X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/d17ecc9b83c13912019336c0045aadb807143eb0..9c83235f72aece554426751e334c1f0b4ccaea64:/vendor/assets/iD/iD.js?ds=sidebyside
diff --git a/vendor/assets/iD/iD.js b/vendor/assets/iD/iD.js
index 4c859084b..339e58d88 100644
--- a/vendor/assets/iD/iD.js
+++ b/vendor/assets/iD/iD.js
@@ -1,68275 +1,92747 @@
(function () {
-function actionAddEntity(way) {
- return function(graph) {
- return graph.replace(way);
- };
-}
-
-var commonjsGlobal = typeof window !== 'undefined' ? window : typeof global !== 'undefined' ? global : typeof self !== 'undefined' ? self : {};
+ var version = "4.13.0";
-function commonjsRequire () {
- throw new Error('Dynamic requires are not currently supported by rollup-plugin-commonjs');
-}
+ function ascending(a, b) {
+ return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+ }
+ function 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 ascending(f(d), x);
+ };
+ }
-function createCommonjsModule(fn, module) {
- return module = { exports: {} }, fn(module, module.exports), module.exports;
-}
+ var ascendingBisect = bisector(ascending);
+ var bisectRight = ascendingBisect.right;
+ var bisectLeft = ascendingBisect.left;
-var lodash = createCommonjsModule(function (module, exports) {
-/**
- * @license
- * Lodash
- * Copyright JS Foundation and other contributors
- * Released under MIT license
- * Based on Underscore.js 1.8.3
- * Copyright Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
- */
-(function() {
+ function pairs(array, f) {
+ if (f == null) f = pair;
+ var i = 0, n = array.length - 1, p = array[0], pairs = new Array(n < 0 ? 0 : n);
+ while (i < n) pairs[i] = f(p, p = array[++i]);
+ return pairs;
+ }
- /** Used as a safe reference for `undefined` in pre-ES5 environments. */
- var undefined;
+ function pair(a, b) {
+ return [a, b];
+ }
- /** Used as the semantic version number. */
- var VERSION = '4.17.1';
+ function cross(values0, values1, reduce) {
+ var n0 = values0.length,
+ n1 = values1.length,
+ values = new Array(n0 * n1),
+ i0,
+ i1,
+ i,
+ value0;
- /** Used as the size to enable large array optimizations. */
- var LARGE_ARRAY_SIZE = 200;
+ if (reduce == null) reduce = pair;
- /** Error message constants. */
- var CORE_ERROR_TEXT = 'Unsupported core-js use. Try https://npms.io/search?q=ponyfill.',
- FUNC_ERROR_TEXT = 'Expected a function';
+ for (i0 = i = 0; i0 < n0; ++i0) {
+ for (value0 = values0[i0], i1 = 0; i1 < n1; ++i1, ++i) {
+ values[i] = reduce(value0, values1[i1]);
+ }
+ }
- /** Used to stand-in for `undefined` hash values. */
- var HASH_UNDEFINED = '__lodash_hash_undefined__';
+ return values;
+ }
- /** Used as the maximum memoize cache size. */
- var MAX_MEMOIZE_SIZE = 500;
+ function d3_descending(a, b) {
+ return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
+ }
- /** Used as the internal argument placeholder. */
- var PLACEHOLDER = '__lodash_placeholder__';
+ function number(x) {
+ return x === null ? NaN : +x;
+ }
- /** Used to compose bitmasks for cloning. */
- var CLONE_DEEP_FLAG = 1,
- CLONE_FLAT_FLAG = 2,
- CLONE_SYMBOLS_FLAG = 4;
+ function variance(values, valueof) {
+ var n = values.length,
+ m = 0,
+ i = -1,
+ mean = 0,
+ value,
+ delta,
+ sum = 0;
- /** Used to compose bitmasks for value comparisons. */
- var COMPARE_PARTIAL_FLAG = 1,
- COMPARE_UNORDERED_FLAG = 2;
+ if (valueof == null) {
+ while (++i < n) {
+ if (!isNaN(value = number(values[i]))) {
+ delta = value - mean;
+ mean += delta / ++m;
+ sum += delta * (value - mean);
+ }
+ }
+ }
- /** Used to compose bitmasks for function metadata. */
- 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;
+ else {
+ while (++i < n) {
+ if (!isNaN(value = number(valueof(values[i], i, values)))) {
+ delta = value - mean;
+ mean += delta / ++m;
+ sum += delta * (value - mean);
+ }
+ }
+ }
- /** Used as default options for `_.truncate`. */
- var DEFAULT_TRUNC_LENGTH = 30,
- DEFAULT_TRUNC_OMISSION = '...';
+ if (m > 1) return sum / (m - 1);
+ }
- /** Used to detect hot functions by number of calls within a span of milliseconds. */
- var HOT_COUNT = 800,
- HOT_SPAN = 16;
+ function deviation(array, f) {
+ var v = variance(array, f);
+ return v ? Math.sqrt(v) : v;
+ }
- /** Used to indicate the type of lazy iteratees. */
- var LAZY_FILTER_FLAG = 1,
- LAZY_MAP_FLAG = 2,
- LAZY_WHILE_FLAG = 3;
+ function extent(values, valueof) {
+ var n = values.length,
+ i = -1,
+ value,
+ min,
+ max;
+
+ if (valueof == null) {
+ while (++i < n) { // Find the first comparable value.
+ if ((value = values[i]) != null && value >= value) {
+ min = max = value;
+ while (++i < n) { // Compare the remaining values.
+ if ((value = values[i]) != null) {
+ if (min > value) min = value;
+ if (max < value) max = value;
+ }
+ }
+ }
+ }
+ }
- /** Used as references for various `Number` constants. */
- var INFINITY = 1 / 0,
- MAX_SAFE_INTEGER = 9007199254740991,
- MAX_INTEGER = 1.7976931348623157e+308,
- NAN = 0 / 0;
+ else {
+ while (++i < n) { // Find the first comparable value.
+ if ((value = valueof(values[i], i, values)) != null && value >= value) {
+ min = max = value;
+ while (++i < n) { // Compare the remaining values.
+ if ((value = valueof(values[i], i, values)) != null) {
+ if (min > value) min = value;
+ if (max < value) max = value;
+ }
+ }
+ }
+ }
+ }
- /** Used as references for the maximum length and index of an array. */
- var MAX_ARRAY_LENGTH = 4294967295,
- MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1,
- HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1;
+ return [min, max];
+ }
- /** Used to associate wrap methods with their bit flags. */
- 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 array = Array.prototype;
- /** `Object#toString` result references. */
- var argsTag = '[object Arguments]',
- arrayTag = '[object Array]',
- asyncTag = '[object AsyncFunction]',
- boolTag = '[object Boolean]',
- dateTag = '[object Date]',
- domExcTag = '[object DOMException]',
- errorTag = '[object Error]',
- funcTag = '[object Function]',
- genTag = '[object GeneratorFunction]',
- mapTag = '[object Map]',
- numberTag = '[object Number]',
- nullTag = '[object Null]',
- objectTag = '[object Object]',
- promiseTag = '[object Promise]',
- proxyTag = '[object Proxy]',
- regexpTag = '[object RegExp]',
- setTag = '[object Set]',
- stringTag = '[object String]',
- symbolTag = '[object Symbol]',
- undefinedTag = '[object Undefined]',
- weakMapTag = '[object WeakMap]',
- weakSetTag = '[object WeakSet]';
+ var slice = array.slice;
+ var map = array.map;
- var arrayBufferTag = '[object ArrayBuffer]',
- dataViewTag = '[object DataView]',
- float32Tag = '[object Float32Array]',
- float64Tag = '[object Float64Array]',
- int8Tag = '[object Int8Array]',
- int16Tag = '[object Int16Array]',
- int32Tag = '[object Int32Array]',
- uint8Tag = '[object Uint8Array]',
- uint8ClampedTag = '[object Uint8ClampedArray]',
- uint16Tag = '[object Uint16Array]',
- uint32Tag = '[object Uint32Array]';
+ function constant(x) {
+ return function() {
+ return x;
+ };
+ }
- /** Used to match empty string literals in compiled template source. */
- var reEmptyStringLeading = /\b__p \+= '';/g,
- reEmptyStringMiddle = /\b(__p \+=) '' \+/g,
- reEmptyStringTrailing = /(__e\(.*?\)|\b__t\)) \+\n'';/g;
+ function identity(x) {
+ return x;
+ }
- /** Used to match HTML entities and HTML characters. */
- var reEscapedHtml = /&(?:amp|lt|gt|quot|#39);/g,
- reUnescapedHtml = /[&<>"']/g,
- reHasEscapedHtml = RegExp(reEscapedHtml.source),
- reHasUnescapedHtml = RegExp(reUnescapedHtml.source);
+ function range(start, stop, step) {
+ start = +start, stop = +stop, step = (n = arguments.length) < 2 ? (stop = start, start = 0, 1) : n < 3 ? 1 : +step;
- /** Used to match template delimiters. */
- var reEscape = /<%-([\s\S]+?)%>/g,
- reEvaluate = /<%([\s\S]+?)%>/g,
- reInterpolate = /<%=([\s\S]+?)%>/g;
+ var i = -1,
+ n = Math.max(0, Math.ceil((stop - start) / step)) | 0,
+ range = new Array(n);
- /** Used to match property names within property paths. */
- var reIsDeepProp = /\.|\[(?:[^[\]]*|(["'])(?:(?!\1)[^\\]|\\.)*?\1)\]/,
- reIsPlainProp = /^\w*$/,
- reLeadingDot = /^\./,
- rePropName = /[^.[\]]+|\[(?:(-?\d+(?:\.\d+)?)|(["'])((?:(?!\2)[^\\]|\\.)*?)\2)\]|(?=(?:\.|\[\])(?:\.|\[\]|$))/g;
+ while (++i < n) {
+ range[i] = start + i * step;
+ }
- /**
- * Used to match `RegExp`
- * [syntax characters](http://ecma-international.org/ecma-262/7.0/#sec-patterns).
- */
- var reRegExpChar = /[\\^$.*+?()[\]{}|]/g,
- reHasRegExpChar = RegExp(reRegExpChar.source);
+ return range;
+ }
- /** Used to match leading and trailing whitespace. */
- var reTrim = /^\s+|\s+$/g,
- reTrimStart = /^\s+/,
- reTrimEnd = /\s+$/;
+ var e10 = Math.sqrt(50),
+ e5 = Math.sqrt(10),
+ e2 = Math.sqrt(2);
- /** Used to match wrap detail comments. */
- var reWrapComment = /\{(?:\n\/\* \[wrapped with .+\] \*\/)?\n?/,
- reWrapDetails = /\{\n\/\* \[wrapped with (.+)\] \*/,
- reSplitDetails = /,? & /;
+ 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;
+ }
- /** Used to match words composed of alphanumeric characters. */
- var reAsciiWord = /[^\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]+/g;
+ if (reverse) ticks.reverse();
- /** Used to match backslashes in property paths. */
- var reEscapeChar = /\\(\\)?/g;
+ return ticks;
+ }
- /**
- * Used to match
- * [ES template delimiters](http://ecma-international.org/ecma-262/7.0/#sec-template-literal-lexical-components).
- */
- var reEsTemplate = /\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g;
+ 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);
+ }
- /** Used to match `RegExp` flags from their coerced string values. */
- var reFlags = /\w*$/;
+ function tickStep(start, stop, count) {
+ var step0 = Math.abs(stop - start) / Math.max(0, count),
+ step1 = Math.pow(10, Math.floor(Math.log(step0) / Math.LN10)),
+ error = step0 / step1;
+ if (error >= e10) step1 *= 10;
+ else if (error >= e5) step1 *= 5;
+ else if (error >= e2) step1 *= 2;
+ return stop < start ? -step1 : step1;
+ }
- /** Used to detect bad signed hexadecimal string values. */
- var reIsBadHex = /^[-+]0x[0-9a-f]+$/i;
+ function sturges(values) {
+ return Math.ceil(Math.log(values.length) / Math.LN2) + 1;
+ }
- /** Used to detect binary string values. */
- var reIsBinary = /^0b[01]+$/i;
+ function histogram() {
+ var value = identity,
+ domain = extent,
+ threshold = sturges;
- /** Used to detect host constructors (Safari). */
- var reIsHostCtor = /^\[object .+?Constructor\]$/;
+ function histogram(data) {
+ var i,
+ n = data.length,
+ x,
+ values = new Array(n);
- /** Used to detect octal string values. */
- var reIsOctal = /^0o[0-7]+$/i;
+ for (i = 0; i < n; ++i) {
+ values[i] = value(data[i], i, data);
+ }
- /** Used to detect unsigned integer values. */
- var reIsUint = /^(?:0|[1-9]\d*)$/;
+ var xz = domain(values),
+ x0 = xz[0],
+ x1 = xz[1],
+ tz = threshold(values, x0, x1);
- /** Used to match Latin Unicode letters (excluding mathematical operators). */
- var reLatin = /[\xc0-\xd6\xd8-\xf6\xf8-\xff\u0100-\u017f]/g;
-
- /** Used to ensure capturing order of template delimiters. */
- var reNoMatch = /($^)/;
-
- /** Used to match unescaped characters in compiled string literals. */
- var reUnescapedString = /['\n\r\u2028\u2029\\]/g;
-
- /** Used to compose unicode character classes. */
- 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;
-
- /** Used to compose unicode capture groups. */
- 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';
-
- /** Used to compose unicode regexes. */
- 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)',
- rsOrdUpper = '\\d*(?:(?:1ST|2ND|3RD|(?![123])\\dTH)\\b)',
- rsSeq = rsOptVar + reOptMod + rsOptJoin,
- rsEmoji = '(?:' + [rsDingbat, rsRegional, rsSurrPair].join('|') + ')' + rsSeq,
- rsSymbol = '(?:' + [rsNonAstral + rsCombo + '?', rsCombo, rsRegional, rsSurrPair, rsAstral].join('|') + ')';
-
- /** Used to match apostrophes. */
- var reApos = RegExp(rsApos, 'g');
+ // Convert number of thresholds into uniform thresholds.
+ if (!Array.isArray(tz)) {
+ tz = tickStep(x0, x1, tz);
+ tz = range(Math.ceil(x0 / tz) * tz, Math.floor(x1 / tz) * tz, tz); // exclusive
+ }
- /**
- * Used to match [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks) and
- * [combining diacritical marks for symbols](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks_for_Symbols).
- */
- var reComboMark = RegExp(rsCombo, 'g');
-
- /** Used to match [string symbols](https://mathiasbynens.be/notes/javascript-unicode). */
- var reUnicode = RegExp(rsFitz + '(?=' + rsFitz + ')|' + rsSymbol + rsSeq, 'g');
-
- /** Used to match complex or compound words. */
- 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');
-
- /** Used to detect strings with [zero-width joiners or code points from the astral planes](http://eev.ee/blog/2015/09/12/dark-corners-of-unicode/). */
- var reHasUnicode = RegExp('[' + rsZWJ + rsAstralRange + rsComboRange + rsVarRange + ']');
-
- /** Used to detect strings that need a more robust regexp to match words. */
- 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 ]/;
-
- /** Used to assign default `context` object properties. */
- 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'
- ];
+ // Remove any thresholds outside the domain.
+ var m = tz.length;
+ while (tz[0] <= x0) tz.shift(), --m;
+ while (tz[m - 1] > x1) tz.pop(), --m;
- /** Used to make template sourceURLs easier to identify. */
- var templateCounter = -1;
+ var bins = new Array(m + 1),
+ bin;
- /** Used to identify `toStringTag` values of typed arrays. */
- var typedArrayTags = {};
- typedArrayTags[float32Tag] = typedArrayTags[float64Tag] =
- typedArrayTags[int8Tag] = typedArrayTags[int16Tag] =
- typedArrayTags[int32Tag] = typedArrayTags[uint8Tag] =
- typedArrayTags[uint8ClampedTag] = typedArrayTags[uint16Tag] =
- typedArrayTags[uint32Tag] = true;
- typedArrayTags[argsTag] = typedArrayTags[arrayTag] =
- typedArrayTags[arrayBufferTag] = typedArrayTags[boolTag] =
- typedArrayTags[dataViewTag] = typedArrayTags[dateTag] =
- typedArrayTags[errorTag] = typedArrayTags[funcTag] =
- typedArrayTags[mapTag] = typedArrayTags[numberTag] =
- typedArrayTags[objectTag] = typedArrayTags[regexpTag] =
- typedArrayTags[setTag] = typedArrayTags[stringTag] =
- typedArrayTags[weakMapTag] = false;
+ // Initialize bins.
+ for (i = 0; i <= m; ++i) {
+ bin = bins[i] = [];
+ bin.x0 = i > 0 ? tz[i - 1] : x0;
+ bin.x1 = i < m ? tz[i] : x1;
+ }
- /** Used to identify `toStringTag` values supported by `_.clone`. */
- var cloneableTags = {};
- cloneableTags[argsTag] = cloneableTags[arrayTag] =
- cloneableTags[arrayBufferTag] = cloneableTags[dataViewTag] =
- cloneableTags[boolTag] = cloneableTags[dateTag] =
- cloneableTags[float32Tag] = cloneableTags[float64Tag] =
- cloneableTags[int8Tag] = cloneableTags[int16Tag] =
- cloneableTags[int32Tag] = cloneableTags[mapTag] =
- cloneableTags[numberTag] = cloneableTags[objectTag] =
- cloneableTags[regexpTag] = cloneableTags[setTag] =
- cloneableTags[stringTag] = cloneableTags[symbolTag] =
- cloneableTags[uint8Tag] = cloneableTags[uint8ClampedTag] =
- cloneableTags[uint16Tag] = cloneableTags[uint32Tag] = true;
- cloneableTags[errorTag] = cloneableTags[funcTag] =
- cloneableTags[weakMapTag] = false;
-
- /** Used to map Latin Unicode letters to basic Latin letters. */
- 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'
- };
+ // Assign data to bins by value, ignoring any outside the domain.
+ for (i = 0; i < n; ++i) {
+ x = values[i];
+ if (x0 <= x && x <= x1) {
+ bins[bisectRight(tz, x, 0, m)].push(data[i]);
+ }
+ }
- /** Used to map characters to HTML entities. */
- var htmlEscapes = {
- '&': '&',
- '<': '<',
- '>': '>',
- '"': '"',
- "'": '''
- };
+ return bins;
+ }
- /** Used to map HTML entities to characters. */
- var htmlUnescapes = {
- '&': '&',
- '<': '<',
- '>': '>',
- '"': '"',
- ''': "'"
- };
+ histogram.value = function(_) {
+ return arguments.length ? (value = typeof _ === "function" ? _ : constant(_), histogram) : value;
+ };
- /** Used to escape characters for inclusion in compiled string literals. */
- var stringEscapes = {
- '\\': '\\',
- "'": "'",
- '\n': 'n',
- '\r': 'r',
- '\u2028': 'u2028',
- '\u2029': 'u2029'
- };
+ histogram.domain = function(_) {
+ return arguments.length ? (domain = typeof _ === "function" ? _ : constant([_[0], _[1]]), histogram) : domain;
+ };
- /** Built-in method references without a dependency on `root`. */
- var freeParseFloat = parseFloat,
- freeParseInt = parseInt;
+ histogram.thresholds = function(_) {
+ return arguments.length ? (threshold = typeof _ === "function" ? _ : Array.isArray(_) ? constant(slice.call(_)) : constant(_), histogram) : threshold;
+ };
- /** Detect free variable `global` from Node.js. */
- var freeGlobal = typeof commonjsGlobal == 'object' && commonjsGlobal && commonjsGlobal.Object === Object && commonjsGlobal;
+ return histogram;
+ }
- /** Detect free variable `self`. */
- var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+ function quantile(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);
+ }
- /** Used as a reference to the global object. */
- var root = freeGlobal || freeSelf || Function('return this')();
+ function freedmanDiaconis(values, min, max) {
+ values = map.call(values, number).sort(ascending);
+ return Math.ceil((max - min) / (2 * (quantile(values, 0.75) - quantile(values, 0.25)) * Math.pow(values.length, -1 / 3)));
+ }
- /** Detect free variable `exports`. */
- var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
+ function scott(values, min, max) {
+ return Math.ceil((max - min) / (3.5 * deviation(values) * Math.pow(values.length, -1 / 3)));
+ }
- /** Detect free variable `module`. */
- var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
+ function max(values, valueof) {
+ var n = values.length,
+ i = -1,
+ value,
+ max;
+
+ if (valueof == null) {
+ while (++i < n) { // Find the first comparable value.
+ if ((value = values[i]) != null && value >= value) {
+ max = value;
+ while (++i < n) { // Compare the remaining values.
+ if ((value = values[i]) != null && value > max) {
+ max = value;
+ }
+ }
+ }
+ }
+ }
- /** Detect the popular CommonJS extension `module.exports`. */
- var moduleExports = freeModule && freeModule.exports === freeExports;
+ else {
+ while (++i < n) { // Find the first comparable value.
+ if ((value = valueof(values[i], i, values)) != null && value >= value) {
+ max = value;
+ while (++i < n) { // Compare the remaining values.
+ if ((value = valueof(values[i], i, values)) != null && value > max) {
+ max = value;
+ }
+ }
+ }
+ }
+ }
- /** Detect free variable `process` from Node.js. */
- var freeProcess = moduleExports && freeGlobal.process;
+ return max;
+ }
- /** Used to access faster Node.js helpers. */
- var nodeUtil = (function() {
- try {
- return freeProcess && freeProcess.binding && freeProcess.binding('util');
- } catch (e) {}
- }());
+ function mean(values, valueof) {
+ var n = values.length,
+ m = n,
+ i = -1,
+ value,
+ sum = 0;
- /* Node.js helper references. */
- var nodeIsArrayBuffer = nodeUtil && nodeUtil.isArrayBuffer,
- nodeIsDate = nodeUtil && nodeUtil.isDate,
- nodeIsMap = nodeUtil && nodeUtil.isMap,
- nodeIsRegExp = nodeUtil && nodeUtil.isRegExp,
- nodeIsSet = nodeUtil && nodeUtil.isSet,
- nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray;
+ if (valueof == null) {
+ while (++i < n) {
+ if (!isNaN(value = number(values[i]))) sum += value;
+ else --m;
+ }
+ }
- /*--------------------------------------------------------------------------*/
+ else {
+ while (++i < n) {
+ if (!isNaN(value = number(valueof(values[i], i, values)))) sum += value;
+ else --m;
+ }
+ }
- /**
- * Adds the key-value `pair` to `map`.
- *
- * @private
- * @param {Object} map The map to modify.
- * @param {Array} pair The key-value pair to add.
- * @returns {Object} Returns `map`.
- */
- function addMapEntry(map, pair) {
- // Don't return `map.set` because it's not chainable in IE 11.
- map.set(pair[0], pair[1]);
- return map;
+ if (m) return sum / m;
}
- /**
- * Adds `value` to `set`.
- *
- * @private
- * @param {Object} set The set to modify.
- * @param {*} value The value to add.
- * @returns {Object} Returns `set`.
- */
- function addSetEntry(set, value) {
- // Don't return `set.add` because it's not chainable in IE 11.
- set.add(value);
- return set;
- }
+ function d3_median(values, valueof) {
+ var n = values.length,
+ i = -1,
+ value,
+ numbers = [];
- /**
- * A faster alternative to `Function#apply`, this function invokes `func`
- * with the `this` binding of `thisArg` and the arguments of `args`.
- *
- * @private
- * @param {Function} func The function to invoke.
- * @param {*} thisArg The `this` binding of `func`.
- * @param {Array} args The arguments to invoke `func` with.
- * @returns {*} Returns the result of `func`.
- */
- 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]);
+ if (valueof == null) {
+ while (++i < n) {
+ if (!isNaN(value = number(values[i]))) {
+ numbers.push(value);
+ }
+ }
}
- return func.apply(thisArg, args);
+
+ else {
+ while (++i < n) {
+ if (!isNaN(value = number(valueof(values[i], i, values)))) {
+ numbers.push(value);
+ }
+ }
+ }
+
+ return quantile(numbers.sort(ascending), 0.5);
}
- /**
- * A specialized version of `baseAggregator` for arrays.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} setter The function to set `accumulator` values.
- * @param {Function} iteratee The iteratee to transform keys.
- * @param {Object} accumulator The initial aggregated object.
- * @returns {Function} Returns `accumulator`.
- */
- function arrayAggregator(array, setter, iteratee, accumulator) {
- var index = -1,
- length = array == null ? 0 : array.length;
+ function merge(arrays) {
+ var n = arrays.length,
+ m,
+ i = -1,
+ j = 0,
+ merged,
+ array;
- while (++index < length) {
- var value = array[index];
- setter(accumulator, value, iteratee(value), 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 accumulator;
+
+ return merged;
}
- /**
- * A specialized version of `_.forEach` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns `array`.
- */
- function arrayEach(array, iteratee) {
- var index = -1,
- length = array == null ? 0 : array.length;
+ function min(values, valueof) {
+ var n = values.length,
+ i = -1,
+ value,
+ min;
+
+ if (valueof == null) {
+ while (++i < n) { // Find the first comparable value.
+ if ((value = values[i]) != null && value >= value) {
+ min = value;
+ while (++i < n) { // Compare the remaining values.
+ if ((value = values[i]) != null && min > value) {
+ min = value;
+ }
+ }
+ }
+ }
+ }
- while (++index < length) {
- if (iteratee(array[index], index, array) === false) {
- break;
+ else {
+ while (++i < n) { // Find the first comparable value.
+ if ((value = valueof(values[i], i, values)) != null && value >= value) {
+ min = value;
+ while (++i < n) { // Compare the remaining values.
+ if ((value = valueof(values[i], i, values)) != null && min > value) {
+ min = value;
+ }
+ }
+ }
}
}
- return array;
+
+ return min;
}
- /**
- * A specialized version of `_.forEachRight` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns `array`.
- */
- function arrayEachRight(array, iteratee) {
- var length = array == null ? 0 : array.length;
+ function permute(array, indexes) {
+ var i = indexes.length, permutes = new Array(i);
+ while (i--) permutes[i] = array[indexes[i]];
+ return permutes;
+ }
- while (length--) {
- if (iteratee(array[length], length, array) === false) {
- break;
+ function scan(values, compare) {
+ if (!(n = values.length)) return;
+ var n,
+ i = 0,
+ j = 0,
+ xi,
+ xj = values[j];
+
+ if (compare == null) compare = ascending;
+
+ while (++i < n) {
+ if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) {
+ xj = xi, j = i;
}
}
- return array;
+
+ if (compare(xj, xj) === 0) return j;
}
- /**
- * A specialized version of `_.every` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {boolean} Returns `true` if all elements pass the predicate check,
- * else `false`.
- */
- function arrayEvery(array, predicate) {
- var index = -1,
- length = array == null ? 0 : array.length;
+ function shuffle(array, i0, i1) {
+ var m = (i1 == null ? array.length : i1) - (i0 = i0 == null ? 0 : +i0),
+ t,
+ i;
- while (++index < length) {
- if (!predicate(array[index], index, array)) {
- return false;
- }
+ while (m) {
+ i = Math.random() * m-- | 0;
+ t = array[m + i0];
+ array[m + i0] = array[i + i0];
+ array[i + i0] = t;
}
- return true;
+
+ return array;
}
- /**
- * A specialized version of `_.filter` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {Array} Returns the new filtered array.
- */
- function arrayFilter(array, predicate) {
- var index = -1,
- length = array == null ? 0 : array.length,
- resIndex = 0,
- result = [];
+ function sum(values, valueof) {
+ var n = values.length,
+ i = -1,
+ value,
+ sum = 0;
- while (++index < length) {
- var value = array[index];
- if (predicate(value, index, array)) {
- result[resIndex++] = value;
+ if (valueof == null) {
+ while (++i < n) {
+ if (value = +values[i]) sum += value; // Note: zero and null are equivalent.
}
}
- return result;
- }
- /**
- * A specialized version of `_.includes` for arrays without support for
- * specifying an index to search from.
- *
- * @private
- * @param {Array} [array] The array to inspect.
- * @param {*} target The value to search for.
- * @returns {boolean} Returns `true` if `target` is found, else `false`.
- */
- function arrayIncludes(array, value) {
- var length = array == null ? 0 : array.length;
- return !!length && baseIndexOf(array, value, 0) > -1;
- }
+ else {
+ while (++i < n) {
+ if (value = +valueof(values[i], i, values)) sum += value;
+ }
+ }
- /**
- * This function is like `arrayIncludes` except that it accepts a comparator.
- *
- * @private
- * @param {Array} [array] The array to inspect.
- * @param {*} target The value to search for.
- * @param {Function} comparator The comparator invoked per element.
- * @returns {boolean} Returns `true` if `target` is found, else `false`.
- */
- function arrayIncludesWith(array, value, comparator) {
- var index = -1,
- length = array == null ? 0 : array.length;
+ return sum;
+ }
- while (++index < length) {
- if (comparator(value, array[index])) {
- return true;
+ function transpose(matrix) {
+ if (!(n = matrix.length)) return [];
+ for (var i = -1, m = min(matrix, length), transpose = new Array(m); ++i < m;) {
+ for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n;) {
+ row[j] = matrix[j][i];
}
}
- return false;
+ return transpose;
}
- /**
- * A specialized version of `_.map` for arrays without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the new mapped array.
- */
- function arrayMap(array, iteratee) {
- var index = -1,
- length = array == null ? 0 : array.length,
- result = Array(length);
+ function length(d) {
+ return d.length;
+ }
- while (++index < length) {
- result[index] = iteratee(array[index], index, array);
- }
- return result;
+ function zip() {
+ return transpose(arguments);
}
- /**
- * Appends the elements of `values` to `array`.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {Array} values The values to append.
- * @returns {Array} Returns `array`.
- */
- function arrayPush(array, values) {
- var index = -1,
- length = values.length,
- offset = array.length;
+ var slice$1 = Array.prototype.slice;
- while (++index < length) {
- array[offset + index] = values[index];
- }
- return array;
+ function identity$1(x) {
+ return x;
}
- /**
- * A specialized version of `_.reduce` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {*} [accumulator] The initial value.
- * @param {boolean} [initAccum] Specify using the first element of `array` as
- * the initial value.
- * @returns {*} Returns the accumulated value.
- */
- function arrayReduce(array, iteratee, accumulator, initAccum) {
- var index = -1,
- length = array == null ? 0 : array.length;
+ var top = 1,
+ right = 2,
+ bottom = 3,
+ left = 4,
+ epsilon = 1e-6;
- if (initAccum && length) {
- accumulator = array[++index];
- }
- while (++index < length) {
- accumulator = iteratee(accumulator, array[index], index, array);
- }
- return accumulator;
+ function translateX(x) {
+ return "translate(" + (x + 0.5) + ",0)";
}
- /**
- * A specialized version of `_.reduceRight` for arrays without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {*} [accumulator] The initial value.
- * @param {boolean} [initAccum] Specify using the last element of `array` as
- * the initial value.
- * @returns {*} Returns the accumulated value.
- */
- function arrayReduceRight(array, iteratee, accumulator, initAccum) {
- var length = array == null ? 0 : array.length;
- if (initAccum && length) {
- accumulator = array[--length];
- }
- while (length--) {
- accumulator = iteratee(accumulator, array[length], length, array);
- }
- return accumulator;
+ function translateY(y) {
+ return "translate(0," + (y + 0.5) + ")";
}
- /**
- * A specialized version of `_.some` for arrays without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} [array] The array to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {boolean} Returns `true` if any element passes the predicate check,
- * else `false`.
- */
- function arraySome(array, predicate) {
- var index = -1,
- length = array == null ? 0 : array.length;
+ function number$1(scale) {
+ return function(d) {
+ return +scale(d);
+ };
+ }
- while (++index < length) {
- if (predicate(array[index], index, array)) {
- return true;
+ function center(scale) {
+ var offset = Math.max(0, scale.bandwidth() - 1) / 2; // Adjust for 0.5px offset.
+ if (scale.round()) offset = Math.round(offset);
+ return function(d) {
+ return +scale(d) + offset;
+ };
+ }
+
+ function entering() {
+ return !this.__axis;
+ }
+
+ function axis(orient, scale) {
+ var tickArguments = [],
+ tickValues = null,
+ tickFormat = null,
+ tickSizeInner = 6,
+ tickSizeOuter = 6,
+ tickPadding = 3,
+ k = orient === top || orient === left ? -1 : 1,
+ x = orient === left || orient === right ? "x" : "y",
+ transform = orient === top || orient === bottom ? translateX : translateY;
+
+ function axis(context) {
+ var values = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments) : scale.domain()) : tickValues,
+ format = tickFormat == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments) : identity$1) : tickFormat,
+ spacing = Math.max(tickSizeInner, 0) + tickPadding,
+ range = scale.range(),
+ range0 = +range[0] + 0.5,
+ range1 = +range[range.length - 1] + 0.5,
+ position = (scale.bandwidth ? center : number$1)(scale.copy()),
+ selection = context.selection ? context.selection() : context,
+ path = selection.selectAll(".domain").data([null]),
+ tick = selection.selectAll(".tick").data(values, scale).order(),
+ tickExit = tick.exit(),
+ tickEnter = tick.enter().append("g").attr("class", "tick"),
+ line = tick.select("line"),
+ text = tick.select("text");
+
+ path = path.merge(path.enter().insert("path", ".tick")
+ .attr("class", "domain")
+ .attr("stroke", "#000"));
+
+ tick = tick.merge(tickEnter);
+
+ line = line.merge(tickEnter.append("line")
+ .attr("stroke", "#000")
+ .attr(x + "2", k * tickSizeInner));
+
+ text = text.merge(tickEnter.append("text")
+ .attr("fill", "#000")
+ .attr(x, k * spacing)
+ .attr("dy", orient === top ? "0em" : orient === bottom ? "0.71em" : "0.32em"));
+
+ if (context !== selection) {
+ path = path.transition(context);
+ tick = tick.transition(context);
+ line = line.transition(context);
+ text = text.transition(context);
+
+ tickExit = tickExit.transition(context)
+ .attr("opacity", epsilon)
+ .attr("transform", function(d) { return isFinite(d = position(d)) ? transform(d) : this.getAttribute("transform"); });
+
+ tickEnter
+ .attr("opacity", epsilon)
+ .attr("transform", function(d) { var p = this.parentNode.__axis; return transform(p && isFinite(p = p(d)) ? p : position(d)); });
}
+
+ tickExit.remove();
+
+ path
+ .attr("d", orient === left || orient == right
+ ? "M" + k * tickSizeOuter + "," + range0 + "H0.5V" + range1 + "H" + k * tickSizeOuter
+ : "M" + range0 + "," + k * tickSizeOuter + "V0.5H" + range1 + "V" + k * tickSizeOuter);
+
+ tick
+ .attr("opacity", 1)
+ .attr("transform", function(d) { return transform(position(d)); });
+
+ line
+ .attr(x + "2", k * tickSizeInner);
+
+ text
+ .attr(x, k * spacing)
+ .text(format);
+
+ selection.filter(entering)
+ .attr("fill", "none")
+ .attr("font-size", 10)
+ .attr("font-family", "sans-serif")
+ .attr("text-anchor", orient === right ? "start" : orient === left ? "end" : "middle");
+
+ selection
+ .each(function() { this.__axis = position; });
}
- return false;
+
+ axis.scale = function(_) {
+ return arguments.length ? (scale = _, axis) : scale;
+ };
+
+ axis.ticks = function() {
+ return tickArguments = slice$1.call(arguments), axis;
+ };
+
+ axis.tickArguments = function(_) {
+ return arguments.length ? (tickArguments = _ == null ? [] : slice$1.call(_), axis) : tickArguments.slice();
+ };
+
+ axis.tickValues = function(_) {
+ return arguments.length ? (tickValues = _ == null ? null : slice$1.call(_), axis) : tickValues && tickValues.slice();
+ };
+
+ axis.tickFormat = function(_) {
+ return arguments.length ? (tickFormat = _, axis) : tickFormat;
+ };
+
+ axis.tickSize = function(_) {
+ return arguments.length ? (tickSizeInner = tickSizeOuter = +_, axis) : tickSizeInner;
+ };
+
+ axis.tickSizeInner = function(_) {
+ return arguments.length ? (tickSizeInner = +_, axis) : tickSizeInner;
+ };
+
+ axis.tickSizeOuter = function(_) {
+ return arguments.length ? (tickSizeOuter = +_, axis) : tickSizeOuter;
+ };
+
+ axis.tickPadding = function(_) {
+ return arguments.length ? (tickPadding = +_, axis) : tickPadding;
+ };
+
+ return axis;
}
- /**
- * Gets the size of an ASCII `string`.
- *
- * @private
- * @param {string} string The string inspect.
- * @returns {number} Returns the string size.
- */
- var asciiSize = baseProperty('length');
+ function axisTop(scale) {
+ return axis(top, scale);
+ }
- /**
- * Converts an ASCII `string` to an array.
- *
- * @private
- * @param {string} string The string to convert.
- * @returns {Array} Returns the converted array.
- */
- function asciiToArray(string) {
- return string.split('');
+ function axisRight(scale) {
+ return axis(right, scale);
}
- /**
- * Splits an ASCII `string` into an array of its words.
- *
- * @private
- * @param {string} The string to inspect.
- * @returns {Array} Returns the words of `string`.
- */
- function asciiWords(string) {
- return string.match(reAsciiWord) || [];
+ function axisBottom(scale) {
+ return axis(bottom, scale);
}
- /**
- * The base implementation of methods like `_.findKey` and `_.findLastKey`,
- * without support for iteratee shorthands, which iterates over `collection`
- * using `eachFunc`.
- *
- * @private
- * @param {Array|Object} collection The collection to inspect.
- * @param {Function} predicate The function invoked per iteration.
- * @param {Function} eachFunc The function to iterate over `collection`.
- * @returns {*} Returns the found element or its key, else `undefined`.
- */
- function baseFindKey(collection, predicate, eachFunc) {
- var result;
- eachFunc(collection, function(value, key, collection) {
- if (predicate(value, key, collection)) {
- result = key;
- return false;
- }
- });
- return result;
+ function axisLeft(scale) {
+ return axis(left, scale);
}
- /**
- * The base implementation of `_.findIndex` and `_.findLastIndex` without
- * support for iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {Function} predicate The function invoked per iteration.
- * @param {number} fromIndex The index to search from.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
- function baseFindIndex(array, predicate, fromIndex, fromRight) {
- var length = array.length,
- index = fromIndex + (fromRight ? 1 : -1);
+ var noop = {value: function() {}};
- while ((fromRight ? index-- : ++index < length)) {
- if (predicate(array[index], index, array)) {
- return index;
- }
+ function dispatch() {
+ for (var i = 0, n = arguments.length, _ = {}, t; i < n; ++i) {
+ if (!(t = arguments[i] + "") || (t in _)) throw new Error("illegal type: " + t);
+ _[t] = [];
}
- return -1;
+ return new Dispatch(_);
}
- /**
- * The base implementation of `_.indexOf` without `fromIndex` bounds checks.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} fromIndex The index to search from.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
- function baseIndexOf(array, value, fromIndex) {
- return value === value
- ? strictIndexOf(array, value, fromIndex)
- : baseFindIndex(array, baseIsNaN, fromIndex);
+ function Dispatch(_) {
+ this._ = _;
}
- /**
- * This function is like `baseIndexOf` except that it accepts a comparator.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} fromIndex The index to search from.
- * @param {Function} comparator The comparator invoked per element.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
- function baseIndexOfWith(array, value, fromIndex, comparator) {
- var index = fromIndex - 1,
- length = array.length;
+ 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};
+ });
+ }
- while (++index < length) {
- if (comparator(array[index], value)) {
- return index;
+ 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(_[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(type, name) {
+ for (var i = 0, n = type.length, c; i < n; ++i) {
+ if ((c = type[i]).name === name) {
+ return c.value;
}
}
- return -1;
}
- /**
- * The base implementation of `_.isNaN` without support for number objects.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
- */
- function baseIsNaN(value) {
- return value !== value;
+ function set(type, name, callback) {
+ for (var i = 0, n = type.length; i < n; ++i) {
+ if (type[i].name === name) {
+ type[i] = noop, type = type.slice(0, i).concat(type.slice(i + 1));
+ break;
+ }
+ }
+ if (callback != null) type.push({name: name, value: callback});
+ return type;
}
- /**
- * The base implementation of `_.mean` and `_.meanBy` without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {number} Returns the mean.
- */
- function baseMean(array, iteratee) {
- var length = array == null ? 0 : array.length;
- return length ? (baseSum(array, iteratee) / length) : NAN;
+ 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;
}
- /**
- * The base implementation of `_.property` without support for deep paths.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @returns {Function} Returns the new accessor function.
- */
- function baseProperty(key) {
- return function(object) {
- return object == null ? undefined : object[key];
+ 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);
};
}
- /**
- * The base implementation of `_.propertyOf` without support for deep paths.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Function} Returns the new accessor function.
- */
- function basePropertyOf(object) {
- return function(key) {
- return object == null ? undefined : object[key];
+ function creatorFixed(fullname) {
+ return function() {
+ return this.ownerDocument.createElementNS(fullname.space, fullname.local);
};
}
- /**
- * The base implementation of `_.reduce` and `_.reduceRight`, without support
- * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {*} accumulator The initial value.
- * @param {boolean} initAccum Specify using the first or last element of
- * `collection` as the initial value.
- * @param {Function} eachFunc The function to iterate over `collection`.
- * @returns {*} Returns the accumulated value.
- */
- function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
- eachFunc(collection, function(value, index, collection) {
- accumulator = initAccum
- ? (initAccum = false, value)
- : iteratee(accumulator, value, index, collection);
- });
- return accumulator;
+ function creator(name) {
+ var fullname = namespace(name);
+ return (fullname.local
+ ? creatorFixed
+ : creatorInherit)(fullname);
}
- /**
- * The base implementation of `_.sortBy` which uses `comparer` to define the
- * sort order of `array` and replaces criteria objects with their corresponding
- * values.
- *
- * @private
- * @param {Array} array The array to sort.
- * @param {Function} comparer The function to define sort order.
- * @returns {Array} Returns `array`.
- */
- function baseSortBy(array, comparer) {
- var length = array.length;
+ function none() {}
- array.sort(comparer);
- while (length--) {
- array[length] = array[length].value;
- }
- return array;
+ function selector(selector) {
+ return selector == null ? none : function() {
+ return this.querySelector(selector);
+ };
}
- /**
- * The base implementation of `_.sum` and `_.sumBy` without support for
- * iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {number} Returns the sum.
- */
- function baseSum(array, iteratee) {
- var result,
- index = -1,
- length = array.length;
+ function selection_select(select) {
+ if (typeof select !== "function") select = selector(select);
- while (++index < length) {
- var current = iteratee(array[index]);
- if (current !== undefined) {
- result = result === undefined ? current : (result + current);
+ 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 result;
+
+ return new Selection(subgroups, this._parents);
}
- /**
- * The base implementation of `_.times` without support for iteratee shorthands
- * or max array length checks.
- *
- * @private
- * @param {number} n The number of times to invoke `iteratee`.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the array of results.
- */
- function baseTimes(n, iteratee) {
- var index = -1,
- result = Array(n);
+ function empty() {
+ return [];
+ }
- while (++index < n) {
- result[index] = iteratee(index);
+ 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 result;
+
+ return new Selection(subgroups, parents);
}
- /**
- * The base implementation of `_.toPairs` and `_.toPairsIn` which creates an array
- * of key-value pairs for `object` corresponding to the property names of `props`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array} props The property names to get values for.
- * @returns {Object} Returns the key-value pairs.
- */
- function baseToPairs(object, props) {
- return arrayMap(props, function(key) {
- return [key, object[key]];
- });
+ var matcher = function(selector) {
+ return function() {
+ return this.matches(selector);
+ };
+ };
+
+ if (typeof document !== "undefined") {
+ var element = document.documentElement;
+ if (!element.matches) {
+ var vendorMatches = element.webkitMatchesSelector
+ || element.msMatchesSelector
+ || element.mozMatchesSelector
+ || element.oMatchesSelector;
+ matcher = function(selector) {
+ return function() {
+ return vendorMatches.call(this, selector);
+ };
+ };
+ }
}
- /**
- * The base implementation of `_.unary` without support for storing metadata.
- *
- * @private
- * @param {Function} func The function to cap arguments for.
- * @returns {Function} Returns the new capped function.
- */
- function baseUnary(func) {
- return function(value) {
- return func(value);
- };
+ var matcher$1 = matcher;
+
+ function selection_filter(match) {
+ if (typeof match !== "function") match = matcher$1(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);
}
- /**
- * The base implementation of `_.values` and `_.valuesIn` which creates an
- * array of `object` property values corresponding to the property names
- * of `props`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array} props The property names to get values for.
- * @returns {Object} Returns the array of property values.
- */
- function baseValues(object, props) {
- return arrayMap(props, function(key) {
- return object[key];
- });
+ function sparse(update) {
+ return new Array(update.length);
}
- /**
- * Checks if a `cache` value for `key` exists.
- *
- * @private
- * @param {Object} cache The cache to query.
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
- function cacheHas(cache, key) {
- return cache.has(key);
+ function selection_enter() {
+ return new Selection(this._enter || this._groups.map(sparse), this._parents);
}
- /**
- * Used by `_.trim` and `_.trimStart` to get the index of the first string symbol
- * that is not found in the character symbols.
- *
- * @private
- * @param {Array} strSymbols The string symbols to inspect.
- * @param {Array} chrSymbols The character symbols to find.
- * @returns {number} Returns the index of the first unmatched string symbol.
- */
- function charsStartIndex(strSymbols, chrSymbols) {
- var index = -1,
- length = strSymbols.length;
+ 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); }
+ };
- while (++index < length && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
- return index;
+ function constant$1(x) {
+ return function() {
+ return x;
+ };
}
- /**
- * Used by `_.trim` and `_.trimEnd` to get the index of the last string symbol
- * that is not found in the character symbols.
- *
- * @private
- * @param {Array} strSymbols The string symbols to inspect.
- * @param {Array} chrSymbols The character symbols to find.
- * @returns {number} Returns the index of the last unmatched string symbol.
- */
- function charsEndIndex(strSymbols, chrSymbols) {
- var index = strSymbols.length;
+ var keyPrefix = "$"; // Protect against keys like â__proto__â.
+
+ 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]);
+ }
+ }
- while (index-- && baseIndexOf(chrSymbols, strSymbols[index], 0) > -1) {}
- return index;
+ // Put any non-null nodes that donât fit into exit.
+ for (; i < groupLength; ++i) {
+ if (node = group[i]) {
+ exit[i] = node;
+ }
+ }
}
- /**
- * Gets the number of `placeholder` occurrences in `array`.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} placeholder The placeholder to search for.
- * @returns {number} Returns the placeholder count.
- */
- function countHolders(array, placeholder) {
- var length = array.length,
- result = 0;
+ function bindKey(parent, group, enter, update, exit, data, key) {
+ var i,
+ node,
+ nodeByKeyValue = {},
+ groupLength = group.length,
+ dataLength = data.length,
+ keyValues = new Array(groupLength),
+ keyValue;
- while (length--) {
- if (array[length] === placeholder) {
- ++result;
+ // 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;
}
}
- return result;
}
- /**
- * Used by `_.deburr` to convert Latin-1 Supplement and Latin Extended-A
- * letters to basic Latin letters.
- *
- * @private
- * @param {string} letter The matched letter to deburr.
- * @returns {string} Returns the deburred letter.
- */
- var deburrLetter = basePropertyOf(deburredLetters);
+ function selection_data(value, key) {
+ if (!value) {
+ data = new Array(this.size()), j = -1;
+ this.each(function(d) { data[++j] = d; });
+ return data;
+ }
- /**
- * Used by `_.escape` to convert characters to HTML entities.
- *
- * @private
- * @param {string} chr The matched character to escape.
- * @returns {string} Returns the escaped character.
- */
- var escapeHtmlChar = basePropertyOf(htmlEscapes);
+ var bind = key ? bindKey : bindIndex,
+ parents = this._parents,
+ groups = this._groups;
- /**
- * Used by `_.template` to escape characters for inclusion in compiled string literals.
- *
- * @private
- * @param {string} chr The matched character to escape.
- * @returns {string} Returns the escaped character.
- */
- function escapeStringChar(chr) {
- return '\\' + stringEscapes[chr];
+ if (typeof value !== "function") value = constant$1(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;
}
- /**
- * Gets the value at `key` of `object`.
- *
- * @private
- * @param {Object} [object] The object to query.
- * @param {string} key The key of the property to get.
- * @returns {*} Returns the property value.
- */
- function getValue(object, key) {
- return object == null ? undefined : object[key];
+ function selection_exit() {
+ return new Selection(this._exit || this._groups.map(sparse), this._parents);
}
- /**
- * Checks if `string` contains Unicode symbols.
- *
- * @private
- * @param {string} string The string to inspect.
- * @returns {boolean} Returns `true` if a symbol is found, else `false`.
- */
- function hasUnicode(string) {
- return reHasUnicode.test(string);
+ function selection_merge(selection$$1) {
+
+ for (var groups0 = this._groups, groups1 = selection$$1._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);
}
- /**
- * Checks if `string` contains a word composed of Unicode symbols.
- *
- * @private
- * @param {string} string The string to inspect.
- * @returns {boolean} Returns `true` if a word is found, else `false`.
- */
- function hasUnicodeWord(string) {
- return reHasUnicodeWord.test(string);
+ 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 && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
+ next = node;
+ }
+ }
+ }
+
+ return this;
}
- /**
- * Converts `iterator` to an array.
- *
- * @private
- * @param {Object} iterator The iterator to convert.
- * @returns {Array} Returns the converted array.
- */
- function iteratorToArray(iterator) {
- var data,
- result = [];
+ function selection_sort(compare) {
+ if (!compare) compare = ascending$1;
- while (!(data = iterator.next()).done) {
- result.push(data.value);
+ function compareNode(a, b) {
+ return a && b ? compare(a.__data__, b.__data__) : !a - !b;
}
- return result;
+
+ 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();
}
- /**
- * Converts `map` to its key-value pairs.
- *
- * @private
- * @param {Object} map The map to convert.
- * @returns {Array} Returns the key-value pairs.
- */
- function mapToArray(map) {
- var index = -1,
- result = Array(map.size);
+ function ascending$1(a, b) {
+ return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
+ }
- map.forEach(function(value, key) {
- result[++index] = [key, value];
- });
- return result;
+ function selection_call() {
+ var callback = arguments[0];
+ arguments[0] = this;
+ callback.apply(null, arguments);
+ return this;
}
- /**
- * Creates a unary function that invokes `func` with its argument transformed.
- *
- * @private
- * @param {Function} func The function to wrap.
- * @param {Function} transform The argument transform.
- * @returns {Function} Returns the new function.
- */
- function overArg(func, transform) {
- return function(arg) {
- return func(transform(arg));
- };
+ function selection_nodes() {
+ var nodes = new Array(this.size()), i = -1;
+ this.each(function() { nodes[++i] = this; });
+ return nodes;
}
- /**
- * Replaces all `placeholder` elements in `array` with an internal placeholder
- * and returns an array of their indexes.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {*} placeholder The placeholder to replace.
- * @returns {Array} Returns the new array of placeholder indexes.
- */
- function replaceHolders(array, placeholder) {
- var index = -1,
- length = array.length,
- resIndex = 0,
- result = [];
+ function selection_node() {
- while (++index < length) {
- var value = array[index];
- if (value === placeholder || value === PLACEHOLDER) {
- array[index] = PLACEHOLDER;
- result[resIndex++] = index;
+ 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 result;
+
+ return null;
}
- /**
- * Converts `set` to an array of its values.
- *
- * @private
- * @param {Object} set The set to convert.
- * @returns {Array} Returns the values.
- */
- function setToArray(set) {
- var index = -1,
- result = Array(set.size);
+ function selection_size() {
+ var size = 0;
+ this.each(function() { ++size; });
+ return size;
+ }
- set.forEach(function(value) {
- result[++index] = value;
- });
- return result;
+ function selection_empty() {
+ return !this.node();
}
- /**
- * Converts `set` to its value-value pairs.
- *
- * @private
- * @param {Object} set The set to convert.
- * @returns {Array} Returns the value-value pairs.
- */
- function setToPairs(set) {
- var index = -1,
- result = Array(set.size);
+ function selection_each(callback) {
- set.forEach(function(value) {
- result[++index] = [value, value];
- });
- return result;
+ 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;
}
- /**
- * A specialized version of `_.indexOf` which performs strict equality
- * comparisons of values, i.e. `===`.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} fromIndex The index to search from.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
- function strictIndexOf(array, value, fromIndex) {
- var index = fromIndex - 1,
- length = array.length;
+ function attrRemove(name) {
+ return function() {
+ this.removeAttribute(name);
+ };
+ }
- while (++index < length) {
- if (array[index] === value) {
- return index;
- }
- }
- return -1;
+ function attrRemoveNS(fullname) {
+ return function() {
+ this.removeAttributeNS(fullname.space, fullname.local);
+ };
}
- /**
- * A specialized version of `_.lastIndexOf` which performs strict equality
- * comparisons of values, i.e. `===`.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} fromIndex The index to search from.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
- function strictLastIndexOf(array, value, fromIndex) {
- var index = fromIndex + 1;
- while (index--) {
- if (array[index] === value) {
- return index;
- }
- }
- return index;
+ function attrConstant(name, value) {
+ return function() {
+ this.setAttribute(name, value);
+ };
}
- /**
- * Gets the number of symbols in `string`.
- *
- * @private
- * @param {string} string The string to inspect.
- * @returns {number} Returns the string size.
- */
- function stringSize(string) {
- return hasUnicode(string)
- ? unicodeSize(string)
- : asciiSize(string);
+ function attrConstantNS(fullname, value) {
+ return function() {
+ this.setAttributeNS(fullname.space, fullname.local, value);
+ };
}
- /**
- * Converts `string` to an array.
- *
- * @private
- * @param {string} string The string to convert.
- * @returns {Array} Returns the converted array.
- */
- function stringToArray(string) {
- return hasUnicode(string)
- ? unicodeToArray(string)
- : asciiToArray(string);
+ function attrFunction(name, value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ if (v == null) this.removeAttribute(name);
+ else this.setAttribute(name, v);
+ };
}
- /**
- * Used by `_.unescape` to convert HTML entities to characters.
- *
- * @private
- * @param {string} chr The matched character to unescape.
- * @returns {string} Returns the unescaped character.
- */
- var unescapeHtmlChar = basePropertyOf(htmlUnescapes);
+ 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);
+ };
+ }
- /**
- * Gets the size of a Unicode `string`.
- *
- * @private
- * @param {string} string The string inspect.
- * @returns {number} Returns the string size.
- */
- function unicodeSize(string) {
- var result = reUnicode.lastIndex = 0;
- while (reUnicode.test(string)) {
- ++result;
+ 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 result;
- }
- /**
- * Converts a Unicode `string` to an array.
- *
- * @private
- * @param {string} string The string to convert.
- * @returns {Array} Returns the converted array.
- */
- function unicodeToArray(string) {
- return string.match(reUnicode) || [];
+ return this.each((value == null
+ ? (fullname.local ? attrRemoveNS : attrRemove) : (typeof value === "function"
+ ? (fullname.local ? attrFunctionNS : attrFunction)
+ : (fullname.local ? attrConstantNS : attrConstant)))(fullname, value));
}
- /**
- * Splits a Unicode `string` into an array of its words.
- *
- * @private
- * @param {string} The string to inspect.
- * @returns {Array} Returns the words of `string`.
- */
- function unicodeWords(string) {
- return string.match(reUnicodeWord) || [];
+ 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);
+ };
+ }
- /**
- * Create a new pristine `lodash` function using the `context` object.
- *
- * @static
- * @memberOf _
- * @since 1.1.0
- * @category Util
- * @param {Object} [context=root] The context object.
- * @returns {Function} Returns a new `lodash` function.
- * @example
- *
- * _.mixin({ 'foo': _.constant('foo') });
- *
- * var lodash = _.runInContext();
- * lodash.mixin({ 'bar': lodash.constant('bar') });
- *
- * _.isFunction(_.foo);
- * // => true
- * _.isFunction(_.bar);
- * // => false
- *
- * lodash.isFunction(lodash.foo);
- * // => false
- * lodash.isFunction(lodash.bar);
- * // => true
- *
- * // Create a suped-up `defer` in Node.js.
- * var defer = _.runInContext({ 'setTimeout': setImmediate }).defer;
- */
- var runInContext = (function runInContext(context) {
- context = context == null ? root : _.defaults(root.Object(), context, _.pick(root, contextProps));
-
- /** Built-in constructor references. */
- var Array = context.Array,
- Date = context.Date,
- Error = context.Error,
- Function = context.Function,
- Math = context.Math,
- Object = context.Object,
- RegExp = context.RegExp,
- String = context.String,
- TypeError = context.TypeError;
-
- /** Used for built-in method references. */
- var arrayProto = Array.prototype,
- funcProto = Function.prototype,
- objectProto = Object.prototype;
-
- /** Used to detect overreaching core-js shims. */
- var coreJsData = context['__core-js_shared__'];
-
- /** Used to resolve the decompiled source of functions. */
- var funcToString = funcProto.toString;
-
- /** Used to check objects for own properties. */
- var hasOwnProperty = objectProto.hasOwnProperty;
-
- /** Used to generate unique IDs. */
- var idCounter = 0;
-
- /** Used to detect methods masquerading as native. */
- var maskSrcKey = (function() {
- var uid = /[^.]+$/.exec(coreJsData && coreJsData.keys && coreJsData.keys.IE_PROTO || '');
- return uid ? ('Symbol(src)_1.' + uid) : '';
- }());
+ function styleConstant(name, value, priority) {
+ return function() {
+ this.style.setProperty(name, value, priority);
+ };
+ }
- /**
- * Used to resolve the
- * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
- * of values.
- */
- var nativeObjectToString = objectProto.toString;
+ 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);
+ };
+ }
- /** Used to infer the `Object` constructor. */
- var objectCtorString = funcToString.call(Object);
+ 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);
+ }
- /** Used to restore the original `_` reference in `_.noConflict`. */
- var oldDash = root._;
+ function styleValue(node, name) {
+ return node.style.getPropertyValue(name)
+ || defaultView(node).getComputedStyle(node, null).getPropertyValue(name);
+ }
- /** Used to detect if a method is native. */
- var reIsNative = RegExp('^' +
- funcToString.call(hasOwnProperty).replace(reRegExpChar, '\\$&')
- .replace(/hasOwnProperty|(function).*?(?=\\\()| for .+?(?=\\\])/g, '$1.*?') + '$'
- );
+ function propertyRemove(name) {
+ return function() {
+ delete this[name];
+ };
+ }
- /** Built-in value references. */
- var Buffer = moduleExports ? context.Buffer : undefined,
- Symbol = context.Symbol,
- Uint8Array = context.Uint8Array,
- allocUnsafe = Buffer ? Buffer.allocUnsafe : undefined,
- getPrototype = overArg(Object.getPrototypeOf, Object),
- objectCreate = Object.create,
- propertyIsEnumerable = objectProto.propertyIsEnumerable,
- splice = arrayProto.splice,
- spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined,
- symIterator = Symbol ? Symbol.iterator : undefined,
- symToStringTag = Symbol ? Symbol.toStringTag : undefined;
-
- var defineProperty = (function() {
- try {
- var func = getNative(Object, 'defineProperty');
- func({}, '', {});
- return func;
- } catch (e) {}
- }());
-
- /** Mocked built-ins. */
- var ctxClearTimeout = context.clearTimeout !== root.clearTimeout && context.clearTimeout,
- ctxNow = Date && Date.now !== root.Date.now && Date.now,
- ctxSetTimeout = context.setTimeout !== root.setTimeout && context.setTimeout;
-
- /* Built-in method references for those with the same name as other `lodash` methods. */
- var nativeCeil = Math.ceil,
- nativeFloor = Math.floor,
- nativeGetSymbols = Object.getOwnPropertySymbols,
- nativeIsBuffer = Buffer ? Buffer.isBuffer : undefined,
- nativeIsFinite = context.isFinite,
- nativeJoin = arrayProto.join,
- nativeKeys = overArg(Object.keys, Object),
- nativeMax = Math.max,
- nativeMin = Math.min,
- nativeNow = Date.now,
- nativeParseInt = context.parseInt,
- nativeRandom = Math.random,
- nativeReverse = arrayProto.reverse;
-
- /* Built-in method references that are verified to be native. */
- var DataView = getNative(context, 'DataView'),
- Map = getNative(context, 'Map'),
- Promise = getNative(context, 'Promise'),
- Set = getNative(context, 'Set'),
- WeakMap = getNative(context, 'WeakMap'),
- nativeCreate = getNative(Object, 'create');
-
- /** Used to store function metadata. */
- var metaMap = WeakMap && new WeakMap;
-
- /** Used to lookup unminified function names. */
- var realNames = {};
-
- /** Used to detect maps, sets, and weakmaps. */
- var dataViewCtorString = toSource(DataView),
- mapCtorString = toSource(Map),
- promiseCtorString = toSource(Promise),
- setCtorString = toSource(Set),
- weakMapCtorString = toSource(WeakMap);
-
- /** Used to convert symbols to primitives and strings. */
- var symbolProto = Symbol ? Symbol.prototype : undefined,
- symbolValueOf = symbolProto ? symbolProto.valueOf : undefined,
- symbolToString = symbolProto ? symbolProto.toString : undefined;
-
- /*------------------------------------------------------------------------*/
+ function propertyConstant(name, value) {
+ return function() {
+ this[name] = value;
+ };
+ }
- /**
- * Creates a `lodash` object which wraps `value` to enable implicit method
- * chain sequences. Methods that operate on and return arrays, collections,
- * and functions can be chained together. Methods that retrieve a single value
- * or may return a primitive value will automatically end the chain sequence
- * and return the unwrapped value. Otherwise, the value must be unwrapped
- * with `_#value`.
- *
- * Explicit chain sequences, which must be unwrapped with `_#value`, may be
- * enabled using `_.chain`.
- *
- * The execution of chained methods is lazy, that is, it's deferred until
- * `_#value` is implicitly or explicitly called.
- *
- * Lazy evaluation allows several methods to support shortcut fusion.
- * Shortcut fusion is an optimization to merge iteratee calls; this avoids
- * the creation of intermediate arrays and can greatly reduce the number of
- * iteratee executions. Sections of a chain sequence qualify for shortcut
- * fusion if the section is applied to an array of at least `200` elements
- * and any iteratees accept only one argument. The heuristic for whether a
- * section qualifies for shortcut fusion is subject to change.
- *
- * Chaining is supported in custom builds as long as the `_#value` method is
- * directly or indirectly included in the build.
- *
- * In addition to lodash methods, wrappers have `Array` and `String` methods.
- *
- * The wrapper `Array` methods are:
- * `concat`, `join`, `pop`, `push`, `shift`, `sort`, `splice`, and `unshift`
- *
- * The wrapper `String` methods are:
- * `replace` and `split`
- *
- * The wrapper methods that support shortcut fusion are:
- * `at`, `compact`, `drop`, `dropRight`, `dropWhile`, `filter`, `find`,
- * `findLast`, `head`, `initial`, `last`, `map`, `reject`, `reverse`, `slice`,
- * `tail`, `take`, `takeRight`, `takeRightWhile`, `takeWhile`, and `toArray`
- *
- * The chainable wrapper methods are:
- * `after`, `ary`, `assign`, `assignIn`, `assignInWith`, `assignWith`, `at`,
- * `before`, `bind`, `bindAll`, `bindKey`, `castArray`, `chain`, `chunk`,
- * `commit`, `compact`, `concat`, `conforms`, `constant`, `countBy`, `create`,
- * `curry`, `debounce`, `defaults`, `defaultsDeep`, `defer`, `delay`,
- * `difference`, `differenceBy`, `differenceWith`, `drop`, `dropRight`,
- * `dropRightWhile`, `dropWhile`, `extend`, `extendWith`, `fill`, `filter`,
- * `flatMap`, `flatMapDeep`, `flatMapDepth`, `flatten`, `flattenDeep`,
- * `flattenDepth`, `flip`, `flow`, `flowRight`, `fromPairs`, `functions`,
- * `functionsIn`, `groupBy`, `initial`, `intersection`, `intersectionBy`,
- * `intersectionWith`, `invert`, `invertBy`, `invokeMap`, `iteratee`, `keyBy`,
- * `keys`, `keysIn`, `map`, `mapKeys`, `mapValues`, `matches`, `matchesProperty`,
- * `memoize`, `merge`, `mergeWith`, `method`, `methodOf`, `mixin`, `negate`,
- * `nthArg`, `omit`, `omitBy`, `once`, `orderBy`, `over`, `overArgs`,
- * `overEvery`, `overSome`, `partial`, `partialRight`, `partition`, `pick`,
- * `pickBy`, `plant`, `property`, `propertyOf`, `pull`, `pullAll`, `pullAllBy`,
- * `pullAllWith`, `pullAt`, `push`, `range`, `rangeRight`, `rearg`, `reject`,
- * `remove`, `rest`, `reverse`, `sampleSize`, `set`, `setWith`, `shuffle`,
- * `slice`, `sort`, `sortBy`, `splice`, `spread`, `tail`, `take`, `takeRight`,
- * `takeRightWhile`, `takeWhile`, `tap`, `throttle`, `thru`, `toArray`,
- * `toPairs`, `toPairsIn`, `toPath`, `toPlainObject`, `transform`, `unary`,
- * `union`, `unionBy`, `unionWith`, `uniq`, `uniqBy`, `uniqWith`, `unset`,
- * `unshift`, `unzip`, `unzipWith`, `update`, `updateWith`, `values`,
- * `valuesIn`, `without`, `wrap`, `xor`, `xorBy`, `xorWith`, `zip`,
- * `zipObject`, `zipObjectDeep`, and `zipWith`
- *
- * The wrapper methods that are **not** chainable by default are:
- * `add`, `attempt`, `camelCase`, `capitalize`, `ceil`, `clamp`, `clone`,
- * `cloneDeep`, `cloneDeepWith`, `cloneWith`, `conformsTo`, `deburr`,
- * `defaultTo`, `divide`, `each`, `eachRight`, `endsWith`, `eq`, `escape`,
- * `escapeRegExp`, `every`, `find`, `findIndex`, `findKey`, `findLast`,
- * `findLastIndex`, `findLastKey`, `first`, `floor`, `forEach`, `forEachRight`,
- * `forIn`, `forInRight`, `forOwn`, `forOwnRight`, `get`, `gt`, `gte`, `has`,
- * `hasIn`, `head`, `identity`, `includes`, `indexOf`, `inRange`, `invoke`,
- * `isArguments`, `isArray`, `isArrayBuffer`, `isArrayLike`, `isArrayLikeObject`,
- * `isBoolean`, `isBuffer`, `isDate`, `isElement`, `isEmpty`, `isEqual`,
- * `isEqualWith`, `isError`, `isFinite`, `isFunction`, `isInteger`, `isLength`,
- * `isMap`, `isMatch`, `isMatchWith`, `isNaN`, `isNative`, `isNil`, `isNull`,
- * `isNumber`, `isObject`, `isObjectLike`, `isPlainObject`, `isRegExp`,
- * `isSafeInteger`, `isSet`, `isString`, `isUndefined`, `isTypedArray`,
- * `isWeakMap`, `isWeakSet`, `join`, `kebabCase`, `last`, `lastIndexOf`,
- * `lowerCase`, `lowerFirst`, `lt`, `lte`, `max`, `maxBy`, `mean`, `meanBy`,
- * `min`, `minBy`, `multiply`, `noConflict`, `noop`, `now`, `nth`, `pad`,
- * `padEnd`, `padStart`, `parseInt`, `pop`, `random`, `reduce`, `reduceRight`,
- * `repeat`, `result`, `round`, `runInContext`, `sample`, `shift`, `size`,
- * `snakeCase`, `some`, `sortedIndex`, `sortedIndexBy`, `sortedLastIndex`,
- * `sortedLastIndexBy`, `startCase`, `startsWith`, `stubArray`, `stubFalse`,
- * `stubObject`, `stubString`, `stubTrue`, `subtract`, `sum`, `sumBy`,
- * `template`, `times`, `toFinite`, `toInteger`, `toJSON`, `toLength`,
- * `toLower`, `toNumber`, `toSafeInteger`, `toString`, `toUpper`, `trim`,
- * `trimEnd`, `trimStart`, `truncate`, `unescape`, `uniqueId`, `upperCase`,
- * `upperFirst`, `value`, and `words`
- *
- * @name _
- * @constructor
- * @category Seq
- * @param {*} value The value to wrap in a `lodash` instance.
- * @returns {Object} Returns the new `lodash` wrapper instance.
- * @example
- *
- * function square(n) {
- * return n * n;
- * }
- *
- * var wrapped = _([1, 2, 3]);
- *
- * // Returns an unwrapped value.
- * wrapped.reduce(_.add);
- * // => 6
- *
- * // Returns a wrapped value.
- * var squares = wrapped.map(square);
- *
- * _.isArray(squares);
- * // => false
- *
- * _.isArray(squares.value());
- * // => true
- */
- function lodash(value) {
- if (isObjectLike(value) && !isArray(value) && !(value instanceof LazyWrapper)) {
- if (value instanceof LodashWrapper) {
- return value;
- }
- if (hasOwnProperty.call(value, '__wrapped__')) {
- return wrapperClone(value);
- }
- }
- return new LodashWrapper(value);
- }
+ function propertyFunction(name, value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ if (v == null) delete this[name];
+ else this[name] = v;
+ };
+ }
- /**
- * The base implementation of `_.create` without support for assigning
- * properties to the created object.
- *
- * @private
- * @param {Object} proto The object to inherit from.
- * @returns {Object} Returns the new object.
- */
- var baseCreate = (function() {
- function object() {}
- return function(proto) {
- if (!isObject(proto)) {
- return {};
- }
- if (objectCreate) {
- return objectCreate(proto);
- }
- object.prototype = proto;
- var result = new object;
- object.prototype = undefined;
- return result;
- };
- }());
+ function selection_property(name, value) {
+ return arguments.length > 1
+ ? this.each((value == null
+ ? propertyRemove : typeof value === "function"
+ ? propertyFunction
+ : propertyConstant)(name, value))
+ : this.node()[name];
+ }
- /**
- * The function whose prototype chain sequence wrappers inherit from.
- *
- * @private
- */
- function baseLodash() {
- // No operation performed.
- }
+ function classArray(string) {
+ return string.trim().split(/^|\s+/);
+ }
- /**
- * The base constructor for creating `lodash` wrapper objects.
- *
- * @private
- * @param {*} value The value to wrap.
- * @param {boolean} [chainAll] Enable explicit method chain sequences.
- */
- function LodashWrapper(value, chainAll) {
- this.__wrapped__ = value;
- this.__actions__ = [];
- this.__chain__ = !!chainAll;
- this.__index__ = 0;
- this.__values__ = undefined;
- }
+ function classList(node) {
+ return node.classList || new ClassList(node);
+ }
- /**
- * By default, the template delimiters used by lodash are like those in
- * embedded Ruby (ERB). Change the following template settings to use
- * alternative delimiters.
- *
- * @static
- * @memberOf _
- * @type {Object}
- */
- lodash.templateSettings = {
+ function ClassList(node) {
+ this._node = node;
+ this._names = classArray(node.getAttribute("class") || "");
+ }
- /**
- * Used to detect `data` property values to be HTML-escaped.
- *
- * @memberOf _.templateSettings
- * @type {RegExp}
- */
- 'escape': reEscape,
+ 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;
+ }
+ };
- /**
- * Used to detect code to be evaluated.
- *
- * @memberOf _.templateSettings
- * @type {RegExp}
- */
- 'evaluate': reEvaluate,
+ function classedAdd(node, names) {
+ var list = classList(node), i = -1, n = names.length;
+ while (++i < n) list.add(names[i]);
+ }
- /**
- * Used to detect `data` property values to inject.
- *
- * @memberOf _.templateSettings
- * @type {RegExp}
- */
- 'interpolate': reInterpolate,
+ function classedRemove(node, names) {
+ var list = classList(node), i = -1, n = names.length;
+ while (++i < n) list.remove(names[i]);
+ }
- /**
- * Used to reference the data object in the template text.
- *
- * @memberOf _.templateSettings
- * @type {string}
- */
- 'variable': '',
+ function classedTrue(names) {
+ return function() {
+ classedAdd(this, names);
+ };
+ }
- /**
- * Used to import variables into the compiled template.
- *
- * @memberOf _.templateSettings
- * @type {Object}
- */
- 'imports': {
+ function classedFalse(names) {
+ return function() {
+ classedRemove(this, names);
+ };
+ }
- /**
- * A reference to the `lodash` function.
- *
- * @memberOf _.templateSettings.imports
- * @type {Function}
- */
- '_': lodash
- }
+ function classedFunction(names, value) {
+ return function() {
+ (value.apply(this, arguments) ? classedAdd : classedRemove)(this, names);
};
+ }
- // Ensure wrappers are instances of `baseLodash`.
- lodash.prototype = baseLodash.prototype;
- lodash.prototype.constructor = lodash;
+ function selection_classed(name, value) {
+ var names = classArray(name + "");
- LodashWrapper.prototype = baseCreate(baseLodash.prototype);
- LodashWrapper.prototype.constructor = LodashWrapper;
+ 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));
+ }
- /**
- * Creates a lazy wrapper object which wraps `value` to enable lazy evaluation.
- *
- * @private
- * @constructor
- * @param {*} value The value to wrap.
- */
- function LazyWrapper(value) {
- this.__wrapped__ = value;
- this.__actions__ = [];
- this.__dir__ = 1;
- this.__filtered__ = false;
- this.__iteratees__ = [];
- this.__takeCount__ = MAX_ARRAY_LENGTH;
- this.__views__ = [];
- }
+ function textRemove() {
+ this.textContent = "";
+ }
- /**
- * Creates a clone of the lazy wrapper object.
- *
- * @private
- * @name clone
- * @memberOf LazyWrapper
- * @returns {Object} Returns the cloned `LazyWrapper` object.
- */
- function lazyClone() {
- var result = new LazyWrapper(this.__wrapped__);
- result.__actions__ = copyArray(this.__actions__);
- result.__dir__ = this.__dir__;
- result.__filtered__ = this.__filtered__;
- result.__iteratees__ = copyArray(this.__iteratees__);
- result.__takeCount__ = this.__takeCount__;
- result.__views__ = copyArray(this.__views__);
- return result;
- }
+ function textConstant(value) {
+ return function() {
+ this.textContent = value;
+ };
+ }
- /**
- * Reverses the direction of lazy iteration.
- *
- * @private
- * @name reverse
- * @memberOf LazyWrapper
- * @returns {Object} Returns the new reversed `LazyWrapper` object.
- */
- function lazyReverse() {
- if (this.__filtered__) {
- var result = new LazyWrapper(this);
- result.__dir__ = -1;
- result.__filtered__ = true;
- } else {
- result = this.clone();
- result.__dir__ *= -1;
- }
- return result;
- }
+ function textFunction(value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ this.textContent = v == null ? "" : v;
+ };
+ }
- /**
- * Extracts the unwrapped value from its lazy wrapper.
- *
- * @private
- * @name value
- * @memberOf LazyWrapper
- * @returns {*} Returns the unwrapped value.
- */
- function lazyValue() {
- var array = this.__wrapped__.value(),
- dir = this.__dir__,
- isArr = isArray(array),
- isRight = dir < 0,
- arrLength = isArr ? array.length : 0,
- view = getView(0, arrLength, this.__views__),
- start = view.start,
- end = view.end,
- length = end - start,
- index = isRight ? end : (start - 1),
- iteratees = this.__iteratees__,
- iterLength = iteratees.length,
- resIndex = 0,
- takeCount = nativeMin(length, this.__takeCount__);
-
- if (!isArr || arrLength < LARGE_ARRAY_SIZE ||
- (arrLength == length && takeCount == length)) {
- return baseWrapperValue(array, this.__actions__);
- }
- var result = [];
+ function selection_text(value) {
+ return arguments.length
+ ? this.each(value == null
+ ? textRemove : (typeof value === "function"
+ ? textFunction
+ : textConstant)(value))
+ : this.node().textContent;
+ }
- outer:
- while (length-- && resIndex < takeCount) {
- index += dir;
+ function htmlRemove() {
+ this.innerHTML = "";
+ }
- var iterIndex = -1,
- value = array[index];
+ function htmlConstant(value) {
+ return function() {
+ this.innerHTML = value;
+ };
+ }
- while (++iterIndex < iterLength) {
- var data = iteratees[iterIndex],
- iteratee = data.iteratee,
- type = data.type,
- computed = iteratee(value);
+ function htmlFunction(value) {
+ return function() {
+ var v = value.apply(this, arguments);
+ this.innerHTML = v == null ? "" : v;
+ };
+ }
- if (type == LAZY_MAP_FLAG) {
- value = computed;
- } else if (!computed) {
- if (type == LAZY_FILTER_FLAG) {
- continue outer;
- } else {
- break outer;
- }
- }
- }
- result[resIndex++] = value;
- }
- return result;
- }
+ function selection_html(value) {
+ return arguments.length
+ ? this.each(value == null
+ ? htmlRemove : (typeof value === "function"
+ ? htmlFunction
+ : htmlConstant)(value))
+ : this.node().innerHTML;
+ }
- // Ensure `LazyWrapper` is an instance of `baseLodash`.
- LazyWrapper.prototype = baseCreate(baseLodash.prototype);
- LazyWrapper.prototype.constructor = LazyWrapper;
+ function raise() {
+ if (this.nextSibling) this.parentNode.appendChild(this);
+ }
- /*------------------------------------------------------------------------*/
+ function selection_raise() {
+ return this.each(raise);
+ }
- /**
- * Creates a hash object.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
- function Hash(entries) {
- var index = -1,
- length = entries == null ? 0 : entries.length;
+ function lower() {
+ if (this.previousSibling) this.parentNode.insertBefore(this, this.parentNode.firstChild);
+ }
- this.clear();
- while (++index < length) {
- var entry = entries[index];
- this.set(entry[0], entry[1]);
- }
- }
+ function selection_lower() {
+ return this.each(lower);
+ }
- /**
- * Removes all key-value entries from the hash.
- *
- * @private
- * @name clear
- * @memberOf Hash
- */
- function hashClear() {
- this.__data__ = nativeCreate ? nativeCreate(null) : {};
- this.size = 0;
- }
+ function selection_append(name) {
+ var create = typeof name === "function" ? name : creator(name);
+ return this.select(function() {
+ return this.appendChild(create.apply(this, arguments));
+ });
+ }
- /**
- * Removes `key` and its value from the hash.
- *
- * @private
- * @name delete
- * @memberOf Hash
- * @param {Object} hash The hash to modify.
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
- function hashDelete(key) {
- var result = this.has(key) && delete this.__data__[key];
- this.size -= result ? 1 : 0;
- return result;
- }
+ function constantNull() {
+ return null;
+ }
- /**
- * Gets the hash value for `key`.
- *
- * @private
- * @name get
- * @memberOf Hash
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
- function hashGet(key) {
- var data = this.__data__;
- if (nativeCreate) {
- var result = data[key];
- return result === HASH_UNDEFINED ? undefined : result;
- }
- return hasOwnProperty.call(data, key) ? data[key] : undefined;
- }
+ 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);
+ });
+ }
- /**
- * Checks if a hash value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf Hash
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
- function hashHas(key) {
- var data = this.__data__;
- return nativeCreate ? data[key] !== undefined : hasOwnProperty.call(data, key);
- }
+ function remove() {
+ var parent = this.parentNode;
+ if (parent) parent.removeChild(this);
+ }
- /**
- * Sets the hash `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf Hash
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the hash instance.
- */
- function hashSet(key, value) {
- var data = this.__data__;
- this.size += this.has(key) ? 0 : 1;
- data[key] = (nativeCreate && value === undefined) ? HASH_UNDEFINED : value;
- return this;
- }
+ function selection_remove() {
+ return this.each(remove);
+ }
- // Add methods to `Hash`.
- Hash.prototype.clear = hashClear;
- Hash.prototype['delete'] = hashDelete;
- Hash.prototype.get = hashGet;
- Hash.prototype.has = hashHas;
- Hash.prototype.set = hashSet;
+ function selection_cloneShallow() {
+ return this.parentNode.insertBefore(this.cloneNode(false), this.nextSibling);
+ }
- /*------------------------------------------------------------------------*/
+ function selection_cloneDeep() {
+ return this.parentNode.insertBefore(this.cloneNode(true), this.nextSibling);
+ }
- /**
- * Creates an list cache object.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
- function ListCache(entries) {
- var index = -1,
- length = entries == null ? 0 : entries.length;
+ function selection_clone(deep) {
+ return this.select(deep ? selection_cloneDeep : selection_cloneShallow);
+ }
- this.clear();
- while (++index < length) {
- var entry = entries[index];
- this.set(entry[0], entry[1]);
- }
- }
+ function selection_datum(value) {
+ return arguments.length
+ ? this.property("__data__", value)
+ : this.node().__data__;
+ }
- /**
- * Removes all key-value entries from the list cache.
- *
- * @private
- * @name clear
- * @memberOf ListCache
- */
- function listCacheClear() {
- this.__data__ = [];
- this.size = 0;
+ var filterEvents = {};
+
+ var event = null;
+
+ if (typeof document !== "undefined") {
+ var element$1 = document.documentElement;
+ if (!("onmouseenter" in element$1)) {
+ filterEvents = {mouseenter: "mouseover", mouseleave: "mouseout"};
}
+ }
- /**
- * Removes `key` and its value from the list cache.
- *
- * @private
- * @name delete
- * @memberOf ListCache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
- function listCacheDelete(key) {
- var data = this.__data__,
- index = assocIndexOf(data, key);
+ 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);
+ }
+ };
+ }
- if (index < 0) {
- return false;
+ 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;
}
- var lastIndex = data.length - 1;
- if (index == lastIndex) {
- data.pop();
- } else {
- splice.call(data, index, 1);
+ };
+ }
+
+ 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;
+ }
}
- --this.size;
- return true;
- }
+ if (++i) on.length = i;
+ else delete this.__on;
+ };
+ }
- /**
- * Gets the list cache value for `key`.
- *
- * @private
- * @name get
- * @memberOf ListCache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
- function listCacheGet(key) {
- var data = this.__data__,
- index = assocIndexOf(data, key);
+ 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);
+ };
+ }
- return index < 0 ? undefined : data[index][1];
+ 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;
}
- /**
- * Checks if a list cache value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf ListCache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
- function listCacheHas(key) {
- return assocIndexOf(this.__data__, key) > -1;
+ 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;
}
+ }
- /**
- * Sets the list cache `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf ListCache
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the list cache instance.
- */
- function listCacheSet(key, value) {
- var data = this.__data__,
- index = assocIndexOf(data, key);
+ function dispatchEvent(node, type, params) {
+ var window = defaultView(node),
+ event = window.CustomEvent;
- if (index < 0) {
- ++this.size;
- data.push([key, value]);
- } else {
- data[index][1] = value;
- }
- return this;
+ 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);
}
- // Add methods to `ListCache`.
- ListCache.prototype.clear = listCacheClear;
- ListCache.prototype['delete'] = listCacheDelete;
- ListCache.prototype.get = listCacheGet;
- ListCache.prototype.has = listCacheHas;
- ListCache.prototype.set = listCacheSet;
+ node.dispatchEvent(event);
+ }
- /*------------------------------------------------------------------------*/
+ function dispatchConstant(type, params) {
+ return function() {
+ return dispatchEvent(this, type, params);
+ };
+ }
- /**
- * Creates a map cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
- function MapCache(entries) {
- var index = -1,
- length = entries == null ? 0 : entries.length;
+ 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 = [null];
+
+ function Selection(groups, parents) {
+ this._groups = groups;
+ this._parents = parents;
+ }
+
+ function selection() {
+ return new Selection([[document.documentElement]], root);
+ }
+
+ Selection.prototype = selection.prototype = {
+ constructor: Selection,
+ select: selection_select,
+ selectAll: selection_selectAll,
+ filter: selection_filter,
+ data: selection_data,
+ enter: selection_enter,
+ exit: selection_exit,
+ 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
+ };
- this.clear();
- while (++index < length) {
- var entry = entries[index];
- this.set(entry[0], entry[1]);
- }
- }
+ function select(selector) {
+ return typeof selector === "string"
+ ? new Selection([[document.querySelector(selector)]], [document.documentElement])
+ : new Selection([[selector]], root);
+ }
- /**
- * Removes all key-value entries from the map.
- *
- * @private
- * @name clear
- * @memberOf MapCache
- */
- function mapCacheClear() {
- this.size = 0;
- this.__data__ = {
- 'hash': new Hash,
- 'map': new (Map || ListCache),
- 'string': new Hash
- };
- }
+ function create(name) {
+ return select(creator(name).call(document.documentElement));
+ }
- /**
- * Removes `key` and its value from the map.
- *
- * @private
- * @name delete
- * @memberOf MapCache
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
- function mapCacheDelete(key) {
- var result = getMapData(this, key)['delete'](key);
- this.size -= result ? 1 : 0;
- return result;
- }
+ var nextId = 0;
- /**
- * Gets the map value for `key`.
- *
- * @private
- * @name get
- * @memberOf MapCache
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
- function mapCacheGet(key) {
- return getMapData(this, key).get(key);
- }
+ function local() {
+ return new Local;
+ }
- /**
- * Checks if a map value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf MapCache
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
- function mapCacheHas(key) {
- return getMapData(this, key).has(key);
+ function Local() {
+ this._ = "@" + (++nextId).toString(36);
+ }
+
+ Local.prototype = local.prototype = {
+ constructor: Local,
+ get: function(node) {
+ var id = this._;
+ while (!(id in node)) if (!(node = node.parentNode)) return;
+ return node[id];
+ },
+ set: function(node, value) {
+ return node[this._] = value;
+ },
+ remove: function(node) {
+ return this._ in node && delete node[this._];
+ },
+ toString: function() {
+ return this._;
}
+ };
- /**
- * Sets the map `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf MapCache
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the map cache instance.
- */
- function mapCacheSet(key, value) {
- var data = getMapData(this, key),
- size = data.size;
+ function sourceEvent() {
+ var current = event, source;
+ while (source = current.sourceEvent) current = source;
+ return current;
+ }
- data.set(key, value);
- this.size += data.size == size ? 0 : 1;
- return this;
+ 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];
}
- // Add methods to `MapCache`.
- MapCache.prototype.clear = mapCacheClear;
- MapCache.prototype['delete'] = mapCacheDelete;
- MapCache.prototype.get = mapCacheGet;
- MapCache.prototype.has = mapCacheHas;
- MapCache.prototype.set = mapCacheSet;
+ 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 d3_selectAll(selector) {
+ return typeof selector === "string"
+ ? new Selection([document.querySelectorAll(selector)], [document.documentElement])
+ : new Selection([selector == null ? [] : selector], root);
+ }
- /**
- *
- * Creates an array cache object to store unique values.
- *
- * @private
- * @constructor
- * @param {Array} [values] The values to cache.
- */
- function SetCache(values) {
- var index = -1,
- length = values == null ? 0 : values.length;
+ function touch(node, touches, identifier) {
+ if (arguments.length < 3) identifier = touches, touches = sourceEvent().changedTouches;
- this.__data__ = new MapCache;
- while (++index < length) {
- this.add(values[index]);
+ for (var i = 0, n = touches ? touches.length : 0, touch; i < n; ++i) {
+ if ((touch = touches[i]).identifier === identifier) {
+ return point(node, touch);
}
}
- /**
- * Adds `value` to the array cache.
- *
- * @private
- * @name add
- * @memberOf SetCache
- * @alias push
- * @param {*} value The value to cache.
- * @returns {Object} Returns the cache instance.
- */
- function setCacheAdd(value) {
- this.__data__.set(value, HASH_UNDEFINED);
- return this;
- }
+ return null;
+ }
- /**
- * Checks if `value` is in the array cache.
- *
- * @private
- * @name has
- * @memberOf SetCache
- * @param {*} value The value to search for.
- * @returns {number} Returns `true` if `value` is found, else `false`.
- */
- function setCacheHas(value) {
- return this.__data__.has(value);
+ function d3_touches(node, touches) {
+ if (touches == null) touches = sourceEvent().touches;
+
+ for (var i = 0, n = touches ? touches.length : 0, points = new Array(n); i < n; ++i) {
+ points[i] = point(node, touches[i]);
}
- // Add methods to `SetCache`.
- SetCache.prototype.add = SetCache.prototype.push = setCacheAdd;
- SetCache.prototype.has = setCacheHas;
+ return points;
+ }
+
+ function nopropagation() {
+ event.stopImmediatePropagation();
+ }
- /*------------------------------------------------------------------------*/
+ function noevent() {
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ }
- /**
- * Creates a stack cache object to store key-value pairs.
- *
- * @private
- * @constructor
- * @param {Array} [entries] The key-value pairs to cache.
- */
- function Stack(entries) {
- var data = this.__data__ = new ListCache(entries);
- this.size = data.size;
+ function dragDisable(view) {
+ var root = view.document.documentElement,
+ selection$$1 = select(view).on("dragstart.drag", noevent, true);
+ if ("onselectstart" in root) {
+ selection$$1.on("selectstart.drag", noevent, true);
+ } else {
+ root.__noselect = root.style.MozUserSelect;
+ root.style.MozUserSelect = "none";
}
+ }
- /**
- * Removes all key-value entries from the stack.
- *
- * @private
- * @name clear
- * @memberOf Stack
- */
- function stackClear() {
- this.__data__ = new ListCache;
- this.size = 0;
+ function yesdrag(view, noclick) {
+ var root = view.document.documentElement,
+ selection$$1 = select(view).on("dragstart.drag", null);
+ if (noclick) {
+ selection$$1.on("click.drag", noevent, true);
+ setTimeout(function() { selection$$1.on("click.drag", null); }, 0);
+ }
+ if ("onselectstart" in root) {
+ selection$$1.on("selectstart.drag", null);
+ } else {
+ root.style.MozUserSelect = root.__noselect;
+ delete root.__noselect;
}
+ }
- /**
- * Removes `key` and its value from the stack.
- *
- * @private
- * @name delete
- * @memberOf Stack
- * @param {string} key The key of the value to remove.
- * @returns {boolean} Returns `true` if the entry was removed, else `false`.
- */
- function stackDelete(key) {
- var data = this.__data__,
- result = data['delete'](key);
+ function constant$2(x) {
+ return function() {
+ return x;
+ };
+ }
- this.size = data.size;
- return result;
- }
+ 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;
+ }
- /**
- * Gets the stack value for `key`.
- *
- * @private
- * @name get
- * @memberOf Stack
- * @param {string} key The key of the value to get.
- * @returns {*} Returns the entry value.
- */
- function stackGet(key) {
- return this.__data__.get(key);
- }
+ DragEvent.prototype.on = function() {
+ var value = this._.on.apply(this._, arguments);
+ return value === this._ ? this : value;
+ };
- /**
- * Checks if a stack value for `key` exists.
- *
- * @private
- * @name has
- * @memberOf Stack
- * @param {string} key The key of the entry to check.
- * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
- */
- function stackHas(key) {
- return this.__data__.has(key);
- }
+ // Ignore right-click, since that should open the context menu.
+ function defaultFilter() {
+ return !event.button;
+ }
- /**
- * Sets the stack `key` to `value`.
- *
- * @private
- * @name set
- * @memberOf Stack
- * @param {string} key The key of the value to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns the stack cache instance.
- */
- function stackSet(key, value) {
- var data = this.__data__;
- if (data instanceof ListCache) {
- var pairs = data.__data__;
- if (!Map || (pairs.length < LARGE_ARRAY_SIZE - 1)) {
- pairs.push([key, value]);
- this.size = ++data.size;
- return this;
- }
- data = this.__data__ = new MapCache(pairs);
- }
- data.set(key, value);
- this.size = data.size;
- return this;
- }
-
- // Add methods to `Stack`.
- Stack.prototype.clear = stackClear;
- Stack.prototype['delete'] = stackDelete;
- Stack.prototype.get = stackGet;
- Stack.prototype.has = stackHas;
- Stack.prototype.set = stackSet;
+ function defaultContainer() {
+ return this.parentNode;
+ }
- /*------------------------------------------------------------------------*/
+ function defaultSubject(d) {
+ return d == null ? {x: event.x, y: event.y} : d;
+ }
- /**
- * Creates an array of the enumerable property names of the array-like `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @param {boolean} inherited Specify returning inherited property names.
- * @returns {Array} Returns the array of property names.
- */
- function arrayLikeKeys(value, inherited) {
- var isArr = isArray(value),
- isArg = !isArr && isArguments(value),
- isBuff = !isArr && !isArg && isBuffer(value),
- isType = !isArr && !isArg && !isBuff && isTypedArray(value),
- skipIndexes = isArr || isArg || isBuff || isType,
- result = skipIndexes ? baseTimes(value.length, String) : [],
- length = result.length;
-
- for (var key in value) {
- if ((inherited || hasOwnProperty.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(key, length)
- ))) {
- result.push(key);
- }
- }
- return result;
- }
+ function defaultTouchable() {
+ return "ontouchstart" in this;
+ }
- /**
- * A specialized version of `_.sample` for arrays.
- *
- * @private
- * @param {Array} array The array to sample.
- * @returns {*} Returns the random element.
- */
- function arraySample(array) {
- var length = array.length;
- return length ? array[baseRandom(0, length - 1)] : undefined;
- }
+ 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;
- /**
- * A specialized version of `_.sampleSize` for arrays.
- *
- * @private
- * @param {Array} array The array to sample.
- * @param {number} n The number of elements to sample.
- * @returns {Array} Returns the random elements.
- */
- function arraySampleSize(array, n) {
- return shuffleSelf(copyArray(array), baseClamp(n, 0, array.length));
+ function drag(selection$$1) {
+ selection$$1
+ .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)");
}
- /**
- * A specialized version of `_.shuffle` for arrays.
- *
- * @private
- * @param {Array} array The array to shuffle.
- * @returns {Array} Returns the new shuffled array.
- */
- function arrayShuffle(array) {
- return shuffleSelf(copyArray(array));
+ 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");
}
- /**
- * Used by `_.defaults` to customize its `_.assignIn` use.
- *
- * @private
- * @param {*} objValue The destination value.
- * @param {*} srcValue The source value.
- * @param {string} key The key of the property to assign.
- * @param {Object} object The parent object of `objValue`.
- * @returns {*} Returns the value to assign.
- */
- function assignInDefaults(objValue, srcValue, key, object) {
- if (objValue === undefined ||
- (eq(objValue, objectProto[key]) && !hasOwnProperty.call(object, key))) {
- return srcValue;
+ function mousemoved() {
+ noevent();
+ if (!mousemoving) {
+ var dx = event.clientX - mousedownx, dy = event.clientY - mousedowny;
+ mousemoving = dx * dx + dy * dy > clickDistance2;
}
- return objValue;
+ gestures.mouse("drag");
}
- /**
- * This function is like `assignValue` except that it doesn't assign
- * `undefined` values.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {string} key The key of the property to assign.
- * @param {*} value The value to assign.
- */
- function assignMergeValue(object, key, value) {
- if ((value !== undefined && !eq(object[key], value)) ||
- (value === undefined && !(key in object))) {
- baseAssignValue(object, key, value);
- }
+ function mouseupped() {
+ select(event.view).on("mousemove.drag mouseup.drag", null);
+ yesdrag(event.view, mousemoving);
+ noevent();
+ gestures.mouse("end");
}
- /**
- * Assigns `value` to `key` of `object` if the existing value is not equivalent
- * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {string} key The key of the property to assign.
- * @param {*} value The value to assign.
- */
- function assignValue(object, key, value) {
- var objValue = object[key];
- if (!(hasOwnProperty.call(object, key) && eq(objValue, value)) ||
- (value === undefined && !(key in object))) {
- baseAssignValue(object, key, value);
- }
- }
+ function touchstarted() {
+ if (!filter.apply(this, arguments)) return;
+ var touches = event.changedTouches,
+ c = container.apply(this, arguments),
+ n = touches.length, i, gesture;
- /**
- * Gets the index at which the `key` is found in `array` of key-value pairs.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {*} key The key to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- */
- function assocIndexOf(array, key) {
- var length = array.length;
- while (length--) {
- if (eq(array[length][0], key)) {
- return length;
+ for (i = 0; i < n; ++i) {
+ if (gesture = beforestart(touches[i].identifier, c, touch, this, arguments)) {
+ nopropagation();
+ gesture("start");
}
}
- return -1;
- }
-
- /**
- * Aggregates elements of `collection` on `accumulator` with keys transformed
- * by `iteratee` and values set by `setter`.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} setter The function to set `accumulator` values.
- * @param {Function} iteratee The iteratee to transform keys.
- * @param {Object} accumulator The initial aggregated object.
- * @returns {Function} Returns `accumulator`.
- */
- function baseAggregator(collection, setter, iteratee, accumulator) {
- baseEach(collection, function(value, key, collection) {
- setter(accumulator, value, iteratee(value), collection);
- });
- return accumulator;
}
- /**
- * The base implementation of `_.assign` without support for multiple sources
- * or `customizer` functions.
- *
- * @private
- * @param {Object} object The destination object.
- * @param {Object} source The source object.
- * @returns {Object} Returns `object`.
- */
- function baseAssign(object, source) {
- return object && copyObject(source, keys(source), object);
- }
-
- /**
- * The base implementation of `_.assignIn` without support for multiple sources
- * or `customizer` functions.
- *
- * @private
- * @param {Object} object The destination object.
- * @param {Object} source The source object.
- * @returns {Object} Returns `object`.
- */
- function baseAssignIn(object, source) {
- return object && copyObject(source, keysIn(source), object);
- }
+ function touchmoved() {
+ var touches = event.changedTouches,
+ n = touches.length, i, gesture;
- /**
- * The base implementation of `assignValue` and `assignMergeValue` without
- * value checks.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {string} key The key of the property to assign.
- * @param {*} value The value to assign.
- */
- function baseAssignValue(object, key, value) {
- if (key == '__proto__' && defineProperty) {
- defineProperty(object, key, {
- 'configurable': true,
- 'enumerable': true,
- 'value': value,
- 'writable': true
- });
- } else {
- object[key] = value;
+ for (i = 0; i < n; ++i) {
+ if (gesture = gestures[touches[i].identifier]) {
+ noevent();
+ gesture("drag");
+ }
}
}
- /**
- * The base implementation of `_.at` without support for individual paths.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {string[]} paths The property paths to pick.
- * @returns {Array} Returns the picked elements.
- */
- function baseAt(object, paths) {
- var index = -1,
- length = paths.length,
- result = Array(length),
- skip = object == null;
-
- while (++index < length) {
- result[index] = skip ? undefined : get(object, paths[index]);
- }
- return result;
- }
+ function touchended() {
+ var touches = event.changedTouches,
+ n = touches.length, i, gesture;
- /**
- * The base implementation of `_.clamp` which doesn't coerce arguments.
- *
- * @private
- * @param {number} number The number to clamp.
- * @param {number} [lower] The lower bound.
- * @param {number} upper The upper bound.
- * @returns {number} Returns the clamped number.
- */
- function baseClamp(number, lower, upper) {
- if (number === number) {
- if (upper !== undefined) {
- number = number <= upper ? number : upper;
- }
- if (lower !== undefined) {
- number = number >= lower ? number : lower;
+ 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");
}
}
- return number;
}
- /**
- * The base implementation of `_.clone` and `_.cloneDeep` which tracks
- * traversed objects.
- *
- * @private
- * @param {*} value The value to clone.
- * @param {boolean} bitmask The bitmask flags.
- * 1 - Deep clone
- * 2 - Flatten inherited properties
- * 4 - Clone symbols
- * @param {Function} [customizer] The function to customize cloning.
- * @param {string} [key] The key of `value`.
- * @param {Object} [object] The parent object of `value`.
- * @param {Object} [stack] Tracks traversed objects and their clone counterparts.
- * @returns {*} Returns the cloned value.
- */
- function baseClone(value, bitmask, customizer, key, object, stack) {
- var result,
- isDeep = bitmask & CLONE_DEEP_FLAG,
- isFlat = bitmask & CLONE_FLAT_FLAG,
- isFull = bitmask & CLONE_SYMBOLS_FLAG;
-
- if (customizer) {
- result = object ? customizer(value, key, object, stack) : customizer(value);
- }
- if (result !== undefined) {
- return result;
- }
- if (!isObject(value)) {
- return value;
- }
- var isArr = isArray(value);
- if (isArr) {
- result = initCloneArray(value);
- if (!isDeep) {
- return copyArray(value, result);
- }
- } else {
- var tag = getTag(value),
- isFunc = tag == funcTag || tag == genTag;
-
- if (isBuffer(value)) {
- return cloneBuffer(value, isDeep);
- }
- if (tag == objectTag || tag == argsTag || (isFunc && !object)) {
- result = (isFlat || isFunc) ? {} : initCloneObject(value);
- if (!isDeep) {
- return isFlat
- ? copySymbolsIn(value, baseAssignIn(result, value))
- : copySymbols(value, baseAssign(result, value));
- }
- } else {
- if (!cloneableTags[tag]) {
- return object ? value : {};
- }
- result = initCloneByTag(value, tag, baseClone, isDeep);
- }
- }
- // Check for circular references and return its corresponding clone.
- stack || (stack = new Stack);
- var stacked = stack.get(value);
- if (stacked) {
- return stacked;
- }
- stack.set(value, result);
+ function beforestart(id, container, point$$1, that, args) {
+ var p = point$$1(container, id), s, dx, dy,
+ sublisteners = listeners.copy();
- var keysFunc = isFull
- ? (isFlat ? getAllKeysIn : getAllKeys)
- : (isFlat ? keysIn : keys);
+ 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;
- var props = isArr ? undefined : keysFunc(value);
- arrayEach(props || value, function(subValue, key) {
- if (props) {
- key = subValue;
- subValue = value[key];
+ 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$$1(container, id), n = active; break;
}
- // Recursively populate clone (susceptible to call stack limits).
- assignValue(result, key, baseClone(subValue, bitmask, customizer, key, value, stack));
- });
- return result;
- }
-
- /**
- * The base implementation of `_.conforms` which doesn't clone `source`.
- *
- * @private
- * @param {Object} source The object of property predicates to conform to.
- * @returns {Function} Returns the new spec function.
- */
- function baseConforms(source) {
- var props = keys(source);
- return function(object) {
- return baseConformsTo(object, source, props);
+ 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]);
};
}
- /**
- * The base implementation of `_.conformsTo` which accepts `props` to check.
- *
- * @private
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property predicates to conform to.
- * @returns {boolean} Returns `true` if `object` conforms, else `false`.
- */
- function baseConformsTo(object, source, props) {
- var length = props.length;
- if (object == null) {
- return !length;
- }
- object = Object(object);
- while (length--) {
- var key = props[length],
- predicate = source[key],
- value = object[key];
+ drag.filter = function(_) {
+ return arguments.length ? (filter = typeof _ === "function" ? _ : constant$2(!!_), drag) : filter;
+ };
+
+ drag.container = function(_) {
+ return arguments.length ? (container = typeof _ === "function" ? _ : constant$2(_), drag) : container;
+ };
+
+ drag.subject = function(_) {
+ return arguments.length ? (subject = typeof _ === "function" ? _ : constant$2(_), drag) : subject;
+ };
+
+ drag.touchable = function(_) {
+ return arguments.length ? (touchable = typeof _ === "function" ? _ : constant$2(!!_), 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(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*",
+ reHex3 = /^#([0-9a-f]{3})$/,
+ reHex6 = /^#([0-9a-f]{6})$/,
+ 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
+ };
- if ((value === undefined && !(key in object)) || !predicate(value)) {
- return false;
- }
- }
- return true;
+ define(Color, color, {
+ displayable: function() {
+ return this.rgb().displayable();
+ },
+ toString: function() {
+ return this.rgb() + "";
}
+ });
- /**
- * The base implementation of `_.delay` and `_.defer` which accepts `args`
- * to provide to `func`.
- *
- * @private
- * @param {Function} func The function to delay.
- * @param {number} wait The number of milliseconds to delay invocation.
- * @param {Array} args The arguments to provide to `func`.
- * @returns {number|Object} Returns the timer id or timeout object.
- */
- function baseDelay(func, wait, args) {
- if (typeof func != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- return setTimeout(function() { func.apply(undefined, args); }, wait);
- }
+ function color(format) {
+ var m;
+ format = (format + "").trim().toLowerCase();
+ return (m = reHex3.exec(format)) ? (m = parseInt(m[1], 16), new Rgb((m >> 8 & 0xf) | (m >> 4 & 0x0f0), (m >> 4 & 0xf) | (m & 0xf0), ((m & 0xf) << 4) | (m & 0xf), 1)) // #f00
+ : (m = reHex6.exec(format)) ? rgbn(parseInt(m[1], 16)) // #ff0000
+ : (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])
+ : format === "transparent" ? new Rgb(NaN, NaN, NaN, 0)
+ : null;
+ }
- /**
- * The base implementation of methods like `_.difference` without support
- * for excluding multiple arrays or iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {Array} values The values to exclude.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of filtered values.
- */
- function baseDifference(array, values, iteratee, comparator) {
- var index = -1,
- includes = arrayIncludes,
- isCommon = true,
- length = array.length,
- result = [],
- valuesLength = values.length;
+ function rgbn(n) {
+ return new Rgb(n >> 16 & 0xff, n >> 8 & 0xff, n & 0xff, 1);
+ }
- if (!length) {
- return result;
- }
- if (iteratee) {
- values = arrayMap(values, baseUnary(iteratee));
- }
- if (comparator) {
- includes = arrayIncludesWith;
- isCommon = false;
- }
- else if (values.length >= LARGE_ARRAY_SIZE) {
- includes = cacheHas;
- isCommon = false;
- values = new SetCache(values);
- }
- outer:
- while (++index < length) {
- var value = array[index],
- computed = iteratee == null ? value : iteratee(value);
-
- value = (comparator || value !== 0) ? value : 0;
- if (isCommon && computed === computed) {
- var valuesIndex = valuesLength;
- while (valuesIndex--) {
- if (values[valuesIndex] === computed) {
- continue outer;
- }
- }
- result.push(value);
- }
- else if (!includes(values, computed, comparator)) {
- result.push(value);
- }
- }
- return result;
- }
+ function rgba(r, g, b, a) {
+ if (a <= 0) r = g = b = NaN;
+ return new Rgb(r, g, b, a);
+ }
- /**
- * The base implementation of `_.forEach` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- */
- var baseEach = createBaseEach(baseForOwn);
+ 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);
+ }
- /**
- * The base implementation of `_.forEachRight` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- */
- var baseEachRight = createBaseEach(baseForOwnRight, true);
+ function rgb(r, g, b, opacity) {
+ return arguments.length === 1 ? rgbConvert(r) : new Rgb(r, g, b, opacity == null ? 1 : opacity);
+ }
- /**
- * The base implementation of `_.every` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {boolean} Returns `true` if all elements pass the predicate check,
- * else `false`
- */
- function baseEvery(collection, predicate) {
- var result = true;
- baseEach(collection, function(value, index, collection) {
- result = !!predicate(value, index, collection);
- return result;
- });
- return result;
+ function Rgb(r, g, b, opacity) {
+ this.r = +r;
+ this.g = +g;
+ this.b = +b;
+ this.opacity = +opacity;
+ }
+
+ define(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 <= this.r && this.r <= 255)
+ && (0 <= this.g && this.g <= 255)
+ && (0 <= this.b && this.b <= 255)
+ && (0 <= this.opacity && this.opacity <= 1);
+ },
+ toString: function() {
+ 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 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);
+ }
- /**
- * The base implementation of methods like `_.max` and `_.min` which accepts a
- * `comparator` to determine the extremum value.
- *
- * @private
- * @param {Array} array The array to iterate over.
- * @param {Function} iteratee The iteratee invoked per iteration.
- * @param {Function} comparator The comparator used to compare values.
- * @returns {*} Returns the extremum value.
- */
- function baseExtremum(array, iteratee, comparator) {
- var index = -1,
- length = array.length;
+ function hsl(h, s, l, opacity) {
+ return arguments.length === 1 ? hslConvert(h) : new Hsl(h, s, l, opacity == null ? 1 : opacity);
+ }
- while (++index < length) {
- var value = array[index],
- current = iteratee(value);
+ function Hsl(h, s, l, opacity) {
+ this.h = +h;
+ this.s = +s;
+ this.l = +l;
+ this.opacity = +opacity;
+ }
- if (current != null && (computed === undefined
- ? (current === current && !isSymbol(current))
- : comparator(current, computed)
- )) {
- var computed = current,
- result = value;
- }
- }
- return result;
+ define(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);
+ }
+ }));
+
+ /* 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;
+ }
+
+ var deg2rad = Math.PI / 180;
+ var rad2deg = 180 / Math.PI;
+
+ var Kn = 18,
+ Xn = 0.950470, // D65 standard referent
+ Yn = 1,
+ Zn = 1.088830,
+ t0 = 4 / 29,
+ t1 = 6 / 29,
+ t2 = 3 * t1 * t1,
+ t3 = t1 * t1 * t1;
+
+ function labConvert(o) {
+ if (o instanceof Lab) return new Lab(o.l, o.a, o.b, o.opacity);
+ if (o instanceof Hcl) {
+ var h = o.h * deg2rad;
+ return new Lab(o.l, Math.cos(h) * o.c, Math.sin(h) * o.c, o.opacity);
+ }
+ if (!(o instanceof Rgb)) o = rgbConvert(o);
+ var b = rgb2xyz(o.r),
+ a = rgb2xyz(o.g),
+ l = rgb2xyz(o.b),
+ x = xyz2lab((0.4124564 * b + 0.3575761 * a + 0.1804375 * l) / Xn),
+ y = xyz2lab((0.2126729 * b + 0.7151522 * a + 0.0721750 * l) / Yn),
+ z = xyz2lab((0.0193339 * b + 0.1191920 * a + 0.9503041 * l) / Zn);
+ return new Lab(116 * y - 16, 500 * (x - y), 200 * (y - z), o.opacity);
+ }
+
+ function lab(l, a, b, opacity) {
+ return arguments.length === 1 ? labConvert(l) : new Lab(l, a, b, opacity == null ? 1 : opacity);
+ }
+
+ function Lab(l, a, b, opacity) {
+ this.l = +l;
+ this.a = +a;
+ this.b = +b;
+ this.opacity = +opacity;
+ }
+
+ define(Lab, lab, extend(Color, {
+ brighter: function(k) {
+ return new Lab(this.l + Kn * (k == null ? 1 : k), this.a, this.b, this.opacity);
+ },
+ darker: function(k) {
+ return new Lab(this.l - Kn * (k == null ? 1 : k), this.a, this.b, this.opacity);
+ },
+ rgb: function() {
+ var y = (this.l + 16) / 116,
+ x = isNaN(this.a) ? y : y + this.a / 500,
+ z = isNaN(this.b) ? y : y - this.b / 200;
+ y = Yn * lab2xyz(y);
+ x = Xn * lab2xyz(x);
+ z = Zn * lab2xyz(z);
+ return new Rgb(
+ xyz2rgb( 3.2404542 * x - 1.5371385 * y - 0.4985314 * z), // D65 -> sRGB
+ xyz2rgb(-0.9692660 * x + 1.8760108 * y + 0.0415560 * z),
+ xyz2rgb( 0.0556434 * x - 0.2040259 * y + 1.0572252 * z),
+ this.opacity
+ );
}
+ }));
- /**
- * The base implementation of `_.fill` without an iteratee call guard.
- *
- * @private
- * @param {Array} array The array to fill.
- * @param {*} value The value to fill `array` with.
- * @param {number} [start=0] The start position.
- * @param {number} [end=array.length] The end position.
- * @returns {Array} Returns `array`.
- */
- function baseFill(array, value, start, end) {
- var length = array.length;
+ function xyz2lab(t) {
+ return t > t3 ? Math.pow(t, 1 / 3) : t / t2 + t0;
+ }
- start = toInteger(start);
- if (start < 0) {
- start = -start > length ? 0 : (length + start);
- }
- end = (end === undefined || end > length) ? length : toInteger(end);
- if (end < 0) {
- end += length;
- }
- end = start > end ? 0 : toLength(end);
- while (start < end) {
- array[start++] = value;
- }
- return array;
- }
+ function lab2xyz(t) {
+ return t > t1 ? t * t * t : t2 * (t - t0);
+ }
- /**
- * The base implementation of `_.filter` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {Array} Returns the new filtered array.
- */
- function baseFilter(collection, predicate) {
- var result = [];
- baseEach(collection, function(value, index, collection) {
- if (predicate(value, index, collection)) {
- result.push(value);
- }
- });
- return result;
- }
+ function xyz2rgb(x) {
+ return 255 * (x <= 0.0031308 ? 12.92 * x : 1.055 * Math.pow(x, 1 / 2.4) - 0.055);
+ }
- /**
- * The base implementation of `_.flatten` with support for restricting flattening.
- *
- * @private
- * @param {Array} array The array to flatten.
- * @param {number} depth The maximum recursion depth.
- * @param {boolean} [predicate=isFlattenable] The function invoked per iteration.
- * @param {boolean} [isStrict] Restrict to values that pass `predicate` checks.
- * @param {Array} [result=[]] The initial result value.
- * @returns {Array} Returns the new flattened array.
- */
- function baseFlatten(array, depth, predicate, isStrict, result) {
- var index = -1,
- length = array.length;
+ function rgb2xyz(x) {
+ return (x /= 255) <= 0.04045 ? x / 12.92 : Math.pow((x + 0.055) / 1.055, 2.4);
+ }
- predicate || (predicate = isFlattenable);
- result || (result = []);
+ function hclConvert(o) {
+ if (o instanceof Hcl) return new Hcl(o.h, o.c, o.l, o.opacity);
+ if (!(o instanceof Lab)) o = labConvert(o);
+ var h = Math.atan2(o.b, o.a) * rad2deg;
+ return new Hcl(h < 0 ? h + 360 : h, Math.sqrt(o.a * o.a + o.b * o.b), o.l, o.opacity);
+ }
- while (++index < length) {
- var value = array[index];
- if (depth > 0 && predicate(value)) {
- if (depth > 1) {
- // Recursively flatten arrays (susceptible to call stack limits).
- baseFlatten(value, depth - 1, predicate, isStrict, result);
- } else {
- arrayPush(result, value);
- }
- } else if (!isStrict) {
- result[result.length] = value;
- }
- }
- return result;
- }
+ function hcl(h, c, l, opacity) {
+ return arguments.length === 1 ? hclConvert(h) : new Hcl(h, c, l, opacity == null ? 1 : opacity);
+ }
- /**
- * The base implementation of `baseForOwn` which iterates over `object`
- * properties returned by `keysFunc` and invokes `iteratee` for each property.
- * Iteratee functions may exit iteration early by explicitly returning `false`.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {Function} keysFunc The function to get the keys of `object`.
- * @returns {Object} Returns `object`.
- */
- var baseFor = createBaseFor();
-
- /**
- * This function is like `baseFor` except that it iterates over properties
- * in the opposite order.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @param {Function} keysFunc The function to get the keys of `object`.
- * @returns {Object} Returns `object`.
- */
- var baseForRight = createBaseFor(true);
+ function Hcl(h, c, l, opacity) {
+ this.h = +h;
+ this.c = +c;
+ this.l = +l;
+ this.opacity = +opacity;
+ }
- /**
- * The base implementation of `_.forOwn` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Object} Returns `object`.
- */
- function baseForOwn(object, iteratee) {
- return object && baseFor(object, iteratee, keys);
+ define(Hcl, hcl, extend(Color, {
+ brighter: function(k) {
+ return new Hcl(this.h, this.c, this.l + Kn * (k == null ? 1 : k), this.opacity);
+ },
+ darker: function(k) {
+ return new Hcl(this.h, this.c, this.l - Kn * (k == null ? 1 : k), this.opacity);
+ },
+ rgb: function() {
+ return labConvert(this).rgb();
+ }
+ }));
+
+ var A = -0.14861,
+ B = +1.78277,
+ C = -0.29227,
+ D = -0.90649,
+ E = +1.97294,
+ ED = E * D,
+ EB = E * B,
+ BC_DA = B * C - D * A;
+
+ function cubehelixConvert(o) {
+ if (o instanceof Cubehelix) return new Cubehelix(o.h, o.s, o.l, o.opacity);
+ if (!(o instanceof Rgb)) o = rgbConvert(o);
+ var r = o.r / 255,
+ g = o.g / 255,
+ b = o.b / 255,
+ l = (BC_DA * b + ED * r - EB * g) / (BC_DA + ED - EB),
+ bl = b - l,
+ k = (E * (g - l) - C * bl) / D,
+ s = Math.sqrt(k * k + bl * bl) / (E * l * (1 - l)), // NaN if l=0 or l=1
+ h = s ? Math.atan2(k, bl) * rad2deg - 120 : NaN;
+ return new Cubehelix(h < 0 ? h + 360 : h, s, l, o.opacity);
+ }
+
+ function cubehelix(h, s, l, opacity) {
+ return arguments.length === 1 ? cubehelixConvert(h) : new Cubehelix(h, s, l, opacity == null ? 1 : opacity);
+ }
+
+ function Cubehelix(h, s, l, opacity) {
+ this.h = +h;
+ this.s = +s;
+ this.l = +l;
+ this.opacity = +opacity;
+ }
+
+ define(Cubehelix, cubehelix, extend(Color, {
+ brighter: function(k) {
+ k = k == null ? brighter : Math.pow(brighter, k);
+ return new Cubehelix(this.h, this.s, this.l * k, this.opacity);
+ },
+ darker: function(k) {
+ k = k == null ? darker : Math.pow(darker, k);
+ return new Cubehelix(this.h, this.s, this.l * k, this.opacity);
+ },
+ rgb: function() {
+ var h = isNaN(this.h) ? 0 : (this.h + 120) * deg2rad,
+ l = +this.l,
+ a = isNaN(this.s) ? 0 : this.s * l * (1 - l),
+ cosh = Math.cos(h),
+ sinh = Math.sin(h);
+ return new Rgb(
+ 255 * (l + a * (A * cosh + B * sinh)),
+ 255 * (l + a * (C * cosh + D * sinh)),
+ 255 * (l + a * (E * cosh)),
+ this.opacity
+ );
}
+ }));
- /**
- * The base implementation of `_.forOwnRight` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Object} Returns `object`.
- */
- function baseForOwnRight(object, iteratee) {
- return object && baseForRight(object, iteratee, keys);
- }
+ 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;
+ }
- /**
- * The base implementation of `_.functions` which creates an array of
- * `object` function property names filtered from `props`.
- *
- * @private
- * @param {Object} object The object to inspect.
- * @param {Array} props The property names to filter.
- * @returns {Array} Returns the function names.
- */
- function baseFunctions(object, props) {
- return arrayFilter(props, function(key) {
- return isFunction(object[key]);
- });
- }
+ function basis$1(values) {
+ var n = values.length - 1;
+ return function(t) {
+ var i = t <= 0 ? (t = 0) : t >= 1 ? (t = 1, n - 1) : Math.floor(t * n),
+ v1 = values[i],
+ v2 = values[i + 1],
+ v0 = i > 0 ? values[i - 1] : 2 * v1 - v2,
+ v3 = i < n - 1 ? values[i + 2] : 2 * v2 - v1;
+ return basis((t - i / n) * n, v0, v1, v2, v3);
+ };
+ }
- /**
- * The base implementation of `_.get` without support for default values.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @returns {*} Returns the resolved value.
- */
- function baseGet(object, path) {
- path = castPath(path, object);
+ function basisClosed(values) {
+ var n = values.length;
+ return function(t) {
+ var i = Math.floor(((t %= 1) < 0 ? ++t : t) * n),
+ v0 = values[(i + n - 1) % n],
+ v1 = values[i % n],
+ v2 = values[(i + 1) % n],
+ v3 = values[(i + 2) % n];
+ return basis((t - i / n) * n, v0, v1, v2, v3);
+ };
+ }
- var index = 0,
- length = path.length;
+ function constant$3(x) {
+ return function() {
+ return x;
+ };
+ }
- while (object != null && index < length) {
- object = object[toKey(path[index++])];
- }
- return (index && index == length) ? object : undefined;
- }
+ function linear(a, d) {
+ return function(t) {
+ return a + t * d;
+ };
+ }
- /**
- * The base implementation of `getAllKeys` and `getAllKeysIn` which uses
- * `keysFunc` and `symbolsFunc` to get the enumerable property names and
- * symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Function} keysFunc The function to get the keys of `object`.
- * @param {Function} symbolsFunc The function to get the symbols of `object`.
- * @returns {Array} Returns the array of property names and symbols.
- */
- function baseGetAllKeys(object, keysFunc, symbolsFunc) {
- var result = keysFunc(object);
- return isArray(object) ? result : arrayPush(result, symbolsFunc(object));
- }
+ 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);
+ };
+ }
- /**
- * 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;
- }
- value = Object(value);
- return (symToStringTag && symToStringTag in value)
- ? getRawTag(value)
- : objectToString(value);
- }
+ function hue(a, b) {
+ var d = b - a;
+ return d ? linear(a, d > 180 || d < -180 ? d - 360 * Math.round(d / 360) : d) : constant$3(isNaN(a) ? b : a);
+ }
- /**
- * The base implementation of `_.gt` which doesn't coerce arguments.
- *
- * @private
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if `value` is greater than `other`,
- * else `false`.
- */
- function baseGt(value, other) {
- return value > other;
- }
+ function gamma(y) {
+ return (y = +y) === 1 ? nogamma : function(a, b) {
+ return b - a ? exponential(a, b, y) : constant$3(isNaN(a) ? b : a);
+ };
+ }
- /**
- * The base implementation of `_.has` without support for deep paths.
- *
- * @private
- * @param {Object} [object] The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
- function baseHas(object, key) {
- return object != null && hasOwnProperty.call(object, key);
- }
+ function nogamma(a, b) {
+ var d = b - a;
+ return d ? linear(a, d) : constant$3(isNaN(a) ? b : a);
+ }
- /**
- * The base implementation of `_.hasIn` without support for deep paths.
- *
- * @private
- * @param {Object} [object] The object to query.
- * @param {Array|string} key The key to check.
- * @returns {boolean} Returns `true` if `key` exists, else `false`.
- */
- function baseHasIn(object, key) {
- return object != null && key in Object(object);
- }
+ var interpolateRgb = (function rgbGamma(y) {
+ var color$$1 = gamma(y);
- /**
- * The base implementation of `_.inRange` which doesn't coerce arguments.
- *
- * @private
- * @param {number} number The number to check.
- * @param {number} start The start of the range.
- * @param {number} end The end of the range.
- * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
- */
- function baseInRange(number, start, end) {
- return number >= nativeMin(start, end) && number < nativeMax(start, end);
+ function rgb$$1(start, end) {
+ var r = color$$1((start = rgb(start)).r, (end = rgb(end)).r),
+ g = color$$1(start.g, end.g),
+ b = color$$1(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 + "";
+ };
}
- /**
- * The base implementation of methods like `_.intersection`, without support
- * for iteratee shorthands, that accepts an array of arrays to inspect.
- *
- * @private
- * @param {Array} arrays The arrays to inspect.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of shared values.
- */
- function baseIntersection(arrays, iteratee, comparator) {
- var includes = comparator ? arrayIncludesWith : arrayIncludes,
- length = arrays[0].length,
- othLength = arrays.length,
- othIndex = othLength,
- caches = Array(othLength),
- maxLength = Infinity,
- result = [];
+ rgb$$1.gamma = rgbGamma;
- while (othIndex--) {
- var array = arrays[othIndex];
- if (othIndex && iteratee) {
- array = arrayMap(array, baseUnary(iteratee));
- }
- maxLength = nativeMin(array.length, maxLength);
- caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
- ? new SetCache(othIndex && array)
- : undefined;
- }
- array = arrays[0];
+ return rgb$$1;
+ })(1);
- var index = -1,
- seen = caches[0];
+ function rgbSpline(spline) {
+ return function(colors) {
+ var n = colors.length,
+ r = new Array(n),
+ g = new Array(n),
+ b = new Array(n),
+ i, color$$1;
+ for (i = 0; i < n; ++i) {
+ color$$1 = rgb(colors[i]);
+ r[i] = color$$1.r || 0;
+ g[i] = color$$1.g || 0;
+ b[i] = color$$1.b || 0;
+ }
+ r = spline(r);
+ g = spline(g);
+ b = spline(b);
+ color$$1.opacity = 1;
+ return function(t) {
+ color$$1.r = r(t);
+ color$$1.g = g(t);
+ color$$1.b = b(t);
+ return color$$1 + "";
+ };
+ };
+ }
- outer:
- while (++index < length && result.length < maxLength) {
- var value = array[index],
- computed = iteratee ? iteratee(value) : value;
+ var rgbBasis = rgbSpline(basis$1);
+ var rgbBasisClosed = rgbSpline(basisClosed);
- value = (comparator || value !== 0) ? value : 0;
- if (!(seen
- ? cacheHas(seen, computed)
- : includes(result, computed, comparator)
- )) {
- othIndex = othLength;
- while (--othIndex) {
- var cache = caches[othIndex];
- if (!(cache
- ? cacheHas(cache, computed)
- : includes(arrays[othIndex], computed, comparator))
- ) {
- continue outer;
- }
- }
- if (seen) {
- seen.push(computed);
- }
- result.push(value);
- }
- }
- return result;
- }
+ function array$1(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;
- /**
- * The base implementation of `_.invert` and `_.invertBy` which inverts
- * `object` with values transformed by `iteratee` and set by `setter`.
- *
- * @private
- * @param {Object} object The object to iterate over.
- * @param {Function} setter The function to set `accumulator` values.
- * @param {Function} iteratee The iteratee to transform values.
- * @param {Object} accumulator The initial inverted object.
- * @returns {Function} Returns `accumulator`.
- */
- function baseInverter(object, setter, iteratee, accumulator) {
- baseForOwn(object, function(value, key, object) {
- setter(accumulator, iteratee(value), key, object);
- });
- return accumulator;
- }
+ for (i = 0; i < na; ++i) x[i] = interpolate(a[i], b[i]);
+ for (; i < nb; ++i) c[i] = b[i];
- /**
- * The base implementation of `_.invoke` without support for individual
- * method arguments.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the method to invoke.
- * @param {Array} args The arguments to invoke the method with.
- * @returns {*} Returns the result of the invoked method.
- */
- 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 ? undefined : apply(func, object, args);
- }
+ return function(t) {
+ for (i = 0; i < na; ++i) c[i] = x[i](t);
+ return c;
+ };
+ }
- /**
- * The base implementation of `_.isArguments`.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an `arguments` object,
- */
- function baseIsArguments(value) {
- return isObjectLike(value) && baseGetTag(value) == argsTag;
- }
+ function date(a, b) {
+ var d = new Date;
+ return a = +a, b -= a, function(t) {
+ return d.setTime(a + b * t), d;
+ };
+ }
- /**
- * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
- */
- function baseIsArrayBuffer(value) {
- return isObjectLike(value) && baseGetTag(value) == arrayBufferTag;
- }
+ function interpolateNumber(a, b) {
+ return a = +a, b -= a, function(t) {
+ return a + b * t;
+ };
+ }
- /**
- * The base implementation of `_.isDate` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
- */
- function baseIsDate(value) {
- return isObjectLike(value) && baseGetTag(value) == dateTag;
- }
+ function object(a, b) {
+ var i = {},
+ c = {},
+ k;
- /**
- * The base implementation of `_.isEqual` which supports partial comparisons
- * and tracks traversed objects.
- *
- * @private
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @param {boolean} bitmask The bitmask flags.
- * 1 - Unordered comparison
- * 2 - Partial comparison
- * @param {Function} [customizer] The function to customize comparisons.
- * @param {Object} [stack] Tracks traversed `value` and `other` objects.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- */
- function baseIsEqual(value, other, bitmask, customizer, stack) {
- if (value === other) {
- return true;
- }
- if (value == null || other == null || (!isObject(value) && !isObjectLike(other))) {
- return value !== value && other !== other;
+ 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 baseIsEqualDeep(value, other, bitmask, customizer, baseIsEqual, stack);
}
- /**
- * A specialized version of `baseIsEqual` for arrays and objects which performs
- * deep comparisons and tracks traversed objects enabling objects with circular
- * references to be compared.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} [stack] Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
- function baseIsEqualDeep(object, other, bitmask, customizer, equalFunc, stack) {
- var objIsArr = isArray(object),
- othIsArr = isArray(other),
- objTag = arrayTag,
- othTag = arrayTag;
-
- if (!objIsArr) {
- objTag = getTag(object);
- objTag = objTag == argsTag ? objectTag : objTag;
- }
- if (!othIsArr) {
- othTag = getTag(other);
- othTag = othTag == argsTag ? objectTag : othTag;
- }
- var objIsObj = objTag == objectTag,
- othIsObj = othTag == objectTag,
- isSameTag = objTag == othTag;
-
- if (isSameTag && isBuffer(object)) {
- if (!isBuffer(other)) {
- return false;
- }
- objIsArr = true;
- objIsObj = false;
- }
- if (isSameTag && !objIsObj) {
- stack || (stack = new Stack);
- return (objIsArr || isTypedArray(object))
- ? equalArrays(object, other, bitmask, customizer, equalFunc, stack)
- : equalByTag(object, other, objTag, bitmask, customizer, equalFunc, stack);
- }
- if (!(bitmask & COMPARE_PARTIAL_FLAG)) {
- var objIsWrapped = objIsObj && hasOwnProperty.call(object, '__wrapped__'),
- othIsWrapped = othIsObj && hasOwnProperty.call(other, '__wrapped__');
+ return function(t) {
+ for (k in i) c[k] = i[k](t);
+ return c;
+ };
+ }
- if (objIsWrapped || othIsWrapped) {
- var objUnwrapped = objIsWrapped ? object.value() : object,
- othUnwrapped = othIsWrapped ? other.value() : other;
+ var reA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g,
+ reB = new RegExp(reA.source, "g");
- stack || (stack = new Stack);
- return equalFunc(objUnwrapped, othUnwrapped, bitmask, customizer, stack);
- }
+ 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 (!isSameTag) {
- return false;
+ 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: interpolateNumber(am, bm)});
}
- stack || (stack = new Stack);
- return equalObjects(object, other, bitmask, customizer, equalFunc, stack);
+ bi = reB.lastIndex;
}
- /**
- * The base implementation of `_.isMap` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a map, else `false`.
- */
- function baseIsMap(value) {
- return isObjectLike(value) && getTag(value) == mapTag;
+ // 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;
}
- /**
- * The base implementation of `_.isMatch` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property values to match.
- * @param {Array} matchData The property names, values, and compare flags to match.
- * @param {Function} [customizer] The function to customize comparisons.
- * @returns {boolean} Returns `true` if `object` is a match, else `false`.
- */
- function baseIsMatch(object, source, matchData, customizer) {
- var index = matchData.length,
- length = index,
- noCustomizer = !customizer;
+ // 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("");
+ });
+ }
- if (object == null) {
- return !length;
- }
- object = Object(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];
+ function interpolate(a, b) {
+ var t = typeof b, c;
+ return b == null || t === "boolean" ? constant$3(b)
+ : (t === "number" ? interpolateNumber
+ : t === "string" ? ((c = color(b)) ? (b = c, interpolateRgb) : interpolateString)
+ : b instanceof color ? interpolateRgb
+ : b instanceof Date ? date
+ : Array.isArray(b) ? array$1
+ : typeof b.valueOf !== "function" && typeof b.toString !== "function" || isNaN(b) ? object
+ : interpolateNumber)(a, b);
+ }
- if (noCustomizer && data[2]) {
- if (objValue === undefined && !(key in object)) {
- return false;
- }
- } else {
- var stack = new Stack;
- if (customizer) {
- var result = customizer(objValue, srcValue, key, object, source, stack);
- }
- if (!(result === undefined
- ? baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG, customizer, stack)
- : result
- )) {
- return false;
- }
- }
- }
- return true;
- }
+ function interpolateRound(a, b) {
+ return a = +a, b -= a, function(t) {
+ return Math.round(a + b * t);
+ };
+ }
- /**
- * The base implementation of `_.isNative` without bad shim checks.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a native function,
- * else `false`.
- */
- function baseIsNative(value) {
- if (!isObject(value) || isMasked(value)) {
- return false;
- }
- var pattern = isFunction(value) ? reIsNative : reIsHostCtor;
- return pattern.test(toSource(value));
- }
+ var degrees = 180 / Math.PI;
- /**
- * The base implementation of `_.isRegExp` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
- */
- function baseIsRegExp(value) {
- return isObjectLike(value) && baseGetTag(value) == regexpTag;
- }
+ var identity$2 = {
+ translateX: 0,
+ translateY: 0,
+ rotate: 0,
+ skewX: 0,
+ scaleX: 1,
+ scaleY: 1
+ };
- /**
- * The base implementation of `_.isSet` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a set, else `false`.
- */
- function baseIsSet(value) {
- return isObjectLike(value) && getTag(value) == setTag;
- }
+ 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,
+ skewX: Math.atan(skewX) * degrees,
+ scaleX: scaleX,
+ scaleY: scaleY
+ };
+ }
- /**
- * The base implementation of `_.isTypedArray` without Node.js optimizations.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
- */
- function baseIsTypedArray(value) {
- return isObjectLike(value) &&
- isLength(value.length) && !!typedArrayTags[baseGetTag(value)];
+ var cssNode,
+ cssRoot,
+ cssView,
+ svgNode;
+
+ function parseCss(value) {
+ if (value === "none") return identity$2;
+ 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$2;
+ if (!svgNode) svgNode = document.createElementNS("http://www.w3.org/2000/svg", "g");
+ svgNode.setAttribute("transform", value);
+ if (!(value = svgNode.transform.baseVal.consolidate())) return identity$2;
+ 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() + " " : "";
}
- /**
- * The base implementation of `_.iteratee`.
- *
- * @private
- * @param {*} [value=_.identity] The value to convert to an iteratee.
- * @returns {Function} Returns the iteratee.
- */
- function baseIteratee(value) {
- // Don't store the `typeof` result in a variable to avoid a JIT bug in Safari 9.
- // See https://bugs.webkit.org/show_bug.cgi?id=156034 for more details.
- if (typeof value == 'function') {
- return value;
+ 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: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)});
+ } else if (xb || yb) {
+ s.push("translate(" + xb + pxComma + yb + pxParen);
}
- if (value == null) {
- return identity;
+ }
+
+ 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: interpolateNumber(a, b)});
+ } else if (b) {
+ s.push(pop(s) + "rotate(" + b + degParen);
}
- if (typeof value == 'object') {
- return isArray(value)
- ? baseMatchesProperty(value[0], value[1])
- : baseMatches(value);
+ }
+
+ function skewX(a, b, s, q) {
+ if (a !== b) {
+ q.push({i: s.push(pop(s) + "skewX(", null, degParen) - 2, x: interpolateNumber(a, b)});
+ } else if (b) {
+ s.push(pop(s) + "skewX(" + b + degParen);
}
- return property(value);
}
- /**
- * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
- function baseKeys(object) {
- if (!isPrototype(object)) {
- return nativeKeys(object);
+ 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: interpolateNumber(xa, xb)}, {i: i - 2, x: interpolateNumber(ya, yb)});
+ } else if (xb !== 1 || yb !== 1) {
+ s.push(pop(s) + "scale(" + xb + "," + yb + ")");
}
- var result = [];
- for (var key in Object(object)) {
- if (hasOwnProperty.call(object, key) && key != 'constructor') {
- result.push(key);
- }
- }
- return result;
}
- /**
- * The base implementation of `_.keysIn` which doesn't treat sparse arrays as dense.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
- function baseKeysIn(object) {
- if (!isObject(object)) {
- return nativeKeysIn(object);
- }
- var isProto = isPrototype(object),
- result = [];
+ 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("");
+ };
+ };
+ }
- for (var key in object) {
- if (!(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {
- result.push(key);
- }
- }
- return result;
- }
+ var interpolateTransformCss = interpolateTransform(parseCss, "px, ", "px)", "deg)");
+ var interpolateTransformSvg = interpolateTransform(parseSvg, ", ", ")", ")");
- /**
- * The base implementation of `_.lt` which doesn't coerce arguments.
- *
- * @private
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if `value` is less than `other`,
- * else `false`.
- */
- function baseLt(value, other) {
- return value < other;
- }
+ var rho = Math.SQRT2,
+ rho2 = 2,
+ rho4 = 4,
+ epsilon2 = 1e-12;
- /**
- * The base implementation of `_.map` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} iteratee The function invoked per iteration.
- * @returns {Array} Returns the new mapped array.
- */
- function baseMap(collection, iteratee) {
- var index = -1,
- result = isArrayLike(collection) ? Array(collection.length) : [];
+ function cosh(x) {
+ return ((x = Math.exp(x)) + 1 / x) / 2;
+ }
- baseEach(collection, function(value, key, collection) {
- result[++index] = iteratee(value, key, collection);
- });
- return result;
+ 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 â
u1.
+ if (d2 < epsilon2) {
+ S = Math.log(w1 / w0) / rho;
+ i = function(t) {
+ return [
+ ux0 + t * dx,
+ uy0 + t * dy,
+ w0 * Math.exp(rho * t * S)
+ ];
+ };
}
- /**
- * The base implementation of `_.matches` which doesn't clone `source`.
- *
- * @private
- * @param {Object} source The object of property values to match.
- * @returns {Function} Returns the new spec function.
- */
- 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);
+ // 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)
+ ];
};
}
- /**
- * The base implementation of `_.matchesProperty` which doesn't clone `srcValue`.
- *
- * @private
- * @param {string} path The path of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new spec function.
- */
- function baseMatchesProperty(path, srcValue) {
- if (isKey(path) && isStrictComparable(srcValue)) {
- return matchesStrictComparable(toKey(path), srcValue);
- }
- return function(object) {
- var objValue = get(object, path);
- return (objValue === undefined && objValue === srcValue)
- ? hasIn(object, path)
- : baseIsEqual(srcValue, objValue, COMPARE_PARTIAL_FLAG | COMPARE_UNORDERED_FLAG);
+ i.duration = S * 1000;
+
+ return i;
+ }
+
+ function hsl$1(hue$$1) {
+ return function(start, end) {
+ var h = hue$$1((start = hsl(start)).h, (end = hsl(end)).h),
+ s = nogamma(start.s, end.s),
+ l = nogamma(start.l, end.l),
+ opacity = nogamma(start.opacity, end.opacity);
+ return function(t) {
+ start.h = h(t);
+ start.s = s(t);
+ start.l = l(t);
+ start.opacity = opacity(t);
+ return start + "";
};
}
+ }
- /**
- * The base implementation of `_.merge` without support for multiple sources.
- *
- * @private
- * @param {Object} object The destination object.
- * @param {Object} source The source object.
- * @param {number} srcIndex The index of `source`.
- * @param {Function} [customizer] The function to customize merged values.
- * @param {Object} [stack] Tracks traversed source values and their merged
- * counterparts.
- */
- function baseMerge(object, source, srcIndex, customizer, stack) {
- if (object === source) {
- return;
- }
- baseFor(source, function(srcValue, key) {
- if (isObject(srcValue)) {
- stack || (stack = new Stack);
- baseMergeDeep(object, source, key, srcIndex, baseMerge, customizer, stack);
- }
- else {
- var newValue = customizer
- ? customizer(object[key], srcValue, (key + ''), object, source, stack)
- : undefined;
+ var hsl$2 = hsl$1(hue);
+ var hslLong = hsl$1(nogamma);
- if (newValue === undefined) {
- newValue = srcValue;
- }
- assignMergeValue(object, key, newValue);
- }
- }, keysIn);
+ function lab$1(start, end) {
+ var l = nogamma((start = lab(start)).l, (end = lab(end)).l),
+ a = nogamma(start.a, end.a),
+ b = nogamma(start.b, end.b),
+ opacity = nogamma(start.opacity, end.opacity);
+ return function(t) {
+ start.l = l(t);
+ start.a = a(t);
+ start.b = b(t);
+ start.opacity = opacity(t);
+ return start + "";
+ };
+ }
+
+ function hcl$1(hue$$1) {
+ return function(start, end) {
+ var h = hue$$1((start = hcl(start)).h, (end = hcl(end)).h),
+ c = nogamma(start.c, end.c),
+ l = nogamma(start.l, end.l),
+ opacity = nogamma(start.opacity, end.opacity);
+ return function(t) {
+ start.h = h(t);
+ start.c = c(t);
+ start.l = l(t);
+ start.opacity = opacity(t);
+ return start + "";
+ };
}
+ }
- /**
- * A specialized version of `baseMerge` for arrays and objects which performs
- * deep merges and tracks traversed objects enabling objects with circular
- * references to be merged.
- *
- * @private
- * @param {Object} object The destination object.
- * @param {Object} source The source object.
- * @param {string} key The key of the value to merge.
- * @param {number} srcIndex The index of `source`.
- * @param {Function} mergeFunc The function to merge values.
- * @param {Function} [customizer] The function to customize assigned values.
- * @param {Object} [stack] Tracks traversed source values and their merged
- * counterparts.
- */
- function baseMergeDeep(object, source, key, srcIndex, mergeFunc, customizer, stack) {
- var objValue = object[key],
- srcValue = source[key],
- stacked = stack.get(srcValue);
+ var hcl$2 = hcl$1(hue);
+ var hclLong = hcl$1(nogamma);
- if (stacked) {
- assignMergeValue(object, key, stacked);
- return;
+ function cubehelix$1(hue$$1) {
+ return (function cubehelixGamma(y) {
+ y = +y;
+
+ function cubehelix$$1(start, end) {
+ var h = hue$$1((start = cubehelix(start)).h, (end = cubehelix(end)).h),
+ s = nogamma(start.s, end.s),
+ l = nogamma(start.l, end.l),
+ opacity = nogamma(start.opacity, end.opacity);
+ return function(t) {
+ start.h = h(t);
+ start.s = s(t);
+ start.l = l(Math.pow(t, y));
+ start.opacity = opacity(t);
+ return start + "";
+ };
}
- var newValue = customizer
- ? customizer(objValue, srcValue, (key + ''), object, source, stack)
- : undefined;
- var isCommon = newValue === undefined;
+ cubehelix$$1.gamma = cubehelixGamma;
- if (isCommon) {
- var isArr = isArray(srcValue),
- isBuff = !isArr && isBuffer(srcValue),
- isTyped = !isArr && !isBuff && isTypedArray(srcValue);
+ return cubehelix$$1;
+ })(1);
+ }
- newValue = srcValue;
- if (isArr || isBuff || isTyped) {
- if (isArray(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) || isArguments(srcValue)) {
- newValue = objValue;
- if (isArguments(objValue)) {
- newValue = toPlainObject(objValue);
- }
- else if (!isObject(objValue) || (srcIndex && isFunction(objValue))) {
- newValue = initCloneObject(srcValue);
- }
- }
- else {
- isCommon = false;
- }
+ var cubehelix$2 = cubehelix$1(hue);
+ var cubehelixLong = cubehelix$1(nogamma);
+
+ 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;
}
- if (isCommon) {
- // Recursively merge objects and arrays (susceptible to call stack limits).
- stack.set(srcValue, newValue);
- mergeFunc(newValue, srcValue, srcIndex, customizer, stack);
- stack['delete'](srcValue);
+ this._call = callback;
+ this._time = time;
+ sleep();
+ },
+ stop: function() {
+ if (this._call) {
+ this._call = null;
+ this._time = Infinity;
+ sleep();
}
- assignMergeValue(object, key, newValue);
}
+ };
- /**
- * The base implementation of `_.nth` which doesn't coerce arguments.
- *
- * @private
- * @param {Array} array The array to query.
- * @param {number} n The index of the element to return.
- * @returns {*} Returns the nth element of `array`.
- */
- function baseNth(array, n) {
- var length = array.length;
- if (!length) {
- return;
- }
- n += n < 0 ? length : 0;
- return isIndex(n, length) ? array[n] : undefined;
+ 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 weâve set an alarm, if we havenât already.
+ var t = taskHead, e;
+ while (t) {
+ if ((e = clockNow - t._time) >= 0) t._call.call(null, e);
+ t = t._next;
}
+ --frame;
+ }
- /**
- * The base implementation of `_.orderBy` without param guards.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
- * @param {string[]} orders The sort orders of `iteratees`.
- * @returns {Array} Returns the new sorted array.
- */
- function baseOrderBy(collection, iteratees, orders) {
- var index = -1;
- iteratees = arrayMap(iteratees.length ? iteratees : [identity], baseUnary(getIteratee()));
+ function wake() {
+ clockNow = (clockLast = clock.now()) + clockSkew;
+ frame = timeout = 0;
+ try {
+ timerFlush();
+ } finally {
+ frame = 0;
+ nap();
+ clockNow = 0;
+ }
+ }
- var result = baseMap(collection, function(value, key, collection) {
- var criteria = arrayMap(iteratees, function(iteratee) {
- return iteratee(value);
- });
- return { 'criteria': criteria, 'index': ++index, 'value': value };
- });
+ function poke() {
+ var now = clock.now(), delay = now - clockLast;
+ if (delay > pokeDelay) clockSkew -= delay, clockLast = now;
+ }
- return baseSortBy(result, function(object, other) {
- return compareMultiple(object, other, orders);
- });
+ 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);
+ }
- /**
- * The base implementation of `_.pick` without support for individual
- * property identifiers.
- *
- * @private
- * @param {Object} object The source object.
- * @param {string[]} paths The property paths to pick.
- * @returns {Object} Returns the new object.
- */
- function basePick(object, paths) {
- object = Object(object);
- return basePickBy(object, paths, function(value, path) {
- return hasIn(object, path);
- });
+ 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);
}
+ }
- /**
- * The base implementation of `_.pickBy` without support for iteratee shorthands.
- *
- * @private
- * @param {Object} object The source object.
- * @param {string[]} paths The property paths to pick.
- * @param {Function} predicate The function invoked per property.
- * @returns {Object} Returns the new object.
- */
- function basePickBy(object, paths, predicate) {
- var index = -1,
- length = paths.length,
- result = {};
+ function timeout$1(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;
+ }
- while (++index < length) {
- var path = paths[index],
- value = baseGet(object, path);
+ function interval$1(callback, delay, time) {
+ var t = new Timer, total = delay;
+ if (delay == null) return t.restart(callback, delay, time), t;
+ delay = +delay, time = time == null ? now() : +time;
+ t.restart(function tick(elapsed) {
+ elapsed += total;
+ t.restart(tick, total += delay, time);
+ callback(elapsed);
+ }, delay, time);
+ return t;
+ }
- if (predicate(value, path)) {
- baseSet(result, path, value);
- }
- }
- return result;
- }
+ var emptyOn = dispatch("start", "end", "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$1(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
+ });
+ }
- /**
- * A specialized version of `baseProperty` which supports deep paths.
- *
- * @private
- * @param {Array|string} path The path of the property to get.
- * @returns {Function} Returns the new accessor function.
- */
- function basePropertyDeep(path) {
- return function(object) {
- return baseGet(object, path);
- };
- }
+ function init(node, id) {
+ var schedule = get$1(node, id);
+ if (schedule.state > CREATED) throw new Error("too late; already scheduled");
+ return schedule;
+ }
- /**
- * The base implementation of `_.pullAllBy` without support for iteratee
- * shorthands.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {Array} values The values to remove.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns `array`.
- */
- function basePullAll(array, values, iteratee, comparator) {
- var indexOf = comparator ? baseIndexOfWith : baseIndexOf,
- index = -1,
- length = values.length,
- seen = array;
+ function set$1(node, id) {
+ var schedule = get$1(node, id);
+ if (schedule.state > STARTING) throw new Error("too late; already started");
+ return schedule;
+ }
- if (array === values) {
- values = copyArray(values);
- }
- if (iteratee) {
- seen = arrayMap(array, baseUnary(iteratee));
- }
- while (++index < length) {
- var fromIndex = 0,
- value = values[index],
- computed = iteratee ? iteratee(value) : value;
+ function get$1(node, id) {
+ var schedule = node.__transition;
+ if (!schedule || !(schedule = schedule[id])) throw new Error("transition not found");
+ return schedule;
+ }
- while ((fromIndex = indexOf(seen, computed, fromIndex, comparator)) > -1) {
- if (seen !== array) {
- splice.call(seen, fromIndex, 1);
- }
- splice.call(array, fromIndex, 1);
- }
- }
- return array;
+ function create$1(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);
}
- /**
- * The base implementation of `_.pullAt` without support for individual
- * indexes or capturing the removed elements.
- *
- * @private
- * @param {Array} array The array to modify.
- * @param {number[]} indexes The indexes of elements to remove.
- * @returns {Array} Returns `array`.
- */
- function basePullAt(array, indexes) {
- var length = array ? indexes.length : 0,
- lastIndex = length - 1;
+ function start(elapsed) {
+ var i, j, n, o;
- while (length--) {
- var index = indexes[length];
- if (length == lastIndex || index !== previous) {
- var previous = index;
- if (isIndex(index)) {
- splice.call(array, index, 1);
- }
- else {
- var path = castPath(index, array),
- object = parent(array, path);
+ // If the state is not SCHEDULED, then we previously errored on start.
+ if (self.state !== SCHEDULED) return stop();
- if (object != null) {
- delete object[toKey(last(path))];
- }
- }
+ 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 timeout$1(start);
+
+ // Interrupt the active transition, if any.
+ // Dispatch the interrupt event.
+ 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. No interrupt event is dispatched
+ // because the cancelled transitions never started. Note that this also
+ // removes this transition from the pending list!
+ else if (+i < id) {
+ o.state = ENDED;
+ o.timer.stop();
+ delete schedules[i];
}
}
- return array;
- }
- /**
- * The base implementation of `_.random` without support for returning
- * floating-point numbers.
- *
- * @private
- * @param {number} lower The lower bound.
- * @param {number} upper The upper bound.
- * @returns {number} Returns the random number.
- */
- function baseRandom(lower, upper) {
- return lower + nativeFloor(nativeRandom() * (upper - lower + 1));
- }
+ // 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.
+ timeout$1(function() {
+ if (self.state === STARTED) {
+ self.state = RUNNING;
+ self.timer.restart(tick, self.delay, self.time);
+ tick(elapsed);
+ }
+ });
- /**
- * The base implementation of `_.range` and `_.rangeRight` which doesn't
- * coerce arguments.
- *
- * @private
- * @param {number} start The start of the range.
- * @param {number} end The end of the range.
- * @param {number} step The value to increment or decrement by.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Array} Returns the range of numbers.
- */
- function baseRange(start, end, step, fromRight) {
- var index = -1,
- length = nativeMax(nativeCeil((end - start) / (step || 1)), 0),
- result = Array(length);
+ // 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;
- while (length--) {
- result[fromRight ? length : ++index] = start;
- start += step;
+ // 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;
+ }
}
- return result;
+ tween.length = j + 1;
}
- /**
- * The base implementation of `_.repeat` which doesn't coerce arguments.
- *
- * @private
- * @param {string} string The string to repeat.
- * @param {number} n The number of times to repeat the string.
- * @returns {string} Returns the repeated string.
- */
- function baseRepeat(string, n) {
- var result = '';
- if (!string || n < 1 || n > MAX_SAFE_INTEGER) {
- return result;
+ 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(null, t);
}
- // Leverage the exponentiation by squaring algorithm for a faster repeat.
- // See https://en.wikipedia.org/wiki/Exponentiation_by_squaring for more details.
- do {
- if (n % 2) {
- result += string;
- }
- n = nativeFloor(n / 2);
- if (n) {
- string += string;
- }
- } while (n);
- return result;
+ // Dispatch the end event.
+ if (self.state === ENDING) {
+ self.on.call("end", node, node.__data__, self.index, self.group);
+ stop();
+ }
}
- /**
- * The base implementation of `_.rest` which doesn't validate or coerce arguments.
- *
- * @private
- * @param {Function} func The function to apply a rest parameter to.
- * @param {number} [start=func.length-1] The start position of the rest parameter.
- * @returns {Function} Returns the new function.
- */
- function baseRest(func, start) {
- return setToString(overRest(func, start, identity), func + '');
+ 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;
}
+ }
- /**
- * The base implementation of `_.sample`.
- *
- * @private
- * @param {Array|Object} collection The collection to sample.
- * @returns {*} Returns the random element.
- */
- function baseSample(collection) {
- return arraySample(values(collection));
- }
+ function interrupt(node, name) {
+ var schedules = node.__transition,
+ schedule$$1,
+ active,
+ empty = true,
+ i;
- /**
- * The base implementation of `_.sampleSize` without param guards.
- *
- * @private
- * @param {Array|Object} collection The collection to sample.
- * @param {number} n The number of elements to sample.
- * @returns {Array} Returns the random elements.
- */
- function baseSampleSize(collection, n) {
- var array = values(collection);
- return shuffleSelf(array, baseClamp(n, 0, array.length));
+ if (!schedules) return;
+
+ name = name == null ? null : name + "";
+
+ for (i in schedules) {
+ if ((schedule$$1 = schedules[i]).name !== name) { empty = false; continue; }
+ active = schedule$$1.state > STARTING && schedule$$1.state < ENDING;
+ schedule$$1.state = ENDED;
+ schedule$$1.timer.stop();
+ if (active) schedule$$1.on.call("interrupt", node, node.__data__, schedule$$1.index, schedule$$1.group);
+ delete schedules[i];
}
- /**
- * The base implementation of `_.set`.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {Array|string} path The path of the property to set.
- * @param {*} value The value to set.
- * @param {Function} [customizer] The function to customize path creation.
- * @returns {Object} Returns `object`.
- */
- function baseSet(object, path, value, customizer) {
- if (!isObject(object)) {
- return object;
+ 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$$1 = set$1(this, id),
+ tween = schedule$$1.tween;
+
+ // If this node shared tween with the previous node,
+ // just assign the updated shared tween and weâre 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;
+ }
+ }
}
- 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 (index != lastIndex) {
- var objValue = nested[key];
- newValue = customizer ? customizer(objValue, key, nested) : undefined;
- if (newValue === undefined) {
- newValue = isObject(objValue)
- ? objValue
- : (isIndex(path[index + 1]) ? [] : {});
+ schedule$$1.tween = tween1;
+ };
+ }
+
+ function tweenFunction(id, name, value) {
+ var tween0, tween1;
+ if (typeof value !== "function") throw new Error;
+ return function() {
+ var schedule$$1 = set$1(this, id),
+ tween = schedule$$1.tween;
+
+ // If this node shared tween with the previous node,
+ // just assign the updated shared tween and weâre done!
+ // Otherwise, copy-on-write.
+ if (tween !== tween0) {
+ tween1 = (tween0 = tween).slice();
+ for (var t = {name: name, value: value}, i = 0, n = tween1.length; i < n; ++i) {
+ if (tween1[i].name === name) {
+ tween1[i] = t;
+ break;
}
}
- assignValue(nested, key, newValue);
- nested = nested[key];
+ if (i === n) tween1.push(t);
}
- return object;
+
+ schedule$$1.tween = tween1;
+ };
+ }
+
+ function transition_tween(name, value) {
+ var id = this._id;
+
+ name += "";
+
+ if (arguments.length < 2) {
+ var tween = get$1(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;
}
- /**
- * The base implementation of `setData` without support for hot loop shorting.
- *
- * @private
- * @param {Function} func The function to associate metadata with.
- * @param {*} data The metadata.
- * @returns {Function} Returns `func`.
- */
- var baseSetData = !metaMap ? identity : function(func, data) {
- metaMap.set(func, data);
- return func;
+ return this.each((value == null ? tweenRemove : tweenFunction)(id, name, value));
+ }
+
+ function tweenValue(transition, name, value) {
+ var id = transition._id;
+
+ transition.each(function() {
+ var schedule$$1 = set$1(this, id);
+ (schedule$$1.value || (schedule$$1.value = {}))[name] = value.apply(this, arguments);
+ });
+
+ return function(node) {
+ return get$1(node, id).value[name];
};
+ }
- /**
- * The base implementation of `setToString` without support for hot loop shorting.
- *
- * @private
- * @param {Function} func The function to modify.
- * @param {Function} string The `toString` result.
- * @returns {Function} Returns `func`.
- */
- var baseSetToString = !defineProperty ? identity : function(func, string) {
- return defineProperty(func, 'toString', {
- 'configurable': true,
- 'enumerable': false,
- 'value': constant(string),
- 'writable': true
- });
+ function interpolate$1(a, b) {
+ var c;
+ return (typeof b === "number" ? interpolateNumber
+ : b instanceof color ? interpolateRgb
+ : (c = color(b)) ? (b = c, interpolateRgb)
+ : interpolateString)(a, b);
+ }
+
+ function attrRemove$1(name) {
+ return function() {
+ this.removeAttribute(name);
};
+ }
- /**
- * The base implementation of `_.shuffle`.
- *
- * @private
- * @param {Array|Object} collection The collection to shuffle.
- * @returns {Array} Returns the new shuffled array.
- */
- function baseShuffle(collection) {
- return shuffleSelf(values(collection));
- }
+ function attrRemoveNS$1(fullname) {
+ return function() {
+ this.removeAttributeNS(fullname.space, fullname.local);
+ };
+ }
- /**
- * The base implementation of `_.slice` without an iteratee call guard.
- *
- * @private
- * @param {Array} array The array to slice.
- * @param {number} [start=0] The start position.
- * @param {number} [end=array.length] The end position.
- * @returns {Array} Returns the slice of `array`.
- */
- function baseSlice(array, start, end) {
- var index = -1,
- length = array.length;
+ function attrConstant$1(name, interpolate$$1, value1) {
+ var value00,
+ interpolate0;
+ return function() {
+ var value0 = this.getAttribute(name);
+ return value0 === value1 ? null
+ : value0 === value00 ? interpolate0
+ : interpolate0 = interpolate$$1(value00 = value0, value1);
+ };
+ }
- if (start < 0) {
- start = -start > length ? 0 : (length + start);
- }
- end = end > length ? length : end;
- if (end < 0) {
- end += length;
- }
- length = start > end ? 0 : ((end - start) >>> 0);
- start >>>= 0;
+ function attrConstantNS$1(fullname, interpolate$$1, value1) {
+ var value00,
+ interpolate0;
+ return function() {
+ var value0 = this.getAttributeNS(fullname.space, fullname.local);
+ return value0 === value1 ? null
+ : value0 === value00 ? interpolate0
+ : interpolate0 = interpolate$$1(value00 = value0, value1);
+ };
+ }
- var result = Array(length);
- while (++index < length) {
- result[index] = array[index + start];
- }
- return result;
- }
+ function attrFunction$1(name, interpolate$$1, value) {
+ var value00,
+ value10,
+ interpolate0;
+ return function() {
+ var value0, value1 = value(this);
+ if (value1 == null) return void this.removeAttribute(name);
+ value0 = this.getAttribute(name);
+ return value0 === value1 ? null
+ : value0 === value00 && value1 === value10 ? interpolate0
+ : interpolate0 = interpolate$$1(value00 = value0, value10 = value1);
+ };
+ }
- /**
- * The base implementation of `_.some` without support for iteratee shorthands.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} predicate The function invoked per iteration.
- * @returns {boolean} Returns `true` if any element passes the predicate check,
- * else `false`.
- */
- function baseSome(collection, predicate) {
- var result;
+ function attrFunctionNS$1(fullname, interpolate$$1, value) {
+ var value00,
+ value10,
+ interpolate0;
+ return function() {
+ var value0, value1 = value(this);
+ if (value1 == null) return void this.removeAttributeNS(fullname.space, fullname.local);
+ value0 = this.getAttributeNS(fullname.space, fullname.local);
+ return value0 === value1 ? null
+ : value0 === value00 && value1 === value10 ? interpolate0
+ : interpolate0 = interpolate$$1(value00 = value0, value10 = value1);
+ };
+ }
- baseEach(collection, function(value, index, collection) {
- result = predicate(value, index, collection);
- return !result;
- });
- return !!result;
- }
+ 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 + ""));
+ }
- /**
- * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which
- * performs a binary search of `array` to determine the index at which `value`
- * should be inserted into `array` in order to maintain its sort order.
- *
- * @private
- * @param {Array} array The sorted array to inspect.
- * @param {*} value The value to evaluate.
- * @param {boolean} [retHighest] Specify returning the highest qualified index.
- * @returns {number} Returns the index at which `value` should be inserted
- * into `array`.
- */
- function baseSortedIndex(array, value, retHighest) {
- var low = 0,
- high = array == null ? low : array.length;
-
- if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) {
- while (low < high) {
- var mid = (low + high) >>> 1,
- computed = array[mid];
-
- if (computed !== null && !isSymbol(computed) &&
- (retHighest ? (computed <= value) : (computed < value))) {
- low = mid + 1;
- } else {
- high = mid;
- }
- }
- return high;
- }
- return baseSortedIndexBy(array, value, identity, retHighest);
+ function attrTweenNS(fullname, value) {
+ function tween() {
+ var node = this, i = value.apply(node, arguments);
+ return i && function(t) {
+ node.setAttributeNS(fullname.space, fullname.local, i(t));
+ };
}
+ tween._value = value;
+ return tween;
+ }
- /**
- * The base implementation of `_.sortedIndexBy` and `_.sortedLastIndexBy`
- * which invokes `iteratee` for `value` and each element of `array` to compute
- * their sort ranking. The iteratee is invoked with one argument; (value).
- *
- * @private
- * @param {Array} array The sorted array to inspect.
- * @param {*} value The value to evaluate.
- * @param {Function} iteratee The iteratee invoked per element.
- * @param {boolean} [retHighest] Specify returning the highest qualified index.
- * @returns {number} Returns the index at which `value` should be inserted
- * into `array`.
- */
- function baseSortedIndexBy(array, value, iteratee, retHighest) {
- value = iteratee(value);
-
- var low = 0,
- high = array == null ? 0 : array.length,
- valIsNaN = value !== value,
- valIsNull = value === null,
- valIsSymbol = isSymbol(value),
- valIsUndefined = value === undefined;
-
- while (low < high) {
- var mid = nativeFloor((low + high) / 2),
- computed = iteratee(array[mid]),
- othIsDefined = computed !== undefined,
- othIsNull = computed === null,
- othIsReflexive = computed === computed,
- othIsSymbol = isSymbol(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 nativeMin(high, MAX_ARRAY_INDEX);
+ function attrTween(name, value) {
+ function tween() {
+ var node = this, i = value.apply(node, arguments);
+ return i && function(t) {
+ node.setAttribute(name, i(t));
+ };
}
+ tween._value = value;
+ return tween;
+ }
- /**
- * The base implementation of `_.sortedUniq` and `_.sortedUniqBy` without
- * support for iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @returns {Array} Returns the new duplicate free array.
- */
- function baseSortedUniq(array, iteratee) {
- var index = -1,
- length = array.length,
- resIndex = 0,
- result = [];
+ 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));
+ }
- while (++index < length) {
- var value = array[index],
- computed = iteratee ? iteratee(value) : 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$1(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;
+ };
+ }
- if (!index || !eq(computed, seen)) {
- var seen = computed;
- result[resIndex++] = value === 0 ? 0 : value;
+ function transition_duration(value) {
+ var id = this._id;
+
+ return arguments.length
+ ? this.each((typeof value === "function"
+ ? durationFunction
+ : durationConstant)(id, value))
+ : get$1(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$1(this.node(), id).ease;
+ }
+
+ function transition_filter(match) {
+ if (typeof match !== "function") match = matcher$1(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 result;
}
- /**
- * The base implementation of `_.toNumber` which doesn't ensure correct
- * conversions of binary, hexadecimal, or octal string values.
- *
- * @private
- * @param {*} value The value to process.
- * @returns {number} Returns the number.
- */
- function baseToNumber(value) {
- if (typeof value == 'number') {
- return value;
- }
- if (isSymbol(value)) {
- return NAN;
- }
- return +value;
- }
+ return new Transition(subgroups, this._parents, this._name, this._id);
+ }
- /**
- * The base implementation of `_.toString` which doesn't convert nullish
- * values to empty strings.
- *
- * @private
- * @param {*} value The value to process.
- * @returns {string} Returns the string.
- */
- function baseToString(value) {
- // Exit early for strings to avoid a performance hit in some environments.
- if (typeof value == 'string') {
- return value;
- }
- if (isArray(value)) {
- // Recursively convert values (susceptible to call stack limits).
- return arrayMap(value, baseToString) + '';
- }
- if (isSymbol(value)) {
- return symbolToString ? symbolToString.call(value) : '';
- }
- var result = (value + '');
- return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
- }
+ function transition_merge(transition$$1) {
+ if (transition$$1._id !== this._id) throw new Error;
- /**
- * The base implementation of `_.uniqBy` without support for iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new duplicate free array.
- */
- function baseUniq(array, iteratee, comparator) {
- var index = -1,
- includes = arrayIncludes,
- length = array.length,
- isCommon = true,
- result = [],
- seen = result;
-
- if (comparator) {
- isCommon = false;
- includes = arrayIncludesWith;
- }
- else if (length >= LARGE_ARRAY_SIZE) {
- var set = iteratee ? null : createSet(array);
- if (set) {
- return setToArray(set);
- }
- isCommon = false;
- includes = cacheHas;
- seen = new SetCache;
- }
- else {
- seen = iteratee ? [] : result;
- }
- outer:
- while (++index < length) {
- var value = array[index],
- computed = iteratee ? iteratee(value) : value;
-
- value = (comparator || value !== 0) ? value : 0;
- if (isCommon && computed === computed) {
- var seenIndex = seen.length;
- while (seenIndex--) {
- if (seen[seenIndex] === computed) {
- continue outer;
- }
- }
- if (iteratee) {
- seen.push(computed);
- }
- result.push(value);
- }
- else if (!includes(seen, computed, comparator)) {
- if (seen !== result) {
- seen.push(computed);
- }
- result.push(value);
+ for (var groups0 = this._groups, groups1 = transition$$1._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;
}
}
- return result;
}
- /**
- * The base implementation of `_.unset`.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {Array|string} path The property path to unset.
- * @returns {boolean} Returns `true` if the property is deleted, else `false`.
- */
- function baseUnset(object, path) {
- path = castPath(path, object);
- object = parent(object, path);
- var key = toKey(last(path));
- return !(object != null && hasOwnProperty.call(object, key)) || delete object[key];
+ for (; j < m0; ++j) {
+ merges[j] = groups0[j];
}
- /**
- * The base implementation of `_.update`.
- *
- * @private
- * @param {Object} object The object to modify.
- * @param {Array|string} path The path of the property to update.
- * @param {Function} updater The function to produce the updated value.
- * @param {Function} [customizer] The function to customize path creation.
- * @returns {Object} Returns `object`.
- */
- function baseUpdate(object, path, updater, customizer) {
- return baseSet(object, path, updater(baseGet(object, path)), customizer);
- }
+ return new Transition(merges, this._parents, this._name, this._id);
+ }
- /**
- * The base implementation of methods like `_.dropWhile` and `_.takeWhile`
- * without support for iteratee shorthands.
- *
- * @private
- * @param {Array} array The array to query.
- * @param {Function} predicate The function invoked per iteration.
- * @param {boolean} [isDrop] Specify dropping elements instead of taking them.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Array} Returns the slice of `array`.
- */
- function baseWhile(array, predicate, isDrop, fromRight) {
- var length = array.length,
- index = fromRight ? length : -1;
+ 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$$1 = sit(this, id),
+ on = schedule$$1.on;
- while ((fromRight ? index-- : ++index < length) &&
- predicate(array[index], index, array)) {}
+ // If this node shared a dispatch with the previous node,
+ // just assign the updated shared dispatch and weâre done!
+ // Otherwise, copy-on-write.
+ if (on !== on0) (on1 = (on0 = on).copy()).on(name, listener);
- return isDrop
- ? baseSlice(array, (fromRight ? 0 : index), (fromRight ? index + 1 : length))
- : baseSlice(array, (fromRight ? index + 1 : 0), (fromRight ? length : index));
- }
+ schedule$$1.on = on1;
+ };
+ }
- /**
- * The base implementation of `wrapperValue` which returns the result of
- * performing a sequence of actions on the unwrapped `value`, where each
- * successive action is supplied the return value of the previous.
- *
- * @private
- * @param {*} value The unwrapped value.
- * @param {Array} actions Actions to perform to resolve the unwrapped value.
- * @returns {*} Returns the resolved value.
- */
- function baseWrapperValue(value, actions) {
- var result = value;
- if (result instanceof LazyWrapper) {
- result = result.value();
+ function transition_on(name, listener) {
+ var id = this._id;
+
+ return arguments.length < 2
+ ? get$1(this.node(), id).on.on(name)
+ : this.each(onFunction(id, name, listener));
+ }
+
+ function removeFunction(id) {
+ return function() {
+ var parent = this.parentNode;
+ for (var i in this.__transition) if (+i !== id) return;
+ if (parent) parent.removeChild(this);
+ };
+ }
+
+ function transition_remove() {
+ return this.on("end.remove", removeFunction(this._id));
+ }
+
+ function transition_select(select$$1) {
+ var name = this._name,
+ id = this._id;
+
+ if (typeof select$$1 !== "function") select$$1 = selector(select$$1);
+
+ for (var groups = this._groups, m = groups.length, subgroups = new Array(m), j = 0; j < m; ++j) {
+ for (var group = groups[j], n = group.length, subgroup = subgroups[j] = new Array(n), node, subnode, i = 0; i < n; ++i) {
+ if ((node = group[i]) && (subnode = select$$1.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$1(node, id));
+ }
}
- return arrayReduce(actions, function(result, action) {
- return action.func.apply(action.thisArg, arrayPush([result], action.args));
- }, result);
}
- /**
- * The base implementation of methods like `_.xor`, without support for
- * iteratee shorthands, that accepts an array of arrays to inspect.
- *
- * @private
- * @param {Array} arrays The arrays to inspect.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of values.
- */
- function baseXor(arrays, iteratee, comparator) {
- var length = arrays.length;
- if (length < 2) {
- return length ? baseUniq(arrays[0]) : [];
- }
- var index = -1,
- result = Array(length);
+ return new Transition(subgroups, this._parents, name, id);
+ }
- while (++index < length) {
- var array = arrays[index],
- othIndex = -1;
+ function transition_selectAll(select$$1) {
+ var name = this._name,
+ id = this._id;
- while (++othIndex < length) {
- if (othIndex != index) {
- result[index] = baseDifference(result[index] || array, arrays[othIndex], iteratee, comparator);
+ if (typeof select$$1 !== "function") select$$1 = selectorAll(select$$1);
+
+ 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$$1.call(node, node.__data__, i, group), child, inherit = get$1(node, id), k = 0, l = children.length; k < l; ++k) {
+ if (child = children[k]) {
+ schedule(child, name, id, k, children, inherit);
+ }
}
+ subgroups.push(children);
+ parents.push(node);
}
}
- return baseUniq(baseFlatten(result, 1), iteratee, comparator);
}
- /**
- * This base implementation of `_.zipObject` which assigns values using `assignFunc`.
- *
- * @private
- * @param {Array} props The property identifiers.
- * @param {Array} values The property values.
- * @param {Function} assignFunc The function to assign values.
- * @returns {Object} Returns the new object.
- */
- function baseZipObject(props, values, assignFunc) {
- var index = -1,
- length = props.length,
- valsLength = values.length,
- result = {};
+ return new Transition(subgroups, parents, name, id);
+ }
- while (++index < length) {
- var value = index < valsLength ? values[index] : undefined;
- assignFunc(result, props[index], value);
- }
- return result;
- }
+ var Selection$1 = selection.prototype.constructor;
- /**
- * Casts `value` to an empty array if it's not an array like object.
- *
- * @private
- * @param {*} value The value to inspect.
- * @returns {Array|Object} Returns the cast array-like object.
- */
- function castArrayLikeObject(value) {
- return isArrayLikeObject(value) ? value : [];
- }
+ function transition_selection() {
+ return new Selection$1(this._groups, this._parents);
+ }
- /**
- * Casts `value` to `identity` if it's not a function.
- *
- * @private
- * @param {*} value The value to inspect.
- * @returns {Function} Returns cast function.
- */
- function castFunction(value) {
- return typeof value == 'function' ? value : identity;
- }
+ function styleRemove$1(name, interpolate$$1) {
+ var value00,
+ value10,
+ interpolate0;
+ return function() {
+ var value0 = styleValue(this, name),
+ value1 = (this.style.removeProperty(name), styleValue(this, name));
+ return value0 === value1 ? null
+ : value0 === value00 && value1 === value10 ? interpolate0
+ : interpolate0 = interpolate$$1(value00 = value0, value10 = value1);
+ };
+ }
- /**
- * Casts `value` to a path array if it's not one.
- *
- * @private
- * @param {*} value The value to inspect.
- * @param {Object} [object] The object to query keys on.
- * @returns {Array} Returns the cast property path array.
- */
- function castPath(value, object) {
- if (isArray(value)) {
- return value;
- }
- return isKey(value, object) ? [value] : stringToPath(toString(value));
- }
+ function styleRemoveEnd(name) {
+ return function() {
+ this.style.removeProperty(name);
+ };
+ }
- /**
- * A `baseRest` alias which can be replaced with `identity` by module
- * replacement plugins.
- *
- * @private
- * @type {Function}
- * @param {Function} func The function to apply a rest parameter to.
- * @returns {Function} Returns the new function.
- */
- var castRest = baseRest;
+ function styleConstant$1(name, interpolate$$1, value1) {
+ var value00,
+ interpolate0;
+ return function() {
+ var value0 = styleValue(this, name);
+ return value0 === value1 ? null
+ : value0 === value00 ? interpolate0
+ : interpolate0 = interpolate$$1(value00 = value0, value1);
+ };
+ }
- /**
- * Casts `array` to a slice if it's needed.
- *
- * @private
- * @param {Array} array The array to inspect.
- * @param {number} start The start position.
- * @param {number} [end=array.length] The end position.
- * @returns {Array} Returns the cast slice.
- */
- function castSlice(array, start, end) {
- var length = array.length;
- end = end === undefined ? length : end;
- return (!start && end >= length) ? array : baseSlice(array, start, end);
+ function styleFunction$1(name, interpolate$$1, value) {
+ var value00,
+ value10,
+ interpolate0;
+ return function() {
+ var value0 = styleValue(this, name),
+ value1 = value(this);
+ if (value1 == null) value1 = (this.style.removeProperty(name), styleValue(this, name));
+ return value0 === value1 ? null
+ : value0 === value00 && value1 === value10 ? interpolate0
+ : interpolate0 = interpolate$$1(value00 = value0, value10 = value1);
+ };
+ }
+
+ function transition_style(name, value, priority) {
+ var i = (name += "") === "transform" ? interpolateTransformCss : interpolate$1;
+ return value == null ? this
+ .styleTween(name, styleRemove$1(name, i))
+ .on("end.style." + name, styleRemoveEnd(name))
+ : this.styleTween(name, typeof value === "function"
+ ? styleFunction$1(name, i, tweenValue(this, "style." + name, value))
+ : styleConstant$1(name, i, value + ""), priority);
+ }
+
+ function styleTween(name, value, priority) {
+ function tween() {
+ var node = this, i = value.apply(node, arguments);
+ return i && function(t) {
+ node.style.setProperty(name, i(t), priority);
+ };
}
+ tween._value = value;
+ return tween;
+ }
- /**
- * A simple wrapper around the global [`clearTimeout`](https://mdn.io/clearTimeout).
- *
- * @private
- * @param {number|Object} id The timer id or timeout object of the timer to clear.
- */
- var clearTimeout = ctxClearTimeout || function(id) {
- return root.clearTimeout(id);
- };
+ 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));
+ }
- /**
- * Creates a clone of `buffer`.
- *
- * @private
- * @param {Buffer} buffer The buffer to clone.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Buffer} Returns the cloned buffer.
- */
- function cloneBuffer(buffer, isDeep) {
- if (isDeep) {
- return buffer.slice();
- }
- var length = buffer.length,
- result = allocUnsafe ? allocUnsafe(length) : new buffer.constructor(length);
+ function textConstant$1(value) {
+ return function() {
+ this.textContent = value;
+ };
+ }
- buffer.copy(result);
- return result;
- }
+ function textFunction$1(value) {
+ return function() {
+ var value1 = value(this);
+ this.textContent = value1 == null ? "" : value1;
+ };
+ }
- /**
- * Creates a clone of `arrayBuffer`.
- *
- * @private
- * @param {ArrayBuffer} arrayBuffer The array buffer to clone.
- * @returns {ArrayBuffer} Returns the cloned array buffer.
- */
- function cloneArrayBuffer(arrayBuffer) {
- var result = new arrayBuffer.constructor(arrayBuffer.byteLength);
- new Uint8Array(result).set(new Uint8Array(arrayBuffer));
- return result;
- }
+ function transition_text(value) {
+ return this.tween("text", typeof value === "function"
+ ? textFunction$1(tweenValue(this, "text", value))
+ : textConstant$1(value == null ? "" : value + ""));
+ }
- /**
- * Creates a clone of `dataView`.
- *
- * @private
- * @param {Object} dataView The data view to clone.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the cloned data view.
- */
- function cloneDataView(dataView, isDeep) {
- var buffer = isDeep ? cloneArrayBuffer(dataView.buffer) : dataView.buffer;
- return new dataView.constructor(buffer, dataView.byteOffset, dataView.byteLength);
- }
+ function transition_transition() {
+ var name = this._name,
+ id0 = this._id,
+ id1 = newId();
- /**
- * Creates a clone of `map`.
- *
- * @private
- * @param {Object} map The map to clone.
- * @param {Function} cloneFunc The function to clone values.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the cloned map.
- */
- function cloneMap(map, isDeep, cloneFunc) {
- var array = isDeep ? cloneFunc(mapToArray(map), CLONE_DEEP_FLAG) : mapToArray(map);
- return arrayReduce(array, addMapEntry, new map.constructor);
+ 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$1(node, id0);
+ schedule(node, name, id1, i, group, {
+ time: inherit.time + inherit.delay + inherit.duration,
+ delay: 0,
+ duration: inherit.duration,
+ ease: inherit.ease
+ });
+ }
+ }
}
- /**
- * Creates a clone of `regexp`.
- *
- * @private
- * @param {Object} regexp The regexp to clone.
- * @returns {Object} Returns the cloned regexp.
- */
- function cloneRegExp(regexp) {
- var result = new regexp.constructor(regexp.source, reFlags.exec(regexp));
- result.lastIndex = regexp.lastIndex;
- return result;
- }
+ return new Transition(groups, this._parents, name, id1);
+ }
- /**
- * Creates a clone of `set`.
- *
- * @private
- * @param {Object} set The set to clone.
- * @param {Function} cloneFunc The function to clone values.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the cloned set.
- */
- function cloneSet(set, isDeep, cloneFunc) {
- var array = isDeep ? cloneFunc(setToArray(set), CLONE_DEEP_FLAG) : setToArray(set);
- return arrayReduce(array, addSetEntry, new set.constructor);
- }
+ var id = 0;
- /**
- * Creates a clone of the `symbol` object.
- *
- * @private
- * @param {Object} symbol The symbol object to clone.
- * @returns {Object} Returns the cloned symbol object.
- */
- function cloneSymbol(symbol) {
- return symbolValueOf ? Object(symbolValueOf.call(symbol)) : {};
- }
+ function Transition(groups, parents, name, id) {
+ this._groups = groups;
+ this._parents = parents;
+ this._name = name;
+ this._id = id;
+ }
- /**
- * Creates a clone of `typedArray`.
- *
- * @private
- * @param {Object} typedArray The typed array to clone.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the cloned typed array.
- */
- function cloneTypedArray(typedArray, isDeep) {
- var buffer = isDeep ? cloneArrayBuffer(typedArray.buffer) : typedArray.buffer;
- return new typedArray.constructor(buffer, typedArray.byteOffset, typedArray.length);
- }
+ function transition(name) {
+ return selection().transition(name);
+ }
- /**
- * Compares values to sort them in ascending order.
- *
- * @private
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {number} Returns the sort order indicator for `value`.
- */
- function compareAscending(value, other) {
- if (value !== other) {
- var valIsDefined = value !== undefined,
- valIsNull = value === null,
- valIsReflexive = value === value,
- valIsSymbol = isSymbol(value);
-
- var othIsDefined = other !== undefined,
- othIsNull = other === null,
- othIsReflexive = other === other,
- othIsSymbol = isSymbol(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 newId() {
+ return ++id;
+ }
- /**
- * Used by `_.orderBy` to compare multiple properties of a value to another
- * and stable sort them.
- *
- * If `orders` is unspecified, all values are sorted in ascending order. Otherwise,
- * specify an order of "desc" for descending or "asc" for ascending sort order
- * of corresponding values.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {boolean[]|string[]} orders The order to sort by for each property.
- * @returns {number} Returns the sort order indicator for `object`.
- */
- function compareMultiple(object, other, orders) {
- var index = -1,
- objCriteria = object.criteria,
- othCriteria = other.criteria,
- length = objCriteria.length,
- ordersLength = orders.length;
+ var selection_prototype = selection.prototype;
- while (++index < length) {
- var result = compareAscending(objCriteria[index], othCriteria[index]);
- if (result) {
- if (index >= ordersLength) {
- return result;
- }
- var order = orders[index];
- return result * (order == 'desc' ? -1 : 1);
- }
- }
- // Fixes an `Array#sort` bug in the JS engine embedded in Adobe applications
- // that causes it, under certain circumstances, to provide the same value for
- // `object` and `other`. See https://github.com/jashkenas/underscore/pull/1247
- // for more details.
- //
- // This also ensures a stable sort in V8 and other engines.
- // See https://bugs.chromium.org/p/v8/issues/detail?id=90 for more details.
- return object.index - other.index;
- }
+ 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,
+ remove: transition_remove,
+ tween: transition_tween,
+ delay: transition_delay,
+ duration: transition_duration,
+ ease: transition_ease
+ };
- /**
- * Creates an array that is the composition of partially applied arguments,
- * placeholders, and provided arguments into a single array of arguments.
- *
- * @private
- * @param {Array} args The provided arguments.
- * @param {Array} partials The arguments to prepend to those provided.
- * @param {Array} holders The `partials` placeholder indexes.
- * @params {boolean} [isCurried] Specify composing for a curried function.
- * @returns {Array} Returns the new array of composed arguments.
- */
- function composeArgs(args, partials, holders, isCurried) {
- var argsIndex = -1,
- argsLength = args.length,
- holdersLength = holders.length,
- leftIndex = -1,
- leftLength = partials.length,
- rangeLength = nativeMax(argsLength - holdersLength, 0),
- result = Array(leftLength + rangeLength),
- isUncurried = !isCurried;
+ function linear$1(t) {
+ return +t;
+ }
- while (++leftIndex < leftLength) {
- result[leftIndex] = partials[leftIndex];
- }
- while (++argsIndex < holdersLength) {
- if (isUncurried || argsIndex < argsLength) {
- result[holders[argsIndex]] = args[argsIndex];
- }
- }
- while (rangeLength--) {
- result[leftIndex++] = args[argsIndex++];
- }
- return result;
- }
+ function quadIn(t) {
+ return t * t;
+ }
- /**
- * This function is like `composeArgs` except that the arguments composition
- * is tailored for `_.partialRight`.
- *
- * @private
- * @param {Array} args The provided arguments.
- * @param {Array} partials The arguments to append to those provided.
- * @param {Array} holders The `partials` placeholder indexes.
- * @params {boolean} [isCurried] Specify composing for a curried function.
- * @returns {Array} Returns the new array of composed arguments.
- */
- function composeArgsRight(args, partials, holders, isCurried) {
- var argsIndex = -1,
- argsLength = args.length,
- holdersIndex = -1,
- holdersLength = holders.length,
- rightIndex = -1,
- rightLength = partials.length,
- rangeLength = nativeMax(argsLength - holdersLength, 0),
- result = Array(rangeLength + rightLength),
- isUncurried = !isCurried;
-
- while (++argsIndex < rangeLength) {
- result[argsIndex] = args[argsIndex];
- }
- var offset = argsIndex;
- while (++rightIndex < rightLength) {
- result[offset + rightIndex] = partials[rightIndex];
- }
- while (++holdersIndex < holdersLength) {
- if (isUncurried || argsIndex < argsLength) {
- result[offset + holders[holdersIndex]] = args[argsIndex++];
- }
- }
- return result;
- }
+ function quadOut(t) {
+ return t * (2 - t);
+ }
- /**
- * Copies the values of `source` to `array`.
- *
- * @private
- * @param {Array} source The array to copy values from.
- * @param {Array} [array=[]] The array to copy values to.
- * @returns {Array} Returns `array`.
- */
- function copyArray(source, array) {
- var index = -1,
- length = source.length;
+ function quadInOut(t) {
+ return ((t *= 2) <= 1 ? t * t : --t * (2 - t) + 1) / 2;
+ }
- array || (array = Array(length));
- while (++index < length) {
- array[index] = source[index];
- }
- return array;
- }
+ function cubicIn(t) {
+ return t * t * t;
+ }
- /**
- * Copies properties of `source` to `object`.
- *
- * @private
- * @param {Object} source The object to copy properties from.
- * @param {Array} props The property identifiers to copy.
- * @param {Object} [object={}] The object to copy properties to.
- * @param {Function} [customizer] The function to customize copied values.
- * @returns {Object} Returns `object`.
- */
- function copyObject(source, props, object, customizer) {
- var isNew = !object;
- object || (object = {});
+ function cubicOut(t) {
+ return --t * t * t + 1;
+ }
- var index = -1,
- length = props.length;
+ function cubicInOut(t) {
+ return ((t *= 2) <= 1 ? t * t * t : (t -= 2) * t * t + 2) / 2;
+ }
- while (++index < length) {
- var key = props[index];
+ var exponent = 3;
- var newValue = customizer
- ? customizer(object[key], source[key], key, object, source)
- : undefined;
+ var polyIn = (function custom(e) {
+ e = +e;
- if (newValue === undefined) {
- newValue = source[key];
- }
- if (isNew) {
- baseAssignValue(object, key, newValue);
- } else {
- assignValue(object, key, newValue);
- }
- }
- return object;
+ function polyIn(t) {
+ return Math.pow(t, e);
}
- /**
- * Copies own symbols of `source` to `object`.
- *
- * @private
- * @param {Object} source The object to copy symbols from.
- * @param {Object} [object={}] The object to copy symbols to.
- * @returns {Object} Returns `object`.
- */
- function copySymbols(source, object) {
- return copyObject(source, getSymbols(source), object);
- }
+ polyIn.exponent = custom;
- /**
- * Copies own and inherited symbols of `source` to `object`.
- *
- * @private
- * @param {Object} source The object to copy symbols from.
- * @param {Object} [object={}] The object to copy symbols to.
- * @returns {Object} Returns `object`.
- */
- function copySymbolsIn(source, object) {
- return copyObject(source, getSymbolsIn(source), object);
- }
+ return polyIn;
+ })(exponent);
- /**
- * Creates a function like `_.groupBy`.
- *
- * @private
- * @param {Function} setter The function to set accumulator values.
- * @param {Function} [initializer] The accumulator object initializer.
- * @returns {Function} Returns the new aggregator function.
- */
- function createAggregator(setter, initializer) {
- return function(collection, iteratee) {
- var func = isArray(collection) ? arrayAggregator : baseAggregator,
- accumulator = initializer ? initializer() : {};
+ var polyOut = (function custom(e) {
+ e = +e;
- return func(collection, setter, getIteratee(iteratee, 2), accumulator);
- };
+ function polyOut(t) {
+ return 1 - Math.pow(1 - t, e);
}
- /**
- * Creates a function like `_.assign`.
- *
- * @private
- * @param {Function} assigner The function to assign values.
- * @returns {Function} Returns the new assigner function.
- */
- function createAssigner(assigner) {
- return baseRest(function(object, sources) {
- var index = -1,
- length = sources.length,
- customizer = length > 1 ? sources[length - 1] : undefined,
- guard = length > 2 ? sources[2] : undefined;
-
- customizer = (assigner.length > 3 && typeof customizer == 'function')
- ? (length--, customizer)
- : undefined;
-
- if (guard && isIterateeCall(sources[0], sources[1], guard)) {
- customizer = length < 3 ? undefined : customizer;
- length = 1;
- }
- object = Object(object);
- while (++index < length) {
- var source = sources[index];
- if (source) {
- assigner(object, source, index, customizer);
- }
- }
- return object;
- });
- }
+ polyOut.exponent = custom;
- /**
- * Creates a `baseEach` or `baseEachRight` function.
- *
- * @private
- * @param {Function} eachFunc The function to iterate over a collection.
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new base function.
- */
- function createBaseEach(eachFunc, fromRight) {
- return function(collection, iteratee) {
- if (collection == null) {
- return collection;
- }
- if (!isArrayLike(collection)) {
- return eachFunc(collection, iteratee);
- }
- var length = collection.length,
- index = fromRight ? length : -1,
- iterable = Object(collection);
+ return polyOut;
+ })(exponent);
- while ((fromRight ? index-- : ++index < length)) {
- if (iteratee(iterable[index], index, iterable) === false) {
- break;
- }
- }
- return collection;
- };
- }
+ var polyInOut = (function custom(e) {
+ e = +e;
- /**
- * Creates a base function for methods like `_.forIn` and `_.forOwn`.
- *
- * @private
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new base function.
- */
- function createBaseFor(fromRight) {
- return function(object, iteratee, keysFunc) {
- var index = -1,
- iterable = Object(object),
- props = keysFunc(object),
- length = props.length;
-
- while (length--) {
- var key = props[fromRight ? length : ++index];
- if (iteratee(iterable[key], key, iterable) === false) {
- break;
- }
- }
- return object;
- };
+ function polyInOut(t) {
+ return ((t *= 2) <= 1 ? Math.pow(t, e) : 2 - Math.pow(2 - t, e)) / 2;
}
- /**
- * Creates a function that wraps `func` to invoke it with the optional `this`
- * binding of `thisArg`.
- *
- * @private
- * @param {Function} func The function to wrap.
- * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
- * @param {*} [thisArg] The `this` binding of `func`.
- * @returns {Function} Returns the new wrapped function.
- */
- function createBind(func, bitmask, thisArg) {
- var isBind = bitmask & WRAP_BIND_FLAG,
- Ctor = createCtor(func);
+ polyInOut.exponent = custom;
- function wrapper() {
- var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
- return fn.apply(isBind ? thisArg : this, arguments);
- }
- return wrapper;
- }
+ return polyInOut;
+ })(exponent);
- /**
- * Creates a function like `_.lowerFirst`.
- *
- * @private
- * @param {string} methodName The name of the `String` case method to use.
- * @returns {Function} Returns the new case function.
- */
- function createCaseFirst(methodName) {
- return function(string) {
- string = toString(string);
+ var pi = Math.PI,
+ halfPi = pi / 2;
- var strSymbols = hasUnicode(string)
- ? stringToArray(string)
- : undefined;
+ function sinIn(t) {
+ return 1 - Math.cos(t * halfPi);
+ }
- var chr = strSymbols
- ? strSymbols[0]
- : string.charAt(0);
+ function sinOut(t) {
+ return Math.sin(t * halfPi);
+ }
- var trailing = strSymbols
- ? castSlice(strSymbols, 1).join('')
- : string.slice(1);
+ function sinInOut(t) {
+ return (1 - Math.cos(pi * t)) / 2;
+ }
- return chr[methodName]() + trailing;
- };
- }
+ function expIn(t) {
+ return Math.pow(2, 10 * t - 10);
+ }
- /**
- * Creates a function like `_.camelCase`.
- *
- * @private
- * @param {Function} callback The function to combine each word.
- * @returns {Function} Returns the new compounder function.
- */
- function createCompounder(callback) {
- return function(string) {
- return arrayReduce(words(deburr(string).replace(reApos, '')), callback, '');
- };
- }
+ function expOut(t) {
+ return 1 - Math.pow(2, -10 * t);
+ }
- /**
- * Creates a function that produces an instance of `Ctor` regardless of
- * whether it was invoked as part of a `new` expression or by `call` or `apply`.
- *
- * @private
- * @param {Function} Ctor The constructor to wrap.
- * @returns {Function} Returns the new wrapped function.
- */
- function createCtor(Ctor) {
- return function() {
- // Use a `switch` statement to work with class constructors. See
- // http://ecma-international.org/ecma-262/7.0/#sec-ecmascript-function-objects-call-thisargument-argumentslist
- // for more details.
- 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),
- result = Ctor.apply(thisBinding, args);
+ function expInOut(t) {
+ return ((t *= 2) <= 1 ? Math.pow(2, 10 * t - 10) : 2 - Math.pow(2, 10 - 10 * t)) / 2;
+ }
- // Mimic the constructor's `return` behavior.
- // See https://es5.github.io/#x13.2.2 for more details.
- return isObject(result) ? result : thisBinding;
- };
- }
+ function circleIn(t) {
+ return 1 - Math.sqrt(1 - t * t);
+ }
- /**
- * Creates a function that wraps `func` to enable currying.
- *
- * @private
- * @param {Function} func The function to wrap.
- * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
- * @param {number} arity The arity of `func`.
- * @returns {Function} Returns the new wrapped function.
- */
- function createCurry(func, bitmask, arity) {
- var Ctor = createCtor(func);
+ function circleOut(t) {
+ return Math.sqrt(1 - --t * t);
+ }
- function wrapper() {
- var length = arguments.length,
- args = Array(length),
- index = length,
- placeholder = getHolder(wrapper);
+ function circleInOut(t) {
+ return ((t *= 2) <= 1 ? 1 - Math.sqrt(1 - t * t) : Math.sqrt(1 - (t -= 2) * t) + 1) / 2;
+ }
- 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, undefined,
- args, holders, undefined, undefined, arity - length);
- }
- var fn = (this && this !== root && this instanceof wrapper) ? Ctor : func;
- return apply(fn, this, args);
- }
- return wrapper;
- }
+ var b1 = 4 / 11,
+ b2 = 6 / 11,
+ b3 = 8 / 11,
+ b4 = 3 / 4,
+ b5 = 9 / 11,
+ b6 = 10 / 11,
+ b7 = 15 / 16,
+ b8 = 21 / 22,
+ b9 = 63 / 64,
+ b0 = 1 / b1 / b1;
- /**
- * Creates a `_.find` or `_.findLast` function.
- *
- * @private
- * @param {Function} findIndexFunc The function to find the collection index.
- * @returns {Function} Returns the new find function.
- */
- function createFind(findIndexFunc) {
- return function(collection, predicate, fromIndex) {
- var iterable = Object(collection);
- if (!isArrayLike(collection)) {
- var iteratee = getIteratee(predicate, 3);
- collection = keys(collection);
- predicate = function(key) { return iteratee(iterable[key], key, iterable); };
- }
- var index = findIndexFunc(collection, predicate, fromIndex);
- return index > -1 ? iterable[iteratee ? collection[index] : index] : undefined;
- };
- }
+ function bounceIn(t) {
+ return 1 - bounceOut(1 - t);
+ }
- /**
- * Creates a `_.flow` or `_.flowRight` function.
- *
- * @private
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new flow function.
- */
- 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 TypeError(FUNC_ERROR_TEXT);
- }
- if (prereq && !wrapper && getFuncName(func) == 'wrapper') {
- var wrapper = new LodashWrapper([], true);
- }
- }
- index = wrapper ? index : length;
- while (++index < length) {
- func = funcs[index];
+ function bounceOut(t) {
+ return (t = +t) < b1 ? b0 * t * t : t < b3 ? b0 * (t -= b2) * t + b4 : t < b6 ? b0 * (t -= b5) * t + b7 : b0 * (t -= b8) * t + b9;
+ }
- var funcName = getFuncName(func),
- data = funcName == 'wrapper' ? getData(func) : undefined;
+ function bounceInOut(t) {
+ return ((t *= 2) <= 1 ? 1 - bounceOut(1 - t) : bounceOut(t - 1) + 1) / 2;
+ }
- 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];
+ var overshoot = 1.70158;
- if (wrapper && args.length == 1 &&
- isArray(value) && value.length >= LARGE_ARRAY_SIZE) {
- return wrapper.plant(value).value();
- }
- var index = 0,
- result = length ? funcs[index].apply(this, args) : value;
+ var backIn = (function custom(s) {
+ s = +s;
- while (++index < length) {
- result = funcs[index].call(this, result);
- }
- return result;
- };
- });
+ function backIn(t) {
+ return t * t * ((s + 1) * t - s);
}
- /**
- * Creates a function that wraps `func` to invoke it with optional `this`
- * binding of `thisArg`, partial application, and currying.
- *
- * @private
- * @param {Function|string} func The function or method name to wrap.
- * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
- * @param {*} [thisArg] The `this` binding of `func`.
- * @param {Array} [partials] The arguments to prepend to those provided to
- * the new function.
- * @param {Array} [holders] The `partials` placeholder indexes.
- * @param {Array} [partialsRight] The arguments to append to those provided
- * to the new function.
- * @param {Array} [holdersRight] The `partialsRight` placeholder indexes.
- * @param {Array} [argPos] The argument positions of the new function.
- * @param {number} [ary] The arity cap of `func`.
- * @param {number} [arity] The arity of `func`.
- * @returns {Function} Returns the new wrapped function.
- */
- function createHybrid(func, bitmask, thisArg, partials, holders, partialsRight, holdersRight, argPos, ary, 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 ? undefined : createCtor(func);
-
- function wrapper() {
- var length = arguments.length,
- args = Array(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, ary, 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 && ary < length) {
- args.length = ary;
- }
- if (this && this !== root && this instanceof wrapper) {
- fn = Ctor || createCtor(fn);
- }
- return fn.apply(thisBinding, args);
- }
- return wrapper;
- }
+ backIn.overshoot = custom;
- /**
- * Creates a function like `_.invertBy`.
- *
- * @private
- * @param {Function} setter The function to set accumulator values.
- * @param {Function} toIteratee The function to resolve iteratees.
- * @returns {Function} Returns the new inverter function.
- */
- function createInverter(setter, toIteratee) {
- return function(object, iteratee) {
- return baseInverter(object, setter, toIteratee(iteratee), {});
- };
- }
+ return backIn;
+ })(overshoot);
- /**
- * Creates a function that performs a mathematical operation on two values.
- *
- * @private
- * @param {Function} operator The function to perform the operation.
- * @param {number} [defaultValue] The value used for `undefined` arguments.
- * @returns {Function} Returns the new mathematical operation function.
- */
- function createMathOperation(operator, defaultValue) {
- return function(value, other) {
- var result;
- if (value === undefined && other === undefined) {
- return defaultValue;
- }
- if (value !== undefined) {
- result = value;
- }
- if (other !== undefined) {
- if (result === undefined) {
- return other;
- }
- if (typeof value == 'string' || typeof other == 'string') {
- value = baseToString(value);
- other = baseToString(other);
- } else {
- value = baseToNumber(value);
- other = baseToNumber(other);
- }
- result = operator(value, other);
- }
- return result;
- };
- }
+ var backOut = (function custom(s) {
+ s = +s;
- /**
- * Creates a function like `_.over`.
- *
- * @private
- * @param {Function} arrayFunc The function to iterate over iteratees.
- * @returns {Function} Returns the new over function.
- */
- function createOver(arrayFunc) {
- return flatRest(function(iteratees) {
- iteratees = arrayMap(iteratees, baseUnary(getIteratee()));
- return baseRest(function(args) {
- var thisArg = this;
- return arrayFunc(iteratees, function(iteratee) {
- return apply(iteratee, thisArg, args);
- });
- });
- });
+ function backOut(t) {
+ return --t * t * ((s + 1) * t + s) + 1;
}
- /**
- * Creates the padding for `string` based on `length`. The `chars` string
- * is truncated if the number of characters exceeds `length`.
- *
- * @private
- * @param {number} length The padding length.
- * @param {string} [chars=' '] The string used as padding.
- * @returns {string} Returns the padding for `string`.
- */
- function createPadding(length, chars) {
- chars = chars === undefined ? ' ' : baseToString(chars);
+ backOut.overshoot = custom;
- var charsLength = chars.length;
- if (charsLength < 2) {
- return charsLength ? baseRepeat(chars, length) : chars;
- }
- var result = baseRepeat(chars, nativeCeil(length / stringSize(chars)));
- return hasUnicode(chars)
- ? castSlice(stringToArray(result), 0, length).join('')
- : result.slice(0, length);
- }
+ return backOut;
+ })(overshoot);
- /**
- * Creates a function that wraps `func` to invoke it with the `this` binding
- * of `thisArg` and `partials` prepended to the arguments it receives.
- *
- * @private
- * @param {Function} func The function to wrap.
- * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
- * @param {*} thisArg The `this` binding of `func`.
- * @param {Array} partials The arguments to prepend to those provided to
- * the new function.
- * @returns {Function} Returns the new wrapped function.
- */
- 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 = Array(leftLength + argsLength),
- fn = (this && this !== root && 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;
- }
+ var backInOut = (function custom(s) {
+ s = +s;
- /**
- * Creates a `_.range` or `_.rangeRight` function.
- *
- * @private
- * @param {boolean} [fromRight] Specify iterating from right to left.
- * @returns {Function} Returns the new range function.
- */
- function createRange(fromRight) {
- return function(start, end, step) {
- if (step && typeof step != 'number' && isIterateeCall(start, end, step)) {
- end = step = undefined;
- }
- // Ensure the sign of `-0` is preserved.
- start = toFinite(start);
- if (end === undefined) {
- end = start;
- start = 0;
- } else {
- end = toFinite(end);
- }
- step = step === undefined ? (start < end ? 1 : -1) : toFinite(step);
- return baseRange(start, end, step, fromRight);
- };
+ function backInOut(t) {
+ return ((t *= 2) < 1 ? t * t * ((s + 1) * t - s) : (t -= 2) * t * ((s + 1) * t + s) + 2) / 2;
}
- /**
- * Creates a function that performs a relational operation on two values.
- *
- * @private
- * @param {Function} operator The function to perform the operation.
- * @returns {Function} Returns the new relational operation function.
- */
- function createRelationalOperation(operator) {
- return function(value, other) {
- if (!(typeof value == 'string' && typeof other == 'string')) {
- value = toNumber(value);
- other = toNumber(other);
- }
- return operator(value, other);
- };
- }
+ backInOut.overshoot = custom;
- /**
- * Creates a function that wraps `func` to continue currying.
- *
- * @private
- * @param {Function} func The function to wrap.
- * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
- * @param {Function} wrapFunc The function to create the `func` wrapper.
- * @param {*} placeholder The placeholder value.
- * @param {*} [thisArg] The `this` binding of `func`.
- * @param {Array} [partials] The arguments to prepend to those provided to
- * the new function.
- * @param {Array} [holders] The `partials` placeholder indexes.
- * @param {Array} [argPos] The argument positions of the new function.
- * @param {number} [ary] The arity cap of `func`.
- * @param {number} [arity] The arity of `func`.
- * @returns {Function} Returns the new wrapped function.
- */
- function createRecurry(func, bitmask, wrapFunc, placeholder, thisArg, partials, holders, argPos, ary, arity) {
- var isCurry = bitmask & WRAP_CURRY_FLAG,
- newHolders = isCurry ? holders : undefined,
- newHoldersRight = isCurry ? undefined : holders,
- newPartials = isCurry ? partials : undefined,
- newPartialsRight = isCurry ? undefined : 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, ary, arity
- ];
+ return backInOut;
+ })(overshoot);
- var result = wrapFunc.apply(undefined, newData);
- if (isLaziable(func)) {
- setData(result, newData);
- }
- result.placeholder = placeholder;
- return setWrapToString(result, func, bitmask);
+ var tau = 2 * Math.PI,
+ amplitude = 1,
+ period = 0.3;
+
+ var elasticIn = (function custom(a, p) {
+ var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
+
+ function elasticIn(t) {
+ return a * Math.pow(2, 10 * --t) * Math.sin((s - t) / p);
}
- /**
- * Creates a function like `_.round`.
- *
- * @private
- * @param {string} methodName The name of the `Math` method to use when rounding.
- * @returns {Function} Returns the new round function.
- */
- function createRound(methodName) {
- var func = Math[methodName];
- return function(number, precision) {
- number = toNumber(number);
- precision = nativeMin(toInteger(precision), 292);
- if (precision) {
- // Shift with exponential notation to avoid floating-point issues.
- // See [MDN](https://mdn.io/round#Examples) for more details.
- var pair = (toString(number) + 'e').split('e'),
- value = func(pair[0] + 'e' + (+pair[1] + precision));
-
- pair = (toString(value) + 'e').split('e');
- return +(pair[0] + 'e' + (+pair[1] - precision));
- }
- return func(number);
- };
+ elasticIn.amplitude = function(a) { return custom(a, p * tau); };
+ elasticIn.period = function(p) { return custom(a, p); };
+
+ return elasticIn;
+ })(amplitude, period);
+
+ var elasticOut = (function custom(a, p) {
+ var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
+
+ function elasticOut(t) {
+ return 1 - a * Math.pow(2, -10 * (t = +t)) * Math.sin((t + s) / p);
}
- /**
- * Creates a set object of `values`.
- *
- * @private
- * @param {Array} values The values to add to the set.
- * @returns {Object} Returns the new set.
- */
- var createSet = !(Set && (1 / setToArray(new Set([,-0]))[1]) == INFINITY) ? noop : function(values) {
- return new Set(values);
- };
+ elasticOut.amplitude = function(a) { return custom(a, p * tau); };
+ elasticOut.period = function(p) { return custom(a, p); };
- /**
- * Creates a `_.toPairs` or `_.toPairsIn` function.
- *
- * @private
- * @param {Function} keysFunc The function to get the keys of a given object.
- * @returns {Function} Returns the new pairs function.
- */
- function createToPairs(keysFunc) {
- return function(object) {
- var tag = getTag(object);
- if (tag == mapTag) {
- return mapToArray(object);
- }
- if (tag == setTag) {
- return setToPairs(object);
- }
- return baseToPairs(object, keysFunc(object));
- };
+ return elasticOut;
+ })(amplitude, period);
+
+ var elasticInOut = (function custom(a, p) {
+ var s = Math.asin(1 / (a = Math.max(1, a))) * (p /= tau);
+
+ function elasticInOut(t) {
+ return ((t = t * 2 - 1) < 0
+ ? a * Math.pow(2, 10 * t) * Math.sin((s - t) / p)
+ : 2 - a * Math.pow(2, -10 * t) * Math.sin((s + t) / p)) / 2;
}
- /**
- * Creates a function that either curries or invokes `func` with optional
- * `this` binding and partially applied arguments.
- *
- * @private
- * @param {Function|string} func The function or method name to wrap.
- * @param {number} bitmask The bitmask flags.
- * 1 - `_.bind`
- * 2 - `_.bindKey`
- * 4 - `_.curry` or `_.curryRight` of a bound function
- * 8 - `_.curry`
- * 16 - `_.curryRight`
- * 32 - `_.partial`
- * 64 - `_.partialRight`
- * 128 - `_.rearg`
- * 256 - `_.ary`
- * 512 - `_.flip`
- * @param {*} [thisArg] The `this` binding of `func`.
- * @param {Array} [partials] The arguments to be partially applied.
- * @param {Array} [holders] The `partials` placeholder indexes.
- * @param {Array} [argPos] The argument positions of the new function.
- * @param {number} [ary] The arity cap of `func`.
- * @param {number} [arity] The arity of `func`.
- * @returns {Function} Returns the new wrapped function.
- */
- function createWrap(func, bitmask, thisArg, partials, holders, argPos, ary, arity) {
- var isBindKey = bitmask & WRAP_BIND_KEY_FLAG;
- if (!isBindKey && typeof func != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- var length = partials ? partials.length : 0;
- if (!length) {
- bitmask &= ~(WRAP_PARTIAL_FLAG | WRAP_PARTIAL_RIGHT_FLAG);
- partials = holders = undefined;
- }
- ary = ary === undefined ? ary : nativeMax(toInteger(ary), 0);
- arity = arity === undefined ? arity : toInteger(arity);
- length -= holders ? holders.length : 0;
+ elasticInOut.amplitude = function(a) { return custom(a, p * tau); };
+ elasticInOut.period = function(p) { return custom(a, p); };
+
+ return elasticInOut;
+ })(amplitude, period);
- if (bitmask & WRAP_PARTIAL_RIGHT_FLAG) {
- var partialsRight = partials,
- holdersRight = holders;
+ var defaultTiming = {
+ time: null, // Set on use.
+ delay: 0,
+ duration: 250,
+ ease: cubicInOut
+ };
- partials = holders = undefined;
+ function inherit(node, id) {
+ var timing;
+ while (!(timing = node.__transition) || !(timing = timing[id])) {
+ if (!(node = node.parentNode)) {
+ return defaultTiming.time = now(), defaultTiming;
}
- var data = isBindKey ? undefined : getData(func);
+ }
+ return timing;
+ }
- var newData = [
- func, bitmask, thisArg, partials, holders, partialsRight, holdersRight,
- argPos, ary, arity
- ];
+ function selection_transition(name) {
+ var id,
+ timing;
- 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] == null
- ? (isBindKey ? 0 : func.length)
- : nativeMax(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 result = createBind(func, bitmask, thisArg);
- } else if (bitmask == WRAP_CURRY_FLAG || bitmask == WRAP_CURRY_RIGHT_FLAG) {
- result = createCurry(func, bitmask, arity);
- } else if ((bitmask == WRAP_PARTIAL_FLAG || bitmask == (WRAP_BIND_FLAG | WRAP_PARTIAL_FLAG)) && !holders.length) {
- result = createPartial(func, bitmask, thisArg, partials);
- } else {
- result = createHybrid.apply(undefined, newData);
+ 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));
+ }
}
- var setter = data ? baseSetData : setData;
- return setWrapToString(setter(result, newData), func, bitmask);
}
- /**
- * A specialized version of `baseIsEqualDeep` for arrays with support for
- * partial deep comparisons.
- *
- * @private
- * @param {Array} array The array to compare.
- * @param {Array} other The other array to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} stack Tracks traversed `array` and `other` objects.
- * @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
- */
- function equalArrays(array, other, bitmask, customizer, equalFunc, stack) {
- var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
- arrLength = array.length,
- othLength = other.length;
+ return new Transition(groups, this._parents, name, id);
+ }
- if (arrLength != othLength && !(isPartial && othLength > arrLength)) {
- return false;
- }
- // Assume cyclic values are equal.
- var stacked = stack.get(array);
- if (stacked && stack.get(other)) {
- return stacked == other;
- }
- var index = -1,
- result = true,
- seen = (bitmask & COMPARE_UNORDERED_FLAG) ? new SetCache : undefined;
+ selection.prototype.interrupt = selection_interrupt;
+ selection.prototype.transition = selection_transition;
- stack.set(array, other);
- stack.set(other, array);
+ var root$1 = [null];
- // Ignore non-index properties.
- while (++index < arrLength) {
- var arrValue = array[index],
- othValue = other[index];
+ function active(node, name) {
+ var schedules = node.__transition,
+ schedule$$1,
+ i;
- if (customizer) {
- var compared = isPartial
- ? customizer(othValue, arrValue, index, other, array, stack)
- : customizer(arrValue, othValue, index, array, other, stack);
- }
- if (compared !== undefined) {
- if (compared) {
- continue;
- }
- result = false;
- break;
- }
- // Recursively compare arrays (susceptible to call stack limits).
- if (seen) {
- if (!arraySome(other, function(othValue, othIndex) {
- if (!cacheHas(seen, othIndex) &&
- (arrValue === othValue || equalFunc(arrValue, othValue, bitmask, customizer, stack))) {
- return seen.push(othIndex);
- }
- })) {
- result = false;
- break;
- }
- } else if (!(
- arrValue === othValue ||
- equalFunc(arrValue, othValue, bitmask, customizer, stack)
- )) {
- result = false;
- break;
+ if (schedules) {
+ name = name == null ? null : name + "";
+ for (i in schedules) {
+ if ((schedule$$1 = schedules[i]).state > SCHEDULED && schedule$$1.name === name) {
+ return new Transition([[node]], root$1, name, +i);
}
}
- stack['delete'](array);
- stack['delete'](other);
- return result;
}
- /**
- * A specialized version of `baseIsEqualDeep` for comparing objects of
- * the same `toStringTag`.
- *
- * **Note:** This function only supports comparing values with tags of
- * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {string} tag The `toStringTag` of the objects to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} stack Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
- function equalByTag(object, other, tag, bitmask, customizer, equalFunc, stack) {
- switch (tag) {
- case dataViewTag:
- if ((object.byteLength != other.byteLength) ||
- (object.byteOffset != other.byteOffset)) {
- return false;
- }
- object = object.buffer;
- other = other.buffer;
+ return null;
+ }
- case arrayBufferTag:
- if ((object.byteLength != other.byteLength) ||
- !equalFunc(new Uint8Array(object), new Uint8Array(other))) {
- return false;
- }
- return true;
+ function constant$4(x) {
+ return function() {
+ return x;
+ };
+ }
- case boolTag:
- case dateTag:
- case numberTag:
- // Coerce booleans to `1` or `0` and dates to milliseconds.
- // Invalid dates are coerced to `NaN`.
- return eq(+object, +other);
+ function BrushEvent(target, type, selection) {
+ this.target = target;
+ this.type = type;
+ this.selection = selection;
+ }
- case errorTag:
- return object.name == other.name && object.message == other.message;
+ function nopropagation$1() {
+ event.stopImmediatePropagation();
+ }
- case regexpTag:
- case stringTag:
- // Coerce regexes to strings and treat strings, primitives and objects,
- // as equal. See http://www.ecma-international.org/ecma-262/7.0/#sec-regexp.prototype.tostring
- // for more details.
- return object == (other + '');
+ function noevent$1() {
+ event.preventDefault();
+ event.stopImmediatePropagation();
+ }
- case mapTag:
- var convert = mapToArray;
+ var MODE_DRAG = {name: "drag"},
+ MODE_SPACE = {name: "space"},
+ MODE_HANDLE = {name: "handle"},
+ MODE_CENTER = {name: "center"};
- case setTag:
- var isPartial = bitmask & COMPARE_PARTIAL_FLAG;
- convert || (convert = setToArray);
+ var X = {
+ name: "x",
+ handles: ["e", "w"].map(type),
+ input: function(x, e) { return x && [[x[0], e[0][1]], [x[1], e[1][1]]]; },
+ output: function(xy) { return xy && [xy[0][0], xy[1][0]]; }
+ };
- if (object.size != other.size && !isPartial) {
- return false;
- }
- // Assume cyclic values are equal.
- var stacked = stack.get(object);
- if (stacked) {
- return stacked == other;
- }
- bitmask |= COMPARE_UNORDERED_FLAG;
+ var Y = {
+ name: "y",
+ handles: ["n", "s"].map(type),
+ input: function(y, e) { return y && [[e[0][0], y[0]], [e[1][0], y[1]]]; },
+ output: function(xy) { return xy && [xy[0][1], xy[1][1]]; }
+ };
- // Recursively compare objects (susceptible to call stack limits).
- stack.set(object, other);
- var result = equalArrays(convert(object), convert(other), bitmask, customizer, equalFunc, stack);
- stack['delete'](object);
- return result;
+ var XY = {
+ name: "xy",
+ handles: ["n", "e", "s", "w", "nw", "ne", "se", "sw"].map(type),
+ input: function(xy) { return xy; },
+ output: function(xy) { return xy; }
+ };
- case symbolTag:
- if (symbolValueOf) {
- return symbolValueOf.call(object) == symbolValueOf.call(other);
- }
- }
- return false;
- }
+ var cursors = {
+ overlay: "crosshair",
+ selection: "move",
+ n: "ns-resize",
+ e: "ew-resize",
+ s: "ns-resize",
+ w: "ew-resize",
+ nw: "nwse-resize",
+ ne: "nesw-resize",
+ se: "nwse-resize",
+ sw: "nesw-resize"
+ };
- /**
- * A specialized version of `baseIsEqualDeep` for objects with support for
- * partial deep comparisons.
- *
- * @private
- * @param {Object} object The object to compare.
- * @param {Object} other The other object to compare.
- * @param {number} bitmask The bitmask flags. See `baseIsEqual` for more details.
- * @param {Function} customizer The function to customize comparisons.
- * @param {Function} equalFunc The function to determine equivalents of values.
- * @param {Object} stack Tracks traversed `object` and `other` objects.
- * @returns {boolean} Returns `true` if the objects are equivalent, else `false`.
- */
- function equalObjects(object, other, bitmask, customizer, equalFunc, stack) {
- var isPartial = bitmask & COMPARE_PARTIAL_FLAG,
- objProps = keys(object),
- objLength = objProps.length,
- othProps = keys(other),
- othLength = othProps.length;
-
- if (objLength != othLength && !isPartial) {
- return false;
- }
- var index = objLength;
- while (index--) {
- var key = objProps[index];
- if (!(isPartial ? key in other : hasOwnProperty.call(other, key))) {
- return false;
- }
- }
- // Assume cyclic values are equal.
- var stacked = stack.get(object);
- if (stacked && stack.get(other)) {
- return stacked == other;
- }
- var result = true;
- stack.set(object, other);
- stack.set(other, object);
+ var flipX = {
+ e: "w",
+ w: "e",
+ nw: "ne",
+ ne: "nw",
+ se: "sw",
+ sw: "se"
+ };
- var skipCtor = isPartial;
- while (++index < objLength) {
- key = objProps[index];
- var objValue = object[key],
- othValue = other[key];
+ var flipY = {
+ n: "s",
+ s: "n",
+ nw: "sw",
+ ne: "se",
+ se: "ne",
+ sw: "nw"
+ };
- if (customizer) {
- var compared = isPartial
- ? customizer(othValue, objValue, key, other, object, stack)
- : customizer(objValue, othValue, key, object, other, stack);
- }
- // Recursively compare objects (susceptible to call stack limits).
- if (!(compared === undefined
- ? (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;
+ var signsX = {
+ overlay: +1,
+ selection: +1,
+ n: null,
+ e: +1,
+ s: null,
+ w: -1,
+ nw: -1,
+ ne: +1,
+ se: +1,
+ sw: -1
+ };
- // Non `Object` object instances with different constructors are not equal.
- 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 signsY = {
+ overlay: +1,
+ selection: +1,
+ n: -1,
+ e: null,
+ s: +1,
+ w: null,
+ nw: -1,
+ ne: -1,
+ se: +1,
+ sw: +1
+ };
- /**
- * A specialized version of `baseRest` which flattens the rest array.
- *
- * @private
- * @param {Function} func The function to apply a rest parameter to.
- * @returns {Function} Returns the new function.
- */
- function flatRest(func) {
- return setToString(overRest(func, undefined, flatten), func + '');
- }
+ function type(t) {
+ return {type: t};
+ }
- /**
- * Creates an array of own enumerable property names and symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names and symbols.
- */
- function getAllKeys(object) {
- return baseGetAllKeys(object, keys, getSymbols);
- }
+ // Ignore right-click, since that should open the context menu.
+ function defaultFilter$1() {
+ return !event.button;
+ }
- /**
- * Creates an array of own and inherited enumerable property names and
- * symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names and symbols.
- */
- function getAllKeysIn(object) {
- return baseGetAllKeys(object, keysIn, getSymbolsIn);
- }
+ function defaultExtent() {
+ var svg = this.ownerSVGElement || this;
+ return [[0, 0], [svg.width.baseVal.value, svg.height.baseVal.value]];
+ }
- /**
- * Gets metadata for `func`.
- *
- * @private
- * @param {Function} func The function to query.
- * @returns {*} Returns the metadata for `func`.
- */
- var getData = !metaMap ? noop : function(func) {
- return metaMap.get(func);
- };
+ // Like d3.local, but with the name â__brushâ rather than auto-generated.
+ function local$1(node) {
+ while (!node.__brush) if (!(node = node.parentNode)) return;
+ return node.__brush;
+ }
- /**
- * Gets the name of `func`.
- *
- * @private
- * @param {Function} func The function to query.
- * @returns {string} Returns the function name.
- */
- function getFuncName(func) {
- var result = (func.name + ''),
- array = realNames[result],
- length = hasOwnProperty.call(realNames, result) ? array.length : 0;
+ function empty$1(extent) {
+ return extent[0][0] === extent[1][0]
+ || extent[0][1] === extent[1][1];
+ }
- while (length--) {
- var data = array[length],
- otherFunc = data.func;
- if (otherFunc == null || otherFunc == func) {
- return data.name;
- }
- }
- return result;
- }
+ function brushSelection(node) {
+ var state = node.__brush;
+ return state ? state.dim.output(state.selection) : null;
+ }
- /**
- * Gets the argument placeholder value for `func`.
- *
- * @private
- * @param {Function} func The function to inspect.
- * @returns {*} Returns the placeholder value.
- */
- function getHolder(func) {
- var object = hasOwnProperty.call(lodash, 'placeholder') ? lodash : func;
- return object.placeholder;
- }
+ function brushX() {
+ return brush$1(X);
+ }
- /**
- * Gets the appropriate "iteratee" function. If `_.iteratee` is customized,
- * this function returns the custom method, otherwise it returns `baseIteratee`.
- * If arguments are provided, the chosen function is invoked with them and
- * its result is returned.
- *
- * @private
- * @param {*} [value] The value to convert to an iteratee.
- * @param {number} [arity] The arity of the created iteratee.
- * @returns {Function} Returns the chosen function or its result.
- */
- function getIteratee() {
- var result = lodash.iteratee || iteratee;
- result = result === iteratee ? baseIteratee : result;
- return arguments.length ? result(arguments[0], arguments[1]) : result;
- }
+ function brushY() {
+ return brush$1(Y);
+ }
- /**
- * Gets the data for `map`.
- *
- * @private
- * @param {Object} map The map to query.
- * @param {string} key The reference key.
- * @returns {*} Returns the map data.
- */
- function getMapData(map, key) {
- var data = map.__data__;
- return isKeyable(key)
- ? data[typeof key == 'string' ? 'string' : 'hash']
- : data.map;
- }
+ function brush() {
+ return brush$1(XY);
+ }
- /**
- * Gets the property names, values, and compare flags of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the match data of `object`.
- */
- function getMatchData(object) {
- var result = keys(object),
- length = result.length;
+ function brush$1(dim) {
+ var extent = defaultExtent,
+ filter = defaultFilter$1,
+ listeners = dispatch(brush, "start", "brush", "end"),
+ handleSize = 6,
+ touchending;
- while (length--) {
- var key = result[length],
- value = object[key];
+ function brush(group) {
+ var overlay = group
+ .property("__brush", initialize)
+ .selectAll(".overlay")
+ .data([type("overlay")]);
- result[length] = [key, value, isStrictComparable(value)];
- }
- return result;
- }
+ overlay.enter().append("rect")
+ .attr("class", "overlay")
+ .attr("pointer-events", "all")
+ .attr("cursor", cursors.overlay)
+ .merge(overlay)
+ .each(function() {
+ var extent = local$1(this).extent;
+ select(this)
+ .attr("x", extent[0][0])
+ .attr("y", extent[0][1])
+ .attr("width", extent[1][0] - extent[0][0])
+ .attr("height", extent[1][1] - extent[0][1]);
+ });
- /**
- * Gets the native function at `key` of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {string} key The key of the method to get.
- * @returns {*} Returns the function if it's native, else `undefined`.
- */
- function getNative(object, key) {
- var value = getValue(object, key);
- return baseIsNative(value) ? value : undefined;
- }
+ group.selectAll(".selection")
+ .data([type("selection")])
+ .enter().append("rect")
+ .attr("class", "selection")
+ .attr("cursor", cursors.selection)
+ .attr("fill", "#777")
+ .attr("fill-opacity", 0.3)
+ .attr("stroke", "#fff")
+ .attr("shape-rendering", "crispEdges");
- /**
- * 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.call(value, symToStringTag),
- tag = value[symToStringTag];
+ var handle = group.selectAll(".handle")
+ .data(dim.handles, function(d) { return d.type; });
- try {
- value[symToStringTag] = undefined;
- var unmasked = true;
- } catch (e) {}
+ handle.exit().remove();
- var result = nativeObjectToString.call(value);
- if (unmasked) {
- if (isOwn) {
- value[symToStringTag] = tag;
- } else {
- delete value[symToStringTag];
- }
- }
- return result;
- }
+ handle.enter().append("rect")
+ .attr("class", function(d) { return "handle handle--" + d.type; })
+ .attr("cursor", function(d) { return cursors[d.type]; });
- /**
- * Creates an array of the own enumerable symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of symbols.
- */
- var getSymbols = nativeGetSymbols ? overArg(nativeGetSymbols, Object) : stubArray;
+ group
+ .each(redraw)
+ .attr("fill", "none")
+ .attr("pointer-events", "all")
+ .style("-webkit-tap-highlight-color", "rgba(0,0,0,0)")
+ .on("mousedown.brush touchstart.brush", started);
+ }
- /**
- * Creates an array of the own and inherited enumerable symbols of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of symbols.
- */
- var getSymbolsIn = !nativeGetSymbols ? stubArray : function(object) {
- var result = [];
- while (object) {
- arrayPush(result, getSymbols(object));
- object = getPrototype(object);
+ brush.move = function(group, selection$$1) {
+ if (group.selection) {
+ group
+ .on("start.brush", function() { emitter(this, arguments).beforestart().start(); })
+ .on("interrupt.brush end.brush", function() { emitter(this, arguments).end(); })
+ .tween("brush", function() {
+ var that = this,
+ state = that.__brush,
+ emit = emitter(that, arguments),
+ selection0 = state.selection,
+ selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(this, arguments) : selection$$1, state.extent),
+ i = interpolate(selection0, selection1);
+
+ function tween(t) {
+ state.selection = t === 1 && empty$1(selection1) ? null : i(t);
+ redraw.call(that);
+ emit.brush();
+ }
+
+ return selection0 && selection1 ? tween : tween(1);
+ });
+ } else {
+ group
+ .each(function() {
+ var that = this,
+ args = arguments,
+ state = that.__brush,
+ selection1 = dim.input(typeof selection$$1 === "function" ? selection$$1.apply(that, args) : selection$$1, state.extent),
+ emit = emitter(that, args).beforestart();
+
+ interrupt(that);
+ state.selection = selection1 == null || empty$1(selection1) ? null : selection1;
+ redraw.call(that);
+ emit.start().brush().end();
+ });
}
- return result;
};
- /**
- * Gets the `toStringTag` of `value`.
- *
- * @private
- * @param {*} value The value to query.
- * @returns {string} Returns the `toStringTag`.
- */
- var getTag = baseGetTag;
-
- // Fallback for data views, maps, sets, and weak maps in IE 11 and promises in Node.js < 6.
- if ((DataView && getTag(new DataView(new ArrayBuffer(1))) != dataViewTag) ||
- (Map && getTag(new Map) != mapTag) ||
- (Promise && getTag(Promise.resolve()) != promiseTag) ||
- (Set && getTag(new Set) != setTag) ||
- (WeakMap && getTag(new WeakMap) != weakMapTag)) {
- getTag = function(value) {
- var result = baseGetTag(value),
- Ctor = result == objectTag ? value.constructor : undefined,
- ctorString = Ctor ? toSource(Ctor) : '';
-
- if (ctorString) {
- switch (ctorString) {
- case dataViewCtorString: return dataViewTag;
- case mapCtorString: return mapTag;
- case promiseCtorString: return promiseTag;
- case setCtorString: return setTag;
- case weakMapCtorString: return weakMapTag;
- }
- }
- return result;
- };
- }
+ function redraw() {
+ var group = select(this),
+ selection$$1 = local$1(this).selection;
- /**
- * Gets the view, applying any `transforms` to the `start` and `end` positions.
- *
- * @private
- * @param {number} start The start of the view.
- * @param {number} end The end of the view.
- * @param {Array} transforms The transformations to apply to the view.
- * @returns {Object} Returns an object containing the `start` and `end`
- * positions of the view.
- */
- function getView(start, end, transforms) {
- var index = -1,
- length = transforms.length;
+ if (selection$$1) {
+ group.selectAll(".selection")
+ .style("display", null)
+ .attr("x", selection$$1[0][0])
+ .attr("y", selection$$1[0][1])
+ .attr("width", selection$$1[1][0] - selection$$1[0][0])
+ .attr("height", selection$$1[1][1] - selection$$1[0][1]);
- while (++index < length) {
- var data = transforms[index],
- size = data.size;
-
- switch (data.type) {
- case 'drop': start += size; break;
- case 'dropRight': end -= size; break;
- case 'take': end = nativeMin(end, start + size); break;
- case 'takeRight': start = nativeMax(start, end - size); break;
- }
+ group.selectAll(".handle")
+ .style("display", null)
+ .attr("x", function(d) { return d.type[d.type.length - 1] === "e" ? selection$$1[1][0] - handleSize / 2 : selection$$1[0][0] - handleSize / 2; })
+ .attr("y", function(d) { return d.type[0] === "s" ? selection$$1[1][1] - handleSize / 2 : selection$$1[0][1] - handleSize / 2; })
+ .attr("width", function(d) { return d.type === "n" || d.type === "s" ? selection$$1[1][0] - selection$$1[0][0] + handleSize : handleSize; })
+ .attr("height", function(d) { return d.type === "e" || d.type === "w" ? selection$$1[1][1] - selection$$1[0][1] + handleSize : handleSize; });
}
- return { 'start': start, 'end': end };
- }
- /**
- * Extracts wrapper details from the `source` body comment.
- *
- * @private
- * @param {string} source The source to inspect.
- * @returns {Array} Returns the wrapper details.
- */
- function getWrapDetails(source) {
- var match = source.match(reWrapDetails);
- return match ? match[1].split(reSplitDetails) : [];
+ else {
+ group.selectAll(".selection,.handle")
+ .style("display", "none")
+ .attr("x", null)
+ .attr("y", null)
+ .attr("width", null)
+ .attr("height", null);
+ }
}
- /**
- * Checks if `path` exists on `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @param {Function} hasFunc The function to check properties.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- */
- function hasPath(object, path, hasFunc) {
- path = castPath(path, object);
-
- var index = -1,
- length = path.length,
- result = false;
-
- while (++index < length) {
- var key = toKey(path[index]);
- if (!(result = object != null && hasFunc(object, key))) {
- break;
- }
- object = object[key];
- }
- if (result || ++index != length) {
- return result;
- }
- length = object == null ? 0 : object.length;
- return !!length && isLength(length) && isIndex(key, length) &&
- (isArray(object) || isArguments(object));
+ function emitter(that, args) {
+ return that.__brush.emitter || new Emitter(that, args);
}
- /**
- * Initializes an array clone.
- *
- * @private
- * @param {Array} array The array to clone.
- * @returns {Array} Returns the initialized clone.
- */
- function initCloneArray(array) {
- var length = array.length,
- result = array.constructor(length);
+ function Emitter(that, args) {
+ this.that = that;
+ this.args = args;
+ this.state = that.__brush;
+ this.active = 0;
+ }
- // Add properties assigned by `RegExp#exec`.
- if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {
- result.index = array.index;
- result.input = array.input;
+ Emitter.prototype = {
+ beforestart: function() {
+ if (++this.active === 1) this.state.emitter = this, this.starting = true;
+ return this;
+ },
+ start: function() {
+ if (this.starting) this.starting = false, this.emit("start");
+ return this;
+ },
+ brush: function() {
+ this.emit("brush");
+ return this;
+ },
+ end: function() {
+ if (--this.active === 0) delete this.state.emitter, this.emit("end");
+ return this;
+ },
+ emit: function(type) {
+ customEvent(new BrushEvent(brush, type, dim.output(this.state.selection)), listeners.apply, listeners, [type, this.that, this.args]);
+ }
+ };
+
+ function started() {
+ if (event.touches) { if (event.changedTouches.length < event.touches.length) return noevent$1(); }
+ else if (touchending) return;
+ if (!filter.apply(this, arguments)) return;
+
+ var that = this,
+ type = event.target.__data__.type,
+ mode = (event.metaKey ? type = "overlay" : type) === "selection" ? MODE_DRAG : (event.altKey ? MODE_CENTER : MODE_HANDLE),
+ signX = dim === Y ? null : signsX[type],
+ signY = dim === X ? null : signsY[type],
+ state = local$1(that),
+ extent = state.extent,
+ selection$$1 = state.selection,
+ W = extent[0][0], w0, w1,
+ N = extent[0][1], n0, n1,
+ E = extent[1][0], e0, e1,
+ S = extent[1][1], s0, s1,
+ dx,
+ dy,
+ moving,
+ shifting = signX && signY && event.shiftKey,
+ lockX,
+ lockY,
+ point0 = mouse(that),
+ point$$1 = point0,
+ emit = emitter(that, arguments).beforestart();
+
+ if (type === "overlay") {
+ state.selection = selection$$1 = [
+ [w0 = dim === Y ? W : point0[0], n0 = dim === X ? N : point0[1]],
+ [e0 = dim === Y ? E : w0, s0 = dim === X ? S : n0]
+ ];
+ } else {
+ w0 = selection$$1[0][0];
+ n0 = selection$$1[0][1];
+ e0 = selection$$1[1][0];
+ s0 = selection$$1[1][1];
}
- return result;
- }
- /**
- * Initializes an object clone.
- *
- * @private
- * @param {Object} object The object to clone.
- * @returns {Object} Returns the initialized clone.
- */
- function initCloneObject(object) {
- return (typeof object.constructor == 'function' && !isPrototype(object))
- ? baseCreate(getPrototype(object))
- : {};
- }
+ w1 = w0;
+ n1 = n0;
+ e1 = e0;
+ s1 = s0;
- /**
- * Initializes an object clone based on its `toStringTag`.
- *
- * **Note:** This function only supports cloning values with tags of
- * `Boolean`, `Date`, `Error`, `Number`, `RegExp`, or `String`.
- *
- * @private
- * @param {Object} object The object to clone.
- * @param {string} tag The `toStringTag` of the object to clone.
- * @param {Function} cloneFunc The function to clone values.
- * @param {boolean} [isDeep] Specify a deep clone.
- * @returns {Object} Returns the initialized clone.
- */
- function initCloneByTag(object, tag, cloneFunc, isDeep) {
- var Ctor = object.constructor;
- switch (tag) {
- case arrayBufferTag:
- return cloneArrayBuffer(object);
+ var group = select(that)
+ .attr("pointer-events", "none");
- case boolTag:
- case dateTag:
- return new Ctor(+object);
+ var overlay = group.selectAll(".overlay")
+ .attr("cursor", cursors[type]);
- case dataViewTag:
- return cloneDataView(object, isDeep);
+ if (event.touches) {
+ group
+ .on("touchmove.brush", moved, true)
+ .on("touchend.brush touchcancel.brush", ended, true);
+ } else {
+ var view = select(event.view)
+ .on("keydown.brush", keydowned, true)
+ .on("keyup.brush", keyupped, true)
+ .on("mousemove.brush", moved, true)
+ .on("mouseup.brush", ended, true);
- case float32Tag: case float64Tag:
- case int8Tag: case int16Tag: case int32Tag:
- case uint8Tag: case uint8ClampedTag: case uint16Tag: case uint32Tag:
- return cloneTypedArray(object, isDeep);
+ dragDisable(event.view);
+ }
- case mapTag:
- return cloneMap(object, isDeep, cloneFunc);
+ nopropagation$1();
+ interrupt(that);
+ redraw.call(that);
+ emit.start();
- case numberTag:
- case stringTag:
- return new Ctor(object);
+ function moved() {
+ var point1 = mouse(that);
+ if (shifting && !lockX && !lockY) {
+ if (Math.abs(point1[0] - point$$1[0]) > Math.abs(point1[1] - point$$1[1])) lockY = true;
+ else lockX = true;
+ }
+ point$$1 = point1;
+ moving = true;
+ noevent$1();
+ move();
+ }
- case regexpTag:
- return cloneRegExp(object);
+ function move() {
+ var t;
- case setTag:
- return cloneSet(object, isDeep, cloneFunc);
+ dx = point$$1[0] - point0[0];
+ dy = point$$1[1] - point0[1];
- case symbolTag:
- return cloneSymbol(object);
- }
- }
+ switch (mode) {
+ case MODE_SPACE:
+ case MODE_DRAG: {
+ if (signX) dx = Math.max(W - w0, Math.min(E - e0, dx)), w1 = w0 + dx, e1 = e0 + dx;
+ if (signY) dy = Math.max(N - n0, Math.min(S - s0, dy)), n1 = n0 + dy, s1 = s0 + dy;
+ break;
+ }
+ case MODE_HANDLE: {
+ if (signX < 0) dx = Math.max(W - w0, Math.min(E - w0, dx)), w1 = w0 + dx, e1 = e0;
+ else if (signX > 0) dx = Math.max(W - e0, Math.min(E - e0, dx)), w1 = w0, e1 = e0 + dx;
+ if (signY < 0) dy = Math.max(N - n0, Math.min(S - n0, dy)), n1 = n0 + dy, s1 = s0;
+ else if (signY > 0) dy = Math.max(N - s0, Math.min(S - s0, dy)), n1 = n0, s1 = s0 + dy;
+ break;
+ }
+ case MODE_CENTER: {
+ if (signX) w1 = Math.max(W, Math.min(E, w0 - dx * signX)), e1 = Math.max(W, Math.min(E, e0 + dx * signX));
+ if (signY) n1 = Math.max(N, Math.min(S, n0 - dy * signY)), s1 = Math.max(N, Math.min(S, s0 + dy * signY));
+ break;
+ }
+ }
- /**
- * Inserts wrapper `details` in a comment at the top of the `source` body.
- *
- * @private
- * @param {string} source The source to modify.
- * @returns {Array} details The details to insert.
- * @returns {string} Returns the modified source.
- */
- 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');
- }
+ if (e1 < w1) {
+ signX *= -1;
+ t = w0, w0 = e0, e0 = t;
+ t = w1, w1 = e1, e1 = t;
+ if (type in flipX) overlay.attr("cursor", cursors[type = flipX[type]]);
+ }
- /**
- * Checks if `value` is a flattenable `arguments` object or array.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is flattenable, else `false`.
- */
- function isFlattenable(value) {
- return isArray(value) || isArguments(value) ||
- !!(spreadableSymbol && value && value[spreadableSymbol]);
- }
+ if (s1 < n1) {
+ signY *= -1;
+ t = n0, n0 = s0, s0 = t;
+ t = n1, n1 = s1, s1 = t;
+ if (type in flipY) overlay.attr("cursor", cursors[type = flipY[type]]);
+ }
- /**
- * Checks if `value` is a valid array-like index.
- *
- * @private
- * @param {*} value The value to check.
- * @param {number} [length=MAX_SAFE_INTEGER] The upper bounds of a valid index.
- * @returns {boolean} Returns `true` if `value` is a valid index, else `false`.
- */
- function isIndex(value, length) {
- length = length == null ? MAX_SAFE_INTEGER : length;
- return !!length &&
- (typeof value == 'number' || reIsUint.test(value)) &&
- (value > -1 && value % 1 == 0 && value < length);
- }
+ if (state.selection) selection$$1 = state.selection; // May be set by brush.move!
+ if (lockX) w1 = selection$$1[0][0], e1 = selection$$1[1][0];
+ if (lockY) n1 = selection$$1[0][1], s1 = selection$$1[1][1];
- /**
- * Checks if the given arguments are from an iteratee call.
- *
- * @private
- * @param {*} value The potential iteratee value argument.
- * @param {*} index The potential iteratee index or key argument.
- * @param {*} object The potential iteratee object argument.
- * @returns {boolean} Returns `true` if the arguments are from an iteratee call,
- * else `false`.
- */
- function isIterateeCall(value, index, object) {
- if (!isObject(object)) {
- return false;
+ if (selection$$1[0][0] !== w1
+ || selection$$1[0][1] !== n1
+ || selection$$1[1][0] !== e1
+ || selection$$1[1][1] !== s1) {
+ state.selection = [[w1, n1], [e1, s1]];
+ redraw.call(that);
+ emit.brush();
+ }
}
- var type = typeof index;
- if (type == 'number'
- ? (isArrayLike(object) && isIndex(index, object.length))
- : (type == 'string' && index in object)
- ) {
- return eq(object[index], value);
+
+ function ended() {
+ nopropagation$1();
+ if (event.touches) {
+ if (event.touches.length) return;
+ if (touchending) clearTimeout(touchending);
+ touchending = setTimeout(function() { touchending = null; }, 500); // Ghost clicks are delayed!
+ group.on("touchmove.brush touchend.brush touchcancel.brush", null);
+ } else {
+ yesdrag(event.view, moving);
+ view.on("keydown.brush keyup.brush mousemove.brush mouseup.brush", null);
+ }
+ group.attr("pointer-events", "all");
+ overlay.attr("cursor", cursors.overlay);
+ if (state.selection) selection$$1 = state.selection; // May be set by brush.move (on start)!
+ if (empty$1(selection$$1)) state.selection = null, redraw.call(that);
+ emit.end();
}
- return false;
- }
- /**
- * Checks if `value` is a property name and not a property path.
- *
- * @private
- * @param {*} value The value to check.
- * @param {Object} [object] The object to query keys on.
- * @returns {boolean} Returns `true` if `value` is a property name, else `false`.
- */
- function isKey(value, object) {
- if (isArray(value)) {
- return false;
+ function keydowned() {
+ switch (event.keyCode) {
+ case 16: { // SHIFT
+ shifting = signX && signY;
+ break;
+ }
+ case 18: { // ALT
+ if (mode === MODE_HANDLE) {
+ if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;
+ if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;
+ mode = MODE_CENTER;
+ move();
+ }
+ break;
+ }
+ case 32: { // SPACE; takes priority over ALT
+ if (mode === MODE_HANDLE || mode === MODE_CENTER) {
+ if (signX < 0) e0 = e1 - dx; else if (signX > 0) w0 = w1 - dx;
+ if (signY < 0) s0 = s1 - dy; else if (signY > 0) n0 = n1 - dy;
+ mode = MODE_SPACE;
+ overlay.attr("cursor", cursors.selection);
+ move();
+ }
+ break;
+ }
+ default: return;
+ }
+ noevent$1();
}
- var type = typeof value;
- if (type == 'number' || type == 'symbol' || type == 'boolean' ||
- value == null || isSymbol(value)) {
- return true;
+
+ function keyupped() {
+ switch (event.keyCode) {
+ case 16: { // SHIFT
+ if (shifting) {
+ lockX = lockY = shifting = false;
+ move();
+ }
+ break;
+ }
+ case 18: { // ALT
+ if (mode === MODE_CENTER) {
+ if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;
+ if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;
+ mode = MODE_HANDLE;
+ move();
+ }
+ break;
+ }
+ case 32: { // SPACE
+ if (mode === MODE_SPACE) {
+ if (event.altKey) {
+ if (signX) e0 = e1 - dx * signX, w0 = w1 + dx * signX;
+ if (signY) s0 = s1 - dy * signY, n0 = n1 + dy * signY;
+ mode = MODE_CENTER;
+ } else {
+ if (signX < 0) e0 = e1; else if (signX > 0) w0 = w1;
+ if (signY < 0) s0 = s1; else if (signY > 0) n0 = n1;
+ mode = MODE_HANDLE;
+ }
+ overlay.attr("cursor", cursors[type]);
+ move();
+ }
+ break;
+ }
+ default: return;
+ }
+ noevent$1();
}
- return reIsPlainProp.test(value) || !reIsDeepProp.test(value) ||
- (object != null && value in Object(object));
}
- /**
- * Checks if `value` is suitable for use as unique object key.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is suitable, else `false`.
- */
- function isKeyable(value) {
- var type = typeof value;
- return (type == 'string' || type == 'number' || type == 'symbol' || type == 'boolean')
- ? (value !== '__proto__')
- : (value === null);
+ function initialize() {
+ var state = this.__brush || {selection: null};
+ state.extent = extent.apply(this, arguments);
+ state.dim = dim;
+ return state;
}
- /**
- * Checks if `func` has a lazy counterpart.
- *
- * @private
- * @param {Function} func The function to check.
- * @returns {boolean} Returns `true` if `func` has a lazy counterpart,
- * else `false`.
- */
- function isLaziable(func) {
- var funcName = getFuncName(func),
- other = lodash[funcName];
+ brush.extent = function(_) {
+ return arguments.length ? (extent = typeof _ === "function" ? _ : constant$4([[+_[0][0], +_[0][1]], [+_[1][0], +_[1][1]]]), brush) : extent;
+ };
- if (typeof other != 'function' || !(funcName in LazyWrapper.prototype)) {
- return false;
- }
- if (func === other) {
- return true;
- }
- var data = getData(other);
- return !!data && func === data[0];
- }
+ brush.filter = function(_) {
+ return arguments.length ? (filter = typeof _ === "function" ? _ : constant$4(!!_), brush) : filter;
+ };
- /**
- * Checks if `func` has its source masked.
- *
- * @private
- * @param {Function} func The function to check.
- * @returns {boolean} Returns `true` if `func` is masked, else `false`.
- */
- function isMasked(func) {
- return !!maskSrcKey && (maskSrcKey in func);
- }
+ brush.handleSize = function(_) {
+ return arguments.length ? (handleSize = +_, brush) : handleSize;
+ };
- /**
- * Checks if `func` is capable of being masked.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `func` is maskable, else `false`.
- */
- var isMaskable = coreJsData ? isFunction : stubFalse;
+ brush.on = function() {
+ var value = listeners.on.apply(listeners, arguments);
+ return value === listeners ? brush : value;
+ };
- /**
- * Checks if `value` is likely a prototype object.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a prototype, else `false`.
- */
- function isPrototype(value) {
- var Ctor = value && value.constructor,
- proto = (typeof Ctor == 'function' && Ctor.prototype) || objectProto;
+ return brush;
+ }
- return value === proto;
- }
+ var cos = Math.cos;
+ var sin = Math.sin;
+ var pi$1 = Math.PI;
+ var halfPi$1 = pi$1 / 2;
+ var tau$1 = pi$1 * 2;
+ var max$1 = Math.max;
- /**
- * Checks if `value` is suitable for strict equality comparisons, i.e. `===`.
- *
- * @private
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` if suitable for strict
- * equality comparisons, else `false`.
- */
- function isStrictComparable(value) {
- return value === value && !isObject(value);
- }
+ function compareValue(compare) {
+ return function(a, b) {
+ return compare(
+ a.source.value + a.target.value,
+ b.source.value + b.target.value
+ );
+ };
+ }
- /**
- * A specialized version of `matchesProperty` for source values suitable
- * for strict equality comparisons, i.e. `===`.
- *
- * @private
- * @param {string} key The key of the property to get.
- * @param {*} srcValue The value to match.
- * @returns {Function} Returns the new spec function.
- */
- function matchesStrictComparable(key, srcValue) {
- return function(object) {
- if (object == null) {
- return false;
- }
- return object[key] === srcValue &&
- (srcValue !== undefined || (key in Object(object)));
- };
- }
+ function chord() {
+ var padAngle = 0,
+ sortGroups = null,
+ sortSubgroups = null,
+ sortChords = null;
+
+ function chord(matrix) {
+ var n = matrix.length,
+ groupSums = [],
+ groupIndex = range(n),
+ subgroupIndex = [],
+ chords = [],
+ groups = chords.groups = new Array(n),
+ subgroups = new Array(n * n),
+ k,
+ x,
+ x0,
+ dx,
+ i,
+ j;
- /**
- * A specialized version of `_.memoize` which clears the memoized function's
- * cache when it exceeds `MAX_MEMOIZE_SIZE`.
- *
- * @private
- * @param {Function} func The function to have its output memoized.
- * @returns {Function} Returns the new memoized function.
- */
- function memoizeCapped(func) {
- var result = memoize(func, function(key) {
- if (cache.size === MAX_MEMOIZE_SIZE) {
- cache.clear();
+ // Compute the sum.
+ k = 0, i = -1; while (++i < n) {
+ x = 0, j = -1; while (++j < n) {
+ x += matrix[i][j];
}
- return key;
+ groupSums.push(x);
+ subgroupIndex.push(range(n));
+ k += x;
+ }
+
+ // Sort groupsâ¦
+ if (sortGroups) groupIndex.sort(function(a, b) {
+ return sortGroups(groupSums[a], groupSums[b]);
});
- var cache = result.cache;
- return result;
+ // Sort subgroupsâ¦
+ if (sortSubgroups) subgroupIndex.forEach(function(d, i) {
+ d.sort(function(a, b) {
+ return sortSubgroups(matrix[i][a], matrix[i][b]);
+ });
+ });
+
+ // Convert the sum to scaling factor for [0, 2pi].
+ // TODO Allow start and end angle to be specified?
+ // TODO Allow padding to be specified as percentage?
+ k = max$1(0, tau$1 - padAngle * n) / k;
+ dx = k ? padAngle : tau$1 / n;
+
+ // Compute the start and end angle for each group and subgroup.
+ // Note: Opera has a bug reordering object literal properties!
+ x = 0, i = -1; while (++i < n) {
+ x0 = x, j = -1; while (++j < n) {
+ var di = groupIndex[i],
+ dj = subgroupIndex[di][j],
+ v = matrix[di][dj],
+ a0 = x,
+ a1 = x += v * k;
+ subgroups[dj * n + di] = {
+ index: di,
+ subindex: dj,
+ startAngle: a0,
+ endAngle: a1,
+ value: v
+ };
+ }
+ groups[di] = {
+ index: di,
+ startAngle: x0,
+ endAngle: x,
+ value: groupSums[di]
+ };
+ x += dx;
+ }
+
+ // Generate chords for each (non-empty) subgroup-subgroup link.
+ i = -1; while (++i < n) {
+ j = i - 1; while (++j < n) {
+ var source = subgroups[j * n + i],
+ target = subgroups[i * n + j];
+ if (source.value || target.value) {
+ chords.push(source.value < target.value
+ ? {source: target, target: source}
+ : {source: source, target: target});
+ }
+ }
+ }
+
+ return sortChords ? chords.sort(sortChords) : chords;
}
- /**
- * Merges the function metadata of `source` into `data`.
- *
- * Merging metadata reduces the number of wrappers used to invoke a function.
- * This is possible because methods like `_.bind`, `_.curry`, and `_.partial`
- * may be applied regardless of execution order. Methods like `_.ary` and
- * `_.rearg` modify function arguments, making the order in which they are
- * executed important, preventing the merging of metadata. However, we make
- * an exception for a safe combined case where curried functions have `_.ary`
- * and or `_.rearg` applied.
- *
- * @private
- * @param {Array} data The destination metadata.
- * @param {Array} source The source metadata.
- * @returns {Array} Returns `data`.
- */
- 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));
-
- // Exit early if metadata can't be merged.
- if (!(isCommon || isCombo)) {
- return data;
- }
- // Use source `thisArg` if available.
- if (srcBitmask & WRAP_BIND_FLAG) {
- data[2] = source[2];
- // Set when currying a bound function.
- newBitmask |= bitmask & WRAP_BIND_FLAG ? 0 : WRAP_CURRY_BOUND_FLAG;
- }
- // Compose partial arguments.
- 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];
+ chord.padAngle = function(_) {
+ return arguments.length ? (padAngle = max$1(0, _), chord) : padAngle;
+ };
+
+ chord.sortGroups = function(_) {
+ return arguments.length ? (sortGroups = _, chord) : sortGroups;
+ };
+
+ chord.sortSubgroups = function(_) {
+ return arguments.length ? (sortSubgroups = _, chord) : sortSubgroups;
+ };
+
+ chord.sortChords = function(_) {
+ return arguments.length ? (_ == null ? sortChords = null : (sortChords = compareValue(_))._ = _, chord) : sortChords && sortChords._;
+ };
+
+ return chord;
+ }
+
+ var slice$2 = Array.prototype.slice;
+
+ function constant$5(x) {
+ return function() {
+ return x;
+ };
+ }
+
+ var pi$2 = Math.PI,
+ tau$2 = 2 * pi$2,
+ epsilon$1 = 1e-6,
+ tauEpsilon = tau$2 - epsilon$1;
+
+ function Path() {
+ this._x0 = this._y0 = // start of current subpath
+ this._x1 = this._y1 = null; // end of current subpath
+ this._ = "";
+ }
+
+ function path() {
+ return new Path;
+ }
+
+ Path.prototype = path.prototype = {
+ constructor: Path,
+ moveTo: function(x, y) {
+ this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y);
+ },
+ closePath: function() {
+ if (this._x1 !== null) {
+ this._x1 = this._x0, this._y1 = this._y0;
+ this._ += "Z";
}
- // Compose partial right arguments.
- 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];
+ },
+ lineTo: function(x, y) {
+ this._ += "L" + (this._x1 = +x) + "," + (this._y1 = +y);
+ },
+ quadraticCurveTo: function(x1, y1, x, y) {
+ this._ += "Q" + (+x1) + "," + (+y1) + "," + (this._x1 = +x) + "," + (this._y1 = +y);
+ },
+ bezierCurveTo: function(x1, y1, x2, y2, x, y) {
+ this._ += "C" + (+x1) + "," + (+y1) + "," + (+x2) + "," + (+y2) + "," + (this._x1 = +x) + "," + (this._y1 = +y);
+ },
+ arcTo: function(x1, y1, x2, y2, r) {
+ x1 = +x1, y1 = +y1, x2 = +x2, y2 = +y2, r = +r;
+ var x0 = this._x1,
+ y0 = this._y1,
+ x21 = x2 - x1,
+ y21 = y2 - y1,
+ x01 = x0 - x1,
+ y01 = y0 - y1,
+ l01_2 = x01 * x01 + y01 * y01;
+
+ // Is the radius negative? Error.
+ if (r < 0) throw new Error("negative radius: " + r);
+
+ // Is this path empty? Move to (x1,y1).
+ if (this._x1 === null) {
+ this._ += "M" + (this._x1 = x1) + "," + (this._y1 = y1);
}
- // Use source `argPos` if available.
- value = source[7];
- if (value) {
- data[7] = value;
+
+ // Or, is (x1,y1) coincident with (x0,y0)? Do nothing.
+ else if (!(l01_2 > epsilon$1)) ;
+
+ // Or, are (x0,y0), (x1,y1) and (x2,y2) collinear?
+ // Equivalently, is (x1,y1) coincident with (x2,y2)?
+ // Or, is the radius zero? Line to (x1,y1).
+ else if (!(Math.abs(y01 * x21 - y21 * x01) > epsilon$1) || !r) {
+ this._ += "L" + (this._x1 = x1) + "," + (this._y1 = y1);
}
- // Use source `ary` if it's smaller.
- if (srcBitmask & WRAP_ARY_FLAG) {
- data[8] = data[8] == null ? source[8] : nativeMin(data[8], source[8]);
+
+ // Otherwise, draw an arc!
+ else {
+ var x20 = x2 - x0,
+ y20 = y2 - y0,
+ l21_2 = x21 * x21 + y21 * y21,
+ l20_2 = x20 * x20 + y20 * y20,
+ l21 = Math.sqrt(l21_2),
+ l01 = Math.sqrt(l01_2),
+ l = r * Math.tan((pi$2 - Math.acos((l21_2 + l01_2 - l20_2) / (2 * l21 * l01))) / 2),
+ t01 = l / l01,
+ t21 = l / l21;
+
+ // If the start tangent is not coincident with (x0,y0), line to.
+ if (Math.abs(t01 - 1) > epsilon$1) {
+ this._ += "L" + (x1 + t01 * x01) + "," + (y1 + t01 * y01);
+ }
+
+ this._ += "A" + r + "," + r + ",0,0," + (+(y01 * x20 > x01 * y20)) + "," + (this._x1 = x1 + t21 * x21) + "," + (this._y1 = y1 + t21 * y21);
+ }
+ },
+ arc: function(x, y, r, a0, a1, ccw) {
+ x = +x, y = +y, r = +r;
+ var dx = r * Math.cos(a0),
+ dy = r * Math.sin(a0),
+ x0 = x + dx,
+ y0 = y + dy,
+ cw = 1 ^ ccw,
+ da = ccw ? a0 - a1 : a1 - a0;
+
+ // Is the radius negative? Error.
+ if (r < 0) throw new Error("negative radius: " + r);
+
+ // Is this path empty? Move to (x0,y0).
+ if (this._x1 === null) {
+ this._ += "M" + x0 + "," + y0;
}
- // Use source `arity` if one is not provided.
- if (data[9] == null) {
- data[9] = source[9];
+
+ // Or, is (x0,y0) not coincident with the previous point? Line to (x0,y0).
+ else if (Math.abs(this._x1 - x0) > epsilon$1 || Math.abs(this._y1 - y0) > epsilon$1) {
+ this._ += "L" + x0 + "," + y0;
}
- // Use source `func` and merge bitmasks.
- data[0] = source[0];
- data[1] = newBitmask;
- return data;
- }
+ // Is this arc empty? Weâre done.
+ if (!r) return;
- /**
- * Used by `_.defaultsDeep` to customize its `_.merge` use.
- *
- * @private
- * @param {*} objValue The destination value.
- * @param {*} srcValue The source value.
- * @param {string} key The key of the property to merge.
- * @param {Object} object The parent object of `objValue`.
- * @param {Object} source The parent object of `srcValue`.
- * @param {Object} [stack] Tracks traversed source values and their merged
- * counterparts.
- * @returns {*} Returns the value to assign.
- */
- function mergeDefaults(objValue, srcValue, key, object, source, stack) {
- if (isObject(objValue) && isObject(srcValue)) {
- // Recursively merge objects and arrays (susceptible to call stack limits).
- stack.set(srcValue, objValue);
- baseMerge(objValue, srcValue, undefined, mergeDefaults, stack);
- stack['delete'](srcValue);
+ // Does the angle go the wrong way? Flip the direction.
+ if (da < 0) da = da % tau$2 + tau$2;
+
+ // Is this a complete circle? Draw two arcs to complete the circle.
+ if (da > tauEpsilon) {
+ this._ += "A" + r + "," + r + ",0,1," + cw + "," + (x - dx) + "," + (y - dy) + "A" + r + "," + r + ",0,1," + cw + "," + (this._x1 = x0) + "," + (this._y1 = y0);
}
- return objValue;
- }
- /**
- * This function is like
- * [`Object.keys`](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
- * except that it includes inherited enumerable properties.
- *
- * @private
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- */
- function nativeKeysIn(object) {
- var result = [];
- if (object != null) {
- for (var key in Object(object)) {
- result.push(key);
- }
+ // Is this arc non-empty? Draw an arc!
+ else if (da > epsilon$1) {
+ this._ += "A" + r + "," + r + ",0," + (+(da >= pi$2)) + "," + cw + "," + (this._x1 = x + r * Math.cos(a1)) + "," + (this._y1 = y + r * Math.sin(a1));
}
- return result;
+ },
+ rect: function(x, y, w, h) {
+ this._ += "M" + (this._x0 = this._x1 = +x) + "," + (this._y0 = this._y1 = +y) + "h" + (+w) + "v" + (+h) + "h" + (-w) + "Z";
+ },
+ toString: function() {
+ return this._;
}
+ };
- /**
- * Converts `value` to a string using `Object.prototype.toString`.
- *
- * @private
- * @param {*} value The value to convert.
- * @returns {string} Returns the converted string.
- */
- function objectToString(value) {
- return nativeObjectToString.call(value);
- }
+ function defaultSource(d) {
+ return d.source;
+ }
- /**
- * A specialized version of `baseRest` which transforms the rest array.
- *
- * @private
- * @param {Function} func The function to apply a rest parameter to.
- * @param {number} [start=func.length-1] The start position of the rest parameter.
- * @param {Function} transform The rest array transform.
- * @returns {Function} Returns the new function.
- */
- function overRest(func, start, transform) {
- start = nativeMax(start === undefined ? (func.length - 1) : start, 0);
- return function() {
- var args = arguments,
- index = -1,
- length = nativeMax(args.length - start, 0),
- array = Array(length);
+ function defaultTarget(d) {
+ return d.target;
+ }
- while (++index < length) {
- array[index] = args[start + index];
- }
- index = -1;
- var otherArgs = Array(start + 1);
- while (++index < start) {
- otherArgs[index] = args[index];
- }
- otherArgs[start] = transform(array);
- return apply(func, this, otherArgs);
- };
- }
+ function defaultRadius(d) {
+ return d.radius;
+ }
- /**
- * Gets the parent value at `path` of `object`.
- *
- * @private
- * @param {Object} object The object to query.
- * @param {Array} path The path to get the parent value of.
- * @returns {*} Returns the parent value.
- */
- function parent(object, path) {
- return path.length < 2 ? object : baseGet(object, baseSlice(path, 0, -1));
- }
+ function defaultStartAngle(d) {
+ return d.startAngle;
+ }
- /**
- * Reorder `array` according to the specified indexes where the element at
- * the first index is assigned as the first element, the element at
- * the second index is assigned as the second element, and so on.
- *
- * @private
- * @param {Array} array The array to reorder.
- * @param {Array} indexes The arranged array indexes.
- * @returns {Array} Returns `array`.
- */
- function reorder(array, indexes) {
- var arrLength = array.length,
- length = nativeMin(indexes.length, arrLength),
- oldArray = copyArray(array);
+ function defaultEndAngle(d) {
+ return d.endAngle;
+ }
- while (length--) {
- var index = indexes[length];
- array[length] = isIndex(index, arrLength) ? oldArray[index] : undefined;
+ function ribbon() {
+ var source = defaultSource,
+ target = defaultTarget,
+ radius = defaultRadius,
+ startAngle = defaultStartAngle,
+ endAngle = defaultEndAngle,
+ context = null;
+
+ function ribbon() {
+ var buffer,
+ argv = slice$2.call(arguments),
+ s = source.apply(this, argv),
+ t = target.apply(this, argv),
+ sr = +radius.apply(this, (argv[0] = s, argv)),
+ sa0 = startAngle.apply(this, argv) - halfPi$1,
+ sa1 = endAngle.apply(this, argv) - halfPi$1,
+ sx0 = sr * cos(sa0),
+ sy0 = sr * sin(sa0),
+ tr = +radius.apply(this, (argv[0] = t, argv)),
+ ta0 = startAngle.apply(this, argv) - halfPi$1,
+ ta1 = endAngle.apply(this, argv) - halfPi$1;
+
+ if (!context) context = buffer = path();
+
+ context.moveTo(sx0, sy0);
+ context.arc(0, 0, sr, sa0, sa1);
+ if (sa0 !== ta0 || sa1 !== ta1) { // TODO sr !== tr?
+ context.quadraticCurveTo(0, 0, tr * cos(ta0), tr * sin(ta0));
+ context.arc(0, 0, tr, ta0, ta1);
}
- return array;
+ context.quadraticCurveTo(0, 0, sx0, sy0);
+ context.closePath();
+
+ if (buffer) return context = null, buffer + "" || null;
}
- /**
- * Sets metadata for `func`.
- *
- * **Note:** If this function becomes hot, i.e. is invoked a lot in a short
- * period of time, it will trip its breaker and transition to an identity
- * function to avoid garbage collection pauses in V8. See
- * [V8 issue 2070](https://bugs.chromium.org/p/v8/issues/detail?id=2070)
- * for more details.
- *
- * @private
- * @param {Function} func The function to associate metadata with.
- * @param {*} data The metadata.
- * @returns {Function} Returns `func`.
- */
- var setData = shortOut(baseSetData);
+ ribbon.radius = function(_) {
+ return arguments.length ? (radius = typeof _ === "function" ? _ : constant$5(+_), ribbon) : radius;
+ };
- /**
- * A simple wrapper around the global [`setTimeout`](https://mdn.io/setTimeout).
- *
- * @private
- * @param {Function} func The function to delay.
- * @param {number} wait The number of milliseconds to delay invocation.
- * @returns {number|Object} Returns the timer id or timeout object.
- */
- var setTimeout = ctxSetTimeout || function(func, wait) {
- return root.setTimeout(func, wait);
+ ribbon.startAngle = function(_) {
+ return arguments.length ? (startAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : startAngle;
};
- /**
- * Sets the `toString` method of `func` to return `string`.
- *
- * @private
- * @param {Function} func The function to modify.
- * @param {Function} string The `toString` result.
- * @returns {Function} Returns `func`.
- */
- var setToString = shortOut(baseSetToString);
+ ribbon.endAngle = function(_) {
+ return arguments.length ? (endAngle = typeof _ === "function" ? _ : constant$5(+_), ribbon) : endAngle;
+ };
- /**
- * Sets the `toString` method of `wrapper` to mimic the source of `reference`
- * with wrapper details in a comment at the top of the source body.
- *
- * @private
- * @param {Function} wrapper The function to modify.
- * @param {Function} reference The reference function.
- * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
- * @returns {Function} Returns `wrapper`.
- */
- function setWrapToString(wrapper, reference, bitmask) {
- var source = (reference + '');
- return setToString(wrapper, insertWrapDetails(source, updateWrapDetails(getWrapDetails(source), bitmask)));
- }
+ ribbon.source = function(_) {
+ return arguments.length ? (source = _, ribbon) : source;
+ };
- /**
- * Creates a function that'll short out and invoke `identity` instead
- * of `func` when it's called `HOT_COUNT` or more times in `HOT_SPAN`
- * milliseconds.
- *
- * @private
- * @param {Function} func The function to restrict.
- * @returns {Function} Returns the new shortable function.
- */
- function shortOut(func) {
- var count = 0,
- lastCalled = 0;
+ ribbon.target = function(_) {
+ return arguments.length ? (target = _, ribbon) : target;
+ };
- return function() {
- var stamp = nativeNow(),
- remaining = HOT_SPAN - (stamp - lastCalled);
+ ribbon.context = function(_) {
+ return arguments.length ? ((context = _ == null ? null : _), ribbon) : context;
+ };
- lastCalled = stamp;
- if (remaining > 0) {
- if (++count >= HOT_COUNT) {
- return arguments[0];
- }
- } else {
- count = 0;
- }
- return func.apply(undefined, arguments);
- };
- }
+ return ribbon;
+ }
- /**
- * A specialized version of `_.shuffle` which mutates and sets the size of `array`.
- *
- * @private
- * @param {Array} array The array to shuffle.
- * @param {number} [size=array.length] The size of `array`.
- * @returns {Array} Returns `array`.
- */
- function shuffleSelf(array, size) {
- var index = -1,
- length = array.length,
- lastIndex = length - 1;
+ var prefix = "$";
- size = size === undefined ? length : size;
- while (++index < size) {
- var rand = baseRandom(index, lastIndex),
- value = array[rand];
+ function Map() {}
- array[rand] = array[index];
- array[index] = value;
- }
- array.length = size;
- return array;
+ Map.prototype = map$1.prototype = {
+ constructor: Map,
+ 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);
}
+ };
- /**
- * Converts `string` to a property path array.
- *
- * @private
- * @param {string} string The string to convert.
- * @returns {Array} Returns the property path array.
- */
- var stringToPath = memoizeCapped(function(string) {
- var result = [];
- if (reLeadingDot.test(string)) {
- result.push('');
- }
- string.replace(rePropName, function(match, number, quote, string) {
- result.push(quote ? string.replace(reEscapeChar, '$1') : (number || match));
- });
- return result;
- });
+ function map$1(object, f) {
+ var map = new Map;
- /**
- * Converts `value` to a string key if it's not a string or symbol.
- *
- * @private
- * @param {*} value The value to inspect.
- * @returns {string|symbol} Returns the key.
- */
- function toKey(value) {
- if (typeof value == 'string' || isSymbol(value)) {
- return value;
- }
- var result = (value + '');
- return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;
- }
+ // Copy constructor.
+ if (object instanceof Map) object.each(function(value, key) { map.set(key, value); });
- /**
- * Converts `func` to its source code.
- *
- * @private
- * @param {Function} func The function to convert.
- * @returns {string} Returns the source code.
- */
- function toSource(func) {
- if (func != null) {
- try {
- return funcToString.call(func);
- } catch (e) {}
- try {
- return (func + '');
- } catch (e) {}
- }
- return '';
- }
+ // Index array by numeric index or specified key function.
+ else if (Array.isArray(object)) {
+ var i = -1,
+ n = object.length,
+ o;
- /**
- * Updates wrapper `details` based on `bitmask` flags.
- *
- * @private
- * @returns {Array} details The details to modify.
- * @param {number} bitmask The bitmask flags. See `createWrap` for more details.
- * @returns {Array} Returns `details`.
- */
- function updateWrapDetails(details, bitmask) {
- arrayEach(wrapFlags, function(pair) {
- var value = '_.' + pair[0];
- if ((bitmask & pair[1]) && !arrayIncludes(details, value)) {
- details.push(value);
- }
- });
- return details.sort();
+ if (f == null) while (++i < n) map.set(i, object[i]);
+ else while (++i < n) map.set(f(o = object[i], i, object), o);
}
- /**
- * Creates a clone of `wrapper`.
- *
- * @private
- * @param {Object} wrapper The wrapper to clone.
- * @returns {Object} Returns the cloned wrapper.
- */
- function wrapperClone(wrapper) {
- if (wrapper instanceof LazyWrapper) {
- return wrapper.clone();
- }
- var result = new LodashWrapper(wrapper.__wrapped__, wrapper.__chain__);
- result.__actions__ = copyArray(wrapper.__actions__);
- result.__index__ = wrapper.__index__;
- result.__values__ = wrapper.__values__;
- return result;
- }
+ // Convert object to map.
+ else if (object) for (var key in object) map.set(key, object[key]);
- /*------------------------------------------------------------------------*/
+ return map;
+ }
- /**
- * Creates an array of elements split into groups the length of `size`.
- * If `array` can't be split evenly, the final chunk will be the remaining
- * elements.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to process.
- * @param {number} [size=1] The length of each chunk
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Array} Returns the new array of chunks.
- * @example
- *
- * _.chunk(['a', 'b', 'c', 'd'], 2);
- * // => [['a', 'b'], ['c', 'd']]
- *
- * _.chunk(['a', 'b', 'c', 'd'], 3);
- * // => [['a', 'b', 'c'], ['d']]
- */
- function chunk(array, size, guard) {
- if ((guard ? isIterateeCall(array, size, guard) : size === undefined)) {
- size = 1;
- } else {
- size = nativeMax(toInteger(size), 0);
- }
- var length = array == null ? 0 : array.length;
- if (!length || size < 1) {
- return [];
- }
- var index = 0,
- resIndex = 0,
- result = Array(nativeCeil(length / size));
+ function nest() {
+ var keys = [],
+ sortKeys = [],
+ sortValues,
+ rollup,
+ nest;
- while (index < length) {
- result[resIndex++] = baseSlice(array, index, (index += size));
+ function apply(array, depth, createResult, setResult) {
+ if (depth >= keys.length) {
+ if (sortValues != null) array.sort(sortValues);
+ return rollup != null ? rollup(array) : array;
}
- return result;
- }
- /**
- * Creates an array with all falsey values removed. The values `false`, `null`,
- * `0`, `""`, `undefined`, and `NaN` are falsey.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to compact.
- * @returns {Array} Returns the new array of filtered values.
- * @example
- *
- * _.compact([0, 1, false, 2, '', 3]);
- * // => [1, 2, 3]
- */
- function compact(array) {
- var index = -1,
- length = array == null ? 0 : array.length,
- resIndex = 0,
- result = [];
+ var i = -1,
+ n = array.length,
+ key = keys[depth++],
+ keyValue,
+ value,
+ valuesByKey = map$1(),
+ values,
+ result = createResult();
- while (++index < length) {
- var value = array[index];
- if (value) {
- result[resIndex++] = value;
+ while (++i < n) {
+ if (values = valuesByKey.get(keyValue = key(value = array[i]) + "")) {
+ values.push(value);
+ } else {
+ valuesByKey.set(keyValue, [value]);
}
}
+
+ valuesByKey.each(function(values, key) {
+ setResult(result, key, apply(values, depth, createResult, setResult));
+ });
+
return result;
}
- /**
- * Creates a new array concatenating `array` with any additional arrays
- * and/or values.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to concatenate.
- * @param {...*} [values] The values to concatenate.
- * @returns {Array} Returns the new concatenated array.
- * @example
- *
- * var array = [1];
- * var other = _.concat(array, 2, [3], [[4]]);
- *
- * console.log(other);
- * // => [1, 2, 3, [4]]
- *
- * console.log(array);
- * // => [1]
- */
- function concat() {
- var length = arguments.length;
- if (!length) {
- return [];
- }
- var args = Array(length - 1),
- array = arguments[0],
- index = length;
-
- while (index--) {
- args[index - 1] = arguments[index];
- }
- return arrayPush(isArray(array) ? copyArray(array) : [array], baseFlatten(args, 1));
+ function entries(map, depth) {
+ if (++depth > keys.length) return map;
+ var array, sortKey = sortKeys[depth - 1];
+ if (rollup != null && depth >= keys.length) array = map.entries();
+ else array = [], map.each(function(v, k) { array.push({key: k, values: entries(v, depth)}); });
+ return sortKey != null ? array.sort(function(a, b) { return sortKey(a.key, b.key); }) : array;
}
- /**
- * Creates an array of `array` values not included in the other given arrays
- * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons. The order and references of result values are
- * determined by the first array.
- *
- * **Note:** Unlike `_.pullAll`, this method returns a new array.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {...Array} [values] The values to exclude.
- * @returns {Array} Returns the new array of filtered values.
- * @see _.without, _.xor
- * @example
- *
- * _.difference([2, 1], [2, 3]);
- * // => [1]
- */
- var difference = baseRest(function(array, values) {
- return isArrayLikeObject(array)
- ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true))
- : [];
- });
-
- /**
- * This method is like `_.difference` except that it accepts `iteratee` which
- * is invoked for each element of `array` and `values` to generate the criterion
- * by which they're compared. The order and references of result values are
- * determined by the first array. The iteratee is invoked with one argument:
- * (value).
- *
- * **Note:** Unlike `_.pullAllBy`, this method returns a new array.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {...Array} [values] The values to exclude.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {Array} Returns the new array of filtered values.
- * @example
- *
- * _.differenceBy([2.1, 1.2], [2.3, 3.4], Math.floor);
- * // => [1.2]
- *
- * // The `_.property` iteratee shorthand.
- * _.differenceBy([{ 'x': 2 }, { 'x': 1 }], [{ 'x': 1 }], 'x');
- * // => [{ 'x': 2 }]
- */
- var differenceBy = baseRest(function(array, values) {
- var iteratee = last(values);
- if (isArrayLikeObject(iteratee)) {
- iteratee = undefined;
- }
- return isArrayLikeObject(array)
- ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), getIteratee(iteratee, 2))
- : [];
- });
+ return nest = {
+ object: function(array) { return apply(array, 0, createObject, setObject); },
+ map: function(array) { return apply(array, 0, createMap, setMap); },
+ entries: function(array) { return entries(apply(array, 0, createMap, setMap), 0); },
+ key: function(d) { keys.push(d); return nest; },
+ sortKeys: function(order) { sortKeys[keys.length - 1] = order; return nest; },
+ sortValues: function(order) { sortValues = order; return nest; },
+ rollup: function(f) { rollup = f; return nest; }
+ };
+ }
- /**
- * This method is like `_.difference` except that it accepts `comparator`
- * which is invoked to compare elements of `array` to `values`. The order and
- * references of result values are determined by the first array. The comparator
- * is invoked with two arguments: (arrVal, othVal).
- *
- * **Note:** Unlike `_.pullAllWith`, this method returns a new array.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {...Array} [values] The values to exclude.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of filtered values.
- * @example
- *
- * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
- *
- * _.differenceWith(objects, [{ 'x': 1, 'y': 2 }], _.isEqual);
- * // => [{ 'x': 2, 'y': 1 }]
- */
- var differenceWith = baseRest(function(array, values) {
- var comparator = last(values);
- if (isArrayLikeObject(comparator)) {
- comparator = undefined;
- }
- return isArrayLikeObject(array)
- ? baseDifference(array, baseFlatten(values, 1, isArrayLikeObject, true), undefined, comparator)
- : [];
- });
+ function createObject() {
+ return {};
+ }
- /**
- * Creates a slice of `array` with `n` elements dropped from the beginning.
- *
- * @static
- * @memberOf _
- * @since 0.5.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {number} [n=1] The number of elements to drop.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * _.drop([1, 2, 3]);
- * // => [2, 3]
- *
- * _.drop([1, 2, 3], 2);
- * // => [3]
- *
- * _.drop([1, 2, 3], 5);
- * // => []
- *
- * _.drop([1, 2, 3], 0);
- * // => [1, 2, 3]
- */
- function drop(array, n, guard) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return [];
- }
- n = (guard || n === undefined) ? 1 : toInteger(n);
- return baseSlice(array, n < 0 ? 0 : n, length);
- }
+ function setObject(object, key, value) {
+ object[key] = value;
+ }
- /**
- * Creates a slice of `array` with `n` elements dropped from the end.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {number} [n=1] The number of elements to drop.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * _.dropRight([1, 2, 3]);
- * // => [1, 2]
- *
- * _.dropRight([1, 2, 3], 2);
- * // => [1]
- *
- * _.dropRight([1, 2, 3], 5);
- * // => []
- *
- * _.dropRight([1, 2, 3], 0);
- * // => [1, 2, 3]
- */
- function dropRight(array, n, guard) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return [];
- }
- n = (guard || n === undefined) ? 1 : toInteger(n);
- n = length - n;
- return baseSlice(array, 0, n < 0 ? 0 : n);
- }
+ function createMap() {
+ return map$1();
+ }
- /**
- * Creates a slice of `array` excluding elements dropped from the end.
- * Elements are dropped until `predicate` returns falsey. The predicate is
- * invoked with three arguments: (value, index, array).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'active': true },
- * { 'user': 'fred', 'active': false },
- * { 'user': 'pebbles', 'active': false }
- * ];
- *
- * _.dropRightWhile(users, function(o) { return !o.active; });
- * // => objects for ['barney']
- *
- * // The `_.matches` iteratee shorthand.
- * _.dropRightWhile(users, { 'user': 'pebbles', 'active': false });
- * // => objects for ['barney', 'fred']
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.dropRightWhile(users, ['active', false]);
- * // => objects for ['barney']
- *
- * // The `_.property` iteratee shorthand.
- * _.dropRightWhile(users, 'active');
- * // => objects for ['barney', 'fred', 'pebbles']
- */
- function dropRightWhile(array, predicate) {
- return (array && array.length)
- ? baseWhile(array, getIteratee(predicate, 3), true, true)
- : [];
- }
+ function setMap(map, key, value) {
+ map.set(key, value);
+ }
- /**
- * Creates a slice of `array` excluding elements dropped from the beginning.
- * Elements are dropped until `predicate` returns falsey. The predicate is
- * invoked with three arguments: (value, index, array).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'active': false },
- * { 'user': 'fred', 'active': false },
- * { 'user': 'pebbles', 'active': true }
- * ];
- *
- * _.dropWhile(users, function(o) { return !o.active; });
- * // => objects for ['pebbles']
- *
- * // The `_.matches` iteratee shorthand.
- * _.dropWhile(users, { 'user': 'barney', 'active': false });
- * // => objects for ['fred', 'pebbles']
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.dropWhile(users, ['active', false]);
- * // => objects for ['pebbles']
- *
- * // The `_.property` iteratee shorthand.
- * _.dropWhile(users, 'active');
- * // => objects for ['barney', 'fred', 'pebbles']
- */
- function dropWhile(array, predicate) {
- return (array && array.length)
- ? baseWhile(array, getIteratee(predicate, 3), true)
- : [];
- }
+ function Set() {}
- /**
- * Fills elements of `array` with `value` from `start` up to, but not
- * including, `end`.
- *
- * **Note:** This method mutates `array`.
- *
- * @static
- * @memberOf _
- * @since 3.2.0
- * @category Array
- * @param {Array} array The array to fill.
- * @param {*} value The value to fill `array` with.
- * @param {number} [start=0] The start position.
- * @param {number} [end=array.length] The end position.
- * @returns {Array} Returns `array`.
- * @example
- *
- * var array = [1, 2, 3];
- *
- * _.fill(array, 'a');
- * console.log(array);
- * // => ['a', 'a', 'a']
- *
- * _.fill(Array(3), 2);
- * // => [2, 2, 2]
- *
- * _.fill([4, 6, 8, 10], '*', 1, 3);
- * // => [4, '*', '*', 10]
- */
- function fill(array, value, start, end) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return [];
- }
- if (start && typeof start != 'number' && isIterateeCall(array, value, start)) {
- start = 0;
- end = length;
- }
- return baseFill(array, value, start, end);
- }
+ var proto = map$1.prototype;
- /**
- * This method is like `_.find` except that it returns the index of the first
- * element `predicate` returns truthy for instead of the element itself.
- *
- * @static
- * @memberOf _
- * @since 1.1.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @param {number} [fromIndex=0] The index to search from.
- * @returns {number} Returns the index of the found element, else `-1`.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'active': false },
- * { 'user': 'fred', 'active': false },
- * { 'user': 'pebbles', 'active': true }
- * ];
- *
- * _.findIndex(users, function(o) { return o.user == 'barney'; });
- * // => 0
- *
- * // The `_.matches` iteratee shorthand.
- * _.findIndex(users, { 'user': 'fred', 'active': false });
- * // => 1
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.findIndex(users, ['active', false]);
- * // => 0
- *
- * // The `_.property` iteratee shorthand.
- * _.findIndex(users, 'active');
- * // => 2
- */
- function findIndex(array, predicate, fromIndex) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return -1;
- }
- var index = fromIndex == null ? 0 : toInteger(fromIndex);
- if (index < 0) {
- index = nativeMax(length + index, 0);
- }
- return baseFindIndex(array, getIteratee(predicate, 3), index);
- }
+ Set.prototype = set$2.prototype = {
+ constructor: Set,
+ 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
+ };
- /**
- * This method is like `_.findIndex` except that it iterates over elements
- * of `collection` from right to left.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @param {number} [fromIndex=array.length-1] The index to search from.
- * @returns {number} Returns the index of the found element, else `-1`.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'active': true },
- * { 'user': 'fred', 'active': false },
- * { 'user': 'pebbles', 'active': false }
- * ];
- *
- * _.findLastIndex(users, function(o) { return o.user == 'pebbles'; });
- * // => 2
- *
- * // The `_.matches` iteratee shorthand.
- * _.findLastIndex(users, { 'user': 'barney', 'active': true });
- * // => 0
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.findLastIndex(users, ['active', false]);
- * // => 2
- *
- * // The `_.property` iteratee shorthand.
- * _.findLastIndex(users, 'active');
- * // => 0
- */
- function findLastIndex(array, predicate, fromIndex) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return -1;
- }
- var index = length - 1;
- if (fromIndex !== undefined) {
- index = toInteger(fromIndex);
- index = fromIndex < 0
- ? nativeMax(length + index, 0)
- : nativeMin(index, length - 1);
- }
- return baseFindIndex(array, getIteratee(predicate, 3), index, true);
- }
+ function set$2(object, f) {
+ var set = new Set;
- /**
- * Flattens `array` a single level deep.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to flatten.
- * @returns {Array} Returns the new flattened array.
- * @example
- *
- * _.flatten([1, [2, [3, [4]], 5]]);
- * // => [1, 2, [3, [4]], 5]
- */
- function flatten(array) {
- var length = array == null ? 0 : array.length;
- return length ? baseFlatten(array, 1) : [];
- }
+ // Copy constructor.
+ if (object instanceof Set) object.each(function(value) { set.add(value); });
- /**
- * Recursively flattens `array`.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to flatten.
- * @returns {Array} Returns the new flattened array.
- * @example
- *
- * _.flattenDeep([1, [2, [3, [4]], 5]]);
- * // => [1, 2, 3, 4, 5]
- */
- function flattenDeep(array) {
- var length = array == null ? 0 : array.length;
- return length ? baseFlatten(array, INFINITY) : [];
+ // Otherwise, assume itâs 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));
}
- /**
- * Recursively flatten `array` up to `depth` times.
- *
- * @static
- * @memberOf _
- * @since 4.4.0
- * @category Array
- * @param {Array} array The array to flatten.
- * @param {number} [depth=1] The maximum recursion depth.
- * @returns {Array} Returns the new flattened array.
- * @example
- *
- * var array = [1, [2, [3, [4]], 5]];
- *
- * _.flattenDepth(array, 1);
- * // => [1, 2, [3, [4]], 5]
- *
- * _.flattenDepth(array, 2);
- * // => [1, 2, 3, [4], 5]
- */
- function flattenDepth(array, depth) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return [];
- }
- depth = depth === undefined ? 1 : toInteger(depth);
- return baseFlatten(array, depth);
- }
+ return set;
+ }
- /**
- * The inverse of `_.toPairs`; this method returns an object composed
- * from key-value `pairs`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} pairs The key-value pairs.
- * @returns {Object} Returns the new object.
- * @example
- *
- * _.fromPairs([['a', 1], ['b', 2]]);
- * // => { 'a': 1, 'b': 2 }
- */
- function fromPairs(pairs) {
- var index = -1,
- length = pairs == null ? 0 : pairs.length,
- result = {};
+ function keys(map) {
+ var keys = [];
+ for (var key in map) keys.push(key);
+ return keys;
+ }
- while (++index < length) {
- var pair = pairs[index];
- result[pair[0]] = pair[1];
- }
- return result;
- }
+ function values(map) {
+ var values = [];
+ for (var key in map) values.push(map[key]);
+ return values;
+ }
- /**
- * Gets the first element of `array`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @alias first
- * @category Array
- * @param {Array} array The array to query.
- * @returns {*} Returns the first element of `array`.
- * @example
- *
- * _.head([1, 2, 3]);
- * // => 1
- *
- * _.head([]);
- * // => undefined
- */
- function head(array) {
- return (array && array.length) ? array[0] : undefined;
- }
+ function entries(map) {
+ var entries = [];
+ for (var key in map) entries.push({key: key, value: map[key]});
+ return entries;
+ }
- /**
- * Gets the index at which the first occurrence of `value` is found in `array`
- * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons. If `fromIndex` is negative, it's used as the
- * offset from the end of `array`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} [fromIndex=0] The index to search from.
- * @returns {number} Returns the index of the matched value, else `-1`.
- * @example
- *
- * _.indexOf([1, 2, 1, 2], 2);
- * // => 1
- *
- * // Search from the `fromIndex`.
- * _.indexOf([1, 2, 1, 2], 2, 2);
- * // => 3
- */
- function indexOf(array, value, fromIndex) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return -1;
- }
- var index = fromIndex == null ? 0 : toInteger(fromIndex);
- if (index < 0) {
- index = nativeMax(length + index, 0);
- }
- return baseIndexOf(array, value, index);
- }
+ var EOL = {},
+ EOF = {},
+ QUOTE = 34,
+ NEWLINE = 10,
+ RETURN = 13;
- /**
- * Gets all but the last element of `array`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to query.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * _.initial([1, 2, 3]);
- * // => [1, 2]
- */
- function initial(array) {
- var length = array == null ? 0 : array.length;
- return length ? baseSlice(array, 0, -1) : [];
- }
+ function objectConverter(columns) {
+ return new Function("d", "return {" + columns.map(function(name, i) {
+ return JSON.stringify(name) + ": d[" + i + "]";
+ }).join(",") + "}");
+ }
- /**
- * Creates an array of unique values that are included in all given arrays
- * using [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons. The order and references of result values are
- * determined by the first array.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @returns {Array} Returns the new array of intersecting values.
- * @example
- *
- * _.intersection([2, 1], [2, 3]);
- * // => [2]
- */
- var intersection = baseRest(function(arrays) {
- var mapped = arrayMap(arrays, castArrayLikeObject);
- return (mapped.length && mapped[0] === arrays[0])
- ? baseIntersection(mapped)
- : [];
- });
+ function customConverter(columns, f) {
+ var object = objectConverter(columns);
+ return function(row, i) {
+ return f(object(row), i, columns);
+ };
+ }
- /**
- * This method is like `_.intersection` except that it accepts `iteratee`
- * which is invoked for each element of each `arrays` to generate the criterion
- * by which they're compared. The order and references of result values are
- * determined by the first array. The iteratee is invoked with one argument:
- * (value).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {Array} Returns the new array of intersecting values.
- * @example
- *
- * _.intersectionBy([2.1, 1.2], [2.3, 3.4], Math.floor);
- * // => [2.1]
- *
- * // The `_.property` iteratee shorthand.
- * _.intersectionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
- * // => [{ 'x': 1 }]
- */
- var intersectionBy = baseRest(function(arrays) {
- var iteratee = last(arrays),
- mapped = arrayMap(arrays, castArrayLikeObject);
+ // Compute unique columns in order of discovery.
+ function inferColumns(rows) {
+ var columnSet = Object.create(null),
+ columns = [];
- if (iteratee === last(mapped)) {
- iteratee = undefined;
- } else {
- mapped.pop();
+ rows.forEach(function(row) {
+ for (var column in row) {
+ if (!(column in columnSet)) {
+ columns.push(columnSet[column] = column);
+ }
}
- return (mapped.length && mapped[0] === arrays[0])
- ? baseIntersection(mapped, getIteratee(iteratee, 2))
- : [];
});
- /**
- * This method is like `_.intersection` except that it accepts `comparator`
- * which is invoked to compare elements of `arrays`. The order and references
- * of result values are determined by the first array. The comparator is
- * invoked with two arguments: (arrVal, othVal).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of intersecting values.
- * @example
- *
- * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
- * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
- *
- * _.intersectionWith(objects, others, _.isEqual);
- * // => [{ 'x': 1, 'y': 2 }]
- */
- var intersectionWith = baseRest(function(arrays) {
- var comparator = last(arrays),
- mapped = arrayMap(arrays, castArrayLikeObject);
+ return columns;
+ }
- comparator = typeof comparator == 'function' ? comparator : undefined;
- if (comparator) {
- mapped.pop();
- }
- return (mapped.length && mapped[0] === arrays[0])
- ? baseIntersection(mapped, undefined, comparator)
- : [];
- });
+ function dsv(delimiter) {
+ var reFormat = new RegExp("[\"" + delimiter + "\n\r]"),
+ DELIMITER = delimiter.charCodeAt(0);
- /**
- * Converts all elements in `array` into a string separated by `separator`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to convert.
- * @param {string} [separator=','] The element separator.
- * @returns {string} Returns the joined string.
- * @example
- *
- * _.join(['a', 'b', 'c'], '~');
- * // => 'a~b~c'
- */
- function join(array, separator) {
- return array == null ? '' : nativeJoin.call(array, separator);
+ function parse(text, f) {
+ var convert, columns, rows = parseRows(text, function(row, i) {
+ if (convert) return convert(row, i - 1);
+ columns = row, convert = f ? customConverter(row, f) : objectConverter(row);
+ });
+ rows.columns = columns || [];
+ return rows;
}
- /**
- * Gets the last element of `array`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to query.
- * @returns {*} Returns the last element of `array`.
- * @example
- *
- * _.last([1, 2, 3]);
- * // => 3
- */
- function last(array) {
- var length = array == null ? 0 : array.length;
- return length ? array[length - 1] : undefined;
- }
+ function parseRows(text, f) {
+ var rows = [], // output rows
+ N = text.length,
+ I = 0, // current character index
+ n = 0, // current line number
+ t, // current token
+ eof = N <= 0, // current token followed by EOF?
+ eol = false; // current token followed by EOL?
- /**
- * This method is like `_.indexOf` except that it iterates over elements of
- * `array` from right to left.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @param {number} [fromIndex=array.length-1] The index to search from.
- * @returns {number} Returns the index of the matched value, else `-1`.
- * @example
- *
- * _.lastIndexOf([1, 2, 1, 2], 2);
- * // => 3
- *
- * // Search from the `fromIndex`.
- * _.lastIndexOf([1, 2, 1, 2], 2, 2);
- * // => 1
- */
- function lastIndexOf(array, value, fromIndex) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return -1;
+ // Strip the trailing newline.
+ if (text.charCodeAt(N - 1) === NEWLINE) --N;
+ if (text.charCodeAt(N - 1) === RETURN) --N;
+
+ function token() {
+ if (eof) return EOF;
+ if (eol) return eol = false, EOL;
+
+ // Unescape quotes.
+ var i, j = I, c;
+ if (text.charCodeAt(j) === QUOTE) {
+ while (I++ < N && text.charCodeAt(I) !== QUOTE || text.charCodeAt(++I) === QUOTE);
+ if ((i = I) >= N) eof = true;
+ else if ((c = text.charCodeAt(I++)) === NEWLINE) eol = true;
+ else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; }
+ return text.slice(j + 1, i - 1).replace(/""/g, "\"");
+ }
+
+ // Find next delimiter or newline.
+ while (I < N) {
+ if ((c = text.charCodeAt(i = I++)) === NEWLINE) eol = true;
+ else if (c === RETURN) { eol = true; if (text.charCodeAt(I) === NEWLINE) ++I; }
+ else if (c !== DELIMITER) continue;
+ return text.slice(j, i);
+ }
+
+ // Return last token before EOF.
+ return eof = true, text.slice(j, N);
}
- var index = length;
- if (fromIndex !== undefined) {
- index = toInteger(fromIndex);
- index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1);
+
+ while ((t = token()) !== EOF) {
+ var row = [];
+ while (t !== EOL && t !== EOF) row.push(t), t = token();
+ if (f && (row = f(row, n++)) == null) continue;
+ rows.push(row);
}
- return value === value
- ? strictLastIndexOf(array, value, index)
- : baseFindIndex(array, baseIsNaN, index, true);
- }
- /**
- * Gets the element at index `n` of `array`. If `n` is negative, the nth
- * element from the end is returned.
- *
- * @static
- * @memberOf _
- * @since 4.11.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {number} [n=0] The index of the element to return.
- * @returns {*} Returns the nth element of `array`.
- * @example
- *
- * var array = ['a', 'b', 'c', 'd'];
- *
- * _.nth(array, 1);
- * // => 'b'
- *
- * _.nth(array, -2);
- * // => 'c';
- */
- function nth(array, n) {
- return (array && array.length) ? baseNth(array, toInteger(n)) : undefined;
+ return rows;
}
- /**
- * Removes all given values from `array` using
- * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons.
- *
- * **Note:** Unlike `_.without`, this method mutates `array`. Use `_.remove`
- * to remove elements from an array by predicate.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Array
- * @param {Array} array The array to modify.
- * @param {...*} [values] The values to remove.
- * @returns {Array} Returns `array`.
- * @example
- *
- * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
- *
- * _.pull(array, 'a', 'c');
- * console.log(array);
- * // => ['b', 'b']
- */
- var pull = baseRest(pullAll);
+ function format(rows, columns) {
+ if (columns == null) columns = inferColumns(rows);
+ return [columns.map(formatValue).join(delimiter)].concat(rows.map(function(row) {
+ return columns.map(function(column) {
+ return formatValue(row[column]);
+ }).join(delimiter);
+ })).join("\n");
+ }
- /**
- * This method is like `_.pull` except that it accepts an array of values to remove.
- *
- * **Note:** Unlike `_.difference`, this method mutates `array`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to modify.
- * @param {Array} values The values to remove.
- * @returns {Array} Returns `array`.
- * @example
- *
- * var array = ['a', 'b', 'c', 'a', 'b', 'c'];
- *
- * _.pullAll(array, ['a', 'c']);
- * console.log(array);
- * // => ['b', 'b']
- */
- function pullAll(array, values) {
- return (array && array.length && values && values.length)
- ? basePullAll(array, values)
- : array;
+ function formatRows(rows) {
+ return rows.map(formatRow).join("\n");
}
- /**
- * This method is like `_.pullAll` except that it accepts `iteratee` which is
- * invoked for each element of `array` and `values` to generate the criterion
- * by which they're compared. The iteratee is invoked with one argument: (value).
- *
- * **Note:** Unlike `_.differenceBy`, this method mutates `array`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to modify.
- * @param {Array} values The values to remove.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {Array} Returns `array`.
- * @example
- *
- * var array = [{ 'x': 1 }, { 'x': 2 }, { 'x': 3 }, { 'x': 1 }];
- *
- * _.pullAllBy(array, [{ 'x': 1 }, { 'x': 3 }], 'x');
- * console.log(array);
- * // => [{ 'x': 2 }]
- */
- function pullAllBy(array, values, iteratee) {
- return (array && array.length && values && values.length)
- ? basePullAll(array, values, getIteratee(iteratee, 2))
- : array;
+ function formatRow(row) {
+ return row.map(formatValue).join(delimiter);
}
- /**
- * This method is like `_.pullAll` except that it accepts `comparator` which
- * is invoked to compare elements of `array` to `values`. The comparator is
- * invoked with two arguments: (arrVal, othVal).
- *
- * **Note:** Unlike `_.differenceWith`, this method mutates `array`.
- *
- * @static
- * @memberOf _
- * @since 4.6.0
- * @category Array
- * @param {Array} array The array to modify.
- * @param {Array} values The values to remove.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns `array`.
- * @example
- *
- * var array = [{ 'x': 1, 'y': 2 }, { 'x': 3, 'y': 4 }, { 'x': 5, 'y': 6 }];
- *
- * _.pullAllWith(array, [{ 'x': 3, 'y': 4 }], _.isEqual);
- * console.log(array);
- * // => [{ 'x': 1, 'y': 2 }, { 'x': 5, 'y': 6 }]
- */
- function pullAllWith(array, values, comparator) {
- return (array && array.length && values && values.length)
- ? basePullAll(array, values, undefined, comparator)
- : array;
+ function formatValue(text) {
+ return text == null ? ""
+ : reFormat.test(text += "") ? "\"" + text.replace(/"/g, "\"\"") + "\""
+ : text;
}
- /**
- * Removes elements from `array` corresponding to `indexes` and returns an
- * array of removed elements.
- *
- * **Note:** Unlike `_.at`, this method mutates `array`.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to modify.
- * @param {...(number|number[])} [indexes] The indexes of elements to remove.
- * @returns {Array} Returns the new array of removed elements.
- * @example
- *
- * var array = ['a', 'b', 'c', 'd'];
- * var pulled = _.pullAt(array, [1, 3]);
- *
- * console.log(array);
- * // => ['a', 'c']
- *
- * console.log(pulled);
- * // => ['b', 'd']
- */
- var pullAt = flatRest(function(array, indexes) {
- var length = array == null ? 0 : array.length,
- result = baseAt(array, indexes);
+ return {
+ parse: parse,
+ parseRows: parseRows,
+ format: format,
+ formatRows: formatRows
+ };
+ }
- basePullAt(array, arrayMap(indexes, function(index) {
- return isIndex(index, length) ? +index : index;
- }).sort(compareAscending));
+ var csv = dsv(",");
- return result;
- });
+ var csvParse = csv.parse;
+ var csvParseRows = csv.parseRows;
+ var csvFormat = csv.format;
+ var csvFormatRows = csv.formatRows;
- /**
- * Removes all elements from `array` that `predicate` returns truthy for
- * and returns an array of the removed elements. The predicate is invoked
- * with three arguments: (value, index, array).
- *
- * **Note:** Unlike `_.filter`, this method mutates `array`. Use `_.pull`
- * to pull elements from an array by value.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Array
- * @param {Array} array The array to modify.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the new array of removed elements.
- * @example
- *
- * var array = [1, 2, 3, 4];
- * var evens = _.remove(array, function(n) {
- * return n % 2 == 0;
- * });
- *
- * console.log(array);
- * // => [1, 3]
- *
- * console.log(evens);
- * // => [2, 4]
- */
- function remove(array, predicate) {
- var result = [];
- if (!(array && array.length)) {
- return result;
- }
- var index = -1,
- indexes = [],
- length = array.length;
+ var tsv = dsv("\t");
- predicate = getIteratee(predicate, 3);
- while (++index < length) {
- var value = array[index];
- if (predicate(value, index, array)) {
- result.push(value);
- indexes.push(index);
- }
- }
- basePullAt(array, indexes);
- return result;
- }
+ var tsvParse = tsv.parse;
+ var tsvParseRows = tsv.parseRows;
+ var tsvFormat = tsv.format;
+ var tsvFormatRows = tsv.formatRows;
- /**
- * Reverses `array` so that the first element becomes the last, the second
- * element becomes the second to last, and so on.
- *
- * **Note:** This method mutates `array` and is based on
- * [`Array#reverse`](https://mdn.io/Array/reverse).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to modify.
- * @returns {Array} Returns `array`.
- * @example
- *
- * var array = [1, 2, 3];
- *
- * _.reverse(array);
- * // => [3, 2, 1]
- *
- * console.log(array);
- * // => [3, 2, 1]
- */
- function reverse(array) {
- return array == null ? array : nativeReverse.call(array);
- }
+ function center$1(x, y) {
+ var nodes;
- /**
- * Creates a slice of `array` from `start` up to, but not including, `end`.
- *
- * **Note:** This method is used instead of
- * [`Array#slice`](https://mdn.io/Array/slice) to ensure dense arrays are
- * returned.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to slice.
- * @param {number} [start=0] The start position.
- * @param {number} [end=array.length] The end position.
- * @returns {Array} Returns the slice of `array`.
- */
- function slice(array, start, end) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return [];
- }
- if (end && typeof end != 'number' && isIterateeCall(array, start, end)) {
- start = 0;
- end = length;
+ if (x == null) x = 0;
+ if (y == null) y = 0;
+
+ function force() {
+ var i,
+ n = nodes.length,
+ node,
+ sx = 0,
+ sy = 0;
+
+ for (i = 0; i < n; ++i) {
+ node = nodes[i], sx += node.x, sy += node.y;
}
- else {
- start = start == null ? 0 : toInteger(start);
- end = end === undefined ? length : toInteger(end);
+
+ for (sx = sx / n - x, sy = sy / n - y, i = 0; i < n; ++i) {
+ node = nodes[i], node.x -= sx, node.y -= sy;
}
- return baseSlice(array, start, end);
}
- /**
- * Uses a binary search to determine the lowest index at which `value`
- * should be inserted into `array` in order to maintain its sort order.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The sorted array to inspect.
- * @param {*} value The value to evaluate.
- * @returns {number} Returns the index at which `value` should be inserted
- * into `array`.
- * @example
- *
- * _.sortedIndex([30, 50], 40);
- * // => 1
- */
- function sortedIndex(array, value) {
- return baseSortedIndex(array, value);
- }
+ force.initialize = function(_) {
+ nodes = _;
+ };
- /**
- * This method is like `_.sortedIndex` except that it accepts `iteratee`
- * which is invoked for `value` and each element of `array` to compute their
- * sort ranking. The iteratee is invoked with one argument: (value).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The sorted array to inspect.
- * @param {*} value The value to evaluate.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {number} Returns the index at which `value` should be inserted
- * into `array`.
- * @example
- *
- * var objects = [{ 'x': 4 }, { 'x': 5 }];
- *
- * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
- * // => 0
- *
- * // The `_.property` iteratee shorthand.
- * _.sortedIndexBy(objects, { 'x': 4 }, 'x');
- * // => 0
- */
- function sortedIndexBy(array, value, iteratee) {
- return baseSortedIndexBy(array, value, getIteratee(iteratee, 2));
+ force.x = function(_) {
+ return arguments.length ? (x = +_, force) : x;
+ };
+
+ force.y = function(_) {
+ return arguments.length ? (y = +_, force) : y;
+ };
+
+ return force;
+ }
+
+ function constant$6(x) {
+ return function() {
+ return x;
+ };
+ }
+
+ function jiggle() {
+ return (Math.random() - 0.5) * 1e-6;
+ }
+
+ function tree_add(d) {
+ var x = +this._x.call(null, d),
+ y = +this._y.call(null, d);
+ return add(this.cover(x, y), x, y, d);
+ }
+
+ function add(tree, x, y, d) {
+ if (isNaN(x) || isNaN(y)) return tree; // ignore invalid points
+
+ var parent,
+ node = tree._root,
+ leaf = {data: d},
+ x0 = tree._x0,
+ y0 = tree._y0,
+ x1 = tree._x1,
+ y1 = tree._y1,
+ xm,
+ ym,
+ xp,
+ yp,
+ right,
+ bottom,
+ i,
+ j;
+
+ // If the tree is empty, initialize the root as a leaf.
+ if (!node) return tree._root = leaf, tree;
+
+ // Find the existing leaf for the new point, or add it.
+ while (node.length) {
+ if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
+ if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
+ if (parent = node, !(node = node[i = bottom << 1 | right])) return parent[i] = leaf, tree;
}
- /**
- * This method is like `_.indexOf` except that it performs a binary
- * search on a sorted `array`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- * @example
- *
- * _.sortedIndexOf([4, 5, 5, 5, 6], 5);
- * // => 1
- */
- function sortedIndexOf(array, value) {
- var length = array == null ? 0 : array.length;
- if (length) {
- var index = baseSortedIndex(array, value);
- if (index < length && eq(array[index], value)) {
- return index;
- }
- }
- return -1;
+ // Is the new point is exactly coincident with the existing point?
+ xp = +tree._x.call(null, node.data);
+ yp = +tree._y.call(null, node.data);
+ if (x === xp && y === yp) return leaf.next = node, parent ? parent[i] = leaf : tree._root = leaf, tree;
+
+ // Otherwise, split the leaf node until the old and new point are separated.
+ do {
+ parent = parent ? parent[i] = new Array(4) : tree._root = new Array(4);
+ if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
+ if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
+ } while ((i = bottom << 1 | right) === (j = (yp >= ym) << 1 | (xp >= xm)));
+ return parent[j] = node, parent[i] = leaf, tree;
+ }
+
+ function addAll(data) {
+ var d, i, n = data.length,
+ x,
+ y,
+ xz = new Array(n),
+ yz = new Array(n),
+ x0 = Infinity,
+ y0 = Infinity,
+ x1 = -Infinity,
+ y1 = -Infinity;
+
+ // Compute the points and their extent.
+ for (i = 0; i < n; ++i) {
+ if (isNaN(x = +this._x.call(null, d = data[i])) || isNaN(y = +this._y.call(null, d))) continue;
+ xz[i] = x;
+ yz[i] = y;
+ if (x < x0) x0 = x;
+ if (x > x1) x1 = x;
+ if (y < y0) y0 = y;
+ if (y > y1) y1 = y;
}
- /**
- * This method is like `_.sortedIndex` except that it returns the highest
- * index at which `value` should be inserted into `array` in order to
- * maintain its sort order.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The sorted array to inspect.
- * @param {*} value The value to evaluate.
- * @returns {number} Returns the index at which `value` should be inserted
- * into `array`.
- * @example
- *
- * _.sortedLastIndex([4, 5, 5, 5, 6], 5);
- * // => 4
- */
- function sortedLastIndex(array, value) {
- return baseSortedIndex(array, value, true);
+ // If there were no (valid) points, inherit the existing extent.
+ if (x1 < x0) x0 = this._x0, x1 = this._x1;
+ if (y1 < y0) y0 = this._y0, y1 = this._y1;
+
+ // Expand the tree to cover the new points.
+ this.cover(x0, y0).cover(x1, y1);
+
+ // Add the new points.
+ for (i = 0; i < n; ++i) {
+ add(this, xz[i], yz[i], data[i]);
}
- /**
- * This method is like `_.sortedLastIndex` except that it accepts `iteratee`
- * which is invoked for `value` and each element of `array` to compute their
- * sort ranking. The iteratee is invoked with one argument: (value).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The sorted array to inspect.
- * @param {*} value The value to evaluate.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {number} Returns the index at which `value` should be inserted
- * into `array`.
- * @example
- *
- * var objects = [{ 'x': 4 }, { 'x': 5 }];
- *
- * _.sortedLastIndexBy(objects, { 'x': 4 }, function(o) { return o.x; });
- * // => 1
- *
- * // The `_.property` iteratee shorthand.
- * _.sortedLastIndexBy(objects, { 'x': 4 }, 'x');
- * // => 1
- */
- function sortedLastIndexBy(array, value, iteratee) {
- return baseSortedIndexBy(array, value, getIteratee(iteratee, 2), true);
+ return this;
+ }
+
+ function tree_cover(x, y) {
+ if (isNaN(x = +x) || isNaN(y = +y)) return this; // ignore invalid points
+
+ var x0 = this._x0,
+ y0 = this._y0,
+ x1 = this._x1,
+ y1 = this._y1;
+
+ // If the quadtree has no extent, initialize them.
+ // Integer extent are necessary so that if we later double the extent,
+ // the existing quadrant boundaries donât change due to floating point error!
+ if (isNaN(x0)) {
+ x1 = (x0 = Math.floor(x)) + 1;
+ y1 = (y0 = Math.floor(y)) + 1;
}
- /**
- * This method is like `_.lastIndexOf` except that it performs a binary
- * search on a sorted `array`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {*} value The value to search for.
- * @returns {number} Returns the index of the matched value, else `-1`.
- * @example
- *
- * _.sortedLastIndexOf([4, 5, 5, 5, 6], 5);
- * // => 3
- */
- function sortedLastIndexOf(array, value) {
- var length = array == null ? 0 : array.length;
- if (length) {
- var index = baseSortedIndex(array, value, true) - 1;
- if (eq(array[index], value)) {
- return index;
+ // Otherwise, double repeatedly to cover.
+ else if (x0 > x || x > x1 || y0 > y || y > y1) {
+ var z = x1 - x0,
+ node = this._root,
+ parent,
+ i;
+
+ switch (i = (y < (y0 + y1) / 2) << 1 | (x < (x0 + x1) / 2)) {
+ case 0: {
+ do parent = new Array(4), parent[i] = node, node = parent;
+ while (z *= 2, x1 = x0 + z, y1 = y0 + z, x > x1 || y > y1);
+ break;
+ }
+ case 1: {
+ do parent = new Array(4), parent[i] = node, node = parent;
+ while (z *= 2, x0 = x1 - z, y1 = y0 + z, x0 > x || y > y1);
+ break;
+ }
+ case 2: {
+ do parent = new Array(4), parent[i] = node, node = parent;
+ while (z *= 2, x1 = x0 + z, y0 = y1 - z, x > x1 || y0 > y);
+ break;
+ }
+ case 3: {
+ do parent = new Array(4), parent[i] = node, node = parent;
+ while (z *= 2, x0 = x1 - z, y0 = y1 - z, x0 > x || y0 > y);
+ break;
}
}
- return -1;
- }
- /**
- * This method is like `_.uniq` except that it's designed and optimized
- * for sorted arrays.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @returns {Array} Returns the new duplicate free array.
- * @example
- *
- * _.sortedUniq([1, 1, 2]);
- * // => [1, 2]
- */
- function sortedUniq(array) {
- return (array && array.length)
- ? baseSortedUniq(array)
- : [];
+ if (this._root && this._root.length) this._root = node;
}
- /**
- * This method is like `_.uniqBy` except that it's designed and optimized
- * for sorted arrays.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {Function} [iteratee] The iteratee invoked per element.
- * @returns {Array} Returns the new duplicate free array.
- * @example
- *
- * _.sortedUniqBy([1.1, 1.2, 2.3, 2.4], Math.floor);
- * // => [1.1, 2.3]
- */
- function sortedUniqBy(array, iteratee) {
- return (array && array.length)
- ? baseSortedUniq(array, getIteratee(iteratee, 2))
- : [];
- }
+ // If the quadtree covers the point already, just return.
+ else return this;
- /**
- * Gets all but the first element of `array`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to query.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * _.tail([1, 2, 3]);
- * // => [2, 3]
- */
- function tail(array) {
- var length = array == null ? 0 : array.length;
- return length ? baseSlice(array, 1, length) : [];
- }
+ this._x0 = x0;
+ this._y0 = y0;
+ this._x1 = x1;
+ this._y1 = y1;
+ return this;
+ }
- /**
- * Creates a slice of `array` with `n` elements taken from the beginning.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {number} [n=1] The number of elements to take.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * _.take([1, 2, 3]);
- * // => [1]
- *
- * _.take([1, 2, 3], 2);
- * // => [1, 2]
- *
- * _.take([1, 2, 3], 5);
- * // => [1, 2, 3]
- *
- * _.take([1, 2, 3], 0);
- * // => []
- */
- function take(array, n, guard) {
- if (!(array && array.length)) {
- return [];
+ function tree_data() {
+ var data = [];
+ this.visit(function(node) {
+ if (!node.length) do data.push(node.data); while (node = node.next)
+ });
+ return data;
+ }
+
+ function tree_extent(_) {
+ return arguments.length
+ ? this.cover(+_[0][0], +_[0][1]).cover(+_[1][0], +_[1][1])
+ : isNaN(this._x0) ? undefined : [[this._x0, this._y0], [this._x1, this._y1]];
+ }
+
+ function Quad(node, x0, y0, x1, y1) {
+ this.node = node;
+ this.x0 = x0;
+ this.y0 = y0;
+ this.x1 = x1;
+ this.y1 = y1;
+ }
+
+ function tree_find(x, y, radius) {
+ var data,
+ x0 = this._x0,
+ y0 = this._y0,
+ x1,
+ y1,
+ x2,
+ y2,
+ x3 = this._x1,
+ y3 = this._y1,
+ quads = [],
+ node = this._root,
+ q,
+ i;
+
+ if (node) quads.push(new Quad(node, x0, y0, x3, y3));
+ if (radius == null) radius = Infinity;
+ else {
+ x0 = x - radius, y0 = y - radius;
+ x3 = x + radius, y3 = y + radius;
+ radius *= radius;
+ }
+
+ while (q = quads.pop()) {
+
+ // Stop searching if this quadrant canât contain a closer node.
+ if (!(node = q.node)
+ || (x1 = q.x0) > x3
+ || (y1 = q.y0) > y3
+ || (x2 = q.x1) < x0
+ || (y2 = q.y1) < y0) continue;
+
+ // Bisect the current quadrant.
+ if (node.length) {
+ var xm = (x1 + x2) / 2,
+ ym = (y1 + y2) / 2;
+
+ quads.push(
+ new Quad(node[3], xm, ym, x2, y2),
+ new Quad(node[2], x1, ym, xm, y2),
+ new Quad(node[1], xm, y1, x2, ym),
+ new Quad(node[0], x1, y1, xm, ym)
+ );
+
+ // Visit the closest quadrant first.
+ if (i = (y >= ym) << 1 | (x >= xm)) {
+ q = quads[quads.length - 1];
+ quads[quads.length - 1] = quads[quads.length - 1 - i];
+ quads[quads.length - 1 - i] = q;
+ }
}
- n = (guard || n === undefined) ? 1 : toInteger(n);
- return baseSlice(array, 0, n < 0 ? 0 : n);
- }
- /**
- * Creates a slice of `array` with `n` elements taken from the end.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {number} [n=1] The number of elements to take.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * _.takeRight([1, 2, 3]);
- * // => [3]
- *
- * _.takeRight([1, 2, 3], 2);
- * // => [2, 3]
- *
- * _.takeRight([1, 2, 3], 5);
- * // => [1, 2, 3]
- *
- * _.takeRight([1, 2, 3], 0);
- * // => []
- */
- function takeRight(array, n, guard) {
- var length = array == null ? 0 : array.length;
- if (!length) {
- return [];
+ // Visit this point. (Visiting coincident points isnât necessary!)
+ else {
+ var dx = x - +this._x.call(null, node.data),
+ dy = y - +this._y.call(null, node.data),
+ d2 = dx * dx + dy * dy;
+ if (d2 < radius) {
+ var d = Math.sqrt(radius = d2);
+ x0 = x - d, y0 = y - d;
+ x3 = x + d, y3 = y + d;
+ data = node.data;
+ }
}
- n = (guard || n === undefined) ? 1 : toInteger(n);
- n = length - n;
- return baseSlice(array, n < 0 ? 0 : n, length);
}
- /**
- * Creates a slice of `array` with elements taken from the end. Elements are
- * taken until `predicate` returns falsey. The predicate is invoked with
- * three arguments: (value, index, array).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'active': true },
- * { 'user': 'fred', 'active': false },
- * { 'user': 'pebbles', 'active': false }
- * ];
- *
- * _.takeRightWhile(users, function(o) { return !o.active; });
- * // => objects for ['fred', 'pebbles']
- *
- * // The `_.matches` iteratee shorthand.
- * _.takeRightWhile(users, { 'user': 'pebbles', 'active': false });
- * // => objects for ['pebbles']
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.takeRightWhile(users, ['active', false]);
- * // => objects for ['fred', 'pebbles']
- *
- * // The `_.property` iteratee shorthand.
- * _.takeRightWhile(users, 'active');
- * // => []
- */
- function takeRightWhile(array, predicate) {
- return (array && array.length)
- ? baseWhile(array, getIteratee(predicate, 3), false, true)
- : [];
- }
+ return data;
+ }
- /**
- * Creates a slice of `array` with elements taken from the beginning. Elements
- * are taken until `predicate` returns falsey. The predicate is invoked with
- * three arguments: (value, index, array).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Array
- * @param {Array} array The array to query.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the slice of `array`.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'active': false },
- * { 'user': 'fred', 'active': false},
- * { 'user': 'pebbles', 'active': true }
- * ];
- *
- * _.takeWhile(users, function(o) { return !o.active; });
- * // => objects for ['barney', 'fred']
- *
- * // The `_.matches` iteratee shorthand.
- * _.takeWhile(users, { 'user': 'barney', 'active': false });
- * // => objects for ['barney']
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.takeWhile(users, ['active', false]);
- * // => objects for ['barney', 'fred']
- *
- * // The `_.property` iteratee shorthand.
- * _.takeWhile(users, 'active');
- * // => []
- */
- function takeWhile(array, predicate) {
- return (array && array.length)
- ? baseWhile(array, getIteratee(predicate, 3))
- : [];
+ function tree_remove(d) {
+ if (isNaN(x = +this._x.call(null, d)) || isNaN(y = +this._y.call(null, d))) return this; // ignore invalid points
+
+ var parent,
+ node = this._root,
+ retainer,
+ previous,
+ next,
+ x0 = this._x0,
+ y0 = this._y0,
+ x1 = this._x1,
+ y1 = this._y1,
+ x,
+ y,
+ xm,
+ ym,
+ right,
+ bottom,
+ i,
+ j;
+
+ // If the tree is empty, initialize the root as a leaf.
+ if (!node) return this;
+
+ // Find the leaf node for the point.
+ // While descending, also retain the deepest parent with a non-removed sibling.
+ if (node.length) while (true) {
+ if (right = x >= (xm = (x0 + x1) / 2)) x0 = xm; else x1 = xm;
+ if (bottom = y >= (ym = (y0 + y1) / 2)) y0 = ym; else y1 = ym;
+ if (!(parent = node, node = node[i = bottom << 1 | right])) return this;
+ if (!node.length) break;
+ if (parent[(i + 1) & 3] || parent[(i + 2) & 3] || parent[(i + 3) & 3]) retainer = parent, j = i;
}
- /**
- * Creates an array of unique values, in order, from all given arrays using
- * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @returns {Array} Returns the new array of combined values.
- * @example
- *
- * _.union([2], [1, 2]);
- * // => [2, 1]
- */
- var union = baseRest(function(arrays) {
- return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true));
- });
+ // Find the point to remove.
+ while (node.data !== d) if (!(previous = node, node = node.next)) return this;
+ if (next = node.next) delete node.next;
- /**
- * This method is like `_.union` except that it accepts `iteratee` which is
- * invoked for each element of each `arrays` to generate the criterion by
- * which uniqueness is computed. Result values are chosen from the first
- * array in which the value occurs. The iteratee is invoked with one argument:
- * (value).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {Array} Returns the new array of combined values.
- * @example
- *
- * _.unionBy([2.1], [1.2, 2.3], Math.floor);
- * // => [2.1, 1.2]
- *
- * // The `_.property` iteratee shorthand.
- * _.unionBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
- * // => [{ 'x': 1 }, { 'x': 2 }]
- */
- var unionBy = baseRest(function(arrays) {
- var iteratee = last(arrays);
- if (isArrayLikeObject(iteratee)) {
- iteratee = undefined;
- }
- return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), getIteratee(iteratee, 2));
- });
+ // If there are multiple coincident points, remove just the point.
+ if (previous) return (next ? previous.next = next : delete previous.next), this;
- /**
- * This method is like `_.union` except that it accepts `comparator` which
- * is invoked to compare elements of `arrays`. Result values are chosen from
- * the first array in which the value occurs. The comparator is invoked
- * with two arguments: (arrVal, othVal).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of combined values.
- * @example
- *
- * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
- * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
- *
- * _.unionWith(objects, others, _.isEqual);
- * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
- */
- var unionWith = baseRest(function(arrays) {
- var comparator = last(arrays);
- comparator = typeof comparator == 'function' ? comparator : undefined;
- return baseUniq(baseFlatten(arrays, 1, isArrayLikeObject, true), undefined, comparator);
- });
+ // If this is the root point, remove it.
+ if (!parent) return this._root = next, this;
- /**
- * Creates a duplicate-free version of an array, using
- * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons, in which only the first occurrence of each element
- * is kept. The order of result values is determined by the order they occur
- * in the array.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @returns {Array} Returns the new duplicate free array.
- * @example
- *
- * _.uniq([2, 1, 2]);
- * // => [2, 1]
- */
- function uniq(array) {
- return (array && array.length) ? baseUniq(array) : [];
- }
+ // Remove this leaf.
+ next ? parent[i] = next : delete parent[i];
- /**
- * This method is like `_.uniq` except that it accepts `iteratee` which is
- * invoked for each element in `array` to generate the criterion by which
- * uniqueness is computed. The order of result values is determined by the
- * order they occur in the array. The iteratee is invoked with one argument:
- * (value).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {Array} Returns the new duplicate free array.
- * @example
- *
- * _.uniqBy([2.1, 1.2, 2.3], Math.floor);
- * // => [2.1, 1.2]
- *
- * // The `_.property` iteratee shorthand.
- * _.uniqBy([{ 'x': 1 }, { 'x': 2 }, { 'x': 1 }], 'x');
- * // => [{ 'x': 1 }, { 'x': 2 }]
- */
- function uniqBy(array, iteratee) {
- return (array && array.length) ? baseUniq(array, getIteratee(iteratee, 2)) : [];
+ // If the parent now contains exactly one leaf, collapse superfluous parents.
+ if ((node = parent[0] || parent[1] || parent[2] || parent[3])
+ && node === (parent[3] || parent[2] || parent[1] || parent[0])
+ && !node.length) {
+ if (retainer) retainer[j] = node;
+ else this._root = node;
}
- /**
- * This method is like `_.uniq` except that it accepts `comparator` which
- * is invoked to compare elements of `array`. The order of result values is
- * determined by the order they occur in the array.The comparator is invoked
- * with two arguments: (arrVal, othVal).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new duplicate free array.
- * @example
- *
- * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }, { 'x': 1, 'y': 2 }];
- *
- * _.uniqWith(objects, _.isEqual);
- * // => [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }]
- */
- function uniqWith(array, comparator) {
- comparator = typeof comparator == 'function' ? comparator : undefined;
- return (array && array.length) ? baseUniq(array, undefined, comparator) : [];
- }
+ return this;
+ }
- /**
- * This method is like `_.zip` except that it accepts an array of grouped
- * elements and creates an array regrouping the elements to their pre-zip
- * configuration.
- *
- * @static
- * @memberOf _
- * @since 1.2.0
- * @category Array
- * @param {Array} array The array of grouped elements to process.
- * @returns {Array} Returns the new array of regrouped elements.
- * @example
- *
- * var zipped = _.zip(['a', 'b'], [1, 2], [true, false]);
- * // => [['a', 1, true], ['b', 2, false]]
- *
- * _.unzip(zipped);
- * // => [['a', 'b'], [1, 2], [true, false]]
- */
- function unzip(array) {
- if (!(array && array.length)) {
- return [];
+ function removeAll(data) {
+ for (var i = 0, n = data.length; i < n; ++i) this.remove(data[i]);
+ return this;
+ }
+
+ function tree_root() {
+ return this._root;
+ }
+
+ function tree_size() {
+ var size = 0;
+ this.visit(function(node) {
+ if (!node.length) do ++size; while (node = node.next)
+ });
+ return size;
+ }
+
+ function tree_visit(callback) {
+ var quads = [], q, node = this._root, child, x0, y0, x1, y1;
+ if (node) quads.push(new Quad(node, this._x0, this._y0, this._x1, this._y1));
+ while (q = quads.pop()) {
+ if (!callback(node = q.node, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1) && node.length) {
+ var xm = (x0 + x1) / 2, ym = (y0 + y1) / 2;
+ if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1));
+ if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1));
+ if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym));
+ if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym));
}
- var length = 0;
- array = arrayFilter(array, function(group) {
- if (isArrayLikeObject(group)) {
- length = nativeMax(group.length, length);
- return true;
- }
- });
- return baseTimes(length, function(index) {
- return arrayMap(array, baseProperty(index));
- });
}
+ return this;
+ }
- /**
- * This method is like `_.unzip` except that it accepts `iteratee` to specify
- * how regrouped values should be combined. The iteratee is invoked with the
- * elements of each group: (...group).
- *
- * @static
- * @memberOf _
- * @since 3.8.0
- * @category Array
- * @param {Array} array The array of grouped elements to process.
- * @param {Function} [iteratee=_.identity] The function to combine
- * regrouped values.
- * @returns {Array} Returns the new array of regrouped elements.
- * @example
- *
- * var zipped = _.zip([1, 2], [10, 20], [100, 200]);
- * // => [[1, 10, 100], [2, 20, 200]]
- *
- * _.unzipWith(zipped, _.add);
- * // => [3, 30, 300]
- */
- function unzipWith(array, iteratee) {
- if (!(array && array.length)) {
- return [];
- }
- var result = unzip(array);
- if (iteratee == null) {
- return result;
+ function tree_visitAfter(callback) {
+ var quads = [], next = [], q;
+ if (this._root) quads.push(new Quad(this._root, this._x0, this._y0, this._x1, this._y1));
+ while (q = quads.pop()) {
+ var node = q.node;
+ if (node.length) {
+ var child, x0 = q.x0, y0 = q.y0, x1 = q.x1, y1 = q.y1, xm = (x0 + x1) / 2, ym = (y0 + y1) / 2;
+ if (child = node[0]) quads.push(new Quad(child, x0, y0, xm, ym));
+ if (child = node[1]) quads.push(new Quad(child, xm, y0, x1, ym));
+ if (child = node[2]) quads.push(new Quad(child, x0, ym, xm, y1));
+ if (child = node[3]) quads.push(new Quad(child, xm, ym, x1, y1));
}
- return arrayMap(result, function(group) {
- return apply(iteratee, undefined, group);
- });
+ next.push(q);
}
+ while (q = next.pop()) {
+ callback(q.node, q.x0, q.y0, q.x1, q.y1);
+ }
+ return this;
+ }
- /**
- * Creates an array excluding all given values using
- * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * for equality comparisons.
- *
- * **Note:** Unlike `_.pull`, this method returns a new array.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {Array} array The array to inspect.
- * @param {...*} [values] The values to exclude.
- * @returns {Array} Returns the new array of filtered values.
- * @see _.difference, _.xor
- * @example
- *
- * _.without([2, 1, 2, 3], 1, 2);
- * // => [3]
- */
- var without = baseRest(function(array, values) {
- return isArrayLikeObject(array)
- ? baseDifference(array, values)
- : [];
- });
+ function defaultX(d) {
+ return d[0];
+ }
- /**
- * Creates an array of unique values that is the
- * [symmetric difference](https://en.wikipedia.org/wiki/Symmetric_difference)
- * of the given arrays. The order of result values is determined by the order
- * they occur in the arrays.
- *
- * @static
- * @memberOf _
- * @since 2.4.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @returns {Array} Returns the new array of filtered values.
- * @see _.difference, _.without
- * @example
- *
- * _.xor([2, 1], [2, 3]);
- * // => [1, 3]
- */
- var xor = baseRest(function(arrays) {
- return baseXor(arrayFilter(arrays, isArrayLikeObject));
- });
-
- /**
- * This method is like `_.xor` except that it accepts `iteratee` which is
- * invoked for each element of each `arrays` to generate the criterion by
- * which by which they're compared. The order of result values is determined
- * by the order they occur in the arrays. The iteratee is invoked with one
- * argument: (value).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {Array} Returns the new array of filtered values.
- * @example
- *
- * _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
- * // => [1.2, 3.4]
- *
- * // The `_.property` iteratee shorthand.
- * _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
- * // => [{ 'x': 2 }]
- */
- var xorBy = baseRest(function(arrays) {
- var iteratee = last(arrays);
- if (isArrayLikeObject(iteratee)) {
- iteratee = undefined;
- }
- return baseXor(arrayFilter(arrays, isArrayLikeObject), getIteratee(iteratee, 2));
- });
+ function tree_x(_) {
+ return arguments.length ? (this._x = _, this) : this._x;
+ }
- /**
- * This method is like `_.xor` except that it accepts `comparator` which is
- * invoked to compare elements of `arrays`. The order of result values is
- * determined by the order they occur in the arrays. The comparator is invoked
- * with two arguments: (arrVal, othVal).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Array
- * @param {...Array} [arrays] The arrays to inspect.
- * @param {Function} [comparator] The comparator invoked per element.
- * @returns {Array} Returns the new array of filtered values.
- * @example
- *
- * var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
- * var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
- *
- * _.xorWith(objects, others, _.isEqual);
- * // => [{ 'x': 2, 'y': 1 }, { 'x': 1, 'y': 1 }]
- */
- var xorWith = baseRest(function(arrays) {
- var comparator = last(arrays);
- comparator = typeof comparator == 'function' ? comparator : undefined;
- return baseXor(arrayFilter(arrays, isArrayLikeObject), undefined, comparator);
- });
+ function defaultY(d) {
+ return d[1];
+ }
- /**
- * Creates an array of grouped elements, the first of which contains the
- * first elements of the given arrays, the second of which contains the
- * second elements of the given arrays, and so on.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Array
- * @param {...Array} [arrays] The arrays to process.
- * @returns {Array} Returns the new array of grouped elements.
- * @example
- *
- * _.zip(['a', 'b'], [1, 2], [true, false]);
- * // => [['a', 1, true], ['b', 2, false]]
- */
- var zip = baseRest(unzip);
+ function tree_y(_) {
+ return arguments.length ? (this._y = _, this) : this._y;
+ }
- /**
- * This method is like `_.fromPairs` except that it accepts two arrays,
- * one of property identifiers and one of corresponding values.
- *
- * @static
- * @memberOf _
- * @since 0.4.0
- * @category Array
- * @param {Array} [props=[]] The property identifiers.
- * @param {Array} [values=[]] The property values.
- * @returns {Object} Returns the new object.
- * @example
- *
- * _.zipObject(['a', 'b'], [1, 2]);
- * // => { 'a': 1, 'b': 2 }
- */
- function zipObject(props, values) {
- return baseZipObject(props || [], values || [], assignValue);
- }
+ function quadtree(nodes, x, y) {
+ var tree = new Quadtree(x == null ? defaultX : x, y == null ? defaultY : y, NaN, NaN, NaN, NaN);
+ return nodes == null ? tree : tree.addAll(nodes);
+ }
- /**
- * This method is like `_.zipObject` except that it supports property paths.
- *
- * @static
- * @memberOf _
- * @since 4.1.0
- * @category Array
- * @param {Array} [props=[]] The property identifiers.
- * @param {Array} [values=[]] The property values.
- * @returns {Object} Returns the new object.
- * @example
- *
- * _.zipObjectDeep(['a.b[0].c', 'a.b[1].d'], [1, 2]);
- * // => { 'a': { 'b': [{ 'c': 1 }, { 'd': 2 }] } }
- */
- function zipObjectDeep(props, values) {
- return baseZipObject(props || [], values || [], baseSet);
- }
+ function Quadtree(x, y, x0, y0, x1, y1) {
+ this._x = x;
+ this._y = y;
+ this._x0 = x0;
+ this._y0 = y0;
+ this._x1 = x1;
+ this._y1 = y1;
+ this._root = undefined;
+ }
- /**
- * This method is like `_.zip` except that it accepts `iteratee` to specify
- * how grouped values should be combined. The iteratee is invoked with the
- * elements of each group: (...group).
- *
- * @static
- * @memberOf _
- * @since 3.8.0
- * @category Array
- * @param {...Array} [arrays] The arrays to process.
- * @param {Function} [iteratee=_.identity] The function to combine
- * grouped values.
- * @returns {Array} Returns the new array of grouped elements.
- * @example
- *
- * _.zipWith([1, 2], [10, 20], [100, 200], function(a, b, c) {
- * return a + b + c;
- * });
- * // => [111, 222]
- */
- var zipWith = baseRest(function(arrays) {
- var length = arrays.length,
- iteratee = length > 1 ? arrays[length - 1] : undefined;
+ function leaf_copy(leaf) {
+ var copy = {data: leaf.data}, next = copy;
+ while (leaf = leaf.next) next = next.next = {data: leaf.data};
+ return copy;
+ }
- iteratee = typeof iteratee == 'function' ? (arrays.pop(), iteratee) : undefined;
- return unzipWith(arrays, iteratee);
- });
+ var treeProto = quadtree.prototype = Quadtree.prototype;
- /*------------------------------------------------------------------------*/
+ treeProto.copy = function() {
+ var copy = new Quadtree(this._x, this._y, this._x0, this._y0, this._x1, this._y1),
+ node = this._root,
+ nodes,
+ child;
- /**
- * Creates a `lodash` wrapper instance that wraps `value` with explicit method
- * chain sequences enabled. The result of such sequences must be unwrapped
- * with `_#value`.
- *
- * @static
- * @memberOf _
- * @since 1.3.0
- * @category Seq
- * @param {*} value The value to wrap.
- * @returns {Object} Returns the new `lodash` wrapper instance.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'age': 36 },
- * { 'user': 'fred', 'age': 40 },
- * { 'user': 'pebbles', 'age': 1 }
- * ];
- *
- * var youngest = _
- * .chain(users)
- * .sortBy('age')
- * .map(function(o) {
- * return o.user + ' is ' + o.age;
- * })
- * .head()
- * .value();
- * // => 'pebbles is 1'
- */
- function chain(value) {
- var result = lodash(value);
- result.__chain__ = true;
- return result;
- }
+ if (!node) return copy;
- /**
- * This method invokes `interceptor` and returns `value`. The interceptor
- * is invoked with one argument; (value). The purpose of this method is to
- * "tap into" a method chain sequence in order to modify intermediate results.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Seq
- * @param {*} value The value to provide to `interceptor`.
- * @param {Function} interceptor The function to invoke.
- * @returns {*} Returns `value`.
- * @example
- *
- * _([1, 2, 3])
- * .tap(function(array) {
- * // Mutate input array.
- * array.pop();
- * })
- * .reverse()
- * .value();
- * // => [2, 1]
- */
- function tap(value, interceptor) {
- interceptor(value);
- return value;
- }
+ if (!node.length) return copy._root = leaf_copy(node), copy;
- /**
- * This method is like `_.tap` except that it returns the result of `interceptor`.
- * The purpose of this method is to "pass thru" values replacing intermediate
- * results in a method chain sequence.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Seq
- * @param {*} value The value to provide to `interceptor`.
- * @param {Function} interceptor The function to invoke.
- * @returns {*} Returns the result of `interceptor`.
- * @example
- *
- * _(' abc ')
- * .chain()
- * .trim()
- * .thru(function(value) {
- * return [value];
- * })
- * .value();
- * // => ['abc']
- */
- function thru(value, interceptor) {
- return interceptor(value);
+ nodes = [{source: node, target: copy._root = new Array(4)}];
+ while (node = nodes.pop()) {
+ for (var i = 0; i < 4; ++i) {
+ if (child = node.source[i]) {
+ if (child.length) nodes.push({source: child, target: node.target[i] = new Array(4)});
+ else node.target[i] = leaf_copy(child);
+ }
+ }
}
- /**
- * This method is the wrapper version of `_.at`.
- *
- * @name at
- * @memberOf _
- * @since 1.0.0
- * @category Seq
- * @param {...(string|string[])} [paths] The property paths to pick.
- * @returns {Object} Returns the new `lodash` wrapper instance.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
- *
- * _(object).at(['a[0].b.c', 'a[1]']).value();
- * // => [3, 4]
- */
- var wrapperAt = flatRest(function(paths) {
- var length = paths.length,
- start = length ? paths[0] : 0,
- value = this.__wrapped__,
- interceptor = function(object) { return baseAt(object, paths); };
-
- if (length > 1 || this.__actions__.length ||
- !(value instanceof LazyWrapper) || !isIndex(start)) {
- return this.thru(interceptor);
- }
- value = value.slice(start, +start + (length ? 1 : 0));
- value.__actions__.push({
- 'func': thru,
- 'args': [interceptor],
- 'thisArg': undefined
- });
- return new LodashWrapper(value, this.__chain__).thru(function(array) {
- if (length && !array.length) {
- array.push(undefined);
- }
- return array;
- });
- });
+ return copy;
+ };
- /**
- * Creates a `lodash` wrapper instance with explicit method chain sequences enabled.
- *
- * @name chain
- * @memberOf _
- * @since 0.1.0
- * @category Seq
- * @returns {Object} Returns the new `lodash` wrapper instance.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'age': 36 },
- * { 'user': 'fred', 'age': 40 }
- * ];
- *
- * // A sequence without explicit chaining.
- * _(users).head();
- * // => { 'user': 'barney', 'age': 36 }
- *
- * // A sequence with explicit chaining.
- * _(users)
- * .chain()
- * .head()
- * .pick('user')
- * .value();
- * // => { 'user': 'barney' }
- */
- function wrapperChain() {
- return chain(this);
- }
+ treeProto.add = tree_add;
+ treeProto.addAll = addAll;
+ treeProto.cover = tree_cover;
+ treeProto.data = tree_data;
+ treeProto.extent = tree_extent;
+ treeProto.find = tree_find;
+ treeProto.remove = tree_remove;
+ treeProto.removeAll = removeAll;
+ treeProto.root = tree_root;
+ treeProto.size = tree_size;
+ treeProto.visit = tree_visit;
+ treeProto.visitAfter = tree_visitAfter;
+ treeProto.x = tree_x;
+ treeProto.y = tree_y;
- /**
- * Executes the chain sequence and returns the wrapped result.
- *
- * @name commit
- * @memberOf _
- * @since 3.2.0
- * @category Seq
- * @returns {Object} Returns the new `lodash` wrapper instance.
- * @example
- *
- * var array = [1, 2];
- * var wrapped = _(array).push(3);
- *
- * console.log(array);
- * // => [1, 2]
- *
- * wrapped = wrapped.commit();
- * console.log(array);
- * // => [1, 2, 3]
- *
- * wrapped.last();
- * // => 3
- *
- * console.log(array);
- * // => [1, 2, 3]
- */
- function wrapperCommit() {
- return new LodashWrapper(this.value(), this.__chain__);
- }
+ function x(d) {
+ return d.x + d.vx;
+ }
- /**
- * Gets the next value on a wrapped object following the
- * [iterator protocol](https://mdn.io/iteration_protocols#iterator).
- *
- * @name next
- * @memberOf _
- * @since 4.0.0
- * @category Seq
- * @returns {Object} Returns the next iterator value.
- * @example
- *
- * var wrapped = _([1, 2]);
- *
- * wrapped.next();
- * // => { 'done': false, 'value': 1 }
- *
- * wrapped.next();
- * // => { 'done': false, 'value': 2 }
- *
- * wrapped.next();
- * // => { 'done': true, 'value': undefined }
- */
- function wrapperNext() {
- if (this.__values__ === undefined) {
- this.__values__ = toArray(this.value());
- }
- var done = this.__index__ >= this.__values__.length,
- value = done ? undefined : this.__values__[this.__index__++];
+ function y(d) {
+ return d.y + d.vy;
+ }
- return { 'done': done, 'value': value };
- }
+ function collide(radius) {
+ var nodes,
+ radii,
+ strength = 1,
+ iterations = 1;
- /**
- * Enables the wrapper to be iterable.
- *
- * @name Symbol.iterator
- * @memberOf _
- * @since 4.0.0
- * @category Seq
- * @returns {Object} Returns the wrapper object.
- * @example
- *
- * var wrapped = _([1, 2]);
- *
- * wrapped[Symbol.iterator]() === wrapped;
- * // => true
- *
- * Array.from(wrapped);
- * // => [1, 2]
- */
- function wrapperToIterator() {
- return this;
- }
+ if (typeof radius !== "function") radius = constant$6(radius == null ? 1 : +radius);
- /**
- * Creates a clone of the chain sequence planting `value` as the wrapped value.
- *
- * @name plant
- * @memberOf _
- * @since 3.2.0
- * @category Seq
- * @param {*} value The value to plant.
- * @returns {Object} Returns the new `lodash` wrapper instance.
- * @example
- *
- * function square(n) {
- * return n * n;
- * }
- *
- * var wrapped = _([1, 2]).map(square);
- * var other = wrapped.plant([3, 4]);
- *
- * other.value();
- * // => [9, 16]
- *
- * wrapped.value();
- * // => [1, 4]
- */
- function wrapperPlant(value) {
- var result,
- parent = this;
-
- while (parent instanceof baseLodash) {
- var clone = wrapperClone(parent);
- clone.__index__ = 0;
- clone.__values__ = undefined;
- if (result) {
- previous.__wrapped__ = clone;
- } else {
- result = clone;
+ function force() {
+ var i, n = nodes.length,
+ tree,
+ node,
+ xi,
+ yi,
+ ri,
+ ri2;
+
+ for (var k = 0; k < iterations; ++k) {
+ tree = quadtree(nodes, x, y).visitAfter(prepare);
+ for (i = 0; i < n; ++i) {
+ node = nodes[i];
+ ri = radii[node.index], ri2 = ri * ri;
+ xi = node.x + node.vx;
+ yi = node.y + node.vy;
+ tree.visit(apply);
+ }
+ }
+
+ function apply(quad, x0, y0, x1, y1) {
+ var data = quad.data, rj = quad.r, r = ri + rj;
+ if (data) {
+ if (data.index > node.index) {
+ var x = xi - data.x - data.vx,
+ y = yi - data.y - data.vy,
+ l = x * x + y * y;
+ if (l < r * r) {
+ if (x === 0) x = jiggle(), l += x * x;
+ if (y === 0) y = jiggle(), l += y * y;
+ l = (r - (l = Math.sqrt(l))) / l * strength;
+ node.vx += (x *= l) * (r = (rj *= rj) / (ri2 + rj));
+ node.vy += (y *= l) * r;
+ data.vx -= x * (r = 1 - r);
+ data.vy -= y * r;
+ }
+ }
+ return;
}
- var previous = clone;
- parent = parent.__wrapped__;
+ return x0 > xi + r || x1 < xi - r || y0 > yi + r || y1 < yi - r;
}
- previous.__wrapped__ = value;
- return result;
}
- /**
- * This method is the wrapper version of `_.reverse`.
- *
- * **Note:** This method mutates the wrapped array.
- *
- * @name reverse
- * @memberOf _
- * @since 0.1.0
- * @category Seq
- * @returns {Object} Returns the new `lodash` wrapper instance.
- * @example
- *
- * var array = [1, 2, 3];
- *
- * _(array).reverse().value()
- * // => [3, 2, 1]
- *
- * console.log(array);
- * // => [3, 2, 1]
- */
- function wrapperReverse() {
- var value = this.__wrapped__;
- if (value instanceof LazyWrapper) {
- var wrapped = value;
- if (this.__actions__.length) {
- wrapped = new LazyWrapper(this);
+ function prepare(quad) {
+ if (quad.data) return quad.r = radii[quad.data.index];
+ for (var i = quad.r = 0; i < 4; ++i) {
+ if (quad[i] && quad[i].r > quad.r) {
+ quad.r = quad[i].r;
}
- wrapped = wrapped.reverse();
- wrapped.__actions__.push({
- 'func': thru,
- 'args': [reverse],
- 'thisArg': undefined
- });
- return new LodashWrapper(wrapped, this.__chain__);
}
- return this.thru(reverse);
}
- /**
- * Executes the chain sequence to resolve the unwrapped value.
- *
- * @name value
- * @memberOf _
- * @since 0.1.0
- * @alias toJSON, valueOf
- * @category Seq
- * @returns {*} Returns the resolved unwrapped value.
- * @example
- *
- * _([1, 2, 3]).value();
- * // => [1, 2, 3]
- */
- function wrapperValue() {
- return baseWrapperValue(this.__wrapped__, this.__actions__);
+ function initialize() {
+ if (!nodes) return;
+ var i, n = nodes.length, node;
+ radii = new Array(n);
+ for (i = 0; i < n; ++i) node = nodes[i], radii[node.index] = +radius(node, i, nodes);
}
- /*------------------------------------------------------------------------*/
+ force.initialize = function(_) {
+ nodes = _;
+ initialize();
+ };
- /**
- * Creates an object composed of keys generated from the results of running
- * each element of `collection` thru `iteratee`. The corresponding value of
- * each key is the number of times the key was returned by `iteratee`. The
- * iteratee is invoked with one argument: (value).
- *
- * @static
- * @memberOf _
- * @since 0.5.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
- * @returns {Object} Returns the composed aggregate object.
- * @example
- *
- * _.countBy([6.1, 4.2, 6.3], Math.floor);
- * // => { '4': 1, '6': 2 }
- *
- * // The `_.property` iteratee shorthand.
- * _.countBy(['one', 'two', 'three'], 'length');
- * // => { '3': 2, '5': 1 }
- */
- var countBy = createAggregator(function(result, value, key) {
- if (hasOwnProperty.call(result, key)) {
- ++result[key];
- } else {
- baseAssignValue(result, key, 1);
- }
- });
+ force.iterations = function(_) {
+ return arguments.length ? (iterations = +_, force) : iterations;
+ };
- /**
- * Checks if `predicate` returns truthy for **all** elements of `collection`.
- * Iteration is stopped once `predicate` returns falsey. The predicate is
- * invoked with three arguments: (value, index|key, collection).
- *
- * **Note:** This method returns `true` for
- * [empty collections](https://en.wikipedia.org/wiki/Empty_set) because
- * [everything is true](https://en.wikipedia.org/wiki/Vacuous_truth) of
- * elements of empty collections.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {boolean} Returns `true` if all elements pass the predicate check,
- * else `false`.
- * @example
- *
- * _.every([true, 1, null, 'yes'], Boolean);
- * // => false
- *
- * var users = [
- * { 'user': 'barney', 'age': 36, 'active': false },
- * { 'user': 'fred', 'age': 40, 'active': false }
- * ];
- *
- * // The `_.matches` iteratee shorthand.
- * _.every(users, { 'user': 'barney', 'active': false });
- * // => false
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.every(users, ['active', false]);
- * // => true
- *
- * // The `_.property` iteratee shorthand.
- * _.every(users, 'active');
- * // => false
- */
- function every(collection, predicate, guard) {
- var func = isArray(collection) ? arrayEvery : baseEvery;
- if (guard && isIterateeCall(collection, predicate, guard)) {
- predicate = undefined;
- }
- return func(collection, getIteratee(predicate, 3));
- }
+ force.strength = function(_) {
+ return arguments.length ? (strength = +_, force) : strength;
+ };
- /**
- * Iterates over elements of `collection`, returning an array of all elements
- * `predicate` returns truthy for. The predicate is invoked with three
- * arguments: (value, index|key, collection).
- *
- * **Note:** Unlike `_.remove`, this method returns a new array.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the new filtered array.
- * @see _.reject
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'age': 36, 'active': true },
- * { 'user': 'fred', 'age': 40, 'active': false }
- * ];
- *
- * _.filter(users, function(o) { return !o.active; });
- * // => objects for ['fred']
- *
- * // The `_.matches` iteratee shorthand.
- * _.filter(users, { 'age': 36, 'active': true });
- * // => objects for ['barney']
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.filter(users, ['active', false]);
- * // => objects for ['fred']
- *
- * // The `_.property` iteratee shorthand.
- * _.filter(users, 'active');
- * // => objects for ['barney']
- */
- function filter(collection, predicate) {
- var func = isArray(collection) ? arrayFilter : baseFilter;
- return func(collection, getIteratee(predicate, 3));
- }
+ force.radius = function(_) {
+ return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius;
+ };
- /**
- * Iterates over elements of `collection`, returning the first element
- * `predicate` returns truthy for. The predicate is invoked with three
- * arguments: (value, index|key, collection).
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to inspect.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @param {number} [fromIndex=0] The index to search from.
- * @returns {*} Returns the matched element, else `undefined`.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'age': 36, 'active': true },
- * { 'user': 'fred', 'age': 40, 'active': false },
- * { 'user': 'pebbles', 'age': 1, 'active': true }
- * ];
- *
- * _.find(users, function(o) { return o.age < 40; });
- * // => object for 'barney'
- *
- * // The `_.matches` iteratee shorthand.
- * _.find(users, { 'age': 1, 'active': true });
- * // => object for 'pebbles'
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.find(users, ['active', false]);
- * // => object for 'fred'
- *
- * // The `_.property` iteratee shorthand.
- * _.find(users, 'active');
- * // => object for 'barney'
- */
- var find = createFind(findIndex);
+ return force;
+ }
- /**
- * This method is like `_.find` except that it iterates over elements of
- * `collection` from right to left.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Collection
- * @param {Array|Object} collection The collection to inspect.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @param {number} [fromIndex=collection.length-1] The index to search from.
- * @returns {*} Returns the matched element, else `undefined`.
- * @example
- *
- * _.findLast([1, 2, 3, 4], function(n) {
- * return n % 2 == 1;
- * });
- * // => 3
- */
- var findLast = createFind(findLastIndex);
+ function index(d) {
+ return d.index;
+ }
- /**
- * Creates a flattened array of values by running each element in `collection`
- * thru `iteratee` and flattening the mapped results. The iteratee is invoked
- * with three arguments: (value, index|key, collection).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the new flattened array.
- * @example
- *
- * function duplicate(n) {
- * return [n, n];
- * }
- *
- * _.flatMap([1, 2], duplicate);
- * // => [1, 1, 2, 2]
- */
- function flatMap(collection, iteratee) {
- return baseFlatten(map(collection, iteratee), 1);
- }
+ function find(nodeById, nodeId) {
+ var node = nodeById.get(nodeId);
+ if (!node) throw new Error("missing: " + nodeId);
+ return node;
+ }
- /**
- * This method is like `_.flatMap` except that it recursively flattens the
- * mapped results.
- *
- * @static
- * @memberOf _
- * @since 4.7.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the new flattened array.
- * @example
- *
- * function duplicate(n) {
- * return [[[n, n]]];
- * }
- *
- * _.flatMapDeep([1, 2], duplicate);
- * // => [1, 1, 2, 2]
- */
- function flatMapDeep(collection, iteratee) {
- return baseFlatten(map(collection, iteratee), INFINITY);
- }
+ function link(links) {
+ var id = index,
+ strength = defaultStrength,
+ strengths,
+ distance = constant$6(30),
+ distances,
+ nodes,
+ count,
+ bias,
+ iterations = 1;
- /**
- * This method is like `_.flatMap` except that it recursively flattens the
- * mapped results up to `depth` times.
- *
- * @static
- * @memberOf _
- * @since 4.7.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @param {number} [depth=1] The maximum recursion depth.
- * @returns {Array} Returns the new flattened array.
- * @example
- *
- * function duplicate(n) {
- * return [[[n, n]]];
- * }
- *
- * _.flatMapDepth([1, 2], duplicate, 2);
- * // => [[1, 1], [2, 2]]
- */
- function flatMapDepth(collection, iteratee, depth) {
- depth = depth === undefined ? 1 : toInteger(depth);
- return baseFlatten(map(collection, iteratee), depth);
+ if (links == null) links = [];
+
+ function defaultStrength(link) {
+ return 1 / Math.min(count[link.source.index], count[link.target.index]);
}
- /**
- * Iterates over elements of `collection` and invokes `iteratee` for each element.
- * The iteratee is invoked with three arguments: (value, index|key, collection).
- * Iteratee functions may exit iteration early by explicitly returning `false`.
- *
- * **Note:** As with other "Collections" methods, objects with a "length"
- * property are iterated like arrays. To avoid this behavior use `_.forIn`
- * or `_.forOwn` for object iteration.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @alias each
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- * @see _.forEachRight
- * @example
- *
- * _.forEach([1, 2], function(value) {
- * console.log(value);
- * });
- * // => Logs `1` then `2`.
- *
- * _.forEach({ 'a': 1, 'b': 2 }, function(value, key) {
- * console.log(key);
- * });
- * // => Logs 'a' then 'b' (iteration order is not guaranteed).
- */
- function forEach(collection, iteratee) {
- var func = isArray(collection) ? arrayEach : baseEach;
- return func(collection, getIteratee(iteratee, 3));
+ function force(alpha) {
+ for (var k = 0, n = links.length; k < iterations; ++k) {
+ for (var i = 0, link, source, target, x, y, l, b; i < n; ++i) {
+ link = links[i], source = link.source, target = link.target;
+ x = target.x + target.vx - source.x - source.vx || jiggle();
+ y = target.y + target.vy - source.y - source.vy || jiggle();
+ l = Math.sqrt(x * x + y * y);
+ l = (l - distances[i]) / l * alpha * strengths[i];
+ x *= l, y *= l;
+ target.vx -= x * (b = bias[i]);
+ target.vy -= y * b;
+ source.vx += x * (b = 1 - b);
+ source.vy += y * b;
+ }
+ }
}
- /**
- * This method is like `_.forEach` except that it iterates over elements of
- * `collection` from right to left.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @alias eachRight
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Array|Object} Returns `collection`.
- * @see _.forEach
- * @example
- *
- * _.forEachRight([1, 2], function(value) {
- * console.log(value);
- * });
- * // => Logs `2` then `1`.
- */
- function forEachRight(collection, iteratee) {
- var func = isArray(collection) ? arrayEachRight : baseEachRight;
- return func(collection, getIteratee(iteratee, 3));
+ function initialize() {
+ if (!nodes) return;
+
+ var i,
+ n = nodes.length,
+ m = links.length,
+ nodeById = map$1(nodes, id),
+ link;
+
+ for (i = 0, count = new Array(n); i < m; ++i) {
+ link = links[i], link.index = i;
+ if (typeof link.source !== "object") link.source = find(nodeById, link.source);
+ if (typeof link.target !== "object") link.target = find(nodeById, link.target);
+ count[link.source.index] = (count[link.source.index] || 0) + 1;
+ count[link.target.index] = (count[link.target.index] || 0) + 1;
+ }
+
+ for (i = 0, bias = new Array(m); i < m; ++i) {
+ link = links[i], bias[i] = count[link.source.index] / (count[link.source.index] + count[link.target.index]);
+ }
+
+ strengths = new Array(m), initializeStrength();
+ distances = new Array(m), initializeDistance();
}
- /**
- * Creates an object composed of keys generated from the results of running
- * each element of `collection` thru `iteratee`. The order of grouped values
- * is determined by the order they occur in `collection`. The corresponding
- * value of each key is an array of elements responsible for generating the
- * key. The iteratee is invoked with one argument: (value).
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
- * @returns {Object} Returns the composed aggregate object.
- * @example
- *
- * _.groupBy([6.1, 4.2, 6.3], Math.floor);
- * // => { '4': [4.2], '6': [6.1, 6.3] }
- *
- * // The `_.property` iteratee shorthand.
- * _.groupBy(['one', 'two', 'three'], 'length');
- * // => { '3': ['one', 'two'], '5': ['three'] }
- */
- var groupBy = createAggregator(function(result, value, key) {
- if (hasOwnProperty.call(result, key)) {
- result[key].push(value);
- } else {
- baseAssignValue(result, key, [value]);
+ function initializeStrength() {
+ if (!nodes) return;
+
+ for (var i = 0, n = links.length; i < n; ++i) {
+ strengths[i] = +strength(links[i], i, links);
}
- });
+ }
- /**
- * Checks if `value` is in `collection`. If `collection` is a string, it's
- * checked for a substring of `value`, otherwise
- * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * is used for equality comparisons. If `fromIndex` is negative, it's used as
- * the offset from the end of `collection`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object|string} collection The collection to inspect.
- * @param {*} value The value to search for.
- * @param {number} [fromIndex=0] The index to search from.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
- * @returns {boolean} Returns `true` if `value` is found, else `false`.
- * @example
- *
- * _.includes([1, 2, 3], 1);
- * // => true
- *
- * _.includes([1, 2, 3], 1, 2);
- * // => false
- *
- * _.includes({ 'a': 1, 'b': 2 }, 1);
- * // => true
- *
- * _.includes('abcd', 'bc');
- * // => true
- */
- function includes(collection, value, fromIndex, guard) {
- collection = isArrayLike(collection) ? collection : values(collection);
- fromIndex = (fromIndex && !guard) ? toInteger(fromIndex) : 0;
+ function initializeDistance() {
+ if (!nodes) return;
- var length = collection.length;
- if (fromIndex < 0) {
- fromIndex = nativeMax(length + fromIndex, 0);
+ for (var i = 0, n = links.length; i < n; ++i) {
+ distances[i] = +distance(links[i], i, links);
}
- return isString(collection)
- ? (fromIndex <= length && collection.indexOf(value, fromIndex) > -1)
- : (!!length && baseIndexOf(collection, value, fromIndex) > -1);
}
- /**
- * Invokes the method at `path` of each element in `collection`, returning
- * an array of the results of each invoked method. Any additional arguments
- * are provided to each invoked method. If `path` is a function, it's invoked
- * for, and `this` bound to, each element in `collection`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Array|Function|string} path The path of the method to invoke or
- * the function invoked per iteration.
- * @param {...*} [args] The arguments to invoke each method with.
- * @returns {Array} Returns the array of results.
- * @example
- *
- * _.invokeMap([[5, 1, 7], [3, 2, 1]], 'sort');
- * // => [[1, 5, 7], [1, 2, 3]]
- *
- * _.invokeMap([123, 456], String.prototype.split, '');
- * // => [['1', '2', '3'], ['4', '5', '6']]
- */
- var invokeMap = baseRest(function(collection, path, args) {
- var index = -1,
- isFunc = typeof path == 'function',
- result = isArrayLike(collection) ? Array(collection.length) : [];
+ force.initialize = function(_) {
+ nodes = _;
+ initialize();
+ };
- baseEach(collection, function(value) {
- result[++index] = isFunc ? apply(path, value, args) : baseInvoke(value, path, args);
- });
- return result;
- });
+ force.links = function(_) {
+ return arguments.length ? (links = _, initialize(), force) : links;
+ };
- /**
- * Creates an object composed of keys generated from the results of running
- * each element of `collection` thru `iteratee`. The corresponding value of
- * each key is the last element responsible for generating the key. The
- * iteratee is invoked with one argument: (value).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The iteratee to transform keys.
- * @returns {Object} Returns the composed aggregate object.
- * @example
- *
- * var array = [
- * { 'dir': 'left', 'code': 97 },
- * { 'dir': 'right', 'code': 100 }
- * ];
- *
- * _.keyBy(array, function(o) {
- * return String.fromCharCode(o.code);
- * });
- * // => { 'a': { 'dir': 'left', 'code': 97 }, 'd': { 'dir': 'right', 'code': 100 } }
- *
- * _.keyBy(array, 'dir');
- * // => { 'left': { 'dir': 'left', 'code': 97 }, 'right': { 'dir': 'right', 'code': 100 } }
- */
- var keyBy = createAggregator(function(result, value, key) {
- baseAssignValue(result, key, value);
- });
+ force.id = function(_) {
+ return arguments.length ? (id = _, force) : id;
+ };
- /**
- * Creates an array of values by running each element in `collection` thru
- * `iteratee`. The iteratee is invoked with three arguments:
- * (value, index|key, collection).
- *
- * Many lodash methods are guarded to work as iteratees for methods like
- * `_.every`, `_.filter`, `_.map`, `_.mapValues`, `_.reject`, and `_.some`.
- *
- * The guarded methods are:
- * `ary`, `chunk`, `curry`, `curryRight`, `drop`, `dropRight`, `every`,
- * `fill`, `invert`, `parseInt`, `random`, `range`, `rangeRight`, `repeat`,
- * `sampleSize`, `slice`, `some`, `sortBy`, `split`, `take`, `takeRight`,
- * `template`, `trim`, `trimEnd`, `trimStart`, and `words`
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the new mapped array.
- * @example
- *
- * function square(n) {
- * return n * n;
- * }
- *
- * _.map([4, 8], square);
- * // => [16, 64]
- *
- * _.map({ 'a': 4, 'b': 8 }, square);
- * // => [16, 64] (iteration order is not guaranteed)
- *
- * var users = [
- * { 'user': 'barney' },
- * { 'user': 'fred' }
- * ];
- *
- * // The `_.property` iteratee shorthand.
- * _.map(users, 'user');
- * // => ['barney', 'fred']
- */
- function map(collection, iteratee) {
- var func = isArray(collection) ? arrayMap : baseMap;
- return func(collection, getIteratee(iteratee, 3));
- }
+ force.iterations = function(_) {
+ return arguments.length ? (iterations = +_, force) : iterations;
+ };
- /**
- * This method is like `_.sortBy` except that it allows specifying the sort
- * orders of the iteratees to sort by. If `orders` is unspecified, all values
- * are sorted in ascending order. Otherwise, specify an order of "desc" for
- * descending or "asc" for ascending sort order of corresponding values.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Array[]|Function[]|Object[]|string[]} [iteratees=[_.identity]]
- * The iteratees to sort by.
- * @param {string[]} [orders] The sort orders of `iteratees`.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.reduce`.
- * @returns {Array} Returns the new sorted array.
- * @example
- *
- * var users = [
- * { 'user': 'fred', 'age': 48 },
- * { 'user': 'barney', 'age': 34 },
- * { 'user': 'fred', 'age': 40 },
- * { 'user': 'barney', 'age': 36 }
- * ];
- *
- * // Sort by `user` in ascending order and by `age` in descending order.
- * _.orderBy(users, ['user', 'age'], ['asc', 'desc']);
- * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
- */
- function orderBy(collection, iteratees, orders, guard) {
- if (collection == null) {
- return [];
- }
- if (!isArray(iteratees)) {
- iteratees = iteratees == null ? [] : [iteratees];
- }
- orders = guard ? undefined : orders;
- if (!isArray(orders)) {
- orders = orders == null ? [] : [orders];
- }
- return baseOrderBy(collection, iteratees, orders);
- }
+ force.strength = function(_) {
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initializeStrength(), force) : strength;
+ };
- /**
- * Creates an array of elements split into two groups, the first of which
- * contains elements `predicate` returns truthy for, the second of which
- * contains elements `predicate` returns falsey for. The predicate is
- * invoked with one argument: (value).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the array of grouped elements.
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'age': 36, 'active': false },
- * { 'user': 'fred', 'age': 40, 'active': true },
- * { 'user': 'pebbles', 'age': 1, 'active': false }
- * ];
- *
- * _.partition(users, function(o) { return o.active; });
- * // => objects for [['fred'], ['barney', 'pebbles']]
- *
- * // The `_.matches` iteratee shorthand.
- * _.partition(users, { 'age': 1, 'active': false });
- * // => objects for [['pebbles'], ['barney', 'fred']]
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.partition(users, ['active', false]);
- * // => objects for [['barney', 'pebbles'], ['fred']]
- *
- * // The `_.property` iteratee shorthand.
- * _.partition(users, 'active');
- * // => objects for [['fred'], ['barney', 'pebbles']]
- */
- var partition = createAggregator(function(result, value, key) {
- result[key ? 0 : 1].push(value);
- }, function() { return [[], []]; });
+ force.distance = function(_) {
+ return arguments.length ? (distance = typeof _ === "function" ? _ : constant$6(+_), initializeDistance(), force) : distance;
+ };
- /**
- * Reduces `collection` to a value which is the accumulated result of running
- * each element in `collection` thru `iteratee`, where each successive
- * invocation is supplied the return value of the previous. If `accumulator`
- * is not given, the first element of `collection` is used as the initial
- * value. The iteratee is invoked with four arguments:
- * (accumulator, value, index|key, collection).
- *
- * Many lodash methods are guarded to work as iteratees for methods like
- * `_.reduce`, `_.reduceRight`, and `_.transform`.
- *
- * The guarded methods are:
- * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,
- * and `sortBy`
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @param {*} [accumulator] The initial value.
- * @returns {*} Returns the accumulated value.
- * @see _.reduceRight
- * @example
- *
- * _.reduce([1, 2], function(sum, n) {
- * return sum + n;
- * }, 0);
- * // => 3
- *
- * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
- * (result[value] || (result[value] = [])).push(key);
- * return result;
- * }, {});
- * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)
- */
- function reduce(collection, iteratee, accumulator) {
- var func = isArray(collection) ? arrayReduce : baseReduce,
- initAccum = arguments.length < 3;
+ return force;
+ }
- return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEach);
- }
+ function x$1(d) {
+ return d.x;
+ }
- /**
- * This method is like `_.reduce` except that it iterates over elements of
- * `collection` from right to left.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @param {*} [accumulator] The initial value.
- * @returns {*} Returns the accumulated value.
- * @see _.reduce
- * @example
- *
- * var array = [[0, 1], [2, 3], [4, 5]];
- *
- * _.reduceRight(array, function(flattened, other) {
- * return flattened.concat(other);
- * }, []);
- * // => [4, 5, 2, 3, 0, 1]
- */
- function reduceRight(collection, iteratee, accumulator) {
- var func = isArray(collection) ? arrayReduceRight : baseReduce,
- initAccum = arguments.length < 3;
+ function y$1(d) {
+ return d.y;
+ }
- return func(collection, getIteratee(iteratee, 4), accumulator, initAccum, baseEachRight);
- }
+ var initialRadius = 10,
+ initialAngle = Math.PI * (3 - Math.sqrt(5));
- /**
- * The opposite of `_.filter`; this method returns the elements of `collection`
- * that `predicate` does **not** return truthy for.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {Array} Returns the new filtered array.
- * @see _.filter
- * @example
- *
- * var users = [
- * { 'user': 'barney', 'age': 36, 'active': false },
- * { 'user': 'fred', 'age': 40, 'active': true }
- * ];
- *
- * _.reject(users, function(o) { return !o.active; });
- * // => objects for ['fred']
- *
- * // The `_.matches` iteratee shorthand.
- * _.reject(users, { 'age': 40, 'active': true });
- * // => objects for ['barney']
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.reject(users, ['active', false]);
- * // => objects for ['fred']
- *
- * // The `_.property` iteratee shorthand.
- * _.reject(users, 'active');
- * // => objects for ['barney']
- */
- function reject(collection, predicate) {
- var func = isArray(collection) ? arrayFilter : baseFilter;
- return func(collection, negate(getIteratee(predicate, 3)));
- }
+ function simulation(nodes) {
+ var simulation,
+ alpha = 1,
+ alphaMin = 0.001,
+ alphaDecay = 1 - Math.pow(alphaMin, 1 / 300),
+ alphaTarget = 0,
+ velocityDecay = 0.6,
+ forces = map$1(),
+ stepper = timer(step),
+ event = dispatch("tick", "end");
- /**
- * Gets a random element from `collection`.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Collection
- * @param {Array|Object} collection The collection to sample.
- * @returns {*} Returns the random element.
- * @example
- *
- * _.sample([1, 2, 3, 4]);
- * // => 2
- */
- function sample(collection) {
- var func = isArray(collection) ? arraySample : baseSample;
- return func(collection);
- }
+ if (nodes == null) nodes = [];
- /**
- * Gets `n` random elements at unique keys from `collection` up to the
- * size of `collection`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Collection
- * @param {Array|Object} collection The collection to sample.
- * @param {number} [n=1] The number of elements to sample.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Array} Returns the random elements.
- * @example
- *
- * _.sampleSize([1, 2, 3], 2);
- * // => [3, 1]
- *
- * _.sampleSize([1, 2, 3], 4);
- * // => [2, 3, 1]
- */
- function sampleSize(collection, n, guard) {
- if ((guard ? isIterateeCall(collection, n, guard) : n === undefined)) {
- n = 1;
- } else {
- n = toInteger(n);
+ function step() {
+ tick();
+ event.call("tick", simulation);
+ if (alpha < alphaMin) {
+ stepper.stop();
+ event.call("end", simulation);
}
- var func = isArray(collection) ? arraySampleSize : baseSampleSize;
- return func(collection, n);
}
- /**
- * Creates an array of shuffled values, using a version of the
- * [Fisher-Yates shuffle](https://en.wikipedia.org/wiki/Fisher-Yates_shuffle).
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to shuffle.
- * @returns {Array} Returns the new shuffled array.
- * @example
- *
- * _.shuffle([1, 2, 3, 4]);
- * // => [4, 1, 3, 2]
- */
- function shuffle(collection) {
- var func = isArray(collection) ? arrayShuffle : baseShuffle;
- return func(collection);
- }
+ function tick() {
+ var i, n = nodes.length, node;
- /**
- * Gets the size of `collection` by returning its length for array-like
- * values or the number of own enumerable string keyed properties for objects.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object|string} collection The collection to inspect.
- * @returns {number} Returns the collection size.
- * @example
- *
- * _.size([1, 2, 3]);
- * // => 3
- *
- * _.size({ 'a': 1, 'b': 2 });
- * // => 2
- *
- * _.size('pebbles');
- * // => 7
- */
- function size(collection) {
- if (collection == null) {
- return 0;
- }
- if (isArrayLike(collection)) {
- return isString(collection) ? stringSize(collection) : collection.length;
- }
- var tag = getTag(collection);
- if (tag == mapTag || tag == setTag) {
- return collection.size;
+ alpha += (alphaTarget - alpha) * alphaDecay;
+
+ forces.each(function(force) {
+ force(alpha);
+ });
+
+ for (i = 0; i < n; ++i) {
+ node = nodes[i];
+ if (node.fx == null) node.x += node.vx *= velocityDecay;
+ else node.x = node.fx, node.vx = 0;
+ if (node.fy == null) node.y += node.vy *= velocityDecay;
+ else node.y = node.fy, node.vy = 0;
}
- return baseKeys(collection).length;
}
- /**
- * Checks if `predicate` returns truthy for **any** element of `collection`.
- * Iteration is stopped once `predicate` returns truthy. The predicate is
- * invoked with three arguments: (value, index|key, collection).
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {boolean} Returns `true` if any element passes the predicate check,
- * else `false`.
- * @example
- *
- * _.some([null, 0, 'yes', false], Boolean);
- * // => true
- *
- * var users = [
- * { 'user': 'barney', 'active': true },
- * { 'user': 'fred', 'active': false }
- * ];
- *
- * // The `_.matches` iteratee shorthand.
- * _.some(users, { 'user': 'barney', 'active': false });
- * // => false
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.some(users, ['active', false]);
- * // => true
- *
- * // The `_.property` iteratee shorthand.
- * _.some(users, 'active');
- * // => true
- */
- function some(collection, predicate, guard) {
- var func = isArray(collection) ? arraySome : baseSome;
- if (guard && isIterateeCall(collection, predicate, guard)) {
- predicate = undefined;
+ function initializeNodes() {
+ for (var i = 0, n = nodes.length, node; i < n; ++i) {
+ node = nodes[i], node.index = i;
+ if (isNaN(node.x) || isNaN(node.y)) {
+ var radius = initialRadius * Math.sqrt(i), angle = i * initialAngle;
+ node.x = radius * Math.cos(angle);
+ node.y = radius * Math.sin(angle);
+ }
+ if (isNaN(node.vx) || isNaN(node.vy)) {
+ node.vx = node.vy = 0;
+ }
}
- return func(collection, getIteratee(predicate, 3));
}
- /**
- * Creates an array of elements, sorted in ascending order by the results of
- * running each element in a collection thru each iteratee. This method
- * performs a stable sort, that is, it preserves the original sort order of
- * equal elements. The iteratees are invoked with one argument: (value).
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Collection
- * @param {Array|Object} collection The collection to iterate over.
- * @param {...(Function|Function[])} [iteratees=[_.identity]]
- * The iteratees to sort by.
- * @returns {Array} Returns the new sorted array.
- * @example
- *
- * var users = [
- * { 'user': 'fred', 'age': 48 },
- * { 'user': 'barney', 'age': 36 },
- * { 'user': 'fred', 'age': 40 },
- * { 'user': 'barney', 'age': 34 }
- * ];
- *
- * _.sortBy(users, [function(o) { return o.user; }]);
- * // => objects for [['barney', 36], ['barney', 34], ['fred', 48], ['fred', 40]]
- *
- * _.sortBy(users, ['user', 'age']);
- * // => objects for [['barney', 34], ['barney', 36], ['fred', 40], ['fred', 48]]
- */
- 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), []);
- });
+ function initializeForce(force) {
+ if (force.initialize) force.initialize(nodes);
+ return force;
+ }
- /*------------------------------------------------------------------------*/
+ initializeNodes();
- /**
- * 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 = ctxNow || function() {
- return root.Date.now();
- };
+ return simulation = {
+ tick: tick,
- /*------------------------------------------------------------------------*/
+ restart: function() {
+ return stepper.restart(step), simulation;
+ },
- /**
- * The opposite of `_.before`; this method creates a function that invokes
- * `func` once it's called `n` or more times.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {number} n The number of calls before `func` is invoked.
- * @param {Function} func The function to restrict.
- * @returns {Function} Returns the new restricted function.
- * @example
- *
- * var saves = ['profile', 'settings'];
- *
- * var done = _.after(saves.length, function() {
- * console.log('done saving!');
- * });
- *
- * _.forEach(saves, function(type) {
- * asyncSave({ 'type': type, 'complete': done });
- * });
- * // => Logs 'done saving!' after the two async saves have completed.
- */
- function after(n, func) {
- if (typeof func != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- n = toInteger(n);
- return function() {
- if (--n < 1) {
- return func.apply(this, arguments);
- }
- };
- }
+ stop: function() {
+ return stepper.stop(), simulation;
+ },
- /**
- * Creates a function that invokes `func`, with up to `n` arguments,
- * ignoring any additional arguments.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Function
- * @param {Function} func The function to cap arguments for.
- * @param {number} [n=func.length] The arity cap.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Function} Returns the new capped function.
- * @example
- *
- * _.map(['6', '8', '10'], _.ary(parseInt, 1));
- * // => [6, 8, 10]
- */
- function ary(func, n, guard) {
- n = guard ? undefined : n;
- n = (func && n == null) ? func.length : n;
- return createWrap(func, WRAP_ARY_FLAG, undefined, undefined, undefined, undefined, n);
- }
+ nodes: function(_) {
+ return arguments.length ? (nodes = _, initializeNodes(), forces.each(initializeForce), simulation) : nodes;
+ },
- /**
- * Creates a function that invokes `func`, with the `this` binding and arguments
- * of the created function, while it's called less than `n` times. Subsequent
- * calls to the created function return the result of the last `func` invocation.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Function
- * @param {number} n The number of calls at which `func` is no longer invoked.
- * @param {Function} func The function to restrict.
- * @returns {Function} Returns the new restricted function.
- * @example
- *
- * jQuery(element).on('click', _.before(5, addContactToList));
- * // => Allows adding up to 4 contacts to the list.
- */
- function before(n, func) {
- var result;
- if (typeof func != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- n = toInteger(n);
- return function() {
- if (--n > 0) {
- result = func.apply(this, arguments);
- }
- if (n <= 1) {
- func = undefined;
+ alpha: function(_) {
+ return arguments.length ? (alpha = +_, simulation) : alpha;
+ },
+
+ alphaMin: function(_) {
+ return arguments.length ? (alphaMin = +_, simulation) : alphaMin;
+ },
+
+ alphaDecay: function(_) {
+ return arguments.length ? (alphaDecay = +_, simulation) : +alphaDecay;
+ },
+
+ alphaTarget: function(_) {
+ return arguments.length ? (alphaTarget = +_, simulation) : alphaTarget;
+ },
+
+ velocityDecay: function(_) {
+ return arguments.length ? (velocityDecay = 1 - _, simulation) : 1 - velocityDecay;
+ },
+
+ force: function(name, _) {
+ return arguments.length > 1 ? ((_ == null ? forces.remove(name) : forces.set(name, initializeForce(_))), simulation) : forces.get(name);
+ },
+
+ find: function(x, y, radius) {
+ var i = 0,
+ n = nodes.length,
+ dx,
+ dy,
+ d2,
+ node,
+ closest;
+
+ if (radius == null) radius = Infinity;
+ else radius *= radius;
+
+ for (i = 0; i < n; ++i) {
+ node = nodes[i];
+ dx = x - node.x;
+ dy = y - node.y;
+ d2 = dx * dx + dy * dy;
+ if (d2 < radius) closest = node, radius = d2;
}
- return result;
- };
- }
- /**
- * Creates a function that invokes `func` with the `this` binding of `thisArg`
- * and `partials` prepended to the arguments it receives.
- *
- * The `_.bind.placeholder` value, which defaults to `_` in monolithic builds,
- * may be used as a placeholder for partially applied arguments.
- *
- * **Note:** Unlike native `Function#bind`, this method doesn't set the "length"
- * property of bound functions.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {Function} func The function to bind.
- * @param {*} thisArg The `this` binding of `func`.
- * @param {...*} [partials] The arguments to be partially applied.
- * @returns {Function} Returns the new bound function.
- * @example
- *
- * function greet(greeting, punctuation) {
- * return greeting + ' ' + this.user + punctuation;
- * }
- *
- * var object = { 'user': 'fred' };
- *
- * var bound = _.bind(greet, object, 'hi');
- * bound('!');
- * // => 'hi fred!'
- *
- * // Bound with placeholders.
- * var bound = _.bind(greet, object, _, '!');
- * bound('hi');
- * // => 'hi fred!'
- */
- 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);
- });
+ return closest;
+ },
- /**
- * Creates a function that invokes the method at `object[key]` with `partials`
- * prepended to the arguments it receives.
- *
- * This method differs from `_.bind` by allowing bound functions to reference
- * methods that may be redefined or don't yet exist. See
- * [Peter Michaux's article](http://peter.michaux.ca/articles/lazy-function-definition-pattern)
- * for more details.
- *
- * The `_.bindKey.placeholder` value, which defaults to `_` in monolithic
- * builds, may be used as a placeholder for partially applied arguments.
- *
- * @static
- * @memberOf _
- * @since 0.10.0
- * @category Function
- * @param {Object} object The object to invoke the method on.
- * @param {string} key The key of the method.
- * @param {...*} [partials] The arguments to be partially applied.
- * @returns {Function} Returns the new bound function.
- * @example
- *
- * var object = {
- * 'user': 'fred',
- * 'greet': function(greeting, punctuation) {
- * return greeting + ' ' + this.user + punctuation;
- * }
- * };
- *
- * var bound = _.bindKey(object, 'greet', 'hi');
- * bound('!');
- * // => 'hi fred!'
- *
- * object.greet = function(greeting, punctuation) {
- * return greeting + 'ya ' + this.user + punctuation;
- * };
- *
- * bound('!');
- * // => 'hiya fred!'
- *
- * // Bound with placeholders.
- * var bound = _.bindKey(object, 'greet', _, '!');
- * bound('hi');
- * // => 'hiya fred!'
- */
- var bindKey = baseRest(function(object, key, partials) {
- var bitmask = WRAP_BIND_FLAG | WRAP_BIND_KEY_FLAG;
- if (partials.length) {
- var holders = replaceHolders(partials, getHolder(bindKey));
- bitmask |= WRAP_PARTIAL_FLAG;
+ on: function(name, _) {
+ return arguments.length > 1 ? (event.on(name, _), simulation) : event.on(name);
}
- return createWrap(key, bitmask, object, partials, holders);
- });
+ };
+ }
- /**
- * Creates a function that accepts arguments of `func` and either invokes
- * `func` returning its result, if at least `arity` number of arguments have
- * been provided, or returns a function that accepts the remaining `func`
- * arguments, and so on. The arity of `func` may be specified if `func.length`
- * is not sufficient.
- *
- * The `_.curry.placeholder` value, which defaults to `_` in monolithic builds,
- * may be used as a placeholder for provided arguments.
- *
- * **Note:** This method doesn't set the "length" property of curried functions.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Function
- * @param {Function} func The function to curry.
- * @param {number} [arity=func.length] The arity of `func`.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Function} Returns the new curried function.
- * @example
- *
- * var abc = function(a, b, c) {
- * return [a, b, c];
- * };
- *
- * var curried = _.curry(abc);
- *
- * curried(1)(2)(3);
- * // => [1, 2, 3]
- *
- * curried(1, 2)(3);
- * // => [1, 2, 3]
- *
- * curried(1, 2, 3);
- * // => [1, 2, 3]
- *
- * // Curried with placeholders.
- * curried(1)(_, 3)(2);
- * // => [1, 2, 3]
- */
- function curry(func, arity, guard) {
- arity = guard ? undefined : arity;
- var result = createWrap(func, WRAP_CURRY_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
- result.placeholder = curry.placeholder;
- return result;
+ function manyBody() {
+ var nodes,
+ node,
+ alpha,
+ strength = constant$6(-30),
+ strengths,
+ distanceMin2 = 1,
+ distanceMax2 = Infinity,
+ theta2 = 0.81;
+
+ function force(_) {
+ var i, n = nodes.length, tree = quadtree(nodes, x$1, y$1).visitAfter(accumulate);
+ for (alpha = _, i = 0; i < n; ++i) node = nodes[i], tree.visit(apply);
}
- /**
- * This method is like `_.curry` except that arguments are applied to `func`
- * in the manner of `_.partialRight` instead of `_.partial`.
- *
- * The `_.curryRight.placeholder` value, which defaults to `_` in monolithic
- * builds, may be used as a placeholder for provided arguments.
- *
- * **Note:** This method doesn't set the "length" property of curried functions.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Function
- * @param {Function} func The function to curry.
- * @param {number} [arity=func.length] The arity of `func`.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Function} Returns the new curried function.
- * @example
- *
- * var abc = function(a, b, c) {
- * return [a, b, c];
- * };
- *
- * var curried = _.curryRight(abc);
- *
- * curried(3)(2)(1);
- * // => [1, 2, 3]
- *
- * curried(2, 3)(1);
- * // => [1, 2, 3]
- *
- * curried(1, 2, 3);
- * // => [1, 2, 3]
- *
- * // Curried with placeholders.
- * curried(3)(1, _)(2);
- * // => [1, 2, 3]
- */
- function curryRight(func, arity, guard) {
- arity = guard ? undefined : arity;
- var result = createWrap(func, WRAP_CURRY_RIGHT_FLAG, undefined, undefined, undefined, undefined, undefined, arity);
- result.placeholder = curryRight.placeholder;
- return result;
+ function initialize() {
+ if (!nodes) return;
+ var i, n = nodes.length, node;
+ strengths = new Array(n);
+ for (i = 0; i < n; ++i) node = nodes[i], strengths[node.index] = +strength(node, i, nodes);
}
- /**
- * 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(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 accumulate(quad) {
+ var strength = 0, q, c, weight = 0, x, y, i;
- 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;
+ // For internal nodes, accumulate forces from child quadrants.
+ if (quad.length) {
+ for (x = y = i = 0; i < 4; ++i) {
+ if ((q = quad[i]) && (c = Math.abs(q.value))) {
+ strength += q.value, weight += c, x += c * q.x, y += c * q.y;
+ }
+ }
+ quad.x = x / weight;
+ quad.y = y / weight;
}
- function remainingWait(time) {
- var timeSinceLastCall = time - lastCallTime,
- timeSinceLastInvoke = time - lastInvokeTime,
- result = wait - timeSinceLastCall;
-
- return maxing ? nativeMin(result, maxWait - timeSinceLastInvoke) : result;
+ // For leaf nodes, accumulate forces from coincident quadrants.
+ else {
+ q = quad;
+ q.x = q.data.x;
+ q.y = q.data.y;
+ do strength += strengths[q.data.index];
+ while (q = q.next);
}
- function shouldInvoke(time) {
- var timeSinceLastCall = time - lastCallTime,
- timeSinceLastInvoke = time - lastInvokeTime;
+ quad.value = strength;
+ }
- // 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 apply(quad, x1, _, x2) {
+ if (!quad.value) return true;
- function timerExpired() {
- var time = now();
- if (shouldInvoke(time)) {
- return trailingEdge(time);
+ var x = quad.x - node.x,
+ y = quad.y - node.y,
+ w = x2 - x1,
+ l = x * x + y * y;
+
+ // Apply the Barnes-Hut approximation if possible.
+ // Limit forces for very close nodes; randomize direction if coincident.
+ if (w * w / theta2 < l) {
+ if (l < distanceMax2) {
+ if (x === 0) x = jiggle(), l += x * x;
+ if (y === 0) y = jiggle(), l += y * y;
+ if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l);
+ node.vx += x * quad.value * alpha / l;
+ node.vy += y * quad.value * alpha / l;
}
- // Restart the timer.
- timerId = setTimeout(timerExpired, remainingWait(time));
+ return true;
}
- function trailingEdge(time) {
- timerId = undefined;
+ // Otherwise, process points directly.
+ else if (quad.length || l >= distanceMax2) return;
- // 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;
+ // Limit forces for very close nodes; randomize direction if coincident.
+ if (quad.data !== node || quad.next) {
+ if (x === 0) x = jiggle(), l += x * x;
+ if (y === 0) y = jiggle(), l += y * y;
+ if (l < distanceMin2) l = Math.sqrt(distanceMin2 * l);
}
- function cancel() {
- if (timerId !== undefined) {
- clearTimeout(timerId);
- }
- lastInvokeTime = 0;
- lastArgs = lastCallTime = lastThis = timerId = undefined;
- }
+ do if (quad.data !== node) {
+ w = strengths[quad.data.index] * alpha / l;
+ node.vx += x * w;
+ node.vy += y * w;
+ } while (quad = quad.next);
+ }
- function flush() {
- return timerId === undefined ? result : trailingEdge(now());
- }
+ force.initialize = function(_) {
+ nodes = _;
+ initialize();
+ };
+
+ force.strength = function(_) {
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength;
+ };
- function debounced() {
- var time = now(),
- isInvoking = shouldInvoke(time);
+ force.distanceMin = function(_) {
+ return arguments.length ? (distanceMin2 = _ * _, force) : Math.sqrt(distanceMin2);
+ };
- lastArgs = arguments;
- lastThis = this;
- lastCallTime = time;
+ force.distanceMax = function(_) {
+ return arguments.length ? (distanceMax2 = _ * _, force) : Math.sqrt(distanceMax2);
+ };
- if (isInvoking) {
- if (timerId === undefined) {
- return leadingEdge(lastCallTime);
- }
- if (maxing) {
- // Handle invocations in a tight loop.
- timerId = setTimeout(timerExpired, wait);
- return invokeFunc(lastCallTime);
- }
- }
- if (timerId === undefined) {
- timerId = setTimeout(timerExpired, wait);
- }
- return result;
+ force.theta = function(_) {
+ return arguments.length ? (theta2 = _ * _, force) : Math.sqrt(theta2);
+ };
+
+ return force;
+ }
+
+ function radial(radius, x, y) {
+ var nodes,
+ strength = constant$6(0.1),
+ strengths,
+ radiuses;
+
+ if (typeof radius !== "function") radius = constant$6(+radius);
+ if (x == null) x = 0;
+ if (y == null) y = 0;
+
+ function force(alpha) {
+ for (var i = 0, n = nodes.length; i < n; ++i) {
+ var node = nodes[i],
+ dx = node.x - x || 1e-6,
+ dy = node.y - y || 1e-6,
+ r = Math.sqrt(dx * dx + dy * dy),
+ k = (radiuses[i] - r) * strengths[i] * alpha / r;
+ node.vx += dx * k;
+ node.vy += dy * k;
}
- debounced.cancel = cancel;
- debounced.flush = flush;
- return debounced;
}
- /**
- * Defers invoking the `func` until the current call stack has cleared. Any
- * additional arguments are provided to `func` when it's invoked.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {Function} func The function to defer.
- * @param {...*} [args] The arguments to invoke `func` with.
- * @returns {number} Returns the timer id.
- * @example
- *
- * _.defer(function(text) {
- * console.log(text);
- * }, 'deferred');
- * // => Logs 'deferred' after one millisecond.
- */
- var defer = baseRest(function(func, args) {
- return baseDelay(func, 1, args);
- });
+ function initialize() {
+ if (!nodes) return;
+ var i, n = nodes.length;
+ strengths = new Array(n);
+ radiuses = new Array(n);
+ for (i = 0; i < n; ++i) {
+ radiuses[i] = +radius(nodes[i], i, nodes);
+ strengths[i] = isNaN(radiuses[i]) ? 0 : +strength(nodes[i], i, nodes);
+ }
+ }
- /**
- * Invokes `func` after `wait` milliseconds. Any additional arguments are
- * provided to `func` when it's invoked.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {Function} func The function to delay.
- * @param {number} wait The number of milliseconds to delay invocation.
- * @param {...*} [args] The arguments to invoke `func` with.
- * @returns {number} Returns the timer id.
- * @example
- *
- * _.delay(function(text) {
- * console.log(text);
- * }, 1000, 'later');
- * // => Logs 'later' after one second.
- */
- var delay = baseRest(function(func, wait, args) {
- return baseDelay(func, toNumber(wait) || 0, args);
- });
+ force.initialize = function(_) {
+ nodes = _, initialize();
+ };
- /**
- * Creates a function that invokes `func` with arguments reversed.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Function
- * @param {Function} func The function to flip arguments for.
- * @returns {Function} Returns the new flipped function.
- * @example
- *
- * var flipped = _.flip(function() {
- * return _.toArray(arguments);
- * });
- *
- * flipped('a', 'b', 'c', 'd');
- * // => ['d', 'c', 'b', 'a']
- */
- function flip(func) {
- return createWrap(func, WRAP_FLIP_FLAG);
- }
+ force.strength = function(_) {
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength;
+ };
- /**
- * Creates a function that memoizes the result of `func`. If `resolver` is
- * provided, it determines the cache key for storing the result based on the
- * arguments provided to the memoized function. By default, the first argument
- * provided to the memoized function is used as the map cache key. The `func`
- * is invoked with the `this` binding of the memoized function.
- *
- * **Note:** The cache is exposed as the `cache` property on the memoized
- * function. Its creation may be customized by replacing the `_.memoize.Cache`
- * constructor with one whose instances implement the
- * [`Map`](http://ecma-international.org/ecma-262/7.0/#sec-properties-of-the-map-prototype-object)
- * method interface of `clear`, `delete`, `get`, `has`, and `set`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {Function} func The function to have its output memoized.
- * @param {Function} [resolver] The function to resolve the cache key.
- * @returns {Function} Returns the new memoized function.
- * @example
- *
- * var object = { 'a': 1, 'b': 2 };
- * var other = { 'c': 3, 'd': 4 };
- *
- * var values = _.memoize(_.values);
- * values(object);
- * // => [1, 2]
- *
- * values(other);
- * // => [3, 4]
- *
- * object.a = 2;
- * values(object);
- * // => [1, 2]
- *
- * // Modify the result cache.
- * values.cache.set(object, ['a', 'b']);
- * values(object);
- * // => ['a', 'b']
- *
- * // Replace `_.memoize.Cache`.
- * _.memoize.Cache = WeakMap;
- */
- function memoize(func, resolver) {
- if (typeof func != 'function' || (resolver != null && typeof resolver != 'function')) {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- var memoized = function() {
- var args = arguments,
- key = resolver ? resolver.apply(this, args) : args[0],
- cache = memoized.cache;
+ force.radius = function(_) {
+ return arguments.length ? (radius = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : radius;
+ };
- if (cache.has(key)) {
- return cache.get(key);
- }
- var result = func.apply(this, args);
- memoized.cache = cache.set(key, result) || cache;
- return result;
- };
- memoized.cache = new (memoize.Cache || MapCache);
- return memoized;
- }
+ force.x = function(_) {
+ return arguments.length ? (x = +_, force) : x;
+ };
- // Expose `MapCache`.
- memoize.Cache = MapCache;
+ force.y = function(_) {
+ return arguments.length ? (y = +_, force) : y;
+ };
- /**
- * Creates a function that negates the result of the predicate `func`. The
- * `func` predicate is invoked with the `this` binding and arguments of the
- * created function.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Function
- * @param {Function} predicate The predicate to negate.
- * @returns {Function} Returns the new negated function.
- * @example
- *
- * function isEven(n) {
- * return n % 2 == 0;
- * }
- *
- * _.filter([1, 2, 3, 4, 5, 6], _.negate(isEven));
- * // => [1, 3, 5]
- */
- function negate(predicate) {
- if (typeof predicate != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
+ return force;
+ }
+
+ function x$2(x) {
+ var strength = constant$6(0.1),
+ nodes,
+ strengths,
+ xz;
+
+ if (typeof x !== "function") x = constant$6(x == null ? 0 : +x);
+
+ function force(alpha) {
+ for (var i = 0, n = nodes.length, node; i < n; ++i) {
+ node = nodes[i], node.vx += (xz[i] - node.x) * strengths[i] * alpha;
}
- 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);
- };
}
- /**
- * Creates a function that is restricted to invoking `func` once. Repeat calls
- * to the function return the value of the first invocation. The `func` is
- * invoked with the `this` binding and arguments of the created function.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {Function} func The function to restrict.
- * @returns {Function} Returns the new restricted function.
- * @example
- *
- * var initialize = _.once(createApplication);
- * initialize();
- * initialize();
- * // => `createApplication` is invoked once
- */
- function once(func) {
- return before(2, func);
+ function initialize() {
+ if (!nodes) return;
+ var i, n = nodes.length;
+ strengths = new Array(n);
+ xz = new Array(n);
+ for (i = 0; i < n; ++i) {
+ strengths[i] = isNaN(xz[i] = +x(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes);
+ }
}
- /**
- * Creates a function that invokes `func` with its arguments transformed.
- *
- * @static
- * @since 4.0.0
- * @memberOf _
- * @category Function
- * @param {Function} func The function to wrap.
- * @param {...(Function|Function[])} [transforms=[_.identity]]
- * The argument transforms.
- * @returns {Function} Returns the new function.
- * @example
- *
- * function doubled(n) {
- * return n * 2;
- * }
- *
- * function square(n) {
- * return n * n;
- * }
- *
- * var func = _.overArgs(function(x, y) {
- * return [x, y];
- * }, [square, doubled]);
- *
- * func(9, 3);
- * // => [81, 6]
- *
- * func(10, 5);
- * // => [100, 10]
- */
- var overArgs = castRest(function(func, transforms) {
- transforms = (transforms.length == 1 && isArray(transforms[0]))
- ? arrayMap(transforms[0], baseUnary(getIteratee()))
- : arrayMap(baseFlatten(transforms, 1), baseUnary(getIteratee()));
-
- var funcsLength = transforms.length;
- return baseRest(function(args) {
- var index = -1,
- length = nativeMin(args.length, funcsLength);
-
- while (++index < length) {
- args[index] = transforms[index].call(this, args[index]);
- }
- return apply(func, this, args);
- });
- });
+ force.initialize = function(_) {
+ nodes = _;
+ initialize();
+ };
- /**
- * Creates a function that invokes `func` with `partials` prepended to the
- * arguments it receives. This method is like `_.bind` except it does **not**
- * alter the `this` binding.
- *
- * The `_.partial.placeholder` value, which defaults to `_` in monolithic
- * builds, may be used as a placeholder for partially applied arguments.
- *
- * **Note:** This method doesn't set the "length" property of partially
- * applied functions.
- *
- * @static
- * @memberOf _
- * @since 0.2.0
- * @category Function
- * @param {Function} func The function to partially apply arguments to.
- * @param {...*} [partials] The arguments to be partially applied.
- * @returns {Function} Returns the new partially applied function.
- * @example
- *
- * function greet(greeting, name) {
- * return greeting + ' ' + name;
- * }
- *
- * var sayHelloTo = _.partial(greet, 'hello');
- * sayHelloTo('fred');
- * // => 'hello fred'
- *
- * // Partially applied with placeholders.
- * var greetFred = _.partial(greet, _, 'fred');
- * greetFred('hi');
- * // => 'hi fred'
- */
- var partial = baseRest(function(func, partials) {
- var holders = replaceHolders(partials, getHolder(partial));
- return createWrap(func, WRAP_PARTIAL_FLAG, undefined, partials, holders);
- });
+ force.strength = function(_) {
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength;
+ };
- /**
- * This method is like `_.partial` except that partially applied arguments
- * are appended to the arguments it receives.
- *
- * The `_.partialRight.placeholder` value, which defaults to `_` in monolithic
- * builds, may be used as a placeholder for partially applied arguments.
- *
- * **Note:** This method doesn't set the "length" property of partially
- * applied functions.
- *
- * @static
- * @memberOf _
- * @since 1.0.0
- * @category Function
- * @param {Function} func The function to partially apply arguments to.
- * @param {...*} [partials] The arguments to be partially applied.
- * @returns {Function} Returns the new partially applied function.
- * @example
- *
- * function greet(greeting, name) {
- * return greeting + ' ' + name;
- * }
- *
- * var greetFred = _.partialRight(greet, 'fred');
- * greetFred('hi');
- * // => 'hi fred'
- *
- * // Partially applied with placeholders.
- * var sayHelloTo = _.partialRight(greet, 'hello', _);
- * sayHelloTo('fred');
- * // => 'hello fred'
- */
- var partialRight = baseRest(function(func, partials) {
- var holders = replaceHolders(partials, getHolder(partialRight));
- return createWrap(func, WRAP_PARTIAL_RIGHT_FLAG, undefined, partials, holders);
- });
+ force.x = function(_) {
+ return arguments.length ? (x = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : x;
+ };
- /**
- * Creates a function that invokes `func` with arguments arranged according
- * to the specified `indexes` where the argument value at the first index is
- * provided as the first argument, the argument value at the second index is
- * provided as the second argument, and so on.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Function
- * @param {Function} func The function to rearrange arguments for.
- * @param {...(number|number[])} indexes The arranged argument indexes.
- * @returns {Function} Returns the new function.
- * @example
- *
- * var rearged = _.rearg(function(a, b, c) {
- * return [a, b, c];
- * }, [2, 0, 1]);
- *
- * rearged('b', 'c', 'a')
- * // => ['a', 'b', 'c']
- */
- var rearg = flatRest(function(func, indexes) {
- return createWrap(func, WRAP_REARG_FLAG, undefined, undefined, undefined, indexes);
- });
+ return force;
+ }
- /**
- * Creates a function that invokes `func` with the `this` binding of the
- * created function and arguments from `start` and beyond provided as
- * an array.
- *
- * **Note:** This method is based on the
- * [rest parameter](https://mdn.io/rest_parameters).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Function
- * @param {Function} func The function to apply a rest parameter to.
- * @param {number} [start=func.length-1] The start position of the rest parameter.
- * @returns {Function} Returns the new function.
- * @example
- *
- * var say = _.rest(function(what, names) {
- * return what + ' ' + _.initial(names).join(', ') +
- * (_.size(names) > 1 ? ', & ' : '') + _.last(names);
- * });
- *
- * say('hello', 'fred', 'barney', 'pebbles');
- * // => 'hello fred, barney, & pebbles'
- */
- function rest(func, start) {
- if (typeof func != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
+ function y$2(y) {
+ var strength = constant$6(0.1),
+ nodes,
+ strengths,
+ yz;
+
+ if (typeof y !== "function") y = constant$6(y == null ? 0 : +y);
+
+ function force(alpha) {
+ for (var i = 0, n = nodes.length, node; i < n; ++i) {
+ node = nodes[i], node.vy += (yz[i] - node.y) * strengths[i] * alpha;
}
- start = start === undefined ? start : toInteger(start);
- return baseRest(func, start);
}
- /**
- * Creates a function that invokes `func` with the `this` binding of the
- * create function and an array of arguments much like
- * [`Function#apply`](http://www.ecma-international.org/ecma-262/7.0/#sec-function.prototype.apply).
- *
- * **Note:** This method is based on the
- * [spread operator](https://mdn.io/spread_operator).
- *
- * @static
- * @memberOf _
- * @since 3.2.0
- * @category Function
- * @param {Function} func The function to spread arguments over.
- * @param {number} [start=0] The start position of the spread.
- * @returns {Function} Returns the new function.
- * @example
- *
- * var say = _.spread(function(who, what) {
- * return who + ' says ' + what;
- * });
- *
- * say(['fred', 'hello']);
- * // => 'fred says hello'
- *
- * var numbers = Promise.all([
- * Promise.resolve(40),
- * Promise.resolve(36)
- * ]);
- *
- * numbers.then(_.spread(function(x, y) {
- * return x + y;
- * }));
- * // => a Promise of 76
- */
- function spread(func, start) {
- if (typeof func != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- start = start === undefined ? 0 : nativeMax(toInteger(start), 0);
- return baseRest(function(args) {
- var array = args[start],
- lastIndex = args.length - 1,
- otherArgs = castSlice(args, 0, start);
-
- if (array) {
- arrayPush(otherArgs, array);
- }
- if (start != lastIndex) {
- arrayPush(otherArgs, castSlice(args, start + 1));
- }
- return apply(func, this, otherArgs);
- });
+ function initialize() {
+ if (!nodes) return;
+ var i, n = nodes.length;
+ strengths = new Array(n);
+ yz = new Array(n);
+ for (i = 0; i < n; ++i) {
+ strengths[i] = isNaN(yz[i] = +y(nodes[i], i, nodes)) ? 0 : +strength(nodes[i], i, nodes);
+ }
}
- /**
- * 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;
+ force.initialize = function(_) {
+ nodes = _;
+ initialize();
+ };
- if (typeof func != 'function') {
- throw new TypeError(FUNC_ERROR_TEXT);
- }
- if (isObject(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
- });
- }
+ force.strength = function(_) {
+ return arguments.length ? (strength = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : strength;
+ };
- /**
- * Creates a function that accepts up to one argument, ignoring any
- * additional arguments.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Function
- * @param {Function} func The function to cap arguments for.
- * @returns {Function} Returns the new capped function.
- * @example
- *
- * _.map(['6', '8', '10'], _.unary(parseInt));
- * // => [6, 8, 10]
- */
- function unary(func) {
- return ary(func, 1);
- }
+ force.y = function(_) {
+ return arguments.length ? (y = typeof _ === "function" ? _ : constant$6(+_), initialize(), force) : y;
+ };
- /**
- * Creates a function that provides `value` to `wrapper` as its first
- * argument. Any additional arguments provided to the function are appended
- * to those provided to the `wrapper`. The wrapper is invoked with the `this`
- * binding of the created function.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Function
- * @param {*} value The value to wrap.
- * @param {Function} [wrapper=identity] The wrapper function.
- * @returns {Function} Returns the new function.
- * @example
- *
- * var p = _.wrap(_.escape, function(func, text) {
- * return '' + func(text) + '
';
- * });
- *
- * p('fred, barney, & pebbles');
- * // => 'fred, barney, & pebbles
'
- */
- function wrap(value, wrapper) {
- return partial(castFunction(wrapper), value);
- }
+ return force;
+ }
- /*------------------------------------------------------------------------*/
+ // 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);
- /**
- * Casts `value` as an array if it's not one.
- *
- * @static
- * @memberOf _
- * @since 4.4.0
- * @category Lang
- * @param {*} value The value to inspect.
- * @returns {Array} Returns the cast array.
- * @example
- *
- * _.castArray(1);
- * // => [1]
- *
- * _.castArray({ 'a': 1 });
- * // => [{ 'a': 1 }]
- *
- * _.castArray('abc');
- * // => ['abc']
- *
- * _.castArray(null);
- * // => [null]
- *
- * _.castArray(undefined);
- * // => [undefined]
- *
- * _.castArray();
- * // => []
- *
- * var array = [1, 2, 3];
- * console.log(_.castArray(array) === array);
- * // => true
- */
- function castArray() {
- if (!arguments.length) {
- return [];
+ // 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$1(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];
}
- var value = arguments[0];
- return isArray(value) ? value : [value];
- }
- /**
- * Creates a shallow clone of `value`.
- *
- * **Note:** This method is loosely based on the
- * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)
- * and supports cloning arrays, array buffers, booleans, date objects, maps,
- * numbers, `Object` objects, regexes, sets, strings, symbols, and typed
- * arrays. The own enumerable properties of `arguments` objects are cloned
- * as plain objects. An empty object is returned for uncloneable values such
- * as error objects, functions, DOM nodes, and WeakMaps.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to clone.
- * @returns {*} Returns the cloned value.
- * @see _.cloneDeep
- * @example
- *
- * var objects = [{ 'a': 1 }, { 'b': 2 }];
- *
- * var shallow = _.clone(objects);
- * console.log(shallow[0] === objects[0]);
- * // => true
- */
- function clone(value) {
- return baseClone(value, CLONE_SYMBOLS_FLAG);
- }
+ return t.reverse().join(thousands);
+ };
+ }
- /**
- * This method is like `_.clone` except that it accepts `customizer` which
- * is invoked to produce the cloned value. If `customizer` returns `undefined`,
- * cloning is handled by the method instead. The `customizer` is invoked with
- * up to four arguments; (value [, index|key, object, stack]).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to clone.
- * @param {Function} [customizer] The function to customize cloning.
- * @returns {*} Returns the cloned value.
- * @see _.cloneDeepWith
- * @example
- *
- * function customizer(value) {
- * if (_.isElement(value)) {
- * return value.cloneNode(false);
- * }
- * }
- *
- * var el = _.cloneWith(document.body, customizer);
- *
- * console.log(el === document.body);
- * // => false
- * console.log(el.nodeName);
- * // => 'BODY'
- * console.log(el.childNodes.length);
- * // => 0
- */
- function cloneWith(value, customizer) {
- customizer = typeof customizer == 'function' ? customizer : undefined;
- return baseClone(value, CLONE_SYMBOLS_FLAG, customizer);
- }
+ function formatNumerals(numerals) {
+ return function(value) {
+ return value.replace(/[0-9]/g, function(i) {
+ return numerals[+i];
+ });
+ };
+ }
- /**
- * This method is like `_.clone` except that it recursively clones `value`.
- *
- * @static
- * @memberOf _
- * @since 1.0.0
- * @category Lang
- * @param {*} value The value to recursively clone.
- * @returns {*} Returns the deep cloned value.
- * @see _.clone
- * @example
- *
- * var objects = [{ 'a': 1 }, { 'b': 2 }];
- *
- * var deep = _.cloneDeep(objects);
- * console.log(deep[0] === objects[0]);
- * // => false
- */
- function cloneDeep(value) {
- return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG);
- }
+ function formatDefault(x, p) {
+ x = x.toPrecision(p);
- /**
- * This method is like `_.cloneWith` except that it recursively clones `value`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to recursively clone.
- * @param {Function} [customizer] The function to customize cloning.
- * @returns {*} Returns the deep cloned value.
- * @see _.cloneWith
- * @example
- *
- * function customizer(value) {
- * if (_.isElement(value)) {
- * return value.cloneNode(true);
- * }
- * }
- *
- * var el = _.cloneDeepWith(document.body, customizer);
- *
- * console.log(el === document.body);
- * // => false
- * console.log(el.nodeName);
- * // => 'BODY'
- * console.log(el.childNodes.length);
- * // => 20
- */
- function cloneDeepWith(value, customizer) {
- customizer = typeof customizer == 'function' ? customizer : undefined;
- return baseClone(value, CLONE_DEEP_FLAG | CLONE_SYMBOLS_FLAG, customizer);
+ out: for (var n = x.length, i = 1, i0 = -1, i1; i < n; ++i) {
+ switch (x[i]) {
+ case ".": i0 = i1 = i; break;
+ case "0": if (i0 === 0) i0 = i; i1 = i; break;
+ case "e": break out;
+ default: if (i0 > 0) i0 = 0; break;
+ }
}
- /**
- * Checks if `object` conforms to `source` by invoking the predicate
- * properties of `source` with the corresponding property values of `object`.
- *
- * **Note:** This method is equivalent to `_.conforms` when `source` is
- * partially applied.
- *
- * @static
- * @memberOf _
- * @since 4.14.0
- * @category Lang
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property predicates to conform to.
- * @returns {boolean} Returns `true` if `object` conforms, else `false`.
- * @example
- *
- * var object = { 'a': 1, 'b': 2 };
- *
- * _.conformsTo(object, { 'b': function(n) { return n > 1; } });
- * // => true
- *
- * _.conformsTo(object, { 'b': function(n) { return n > 2; } });
- * // => false
- */
- function conformsTo(object, source) {
- return source == null || baseConformsTo(object, source, keys(source));
- }
+ return i0 > 0 ? x.slice(0, i0) + x.slice(i1 + 1) : x;
+ }
- /**
- * Performs a
- * [`SameValueZero`](http://ecma-international.org/ecma-262/7.0/#sec-samevaluezero)
- * comparison between two values to determine if they are equivalent.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- * @example
- *
- * var object = { 'a': 1 };
- * var other = { 'a': 1 };
- *
- * _.eq(object, object);
- * // => true
- *
- * _.eq(object, other);
- * // => false
- *
- * _.eq('a', 'a');
- * // => true
- *
- * _.eq('a', Object('a'));
- * // => false
- *
- * _.eq(NaN, NaN);
- * // => true
- */
- function eq(value, other) {
- return value === other || (value !== value && other !== other);
- }
+ var prefixExponent;
- /**
- * Checks if `value` is greater than `other`.
- *
- * @static
- * @memberOf _
- * @since 3.9.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if `value` is greater than `other`,
- * else `false`.
- * @see _.lt
- * @example
- *
- * _.gt(3, 1);
- * // => true
- *
- * _.gt(3, 3);
- * // => false
- *
- * _.gt(1, 3);
- * // => false
- */
- var gt = createRelationalOperation(baseGt);
+ 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!
+ }
- /**
- * Checks if `value` is greater than or equal to `other`.
- *
- * @static
- * @memberOf _
- * @since 3.9.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if `value` is greater than or equal to
- * `other`, else `false`.
- * @see _.lte
- * @example
- *
- * _.gte(3, 1);
- * // => true
- *
- * _.gte(3, 3);
- * // => true
- *
- * _.gte(1, 3);
- * // => false
- */
- var gte = createRelationalOperation(function(value, other) {
- return value >= other;
- });
+ 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");
+ }
- /**
- * Checks if `value` is likely an `arguments` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an `arguments` object,
- * else `false`.
- * @example
- *
- * _.isArguments(function() { return arguments; }());
- * // => true
- *
- * _.isArguments([1, 2, 3]);
- * // => false
- */
- var isArguments = baseIsArguments(function() { return arguments; }()) ? baseIsArguments : function(value) {
- return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
- !propertyIsEnumerable.call(value, 'callee');
- };
+ var formatTypes = {
+ "": formatDefault,
+ "%": 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); }
+ };
- /**
- * Checks if `value` is classified as an `Array` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array, else `false`.
- * @example
- *
- * _.isArray([1, 2, 3]);
- * // => true
- *
- * _.isArray(document.body.children);
- * // => false
- *
- * _.isArray('abc');
- * // => false
- *
- * _.isArray(_.noop);
- * // => false
- */
- var isArray = Array.isArray;
+ // [[fill]align][sign][symbol][0][width][,][.precision][type]
+ var re = /^(?:(.)?([<>=^]))?([+\-\( ])?([$#])?(0)?(\d+)?(,)?(\.\d+)?([a-z%])?$/i;
+
+ function formatSpecifier(specifier) {
+ return new FormatSpecifier(specifier);
+ }
+
+ formatSpecifier.prototype = FormatSpecifier.prototype; // instanceof
+
+ function FormatSpecifier(specifier) {
+ if (!(match = re.exec(specifier))) throw new Error("invalid format: " + specifier);
+
+ var match,
+ fill = match[1] || " ",
+ align = match[2] || ">",
+ sign = match[3] || "-",
+ symbol = match[4] || "",
+ zero = !!match[5],
+ width = match[6] && +match[6],
+ comma = !!match[7],
+ precision = match[8] && +match[8].slice(1),
+ type = match[9] || "";
+
+ // The "n" type is an alias for ",g".
+ if (type === "n") comma = true, type = "g";
+
+ // Map invalid types to the default format.
+ else if (!formatTypes[type]) type = "";
+
+ // If zero fill is specified, padding goes after sign and before digits.
+ if (zero || (fill === "0" && align === "=")) zero = true, fill = "0", align = "=";
+
+ this.fill = fill;
+ this.align = align;
+ this.sign = sign;
+ this.symbol = symbol;
+ this.zero = zero;
+ this.width = width;
+ this.comma = comma;
+ this.precision = precision;
+ this.type = type;
+ }
+
+ FormatSpecifier.prototype.toString = function() {
+ return this.fill
+ + this.align
+ + this.sign
+ + this.symbol
+ + (this.zero ? "0" : "")
+ + (this.width == null ? "" : Math.max(1, this.width | 0))
+ + (this.comma ? "," : "")
+ + (this.precision == null ? "" : "." + Math.max(0, this.precision | 0))
+ + this.type;
+ };
- /**
- * Checks if `value` is classified as an `ArrayBuffer` object.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array buffer, else `false`.
- * @example
- *
- * _.isArrayBuffer(new ArrayBuffer(2));
- * // => true
- *
- * _.isArrayBuffer(new Array(2));
- * // => false
- */
- var isArrayBuffer = nodeIsArrayBuffer ? baseUnary(nodeIsArrayBuffer) : baseIsArrayBuffer;
+ function identity$3(x) {
+ return x;
+ }
- /**
- * Checks if `value` is array-like. A value is considered array-like if it's
- * not a function and has a `value.length` that's an integer greater than or
- * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is array-like, else `false`.
- * @example
- *
- * _.isArrayLike([1, 2, 3]);
- * // => true
- *
- * _.isArrayLike(document.body.children);
- * // => true
- *
- * _.isArrayLike('abc');
- * // => true
- *
- * _.isArrayLike(_.noop);
- * // => false
- */
- function isArrayLike(value) {
- return value != null && isLength(value.length) && !isFunction(value);
- }
-
- /**
- * This method is like `_.isArrayLike` except that it also checks if `value`
- * is an object.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an array-like object,
- * else `false`.
- * @example
- *
- * _.isArrayLikeObject([1, 2, 3]);
- * // => true
- *
- * _.isArrayLikeObject(document.body.children);
- * // => true
- *
- * _.isArrayLikeObject('abc');
- * // => false
- *
- * _.isArrayLikeObject(_.noop);
- * // => false
- */
- function isArrayLikeObject(value) {
- return isObjectLike(value) && isArrayLike(value);
- }
-
- /**
- * Checks if `value` is classified as a boolean primitive or object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a boolean, else `false`.
- * @example
- *
- * _.isBoolean(false);
- * // => true
- *
- * _.isBoolean(null);
- * // => false
- */
- function isBoolean(value) {
- return value === true || value === false ||
- (isObjectLike(value) && baseGetTag(value) == boolTag);
- }
+ var prefixes = ["y","z","a","f","p","n","µ","m","","k","M","G","T","P","E","Z","Y"];
+
+ function formatLocale(locale) {
+ var group = locale.grouping && locale.thousands ? formatGroup(locale.grouping, locale.thousands) : identity$3,
+ currency = locale.currency,
+ decimal = locale.decimal,
+ numerals = locale.numerals ? formatNumerals(locale.numerals) : identity$3,
+ percent = locale.percent || "%";
+
+ function newFormat(specifier) {
+ specifier = formatSpecifier(specifier);
+
+ var fill = specifier.fill,
+ align = specifier.align,
+ sign = specifier.sign,
+ symbol = specifier.symbol,
+ zero = specifier.zero,
+ width = specifier.width,
+ comma = specifier.comma,
+ precision = specifier.precision,
+ type = specifier.type;
+
+ // Compute the prefix and suffix.
+ // For SI-prefix, the suffix is lazily computed.
+ var prefix = symbol === "$" ? currency[0] : symbol === "#" && /[boxX]/.test(type) ? "0" + type.toLowerCase() : "",
+ suffix = symbol === "$" ? currency[1] : /[%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 = !type || /[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 == null ? (type ? 6 : 12)
+ : /[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;
+
+ // Perform the initial formatting.
+ var valueNegative = value < 0;
+ value = formatType(Math.abs(value), precision);
+
+ // If a negative value rounds to zero during formatting, treat as positive.
+ if (valueNegative && +value === 0) valueNegative = false;
+
+ // Compute the prefix and suffix.
+ valuePrefix = (valueNegative ? (sign === "(" ? sign : "-") : sign === "-" || sign === "(" ? "" : sign) + valuePrefix;
+ valueSuffix = (type === "s" ? prefixes[8 + prefixExponent / 3] : "") + valueSuffix + (valueNegative && sign === "(" ? ")" : "");
+
+ // Break the formatted value into the integer âvalueâ part that can be
+ // grouped, and fractional or exponential âsuffixâ 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;
+ }
+ }
+ }
+ }
- /**
- * Checks if `value` is a buffer.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.
- * @example
- *
- * _.isBuffer(new Buffer(2));
- * // => true
- *
- * _.isBuffer(new Uint8Array(2));
- * // => false
- */
- var isBuffer = nativeIsBuffer || stubFalse;
+ // If the fill character is not "0", grouping is applied before padding.
+ if (comma && !zero) value = group(value, Infinity);
- /**
- * Checks if `value` is classified as a `Date` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a date object, else `false`.
- * @example
- *
- * _.isDate(new Date);
- * // => true
- *
- * _.isDate('Mon April 23 2012');
- * // => false
- */
- var isDate = nodeIsDate ? baseUnary(nodeIsDate) : baseIsDate;
+ // Compute the padding.
+ var length = valuePrefix.length + value.length + valueSuffix.length,
+ padding = length < width ? new Array(width - length + 1).join(fill) : "";
- /**
- * Checks if `value` is likely a DOM element.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a DOM element, else `false`.
- * @example
- *
- * _.isElement(document.body);
- * // => true
- *
- * _.isElement('');
- * // => false
- */
- function isElement(value) {
- return isObjectLike(value) && value.nodeType === 1 && !isPlainObject(value);
- }
+ // 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 = "";
- /**
- * Checks if `value` is an empty object, collection, map, or set.
- *
- * Objects are considered empty if they have no own enumerable string keyed
- * properties.
- *
- * Array-like values such as `arguments` objects, arrays, buffers, strings, or
- * jQuery-like collections are considered empty if they have a `length` of `0`.
- * Similarly, maps and sets are considered empty if they have a `size` of `0`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is empty, else `false`.
- * @example
- *
- * _.isEmpty(null);
- * // => true
- *
- * _.isEmpty(true);
- * // => true
- *
- * _.isEmpty(1);
- * // => true
- *
- * _.isEmpty([1, 2, 3]);
- * // => false
- *
- * _.isEmpty({ 'a': 1 });
- * // => false
- */
- function isEmpty(value) {
- if (value == null) {
- return true;
- }
- if (isArrayLike(value) &&
- (isArray(value) || typeof value == 'string' || typeof value.splice == 'function' ||
- isBuffer(value) || isTypedArray(value) || isArguments(value))) {
- return !value.length;
- }
- var tag = getTag(value);
- if (tag == mapTag || tag == setTag) {
- return !value.size;
- }
- if (isPrototype(value)) {
- return !baseKeys(value).length;
- }
- for (var key in value) {
- if (hasOwnProperty.call(value, key)) {
- return false;
+ // 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);
}
- return true;
- }
- /**
- * Performs a deep comparison between two values to determine if they are
- * equivalent.
- *
- * **Note:** This method supports comparing arrays, array buffers, booleans,
- * date objects, error objects, maps, numbers, `Object` objects, regexes,
- * sets, strings, symbols, and typed arrays. `Object` objects are compared
- * by their own, not inherited, enumerable properties. Functions and DOM
- * nodes are **not** supported.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- * @example
- *
- * var object = { 'a': 1 };
- * var other = { 'a': 1 };
- *
- * _.isEqual(object, other);
- * // => true
- *
- * object === other;
- * // => false
- */
- function isEqual(value, other) {
- return baseIsEqual(value, other);
- }
+ format.toString = function() {
+ return specifier + "";
+ };
- /**
- * This method is like `_.isEqual` except that it accepts `customizer` which
- * is invoked to compare values. If `customizer` returns `undefined`, comparisons
- * are handled by the method instead. The `customizer` is invoked with up to
- * six arguments: (objValue, othValue [, index|key, object, other, stack]).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @param {Function} [customizer] The function to customize comparisons.
- * @returns {boolean} Returns `true` if the values are equivalent, else `false`.
- * @example
- *
- * function isGreeting(value) {
- * return /^h(?:i|ello)$/.test(value);
- * }
- *
- * function customizer(objValue, othValue) {
- * if (isGreeting(objValue) && isGreeting(othValue)) {
- * return true;
- * }
- * }
- *
- * var array = ['hello', 'goodbye'];
- * var other = ['hi', 'goodbye'];
- *
- * _.isEqualWith(array, other, customizer);
- * // => true
- */
- function isEqualWith(value, other, customizer) {
- customizer = typeof customizer == 'function' ? customizer : undefined;
- var result = customizer ? customizer(value, other) : undefined;
- return result === undefined ? baseIsEqual(value, other, undefined, customizer) : !!result;
+ return format;
}
- /**
- * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,
- * `SyntaxError`, `TypeError`, or `URIError` object.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an error object, else `false`.
- * @example
- *
- * _.isError(new Error);
- * // => true
- *
- * _.isError(Error);
- * // => false
- */
- function isError(value) {
- if (!isObjectLike(value)) {
- return false;
- }
- var tag = baseGetTag(value);
- return tag == errorTag || tag == domExcTag ||
- (typeof value.message == 'string' && typeof value.name == 'string' && !isPlainObject(value));
+ function formatPrefix(specifier, value) {
+ var f = newFormat((specifier = formatSpecifier(specifier), specifier.type = "f", specifier)),
+ e = Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3,
+ k = Math.pow(10, -e),
+ prefix = prefixes[8 + e / 3];
+ return function(value) {
+ return f(k * value) + prefix;
+ };
}
- /**
- * Checks if `value` is a finite primitive number.
- *
- * **Note:** This method is based on
- * [`Number.isFinite`](https://mdn.io/Number/isFinite).
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a finite number, else `false`.
- * @example
- *
- * _.isFinite(3);
- * // => true
- *
- * _.isFinite(Number.MIN_VALUE);
- * // => true
- *
- * _.isFinite(Infinity);
- * // => false
- *
- * _.isFinite('3');
- * // => false
- */
- function isFinite(value) {
- return typeof value == 'number' && nativeIsFinite(value);
- }
+ return {
+ format: newFormat,
+ formatPrefix: formatPrefix
+ };
+ }
- /**
- * Checks if `value` is classified as a `Function` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a function, else `false`.
- * @example
- *
- * _.isFunction(_);
- * // => true
- *
- * _.isFunction(/abc/);
- * // => false
- */
- function isFunction(value) {
- if (!isObject(value)) {
- return false;
- }
- // The use of `Object#toString` avoids issues with the `typeof` operator
- // in Safari 9 which returns 'object' for typed arrays and other constructors.
- var tag = baseGetTag(value);
- return tag == funcTag || tag == genTag || tag == asyncTag || tag == proxyTag;
- }
+ var locale;
+ var format;
+ var formatPrefix;
- /**
- * Checks if `value` is an integer.
- *
- * **Note:** This method is based on
- * [`Number.isInteger`](https://mdn.io/Number/isInteger).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is an integer, else `false`.
- * @example
- *
- * _.isInteger(3);
- * // => true
- *
- * _.isInteger(Number.MIN_VALUE);
- * // => false
- *
- * _.isInteger(Infinity);
- * // => false
- *
- * _.isInteger('3');
- * // => false
- */
- function isInteger(value) {
- return typeof value == 'number' && value == toInteger(value);
- }
+ defaultLocale({
+ decimal: ".",
+ thousands: ",",
+ grouping: [3],
+ currency: ["$", ""]
+ });
- /**
- * Checks if `value` is a valid array-like length.
- *
- * **Note:** This method is loosely based on
- * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a valid length, else `false`.
- * @example
- *
- * _.isLength(3);
- * // => true
- *
- * _.isLength(Number.MIN_VALUE);
- * // => false
- *
- * _.isLength(Infinity);
- * // => false
- *
- * _.isLength('3');
- * // => false
- */
- function isLength(value) {
- return typeof value == 'number' &&
- value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;
- }
+ function defaultLocale(definition) {
+ locale = formatLocale(definition);
+ format = locale.format;
+ formatPrefix = locale.formatPrefix;
+ return locale;
+ }
- /**
- * 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(value) {
- var type = typeof value;
- return value != null && (type == 'object' || type == 'function');
- }
+ function precisionFixed(step) {
+ return Math.max(0, -exponent$1(Math.abs(step)));
+ }
- /**
- * 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';
- }
+ function precisionPrefix(step, value) {
+ return Math.max(0, Math.max(-8, Math.min(8, Math.floor(exponent$1(value) / 3))) * 3 - exponent$1(Math.abs(step)));
+ }
- /**
- * Checks if `value` is classified as a `Map` object.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a map, else `false`.
- * @example
- *
- * _.isMap(new Map);
- * // => true
- *
- * _.isMap(new WeakMap);
- * // => false
- */
- var isMap = nodeIsMap ? baseUnary(nodeIsMap) : baseIsMap;
+ function precisionRound(step, max) {
+ step = Math.abs(step), max = Math.abs(max) - step;
+ return Math.max(0, exponent$1(max) - exponent$1(step)) + 1;
+ }
- /**
- * Performs a partial deep comparison between `object` and `source` to
- * determine if `object` contains equivalent property values.
- *
- * **Note:** This method is equivalent to `_.matches` when `source` is
- * partially applied.
- *
- * Partial comparisons will match empty array and empty object `source`
- * values against any array or object value, respectively. See `_.isEqual`
- * for a list of supported value comparisons.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property values to match.
- * @returns {boolean} Returns `true` if `object` is a match, else `false`.
- * @example
- *
- * var object = { 'a': 1, 'b': 2 };
- *
- * _.isMatch(object, { 'b': 2 });
- * // => true
- *
- * _.isMatch(object, { 'b': 1 });
- * // => false
- */
- function isMatch(object, source) {
- return object === source || baseIsMatch(object, source, getMatchData(source));
- }
+ // 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)
+ // 305â363 (1997).
+ // Code adapted from GeographicLib by Charles F. F. Karney,
+ // http://geographiclib.sourceforge.net/
- /**
- * This method is like `_.isMatch` except that it accepts `customizer` which
- * is invoked to compare values. If `customizer` returns `undefined`, comparisons
- * are handled by the method instead. The `customizer` is invoked with five
- * arguments: (objValue, srcValue, index|key, object, source).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {Object} object The object to inspect.
- * @param {Object} source The object of property values to match.
- * @param {Function} [customizer] The function to customize comparisons.
- * @returns {boolean} Returns `true` if `object` is a match, else `false`.
- * @example
- *
- * function isGreeting(value) {
- * return /^h(?:i|ello)$/.test(value);
- * }
- *
- * function customizer(objValue, srcValue) {
- * if (isGreeting(objValue) && isGreeting(srcValue)) {
- * return true;
- * }
- * }
- *
- * var object = { 'greeting': 'hello' };
- * var source = { 'greeting': 'hi' };
- *
- * _.isMatchWith(object, source, customizer);
- * // => true
- */
- function isMatchWith(object, source, customizer) {
- customizer = typeof customizer == 'function' ? customizer : undefined;
- return baseIsMatch(object, source, getMatchData(source), customizer);
- }
+ function adder() {
+ return new Adder;
+ }
- /**
- * Checks if `value` is `NaN`.
- *
- * **Note:** This method is based on
- * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as
- * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for
- * `undefined` and other non-number values.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.
- * @example
- *
- * _.isNaN(NaN);
- * // => true
- *
- * _.isNaN(new Number(NaN));
- * // => true
- *
- * isNaN(undefined);
- * // => true
- *
- * _.isNaN(undefined);
- * // => false
- */
- function isNaN(value) {
- // An `NaN` primitive is the only value that is not equal to itself.
- // Perform the `toStringTag` check first to avoid errors with some
- // ActiveX objects in IE.
- return isNumber(value) && value != +value;
- }
+ function Adder() {
+ this.reset();
+ }
- /**
- * Checks if `value` is a pristine native function.
- *
- * **Note:** This method can't reliably detect native functions in the presence
- * of the core-js package because core-js circumvents this kind of detection.
- * Despite multiple requests, the core-js maintainer has made it clear: any
- * attempt to fix the detection will be obstructed. As a result, we're left
- * with little choice but to throw an error. Unfortunately, this also affects
- * packages, like [babel-polyfill](https://www.npmjs.com/package/babel-polyfill),
- * which rely on core-js.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a native function,
- * else `false`.
- * @example
- *
- * _.isNative(Array.prototype.push);
- * // => true
- *
- * _.isNative(_);
- * // => false
- */
- function isNative(value) {
- if (isMaskable(value)) {
- throw new Error(CORE_ERROR_TEXT);
- }
- return baseIsNative(value);
+ Adder.prototype = {
+ constructor: Adder,
+ reset: function() {
+ this.s = // rounded value
+ this.t = 0; // exact error
+ },
+ add: function(y) {
+ add$1(temp, y, this.t);
+ add$1(this, temp.s, this.s);
+ if (this.s) this.t += temp.t;
+ else this.s = temp.t;
+ },
+ valueOf: function() {
+ return this.s;
}
+ };
- /**
- * Checks if `value` is `null`.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is `null`, else `false`.
- * @example
- *
- * _.isNull(null);
- * // => true
- *
- * _.isNull(void 0);
- * // => false
- */
- function isNull(value) {
- return value === null;
- }
+ var temp = new Adder;
- /**
- * Checks if `value` is `null` or `undefined`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is nullish, else `false`.
- * @example
- *
- * _.isNil(null);
- * // => true
- *
- * _.isNil(void 0);
- * // => true
- *
- * _.isNil(NaN);
- * // => false
- */
- function isNil(value) {
- return value == null;
- }
+ function add$1(adder, a, b) {
+ var x = adder.s = a + b,
+ bv = x - a,
+ av = x - bv;
+ adder.t = (a - av) + (b - bv);
+ }
- /**
- * Checks if `value` is classified as a `Number` primitive or object.
- *
- * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are
- * classified as numbers, use the `_.isFinite` method.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a number, else `false`.
- * @example
- *
- * _.isNumber(3);
- * // => true
- *
- * _.isNumber(Number.MIN_VALUE);
- * // => true
- *
- * _.isNumber(Infinity);
- * // => true
- *
- * _.isNumber('3');
- * // => false
- */
- function isNumber(value) {
- return typeof value == 'number' ||
- (isObjectLike(value) && baseGetTag(value) == numberTag);
- }
+ var epsilon$2 = 1e-6;
+ var epsilon2$1 = 1e-12;
+ var pi$3 = Math.PI;
+ var halfPi$2 = pi$3 / 2;
+ var quarterPi = pi$3 / 4;
+ var tau$3 = pi$3 * 2;
- /**
- * Checks if `value` is a plain object, that is, an object created by the
- * `Object` constructor or one with a `[[Prototype]]` of `null`.
- *
- * @static
- * @memberOf _
- * @since 0.8.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * }
- *
- * _.isPlainObject(new Foo);
- * // => false
- *
- * _.isPlainObject([1, 2, 3]);
- * // => false
- *
- * _.isPlainObject({ 'x': 0, 'y': 0 });
- * // => true
- *
- * _.isPlainObject(Object.create(null));
- * // => true
- */
- function isPlainObject(value) {
- if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
- return false;
- }
- var proto = getPrototype(value);
- if (proto === null) {
- return true;
- }
- var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
- return typeof Ctor == 'function' && Ctor instanceof Ctor &&
- funcToString.call(Ctor) == objectCtorString;
- }
+ var degrees$1 = 180 / pi$3;
+ var radians = pi$3 / 180;
- /**
- * Checks if `value` is classified as a `RegExp` object.
- *
- * @static
- * @memberOf _
- * @since 0.1.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a regexp, else `false`.
- * @example
- *
- * _.isRegExp(/abc/);
- * // => true
- *
- * _.isRegExp('/abc/');
- * // => false
- */
- var isRegExp = nodeIsRegExp ? baseUnary(nodeIsRegExp) : baseIsRegExp;
+ var abs = Math.abs;
+ var atan = Math.atan;
+ var atan2 = Math.atan2;
+ var cos$1 = Math.cos;
+ var ceil = Math.ceil;
+ var exp = Math.exp;
+ var log = Math.log;
+ var pow = Math.pow;
+ var sin$1 = Math.sin;
+ var sign = Math.sign || function(x) { return x > 0 ? 1 : x < 0 ? -1 : 0; };
+ var sqrt = Math.sqrt;
+ var tan = Math.tan;
- /**
- * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754
- * double precision number which isn't the result of a rounded unsafe integer.
- *
- * **Note:** This method is based on
- * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a safe integer, else `false`.
- * @example
- *
- * _.isSafeInteger(3);
- * // => true
- *
- * _.isSafeInteger(Number.MIN_VALUE);
- * // => false
- *
- * _.isSafeInteger(Infinity);
- * // => false
- *
- * _.isSafeInteger('3');
- * // => false
- */
- function isSafeInteger(value) {
- return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;
- }
+ function acos(x) {
+ return x > 1 ? 0 : x < -1 ? pi$3 : Math.acos(x);
+ }
- /**
- * Checks if `value` is classified as a `Set` object.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a set, else `false`.
- * @example
- *
- * _.isSet(new Set);
- * // => true
- *
- * _.isSet(new WeakSet);
- * // => false
- */
- var isSet = nodeIsSet ? baseUnary(nodeIsSet) : baseIsSet;
+ function asin(x) {
+ return x > 1 ? halfPi$2 : x < -1 ? -halfPi$2 : Math.asin(x);
+ }
- /**
- * Checks if `value` is classified as a `String` primitive or object.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a string, else `false`.
- * @example
- *
- * _.isString('abc');
- * // => true
- *
- * _.isString(1);
- * // => false
- */
- function isString(value) {
- return typeof value == 'string' ||
- (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
- }
+ function haversin(x) {
+ return (x = sin$1(x / 2)) * x;
+ }
- /**
- * 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(value) {
- return typeof value == 'symbol' ||
- (isObjectLike(value) && baseGetTag(value) == symbolTag);
+ function noop$1() {}
+
+ function streamGeometry(geometry, stream) {
+ if (geometry && streamGeometryType.hasOwnProperty(geometry.type)) {
+ streamGeometryType[geometry.type](geometry, stream);
}
+ }
- /**
- * Checks if `value` is classified as a typed array.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a typed array, else `false`.
- * @example
- *
- * _.isTypedArray(new Uint8Array);
- * // => true
- *
- * _.isTypedArray([]);
- * // => false
- */
- var isTypedArray = nodeIsTypedArray ? baseUnary(nodeIsTypedArray) : baseIsTypedArray;
+ 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);
+ }
+ };
- /**
- * Checks if `value` is `undefined`.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.
- * @example
- *
- * _.isUndefined(void 0);
- * // => true
- *
- * _.isUndefined(null);
- * // => false
- */
- function isUndefined(value) {
- return value === undefined;
+ 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);
}
+ };
- /**
- * Checks if `value` is classified as a `WeakMap` object.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a weak map, else `false`.
- * @example
- *
- * _.isWeakMap(new WeakMap);
- * // => true
- *
- * _.isWeakMap(new Map);
- * // => false
- */
- function isWeakMap(value) {
- return isObjectLike(value) && getTag(value) == weakMapTag;
+ 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 geoStream(object, stream) {
+ if (object && streamObjectType.hasOwnProperty(object.type)) {
+ streamObjectType[object.type](object, stream);
+ } else {
+ streamGeometry(object, stream);
}
+ }
- /**
- * Checks if `value` is classified as a `WeakSet` object.
- *
- * @static
- * @memberOf _
- * @since 4.3.0
- * @category Lang
- * @param {*} value The value to check.
- * @returns {boolean} Returns `true` if `value` is a weak set, else `false`.
- * @example
- *
- * _.isWeakSet(new WeakSet);
- * // => true
- *
- * _.isWeakSet(new Set);
- * // => false
- */
- function isWeakSet(value) {
- return isObjectLike(value) && baseGetTag(value) == weakSetTag;
+ var areaRingSum = adder();
+
+ var areaSum = adder(),
+ lambda00,
+ phi00,
+ lambda0,
+ cosPhi0,
+ sinPhi0;
+
+ var areaStream = {
+ point: noop$1,
+ lineStart: noop$1,
+ lineEnd: noop$1,
+ polygonStart: function() {
+ areaRingSum.reset();
+ areaStream.lineStart = areaRingStart;
+ areaStream.lineEnd = areaRingEnd;
+ },
+ polygonEnd: function() {
+ var areaRing = +areaRingSum;
+ areaSum.add(areaRing < 0 ? tau$3 + areaRing : areaRing);
+ this.lineStart = this.lineEnd = this.point = noop$1;
+ },
+ sphere: function() {
+ areaSum.add(tau$3);
}
+ };
- /**
- * Checks if `value` is less than `other`.
- *
- * @static
- * @memberOf _
- * @since 3.9.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if `value` is less than `other`,
- * else `false`.
- * @see _.gt
- * @example
- *
- * _.lt(1, 3);
- * // => true
- *
- * _.lt(3, 3);
- * // => false
- *
- * _.lt(3, 1);
- * // => false
- */
- var lt = createRelationalOperation(baseLt);
+ function areaRingStart() {
+ areaStream.point = areaPointFirst;
+ }
- /**
- * Checks if `value` is less than or equal to `other`.
- *
- * @static
- * @memberOf _
- * @since 3.9.0
- * @category Lang
- * @param {*} value The value to compare.
- * @param {*} other The other value to compare.
- * @returns {boolean} Returns `true` if `value` is less than or equal to
- * `other`, else `false`.
- * @see _.gte
- * @example
- *
- * _.lte(1, 3);
- * // => true
- *
- * _.lte(3, 3);
- * // => true
- *
- * _.lte(3, 1);
- * // => false
- */
- var lte = createRelationalOperation(function(value, other) {
- return value <= other;
- });
+ function areaRingEnd() {
+ areaPoint(lambda00, phi00);
+ }
- /**
- * Converts `value` to an array.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Lang
- * @param {*} value The value to convert.
- * @returns {Array} Returns the converted array.
- * @example
- *
- * _.toArray({ 'a': 1, 'b': 2 });
- * // => [1, 2]
- *
- * _.toArray('abc');
- * // => ['a', 'b', 'c']
- *
- * _.toArray(1);
- * // => []
- *
- * _.toArray(null);
- * // => []
- */
- function toArray(value) {
- if (!value) {
- return [];
- }
- if (isArrayLike(value)) {
- return isString(value) ? stringToArray(value) : copyArray(value);
- }
- if (symIterator && value[symIterator]) {
- return iteratorToArray(value[symIterator]());
- }
- var tag = getTag(value),
- func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
+ function areaPointFirst(lambda, phi) {
+ areaStream.point = areaPoint;
+ lambda00 = lambda, phi00 = phi;
+ lambda *= radians, phi *= radians;
+ lambda0 = lambda, cosPhi0 = cos$1(phi = phi / 2 + quarterPi), sinPhi0 = sin$1(phi);
+ }
- return func(value);
- }
+ function areaPoint(lambda, phi) {
+ lambda *= radians, phi *= radians;
+ phi = phi / 2 + quarterPi; // half the angular distance from south pole
- /**
- * Converts `value` to a finite number.
- *
- * @static
- * @memberOf _
- * @since 4.12.0
- * @category Lang
- * @param {*} value The value to convert.
- * @returns {number} Returns the converted number.
- * @example
- *
- * _.toFinite(3.2);
- * // => 3.2
- *
- * _.toFinite(Number.MIN_VALUE);
- * // => 5e-324
- *
- * _.toFinite(Infinity);
- * // => 1.7976931348623157e+308
- *
- * _.toFinite('3.2');
- * // => 3.2
- */
- function toFinite(value) {
- if (!value) {
- return value === 0 ? value : 0;
- }
- value = toNumber(value);
- if (value === INFINITY || value === -INFINITY) {
- var sign = (value < 0 ? -1 : 1);
- return sign * MAX_INTEGER;
- }
- return value === value ? value : 0;
- }
+ // Spherical excess E for a spherical triangle with vertices: south pole,
+ // previous point, current point. Uses a formula derived from Cagnoliâs
+ // theorem. See Todhunter, Spherical Trig. (1871), Sec. 103, Eq. (2).
+ var dLambda = lambda - lambda0,
+ sdLambda = dLambda >= 0 ? 1 : -1,
+ adLambda = sdLambda * dLambda,
+ cosPhi = cos$1(phi),
+ sinPhi = sin$1(phi),
+ k = sinPhi0 * sinPhi,
+ u = cosPhi0 * cosPhi + k * cos$1(adLambda),
+ v = k * sdLambda * sin$1(adLambda);
+ areaRingSum.add(atan2(v, u));
- /**
- * Converts `value` to an integer.
- *
- * **Note:** This method is loosely based on
- * [`ToInteger`](http://www.ecma-international.org/ecma-262/7.0/#sec-tointeger).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to convert.
- * @returns {number} Returns the converted integer.
- * @example
- *
- * _.toInteger(3.2);
- * // => 3
- *
- * _.toInteger(Number.MIN_VALUE);
- * // => 0
- *
- * _.toInteger(Infinity);
- * // => 1.7976931348623157e+308
- *
- * _.toInteger('3.2');
- * // => 3
- */
- function toInteger(value) {
- var result = toFinite(value),
- remainder = result % 1;
+ // Advance the previous points.
+ lambda0 = lambda, cosPhi0 = cosPhi, sinPhi0 = sinPhi;
+ }
- return result === result ? (remainder ? result - remainder : result) : 0;
- }
+ function d3_geoArea(object) {
+ areaSum.reset();
+ geoStream(object, areaStream);
+ return areaSum * 2;
+ }
- /**
- * Converts `value` to an integer suitable for use as the length of an
- * array-like object.
- *
- * **Note:** This method is based on
- * [`ToLength`](http://ecma-international.org/ecma-262/7.0/#sec-tolength).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to convert.
- * @returns {number} Returns the converted integer.
- * @example
- *
- * _.toLength(3.2);
- * // => 3
- *
- * _.toLength(Number.MIN_VALUE);
- * // => 0
- *
- * _.toLength(Infinity);
- * // => 4294967295
- *
- * _.toLength('3.2');
- * // => 3
- */
- function toLength(value) {
- return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;
+ function spherical(cartesian) {
+ return [atan2(cartesian[1], cartesian[0]), asin(cartesian[2])];
+ }
+
+ function cartesian(spherical) {
+ var lambda = spherical[0], phi = spherical[1], cosPhi = cos$1(phi);
+ return [cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(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$1;
+
+ 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$2) phi1 = 90;
+ else if (deltaSum < -epsilon$2) phi0 = -90;
+ range$1[0] = lambda0$1, range$1[1] = lambda1;
}
+ };
- /**
- * 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(value)) {
- return NAN;
- }
- if (isObject(value)) {
- var other = typeof value.valueOf == 'function' ? value.valueOf() : value;
- value = isObject(other) ? (other + '') : other;
+ function boundsPoint(lambda, phi) {
+ ranges.push(range$1 = [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$$1 = delta > 0 ? 1 : -1,
+ lambdai = inflection[0] * degrees$1 * sign$$1,
+ phii,
+ antimeridian = abs(delta) > 180;
+ if (antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) {
+ phii = inflection[1] * degrees$1;
+ if (phii > phi1) phi1 = phii;
+ } else if (lambdai = (lambdai + 360) % 360 - 180, antimeridian ^ (sign$$1 * lambda2 < lambdai && lambdai < sign$$1 * lambda)) {
+ phii = -inflection[1] * degrees$1;
+ if (phii < phi0) phi0 = phii;
+ } else {
+ if (phi < phi0) phi0 = phi;
+ if (phi > phi1) phi1 = phi;
}
- if (typeof value != 'string') {
- return value === 0 ? value : +value;
+ 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;
+ }
+ }
}
- 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);
+ } else {
+ ranges.push(range$1 = [lambda0$1 = lambda, lambda1 = lambda]);
}
+ if (phi < phi0) phi0 = phi;
+ if (phi > phi1) phi1 = phi;
+ p0 = p, lambda2 = lambda;
+ }
- /**
- * Converts `value` to a plain object flattening inherited enumerable string
- * keyed properties of `value` to own properties of the plain object.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Lang
- * @param {*} value The value to convert.
- * @returns {Object} Returns the converted plain object.
- * @example
- *
- * function Foo() {
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.assign({ 'a': 1 }, new Foo);
- * // => { 'a': 1, 'b': 2 }
- *
- * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));
- * // => { 'a': 1, 'b': 2, 'c': 3 }
- */
- function toPlainObject(value) {
- return copyObject(value, keysIn(value));
- }
+ function boundsLineStart() {
+ boundsStream.point = linePoint;
+ }
- /**
- * Converts `value` to a safe integer. A safe integer can be compared and
- * represented correctly.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to convert.
- * @returns {number} Returns the converted integer.
- * @example
- *
- * _.toSafeInteger(3.2);
- * // => 3
- *
- * _.toSafeInteger(Number.MIN_VALUE);
- * // => 0
- *
- * _.toSafeInteger(Infinity);
- * // => 9007199254740991
- *
- * _.toSafeInteger('3.2');
- * // => 3
- */
- function toSafeInteger(value) {
- return baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER);
- }
+ function boundsLineEnd() {
+ range$1[0] = lambda0$1, range$1[1] = lambda1;
+ boundsStream.point = boundsPoint;
+ p0 = null;
+ }
- /**
- * Converts `value` to a string. An empty string is returned for `null`
- * and `undefined` values. The sign of `-0` is preserved.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Lang
- * @param {*} value The value to convert.
- * @returns {string} Returns the converted string.
- * @example
- *
- * _.toString(null);
- * // => ''
- *
- * _.toString(-0);
- * // => '-0'
- *
- * _.toString([1, 2, 3]);
- * // => '1,2,3'
- */
- function toString(value) {
- return value == null ? '' : baseToString(value);
+ function boundsRingPoint(lambda, phi) {
+ if (p0) {
+ var delta = lambda - lambda2;
+ deltaSum.add(abs(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();
+ }
- /**
- * Assigns own enumerable string keyed properties of source objects to the
- * destination object. Source objects are applied from left to right.
- * Subsequent sources overwrite property assignments of previous sources.
- *
- * **Note:** This method mutates `object` and is loosely based on
- * [`Object.assign`](https://mdn.io/Object/assign).
- *
- * @static
- * @memberOf _
- * @since 0.10.0
- * @category Object
- * @param {Object} object The destination object.
- * @param {...Object} [sources] The source objects.
- * @returns {Object} Returns `object`.
- * @see _.assignIn
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * }
- *
- * function Bar() {
- * this.c = 3;
- * }
- *
- * Foo.prototype.b = 2;
- * Bar.prototype.d = 4;
- *
- * _.assign({ 'a': 0 }, new Foo, new Bar);
- * // => { 'a': 1, 'c': 3 }
- */
- var assign = createAssigner(function(object, source) {
- if (isPrototype(source) || isArrayLike(source)) {
- copyObject(source, keys(source), object);
- return;
- }
- for (var key in source) {
- if (hasOwnProperty.call(source, key)) {
- assignValue(object, key, source[key]);
+ function boundsRingEnd() {
+ boundsRingPoint(lambda00$1, phi00$1);
+ areaStream.lineEnd();
+ if (abs(deltaSum) > epsilon$2) lambda0$1 = -(lambda1 = 180);
+ range$1[0] = lambda0$1, range$1[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 = [];
+ 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);
}
}
- });
- /**
- * This method is like `_.assign` except that it iterates over own and
- * inherited source properties.
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @alias extend
- * @category Object
- * @param {Object} object The destination object.
- * @param {...Object} [sources] The source objects.
- * @returns {Object} Returns `object`.
- * @see _.assign
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * }
- *
- * function Bar() {
- * this.c = 3;
- * }
- *
- * Foo.prototype.b = 2;
- * Bar.prototype.d = 4;
- *
- * _.assignIn({ 'a': 0 }, new Foo, new Bar);
- * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4 }
- */
- var assignIn = createAssigner(function(object, source) {
- copyObject(source, keysIn(source), object);
- });
+ // 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];
+ }
+ }
- /**
- * This method is like `_.assignIn` except that it accepts `customizer`
- * which is invoked to produce the assigned values. If `customizer` returns
- * `undefined`, assignment is handled by the method instead. The `customizer`
- * is invoked with five arguments: (objValue, srcValue, key, object, source).
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @alias extendWith
- * @category Object
- * @param {Object} object The destination object.
- * @param {...Object} sources The source objects.
- * @param {Function} [customizer] The function to customize assigned values.
- * @returns {Object} Returns `object`.
- * @see _.assignWith
- * @example
- *
- * function customizer(objValue, srcValue) {
- * return _.isUndefined(objValue) ? srcValue : objValue;
- * }
- *
- * var defaults = _.partialRight(_.assignInWith, customizer);
- *
- * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
- * // => { 'a': 1, 'b': 2 }
- */
- var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {
- copyObject(source, keysIn(source), object, customizer);
- });
+ ranges = range$1 = null;
- /**
- * This method is like `_.assign` except that it accepts `customizer`
- * which is invoked to produce the assigned values. If `customizer` returns
- * `undefined`, assignment is handled by the method instead. The `customizer`
- * is invoked with five arguments: (objValue, srcValue, key, object, source).
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The destination object.
- * @param {...Object} sources The source objects.
- * @param {Function} [customizer] The function to customize assigned values.
- * @returns {Object} Returns `object`.
- * @see _.assignInWith
- * @example
- *
- * function customizer(objValue, srcValue) {
- * return _.isUndefined(objValue) ? srcValue : objValue;
- * }
- *
- * var defaults = _.partialRight(_.assignWith, customizer);
- *
- * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
- * // => { 'a': 1, 'b': 2 }
- */
- var assignWith = createAssigner(function(object, source, srcIndex, customizer) {
- copyObject(source, keys(source), object, customizer);
- });
+ return lambda0$1 === Infinity || phi0 === Infinity
+ ? [[NaN, NaN], [NaN, NaN]]
+ : [[lambda0$1, phi0], [lambda1, phi1]];
+ }
- /**
- * Creates an array of values corresponding to `paths` of `object`.
- *
- * @static
- * @memberOf _
- * @since 1.0.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {...(string|string[])} [paths] The property paths to pick.
- * @returns {Array} Returns the picked values.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };
- *
- * _.at(object, ['a[0].b.c', 'a[1]']);
- * // => [3, 4]
- */
- var at = flatRest(baseAt);
+ var W0, W1,
+ X0, Y0, Z0,
+ X1, Y1, Z1,
+ X2, Y2, Z2,
+ lambda00$2, phi00$2, // first point
+ x0, y0, z0; // previous point
- /**
- * Creates an object that inherits from the `prototype` object. If a
- * `properties` object is given, its own enumerable string keyed properties
- * are assigned to the created object.
- *
- * @static
- * @memberOf _
- * @since 2.3.0
- * @category Object
- * @param {Object} prototype The object to inherit from.
- * @param {Object} [properties] The properties to assign to the object.
- * @returns {Object} Returns the new object.
- * @example
- *
- * function Shape() {
- * this.x = 0;
- * this.y = 0;
- * }
- *
- * function Circle() {
- * Shape.call(this);
- * }
- *
- * Circle.prototype = _.create(Shape.prototype, {
- * 'constructor': Circle
- * });
- *
- * var circle = new Circle;
- * circle instanceof Circle;
- * // => true
- *
- * circle instanceof Shape;
- * // => true
- */
- function create(prototype, properties) {
- var result = baseCreate(prototype);
- return properties == null ? result : baseAssign(result, properties);
+ var centroidStream = {
+ sphere: noop$1,
+ point: centroidPoint,
+ lineStart: centroidLineStart,
+ lineEnd: centroidLineEnd,
+ polygonStart: function() {
+ centroidStream.lineStart = centroidRingStart;
+ centroidStream.lineEnd = centroidRingEnd;
+ },
+ polygonEnd: function() {
+ centroidStream.lineStart = centroidLineStart;
+ centroidStream.lineEnd = centroidLineEnd;
}
+ };
- /**
- * Assigns own and inherited enumerable string keyed properties of source
- * objects to the destination object for all destination properties that
- * resolve to `undefined`. Source objects are applied from left to right.
- * Once a property is set, additional values of the same property are ignored.
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The destination object.
- * @param {...Object} [sources] The source objects.
- * @returns {Object} Returns `object`.
- * @see _.defaultsDeep
- * @example
- *
- * _.defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });
- * // => { 'a': 1, 'b': 2 }
- */
- var defaults = baseRest(function(args) {
- args.push(undefined, assignInDefaults);
- return apply(assignInWith, undefined, args);
- });
+ // Arithmetic mean of Cartesian vectors.
+ function centroidPoint(lambda, phi) {
+ lambda *= radians, phi *= radians;
+ var cosPhi = cos$1(phi);
+ centroidPointCartesian(cosPhi * cos$1(lambda), cosPhi * sin$1(lambda), sin$1(phi));
+ }
- /**
- * This method is like `_.defaults` except that it recursively assigns
- * default properties.
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 3.10.0
- * @category Object
- * @param {Object} object The destination object.
- * @param {...Object} [sources] The source objects.
- * @returns {Object} Returns `object`.
- * @see _.defaults
- * @example
- *
- * _.defaultsDeep({ 'a': { 'b': 2 } }, { 'a': { 'b': 1, 'c': 3 } });
- * // => { 'a': { 'b': 2, 'c': 3 } }
- */
- var defaultsDeep = baseRest(function(args) {
- args.push(undefined, mergeDefaults);
- return apply(mergeWith, undefined, args);
- });
+ function centroidPointCartesian(x, y, z) {
+ ++W0;
+ X0 += (x - X0) / W0;
+ Y0 += (y - Y0) / W0;
+ Z0 += (z - Z0) / W0;
+ }
- /**
- * This method is like `_.find` except that it returns the key of the first
- * element `predicate` returns truthy for instead of the element itself.
- *
- * @static
- * @memberOf _
- * @since 1.1.0
- * @category Object
- * @param {Object} object The object to inspect.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {string|undefined} Returns the key of the matched element,
- * else `undefined`.
- * @example
- *
- * var users = {
- * 'barney': { 'age': 36, 'active': true },
- * 'fred': { 'age': 40, 'active': false },
- * 'pebbles': { 'age': 1, 'active': true }
- * };
- *
- * _.findKey(users, function(o) { return o.age < 40; });
- * // => 'barney' (iteration order is not guaranteed)
- *
- * // The `_.matches` iteratee shorthand.
- * _.findKey(users, { 'age': 1, 'active': true });
- * // => 'pebbles'
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.findKey(users, ['active', false]);
- * // => 'fred'
- *
- * // The `_.property` iteratee shorthand.
- * _.findKey(users, 'active');
- * // => 'barney'
- */
- function findKey(object, predicate) {
- return baseFindKey(object, getIteratee(predicate, 3), baseForOwn);
- }
+ function centroidLineStart() {
+ centroidStream.point = centroidLinePointFirst;
+ }
- /**
- * This method is like `_.findKey` except that it iterates over elements of
- * a collection in the opposite order.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Object
- * @param {Object} object The object to inspect.
- * @param {Function} [predicate=_.identity] The function invoked per iteration.
- * @returns {string|undefined} Returns the key of the matched element,
- * else `undefined`.
- * @example
- *
- * var users = {
- * 'barney': { 'age': 36, 'active': true },
- * 'fred': { 'age': 40, 'active': false },
- * 'pebbles': { 'age': 1, 'active': true }
- * };
- *
- * _.findLastKey(users, function(o) { return o.age < 40; });
- * // => returns 'pebbles' assuming `_.findKey` returns 'barney'
- *
- * // The `_.matches` iteratee shorthand.
- * _.findLastKey(users, { 'age': 36, 'active': true });
- * // => 'barney'
- *
- * // The `_.matchesProperty` iteratee shorthand.
- * _.findLastKey(users, ['active', false]);
- * // => 'fred'
- *
- * // The `_.property` iteratee shorthand.
- * _.findLastKey(users, 'active');
- * // => 'pebbles'
- */
- function findLastKey(object, predicate) {
- return baseFindKey(object, getIteratee(predicate, 3), baseForOwnRight);
- }
+ function centroidLinePointFirst(lambda, phi) {
+ lambda *= radians, phi *= radians;
+ var cosPhi = cos$1(phi);
+ x0 = cosPhi * cos$1(lambda);
+ y0 = cosPhi * sin$1(lambda);
+ z0 = sin$1(phi);
+ centroidStream.point = centroidLinePoint;
+ centroidPointCartesian(x0, y0, z0);
+ }
- /**
- * Iterates over own and inherited enumerable string keyed properties of an
- * object and invokes `iteratee` for each property. The iteratee is invoked
- * with three arguments: (value, key, object). Iteratee functions may exit
- * iteration early by explicitly returning `false`.
- *
- * @static
- * @memberOf _
- * @since 0.3.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Object} Returns `object`.
- * @see _.forInRight
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.forIn(new Foo, function(value, key) {
- * console.log(key);
- * });
- * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).
- */
- function forIn(object, iteratee) {
- return object == null
- ? object
- : baseFor(object, getIteratee(iteratee, 3), keysIn);
- }
+ function centroidLinePoint(lambda, phi) {
+ lambda *= radians, phi *= radians;
+ var cosPhi = cos$1(phi),
+ x = cosPhi * cos$1(lambda),
+ y = cosPhi * sin$1(lambda),
+ z = sin$1(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);
+ }
- /**
- * This method is like `_.forIn` except that it iterates over properties of
- * `object` in the opposite order.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Object} Returns `object`.
- * @see _.forIn
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.forInRight(new Foo, function(value, key) {
- * console.log(key);
- * });
- * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.
- */
- function forInRight(object, iteratee) {
- return object == null
- ? object
- : baseForRight(object, getIteratee(iteratee, 3), keysIn);
- }
+ function centroidLineEnd() {
+ centroidStream.point = centroidPoint;
+ }
- /**
- * Iterates over own enumerable string keyed properties of an object and
- * invokes `iteratee` for each property. The iteratee is invoked with three
- * arguments: (value, key, object). Iteratee functions may exit iteration
- * early by explicitly returning `false`.
- *
- * @static
- * @memberOf _
- * @since 0.3.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Object} Returns `object`.
- * @see _.forOwnRight
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.forOwn(new Foo, function(value, key) {
- * console.log(key);
- * });
- * // => Logs 'a' then 'b' (iteration order is not guaranteed).
- */
- function forOwn(object, iteratee) {
- return object && baseForOwn(object, getIteratee(iteratee, 3));
- }
+ // See J. E. Brock, The Inertia Tensor for a Spherical Triangle,
+ // J. Applied Mechanics 42, 239 (1975).
+ function centroidRingStart() {
+ centroidStream.point = centroidRingPointFirst;
+ }
- /**
- * This method is like `_.forOwn` except that it iterates over properties of
- * `object` in the opposite order.
- *
- * @static
- * @memberOf _
- * @since 2.0.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Object} Returns `object`.
- * @see _.forOwn
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.forOwnRight(new Foo, function(value, key) {
- * console.log(key);
- * });
- * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.
- */
- function forOwnRight(object, iteratee) {
- return object && baseForOwnRight(object, getIteratee(iteratee, 3));
- }
+ function centroidRingEnd() {
+ centroidRingPoint(lambda00$2, phi00$2);
+ centroidStream.point = centroidPoint;
+ }
- /**
- * Creates an array of function property names from own enumerable properties
- * of `object`.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to inspect.
- * @returns {Array} Returns the function names.
- * @see _.functionsIn
- * @example
- *
- * function Foo() {
- * this.a = _.constant('a');
- * this.b = _.constant('b');
- * }
- *
- * Foo.prototype.c = _.constant('c');
- *
- * _.functions(new Foo);
- * // => ['a', 'b']
- */
- function functions(object) {
- return object == null ? [] : baseFunctions(object, keys(object));
- }
+ function centroidRingPointFirst(lambda, phi) {
+ lambda00$2 = lambda, phi00$2 = phi;
+ lambda *= radians, phi *= radians;
+ centroidStream.point = centroidRingPoint;
+ var cosPhi = cos$1(phi);
+ x0 = cosPhi * cos$1(lambda);
+ y0 = cosPhi * sin$1(lambda);
+ z0 = sin$1(phi);
+ centroidPointCartesian(x0, y0, z0);
+ }
- /**
- * Creates an array of function property names from own and inherited
- * enumerable properties of `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The object to inspect.
- * @returns {Array} Returns the function names.
- * @see _.functions
- * @example
- *
- * function Foo() {
- * this.a = _.constant('a');
- * this.b = _.constant('b');
- * }
- *
- * Foo.prototype.c = _.constant('c');
- *
- * _.functionsIn(new Foo);
- * // => ['a', 'b', 'c']
- */
- function functionsIn(object) {
- return object == null ? [] : baseFunctions(object, keysIn(object));
+ function centroidRingPoint(lambda, phi) {
+ lambda *= radians, phi *= radians;
+ var cosPhi = cos$1(phi),
+ x = cosPhi * cos$1(lambda),
+ y = cosPhi * sin$1(lambda),
+ z = sin$1(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;
+ 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$1) {
+ x = X1, y = Y1, z = Z1;
+ // If the feature has zero length, fall back to arithmetic mean of point vectors.
+ if (W1 < epsilon$2) 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$1) return [NaN, NaN];
}
- /**
- * Gets the value at `path` of `object`. If the resolved value is
- * `undefined`, the `defaultValue` is returned in its place.
- *
- * @static
- * @memberOf _
- * @since 3.7.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to get.
- * @param {*} [defaultValue] The value returned for `undefined` resolved values.
- * @returns {*} Returns the resolved value.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 3 } }] };
- *
- * _.get(object, 'a[0].b.c');
- * // => 3
- *
- * _.get(object, ['a', '0', 'b', 'c']);
- * // => 3
- *
- * _.get(object, 'a.b.c', 'default');
- * // => 'default'
- */
- function get(object, path, defaultValue) {
- var result = object == null ? undefined : baseGet(object, path);
- return result === undefined ? defaultValue : result;
- }
+ return [atan2(y, x) * degrees$1, asin(z / sqrt(m)) * degrees$1];
+ }
- /**
- * Checks if `path` is a direct property of `object`.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- * @example
- *
- * var object = { 'a': { 'b': 2 } };
- * var other = _.create({ 'a': _.create({ 'b': 2 }) });
- *
- * _.has(object, 'a');
- * // => true
- *
- * _.has(object, 'a.b');
- * // => true
- *
- * _.has(object, ['a', 'b']);
- * // => true
- *
- * _.has(other, 'a');
- * // => false
- */
- function has(object, path) {
- return object != null && hasPath(object, path, baseHas);
- }
+ function constant$7(x) {
+ return function() {
+ return x;
+ };
+ }
- /**
- * Checks if `path` is a direct or inherited property of `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path to check.
- * @returns {boolean} Returns `true` if `path` exists, else `false`.
- * @example
- *
- * var object = _.create({ 'a': _.create({ 'b': 2 }) });
- *
- * _.hasIn(object, 'a');
- * // => true
- *
- * _.hasIn(object, 'a.b');
- * // => true
- *
- * _.hasIn(object, ['a', 'b']);
- * // => true
- *
- * _.hasIn(object, 'b');
- * // => false
- */
- function hasIn(object, path) {
- return object != null && hasPath(object, path, baseHasIn);
+ function compose(a, b) {
+
+ function compose(x, y) {
+ return x = a(x, y), b(x[0], x[1]);
}
- /**
- * Creates an object composed of the inverted keys and values of `object`.
- * If `object` contains duplicate values, subsequent values overwrite
- * property assignments of previous values.
- *
- * @static
- * @memberOf _
- * @since 0.7.0
- * @category Object
- * @param {Object} object The object to invert.
- * @returns {Object} Returns the new inverted object.
- * @example
- *
- * var object = { 'a': 1, 'b': 2, 'c': 1 };
- *
- * _.invert(object);
- * // => { '1': 'c', '2': 'b' }
- */
- var invert = createInverter(function(result, value, key) {
- result[value] = key;
- }, constant(identity));
+ if (a.invert && b.invert) compose.invert = function(x, y) {
+ return x = b.invert(x, y), x && a.invert(x[0], x[1]);
+ };
- /**
- * This method is like `_.invert` except that the inverted object is generated
- * from the results of running each element of `object` thru `iteratee`. The
- * corresponding inverted value of each inverted key is an array of keys
- * responsible for generating the inverted value. The iteratee is invoked
- * with one argument: (value).
- *
- * @static
- * @memberOf _
- * @since 4.1.0
- * @category Object
- * @param {Object} object The object to invert.
- * @param {Function} [iteratee=_.identity] The iteratee invoked per element.
- * @returns {Object} Returns the new inverted object.
- * @example
- *
- * var object = { 'a': 1, 'b': 2, 'c': 1 };
- *
- * _.invertBy(object);
- * // => { '1': ['a', 'c'], '2': ['b'] }
- *
- * _.invertBy(object, function(value) {
- * return 'group' + value;
- * });
- * // => { 'group1': ['a', 'c'], 'group2': ['b'] }
- */
- var invertBy = createInverter(function(result, value, key) {
- if (hasOwnProperty.call(result, value)) {
- result[value].push(key);
- } else {
- result[value] = [key];
- }
- }, getIteratee);
+ return compose;
+ }
- /**
- * Invokes the method at `path` of `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the method to invoke.
- * @param {...*} [args] The arguments to invoke the method with.
- * @returns {*} Returns the result of the invoked method.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };
- *
- * _.invoke(object, 'a[0].b.c.slice', 1, 3);
- * // => [2, 3]
- */
- var invoke = baseRest(baseInvoke);
+ function rotationIdentity(lambda, phi) {
+ return [lambda > pi$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi];
+ }
- /**
- * Creates an array of the own enumerable property names of `object`.
- *
- * **Note:** Non-object values are coerced to objects. See the
- * [ES spec](http://ecma-international.org/ecma-262/7.0/#sec-object.keys)
- * for more details.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.keys(new Foo);
- * // => ['a', 'b'] (iteration order is not guaranteed)
- *
- * _.keys('hi');
- * // => ['0', '1']
- */
- function keys(object) {
- return isArrayLike(object) ? arrayLikeKeys(object) : baseKeys(object);
+ rotationIdentity.invert = rotationIdentity;
+
+ function rotateRadians(deltaLambda, deltaPhi, deltaGamma) {
+ return (deltaLambda %= tau$3) ? (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$3 ? lambda - tau$3 : lambda < -pi$3 ? lambda + tau$3 : lambda, phi];
+ };
+ }
+
+ function rotationLambda(deltaLambda) {
+ var rotation = forwardRotationLambda(deltaLambda);
+ rotation.invert = forwardRotationLambda(-deltaLambda);
+ return rotation;
+ }
+
+ function rotationPhiGamma(deltaPhi, deltaGamma) {
+ var cosDeltaPhi = cos$1(deltaPhi),
+ sinDeltaPhi = sin$1(deltaPhi),
+ cosDeltaGamma = cos$1(deltaGamma),
+ sinDeltaGamma = sin$1(deltaGamma);
+
+ function rotation(lambda, phi) {
+ var cosPhi = cos$1(phi),
+ x = cos$1(lambda) * cosPhi,
+ y = sin$1(lambda) * cosPhi,
+ z = sin$1(phi),
+ k = z * cosDeltaPhi + x * sinDeltaPhi;
+ return [
+ atan2(y * cosDeltaGamma - k * sinDeltaGamma, x * cosDeltaPhi - z * sinDeltaPhi),
+ asin(k * cosDeltaGamma + y * sinDeltaGamma)
+ ];
}
- /**
- * Creates an array of the own and inherited enumerable property names of `object`.
- *
- * **Note:** Non-object values are coerced to objects.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property names.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.keysIn(new Foo);
- * // => ['a', 'b', 'c'] (iteration order is not guaranteed)
- */
- function keysIn(object) {
- return isArrayLike(object) ? arrayLikeKeys(object, true) : baseKeysIn(object);
+ rotation.invert = function(lambda, phi) {
+ var cosPhi = cos$1(phi),
+ x = cos$1(lambda) * cosPhi,
+ y = sin$1(lambda) * cosPhi,
+ z = sin$1(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$1, coordinates[1] *= degrees$1, coordinates;
}
- /**
- * The opposite of `_.mapValues`; this method creates an object with the
- * same values as `object` and keys generated by running each own enumerable
- * string keyed property of `object` thru `iteratee`. The iteratee is invoked
- * with three arguments: (value, key, object).
- *
- * @static
- * @memberOf _
- * @since 3.8.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Object} Returns the new mapped object.
- * @see _.mapValues
- * @example
- *
- * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {
- * return key + value;
- * });
- * // => { 'a1': 1, 'b2': 2 }
- */
- function mapKeys(object, iteratee) {
- var result = {};
- iteratee = getIteratee(iteratee, 3);
+ forward.invert = function(coordinates) {
+ coordinates = rotate.invert(coordinates[0] * radians, coordinates[1] * radians);
+ return coordinates[0] *= degrees$1, coordinates[1] *= degrees$1, coordinates;
+ };
- baseForOwn(object, function(value, key, object) {
- baseAssignValue(result, iteratee(value, key, object), value);
- });
- return result;
+ 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$1(radius),
+ sinRadius = sin$1(radius),
+ step = direction * delta;
+ if (t0 == null) {
+ t0 = radius + direction * tau$3;
+ t1 = radius - step / 2;
+ } else {
+ t0 = circleRadius(cosRadius, t0);
+ t1 = circleRadius(cosRadius, t1);
+ if (direction > 0 ? t0 < t1 : t0 > t1) t0 += direction * tau$3;
}
+ for (var point, t = t0; direction > 0 ? t > t1 : t < t1; t -= step) {
+ point = spherical([cosRadius, -sinRadius * cos$1(t), -sinRadius * sin$1(t)]);
+ stream.point(point[0], point[1]);
+ }
+ }
- /**
- * Creates an object with the same keys as `object` and values generated
- * by running each own enumerable string keyed property of `object` thru
- * `iteratee`. The iteratee is invoked with three arguments:
- * (value, key, object).
- *
- * @static
- * @memberOf _
- * @since 2.4.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @returns {Object} Returns the new mapped object.
- * @see _.mapKeys
- * @example
- *
- * var users = {
- * 'fred': { 'user': 'fred', 'age': 40 },
- * 'pebbles': { 'user': 'pebbles', 'age': 1 }
- * };
- *
- * _.mapValues(users, function(o) { return o.age; });
- * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
- *
- * // The `_.property` iteratee shorthand.
- * _.mapValues(users, 'age');
- * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)
- */
- function mapValues(object, iteratee) {
- var result = {};
- iteratee = getIteratee(iteratee, 3);
+ // 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$3 - epsilon$2) % tau$3;
+ }
- baseForOwn(object, function(value, key, object) {
- baseAssignValue(result, key, iteratee(value, key, object));
- });
- return result;
+ function circle() {
+ var center = constant$7([0, 0]),
+ radius = constant$7(90),
+ precision = constant$7(6),
+ ring,
+ rotate,
+ stream = {point: point};
+
+ function point(x, y) {
+ ring.push(x = rotate(x, y));
+ x[0] *= degrees$1, x[1] *= degrees$1;
}
- /**
- * This method is like `_.assign` except that it recursively merges own and
- * inherited enumerable string keyed properties of source objects into the
- * destination object. Source properties that resolve to `undefined` are
- * skipped if a destination value exists. Array and plain object properties
- * are merged recursively. Other objects and value types are overridden by
- * assignment. Source objects are applied from left to right. Subsequent
- * sources overwrite property assignments of previous sources.
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 0.5.0
- * @category Object
- * @param {Object} object The destination object.
- * @param {...Object} [sources] The source objects.
- * @returns {Object} Returns `object`.
- * @example
- *
- * var object = {
- * 'a': [{ 'b': 2 }, { 'd': 4 }]
- * };
- *
- * var other = {
- * 'a': [{ 'c': 3 }, { 'e': 5 }]
- * };
- *
- * _.merge(object, other);
- * // => { 'a': [{ 'b': 2, 'c': 3 }, { 'd': 4, 'e': 5 }] }
- */
- var merge = createAssigner(function(object, source, srcIndex) {
- baseMerge(object, source, srcIndex);
- });
+ function circle() {
+ var c = center.apply(this, arguments),
+ r = radius.apply(this, arguments) * radians,
+ p = precision.apply(this, arguments) * radians;
+ ring = [];
+ rotate = rotateRadians(-c[0] * radians, -c[1] * radians, 0).invert;
+ circleStream(stream, r, p, 1);
+ c = {type: "Polygon", coordinates: [ring]};
+ ring = rotate = null;
+ return c;
+ }
- /**
- * This method is like `_.merge` except that it accepts `customizer` which
- * is invoked to produce the merged values of the destination and source
- * properties. If `customizer` returns `undefined`, merging is handled by the
- * method instead. The `customizer` is invoked with six arguments:
- * (objValue, srcValue, key, object, source, stack).
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The destination object.
- * @param {...Object} sources The source objects.
- * @param {Function} customizer The function to customize assigned values.
- * @returns {Object} Returns `object`.
- * @example
- *
- * function customizer(objValue, srcValue) {
- * if (_.isArray(objValue)) {
- * return objValue.concat(srcValue);
- * }
- * }
- *
- * var object = { 'a': [1], 'b': [2] };
- * var other = { 'a': [3], 'b': [4] };
- *
- * _.mergeWith(object, other, customizer);
- * // => { 'a': [1, 3], 'b': [2, 4] }
- */
- var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {
- baseMerge(object, source, srcIndex, customizer);
- });
+ circle.center = function(_) {
+ return arguments.length ? (center = typeof _ === "function" ? _ : constant$7([+_[0], +_[1]]), circle) : center;
+ };
- /**
- * The opposite of `_.pick`; this method creates an object composed of the
- * own and inherited enumerable property paths of `object` that are not omitted.
- *
- * **Note:** This method is considerably slower than `_.pick`.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The source object.
- * @param {...(string|string[])} [paths] The property paths to omit.
- * @returns {Object} Returns the new object.
- * @example
- *
- * var object = { 'a': 1, 'b': '2', 'c': 3 };
- *
- * _.omit(object, ['a', 'c']);
- * // => { 'b': '2' }
- */
- var omit = flatRest(function(object, paths) {
- var result = {};
- if (object == null) {
+ circle.radius = function(_) {
+ return arguments.length ? (radius = typeof _ === "function" ? _ : constant$7(+_), circle) : radius;
+ };
+
+ circle.precision = function(_) {
+ return arguments.length ? (precision = typeof _ === "function" ? _ : constant$7(+_), circle) : precision;
+ };
+
+ return circle;
+ }
+
+ function clipBuffer() {
+ var lines = [],
+ line;
+ return {
+ point: function(x, y) {
+ line.push([x, y]);
+ },
+ lineStart: function() {
+ lines.push(line = []);
+ },
+ lineEnd: noop$1,
+ rejoin: function() {
+ if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
+ },
+ result: function() {
+ var result = lines;
+ lines = [];
+ line = null;
return result;
}
- var bitmask = CLONE_FLAT_FLAG | CLONE_SYMBOLS_FLAG;
- paths = arrayMap(paths, function(path) {
- path = castPath(path, object);
- bitmask |= (path.length > 1 ? CLONE_DEEP_FLAG : 0);
- return path;
- });
+ };
+ }
+
+ function pointEqual(a, b) {
+ return abs(a[0] - b[0]) < epsilon$2 && abs(a[1] - b[1]) < epsilon$2;
+ }
- copyObject(object, getAllKeysIn(object), result);
- result = baseClone(result, bitmask);
+ 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
+ }
- var length = paths.length;
- while (length--) {
- baseUnset(result, paths[length]);
+ // 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 the first and last points of a segment are coincident, then treat as a
+ // closed ring. TODO if all rings are closed, then the winding order of the
+ // exterior ring should be checked.
+ if (pointEqual(p0, p1)) {
+ stream.lineStart();
+ for (i = 0; i < n; ++i) stream.point((p0 = segment[i])[0], p0[1]);
+ stream.lineEnd();
+ return;
}
- return result;
+
+ 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));
});
- /**
- * The opposite of `_.pickBy`; this method creates an object composed of
- * the own and inherited enumerable string keyed properties of `object` that
- * `predicate` doesn't return truthy for. The predicate is invoked with two
- * arguments: (value, key).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The source object.
- * @param {Function} [predicate=_.identity] The function invoked per property.
- * @returns {Object} Returns the new object.
- * @example
- *
- * var object = { 'a': 1, 'b': '2', 'c': 3 };
- *
- * _.omitBy(object, _.isNumber);
- * // => { 'b': '2' }
- */
- function omitBy(object, predicate) {
- return pickBy(object, negate(getIteratee(predicate)));
+ if (!subject.length) return;
+
+ clip.sort(compareIntersection);
+ link$1(subject);
+ link$1(clip);
+
+ for (i = 0, n = clip.length; i < n; ++i) {
+ clip[i].e = startInside = !startInside;
}
- /**
- * Creates an object composed of the picked `object` properties.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The source object.
- * @param {...(string|string[])} [paths] The property paths to pick.
- * @returns {Object} Returns the new object.
- * @example
- *
- * var object = { 'a': 1, 'b': '2', 'c': 3 };
- *
- * _.pick(object, ['a', 'c']);
- * // => { 'a': 1, 'c': 3 }
- */
- var pick = flatRest(function(object, paths) {
- return object == null ? {} : basePick(object, paths);
- });
+ var start = subject[0],
+ points,
+ point;
- /**
- * Creates an object composed of the `object` properties `predicate` returns
- * truthy for. The predicate is invoked with two arguments: (value, key).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The source object.
- * @param {Function} [predicate=_.identity] The function invoked per property.
- * @returns {Object} Returns the new object.
- * @example
- *
- * var object = { 'a': 1, 'b': '2', 'c': 3 };
- *
- * _.pickBy(object, _.isNumber);
- * // => { 'a': 1, 'c': 3 }
- */
- function pickBy(object, predicate) {
- if (object == null) {
- return {};
- }
- var props = arrayMap(getAllKeysIn(object), function(prop) {
- return [prop];
- });
- predicate = getIteratee(predicate);
- return basePickBy(object, props, function(value, path) {
- return predicate(value, path[0]);
- });
+ 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();
}
+ }
- /**
- * This method is like `_.get` except that if the resolved value is a
- * function it's invoked with the `this` binding of its parent object and
- * its result is returned.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @param {Array|string} path The path of the property to resolve.
- * @param {*} [defaultValue] The value returned for `undefined` resolved values.
- * @returns {*} Returns the resolved value.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };
- *
- * _.result(object, 'a[0].b.c1');
- * // => 3
- *
- * _.result(object, 'a[0].b.c2');
- * // => 4
- *
- * _.result(object, 'a[0].b.c3', 'default');
- * // => 'default'
- *
- * _.result(object, 'a[0].b.c3', _.constant('default'));
- * // => 'default'
- */
- function result(object, path, defaultValue) {
- path = castPath(path, object);
-
- var index = -1,
- length = path.length;
+ function link$1(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;
+ }
- // Ensure the loop is entered when path is empty.
- if (!length) {
- object = undefined;
- length = 1;
- }
- while (++index < length) {
- var value = object == null ? undefined : object[toKey(path[index])];
- if (value === undefined) {
- index = length;
- value = defaultValue;
+ var sum$1 = adder();
+
+ function polygonContains(polygon, point) {
+ var lambda = point[0],
+ phi = point[1],
+ normal = [sin$1(lambda), -cos$1(lambda), 0],
+ angle = 0,
+ winding = 0;
+
+ sum$1.reset();
+
+ 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 = point0[0],
+ phi0 = point0[1] / 2 + quarterPi,
+ sinPhi0 = sin$1(phi0),
+ cosPhi0 = cos$1(phi0);
+
+ for (var j = 0; j < m; ++j, lambda0 = lambda1, sinPhi0 = sinPhi1, cosPhi0 = cosPhi1, point0 = point1) {
+ var point1 = ring[j],
+ lambda1 = point1[0],
+ phi1 = point1[1] / 2 + quarterPi,
+ sinPhi1 = sin$1(phi1),
+ cosPhi1 = cos$1(phi1),
+ delta = lambda1 - lambda0,
+ sign$$1 = delta >= 0 ? 1 : -1,
+ absDelta = sign$$1 * delta,
+ antimeridian = absDelta > pi$3,
+ k = sinPhi0 * sinPhi1;
+
+ sum$1.add(atan2(k * sign$$1 * sin$1(absDelta), cosPhi0 * cosPhi1 + k * cos$1(absDelta)));
+ angle += antimeridian ? delta + sign$$1 * tau$3 : delta;
+
+ // Are the longitudes either side of the pointâs 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;
+ }
}
- object = isFunction(value) ? value.call(object) : value;
}
- return object;
}
- /**
- * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,
- * it's created. Arrays are created for missing index properties while objects
- * are created for all other missing properties. Use `_.setWith` to customize
- * `path` creation.
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 3.7.0
- * @category Object
- * @param {Object} object The object to modify.
- * @param {Array|string} path The path of the property to set.
- * @param {*} value The value to set.
- * @returns {Object} Returns `object`.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 3 } }] };
- *
- * _.set(object, 'a[0].b.c', 4);
- * console.log(object.a[0].b.c);
- * // => 4
- *
- * _.set(object, ['x', '0', 'y', 'z'], 5);
- * console.log(object.x[0].y.z);
- * // => 5
- */
- function set(object, path, value) {
- return object == null ? object : baseSet(object, path, value);
- }
+ // 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$2 || angle < epsilon$2 && sum$1 < -epsilon$2) ^ (winding & 1);
+ }
+
+ 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();
+ }
+ };
- /**
- * This method is like `_.set` except that it accepts `customizer` which is
- * invoked to produce the objects of `path`. If `customizer` returns `undefined`
- * path creation is handled by the method instead. The `customizer` is invoked
- * with three arguments: (nsValue, key, nsObject).
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The object to modify.
- * @param {Array|string} path The path of the property to set.
- * @param {*} value The value to set.
- * @param {Function} [customizer] The function to customize assigned values.
- * @returns {Object} Returns `object`.
- * @example
- *
- * var object = {};
- *
- * _.setWith(object, '[0][1]', 'a', Object);
- * // => { '0': { '1': 'a' } }
- */
- function setWith(object, path, value, customizer) {
- customizer = typeof customizer == 'function' ? customizer : undefined;
- return object == null ? object : baseSet(object, path, value, customizer);
- }
+ function point(lambda, phi) {
+ if (pointVisible(lambda, phi)) sink.point(lambda, phi);
+ }
- /**
- * Creates an array of own enumerable string keyed-value pairs for `object`
- * which can be consumed by `_.fromPairs`. If `object` is a map or set, its
- * entries are returned.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @alias entries
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the key-value pairs.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.toPairs(new Foo);
- * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)
- */
- var toPairs = createToPairs(keys);
+ function pointLine(lambda, phi) {
+ line.point(lambda, phi);
+ }
- /**
- * Creates an array of own and inherited enumerable string keyed-value pairs
- * for `object` which can be consumed by `_.fromPairs`. If `object` is a map
- * or set, its entries are returned.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @alias entriesIn
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the key-value pairs.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.toPairsIn(new Foo);
- * // => [['a', 1], ['b', 2], ['c', 3]] (iteration order is not guaranteed)
- */
- var toPairsIn = createToPairs(keysIn);
+ function lineStart() {
+ clip.point = pointLine;
+ line.lineStart();
+ }
- /**
- * An alternative to `_.reduce`; this method transforms `object` to a new
- * `accumulator` object which is the result of running each of its own
- * enumerable string keyed properties thru `iteratee`, with each invocation
- * potentially mutating the `accumulator` object. If `accumulator` is not
- * provided, a new object with the same `[[Prototype]]` will be used. The
- * iteratee is invoked with four arguments: (accumulator, value, key, object).
- * Iteratee functions may exit iteration early by explicitly returning `false`.
- *
- * @static
- * @memberOf _
- * @since 1.3.0
- * @category Object
- * @param {Object} object The object to iterate over.
- * @param {Function} [iteratee=_.identity] The function invoked per iteration.
- * @param {*} [accumulator] The custom accumulator value.
- * @returns {*} Returns the accumulated value.
- * @example
- *
- * _.transform([2, 3, 4], function(result, n) {
- * result.push(n *= n);
- * return n % 2 == 0;
- * }, []);
- * // => [4, 9]
- *
- * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {
- * (result[value] || (result[value] = [])).push(key);
- * }, {});
- * // => { '1': ['a', 'c'], '2': ['b'] }
- */
- function transform(object, iteratee, accumulator) {
- var isArr = isArray(object),
- isArrLike = isArr || isBuffer(object) || isTypedArray(object);
-
- iteratee = getIteratee(iteratee, 4);
- if (accumulator == null) {
- var Ctor = object && object.constructor;
- if (isArrLike) {
- accumulator = isArr ? new Ctor : [];
- }
- else if (isObject(object)) {
- accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};
- }
- else {
- accumulator = {};
+ 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));
}
- (isArrLike ? arrayEach : baseForOwn)(object, function(value, index, object) {
- return iteratee(accumulator, value, index, object);
- });
- return accumulator;
- }
- /**
- * Removes the property at `path` of `object`.
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Object
- * @param {Object} object The object to modify.
- * @param {Array|string} path The path of the property to unset.
- * @returns {boolean} Returns `true` if the property is deleted, else `false`.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 7 } }] };
- * _.unset(object, 'a[0].b.c');
- * // => true
- *
- * console.log(object);
- * // => { 'a': [{ 'b': {} }] };
- *
- * _.unset(object, ['a', '0', 'b', 'c']);
- * // => true
- *
- * console.log(object);
- * // => { 'a': [{ 'b': {} }] };
- */
- function unset(object, path) {
- return object == null ? true : baseUnset(object, path);
- }
+ return clip;
+ };
+ }
- /**
- * This method is like `_.set` except that accepts `updater` to produce the
- * value to set. Use `_.updateWith` to customize `path` creation. The `updater`
- * is invoked with one argument: (value).
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 4.6.0
- * @category Object
- * @param {Object} object The object to modify.
- * @param {Array|string} path The path of the property to set.
- * @param {Function} updater The function to produce the updated value.
- * @returns {Object} Returns `object`.
- * @example
- *
- * var object = { 'a': [{ 'b': { 'c': 3 } }] };
- *
- * _.update(object, 'a[0].b.c', function(n) { return n * n; });
- * console.log(object.a[0].b.c);
- * // => 9
- *
- * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });
- * console.log(object.x[0].y.z);
- * // => 0
- */
- function update(object, path, updater) {
- return object == null ? object : baseUpdate(object, path, castFunction(updater));
+ 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$2 - epsilon$2 : halfPi$2 - a[1])
+ - ((b = b.x)[0] < 0 ? b[1] - halfPi$2 - epsilon$2 : halfPi$2 - b[1]);
+ }
+
+ var clipAntimeridian = clip(
+ function() { return true; },
+ clipAntimeridianLine,
+ clipAntimeridianInterpolate,
+ [-pi$3, -halfPi$2]
+ );
+
+ // 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$3 : -pi$3,
+ delta = abs(lambda1 - lambda0);
+ if (abs(delta - pi$3) < epsilon$2) { // line crosses a pole
+ stream.point(lambda0, phi0 = (phi0 + phi1) / 2 > 0 ? halfPi$2 : -halfPi$2);
+ stream.point(sign0, phi0);
+ stream.lineEnd();
+ stream.lineStart();
+ stream.point(sign1, phi0);
+ stream.point(lambda1, phi0);
+ clean = 0;
+ } else if (sign0 !== sign1 && delta >= pi$3) { // line crosses antimeridian
+ if (abs(lambda0 - sign0) < epsilon$2) lambda0 -= sign0 * epsilon$2; // handle degeneracies
+ if (abs(lambda1 - sign1) < epsilon$2) lambda1 -= sign1 * epsilon$2;
+ 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$1(lambda0 - lambda1);
+ return abs(sinLambda0Lambda1) > epsilon$2
+ ? atan((sin$1(phi0) * (cosPhi1 = cos$1(phi1)) * sin$1(lambda1)
+ - sin$1(phi1) * (cosPhi0 = cos$1(phi0)) * sin$1(lambda0))
+ / (cosPhi0 * cosPhi1 * sinLambda0Lambda1))
+ : (phi0 + phi1) / 2;
+ }
+
+ function clipAntimeridianInterpolate(from, to, direction, stream) {
+ var phi;
+ if (from == null) {
+ phi = direction * halfPi$2;
+ stream.point(-pi$3, phi);
+ stream.point(0, phi);
+ stream.point(pi$3, phi);
+ stream.point(pi$3, 0);
+ stream.point(pi$3, -phi);
+ stream.point(0, -phi);
+ stream.point(-pi$3, -phi);
+ stream.point(-pi$3, 0);
+ stream.point(-pi$3, phi);
+ } else if (abs(from[0] - to[0]) > epsilon$2) {
+ var lambda = from[0] < to[0] ? pi$3 : -pi$3;
+ phi = direction * lambda / 2;
+ stream.point(-lambda, phi);
+ stream.point(0, phi);
+ stream.point(lambda, phi);
+ } else {
+ stream.point(to[0], to[1]);
}
+ }
- /**
- * This method is like `_.update` except that it accepts `customizer` which is
- * invoked to produce the objects of `path`. If `customizer` returns `undefined`
- * path creation is handled by the method instead. The `customizer` is invoked
- * with three arguments: (nsValue, key, nsObject).
- *
- * **Note:** This method mutates `object`.
- *
- * @static
- * @memberOf _
- * @since 4.6.0
- * @category Object
- * @param {Object} object The object to modify.
- * @param {Array|string} path The path of the property to set.
- * @param {Function} updater The function to produce the updated value.
- * @param {Function} [customizer] The function to customize assigned values.
- * @returns {Object} Returns `object`.
- * @example
- *
- * var object = {};
- *
- * _.updateWith(object, '[0][1]', _.constant('a'), Object);
- * // => { '0': { '1': 'a' } }
- */
- function updateWith(object, path, updater, customizer) {
- customizer = typeof customizer == 'function' ? customizer : undefined;
- return object == null ? object : baseUpdate(object, path, castFunction(updater), customizer);
+ function clipCircle(radius) {
+ var cr = cos$1(radius),
+ delta = 6 * radians,
+ smallRadius = cr > 0,
+ notHemisphere = abs(cr) > epsilon$2; // TODO optimise for this common case
+
+ function interpolate(from, to, direction, stream) {
+ circleStream(stream, radius, delta, direction, from, to);
}
- /**
- * Creates an array of the own enumerable string keyed property values of `object`.
- *
- * **Note:** Non-object values are coerced to objects.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property values.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.values(new Foo);
- * // => [1, 2] (iteration order is not guaranteed)
- *
- * _.values('hi');
- * // => ['h', 'i']
- */
- function values(object) {
- return object == null ? [] : baseValues(object, keys(object));
+ function visible(lambda, phi) {
+ return cos$1(lambda) * cos$1(phi) > cr;
}
- /**
- * Creates an array of the own and inherited enumerable string keyed property
- * values of `object`.
- *
- * **Note:** Non-object values are coerced to objects.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category Object
- * @param {Object} object The object to query.
- * @returns {Array} Returns the array of property values.
- * @example
- *
- * function Foo() {
- * this.a = 1;
- * this.b = 2;
- * }
- *
- * Foo.prototype.c = 3;
- *
- * _.valuesIn(new Foo);
- * // => [1, 2, 3] (iteration order is not guaranteed)
- */
- function valuesIn(object) {
- return object == null ? [] : baseValues(object, keysIn(object));
+ // 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$3 : -pi$3), phi) : 0;
+ if (!point0 && (v00 = v0 = v)) stream.lineStart();
+ // Handle degeneracies.
+ // TODO ignore if not clipping polygons.
+ if (v !== v0) {
+ point2 = intersect(point0, point1);
+ if (!point2 || pointEqual(point0, point2) || pointEqual(point1, point2)) {
+ point1[0] += epsilon$2;
+ point1[1] += epsilon$2;
+ v = visible(point1[0], point1[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]);
+ 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]);
+ }
+ }
+ }
+ 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(delta - pi$3) < epsilon$2,
+ meridian = polar || delta < epsilon$2;
+
+ 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(q[0] - lambda0) < epsilon$2 ? phi0 : phi1)
+ : phi0 <= q[1] && q[1] <= phi1
+ : delta > pi$3 ^ (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$3 - 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$3, radius - pi$3]);
+ }
+
+ 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;
- /**
- * Clamps `number` within the inclusive `lower` and `upper` bounds.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category Number
- * @param {number} number The number to clamp.
- * @param {number} [lower] The lower bound.
- * @param {number} upper The upper bound.
- * @returns {number} Returns the clamped number.
- * @example
- *
- * _.clamp(-10, -5, 5);
- * // => -5
- *
- * _.clamp(10, -5, 5);
- * // => 5
- */
- function clamp(number, lower, upper) {
- if (upper === undefined) {
- upper = lower;
- lower = undefined;
- }
- if (upper !== undefined) {
- upper = toNumber(upper);
- upper = upper === upper ? upper : 0;
- }
- if (lower !== undefined) {
- lower = toNumber(lower);
- lower = lower === lower ? lower : 0;
- }
- return baseClamp(toNumber(number), lower, upper);
+ 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-polygonâs 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;
}
- /**
- * Checks if `n` is between `start` and up to, but not including, `end`. If
- * `end` is not specified, it's set to `start` with `start` then set to `0`.
- * If `start` is greater than `end` the params are swapped to support
- * negative ranges.
- *
- * @static
- * @memberOf _
- * @since 3.3.0
- * @category Number
- * @param {number} number The number to check.
- * @param {number} [start=0] The start of the range.
- * @param {number} end The end of the range.
- * @returns {boolean} Returns `true` if `number` is in the range, else `false`.
- * @see _.range, _.rangeRight
- * @example
- *
- * _.inRange(3, 2, 4);
- * // => true
- *
- * _.inRange(4, 8);
- * // => true
- *
- * _.inRange(4, 2);
- * // => false
- *
- * _.inRange(2, 2);
- * // => false
- *
- * _.inRange(1.2, 2);
- * // => true
- *
- * _.inRange(5.2, 4);
- * // => false
- *
- * _.inRange(-3, -2, -6);
- * // => true
- */
- function inRange(number, start, end) {
- start = toFinite(start);
- if (end === undefined) {
- end = start;
- start = 0;
+ 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 {
- end = toFinite(end);
+ stream.point(to[0], to[1]);
}
- number = toNumber(number);
- return baseInRange(number, start, end);
}
- /**
- * Produces a random number between the inclusive `lower` and `upper` bounds.
- * If only one argument is provided a number between `0` and the given number
- * is returned. If `floating` is `true`, or either `lower` or `upper` are
- * floats, a floating-point number is returned instead of an integer.
- *
- * **Note:** JavaScript follows the IEEE-754 standard for resolving
- * floating-point values which can produce unexpected results.
- *
- * @static
- * @memberOf _
- * @since 0.7.0
- * @category Number
- * @param {number} [lower=0] The lower bound.
- * @param {number} [upper=1] The upper bound.
- * @param {boolean} [floating] Specify returning a floating-point number.
- * @returns {number} Returns the random number.
- * @example
- *
- * _.random(0, 5);
- * // => an integer between 0 and 5
- *
- * _.random(5);
- * // => also an integer between 0 and 5
- *
- * _.random(5, true);
- * // => a floating-point number between 0 and 5
- *
- * _.random(1.2, 5.2);
- * // => a floating-point number between 1.2 and 5.2
- */
- function random(lower, upper, floating) {
- if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {
- upper = floating = undefined;
- }
- if (floating === undefined) {
- if (typeof upper == 'boolean') {
- floating = upper;
- upper = undefined;
- }
- else if (typeof lower == 'boolean') {
- floating = lower;
- lower = undefined;
- }
- }
- if (lower === undefined && upper === undefined) {
- lower = 0;
- upper = 1;
- }
- else {
- lower = toFinite(lower);
- if (upper === undefined) {
- upper = lower;
- lower = 0;
- } else {
- upper = toFinite(upper);
- }
- }
- if (lower > upper) {
- var temp = lower;
- lower = upper;
- upper = temp;
- }
- if (floating || lower % 1 || upper % 1) {
- var rand = nativeRandom();
- return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);
- }
- return baseRandom(lower, upper);
+ function corner(p, direction) {
+ return abs(p[0] - x0) < epsilon$2 ? direction > 0 ? 0 : 3
+ : abs(p[0] - x1) < epsilon$2 ? direction > 0 ? 2 : 1
+ : abs(p[1] - y0) < epsilon$2 ? direction > 0 ? 1 : 0
+ : direction > 0 ? 3 : 2; // abs(p[1] - y1) < epsilon
}
- /*------------------------------------------------------------------------*/
-
- /**
- * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to convert.
- * @returns {string} Returns the camel cased string.
- * @example
- *
- * _.camelCase('Foo Bar');
- * // => 'fooBar'
- *
- * _.camelCase('--foo-bar--');
- * // => 'fooBar'
- *
- * _.camelCase('__FOO_BAR__');
- * // => 'fooBar'
- */
- var camelCase = createCompounder(function(result, word, index) {
- word = word.toLowerCase();
- return result + (index ? capitalize(word) : word);
- });
-
- /**
- * Converts the first character of `string` to upper case and the remaining
- * to lower case.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to capitalize.
- * @returns {string} Returns the capitalized string.
- * @example
- *
- * _.capitalize('FRED');
- * // => 'Fred'
- */
- function capitalize(string) {
- return upperFirst(toString(string).toLowerCase());
+ function compareIntersection(a, b) {
+ return comparePoint(a.x, b.x);
}
- /**
- * Deburrs `string` by converting
- * [Latin-1 Supplement](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)
- * and [Latin Extended-A](https://en.wikipedia.org/wiki/Latin_Extended-A)
- * letters to basic Latin letters and removing
- * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to deburr.
- * @returns {string} Returns the deburred string.
- * @example
- *
- * _.deburr('déjà vu');
- * // => 'deja vu'
- */
- function deburr(string) {
- string = toString(string);
- return string && string.replace(reLatin, deburrLetter).replace(reComboMark, '');
+ 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];
}
- /**
- * Checks if `string` ends with the given target string.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to inspect.
- * @param {string} [target] The string to search for.
- * @param {number} [position=string.length] The position to search up to.
- * @returns {boolean} Returns `true` if `string` ends with `target`,
- * else `false`.
- * @example
- *
- * _.endsWith('abc', 'c');
- * // => true
- *
- * _.endsWith('abc', 'b');
- * // => false
- *
- * _.endsWith('abc', 'b', 2);
- * // => true
- */
- function endsWith(string, target, position) {
- string = toString(string);
- target = baseToString(target);
+ return function(stream) {
+ var activeStream = stream,
+ bufferStream = clipBuffer(),
+ segments,
+ polygon,
+ ring,
+ x__, y__, v__, // first point
+ x_, y_, v_, // previous point
+ first,
+ clean;
- var length = string.length;
- position = position === undefined
- ? length
- : baseClamp(toInteger(position), 0, length);
+ var clipStream = {
+ point: point,
+ lineStart: lineStart,
+ lineEnd: lineEnd,
+ polygonStart: polygonStart,
+ polygonEnd: polygonEnd
+ };
- var end = position;
- position -= target.length;
- return position >= 0 && string.slice(position, end) == target;
- }
+ function point(x, y) {
+ if (visible(x, y)) activeStream.point(x, y);
+ }
- /**
- * Converts the characters "&", "<", ">", '"', and "'" in `string` to their
- * corresponding HTML entities.
- *
- * **Note:** No other characters are escaped. To escape additional
- * characters use a third-party library like [_he_](https://mths.be/he).
- *
- * Though the ">" character is escaped for symmetry, characters like
- * ">" and "/" don't need escaping in HTML and have no special meaning
- * unless they're part of a tag or unquoted attribute value. See
- * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)
- * (under "semi-related fun fact") for more details.
- *
- * When working with HTML you should always
- * [quote attribute values](http://wonko.com/post/html-escaping) to reduce
- * XSS vectors.
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category String
- * @param {string} [string=''] The string to escape.
- * @returns {string} Returns the escaped string.
- * @example
- *
- * _.escape('fred, barney, & pebbles');
- * // => 'fred, barney, & pebbles'
- */
- function escape(string) {
- string = toString(string);
- return (string && reHasUnescapedHtml.test(string))
- ? string.replace(reUnescapedHtml, escapeHtmlChar)
- : string;
- }
-
- /**
- * Escapes the `RegExp` special characters "^", "$", "\", ".", "*", "+",
- * "?", "(", ")", "[", "]", "{", "}", and "|" in `string`.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to escape.
- * @returns {string} Returns the escaped string.
- * @example
- *
- * _.escapeRegExp('[lodash](https://lodash.com/)');
- * // => '\[lodash\]\(https://lodash\.com/\)'
- */
- function escapeRegExp(string) {
- string = toString(string);
- return (string && reHasRegExpChar.test(string))
- ? string.replace(reRegExpChar, '\\$&')
- : string;
- }
-
- /**
- * Converts `string` to
- * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to convert.
- * @returns {string} Returns the kebab cased string.
- * @example
- *
- * _.kebabCase('Foo Bar');
- * // => 'foo-bar'
- *
- * _.kebabCase('fooBar');
- * // => 'foo-bar'
- *
- * _.kebabCase('__FOO_BAR__');
- * // => 'foo-bar'
- */
- var kebabCase = createCompounder(function(result, word, index) {
- return result + (index ? '-' : '') + word.toLowerCase();
- });
+ function polygonInside() {
+ var winding = 0;
- /**
- * Converts `string`, as space separated words, to lower case.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category String
- * @param {string} [string=''] The string to convert.
- * @returns {string} Returns the lower cased string.
- * @example
- *
- * _.lowerCase('--Foo-Bar--');
- * // => 'foo bar'
- *
- * _.lowerCase('fooBar');
- * // => 'foo bar'
- *
- * _.lowerCase('__FOO_BAR__');
- * // => 'foo bar'
- */
- var lowerCase = createCompounder(function(result, word, index) {
- return result + (index ? ' ' : '') + word.toLowerCase();
- });
+ 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; }
+ }
+ }
- /**
- * Converts the first character of `string` to lower case.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category String
- * @param {string} [string=''] The string to convert.
- * @returns {string} Returns the converted string.
- * @example
- *
- * _.lowerFirst('Fred');
- * // => 'fred'
- *
- * _.lowerFirst('FRED');
- * // => 'fRED'
- */
- var lowerFirst = createCaseFirst('toLowerCase');
+ return winding;
+ }
- /**
- * Pads `string` on the left and right sides if it's shorter than `length`.
- * Padding characters are truncated if they can't be evenly divided by `length`.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to pad.
- * @param {number} [length=0] The padding length.
- * @param {string} [chars=' '] The string used as padding.
- * @returns {string} Returns the padded string.
- * @example
- *
- * _.pad('abc', 8);
- * // => ' abc '
- *
- * _.pad('abc', 8, '_-');
- * // => '_-abc_-_'
- *
- * _.pad('abc', 3);
- * // => 'abc'
- */
- function pad(string, length, chars) {
- string = toString(string);
- length = toInteger(length);
+ // Buffer geometry within a polygon and then clip it en masse.
+ function polygonStart() {
+ activeStream = bufferStream, segments = [], polygon = [], clean = true;
+ }
- var strLength = length ? stringSize(string) : 0;
- if (!length || strLength >= length) {
- return string;
+ 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;
}
- var mid = (length - strLength) / 2;
- return (
- createPadding(nativeFloor(mid), chars) +
- string +
- createPadding(nativeCeil(mid), chars)
- );
- }
- /**
- * Pads `string` on the right side if it's shorter than `length`. Padding
- * characters are truncated if they exceed `length`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category String
- * @param {string} [string=''] The string to pad.
- * @param {number} [length=0] The padding length.
- * @param {string} [chars=' '] The string used as padding.
- * @returns {string} Returns the padded string.
- * @example
- *
- * _.padEnd('abc', 6);
- * // => 'abc '
- *
- * _.padEnd('abc', 6, '_-');
- * // => 'abc_-_'
- *
- * _.padEnd('abc', 3);
- * // => 'abc'
- */
- function padEnd(string, length, chars) {
- string = toString(string);
- length = toInteger(length);
+ function lineStart() {
+ clipStream.point = linePoint;
+ if (polygon) polygon.push(ring = []);
+ first = true;
+ v_ = false;
+ x_ = y_ = NaN;
+ }
- var strLength = length ? stringSize(string) : 0;
- return (length && strLength < length)
- ? (string + createPadding(length - strLength, chars))
- : string;
- }
+ // 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();
+ }
- /**
- * Pads `string` on the left side if it's shorter than `length`. Padding
- * characters are truncated if they exceed `length`.
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category String
- * @param {string} [string=''] The string to pad.
- * @param {number} [length=0] The padding length.
- * @param {string} [chars=' '] The string used as padding.
- * @returns {string} Returns the padded string.
- * @example
- *
- * _.padStart('abc', 6);
- * // => ' abc'
- *
- * _.padStart('abc', 6, '_-');
- * // => '_-_abc'
- *
- * _.padStart('abc', 3);
- * // => 'abc'
- */
- function padStart(string, length, chars) {
- string = toString(string);
- length = toInteger(length);
+ 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;
+ }
- var strLength = length ? stringSize(string) : 0;
- return (length && strLength < length)
- ? (createPadding(length - strLength, chars) + string)
- : string;
- }
+ return clipStream;
+ };
+ }
- /**
- * Converts `string` to an integer of the specified radix. If `radix` is
- * `undefined` or `0`, a `radix` of `10` is used unless `value` is a
- * hexadecimal, in which case a `radix` of `16` is used.
- *
- * **Note:** This method aligns with the
- * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.
- *
- * @static
- * @memberOf _
- * @since 1.1.0
- * @category String
- * @param {string} string The string to convert.
- * @param {number} [radix=10] The radix to interpret `value` by.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {number} Returns the converted integer.
- * @example
- *
- * _.parseInt('08');
- * // => 8
- *
- * _.map(['6', '08', '10'], _.parseInt);
- * // => [6, 8, 10]
- */
- function parseInt(string, radix, guard) {
- if (guard || radix == null) {
- radix = 0;
- } else if (radix) {
- radix = +radix;
- }
- return nativeParseInt(toString(string).replace(reTrimStart, ''), radix || 0);
- }
+ function extent$1() {
+ var x0 = 0,
+ y0 = 0,
+ x1 = 960,
+ y1 = 500,
+ cache,
+ cacheStream,
+ clip;
- /**
- * Repeats the given string `n` times.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to repeat.
- * @param {number} [n=1] The number of times to repeat the string.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {string} Returns the repeated string.
- * @example
- *
- * _.repeat('*', 3);
- * // => '***'
- *
- * _.repeat('abc', 2);
- * // => 'abcabc'
- *
- * _.repeat('abc', 0);
- * // => ''
- */
- function repeat(string, n, guard) {
- if ((guard ? isIterateeCall(string, n, guard) : n === undefined)) {
- n = 1;
- } else {
- n = toInteger(n);
+ return clip = {
+ stream: function(stream) {
+ return cache && cacheStream === stream ? cache : cache = clipRectangle(x0, y0, x1, y1)(cacheStream = stream);
+ },
+ extent: function(_) {
+ return arguments.length ? (x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1], cache = cacheStream = null, clip) : [[x0, y0], [x1, y1]];
}
- return baseRepeat(toString(string), n);
- }
+ };
+ }
- /**
- * Replaces matches for `pattern` in `string` with `replacement`.
- *
- * **Note:** This method is based on
- * [`String#replace`](https://mdn.io/String/replace).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category String
- * @param {string} [string=''] The string to modify.
- * @param {RegExp|string} pattern The pattern to replace.
- * @param {Function|string} replacement The match replacement.
- * @returns {string} Returns the modified string.
- * @example
- *
- * _.replace('Hi Fred', 'Fred', 'Barney');
- * // => 'Hi Barney'
- */
- function replace() {
- var args = arguments,
- string = toString(args[0]);
+ var lengthSum = adder(),
+ lambda0$2,
+ sinPhi0$1,
+ cosPhi0$1;
- return args.length < 3 ? string : string.replace(args[1], args[2]);
- }
+ var lengthStream = {
+ sphere: noop$1,
+ point: noop$1,
+ lineStart: lengthLineStart,
+ lineEnd: noop$1,
+ polygonStart: noop$1,
+ polygonEnd: noop$1
+ };
- /**
- * Converts `string` to
- * [snake case](https://en.wikipedia.org/wiki/Snake_case).
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to convert.
- * @returns {string} Returns the snake cased string.
- * @example
- *
- * _.snakeCase('Foo Bar');
- * // => 'foo_bar'
- *
- * _.snakeCase('fooBar');
- * // => 'foo_bar'
- *
- * _.snakeCase('--FOO-BAR--');
- * // => 'foo_bar'
- */
- var snakeCase = createCompounder(function(result, word, index) {
- return result + (index ? '_' : '') + word.toLowerCase();
- });
+ function lengthLineStart() {
+ lengthStream.point = lengthPointFirst;
+ lengthStream.lineEnd = lengthLineEnd;
+ }
- /**
- * Splits `string` by `separator`.
- *
- * **Note:** This method is based on
- * [`String#split`](https://mdn.io/String/split).
- *
- * @static
- * @memberOf _
- * @since 4.0.0
- * @category String
- * @param {string} [string=''] The string to split.
- * @param {RegExp|string} separator The separator pattern to split by.
- * @param {number} [limit] The length to truncate results to.
- * @returns {Array} Returns the string segments.
- * @example
- *
- * _.split('a-b-c', '-', 2);
- * // => ['a', 'b']
- */
- function split(string, separator, limit) {
- if (limit && typeof limit != 'number' && isIterateeCall(string, separator, limit)) {
- separator = limit = undefined;
- }
- limit = limit === undefined ? MAX_ARRAY_LENGTH : limit >>> 0;
- if (!limit) {
- return [];
- }
- string = toString(string);
- if (string && (
- typeof separator == 'string' ||
- (separator != null && !isRegExp(separator))
- )) {
- separator = baseToString(separator);
- if (!separator && hasUnicode(string)) {
- return castSlice(stringToArray(string), 0, limit);
- }
- }
- return string.split(separator, limit);
- }
+ function lengthLineEnd() {
+ lengthStream.point = lengthStream.lineEnd = noop$1;
+ }
- /**
- * Converts `string` to
- * [start case](https://en.wikipedia.org/wiki/Letter_case#Stylistic_or_specialised_usage).
- *
- * @static
- * @memberOf _
- * @since 3.1.0
- * @category String
- * @param {string} [string=''] The string to convert.
- * @returns {string} Returns the start cased string.
- * @example
- *
- * _.startCase('--foo-bar--');
- * // => 'Foo Bar'
- *
- * _.startCase('fooBar');
- * // => 'Foo Bar'
- *
- * _.startCase('__FOO_BAR__');
- * // => 'FOO BAR'
- */
- var startCase = createCompounder(function(result, word, index) {
- return result + (index ? ' ' : '') + upperFirst(word);
- });
+ function lengthPointFirst(lambda, phi) {
+ lambda *= radians, phi *= radians;
+ lambda0$2 = lambda, sinPhi0$1 = sin$1(phi), cosPhi0$1 = cos$1(phi);
+ lengthStream.point = lengthPoint;
+ }
- /**
- * Checks if `string` starts with the given target string.
- *
- * @static
- * @memberOf _
- * @since 3.0.0
- * @category String
- * @param {string} [string=''] The string to inspect.
- * @param {string} [target] The string to search for.
- * @param {number} [position=0] The position to search from.
- * @returns {boolean} Returns `true` if `string` starts with `target`,
- * else `false`.
- * @example
- *
- * _.startsWith('abc', 'a');
- * // => true
- *
- * _.startsWith('abc', 'b');
- * // => false
- *
- * _.startsWith('abc', 'b', 1);
- * // => true
- */
- function startsWith(string, target, position) {
- string = toString(string);
- position = baseClamp(toInteger(position), 0, string.length);
- target = baseToString(target);
- return string.slice(position, position + target.length) == target;
- }
+ function lengthPoint(lambda, phi) {
+ lambda *= radians, phi *= radians;
+ var sinPhi = sin$1(phi),
+ cosPhi = cos$1(phi),
+ delta = abs(lambda - lambda0$2),
+ cosDelta = cos$1(delta),
+ sinDelta = sin$1(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;
+ }
- /**
- * Creates a compiled template function that can interpolate data properties
- * in "interpolate" delimiters, HTML-escape interpolated data properties in
- * "escape" delimiters, and execute JavaScript in "evaluate" delimiters. Data
- * properties may be accessed as free variables in the template. If a setting
- * object is given, it takes precedence over `_.templateSettings` values.
- *
- * **Note:** In the development build `_.template` utilizes
- * [sourceURLs](http://www.html5rocks.com/en/tutorials/developertools/sourcemaps/#toc-sourceurl)
- * for easier debugging.
- *
- * For more information on precompiling templates see
- * [lodash's custom builds documentation](https://lodash.com/custom-builds).
- *
- * For more information on Chrome extension sandboxes see
- * [Chrome's extensions documentation](https://developer.chrome.com/extensions/sandboxingEval).
- *
- * @static
- * @since 0.1.0
- * @memberOf _
- * @category String
- * @param {string} [string=''] The template string.
- * @param {Object} [options={}] The options object.
- * @param {RegExp} [options.escape=_.templateSettings.escape]
- * The HTML "escape" delimiter.
- * @param {RegExp} [options.evaluate=_.templateSettings.evaluate]
- * The "evaluate" delimiter.
- * @param {Object} [options.imports=_.templateSettings.imports]
- * An object to import into the template as free variables.
- * @param {RegExp} [options.interpolate=_.templateSettings.interpolate]
- * The "interpolate" delimiter.
- * @param {string} [options.sourceURL='lodash.templateSources[n]']
- * The sourceURL of the compiled template.
- * @param {string} [options.variable='obj']
- * The data object variable name.
- * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.
- * @returns {Function} Returns the compiled template function.
- * @example
- *
- * // Use the "interpolate" delimiter to create a compiled template.
- * var compiled = _.template('hello <%= user %>!');
- * compiled({ 'user': 'fred' });
- * // => 'hello fred!'
- *
- * // Use the HTML "escape" delimiter to escape data property values.
- * var compiled = _.template('<%- value %>');
- * compiled({ 'value': '