- var setDescriptor;
- var id = 0;
- var random = '' + Math.random();
- var prefix = '__\x01symbol:';
- var prefixLength = prefix.length;
- var internalSymbol = '__\x01symbol@@' + random;
- var DP = 'defineProperty';
- var DPies = 'defineProperties';
- var GOPN = 'getOwnPropertyNames';
- var GOPD = 'getOwnPropertyDescriptor';
- var PIE = 'propertyIsEnumerable';
- var ObjectProto = Object.prototype;
- var hOP = ObjectProto.hasOwnProperty;
- var pIE = ObjectProto[PIE];
- var toString = ObjectProto.toString;
- var concat = Array.prototype.concat;
- var cachedWindowNames = typeof window === 'object' ? Object.getOwnPropertyNames(window) : [];
- var nGOPN = Object[GOPN];
- var gOPN = function getOwnPropertyNames (obj) {
- if (toString.call(obj) === '[object Window]') {
- try {
- return nGOPN(obj);
- } catch (e) {
- // IE bug where layout engine calls userland gOPN for cross-domain `window` objects
- return concat.call([], cachedWindowNames);
- }
- }
- return nGOPN(obj);
- };
- var gOPD = Object[GOPD];
- var create = Object.create;
- var keys = Object.keys;
- var freeze = Object.freeze || Object;
- var defineProperty = Object[DP];
- var $defineProperties = Object[DPies];
- var descriptor = gOPD(Object, GOPN);
- var addInternalIfNeeded = function (o, uid, enumerable) {
- if (!hOP.call(o, internalSymbol)) {
- try {
- defineProperty(o, internalSymbol, {
- enumerable: false,
- configurable: false,
- writable: false,
- value: {}
- });
- } catch (e) {
- o[internalSymbol] = {};
- }
- }
- o[internalSymbol]['@@' + uid] = enumerable;
- };
- var createWithSymbols = function (proto, descriptors) {
- var self = create(proto);
- gOPN(descriptors).forEach(function (key) {
- if (propertyIsEnumerable.call(descriptors, key)) {
- $defineProperty(self, key, descriptors[key]);
- }
- });
- return self;
- };
- var copyAsNonEnumerable = function (descriptor) {
- var newDescriptor = create(descriptor);
- newDescriptor.enumerable = false;
- return newDescriptor;
- };
- var get = function get(){};
- var onlyNonSymbols = function (name) {
- return name != internalSymbol &&
- !hOP.call(source, name);
- };
- var onlySymbols = function (name) {
- return name != internalSymbol &&
- hOP.call(source, name);
- };
- var propertyIsEnumerable = function propertyIsEnumerable(key) {
- var uid = '' + key;
- return onlySymbols(uid) ? (
- hOP.call(this, uid) &&
- this[internalSymbol]['@@' + uid]
- ) : pIE.call(this, key);
- };
- var setAndGetSymbol = function (uid) {
- var descriptor = {
- enumerable: false,
- configurable: true,
- get: get,
- set: function (value) {
- setDescriptor(this, uid, {
- enumerable: false,
- configurable: true,
- writable: true,
- value: value
- });
- addInternalIfNeeded(this, uid, true);
- }
- };
- try {
- defineProperty(ObjectProto, uid, descriptor);
- } catch (e) {
- ObjectProto[uid] = descriptor.value;
- }
- return freeze(source[uid] = defineProperty(
- Object(uid),
- 'constructor',
- sourceConstructor
- ));
- };
- var Symbol = function Symbol() {
- var description = arguments[0];
- if (this instanceof Symbol) {
- throw new TypeError('Symbol is not a constructor');
- }
- return setAndGetSymbol(
- prefix.concat(description || '', random, ++id)
- );
- };
- var source = create(null);
- var sourceConstructor = {value: Symbol};
- var sourceMap = function (uid) {
- return source[uid];
- };
- var $defineProperty = function defineProp(o, key, descriptor) {
- var uid = '' + key;
- if (onlySymbols(uid)) {
- setDescriptor(o, uid, descriptor.enumerable ?
- copyAsNonEnumerable(descriptor) : descriptor);
- addInternalIfNeeded(o, uid, !!descriptor.enumerable);
- } else {
- defineProperty(o, key, descriptor);
- }
- return o;
- };
+ var o = ToObject(this);
+ var lenVal = o.length;
+ var len = ToUint32(lenVal);
+ len = max(len, 0);
+ var relativeTarget = ToInt32(target);
+ var to;
+ if (relativeTarget < 0)
+ to = max(len + relativeTarget, 0);
+ else
+ to = min(relativeTarget, len);
+ var relativeStart = ToInt32(start);
+ var from;
+ if (relativeStart < 0)
+ from = max(len + relativeStart, 0);
+ else
+ from = min(relativeStart, len);
+ var relativeEnd;
+ if (end === undefined)
+ relativeEnd = len;
+ else
+ relativeEnd = ToInt32(end);
+ var final;
+ if (relativeEnd < 0)
+ final = max(len + relativeEnd, 0);
+ else
+ final = min(relativeEnd, len);
+ var count = min(final - from, len - to);
+ var direction;
+ if (from < to && to < from + count) {
+ direction = -1;
+ from = from + count - 1;
+ to = to + count - 1;
+ } else {
+ direction = 1;
+ }
+ while (count > 0) {
+ o._setter(to, o._getter(from));
+ from = from + direction;
+ to = to + direction;
+ count = count - 1;
+ }
+ return o;
+ }});
+
+ // %TypedArray%.prototype.entries ( )
+ // -- defined in es6.js to shim browsers w/ native TypedArrays
+
+ // %TypedArray%.prototype.every ( callbackfn, thisArg = undefined )
+ Object.defineProperty($TypedArray$.prototype, 'every', {value: function(callbackfn) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (!IsCallable(callbackfn)) throw TypeError();
+ var thisArg = arguments[1];
+ for (var i = 0; i < len; i++) {
+ if (!callbackfn.call(thisArg, t._getter(i), i, t))
+ return false;
+ }
+ return true;
+ }});
+
+ // %TypedArray%.prototype.fill (value, start = 0, end = this.length )
+ Object.defineProperty($TypedArray$.prototype, 'fill', {value: function(value) {
+ var start = arguments[1],
+ end = arguments[2];
+
+ var o = ToObject(this);
+ var lenVal = o.length;
+ var len = ToUint32(lenVal);
+ len = max(len, 0);
+ var relativeStart = ToInt32(start);
+ var k;
+ if (relativeStart < 0)
+ k = max((len + relativeStart), 0);
+ else
+ k = min(relativeStart, len);
+ var relativeEnd;
+ if (end === undefined)
+ relativeEnd = len;
+ else
+ relativeEnd = ToInt32(end);
+ var final;
+ if (relativeEnd < 0)
+ final = max((len + relativeEnd), 0);
+ else
+ final = min(relativeEnd, len);
+ while (k < final) {
+ o._setter(k, value);
+ k += 1;
+ }
+ return o;
+ }});
+
+ // %TypedArray%.prototype.filter ( callbackfn, thisArg = undefined )
+ Object.defineProperty($TypedArray$.prototype, 'filter', {value: function(callbackfn) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (!IsCallable(callbackfn)) throw TypeError();
+ var res = [];
+ var thisp = arguments[1];
+ for (var i = 0; i < len; i++) {
+ var val = t._getter(i); // in case fun mutates this
+ if (callbackfn.call(thisp, val, i, t))
+ res.push(val);
+ }
+ return new this.constructor(res);
+ }});
+
+ // %TypedArray%.prototype.find (predicate, thisArg = undefined)
+ Object.defineProperty($TypedArray$.prototype, 'find', {value: function(predicate) {
+ var o = ToObject(this);
+ var lenValue = o.length;
+ var len = ToUint32(lenValue);
+ if (!IsCallable(predicate)) throw TypeError();
+ var t = arguments.length > 1 ? arguments[1] : undefined;
+ var k = 0;
+ while (k < len) {
+ var kValue = o._getter(k);
+ var testResult = predicate.call(t, kValue, k, o);
+ if (Boolean(testResult))
+ return kValue;
+ ++k;
+ }
+ return undefined;
+ }});
+
+ // %TypedArray%.prototype.findIndex ( predicate, thisArg = undefined )
+ Object.defineProperty($TypedArray$.prototype, 'findIndex', {value: function(predicate) {
+ var o = ToObject(this);
+ var lenValue = o.length;
+ var len = ToUint32(lenValue);
+ if (!IsCallable(predicate)) throw TypeError();
+ var t = arguments.length > 1 ? arguments[1] : undefined;
+ var k = 0;
+ while (k < len) {
+ var kValue = o._getter(k);
+ var testResult = predicate.call(t, kValue, k, o);
+ if (Boolean(testResult))
+ return k;
+ ++k;
+ }
+ return -1;
+ }});
+
+ // %TypedArray%.prototype.forEach ( callbackfn, thisArg = undefined )
+ Object.defineProperty($TypedArray$.prototype, 'forEach', {value: function(callbackfn) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (!IsCallable(callbackfn)) throw TypeError();
+ var thisp = arguments[1];
+ for (var i = 0; i < len; i++)
+ callbackfn.call(thisp, t._getter(i), i, t);
+ }});
+
+ // %TypedArray%.prototype.indexOf (searchElement, fromIndex = 0 )
+ Object.defineProperty($TypedArray$.prototype, 'indexOf', {value: function(searchElement) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (len === 0) return -1;
+ var n = 0;
+ if (arguments.length > 0) {
+ n = Number(arguments[1]);
+ if (n !== n) {
+ n = 0;
+ } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
+ n = (n > 0 || -1) * floor(abs(n));
+ }
+ }
+ if (n >= len) return -1;
+ var k = n >= 0 ? n : max(len - abs(n), 0);
+ for (; k < len; k++) {
+ if (t._getter(k) === searchElement) {
+ return k;
+ }
+ }
+ return -1;
+ }});
+
+ // %TypedArray%.prototype.join ( separator )
+ Object.defineProperty($TypedArray$.prototype, 'join', {value: function(separator) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ var tmp = Array(len);
+ for (var i = 0; i < len; ++i)
+ tmp[i] = t._getter(i);
+ return tmp.join(separator === undefined ? ',' : separator); // Hack for IE7
+ }});
+
+ // %TypedArray%.prototype.keys ( )
+ // -- defined in es6.js to shim browsers w/ native TypedArrays
+
+ // %TypedArray%.prototype.lastIndexOf ( searchElement, fromIndex = this.length-1 )
+ Object.defineProperty($TypedArray$.prototype, 'lastIndexOf', {value: function(searchElement) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (len === 0) return -1;
+ var n = len;
+ if (arguments.length > 1) {
+ n = Number(arguments[1]);
+ if (n !== n) {
+ n = 0;
+ } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
+ n = (n > 0 || -1) * floor(abs(n));
+ }
+ }
+ var k = n >= 0 ? min(n, len - 1) : len - abs(n);
+ for (; k >= 0; k--) {
+ if (t._getter(k) === searchElement)
+ return k;
+ }
+ return -1;
+ }});
+
+ // get %TypedArray%.prototype.length
+ // -- applied directly to the object in the constructor
+
+ // %TypedArray%.prototype.map ( callbackfn, thisArg = undefined )
+ Object.defineProperty($TypedArray$.prototype, 'map', {value: function(callbackfn) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (!IsCallable(callbackfn)) throw TypeError();
+ var res = []; res.length = len;
+ var thisp = arguments[1];
+ for (var i = 0; i < len; i++)
+ res[i] = callbackfn.call(thisp, t._getter(i), i, t);
+ return new this.constructor(res);
+ }});
+
+ // %TypedArray%.prototype.reduce ( callbackfn [, initialValue] )
+ Object.defineProperty($TypedArray$.prototype, 'reduce', {value: function(callbackfn) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (!IsCallable(callbackfn)) throw TypeError();
+ // no value to return if no initial value and an empty array
+ if (len === 0 && arguments.length === 1) throw TypeError();
+ var k = 0;
+ var accumulator;
+ if (arguments.length >= 2) {
+ accumulator = arguments[1];
+ } else {
+ accumulator = t._getter(k++);
+ }
+ while (k < len) {
+ accumulator = callbackfn.call(undefined, accumulator, t._getter(k), k, t);
+ k++;
+ }
+ return accumulator;
+ }});
+
+ // %TypedArray%.prototype.reduceRight ( callbackfn [, initialValue] )
+ Object.defineProperty($TypedArray$.prototype, 'reduceRight', {value: function(callbackfn) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (!IsCallable(callbackfn)) throw TypeError();
+ // no value to return if no initial value, empty array
+ if (len === 0 && arguments.length === 1) throw TypeError();
+ var k = len - 1;
+ var accumulator;
+ if (arguments.length >= 2) {
+ accumulator = arguments[1];
+ } else {
+ accumulator = t._getter(k--);
+ }
+ while (k >= 0) {
+ accumulator = callbackfn.call(undefined, accumulator, t._getter(k), k, t);
+ k--;
+ }
+ return accumulator;
+ }});
+
+ // %TypedArray%.prototype.reverse ( )
+ Object.defineProperty($TypedArray$.prototype, 'reverse', {value: function() {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ var half = floor(len / 2);
+ for (var i = 0, j = len - 1; i < half; ++i, --j) {
+ var tmp = t._getter(i);
+ t._setter(i, t._getter(j));
+ t._setter(j, tmp);
+ }
+ return t;
+ }});
+
+ // %TypedArray%.prototype.set(array, offset = 0 )
+ // %TypedArray%.prototype.set(typedArray, offset = 0 )
+ // WebIDL: void set(TypedArray array, optional unsigned long offset);
+ // WebIDL: void set(sequence<type> array, optional unsigned long offset);
+ Object.defineProperty($TypedArray$.prototype, 'set', {value: function(index, value) {
+ if (arguments.length < 1) throw SyntaxError('Not enough arguments');
+ var array, sequence, offset, len,
+ i, s, d,
+ byteOffset, byteLength, tmp;
+
+ if (typeof arguments[0] === 'object' && arguments[0].constructor === this.constructor) {
+ // void set(TypedArray array, optional unsigned long offset);
+ array = arguments[0];
+ offset = ToUint32(arguments[1]);
+
+ if (offset + array.length > this.length) {
+ throw RangeError('Offset plus length of array is out of range');
+ }
+
+ byteOffset = this.byteOffset + offset * this.BYTES_PER_ELEMENT;
+ byteLength = array.length * this.BYTES_PER_ELEMENT;
+
+ if (array.buffer === this.buffer) {
+ tmp = [];
+ for (i = 0, s = array.byteOffset; i < byteLength; i += 1, s += 1) {
+ tmp[i] = array.buffer._bytes[s];
+ }
+ for (i = 0, d = byteOffset; i < byteLength; i += 1, d += 1) {
+ this.buffer._bytes[d] = tmp[i];
+ }
+ } else {
+ for (i = 0, s = array.byteOffset, d = byteOffset;
+ i < byteLength; i += 1, s += 1, d += 1) {
+ this.buffer._bytes[d] = array.buffer._bytes[s];
+ }
+ }
+ } else if (typeof arguments[0] === 'object' && typeof arguments[0].length !== 'undefined') {
+ // void set(sequence<type> array, optional unsigned long offset);
+ sequence = arguments[0];
+ len = ToUint32(sequence.length);
+ offset = ToUint32(arguments[1]);
+
+ if (offset + len > this.length) {
+ throw RangeError('Offset plus length of array is out of range');
+ }
+
+ for (i = 0; i < len; i += 1) {
+ s = sequence[i];
+ this._setter(offset + i, Number(s));
+ }
+ } else {
+ throw TypeError('Unexpected argument type(s)');
+ }
+ }});
+
+ // %TypedArray%.prototype.slice ( start, end )
+ Object.defineProperty($TypedArray$.prototype, 'slice', {value: function(start, end) {
+ var o = ToObject(this);
+ var lenVal = o.length;
+ var len = ToUint32(lenVal);
+ var relativeStart = ToInt32(start);
+ var k = (relativeStart < 0) ? max(len + relativeStart, 0) : min(relativeStart, len);
+ var relativeEnd = (end === undefined) ? len : ToInt32(end);
+ var final = (relativeEnd < 0) ? max(len + relativeEnd, 0) : min(relativeEnd, len);
+ var count = final - k;
+ var c = o.constructor;
+ var a = new c(count);
+ var n = 0;
+ while (k < final) {
+ var kValue = o._getter(k);
+ a._setter(n, kValue);
+ ++k;
+ ++n;
+ }
+ return a;
+ }});
+
+ // %TypedArray%.prototype.some ( callbackfn, thisArg = undefined )
+ Object.defineProperty($TypedArray$.prototype, 'some', {value: function(callbackfn) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ if (!IsCallable(callbackfn)) throw TypeError();
+ var thisp = arguments[1];
+ for (var i = 0; i < len; i++) {
+ if (callbackfn.call(thisp, t._getter(i), i, t)) {
+ return true;
+ }
+ }
+ return false;
+ }});
+
+ // %TypedArray%.prototype.sort ( comparefn )
+ Object.defineProperty($TypedArray$.prototype, 'sort', {value: function(comparefn) {
+ if (this === undefined || this === null) throw TypeError();
+ var t = Object(this);
+ var len = ToUint32(t.length);
+ var tmp = Array(len);
+ for (var i = 0; i < len; ++i)
+ tmp[i] = t._getter(i);
+ function sortCompare(x, y) {
+ if (x !== x && y !== y) return +0;
+ if (x !== x) return 1;
+ if (y !== y) return -1;
+ if (comparefn !== undefined) {
+ return comparefn(x, y);
+ }
+ if (x < y) return -1;
+ if (x > y) return 1;
+ return +0;
+ }
+ tmp.sort(sortCompare);
+ for (i = 0; i < len; ++i)
+ t._setter(i, tmp[i]);
+ return t;
+ }});
projects / rails.git / blobdiff