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Merge pull request #1593 from Naddiseo/es5-shim-2.10
Updated es5-shim to 2.1.0
This commit is contained in:
Lachlan Collins
@@ -0,0 +1,753 @@
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// -- kriskowal Kris Kowal Copyright (C) 2009-2010 MIT License
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// -- tlrobinson Tom Robinson
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// -- dantman Daniel Friesen
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/*!
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Copyright (c) 2009, 280 North Inc. http://280north.com/
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MIT License. http://github.com/280north/narwhal/blob/master/README.md
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*/
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(function () {
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/**
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* Brings an environment as close to ECMAScript 5 compliance
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* as is possible with the facilities of erstwhile engines.
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*
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* ES5 Draft
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* http://www.ecma-international.org/publications/files/drafts/tc39-2009-050.pdf
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*
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* NOTE: this is a draft, and as such, the URL is subject to change. If the
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* link is broken, check in the parent directory for the latest TC39 PDF.
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* http://www.ecma-international.org/publications/files/drafts/
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*
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* Previous ES5 Draft
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* http://www.ecma-international.org/publications/files/drafts/tc39-2009-025.pdf
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* This is a broken link to the previous draft of ES5 on which most of the
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* numbered specification references and quotes herein were taken. Updating
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* these references and quotes to reflect the new document would be a welcome
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* volunteer project.
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*
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* @module
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*/
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/*whatsupdoc*/
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// this is often accessed, so avoid multiple dereference costs universally
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var has = Object.prototype.hasOwnProperty;
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//
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// Array
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// =====
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//
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// ES5 15.4.3.2
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if (!Array.isArray) {
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Array.isArray = function(obj) {
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return Object.prototype.toString.call(obj) == "[object Array]";
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};
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}
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// ES5 15.4.4.18
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if (!Array.prototype.forEach) {
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Array.prototype.forEach = function(block, thisObject) {
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var len = this.length >>> 0;
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for (var i = 0; i < len; i++) {
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if (i in this) {
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block.call(thisObject, this[i], i, this);
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}
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}
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};
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}
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// ES5 15.4.4.19
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// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/map
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if (!Array.prototype.map) {
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Array.prototype.map = function(fun /*, thisp*/) {
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var len = this.length >>> 0;
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if (typeof fun != "function")
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throw new TypeError();
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var res = new Array(len);
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var thisp = arguments[1];
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for (var i = 0; i < len; i++) {
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if (i in this)
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res[i] = fun.call(thisp, this[i], i, this);
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}
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return res;
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};
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}
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// ES5 15.4.4.20
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if (!Array.prototype.filter) {
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Array.prototype.filter = function (block /*, thisp */) {
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var values = [];
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var thisp = arguments[1];
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for (var i = 0; i < this.length; i++)
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if (block.call(thisp, this[i]))
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values.push(this[i]);
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return values;
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};
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}
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// ES5 15.4.4.16
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if (!Array.prototype.every) {
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Array.prototype.every = function (block /*, thisp */) {
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var thisp = arguments[1];
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for (var i = 0; i < this.length; i++)
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if (!block.call(thisp, this[i]))
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return false;
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return true;
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};
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}
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// ES5 15.4.4.17
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if (!Array.prototype.some) {
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Array.prototype.some = function (block /*, thisp */) {
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var thisp = arguments[1];
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for (var i = 0; i < this.length; i++)
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if (block.call(thisp, this[i]))
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return true;
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return false;
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};
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}
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// ES5 15.4.4.21
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// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduce
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if (!Array.prototype.reduce) {
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Array.prototype.reduce = function(fun /*, initial*/) {
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var len = this.length >>> 0;
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if (typeof fun != "function")
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throw new TypeError();
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// no value to return if no initial value and an empty array
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if (len == 0 && arguments.length == 1)
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throw new TypeError();
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||||
var i = 0;
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if (arguments.length >= 2) {
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var rv = arguments[1];
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} else {
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do {
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if (i in this) {
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rv = this[i++];
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break;
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}
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// if array contains no values, no initial value to return
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if (++i >= len)
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throw new TypeError();
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} while (true);
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}
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for (; i < len; i++) {
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if (i in this)
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rv = fun.call(null, rv, this[i], i, this);
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}
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return rv;
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};
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}
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// ES5 15.4.4.22
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// https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Objects/Array/reduceRight
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if (!Array.prototype.reduceRight) {
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Array.prototype.reduceRight = function(fun /*, initial*/) {
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var len = this.length >>> 0;
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if (typeof fun != "function")
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throw new TypeError();
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|
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// no value to return if no initial value, empty array
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if (len == 0 && arguments.length == 1)
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throw new TypeError();
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var i = len - 1;
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if (arguments.length >= 2) {
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var rv = arguments[1];
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} else {
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do {
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if (i in this) {
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rv = this[i--];
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||||
break;
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||||
}
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||||
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||||
// if array contains no values, no initial value to return
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if (--i < 0)
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||||
throw new TypeError();
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||||
} while (true);
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||||
}
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||||
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||||
for (; i >= 0; i--) {
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if (i in this)
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rv = fun.call(null, rv, this[i], i, this);
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}
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return rv;
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||||
};
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}
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||||
// ES5 15.4.4.14
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||||
if (!Array.prototype.indexOf) {
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||||
Array.prototype.indexOf = function (value /*, fromIndex */ ) {
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var length = this.length;
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||||
if (!length)
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||||
return -1;
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||||
var i = arguments[1] || 0;
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||||
if (i >= length)
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||||
return -1;
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||||
if (i < 0)
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||||
i += length;
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||||
for (; i < length; i++) {
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||||
if (!has.call(this, i))
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||||
continue;
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||||
if (value === this[i])
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||||
return i;
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||||
}
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||||
return -1;
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||||
};
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||||
}
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||||
|
||||
// ES5 15.4.4.15
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if (!Array.prototype.lastIndexOf) {
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Array.prototype.lastIndexOf = function (value /*, fromIndex */) {
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||||
var length = this.length;
|
||||
if (!length)
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||||
return -1;
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||||
var i = arguments[1] || length;
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||||
if (i < 0)
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||||
i += length;
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||||
i = Math.min(i, length - 1);
|
||||
for (; i >= 0; i--) {
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||||
if (!has.call(this, i))
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||||
continue;
|
||||
if (value === this[i])
|
||||
return i;
|
||||
}
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||||
return -1;
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||||
};
|
||||
}
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|
||||
//
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||||
// Object
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||||
// ======
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||||
//
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||||
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||||
// ES5 15.2.3.2
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if (!Object.getPrototypeOf) {
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// https://github.com/kriskowal/es5-shim/issues#issue/2
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||||
// http://ejohn.org/blog/objectgetprototypeof/
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||||
// recommended by fschaefer on github
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||||
Object.getPrototypeOf = function (object) {
|
||||
return object.__proto__ || object.constructor.prototype;
|
||||
// or undefined if not available in this engine
|
||||
};
|
||||
}
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||||
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||||
// ES5 15.2.3.3
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||||
if (!Object.getOwnPropertyDescriptor) {
|
||||
Object.getOwnPropertyDescriptor = function (object) {
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return {}; // XXX
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||||
};
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||||
}
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|
||||
// ES5 15.2.3.4
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||||
if (!Object.getOwnPropertyNames) {
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||||
Object.getOwnPropertyNames = function (object) {
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return Object.keys(object);
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||||
};
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}
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|
||||
// ES5 15.2.3.5
|
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if (!Object.create) {
|
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Object.create = function(prototype, properties) {
|
||||
var object;
|
||||
if (prototype === null) {
|
||||
object = {"__proto__": null};
|
||||
} else {
|
||||
if (typeof prototype != "object")
|
||||
throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'");
|
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var Type = function () {};
|
||||
Type.prototype = prototype;
|
||||
object = new Type();
|
||||
}
|
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if (typeof properties !== "undefined")
|
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Object.defineProperties(object, properties);
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return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.6
|
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if (!Object.defineProperty) {
|
||||
Object.defineProperty = function(object, property, descriptor) {
|
||||
if (typeof descriptor == "object" && object.__defineGetter__) {
|
||||
if (has.call(descriptor, "value")) {
|
||||
if (!object.__lookupGetter__(property) && !object.__lookupSetter__(property))
|
||||
// data property defined and no pre-existing accessors
|
||||
object[property] = descriptor.value;
|
||||
if (has.call(descriptor, "get") || has.call(descriptor, "set"))
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// descriptor has a value property but accessor already exists
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throw new TypeError("Object doesn't support this action");
|
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}
|
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// fail silently if "writable", "enumerable", or "configurable"
|
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// are requested but not supported
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/*
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// alternate approach:
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||||
if ( // can't implement these features; allow false but not true
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||||
!(has.call(descriptor, "writable") ? descriptor.writable : true) ||
|
||||
!(has.call(descriptor, "enumerable") ? descriptor.enumerable : true) ||
|
||||
!(has.call(descriptor, "configurable") ? descriptor.configurable : true)
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||||
)
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throw new RangeError(
|
||||
"This implementation of Object.defineProperty does not " +
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||||
"support configurable, enumerable, or writable."
|
||||
);
|
||||
*/
|
||||
else if (typeof descriptor.get == "function")
|
||||
object.__defineGetter__(property, descriptor.get);
|
||||
if (typeof descriptor.set == "function")
|
||||
object.__defineSetter__(property, descriptor.set);
|
||||
}
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return object;
|
||||
};
|
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}
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|
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// ES5 15.2.3.7
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if (!Object.defineProperties) {
|
||||
Object.defineProperties = function(object, properties) {
|
||||
for (var property in properties) {
|
||||
if (has.call(properties, property))
|
||||
Object.defineProperty(object, property, properties[property]);
|
||||
}
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.8
|
||||
if (!Object.seal) {
|
||||
Object.seal = function (object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.9
|
||||
if (!Object.freeze) {
|
||||
Object.freeze = function (object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// detect a Rhino bug and patch it
|
||||
try {
|
||||
Object.freeze(function () {});
|
||||
} catch (exception) {
|
||||
Object.freeze = (function (freeze) {
|
||||
return function (object) {
|
||||
if (typeof object == "function") {
|
||||
return object;
|
||||
} else {
|
||||
return freeze(object);
|
||||
}
|
||||
};
|
||||
})(Object.freeze);
|
||||
}
|
||||
|
||||
// ES5 15.2.3.10
|
||||
if (!Object.preventExtensions) {
|
||||
Object.preventExtensions = function (object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.11
|
||||
if (!Object.isSealed) {
|
||||
Object.isSealed = function (object) {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.12
|
||||
if (!Object.isFrozen) {
|
||||
Object.isFrozen = function (object) {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.13
|
||||
if (!Object.isExtensible) {
|
||||
Object.isExtensible = function (object) {
|
||||
return true;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.14
|
||||
// http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
|
||||
if (!Object.keys) {
|
||||
|
||||
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 (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 (has.call(object, name)) {
|
||||
keys.push(name);
|
||||
}
|
||||
}
|
||||
|
||||
if (hasDontEnumBug) {
|
||||
for (var i = 0, ii = dontEnumsLength; i < ii; i++) {
|
||||
var dontEnum = dontEnums[i];
|
||||
if (has.call(object, dontEnum)) {
|
||||
keys.push(dontEnum);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return keys;
|
||||
};
|
||||
|
||||
}
|
||||
|
||||
//
|
||||
// Date
|
||||
// ====
|
||||
//
|
||||
|
||||
// ES5 15.9.5.43
|
||||
// Format a Date object as a string according to a subset of the ISO-8601 standard.
|
||||
// Useful in Atom, among other things.
|
||||
if (!Date.prototype.toISOString) {
|
||||
Date.prototype.toISOString = function() {
|
||||
return (
|
||||
this.getFullYear() + "-" +
|
||||
(this.getMonth() + 1) + "-" +
|
||||
this.getDate() + "T" +
|
||||
this.getHours() + ":" +
|
||||
this.getMinutes() + ":" +
|
||||
this.getSeconds() + "Z"
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
// ES5 15.9.4.4
|
||||
if (!Date.now) {
|
||||
Date.now = function () {
|
||||
return new Date().getTime();
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.9.5.44
|
||||
if (!Date.prototype.toJSON) {
|
||||
Date.prototype.toJSON = function (key) {
|
||||
// This function provides a String representation of a Date object for
|
||||
// use by JSON.stringify (15.12.3). 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();
|
||||
// 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.
|
||||
};
|
||||
}
|
||||
|
||||
// 15.9.4.2 Date.parse (string)
|
||||
// 15.9.1.15 Date Time String Format
|
||||
// Date.parse
|
||||
// based on work shared by Daniel Friesen (dantman)
|
||||
// http://gist.github.com/303249
|
||||
if (isNaN(Date.parse("T00:00"))) {
|
||||
// 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(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("^" +
|
||||
"(?:" + // optional year-month-day
|
||||
"(" + // year capture
|
||||
"(?:[+-]\\d\\d)?" + // 15.9.1.15.1 Extended years
|
||||
"\\d\\d\\d\\d" + // four-digit year
|
||||
")" +
|
||||
"(?:-" + // optional month-day
|
||||
"(\\d\\d)" + // month capture
|
||||
"(?:-" + // optional day
|
||||
"(\\d\\d)" + // day capture
|
||||
")?" +
|
||||
")?" +
|
||||
")?" +
|
||||
"(?:T" + // hour:minute:second.subsecond
|
||||
"(\\d\\d)" + // hour capture
|
||||
":(\\d\\d)" + // minute capture
|
||||
"(?::" + // optional :second.subsecond
|
||||
"(\\d\\d)" + // second capture
|
||||
"(?:\\.(\\d\\d\\d))?" + // milisecond capture
|
||||
")?" +
|
||||
")?" +
|
||||
"(?:" + // time zone
|
||||
"Z|" + // UTC capture
|
||||
"([+-])(\\d\\d):(\\d\\d)" + // timezone offset
|
||||
// capture sign, hour, minute
|
||||
")?" +
|
||||
"$");
|
||||
|
||||
// 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 the ISO dates we use
|
||||
// TODO review specification to ascertain whether it is
|
||||
// necessary to implement partial ISO date strings.
|
||||
Date.parse = function(string) {
|
||||
var match = isoDateExpression.exec(string);
|
||||
if (match) {
|
||||
match.shift(); // kill match[0], the full match
|
||||
// recognize times without dates before normalizing the
|
||||
// numeric values, for later use
|
||||
var timeOnly = match[0] === undefined;
|
||||
// parse numerics
|
||||
for (var i = 0; i < 10; i++) {
|
||||
// skip + or - for the timezone offset
|
||||
if (i === 7)
|
||||
continue;
|
||||
// Note: parseInt would read 0-prefix numbers as
|
||||
// octal. Number constructor or unary + work better
|
||||
// here:
|
||||
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]--;
|
||||
}
|
||||
// if no year-month-date is provided, return a milisecond
|
||||
// quantity instead of a UTC date number value.
|
||||
if (timeOnly)
|
||||
return ((match[3] * 60 + match[4]) * 60 + match[5]) * 1000 + match[6];
|
||||
|
||||
// account for an explicit time zone offset if provided
|
||||
var offset = (match[8] * 60 + match[9]) * 60 * 1000;
|
||||
if (match[6] === "-")
|
||||
offset = -offset;
|
||||
|
||||
return NativeDate.UTC.apply(this, match.slice(0, 7)) + offset;
|
||||
}
|
||||
return NativeDate.parse.apply(this, arguments);
|
||||
};
|
||||
|
||||
return Date;
|
||||
})(Date);
|
||||
}
|
||||
|
||||
//
|
||||
// Function
|
||||
// ========
|
||||
//
|
||||
|
||||
// ES-5 15.3.4.5
|
||||
// http://www.ecma-international.org/publications/files/drafts/tc39-2009-025.pdf
|
||||
var slice = Array.prototype.slice;
|
||||
if (!Function.prototype.bind) {
|
||||
Function.prototype.bind = function (that) { // .length is 1
|
||||
// 1. Let Target be the this value.
|
||||
var target = this;
|
||||
// 2. If IsCallable(Target) is false, throw a TypeError exception.
|
||||
// XXX this gets pretty close, for all intents and purposes, letting
|
||||
// some duck-types slide
|
||||
if (typeof target.apply != "function" || typeof target.call != "function")
|
||||
return new TypeError();
|
||||
// 3. Let A be a new (possibly empty) internal list of all of the
|
||||
// argument values provided after thisArg (arg1, arg2 etc), in order.
|
||||
var args = slice.call(arguments);
|
||||
// 4. Let F be a new native ECMAScript object.
|
||||
// 9. Set the [[Prototype]] internal property of F to the standard
|
||||
// built-in Function prototype object as specified in 15.3.3.1.
|
||||
// 10. Set the [[Call]] internal property of F as described in
|
||||
// 15.3.4.5.1.
|
||||
// 11. Set the [[Construct]] internal property of F as described in
|
||||
// 15.3.4.5.2.
|
||||
// 12. Set the [[HasInstance]] internal property of F as described in
|
||||
// 15.3.4.5.3.
|
||||
// 13. The [[Scope]] internal property of F is unused and need not
|
||||
// exist.
|
||||
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.
|
||||
|
||||
var self = Object.create(target.prototype);
|
||||
target.apply(self, args.concat(slice.call(arguments)));
|
||||
return self;
|
||||
|
||||
} 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.call.apply(
|
||||
target,
|
||||
args.concat(slice.call(arguments))
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
};
|
||||
// 5. Set the [[TargetFunction]] internal property of F to Target.
|
||||
// extra:
|
||||
bound.bound = target;
|
||||
// 6. Set the [[BoundThis]] internal property of F to the value of
|
||||
// thisArg.
|
||||
// extra:
|
||||
bound.boundTo = that;
|
||||
// 7. Set the [[BoundArgs]] internal property of F to A.
|
||||
// extra:
|
||||
bound.boundArgs = args;
|
||||
bound.length = (
|
||||
// 14. If the [[Class]] internal property of Target is "Function", then
|
||||
typeof target == "function" ?
|
||||
// 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.
|
||||
Math.max(target.length - args.length, 0) :
|
||||
// 15. Else set the length own property of F to 0.
|
||||
0
|
||||
)
|
||||
// 16. The length own property of F is given attributes as specified in
|
||||
// 15.3.5.1.
|
||||
// TODO
|
||||
// 17. Set the [[Extensible]] internal property of F to true.
|
||||
// TODO
|
||||
// 18. Call the [[DefineOwnProperty]] internal method of F with
|
||||
// arguments "caller", PropertyDescriptor {[[Value]]: null,
|
||||
// [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]:
|
||||
// false}, and false.
|
||||
// TODO
|
||||
// 19. Call the [[DefineOwnProperty]] internal method of F with
|
||||
// arguments "arguments", PropertyDescriptor {[[Value]]: null,
|
||||
// [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]:
|
||||
// false}, and false.
|
||||
// TODO
|
||||
// NOTE Function objects created using Function.prototype.bind do not
|
||||
// have a prototype property.
|
||||
// XXX can't delete it in pure-js.
|
||||
return bound;
|
||||
};
|
||||
}
|
||||
|
||||
//
|
||||
// String
|
||||
// ======
|
||||
//
|
||||
|
||||
// ES5 15.5.4.20
|
||||
if (!String.prototype.trim) {
|
||||
// http://blog.stevenlevithan.com/archives/faster-trim-javascript
|
||||
var trimBeginRegexp = /^\s\s*/;
|
||||
var trimEndRegexp = /\s\s*$/;
|
||||
String.prototype.trim = function () {
|
||||
return String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, '');
|
||||
};
|
||||
}
|
||||
|
||||
})();
|
||||
@@ -0,0 +1,864 @@
|
||||
// vim:set ts=4 sts=4 sw=4 st:
|
||||
// -- kriskowal Kris Kowal Copyright (C) 2009-2010 MIT License
|
||||
// -- tlrobinson Tom Robinson Copyright (C) 2009-2010 MIT License (Narwhal Project)
|
||||
// -- dantman Daniel Friesen Copyright(C) 2010 XXX No License Specified
|
||||
// -- fschaefer Florian Schäfer Copyright (C) 2010 MIT License
|
||||
// -- Irakli Gozalishvili Copyright (C) 2010 MIT License
|
||||
|
||||
/*!
|
||||
Copyright (c) 2009, 280 North Inc. http://280north.com/
|
||||
MIT License. http://github.com/280north/narwhal/blob/master/README.md
|
||||
*/
|
||||
|
||||
(function (definition) {
|
||||
// RequireJS
|
||||
if (typeof define === "function") {
|
||||
define(function () {
|
||||
definition();
|
||||
});
|
||||
// CommonJS and <script>
|
||||
} else {
|
||||
definition();
|
||||
}
|
||||
|
||||
})(function (undefined) {
|
||||
|
||||
/**
|
||||
* Brings an environment as close to ECMAScript 5 compliance
|
||||
* as is possible with the facilities of erstwhile engines.
|
||||
*
|
||||
* ES5 Draft
|
||||
* http://www.ecma-international.org/publications/files/drafts/tc39-2009-050.pdf
|
||||
*
|
||||
* NOTE: this is a draft, and as such, the URL is subject to change. If the
|
||||
* link is broken, check in the parent directory for the latest TC39 PDF.
|
||||
* http://www.ecma-international.org/publications/files/drafts/
|
||||
*
|
||||
* Previous ES5 Draft
|
||||
* http://www.ecma-international.org/publications/files/drafts/tc39-2009-025.pdf
|
||||
* This is a broken link to the previous draft of ES5 on which most of the
|
||||
* numbered specification references and quotes herein were taken. Updating
|
||||
* these references and quotes to reflect the new document would be a welcome
|
||||
* volunteer project.
|
||||
*
|
||||
* @module
|
||||
*/
|
||||
|
||||
/*whatsupdoc*/
|
||||
|
||||
//
|
||||
// Function
|
||||
// ========
|
||||
//
|
||||
|
||||
// ES-5 15.3.4.5
|
||||
// http://www.ecma-international.org/publications/files/drafts/tc39-2009-025.pdf
|
||||
|
||||
if (!Function.prototype.bind) {
|
||||
var slice = Array.prototype.slice;
|
||||
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.
|
||||
// XXX this gets pretty close, for all intents and purposes, letting
|
||||
// some duck-types slide
|
||||
if (typeof target.apply !== "function" || typeof target.call !== "function")
|
||||
return new TypeError();
|
||||
// 3. Let A be a new (possibly empty) internal list of all of the
|
||||
// argument values provided after thisArg (arg1, arg2 etc), in order.
|
||||
var args = slice.call(arguments);
|
||||
// 4. Let F be a new native ECMAScript object.
|
||||
// 9. Set the [[Prototype]] internal property of F to the standard
|
||||
// built-in Function prototype object as specified in 15.3.3.1.
|
||||
// 10. Set the [[Call]] internal property of F as described in
|
||||
// 15.3.4.5.1.
|
||||
// 11. Set the [[Construct]] internal property of F as described in
|
||||
// 15.3.4.5.2.
|
||||
// 12. Set the [[HasInstance]] internal property of F as described in
|
||||
// 15.3.4.5.3.
|
||||
// 13. The [[Scope]] internal property of F is unused and need not
|
||||
// exist.
|
||||
function bound() {
|
||||
|
||||
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.
|
||||
|
||||
var self = Object.create(target.prototype);
|
||||
target.apply(self, args.concat(slice.call(arguments)));
|
||||
return self;
|
||||
|
||||
} 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.call.apply(
|
||||
target,
|
||||
args.concat(slice.call(arguments))
|
||||
);
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
bound.length = (
|
||||
// 14. If the [[Class]] internal property of Target is "Function", then
|
||||
typeof target === "function" ?
|
||||
// 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.
|
||||
Math.max(target.length - args.length, 0) :
|
||||
// 15. Else set the length own property of F to 0.
|
||||
0
|
||||
);
|
||||
// 16. The length own property of F is given attributes as specified in
|
||||
// 15.3.5.1.
|
||||
// TODO
|
||||
// 17. Set the [[Extensible]] internal property of F to true.
|
||||
// TODO
|
||||
// 18. Call the [[DefineOwnProperty]] internal method of F with
|
||||
// arguments "caller", PropertyDescriptor {[[Value]]: null,
|
||||
// [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]:
|
||||
// false}, and false.
|
||||
// TODO
|
||||
// 19. Call the [[DefineOwnProperty]] internal method of F with
|
||||
// arguments "arguments", PropertyDescriptor {[[Value]]: null,
|
||||
// [[Writable]]: false, [[Enumerable]]: false, [[Configurable]]:
|
||||
// false}, and false.
|
||||
// TODO
|
||||
// NOTE Function objects created using Function.prototype.bind do not
|
||||
// have a prototype property.
|
||||
// XXX can't delete it in pure-js.
|
||||
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 owns = call.bind(prototypeOfObject.hasOwnProperty);
|
||||
|
||||
var defineGetter, defineSetter, lookupGetter, lookupSetter, supportsAccessors;
|
||||
// If JS engine supports accessors creating shortcuts.
|
||||
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 15.4.3.2
|
||||
if (!Array.isArray) {
|
||||
Array.isArray = function isArray(obj) {
|
||||
return Object.prototype.toString.call(obj) === "[object Array]";
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.4.4.18
|
||||
if (!Array.prototype.forEach) {
|
||||
Array.prototype.forEach = function forEach(block, thisObject) {
|
||||
var len = +this.length;
|
||||
for (var i = 0; i < len; i++) {
|
||||
if (i in this) {
|
||||
block.call(thisObject, this[i], i, this);
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.4.4.19
|
||||
// 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 len = +this.length;
|
||||
if (typeof fun !== "function")
|
||||
throw new TypeError();
|
||||
|
||||
var res = new Array(len);
|
||||
var thisp = arguments[1];
|
||||
for (var i = 0; i < len; i++) {
|
||||
if (i in this)
|
||||
res[i] = fun.call(thisp, this[i], i, this);
|
||||
}
|
||||
|
||||
return res;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.4.4.20
|
||||
if (!Array.prototype.filter) {
|
||||
Array.prototype.filter = function filter(block /*, thisp */) {
|
||||
var values = [];
|
||||
var thisp = arguments[1];
|
||||
for (var i = 0; i < this.length; i++)
|
||||
if (block.call(thisp, this[i]))
|
||||
values.push(this[i]);
|
||||
return values;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.4.4.16
|
||||
if (!Array.prototype.every) {
|
||||
Array.prototype.every = function every(block /*, thisp */) {
|
||||
var thisp = arguments[1];
|
||||
for (var i = 0; i < this.length; i++)
|
||||
if (!block.call(thisp, this[i]))
|
||||
return false;
|
||||
return true;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.4.4.17
|
||||
if (!Array.prototype.some) {
|
||||
Array.prototype.some = function some(block /*, thisp */) {
|
||||
var thisp = arguments[1];
|
||||
for (var i = 0; i < this.length; i++)
|
||||
if (block.call(thisp, this[i]))
|
||||
return true;
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.4.4.21
|
||||
// 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 len = +this.length;
|
||||
// Whether to include (... || fun instanceof RegExp)
|
||||
// in the following expression 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. However, the only case where the
|
||||
// shim is applied is IE's Trident (and perhaps very
|
||||
// old revisions of other engines). In Trident,
|
||||
// regular expressions are a typeof "object", so the
|
||||
// following guard alone is sufficient.
|
||||
if (typeof fun !== "function")
|
||||
throw new TypeError();
|
||||
|
||||
// no value to return if no initial value and an empty array
|
||||
if (len === 0 && arguments.length === 1)
|
||||
throw new TypeError();
|
||||
|
||||
var i = 0;
|
||||
if (arguments.length >= 2) {
|
||||
var rv = arguments[1];
|
||||
} else {
|
||||
do {
|
||||
if (i in this) {
|
||||
rv = this[i++];
|
||||
break;
|
||||
}
|
||||
|
||||
// if array contains no values, no initial value to return
|
||||
if (++i >= len)
|
||||
throw new TypeError();
|
||||
} while (true);
|
||||
}
|
||||
|
||||
for (; i < len; i++) {
|
||||
if (i in this)
|
||||
rv = fun.call(null, rv, this[i], i, this);
|
||||
}
|
||||
|
||||
return rv;
|
||||
};
|
||||
}
|
||||
|
||||
|
||||
// ES5 15.4.4.22
|
||||
// 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 len = +this.length;
|
||||
if (typeof fun !== "function")
|
||||
throw new TypeError();
|
||||
|
||||
// no value to return if no initial value, empty array
|
||||
if (len === 0 && arguments.length === 1)
|
||||
throw new TypeError();
|
||||
|
||||
var rv, i = len - 1;
|
||||
if (arguments.length >= 2) {
|
||||
rv = arguments[1];
|
||||
} else {
|
||||
do {
|
||||
if (i in this) {
|
||||
rv = this[i--];
|
||||
break;
|
||||
}
|
||||
|
||||
// if array contains no values, no initial value to return
|
||||
if (--i < 0)
|
||||
throw new TypeError();
|
||||
} while (true);
|
||||
}
|
||||
|
||||
for (; i >= 0; i--) {
|
||||
if (i in this)
|
||||
rv = fun.call(null, rv, this[i], i, this);
|
||||
}
|
||||
|
||||
return rv;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.4.4.14
|
||||
if (!Array.prototype.indexOf) {
|
||||
Array.prototype.indexOf = function indexOf(value /*, fromIndex */ ) {
|
||||
var length = this.length;
|
||||
if (!length)
|
||||
return -1;
|
||||
var i = arguments[1] || 0;
|
||||
if (i >= length)
|
||||
return -1;
|
||||
if (i < 0)
|
||||
i += length;
|
||||
for (; i < length; i++) {
|
||||
if (!(i in this))
|
||||
continue;
|
||||
if (value === this[i])
|
||||
return i;
|
||||
}
|
||||
return -1;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.4.4.15
|
||||
if (!Array.prototype.lastIndexOf) {
|
||||
Array.prototype.lastIndexOf = function lastIndexOf(value /*, fromIndex */) {
|
||||
var length = this.length;
|
||||
if (!length)
|
||||
return -1;
|
||||
var i = arguments[1] || length;
|
||||
if (i < 0)
|
||||
i += length;
|
||||
i = Math.min(i, length - 1);
|
||||
for (; i >= 0; i--) {
|
||||
if (!(i in this))
|
||||
continue;
|
||||
if (value === this[i])
|
||||
return i;
|
||||
}
|
||||
return -1;
|
||||
};
|
||||
}
|
||||
|
||||
//
|
||||
// Object
|
||||
// ======
|
||||
//
|
||||
|
||||
// ES5 15.2.3.2
|
||||
if (!Object.getPrototypeOf) {
|
||||
// https://github.com/kriskowal/es5-shim/issues#issue/2
|
||||
// http://ejohn.org/blog/objectgetprototypeof/
|
||||
// recommended by fschaefer on github
|
||||
Object.getPrototypeOf = function getPrototypeOf(object) {
|
||||
return object.__proto__ || object.constructor.prototype;
|
||||
// or undefined if not available in this engine
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.3
|
||||
if (!Object.getOwnPropertyDescriptor) {
|
||||
var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a " +
|
||||
"non-object: ";
|
||||
Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
|
||||
if ((typeof object !== "object" && typeof object !== "function") || object === null)
|
||||
throw new TypeError(ERR_NON_OBJECT + object);
|
||||
// If object does not owns property return undefined immediately.
|
||||
if (!owns(object, property))
|
||||
return undefined;
|
||||
|
||||
var descriptor, getter, setter;
|
||||
|
||||
// If object has a property then it's for sure both `enumerable` and
|
||||
// `configurable`.
|
||||
descriptor = { enumerable: true, configurable: true };
|
||||
|
||||
// If JS engine supports accessor properties then property may be a
|
||||
// getter or setter.
|
||||
if (supportsAccessors) {
|
||||
// Unfortunately `__lookupGetter__` will return a getter even
|
||||
// if object has own non getter property along with a same named
|
||||
// inherited getter. To avoid misbehavior we temporary remove
|
||||
// `__proto__` so that `__lookupGetter__` will return getter only
|
||||
// if it's owned by an object.
|
||||
var prototype = object.__proto__;
|
||||
object.__proto__ = prototypeOfObject;
|
||||
|
||||
var getter = lookupGetter(object, property);
|
||||
var setter = lookupSetter(object, property);
|
||||
|
||||
// Once we have getter and setter we can put values back.
|
||||
object.__proto__ = prototype;
|
||||
|
||||
if (getter || setter) {
|
||||
if (getter) descriptor.get = getter;
|
||||
if (setter) descriptor.set = setter;
|
||||
|
||||
// If it was accessor property we're done and return here
|
||||
// in order to avoid adding `value` to the descriptor.
|
||||
return descriptor;
|
||||
}
|
||||
}
|
||||
|
||||
// If we got this far we know that object has an own property that is
|
||||
// not an accessor so we set it as a value and return descriptor.
|
||||
descriptor.value = object[property];
|
||||
return descriptor;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.4
|
||||
if (!Object.getOwnPropertyNames) {
|
||||
Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
|
||||
return Object.keys(object);
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.5
|
||||
if (!Object.create) {
|
||||
Object.create = function create(prototype, properties) {
|
||||
var object;
|
||||
if (prototype === null) {
|
||||
object = { "__proto__": null };
|
||||
} else {
|
||||
if (typeof prototype !== "object")
|
||||
throw new TypeError("typeof prototype["+(typeof prototype)+"] != 'object'");
|
||||
var Type = function () {};
|
||||
Type.prototype = prototype;
|
||||
object = new Type();
|
||||
// IE has no built-in implementation of `Object.getPrototypeOf`
|
||||
// neither `__proto__`, but this manually setting `__proto__` will
|
||||
// guarantee that `Object.getPrototypeOf` will work as expected with
|
||||
// objects created using `Object.create`
|
||||
object.__proto__ = prototype;
|
||||
}
|
||||
if (typeof properties !== "undefined")
|
||||
Object.defineProperties(object, properties);
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.6
|
||||
if (!Object.defineProperty) {
|
||||
var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
|
||||
var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
|
||||
var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
|
||||
"on this javascript engine";
|
||||
|
||||
Object.defineProperty = function defineProperty(object, property, descriptor) {
|
||||
if (typeof object !== "object" && typeof object !== "function")
|
||||
throw new TypeError(ERR_NON_OBJECT_TARGET + object);
|
||||
if (typeof descriptor !== "object" || descriptor === null)
|
||||
throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
|
||||
|
||||
// If it's a data property.
|
||||
if (owns(descriptor, "value")) {
|
||||
// fail silently if "writable", "enumerable", or "configurable"
|
||||
// are requested but not supported
|
||||
/*
|
||||
// alternate approach:
|
||||
if ( // can't implement these features; allow false but not true
|
||||
!(owns(descriptor, "writable") ? descriptor.writable : true) ||
|
||||
!(owns(descriptor, "enumerable") ? descriptor.enumerable : true) ||
|
||||
!(owns(descriptor, "configurable") ? descriptor.configurable : true)
|
||||
)
|
||||
throw new RangeError(
|
||||
"This implementation of Object.defineProperty does not " +
|
||||
"support configurable, enumerable, or writable."
|
||||
);
|
||||
*/
|
||||
|
||||
if (supportsAccessors && (lookupGetter(object, property) ||
|
||||
lookupSetter(object, property)))
|
||||
{
|
||||
// As accessors are supported only on engines implementing
|
||||
// `__proto__` we can safely override `__proto__` while defining
|
||||
// a property to make sure that we don't hit an inherited
|
||||
// accessor.
|
||||
var prototype = object.__proto__;
|
||||
object.__proto__ = prototypeOfObject;
|
||||
// Deleting a property anyway since getter / setter may be
|
||||
// defined on object itself.
|
||||
delete object[property];
|
||||
object[property] = descriptor.value;
|
||||
// Setting original `__proto__` back now.
|
||||
object.prototype;
|
||||
} else {
|
||||
object[property] = descriptor.value;
|
||||
}
|
||||
} else {
|
||||
if (!supportsAccessors)
|
||||
throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
|
||||
// If we got that far then getters and setters can be defined !!
|
||||
if (owns(descriptor, "get"))
|
||||
defineGetter(object, property, descriptor.get);
|
||||
if (owns(descriptor, "set"))
|
||||
defineSetter(object, property, descriptor.set);
|
||||
}
|
||||
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.7
|
||||
if (!Object.defineProperties) {
|
||||
Object.defineProperties = function defineProperties(object, properties) {
|
||||
for (var property in properties) {
|
||||
if (owns(properties, property))
|
||||
Object.defineProperty(object, property, properties[property]);
|
||||
}
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.8
|
||||
if (!Object.seal) {
|
||||
Object.seal = function seal(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.9
|
||||
if (!Object.freeze) {
|
||||
Object.freeze = function freeze(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// detect a Rhino bug and patch it
|
||||
try {
|
||||
Object.freeze(function () {});
|
||||
} catch (exception) {
|
||||
Object.freeze = (function freeze(freezeObject) {
|
||||
return function freeze(object) {
|
||||
if (typeof object === "function") {
|
||||
return object;
|
||||
} else {
|
||||
return freezeObject(object);
|
||||
}
|
||||
};
|
||||
})(Object.freeze);
|
||||
}
|
||||
|
||||
// ES5 15.2.3.10
|
||||
if (!Object.preventExtensions) {
|
||||
Object.preventExtensions = function preventExtensions(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.11
|
||||
if (!Object.isSealed) {
|
||||
Object.isSealed = function isSealed(object) {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.12
|
||||
if (!Object.isFrozen) {
|
||||
Object.isFrozen = function isFrozen(object) {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.13
|
||||
if (!Object.isExtensible) {
|
||||
Object.isExtensible = function isExtensible(object) {
|
||||
return true;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.14
|
||||
// http://whattheheadsaid.com/2010/10/a-safer-object-keys-compatibility-implementation
|
||||
if (!Object.keys) {
|
||||
|
||||
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
|
||||
// Format a Date object as a string according to a subset of the ISO-8601 standard.
|
||||
// Useful in Atom, among other things.
|
||||
if (!Date.prototype.toISOString) {
|
||||
Date.prototype.toISOString = function toISOString() {
|
||||
return (
|
||||
this.getUTCFullYear() + "-" +
|
||||
(this.getUTCMonth() + 1) + "-" +
|
||||
this.getUTCDate() + "T" +
|
||||
this.getUTCHours() + ":" +
|
||||
this.getUTCMinutes() + ":" +
|
||||
this.getUTCSeconds() + "Z"
|
||||
);
|
||||
}
|
||||
}
|
||||
|
||||
// ES5 15.9.4.4
|
||||
if (!Date.now) {
|
||||
Date.now = function now() {
|
||||
return new Date().getTime();
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.9.5.44
|
||||
if (!Date.prototype.toJSON) {
|
||||
Date.prototype.toJSON = function toJSON(key) {
|
||||
// This function provides a String representation of a Date object for
|
||||
// use by JSON.stringify (15.12.3). 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();
|
||||
// 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.
|
||||
};
|
||||
}
|
||||
|
||||
// 15.9.4.2 Date.parse (string)
|
||||
// 15.9.1.15 Date Time String Format
|
||||
// Date.parse
|
||||
// based on work shared by Daniel Friesen (dantman)
|
||||
// http://gist.github.com/303249
|
||||
if (isNaN(Date.parse("T00:00"))) {
|
||||
// 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(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("^" +
|
||||
"(?:" + // optional year-month-day
|
||||
"(" + // year capture
|
||||
"(?:[+-]\\d\\d)?" + // 15.9.1.15.1 Extended years
|
||||
"\\d\\d\\d\\d" + // four-digit year
|
||||
")" +
|
||||
"(?:-" + // optional month-day
|
||||
"(\\d\\d)" + // month capture
|
||||
"(?:-" + // optional day
|
||||
"(\\d\\d)" + // day capture
|
||||
")?" +
|
||||
")?" +
|
||||
")?" +
|
||||
"(?:T" + // hour:minute:second.subsecond
|
||||
"(\\d\\d)" + // hour capture
|
||||
":(\\d\\d)" + // minute capture
|
||||
"(?::" + // optional :second.subsecond
|
||||
"(\\d\\d)" + // second capture
|
||||
"(?:\\.(\\d\\d\\d))?" + // milisecond capture
|
||||
")?" +
|
||||
")?" +
|
||||
"(?:" + // time zone
|
||||
"Z|" + // UTC capture
|
||||
"([+-])(\\d\\d):(\\d\\d)" + // timezone offset
|
||||
// capture sign, hour, minute
|
||||
")?" +
|
||||
"$");
|
||||
|
||||
// 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 the ISO dates we use
|
||||
// TODO review specification to ascertain whether it is
|
||||
// necessary to implement partial ISO date strings.
|
||||
Date.parse = function parse(string) {
|
||||
var match = isoDateExpression.exec(string);
|
||||
if (match) {
|
||||
match.shift(); // kill match[0], the full match
|
||||
// recognize times without dates before normalizing the
|
||||
// numeric values, for later use
|
||||
var timeOnly = match[0] === undefined;
|
||||
// parse numerics
|
||||
for (var i = 0; i < 10; i++) {
|
||||
// skip + or - for the timezone offset
|
||||
if (i === 7)
|
||||
continue;
|
||||
// Note: parseInt would read 0-prefix numbers as
|
||||
// octal. Number constructor or unary + work better
|
||||
// here:
|
||||
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]--;
|
||||
}
|
||||
// if no year-month-date is provided, return a milisecond
|
||||
// quantity instead of a UTC date number value.
|
||||
if (timeOnly)
|
||||
return ((match[3] * 60 + match[4]) * 60 + match[5]) * 1000 + match[6];
|
||||
|
||||
// account for an explicit time zone offset if provided
|
||||
var offset = (match[8] * 60 + match[9]) * 60 * 1000;
|
||||
if (match[6] === "-")
|
||||
offset = -offset;
|
||||
|
||||
return NativeDate.UTC.apply(this, match.slice(0, 7)) + offset;
|
||||
}
|
||||
return NativeDate.parse.apply(this, arguments);
|
||||
};
|
||||
|
||||
return Date;
|
||||
})(Date);
|
||||
}
|
||||
|
||||
//
|
||||
// String
|
||||
// ======
|
||||
//
|
||||
|
||||
// ES5 15.5.4.20
|
||||
if (!String.prototype.trim) {
|
||||
// http://blog.stevenlevithan.com/archives/faster-trim-javascript
|
||||
var trimBeginRegexp = /^\s\s*/;
|
||||
var trimEndRegexp = /\s\s*$/;
|
||||
String.prototype.trim = function trim() {
|
||||
return String(this).replace(trimBeginRegexp, '').replace(trimEndRegexp, '');
|
||||
};
|
||||
}
|
||||
|
||||
});
|
||||
Executable
+404
@@ -0,0 +1,404 @@
|
||||
// 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-sham", definition);
|
||||
// CommonJS and <script>
|
||||
} else {
|
||||
definition();
|
||||
}
|
||||
})(function () {
|
||||
|
||||
|
||||
var call = Function.prototype.call;
|
||||
var prototypeOfObject = Object.prototype;
|
||||
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__);
|
||||
}
|
||||
|
||||
// ES5 15.2.3.2
|
||||
// http://es5.github.com/#x15.2.3.2
|
||||
if (!Object.getPrototypeOf) {
|
||||
// https://github.com/kriskowal/es5-shim/issues#issue/2
|
||||
// http://ejohn.org/blog/objectgetprototypeof/
|
||||
// recommended by fschaefer on github
|
||||
Object.getPrototypeOf = function getPrototypeOf(object) {
|
||||
return object.__proto__ || (
|
||||
object.constructor
|
||||
? object.constructor.prototype
|
||||
: prototypeOfObject
|
||||
);
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.3
|
||||
// http://es5.github.com/#x15.2.3.3
|
||||
if (!Object.getOwnPropertyDescriptor) {
|
||||
var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a non-object: ";
|
||||
|
||||
Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
|
||||
if ((typeof object != "object" && typeof object != "function") || object === null) {
|
||||
throw new TypeError(ERR_NON_OBJECT + object);
|
||||
}
|
||||
// If object does not owns property return undefined immediately.
|
||||
if (!owns(object, property)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// If object has a property then it's for sure both `enumerable` and
|
||||
// `configurable`.
|
||||
var descriptor = { enumerable: true, configurable: true };
|
||||
|
||||
// If JS engine supports accessor properties then property may be a
|
||||
// getter or setter.
|
||||
if (supportsAccessors) {
|
||||
// Unfortunately `__lookupGetter__` will return a getter even
|
||||
// if object has own non getter property along with a same named
|
||||
// inherited getter. To avoid misbehavior we temporary remove
|
||||
// `__proto__` so that `__lookupGetter__` will return getter only
|
||||
// if it's owned by an object.
|
||||
var prototype = object.__proto__;
|
||||
object.__proto__ = prototypeOfObject;
|
||||
|
||||
var getter = lookupGetter(object, property);
|
||||
var setter = lookupSetter(object, property);
|
||||
|
||||
// Once we have getter and setter we can put values back.
|
||||
object.__proto__ = prototype;
|
||||
|
||||
if (getter || setter) {
|
||||
if (getter) {
|
||||
descriptor.get = getter;
|
||||
}
|
||||
if (setter) {
|
||||
descriptor.set = setter;
|
||||
}
|
||||
// If it was accessor property we're done and return here
|
||||
// in order to avoid adding `value` to the descriptor.
|
||||
return descriptor;
|
||||
}
|
||||
}
|
||||
|
||||
// If we got this far we know that object has an own property that is
|
||||
// not an accessor so we set it as a value and return descriptor.
|
||||
descriptor.value = object[property];
|
||||
return descriptor;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.4
|
||||
// http://es5.github.com/#x15.2.3.4
|
||||
if (!Object.getOwnPropertyNames) {
|
||||
Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
|
||||
return Object.keys(object);
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.5
|
||||
// http://es5.github.com/#x15.2.3.5
|
||||
if (!Object.create) {
|
||||
|
||||
// Contributed by Brandon Benvie, October, 2012
|
||||
var createEmpty;
|
||||
var supportsProto = Object.prototype.__proto__ === null;
|
||||
if (supportsProto || typeof document == 'undefined') {
|
||||
createEmpty = function () {
|
||||
return { "__proto__": null };
|
||||
};
|
||||
} else {
|
||||
// In old IE __proto__ can't be used to manually set `null`, nor does
|
||||
// any other method exist to make an object that inherits from nothing,
|
||||
// aside from Object.prototype itself. Instead, create a new global
|
||||
// object and *steal* its Object.prototype and strip it bare. This is
|
||||
// used as the prototype to create nullary objects.
|
||||
createEmpty = (function () {
|
||||
var iframe = document.createElement('iframe');
|
||||
var parent = document.body || document.documentElement;
|
||||
iframe.style.display = 'none';
|
||||
parent.appendChild(iframe);
|
||||
iframe.src = 'javascript:';
|
||||
var empty = iframe.contentWindow.Object.prototype;
|
||||
parent.removeChild(iframe);
|
||||
iframe = null;
|
||||
delete empty.constructor;
|
||||
delete empty.hasOwnProperty;
|
||||
delete empty.propertyIsEnumerable;
|
||||
delete empty.isPrototypeOf;
|
||||
delete empty.toLocaleString;
|
||||
delete empty.toString;
|
||||
delete empty.valueOf;
|
||||
empty.__proto__ = null;
|
||||
|
||||
function Empty() {}
|
||||
Empty.prototype = empty;
|
||||
|
||||
return function () {
|
||||
return new Empty();
|
||||
};
|
||||
})();
|
||||
}
|
||||
|
||||
Object.create = function create(prototype, properties) {
|
||||
|
||||
var object;
|
||||
function Type() {} // An empty constructor.
|
||||
|
||||
if (prototype === null) {
|
||||
object = createEmpty();
|
||||
} else {
|
||||
if (typeof prototype !== "object" && typeof prototype !== "function") {
|
||||
// In the native implementation `parent` can be `null`
|
||||
// OR *any* `instanceof Object` (Object|Function|Array|RegExp|etc)
|
||||
// Use `typeof` tho, b/c in old IE, DOM elements are not `instanceof Object`
|
||||
// like they are in modern browsers. Using `Object.create` on DOM elements
|
||||
// is...err...probably inappropriate, but the native version allows for it.
|
||||
throw new TypeError("Object prototype may only be an Object or null"); // same msg as Chrome
|
||||
}
|
||||
Type.prototype = prototype;
|
||||
object = new Type();
|
||||
// IE has no built-in implementation of `Object.getPrototypeOf`
|
||||
// neither `__proto__`, but this manually setting `__proto__` will
|
||||
// guarantee that `Object.getPrototypeOf` will work as expected with
|
||||
// objects created using `Object.create`
|
||||
object.__proto__ = prototype;
|
||||
}
|
||||
|
||||
if (properties !== void 0) {
|
||||
Object.defineProperties(object, properties);
|
||||
}
|
||||
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.6
|
||||
// http://es5.github.com/#x15.2.3.6
|
||||
|
||||
// Patch for WebKit and IE8 standard mode
|
||||
// Designed by hax <hax.github.com>
|
||||
// related issue: https://github.com/kriskowal/es5-shim/issues#issue/5
|
||||
// IE8 Reference:
|
||||
// http://msdn.microsoft.com/en-us/library/dd282900.aspx
|
||||
// http://msdn.microsoft.com/en-us/library/dd229916.aspx
|
||||
// WebKit Bugs:
|
||||
// https://bugs.webkit.org/show_bug.cgi?id=36423
|
||||
|
||||
function doesDefinePropertyWork(object) {
|
||||
try {
|
||||
Object.defineProperty(object, "sentinel", {});
|
||||
return "sentinel" in object;
|
||||
} catch (exception) {
|
||||
// returns falsy
|
||||
}
|
||||
}
|
||||
|
||||
// check whether defineProperty works if it's given. Otherwise,
|
||||
// shim partially.
|
||||
if (Object.defineProperty) {
|
||||
var definePropertyWorksOnObject = doesDefinePropertyWork({});
|
||||
var definePropertyWorksOnDom = typeof document == "undefined" ||
|
||||
doesDefinePropertyWork(document.createElement("div"));
|
||||
if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
|
||||
var definePropertyFallback = Object.defineProperty,
|
||||
definePropertiesFallback = Object.defineProperties;
|
||||
}
|
||||
}
|
||||
|
||||
if (!Object.defineProperty || definePropertyFallback) {
|
||||
var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
|
||||
var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
|
||||
var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
|
||||
"on this javascript engine";
|
||||
|
||||
Object.defineProperty = function defineProperty(object, property, descriptor) {
|
||||
if ((typeof object != "object" && typeof object != "function") || object === null) {
|
||||
throw new TypeError(ERR_NON_OBJECT_TARGET + object);
|
||||
}
|
||||
if ((typeof descriptor != "object" && typeof descriptor != "function") || descriptor === null) {
|
||||
throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
|
||||
}
|
||||
// make a valiant attempt to use the real defineProperty
|
||||
// for I8's DOM elements.
|
||||
if (definePropertyFallback) {
|
||||
try {
|
||||
return definePropertyFallback.call(Object, object, property, descriptor);
|
||||
} catch (exception) {
|
||||
// try the shim if the real one doesn't work
|
||||
}
|
||||
}
|
||||
|
||||
// If it's a data property.
|
||||
if (owns(descriptor, "value")) {
|
||||
// fail silently if "writable", "enumerable", or "configurable"
|
||||
// are requested but not supported
|
||||
/*
|
||||
// alternate approach:
|
||||
if ( // can't implement these features; allow false but not true
|
||||
!(owns(descriptor, "writable") ? descriptor.writable : true) ||
|
||||
!(owns(descriptor, "enumerable") ? descriptor.enumerable : true) ||
|
||||
!(owns(descriptor, "configurable") ? descriptor.configurable : true)
|
||||
)
|
||||
throw new RangeError(
|
||||
"This implementation of Object.defineProperty does not " +
|
||||
"support configurable, enumerable, or writable."
|
||||
);
|
||||
*/
|
||||
|
||||
if (supportsAccessors && (lookupGetter(object, property) ||
|
||||
lookupSetter(object, property)))
|
||||
{
|
||||
// As accessors are supported only on engines implementing
|
||||
// `__proto__` we can safely override `__proto__` while defining
|
||||
// a property to make sure that we don't hit an inherited
|
||||
// accessor.
|
||||
var prototype = object.__proto__;
|
||||
object.__proto__ = prototypeOfObject;
|
||||
// Deleting a property anyway since getter / setter may be
|
||||
// defined on object itself.
|
||||
delete object[property];
|
||||
object[property] = descriptor.value;
|
||||
// Setting original `__proto__` back now.
|
||||
object.__proto__ = prototype;
|
||||
} else {
|
||||
object[property] = descriptor.value;
|
||||
}
|
||||
} else {
|
||||
if (!supportsAccessors) {
|
||||
throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
|
||||
}
|
||||
// If we got that far then getters and setters can be defined !!
|
||||
if (owns(descriptor, "get")) {
|
||||
defineGetter(object, property, descriptor.get);
|
||||
}
|
||||
if (owns(descriptor, "set")) {
|
||||
defineSetter(object, property, descriptor.set);
|
||||
}
|
||||
}
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.7
|
||||
// http://es5.github.com/#x15.2.3.7
|
||||
if (!Object.defineProperties || definePropertiesFallback) {
|
||||
Object.defineProperties = function defineProperties(object, properties) {
|
||||
// make a valiant attempt to use the real defineProperties
|
||||
if (definePropertiesFallback) {
|
||||
try {
|
||||
return definePropertiesFallback.call(Object, object, properties);
|
||||
} catch (exception) {
|
||||
// try the shim if the real one doesn't work
|
||||
}
|
||||
}
|
||||
|
||||
for (var property in properties) {
|
||||
if (owns(properties, property) && property != "__proto__") {
|
||||
Object.defineProperty(object, property, properties[property]);
|
||||
}
|
||||
}
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.8
|
||||
// http://es5.github.com/#x15.2.3.8
|
||||
if (!Object.seal) {
|
||||
Object.seal = function seal(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.9
|
||||
// http://es5.github.com/#x15.2.3.9
|
||||
if (!Object.freeze) {
|
||||
Object.freeze = function freeze(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// detect a Rhino bug and patch it
|
||||
try {
|
||||
Object.freeze(function () {});
|
||||
} catch (exception) {
|
||||
Object.freeze = (function freeze(freezeObject) {
|
||||
return function freeze(object) {
|
||||
if (typeof object == "function") {
|
||||
return object;
|
||||
} else {
|
||||
return freezeObject(object);
|
||||
}
|
||||
};
|
||||
})(Object.freeze);
|
||||
}
|
||||
|
||||
// ES5 15.2.3.10
|
||||
// http://es5.github.com/#x15.2.3.10
|
||||
if (!Object.preventExtensions) {
|
||||
Object.preventExtensions = function preventExtensions(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.11
|
||||
// http://es5.github.com/#x15.2.3.11
|
||||
if (!Object.isSealed) {
|
||||
Object.isSealed = function isSealed(object) {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.12
|
||||
// http://es5.github.com/#x15.2.3.12
|
||||
if (!Object.isFrozen) {
|
||||
Object.isFrozen = function isFrozen(object) {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.13
|
||||
// http://es5.github.com/#x15.2.3.13
|
||||
if (!Object.isExtensible) {
|
||||
Object.isExtensible = function isExtensible(object) {
|
||||
// 1. If Type(O) is not Object throw a TypeError exception.
|
||||
if (Object(object) !== object) {
|
||||
throw new TypeError(); // TODO message
|
||||
}
|
||||
// 2. Return the Boolean value of the [[Extensible]] internal property of O.
|
||||
var name = '';
|
||||
while (owns(object, name)) {
|
||||
name += '?';
|
||||
}
|
||||
object[name] = true;
|
||||
var returnValue = owns(object, name);
|
||||
delete object[name];
|
||||
return returnValue;
|
||||
};
|
||||
}
|
||||
|
||||
});
|
||||
+7
@@ -0,0 +1,7 @@
|
||||
(function(f){"function"==typeof define?define(f):"function"==typeof YUI?YUI.add("es5-sham",f):f()})(function(){function f(a){try{return Object.defineProperty(a,"sentinel",{}),"sentinel"in a}catch(c){}}var b=Function.prototype.call,g=Object.prototype,h=b.bind(g.hasOwnProperty),p,q,k,l,i;if(i=h(g,"__defineGetter__"))p=b.bind(g.__defineGetter__),q=b.bind(g.__defineSetter__),k=b.bind(g.__lookupGetter__),l=b.bind(g.__lookupSetter__);Object.getPrototypeOf||(Object.getPrototypeOf=function(a){return a.__proto__||
|
||||
(a.constructor?a.constructor.prototype:g)});Object.getOwnPropertyDescriptor||(Object.getOwnPropertyDescriptor=function(a,c){if(typeof a!="object"&&typeof a!="function"||a===null)throw new TypeError("Object.getOwnPropertyDescriptor called on a non-object: "+a);if(h(a,c)){var d={enumerable:true,configurable:true};if(i){var b=a.__proto__;a.__proto__=g;var e=k(a,c),f=l(a,c);a.__proto__=b;if(e||f){if(e)d.get=e;if(f)d.set=f;return d}}d.value=a[c];return d}});Object.getOwnPropertyNames||(Object.getOwnPropertyNames=
|
||||
function(a){return Object.keys(a)});if(!Object.create){var m;if(null===Object.prototype.__proto__||"undefined"==typeof document)m=function(){return{__proto__:null}};else{var r=function(){},b=document.createElement("iframe"),j=document.body||document.documentElement;b.style.display="none";j.appendChild(b);b.src="javascript:";var e=b.contentWindow.Object.prototype;j.removeChild(b);b=null;delete e.constructor;delete e.hasOwnProperty;delete e.propertyIsEnumerable;delete e.isPrototypeOf;delete e.toLocaleString;
|
||||
delete e.toString;delete e.valueOf;e.__proto__=null;r.prototype=e;m=function(){return new r}}Object.create=function(a,c){function d(){}var b;if(a===null)b=m();else{if(typeof a!=="object"&&typeof a!=="function")throw new TypeError("Object prototype may only be an Object or null");d.prototype=a;b=new d;b.__proto__=a}c!==void 0&&Object.defineProperties(b,c);return b}}if(Object.defineProperty&&(b=f({}),j="undefined"==typeof document||f(document.createElement("div")),!b||!j))var n=Object.defineProperty,
|
||||
o=Object.defineProperties;if(!Object.defineProperty||n)Object.defineProperty=function(a,c,d){if(typeof a!="object"&&typeof a!="function"||a===null)throw new TypeError("Object.defineProperty called on non-object: "+a);if(typeof d!="object"&&typeof d!="function"||d===null)throw new TypeError("Property description must be an object: "+d);if(n)try{return n.call(Object,a,c,d)}catch(b){}if(h(d,"value"))if(i&&(k(a,c)||l(a,c))){var e=a.__proto__;a.__proto__=g;delete a[c];a[c]=d.value;a.__proto__=e}else a[c]=
|
||||
d.value;else{if(!i)throw new TypeError("getters & setters can not be defined on this javascript engine");h(d,"get")&&p(a,c,d.get);h(d,"set")&&q(a,c,d.set)}return a};if(!Object.defineProperties||o)Object.defineProperties=function(a,c){if(o)try{return o.call(Object,a,c)}catch(d){}for(var b in c)h(c,b)&&b!="__proto__"&&Object.defineProperty(a,b,c[b]);return a};Object.seal||(Object.seal=function(a){return a});Object.freeze||(Object.freeze=function(a){return a});try{Object.freeze(function(){})}catch(t){var s=
|
||||
Object.freeze;Object.freeze=function(a){return typeof a=="function"?a:s(a)}}Object.preventExtensions||(Object.preventExtensions=function(a){return a});Object.isSealed||(Object.isSealed=function(){return false});Object.isFrozen||(Object.isFrozen=function(){return false});Object.isExtensible||(Object.isExtensible=function(a){if(Object(a)!==a)throw new TypeError;for(var c="";h(a,c);)c=c+"?";a[c]=true;var b=h(a,c);delete a[c];return b})});
|
||||
Executable
+981
@@ -0,0 +1,981 @@
|
||||
// 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 = 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(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(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 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;
|
||||
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)))
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
// 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);
|
||||
}
|
||||
|
||||
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{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
|
||||
")" +
|
||||
")?)?)?)?" +
|
||||
"$");
|
||||
|
||||
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 = Number(match[7] || 0),
|
||||
// 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();
|
||||
};
|
||||
}
|
||||
|
||||
|
||||
//
|
||||
// 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);
|
||||
};
|
||||
|
||||
});
|
||||
Executable
+444
@@ -0,0 +1,444 @@
|
||||
// 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-sham", definition);
|
||||
// CommonJS and <script>
|
||||
} else {
|
||||
definition();
|
||||
}
|
||||
})(function () {
|
||||
|
||||
|
||||
var call = Function.prototype.call;
|
||||
var prototypeOfObject = Object.prototype;
|
||||
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__);
|
||||
}
|
||||
|
||||
// ES5 15.2.3.2
|
||||
// http://es5.github.com/#x15.2.3.2
|
||||
if (!Object.getPrototypeOf) {
|
||||
// https://github.com/kriskowal/es5-shim/issues#issue/2
|
||||
// http://ejohn.org/blog/objectgetprototypeof/
|
||||
// recommended by fschaefer on github
|
||||
Object.getPrototypeOf = function getPrototypeOf(object) {
|
||||
return object.__proto__ || (
|
||||
object.constructor
|
||||
? object.constructor.prototype
|
||||
: prototypeOfObject
|
||||
);
|
||||
};
|
||||
}
|
||||
|
||||
//ES5 15.2.3.3
|
||||
//http://es5.github.com/#x15.2.3.3
|
||||
|
||||
function doesGetOwnPropertyDescriptorWork(object) {
|
||||
try {
|
||||
object.sentinel = 0;
|
||||
return Object.getOwnPropertyDescriptor(
|
||||
object,
|
||||
"sentinel"
|
||||
).value === 0;
|
||||
} catch (exception) {
|
||||
// returns falsy
|
||||
}
|
||||
}
|
||||
|
||||
//check whether getOwnPropertyDescriptor works if it's given. Otherwise,
|
||||
//shim partially.
|
||||
if (Object.defineProperty) {
|
||||
var getOwnPropertyDescriptorWorksOnObject =
|
||||
doesGetOwnPropertyDescriptorWork({});
|
||||
var getOwnPropertyDescriptorWorksOnDom = typeof document == "undefined" ||
|
||||
doesGetOwnPropertyDescriptorWork(document.createElement("div"));
|
||||
if (!getOwnPropertyDescriptorWorksOnDom ||
|
||||
!getOwnPropertyDescriptorWorksOnObject
|
||||
) {
|
||||
var getOwnPropertyDescriptorFallback = Object.getOwnPropertyDescriptor;
|
||||
}
|
||||
}
|
||||
|
||||
if (!Object.getOwnPropertyDescriptor || getOwnPropertyDescriptorFallback) {
|
||||
var ERR_NON_OBJECT = "Object.getOwnPropertyDescriptor called on a non-object: ";
|
||||
|
||||
Object.getOwnPropertyDescriptor = function getOwnPropertyDescriptor(object, property) {
|
||||
if ((typeof object != "object" && typeof object != "function") || object === null) {
|
||||
throw new TypeError(ERR_NON_OBJECT + object);
|
||||
}
|
||||
|
||||
// make a valiant attempt to use the real getOwnPropertyDescriptor
|
||||
// for I8's DOM elements.
|
||||
if (getOwnPropertyDescriptorFallback) {
|
||||
try {
|
||||
return getOwnPropertyDescriptorFallback.call(Object, object, property);
|
||||
} catch (exception) {
|
||||
// try the shim if the real one doesn't work
|
||||
}
|
||||
}
|
||||
|
||||
// If object does not owns property return undefined immediately.
|
||||
if (!owns(object, property)) {
|
||||
return;
|
||||
}
|
||||
|
||||
// If object has a property then it's for sure both `enumerable` and
|
||||
// `configurable`.
|
||||
var descriptor = { enumerable: true, configurable: true };
|
||||
|
||||
// If JS engine supports accessor properties then property may be a
|
||||
// getter or setter.
|
||||
if (supportsAccessors) {
|
||||
// Unfortunately `__lookupGetter__` will return a getter even
|
||||
// if object has own non getter property along with a same named
|
||||
// inherited getter. To avoid misbehavior we temporary remove
|
||||
// `__proto__` so that `__lookupGetter__` will return getter only
|
||||
// if it's owned by an object.
|
||||
var prototype = object.__proto__;
|
||||
object.__proto__ = prototypeOfObject;
|
||||
|
||||
var getter = lookupGetter(object, property);
|
||||
var setter = lookupSetter(object, property);
|
||||
|
||||
// Once we have getter and setter we can put values back.
|
||||
object.__proto__ = prototype;
|
||||
|
||||
if (getter || setter) {
|
||||
if (getter) {
|
||||
descriptor.get = getter;
|
||||
}
|
||||
if (setter) {
|
||||
descriptor.set = setter;
|
||||
}
|
||||
// If it was accessor property we're done and return here
|
||||
// in order to avoid adding `value` to the descriptor.
|
||||
return descriptor;
|
||||
}
|
||||
}
|
||||
|
||||
// If we got this far we know that object has an own property that is
|
||||
// not an accessor so we set it as a value and return descriptor.
|
||||
descriptor.value = object[property];
|
||||
descriptor.writable = true;
|
||||
return descriptor;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.4
|
||||
// http://es5.github.com/#x15.2.3.4
|
||||
if (!Object.getOwnPropertyNames) {
|
||||
Object.getOwnPropertyNames = function getOwnPropertyNames(object) {
|
||||
return Object.keys(object);
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.5
|
||||
// http://es5.github.com/#x15.2.3.5
|
||||
if (!Object.create) {
|
||||
|
||||
// Contributed by Brandon Benvie, October, 2012
|
||||
var createEmpty;
|
||||
var supportsProto = Object.prototype.__proto__ === null;
|
||||
if (supportsProto || typeof document == 'undefined') {
|
||||
createEmpty = function () {
|
||||
return { "__proto__": null };
|
||||
};
|
||||
} else {
|
||||
// In old IE __proto__ can't be used to manually set `null`, nor does
|
||||
// any other method exist to make an object that inherits from nothing,
|
||||
// aside from Object.prototype itself. Instead, create a new global
|
||||
// object and *steal* its Object.prototype and strip it bare. This is
|
||||
// used as the prototype to create nullary objects.
|
||||
createEmpty = function () {
|
||||
var iframe = document.createElement('iframe');
|
||||
var parent = document.body || document.documentElement;
|
||||
iframe.style.display = 'none';
|
||||
parent.appendChild(iframe);
|
||||
iframe.src = 'javascript:';
|
||||
var empty = iframe.contentWindow.Object.prototype;
|
||||
parent.removeChild(iframe);
|
||||
iframe = null;
|
||||
delete empty.constructor;
|
||||
delete empty.hasOwnProperty;
|
||||
delete empty.propertyIsEnumerable;
|
||||
delete empty.isPrototypeOf;
|
||||
delete empty.toLocaleString;
|
||||
delete empty.toString;
|
||||
delete empty.valueOf;
|
||||
empty.__proto__ = null;
|
||||
|
||||
function Empty() {}
|
||||
Empty.prototype = empty;
|
||||
// short-circuit future calls
|
||||
createEmpty = function () {
|
||||
return new Empty();
|
||||
};
|
||||
return new Empty();
|
||||
};
|
||||
}
|
||||
|
||||
Object.create = function create(prototype, properties) {
|
||||
|
||||
var object;
|
||||
function Type() {} // An empty constructor.
|
||||
|
||||
if (prototype === null) {
|
||||
object = createEmpty();
|
||||
} else {
|
||||
if (typeof prototype !== "object" && typeof prototype !== "function") {
|
||||
// In the native implementation `parent` can be `null`
|
||||
// OR *any* `instanceof Object` (Object|Function|Array|RegExp|etc)
|
||||
// Use `typeof` tho, b/c in old IE, DOM elements are not `instanceof Object`
|
||||
// like they are in modern browsers. Using `Object.create` on DOM elements
|
||||
// is...err...probably inappropriate, but the native version allows for it.
|
||||
throw new TypeError("Object prototype may only be an Object or null"); // same msg as Chrome
|
||||
}
|
||||
Type.prototype = prototype;
|
||||
object = new Type();
|
||||
// IE has no built-in implementation of `Object.getPrototypeOf`
|
||||
// neither `__proto__`, but this manually setting `__proto__` will
|
||||
// guarantee that `Object.getPrototypeOf` will work as expected with
|
||||
// objects created using `Object.create`
|
||||
object.__proto__ = prototype;
|
||||
}
|
||||
|
||||
if (properties !== void 0) {
|
||||
Object.defineProperties(object, properties);
|
||||
}
|
||||
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.6
|
||||
// http://es5.github.com/#x15.2.3.6
|
||||
|
||||
// Patch for WebKit and IE8 standard mode
|
||||
// Designed by hax <hax.github.com>
|
||||
// related issue: https://github.com/kriskowal/es5-shim/issues#issue/5
|
||||
// IE8 Reference:
|
||||
// http://msdn.microsoft.com/en-us/library/dd282900.aspx
|
||||
// http://msdn.microsoft.com/en-us/library/dd229916.aspx
|
||||
// WebKit Bugs:
|
||||
// https://bugs.webkit.org/show_bug.cgi?id=36423
|
||||
|
||||
function doesDefinePropertyWork(object) {
|
||||
try {
|
||||
Object.defineProperty(object, "sentinel", {});
|
||||
return "sentinel" in object;
|
||||
} catch (exception) {
|
||||
// returns falsy
|
||||
}
|
||||
}
|
||||
|
||||
// check whether defineProperty works if it's given. Otherwise,
|
||||
// shim partially.
|
||||
if (Object.defineProperty) {
|
||||
var definePropertyWorksOnObject = doesDefinePropertyWork({});
|
||||
var definePropertyWorksOnDom = typeof document == "undefined" ||
|
||||
doesDefinePropertyWork(document.createElement("div"));
|
||||
if (!definePropertyWorksOnObject || !definePropertyWorksOnDom) {
|
||||
var definePropertyFallback = Object.defineProperty,
|
||||
definePropertiesFallback = Object.defineProperties;
|
||||
}
|
||||
}
|
||||
|
||||
if (!Object.defineProperty || definePropertyFallback) {
|
||||
var ERR_NON_OBJECT_DESCRIPTOR = "Property description must be an object: ";
|
||||
var ERR_NON_OBJECT_TARGET = "Object.defineProperty called on non-object: "
|
||||
var ERR_ACCESSORS_NOT_SUPPORTED = "getters & setters can not be defined " +
|
||||
"on this javascript engine";
|
||||
|
||||
Object.defineProperty = function defineProperty(object, property, descriptor) {
|
||||
if ((typeof object != "object" && typeof object != "function") || object === null) {
|
||||
throw new TypeError(ERR_NON_OBJECT_TARGET + object);
|
||||
}
|
||||
if ((typeof descriptor != "object" && typeof descriptor != "function") || descriptor === null) {
|
||||
throw new TypeError(ERR_NON_OBJECT_DESCRIPTOR + descriptor);
|
||||
}
|
||||
// make a valiant attempt to use the real defineProperty
|
||||
// for I8's DOM elements.
|
||||
if (definePropertyFallback) {
|
||||
try {
|
||||
return definePropertyFallback.call(Object, object, property, descriptor);
|
||||
} catch (exception) {
|
||||
// try the shim if the real one doesn't work
|
||||
}
|
||||
}
|
||||
|
||||
// If it's a data property.
|
||||
if (owns(descriptor, "value")) {
|
||||
// fail silently if "writable", "enumerable", or "configurable"
|
||||
// are requested but not supported
|
||||
/*
|
||||
// alternate approach:
|
||||
if ( // can't implement these features; allow false but not true
|
||||
!(owns(descriptor, "writable") ? descriptor.writable : true) ||
|
||||
!(owns(descriptor, "enumerable") ? descriptor.enumerable : true) ||
|
||||
!(owns(descriptor, "configurable") ? descriptor.configurable : true)
|
||||
)
|
||||
throw new RangeError(
|
||||
"This implementation of Object.defineProperty does not " +
|
||||
"support configurable, enumerable, or writable."
|
||||
);
|
||||
*/
|
||||
|
||||
if (supportsAccessors && (lookupGetter(object, property) ||
|
||||
lookupSetter(object, property)))
|
||||
{
|
||||
// As accessors are supported only on engines implementing
|
||||
// `__proto__` we can safely override `__proto__` while defining
|
||||
// a property to make sure that we don't hit an inherited
|
||||
// accessor.
|
||||
var prototype = object.__proto__;
|
||||
object.__proto__ = prototypeOfObject;
|
||||
// Deleting a property anyway since getter / setter may be
|
||||
// defined on object itself.
|
||||
delete object[property];
|
||||
object[property] = descriptor.value;
|
||||
// Setting original `__proto__` back now.
|
||||
object.__proto__ = prototype;
|
||||
} else {
|
||||
object[property] = descriptor.value;
|
||||
}
|
||||
} else {
|
||||
if (!supportsAccessors) {
|
||||
throw new TypeError(ERR_ACCESSORS_NOT_SUPPORTED);
|
||||
}
|
||||
// If we got that far then getters and setters can be defined !!
|
||||
if (owns(descriptor, "get")) {
|
||||
defineGetter(object, property, descriptor.get);
|
||||
}
|
||||
if (owns(descriptor, "set")) {
|
||||
defineSetter(object, property, descriptor.set);
|
||||
}
|
||||
}
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.7
|
||||
// http://es5.github.com/#x15.2.3.7
|
||||
if (!Object.defineProperties || definePropertiesFallback) {
|
||||
Object.defineProperties = function defineProperties(object, properties) {
|
||||
// make a valiant attempt to use the real defineProperties
|
||||
if (definePropertiesFallback) {
|
||||
try {
|
||||
return definePropertiesFallback.call(Object, object, properties);
|
||||
} catch (exception) {
|
||||
// try the shim if the real one doesn't work
|
||||
}
|
||||
}
|
||||
|
||||
for (var property in properties) {
|
||||
if (owns(properties, property) && property != "__proto__") {
|
||||
Object.defineProperty(object, property, properties[property]);
|
||||
}
|
||||
}
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.8
|
||||
// http://es5.github.com/#x15.2.3.8
|
||||
if (!Object.seal) {
|
||||
Object.seal = function seal(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.9
|
||||
// http://es5.github.com/#x15.2.3.9
|
||||
if (!Object.freeze) {
|
||||
Object.freeze = function freeze(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// detect a Rhino bug and patch it
|
||||
try {
|
||||
Object.freeze(function () {});
|
||||
} catch (exception) {
|
||||
Object.freeze = (function freeze(freezeObject) {
|
||||
return function freeze(object) {
|
||||
if (typeof object == "function") {
|
||||
return object;
|
||||
} else {
|
||||
return freezeObject(object);
|
||||
}
|
||||
};
|
||||
})(Object.freeze);
|
||||
}
|
||||
|
||||
// ES5 15.2.3.10
|
||||
// http://es5.github.com/#x15.2.3.10
|
||||
if (!Object.preventExtensions) {
|
||||
Object.preventExtensions = function preventExtensions(object) {
|
||||
// this is misleading and breaks feature-detection, but
|
||||
// allows "securable" code to "gracefully" degrade to working
|
||||
// but insecure code.
|
||||
return object;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.11
|
||||
// http://es5.github.com/#x15.2.3.11
|
||||
if (!Object.isSealed) {
|
||||
Object.isSealed = function isSealed(object) {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.12
|
||||
// http://es5.github.com/#x15.2.3.12
|
||||
if (!Object.isFrozen) {
|
||||
Object.isFrozen = function isFrozen(object) {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// ES5 15.2.3.13
|
||||
// http://es5.github.com/#x15.2.3.13
|
||||
if (!Object.isExtensible) {
|
||||
Object.isExtensible = function isExtensible(object) {
|
||||
// 1. If Type(O) is not Object throw a TypeError exception.
|
||||
if (Object(object) !== object) {
|
||||
throw new TypeError(); // TODO message
|
||||
}
|
||||
// 2. Return the Boolean value of the [[Extensible]] internal property of O.
|
||||
var name = '';
|
||||
while (owns(object, name)) {
|
||||
name += '?';
|
||||
}
|
||||
object[name] = true;
|
||||
var returnValue = owns(object, name);
|
||||
delete object[name];
|
||||
return returnValue;
|
||||
};
|
||||
}
|
||||
|
||||
});
|
||||
Executable
+1
File diff suppressed because one or more lines are too long
+4
File diff suppressed because one or more lines are too long
Executable
+1314
File diff suppressed because it is too large
Load Diff
Executable
+1
File diff suppressed because one or more lines are too long
+4
File diff suppressed because one or more lines are too long
@@ -1,7 +1,7 @@
|
||||
{
|
||||
"name": "es5-shim",
|
||||
"filename": "es5-shim.min.js",
|
||||
"version": "2.0.8",
|
||||
"version": "2.1.0",
|
||||
"description": "Provides compatibility shims so that legacy JavaScript engines behave as closely as possible to ES5.",
|
||||
"homepage": "https://github.com/kriskowal/es5-shim",
|
||||
"keywords": [
|
||||
|
||||
Reference in New Issue
Block a user