diff options
Diffstat (limited to 'node_modules/core-js/modules/core.dict.js')
| -rw-r--r-- | node_modules/core-js/modules/core.dict.js | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/core.dict.js b/node_modules/core-js/modules/core.dict.js new file mode 100644 index 00000000..5422ad30 --- /dev/null +++ b/node_modules/core-js/modules/core.dict.js @@ -0,0 +1,157 @@ +'use strict'; +var ctx = require('./_ctx'); +var $export = require('./_export'); +var createDesc = require('./_property-desc'); +var assign = require('./_object-assign'); +var create = require('./_object-create'); +var getPrototypeOf = require('./_object-gpo'); +var getKeys = require('./_object-keys'); +var dP = require('./_object-dp'); +var keyOf = require('./_keyof'); +var aFunction = require('./_a-function'); +var forOf = require('./_for-of'); +var isIterable = require('./core.is-iterable'); +var $iterCreate = require('./_iter-create'); +var step = require('./_iter-step'); +var isObject = require('./_is-object'); +var toIObject = require('./_to-iobject'); +var DESCRIPTORS = require('./_descriptors'); +var has = require('./_has'); + +// 0 -> Dict.forEach +// 1 -> Dict.map +// 2 -> Dict.filter +// 3 -> Dict.some +// 4 -> Dict.every +// 5 -> Dict.find +// 6 -> Dict.findKey +// 7 -> Dict.mapPairs +var createDictMethod = function (TYPE) { + var IS_MAP = TYPE == 1; + var IS_EVERY = TYPE == 4; + return function (object, callbackfn, that /* = undefined */) { + var f = ctx(callbackfn, that, 3); + var O = toIObject(object); + var result = IS_MAP || TYPE == 7 || TYPE == 2 + ? new (typeof this == 'function' ? this : Dict)() : undefined; + var key, val, res; + for (key in O) if (has(O, key)) { + val = O[key]; + res = f(val, key, object); + if (TYPE) { + if (IS_MAP) result[key] = res; // map + else if (res) switch (TYPE) { + case 2: result[key] = val; break; // filter + case 3: return true; // some + case 5: return val; // find + case 6: return key; // findKey + case 7: result[res[0]] = res[1]; // mapPairs + } else if (IS_EVERY) return false; // every + } + } + return TYPE == 3 || IS_EVERY ? IS_EVERY : result; + }; +}; +var findKey = createDictMethod(6); + +var createDictIter = function (kind) { + return function (it) { + return new DictIterator(it, kind); + }; +}; +var DictIterator = function (iterated, kind) { + this._t = toIObject(iterated); // target + this._a = getKeys(iterated); // keys + this._i = 0; // next index + this._k = kind; // kind +}; +$iterCreate(DictIterator, 'Dict', function () { + var that = this; + var O = that._t; + var keys = that._a; + var kind = that._k; + var key; + do { + if (that._i >= keys.length) { + that._t = undefined; + return step(1); + } + } while (!has(O, key = keys[that._i++])); + if (kind == 'keys') return step(0, key); + if (kind == 'values') return step(0, O[key]); + return step(0, [key, O[key]]); +}); + +function Dict(iterable) { + var dict = create(null); + if (iterable != undefined) { + if (isIterable(iterable)) { + forOf(iterable, true, function (key, value) { + dict[key] = value; + }); + } else assign(dict, iterable); + } + return dict; +} +Dict.prototype = null; + +function reduce(object, mapfn, init) { + aFunction(mapfn); + var O = toIObject(object); + var keys = getKeys(O); + var length = keys.length; + var i = 0; + var memo, key; + if (arguments.length < 3) { + if (!length) throw TypeError('Reduce of empty object with no initial value'); + memo = O[keys[i++]]; + } else memo = Object(init); + while (length > i) if (has(O, key = keys[i++])) { + memo = mapfn(memo, O[key], key, object); + } + return memo; +} + +function includes(object, el) { + // eslint-disable-next-line no-self-compare + return (el == el ? keyOf(object, el) : findKey(object, function (it) { + // eslint-disable-next-line no-self-compare + return it != it; + })) !== undefined; +} + +function get(object, key) { + if (has(object, key)) return object[key]; +} +function set(object, key, value) { + if (DESCRIPTORS && key in Object) dP.f(object, key, createDesc(0, value)); + else object[key] = value; + return object; +} + +function isDict(it) { + return isObject(it) && getPrototypeOf(it) === Dict.prototype; +} + +$export($export.G + $export.F, { Dict: Dict }); + +$export($export.S, 'Dict', { + keys: createDictIter('keys'), + values: createDictIter('values'), + entries: createDictIter('entries'), + forEach: createDictMethod(0), + map: createDictMethod(1), + filter: createDictMethod(2), + some: createDictMethod(3), + every: createDictMethod(4), + find: createDictMethod(5), + findKey: findKey, + mapPairs: createDictMethod(7), + reduce: reduce, + keyOf: keyOf, + includes: includes, + has: has, + get: get, + set: set, + isDict: isDict +}); |
