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Commit Description:
move datatable to yarn
Commit Description:
move datatable to yarn
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node_modules/core-js/modules/es6.weak-map.js
| 60 lines
| 2.0 KiB
| application/javascript
| JavascriptLexer
|
| r789 | 'use strict'; | |||
| var global = require('./_global'); | ||||
| var each = require('./_array-methods')(0); | ||||
| var redefine = require('./_redefine'); | ||||
| var meta = require('./_meta'); | ||||
| var assign = require('./_object-assign'); | ||||
| var weak = require('./_collection-weak'); | ||||
| var isObject = require('./_is-object'); | ||||
| var validate = require('./_validate-collection'); | ||||
| var NATIVE_WEAK_MAP = require('./_validate-collection'); | ||||
| var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global; | ||||
| var WEAK_MAP = 'WeakMap'; | ||||
| var getWeak = meta.getWeak; | ||||
| var isExtensible = Object.isExtensible; | ||||
| var uncaughtFrozenStore = weak.ufstore; | ||||
| var InternalMap; | ||||
| var wrapper = function (get) { | ||||
| return function WeakMap() { | ||||
| return get(this, arguments.length > 0 ? arguments[0] : undefined); | ||||
| }; | ||||
| }; | ||||
| var methods = { | ||||
| // 23.3.3.3 WeakMap.prototype.get(key) | ||||
| get: function get(key) { | ||||
| if (isObject(key)) { | ||||
| var data = getWeak(key); | ||||
| if (data === true) return uncaughtFrozenStore(validate(this, WEAK_MAP)).get(key); | ||||
| return data ? data[this._i] : undefined; | ||||
| } | ||||
| }, | ||||
| // 23.3.3.5 WeakMap.prototype.set(key, value) | ||||
| set: function set(key, value) { | ||||
| return weak.def(validate(this, WEAK_MAP), key, value); | ||||
| } | ||||
| }; | ||||
| // 23.3 WeakMap Objects | ||||
| var $WeakMap = module.exports = require('./_collection')(WEAK_MAP, wrapper, methods, weak, true, true); | ||||
| // IE11 WeakMap frozen keys fix | ||||
| if (NATIVE_WEAK_MAP && IS_IE11) { | ||||
| InternalMap = weak.getConstructor(wrapper, WEAK_MAP); | ||||
| assign(InternalMap.prototype, methods); | ||||
| meta.NEED = true; | ||||
| each(['delete', 'has', 'get', 'set'], function (key) { | ||||
| var proto = $WeakMap.prototype; | ||||
| var method = proto[key]; | ||||
| redefine(proto, key, function (a, b) { | ||||
| // store frozen objects on internal weakmap shim | ||||
| if (isObject(a) && !isExtensible(a)) { | ||||
| if (!this._f) this._f = new InternalMap(); | ||||
| var result = this._f[key](a, b); | ||||
| return key == 'set' ? this : result; | ||||
| // store all the rest on native weakmap | ||||
| } return method.call(this, a, b); | ||||
| }); | ||||
| }); | ||||
| } | ||||