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Merge pull request #1207 from ajaxorg/es5-shim

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update es5 shim to 2.0.5 (+some modifications)
This commit is contained in:
Lennart Kats 2013-02-06 02:07:23 -08:00
commit 2c84e9618f
1 changed files with 330 additions and 306 deletions
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lib/ace/lib/es5-shim.js
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@ -1,28 +1,5 @@
// vim: ts=4 sts=4 sw=4 expandtab
// -- kriskowal Kris Kowal Copyright (C) 2009-2011 MIT License
// -- tlrobinson Tom Robinson Copyright (C) 2009-2010 MIT License (Narwhal Project)
// -- dantman Daniel Friesen Copyright (C) 2010 XXX TODO License or CLA
// -- fschaefer Florian Schäfer Copyright (C) 2010 MIT License
// -- Gozala Irakli Gozalishvili Copyright (C) 2010 MIT License
// -- kitcambridge Kit Cambridge Copyright (C) 2011 MIT License
// -- kossnocorp Sasha Koss XXX TODO License or CLA
// -- bryanforbes Bryan Forbes XXX TODO License or CLA
// -- killdream Quildreen Motta Copyright (C) 2011 MIT Licence
// -- michaelficarra Michael Ficarra Copyright (C) 2011 3-clause BSD License
// -- sharkbrainguy Gerard Paapu Copyright (C) 2011 MIT License
// -- bbqsrc Brendan Molloy (C) 2011 Creative Commons Zero (public domain)
// -- iwyg XXX TODO License or CLA
// -- DomenicDenicola Domenic Denicola Copyright (C) 2011 MIT License
// -- xavierm02 Montillet Xavier XXX TODO License or CLA
// -- Raynos Raynos XXX TODO License or CLA
// -- samsonjs Sami Samhuri Copyright (C) 2010 MIT License
// -- rwldrn Rick Waldron Copyright (C) 2011 MIT License
// -- lexer Alexey Zakharov XXX TODO License or CLA
/*!
Copyright (c) 2009, 280 North Inc. http://280north.com/
MIT License. http://github.com/280north/narwhal/blob/master/README.md
*/
// https://github.com/kriskowal/es5-shim
// Copyright 2009-2012 by contributors, MIT License
define(function(require, exports, module) {
@ -32,12 +9,9 @@ define(function(require, exports, module) {
*
* Annotated ES5: http://es5.github.com/ (specific links below)
* ES5 Spec: http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-262.pdf
*
* @module
* Required reading: http://javascriptweblog.wordpress.com/2011/12/05/extending-javascript-natives/
*/
/*whatsupdoc*/
//
// Function
// ========
@ -46,13 +20,16 @@ define(function(require, exports, module) {
// 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(); // TODO message
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
@ -82,20 +59,17 @@ if (!Function.prototype.bind) {
// 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
// 5. Return the result of calling the [[Construct]] internal
// method of target providing args as the arguments.
var F = function(){};
F.prototype = target.prototype;
var self = new F;
var result = target.apply(
self,
this,
args.concat(slice.call(arguments))
);
if (result !== null && Object(result) === result)
if (Object(result) === result) {
return result;
return self;
}
return this;
} else {
// 15.3.4.5.1 [[Call]]
@ -109,11 +83,11 @@ if (!Function.prototype.bind) {
// 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
// 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
// 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)
@ -125,11 +99,17 @@ if (!Function.prototype.bind) {
}
};
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
// 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
@ -137,20 +117,20 @@ if (!Function.prototype.bind) {
// 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
// 20. Call the [[DefineOwnProperty]] internal method of F with
// arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
// thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
// thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
// false.
// 21. Call the [[DefineOwnProperty]] internal method of F with
// arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
// 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
// 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.
@ -168,7 +148,8 @@ var call = Function.prototype.call;
var prototypeOfArray = Array.prototype;
var prototypeOfObject = Object.prototype;
var slice = prototypeOfArray.slice;
var toString = call.bind(prototypeOfObject.toString);
// 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.
@ -189,12 +170,109 @@ if ((supportsAccessors = owns(prototypeOfObject, "__defineGetter__"))) {
// =====
//
// 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) {
if(function() { // test IE < 9 to splice bug - see issue #138
function makeArray(l) {
var a = new Array(l+2);
a[0] = a[1] = 0;
return a;
}
var array = [], lengthBefore;
array.splice.apply(array, makeArray(20));
array.splice.apply(array, makeArray(26));
lengthBefore = array.length; //46
array.splice(5, 0, "XXX"); // add one element
lengthBefore + 1 == array.length
if (lengthBefore + 1 == array.length) {
return true;// has right splice implementation without bugs
}
// else {
// IE8 bug
// }
}()) {//IE 6/7
var array_splice = Array.prototype.splice;
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(slice.call(arguments, 2)))
}
};
} else {//IE8
// taken from http://docs.sencha.com/ext-js/4-1/source/Array2.html
Array.prototype.splice = function(pos, removeCount){
var length = this.length;
if (pos > 0) {
if (pos > length)
pos = length;
} else if (pos == void 0) {
pos = 0;
} else if (pos < 0) {
pos = Math.max(length + pos, 0);
}
if (!(pos+removeCount < length))
removeCount = length - pos;
var removed = this.slice(pos, pos+removeCount);
var insert = slice.call(arguments, 2);
var add = insert.length;
// we try to use Array.push when we can for efficiency...
if (pos === length) {
if (add) {
this.push.apply(this, insert);
}
} else {
var remove = Math.min(removeCount, length - pos);
var tailOldPos = pos + remove;
var tailNewPos = tailOldPos + add - remove;
var tailCount = length - tailOldPos;
var lengthAfterRemove = length - remove;
if (tailNewPos < tailOldPos) { // case A
for (var i = 0; i < tailCount; ++i) {
this[tailNewPos+i] = this[tailOldPos+i];
}
} else if (tailNewPos > tailOldPos) { // case B
for (i = tailCount; i--; ) {
this[tailNewPos+i] = this[tailOldPos+i];
}
} // else, add == remove (nothing to do)
if (add && pos === lengthAfterRemove) {
this.length = lengthAfterRemove; // truncate array
this.push.apply(this, insert);
} else {
this.length = lengthAfterRemove + add; // reserves space
for (i = 0; i < add; ++i) {
this[pos+i] = insert[i];
}
}
}
return removed;
};
}
}
// 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]";
return _toString(obj) == "[object Array]";
};
}
@ -213,25 +291,34 @@ if (!Array.isArray) {
// 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 self = toObject(this),
var object = toObject(this),
self = splitString && _toString(this) == "[object String]" ?
this.split("") :
object,
thisp = arguments[1],
i = 0,
i = -1,
length = self.length >>> 0;
// If no callback function or if callback is not a callable function
if (toString(fun) != "[object Function]") {
if (_toString(fun) != "[object Function]") {
throw new TypeError(); // TODO message
}
while (i < length) {
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, self);
// context, property value, property key, thisArg object
// context
fun.call(thisp, self[i], i, object);
}
i++;
}
};
}
@ -241,19 +328,22 @@ if (!Array.prototype.forEach) {
// 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 self = toObject(this),
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(); // TODO message
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, self);
result[i] = fun.call(thisp, self[i], i, object);
}
return result;
};
@ -264,19 +354,27 @@ if (!Array.prototype.map) {
// 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 self = toObject(this),
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(); // TODO message
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, self))
result.push(self[i]);
if (i in self) {
value = self[i];
if (fun.call(thisp, value, i, object)) {
result.push(value);
}
}
}
return result;
};
@ -287,18 +385,22 @@ if (!Array.prototype.filter) {
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/every
if (!Array.prototype.every) {
Array.prototype.every = function every(fun /*, thisp */) {
var self = toObject(this),
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(); // TODO message
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, self))
if (i in self && !fun.call(thisp, self[i], i, object)) {
return false;
}
}
return true;
};
@ -309,18 +411,22 @@ if (!Array.prototype.every) {
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/some
if (!Array.prototype.some) {
Array.prototype.some = function some(fun /*, thisp */) {
var self = toObject(this),
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(); // TODO message
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, self))
if (i in self && fun.call(thisp, self[i], i, object)) {
return true;
}
}
return false;
};
@ -331,17 +437,21 @@ if (!Array.prototype.some) {
// 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 self = toObject(this),
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(); // TODO message
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(); // TODO message
if (!length && arguments.length == 1) {
throw new TypeError("reduce of empty array with no initial value");
}
var i = 0;
var result;
@ -355,14 +465,16 @@ if (!Array.prototype.reduce) {
}
// if array contains no values, no initial value to return
if (++i >= length)
throw new TypeError(); // TODO message
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, self);
if (i in self) {
result = fun.call(void 0, result, self[i], i, object);
}
}
return result;
@ -374,17 +486,21 @@ if (!Array.prototype.reduce) {
// 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 self = toObject(this),
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(); // TODO message
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(); // TODO message
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) {
@ -397,14 +513,16 @@ if (!Array.prototype.reduceRight) {
}
// if array contains no values, no initial value to return
if (--i < 0)
throw new TypeError(); // TODO message
if (--i < 0) {
throw new TypeError("reduceRight of empty array with no initial value");
}
} while (true);
}
do {
if (i in this)
result = fun.call(void 0, result, self[i], i, self);
if (i in this) {
result = fun.call(void 0, result, self[i], i, object);
}
} while (i--);
return result;
@ -414,17 +532,21 @@ if (!Array.prototype.reduceRight) {
// 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) {
if (!Array.prototype.indexOf || ([0, 1].indexOf(1, 2) != -1)) {
Array.prototype.indexOf = function indexOf(sought /*, fromIndex */ ) {
var self = toObject(this),
var self = splitString && _toString(this) == "[object String]" ?
this.split("") :
toObject(this),
length = self.length >>> 0;
if (!length)
if (!length) {
return -1;
}
var i = 0;
if (arguments.length > 1)
if (arguments.length > 1) {
i = toInteger(arguments[1]);
}
// handle negative indices
i = i >= 0 ? i : Math.max(0, length + i);
@ -440,21 +562,26 @@ if (!Array.prototype.indexOf) {
// 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) {
if (!Array.prototype.lastIndexOf || ([0, 1].lastIndexOf(0, -3) != -1)) {
Array.prototype.lastIndexOf = function lastIndexOf(sought /*, fromIndex */) {
var self = toObject(this),
var self = splitString && _toString(this) == "[object String]" ?
this.split("") :
toObject(this),
length = self.length >>> 0;
if (!length)
if (!length) {
return -1;
}
var i = length - 1;
if (arguments.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])
if (i in self && sought === self[i]) {
return i;
}
}
return -1;
};
@ -803,13 +930,18 @@ if (!Object.keys) {
],
dontEnumsLength = dontEnums.length;
for (var key in {"toString": null})
for (var key in {"toString": null}) {
hasDontEnumBug = false;
}
Object.keys = function keys(object) {
if ((typeof object != "object" && typeof object != "function") || object === null)
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) {
@ -826,49 +958,16 @@ if (!Object.keys) {
}
}
}
return keys;
};
}
//
// Date
// most of es5-shim Date section is removed since ace doesn't need it, it is too intrusive and it causes problems for users
// ====
//
// 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.
if (!Date.prototype.toISOString || (new Date(-62198755200000).toISOString().indexOf('-000001') === -1)) {
Date.prototype.toISOString = function toISOString() {
var result, length, value, year;
if (!isFinite(this))
throw new RangeError;
// the date time string format is specified in 15.9.1.15.
result = [this.getUTCMonth() + 1, this.getUTCDate(),
this.getUTCHours(), this.getUTCMinutes(), this.getUTCSeconds()];
year = this.getUTCFullYear();
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 15.9.4.4
// http://es5.github.com/#x15.9.4.4
if (!Date.now) {
@ -877,161 +976,51 @@ if (!Date.now) {
};
}
// 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).
if (!Date.prototype.toJSON) {
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).
// 3. If tv is a Number and is not finite, return null.
// XXX
// 4. Let toISO be the result of calling the [[Get]] internal method of
// O with argument "toISOString".
// 5. If IsCallable(toISO) is false, throw a TypeError exception.
if (typeof this.toISOString != "function")
throw new TypeError(); // TODO message
// 6. Return the result of calling the [[Call]] internal method of
// toISO with O as the this value and an empty argument list.
return this.toISOString();
// 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("+275760-09-13T00:00:00.000Z") !== 8.64e15) {
// XXX global assignment won't work in embeddings that use
// an alternate object for the context.
Date = (function(NativeDate) {
// Date.length === 7
var Date = 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{3}))?" + // 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
")" +
")?)?)?)?" +
"$");
// 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) {
match.shift(); // kill match[0], the full match
// parse months, days, hours, minutes, seconds, and milliseconds
for (var i = 1; i < 7; i++) {
// provide default values if necessary
match[i] = +(match[i] || (i < 3 ? 1 : 0));
// match[1] is the month. Months are 0-11 in JavaScript
// `Date` objects, but 1-12 in ISO notation, so we
// decrement.
if (i == 1)
match[i]--;
}
// parse the UTC offset component
var minuteOffset = +match.pop(), hourOffset = +match.pop(), sign = match.pop();
// compute the explicit time zone offset if specified
var offset = 0;
if (sign) {
// detect invalid offsets and return early
if (hourOffset > 23 || minuteOffset > 59)
return NaN;
// express the provided time zone offset in minutes. The offset is
// negative for time zones west of UTC; positive otherwise.
offset = (hourOffset * 60 + minuteOffset) * 6e4 * (sign == "+" ? -1 : 1);
}
// Date.UTC for years between 0 and 99 converts year to 1900 + year
// The Gregorian calendar has a 400-year cycle, so
// to Date.UTC(year + 400, .... ) - 12622780800000 == Date.UTC(year, ...),
// where 12622780800000 - number of milliseconds in Gregorian calendar 400 years
var year = +match[0];
if (0 <= year && year <= 99) {
match[0] = year + 400;
return NativeDate.UTC.apply(this, match) + offset - 12622780800000;
}
// compute a new UTC date value, accounting for the optional offset
return NativeDate.UTC.apply(this, match) + offset;
}
return NativeDate.parse.apply(this, arguments);
};
return Date;
})(Date);
}
//
// 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" +
@ -1044,7 +1033,12 @@ if (!String.prototype.trim || ws.trim()) {
var trimBeginRegexp = new RegExp("^" + ws + ws + "*"),
trimEndRegexp = new RegExp(ws + ws + "*$");
String.prototype.trim = function trim() {
return String(this).replace(trimBeginRegexp, "").replace(trimEndRegexp, "");
if (this === undefined || this === null) {
throw new TypeError("can't convert "+this+" to object");
}
return String(this)
.replace(trimBeginRegexp, "")
.replace(trimEndRegexp, "");
};
}
@ -1056,27 +1050,57 @@ if (!String.prototype.trim || ws.trim()) {
// ES5 9.4
// http://es5.github.com/#x9.4
// http://jsperf.com/to-integer
var toInteger = function (n) {
function toInteger(n) {
n = +n;
if (n !== n) // isNaN
if (n !== n) { // isNaN
n = 0;
else if (n !== 0 && n !== (1/0) && n !== -(1/0))
} 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);
};
var prepareString = "a"[0] != "a",
// ES5 9.9
// http://es5.github.com/#x9.9
toObject = function (o) {
if (o == null) { // this matches both null and undefined
throw new TypeError(); // TODO message
}
// If the implementation doesn't support by-index access of
// string characters (ex. IE < 7), split the string
if (prepareString && typeof o == "string" && o) {
return o.split("");
}
return Object(o);
};
});