--- /dev/null
+// 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(',') + ')');
+}
projects / perso / Immae / Projets / Cryptomonnaies / BIP39.git / commitdiff
