mirror of
https://github.com/idanoo/GoScrobble.git
synced 2024-11-28 03:15:16 +00:00
453 lines
17 KiB
JavaScript
453 lines
17 KiB
JavaScript
/* eslint-disable */
|
|
/* jscs: disable */
|
|
'use strict';
|
|
|
|
// pulled specific shims from https://github.com/es-shims/es5-shim
|
|
|
|
var ArrayPrototype = Array.prototype;
|
|
var ObjectPrototype = Object.prototype;
|
|
var FunctionPrototype = Function.prototype;
|
|
var StringPrototype = String.prototype;
|
|
var array_slice = ArrayPrototype.slice;
|
|
|
|
var _toString = ObjectPrototype.toString;
|
|
var isFunction = function (val) {
|
|
return ObjectPrototype.toString.call(val) === '[object Function]';
|
|
};
|
|
var isArray = function isArray(obj) {
|
|
return _toString.call(obj) === '[object Array]';
|
|
};
|
|
var isString = function isString(obj) {
|
|
return _toString.call(obj) === '[object String]';
|
|
};
|
|
|
|
var supportsDescriptors = Object.defineProperty && (function () {
|
|
try {
|
|
Object.defineProperty({}, 'x', {});
|
|
return true;
|
|
} catch (e) { /* this is ES3 */
|
|
return false;
|
|
}
|
|
}());
|
|
|
|
// Define configurable, writable and non-enumerable props
|
|
// if they don't exist.
|
|
var defineProperty;
|
|
if (supportsDescriptors) {
|
|
defineProperty = function (object, name, method, forceAssign) {
|
|
if (!forceAssign && (name in object)) { return; }
|
|
Object.defineProperty(object, name, {
|
|
configurable: true,
|
|
enumerable: false,
|
|
writable: true,
|
|
value: method
|
|
});
|
|
};
|
|
} else {
|
|
defineProperty = function (object, name, method, forceAssign) {
|
|
if (!forceAssign && (name in object)) { return; }
|
|
object[name] = method;
|
|
};
|
|
}
|
|
var defineProperties = function (object, map, forceAssign) {
|
|
for (var name in map) {
|
|
if (ObjectPrototype.hasOwnProperty.call(map, name)) {
|
|
defineProperty(object, name, map[name], forceAssign);
|
|
}
|
|
}
|
|
};
|
|
|
|
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);
|
|
};
|
|
|
|
//
|
|
// Util
|
|
// ======
|
|
//
|
|
|
|
// ES5 9.4
|
|
// http://es5.github.com/#x9.4
|
|
// http://jsperf.com/to-integer
|
|
|
|
function toInteger(num) {
|
|
var n = +num;
|
|
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 ToUint32(x) {
|
|
return x >>> 0;
|
|
}
|
|
|
|
//
|
|
// Function
|
|
// ========
|
|
//
|
|
|
|
// ES-5 15.3.4.5
|
|
// http://es5.github.com/#x15.3.4.5
|
|
|
|
function Empty() {}
|
|
|
|
defineProperties(FunctionPrototype, {
|
|
bind: function bind(that) { // .length is 1
|
|
// 1. Let Target be the this value.
|
|
var target = this;
|
|
// 2. If IsCallable(Target) is false, throw a TypeError exception.
|
|
if (!isFunction(target)) {
|
|
throw new TypeError('Function.prototype.bind called on incompatible ' + target);
|
|
}
|
|
// 3. Let A be a new (possibly empty) internal list of all of the
|
|
// argument values provided after thisArg (arg1, arg2 etc), in order.
|
|
// XXX slicedArgs will stand in for "A" if used
|
|
var args = array_slice.call(arguments, 1); // for normal call
|
|
// 4. Let F be a new native ECMAScript object.
|
|
// 11. Set the [[Prototype]] internal property of F to the standard
|
|
// built-in Function prototype object as specified in 15.3.3.1.
|
|
// 12. Set the [[Call]] internal property of F as described in
|
|
// 15.3.4.5.1.
|
|
// 13. Set the [[Construct]] internal property of F as described in
|
|
// 15.3.4.5.2.
|
|
// 14. Set the [[HasInstance]] internal property of F as described in
|
|
// 15.3.4.5.3.
|
|
var binder = function () {
|
|
|
|
if (this instanceof bound) {
|
|
// 15.3.4.5.2 [[Construct]]
|
|
// When the [[Construct]] internal method of a function object,
|
|
// F that was created using the bind function is called with a
|
|
// list of arguments ExtraArgs, the following steps are taken:
|
|
// 1. Let target be the value of F's [[TargetFunction]]
|
|
// internal property.
|
|
// 2. If target has no [[Construct]] internal method, a
|
|
// TypeError exception is thrown.
|
|
// 3. Let boundArgs be the value of F's [[BoundArgs]] internal
|
|
// property.
|
|
// 4. Let args be a new list containing the same values as the
|
|
// list boundArgs in the same order followed by the same
|
|
// values as the list ExtraArgs in the same order.
|
|
// 5. Return the result of calling the [[Construct]] internal
|
|
// method of target providing args as the arguments.
|
|
|
|
var result = target.apply(
|
|
this,
|
|
args.concat(array_slice.call(arguments))
|
|
);
|
|
if (Object(result) === result) {
|
|
return result;
|
|
}
|
|
return this;
|
|
|
|
} else {
|
|
// 15.3.4.5.1 [[Call]]
|
|
// When the [[Call]] internal method of a function object, F,
|
|
// which was created using the bind function is called with a
|
|
// this value and a list of arguments ExtraArgs, the following
|
|
// steps are taken:
|
|
// 1. Let boundArgs be the value of F's [[BoundArgs]] internal
|
|
// property.
|
|
// 2. Let boundThis be the value of F's [[BoundThis]] internal
|
|
// property.
|
|
// 3. Let target be the value of F's [[TargetFunction]] internal
|
|
// property.
|
|
// 4. Let args be a new list containing the same values as the
|
|
// list boundArgs in the same order followed by the same
|
|
// values as the list ExtraArgs in the same order.
|
|
// 5. Return the result of calling the [[Call]] internal method
|
|
// of target providing boundThis as the this value and
|
|
// providing args as the arguments.
|
|
|
|
// equiv: target.call(this, ...boundArgs, ...args)
|
|
return target.apply(
|
|
that,
|
|
args.concat(array_slice.call(arguments))
|
|
);
|
|
|
|
}
|
|
|
|
};
|
|
|
|
// 15. If the [[Class]] internal property of Target is "Function", then
|
|
// a. Let L be the length property of Target minus the length of A.
|
|
// b. Set the length own property of F to either 0 or L, whichever is
|
|
// larger.
|
|
// 16. Else set the length own property of F to 0.
|
|
|
|
var boundLength = Math.max(0, target.length - args.length);
|
|
|
|
// 17. Set the attributes of the length own property of F to the values
|
|
// specified in 15.3.5.1.
|
|
var boundArgs = [];
|
|
for (var i = 0; i < boundLength; i++) {
|
|
boundArgs.push('$' + i);
|
|
}
|
|
|
|
// XXX Build a dynamic function with desired amount of arguments is the only
|
|
// way to set the length property of a function.
|
|
// In environments where Content Security Policies enabled (Chrome extensions,
|
|
// for ex.) all use of eval or Function costructor throws an exception.
|
|
// However in all of these environments Function.prototype.bind exists
|
|
// and so this code will never be executed.
|
|
var bound = Function('binder', 'return function (' + boundArgs.join(',') + '){ return binder.apply(this, arguments); }')(binder);
|
|
|
|
if (target.prototype) {
|
|
Empty.prototype = target.prototype;
|
|
bound.prototype = new Empty();
|
|
// Clean up dangling references.
|
|
Empty.prototype = null;
|
|
}
|
|
|
|
// TODO
|
|
// 18. Set the [[Extensible]] internal property of F to true.
|
|
|
|
// TODO
|
|
// 19. Let thrower be the [[ThrowTypeError]] function Object (13.2.3).
|
|
// 20. Call the [[DefineOwnProperty]] internal method of F with
|
|
// arguments "caller", PropertyDescriptor {[[Get]]: thrower, [[Set]]:
|
|
// thrower, [[Enumerable]]: false, [[Configurable]]: false}, and
|
|
// false.
|
|
// 21. Call the [[DefineOwnProperty]] internal method of F with
|
|
// arguments "arguments", PropertyDescriptor {[[Get]]: thrower,
|
|
// [[Set]]: thrower, [[Enumerable]]: false, [[Configurable]]: false},
|
|
// and false.
|
|
|
|
// TODO
|
|
// NOTE Function objects created using Function.prototype.bind do not
|
|
// have a prototype property or the [[Code]], [[FormalParameters]], and
|
|
// [[Scope]] internal properties.
|
|
// XXX can't delete prototype in pure-js.
|
|
|
|
// 22. Return F.
|
|
return bound;
|
|
}
|
|
});
|
|
|
|
//
|
|
// Array
|
|
// =====
|
|
//
|
|
|
|
// ES5 15.4.3.2
|
|
// http://es5.github.com/#x15.4.3.2
|
|
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/isArray
|
|
defineProperties(Array, { isArray: isArray });
|
|
|
|
|
|
var boxedString = Object('a');
|
|
var splitString = boxedString[0] !== 'a' || !(0 in boxedString);
|
|
|
|
var properlyBoxesContext = function properlyBoxed(method) {
|
|
// Check node 0.6.21 bug where third parameter is not boxed
|
|
var properlyBoxesNonStrict = true;
|
|
var properlyBoxesStrict = true;
|
|
if (method) {
|
|
method.call('foo', function (_, __, context) {
|
|
if (typeof context !== 'object') { properlyBoxesNonStrict = false; }
|
|
});
|
|
|
|
method.call([1], function () {
|
|
'use strict';
|
|
properlyBoxesStrict = typeof this === 'string';
|
|
}, 'x');
|
|
}
|
|
return !!method && properlyBoxesNonStrict && properlyBoxesStrict;
|
|
};
|
|
|
|
defineProperties(ArrayPrototype, {
|
|
forEach: function forEach(fun /*, thisp*/) {
|
|
var object = toObject(this),
|
|
self = splitString && isString(this) ? 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 (!isFunction(fun)) {
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
}, !properlyBoxesContext(ArrayPrototype.forEach));
|
|
|
|
// ES5 15.4.4.14
|
|
// http://es5.github.com/#x15.4.4.14
|
|
// https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Array/indexOf
|
|
var hasFirefox2IndexOfBug = Array.prototype.indexOf && [0, 1].indexOf(1, 2) !== -1;
|
|
defineProperties(ArrayPrototype, {
|
|
indexOf: function indexOf(sought /*, fromIndex */ ) {
|
|
var self = splitString && isString(this) ? 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;
|
|
}
|
|
}, hasFirefox2IndexOfBug);
|
|
|
|
//
|
|
// String
|
|
// ======
|
|
//
|
|
|
|
// ES5 15.5.4.14
|
|
// http://es5.github.com/#x15.5.4.14
|
|
|
|
// [bugfix, IE lt 9, firefox 4, Konqueror, Opera, obscure browsers]
|
|
// Many browsers do not split properly with regular expressions or they
|
|
// do not perform the split correctly under obscure conditions.
|
|
// See http://blog.stevenlevithan.com/archives/cross-browser-split
|
|
// I've tested in many browsers and this seems to cover the deviant ones:
|
|
// 'ab'.split(/(?:ab)*/) should be ["", ""], not [""]
|
|
// '.'.split(/(.?)(.?)/) should be ["", ".", "", ""], not ["", ""]
|
|
// 'tesst'.split(/(s)*/) should be ["t", undefined, "e", "s", "t"], not
|
|
// [undefined, "t", undefined, "e", ...]
|
|
// ''.split(/.?/) should be [], not [""]
|
|
// '.'.split(/()()/) should be ["."], not ["", "", "."]
|
|
|
|
var string_split = StringPrototype.split;
|
|
if (
|
|
'ab'.split(/(?:ab)*/).length !== 2 ||
|
|
'.'.split(/(.?)(.?)/).length !== 4 ||
|
|
'tesst'.split(/(s)*/)[1] === 't' ||
|
|
'test'.split(/(?:)/, -1).length !== 4 ||
|
|
''.split(/.?/).length ||
|
|
'.'.split(/()()/).length > 1
|
|
) {
|
|
(function () {
|
|
var compliantExecNpcg = /()??/.exec('')[1] === void 0; // NPCG: nonparticipating capturing group
|
|
|
|
StringPrototype.split = function (separator, limit) {
|
|
var string = this;
|
|
if (separator === void 0 && limit === 0) {
|
|
return [];
|
|
}
|
|
|
|
// If `separator` is not a regex, use native split
|
|
if (_toString.call(separator) !== '[object RegExp]') {
|
|
return string_split.call(this, separator, limit);
|
|
}
|
|
|
|
var output = [],
|
|
flags = (separator.ignoreCase ? 'i' : '') +
|
|
(separator.multiline ? 'm' : '') +
|
|
(separator.extended ? 'x' : '') + // Proposed for ES6
|
|
(separator.sticky ? 'y' : ''), // Firefox 3+
|
|
lastLastIndex = 0,
|
|
// Make `global` and avoid `lastIndex` issues by working with a copy
|
|
separator2, match, lastIndex, lastLength;
|
|
separator = new RegExp(separator.source, flags + 'g');
|
|
string += ''; // Type-convert
|
|
if (!compliantExecNpcg) {
|
|
// Doesn't need flags gy, but they don't hurt
|
|
separator2 = new RegExp('^' + separator.source + '$(?!\\s)', flags);
|
|
}
|
|
/* Values for `limit`, per the spec:
|
|
* If undefined: 4294967295 // Math.pow(2, 32) - 1
|
|
* If 0, Infinity, or NaN: 0
|
|
* If positive number: limit = Math.floor(limit); if (limit > 4294967295) limit -= 4294967296;
|
|
* If negative number: 4294967296 - Math.floor(Math.abs(limit))
|
|
* If other: Type-convert, then use the above rules
|
|
*/
|
|
limit = limit === void 0 ?
|
|
-1 >>> 0 : // Math.pow(2, 32) - 1
|
|
ToUint32(limit);
|
|
while (match = separator.exec(string)) {
|
|
// `separator.lastIndex` is not reliable cross-browser
|
|
lastIndex = match.index + match[0].length;
|
|
if (lastIndex > lastLastIndex) {
|
|
output.push(string.slice(lastLastIndex, match.index));
|
|
// Fix browsers whose `exec` methods don't consistently return `undefined` for
|
|
// nonparticipating capturing groups
|
|
if (!compliantExecNpcg && match.length > 1) {
|
|
match[0].replace(separator2, function () {
|
|
for (var i = 1; i < arguments.length - 2; i++) {
|
|
if (arguments[i] === void 0) {
|
|
match[i] = void 0;
|
|
}
|
|
}
|
|
});
|
|
}
|
|
if (match.length > 1 && match.index < string.length) {
|
|
ArrayPrototype.push.apply(output, match.slice(1));
|
|
}
|
|
lastLength = match[0].length;
|
|
lastLastIndex = lastIndex;
|
|
if (output.length >= limit) {
|
|
break;
|
|
}
|
|
}
|
|
if (separator.lastIndex === match.index) {
|
|
separator.lastIndex++; // Avoid an infinite loop
|
|
}
|
|
}
|
|
if (lastLastIndex === string.length) {
|
|
if (lastLength || !separator.test('')) {
|
|
output.push('');
|
|
}
|
|
} else {
|
|
output.push(string.slice(lastLastIndex));
|
|
}
|
|
return output.length > limit ? output.slice(0, limit) : output;
|
|
};
|
|
}());
|
|
|
|
// [bugfix, chrome]
|
|
// If separator is undefined, then the result array contains just one String,
|
|
// which is the this value (converted to a String). If limit is not undefined,
|
|
// then the output array is truncated so that it contains no more than limit
|
|
// elements.
|
|
// "0".split(undefined, 0) -> []
|
|
} else if ('0'.split(void 0, 0).length) {
|
|
StringPrototype.split = function split(separator, limit) {
|
|
if (separator === void 0 && limit === 0) { return []; }
|
|
return string_split.call(this, separator, limit);
|
|
};
|
|
}
|
|
|
|
// ECMA-262, 3rd B.2.3
|
|
// Not an ECMAScript standard, although ECMAScript 3rd Edition has a
|
|
// non-normative section suggesting uniform semantics and it should be
|
|
// normalized across all browsers
|
|
// [bugfix, IE lt 9] IE < 9 substr() with negative value not working in IE
|
|
var string_substr = StringPrototype.substr;
|
|
var hasNegativeSubstrBug = ''.substr && '0b'.substr(-1) !== 'b';
|
|
defineProperties(StringPrototype, {
|
|
substr: function substr(start, length) {
|
|
return string_substr.call(
|
|
this,
|
|
start < 0 ? ((start = this.length + start) < 0 ? 0 : start) : start,
|
|
length
|
|
);
|
|
}
|
|
}, hasNegativeSubstrBug);
|