("y", 40).attr("x", 14).text("\u25B2");
+      enter.append("g").attr("class", "bothways").append("text").attr("y", 40).attr("x", 14).text("\u25B2\u25BC");
+      enter.append("g").attr("class", "backward").append("text").attr("y", 40).attr("x", 14).text("\u25BC");
+      lane = lane.merge(enter);
+      lane.attr("transform", function(d2) {
+        return "translate(" + LANE_WIDTH * d2.index * 1.5 + ", 0)";
+      });
+      lane.select(".forward").style("visibility", function(d2) {
+        return d2.direction === "forward" ? "visible" : "hidden";
+      });
+      lane.select(".bothways").style("visibility", function(d2) {
+        return d2.direction === "bothways" ? "visible" : "hidden";
+      });
+      lane.select(".backward").style("visibility", function(d2) {
+        return d2.direction === "backward" ? "visible" : "hidden";
+      });
+    }
+    lanes.entityIDs = function(val) {
+      _entityIDs = val;
+    };
+    lanes.tags = function() {
+    };
+    lanes.focus = function() {
+    };
+    lanes.off = function() {
+    };
+    return utilRebind(lanes, dispatch10, "on");
+  }
+  uiFieldLanes.supportsMultiselection = false;
+
+  // modules/ui/fields/localized.js
+  var _languagesArray = [];
+  function uiFieldLocalized(field, context) {
+    var dispatch10 = dispatch_default("change", "input");
+    var wikipedia = services.wikipedia;
+    var input = select_default2(null);
+    var localizedInputs = select_default2(null);
+    var _lengthIndicator = uiLengthIndicator(context.maxCharsForTagValue());
+    var _countryCode;
+    var _tags;
+    _mainFileFetcher.get("languages").then(loadLanguagesArray).catch(function() {
+    });
+    var _territoryLanguages = {};
+    _mainFileFetcher.get("territory_languages").then(function(d) {
+      _territoryLanguages = d;
+    }).catch(function() {
+    });
+    var langCombo = uiCombobox(context, "localized-lang").fetcher(fetchLanguages).minItems(0);
+    var _selection = select_default2(null);
+    var _multilingual = [];
+    var _buttonTip = uiTooltip().title(() => _t.append("translate.translate")).placement("left");
+    var _wikiTitles;
+    var _entityIDs = [];
+    function loadLanguagesArray(dataLanguages) {
+      if (_languagesArray.length !== 0)
+        return;
+      var replacements = {
+        sr: "sr-Cyrl",
+        // in OSM, `sr` implies Cyrillic
+        "sr-Cyrl": false
+        // `sr-Cyrl` isn't used in OSM
+      };
+      for (var code in dataLanguages) {
+        if (replacements[code] === false)
+          continue;
+        var metaCode = code;
+        if (replacements[code])
+          metaCode = replacements[code];
+        _languagesArray.push({
+          localName: _mainLocalizer.languageName(metaCode, { localOnly: true }),
+          nativeName: dataLanguages[metaCode].nativeName,
+          code,
+          label: _mainLocalizer.languageName(metaCode)
+        });
+      }
+    }
+    function calcLocked() {
+      var isLocked = field.id === "name" && _entityIDs.length && _entityIDs.some(function(entityID) {
+        var entity = context.graph().hasEntity(entityID);
+        if (!entity)
+          return false;
+        if (entity.tags.wikidata)
+          return true;
+        if (entity.tags["name:etymology:wikidata"])
+          return true;
+        var preset = _mainPresetIndex.match(entity, context.graph());
+        if (preset) {
+          var isSuggestion = preset.suggestion;
+          var fields = preset.fields(entity.extent(context.graph()).center());
+          var showsBrandField = fields.some(function(d) {
+            return d.id === "brand";
+          });
+          var showsOperatorField = fields.some(function(d) {
+            return d.id === "operator";
+          });
+          var setsName = preset.addTags.name;
+          var setsBrandWikidata = preset.addTags["brand:wikidata"];
+          var setsOperatorWikidata = preset.addTags["operator:wikidata"];
+          return isSuggestion && setsName && (setsBrandWikidata && !showsBrandField || setsOperatorWikidata && !showsOperatorField);
+        }
+        return false;
+      });
+      field.locked(isLocked);
+    }
+    function calcMultilingual(tags) {
+      var existingLangsOrdered = _multilingual.map(function(item2) {
+        return item2.lang;
+      });
+      var existingLangs = new Set(existingLangsOrdered.filter(Boolean));
+      for (var k in tags) {
+        var m = k.match(/^(.*):([a-z]{2,3}(?:-[A-Z][a-z]{3})?(?:-[A-Z]{2})?)$/);
+        if (m && m[1] === field.key && m[2]) {
+          var item = { lang: m[2], value: tags[k] };
+          if (existingLangs.has(item.lang)) {
+            _multilingual[existingLangsOrdered.indexOf(item.lang)].value = item.value;
+            existingLangs.delete(item.lang);
+          } else {
+            _multilingual.push(item);
+          }
+        }
+      }
+      _multilingual.forEach(function(item2) {
+        if (item2.lang && existingLangs.has(item2.lang)) {
+          item2.value = "";
+        }
+      });
+    }
+    function localized(selection2) {
+      _selection = selection2;
+      calcLocked();
+      var isLocked = field.locked();
+      var wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      input = wrap2.selectAll(".localized-main").data([0]);
+      input = input.enter().append("input").attr("type", "text").attr("id", field.domId).attr("class", "localized-main").call(utilNoAuto).merge(input);
+      input.classed("disabled", !!isLocked).attr("readonly", isLocked || null).on("input", change(true)).on("blur", change()).on("change", change());
+      wrap2.call(_lengthIndicator);
+      var translateButton = wrap2.selectAll(".localized-add").data([0]);
+      translateButton = translateButton.enter().append("button").attr("class", "localized-add form-field-button").attr("aria-label", _t("icons.plus")).call(svgIcon("#iD-icon-plus")).merge(translateButton);
+      translateButton.classed("disabled", !!isLocked).call(isLocked ? _buttonTip.destroy : _buttonTip).on("click", addNew);
+      if (_tags && !_multilingual.length) {
+        calcMultilingual(_tags);
+      }
+      localizedInputs = selection2.selectAll(".localized-multilingual").data([0]);
+      localizedInputs = localizedInputs.enter().append("div").attr("class", "localized-multilingual").merge(localizedInputs);
+      localizedInputs.call(renderMultilingual);
+      localizedInputs.selectAll("button, input").classed("disabled", !!isLocked).attr("readonly", isLocked || null);
+      selection2.selectAll(".combobox-caret").classed("nope", true);
+      function addNew(d3_event) {
+        d3_event.preventDefault();
+        if (field.locked())
+          return;
+        var defaultLang = _mainLocalizer.languageCode().toLowerCase();
+        var langExists = _multilingual.find(function(datum2) {
+          return datum2.lang === defaultLang;
+        });
+        var isLangEn = defaultLang.indexOf("en") > -1;
+        if (isLangEn || langExists) {
+          defaultLang = "";
+          langExists = _multilingual.find(function(datum2) {
+            return datum2.lang === defaultLang;
+          });
+        }
+        if (!langExists) {
+          _multilingual.unshift({ lang: defaultLang, value: "" });
+          localizedInputs.call(renderMultilingual);
+        }
+      }
+      function change(onInput) {
+        return function(d3_event) {
+          if (field.locked()) {
+            d3_event.preventDefault();
+            return;
+          }
+          var val = utilGetSetValue(select_default2(this));
+          if (!onInput)
+            val = context.cleanTagValue(val);
+          if (!val && Array.isArray(_tags[field.key]))
+            return;
+          var t = {};
+          t[field.key] = val || void 0;
+          dispatch10.call("change", this, t, onInput);
+        };
+      }
+    }
+    function key(lang) {
+      return field.key + ":" + lang;
+    }
+    function changeLang(d3_event, d) {
+      var tags = {};
+      var lang = utilGetSetValue(select_default2(this)).toLowerCase();
+      var language = _languagesArray.find(function(d2) {
+        return d2.label.toLowerCase() === lang || d2.localName && d2.localName.toLowerCase() === lang || d2.nativeName && d2.nativeName.toLowerCase() === lang;
+      });
+      if (language)
+        lang = language.code;
+      if (d.lang && d.lang !== lang) {
+        tags[key(d.lang)] = void 0;
+      }
+      var newKey = lang && context.cleanTagKey(key(lang));
+      var value = utilGetSetValue(select_default2(this.parentNode).selectAll(".localized-value"));
+      if (newKey && value) {
+        tags[newKey] = value;
+      } else if (newKey && _wikiTitles && _wikiTitles[d.lang]) {
+        tags[newKey] = _wikiTitles[d.lang];
+      }
+      d.lang = lang;
+      dispatch10.call("change", this, tags);
+    }
+    function changeValue(d3_event, d) {
+      if (!d.lang)
+        return;
+      var value = context.cleanTagValue(utilGetSetValue(select_default2(this))) || void 0;
+      if (!value && Array.isArray(d.value))
+        return;
+      var t = {};
+      t[key(d.lang)] = value;
+      d.value = value;
+      dispatch10.call("change", this, t);
+    }
+    function fetchLanguages(value, cb) {
+      var v = value.toLowerCase();
+      var langCodes = [_mainLocalizer.localeCode(), _mainLocalizer.languageCode()];
+      if (_countryCode && _territoryLanguages[_countryCode]) {
+        langCodes = langCodes.concat(_territoryLanguages[_countryCode]);
+      }
+      var langItems = [];
+      langCodes.forEach(function(code) {
+        var langItem = _languagesArray.find(function(item) {
+          return item.code === code;
+        });
+        if (langItem)
+          langItems.push(langItem);
+      });
+      langItems = utilArrayUniq(langItems.concat(_languagesArray));
+      cb(langItems.filter(function(d) {
+        return d.label.toLowerCase().indexOf(v) >= 0 || d.localName && d.localName.toLowerCase().indexOf(v) >= 0 || d.nativeName && d.nativeName.toLowerCase().indexOf(v) >= 0 || d.code.toLowerCase().indexOf(v) >= 0;
+      }).map(function(d) {
+        return { value: d.label };
+      }));
+    }
+    function renderMultilingual(selection2) {
+      var entries = selection2.selectAll("div.entry").data(_multilingual, function(d) {
+        return d.lang;
+      });
+      entries.exit().style("top", "0").style("max-height", "240px").transition().duration(200).style("opacity", "0").style("max-height", "0px").remove();
+      var entriesEnter = entries.enter().append("div").attr("class", "entry").each(function(_, index) {
+        var wrap2 = select_default2(this);
+        var domId = utilUniqueDomId(index);
+        var label = wrap2.append("label").attr("class", "field-label").attr("for", domId);
+        var text2 = label.append("span").attr("class", "label-text");
+        text2.append("span").attr("class", "label-textvalue").call(_t.append("translate.localized_translation_label"));
+        text2.append("span").attr("class", "label-textannotation");
+        label.append("button").attr("class", "remove-icon-multilingual").attr("title", _t("icons.remove")).on("click", function(d3_event, d) {
+          if (field.locked())
+            return;
+          d3_event.preventDefault();
+          _multilingual.splice(_multilingual.indexOf(d), 1);
+          var langKey = d.lang && key(d.lang);
+          if (langKey && langKey in _tags) {
+            delete _tags[langKey];
+            var t = {};
+            t[langKey] = void 0;
+            dispatch10.call("change", this, t);
+            return;
+          }
+          renderMultilingual(selection2);
+        }).call(svgIcon("#iD-operation-delete"));
+        wrap2.append("input").attr("class", "localized-lang").attr("id", domId).attr("type", "text").attr("placeholder", _t("translate.localized_translation_language")).on("blur", changeLang).on("change", changeLang).call(langCombo);
+        wrap2.append("input").attr("type", "text").attr("class", "localized-value").on("blur", changeValue).on("change", changeValue);
+      });
+      entriesEnter.style("margin-top", "0px").style("max-height", "0px").style("opacity", "0").transition().duration(200).style("margin-top", "10px").style("max-height", "240px").style("opacity", "1").on("end", function() {
+        select_default2(this).style("max-height", "").style("overflow", "visible");
+      });
+      entries = entries.merge(entriesEnter);
+      entries.order();
+      entries.classed("present", true);
+      utilGetSetValue(entries.select(".localized-lang"), function(d) {
+        var langItem = _languagesArray.find(function(item) {
+          return item.code === d.lang;
+        });
+        if (langItem)
+          return langItem.label;
+        return d.lang;
+      });
+      utilGetSetValue(entries.select(".localized-value"), function(d) {
+        return typeof d.value === "string" ? d.value : "";
+      }).attr("title", function(d) {
+        return Array.isArray(d.value) ? d.value.filter(Boolean).join("\n") : null;
+      }).attr("placeholder", function(d) {
+        return Array.isArray(d.value) ? _t("inspector.multiple_values") : _t("translate.localized_translation_name");
+      }).classed("mixed", function(d) {
+        return Array.isArray(d.value);
+      });
+    }
+    localized.tags = function(tags) {
+      _tags = tags;
+      if (typeof tags.wikipedia === "string" && !_wikiTitles) {
+        _wikiTitles = {};
+        var wm = tags.wikipedia.match(/([^:]+):(.+)/);
+        if (wm && wm[0] && wm[1]) {
+          wikipedia.translations(wm[1], wm[2], function(err, d) {
+            if (err || !d)
+              return;
+            _wikiTitles = d;
+          });
+        }
+      }
+      var isMixed = Array.isArray(tags[field.key]);
+      utilGetSetValue(input, typeof tags[field.key] === "string" ? tags[field.key] : "").attr("title", isMixed ? tags[field.key].filter(Boolean).join("\n") : void 0).attr("placeholder", isMixed ? _t("inspector.multiple_values") : field.placeholder()).classed("mixed", isMixed);
+      calcMultilingual(tags);
+      _selection.call(localized);
+      if (!isMixed) {
+        _lengthIndicator.update(tags[field.key]);
+      }
+    };
+    localized.focus = function() {
+      input.node().focus();
+    };
+    localized.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      _multilingual = [];
+      loadCountryCode();
+      return localized;
+    };
+    function loadCountryCode() {
+      var extent = combinedEntityExtent();
+      var countryCode = extent && iso1A2Code(extent.center());
+      _countryCode = countryCode && countryCode.toLowerCase();
+    }
+    function combinedEntityExtent() {
+      return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
+    }
+    return utilRebind(localized, dispatch10, "on");
+  }
+
+  // modules/ui/fields/roadheight.js
+  function uiFieldRoadheight(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var primaryUnitInput = select_default2(null);
+    var primaryInput = select_default2(null);
+    var secondaryInput = select_default2(null);
+    var secondaryUnitInput = select_default2(null);
+    var _entityIDs = [];
+    var _tags;
+    var _isImperial;
+    var formatFloat = _mainLocalizer.floatFormatter(_mainLocalizer.languageCode());
+    var parseLocaleFloat = _mainLocalizer.floatParser(_mainLocalizer.languageCode());
+    var primaryUnits = [
+      {
+        value: "m",
+        title: _t("inspector.roadheight.meter")
+      },
+      {
+        value: "ft",
+        title: _t("inspector.roadheight.foot")
+      }
+    ];
+    var unitCombo = uiCombobox(context, "roadheight-unit").data(primaryUnits);
+    function roadheight(selection2) {
+      var wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      primaryInput = wrap2.selectAll("input.roadheight-number").data([0]);
+      primaryInput = primaryInput.enter().append("input").attr("type", "text").attr("class", "roadheight-number").attr("id", field.domId).call(utilNoAuto).merge(primaryInput);
+      primaryInput.on("change", change).on("blur", change);
+      var loc = combinedEntityExtent().center();
+      _isImperial = roadHeightUnit(loc) === "ft";
+      primaryUnitInput = wrap2.selectAll("input.roadheight-unit").data([0]);
+      primaryUnitInput = primaryUnitInput.enter().append("input").attr("type", "text").attr("class", "roadheight-unit").call(unitCombo).merge(primaryUnitInput);
+      primaryUnitInput.on("blur", changeUnits).on("change", changeUnits);
+      secondaryInput = wrap2.selectAll("input.roadheight-secondary-number").data([0]);
+      secondaryInput = secondaryInput.enter().append("input").attr("type", "text").attr("class", "roadheight-secondary-number").call(utilNoAuto).merge(secondaryInput);
+      secondaryInput.on("change", change).on("blur", change);
+      secondaryUnitInput = wrap2.selectAll("input.roadheight-secondary-unit").data([0]);
+      secondaryUnitInput = secondaryUnitInput.enter().append("input").attr("type", "text").call(utilNoAuto).classed("disabled", true).classed("roadheight-secondary-unit", true).attr("readonly", "readonly").merge(secondaryUnitInput);
+      function changeUnits() {
+        var primaryUnit = utilGetSetValue(primaryUnitInput);
+        if (primaryUnit === "m") {
+          _isImperial = false;
+        } else if (primaryUnit === "ft") {
+          _isImperial = true;
+        }
+        utilGetSetValue(primaryUnitInput, _isImperial ? "ft" : "m");
+        setUnitSuggestions();
+        change();
+      }
+    }
+    function setUnitSuggestions() {
+      utilGetSetValue(primaryUnitInput, _isImperial ? "ft" : "m");
+    }
+    function change() {
+      var tag = {};
+      var primaryValue = utilGetSetValue(primaryInput).trim();
+      var secondaryValue = utilGetSetValue(secondaryInput).trim();
+      if (!primaryValue && !secondaryValue && Array.isArray(_tags[field.key]))
+        return;
+      if (!primaryValue && !secondaryValue) {
+        tag[field.key] = void 0;
+      } else {
+        var rawPrimaryValue = likelyRawNumberFormat.test(primaryValue) ? parseFloat(primaryValue) : parseLocaleFloat(primaryValue);
+        if (isNaN(rawPrimaryValue))
+          rawPrimaryValue = primaryValue;
+        var rawSecondaryValue = likelyRawNumberFormat.test(secondaryValue) ? parseFloat(secondaryValue) : parseLocaleFloat(secondaryValue);
+        if (isNaN(rawSecondaryValue))
+          rawSecondaryValue = secondaryValue;
+        if (isNaN(rawPrimaryValue) || isNaN(rawSecondaryValue) || !_isImperial) {
+          tag[field.key] = context.cleanTagValue(rawPrimaryValue);
+        } else {
+          if (rawPrimaryValue !== "") {
+            rawPrimaryValue = rawPrimaryValue + "'";
+          }
+          if (rawSecondaryValue !== "") {
+            rawSecondaryValue = rawSecondaryValue + '"';
+          }
+          tag[field.key] = context.cleanTagValue(rawPrimaryValue + rawSecondaryValue);
+        }
+      }
+      dispatch10.call("change", this, tag);
+    }
+    roadheight.tags = function(tags) {
+      _tags = tags;
+      var primaryValue = tags[field.key];
+      var secondaryValue;
+      var isMixed = Array.isArray(primaryValue);
+      if (!isMixed) {
+        if (primaryValue && (primaryValue.indexOf("'") >= 0 || primaryValue.indexOf('"') >= 0)) {
+          secondaryValue = primaryValue.match(/(-?[\d.]+)"/);
+          if (secondaryValue !== null) {
+            secondaryValue = formatFloat(parseFloat(secondaryValue[1]));
+          }
+          primaryValue = primaryValue.match(/(-?[\d.]+)'/);
+          if (primaryValue !== null) {
+            primaryValue = formatFloat(parseFloat(primaryValue[1]));
+          }
+          _isImperial = true;
+        } else if (primaryValue) {
+          var rawValue = primaryValue;
+          primaryValue = parseFloat(rawValue);
+          if (isNaN(primaryValue)) {
+            primaryValue = rawValue;
+          } else {
+            primaryValue = formatFloat(primaryValue);
+          }
+          _isImperial = false;
+        }
+      }
+      setUnitSuggestions();
+      var inchesPlaceholder = formatFloat(0);
+      utilGetSetValue(primaryInput, typeof primaryValue === "string" ? primaryValue : "").attr("title", isMixed ? primaryValue.filter(Boolean).join("\n") : null).attr("placeholder", isMixed ? _t("inspector.multiple_values") : _t("inspector.unknown")).classed("mixed", isMixed);
+      utilGetSetValue(secondaryInput, typeof secondaryValue === "string" ? secondaryValue : "").attr("placeholder", isMixed ? _t("inspector.multiple_values") : _isImperial ? inchesPlaceholder : null).classed("mixed", isMixed).classed("disabled", !_isImperial).attr("readonly", _isImperial ? null : "readonly");
+      secondaryUnitInput.attr("value", _isImperial ? _t("inspector.roadheight.inch") : null);
+    };
+    roadheight.focus = function() {
+      primaryInput.node().focus();
+    };
+    roadheight.entityIDs = function(val) {
+      _entityIDs = val;
+    };
+    function combinedEntityExtent() {
+      return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
+    }
+    return utilRebind(roadheight, dispatch10, "on");
+  }
+
+  // modules/ui/fields/roadspeed.js
+  function uiFieldRoadspeed(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var unitInput = select_default2(null);
+    var input = select_default2(null);
+    var _entityIDs = [];
+    var _tags;
+    var _isImperial;
+    var formatFloat = _mainLocalizer.floatFormatter(_mainLocalizer.languageCode());
+    var parseLocaleFloat = _mainLocalizer.floatParser(_mainLocalizer.languageCode());
+    var speedCombo = uiCombobox(context, "roadspeed");
+    var unitCombo = uiCombobox(context, "roadspeed-unit").data(["km/h", "mph"].map(comboValues));
+    var metricValues = [20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120];
+    var imperialValues = [5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80];
+    function roadspeed(selection2) {
+      var wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      input = wrap2.selectAll("input.roadspeed-number").data([0]);
+      input = input.enter().append("input").attr("type", "text").attr("class", "roadspeed-number").attr("id", field.domId).call(utilNoAuto).call(speedCombo).merge(input);
+      input.on("change", change).on("blur", change);
+      var loc = combinedEntityExtent().center();
+      _isImperial = roadSpeedUnit(loc) === "mph";
+      unitInput = wrap2.selectAll("input.roadspeed-unit").data([0]);
+      unitInput = unitInput.enter().append("input").attr("type", "text").attr("class", "roadspeed-unit").attr("aria-label", _t("inspector.speed_unit")).call(unitCombo).merge(unitInput);
+      unitInput.on("blur", changeUnits).on("change", changeUnits);
+      function changeUnits() {
+        var unit2 = utilGetSetValue(unitInput);
+        if (unit2 === "km/h") {
+          _isImperial = false;
+        } else if (unit2 === "mph") {
+          _isImperial = true;
+        }
+        utilGetSetValue(unitInput, _isImperial ? "mph" : "km/h");
+        setUnitSuggestions();
+        change();
+      }
+    }
+    function setUnitSuggestions() {
+      speedCombo.data((_isImperial ? imperialValues : metricValues).map(comboValues));
+      utilGetSetValue(unitInput, _isImperial ? "mph" : "km/h");
+    }
+    function comboValues(d) {
+      return {
+        value: formatFloat(d),
+        title: formatFloat(d)
+      };
+    }
+    function change() {
+      var tag = {};
+      var value = utilGetSetValue(input).trim();
+      if (!value && Array.isArray(_tags[field.key]))
+        return;
+      if (!value) {
+        tag[field.key] = void 0;
+      } else {
+        var rawValue = likelyRawNumberFormat.test(value) ? parseFloat(value) : parseLocaleFloat(value);
+        if (isNaN(rawValue))
+          rawValue = value;
+        if (isNaN(rawValue) || !_isImperial) {
+          tag[field.key] = context.cleanTagValue(rawValue);
+        } else {
+          tag[field.key] = context.cleanTagValue(rawValue + " mph");
+        }
+      }
+      dispatch10.call("change", this, tag);
+    }
+    roadspeed.tags = function(tags) {
+      _tags = tags;
+      var rawValue = tags[field.key];
+      var value = rawValue;
+      var isMixed = Array.isArray(value);
+      if (!isMixed) {
+        if (rawValue && rawValue.indexOf("mph") >= 0) {
+          _isImperial = true;
+        } else if (rawValue) {
+          _isImperial = false;
+        }
+        value = parseInt(value, 10);
+        if (isNaN(value)) {
+          value = rawValue;
+        } else {
+          value = formatFloat(value);
+        }
+      }
+      setUnitSuggestions();
+      utilGetSetValue(input, typeof value === "string" ? value : "").attr("title", isMixed ? value.filter(Boolean).join("\n") : null).attr("placeholder", isMixed ? _t("inspector.multiple_values") : field.placeholder()).classed("mixed", isMixed);
+    };
+    roadspeed.focus = function() {
+      input.node().focus();
+    };
+    roadspeed.entityIDs = function(val) {
+      _entityIDs = val;
+    };
+    function combinedEntityExtent() {
+      return _entityIDs && _entityIDs.length && utilTotalExtent(_entityIDs, context.graph());
+    }
+    return utilRebind(roadspeed, dispatch10, "on");
+  }
+
+  // modules/ui/fields/radio.js
+  function uiFieldRadio(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var placeholder = select_default2(null);
+    var wrap2 = select_default2(null);
+    var labels = select_default2(null);
+    var radios = select_default2(null);
+    var radioData = (field.options || field.keys).slice();
+    var typeField;
+    var layerField;
+    var _oldType = {};
+    var _entityIDs = [];
+    function selectedKey() {
+      var node = wrap2.selectAll(".form-field-input-radio label.active input");
+      return !node.empty() && node.datum();
+    }
+    function radio(selection2) {
+      selection2.classed("preset-radio", true);
+      wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      var enter = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-radio");
+      enter.append("span").attr("class", "placeholder");
+      wrap2 = wrap2.merge(enter);
+      placeholder = wrap2.selectAll(".placeholder");
+      labels = wrap2.selectAll("label").data(radioData);
+      enter = labels.enter().append("label");
+      var stringsField = field.resolveReference("stringsCrossReference");
+      enter.append("input").attr("type", "radio").attr("name", field.id).attr("value", function(d) {
+        return stringsField.t("options." + d, { "default": d });
+      }).attr("checked", false);
+      enter.append("span").each(function(d) {
+        stringsField.t.append("options." + d, { "default": d })(select_default2(this));
+      });
+      labels = labels.merge(enter);
+      radios = labels.selectAll("input").on("change", changeRadio);
+    }
+    function structureExtras(selection2, tags) {
+      var selected = selectedKey() || tags.layer !== void 0;
+      var type2 = _mainPresetIndex.field(selected);
+      var layer = _mainPresetIndex.field("layer");
+      var showLayer = selected === "bridge" || selected === "tunnel" || tags.layer !== void 0;
+      var extrasWrap = selection2.selectAll(".structure-extras-wrap").data(selected ? [0] : []);
+      extrasWrap.exit().remove();
+      extrasWrap = extrasWrap.enter().append("div").attr("class", "structure-extras-wrap").merge(extrasWrap);
+      var list = extrasWrap.selectAll("ul").data([0]);
+      list = list.enter().append("ul").attr("class", "rows").merge(list);
+      if (type2) {
+        if (!typeField || typeField.id !== selected) {
+          typeField = uiField(context, type2, _entityIDs, { wrap: false }).on("change", changeType);
+        }
+        typeField.tags(tags);
+      } else {
+        typeField = null;
+      }
+      var typeItem = list.selectAll(".structure-type-item").data(typeField ? [typeField] : [], function(d) {
+        return d.id;
+      });
+      typeItem.exit().remove();
+      var typeEnter = typeItem.enter().insert("li", ":first-child").attr("class", "labeled-input structure-type-item");
+      typeEnter.append("span").attr("class", "label structure-label-type").attr("for", "preset-input-" + selected).call(_t.append("inspector.radio.structure.type"));
+      typeEnter.append("div").attr("class", "structure-input-type-wrap");
+      typeItem = typeItem.merge(typeEnter);
+      if (typeField) {
+        typeItem.selectAll(".structure-input-type-wrap").call(typeField.render);
+      }
+      if (layer && showLayer) {
+        if (!layerField) {
+          layerField = uiField(context, layer, _entityIDs, { wrap: false }).on("change", changeLayer);
+        }
+        layerField.tags(tags);
+        field.keys = utilArrayUnion(field.keys, ["layer"]);
+      } else {
+        layerField = null;
+        field.keys = field.keys.filter(function(k) {
+          return k !== "layer";
+        });
+      }
+      var layerItem = list.selectAll(".structure-layer-item").data(layerField ? [layerField] : []);
+      layerItem.exit().remove();
+      var layerEnter = layerItem.enter().append("li").attr("class", "labeled-input structure-layer-item");
+      layerEnter.append("span").attr("class", "label structure-label-layer").attr("for", "preset-input-layer").call(_t.append("inspector.radio.structure.layer"));
+      layerEnter.append("div").attr("class", "structure-input-layer-wrap");
+      layerItem = layerItem.merge(layerEnter);
+      if (layerField) {
+        layerItem.selectAll(".structure-input-layer-wrap").call(layerField.render);
+      }
+    }
+    function changeType(t, onInput) {
+      var key = selectedKey();
+      if (!key)
+        return;
+      var val = t[key];
+      if (val !== "no") {
+        _oldType[key] = val;
+      }
+      if (field.type === "structureRadio") {
+        if (val === "no" || key !== "bridge" && key !== "tunnel" || key === "tunnel" && val === "building_passage") {
+          t.layer = void 0;
+        }
+        if (t.layer === void 0) {
+          if (key === "bridge" && val !== "no") {
+            t.layer = "1";
+          }
+          if (key === "tunnel" && val !== "no" && val !== "building_passage") {
+            t.layer = "-1";
+          }
+        }
+      }
+      dispatch10.call("change", this, t, onInput);
+    }
+    function changeLayer(t, onInput) {
+      if (t.layer === "0") {
+        t.layer = void 0;
+      }
+      dispatch10.call("change", this, t, onInput);
+    }
+    function changeRadio() {
+      var t = {};
+      var activeKey;
+      if (field.key) {
+        t[field.key] = void 0;
+      }
+      radios.each(function(d) {
+        var active = select_default2(this).property("checked");
+        if (active)
+          activeKey = d;
+        if (field.key) {
+          if (active)
+            t[field.key] = d;
+        } else {
+          var val = _oldType[activeKey] || "yes";
+          t[d] = active ? val : void 0;
+        }
+      });
+      if (field.type === "structureRadio") {
+        if (activeKey === "bridge") {
+          t.layer = "1";
+        } else if (activeKey === "tunnel" && t.tunnel !== "building_passage") {
+          t.layer = "-1";
+        } else {
+          t.layer = void 0;
+        }
+      }
+      dispatch10.call("change", this, t);
+    }
+    radio.tags = function(tags) {
+      function isOptionChecked(d) {
+        if (field.key) {
+          return tags[field.key] === d;
+        }
+        return !!(typeof tags[d] === "string" && tags[d].toLowerCase() !== "no");
+      }
+      function isMixed(d) {
+        if (field.key) {
+          return Array.isArray(tags[field.key]) && tags[field.key].includes(d);
+        }
+        return Array.isArray(tags[d]);
+      }
+      radios.property("checked", function(d) {
+        return isOptionChecked(d) && (field.key || field.options.filter(isOptionChecked).length === 1);
+      });
+      labels.classed("active", function(d) {
+        if (field.key) {
+          return Array.isArray(tags[field.key]) && tags[field.key].includes(d) || tags[field.key] === d;
+        }
+        return Array.isArray(tags[d]) && tags[d].some((v) => typeof v === "string" && v.toLowerCase() !== "no") || !!(typeof tags[d] === "string" && tags[d].toLowerCase() !== "no");
+      }).classed("mixed", isMixed).attr("title", function(d) {
+        return isMixed(d) ? _t("inspector.unshared_value_tooltip") : null;
+      });
+      var selection2 = radios.filter(function() {
+        return this.checked;
+      });
+      if (selection2.empty()) {
+        placeholder.text("");
+        placeholder.call(_t.append("inspector.none"));
+      } else {
+        placeholder.text(selection2.attr("value"));
+        _oldType[selection2.datum()] = tags[selection2.datum()];
+      }
+      if (field.type === "structureRadio") {
+        if (!!tags.waterway && !_oldType.tunnel) {
+          _oldType.tunnel = "culvert";
+        }
+        wrap2.call(structureExtras, tags);
+      }
+    };
+    radio.focus = function() {
+      radios.node().focus();
+    };
+    radio.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      _oldType = {};
+      return radio;
+    };
+    radio.isAllowed = function() {
+      return _entityIDs.length === 1;
+    };
+    return utilRebind(radio, dispatch10, "on");
+  }
+
+  // modules/ui/fields/restrictions.js
+  function uiFieldRestrictions(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var breathe = behaviorBreathe(context);
+    corePreferences("turn-restriction-via-way", null);
+    var storedViaWay = corePreferences("turn-restriction-via-way0");
+    var storedDistance = corePreferences("turn-restriction-distance");
+    var _maxViaWay = storedViaWay !== null ? +storedViaWay : 0;
+    var _maxDistance = storedDistance ? +storedDistance : 30;
+    var _initialized2 = false;
+    var _parent = select_default2(null);
+    var _container = select_default2(null);
+    var _oldTurns;
+    var _graph;
+    var _vertexID;
+    var _intersection;
+    var _fromWayID;
+    var _lastXPos;
+    function restrictions(selection2) {
+      _parent = selection2;
+      if (_vertexID && (context.graph() !== _graph || !_intersection)) {
+        _graph = context.graph();
+        _intersection = osmIntersection(_graph, _vertexID, _maxDistance);
+      }
+      var isOK = _intersection && _intersection.vertices.length && // has vertices
+      _intersection.vertices.filter(function(vertex) {
+        return vertex.id === _vertexID;
+      }).length && _intersection.ways.length > 2 && // has more than 2 ways
+      _intersection.ways.filter(function(way) {
+        return way.__to;
+      }).length > 1;
+      select_default2(selection2.node().parentNode).classed("hide", !isOK);
+      if (!isOK || !context.container().select(".inspector-wrap.inspector-hidden").empty() || !selection2.node().parentNode || !selection2.node().parentNode.parentNode) {
+        selection2.call(restrictions.off);
+        return;
+      }
+      var wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      var container = wrap2.selectAll(".restriction-container").data([0]);
+      var containerEnter = container.enter().append("div").attr("class", "restriction-container");
+      containerEnter.append("div").attr("class", "restriction-help");
+      _container = containerEnter.merge(container).call(renderViewer);
+      var controls = wrap2.selectAll(".restriction-controls").data([0]);
+      controls.enter().append("div").attr("class", "restriction-controls-container").append("div").attr("class", "restriction-controls").merge(controls).call(renderControls);
+    }
+    function renderControls(selection2) {
+      var distControl = selection2.selectAll(".restriction-distance").data([0]);
+      distControl.exit().remove();
+      var distControlEnter = distControl.enter().append("div").attr("class", "restriction-control restriction-distance");
+      distControlEnter.append("span").attr("class", "restriction-control-label restriction-distance-label").call(_t.append("restriction.controls.distance", { suffix: ":" }));
+      distControlEnter.append("input").attr("class", "restriction-distance-input").attr("type", "range").attr("min", "20").attr("max", "50").attr("step", "5");
+      distControlEnter.append("span").attr("class", "restriction-distance-text");
+      selection2.selectAll(".restriction-distance-input").property("value", _maxDistance).on("input", function() {
+        var val = select_default2(this).property("value");
+        _maxDistance = +val;
+        _intersection = null;
+        _container.selectAll(".layer-osm .layer-turns *").remove();
+        corePreferences("turn-restriction-distance", _maxDistance);
+        _parent.call(restrictions);
+      });
+      selection2.selectAll(".restriction-distance-text").call(displayMaxDistance(_maxDistance));
+      var viaControl = selection2.selectAll(".restriction-via-way").data([0]);
+      viaControl.exit().remove();
+      var viaControlEnter = viaControl.enter().append("div").attr("class", "restriction-control restriction-via-way");
+      viaControlEnter.append("span").attr("class", "restriction-control-label restriction-via-way-label").call(_t.append("restriction.controls.via", { suffix: ":" }));
+      viaControlEnter.append("input").attr("class", "restriction-via-way-input").attr("type", "range").attr("min", "0").attr("max", "2").attr("step", "1");
+      viaControlEnter.append("span").attr("class", "restriction-via-way-text");
+      selection2.selectAll(".restriction-via-way-input").property("value", _maxViaWay).on("input", function() {
+        var val = select_default2(this).property("value");
+        _maxViaWay = +val;
+        _container.selectAll(".layer-osm .layer-turns *").remove();
+        corePreferences("turn-restriction-via-way0", _maxViaWay);
+        _parent.call(restrictions);
+      });
+      selection2.selectAll(".restriction-via-way-text").call(displayMaxVia(_maxViaWay));
+    }
+    function renderViewer(selection2) {
+      if (!_intersection)
+        return;
+      var vgraph = _intersection.graph;
+      var filter2 = utilFunctor(true);
+      var projection2 = geoRawMercator();
+      var sdims = utilGetDimensions(context.container().select(".sidebar"));
+      var d = [sdims[0] - 50, 370];
+      var c = geoVecScale(d, 0.5);
+      var z = 22;
+      projection2.scale(geoZoomToScale(z));
+      var extent = geoExtent();
+      for (var i2 = 0; i2 < _intersection.vertices.length; i2++) {
+        extent._extend(_intersection.vertices[i2].extent());
+      }
+      var padTop = 35;
+      if (_intersection.vertices.length > 1) {
+        var hPadding = Math.min(160, Math.max(110, d[0] * 0.4));
+        var vPadding = 160;
+        var tl = projection2([extent[0][0], extent[1][1]]);
+        var br = projection2([extent[1][0], extent[0][1]]);
+        var hFactor = (br[0] - tl[0]) / (d[0] - hPadding);
+        var vFactor = (br[1] - tl[1]) / (d[1] - vPadding - padTop);
+        var hZoomDiff = Math.log(Math.abs(hFactor)) / Math.LN2;
+        var vZoomDiff = Math.log(Math.abs(vFactor)) / Math.LN2;
+        z = z - Math.max(hZoomDiff, vZoomDiff);
+        projection2.scale(geoZoomToScale(z));
+      }
+      var extentCenter = projection2(extent.center());
+      extentCenter[1] = extentCenter[1] - padTop / 2;
+      projection2.translate(geoVecSubtract(c, extentCenter)).clipExtent([[0, 0], d]);
+      var drawLayers = svgLayers(projection2, context).only(["osm", "touch"]).dimensions(d);
+      var drawVertices = svgVertices(projection2, context);
+      var drawLines = svgLines(projection2, context);
+      var drawTurns = svgTurns(projection2, context);
+      var firstTime = selection2.selectAll(".surface").empty();
+      selection2.call(drawLayers);
+      var surface = selection2.selectAll(".surface").classed("tr", true);
+      if (firstTime) {
+        _initialized2 = true;
+        surface.call(breathe);
+      }
+      if (_fromWayID && !vgraph.hasEntity(_fromWayID)) {
+        _fromWayID = null;
+        _oldTurns = null;
+      }
+      surface.call(utilSetDimensions, d).call(drawVertices, vgraph, _intersection.vertices, filter2, extent, z).call(drawLines, vgraph, _intersection.ways, filter2).call(drawTurns, vgraph, _intersection.turns(_fromWayID, _maxViaWay));
+      surface.on("click.restrictions", click).on("mouseover.restrictions", mouseover);
+      surface.selectAll(".selected").classed("selected", false);
+      surface.selectAll(".related").classed("related", false);
+      var way;
+      if (_fromWayID) {
+        way = vgraph.entity(_fromWayID);
+        surface.selectAll("." + _fromWayID).classed("selected", true).classed("related", true);
+      }
+      document.addEventListener("resizeWindow", function() {
+        utilSetDimensions(_container, null);
+        redraw(1);
+      }, false);
+      updateHints(null);
+      function click(d3_event) {
+        surface.call(breathe.off).call(breathe);
+        var datum2 = d3_event.target.__data__;
+        var entity = datum2 && datum2.properties && datum2.properties.entity;
+        if (entity) {
+          datum2 = entity;
+        }
+        if (datum2 instanceof osmWay && (datum2.__from || datum2.__via)) {
+          _fromWayID = datum2.id;
+          _oldTurns = null;
+          redraw();
+        } else if (datum2 instanceof osmTurn) {
+          var actions, extraActions, turns, i3;
+          var restrictionType = osmInferRestriction(vgraph, datum2, projection2);
+          if (datum2.restrictionID && !datum2.direct) {
+            return;
+          } else if (datum2.restrictionID && !datum2.only) {
+            var seen = {};
+            var datumOnly = JSON.parse(JSON.stringify(datum2));
+            datumOnly.only = true;
+            restrictionType = restrictionType.replace(/^no/, "only");
+            turns = _intersection.turns(_fromWayID, 2);
+            extraActions = [];
+            _oldTurns = [];
+            for (i3 = 0; i3 < turns.length; i3++) {
+              var turn = turns[i3];
+              if (seen[turn.restrictionID])
+                continue;
+              if (turn.direct && turn.path[1] === datum2.path[1]) {
+                seen[turns[i3].restrictionID] = true;
+                turn.restrictionType = osmInferRestriction(vgraph, turn, projection2);
+                _oldTurns.push(turn);
+                extraActions.push(actionUnrestrictTurn(turn));
+              }
+            }
+            actions = _intersection.actions.concat(extraActions, [
+              actionRestrictTurn(datumOnly, restrictionType),
+              _t("operations.restriction.annotation.create")
+            ]);
+          } else if (datum2.restrictionID) {
+            turns = _oldTurns || [];
+            extraActions = [];
+            for (i3 = 0; i3 < turns.length; i3++) {
+              if (turns[i3].key !== datum2.key) {
+                extraActions.push(actionRestrictTurn(turns[i3], turns[i3].restrictionType));
+              }
+            }
+            _oldTurns = null;
+            actions = _intersection.actions.concat(extraActions, [
+              actionUnrestrictTurn(datum2),
+              _t("operations.restriction.annotation.delete")
+            ]);
+          } else {
+            actions = _intersection.actions.concat([
+              actionRestrictTurn(datum2, restrictionType),
+              _t("operations.restriction.annotation.create")
+            ]);
+          }
+          context.perform.apply(context, actions);
+          var s = surface.selectAll("." + datum2.key);
+          datum2 = s.empty() ? null : s.datum();
+          updateHints(datum2);
+        } else {
+          _fromWayID = null;
+          _oldTurns = null;
+          redraw();
+        }
+      }
+      function mouseover(d3_event) {
+        var datum2 = d3_event.target.__data__;
+        updateHints(datum2);
+      }
+      _lastXPos = _lastXPos || sdims[0];
+      function redraw(minChange) {
+        var xPos = -1;
+        if (minChange) {
+          xPos = utilGetDimensions(context.container().select(".sidebar"))[0];
+        }
+        if (!minChange || minChange && Math.abs(xPos - _lastXPos) >= minChange) {
+          if (context.hasEntity(_vertexID)) {
+            _lastXPos = xPos;
+            _container.call(renderViewer);
+          }
+        }
+      }
+      function highlightPathsFrom(wayID) {
+        surface.selectAll(".related").classed("related", false).classed("allow", false).classed("restrict", false).classed("only", false);
+        surface.selectAll("." + wayID).classed("related", true);
+        if (wayID) {
+          var turns = _intersection.turns(wayID, _maxViaWay);
+          for (var i3 = 0; i3 < turns.length; i3++) {
+            var turn = turns[i3];
+            var ids = [turn.to.way];
+            var klass = turn.no ? "restrict" : turn.only ? "only" : "allow";
+            if (turn.only || turns.length === 1) {
+              if (turn.via.ways) {
+                ids = ids.concat(turn.via.ways);
+              }
+            } else if (turn.to.way === wayID) {
+              continue;
+            }
+            surface.selectAll(utilEntitySelector(ids)).classed("related", true).classed("allow", klass === "allow").classed("restrict", klass === "restrict").classed("only", klass === "only");
+          }
+        }
+      }
+      function updateHints(datum2) {
+        var help = _container.selectAll(".restriction-help").html("");
+        var placeholders = {};
+        ["from", "via", "to"].forEach(function(k) {
+          placeholders[k] = { html: '<span class="qualifier">' + _t("restriction.help." + k) + "</span>" };
+        });
+        var entity = datum2 && datum2.properties && datum2.properties.entity;
+        if (entity) {
+          datum2 = entity;
+        }
+        if (_fromWayID) {
+          way = vgraph.entity(_fromWayID);
+          surface.selectAll("." + _fromWayID).classed("selected", true).classed("related", true);
+        }
+        if (datum2 instanceof osmWay && datum2.__from) {
+          way = datum2;
+          highlightPathsFrom(_fromWayID ? null : way.id);
+          surface.selectAll("." + way.id).classed("related", true);
+          var clickSelect = !_fromWayID || _fromWayID !== way.id;
+          help.append("div").html(_t.html("restriction.help." + (clickSelect ? "select_from_name" : "from_name"), {
+            from: placeholders.from,
+            fromName: displayName(way.id, vgraph)
+          }));
+        } else if (datum2 instanceof osmTurn) {
+          var restrictionType = osmInferRestriction(vgraph, datum2, projection2);
+          var turnType = restrictionType.replace(/^(only|no)\_/, "");
+          var indirect = datum2.direct === false ? _t.html("restriction.help.indirect") : "";
+          var klass, turnText, nextText;
+          if (datum2.no) {
+            klass = "restrict";
+            turnText = _t.html("restriction.help.turn.no_" + turnType, { indirect: { html: indirect } });
+            nextText = _t.html("restriction.help.turn.only_" + turnType, { indirect: "" });
+          } else if (datum2.only) {
+            klass = "only";
+            turnText = _t.html("restriction.help.turn.only_" + turnType, { indirect: { html: indirect } });
+            nextText = _t.html("restriction.help.turn.allowed_" + turnType, { indirect: "" });
+          } else {
+            klass = "allow";
+            turnText = _t.html("restriction.help.turn.allowed_" + turnType, { indirect: { html: indirect } });
+            nextText = _t.html("restriction.help.turn.no_" + turnType, { indirect: "" });
+          }
+          help.append("div").attr("class", "qualifier " + klass).html(turnText);
+          help.append("div").html(_t.html("restriction.help.from_name_to_name", {
+            from: placeholders.from,
+            fromName: displayName(datum2.from.way, vgraph),
+            to: placeholders.to,
+            toName: displayName(datum2.to.way, vgraph)
+          }));
+          if (datum2.via.ways && datum2.via.ways.length) {
+            var names = [];
+            for (var i3 = 0; i3 < datum2.via.ways.length; i3++) {
+              var prev = names[names.length - 1];
+              var curr = displayName(datum2.via.ways[i3], vgraph);
+              if (!prev || curr !== prev) {
+                names.push(curr);
+              }
+            }
+            help.append("div").html(_t.html("restriction.help.via_names", {
+              via: placeholders.via,
+              viaNames: names.join(", ")
+            }));
+          }
+          if (!indirect) {
+            help.append("div").html(_t.html("restriction.help.toggle", { turn: { html: nextText.trim() } }));
+          }
+          highlightPathsFrom(null);
+          var alongIDs = datum2.path.slice();
+          surface.selectAll(utilEntitySelector(alongIDs)).classed("related", true).classed("allow", klass === "allow").classed("restrict", klass === "restrict").classed("only", klass === "only");
+        } else {
+          highlightPathsFrom(null);
+          if (_fromWayID) {
+            help.append("div").html(_t.html("restriction.help.from_name", {
+              from: placeholders.from,
+              fromName: displayName(_fromWayID, vgraph)
+            }));
+          } else {
+            help.append("div").html(_t.html("restriction.help.select_from", {
+              from: placeholders.from
+            }));
+          }
+        }
+      }
+    }
+    function displayMaxDistance(maxDist) {
+      return (selection2) => {
+        var isImperial = !_mainLocalizer.usesMetric();
+        var opts;
+        if (isImperial) {
+          var distToFeet = {
+            // imprecise conversion for prettier display
+            20: 70,
+            25: 85,
+            30: 100,
+            35: 115,
+            40: 130,
+            45: 145,
+            50: 160
+          }[maxDist];
+          opts = { distance: _t("units.feet", { quantity: distToFeet }) };
+        } else {
+          opts = { distance: _t("units.meters", { quantity: maxDist }) };
+        }
+        return selection2.html("").call(_t.append("restriction.controls.distance_up_to", opts));
+      };
+    }
+    function displayMaxVia(maxVia) {
+      return (selection2) => {
+        selection2 = selection2.html("");
+        return maxVia === 0 ? selection2.call(_t.append("restriction.controls.via_node_only")) : maxVia === 1 ? selection2.call(_t.append("restriction.controls.via_up_to_one")) : selection2.call(_t.append("restriction.controls.via_up_to_two"));
+      };
+    }
+    function displayName(entityID, graph) {
+      var entity = graph.entity(entityID);
+      var name = utilDisplayName(entity) || "";
+      var matched = _mainPresetIndex.match(entity, graph);
+      var type2 = matched && matched.name() || utilDisplayType(entity.id);
+      return name || type2;
+    }
+    restrictions.entityIDs = function(val) {
+      _intersection = null;
+      _fromWayID = null;
+      _oldTurns = null;
+      _vertexID = val[0];
+    };
+    restrictions.tags = function() {
+    };
+    restrictions.focus = function() {
+    };
+    restrictions.off = function(selection2) {
+      if (!_initialized2)
+        return;
+      selection2.selectAll(".surface").call(breathe.off).on("click.restrictions", null).on("mouseover.restrictions", null);
+      select_default2(window).on("resize.restrictions", null);
+    };
+    return utilRebind(restrictions, dispatch10, "on");
+  }
+  uiFieldRestrictions.supportsMultiselection = false;
+
+  // modules/ui/fields/textarea.js
+  function uiFieldTextarea(field, context) {
+    var dispatch10 = dispatch_default("change");
+    var input = select_default2(null);
+    var _lengthIndicator = uiLengthIndicator(context.maxCharsForTagValue()).silent(field.usage === "changeset" && field.key === "comment");
+    var _tags;
+    function textarea(selection2) {
+      var wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).style("position", "relative").merge(wrap2);
+      input = wrap2.selectAll("textarea").data([0]);
+      input = input.enter().append("textarea").attr("id", field.domId).call(utilNoAuto).on("input", change(true)).on("blur", change()).on("change", change()).merge(input);
+      wrap2.call(_lengthIndicator);
+      function change(onInput) {
+        return function() {
+          var val = utilGetSetValue(input);
+          if (!onInput)
+            val = context.cleanTagValue(val);
+          if (!val && Array.isArray(_tags[field.key]))
+            return;
+          var t = {};
+          t[field.key] = val || void 0;
+          dispatch10.call("change", this, t, onInput);
+        };
+      }
+    }
+    textarea.tags = function(tags) {
+      _tags = tags;
+      var isMixed = Array.isArray(tags[field.key]);
+      utilGetSetValue(input, !isMixed && tags[field.key] ? tags[field.key] : "").attr("title", isMixed ? tags[field.key].filter(Boolean).join("\n") : void 0).attr("placeholder", isMixed ? _t("inspector.multiple_values") : field.placeholder() || _t("inspector.unknown")).classed("mixed", isMixed);
+      if (!isMixed) {
+        _lengthIndicator.update(tags[field.key]);
+      }
+    };
+    textarea.focus = function() {
+      input.node().focus();
+    };
+    return utilRebind(textarea, dispatch10, "on");
+  }
+
+  // modules/ui/fields/wikidata.js
+  function uiFieldWikidata(field, context) {
+    var wikidata = services.wikidata;
+    var dispatch10 = dispatch_default("change");
+    var _selection = select_default2(null);
+    var _searchInput = select_default2(null);
+    var _qid = null;
+    var _wikidataEntity = null;
+    var _wikiURL = "";
+    var _entityIDs = [];
+    var _wikipediaKey = field.keys && field.keys.find(function(key) {
+      return key.includes("wikipedia");
+    });
+    var _hintKey = field.key === "wikidata" ? "name" : field.key.split(":")[0];
+    var combobox = uiCombobox(context, "combo-" + field.safeid).caseSensitive(true).minItems(1);
+    function wiki(selection2) {
+      _selection = selection2;
+      var wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", "form-field-input-wrap form-field-input-" + field.type).merge(wrap2);
+      var list = wrap2.selectAll("ul").data([0]);
+      list = list.enter().append("ul").attr("class", "rows").merge(list);
+      var searchRow = list.selectAll("li.wikidata-search").data([0]);
+      var searchRowEnter = searchRow.enter().append("li").attr("class", "wikidata-search");
+      searchRowEnter.append("input").attr("type", "text").attr("id", field.domId).style("flex", "1").call(utilNoAuto).on("focus", function() {
+        var node = select_default2(this).node();
+        node.setSelectionRange(0, node.value.length);
+      }).on("blur", function() {
+        setLabelForEntity();
+      }).call(combobox.fetcher(fetchWikidataItems));
+      combobox.on("accept", function(d) {
+        if (d) {
+          _qid = d.id;
+          change();
+        }
+      }).on("cancel", function() {
+        setLabelForEntity();
+      });
+      searchRowEnter.append("button").attr("class", "form-field-button wiki-link").attr("title", _t("icons.view_on", { domain: "wikidata.org" })).call(svgIcon("#iD-icon-out-link")).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        if (_wikiURL)
+          window.open(_wikiURL, "_blank");
+      });
+      searchRow = searchRow.merge(searchRowEnter);
+      _searchInput = searchRow.select("input");
+      var wikidataProperties = ["description", "identifier"];
+      var items = list.selectAll("li.labeled-input").data(wikidataProperties);
+      var enter = items.enter().append("li").attr("class", function(d) {
+        return "labeled-input preset-wikidata-" + d;
+      });
+      enter.append("span").attr("class", "label").html(function(d) {
+        return _t.html("wikidata." + d);
+      });
+      enter.append("input").attr("type", "text").call(utilNoAuto).classed("disabled", "true").attr("readonly", "true");
+      enter.append("button").attr("class", "form-field-button").attr("title", _t("icons.copy")).call(svgIcon("#iD-operation-copy")).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        select_default2(this.parentNode).select("input").node().select();
+        document.execCommand("copy");
+      });
+    }
+    function fetchWikidataItems(q, callback) {
+      if (!q && _hintKey) {
+        for (var i2 in _entityIDs) {
+          var entity = context.hasEntity(_entityIDs[i2]);
+          if (entity.tags[_hintKey]) {
+            q = entity.tags[_hintKey];
+            break;
+          }
+        }
+      }
+      wikidata.itemsForSearchQuery(q, function(err, data) {
+        if (err) {
+          if (err !== "No query")
+            console.error(err);
+          return;
+        }
+        var result = data.map(function(item) {
+          return {
+            id: item.id,
+            value: item.display.label.value + " (" + item.id + ")",
+            display: (selection2) => selection2.append("span").attr("class", "localized-text").attr("lang", item.display.label.language).text(item.display.label.value),
+            title: item.display.description && item.display.description.value,
+            terms: item.aliases
+          };
+        });
+        if (callback)
+          callback(result);
+      });
+    }
+    function change() {
+      var syncTags = {};
+      syncTags[field.key] = _qid;
+      dispatch10.call("change", this, syncTags);
+      var initGraph = context.graph();
+      var initEntityIDs = _entityIDs;
+      wikidata.entityByQID(_qid, function(err, entity) {
+        if (err)
+          return;
+        if (context.graph() !== initGraph)
+          return;
+        if (!entity.sitelinks)
+          return;
+        var langs = wikidata.languagesToQuery();
+        ["labels", "descriptions"].forEach(function(key) {
+          if (!entity[key])
+            return;
+          var valueLangs = Object.keys(entity[key]);
+          if (valueLangs.length === 0)
+            return;
+          var valueLang = valueLangs[0];
+          if (langs.indexOf(valueLang) === -1) {
+            langs.push(valueLang);
+          }
+        });
+        var newWikipediaValue;
+        if (_wikipediaKey) {
+          var foundPreferred;
+          for (var i2 in langs) {
+            var lang = langs[i2];
+            var siteID = lang.replace("-", "_") + "wiki";
+            if (entity.sitelinks[siteID]) {
+              foundPreferred = true;
+              newWikipediaValue = lang + ":" + entity.sitelinks[siteID].title;
+              break;
+            }
+          }
+          if (!foundPreferred) {
+            var wikiSiteKeys = Object.keys(entity.sitelinks).filter(function(site) {
+              return site.endsWith("wiki");
+            });
+            if (wikiSiteKeys.length === 0) {
+              newWikipediaValue = null;
+            } else {
+              var wikiLang = wikiSiteKeys[0].slice(0, -4).replace("_", "-");
+              var wikiTitle = entity.sitelinks[wikiSiteKeys[0]].title;
+              newWikipediaValue = wikiLang + ":" + wikiTitle;
+            }
+          }
+        }
+        if (newWikipediaValue) {
+          newWikipediaValue = context.cleanTagValue(newWikipediaValue);
+        }
+        if (typeof newWikipediaValue === "undefined")
+          return;
+        var actions = initEntityIDs.map(function(entityID) {
+          var entity2 = context.hasEntity(entityID);
+          if (!entity2)
+            return null;
+          var currTags = Object.assign({}, entity2.tags);
+          if (newWikipediaValue === null) {
+            if (!currTags[_wikipediaKey])
+              return null;
+            delete currTags[_wikipediaKey];
+          } else {
+            currTags[_wikipediaKey] = newWikipediaValue;
+          }
+          return actionChangeTags(entityID, currTags);
+        }).filter(Boolean);
+        if (!actions.length)
+          return;
+        context.overwrite(
+          function actionUpdateWikipediaTags(graph) {
+            actions.forEach(function(action) {
+              graph = action(graph);
+            });
+            return graph;
+          },
+          context.history().undoAnnotation()
+        );
+      });
+    }
+    function setLabelForEntity() {
+      var label = "";
+      if (_wikidataEntity) {
+        label = entityPropertyForDisplay(_wikidataEntity, "labels");
+        if (label.length === 0) {
+          label = _wikidataEntity.id.toString();
+        }
+      }
+      utilGetSetValue(_searchInput, label);
+    }
+    wiki.tags = function(tags) {
+      var isMixed = Array.isArray(tags[field.key]);
+      _searchInput.attr("title", isMixed ? tags[field.key].filter(Boolean).join("\n") : null).attr("placeholder", isMixed ? _t("inspector.multiple_values") : "").classed("mixed", isMixed);
+      _qid = typeof tags[field.key] === "string" && tags[field.key] || "";
+      if (!/^Q[0-9]*$/.test(_qid)) {
+        unrecognized();
+        return;
+      }
+      _wikiURL = "https://wikidata.org/wiki/" + _qid;
+      wikidata.entityByQID(_qid, function(err, entity) {
+        if (err) {
+          unrecognized();
+          return;
+        }
+        _wikidataEntity = entity;
+        setLabelForEntity();
+        var description = entityPropertyForDisplay(entity, "descriptions");
+        _selection.select("button.wiki-link").classed("disabled", false);
+        _selection.select(".preset-wikidata-description").style("display", function() {
+          return description.length > 0 ? "flex" : "none";
+        }).select("input").attr("value", description);
+        _selection.select(".preset-wikidata-identifier").style("display", function() {
+          return entity.id ? "flex" : "none";
+        }).select("input").attr("value", entity.id);
+      });
+      function unrecognized() {
+        _wikidataEntity = null;
+        setLabelForEntity();
+        _selection.select(".preset-wikidata-description").style("display", "none");
+        _selection.select(".preset-wikidata-identifier").style("display", "none");
+        _selection.select("button.wiki-link").classed("disabled", true);
+        if (_qid && _qid !== "") {
+          _wikiURL = "https://wikidata.org/wiki/Special:Search?search=" + _qid;
+        } else {
+          _wikiURL = "";
+        }
+      }
+    };
+    function entityPropertyForDisplay(wikidataEntity, propKey) {
+      if (!wikidataEntity[propKey])
+        return "";
+      var propObj = wikidataEntity[propKey];
+      var langKeys = Object.keys(propObj);
+      if (langKeys.length === 0)
+        return "";
+      var langs = wikidata.languagesToQuery();
+      for (var i2 in langs) {
+        var lang = langs[i2];
+        var valueObj = propObj[lang];
+        if (valueObj && valueObj.value && valueObj.value.length > 0)
+          return valueObj.value;
+      }
+      return propObj[langKeys[0]].value;
+    }
+    wiki.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return wiki;
+    };
+    wiki.focus = function() {
+      _searchInput.node().focus();
+    };
+    return utilRebind(wiki, dispatch10, "on");
+  }
+
+  // modules/ui/fields/wikipedia.js
+  function uiFieldWikipedia(field, context) {
+    const dispatch10 = dispatch_default("change");
+    const wikipedia = services.wikipedia;
+    const wikidata = services.wikidata;
+    let _langInput = select_default2(null);
+    let _titleInput = select_default2(null);
+    let _wikiURL = "";
+    let _entityIDs;
+    let _tags;
+    let _dataWikipedia = [];
+    _mainFileFetcher.get("wmf_sitematrix").then((d) => {
+      _dataWikipedia = d;
+      if (_tags)
+        updateForTags(_tags);
+    }).catch(() => {
+    });
+    const langCombo = uiCombobox(context, "wikipedia-lang").fetcher((value, callback) => {
+      const v = value.toLowerCase();
+      callback(
+        _dataWikipedia.filter((d) => {
+          return d[0].toLowerCase().indexOf(v) >= 0 || d[1].toLowerCase().indexOf(v) >= 0 || d[2].toLowerCase().indexOf(v) >= 0;
+        }).map((d) => ({ value: d[1] }))
+      );
+    });
+    const titleCombo = uiCombobox(context, "wikipedia-title").fetcher((value, callback) => {
+      if (!value) {
+        value = "";
+        for (let i2 in _entityIDs) {
+          let entity = context.hasEntity(_entityIDs[i2]);
+          if (entity.tags.name) {
+            value = entity.tags.name;
+            break;
+          }
+        }
+      }
+      const searchfn = value.length > 7 ? wikipedia.search : wikipedia.suggestions;
+      searchfn(language()[2], value, (query, data) => {
+        callback(data.map((d) => ({ value: d })));
+      });
+    });
+    function wiki(selection2) {
+      let wrap2 = selection2.selectAll(".form-field-input-wrap").data([0]);
+      wrap2 = wrap2.enter().append("div").attr("class", `form-field-input-wrap form-field-input-${field.type}`).merge(wrap2);
+      let langContainer = wrap2.selectAll(".wiki-lang-container").data([0]);
+      langContainer = langContainer.enter().append("div").attr("class", "wiki-lang-container").merge(langContainer);
+      _langInput = langContainer.selectAll("input.wiki-lang").data([0]);
+      _langInput = _langInput.enter().append("input").attr("type", "text").attr("class", "wiki-lang").attr("placeholder", _t("translate.localized_translation_language")).call(utilNoAuto).call(langCombo).merge(_langInput);
+      _langInput.on("blur", changeLang).on("change", changeLang);
+      let titleContainer = wrap2.selectAll(".wiki-title-container").data([0]);
+      titleContainer = titleContainer.enter().append("div").attr("class", "wiki-title-container").merge(titleContainer);
+      _titleInput = titleContainer.selectAll("input.wiki-title").data([0]);
+      _titleInput = _titleInput.enter().append("input").attr("type", "text").attr("class", "wiki-title").attr("id", field.domId).call(utilNoAuto).call(titleCombo).merge(_titleInput);
+      _titleInput.on("blur", function() {
+        change(true);
+      }).on("change", function() {
+        change(false);
+      });
+      let link2 = titleContainer.selectAll(".wiki-link").data([0]);
+      link2 = link2.enter().append("button").attr("class", "form-field-button wiki-link").attr("title", _t("icons.view_on", { domain: "wikipedia.org" })).call(svgIcon("#iD-icon-out-link")).merge(link2);
+      link2.on("click", (d3_event) => {
+        d3_event.preventDefault();
+        if (_wikiURL)
+          window.open(_wikiURL, "_blank");
+      });
+    }
+    function defaultLanguageInfo(skipEnglishFallback) {
+      const langCode = _mainLocalizer.languageCode().toLowerCase();
+      for (let i2 in _dataWikipedia) {
+        let d = _dataWikipedia[i2];
+        if (d[2] === langCode)
+          return d;
+      }
+      return skipEnglishFallback ? ["", "", ""] : ["English", "English", "en"];
+    }
+    function language(skipEnglishFallback) {
+      const value = utilGetSetValue(_langInput).toLowerCase();
+      for (let i2 in _dataWikipedia) {
+        let d = _dataWikipedia[i2];
+        if (d[0].toLowerCase() === value || d[1].toLowerCase() === value || d[2] === value)
+          return d;
+      }
+      return defaultLanguageInfo(skipEnglishFallback);
+    }
+    function changeLang() {
+      utilGetSetValue(_langInput, language()[1]);
+      change(true);
+    }
+    function change(skipWikidata) {
+      let value = utilGetSetValue(_titleInput);
+      const m = value.match(/https?:\/\/([-a-z]+)\.wikipedia\.org\/(?:wiki|\1-[-a-z]+)\/([^#]+)(?:#(.+))?/);
+      const langInfo = m && _dataWikipedia.find((d) => m[1] === d[2]);
+      let syncTags = {};
+      if (langInfo) {
+        const nativeLangName = langInfo[1];
+        value = decodeURIComponent(m[2]).replace(/_/g, " ");
+        if (m[3]) {
+          let anchor;
+          anchor = decodeURIComponent(m[3]);
+          value += "#" + anchor.replace(/_/g, " ");
+        }
+        value = value.slice(0, 1).toUpperCase() + value.slice(1);
+        utilGetSetValue(_langInput, nativeLangName);
+        utilGetSetValue(_titleInput, value);
+      }
+      if (value) {
+        syncTags.wikipedia = context.cleanTagValue(language()[2] + ":" + value);
+      } else {
+        syncTags.wikipedia = void 0;
+      }
+      dispatch10.call("change", this, syncTags);
+      if (skipWikidata || !value || !language()[2])
+        return;
+      const initGraph = context.graph();
+      const initEntityIDs = _entityIDs;
+      wikidata.itemsByTitle(language()[2], value, (err, data) => {
+        if (err || !data || !Object.keys(data).length)
+          return;
+        if (context.graph() !== initGraph)
+          return;
+        const qids = Object.keys(data);
+        const value2 = qids && qids.find((id2) => id2.match(/^Q\d+$/));
+        let actions = initEntityIDs.map((entityID) => {
+          let entity = context.entity(entityID).tags;
+          let currTags = Object.assign({}, entity);
+          if (currTags.wikidata !== value2) {
+            currTags.wikidata = value2;
+            return actionChangeTags(entityID, currTags);
+          }
+          return null;
+        }).filter(Boolean);
+        if (!actions.length)
+          return;
+        context.overwrite(
+          function actionUpdateWikidataTags(graph) {
+            actions.forEach(function(action) {
+              graph = action(graph);
+            });
+            return graph;
+          },
+          context.history().undoAnnotation()
+        );
+      });
+    }
+    wiki.tags = (tags) => {
+      _tags = tags;
+      updateForTags(tags);
+    };
+    function updateForTags(tags) {
+      const value = typeof tags[field.key] === "string" ? tags[field.key] : "";
+      const m = value.match(/([^:]+):([^#]+)(?:#(.+))?/);
+      const tagLang = m && m[1];
+      const tagArticleTitle = m && m[2];
+      let anchor = m && m[3];
+      const tagLangInfo = tagLang && _dataWikipedia.find((d) => tagLang === d[2]);
+      if (tagLangInfo) {
+        const nativeLangName = tagLangInfo[1];
+        utilGetSetValue(_langInput, nativeLangName);
+        utilGetSetValue(_titleInput, tagArticleTitle + (anchor ? "#" + anchor : ""));
+        if (anchor) {
+          try {
+            anchor = encodeURIComponent(anchor.replace(/ /g, "_")).replace(/%/g, ".");
+          } catch (e) {
+            anchor = anchor.replace(/ /g, "_");
+          }
+        }
+        _wikiURL = "https://" + tagLang + ".wikipedia.org/wiki/" + tagArticleTitle.replace(/ /g, "_") + (anchor ? "#" + anchor : "");
+      } else {
+        utilGetSetValue(_titleInput, value);
+        if (value && value !== "") {
+          utilGetSetValue(_langInput, "");
+          const defaultLangInfo = defaultLanguageInfo();
+          _wikiURL = `https://${defaultLangInfo[2]}.wikipedia.org/w/index.php?fulltext=1&search=${value}`;
+        } else {
+          const shownOrDefaultLangInfo = language(
+            true
+            /* skipEnglishFallback */
+          );
+          utilGetSetValue(_langInput, shownOrDefaultLangInfo[1]);
+          _wikiURL = "";
+        }
+      }
+    }
+    wiki.entityIDs = (val) => {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return wiki;
+    };
+    wiki.focus = () => {
+      _titleInput.node().focus();
+    };
+    return utilRebind(wiki, dispatch10, "on");
+  }
+  uiFieldWikipedia.supportsMultiselection = false;
+
+  // modules/ui/fields/index.js
+  var uiFields = {
+    access: uiFieldAccess,
+    address: uiFieldAddress,
+    check: uiFieldCheck,
+    colour: uiFieldText,
+    combo: uiFieldCombo,
+    cycleway: uiFieldDirectionalCombo,
+    date: uiFieldText,
+    defaultCheck: uiFieldCheck,
+    directionalCombo: uiFieldDirectionalCombo,
+    email: uiFieldText,
+    identifier: uiFieldText,
+    lanes: uiFieldLanes,
+    localized: uiFieldLocalized,
+    roadheight: uiFieldRoadheight,
+    roadspeed: uiFieldRoadspeed,
+    manyCombo: uiFieldCombo,
+    multiCombo: uiFieldCombo,
+    networkCombo: uiFieldCombo,
+    number: uiFieldText,
+    onewayCheck: uiFieldCheck,
+    radio: uiFieldRadio,
+    restrictions: uiFieldRestrictions,
+    semiCombo: uiFieldCombo,
+    structureRadio: uiFieldRadio,
+    tel: uiFieldText,
+    text: uiFieldText,
+    textarea: uiFieldTextarea,
+    typeCombo: uiFieldCombo,
+    url: uiFieldText,
+    wikidata: uiFieldWikidata,
+    wikipedia: uiFieldWikipedia
+  };
+
+  // modules/ui/field.js
+  function uiField(context, presetField2, entityIDs, options2) {
+    options2 = Object.assign({
+      show: true,
+      wrap: true,
+      remove: true,
+      revert: true,
+      info: true
+    }, options2);
+    var dispatch10 = dispatch_default("change", "revert");
+    var field = Object.assign({}, presetField2);
+    field.domId = utilUniqueDomId("form-field-" + field.safeid);
+    var _show = options2.show;
+    var _state = "";
+    var _tags = {};
+    var _entityExtent;
+    if (entityIDs && entityIDs.length) {
+      _entityExtent = entityIDs.reduce(function(extent, entityID) {
+        var entity = context.graph().entity(entityID);
+        return extent.extend(entity.extent(context.graph()));
+      }, geoExtent());
+    }
+    var _locked = false;
+    var _lockedTip = uiTooltip().title(() => _t.append("inspector.lock.suggestion", { label: field.title })).placement("bottom");
+    if (_show && !field.impl) {
+      createField();
+    }
+    function createField() {
+      field.impl = uiFields[field.type](field, context).on("change", function(t, onInput) {
+        dispatch10.call("change", field, t, onInput);
+      });
+      if (entityIDs) {
+        field.entityIDs = entityIDs;
+        if (field.impl.entityIDs) {
+          field.impl.entityIDs(entityIDs);
+        }
+      }
+    }
+    function allKeys() {
+      let keys2 = field.keys || [field.key];
+      if (field.type === "directionalCombo" && field.key) {
+        keys2 = keys2.concat(field.key);
+      }
+      return keys2;
+    }
+    function isModified() {
+      if (!entityIDs || !entityIDs.length)
+        return false;
+      return entityIDs.some(function(entityID) {
+        var original = context.graph().base().entities[entityID];
+        var latest = context.graph().entity(entityID);
+        return allKeys().some(function(key) {
+          return original ? latest.tags[key] !== original.tags[key] : latest.tags[key];
+        });
+      });
+    }
+    function tagsContainFieldKey() {
+      return allKeys().some(function(key) {
+        if (field.type === "multiCombo") {
+          for (var tagKey in _tags) {
+            if (tagKey.indexOf(key) === 0) {
+              return true;
+            }
+          }
+          return false;
+        }
+        return _tags[key] !== void 0;
+      });
+    }
+    function revert(d3_event, d) {
+      d3_event.stopPropagation();
+      d3_event.preventDefault();
+      if (!entityIDs || _locked)
+        return;
+      dispatch10.call("revert", d, allKeys());
+    }
+    function remove2(d3_event, d) {
+      d3_event.stopPropagation();
+      d3_event.preventDefault();
+      if (_locked)
+        return;
+      var t = {};
+      allKeys().forEach(function(key) {
+        t[key] = void 0;
+      });
+      dispatch10.call("change", d, t);
+    }
+    field.render = function(selection2) {
+      var container = selection2.selectAll(".form-field").data([field]);
+      var enter = container.enter().append("div").attr("class", function(d) {
+        return "form-field form-field-" + d.safeid;
+      }).classed("nowrap", !options2.wrap);
+      if (options2.wrap) {
+        var labelEnter = enter.append("label").attr("class", "field-label").attr("for", function(d) {
+          return d.domId;
+        });
+        var textEnter = labelEnter.append("span").attr("class", "label-text");
+        textEnter.append("span").attr("class", "label-textvalue").each(function(d) {
+          d.label()(select_default2(this));
+        });
+        textEnter.append("span").attr("class", "label-textannotation");
+        if (options2.remove) {
+          labelEnter.append("button").attr("class", "remove-icon").attr("title", _t("icons.remove")).call(svgIcon("#iD-operation-delete"));
+        }
+        if (options2.revert) {
+          labelEnter.append("button").attr("class", "modified-icon").attr("title", _t("icons.undo")).call(svgIcon(_mainLocalizer.textDirection() === "rtl" ? "#iD-icon-redo" : "#iD-icon-undo"));
+        }
+      }
+      container = container.merge(enter);
+      container.select(".field-label > .remove-icon").on("click", remove2);
+      container.select(".field-label > .modified-icon").on("click", revert);
+      container.each(function(d) {
+        var selection3 = select_default2(this);
+        if (!d.impl) {
+          createField();
+        }
+        var reference, help;
+        if (options2.wrap && field.type === "restrictions") {
+          help = uiFieldHelp(context, "restrictions");
+        }
+        if (options2.wrap && options2.info) {
+          var referenceKey = d.key || "";
+          if (d.type === "multiCombo") {
+            referenceKey = referenceKey.replace(/:$/, "");
+          }
+          reference = uiTagReference(d.reference || { key: referenceKey }, context);
+          if (_state === "hover") {
+            reference.showing(false);
+          }
+        }
+        selection3.call(d.impl);
+        if (help) {
+          selection3.call(help.body).select(".field-label").call(help.button);
+        }
+        if (reference) {
+          selection3.call(reference.body).select(".field-label").call(reference.button);
+        }
+        d.impl.tags(_tags);
+      });
+      container.classed("locked", _locked).classed("modified", isModified()).classed("present", tagsContainFieldKey());
+      var annotation = container.selectAll(".field-label .label-textannotation");
+      var icon2 = annotation.selectAll(".icon").data(_locked ? [0] : []);
+      icon2.exit().remove();
+      icon2.enter().append("svg").attr("class", "icon").append("use").attr("xlink:href", "#fas-lock");
+      container.call(_locked ? _lockedTip : _lockedTip.destroy);
+    };
+    field.state = function(val) {
+      if (!arguments.length)
+        return _state;
+      _state = val;
+      return field;
+    };
+    field.tags = function(val) {
+      if (!arguments.length)
+        return _tags;
+      _tags = val;
+      if (tagsContainFieldKey() && !_show) {
+        _show = true;
+        if (!field.impl) {
+          createField();
+        }
+      }
+      return field;
+    };
+    field.locked = function(val) {
+      if (!arguments.length)
+        return _locked;
+      _locked = val;
+      return field;
+    };
+    field.show = function() {
+      _show = true;
+      if (!field.impl) {
+        createField();
+      }
+      if (field.default && field.key && _tags[field.key] !== field.default) {
+        var t = {};
+        t[field.key] = field.default;
+        dispatch10.call("change", this, t);
+      }
+    };
+    field.isShown = function() {
+      return _show;
+    };
+    field.isAllowed = function() {
+      if (entityIDs && entityIDs.length > 1 && uiFields[field.type].supportsMultiselection === false)
+        return false;
+      if (field.geometry && !entityIDs.every(function(entityID) {
+        return field.matchGeometry(context.graph().geometry(entityID));
+      }))
+        return false;
+      if (entityIDs && _entityExtent && field.locationSetID) {
+        var validHere = _sharedLocationManager.locationSetsAt(_entityExtent.center());
+        if (!validHere[field.locationSetID])
+          return false;
+      }
+      var prerequisiteTag = field.prerequisiteTag;
+      if (entityIDs && !tagsContainFieldKey() && // ignore tagging prerequisites if a value is already present
+      prerequisiteTag) {
+        if (!entityIDs.every(function(entityID) {
+          var entity = context.graph().entity(entityID);
+          if (prerequisiteTag.key) {
+            var value = entity.tags[prerequisiteTag.key];
+            if (!value)
+              return false;
+            if (prerequisiteTag.valueNot) {
+              return prerequisiteTag.valueNot !== value;
+            }
+            if (prerequisiteTag.value) {
+              return prerequisiteTag.value === value;
+            }
+          } else if (prerequisiteTag.keyNot) {
+            if (entity.tags[prerequisiteTag.keyNot])
+              return false;
+          }
+          return true;
+        }))
+          return false;
+      }
+      return true;
+    };
+    field.focus = function() {
+      if (field.impl) {
+        field.impl.focus();
+      }
+    };
+    return utilRebind(field, dispatch10, "on");
+  }
+
+  // modules/ui/form_fields.js
+  function uiFormFields(context) {
+    var moreCombo = uiCombobox(context, "more-fields").minItems(1);
+    var _fieldsArr = [];
+    var _lastPlaceholder = "";
+    var _state = "";
+    var _klass = "";
+    function formFields(selection2) {
+      var allowedFields = _fieldsArr.filter(function(field) {
+        return field.isAllowed();
+      });
+      var shown = allowedFields.filter(function(field) {
+        return field.isShown();
+      });
+      var notShown = allowedFields.filter(function(field) {
+        return !field.isShown();
+      });
+      var container = selection2.selectAll(".form-fields-container").data([0]);
+      container = container.enter().append("div").attr("class", "form-fields-container " + (_klass || "")).merge(container);
+      var fields = container.selectAll(".wrap-form-field").data(shown, function(d) {
+        return d.id + (d.entityIDs ? d.entityIDs.join() : "");
+      });
+      fields.exit().remove();
+      var enter = fields.enter().append("div").attr("class", function(d) {
+        return "wrap-form-field wrap-form-field-" + d.safeid;
+      });
+      fields = fields.merge(enter);
+      fields.order().each(function(d) {
+        select_default2(this).call(d.render);
+      });
+      var titles = [];
+      var moreFields = notShown.map(function(field) {
+        var title = field.title();
+        titles.push(title);
+        var terms = field.terms();
+        if (field.key)
+          terms.push(field.key);
+        if (field.keys)
+          terms = terms.concat(field.keys);
+        return {
+          display: field.label(),
+          value: title,
+          title,
+          field,
+          terms
+        };
+      });
+      var placeholder = titles.slice(0, 3).join(", ") + (titles.length > 3 ? "\u2026" : "");
+      var more = selection2.selectAll(".more-fields").data(_state === "hover" || moreFields.length === 0 ? [] : [0]);
+      more.exit().remove();
+      var moreEnter = more.enter().append("div").attr("class", "more-fields").append("label");
+      moreEnter.append("span").call(_t.append("inspector.add_fields"));
+      more = moreEnter.merge(more);
+      var input = more.selectAll(".value").data([0]);
+      input.exit().remove();
+      input = input.enter().append("input").attr("class", "value").attr("type", "text").attr("placeholder", placeholder).call(utilNoAuto).merge(input);
+      input.call(utilGetSetValue, "").call(
+        moreCombo.data(moreFields).on("accept", function(d) {
+          if (!d)
+            return;
+          var field = d.field;
+          field.show();
+          selection2.call(formFields);
+          field.focus();
+        })
+      );
+      if (_lastPlaceholder !== placeholder) {
+        input.attr("placeholder", placeholder);
+        _lastPlaceholder = placeholder;
+      }
+    }
+    formFields.fieldsArr = function(val) {
+      if (!arguments.length)
+        return _fieldsArr;
+      _fieldsArr = val || [];
+      return formFields;
+    };
+    formFields.state = function(val) {
+      if (!arguments.length)
+        return _state;
+      _state = val;
+      return formFields;
+    };
+    formFields.klass = function(val) {
+      if (!arguments.length)
+        return _klass;
+      _klass = val;
+      return formFields;
+    };
+    return formFields;
+  }
+
+  // modules/ui/changeset_editor.js
+  function uiChangesetEditor(context) {
+    var dispatch10 = dispatch_default("change");
+    var formFields = uiFormFields(context);
+    var commentCombo = uiCombobox(context, "comment").caseSensitive(true);
+    var _fieldsArr;
+    var _tags;
+    var _changesetID;
+    function changesetEditor(selection2) {
+      render(selection2);
+    }
+    function render(selection2) {
+      var initial = false;
+      if (!_fieldsArr) {
+        initial = true;
+        var presets = _mainPresetIndex;
+        _fieldsArr = [
+          uiField(context, presets.field("comment"), null, { show: true, revert: false }),
+          uiField(context, presets.field("source"), null, { show: false, revert: false }),
+          uiField(context, presets.field("hashtags"), null, { show: false, revert: false })
+        ];
+        _fieldsArr.forEach(function(field) {
+          field.on("change", function(t, onInput) {
+            dispatch10.call("change", field, void 0, t, onInput);
+          });
+        });
+      }
+      _fieldsArr.forEach(function(field) {
+        field.tags(_tags);
+      });
+      selection2.call(formFields.fieldsArr(_fieldsArr));
+      if (initial) {
+        var commentField = selection2.select(".form-field-comment textarea");
+        var commentNode = commentField.node();
+        if (commentNode) {
+          commentNode.focus();
+          commentNode.select();
+        }
+        utilTriggerEvent(commentField, "blur");
+        var osm = context.connection();
+        if (osm) {
+          osm.userChangesets(function(err, changesets) {
+            if (err)
+              return;
+            var comments = changesets.map(function(changeset) {
+              var comment = changeset.tags.comment;
+              return comment ? { title: comment, value: comment } : null;
+            }).filter(Boolean);
+            commentField.call(
+              commentCombo.data(utilArrayUniqBy(comments, "title"))
+            );
+          });
+        }
+      }
+      const warnings = [];
+      if (_tags.comment.match(/google/i)) {
+        warnings.push({
+          id: 'contains "google"',
+          msg: _t.append("commit.google_warning"),
+          link: _t("commit.google_warning_link")
+        });
+      }
+      const maxChars = context.maxCharsForTagValue();
+      const strLen = utilUnicodeCharsCount(utilCleanOsmString(_tags.comment, Number.POSITIVE_INFINITY));
+      if (strLen > maxChars || false) {
+        warnings.push({
+          id: "message too long",
+          msg: _t.append("commit.changeset_comment_length_warning", { maxChars })
+        });
+      }
+      var commentWarning = selection2.select(".form-field-comment").selectAll(".comment-warning").data(warnings, (d) => d.id);
+      commentWarning.exit().transition().duration(200).style("opacity", 0).remove();
+      var commentEnter = commentWarning.enter().insert("div", ".comment-warning").attr("class", "comment-warning field-warning").style("opacity", 0);
+      commentEnter.call(svgIcon("#iD-icon-alert", "inline")).append("span");
+      commentEnter.transition().duration(200).style("opacity", 1);
+      commentWarning.merge(commentEnter).selectAll("div > span").text("").each(function(d) {
+        let selection3 = select_default2(this);
+        if (d.link) {
+          selection3 = selection3.append("a").attr("target", "_blank").attr("href", d.link);
+        }
+        selection3.call(d.msg);
+      });
+    }
+    changesetEditor.tags = function(_) {
+      if (!arguments.length)
+        return _tags;
+      _tags = _;
+      return changesetEditor;
+    };
+    changesetEditor.changesetID = function(_) {
+      if (!arguments.length)
+        return _changesetID;
+      if (_changesetID === _)
+        return changesetEditor;
+      _changesetID = _;
+      _fieldsArr = null;
+      return changesetEditor;
+    };
+    return utilRebind(changesetEditor, dispatch10, "on");
+  }
+
+  // modules/ui/commit.js
+  var import_fast_deep_equal9 = __toESM(require_fast_deep_equal());
+
+  // modules/util/jxon.js
+  var JXON = new function() {
+    var sValueProp = "keyValue", sAttributesProp = "keyAttributes", sAttrPref = "@", aCache = [], rIsNull = /^\s*$/, rIsBool = /^(?:true|false)$/i;
+    function parseText(sValue) {
+      if (rIsNull.test(sValue)) {
+        return null;
+      }
+      if (rIsBool.test(sValue)) {
+        return sValue.toLowerCase() === "true";
+      }
+      if (isFinite(sValue)) {
+        return parseFloat(sValue);
+      }
+      if (isFinite(Date.parse(sValue))) {
+        return new Date(sValue);
+      }
+      return sValue;
+    }
+    function EmptyTree() {
+    }
+    EmptyTree.prototype.toString = function() {
+      return "null";
+    };
+    EmptyTree.prototype.valueOf = function() {
+      return null;
+    };
+    function objectify(vValue) {
+      return vValue === null ? new EmptyTree() : vValue instanceof Object ? vValue : new vValue.constructor(vValue);
+    }
+    function createObjTree(oParentNode, nVerb, bFreeze, bNesteAttr) {
+      var nLevelStart = aCache.length, bChildren = oParentNode.hasChildNodes(), bAttributes = oParentNode.hasAttributes(), bHighVerb = Boolean(nVerb & 2);
+      var sProp, vContent, nLength = 0, sCollectedTxt = "", vResult = bHighVerb ? {} : (
+        /* put here the default value for empty nodes: */
+        true
+      );
+      if (bChildren) {
+        for (var oNode, nItem = 0; nItem < oParentNode.childNodes.length; nItem++) {
+          oNode = oParentNode.childNodes.item(nItem);
+          if (oNode.nodeType === 4) {
+            sCollectedTxt += oNode.nodeValue;
+          } else if (oNode.nodeType === 3) {
+            sCollectedTxt += oNode.nodeValue.trim();
+          } else if (oNode.nodeType === 1 && !oNode.prefix) {
+            aCache.push(oNode);
+          }
+        }
+      }
+      var nLevelEnd = aCache.length, vBuiltVal = parseText(sCollectedTxt);
+      if (!bHighVerb && (bChildren || bAttributes)) {
+        vResult = nVerb === 0 ? objectify(vBuiltVal) : {};
+      }
+      for (var nElId = nLevelStart; nElId < nLevelEnd; nElId++) {
+        sProp = aCache[nElId].nodeName.toLowerCase();
+        vContent = createObjTree(aCache[nElId], nVerb, bFreeze, bNesteAttr);
+        if (vResult.hasOwnProperty(sProp)) {
+          if (vResult[sProp].constructor !== Array) {
+            vResult[sProp] = [vResult[sProp]];
+          }
+          vResult[sProp].push(vContent);
+        } else {
+          vResult[sProp] = vContent;
+          nLength++;
+        }
+      }
+      if (bAttributes) {
+        var nAttrLen = oParentNode.attributes.length, sAPrefix = bNesteAttr ? "" : sAttrPref, oAttrParent = bNesteAttr ? {} : vResult;
+        for (var oAttrib, nAttrib = 0; nAttrib < nAttrLen; nLength++, nAttrib++) {
+          oAttrib = oParentNode.attributes.item(nAttrib);
+          oAttrParent[sAPrefix + oAttrib.name.toLowerCase()] = parseText(oAttrib.value.trim());
+        }
+        if (bNesteAttr) {
+          if (bFreeze) {
+            Object.freeze(oAttrParent);
+          }
+          vResult[sAttributesProp] = oAttrParent;
+          nLength -= nAttrLen - 1;
+        }
+      }
+      if (nVerb === 3 || (nVerb === 2 || nVerb === 1 && nLength > 0) && sCollectedTxt) {
+        vResult[sValueProp] = vBuiltVal;
+      } else if (!bHighVerb && nLength === 0 && sCollectedTxt) {
+        vResult = vBuiltVal;
+      }
+      if (bFreeze && (bHighVerb || nLength > 0)) {
+        Object.freeze(vResult);
+      }
+      aCache.length = nLevelStart;
+      return vResult;
+    }
+    function loadObjTree(oXMLDoc, oParentEl, oParentObj) {
+      var vValue, oChild;
+      if (oParentObj instanceof String || oParentObj instanceof Number || oParentObj instanceof Boolean) {
+        oParentEl.appendChild(oXMLDoc.createTextNode(oParentObj.toString()));
+      } else if (oParentObj.constructor === Date) {
+        oParentEl.appendChild(oXMLDoc.createTextNode(oParentObj.toGMTString()));
+      }
+      for (var sName in oParentObj) {
+        vValue = oParentObj[sName];
+        if (isFinite(sName) || vValue instanceof Function) {
+          continue;
+        }
+        if (sName === sValueProp) {
+          if (vValue !== null && vValue !== true) {
+            oParentEl.appendChild(oXMLDoc.createTextNode(vValue.constructor === Date ? vValue.toGMTString() : String(vValue)));
+          }
+        } else if (sName === sAttributesProp) {
+          for (var sAttrib in vValue) {
+            oParentEl.setAttribute(sAttrib, vValue[sAttrib]);
+          }
+        } else if (sName.charAt(0) === sAttrPref) {
+          oParentEl.setAttribute(sName.slice(1), vValue);
+        } else if (vValue.constructor === Array) {
+          for (var nItem = 0; nItem < vValue.length; nItem++) {
+            oChild = oXMLDoc.createElement(sName);
+            loadObjTree(oXMLDoc, oChild, vValue[nItem]);
+            oParentEl.appendChild(oChild);
+          }
+        } else {
+          oChild = oXMLDoc.createElement(sName);
+          if (vValue instanceof Object) {
+            loadObjTree(oXMLDoc, oChild, vValue);
+          } else if (vValue !== null && vValue !== true) {
+            oChild.appendChild(oXMLDoc.createTextNode(vValue.toString()));
+          }
+          oParentEl.appendChild(oChild);
+        }
+      }
+    }
+    this.build = function(oXMLParent, nVerbosity, bFreeze, bNesteAttributes) {
+      var _nVerb = arguments.length > 1 && typeof nVerbosity === "number" ? nVerbosity & 3 : (
+        /* put here the default verbosity level: */
+        1
+      );
+      return createObjTree(oXMLParent, _nVerb, bFreeze || false, arguments.length > 3 ? bNesteAttributes : _nVerb === 3);
+    };
+    this.unbuild = function(oObjTree) {
+      var oNewDoc = document.implementation.createDocument("", "", null);
+      loadObjTree(oNewDoc, oNewDoc, oObjTree);
+      return oNewDoc;
+    };
+    this.stringify = function(oObjTree) {
+      return new XMLSerializer().serializeToString(JXON.unbuild(oObjTree));
+    };
+  }();
+
+  // modules/ui/sections/changes.js
+  function uiSectionChanges(context) {
+    var _discardTags = {};
+    _mainFileFetcher.get("discarded").then(function(d) {
+      _discardTags = d;
+    }).catch(function() {
+    });
+    var section = uiSection("changes-list", context).label(function() {
+      var history = context.history();
+      var summary = history.difference().summary();
+      return _t.append("inspector.title_count", { title: _t("commit.changes"), count: summary.length });
+    }).disclosureContent(renderDisclosureContent);
+    function renderDisclosureContent(selection2) {
+      var history = context.history();
+      var summary = history.difference().summary();
+      var container = selection2.selectAll(".commit-section").data([0]);
+      var containerEnter = container.enter().append("div").attr("class", "commit-section");
+      containerEnter.append("ul").attr("class", "changeset-list");
+      container = containerEnter.merge(container);
+      var items = container.select("ul").selectAll("li").data(summary);
+      var itemsEnter = items.enter().append("li").attr("class", "change-item");
+      var buttons = itemsEnter.append("button").on("mouseover", mouseover).on("mouseout", mouseout).on("click", click);
+      buttons.each(function(d) {
+        select_default2(this).call(svgIcon("#iD-icon-" + d.entity.geometry(d.graph), "pre-text " + d.changeType));
+      });
+      buttons.append("span").attr("class", "change-type").html(function(d) {
+        return _t.html("commit." + d.changeType) + " ";
+      });
+      buttons.append("strong").attr("class", "entity-type").text(function(d) {
+        var matched = _mainPresetIndex.match(d.entity, d.graph);
+        return matched && matched.name() || utilDisplayType(d.entity.id);
+      });
+      buttons.append("span").attr("class", "entity-name").text(function(d) {
+        var name = utilDisplayName(d.entity) || "", string = "";
+        if (name !== "") {
+          string += ":";
+        }
+        return string += " " + name;
+      });
+      items = itemsEnter.merge(items);
+      var changeset = new osmChangeset().update({ id: void 0 });
+      var changes = history.changes(actionDiscardTags(history.difference(), _discardTags));
+      delete changeset.id;
+      var data = JXON.stringify(changeset.osmChangeJXON(changes));
+      var blob = new Blob([data], { type: "text/xml;charset=utf-8;" });
+      var fileName = "changes.osc";
+      var linkEnter = container.selectAll(".download-changes").data([0]).enter().append("a").attr("class", "download-changes");
+      linkEnter.attr("href", window.URL.createObjectURL(blob)).attr("download", fileName);
+      linkEnter.call(svgIcon("#iD-icon-load", "inline")).append("span").call(_t.append("commit.download_changes"));
+      function mouseover(d) {
+        if (d.entity) {
+          context.surface().selectAll(
+            utilEntityOrMemberSelector([d.entity.id], context.graph())
+          ).classed("hover", true);
+        }
+      }
+      function mouseout() {
+        context.surface().selectAll(".hover").classed("hover", false);
+      }
+      function click(d3_event, change) {
+        if (change.changeType !== "deleted") {
+          var entity = change.entity;
+          context.map().zoomToEase(entity);
+          context.surface().selectAll(utilEntityOrMemberSelector([entity.id], context.graph())).classed("hover", true);
+        }
+      }
+    }
+    return section;
+  }
+
+  // modules/ui/commit_warnings.js
+  function uiCommitWarnings(context) {
+    function commitWarnings(selection2) {
+      var issuesBySeverity = context.validator().getIssuesBySeverity({ what: "edited", where: "all", includeDisabledRules: true });
+      for (var severity in issuesBySeverity) {
+        var issues = issuesBySeverity[severity];
+        if (severity !== "error") {
+          issues = issues.filter(function(issue) {
+            return issue.type !== "help_request";
+          });
+        }
+        var section = severity + "-section";
+        var issueItem = severity + "-item";
+        var container = selection2.selectAll("." + section).data(issues.length ? [0] : []);
+        container.exit().remove();
+        var containerEnter = container.enter().append("div").attr("class", "modal-section " + section + " fillL2");
+        containerEnter.append("h3").call(severity === "warning" ? _t.append("commit.warnings") : _t.append("commit.errors"));
+        containerEnter.append("ul").attr("class", "changeset-list");
+        container = containerEnter.merge(container);
+        var items = container.select("ul").selectAll("li").data(issues, function(d) {
+          return d.key;
+        });
+        items.exit().remove();
+        var itemsEnter = items.enter().append("li").attr("class", issueItem);
+        var buttons = itemsEnter.append("button").on("mouseover", function(d3_event, d) {
+          if (d.entityIds) {
+            context.surface().selectAll(
+              utilEntityOrMemberSelector(
+                d.entityIds,
+                context.graph()
+              )
+            ).classed("hover", true);
+          }
+        }).on("mouseout", function() {
+          context.surface().selectAll(".hover").classed("hover", false);
+        }).on("click", function(d3_event, d) {
+          context.validator().focusIssue(d);
+        });
+        buttons.call(svgIcon("#iD-icon-alert", "pre-text"));
+        buttons.append("strong").attr("class", "issue-message");
+        buttons.filter(function(d) {
+          return d.tooltip;
+        }).call(
+          uiTooltip().title(function(d) {
+            return d.tooltip;
+          }).placement("top")
+        );
+        items = itemsEnter.merge(items);
+        items.selectAll(".issue-message").text("").each(function(d) {
+          return d.message(context)(select_default2(this));
+        });
+      }
+    }
+    return commitWarnings;
+  }
+
+  // modules/ui/commit.js
+  var readOnlyTags = [
+    /^changesets_count$/,
+    /^created_by$/,
+    /^ideditor:/,
+    /^imagery_used$/,
+    /^host$/,
+    /^locale$/,
+    /^warnings:/,
+    /^resolved:/,
+    /^closed:note$/,
+    /^closed:keepright$/,
+    /^closed:improveosm:/,
+    /^closed:osmose:/
+  ];
+  var hashtagRegex = /(#[^\u2000-\u206F\u2E00-\u2E7F\s\\'!"#$%()*,.\/:;<=>?@\[\]^`{|}~]+)/g;
+  function uiCommit(context) {
+    var dispatch10 = dispatch_default("cancel");
+    var _userDetails2;
+    var _selection;
+    var changesetEditor = uiChangesetEditor(context).on("change", changeTags);
+    var rawTagEditor = uiSectionRawTagEditor("changeset-tag-editor", context).on("change", changeTags).readOnlyTags(readOnlyTags);
+    var commitChanges = uiSectionChanges(context);
+    var commitWarnings = uiCommitWarnings(context);
+    function commit(selection2) {
+      _selection = selection2;
+      if (!context.changeset)
+        initChangeset();
+      loadDerivedChangesetTags();
+      selection2.call(render);
+    }
+    function initChangeset() {
+      var commentDate = +corePreferences("commentDate") || 0;
+      var currDate = Date.now();
+      var cutoff = 2 * 86400 * 1e3;
+      if (commentDate > currDate || currDate - commentDate > cutoff) {
+        corePreferences("comment", null);
+        corePreferences("hashtags", null);
+        corePreferences("source", null);
+      }
+      if (context.defaultChangesetComment()) {
+        corePreferences("comment", context.defaultChangesetComment());
+        corePreferences("commentDate", Date.now());
+      }
+      if (context.defaultChangesetSource()) {
+        corePreferences("source", context.defaultChangesetSource());
+        corePreferences("commentDate", Date.now());
+      }
+      if (context.defaultChangesetHashtags()) {
+        corePreferences("hashtags", context.defaultChangesetHashtags());
+        corePreferences("commentDate", Date.now());
+      }
+      var detected = utilDetect();
+      var tags = {
+        comment: corePreferences("comment") || "",
+        created_by: context.cleanTagValue("iD " + context.version),
+        host: context.cleanTagValue(detected.host),
+        locale: context.cleanTagValue(_mainLocalizer.localeCode())
+      };
+      findHashtags(tags, true);
+      var hashtags = corePreferences("hashtags");
+      if (hashtags) {
+        tags.hashtags = hashtags;
+      }
+      var source = corePreferences("source");
+      if (source) {
+        tags.source = source;
+      }
+      var photoOverlaysUsed = context.history().photoOverlaysUsed();
+      if (photoOverlaysUsed.length) {
+        var sources = (tags.source || "").split(";");
+        if (sources.indexOf("streetlevel imagery") === -1) {
+          sources.push("streetlevel imagery");
+        }
+        photoOverlaysUsed.forEach(function(photoOverlay) {
+          if (sources.indexOf(photoOverlay) === -1) {
+            sources.push(photoOverlay);
+          }
+        });
+        tags.source = context.cleanTagValue(sources.join(";"));
+      }
+      context.changeset = new osmChangeset({ tags });
+    }
+    function loadDerivedChangesetTags() {
+      var osm = context.connection();
+      if (!osm)
+        return;
+      var tags = Object.assign({}, context.changeset.tags);
+      var imageryUsed = context.cleanTagValue(context.history().imageryUsed().join(";"));
+      tags.imagery_used = imageryUsed || "None";
+      var osmClosed = osm.getClosedIDs();
+      var itemType;
+      if (osmClosed.length) {
+        tags["closed:note"] = context.cleanTagValue(osmClosed.join(";"));
+      }
+      if (services.keepRight) {
+        var krClosed = services.keepRight.getClosedIDs();
+        if (krClosed.length) {
+          tags["closed:keepright"] = context.cleanTagValue(krClosed.join(";"));
+        }
+      }
+      if (services.improveOSM) {
+        var iOsmClosed = services.improveOSM.getClosedCounts();
+        for (itemType in iOsmClosed) {
+          tags["closed:improveosm:" + itemType] = context.cleanTagValue(iOsmClosed[itemType].toString());
+        }
+      }
+      if (services.osmose) {
+        var osmoseClosed = services.osmose.getClosedCounts();
+        for (itemType in osmoseClosed) {
+          tags["closed:osmose:" + itemType] = context.cleanTagValue(osmoseClosed[itemType].toString());
+        }
+      }
+      for (var key in tags) {
+        if (key.match(/(^warnings:)|(^resolved:)/)) {
+          delete tags[key];
+        }
+      }
+      function addIssueCounts(issues, prefix) {
+        var issuesByType = utilArrayGroupBy(issues, "type");
+        for (var issueType in issuesByType) {
+          var issuesOfType = issuesByType[issueType];
+          if (issuesOfType[0].subtype) {
+            var issuesBySubtype = utilArrayGroupBy(issuesOfType, "subtype");
+            for (var issueSubtype in issuesBySubtype) {
+              var issuesOfSubtype = issuesBySubtype[issueSubtype];
+              tags[prefix + ":" + issueType + ":" + issueSubtype] = context.cleanTagValue(issuesOfSubtype.length.toString());
+            }
+          } else {
+            tags[prefix + ":" + issueType] = context.cleanTagValue(issuesOfType.length.toString());
+          }
+        }
+      }
+      var warnings = context.validator().getIssuesBySeverity({ what: "edited", where: "all", includeIgnored: true, includeDisabledRules: true }).warning.filter(function(issue) {
+        return issue.type !== "help_request";
+      });
+      addIssueCounts(warnings, "warnings");
+      var resolvedIssues = context.validator().getResolvedIssues();
+      addIssueCounts(resolvedIssues, "resolved");
+      context.changeset = context.changeset.update({ tags });
+    }
+    function render(selection2) {
+      var osm = context.connection();
+      if (!osm)
+        return;
+      var header = selection2.selectAll(".header").data([0]);
+      var headerTitle = header.enter().append("div").attr("class", "header fillL");
+      headerTitle.append("div").append("h2").call(_t.append("commit.title"));
+      headerTitle.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", function() {
+        dispatch10.call("cancel", this);
+      }).call(svgIcon("#iD-icon-close"));
+      var body = selection2.selectAll(".body").data([0]);
+      body = body.enter().append("div").attr("class", "body").merge(body);
+      var changesetSection = body.selectAll(".changeset-editor").data([0]);
+      changesetSection = changesetSection.enter().append("div").attr("class", "modal-section changeset-editor").merge(changesetSection);
+      changesetSection.call(
+        changesetEditor.changesetID(context.changeset.id).tags(context.changeset.tags)
+      );
+      body.call(commitWarnings);
+      var saveSection = body.selectAll(".save-section").data([0]);
+      saveSection = saveSection.enter().append("div").attr("class", "modal-section save-section fillL").merge(saveSection);
+      var prose = saveSection.selectAll(".commit-info").data([0]);
+      if (prose.enter().size()) {
+        _userDetails2 = null;
+      }
+      prose = prose.enter().append("p").attr("class", "commit-info").call(_t.append("commit.upload_explanation")).merge(prose);
+      osm.userDetails(function(err, user) {
+        if (err)
+          return;
+        if (_userDetails2 === user)
+          return;
+        _userDetails2 = user;
+        var userLink = select_default2(document.createElement("div"));
+        if (user.image_url) {
+          userLink.append("img").attr("src", user.image_url).attr("class", "icon pre-text user-icon");
+        }
+        userLink.append("a").attr("class", "user-info").text(user.display_name).attr("href", osm.userURL(user.display_name)).attr("target", "_blank");
+        prose.html(_t.html("commit.upload_explanation_with_user", { user: { html: userLink.html() } }));
+      });
+      var requestReview = saveSection.selectAll(".request-review").data([0]);
+      var requestReviewEnter = requestReview.enter().append("div").attr("class", "request-review");
+      var requestReviewDomId = utilUniqueDomId("commit-input-request-review");
+      var labelEnter = requestReviewEnter.append("label").attr("for", requestReviewDomId);
+      if (!labelEnter.empty()) {
+        labelEnter.call(uiTooltip().title(() => _t.append("commit.request_review_info")).placement("top"));
+      }
+      labelEnter.append("input").attr("type", "checkbox").attr("id", requestReviewDomId);
+      labelEnter.append("span").call(_t.append("commit.request_review"));
+      requestReview = requestReview.merge(requestReviewEnter);
+      var requestReviewInput = requestReview.selectAll("input").property("checked", isReviewRequested(context.changeset.tags)).on("change", toggleRequestReview);
+      var buttonSection = saveSection.selectAll(".buttons").data([0]);
+      var buttonEnter = buttonSection.enter().append("div").attr("class", "buttons fillL");
+      buttonEnter.append("button").attr("class", "secondary-action button cancel-button").append("span").attr("class", "label").call(_t.append("commit.cancel"));
+      var uploadButton = buttonEnter.append("button").attr("class", "action button save-button");
+      uploadButton.append("span").attr("class", "label").call(_t.append("commit.save"));
+      var uploadBlockerTooltipText = getUploadBlockerMessage();
+      buttonSection = buttonSection.merge(buttonEnter);
+      buttonSection.selectAll(".cancel-button").on("click.cancel", function() {
+        dispatch10.call("cancel", this);
+      });
+      buttonSection.selectAll(".save-button").classed("disabled", uploadBlockerTooltipText !== null).on("click.save", function() {
+        if (!select_default2(this).classed("disabled")) {
+          this.blur();
+          for (var key in context.changeset.tags) {
+            if (!key)
+              delete context.changeset.tags[key];
+          }
+          context.uploader().save(context.changeset);
+        }
+      });
+      uiTooltip().destroyAny(buttonSection.selectAll(".save-button"));
+      if (uploadBlockerTooltipText) {
+        buttonSection.selectAll(".save-button").call(uiTooltip().title(() => uploadBlockerTooltipText).placement("top"));
+      }
+      var tagSection = body.selectAll(".tag-section.raw-tag-editor").data([0]);
+      tagSection = tagSection.enter().append("div").attr("class", "modal-section tag-section raw-tag-editor").merge(tagSection);
+      tagSection.call(
+        rawTagEditor.tags(Object.assign({}, context.changeset.tags)).render
+      );
+      var changesSection = body.selectAll(".commit-changes-section").data([0]);
+      changesSection = changesSection.enter().append("div").attr("class", "modal-section commit-changes-section").merge(changesSection);
+      changesSection.call(commitChanges.render);
+      function toggleRequestReview() {
+        var rr = requestReviewInput.property("checked");
+        updateChangeset({ review_requested: rr ? "yes" : void 0 });
+        tagSection.call(
+          rawTagEditor.tags(Object.assign({}, context.changeset.tags)).render
+        );
+      }
+    }
+    function getUploadBlockerMessage() {
+      var errors = context.validator().getIssuesBySeverity({ what: "edited", where: "all" }).error;
+      if (errors.length) {
+        return _t.append("commit.outstanding_errors_message", { count: errors.length });
+      } else {
+        var hasChangesetComment = context.changeset && context.changeset.tags.comment && context.changeset.tags.comment.trim().length;
+        if (!hasChangesetComment) {
+          return _t.append("commit.comment_needed_message");
+        }
+      }
+      return null;
+    }
+    function changeTags(_, changed, onInput) {
+      if (changed.hasOwnProperty("comment")) {
+        if (changed.comment === void 0) {
+          changed.comment = "";
+        }
+        if (!onInput) {
+          corePreferences("comment", changed.comment);
+          corePreferences("commentDate", Date.now());
+        }
+      }
+      if (changed.hasOwnProperty("source")) {
+        if (changed.source === void 0) {
+          corePreferences("source", null);
+        } else if (!onInput) {
+          corePreferences("source", changed.source);
+          corePreferences("commentDate", Date.now());
+        }
+      }
+      updateChangeset(changed, onInput);
+      if (_selection) {
+        _selection.call(render);
+      }
+    }
+    function findHashtags(tags, commentOnly) {
+      var detectedHashtags = commentHashtags();
+      if (detectedHashtags.length) {
+        corePreferences("hashtags", null);
+      }
+      if (!detectedHashtags.length || !commentOnly) {
+        detectedHashtags = detectedHashtags.concat(hashtagHashtags());
+      }
+      var allLowerCase = /* @__PURE__ */ new Set();
+      return detectedHashtags.filter(function(hashtag) {
+        var lowerCase = hashtag.toLowerCase();
+        if (!allLowerCase.has(lowerCase)) {
+          allLowerCase.add(lowerCase);
+          return true;
+        }
+        return false;
+      });
+      function commentHashtags() {
+        var matches = (tags.comment || "").replace(/http\S*/g, "").match(hashtagRegex);
+        return matches || [];
+      }
+      function hashtagHashtags() {
+        var matches = (tags.hashtags || "").split(/[,;\s]+/).map(function(s) {
+          if (s[0] !== "#") {
+            s = "#" + s;
+          }
+          var matched = s.match(hashtagRegex);
+          return matched && matched[0];
+        }).filter(Boolean);
+        return matches || [];
+      }
+    }
+    function isReviewRequested(tags) {
+      var rr = tags.review_requested;
+      if (rr === void 0)
+        return false;
+      rr = rr.trim().toLowerCase();
+      return !(rr === "" || rr === "no");
+    }
+    function updateChangeset(changed, onInput) {
+      var tags = Object.assign({}, context.changeset.tags);
+      Object.keys(changed).forEach(function(k) {
+        var v = changed[k];
+        k = context.cleanTagKey(k);
+        if (readOnlyTags.indexOf(k) !== -1)
+          return;
+        if (v === void 0) {
+          delete tags[k];
+        } else if (onInput) {
+          tags[k] = v;
+        } else {
+          tags[k] = context.cleanTagValue(v);
+        }
+      });
+      if (!onInput) {
+        var commentOnly = changed.hasOwnProperty("comment") && changed.comment !== "";
+        var arr = findHashtags(tags, commentOnly);
+        if (arr.length) {
+          tags.hashtags = context.cleanTagValue(arr.join(";"));
+          corePreferences("hashtags", tags.hashtags);
+        } else {
+          delete tags.hashtags;
+          corePreferences("hashtags", null);
+        }
+      }
+      if (_userDetails2 && _userDetails2.changesets_count !== void 0) {
+        var changesetsCount = parseInt(_userDetails2.changesets_count, 10) + 1;
+        tags.changesets_count = String(changesetsCount);
+        if (changesetsCount <= 100) {
+          var s;
+          s = corePreferences("walkthrough_completed");
+          if (s) {
+            tags["ideditor:walkthrough_completed"] = s;
+          }
+          s = corePreferences("walkthrough_progress");
+          if (s) {
+            tags["ideditor:walkthrough_progress"] = s;
+          }
+          s = corePreferences("walkthrough_started");
+          if (s) {
+            tags["ideditor:walkthrough_started"] = s;
+          }
+        }
+      } else {
+        delete tags.changesets_count;
+      }
+      if (!(0, import_fast_deep_equal9.default)(context.changeset.tags, tags)) {
+        context.changeset = context.changeset.update({ tags });
+      }
+    }
+    commit.reset = function() {
+      context.changeset = null;
+    };
+    return utilRebind(commit, dispatch10, "on");
+  }
+
+  // modules/ui/confirm.js
+  function uiConfirm(selection2) {
+    var modalSelection = uiModal(selection2);
+    modalSelection.select(".modal").classed("modal-alert", true);
+    var section = modalSelection.select(".content");
+    section.append("div").attr("class", "modal-section header");
+    section.append("div").attr("class", "modal-section message-text");
+    var buttons = section.append("div").attr("class", "modal-section buttons cf");
+    modalSelection.okButton = function() {
+      buttons.append("button").attr("class", "button ok-button action").on("click.confirm", function() {
+        modalSelection.remove();
+      }).call(_t.append("confirm.okay")).node().focus();
+      return modalSelection;
+    };
+    return modalSelection;
+  }
+
+  // modules/ui/conflicts.js
+  function uiConflicts(context) {
+    var dispatch10 = dispatch_default("cancel", "save");
+    var keybinding = utilKeybinding("conflicts");
+    var _origChanges;
+    var _conflictList;
+    var _shownConflictIndex;
+    function keybindingOn() {
+      select_default2(document).call(keybinding.on("\u238B", cancel, true));
+    }
+    function keybindingOff() {
+      select_default2(document).call(keybinding.unbind);
+    }
+    function tryAgain() {
+      keybindingOff();
+      dispatch10.call("save");
+    }
+    function cancel() {
+      keybindingOff();
+      dispatch10.call("cancel");
+    }
+    function conflicts(selection2) {
+      keybindingOn();
+      var headerEnter = selection2.selectAll(".header").data([0]).enter().append("div").attr("class", "header fillL");
+      headerEnter.append("button").attr("class", "fr").attr("title", _t("icons.close")).on("click", cancel).call(svgIcon("#iD-icon-close"));
+      headerEnter.append("h2").call(_t.append("save.conflict.header"));
+      var bodyEnter = selection2.selectAll(".body").data([0]).enter().append("div").attr("class", "body fillL");
+      var conflictsHelpEnter = bodyEnter.append("div").attr("class", "conflicts-help").call(_t.append("save.conflict.help"));
+      var changeset = new osmChangeset();
+      delete changeset.id;
+      var data = JXON.stringify(changeset.osmChangeJXON(_origChanges));
+      var blob = new Blob([data], { type: "text/xml;charset=utf-8;" });
+      var fileName = "changes.osc";
+      var linkEnter = conflictsHelpEnter.selectAll(".download-changes").append("a").attr("class", "download-changes");
+      linkEnter.attr("href", window.URL.createObjectURL(blob)).attr("download", fileName);
+      linkEnter.call(svgIcon("#iD-icon-load", "inline")).append("span").call(_t.append("save.conflict.download_changes"));
+      bodyEnter.append("div").attr("class", "conflict-container fillL3").call(showConflict, 0);
+      bodyEnter.append("div").attr("class", "conflicts-done").attr("opacity", 0).style("display", "none").call(_t.append("save.conflict.done"));
+      var buttonsEnter = bodyEnter.append("div").attr("class", "buttons col12 joined conflicts-buttons");
+      buttonsEnter.append("button").attr("disabled", _conflictList.length > 1).attr("class", "action conflicts-button col6").call(_t.append("save.title")).on("click.try_again", tryAgain);
+      buttonsEnter.append("button").attr("class", "secondary-action conflicts-button col6").call(_t.append("confirm.cancel")).on("click.cancel", cancel);
+    }
+    function showConflict(selection2, index) {
+      index = utilWrap(index, _conflictList.length);
+      _shownConflictIndex = index;
+      var parent = select_default2(selection2.node().parentNode);
+      if (index === _conflictList.length - 1) {
+        window.setTimeout(function() {
+          parent.select(".conflicts-button").attr("disabled", null);
+          parent.select(".conflicts-done").transition().attr("opacity", 1).style("display", "block");
+        }, 250);
+      }
+      var conflict = selection2.selectAll(".conflict").data([_conflictList[index]]);
+      conflict.exit().remove();
+      var conflictEnter = conflict.enter().append("div").attr("class", "conflict");
+      conflictEnter.append("h4").attr("class", "conflict-count").call(_t.append("save.conflict.count", { num: index + 1, total: _conflictList.length }));
+      conflictEnter.append("a").attr("class", "conflict-description").attr("href", "#").text(function(d) {
+        return d.name;
+      }).on("click", function(d3_event, d) {
+        d3_event.preventDefault();
+        zoomToEntity(d.id);
+      });
+      var details = conflictEnter.append("div").attr("class", "conflict-detail-container");
+      details.append("ul").attr("class", "conflict-detail-list").selectAll("li").data(function(d) {
+        return d.details || [];
+      }).enter().append("li").attr("class", "conflict-detail-item").html(function(d) {
+        return d;
+      });
+      details.append("div").attr("class", "conflict-choices").call(addChoices);
+      details.append("div").attr("class", "conflict-nav-buttons joined cf").selectAll("button").data(["previous", "next"]).enter().append("button").attr("class", "conflict-nav-button action col6").attr("disabled", function(d, i2) {
+        return i2 === 0 && index === 0 || i2 === 1 && index === _conflictList.length - 1 || null;
+      }).on("click", function(d3_event, d) {
+        d3_event.preventDefault();
+        var container = parent.selectAll(".conflict-container");
+        var sign2 = d === "previous" ? -1 : 1;
+        container.selectAll(".conflict").remove();
+        container.call(showConflict, index + sign2);
+      }).each(function(d) {
+        _t.append("save.conflict." + d)(select_default2(this));
+      });
+    }
+    function addChoices(selection2) {
+      var choices = selection2.append("ul").attr("class", "layer-list").selectAll("li").data(function(d) {
+        return d.choices || [];
+      });
+      var choicesEnter = choices.enter().append("li").attr("class", "layer");
+      var labelEnter = choicesEnter.append("label");
+      labelEnter.append("input").attr("type", "radio").attr("name", function(d) {
+        return d.id;
+      }).on("change", function(d3_event, d) {
+        var ul = this.parentNode.parentNode.parentNode;
+        ul.__data__.chosen = d.id;
+        choose(d3_event, ul, d);
+      });
+      labelEnter.append("span").text(function(d) {
+        return d.text;
+      });
+      choicesEnter.merge(choices).each(function(d) {
+        var ul = this.parentNode;
+        if (ul.__data__.chosen === d.id) {
+          choose(null, ul, d);
+        }
+      });
+    }
+    function choose(d3_event, ul, datum2) {
+      if (d3_event)
+        d3_event.preventDefault();
+      select_default2(ul).selectAll("li").classed("active", function(d) {
+        return d === datum2;
+      }).selectAll("input").property("checked", function(d) {
+        return d === datum2;
+      });
+      var extent = geoExtent();
+      var entity;
+      entity = context.graph().hasEntity(datum2.id);
+      if (entity)
+        extent._extend(entity.extent(context.graph()));
+      datum2.action();
+      entity = context.graph().hasEntity(datum2.id);
+      if (entity)
+        extent._extend(entity.extent(context.graph()));
+      zoomToEntity(datum2.id, extent);
+    }
+    function zoomToEntity(id2, extent) {
+      context.surface().selectAll(".hover").classed("hover", false);
+      var entity = context.graph().hasEntity(id2);
+      if (entity) {
+        if (extent) {
+          context.map().trimmedExtent(extent);
+        } else {
+          context.map().zoomToEase(entity);
+        }
+        context.surface().selectAll(utilEntityOrMemberSelector([entity.id], context.graph())).classed("hover", true);
+      }
+    }
+    conflicts.conflictList = function(_) {
+      if (!arguments.length)
+        return _conflictList;
+      _conflictList = _;
+      return conflicts;
+    };
+    conflicts.origChanges = function(_) {
+      if (!arguments.length)
+        return _origChanges;
+      _origChanges = _;
+      return conflicts;
+    };
+    conflicts.shownEntityIds = function() {
+      if (_conflictList && typeof _shownConflictIndex === "number") {
+        return [_conflictList[_shownConflictIndex].id];
+      }
+      return [];
+    };
+    return utilRebind(conflicts, dispatch10, "on");
+  }
+
+  // modules/ui/entity_editor.js
+  var import_fast_deep_equal10 = __toESM(require_fast_deep_equal());
+
+  // modules/ui/sections/entity_issues.js
+  function uiSectionEntityIssues(context) {
+    var preference = corePreferences("entity-issues.reference.expanded");
+    var _expanded = preference === null ? true : preference === "true";
+    var _entityIDs = [];
+    var _issues = [];
+    var _activeIssueID;
+    var section = uiSection("entity-issues", context).shouldDisplay(function() {
+      return _issues.length > 0;
+    }).label(function() {
+      return _t.append("inspector.title_count", { title: _t("issues.list_title"), count: _issues.length });
+    }).disclosureContent(renderDisclosureContent);
+    context.validator().on("validated.entity_issues", function() {
+      reloadIssues();
+      section.reRender();
+    }).on("focusedIssue.entity_issues", function(issue) {
+      makeActiveIssue(issue.id);
+    });
+    function reloadIssues() {
+      _issues = context.validator().getSharedEntityIssues(_entityIDs, { includeDisabledRules: true });
+    }
+    function makeActiveIssue(issueID) {
+      _activeIssueID = issueID;
+      section.selection().selectAll(".issue-container").classed("active", function(d) {
+        return d.id === _activeIssueID;
+      });
+    }
+    function renderDisclosureContent(selection2) {
+      selection2.classed("grouped-items-area", true);
+      _activeIssueID = _issues.length > 0 ? _issues[0].id : null;
+      var containers = selection2.selectAll(".issue-container").data(_issues, function(d) {
+        return d.key;
+      });
+      containers.exit().remove();
+      var containersEnter = containers.enter().append("div").attr("class", "issue-container");
+      var itemsEnter = containersEnter.append("div").attr("class", function(d) {
+        return "issue severity-" + d.severity;
+      }).on("mouseover.highlight", function(d3_event, d) {
+        var ids = d.entityIds.filter(function(e) {
+          return _entityIDs.indexOf(e) === -1;
+        });
+        utilHighlightEntities(ids, true, context);
+      }).on("mouseout.highlight", function(d3_event, d) {
+        var ids = d.entityIds.filter(function(e) {
+          return _entityIDs.indexOf(e) === -1;
+        });
+        utilHighlightEntities(ids, false, context);
+      });
+      var labelsEnter = itemsEnter.append("div").attr("class", "issue-label");
+      var textEnter = labelsEnter.append("button").attr("class", "issue-text").on("click", function(d3_event, d) {
+        makeActiveIssue(d.id);
+        var extent = d.extent(context.graph());
+        if (extent) {
+          var setZoom = Math.max(context.map().zoom(), 19);
+          context.map().unobscuredCenterZoomEase(extent.center(), setZoom);
+        }
+      });
+      textEnter.each(function(d) {
+        var iconName = "#iD-icon-" + (d.severity === "warning" ? "alert" : "error");
+        select_default2(this).call(svgIcon(iconName, "issue-icon"));
+      });
+      textEnter.append("span").attr("class", "issue-message");
+      var infoButton = labelsEnter.append("button").attr("class", "issue-info-button").attr("title", _t("icons.information")).call(svgIcon("#iD-icon-inspect"));
+      infoButton.on("click", function(d3_event) {
+        d3_event.stopPropagation();
+        d3_event.preventDefault();
+        this.blur();
+        var container = select_default2(this.parentNode.parentNode.parentNode);
+        var info = container.selectAll(".issue-info");
+        var isExpanded = info.classed("expanded");
+        _expanded = !isExpanded;
+        corePreferences("entity-issues.reference.expanded", _expanded);
+        if (isExpanded) {
+          info.transition().duration(200).style("max-height", "0px").style("opacity", "0").on("end", function() {
+            info.classed("expanded", false);
+          });
+        } else {
+          info.classed("expanded", true).transition().duration(200).style("max-height", "200px").style("opacity", "1").on("end", function() {
+            info.style("max-height", null);
+          });
+        }
+      });
+      itemsEnter.append("ul").attr("class", "issue-fix-list");
+      containersEnter.append("div").attr("class", "issue-info" + (_expanded ? " expanded" : "")).style("max-height", _expanded ? null : "0").style("opacity", _expanded ? "1" : "0").each(function(d) {
+        if (typeof d.reference === "function") {
+          select_default2(this).call(d.reference);
+        } else {
+          select_default2(this).call(_t.append("inspector.no_documentation_key"));
+        }
+      });
+      containers = containers.merge(containersEnter).classed("active", function(d) {
+        return d.id === _activeIssueID;
+      });
+      containers.selectAll(".issue-message").text("").each(function(d) {
+        return d.message(context)(select_default2(this));
+      });
+      var fixLists = containers.selectAll(".issue-fix-list");
+      var fixes = fixLists.selectAll(".issue-fix-item").data(function(d) {
+        return d.fixes ? d.fixes(context) : [];
+      }, function(fix) {
+        return fix.id;
+      });
+      fixes.exit().remove();
+      var fixesEnter = fixes.enter().append("li").attr("class", "issue-fix-item");
+      var buttons = fixesEnter.append("button").on("click", function(d3_event, d) {
+        if (select_default2(this).attr("disabled") || !d.onClick)
+          return;
+        if (d.issue.dateLastRanFix && /* @__PURE__ */ new Date() - d.issue.dateLastRanFix < 1e3)
+          return;
+        d.issue.dateLastRanFix = /* @__PURE__ */ new Date();
+        utilHighlightEntities(d.issue.entityIds.concat(d.entityIds), false, context);
+        new Promise(function(resolve, reject) {
+          d.onClick(context, resolve, reject);
+          if (d.onClick.length <= 1) {
+            resolve();
+          }
+        }).then(function() {
+          context.validator().validate();
+        });
+      }).on("mouseover.highlight", function(d3_event, d) {
+        utilHighlightEntities(d.entityIds, true, context);
+      }).on("mouseout.highlight", function(d3_event, d) {
+        utilHighlightEntities(d.entityIds, false, context);
+      });
+      buttons.each(function(d) {
+        var iconName = d.icon || "iD-icon-wrench";
+        if (iconName.startsWith("maki")) {
+          iconName += "-15";
+        }
+        select_default2(this).call(svgIcon("#" + iconName, "fix-icon"));
+      });
+      buttons.append("span").attr("class", "fix-message").each(function(d) {
+        return d.title(select_default2(this));
+      });
+      fixesEnter.merge(fixes).selectAll("button").classed("actionable", function(d) {
+        return d.onClick;
+      }).attr("disabled", function(d) {
+        return d.onClick ? null : "true";
+      }).attr("title", function(d) {
+        if (d.disabledReason) {
+          return d.disabledReason;
+        }
+        return null;
+      });
+    }
+    section.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      if (!_entityIDs || !val || !utilArrayIdentical(_entityIDs, val)) {
+        _entityIDs = val;
+        _activeIssueID = null;
+        reloadIssues();
+      }
+      return section;
+    };
+    return section;
+  }
+
+  // modules/ui/preset_icon.js
+  function uiPresetIcon() {
+    let _preset;
+    let _geometry;
+    function presetIcon(selection2) {
+      selection2.each(render);
+    }
+    function getIcon(p, geom) {
+      if (p.isFallback && p.isFallback())
+        return geom === "vertex" ? "" : "iD-icon-" + p.id;
+      if (p.icon)
+        return p.icon;
+      if (geom === "line")
+        return "iD-other-line";
+      if (geom === "vertex")
+        return "temaki-vertex";
+      return "maki-marker-stroked";
+    }
+    function renderPointBorder(container, drawPoint) {
+      let pointBorder = container.selectAll(".preset-icon-point-border").data(drawPoint ? [0] : []);
+      pointBorder.exit().remove();
+      let pointBorderEnter = pointBorder.enter();
+      const w = 40;
+      const h = 40;
+      pointBorderEnter.append("svg").attr("class", "preset-icon-fill preset-icon-point-border").attr("width", w).attr("height", h).attr("viewBox", `0 0 ${w} ${h}`).append("path").attr("transform", "translate(11.5, 8)").attr("d", "M 17,8 C 17,13 11,21 8.5,23.5 C 6,21 0,13 0,8 C 0,4 4,-0.5 8.5,-0.5 C 13,-0.5 17,4 17,8 z");
+      pointBorder = pointBorderEnter.merge(pointBorder);
+    }
+    function renderCategoryBorder(container, category) {
+      let categoryBorder = container.selectAll(".preset-icon-category-border").data(category ? [0] : []);
+      categoryBorder.exit().remove();
+      let categoryBorderEnter = categoryBorder.enter();
+      const d = 60;
+      let svgEnter = categoryBorderEnter.append("svg").attr("class", "preset-icon-fill preset-icon-category-border").attr("width", d).attr("height", d).attr("viewBox", `0 0 ${d} ${d}`);
+      svgEnter.append("path").attr("class", "area").attr("d", "M9.5,7.5 L25.5,7.5 L28.5,12.5 L49.5,12.5 C51.709139,12.5 53.5,14.290861 53.5,16.5 L53.5,43.5 C53.5,45.709139 51.709139,47.5 49.5,47.5 L10.5,47.5 C8.290861,47.5 6.5,45.709139 6.5,43.5 L6.5,12.5 L9.5,7.5 Z");
+      categoryBorder = categoryBorderEnter.merge(categoryBorder);
+      if (category) {
+        categoryBorder.selectAll("path").attr("class", `area ${category.id}`);
+      }
+    }
+    function renderCircleFill(container, drawVertex) {
+      let vertexFill = container.selectAll(".preset-icon-fill-vertex").data(drawVertex ? [0] : []);
+      vertexFill.exit().remove();
+      let vertexFillEnter = vertexFill.enter();
+      const w = 60;
+      const h = 60;
+      const d = 40;
+      vertexFillEnter.append("svg").attr("class", "preset-icon-fill preset-icon-fill-vertex").attr("width", w).attr("height", h).attr("viewBox", `0 0 ${w} ${h}`).append("circle").attr("cx", w / 2).attr("cy", h / 2).attr("r", d / 2);
+      vertexFill = vertexFillEnter.merge(vertexFill);
+    }
+    function renderSquareFill(container, drawArea, tagClasses) {
+      let fill = container.selectAll(".preset-icon-fill-area").data(drawArea ? [0] : []);
+      fill.exit().remove();
+      let fillEnter = fill.enter();
+      const d = 60;
+      const w = d;
+      const h = d;
+      const l = d * 2 / 3;
+      const c1 = (w - l) / 2;
+      const c2 = c1 + l;
+      fillEnter = fillEnter.append("svg").attr("class", "preset-icon-fill preset-icon-fill-area").attr("width", w).attr("height", h).attr("viewBox", `0 0 ${w} ${h}`);
+      ["fill", "stroke"].forEach((klass) => {
+        fillEnter.append("path").attr("d", `M${c1} ${c1} L${c1} ${c2} L${c2} ${c2} L${c2} ${c1} Z`).attr("class", `area ${klass}`);
+      });
+      const rVertex = 2.5;
+      [[c1, c1], [c1, c2], [c2, c2], [c2, c1]].forEach((point2) => {
+        fillEnter.append("circle").attr("class", "vertex").attr("cx", point2[0]).attr("cy", point2[1]).attr("r", rVertex);
+      });
+      const rMidpoint = 1.25;
+      [[c1, w / 2], [c2, w / 2], [h / 2, c1], [h / 2, c2]].forEach((point2) => {
+        fillEnter.append("circle").attr("class", "midpoint").attr("cx", point2[0]).attr("cy", point2[1]).attr("r", rMidpoint);
+      });
+      fill = fillEnter.merge(fill);
+      fill.selectAll("path.stroke").attr("class", `area stroke ${tagClasses}`);
+      fill.selectAll("path.fill").attr("class", `area fill ${tagClasses}`);
+    }
+    function renderLine(container, drawLine, tagClasses) {
+      let line = container.selectAll(".preset-icon-line").data(drawLine ? [0] : []);
+      line.exit().remove();
+      let lineEnter = line.enter();
+      const d = 60;
+      const w = d;
+      const h = d;
+      const y = Math.round(d * 0.72);
+      const l = Math.round(d * 0.6);
+      const r = 2.5;
+      const x12 = (w - l) / 2;
+      const x2 = x12 + l;
+      lineEnter = lineEnter.append("svg").attr("class", "preset-icon-line").attr("width", w).attr("height", h).attr("viewBox", `0 0 ${w} ${h}`);
+      ["casing", "stroke"].forEach((klass) => {
+        lineEnter.append("path").attr("d", `M${x12} ${y} L${x2} ${y}`).attr("class", `line ${klass}`);
+      });
+      [[x12 - 1, y], [x2 + 1, y]].forEach((point2) => {
+        lineEnter.append("circle").attr("class", "vertex").attr("cx", point2[0]).attr("cy", point2[1]).attr("r", r);
+      });
+      line = lineEnter.merge(line);
+      line.selectAll("path.stroke").attr("class", `line stroke ${tagClasses}`);
+      line.selectAll("path.casing").attr("class", `line casing ${tagClasses}`);
+    }
+    function renderRoute(container, drawRoute, p) {
+      let route = container.selectAll(".preset-icon-route").data(drawRoute ? [0] : []);
+      route.exit().remove();
+      let routeEnter = route.enter();
+      const d = 60;
+      const w = d;
+      const h = d;
+      const y12 = Math.round(d * 0.8);
+      const y2 = Math.round(d * 0.68);
+      const l = Math.round(d * 0.6);
+      const r = 2;
+      const x12 = (w - l) / 2;
+      const x2 = x12 + l / 3;
+      const x3 = x2 + l / 3;
+      const x4 = x3 + l / 3;
+      routeEnter = routeEnter.append("svg").attr("class", "preset-icon-route").attr("width", w).attr("height", h).attr("viewBox", `0 0 ${w} ${h}`);
+      ["casing", "stroke"].forEach((klass) => {
+        routeEnter.append("path").attr("d", `M${x12} ${y12} L${x2} ${y2}`).attr("class", `segment0 line ${klass}`);
+        routeEnter.append("path").attr("d", `M${x2} ${y2} L${x3} ${y12}`).attr("class", `segment1 line ${klass}`);
+        routeEnter.append("path").attr("d", `M${x3} ${y12} L${x4} ${y2}`).attr("class", `segment2 line ${klass}`);
+      });
+      [[x12, y12], [x2, y2], [x3, y12], [x4, y2]].forEach((point2) => {
+        routeEnter.append("circle").attr("class", "vertex").attr("cx", point2[0]).attr("cy", point2[1]).attr("r", r);
+      });
+      route = routeEnter.merge(route);
+      if (drawRoute) {
+        let routeType = p.tags.type === "waterway" ? "waterway" : p.tags.route;
+        const segmentPresetIDs = routeSegments[routeType];
+        for (let i2 in segmentPresetIDs) {
+          const segmentPreset = _mainPresetIndex.item(segmentPresetIDs[i2]);
+          const segmentTagClasses = svgTagClasses().getClassesString(segmentPreset.tags, "");
+          route.selectAll(`path.stroke.segment${i2}`).attr("class", `segment${i2} line stroke ${segmentTagClasses}`);
+          route.selectAll(`path.casing.segment${i2}`).attr("class", `segment${i2} line casing ${segmentTagClasses}`);
+        }
+      }
+    }
+    function renderSvgIcon(container, picon, geom, isFramed, category, tagClasses) {
+      const isMaki = picon && /^maki-/.test(picon);
+      const isTemaki = picon && /^temaki-/.test(picon);
+      const isFa = picon && /^fa[srb]-/.test(picon);
+      const isR\u00F6ntgen = picon && /^roentgen-/.test(picon);
+      const isiDIcon = picon && !(isMaki || isTemaki || isFa || isR\u00F6ntgen);
+      let icon2 = container.selectAll(".preset-icon").data(picon ? [0] : []);
+      icon2.exit().remove();
+      icon2 = icon2.enter().append("div").attr("class", "preset-icon").call(svgIcon("")).merge(icon2);
+      icon2.attr("class", "preset-icon " + (geom ? geom + "-geom" : "")).classed("category", category).classed("framed", isFramed).classed("preset-icon-iD", isiDIcon);
+      icon2.selectAll("svg").attr("class", "icon " + picon + " " + (!isiDIcon && geom !== "line" ? "" : tagClasses));
+      icon2.selectAll("use").attr("href", "#" + picon);
+    }
+    function renderImageIcon(container, imageURL) {
+      let imageIcon = container.selectAll("img.image-icon").data(imageURL ? [0] : []);
+      imageIcon.exit().remove();
+      imageIcon = imageIcon.enter().append("img").attr("class", "image-icon").on("load", () => container.classed("showing-img", true)).on("error", () => container.classed("showing-img", false)).merge(imageIcon);
+      imageIcon.attr("src", imageURL);
+    }
+    const routeSegments = {
+      bicycle: ["highway/cycleway", "highway/cycleway", "highway/cycleway"],
+      bus: ["highway/unclassified", "highway/secondary", "highway/primary"],
+      trolleybus: ["highway/unclassified", "highway/secondary", "highway/primary"],
+      detour: ["highway/tertiary", "highway/residential", "highway/unclassified"],
+      ferry: ["route/ferry", "route/ferry", "route/ferry"],
+      foot: ["highway/footway", "highway/footway", "highway/footway"],
+      hiking: ["highway/path", "highway/path", "highway/path"],
+      horse: ["highway/bridleway", "highway/bridleway", "highway/bridleway"],
+      light_rail: ["railway/light_rail", "railway/light_rail", "railway/light_rail"],
+      monorail: ["railway/monorail", "railway/monorail", "railway/monorail"],
+      mtb: ["highway/path", "highway/track", "highway/bridleway"],
+      pipeline: ["man_made/pipeline", "man_made/pipeline", "man_made/pipeline"],
+      piste: ["piste/downhill", "piste/hike", "piste/nordic"],
+      power: ["power/line", "power/line", "power/line"],
+      road: ["highway/secondary", "highway/primary", "highway/trunk"],
+      subway: ["railway/subway", "railway/subway", "railway/subway"],
+      train: ["railway/rail", "railway/rail", "railway/rail"],
+      tram: ["railway/tram", "railway/tram", "railway/tram"],
+      waterway: ["waterway/stream", "waterway/stream", "waterway/stream"]
+    };
+    function render() {
+      let p = _preset.apply(this, arguments);
+      let geom = _geometry ? _geometry.apply(this, arguments) : null;
+      if (geom === "relation" && p.tags && (p.tags.type === "route" && p.tags.route && routeSegments[p.tags.route] || p.tags.type === "waterway")) {
+        geom = "route";
+      }
+      const showThirdPartyIcons = corePreferences("preferences.privacy.thirdpartyicons") || "true";
+      const isFallback = p.isFallback && p.isFallback();
+      const imageURL = showThirdPartyIcons === "true" && p.imageURL;
+      const picon = getIcon(p, geom);
+      const isCategory = !p.setTags;
+      const drawPoint = false;
+      const drawVertex = picon !== null && geom === "vertex";
+      const drawLine = picon && geom === "line" && !isFallback && !isCategory;
+      const drawArea = picon && geom === "area" && !isFallback && !isCategory;
+      const drawRoute = picon && geom === "route";
+      const isFramed = drawVertex || drawArea || drawLine || drawRoute || isCategory;
+      let tags = !isCategory ? p.setTags({}, geom) : {};
+      for (let k in tags) {
+        if (tags[k] === "*") {
+          tags[k] = "yes";
+        }
+      }
+      let tagClasses = svgTagClasses().getClassesString(tags, "");
+      let selection2 = select_default2(this);
+      let container = selection2.selectAll(".preset-icon-container").data([0]);
+      container = container.enter().append("div").attr("class", "preset-icon-container").merge(container);
+      container.classed("showing-img", !!imageURL).classed("fallback", isFallback);
+      renderCategoryBorder(container, isCategory && p);
+      renderPointBorder(container, drawPoint);
+      renderCircleFill(container, drawVertex);
+      renderSquareFill(container, drawArea, tagClasses);
+      renderLine(container, drawLine, tagClasses);
+      renderRoute(container, drawRoute, p);
+      renderSvgIcon(container, picon, geom, isFramed, isCategory, tagClasses);
+      renderImageIcon(container, imageURL);
+    }
+    presetIcon.preset = function(val) {
+      if (!arguments.length)
+        return _preset;
+      _preset = utilFunctor(val);
+      return presetIcon;
+    };
+    presetIcon.geometry = function(val) {
+      if (!arguments.length)
+        return _geometry;
+      _geometry = utilFunctor(val);
+      return presetIcon;
+    };
+    return presetIcon;
+  }
+
+  // modules/ui/sections/feature_type.js
+  function uiSectionFeatureType(context) {
+    var dispatch10 = dispatch_default("choose");
+    var _entityIDs = [];
+    var _presets = [];
+    var _tagReference;
+    var section = uiSection("feature-type", context).label(() => _t.append("inspector.feature_type")).disclosureContent(renderDisclosureContent);
+    function renderDisclosureContent(selection2) {
+      selection2.classed("preset-list-item", true);
+      selection2.classed("mixed-types", _presets.length > 1);
+      var presetButtonWrap = selection2.selectAll(".preset-list-button-wrap").data([0]).enter().append("div").attr("class", "preset-list-button-wrap");
+      var presetButton = presetButtonWrap.append("button").attr("class", "preset-list-button preset-reset").call(
+        uiTooltip().title(() => _t.append("inspector.back_tooltip")).placement("bottom")
+      );
+      presetButton.append("div").attr("class", "preset-icon-container");
+      presetButton.append("div").attr("class", "label").append("div").attr("class", "label-inner");
+      presetButtonWrap.append("div").attr("class", "accessory-buttons");
+      var tagReferenceBodyWrap = selection2.selectAll(".tag-reference-body-wrap").data([0]);
+      tagReferenceBodyWrap = tagReferenceBodyWrap.enter().append("div").attr("class", "tag-reference-body-wrap").merge(tagReferenceBodyWrap);
+      if (_tagReference) {
+        selection2.selectAll(".preset-list-button-wrap .accessory-buttons").style("display", _presets.length === 1 ? null : "none").call(_tagReference.button);
+        tagReferenceBodyWrap.style("display", _presets.length === 1 ? null : "none").call(_tagReference.body);
+      }
+      selection2.selectAll(".preset-reset").on("click", function() {
+        dispatch10.call("choose", this, _presets);
+      }).on("pointerdown pointerup mousedown mouseup", function(d3_event) {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+      });
+      var geometries = entityGeometries();
+      selection2.select(".preset-list-item button").call(
+        uiPresetIcon().geometry(_presets.length === 1 ? geometries.length === 1 && geometries[0] : null).preset(_presets.length === 1 ? _presets[0] : _mainPresetIndex.item("point"))
+      );
+      var names = _presets.length === 1 ? [
+        _presets[0].nameLabel(),
+        _presets[0].subtitleLabel()
+      ].filter(Boolean) : [_t.append("inspector.multiple_types")];
+      var label = selection2.select(".label-inner");
+      var nameparts = label.selectAll(".namepart").data(names, (d) => d.stringId);
+      nameparts.exit().remove();
+      nameparts.enter().append("div").attr("class", "namepart").text("").each(function(d) {
+        d(select_default2(this));
+      });
+    }
+    section.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return section;
+    };
+    section.presets = function(val) {
+      if (!arguments.length)
+        return _presets;
+      if (!utilArrayIdentical(val, _presets)) {
+        _presets = val;
+        if (_presets.length === 1) {
+          _tagReference = uiTagReference(_presets[0].reference(), context).showing(false);
+        }
+      }
+      return section;
+    };
+    function entityGeometries() {
+      var counts = {};
+      for (var i2 in _entityIDs) {
+        var geometry = context.graph().geometry(_entityIDs[i2]);
+        if (!counts[geometry])
+          counts[geometry] = 0;
+        counts[geometry] += 1;
+      }
+      return Object.keys(counts).sort(function(geom1, geom2) {
+        return counts[geom2] - counts[geom1];
+      });
+    }
+    return utilRebind(section, dispatch10, "on");
+  }
+
+  // modules/ui/sections/preset_fields.js
+  function uiSectionPresetFields(context) {
+    var section = uiSection("preset-fields", context).label(() => _t.append("inspector.fields")).disclosureContent(renderDisclosureContent);
+    var dispatch10 = dispatch_default("change", "revert");
+    var formFields = uiFormFields(context);
+    var _state;
+    var _fieldsArr;
+    var _presets = [];
+    var _tags;
+    var _entityIDs;
+    function renderDisclosureContent(selection2) {
+      if (!_fieldsArr) {
+        var graph = context.graph();
+        var geometries = Object.keys(_entityIDs.reduce(function(geoms, entityID) {
+          geoms[graph.entity(entityID).geometry(graph)] = true;
+          return geoms;
+        }, {}));
+        const loc = _entityIDs.reduce(function(extent, entityID) {
+          var entity = context.graph().entity(entityID);
+          return extent.extend(entity.extent(context.graph()));
+        }, geoExtent()).center();
+        var presetsManager = _mainPresetIndex;
+        var allFields = [];
+        var allMoreFields = [];
+        var sharedTotalFields;
+        _presets.forEach(function(preset) {
+          var fields = preset.fields(loc);
+          var moreFields = preset.moreFields(loc);
+          allFields = utilArrayUnion(allFields, fields);
+          allMoreFields = utilArrayUnion(allMoreFields, moreFields);
+          if (!sharedTotalFields) {
+            sharedTotalFields = utilArrayUnion(fields, moreFields);
+          } else {
+            sharedTotalFields = sharedTotalFields.filter(function(field) {
+              return fields.indexOf(field) !== -1 || moreFields.indexOf(field) !== -1;
+            });
+          }
+        });
+        var sharedFields = allFields.filter(function(field) {
+          return sharedTotalFields.indexOf(field) !== -1;
+        });
+        var sharedMoreFields = allMoreFields.filter(function(field) {
+          return sharedTotalFields.indexOf(field) !== -1;
+        });
+        _fieldsArr = [];
+        sharedFields.forEach(function(field) {
+          if (field.matchAllGeometry(geometries)) {
+            _fieldsArr.push(
+              uiField(context, field, _entityIDs)
+            );
+          }
+        });
+        var singularEntity = _entityIDs.length === 1 && graph.hasEntity(_entityIDs[0]);
+        if (singularEntity && singularEntity.isHighwayIntersection(graph) && presetsManager.field("restrictions")) {
+          _fieldsArr.push(
+            uiField(context, presetsManager.field("restrictions"), _entityIDs)
+          );
+        }
+        var additionalFields = utilArrayUnion(sharedMoreFields, presetsManager.universal());
+        additionalFields.sort(function(field1, field2) {
+          return field1.title().localeCompare(field2.title(), _mainLocalizer.localeCode());
+        });
+        additionalFields.forEach(function(field) {
+          if (sharedFields.indexOf(field) === -1 && field.matchAllGeometry(geometries)) {
+            _fieldsArr.push(
+              uiField(context, field, _entityIDs, { show: false })
+            );
+          }
+        });
+        _fieldsArr.forEach(function(field) {
+          field.on("change", function(t, onInput) {
+            dispatch10.call("change", field, _entityIDs, t, onInput);
+          }).on("revert", function(keys2) {
+            dispatch10.call("revert", field, keys2);
+          });
+        });
+      }
+      _fieldsArr.forEach(function(field) {
+        field.state(_state).tags(_tags);
+      });
+      selection2.call(
+        formFields.fieldsArr(_fieldsArr).state(_state).klass("grouped-items-area")
+      );
+    }
+    section.presets = function(val) {
+      if (!arguments.length)
+        return _presets;
+      if (!_presets || !val || !utilArrayIdentical(_presets, val)) {
+        _presets = val;
+        _fieldsArr = null;
+      }
+      return section;
+    };
+    section.state = function(val) {
+      if (!arguments.length)
+        return _state;
+      _state = val;
+      return section;
+    };
+    section.tags = function(val) {
+      if (!arguments.length)
+        return _tags;
+      _tags = val;
+      return section;
+    };
+    section.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      if (!val || !_entityIDs || !utilArrayIdentical(_entityIDs, val)) {
+        _entityIDs = val;
+        _fieldsArr = null;
+      }
+      return section;
+    };
+    return utilRebind(section, dispatch10, "on");
+  }
+
+  // modules/ui/sections/raw_member_editor.js
+  function uiSectionRawMemberEditor(context) {
+    var section = uiSection("raw-member-editor", context).shouldDisplay(function() {
+      if (!_entityIDs || _entityIDs.length !== 1)
+        return false;
+      var entity = context.hasEntity(_entityIDs[0]);
+      return entity && entity.type === "relation";
+    }).label(function() {
+      var entity = context.hasEntity(_entityIDs[0]);
+      if (!entity)
+        return "";
+      var gt = entity.members.length > _maxMembers ? ">" : "";
+      var count = gt + entity.members.slice(0, _maxMembers).length;
+      return _t.append("inspector.title_count", { title: _t("inspector.members"), count });
+    }).disclosureContent(renderDisclosureContent);
+    var taginfo = services.taginfo;
+    var _entityIDs;
+    var _maxMembers = 1e3;
+    function downloadMember(d3_event, d) {
+      d3_event.preventDefault();
+      select_default2(this.parentNode).classed("tag-reference-loading", true);
+      context.loadEntity(d.id, function() {
+        section.reRender();
+      });
+    }
+    function zoomToMember(d3_event, d) {
+      d3_event.preventDefault();
+      var entity = context.entity(d.id);
+      context.map().zoomToEase(entity);
+      utilHighlightEntities([d.id], true, context);
+    }
+    function selectMember(d3_event, d) {
+      d3_event.preventDefault();
+      utilHighlightEntities([d.id], false, context);
+      var entity = context.entity(d.id);
+      var mapExtent = context.map().extent();
+      if (!entity.intersects(mapExtent, context.graph())) {
+        context.map().zoomToEase(entity);
+      }
+      context.enter(modeSelect(context, [d.id]));
+    }
+    function changeRole(d3_event, d) {
+      var oldRole = d.role;
+      var newRole = context.cleanRelationRole(select_default2(this).property("value"));
+      if (oldRole !== newRole) {
+        var member = { id: d.id, type: d.type, role: newRole };
+        context.perform(
+          actionChangeMember(d.relation.id, member, d.index),
+          _t("operations.change_role.annotation", {
+            n: 1
+          })
+        );
+        context.validator().validate();
+      }
+    }
+    function deleteMember(d3_event, d) {
+      utilHighlightEntities([d.id], false, context);
+      context.perform(
+        actionDeleteMember(d.relation.id, d.index),
+        _t("operations.delete_member.annotation", {
+          n: 1
+        })
+      );
+      if (!context.hasEntity(d.relation.id)) {
+        context.enter(modeBrowse(context));
+      } else {
+        context.validator().validate();
+      }
+    }
+    function renderDisclosureContent(selection2) {
+      var entityID = _entityIDs[0];
+      var memberships = [];
+      var entity = context.entity(entityID);
+      entity.members.slice(0, _maxMembers).forEach(function(member, index) {
+        memberships.push({
+          index,
+          id: member.id,
+          type: member.type,
+          role: member.role,
+          relation: entity,
+          member: context.hasEntity(member.id),
+          domId: utilUniqueDomId(entityID + "-member-" + index)
+        });
+      });
+      var list = selection2.selectAll(".member-list").data([0]);
+      list = list.enter().append("ul").attr("class", "member-list").merge(list);
+      var items = list.selectAll("li").data(memberships, function(d) {
+        return osmEntity.key(d.relation) + "," + d.index + "," + (d.member ? osmEntity.key(d.member) : "incomplete");
+      });
+      items.exit().each(unbind).remove();
+      var itemsEnter = items.enter().append("li").attr("class", "member-row form-field").classed("member-incomplete", function(d) {
+        return !d.member;
+      });
+      itemsEnter.each(function(d) {
+        var item = select_default2(this);
+        var label = item.append("label").attr("class", "field-label").attr("for", d.domId);
+        if (d.member) {
+          item.on("mouseover", function() {
+            utilHighlightEntities([d.id], true, context);
+          }).on("mouseout", function() {
+            utilHighlightEntities([d.id], false, context);
+          });
+          var labelLink = label.append("span").attr("class", "label-text").append("a").attr("href", "#").on("click", selectMember);
+          labelLink.append("span").attr("class", "member-entity-type").text(function(d2) {
+            var matched = _mainPresetIndex.match(d2.member, context.graph());
+            return matched && matched.name() || utilDisplayType(d2.member.id);
+          });
+          labelLink.append("span").attr("class", "member-entity-name").text(function(d2) {
+            return utilDisplayName(d2.member);
+          });
+          label.append("button").attr("title", _t("icons.remove")).attr("class", "remove member-delete").call(svgIcon("#iD-operation-delete"));
+          label.append("button").attr("class", "member-zoom").attr("title", _t("icons.zoom_to")).call(svgIcon("#iD-icon-framed-dot", "monochrome")).on("click", zoomToMember);
+        } else {
+          var labelText = label.append("span").attr("class", "label-text");
+          labelText.append("span").attr("class", "member-entity-type").call(_t.append("inspector." + d.type, { id: d.id }));
+          labelText.append("span").attr("class", "member-entity-name").call(_t.append("inspector.incomplete", { id: d.id }));
+          label.append("button").attr("class", "member-download").attr("title", _t("icons.download")).call(svgIcon("#iD-icon-load")).on("click", downloadMember);
+        }
+      });
+      var wrapEnter = itemsEnter.append("div").attr("class", "form-field-input-wrap form-field-input-member");
+      wrapEnter.append("input").attr("class", "member-role").attr("id", function(d) {
+        return d.domId;
+      }).property("type", "text").attr("placeholder", _t("inspector.role")).call(utilNoAuto);
+      if (taginfo) {
+        wrapEnter.each(bindTypeahead);
+      }
+      items = items.merge(itemsEnter).order();
+      items.select("input.member-role").property("value", function(d) {
+        return d.role;
+      }).on("blur", changeRole).on("change", changeRole);
+      items.select("button.member-delete").on("click", deleteMember);
+      var dragOrigin, targetIndex;
+      items.call(
+        drag_default().on("start", function(d3_event) {
+          dragOrigin = {
+            x: d3_event.x,
+            y: d3_event.y
+          };
+          targetIndex = null;
+        }).on("drag", function(d3_event) {
+          var x = d3_event.x - dragOrigin.x, y = d3_event.y - dragOrigin.y;
+          if (!select_default2(this).classed("dragging") && // don't display drag until dragging beyond a distance threshold
+          Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2)) <= 5)
+            return;
+          var index = items.nodes().indexOf(this);
+          select_default2(this).classed("dragging", true);
+          targetIndex = null;
+          selection2.selectAll("li.member-row").style("transform", function(d2, index2) {
+            var node = select_default2(this).node();
+            if (index === index2) {
+              return "translate(" + x + "px, " + y + "px)";
+            } else if (index2 > index && d3_event.y > node.offsetTop) {
+              if (targetIndex === null || index2 > targetIndex) {
+                targetIndex = index2;
+              }
+              return "translateY(-100%)";
+            } else if (index2 < index && d3_event.y < node.offsetTop + node.offsetHeight) {
+              if (targetIndex === null || index2 < targetIndex) {
+                targetIndex = index2;
+              }
+              return "translateY(100%)";
+            }
+            return null;
+          });
+        }).on("end", function(d3_event, d) {
+          if (!select_default2(this).classed("dragging"))
+            return;
+          var index = items.nodes().indexOf(this);
+          select_default2(this).classed("dragging", false);
+          selection2.selectAll("li.member-row").style("transform", null);
+          if (targetIndex !== null) {
+            context.perform(
+              actionMoveMember(d.relation.id, index, targetIndex),
+              _t("operations.reorder_members.annotation")
+            );
+            context.validator().validate();
+          }
+        })
+      );
+      function bindTypeahead(d) {
+        var row = select_default2(this);
+        var role = row.selectAll("input.member-role");
+        var origValue = role.property("value");
+        function sort(value, data) {
+          var sameletter = [];
+          var other = [];
+          for (var i2 = 0; i2 < data.length; i2++) {
+            if (data[i2].value.substring(0, value.length) === value) {
+              sameletter.push(data[i2]);
+            } else {
+              other.push(data[i2]);
+            }
+          }
+          return sameletter.concat(other);
+        }
+        role.call(
+          uiCombobox(context, "member-role").fetcher(function(role2, callback) {
+            var geometry;
+            if (d.member) {
+              geometry = context.graph().geometry(d.member.id);
+            } else if (d.type === "relation") {
+              geometry = "relation";
+            } else if (d.type === "way") {
+              geometry = "line";
+            } else {
+              geometry = "point";
+            }
+            var rtype = entity.tags.type;
+            taginfo.roles({
+              debounce: true,
+              rtype: rtype || "",
+              geometry,
+              query: role2
+            }, function(err, data) {
+              if (!err)
+                callback(sort(role2, data));
+            });
+          }).on("cancel", function() {
+            role.property("value", origValue);
+          })
+        );
+      }
+      function unbind() {
+        var row = select_default2(this);
+        row.selectAll("input.member-role").call(uiCombobox.off, context);
+      }
+    }
+    section.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return section;
+    };
+    return section;
+  }
+
+  // modules/actions/delete_members.js
+  function actionDeleteMembers(relationId, memberIndexes) {
+    return function(graph) {
+      memberIndexes.sort((a, b) => b - a);
+      for (var i2 in memberIndexes) {
+        graph = actionDeleteMember(relationId, memberIndexes[i2])(graph);
+      }
+      return graph;
+    };
+  }
+
+  // modules/ui/sections/raw_membership_editor.js
+  function uiSectionRawMembershipEditor(context) {
+    var section = uiSection("raw-membership-editor", context).shouldDisplay(function() {
+      return _entityIDs && _entityIDs.length;
+    }).label(function() {
+      var parents = getSharedParentRelations();
+      var gt = parents.length > _maxMemberships ? ">" : "";
+      var count = gt + parents.slice(0, _maxMemberships).length;
+      return _t.append("inspector.title_count", { title: _t("inspector.relations"), count });
+    }).disclosureContent(renderDisclosureContent);
+    var taginfo = services.taginfo;
+    var nearbyCombo = uiCombobox(context, "parent-relation").minItems(1).fetcher(fetchNearbyRelations).itemsMouseEnter(function(d3_event, d) {
+      if (d.relation)
+        utilHighlightEntities([d.relation.id], true, context);
+    }).itemsMouseLeave(function(d3_event, d) {
+      if (d.relation)
+        utilHighlightEntities([d.relation.id], false, context);
+    });
+    var _inChange = false;
+    var _entityIDs = [];
+    var _showBlank;
+    var _maxMemberships = 1e3;
+    function getSharedParentRelations() {
+      var parents = [];
+      for (var i2 = 0; i2 < _entityIDs.length; i2++) {
+        var entity = context.graph().hasEntity(_entityIDs[i2]);
+        if (!entity)
+          continue;
+        if (i2 === 0) {
+          parents = context.graph().parentRelations(entity);
+        } else {
+          parents = utilArrayIntersection(parents, context.graph().parentRelations(entity));
+        }
+        if (!parents.length)
+          break;
+      }
+      return parents;
+    }
+    function getMemberships() {
+      var memberships = [];
+      var relations = getSharedParentRelations().slice(0, _maxMemberships);
+      var isMultiselect = _entityIDs.length > 1;
+      var i2, relation, membership, index, member, indexedMember;
+      for (i2 = 0; i2 < relations.length; i2++) {
+        relation = relations[i2];
+        membership = {
+          relation,
+          members: [],
+          hash: osmEntity.key(relation)
+        };
+        for (index = 0; index < relation.members.length; index++) {
+          member = relation.members[index];
+          if (_entityIDs.indexOf(member.id) !== -1) {
+            indexedMember = Object.assign({}, member, { index });
+            membership.members.push(indexedMember);
+            membership.hash += "," + index.toString();
+            if (!isMultiselect) {
+              memberships.push(membership);
+              membership = {
+                relation,
+                members: [],
+                hash: osmEntity.key(relation)
+              };
+            }
+          }
+        }
+        if (membership.members.length)
+          memberships.push(membership);
+      }
+      memberships.forEach(function(membership2) {
+        membership2.domId = utilUniqueDomId("membership-" + membership2.relation.id);
+        var roles = [];
+        membership2.members.forEach(function(member2) {
+          if (roles.indexOf(member2.role) === -1)
+            roles.push(member2.role);
+        });
+        membership2.role = roles.length === 1 ? roles[0] : roles;
+      });
+      return memberships;
+    }
+    function selectRelation(d3_event, d) {
+      d3_event.preventDefault();
+      utilHighlightEntities([d.relation.id], false, context);
+      context.enter(modeSelect(context, [d.relation.id]));
+    }
+    function zoomToRelation(d3_event, d) {
+      d3_event.preventDefault();
+      var entity = context.entity(d.relation.id);
+      context.map().zoomToEase(entity);
+      utilHighlightEntities([d.relation.id], true, context);
+    }
+    function changeRole(d3_event, d) {
+      if (d === 0)
+        return;
+      if (_inChange)
+        return;
+      var newRole = context.cleanRelationRole(select_default2(this).property("value"));
+      if (!newRole.trim() && typeof d.role !== "string")
+        return;
+      var membersToUpdate = d.members.filter(function(member) {
+        return member.role !== newRole;
+      });
+      if (membersToUpdate.length) {
+        _inChange = true;
+        context.perform(
+          function actionChangeMemberRoles(graph) {
+            membersToUpdate.forEach(function(member) {
+              var newMember = Object.assign({}, member, { role: newRole });
+              delete newMember.index;
+              graph = actionChangeMember(d.relation.id, newMember, member.index)(graph);
+            });
+            return graph;
+          },
+          _t("operations.change_role.annotation", {
+            n: membersToUpdate.length
+          })
+        );
+        context.validator().validate();
+      }
+      _inChange = false;
+    }
+    function addMembership(d, role) {
+      this.blur();
+      _showBlank = false;
+      function actionAddMembers(relationId, ids, role2) {
+        return function(graph) {
+          for (var i2 in ids) {
+            var member = { id: ids[i2], type: graph.entity(ids[i2]).type, role: role2 };
+            graph = actionAddMember(relationId, member)(graph);
+          }
+          return graph;
+        };
+      }
+      if (d.relation) {
+        context.perform(
+          actionAddMembers(d.relation.id, _entityIDs, role),
+          _t("operations.add_member.annotation", {
+            n: _entityIDs.length
+          })
+        );
+        context.validator().validate();
+      } else {
+        var relation = osmRelation();
+        context.perform(
+          actionAddEntity(relation),
+          actionAddMembers(relation.id, _entityIDs, role),
+          _t("operations.add.annotation.relation")
+        );
+        context.enter(modeSelect(context, [relation.id]).newFeature(true));
+      }
+    }
+    function deleteMembership(d3_event, d) {
+      this.blur();
+      if (d === 0)
+        return;
+      utilHighlightEntities([d.relation.id], false, context);
+      var indexes = d.members.map(function(member) {
+        return member.index;
+      });
+      context.perform(
+        actionDeleteMembers(d.relation.id, indexes),
+        _t("operations.delete_member.annotation", {
+          n: _entityIDs.length
+        })
+      );
+      context.validator().validate();
+    }
+    function fetchNearbyRelations(q, callback) {
+      var newRelation = {
+        relation: null,
+        value: _t("inspector.new_relation"),
+        display: _t.append("inspector.new_relation")
+      };
+      var entityID = _entityIDs[0];
+      var result = [];
+      var graph = context.graph();
+      function baseDisplayLabel(entity) {
+        var matched = _mainPresetIndex.match(entity, graph);
+        var presetName = matched && matched.name() || _t("inspector.relation");
+        var entityName = utilDisplayName(entity) || "";
+        return presetName + " " + entityName;
+      }
+      var explicitRelation = q && context.hasEntity(q.toLowerCase());
+      if (explicitRelation && explicitRelation.type === "relation" && explicitRelation.id !== entityID) {
+        result.push({
+          relation: explicitRelation,
+          value: baseDisplayLabel(explicitRelation) + " " + explicitRelation.id
+        });
+      } else {
+        context.history().intersects(context.map().extent()).forEach(function(entity) {
+          if (entity.type !== "relation" || entity.id === entityID)
+            return;
+          var value = baseDisplayLabel(entity);
+          if (q && (value + " " + entity.id).toLowerCase().indexOf(q.toLowerCase()) === -1)
+            return;
+          result.push({ relation: entity, value });
+        });
+        result.sort(function(a, b) {
+          return osmRelation.creationOrder(a.relation, b.relation);
+        });
+        var dupeGroups = Object.values(utilArrayGroupBy(result, "value")).filter(function(v) {
+          return v.length > 1;
+        });
+        dupeGroups.forEach(function(group) {
+          group.forEach(function(obj) {
+            obj.value += " " + obj.relation.id;
+          });
+        });
+      }
+      result.forEach(function(obj) {
+        obj.title = obj.value;
+      });
+      result.unshift(newRelation);
+      callback(result);
+    }
+    function renderDisclosureContent(selection2) {
+      var memberships = getMemberships();
+      var list = selection2.selectAll(".member-list").data([0]);
+      list = list.enter().append("ul").attr("class", "member-list").merge(list);
+      var items = list.selectAll("li.member-row-normal").data(memberships, function(d) {
+        return d.hash;
+      });
+      items.exit().each(unbind).remove();
+      var itemsEnter = items.enter().append("li").attr("class", "member-row member-row-normal form-field");
+      itemsEnter.on("mouseover", function(d3_event, d) {
+        utilHighlightEntities([d.relation.id], true, context);
+      }).on("mouseout", function(d3_event, d) {
+        utilHighlightEntities([d.relation.id], false, context);
+      });
+      var labelEnter = itemsEnter.append("label").attr("class", "field-label").attr("for", function(d) {
+        return d.domId;
+      });
+      var labelLink = labelEnter.append("span").attr("class", "label-text").append("a").attr("href", "#").on("click", selectRelation);
+      labelLink.append("span").attr("class", "member-entity-type").text(function(d) {
+        var matched = _mainPresetIndex.match(d.relation, context.graph());
+        return matched && matched.name() || _t.html("inspector.relation");
+      });
+      labelLink.append("span").attr("class", "member-entity-name").text(function(d) {
+        return utilDisplayName(d.relation);
+      });
+      labelEnter.append("button").attr("class", "remove member-delete").attr("title", _t("icons.remove")).call(svgIcon("#iD-operation-delete")).on("click", deleteMembership);
+      labelEnter.append("button").attr("class", "member-zoom").attr("title", _t("icons.zoom_to")).call(svgIcon("#iD-icon-framed-dot", "monochrome")).on("click", zoomToRelation);
+      var wrapEnter = itemsEnter.append("div").attr("class", "form-field-input-wrap form-field-input-member");
+      wrapEnter.append("input").attr("class", "member-role").attr("id", function(d) {
+        return d.domId;
+      }).property("type", "text").property("value", function(d) {
+        return typeof d.role === "string" ? d.role : "";
+      }).attr("title", function(d) {
+        return Array.isArray(d.role) ? d.role.filter(Boolean).join("\n") : d.role;
+      }).attr("placeholder", function(d) {
+        return Array.isArray(d.role) ? _t("inspector.multiple_roles") : _t("inspector.role");
+      }).classed("mixed", function(d) {
+        return Array.isArray(d.role);
+      }).call(utilNoAuto).on("blur", changeRole).on("change", changeRole);
+      if (taginfo) {
+        wrapEnter.each(bindTypeahead);
+      }
+      var newMembership = list.selectAll(".member-row-new").data(_showBlank ? [0] : []);
+      newMembership.exit().remove();
+      var newMembershipEnter = newMembership.enter().append("li").attr("class", "member-row member-row-new form-field");
+      var newLabelEnter = newMembershipEnter.append("label").attr("class", "field-label");
+      newLabelEnter.append("input").attr("placeholder", _t("inspector.choose_relation")).attr("type", "text").attr("class", "member-entity-input").call(utilNoAuto);
+      newLabelEnter.append("button").attr("class", "remove member-delete").attr("title", _t("icons.remove")).call(svgIcon("#iD-operation-delete")).on("click", function() {
+        list.selectAll(".member-row-new").remove();
+      });
+      var newWrapEnter = newMembershipEnter.append("div").attr("class", "form-field-input-wrap form-field-input-member");
+      newWrapEnter.append("input").attr("class", "member-role").property("type", "text").attr("placeholder", _t("inspector.role")).call(utilNoAuto);
+      newMembership = newMembership.merge(newMembershipEnter);
+      newMembership.selectAll(".member-entity-input").on("blur", cancelEntity).call(
+        nearbyCombo.on("accept", acceptEntity).on("cancel", cancelEntity)
+      );
+      var addRow = selection2.selectAll(".add-row").data([0]);
+      var addRowEnter = addRow.enter().append("div").attr("class", "add-row");
+      var addRelationButton = addRowEnter.append("button").attr("class", "add-relation").attr("aria-label", _t("inspector.add_to_relation"));
+      addRelationButton.call(svgIcon("#iD-icon-plus", "light"));
+      addRelationButton.call(uiTooltip().title(() => _t.append("inspector.add_to_relation")).placement(_mainLocalizer.textDirection() === "ltr" ? "right" : "left"));
+      addRowEnter.append("div").attr("class", "space-value");
+      addRowEnter.append("div").attr("class", "space-buttons");
+      addRow = addRow.merge(addRowEnter);
+      addRow.select(".add-relation").on("click", function() {
+        _showBlank = true;
+        section.reRender();
+        list.selectAll(".member-entity-input").node().focus();
+      });
+      function acceptEntity(d) {
+        if (!d) {
+          cancelEntity();
+          return;
+        }
+        if (d.relation)
+          utilHighlightEntities([d.relation.id], false, context);
+        var role = context.cleanRelationRole(list.selectAll(".member-row-new .member-role").property("value"));
+        addMembership(d, role);
+      }
+      function cancelEntity() {
+        var input = newMembership.selectAll(".member-entity-input");
+        input.property("value", "");
+        context.surface().selectAll(".highlighted").classed("highlighted", false);
+      }
+      function bindTypeahead(d) {
+        var row = select_default2(this);
+        var role = row.selectAll("input.member-role");
+        var origValue = role.property("value");
+        function sort(value, data) {
+          var sameletter = [];
+          var other = [];
+          for (var i2 = 0; i2 < data.length; i2++) {
+            if (data[i2].value.substring(0, value.length) === value) {
+              sameletter.push(data[i2]);
+            } else {
+              other.push(data[i2]);
+            }
+          }
+          return sameletter.concat(other);
+        }
+        role.call(
+          uiCombobox(context, "member-role").fetcher(function(role2, callback) {
+            var rtype = d.relation.tags.type;
+            taginfo.roles({
+              debounce: true,
+              rtype: rtype || "",
+              geometry: context.graph().geometry(_entityIDs[0]),
+              query: role2
+            }, function(err, data) {
+              if (!err)
+                callback(sort(role2, data));
+            });
+          }).on("cancel", function() {
+            role.property("value", origValue);
+          })
+        );
+      }
+      function unbind() {
+        var row = select_default2(this);
+        row.selectAll("input.member-role").call(uiCombobox.off, context);
+      }
+    }
+    section.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      _showBlank = false;
+      return section;
+    };
+    return section;
+  }
+
+  // modules/ui/sections/selection_list.js
+  function uiSectionSelectionList(context) {
+    var _selectedIDs = [];
+    var section = uiSection("selected-features", context).shouldDisplay(function() {
+      return _selectedIDs.length > 1;
+    }).label(function() {
+      return _t.append("inspector.title_count", { title: _t("inspector.features"), count: _selectedIDs.length });
+    }).disclosureContent(renderDisclosureContent);
+    context.history().on("change.selectionList", function(difference) {
+      if (difference) {
+        section.reRender();
+      }
+    });
+    section.entityIDs = function(val) {
+      if (!arguments.length)
+        return _selectedIDs;
+      _selectedIDs = val;
+      return section;
+    };
+    function selectEntity(d3_event, entity) {
+      context.enter(modeSelect(context, [entity.id]));
+    }
+    function deselectEntity(d3_event, entity) {
+      var selectedIDs = _selectedIDs.slice();
+      var index = selectedIDs.indexOf(entity.id);
+      if (index > -1) {
+        selectedIDs.splice(index, 1);
+        context.enter(modeSelect(context, selectedIDs));
+      }
+    }
+    function renderDisclosureContent(selection2) {
+      var list = selection2.selectAll(".feature-list").data([0]);
+      list = list.enter().append("ul").attr("class", "feature-list").merge(list);
+      var entities = _selectedIDs.map(function(id2) {
+        return context.hasEntity(id2);
+      }).filter(Boolean);
+      var items = list.selectAll(".feature-list-item").data(entities, osmEntity.key);
+      items.exit().remove();
+      var enter = items.enter().append("li").attr("class", "feature-list-item").each(function(d) {
+        select_default2(this).on("mouseover", function() {
+          utilHighlightEntities([d.id], true, context);
+        }).on("mouseout", function() {
+          utilHighlightEntities([d.id], false, context);
+        });
+      });
+      var label = enter.append("button").attr("class", "label").on("click", selectEntity);
+      label.append("span").attr("class", "entity-geom-icon").call(svgIcon("", "pre-text"));
+      label.append("span").attr("class", "entity-type");
+      label.append("span").attr("class", "entity-name");
+      enter.append("button").attr("class", "close").attr("title", _t("icons.deselect")).on("click", deselectEntity).call(svgIcon("#iD-icon-close"));
+      items = items.merge(enter);
+      items.selectAll(".entity-geom-icon use").attr("href", function() {
+        var entity = this.parentNode.parentNode.__data__;
+        return "#iD-icon-" + entity.geometry(context.graph());
+      });
+      items.selectAll(".entity-type").text(function(entity) {
+        return _mainPresetIndex.match(entity, context.graph()).name();
+      });
+      items.selectAll(".entity-name").text(function(d) {
+        var entity = context.entity(d.id);
+        return utilDisplayName(entity);
+      });
+    }
+    return section;
+  }
+
+  // modules/ui/entity_editor.js
+  function uiEntityEditor(context) {
+    var dispatch10 = dispatch_default("choose");
+    var _state = "select";
+    var _coalesceChanges = false;
+    var _modified = false;
+    var _base;
+    var _entityIDs;
+    var _activePresets = [];
+    var _newFeature;
+    var _sections;
+    function entityEditor(selection2) {
+      var combinedTags = utilCombinedTags(_entityIDs, context.graph());
+      var header = selection2.selectAll(".header").data([0]);
+      var headerEnter = header.enter().append("div").attr("class", "header fillL");
+      var direction = _mainLocalizer.textDirection() === "rtl" ? "forward" : "backward";
+      headerEnter.append("button").attr("class", "preset-reset preset-choose").attr("title", _t("inspector.back_tooltip")).call(svgIcon(`#iD-icon-${direction}`));
+      headerEnter.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", function() {
+        context.enter(modeBrowse(context));
+      }).call(svgIcon(_modified ? "#iD-icon-apply" : "#iD-icon-close"));
+      headerEnter.append("h2");
+      header = header.merge(headerEnter);
+      header.selectAll("h2").text("").call(_entityIDs.length === 1 ? _t.append("inspector.edit") : _t.append("inspector.edit_features"));
+      header.selectAll(".preset-reset").on("click", function() {
+        dispatch10.call("choose", this, _activePresets);
+      });
+      var body = selection2.selectAll(".inspector-body").data([0]);
+      var bodyEnter = body.enter().append("div").attr("class", "entity-editor inspector-body sep-top");
+      body = body.merge(bodyEnter);
+      if (!_sections) {
+        _sections = [
+          uiSectionSelectionList(context),
+          uiSectionFeatureType(context).on("choose", function(presets) {
+            dispatch10.call("choose", this, presets);
+          }),
+          uiSectionEntityIssues(context),
+          uiSectionPresetFields(context).on("change", changeTags).on("revert", revertTags),
+          uiSectionRawTagEditor("raw-tag-editor", context).on("change", changeTags),
+          uiSectionRawMemberEditor(context),
+          uiSectionRawMembershipEditor(context)
+        ];
+      }
+      _sections.forEach(function(section) {
+        if (section.entityIDs) {
+          section.entityIDs(_entityIDs);
+        }
+        if (section.presets) {
+          section.presets(_activePresets);
+        }
+        if (section.tags) {
+          section.tags(combinedTags);
+        }
+        if (section.state) {
+          section.state(_state);
+        }
+        body.call(section.render);
+      });
+      context.history().on("change.entity-editor", historyChanged);
+      function historyChanged(difference) {
+        if (selection2.selectAll(".entity-editor").empty())
+          return;
+        if (_state === "hide")
+          return;
+        var significant = !difference || difference.didChange.properties || difference.didChange.addition || difference.didChange.deletion;
+        if (!significant)
+          return;
+        _entityIDs = _entityIDs.filter(context.hasEntity);
+        if (!_entityIDs.length)
+          return;
+        var priorActivePreset = _activePresets.length === 1 && _activePresets[0];
+        loadActivePresets();
+        var graph = context.graph();
+        entityEditor.modified(_base !== graph);
+        entityEditor(selection2);
+        if (priorActivePreset && _activePresets.length === 1 && priorActivePreset !== _activePresets[0]) {
+          context.container().selectAll(".entity-editor button.preset-reset .label").style("background-color", "#fff").transition().duration(750).style("background-color", null);
+        }
+      }
+    }
+    function changeTags(entityIDs, changed, onInput) {
+      var actions = [];
+      for (var i2 in entityIDs) {
+        var entityID = entityIDs[i2];
+        var entity = context.entity(entityID);
+        var tags = Object.assign({}, entity.tags);
+        if (typeof changed === "function") {
+          tags = changed(tags);
+        } else {
+          for (var k in changed) {
+            if (!k)
+              continue;
+            var v = changed[k];
+            if (typeof v === "object") {
+              tags[k] = tags[v.oldKey];
+            } else if (v !== void 0 || tags.hasOwnProperty(k)) {
+              tags[k] = v;
+            }
+          }
+        }
+        if (!onInput) {
+          tags = utilCleanTags(tags);
+        }
+        if (!(0, import_fast_deep_equal10.default)(entity.tags, tags)) {
+          actions.push(actionChangeTags(entityID, tags));
+        }
+      }
+      if (actions.length) {
+        var combinedAction = function(graph) {
+          actions.forEach(function(action) {
+            graph = action(graph);
+          });
+          return graph;
+        };
+        var annotation = _t("operations.change_tags.annotation");
+        if (_coalesceChanges) {
+          context.overwrite(combinedAction, annotation);
+        } else {
+          context.perform(combinedAction, annotation);
+          _coalesceChanges = !!onInput;
+        }
+      }
+      if (!onInput) {
+        context.validator().validate();
+      }
+    }
+    function revertTags(keys2) {
+      var actions = [];
+      for (var i2 in _entityIDs) {
+        var entityID = _entityIDs[i2];
+        var original = context.graph().base().entities[entityID];
+        var changed = {};
+        for (var j2 in keys2) {
+          var key = keys2[j2];
+          changed[key] = original ? original.tags[key] : void 0;
+        }
+        var entity = context.entity(entityID);
+        var tags = Object.assign({}, entity.tags);
+        for (var k in changed) {
+          if (!k)
+            continue;
+          var v = changed[k];
+          if (v !== void 0 || tags.hasOwnProperty(k)) {
+            tags[k] = v;
+          }
+        }
+        tags = utilCleanTags(tags);
+        if (!(0, import_fast_deep_equal10.default)(entity.tags, tags)) {
+          actions.push(actionChangeTags(entityID, tags));
+        }
+      }
+      if (actions.length) {
+        var combinedAction = function(graph) {
+          actions.forEach(function(action) {
+            graph = action(graph);
+          });
+          return graph;
+        };
+        var annotation = _t("operations.change_tags.annotation");
+        if (_coalesceChanges) {
+          context.overwrite(combinedAction, annotation);
+        } else {
+          context.perform(combinedAction, annotation);
+          _coalesceChanges = false;
+        }
+      }
+      context.validator().validate();
+    }
+    entityEditor.modified = function(val) {
+      if (!arguments.length)
+        return _modified;
+      _modified = val;
+      return entityEditor;
+    };
+    entityEditor.state = function(val) {
+      if (!arguments.length)
+        return _state;
+      _state = val;
+      return entityEditor;
+    };
+    entityEditor.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _base = context.graph();
+      _coalesceChanges = false;
+      if (val && _entityIDs && utilArrayIdentical(_entityIDs, val))
+        return entityEditor;
+      _entityIDs = val;
+      loadActivePresets(true);
+      return entityEditor.modified(false);
+    };
+    entityEditor.newFeature = function(val) {
+      if (!arguments.length)
+        return _newFeature;
+      _newFeature = val;
+      return entityEditor;
+    };
+    function loadActivePresets(isForNewSelection) {
+      var graph = context.graph();
+      var counts = {};
+      for (var i2 in _entityIDs) {
+        var entity = graph.hasEntity(_entityIDs[i2]);
+        if (!entity)
+          return;
+        var match = _mainPresetIndex.match(entity, graph);
+        if (!counts[match.id])
+          counts[match.id] = 0;
+        counts[match.id] += 1;
+      }
+      var matches = Object.keys(counts).sort(function(p1, p2) {
+        return counts[p2] - counts[p1];
+      }).map(function(pID) {
+        return _mainPresetIndex.item(pID);
+      });
+      if (!isForNewSelection) {
+        var weakPreset = _activePresets.length === 1 && !_activePresets[0].isFallback() && Object.keys(_activePresets[0].addTags || {}).length === 0;
+        if (weakPreset && matches.length === 1 && matches[0].isFallback())
+          return;
+      }
+      entityEditor.presets(matches);
+    }
+    entityEditor.presets = function(val) {
+      if (!arguments.length)
+        return _activePresets;
+      if (!utilArrayIdentical(val, _activePresets)) {
+        _activePresets = val;
+      }
+      return entityEditor;
+    };
+    return utilRebind(entityEditor, dispatch10, "on");
+  }
+
+  // modules/ui/feature_list.js
+  var sexagesimal = __toESM(require_sexagesimal());
+  function uiFeatureList(context) {
+    var _geocodeResults;
+    function featureList(selection2) {
+      var header = selection2.append("div").attr("class", "header fillL");
+      header.append("h2").call(_t.append("inspector.feature_list"));
+      var searchWrap = selection2.append("div").attr("class", "search-header");
+      searchWrap.call(svgIcon("#iD-icon-search", "pre-text"));
+      var search = searchWrap.append("input").attr("placeholder", _t("inspector.search")).attr("type", "search").call(utilNoAuto).on("keypress", keypress).on("keydown", keydown).on("input", inputevent);
+      var listWrap = selection2.append("div").attr("class", "inspector-body");
+      var list = listWrap.append("div").attr("class", "feature-list");
+      context.on("exit.feature-list", clearSearch);
+      context.map().on("drawn.feature-list", mapDrawn);
+      context.keybinding().on(uiCmd("\u2318F"), focusSearch);
+      function focusSearch(d3_event) {
+        var mode = context.mode() && context.mode().id;
+        if (mode !== "browse")
+          return;
+        d3_event.preventDefault();
+        search.node().focus();
+      }
+      function keydown(d3_event) {
+        if (d3_event.keyCode === 27) {
+          search.node().blur();
+        }
+      }
+      function keypress(d3_event) {
+        var q = search.property("value"), items = list.selectAll(".feature-list-item");
+        if (d3_event.keyCode === 13 && // ↩ Return
+        q.length && items.size()) {
+          click(d3_event, items.datum());
+        }
+      }
+      function inputevent() {
+        _geocodeResults = void 0;
+        drawList();
+      }
+      function clearSearch() {
+        search.property("value", "");
+        drawList();
+      }
+      function mapDrawn(e) {
+        if (e.full) {
+          drawList();
+        }
+      }
+      function features() {
+        var result = [];
+        var graph = context.graph();
+        var visibleCenter = context.map().extent().center();
+        var q = search.property("value").toLowerCase();
+        if (!q)
+          return result;
+        var locationMatch = sexagesimal.pair(q.toUpperCase()) || q.match(/^(-?\d+\.?\d*)\s+(-?\d+\.?\d*)$/);
+        if (locationMatch) {
+          var loc = [Number(locationMatch[0]), Number(locationMatch[1])];
+          result.push({
+            id: -1,
+            geometry: "point",
+            type: _t("inspector.location"),
+            name: dmsCoordinatePair([loc[1], loc[0]]),
+            location: loc
+          });
+        }
+        var idMatch = !locationMatch && q.match(/(?:^|\W)(node|way|relation|[nwr])\W{0,2}0*([1-9]\d*)(?:\W|$)/i);
+        if (idMatch) {
+          var elemType = idMatch[1].charAt(0);
+          var elemId = idMatch[2];
+          result.push({
+            id: elemType + elemId,
+            geometry: elemType === "n" ? "point" : elemType === "w" ? "line" : "relation",
+            type: elemType === "n" ? _t("inspector.node") : elemType === "w" ? _t("inspector.way") : _t("inspector.relation"),
+            name: elemId
+          });
+        }
+        var allEntities = graph.entities;
+        var localResults = [];
+        for (var id2 in allEntities) {
+          var entity = allEntities[id2];
+          if (!entity)
+            continue;
+          var name = utilDisplayName(entity) || "";
+          if (name.toLowerCase().indexOf(q) < 0)
+            continue;
+          var matched = _mainPresetIndex.match(entity, graph);
+          var type2 = matched && matched.name() || utilDisplayType(entity.id);
+          var extent = entity.extent(graph);
+          var distance = extent ? geoSphericalDistance(visibleCenter, extent.center()) : 0;
+          localResults.push({
+            id: entity.id,
+            entity,
+            geometry: entity.geometry(graph),
+            type: type2,
+            name,
+            distance
+          });
+          if (localResults.length > 100)
+            break;
+        }
+        localResults = localResults.sort(function byDistance(a, b) {
+          return a.distance - b.distance;
+        });
+        result = result.concat(localResults);
+        (_geocodeResults || []).forEach(function(d) {
+          if (d.osm_type && d.osm_id) {
+            var id3 = osmEntity.id.fromOSM(d.osm_type, d.osm_id);
+            var tags = {};
+            tags[d.class] = d.type;
+            var attrs = { id: id3, type: d.osm_type, tags };
+            if (d.osm_type === "way") {
+              attrs.nodes = ["a", "a"];
+            }
+            var tempEntity = osmEntity(attrs);
+            var tempGraph = coreGraph([tempEntity]);
+            var matched2 = _mainPresetIndex.match(tempEntity, tempGraph);
+            var type3 = matched2 && matched2.name() || utilDisplayType(id3);
+            result.push({
+              id: tempEntity.id,
+              geometry: tempEntity.geometry(tempGraph),
+              type: type3,
+              name: d.display_name,
+              extent: new geoExtent(
+                [Number(d.boundingbox[3]), Number(d.boundingbox[0])],
+                [Number(d.boundingbox[2]), Number(d.boundingbox[1])]
+              )
+            });
+          }
+        });
+        if (q.match(/^[0-9]+$/)) {
+          result.push({
+            id: "n" + q,
+            geometry: "point",
+            type: _t("inspector.node"),
+            name: q
+          });
+          result.push({
+            id: "w" + q,
+            geometry: "line",
+            type: _t("inspector.way"),
+            name: q
+          });
+          result.push({
+            id: "r" + q,
+            geometry: "relation",
+            type: _t("inspector.relation"),
+            name: q
+          });
+        }
+        return result;
+      }
+      function drawList() {
+        var value = search.property("value");
+        var results = features();
+        list.classed("filtered", value.length);
+        var resultsIndicator = list.selectAll(".no-results-item").data([0]).enter().append("button").property("disabled", true).attr("class", "no-results-item").call(svgIcon("#iD-icon-alert", "pre-text"));
+        resultsIndicator.append("span").attr("class", "entity-name");
+        list.selectAll(".no-results-item .entity-name").html("").call(_t.append("geocoder.no_results_worldwide"));
+        if (services.geocoder) {
+          list.selectAll(".geocode-item").data([0]).enter().append("button").attr("class", "geocode-item secondary-action").on("click", geocoderSearch).append("div").attr("class", "label").append("span").attr("class", "entity-name").call(_t.append("geocoder.search"));
+        }
+        list.selectAll(".no-results-item").style("display", value.length && !results.length ? "block" : "none");
+        list.selectAll(".geocode-item").style("display", value && _geocodeResults === void 0 ? "block" : "none");
+        list.selectAll(".feature-list-item").data([-1]).remove();
+        var items = list.selectAll(".feature-list-item").data(results, function(d) {
+          return d.id;
+        });
+        var enter = items.enter().insert("button", ".geocode-item").attr("class", "feature-list-item").on("mouseover", mouseover).on("mouseout", mouseout).on("click", click);
+        var label = enter.append("div").attr("class", "label");
+        label.each(function(d) {
+          select_default2(this).call(svgIcon("#iD-icon-" + d.geometry, "pre-text"));
+        });
+        label.append("span").attr("class", "entity-type").text(function(d) {
+          return d.type;
+        });
+        label.append("span").attr("class", "entity-name").text(function(d) {
+          return d.name;
+        });
+        enter.style("opacity", 0).transition().style("opacity", 1);
+        items.order();
+        items.exit().remove();
+      }
+      function mouseover(d3_event, d) {
+        if (d.id === -1)
+          return;
+        utilHighlightEntities([d.id], true, context);
+      }
+      function mouseout(d3_event, d) {
+        if (d.id === -1)
+          return;
+        utilHighlightEntities([d.id], false, context);
+      }
+      function click(d3_event, d) {
+        d3_event.preventDefault();
+        if (d.location) {
+          context.map().centerZoomEase([d.location[1], d.location[0]], 19);
+        } else if (d.entity) {
+          utilHighlightEntities([d.id], false, context);
+          context.enter(modeSelect(context, [d.entity.id]));
+          context.map().zoomToEase(d.entity);
+        } else {
+          context.zoomToEntity(d.id);
+        }
+      }
+      function geocoderSearch() {
+        services.geocoder.search(search.property("value"), function(err, resp) {
+          _geocodeResults = resp || [];
+          drawList();
+        });
+      }
+    }
+    return featureList;
+  }
+
+  // modules/ui/improveOSM_comments.js
+  function uiImproveOsmComments() {
+    let _qaItem;
+    function issueComments(selection2) {
+      let comments = selection2.selectAll(".comments-container").data([0]);
+      comments = comments.enter().append("div").attr("class", "comments-container").merge(comments);
+      services.improveOSM.getComments(_qaItem).then((d) => {
+        if (!d.comments)
+          return;
+        const commentEnter = comments.selectAll(".comment").data(d.comments).enter().append("div").attr("class", "comment");
+        commentEnter.append("div").attr("class", "comment-avatar").call(svgIcon("#iD-icon-avatar", "comment-avatar-icon"));
+        const mainEnter = commentEnter.append("div").attr("class", "comment-main");
+        const metadataEnter = mainEnter.append("div").attr("class", "comment-metadata");
+        metadataEnter.append("div").attr("class", "comment-author").each(function(d2) {
+          const osm = services.osm;
+          let selection3 = select_default2(this);
+          if (osm && d2.username) {
+            selection3 = selection3.append("a").attr("class", "comment-author-link").attr("href", osm.userURL(d2.username)).attr("target", "_blank");
+          }
+          selection3.text((d4) => d4.username);
+        });
+        metadataEnter.append("div").attr("class", "comment-date").html((d2) => _t.html("note.status.commented", { when: localeDateString2(d2.timestamp) }));
+        mainEnter.append("div").attr("class", "comment-text").append("p").text((d2) => d2.text);
+      }).catch((err) => {
+        console.log(err);
+      });
+    }
+    function localeDateString2(s) {
+      if (!s)
+        return null;
+      const options2 = { day: "numeric", month: "short", year: "numeric" };
+      const d = new Date(s * 1e3);
+      if (isNaN(d.getTime()))
+        return null;
+      return d.toLocaleDateString(_mainLocalizer.localeCode(), options2);
+    }
+    issueComments.issue = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return issueComments;
+    };
+    return issueComments;
+  }
+
+  // modules/ui/improveOSM_details.js
+  function uiImproveOsmDetails(context) {
+    let _qaItem;
+    function issueDetail(d) {
+      if (d.desc)
+        return d.desc;
+      const issueKey = d.issueKey;
+      d.replacements = d.replacements || {};
+      d.replacements.default = { html: _t.html("inspector.unknown") };
+      return _t.html(`QA.improveOSM.error_types.${issueKey}.description`, d.replacements);
+    }
+    function improveOsmDetails(selection2) {
+      const details = selection2.selectAll(".error-details").data(
+        _qaItem ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      details.exit().remove();
+      const detailsEnter = details.enter().append("div").attr("class", "error-details qa-details-container");
+      const descriptionEnter = detailsEnter.append("div").attr("class", "qa-details-subsection");
+      descriptionEnter.append("h4").call(_t.append("QA.keepRight.detail_description"));
+      descriptionEnter.append("div").attr("class", "qa-details-description-text").html(issueDetail);
+      let relatedEntities = [];
+      descriptionEnter.selectAll(".error_entity_link, .error_object_link").attr("href", "#").each(function() {
+        const link2 = select_default2(this);
+        const isObjectLink = link2.classed("error_object_link");
+        const entityID = isObjectLink ? utilEntityRoot(_qaItem.objectType) + _qaItem.objectId : this.textContent;
+        const entity = context.hasEntity(entityID);
+        relatedEntities.push(entityID);
+        link2.on("mouseenter", () => {
+          utilHighlightEntities([entityID], true, context);
+        }).on("mouseleave", () => {
+          utilHighlightEntities([entityID], false, context);
+        }).on("click", (d3_event) => {
+          d3_event.preventDefault();
+          utilHighlightEntities([entityID], false, context);
+          const osmlayer = context.layers().layer("osm");
+          if (!osmlayer.enabled()) {
+            osmlayer.enabled(true);
+          }
+          context.map().centerZoom(_qaItem.loc, 20);
+          if (entity) {
+            context.enter(modeSelect(context, [entityID]));
+          } else {
+            context.loadEntity(entityID, (err, result) => {
+              if (err)
+                return;
+              const entity2 = result.data.find((e) => e.id === entityID);
+              if (entity2)
+                context.enter(modeSelect(context, [entityID]));
+            });
+          }
+        });
+        if (entity) {
+          let name = utilDisplayName(entity);
+          if (!name && !isObjectLink) {
+            const preset = _mainPresetIndex.match(entity, context.graph());
+            name = preset && !preset.isFallback() && preset.name();
+          }
+          if (name) {
+            this.innerText = name;
+          }
+        }
+      });
+      context.features().forceVisible(relatedEntities);
+      context.map().pan([0, 0]);
+    }
+    improveOsmDetails.issue = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return improveOsmDetails;
+    };
+    return improveOsmDetails;
+  }
+
+  // modules/ui/improveOSM_header.js
+  function uiImproveOsmHeader() {
+    let _qaItem;
+    function issueTitle(d) {
+      const issueKey = d.issueKey;
+      d.replacements = d.replacements || {};
+      d.replacements.default = { html: _t.html("inspector.unknown") };
+      return _t.html(`QA.improveOSM.error_types.${issueKey}.title`, d.replacements);
+    }
+    function improveOsmHeader(selection2) {
+      const header = selection2.selectAll(".qa-header").data(
+        _qaItem ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      header.exit().remove();
+      const headerEnter = header.enter().append("div").attr("class", "qa-header");
+      const svgEnter = headerEnter.append("div").attr("class", "qa-header-icon").classed("new", (d) => d.id < 0).append("svg").attr("width", "20px").attr("height", "30px").attr("viewbox", "0 0 20 30").attr("class", (d) => `preset-icon-28 qaItem ${d.service} itemId-${d.id} itemType-${d.itemType}`);
+      svgEnter.append("polygon").attr("fill", "currentColor").attr("class", "qaItem-fill").attr("points", "16,3 4,3 1,6 1,17 4,20 7,20 10,27 13,20 16,20 19,17.033 19,6");
+      svgEnter.append("use").attr("class", "icon-annotation").attr("width", "12px").attr("height", "12px").attr("transform", "translate(4, 5.5)").attr("xlink:href", (d) => d.icon ? "#" + d.icon : "");
+      headerEnter.append("div").attr("class", "qa-header-label").html(issueTitle);
+    }
+    improveOsmHeader.issue = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return improveOsmHeader;
+    };
+    return improveOsmHeader;
+  }
+
+  // modules/ui/improveOSM_editor.js
+  function uiImproveOsmEditor(context) {
+    const dispatch10 = dispatch_default("change");
+    const qaDetails = uiImproveOsmDetails(context);
+    const qaComments = uiImproveOsmComments(context);
+    const qaHeader = uiImproveOsmHeader(context);
+    let _qaItem;
+    function improveOsmEditor(selection2) {
+      const headerEnter = selection2.selectAll(".header").data([0]).enter().append("div").attr("class", "header fillL");
+      headerEnter.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", () => context.enter(modeBrowse(context))).call(svgIcon("#iD-icon-close"));
+      headerEnter.append("h2").call(_t.append("QA.improveOSM.title"));
+      let body = selection2.selectAll(".body").data([0]);
+      body = body.enter().append("div").attr("class", "body").merge(body);
+      const editor = body.selectAll(".qa-editor").data([0]);
+      editor.enter().append("div").attr("class", "modal-section qa-editor").merge(editor).call(qaHeader.issue(_qaItem)).call(qaDetails.issue(_qaItem)).call(qaComments.issue(_qaItem)).call(improveOsmSaveSection);
+    }
+    function improveOsmSaveSection(selection2) {
+      const isSelected = _qaItem && _qaItem.id === context.selectedErrorID();
+      const isShown = _qaItem && (isSelected || _qaItem.newComment || _qaItem.comment);
+      let saveSection = selection2.selectAll(".qa-save").data(
+        isShown ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      saveSection.exit().remove();
+      const saveSectionEnter = saveSection.enter().append("div").attr("class", "qa-save save-section cf");
+      saveSectionEnter.append("h4").attr("class", ".qa-save-header").call(_t.append("note.newComment"));
+      saveSectionEnter.append("textarea").attr("class", "new-comment-input").attr("placeholder", _t("QA.keepRight.comment_placeholder")).attr("maxlength", 1e3).property("value", (d) => d.newComment).call(utilNoAuto).on("input", changeInput).on("blur", changeInput);
+      saveSection = saveSectionEnter.merge(saveSection).call(qaSaveButtons);
+      function changeInput() {
+        const input = select_default2(this);
+        let val = input.property("value").trim();
+        if (val === "") {
+          val = void 0;
+        }
+        _qaItem = _qaItem.update({ newComment: val });
+        const qaService = services.improveOSM;
+        if (qaService) {
+          qaService.replaceItem(_qaItem);
+        }
+        saveSection.call(qaSaveButtons);
+      }
+    }
+    function qaSaveButtons(selection2) {
+      const isSelected = _qaItem && _qaItem.id === context.selectedErrorID();
+      let buttonSection = selection2.selectAll(".buttons").data(isSelected ? [_qaItem] : [], (d) => d.status + d.id);
+      buttonSection.exit().remove();
+      const buttonEnter = buttonSection.enter().append("div").attr("class", "buttons");
+      buttonEnter.append("button").attr("class", "button comment-button action").call(_t.append("QA.keepRight.save_comment"));
+      buttonEnter.append("button").attr("class", "button close-button action");
+      buttonEnter.append("button").attr("class", "button ignore-button action");
+      buttonSection = buttonSection.merge(buttonEnter);
+      buttonSection.select(".comment-button").attr("disabled", (d) => d.newComment ? null : true).on("click.comment", function(d3_event, d) {
+        this.blur();
+        const qaService = services.improveOSM;
+        if (qaService) {
+          qaService.postUpdate(d, (err, item) => dispatch10.call("change", item));
+        }
+      });
+      buttonSection.select(".close-button").html((d) => {
+        const andComment = d.newComment ? "_comment" : "";
+        return _t.html(`QA.keepRight.close${andComment}`);
+      }).on("click.close", function(d3_event, d) {
+        this.blur();
+        const qaService = services.improveOSM;
+        if (qaService) {
+          d.newStatus = "SOLVED";
+          qaService.postUpdate(d, (err, item) => dispatch10.call("change", item));
+        }
+      });
+      buttonSection.select(".ignore-button").html((d) => {
+        const andComment = d.newComment ? "_comment" : "";
+        return _t.html(`QA.keepRight.ignore${andComment}`);
+      }).on("click.ignore", function(d3_event, d) {
+        this.blur();
+        const qaService = services.improveOSM;
+        if (qaService) {
+          d.newStatus = "INVALID";
+          qaService.postUpdate(d, (err, item) => dispatch10.call("change", item));
+        }
+      });
+    }
+    improveOsmEditor.error = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return improveOsmEditor;
+    };
+    return utilRebind(improveOsmEditor, dispatch10, "on");
+  }
+
+  // modules/ui/preset_list.js
+  function uiPresetList(context) {
+    var dispatch10 = dispatch_default("cancel", "choose");
+    var _entityIDs;
+    var _currLoc;
+    var _currentPresets;
+    var _autofocus = false;
+    function presetList(selection2) {
+      if (!_entityIDs)
+        return;
+      var presets = _mainPresetIndex.matchAllGeometry(entityGeometries());
+      selection2.html("");
+      var messagewrap = selection2.append("div").attr("class", "header fillL");
+      var message = messagewrap.append("h2").call(_t.append("inspector.choose"));
+      var direction = _mainLocalizer.textDirection() === "rtl" ? "backward" : "forward";
+      messagewrap.append("button").attr("class", "preset-choose").attr("title", _entityIDs.length === 1 ? _t("inspector.edit") : _t("inspector.edit_features")).on("click", function() {
+        dispatch10.call("cancel", this);
+      }).call(svgIcon(`#iD-icon-${direction}`));
+      function initialKeydown(d3_event) {
+        if (search.property("value").length === 0 && (d3_event.keyCode === utilKeybinding.keyCodes["\u232B"] || d3_event.keyCode === utilKeybinding.keyCodes["\u2326"])) {
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+          operationDelete(context, _entityIDs)();
+        } else if (search.property("value").length === 0 && (d3_event.ctrlKey || d3_event.metaKey) && d3_event.keyCode === utilKeybinding.keyCodes.z) {
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+          context.undo();
+        } else if (!d3_event.ctrlKey && !d3_event.metaKey) {
+          select_default2(this).on("keydown", keydown);
+          keydown.call(this, d3_event);
+        }
+      }
+      function keydown(d3_event) {
+        if (d3_event.keyCode === utilKeybinding.keyCodes["\u2193"] && // if insertion point is at the end of the string
+        search.node().selectionStart === search.property("value").length) {
+          d3_event.preventDefault();
+          d3_event.stopPropagation();
+          var buttons = list.selectAll(".preset-list-button");
+          if (!buttons.empty())
+            buttons.nodes()[0].focus();
+        }
+      }
+      function keypress(d3_event) {
+        var value = search.property("value");
+        if (d3_event.keyCode === 13 && // ↩ Return
+        value.length) {
+          list.selectAll(".preset-list-item:first-child").each(function(d) {
+            d.choose.call(this);
+          });
+        }
+      }
+      function inputevent() {
+        var value = search.property("value");
+        list.classed("filtered", value.length);
+        var results, messageText;
+        if (value.length) {
+          results = presets.search(value, entityGeometries()[0], _currLoc);
+          messageText = _t.html("inspector.results", {
+            n: results.collection.length,
+            search: value
+          });
+        } else {
+          var entityPresets2 = _entityIDs.map((entityID) => _mainPresetIndex.match(context.graph().entity(entityID), context.graph()));
+          results = _mainPresetIndex.defaults(entityGeometries()[0], 36, !context.inIntro(), _currLoc, entityPresets2);
+          messageText = _t.html("inspector.choose");
+        }
+        list.call(drawList, results);
+        message.html(messageText);
+      }
+      var searchWrap = selection2.append("div").attr("class", "search-header");
+      searchWrap.call(svgIcon("#iD-icon-search", "pre-text"));
+      var search = searchWrap.append("input").attr("class", "preset-search-input").attr("placeholder", _t("inspector.search")).attr("type", "search").call(utilNoAuto).on("keydown", initialKeydown).on("keypress", keypress).on("input", debounce_default(inputevent));
+      if (_autofocus) {
+        search.node().focus();
+        setTimeout(function() {
+          search.node().focus();
+        }, 0);
+      }
+      var listWrap = selection2.append("div").attr("class", "inspector-body");
+      var entityPresets = _entityIDs.map((entityID) => _mainPresetIndex.match(context.graph().entity(entityID), context.graph()));
+      var list = listWrap.append("div").attr("class", "preset-list").call(drawList, _mainPresetIndex.defaults(entityGeometries()[0], 36, !context.inIntro(), _currLoc, entityPresets));
+      context.features().on("change.preset-list", updateForFeatureHiddenState);
+    }
+    function drawList(list, presets) {
+      presets = presets.matchAllGeometry(entityGeometries());
+      var collection = presets.collection.reduce(function(collection2, preset) {
+        if (!preset)
+          return collection2;
+        if (preset.members) {
+          if (preset.members.collection.filter(function(preset2) {
+            return preset2.addable();
+          }).length > 1) {
+            collection2.push(CategoryItem(preset));
+          }
+        } else if (preset.addable()) {
+          collection2.push(PresetItem(preset));
+        }
+        return collection2;
+      }, []);
+      var items = list.selectAll(".preset-list-item").data(collection, function(d) {
+        return d.preset.id;
+      });
+      items.order();
+      items.exit().remove();
+      items.enter().append("div").attr("class", function(item) {
+        return "preset-list-item preset-" + item.preset.id.replace("/", "-");
+      }).classed("current", function(item) {
+        return _currentPresets.indexOf(item.preset) !== -1;
+      }).each(function(item) {
+        select_default2(this).call(item);
+      }).style("opacity", 0).transition().style("opacity", 1);
+      updateForFeatureHiddenState();
+    }
+    function itemKeydown(d3_event) {
+      var item = select_default2(this.closest(".preset-list-item"));
+      var parentItem = select_default2(item.node().parentNode.closest(".preset-list-item"));
+      if (d3_event.keyCode === utilKeybinding.keyCodes["\u2193"]) {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        var nextItem = select_default2(item.node().nextElementSibling);
+        if (nextItem.empty()) {
+          if (!parentItem.empty()) {
+            nextItem = select_default2(parentItem.node().nextElementSibling);
+          }
+        } else if (select_default2(this).classed("expanded")) {
+          nextItem = item.select(".subgrid .preset-list-item:first-child");
+        }
+        if (!nextItem.empty()) {
+          nextItem.select(".preset-list-button").node().focus();
+        }
+      } else if (d3_event.keyCode === utilKeybinding.keyCodes["\u2191"]) {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        var previousItem = select_default2(item.node().previousElementSibling);
+        if (previousItem.empty()) {
+          if (!parentItem.empty()) {
+            previousItem = parentItem;
+          }
+        } else if (previousItem.select(".preset-list-button").classed("expanded")) {
+          previousItem = previousItem.select(".subgrid .preset-list-item:last-child");
+        }
+        if (!previousItem.empty()) {
+          previousItem.select(".preset-list-button").node().focus();
+        } else {
+          var search = select_default2(this.closest(".preset-list-pane")).select(".preset-search-input");
+          search.node().focus();
+        }
+      } else if (d3_event.keyCode === utilKeybinding.keyCodes[_mainLocalizer.textDirection() === "rtl" ? "\u2192" : "\u2190"]) {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        if (!parentItem.empty()) {
+          parentItem.select(".preset-list-button").node().focus();
+        }
+      } else if (d3_event.keyCode === utilKeybinding.keyCodes[_mainLocalizer.textDirection() === "rtl" ? "\u2190" : "\u2192"]) {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        item.datum().choose.call(select_default2(this).node());
+      }
+    }
+    function CategoryItem(preset) {
+      var box, sublist, shown = false;
+      function item(selection2) {
+        var wrap2 = selection2.append("div").attr("class", "preset-list-button-wrap category");
+        function click() {
+          var isExpanded = select_default2(this).classed("expanded");
+          var iconName = isExpanded ? _mainLocalizer.textDirection() === "rtl" ? "#iD-icon-backward" : "#iD-icon-forward" : "#iD-icon-down";
+          select_default2(this).classed("expanded", !isExpanded).attr("title", !isExpanded ? _t("icons.collapse") : _t("icons.expand"));
+          select_default2(this).selectAll("div.label-inner svg.icon use").attr("href", iconName);
+          item.choose();
+        }
+        var geometries = entityGeometries();
+        var button = wrap2.append("button").attr("class", "preset-list-button").attr("title", _t("icons.expand")).classed("expanded", false).call(uiPresetIcon().geometry(geometries.length === 1 && geometries[0]).preset(preset)).on("click", click).on("keydown", function(d3_event) {
+          if (d3_event.keyCode === utilKeybinding.keyCodes[_mainLocalizer.textDirection() === "rtl" ? "\u2190" : "\u2192"]) {
+            d3_event.preventDefault();
+            d3_event.stopPropagation();
+            if (!select_default2(this).classed("expanded")) {
+              click.call(this, d3_event);
+            }
+          } else if (d3_event.keyCode === utilKeybinding.keyCodes[_mainLocalizer.textDirection() === "rtl" ? "\u2192" : "\u2190"]) {
+            d3_event.preventDefault();
+            d3_event.stopPropagation();
+            if (select_default2(this).classed("expanded")) {
+              click.call(this, d3_event);
+            }
+          } else {
+            itemKeydown.call(this, d3_event);
+          }
+        });
+        var label = button.append("div").attr("class", "label").append("div").attr("class", "label-inner");
+        label.append("div").attr("class", "namepart").call(svgIcon(_mainLocalizer.textDirection() === "rtl" ? "#iD-icon-backward" : "#iD-icon-forward", "inline")).append("span").call(preset.nameLabel()).append("span").text("\u2026");
+        box = selection2.append("div").attr("class", "subgrid").style("max-height", "0px").style("opacity", 0);
+        box.append("div").attr("class", "arrow");
+        sublist = box.append("div").attr("class", "preset-list fillL3");
+      }
+      item.choose = function() {
+        if (!box || !sublist)
+          return;
+        if (shown) {
+          shown = false;
+          box.transition().duration(200).style("opacity", "0").style("max-height", "0px").style("padding-bottom", "0px");
+        } else {
+          shown = true;
+          var members = preset.members.matchAllGeometry(entityGeometries());
+          sublist.call(drawList, members);
+          box.transition().duration(200).style("opacity", "1").style("max-height", 200 + members.collection.length * 190 + "px").style("padding-bottom", "10px");
+        }
+      };
+      item.preset = preset;
+      return item;
+    }
+    function PresetItem(preset) {
+      function item(selection2) {
+        var wrap2 = selection2.append("div").attr("class", "preset-list-button-wrap");
+        var geometries = entityGeometries();
+        var button = wrap2.append("button").attr("class", "preset-list-button").call(uiPresetIcon().geometry(geometries.length === 1 && geometries[0]).preset(preset)).on("click", item.choose).on("keydown", itemKeydown);
+        var label = button.append("div").attr("class", "label").append("div").attr("class", "label-inner");
+        var nameparts = [
+          preset.nameLabel(),
+          preset.subtitleLabel()
+        ].filter(Boolean);
+        label.selectAll(".namepart").data(nameparts, (d) => d.stringId).enter().append("div").attr("class", "namepart").text("").each(function(d) {
+          d(select_default2(this));
+        });
+        wrap2.call(item.reference.button);
+        selection2.call(item.reference.body);
+      }
+      item.choose = function() {
+        if (select_default2(this).classed("disabled"))
+          return;
+        if (!context.inIntro()) {
+          _mainPresetIndex.setMostRecent(preset, entityGeometries()[0]);
+        }
+        context.perform(
+          function(graph) {
+            for (var i2 in _entityIDs) {
+              var entityID = _entityIDs[i2];
+              var oldPreset = _mainPresetIndex.match(graph.entity(entityID), graph);
+              graph = actionChangePreset(entityID, oldPreset, preset)(graph);
+            }
+            return graph;
+          },
+          _t("operations.change_tags.annotation")
+        );
+        context.validator().validate();
+        dispatch10.call("choose", this, preset);
+      };
+      item.help = function(d3_event) {
+        d3_event.stopPropagation();
+        item.reference.toggle();
+      };
+      item.preset = preset;
+      item.reference = uiTagReference(preset.reference(), context);
+      return item;
+    }
+    function updateForFeatureHiddenState() {
+      if (!_entityIDs.every(context.hasEntity))
+        return;
+      var geometries = entityGeometries();
+      var button = context.container().selectAll(".preset-list .preset-list-button");
+      button.call(uiTooltip().destroyAny);
+      button.each(function(item, index) {
+        var hiddenPresetFeaturesId;
+        for (var i2 in geometries) {
+          hiddenPresetFeaturesId = context.features().isHiddenPreset(item.preset, geometries[i2]);
+          if (hiddenPresetFeaturesId)
+            break;
+        }
+        var isHiddenPreset = !context.inIntro() && !!hiddenPresetFeaturesId && (_currentPresets.length !== 1 || item.preset !== _currentPresets[0]);
+        select_default2(this).classed("disabled", isHiddenPreset);
+        if (isHiddenPreset) {
+          var isAutoHidden = context.features().autoHidden(hiddenPresetFeaturesId);
+          select_default2(this).call(
+            uiTooltip().title(() => _t.append("inspector.hidden_preset." + (isAutoHidden ? "zoom" : "manual"), {
+              features: _t("feature." + hiddenPresetFeaturesId + ".description")
+            })).placement(index < 2 ? "bottom" : "top")
+          );
+        }
+      });
+    }
+    presetList.autofocus = function(val) {
+      if (!arguments.length)
+        return _autofocus;
+      _autofocus = val;
+      return presetList;
+    };
+    presetList.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      _currLoc = null;
+      if (_entityIDs && _entityIDs.length) {
+        const extent = _entityIDs.reduce(function(extent2, entityID) {
+          var entity = context.graph().entity(entityID);
+          return extent2.extend(entity.extent(context.graph()));
+        }, geoExtent());
+        _currLoc = extent.center();
+        var presets = _entityIDs.map(function(entityID) {
+          return _mainPresetIndex.match(context.entity(entityID), context.graph());
+        });
+        presetList.presets(presets);
+      }
+      return presetList;
+    };
+    presetList.presets = function(val) {
+      if (!arguments.length)
+        return _currentPresets;
+      _currentPresets = val;
+      return presetList;
+    };
+    function entityGeometries() {
+      var counts = {};
+      for (var i2 in _entityIDs) {
+        var entityID = _entityIDs[i2];
+        var entity = context.entity(entityID);
+        var geometry = entity.geometry(context.graph());
+        if (geometry === "vertex" && entity.isOnAddressLine(context.graph())) {
+          geometry = "point";
+        }
+        if (!counts[geometry])
+          counts[geometry] = 0;
+        counts[geometry] += 1;
+      }
+      return Object.keys(counts).sort(function(geom1, geom2) {
+        return counts[geom2] - counts[geom1];
+      });
+    }
+    return utilRebind(presetList, dispatch10, "on");
+  }
+
+  // modules/ui/view_on_osm.js
+  function uiViewOnOSM(context) {
+    var _what;
+    function viewOnOSM(selection2) {
+      var url;
+      if (_what instanceof osmEntity) {
+        url = context.connection().entityURL(_what);
+      } else if (_what instanceof osmNote) {
+        url = context.connection().noteURL(_what);
+      }
+      var data = !_what || _what.isNew() ? [] : [_what];
+      var link2 = selection2.selectAll(".view-on-osm").data(data, function(d) {
+        return d.id;
+      });
+      link2.exit().remove();
+      var linkEnter = link2.enter().append("a").attr("class", "view-on-osm").attr("target", "_blank").attr("href", url).call(svgIcon("#iD-icon-out-link", "inline"));
+      linkEnter.append("span").call(_t.append("inspector.view_on_osm"));
+    }
+    viewOnOSM.what = function(_) {
+      if (!arguments.length)
+        return _what;
+      _what = _;
+      return viewOnOSM;
+    };
+    return viewOnOSM;
+  }
+
+  // modules/ui/inspector.js
+  function uiInspector(context) {
+    var presetList = uiPresetList(context);
+    var entityEditor = uiEntityEditor(context);
+    var wrap2 = select_default2(null), presetPane = select_default2(null), editorPane = select_default2(null);
+    var _state = "select";
+    var _entityIDs;
+    var _newFeature = false;
+    function inspector(selection2) {
+      presetList.entityIDs(_entityIDs).autofocus(_newFeature).on("choose", inspector.setPreset).on("cancel", function() {
+        inspector.setPreset();
+      });
+      entityEditor.state(_state).entityIDs(_entityIDs).on("choose", inspector.showList);
+      wrap2 = selection2.selectAll(".panewrap").data([0]);
+      var enter = wrap2.enter().append("div").attr("class", "panewrap");
+      enter.append("div").attr("class", "preset-list-pane pane");
+      enter.append("div").attr("class", "entity-editor-pane pane");
+      wrap2 = wrap2.merge(enter);
+      presetPane = wrap2.selectAll(".preset-list-pane");
+      editorPane = wrap2.selectAll(".entity-editor-pane");
+      function shouldDefaultToPresetList() {
+        if (_state !== "select")
+          return false;
+        if (_entityIDs.length !== 1)
+          return false;
+        var entityID = _entityIDs[0];
+        var entity = context.hasEntity(entityID);
+        if (!entity)
+          return false;
+        if (entity.hasNonGeometryTags())
+          return false;
+        if (_newFeature)
+          return true;
+        if (entity.geometry(context.graph()) !== "vertex")
+          return false;
+        if (context.graph().parentRelations(entity).length)
+          return false;
+        if (context.validator().getEntityIssues(entityID).length)
+          return false;
+        if (entity.isHighwayIntersection(context.graph()))
+          return false;
+        return true;
+      }
+      if (shouldDefaultToPresetList()) {
+        wrap2.style("right", "-100%");
+        editorPane.classed("hide", true);
+        presetPane.classed("hide", false).call(presetList);
+      } else {
+        wrap2.style("right", "0%");
+        presetPane.classed("hide", true);
+        editorPane.classed("hide", false).call(entityEditor);
+      }
+      var footer = selection2.selectAll(".footer").data([0]);
+      footer = footer.enter().append("div").attr("class", "footer").merge(footer);
+      footer.call(
+        uiViewOnOSM(context).what(context.hasEntity(_entityIDs.length === 1 && _entityIDs[0]))
+      );
+    }
+    inspector.showList = function(presets) {
+      presetPane.classed("hide", false);
+      wrap2.transition().styleTween("right", function() {
+        return value_default("0%", "-100%");
+      }).on("end", function() {
+        editorPane.classed("hide", true);
+      });
+      if (presets) {
+        presetList.presets(presets);
+      }
+      presetPane.call(presetList.autofocus(true));
+    };
+    inspector.setPreset = function(preset) {
+      if (preset && preset.id === "type/multipolygon") {
+        presetPane.call(presetList.autofocus(true));
+      } else {
+        editorPane.classed("hide", false);
+        wrap2.transition().styleTween("right", function() {
+          return value_default("-100%", "0%");
+        }).on("end", function() {
+          presetPane.classed("hide", true);
+        });
+        if (preset) {
+          entityEditor.presets([preset]);
+        }
+        editorPane.call(entityEditor);
+      }
+    };
+    inspector.state = function(val) {
+      if (!arguments.length)
+        return _state;
+      _state = val;
+      entityEditor.state(_state);
+      context.container().selectAll(".field-help-body").remove();
+      return inspector;
+    };
+    inspector.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      _entityIDs = val;
+      return inspector;
+    };
+    inspector.newFeature = function(val) {
+      if (!arguments.length)
+        return _newFeature;
+      _newFeature = val;
+      return inspector;
+    };
+    return inspector;
+  }
+
+  // modules/ui/keepRight_details.js
+  function uiKeepRightDetails(context) {
+    let _qaItem;
+    function issueDetail(d) {
+      const { itemType, parentIssueType } = d;
+      const unknown = { html: _t.html("inspector.unknown") };
+      let replacements = d.replacements || {};
+      replacements.default = unknown;
+      if (_mainLocalizer.hasTextForStringId(`QA.keepRight.errorTypes.${itemType}.title`)) {
+        return _t.html(`QA.keepRight.errorTypes.${itemType}.description`, replacements);
+      } else {
+        return _t.html(`QA.keepRight.errorTypes.${parentIssueType}.description`, replacements);
+      }
+    }
+    function keepRightDetails(selection2) {
+      const details = selection2.selectAll(".error-details").data(
+        _qaItem ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      details.exit().remove();
+      const detailsEnter = details.enter().append("div").attr("class", "error-details qa-details-container");
+      const descriptionEnter = detailsEnter.append("div").attr("class", "qa-details-subsection");
+      descriptionEnter.append("h4").call(_t.append("QA.keepRight.detail_description"));
+      descriptionEnter.append("div").attr("class", "qa-details-description-text").html(issueDetail);
+      let relatedEntities = [];
+      descriptionEnter.selectAll(".error_entity_link, .error_object_link").attr("href", "#").each(function() {
+        const link2 = select_default2(this);
+        const isObjectLink = link2.classed("error_object_link");
+        const entityID = isObjectLink ? utilEntityRoot(_qaItem.objectType) + _qaItem.objectId : this.textContent;
+        const entity = context.hasEntity(entityID);
+        relatedEntities.push(entityID);
+        link2.on("mouseenter", () => {
+          utilHighlightEntities([entityID], true, context);
+        }).on("mouseleave", () => {
+          utilHighlightEntities([entityID], false, context);
+        }).on("click", (d3_event) => {
+          d3_event.preventDefault();
+          utilHighlightEntities([entityID], false, context);
+          const osmlayer = context.layers().layer("osm");
+          if (!osmlayer.enabled()) {
+            osmlayer.enabled(true);
+          }
+          context.map().centerZoomEase(_qaItem.loc, 20);
+          if (entity) {
+            context.enter(modeSelect(context, [entityID]));
+          } else {
+            context.loadEntity(entityID, (err, result) => {
+              if (err)
+                return;
+              const entity2 = result.data.find((e) => e.id === entityID);
+              if (entity2)
+                context.enter(modeSelect(context, [entityID]));
+            });
+          }
+        });
+        if (entity) {
+          let name = utilDisplayName(entity);
+          if (!name && !isObjectLink) {
+            const preset = _mainPresetIndex.match(entity, context.graph());
+            name = preset && !preset.isFallback() && preset.name();
+          }
+          if (name) {
+            this.innerText = name;
+          }
+        }
+      });
+      context.features().forceVisible(relatedEntities);
+      context.map().pan([0, 0]);
+    }
+    keepRightDetails.issue = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return keepRightDetails;
+    };
+    return keepRightDetails;
+  }
+
+  // modules/ui/keepRight_header.js
+  function uiKeepRightHeader() {
+    let _qaItem;
+    function issueTitle(d) {
+      const { itemType, parentIssueType } = d;
+      const unknown = _t.html("inspector.unknown");
+      let replacements = d.replacements || {};
+      replacements.default = { html: unknown };
+      if (_mainLocalizer.hasTextForStringId(`QA.keepRight.errorTypes.${itemType}.title`)) {
+        return _t.html(`QA.keepRight.errorTypes.${itemType}.title`, replacements);
+      } else {
+        return _t.html(`QA.keepRight.errorTypes.${parentIssueType}.title`, replacements);
+      }
+    }
+    function keepRightHeader(selection2) {
+      const header = selection2.selectAll(".qa-header").data(
+        _qaItem ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      header.exit().remove();
+      const headerEnter = header.enter().append("div").attr("class", "qa-header");
+      const iconEnter = headerEnter.append("div").attr("class", "qa-header-icon").classed("new", (d) => d.id < 0);
+      iconEnter.append("div").attr("class", (d) => `preset-icon-28 qaItem ${d.service} itemId-${d.id} itemType-${d.parentIssueType}`).call(svgIcon("#iD-icon-bolt", "qaItem-fill"));
+      headerEnter.append("div").attr("class", "qa-header-label").html(issueTitle);
+    }
+    keepRightHeader.issue = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return keepRightHeader;
+    };
+    return keepRightHeader;
+  }
+
+  // modules/ui/view_on_keepRight.js
+  function uiViewOnKeepRight() {
+    let _qaItem;
+    function viewOnKeepRight(selection2) {
+      let url;
+      if (services.keepRight && _qaItem instanceof QAItem) {
+        url = services.keepRight.issueURL(_qaItem);
+      }
+      const link2 = selection2.selectAll(".view-on-keepRight").data(url ? [url] : []);
+      link2.exit().remove();
+      const linkEnter = link2.enter().append("a").attr("class", "view-on-keepRight").attr("target", "_blank").attr("rel", "noopener").attr("href", (d) => d).call(svgIcon("#iD-icon-out-link", "inline"));
+      linkEnter.append("span").call(_t.append("inspector.view_on_keepRight"));
+    }
+    viewOnKeepRight.what = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return viewOnKeepRight;
+    };
+    return viewOnKeepRight;
+  }
+
+  // modules/ui/keepRight_editor.js
+  function uiKeepRightEditor(context) {
+    const dispatch10 = dispatch_default("change");
+    const qaDetails = uiKeepRightDetails(context);
+    const qaHeader = uiKeepRightHeader(context);
+    let _qaItem;
+    function keepRightEditor(selection2) {
+      const headerEnter = selection2.selectAll(".header").data([0]).enter().append("div").attr("class", "header fillL");
+      headerEnter.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", () => context.enter(modeBrowse(context))).call(svgIcon("#iD-icon-close"));
+      headerEnter.append("h2").call(_t.append("QA.keepRight.title"));
+      let body = selection2.selectAll(".body").data([0]);
+      body = body.enter().append("div").attr("class", "body").merge(body);
+      const editor = body.selectAll(".qa-editor").data([0]);
+      editor.enter().append("div").attr("class", "modal-section qa-editor").merge(editor).call(qaHeader.issue(_qaItem)).call(qaDetails.issue(_qaItem)).call(keepRightSaveSection);
+      const footer = selection2.selectAll(".footer").data([0]);
+      footer.enter().append("div").attr("class", "footer").merge(footer).call(uiViewOnKeepRight(context).what(_qaItem));
+    }
+    function keepRightSaveSection(selection2) {
+      const isSelected = _qaItem && _qaItem.id === context.selectedErrorID();
+      const isShown = _qaItem && (isSelected || _qaItem.newComment || _qaItem.comment);
+      let saveSection = selection2.selectAll(".qa-save").data(
+        isShown ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      saveSection.exit().remove();
+      const saveSectionEnter = saveSection.enter().append("div").attr("class", "qa-save save-section cf");
+      saveSectionEnter.append("h4").attr("class", ".qa-save-header").call(_t.append("QA.keepRight.comment"));
+      saveSectionEnter.append("textarea").attr("class", "new-comment-input").attr("placeholder", _t("QA.keepRight.comment_placeholder")).attr("maxlength", 1e3).property("value", (d) => d.newComment || d.comment).call(utilNoAuto).on("input", changeInput).on("blur", changeInput);
+      saveSection = saveSectionEnter.merge(saveSection).call(qaSaveButtons);
+      function changeInput() {
+        const input = select_default2(this);
+        let val = input.property("value").trim();
+        if (val === _qaItem.comment) {
+          val = void 0;
+        }
+        _qaItem = _qaItem.update({ newComment: val });
+        const qaService = services.keepRight;
+        if (qaService) {
+          qaService.replaceItem(_qaItem);
+        }
+        saveSection.call(qaSaveButtons);
+      }
+    }
+    function qaSaveButtons(selection2) {
+      const isSelected = _qaItem && _qaItem.id === context.selectedErrorID();
+      let buttonSection = selection2.selectAll(".buttons").data(isSelected ? [_qaItem] : [], (d) => d.status + d.id);
+      buttonSection.exit().remove();
+      const buttonEnter = buttonSection.enter().append("div").attr("class", "buttons");
+      buttonEnter.append("button").attr("class", "button comment-button action").call(_t.append("QA.keepRight.save_comment"));
+      buttonEnter.append("button").attr("class", "button close-button action");
+      buttonEnter.append("button").attr("class", "button ignore-button action");
+      buttonSection = buttonSection.merge(buttonEnter);
+      buttonSection.select(".comment-button").attr("disabled", (d) => d.newComment ? null : true).on("click.comment", function(d3_event, d) {
+        this.blur();
+        const qaService = services.keepRight;
+        if (qaService) {
+          qaService.postUpdate(d, (err, item) => dispatch10.call("change", item));
+        }
+      });
+      buttonSection.select(".close-button").html((d) => {
+        const andComment = d.newComment ? "_comment" : "";
+        return _t.html(`QA.keepRight.close${andComment}`);
+      }).on("click.close", function(d3_event, d) {
+        this.blur();
+        const qaService = services.keepRight;
+        if (qaService) {
+          d.newStatus = "ignore_t";
+          qaService.postUpdate(d, (err, item) => dispatch10.call("change", item));
+        }
+      });
+      buttonSection.select(".ignore-button").html((d) => {
+        const andComment = d.newComment ? "_comment" : "";
+        return _t.html(`QA.keepRight.ignore${andComment}`);
+      }).on("click.ignore", function(d3_event, d) {
+        this.blur();
+        const qaService = services.keepRight;
+        if (qaService) {
+          d.newStatus = "ignore";
+          qaService.postUpdate(d, (err, item) => dispatch10.call("change", item));
+        }
+      });
+    }
+    keepRightEditor.error = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return keepRightEditor;
+    };
+    return utilRebind(keepRightEditor, dispatch10, "on");
+  }
+
+  // modules/ui/lasso.js
+  function uiLasso(context) {
+    var group, polygon2;
+    lasso.coordinates = [];
+    function lasso(selection2) {
+      context.container().classed("lasso", true);
+      group = selection2.append("g").attr("class", "lasso hide");
+      polygon2 = group.append("path").attr("class", "lasso-path");
+      group.call(uiToggle(true));
+    }
+    function draw() {
+      if (polygon2) {
+        polygon2.data([lasso.coordinates]).attr("d", function(d) {
+          return "M" + d.join(" L") + " Z";
+        });
+      }
+    }
+    lasso.extent = function() {
+      return lasso.coordinates.reduce(function(extent, point2) {
+        return extent.extend(geoExtent(point2));
+      }, geoExtent());
+    };
+    lasso.p = function(_) {
+      if (!arguments.length)
+        return lasso;
+      lasso.coordinates.push(_);
+      draw();
+      return lasso;
+    };
+    lasso.close = function() {
+      if (group) {
+        group.call(uiToggle(false, function() {
+          select_default2(this).remove();
+        }));
+      }
+      context.container().classed("lasso", false);
+    };
+    return lasso;
+  }
+
+  // modules/ui/note_comments.js
+  function uiNoteComments() {
+    var _note;
+    function noteComments(selection2) {
+      if (_note.isNew())
+        return;
+      var comments = selection2.selectAll(".comments-container").data([0]);
+      comments = comments.enter().append("div").attr("class", "comments-container").merge(comments);
+      var commentEnter = comments.selectAll(".comment").data(_note.comments).enter().append("div").attr("class", "comment");
+      commentEnter.append("div").attr("class", function(d) {
+        return "comment-avatar user-" + d.uid;
+      }).call(svgIcon("#iD-icon-avatar", "comment-avatar-icon"));
+      var mainEnter = commentEnter.append("div").attr("class", "comment-main");
+      var metadataEnter = mainEnter.append("div").attr("class", "comment-metadata");
+      metadataEnter.append("div").attr("class", "comment-author").each(function(d) {
+        var selection3 = select_default2(this);
+        var osm = services.osm;
+        if (osm && d.user) {
+          selection3 = selection3.append("a").attr("class", "comment-author-link").attr("href", osm.userURL(d.user)).attr("target", "_blank");
+        }
+        if (d.user) {
+          selection3.text(d.user);
+        } else {
+          selection3.call(_t.append("note.anonymous"));
+        }
+      });
+      metadataEnter.append("div").attr("class", "comment-date").html(function(d) {
+        return _t.html("note.status." + d.action, { when: localeDateString2(d.date) });
+      });
+      mainEnter.append("div").attr("class", "comment-text").html(function(d) {
+        return d.html;
+      }).selectAll("a").attr("rel", "noopener nofollow").attr("target", "_blank");
+      comments.call(replaceAvatars);
+    }
+    function replaceAvatars(selection2) {
+      var showThirdPartyIcons = corePreferences("preferences.privacy.thirdpartyicons") || "true";
+      var osm = services.osm;
+      if (showThirdPartyIcons !== "true" || !osm)
+        return;
+      var uids = {};
+      _note.comments.forEach(function(d) {
+        if (d.uid)
+          uids[d.uid] = true;
+      });
+      Object.keys(uids).forEach(function(uid) {
+        osm.loadUser(uid, function(err, user) {
+          if (!user || !user.image_url)
+            return;
+          selection2.selectAll(".comment-avatar.user-" + uid).html("").append("img").attr("class", "icon comment-avatar-icon").attr("src", user.image_url).attr("alt", user.display_name);
+        });
+      });
+    }
+    function localeDateString2(s) {
+      if (!s)
+        return null;
+      var options2 = { day: "numeric", month: "short", year: "numeric" };
+      s = s.replace(/-/g, "/");
+      var d = new Date(s);
+      if (isNaN(d.getTime()))
+        return null;
+      return d.toLocaleDateString(_mainLocalizer.localeCode(), options2);
+    }
+    noteComments.note = function(val) {
+      if (!arguments.length)
+        return _note;
+      _note = val;
+      return noteComments;
+    };
+    return noteComments;
+  }
+
+  // modules/ui/note_header.js
+  function uiNoteHeader() {
+    var _note;
+    function noteHeader(selection2) {
+      var header = selection2.selectAll(".note-header").data(
+        _note ? [_note] : [],
+        function(d) {
+          return d.status + d.id;
+        }
+      );
+      header.exit().remove();
+      var headerEnter = header.enter().append("div").attr("class", "note-header");
+      var iconEnter = headerEnter.append("div").attr("class", function(d) {
+        return "note-header-icon " + d.status;
+      }).classed("new", function(d) {
+        return d.id < 0;
+      });
+      iconEnter.append("div").attr("class", "preset-icon-28").call(svgIcon("#iD-icon-note", "note-fill"));
+      iconEnter.each(function(d) {
+        var statusIcon;
+        if (d.id < 0) {
+          statusIcon = "#iD-icon-plus";
+        } else if (d.status === "open") {
+          statusIcon = "#iD-icon-close";
+        } else {
+          statusIcon = "#iD-icon-apply";
+        }
+        iconEnter.append("div").attr("class", "note-icon-annotation").attr("title", _t("icons.close")).call(svgIcon(statusIcon, "icon-annotation"));
+      });
+      headerEnter.append("div").attr("class", "note-header-label").html(function(d) {
+        if (_note.isNew()) {
+          return _t.html("note.new");
+        }
+        return _t.html("note.note") + " " + d.id + " " + (d.status === "closed" ? _t.html("note.closed") : "");
+      });
+    }
+    noteHeader.note = function(val) {
+      if (!arguments.length)
+        return _note;
+      _note = val;
+      return noteHeader;
+    };
+    return noteHeader;
+  }
+
+  // modules/ui/note_report.js
+  function uiNoteReport() {
+    var _note;
+    function noteReport(selection2) {
+      var url;
+      if (services.osm && _note instanceof osmNote && !_note.isNew()) {
+        url = services.osm.noteReportURL(_note);
+      }
+      var link2 = selection2.selectAll(".note-report").data(url ? [url] : []);
+      link2.exit().remove();
+      var linkEnter = link2.enter().append("a").attr("class", "note-report").attr("target", "_blank").attr("href", function(d) {
+        return d;
+      }).call(svgIcon("#iD-icon-out-link", "inline"));
+      linkEnter.append("span").call(_t.append("note.report"));
+    }
+    noteReport.note = function(val) {
+      if (!arguments.length)
+        return _note;
+      _note = val;
+      return noteReport;
+    };
+    return noteReport;
+  }
+
+  // modules/ui/note_editor.js
+  function uiNoteEditor(context) {
+    var dispatch10 = dispatch_default("change");
+    var noteComments = uiNoteComments(context);
+    var noteHeader = uiNoteHeader();
+    var _note;
+    var _newNote;
+    function noteEditor(selection2) {
+      var header = selection2.selectAll(".header").data([0]);
+      var headerEnter = header.enter().append("div").attr("class", "header fillL");
+      headerEnter.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", function() {
+        context.enter(modeBrowse(context));
+      }).call(svgIcon("#iD-icon-close"));
+      headerEnter.append("h2").call(_t.append("note.title"));
+      var body = selection2.selectAll(".body").data([0]);
+      body = body.enter().append("div").attr("class", "body").merge(body);
+      var editor = body.selectAll(".note-editor").data([0]);
+      editor.enter().append("div").attr("class", "modal-section note-editor").merge(editor).call(noteHeader.note(_note)).call(noteComments.note(_note)).call(noteSaveSection);
+      var footer = selection2.selectAll(".footer").data([0]);
+      footer.enter().append("div").attr("class", "footer").merge(footer).call(uiViewOnOSM(context).what(_note)).call(uiNoteReport(context).note(_note));
+      var osm = services.osm;
+      if (osm) {
+        osm.on("change.note-save", function() {
+          selection2.call(noteEditor);
+        });
+      }
+    }
+    function noteSaveSection(selection2) {
+      var isSelected = _note && _note.id === context.selectedNoteID();
+      var noteSave = selection2.selectAll(".note-save").data(isSelected ? [_note] : [], function(d) {
+        return d.status + d.id;
+      });
+      noteSave.exit().remove();
+      var noteSaveEnter = noteSave.enter().append("div").attr("class", "note-save save-section cf");
+      noteSaveEnter.append("h4").attr("class", ".note-save-header").html(function() {
+        return _note.isNew() ? _t.html("note.newDescription") : _t.html("note.newComment");
+      });
+      var commentTextarea = noteSaveEnter.append("textarea").attr("class", "new-comment-input").attr("placeholder", _t("note.inputPlaceholder")).attr("maxlength", 1e3).property("value", function(d) {
+        return d.newComment;
+      }).call(utilNoAuto).on("keydown.note-input", keydown).on("input.note-input", changeInput).on("blur.note-input", changeInput);
+      if (!commentTextarea.empty() && _newNote) {
+        commentTextarea.node().focus();
+      }
+      noteSave = noteSaveEnter.merge(noteSave).call(userDetails).call(noteSaveButtons);
+      function keydown(d3_event) {
+        if (!(d3_event.keyCode === 13 && // ↩ Return
+        d3_event.metaKey))
+          return;
+        var osm = services.osm;
+        if (!osm)
+          return;
+        var hasAuth = osm.authenticated();
+        if (!hasAuth)
+          return;
+        if (!_note.newComment)
+          return;
+        d3_event.preventDefault();
+        select_default2(this).on("keydown.note-input", null);
+        window.setTimeout(function() {
+          if (_note.isNew()) {
+            noteSave.selectAll(".save-button").node().focus();
+            clickSave(_note);
+          } else {
+            noteSave.selectAll(".comment-button").node().focus();
+            clickComment(_note);
+          }
+        }, 10);
+      }
+      function changeInput() {
+        var input = select_default2(this);
+        var val = input.property("value").trim() || void 0;
+        _note = _note.update({ newComment: val });
+        var osm = services.osm;
+        if (osm) {
+          osm.replaceNote(_note);
+        }
+        noteSave.call(noteSaveButtons);
+      }
+    }
+    function userDetails(selection2) {
+      var detailSection = selection2.selectAll(".detail-section").data([0]);
+      detailSection = detailSection.enter().append("div").attr("class", "detail-section").merge(detailSection);
+      var osm = services.osm;
+      if (!osm)
+        return;
+      var hasAuth = osm.authenticated();
+      var authWarning = detailSection.selectAll(".auth-warning").data(hasAuth ? [] : [0]);
+      authWarning.exit().transition().duration(200).style("opacity", 0).remove();
+      var authEnter = authWarning.enter().insert("div", ".tag-reference-body").attr("class", "field-warning auth-warning").style("opacity", 0);
+      authEnter.call(svgIcon("#iD-icon-alert", "inline"));
+      authEnter.append("span").call(_t.append("note.login"));
+      authEnter.append("a").attr("target", "_blank").call(svgIcon("#iD-icon-out-link", "inline")).append("span").call(_t.append("login")).on("click.note-login", function(d3_event) {
+        d3_event.preventDefault();
+        osm.authenticate();
+      });
+      authEnter.transition().duration(200).style("opacity", 1);
+      var prose = detailSection.selectAll(".note-save-prose").data(hasAuth ? [0] : []);
+      prose.exit().remove();
+      prose = prose.enter().append("p").attr("class", "note-save-prose").call(_t.append("note.upload_explanation")).merge(prose);
+      osm.userDetails(function(err, user) {
+        if (err)
+          return;
+        var userLink = select_default2(document.createElement("div"));
+        if (user.image_url) {
+          userLink.append("img").attr("src", user.image_url).attr("class", "icon pre-text user-icon");
+        }
+        userLink.append("a").attr("class", "user-info").text(user.display_name).attr("href", osm.userURL(user.display_name)).attr("target", "_blank");
+        prose.html(_t.html("note.upload_explanation_with_user", { user: { html: userLink.html() } }));
+      });
+    }
+    function noteSaveButtons(selection2) {
+      var osm = services.osm;
+      var hasAuth = osm && osm.authenticated();
+      var isSelected = _note && _note.id === context.selectedNoteID();
+      var buttonSection = selection2.selectAll(".buttons").data(isSelected ? [_note] : [], function(d) {
+        return d.status + d.id;
+      });
+      buttonSection.exit().remove();
+      var buttonEnter = buttonSection.enter().append("div").attr("class", "buttons");
+      if (_note.isNew()) {
+        buttonEnter.append("button").attr("class", "button cancel-button secondary-action").call(_t.append("confirm.cancel"));
+        buttonEnter.append("button").attr("class", "button save-button action").call(_t.append("note.save"));
+      } else {
+        buttonEnter.append("button").attr("class", "button status-button action");
+        buttonEnter.append("button").attr("class", "button comment-button action").call(_t.append("note.comment"));
+      }
+      buttonSection = buttonSection.merge(buttonEnter);
+      buttonSection.select(".cancel-button").on("click.cancel", clickCancel);
+      buttonSection.select(".save-button").attr("disabled", isSaveDisabled).on("click.save", clickSave);
+      buttonSection.select(".status-button").attr("disabled", hasAuth ? null : true).html(function(d) {
+        var action = d.status === "open" ? "close" : "open";
+        var andComment = d.newComment ? "_comment" : "";
+        return _t.html("note." + action + andComment);
+      }).on("click.status", clickStatus);
+      buttonSection.select(".comment-button").attr("disabled", isSaveDisabled).on("click.comment", clickComment);
+      function isSaveDisabled(d) {
+        return hasAuth && d.status === "open" && d.newComment ? null : true;
+      }
+    }
+    function clickCancel(d3_event, d) {
+      this.blur();
+      var osm = services.osm;
+      if (osm) {
+        osm.removeNote(d);
+      }
+      context.enter(modeBrowse(context));
+      dispatch10.call("change");
+    }
+    function clickSave(d3_event, d) {
+      this.blur();
+      var osm = services.osm;
+      if (osm) {
+        osm.postNoteCreate(d, function(err, note) {
+          dispatch10.call("change", note);
+        });
+      }
+    }
+    function clickStatus(d3_event, d) {
+      this.blur();
+      var osm = services.osm;
+      if (osm) {
+        var setStatus = d.status === "open" ? "closed" : "open";
+        osm.postNoteUpdate(d, setStatus, function(err, note) {
+          dispatch10.call("change", note);
+        });
+      }
+    }
+    function clickComment(d3_event, d) {
+      this.blur();
+      var osm = services.osm;
+      if (osm) {
+        osm.postNoteUpdate(d, d.status, function(err, note) {
+          dispatch10.call("change", note);
+        });
+      }
+    }
+    noteEditor.note = function(val) {
+      if (!arguments.length)
+        return _note;
+      _note = val;
+      return noteEditor;
+    };
+    noteEditor.newNote = function(val) {
+      if (!arguments.length)
+        return _newNote;
+      _newNote = val;
+      return noteEditor;
+    };
+    return utilRebind(noteEditor, dispatch10, "on");
+  }
+
+  // modules/ui/source_switch.js
+  function uiSourceSwitch(context) {
+    var keys2;
+    function click(d3_event) {
+      d3_event.preventDefault();
+      var osm = context.connection();
+      if (!osm)
+        return;
+      if (context.inIntro())
+        return;
+      if (context.history().hasChanges() && !window.confirm(_t("source_switch.lose_changes")))
+        return;
+      var isLive = select_default2(this).classed("live");
+      isLive = !isLive;
+      context.enter(modeBrowse(context));
+      context.history().clearSaved();
+      context.flush();
+      select_default2(this).html(isLive ? _t.html("source_switch.live") : _t.html("source_switch.dev")).classed("live", isLive).classed("chip", isLive);
+      osm.switch(isLive ? keys2[0] : keys2[1]);
+    }
+    var sourceSwitch = function(selection2) {
+      selection2.append("a").attr("href", "#").call(_t.append("source_switch.live")).attr("class", "live chip").on("click", click);
+    };
+    sourceSwitch.keys = function(_) {
+      if (!arguments.length)
+        return keys2;
+      keys2 = _;
+      return sourceSwitch;
+    };
+    return sourceSwitch;
+  }
+
+  // modules/ui/spinner.js
+  function uiSpinner(context) {
+    var osm = context.connection();
+    return function(selection2) {
+      var img = selection2.append("img").attr("src", context.imagePath("loader-black.gif")).style("opacity", 0);
+      if (osm) {
+        osm.on("loading.spinner", function() {
+          img.transition().style("opacity", 1);
+        }).on("loaded.spinner", function() {
+          img.transition().style("opacity", 0);
+        });
+      }
+    };
+  }
+
+  // modules/ui/sections/privacy.js
+  function uiSectionPrivacy(context) {
+    let section = uiSection("preferences-third-party", context).label(() => _t.append("preferences.privacy.title")).disclosureContent(renderDisclosureContent);
+    function renderDisclosureContent(selection2) {
+      selection2.selectAll(".privacy-options-list").data([0]).enter().append("ul").attr("class", "layer-list privacy-options-list");
+      let thirdPartyIconsEnter = selection2.select(".privacy-options-list").selectAll(".privacy-third-party-icons-item").data([corePreferences("preferences.privacy.thirdpartyicons") || "true"]).enter().append("li").attr("class", "privacy-third-party-icons-item").append("label").call(
+        uiTooltip().title(() => _t.append("preferences.privacy.third_party_icons.tooltip")).placement("bottom")
+      );
+      thirdPartyIconsEnter.append("input").attr("type", "checkbox").on("change", (d3_event, d) => {
+        d3_event.preventDefault();
+        corePreferences("preferences.privacy.thirdpartyicons", d === "true" ? "false" : "true");
+      });
+      thirdPartyIconsEnter.append("span").call(_t.append("preferences.privacy.third_party_icons.description"));
+      selection2.selectAll(".privacy-third-party-icons-item").classed("active", (d) => d === "true").select("input").property("checked", (d) => d === "true");
+      selection2.selectAll(".privacy-link").data([0]).enter().append("div").attr("class", "privacy-link").append("a").attr("target", "_blank").call(svgIcon("#iD-icon-out-link", "inline")).attr("href", "https://github.com/openstreetmap/iD/blob/release/PRIVACY.md").append("span").call(_t.append("preferences.privacy.privacy_link"));
+    }
+    corePreferences.onChange("preferences.privacy.thirdpartyicons", section.reRender);
+    return section;
+  }
+
+  // modules/ui/splash.js
+  function uiSplash(context) {
+    return (selection2) => {
+      if (context.history().hasRestorableChanges())
+        return;
+      let updateMessage = "";
+      const sawPrivacyVersion = corePreferences("sawPrivacyVersion");
+      let showSplash = !corePreferences("sawSplash");
+      if (sawPrivacyVersion !== context.privacyVersion) {
+        updateMessage = _t("splash.privacy_update");
+        showSplash = true;
+      }
+      if (!showSplash)
+        return;
+      corePreferences("sawSplash", true);
+      corePreferences("sawPrivacyVersion", context.privacyVersion);
+      _mainFileFetcher.get("intro_graph");
+      let modalSelection = uiModal(selection2);
+      modalSelection.select(".modal").attr("class", "modal-splash modal");
+      let introModal = modalSelection.select(".content").append("div").attr("class", "fillL");
+      introModal.append("div").attr("class", "modal-section").append("h3").call(_t.append("splash.welcome"));
+      let modalSection = introModal.append("div").attr("class", "modal-section");
+      modalSection.append("p").html(_t.html("splash.text", {
+        version: context.version,
+        website: { html: '<a target="_blank" href="https://github.com/openstreetmap/iD/blob/develop/CHANGELOG.md#whats-new">' + _t.html("splash.changelog") + "</a>" },
+        github: { html: '<a target="_blank" href="https://github.com/openstreetmap/iD/issues">github.com</a>' }
+      }));
+      modalSection.append("p").html(_t.html("splash.privacy", {
+        updateMessage,
+        privacyLink: { html: '<a target="_blank" href="https://github.com/openstreetmap/iD/blob/release/PRIVACY.md">' + _t("splash.privacy_policy") + "</a>" }
+      }));
+      uiSectionPrivacy(context).label(() => _t.append("splash.privacy_settings")).render(modalSection);
+      let buttonWrap = introModal.append("div").attr("class", "modal-actions");
+      let walkthrough = buttonWrap.append("button").attr("class", "walkthrough").on("click", () => {
+        context.container().call(uiIntro(context));
+        modalSelection.close();
+      });
+      walkthrough.append("svg").attr("class", "logo logo-walkthrough").append("use").attr("xlink:href", "#iD-logo-walkthrough");
+      walkthrough.append("div").call(_t.append("splash.walkthrough"));
+      let startEditing = buttonWrap.append("button").attr("class", "start-editing").on("click", modalSelection.close);
+      startEditing.append("svg").attr("class", "logo logo-features").append("use").attr("xlink:href", "#iD-logo-features");
+      startEditing.append("div").call(_t.append("splash.start"));
+      modalSelection.select("button.close").attr("class", "hide");
+    };
+  }
+
+  // modules/ui/status.js
+  function uiStatus(context) {
+    var osm = context.connection();
+    return function(selection2) {
+      if (!osm)
+        return;
+      function update(err, apiStatus) {
+        selection2.html("");
+        if (err) {
+          if (apiStatus === "connectionSwitched") {
+            return;
+          } else if (apiStatus === "rateLimited") {
+            selection2.call(_t.append("osm_api_status.message.rateLimit")).append("a").attr("href", "#").attr("class", "api-status-login").attr("target", "_blank").call(svgIcon("#iD-icon-out-link", "inline")).append("span").call(_t.append("login")).on("click.login", function(d3_event) {
+              d3_event.preventDefault();
+              osm.authenticate();
+            });
+          } else {
+            var throttledRetry = throttle_default(function() {
+              context.loadTiles(context.projection);
+              osm.reloadApiStatus();
+            }, 2e3);
+            selection2.call(_t.append("osm_api_status.message.error", { suffix: " " })).append("a").attr("href", "#").call(_t.append("osm_api_status.retry")).on("click.retry", function(d3_event) {
+              d3_event.preventDefault();
+              throttledRetry();
+            });
+          }
+        } else if (apiStatus === "readonly") {
+          selection2.call(_t.append("osm_api_status.message.readonly"));
+        } else if (apiStatus === "offline") {
+          selection2.call(_t.append("osm_api_status.message.offline"));
+        }
+        selection2.attr("class", "api-status " + (err ? "error" : apiStatus));
+      }
+      osm.on("apiStatusChange.uiStatus", update);
+      context.history().on("storage_error", () => {
+        selection2.selectAll("span.local-storage-full").remove();
+        selection2.append("span").attr("class", "local-storage-full").call(_t.append("osm_api_status.message.local_storage_full"));
+        selection2.classed("error", true);
+      });
+      window.setInterval(function() {
+        osm.reloadApiStatus();
+      }, 9e4);
+      osm.reloadApiStatus();
+    };
+  }
+
+  // node_modules/osm-community-index/lib/simplify.js
+  var import_diacritics2 = __toESM(require_diacritics(), 1);
+  function simplify(str2) {
+    if (typeof str2 !== "string")
+      return "";
+    return import_diacritics2.default.remove(
+      str2.replace(/&/g, "and").replace(/(İ|i̇)/ig, "i").replace(/[\s\-=_!"#%'*{},.\/:;?\(\)\[\]@\\$\^*+<>«»~`’\u00a1\u00a7\u00b6\u00b7\u00bf\u037e\u0387\u055a-\u055f\u0589\u05c0\u05c3\u05c6\u05f3\u05f4\u0609\u060a\u060c\u060d\u061b\u061e\u061f\u066a-\u066d\u06d4\u0700-\u070d\u07f7-\u07f9\u0830-\u083e\u085e\u0964\u0965\u0970\u0af0\u0df4\u0e4f\u0e5a\u0e5b\u0f04-\u0f12\u0f14\u0f85\u0fd0-\u0fd4\u0fd9\u0fda\u104a-\u104f\u10fb\u1360-\u1368\u166d\u166e\u16eb-\u16ed\u1735\u1736\u17d4-\u17d6\u17d8-\u17da\u1800-\u1805\u1807-\u180a\u1944\u1945\u1a1e\u1a1f\u1aa0-\u1aa6\u1aa8-\u1aad\u1b5a-\u1b60\u1bfc-\u1bff\u1c3b-\u1c3f\u1c7e\u1c7f\u1cc0-\u1cc7\u1cd3\u2000-\u206f\u2cf9-\u2cfc\u2cfe\u2cff\u2d70\u2e00-\u2e7f\u3001-\u3003\u303d\u30fb\ua4fe\ua4ff\ua60d-\ua60f\ua673\ua67e\ua6f2-\ua6f7\ua874-\ua877\ua8ce\ua8cf\ua8f8-\ua8fa\ua92e\ua92f\ua95f\ua9c1-\ua9cd\ua9de\ua9df\uaa5c-\uaa5f\uaade\uaadf\uaaf0\uaaf1\uabeb\ufe10-\ufe16\ufe19\ufe30\ufe45\ufe46\ufe49-\ufe4c\ufe50-\ufe52\ufe54-\ufe57\ufe5f-\ufe61\ufe68\ufe6a\ufe6b\ufeff\uff01-\uff03\uff05-\uff07\uff0a\uff0c\uff0e\uff0f\uff1a\uff1b\uff1f\uff20\uff3c\uff61\uff64\uff65]+/g, "").toLowerCase()
+    );
+  }
+
+  // node_modules/osm-community-index/lib/resolve_strings.js
+  function resolveStrings(item, defaults2, localizerFn) {
+    let itemStrings = Object.assign({}, item.strings);
+    let defaultStrings = Object.assign({}, defaults2[item.type]);
+    const anyToken = new RegExp(/(\{\w+\})/, "gi");
+    if (localizerFn) {
+      if (itemStrings.community) {
+        const communityID = simplify(itemStrings.community);
+        itemStrings.community = localizerFn(`_communities.${communityID}`);
+      }
+      ["name", "description", "extendedDescription"].forEach((prop) => {
+        if (defaultStrings[prop])
+          defaultStrings[prop] = localizerFn(`_defaults.${item.type}.${prop}`);
+        if (itemStrings[prop])
+          itemStrings[prop] = localizerFn(`${item.id}.${prop}`);
+      });
+    }
+    let replacements = {
+      account: item.account,
+      community: itemStrings.community,
+      signupUrl: itemStrings.signupUrl,
+      url: itemStrings.url
+    };
+    if (!replacements.signupUrl) {
+      replacements.signupUrl = resolve(itemStrings.signupUrl || defaultStrings.signupUrl);
+    }
+    if (!replacements.url) {
+      replacements.url = resolve(itemStrings.url || defaultStrings.url);
+    }
+    let resolved = {
+      name: resolve(itemStrings.name || defaultStrings.name),
+      url: resolve(itemStrings.url || defaultStrings.url),
+      signupUrl: resolve(itemStrings.signupUrl || defaultStrings.signupUrl),
+      description: resolve(itemStrings.description || defaultStrings.description),
+      extendedDescription: resolve(itemStrings.extendedDescription || defaultStrings.extendedDescription)
+    };
+    resolved.nameHTML = linkify(resolved.url, resolved.name);
+    resolved.urlHTML = linkify(resolved.url);
+    resolved.signupUrlHTML = linkify(resolved.signupUrl);
+    resolved.descriptionHTML = resolve(itemStrings.description || defaultStrings.description, true);
+    resolved.extendedDescriptionHTML = resolve(itemStrings.extendedDescription || defaultStrings.extendedDescription, true);
+    return resolved;
+    function resolve(s, addLinks) {
+      if (!s)
+        return void 0;
+      let result = s;
+      for (let key in replacements) {
+        const token = `{${key}}`;
+        const regex = new RegExp(token, "g");
+        if (regex.test(result)) {
+          let replacement = replacements[key];
+          if (!replacement) {
+            throw new Error(`Cannot resolve token: ${token}`);
+          } else {
+            if (addLinks && (key === "signupUrl" || key === "url")) {
+              replacement = linkify(replacement);
+            }
+            result = result.replace(regex, replacement);
+          }
+        }
+      }
+      const leftovers = result.match(anyToken);
+      if (leftovers) {
+        throw new Error(`Cannot resolve tokens: ${leftovers}`);
+      }
+      if (addLinks && item.type === "reddit") {
+        result = result.replace(/(\/r\/\w+\/*)/i, (match) => linkify(resolved.url, match));
+      }
+      return result;
+    }
+    function linkify(url, text2) {
+      if (!url)
+        return void 0;
+      text2 = text2 || url;
+      return `<a target="_blank" href="${url}">${text2}</a>`;
+    }
+  }
+
+  // modules/ui/success.js
+  var _oci = null;
+  function uiSuccess(context) {
+    const MAXEVENTS = 2;
+    const dispatch10 = dispatch_default("cancel");
+    let _changeset2;
+    let _location;
+    ensureOSMCommunityIndex();
+    function ensureOSMCommunityIndex() {
+      const data = _mainFileFetcher;
+      return Promise.all([
+        data.get("oci_features"),
+        data.get("oci_resources"),
+        data.get("oci_defaults")
+      ]).then((vals) => {
+        if (_oci)
+          return _oci;
+        if (vals[0] && Array.isArray(vals[0].features)) {
+          _sharedLocationManager.mergeCustomGeoJSON(vals[0]);
+        }
+        let ociResources = Object.values(vals[1].resources);
+        if (ociResources.length) {
+          return _sharedLocationManager.mergeLocationSets(ociResources).then(() => {
+            _oci = {
+              resources: ociResources,
+              defaults: vals[2].defaults
+            };
+            return _oci;
+          });
+        } else {
+          _oci = {
+            resources: [],
+            // no resources?
+            defaults: vals[2].defaults
+          };
+          return _oci;
+        }
+      });
+    }
+    function parseEventDate(when) {
+      if (!when)
+        return;
+      let raw = when.trim();
+      if (!raw)
+        return;
+      if (!/Z$/.test(raw)) {
+        raw += "Z";
+      }
+      const parsed = new Date(raw);
+      return new Date(parsed.toUTCString().slice(0, 25));
+    }
+    function success(selection2) {
+      let header = selection2.append("div").attr("class", "header fillL");
+      header.append("h2").call(_t.append("success.just_edited"));
+      header.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", () => dispatch10.call("cancel")).call(svgIcon("#iD-icon-close"));
+      let body = selection2.append("div").attr("class", "body save-success fillL");
+      let summary = body.append("div").attr("class", "save-summary");
+      summary.append("h3").call(_t.append("success.thank_you" + (_location ? "_location" : ""), { where: _location }));
+      summary.append("p").call(_t.append("success.help_html")).append("a").attr("class", "link-out").attr("target", "_blank").attr("href", _t("success.help_link_url")).call(svgIcon("#iD-icon-out-link", "inline")).append("span").call(_t.append("success.help_link_text"));
+      let osm = context.connection();
+      if (!osm)
+        return;
+      let changesetURL = osm.changesetURL(_changeset2.id);
+      let table = summary.append("table").attr("class", "summary-table");
+      let row = table.append("tr").attr("class", "summary-row");
+      row.append("td").attr("class", "cell-icon summary-icon").append("a").attr("target", "_blank").attr("href", changesetURL).append("svg").attr("class", "logo-small").append("use").attr("xlink:href", "#iD-logo-osm");
+      let summaryDetail = row.append("td").attr("class", "cell-detail summary-detail");
+      summaryDetail.append("a").attr("class", "cell-detail summary-view-on-osm").attr("target", "_blank").attr("href", changesetURL).call(_t.append("success.view_on_osm"));
+      summaryDetail.append("div").html(_t.html("success.changeset_id", {
+        changeset_id: { html: `<a href="${changesetURL}" target="_blank">${_changeset2.id}</a>` }
+      }));
+      ensureOSMCommunityIndex().then((oci) => {
+        const loc = context.map().center();
+        const validHere = _sharedLocationManager.locationSetsAt(loc);
+        let communities = [];
+        oci.resources.forEach((resource) => {
+          let area = validHere[resource.locationSetID];
+          if (!area)
+            return;
+          const localizer = (stringID) => _t.html(`community.${stringID}`);
+          resource.resolved = resolveStrings(resource, oci.defaults, localizer);
+          communities.push({
+            area,
+            order: resource.order || 0,
+            resource
+          });
+        });
+        communities.sort((a, b) => a.area - b.area || b.order - a.order);
+        body.call(showCommunityLinks, communities.map((c) => c.resource));
+      });
+    }
+    function showCommunityLinks(selection2, resources) {
+      let communityLinks = selection2.append("div").attr("class", "save-communityLinks");
+      communityLinks.append("h3").call(_t.append("success.like_osm"));
+      let table = communityLinks.append("table").attr("class", "community-table");
+      let row = table.selectAll(".community-row").data(resources);
+      let rowEnter = row.enter().append("tr").attr("class", "community-row");
+      rowEnter.append("td").attr("class", "cell-icon community-icon").append("a").attr("target", "_blank").attr("href", (d) => d.resolved.url).append("svg").attr("class", "logo-small").append("use").attr("xlink:href", (d) => `#community-${d.type}`);
+      let communityDetail = rowEnter.append("td").attr("class", "cell-detail community-detail");
+      communityDetail.each(showCommunityDetails);
+      communityLinks.append("div").attr("class", "community-missing").call(_t.append("success.missing")).append("a").attr("class", "link-out").attr("target", "_blank").call(svgIcon("#iD-icon-out-link", "inline")).attr("href", "https://github.com/osmlab/osm-community-index/issues").append("span").call(_t.append("success.tell_us"));
+    }
+    function showCommunityDetails(d) {
+      let selection2 = select_default2(this);
+      let communityID = d.id;
+      selection2.append("div").attr("class", "community-name").html(d.resolved.nameHTML);
+      selection2.append("div").attr("class", "community-description").html(d.resolved.descriptionHTML);
+      if (d.resolved.extendedDescriptionHTML || d.languageCodes && d.languageCodes.length) {
+        selection2.append("div").call(
+          uiDisclosure(context, `community-more-${d.id}`, false).expanded(false).updatePreference(false).label(() => _t.append("success.more")).content(showMore)
+        );
+      }
+      let nextEvents = (d.events || []).map((event) => {
+        event.date = parseEventDate(event.when);
+        return event;
+      }).filter((event) => {
+        const t = event.date.getTime();
+        const now3 = (/* @__PURE__ */ new Date()).setHours(0, 0, 0, 0);
+        return !isNaN(t) && t >= now3;
+      }).sort((a, b) => {
+        return a.date < b.date ? -1 : a.date > b.date ? 1 : 0;
+      }).slice(0, MAXEVENTS);
+      if (nextEvents.length) {
+        selection2.append("div").call(
+          uiDisclosure(context, `community-events-${d.id}`, false).expanded(false).updatePreference(false).label(_t.html("success.events")).content(showNextEvents)
+        ).select(".hide-toggle").append("span").attr("class", "badge-text").text(nextEvents.length);
+      }
+      function showMore(selection3) {
+        let more = selection3.selectAll(".community-more").data([0]);
+        let moreEnter = more.enter().append("div").attr("class", "community-more");
+        if (d.resolved.extendedDescriptionHTML) {
+          moreEnter.append("div").attr("class", "community-extended-description").html(d.resolved.extendedDescriptionHTML);
+        }
+        if (d.languageCodes && d.languageCodes.length) {
+          const languageList = d.languageCodes.map((code) => _mainLocalizer.languageName(code)).join(", ");
+          moreEnter.append("div").attr("class", "community-languages").call(_t.append("success.languages", { languages: languageList }));
+        }
+      }
+      function showNextEvents(selection3) {
+        let events = selection3.append("div").attr("class", "community-events");
+        let item = events.selectAll(".community-event").data(nextEvents);
+        let itemEnter = item.enter().append("div").attr("class", "community-event");
+        itemEnter.append("div").attr("class", "community-event-name").append("a").attr("target", "_blank").attr("href", (d2) => d2.url).text((d2) => {
+          let name = d2.name;
+          if (d2.i18n && d2.id) {
+            name = _t(`community.${communityID}.events.${d2.id}.name`, { default: name });
+          }
+          return name;
+        });
+        itemEnter.append("div").attr("class", "community-event-when").text((d2) => {
+          let options2 = { weekday: "short", day: "numeric", month: "short", year: "numeric" };
+          if (d2.date.getHours() || d2.date.getMinutes()) {
+            options2.hour = "numeric";
+            options2.minute = "numeric";
+          }
+          return d2.date.toLocaleString(_mainLocalizer.localeCode(), options2);
+        });
+        itemEnter.append("div").attr("class", "community-event-where").text((d2) => {
+          let where = d2.where;
+          if (d2.i18n && d2.id) {
+            where = _t(`community.${communityID}.events.${d2.id}.where`, { default: where });
+          }
+          return where;
+        });
+        itemEnter.append("div").attr("class", "community-event-description").text((d2) => {
+          let description = d2.description;
+          if (d2.i18n && d2.id) {
+            description = _t(`community.${communityID}.events.${d2.id}.description`, { default: description });
+          }
+          return description;
+        });
+      }
+    }
+    success.changeset = function(val) {
+      if (!arguments.length)
+        return _changeset2;
+      _changeset2 = val;
+      return success;
+    };
+    success.location = function(val) {
+      if (!arguments.length)
+        return _location;
+      _location = val;
+      return success;
+    };
+    return utilRebind(success, dispatch10, "on");
+  }
+
+  // modules/ui/version.js
+  var sawVersion = null;
+  var isNewVersion = false;
+  var isNewUser = false;
+  function uiVersion(context) {
+    var currVersion = context.version;
+    var matchedVersion = currVersion.match(/\d+\.\d+\.\d+.*/);
+    if (sawVersion === null && matchedVersion !== null) {
+      if (corePreferences("sawVersion")) {
+        isNewUser = false;
+        isNewVersion = corePreferences("sawVersion") !== currVersion && currVersion.indexOf("-") === -1;
+      } else {
+        isNewUser = true;
+        isNewVersion = true;
+      }
+      corePreferences("sawVersion", currVersion);
+      sawVersion = currVersion;
+    }
+    return function(selection2) {
+      selection2.append("a").attr("target", "_blank").attr("href", "https://github.com/openstreetmap/iD").text(currVersion);
+      if (isNewVersion && !isNewUser) {
+        selection2.append("a").attr("class", "badge").attr("target", "_blank").attr("href", "https://github.com/openstreetmap/iD/blob/release/CHANGELOG.md#whats-new").call(svgIcon("#maki-gift")).call(
+          uiTooltip().title(() => _t.append("version.whats_new", { version: currVersion })).placement("top").scrollContainer(context.container().select(".main-footer-wrap"))
+        );
+      }
+    };
+  }
+
+  // modules/ui/zoom.js
+  function uiZoom(context) {
+    var zooms = [{
+      id: "zoom-in",
+      icon: "iD-icon-plus",
+      title: _t.append("zoom.in"),
+      action: zoomIn,
+      disabled: function() {
+        return !context.map().canZoomIn();
+      },
+      disabledTitle: _t.append("zoom.disabled.in"),
+      key: "+"
+    }, {
+      id: "zoom-out",
+      icon: "iD-icon-minus",
+      title: _t.append("zoom.out"),
+      action: zoomOut,
+      disabled: function() {
+        return !context.map().canZoomOut();
+      },
+      disabledTitle: _t.append("zoom.disabled.out"),
+      key: "-"
+    }];
+    function zoomIn(d3_event) {
+      if (d3_event.shiftKey)
+        return;
+      d3_event.preventDefault();
+      context.map().zoomIn();
+    }
+    function zoomOut(d3_event) {
+      if (d3_event.shiftKey)
+        return;
+      d3_event.preventDefault();
+      context.map().zoomOut();
+    }
+    function zoomInFurther(d3_event) {
+      if (d3_event.shiftKey)
+        return;
+      d3_event.preventDefault();
+      context.map().zoomInFurther();
+    }
+    function zoomOutFurther(d3_event) {
+      if (d3_event.shiftKey)
+        return;
+      d3_event.preventDefault();
+      context.map().zoomOutFurther();
+    }
+    return function(selection2) {
+      var tooltipBehavior = uiTooltip().placement(_mainLocalizer.textDirection() === "rtl" ? "right" : "left").title(function(d) {
+        if (d.disabled()) {
+          return d.disabledTitle;
+        }
+        return d.title;
+      }).keys(function(d) {
+        return [d.key];
+      });
+      var lastPointerUpType;
+      var buttons = selection2.selectAll("button").data(zooms).enter().append("button").attr("class", function(d) {
+        return d.id;
+      }).on("pointerup.editor", function(d3_event) {
+        lastPointerUpType = d3_event.pointerType;
+      }).on("click.editor", function(d3_event, d) {
+        if (!d.disabled()) {
+          d.action(d3_event);
+        } else if (lastPointerUpType === "touch" || lastPointerUpType === "pen") {
+          context.ui().flash.duration(2e3).iconName("#" + d.icon).iconClass("disabled").label(d.disabledTitle)();
+        }
+        lastPointerUpType = null;
+      }).call(tooltipBehavior);
+      buttons.each(function(d) {
+        select_default2(this).call(svgIcon("#" + d.icon, "light"));
+      });
+      utilKeybinding.plusKeys.forEach(function(key) {
+        context.keybinding().on([key], zoomIn);
+        context.keybinding().on([uiCmd("\u2325" + key)], zoomInFurther);
+      });
+      utilKeybinding.minusKeys.forEach(function(key) {
+        context.keybinding().on([key], zoomOut);
+        context.keybinding().on([uiCmd("\u2325" + key)], zoomOutFurther);
+      });
+      function updateButtonStates() {
+        buttons.classed("disabled", function(d) {
+          return d.disabled();
+        }).each(function() {
+          var selection3 = select_default2(this);
+          if (!selection3.select(".tooltip.in").empty()) {
+            selection3.call(tooltipBehavior.updateContent);
+          }
+        });
+      }
+      updateButtonStates();
+      context.map().on("move.uiZoom", updateButtonStates);
+    };
+  }
+
+  // modules/ui/sections/raw_tag_editor.js
+  function uiSectionRawTagEditor(id2, context) {
+    var section = uiSection(id2, context).classes("raw-tag-editor").label(function() {
+      var count = Object.keys(_tags).filter(function(d) {
+        return d;
+      }).length;
+      return _t.append("inspector.title_count", { title: _t("inspector.tags"), count });
+    }).expandedByDefault(false).disclosureContent(renderDisclosureContent);
+    var taginfo = services.taginfo;
+    var dispatch10 = dispatch_default("change");
+    var availableViews = [
+      { id: "list", icon: "#fas-th-list" },
+      { id: "text", icon: "#fas-i-cursor" }
+    ];
+    var _tagView = corePreferences("raw-tag-editor-view") || "list";
+    var _readOnlyTags = [];
+    var _orderedKeys = [];
+    var _showBlank = false;
+    var _pendingChange = null;
+    var _state;
+    var _presets;
+    var _tags;
+    var _entityIDs;
+    var _didInteract = false;
+    function interacted() {
+      _didInteract = true;
+    }
+    function renderDisclosureContent(wrap2) {
+      _orderedKeys = _orderedKeys.filter(function(key) {
+        return _tags[key] !== void 0;
+      });
+      var all = Object.keys(_tags).sort();
+      var missingKeys = utilArrayDifference(all, _orderedKeys);
+      for (var i2 in missingKeys) {
+        _orderedKeys.push(missingKeys[i2]);
+      }
+      var rowData = _orderedKeys.map(function(key, i3) {
+        return { index: i3, key, value: _tags[key] };
+      });
+      if (!rowData.length || _showBlank) {
+        _showBlank = false;
+        rowData.push({ index: rowData.length, key: "", value: "" });
+      }
+      var options2 = wrap2.selectAll(".raw-tag-options").data([0]);
+      options2.exit().remove();
+      var optionsEnter = options2.enter().insert("div", ":first-child").attr("class", "raw-tag-options").attr("role", "tablist");
+      var optionEnter = optionsEnter.selectAll(".raw-tag-option").data(availableViews, function(d) {
+        return d.id;
+      }).enter();
+      optionEnter.append("button").attr("class", function(d) {
+        return "raw-tag-option raw-tag-option-" + d.id + (_tagView === d.id ? " selected" : "");
+      }).attr("aria-selected", function(d) {
+        return _tagView === d.id;
+      }).attr("role", "tab").attr("title", function(d) {
+        return _t("icons." + d.id);
+      }).on("click", function(d3_event, d) {
+        _tagView = d.id;
+        corePreferences("raw-tag-editor-view", d.id);
+        wrap2.selectAll(".raw-tag-option").classed("selected", function(datum2) {
+          return datum2 === d;
+        }).attr("aria-selected", function(datum2) {
+          return datum2 === d;
+        });
+        wrap2.selectAll(".tag-text").classed("hide", d.id !== "text").each(setTextareaHeight);
+        wrap2.selectAll(".tag-list, .add-row").classed("hide", d.id !== "list");
+      }).each(function(d) {
+        select_default2(this).call(svgIcon(d.icon));
+      });
+      var textData = rowsToText(rowData);
+      var textarea = wrap2.selectAll(".tag-text").data([0]);
+      textarea = textarea.enter().append("textarea").attr("class", "tag-text" + (_tagView !== "text" ? " hide" : "")).call(utilNoAuto).attr("placeholder", _t("inspector.key_value")).attr("spellcheck", "false").merge(textarea);
+      textarea.call(utilGetSetValue, textData).each(setTextareaHeight).on("input", setTextareaHeight).on("focus", interacted).on("blur", textChanged).on("change", textChanged);
+      var list = wrap2.selectAll(".tag-list").data([0]);
+      list = list.enter().append("ul").attr("class", "tag-list" + (_tagView !== "list" ? " hide" : "")).merge(list);
+      var addRowEnter = wrap2.selectAll(".add-row").data([0]).enter().append("div").attr("class", "add-row" + (_tagView !== "list" ? " hide" : ""));
+      addRowEnter.append("button").attr("class", "add-tag").attr("aria-label", _t("inspector.add_to_tag")).call(svgIcon("#iD-icon-plus", "light")).call(uiTooltip().title(() => _t.append("inspector.add_to_tag")).placement(_mainLocalizer.textDirection() === "ltr" ? "right" : "left")).on("click", addTag);
+      addRowEnter.append("div").attr("class", "space-value");
+      addRowEnter.append("div").attr("class", "space-buttons");
+      var items = list.selectAll(".tag-row").data(rowData, function(d) {
+        return d.key;
+      });
+      items.exit().each(unbind).remove();
+      var itemsEnter = items.enter().append("li").attr("class", "tag-row").classed("readonly", isReadOnly);
+      var innerWrap = itemsEnter.append("div").attr("class", "inner-wrap");
+      innerWrap.append("div").attr("class", "key-wrap").append("input").property("type", "text").attr("class", "key").call(utilNoAuto).on("focus", interacted).on("blur", keyChange).on("change", keyChange);
+      innerWrap.append("div").attr("class", "value-wrap").append("input").property("type", "text").attr("class", "value").call(utilNoAuto).on("focus", interacted).on("blur", valueChange).on("change", valueChange).on("keydown.push-more", pushMore);
+      innerWrap.append("button").attr("class", "form-field-button remove").attr("title", _t("icons.remove")).call(svgIcon("#iD-operation-delete"));
+      items = items.merge(itemsEnter).sort(function(a, b) {
+        return a.index - b.index;
+      });
+      items.each(function(d) {
+        var row = select_default2(this);
+        var key = row.select("input.key");
+        var value = row.select("input.value");
+        if (_entityIDs && taginfo && _state !== "hover") {
+          bindTypeahead(key, value);
+        }
+        var referenceOptions = { key: d.key };
+        if (typeof d.value === "string") {
+          referenceOptions.value = d.value;
+        }
+        var reference = uiTagReference(referenceOptions, context);
+        if (_state === "hover") {
+          reference.showing(false);
+        }
+        row.select(".inner-wrap").call(reference.button);
+        row.call(reference.body);
+        row.select("button.remove");
+      });
+      items.selectAll("input.key").attr("title", function(d) {
+        return d.key;
+      }).call(utilGetSetValue, function(d) {
+        return d.key;
+      }).attr("readonly", function(d) {
+        return isReadOnly(d) || null;
+      });
+      items.selectAll("input.value").attr("title", function(d) {
+        return Array.isArray(d.value) ? d.value.filter(Boolean).join("\n") : d.value;
+      }).classed("mixed", function(d) {
+        return Array.isArray(d.value);
+      }).attr("placeholder", function(d) {
+        return typeof d.value === "string" ? null : _t("inspector.multiple_values");
+      }).call(utilGetSetValue, function(d) {
+        return typeof d.value === "string" ? d.value : "";
+      }).attr("readonly", function(d) {
+        return isReadOnly(d) || null;
+      });
+      items.selectAll("button.remove").on(("PointerEvent" in window ? "pointer" : "mouse") + "down", removeTag);
+    }
+    function isReadOnly(d) {
+      for (var i2 = 0; i2 < _readOnlyTags.length; i2++) {
+        if (d.key.match(_readOnlyTags[i2]) !== null) {
+          return true;
+        }
+      }
+      return false;
+    }
+    function setTextareaHeight() {
+      if (_tagView !== "text")
+        return;
+      var selection2 = select_default2(this);
+      var matches = selection2.node().value.match(/\n/g);
+      var lineCount = 2 + Number(matches && matches.length);
+      var lineHeight = 20;
+      selection2.style("height", lineCount * lineHeight + "px");
+    }
+    function stringify3(s) {
+      return JSON.stringify(s).slice(1, -1);
+    }
+    function unstringify(s) {
+      var leading = "";
+      var trailing = "";
+      if (s.length < 1 || s.charAt(0) !== '"') {
+        leading = '"';
+      }
+      if (s.length < 2 || s.charAt(s.length - 1) !== '"' || s.charAt(s.length - 1) === '"' && s.charAt(s.length - 2) === "\\") {
+        trailing = '"';
+      }
+      return JSON.parse(leading + s + trailing);
+    }
+    function rowsToText(rows) {
+      var str2 = rows.filter(function(row) {
+        return row.key && row.key.trim() !== "";
+      }).map(function(row) {
+        var rawVal = row.value;
+        if (typeof rawVal !== "string")
+          rawVal = "*";
+        var val = rawVal ? stringify3(rawVal) : "";
+        return stringify3(row.key) + "=" + val;
+      }).join("\n");
+      if (_state !== "hover" && str2.length) {
+        return str2 + "\n";
+      }
+      return str2;
+    }
+    function textChanged() {
+      var newText = this.value.trim();
+      var newTags = {};
+      newText.split("\n").forEach(function(row) {
+        var m = row.match(/^\s*([^=]+)=(.*)$/);
+        if (m !== null) {
+          var k = context.cleanTagKey(unstringify(m[1].trim()));
+          var v = context.cleanTagValue(unstringify(m[2].trim()));
+          newTags[k] = v;
+        }
+      });
+      var tagDiff = utilTagDiff(_tags, newTags);
+      if (!tagDiff.length)
+        return;
+      _pendingChange = _pendingChange || {};
+      tagDiff.forEach(function(change) {
+        if (isReadOnly({ key: change.key }))
+          return;
+        if (change.newVal === "*" && typeof change.oldVal !== "string")
+          return;
+        if (change.type === "-") {
+          _pendingChange[change.key] = void 0;
+        } else if (change.type === "+") {
+          _pendingChange[change.key] = change.newVal || "";
+        }
+      });
+      if (Object.keys(_pendingChange).length === 0) {
+        _pendingChange = null;
+        return;
+      }
+      scheduleChange();
+    }
+    function pushMore(d3_event) {
+      if (d3_event.keyCode === 9 && !d3_event.shiftKey && section.selection().selectAll(".tag-list li:last-child input.value").node() === this && utilGetSetValue(select_default2(this))) {
+        addTag();
+      }
+    }
+    function bindTypeahead(key, value) {
+      if (isReadOnly(key.datum()))
+        return;
+      if (Array.isArray(value.datum().value)) {
+        value.call(uiCombobox(context, "tag-value").minItems(1).fetcher(function(value2, callback) {
+          var keyString = utilGetSetValue(key);
+          if (!_tags[keyString])
+            return;
+          var data = _tags[keyString].filter(Boolean).map(function(tagValue) {
+            return {
+              value: tagValue,
+              title: tagValue
+            };
+          });
+          callback(data);
+        }));
+        return;
+      }
+      var geometry = context.graph().geometry(_entityIDs[0]);
+      key.call(uiCombobox(context, "tag-key").fetcher(function(value2, callback) {
+        taginfo.keys({
+          debounce: true,
+          geometry,
+          query: value2
+        }, function(err, data) {
+          if (!err) {
+            const filtered = data.filter((d) => _tags[d.value] === void 0).filter((d) => d.value.toLowerCase().includes(value2.toLowerCase()));
+            callback(sort(value2, filtered));
+          }
+        });
+      }));
+      value.call(uiCombobox(context, "tag-value").fetcher(function(value2, callback) {
+        taginfo.values({
+          debounce: true,
+          key: utilGetSetValue(key),
+          geometry,
+          query: value2
+        }, function(err, data) {
+          if (!err) {
+            const filtered = data.filter((d) => d.value.toLowerCase().includes(value2.toLowerCase()));
+            callback(sort(value2, filtered));
+          }
+        });
+      }).caseSensitive(allowUpperCaseTagValues.test(utilGetSetValue(key))));
+      function sort(value2, data) {
+        var sameletter = [];
+        var other = [];
+        for (var i2 = 0; i2 < data.length; i2++) {
+          if (data[i2].value.substring(0, value2.length) === value2) {
+            sameletter.push(data[i2]);
+          } else {
+            other.push(data[i2]);
+          }
+        }
+        return sameletter.concat(other);
+      }
+    }
+    function unbind() {
+      var row = select_default2(this);
+      row.selectAll("input.key").call(uiCombobox.off, context);
+      row.selectAll("input.value").call(uiCombobox.off, context);
+    }
+    function keyChange(d3_event, d) {
+      if (select_default2(this).attr("readonly"))
+        return;
+      var kOld = d.key;
+      if (_pendingChange && _pendingChange.hasOwnProperty(kOld) && _pendingChange[kOld] === void 0)
+        return;
+      var kNew = context.cleanTagKey(this.value.trim());
+      if (isReadOnly({ key: kNew })) {
+        this.value = kOld;
+        return;
+      }
+      if (kNew && kNew !== kOld && _tags[kNew] !== void 0) {
+        this.value = kOld;
+        section.selection().selectAll(".tag-list input.value").each(function(d2) {
+          if (d2.key === kNew) {
+            var input = select_default2(this).node();
+            input.focus();
+            input.select();
+          }
+        });
+        return;
+      }
+      _pendingChange = _pendingChange || {};
+      if (kOld) {
+        if (kOld === kNew)
+          return;
+        _pendingChange[kNew] = _pendingChange[kOld] || { oldKey: kOld };
+        _pendingChange[kOld] = void 0;
+      } else {
+        let row = this.parentNode.parentNode;
+        let inputVal = select_default2(row).selectAll("input.value");
+        let vNew = context.cleanTagValue(utilGetSetValue(inputVal));
+        _pendingChange[kNew] = vNew;
+        utilGetSetValue(inputVal, vNew);
+      }
+      var existingKeyIndex = _orderedKeys.indexOf(kOld);
+      if (existingKeyIndex !== -1)
+        _orderedKeys[existingKeyIndex] = kNew;
+      d.key = kNew;
+      this.value = kNew;
+      scheduleChange();
+    }
+    function valueChange(d3_event, d) {
+      if (isReadOnly(d))
+        return;
+      if (typeof d.value !== "string" && !this.value)
+        return;
+      if (_pendingChange && _pendingChange.hasOwnProperty(d.key) && _pendingChange[d.key] === void 0)
+        return;
+      _pendingChange = _pendingChange || {};
+      _pendingChange[d.key] = context.cleanTagValue(this.value);
+      scheduleChange();
+    }
+    function removeTag(d3_event, d) {
+      if (isReadOnly(d))
+        return;
+      if (d.key === "") {
+        _showBlank = false;
+        section.reRender();
+      } else {
+        _orderedKeys = _orderedKeys.filter(function(key) {
+          return key !== d.key;
+        });
+        _pendingChange = _pendingChange || {};
+        _pendingChange[d.key] = void 0;
+        scheduleChange();
+      }
+    }
+    function addTag() {
+      window.setTimeout(function() {
+        _showBlank = true;
+        section.reRender();
+        section.selection().selectAll(".tag-list li:last-child input.key").node().focus();
+      }, 20);
+    }
+    function scheduleChange() {
+      var entityIDs = _entityIDs;
+      window.setTimeout(function() {
+        if (!_pendingChange)
+          return;
+        dispatch10.call("change", this, entityIDs, _pendingChange);
+        _pendingChange = null;
+      }, 10);
+    }
+    section.state = function(val) {
+      if (!arguments.length)
+        return _state;
+      if (_state !== val) {
+        _orderedKeys = [];
+        _state = val;
+      }
+      return section;
+    };
+    section.presets = function(val) {
+      if (!arguments.length)
+        return _presets;
+      _presets = val;
+      if (_presets && _presets.length && _presets[0].isFallback()) {
+        section.disclosureExpanded(true);
+      } else if (!_didInteract) {
+        section.disclosureExpanded(null);
+      }
+      return section;
+    };
+    section.tags = function(val) {
+      if (!arguments.length)
+        return _tags;
+      _tags = val;
+      return section;
+    };
+    section.entityIDs = function(val) {
+      if (!arguments.length)
+        return _entityIDs;
+      if (!_entityIDs || !val || !utilArrayIdentical(_entityIDs, val)) {
+        _entityIDs = val;
+        _orderedKeys = [];
+      }
+      return section;
+    };
+    section.readOnlyTags = function(val) {
+      if (!arguments.length)
+        return _readOnlyTags;
+      _readOnlyTags = val;
+      return section;
+    };
+    return utilRebind(section, dispatch10, "on");
+  }
+
+  // modules/ui/data_editor.js
+  function uiDataEditor(context) {
+    var dataHeader = uiDataHeader();
+    var rawTagEditor = uiSectionRawTagEditor("custom-data-tag-editor", context).expandedByDefault(true).readOnlyTags([/./]);
+    var _datum;
+    function dataEditor(selection2) {
+      var header = selection2.selectAll(".header").data([0]);
+      var headerEnter = header.enter().append("div").attr("class", "header fillL");
+      headerEnter.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", function() {
+        context.enter(modeBrowse(context));
+      }).call(svgIcon("#iD-icon-close"));
+      headerEnter.append("h2").call(_t.append("map_data.title"));
+      var body = selection2.selectAll(".body").data([0]);
+      body = body.enter().append("div").attr("class", "body").merge(body);
+      var editor = body.selectAll(".data-editor").data([0]);
+      editor.enter().append("div").attr("class", "modal-section data-editor").merge(editor).call(dataHeader.datum(_datum));
+      var rte = body.selectAll(".raw-tag-editor").data([0]);
+      rte.enter().append("div").attr("class", "raw-tag-editor data-editor").merge(rte).call(
+        rawTagEditor.tags(_datum && _datum.properties || {}).state("hover").render
+      ).selectAll("textarea.tag-text").attr("readonly", true).classed("readonly", true);
+    }
+    dataEditor.datum = function(val) {
+      if (!arguments.length)
+        return _datum;
+      _datum = val;
+      return this;
+    };
+    return dataEditor;
+  }
+
+  // modules/ui/osmose_details.js
+  function uiOsmoseDetails(context) {
+    let _qaItem;
+    function issueString(d, type2) {
+      if (!d)
+        return "";
+      const s = services.osmose.getStrings(d.itemType);
+      return type2 in s ? s[type2] : "";
+    }
+    function osmoseDetails(selection2) {
+      const details = selection2.selectAll(".error-details").data(
+        _qaItem ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      details.exit().remove();
+      const detailsEnter = details.enter().append("div").attr("class", "error-details qa-details-container");
+      if (issueString(_qaItem, "detail")) {
+        const div = detailsEnter.append("div").attr("class", "qa-details-subsection");
+        div.append("h4").call(_t.append("QA.keepRight.detail_description"));
+        div.append("p").attr("class", "qa-details-description-text").html((d) => issueString(d, "detail")).selectAll("a").attr("rel", "noopener").attr("target", "_blank");
+      }
+      const detailsDiv = detailsEnter.append("div").attr("class", "qa-details-subsection");
+      const elemsDiv = detailsEnter.append("div").attr("class", "qa-details-subsection");
+      if (issueString(_qaItem, "fix")) {
+        const div = detailsEnter.append("div").attr("class", "qa-details-subsection");
+        div.append("h4").call(_t.append("QA.osmose.fix_title"));
+        div.append("p").html((d) => issueString(d, "fix")).selectAll("a").attr("rel", "noopener").attr("target", "_blank");
+      }
+      if (issueString(_qaItem, "trap")) {
+        const div = detailsEnter.append("div").attr("class", "qa-details-subsection");
+        div.append("h4").call(_t.append("QA.osmose.trap_title"));
+        div.append("p").html((d) => issueString(d, "trap")).selectAll("a").attr("rel", "noopener").attr("target", "_blank");
+      }
+      const thisItem = _qaItem;
+      services.osmose.loadIssueDetail(_qaItem).then((d) => {
+        if (!d.elems || d.elems.length === 0)
+          return;
+        if (context.selectedErrorID() !== thisItem.id && context.container().selectAll(`.qaItem.osmose.hover.itemId-${thisItem.id}`).empty())
+          return;
+        if (d.detail) {
+          detailsDiv.append("h4").call(_t.append("QA.osmose.detail_title"));
+          detailsDiv.append("p").html((d2) => d2.detail).selectAll("a").attr("rel", "noopener").attr("target", "_blank");
+        }
+        elemsDiv.append("h4").call(_t.append("QA.osmose.elems_title"));
+        elemsDiv.append("ul").selectAll("li").data(d.elems).enter().append("li").append("a").attr("href", "#").attr("class", "error_entity_link").text((d2) => d2).each(function() {
+          const link2 = select_default2(this);
+          const entityID = this.textContent;
+          const entity = context.hasEntity(entityID);
+          link2.on("mouseenter", () => {
+            utilHighlightEntities([entityID], true, context);
+          }).on("mouseleave", () => {
+            utilHighlightEntities([entityID], false, context);
+          }).on("click", (d3_event) => {
+            d3_event.preventDefault();
+            utilHighlightEntities([entityID], false, context);
+            const osmlayer = context.layers().layer("osm");
+            if (!osmlayer.enabled()) {
+              osmlayer.enabled(true);
+            }
+            context.map().centerZoom(d.loc, 20);
+            if (entity) {
+              context.enter(modeSelect(context, [entityID]));
+            } else {
+              context.loadEntity(entityID, (err, result) => {
+                if (err)
+                  return;
+                const entity2 = result.data.find((e) => e.id === entityID);
+                if (entity2)
+                  context.enter(modeSelect(context, [entityID]));
+              });
+            }
+          });
+          if (entity) {
+            let name = utilDisplayName(entity);
+            if (!name) {
+              const preset = _mainPresetIndex.match(entity, context.graph());
+              name = preset && !preset.isFallback() && preset.name();
+            }
+            if (name) {
+              this.innerText = name;
+            }
+          }
+        });
+        context.features().forceVisible(d.elems);
+        context.map().pan([0, 0]);
+      }).catch((err) => {
+        console.log(err);
+      });
+    }
+    osmoseDetails.issue = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return osmoseDetails;
+    };
+    return osmoseDetails;
+  }
+
+  // modules/ui/osmose_header.js
+  function uiOsmoseHeader() {
+    let _qaItem;
+    function issueTitle(d) {
+      const unknown = _t("inspector.unknown");
+      if (!d)
+        return unknown;
+      const s = services.osmose.getStrings(d.itemType);
+      return "title" in s ? s.title : unknown;
+    }
+    function osmoseHeader(selection2) {
+      const header = selection2.selectAll(".qa-header").data(
+        _qaItem ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      header.exit().remove();
+      const headerEnter = header.enter().append("div").attr("class", "qa-header");
+      const svgEnter = headerEnter.append("div").attr("class", "qa-header-icon").classed("new", (d) => d.id < 0).append("svg").attr("width", "20px").attr("height", "30px").attr("viewbox", "0 0 20 30").attr("class", (d) => `preset-icon-28 qaItem ${d.service} itemId-${d.id} itemType-${d.itemType}`);
+      svgEnter.append("polygon").attr("fill", (d) => services.osmose.getColor(d.item)).attr("class", "qaItem-fill").attr("points", "16,3 4,3 1,6 1,17 4,20 7,20 10,27 13,20 16,20 19,17.033 19,6");
+      svgEnter.append("use").attr("class", "icon-annotation").attr("width", "12px").attr("height", "12px").attr("transform", "translate(4, 5.5)").attr("xlink:href", (d) => d.icon ? "#" + d.icon : "");
+      headerEnter.append("div").attr("class", "qa-header-label").text(issueTitle);
+    }
+    osmoseHeader.issue = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return osmoseHeader;
+    };
+    return osmoseHeader;
+  }
+
+  // modules/ui/view_on_osmose.js
+  function uiViewOnOsmose() {
+    let _qaItem;
+    function viewOnOsmose(selection2) {
+      let url;
+      if (services.osmose && _qaItem instanceof QAItem) {
+        url = services.osmose.itemURL(_qaItem);
+      }
+      const link2 = selection2.selectAll(".view-on-osmose").data(url ? [url] : []);
+      link2.exit().remove();
+      const linkEnter = link2.enter().append("a").attr("class", "view-on-osmose").attr("target", "_blank").attr("rel", "noopener").attr("href", (d) => d).call(svgIcon("#iD-icon-out-link", "inline"));
+      linkEnter.append("span").call(_t.append("inspector.view_on_osmose"));
+    }
+    viewOnOsmose.what = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return viewOnOsmose;
+    };
+    return viewOnOsmose;
+  }
+
+  // modules/ui/osmose_editor.js
+  function uiOsmoseEditor(context) {
+    const dispatch10 = dispatch_default("change");
+    const qaDetails = uiOsmoseDetails(context);
+    const qaHeader = uiOsmoseHeader(context);
+    let _qaItem;
+    function osmoseEditor(selection2) {
+      const header = selection2.selectAll(".header").data([0]);
+      const headerEnter = header.enter().append("div").attr("class", "header fillL");
+      headerEnter.append("button").attr("class", "close").attr("title", _t("icons.close")).on("click", () => context.enter(modeBrowse(context))).call(svgIcon("#iD-icon-close"));
+      headerEnter.append("h2").call(_t.append("QA.osmose.title"));
+      let body = selection2.selectAll(".body").data([0]);
+      body = body.enter().append("div").attr("class", "body").merge(body);
+      let editor = body.selectAll(".qa-editor").data([0]);
+      editor.enter().append("div").attr("class", "modal-section qa-editor").merge(editor).call(qaHeader.issue(_qaItem)).call(qaDetails.issue(_qaItem)).call(osmoseSaveSection);
+      const footer = selection2.selectAll(".footer").data([0]);
+      footer.enter().append("div").attr("class", "footer").merge(footer).call(uiViewOnOsmose(context).what(_qaItem));
+    }
+    function osmoseSaveSection(selection2) {
+      const isSelected = _qaItem && _qaItem.id === context.selectedErrorID();
+      const isShown = _qaItem && isSelected;
+      let saveSection = selection2.selectAll(".qa-save").data(
+        isShown ? [_qaItem] : [],
+        (d) => `${d.id}-${d.status || 0}`
+      );
+      saveSection.exit().remove();
+      const saveSectionEnter = saveSection.enter().append("div").attr("class", "qa-save save-section cf");
+      saveSection = saveSectionEnter.merge(saveSection).call(qaSaveButtons);
+    }
+    function qaSaveButtons(selection2) {
+      const isSelected = _qaItem && _qaItem.id === context.selectedErrorID();
+      let buttonSection = selection2.selectAll(".buttons").data(isSelected ? [_qaItem] : [], (d) => d.status + d.id);
+      buttonSection.exit().remove();
+      const buttonEnter = buttonSection.enter().append("div").attr("class", "buttons");
+      buttonEnter.append("button").attr("class", "button close-button action");
+      buttonEnter.append("button").attr("class", "button ignore-button action");
+      buttonSection = buttonSection.merge(buttonEnter);
+      buttonSection.select(".close-button").call(_t.append("QA.keepRight.close")).on("click.close", function(d3_event, d) {
+        this.blur();
+        const qaService = services.osmose;
+        if (qaService) {
+          d.newStatus = "done";
+          qaService.postUpdate(d, (err, item) => dispatch10.call("change", item));
+        }
+      });
+      buttonSection.select(".ignore-button").call(_t.append("QA.keepRight.ignore")).on("click.ignore", function(d3_event, d) {
+        this.blur();
+        const qaService = services.osmose;
+        if (qaService) {
+          d.newStatus = "false";
+          qaService.postUpdate(d, (err, item) => dispatch10.call("change", item));
+        }
+      });
+    }
+    osmoseEditor.error = function(val) {
+      if (!arguments.length)
+        return _qaItem;
+      _qaItem = val;
+      return osmoseEditor;
+    };
+    return utilRebind(osmoseEditor, dispatch10, "on");
+  }
+
+  // modules/ui/sidebar.js
+  function uiSidebar(context) {
+    var inspector = uiInspector(context);
+    var dataEditor = uiDataEditor(context);
+    var noteEditor = uiNoteEditor(context);
+    var improveOsmEditor = uiImproveOsmEditor(context);
+    var keepRightEditor = uiKeepRightEditor(context);
+    var osmoseEditor = uiOsmoseEditor(context);
+    var _current;
+    var _wasData = false;
+    var _wasNote = false;
+    var _wasQaItem = false;
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    function sidebar(selection2) {
+      var container = context.container();
+      var minWidth = 240;
+      var sidebarWidth;
+      var containerWidth;
+      var dragOffset;
+      selection2.style("min-width", minWidth + "px").style("max-width", "400px").style("width", "33.3333%");
+      var resizer = selection2.append("div").attr("class", "sidebar-resizer").on(_pointerPrefix + "down.sidebar-resizer", pointerdown);
+      var downPointerId, lastClientX, containerLocGetter;
+      function pointerdown(d3_event) {
+        if (downPointerId)
+          return;
+        if ("button" in d3_event && d3_event.button !== 0)
+          return;
+        downPointerId = d3_event.pointerId || "mouse";
+        lastClientX = d3_event.clientX;
+        containerLocGetter = utilFastMouse(container.node());
+        dragOffset = utilFastMouse(resizer.node())(d3_event)[0] - 1;
+        sidebarWidth = selection2.node().getBoundingClientRect().width;
+        containerWidth = container.node().getBoundingClientRect().width;
+        var widthPct = sidebarWidth / containerWidth * 100;
+        selection2.style("width", widthPct + "%").style("max-width", "85%");
+        resizer.classed("dragging", true);
+        select_default2(window).on("touchmove.sidebar-resizer", function(d3_event2) {
+          d3_event2.preventDefault();
+        }, { passive: false }).on(_pointerPrefix + "move.sidebar-resizer", pointermove).on(_pointerPrefix + "up.sidebar-resizer pointercancel.sidebar-resizer", pointerup);
+      }
+      function pointermove(d3_event) {
+        if (downPointerId !== (d3_event.pointerId || "mouse"))
+          return;
+        d3_event.preventDefault();
+        var dx = d3_event.clientX - lastClientX;
+        lastClientX = d3_event.clientX;
+        var isRTL = _mainLocalizer.textDirection() === "rtl";
+        var scaleX = isRTL ? 0 : 1;
+        var xMarginProperty = isRTL ? "margin-right" : "margin-left";
+        var x = containerLocGetter(d3_event)[0] - dragOffset;
+        sidebarWidth = isRTL ? containerWidth - x : x;
+        var isCollapsed = selection2.classed("collapsed");
+        var shouldCollapse = sidebarWidth < minWidth;
+        selection2.classed("collapsed", shouldCollapse);
+        if (shouldCollapse) {
+          if (!isCollapsed) {
+            selection2.style(xMarginProperty, "-400px").style("width", "400px");
+            context.ui().onResize([(sidebarWidth - dx) * scaleX, 0]);
+          }
+        } else {
+          var widthPct = sidebarWidth / containerWidth * 100;
+          selection2.style(xMarginProperty, null).style("width", widthPct + "%");
+          if (isCollapsed) {
+            context.ui().onResize([-sidebarWidth * scaleX, 0]);
+          } else {
+            context.ui().onResize([-dx * scaleX, 0]);
+          }
+        }
+      }
+      function pointerup(d3_event) {
+        if (downPointerId !== (d3_event.pointerId || "mouse"))
+          return;
+        downPointerId = null;
+        resizer.classed("dragging", false);
+        select_default2(window).on("touchmove.sidebar-resizer", null).on(_pointerPrefix + "move.sidebar-resizer", null).on(_pointerPrefix + "up.sidebar-resizer pointercancel.sidebar-resizer", null);
+      }
+      var featureListWrap = selection2.append("div").attr("class", "feature-list-pane").call(uiFeatureList(context));
+      var inspectorWrap = selection2.append("div").attr("class", "inspector-hidden inspector-wrap");
+      var hoverModeSelect = function(targets) {
+        context.container().selectAll(".feature-list-item button").classed("hover", false);
+        if (context.selectedIDs().length > 1 && targets && targets.length) {
+          var elements = context.container().selectAll(".feature-list-item button").filter(function(node) {
+            return targets.indexOf(node) !== -1;
+          });
+          if (!elements.empty()) {
+            elements.classed("hover", true);
+          }
+        }
+      };
+      sidebar.hoverModeSelect = throttle_default(hoverModeSelect, 200);
+      function hover(targets) {
+        var datum2 = targets && targets.length && targets[0];
+        if (datum2 && datum2.__featurehash__) {
+          _wasData = true;
+          sidebar.show(dataEditor.datum(datum2));
+          selection2.selectAll(".sidebar-component").classed("inspector-hover", true);
+        } else if (datum2 instanceof osmNote) {
+          if (context.mode().id === "drag-note")
+            return;
+          _wasNote = true;
+          var osm = services.osm;
+          if (osm) {
+            datum2 = osm.getNote(datum2.id);
+          }
+          sidebar.show(noteEditor.note(datum2));
+          selection2.selectAll(".sidebar-component").classed("inspector-hover", true);
+        } else if (datum2 instanceof QAItem) {
+          _wasQaItem = true;
+          var errService = services[datum2.service];
+          if (errService) {
+            datum2 = errService.getError(datum2.id);
+          }
+          var errEditor;
+          if (datum2.service === "keepRight") {
+            errEditor = keepRightEditor;
+          } else if (datum2.service === "osmose") {
+            errEditor = osmoseEditor;
+          } else {
+            errEditor = improveOsmEditor;
+          }
+          context.container().selectAll(".qaItem." + datum2.service).classed("hover", function(d) {
+            return d.id === datum2.id;
+          });
+          sidebar.show(errEditor.error(datum2));
+          selection2.selectAll(".sidebar-component").classed("inspector-hover", true);
+        } else if (!_current && datum2 instanceof osmEntity) {
+          featureListWrap.classed("inspector-hidden", true);
+          inspectorWrap.classed("inspector-hidden", false).classed("inspector-hover", true);
+          if (!inspector.entityIDs() || !utilArrayIdentical(inspector.entityIDs(), [datum2.id]) || inspector.state() !== "hover") {
+            inspector.state("hover").entityIDs([datum2.id]).newFeature(false);
+            inspectorWrap.call(inspector);
+          }
+        } else if (!_current) {
+          featureListWrap.classed("inspector-hidden", false);
+          inspectorWrap.classed("inspector-hidden", true);
+          inspector.state("hide");
+        } else if (_wasData || _wasNote || _wasQaItem) {
+          _wasNote = false;
+          _wasData = false;
+          _wasQaItem = false;
+          context.container().selectAll(".note").classed("hover", false);
+          context.container().selectAll(".qaItem").classed("hover", false);
+          sidebar.hide();
+        }
+      }
+      sidebar.hover = throttle_default(hover, 200);
+      sidebar.intersects = function(extent) {
+        var rect = selection2.node().getBoundingClientRect();
+        return extent.intersects([
+          context.projection.invert([0, rect.height]),
+          context.projection.invert([rect.width, 0])
+        ]);
+      };
+      sidebar.select = function(ids, newFeature) {
+        sidebar.hide();
+        if (ids && ids.length) {
+          var entity = ids.length === 1 && context.entity(ids[0]);
+          if (entity && newFeature && selection2.classed("collapsed")) {
+            var extent = entity.extent(context.graph());
+            sidebar.expand(sidebar.intersects(extent));
+          }
+          featureListWrap.classed("inspector-hidden", true);
+          inspectorWrap.classed("inspector-hidden", false).classed("inspector-hover", false);
+          inspector.state("select").entityIDs(ids).newFeature(newFeature);
+          inspectorWrap.call(inspector);
+        } else {
+          inspector.state("hide");
+        }
+      };
+      sidebar.showPresetList = function() {
+        inspector.showList();
+      };
+      sidebar.show = function(component, element) {
+        featureListWrap.classed("inspector-hidden", true);
+        inspectorWrap.classed("inspector-hidden", true);
+        if (_current)
+          _current.remove();
+        _current = selection2.append("div").attr("class", "sidebar-component").call(component, element);
+      };
+      sidebar.hide = function() {
+        featureListWrap.classed("inspector-hidden", false);
+        inspectorWrap.classed("inspector-hidden", true);
+        if (_current)
+          _current.remove();
+        _current = null;
+      };
+      sidebar.expand = function(moveMap) {
+        if (selection2.classed("collapsed")) {
+          sidebar.toggle(moveMap);
+        }
+      };
+      sidebar.collapse = function(moveMap) {
+        if (!selection2.classed("collapsed")) {
+          sidebar.toggle(moveMap);
+        }
+      };
+      sidebar.toggle = function(moveMap) {
+        if (context.inIntro())
+          return;
+        var isCollapsed = selection2.classed("collapsed");
+        var isCollapsing = !isCollapsed;
+        var isRTL = _mainLocalizer.textDirection() === "rtl";
+        var scaleX = isRTL ? 0 : 1;
+        var xMarginProperty = isRTL ? "margin-right" : "margin-left";
+        sidebarWidth = selection2.node().getBoundingClientRect().width;
+        selection2.style("width", sidebarWidth + "px");
+        var startMargin, endMargin, lastMargin;
+        if (isCollapsing) {
+          startMargin = lastMargin = 0;
+          endMargin = -sidebarWidth;
+        } else {
+          startMargin = lastMargin = -sidebarWidth;
+          endMargin = 0;
+        }
+        if (!isCollapsing) {
+          selection2.classed("collapsed", isCollapsing);
+        }
+        selection2.transition().style(xMarginProperty, endMargin + "px").tween("panner", function() {
+          var i2 = number_default(startMargin, endMargin);
+          return function(t) {
+            var dx = lastMargin - Math.round(i2(t));
+            lastMargin = lastMargin - dx;
+            context.ui().onResize(moveMap ? void 0 : [dx * scaleX, 0]);
+          };
+        }).on("end", function() {
+          if (isCollapsing) {
+            selection2.classed("collapsed", isCollapsing);
+          }
+          if (!isCollapsing) {
+            var containerWidth2 = container.node().getBoundingClientRect().width;
+            var widthPct = sidebarWidth / containerWidth2 * 100;
+            selection2.style(xMarginProperty, null).style("width", widthPct + "%");
+          }
+        });
+      };
+      resizer.on("dblclick", function(d3_event) {
+        d3_event.preventDefault();
+        if (d3_event.sourceEvent) {
+          d3_event.sourceEvent.preventDefault();
+        }
+        sidebar.toggle();
+      });
+      context.map().on("crossEditableZoom.sidebar", function(within) {
+        if (!within && !selection2.select(".inspector-hover").empty()) {
+          hover([]);
+        }
+      });
+    }
+    sidebar.showPresetList = function() {
+    };
+    sidebar.hover = function() {
+    };
+    sidebar.hover.cancel = function() {
+    };
+    sidebar.intersects = function() {
+    };
+    sidebar.select = function() {
+    };
+    sidebar.show = function() {
+    };
+    sidebar.hide = function() {
+    };
+    sidebar.expand = function() {
+    };
+    sidebar.collapse = function() {
+    };
+    sidebar.toggle = function() {
+    };
+    return sidebar;
+  }
+
+  // modules/modes/draw_area.js
+  function modeDrawArea(context, wayID, startGraph, button) {
+    var mode = {
+      button,
+      id: "draw-area"
+    };
+    var behavior = behaviorDrawWay(context, wayID, mode, startGraph).on("rejectedSelfIntersection.modeDrawArea", function() {
+      context.ui().flash.iconName("#iD-icon-no").label(_t.append("self_intersection.error.areas"))();
+    });
+    mode.wayID = wayID;
+    mode.enter = function() {
+      context.install(behavior);
+    };
+    mode.exit = function() {
+      context.uninstall(behavior);
+    };
+    mode.selectedIDs = function() {
+      return [wayID];
+    };
+    mode.activeID = function() {
+      return behavior && behavior.activeID() || [];
+    };
+    return mode;
+  }
+
+  // modules/modes/add_area.js
+  function modeAddArea(context, mode) {
+    mode.id = "add-area";
+    var behavior = behaviorAddWay(context).on("start", start2).on("startFromWay", startFromWay).on("startFromNode", startFromNode);
+    function defaultTags(loc) {
+      var defaultTags2 = { area: "yes" };
+      if (mode.preset)
+        defaultTags2 = mode.preset.setTags(defaultTags2, "area", false, loc);
+      return defaultTags2;
+    }
+    function actionClose(wayId) {
+      return function(graph) {
+        return graph.replace(graph.entity(wayId).close());
+      };
+    }
+    function start2(loc) {
+      var startGraph = context.graph();
+      var node = osmNode({ loc });
+      var way = osmWay({ tags: defaultTags(loc) });
+      context.perform(
+        actionAddEntity(node),
+        actionAddEntity(way),
+        actionAddVertex(way.id, node.id),
+        actionClose(way.id)
+      );
+      context.enter(modeDrawArea(context, way.id, startGraph, mode.button));
+    }
+    function startFromWay(loc, edge) {
+      var startGraph = context.graph();
+      var node = osmNode({ loc });
+      var way = osmWay({ tags: defaultTags(loc) });
+      context.perform(
+        actionAddEntity(node),
+        actionAddEntity(way),
+        actionAddVertex(way.id, node.id),
+        actionClose(way.id),
+        actionAddMidpoint({ loc, edge }, node)
+      );
+      context.enter(modeDrawArea(context, way.id, startGraph, mode.button));
+    }
+    function startFromNode(node) {
+      var startGraph = context.graph();
+      var way = osmWay({ tags: defaultTags(node.loc) });
+      context.perform(
+        actionAddEntity(way),
+        actionAddVertex(way.id, node.id),
+        actionClose(way.id)
+      );
+      context.enter(modeDrawArea(context, way.id, startGraph, mode.button));
+    }
+    mode.enter = function() {
+      context.install(behavior);
+    };
+    mode.exit = function() {
+      context.uninstall(behavior);
+    };
+    return mode;
+  }
+
+  // modules/modes/add_line.js
+  function modeAddLine(context, mode) {
+    mode.id = "add-line";
+    var behavior = behaviorAddWay(context).on("start", start2).on("startFromWay", startFromWay).on("startFromNode", startFromNode);
+    function defaultTags(loc) {
+      var defaultTags2 = {};
+      if (mode.preset)
+        defaultTags2 = mode.preset.setTags(defaultTags2, "line", false, loc);
+      return defaultTags2;
+    }
+    function start2(loc) {
+      var startGraph = context.graph();
+      var node = osmNode({ loc });
+      var way = osmWay({ tags: defaultTags(loc) });
+      context.perform(
+        actionAddEntity(node),
+        actionAddEntity(way),
+        actionAddVertex(way.id, node.id)
+      );
+      context.enter(modeDrawLine(context, way.id, startGraph, mode.button));
+    }
+    function startFromWay(loc, edge) {
+      var startGraph = context.graph();
+      var node = osmNode({ loc });
+      var way = osmWay({ tags: defaultTags(loc) });
+      context.perform(
+        actionAddEntity(node),
+        actionAddEntity(way),
+        actionAddVertex(way.id, node.id),
+        actionAddMidpoint({ loc, edge }, node)
+      );
+      context.enter(modeDrawLine(context, way.id, startGraph, mode.button));
+    }
+    function startFromNode(node) {
+      var startGraph = context.graph();
+      var way = osmWay({ tags: defaultTags(node.loc) });
+      context.perform(
+        actionAddEntity(way),
+        actionAddVertex(way.id, node.id)
+      );
+      context.enter(modeDrawLine(context, way.id, startGraph, mode.button));
+    }
+    mode.enter = function() {
+      context.install(behavior);
+    };
+    mode.exit = function() {
+      context.uninstall(behavior);
+    };
+    return mode;
+  }
+
+  // modules/modes/add_point.js
+  function modeAddPoint(context, mode) {
+    mode.id = "add-point";
+    var behavior = behaviorDraw(context).on("click", add).on("clickWay", addWay).on("clickNode", addNode).on("cancel", cancel).on("finish", cancel);
+    function defaultTags(loc) {
+      var defaultTags2 = {};
+      if (mode.preset)
+        defaultTags2 = mode.preset.setTags(defaultTags2, "point", false, loc);
+      return defaultTags2;
+    }
+    function add(loc) {
+      var node = osmNode({ loc, tags: defaultTags(loc) });
+      context.perform(
+        actionAddEntity(node),
+        _t("operations.add.annotation.point")
+      );
+      enterSelectMode(node);
+    }
+    function addWay(loc, edge) {
+      var node = osmNode({ tags: defaultTags(loc) });
+      context.perform(
+        actionAddMidpoint({ loc, edge }, node),
+        _t("operations.add.annotation.vertex")
+      );
+      enterSelectMode(node);
+    }
+    function enterSelectMode(node) {
+      context.enter(
+        modeSelect(context, [node.id]).newFeature(true)
+      );
+    }
+    function addNode(node) {
+      const _defaultTags = defaultTags(node.loc);
+      if (Object.keys(_defaultTags).length === 0) {
+        enterSelectMode(node);
+        return;
+      }
+      var tags = Object.assign({}, node.tags);
+      for (var key in _defaultTags) {
+        tags[key] = _defaultTags[key];
+      }
+      context.perform(
+        actionChangeTags(node.id, tags),
+        _t("operations.add.annotation.point")
+      );
+      enterSelectMode(node);
+    }
+    function cancel() {
+      context.enter(modeBrowse(context));
+    }
+    mode.enter = function() {
+      context.install(behavior);
+    };
+    mode.exit = function() {
+      context.uninstall(behavior);
+    };
+    return mode;
+  }
+
+  // modules/modes/select_note.js
+  function modeSelectNote(context, selectedNoteID) {
+    var mode = {
+      id: "select-note",
+      button: "browse"
+    };
+    var _keybinding = utilKeybinding("select-note");
+    var _noteEditor = uiNoteEditor(context).on("change", function() {
+      context.map().pan([0, 0]);
+      var note = checkSelectedID();
+      if (!note)
+        return;
+      context.ui().sidebar.show(_noteEditor.note(note));
+    });
+    var _behaviors = [
+      behaviorBreathe(context),
+      behaviorHover(context),
+      behaviorSelect(context),
+      behaviorLasso(context),
+      modeDragNode(context).behavior,
+      modeDragNote(context).behavior
+    ];
+    var _newFeature = false;
+    function checkSelectedID() {
+      if (!services.osm)
+        return;
+      var note = services.osm.getNote(selectedNoteID);
+      if (!note) {
+        context.enter(modeBrowse(context));
+      }
+      return note;
+    }
+    function selectNote(d3_event, drawn) {
+      if (!checkSelectedID())
+        return;
+      var selection2 = context.surface().selectAll(".layer-notes .note-" + selectedNoteID);
+      if (selection2.empty()) {
+        var source = d3_event && d3_event.type === "zoom" && d3_event.sourceEvent;
+        if (drawn && source && (source.type === "pointermove" || source.type === "mousemove" || source.type === "touchmove")) {
+          context.enter(modeBrowse(context));
+        }
+      } else {
+        selection2.classed("selected", true);
+        context.selectedNoteID(selectedNoteID);
+      }
+    }
+    function esc() {
+      if (context.container().select(".combobox").size())
+        return;
+      context.enter(modeBrowse(context));
+    }
+    mode.zoomToSelected = function() {
+      if (!services.osm)
+        return;
+      var note = services.osm.getNote(selectedNoteID);
+      if (note) {
+        context.map().centerZoomEase(note.loc, 20);
+      }
+    };
+    mode.newFeature = function(val) {
+      if (!arguments.length)
+        return _newFeature;
+      _newFeature = val;
+      return mode;
+    };
+    mode.enter = function() {
+      var note = checkSelectedID();
+      if (!note)
+        return;
+      _behaviors.forEach(context.install);
+      _keybinding.on(_t("inspector.zoom_to.key"), mode.zoomToSelected).on("\u238B", esc, true);
+      select_default2(document).call(_keybinding);
+      selectNote();
+      var sidebar = context.ui().sidebar;
+      sidebar.show(_noteEditor.note(note).newNote(_newFeature));
+      sidebar.expand(sidebar.intersects(note.extent()));
+      context.map().on("drawn.select", selectNote);
+    };
+    mode.exit = function() {
+      _behaviors.forEach(context.uninstall);
+      select_default2(document).call(_keybinding.unbind);
+      context.surface().selectAll(".layer-notes .selected").classed("selected hover", false);
+      context.map().on("drawn.select", null);
+      context.ui().sidebar.hide();
+      context.selectedNoteID(null);
+    };
+    return mode;
+  }
+
+  // modules/modes/add_note.js
+  function modeAddNote(context) {
+    var mode = {
+      id: "add-note",
+      button: "note",
+      description: _t.append("modes.add_note.description"),
+      key: _t("modes.add_note.key")
+    };
+    var behavior = behaviorDraw(context).on("click", add).on("cancel", cancel).on("finish", cancel);
+    function add(loc) {
+      var osm = services.osm;
+      if (!osm)
+        return;
+      var note = osmNote({ loc, status: "open", comments: [] });
+      osm.replaceNote(note);
+      context.map().pan([0, 0]);
+      context.selectedNoteID(note.id).enter(modeSelectNote(context, note.id).newFeature(true));
+    }
+    function cancel() {
+      context.enter(modeBrowse(context));
+    }
+    mode.enter = function() {
+      context.install(behavior);
+    };
+    mode.exit = function() {
+      context.uninstall(behavior);
+    };
+    return mode;
+  }
+
+  // modules/modes/save.js
+  function modeSave(context) {
+    var mode = { id: "save" };
+    var keybinding = utilKeybinding("modeSave");
+    var commit = uiCommit(context).on("cancel", cancel);
+    var _conflictsUi;
+    var _location;
+    var _success;
+    var uploader = context.uploader().on("saveStarted.modeSave", function() {
+      keybindingOff();
+    }).on("willAttemptUpload.modeSave", prepareForSuccess).on("progressChanged.modeSave", showProgress).on("resultNoChanges.modeSave", function() {
+      cancel();
+    }).on("resultErrors.modeSave", showErrors).on("resultConflicts.modeSave", showConflicts).on("resultSuccess.modeSave", showSuccess);
+    function cancel() {
+      context.enter(modeBrowse(context));
+    }
+    function showProgress(num, total) {
+      var modal = context.container().select(".loading-modal .modal-section");
+      var progress = modal.selectAll(".progress").data([0]);
+      progress.enter().append("div").attr("class", "progress").merge(progress).text(_t("save.conflict_progress", { num, total }));
+    }
+    function showConflicts(changeset, conflicts, origChanges) {
+      var selection2 = context.container().select(".sidebar").append("div").attr("class", "sidebar-component");
+      context.container().selectAll(".main-content").classed("active", true).classed("inactive", false);
+      _conflictsUi = uiConflicts(context).conflictList(conflicts).origChanges(origChanges).on("cancel", function() {
+        context.container().selectAll(".main-content").classed("active", false).classed("inactive", true);
+        selection2.remove();
+        keybindingOn();
+        uploader.cancelConflictResolution();
+      }).on("save", function() {
+        context.container().selectAll(".main-content").classed("active", false).classed("inactive", true);
+        selection2.remove();
+        uploader.processResolvedConflicts(changeset);
+      });
+      selection2.call(_conflictsUi);
+    }
+    function showErrors(errors) {
+      keybindingOn();
+      var selection2 = uiConfirm(context.container());
+      selection2.select(".modal-section.header").append("h3").text(_t("save.error"));
+      addErrors(selection2, errors);
+      selection2.okButton();
+    }
+    function addErrors(selection2, data) {
+      var message = selection2.select(".modal-section.message-text");
+      var items = message.selectAll(".error-container").data(data);
+      var enter = items.enter().append("div").attr("class", "error-container");
+      enter.append("a").attr("class", "error-description").attr("href", "#").classed("hide-toggle", true).text(function(d) {
+        return d.msg || _t("save.unknown_error_details");
+      }).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        var error = select_default2(this);
+        var detail = select_default2(this.nextElementSibling);
+        var exp2 = error.classed("expanded");
+        detail.style("display", exp2 ? "none" : "block");
+        error.classed("expanded", !exp2);
+      });
+      var details = enter.append("div").attr("class", "error-detail-container").style("display", "none");
+      details.append("ul").attr("class", "error-detail-list").selectAll("li").data(function(d) {
+        return d.details || [];
+      }).enter().append("li").attr("class", "error-detail-item").text(function(d) {
+        return d;
+      });
+      items.exit().remove();
+    }
+    function showSuccess(changeset) {
+      commit.reset();
+      var ui = _success.changeset(changeset).location(_location).on("cancel", function() {
+        context.ui().sidebar.hide();
+      });
+      context.enter(modeBrowse(context).sidebar(ui));
+    }
+    function keybindingOn() {
+      select_default2(document).call(keybinding.on("\u238B", cancel, true));
+    }
+    function keybindingOff() {
+      select_default2(document).call(keybinding.unbind);
+    }
+    function prepareForSuccess() {
+      _success = uiSuccess(context);
+      _location = null;
+      if (!services.geocoder)
+        return;
+      services.geocoder.reverse(context.map().center(), function(err, result) {
+        if (err || !result || !result.address)
+          return;
+        var addr = result.address;
+        var place = addr && (addr.town || addr.city || addr.county) || "";
+        var region = addr && (addr.state || addr.country) || "";
+        var separator = place && region ? _t("success.thank_you_where.separator") : "";
+        _location = _t(
+          "success.thank_you_where.format",
+          { place, separator, region }
+        );
+      });
+    }
+    mode.selectedIDs = function() {
+      return _conflictsUi ? _conflictsUi.shownEntityIds() : [];
+    };
+    mode.enter = function() {
+      context.ui().sidebar.expand();
+      function done() {
+        context.ui().sidebar.show(commit);
+      }
+      keybindingOn();
+      context.container().selectAll(".main-content").classed("active", false).classed("inactive", true);
+      var osm = context.connection();
+      if (!osm) {
+        cancel();
+        return;
+      }
+      if (osm.authenticated()) {
+        done();
+      } else {
+        osm.authenticate(function(err) {
+          if (err) {
+            cancel();
+          } else {
+            done();
+          }
+        });
+      }
+    };
+    mode.exit = function() {
+      keybindingOff();
+      context.container().selectAll(".main-content").classed("active", true).classed("inactive", false);
+      context.ui().sidebar.hide();
+    };
+    return mode;
+  }
+
+  // modules/modes/select_error.js
+  function modeSelectError(context, selectedErrorID, selectedErrorService) {
+    var mode = {
+      id: "select-error",
+      button: "browse"
+    };
+    var keybinding = utilKeybinding("select-error");
+    var errorService = services[selectedErrorService];
+    var errorEditor;
+    switch (selectedErrorService) {
+      case "improveOSM":
+        errorEditor = uiImproveOsmEditor(context).on("change", function() {
+          context.map().pan([0, 0]);
+          var error = checkSelectedID();
+          if (!error)
+            return;
+          context.ui().sidebar.show(errorEditor.error(error));
+        });
+        break;
+      case "keepRight":
+        errorEditor = uiKeepRightEditor(context).on("change", function() {
+          context.map().pan([0, 0]);
+          var error = checkSelectedID();
+          if (!error)
+            return;
+          context.ui().sidebar.show(errorEditor.error(error));
+        });
+        break;
+      case "osmose":
+        errorEditor = uiOsmoseEditor(context).on("change", function() {
+          context.map().pan([0, 0]);
+          var error = checkSelectedID();
+          if (!error)
+            return;
+          context.ui().sidebar.show(errorEditor.error(error));
+        });
+        break;
+    }
+    var behaviors = [
+      behaviorBreathe(context),
+      behaviorHover(context),
+      behaviorSelect(context),
+      behaviorLasso(context),
+      modeDragNode(context).behavior,
+      modeDragNote(context).behavior
+    ];
+    function checkSelectedID() {
+      if (!errorService)
+        return;
+      var error = errorService.getError(selectedErrorID);
+      if (!error) {
+        context.enter(modeBrowse(context));
+      }
+      return error;
+    }
+    mode.zoomToSelected = function() {
+      if (!errorService)
+        return;
+      var error = errorService.getError(selectedErrorID);
+      if (error) {
+        context.map().centerZoomEase(error.loc, 20);
+      }
+    };
+    mode.enter = function() {
+      var error = checkSelectedID();
+      if (!error)
+        return;
+      behaviors.forEach(context.install);
+      keybinding.on(_t("inspector.zoom_to.key"), mode.zoomToSelected).on("\u238B", esc, true);
+      select_default2(document).call(keybinding);
+      selectError();
+      var sidebar = context.ui().sidebar;
+      sidebar.show(errorEditor.error(error));
+      context.map().on("drawn.select-error", selectError);
+      function selectError(d3_event, drawn) {
+        if (!checkSelectedID())
+          return;
+        var selection2 = context.surface().selectAll(".itemId-" + selectedErrorID + "." + selectedErrorService);
+        if (selection2.empty()) {
+          var source = d3_event && d3_event.type === "zoom" && d3_event.sourceEvent;
+          if (drawn && source && (source.type === "pointermove" || source.type === "mousemove" || source.type === "touchmove")) {
+            context.enter(modeBrowse(context));
+          }
+        } else {
+          selection2.classed("selected", true);
+          context.selectedErrorID(selectedErrorID);
+        }
+      }
+      function esc() {
+        if (context.container().select(".combobox").size())
+          return;
+        context.enter(modeBrowse(context));
+      }
+    };
+    mode.exit = function() {
+      behaviors.forEach(context.uninstall);
+      select_default2(document).call(keybinding.unbind);
+      context.surface().selectAll(".qaItem.selected").classed("selected hover", false);
+      context.map().on("drawn.select-error", null);
+      context.ui().sidebar.hide();
+      context.selectedErrorID(null);
+      context.features().forceVisible([]);
+    };
+    return mode;
+  }
+
+  // modules/ui/tools/modes.js
+  function uiToolDrawModes(context) {
+    var tool = {
+      id: "old_modes",
+      label: _t.append("toolbar.add_feature")
+    };
+    var modes = [
+      modeAddPoint(context, {
+        title: _t.append("modes.add_point.title"),
+        button: "point",
+        description: _t.append("modes.add_point.description"),
+        preset: _mainPresetIndex.item("point"),
+        key: "1"
+      }),
+      modeAddLine(context, {
+        title: _t.append("modes.add_line.title"),
+        button: "line",
+        description: _t.append("modes.add_line.description"),
+        preset: _mainPresetIndex.item("line"),
+        key: "2"
+      }),
+      modeAddArea(context, {
+        title: _t.append("modes.add_area.title"),
+        button: "area",
+        description: _t.append("modes.add_area.description"),
+        preset: _mainPresetIndex.item("area"),
+        key: "3"
+      })
+    ];
+    function enabled(_mode) {
+      return osmEditable();
+    }
+    function osmEditable() {
+      return context.editable();
+    }
+    modes.forEach(function(mode) {
+      context.keybinding().on(mode.key, function() {
+        if (!enabled(mode))
+          return;
+        if (mode.id === context.mode().id) {
+          context.enter(modeBrowse(context));
+        } else {
+          context.enter(mode);
+        }
+      });
+    });
+    tool.render = function(selection2) {
+      var wrap2 = selection2.append("div").attr("class", "joined").style("display", "flex");
+      var debouncedUpdate = debounce_default(update, 500, { leading: true, trailing: true });
+      context.map().on("move.modes", debouncedUpdate).on("drawn.modes", debouncedUpdate);
+      context.on("enter.modes", update);
+      update();
+      function update() {
+        var buttons = wrap2.selectAll("button.add-button").data(modes, function(d) {
+          return d.id;
+        });
+        buttons.exit().remove();
+        var buttonsEnter = buttons.enter().append("button").attr("class", function(d) {
+          return d.id + " add-button bar-button";
+        }).on("click.mode-buttons", function(d3_event, d) {
+          if (!enabled(d))
+            return;
+          var currMode = context.mode().id;
+          if (/^draw/.test(currMode))
+            return;
+          if (d.id === currMode) {
+            context.enter(modeBrowse(context));
+          } else {
+            context.enter(d);
+          }
+        }).call(
+          uiTooltip().placement("bottom").title(function(d) {
+            return d.description;
+          }).keys(function(d) {
+            return [d.key];
+          }).scrollContainer(context.container().select(".top-toolbar"))
+        );
+        buttonsEnter.each(function(d) {
+          select_default2(this).call(svgIcon("#iD-icon-" + d.button));
+        });
+        buttonsEnter.append("span").attr("class", "label").text("").each(function(mode) {
+          mode.title(select_default2(this));
+        });
+        if (buttons.enter().size() || buttons.exit().size()) {
+          context.ui().checkOverflow(".top-toolbar", true);
+        }
+        buttons = buttons.merge(buttonsEnter).attr("aria-disabled", function(d) {
+          return !enabled(d);
+        }).classed("disabled", function(d) {
+          return !enabled(d);
+        }).attr("aria-pressed", function(d) {
+          return context.mode() && context.mode().button === d.button;
+        }).classed("active", function(d) {
+          return context.mode() && context.mode().button === d.button;
+        });
+      }
+    };
+    return tool;
+  }
+
+  // modules/ui/tools/notes.js
+  function uiToolNotes(context) {
+    var tool = {
+      id: "notes",
+      label: _t.append("modes.add_note.label")
+    };
+    var mode = modeAddNote(context);
+    function enabled() {
+      return notesEnabled() && notesEditable();
+    }
+    function notesEnabled() {
+      var noteLayer = context.layers().layer("notes");
+      return noteLayer && noteLayer.enabled();
+    }
+    function notesEditable() {
+      var mode2 = context.mode();
+      return context.map().notesEditable() && mode2 && mode2.id !== "save";
+    }
+    context.keybinding().on(mode.key, function() {
+      if (!enabled())
+        return;
+      if (mode.id === context.mode().id) {
+        context.enter(modeBrowse(context));
+      } else {
+        context.enter(mode);
+      }
+    });
+    tool.render = function(selection2) {
+      var debouncedUpdate = debounce_default(update, 500, { leading: true, trailing: true });
+      context.map().on("move.notes", debouncedUpdate).on("drawn.notes", debouncedUpdate);
+      context.on("enter.notes", update);
+      update();
+      function update() {
+        var showNotes = notesEnabled();
+        var data = showNotes ? [mode] : [];
+        var buttons = selection2.selectAll("button.add-button").data(data, function(d) {
+          return d.id;
+        });
+        buttons.exit().remove();
+        var buttonsEnter = buttons.enter().append("button").attr("class", function(d) {
+          return d.id + " add-button bar-button";
+        }).on("click.notes", function(d3_event, d) {
+          if (!enabled())
+            return;
+          var currMode = context.mode().id;
+          if (/^draw/.test(currMode))
+            return;
+          if (d.id === currMode) {
+            context.enter(modeBrowse(context));
+          } else {
+            context.enter(d);
+          }
+        }).call(
+          uiTooltip().placement("bottom").title(function(d) {
+            return d.description;
+          }).keys(function(d) {
+            return [d.key];
+          }).scrollContainer(context.container().select(".top-toolbar"))
+        );
+        buttonsEnter.each(function(d) {
+          select_default2(this).call(svgIcon(d.icon || "#iD-icon-" + d.button));
+        });
+        if (buttons.enter().size() || buttons.exit().size()) {
+          context.ui().checkOverflow(".top-toolbar", true);
+        }
+        buttons = buttons.merge(buttonsEnter).classed("disabled", function() {
+          return !enabled();
+        }).attr("aria-disabled", function() {
+          return !enabled();
+        }).classed("active", function(d) {
+          return context.mode() && context.mode().button === d.button;
+        }).attr("aria-pressed", function(d) {
+          return context.mode() && context.mode().button === d.button;
+        });
+      }
+    };
+    tool.uninstall = function() {
+      context.on("enter.editor.notes", null).on("exit.editor.notes", null).on("enter.notes", null);
+      context.map().on("move.notes", null).on("drawn.notes", null);
+    };
+    return tool;
+  }
+
+  // modules/ui/tools/save.js
+  function uiToolSave(context) {
+    var tool = {
+      id: "save",
+      label: _t.append("save.title")
+    };
+    var button = null;
+    var tooltipBehavior = null;
+    var history = context.history();
+    var key = uiCmd("\u2318S");
+    var _numChanges = 0;
+    function isSaving() {
+      var mode = context.mode();
+      return mode && mode.id === "save";
+    }
+    function isDisabled() {
+      return _numChanges === 0 || isSaving();
+    }
+    function save(d3_event) {
+      d3_event.preventDefault();
+      if (!context.inIntro() && !isSaving() && history.hasChanges()) {
+        context.enter(modeSave(context));
+      }
+    }
+    function bgColor(numChanges) {
+      var step;
+      if (numChanges === 0) {
+        return null;
+      } else if (numChanges <= 50) {
+        step = numChanges / 50;
+        return rgb_default("#fff", "#ff8")(step);
+      } else {
+        step = Math.min((numChanges - 50) / 50, 1);
+        return rgb_default("#ff8", "#f88")(step);
+      }
+    }
+    function updateCount() {
+      var val = history.difference().summary().length;
+      if (val === _numChanges)
+        return;
+      _numChanges = val;
+      if (tooltipBehavior) {
+        tooltipBehavior.title(() => _t.append(_numChanges > 0 ? "save.help" : "save.no_changes")).keys([key]);
+      }
+      if (button) {
+        button.classed("disabled", isDisabled()).style("background", bgColor(_numChanges));
+        button.select("span.count").text(_numChanges);
+      }
+    }
+    tool.render = function(selection2) {
+      tooltipBehavior = uiTooltip().placement("bottom").title(() => _t.append("save.no_changes")).keys([key]).scrollContainer(context.container().select(".top-toolbar"));
+      var lastPointerUpType;
+      button = selection2.append("button").attr("class", "save disabled bar-button").on("pointerup", function(d3_event) {
+        lastPointerUpType = d3_event.pointerType;
+      }).on("click", function(d3_event) {
+        save(d3_event);
+        if (_numChanges === 0 && (lastPointerUpType === "touch" || lastPointerUpType === "pen")) {
+          context.ui().flash.duration(2e3).iconName("#iD-icon-save").iconClass("disabled").label(_t.append("save.no_changes"))();
+        }
+        lastPointerUpType = null;
+      }).call(tooltipBehavior);
+      button.call(svgIcon("#iD-icon-save"));
+      button.append("span").attr("class", "count").attr("aria-hidden", "true").text("0");
+      updateCount();
+      context.keybinding().on(key, save, true);
+      context.history().on("change.save", updateCount);
+      context.on("enter.save", function() {
+        if (button) {
+          button.classed("disabled", isDisabled());
+          if (isSaving()) {
+            button.call(tooltipBehavior.hide);
+          }
+        }
+      });
+    };
+    tool.uninstall = function() {
+      context.keybinding().off(key, true);
+      context.history().on("change.save", null);
+      context.on("enter.save", null);
+      button = null;
+      tooltipBehavior = null;
+    };
+    return tool;
+  }
+
+  // modules/ui/tools/sidebar_toggle.js
+  function uiToolSidebarToggle(context) {
+    var tool = {
+      id: "sidebar_toggle",
+      label: _t.append("toolbar.inspect")
+    };
+    tool.render = function(selection2) {
+      selection2.append("button").attr("class", "bar-button").attr("aria-label", _t("sidebar.tooltip")).on("click", function() {
+        context.ui().sidebar.toggle();
+      }).call(
+        uiTooltip().placement("bottom").title(() => _t.append("sidebar.tooltip")).keys([_t("sidebar.key")]).scrollContainer(context.container().select(".top-toolbar"))
+      ).call(svgIcon("#iD-icon-sidebar-" + (_mainLocalizer.textDirection() === "rtl" ? "right" : "left")));
+    };
+    return tool;
+  }
+
+  // modules/ui/tools/undo_redo.js
+  function uiToolUndoRedo(context) {
+    var tool = {
+      id: "undo_redo",
+      label: _t.append("toolbar.undo_redo")
+    };
+    var commands = [{
+      id: "undo",
+      cmd: uiCmd("\u2318Z"),
+      action: function() {
+        context.undo();
+      },
+      annotation: function() {
+        return context.history().undoAnnotation();
+      },
+      icon: "iD-icon-" + (_mainLocalizer.textDirection() === "rtl" ? "redo" : "undo")
+    }, {
+      id: "redo",
+      cmd: uiCmd("\u2318\u21E7Z"),
+      action: function() {
+        context.redo();
+      },
+      annotation: function() {
+        return context.history().redoAnnotation();
+      },
+      icon: "iD-icon-" + (_mainLocalizer.textDirection() === "rtl" ? "undo" : "redo")
+    }];
+    function editable() {
+      return context.mode() && context.mode().id !== "save" && context.map().editableDataEnabled(
+        true
+        /* ignore min zoom */
+      );
+    }
+    tool.render = function(selection2) {
+      var tooltipBehavior = uiTooltip().placement("bottom").title(function(d) {
+        return d.annotation() ? _t.append(d.id + ".tooltip", { action: d.annotation() }) : _t.append(d.id + ".nothing");
+      }).keys(function(d) {
+        return [d.cmd];
+      }).scrollContainer(context.container().select(".top-toolbar"));
+      var lastPointerUpType;
+      var buttons = selection2.selectAll("button").data(commands).enter().append("button").attr("class", function(d) {
+        return "disabled " + d.id + "-button bar-button";
+      }).on("pointerup", function(d3_event) {
+        lastPointerUpType = d3_event.pointerType;
+      }).on("click", function(d3_event, d) {
+        d3_event.preventDefault();
+        var annotation = d.annotation();
+        if (editable() && annotation) {
+          d.action();
+        }
+        if (editable() && (lastPointerUpType === "touch" || lastPointerUpType === "pen")) {
+          var label = annotation ? _t.append(d.id + ".tooltip", { action: annotation }) : _t.append(d.id + ".nothing");
+          context.ui().flash.duration(2e3).iconName("#" + d.icon).iconClass(annotation ? "" : "disabled").label(label)();
+        }
+        lastPointerUpType = null;
+      }).call(tooltipBehavior);
+      buttons.each(function(d) {
+        select_default2(this).call(svgIcon("#" + d.icon));
+      });
+      context.keybinding().on(commands[0].cmd, function(d3_event) {
+        d3_event.preventDefault();
+        if (editable())
+          commands[0].action();
+      }).on(commands[1].cmd, function(d3_event) {
+        d3_event.preventDefault();
+        if (editable())
+          commands[1].action();
+      });
+      var debouncedUpdate = debounce_default(update, 500, { leading: true, trailing: true });
+      context.map().on("move.undo_redo", debouncedUpdate).on("drawn.undo_redo", debouncedUpdate);
+      context.history().on("change.undo_redo", function(difference) {
+        if (difference)
+          update();
+      });
+      context.on("enter.undo_redo", update);
+      function update() {
+        buttons.classed("disabled", function(d) {
+          return !editable() || !d.annotation();
+        }).each(function() {
+          var selection3 = select_default2(this);
+          if (!selection3.select(".tooltip.in").empty()) {
+            selection3.call(tooltipBehavior.updateContent);
+          }
+        });
+      }
+    };
+    tool.uninstall = function() {
+      context.keybinding().off(commands[0].cmd).off(commands[1].cmd);
+      context.map().on("move.undo_redo", null).on("drawn.undo_redo", null);
+      context.history().on("change.undo_redo", null);
+      context.on("enter.undo_redo", null);
+    };
+    return tool;
+  }
+
+  // modules/ui/top_toolbar.js
+  function uiTopToolbar(context) {
+    var sidebarToggle = uiToolSidebarToggle(context), modes = uiToolDrawModes(context), notes = uiToolNotes(context), undoRedo = uiToolUndoRedo(context), save = uiToolSave(context);
+    function notesEnabled() {
+      var noteLayer = context.layers().layer("notes");
+      return noteLayer && noteLayer.enabled();
+    }
+    function topToolbar(bar) {
+      bar.on("wheel.topToolbar", function(d3_event) {
+        if (!d3_event.deltaX) {
+          bar.node().scrollLeft += d3_event.deltaY;
+        }
+      });
+      var debouncedUpdate = debounce_default(update, 500, { leading: true, trailing: true });
+      context.layers().on("change.topToolbar", debouncedUpdate);
+      update();
+      function update() {
+        var tools = [
+          sidebarToggle,
+          "spacer",
+          modes
+        ];
+        tools.push("spacer");
+        if (notesEnabled()) {
+          tools = tools.concat([notes, "spacer"]);
+        }
+        tools = tools.concat([undoRedo, save]);
+        var toolbarItems = bar.selectAll(".toolbar-item").data(tools, function(d) {
+          return d.id || d;
+        });
+        toolbarItems.exit().each(function(d) {
+          if (d.uninstall) {
+            d.uninstall();
+          }
+        }).remove();
+        var itemsEnter = toolbarItems.enter().append("div").attr("class", function(d) {
+          var classes = "toolbar-item " + (d.id || d).replace("_", "-");
+          if (d.klass)
+            classes += " " + d.klass;
+          return classes;
+        });
+        var actionableItems = itemsEnter.filter(function(d) {
+          return d !== "spacer";
+        });
+        actionableItems.append("div").attr("class", "item-content").each(function(d) {
+          select_default2(this).call(d.render, bar);
+        });
+        actionableItems.append("div").attr("class", "item-label").each(function(d) {
+          d.label(select_default2(this));
+        });
+      }
+    }
+    return topToolbar;
+  }
+
+  // modules/ui/zoom_to_selection.js
+  function uiZoomToSelection(context) {
+    function isDisabled() {
+      var mode = context.mode();
+      return !mode || !mode.zoomToSelected;
+    }
+    var _lastPointerUpType;
+    function pointerup(d3_event) {
+      _lastPointerUpType = d3_event.pointerType;
+    }
+    function click(d3_event) {
+      d3_event.preventDefault();
+      if (isDisabled()) {
+        if (_lastPointerUpType === "touch" || _lastPointerUpType === "pen") {
+          context.ui().flash.duration(2e3).iconName("#iD-icon-framed-dot").iconClass("disabled").label(_t.append("inspector.zoom_to.no_selection"))();
+        }
+      } else {
+        var mode = context.mode();
+        if (mode && mode.zoomToSelected) {
+          mode.zoomToSelected();
+        }
+      }
+      _lastPointerUpType = null;
+    }
+    return function(selection2) {
+      var tooltipBehavior = uiTooltip().placement(_mainLocalizer.textDirection() === "rtl" ? "right" : "left").title(function() {
+        if (isDisabled()) {
+          return _t.append("inspector.zoom_to.no_selection");
+        }
+        return _t.append("inspector.zoom_to.title");
+      }).keys([_t("inspector.zoom_to.key")]);
+      var button = selection2.append("button").on("pointerup", pointerup).on("click", click).call(svgIcon("#iD-icon-framed-dot", "light")).call(tooltipBehavior);
+      function setEnabledState() {
+        button.classed("disabled", isDisabled());
+        if (!button.select(".tooltip.in").empty()) {
+          button.call(tooltipBehavior.updateContent);
+        }
+      }
+      context.on("enter.uiZoomToSelection", setEnabledState);
+      setEnabledState();
+    };
+  }
+
+  // modules/ui/pane.js
+  function uiPane(id2, context) {
+    var _key;
+    var _label = "";
+    var _description = "";
+    var _iconName = "";
+    var _sections;
+    var _paneSelection = select_default2(null);
+    var _paneTooltip;
+    var pane = {
+      id: id2
+    };
+    pane.label = function(val) {
+      if (!arguments.length)
+        return _label;
+      _label = val;
+      return pane;
+    };
+    pane.key = function(val) {
+      if (!arguments.length)
+        return _key;
+      _key = val;
+      return pane;
+    };
+    pane.description = function(val) {
+      if (!arguments.length)
+        return _description;
+      _description = val;
+      return pane;
+    };
+    pane.iconName = function(val) {
+      if (!arguments.length)
+        return _iconName;
+      _iconName = val;
+      return pane;
+    };
+    pane.sections = function(val) {
+      if (!arguments.length)
+        return _sections;
+      _sections = val;
+      return pane;
+    };
+    pane.selection = function() {
+      return _paneSelection;
+    };
+    function hidePane() {
+      context.ui().togglePanes();
+    }
+    pane.togglePane = function(d3_event) {
+      if (d3_event)
+        d3_event.preventDefault();
+      _paneTooltip.hide();
+      context.ui().togglePanes(!_paneSelection.classed("shown") ? _paneSelection : void 0);
+    };
+    pane.renderToggleButton = function(selection2) {
+      if (!_paneTooltip) {
+        _paneTooltip = uiTooltip().placement(_mainLocalizer.textDirection() === "rtl" ? "right" : "left").title(() => _description).keys([_key]);
+      }
+      selection2.append("button").on("click", pane.togglePane).call(svgIcon("#" + _iconName, "light")).call(_paneTooltip);
+    };
+    pane.renderContent = function(selection2) {
+      if (_sections) {
+        _sections.forEach(function(section) {
+          selection2.call(section.render);
+        });
+      }
+    };
+    pane.renderPane = function(selection2) {
+      _paneSelection = selection2.append("div").attr("class", "fillL map-pane hide " + id2 + "-pane").attr("pane", id2);
+      var heading = _paneSelection.append("div").attr("class", "pane-heading");
+      heading.append("h2").text("").call(_label);
+      heading.append("button").attr("title", _t("icons.close")).on("click", hidePane).call(svgIcon("#iD-icon-close"));
+      _paneSelection.append("div").attr("class", "pane-content").call(pane.renderContent);
+      if (_key) {
+        context.keybinding().on(_key, pane.togglePane);
+      }
+    };
+    return pane;
+  }
+
+  // modules/ui/sections/background_display_options.js
+  function uiSectionBackgroundDisplayOptions(context) {
+    var section = uiSection("background-display-options", context).label(() => _t.append("background.display_options")).disclosureContent(renderDisclosureContent);
+    var _storedOpacity = corePreferences("background-opacity");
+    var _minVal = 0;
+    var _maxVal = 3;
+    var _sliders = ["brightness", "contrast", "saturation", "sharpness"];
+    var _options = {
+      brightness: _storedOpacity !== null ? +_storedOpacity : 1,
+      contrast: 1,
+      saturation: 1,
+      sharpness: 1
+    };
+    function clamp3(x, min3, max3) {
+      return Math.max(min3, Math.min(x, max3));
+    }
+    function updateValue(d, val) {
+      val = clamp3(val, _minVal, _maxVal);
+      _options[d] = val;
+      context.background()[d](val);
+      if (d === "brightness") {
+        corePreferences("background-opacity", val);
+      }
+      section.reRender();
+    }
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".display-options-container").data([0]);
+      var containerEnter = container.enter().append("div").attr("class", "display-options-container controls-list");
+      var slidersEnter = containerEnter.selectAll(".display-control").data(_sliders).enter().append("label").attr("class", function(d) {
+        return "display-control display-control-" + d;
+      });
+      slidersEnter.html(function(d) {
+        return _t.html("background." + d);
+      }).append("span").attr("class", function(d) {
+        return "display-option-value display-option-value-" + d;
+      });
+      var sildersControlEnter = slidersEnter.append("div").attr("class", "control-wrap");
+      sildersControlEnter.append("input").attr("class", function(d) {
+        return "display-option-input display-option-input-" + d;
+      }).attr("type", "range").attr("min", _minVal).attr("max", _maxVal).attr("step", "0.05").on("input", function(d3_event, d) {
+        var val = select_default2(this).property("value");
+        if (!val && d3_event && d3_event.target) {
+          val = d3_event.target.value;
+        }
+        updateValue(d, val);
+      });
+      sildersControlEnter.append("button").attr("title", function(d) {
+        return `${_t("background.reset")} ${_t("background." + d)}`;
+      }).attr("class", function(d) {
+        return "display-option-reset display-option-reset-" + d;
+      }).on("click", function(d3_event, d) {
+        if (d3_event.button !== 0)
+          return;
+        updateValue(d, 1);
+      }).call(svgIcon("#iD-icon-" + (_mainLocalizer.textDirection() === "rtl" ? "redo" : "undo")));
+      containerEnter.append("a").attr("class", "display-option-resetlink").attr("role", "button").attr("href", "#").call(_t.append("background.reset_all")).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        for (var i2 = 0; i2 < _sliders.length; i2++) {
+          updateValue(_sliders[i2], 1);
+        }
+      });
+      container = containerEnter.merge(container);
+      container.selectAll(".display-option-input").property("value", function(d) {
+        return _options[d];
+      });
+      container.selectAll(".display-option-value").text(function(d) {
+        return Math.floor(_options[d] * 100) + "%";
+      });
+      container.selectAll(".display-option-reset").classed("disabled", function(d) {
+        return _options[d] === 1;
+      });
+      if (containerEnter.size() && _options.brightness !== 1) {
+        context.background().brightness(_options.brightness);
+      }
+    }
+    return section;
+  }
+
+  // modules/ui/settings/custom_background.js
+  function uiSettingsCustomBackground() {
+    var dispatch10 = dispatch_default("change");
+    function render(selection2) {
+      var _origSettings = {
+        template: corePreferences("background-custom-template")
+      };
+      var _currSettings = {
+        template: corePreferences("background-custom-template")
+      };
+      var example = "https://{switch:a,b,c}.tile.openstreetmap.org/{zoom}/{x}/{y}.png";
+      var modal = uiConfirm(selection2).okButton();
+      modal.classed("settings-modal settings-custom-background", true);
+      modal.select(".modal-section.header").append("h3").call(_t.append("settings.custom_background.header"));
+      var textSection = modal.select(".modal-section.message-text");
+      var instructions = `${_t.html("settings.custom_background.instructions.info")}
+
+#### ${_t.html("settings.custom_background.instructions.wms.tokens_label")}
+* ${_t.html("settings.custom_background.instructions.wms.tokens.proj")}
+* ${_t.html("settings.custom_background.instructions.wms.tokens.wkid")}
+* ${_t.html("settings.custom_background.instructions.wms.tokens.dimensions")}
+* ${_t.html("settings.custom_background.instructions.wms.tokens.bbox")}
+
+#### ${_t.html("settings.custom_background.instructions.tms.tokens_label")}
+* ${_t.html("settings.custom_background.instructions.tms.tokens.xyz")}
+* ${_t.html("settings.custom_background.instructions.tms.tokens.flipped_y")}
+* ${_t.html("settings.custom_background.instructions.tms.tokens.switch")}
+* ${_t.html("settings.custom_background.instructions.tms.tokens.quadtile")}
+* ${_t.html("settings.custom_background.instructions.tms.tokens.scale_factor")}
+
+#### ${_t.html("settings.custom_background.instructions.example")}
+\`${example}\``;
+      textSection.append("div").attr("class", "instructions-template").html(marked(instructions));
+      textSection.append("textarea").attr("class", "field-template").attr("placeholder", _t("settings.custom_background.template.placeholder")).call(utilNoAuto).property("value", _currSettings.template);
+      var buttonSection = modal.select(".modal-section.buttons");
+      buttonSection.insert("button", ".ok-button").attr("class", "button cancel-button secondary-action").call(_t.append("confirm.cancel"));
+      buttonSection.select(".cancel-button").on("click.cancel", clickCancel);
+      buttonSection.select(".ok-button").attr("disabled", isSaveDisabled).on("click.save", clickSave);
+      function isSaveDisabled() {
+        return null;
+      }
+      function clickCancel() {
+        textSection.select(".field-template").property("value", _origSettings.template);
+        corePreferences("background-custom-template", _origSettings.template);
+        this.blur();
+        modal.close();
+      }
+      function clickSave() {
+        _currSettings.template = textSection.select(".field-template").property("value");
+        corePreferences("background-custom-template", _currSettings.template);
+        this.blur();
+        modal.close();
+        dispatch10.call("change", this, _currSettings);
+      }
+    }
+    return utilRebind(render, dispatch10, "on");
+  }
+
+  // modules/ui/sections/background_list.js
+  function uiSectionBackgroundList(context) {
+    var _backgroundList = select_default2(null);
+    var _customSource = context.background().findSource("custom");
+    var _settingsCustomBackground = uiSettingsCustomBackground(context).on("change", customChanged);
+    var section = uiSection("background-list", context).label(() => _t.append("background.backgrounds")).disclosureContent(renderDisclosureContent);
+    function previousBackgroundID() {
+      return corePreferences("background-last-used-toggle");
+    }
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".layer-background-list").data([0]);
+      _backgroundList = container.enter().append("ul").attr("class", "layer-list layer-background-list").attr("dir", "auto").merge(container);
+      var bgExtrasListEnter = selection2.selectAll(".bg-extras-list").data([0]).enter().append("ul").attr("class", "layer-list bg-extras-list");
+      var minimapLabelEnter = bgExtrasListEnter.append("li").attr("class", "minimap-toggle-item").append("label").call(
+        uiTooltip().title(() => _t.append("background.minimap.tooltip")).keys([_t("background.minimap.key")]).placement("top")
+      );
+      minimapLabelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event) {
+        d3_event.preventDefault();
+        uiMapInMap.toggle();
+      });
+      minimapLabelEnter.append("span").call(_t.append("background.minimap.description"));
+      var panelLabelEnter = bgExtrasListEnter.append("li").attr("class", "background-panel-toggle-item").append("label").call(
+        uiTooltip().title(() => _t.append("background.panel.tooltip")).keys([uiCmd("\u2318\u21E7" + _t("info_panels.background.key"))]).placement("top")
+      );
+      panelLabelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event) {
+        d3_event.preventDefault();
+        context.ui().info.toggle("background");
+      });
+      panelLabelEnter.append("span").call(_t.append("background.panel.description"));
+      var locPanelLabelEnter = bgExtrasListEnter.append("li").attr("class", "location-panel-toggle-item").append("label").call(
+        uiTooltip().title(() => _t.append("background.location_panel.tooltip")).keys([uiCmd("\u2318\u21E7" + _t("info_panels.location.key"))]).placement("top")
+      );
+      locPanelLabelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event) {
+        d3_event.preventDefault();
+        context.ui().info.toggle("location");
+      });
+      locPanelLabelEnter.append("span").call(_t.append("background.location_panel.description"));
+      selection2.selectAll(".imagery-faq").data([0]).enter().append("div").attr("class", "imagery-faq").append("a").attr("target", "_blank").call(svgIcon("#iD-icon-out-link", "inline")).attr("href", "https://github.com/openstreetmap/iD/blob/develop/FAQ.md#how-can-i-report-an-issue-with-background-imagery").append("span").call(_t.append("background.imagery_problem_faq"));
+      _backgroundList.call(drawListItems, "radio", function(d3_event, d) {
+        chooseBackground(d);
+      }, function(d) {
+        return !d.isHidden() && !d.overlay;
+      });
+    }
+    function setTooltips(selection2) {
+      selection2.each(function(d, i2, nodes) {
+        var item = select_default2(this).select("label");
+        var span = item.select("span");
+        var placement = i2 < nodes.length / 2 ? "bottom" : "top";
+        var hasDescription = d.hasDescription();
+        var isOverflowing = span.property("clientWidth") !== span.property("scrollWidth");
+        item.call(uiTooltip().destroyAny);
+        if (d.id === previousBackgroundID()) {
+          item.call(
+            uiTooltip().placement(placement).title(() => _t.append("background.switch")).keys([uiCmd("\u2318" + _t("background.key"))])
+          );
+        } else if (hasDescription || isOverflowing) {
+          item.call(
+            uiTooltip().placement(placement).title(() => hasDescription ? d.description() : d.label())
+          );
+        }
+      });
+    }
+    function drawListItems(layerList, type2, change, filter2) {
+      var sources = context.background().sources(context.map().extent(), context.map().zoom(), true).filter(filter2).sort(function(a, b) {
+        return a.best() && !b.best() ? -1 : b.best() && !a.best() ? 1 : descending(a.area(), b.area()) || ascending(a.name(), b.name()) || 0;
+      });
+      var layerLinks = layerList.selectAll("li").data(sources, function(d, i2) {
+        return d.id + "---" + i2;
+      });
+      layerLinks.exit().remove();
+      var enter = layerLinks.enter().append("li").classed("layer-custom", function(d) {
+        return d.id === "custom";
+      }).classed("best", function(d) {
+        return d.best();
+      });
+      var label = enter.append("label");
+      label.append("input").attr("type", type2).attr("name", "background-layer").attr("value", function(d) {
+        return d.id;
+      }).on("change", change);
+      label.append("span").each(function(d) {
+        d.label()(select_default2(this));
+      });
+      enter.filter(function(d) {
+        return d.id === "custom";
+      }).append("button").attr("class", "layer-browse").call(
+        uiTooltip().title(() => _t.append("settings.custom_background.tooltip")).placement(_mainLocalizer.textDirection() === "rtl" ? "right" : "left")
+      ).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        editCustom();
+      }).call(svgIcon("#iD-icon-more"));
+      enter.filter(function(d) {
+        return d.best();
+      }).append("div").attr("class", "best").call(
+        uiTooltip().title(() => _t.append("background.best_imagery")).placement(_mainLocalizer.textDirection() === "rtl" ? "right" : "left")
+      ).append("span").text("\u2605");
+      layerList.call(updateLayerSelections);
+    }
+    function updateLayerSelections(selection2) {
+      function active(d) {
+        return context.background().showsLayer(d);
+      }
+      selection2.selectAll("li").classed("active", active).classed("switch", function(d) {
+        return d.id === previousBackgroundID();
+      }).call(setTooltips).selectAll("input").property("checked", active);
+    }
+    function chooseBackground(d) {
+      if (d.id === "custom" && !d.template()) {
+        return editCustom();
+      }
+      var previousBackground = context.background().baseLayerSource();
+      corePreferences("background-last-used-toggle", previousBackground.id);
+      corePreferences("background-last-used", d.id);
+      context.background().baseLayerSource(d);
+    }
+    function customChanged(d) {
+      if (d && d.template) {
+        _customSource.template(d.template);
+        chooseBackground(_customSource);
+      } else {
+        _customSource.template("");
+        chooseBackground(context.background().findSource("none"));
+      }
+    }
+    function editCustom() {
+      context.container().call(_settingsCustomBackground);
+    }
+    context.background().on("change.background_list", function() {
+      _backgroundList.call(updateLayerSelections);
+    });
+    context.map().on(
+      "move.background_list",
+      debounce_default(function() {
+        window.requestIdleCallback(section.reRender);
+      }, 1e3)
+    );
+    return section;
+  }
+
+  // modules/ui/sections/background_offset.js
+  function uiSectionBackgroundOffset(context) {
+    var section = uiSection("background-offset", context).label(() => _t.append("background.fix_misalignment")).disclosureContent(renderDisclosureContent).expandedByDefault(false);
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    var _directions = [
+      ["top", [0, -0.5]],
+      ["left", [-0.5, 0]],
+      ["right", [0.5, 0]],
+      ["bottom", [0, 0.5]]
+    ];
+    function updateValue() {
+      var meters = geoOffsetToMeters(context.background().offset());
+      var x = +meters[0].toFixed(2);
+      var y = +meters[1].toFixed(2);
+      context.container().selectAll(".nudge-inner-rect").select("input").classed("error", false).property("value", x + ", " + y);
+      context.container().selectAll(".nudge-reset").classed("disabled", function() {
+        return x === 0 && y === 0;
+      });
+    }
+    function resetOffset() {
+      context.background().offset([0, 0]);
+      updateValue();
+    }
+    function nudge(d) {
+      context.background().nudge(d, context.map().zoom());
+      updateValue();
+    }
+    function inputOffset() {
+      var input = select_default2(this);
+      var d = input.node().value;
+      if (d === "")
+        return resetOffset();
+      d = d.replace(/;/g, ",").split(",").map(function(n2) {
+        return !isNaN(n2) && n2;
+      });
+      if (d.length !== 2 || !d[0] || !d[1]) {
+        input.classed("error", true);
+        return;
+      }
+      context.background().offset(geoMetersToOffset(d));
+      updateValue();
+    }
+    function dragOffset(d3_event) {
+      if (d3_event.button !== 0)
+        return;
+      var origin = [d3_event.clientX, d3_event.clientY];
+      var pointerId = d3_event.pointerId || "mouse";
+      context.container().append("div").attr("class", "nudge-surface");
+      select_default2(window).on(_pointerPrefix + "move.drag-bg-offset", pointermove).on(_pointerPrefix + "up.drag-bg-offset", pointerup);
+      if (_pointerPrefix === "pointer") {
+        select_default2(window).on("pointercancel.drag-bg-offset", pointerup);
+      }
+      function pointermove(d3_event2) {
+        if (pointerId !== (d3_event2.pointerId || "mouse"))
+          return;
+        var latest = [d3_event2.clientX, d3_event2.clientY];
+        var d = [
+          -(origin[0] - latest[0]) / 4,
+          -(origin[1] - latest[1]) / 4
+        ];
+        origin = latest;
+        nudge(d);
+      }
+      function pointerup(d3_event2) {
+        if (pointerId !== (d3_event2.pointerId || "mouse"))
+          return;
+        if (d3_event2.button !== 0)
+          return;
+        context.container().selectAll(".nudge-surface").remove();
+        select_default2(window).on(".drag-bg-offset", null);
+      }
+    }
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".nudge-container").data([0]);
+      var containerEnter = container.enter().append("div").attr("class", "nudge-container");
+      containerEnter.append("div").attr("class", "nudge-instructions").call(_t.append("background.offset"));
+      var nudgeWrapEnter = containerEnter.append("div").attr("class", "nudge-controls-wrap");
+      var nudgeEnter = nudgeWrapEnter.append("div").attr("class", "nudge-outer-rect").on(_pointerPrefix + "down", dragOffset);
+      nudgeEnter.append("div").attr("class", "nudge-inner-rect").append("input").attr("type", "text").attr("aria-label", _t("background.offset_label")).on("change", inputOffset);
+      nudgeWrapEnter.append("div").selectAll("button").data(_directions).enter().append("button").attr("title", function(d) {
+        return _t(`background.nudge.${d[0]}`);
+      }).attr("class", function(d) {
+        return d[0] + " nudge";
+      }).on("click", function(d3_event, d) {
+        nudge(d[1]);
+      });
+      nudgeWrapEnter.append("button").attr("title", _t("background.reset")).attr("class", "nudge-reset disabled").on("click", function(d3_event) {
+        d3_event.preventDefault();
+        resetOffset();
+      }).call(svgIcon("#iD-icon-" + (_mainLocalizer.textDirection() === "rtl" ? "redo" : "undo")));
+      updateValue();
+    }
+    context.background().on("change.backgroundOffset-update", updateValue);
+    return section;
+  }
+
+  // modules/ui/sections/overlay_list.js
+  function uiSectionOverlayList(context) {
+    var section = uiSection("overlay-list", context).label(() => _t.append("background.overlays")).disclosureContent(renderDisclosureContent);
+    var _overlayList = select_default2(null);
+    function setTooltips(selection2) {
+      selection2.each(function(d, i2, nodes) {
+        var item = select_default2(this).select("label");
+        var span = item.select("span");
+        var placement = i2 < nodes.length / 2 ? "bottom" : "top";
+        var description = d.description();
+        var isOverflowing = span.property("clientWidth") !== span.property("scrollWidth");
+        item.call(uiTooltip().destroyAny);
+        if (description || isOverflowing) {
+          item.call(
+            uiTooltip().placement(placement).title(() => description || d.name())
+          );
+        }
+      });
+    }
+    function updateLayerSelections(selection2) {
+      function active(d) {
+        return context.background().showsLayer(d);
+      }
+      selection2.selectAll("li").classed("active", active).call(setTooltips).selectAll("input").property("checked", active);
+    }
+    function chooseOverlay(d3_event, d) {
+      d3_event.preventDefault();
+      context.background().toggleOverlayLayer(d);
+      _overlayList.call(updateLayerSelections);
+      document.activeElement.blur();
+    }
+    function drawListItems(layerList, type2, change, filter2) {
+      var sources = context.background().sources(context.map().extent(), context.map().zoom(), true).filter(filter2);
+      var layerLinks = layerList.selectAll("li").data(sources, function(d) {
+        return d.name();
+      });
+      layerLinks.exit().remove();
+      var enter = layerLinks.enter().append("li");
+      var label = enter.append("label");
+      label.append("input").attr("type", type2).attr("name", "layers").on("change", change);
+      label.append("span").each(function(d) {
+        d.label()(select_default2(this));
+      });
+      layerList.selectAll("li").sort(sortSources);
+      layerList.call(updateLayerSelections);
+      function sortSources(a, b) {
+        return a.best() && !b.best() ? -1 : b.best() && !a.best() ? 1 : descending(a.area(), b.area()) || ascending(a.name(), b.name()) || 0;
+      }
+    }
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".layer-overlay-list").data([0]);
+      _overlayList = container.enter().append("ul").attr("class", "layer-list layer-overlay-list").attr("dir", "auto").merge(container);
+      _overlayList.call(drawListItems, "checkbox", chooseOverlay, function(d) {
+        return !d.isHidden() && d.overlay;
+      });
+    }
+    context.map().on(
+      "move.overlay_list",
+      debounce_default(function() {
+        window.requestIdleCallback(section.reRender);
+      }, 1e3)
+    );
+    return section;
+  }
+
+  // modules/ui/panes/background.js
+  function uiPaneBackground(context) {
+    var backgroundPane = uiPane("background", context).key(_t("background.key")).label(_t.append("background.title")).description(_t.append("background.description")).iconName("iD-icon-layers").sections([
+      uiSectionBackgroundList(context),
+      uiSectionOverlayList(context),
+      uiSectionBackgroundDisplayOptions(context),
+      uiSectionBackgroundOffset(context)
+    ]);
+    return backgroundPane;
+  }
+
+  // modules/ui/panes/help.js
+  function uiPaneHelp(context) {
+    var docKeys = [
+      ["help", [
+        "welcome",
+        "open_data_h",
+        "open_data",
+        "before_start_h",
+        "before_start",
+        "open_source_h",
+        "open_source",
+        "open_source_attribution",
+        "open_source_help"
+      ]],
+      ["overview", [
+        "navigation_h",
+        "navigation_drag",
+        "navigation_zoom",
+        "features_h",
+        "features",
+        "nodes_ways"
+      ]],
+      ["editing", [
+        "select_h",
+        "select_left_click",
+        "select_right_click",
+        "select_space",
+        "multiselect_h",
+        "multiselect",
+        "multiselect_shift_click",
+        "multiselect_lasso",
+        "undo_redo_h",
+        "undo_redo",
+        "save_h",
+        "save",
+        "save_validation",
+        "upload_h",
+        "upload",
+        "backups_h",
+        "backups",
+        "keyboard_h",
+        "keyboard"
+      ]],
+      ["feature_editor", [
+        "intro",
+        "definitions",
+        "type_h",
+        "type",
+        "type_picker",
+        "fields_h",
+        "fields_all_fields",
+        "fields_example",
+        "fields_add_field",
+        "tags_h",
+        "tags_all_tags",
+        "tags_resources"
+      ]],
+      ["points", [
+        "intro",
+        "add_point_h",
+        "add_point",
+        "add_point_finish",
+        "move_point_h",
+        "move_point",
+        "delete_point_h",
+        "delete_point",
+        "delete_point_command"
+      ]],
+      ["lines", [
+        "intro",
+        "add_line_h",
+        "add_line",
+        "add_line_draw",
+        "add_line_continue",
+        "add_line_finish",
+        "modify_line_h",
+        "modify_line_dragnode",
+        "modify_line_addnode",
+        "connect_line_h",
+        "connect_line",
+        "connect_line_display",
+        "connect_line_drag",
+        "connect_line_tag",
+        "disconnect_line_h",
+        "disconnect_line_command",
+        "move_line_h",
+        "move_line_command",
+        "move_line_connected",
+        "delete_line_h",
+        "delete_line",
+        "delete_line_command"
+      ]],
+      ["areas", [
+        "intro",
+        "point_or_area_h",
+        "point_or_area",
+        "add_area_h",
+        "add_area_command",
+        "add_area_draw",
+        "add_area_continue",
+        "add_area_finish",
+        "square_area_h",
+        "square_area_command",
+        "modify_area_h",
+        "modify_area_dragnode",
+        "modify_area_addnode",
+        "delete_area_h",
+        "delete_area",
+        "delete_area_command"
+      ]],
+      ["relations", [
+        "intro",
+        "edit_relation_h",
+        "edit_relation",
+        "edit_relation_add",
+        "edit_relation_delete",
+        "maintain_relation_h",
+        "maintain_relation",
+        "relation_types_h",
+        "multipolygon_h",
+        "multipolygon",
+        "multipolygon_create",
+        "multipolygon_merge",
+        "turn_restriction_h",
+        "turn_restriction",
+        "turn_restriction_field",
+        "turn_restriction_editing",
+        "route_h",
+        "route",
+        "route_add",
+        "boundary_h",
+        "boundary",
+        "boundary_add"
+      ]],
+      ["operations", [
+        "intro",
+        "intro_2",
+        "straighten",
+        "orthogonalize",
+        "circularize",
+        "move",
+        "rotate",
+        "reflect",
+        "continue",
+        "reverse",
+        "disconnect",
+        "split",
+        "extract",
+        "merge",
+        "delete",
+        "downgrade",
+        "copy_paste"
+      ]],
+      ["notes", [
+        "intro",
+        "add_note_h",
+        "add_note",
+        "place_note",
+        "move_note",
+        "update_note_h",
+        "update_note",
+        "save_note_h",
+        "save_note"
+      ]],
+      ["imagery", [
+        "intro",
+        "sources_h",
+        "choosing",
+        "sources",
+        "offsets_h",
+        "offset",
+        "offset_change"
+      ]],
+      ["streetlevel", [
+        "intro",
+        "using_h",
+        "using",
+        "photos",
+        "viewer"
+      ]],
+      ["gps", [
+        "intro",
+        "survey",
+        "using_h",
+        "using",
+        "tracing",
+        "upload"
+      ]],
+      ["qa", [
+        "intro",
+        "tools_h",
+        "tools",
+        "issues_h",
+        "issues"
+      ]]
+    ];
+    var headings = {
+      "help.help.open_data_h": 3,
+      "help.help.before_start_h": 3,
+      "help.help.open_source_h": 3,
+      "help.overview.navigation_h": 3,
+      "help.overview.features_h": 3,
+      "help.editing.select_h": 3,
+      "help.editing.multiselect_h": 3,
+      "help.editing.undo_redo_h": 3,
+      "help.editing.save_h": 3,
+      "help.editing.upload_h": 3,
+      "help.editing.backups_h": 3,
+      "help.editing.keyboard_h": 3,
+      "help.feature_editor.type_h": 3,
+      "help.feature_editor.fields_h": 3,
+      "help.feature_editor.tags_h": 3,
+      "help.points.add_point_h": 3,
+      "help.points.move_point_h": 3,
+      "help.points.delete_point_h": 3,
+      "help.lines.add_line_h": 3,
+      "help.lines.modify_line_h": 3,
+      "help.lines.connect_line_h": 3,
+      "help.lines.disconnect_line_h": 3,
+      "help.lines.move_line_h": 3,
+      "help.lines.delete_line_h": 3,
+      "help.areas.point_or_area_h": 3,
+      "help.areas.add_area_h": 3,
+      "help.areas.square_area_h": 3,
+      "help.areas.modify_area_h": 3,
+      "help.areas.delete_area_h": 3,
+      "help.relations.edit_relation_h": 3,
+      "help.relations.maintain_relation_h": 3,
+      "help.relations.relation_types_h": 2,
+      "help.relations.multipolygon_h": 3,
+      "help.relations.turn_restriction_h": 3,
+      "help.relations.route_h": 3,
+      "help.relations.boundary_h": 3,
+      "help.notes.add_note_h": 3,
+      "help.notes.update_note_h": 3,
+      "help.notes.save_note_h": 3,
+      "help.imagery.sources_h": 3,
+      "help.imagery.offsets_h": 3,
+      "help.streetlevel.using_h": 3,
+      "help.gps.using_h": 3,
+      "help.qa.tools_h": 3,
+      "help.qa.issues_h": 3
+    };
+    var docs = docKeys.map(function(key) {
+      var helpkey = "help." + key[0];
+      var helpPaneReplacements = { version: context.version };
+      var text2 = key[1].reduce(function(all, part) {
+        var subkey = helpkey + "." + part;
+        var depth = headings[subkey];
+        var hhh = depth ? Array(depth + 1).join("#") + " " : "";
+        return all + hhh + helpHtml(subkey, helpPaneReplacements) + "\n\n";
+      }, "");
+      return {
+        title: _t.html(helpkey + ".title"),
+        content: marked(text2.trim()).replace(/<code>/g, "<kbd>").replace(/<\/code>/g, "</kbd>")
+      };
+    });
+    var helpPane = uiPane("help", context).key(_t("help.key")).label(_t.append("help.title")).description(_t.append("help.title")).iconName("iD-icon-help");
+    helpPane.renderContent = function(content) {
+      function clickHelp(d, i2) {
+        var rtl = _mainLocalizer.textDirection() === "rtl";
+        content.property("scrollTop", 0);
+        helpPane.selection().select(".pane-heading h2").html(d.title);
+        body.html(d.content);
+        body.selectAll("a").attr("target", "_blank");
+        menuItems.classed("selected", function(m) {
+          return m.title === d.title;
+        });
+        nav.html("");
+        if (rtl) {
+          nav.call(drawNext).call(drawPrevious);
+        } else {
+          nav.call(drawPrevious).call(drawNext);
+        }
+        function drawNext(selection2) {
+          if (i2 < docs.length - 1) {
+            var nextLink = selection2.append("a").attr("href", "#").attr("class", "next").on("click", function(d3_event) {
+              d3_event.preventDefault();
+              clickHelp(docs[i2 + 1], i2 + 1);
+            });
+            nextLink.append("span").html(docs[i2 + 1].title).call(svgIcon(rtl ? "#iD-icon-backward" : "#iD-icon-forward", "inline"));
+          }
+        }
+        function drawPrevious(selection2) {
+          if (i2 > 0) {
+            var prevLink = selection2.append("a").attr("href", "#").attr("class", "previous").on("click", function(d3_event) {
+              d3_event.preventDefault();
+              clickHelp(docs[i2 - 1], i2 - 1);
+            });
+            prevLink.call(svgIcon(rtl ? "#iD-icon-forward" : "#iD-icon-backward", "inline")).append("span").html(docs[i2 - 1].title);
+          }
+        }
+      }
+      function clickWalkthrough(d3_event) {
+        d3_event.preventDefault();
+        if (context.inIntro())
+          return;
+        context.container().call(uiIntro(context));
+        context.ui().togglePanes();
+      }
+      function clickShortcuts(d3_event) {
+        d3_event.preventDefault();
+        context.container().call(context.ui().shortcuts, true);
+      }
+      var toc = content.append("ul").attr("class", "toc");
+      var menuItems = toc.selectAll("li").data(docs).enter().append("li").append("a").attr("role", "button").attr("href", "#").html(function(d) {
+        return d.title;
+      }).on("click", function(d3_event, d) {
+        d3_event.preventDefault();
+        clickHelp(d, docs.indexOf(d));
+      });
+      var shortcuts = toc.append("li").attr("class", "shortcuts").call(
+        uiTooltip().title(() => _t.append("shortcuts.tooltip")).keys(["?"]).placement("top")
+      ).append("a").attr("href", "#").on("click", clickShortcuts);
+      shortcuts.append("div").call(_t.append("shortcuts.title"));
+      var walkthrough = toc.append("li").attr("class", "walkthrough").append("a").attr("href", "#").on("click", clickWalkthrough);
+      walkthrough.append("svg").attr("class", "logo logo-walkthrough").append("use").attr("xlink:href", "#iD-logo-walkthrough");
+      walkthrough.append("div").call(_t.append("splash.walkthrough"));
+      var helpContent = content.append("div").attr("class", "left-content");
+      var body = helpContent.append("div").attr("class", "body");
+      var nav = helpContent.append("div").attr("class", "nav");
+      clickHelp(docs[0], 0);
+    };
+    return helpPane;
+  }
+
+  // modules/ui/sections/validation_issues.js
+  function uiSectionValidationIssues(id2, severity, context) {
+    var _issues = [];
+    var section = uiSection(id2, context).label(function() {
+      if (!_issues)
+        return "";
+      var issueCountText = _issues.length > 1e3 ? "1000+" : String(_issues.length);
+      return _t.append("inspector.title_count", { title: _t("issues." + severity + "s.list_title"), count: issueCountText });
+    }).disclosureContent(renderDisclosureContent).shouldDisplay(function() {
+      return _issues && _issues.length;
+    });
+    function getOptions() {
+      return {
+        what: corePreferences("validate-what") || "edited",
+        where: corePreferences("validate-where") || "all"
+      };
+    }
+    function reloadIssues() {
+      _issues = context.validator().getIssuesBySeverity(getOptions())[severity];
+    }
+    function renderDisclosureContent(selection2) {
+      var center = context.map().center();
+      var graph = context.graph();
+      var issues = _issues.map(function withDistance(issue) {
+        var extent = issue.extent(graph);
+        var dist = extent ? geoSphericalDistance(center, extent.center()) : 0;
+        return Object.assign(issue, { dist });
+      }).sort(function byDistance(a, b) {
+        return a.dist - b.dist;
+      });
+      issues = issues.slice(0, 1e3);
+      selection2.call(drawIssuesList, issues);
+    }
+    function drawIssuesList(selection2, issues) {
+      var list = selection2.selectAll(".issues-list").data([0]);
+      list = list.enter().append("ul").attr("class", "layer-list issues-list " + severity + "s-list").merge(list);
+      var items = list.selectAll("li").data(issues, function(d) {
+        return d.key;
+      });
+      items.exit().remove();
+      var itemsEnter = items.enter().append("li").attr("class", function(d) {
+        return "issue severity-" + d.severity;
+      });
+      var labelsEnter = itemsEnter.append("button").attr("class", "issue-label").on("click", function(d3_event, d) {
+        context.validator().focusIssue(d);
+      }).on("mouseover", function(d3_event, d) {
+        utilHighlightEntities(d.entityIds, true, context);
+      }).on("mouseout", function(d3_event, d) {
+        utilHighlightEntities(d.entityIds, false, context);
+      });
+      var textEnter = labelsEnter.append("span").attr("class", "issue-text");
+      textEnter.append("span").attr("class", "issue-icon").each(function(d) {
+        var iconName = "#iD-icon-" + (d.severity === "warning" ? "alert" : "error");
+        select_default2(this).call(svgIcon(iconName));
+      });
+      textEnter.append("span").attr("class", "issue-message");
+      items = items.merge(itemsEnter).order();
+      items.selectAll(".issue-message").text("").each(function(d) {
+        return d.message(context)(select_default2(this));
+      });
+    }
+    context.validator().on("validated.uiSectionValidationIssues" + id2, function() {
+      window.requestIdleCallback(function() {
+        reloadIssues();
+        section.reRender();
+      });
+    });
+    context.map().on(
+      "move.uiSectionValidationIssues" + id2,
+      debounce_default(function() {
+        window.requestIdleCallback(function() {
+          if (getOptions().where === "visible") {
+            reloadIssues();
+          }
+          section.reRender();
+        });
+      }, 1e3)
+    );
+    return section;
+  }
+
+  // modules/ui/sections/validation_options.js
+  function uiSectionValidationOptions(context) {
+    var section = uiSection("issues-options", context).content(renderContent);
+    function renderContent(selection2) {
+      var container = selection2.selectAll(".issues-options-container").data([0]);
+      container = container.enter().append("div").attr("class", "issues-options-container").merge(container);
+      var data = [
+        { key: "what", values: ["edited", "all"] },
+        { key: "where", values: ["visible", "all"] }
+      ];
+      var options2 = container.selectAll(".issues-option").data(data, function(d) {
+        return d.key;
+      });
+      var optionsEnter = options2.enter().append("div").attr("class", function(d) {
+        return "issues-option issues-option-" + d.key;
+      });
+      optionsEnter.append("div").attr("class", "issues-option-title").html(function(d) {
+        return _t.html("issues.options." + d.key + ".title");
+      });
+      var valuesEnter = optionsEnter.selectAll("label").data(function(d) {
+        return d.values.map(function(val) {
+          return { value: val, key: d.key };
+        });
+      }).enter().append("label");
+      valuesEnter.append("input").attr("type", "radio").attr("name", function(d) {
+        return "issues-option-" + d.key;
+      }).attr("value", function(d) {
+        return d.value;
+      }).property("checked", function(d) {
+        return getOptions()[d.key] === d.value;
+      }).on("change", function(d3_event, d) {
+        updateOptionValue(d3_event, d.key, d.value);
+      });
+      valuesEnter.append("span").html(function(d) {
+        return _t.html("issues.options." + d.key + "." + d.value);
+      });
+    }
+    function getOptions() {
+      return {
+        what: corePreferences("validate-what") || "edited",
+        // 'all', 'edited'
+        where: corePreferences("validate-where") || "all"
+        // 'all', 'visible'
+      };
+    }
+    function updateOptionValue(d3_event, d, val) {
+      if (!val && d3_event && d3_event.target) {
+        val = d3_event.target.value;
+      }
+      corePreferences("validate-" + d, val);
+      context.validator().validate();
+    }
+    return section;
+  }
+
+  // modules/ui/sections/validation_rules.js
+  function uiSectionValidationRules(context) {
+    var MINSQUARE = 0;
+    var MAXSQUARE = 20;
+    var DEFAULTSQUARE = 5;
+    var section = uiSection("issues-rules", context).disclosureContent(renderDisclosureContent).label(() => _t.append("issues.rules.title"));
+    var _ruleKeys = context.validator().getRuleKeys().filter(function(key) {
+      return key !== "maprules";
+    }).sort(function(key1, key2) {
+      return _t("issues." + key1 + ".title") < _t("issues." + key2 + ".title") ? -1 : 1;
+    });
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".issues-rulelist-container").data([0]);
+      var containerEnter = container.enter().append("div").attr("class", "issues-rulelist-container");
+      containerEnter.append("ul").attr("class", "layer-list issue-rules-list");
+      var ruleLinks = containerEnter.append("div").attr("class", "issue-rules-links section-footer");
+      ruleLinks.append("a").attr("class", "issue-rules-link").attr("role", "button").attr("href", "#").call(_t.append("issues.disable_all")).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        context.validator().disableRules(_ruleKeys);
+      });
+      ruleLinks.append("a").attr("class", "issue-rules-link").attr("role", "button").attr("href", "#").call(_t.append("issues.enable_all")).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        context.validator().disableRules([]);
+      });
+      container = container.merge(containerEnter);
+      container.selectAll(".issue-rules-list").call(drawListItems, _ruleKeys, "checkbox", "rule", toggleRule, isRuleEnabled);
+    }
+    function drawListItems(selection2, data, type2, name, change, active) {
+      var items = selection2.selectAll("li").data(data);
+      items.exit().remove();
+      var enter = items.enter().append("li");
+      if (name === "rule") {
+        enter.call(
+          uiTooltip().title(function(d) {
+            return _t.append("issues." + d + ".tip");
+          }).placement("top")
+        );
+      }
+      var label = enter.append("label");
+      label.append("input").attr("type", type2).attr("name", name).on("change", change);
+      label.append("span").html(function(d) {
+        var params = {};
+        if (d === "unsquare_way") {
+          params.val = { html: '<span class="square-degrees"></span>' };
+        }
+        return _t.html("issues." + d + ".title", params);
+      });
+      items = items.merge(enter);
+      items.classed("active", active).selectAll("input").property("checked", active).property("indeterminate", false);
+      var degStr = corePreferences("validate-square-degrees");
+      if (degStr === null) {
+        degStr = DEFAULTSQUARE.toString();
+      }
+      var span = items.selectAll(".square-degrees");
+      var input = span.selectAll(".square-degrees-input").data([0]);
+      input.enter().append("input").attr("type", "number").attr("min", MINSQUARE.toString()).attr("max", MAXSQUARE.toString()).attr("step", "0.5").attr("class", "square-degrees-input").call(utilNoAuto).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        this.select();
+      }).on("keyup", function(d3_event) {
+        if (d3_event.keyCode === 13) {
+          this.blur();
+          this.select();
+        }
+      }).on("blur", changeSquare).merge(input).property("value", degStr);
+    }
+    function changeSquare() {
+      var input = select_default2(this);
+      var degStr = utilGetSetValue(input).trim();
+      var degNum = Number(degStr);
+      if (!isFinite(degNum)) {
+        degNum = DEFAULTSQUARE;
+      } else if (degNum > MAXSQUARE) {
+        degNum = MAXSQUARE;
+      } else if (degNum < MINSQUARE) {
+        degNum = MINSQUARE;
+      }
+      degNum = Math.round(degNum * 10) / 10;
+      degStr = degNum.toString();
+      input.property("value", degStr);
+      corePreferences("validate-square-degrees", degStr);
+      context.validator().revalidateUnsquare();
+    }
+    function isRuleEnabled(d) {
+      return context.validator().isRuleEnabled(d);
+    }
+    function toggleRule(d3_event, d) {
+      context.validator().toggleRule(d);
+    }
+    context.validator().on("validated.uiSectionValidationRules", function() {
+      window.requestIdleCallback(section.reRender);
+    });
+    return section;
+  }
+
+  // modules/ui/sections/validation_status.js
+  function uiSectionValidationStatus(context) {
+    var section = uiSection("issues-status", context).content(renderContent).shouldDisplay(function() {
+      var issues = context.validator().getIssues(getOptions());
+      return issues.length === 0;
+    });
+    function getOptions() {
+      return {
+        what: corePreferences("validate-what") || "edited",
+        where: corePreferences("validate-where") || "all"
+      };
+    }
+    function renderContent(selection2) {
+      var box = selection2.selectAll(".box").data([0]);
+      var boxEnter = box.enter().append("div").attr("class", "box");
+      boxEnter.append("div").call(svgIcon("#iD-icon-apply", "pre-text"));
+      var noIssuesMessage = boxEnter.append("span");
+      noIssuesMessage.append("strong").attr("class", "message");
+      noIssuesMessage.append("br");
+      noIssuesMessage.append("span").attr("class", "details");
+      renderIgnoredIssuesReset(selection2);
+      setNoIssuesText(selection2);
+    }
+    function renderIgnoredIssuesReset(selection2) {
+      var ignoredIssues = context.validator().getIssues({ what: "all", where: "all", includeDisabledRules: true, includeIgnored: "only" });
+      var resetIgnored = selection2.selectAll(".reset-ignored").data(ignoredIssues.length ? [0] : []);
+      resetIgnored.exit().remove();
+      var resetIgnoredEnter = resetIgnored.enter().append("div").attr("class", "reset-ignored section-footer");
+      resetIgnoredEnter.append("a").attr("href", "#");
+      resetIgnored = resetIgnored.merge(resetIgnoredEnter);
+      resetIgnored.select("a").html(_t.html("inspector.title_count", { title: { html: _t.html("issues.reset_ignored") }, count: ignoredIssues.length }));
+      resetIgnored.on("click", function(d3_event) {
+        d3_event.preventDefault();
+        context.validator().resetIgnoredIssues();
+      });
+    }
+    function setNoIssuesText(selection2) {
+      var opts = getOptions();
+      function checkForHiddenIssues(cases) {
+        for (var type2 in cases) {
+          var hiddenOpts = cases[type2];
+          var hiddenIssues = context.validator().getIssues(hiddenOpts);
+          if (hiddenIssues.length) {
+            selection2.select(".box .details").html("").call(_t.append(
+              "issues.no_issues.hidden_issues." + type2,
+              { count: hiddenIssues.length.toString() }
+            ));
+            return;
+          }
+        }
+        selection2.select(".box .details").html("").call(_t.append("issues.no_issues.hidden_issues.none"));
+      }
+      var messageType;
+      if (opts.what === "edited" && opts.where === "visible") {
+        messageType = "edits_in_view";
+        checkForHiddenIssues({
+          elsewhere: { what: "edited", where: "all" },
+          everything_else: { what: "all", where: "visible" },
+          disabled_rules: { what: "edited", where: "visible", includeDisabledRules: "only" },
+          everything_else_elsewhere: { what: "all", where: "all" },
+          disabled_rules_elsewhere: { what: "edited", where: "all", includeDisabledRules: "only" },
+          ignored_issues: { what: "edited", where: "visible", includeIgnored: "only" },
+          ignored_issues_elsewhere: { what: "edited", where: "all", includeIgnored: "only" }
+        });
+      } else if (opts.what === "edited" && opts.where === "all") {
+        messageType = "edits";
+        checkForHiddenIssues({
+          everything_else: { what: "all", where: "all" },
+          disabled_rules: { what: "edited", where: "all", includeDisabledRules: "only" },
+          ignored_issues: { what: "edited", where: "all", includeIgnored: "only" }
+        });
+      } else if (opts.what === "all" && opts.where === "visible") {
+        messageType = "everything_in_view";
+        checkForHiddenIssues({
+          elsewhere: { what: "all", where: "all" },
+          disabled_rules: { what: "all", where: "visible", includeDisabledRules: "only" },
+          disabled_rules_elsewhere: { what: "all", where: "all", includeDisabledRules: "only" },
+          ignored_issues: { what: "all", where: "visible", includeIgnored: "only" },
+          ignored_issues_elsewhere: { what: "all", where: "all", includeIgnored: "only" }
+        });
+      } else if (opts.what === "all" && opts.where === "all") {
+        messageType = "everything";
+        checkForHiddenIssues({
+          disabled_rules: { what: "all", where: "all", includeDisabledRules: "only" },
+          ignored_issues: { what: "all", where: "all", includeIgnored: "only" }
+        });
+      }
+      if (opts.what === "edited" && context.history().difference().summary().length === 0) {
+        messageType = "no_edits";
+      }
+      selection2.select(".box .message").html("").call(_t.append("issues.no_issues.message." + messageType));
+    }
+    context.validator().on("validated.uiSectionValidationStatus", function() {
+      window.requestIdleCallback(section.reRender);
+    });
+    context.map().on(
+      "move.uiSectionValidationStatus",
+      debounce_default(function() {
+        window.requestIdleCallback(section.reRender);
+      }, 1e3)
+    );
+    return section;
+  }
+
+  // modules/ui/panes/issues.js
+  function uiPaneIssues(context) {
+    var issuesPane = uiPane("issues", context).key(_t("issues.key")).label(_t.append("issues.title")).description(_t.append("issues.title")).iconName("iD-icon-alert").sections([
+      uiSectionValidationOptions(context),
+      uiSectionValidationStatus(context),
+      uiSectionValidationIssues("issues-errors", "error", context),
+      uiSectionValidationIssues("issues-warnings", "warning", context),
+      uiSectionValidationRules(context)
+    ]);
+    return issuesPane;
+  }
+
+  // modules/ui/settings/custom_data.js
+  function uiSettingsCustomData(context) {
+    var dispatch10 = dispatch_default("change");
+    function render(selection2) {
+      var dataLayer = context.layers().layer("data");
+      var _origSettings = {
+        fileList: dataLayer && dataLayer.fileList() || null,
+        url: corePreferences("settings-custom-data-url")
+      };
+      var _currSettings = {
+        fileList: dataLayer && dataLayer.fileList() || null,
+        url: corePreferences("settings-custom-data-url")
+      };
+      var modal = uiConfirm(selection2).okButton();
+      modal.classed("settings-modal settings-custom-data", true);
+      modal.select(".modal-section.header").append("h3").call(_t.append("settings.custom_data.header"));
+      var textSection = modal.select(".modal-section.message-text");
+      textSection.append("pre").attr("class", "instructions-file").call(_t.append("settings.custom_data.file.instructions"));
+      textSection.append("input").attr("class", "field-file").attr("type", "file").attr("accept", ".gpx,.kml,.geojson,.json,application/gpx+xml,application/vnd.google-earth.kml+xml,application/geo+json,application/json").property("files", _currSettings.fileList).on("change", function(d3_event) {
+        var files = d3_event.target.files;
+        if (files && files.length) {
+          _currSettings.url = "";
+          textSection.select(".field-url").property("value", "");
+          _currSettings.fileList = files;
+        } else {
+          _currSettings.fileList = null;
+        }
+      });
+      textSection.append("h4").call(_t.append("settings.custom_data.or"));
+      textSection.append("pre").attr("class", "instructions-url").call(_t.append("settings.custom_data.url.instructions"));
+      textSection.append("textarea").attr("class", "field-url").attr("placeholder", _t("settings.custom_data.url.placeholder")).call(utilNoAuto).property("value", _currSettings.url);
+      var buttonSection = modal.select(".modal-section.buttons");
+      buttonSection.insert("button", ".ok-button").attr("class", "button cancel-button secondary-action").call(_t.append("confirm.cancel"));
+      buttonSection.select(".cancel-button").on("click.cancel", clickCancel);
+      buttonSection.select(".ok-button").attr("disabled", isSaveDisabled).on("click.save", clickSave);
+      function isSaveDisabled() {
+        return null;
+      }
+      function clickCancel() {
+        textSection.select(".field-url").property("value", _origSettings.url);
+        corePreferences("settings-custom-data-url", _origSettings.url);
+        this.blur();
+        modal.close();
+      }
+      function clickSave() {
+        _currSettings.url = textSection.select(".field-url").property("value").trim();
+        if (_currSettings.url) {
+          _currSettings.fileList = null;
+        }
+        if (_currSettings.fileList) {
+          _currSettings.url = "";
+        }
+        corePreferences("settings-custom-data-url", _currSettings.url);
+        this.blur();
+        modal.close();
+        dispatch10.call("change", this, _currSettings);
+      }
+    }
+    return utilRebind(render, dispatch10, "on");
+  }
+
+  // modules/ui/sections/data_layers.js
+  function uiSectionDataLayers(context) {
+    var settingsCustomData = uiSettingsCustomData(context).on("change", customChanged);
+    var layers = context.layers();
+    var section = uiSection("data-layers", context).label(() => _t.append("map_data.data_layers")).disclosureContent(renderDisclosureContent);
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".data-layer-container").data([0]);
+      container.enter().append("div").attr("class", "data-layer-container").merge(container).call(drawOsmItems).call(drawQAItems).call(drawCustomDataItems).call(drawVectorItems).call(drawPanelItems);
+    }
+    function showsLayer(which) {
+      var layer = layers.layer(which);
+      if (layer) {
+        return layer.enabled();
+      }
+      return false;
+    }
+    function setLayer(which, enabled) {
+      var mode = context.mode();
+      if (mode && /^draw/.test(mode.id))
+        return;
+      var layer = layers.layer(which);
+      if (layer) {
+        layer.enabled(enabled);
+        if (!enabled && (which === "osm" || which === "notes")) {
+          context.enter(modeBrowse(context));
+        }
+      }
+    }
+    function toggleLayer(which) {
+      setLayer(which, !showsLayer(which));
+    }
+    function drawOsmItems(selection2) {
+      var osmKeys = ["osm", "notes"];
+      var osmLayers = layers.all().filter(function(obj) {
+        return osmKeys.indexOf(obj.id) !== -1;
+      });
+      var ul = selection2.selectAll(".layer-list-osm").data([0]);
+      ul = ul.enter().append("ul").attr("class", "layer-list layer-list-osm").merge(ul);
+      var li = ul.selectAll(".list-item").data(osmLayers);
+      li.exit().remove();
+      var liEnter = li.enter().append("li").attr("class", function(d) {
+        return "list-item list-item-" + d.id;
+      });
+      var labelEnter = liEnter.append("label").each(function(d) {
+        if (d.id === "osm") {
+          select_default2(this).call(
+            uiTooltip().title(() => _t.append("map_data.layers." + d.id + ".tooltip")).keys([uiCmd("\u2325" + _t("area_fill.wireframe.key"))]).placement("bottom")
+          );
+        } else {
+          select_default2(this).call(
+            uiTooltip().title(() => _t.append("map_data.layers." + d.id + ".tooltip")).placement("bottom")
+          );
+        }
+      });
+      labelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event, d) {
+        toggleLayer(d.id);
+      });
+      labelEnter.append("span").html(function(d) {
+        return _t.html("map_data.layers." + d.id + ".title");
+      });
+      li.merge(liEnter).classed("active", function(d) {
+        return d.layer.enabled();
+      }).selectAll("input").property("checked", function(d) {
+        return d.layer.enabled();
+      });
+    }
+    function drawQAItems(selection2) {
+      var qaKeys = ["keepRight", "improveOSM", "osmose"];
+      var qaLayers = layers.all().filter(function(obj) {
+        return qaKeys.indexOf(obj.id) !== -1;
+      });
+      var ul = selection2.selectAll(".layer-list-qa").data([0]);
+      ul = ul.enter().append("ul").attr("class", "layer-list layer-list-qa").merge(ul);
+      var li = ul.selectAll(".list-item").data(qaLayers);
+      li.exit().remove();
+      var liEnter = li.enter().append("li").attr("class", function(d) {
+        return "list-item list-item-" + d.id;
+      });
+      var labelEnter = liEnter.append("label").each(function(d) {
+        select_default2(this).call(
+          uiTooltip().title(() => _t.append("map_data.layers." + d.id + ".tooltip")).placement("bottom")
+        );
+      });
+      labelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event, d) {
+        toggleLayer(d.id);
+      });
+      labelEnter.append("span").each(function(d) {
+        _t.append("map_data.layers." + d.id + ".title")(select_default2(this));
+      });
+      li.merge(liEnter).classed("active", function(d) {
+        return d.layer.enabled();
+      }).selectAll("input").property("checked", function(d) {
+        return d.layer.enabled();
+      });
+    }
+    function drawVectorItems(selection2) {
+      var dataLayer = layers.layer("data");
+      var vtData = [
+        {
+          name: "Detroit Neighborhoods/Parks",
+          src: "neighborhoods-parks",
+          tooltip: "Neighborhood boundaries and parks as compiled by City of Detroit in concert with community groups.",
+          template: "https://{switch:a,b,c,d}.tiles.mapbox.com/v4/jonahadkins.cjksmur6x34562qp9iv1u3ksf-54hev,jonahadkins.cjksmqxdx33jj2wp90xd9x2md-4e5y2/{z}/{x}/{y}.vector.pbf?access_token=pk.eyJ1Ijoiam9uYWhhZGtpbnMiLCJhIjoiRlVVVkx3VSJ9.9sdVEK_B_VkEXPjssU5MqA"
+        },
+        {
+          name: "Detroit Composite POIs",
+          src: "composite-poi",
+          tooltip: "Fire Inspections, Business Licenses, and other public location data collated from the City of Detroit.",
+          template: "https://{switch:a,b,c,d}.tiles.mapbox.com/v4/jonahadkins.cjksmm6a02sli31myxhsr7zf3-2sw8h/{z}/{x}/{y}.vector.pbf?access_token=pk.eyJ1Ijoiam9uYWhhZGtpbnMiLCJhIjoiRlVVVkx3VSJ9.9sdVEK_B_VkEXPjssU5MqA"
+        },
+        {
+          name: "Detroit All-The-Places POIs",
+          src: "alltheplaces-poi",
+          tooltip: "Public domain business location data created by web scrapers.",
+          template: "https://{switch:a,b,c,d}.tiles.mapbox.com/v4/jonahadkins.cjksmswgk340g2vo06p1w9w0j-8fjjc/{z}/{x}/{y}.vector.pbf?access_token=pk.eyJ1Ijoiam9uYWhhZGtpbnMiLCJhIjoiRlVVVkx3VSJ9.9sdVEK_B_VkEXPjssU5MqA"
+        }
+      ];
+      var detroit = geoExtent([-83.5, 42.1], [-82.8, 42.5]);
+      var showVectorItems = context.map().zoom() > 9 && detroit.contains(context.map().center());
+      var container = selection2.selectAll(".vectortile-container").data(showVectorItems ? [0] : []);
+      container.exit().remove();
+      var containerEnter = container.enter().append("div").attr("class", "vectortile-container");
+      containerEnter.append("h4").attr("class", "vectortile-header").text("Detroit Vector Tiles (Beta)");
+      containerEnter.append("ul").attr("class", "layer-list layer-list-vectortile");
+      containerEnter.append("div").attr("class", "vectortile-footer").append("a").attr("target", "_blank").call(svgIcon("#iD-icon-out-link", "inline")).attr("href", "https://github.com/osmus/detroit-mapping-challenge").append("span").text("About these layers");
+      container = container.merge(containerEnter);
+      var ul = container.selectAll(".layer-list-vectortile");
+      var li = ul.selectAll(".list-item").data(vtData);
+      li.exit().remove();
+      var liEnter = li.enter().append("li").attr("class", function(d) {
+        return "list-item list-item-" + d.src;
+      });
+      var labelEnter = liEnter.append("label").each(function(d) {
+        select_default2(this).call(
+          uiTooltip().title(d.tooltip).placement("top")
+        );
+      });
+      labelEnter.append("input").attr("type", "radio").attr("name", "vectortile").on("change", selectVTLayer);
+      labelEnter.append("span").text(function(d) {
+        return d.name;
+      });
+      li.merge(liEnter).classed("active", isVTLayerSelected).selectAll("input").property("checked", isVTLayerSelected);
+      function isVTLayerSelected(d) {
+        return dataLayer && dataLayer.template() === d.template;
+      }
+      function selectVTLayer(d3_event, d) {
+        corePreferences("settings-custom-data-url", d.template);
+        if (dataLayer) {
+          dataLayer.template(d.template, d.src);
+          dataLayer.enabled(true);
+        }
+      }
+    }
+    function drawCustomDataItems(selection2) {
+      var dataLayer = layers.layer("data");
+      var hasData = dataLayer && dataLayer.hasData();
+      var showsData = hasData && dataLayer.enabled();
+      var ul = selection2.selectAll(".layer-list-data").data(dataLayer ? [0] : []);
+      ul.exit().remove();
+      var ulEnter = ul.enter().append("ul").attr("class", "layer-list layer-list-data");
+      var liEnter = ulEnter.append("li").attr("class", "list-item-data");
+      var labelEnter = liEnter.append("label").call(
+        uiTooltip().title(() => _t.append("map_data.layers.custom.tooltip")).placement("top")
+      );
+      labelEnter.append("input").attr("type", "checkbox").on("change", function() {
+        toggleLayer("data");
+      });
+      labelEnter.append("span").call(_t.append("map_data.layers.custom.title"));
+      liEnter.append("button").attr("class", "open-data-options").call(
+        uiTooltip().title(() => _t.append("settings.custom_data.tooltip")).placement(_mainLocalizer.textDirection() === "rtl" ? "right" : "left")
+      ).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        editCustom();
+      }).call(svgIcon("#iD-icon-more"));
+      liEnter.append("button").attr("class", "zoom-to-data").call(
+        uiTooltip().title(() => _t.append("map_data.layers.custom.zoom")).placement(_mainLocalizer.textDirection() === "rtl" ? "right" : "left")
+      ).on("click", function(d3_event) {
+        if (select_default2(this).classed("disabled"))
+          return;
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        dataLayer.fitZoom();
+      }).call(svgIcon("#iD-icon-framed-dot", "monochrome"));
+      ul = ul.merge(ulEnter);
+      ul.selectAll(".list-item-data").classed("active", showsData).selectAll("label").classed("deemphasize", !hasData).selectAll("input").property("disabled", !hasData).property("checked", showsData);
+      ul.selectAll("button.zoom-to-data").classed("disabled", !hasData);
+    }
+    function editCustom() {
+      context.container().call(settingsCustomData);
+    }
+    function customChanged(d) {
+      var dataLayer = layers.layer("data");
+      if (d && d.url) {
+        dataLayer.url(d.url);
+      } else if (d && d.fileList) {
+        dataLayer.fileList(d.fileList);
+      }
+    }
+    function drawPanelItems(selection2) {
+      var panelsListEnter = selection2.selectAll(".md-extras-list").data([0]).enter().append("ul").attr("class", "layer-list md-extras-list");
+      var historyPanelLabelEnter = panelsListEnter.append("li").attr("class", "history-panel-toggle-item").append("label").call(
+        uiTooltip().title(() => _t.append("map_data.history_panel.tooltip")).keys([uiCmd("\u2318\u21E7" + _t("info_panels.history.key"))]).placement("top")
+      );
+      historyPanelLabelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event) {
+        d3_event.preventDefault();
+        context.ui().info.toggle("history");
+      });
+      historyPanelLabelEnter.append("span").call(_t.append("map_data.history_panel.title"));
+      var measurementPanelLabelEnter = panelsListEnter.append("li").attr("class", "measurement-panel-toggle-item").append("label").call(
+        uiTooltip().title(() => _t.append("map_data.measurement_panel.tooltip")).keys([uiCmd("\u2318\u21E7" + _t("info_panels.measurement.key"))]).placement("top")
+      );
+      measurementPanelLabelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event) {
+        d3_event.preventDefault();
+        context.ui().info.toggle("measurement");
+      });
+      measurementPanelLabelEnter.append("span").call(_t.append("map_data.measurement_panel.title"));
+    }
+    context.layers().on("change.uiSectionDataLayers", section.reRender);
+    context.map().on(
+      "move.uiSectionDataLayers",
+      debounce_default(function() {
+        window.requestIdleCallback(section.reRender);
+      }, 1e3)
+    );
+    return section;
+  }
+
+  // modules/ui/sections/map_features.js
+  function uiSectionMapFeatures(context) {
+    var _features = context.features().keys();
+    var section = uiSection("map-features", context).label(() => _t.append("map_data.map_features")).disclosureContent(renderDisclosureContent).expandedByDefault(false);
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".layer-feature-list-container").data([0]);
+      var containerEnter = container.enter().append("div").attr("class", "layer-feature-list-container");
+      containerEnter.append("ul").attr("class", "layer-list layer-feature-list");
+      var footer = containerEnter.append("div").attr("class", "feature-list-links section-footer");
+      footer.append("a").attr("class", "feature-list-link").attr("role", "button").attr("href", "#").call(_t.append("issues.disable_all")).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        context.features().disableAll();
+      });
+      footer.append("a").attr("class", "feature-list-link").attr("role", "button").attr("href", "#").call(_t.append("issues.enable_all")).on("click", function(d3_event) {
+        d3_event.preventDefault();
+        context.features().enableAll();
+      });
+      container = container.merge(containerEnter);
+      container.selectAll(".layer-feature-list").call(drawListItems, _features, "checkbox", "feature", clickFeature, showsFeature);
+    }
+    function drawListItems(selection2, data, type2, name, change, active) {
+      var items = selection2.selectAll("li").data(data);
+      items.exit().remove();
+      var enter = items.enter().append("li").call(
+        uiTooltip().title(function(d) {
+          var tip = _t.append(name + "." + d + ".tooltip");
+          if (autoHiddenFeature(d)) {
+            var msg = showsLayer("osm") ? _t.append("map_data.autohidden") : _t.append("map_data.osmhidden");
+            return (selection3) => {
+              selection3.call(tip);
+              selection3.append("div").call(msg);
+            };
+          }
+          return tip;
+        }).placement("top")
+      );
+      var label = enter.append("label");
+      label.append("input").attr("type", type2).attr("name", name).on("change", change);
+      label.append("span").html(function(d) {
+        return _t.html(name + "." + d + ".description");
+      });
+      items = items.merge(enter);
+      items.classed("active", active).selectAll("input").property("checked", active).property("indeterminate", autoHiddenFeature);
+    }
+    function autoHiddenFeature(d) {
+      return context.features().autoHidden(d);
+    }
+    function showsFeature(d) {
+      return context.features().enabled(d);
+    }
+    function clickFeature(d3_event, d) {
+      context.features().toggle(d);
+    }
+    function showsLayer(id2) {
+      var layer = context.layers().layer(id2);
+      return layer && layer.enabled();
+    }
+    context.features().on("change.map_features", section.reRender);
+    return section;
+  }
+
+  // modules/ui/sections/map_style_options.js
+  function uiSectionMapStyleOptions(context) {
+    var section = uiSection("fill-area", context).label(() => _t.append("map_data.style_options")).disclosureContent(renderDisclosureContent).expandedByDefault(false);
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".layer-fill-list").data([0]);
+      container.enter().append("ul").attr("class", "layer-list layer-fill-list").merge(container).call(drawListItems, context.map().areaFillOptions, "radio", "area_fill", setFill, isActiveFill);
+      var container2 = selection2.selectAll(".layer-visual-diff-list").data([0]);
+      container2.enter().append("ul").attr("class", "layer-list layer-visual-diff-list").merge(container2).call(drawListItems, ["highlight_edits"], "checkbox", "visual_diff", toggleHighlightEdited, function() {
+        return context.surface().classed("highlight-edited");
+      });
+    }
+    function drawListItems(selection2, data, type2, name, change, active) {
+      var items = selection2.selectAll("li").data(data);
+      items.exit().remove();
+      var enter = items.enter().append("li").call(
+        uiTooltip().title(function(d) {
+          return _t.append(name + "." + d + ".tooltip");
+        }).keys(function(d) {
+          var key = d === "wireframe" ? _t("area_fill.wireframe.key") : null;
+          if (d === "highlight_edits")
+            key = _t("map_data.highlight_edits.key");
+          return key ? [key] : null;
+        }).placement("top")
+      );
+      var label = enter.append("label");
+      label.append("input").attr("type", type2).attr("name", name).on("change", change);
+      label.append("span").html(function(d) {
+        return _t.html(name + "." + d + ".description");
+      });
+      items = items.merge(enter);
+      items.classed("active", active).selectAll("input").property("checked", active).property("indeterminate", false);
+    }
+    function isActiveFill(d) {
+      return context.map().activeAreaFill() === d;
+    }
+    function toggleHighlightEdited(d3_event) {
+      d3_event.preventDefault();
+      context.map().toggleHighlightEdited();
+    }
+    function setFill(d3_event, d) {
+      context.map().activeAreaFill(d);
+    }
+    context.map().on("changeHighlighting.ui_style, changeAreaFill.ui_style", section.reRender);
+    return section;
+  }
+
+  // modules/ui/sections/photo_overlays.js
+  function uiSectionPhotoOverlays(context) {
+    var layers = context.layers();
+    var section = uiSection("photo-overlays", context).label(() => _t.append("photo_overlays.title")).disclosureContent(renderDisclosureContent).expandedByDefault(false);
+    function renderDisclosureContent(selection2) {
+      var container = selection2.selectAll(".photo-overlay-container").data([0]);
+      container.enter().append("div").attr("class", "photo-overlay-container").merge(container).call(drawPhotoItems).call(drawPhotoTypeItems).call(drawDateFilter).call(drawUsernameFilter);
+    }
+    function drawPhotoItems(selection2) {
+      var photoKeys = context.photos().overlayLayerIDs();
+      var photoLayers = layers.all().filter(function(obj) {
+        return photoKeys.indexOf(obj.id) !== -1;
+      });
+      var data = photoLayers.filter(function(obj) {
+        return obj.layer.supported();
+      });
+      function layerSupported(d) {
+        return d.layer && d.layer.supported();
+      }
+      function layerEnabled(d) {
+        return layerSupported(d) && d.layer.enabled();
+      }
+      var ul = selection2.selectAll(".layer-list-photos").data([0]);
+      ul = ul.enter().append("ul").attr("class", "layer-list layer-list-photos").merge(ul);
+      var li = ul.selectAll(".list-item-photos").data(data);
+      li.exit().remove();
+      var liEnter = li.enter().append("li").attr("class", function(d) {
+        var classes = "list-item-photos list-item-" + d.id;
+        if (d.id === "mapillary-signs" || d.id === "mapillary-map-features") {
+          classes += " indented";
+        }
+        return classes;
+      });
+      var labelEnter = liEnter.append("label").each(function(d) {
+        var titleID;
+        if (d.id === "mapillary-signs")
+          titleID = "mapillary.signs.tooltip";
+        else if (d.id === "mapillary")
+          titleID = "mapillary_images.tooltip";
+        else if (d.id === "kartaview")
+          titleID = "kartaview_images.tooltip";
+        else
+          titleID = d.id.replace(/-/g, "_") + ".tooltip";
+        select_default2(this).call(
+          uiTooltip().title(() => _t.append(titleID)).placement("top")
+        );
+      });
+      labelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event, d) {
+        toggleLayer(d.id);
+      });
+      labelEnter.append("span").html(function(d) {
+        var id2 = d.id;
+        if (id2 === "mapillary-signs")
+          id2 = "photo_overlays.traffic_signs";
+        return _t.html(id2.replace(/-/g, "_") + ".title");
+      });
+      li.merge(liEnter).classed("active", layerEnabled).selectAll("input").property("checked", layerEnabled);
+    }
+    function drawPhotoTypeItems(selection2) {
+      var data = context.photos().allPhotoTypes();
+      function typeEnabled(d) {
+        return context.photos().showsPhotoType(d);
+      }
+      var ul = selection2.selectAll(".layer-list-photo-types").data([0]);
+      ul.exit().remove();
+      ul = ul.enter().append("ul").attr("class", "layer-list layer-list-photo-types").merge(ul);
+      var li = ul.selectAll(".list-item-photo-types").data(context.photos().shouldFilterByPhotoType() ? data : []);
+      li.exit().remove();
+      var liEnter = li.enter().append("li").attr("class", function(d) {
+        return "list-item-photo-types list-item-" + d;
+      });
+      var labelEnter = liEnter.append("label").each(function(d) {
+        select_default2(this).call(
+          uiTooltip().title(() => _t.append("photo_overlays.photo_type." + d + ".tooltip")).placement("top")
+        );
+      });
+      labelEnter.append("input").attr("type", "checkbox").on("change", function(d3_event, d) {
+        context.photos().togglePhotoType(d);
+      });
+      labelEnter.append("span").html(function(d) {
+        return _t.html("photo_overlays.photo_type." + d + ".title");
+      });
+      li.merge(liEnter).classed("active", typeEnabled).selectAll("input").property("checked", typeEnabled);
+    }
+    function drawDateFilter(selection2) {
+      var data = context.photos().dateFilters();
+      function filterEnabled(d) {
+        return context.photos().dateFilterValue(d);
+      }
+      var ul = selection2.selectAll(".layer-list-date-filter").data([0]);
+      ul.exit().remove();
+      ul = ul.enter().append("ul").attr("class", "layer-list layer-list-date-filter").merge(ul);
+      var li = ul.selectAll(".list-item-date-filter").data(context.photos().shouldFilterByDate() ? data : []);
+      li.exit().remove();
+      var liEnter = li.enter().append("li").attr("class", "list-item-date-filter");
+      var labelEnter = liEnter.append("label").each(function(d) {
+        select_default2(this).call(
+          uiTooltip().title(() => _t.append("photo_overlays.date_filter." + d + ".tooltip")).placement("top")
+        );
+      });
+      labelEnter.append("span").each(function(d) {
+        _t.append("photo_overlays.date_filter." + d + ".title")(select_default2(this));
+      });
+      labelEnter.append("input").attr("type", "date").attr("class", "list-item-input").attr("placeholder", _t("units.year_month_day")).call(utilNoAuto).each(function(d) {
+        utilGetSetValue(select_default2(this), context.photos().dateFilterValue(d) || "");
+      }).on("change", function(d3_event, d) {
+        var value = utilGetSetValue(select_default2(this)).trim();
+        context.photos().setDateFilter(d, value, true);
+        li.selectAll("input").each(function(d2) {
+          utilGetSetValue(select_default2(this), context.photos().dateFilterValue(d2) || "");
+        });
+      });
+      li = li.merge(liEnter).classed("active", filterEnabled);
+    }
+    function drawUsernameFilter(selection2) {
+      function filterEnabled() {
+        return context.photos().usernames();
+      }
+      var ul = selection2.selectAll(".layer-list-username-filter").data([0]);
+      ul.exit().remove();
+      ul = ul.enter().append("ul").attr("class", "layer-list layer-list-username-filter").merge(ul);
+      var li = ul.selectAll(".list-item-username-filter").data(context.photos().shouldFilterByUsername() ? ["username-filter"] : []);
+      li.exit().remove();
+      var liEnter = li.enter().append("li").attr("class", "list-item-username-filter");
+      var labelEnter = liEnter.append("label").each(function() {
+        select_default2(this).call(
+          uiTooltip().title(() => _t.append("photo_overlays.username_filter.tooltip")).placement("top")
+        );
+      });
+      labelEnter.append("span").call(_t.append("photo_overlays.username_filter.title"));
+      labelEnter.append("input").attr("type", "text").attr("class", "list-item-input").call(utilNoAuto).property("value", usernameValue).on("change", function() {
+        var value = select_default2(this).property("value");
+        context.photos().setUsernameFilter(value, true);
+        select_default2(this).property("value", usernameValue);
+      });
+      li.merge(liEnter).classed("active", filterEnabled);
+      function usernameValue() {
+        var usernames = context.photos().usernames();
+        if (usernames)
+          return usernames.join("; ");
+        return usernames;
+      }
+    }
+    function toggleLayer(which) {
+      setLayer(which, !showsLayer(which));
+    }
+    function showsLayer(which) {
+      var layer = layers.layer(which);
+      if (layer) {
+        return layer.enabled();
+      }
+      return false;
+    }
+    function setLayer(which, enabled) {
+      var layer = layers.layer(which);
+      if (layer) {
+        layer.enabled(enabled);
+      }
+    }
+    context.layers().on("change.uiSectionPhotoOverlays", section.reRender);
+    context.photos().on("change.uiSectionPhotoOverlays", section.reRender);
+    return section;
+  }
+
+  // modules/ui/panes/map_data.js
+  function uiPaneMapData(context) {
+    var mapDataPane = uiPane("map-data", context).key(_t("map_data.key")).label(_t.append("map_data.title")).description(_t.append("map_data.description")).iconName("iD-icon-data").sections([
+      uiSectionDataLayers(context),
+      uiSectionPhotoOverlays(context),
+      uiSectionMapStyleOptions(context),
+      uiSectionMapFeatures(context)
+    ]);
+    return mapDataPane;
+  }
+
+  // modules/ui/panes/preferences.js
+  function uiPanePreferences(context) {
+    let preferencesPane = uiPane("preferences", context).key(_t("preferences.key")).label(_t.append("preferences.title")).description(_t.append("preferences.description")).iconName("fas-user-cog").sections([
+      uiSectionPrivacy(context)
+    ]);
+    return preferencesPane;
+  }
+
+  // modules/ui/init.js
+  function uiInit(context) {
+    var _initCounter = 0;
+    var _needWidth = {};
+    var _lastPointerType;
+    function render(container) {
+      container.on("click.ui", function(d3_event) {
+        if (d3_event.button !== 0)
+          return;
+        if (!d3_event.composedPath)
+          return;
+        var isOkayTarget = d3_event.composedPath().some(function(node) {
+          return node.nodeType === 1 && // clicking <input> focuses it and/or changes a value
+          (node.nodeName === "INPUT" || // clicking <label> affects its <input> by default
+          node.nodeName === "LABEL" || // clicking <a> opens a hyperlink by default
+          node.nodeName === "A");
+        });
+        if (isOkayTarget)
+          return;
+        d3_event.preventDefault();
+      });
+      var detected = utilDetect();
+      if ("GestureEvent" in window && // Listening for gesture events on iOS 13.4+ breaks double-tapping,
+      // but we only need to do this on desktop Safari anyway. – #7694
+      !detected.isMobileWebKit) {
+        container.on("gesturestart.ui gesturechange.ui gestureend.ui", function(d3_event) {
+          d3_event.preventDefault();
+        });
+      }
+      if ("PointerEvent" in window) {
+        select_default2(window).on("pointerdown.ui pointerup.ui", function(d3_event) {
+          var pointerType = d3_event.pointerType || "mouse";
+          if (_lastPointerType !== pointerType) {
+            _lastPointerType = pointerType;
+            container.attr("pointer", pointerType);
+          }
+        }, true);
+      } else {
+        _lastPointerType = "mouse";
+        container.attr("pointer", "mouse");
+      }
+      container.attr("lang", _mainLocalizer.localeCode()).attr("dir", _mainLocalizer.textDirection());
+      container.call(uiFullScreen(context));
+      var map2 = context.map();
+      map2.redrawEnable(false);
+      map2.on("hitMinZoom.ui", function() {
+        ui.flash.iconName("#iD-icon-no").label(_t.append("cannot_zoom"))();
+      });
+      container.append("svg").attr("id", "ideditor-defs").call(ui.svgDefs);
+      container.append("div").attr("class", "sidebar").call(ui.sidebar);
+      var content = container.append("div").attr("class", "main-content active");
+      content.append("div").attr("class", "top-toolbar-wrap").append("div").attr("class", "top-toolbar fillD").call(uiTopToolbar(context));
+      content.append("div").attr("class", "main-map").attr("dir", "ltr").call(map2);
+      var overMap = content.append("div").attr("class", "over-map");
+      overMap.append("div").attr("class", "select-trap").text("t");
+      overMap.call(uiMapInMap(context)).call(uiNotice(context));
+      overMap.append("div").attr("class", "spinner").call(uiSpinner(context));
+      var controlsWrap = overMap.append("div").attr("class", "map-controls-wrap");
+      var controls = controlsWrap.append("div").attr("class", "map-controls");
+      controls.append("div").attr("class", "map-control zoombuttons").call(uiZoom(context));
+      controls.append("div").attr("class", "map-control zoom-to-selection-control").call(uiZoomToSelection(context));
+      controls.append("div").attr("class", "map-control geolocate-control").call(uiGeolocate(context));
+      controlsWrap.on("wheel.mapControls", function(d3_event) {
+        if (!d3_event.deltaX) {
+          controlsWrap.node().scrollTop += d3_event.deltaY;
+        }
+      });
+      var panes = overMap.append("div").attr("class", "map-panes");
+      var uiPanes = [
+        uiPaneBackground(context),
+        uiPaneMapData(context),
+        uiPaneIssues(context),
+        uiPanePreferences(context),
+        uiPaneHelp(context)
+      ];
+      uiPanes.forEach(function(pane) {
+        controls.append("div").attr("class", "map-control map-pane-control " + pane.id + "-control").call(pane.renderToggleButton);
+        panes.call(pane.renderPane);
+      });
+      ui.info = uiInfo(context);
+      overMap.call(ui.info);
+      overMap.append("div").attr("class", "photoviewer").classed("al", true).classed("hide", true).call(ui.photoviewer);
+      overMap.append("div").attr("class", "attribution-wrap").attr("dir", "ltr").call(uiAttribution(context));
+      var about = content.append("div").attr("class", "map-footer");
+      about.append("div").attr("class", "api-status").call(uiStatus(context));
+      var footer = about.append("div").attr("class", "map-footer-bar fillD");
+      footer.append("div").attr("class", "flash-wrap footer-hide");
+      var footerWrap = footer.append("div").attr("class", "main-footer-wrap footer-show");
+      footerWrap.append("div").attr("class", "scale-block").call(uiScale(context));
+      var aboutList = footerWrap.append("div").attr("class", "info-block").append("ul").attr("class", "map-footer-list");
+      aboutList.append("li").attr("class", "user-list").call(uiContributors(context));
+      var apiConnections = context.connection().apiConnections();
+      if (apiConnections && apiConnections.length > 1) {
+        aboutList.append("li").attr("class", "source-switch").call(
+          uiSourceSwitch(context).keys(apiConnections)
+        );
+      }
+      aboutList.append("li").attr("class", "issues-info").call(uiIssuesInfo(context));
+      aboutList.append("li").attr("class", "feature-warning").call(uiFeatureInfo(context));
+      var issueLinks = aboutList.append("li");
+      issueLinks.append("a").attr("target", "_blank").attr("href", "https://github.com/openstreetmap/iD/issues").attr("aria-label", _t("report_a_bug")).call(svgIcon("#iD-icon-bug", "light")).call(uiTooltip().title(() => _t.append("report_a_bug")).placement("top"));
+      issueLinks.append("a").attr("target", "_blank").attr("href", "https://github.com/openstreetmap/iD/blob/develop/CONTRIBUTING.md#translating").attr("aria-label", _t("help_translate")).call(svgIcon("#iD-icon-translate", "light")).call(uiTooltip().title(() => _t.append("help_translate")).placement("top"));
+      aboutList.append("li").attr("class", "version").call(uiVersion(context));
+      if (!context.embed()) {
+        aboutList.call(uiAccount(context));
+      }
+      ui.onResize();
+      map2.redrawEnable(true);
+      ui.hash = behaviorHash(context);
+      ui.hash();
+      if (!ui.hash.hadLocation) {
+        map2.centerZoom([0, 0], 2);
+      }
+      window.onbeforeunload = function() {
+        return context.save();
+      };
+      window.onunload = function() {
+        context.history().unlock();
+      };
+      select_default2(window).on("resize.editor", function() {
+        ui.onResize();
+      });
+      var panPixels = 80;
+      context.keybinding().on("\u232B", function(d3_event) {
+        d3_event.preventDefault();
+      }).on([_t("sidebar.key"), "`", "\xB2", "@"], ui.sidebar.toggle).on("\u2190", pan([panPixels, 0])).on("\u2191", pan([0, panPixels])).on("\u2192", pan([-panPixels, 0])).on("\u2193", pan([0, -panPixels])).on(uiCmd("\u2325\u2190"), pan([map2.dimensions()[0], 0])).on(uiCmd("\u2325\u2191"), pan([0, map2.dimensions()[1]])).on(uiCmd("\u2325\u2192"), pan([-map2.dimensions()[0], 0])).on(uiCmd("\u2325\u2193"), pan([0, -map2.dimensions()[1]])).on(uiCmd("\u2318" + _t("background.key")), function quickSwitch(d3_event) {
+        if (d3_event) {
+          d3_event.stopImmediatePropagation();
+          d3_event.preventDefault();
+        }
+        var previousBackground = context.background().findSource(corePreferences("background-last-used-toggle"));
+        if (previousBackground) {
+          var currentBackground = context.background().baseLayerSource();
+          corePreferences("background-last-used-toggle", currentBackground.id);
+          corePreferences("background-last-used", previousBackground.id);
+          context.background().baseLayerSource(previousBackground);
+        }
+      }).on(_t("area_fill.wireframe.key"), function toggleWireframe(d3_event) {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        context.map().toggleWireframe();
+      }).on(uiCmd("\u2325" + _t("area_fill.wireframe.key")), function toggleOsmData(d3_event) {
+        d3_event.preventDefault();
+        d3_event.stopPropagation();
+        var mode = context.mode();
+        if (mode && /^draw/.test(mode.id))
+          return;
+        var layer = context.layers().layer("osm");
+        if (layer) {
+          layer.enabled(!layer.enabled());
+          if (!layer.enabled()) {
+            context.enter(modeBrowse(context));
+          }
+        }
+      }).on(_t("map_data.highlight_edits.key"), function toggleHighlightEdited(d3_event) {
+        d3_event.preventDefault();
+        context.map().toggleHighlightEdited();
+      });
+      context.on("enter.editor", function(entered) {
+        container.classed("mode-" + entered.id, true);
+      }).on("exit.editor", function(exited) {
+        container.classed("mode-" + exited.id, false);
+      });
+      context.enter(modeBrowse(context));
+      if (!_initCounter++) {
+        if (!ui.hash.startWalkthrough) {
+          context.container().call(uiSplash(context)).call(uiRestore(context));
+        }
+        context.container().call(ui.shortcuts);
+      }
+      var osm = context.connection();
+      var auth = uiLoading(context).message(_t.html("loading_auth")).blocking(true);
+      if (osm && auth) {
+        osm.on("authLoading.ui", function() {
+          context.container().call(auth);
+        }).on("authDone.ui", function() {
+          auth.close();
+        });
+      }
+      _initCounter++;
+      if (ui.hash.startWalkthrough) {
+        ui.hash.startWalkthrough = false;
+        context.container().call(uiIntro(context));
+      }
+      function pan(d) {
+        return function(d3_event) {
+          if (d3_event.shiftKey)
+            return;
+          if (context.container().select(".combobox").size())
+            return;
+          d3_event.preventDefault();
+          context.map().pan(d, 100);
+        };
+      }
+    }
+    let ui = {};
+    let _loadPromise;
+    ui.ensureLoaded = () => {
+      if (_loadPromise)
+        return _loadPromise;
+      return _loadPromise = Promise.all([
+        // must have strings and presets before loading the UI
+        _mainLocalizer.ensureLoaded(),
+        _mainPresetIndex.ensureLoaded()
+      ]).then(() => {
+        if (!context.container().empty())
+          render(context.container());
+      }).catch((err) => console.error(err));
+    };
+    ui.restart = function() {
+      context.keybinding().clear();
+      _loadPromise = null;
+      context.container().selectAll("*").remove();
+      ui.ensureLoaded();
+    };
+    ui.lastPointerType = function() {
+      return _lastPointerType;
+    };
+    ui.svgDefs = svgDefs(context);
+    ui.flash = uiFlash(context);
+    ui.sidebar = uiSidebar(context);
+    ui.photoviewer = uiPhotoviewer(context);
+    ui.shortcuts = uiShortcuts(context);
+    ui.onResize = function(withPan) {
+      var map2 = context.map();
+      var mapDimensions = utilGetDimensions(context.container().select(".main-content"), true);
+      utilGetDimensions(context.container().select(".sidebar"), true);
+      if (withPan !== void 0) {
+        map2.redrawEnable(false);
+        map2.pan(withPan);
+        map2.redrawEnable(true);
+      }
+      map2.dimensions(mapDimensions);
+      ui.photoviewer.onMapResize();
+      ui.checkOverflow(".top-toolbar");
+      ui.checkOverflow(".map-footer-bar");
+      var resizeWindowEvent = document.createEvent("Event");
+      resizeWindowEvent.initEvent("resizeWindow", true, true);
+      document.dispatchEvent(resizeWindowEvent);
+    };
+    ui.checkOverflow = function(selector, reset) {
+      if (reset) {
+        delete _needWidth[selector];
+      }
+      var selection2 = context.container().select(selector);
+      if (selection2.empty())
+        return;
+      var scrollWidth = selection2.property("scrollWidth");
+      var clientWidth = selection2.property("clientWidth");
+      var needed = _needWidth[selector] || scrollWidth;
+      if (scrollWidth > clientWidth) {
+        selection2.classed("narrow", true);
+        if (!_needWidth[selector]) {
+          _needWidth[selector] = scrollWidth;
+        }
+      } else if (scrollWidth >= needed) {
+        selection2.classed("narrow", false);
+      }
+    };
+    ui.togglePanes = function(showPane) {
+      var hidePanes = context.container().selectAll(".map-pane.shown");
+      var side = _mainLocalizer.textDirection() === "ltr" ? "right" : "left";
+      hidePanes.classed("shown", false).classed("hide", true);
+      context.container().selectAll(".map-pane-control button").classed("active", false);
+      if (showPane) {
+        hidePanes.classed("shown", false).classed("hide", true).style(side, "-500px");
+        context.container().selectAll("." + showPane.attr("pane") + "-control button").classed("active", true);
+        showPane.classed("shown", true).classed("hide", false);
+        if (hidePanes.empty()) {
+          showPane.style(side, "-500px").transition().duration(200).style(side, "0px");
+        } else {
+          showPane.style(side, "0px");
+        }
+      } else {
+        hidePanes.classed("shown", true).classed("hide", false).style(side, "0px").transition().duration(200).style(side, "-500px").on("end", function() {
+          select_default2(this).classed("shown", false).classed("hide", true);
+        });
+      }
+    };
+    var _editMenu = uiEditMenu(context);
+    ui.editMenu = function() {
+      return _editMenu;
+    };
+    ui.showEditMenu = function(anchorPoint, triggerType, operations) {
+      ui.closeEditMenu();
+      if (!operations && context.mode().operations)
+        operations = context.mode().operations();
+      if (!operations || !operations.length)
+        return;
+      if (!context.map().editableDataEnabled())
+        return;
+      var surfaceNode = context.surface().node();
+      if (surfaceNode.focus) {
+        surfaceNode.focus();
+      }
+      operations.forEach(function(operation) {
+        if (operation.point)
+          operation.point(anchorPoint);
+      });
+      _editMenu.anchorLoc(anchorPoint).triggerType(triggerType).operations(operations);
+      context.map().supersurface.call(_editMenu);
+    };
+    ui.closeEditMenu = function() {
+      context.map().supersurface.select(".edit-menu").remove();
+    };
+    var _saveLoading = select_default2(null);
+    context.uploader().on("saveStarted.ui", function() {
+      _saveLoading = uiLoading(context).message(_t.html("save.uploading")).blocking(true);
+      context.container().call(_saveLoading);
+    }).on("saveEnded.ui", function() {
+      _saveLoading.close();
+      _saveLoading = select_default2(null);
+    });
+    return ui;
+  }
+
+  // modules/core/context.js
+  function coreContext() {
+    const dispatch10 = dispatch_default("enter", "exit", "change");
+    let context = utilRebind({}, dispatch10, "on");
+    let _deferred2 = /* @__PURE__ */ new Set();
+    context.version = package_default.version;
+    context.privacyVersion = "20201202";
+    context.initialHashParams = window.location.hash ? utilStringQs(window.location.hash) : {};
+    context.changeset = null;
+    let _defaultChangesetComment = context.initialHashParams.comment;
+    let _defaultChangesetSource = context.initialHashParams.source;
+    let _defaultChangesetHashtags = context.initialHashParams.hashtags;
+    context.defaultChangesetComment = function(val) {
+      if (!arguments.length)
+        return _defaultChangesetComment;
+      _defaultChangesetComment = val;
+      return context;
+    };
+    context.defaultChangesetSource = function(val) {
+      if (!arguments.length)
+        return _defaultChangesetSource;
+      _defaultChangesetSource = val;
+      return context;
+    };
+    context.defaultChangesetHashtags = function(val) {
+      if (!arguments.length)
+        return _defaultChangesetHashtags;
+      _defaultChangesetHashtags = val;
+      return context;
+    };
+    let _setsDocumentTitle = true;
+    context.setsDocumentTitle = function(val) {
+      if (!arguments.length)
+        return _setsDocumentTitle;
+      _setsDocumentTitle = val;
+      return context;
+    };
+    let _documentTitleBase = document.title;
+    context.documentTitleBase = function(val) {
+      if (!arguments.length)
+        return _documentTitleBase;
+      _documentTitleBase = val;
+      return context;
+    };
+    let _ui;
+    context.ui = () => _ui;
+    context.lastPointerType = () => _ui.lastPointerType();
+    let _keybinding = utilKeybinding("context");
+    context.keybinding = () => _keybinding;
+    select_default2(document).call(_keybinding);
+    let _connection = services.osm;
+    let _history;
+    let _validator;
+    let _uploader;
+    context.connection = () => _connection;
+    context.history = () => _history;
+    context.validator = () => _validator;
+    context.uploader = () => _uploader;
+    context.preauth = (options2) => {
+      if (_connection) {
+        _connection.switch(options2);
+      }
+      return context;
+    };
+    context.locale = function(locale2) {
+      if (!arguments.length)
+        return _mainLocalizer.localeCode();
+      _mainLocalizer.preferredLocaleCodes(locale2);
+      return context;
+    };
+    function afterLoad(cid, callback) {
+      return (err, result) => {
+        if (err) {
+          if (err.status === 400 || err.status === 401 || err.status === 403) {
+            if (_connection) {
+              _connection.logout();
+            }
+          }
+          if (typeof callback === "function") {
+            callback(err);
+          }
+          return;
+        } else if (_connection && _connection.getConnectionId() !== cid) {
+          if (typeof callback === "function") {
+            callback({ message: "Connection Switched", status: -1 });
+          }
+          return;
+        } else {
+          _history.merge(result.data, result.extent);
+          if (typeof callback === "function") {
+            callback(err, result);
+          }
+          return;
+        }
+      };
+    }
+    context.loadTiles = (projection2, callback) => {
+      const handle = window.requestIdleCallback(() => {
+        _deferred2.delete(handle);
+        if (_connection && context.editableDataEnabled()) {
+          const cid = _connection.getConnectionId();
+          _connection.loadTiles(projection2, afterLoad(cid, callback));
+        }
+      });
+      _deferred2.add(handle);
+    };
+    context.loadTileAtLoc = (loc, callback) => {
+      const handle = window.requestIdleCallback(() => {
+        _deferred2.delete(handle);
+        if (_connection && context.editableDataEnabled()) {
+          const cid = _connection.getConnectionId();
+          _connection.loadTileAtLoc(loc, afterLoad(cid, callback));
+        }
+      });
+      _deferred2.add(handle);
+    };
+    context.loadEntity = (entityID, callback) => {
+      if (_connection) {
+        const cid = _connection.getConnectionId();
+        _connection.loadEntity(entityID, afterLoad(cid, callback));
+        _connection.loadEntityRelations(entityID, afterLoad(cid, callback));
+      }
+    };
+    context.zoomToEntity = (entityID, zoomTo) => {
+      context.loadEntity(entityID, (err, result) => {
+        if (err)
+          return;
+        if (zoomTo !== false) {
+          const entity = result.data.find((e) => e.id === entityID);
+          if (entity) {
+            _map.zoomTo(entity);
+          }
+        }
+      });
+      _map.on("drawn.zoomToEntity", () => {
+        if (!context.hasEntity(entityID))
+          return;
+        _map.on("drawn.zoomToEntity", null);
+        context.on("enter.zoomToEntity", null);
+        context.enter(modeSelect(context, [entityID]));
+      });
+      context.on("enter.zoomToEntity", () => {
+        if (_mode.id !== "browse") {
+          _map.on("drawn.zoomToEntity", null);
+          context.on("enter.zoomToEntity", null);
+        }
+      });
+    };
+    let _minEditableZoom = 16;
+    context.minEditableZoom = function(val) {
+      if (!arguments.length)
+        return _minEditableZoom;
+      _minEditableZoom = val;
+      if (_connection) {
+        _connection.tileZoom(val);
+      }
+      return context;
+    };
+    context.maxCharsForTagKey = () => 255;
+    context.maxCharsForTagValue = () => 255;
+    context.maxCharsForRelationRole = () => 255;
+    context.cleanTagKey = (val) => utilCleanOsmString(val, context.maxCharsForTagKey());
+    context.cleanTagValue = (val) => utilCleanOsmString(val, context.maxCharsForTagValue());
+    context.cleanRelationRole = (val) => utilCleanOsmString(val, context.maxCharsForRelationRole());
+    let _inIntro = false;
+    context.inIntro = function(val) {
+      if (!arguments.length)
+        return _inIntro;
+      _inIntro = val;
+      return context;
+    };
+    context.save = () => {
+      if (_inIntro || context.container().select(".modal").size())
+        return;
+      let canSave;
+      if (_mode && _mode.id === "save") {
+        canSave = false;
+        if (services.osm && services.osm.isChangesetInflight()) {
+          _history.clearSaved();
+          return;
+        }
+      } else {
+        canSave = context.selectedIDs().every((id2) => {
+          const entity = context.hasEntity(id2);
+          return entity && !entity.isDegenerate();
+        });
+      }
+      if (canSave) {
+        _history.save();
+      }
+      if (_history.hasChanges()) {
+        return _t("save.unsaved_changes");
+      }
+    };
+    context.debouncedSave = debounce_default(context.save, 350);
+    function withDebouncedSave(fn) {
+      return function() {
+        const result = fn.apply(_history, arguments);
+        context.debouncedSave();
+        return result;
+      };
+    }
+    context.hasEntity = (id2) => _history.graph().hasEntity(id2);
+    context.entity = (id2) => _history.graph().entity(id2);
+    let _mode;
+    context.mode = () => _mode;
+    context.enter = (newMode) => {
+      if (_mode) {
+        _mode.exit();
+        dispatch10.call("exit", this, _mode);
+      }
+      _mode = newMode;
+      _mode.enter();
+      dispatch10.call("enter", this, _mode);
+    };
+    context.selectedIDs = () => _mode && _mode.selectedIDs && _mode.selectedIDs() || [];
+    context.activeID = () => _mode && _mode.activeID && _mode.activeID();
+    let _selectedNoteID;
+    context.selectedNoteID = function(noteID) {
+      if (!arguments.length)
+        return _selectedNoteID;
+      _selectedNoteID = noteID;
+      return context;
+    };
+    let _selectedErrorID;
+    context.selectedErrorID = function(errorID) {
+      if (!arguments.length)
+        return _selectedErrorID;
+      _selectedErrorID = errorID;
+      return context;
+    };
+    context.install = (behavior) => context.surface().call(behavior);
+    context.uninstall = (behavior) => context.surface().call(behavior.off);
+    let _copyGraph;
+    context.copyGraph = () => _copyGraph;
+    let _copyIDs = [];
+    context.copyIDs = function(val) {
+      if (!arguments.length)
+        return _copyIDs;
+      _copyIDs = val;
+      _copyGraph = _history.graph();
+      return context;
+    };
+    let _copyLonLat;
+    context.copyLonLat = function(val) {
+      if (!arguments.length)
+        return _copyLonLat;
+      _copyLonLat = val;
+      return context;
+    };
+    let _background;
+    context.background = () => _background;
+    let _features;
+    context.features = () => _features;
+    context.hasHiddenConnections = (id2) => {
+      const graph = _history.graph();
+      const entity = graph.entity(id2);
+      return _features.hasHiddenConnections(entity, graph);
+    };
+    let _photos;
+    context.photos = () => _photos;
+    let _map;
+    context.map = () => _map;
+    context.layers = () => _map.layers();
+    context.surface = () => _map.surface;
+    context.editableDataEnabled = () => _map.editableDataEnabled();
+    context.surfaceRect = () => _map.surface.node().getBoundingClientRect();
+    context.editable = () => {
+      const mode = context.mode();
+      if (!mode || mode.id === "save")
+        return false;
+      return _map.editableDataEnabled();
+    };
+    let _debugFlags = {
+      tile: false,
+      // tile boundaries
+      collision: false,
+      // label collision bounding boxes
+      imagery: false,
+      // imagery bounding polygons
+      target: false,
+      // touch targets
+      downloaded: false
+      // downloaded data from osm
+    };
+    context.debugFlags = () => _debugFlags;
+    context.getDebug = (flag) => flag && _debugFlags[flag];
+    context.setDebug = function(flag, val) {
+      if (arguments.length === 1)
+        val = true;
+      _debugFlags[flag] = val;
+      dispatch10.call("change");
+      return context;
+    };
+    let _container = select_default2(null);
+    context.container = function(val) {
+      if (!arguments.length)
+        return _container;
+      _container = val;
+      _container.classed("ideditor", true);
+      return context;
+    };
+    context.containerNode = function(val) {
+      if (!arguments.length)
+        return context.container().node();
+      context.container(select_default2(val));
+      return context;
+    };
+    let _embed;
+    context.embed = function(val) {
+      if (!arguments.length)
+        return _embed;
+      _embed = val;
+      return context;
+    };
+    let _assetPath = "";
+    context.assetPath = function(val) {
+      if (!arguments.length)
+        return _assetPath;
+      _assetPath = val;
+      _mainFileFetcher.assetPath(val);
+      return context;
+    };
+    let _assetMap = {};
+    context.assetMap = function(val) {
+      if (!arguments.length)
+        return _assetMap;
+      _assetMap = val;
+      _mainFileFetcher.assetMap(val);
+      return context;
+    };
+    context.asset = (val) => {
+      if (/^http(s)?:\/\//i.test(val))
+        return val;
+      const filename = _assetPath + val;
+      return _assetMap[filename] || filename;
+    };
+    context.imagePath = (val) => context.asset(`img/${val}`);
+    context.reset = context.flush = () => {
+      context.debouncedSave.cancel();
+      Array.from(_deferred2).forEach((handle) => {
+        window.cancelIdleCallback(handle);
+        _deferred2.delete(handle);
+      });
+      Object.values(services).forEach((service) => {
+        if (service && typeof service.reset === "function") {
+          service.reset(context);
+        }
+      });
+      context.changeset = null;
+      _validator.reset();
+      _features.reset();
+      _history.reset();
+      _uploader.reset();
+      context.container().select(".inspector-wrap *").remove();
+      return context;
+    };
+    context.projection = geoRawMercator();
+    context.curtainProjection = geoRawMercator();
+    context.init = () => {
+      instantiateInternal();
+      initializeDependents();
+      return context;
+      function instantiateInternal() {
+        _history = coreHistory(context);
+        context.graph = _history.graph;
+        context.pauseChangeDispatch = _history.pauseChangeDispatch;
+        context.resumeChangeDispatch = _history.resumeChangeDispatch;
+        context.perform = withDebouncedSave(_history.perform);
+        context.replace = withDebouncedSave(_history.replace);
+        context.pop = withDebouncedSave(_history.pop);
+        context.overwrite = withDebouncedSave(_history.overwrite);
+        context.undo = withDebouncedSave(_history.undo);
+        context.redo = withDebouncedSave(_history.redo);
+        _validator = coreValidator(context);
+        _uploader = coreUploader(context);
+        _background = rendererBackground(context);
+        _features = rendererFeatures(context);
+        _map = rendererMap(context);
+        _photos = rendererPhotos(context);
+        _ui = uiInit(context);
+      }
+      function initializeDependents() {
+        if (context.initialHashParams.presets) {
+          _mainPresetIndex.addablePresetIDs(new Set(context.initialHashParams.presets.split(",")));
+        }
+        if (context.initialHashParams.locale) {
+          _mainLocalizer.preferredLocaleCodes(context.initialHashParams.locale);
+        }
+        _mainLocalizer.ensureLoaded();
+        _mainPresetIndex.ensureLoaded();
+        _background.ensureLoaded();
+        Object.values(services).forEach((service) => {
+          if (service && typeof service.init === "function") {
+            service.init();
+          }
+        });
+        _map.init();
+        _validator.init();
+        _features.init();
+        if (services.maprules && context.initialHashParams.maprules) {
+          json_default(context.initialHashParams.maprules).then((mapcss) => {
+            services.maprules.init();
+            mapcss.forEach((mapcssSelector) => services.maprules.addRule(mapcssSelector));
+          }).catch(() => {
+          });
+        }
+        if (!context.container().empty()) {
+          _ui.ensureLoaded().then(() => {
+            _background.init();
+            _photos.init();
+          });
+        }
+      }
+    };
+    return context;
+  }
+
+  // modules/services/nominatim.js
+  var apibase = nominatimApiUrl;
+  var _inflight = {};
+  var _nominatimCache;
+  var nominatim_default = {
+    init: function() {
+      _inflight = {};
+      _nominatimCache = new import_rbush7.default();
+    },
+    reset: function() {
+      Object.values(_inflight).forEach(function(controller) {
+        controller.abort();
+      });
+      _inflight = {};
+      _nominatimCache = new import_rbush7.default();
+    },
+    countryCode: function(location, callback) {
+      this.reverse(location, function(err, result) {
+        if (err) {
+          return callback(err);
+        } else if (result.address) {
+          return callback(null, result.address.country_code);
+        } else {
+          return callback("Unable to geocode", null);
+        }
+      });
+    },
+    reverse: function(loc, callback) {
+      var cached = _nominatimCache.search(
+        { minX: loc[0], minY: loc[1], maxX: loc[0], maxY: loc[1] }
+      );
+      if (cached.length > 0) {
+        if (callback)
+          callback(null, cached[0].data);
+        return;
+      }
+      var params = { zoom: 13, format: "json", addressdetails: 1, lat: loc[1], lon: loc[0] };
+      var url = apibase + "reverse?" + utilQsString(params);
+      if (_inflight[url])
+        return;
+      var controller = new AbortController();
+      _inflight[url] = controller;
+      json_default(url, {
+        signal: controller.signal,
+        headers: {
+          "Accept-Language": _mainLocalizer.localeCodes().join(",")
+        }
+      }).then(function(result) {
+        delete _inflight[url];
+        if (result && result.error) {
+          throw new Error(result.error);
+        }
+        var extent = geoExtent(loc).padByMeters(200);
+        _nominatimCache.insert(Object.assign(extent.bbox(), { data: result }));
+        if (callback)
+          callback(null, result);
+      }).catch(function(err) {
+        delete _inflight[url];
+        if (err.name === "AbortError")
+          return;
+        if (callback)
+          callback(err.message);
+      });
+    },
+    search: function(val, callback) {
+      var searchVal = encodeURIComponent(val);
+      var url = apibase + "search/" + searchVal + "?limit=10&format=json";
+      if (_inflight[url])
+        return;
+      var controller = new AbortController();
+      _inflight[url] = controller;
+      json_default(url, {
+        signal: controller.signal,
+        headers: {
+          "Accept-Language": _mainLocalizer.localeCodes().join(",")
+        }
+      }).then(function(result) {
+        delete _inflight[url];
+        if (result && result.error) {
+          throw new Error(result.error);
+        }
+        if (callback)
+          callback(null, result);
+      }).catch(function(err) {
+        delete _inflight[url];
+        if (err.name === "AbortError")
+          return;
+        if (callback)
+          callback(err.message);
+      });
+    }
+  };
+
+  // node_modules/name-suggestion-index/lib/matcher.js
+  var import_which_polygon4 = __toESM(require_which_polygon(), 1);
+
+  // node_modules/name-suggestion-index/lib/simplify.js
+  var import_diacritics3 = __toESM(require_diacritics(), 1);
+  function simplify2(str2) {
+    if (typeof str2 !== "string")
+      return "";
+    return import_diacritics3.default.remove(
+      str2.replace(/&/g, "and").replace(/İ/ig, "i").replace(/[\s\-=_!"#%'*{},.\/:;?\(\)\[\]@\\$\^*+<>«»~`’\u00a1\u00a7\u00b6\u00b7\u00bf\u037e\u0387\u055a-\u055f\u0589\u05c0\u05c3\u05c6\u05f3\u05f4\u0609\u060a\u060c\u060d\u061b\u061e\u061f\u066a-\u066d\u06d4\u0700-\u070d\u07f7-\u07f9\u0830-\u083e\u085e\u0964\u0965\u0970\u0af0\u0df4\u0e4f\u0e5a\u0e5b\u0f04-\u0f12\u0f14\u0f85\u0fd0-\u0fd4\u0fd9\u0fda\u104a-\u104f\u10fb\u1360-\u1368\u166d\u166e\u16eb-\u16ed\u1735\u1736\u17d4-\u17d6\u17d8-\u17da\u1800-\u1805\u1807-\u180a\u1944\u1945\u1a1e\u1a1f\u1aa0-\u1aa6\u1aa8-\u1aad\u1b5a-\u1b60\u1bfc-\u1bff\u1c3b-\u1c3f\u1c7e\u1c7f\u1cc0-\u1cc7\u1cd3\u2000-\u206f\u2cf9-\u2cfc\u2cfe\u2cff\u2d70\u2e00-\u2e7f\u3001-\u3003\u303d\u30fb\ua4fe\ua4ff\ua60d-\ua60f\ua673\ua67e\ua6f2-\ua6f7\ua874-\ua877\ua8ce\ua8cf\ua8f8-\ua8fa\ua92e\ua92f\ua95f\ua9c1-\ua9cd\ua9de\ua9df\uaa5c-\uaa5f\uaade\uaadf\uaaf0\uaaf1\uabeb\ufe10-\ufe16\ufe19\ufe30\ufe45\ufe46\ufe49-\ufe4c\ufe50-\ufe52\ufe54-\ufe57\ufe5f-\ufe61\ufe68\ufe6a\ufe6b\ufeff\uff01-\uff03\uff05-\uff07\uff0a\uff0c\uff0e\uff0f\uff1a\uff1b\uff1f\uff20\uff3c\uff61\uff64\uff65]+/g, "").toLowerCase()
+    );
+  }
+
+  // node_modules/name-suggestion-index/config/matchGroups.json
+  var matchGroups_default = {
+    matchGroups: {
+      adult_gaming_centre: [
+        "amenity/casino",
+        "amenity/gambling",
+        "leisure/adult_gaming_centre"
+      ],
+      beauty: [
+        "shop/beauty",
+        "shop/hairdresser_supply"
+      ],
+      bed: [
+        "shop/bed",
+        "shop/furniture"
+      ],
+      beverages: [
+        "shop/alcohol",
+        "shop/beer",
+        "shop/beverages",
+        "shop/kiosk",
+        "shop/wine"
+      ],
+      camping: [
+        "tourism/camp_site",
+        "tourism/caravan_site"
+      ],
+      car_parts: [
+        "shop/car_parts",
+        "shop/car_repair",
+        "shop/tires",
+        "shop/tyres"
+      ],
+      clinic: [
+        "amenity/clinic",
+        "amenity/doctors",
+        "healthcare/clinic",
+        "healthcare/laboratory",
+        "healthcare/physiotherapist",
+        "healthcare/sample_collection",
+        "healthcare/dialysis"
+      ],
+      convenience: [
+        "shop/beauty",
+        "shop/chemist",
+        "shop/convenience",
+        "shop/cosmetics",
+        "shop/grocery",
+        "shop/kiosk",
+        "shop/newsagent",
+        "shop/perfumery"
+      ],
+      coworking: [
+        "amenity/coworking_space",
+        "office/coworking",
+        "office/coworking_space"
+      ],
+      dentist: [
+        "amenity/dentist",
+        "amenity/doctors",
+        "healthcare/dentist"
+      ],
+      electronics: [
+        "office/telecommunication",
+        "shop/computer",
+        "shop/electronics",
+        "shop/hifi",
+        "shop/kiosk",
+        "shop/mobile",
+        "shop/mobile_phone",
+        "shop/telecommunication"
+      ],
+      fabric: [
+        "shop/fabric",
+        "shop/haberdashery",
+        "shop/sewing"
+      ],
+      fashion: [
+        "shop/accessories",
+        "shop/bag",
+        "shop/boutique",
+        "shop/clothes",
+        "shop/department_store",
+        "shop/fashion",
+        "shop/fashion_accessories",
+        "shop/sports",
+        "shop/shoes"
+      ],
+      financial: [
+        "amenity/bank",
+        "office/accountant",
+        "office/financial",
+        "office/financial_advisor",
+        "office/tax_advisor",
+        "shop/tax"
+      ],
+      fitness: [
+        "leisure/fitness_centre",
+        "leisure/fitness_center",
+        "leisure/sports_centre",
+        "leisure/sports_center"
+      ],
+      food: [
+        "amenity/bar",
+        "amenity/cafe",
+        "amenity/fast_food",
+        "amenity/ice_cream",
+        "amenity/pub",
+        "amenity/restaurant",
+        "shop/bakery",
+        "shop/candy",
+        "shop/chocolate",
+        "shop/coffee",
+        "shop/confectionary",
+        "shop/confectionery",
+        "shop/food",
+        "shop/kiosk",
+        "shop/ice_cream",
+        "shop/pastry",
+        "shop/tea"
+      ],
+      fuel: [
+        "amenity/fuel",
+        "shop/gas",
+        "shop/convenience;gas",
+        "shop/gas;convenience"
+      ],
+      gift: [
+        "shop/gift",
+        "shop/card",
+        "shop/cards",
+        "shop/kiosk",
+        "shop/stationery"
+      ],
+      hardware: [
+        "shop/bathroom_furnishing",
+        "shop/carpet",
+        "shop/diy",
+        "shop/doityourself",
+        "shop/doors",
+        "shop/electrical",
+        "shop/flooring",
+        "shop/hardware",
+        "shop/hardware_store",
+        "shop/power_tools",
+        "shop/tool_hire",
+        "shop/tools",
+        "shop/trade"
+      ],
+      health_food: [
+        "shop/health",
+        "shop/health_food",
+        "shop/herbalist",
+        "shop/nutrition_supplements"
+      ],
+      hobby: [
+        "shop/electronics",
+        "shop/hobby",
+        "shop/books",
+        "shop/games",
+        "shop/collector",
+        "shop/toys",
+        "shop/model",
+        "shop/video_games",
+        "shop/anime"
+      ],
+      hospital: [
+        "amenity/doctors",
+        "amenity/hospital",
+        "healthcare/hospital"
+      ],
+      houseware: [
+        "shop/houseware",
+        "shop/interior_decoration"
+      ],
+      lifeboat_station: [
+        "amenity/lifeboat_station",
+        "emergency/lifeboat_station",
+        "emergency/marine_rescue"
+      ],
+      lodging: [
+        "tourism/hotel",
+        "tourism/motel"
+      ],
+      money_transfer: [
+        "amenity/money_transfer",
+        "shop/money_transfer"
+      ],
+      office_supplies: [
+        "shop/office_supplies",
+        "shop/stationary",
+        "shop/stationery"
+      ],
+      outdoor: [
+        "shop/clothes",
+        "shop/outdoor",
+        "shop/sports"
+      ],
+      parcel_locker: [
+        "amenity/parcel_locker",
+        "amenity/vending_machine"
+      ],
+      pharmacy: [
+        "amenity/doctors",
+        "amenity/pharmacy",
+        "healthcare/pharmacy"
+      ],
+      playground: [
+        "amenity/theme_park",
+        "leisure/amusement_arcade",
+        "leisure/playground"
+      ],
+      rental: [
+        "amenity/bicycle_rental",
+        "amenity/boat_rental",
+        "amenity/car_rental",
+        "amenity/truck_rental",
+        "amenity/vehicle_rental",
+        "shop/kiosk",
+        "shop/rental"
+      ],
+      school: [
+        "amenity/childcare",
+        "amenity/college",
+        "amenity/kindergarten",
+        "amenity/language_school",
+        "amenity/prep_school",
+        "amenity/school",
+        "amenity/university"
+      ],
+      storage: [
+        "shop/storage_units",
+        "shop/storage_rental"
+      ],
+      substation: [
+        "power/station",
+        "power/substation",
+        "power/sub_station"
+      ],
+      supermarket: [
+        "shop/food",
+        "shop/frozen_food",
+        "shop/greengrocer",
+        "shop/grocery",
+        "shop/supermarket",
+        "shop/wholesale"
+      ],
+      variety_store: [
+        "shop/variety_store",
+        "shop/discount",
+        "shop/convenience"
+      ],
+      vending: [
+        "amenity/vending_machine",
+        "shop/kiosk",
+        "shop/vending_machine"
+      ],
+      weight_loss: [
+        "amenity/clinic",
+        "amenity/doctors",
+        "amenity/weight_clinic",
+        "healthcare/counselling",
+        "leisure/fitness_centre",
+        "office/therapist",
+        "shop/beauty",
+        "shop/diet",
+        "shop/food",
+        "shop/health_food",
+        "shop/herbalist",
+        "shop/nutrition",
+        "shop/nutrition_supplements",
+        "shop/weight_loss"
+      ],
+      wholesale: [
+        "shop/wholesale",
+        "shop/supermarket",
+        "shop/department_store"
+      ]
+    }
+  };
+
+  // node_modules/name-suggestion-index/config/genericWords.json
+  var genericWords_default = {
+    genericWords: [
+      "^(barn|bazaa?r|bench|bou?tique|building|casa|church)$",
+      "^(baseball|basketball|football|soccer|softball|tennis(halle)?)\\s?(field|court)?$",
+      "^(club|green|out|ware)\\s?house$",
+      "^(driveway|el \xE1rbol|fountain|generic|golf|government|graveyard)$",
+      "^(fixme|n\\s?\\/?\\s?a|name|no\\s?name|none|null|temporary|test|unknown)$",
+      "^(hofladen|librairie|magazine?|maison)$",
+      "^(mobile home|skate)?\\s?park$",
+      "^(obuwie|pond|pool|sale|shops?|sklep|stores?)$",
+      "^\\?+$",
+      "^private$",
+      "^tattoo( studio)?$",
+      "^windmill$",
+      "^\u0446\u0435\u0440\u043A\u043E\u0432\u043D\u0430\u044F( \u043B\u0430\u0432\u043A\u0430)?$"
+    ]
+  };
+
+  // node_modules/name-suggestion-index/config/trees.json
+  var trees_default = {
+    trees: {
+      brands: {
+        emoji: "\u{1F354}",
+        mainTag: "brand:wikidata",
+        sourceTags: ["brand", "name"],
+        nameTags: {
+          primary: "^(name|name:\\w+)$",
+          alternate: "^(brand|brand:\\w+|operator|operator:\\w+|\\w+_name|\\w+_name:\\w+)$"
+        }
+      },
+      flags: {
+        emoji: "\u{1F6A9}",
+        mainTag: "flag:wikidata",
+        nameTags: {
+          primary: "^(flag:name|flag:name:\\w+)$",
+          alternate: "^(country|country:\\w+|flag|flag:\\w+|subject|subject:\\w+)$"
+        }
+      },
+      operators: {
+        emoji: "\u{1F4BC}",
+        mainTag: "operator:wikidata",
+        sourceTags: ["operator"],
+        nameTags: {
+          primary: "^(name|name:\\w+|operator|operator:\\w+)$",
+          alternate: "^(brand|brand:\\w+|\\w+_name|\\w+_name:\\w+)$"
+        }
+      },
+      transit: {
+        emoji: "\u{1F687}",
+        mainTag: "network:wikidata",
+        sourceTags: ["network"],
+        nameTags: {
+          primary: "^network$",
+          alternate: "^(operator|operator:\\w+|network:\\w+|\\w+_name|\\w+_name:\\w+)$"
+        }
+      }
+    }
+  };
+
+  // node_modules/name-suggestion-index/lib/matcher.js
+  var matchGroups = matchGroups_default.matchGroups;
+  var trees = trees_default.trees;
+  var Matcher = class {
+    //
+    // `constructor`
+    // initialize the genericWords regexes
+    constructor() {
+      this.matchIndex = void 0;
+      this.genericWords = /* @__PURE__ */ new Map();
+      (genericWords_default.genericWords || []).forEach((s) => this.genericWords.set(s, new RegExp(s, "i")));
+      this.itemLocation = void 0;
+      this.locationSets = void 0;
+      this.locationIndex = void 0;
+      this.warnings = [];
+    }
+    //
+    // `buildMatchIndex()`
+    // Call this to prepare the matcher for use
+    //
+    // `data` needs to be an Object indexed on a 'tree/key/value' path.
+    // (e.g. cache filled by `fileTree.read` or data found in `dist/nsi.json`)
+    // {
+    //    'brands/amenity/bank': { properties: {}, items: [ {}, {}, … ] },
+    //    'brands/amenity/bar':  { properties: {}, items: [ {}, {}, … ] },
+    //    …
+    // }
+    //
+    buildMatchIndex(data) {
+      const that = this;
+      if (that.matchIndex)
+        return;
+      that.matchIndex = /* @__PURE__ */ new Map();
+      const seenTree = /* @__PURE__ */ new Map();
+      Object.keys(data).forEach((tkv) => {
+        const category = data[tkv];
+        const parts = tkv.split("/", 3);
+        const t = parts[0];
+        const k = parts[1];
+        const v = parts[2];
+        const thiskv = `${k}/${v}`;
+        const tree = trees[t];
+        let branch = that.matchIndex.get(thiskv);
+        if (!branch) {
+          branch = {
+            primary: /* @__PURE__ */ new Map(),
+            alternate: /* @__PURE__ */ new Map(),
+            excludeGeneric: /* @__PURE__ */ new Map(),
+            excludeNamed: /* @__PURE__ */ new Map()
+          };
+          that.matchIndex.set(thiskv, branch);
+        }
+        const properties = category.properties || {};
+        const exclude = properties.exclude || {};
+        (exclude.generic || []).forEach((s) => branch.excludeGeneric.set(s, new RegExp(s, "i")));
+        (exclude.named || []).forEach((s) => branch.excludeNamed.set(s, new RegExp(s, "i")));
+        const excludeRegexes = [...branch.excludeGeneric.values(), ...branch.excludeNamed.values()];
+        let items = category.items;
+        if (!Array.isArray(items) || !items.length)
+          return;
+        const primaryName = new RegExp(tree.nameTags.primary, "i");
+        const alternateName = new RegExp(tree.nameTags.alternate, "i");
+        const notName = /:(colou?r|type|forward|backward|left|right|etymology|pronunciation|wikipedia)$/i;
+        const skipGenericKV = skipGenericKVMatches(t, k, v);
+        const genericKV = /* @__PURE__ */ new Set([`${k}/yes`, `building/yes`]);
+        const matchGroupKV = /* @__PURE__ */ new Set();
+        Object.values(matchGroups).forEach((matchGroup) => {
+          const inGroup = matchGroup.some((otherkv) => otherkv === thiskv);
+          if (!inGroup)
+            return;
+          matchGroup.forEach((otherkv) => {
+            if (otherkv === thiskv)
+              return;
+            matchGroupKV.add(otherkv);
+            const otherk = otherkv.split("/", 2)[0];
+            genericKV.add(`${otherk}/yes`);
+          });
+        });
+        items.forEach((item) => {
+          if (!item.id)
+            return;
+          if (Array.isArray(item.matchTags) && item.matchTags.length) {
+            item.matchTags = item.matchTags.filter((matchTag) => !matchGroupKV.has(matchTag) && !genericKV.has(matchTag));
+            if (!item.matchTags.length)
+              delete item.matchTags;
+          }
+          let kvTags = [`${thiskv}`].concat(item.matchTags || []);
+          if (!skipGenericKV) {
+            kvTags = kvTags.concat(Array.from(genericKV));
+          }
+          Object.keys(item.tags).forEach((osmkey) => {
+            if (notName.test(osmkey))
+              return;
+            const osmvalue = item.tags[osmkey];
+            if (!osmvalue || excludeRegexes.some((regex) => regex.test(osmvalue)))
+              return;
+            if (primaryName.test(osmkey)) {
+              kvTags.forEach((kv) => insertName("primary", t, kv, simplify2(osmvalue), item.id));
+            } else if (alternateName.test(osmkey)) {
+              kvTags.forEach((kv) => insertName("alternate", t, kv, simplify2(osmvalue), item.id));
+            }
+          });
+          let keepMatchNames = /* @__PURE__ */ new Set();
+          (item.matchNames || []).forEach((matchName) => {
+            const nsimple = simplify2(matchName);
+            kvTags.forEach((kv) => {
+              const branch2 = that.matchIndex.get(kv);
+              const primaryLeaf = branch2 && branch2.primary.get(nsimple);
+              const alternateLeaf = branch2 && branch2.alternate.get(nsimple);
+              const inPrimary = primaryLeaf && primaryLeaf.has(item.id);
+              const inAlternate = alternateLeaf && alternateLeaf.has(item.id);
+              if (!inPrimary && !inAlternate) {
+                insertName("alternate", t, kv, nsimple, item.id);
+                keepMatchNames.add(matchName);
+              }
+            });
+          });
+          if (keepMatchNames.size) {
+            item.matchNames = Array.from(keepMatchNames);
+          } else {
+            delete item.matchNames;
+          }
+        });
+      });
+      function insertName(which, t, kv, nsimple, itemID) {
+        if (!nsimple) {
+          that.warnings.push(`Warning: skipping empty ${which} name for item ${t}/${kv}: ${itemID}`);
+          return;
+        }
+        let branch = that.matchIndex.get(kv);
+        if (!branch) {
+          branch = {
+            primary: /* @__PURE__ */ new Map(),
+            alternate: /* @__PURE__ */ new Map(),
+            excludeGeneric: /* @__PURE__ */ new Map(),
+            excludeNamed: /* @__PURE__ */ new Map()
+          };
+          that.matchIndex.set(kv, branch);
+        }
+        let leaf = branch[which].get(nsimple);
+        if (!leaf) {
+          leaf = /* @__PURE__ */ new Set();
+          branch[which].set(nsimple, leaf);
+        }
+        leaf.add(itemID);
+        if (!/yes$/.test(kv)) {
+          const kvnsimple = `${kv}/${nsimple}`;
+          const existing = seenTree.get(kvnsimple);
+          if (existing && existing !== t) {
+            const items = Array.from(leaf);
+            that.warnings.push(`Duplicate cache key "${kvnsimple}" in trees "${t}" and "${existing}", check items: ${items}`);
+            return;
+          }
+          seenTree.set(kvnsimple, t);
+        }
+      }
+      function skipGenericKVMatches(t, k, v) {
+        return t === "flags" || t === "transit" || k === "landuse" || v === "atm" || v === "bicycle_parking" || v === "car_sharing" || v === "caravan_site" || v === "charging_station" || v === "dog_park" || v === "parking" || v === "phone" || v === "playground" || v === "post_box" || v === "public_bookcase" || v === "recycling" || v === "vending_machine";
+      }
+    }
+    //
+    // `buildLocationIndex()`
+    // Call this to prepare a which-polygon location index.
+    // This *resolves* all the locationSets into GeoJSON, which takes some time.
+    // You can skip this step if you don't care about matching within a location.
+    //
+    // `data` needs to be an Object indexed on a 'tree/key/value' path.
+    // (e.g. cache filled by `fileTree.read` or data found in `dist/nsi.json`)
+    // {
+    //    'brands/amenity/bank': { properties: {}, items: [ {}, {}, … ] },
+    //    'brands/amenity/bar':  { properties: {}, items: [ {}, {}, … ] },
+    //    …
+    // }
+    //
+    buildLocationIndex(data, loco) {
+      const that = this;
+      if (that.locationIndex)
+        return;
+      that.itemLocation = /* @__PURE__ */ new Map();
+      that.locationSets = /* @__PURE__ */ new Map();
+      Object.keys(data).forEach((tkv) => {
+        const items = data[tkv].items;
+        if (!Array.isArray(items) || !items.length)
+          return;
+        items.forEach((item) => {
+          if (that.itemLocation.has(item.id))
+            return;
+          let resolved;
+          try {
+            resolved = loco.resolveLocationSet(item.locationSet);
+          } catch (err) {
+            console.warn(`buildLocationIndex: ${err.message}`);
+          }
+          if (!resolved || !resolved.id)
+            return;
+          that.itemLocation.set(item.id, resolved.id);
+          if (that.locationSets.has(resolved.id))
+            return;
+          let feature3 = _cloneDeep2(resolved.feature);
+          feature3.id = resolved.id;
+          feature3.properties.id = resolved.id;
+          if (!feature3.geometry.coordinates.length || !feature3.properties.area) {
+            console.warn(`buildLocationIndex: locationSet ${resolved.id} for ${item.id} resolves to an empty feature:`);
+            console.warn(JSON.stringify(feature3));
+            return;
+          }
+          that.locationSets.set(resolved.id, feature3);
+        });
+      });
+      that.locationIndex = (0, import_which_polygon4.default)({ type: "FeatureCollection", features: [...that.locationSets.values()] });
+      function _cloneDeep2(obj) {
+        return JSON.parse(JSON.stringify(obj));
+      }
+    }
+    //
+    // `match()`
+    // Pass parts and return an Array of matches.
+    // `k` - key
+    // `v` - value
+    // `n` - namelike
+    // `loc` - optional - [lon,lat] location to search
+    //
+    // 1. If the [k,v,n] tuple matches a canonical item…
+    // Return an Array of match results.
+    // Each result will include the area in km² that the item is valid.
+    //
+    // Order of results:
+    // Primary ordering will be on the "match" column:
+    //   "primary" - where the query matches the `name` tag, followed by
+    //   "alternate" - where the query matches an alternate name tag (e.g. short_name, brand, operator, etc)
+    // Secondary ordering will be on the "area" column:
+    //   "area descending" if no location was provided, (worldwide before local)
+    //   "area ascending" if location was provided (local before worldwide)
+    //
+    // [
+    //   { match: 'primary',   itemID: String,  area: Number,  kv: String,  nsimple: String },
+    //   { match: 'primary',   itemID: String,  area: Number,  kv: String,  nsimple: String },
+    //   { match: 'alternate', itemID: String,  area: Number,  kv: String,  nsimple: String },
+    //   { match: 'alternate', itemID: String,  area: Number,  kv: String,  nsimple: String },
+    //   …
+    // ]
+    //
+    // -or-
+    //
+    // 2. If the [k,v,n] tuple matches an exclude pattern…
+    // Return an Array with a single exclude result, either
+    //
+    // [ { match: 'excludeGeneric', pattern: String,  kv: String } ]  // "generic" e.g. "Food Court"
+    //   or
+    // [ { match: 'excludeNamed', pattern: String,  kv: String } ]    // "named", e.g. "Kebabai"
+    //
+    // About results
+    //   "generic" - a generic word that is probably not really a name.
+    //     For these, iD should warn the user "Hey don't put 'food court' in the name tag".
+    //   "named" - a real name like "Kebabai" that is just common, but not a brand.
+    //     For these, iD should just let it be. We don't include these in NSI, but we don't want to nag users about it either.
+    //
+    // -or-
+    //
+    // 3. If the [k,v,n] tuple matches nothing of any kind, return `null`
+    //
+    //
+    match(k, v, n2, loc) {
+      const that = this;
+      if (!that.matchIndex) {
+        throw new Error("match:  matchIndex not built.");
+      }
+      let matchLocations;
+      if (Array.isArray(loc) && that.locationIndex) {
+        matchLocations = that.locationIndex([loc[0], loc[1], loc[0], loc[1]], true);
+      }
+      const nsimple = simplify2(n2);
+      let seen = /* @__PURE__ */ new Set();
+      let results = [];
+      gatherResults("primary");
+      gatherResults("alternate");
+      if (results.length)
+        return results;
+      gatherResults("exclude");
+      return results.length ? results : null;
+      function gatherResults(which) {
+        const kv = `${k}/${v}`;
+        let didMatch = tryMatch(which, kv);
+        if (didMatch)
+          return;
+        for (let mg in matchGroups) {
+          const matchGroup = matchGroups[mg];
+          const inGroup = matchGroup.some((otherkv) => otherkv === kv);
+          if (!inGroup)
+            continue;
+          for (let i2 = 0; i2 < matchGroup.length; i2++) {
+            const otherkv = matchGroup[i2];
+            if (otherkv === kv)
+              continue;
+            didMatch = tryMatch(which, otherkv);
+            if (didMatch)
+              return;
+          }
+        }
+        if (which === "exclude") {
+          const regex = [...that.genericWords.values()].find((regex2) => regex2.test(n2));
+          if (regex) {
+            results.push({ match: "excludeGeneric", pattern: String(regex) });
+            return;
+          }
+        }
+      }
+      function tryMatch(which, kv) {
+        const branch = that.matchIndex.get(kv);
+        if (!branch)
+          return;
+        if (which === "exclude") {
+          let regex = [...branch.excludeNamed.values()].find((regex2) => regex2.test(n2));
+          if (regex) {
+            results.push({ match: "excludeNamed", pattern: String(regex), kv });
+            return;
+          }
+          regex = [...branch.excludeGeneric.values()].find((regex2) => regex2.test(n2));
+          if (regex) {
+            results.push({ match: "excludeGeneric", pattern: String(regex), kv });
+            return;
+          }
+          return;
+        }
+        const leaf = branch[which].get(nsimple);
+        if (!leaf || !leaf.size)
+          return;
+        let hits = Array.from(leaf).map((itemID) => {
+          let area = Infinity;
+          if (that.itemLocation && that.locationSets) {
+            const location = that.locationSets.get(that.itemLocation.get(itemID));
+            area = location && location.properties.area || Infinity;
+          }
+          return { match: which, itemID, area, kv, nsimple };
+        });
+        let sortFn = byAreaDescending;
+        if (matchLocations) {
+          hits = hits.filter(isValidLocation);
+          sortFn = byAreaAscending;
+        }
+        if (!hits.length)
+          return;
+        hits.sort(sortFn).forEach((hit) => {
+          if (seen.has(hit.itemID))
+            return;
+          seen.add(hit.itemID);
+          results.push(hit);
+        });
+        return true;
+        function isValidLocation(hit) {
+          if (!that.itemLocation)
+            return true;
+          return matchLocations.find((props) => props.id === that.itemLocation.get(hit.itemID));
+        }
+        function byAreaAscending(hitA, hitB) {
+          return hitA.area - hitB.area;
+        }
+        function byAreaDescending(hitA, hitB) {
+          return hitB.area - hitA.area;
+        }
+      }
+    }
+    //
+    // `getWarnings()`
+    // Return any warnings discovered when buiding the index.
+    // (currently this does nothing)
+    //
+    getWarnings() {
+      return this.warnings;
+    }
+  };
+
+  // modules/services/nsi.js
+  var import_vparse2 = __toESM(require_vparse());
+  var _nsiStatus = "loading";
+  var _nsi = {};
+  var buildingPreset = {
+    "building/commercial": true,
+    "building/government": true,
+    "building/hotel": true,
+    "building/retail": true,
+    "building/office": true,
+    "building/supermarket": true,
+    "building/yes": true
+  };
+  var notNames = /:(colou?r|type|forward|backward|left|right|etymology|pronunciation|wikipedia)$/i;
+  var notBranches = /(coop|express|wireless|factory|outlet)/i;
+  function setNsiSources() {
+    const nsiVersion = package_default.dependencies["name-suggestion-index"] || package_default.devDependencies["name-suggestion-index"];
+    const v = (0, import_vparse2.default)(nsiVersion);
+    const vMinor = `${v.major}.${v.minor}`;
+    const cdn = nsiCdnUrl.replace("{version}", vMinor);
+    const sources = {
+      "nsi_data": cdn + "dist/nsi.min.json",
+      "nsi_dissolved": cdn + "dist/dissolved.min.json",
+      "nsi_features": cdn + "dist/featureCollection.min.json",
+      "nsi_generics": cdn + "dist/genericWords.min.json",
+      "nsi_presets": cdn + "dist/presets/nsi-id-presets.min.json",
+      "nsi_replacements": cdn + "dist/replacements.min.json",
+      "nsi_trees": cdn + "dist/trees.min.json"
+    };
+    let fileMap = _mainFileFetcher.fileMap();
+    for (const k in sources) {
+      if (!fileMap[k])
+        fileMap[k] = sources[k];
+    }
+  }
+  function loadNsiPresets() {
+    return Promise.all([
+      _mainFileFetcher.get("nsi_presets"),
+      _mainFileFetcher.get("nsi_features")
+    ]).then((vals) => {
+      Object.values(vals[0].presets).forEach((preset) => preset.suggestion = true);
+      _mainPresetIndex.merge({
+        presets: vals[0].presets,
+        featureCollection: vals[1]
+      });
+    });
+  }
+  function loadNsiData() {
+    return Promise.all([
+      _mainFileFetcher.get("nsi_data"),
+      _mainFileFetcher.get("nsi_dissolved"),
+      _mainFileFetcher.get("nsi_replacements"),
+      _mainFileFetcher.get("nsi_trees")
+    ]).then((vals) => {
+      _nsi = {
+        data: vals[0].nsi,
+        // the raw name-suggestion-index data
+        dissolved: vals[1].dissolved,
+        // list of dissolved items
+        replacements: vals[2].replacements,
+        // trivial old->new qid replacements
+        trees: vals[3].trees,
+        // metadata about trees, main tags
+        kvt: /* @__PURE__ */ new Map(),
+        // Map (k -> Map (v -> t) )
+        qids: /* @__PURE__ */ new Map(),
+        // Map (wd/wp tag values -> qids)
+        ids: /* @__PURE__ */ new Map()
+        // Map (id -> NSI item)
+      };
+      const matcher = _nsi.matcher = new Matcher();
+      matcher.buildMatchIndex(_nsi.data);
+      matcher.itemLocation = /* @__PURE__ */ new Map();
+      matcher.locationSets = /* @__PURE__ */ new Map();
+      Object.keys(_nsi.data).forEach((tkv) => {
+        const items = _nsi.data[tkv].items;
+        if (!Array.isArray(items) || !items.length)
+          return;
+        items.forEach((item) => {
+          if (matcher.itemLocation.has(item.id))
+            return;
+          const locationSetID = _sharedLocationManager.locationSetID(item.locationSet);
+          matcher.itemLocation.set(item.id, locationSetID);
+          if (matcher.locationSets.has(locationSetID))
+            return;
+          const fakeFeature = { id: locationSetID, properties: { id: locationSetID, area: 1 } };
+          matcher.locationSets.set(locationSetID, fakeFeature);
+        });
+      });
+      matcher.locationIndex = (bbox2) => {
+        const validHere = _sharedLocationManager.locationSetsAt([bbox2[0], bbox2[1]]);
+        const results = [];
+        for (const [locationSetID, area] of Object.entries(validHere)) {
+          const fakeFeature = matcher.locationSets.get(locationSetID);
+          if (fakeFeature) {
+            fakeFeature.properties.area = area;
+            results.push(fakeFeature);
+          }
+        }
+        return results;
+      };
+      Object.keys(_nsi.data).forEach((tkv) => {
+        const category = _nsi.data[tkv];
+        const parts = tkv.split("/", 3);
+        const t = parts[0];
+        const k = parts[1];
+        const v = parts[2];
+        let vmap = _nsi.kvt.get(k);
+        if (!vmap) {
+          vmap = /* @__PURE__ */ new Map();
+          _nsi.kvt.set(k, vmap);
+        }
+        vmap.set(v, t);
+        const tree = _nsi.trees[t];
+        const mainTag = tree.mainTag;
+        const items = category.items || [];
+        items.forEach((item) => {
+          item.tkv = tkv;
+          item.mainTag = mainTag;
+          _nsi.ids.set(item.id, item);
+          const wd = item.tags[mainTag];
+          const wp = item.tags[mainTag.replace("wikidata", "wikipedia")];
+          if (wd)
+            _nsi.qids.set(wd, wd);
+          if (wp && wd)
+            _nsi.qids.set(wp, wd);
+        });
+      });
+    });
+  }
+  function gatherKVs(tags) {
+    let primary = /* @__PURE__ */ new Set();
+    let alternate = /* @__PURE__ */ new Set();
+    Object.keys(tags).forEach((osmkey) => {
+      const osmvalue = tags[osmkey];
+      if (!osmvalue)
+        return;
+      if (osmkey === "route_master")
+        osmkey = "route";
+      const vmap = _nsi.kvt.get(osmkey);
+      if (!vmap)
+        return;
+      if (vmap.get(osmvalue)) {
+        primary.add(`${osmkey}/${osmvalue}`);
+      } else if (osmvalue === "yes") {
+        alternate.add(`${osmkey}/${osmvalue}`);
+      }
+    });
+    const preset = _mainPresetIndex.matchTags(tags, "area");
+    if (buildingPreset[preset.id]) {
+      alternate.add("building/yes");
+    }
+    return { primary, alternate };
+  }
+  function identifyTree(tags) {
+    let unknown;
+    let t;
+    Object.keys(tags).forEach((osmkey) => {
+      if (t)
+        return;
+      const osmvalue = tags[osmkey];
+      if (!osmvalue)
+        return;
+      if (osmkey === "route_master")
+        osmkey = "route";
+      const vmap = _nsi.kvt.get(osmkey);
+      if (!vmap)
+        return;
+      if (osmvalue === "yes") {
+        unknown = "unknown";
+      } else {
+        t = vmap.get(osmvalue);
+      }
+    });
+    return t || unknown || null;
+  }
+  function gatherNames(tags) {
+    const empty2 = { primary: /* @__PURE__ */ new Set(), alternate: /* @__PURE__ */ new Set() };
+    let primary = /* @__PURE__ */ new Set();
+    let alternate = /* @__PURE__ */ new Set();
+    let foundSemi = false;
+    let testNameFragments = false;
+    let patterns2;
+    let t = identifyTree(tags);
+    if (!t)
+      return empty2;
+    if (t === "transit") {
+      patterns2 = {
+        primary: /^network$/i,
+        alternate: /^(operator|operator:\w+|network:\w+|\w+_name|\w+_name:\w+)$/i
+      };
+    } else if (t === "flags") {
+      patterns2 = {
+        primary: /^(flag:name|flag:name:\w+)$/i,
+        alternate: /^(flag|flag:\w+|subject|subject:\w+)$/i
+        // note: no `country`, we special-case it below
+      };
+    } else if (t === "brands") {
+      testNameFragments = true;
+      patterns2 = {
+        primary: /^(name|name:\w+)$/i,
+        alternate: /^(brand|brand:\w+|operator|operator:\w+|\w+_name|\w+_name:\w+)/i
+      };
+    } else if (t === "operators") {
+      testNameFragments = true;
+      patterns2 = {
+        primary: /^(name|name:\w+|operator|operator:\w+)$/i,
+        alternate: /^(brand|brand:\w+|\w+_name|\w+_name:\w+)/i
+      };
+    } else {
+      testNameFragments = true;
+      patterns2 = {
+        primary: /^(name|name:\w+)$/i,
+        alternate: /^(brand|brand:\w+|network|network:\w+|operator|operator:\w+|\w+_name|\w+_name:\w+)/i
+      };
+    }
+    if (tags.name && testNameFragments) {
+      const nameParts = tags.name.split(/[\s\-\/,.]/);
+      for (let split = nameParts.length; split > 0; split--) {
+        const name = nameParts.slice(0, split).join(" ");
+        primary.add(name);
+      }
+    }
+    Object.keys(tags).forEach((osmkey) => {
+      const osmvalue = tags[osmkey];
+      if (!osmvalue)
+        return;
+      if (isNamelike(osmkey, "primary")) {
+        if (/;/.test(osmvalue)) {
+          foundSemi = true;
+        } else {
+          primary.add(osmvalue);
+          alternate.delete(osmvalue);
+        }
+      } else if (!primary.has(osmvalue) && isNamelike(osmkey, "alternate")) {
+        if (/;/.test(osmvalue)) {
+          foundSemi = true;
+        } else {
+          alternate.add(osmvalue);
+        }
+      }
+    });
+    if (tags.man_made === "flagpole" && !primary.size && !alternate.size && !!tags.country) {
+      const osmvalue = tags.country;
+      if (/;/.test(osmvalue)) {
+        foundSemi = true;
+      } else {
+        alternate.add(osmvalue);
+      }
+    }
+    if (foundSemi) {
+      return empty2;
+    } else {
+      return { primary, alternate };
+    }
+    function isNamelike(osmkey, which) {
+      if (osmkey === "old_name")
+        return false;
+      return patterns2[which].test(osmkey) && !notNames.test(osmkey);
+    }
+  }
+  function gatherTuples(tryKVs, tryNames) {
+    let tuples = [];
+    ["primary", "alternate"].forEach((whichName) => {
+      const arr = Array.from(tryNames[whichName]).sort((a, b) => b.length - a.length);
+      arr.forEach((n2) => {
+        ["primary", "alternate"].forEach((whichKV) => {
+          tryKVs[whichKV].forEach((kv) => {
+            const parts = kv.split("/", 2);
+            const k = parts[0];
+            const v = parts[1];
+            tuples.push({ k, v, n: n2 });
+          });
+        });
+      });
+    });
+    return tuples;
+  }
+  function _upgradeTags(tags, loc) {
+    let newTags = Object.assign({}, tags);
+    let changed = false;
+    Object.keys(newTags).forEach((osmkey) => {
+      const matchTag = osmkey.match(/^(\w+:)?wikidata$/);
+      if (matchTag) {
+        const prefix = matchTag[1] || "";
+        const wd = newTags[osmkey];
+        const replace = _nsi.replacements[wd];
+        if (replace && replace.wikidata !== void 0) {
+          changed = true;
+          if (replace.wikidata) {
+            newTags[osmkey] = replace.wikidata;
+          } else {
+            delete newTags[osmkey];
+          }
+        }
+        if (replace && replace.wikipedia !== void 0) {
+          changed = true;
+          const wpkey = `${prefix}wikipedia`;
+          if (replace.wikipedia) {
+            newTags[wpkey] = replace.wikipedia;
+          } else {
+            delete newTags[wpkey];
+          }
+        }
+      }
+    });
+    const isRouteMaster = tags.type === "route_master";
+    const tryKVs = gatherKVs(tags);
+    if (!tryKVs.primary.size && !tryKVs.alternate.size) {
+      return changed ? { newTags, matched: null } : null;
+    }
+    const tryNames = gatherNames(tags);
+    const foundQID = _nsi.qids.get(tags.wikidata) || _nsi.qids.get(tags.wikipedia);
+    if (foundQID)
+      tryNames.primary.add(foundQID);
+    if (!tryNames.primary.size && !tryNames.alternate.size) {
+      return changed ? { newTags, matched: null } : null;
+    }
+    const tuples = gatherTuples(tryKVs, tryNames);
+    for (let i2 = 0; i2 < tuples.length; i2++) {
+      const tuple = tuples[i2];
+      const hits = _nsi.matcher.match(tuple.k, tuple.v, tuple.n, loc);
+      if (!hits || !hits.length)
+        continue;
+      if (hits[0].match !== "primary" && hits[0].match !== "alternate")
+        break;
+      let itemID, item;
+      for (let j2 = 0; j2 < hits.length; j2++) {
+        const hit = hits[j2];
+        itemID = hit.itemID;
+        if (_nsi.dissolved[itemID])
+          continue;
+        item = _nsi.ids.get(itemID);
+        if (!item)
+          continue;
+        const mainTag = item.mainTag;
+        const itemQID = item.tags[mainTag];
+        const notQID = newTags[`not:${mainTag}`];
+        if (
+          // Exceptions, skip this hit
+          !itemQID || itemQID === notQID || // No `*:wikidata` or matched a `not:*:wikidata`
+          newTags.office && !item.tags.office
+        ) {
+          item = null;
+          continue;
+        } else {
+          break;
+        }
+      }
+      if (!item)
+        continue;
+      item = JSON.parse(JSON.stringify(item));
+      const tkv = item.tkv;
+      const parts = tkv.split("/", 3);
+      const k = parts[1];
+      const v = parts[2];
+      const category = _nsi.data[tkv];
+      const properties = category.properties || {};
+      let preserveTags = item.preserveTags || properties.preserveTags || [];
+      ["building", "emergency", "internet_access", "takeaway"].forEach((osmkey) => {
+        if (k !== osmkey)
+          preserveTags.push(`^${osmkey}$`);
+      });
+      const regexes = preserveTags.map((s) => new RegExp(s, "i"));
+      let keepTags = {};
+      Object.keys(newTags).forEach((osmkey) => {
+        if (regexes.some((regex) => regex.test(osmkey))) {
+          keepTags[osmkey] = newTags[osmkey];
+        }
+      });
+      _nsi.kvt.forEach((vmap, k2) => {
+        if (newTags[k2] === "yes")
+          delete newTags[k2];
+      });
+      if (foundQID) {
+        delete newTags.wikipedia;
+        delete newTags.wikidata;
+      }
+      Object.assign(newTags, item.tags, keepTags);
+      if (isRouteMaster) {
+        newTags.route_master = newTags.route;
+        delete newTags.route;
+      }
+      const origName = tags.name;
+      const newName = newTags.name;
+      if (newName && origName && newName !== origName && !newTags.branch) {
+        const newNames = gatherNames(newTags);
+        const newSet = /* @__PURE__ */ new Set([...newNames.primary, ...newNames.alternate]);
+        const isMoved = newSet.has(origName);
+        if (!isMoved) {
+          const nameParts = origName.split(/[\s\-\/,.]/);
+          for (let split = nameParts.length; split > 0; split--) {
+            const name = nameParts.slice(0, split).join(" ");
+            const branch = nameParts.slice(split).join(" ");
+            const nameHits = _nsi.matcher.match(k, v, name, loc);
+            if (!nameHits || !nameHits.length)
+              continue;
+            if (nameHits.some((hit) => hit.itemID === itemID)) {
+              if (branch) {
+                if (notBranches.test(branch)) {
+                  newTags.name = origName;
+                } else {
+                  const branchHits = _nsi.matcher.match(k, v, branch, loc);
+                  if (branchHits && branchHits.length) {
+                    if (branchHits[0].match === "primary" || branchHits[0].match === "alternate") {
+                      return null;
+                    }
+                  } else {
+                    newTags.branch = branch;
+                  }
+                }
+              }
+              break;
+            }
+          }
+        }
+      }
+      return { newTags, matched: item };
+    }
+    return changed ? { newTags, matched: null } : null;
+  }
+  function _isGenericName(tags) {
+    const n2 = tags.name;
+    if (!n2)
+      return false;
+    const tryNames = { primary: /* @__PURE__ */ new Set([n2]), alternate: /* @__PURE__ */ new Set() };
+    const tryKVs = gatherKVs(tags);
+    if (!tryKVs.primary.size && !tryKVs.alternate.size)
+      return false;
+    const tuples = gatherTuples(tryKVs, tryNames);
+    for (let i2 = 0; i2 < tuples.length; i2++) {
+      const tuple = tuples[i2];
+      const hits = _nsi.matcher.match(tuple.k, tuple.v, tuple.n);
+      if (hits && hits.length && hits[0].match === "excludeGeneric")
+        return true;
+    }
+    return false;
+  }
+  var nsi_default = {
+    // `init()`
+    // On init, start preparing the name-suggestion-index
+    //
+    init: () => {
+      setNsiSources();
+      _mainPresetIndex.ensureLoaded().then(() => loadNsiPresets()).then(() => loadNsiData()).then(() => _nsiStatus = "ok").catch(() => _nsiStatus = "failed");
+    },
+    // `reset()`
+    // Reset is called when user saves data to OSM (does nothing here)
+    //
+    reset: () => {
+    },
+    // `status()`
+    // To let other code know how it's going...
+    //
+    // Returns
+    //   `String`: 'loading', 'ok', 'failed'
+    //
+    status: () => _nsiStatus,
+    // `isGenericName()`
+    // Is the `name` tag generic?
+    //
+    // Arguments
+    //   `tags`: `Object` containing the feature's OSM tags
+    // Returns
+    //   `true` if it is generic, `false` if not
+    //
+    isGenericName: (tags) => _isGenericName(tags),
+    // `upgradeTags()`
+    // Suggest tag upgrades.
+    // This function will not modify the input tags, it makes a copy.
+    //
+    // Arguments
+    //   `tags`: `Object` containing the feature's OSM tags
+    //   `loc`: Location where this feature exists, as a [lon, lat]
+    // Returns
+    //   `Object` containing the result, or `null` if no changes needed:
+    //   {
+    //     'newTags': `Object` - The tags the the feature should have
+    //     'matched': `Object` - The matched item
+    //   }
+    //
+    upgradeTags: (tags, loc) => _upgradeTags(tags, loc),
+    // `cache()`
+    // Direct access to the NSI cache, useful for testing or breaking things
+    //
+    // Returns
+    //   `Object`: the internal NSI cache
+    //
+    cache: () => _nsi
+  };
+
+  // modules/services/kartaview.js
+  var import_rbush8 = __toESM(require_rbush_min());
+  var apibase2 = "https://kartaview.org";
+  var maxResults = 1e3;
+  var tileZoom = 14;
+  var tiler4 = utilTiler().zoomExtent([tileZoom, tileZoom]).skipNullIsland(true);
+  var dispatch6 = dispatch_default("loadedImages");
+  var imgZoom = zoom_default2().extent([[0, 0], [320, 240]]).translateExtent([[0, 0], [320, 240]]).scaleExtent([1, 15]);
+  var _oscCache;
+  var _oscSelectedImage;
+  var _loadViewerPromise2;
+  function abortRequest4(controller) {
+    controller.abort();
+  }
+  function maxPageAtZoom(z) {
+    if (z < 15)
+      return 2;
+    if (z === 15)
+      return 5;
+    if (z === 16)
+      return 10;
+    if (z === 17)
+      return 20;
+    if (z === 18)
+      return 40;
+    if (z > 18)
+      return 80;
+  }
+  function loadTiles2(which, url, projection2) {
+    var currZoom = Math.floor(geoScaleToZoom(projection2.scale()));
+    var tiles = tiler4.getTiles(projection2);
+    var cache = _oscCache[which];
+    Object.keys(cache.inflight).forEach(function(k) {
+      var wanted = tiles.find(function(tile) {
+        return k.indexOf(tile.id + ",") === 0;
+      });
+      if (!wanted) {
+        abortRequest4(cache.inflight[k]);
+        delete cache.inflight[k];
+      }
+    });
+    tiles.forEach(function(tile) {
+      loadNextTilePage(which, currZoom, url, tile);
+    });
+  }
+  function loadNextTilePage(which, currZoom, url, tile) {
+    var cache = _oscCache[which];
+    var bbox2 = tile.extent.bbox();
+    var maxPages = maxPageAtZoom(currZoom);
+    var nextPage = cache.nextPage[tile.id] || 1;
+    var params = utilQsString({
+      ipp: maxResults,
+      page: nextPage,
+      // client_id: clientId,
+      bbTopLeft: [bbox2.maxY, bbox2.minX].join(","),
+      bbBottomRight: [bbox2.minY, bbox2.maxX].join(",")
+    }, true);
+    if (nextPage > maxPages)
+      return;
+    var id2 = tile.id + "," + String(nextPage);
+    if (cache.loaded[id2] || cache.inflight[id2])
+      return;
+    var controller = new AbortController();
+    cache.inflight[id2] = controller;
+    var options2 = {
+      method: "POST",
+      signal: controller.signal,
+      body: params,
+      headers: { "Content-Type": "application/x-www-form-urlencoded" }
+    };
+    json_default(url, options2).then(function(data) {
+      cache.loaded[id2] = true;
+      delete cache.inflight[id2];
+      if (!data || !data.currentPageItems || !data.currentPageItems.length) {
+        throw new Error("No Data");
+      }
+      var features = data.currentPageItems.map(function(item) {
+        var loc = [+item.lng, +item.lat];
+        var d;
+        if (which === "images") {
+          d = {
+            loc,
+            key: item.id,
+            ca: +item.heading,
+            captured_at: item.shot_date || item.date_added,
+            captured_by: item.username,
+            imagePath: item.lth_name,
+            sequence_id: item.sequence_id,
+            sequence_index: +item.sequence_index
+          };
+          var seq = _oscCache.sequences[d.sequence_id];
+          if (!seq) {
+            seq = { rotation: 0, images: [] };
+            _oscCache.sequences[d.sequence_id] = seq;
+          }
+          seq.images[d.sequence_index] = d;
+          _oscCache.images.forImageKey[d.key] = d;
+        }
+        return {
+          minX: loc[0],
+          minY: loc[1],
+          maxX: loc[0],
+          maxY: loc[1],
+          data: d
+        };
+      });
+      cache.rtree.load(features);
+      if (data.currentPageItems.length === maxResults) {
+        cache.nextPage[tile.id] = nextPage + 1;
+        loadNextTilePage(which, currZoom, url, tile);
+      } else {
+        cache.nextPage[tile.id] = Infinity;
+      }
+      if (which === "images") {
+        dispatch6.call("loadedImages");
+      }
+    }).catch(function() {
+      cache.loaded[id2] = true;
+      delete cache.inflight[id2];
+    });
+  }
+  function partitionViewport2(projection2) {
+    var z = geoScaleToZoom(projection2.scale());
+    var z2 = Math.ceil(z * 2) / 2 + 2.5;
+    var tiler8 = utilTiler().zoomExtent([z2, z2]);
+    return tiler8.getTiles(projection2).map(function(tile) {
+      return tile.extent;
+    });
+  }
+  function searchLimited2(limit, projection2, rtree) {
+    limit = limit || 5;
+    return partitionViewport2(projection2).reduce(function(result, extent) {
+      var found = rtree.search(extent.bbox()).slice(0, limit).map(function(d) {
+        return d.data;
+      });
+      return found.length ? result.concat(found) : result;
+    }, []);
+  }
+  var kartaview_default = {
+    init: function() {
+      if (!_oscCache) {
+        this.reset();
+      }
+      this.event = utilRebind(this, dispatch6, "on");
+    },
+    reset: function() {
+      if (_oscCache) {
+        Object.values(_oscCache.images.inflight).forEach(abortRequest4);
+      }
+      _oscCache = {
+        images: { inflight: {}, loaded: {}, nextPage: {}, rtree: new import_rbush8.default(), forImageKey: {} },
+        sequences: {}
+      };
+      _oscSelectedImage = null;
+    },
+    images: function(projection2) {
+      var limit = 5;
+      return searchLimited2(limit, projection2, _oscCache.images.rtree);
+    },
+    sequences: function(projection2) {
+      var viewport = projection2.clipExtent();
+      var min3 = [viewport[0][0], viewport[1][1]];
+      var max3 = [viewport[1][0], viewport[0][1]];
+      var bbox2 = geoExtent(projection2.invert(min3), projection2.invert(max3)).bbox();
+      var sequenceKeys = {};
+      _oscCache.images.rtree.search(bbox2).forEach(function(d) {
+        sequenceKeys[d.data.sequence_id] = true;
+      });
+      var lineStrings = [];
+      Object.keys(sequenceKeys).forEach(function(sequenceKey) {
+        var seq = _oscCache.sequences[sequenceKey];
+        var images = seq && seq.images;
+        if (images) {
+          lineStrings.push({
+            type: "LineString",
+            coordinates: images.map(function(d) {
+              return d.loc;
+            }).filter(Boolean),
+            properties: {
+              captured_at: images[0] ? images[0].captured_at : null,
+              captured_by: images[0] ? images[0].captured_by : null,
+              key: sequenceKey
+            }
+          });
+        }
+      });
+      return lineStrings;
+    },
+    cachedImage: function(imageKey) {
+      return _oscCache.images.forImageKey[imageKey];
+    },
+    loadImages: function(projection2) {
+      var url = apibase2 + "/1.0/list/nearby-photos/";
+      loadTiles2("images", url, projection2);
+    },
+    ensureViewerLoaded: function(context) {
+      if (_loadViewerPromise2)
+        return _loadViewerPromise2;
+      var wrap2 = context.container().select(".photoviewer").selectAll(".kartaview-wrapper").data([0]);
+      var that = this;
+      var wrapEnter = wrap2.enter().append("div").attr("class", "photo-wrapper kartaview-wrapper").classed("hide", true).call(imgZoom.on("zoom", zoomPan)).on("dblclick.zoom", null);
+      wrapEnter.append("div").attr("class", "photo-attribution fillD");
+      var controlsEnter = wrapEnter.append("div").attr("class", "photo-controls-wrap").append("div").attr("class", "photo-controls");
+      controlsEnter.append("button").on("click.back", step(-1)).text("\u25C4");
+      controlsEnter.append("button").on("click.rotate-ccw", rotate(-90)).text("\u293F");
+      controlsEnter.append("button").on("click.rotate-cw", rotate(90)).text("\u293E");
+      controlsEnter.append("button").on("click.forward", step(1)).text("\u25BA");
+      wrapEnter.append("div").attr("class", "kartaview-image-wrap");
+      context.ui().photoviewer.on("resize.kartaview", function(dimensions) {
+        imgZoom = zoom_default2().extent([[0, 0], dimensions]).translateExtent([[0, 0], dimensions]).scaleExtent([1, 15]).on("zoom", zoomPan);
+      });
+      function zoomPan(d3_event) {
+        var t = d3_event.transform;
+        context.container().select(".photoviewer .kartaview-image-wrap").call(utilSetTransform, t.x, t.y, t.k);
+      }
+      function rotate(deg) {
+        return function() {
+          if (!_oscSelectedImage)
+            return;
+          var sequenceKey = _oscSelectedImage.sequence_id;
+          var sequence = _oscCache.sequences[sequenceKey];
+          if (!sequence)
+            return;
+          var r = sequence.rotation || 0;
+          r += deg;
+          if (r > 180)
+            r -= 360;
+          if (r < -180)
+            r += 360;
+          sequence.rotation = r;
+          var wrap3 = context.container().select(".photoviewer .kartaview-wrapper");
+          wrap3.transition().duration(100).call(imgZoom.transform, identity2);
+          wrap3.selectAll(".kartaview-image").transition().duration(100).style("transform", "rotate(" + r + "deg)");
+        };
+      }
+      function step(stepBy) {
+        return function() {
+          if (!_oscSelectedImage)
+            return;
+          var sequenceKey = _oscSelectedImage.sequence_id;
+          var sequence = _oscCache.sequences[sequenceKey];
+          if (!sequence)
+            return;
+          var nextIndex = _oscSelectedImage.sequence_index + stepBy;
+          var nextImage = sequence.images[nextIndex];
+          if (!nextImage)
+            return;
+          context.map().centerEase(nextImage.loc);
+          that.selectImage(context, nextImage.key);
+        };
+      }
+      _loadViewerPromise2 = Promise.resolve();
+      return _loadViewerPromise2;
+    },
+    showViewer: function(context) {
+      var viewer = context.container().select(".photoviewer").classed("hide", false);
+      var isHidden = viewer.selectAll(".photo-wrapper.kartaview-wrapper.hide").size();
+      if (isHidden) {
+        viewer.selectAll(".photo-wrapper:not(.kartaview-wrapper)").classed("hide", true);
+        viewer.selectAll(".photo-wrapper.kartaview-wrapper").classed("hide", false);
+      }
+      return this;
+    },
+    hideViewer: function(context) {
+      _oscSelectedImage = null;
+      this.updateUrlImage(null);
+      var viewer = context.container().select(".photoviewer");
+      if (!viewer.empty())
+        viewer.datum(null);
+      viewer.classed("hide", true).selectAll(".photo-wrapper").classed("hide", true);
+      context.container().selectAll(".viewfield-group, .sequence, .icon-sign").classed("currentView", false);
+      return this.setStyles(context, null, true);
+    },
+    selectImage: function(context, imageKey) {
+      var d = this.cachedImage(imageKey);
+      _oscSelectedImage = d;
+      this.updateUrlImage(imageKey);
+      var viewer = context.container().select(".photoviewer");
+      if (!viewer.empty())
+        viewer.datum(d);
+      this.setStyles(context, null, true);
+      context.container().selectAll(".icon-sign").classed("currentView", false);
+      if (!d)
+        return this;
+      var wrap2 = context.container().select(".photoviewer .kartaview-wrapper");
+      var imageWrap = wrap2.selectAll(".kartaview-image-wrap");
+      var attribution = wrap2.selectAll(".photo-attribution").text("");
+      wrap2.transition().duration(100).call(imgZoom.transform, identity2);
+      imageWrap.selectAll(".kartaview-image").remove();
+      if (d) {
+        var sequence = _oscCache.sequences[d.sequence_id];
+        var r = sequence && sequence.rotation || 0;
+        imageWrap.append("img").attr("class", "kartaview-image").attr("src", apibase2 + "/" + d.imagePath).style("transform", "rotate(" + r + "deg)");
+        if (d.captured_by) {
+          attribution.append("a").attr("class", "captured_by").attr("target", "_blank").attr("href", "https://kartaview.org/user/" + encodeURIComponent(d.captured_by)).text("@" + d.captured_by);
+          attribution.append("span").text("|");
+        }
+        if (d.captured_at) {
+          attribution.append("span").attr("class", "captured_at").text(localeDateString2(d.captured_at));
+          attribution.append("span").text("|");
+        }
+        attribution.append("a").attr("class", "image-link").attr("target", "_blank").attr("href", "https://kartaview.org/details/" + d.sequence_id + "/" + d.sequence_index).text("kartaview.org");
+      }
+      return this;
+      function localeDateString2(s) {
+        if (!s)
+          return null;
+        var options2 = { day: "numeric", month: "short", year: "numeric" };
+        var d2 = new Date(s);
+        if (isNaN(d2.getTime()))
+          return null;
+        return d2.toLocaleDateString(_mainLocalizer.localeCode(), options2);
+      }
+    },
+    getSelectedImage: function() {
+      return _oscSelectedImage;
+    },
+    getSequenceKeyForImage: function(d) {
+      return d && d.sequence_id;
+    },
+    // Updates the currently highlighted sequence and selected bubble.
+    // Reset is only necessary when interacting with the viewport because
+    // this implicitly changes the currently selected bubble/sequence
+    setStyles: function(context, hovered, reset) {
+      if (reset) {
+        context.container().selectAll(".viewfield-group").classed("highlighted", false).classed("hovered", false).classed("currentView", false);
+        context.container().selectAll(".sequence").classed("highlighted", false).classed("currentView", false);
+      }
+      var hoveredImageKey = hovered && hovered.key;
+      var hoveredSequenceKey = this.getSequenceKeyForImage(hovered);
+      var hoveredSequence = hoveredSequenceKey && _oscCache.sequences[hoveredSequenceKey];
+      var hoveredImageKeys = hoveredSequence && hoveredSequence.images.map(function(d) {
+        return d.key;
+      }) || [];
+      var viewer = context.container().select(".photoviewer");
+      var selected = viewer.empty() ? void 0 : viewer.datum();
+      var selectedImageKey = selected && selected.key;
+      var selectedSequenceKey = this.getSequenceKeyForImage(selected);
+      var selectedSequence = selectedSequenceKey && _oscCache.sequences[selectedSequenceKey];
+      var selectedImageKeys = selectedSequence && selectedSequence.images.map(function(d) {
+        return d.key;
+      }) || [];
+      var highlightedImageKeys = utilArrayUnion(hoveredImageKeys, selectedImageKeys);
+      context.container().selectAll(".layer-kartaview .viewfield-group").classed("highlighted", function(d) {
+        return highlightedImageKeys.indexOf(d.key) !== -1;
+      }).classed("hovered", function(d) {
+        return d.key === hoveredImageKey;
+      }).classed("currentView", function(d) {
+        return d.key === selectedImageKey;
+      });
+      context.container().selectAll(".layer-kartaview .sequence").classed("highlighted", function(d) {
+        return d.properties.key === hoveredSequenceKey;
+      }).classed("currentView", function(d) {
+        return d.properties.key === selectedSequenceKey;
+      });
+      context.container().selectAll(".layer-kartaview .viewfield-group .viewfield").attr("d", viewfieldPath);
+      function viewfieldPath() {
+        var d = this.parentNode.__data__;
+        if (d.pano && d.key !== selectedImageKey) {
+          return "M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0";
+        } else {
+          return "M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z";
+        }
+      }
+      return this;
+    },
+    updateUrlImage: function(imageKey) {
+      if (!window.mocha) {
+        var hash = utilStringQs(window.location.hash);
+        if (imageKey) {
+          hash.photo = "kartaview/" + imageKey;
+        } else {
+          delete hash.photo;
+        }
+        window.location.replace("#" + utilQsString(hash, true));
+      }
+    },
+    cache: function() {
+      return _oscCache;
+    }
+  };
+
+  // node_modules/osm-auth/src/osm-auth.mjs
+  var import_store = __toESM(require_store_legacy(), 1);
+  function osmAuth(o) {
+    var oauth2 = {};
+    oauth2.authenticated = function() {
+      return !!token("oauth2_access_token");
+    };
+    oauth2.logout = function() {
+      token("oauth2_access_token", "");
+      token("oauth_token", "");
+      token("oauth_token_secret", "");
+      token("oauth_request_token_secret", "");
+      return oauth2;
+    };
+    oauth2.authenticate = function(callback) {
+      if (oauth2.authenticated()) {
+        callback(null, oauth2);
+        return;
+      }
+      oauth2.logout();
+      var url = o.url + "/oauth2/authorize?" + utilQsString2({
+        client_id: o.client_id,
+        redirect_uri: o.redirect_uri,
+        response_type: "code",
+        scope: o.scope
+      });
+      if (o.singlepage) {
+        var params = utilStringQs2(window.location.search.slice(1));
+        if (params.code) {
+          getAccessToken(params.code);
+        } else {
+          window.location = url;
+        }
+      } else {
+        var w = 600;
+        var h = 550;
+        var settings = [
+          ["width", w],
+          ["height", h],
+          ["left", window.screen.width / 2 - w / 2],
+          ["top", window.screen.height / 2 - h / 2]
+        ].map(function(x) {
+          return x.join("=");
+        }).join(",");
+        var popup = window.open("about:blank", "oauth_window", settings);
+        oauth2.popupWindow = popup;
+        popup.location = url;
+        if (!popup) {
+          var error = new Error("Popup was blocked");
+          error.status = "popup-blocked";
+          throw error;
+        }
+      }
+      window.authComplete = function(url2) {
+        var params2 = utilStringQs2(url2.split("?")[1]);
+        getAccessToken(params2.code);
+        delete window.authComplete;
+      };
+      function getAccessToken(auth_code) {
+        var url2 = o.url + "/oauth2/token?" + utilQsString2({
+          client_id: o.client_id,
+          grant_type: "authorization_code",
+          code: auth_code,
+          redirect_uri: o.redirect_uri,
+          client_secret: o.client_secret
+        });
+        oauth2.rawxhr("POST", url2, null, null, null, accessTokenDone);
+        o.loading();
+      }
+      function accessTokenDone(err, xhr) {
+        o.done();
+        if (err) {
+          callback(err);
+          return;
+        }
+        var access_token = JSON.parse(xhr.response);
+        token("oauth2_access_token", access_token.access_token);
+        callback(null, oauth2);
+      }
+    };
+    oauth2.bringPopupWindowToFront = function() {
+      var broughtPopupToFront = false;
+      try {
+        if (oauth2.popupWindow && !oauth2.popupWindow.closed) {
+          oauth2.popupWindow.focus();
+          broughtPopupToFront = true;
+        }
+      } catch (err) {
+      }
+      return broughtPopupToFront;
+    };
+    oauth2.bootstrapToken = function(auth_code, callback) {
+      function getAccessToken(auth_code2) {
+        var url = o.url + "/oauth2/token?" + utilQsString2({
+          client_id: o.client_id,
+          grant_type: "authorization_code",
+          code: auth_code2,
+          redirect_uri: o.redirect_uri,
+          client_secret: o.client_secret
+        });
+        oauth2.rawxhr("POST", url, null, null, null, accessTokenDone);
+        o.loading();
+      }
+      function accessTokenDone(err, xhr) {
+        o.done();
+        if (err) {
+          callback(err);
+          return;
+        }
+        var access_token = JSON.parse(xhr.response);
+        token("oauth2_access_token", access_token.access_token);
+        callback(null, oauth2);
+      }
+      getAccessToken(auth_code);
+    };
+    oauth2.fetch = function(path, options2, callback) {
+      if (oauth2.authenticated()) {
+        return run();
+      } else {
+        if (o.auto) {
+          oauth2.authenticate(run);
+          return;
+        } else {
+          callback("not authenticated", null);
+          return;
+        }
+      }
+      function run() {
+        var url = options2.prefix !== false ? o.url + path : path;
+        var headers = options2.headers || { "Content-Type": "application/x-www-form-urlencoded" };
+        headers.Authorization = "Bearer " + token("oauth2_access_token");
+        return fetch(url, {
+          method: options2.method,
+          body: options2.body,
+          headers
+        }).then((resp) => {
+          var contentType = resp.headers.get("content-type").split(";")[0];
+          switch (contentType) {
+            case "text/html":
+            case "text/xml":
+              return resp.text().then(
+                (txt) => new window.DOMParser().parseFromString(txt, contentType)
+              );
+            case "application/html":
+              return resp.json();
+            default:
+              return resp.text();
+          }
+        });
+      }
+    };
+    oauth2.xhr = function(options2, callback) {
+      if (oauth2.authenticated()) {
+        return run();
+      } else {
+        if (o.auto) {
+          oauth2.authenticate(run);
+          return;
+        } else {
+          callback("not authenticated", null);
+          return;
+        }
+      }
+      function run() {
+        var url = options2.prefix !== false ? o.url + options2.path : options2.path;
+        return oauth2.rawxhr(
+          options2.method,
+          url,
+          token("oauth2_access_token"),
+          options2.content,
+          options2.headers,
+          done
+        );
+      }
+      function done(err, xhr) {
+        if (err) {
+          callback(err);
+        } else if (xhr.responseXML) {
+          callback(err, xhr.responseXML);
+        } else {
+          callback(err, xhr.response);
+        }
+      }
+    };
+    oauth2.rawxhr = function(method, url, access_token, data, headers, callback) {
+      headers = headers || { "Content-Type": "application/x-www-form-urlencoded" };
+      if (access_token) {
+        headers.Authorization = "Bearer " + access_token;
+      }
+      var xhr = new XMLHttpRequest();
+      xhr.onreadystatechange = function() {
+        if (4 === xhr.readyState && 0 !== xhr.status) {
+          if (/^20\d$/.test(xhr.status)) {
+            callback(null, xhr);
+          } else {
+            callback(xhr, null);
+          }
+        }
+      };
+      xhr.onerror = function(e) {
+        callback(e, null);
+      };
+      xhr.open(method, url, true);
+      for (var h in headers)
+        xhr.setRequestHeader(h, headers[h]);
+      xhr.send(data);
+      return xhr;
+    };
+    oauth2.preauth = function(val) {
+      if (val && val.access_token) {
+        token("oauth2_access_token", val.access_token);
+      }
+      return oauth2;
+    };
+    oauth2.options = function(val) {
+      if (!arguments.length)
+        return o;
+      o = val;
+      o.url = o.url || "https://www.openstreetmap.org";
+      o.auto = o.auto || false;
+      o.singlepage = o.singlepage || false;
+      o.loading = o.loading || function() {
+      };
+      o.done = o.done || function() {
+      };
+      return oauth2.preauth(o);
+    };
+    var token;
+    if (import_store.default.enabled) {
+      token = function(x, y) {
+        if (arguments.length === 1)
+          return import_store.default.get(o.url + x);
+        else if (arguments.length === 2)
+          return import_store.default.set(o.url + x, y);
+      };
+    } else {
+      var storage = {};
+      token = function(x, y) {
+        if (arguments.length === 1)
+          return storage[o.url + x];
+        else if (arguments.length === 2)
+          return storage[o.url + x] = y;
+      };
+    }
+    oauth2.options(o);
+    return oauth2;
+  }
+  function utilQsString2(obj) {
+    return Object.keys(obj).sort().map(function(key) {
+      return encodeURIComponent(key) + "=" + encodeURIComponent(obj[key]);
+    }).join("&");
+  }
+  function utilStringQs2(str2) {
+    var i2 = 0;
+    while (i2 < str2.length && (str2[i2] === "?" || str2[i2] === "#"))
+      i2++;
+    str2 = str2.slice(i2);
+    return str2.split("&").reduce(function(obj, pair2) {
+      var parts = pair2.split("=");
+      if (parts.length === 2) {
+        obj[parts[0]] = decodeURIComponent(parts[1]);
+      }
+      return obj;
+    }, {});
+  }
+
+  // modules/services/osm.js
+  var import_rbush9 = __toESM(require_rbush_min());
+  var tiler5 = utilTiler();
+  var dispatch7 = dispatch_default("apiStatusChange", "authLoading", "authDone", "change", "loading", "loaded", "loadedNotes");
+  var urlroot = osmApiConnections[0].url;
+  var redirectPath = window.location.origin + window.location.pathname;
+  var oauth = osmAuth({
+    url: urlroot,
+    client_id: osmApiConnections[0].client_id,
+    client_secret: osmApiConnections[0].client_secret,
+    scope: "read_prefs write_prefs write_api read_gpx write_notes",
+    redirect_uri: redirectPath + "land.html",
+    loading: authLoading,
+    done: authDone
+  });
+  var _apiConnections = osmApiConnections;
+  var _imageryBlocklists = [/.*\.google(apis)?\..*\/(vt|kh)[\?\/].*([xyz]=.*){3}.*/];
+  var _tileCache = { toLoad: {}, loaded: {}, inflight: {}, seen: {}, rtree: new import_rbush9.default() };
+  var _noteCache = { toLoad: {}, loaded: {}, inflight: {}, inflightPost: {}, note: {}, closed: {}, rtree: new import_rbush9.default() };
+  var _userCache = { toLoad: {}, user: {} };
+  var _cachedApiStatus;
+  var _changeset = {};
+  var _deferred = /* @__PURE__ */ new Set();
+  var _connectionID = 1;
+  var _tileZoom4 = 16;
+  var _noteZoom = 12;
+  var _rateLimitError;
+  var _userChangesets;
+  var _userDetails;
+  var _off;
+  var _maxWayNodes = 2e3;
+  function authLoading() {
+    dispatch7.call("authLoading");
+  }
+  function authDone() {
+    dispatch7.call("authDone");
+  }
+  function abortRequest5(controllerOrXHR) {
+    if (controllerOrXHR) {
+      controllerOrXHR.abort();
+    }
+  }
+  function hasInflightRequests(cache) {
+    return Object.keys(cache.inflight).length;
+  }
+  function abortUnwantedRequests4(cache, visibleTiles) {
+    Object.keys(cache.inflight).forEach(function(k) {
+      if (cache.toLoad[k])
+        return;
+      if (visibleTiles.find(function(tile) {
+        return k === tile.id;
+      }))
+        return;
+      abortRequest5(cache.inflight[k]);
+      delete cache.inflight[k];
+    });
+  }
+  function getLoc(attrs) {
+    var lon = attrs.lon && attrs.lon.value;
+    var lat = attrs.lat && attrs.lat.value;
+    return [Number(lon), Number(lat)];
+  }
+  function getNodes(obj) {
+    var elems = obj.getElementsByTagName("nd");
+    var nodes = new Array(elems.length);
+    for (var i2 = 0, l = elems.length; i2 < l; i2++) {
+      nodes[i2] = "n" + elems[i2].attributes.ref.value;
+    }
+    return nodes;
+  }
+  function getNodesJSON(obj) {
+    var elems = obj.nodes;
+    var nodes = new Array(elems.length);
+    for (var i2 = 0, l = elems.length; i2 < l; i2++) {
+      nodes[i2] = "n" + elems[i2];
+    }
+    return nodes;
+  }
+  function getTags(obj) {
+    var elems = obj.getElementsByTagName("tag");
+    var tags = {};
+    for (var i2 = 0, l = elems.length; i2 < l; i2++) {
+      var attrs = elems[i2].attributes;
+      tags[attrs.k.value] = attrs.v.value;
+    }
+    return tags;
+  }
+  function getMembers(obj) {
+    var elems = obj.getElementsByTagName("member");
+    var members = new Array(elems.length);
+    for (var i2 = 0, l = elems.length; i2 < l; i2++) {
+      var attrs = elems[i2].attributes;
+      members[i2] = {
+        id: attrs.type.value[0] + attrs.ref.value,
+        type: attrs.type.value,
+        role: attrs.role.value
+      };
+    }
+    return members;
+  }
+  function getMembersJSON(obj) {
+    var elems = obj.members;
+    var members = new Array(elems.length);
+    for (var i2 = 0, l = elems.length; i2 < l; i2++) {
+      var attrs = elems[i2];
+      members[i2] = {
+        id: attrs.type[0] + attrs.ref,
+        type: attrs.type,
+        role: attrs.role
+      };
+    }
+    return members;
+  }
+  function getVisible(attrs) {
+    return !attrs.visible || attrs.visible.value !== "false";
+  }
+  function parseComments(comments) {
+    var parsedComments = [];
+    for (var i2 = 0; i2 < comments.length; i2++) {
+      var comment = comments[i2];
+      if (comment.nodeName === "comment") {
+        var childNodes = comment.childNodes;
+        var parsedComment = {};
+        for (var j2 = 0; j2 < childNodes.length; j2++) {
+          var node = childNodes[j2];
+          var nodeName = node.nodeName;
+          if (nodeName === "#text")
+            continue;
+          parsedComment[nodeName] = node.textContent;
+          if (nodeName === "uid") {
+            var uid = node.textContent;
+            if (uid && !_userCache.user[uid]) {
+              _userCache.toLoad[uid] = true;
+            }
+          }
+        }
+        if (parsedComment) {
+          parsedComments.push(parsedComment);
+        }
+      }
+    }
+    return parsedComments;
+  }
+  function encodeNoteRtree(note) {
+    return {
+      minX: note.loc[0],
+      minY: note.loc[1],
+      maxX: note.loc[0],
+      maxY: note.loc[1],
+      data: note
+    };
+  }
+  var jsonparsers = {
+    node: function nodeData(obj, uid) {
+      return new osmNode({
+        id: uid,
+        visible: typeof obj.visible === "boolean" ? obj.visible : true,
+        version: obj.version && obj.version.toString(),
+        changeset: obj.changeset && obj.changeset.toString(),
+        timestamp: obj.timestamp,
+        user: obj.user,
+        uid: obj.uid && obj.uid.toString(),
+        loc: [Number(obj.lon), Number(obj.lat)],
+        tags: obj.tags
+      });
+    },
+    way: function wayData(obj, uid) {
+      return new osmWay({
+        id: uid,
+        visible: typeof obj.visible === "boolean" ? obj.visible : true,
+        version: obj.version && obj.version.toString(),
+        changeset: obj.changeset && obj.changeset.toString(),
+        timestamp: obj.timestamp,
+        user: obj.user,
+        uid: obj.uid && obj.uid.toString(),
+        tags: obj.tags,
+        nodes: getNodesJSON(obj)
+      });
+    },
+    relation: function relationData(obj, uid) {
+      return new osmRelation({
+        id: uid,
+        visible: typeof obj.visible === "boolean" ? obj.visible : true,
+        version: obj.version && obj.version.toString(),
+        changeset: obj.changeset && obj.changeset.toString(),
+        timestamp: obj.timestamp,
+        user: obj.user,
+        uid: obj.uid && obj.uid.toString(),
+        tags: obj.tags,
+        members: getMembersJSON(obj)
+      });
+    },
+    user: function parseUser(obj, uid) {
+      return {
+        id: uid,
+        display_name: obj.display_name,
+        account_created: obj.account_created,
+        image_url: obj.img && obj.img.href,
+        changesets_count: obj.changesets && obj.changesets.count && obj.changesets.count.toString() || "0",
+        active_blocks: obj.blocks && obj.blocks.received && obj.blocks.received.active && obj.blocks.received.active.toString() || "0"
+      };
+    }
+  };
+  function parseJSON(payload, callback, options2) {
+    options2 = Object.assign({ skipSeen: true }, options2);
+    if (!payload) {
+      return callback({ message: "No JSON", status: -1 });
+    }
+    var json = payload;
+    if (typeof json !== "object")
+      json = JSON.parse(payload);
+    if (!json.elements)
+      return callback({ message: "No JSON", status: -1 });
+    var children2 = json.elements;
+    var handle = window.requestIdleCallback(function() {
+      _deferred.delete(handle);
+      var results = [];
+      var result;
+      for (var i2 = 0; i2 < children2.length; i2++) {
+        result = parseChild(children2[i2]);
+        if (result)
+          results.push(result);
+      }
+      callback(null, results);
+    });
+    _deferred.add(handle);
+    function parseChild(child) {
+      var parser3 = jsonparsers[child.type];
+      if (!parser3)
+        return null;
+      var uid;
+      uid = osmEntity.id.fromOSM(child.type, child.id);
+      if (options2.skipSeen) {
+        if (_tileCache.seen[uid])
+          return null;
+        _tileCache.seen[uid] = true;
+      }
+      return parser3(child, uid);
+    }
+  }
+  function parseUserJSON(payload, callback, options2) {
+    options2 = Object.assign({ skipSeen: true }, options2);
+    if (!payload) {
+      return callback({ message: "No JSON", status: -1 });
+    }
+    var json = payload;
+    if (typeof json !== "object")
+      json = JSON.parse(payload);
+    if (!json.users && !json.user)
+      return callback({ message: "No JSON", status: -1 });
+    var objs = json.users || [json];
+    var handle = window.requestIdleCallback(function() {
+      _deferred.delete(handle);
+      var results = [];
+      var result;
+      for (var i2 = 0; i2 < objs.length; i2++) {
+        result = parseObj(objs[i2]);
+        if (result)
+          results.push(result);
+      }
+      callback(null, results);
+    });
+    _deferred.add(handle);
+    function parseObj(obj) {
+      var uid = obj.user.id && obj.user.id.toString();
+      if (options2.skipSeen && _userCache.user[uid]) {
+        delete _userCache.toLoad[uid];
+        return null;
+      }
+      var user = jsonparsers.user(obj.user, uid);
+      _userCache.user[uid] = user;
+      delete _userCache.toLoad[uid];
+      return user;
+    }
+  }
+  var parsers = {
+    node: function nodeData2(obj, uid) {
+      var attrs = obj.attributes;
+      return new osmNode({
+        id: uid,
+        visible: getVisible(attrs),
+        version: attrs.version.value,
+        changeset: attrs.changeset && attrs.changeset.value,
+        timestamp: attrs.timestamp && attrs.timestamp.value,
+        user: attrs.user && attrs.user.value,
+        uid: attrs.uid && attrs.uid.value,
+        loc: getLoc(attrs),
+        tags: getTags(obj)
+      });
+    },
+    way: function wayData2(obj, uid) {
+      var attrs = obj.attributes;
+      return new osmWay({
+        id: uid,
+        visible: getVisible(attrs),
+        version: attrs.version.value,
+        changeset: attrs.changeset && attrs.changeset.value,
+        timestamp: attrs.timestamp && attrs.timestamp.value,
+        user: attrs.user && attrs.user.value,
+        uid: attrs.uid && attrs.uid.value,
+        tags: getTags(obj),
+        nodes: getNodes(obj)
+      });
+    },
+    relation: function relationData2(obj, uid) {
+      var attrs = obj.attributes;
+      return new osmRelation({
+        id: uid,
+        visible: getVisible(attrs),
+        version: attrs.version.value,
+        changeset: attrs.changeset && attrs.changeset.value,
+        timestamp: attrs.timestamp && attrs.timestamp.value,
+        user: attrs.user && attrs.user.value,
+        uid: attrs.uid && attrs.uid.value,
+        tags: getTags(obj),
+        members: getMembers(obj)
+      });
+    },
+    note: function parseNote(obj, uid) {
+      var attrs = obj.attributes;
+      var childNodes = obj.childNodes;
+      var props = {};
+      props.id = uid;
+      props.loc = getLoc(attrs);
+      var coincident = false;
+      var epsilon3 = 1e-5;
+      do {
+        if (coincident) {
+          props.loc = geoVecAdd(props.loc, [epsilon3, epsilon3]);
+        }
+        var bbox2 = geoExtent(props.loc).bbox();
+        coincident = _noteCache.rtree.search(bbox2).length;
+      } while (coincident);
+      for (var i2 = 0; i2 < childNodes.length; i2++) {
+        var node = childNodes[i2];
+        var nodeName = node.nodeName;
+        if (nodeName === "#text")
+          continue;
+        if (nodeName === "comments") {
+          props[nodeName] = parseComments(node.childNodes);
+        } else {
+          props[nodeName] = node.textContent;
+        }
+      }
+      var note = new osmNote(props);
+      var item = encodeNoteRtree(note);
+      _noteCache.note[note.id] = note;
+      _noteCache.rtree.insert(item);
+      return note;
+    },
+    user: function parseUser2(obj, uid) {
+      var attrs = obj.attributes;
+      var user = {
+        id: uid,
+        display_name: attrs.display_name && attrs.display_name.value,
+        account_created: attrs.account_created && attrs.account_created.value,
+        changesets_count: "0",
+        active_blocks: "0"
+      };
+      var img = obj.getElementsByTagName("img");
+      if (img && img[0] && img[0].getAttribute("href")) {
+        user.image_url = img[0].getAttribute("href");
+      }
+      var changesets = obj.getElementsByTagName("changesets");
+      if (changesets && changesets[0] && changesets[0].getAttribute("count")) {
+        user.changesets_count = changesets[0].getAttribute("count");
+      }
+      var blocks = obj.getElementsByTagName("blocks");
+      if (blocks && blocks[0]) {
+        var received = blocks[0].getElementsByTagName("received");
+        if (received && received[0] && received[0].getAttribute("active")) {
+          user.active_blocks = received[0].getAttribute("active");
+        }
+      }
+      _userCache.user[uid] = user;
+      delete _userCache.toLoad[uid];
+      return user;
+    }
+  };
+  function parseXML(xml, callback, options2) {
+    options2 = Object.assign({ skipSeen: true }, options2);
+    if (!xml || !xml.childNodes) {
+      return callback({ message: "No XML", status: -1 });
+    }
+    var root3 = xml.childNodes[0];
+    var children2 = root3.childNodes;
+    var handle = window.requestIdleCallback(function() {
+      _deferred.delete(handle);
+      var results = [];
+      var result;
+      for (var i2 = 0; i2 < children2.length; i2++) {
+        result = parseChild(children2[i2]);
+        if (result)
+          results.push(result);
+      }
+      callback(null, results);
+    });
+    _deferred.add(handle);
+    function parseChild(child) {
+      var parser3 = parsers[child.nodeName];
+      if (!parser3)
+        return null;
+      var uid;
+      if (child.nodeName === "user") {
+        uid = child.attributes.id.value;
+        if (options2.skipSeen && _userCache.user[uid]) {
+          delete _userCache.toLoad[uid];
+          return null;
+        }
+      } else if (child.nodeName === "note") {
+        uid = child.getElementsByTagName("id")[0].textContent;
+      } else {
+        uid = osmEntity.id.fromOSM(child.nodeName, child.attributes.id.value);
+        if (options2.skipSeen) {
+          if (_tileCache.seen[uid])
+            return null;
+          _tileCache.seen[uid] = true;
+        }
+      }
+      return parser3(child, uid);
+    }
+  }
+  function updateRtree4(item, replace) {
+    _noteCache.rtree.remove(item, function isEql(a, b) {
+      return a.data.id === b.data.id;
+    });
+    if (replace) {
+      _noteCache.rtree.insert(item);
+    }
+  }
+  function wrapcb(thisArg, callback, cid) {
+    return function(err, result) {
+      if (err) {
+        if (err.status === 400 || err.status === 401 || err.status === 403) {
+          thisArg.logout();
+        }
+        return callback.call(thisArg, err);
+      } else if (thisArg.getConnectionId() !== cid) {
+        return callback.call(thisArg, { message: "Connection Switched", status: -1 });
+      } else {
+        return callback.call(thisArg, err, result);
+      }
+    };
+  }
+  var osm_default = {
+    init: function() {
+      utilRebind(this, dispatch7, "on");
+    },
+    reset: function() {
+      Array.from(_deferred).forEach(function(handle) {
+        window.cancelIdleCallback(handle);
+        _deferred.delete(handle);
+      });
+      _connectionID++;
+      _userChangesets = void 0;
+      _userDetails = void 0;
+      _rateLimitError = void 0;
+      Object.values(_tileCache.inflight).forEach(abortRequest5);
+      Object.values(_noteCache.inflight).forEach(abortRequest5);
+      Object.values(_noteCache.inflightPost).forEach(abortRequest5);
+      if (_changeset.inflight)
+        abortRequest5(_changeset.inflight);
+      _tileCache = { toLoad: {}, loaded: {}, inflight: {}, seen: {}, rtree: new import_rbush9.default() };
+      _noteCache = { toLoad: {}, loaded: {}, inflight: {}, inflightPost: {}, note: {}, closed: {}, rtree: new import_rbush9.default() };
+      _userCache = { toLoad: {}, user: {} };
+      _cachedApiStatus = void 0;
+      _changeset = {};
+      return this;
+    },
+    getConnectionId: function() {
+      return _connectionID;
+    },
+    getUrlRoot: function() {
+      return urlroot;
+    },
+    changesetURL: function(changesetID) {
+      return urlroot + "/changeset/" + changesetID;
+    },
+    changesetsURL: function(center, zoom) {
+      var precision2 = Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));
+      return urlroot + "/history#map=" + Math.floor(zoom) + "/" + center[1].toFixed(precision2) + "/" + center[0].toFixed(precision2);
+    },
+    entityURL: function(entity) {
+      return urlroot + "/" + entity.type + "/" + entity.osmId();
+    },
+    historyURL: function(entity) {
+      return urlroot + "/" + entity.type + "/" + entity.osmId() + "/history";
+    },
+    userURL: function(username) {
+      return urlroot + "/user/" + encodeURIComponent(username);
+    },
+    noteURL: function(note) {
+      return urlroot + "/note/" + note.id;
+    },
+    noteReportURL: function(note) {
+      return urlroot + "/reports/new?reportable_type=Note&reportable_id=" + note.id;
+    },
+    // Generic method to load data from the OSM API
+    // Can handle either auth or unauth calls.
+    loadFromAPI: function(path, callback, options2) {
+      options2 = Object.assign({ skipSeen: true }, options2);
+      var that = this;
+      var cid = _connectionID;
+      function done(err, payload) {
+        if (that.getConnectionId() !== cid) {
+          if (callback)
+            callback({ message: "Connection Switched", status: -1 });
+          return;
+        }
+        var isAuthenticated = that.authenticated();
+        if (isAuthenticated && err && err.status && (err.status === 400 || err.status === 401 || err.status === 403)) {
+          that.logout();
+          that.loadFromAPI(path, callback, options2);
+        } else {
+          if (!isAuthenticated && !_rateLimitError && err && err.status && (err.status === 509 || err.status === 429)) {
+            _rateLimitError = err;
+            dispatch7.call("change");
+            that.reloadApiStatus();
+          } else if (err && _cachedApiStatus === "online" || !err && _cachedApiStatus !== "online") {
+            that.reloadApiStatus();
+          }
+          if (callback) {
+            if (err) {
+              return callback(err);
+            } else {
+              if (path.indexOf(".json") !== -1) {
+                return parseJSON(payload, callback, options2);
+              } else {
+                return parseXML(payload, callback, options2);
+              }
+            }
+          }
+        }
+      }
+      if (this.authenticated()) {
+        return oauth.xhr({ method: "GET", path }, done);
+      } else {
+        var url = urlroot + path;
+        var controller = new AbortController();
+        var fn;
+        if (path.indexOf(".json") !== -1) {
+          fn = json_default;
+        } else {
+          fn = xml_default;
+        }
+        fn(url, { signal: controller.signal }).then(function(data) {
+          done(null, data);
+        }).catch(function(err) {
+          if (err.name === "AbortError")
+            return;
+          var match = err.message.match(/^\d{3}/);
+          if (match) {
+            done({ status: +match[0], statusText: err.message });
+          } else {
+            done(err.message);
+          }
+        });
+        return controller;
+      }
+    },
+    // Load a single entity by id (ways and relations use the `/full` call to include
+    // nodes and members). Parent relations are not included, see `loadEntityRelations`.
+    // GET /api/0.6/node/#id
+    // GET /api/0.6/[way|relation]/#id/full
+    loadEntity: function(id2, callback) {
+      var type2 = osmEntity.id.type(id2);
+      var osmID = osmEntity.id.toOSM(id2);
+      var options2 = { skipSeen: false };
+      this.loadFromAPI(
+        "/api/0.6/" + type2 + "/" + osmID + (type2 !== "node" ? "/full" : "") + ".json",
+        function(err, entities) {
+          if (callback)
+            callback(err, { data: entities });
+        },
+        options2
+      );
+    },
+    // Load a single entity with a specific version
+    // GET /api/0.6/[node|way|relation]/#id/#version
+    loadEntityVersion: function(id2, version, callback) {
+      var type2 = osmEntity.id.type(id2);
+      var osmID = osmEntity.id.toOSM(id2);
+      var options2 = { skipSeen: false };
+      this.loadFromAPI(
+        "/api/0.6/" + type2 + "/" + osmID + "/" + version + ".json",
+        function(err, entities) {
+          if (callback)
+            callback(err, { data: entities });
+        },
+        options2
+      );
+    },
+    // Load the relations of a single entity with the given.
+    // GET /api/0.6/[node|way|relation]/#id/relations
+    loadEntityRelations: function(id2, callback) {
+      var type2 = osmEntity.id.type(id2);
+      var osmID = osmEntity.id.toOSM(id2);
+      var options2 = { skipSeen: false };
+      this.loadFromAPI(
+        "/api/0.6/" + type2 + "/" + osmID + "/relations.json",
+        function(err, entities) {
+          if (callback)
+            callback(err, { data: entities });
+        },
+        options2
+      );
+    },
+    // Load multiple entities in chunks
+    // (note: callback may be called multiple times)
+    // Unlike `loadEntity`, child nodes and members are not fetched
+    // GET /api/0.6/[nodes|ways|relations]?#parameters
+    loadMultiple: function(ids, callback) {
+      var that = this;
+      var groups = utilArrayGroupBy(utilArrayUniq(ids), osmEntity.id.type);
+      Object.keys(groups).forEach(function(k) {
+        var type2 = k + "s";
+        var osmIDs = groups[k].map(function(id2) {
+          return osmEntity.id.toOSM(id2);
+        });
+        var options2 = { skipSeen: false };
+        utilArrayChunk(osmIDs, 150).forEach(function(arr) {
+          that.loadFromAPI(
+            "/api/0.6/" + type2 + ".json?" + type2 + "=" + arr.join(),
+            function(err, entities) {
+              if (callback)
+                callback(err, { data: entities });
+            },
+            options2
+          );
+        });
+      });
+    },
+    // Create, upload, and close a changeset
+    // PUT /api/0.6/changeset/create
+    // POST /api/0.6/changeset/#id/upload
+    // PUT /api/0.6/changeset/#id/close
+    putChangeset: function(changeset, changes, callback) {
+      var cid = _connectionID;
+      if (_changeset.inflight) {
+        return callback({ message: "Changeset already inflight", status: -2 }, changeset);
+      } else if (_changeset.open) {
+        return createdChangeset.call(this, null, _changeset.open);
+      } else {
+        var options2 = {
+          method: "PUT",
+          path: "/api/0.6/changeset/create",
+          headers: { "Content-Type": "text/xml" },
+          content: JXON.stringify(changeset.asJXON())
+        };
+        _changeset.inflight = oauth.xhr(
+          options2,
+          wrapcb(this, createdChangeset, cid)
+        );
+      }
+      function createdChangeset(err, changesetID) {
+        _changeset.inflight = null;
+        if (err) {
+          return callback(err, changeset);
+        }
+        _changeset.open = changesetID;
+        changeset = changeset.update({ id: changesetID });
+        var options3 = {
+          method: "POST",
+          path: "/api/0.6/changeset/" + changesetID + "/upload",
+          headers: { "Content-Type": "text/xml" },
+          content: JXON.stringify(changeset.osmChangeJXON(changes))
+        };
+        _changeset.inflight = oauth.xhr(
+          options3,
+          wrapcb(this, uploadedChangeset, cid)
+        );
+      }
+      function uploadedChangeset(err) {
+        _changeset.inflight = null;
+        if (err)
+          return callback(err, changeset);
+        window.setTimeout(function() {
+          callback(null, changeset);
+        }, 2500);
+        _changeset.open = null;
+        if (this.getConnectionId() === cid) {
+          oauth.xhr({
+            method: "PUT",
+            path: "/api/0.6/changeset/" + changeset.id + "/close",
+            headers: { "Content-Type": "text/xml" }
+          }, function() {
+            return true;
+          });
+        }
+      }
+    },
+    // Load multiple users in chunks
+    // (note: callback may be called multiple times)
+    // GET /api/0.6/users?users=#id1,#id2,...,#idn
+    loadUsers: function(uids, callback) {
+      var toLoad = [];
+      var cached = [];
+      utilArrayUniq(uids).forEach(function(uid) {
+        if (_userCache.user[uid]) {
+          delete _userCache.toLoad[uid];
+          cached.push(_userCache.user[uid]);
+        } else {
+          toLoad.push(uid);
+        }
+      });
+      if (cached.length || !this.authenticated()) {
+        callback(void 0, cached);
+        if (!this.authenticated())
+          return;
+      }
+      utilArrayChunk(toLoad, 150).forEach(function(arr) {
+        oauth.xhr(
+          { method: "GET", path: "/api/0.6/users.json?users=" + arr.join() },
+          wrapcb(this, done, _connectionID)
+        );
+      }.bind(this));
+      function done(err, payload) {
+        if (err)
+          return callback(err);
+        var options2 = { skipSeen: true };
+        return parseUserJSON(payload, function(err2, results) {
+          if (err2)
+            return callback(err2);
+          return callback(void 0, results);
+        }, options2);
+      }
+    },
+    // Load a given user by id
+    // GET /api/0.6/user/#id
+    loadUser: function(uid, callback) {
+      if (_userCache.user[uid] || !this.authenticated()) {
+        delete _userCache.toLoad[uid];
+        return callback(void 0, _userCache.user[uid]);
+      }
+      oauth.xhr(
+        { method: "GET", path: "/api/0.6/user/" + uid + ".json" },
+        wrapcb(this, done, _connectionID)
+      );
+      function done(err, payload) {
+        if (err)
+          return callback(err);
+        var options2 = { skipSeen: true };
+        return parseUserJSON(payload, function(err2, results) {
+          if (err2)
+            return callback(err2);
+          return callback(void 0, results[0]);
+        }, options2);
+      }
+    },
+    // Load the details of the logged-in user
+    // GET /api/0.6/user/details
+    userDetails: function(callback) {
+      if (_userDetails) {
+        return callback(void 0, _userDetails);
+      }
+      oauth.xhr(
+        { method: "GET", path: "/api/0.6/user/details.json" },
+        wrapcb(this, done, _connectionID)
+      );
+      function done(err, payload) {
+        if (err)
+          return callback(err);
+        var options2 = { skipSeen: false };
+        return parseUserJSON(payload, function(err2, results) {
+          if (err2)
+            return callback(err2);
+          _userDetails = results[0];
+          return callback(void 0, _userDetails);
+        }, options2);
+      }
+    },
+    // Load previous changesets for the logged in user
+    // GET /api/0.6/changesets?user=#id
+    userChangesets: function(callback) {
+      if (_userChangesets) {
+        return callback(void 0, _userChangesets);
+      }
+      this.userDetails(
+        wrapcb(this, gotDetails, _connectionID)
+      );
+      function gotDetails(err, user) {
+        if (err) {
+          return callback(err);
+        }
+        oauth.xhr(
+          { method: "GET", path: "/api/0.6/changesets?user=" + user.id },
+          wrapcb(this, done, _connectionID)
+        );
+      }
+      function done(err, xml) {
+        if (err) {
+          return callback(err);
+        }
+        _userChangesets = Array.prototype.map.call(
+          xml.getElementsByTagName("changeset"),
+          function(changeset) {
+            return { tags: getTags(changeset) };
+          }
+        ).filter(function(changeset) {
+          var comment = changeset.tags.comment;
+          return comment && comment !== "";
+        });
+        return callback(void 0, _userChangesets);
+      }
+    },
+    // Fetch the status of the OSM API
+    // GET /api/capabilities
+    status: function(callback) {
+      var url = urlroot + "/api/capabilities";
+      var errback = wrapcb(this, done, _connectionID);
+      xml_default(url).then(function(data) {
+        errback(null, data);
+      }).catch(function(err) {
+        errback(err.message);
+      });
+      function done(err, xml) {
+        if (err) {
+          return callback(err, null);
+        }
+        var elements = xml.getElementsByTagName("blacklist");
+        var regexes = [];
+        for (var i2 = 0; i2 < elements.length; i2++) {
+          var regexString = elements[i2].getAttribute("regex");
+          if (regexString) {
+            try {
+              var regex = new RegExp(regexString);
+              regexes.push(regex);
+            } catch (e) {
+            }
+          }
+        }
+        if (regexes.length) {
+          _imageryBlocklists = regexes;
+        }
+        if (_rateLimitError) {
+          return callback(_rateLimitError, "rateLimited");
+        } else {
+          var waynodes = xml.getElementsByTagName("waynodes");
+          var maxWayNodes = waynodes.length && parseInt(waynodes[0].getAttribute("maximum"), 10);
+          if (maxWayNodes && isFinite(maxWayNodes))
+            _maxWayNodes = maxWayNodes;
+          var apiStatus = xml.getElementsByTagName("status");
+          var val = apiStatus[0].getAttribute("api");
+          return callback(void 0, val);
+        }
+      }
+    },
+    // Calls `status` and dispatches an `apiStatusChange` event if the returned
+    // status differs from the cached status.
+    reloadApiStatus: function() {
+      if (!this.throttledReloadApiStatus) {
+        var that = this;
+        this.throttledReloadApiStatus = throttle_default(function() {
+          that.status(function(err, status) {
+            if (status !== _cachedApiStatus) {
+              _cachedApiStatus = status;
+              dispatch7.call("apiStatusChange", that, err, status);
+            }
+          });
+        }, 500);
+      }
+      this.throttledReloadApiStatus();
+    },
+    // Returns the maximum number of nodes a single way can have
+    maxWayNodes: function() {
+      return _maxWayNodes;
+    },
+    // Load data (entities) from the API in tiles
+    // GET /api/0.6/map?bbox=
+    loadTiles: function(projection2, callback) {
+      if (_off)
+        return;
+      var tiles = tiler5.zoomExtent([_tileZoom4, _tileZoom4]).getTiles(projection2);
+      var hadRequests = hasInflightRequests(_tileCache);
+      abortUnwantedRequests4(_tileCache, tiles);
+      if (hadRequests && !hasInflightRequests(_tileCache)) {
+        dispatch7.call("loaded");
+      }
+      tiles.forEach(function(tile) {
+        this.loadTile(tile, callback);
+      }, this);
+    },
+    // Load a single data tile
+    // GET /api/0.6/map?bbox=
+    loadTile: function(tile, callback) {
+      if (_off)
+        return;
+      if (_tileCache.loaded[tile.id] || _tileCache.inflight[tile.id])
+        return;
+      if (!hasInflightRequests(_tileCache)) {
+        dispatch7.call("loading");
+      }
+      var path = "/api/0.6/map.json?bbox=";
+      var options2 = { skipSeen: true };
+      _tileCache.inflight[tile.id] = this.loadFromAPI(
+        path + tile.extent.toParam(),
+        tileCallback,
+        options2
+      );
+      function tileCallback(err, parsed) {
+        delete _tileCache.inflight[tile.id];
+        if (!err) {
+          delete _tileCache.toLoad[tile.id];
+          _tileCache.loaded[tile.id] = true;
+          var bbox2 = tile.extent.bbox();
+          bbox2.id = tile.id;
+          _tileCache.rtree.insert(bbox2);
+        }
+        if (callback) {
+          callback(err, Object.assign({ data: parsed }, tile));
+        }
+        if (!hasInflightRequests(_tileCache)) {
+          dispatch7.call("loaded");
+        }
+      }
+    },
+    isDataLoaded: function(loc) {
+      var bbox2 = { minX: loc[0], minY: loc[1], maxX: loc[0], maxY: loc[1] };
+      return _tileCache.rtree.collides(bbox2);
+    },
+    // load the tile that covers the given `loc`
+    loadTileAtLoc: function(loc, callback) {
+      if (Object.keys(_tileCache.toLoad).length > 50)
+        return;
+      var k = geoZoomToScale(_tileZoom4 + 1);
+      var offset = geoRawMercator().scale(k)(loc);
+      var projection2 = geoRawMercator().transform({ k, x: -offset[0], y: -offset[1] });
+      var tiles = tiler5.zoomExtent([_tileZoom4, _tileZoom4]).getTiles(projection2);
+      tiles.forEach(function(tile) {
+        if (_tileCache.toLoad[tile.id] || _tileCache.loaded[tile.id] || _tileCache.inflight[tile.id])
+          return;
+        _tileCache.toLoad[tile.id] = true;
+        this.loadTile(tile, callback);
+      }, this);
+    },
+    // Load notes from the API in tiles
+    // GET /api/0.6/notes?bbox=
+    loadNotes: function(projection2, noteOptions) {
+      noteOptions = Object.assign({ limit: 1e4, closed: 7 }, noteOptions);
+      if (_off)
+        return;
+      var that = this;
+      var path = "/api/0.6/notes?limit=" + noteOptions.limit + "&closed=" + noteOptions.closed + "&bbox=";
+      var throttleLoadUsers = throttle_default(function() {
+        var uids = Object.keys(_userCache.toLoad);
+        if (!uids.length)
+          return;
+        that.loadUsers(uids, function() {
+        });
+      }, 750);
+      var tiles = tiler5.zoomExtent([_noteZoom, _noteZoom]).getTiles(projection2);
+      abortUnwantedRequests4(_noteCache, tiles);
+      tiles.forEach(function(tile) {
+        if (_noteCache.loaded[tile.id] || _noteCache.inflight[tile.id])
+          return;
+        var options2 = { skipSeen: false };
+        _noteCache.inflight[tile.id] = that.loadFromAPI(
+          path + tile.extent.toParam(),
+          function(err) {
+            delete _noteCache.inflight[tile.id];
+            if (!err) {
+              _noteCache.loaded[tile.id] = true;
+            }
+            throttleLoadUsers();
+            dispatch7.call("loadedNotes");
+          },
+          options2
+        );
+      });
+    },
+    // Create a note
+    // POST /api/0.6/notes?params
+    postNoteCreate: function(note, callback) {
+      if (!this.authenticated()) {
+        return callback({ message: "Not Authenticated", status: -3 }, note);
+      }
+      if (_noteCache.inflightPost[note.id]) {
+        return callback({ message: "Note update already inflight", status: -2 }, note);
+      }
+      if (!note.loc[0] || !note.loc[1] || !note.newComment)
+        return;
+      var comment = note.newComment;
+      if (note.newCategory && note.newCategory !== "None") {
+        comment += " #" + note.newCategory;
+      }
+      var path = "/api/0.6/notes?" + utilQsString({ lon: note.loc[0], lat: note.loc[1], text: comment });
+      _noteCache.inflightPost[note.id] = oauth.xhr(
+        { method: "POST", path },
+        wrapcb(this, done, _connectionID)
+      );
+      function done(err, xml) {
+        delete _noteCache.inflightPost[note.id];
+        if (err) {
+          return callback(err);
+        }
+        this.removeNote(note);
+        var options2 = { skipSeen: false };
+        return parseXML(xml, function(err2, results) {
+          if (err2) {
+            return callback(err2);
+          } else {
+            return callback(void 0, results[0]);
+          }
+        }, options2);
+      }
+    },
+    // Update a note
+    // POST /api/0.6/notes/#id/comment?text=comment
+    // POST /api/0.6/notes/#id/close?text=comment
+    // POST /api/0.6/notes/#id/reopen?text=comment
+    postNoteUpdate: function(note, newStatus, callback) {
+      if (!this.authenticated()) {
+        return callback({ message: "Not Authenticated", status: -3 }, note);
+      }
+      if (_noteCache.inflightPost[note.id]) {
+        return callback({ message: "Note update already inflight", status: -2 }, note);
+      }
+      var action;
+      if (note.status !== "closed" && newStatus === "closed") {
+        action = "close";
+      } else if (note.status !== "open" && newStatus === "open") {
+        action = "reopen";
+      } else {
+        action = "comment";
+        if (!note.newComment)
+          return;
+      }
+      var path = "/api/0.6/notes/" + note.id + "/" + action;
+      if (note.newComment) {
+        path += "?" + utilQsString({ text: note.newComment });
+      }
+      _noteCache.inflightPost[note.id] = oauth.xhr(
+        { method: "POST", path },
+        wrapcb(this, done, _connectionID)
+      );
+      function done(err, xml) {
+        delete _noteCache.inflightPost[note.id];
+        if (err) {
+          return callback(err);
+        }
+        this.removeNote(note);
+        if (action === "close") {
+          _noteCache.closed[note.id] = true;
+        } else if (action === "reopen") {
+          delete _noteCache.closed[note.id];
+        }
+        var options2 = { skipSeen: false };
+        return parseXML(xml, function(err2, results) {
+          if (err2) {
+            return callback(err2);
+          } else {
+            return callback(void 0, results[0]);
+          }
+        }, options2);
+      }
+    },
+    /* connection options for source switcher (optional) */
+    apiConnections: function(val) {
+      if (!arguments.length)
+        return _apiConnections;
+      _apiConnections = val;
+      return this;
+    },
+    switch: function(newOptions) {
+      urlroot = newOptions.url;
+      var oldOptions = utilObjectOmit(oauth.options(), "access_token");
+      oauth.options(Object.assign(oldOptions, newOptions));
+      this.reset();
+      this.userChangesets(function() {
+      });
+      dispatch7.call("change");
+      return this;
+    },
+    toggle: function(val) {
+      _off = !val;
+      return this;
+    },
+    isChangesetInflight: function() {
+      return !!_changeset.inflight;
+    },
+    // get/set cached data
+    // This is used to save/restore the state when entering/exiting the walkthrough
+    // Also used for testing purposes.
+    caches: function(obj) {
+      function cloneCache(source) {
+        var target = {};
+        Object.keys(source).forEach(function(k) {
+          if (k === "rtree") {
+            target.rtree = new import_rbush9.default().fromJSON(source.rtree.toJSON());
+          } else if (k === "note") {
+            target.note = {};
+            Object.keys(source.note).forEach(function(id2) {
+              target.note[id2] = osmNote(source.note[id2]);
+            });
+          } else {
+            target[k] = JSON.parse(JSON.stringify(source[k]));
+          }
+        });
+        return target;
+      }
+      if (!arguments.length) {
+        return {
+          tile: cloneCache(_tileCache),
+          note: cloneCache(_noteCache),
+          user: cloneCache(_userCache)
+        };
+      }
+      if (obj === "get") {
+        return {
+          tile: _tileCache,
+          note: _noteCache,
+          user: _userCache
+        };
+      }
+      if (obj.tile) {
+        _tileCache = obj.tile;
+        _tileCache.inflight = {};
+      }
+      if (obj.note) {
+        _noteCache = obj.note;
+        _noteCache.inflight = {};
+        _noteCache.inflightPost = {};
+      }
+      if (obj.user) {
+        _userCache = obj.user;
+      }
+      return this;
+    },
+    logout: function() {
+      _userChangesets = void 0;
+      _userDetails = void 0;
+      oauth.logout();
+      dispatch7.call("change");
+      return this;
+    },
+    authenticated: function() {
+      return oauth.authenticated();
+    },
+    authenticate: function(callback) {
+      var that = this;
+      var cid = _connectionID;
+      _userChangesets = void 0;
+      _userDetails = void 0;
+      function done(err, res) {
+        if (err) {
+          if (callback)
+            callback(err);
+          return;
+        }
+        if (that.getConnectionId() !== cid) {
+          if (callback)
+            callback({ message: "Connection Switched", status: -1 });
+          return;
+        }
+        _rateLimitError = void 0;
+        dispatch7.call("change");
+        if (callback)
+          callback(err, res);
+        that.userChangesets(function() {
+        });
+      }
+      oauth.authenticate(done);
+    },
+    imageryBlocklists: function() {
+      return _imageryBlocklists;
+    },
+    tileZoom: function(val) {
+      if (!arguments.length)
+        return _tileZoom4;
+      _tileZoom4 = val;
+      return this;
+    },
+    // get all cached notes covering the viewport
+    notes: function(projection2) {
+      var viewport = projection2.clipExtent();
+      var min3 = [viewport[0][0], viewport[1][1]];
+      var max3 = [viewport[1][0], viewport[0][1]];
+      var bbox2 = geoExtent(projection2.invert(min3), projection2.invert(max3)).bbox();
+      return _noteCache.rtree.search(bbox2).map(function(d) {
+        return d.data;
+      });
+    },
+    // get a single note from the cache
+    getNote: function(id2) {
+      return _noteCache.note[id2];
+    },
+    // remove a single note from the cache
+    removeNote: function(note) {
+      if (!(note instanceof osmNote) || !note.id)
+        return;
+      delete _noteCache.note[note.id];
+      updateRtree4(encodeNoteRtree(note), false);
+    },
+    // replace a single note in the cache
+    replaceNote: function(note) {
+      if (!(note instanceof osmNote) || !note.id)
+        return;
+      _noteCache.note[note.id] = note;
+      updateRtree4(encodeNoteRtree(note), true);
+      return note;
+    },
+    // Get an array of note IDs closed during this session.
+    // Used to populate `closed:note` changeset tag
+    getClosedIDs: function() {
+      return Object.keys(_noteCache.closed).sort();
+    }
+  };
+
+  // modules/services/osm_wikibase.js
+  var apibase3 = "https://wiki.openstreetmap.org/w/api.php";
+  var _inflight2 = {};
+  var _wikibaseCache = {};
+  var _localeIDs = { en: false };
+  var debouncedRequest = debounce_default(request, 500, { leading: false });
+  function request(url, callback) {
+    if (_inflight2[url])
+      return;
+    var controller = new AbortController();
+    _inflight2[url] = controller;
+    json_default(url, { signal: controller.signal }).then(function(result) {
+      delete _inflight2[url];
+      if (callback)
+        callback(null, result);
+    }).catch(function(err) {
+      delete _inflight2[url];
+      if (err.name === "AbortError")
+        return;
+      if (callback)
+        callback(err.message);
+    });
+  }
+  var osm_wikibase_default = {
+    init: function() {
+      _inflight2 = {};
+      _wikibaseCache = {};
+      _localeIDs = {};
+    },
+    reset: function() {
+      Object.values(_inflight2).forEach(function(controller) {
+        controller.abort();
+      });
+      _inflight2 = {};
+    },
+    /**
+     * Get the best value for the property, or undefined if not found
+     * @param entity object from wikibase
+     * @param property string e.g. 'P4' for image
+     * @param langCode string e.g. 'fr' for French
+     */
+    claimToValue: function(entity, property, langCode) {
+      if (!entity.claims[property])
+        return void 0;
+      var locale2 = _localeIDs[langCode];
+      var preferredPick, localePick;
+      entity.claims[property].forEach(function(stmt) {
+        if (!preferredPick && stmt.rank === "preferred") {
+          preferredPick = stmt;
+        }
+        if (locale2 && stmt.qualifiers && stmt.qualifiers.P26 && stmt.qualifiers.P26[0].datavalue.value.id === locale2) {
+          localePick = stmt;
+        }
+      });
+      var result = localePick || preferredPick;
+      if (result) {
+        var datavalue = result.mainsnak.datavalue;
+        return datavalue.type === "wikibase-entityid" ? datavalue.value.id : datavalue.value;
+      } else {
+        return void 0;
+      }
+    },
+    /**
+     * Convert monolingual property into a key-value object (language -> value)
+     * @param entity object from wikibase
+     * @param property string e.g. 'P31' for monolingual wiki page title
+     */
+    monolingualClaimToValueObj: function(entity, property) {
+      if (!entity || !entity.claims[property])
+        return void 0;
+      return entity.claims[property].reduce(function(acc, obj) {
+        var value = obj.mainsnak.datavalue.value;
+        acc[value.language] = value.text;
+        return acc;
+      }, {});
+    },
+    toSitelink: function(key, value) {
+      var result = value ? "Tag:" + key + "=" + value : "Key:" + key;
+      return result.replace(/_/g, " ").trim();
+    },
+    //
+    // Pass params object of the form:
+    // {
+    //   key: 'string',
+    //   value: 'string',
+    //   langCode: 'string'
+    // }
+    //
+    getEntity: function(params, callback) {
+      var doRequest = params.debounce ? debouncedRequest : request;
+      var that = this;
+      var titles = [];
+      var result = {};
+      var rtypeSitelink = params.key === "type" && params.value ? ("Relation:" + params.value).replace(/_/g, " ").trim() : false;
+      var keySitelink = params.key ? this.toSitelink(params.key) : false;
+      var tagSitelink = params.key && params.value ? this.toSitelink(params.key, params.value) : false;
+      var localeSitelink;
+      if (params.langCodes) {
+        params.langCodes.forEach(function(langCode) {
+          if (_localeIDs[langCode] === void 0) {
+            localeSitelink = ("Locale:" + langCode).replace(/_/g, " ").trim();
+            titles.push(localeSitelink);
+          }
+        });
+      }
+      if (rtypeSitelink) {
+        if (_wikibaseCache[rtypeSitelink]) {
+          result.rtype = _wikibaseCache[rtypeSitelink];
+        } else {
+          titles.push(rtypeSitelink);
+        }
+      }
+      if (keySitelink) {
+        if (_wikibaseCache[keySitelink]) {
+          result.key = _wikibaseCache[keySitelink];
+        } else {
+          titles.push(keySitelink);
+        }
+      }
+      if (tagSitelink) {
+        if (_wikibaseCache[tagSitelink]) {
+          result.tag = _wikibaseCache[tagSitelink];
+        } else {
+          titles.push(tagSitelink);
+        }
+      }
+      if (!titles.length) {
+        return callback(null, result);
+      }
+      var obj = {
+        action: "wbgetentities",
+        sites: "wiki",
+        titles: titles.join("|"),
+        languages: params.langCodes.join("|"),
+        languagefallback: 1,
+        origin: "*",
+        format: "json"
+        // There is an MW Wikibase API bug https://phabricator.wikimedia.org/T212069
+        // We shouldn't use v1 until it gets fixed, but should switch to it afterwards
+        // formatversion: 2,
+      };
+      var url = apibase3 + "?" + utilQsString(obj);
+      doRequest(url, function(err, d) {
+        if (err) {
+          callback(err);
+        } else if (!d.success || d.error) {
+          callback(d.error.messages.map(function(v) {
+            return v.html["*"];
+          }).join("<br>"));
+        } else {
+          var localeID = false;
+          Object.values(d.entities).forEach(function(res) {
+            if (res.missing !== "") {
+              var title = res.sitelinks.wiki.title;
+              if (title === rtypeSitelink) {
+                _wikibaseCache[rtypeSitelink] = res;
+                result.rtype = res;
+              } else if (title === keySitelink) {
+                _wikibaseCache[keySitelink] = res;
+                result.key = res;
+              } else if (title === tagSitelink) {
+                _wikibaseCache[tagSitelink] = res;
+                result.tag = res;
+              } else if (title === localeSitelink) {
+                localeID = res.id;
+              } else {
+                console.log("Unexpected title " + title);
+              }
+            }
+          });
+          if (localeSitelink) {
+            that.addLocale(params.langCodes[0], localeID);
+          }
+          callback(null, result);
+        }
+      });
+    },
+    //
+    // Pass params object of the form:
+    // {
+    //   key: 'string',     // required
+    //   value: 'string'    // optional
+    // }
+    //
+    // Get an result object used to display tag documentation
+    // {
+    //   title:        'string',
+    //   description:  'string',
+    //   editURL:      'string',
+    //   imageURL:     'string',
+    //   wiki:         { title: 'string', text: 'string', url: 'string' }
+    // }
+    //
+    getDocs: function(params, callback) {
+      var that = this;
+      var langCodes = _mainLocalizer.localeCodes().map(function(code) {
+        return code.toLowerCase();
+      });
+      params.langCodes = langCodes;
+      this.getEntity(params, function(err, data) {
+        if (err) {
+          callback(err);
+          return;
+        }
+        var entity = data.rtype || data.tag || data.key;
+        if (!entity) {
+          callback("No entity");
+          return;
+        }
+        var i2;
+        var description;
+        for (i2 in langCodes) {
+          let code2 = langCodes[i2];
+          if (entity.descriptions[code2] && entity.descriptions[code2].language === code2) {
+            description = entity.descriptions[code2];
+            break;
+          }
+        }
+        if (!description && Object.values(entity.descriptions).length)
+          description = Object.values(entity.descriptions)[0];
+        var result = {
+          title: entity.title,
+          description: description ? description.value : "",
+          descriptionLocaleCode: description ? description.language : "",
+          editURL: "https://wiki.openstreetmap.org/wiki/" + entity.title
+        };
+        if (entity.claims) {
+          var imageroot;
+          var image = that.claimToValue(entity, "P4", langCodes[0]);
+          if (image) {
+            imageroot = "https://commons.wikimedia.org/w/index.php";
+          } else {
+            image = that.claimToValue(entity, "P28", langCodes[0]);
+            if (image) {
+              imageroot = "https://wiki.openstreetmap.org/w/index.php";
+            }
+          }
+          if (imageroot && image) {
+            result.imageURL = imageroot + "?" + utilQsString({
+              title: "Special:Redirect/file/" + image,
+              width: 400
+            });
+          }
+        }
+        var rtypeWiki = that.monolingualClaimToValueObj(data.rtype, "P31");
+        var tagWiki = that.monolingualClaimToValueObj(data.tag, "P31");
+        var keyWiki = that.monolingualClaimToValueObj(data.key, "P31");
+        var wikis = [rtypeWiki, tagWiki, keyWiki];
+        for (i2 in wikis) {
+          var wiki = wikis[i2];
+          for (var j2 in langCodes) {
+            var code = langCodes[j2];
+            var referenceId = langCodes[0].split("-")[0] !== "en" && code.split("-")[0] === "en" ? "inspector.wiki_en_reference" : "inspector.wiki_reference";
+            var info = getWikiInfo(wiki, code, referenceId);
+            if (info) {
+              result.wiki = info;
+              break;
+            }
+          }
+          if (result.wiki)
+            break;
+        }
+        callback(null, result);
+        function getWikiInfo(wiki2, langCode, tKey) {
+          if (wiki2 && wiki2[langCode]) {
+            return {
+              title: wiki2[langCode],
+              text: tKey,
+              url: "https://wiki.openstreetmap.org/wiki/" + wiki2[langCode]
+            };
+          }
+        }
+      });
+    },
+    addLocale: function(langCode, qid) {
+      _localeIDs[langCode] = qid;
+    },
+    apibase: function(val) {
+      if (!arguments.length)
+        return apibase3;
+      apibase3 = val;
+      return this;
+    }
+  };
+
+  // modules/services/streetside.js
+  var import_rbush10 = __toESM(require_rbush_min());
+
+  // modules/util/jsonp_request.js
+  var jsonpCache = {};
+  window.jsonpCache = jsonpCache;
+  function jsonpRequest(url, callback) {
+    var request3 = {
+      abort: function() {
+      }
+    };
+    if (window.JSONP_FIX) {
+      if (window.JSONP_DELAY === 0) {
+        callback(window.JSONP_FIX);
+      } else {
+        var t = window.setTimeout(function() {
+          callback(window.JSONP_FIX);
+        }, window.JSONP_DELAY || 0);
+        request3.abort = function() {
+          window.clearTimeout(t);
+        };
+      }
+      return request3;
+    }
+    function rand() {
+      var chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
+      var c = "";
+      var i2 = -1;
+      while (++i2 < 15)
+        c += chars.charAt(Math.floor(Math.random() * 52));
+      return c;
+    }
+    function create2(url2) {
+      var e = url2.match(/callback=(\w+)/);
+      var c = e ? e[1] : rand();
+      jsonpCache[c] = function(data) {
+        if (jsonpCache[c]) {
+          callback(data);
+        }
+        finalize();
+      };
+      function finalize() {
+        delete jsonpCache[c];
+        script.remove();
+      }
+      request3.abort = finalize;
+      return "jsonpCache." + c;
+    }
+    var cb = create2(url);
+    var script = select_default2("head").append("script").attr("type", "text/javascript").attr("src", url.replace(/(\{|%7B)callback(\}|%7D)/, cb));
+    return request3;
+  }
+
+  // modules/services/streetside.js
+  var bubbleApi = "https://dev.virtualearth.net/mapcontrol/HumanScaleServices/GetBubbles.ashx?";
+  var streetsideImagesApi = "https://t.ssl.ak.tiles.virtualearth.net/tiles/";
+  var bubbleAppKey = "AuftgJsO0Xs8Ts4M1xZUQJQXJNsvmh3IV8DkNieCiy3tCwCUMq76-WpkrBtNAuEm";
+  var pannellumViewerCSS = "pannellum-streetside/pannellum.css";
+  var pannellumViewerJS = "pannellum-streetside/pannellum.js";
+  var maxResults2 = 2e3;
+  var tileZoom2 = 16.5;
+  var tiler6 = utilTiler().zoomExtent([tileZoom2, tileZoom2]).skipNullIsland(true);
+  var dispatch8 = dispatch_default("loadedImages", "viewerChanged");
+  var minHfov = 10;
+  var maxHfov = 90;
+  var defaultHfov = 45;
+  var _hires = false;
+  var _resolution = 512;
+  var _currScene = 0;
+  var _ssCache;
+  var _pannellumViewer;
+  var _sceneOptions = {
+    showFullscreenCtrl: false,
+    autoLoad: true,
+    compass: true,
+    yaw: 0,
+    minHfov,
+    maxHfov,
+    hfov: defaultHfov,
+    type: "cubemap",
+    cubeMap: []
+  };
+  var _loadViewerPromise3;
+  function abortRequest6(i2) {
+    i2.abort();
+  }
+  function localeTimestamp(s) {
+    if (!s)
+      return null;
+    const options2 = { day: "numeric", month: "short", year: "numeric" };
+    const d = new Date(s);
+    if (isNaN(d.getTime()))
+      return null;
+    return d.toLocaleString(_mainLocalizer.localeCode(), options2);
+  }
+  function loadTiles3(which, url, projection2, margin) {
+    const tiles = tiler6.margin(margin).getTiles(projection2);
+    const cache = _ssCache[which];
+    Object.keys(cache.inflight).forEach((k) => {
+      const wanted = tiles.find((tile) => k.indexOf(tile.id + ",") === 0);
+      if (!wanted) {
+        abortRequest6(cache.inflight[k]);
+        delete cache.inflight[k];
+      }
+    });
+    tiles.forEach((tile) => loadNextTilePage2(which, url, tile));
+  }
+  function loadNextTilePage2(which, url, tile) {
+    const cache = _ssCache[which];
+    const nextPage = cache.nextPage[tile.id] || 0;
+    const id2 = tile.id + "," + String(nextPage);
+    if (cache.loaded[id2] || cache.inflight[id2])
+      return;
+    cache.inflight[id2] = getBubbles(url, tile, (bubbles) => {
+      cache.loaded[id2] = true;
+      delete cache.inflight[id2];
+      if (!bubbles)
+        return;
+      bubbles.shift();
+      const features = bubbles.map((bubble) => {
+        if (cache.points[bubble.id])
+          return null;
+        const loc = [bubble.lo, bubble.la];
+        const d = {
+          loc,
+          key: bubble.id,
+          ca: bubble.he,
+          captured_at: bubble.cd,
+          captured_by: "microsoft",
+          // nbn: bubble.nbn,
+          // pbn: bubble.pbn,
+          // ad: bubble.ad,
+          // rn: bubble.rn,
+          pr: bubble.pr,
+          // previous
+          ne: bubble.ne,
+          // next
+          pano: true,
+          sequenceKey: null
+        };
+        cache.points[bubble.id] = d;
+        if (bubble.pr === void 0) {
+          cache.leaders.push(bubble.id);
+        }
+        return {
+          minX: loc[0],
+          minY: loc[1],
+          maxX: loc[0],
+          maxY: loc[1],
+          data: d
+        };
+      }).filter(Boolean);
+      cache.rtree.load(features);
+      connectSequences();
+      if (which === "bubbles") {
+        dispatch8.call("loadedImages");
+      }
+    });
+  }
+  function connectSequences() {
+    let cache = _ssCache.bubbles;
+    let keepLeaders = [];
+    for (let i2 = 0; i2 < cache.leaders.length; i2++) {
+      let bubble = cache.points[cache.leaders[i2]];
+      let seen = {};
+      let sequence = { key: bubble.key, bubbles: [] };
+      let complete = false;
+      do {
+        sequence.bubbles.push(bubble);
+        seen[bubble.key] = true;
+        if (bubble.ne === void 0) {
+          complete = true;
+        } else {
+          bubble = cache.points[bubble.ne];
+        }
+      } while (bubble && !seen[bubble.key] && !complete);
+      if (complete) {
+        _ssCache.sequences[sequence.key] = sequence;
+        for (let j2 = 0; j2 < sequence.bubbles.length; j2++) {
+          sequence.bubbles[j2].sequenceKey = sequence.key;
+        }
+        sequence.geojson = {
+          type: "LineString",
+          properties: {
+            captured_at: sequence.bubbles[0] ? sequence.bubbles[0].captured_at : null,
+            captured_by: sequence.bubbles[0] ? sequence.bubbles[0].captured_by : null,
+            key: sequence.key
+          },
+          coordinates: sequence.bubbles.map((d) => d.loc)
+        };
+      } else {
+        keepLeaders.push(cache.leaders[i2]);
+      }
+    }
+    cache.leaders = keepLeaders;
+  }
+  function getBubbles(url, tile, callback) {
+    let rect = tile.extent.rectangle();
+    let urlForRequest = url + utilQsString({
+      n: rect[3],
+      s: rect[1],
+      e: rect[2],
+      w: rect[0],
+      c: maxResults2,
+      appkey: bubbleAppKey,
+      jsCallback: "{callback}"
+    });
+    return jsonpRequest(urlForRequest, (data) => {
+      if (!data || data.error) {
+        callback(null);
+      } else {
+        callback(data);
+      }
+    });
+  }
+  function partitionViewport3(projection2) {
+    let z = geoScaleToZoom(projection2.scale());
+    let z2 = Math.ceil(z * 2) / 2 + 2.5;
+    let tiler8 = utilTiler().zoomExtent([z2, z2]);
+    return tiler8.getTiles(projection2).map((tile) => tile.extent);
+  }
+  function searchLimited3(limit, projection2, rtree) {
+    limit = limit || 5;
+    return partitionViewport3(projection2).reduce((result, extent) => {
+      let found = rtree.search(extent.bbox()).slice(0, limit).map((d) => d.data);
+      return found.length ? result.concat(found) : result;
+    }, []);
+  }
+  function loadImage(imgInfo) {
+    return new Promise((resolve) => {
+      let img = new Image();
+      img.onload = () => {
+        let canvas = document.getElementById("ideditor-canvas" + imgInfo.face);
+        let ctx = canvas.getContext("2d");
+        ctx.drawImage(img, imgInfo.x, imgInfo.y);
+        resolve({ imgInfo, status: "ok" });
+      };
+      img.onerror = () => {
+        resolve({ data: imgInfo, status: "error" });
+      };
+      img.setAttribute("crossorigin", "");
+      img.src = imgInfo.url;
+    });
+  }
+  function loadCanvas(imageGroup) {
+    return Promise.all(imageGroup.map(loadImage)).then((data) => {
+      let canvas = document.getElementById("ideditor-canvas" + data[0].imgInfo.face);
+      const which = { "01": 0, "02": 1, "03": 2, "10": 3, "11": 4, "12": 5 };
+      let face = data[0].imgInfo.face;
+      _sceneOptions.cubeMap[which[face]] = canvas.toDataURL("image/jpeg", 1);
+      return { status: "loadCanvas for face " + data[0].imgInfo.face + "ok" };
+    });
+  }
+  function loadFaces(faceGroup) {
+    return Promise.all(faceGroup.map(loadCanvas)).then(() => {
+      return { status: "loadFaces done" };
+    });
+  }
+  function setupCanvas(selection2, reset) {
+    if (reset) {
+      selection2.selectAll("#ideditor-stitcher-canvases").remove();
+    }
+    selection2.selectAll("#ideditor-stitcher-canvases").data([0]).enter().append("div").attr("id", "ideditor-stitcher-canvases").attr("display", "none").selectAll("canvas").data(["canvas01", "canvas02", "canvas03", "canvas10", "canvas11", "canvas12"]).enter().append("canvas").attr("id", (d) => "ideditor-" + d).attr("width", _resolution).attr("height", _resolution);
+  }
+  function qkToXY(qk) {
+    let x = 0;
+    let y = 0;
+    let scale = 256;
+    for (let i2 = qk.length; i2 > 0; i2--) {
+      const key = qk[i2 - 1];
+      x += +(key === "1" || key === "3") * scale;
+      y += +(key === "2" || key === "3") * scale;
+      scale *= 2;
+    }
+    return [x, y];
+  }
+  function getQuadKeys() {
+    let dim = _resolution / 256;
+    let quadKeys;
+    if (dim === 16) {
+      quadKeys = [
+        "0000",
+        "0001",
+        "0010",
+        "0011",
+        "0100",
+        "0101",
+        "0110",
+        "0111",
+        "1000",
+        "1001",
+        "1010",
+        "1011",
+        "1100",
+        "1101",
+        "1110",
+        "1111",
+        "0002",
+        "0003",
+        "0012",
+        "0013",
+        "0102",
+        "0103",
+        "0112",
+        "0113",
+        "1002",
+        "1003",
+        "1012",
+        "1013",
+        "1102",
+        "1103",
+        "1112",
+        "1113",
+        "0020",
+        "0021",
+        "0030",
+        "0031",
+        "0120",
+        "0121",
+        "0130",
+        "0131",
+        "1020",
+        "1021",
+        "1030",
+        "1031",
+        "1120",
+        "1121",
+        "1130",
+        "1131",
+        "0022",
+        "0023",
+        "0032",
+        "0033",
+        "0122",
+        "0123",
+        "0132",
+        "0133",
+        "1022",
+        "1023",
+        "1032",
+        "1033",
+        "1122",
+        "1123",
+        "1132",
+        "1133",
+        "0200",
+        "0201",
+        "0210",
+        "0211",
+        "0300",
+        "0301",
+        "0310",
+        "0311",
+        "1200",
+        "1201",
+        "1210",
+        "1211",
+        "1300",
+        "1301",
+        "1310",
+        "1311",
+        "0202",
+        "0203",
+        "0212",
+        "0213",
+        "0302",
+        "0303",
+        "0312",
+        "0313",
+        "1202",
+        "1203",
+        "1212",
+        "1213",
+        "1302",
+        "1303",
+        "1312",
+        "1313",
+        "0220",
+        "0221",
+        "0230",
+        "0231",
+        "0320",
+        "0321",
+        "0330",
+        "0331",
+        "1220",
+        "1221",
+        "1230",
+        "1231",
+        "1320",
+        "1321",
+        "1330",
+        "1331",
+        "0222",
+        "0223",
+        "0232",
+        "0233",
+        "0322",
+        "0323",
+        "0332",
+        "0333",
+        "1222",
+        "1223",
+        "1232",
+        "1233",
+        "1322",
+        "1323",
+        "1332",
+        "1333",
+        "2000",
+        "2001",
+        "2010",
+        "2011",
+        "2100",
+        "2101",
+        "2110",
+        "2111",
+        "3000",
+        "3001",
+        "3010",
+        "3011",
+        "3100",
+        "3101",
+        "3110",
+        "3111",
+        "2002",
+        "2003",
+        "2012",
+        "2013",
+        "2102",
+        "2103",
+        "2112",
+        "2113",
+        "3002",
+        "3003",
+        "3012",
+        "3013",
+        "3102",
+        "3103",
+        "3112",
+        "3113",
+        "2020",
+        "2021",
+        "2030",
+        "2031",
+        "2120",
+        "2121",
+        "2130",
+        "2131",
+        "3020",
+        "3021",
+        "3030",
+        "3031",
+        "3120",
+        "3121",
+        "3130",
+        "3131",
+        "2022",
+        "2023",
+        "2032",
+        "2033",
+        "2122",
+        "2123",
+        "2132",
+        "2133",
+        "3022",
+        "3023",
+        "3032",
+        "3033",
+        "3122",
+        "3123",
+        "3132",
+        "3133",
+        "2200",
+        "2201",
+        "2210",
+        "2211",
+        "2300",
+        "2301",
+        "2310",
+        "2311",
+        "3200",
+        "3201",
+        "3210",
+        "3211",
+        "3300",
+        "3301",
+        "3310",
+        "3311",
+        "2202",
+        "2203",
+        "2212",
+        "2213",
+        "2302",
+        "2303",
+        "2312",
+        "2313",
+        "3202",
+        "3203",
+        "3212",
+        "3213",
+        "3302",
+        "3303",
+        "3312",
+        "3313",
+        "2220",
+        "2221",
+        "2230",
+        "2231",
+        "2320",
+        "2321",
+        "2330",
+        "2331",
+        "3220",
+        "3221",
+        "3230",
+        "3231",
+        "3320",
+        "3321",
+        "3330",
+        "3331",
+        "2222",
+        "2223",
+        "2232",
+        "2233",
+        "2322",
+        "2323",
+        "2332",
+        "2333",
+        "3222",
+        "3223",
+        "3232",
+        "3233",
+        "3322",
+        "3323",
+        "3332",
+        "3333"
+      ];
+    } else if (dim === 8) {
+      quadKeys = [
+        "000",
+        "001",
+        "010",
+        "011",
+        "100",
+        "101",
+        "110",
+        "111",
+        "002",
+        "003",
+        "012",
+        "013",
+        "102",
+        "103",
+        "112",
+        "113",
+        "020",
+        "021",
+        "030",
+        "031",
+        "120",
+        "121",
+        "130",
+        "131",
+        "022",
+        "023",
+        "032",
+        "033",
+        "122",
+        "123",
+        "132",
+        "133",
+        "200",
+        "201",
+        "210",
+        "211",
+        "300",
+        "301",
+        "310",
+        "311",
+        "202",
+        "203",
+        "212",
+        "213",
+        "302",
+        "303",
+        "312",
+        "313",
+        "220",
+        "221",
+        "230",
+        "231",
+        "320",
+        "321",
+        "330",
+        "331",
+        "222",
+        "223",
+        "232",
+        "233",
+        "322",
+        "323",
+        "332",
+        "333"
+      ];
+    } else if (dim === 4) {
+      quadKeys = [
+        "00",
+        "01",
+        "10",
+        "11",
+        "02",
+        "03",
+        "12",
+        "13",
+        "20",
+        "21",
+        "30",
+        "31",
+        "22",
+        "23",
+        "32",
+        "33"
+      ];
+    } else {
+      quadKeys = [
+        "0",
+        "1",
+        "2",
+        "3"
+      ];
+    }
+    return quadKeys;
+  }
+  var streetside_default = {
+    /**
+     * init() initialize streetside.
+     */
+    init: function() {
+      if (!_ssCache) {
+        this.reset();
+      }
+      this.event = utilRebind(this, dispatch8, "on");
+    },
+    /**
+     * reset() reset the cache.
+     */
+    reset: function() {
+      if (_ssCache) {
+        Object.values(_ssCache.bubbles.inflight).forEach(abortRequest6);
+      }
+      _ssCache = {
+        bubbles: { inflight: {}, loaded: {}, nextPage: {}, rtree: new import_rbush10.default(), points: {}, leaders: [] },
+        sequences: {}
+      };
+    },
+    /**
+     * bubbles()
+     */
+    bubbles: function(projection2) {
+      const limit = 5;
+      return searchLimited3(limit, projection2, _ssCache.bubbles.rtree);
+    },
+    cachedImage: function(imageKey) {
+      return _ssCache.bubbles.points[imageKey];
+    },
+    sequences: function(projection2) {
+      const viewport = projection2.clipExtent();
+      const min3 = [viewport[0][0], viewport[1][1]];
+      const max3 = [viewport[1][0], viewport[0][1]];
+      const bbox2 = geoExtent(projection2.invert(min3), projection2.invert(max3)).bbox();
+      let seen = {};
+      let results = [];
+      _ssCache.bubbles.rtree.search(bbox2).forEach((d) => {
+        const key = d.data.sequenceKey;
+        if (key && !seen[key]) {
+          seen[key] = true;
+          results.push(_ssCache.sequences[key].geojson);
+        }
+      });
+      return results;
+    },
+    /**
+     * loadBubbles()
+     */
+    loadBubbles: function(projection2, margin) {
+      if (margin === void 0)
+        margin = 2;
+      loadTiles3("bubbles", bubbleApi, projection2, margin);
+    },
+    viewer: function() {
+      return _pannellumViewer;
+    },
+    initViewer: function() {
+      if (!window.pannellum)
+        return;
+      if (_pannellumViewer)
+        return;
+      _currScene += 1;
+      const sceneID = _currScene.toString();
+      const options2 = {
+        "default": { firstScene: sceneID },
+        scenes: {}
+      };
+      options2.scenes[sceneID] = _sceneOptions;
+      _pannellumViewer = window.pannellum.viewer("ideditor-viewer-streetside", options2);
+    },
+    ensureViewerLoaded: function(context) {
+      if (_loadViewerPromise3)
+        return _loadViewerPromise3;
+      let wrap2 = context.container().select(".photoviewer").selectAll(".ms-wrapper").data([0]);
+      let wrapEnter = wrap2.enter().append("div").attr("class", "photo-wrapper ms-wrapper").classed("hide", true);
+      let that = this;
+      let pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+      wrapEnter.append("div").attr("id", "ideditor-viewer-streetside").on(pointerPrefix + "down.streetside", () => {
+        select_default2(window).on(pointerPrefix + "move.streetside", () => {
+          dispatch8.call("viewerChanged");
+        }, true);
+      }).on(pointerPrefix + "up.streetside pointercancel.streetside", () => {
+        select_default2(window).on(pointerPrefix + "move.streetside", null);
+        let t = timer((elapsed) => {
+          dispatch8.call("viewerChanged");
+          if (elapsed > 2e3) {
+            t.stop();
+          }
+        });
+      }).append("div").attr("class", "photo-attribution fillD");
+      let controlsEnter = wrapEnter.append("div").attr("class", "photo-controls-wrap").append("div").attr("class", "photo-controls");
+      controlsEnter.append("button").on("click.back", step(-1)).text("\u25C4");
+      controlsEnter.append("button").on("click.forward", step(1)).text("\u25BA");
+      wrap2 = wrap2.merge(wrapEnter).call(setupCanvas, true);
+      context.ui().photoviewer.on("resize.streetside", () => {
+        if (_pannellumViewer) {
+          _pannellumViewer.resize();
+        }
+      });
+      _loadViewerPromise3 = new Promise((resolve, reject) => {
+        let loadedCount = 0;
+        function loaded() {
+          loadedCount += 1;
+          if (loadedCount === 2)
+            resolve();
+        }
+        const head = select_default2("head");
+        head.selectAll("#ideditor-streetside-viewercss").data([0]).enter().append("link").attr("id", "ideditor-streetside-viewercss").attr("rel", "stylesheet").attr("crossorigin", "anonymous").attr("href", context.asset(pannellumViewerCSS)).on("load.serviceStreetside", loaded).on("error.serviceStreetside", function() {
+          reject();
+        });
+        head.selectAll("#ideditor-streetside-viewerjs").data([0]).enter().append("script").attr("id", "ideditor-streetside-viewerjs").attr("crossorigin", "anonymous").attr("src", context.asset(pannellumViewerJS)).on("load.serviceStreetside", loaded).on("error.serviceStreetside", function() {
+          reject();
+        });
+      }).catch(function() {
+        _loadViewerPromise3 = null;
+      });
+      return _loadViewerPromise3;
+      function step(stepBy) {
+        return () => {
+          let viewer = context.container().select(".photoviewer");
+          let selected = viewer.empty() ? void 0 : viewer.datum();
+          if (!selected)
+            return;
+          let nextID = stepBy === 1 ? selected.ne : selected.pr;
+          let yaw = _pannellumViewer.getYaw();
+          let ca = selected.ca + yaw;
+          let origin = selected.loc;
+          const meters = 35;
+          let p1 = [
+            origin[0] + geoMetersToLon(meters / 5, origin[1]),
+            origin[1]
+          ];
+          let p2 = [
+            origin[0] + geoMetersToLon(meters / 2, origin[1]),
+            origin[1] + geoMetersToLat(meters)
+          ];
+          let p3 = [
+            origin[0] - geoMetersToLon(meters / 2, origin[1]),
+            origin[1] + geoMetersToLat(meters)
+          ];
+          let p4 = [
+            origin[0] - geoMetersToLon(meters / 5, origin[1]),
+            origin[1]
+          ];
+          let poly = [p1, p2, p3, p4, p1];
+          let angle2 = (stepBy === 1 ? ca : ca + 180) * (Math.PI / 180);
+          poly = geoRotate(poly, -angle2, origin);
+          let extent = poly.reduce((extent2, point2) => {
+            return extent2.extend(geoExtent(point2));
+          }, geoExtent());
+          let minDist = Infinity;
+          _ssCache.bubbles.rtree.search(extent.bbox()).forEach((d) => {
+            if (d.data.key === selected.key)
+              return;
+            if (!geoPointInPolygon(d.data.loc, poly))
+              return;
+            let dist = geoVecLength(d.data.loc, selected.loc);
+            let theta = selected.ca - d.data.ca;
+            let minTheta = Math.min(Math.abs(theta), 360 - Math.abs(theta));
+            if (minTheta > 20) {
+              dist += 5;
+            }
+            if (dist < minDist) {
+              nextID = d.data.key;
+              minDist = dist;
+            }
+          });
+          let nextBubble = nextID && that.cachedImage(nextID);
+          if (!nextBubble)
+            return;
+          context.map().centerEase(nextBubble.loc);
+          that.selectImage(context, nextBubble.key).yaw(yaw).showViewer(context);
+        };
+      }
+    },
+    yaw: function(yaw) {
+      if (typeof yaw !== "number")
+        return yaw;
+      _sceneOptions.yaw = yaw;
+      return this;
+    },
+    /**
+     * showViewer()
+     */
+    showViewer: function(context) {
+      let wrap2 = context.container().select(".photoviewer").classed("hide", false);
+      let isHidden = wrap2.selectAll(".photo-wrapper.ms-wrapper.hide").size();
+      if (isHidden) {
+        wrap2.selectAll(".photo-wrapper:not(.ms-wrapper)").classed("hide", true);
+        wrap2.selectAll(".photo-wrapper.ms-wrapper").classed("hide", false);
+      }
+      return this;
+    },
+    /**
+     * hideViewer()
+     */
+    hideViewer: function(context) {
+      let viewer = context.container().select(".photoviewer");
+      if (!viewer.empty())
+        viewer.datum(null);
+      viewer.classed("hide", true).selectAll(".photo-wrapper").classed("hide", true);
+      context.container().selectAll(".viewfield-group, .sequence, .icon-sign").classed("currentView", false);
+      this.updateUrlImage(null);
+      return this.setStyles(context, null, true);
+    },
+    /**
+     * selectImage().
+     */
+    selectImage: function(context, key) {
+      let that = this;
+      let d = this.cachedImage(key);
+      let viewer = context.container().select(".photoviewer");
+      if (!viewer.empty())
+        viewer.datum(d);
+      this.setStyles(context, null, true);
+      let wrap2 = context.container().select(".photoviewer .ms-wrapper");
+      let attribution = wrap2.selectAll(".photo-attribution").html("");
+      wrap2.selectAll(".pnlm-load-box").style("display", "block");
+      if (!d)
+        return this;
+      this.updateUrlImage(key);
+      _sceneOptions.northOffset = d.ca;
+      let line1 = attribution.append("div").attr("class", "attribution-row");
+      const hiresDomId = utilUniqueDomId("streetside-hires");
+      let label = line1.append("label").attr("for", hiresDomId).attr("class", "streetside-hires");
+      label.append("input").attr("type", "checkbox").attr("id", hiresDomId).property("checked", _hires).on("click", (d3_event) => {
+        d3_event.stopPropagation();
+        _hires = !_hires;
+        _resolution = _hires ? 1024 : 512;
+        wrap2.call(setupCanvas, true);
+        let viewstate = {
+          yaw: _pannellumViewer.getYaw(),
+          pitch: _pannellumViewer.getPitch(),
+          hfov: _pannellumViewer.getHfov()
+        };
+        _sceneOptions = Object.assign(_sceneOptions, viewstate);
+        that.selectImage(context, d.key).showViewer(context);
+      });
+      label.append("span").call(_t.append("streetside.hires"));
+      let captureInfo = line1.append("div").attr("class", "attribution-capture-info");
+      if (d.captured_by) {
+        const yyyy = (/* @__PURE__ */ new Date()).getFullYear();
+        captureInfo.append("a").attr("class", "captured_by").attr("target", "_blank").attr("href", "https://www.microsoft.com/en-us/maps/streetside").text("\xA9" + yyyy + " Microsoft");
+        captureInfo.append("span").text("|");
+      }
+      if (d.captured_at) {
+        captureInfo.append("span").attr("class", "captured_at").text(localeTimestamp(d.captured_at));
+      }
+      let line2 = attribution.append("div").attr("class", "attribution-row");
+      line2.append("a").attr("class", "image-view-link").attr("target", "_blank").attr("href", "https://www.bing.com/maps?cp=" + d.loc[1] + "~" + d.loc[0] + "&lvl=17&dir=" + d.ca + "&style=x&v=2&sV=1").call(_t.append("streetside.view_on_bing"));
+      line2.append("a").attr("class", "image-report-link").attr("target", "_blank").attr("href", "https://www.bing.com/maps/privacyreport/streetsideprivacyreport?bubbleid=" + encodeURIComponent(d.key) + "&focus=photo&lat=" + d.loc[1] + "&lng=" + d.loc[0] + "&z=17").call(_t.append("streetside.report"));
+      let bubbleIdQuadKey = d.key.toString(4);
+      const paddingNeeded = 16 - bubbleIdQuadKey.length;
+      for (let i2 = 0; i2 < paddingNeeded; i2++) {
+        bubbleIdQuadKey = "0" + bubbleIdQuadKey;
+      }
+      const imgUrlPrefix = streetsideImagesApi + "hs" + bubbleIdQuadKey;
+      const imgUrlSuffix = ".jpg?g=13515&n=z";
+      const faceKeys = ["01", "02", "03", "10", "11", "12"];
+      let quadKeys = getQuadKeys();
+      let faces = faceKeys.map((faceKey) => {
+        return quadKeys.map((quadKey) => {
+          const xy = qkToXY(quadKey);
+          return {
+            face: faceKey,
+            url: imgUrlPrefix + faceKey + quadKey + imgUrlSuffix,
+            x: xy[0],
+            y: xy[1]
+          };
+        });
+      });
+      loadFaces(faces).then(function() {
+        if (!_pannellumViewer) {
+          that.initViewer();
+        } else {
+          _currScene += 1;
+          let sceneID = _currScene.toString();
+          _pannellumViewer.addScene(sceneID, _sceneOptions).loadScene(sceneID);
+          if (_currScene > 2) {
+            sceneID = (_currScene - 1).toString();
+            _pannellumViewer.removeScene(sceneID);
+          }
+        }
+      });
+      return this;
+    },
+    getSequenceKeyForBubble: function(d) {
+      return d && d.sequenceKey;
+    },
+    // Updates the currently highlighted sequence and selected bubble.
+    // Reset is only necessary when interacting with the viewport because
+    // this implicitly changes the currently selected bubble/sequence
+    setStyles: function(context, hovered, reset) {
+      if (reset) {
+        context.container().selectAll(".viewfield-group").classed("highlighted", false).classed("hovered", false).classed("currentView", false);
+        context.container().selectAll(".sequence").classed("highlighted", false).classed("currentView", false);
+      }
+      let hoveredBubbleKey = hovered && hovered.key;
+      let hoveredSequenceKey = this.getSequenceKeyForBubble(hovered);
+      let hoveredSequence = hoveredSequenceKey && _ssCache.sequences[hoveredSequenceKey];
+      let hoveredBubbleKeys = hoveredSequence && hoveredSequence.bubbles.map((d) => d.key) || [];
+      let viewer = context.container().select(".photoviewer");
+      let selected = viewer.empty() ? void 0 : viewer.datum();
+      let selectedBubbleKey = selected && selected.key;
+      let selectedSequenceKey = this.getSequenceKeyForBubble(selected);
+      let selectedSequence = selectedSequenceKey && _ssCache.sequences[selectedSequenceKey];
+      let selectedBubbleKeys = selectedSequence && selectedSequence.bubbles.map((d) => d.key) || [];
+      let highlightedBubbleKeys = utilArrayUnion(hoveredBubbleKeys, selectedBubbleKeys);
+      context.container().selectAll(".layer-streetside-images .viewfield-group").classed("highlighted", (d) => highlightedBubbleKeys.indexOf(d.key) !== -1).classed("hovered", (d) => d.key === hoveredBubbleKey).classed("currentView", (d) => d.key === selectedBubbleKey);
+      context.container().selectAll(".layer-streetside-images .sequence").classed("highlighted", (d) => d.properties.key === hoveredSequenceKey).classed("currentView", (d) => d.properties.key === selectedSequenceKey);
+      context.container().selectAll(".layer-streetside-images .viewfield-group .viewfield").attr("d", viewfieldPath);
+      function viewfieldPath() {
+        let d = this.parentNode.__data__;
+        if (d.pano && d.key !== selectedBubbleKey) {
+          return "M 8,13 m -10,0 a 10,10 0 1,0 20,0 a 10,10 0 1,0 -20,0";
+        } else {
+          return "M 6,9 C 8,8.4 8,8.4 10,9 L 16,-2 C 12,-5 4,-5 0,-2 z";
+        }
+      }
+      return this;
+    },
+    updateUrlImage: function(imageKey) {
+      if (!window.mocha) {
+        var hash = utilStringQs(window.location.hash);
+        if (imageKey) {
+          hash.photo = "streetside/" + imageKey;
+        } else {
+          delete hash.photo;
+        }
+        window.location.replace("#" + utilQsString(hash, true));
+      }
+    },
+    /**
+     * cache().
+     */
+    cache: function() {
+      return _ssCache;
+    }
+  };
+
+  // modules/services/taginfo.js
+  var apibase4 = taginfoApiUrl;
+  var _inflight3 = {};
+  var _popularKeys = {};
+  var _taginfoCache = {};
+  var tag_sorts = {
+    point: "count_nodes",
+    vertex: "count_nodes",
+    area: "count_ways",
+    line: "count_ways"
+  };
+  var tag_sort_members = {
+    point: "count_node_members",
+    vertex: "count_node_members",
+    area: "count_way_members",
+    line: "count_way_members",
+    relation: "count_relation_members"
+  };
+  var tag_filters = {
+    point: "nodes",
+    vertex: "nodes",
+    area: "ways",
+    line: "ways"
+  };
+  var tag_members_fractions = {
+    point: "count_node_members_fraction",
+    vertex: "count_node_members_fraction",
+    area: "count_way_members_fraction",
+    line: "count_way_members_fraction",
+    relation: "count_relation_members_fraction"
+  };
+  function sets(params, n2, o) {
+    if (params.geometry && o[params.geometry]) {
+      params[n2] = o[params.geometry];
+    }
+    return params;
+  }
+  function setFilter(params) {
+    return sets(params, "filter", tag_filters);
+  }
+  function setSort(params) {
+    return sets(params, "sortname", tag_sorts);
+  }
+  function setSortMembers(params) {
+    return sets(params, "sortname", tag_sort_members);
+  }
+  function clean(params) {
+    return utilObjectOmit(params, ["geometry", "debounce"]);
+  }
+  function filterKeys(type2) {
+    var count_type = type2 ? "count_" + type2 : "count_all";
+    return function(d) {
+      return Number(d[count_type]) > 2500 || d.in_wiki;
+    };
+  }
+  function filterMultikeys(prefix) {
+    return function(d) {
+      var re2 = new RegExp("^" + prefix + "(.*)$", "i");
+      var matches = d.key.match(re2) || [];
+      return matches.length === 2 && matches[1].indexOf(":") === -1;
+    };
+  }
+  function filterValues(allowUpperCase) {
+    return function(d) {
+      if (d.value.match(/[;,]/) !== null)
+        return false;
+      if (!allowUpperCase && d.value.match(/[A-Z*]/) !== null)
+        return false;
+      return d.count > 100 || d.in_wiki;
+    };
+  }
+  function filterRoles(geometry) {
+    return function(d) {
+      if (d.role === "")
+        return false;
+      if (d.role.match(/[A-Z*;,]/) !== null)
+        return false;
+      return Number(d[tag_members_fractions[geometry]]) > 0;
+    };
+  }
+  function valKey(d) {
+    return {
+      value: d.key,
+      title: d.key
+    };
+  }
+  function valKeyDescription(d) {
+    var obj = {
+      value: d.value,
+      title: d.description || d.value
+    };
+    return obj;
+  }
+  function roleKey(d) {
+    return {
+      value: d.role,
+      title: d.role
+    };
+  }
+  function sortKeys(a, b) {
+    return a.key.indexOf(":") === -1 && b.key.indexOf(":") !== -1 ? -1 : a.key.indexOf(":") !== -1 && b.key.indexOf(":") === -1 ? 1 : 0;
+  }
+  var debouncedRequest2 = debounce_default(request2, 300, { leading: false });
+  function request2(url, params, exactMatch, callback, loaded) {
+    if (_inflight3[url])
+      return;
+    if (checkCache(url, params, exactMatch, callback))
+      return;
+    var controller = new AbortController();
+    _inflight3[url] = controller;
+    json_default(url, { signal: controller.signal }).then(function(result) {
+      delete _inflight3[url];
+      if (loaded)
+        loaded(null, result);
+    }).catch(function(err) {
+      delete _inflight3[url];
+      if (err.name === "AbortError")
+        return;
+      if (loaded)
+        loaded(err.message);
+    });
+  }
+  function checkCache(url, params, exactMatch, callback) {
+    var rp = params.rp || 25;
+    var testQuery = params.query || "";
+    var testUrl = url;
+    do {
+      var hit = _taginfoCache[testUrl];
+      if (hit && (url === testUrl || hit.length < rp)) {
+        callback(null, hit);
+        return true;
+      }
+      if (exactMatch || !testQuery.length)
+        return false;
+      testQuery = testQuery.slice(0, -1);
+      testUrl = url.replace(/&query=(.*?)&/, "&query=" + testQuery + "&");
+    } while (testQuery.length >= 0);
+    return false;
+  }
+  var taginfo_default = {
+    init: function() {
+      _inflight3 = {};
+      _taginfoCache = {};
+      _popularKeys = {
+        // manually exclude some keys – #5377, #7485
+        postal_code: true,
+        full_name: true,
+        loc_name: true,
+        reg_name: true,
+        short_name: true,
+        sorting_name: true,
+        artist_name: true,
+        nat_name: true,
+        long_name: true,
+        via: true,
+        "bridge:name": true
+      };
+      var params = {
+        rp: 100,
+        sortname: "values_all",
+        sortorder: "desc",
+        page: 1,
+        debounce: false,
+        lang: _mainLocalizer.languageCode()
+      };
+      this.keys(params, function(err, data) {
+        if (err)
+          return;
+        data.forEach(function(d) {
+          if (d.value === "opening_hours")
+            return;
+          _popularKeys[d.value] = true;
+        });
+      });
+    },
+    reset: function() {
+      Object.values(_inflight3).forEach(function(controller) {
+        controller.abort();
+      });
+      _inflight3 = {};
+    },
+    keys: function(params, callback) {
+      var doRequest = params.debounce ? debouncedRequest2 : request2;
+      params = clean(setSort(params));
+      params = Object.assign({
+        rp: 10,
+        sortname: "count_all",
+        sortorder: "desc",
+        page: 1,
+        lang: _mainLocalizer.languageCode()
+      }, params);
+      var url = apibase4 + "keys/all?" + utilQsString(params);
+      doRequest(url, params, false, callback, function(err, d) {
+        if (err) {
+          callback(err);
+        } else {
+          var f2 = filterKeys(params.filter);
+          var result = d.data.filter(f2).sort(sortKeys).map(valKey);
+          _taginfoCache[url] = result;
+          callback(null, result);
+        }
+      });
+    },
+    multikeys: function(params, callback) {
+      var doRequest = params.debounce ? debouncedRequest2 : request2;
+      params = clean(setSort(params));
+      params = Object.assign({
+        rp: 25,
+        sortname: "count_all",
+        sortorder: "desc",
+        page: 1,
+        lang: _mainLocalizer.languageCode()
+      }, params);
+      var prefix = params.query;
+      var url = apibase4 + "keys/all?" + utilQsString(params);
+      doRequest(url, params, true, callback, function(err, d) {
+        if (err) {
+          callback(err);
+        } else {
+          var f2 = filterMultikeys(prefix);
+          var result = d.data.filter(f2).map(valKey);
+          _taginfoCache[url] = result;
+          callback(null, result);
+        }
+      });
+    },
+    values: function(params, callback) {
+      var key = params.key;
+      if (key && _popularKeys[key]) {
+        callback(null, []);
+        return;
+      }
+      var doRequest = params.debounce ? debouncedRequest2 : request2;
+      params = clean(setSort(setFilter(params)));
+      params = Object.assign({
+        rp: 25,
+        sortname: "count_all",
+        sortorder: "desc",
+        page: 1,
+        lang: _mainLocalizer.languageCode()
+      }, params);
+      var url = apibase4 + "key/values?" + utilQsString(params);
+      doRequest(url, params, false, callback, function(err, d) {
+        if (err) {
+          callback(err);
+        } else {
+          var allowUpperCase = allowUpperCaseTagValues.test(params.key);
+          var f2 = filterValues(allowUpperCase);
+          var result = d.data.filter(f2).map(valKeyDescription);
+          _taginfoCache[url] = result;
+          callback(null, result);
+        }
+      });
+    },
+    roles: function(params, callback) {
+      var doRequest = params.debounce ? debouncedRequest2 : request2;
+      var geometry = params.geometry;
+      params = clean(setSortMembers(params));
+      params = Object.assign({
+        rp: 25,
+        sortname: "count_all_members",
+        sortorder: "desc",
+        page: 1,
+        lang: _mainLocalizer.languageCode()
+      }, params);
+      var url = apibase4 + "relation/roles?" + utilQsString(params);
+      doRequest(url, params, true, callback, function(err, d) {
+        if (err) {
+          callback(err);
+        } else {
+          var f2 = filterRoles(geometry);
+          var result = d.data.filter(f2).map(roleKey);
+          _taginfoCache[url] = result;
+          callback(null, result);
+        }
+      });
+    },
+    docs: function(params, callback) {
+      var doRequest = params.debounce ? debouncedRequest2 : request2;
+      params = clean(setSort(params));
+      var path = "key/wiki_pages?";
+      if (params.value) {
+        path = "tag/wiki_pages?";
+      } else if (params.rtype) {
+        path = "relation/wiki_pages?";
+      }
+      var url = apibase4 + path + utilQsString(params);
+      doRequest(url, params, true, callback, function(err, d) {
+        if (err) {
+          callback(err);
+        } else {
+          _taginfoCache[url] = d.data;
+          callback(null, d.data);
+        }
+      });
+    },
+    apibase: function(_) {
+      if (!arguments.length)
+        return apibase4;
+      apibase4 = _;
+      return this;
+    }
+  };
+
+  // modules/services/vector_tile.js
+  var import_fast_deep_equal11 = __toESM(require_fast_deep_equal());
+  var import_fast_json_stable_stringify2 = __toESM(require_fast_json_stable_stringify());
+  var import_polygon_clipping2 = __toESM(require_polygon_clipping_umd());
+  var import_pbf2 = __toESM(require_pbf());
+  var import_vector_tile2 = __toESM(require_vector_tile());
+  var tiler7 = utilTiler().tileSize(512).margin(1);
+  var dispatch9 = dispatch_default("loadedData");
+  var _vtCache;
+  function abortRequest7(controller) {
+    controller.abort();
+  }
+  function vtToGeoJSON(data, tile, mergeCache) {
+    var vectorTile = new import_vector_tile2.default.VectorTile(new import_pbf2.default(data));
+    var layers = Object.keys(vectorTile.layers);
+    if (!Array.isArray(layers)) {
+      layers = [layers];
+    }
+    var features = [];
+    layers.forEach(function(layerID) {
+      var layer = vectorTile.layers[layerID];
+      if (layer) {
+        for (var i2 = 0; i2 < layer.length; i2++) {
+          var feature3 = layer.feature(i2).toGeoJSON(tile.xyz[0], tile.xyz[1], tile.xyz[2]);
+          var geometry = feature3.geometry;
+          if (geometry.type === "Polygon") {
+            geometry.type = "MultiPolygon";
+            geometry.coordinates = [geometry.coordinates];
+          }
+          var isClipped = false;
+          if (geometry.type === "MultiPolygon") {
+            var featureClip = bboxClip(feature3, tile.extent.rectangle());
+            if (!(0, import_fast_deep_equal11.default)(feature3.geometry, featureClip.geometry)) {
+              isClipped = true;
+            }
+            if (!feature3.geometry.coordinates.length)
+              continue;
+            if (!feature3.geometry.coordinates[0].length)
+              continue;
+          }
+          var featurehash = utilHashcode((0, import_fast_json_stable_stringify2.default)(feature3));
+          var propertyhash = utilHashcode((0, import_fast_json_stable_stringify2.default)(feature3.properties || {}));
+          feature3.__layerID__ = layerID.replace(/[^_a-zA-Z0-9\-]/g, "_");
+          feature3.__featurehash__ = featurehash;
+          feature3.__propertyhash__ = propertyhash;
+          features.push(feature3);
+          if (isClipped && geometry.type === "MultiPolygon") {
+            var merged = mergeCache[propertyhash];
+            if (merged && merged.length) {
+              var other = merged[0];
+              var coords = import_polygon_clipping2.default.union(
+                feature3.geometry.coordinates,
+                other.geometry.coordinates
+              );
+              if (!coords || !coords.length) {
+                continue;
+              }
+              merged.push(feature3);
+              for (var j2 = 0; j2 < merged.length; j2++) {
+                merged[j2].geometry.coordinates = coords;
+                merged[j2].__featurehash__ = featurehash;
+              }
+            } else {
+              mergeCache[propertyhash] = [feature3];
+            }
+          }
+        }
+      }
+    });
+    return features;
+  }
+  function loadTile2(source, tile) {
+    if (source.loaded[tile.id] || source.inflight[tile.id])
+      return;
+    var url = source.template.replace("{x}", tile.xyz[0]).replace("{y}", tile.xyz[1]).replace(/\{[t-]y\}/, Math.pow(2, tile.xyz[2]) - tile.xyz[1] - 1).replace(/\{z(oom)?\}/, tile.xyz[2]).replace(/\{switch:([^}]+)\}/, function(s, r) {
+      var subdomains = r.split(",");
+      return subdomains[(tile.xyz[0] + tile.xyz[1]) % subdomains.length];
+    });
+    var controller = new AbortController();
+    source.inflight[tile.id] = controller;
+    fetch(url, { signal: controller.signal }).then(function(response) {
+      if (!response.ok) {
+        throw new Error(response.status + " " + response.statusText);
+      }
+      source.loaded[tile.id] = [];
+      delete source.inflight[tile.id];
+      return response.arrayBuffer();
+    }).then(function(data) {
+      if (!data) {
+        throw new Error("No Data");
+      }
+      var z = tile.xyz[2];
+      if (!source.canMerge[z]) {
+        source.canMerge[z] = {};
+      }
+      source.loaded[tile.id] = vtToGeoJSON(data, tile, source.canMerge[z]);
+      dispatch9.call("loadedData");
+    }).catch(function() {
+      source.loaded[tile.id] = [];
+      delete source.inflight[tile.id];
+    });
+  }
+  var vector_tile_default = {
+    init: function() {
+      if (!_vtCache) {
+        this.reset();
+      }
+      this.event = utilRebind(this, dispatch9, "on");
+    },
+    reset: function() {
+      for (var sourceID in _vtCache) {
+        var source = _vtCache[sourceID];
+        if (source && source.inflight) {
+          Object.values(source.inflight).forEach(abortRequest7);
+        }
+      }
+      _vtCache = {};
+    },
+    addSource: function(sourceID, template) {
+      _vtCache[sourceID] = { template, inflight: {}, loaded: {}, canMerge: {} };
+      return _vtCache[sourceID];
+    },
+    data: function(sourceID, projection2) {
+      var source = _vtCache[sourceID];
+      if (!source)
+        return [];
+      var tiles = tiler7.getTiles(projection2);
+      var seen = {};
+      var results = [];
+      for (var i2 = 0; i2 < tiles.length; i2++) {
+        var features = source.loaded[tiles[i2].id];
+        if (!features || !features.length)
+          continue;
+        for (var j2 = 0; j2 < features.length; j2++) {
+          var feature3 = features[j2];
+          var hash = feature3.__featurehash__;
+          if (seen[hash])
+            continue;
+          seen[hash] = true;
+          results.push(Object.assign({}, feature3));
+        }
+      }
+      return results;
+    },
+    loadTiles: function(sourceID, template, projection2) {
+      var source = _vtCache[sourceID];
+      if (!source) {
+        source = this.addSource(sourceID, template);
+      }
+      var tiles = tiler7.getTiles(projection2);
+      Object.keys(source.inflight).forEach(function(k) {
+        var wanted = tiles.find(function(tile) {
+          return k === tile.id;
+        });
+        if (!wanted) {
+          abortRequest7(source.inflight[k]);
+          delete source.inflight[k];
+        }
+      });
+      tiles.forEach(function(tile) {
+        loadTile2(source, tile);
+      });
+    },
+    cache: function() {
+      return _vtCache;
+    }
+  };
+
+  // modules/services/wikidata.js
+  var apibase5 = "https://www.wikidata.org/w/api.php?";
+  var _wikidataCache = {};
+  var wikidata_default = {
+    init: function() {
+    },
+    reset: function() {
+      _wikidataCache = {};
+    },
+    // Search for Wikidata items matching the query
+    itemsForSearchQuery: function(query, callback, language) {
+      if (!query) {
+        if (callback)
+          callback("No query", {});
+        return;
+      }
+      var lang = this.languagesToQuery()[0];
+      var url = apibase5 + utilQsString({
+        action: "wbsearchentities",
+        format: "json",
+        formatversion: 2,
+        search: query,
+        type: "item",
+        // the language to search
+        language: language || lang,
+        // the language for the label and description in the result
+        uselang: lang,
+        limit: 10,
+        origin: "*"
+      });
+      json_default(url).then((result) => {
+        if (result && result.error) {
+          if (result.error.code === "badvalue" && result.error.info.includes(lang) && !language && lang.includes("-")) {
+            this.itemsForSearchQuery(query, callback, lang.split("-")[0]);
+            return;
+          } else {
+            throw new Error(result.error);
+          }
+        }
+        if (callback)
+          callback(null, result.search || {});
+      }).catch(function(err) {
+        if (callback)
+          callback(err.message, {});
+      });
+    },
+    // Given a Wikipedia language and article title,
+    // return an array of corresponding Wikidata entities.
+    itemsByTitle: function(lang, title, callback) {
+      if (!title) {
+        if (callback)
+          callback("No title", {});
+        return;
+      }
+      lang = lang || "en";
+      var url = apibase5 + utilQsString({
+        action: "wbgetentities",
+        format: "json",
+        formatversion: 2,
+        sites: lang.replace(/-/g, "_") + "wiki",
+        titles: title,
+        languages: "en",
+        // shrink response by filtering to one language
+        origin: "*"
+      });
+      json_default(url).then(function(result) {
+        if (result && result.error) {
+          throw new Error(result.error);
+        }
+        if (callback)
+          callback(null, result.entities || {});
+      }).catch(function(err) {
+        if (callback)
+          callback(err.message, {});
+      });
+    },
+    languagesToQuery: function() {
+      return _mainLocalizer.localeCodes().map(function(code) {
+        return code.toLowerCase();
+      }).filter(function(code) {
+        return code !== "en-us";
+      });
+    },
+    entityByQID: function(qid, callback) {
+      if (!qid) {
+        callback("No qid", {});
+        return;
+      }
+      if (_wikidataCache[qid]) {
+        if (callback)
+          callback(null, _wikidataCache[qid]);
+        return;
+      }
+      var langs = this.languagesToQuery();
+      var url = apibase5 + utilQsString({
+        action: "wbgetentities",
+        format: "json",
+        formatversion: 2,
+        ids: qid,
+        props: "labels|descriptions|claims|sitelinks",
+        sitefilter: langs.map(function(d) {
+          return d + "wiki";
+        }).join("|"),
+        languages: langs.join("|"),
+        languagefallback: 1,
+        origin: "*"
+      });
+      json_default(url).then(function(result) {
+        if (result && result.error) {
+          throw new Error(result.error);
+        }
+        if (callback)
+          callback(null, result.entities[qid] || {});
+      }).catch(function(err) {
+        if (callback)
+          callback(err.message, {});
+      });
+    },
+    // Pass `params` object of the form:
+    // {
+    //   qid: 'string'      // brand wikidata  (e.g. 'Q37158')
+    // }
+    //
+    // Get an result object used to display tag documentation
+    // {
+    //   title:        'string',
+    //   description:  'string',
+    //   editURL:      'string',
+    //   imageURL:     'string',
+    //   wiki:         { title: 'string', text: 'string', url: 'string' }
+    // }
+    //
+    getDocs: function(params, callback) {
+      var langs = this.languagesToQuery();
+      this.entityByQID(params.qid, function(err, entity) {
+        if (err || !entity) {
+          callback(err || "No entity");
+          return;
+        }
+        var i2;
+        var description;
+        for (i2 in langs) {
+          let code = langs[i2];
+          if (entity.descriptions[code] && entity.descriptions[code].language === code) {
+            description = entity.descriptions[code];
+            break;
+          }
+        }
+        if (!description && Object.values(entity.descriptions).length)
+          description = Object.values(entity.descriptions)[0];
+        var result = {
+          title: entity.id,
+          description: description ? description.value : "",
+          descriptionLocaleCode: description ? description.language : "",
+          editURL: "https://www.wikidata.org/wiki/" + entity.id
+        };
+        if (entity.claims) {
+          var imageroot = "https://commons.wikimedia.org/w/index.php";
+          var props = ["P154", "P18"];
+          var prop, image;
+          for (i2 = 0; i2 < props.length; i2++) {
+            prop = entity.claims[props[i2]];
+            if (prop && Object.keys(prop).length > 0) {
+              image = prop[Object.keys(prop)[0]].mainsnak.datavalue.value;
+              if (image) {
+                result.imageURL = imageroot + "?" + utilQsString({
+                  title: "Special:Redirect/file/" + image,
+                  width: 400
+                });
+                break;
+              }
+            }
+          }
+        }
+        if (entity.sitelinks) {
+          var englishLocale = _mainLocalizer.languageCode().toLowerCase() === "en";
+          for (i2 = 0; i2 < langs.length; i2++) {
+            var w = langs[i2] + "wiki";
+            if (entity.sitelinks[w]) {
+              var title = entity.sitelinks[w].title;
+              var tKey = "inspector.wiki_reference";
+              if (!englishLocale && langs[i2] === "en") {
+                tKey = "inspector.wiki_en_reference";
+              }
+              result.wiki = {
+                title,
+                text: tKey,
+                url: "https://" + langs[i2] + ".wikipedia.org/wiki/" + title.replace(/ /g, "_")
+              };
+              break;
+            }
+          }
+        }
+        callback(null, result);
+      });
+    }
+  };
+
+  // modules/services/wikipedia.js
+  var endpoint = "https://en.wikipedia.org/w/api.php?";
+  var wikipedia_default = {
+    init: function() {
+    },
+    reset: function() {
+    },
+    search: function(lang, query, callback) {
+      if (!query) {
+        if (callback)
+          callback("No Query", []);
+        return;
+      }
+      lang = lang || "en";
+      var url = endpoint.replace("en", lang) + utilQsString({
+        action: "query",
+        list: "search",
+        srlimit: "10",
+        srinfo: "suggestion",
+        format: "json",
+        origin: "*",
+        srsearch: query
+      });
+      json_default(url).then(function(result) {
+        if (result && result.error) {
+          throw new Error(result.error);
+        } else if (!result || !result.query || !result.query.search) {
+          throw new Error("No Results");
+        }
+        if (callback) {
+          var titles = result.query.search.map(function(d) {
+            return d.title;
+          });
+          callback(null, titles);
+        }
+      }).catch(function(err) {
+        if (callback)
+          callback(err, []);
+      });
+    },
+    suggestions: function(lang, query, callback) {
+      if (!query) {
+        if (callback)
+          callback("", []);
+        return;
+      }
+      lang = lang || "en";
+      var url = endpoint.replace("en", lang) + utilQsString({
+        action: "opensearch",
+        namespace: 0,
+        suggest: "",
+        format: "json",
+        origin: "*",
+        search: query
+      });
+      json_default(url).then(function(result) {
+        if (result && result.error) {
+          throw new Error(result.error);
+        } else if (!result || result.length < 2) {
+          throw new Error("No Results");
+        }
+        if (callback)
+          callback(null, result[1] || []);
+      }).catch(function(err) {
+        if (callback)
+          callback(err.message, []);
+      });
+    },
+    translations: function(lang, title, callback) {
+      if (!title) {
+        if (callback)
+          callback("No Title");
+        return;
+      }
+      var url = endpoint.replace("en", lang) + utilQsString({
+        action: "query",
+        prop: "langlinks",
+        format: "json",
+        origin: "*",
+        lllimit: 500,
+        titles: title
+      });
+      json_default(url).then(function(result) {
+        if (result && result.error) {
+          throw new Error(result.error);
+        } else if (!result || !result.query || !result.query.pages) {
+          throw new Error("No Results");
+        }
+        if (callback) {
+          var list = result.query.pages[Object.keys(result.query.pages)[0]];
+          var translations = {};
+          if (list && list.langlinks) {
+            list.langlinks.forEach(function(d) {
+              translations[d.lang] = d["*"];
+            });
+          }
+          callback(null, translations);
+        }
+      }).catch(function(err) {
+        if (callback)
+          callback(err.message);
+      });
+    }
+  };
+
+  // modules/services/index.js
+  var services = {
+    geocoder: nominatim_default,
+    keepRight: keepRight_default,
+    improveOSM: improveOSM_default,
+    osmose: osmose_default,
+    mapillary: mapillary_default,
+    nsi: nsi_default,
+    kartaview: kartaview_default,
+    osm: osm_default,
+    osmWikibase: osm_wikibase_default,
+    maprules: maprules_default,
+    streetside: streetside_default,
+    taginfo: taginfo_default,
+    vectorTile: vector_tile_default,
+    wikidata: wikidata_default,
+    wikipedia: wikipedia_default
+  };
+
+  // modules/modes/drag_note.js
+  function modeDragNote(context) {
+    var mode = {
+      id: "drag-note",
+      button: "browse"
+    };
+    var edit2 = behaviorEdit(context);
+    var _nudgeInterval;
+    var _lastLoc;
+    var _note;
+    function startNudge(d3_event, nudge) {
+      if (_nudgeInterval)
+        window.clearInterval(_nudgeInterval);
+      _nudgeInterval = window.setInterval(function() {
+        context.map().pan(nudge);
+        doMove(d3_event, nudge);
+      }, 50);
+    }
+    function stopNudge() {
+      if (_nudgeInterval) {
+        window.clearInterval(_nudgeInterval);
+        _nudgeInterval = null;
+      }
+    }
+    function origin(note) {
+      return context.projection(note.loc);
+    }
+    function start2(d3_event, note) {
+      _note = note;
+      var osm = services.osm;
+      if (osm) {
+        _note = osm.getNote(_note.id);
+      }
+      context.surface().selectAll(".note-" + _note.id).classed("active", true);
+      context.perform(actionNoop());
+      context.enter(mode);
+      context.selectedNoteID(_note.id);
+    }
+    function move(d3_event, entity, point2) {
+      d3_event.stopPropagation();
+      _lastLoc = context.projection.invert(point2);
+      doMove(d3_event);
+      var nudge = geoViewportEdge(point2, context.map().dimensions());
+      if (nudge) {
+        startNudge(d3_event, nudge);
+      } else {
+        stopNudge();
+      }
+    }
+    function doMove(d3_event, nudge) {
+      nudge = nudge || [0, 0];
+      var currPoint = d3_event && d3_event.point || context.projection(_lastLoc);
+      var currMouse = geoVecSubtract(currPoint, nudge);
+      var loc = context.projection.invert(currMouse);
+      _note = _note.move(loc);
+      var osm = services.osm;
+      if (osm) {
+        osm.replaceNote(_note);
+      }
+      context.replace(actionNoop());
+    }
+    function end() {
+      context.replace(actionNoop());
+      context.selectedNoteID(_note.id).enter(modeSelectNote(context, _note.id));
+    }
+    var drag = behaviorDrag().selector(".layer-touch.markers .target.note.new").surface(context.container().select(".main-map").node()).origin(origin).on("start", start2).on("move", move).on("end", end);
+    mode.enter = function() {
+      context.install(edit2);
+    };
+    mode.exit = function() {
+      context.ui().sidebar.hover.cancel();
+      context.uninstall(edit2);
+      context.surface().selectAll(".active").classed("active", false);
+      stopNudge();
+    };
+    mode.behavior = drag;
+    return mode;
+  }
+
+  // modules/modes/select_data.js
+  function modeSelectData(context, selectedDatum) {
+    var mode = {
+      id: "select-data",
+      button: "browse"
+    };
+    var keybinding = utilKeybinding("select-data");
+    var dataEditor = uiDataEditor(context);
+    var behaviors = [
+      behaviorBreathe(context),
+      behaviorHover(context),
+      behaviorSelect(context),
+      behaviorLasso(context),
+      modeDragNode(context).behavior,
+      modeDragNote(context).behavior
+    ];
+    function selectData(d3_event, drawn) {
+      var selection2 = context.surface().selectAll(".layer-mapdata .data" + selectedDatum.__featurehash__);
+      if (selection2.empty()) {
+        var source = d3_event && d3_event.type === "zoom" && d3_event.sourceEvent;
+        if (drawn && source && (source.type === "pointermove" || source.type === "mousemove" || source.type === "touchmove")) {
+          context.enter(modeBrowse(context));
+        }
+      } else {
+        selection2.classed("selected", true);
+      }
+    }
+    function esc() {
+      if (context.container().select(".combobox").size())
+        return;
+      context.enter(modeBrowse(context));
+    }
+    mode.zoomToSelected = function() {
+      var extent = geoExtent(bounds_default(selectedDatum));
+      context.map().centerZoomEase(extent.center(), context.map().trimmedExtentZoom(extent));
+    };
+    mode.enter = function() {
+      behaviors.forEach(context.install);
+      keybinding.on(_t("inspector.zoom_to.key"), mode.zoomToSelected).on("\u238B", esc, true);
+      select_default2(document).call(keybinding);
+      selectData();
+      var sidebar = context.ui().sidebar;
+      sidebar.show(dataEditor.datum(selectedDatum));
+      var extent = geoExtent(bounds_default(selectedDatum));
+      sidebar.expand(sidebar.intersects(extent));
+      context.map().on("drawn.select-data", selectData);
+    };
+    mode.exit = function() {
+      behaviors.forEach(context.uninstall);
+      select_default2(document).call(keybinding.unbind);
+      context.surface().selectAll(".layer-mapdata .selected").classed("selected hover", false);
+      context.map().on("drawn.select-data", null);
+      context.ui().sidebar.hide();
+    };
+    return mode;
+  }
+
+  // modules/behavior/select.js
+  function behaviorSelect(context) {
+    var _tolerancePx = 4;
+    var _lastMouseEvent = null;
+    var _showMenu = false;
+    var _downPointers = {};
+    var _longPressTimeout = null;
+    var _lastInteractionType = null;
+    var _multiselectionPointerId = null;
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    function keydown(d3_event) {
+      if (d3_event.keyCode === 32) {
+        var activeNode = document.activeElement;
+        if (activeNode && (/* @__PURE__ */ new Set(["INPUT", "TEXTAREA"])).has(activeNode.nodeName))
+          return;
+      }
+      if (d3_event.keyCode === 93 || // context menu key
+      d3_event.keyCode === 32) {
+        d3_event.preventDefault();
+      }
+      if (d3_event.repeat)
+        return;
+      cancelLongPress();
+      if (d3_event.shiftKey) {
+        context.surface().classed("behavior-multiselect", true);
+      }
+      if (d3_event.keyCode === 32) {
+        if (!_downPointers.spacebar && _lastMouseEvent) {
+          cancelLongPress();
+          _longPressTimeout = window.setTimeout(didLongPress, 500, "spacebar", "spacebar");
+          _downPointers.spacebar = {
+            firstEvent: _lastMouseEvent,
+            lastEvent: _lastMouseEvent
+          };
+        }
+      }
+    }
+    function keyup(d3_event) {
+      cancelLongPress();
+      if (!d3_event.shiftKey) {
+        context.surface().classed("behavior-multiselect", false);
+      }
+      if (d3_event.keyCode === 93) {
+        d3_event.preventDefault();
+        _lastInteractionType = "menukey";
+        contextmenu(d3_event);
+      } else if (d3_event.keyCode === 32) {
+        var pointer = _downPointers.spacebar;
+        if (pointer) {
+          delete _downPointers.spacebar;
+          if (pointer.done)
+            return;
+          d3_event.preventDefault();
+          _lastInteractionType = "spacebar";
+          click(pointer.firstEvent, pointer.lastEvent, "spacebar");
+        }
+      }
+    }
+    function pointerdown(d3_event) {
+      var id2 = (d3_event.pointerId || "mouse").toString();
+      cancelLongPress();
+      if (d3_event.buttons && d3_event.buttons !== 1)
+        return;
+      context.ui().closeEditMenu();
+      if (d3_event.pointerType !== "mouse") {
+        _longPressTimeout = window.setTimeout(didLongPress, 500, id2, "longdown-" + (d3_event.pointerType || "mouse"));
+      }
+      _downPointers[id2] = {
+        firstEvent: d3_event,
+        lastEvent: d3_event
+      };
+    }
+    function didLongPress(id2, interactionType) {
+      var pointer = _downPointers[id2];
+      if (!pointer)
+        return;
+      for (var i2 in _downPointers) {
+        _downPointers[i2].done = true;
+      }
+      _longPressTimeout = null;
+      _lastInteractionType = interactionType;
+      _showMenu = true;
+      click(pointer.firstEvent, pointer.lastEvent, id2);
+    }
+    function pointermove(d3_event) {
+      var id2 = (d3_event.pointerId || "mouse").toString();
+      if (_downPointers[id2]) {
+        _downPointers[id2].lastEvent = d3_event;
+      }
+      if (!d3_event.pointerType || d3_event.pointerType === "mouse") {
+        _lastMouseEvent = d3_event;
+        if (_downPointers.spacebar) {
+          _downPointers.spacebar.lastEvent = d3_event;
+        }
+      }
+    }
+    function pointerup(d3_event) {
+      var id2 = (d3_event.pointerId || "mouse").toString();
+      var pointer = _downPointers[id2];
+      if (!pointer)
+        return;
+      delete _downPointers[id2];
+      if (_multiselectionPointerId === id2) {
+        _multiselectionPointerId = null;
+      }
+      if (pointer.done)
+        return;
+      click(pointer.firstEvent, d3_event, id2);
+    }
+    function pointercancel(d3_event) {
+      var id2 = (d3_event.pointerId || "mouse").toString();
+      if (!_downPointers[id2])
+        return;
+      delete _downPointers[id2];
+      if (_multiselectionPointerId === id2) {
+        _multiselectionPointerId = null;
+      }
+    }
+    function contextmenu(d3_event) {
+      d3_event.preventDefault();
+      if (!+d3_event.clientX && !+d3_event.clientY) {
+        if (_lastMouseEvent) {
+          d3_event = _lastMouseEvent;
+        } else {
+          return;
+        }
+      } else {
+        _lastMouseEvent = d3_event;
+        if (d3_event.pointerType === "touch" || d3_event.pointerType === "pen" || d3_event.mozInputSource && // firefox doesn't give a pointerType on contextmenu events
+        (d3_event.mozInputSource === MouseEvent.MOZ_SOURCE_TOUCH || d3_event.mozInputSource === MouseEvent.MOZ_SOURCE_PEN)) {
+          _lastInteractionType = "touch";
+        } else {
+          _lastInteractionType = "rightclick";
+        }
+      }
+      _showMenu = true;
+      click(d3_event, d3_event);
+    }
+    function click(firstEvent, lastEvent, pointerId) {
+      cancelLongPress();
+      var mapNode = context.container().select(".main-map").node();
+      var pointGetter = utilFastMouse(mapNode);
+      var p1 = pointGetter(firstEvent);
+      var p2 = pointGetter(lastEvent);
+      var dist = geoVecLength(p1, p2);
+      if (dist > _tolerancePx || !mapContains(lastEvent)) {
+        resetProperties();
+        return;
+      }
+      var targetDatum = lastEvent.target.__data__;
+      var multiselectEntityId;
+      if (!_multiselectionPointerId) {
+        var selectPointerInfo = pointerDownOnSelection(pointerId);
+        if (selectPointerInfo) {
+          _multiselectionPointerId = selectPointerInfo.pointerId;
+          multiselectEntityId = !selectPointerInfo.selected && selectPointerInfo.entityId;
+          _downPointers[selectPointerInfo.pointerId].done = true;
+        }
+      }
+      var isMultiselect = context.mode().id === "select" && // and shift key is down
+      (lastEvent && lastEvent.shiftKey || // or we're lasso-selecting
+      context.surface().select(".lasso").node() || // or a pointer is down over a selected feature
+      _multiselectionPointerId && !multiselectEntityId);
+      processClick(targetDatum, isMultiselect, p2, multiselectEntityId);
+      function mapContains(event) {
+        var rect = mapNode.getBoundingClientRect();
+        return event.clientX >= rect.left && event.clientX <= rect.right && event.clientY >= rect.top && event.clientY <= rect.bottom;
+      }
+      function pointerDownOnSelection(skipPointerId) {
+        var mode = context.mode();
+        var selectedIDs = mode.id === "select" ? mode.selectedIDs() : [];
+        for (var pointerId2 in _downPointers) {
+          if (pointerId2 === "spacebar" || pointerId2 === skipPointerId)
+            continue;
+          var pointerInfo = _downPointers[pointerId2];
+          var p12 = pointGetter(pointerInfo.firstEvent);
+          var p22 = pointGetter(pointerInfo.lastEvent);
+          if (geoVecLength(p12, p22) > _tolerancePx)
+            continue;
+          var datum2 = pointerInfo.firstEvent.target.__data__;
+          var entity = datum2 && datum2.properties && datum2.properties.entity || datum2;
+          if (context.graph().hasEntity(entity.id)) {
+            return {
+              pointerId: pointerId2,
+              entityId: entity.id,
+              selected: selectedIDs.indexOf(entity.id) !== -1
+            };
+          }
+        }
+        return null;
+      }
+    }
+    function processClick(datum2, isMultiselect, point2, alsoSelectId) {
+      var mode = context.mode();
+      var showMenu = _showMenu;
+      var interactionType = _lastInteractionType;
+      var entity = datum2 && datum2.properties && datum2.properties.entity;
+      if (entity)
+        datum2 = entity;
+      if (datum2 && datum2.type === "midpoint") {
+        datum2 = datum2.parents[0];
+      }
+      var newMode;
+      if (datum2 instanceof osmEntity) {
+        var selectedIDs = context.selectedIDs();
+        context.selectedNoteID(null);
+        context.selectedErrorID(null);
+        if (!isMultiselect) {
+          if (!showMenu || selectedIDs.length <= 1 || selectedIDs.indexOf(datum2.id) === -1) {
+            if (alsoSelectId === datum2.id)
+              alsoSelectId = null;
+            selectedIDs = (alsoSelectId ? [alsoSelectId] : []).concat([datum2.id]);
+            newMode = mode.id === "select" ? mode.selectedIDs(selectedIDs) : modeSelect(context, selectedIDs).selectBehavior(behavior);
+            context.enter(newMode);
+          }
+        } else {
+          if (selectedIDs.indexOf(datum2.id) !== -1) {
+            if (!showMenu) {
+              selectedIDs = selectedIDs.filter(function(id2) {
+                return id2 !== datum2.id;
+              });
+              newMode = selectedIDs.length ? mode.selectedIDs(selectedIDs) : modeBrowse(context).selectBehavior(behavior);
+              context.enter(newMode);
+            }
+          } else {
+            selectedIDs = selectedIDs.concat([datum2.id]);
+            newMode = mode.selectedIDs(selectedIDs);
+            context.enter(newMode);
+          }
+        }
+      } else if (datum2 && datum2.__featurehash__ && !isMultiselect) {
+        context.selectedNoteID(null).enter(modeSelectData(context, datum2));
+      } else if (datum2 instanceof osmNote && !isMultiselect) {
+        context.selectedNoteID(datum2.id).enter(modeSelectNote(context, datum2.id));
+      } else if (datum2 instanceof QAItem && !isMultiselect) {
+        context.selectedErrorID(datum2.id).enter(modeSelectError(context, datum2.id, datum2.service));
+      } else {
+        context.selectedNoteID(null);
+        context.selectedErrorID(null);
+        if (!isMultiselect && mode.id !== "browse") {
+          context.enter(modeBrowse(context));
+        }
+      }
+      context.ui().closeEditMenu();
+      if (showMenu)
+        context.ui().showEditMenu(point2, interactionType);
+      resetProperties();
+    }
+    function cancelLongPress() {
+      if (_longPressTimeout)
+        window.clearTimeout(_longPressTimeout);
+      _longPressTimeout = null;
+    }
+    function resetProperties() {
+      cancelLongPress();
+      _showMenu = false;
+      _lastInteractionType = null;
+    }
+    function behavior(selection2) {
+      resetProperties();
+      _lastMouseEvent = context.map().lastPointerEvent();
+      select_default2(window).on("keydown.select", keydown).on("keyup.select", keyup).on(_pointerPrefix + "move.select", pointermove, true).on(_pointerPrefix + "up.select", pointerup, true).on("pointercancel.select", pointercancel, true).on("contextmenu.select-window", function(d3_event) {
+        var e = d3_event;
+        if (+e.clientX === 0 && +e.clientY === 0) {
+          d3_event.preventDefault();
+        }
+      });
+      selection2.on(_pointerPrefix + "down.select", pointerdown).on("contextmenu.select", contextmenu);
+    }
+    behavior.off = function(selection2) {
+      cancelLongPress();
+      select_default2(window).on("keydown.select", null).on("keyup.select", null).on("contextmenu.select-window", null).on(_pointerPrefix + "move.select", null, true).on(_pointerPrefix + "up.select", null, true).on("pointercancel.select", null, true);
+      selection2.on(_pointerPrefix + "down.select", null).on("contextmenu.select", null);
+      context.surface().classed("behavior-multiselect", false);
+    };
+    return behavior;
+  }
+
+  // modules/operations/index.js
+  var operations_exports = {};
+  __export(operations_exports, {
+    operationCircularize: () => operationCircularize,
+    operationContinue: () => operationContinue,
+    operationCopy: () => operationCopy,
+    operationDelete: () => operationDelete,
+    operationDisconnect: () => operationDisconnect,
+    operationDowngrade: () => operationDowngrade,
+    operationExtract: () => operationExtract,
+    operationMerge: () => operationMerge,
+    operationMove: () => operationMove,
+    operationOrthogonalize: () => operationOrthogonalize,
+    operationPaste: () => operationPaste,
+    operationReflectLong: () => operationReflectLong,
+    operationReflectShort: () => operationReflectShort,
+    operationReverse: () => operationReverse,
+    operationRotate: () => operationRotate,
+    operationSplit: () => operationSplit,
+    operationStraighten: () => operationStraighten
+  });
+
+  // modules/operations/continue.js
+  function operationContinue(context, selectedIDs) {
+    var _entities = selectedIDs.map(function(id2) {
+      return context.graph().entity(id2);
+    });
+    var _geometries = Object.assign(
+      { line: [], vertex: [] },
+      utilArrayGroupBy(_entities, function(entity) {
+        return entity.geometry(context.graph());
+      })
+    );
+    var _vertex = _geometries.vertex.length && _geometries.vertex[0];
+    function candidateWays() {
+      return _vertex ? context.graph().parentWays(_vertex).filter(function(parent) {
+        return parent.geometry(context.graph()) === "line" && !parent.isClosed() && parent.affix(_vertex.id) && (_geometries.line.length === 0 || _geometries.line[0] === parent);
+      }) : [];
+    }
+    var _candidates = candidateWays();
+    var operation = function() {
+      var candidate = _candidates[0];
+      context.enter(
+        modeDrawLine(context, candidate.id, context.graph(), "line", candidate.affix(_vertex.id), true)
+      );
+    };
+    operation.relatedEntityIds = function() {
+      return _candidates.length ? [_candidates[0].id] : [];
+    };
+    operation.available = function() {
+      return _geometries.vertex.length === 1 && _geometries.line.length <= 1 && !context.features().hasHiddenConnections(_vertex, context.graph());
+    };
+    operation.disabled = function() {
+      if (_candidates.length === 0) {
+        return "not_eligible";
+      } else if (_candidates.length > 1) {
+        return "multiple";
+      }
+      return false;
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.continue." + disable) : _t.append("operations.continue.description");
+    };
+    operation.annotation = function() {
+      return _t("operations.continue.annotation.line");
+    };
+    operation.id = "continue";
+    operation.keys = [_t("operations.continue.key")];
+    operation.title = _t.append("operations.continue.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/copy.js
+  function operationCopy(context, selectedIDs) {
+    function getFilteredIdsToCopy() {
+      return selectedIDs.filter(function(selectedID) {
+        var entity = context.graph().hasEntity(selectedID);
+        return entity.hasInterestingTags() || entity.geometry(context.graph()) !== "vertex";
+      });
+    }
+    var operation = function() {
+      var graph = context.graph();
+      var selected = groupEntities(getFilteredIdsToCopy(), graph);
+      var canCopy = [];
+      var skip = {};
+      var entity;
+      var i2;
+      for (i2 = 0; i2 < selected.relation.length; i2++) {
+        entity = selected.relation[i2];
+        if (!skip[entity.id] && entity.isComplete(graph)) {
+          canCopy.push(entity.id);
+          skip = getDescendants(entity.id, graph, skip);
+        }
+      }
+      for (i2 = 0; i2 < selected.way.length; i2++) {
+        entity = selected.way[i2];
+        if (!skip[entity.id]) {
+          canCopy.push(entity.id);
+          skip = getDescendants(entity.id, graph, skip);
+        }
+      }
+      for (i2 = 0; i2 < selected.node.length; i2++) {
+        entity = selected.node[i2];
+        if (!skip[entity.id]) {
+          canCopy.push(entity.id);
+        }
+      }
+      context.copyIDs(canCopy);
+      if (_point && (canCopy.length !== 1 || graph.entity(canCopy[0]).type !== "node")) {
+        context.copyLonLat(context.projection.invert(_point));
+      } else {
+        context.copyLonLat(null);
+      }
+    };
+    function groupEntities(ids, graph) {
+      var entities = ids.map(function(id2) {
+        return graph.entity(id2);
+      });
+      return Object.assign(
+        { relation: [], way: [], node: [] },
+        utilArrayGroupBy(entities, "type")
+      );
+    }
+    function getDescendants(id2, graph, descendants) {
+      var entity = graph.entity(id2);
+      var children2;
+      descendants = descendants || {};
+      if (entity.type === "relation") {
+        children2 = entity.members.map(function(m) {
+          return m.id;
+        });
+      } else if (entity.type === "way") {
+        children2 = entity.nodes;
+      } else {
+        children2 = [];
+      }
+      for (var i2 = 0; i2 < children2.length; i2++) {
+        if (!descendants[children2[i2]]) {
+          descendants[children2[i2]] = true;
+          descendants = getDescendants(children2[i2], graph, descendants);
+        }
+      }
+      return descendants;
+    }
+    operation.available = function() {
+      return getFilteredIdsToCopy().length > 0;
+    };
+    operation.disabled = function() {
+      var extent = utilTotalExtent(getFilteredIdsToCopy(), context.graph());
+      if (extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      }
+      return false;
+    };
+    operation.availableForKeypress = function() {
+      var selection2 = window.getSelection && window.getSelection();
+      return !selection2 || !selection2.toString();
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.copy." + disable, { n: selectedIDs.length }) : _t.append("operations.copy.description", { n: selectedIDs.length });
+    };
+    operation.annotation = function() {
+      return _t("operations.copy.annotation", { n: selectedIDs.length });
+    };
+    var _point;
+    operation.point = function(val) {
+      _point = val;
+      return operation;
+    };
+    operation.id = "copy";
+    operation.keys = [uiCmd("\u2318C")];
+    operation.title = _t.append("operations.copy.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/disconnect.js
+  function operationDisconnect(context, selectedIDs) {
+    var _vertexIDs = [];
+    var _wayIDs = [];
+    var _otherIDs = [];
+    var _actions = [];
+    selectedIDs.forEach(function(id2) {
+      var entity = context.entity(id2);
+      if (entity.type === "way") {
+        _wayIDs.push(id2);
+      } else if (entity.geometry(context.graph()) === "vertex") {
+        _vertexIDs.push(id2);
+      } else {
+        _otherIDs.push(id2);
+      }
+    });
+    var _coords, _descriptionID = "", _annotationID = "features";
+    var _disconnectingVertexIds = [];
+    var _disconnectingWayIds = [];
+    if (_vertexIDs.length > 0) {
+      _disconnectingVertexIds = _vertexIDs;
+      _vertexIDs.forEach(function(vertexID) {
+        var action = actionDisconnect(vertexID);
+        if (_wayIDs.length > 0) {
+          var waysIDsForVertex = _wayIDs.filter(function(wayID) {
+            var way = context.entity(wayID);
+            return way.nodes.indexOf(vertexID) !== -1;
+          });
+          action.limitWays(waysIDsForVertex);
+        }
+        _actions.push(action);
+        _disconnectingWayIds = _disconnectingWayIds.concat(context.graph().parentWays(context.graph().entity(vertexID)).map((d) => d.id));
+      });
+      _disconnectingWayIds = utilArrayUniq(_disconnectingWayIds).filter(function(id2) {
+        return _wayIDs.indexOf(id2) === -1;
+      });
+      _descriptionID += _actions.length === 1 ? "single_point." : "multiple_points.";
+      if (_wayIDs.length === 1) {
+        _descriptionID += "single_way." + context.graph().geometry(_wayIDs[0]);
+      } else {
+        _descriptionID += _wayIDs.length === 0 ? "no_ways" : "multiple_ways";
+      }
+    } else if (_wayIDs.length > 0) {
+      var ways = _wayIDs.map(function(id2) {
+        return context.entity(id2);
+      });
+      var nodes = utilGetAllNodes(_wayIDs, context.graph());
+      _coords = nodes.map(function(n2) {
+        return n2.loc;
+      });
+      var sharedActions = [];
+      var sharedNodes = [];
+      var unsharedActions = [];
+      var unsharedNodes = [];
+      nodes.forEach(function(node) {
+        var action = actionDisconnect(node.id).limitWays(_wayIDs);
+        if (action.disabled(context.graph()) !== "not_connected") {
+          var count = 0;
+          for (var i2 in ways) {
+            var way = ways[i2];
+            if (way.nodes.indexOf(node.id) !== -1) {
+              count += 1;
+            }
+            if (count > 1)
+              break;
+          }
+          if (count > 1) {
+            sharedActions.push(action);
+            sharedNodes.push(node);
+          } else {
+            unsharedActions.push(action);
+            unsharedNodes.push(node);
+          }
+        }
+      });
+      _descriptionID += "no_points.";
+      _descriptionID += _wayIDs.length === 1 ? "single_way." : "multiple_ways.";
+      if (sharedActions.length) {
+        _actions = sharedActions;
+        _disconnectingVertexIds = sharedNodes.map((node) => node.id);
+        _descriptionID += "conjoined";
+        _annotationID = "from_each_other";
+      } else {
+        _actions = unsharedActions;
+        _disconnectingVertexIds = unsharedNodes.map((node) => node.id);
+        if (_wayIDs.length === 1) {
+          _descriptionID += context.graph().geometry(_wayIDs[0]);
+        } else {
+          _descriptionID += "separate";
+        }
+      }
+    }
+    var _extent = utilTotalExtent(_disconnectingVertexIds, context.graph());
+    var operation = function() {
+      context.perform(function(graph) {
+        return _actions.reduce(function(graph2, action) {
+          return action(graph2);
+        }, graph);
+      }, operation.annotation());
+      context.validator().validate();
+    };
+    operation.relatedEntityIds = function() {
+      if (_vertexIDs.length) {
+        return _disconnectingWayIds;
+      }
+      return _disconnectingVertexIds;
+    };
+    operation.available = function() {
+      if (_actions.length === 0)
+        return false;
+      if (_otherIDs.length !== 0)
+        return false;
+      if (_vertexIDs.length !== 0 && _wayIDs.length !== 0 && !_wayIDs.every(function(wayID) {
+        return _vertexIDs.some(function(vertexID) {
+          var way = context.entity(wayID);
+          return way.nodes.indexOf(vertexID) !== -1;
+        });
+      }))
+        return false;
+      return true;
+    };
+    operation.disabled = function() {
+      var reason;
+      for (var actionIndex in _actions) {
+        reason = _actions[actionIndex].disabled(context.graph());
+        if (reason)
+          return reason;
+      }
+      if (_extent && _extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large." + ((_vertexIDs.length ? _vertexIDs : _wayIDs).length === 1 ? "single" : "multiple");
+      } else if (_coords && someMissing()) {
+        return "not_downloaded";
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      }
+      return false;
+      function someMissing() {
+        if (context.inIntro())
+          return false;
+        var osm = context.connection();
+        if (osm) {
+          var missing = _coords.filter(function(loc) {
+            return !osm.isDataLoaded(loc);
+          });
+          if (missing.length) {
+            missing.forEach(function(loc) {
+              context.loadTileAtLoc(loc);
+            });
+            return true;
+          }
+        }
+        return false;
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.disconnect." + disable) : _t.append("operations.disconnect.description." + _descriptionID);
+    };
+    operation.annotation = function() {
+      return _t("operations.disconnect.annotation." + _annotationID);
+    };
+    operation.id = "disconnect";
+    operation.keys = [_t("operations.disconnect.key")];
+    operation.title = _t.append("operations.disconnect.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/downgrade.js
+  function operationDowngrade(context, selectedIDs) {
+    var _affectedFeatureCount = 0;
+    var _downgradeType = downgradeTypeForEntityIDs(selectedIDs);
+    var _multi = _affectedFeatureCount === 1 ? "single" : "multiple";
+    function downgradeTypeForEntityIDs(entityIds) {
+      var downgradeType;
+      _affectedFeatureCount = 0;
+      for (var i2 in entityIds) {
+        var entityID = entityIds[i2];
+        var type2 = downgradeTypeForEntityID(entityID);
+        if (type2) {
+          _affectedFeatureCount += 1;
+          if (downgradeType && type2 !== downgradeType) {
+            if (downgradeType !== "generic" && type2 !== "generic") {
+              downgradeType = "building_address";
+            } else {
+              downgradeType = "generic";
+            }
+          } else {
+            downgradeType = type2;
+          }
+        }
+      }
+      return downgradeType;
+    }
+    function downgradeTypeForEntityID(entityID) {
+      var graph = context.graph();
+      var entity = graph.entity(entityID);
+      var preset = _mainPresetIndex.match(entity, graph);
+      if (!preset || preset.isFallback())
+        return null;
+      if (entity.type === "node" && preset.id !== "address" && Object.keys(entity.tags).some(function(key) {
+        return key.match(/^addr:.{1,}/);
+      })) {
+        return "address";
+      }
+      var geometry = entity.geometry(graph);
+      if (geometry === "area" && entity.tags.building && !preset.tags.building) {
+        return "building";
+      }
+      if (geometry === "vertex" && Object.keys(entity.tags).length) {
+        return "generic";
+      }
+      return null;
+    }
+    var buildingKeysToKeep = ["architect", "building", "height", "layer", "source", "type", "wheelchair"];
+    var addressKeysToKeep = ["source"];
+    var operation = function() {
+      context.perform(function(graph) {
+        for (var i2 in selectedIDs) {
+          var entityID = selectedIDs[i2];
+          var type2 = downgradeTypeForEntityID(entityID);
+          if (!type2)
+            continue;
+          var tags = Object.assign({}, graph.entity(entityID).tags);
+          for (var key in tags) {
+            if (type2 === "address" && addressKeysToKeep.indexOf(key) !== -1)
+              continue;
+            if (type2 === "building") {
+              if (buildingKeysToKeep.indexOf(key) !== -1 || key.match(/^building:.{1,}/) || key.match(/^roof:.{1,}/))
+                continue;
+            }
+            if (type2 !== "generic") {
+              if (key.match(/^addr:.{1,}/) || key.match(/^source:.{1,}/))
+                continue;
+            }
+            delete tags[key];
+          }
+          graph = actionChangeTags(entityID, tags)(graph);
+        }
+        return graph;
+      }, operation.annotation());
+      context.validator().validate();
+      context.enter(modeSelect(context, selectedIDs));
+    };
+    operation.available = function() {
+      return _downgradeType;
+    };
+    operation.disabled = function() {
+      if (selectedIDs.some(hasWikidataTag)) {
+        return "has_wikidata_tag";
+      }
+      return false;
+      function hasWikidataTag(id2) {
+        var entity = context.entity(id2);
+        return entity.tags.wikidata && entity.tags.wikidata.trim().length > 0;
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.downgrade." + disable + "." + _multi) : _t.append("operations.downgrade.description." + _downgradeType);
+    };
+    operation.annotation = function() {
+      var suffix;
+      if (_downgradeType === "building_address") {
+        suffix = "generic";
+      } else {
+        suffix = _downgradeType;
+      }
+      return _t("operations.downgrade.annotation." + suffix, { n: _affectedFeatureCount });
+    };
+    operation.id = "downgrade";
+    operation.keys = [uiCmd("\u232B")];
+    operation.title = _t.append("operations.downgrade.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/extract.js
+  function operationExtract(context, selectedIDs) {
+    var _amount = selectedIDs.length === 1 ? "single" : "multiple";
+    var _geometries = utilArrayUniq(selectedIDs.map(function(entityID) {
+      return context.graph().hasEntity(entityID) && context.graph().geometry(entityID);
+    }).filter(Boolean));
+    var _geometryID = _geometries.length === 1 ? _geometries[0] : "feature";
+    var _extent;
+    var _actions = selectedIDs.map(function(entityID) {
+      var graph = context.graph();
+      var entity = graph.hasEntity(entityID);
+      if (!entity || !entity.hasInterestingTags())
+        return null;
+      if (entity.type === "node" && graph.parentWays(entity).length === 0)
+        return null;
+      if (entity.type !== "node") {
+        var preset = _mainPresetIndex.match(entity, graph);
+        if (preset.geometry.indexOf("point") === -1)
+          return null;
+      }
+      _extent = _extent ? _extent.extend(entity.extent(graph)) : entity.extent(graph);
+      return actionExtract(entityID, context.projection);
+    }).filter(Boolean);
+    var operation = function() {
+      var combinedAction = function(graph) {
+        _actions.forEach(function(action) {
+          graph = action(graph);
+        });
+        return graph;
+      };
+      context.perform(combinedAction, operation.annotation());
+      var extractedNodeIDs = _actions.map(function(action) {
+        return action.getExtractedNodeID();
+      });
+      context.enter(modeSelect(context, extractedNodeIDs));
+    };
+    operation.available = function() {
+      return _actions.length && selectedIDs.length === _actions.length;
+    };
+    operation.disabled = function() {
+      if (_extent && _extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      } else if (selectedIDs.some(function(entityID) {
+        return context.graph().geometry(entityID) === "vertex" && context.hasHiddenConnections(entityID);
+      })) {
+        return "connected_to_hidden";
+      }
+      return false;
+    };
+    operation.tooltip = function() {
+      var disableReason = operation.disabled();
+      if (disableReason) {
+        return _t.append("operations.extract." + disableReason + "." + _amount);
+      } else {
+        return _t.append("operations.extract.description." + _geometryID + "." + _amount);
+      }
+    };
+    operation.annotation = function() {
+      return _t("operations.extract.annotation", { n: selectedIDs.length });
+    };
+    operation.id = "extract";
+    operation.keys = [_t("operations.extract.key")];
+    operation.title = _t.append("operations.extract.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/merge.js
+  function operationMerge(context, selectedIDs) {
+    var _action = getAction();
+    function getAction() {
+      var join = actionJoin(selectedIDs);
+      if (!join.disabled(context.graph()))
+        return join;
+      var merge2 = actionMerge(selectedIDs);
+      if (!merge2.disabled(context.graph()))
+        return merge2;
+      var mergePolygon = actionMergePolygon(selectedIDs);
+      if (!mergePolygon.disabled(context.graph()))
+        return mergePolygon;
+      var mergeNodes = actionMergeNodes(selectedIDs);
+      if (!mergeNodes.disabled(context.graph()))
+        return mergeNodes;
+      if (join.disabled(context.graph()) !== "not_eligible")
+        return join;
+      if (merge2.disabled(context.graph()) !== "not_eligible")
+        return merge2;
+      if (mergePolygon.disabled(context.graph()) !== "not_eligible")
+        return mergePolygon;
+      return mergeNodes;
+    }
+    var operation = function() {
+      if (operation.disabled())
+        return;
+      context.perform(_action, operation.annotation());
+      context.validator().validate();
+      var resultIDs = selectedIDs.filter(context.hasEntity);
+      if (resultIDs.length > 1) {
+        var interestingIDs = resultIDs.filter(function(id2) {
+          return context.entity(id2).hasInterestingTags();
+        });
+        if (interestingIDs.length)
+          resultIDs = interestingIDs;
+      }
+      context.enter(modeSelect(context, resultIDs));
+    };
+    operation.available = function() {
+      return selectedIDs.length >= 2;
+    };
+    operation.disabled = function() {
+      var actionDisabled = _action.disabled(context.graph());
+      if (actionDisabled)
+        return actionDisabled;
+      var osm = context.connection();
+      if (osm && _action.resultingWayNodesLength && _action.resultingWayNodesLength(context.graph()) > osm.maxWayNodes()) {
+        return "too_many_vertices";
+      }
+      return false;
+    };
+    operation.tooltip = function() {
+      var disabled = operation.disabled();
+      if (disabled) {
+        if (disabled === "conflicting_relations") {
+          return _t.append("operations.merge.conflicting_relations");
+        }
+        if (disabled === "restriction" || disabled === "connectivity") {
+          return _t.append(
+            "operations.merge.damage_relation",
+            { relation: _mainPresetIndex.item("type/" + disabled).name() }
+          );
+        }
+        return _t.append("operations.merge." + disabled);
+      }
+      return _t.append("operations.merge.description");
+    };
+    operation.annotation = function() {
+      return _t("operations.merge.annotation", { n: selectedIDs.length });
+    };
+    operation.id = "merge";
+    operation.keys = [_t("operations.merge.key")];
+    operation.title = _t.append("operations.merge.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/paste.js
+  function operationPaste(context) {
+    var _pastePoint;
+    var operation = function() {
+      if (!_pastePoint)
+        return;
+      var oldIDs = context.copyIDs();
+      if (!oldIDs.length)
+        return;
+      var projection2 = context.projection;
+      var extent = geoExtent();
+      var oldGraph = context.copyGraph();
+      var newIDs = [];
+      var action = actionCopyEntities(oldIDs, oldGraph);
+      context.perform(action);
+      var copies = action.copies();
+      var originals = /* @__PURE__ */ new Set();
+      Object.values(copies).forEach(function(entity) {
+        originals.add(entity.id);
+      });
+      for (var id2 in copies) {
+        var oldEntity = oldGraph.entity(id2);
+        var newEntity = copies[id2];
+        extent._extend(oldEntity.extent(oldGraph));
+        var parents = context.graph().parentWays(newEntity);
+        var parentCopied = parents.some(function(parent) {
+          return originals.has(parent.id);
+        });
+        if (!parentCopied) {
+          newIDs.push(newEntity.id);
+        }
+      }
+      var copyPoint = context.copyLonLat() && projection2(context.copyLonLat()) || projection2(extent.center());
+      var delta = geoVecSubtract(_pastePoint, copyPoint);
+      context.replace(actionMove(newIDs, delta, projection2), operation.annotation());
+      context.enter(modeSelect(context, newIDs));
+    };
+    operation.point = function(val) {
+      _pastePoint = val;
+      return operation;
+    };
+    operation.available = function() {
+      return context.mode().id === "browse";
+    };
+    operation.disabled = function() {
+      return !context.copyIDs().length;
+    };
+    operation.tooltip = function() {
+      var oldGraph = context.copyGraph();
+      var ids = context.copyIDs();
+      if (!ids.length) {
+        return _t.append("operations.paste.nothing_copied");
+      }
+      return _t.append("operations.paste.description", { feature: utilDisplayLabel(oldGraph.entity(ids[0]), oldGraph), n: ids.length });
+    };
+    operation.annotation = function() {
+      var ids = context.copyIDs();
+      return _t("operations.paste.annotation", { n: ids.length });
+    };
+    operation.id = "paste";
+    operation.keys = [uiCmd("\u2318V")];
+    operation.title = _t.append("operations.paste.title");
+    return operation;
+  }
+
+  // modules/operations/reverse.js
+  function operationReverse(context, selectedIDs) {
+    var operation = function() {
+      context.perform(function combinedReverseAction(graph) {
+        actions().forEach(function(action) {
+          graph = action(graph);
+        });
+        return graph;
+      }, operation.annotation());
+      context.validator().validate();
+    };
+    function actions(situation) {
+      return selectedIDs.map(function(entityID) {
+        var entity = context.hasEntity(entityID);
+        if (!entity)
+          return null;
+        if (situation === "toolbar") {
+          if (entity.type === "way" && (!entity.isOneWay() && !entity.isSided()))
+            return null;
+        }
+        var geometry = entity.geometry(context.graph());
+        if (entity.type !== "node" && geometry !== "line")
+          return null;
+        var action = actionReverse(entityID);
+        if (action.disabled(context.graph()))
+          return null;
+        return action;
+      }).filter(Boolean);
+    }
+    function reverseTypeID() {
+      var acts = actions();
+      var nodeActionCount = acts.filter(function(act) {
+        var entity = context.hasEntity(act.entityID());
+        return entity && entity.type === "node";
+      }).length;
+      if (nodeActionCount === 0)
+        return "line";
+      if (nodeActionCount === acts.length)
+        return "point";
+      return "feature";
+    }
+    operation.available = function(situation) {
+      return actions(situation).length > 0;
+    };
+    operation.disabled = function() {
+      return false;
+    };
+    operation.tooltip = function() {
+      return _t.append("operations.reverse.description." + reverseTypeID());
+    };
+    operation.annotation = function() {
+      var acts = actions();
+      return _t("operations.reverse.annotation." + reverseTypeID(), { n: acts.length });
+    };
+    operation.id = "reverse";
+    operation.keys = [_t("operations.reverse.key")];
+    operation.title = _t.append("operations.reverse.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/split.js
+  function operationSplit(context, selectedIDs) {
+    var _vertexIds = selectedIDs.filter(function(id2) {
+      return context.graph().geometry(id2) === "vertex";
+    });
+    var _selectedWayIds = selectedIDs.filter(function(id2) {
+      var entity = context.graph().hasEntity(id2);
+      return entity && entity.type === "way";
+    });
+    var _isAvailable = _vertexIds.length > 0 && _vertexIds.length + _selectedWayIds.length === selectedIDs.length;
+    var _action = actionSplit(_vertexIds);
+    var _ways = [];
+    var _geometry = "feature";
+    var _waysAmount = "single";
+    var _nodesAmount = _vertexIds.length === 1 ? "single" : "multiple";
+    if (_isAvailable) {
+      if (_selectedWayIds.length)
+        _action.limitWays(_selectedWayIds);
+      _ways = _action.ways(context.graph());
+      var geometries = {};
+      _ways.forEach(function(way) {
+        geometries[way.geometry(context.graph())] = true;
+      });
+      if (Object.keys(geometries).length === 1) {
+        _geometry = Object.keys(geometries)[0];
+      }
+      _waysAmount = _ways.length === 1 ? "single" : "multiple";
+    }
+    var operation = function() {
+      var difference = context.perform(_action, operation.annotation());
+      var idsToSelect = _vertexIds.concat(difference.extantIDs().filter(function(id2) {
+        return context.entity(id2).type === "way";
+      }));
+      context.enter(modeSelect(context, idsToSelect));
+    };
+    operation.relatedEntityIds = function() {
+      return _selectedWayIds.length ? [] : _ways.map((way) => way.id);
+    };
+    operation.available = function() {
+      return _isAvailable;
+    };
+    operation.disabled = function() {
+      var reason = _action.disabled(context.graph());
+      if (reason) {
+        return reason;
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      }
+      return false;
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.split." + disable) : _t.append("operations.split.description." + _geometry + "." + _waysAmount + "." + _nodesAmount + "_node");
+    };
+    operation.annotation = function() {
+      return _t("operations.split.annotation." + _geometry, { n: _ways.length });
+    };
+    operation.icon = function() {
+      if (_waysAmount === "multiple") {
+        return "#iD-operation-split-multiple";
+      } else {
+        return "#iD-operation-split";
+      }
+    };
+    operation.id = "split";
+    operation.keys = [_t("operations.split.key")];
+    operation.title = _t.append("operations.split.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/operations/straighten.js
+  function operationStraighten(context, selectedIDs) {
+    var _wayIDs = selectedIDs.filter(function(id2) {
+      return id2.charAt(0) === "w";
+    });
+    var _nodeIDs = selectedIDs.filter(function(id2) {
+      return id2.charAt(0) === "n";
+    });
+    var _amount = (_wayIDs.length ? _wayIDs : _nodeIDs).length === 1 ? "single" : "multiple";
+    var _nodes = utilGetAllNodes(selectedIDs, context.graph());
+    var _coords = _nodes.map(function(n2) {
+      return n2.loc;
+    });
+    var _extent = utilTotalExtent(selectedIDs, context.graph());
+    var _action = chooseAction();
+    var _geometry;
+    function chooseAction() {
+      if (_wayIDs.length === 0 && _nodeIDs.length > 2) {
+        _geometry = "point";
+        return actionStraightenNodes(_nodeIDs, context.projection);
+      } else if (_wayIDs.length > 0 && (_nodeIDs.length === 0 || _nodeIDs.length === 2)) {
+        var startNodeIDs = [];
+        var endNodeIDs = [];
+        for (var i2 = 0; i2 < selectedIDs.length; i2++) {
+          var entity = context.entity(selectedIDs[i2]);
+          if (entity.type === "node") {
+            continue;
+          } else if (entity.type !== "way" || entity.isClosed()) {
+            return null;
+          }
+          startNodeIDs.push(entity.first());
+          endNodeIDs.push(entity.last());
+        }
+        startNodeIDs = startNodeIDs.filter(function(n2) {
+          return startNodeIDs.indexOf(n2) === startNodeIDs.lastIndexOf(n2);
+        });
+        endNodeIDs = endNodeIDs.filter(function(n2) {
+          return endNodeIDs.indexOf(n2) === endNodeIDs.lastIndexOf(n2);
+        });
+        if (utilArrayDifference(startNodeIDs, endNodeIDs).length + utilArrayDifference(endNodeIDs, startNodeIDs).length !== 2)
+          return null;
+        var wayNodeIDs = utilGetAllNodes(_wayIDs, context.graph()).map(function(node) {
+          return node.id;
+        });
+        if (wayNodeIDs.length <= 2)
+          return null;
+        if (_nodeIDs.length === 2 && (wayNodeIDs.indexOf(_nodeIDs[0]) === -1 || wayNodeIDs.indexOf(_nodeIDs[1]) === -1))
+          return null;
+        if (_nodeIDs.length) {
+          _extent = utilTotalExtent(_nodeIDs, context.graph());
+        }
+        _geometry = "line";
+        return actionStraightenWay(selectedIDs, context.projection);
+      }
+      return null;
+    }
+    function operation() {
+      if (!_action)
+        return;
+      context.perform(_action, operation.annotation());
+      window.setTimeout(function() {
+        context.validator().validate();
+      }, 300);
+    }
+    operation.available = function() {
+      return Boolean(_action);
+    };
+    operation.disabled = function() {
+      var reason = _action.disabled(context.graph());
+      if (reason) {
+        return reason;
+      } else if (_extent.percentContainedIn(context.map().extent()) < 0.8) {
+        return "too_large";
+      } else if (someMissing()) {
+        return "not_downloaded";
+      } else if (selectedIDs.some(context.hasHiddenConnections)) {
+        return "connected_to_hidden";
+      }
+      return false;
+      function someMissing() {
+        if (context.inIntro())
+          return false;
+        var osm = context.connection();
+        if (osm) {
+          var missing = _coords.filter(function(loc) {
+            return !osm.isDataLoaded(loc);
+          });
+          if (missing.length) {
+            missing.forEach(function(loc) {
+              context.loadTileAtLoc(loc);
+            });
+            return true;
+          }
+        }
+        return false;
+      }
+    };
+    operation.tooltip = function() {
+      var disable = operation.disabled();
+      return disable ? _t.append("operations.straighten." + disable + "." + _amount) : _t.append("operations.straighten.description." + _geometry + (_wayIDs.length === 1 ? "" : "s"));
+    };
+    operation.annotation = function() {
+      return _t("operations.straighten.annotation." + _geometry, { n: _wayIDs.length ? _wayIDs.length : _nodeIDs.length });
+    };
+    operation.id = "straighten";
+    operation.keys = [_t("operations.straighten.key")];
+    operation.title = _t.append("operations.straighten.title");
+    operation.behavior = behaviorOperation(context).which(operation);
+    return operation;
+  }
+
+  // modules/modes/select.js
+  function modeSelect(context, selectedIDs) {
+    var mode = {
+      id: "select",
+      button: "browse"
+    };
+    var keybinding = utilKeybinding("select");
+    var _breatheBehavior = behaviorBreathe(context);
+    var _modeDragNode = modeDragNode(context);
+    var _selectBehavior;
+    var _behaviors = [];
+    var _operations = [];
+    var _newFeature = false;
+    var _follow = false;
+    var _focusedParentWayId;
+    var _focusedVertexIds;
+    function singular() {
+      if (selectedIDs && selectedIDs.length === 1) {
+        return context.hasEntity(selectedIDs[0]);
+      }
+    }
+    function selectedEntities() {
+      return selectedIDs.map(function(id2) {
+        return context.hasEntity(id2);
+      }).filter(Boolean);
+    }
+    function checkSelectedIDs() {
+      var ids = [];
+      if (Array.isArray(selectedIDs)) {
+        ids = selectedIDs.filter(function(id2) {
+          return context.hasEntity(id2);
+        });
+      }
+      if (!ids.length) {
+        context.enter(modeBrowse(context));
+        return false;
+      } else if (selectedIDs.length > 1 && ids.length === 1 || selectedIDs.length === 1 && ids.length > 1) {
+        context.enter(modeSelect(context, ids));
+        return false;
+      }
+      selectedIDs = ids;
+      return true;
+    }
+    function parentWaysIdsOfSelection(onlyCommonParents) {
+      var graph = context.graph();
+      var parents = [];
+      for (var i2 = 0; i2 < selectedIDs.length; i2++) {
+        var entity = context.hasEntity(selectedIDs[i2]);
+        if (!entity || entity.geometry(graph) !== "vertex") {
+          return [];
+        }
+        var currParents = graph.parentWays(entity).map(function(w) {
+          return w.id;
+        });
+        if (!parents.length) {
+          parents = currParents;
+          continue;
+        }
+        parents = (onlyCommonParents ? utilArrayIntersection : utilArrayUnion)(parents, currParents);
+        if (!parents.length) {
+          return [];
+        }
+      }
+      return parents;
+    }
+    function childNodeIdsOfSelection(onlyCommon) {
+      var graph = context.graph();
+      var childs = [];
+      for (var i2 = 0; i2 < selectedIDs.length; i2++) {
+        var entity = context.hasEntity(selectedIDs[i2]);
+        if (!entity || !["area", "line"].includes(entity.geometry(graph))) {
+          return [];
+        }
+        var currChilds = graph.childNodes(entity).map(function(node) {
+          return node.id;
+        });
+        if (!childs.length) {
+          childs = currChilds;
+          continue;
+        }
+        childs = (onlyCommon ? utilArrayIntersection : utilArrayUnion)(childs, currChilds);
+        if (!childs.length) {
+          return [];
+        }
+      }
+      return childs;
+    }
+    function checkFocusedParent() {
+      if (_focusedParentWayId) {
+        var parents = parentWaysIdsOfSelection(true);
+        if (parents.indexOf(_focusedParentWayId) === -1)
+          _focusedParentWayId = null;
+      }
+    }
+    function parentWayIdForVertexNavigation() {
+      var parentIds = parentWaysIdsOfSelection(true);
+      if (_focusedParentWayId && parentIds.indexOf(_focusedParentWayId) !== -1) {
+        return _focusedParentWayId;
+      }
+      return parentIds.length ? parentIds[0] : null;
+    }
+    mode.selectedIDs = function(val) {
+      if (!arguments.length)
+        return selectedIDs;
+      selectedIDs = val;
+      return mode;
+    };
+    mode.zoomToSelected = function() {
+      context.map().zoomToEase(selectedEntities());
+    };
+    mode.newFeature = function(val) {
+      if (!arguments.length)
+        return _newFeature;
+      _newFeature = val;
+      return mode;
+    };
+    mode.selectBehavior = function(val) {
+      if (!arguments.length)
+        return _selectBehavior;
+      _selectBehavior = val;
+      return mode;
+    };
+    mode.follow = function(val) {
+      if (!arguments.length)
+        return _follow;
+      _follow = val;
+      return mode;
+    };
+    function loadOperations() {
+      _operations.forEach(function(operation) {
+        if (operation.behavior) {
+          context.uninstall(operation.behavior);
+        }
+      });
+      _operations = Object.values(operations_exports).map(function(o) {
+        return o(context, selectedIDs);
+      }).filter(function(o) {
+        return o.id !== "delete" && o.id !== "downgrade" && o.id !== "copy";
+      }).concat([
+        // group copy/downgrade/delete operation together at the end of the list
+        operationCopy(context, selectedIDs),
+        operationDowngrade(context, selectedIDs),
+        operationDelete(context, selectedIDs)
+      ]).filter(function(operation) {
+        return operation.available();
+      });
+      _operations.forEach(function(operation) {
+        if (operation.behavior) {
+          context.install(operation.behavior);
+        }
+      });
+      context.ui().closeEditMenu();
+    }
+    mode.operations = function() {
+      return _operations;
+    };
+    mode.enter = function() {
+      if (!checkSelectedIDs())
+        return;
+      context.features().forceVisible(selectedIDs);
+      _modeDragNode.restoreSelectedIDs(selectedIDs);
+      loadOperations();
+      if (!_behaviors.length) {
+        if (!_selectBehavior)
+          _selectBehavior = behaviorSelect(context);
+        _behaviors = [
+          behaviorPaste(context),
+          _breatheBehavior,
+          behaviorHover(context).on("hover", context.ui().sidebar.hoverModeSelect),
+          _selectBehavior,
+          behaviorLasso(context),
+          _modeDragNode.behavior,
+          modeDragNote(context).behavior
+        ];
+      }
+      _behaviors.forEach(context.install);
+      keybinding.on(_t("inspector.zoom_to.key"), mode.zoomToSelected).on(["[", "pgup"], previousVertex).on(["]", "pgdown"], nextVertex).on(["{", uiCmd("\u2318["), "home"], firstVertex).on(["}", uiCmd("\u2318]"), "end"], lastVertex).on(uiCmd("\u21E7\u2190"), nudgeSelection([-10, 0])).on(uiCmd("\u21E7\u2191"), nudgeSelection([0, -10])).on(uiCmd("\u21E7\u2192"), nudgeSelection([10, 0])).on(uiCmd("\u21E7\u2193"), nudgeSelection([0, 10])).on(uiCmd("\u21E7\u2325\u2190"), nudgeSelection([-100, 0])).on(uiCmd("\u21E7\u2325\u2191"), nudgeSelection([0, -100])).on(uiCmd("\u21E7\u2325\u2192"), nudgeSelection([100, 0])).on(uiCmd("\u21E7\u2325\u2193"), nudgeSelection([0, 100])).on(utilKeybinding.plusKeys.map((key) => uiCmd("\u21E7" + key)), scaleSelection(1.05)).on(utilKeybinding.plusKeys.map((key) => uiCmd("\u21E7\u2325" + key)), scaleSelection(Math.pow(1.05, 5))).on(utilKeybinding.minusKeys.map((key) => uiCmd("\u21E7" + key)), scaleSelection(1 / 1.05)).on(utilKeybinding.minusKeys.map((key) => uiCmd("\u21E7\u2325" + key)), scaleSelection(1 / Math.pow(1.05, 5))).on(["\\", "pause"], focusNextParent).on(uiCmd("\u2318\u2191"), selectParent).on(uiCmd("\u2318\u2193"), selectChild).on("\u238B", esc, true);
+      select_default2(document).call(keybinding);
+      context.ui().sidebar.select(selectedIDs, _newFeature);
+      context.history().on("change.select", function() {
+        loadOperations();
+        selectElements();
+      }).on("undone.select", checkSelectedIDs).on("redone.select", checkSelectedIDs);
+      context.map().on("drawn.select", selectElements).on("crossEditableZoom.select", function() {
+        selectElements();
+        _breatheBehavior.restartIfNeeded(context.surface());
+      });
+      context.map().doubleUpHandler().on("doubleUp.modeSelect", didDoubleUp);
+      selectElements();
+      if (_follow) {
+        var extent = geoExtent();
+        var graph = context.graph();
+        selectedIDs.forEach(function(id2) {
+          var entity = context.entity(id2);
+          extent._extend(entity.extent(graph));
+        });
+        var loc = extent.center();
+        context.map().centerEase(loc);
+        _follow = false;
+      }
+      function nudgeSelection(delta) {
+        return function() {
+          if (!context.map().withinEditableZoom())
+            return;
+          var moveOp = operationMove(context, selectedIDs);
+          if (moveOp.disabled()) {
+            context.ui().flash.duration(4e3).iconName("#iD-operation-" + moveOp.id).iconClass("operation disabled").label(moveOp.tooltip())();
+          } else {
+            context.perform(actionMove(selectedIDs, delta, context.projection), moveOp.annotation());
+            context.validator().validate();
+          }
+        };
+      }
+      function scaleSelection(factor) {
+        return function() {
+          if (!context.map().withinEditableZoom())
+            return;
+          let nodes = utilGetAllNodes(selectedIDs, context.graph());
+          let isUp = factor > 1;
+          if (nodes.length <= 1)
+            return;
+          let extent2 = utilTotalExtent(selectedIDs, context.graph());
+          function scalingDisabled() {
+            if (tooSmall()) {
+              return "too_small";
+            } else if (extent2.percentContainedIn(context.map().extent()) < 0.8) {
+              return "too_large";
+            } else if (someMissing() || selectedIDs.some(incompleteRelation)) {
+              return "not_downloaded";
+            } else if (selectedIDs.some(context.hasHiddenConnections)) {
+              return "connected_to_hidden";
+            }
+            return false;
+            function tooSmall() {
+              if (isUp)
+                return false;
+              let dLon = Math.abs(extent2[1][0] - extent2[0][0]);
+              let dLat = Math.abs(extent2[1][1] - extent2[0][1]);
+              return dLon < geoMetersToLon(1, extent2[1][1]) && dLat < geoMetersToLat(1);
+            }
+            function someMissing() {
+              if (context.inIntro())
+                return false;
+              let osm = context.connection();
+              if (osm) {
+                let missing = nodes.filter(function(n2) {
+                  return !osm.isDataLoaded(n2.loc);
+                });
+                if (missing.length) {
+                  missing.forEach(function(loc2) {
+                    context.loadTileAtLoc(loc2);
+                  });
+                  return true;
+                }
+              }
+              return false;
+            }
+            function incompleteRelation(id2) {
+              let entity = context.entity(id2);
+              return entity.type === "relation" && !entity.isComplete(context.graph());
+            }
+          }
+          const disabled = scalingDisabled();
+          if (disabled) {
+            let multi = selectedIDs.length === 1 ? "single" : "multiple";
+            context.ui().flash.duration(4e3).iconName("#iD-icon-no").iconClass("operation disabled").label(_t.append("operations.scale." + disabled + "." + multi))();
+          } else {
+            const pivot = context.projection(extent2.center());
+            const annotation = _t("operations.scale.annotation." + (isUp ? "up" : "down") + ".feature", { n: selectedIDs.length });
+            context.perform(actionScale(selectedIDs, pivot, factor, context.projection), annotation);
+            context.validator().validate();
+          }
+        };
+      }
+      function didDoubleUp(d3_event, loc2) {
+        if (!context.map().withinEditableZoom())
+          return;
+        var target = select_default2(d3_event.target);
+        var datum2 = target.datum();
+        var entity = datum2 && datum2.properties && datum2.properties.entity;
+        if (!entity)
+          return;
+        if (entity instanceof osmWay && target.classed("target")) {
+          var choice = geoChooseEdge(context.graph().childNodes(entity), loc2, context.projection);
+          var prev = entity.nodes[choice.index - 1];
+          var next = entity.nodes[choice.index];
+          context.perform(
+            actionAddMidpoint({ loc: choice.loc, edge: [prev, next] }, osmNode()),
+            _t("operations.add.annotation.vertex")
+          );
+          context.validator().validate();
+        } else if (entity.type === "midpoint") {
+          context.perform(
+            actionAddMidpoint({ loc: entity.loc, edge: entity.edge }, osmNode()),
+            _t("operations.add.annotation.vertex")
+          );
+          context.validator().validate();
+        }
+      }
+      function selectElements() {
+        if (!checkSelectedIDs())
+          return;
+        var surface = context.surface();
+        surface.selectAll(".selected-member").classed("selected-member", false);
+        surface.selectAll(".selected").classed("selected", false);
+        surface.selectAll(".related").classed("related", false);
+        checkFocusedParent();
+        if (_focusedParentWayId) {
+          surface.selectAll(utilEntitySelector([_focusedParentWayId])).classed("related", true);
+        }
+        if (context.map().withinEditableZoom()) {
+          surface.selectAll(utilDeepMemberSelector(
+            selectedIDs,
+            context.graph(),
+            true
+            /* skipMultipolgonMembers */
+          )).classed("selected-member", true);
+          surface.selectAll(utilEntityOrDeepMemberSelector(selectedIDs, context.graph())).classed("selected", true);
+        }
+      }
+      function esc() {
+        if (context.container().select(".combobox").size())
+          return;
+        context.enter(modeBrowse(context));
+      }
+      function firstVertex(d3_event) {
+        d3_event.preventDefault();
+        var entity = singular();
+        var parentId = parentWayIdForVertexNavigation();
+        var way;
+        if (entity && entity.type === "way") {
+          way = entity;
+        } else if (parentId) {
+          way = context.entity(parentId);
+        }
+        _focusedParentWayId = way && way.id;
+        if (way) {
+          context.enter(
+            mode.selectedIDs([way.first()]).follow(true)
+          );
+        }
+      }
+      function lastVertex(d3_event) {
+        d3_event.preventDefault();
+        var entity = singular();
+        var parentId = parentWayIdForVertexNavigation();
+        var way;
+        if (entity && entity.type === "way") {
+          way = entity;
+        } else if (parentId) {
+          way = context.entity(parentId);
+        }
+        _focusedParentWayId = way && way.id;
+        if (way) {
+          context.enter(
+            mode.selectedIDs([way.last()]).follow(true)
+          );
+        }
+      }
+      function previousVertex(d3_event) {
+        d3_event.preventDefault();
+        var parentId = parentWayIdForVertexNavigation();
+        _focusedParentWayId = parentId;
+        if (!parentId)
+          return;
+        var way = context.entity(parentId);
+        var length = way.nodes.length;
+        var curr = way.nodes.indexOf(selectedIDs[0]);
+        var index = -1;
+        if (curr > 0) {
+          index = curr - 1;
+        } else if (way.isClosed()) {
+          index = length - 2;
+        }
+        if (index !== -1) {
+          context.enter(
+            mode.selectedIDs([way.nodes[index]]).follow(true)
+          );
+        }
+      }
+      function nextVertex(d3_event) {
+        d3_event.preventDefault();
+        var parentId = parentWayIdForVertexNavigation();
+        _focusedParentWayId = parentId;
+        if (!parentId)
+          return;
+        var way = context.entity(parentId);
+        var length = way.nodes.length;
+        var curr = way.nodes.indexOf(selectedIDs[0]);
+        var index = -1;
+        if (curr < length - 1) {
+          index = curr + 1;
+        } else if (way.isClosed()) {
+          index = 0;
+        }
+        if (index !== -1) {
+          context.enter(
+            mode.selectedIDs([way.nodes[index]]).follow(true)
+          );
+        }
+      }
+      function focusNextParent(d3_event) {
+        d3_event.preventDefault();
+        var parents = parentWaysIdsOfSelection(true);
+        if (!parents || parents.length < 2)
+          return;
+        var index = parents.indexOf(_focusedParentWayId);
+        if (index < 0 || index > parents.length - 2) {
+          _focusedParentWayId = parents[0];
+        } else {
+          _focusedParentWayId = parents[index + 1];
+        }
+        var surface = context.surface();
+        surface.selectAll(".related").classed("related", false);
+        if (_focusedParentWayId) {
+          surface.selectAll(utilEntitySelector([_focusedParentWayId])).classed("related", true);
+        }
+      }
+      function selectParent(d3_event) {
+        d3_event.preventDefault();
+        var currentSelectedIds = mode.selectedIDs();
+        var parentIds = _focusedParentWayId ? [_focusedParentWayId] : parentWaysIdsOfSelection(false);
+        if (!parentIds.length)
+          return;
+        context.enter(
+          mode.selectedIDs(parentIds)
+        );
+        _focusedVertexIds = currentSelectedIds;
+      }
+      function selectChild(d3_event) {
+        d3_event.preventDefault();
+        var currentSelectedIds = mode.selectedIDs();
+        var childIds = _focusedVertexIds ? _focusedVertexIds.filter((id2) => context.hasEntity(id2)) : childNodeIdsOfSelection(true);
+        if (!childIds || !childIds.length)
+          return;
+        if (currentSelectedIds.length === 1)
+          _focusedParentWayId = currentSelectedIds[0];
+        context.enter(
+          mode.selectedIDs(childIds)
+        );
+      }
+    };
+    mode.exit = function() {
+      _newFeature = false;
+      _focusedVertexIds = null;
+      _operations.forEach(function(operation) {
+        if (operation.behavior) {
+          context.uninstall(operation.behavior);
+        }
+      });
+      _operations = [];
+      _behaviors.forEach(context.uninstall);
+      select_default2(document).call(keybinding.unbind);
+      context.ui().closeEditMenu();
+      context.history().on("change.select", null).on("undone.select", null).on("redone.select", null);
+      var surface = context.surface();
+      surface.selectAll(".selected-member").classed("selected-member", false);
+      surface.selectAll(".selected").classed("selected", false);
+      surface.selectAll(".highlighted").classed("highlighted", false);
+      surface.selectAll(".related").classed("related", false);
+      context.map().on("drawn.select", null);
+      context.ui().sidebar.hide();
+      context.features().forceVisible([]);
+      var entity = singular();
+      if (_newFeature && entity && entity.type === "relation" && // no tags
+      Object.keys(entity.tags).length === 0 && // no parent relations
+      context.graph().parentRelations(entity).length === 0 && // no members or one member with no role
+      (entity.members.length === 0 || entity.members.length === 1 && !entity.members[0].role)) {
+        var deleteAction = actionDeleteRelation(
+          entity.id,
+          true
+          /* don't delete untagged members */
+        );
+        context.perform(deleteAction, _t("operations.delete.annotation.relation"));
+        context.validator().validate();
+      }
+    };
+    return mode;
+  }
+
+  // modules/behavior/lasso.js
+  function behaviorLasso(context) {
+    var _pointerPrefix = "PointerEvent" in window ? "pointer" : "mouse";
+    var behavior = function(selection2) {
+      var lasso;
+      function pointerdown(d3_event) {
+        var button = 0;
+        if (d3_event.button === button && d3_event.shiftKey === true) {
+          lasso = null;
+          select_default2(window).on(_pointerPrefix + "move.lasso", pointermove).on(_pointerPrefix + "up.lasso", pointerup);
+          d3_event.stopPropagation();
+        }
+      }
+      function pointermove() {
+        if (!lasso) {
+          lasso = uiLasso(context);
+          context.surface().call(lasso);
+        }
+        lasso.p(context.map().mouse());
+      }
+      function normalize2(a, b) {
+        return [
+          [Math.min(a[0], b[0]), Math.min(a[1], b[1])],
+          [Math.max(a[0], b[0]), Math.max(a[1], b[1])]
+        ];
+      }
+      function lassoed() {
+        if (!lasso)
+          return [];
+        var graph = context.graph();
+        var limitToNodes;
+        if (context.map().editableDataEnabled(
+          true
+          /* skipZoomCheck */
+        ) && context.map().isInWideSelection()) {
+          limitToNodes = new Set(utilGetAllNodes(context.selectedIDs(), graph));
+        } else if (!context.map().editableDataEnabled()) {
+          return [];
+        }
+        var bounds = lasso.extent().map(context.projection.invert);
+        var extent = geoExtent(normalize2(bounds[0], bounds[1]));
+        var intersects = context.history().intersects(extent).filter(function(entity) {
+          return entity.type === "node" && (!limitToNodes || limitToNodes.has(entity)) && geoPointInPolygon(context.projection(entity.loc), lasso.coordinates) && !context.features().isHidden(entity, graph, entity.geometry(graph));
+        });
+        intersects.sort(function(node1, node2) {
+          var parents1 = graph.parentWays(node1);
+          var parents2 = graph.parentWays(node2);
+          if (parents1.length && parents2.length) {
+            var sharedParents = utilArrayIntersection(parents1, parents2);
+            if (sharedParents.length) {
+              var sharedParentNodes = sharedParents[0].nodes;
+              return sharedParentNodes.indexOf(node1.id) - sharedParentNodes.indexOf(node2.id);
+            } else {
+              return Number(parents1[0].id.slice(1)) - Number(parents2[0].id.slice(1));
+            }
+          } else if (parents1.length || parents2.length) {
+            return parents1.length - parents2.length;
+          }
+          return node1.loc[0] - node2.loc[0];
+        });
+        return intersects.map(function(entity) {
+          return entity.id;
+        });
+      }
+      function pointerup() {
+        select_default2(window).on(_pointerPrefix + "move.lasso", null).on(_pointerPrefix + "up.lasso", null);
+        if (!lasso)
+          return;
+        var ids = lassoed();
+        lasso.close();
+        if (ids.length) {
+          context.enter(modeSelect(context, ids));
+        }
+      }
+      selection2.on(_pointerPrefix + "down.lasso", pointerdown);
+    };
+    behavior.off = function(selection2) {
+      selection2.on(_pointerPrefix + "down.lasso", null);
+    };
+    return behavior;
+  }
+
+  // modules/modes/browse.js
+  function modeBrowse(context) {
+    var mode = {
+      button: "browse",
+      id: "browse",
+      title: _t.append("modes.browse.title"),
+      description: _t.append("modes.browse.description")
+    };
+    var sidebar;
+    var _selectBehavior;
+    var _behaviors = [];
+    mode.selectBehavior = function(val) {
+      if (!arguments.length)
+        return _selectBehavior;
+      _selectBehavior = val;
+      return mode;
+    };
+    mode.enter = function() {
+      if (!_behaviors.length) {
+        if (!_selectBehavior)
+          _selectBehavior = behaviorSelect(context);
+        _behaviors = [
+          behaviorPaste(context),
+          behaviorHover(context).on("hover", context.ui().sidebar.hover),
+          _selectBehavior,
+          behaviorLasso(context),
+          modeDragNode(context).behavior,
+          modeDragNote(context).behavior
+        ];
+      }
+      _behaviors.forEach(context.install);
+      if (document.activeElement && document.activeElement.blur) {
+        document.activeElement.blur();
+      }
+      if (sidebar) {
+        context.ui().sidebar.show(sidebar);
+      } else {
+        context.ui().sidebar.select(null);
+      }
+    };
+    mode.exit = function() {
+      context.ui().sidebar.hover.cancel();
+      _behaviors.forEach(context.uninstall);
+      if (sidebar) {
+        context.ui().sidebar.hide();
+      }
+    };
+    mode.sidebar = function(_) {
+      if (!arguments.length)
+        return sidebar;
+      sidebar = _;
+      return mode;
+    };
+    mode.operations = function() {
+      return [operationPaste(context)];
+    };
+    return mode;
+  }
+
+  // modules/behavior/add_way.js
+  function behaviorAddWay(context) {
+    var dispatch10 = dispatch_default("start", "startFromWay", "startFromNode");
+    var draw = behaviorDraw(context);
+    function behavior(surface) {
+      draw.on("click", function() {
+        dispatch10.apply("start", this, arguments);
+      }).on("clickWay", function() {
+        dispatch10.apply("startFromWay", this, arguments);
+      }).on("clickNode", function() {
+        dispatch10.apply("startFromNode", this, arguments);
+      }).on("cancel", behavior.cancel).on("finish", behavior.cancel);
+      context.map().dblclickZoomEnable(false);
+      surface.call(draw);
+    }
+    behavior.off = function(surface) {
+      surface.call(draw.off);
+    };
+    behavior.cancel = function() {
+      window.setTimeout(function() {
+        context.map().dblclickZoomEnable(true);
+      }, 1e3);
+      context.enter(modeBrowse(context));
+    };
+    return utilRebind(behavior, dispatch10, "on");
+  }
+
+  // modules/behavior/hash.js
+  function behaviorHash(context) {
+    var _cachedHash = null;
+    var _latitudeLimit = 90 - 1e-8;
+    function computedHashParameters() {
+      var map2 = context.map();
+      var center = map2.center();
+      var zoom = map2.zoom();
+      var precision2 = Math.max(0, Math.ceil(Math.log(zoom) / Math.LN2));
+      var oldParams = utilObjectOmit(
+        utilStringQs(window.location.hash),
+        ["comment", "source", "hashtags", "walkthrough"]
+      );
+      var newParams = {};
+      delete oldParams.id;
+      var selected = context.selectedIDs().filter(function(id2) {
+        return context.hasEntity(id2);
+      });
+      if (selected.length) {
+        newParams.id = selected.join(",");
+      }
+      newParams.map = zoom.toFixed(2) + "/" + center[1].toFixed(precision2) + "/" + center[0].toFixed(precision2);
+      return Object.assign(oldParams, newParams);
+    }
+    function computedHash() {
+      return "#" + utilQsString(computedHashParameters(), true);
+    }
+    function computedTitle(includeChangeCount) {
+      var baseTitle = context.documentTitleBase() || "iD";
+      var contextual;
+      var changeCount;
+      var titleID;
+      var selected = context.selectedIDs().filter(function(id2) {
+        return context.hasEntity(id2);
+      });
+      if (selected.length) {
+        var firstLabel = utilDisplayLabel(context.entity(selected[0]), context.graph());
+        if (selected.length > 1) {
+          contextual = _t("title.labeled_and_more", {
+            labeled: firstLabel,
+            count: selected.length - 1
+          });
+        } else {
+          contextual = firstLabel;
+        }
+        titleID = "context";
+      }
+      if (includeChangeCount) {
+        changeCount = context.history().difference().summary().length;
+        if (changeCount > 0) {
+          titleID = contextual ? "changes_context" : "changes";
+        }
+      }
+      if (titleID) {
+        return _t("title.format." + titleID, {
+          changes: changeCount,
+          base: baseTitle,
+          context: contextual
+        });
+      }
+      return baseTitle;
+    }
+    function updateTitle(includeChangeCount) {
+      if (!context.setsDocumentTitle())
+        return;
+      var newTitle = computedTitle(includeChangeCount);
+      if (document.title !== newTitle) {
+        document.title = newTitle;
+      }
+    }
+    function updateHashIfNeeded() {
+      if (context.inIntro())
+        return;
+      var latestHash = computedHash();
+      if (_cachedHash !== latestHash) {
+        _cachedHash = latestHash;
+        window.history.replaceState(null, computedTitle(
+          false
+          /* includeChangeCount */
+        ), latestHash);
+        updateTitle(
+          true
+          /* includeChangeCount */
+        );
+        const q = utilStringQs(latestHash);
+        if (q.map) {
+          corePreferences("map-location", q.map);
+        }
+      }
+    }
+    var _throttledUpdate = throttle_default(updateHashIfNeeded, 500);
+    var _throttledUpdateTitle = throttle_default(function() {
+      updateTitle(
+        true
+        /* includeChangeCount */
+      );
+    }, 500);
+    function hashchange() {
+      if (window.location.hash === _cachedHash)
+        return;
+      _cachedHash = window.location.hash;
+      var q = utilStringQs(_cachedHash);
+      var mapArgs = (q.map || "").split("/").map(Number);
+      if (mapArgs.length < 3 || mapArgs.some(isNaN)) {
+        updateHashIfNeeded();
+      } else {
+        if (_cachedHash === computedHash())
+          return;
+        var mode = context.mode();
+        context.map().centerZoom([mapArgs[2], Math.min(_latitudeLimit, Math.max(-_latitudeLimit, mapArgs[1]))], mapArgs[0]);
+        if (q.id && mode) {
+          var ids = q.id.split(",").filter(function(id2) {
+            return context.hasEntity(id2);
+          });
+          if (ids.length && (mode.id === "browse" || mode.id === "select" && !utilArrayIdentical(mode.selectedIDs(), ids))) {
+            context.enter(modeSelect(context, ids));
+            return;
+          }
+        }
+        var center = context.map().center();
+        var dist = geoSphericalDistance(center, [mapArgs[2], mapArgs[1]]);
+        var maxdist = 500;
+        if (mode && mode.id.match(/^draw/) !== null && dist > maxdist) {
+          context.enter(modeBrowse(context));
+          return;
+        }
+      }
+    }
+    function behavior() {
+      context.map().on("move.behaviorHash", _throttledUpdate);
+      context.history().on("change.behaviorHash", _throttledUpdateTitle);
+      context.on("enter.behaviorHash", _throttledUpdate);
+      select_default2(window).on("hashchange.behaviorHash", hashchange);
+      var q = utilStringQs(window.location.hash);
+      if (q.id) {
+        context.zoomToEntity(q.id.split(",")[0], !q.map);
+      }
+      if (q.walkthrough === "true") {
+        behavior.startWalkthrough = true;
+      }
+      if (q.map) {
+        behavior.hadLocation = true;
+      } else if (!q.id && corePreferences("map-location")) {
+        const mapArgs = corePreferences("map-location").split("/").map(Number);
+        context.map().centerZoom([mapArgs[2], Math.min(_latitudeLimit, Math.max(-_latitudeLimit, mapArgs[1]))], mapArgs[0]);
+        updateHashIfNeeded();
+        behavior.hadLocation = true;
+      }
+      hashchange();
+      updateTitle(false);
+    }
+    behavior.off = function() {
+      _throttledUpdate.cancel();
+      _throttledUpdateTitle.cancel();
+      context.map().on("move.behaviorHash", null);
+      context.on("enter.behaviorHash", null);
+      select_default2(window).on("hashchange.behaviorHash", null);
+      window.location.hash = "";
+    };
+    return behavior;
+  }
+
+  // node_modules/d3-brush/src/brush.js
+  var { abs: abs2, max: max2, min: min2 } = Math;
+  function number1(e) {
+    return [+e[0], +e[1]];
+  }
+  function number22(e) {
+    return [number1(e[0]), number1(e[1])];
+  }
+  var X = {
+    name: "x",
+    handles: ["w", "e"].map(type),
+    input: function(x, e) {
+      return x == null ? null : [[+x[0], e[0][1]], [+x[1], e[1][1]]];
+    },
+    output: function(xy) {
+      return xy && [xy[0][0], xy[1][0]];
+    }
+  };
+  var Y = {
+    name: "y",
+    handles: ["n", "s"].map(type),
+    input: function(y, e) {
+      return y == null ? null : [[e[0][0], +y[0]], [e[1][0], +y[1]]];
+    },
+    output: function(xy) {
+      return xy && [xy[0][1], xy[1][1]];
+    }
+  };
+  var XY = {
+    name: "xy",
+    handles: ["n", "w", "e", "s", "nw", "ne", "sw", "se"].map(type),
+    input: function(xy) {
+      return xy == null ? null : number22(xy);
+    },
+    output: function(xy) {
+      return xy;
+    }
+  };
+  function type(t) {
+    return { type: t };
+  }
+
+  // modules/index.js
+  var debug = false;
+  var d3 = {
+    dispatch: dispatch_default,
+    geoMercator: mercator_default,
+    geoProjection: projection,
+    polygonArea: area_default3,
+    polygonCentroid: centroid_default2,
+    select: select_default2,
+    selectAll: selectAll_default2,
+    timerFlush
+  };
+
+  // modules/id.js
+  window.requestIdleCallback = window.requestIdleCallback || function(cb) {
+    var start2 = Date.now();
+    return window.requestAnimationFrame(function() {
+      cb({
+        didTimeout: false,
+        timeRemaining: function() {
+          return Math.max(0, 50 - (Date.now() - start2));
+        }
+      });
+    });
+  };
+  window.cancelIdleCallback = window.cancelIdleCallback || function(id2) {
+    window.cancelAnimationFrame(id2);
+  };
+  window.iD = modules_exports;
+})();
 //# sourceMappingURL=iD.js.map