--- /dev/null
+/*!
+ * https://github.com/es-shims/es5-shim
+ * @license es5-shim Copyright 2009-2015 by contributors, MIT License
+ * see https://github.com/es-shims/es5-shim/blob/master/LICENSE
+ */
+
+// vim: ts=4 sts=4 sw=4 expandtab
+
+// Add semicolon to prevent IIFE from being passed as argument to concatenated code.
+;
+
+// UMD (Universal Module Definition)
+// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js
+(function (root, factory) {
+ 'use strict';
+
+ /* global define, exports, module */
+ if (typeof define === 'function' && define.amd) {
+ // AMD. Register as an anonymous module.
+ define(factory);
+ } else if (typeof exports === 'object') {
+ // Node. Does not work with strict CommonJS, but
+ // only CommonJS-like enviroments that support module.exports,
+ // like Node.
+ module.exports = factory();
+ } else {
+ // Browser globals (root is window)
+ root.returnExports = factory();
+ }
+}(this, function () {
+ /**
+ * Brings an environment as close to ECMAScript 5 compliance
+ * as is possible with the facilities of erstwhile engines.
+ *
+ * Annotated ES5: http://es5.github.com/ (specific links below)
+ * ES5 Spec: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
+ * Required reading: http://javascriptweblog.wordpress.com/2011/12/05/extending-javascript-natives/
+ */
+
+ // Shortcut to an often accessed properties, in order to avoid multiple
+ // dereference that costs universally. This also holds a reference to known-good
+ // functions.
+ var $Array = Array;
+ var ArrayPrototype = $Array.prototype;
+ var $Object = Object;
+ var ObjectPrototype = $Object.prototype;
+ var $Function = Function;
+ var FunctionPrototype = $Function.prototype;
+ var $String = String;
+ var StringPrototype = $String.prototype;
+ var $Number = Number;
+ var NumberPrototype = $Number.prototype;
+ var array_slice = ArrayPrototype.slice;
+ var array_splice = ArrayPrototype.splice;
+ var array_push = ArrayPrototype.push;
+ var array_unshift = ArrayPrototype.unshift;
+ var array_concat = ArrayPrototype.concat;
+ var array_join = ArrayPrototype.join;
+ var call = FunctionPrototype.call;
+ var apply = FunctionPrototype.apply;
+ var max = Math.max;
+ var min = Math.min;
+
+ // Having a toString local variable name breaks in Opera so use to_string.
+ var to_string = ObjectPrototype.toString;
+
+ /* global Symbol */
+ /* eslint-disable one-var-declaration-per-line, no-redeclare, max-statements-per-line */
+ var hasToStringTag = typeof Symbol === 'function' && typeof Symbol.toStringTag === 'symbol';
+ var isCallable; /* inlined from https://npmjs.com/is-callable */ var fnToStr = Function.prototype.toString, constructorRegex = /^\s*class /, isES6ClassFn = function isES6ClassFn(value) { try { var fnStr = fnToStr.call(value); var singleStripped = fnStr.replace(/\/\/.*\n/g, ''); var multiStripped = singleStripped.replace(/\/\*[.\s\S]*\*\//g, ''); var spaceStripped = multiStripped.replace(/\n/mg, ' ').replace(/ {2}/g, ' '); return constructorRegex.test(spaceStripped); } catch (e) { return false; /* not a function */ } }, tryFunctionObject = function tryFunctionObject(value) { try { if (isES6ClassFn(value)) { return false; } fnToStr.call(value); return true; } catch (e) { return false; } }, fnClass = '[object Function]', genClass = '[object GeneratorFunction]', isCallable = function isCallable(value) { if (!value) { return false; } if (typeof value !== 'function' && typeof value !== 'object') { return false; } if (hasToStringTag) { return tryFunctionObject(value); } if (isES6ClassFn(value)) { return false; } var strClass = to_string.call(value); return strClass === fnClass || strClass === genClass; };
+
+ var isRegex; /* inlined from https://npmjs.com/is-regex */ var regexExec = RegExp.prototype.exec, tryRegexExec = function tryRegexExec(value) { try { regexExec.call(value); return true; } catch (e) { return false; } }, regexClass = '[object RegExp]'; isRegex = function isRegex(value) { if (typeof value !== 'object') { return false; } return hasToStringTag ? tryRegexExec(value) : to_string.call(value) === regexClass; };
+ var isString; /* inlined from https://npmjs.com/is-string */ var strValue = String.prototype.valueOf, tryStringObject = function tryStringObject(value) { try { strValue.call(value); return true; } catch (e) { return false; } }, stringClass = '[object String]'; isString = function isString(value) { if (typeof value === 'string') { return true; } if (typeof value !== 'object') { return false; } return hasToStringTag ? tryStringObject(value) : to_string.call(value) === stringClass; };
+ /* eslint-enable one-var-declaration-per-line, no-redeclare, max-statements-per-line */
+
+ /* inlined from http://npmjs.com/define-properties */
+ var supportsDescriptors = $Object.defineProperty && (function () {
+ try {
+ var obj = {};
+ $Object.defineProperty(obj, 'x', { enumerable: false, value: obj });
+ for (var _ in obj) { // jscs:ignore disallowUnusedVariables
+ return false;
+ }
+ return obj.x === obj;
+ } catch (e) { /* this is ES3 */
+ return false;
+ }
+ }());
+ var defineProperties = (function (has) {
+ // Define configurable, writable, and non-enumerable props
+ // if they don't exist.
+ var defineProperty;
+ if (supportsDescriptors) {
+ defineProperty = function (object, name, method, forceAssign) {
+ if (!forceAssign && (name in object)) {
+ return;
+ }
+ $Object.defineProperty(object, name, {
+ configurable: true,
+ enumerable: false,
+ writable: true,
+ value: method
+ });
+ };
+ } else {
+ defineProperty = function (object, name, method, forceAssign) {
+ if (!forceAssign && (name in object)) {
+ return;
+ }
+ object[name] = method;
+ };
+ }
+ return function defineProperties(object, map, forceAssign) {
+ for (var name in map) {
+ if (has.call(map, name)) {
+ defineProperty(object, name, map[name], forceAssign);
+ }
+ }
+ };
+ }(ObjectPrototype.hasOwnProperty));
+
+ //
+ // Util
+ // ======
+ //
+
+ /* replaceable with https://npmjs.com/package/es-abstract /helpers/isPrimitive */
+ var isPrimitive = function isPrimitive(input) {
+ var type = typeof input;
+ return input === null || (type !== 'object' && type !== 'function');
+ };
+
+ var isActualNaN = $Number.isNaN || function isActualNaN(x) {
+ return x !== x;
+ };
+
+ var ES = {
+ // ES5 9.4
+ // http://es5.github.com/#x9.4
+ // http://jsperf.com/to-integer
+ /* replaceable with https://npmjs.com/package/es-abstract ES5.ToInteger */
+ ToInteger: function ToInteger(num) {
+ var n = +num;
+ if (isActualNaN(n)) {
+ n = 0;
+ } else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
+ n = (n > 0 || -1) * Math.floor(Math.abs(n));
+ }
+ return n;
+ },
+
+ /* replaceable with https://npmjs.com/package/es-abstract ES5.ToPrimitive */
+ ToPrimitive: function ToPrimitive(input) {
+ var val, valueOf, toStr;
+ if (isPrimitive(input)) {
+ return input;
+ }
+ valueOf = input.valueOf;
+ if (isCallable(valueOf)) {
+ val = valueOf.call(input);
+ if (isPrimitive(val)) {
+ return val;
+ }
+ }
+ toStr = input.toString;
+ if (isCallable(toStr)) {
+ val = toStr.call(input);
+ if (isPrimitive(val)) {
+ return val;
+ }
+ }
+ throw new TypeError();
+ },
+
+ // ES5 9.9
+ // http://es5.github.com/#x9.9
+ /* replaceable with https://npmjs.com/package/es-abstract ES5.ToObject */
+ ToObject: function (o) {
+ if (o == null) { // this matches both null and undefined
+ throw new TypeError("can't convert " + o + ' to object');
+ }
+ return $Object(o);
+ },
+
+ /* replaceable with https://npmjs.com/package/es-abstract ES5.ToUint32 */
+ ToUint32: function ToUint32(x) {
+ return x >>> 0;
+ }
+ };
+
+ //
+ // Function
+ // ========
+ //
+
+ // ES-5 15.3.4.5
+ // http://es5.github.com/#x15.3.4.5
+
+ var Empty = function Empty() {};
+
+ defineProperties(FunctionPrototype, {
+ bind: function bind(that) { // .length is 1
+ // 1. Let Target be the this value.
+ var target = this;
+ // 2. If IsCallable(Target) is false, throw a TypeError exception.
+ if (!isCallable(target)) {
+ throw new TypeError('Function.prototype.bind called on incompatible ' + target);
+ }
+ // 3. Let A be a new (possibly empty) internal list of all of the
+ // argument values provided after thisArg (arg1, arg2 etc), in order.
+ // XXX slicedArgs will stand in for "A" if used
+ var args = array_slice.call(arguments, 1); // for normal call
+ // 4. Let F be a new native ECMAScript object.
+ // 11. Set the [[Prototype]] internal property of F to the standard
+ // built-in Function prototype object as specified in 15.3.3.1.
+ // 12. Set the [[Call]] internal property of F as described in
+ // 15.3.4.5.1.
+ // 13. Set the [[Construct]] internal property of F as described in
+ // 15.3.4.5.2.
+ // 14. Set the [[HasInstance]] internal property of F as described in
+ // 15.3.4.5.3.
+ var bound;
+ var binder = function () {
+
+ if (this instanceof bound) {
+ // 15.3.4.5.2 [[Construct]]
+ // When the [[Construct]] internal method of a function object,
+ // F that was created using the bind function is called with a
+ // list of arguments ExtraArgs, the following steps are taken:
+ // 1. Let target be the value of F's [[TargetFunction]]
+ // internal property.
+ // 2. If target has no [[Construct]] internal method, a
+ // TypeError exception is thrown.
+ // 3. Let boundArgs be the value of F's [[BoundArgs]] internal
+ // property.
+ // 4. Let args be a new list containing the same values as the
+ // list boundArgs in the same order followed by the same
+ // values as the list ExtraArgs in the same order.
+ // 5. Return the result of calling the [[Construct]] internal
+ // method of target providing args as the arguments.
+
+ var result = apply.call(
+ target,
+ this,
+ array_concat.call(args, array_slice.call(arguments))
+ );
+ if ($Object(result) === result) {
+ return result;
+ }
+ return this;
+
+ } else {
+ // 15.3.4.5.1 [[Call]]
+ // When the [[Call]] internal method of a function object, F,
+ // which was created using the bind function is called with a
+ // this value and a list of arguments ExtraArgs, the following
+ // steps are taken:
+ // 1. Let boundArgs be the value of F's [[BoundArgs]] internal
+ // property.
+ // 2. Let boundThis be the value of F's [[BoundThis]] internal
+ // property.
+ // 3. Let target be the value of F's [[TargetFunction]] internal
+ // property.
+ // 4. Let args be a new list containing the same values as the
+ // list boundArgs in the same order followed by the same
+ // values as the list ExtraArgs in the same order.
+ // 5. Return the result of calling the [[Call]] internal method
+ // of target providing boundThis as the this value and
+ // providing args as the arguments.
+
+ // equiv: target.call(this, ...boundArgs, ...args)
+ return apply.call(
+ target,
+ that,
+ array_concat.call(args, array_slice.call(arguments))
+ );
+
+ }
+
+ };
+
+ // 15. If the [[Class]] internal property of Target is "Function", then
+ // a. Let L be the length property of Target minus the length of A.
+ // b. Set the length own property of F to either 0 or L, whichever is
+ // larger.
+ // 16. Else set the length own property of F to 0.
+
+ var boundLength = max(0, target.length - args.length);
+
+ // 17. Set the attributes of the length own property of F to the values
+ // specified in 15.3.5.1.
+ var boundArgs = [];
+ for (var i = 0; i < boundLength; i++) {
+ array_push.call(boundArgs, '$' + i);
+ }
+
+ // XXX Build a dynamic function with desired amount of arguments is the only
+ // way to set the length property of a function.
+ // In environments where Content Security Policies enabled (Chrome extensions,
+ // for ex.) all use of eval or Function costructor throws an exception.
+ // However in all of these environments Function.prototype.bind exists
+ // and so this code will never be executed.
+ bound = $Function('binder', 'return function (' + array_join.call(boundArgs, ',') + '){ return binder.apply(this, arguments); }')(binder);
+
+ if (target.prototype) {
+ Empty.prototype = target.prototype;
+ bound.prototype = new Empty();
+ // Clean up dangling references.
+ Empty.prototype = null;
+ }
+
+ // TODO
+ // 18. Set the [[Extensible]] internal property of F to true.
+
+ // TODO
+ // 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
+ // 20. Call the [[DefineOwnProperty]] internal method of F with
+ // arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
+ // thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
+ // false.
+ // 21. Call the [[DefineOwnProperty]] internal method of F with
+ // arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
+ // [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
+ // and false.
+
+ // TODO
+ // NOTE Function objects created using Function.prototype.bind do not
+ // have a prototype property or the [[Code]], [[FormalParameters]], and
+ // [[Scope]] internal properties.
+ // XXX can't delete prototype in pure-js.
+
+ // 22. Return F.
+ return bound;
+ }
+ });
+
+ // _Please note: Shortcuts are defined after `Function.prototype.bind` as we
+ // use it in defining shortcuts.
+ var owns = call.bind(ObjectPrototype.hasOwnProperty);
+ var toStr = call.bind(ObjectPrototype.toString);
+ var arraySlice = call.bind(array_slice);
+ var arraySliceApply = apply.bind(array_slice);
+ var strSlice = call.bind(StringPrototype.slice);
+ var strSplit = call.bind(StringPrototype.split);
+ var strIndexOf = call.bind(StringPrototype.indexOf);
+ var pushCall = call.bind(array_push);
+ var isEnum = call.bind(ObjectPrototype.propertyIsEnumerable);
+ var arraySort = call.bind(ArrayPrototype.sort);
+
+ //
+ // Array
+ // =====
+ //
+
+ var isArray = $Array.isArray || function isArray(obj) {
+ return toStr(obj) === '[object Array]';
+ };
+
+ // ES5 15.4.4.12
+ // http://es5.github.com/#x15.4.4.13
+ // Return len+argCount.
+ // [bugfix, ielt8]
+ // IE < 8 bug: [].unshift(0) === undefined but should be "1"
+ var hasUnshiftReturnValueBug = [].unshift(0) !== 1;
+ defineProperties(ArrayPrototype, {
+ unshift: function () {
+ array_unshift.apply(this, arguments);
+ return this.length;
+ }
+ }, hasUnshiftReturnValueBug);
+
+ // ES5 15.4.3.2
+ // http://es5.github.com/#x15.4.3.2
+ // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
+ defineProperties($Array, { isArray: isArray });
+
+ // The IsCallable() check in the Array functions
+ // has been replaced with a strict check on the
+ // internal class of the object to trap cases where
+ // the provided function was actually a regular
+ // expression literal, which in V8 and
+ // JavaScriptCore is a typeof "function". Only in
+ // V8 are regular expression literals permitted as
+ // reduce parameters, so it is desirable in the
+ // general case for the shim to match the more
+ // strict and common behavior of rejecting regular
+ // expressions.
+
+ // ES5 15.4.4.18
+ // http://es5.github.com/#x15.4.4.18
+ // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/array/forEach
+
+ // Check failure of by-index access of string characters (IE < 9)
+ // and failure of `0 in boxedString` (Rhino)
+ var boxedString = $Object('a');
+ var splitString = boxedString[0] !== 'a' || !(0 in boxedString);
+
+ var properlyBoxesContext = function properlyBoxed(method) {
+ // Check node 0.6.21 bug where third parameter is not boxed
+ var properlyBoxesNonStrict = true;
+ var properlyBoxesStrict = true;
+ var threwException = false;
+ if (method) {
+ try {
+ method.call('foo', function (_, __, context) {
+ if (typeof context !== 'object') {
+ properlyBoxesNonStrict = false;
+ }
+ });
+
+ method.call([1], function () {
+ 'use strict';
+
+ properlyBoxesStrict = typeof this === 'string';
+ }, 'x');
+ } catch (e) {
+ threwException = true;
+ }
+ }
+ return !!method && !threwException && properlyBoxesNonStrict && properlyBoxesStrict;
+ };
+
+ defineProperties(ArrayPrototype, {
+ forEach: function forEach(callbackfn/*, thisArg*/) {
+ var object = ES.ToObject(this);
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var i = -1;
+ var length = ES.ToUint32(self.length);
+ var T;
+ if (arguments.length > 1) {
+ T = arguments[1];
+ }
+
+ // If no callback function or if callback is not a callable function
+ if (!isCallable(callbackfn)) {
+ throw new TypeError('Array.prototype.forEach callback must be a function');
+ }
+
+ while (++i < length) {
+ if (i in self) {
+ // Invoke the callback function with call, passing arguments:
+ // context, property value, property key, thisArg object
+ if (typeof T === 'undefined') {
+ callbackfn(self[i], i, object);
+ } else {
+ callbackfn.call(T, self[i], i, object);
+ }
+ }
+ }
+ }
+ }, !properlyBoxesContext(ArrayPrototype.forEach));
+
+ // ES5 15.4.4.19
+ // http://es5.github.com/#x15.4.4.19
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map
+ defineProperties(ArrayPrototype, {
+ map: function map(callbackfn/*, thisArg*/) {
+ var object = ES.ToObject(this);
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
+ var result = $Array(length);
+ var T;
+ if (arguments.length > 1) {
+ T = arguments[1];
+ }
+
+ // If no callback function or if callback is not a callable function
+ if (!isCallable(callbackfn)) {
+ throw new TypeError('Array.prototype.map callback must be a function');
+ }
+
+ for (var i = 0; i < length; i++) {
+ if (i in self) {
+ if (typeof T === 'undefined') {
+ result[i] = callbackfn(self[i], i, object);
+ } else {
+ result[i] = callbackfn.call(T, self[i], i, object);
+ }
+ }
+ }
+ return result;
+ }
+ }, !properlyBoxesContext(ArrayPrototype.map));
+
+ // ES5 15.4.4.20
+ // http://es5.github.com/#x15.4.4.20
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/filter
+ defineProperties(ArrayPrototype, {
+ filter: function filter(callbackfn/*, thisArg*/) {
+ var object = ES.ToObject(this);
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
+ var result = [];
+ var value;
+ var T;
+ if (arguments.length > 1) {
+ T = arguments[1];
+ }
+
+ // If no callback function or if callback is not a callable function
+ if (!isCallable(callbackfn)) {
+ throw new TypeError('Array.prototype.filter callback must be a function');
+ }
+
+ for (var i = 0; i < length; i++) {
+ if (i in self) {
+ value = self[i];
+ if (typeof T === 'undefined' ? callbackfn(value, i, object) : callbackfn.call(T, value, i, object)) {
+ pushCall(result, value);
+ }
+ }
+ }
+ return result;
+ }
+ }, !properlyBoxesContext(ArrayPrototype.filter));
+
+ // ES5 15.4.4.16
+ // http://es5.github.com/#x15.4.4.16
+ // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
+ defineProperties(ArrayPrototype, {
+ every: function every(callbackfn/*, thisArg*/) {
+ var object = ES.ToObject(this);
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
+ var T;
+ if (arguments.length > 1) {
+ T = arguments[1];
+ }
+
+ // If no callback function or if callback is not a callable function
+ if (!isCallable(callbackfn)) {
+ throw new TypeError('Array.prototype.every callback must be a function');
+ }
+
+ for (var i = 0; i < length; i++) {
+ if (i in self && !(typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {
+ return false;
+ }
+ }
+ return true;
+ }
+ }, !properlyBoxesContext(ArrayPrototype.every));
+
+ // ES5 15.4.4.17
+ // http://es5.github.com/#x15.4.4.17
+ // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
+ defineProperties(ArrayPrototype, {
+ some: function some(callbackfn/*, thisArg */) {
+ var object = ES.ToObject(this);
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
+ var T;
+ if (arguments.length > 1) {
+ T = arguments[1];
+ }
+
+ // If no callback function or if callback is not a callable function
+ if (!isCallable(callbackfn)) {
+ throw new TypeError('Array.prototype.some callback must be a function');
+ }
+
+ for (var i = 0; i < length; i++) {
+ if (i in self && (typeof T === 'undefined' ? callbackfn(self[i], i, object) : callbackfn.call(T, self[i], i, object))) {
+ return true;
+ }
+ }
+ return false;
+ }
+ }, !properlyBoxesContext(ArrayPrototype.some));
+
+ // ES5 15.4.4.21
+ // http://es5.github.com/#x15.4.4.21
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce
+ var reduceCoercesToObject = false;
+ if (ArrayPrototype.reduce) {
+ reduceCoercesToObject = typeof ArrayPrototype.reduce.call('es5', function (_, __, ___, list) {
+ return list;
+ }) === 'object';
+ }
+ defineProperties(ArrayPrototype, {
+ reduce: function reduce(callbackfn/*, initialValue*/) {
+ var object = ES.ToObject(this);
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
+
+ // If no callback function or if callback is not a callable function
+ if (!isCallable(callbackfn)) {
+ throw new TypeError('Array.prototype.reduce callback must be a function');
+ }
+
+ // no value to return if no initial value and an empty array
+ if (length === 0 && arguments.length === 1) {
+ throw new TypeError('reduce of empty array with no initial value');
+ }
+
+ var i = 0;
+ var result;
+ if (arguments.length >= 2) {
+ result = arguments[1];
+ } else {
+ do {
+ if (i in self) {
+ result = self[i++];
+ break;
+ }
+
+ // if array contains no values, no initial value to return
+ if (++i >= length) {
+ throw new TypeError('reduce of empty array with no initial value');
+ }
+ } while (true);
+ }
+
+ for (; i < length; i++) {
+ if (i in self) {
+ result = callbackfn(result, self[i], i, object);
+ }
+ }
+
+ return result;
+ }
+ }, !reduceCoercesToObject);
+
+ // ES5 15.4.4.22
+ // http://es5.github.com/#x15.4.4.22
+ // https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight
+ var reduceRightCoercesToObject = false;
+ if (ArrayPrototype.reduceRight) {
+ reduceRightCoercesToObject = typeof ArrayPrototype.reduceRight.call('es5', function (_, __, ___, list) {
+ return list;
+ }) === 'object';
+ }
+ defineProperties(ArrayPrototype, {
+ reduceRight: function reduceRight(callbackfn/*, initial*/) {
+ var object = ES.ToObject(this);
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
+
+ // If no callback function or if callback is not a callable function
+ if (!isCallable(callbackfn)) {
+ throw new TypeError('Array.prototype.reduceRight callback must be a function');
+ }
+
+ // no value to return if no initial value, empty array
+ if (length === 0 && arguments.length === 1) {
+ throw new TypeError('reduceRight of empty array with no initial value');
+ }
+
+ var result;
+ var i = length - 1;
+ if (arguments.length >= 2) {
+ result = arguments[1];
+ } else {
+ do {
+ if (i in self) {
+ result = self[i--];
+ break;
+ }
+
+ // if array contains no values, no initial value to return
+ if (--i < 0) {
+ throw new TypeError('reduceRight of empty array with no initial value');
+ }
+ } while (true);
+ }
+
+ if (i < 0) {
+ return result;
+ }
+
+ do {
+ if (i in self) {
+ result = callbackfn(result, self[i], i, object);
+ }
+ } while (i--);
+
+ return result;
+ }
+ }, !reduceRightCoercesToObject);
+
+ // ES5 15.4.4.14
+ // http://es5.github.com/#x15.4.4.14
+ // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
+ var hasFirefox2IndexOfBug = ArrayPrototype.indexOf && [0, 1].indexOf(1, 2) !== -1;
+ defineProperties(ArrayPrototype, {
+ indexOf: function indexOf(searchElement/*, fromIndex */) {
+ var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this);
+ var length = ES.ToUint32(self.length);
+
+ if (length === 0) {
+ return -1;
+ }
+
+ var i = 0;
+ if (arguments.length > 1) {
+ i = ES.ToInteger(arguments[1]);
+ }
+
+ // handle negative indices
+ i = i >= 0 ? i : max(0, length + i);
+ for (; i < length; i++) {
+ if (i in self && self[i] === searchElement) {
+ return i;
+ }
+ }
+ return -1;
+ }
+ }, hasFirefox2IndexOfBug);
+
+ // ES5 15.4.4.15
+ // http://es5.github.com/#x15.4.4.15
+ // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
+ var hasFirefox2LastIndexOfBug = ArrayPrototype.lastIndexOf && [0, 1].lastIndexOf(0, -3) !== -1;
+ defineProperties(ArrayPrototype, {
+ lastIndexOf: function lastIndexOf(searchElement/*, fromIndex */) {
+ var self = splitString && isString(this) ? strSplit(this, '') : ES.ToObject(this);
+ var length = ES.ToUint32(self.length);
+
+ if (length === 0) {
+ return -1;
+ }
+ var i = length - 1;
+ if (arguments.length > 1) {
+ i = min(i, ES.ToInteger(arguments[1]));
+ }
+ // handle negative indices
+ i = i >= 0 ? i : length - Math.abs(i);
+ for (; i >= 0; i--) {
+ if (i in self && searchElement === self[i]) {
+ return i;
+ }
+ }
+ return -1;
+ }
+ }, hasFirefox2LastIndexOfBug);
+
+ // ES5 15.4.4.12
+ // http://es5.github.com/#x15.4.4.12
+ var spliceNoopReturnsEmptyArray = (function () {
+ var a = [1, 2];
+ var result = a.splice();
+ return a.length === 2 && isArray(result) && result.length === 0;
+ }());
+ defineProperties(ArrayPrototype, {
+ // Safari 5.0 bug where .splice() returns undefined
+ splice: function splice(start, deleteCount) {
+ if (arguments.length === 0) {
+ return [];
+ } else {
+ return array_splice.apply(this, arguments);
+ }
+ }
+ }, !spliceNoopReturnsEmptyArray);
+
+ var spliceWorksWithEmptyObject = (function () {
+ var obj = {};
+ ArrayPrototype.splice.call(obj, 0, 0, 1);
+ return obj.length === 1;
+ }());
+ defineProperties(ArrayPrototype, {
+ splice: function splice(start, deleteCount) {
+ if (arguments.length === 0) {
+ return [];
+ }
+ var args = arguments;
+ this.length = max(ES.ToInteger(this.length), 0);
+ if (arguments.length > 0 && typeof deleteCount !== 'number') {
+ args = arraySlice(arguments);
+ if (args.length < 2) {
+ pushCall(args, this.length - start);
+ } else {
+ args[1] = ES.ToInteger(deleteCount);
+ }
+ }
+ return array_splice.apply(this, args);
+ }
+ }, !spliceWorksWithEmptyObject);
+ var spliceWorksWithLargeSparseArrays = (function () {
+ // Per https://github.com/es-shims/es5-shim/issues/295
+ // Safari 7/8 breaks with sparse arrays of size 1e5 or greater
+ var arr = new $Array(1e5);
+ // note: the index MUST be 8 or larger or the test will false pass
+ arr[8] = 'x';
+ arr.splice(1, 1);
+ // note: this test must be defined *after* the indexOf shim
+ // per https://github.com/es-shims/es5-shim/issues/313
+ return arr.indexOf('x') === 7;
+ }());
+ var spliceWorksWithSmallSparseArrays = (function () {
+ // Per https://github.com/es-shims/es5-shim/issues/295
+ // Opera 12.15 breaks on this, no idea why.
+ var n = 256;
+ var arr = [];
+ arr[n] = 'a';
+ arr.splice(n + 1, 0, 'b');
+ return arr[n] === 'a';
+ }());
+ defineProperties(ArrayPrototype, {
+ splice: function splice(start, deleteCount) {
+ var O = ES.ToObject(this);
+ var A = [];
+ var len = ES.ToUint32(O.length);
+ var relativeStart = ES.ToInteger(start);
+ var actualStart = relativeStart < 0 ? max((len + relativeStart), 0) : min(relativeStart, len);
+ var actualDeleteCount = min(max(ES.ToInteger(deleteCount), 0), len - actualStart);
+
+ var k = 0;
+ var from;
+ while (k < actualDeleteCount) {
+ from = $String(actualStart + k);
+ if (owns(O, from)) {
+ A[k] = O[from];
+ }
+ k += 1;
+ }
+
+ var items = arraySlice(arguments, 2);
+ var itemCount = items.length;
+ var to;
+ if (itemCount < actualDeleteCount) {
+ k = actualStart;
+ var maxK = len - actualDeleteCount;
+ while (k < maxK) {
+ from = $String(k + actualDeleteCount);
+ to = $String(k + itemCount);
+ if (owns(O, from)) {
+ O[to] = O[from];
+ } else {
+ delete O[to];
+ }
+ k += 1;
+ }
+ k = len;
+ var minK = len - actualDeleteCount + itemCount;
+ while (k > minK) {
+ delete O[k - 1];
+ k -= 1;
+ }
+ } else if (itemCount > actualDeleteCount) {
+ k = len - actualDeleteCount;
+ while (k > actualStart) {
+ from = $String(k + actualDeleteCount - 1);
+ to = $String(k + itemCount - 1);
+ if (owns(O, from)) {
+ O[to] = O[from];
+ } else {
+ delete O[to];
+ }
+ k -= 1;
+ }
+ }
+ k = actualStart;
+ for (var i = 0; i < items.length; ++i) {
+ O[k] = items[i];
+ k += 1;
+ }
+ O.length = len - actualDeleteCount + itemCount;
+
+ return A;
+ }
+ }, !spliceWorksWithLargeSparseArrays || !spliceWorksWithSmallSparseArrays);
+
+ var originalJoin = ArrayPrototype.join;
+ var hasStringJoinBug;
+ try {
+ hasStringJoinBug = Array.prototype.join.call('123', ',') !== '1,2,3';
+ } catch (e) {
+ hasStringJoinBug = true;
+ }
+ if (hasStringJoinBug) {
+ defineProperties(ArrayPrototype, {
+ join: function join(separator) {
+ var sep = typeof separator === 'undefined' ? ',' : separator;
+ return originalJoin.call(isString(this) ? strSplit(this, '') : this, sep);
+ }
+ }, hasStringJoinBug);
+ }
+
+ var hasJoinUndefinedBug = [1, 2].join(undefined) !== '1,2';
+ if (hasJoinUndefinedBug) {
+ defineProperties(ArrayPrototype, {
+ join: function join(separator) {
+ var sep = typeof separator === 'undefined' ? ',' : separator;
+ return originalJoin.call(this, sep);
+ }
+ }, hasJoinUndefinedBug);
+ }
+
+ var pushShim = function push(item) {
+ var O = ES.ToObject(this);
+ var n = ES.ToUint32(O.length);
+ var i = 0;
+ while (i < arguments.length) {
+ O[n + i] = arguments[i];
+ i += 1;
+ }
+ O.length = n + i;
+ return n + i;
+ };
+
+ var pushIsNotGeneric = (function () {
+ var obj = {};
+ var result = Array.prototype.push.call(obj, undefined);
+ return result !== 1 || obj.length !== 1 || typeof obj[0] !== 'undefined' || !owns(obj, 0);
+ }());
+ defineProperties(ArrayPrototype, {
+ push: function push(item) {
+ if (isArray(this)) {
+ return array_push.apply(this, arguments);
+ }
+ return pushShim.apply(this, arguments);
+ }
+ }, pushIsNotGeneric);
+
+ // This fixes a very weird bug in Opera 10.6 when pushing `undefined
+ var pushUndefinedIsWeird = (function () {
+ var arr = [];
+ var result = arr.push(undefined);
+ return result !== 1 || arr.length !== 1 || typeof arr[0] !== 'undefined' || !owns(arr, 0);
+ }());
+ defineProperties(ArrayPrototype, { push: pushShim }, pushUndefinedIsWeird);
+
+ // ES5 15.2.3.14
+ // http://es5.github.io/#x15.4.4.10
+ // Fix boxed string bug
+ defineProperties(ArrayPrototype, {
+ slice: function (start, end) {
+ var arr = isString(this) ? strSplit(this, '') : this;
+ return arraySliceApply(arr, arguments);
+ }
+ }, splitString);
+
+ var sortIgnoresNonFunctions = (function () {
+ try {
+ [1, 2].sort(null);
+ [1, 2].sort({});
+ return true;
+ } catch (e) {}
+ return false;
+ }());
+ var sortThrowsOnRegex = (function () {
+ // this is a problem in Firefox 4, in which `typeof /a/ === 'function'`
+ try {
+ [1, 2].sort(/a/);
+ return false;
+ } catch (e) {}
+ return true;
+ }());
+ var sortIgnoresUndefined = (function () {
+ // applies in IE 8, for one.
+ try {
+ [1, 2].sort(undefined);
+ return true;
+ } catch (e) {}
+ return false;
+ }());
+ defineProperties(ArrayPrototype, {
+ sort: function sort(compareFn) {
+ if (typeof compareFn === 'undefined') {
+ return arraySort(this);
+ }
+ if (!isCallable(compareFn)) {
+ throw new TypeError('Array.prototype.sort callback must be a function');
+ }
+ return arraySort(this, compareFn);
+ }
+ }, sortIgnoresNonFunctions || !sortIgnoresUndefined || !sortThrowsOnRegex);
+
+ //
+ // Object
+ // ======
+ //
+
+ // ES5 15.2.3.14
+ // http://es5.github.com/#x15.2.3.14
+
+ // http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
+ var hasDontEnumBug = !isEnum({ 'toString': null }, 'toString');
+ var hasProtoEnumBug = isEnum(function () {}, 'prototype');
+ var hasStringEnumBug = !owns('x', '0');
+ var equalsConstructorPrototype = function (o) {
+ var ctor = o.constructor;
+ return ctor && ctor.prototype === o;
+ };
+ var blacklistedKeys = {
+ $window: true,
+ $console: true,
+ $parent: true,
+ $self: true,
+ $frame: true,
+ $frames: true,
+ $frameElement: true,
+ $webkitIndexedDB: true,
+ $webkitStorageInfo: true,
+ $external: true
+ };
+ var hasAutomationEqualityBug = (function () {
+ /* globals window */
+ if (typeof window === 'undefined') {
+ return false;
+ }
+ for (var k in window) {
+ try {
+ if (!blacklistedKeys['$' + k] && owns(window, k) && window[k] !== null && typeof window[k] === 'object') {
+ equalsConstructorPrototype(window[k]);
+ }
+ } catch (e) {
+ return true;
+ }
+ }
+ return false;
+ }());
+ var equalsConstructorPrototypeIfNotBuggy = function (object) {
+ if (typeof window === 'undefined' || !hasAutomationEqualityBug) {
+ return equalsConstructorPrototype(object);
+ }
+ try {
+ return equalsConstructorPrototype(object);
+ } catch (e) {
+ return false;
+ }
+ };
+ var dontEnums = [
+ 'toString',
+ 'toLocaleString',
+ 'valueOf',
+ 'hasOwnProperty',
+ 'isPrototypeOf',
+ 'propertyIsEnumerable',
+ 'constructor'
+ ];
+ var dontEnumsLength = dontEnums.length;
+
+ // taken directly from https://github.com/ljharb/is-arguments/blob/master/index.js
+ // can be replaced with require('is-arguments') if we ever use a build process instead
+ var isStandardArguments = function isArguments(value) {
+ return toStr(value) === '[object Arguments]';
+ };
+ var isLegacyArguments = function isArguments(value) {
+ return value !== null &&
+ typeof value === 'object' &&
+ typeof value.length === 'number' &&
+ value.length >= 0 &&
+ !isArray(value) &&
+ isCallable(value.callee);
+ };
+ var isArguments = isStandardArguments(arguments) ? isStandardArguments : isLegacyArguments;
+
+ defineProperties($Object, {
+ keys: function keys(object) {
+ var isFn = isCallable(object);
+ var isArgs = isArguments(object);
+ var isObject = object !== null && typeof object === 'object';
+ var isStr = isObject && isString(object);
+
+ if (!isObject && !isFn && !isArgs) {
+ throw new TypeError('Object.keys called on a non-object');
+ }
+
+ var theKeys = [];
+ var skipProto = hasProtoEnumBug && isFn;
+ if ((isStr && hasStringEnumBug) || isArgs) {
+ for (var i = 0; i < object.length; ++i) {
+ pushCall(theKeys, $String(i));
+ }
+ }
+
+ if (!isArgs) {
+ for (var name in object) {
+ if (!(skipProto && name === 'prototype') && owns(object, name)) {
+ pushCall(theKeys, $String(name));
+ }
+ }
+ }
+
+ if (hasDontEnumBug) {
+ var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
+ for (var j = 0; j < dontEnumsLength; j++) {
+ var dontEnum = dontEnums[j];
+ if (!(skipConstructor && dontEnum === 'constructor') && owns(object, dontEnum)) {
+ pushCall(theKeys, dontEnum);
+ }
+ }
+ }
+ return theKeys;
+ }
+ });
+
+ var keysWorksWithArguments = $Object.keys && (function () {
+ // Safari 5.0 bug
+ return $Object.keys(arguments).length === 2;
+ }(1, 2));
+ var keysHasArgumentsLengthBug = $Object.keys && (function () {
+ var argKeys = $Object.keys(arguments);
+ return arguments.length !== 1 || argKeys.length !== 1 || argKeys[0] !== 1;
+ }(1));
+ var originalKeys = $Object.keys;
+ defineProperties($Object, {
+ keys: function keys(object) {
+ if (isArguments(object)) {
+ return originalKeys(arraySlice(object));
+ } else {
+ return originalKeys(object);
+ }
+ }
+ }, !keysWorksWithArguments || keysHasArgumentsLengthBug);
+
+ //
+ // Date
+ // ====
+ //
+
+ var hasNegativeMonthYearBug = new Date(-3509827329600292).getUTCMonth() !== 0;
+ var aNegativeTestDate = new Date(-1509842289600292);
+ var aPositiveTestDate = new Date(1449662400000);
+ var hasToUTCStringFormatBug = aNegativeTestDate.toUTCString() !== 'Mon, 01 Jan -45875 11:59:59 GMT';
+ var hasToDateStringFormatBug;
+ var hasToStringFormatBug;
+ var timeZoneOffset = aNegativeTestDate.getTimezoneOffset();
+ if (timeZoneOffset < -720) {
+ hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Tue Jan 02 -45875';
+ hasToStringFormatBug = !(/^Thu Dec 10 2015 \d\d:\d\d:\d\d GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString());
+ } else {
+ hasToDateStringFormatBug = aNegativeTestDate.toDateString() !== 'Mon Jan 01 -45875';
+ hasToStringFormatBug = !(/^Wed Dec 09 2015 \d\d:\d\d:\d\d GMT[-\+]\d\d\d\d(?: |$)/).test(aPositiveTestDate.toString());
+ }
+
+ var originalGetFullYear = call.bind(Date.prototype.getFullYear);
+ var originalGetMonth = call.bind(Date.prototype.getMonth);
+ var originalGetDate = call.bind(Date.prototype.getDate);
+ var originalGetUTCFullYear = call.bind(Date.prototype.getUTCFullYear);
+ var originalGetUTCMonth = call.bind(Date.prototype.getUTCMonth);
+ var originalGetUTCDate = call.bind(Date.prototype.getUTCDate);
+ var originalGetUTCDay = call.bind(Date.prototype.getUTCDay);
+ var originalGetUTCHours = call.bind(Date.prototype.getUTCHours);
+ var originalGetUTCMinutes = call.bind(Date.prototype.getUTCMinutes);
+ var originalGetUTCSeconds = call.bind(Date.prototype.getUTCSeconds);
+ var originalGetUTCMilliseconds = call.bind(Date.prototype.getUTCMilliseconds);
+ var dayName = ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'];
+ var monthName = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'];
+ var daysInMonth = function daysInMonth(month, year) {
+ return originalGetDate(new Date(year, month, 0));
+ };
+
+ defineProperties(Date.prototype, {
+ getFullYear: function getFullYear() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var year = originalGetFullYear(this);
+ if (year < 0 && originalGetMonth(this) > 11) {
+ return year + 1;
+ }
+ return year;
+ },
+ getMonth: function getMonth() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var year = originalGetFullYear(this);
+ var month = originalGetMonth(this);
+ if (year < 0 && month > 11) {
+ return 0;
+ }
+ return month;
+ },
+ getDate: function getDate() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var year = originalGetFullYear(this);
+ var month = originalGetMonth(this);
+ var date = originalGetDate(this);
+ if (year < 0 && month > 11) {
+ if (month === 12) {
+ return date;
+ }
+ var days = daysInMonth(0, year + 1);
+ return (days - date) + 1;
+ }
+ return date;
+ },
+ getUTCFullYear: function getUTCFullYear() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var year = originalGetUTCFullYear(this);
+ if (year < 0 && originalGetUTCMonth(this) > 11) {
+ return year + 1;
+ }
+ return year;
+ },
+ getUTCMonth: function getUTCMonth() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var year = originalGetUTCFullYear(this);
+ var month = originalGetUTCMonth(this);
+ if (year < 0 && month > 11) {
+ return 0;
+ }
+ return month;
+ },
+ getUTCDate: function getUTCDate() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var year = originalGetUTCFullYear(this);
+ var month = originalGetUTCMonth(this);
+ var date = originalGetUTCDate(this);
+ if (year < 0 && month > 11) {
+ if (month === 12) {
+ return date;
+ }
+ var days = daysInMonth(0, year + 1);
+ return (days - date) + 1;
+ }
+ return date;
+ }
+ }, hasNegativeMonthYearBug);
+
+ defineProperties(Date.prototype, {
+ toUTCString: function toUTCString() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var day = originalGetUTCDay(this);
+ var date = originalGetUTCDate(this);
+ var month = originalGetUTCMonth(this);
+ var year = originalGetUTCFullYear(this);
+ var hour = originalGetUTCHours(this);
+ var minute = originalGetUTCMinutes(this);
+ var second = originalGetUTCSeconds(this);
+ return dayName[day] + ', ' +
+ (date < 10 ? '0' + date : date) + ' ' +
+ monthName[month] + ' ' +
+ year + ' ' +
+ (hour < 10 ? '0' + hour : hour) + ':' +
+ (minute < 10 ? '0' + minute : minute) + ':' +
+ (second < 10 ? '0' + second : second) + ' GMT';
+ }
+ }, hasNegativeMonthYearBug || hasToUTCStringFormatBug);
+
+ // Opera 12 has `,`
+ defineProperties(Date.prototype, {
+ toDateString: function toDateString() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var day = this.getDay();
+ var date = this.getDate();
+ var month = this.getMonth();
+ var year = this.getFullYear();
+ return dayName[day] + ' ' +
+ monthName[month] + ' ' +
+ (date < 10 ? '0' + date : date) + ' ' +
+ year;
+ }
+ }, hasNegativeMonthYearBug || hasToDateStringFormatBug);
+
+ // can't use defineProperties here because of toString enumeration issue in IE <= 8
+ if (hasNegativeMonthYearBug || hasToStringFormatBug) {
+ Date.prototype.toString = function toString() {
+ if (!this || !(this instanceof Date)) {
+ throw new TypeError('this is not a Date object.');
+ }
+ var day = this.getDay();
+ var date = this.getDate();
+ var month = this.getMonth();
+ var year = this.getFullYear();
+ var hour = this.getHours();
+ var minute = this.getMinutes();
+ var second = this.getSeconds();
+ var timezoneOffset = this.getTimezoneOffset();
+ var hoursOffset = Math.floor(Math.abs(timezoneOffset) / 60);
+ var minutesOffset = Math.floor(Math.abs(timezoneOffset) % 60);
+ return dayName[day] + ' ' +
+ monthName[month] + ' ' +
+ (date < 10 ? '0' + date : date) + ' ' +
+ year + ' ' +
+ (hour < 10 ? '0' + hour : hour) + ':' +
+ (minute < 10 ? '0' + minute : minute) + ':' +
+ (second < 10 ? '0' + second : second) + ' GMT' +
+ (timezoneOffset > 0 ? '-' : '+') +
+ (hoursOffset < 10 ? '0' + hoursOffset : hoursOffset) +
+ (minutesOffset < 10 ? '0' + minutesOffset : minutesOffset);
+ };
+ if (supportsDescriptors) {
+ $Object.defineProperty(Date.prototype, 'toString', {
+ configurable: true,
+ enumerable: false,
+ writable: true
+ });
+ }
+ }
+
+ // ES5 15.9.5.43
+ // http://es5.github.com/#x15.9.5.43
+ // This function returns a String value represent the instance in time
+ // represented by this Date object. The format of the String is the Date Time
+ // string format defined in 15.9.1.15. All fields are present in the String.
+ // The time zone is always UTC, denoted by the suffix Z. If the time value of
+ // this object is not a finite Number a RangeError exception is thrown.
+ var negativeDate = -62198755200000;
+ var negativeYearString = '-000001';
+ var hasNegativeDateBug = Date.prototype.toISOString && new Date(negativeDate).toISOString().indexOf(negativeYearString) === -1;
+ var hasSafari51DateBug = Date.prototype.toISOString && new Date(-1).toISOString() !== '1969-12-31T23:59:59.999Z';
+
+ var getTime = call.bind(Date.prototype.getTime);
+
+ defineProperties(Date.prototype, {
+ toISOString: function toISOString() {
+ if (!isFinite(this) || !isFinite(getTime(this))) {
+ // Adope Photoshop requires the second check.
+ throw new RangeError('Date.prototype.toISOString called on non-finite value.');
+ }
+
+ var year = originalGetUTCFullYear(this);
+
+ var month = originalGetUTCMonth(this);
+ // see https://github.com/es-shims/es5-shim/issues/111
+ year += Math.floor(month / 12);
+ month = (month % 12 + 12) % 12;
+
+ // the date time string format is specified in 15.9.1.15.
+ var result = [month + 1, originalGetUTCDate(this), originalGetUTCHours(this), originalGetUTCMinutes(this), originalGetUTCSeconds(this)];
+ year = (
+ (year < 0 ? '-' : (year > 9999 ? '+' : '')) +
+ strSlice('00000' + Math.abs(year), (0 <= year && year <= 9999) ? -4 : -6)
+ );
+
+ for (var i = 0; i < result.length; ++i) {
+ // pad months, days, hours, minutes, and seconds to have two digits.
+ result[i] = strSlice('00' + result[i], -2);
+ }
+ // pad milliseconds to have three digits.
+ return (
+ year + '-' + arraySlice(result, 0, 2).join('-') +
+ 'T' + arraySlice(result, 2).join(':') + '.' +
+ strSlice('000' + originalGetUTCMilliseconds(this), -3) + 'Z'
+ );
+ }
+ }, hasNegativeDateBug || hasSafari51DateBug);
+
+ // ES5 15.9.5.44
+ // http://es5.github.com/#x15.9.5.44
+ // This function provides a String representation of a Date object for use by
+ // JSON.stringify (15.12.3).
+ var dateToJSONIsSupported = (function () {
+ try {
+ return Date.prototype.toJSON &&
+ new Date(NaN).toJSON() === null &&
+ new Date(negativeDate).toJSON().indexOf(negativeYearString) !== -1 &&
+ Date.prototype.toJSON.call({ // generic
+ toISOString: function () { return true; }
+ });
+ } catch (e) {
+ return false;
+ }
+ }());
+ if (!dateToJSONIsSupported) {
+ Date.prototype.toJSON = function toJSON(key) {
+ // When the toJSON method is called with argument key, the following
+ // steps are taken:
+
+ // 1. Let O be the result of calling ToObject, giving it the this
+ // value as its argument.
+ // 2. Let tv be ES.ToPrimitive(O, hint Number).
+ var O = $Object(this);
+ var tv = ES.ToPrimitive(O);
+ // 3. If tv is a Number and is not finite, return null.
+ if (typeof tv === 'number' && !isFinite(tv)) {
+ return null;
+ }
+ // 4. Let toISO be the result of calling the [[Get]] internal method of
+ // O with argument "toISOString".
+ var toISO = O.toISOString;
+ // 5. If IsCallable(toISO) is false, throw a TypeError exception.
+ if (!isCallable(toISO)) {
+ throw new TypeError('toISOString property is not callable');
+ }
+ // 6. Return the result of calling the [[Call]] internal method of
+ // toISO with O as the this value and an empty argument list.
+ return toISO.call(O);
+
+ // NOTE 1 The argument is ignored.
+
+ // NOTE 2 The toJSON function is intentionally generic; it does not
+ // require that its this value be a Date object. Therefore, it can be
+ // transferred to other kinds of objects for use as a method. However,
+ // it does require that any such object have a toISOString method. An
+ // object is free to use the argument key to filter its
+ // stringification.
+ };
+ }
+
+ // ES5 15.9.4.2
+ // http://es5.github.com/#x15.9.4.2
+ // based on work shared by Daniel Friesen (dantman)
+ // http://gist.github.com/303249
+ var supportsExtendedYears = Date.parse('+033658-09-27T01:46:40.000Z') === 1e15;
+ var acceptsInvalidDates = !isNaN(Date.parse('2012-04-04T24:00:00.500Z')) || !isNaN(Date.parse('2012-11-31T23:59:59.000Z')) || !isNaN(Date.parse('2012-12-31T23:59:60.000Z'));
+ var doesNotParseY2KNewYear = isNaN(Date.parse('2000-01-01T00:00:00.000Z'));
+ if (doesNotParseY2KNewYear || acceptsInvalidDates || !supportsExtendedYears) {
+ // XXX global assignment won't work in embeddings that use
+ // an alternate object for the context.
+ /* global Date: true */
+ /* eslint-disable no-undef */
+ var maxSafeUnsigned32Bit = Math.pow(2, 31) - 1;
+ var hasSafariSignedIntBug = isActualNaN(new Date(1970, 0, 1, 0, 0, 0, maxSafeUnsigned32Bit + 1).getTime());
+ /* eslint-disable no-implicit-globals */
+ Date = (function (NativeDate) {
+ /* eslint-enable no-implicit-globals */
+ /* eslint-enable no-undef */
+ // Date.length === 7
+ var DateShim = function Date(Y, M, D, h, m, s, ms) {
+ var length = arguments.length;
+ var date;
+ if (this instanceof NativeDate) {
+ var seconds = s;
+ var millis = ms;
+ if (hasSafariSignedIntBug && length >= 7 && ms > maxSafeUnsigned32Bit) {
+ // work around a Safari 8/9 bug where it treats the seconds as signed
+ var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit;
+ var sToShift = Math.floor(msToShift / 1e3);
+ seconds += sToShift;
+ millis -= sToShift * 1e3;
+ }
+ date = length === 1 && $String(Y) === Y ? // isString(Y)
+ // We explicitly pass it through parse:
+ new NativeDate(DateShim.parse(Y)) :
+ // We have to manually make calls depending on argument
+ // length here
+ length >= 7 ? new NativeDate(Y, M, D, h, m, seconds, millis) :
+ length >= 6 ? new NativeDate(Y, M, D, h, m, seconds) :
+ length >= 5 ? new NativeDate(Y, M, D, h, m) :
+ length >= 4 ? new NativeDate(Y, M, D, h) :
+ length >= 3 ? new NativeDate(Y, M, D) :
+ length >= 2 ? new NativeDate(Y, M) :
+ length >= 1 ? new NativeDate(Y instanceof NativeDate ? +Y : Y) :
+ new NativeDate();
+ } else {
+ date = NativeDate.apply(this, arguments);
+ }
+ if (!isPrimitive(date)) {
+ // Prevent mixups with unfixed Date object
+ defineProperties(date, { constructor: DateShim }, true);
+ }
+ return date;
+ };
+
+ // 15.9.1.15 Date Time String Format.
+ var isoDateExpression = new RegExp('^' +
+ '(\\d{4}|[+-]\\d{6})' + // four-digit year capture or sign +
+ // 6-digit extended year
+ '(?:-(\\d{2})' + // optional month capture
+ '(?:-(\\d{2})' + // optional day capture
+ '(?:' + // capture hours:minutes:seconds.milliseconds
+ 'T(\\d{2})' + // hours capture
+ ':(\\d{2})' + // minutes capture
+ '(?:' + // optional :seconds.milliseconds
+ ':(\\d{2})' + // seconds capture
+ '(?:(\\.\\d{1,}))?' + // milliseconds capture
+ ')?' +
+ '(' + // capture UTC offset component
+ 'Z|' + // UTC capture
+ '(?:' + // offset specifier +/-hours:minutes
+ '([-+])' + // sign capture
+ '(\\d{2})' + // hours offset capture
+ ':(\\d{2})' + // minutes offset capture
+ ')' +
+ ')?)?)?)?' +
+ '$');
+
+ var months = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365];
+
+ var dayFromMonth = function dayFromMonth(year, month) {
+ var t = month > 1 ? 1 : 0;
+ return (
+ months[month] +
+ Math.floor((year - 1969 + t) / 4) -
+ Math.floor((year - 1901 + t) / 100) +
+ Math.floor((year - 1601 + t) / 400) +
+ 365 * (year - 1970)
+ );
+ };
+
+ var toUTC = function toUTC(t) {
+ var s = 0;
+ var ms = t;
+ if (hasSafariSignedIntBug && ms > maxSafeUnsigned32Bit) {
+ // work around a Safari 8/9 bug where it treats the seconds as signed
+ var msToShift = Math.floor(ms / maxSafeUnsigned32Bit) * maxSafeUnsigned32Bit;
+ var sToShift = Math.floor(msToShift / 1e3);
+ s += sToShift;
+ ms -= sToShift * 1e3;
+ }
+ return $Number(new NativeDate(1970, 0, 1, 0, 0, s, ms));
+ };
+
+ // Copy any custom methods a 3rd party library may have added
+ for (var key in NativeDate) {
+ if (owns(NativeDate, key)) {
+ DateShim[key] = NativeDate[key];
+ }
+ }
+
+ // Copy "native" methods explicitly; they may be non-enumerable
+ defineProperties(DateShim, {
+ now: NativeDate.now,
+ UTC: NativeDate.UTC
+ }, true);
+ DateShim.prototype = NativeDate.prototype;
+ defineProperties(DateShim.prototype, {
+ constructor: DateShim
+ }, true);
+
+ // Upgrade Date.parse to handle simplified ISO 8601 strings
+ var parseShim = function parse(string) {
+ var match = isoDateExpression.exec(string);
+ if (match) {
+ // parse months, days, hours, minutes, seconds, and milliseconds
+ // provide default values if necessary
+ // parse the UTC offset component
+ var year = $Number(match[1]),
+ month = $Number(match[2] || 1) - 1,
+ day = $Number(match[3] || 1) - 1,
+ hour = $Number(match[4] || 0),
+ minute = $Number(match[5] || 0),
+ second = $Number(match[6] || 0),
+ millisecond = Math.floor($Number(match[7] || 0) * 1000),
+ // When time zone is missed, local offset should be used
+ // (ES 5.1 bug)
+ // see https://bugs.ecmascript.org/show_bug.cgi?id=112
+ isLocalTime = Boolean(match[4] && !match[8]),
+ signOffset = match[9] === '-' ? 1 : -1,
+ hourOffset = $Number(match[10] || 0),
+ minuteOffset = $Number(match[11] || 0),
+ result;
+ var hasMinutesOrSecondsOrMilliseconds = minute > 0 || second > 0 || millisecond > 0;
+ if (
+ hour < (hasMinutesOrSecondsOrMilliseconds ? 24 : 25) &&
+ minute < 60 && second < 60 && millisecond < 1000 &&
+ month > -1 && month < 12 && hourOffset < 24 &&
+ minuteOffset < 60 && // detect invalid offsets
+ day > -1 &&
+ day < (dayFromMonth(year, month + 1) - dayFromMonth(year, month))
+ ) {
+ result = (
+ (dayFromMonth(year, month) + day) * 24 +
+ hour +
+ hourOffset * signOffset
+ ) * 60;
+ result = (
+ (result + minute + minuteOffset * signOffset) * 60 +
+ second
+ ) * 1000 + millisecond;
+ if (isLocalTime) {
+ result = toUTC(result);
+ }
+ if (-8.64e15 <= result && result <= 8.64e15) {
+ return result;
+ }
+ }
+ return NaN;
+ }
+ return NativeDate.parse.apply(this, arguments);
+ };
+ defineProperties(DateShim, { parse: parseShim });
+
+ return DateShim;
+ }(Date));
+ /* global Date: false */
+ }
+
+ // ES5 15.9.4.4
+ // http://es5.github.com/#x15.9.4.4
+ if (!Date.now) {
+ Date.now = function now() {
+ return new Date().getTime();
+ };
+ }
+
+ //
+ // Number
+ // ======
+ //
+
+ // ES5.1 15.7.4.5
+ // http://es5.github.com/#x15.7.4.5
+ var hasToFixedBugs = NumberPrototype.toFixed && (
+ (0.00008).toFixed(3) !== '0.000' ||
+ (0.9).toFixed(0) !== '1' ||
+ (1.255).toFixed(2) !== '1.25' ||
+ (1000000000000000128).toFixed(0) !== '1000000000000000128'
+ );
+
+ var toFixedHelpers = {
+ base: 1e7,
+ size: 6,
+ data: [0, 0, 0, 0, 0, 0],
+ multiply: function multiply(n, c) {
+ var i = -1;
+ var c2 = c;
+ while (++i < toFixedHelpers.size) {
+ c2 += n * toFixedHelpers.data[i];
+ toFixedHelpers.data[i] = c2 % toFixedHelpers.base;
+ c2 = Math.floor(c2 / toFixedHelpers.base);
+ }
+ },
+ divide: function divide(n) {
+ var i = toFixedHelpers.size;
+ var c = 0;
+ while (--i >= 0) {
+ c += toFixedHelpers.data[i];
+ toFixedHelpers.data[i] = Math.floor(c / n);
+ c = (c % n) * toFixedHelpers.base;
+ }
+ },
+ numToString: function numToString() {
+ var i = toFixedHelpers.size;
+ var s = '';
+ while (--i >= 0) {
+ if (s !== '' || i === 0 || toFixedHelpers.data[i] !== 0) {
+ var t = $String(toFixedHelpers.data[i]);
+ if (s === '') {
+ s = t;
+ } else {
+ s += strSlice('0000000', 0, 7 - t.length) + t;
+ }
+ }
+ }
+ return s;
+ },
+ pow: function pow(x, n, acc) {
+ return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc)));
+ },
+ log: function log(x) {
+ var n = 0;
+ var x2 = x;
+ while (x2 >= 4096) {
+ n += 12;
+ x2 /= 4096;
+ }
+ while (x2 >= 2) {
+ n += 1;
+ x2 /= 2;
+ }
+ return n;
+ }
+ };
+
+ var toFixedShim = function toFixed(fractionDigits) {
+ var f, x, s, m, e, z, j, k;
+
+ // Test for NaN and round fractionDigits down
+ f = $Number(fractionDigits);
+ f = isActualNaN(f) ? 0 : Math.floor(f);
+
+ if (f < 0 || f > 20) {
+ throw new RangeError('Number.toFixed called with invalid number of decimals');
+ }
+
+ x = $Number(this);
+
+ if (isActualNaN(x)) {
+ return 'NaN';
+ }
+
+ // If it is too big or small, return the string value of the number
+ if (x <= -1e21 || x >= 1e21) {
+ return $String(x);
+ }
+
+ s = '';
+
+ if (x < 0) {
+ s = '-';
+ x = -x;
+ }
+
+ m = '0';
+
+ if (x > 1e-21) {
+ // 1e-21 < x < 1e21
+ // -70 < log2(x) < 70
+ e = toFixedHelpers.log(x * toFixedHelpers.pow(2, 69, 1)) - 69;
+ z = (e < 0 ? x * toFixedHelpers.pow(2, -e, 1) : x / toFixedHelpers.pow(2, e, 1));
+ z *= 0x10000000000000; // Math.pow(2, 52);
+ e = 52 - e;
+
+ // -18 < e < 122
+ // x = z / 2 ^ e
+ if (e > 0) {
+ toFixedHelpers.multiply(0, z);
+ j = f;
+
+ while (j >= 7) {
+ toFixedHelpers.multiply(1e7, 0);
+ j -= 7;
+ }
+
+ toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0);
+ j = e - 1;
+
+ while (j >= 23) {
+ toFixedHelpers.divide(1 << 23);
+ j -= 23;
+ }
+
+ toFixedHelpers.divide(1 << j);
+ toFixedHelpers.multiply(1, 1);
+ toFixedHelpers.divide(2);
+ m = toFixedHelpers.numToString();
+ } else {
+ toFixedHelpers.multiply(0, z);
+ toFixedHelpers.multiply(1 << (-e), 0);
+ m = toFixedHelpers.numToString() + strSlice('0.00000000000000000000', 2, 2 + f);
+ }
+ }
+
+ if (f > 0) {
+ k = m.length;
+
+ if (k <= f) {
+ m = s + strSlice('0.0000000000000000000', 0, f - k + 2) + m;
+ } else {
+ m = s + strSlice(m, 0, k - f) + '.' + strSlice(m, k - f);
+ }
+ } else {
+ m = s + m;
+ }
+
+ return m;
+ };
+ defineProperties(NumberPrototype, { toFixed: toFixedShim }, hasToFixedBugs);
+
+ var hasToPrecisionUndefinedBug = (function () {
+ try {
+ return 1.0.toPrecision(undefined) === '1';
+ } catch (e) {
+ return true;
+ }
+ }());
+ var originalToPrecision = NumberPrototype.toPrecision;
+ defineProperties(NumberPrototype, {
+ toPrecision: function toPrecision(precision) {
+ return typeof precision === 'undefined' ? originalToPrecision.call(this) : originalToPrecision.call(this, precision);
+ }
+ }, hasToPrecisionUndefinedBug);
+
+ //
+ // String
+ // ======
+ //
+
+ // ES5 15.5.4.14
+ // http://es5.github.com/#x15.5.4.14
+
+ // [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers]
+ // Many browsers do not split properly with regular expressions or they
+ // do not perform the split correctly under obscure conditions.
+ // See http://blog.stevenlevithan.com/archives/cross-browser-split
+ // I've tested in many browsers and this seems to cover the deviant ones:
+ // 'ab'.split(/(?:ab)*/) should be ["", ""], not [""]
+ // '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""]
+ // 'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not
+ // [undefined, "t", undefined, "e", ...]
+ // ''.split(/.?/) should be [], not [""]
+ // '.'.split(/()()/) should be ["."], not ["", "", "."]
+
+ if (
+ 'ab'.split(/(?:ab)*/).length !== 2 ||
+ '.'.split(/(.?)(.?)/).length !== 4 ||
+ 'tesst'.split(/(s)*/)[1] === 't' ||
+ 'test'.split(/(?:)/, -1).length !== 4 ||
+ ''.split(/.?/).length ||
+ '.'.split(/()()/).length > 1
+ ) {
+ (function () {
+ var compliantExecNpcg = typeof (/()??/).exec('')[1] === 'undefined'; // NPCG: nonparticipating capturing group
+ var maxSafe32BitInt = Math.pow(2, 32) - 1;
+
+ StringPrototype.split = function (separator, limit) {
+ var string = String(this);
+ if (typeof separator === 'undefined' && limit === 0) {
+ return [];
+ }
+
+ // If `separator` is not a regex, use native split
+ if (!isRegex(separator)) {
+ return strSplit(this, separator, limit);
+ }
+
+ var output = [];
+ var flags = (separator.ignoreCase ? 'i' : '') +
+ (separator.multiline ? 'm' : '') +
+ (separator.unicode ? 'u' : '') + // in ES6
+ (separator.sticky ? 'y' : ''), // Firefox 3+ and ES6
+ lastLastIndex = 0,
+ // Make `global` and avoid `lastIndex` issues by working with a copy
+ separator2, match, lastIndex, lastLength;
+ var separatorCopy = new RegExp(separator.source, flags + 'g');
+ if (!compliantExecNpcg) {
+ // Doesn't need flags gy, but they don't hurt
+ separator2 = new RegExp('^' + separatorCopy.source + '$(?!\\s)', flags);
+ }
+ /* Values for `limit`, per the spec:
+ * If undefined: 4294967295 // maxSafe32BitInt
+ * If 0, Infinity, or NaN: 0
+ * If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296;
+ * If negative number: 4294967296 - Math.floor(Math.abs(limit))
+ * If other: Type-convert, then use the above rules
+ */
+ var splitLimit = typeof limit === 'undefined' ? maxSafe32BitInt : ES.ToUint32(limit);
+ match = separatorCopy.exec(string);
+ while (match) {
+ // `separatorCopy.lastIndex` is not reliable cross-browser
+ lastIndex = match.index + match[0].length;
+ if (lastIndex > lastLastIndex) {
+ pushCall(output, strSlice(string, lastLastIndex, match.index));
+ // Fix browsers whose `exec` methods don't consistently return `undefined` for
+ // nonparticipating capturing groups
+ if (!compliantExecNpcg && match.length > 1) {
+ /* eslint-disable no-loop-func */
+ match[0].replace(separator2, function () {
+ for (var i = 1; i < arguments.length - 2; i++) {
+ if (typeof arguments[i] === 'undefined') {
+ match[i] = void 0;
+ }
+ }
+ });
+ /* eslint-enable no-loop-func */
+ }
+ if (match.length > 1 && match.index < string.length) {
+ array_push.apply(output, arraySlice(match, 1));
+ }
+ lastLength = match[0].length;
+ lastLastIndex = lastIndex;
+ if (output.length >= splitLimit) {
+ break;
+ }
+ }
+ if (separatorCopy.lastIndex === match.index) {
+ separatorCopy.lastIndex++; // Avoid an infinite loop
+ }
+ match = separatorCopy.exec(string);
+ }
+ if (lastLastIndex === string.length) {
+ if (lastLength || !separatorCopy.test('')) {
+ pushCall(output, '');
+ }
+ } else {
+ pushCall(output, strSlice(string, lastLastIndex));
+ }
+ return output.length > splitLimit ? arraySlice(output, 0, splitLimit) : output;
+ };
+ }());
+
+ // [bugfix, chrome]
+ // If separator is undefined, then the result array contains just one String,
+ // which is the this value (converted to a String). If limit is not undefined,
+ // then the output array is truncated so that it contains no more than limit
+ // elements.
+ // "0".split(undefined, 0) -> []
+ } else if ('0'.split(void 0, 0).length) {
+ StringPrototype.split = function split(separator, limit) {
+ if (typeof separator === 'undefined' && limit === 0) {
+ return [];
+ }
+ return strSplit(this, separator, limit);
+ };
+ }
+
+ var str_replace = StringPrototype.replace;
+ var replaceReportsGroupsCorrectly = (function () {
+ var groups = [];
+ 'x'.replace(/x(.)?/g, function (match, group) {
+ pushCall(groups, group);
+ });
+ return groups.length === 1 && typeof groups[0] === 'undefined';
+ }());
+
+ if (!replaceReportsGroupsCorrectly) {
+ StringPrototype.replace = function replace(searchValue, replaceValue) {
+ var isFn = isCallable(replaceValue);
+ var hasCapturingGroups = isRegex(searchValue) && (/\)[*?]/).test(searchValue.source);
+ if (!isFn || !hasCapturingGroups) {
+ return str_replace.call(this, searchValue, replaceValue);
+ } else {
+ var wrappedReplaceValue = function (match) {
+ var length = arguments.length;
+ var originalLastIndex = searchValue.lastIndex;
+ searchValue.lastIndex = 0;
+ var args = searchValue.exec(match) || [];
+ searchValue.lastIndex = originalLastIndex;
+ pushCall(args, arguments[length - 2], arguments[length - 1]);
+ return replaceValue.apply(this, args);
+ };
+ return str_replace.call(this, searchValue, wrappedReplaceValue);
+ }
+ };
+ }
+
+ // ECMA-262, 3rd B.2.3
+ // Not an ECMAScript standard, although ECMAScript 3rd Edition has a
+ // non-normative section suggesting uniform semantics and it should be
+ // normalized across all browsers
+ // [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE
+ var string_substr = StringPrototype.substr;
+ var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b';
+ defineProperties(StringPrototype, {
+ substr: function substr(start, length) {
+ var normalizedStart = start;
+ if (start < 0) {
+ normalizedStart = max(this.length + start, 0);
+ }
+ return string_substr.call(this, normalizedStart, length);
+ }
+ }, hasNegativeSubstrBug);
+
+ // ES5 15.5.4.20
+ // whitespace from: http://es5.github.io/#x15.5.4.20
+ var ws = '\x09\x0A\x0B\x0C\x0D\x20\xA0\u1680\u180E\u2000\u2001\u2002\u2003' +
+ '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028' +
+ '\u2029\uFEFF';
+ var zeroWidth = '\u200b';
+ var wsRegexChars = '[' + ws + ']';
+ var trimBeginRegexp = new RegExp('^' + wsRegexChars + wsRegexChars + '*');
+ var trimEndRegexp = new RegExp(wsRegexChars + wsRegexChars + '*$');
+ var hasTrimWhitespaceBug = StringPrototype.trim && (ws.trim() || !zeroWidth.trim());
+ defineProperties(StringPrototype, {
+ // http://blog.stevenlevithan.com/archives/faster-trim-javascript
+ // http://perfectionkills.com/whitespace-deviations/
+ trim: function trim() {
+ if (typeof this === 'undefined' || this === null) {
+ throw new TypeError("can't convert " + this + ' to object');
+ }
+ return $String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, '');
+ }
+ }, hasTrimWhitespaceBug);
+ var trim = call.bind(String.prototype.trim);
+
+ var hasLastIndexBug = StringPrototype.lastIndexOf && 'abcあい'.lastIndexOf('あい', 2) !== -1;
+ defineProperties(StringPrototype, {
+ lastIndexOf: function lastIndexOf(searchString) {
+ if (typeof this === 'undefined' || this === null) {
+ throw new TypeError("can't convert " + this + ' to object');
+ }
+ var S = $String(this);
+ var searchStr = $String(searchString);
+ var numPos = arguments.length > 1 ? $Number(arguments[1]) : NaN;
+ var pos = isActualNaN(numPos) ? Infinity : ES.ToInteger(numPos);
+ var start = min(max(pos, 0), S.length);
+ var searchLen = searchStr.length;
+ var k = start + searchLen;
+ while (k > 0) {
+ k = max(0, k - searchLen);
+ var index = strIndexOf(strSlice(S, k, start + searchLen), searchStr);
+ if (index !== -1) {
+ return k + index;
+ }
+ }
+ return -1;
+ }
+ }, hasLastIndexBug);
+
+ var originalLastIndexOf = StringPrototype.lastIndexOf;
+ defineProperties(StringPrototype, {
+ lastIndexOf: function lastIndexOf(searchString) {
+ return originalLastIndexOf.apply(this, arguments);
+ }
+ }, StringPrototype.lastIndexOf.length !== 1);
+
+ // ES-5 15.1.2.2
+ /* eslint-disable radix */
+ if (parseInt(ws + '08') !== 8 || parseInt(ws + '0x16') !== 22) {
+ /* eslint-enable radix */
+ /* global parseInt: true */
+ parseInt = (function (origParseInt) {
+ var hexRegex = /^[\-+]?0[xX]/;
+ return function parseInt(str, radix) {
+ var string = trim(String(str));
+ var defaultedRadix = $Number(radix) || (hexRegex.test(string) ? 16 : 10);
+ return origParseInt(string, defaultedRadix);
+ };
+ }(parseInt));
+ }
+
+ // https://es5.github.io/#x15.1.2.3
+ if (1 / parseFloat('-0') !== -Infinity) {
+ /* global parseFloat: true */
+ parseFloat = (function (origParseFloat) {
+ return function parseFloat(string) {
+ var inputString = trim(String(string));
+ var result = origParseFloat(inputString);
+ return result === 0 && strSlice(inputString, 0, 1) === '-' ? -0 : result;
+ };
+ }(parseFloat));
+ }
+
+ if (String(new RangeError('test')) !== 'RangeError: test') {
+ var errorToStringShim = function toString() {
+ if (typeof this === 'undefined' || this === null) {
+ throw new TypeError("can't convert " + this + ' to object');
+ }
+ var name = this.name;
+ if (typeof name === 'undefined') {
+ name = 'Error';
+ } else if (typeof name !== 'string') {
+ name = $String(name);
+ }
+ var msg = this.message;
+ if (typeof msg === 'undefined') {
+ msg = '';
+ } else if (typeof msg !== 'string') {
+ msg = $String(msg);
+ }
+ if (!name) {
+ return msg;
+ }
+ if (!msg) {
+ return name;
+ }
+ return name + ': ' + msg;
+ };
+ // can't use defineProperties here because of toString enumeration issue in IE <= 8
+ Error.prototype.toString = errorToStringShim;
+ }
+
+ if (supportsDescriptors) {
+ var ensureNonEnumerable = function (obj, prop) {
+ if (isEnum(obj, prop)) {
+ var desc = Object.getOwnPropertyDescriptor(obj, prop);
+ if (desc.configurable) {
+ desc.enumerable = false;
+ Object.defineProperty(obj, prop, desc);
+ }
+ }
+ };
+ ensureNonEnumerable(Error.prototype, 'message');
+ if (Error.prototype.message !== '') {
+ Error.prototype.message = '';
+ }
+ ensureNonEnumerable(Error.prototype, 'name');
+ }
+
+ if (String(/a/mig) !== '/a/gim') {
+ var regexToString = function toString() {
+ var str = '/' + this.source + '/';
+ if (this.global) {
+ str += 'g';
+ }
+ if (this.ignoreCase) {
+ str += 'i';
+ }
+ if (this.multiline) {
+ str += 'm';
+ }
+ return str;
+ };
+ // can't use defineProperties here because of toString enumeration issue in IE <= 8
+ RegExp.prototype.toString = regexToString;
+ }
+}));
projects / yaffs-website / blobdiff