;
// UMD (Universal Module Definition)
-// see https://github.com/umdjs/umd/blob/master/returnExports.js
+// see https://github.com/umdjs/umd/blob/master/templates/returnExports.js
(function (root, factory) {
'use strict';
- /*global define, exports, module */
+ /* global define, exports, module */
if (typeof define === 'function' && define.amd) {
// AMD. Register as an anonymous module.
define(factory);
*/
// Shortcut to an often accessed properties, in order to avoid multiple
-// dereference that costs universally.
-var ArrayPrototype = Array.prototype;
-var ObjectPrototype = Object.prototype;
-var FunctionPrototype = Function.prototype;
-var StringPrototype = String.prototype;
-var NumberPrototype = Number.prototype;
+// 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;
-var isArray = Array.isArray || function isArray(obj) {
- return to_string.call(obj) === '[object Array]';
-};
-
+/* 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, tryFunctionObject = function tryFunctionObject(value) { try { fnToStr.call(value); return true; } catch (e) { return false; } }, fnClass = '[object Function]', genClass = '[object GeneratorFunction]'; isCallable = function isCallable(value) { if (typeof value !== 'function') { return false; } if (hasToStringTag) { return tryFunctionObject(value); } var strClass = to_string.call(value); return strClass === fnClass || strClass === genClass; };
+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; };
-
-var isArguments = function isArguments(value) {
- var str = to_string.call(value);
- var isArgs = str === '[object Arguments]';
- if (!isArgs) {
- isArgs = !isArray(value) &&
- value !== null &&
- typeof value === 'object' &&
- typeof value.length === 'number' &&
- value.length >= 0 &&
- isCallable(value.callee);
- }
- return isArgs;
-};
+/* 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) { return false; }
+ return obj.x === obj;
+ } catch (e) { /* this is ES3 */
+ return false;
+ }
+}());
var defineProperties = (function (has) {
- var supportsDescriptors = Object.defineProperty && (function () {
- try {
- var obj = {};
- Object.defineProperty(obj, 'x', { enumerable: false, value: obj });
- for (var _ in obj) { return false; }
- return obj.x === obj;
- } catch (e) { /* this is ES3 */
- return false;
- }
- }());
-
- // Define configurable, writable and non-enumerable props
+ // 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, {
+ $Object.defineProperty(object, name, {
configurable: true,
enumerable: false,
writable: true,
return input === null || (type !== 'object' && type !== 'function');
};
+var isActualNaN = $Number.isNaN || function (x) { return x !== x; };
+
var ES = {
// ES5 9.4
// http://es5.github.com/#x9.4
/* replaceable with https://npmjs.com/package/es-abstract ES5.ToInteger */
ToInteger: function ToInteger(num) {
var n = +num;
- if (n !== n) { // isNaN
+ if (isActualNaN(n)) {
n = 0;
} else if (n !== 0 && n !== (1 / 0) && n !== -(1 / 0)) {
n = (n > 0 || -1) * Math.floor(Math.abs(n));
// http://es5.github.com/#x9.9
/* replaceable with https://npmjs.com/package/es-abstract ES5.ToObject */
ToObject: function (o) {
- /*jshint eqnull: true */
if (o == null) { // this matches both null and undefined
throw new TypeError("can't convert " + o + ' to object');
}
- return Object(o);
+ return $Object(o);
},
/* replaceable with https://npmjs.com/package/es-abstract ES5.ToUint32 */
// 5. Return the result of calling the [[Construct]] internal
// method of target providing args as the arguments.
- var result = target.apply(
+ var result = apply.call(
+ target,
this,
array_concat.call(args, array_slice.call(arguments))
);
- if (Object(result) === result) {
+ if ($Object(result) === result) {
return result;
}
return this;
// providing args as the arguments.
// equiv: target.call(this, ...boundArgs, ...args)
- return target.apply(
+ return apply.call(
+ target,
that,
array_concat.call(args, array_slice.call(arguments))
);
// larger.
// 16. Else set the length own property of F to 0.
- var boundLength = Math.max(0, target.length - args.length);
+ 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++) {
- boundArgs.push('$' + i);
+ array_push.call(boundArgs, '$' + i);
}
// XXX Build a dynamic function with desired amount of arguments is the only
// 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 (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder);
+ bound = $Function('binder', 'return function (' + array_join.call(boundArgs, ',') + '){ return binder.apply(this, arguments); }')(binder);
if (target.prototype) {
Empty.prototype = target.prototype;
});
// _Please note: Shortcuts are defined after `Function.prototype.bind` as we
-// us it in defining shortcuts.
+// 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
// =====
//
-// 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 = Math.max(ES.ToInteger(this.length), 0);
- if (arguments.length > 0 && typeof deleteCount !== 'number') {
- args = array_slice.call(arguments);
- if (args.length < 2) {
- args.push(this.length - start);
- } else {
- args[1] = ES.ToInteger(deleteCount);
- }
- }
- return array_splice.apply(this, args);
- }
-}, !spliceWorksWithEmptyObject);
+var isArray = $Array.isArray || function isArray(obj) {
+ return toStr(obj) === '[object Array]';
+};
// ES5 15.4.4.12
// http://es5.github.com/#x15.4.4.13
// ES5 15.4.3.2
// http://es5.github.com/#x15.4.3.2
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
-defineProperties(Array, { isArray: isArray });
+defineProperties($Array, { isArray: isArray });
// The IsCallable() check in the Array functions
// has been replaced with a strict check on the
// Check failure of by-index access of string characters (IE < 9)
// and failure of `0 in boxedString` (Rhino)
-var boxedString = Object('a');
+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) {
- method.call('foo', function (_, __, context) {
- if (typeof context !== 'object') { properlyBoxesNonStrict = false; }
- });
+ try {
+ method.call('foo', function (_, __, context) {
+ if (typeof context !== 'object') {
+ properlyBoxesNonStrict = false;
+ }
+ });
- method.call([1], function () {
- 'use strict';
+ method.call([1], function () {
+ 'use strict';
- properlyBoxesStrict = typeof this === 'string';
- }, 'x');
+ properlyBoxesStrict = typeof this === 'string';
+ }, 'x');
+ } catch (e) {
+ threwException = true;
+ }
}
- return !!method && properlyBoxesNonStrict && properlyBoxesStrict;
+ return !!method && !threwException && properlyBoxesNonStrict && properlyBoxesStrict;
};
defineProperties(ArrayPrototype, {
- forEach: function forEach(callbackfn /*, thisArg*/) {
+ forEach: function forEach(callbackfn/*, thisArg*/) {
var object = ES.ToObject(this);
- var self = splitString && isString(this) ? this.split('') : object;
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
var i = -1;
- var length = self.length >>> 0;
+ var length = ES.ToUint32(self.length);
var T;
if (arguments.length > 1) {
T = arguments[1];
if (i in self) {
// Invoke the callback function with call, passing arguments:
// context, property value, property key, thisArg object
- if (typeof T !== 'undefined') {
- callbackfn.call(T, self[i], i, object);
- } else {
+ if (typeof T === 'undefined') {
callbackfn(self[i], i, object);
+ } else {
+ callbackfn.call(T, self[i], i, object);
}
}
}
defineProperties(ArrayPrototype, {
map: function map(callbackfn/*, thisArg*/) {
var object = ES.ToObject(this);
- var self = splitString && isString(this) ? this.split('') : object;
- var length = self.length >>> 0;
- var result = Array(length);
+ 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];
for (var i = 0; i < length; i++) {
if (i in self) {
- if (typeof T !== 'undefined') {
- result[i] = callbackfn.call(T, self[i], i, object);
- } else {
+ if (typeof T === 'undefined') {
result[i] = callbackfn(self[i], i, object);
+ } else {
+ result[i] = callbackfn.call(T, self[i], i, object);
}
}
}
// 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*/) {
+ filter: function filter(callbackfn/*, thisArg*/) {
var object = ES.ToObject(this);
- var self = splitString && isString(this) ? this.split('') : object;
- var length = self.length >>> 0;
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
var result = [];
var value;
var T;
if (i in self) {
value = self[i];
if (typeof T === 'undefined' ? callbackfn(value, i, object) : callbackfn.call(T, value, i, object)) {
- result.push(value);
+ pushCall(result, value);
}
}
}
// 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*/) {
+ every: function every(callbackfn/*, thisArg*/) {
var object = ES.ToObject(this);
- var self = splitString && isString(this) ? this.split('') : object;
- var length = self.length >>> 0;
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
var T;
if (arguments.length > 1) {
T = arguments[1];
defineProperties(ArrayPrototype, {
some: function some(callbackfn/*, thisArg */) {
var object = ES.ToObject(this);
- var self = splitString && isString(this) ? this.split('') : object;
- var length = self.length >>> 0;
+ var self = splitString && isString(this) ? strSplit(this, '') : object;
+ var length = ES.ToUint32(self.length);
var T;
if (arguments.length > 1) {
T = arguments[1];
// 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';
+ reduceCoercesToObject = typeof ArrayPrototype.reduce.call('es5', function (_, __, ___, list) {
+ return list;
+ }) === 'object';
}
defineProperties(ArrayPrototype, {
- reduce: function reduce(callbackfn /*, initialValue*/) {
+ reduce: function reduce(callbackfn/*, initialValue*/) {
var object = ES.ToObject(this);
- var self = splitString && isString(this) ? this.split('') : object;
- var length = self.length >>> 0;
+ 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)) {
// 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';
+ 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) ? this.split('') : object;
- var length = self.length >>> 0;
+ 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)) {
// 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 = Array.prototype.indexOf && [0, 1].indexOf(1, 2) !== -1;
+var hasFirefox2IndexOfBug = ArrayPrototype.indexOf && [0, 1].indexOf(1, 2) !== -1;
defineProperties(ArrayPrototype, {
- indexOf: function indexOf(searchElement /*, fromIndex */) {
- var self = splitString && isString(this) ? this.split('') : ES.ToObject(this);
- var length = self.length >>> 0;
+ 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;
}
// handle negative indices
- i = i >= 0 ? i : Math.max(0, length + i);
+ i = i >= 0 ? i : max(0, length + i);
for (; i < length; i++) {
if (i in self && self[i] === searchElement) {
return i;
// 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 = Array.prototype.lastIndexOf && [0, 1].lastIndexOf(0, -3) !== -1;
+var hasFirefox2LastIndexOfBug = ArrayPrototype.lastIndexOf && [0, 1].lastIndexOf(0, -3) !== -1;
defineProperties(ArrayPrototype, {
- lastIndexOf: function lastIndexOf(searchElement /*, fromIndex */) {
- var self = splitString && isString(this) ? this.split('') : ES.ToObject(this);
- var length = self.length >>> 0;
+ 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 = Math.min(i, ES.ToInteger(arguments[1]));
+ i = min(i, ES.ToInteger(arguments[1]));
}
// handle negative indices
i = i >= 0 ? i : length - Math.abs(i);
}
}, 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
// ======
// http://es5.github.com/#x15.2.3.14
// http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
-var hasDontEnumBug = !({ 'toString': null }).propertyIsEnumerable('toString'),
- hasProtoEnumBug = function () {}.propertyIsEnumerable('prototype'),
- hasStringEnumBug = !owns('x', '0'),
- dontEnums = [
- 'toString',
- 'toLocaleString',
- 'valueOf',
- 'hasOwnProperty',
- 'isPrototypeOf',
- 'propertyIsEnumerable',
- 'constructor'
- ],
- dontEnumsLength = dontEnums.length;
-
-defineProperties(Object, {
+var hasDontEnumBug = !({ 'toString': null }).propertyIsEnumerable('toString');
+var hasProtoEnumBug = function () {}.propertyIsEnumerable('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),
- isArgs = isArguments(object),
- isObject = object !== null && typeof object === 'object',
- isStr = isObject && isString(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 skipProto = hasProtoEnumBug && isFn;
if ((isStr && hasStringEnumBug) || isArgs) {
for (var i = 0; i < object.length; ++i) {
- theKeys.push(String(i));
+ pushCall(theKeys, $String(i));
}
}
if (!isArgs) {
for (var name in object) {
if (!(skipProto && name === 'prototype') && owns(object, name)) {
- theKeys.push(String(name));
+ pushCall(theKeys, $String(name));
}
}
}
if (hasDontEnumBug) {
- var ctor = object.constructor,
- skipConstructor = ctor && ctor.prototype === object;
+ var skipConstructor = equalsConstructorPrototypeIfNotBuggy(object);
for (var j = 0; j < dontEnumsLength; j++) {
var dontEnum = dontEnums[j];
if (!(skipConstructor && dontEnum === 'constructor') && owns(object, dontEnum)) {
- theKeys.push(dontEnum);
+ pushCall(theKeys, dontEnum);
}
}
}
}
});
-var keysWorksWithArguments = Object.keys && (function () {
+var keysWorksWithArguments = $Object.keys && (function () {
// Safari 5.0 bug
- return Object.keys(arguments).length === 2;
+ return $Object.keys(arguments).length === 2;
}(1, 2));
-var originalKeys = Object.keys;
-defineProperties(Object, {
+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(ArrayPrototype.slice.call(object));
+ return originalKeys(arraySlice(object));
} else {
return originalKeys(object);
}
}
-}, !keysWorksWithArguments);
+}, !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
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() {
- var result, length, value, year, month;
- if (!isFinite(this)) {
+ if (!isFinite(this) || !isFinite(getTime(this))) {
+ // Adope Photoshop requires the second check.
throw new RangeError('Date.prototype.toISOString called on non-finite value.');
}
- year = this.getUTCFullYear();
+ var year = originalGetUTCFullYear(this);
- month = this.getUTCMonth();
+ 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.
- result = [month + 1, this.getUTCDate(), this.getUTCHours(), this.getUTCMinutes(), this.getUTCSeconds()];
+ var result = [month + 1, originalGetUTCDate(this), originalGetUTCHours(this), originalGetUTCMinutes(this), originalGetUTCSeconds(this)];
year = (
(year < 0 ? '-' : (year > 9999 ? '+' : '')) +
- ('00000' + Math.abs(year)).slice((0 <= year && year <= 9999) ? -4 : -6)
+ strSlice('00000' + Math.abs(year), (0 <= year && year <= 9999) ? -4 : -6)
);
- length = result.length;
- while (length--) {
- value = result[length];
- // pad months, days, hours, minutes, and seconds to have two
- // digits.
- if (value < 10) {
- result[length] = '0' + value;
- }
+ 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 + '-' + result.slice(0, 2).join('-') +
- 'T' + result.slice(2).join(':') + '.' +
- ('000' + this.getUTCMilliseconds()).slice(-3) + 'Z'
+ year + '-' + arraySlice(result, 0, 2).join('-') +
+ 'T' + arraySlice(result, 2).join(':') + '.' +
+ strSlice('000' + originalGetUTCMilliseconds(this), -3) + 'Z'
);
}
-}, hasNegativeDateBug);
+}, hasNegativeDateBug || hasSafari51DateBug);
// ES5 15.9.5.44
// http://es5.github.com/#x15.9.5.44
// 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 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)) {
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 (!Date.parse || doesNotParseY2KNewYear || acceptsInvalidDates || !supportsExtendedYears) {
+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*/
+ /* 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-undef*/
+ /* 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) {
- date = length === 1 && String(Y) === Y ? // isString(Y)
+ 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, s, ms) :
- length >= 6 ? new NativeDate(Y, M, D, h, m, s) :
+ 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) :
+ length >= 1 ? new NativeDate(Y instanceof NativeDate ? +Y : Y) :
new NativeDate();
} else {
date = NativeDate.apply(this, arguments);
}
- // Prevent mixups with unfixed Date object
- defineProperties(date, { constructor: DateShim }, true);
+ if (!isPrimitive(date)) {
+ // Prevent mixups with unfixed Date object
+ defineProperties(date, { constructor: DateShim }, true);
+ }
return date;
};
};
var toUTC = function toUTC(t) {
- return Number(new NativeDate(1970, 0, 1, 0, 0, 0, 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
}, true);
// Upgrade Date.parse to handle simplified ISO 8601 strings
- DateShim.parse = function parse(string) {
+ 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),
+ 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),
+ hourOffset = $Number(match[10] || 0),
+ minuteOffset = $Number(match[11] || 0),
result;
+ var hasMinutesOrSecondsOrMilliseconds = minute > 0 || second > 0 || millisecond > 0;
if (
- hour < (
- minute > 0 || second > 0 || millisecond > 0 ?
- 24 : 25
- ) &&
+ 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)
- )
+ day < (dayFromMonth(year, month + 1) - dayFromMonth(year, month))
) {
result = (
(dayFromMonth(year, month) + day) * 24 +
}
return NativeDate.parse.apply(this, arguments);
};
+ defineProperties(DateShim, { parse: parseShim });
return DateShim;
}(Date));
- /*global Date: false */
+ /* global Date: false */
}
// ES5 15.9.4.4
}
},
divide: function divide(n) {
- var i = toFixedHelpers.size, c = 0;
+ var i = toFixedHelpers.size;
+ var c = 0;
while (--i >= 0) {
c += toFixedHelpers.data[i];
toFixedHelpers.data[i] = Math.floor(c / n);
var s = '';
while (--i >= 0) {
if (s !== '' || i === 0 || toFixedHelpers.data[i] !== 0) {
- var t = String(toFixedHelpers.data[i]);
+ var t = $String(toFixedHelpers.data[i]);
if (s === '') {
s = t;
} else {
- s += '0000000'.slice(0, 7 - t.length) + t;
+ s += strSlice('0000000', 0, 7 - t.length) + t;
}
}
}
}
};
-defineProperties(NumberPrototype, {
- toFixed: function toFixed(fractionDigits) {
- var f, x, s, m, e, z, j, k;
-
- // Test for NaN and round fractionDigits down
- f = Number(fractionDigits);
- f = f !== f ? 0 : Math.floor(f);
-
- if (f < 0 || f > 20) {
- throw new RangeError('Number.toFixed called with invalid number of decimals');
- }
+var toFixedShim = function toFixed(fractionDigits) {
+ var f, x, s, m, e, z, j, k;
- x = Number(this);
-
- // Test for NaN
- if (x !== 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);
- }
+ // Test for NaN and round fractionDigits down
+ f = $Number(fractionDigits);
+ f = isActualNaN(f) ? 0 : Math.floor(f);
- s = '';
+ if (f < 0 || f > 20) {
+ throw new RangeError('Number.toFixed called with invalid number of decimals');
+ }
- if (x < 0) {
- s = '-';
- x = -x;
- }
+ x = $Number(this);
- m = '0';
+ if (isActualNaN(x)) {
+ return 'NaN';
+ }
- 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;
+ // If it is too big or small, return the string value of the number
+ if (x <= -1e21 || x >= 1e21) {
+ return $String(x);
+ }
- // -18 < e < 122
- // x = z / 2 ^ e
- if (e > 0) {
- toFixedHelpers.multiply(0, z);
- j = f;
+ s = '';
- while (j >= 7) {
- toFixedHelpers.multiply(1e7, 0);
- j -= 7;
- }
+ if (x < 0) {
+ s = '-';
+ x = -x;
+ }
- toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0);
- j = e - 1;
+ 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;
+ }
- while (j >= 23) {
- toFixedHelpers.divide(1 << 23);
- j -= 23;
- }
+ toFixedHelpers.multiply(toFixedHelpers.pow(10, j, 1), 0);
+ j = e - 1;
- 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() + '0.00000000000000000000'.slice(2, 2 + f);
+ 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 (f > 0) {
+ k = m.length;
- if (k <= f) {
- m = s + '0.0000000000000000000'.slice(0, f - k + 2) + m;
- } else {
- m = s + m.slice(0, k - f) + '.' + m.slice(k - f);
- }
+ if (k <= f) {
+ m = s + strSlice('0.0000000000000000000', 0, f - k + 2) + m;
} else {
- m = s + m;
+ m = s + strSlice(m, 0, k - f) + '.' + strSlice(m, k - f);
}
+ } else {
+ m = s + m;
+ }
+
+ return m;
+};
+defineProperties(NumberPrototype, { toFixed: toFixedShim }, hasToFixedBugs);
- return m;
+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);
}
-}, hasToFixedBugs);
+}, hasToPrecisionUndefinedBug);
//
// String
// ''.split(/.?/) should be [], not [""]
// '.'.split(/()()/) should be ["."], not ["", "", "."]
-var string_split = StringPrototype.split;
if (
'ab'.split(/(?:ab)*/).length !== 2 ||
'.'.split(/(.?)(.?)/).length !== 4 ||
) {
(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 = this;
+ var string = String(this);
if (typeof separator === 'undefined' && limit === 0) {
return [];
}
// If `separator` is not a regex, use native split
if (!isRegex(separator)) {
- return string_split.call(this, separator, limit);
+ return strSplit(this, separator, limit);
}
var output = [];
var flags = (separator.ignoreCase ? 'i' : '') +
(separator.multiline ? 'm' : '') +
- (separator.extended ? 'x' : '') + // Proposed for ES6
- (separator.sticky ? 'y' : ''), // Firefox 3+
+ (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');
- string += ''; // Type-convert
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 // Math.pow(2, 32) - 1
+ * 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' ?
- -1 >>> 0 : // Math.pow(2, 32) - 1
- ES.ToUint32(limit);
+ 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) {
- output.push(string.slice(lastLastIndex, match.index));
+ 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 */
+ /* eslint-disable no-loop-func */
match[0].replace(separator2, function () {
for (var i = 1; i < arguments.length - 2; i++) {
if (typeof arguments[i] === 'undefined') {
}
}
});
- /*eslint-enable no-loop-func */
+ /* eslint-enable no-loop-func */
}
if (match.length > 1 && match.index < string.length) {
- array_push.apply(output, match.slice(1));
+ array_push.apply(output, arraySlice(match, 1));
}
lastLength = match[0].length;
lastLastIndex = lastIndex;
}
if (lastLastIndex === string.length) {
if (lastLength || !separatorCopy.test('')) {
- output.push('');
+ pushCall(output, '');
}
} else {
- output.push(string.slice(lastLastIndex));
+ pushCall(output, strSlice(string, lastLastIndex));
}
- return output.length > splitLimit ? output.slice(0, splitLimit) : output;
+ return output.length > splitLimit ? arraySlice(output, 0, splitLimit) : output;
};
}());
} else if ('0'.split(void 0, 0).length) {
StringPrototype.split = function split(separator, limit) {
if (typeof separator === 'undefined' && limit === 0) { return []; }
- return string_split.call(this, separator, limit);
+ return strSplit(this, separator, limit);
};
}
var replaceReportsGroupsCorrectly = (function () {
var groups = [];
'x'.replace(/x(.)?/g, function (match, group) {
- groups.push(group);
+ pushCall(groups, group);
});
return groups.length === 1 && typeof groups[0] === 'undefined';
}());
searchValue.lastIndex = 0;
var args = searchValue.exec(match) || [];
searchValue.lastIndex = originalLastIndex;
- args.push(arguments[length - 2], arguments[length - 1]);
+ pushCall(args, arguments[length - 2], arguments[length - 1]);
return replaceValue.apply(this, args);
};
return str_replace.call(this, searchValue, wrappedReplaceValue);
substr: function substr(start, length) {
var normalizedStart = start;
if (start < 0) {
- normalizedStart = Math.max(this.length + start, 0);
+ normalizedStart = max(this.length + start, 0);
}
return string_substr.call(this, normalizedStart, length);
}
if (typeof this === 'undefined' || this === null) {
throw new TypeError("can't convert " + this + ' to object');
}
- return String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, '');
+ 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) {
- /*global parseInt: true */
+/* eslint-enable radix */
+ /* global parseInt: true */
parseInt = (function (origParseInt) {
- var hexRegex = /^0[xX]/;
+ var hexRegex = /^[\-+]?0[xX]/;
return function parseInt(str, radix) {
- var string = String(str).trim();
- var defaultedRadix = Number(radix) || (hexRegex.test(string) ? 16 : 10);
+ var string = trim(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);
+ 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;
+}
+
}));