bower_components/es5-shim/es5-shim.js
// Copyright 2009-2012 by contributors, MIT License
// vim: ts=4 sts=4 sw=4 expandtab
// Module systems magic dance
(function (definition) {
// RequireJS
if (typeof define == "function") {
define(definition);
// YUI3
} else if (typeof YUI == "function") {
YUI.add("es5", definition);
// CommonJS and <script>
} else {
definition();
}
})(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/
*/
//
// Function
// ========
//
// ES-5 15.3.4.5
// http://es5.github.com/#x15.3.4.5
function Empty() {}
if (!Function.prototype.bind) {
Function.prototype.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 (typeof target != "function") {
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 = 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 = target.apply(
this,
args.concat(_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 target.apply(
that,
args.concat(_Array_slice_.call(arguments))
);
}
};
if(target.prototype) {
Empty.prototype = target.prototype;
bound.prototype = new Empty();
// Clean up dangling references.
Empty.prototype = null;
}
// XXX bound.length is never writable, so don't even try
//
// 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.
// 17. Set the attributes of the length own property of F to the values
// specified in 15.3.5.1.
// 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;
};
}
// Shortcut to an often accessed properties, in order to avoid multiple
// dereference that costs universally.
// _Please note: Shortcuts are defined after `Function.prototype.bind` as we
// us it in defining shortcuts.
var call = Function.prototype.call;
var prototypeOfArray = Array.prototype;
var prototypeOfObject = Object.prototype;
var _Array_slice_ = prototypeOfArray.slice;
// Having a toString local variable name breaks in Opera so use _toString.
var _toString = call.bind(prototypeOfObject.toString);
var owns = call.bind(prototypeOfObject.hasOwnProperty);
// If JS engine supports accessors creating shortcuts.
var defineGetter;
var defineSetter;
var lookupGetter;
var lookupSetter;
var supportsAccessors;
if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
defineGetter = call.bind(prototypeOfObject.__defineGetter__);
defineSetter = call.bind(prototypeOfObject.__defineSetter__);
lookupGetter = call.bind(prototypeOfObject.__lookupGetter__);
lookupSetter = call.bind(prototypeOfObject.__lookupSetter__);
}
//
// Array
// =====
//
// ES5 15.4.4.12
// http://es5.github.com/#x15.4.4.12
// Default value for second param
// [bugfix, ielt9, old browsers]
// IE < 9 bug: [1,2].splice(0).join("") == "" but should be "12"
if ([1,2].splice(0).length != 2) {
var array_splice = Array.prototype.splice;
if(function() { // test IE < 9 to splice bug - see issue #138
function makeArray(l) {
var a = [];
while (l--) {
a.unshift(l)
}
return a
}
var array = []
, lengthBefore
;
array.splice.bind(array, 0, 0).apply(null, makeArray(20));
array.splice.bind(array, 0, 0).apply(null, makeArray(26));
lengthBefore = array.length; //20
array.splice(5, 0, "XXX"); // add one element
if(lengthBefore + 1 == array.length) {
return true;// has right splice implementation without bugs
}
// else {
// IE8 bug
// }
}()) {//IE 6/7
Array.prototype.splice = function(start, deleteCount) {
if (!arguments.length) {
return [];
} else {
return array_splice.apply(this, [
start === void 0 ? 0 : start,
deleteCount === void 0 ? (this.length - start) : deleteCount
].concat(_Array_slice_.call(arguments, 2)))
}
};
}
else {//IE8
Array.prototype.splice = function(start, deleteCount) {
var result
, args = _Array_slice_.call(arguments, 2)
, addElementsCount = args.length
;
if(!arguments.length) {
return [];
}
if(start === void 0) { // default
start = 0;
}
if(deleteCount === void 0) { // default
deleteCount = this.length - start;
}
if(addElementsCount > 0) {
if(deleteCount <= 0) {
if(start == this.length) { // tiny optimisation #1
this.push.apply(this, args);
return [];
}
if(start == 0) { // tiny optimisation #2
this.unshift.apply(this, args);
return [];
}
}
// Array.prototype.splice implementation
result = _Array_slice_.call(this, start, start + deleteCount);// delete part
args.push.apply(args, _Array_slice_.call(this, start + deleteCount, this.length));// right part
args.unshift.apply(args, _Array_slice_.call(this, 0, start));// left part
// delete all items from this array and replace it to 'left part' + _Array_slice_.call(arguments, 2) + 'right part'
args.unshift(0, this.length);
array_splice.apply(this, args);
return result;
}
return array_splice.call(this, start, deleteCount);
}
}
}
// 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"
if ([].unshift(0) != 1) {
var array_unshift = Array.prototype.unshift;
Array.prototype.unshift = function() {
array_unshift.apply(this, arguments);
return this.length;
};
}
// ES5 15.4.3.2
// http://es5.github.com/#x15.4.3.2
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
if (!Array.isArray) {
Array.isArray = function isArray(obj) {
return _toString(obj) == "[object Array]";
};
}
// 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"),
splitString = boxedString[0] != "a" || !(0 in boxedString);
if (!Array.prototype.forEach) {
Array.prototype.forEach = function forEach(fun /*, thisp*/) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
thisp = arguments[1],
i = -1,
length = self.length >>> 0;
// If no callback function or if callback is not a callable function
if (_toString(fun) != "[object Function]") {
throw new TypeError(); // TODO message
}
while (++i < length) {
if (i in self) {
// Invoke the callback function with call, passing arguments:
// context, property value, property key, thisArg object
// context
fun.call(thisp, self[i], i, object);
}
}
};
}
// 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
if (!Array.prototype.map) {
Array.prototype.map = function map(fun /*, thisp*/) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0,
result = Array(length),
thisp = arguments[1];
// If no callback function or if callback is not a callable function
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
for (var i = 0; i < length; i++) {
if (i in self)
result[i] = fun.call(thisp, self[i], i, object);
}
return result;
};
}
// 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
if (!Array.prototype.filter) {
Array.prototype.filter = function filter(fun /*, thisp */) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0,
result = [],
value,
thisp = arguments[1];
// If no callback function or if callback is not a callable function
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
for (var i = 0; i < length; i++) {
if (i in self) {
value = self[i];
if (fun.call(thisp, value, i, object)) {
result.push(value);
}
}
}
return result;
};
}
// ES5 15.4.4.16
// http://es5.github.com/#x15.4.4.16
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
if (!Array.prototype.every) {
Array.prototype.every = function every(fun /*, thisp */) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0,
thisp = arguments[1];
// If no callback function or if callback is not a callable function
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
for (var i = 0; i < length; i++) {
if (i in self && !fun.call(thisp, self[i], i, object)) {
return false;
}
}
return true;
};
}
// ES5 15.4.4.17
// http://es5.github.com/#x15.4.4.17
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
if (!Array.prototype.some) {
Array.prototype.some = function some(fun /*, thisp */) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0,
thisp = arguments[1];
// If no callback function or if callback is not a callable function
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
for (var i = 0; i < length; i++) {
if (i in self && fun.call(thisp, self[i], i, object)) {
return true;
}
}
return false;
};
}
// 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
if (!Array.prototype.reduce) {
Array.prototype.reduce = function reduce(fun /*, initial*/) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0;
// If no callback function or if callback is not a callable function
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
// no value to return if no initial value and an empty array
if (!length && 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 = fun.call(void 0, result, self[i], i, object);
}
}
return result;
};
}
// 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
if (!Array.prototype.reduceRight) {
Array.prototype.reduceRight = function reduceRight(fun /*, initial*/) {
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
length = self.length >>> 0;
// If no callback function or if callback is not a callable function
if (_toString(fun) != "[object Function]") {
throw new TypeError(fun + " is not a function");
}
// no value to return if no initial value, empty array
if (!length && arguments.length == 1) {
throw new TypeError("reduceRight of empty array with no initial value");
}
var result, 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 this) {
result = fun.call(void 0, result, self[i], i, object);
}
} while (i--);
return result;
};
}
// ES5 15.4.4.14
// http://es5.github.com/#x15.4.4.14
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
if (!Array.prototype.indexOf || ([0, 1].indexOf(1, 2) != -1)) {
Array.prototype.indexOf = function indexOf(sought /*, fromIndex */ ) {
var self = splitString && _toString(this) == "[object String]" ?
this.split("") :
toObject(this),
length = self.length >>> 0;
if (!length) {
return -1;
}
var i = 0;
if (arguments.length > 1) {
i = toInteger(arguments[1]);
}
// handle negative indices
i = i >= 0 ? i : Math.max(0, length + i);
for (; i < length; i++) {
if (i in self && self[i] === sought) {
return i;
}
}
return -1;
};
}
// ES5 15.4.4.15
// http://es5.github.com/#x15.4.4.15
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/lastIndexOf
if (!Array.prototype.lastIndexOf || ([0, 1].lastIndexOf(0, -3) != -1)) {
Array.prototype.lastIndexOf = function lastIndexOf(sought /*, fromIndex */) {
var self = splitString && _toString(this) == "[object String]" ?
this.split("") :
toObject(this),
length = self.length >>> 0;
if (!length) {
return -1;
}
var i = length - 1;
if (arguments.length > 1) {
i = Math.min(i, toInteger(arguments[1]));
}
// handle negative indices
i = i >= 0 ? i : length - Math.abs(i);
for (; i >= 0; i--) {
if (i in self && sought === self[i]) {
return i;
}
}
return -1;
};
}
//
// Object
// ======
//
// ES5 15.2.3.14
// http://es5.github.com/#x15.2.3.14
if (!Object.keys) {
// http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
var hasDontEnumBug = true,
dontEnums = [
"toString",
"toLocaleString",
"valueOf",
"hasOwnProperty",
"isPrototypeOf",
"propertyIsEnumerable",
"constructor"
],
dontEnumsLength = dontEnums.length;
for (var key in {"toString": null}) {
hasDontEnumBug = false;
}
Object.keys = function keys(object) {
if (
(typeof object != "object" && typeof object != "function") ||
object === null
) {
throw new TypeError("Object.keys called on a non-object");
}
var keys = [];
for (var name in object) {
if (owns(object, name)) {
keys.push(name);
}
}
if (hasDontEnumBug) {
for (var i = 0, ii = dontEnumsLength; i < ii; i++) {
var dontEnum = dontEnums[i];
if (owns(object, dontEnum)) {
keys.push(dontEnum);
}
}
}
return keys;
};
}
//
// Date
// ====
//
// 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,
negativeYearString = "-000001";
if (
!Date.prototype.toISOString ||
(new Date(negativeDate).toISOString().indexOf(negativeYearString) === -1)
) {
Date.prototype.toISOString = function toISOString() {
var result, length, value, year, month;
if (!isFinite(this)) {
throw new RangeError("Date.prototype.toISOString called on non-finite value.");
}
year = this.getUTCFullYear();
month = this.getUTCMonth();
// see https://github.com/kriskowal/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()];
year = (
(year < 0 ? "-" : (year > 9999 ? "+" : "")) +
("00000" + Math.abs(year))
.slice(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;
}
}
// pad milliseconds to have three digits.
return (
year + "-" + result.slice(0, 2).join("-") +
"T" + result.slice(2).join(":") + "." +
("000" + this.getUTCMilliseconds()).slice(-3) + "Z"
);
};
}
// 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 = false;
try {
dateToJSONIsSupported = (
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) {
}
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 toPrimitive(O, hint Number).
var o = Object(this),
tv = toPrimitive(o),
toISO;
// 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".
toISO = o.toISOString;
// 5. If IsCallable(toISO) is false, throw a TypeError exception.
if (typeof toISO != "function") {
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
if (!Date.parse || "Date.parse is buggy") {
// XXX global assignment won't work in embeddings that use
// an alternate object for the context.
Date = (function(NativeDate) {
// Date.length === 7
function Date(Y, M, D, h, m, s, ms) {
var length = arguments.length;
if (this instanceof NativeDate) {
var date = length == 1 && String(Y) === Y ? // isString(Y)
// We explicitly pass it through parse:
new NativeDate(Date.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 >= 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) :
new NativeDate();
// Prevent mixups with unfixed Date object
date.constructor = Date;
return date;
}
return NativeDate.apply(this, arguments);
};
// 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
];
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)
);
}
// Copy any custom methods a 3rd party library may have added
for (var key in NativeDate) {
Date[key] = NativeDate[key];
}
// Copy "native" methods explicitly; they may be non-enumerable
Date.now = NativeDate.now;
Date.UTC = NativeDate.UTC;
Date.prototype = NativeDate.prototype;
Date.prototype.constructor = Date;
// Upgrade Date.parse to handle simplified ISO 8601 strings
Date.parse = 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
offset = !match[4] || match[8] ?
0 : Number(new NativeDate(1970, 0)),
signOffset = match[9] === "-" ? 1 : -1,
hourOffset = Number(match[10] || 0),
minuteOffset = Number(match[11] || 0),
result;
if (
hour < (
minute > 0 || second > 0 || millisecond > 0 ?
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 + offset;
if (-8.64e15 <= result && result <= 8.64e15) {
return result;
}
}
return NaN;
}
return NativeDate.parse.apply(this, arguments);
};
return Date;
})(Date);
}
// 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
if (!Number.prototype.toFixed || (0.00008).toFixed(3) !== '0.000' || (0.9).toFixed(0) === '0' || (1.255).toFixed(2) !== '1.25' || (1000000000000000128).toFixed(0) !== "1000000000000000128") {
// Hide these variables and functions
(function () {
var base, size, data, i;
base = 1e7;
size = 6;
data = [0, 0, 0, 0, 0, 0];
function multiply(n, c) {
var i = -1;
while (++i < size) {
c += n * data[i];
data[i] = c % base;
c = Math.floor(c / base);
}
}
function divide(n) {
var i = size, c = 0;
while (--i >= 0) {
c += data[i];
data[i] = Math.floor(c / n);
c = (c % n) * base;
}
}
function toString() {
var i = size;
var s = '';
while (--i >= 0) {
if (s !== '' || i === 0 || data[i] !== 0) {
var t = String(data[i]);
if (s === '') {
s = t;
} else {
s += '0000000'.slice(0, 7 - t.length) + t;
}
}
}
return s;
}
function pow(x, n, acc) {
return (n === 0 ? acc : (n % 2 === 1 ? pow(x, n - 1, acc * x) : pow(x * x, n / 2, acc)));
}
function log(x) {
var n = 0;
while (x >= 4096) {
n += 12;
x /= 4096;
}
while (x >= 2) {
n += 1;
x /= 2;
}
return n;
}
Number.prototype.toFixed = function (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");
}
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);
}
s = "";
if (x < 0) {
s = "-";
x = -x;
}
m = "0";
if (x > 1e-21) {
// 1e-21 < x < 1e21
// -70 < log2(x) < 70
e = log(x * pow(2, 69, 1)) - 69;
z = (e < 0 ? x * pow(2, -e, 1) : x / pow(2, e, 1));
z *= 0x10000000000000; // Math.pow(2, 52);
e = 52 - e;
// -18 < e < 122
// x = z / 2 ^ e
if (e > 0) {
multiply(0, z);
j = f;
while (j >= 7) {
multiply(1e7, 0);
j -= 7;
}
multiply(pow(10, j, 1), 0);
j = e - 1;
while (j >= 23) {
divide(1 << 23);
j -= 23;
}
divide(1 << j);
multiply(1, 1);
divide(2);
m = toString();
} else {
multiply(0, z);
multiply(1 << (-e), 0);
m = toString() + '0.00000000000000000000'.slice(2, 2 + f);
}
}
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);
}
} else {
m = s + m;
}
return m;
}
}());
}
//
// String
// ======
//
// ES5 15.5.4.14
// http://es5.github.com/#x15.5.4.14
// [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) -> []
if("0".split(void 0, 0).length) {
var string_split = String.prototype.split;
String.prototype.split = function(separator, limit) {
if(separator === void 0 && limit === 0)return [];
return string_split.apply(this, arguments);
}
}
// ECMA-262, 3rd B.2.3
// Note an ECMAScript standart, 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
if("".substr && "0b".substr(-1) !== "b") {
var string_substr = String.prototype.substr;
/**
* Get the substring of a string
* @param {integer} start where to start the substring
* @param {integer} length how many characters to return
* @return {string}
*/
String.prototype.substr = function(start, length) {
return string_substr.call(
this,
start < 0 ? ((start = this.length + start) < 0 ? 0 : start) : start,
length
);
}
}
// ES5 15.5.4.20
// http://es5.github.com/#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";
if (!String.prototype.trim || ws.trim()) {
// http://blog.stevenlevithan.com/archives/faster-trim-javascript
// http://perfectionkills.com/whitespace-deviations/
ws = "[" + ws + "]";
var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
trimEndRegexp = new RegExp(ws + ws + "*$");
String.prototype.trim = function trim() {
if (this === undefined || this === null) {
throw new TypeError("can't convert "+this+" to object");
}
return String(this)
.replace(trimBeginRegexp, "")
.replace(trimEndRegexp, "");
};
}
//
// Util
// ======
//
// ES5 9.4
// http://es5.github.com/#x9.4
// http://jsperf.com/to-integer
function toInteger(n) {
n = +n;
if (n !== n) { // isNaN
n = 0;
} else if (n !== 0 && n !== (1/0) && n !== -(1/0)) {
n = (n > 0 || -1) * Math.floor(Math.abs(n));
}
return n;
}
function isPrimitive(input) {
var type = typeof input;
return (
input === null ||
type === "undefined" ||
type === "boolean" ||
type === "number" ||
type === "string"
);
}
function toPrimitive(input) {
var val, valueOf, toString;
if (isPrimitive(input)) {
return input;
}
valueOf = input.valueOf;
if (typeof valueOf === "function") {
val = valueOf.call(input);
if (isPrimitive(val)) {
return val;
}
}
toString = input.toString;
if (typeof toString === "function") {
val = toString.call(input);
if (isPrimitive(val)) {
return val;
}
}
throw new TypeError();
}
// ES5 9.9
// http://es5.github.com/#x9.9
var toObject = function (o) {
if (o == null) { // this matches both null and undefined
throw new TypeError("can't convert "+o+" to object");
}
return Object(o);
};
});