diff options
author | Florian Dold <florian.dold@gmail.com> | 2017-08-14 05:01:11 +0200 |
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committer | Florian Dold <florian.dold@gmail.com> | 2017-08-14 05:02:09 +0200 |
commit | 363723fc84f7b8477592e0105aeb331ec9a017af (patch) | |
tree | 29f92724f34131bac64d6a318dd7e30612e631c7 /node_modules/core-js/modules/es6.symbol.js | |
parent | 5634e77ad96bfe1818f6b6ee70b7379652e5487f (diff) |
node_modules
Diffstat (limited to 'node_modules/core-js/modules/es6.symbol.js')
-rw-r--r-- | node_modules/core-js/modules/es6.symbol.js | 238 |
1 files changed, 119 insertions, 119 deletions
diff --git a/node_modules/core-js/modules/es6.symbol.js b/node_modules/core-js/modules/es6.symbol.js index eae491c5a..f27076e11 100644 --- a/node_modules/core-js/modules/es6.symbol.js +++ b/node_modules/core-js/modules/es6.symbol.js @@ -1,188 +1,188 @@ 'use strict'; // ECMAScript 6 symbols shim -var global = require('./_global') - , has = require('./_has') - , DESCRIPTORS = require('./_descriptors') - , $export = require('./_export') - , redefine = require('./_redefine') - , META = require('./_meta').KEY - , $fails = require('./_fails') - , shared = require('./_shared') - , setToStringTag = require('./_set-to-string-tag') - , uid = require('./_uid') - , wks = require('./_wks') - , wksExt = require('./_wks-ext') - , wksDefine = require('./_wks-define') - , keyOf = require('./_keyof') - , enumKeys = require('./_enum-keys') - , isArray = require('./_is-array') - , anObject = require('./_an-object') - , toIObject = require('./_to-iobject') - , toPrimitive = require('./_to-primitive') - , createDesc = require('./_property-desc') - , _create = require('./_object-create') - , gOPNExt = require('./_object-gopn-ext') - , $GOPD = require('./_object-gopd') - , $DP = require('./_object-dp') - , $keys = require('./_object-keys') - , gOPD = $GOPD.f - , dP = $DP.f - , gOPN = gOPNExt.f - , $Symbol = global.Symbol - , $JSON = global.JSON - , _stringify = $JSON && $JSON.stringify - , PROTOTYPE = 'prototype' - , HIDDEN = wks('_hidden') - , TO_PRIMITIVE = wks('toPrimitive') - , isEnum = {}.propertyIsEnumerable - , SymbolRegistry = shared('symbol-registry') - , AllSymbols = shared('symbols') - , OPSymbols = shared('op-symbols') - , ObjectProto = Object[PROTOTYPE] - , USE_NATIVE = typeof $Symbol == 'function' - , QObject = global.QObject; +var global = require('./_global'); +var has = require('./_has'); +var DESCRIPTORS = require('./_descriptors'); +var $export = require('./_export'); +var redefine = require('./_redefine'); +var META = require('./_meta').KEY; +var $fails = require('./_fails'); +var shared = require('./_shared'); +var setToStringTag = require('./_set-to-string-tag'); +var uid = require('./_uid'); +var wks = require('./_wks'); +var wksExt = require('./_wks-ext'); +var wksDefine = require('./_wks-define'); +var keyOf = require('./_keyof'); +var enumKeys = require('./_enum-keys'); +var isArray = require('./_is-array'); +var anObject = require('./_an-object'); +var toIObject = require('./_to-iobject'); +var toPrimitive = require('./_to-primitive'); +var createDesc = require('./_property-desc'); +var _create = require('./_object-create'); +var gOPNExt = require('./_object-gopn-ext'); +var $GOPD = require('./_object-gopd'); +var $DP = require('./_object-dp'); +var $keys = require('./_object-keys'); +var gOPD = $GOPD.f; +var dP = $DP.f; +var gOPN = gOPNExt.f; +var $Symbol = global.Symbol; +var $JSON = global.JSON; +var _stringify = $JSON && $JSON.stringify; +var PROTOTYPE = 'prototype'; +var HIDDEN = wks('_hidden'); +var TO_PRIMITIVE = wks('toPrimitive'); +var isEnum = {}.propertyIsEnumerable; +var SymbolRegistry = shared('symbol-registry'); +var AllSymbols = shared('symbols'); +var OPSymbols = shared('op-symbols'); +var ObjectProto = Object[PROTOTYPE]; +var USE_NATIVE = typeof $Symbol == 'function'; +var QObject = global.QObject; // Don't use setters in Qt Script, https://github.com/zloirock/core-js/issues/173 var setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild; // fallback for old Android, https://code.google.com/p/v8/issues/detail?id=687 -var setSymbolDesc = DESCRIPTORS && $fails(function(){ +var setSymbolDesc = DESCRIPTORS && $fails(function () { return _create(dP({}, 'a', { - get: function(){ return dP(this, 'a', {value: 7}).a; } + get: function () { return dP(this, 'a', { value: 7 }).a; } })).a != 7; -}) ? function(it, key, D){ +}) ? function (it, key, D) { var protoDesc = gOPD(ObjectProto, key); - if(protoDesc)delete ObjectProto[key]; + if (protoDesc) delete ObjectProto[key]; dP(it, key, D); - if(protoDesc && it !== ObjectProto)dP(ObjectProto, key, protoDesc); + if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc); } : dP; -var wrap = function(tag){ +var wrap = function (tag) { var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]); sym._k = tag; return sym; }; -var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function(it){ +var isSymbol = USE_NATIVE && typeof $Symbol.iterator == 'symbol' ? function (it) { return typeof it == 'symbol'; -} : function(it){ +} : function (it) { return it instanceof $Symbol; }; -var $defineProperty = function defineProperty(it, key, D){ - if(it === ObjectProto)$defineProperty(OPSymbols, key, D); +var $defineProperty = function defineProperty(it, key, D) { + if (it === ObjectProto) $defineProperty(OPSymbols, key, D); anObject(it); key = toPrimitive(key, true); anObject(D); - if(has(AllSymbols, key)){ - if(!D.enumerable){ - if(!has(it, HIDDEN))dP(it, HIDDEN, createDesc(1, {})); + if (has(AllSymbols, key)) { + if (!D.enumerable) { + if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {})); it[HIDDEN][key] = true; } else { - if(has(it, HIDDEN) && it[HIDDEN][key])it[HIDDEN][key] = false; - D = _create(D, {enumerable: createDesc(0, false)}); + if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false; + D = _create(D, { enumerable: createDesc(0, false) }); } return setSymbolDesc(it, key, D); } return dP(it, key, D); }; -var $defineProperties = function defineProperties(it, P){ +var $defineProperties = function defineProperties(it, P) { anObject(it); - var keys = enumKeys(P = toIObject(P)) - , i = 0 - , l = keys.length - , key; - while(l > i)$defineProperty(it, key = keys[i++], P[key]); + var keys = enumKeys(P = toIObject(P)); + var i = 0; + var l = keys.length; + var key; + while (l > i) $defineProperty(it, key = keys[i++], P[key]); return it; }; -var $create = function create(it, P){ +var $create = function create(it, P) { return P === undefined ? _create(it) : $defineProperties(_create(it), P); }; -var $propertyIsEnumerable = function propertyIsEnumerable(key){ +var $propertyIsEnumerable = function propertyIsEnumerable(key) { var E = isEnum.call(this, key = toPrimitive(key, true)); - if(this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return false; + if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false; return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true; }; -var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key){ - it = toIObject(it); +var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) { + it = toIObject(it); key = toPrimitive(key, true); - if(it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key))return; + if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return; var D = gOPD(it, key); - if(D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key]))D.enumerable = true; + if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true; return D; }; -var $getOwnPropertyNames = function getOwnPropertyNames(it){ - var names = gOPN(toIObject(it)) - , result = [] - , i = 0 - , key; - while(names.length > i){ - if(!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META)result.push(key); +var $getOwnPropertyNames = function getOwnPropertyNames(it) { + var names = gOPN(toIObject(it)); + var result = []; + var i = 0; + var key; + while (names.length > i) { + if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key); } return result; }; -var $getOwnPropertySymbols = function getOwnPropertySymbols(it){ - var IS_OP = it === ObjectProto - , names = gOPN(IS_OP ? OPSymbols : toIObject(it)) - , result = [] - , i = 0 - , key; - while(names.length > i){ - if(has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true))result.push(AllSymbols[key]); +var $getOwnPropertySymbols = function getOwnPropertySymbols(it) { + var IS_OP = it === ObjectProto; + var names = gOPN(IS_OP ? OPSymbols : toIObject(it)); + var result = []; + var i = 0; + var key; + while (names.length > i) { + if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]); } return result; }; // 19.4.1.1 Symbol([description]) -if(!USE_NATIVE){ - $Symbol = function Symbol(){ - if(this instanceof $Symbol)throw TypeError('Symbol is not a constructor!'); +if (!USE_NATIVE) { + $Symbol = function Symbol() { + if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!'); var tag = uid(arguments.length > 0 ? arguments[0] : undefined); - var $set = function(value){ - if(this === ObjectProto)$set.call(OPSymbols, value); - if(has(this, HIDDEN) && has(this[HIDDEN], tag))this[HIDDEN][tag] = false; + var $set = function (value) { + if (this === ObjectProto) $set.call(OPSymbols, value); + if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false; setSymbolDesc(this, tag, createDesc(1, value)); }; - if(DESCRIPTORS && setter)setSymbolDesc(ObjectProto, tag, {configurable: true, set: $set}); + if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, { configurable: true, set: $set }); return wrap(tag); }; - redefine($Symbol[PROTOTYPE], 'toString', function toString(){ + redefine($Symbol[PROTOTYPE], 'toString', function toString() { return this._k; }); $GOPD.f = $getOwnPropertyDescriptor; - $DP.f = $defineProperty; + $DP.f = $defineProperty; require('./_object-gopn').f = gOPNExt.f = $getOwnPropertyNames; - require('./_object-pie').f = $propertyIsEnumerable; + require('./_object-pie').f = $propertyIsEnumerable; require('./_object-gops').f = $getOwnPropertySymbols; - if(DESCRIPTORS && !require('./_library')){ + if (DESCRIPTORS && !require('./_library')) { redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true); } - wksExt.f = function(name){ + wksExt.f = function (name) { return wrap(wks(name)); - } + }; } -$export($export.G + $export.W + $export.F * !USE_NATIVE, {Symbol: $Symbol}); +$export($export.G + $export.W + $export.F * !USE_NATIVE, { Symbol: $Symbol }); -for(var symbols = ( +for (var es6Symbols = ( // 19.4.2.2, 19.4.2.3, 19.4.2.4, 19.4.2.6, 19.4.2.8, 19.4.2.9, 19.4.2.10, 19.4.2.11, 19.4.2.12, 19.4.2.13, 19.4.2.14 'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables' -).split(','), i = 0; symbols.length > i; )wks(symbols[i++]); +).split(','), j = 0; es6Symbols.length > j;)wks(es6Symbols[j++]); -for(var symbols = $keys(wks.store), i = 0; symbols.length > i; )wksDefine(symbols[i++]); +for (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) wksDefine(wellKnownSymbols[k++]); $export($export.S + $export.F * !USE_NATIVE, 'Symbol', { // 19.4.2.1 Symbol.for(key) - 'for': function(key){ + 'for': function (key) { return has(SymbolRegistry, key += '') ? SymbolRegistry[key] : SymbolRegistry[key] = $Symbol(key); }, // 19.4.2.5 Symbol.keyFor(sym) - keyFor: function keyFor(key){ - if(isSymbol(key))return keyOf(SymbolRegistry, key); + keyFor: function keyFor(key) { + if (isSymbol(key)) return keyOf(SymbolRegistry, key); throw TypeError(key + ' is not a symbol!'); }, - useSetter: function(){ setter = true; }, - useSimple: function(){ setter = false; } + useSetter: function () { setter = true; }, + useSimple: function () { setter = false; } }); $export($export.S + $export.F * !USE_NATIVE, 'Object', { @@ -201,24 +201,24 @@ $export($export.S + $export.F * !USE_NATIVE, 'Object', { }); // 24.3.2 JSON.stringify(value [, replacer [, space]]) -$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function(){ +$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () { var S = $Symbol(); // MS Edge converts symbol values to JSON as {} // WebKit converts symbol values to JSON as null // V8 throws on boxed symbols - return _stringify([S]) != '[null]' || _stringify({a: S}) != '{}' || _stringify(Object(S)) != '{}'; + return _stringify([S]) != '[null]' || _stringify({ a: S }) != '{}' || _stringify(Object(S)) != '{}'; })), 'JSON', { - stringify: function stringify(it){ - if(it === undefined || isSymbol(it))return; // IE8 returns string on undefined - var args = [it] - , i = 1 - , replacer, $replacer; - while(arguments.length > i)args.push(arguments[i++]); + stringify: function stringify(it) { + if (it === undefined || isSymbol(it)) return; // IE8 returns string on undefined + var args = [it]; + var i = 1; + var replacer, $replacer; + while (arguments.length > i) args.push(arguments[i++]); replacer = args[1]; - if(typeof replacer == 'function')$replacer = replacer; - if($replacer || !isArray(replacer))replacer = function(key, value){ - if($replacer)value = $replacer.call(this, key, value); - if(!isSymbol(value))return value; + if (typeof replacer == 'function') $replacer = replacer; + if ($replacer || !isArray(replacer)) replacer = function (key, value) { + if ($replacer) value = $replacer.call(this, key, value); + if (!isSymbol(value)) return value; }; args[1] = replacer; return _stringify.apply($JSON, args); @@ -232,4 +232,4 @@ setToStringTag($Symbol, 'Symbol'); // 20.2.1.9 Math[@@toStringTag] setToStringTag(Math, 'Math', true); // 24.3.3 JSON[@@toStringTag] -setToStringTag(global.JSON, 'JSON', true);
\ No newline at end of file +setToStringTag(global.JSON, 'JSON', true); |