// From
// https://raw.githubusercontent.com/inexorabletash/polyfill/a6bc6ced78160c994f76a909b6ff6bbbab3d43de/es6.js
// Required for ethereumjs-utils.js when run in phantomjs-2.1.1
// but is not required in any modern browsers.
// For more information, see
// https://www.bountysource.com/issues/38485709-error-rendering-plot-with-phantomjs
//----------------------------------------------------------------------
//
// ECMAScript 2015 Polyfills
//
//----------------------------------------------------------------------
(function (global) {
"use strict";
// Set this to always override native implementations, for testing
// the polyfill in browsers with partial/full ES2015 support.
var OVERRIDE_NATIVE_FOR_TESTING = false;
var undefined = (void 0); // Paranoia
// Helpers
function strict(o) {
return o === global ? undefined : o;
}
function hook(o, p, f) {
var op = o[p];
console.assert(typeof op === 'function', 'Hooking a non-function');
o[p] = function() {
var o = strict(this);
var r = f.apply(o, arguments);
return r !== undefined ? r : op.apply(o, arguments);
};
}
function isSymbol(s) {
return (typeof s === 'symbol') || ('Symbol' in global && s instanceof global.Symbol);
}
function getPropertyDescriptor(target, name) {
var desc = Object.getOwnPropertyDescriptor(target, name);
var proto = Object.getPrototypeOf(target);
while (!desc && proto) {
desc = Object.getOwnPropertyDescriptor(proto, name);
proto = Object.getPrototypeOf(proto);
}
return desc;
}
var enqueue = (function(nativePromise, nativeSetImmediate) {
if (nativePromise)
return function(job) { nativePromise.resolve().then(function() { job(); }); };
if (nativeSetImmediate)
return function(job) { nativeSetImmediate(job); };
return function(job) { setTimeout(job, 0); };
}(global['Promise'], global['setImmediate']));
function define(o, p, v, override) {
if (p in o && !override && !OVERRIDE_NATIVE_FOR_TESTING)
return;
if (typeof v === 'function') {
// Sanity check that functions are appropriately named (where possible)
console.assert(isSymbol(p) || !('name' in v) || v.name === p || v.name === p + '_', 'Expected function name "' + p.toString() + '", was "' + v.name + '"');
Object.defineProperty(o, p, {
value: v,
configurable: true,
enumerable: false,
writable: true
});
} else {
Object.defineProperty(o, p, {
value: v,
configurable: false,
enumerable: false,
writable: false
});
}
}
function set_internal(o, p, v) {
Object.defineProperty(o, p, {
value: v,
configurable: false,
enumerable: false,
writable: true
});
}
// Snapshot intrinsic functions
var $isNaN = global.isNaN,
$parseInt = global.parseInt,
$parseFloat = global.parseFloat;
var E = Math.E,
LOG10E = Math.LOG10E,
LOG2E = Math.LOG2E,
abs = Math.abs,
ceil = Math.ceil,
exp = Math.exp,
floor = Math.floor,
log = Math.log,
max = Math.max,
min = Math.min,
pow = Math.pow,
random = Math.random,
sqrt = Math.sqrt;
var orig_match = String.prototype.match,
orig_replace = String.prototype.replace,
orig_search = String.prototype.search,
orig_split = String.prototype.split;
// These are used for implementing the polyfills, but not exported.
// Inspired by https://gist.github.com/1638059
/** @constructor */
function EphemeronTable() {
var secretKey = ObjectCreate(null);
function conceal(o) {
var oValueOf = o.valueOf, secrets = ObjectCreate(null);
Object.defineProperty(o, 'valueOf', {
value: (function(secretKey) {
return function (k) {
return (k === secretKey) ? secrets : oValueOf.apply(o, arguments);
};
}(secretKey)),
configurable: true,
writeable: true,
enumerable: false
});
return secrets;
}
function reveal(o) {
var v = typeof o.valueOf === 'function' && o.valueOf(secretKey);
return v === o ? null : v;
}
return {
clear: function() {
secretKey = ObjectCreate(null);
},
remove: function(key) {
var secrets = reveal(key);
if (secrets && HasOwnProperty(secrets, 'value')) {
delete secrets.value;
return true;
}
return false;
},
get: function(key, defaultValue) {
var secrets = reveal(key);
return (secrets && HasOwnProperty(secrets, 'value')) ? secrets.value : defaultValue;
},
has: function(key) {
var secrets = reveal(key);
return Boolean(secrets && HasOwnProperty(secrets, 'value'));
},
set: function(key, value) {
var secrets = reveal(key) || conceal(key);
secrets.value = value;
}
};
}
var empty = Object.create(null);
//----------------------------------------------------------------------
//
// ECMAScript 2015
// http://www.ecma-international.org/ecma-262/6.0/
//
//----------------------------------------------------------------------
// ---------------------------------------
// 19.4 Symbol Objects
// ---------------------------------------
// NOTE: Symbols are defined here - out of spec order - since we need the
// properties and prototype to be populated for other polyfills.
// NOTE: Not secure, nor is obj[$$symbol] hidden from Object.keys()
var symbolForKey;
(function() {
var secret = Object.create(null);
var symbolMap = {};
symbolForKey = function(k) {
return symbolMap[k];
};
var GlobalSymbolRegistry = [];
function unique(bits) {
return Array(bits + 1).join('x').replace(/x/g, function() {
return random() < 0.5 ? '\u200C' : '\u200D'; // JWNJ / ZWJ
});
}
// 19.4.1 The Symbol Constructor
// 19.4.1.1 Symbol ( description=undefined )
function Symbol(description) {
if (!(this instanceof Symbol)) return new Symbol(description, secret);
if (this instanceof Symbol && arguments[1] !== secret) throw TypeError();
var descString = description === undefined ? undefined : String(description);
set_internal(this, '[[SymbolData]]', unique(128));
set_internal(this, '[[Description]]', descString);
symbolMap[this] = this;
return this;
}
if (!('Symbol' in global) || OVERRIDE_NATIVE_FOR_TESTING)
global.Symbol = Symbol;
// 19.4.2 Properties of the Symbol Constructor
// 19.4.2.1 Symbol.for (key)
define(Symbol, 'for', function for_(key) {
var stringKey = String(key);
for (var i = 0; i < GlobalSymbolRegistry.length; ++i) {
var e = GlobalSymbolRegistry[i];
if (SameValue(e['[[key]]'], stringKey)) return e['[[symbol]]'];
}
var newSymbol = Symbol(key);
GlobalSymbolRegistry.push({'[[key]]': stringKey, '[[symbol]]': newSymbol});
return newSymbol;
});
// 19.4.2.2 Symbol.hasInstance
// 19.4.2.3 Symbol.isConcatSpreadable
// 19.4.2.4 Symbol.iterator
define(global.Symbol, 'iterator', global.Symbol('Symbol.iterator'));
// 19.4.2.5 Symbol.keyFor (sym)
define(Symbol, 'keyFor', function keyFor(sym) {
if (!(sym instanceof Symbol)) throw TypeError();
for (var i = 0; i < GlobalSymbolRegistry.length; ++i) {
var e = GlobalSymbolRegistry[i];
if (SameValue(e['[[symbol]]'], sym)) return e['[[key]]'];
}
return undefined;
});
// 19.4.2.6 Symbol.match
define(global.Symbol, 'match', global.Symbol('Symbol.match'));
// 19.4.2.7 Symbol.prototype
// 19.4.2.8 Symbol.replace
define(global.Symbol, 'replace', global.Symbol('Symbol.replace'));
// 19.4.2.9 Symbol.search
define(global.Symbol, 'search', global.Symbol('Symbol.search'));
// 19.4.2.10 Symbol.species
// 19.4.2.11 Symbol.search
define(global.Symbol, 'split', global.Symbol('Symbol.split'));
// 19.4.2.12 Symbol.toPrimitive
// 19.4.2.13 Symbol.toStringTag
define(global.Symbol, 'toStringTag', global.Symbol('Symbol.toStringTag'));
// 19.4.2.14 Symbol.unscopables
// 19.4.3 Properties of the Symbol Prototype Object
// 19.4.3.1 Symbol.prototype.constructor
// 19.4.3.2 Symbol.prototype.toString ( )
Object.defineProperty(Symbol.prototype, 'toString', {
value: function toString() {
var s = strict(this);
var desc = s['[[Description]]'];
return 'Symbol(' + (desc === undefined ? '' : desc) + s['[[SymbolData]]'] + ')';
},
configurable: true, writeable: true, enumerable: false });
// 19.4.3.3 Symbol.prototype.valueOf ( )
Object.defineProperty(Symbol.prototype, 'valueOf', {
value: function valueOf() {
// To prevent automatic string conversion:
throw TypeError();
// Spec has approximately the following:
//var s = strict(this);
//if (Type(s) === 'symbol') return s;
//if (Type(s) !== 'object') throw TypeError();
//if (!('[[SymbolData]]' in s)) throw TypeError();
//return s['[[SymbolData]]'];
},
configurable: true, writeable: true, enumerable: false });
// 19.4.3.4 Symbol.prototype [ @@toStringTag ]
// (Done later to polyfill partial implementations)
// 19.4.4 Properties of Symbol Instances
}());
console.assert(typeof global.Symbol() === 'symbol' || symbolForKey(String(global.Symbol('x'))));
// Defined here so that other prototypes can reference it
// 25.1.2 The %IteratorPrototype% Object
var $IteratorPrototype$ = {};
//----------------------------------------
// 6 ECMAScript Data Types and Values
//----------------------------------------
// 6.1 ECMAScript Language Types
// "Type(x)" is used as shorthand for "the type of x"...
function Type(v) {
switch (typeof v) {
case 'undefined': return 'undefined';
case 'boolean': return 'boolean';
case 'number': return 'number';
case 'string': return 'string';
case 'symbol': return 'symbol';
default:
if (v === null) return 'null';
if (v instanceof global.Symbol) return 'symbol';
return 'object';
}
}
// 6.1.5.1 Well-Known Symbols
var $$iterator = global.Symbol.iterator,
$$match = global.Symbol.match,
$$replace = global.Symbol.replace,
$$search = global.Symbol.search,
$$split = global.Symbol.split,
$$toStringTag = global.Symbol.toStringTag;
//----------------------------------------
// 7 Abstract Operations
//----------------------------------------
//----------------------------------------
// 7.1 Type Conversion
//----------------------------------------
// 7.1.1 ToPrimitive ( input [, PreferredType] )
// just use valueOf()
// 7.1.2 ToBoolean ( argument )
// just use Boolean()
// 7.1.3 ToNumber ( argument )
// just use Number()
// 7.1.4 ToInteger ( argument )
function ToInteger(n) {
n = Number(n);
if ($isNaN(n)) return 0;
if (n === 0 || n === Infinity || n === -Infinity) return n;
return ((n < 0) ? -1 : 1) * floor(abs(n));
}
// 7.1.5 ToInt32 ( argument )
function ToInt32(v) { return v >> 0; }
// 7.1.6 ToUint32 ( argument )
function ToUint32(v) { return v >>> 0; }
// 7.1.7 ToInt16 ( argument )
function ToInt16(v) { return (v << 16) >> 16; }
// 7.1.8 ToUint16 ( argument )
function ToUint16(v) { return v & 0xFFFF; }
// 7.1.9 ToInt8 ( argument )
function ToInt8(v) { return (v << 24) >> 24; }
// 7.1.10 ToUint8 ( argument )
function ToUint8(v) { return v & 0xFF; }
// 7.1.11 ToUint8Clamp ( argument )
function ToUint8Clamp(argument) {
var number = Number(argument);
if ($isNaN(number)) return 0;
if (number <= 0) return 0;
if (number >= 255) return 255;
var f = floor(number);
if ((f + 0.5) < number) return f + 1;
if (number < (f + 0.5)) return f;
if (f % 2) return f + 1;
return f;
}
// 7.1.12 ToString ( argument )
// just use String()
// 7.1.13 ToObject ( argument )
function ToObject(v) {
if (v === null || v === undefined) throw TypeError();
return Object(v);
}
// 7.1.14 ToPropertyKey ( argument )
function ToPropertyKey(v) {
return String(v);
}
// 7.1.15 ToLength ( argument )
function ToLength(v) {
var len = ToInteger(v);
if (len <= 0) return 0;
if (len === Infinity) return 0x20000000000000 - 1; // 2^53-1
return min(len, 0x20000000000000 - 1); // 2^53-1
}
// 7.1.16 CanonicalNumericIndexString ( argument )
//----------------------------------------
// 7.2 Testing and Comparison Operations
//----------------------------------------
// 7.2.1 RequireObjectCoercible ( argument )
// 7.2.2 IsArray ( argument )
// 7.2.3 IsCallable ( argument )
function IsCallable(o) { return typeof o === 'function'; }
// 7.2.4 IsConstructor ( argument )
function IsConstructor(o) {
// Hacks for Safari 7 TypedArray XXXConstructor objects
if (/Constructor/.test(Object.prototype.toString.call(o))) return true;
if (/Function/.test(Object.prototype.toString.call(o))) return true;
// TODO: Can this be improved on?
return typeof o === 'function';
}
// 7.2.5 IsExtensible (O)
// 7.2.6 IsInteger ( argument )
// 7.2.7 IsPropertyKey ( argument )
function IsPropertyKey(argument) {
if (Type(argument) === 'string') return true;
if (Type(argument) === 'symbol') return true;
return false;
}
// 7.2.8 IsRegExp ( argument )
// 7.2.5 IsConstructor ( argument )
// 7.2.9 SameValue(x, y)
function SameValue(x, y) {
if (typeof x !== typeof y) return false;
switch (typeof x) {
case 'undefined':
return true;
case 'number':
if (x !== x && y !== y) return true;
if (x === 0 && y === 0) return 1/x === 1/y;
return x === y;
case 'boolean':
case 'string':
case 'object':
default:
return x === y;
}
}
// 7.2.10 SameValueZero(x, y)
function SameValueZero(x, y) {
if (typeof x !== typeof y) return false;
switch (typeof x) {
case 'undefined':
return true;
case 'number':
if (x !== x && y !== y) return true;
return x === y;
case 'boolean':
case 'string':
case 'object':
default:
return x === y;
}
}
//----------------------------------------
// 7.3 Operations on Objects
//----------------------------------------
// 7.3.1 Get (O, P)
// - just use o.p or o[p]
// 7.3.2 GetV (V, P)
function GetV(v, p) {
var o = ToObject(v);
return o[p];
}
// 7.3.3 Set (O, P, V, Throw)
// - just use o.p = v or o[p] = v
// 7.3.9 GetMethod (O, P)
function GetMethod(o, p) {
var func = GetV(o, p);
if (func === undefined || func === null) return undefined;
if (!IsCallable(func)) throw TypeError();
return func;
}
// 7.3.10 HasProperty (O, P)
function HasProperty(o, p) {
while (o) {
if (Object.prototype.hasOwnProperty.call(o, p)) return true;
if (Type(o) !== 'object') return false;
o = Object.getPrototypeOf(o);
}
return false;
}
// 7.3.11 HasOwnProperty (O, P)
function HasOwnProperty(o, p) {
return Object.prototype.hasOwnProperty.call(o, p);
}
//----------------------------------------
// 7.4 Operations on Iterator Objects
//----------------------------------------
// 7.4.1 GetIterator ( obj, method )
function GetIterator(obj, method) {
if (arguments.length < 2)
method = GetMethod(obj, $$iterator);
var iterator = method.call(obj);
if (Type(iterator) !== 'object') throw TypeError();
return iterator;
}
// 7.4.2 IteratorNext ( iterator, value )
function IteratorNext(iterator, value) {
if (arguments.length < 2)
var result = iterator.next();
else
result = iterator.next(value);
if (Type(result) !== 'object') throw TypeError();
return result;
}
// 7.4.3 IteratorComplete ( iterResult )
function IteratorComplete(iterResult) {
console.assert(Type(iterResult) === 'object');
return Boolean(iterResult.done);
}
// 7.4.4 IteratorValue ( iterResult )
function IteratorValue(iterResult) {
console.assert(Type(iterResult) === 'object');
return iterResult.value;
}
// 7.4.5 IteratorStep ( iterator )
function IteratorStep( iterator, value ) {
var result = IteratorNext(iterator, value);
var done = result['done'];
if (Boolean(done) === true) return false;
return result;
}
// 7.4.6 IteratorClose( iterator, completion )
function IteratorClose( iterator, completion ) {
console.assert(Type(iterator) === 'object');
var _return = GetMethod(iterator, 'return');
if (_return === undefined) return completion;
try {
var innerResult = _return[iterator]();
} catch (result) {
// TODO: If completion.[[type]] is throw, return completion
return result;
}
if (Type(innerResult) !== 'object') throw TypeError();
return completion;
}
// 7.4.7 CreateIterResultObject (value, done)
function CreateIterResultObject(value, done) {
console.assert(Type(done) === 'boolean');
var obj = {};
obj["value"] = value;
obj["done"] = done;
return obj;
}
// 7.4.8 CreateListIterator (list)
// 7.4.8.1 ListIterator next( )
// 7.4.9 CreateCompoundIterator ( iterator1, iterator2 )
// 7.4.9.1 CompoundIterator next( )
//----------------------------------------
// 8 Executable Code and Execution Contexts
//----------------------------------------
//----------------------------------------
// 8.4 Jobs and Job Queues
//----------------------------------------
// 8.4.1 EnqueueJob ( queueName, job, arguments)
function EnqueueJob(queueName, job, args) {
var fn = function() { job.apply(undefined, args); };
enqueue(fn);
}
// 8.4.2 NextJob result
function NextJob(result) {
// no-op
}
//----------------------------------------
// 9 Ordinary and Exotic Objects Behaviors
//----------------------------------------
// 9.1.11 [[Enumerate]] ()
function Enumerate(obj) {
var e = [];
if (Object(obj) !== obj) return e;
var visited = new Set;
while (obj !== null) {
Object.getOwnPropertyNames(obj).forEach(function(name) {
if (!visited.has(name)) {
var desc = Object.getOwnPropertyDescriptor(obj, name);
if (desc) {
visited.add(name);
if (desc.enumerable) e.push(name);
}
}
});
obj = Object.getPrototypeOf(obj);
}
return e[$$iterator]();
}
// 9.1.12 [[OwnPropertyKeys]] ( )
function OwnPropertyKeys(o) {
return Object.getOwnPropertyNames(o);
}
// 9.1.13 ObjectCreate(proto, internalSlotsList)
function ObjectCreate(proto, internalSlotsList) {
return Object.create(proto, internalSlotsList);
}
// ---------------------------------------
// 19 Fundamental Objects
// ---------------------------------------
// ---------------------------------------
// 19.1 Object Objects
// ---------------------------------------
// 19.1.1 The Object Constructor
// 19.1.1.1 Object ( [ value ] )
// 19.1.2 Properties of the Object Constructor
// 19.1.2.1 Object.assign ( target, ...sources )
define(
Object, 'assign',
function assign(target, /*...*/sources) {
var to = ToObject(target);
if (arguments.length < 2) return to;
var sourcesIndex = 1;
while (sourcesIndex < arguments.length) {
var nextSource = arguments[sourcesIndex++];
if (nextSource === undefined || nextSource === null) {
var keys = [];
} else {
var from = ToObject(nextSource);
keys = OwnPropertyKeys(from);
}
for (var keysIndex = 0; keysIndex < keys.length; ++keysIndex) {
var nextKey = keys[keysIndex];
var desc = Object.getOwnPropertyDescriptor(from, nextKey);
if (desc !== undefined && desc.enumerable) {
var propValue = from[nextKey];
to[nextKey] = propValue;
}
}
}
return to;
});
// 19.1.2.2 Object.create ( O [ , Properties ] )
// 19.1.2.3 Object.defineProperties ( O, Properties )
// 19.1.2.4 Object.defineProperty ( O, P, Attributes )
// 19.1.2.5 Object.freeze ( O )
// 19.1.2.6 Object.getOwnPropertyDescriptor ( O, P )
(function() {
var nativeSymbols = (typeof global.Symbol() === 'symbol'),
$getOwnPropertyNames = Object.getOwnPropertyNames,
$keys = Object.keys,
$window_names = (typeof window === 'object' ? $getOwnPropertyNames(window) : []);
function isStringKey(k) { return !symbolForKey(k); }
// 19.1.2.7 Object.getOwnPropertyNames ( O )
define(
Object, 'getOwnPropertyNames',
function getOwnPropertyNames(o) {
if (Object.prototype.toString.call(o) === '[object Window]') {
// Workaround for cross-realm calling by IE itself.
// https://github.com/inexorabletash/polyfill/issues/96
try {
return $getOwnPropertyNames(o).filter(isStringKey);
} catch (_) {
return $window_names.slice();
}
}
return $getOwnPropertyNames(o).filter(isStringKey);
}, !nativeSymbols);
// 19.1.2.8 Object.getOwnPropertySymbols ( O )
define(
Object, 'getOwnPropertySymbols',
function getOwnPropertySymbols(o) {
return $getOwnPropertyNames(o).filter(symbolForKey).map(symbolForKey);
}, !nativeSymbols);
// 19.1.2.14 Object.keys ( O )
define(
Object, 'keys',
function keys(o) {
return $keys(o).filter(isStringKey);
}, !nativeSymbols);
}());
// 19.1.2.9 Object.getPrototypeOf ( O )
// 19.1.2.10 Object.is ( value1, value2 )
define(
Object, 'is',
function is(value1, value2) {
return SameValue(value1, value2);
});
// 19.1.2.11 Object.isExtensible ( O )
// 19.1.2.12 Object.isFrozen ( O )
// 19.1.2.13 Object.isSealed ( O )
// 19.1.2.14 Object.keys ( O )
// see above
// 19.1.2.15 Object.preventExtensions ( O )
// 19.1.2.16 Object.prototype
// 19.1.2.17 Object.seal ( O )
// 19.1.2.18 Object.setPrototypeOf ( O, proto )
define(
Object, 'setPrototypeOf',
function setPrototypeOf(o, proto) {
if (Type(o) !== 'object') throw TypeError();
if (Type(proto) !== 'object' && Type(proto) !== 'null') throw TypeError();
o.__proto__ = proto;
return o;
}
);
// 19.1.3 Properties of the Object Prototype Object
// 19.1.3.1 Object.prototype.constructor
// 19.1.3.2 Object.prototype.hasOwnProperty ( V )
// 19.1.3.3 Object.prototype.isPrototypeOf ( V )
// 19.1.3.4 Object.prototype.propertyIsEnumerable ( V )
// 19.1.3.5 Object.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )
// 19.1.3.6 Object.prototype.toString ( )
hook(Object.prototype, 'toString',
function() {
var o = strict(this);
if (o === Object(o) && $$toStringTag in o) {
return '[object ' + o[$$toStringTag] + ']';
}
return undefined;
});
// 19.1.3.7 Object.prototype.valueOf ( )
// 19.1.4 Properties of Object Instances
// ---------------------------------------
// 19.2 Function Objects
// ---------------------------------------
// 19.2.1 The Function Constructor
// 19.2.1.1 Function ( p1, p2, … , pn, body )
// 19.2.2 Properties of the Function Constructor
// 19.2.2.1 Function.length
// 19.2.2.2 Function.prototype
// 19.2.3 Properties of the Function Prototype Object
// 19.2.3.1 Function.prototype.apply ( thisArg, argArray )
// 19.2.3.2 Function.prototype.bind ( thisArg , ...args)
// 19.2.3.3 Function.prototype.call (thisArg , ...args)
// 19.2.3.4 Function.prototype.constructor
// 19.2.3.5 Function.prototype.toString ( )
// 19.2.3.6 Function.prototype[@@hasInstance] ( V )
// 19.2.4 Function Instances
// 19.2.4.1 length
// 19.2.4.2 name
// 19.2.4.3 prototype
// (No polyfillable changes from ES5)
// ---------------------------------------
// 19.3 Boolean Objects
// ---------------------------------------
// 19.3.1 The Boolean Constructor
// 19.3.1.1 Boolean ( value )
// 19.3.2 Properties of the Boolean Constructor
// 19.3.2.1 Boolean.prototype
// 19.3.3 Properties of the Boolean Prototype Object
// 19.3.3.1 Boolean.prototype.constructor
// 19.3.3.2 Boolean.prototype.toString ( )
// 19.3.3.3 Boolean.prototype.valueOf ( )
// 19.3.4 Properties of Boolean Instances
// (No polyfillable changes from ES5)
// ---------------------------------------
// 19.4 Symbol Objects
// ---------------------------------------
// Moved earlier in this script, so that other polyfills can depend on them.
// 19.4.3.4 Symbol.prototype [ @@toStringTag ]
define(global.Symbol.prototype, global.Symbol.toStringTag, 'Symbol');
// ---------------------------------------
// 19.5 Error Objects
// ---------------------------------------
// 19.5.1 The Error Constructor
// 19.5.1.1 Error ( message )
// 19.5.1.2 new Error( ...argumentsList )
// 19.5.2 Properties of the Error Constructor
// 19.5.2.1 Error.prototype
// 19.5.3 Properties of the Error Prototype Object
// 19.5.3.1 Error.prototype.constructor
// 19.5.3.2 Error.prototype.message
// 19.5.3.3 Error.prototype.name
// 19.5.3.4 Error.prototype.toString ( )
// 19.5.4 Properties of Error Instances
// 19.5.5 Native Error Types Used in This Standard
// 19.5.5.1 EvalError
// 19.5.5.2 RangeError
// 19.5.5.3 ReferenceError
// 19.5.5.4 SyntaxError
// 19.5.5.5 TypeError
// 19.5.5.6 URIError
// 19.5.6 NativeError Object Structure
// 19.5.6.1 NativeError Constructors
// 19.5.6.1.1 NativeError ( message )
// 19.5.6.1.2 new NativeError ( ...argumentsList )
// 19.5.6.2 Properties of the NativeError Constructors
// 19.5.6.2.1 NativeError.prototype
// 19.5.6.3 Properties of the NativeError Prototype Objects
// 19.5.6.4 Properties of NativeError Instances
// (No polyfillable changes from ES5)
// ---------------------------------------
// 20 Numbers and Dates
// ---------------------------------------
// ---------------------------------------
// 20.1 Number Objects
// ---------------------------------------
// 20.1.1 The Number Constructor
// 20.1.1.1 Number ( [ value ] )
// 20.1.1.2 new Number ( ...argumentsList )
// 20.1.2 Properties of the Number Constructor
// 20.1.2.1 Number.EPSILON
define(
Number, 'EPSILON',
(function () {
var next, result;
for (next = 1; 1 + next !== 1; next = next / 2)
result = next;
return result;
}()));
// 20.1.2.2 Number.isFinite ( number )
define(
Number, 'isFinite',
function isFinite(number) {
if (Type(number) !== 'number') return false;
if (number !== number || number === +Infinity || number === -Infinity) return false;
return true;
});
// 20.1.2.3 Number.isInteger ( number )
define(
Number, 'isInteger',
function isInteger(number) {
if (Type(number) !== 'number') return false;
if (number !== number || number === +Infinity || number === -Infinity) return false;
var integer = ToInteger(number);
if (integer !== number) return false;
return true;
});
// 20.1.2.4 Number.isNaN ( number )
define(
Number, 'isNaN',
function isNaN(number) {
if (Type(number) !== 'number') return false;
if (number !== number) return true;
return false;
});
// 20.1.2.5 Number.isSafeInteger ( number )
define(
Number, 'isSafeInteger',
function isSafeInteger(number) {
if (Type(number) !== 'number') return false;
if (number !== number || number === +Infinity || number === -Infinity) return false;
var integer = ToInteger(number);
if (integer !== number) return false;
if (abs(integer) <= (0x20000000000000 - 1)) // 2^53-1
return true;
return false;
});
// 20.1.2.6 Number.MAX_SAFE_INTEGER
define(
Number, 'MAX_SAFE_INTEGER',
9007199254740991); // 2^53-1
// 20.1.2.7 Number.MAX_VALUE
// 20.1.2.8 Number.MIN_SAFE_INTEGER
define(
Number, 'MIN_SAFE_INTEGER',
-9007199254740991); // -2^53+1
// 20.1.2.9 Number.MIN_VALUE
// 20.1.2.10 Number.NaN
// 20.1.2.11 Number.NEGATIVE_INFINITY
// 20.1.2.12 Number.parseFloat ( string )
define(Number, 'parseFloat', $parseFloat);
// 20.1.2.13 Number.parseInt ( string, radix )
define(Number, 'parseInt', $parseInt);
// 20.1.2.14 Number.POSITIVE_INFINITY
// 20.1.2.15 Number.prototype
// 20.1.3 Properties of the Number Prototype Object
// 20.1.3.1 Number.prototype.constructor
// 20.1.3.2 Number.prototype.toExponential ( fractionDigits )
// 20.1.3.3 Number.prototype.toFixed ( fractionDigits )
// 20.1.3.4 Number.prototype.toLocaleString( [ reserved1 [ , reserved2 ] ])
// 20.1.3.5 Number.prototype.toPrecision ( precision )
// 20.1.3.6 Number.prototype.toString ( [ radix ] )
// 20.1.3.7 Number.prototype.valueOf ( )
// 20.1.4 Properties of Number Instances
// ---------------------------------------
// 20.2 The Math Object
// ---------------------------------------
// 20.2.1 Value Properties of the Math Object
// 20.2.1.1 Math.E
// 20.2.1.2 Math.LN10
// 20.2.1.3 Math.LN2
// 20.2.1.4 Math.LOG10E
// 20.2.1.5 Math.LOG2E
// 20.2.1.6 Math.PI
// 20.2.1.7 Math.SQRT1_2
// 20.2.1.8 Math.SQRT2
// 20.2.1.9 Math [ @@toStringTag ]
define(Math, $$toStringTag, 'Math');
// 20.2.2 Function Properties of the Math Object
// 20.2.2.1 Math.abs ( x )
// 20.2.2.2 Math.acos ( x )
// 20.2.2.3 Math.acosh(x)
define(
Math, 'acosh',
function acosh(x) {
x = Number(x);
return log(x + sqrt(x * x - 1));
});
// 20.2.2.4 Math.asin ( x )
// 20.2.2.5 Math.asinh( x )
define(
Math, 'asinh',
function asinh(x) {
x = Number(x);
if (SameValue(x, -0)) {
return x;
}
var s = sqrt(x * x + 1);
return (s === -x) ? log(0) : log(x + s);
});
// 20.2.2.6 Math.atan ( x )
// 20.2.2.7 Math.atanh( x )
define(
Math, 'atanh',
function atanh(x) {
x = Number(x);
return (x === 0) ? x : log((1 + x) / (1 - x)) / 2;
});
// 20.2.2.8 Math.atan2 ( y, x )
// 20.2.2.9 Math.cbrt ( x )
define(
Math, 'cbrt',
function cbrt(x) {
x = Number(x);
if ($isNaN(x/x)) {
return x;
}
var r = pow(abs(x), 1/3);
var t = x/r/r;
return r + (r * (t-r) / (2*r + t));
});
// 20.2.2.10 Math.ceil ( x )
// 20.2.2.11 Math.clz32 ( x )
define(
Math, 'clz32',
function clz32(x) {
function clz8(x) {
return (x & 0xf0) ? (x & 0x80 ? 0 : x & 0x40 ? 1 : x & 0x20 ? 2 : 3) :
(x & 0x08 ? 4 : x & 0x04 ? 5 : x & 0x02 ? 6 : x & 0x01 ? 7 : 8);
}
x = ToUint32(x);
return x & 0xff000000 ? clz8(x >> 24) :
x & 0xff0000 ? clz8(x >> 16) + 8 :
x & 0xff00 ? clz8(x >> 8) + 16 : clz8(x) + 24;
});
// 20.2.2.12 Math.cos ( x )
// 20.2.2.13 Math.cosh ( x )
define(
Math, 'cosh',
function cosh(x) {
x = Number(x);
return (pow(E, x) + pow(E, -x)) / 2;
});
// 20.2.2.14 Math.exp ( x )
// 20.2.2.15 Math.expm1 ( x )
define(
Math, 'expm1',
function expm1(x) {
x = Number(x);
// from: http://www.johndcook.com/cpp_log1p.html
if (SameValue(x, -0)) {
return -0;
} else if (abs(x) < 1e-5) {
return x + 0.5 * x * x; // two terms of Taylor expansion
} else {
return exp(x) - 1;
}
});
// 20.2.2.16 Math.floor ( x )
// 20.2.2.17 Math.fround ( x )
define(
Math, 'fround',
function fround(x) {
if ($isNaN(x)) {
return NaN;
}
if (1/x === +Infinity || 1/x === -Infinity || x === +Infinity || x === -Infinity) {
return x;
}
return (new Float32Array([x]))[0];
});
// 20.2.2.18 Math.hypot ( value1 [, value2 [ ... ] ] )
define(
Math, 'hypot',
function hypot() {
var values = [];
var m = 0, sawNaN = false;
for (var i = 0; i < arguments.length; ++i) {
var n = abs(Number(arguments[i]));
if (n === Infinity) return n;
if (n !== n) sawNaN = true;
if (n > m) m = n;
values[i] = n;
}
if (sawNaN) return NaN;
if (m === 0) return +0;
var sum = +0;
for (i = 0; i < values.length; ++i) {
var r = values[i] / m;
sum = sum + r * r;
}
return m * sqrt(sum);
});
// 20.2.2.19 Math.imul ( x, y )
define(
Math, 'imul',
function imul(x, y) {
var a = ToUint32(x);
var b = ToUint32(y);
// (slow but accurate)
var ah = (a >>> 16) & 0xffff;
var al = a & 0xffff;
var bh = (b >>> 16) & 0xffff;
var bl = b & 0xffff;
return ((al * bl) + (((ah * bl + al * bh) << 16) >>> 0)|0);
}, ('imul' in Math && Math.imul(1, 0x80000000) === 0) // Safari 7 bug
);
// 20.2.2.20 Math.log ( x )
// 20.2.2.21 Math.log1p ( x )
define(
Math, 'log1p',
function log1p(x) {
x = Number(x);
// from: http://www.johndcook.com/cpp_expm1.html
if (x < -1) {
return NaN;
} else if (SameValue(x, -0)) {
return -0;
} else if (abs(x) > 1e-4) {
return log(1 + x);
} else {
return (-0.5 * x + 1) * x;
}
});
// 20.2.2.22 Math.log10 ( x )
define(
Math, 'log10',
function log10(x) {
x = Number(x);
return log(x) * LOG10E;
});
// 20.2.2.23 Math.log2 ( x )
define(
Math, 'log2',
function log2(x) {
x = Number(x);
return log(x) * LOG2E;
});
// 20.2.2.24 Math.max ( value1, value2 , ...values )
// 20.2.2.25 Math.min ( value1, value2 , ...values )
// 20.2.2.26 Math.pow ( x, y )
// 20.2.2.27 Math.random ( )
// 20.2.2.28 Math.round ( x )
// 20.2.2.29 Math.sign(x)
define(
Math, 'sign',
function sign(x) {
x = Number(x);
return x < 0 ? -1 : x > 0 ? 1 : x;
});
// 20.2.2.30 Math.sin ( x )
// 20.2.2.31 Math.sinh( x )
define(
Math, 'sinh',
function sinh(x) {
x = Number(x);
return SameValue(x, -0) ? x : (pow(E, x) - pow(E, -x)) / 2;
});
// 20.2.2.32 Math.sqrt ( x )
// 20.2.2.33 Math.tan ( x )
// 20.2.2.34 Math.tanh ( x )
define(
Math, 'tanh',
function tanh(x) {
x = Number(x);
var n = pow(E, 2 * x) - 1,
d = pow(E, 2 * x) + 1;
if (SameValue(x, -0))
return x;
return (n === d) ? 1 : n / d; // Handle Infinity/Infinity
});
// 20.2.2.35 Math.trunc ( x )
define(
Math, 'trunc',
function trunc(x) {
x = Number(x);
return $isNaN(x) ? NaN :
x < 0 ? ceil(x) : floor(x);
});
// ---------------------------------------
// 20.3 Date Objects
// ---------------------------------------
// 20.3.1 Overview of Date Objects and Definitions of Abstract Operations
// 20.3.1.1 Time Values and Time Range
// 20.3.1.2 Day Number and Time within Day
// 20.3.1.3 Year Number
// 20.3.1.4 Month Number
// 20.3.1.5 Date Number
// 20.3.1.6 Week Day
// 20.3.1.7 Local Time Zone Adjustment
// 20.3.1.8 Daylight Saving Time Adjustment
// 20.3.1.9 Local Time
// 20.3.1.10 Hours, Minutes, Second, and Milliseconds
// 20.3.1.11 MakeTime (hour, min, sec, ms)
// 20.3.1.12 MakeDay (year, month, date)
// 20.3.1.13 MakeDate (day, time)
// 20.3.1.14 TimeClip (time)
// 20.3.1.15 Date Time String Format
// 20.3.1.15.1 Extended years
// 20.3.2 The Date Constructor
// 20.3.2.1 Date ( year, month [, date [ , hours [ , minutes [ , seconds [ , ms ] ] ] ] ] )
// 20.3.2.2 Date ( value )
// 20.3.2.3 Date ( )
// 20.3.3 Properties of the Date Constructor
// 20.3.3.1 Date.now ( )
// 20.3.3.2 Date.parse (string)
// 20.3.3.3 Date.prototype
// 20.3.3.4 Date.UTC ( year, month [ , date [ , hours [ , minutes [ , seconds [ , ms ] ] ] ] ] )
// 20.3.4 Properties of the Date Prototype Object
// 20.3.4.1 Date.prototype.constructor
// 20.3.4.2 Date.prototype.getDate ( )
// 20.3.4.3 Date.prototype.getDay ( )
// 20.3.4.4 Date.prototype.getFullYear ( )
// 20.3.4.5 Date.prototype.getHours ( )
// 20.3.4.6 Date.prototype.getMilliseconds ( )
// 20.3.4.7 Date.prototype.getMinutes ( )
// 20.3.4.8 Date.prototype.getMonth ( )
// 20.3.4.9 Date.prototype.getSeconds ( )
// 20.3.4.10 Date.prototype.getTime ( )
// 20.3.4.11 Date.prototype.getTimezoneOffset ( )
// 20.3.4.12 Date.prototype.getUTCDate ( )
// 20.3.4.13 Date.prototype.getUTCDay ( )
// 20.3.4.14 Date.prototype.getUTCFullYear ( )
// 20.3.4.15 Date.prototype.getUTCHours ( )
// 20.3.4.16 Date.prototype.getUTCMilliseconds ( )
// 20.3.4.17 Date.prototype.getUTCMinutes ( )
// 20.3.4.18 Date.prototype.getUTCMonth ( )
// 20.3.4.19 Date.prototype.getUTCSeconds ( )
// 20.3.4.20 Date.prototype.setDate ( date )
// 20.3.4.21 Date.prototype.setFullYear ( year [ , month [ , date ] ] )
// 20.3.4.22 Date.prototype.setHours ( hour [ , min [ , sec [ , ms ] ] ] )
// 20.3.4.23 Date.prototype.setMilliseconds ( ms )
// 20.3.4.24 Date.prototype.setMinutes ( min [ , sec [ , ms ] ] )
// 20.3.4.25 Date.prototype.setMonth ( month [ , date ] )
// 20.3.4.26 Date.prototype.setSeconds ( sec [ , ms ] )
// 20.3.4.27 Date.prototype.setTime ( time )
// 20.3.4.28 Date.prototype.setUTCDate ( date )
// 20.3.4.29 Date.prototype.setUTCFullYear ( year [ , month [ , date ] ] )
// 20.3.4.30 Date.prototype.setUTCHours ( hour [ , min [ , sec [ , ms ] ] ] )
// 20.3.4.31 Date.prototype.setUTCMilliseconds ( ms )
// 20.3.4.32 Date.prototype.setUTCMinutes ( min [ , sec [, ms ] ] )
// 20.3.4.33 Date.prototype.setUTCMonth ( month [ , date ] )
// 20.3.4.34 Date.prototype.setUTCSeconds ( sec [ , ms ] )
// 20.3.4.35 Date.prototype.toDateString ( )
// 20.3.4.36 Date.prototype.toISOString ( )
// 20.3.4.37 Date.prototype.toJSON ( key )
// 20.3.4.38 Date.prototype.toLocaleDateString ( [ reserved1 [ , reserved2 ] ] )
// 20.3.4.39 Date.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )
// 20.3.4.40 Date.prototype.toLocaleTimeString ( [ reserved1 [ , reserved2 ] ] )
// 20.3.4.41 Date.prototype.toString ( )
// 20.3.4.42 Date.prototype.toTimeString ( )
// 20.3.4.43 Date.prototype.toUTCString ( )
// 20.3.4.44 Date.prototype.valueOf ( )
// 20.3.4.45 Date.prototype [ @@toPrimitive ] ( hint )
// 20.3.5 Properties of Date Instances
// (No polyfillable changes from ES5)
// ---------------------------------------
// 21 Text Processing
// ---------------------------------------
var string_regexp_dispatch = (function() {
var faux = {}, secret = Symbol();
faux[Symbol.match] = function() { return secret; };
return ("").match(faux) === secret;
}());
// 21.1 String Objects
// 21.1.1 The String Constructor
// 21.1.1.1 String ( value )
// 21.1.2 Properties of the String Constructor
// 21.1.2.1 String.fromCharCode ( ...codeUnits )
// 21.1.2.2 String.fromCodePoint ( ...codePoints )
define(
String, 'fromCodePoint',
function fromCodePoint(/*...codePoints*/) {
var codePoints = arguments,
length = codePoints.length,
elements = [],
nextIndex = 0;
while (nextIndex < length) {
var next = codePoints[nextIndex];
var nextCP = Number(next);
if (!SameValue(nextCP, ToInteger(nextCP)) ||
nextCP < 0 || nextCP > 0x10FFFF) {
throw RangeError('Invalid code point ' + nextCP);
}
if (nextCP < 0x10000) {
elements.push(String.fromCharCode(nextCP));
} else {
nextCP -= 0x10000;
elements.push(String.fromCharCode((nextCP >> 10) + 0xD800));
elements.push(String.fromCharCode((nextCP % 0x400) + 0xDC00));
}
nextIndex += 1;
}
return elements.join('');
});
// 21.1.2.3 String.prototype
// 21.1.2.4 String.raw ( template , ...substitutions )
define(
String, 'raw',
function raw(template /*, ...substitutions*/) {
var substitutions = [].slice.call(arguments, 1);
var cooked = Object(template);
var rawValue = cooked['raw'];
var raw = Object(rawValue);
var len = raw['length'];
var literalSegments = ToLength(len);
if (literalSegments <= 0) return '';
var stringElements = [];
var nextIndex = 0;
while (true) {
var next = raw[nextIndex];
var nextSeg = String(next);
stringElements.push(nextSeg);
if (nextIndex + 1 === literalSegments)
return stringElements.join('');
next = substitutions[nextIndex];
var nextSub = String(next);
stringElements.push(nextSub);
nextIndex = nextIndex + 1;
}
});
// See https://githib.com/inexorabletash/uate for a more useful version.
// 21.1.3 Properties of the String Prototype Object
// 21.1.3.1 String.prototype.charAt ( pos )
// 21.1.3.2 String.prototype.charCodeAt ( pos )
// 21.1.3.3 String.prototype.codePointAt ( pos )
define(
String.prototype, 'codePointAt',
function codePointAt(pos) {
var o = strict(this);
var s = String(o);
var position = ToInteger(pos);
var size = s.length;
if (position < 0 || position >= size) return undefined;
var first = s.charCodeAt(position);
if (first < 0xD800 || first > 0xDBFF || position + 1 === size) return first;
var second = s.charCodeAt(position + 1);
if (second < 0xDC00 || second > 0xDFFF) return first;
return ((first - 0xD800) * 1024) + (second - 0xDC00) + 0x10000;
});
// 21.1.3.4 String.prototype.concat ( ...args )
// 21.1.3.5 String.prototype.constructor
// 21.1.3.6 String.prototype.endsWith ( searchString [ , endPosition] )
define(
String.prototype, 'endsWith',
function endsWith(searchString) {
var endPosition = arguments[1];
var o = strict(this);
var s = String(o);
var searchStr = String(searchString);
var len = s.length;
var pos = (endPosition === undefined) ? len : ToInteger(endPosition);
var end = min(max(pos, 0), len);
var searchLength = searchStr.length;
var start = end - searchLength;
if (start < 0) return false;
if (s.substring(start, start + searchLength) === searchStr) return true;
return false;
});
// 21.1.3.7 String.prototype.includes ( searchString [ , position ] )
define(
String.prototype, 'includes',
function includes(searchString) {
var position = arguments[1];
var o = strict(this);
var s = String(o);
var searchStr = String(searchString);
var pos = ToInteger(position);
var len = s.length;
var start = min(max(pos, 0), len);
return s.indexOf(searchStr, start) !== -1;
});
// 21.1.3.8 String.prototype.indexOf ( searchString [ , position ] )
// 21.1.3.9 String.prototype.lastIndexOf ( searchString [ , position ] )
// 21.1.3.10 String.prototype.localeCompare ( that [, reserved1 [ , reserved2 ] ] )
// 21.1.3.11 String.prototype.match ( regexp )
define(
String.prototype, 'match',
function match(regexp) {
var o = strict(this);
var s = String(o);
if (HasProperty(regexp, $$match)) var rx = regexp;
else rx = new RegExp(regexp);
return rx[$$match](s);
}, !string_regexp_dispatch);
// 21.1.3.12 String.prototype.normalize ( [ form ] )
// Not practical due to table sizes; if needed, pull in:
// https://github.com/walling/unorm/
// 21.1.3.13 String.prototype.repeat ( count )
define(
String.prototype, 'repeat',
function repeat(count) {
var o = strict(this);
var s = String(o);
var n = ToInteger(count);
if (n < 0) throw RangeError();
if (n === Infinity) throw RangeError();
var t = new Array(n + 1).join(s);
return t;
});
// 21.1.3.14 String.prototype.replace (searchValue, replaceValue )
define(
String.prototype, 'replace',
function replace(searchValue, replaceValue) {
var o = strict(this);
if (HasProperty(searchValue, $$replace))
return searchValue[$$replace](o, replaceValue);
return orig_replace.call(o, searchValue, replaceValue);
}, !string_regexp_dispatch);
// 21.1.3.15 String.prototype.search ( regexp )
define(
String.prototype, 'search',
function search(regexp) {
var o = strict(this);
var string = String(o);
if (HasProperty(regexp, $$search)) var rx = regexp;
else rx = new RegExp(regexp);
return rx[$$search](string);
}, !string_regexp_dispatch);
// 21.1.3.16 String.prototype.slice ( start, end )
// 21.1.3.17 String.prototype.split ( separator, limit )
define(
String.prototype, 'split',
function split(separator, limit) {
var o = strict(this);
if (HasProperty(separator, $$split))
return separator[$$split](o, limit);
return orig_split.call(o, separator, limit);
}, !string_regexp_dispatch);
// 21.1.3.18 String.prototype.startsWith ( searchString [, position ] )
define(
String.prototype, 'startsWith',
function startsWith(searchString) {
var position = arguments[1];
var o = strict(this);
var s = String(o);
var searchStr = String(searchString);
var pos = ToInteger(position);
var len = s.length;
var start = min(max(pos, 0), len);
var searchLength = searchStr.length;
if (searchLength + start > len) return false;
if (s.substring(start, start + searchLength) === searchStr) return true;
return false;
});
// 21.1.3.19 String.prototype.substring ( start, end )
// 21.1.3.20 String.prototype.toLocaleLowerCase ( [ reserved1 [ , reserved2 ] ] )
// 21.1.3.21 String.prototype.toLocaleUpperCase ([ reserved1 [ , reserved2 ] ] )
// 21.1.3.22 String.prototype.toLowerCase ( )
// 21.1.3.23 String.prototype.toString ( )
// 21.1.3.24 String.prototype.toUpperCase ( )
// 21.1.3.25 String.prototype.trim ( )
// 21.1.3.26 String.prototype.valueOf ( )
// 21.1.3.27 String.prototype [ @@iterator ]( )
define(
String.prototype, $$iterator,
function entries() {
return CreateStringIterator(this, 'value');
});
// 21.1.4 Properties of String Instances
// 21.1.4.1 length
// 21.1.5 String Iterator Objects
/** @constructor */
function StringIterator() {}
// 21.1.5.1 CreateStringIterator Abstract Operation
function CreateStringIterator(string, kind) {
var s = String(string);
var iterator = new StringIterator;
set_internal(iterator, '[[IteratedString]]', s);
set_internal(iterator, '[[StringIteratorNextIndex]]', 0);
set_internal(iterator, '[[StringIterationKind]]', kind);
return iterator;
}
// 21.1.5.2 The %StringIteratorPrototype% Object
var $StringIteratorPrototype$ = Object.create($IteratorPrototype$);
StringIterator.prototype = $StringIteratorPrototype$;
// 21.1.5.2.1 %StringIteratorPrototype%.next ( )
define(
$StringIteratorPrototype$, 'next',
function next() {
var o = ToObject(this);
var s = String(o['[[IteratedString]]']),
index = o['[[StringIteratorNextIndex]]'],
len = s.length;
if (index >= len) {
set_internal(o, '[[StringIteratorNextIndex]]', Infinity);
return CreateIterResultObject(undefined, true);
}
var cp = s.codePointAt(index);
set_internal(o, '[[StringIteratorNextIndex]]', index + (cp > 0xFFFF ? 2 : 1));
return CreateIterResultObject(String.fromCodePoint(cp), false);
});
// 21.1.5.2.2 %StringIteratorPrototype% [ @@toStringTag ]
define($StringIteratorPrototype$, $$toStringTag, 'String Iterator');
// 21.1.5.3 Properties of String Iterator Instances
// ---------------------------------------
// 21.2 RegExp (Regular Expression) Objects
// ---------------------------------------
// 21.2.1 Patterns
// 21.2.2 Pattern Semantics
// 21.2.2.1 Notation
// 21.2.2.2 Pattern
// 21.2.2.3 Disjunction
// 21.2.2.4 Alternative
// 21.2.2.5 Term
// 21.2.2.6 Assertion
// 21.2.2.7 Quantifier
// 21.2.2.8 Atom
// 21.2.2.9 AtomEscape
// 21.2.2.10 CharacterEscape
// 21.2.2.11 DecimalEscape
// 21.2.2.12 CharacterClassEscape
// 21.2.2.13 CharacterClass
// 21.2.2.14 ClassRanges
// 21.2.2.15 NonemptyClassRanges
// 21.2.2.16 NonemptyClassRangesNoDash
// 21.2.2.17 ClassAtom
// 21.2.2.18 ClassAtomNoDash
// 21.2.2.19 ClassEscape
// 21.2.3 The RegExp Constructor
// 21.2.3.1 RegExp ( pattern, flags )
// 21.2.3.2 new RegExp( ...argumentsList )
// 21.2.3.3 Abstract Operations for the RegExp Constructor
// 21.2.4 Properties of the RegExp Constructor
// 21.2.4.1 RegExp.prototype
// 21.2.5 Properties of the RegExp Prototype Object
// 21.2.5.1 RegExp.prototype.constructor
// 21.2.5.2 RegExp.prototype.exec ( string )
// 21.2.5.3 get RegExp.prototype.flags
if (!('flags' in RegExp.prototype)) {
Object.defineProperty(
RegExp.prototype, 'flags', {
get: function() {
var s = String(this);
return s.substring(s.lastIndexOf('/') + 1);
}
});
}
// 21.2.5.4 get RegExp.prototype.global
// 21.2.5.5 get RegExp.prototype.ignoreCase
// 21.2.5.6 RegExp.prototype [ @@match ] ( string )
define(RegExp.prototype, $$match, function(string) {
var o = strict(this);
return orig_match.call(string, o);
});
// 21.2.5.7 get RegExp.prototype.multiline
// 21.2.5.8 RegExp.prototype [ @@replace ] ( string, replaceValue )
define(RegExp.prototype, $$replace, function(string, replaceValue) {
var o = strict(this);
return orig_replace.call(string, o, replaceValue);
});
// 21.2.5.9 RegExp.prototype [ @@search ] ( string )
define(RegExp.prototype, $$search, function(string) {
var o = strict(this);
return orig_search.call(string, o);
});
// 21.2.5.10 get RegExp.prototype.source
// 21.2.5.11 RegExp.prototype [ @@split ] ( string, limit )
define(RegExp.prototype, $$split, function(string, limit) {
var o = strict(this);
return orig_split.call(string, o, limit);
});
// 21.2.5.12 get RegExp.prototype.sticky
// 21.2.5.13 RegExp.prototype.test( S )
// 21.2.5.14 RegExp.prototype.toString ( )
// 21.2.5.15 get RegExp.prototype.unicode
// 21.2.6 Properties of RegExp Instances
// 21.2.6.1 lastIndex
// (No polyfillable changes from ES5)
// ---------------------------------------
// 22 Indexed Collections
// ---------------------------------------
// ---------------------------------------
// 22.1 Array Objects
// ---------------------------------------
// 22.1.1 The Array Constructor
// 22.1.1.1 Array ( )
// 22.1.1.2 Array (len)
// 22.1.1.3 Array (...items )
// 22.1.2 Properties of the Array Constructor
// 22.1.2.1 Array.from ( items [ , mapfn [ , thisArg ] ] )
define(
Array, 'from',
function from(items) {
var mapfn = arguments[1];
var thisArg = arguments[2];
var c = strict(this);
if (mapfn === undefined) {
var mapping = false;
} else {
if (!IsCallable(mapfn)) throw TypeError();
var t = thisArg;
mapping = true;
}
var usingIterator = GetMethod(items, $$iterator);
if (usingIterator !== undefined) {
if (IsConstructor(c)) {
var a = new c();
} else {
a = new Array(0);
}
var iterator = GetIterator(items, usingIterator);
var k = 0;
while (true) {
var next = IteratorStep(iterator);
if (next === false) {
a.length = k;
return a;
}
var nextValue = IteratorValue(next);
if (mapping)
var mappedValue = mapfn.call(t, nextValue);
else
mappedValue = nextValue;
a[k] = mappedValue;
k += 1;
}
}
var arrayLike = ToObject(items);
var lenValue = arrayLike.length;
var len = ToLength(lenValue);
if (IsConstructor(c)) {
a = new c(len);
} else {
a = new Array(len);
}
k = 0;
while (k < len) {
var kValue = arrayLike[k];
if (mapping)
mappedValue = mapfn.call(t, kValue, k);
else
mappedValue = kValue;
a[k] = mappedValue;
k += 1;
}
a.length = len;
return a;
});
// 22.1.2.2 Array.isArray ( arg )
// 22.1.2.3 Array.of ( ...items )
define(
Array, 'of',
function of() {
var items = arguments;
var lenValue = items.length;
var len = ToUint32(lenValue);
var c = strict(this), a;
if (IsConstructor(c)) {
a = new c(len);
a = ToObject(a);
} else {
a = new Array(len);
}
var k = 0;
while (k < len) {
a[k] = items[k];
k += 1;
}
a.length = len;
return a;
});
// 22.1.2.4 Array.prototype
// 22.1.2.5 get Array [ @@species ]
// 22.1.3 Properties of the Array Prototype Object
// 22.1.3.1 Array.prototype.concat ( ...arguments )
// 22.1.3.1.1 Runtime Semantics: IsConcatSpreadable ( O )
// 22.1.3.2 Array.prototype.constructor
// 22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] )
define(
Array.prototype, 'copyWithin',
function copyWithin(target, start/*, end*/) {
var end = arguments[2];
var o = ToObject(this);
var lenVal = o.length;
var len = ToLength(lenVal);
len = max(len, 0);
var relativeTarget = ToInteger(target);
var to;
if (relativeTarget < 0)
to = max(len + relativeTarget, 0);
else
to = min(relativeTarget, len);
var relativeStart = ToInteger(start);
var from;
if (relativeStart < 0)
from = max(len + relativeStart, 0);
else
from = min(relativeStart, len);
var relativeEnd;
if (end === undefined)
relativeEnd = len;
else
relativeEnd = ToInteger(end);
var final;
if (relativeEnd < 0)
final = max(len + relativeEnd, 0);
else
final = min(relativeEnd, len);
var count = min(final - from, len - to);
var direction;
if (from < to && to < from + count) {
direction = -1;
from = from + count - 1;
to = to + count - 1;
} else {
direction = 1;
}
while (count > 0) {
var fromKey = String(from);
var toKey = String(to);
var fromPresent = HasProperty(o, fromKey);
if (fromPresent) {
var fromVal = o[fromKey];
o[toKey] = fromVal;
} else {
delete o[toKey];
}
from = from + direction;
to = to + direction;
count = count - 1;
}
return o;
});
// 22.1.3.4 Array.prototype.entries ( )
var nativeArrayIteratorMethods =
('entries' in Array.prototype && 'next' in [].entries());
define(
Array.prototype, 'entries',
function entries() {
return CreateArrayIterator(this, 'key+value');
}, !nativeArrayIteratorMethods);
// 22.1.3.5 Array.prototype.every ( callbackfn [ , thisArg] )
// 22.1.3.6 Array.prototype.fill (value [ , start [ , end ] ] )
define(
Array.prototype, 'fill',
function fill(value/*, start, end*/) {
var start = arguments[1],
end = arguments[2];
var o = ToObject(this);
var lenVal = o.length;
var len = ToLength(lenVal);
len = max(len, 0);
var relativeStart = ToInteger(start);
var k;
if (relativeStart < 0)
k = max((len + relativeStart), 0);
else
k = min(relativeStart, len);
var relativeEnd;
if (end === undefined)
relativeEnd = len;
else
relativeEnd = ToInteger(end);
var final;
if (relativeEnd < 0)
final = max((len + relativeEnd), 0);
else
final = min(relativeEnd, len);
while (k < final) {
var pk = String(k);
o[pk] = value;
k += 1;
}
return o;
});
// 22.1.3.7 Array.prototype.filter ( callbackfn [ , thisArg ] )
// 22.1.3.8 Array.prototype.find ( predicate [ , thisArg ] )
define(
Array.prototype, 'find',
function find(predicate) {
var o = ToObject(this);
var lenValue = o.length;
var len = ToInteger(lenValue);
if (!IsCallable(predicate)) throw TypeError();
var t = arguments.length > 1 ? arguments[1] : undefined;
var k = 0;
while (k < len) {
var pk = String(k);
var kPresent = HasProperty(o, pk);
if (kPresent) {
var kValue = o[pk];
var testResult = predicate.call(t, kValue, k, o);
if (Boolean(testResult)) {
return kValue;
}
}
++k;
}
return undefined;
});
// 22.1.3.9 Array.prototype.findIndex ( predicate [ , thisArg ] )
define(
Array.prototype, 'findIndex',
function findIndex(predicate) {
var o = ToObject(this);
var lenValue = o.length;
var len = ToLength(lenValue);
if (!IsCallable(predicate)) throw TypeError();
var t = arguments.length > 1 ? arguments[1] : undefined;
var k = 0;
while (k < len) {
var pk = String(k);
var kPresent = HasProperty(o, pk);
if (kPresent) {
var kValue = o[pk];
var testResult = predicate.call(t, kValue, k, o);
if (Boolean(testResult)) {
return k;
}
}
++k;
}
return -1;
});
// 22.1.3.10 Array.prototype.forEach ( callbackfn [ , thisArg ] )
// 22.1.3.11 Array.prototype.indexOf ( searchElement [ , fromIndex ] )
// 22.1.3.12 Array.prototype.join (separator)
// 22.1.3.13 Array.prototype.keys ( )
define(
Array.prototype, 'keys',
function keys() {
return CreateArrayIterator(this, 'key');
}, !nativeArrayIteratorMethods);
// 22.1.3.14 Array.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
// 22.1.3.15 Array.prototype.map ( callbackfn [ , thisArg ] )
// 22.1.3.16 Array.prototype.pop ( )
// 22.1.3.17 Array.prototype.push ( ...items )
// 22.1.3.18 Array.prototype.reduce ( callbackfn [ , initialValue ] )
// 22.1.3.19 Array.prototype.reduceRight ( callbackfn [ , initialValue ] )
// 22.1.3.20 Array.prototype.reverse ( )
// 22.1.3.21 Array.prototype.shift ( )
// 22.1.3.22 Array.prototype.slice (start, end)
// 22.1.3.23 Array.prototype.some ( callbackfn [ , thisArg ] )
// 22.1.3.24 Array.prototype.sort (comparefn)
// 22.1.3.25 Array.prototype.splice (start, deleteCount , ...items )
// 22.1.3.26 Array.prototype.toLocaleString ( [ reserved1 [ , reserved2 ] ] )
// 22.1.3.27 Array.prototype.toString ( )
// 22.1.3.28 Array.prototype.unshift ( ...items )
// 22.1.3.29 Array.prototype.values ( )
define(
Array.prototype, 'values',
function values() {
return CreateArrayIterator(this, 'value');
}, !nativeArrayIteratorMethods);
// 22.1.3.30 Array.prototype [ @@iterator ] ( )
define(
Array.prototype, $$iterator,
Array.prototype.values
);
// 22.1.3.31 Array.prototype [ @@unscopables ]
// 22.1.4 Properties of Array Instances
// 22.1.4.1 length
// 22.1.5 Array Iterator Objects
function ArrayIterator() {}
// 22.1.5.1 CreateArrayIterator Abstract Operation
function CreateArrayIterator(array, kind) {
var o = ToObject(array);
var iterator = new ArrayIterator;
set_internal(iterator, '[[IteratedObject]]', o);
set_internal(iterator, '[[ArrayIteratorNextIndex]]', 0);
set_internal(iterator, '[[ArrayIterationKind]]', kind);
return iterator;
}
// 22.1.5.2 The %ArrayIteratorPrototype% Object
var $ArrayIteratorPrototype$ = Object.create($IteratorPrototype$);
ArrayIterator.prototype = $ArrayIteratorPrototype$;
// 22.1.5.2.1 %ArrayIteratorPrototype%. next( )
define(
$ArrayIteratorPrototype$, 'next',
function next() {
var o = strict(this);
if (Type(o) !== 'object') throw TypeError();
var a = o['[[IteratedObject]]'],
index = o['[[ArrayIteratorNextIndex]]'],
itemKind = o['[[ArrayIterationKind]]'],
lenValue = a.length,
len = ToUint32(lenValue),
elementKey,
elementValue;
if (itemKind.indexOf('sparse') !== -1) {
var found = false;
while (!found && index < len) {
elementKey = String(index);
found = HasProperty(a, elementKey);
if (!found) {
index += 1;
}
}
}
if (index >= len) {
set_internal(o, '[[ArrayIteratorNextIndex]]', Infinity);
return CreateIterResultObject(undefined, true);
}
elementKey = index;
set_internal(o, '[[ArrayIteratorNextIndex]]', index + 1);
if (itemKind.indexOf('value') !== -1)
elementValue = a[elementKey];
if (itemKind.indexOf('key+value') !== -1)
return CreateIterResultObject([elementKey, elementValue], false);
if (itemKind.indexOf('key') !== -1)
return CreateIterResultObject(elementKey, false);
if (itemKind === 'value')
return CreateIterResultObject(elementValue, false);
throw Error('Internal error');
});
// 22.1.5.2.2 %ArrayIteratorPrototype% [ @@toStringTag ]
define($ArrayIteratorPrototype$, $$toStringTag, 'Array Iterator');
// 22.1.5.3 Properties of Array Iterator Instances
// ---------------------------------------
// 22.2 TypedArray Objects
// ---------------------------------------
// See typedarray.js for TypedArray polyfill
['Int8Array', 'Uint8Array', 'Uint8ClampedArray',
'Int16Array', 'Uint16Array',
'Int32Array', 'Uint32Array',
'Float32Array', 'Float64Array'].forEach(function ($TypedArrayName$) {
if (!($TypedArrayName$ in global))
return;
var $TypedArray$ = global[$TypedArrayName$];
// 22.2.1 The %TypedArray% Intrinsic Object
// 22.2.1.1 %TypedArray% ( length )
// 22.2.1.2 %TypedArray% ( typedArray )
// 22.2.1.3 %TypedArray% ( object )
// 22.2.1.4 %TypedArray% ( buffer [ , byteOffset [ , length ] ] )
// 22.2.1.5 %TypedArray% ( all other argument combinations )
// 22.2.2 Properties of the %TypedArray% Intrinsic Object
// 22.2.2.1 %TypedArray%.from ( source [ , mapfn [ , thisArg ] ] )
define(
$TypedArray$, 'from',
function from(source) {
var mapfn = arguments[1];
var thisArg = arguments[2];
var c = strict(this);
if (!IsConstructor(c)) throw TypeError();
if (mapfn === undefined) {
var mapping = false;
} else {
if (IsCallable(mapfn)) throw TypeError();
var t = thisArg;
mapping = true;
}
var usingIterator = GetMethod(source, $$iterator);
if (usingIterator !== undefined) {
var iterator = GetIterator(source, usingIterator);
var values = [];
var next = true;
while (next !== false) {
next = IteratorStep(iterator);
if (next !== false) {
var nextValue = IteratorValue(next);
values.push(nextValue);
}
}
var len = values.length;
var newObj = new c(len);
var k = 0;
while (k < len) {
var kValue = values.shift();
if (mapping) {
var mappedValue = mapfn.call(t, kValue);
} else {
mappedValue = kValue;
}
newObj[k] = mappedValue;
++k;
}
console.assert(values.length === 0);
return newObj;
}
var arrayLike = ToObject(source);
var lenValue = arrayLike.length;
len = ToLength(lenValue);
newObj = new c(len);
k = 0;
while (k < len) {
kValue = arrayLike[k];
if (mapping) {
mappedValue = mapfn.call(t, kValue, k);
} else {
mappedValue = kValue;
}
newObj[k] = mappedValue;
++k;
}
return newObj;
});
// 22.2.2.2 %TypedArray%.of ( ...items )
define(
$TypedArray$, 'of',
function of() {
var items = arguments;
var len = items.length;
var c = strict(this);
var newObj = new c(len);
var k = 0;
while (k < len) {
newObj[k] = items[k];
++k;
}
return newObj;
});
// 22.2.2.3 %TypedArray%.prototype
// 22.2.2.4 get %TypedArray% [ @@species ]
// 22.2.3 Properties of the %TypedArrayPrototype% Object
// 22.2.3.1 get %TypedArray%.prototype.buffer
// 22.2.3.2 get %TypedArray%.prototype.byteLength
// 22.2.3.3 get %TypedArray%.prototype.byteOffset
// 22.2.3.4 %TypedArray%.prototype.constructor
// 22.2.3.5 %TypedArray%.prototype.copyWithin (target, start [, end ] )
define($TypedArray$.prototype, 'copyWithin', Array.prototype.copyWithin);
// 22.2.3.6 %TypedArray%.prototype.entries ( )
define($TypedArray$.prototype, 'entries', Array.prototype.entries);
// 22.2.3.7 %TypedArray%.prototype.every ( callbackfn [ , thisArg ] )
define($TypedArray$.prototype, 'every', Array.prototype.every);
// 22.2.3.8 %TypedArray%.prototype.fill (value [ , start [ , end ] ] )
define(
$TypedArray$.prototype, 'fill',
//Array.prototype.fill // Doesn't work in Safari 7
function fill(value/*, start, end*/) {
var start = arguments[1],
end = arguments[2];
var o = ToObject(this);
var lenVal = o.length;
var len = ToLength(lenVal);
len = max(len, 0);
var relativeStart = ToInteger(start);
var k;
if (relativeStart < 0) k = max((len + relativeStart), 0);
else k = min(relativeStart, len);
var relativeEnd;
if (end === undefined) relativeEnd = len;
else relativeEnd = ToInteger(end);
var final;
if (relativeEnd < 0) final = max((len + relativeEnd), 0);
else final = min(relativeEnd, len);
while (k < final) {
var pk = String(k);
o[pk] = value;
k += 1;
}
return o;
});
// 22.2.3.9 %TypedArray%.prototype.filter ( callbackfn [ , thisArg ] )
define(
$TypedArray$.prototype, 'filter',
function filter(callbackfn) {
var thisArg = arguments[1];
var o = ToObject(this);
var lenVal = o.length;
var len = ToLength(lenVal);
if (!IsCallable(callbackfn)) throw TypeError();
var t = thisArg;
var c = o.constructor;
var kept = [];
var k = 0;
var captured = 0;
while (k < len) {
var kValue = o[k];
var selected = callbackfn.call(t, kValue, k, o);
if (selected) {
kept.push(kValue);
++captured;
}
++k;
}
var a = new c(captured);
var n = 0;
for (var i = 0; i < kept.length; ++i) {
var e = kept[i];
a[n] = e;
++n;
}
return a;
});
// 22.2.3.10 %TypedArray%.prototype.find (predicate [ , thisArg ] )
define($TypedArray$.prototype, 'find', Array.prototype.find);
// 22.2.3.11 %TypedArray%.prototype.findIndex ( predicate [ , thisArg ] )
define($TypedArray$.prototype, 'findIndex', Array.prototype.findIndex);
// 22.2.3.12 %TypedArray%.prototype.forEach ( callbackfn [ , thisArg ] )
define($TypedArray$.prototype, 'forEach', Array.prototype.forEach);
// 22.2.3.13 %TypedArray%.prototype.indexOf (searchElement [ , fromIndex ] )
define($TypedArray$.prototype, 'indexOf', Array.prototype.indexOf);
// 22.2.3.14 %TypedArray%.prototype.join ( separator )
define($TypedArray$.prototype, 'join', Array.prototype.join);
// 22.2.3.15 %TypedArray%.prototype.keys ( )
define($TypedArray$.prototype, 'keys', Array.prototype.keys);
// 22.2.3.16 %TypedArray%.prototype.lastIndexOf ( searchElement [ , fromIndex ] )
define($TypedArray$.prototype, 'lastIndexOf', Array.prototype.lastIndexOf);
// 22.2.3.17 get %TypedArray%.prototype.length
// 22.2.3.18 %TypedArray%.prototype.map ( callbackfn [ , thisArg ] )
define(
$TypedArray$.prototype, 'map',
function map(callbackfn) {
var thisArg = arguments[1];
var o = ToObject(this);
var lenValue = o.length;
var len = ToLength(lenValue);
if (!IsCallable(callbackfn)) throw TypeError();
var t = thisArg;
var a = undefined;
var c = o.constructor;
if (IsConstructor(c))
a = new c(len);
if (a === undefined)
a = new Array(len);
var k = 0;
while (k < len) {
var kPresent = HasProperty(o, k);
if (kPresent) {
var kValue = o[k];
var mappedValue = callbackfn.call(t, kValue, k, o);
a[k] = mappedValue;
}
++k;
}
return a;
});
// 22.2.3.19 %TypedArray%.prototype.reduce ( callbackfn [, initialValue] )
define($TypedArray$.prototype, 'reduce', Array.prototype.reduce);
// 22.2.3.20 %TypedArray%.prototype.reduceRight ( callbackfn [, initialValue] )
define($TypedArray$.prototype, 'reduceRight', Array.prototype.reduceRight);
// 22.2.3.21 %TypedArray%.prototype.reverse ( )
define($TypedArray$.prototype, 'reverse', Array.prototype.reverse);
// 22.2.3.22 %TypedArray%.prototype.set ( overloaded [ , offset ])
// 22.2.3.22.1 %TypedArray%.prototype.set (array [ , offset ] )
// 22.2.3.22.2 %TypedArray%.prototype.set(typedArray [, offset ] )
// 22.2.3.23 %TypedArray%.prototype.slice ( start, end )
define(
$TypedArray$.prototype, 'slice',
function slice(start, end) {
var o = ToObject(this);
var lenVal = o.length;
var len = ToLength(lenVal);
var relativeStart = ToInteger(start);
var k = (relativeStart < 0) ? max(len + relativeStart, 0) : min(relativeStart, len);
var relativeEnd = (end === undefined) ? len : ToInteger(end);
var final = (relativeEnd < 0) ? max(len + relativeEnd, 0) : min(relativeEnd, len);
var count = final - k;
var c = o.constructor;
if (IsConstructor(c)) {
var a = new c(count);
} else {
throw TypeError();
}
var n = 0;
while (k < final) {
var kValue = o[k];
a[n] = kValue;
++k;
++n;
}
return a;
});
// 22.2.3.24 %TypedArray%.prototype.some ( callbackfn [ , thisArg ] )
define($TypedArray$.prototype, 'some', Array.prototype.some);
// 22.2.3.25 %TypedArray%.prototype.sort ( comparefn )
define(
$TypedArray$.prototype, 'sort',
function sort() {
var comparefn = arguments[0];
function sortCompare(x, y) {
console.assert(Type(x) === 'number' && Type(y) === 'number');
if (x !== x && y !== y) return +0;
if (x !== x) return 1;
if (y !== y) return -1;
if (comparefn !== undefined) {
return comparefn(x, y);
}
if (x < y) return -1;
if (x > y) return 1;
return +0;
}
return Array.prototype.sort.call(this, sortCompare);
});
// 22.2.3.26 %TypedArray%.prototype.subarray( [ begin [ , end ] ] )
// 22.2.3.27 %TypedArray%.prototype.toLocaleString ([ reserved1 [ , reserved2 ] ])
// 22.2.3.28 %TypedArray%.prototype.toString ( )
// 22.2.3.29 %TypedArray%.prototype.values ( )
define($TypedArray$.prototype, 'values', Array.prototype.values);
// 22.2.3.30 %TypedArray%.prototype [ @@iterator ] ( )
define(
$TypedArray$.prototype, $$iterator,
$TypedArray$.prototype.values
);
// 22.2.3.31 get %TypedArray%.prototype [ @@toStringTag ]
define($TypedArray$.prototype, $$toStringTag, $TypedArrayName$);
// 22.2.4 The TypedArray Constructors
// 22.2.4.1TypedArray( ... argumentsList)
// 22.2.5 Properties of the TypedArray Constructors
// 22.2.5.1 TypedArray.BYTES_PER_ELEMENT
// 22.2.5.2 TypedArray.prototype
// 22.2.6 Properties of TypedArray Prototype Objects
// 22.2.6.1 TypedArray.prototype.BYTES_PER_ELEMENT
// 22.2.6.2 TypedArray.prototype.constructor
// 22.2.7 Properties of TypedArray Instances
});
// ---------------------------------------
// 23 Keyed Collection
// ---------------------------------------
// ---------------------------------------
// 23.1 Map Objects
// ---------------------------------------
(function() {
// 23.1.1 The Map Constructor
// 23.1.1.1 Map ( [ iterable ] )
/** @constructor */
function Map(/*iterable*/) {
var map = strict(this);
var iterable = arguments[0];
if (Type(map) !== 'object') throw TypeError();
if ('[[MapData]]' in map) throw TypeError();
if (iterable !== undefined) {
var adder = map['set'];
if (!IsCallable(adder)) throw TypeError();
var iter = GetIterator(ToObject(iterable));
}
set_internal(map, '[[MapData]]', { keys: [], values: [] });
if (iter === undefined) return map;
while (true) {
var next = IteratorStep(iter);
if (next === false)
return map;
var nextItem = IteratorValue(next);
if (Type(nextItem) !== 'object') throw TypeError();
var k = nextItem[0];
var v = nextItem[1];
adder.call(map, k, v);
}
return map;
}
if (!('Map' in global) || OVERRIDE_NATIVE_FOR_TESTING ||
(function() { try { new global.Map([]); return false; } catch (_) { return true; } }()) ||
(function() { try { return !new global.Map().entries().next; } catch (_) { return true; } }()) ||
(new global.Map([['a', 1]]).size !== 1))
global.Map = Map;
function MapDataIndexOf(mapData, key) {
var i;
if (key === key) return mapData.keys.indexOf(key);
// Slow case for NaN
for (i = 0; i < mapData.keys.length; i += 1)
if (SameValueZero(mapData.keys[i], key)) return i;
return -1;
}
// 23.1.1.2 new Map ( ... argumentsList )
// 23.1.2 Properties of the Map Constructor
// 23.1.2.1 Map.prototype
var $MapPrototype$ = {};
Map.prototype = $MapPrototype$;
// 23.1.2.2 get Map [ @@species ]
// 23.1.3 Properties of the Map Prototype Object
// 23.1.3.1 Map.prototype.clear ()
define(
Map.prototype, 'clear',
function clear() {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
if (!('[[MapData]]' in m)) throw TypeError();
if (m['[[MapData]]'] === undefined) throw TypeError();
var entries = m['[[MapData]]'];
entries.keys.length = 0;
entries.values.length = 0;
return undefined;
});
// 23.1.3.2 Map.prototype.constructor
// 23.1.3.3 Map.prototype.delete ( key )
define(
Map.prototype, 'delete',
function delete_(key) {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
if (!('[[MapData]]' in m)) throw TypeError();
if (m['[[MapData]]'] === undefined) throw TypeError();
var entries = m['[[MapData]]'];
var i = MapDataIndexOf(entries, key);
if (i < 0) return false;
entries.keys[i] = empty;
entries.values[i] = empty;
return true;
});
// 23.1.3.4 Map.prototype.entries ( )
define(
Map.prototype, 'entries',
function entries() {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
return CreateMapIterator(m, 'key+value');
});
// 23.1.3.5 Map.prototype.forEach ( callbackfn [ , thisArg ] )
define(
Map.prototype, 'forEach',
function forEach(callbackfn /*, thisArg*/) {
var thisArg = arguments[1];
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
if (!('[[MapData]]' in m)) throw TypeError();
if (m['[[MapData]]'] === undefined) throw TypeError();
var entries = m['[[MapData]]'];
if (!IsCallable(callbackfn)) {
throw TypeError('First argument to forEach is not callable.');
}
for (var i = 0; i < entries.keys.length; ++i) {
if (entries.keys[i] !== empty) {
callbackfn.call(thisArg, entries.values[i], entries.keys[i], m);
}
}
return undefined;
});
// 23.1.3.6 Map.prototype.get ( key )
define(
Map.prototype, 'get',
function get(key) {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
if (!('[[MapData]]' in m)) throw TypeError();
if (m['[[MapData]]'] === undefined) throw TypeError();
var entries = m['[[MapData]]'];
var i = MapDataIndexOf(entries, key);
if (i >= 0) return entries.values[i];
return undefined;
});
// 23.1.3.7 Map.prototype.has ( key )
define(
Map.prototype, 'has',
function has(key) {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
if (!('[[MapData]]' in m)) throw TypeError();
if (m['[[MapData]]'] === undefined) throw TypeError();
var entries = m['[[MapData]]'];
if (MapDataIndexOf(entries, key) >= 0) return true;
return false;
});
// 23.1.3.8 Map.prototype.keys ( )
define(
Map.prototype, 'keys',
function keys() {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
return CreateMapIterator(m, 'key');
});
// 23.1.3.9 Map.prototype.set ( key , value )
define(
Map.prototype, 'set',
function set(key, value) {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
if (!('[[MapData]]' in m)) throw TypeError();
if (m['[[MapData]]'] === undefined) throw TypeError();
var entries = m['[[MapData]]'];
var i = MapDataIndexOf(entries, key);
if (i < 0) i = entries.keys.length;
if (SameValue(key, -0)) key = 0;
entries.keys[i] = key;
entries.values[i] = value;
return m;
});
// 23.1.3.10 get Map.prototype.size
Object.defineProperty(
Map.prototype, 'size', {
get: function() {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
if (!('[[MapData]]' in m)) throw TypeError();
if (m['[[MapData]]'] === undefined) throw TypeError();
var entries = m['[[MapData]]'];
var count = 0;
for (var i = 0; i < entries.keys.length; ++i) {
if (entries.keys[i] !== empty)
count = count + 1;
}
return count;
}
});
// 23.1.3.11 Map.prototype.values ( )
define(
Map.prototype, 'values',
function values() {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
return CreateMapIterator(m, 'value');
});
// 23.1.3.12 Map.prototype [ @@iterator ]( )
define(
Map.prototype, $$iterator,
function() {
var m = strict(this);
if (Type(m) !== 'object') throw TypeError();
return CreateMapIterator(m, 'key+value');
});
// 23.1.3.13 Map.prototype [ @@toStringTag ]
define(global.Map.prototype, $$toStringTag, 'Map');
// 23.1.4 Properties of Map Instances
// 23.1.5 Map Iterator Objects
/** @constructor */
function MapIterator() {}
// 23.1.5.1 CreateMapIterator Abstract Operation
function CreateMapIterator(map, kind) {
if (Type(map) !== 'object') throw TypeError();
if (!('[[MapData]]' in map)) throw TypeError();
if (map['[[MapData]]'] === undefined) throw TypeError();
var iterator = new MapIterator;
set_internal(iterator, '[[Map]]', map);
set_internal(iterator, '[[MapNextIndex]]', 0);
set_internal(iterator, '[[MapIterationKind]]', kind);
return iterator;
}
// 23.1.5.2 The %MapIteratorPrototype% Object
var $MapIteratorPrototype$ = Object.create($IteratorPrototype$);
MapIterator.prototype = $MapIteratorPrototype$;
// 23.1.5.2.1 %MapIteratorPrototype%.next ( )
define(
$MapIteratorPrototype$, 'next',
function next() {
var o = strict(this);
if (Type(o) !== 'object') throw TypeError();
var m = o['[[Map]]'],
index = o['[[MapNextIndex]]'],
itemKind = o['[[MapIterationKind]]'],
entries = m['[[MapData]]'];
while (index < entries.keys.length) {
var e = {key: entries.keys[index], value: entries.values[index]};
index = index += 1;
set_internal(o, '[[MapNextIndex]]', index);
if (e.key !== empty) {
if (itemKind === 'key') {
return CreateIterResultObject(e.key, false);
} else if (itemKind === 'value') {
return CreateIterResultObject(e.value, false);
} else {
return CreateIterResultObject([e.key, e.value], false);
}
}
}
return CreateIterResultObject(undefined, true);
});
// 23.1.5.2.2 %MapIteratorPrototype% [ @@toStringTag ]
define($MapIteratorPrototype$, $$toStringTag, 'Map Iterator');
// 23.1.5.3 Properties of Map Iterator Instances
}());
// ---------------------------------------
// 23.2 Set Objects
// ---------------------------------------
(function() {
// 23.2.1 The Set Constructor
// 23.2.1.1 Set ( [ iterable ] )
/** @constructor */
function Set(/*iterable*/) {
var set = strict(this);
var iterable = arguments[0];
if (Type(set) !== 'object') throw TypeError();
if ('[[SetData]]' in set) throw TypeError();
if (iterable !== undefined) {
var adder = set['add'];
if (!IsCallable(adder)) throw TypeError();
var iter = GetIterator(ToObject(iterable));
}
set_internal(set, '[[SetData]]', []);
if (iter === undefined) return set;
while (true) {
var next = IteratorStep(iter);
if (next === false)
return set;
var nextValue = IteratorValue(next);
adder.call(set, nextValue);
}
return set;
}
if (!('Set' in global) || OVERRIDE_NATIVE_FOR_TESTING ||
(function() { try { return !new global.Set().entries().next; } catch (_) { return true; } }()) ||
(new global.Set([1]).size !== 1))
global.Set = Set;
function SetDataIndexOf(setData, key) {
var i;
if (key === key)
return setData.indexOf(key);
// Slow case for NaN
for (i = 0; i < setData.length; i += 1)
if (SameValueZero(setData[i], key)) return i;
return -1;
}
// 23.2.1.2 new Set ( ...argumentsList )
// 23.2.2 Properties of the Set Constructor
// 23.2.2.1 Set.prototype
var $SetPrototype$ = {};
Set.prototype = $SetPrototype$;
// 23.2.2.2 get Set [ @@species ]
// 23.2.3 Properties of the Set Prototype Object
// 23.2.3.1 Set.prototype.add (value )
define(
Set.prototype, 'add',
function add(value) {
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
if (!('[[SetData]]' in s)) throw TypeError();
if (s['[[SetData]]'] === undefined) throw TypeError();
if (SameValue(value, -0)) value = 0;
var entries = s['[[SetData]]'];
var i = SetDataIndexOf(entries, value);
if (i < 0) i = s['[[SetData]]'].length;
s['[[SetData]]'][i] = value;
return s;
});
// 23.2.3.2 Set.prototype.clear ()
define(
Set.prototype, 'clear',
function clear() {
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
if (!('[[SetData]]' in s)) throw TypeError();
if (s['[[SetData]]'] === undefined) throw TypeError();
var entries = s['[[SetData]]'];
entries.length = 0;
return undefined;
});
// 23.2.3.3 Set.prototype.constructor
// 23.2.3.4 Set.prototype.delete ( value )
define(
Set.prototype, 'delete',
function delete_(value) {
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
if (!('[[SetData]]' in s)) throw TypeError();
if (s['[[SetData]]'] === undefined) throw TypeError();
var entries = s['[[SetData]]'];
var i = SetDataIndexOf(entries, value);
if (i < 0) return false;
entries[i] = empty;
return true;
});
// 23.2.3.5 Set.prototype.entries ( )
define(
Set.prototype, 'entries',
function entries() {
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
return CreateSetIterator(s, 'key+value');
});
// 23.2.3.6 Set.prototype.forEach ( callbackfn [ , thisArg ] )
define(
Set.prototype, 'forEach',
function forEach(callbackfn/*, thisArg*/) {
var thisArg = arguments[1];
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
if (!('[[SetData]]' in s)) throw TypeError();
if (s['[[SetData]]'] === undefined) throw TypeError();
var entries = s['[[SetData]]'];
if (!IsCallable(callbackfn)) {
throw TypeError('First argument to forEach is not callable.');
}
for (var i = 0; i < entries.length; ++i) {
if (entries[i] !== empty) {
callbackfn.call(thisArg, entries[i], entries[i], s);
}
}
});
// 23.2.3.7 Set.prototype.has ( value )
define(
Set.prototype, 'has',
function has(key) {
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
if (!('[[SetData]]' in s)) throw TypeError();
if (s['[[SetData]]'] === undefined) throw TypeError();
var entries = s['[[SetData]]'];
return SetDataIndexOf(entries, key) !== -1;
});
// 23.2.3.8 Set.prototype.keys ( )
// See Set.prototype.values
// 23.2.3.9 get Set.prototype.size
Object.defineProperty(
Set.prototype, 'size', {
get: function() {
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
if (!('[[SetData]]' in s)) throw TypeError();
if (s['[[SetData]]'] === undefined) throw TypeError();
var entries = s['[[SetData]]'];
var count = 0;
for (var i = 0; i < entries.length; ++i) {
if (entries[i] !== empty)
count = count + 1;
}
return count;
}
});
// 23.2.3.10 Set.prototype.values ( )
define(
Set.prototype, 'values',
function values() {
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
return CreateSetIterator(s, 'value');
});
// NOTE: function name is still 'values':
Set.prototype.keys = Set.prototype.values;
// 23.2.3.11 Set.prototype [@@iterator ] ( )
define(
Set.prototype, $$iterator,
function() {
var s = strict(this);
if (Type(s) !== 'object') throw TypeError();
return CreateSetIterator(s);
});
// 23.2.3.12 Set.prototype [ @@toStringTag ]
define(global.Set.prototype, $$toStringTag, 'Set');
// 23.2.4 Properties of Set Instances
// 23.2.5 Set Iterator Objects
/** @constructor */
function SetIterator() {}
// 23.2.5.1 CreateSetIterator Abstract Operation
function CreateSetIterator(set, kind) {
if (Type(set) !== 'object') throw TypeError();
if (!('[[SetData]]' in set)) throw TypeError();
if (set['[[SetData]]'] === undefined) throw TypeError();
var iterator = new SetIterator;
set_internal(iterator, '[[IteratedSet]]', set);
set_internal(iterator, '[[SetNextIndex]]', 0);
set_internal(iterator, '[[SetIterationKind]]', kind);
return iterator;
}
// 23.2.5.2 The %SetIteratorPrototype% Object
var $SetIteratorPrototype$ = Object.create($IteratorPrototype$);
SetIterator.prototype = $SetIteratorPrototype$;
// 23.2.5.2.1 %SetIteratorPrototype%.next( )
define(
$SetIteratorPrototype$, 'next',
function next() {
var o = strict(this);
if (Type(o) !== 'object') throw TypeError();
var s = o['[[IteratedSet]]'],
index = o['[[SetNextIndex]]'],
itemKind = o['[[SetIterationKind]]'],
entries = s['[[SetData]]'];
while (index < entries.length) {
var e = entries[index];
index = index += 1;
set_internal(o, '[[SetNextIndex]]', index);
if (e !== empty) {
if (itemKind === 'key+value')
return CreateIterResultObject([e, e], false);
return CreateIterResultObject(e, false);
}
}
return CreateIterResultObject(undefined, true);
});
// 23.2.5.2.2 %SetIteratorPrototype% [ @@toStringTag ]
define($SetIteratorPrototype$, $$toStringTag, 'Set Iterator');
// 23.2.5.3 Properties of Set Iterator Instances
}());
// ---------------------------------------
// 23.3 WeakMap Objects
// ---------------------------------------
(function() {
// 23.3.1 The WeakMap Constructor
// 23.3.1.1 WeakMap ( [ iterable ] )
/** @constructor */
function WeakMap(/*iterable*/) {
var map = strict(this);
var iterable = arguments[0];
if (Type(map) !== 'object') throw TypeError();
if ('[[WeakMapData]]' in map) throw TypeError();
if (iterable !== undefined) {
var adder = map['set'];
if (!IsCallable(adder)) throw TypeError();
var iter = GetIterator(ToObject(iterable));
}
set_internal(map, '[[WeakMapData]]', new EphemeronTable);
if (iter === undefined) return map;
while (true) {
var next = IteratorStep(iter);
if (next === false)
return map;
var nextValue = IteratorValue(next);
if (Type(nextValue) !== 'object') throw TypeError();
var k = nextValue[0];
var v = nextValue[1];
adder.call(map, k, v);
}
return map;
}
if (!('WeakMap' in global) || OVERRIDE_NATIVE_FOR_TESTING)
global.WeakMap = WeakMap;
// 23.3.2 Properties of the WeakMap Constructor
// 23.3.2.1 WeakMap.prototype
var $WeakMapPrototype$ = {};
WeakMap.prototype = $WeakMapPrototype$;
// 23.3.2.2 WeakMap[ @@create ] ( )
// 23.3.3 Properties of the WeakMap Prototype Object
// 23.3.3.1 WeakMap.prototype.constructor
// 23.3.3.2 WeakMap.prototype.delete ( key )
define(
WeakMap.prototype, 'delete',
function delete_(key) {
var M = strict(this);
if (Type(M) !== 'object') throw TypeError();
if (M['[[WeakMapData]]'] === undefined) throw TypeError();
if (Type(key) !== 'object') throw TypeError('Expected object');
return M['[[WeakMapData]]'].remove(key);
});
// 23.3.3.3 WeakMap.prototype.get ( key )
define(
WeakMap.prototype, 'get',
function get(key, defaultValue) {
var M = strict(this);
if (Type(M) !== 'object') throw TypeError();
if (M['[[WeakMapData]]'] === undefined) throw TypeError();
if (Type(key) !== 'object') throw TypeError('Expected object');
return M['[[WeakMapData]]'].get(key, defaultValue);
});
// 23.3.3.4 WeakMap.prototype.has ( key )
define(
WeakMap.prototype, 'has',
function has(key) {
var M = strict(this);
if (Type(M) !== 'object') throw TypeError();
if (M['[[WeakMapData]]'] === undefined) throw TypeError();
if (Type(key) !== 'object') throw TypeError('Expected object');
return M['[[WeakMapData]]'].has(key);
});
// 23.3.3.5 WeakMap.prototype.set ( key , value )
define(
WeakMap.prototype, 'set',
function set(key, value) {
var M = strict(this);
if (Type(M) !== 'object') throw TypeError();
if (M['[[WeakMapData]]'] === undefined) throw TypeError();
if (Type(key) !== 'object') throw TypeError('Expected object');
M['[[WeakMapData]]'].set(key, value);
return M;
});
// 23.3.3.6 WeakMap.prototype [ @@toStringTag ]
define(global.WeakMap.prototype, $$toStringTag, 'WeakMap');
// 23.3.4 Properties of WeakMap Instances
// Polyfills for incomplete native implementations:
(function() {
var wm = new global.WeakMap();
var orig = global.WeakMap.prototype.set;
define(global.WeakMap.prototype, 'set', function set() {
orig.apply(this, arguments);
return this;
}, wm.set({}, 0) !== wm);
}());
}());
// ---------------------------------------
// 23.4 WeakSet Objects
// ---------------------------------------
(function() {
// 23.4.1 The WeakSet Constructor
// 23.4.1.1 WeakSet ( [ iterable ] )
/** @constructor */
function WeakSet(/*iterable*/) {
var set = strict(this);
var iterable = arguments[0];
if (Type(set) !== 'object') throw TypeError();
if ('[[WeakSetData]]' in set) throw TypeError();
if (iterable !== undefined) {
var adder = set['add'];
if (!IsCallable(adder)) throw TypeError();
var iter = GetIterator(ToObject(iterable));
}
set_internal(set, '[[WeakSetData]]', new EphemeronTable);
if (iter === undefined) return set;
while (true) {
var next = IteratorStep(iter);
if (next === false)
return set;
var nextValue = IteratorValue(next);
adder.call(set, nextValue);
}
return set;
}
if (!('WeakSet' in global) || OVERRIDE_NATIVE_FOR_TESTING)
global.WeakSet = WeakSet;
// 23.4.2 Properties of the WeakSet Constructor
// 23.4.2.1 WeakSet.prototype
var $WeakSetPrototype$ = {};
WeakSet.prototype = $WeakSetPrototype$;
// 23.4.3 Properties of the WeakSet Prototype Object
// 23.4.3.1 WeakSet.prototype.add (value )
define(
WeakSet.prototype, 'add',
function add(value) {
var S = strict(this);
if (Type(S) !== 'object') throw TypeError();
if (S['[[WeakSetData]]'] === undefined) throw TypeError();
if (Type(value) !== 'object') throw TypeError('Expected object');
S['[[WeakSetData]]'].set(value, true);
return S;
});
// 23.4.3.2 WeakSet.prototype.constructor
// 23.4.3.3 WeakSet.prototype.delete ( value )
define(
WeakSet.prototype, 'delete',
function delete_(value) {
var S = strict(this);
if (Type(S) !== 'object') throw TypeError();
if (S['[[WeakSetData]]'] === undefined) throw TypeError();
if (Type(value) !== 'object') throw TypeError('Expected object');
return S['[[WeakSetData]]'].remove(value);
});
// 23.4.3.4 WeakSet.prototype.has ( value )
define(
WeakSet.prototype, 'has',
function has(key) {
var S = strict(this);
if (Type(S) !== 'object') throw TypeError();
if (S['[[WeakSetData]]'] === undefined) throw TypeError();
if (Type(key) !== 'object') throw TypeError('Expected object');
return S['[[WeakSetData]]'].has(key);
});
// 23.4.3.5 WeakSet.prototype [ @@toStringTag ]
define(global.WeakSet.prototype, $$toStringTag, 'WeakSet');
// 23.4.4 Properties of WeakSet Instances
// Polyfills for incomplete native implementations:
(function() {
var ws = new global.WeakSet();
var orig = global.WeakSet.prototype.add;
define(global.WeakSet.prototype, 'add', function add() {
orig.apply(this, arguments);
return this;
}, ws.add({}) !== ws);
}());
}());
// ---------------------------------------
// 24 Structured Data
// ---------------------------------------
// ---------------------------------------
// 24.1 ArrayBuffer Objects
// ---------------------------------------
// See typedarray.js for TypedArray polyfill
(function() {
if (!('ArrayBuffer' in global))
return;
// 24.1.1 Abstract Operations For ArrayBuffer Objects
// 24.1.1.1 AllocateArrayBuffer( constructor, byteLength )
// 24.1.1.2 IsDetachedBuffer( arrayBuffer )
// 24.1.1.3 DetachArrayBuffer( arrayBuffer )
// 24.1.1.4 CloneArrayBuffer( srcBuffer, srcByteOffset [, cloneConstructor] )
// 24.1.1.5 GetValueFromBuffer ( arrayBuffer, byteIndex, type, isLittleEndian )
// 24.1.1.6 SetValueInBuffer ( arrayBuffer, byteIndex, type, value, isLittleEndian )
// 24.1.2 The ArrayBuffer Constructor
// 24.1.2.1 ArrayBuffer( length )
// 24.1.3 Properties of the ArrayBuffer Constructor
// 24.1.3.1 ArrayBuffer.isView ( arg )
define(
ArrayBuffer, 'isView',
function isView(arg) {
if (Type(arg) !== 'object') return false;
if ('buffer' in arg && arg.buffer instanceof ArrayBuffer) return true;
return false;
});
// 24.1.3.2 ArrayBuffer.prototype
// 24.1.3.3 get ArrayBuffer [ @@species ]
// 24.1.4 Properties of the ArrayBuffer Prototype Object
// 24.1.4.1 get ArrayBuffer.prototype.byteLength
// 24.1.4.2 ArrayBuffer.prototype.constructor
// 24.1.4.3 ArrayBuffer.prototype.slice ( start , end)
// 24.1.4.4 ArrayBuffer.prototype [ @@toStringTag ]
define(ArrayBuffer.prototype, $$toStringTag, 'ArrayBuffer');
// 24.1.5 Properties of the ArrayBuffer Instances
}());
// ---------------------------------------
// 24.2 DataView Objects
// ---------------------------------------
// See typedarray.js for TypedArray polyfill
(function() {
if (!('DataView' in global))
return;
// 24.2.1 Abstract Operations For DataView Objects
// 24.2.1.1 GetViewValue(view, requestIndex, isLittleEndian, type)
// 24.2.1.2 SetViewValue(view, requestIndex, isLittleEndian, type, value)
// 24.2.2 The DataView Constructor
// 24.2.2.1 DataView (buffer [ , byteOffset [ , byteLength ] ] )
// 24.2.3 Properties of the DataView Constructor
// 24.2.3.1 DataView.prototype
// 24.2.4 Properties of the DataView Prototype Object
// 24.2.4.1 get DataView.prototype.buffer
// 24.2.4.2 get DataView.prototype.byteLength
// 24.2.4.3 get DataView.prototype.byteOffset
// 24.2.4.4 DataView.prototype.constructor
// 24.2.4.5 DataView.prototype.getFloat32 ( byteOffset [ , littleEndian ] )
// 24.2.4.6 DataView.prototype.getFloat64 ( byteOffset [ , littleEndian ] )
// 24.2.4.7 DataView.prototype.getInt8 ( byteOffset )
// 24.2.4.8 DataView.prototype.getInt16 ( byteOffset [ , littleEndian ] )
// 24.2.4.9 DataView.prototype.getInt32 ( byteOffset [ , littleEndian ] )
// 24.2.4.10 DataView.prototype.getUint8 ( byteOffset )
// 24.2.4.11 DataView.prototype.getUint16 ( byteOffset [ , littleEndian ] )
// 24.2.4.12 DataView.prototype.getUint32 ( byteOffset [ , littleEndian ] )
// 24.2.4.13 DataView.prototype.setFloat32 ( byteOffset, value [ , littleEndian ] )
// 24.2.4.14 DataView.prototype.setFloat64 ( byteOffset, value [ , littleEndian ] )
// 24.2.4.15 DataView.prototype.setInt8 ( byteOffset, value )
// 24.2.4.16 DataView.prototype.setInt16 ( byteOffset, value [ , littleEndian ] )
// 24.2.4.17 DataView.prototype.setInt32 ( byteOffset, value [ , littleEndian ] )
// 24.2.4.18 DataView.prototype.setUint8 ( byteOffset, value )
// 24.2.4.19 DataView.prototype.setUint16 ( byteOffset, value [ , littleEndian ] )
// 24.2.4.20 DataView.prototype.setUint32 ( byteOffset, value [ , littleEndian ] )
// 24.2.4.21 DataView.prototype[ @@toStringTag ]
define(DataView.prototype, $$toStringTag, 'DataView');
// 24.2.5 Properties of DataView Instances
}());
// ---------------------------------------
// 24.3 The JSON Object
// ---------------------------------------
// 24.3.1 JSON.parse ( text [ , reviver ] )
// 24.3.2 JSON.stringify ( value [ , replacer [ , space ] ] )
// 24.3.3 JSON [ @@toStringTag ]
define(JSON, $$toStringTag, 'JSON');
// ---------------------------------------
// 25.1 Iteration
// ---------------------------------------
// 25.1.1 Common Iteration Interfaces
// 25.1.1.1 The Iterable Interface
// 25.1.1.2 The Iterator Interface
// 25.1.1.3 The IteratorResult Interface
// 25.1.2 The %IteratorPrototype% Object
// Defined earlier, so other prototypes can reference it.
// 25.1.2.1 %IteratorPrototype% [ @@iterator ] ( )
define($IteratorPrototype$, $$iterator, function() {
return this;
});
// ---------------------------------------
// 25.4 Promise Objects
// ---------------------------------------
(function() {
// 25.4 Promise Objects
// 25.4.1 Promise Abstract Operations
// 25.4.1.1 PromiseCapability Records
// 25.4.1.1.1 IfAbruptRejectPromise ( value, capability )
function IfAbruptRejectPromise(value, capability) {
var rejectResult = capability['[[Reject]]'].call(undefined, value);
return capability['[[Promise]]'];
}
// 25.4.1.2 PromiseReaction Records
// 25.4.1.3 CreateResolvingFunctions ( promise )
function CreateResolvingFunctions(promise) {
var alreadyResolved = {'[[value]]': false};
var resolve = PromiseResolveFunction();
set_internal(resolve, '[[Promise]]', promise);
set_internal(resolve, '[[AlreadyResolved]]', alreadyResolved);
var reject = PromiseRejectFunction();
set_internal(reject, '[[Promise]]', promise);
set_internal(reject, '[[AlreadyResolved]]', alreadyResolved);
return { '[[Resolve]]': resolve, '[[Reject]]': reject};
}
// 25.4.1.3.1 Promise Reject Functions
function PromiseRejectFunction() {
var F = function(reason) {
console.assert(Type(F['[[Promise]]']) === 'object');
var promise = F['[[Promise]]'];
var alreadyResolved = F['[[AlreadyResolved]]'];
if (alreadyResolved['[[value]]']) return undefined;
set_internal(alreadyResolved, '[[value]]', true);
return RejectPromise(promise, reason);
};
return F;
}
// 25.4.1.3.2 Promise Resolve Functions
function PromiseResolveFunction() {
var F = function(resolution) {
console.assert(Type(F['[[Promise]]']) === 'object');
var promise = F['[[Promise]]'];
var alreadyResolved = F['[[AlreadyResolved]]'];
if (alreadyResolved['[[value]]']) return undefined;
set_internal(alreadyResolved, '[[value]]', true);
if (SameValue(resolution, promise)) {
var selfResolutionError = TypeError();
return RejectPromise(promise, selfResolutionError);
}
if (Type(resolution) !== 'object')
return FulfillPromise(promise, resolution);
try {
var then = resolution['then'];
} catch(then) {
return RejectPromise(promise, then);
}
if (!IsCallable(then))
return FulfillPromise(promise, resolution);
EnqueueJob('PromiseJobs', PromiseResolveThenableJob, [promise, resolution, then]);
return undefined;
};
return F;
}
// 25.4.1.4 FulfillPromise ( promise, value )
function FulfillPromise(promise, value) {
console.assert(promise['[[PromiseState]]'] === 'pending');
var reactions = promise['[[PromiseFulfillReactions]]'];
set_internal(promise, '[[PromiseResult]]', value);
set_internal(promise, '[[PromiseFulfillReactions]]', undefined);
set_internal(promise, '[[PromiseRejectReactions]]', undefined);
set_internal(promise, '[[PromiseState]]', 'fulfilled');
return TriggerPromiseReactions(reactions, value);
}
// 25.4.1.5 NewPromiseCapability ( C )
function NewPromiseCapability(c) {
// To keep Promise hermetic, this doesn't look much like the spec.
return CreatePromiseCapabilityRecord(undefined, c);
}
// 25.4.1.5.1 CreatePromiseCapabilityRecord ( promise, constructor )
function CreatePromiseCapabilityRecord(promise, constructor) {
// To keep Promise hermetic, this doesn't look much like the spec.
console.assert(IsConstructor(constructor));
var promiseCapability = {};
set_internal(promiseCapability, '[[Promise]]', promise);
set_internal(promiseCapability, '[[Resolve]]', undefined);
set_internal(promiseCapability, '[[Reject]]', undefined);
var executor = GetCapabilitiesExecutor();
set_internal(executor, '[[Capability]]', promiseCapability);
// NOTE: Differs from spec; object is constructed here
var constructorResult = promise = new constructor(executor);
set_internal(promiseCapability, '[[Promise]]', promise);
if (!IsCallable(promiseCapability['[[Resolve]]'])) throw TypeError();
if (!IsCallable(promiseCapability['[[Reject]]'])) throw TypeError();
if (Type(constructorResult) === 'object' && !SameValue(promise, constructorResult)) throw TypeError();
return promiseCapability;
}
// 25.4.1.5.2 GetCapabilitiesExecutor Functions
function GetCapabilitiesExecutor() {
var F = function(resolve, reject) {
console.assert(F['[[Capability]]']);
var promiseCapability = F['[[Capability]]'];
if (promiseCapability['[[Resolve]]'] !== undefined) throw TypeError();
if (promiseCapability['[[Reject]]'] !== undefined) throw TypeError();
set_internal(promiseCapability, '[[Resolve]]', resolve);
set_internal(promiseCapability, '[[Reject]]', reject);
return undefined;
};
return F;
}
// 25.4.1.6 IsPromise ( x )
function IsPromise(x) {
if (Type(x) !== 'object') return false;
if (!('[[PromiseState]]' in x)) return false;
if (x['[[PromiseState]]'] === undefined) return false;
return true;
}
// 25.4.1.7 RejectPromise ( promise, reason )
function RejectPromise(promise, reason) {
console.assert(promise['[[PromiseState]]'] === 'pending');
var reactions = promise['[[PromiseRejectReactions]]'];
set_internal(promise, '[[PromiseResult]]', reason);
set_internal(promise, '[[PromiseFulfillReactions]]', undefined);
set_internal(promise, '[[PromiseRejectReactions]]', undefined);
set_internal(promise, '[[PromiseState]]', 'rejected');
return TriggerPromiseReactions(reactions, reason);
}
// 25.4.1.8 TriggerPromiseReactions ( reactions, argument )
function TriggerPromiseReactions(reactions, argument) {
for (var i = 0, len = reactions.length; i < len; ++i)
EnqueueJob('PromiseJobs', PromiseReactionJob, [reactions[i], argument]);
return undefined;
}
// 25.4.2 Promise Jobs
// 25.4.2.1 PromiseReactionJob ( reaction, argument )
function PromiseReactionJob(reaction, argument) {
var promiseCapability = reaction['[[Capabilities]]'];
var handler = reaction['[[Handler]]'];
var handlerResult, status;
try {
if (handler === 'Identity') handlerResult = argument;
else if (handler === 'Thrower') throw argument;
else handlerResult = handler.call(undefined, argument);
} catch (handlerResult) {
status = promiseCapability['[[Reject]]'].call(undefined, handlerResult);
NextJob(status); return;
}
status = promiseCapability['[[Resolve]]'].call(undefined, handlerResult);
NextJob(status);
}
// 25.4.2.2 PromiseResolveThenableJob ( promiseToResolve, thenable, then)
function PromiseResolveThenableJob(promiseToResolve, thenable, then) {
// SPEC BUG: promise vs. promiseToResolve
var resolvingFunctions = CreateResolvingFunctions(promiseToResolve);
try {
var thenCallResult = then.call(thenable, resolvingFunctions['[[Resolve]]'],
resolvingFunctions['[[Reject]]']);
} catch (thenCallResult) {
var status = resolvingFunctions['[[Reject]]'].call(undefined, thenCallResult);
NextJob(status); return;
}
NextJob(thenCallResult);
}
// 25.4.3 The Promise Constructor
// 25.4.3.1 Promise ( executor )
function Promise(executor) {
var config = { configurable: false, enumerable: false, writable: true, value: undefined };
Object.defineProperty(this, '[[PromiseState]]', config);
Object.defineProperty(this, '[[PromiseConstructor]]', config);
Object.defineProperty(this, '[[PromiseResult]]', config);
Object.defineProperty(this, '[[PromiseFulfillReactions]]', config);
Object.defineProperty(this, '[[PromiseRejectReactions]]', config);
var promise = this;
if (Type(promise) !== 'object') throw new TypeError();
if (!('[[PromiseState]]' in promise)) throw TypeError();
if (promise['[[PromiseState]]'] !== undefined) throw TypeError();
if (!IsCallable(executor)) throw TypeError();
set_internal(promise, '[[PromiseConstructor]]', Promise);
return InitializePromise(promise, executor);
}
// 25.4.3.1.1 InitializePromise ( promise, executor )
function InitializePromise(promise, executor) {
console.assert('[[PromiseState]]' in promise);
console.assert(IsCallable(executor));
set_internal(promise, '[[PromiseState]]', 'pending');
set_internal(promise, '[[PromiseFulfillReactions]]', []);
set_internal(promise, '[[PromiseRejectReactions]]', []);
var resolvingFunctions = CreateResolvingFunctions(promise);
try {
var completion = executor.call(undefined, resolvingFunctions['[[Resolve]]'],
resolvingFunctions['[[Reject]]']);
} catch (completion) {
var status = resolvingFunctions['[[Reject]]'].call(undefined, completion);
}
return promise;
}
// 25.4.4 Properties of the Promise Constructor
// 25.4.4.1 Promise.all ( iterable )
define(Promise, 'all', function all(iterable) {
var c = strict(this);
var promiseCapability = NewPromiseCapability(c);
try {
var iterator = GetIterator(iterable);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
var values = [];
var remainingElementsCount = { value: 1 };
var index = 0;
while (true) {
try {
var next = IteratorStep(iterator);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
if (!next) {
remainingElementsCount.value -= 1;
if (remainingElementsCount.value === 0) {
var resolveResult = promiseCapability['[[Resolve]]'].apply(undefined, values);
}
return promiseCapability['[[Promise]]'];
}
try {
var nextValue = IteratorValue(next);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
try {
var nextPromise = c.resolve(nextValue);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
var resolveElement = PromiseAllResolveElementFunction();
set_internal(resolveElement, '[[AlreadyCalled]]', { value: false });
set_internal(resolveElement, '[[Index]]', index);
set_internal(resolveElement, '[[Values]]', values);
set_internal(resolveElement, '[[Capabilities]]', promiseCapability);
set_internal(resolveElement, '[[RemainingElements]]', remainingElementsCount);
remainingElementsCount.value += 1;
try {
var result = nextPromise.then(resolveElement, promiseCapability['[[Reject]]']);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
index += 1;
}
});
// 25.4.4.1.1 Promise.all Resolve Element Functions
function PromiseAllResolveElementFunction() {
var F = function(x) {
var alreadyCalled = F['[[AlreadyCalled]]'];
if (alreadyCalled.value) return undefined;
alreadyCalled.value = true;
var index = F['[[Index]]'];
var values = F['[[Values]]'];
var promiseCapability = F['[[Capabilities]]'];
var remainingElementsCount = F['[[RemainingElements]]'];
try {
values[index] = x;
} catch (result) {
promiseCapability['[[Reject]]'].call(undefined, result);
return promiseCapability['[[Promise]]'];
}
remainingElementsCount.value -= 1;
if (remainingElementsCount.value === 0)
return promiseCapability['[[Resolve]]'].call(undefined, values);
return undefined;
};
return F;
}
// 25.4.4.2 Promise.prototype
Promise.prototype = {};
// 25.4.4.3 Promise.race ( iterable )
define(Promise, 'race', function race(iterable) {
var c = strict(this);
var promiseCapability = NewPromiseCapability(c);
try {
var iterator = GetIterator(iterable);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
while (true) {
try {
var next = IteratorStep(iterator);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
if (!next) return promiseCapability['[[Promise]]'];
try {
var nextValue = IteratorValue(next);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
try {
var nextPromise = c.resolve(nextValue);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
try {
nextPromise.then(promiseCapability['[[Resolve]]'], promiseCapability['[[Reject]]']);
} catch (value) {
promiseCapability['[[Reject]]'].call(undefined, value);
return promiseCapability['[[Promise]]'];
}
}
});
// 25.4.4.4 Promise.reject ( r )
define(Promise, 'reject', function reject(r) {
var c = strict(this);
var promiseCapability = NewPromiseCapability(c);
var rejectResult = promiseCapability['[[Reject]]'].call(undefined, r);
return promiseCapability['[[Promise]]'];
});
// 25.4.4.5 Promise.resolve ( x )
define(Promise, 'resolve', function resolve(x) {
var c = strict(this);
if (IsPromise(x)) {
var constructor = x['[[PromiseConstructor]]'];
if (SameValue(constructor, c)) return x;
}
var promiseCapability = NewPromiseCapability(c);
var resolveResult = promiseCapability['[[Resolve]]'].call(undefined, x);
return promiseCapability['[[Promise]]'];
});
// 25.4.4.6 Promise [ @@create ] ( )
// 25.4.4.6.1 AllocatePromise ( constructor )
// 25.4.5 Properties of the Promise Prototype Object
// 25.4.5.1 Promise.prototype.catch ( onRejected )
define(Promise.prototype, 'catch', function catch_(onRejected) {
var promise = this;
return promise.then(undefined, onRejected);
});
// 25.4.5.2 Promise.prototype.constructor
Promise.prototype.constructor = Promise;
// 25.4.5.3 Promise.prototype.then ( onFulfilled , onRejected )
define(Promise.prototype, 'then', function then(onFulfilled, onRejected) {
var promise = this;
if (!IsPromise(promise)) throw TypeError();
if (!IsCallable(onFulfilled)) onFulfilled = 'Identity';
if (!IsCallable(onRejected)) onRejected = 'Thrower';
var c = promise.constructor;
var promiseCapability = NewPromiseCapability(c);
var fulfillReaction = { '[[Capabilities]]': promiseCapability,
'[[Handler]]': onFulfilled };
var rejectReaction = { '[[Capabilities]]': promiseCapability,
'[[Handler]]': onRejected };
if (promise['[[PromiseState]]'] === 'pending') {
promise['[[PromiseFulfillReactions]]'].push(fulfillReaction);
promise['[[PromiseRejectReactions]]'].push(rejectReaction);
} else if (promise['[[PromiseState]]'] === 'fulfilled') {
var value = promise['[[PromiseResult]]'];
EnqueueJob('PromiseJobs', PromiseReactionJob, [fulfillReaction, value]);
} else if (promise['[[PromiseState]]'] === 'rejected') {
var reason = promise['[[PromiseResult]]'];
EnqueueJob('PromiseJobs', PromiseReactionJob, [rejectReaction, reason]);
}
return promiseCapability['[[Promise]]'];
});
// 25.4.6 Properties of Promise Instances
if (!('Promise' in global) || OVERRIDE_NATIVE_FOR_TESTING)
global.Promise = Promise;
// Patch early Promise.cast vs. Promise.resolve implementations
if ('cast' in global.Promise) global.Promise.resolve = global.Promise.cast;
}());
// 25.4.5.1 Promise.prototype [ @@toStringTag ]
define(Promise.prototype, $$toStringTag, 'Promise');
// ---------------------------------------
// 26 Reflection
// ---------------------------------------
(function() {
// 26.1 The Reflect Object
if (!('Reflect' in global) || OVERRIDE_NATIVE_FOR_TESTING)
global.Reflect = {};
// 26.1.1 Reflect.apply ( target, thisArgument, argumentsList )
define(
Reflect, 'apply',
function apply(target, thisArgument, argumentsList) {
if (!IsCallable(target)) throw TypeError();
return Function.prototype.apply.call(target, thisArgument, argumentsList);
});
// 26.1.2 Reflect.construct ( target, argumentsList [, newTarget] )
define(
Reflect, 'construct',
function construct(target, argumentsList) {
return __cons(target, argumentsList);
});
// 26.1.3 Reflect.defineProperty ( target, propertyKey, attributes )
define(
Reflect, 'defineProperty',
function defineProperty(target, propertyKey, attributes) {
try {
Object.defineProperty(target, propertyKey, attributes);
return true;
} catch (_) {
return false;
}
});
// 26.1.4 Reflect.deleteProperty ( target, propertyKey )
define(
Reflect, 'deleteProperty',
function deleteProperty(target,name) {
try {
delete target[name];
return !HasOwnProperty(target, name);
} catch (_) {
return false;
}
});
// 26.1.5 Reflect.enumerate ( target )
define(
Reflect, 'enumerate',
function enumerate(target) {
target = ToObject(target);
var iterator = Enumerate(target);
return iterator;
});
// 26.1.6 Reflect.get ( target, propertyKey [ , receiver ])
define(
Reflect, 'get',
function get(target, name, receiver) {
target = ToObject(target);
name = String(name);
receiver = (receiver === undefined) ? target : ToObject(receiver);
var desc = getPropertyDescriptor(target, name);
if (desc && 'get' in desc)
return Function.prototype.call.call(desc['get'], receiver);
return target[name];
});
// 26.1.7 Reflect.getOwnPropertyDescriptor ( target, propertyKey )
define(
Reflect, 'getOwnPropertyDescriptor',
Object.getOwnPropertyDescriptor);
// 26.1.8 Reflect.getPrototypeOf ( target )
define(
Reflect, 'getPrototypeOf',
Object.getPrototypeOf);
// 26.1.9 Reflect.has ( target, propertyKey )
define(
Reflect, 'has',
function has(target,name) {
return String(name) in ToObject(target);
});
// 26.1.10 Reflect.isExtensible (target)
define(
Reflect, 'isExtensible',
Object.isExtensible);
// 26.1.11 Reflect.ownKeys ( target )
define(
Reflect, 'ownKeys',
function ownKeys(target) {
var obj = ToObject(target);
return Object.getOwnPropertyNames(obj);
});
// 26.1.12 Reflect.preventExtensions ( target )
define(
Reflect, 'preventExtensions',
function preventExtensions(target) {
try { Object.preventExtensions(target); return true; } catch (_) { return false; }
});
// 26.1.13 Reflect.set ( target, propertyKey, V [ , receiver ] )
define(
Reflect, 'set',
function set(target, name, value, receiver) {
target = ToObject(target);
name = String(name);
receiver = (receiver === undefined) ? target : ToObject(receiver);
var desc = getPropertyDescriptor(target, name);
try {
if (desc && 'set' in desc)
Function.prototype.call.call(desc['set'], receiver, value);
else
target[name] = value;
return true;
} catch (_) {
return false;
}
});
// 26.1.14 Reflect.setPrototypeOf ( target, proto )
define(
Reflect, 'setPrototypeOf',
function setPrototypeOf(target, proto) {
try {
target.__proto__ = proto;
return Reflect.getPrototypeOf(target) === proto;
} catch(_) {
return false;
}
});
}());
// ---------------------------------------
// 26.2 Proxy Objects
// ---------------------------------------
// Not polyfillable.
}(self));
// This helper is defined outside the main scope so that the use of
// 'eval' does not taint the scope for minifiers.
function __cons(t, a) {
return eval('new t(' + a.map(function(_, i) { return 'a[' + i + ']'; }).join(',') + ')');
}
