Ви не можете вибрати більше 25 тем Теми мають розпочинатися з літери або цифри, можуть містити дефіси (-) і не повинні перевищувати 35 символів.
 
 
 
 

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  1. {"ast":null,"code":"'use strict';\n\nvar global = require('./_global');\n\nvar $export = require('./_export');\n\nvar redefine = require('./_redefine');\n\nvar redefineAll = require('./_redefine-all');\n\nvar meta = require('./_meta');\n\nvar forOf = require('./_for-of');\n\nvar anInstance = require('./_an-instance');\n\nvar isObject = require('./_is-object');\n\nvar fails = require('./_fails');\n\nvar $iterDetect = require('./_iter-detect');\n\nvar setToStringTag = require('./_set-to-string-tag');\n\nvar inheritIfRequired = require('./_inherit-if-required');\n\nmodule.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {\n var Base = global[NAME];\n var C = Base;\n var ADDER = IS_MAP ? 'set' : 'add';\n var proto = C && C.prototype;\n var O = {};\n\n var fixMethod = function fixMethod(KEY) {\n var fn = proto[KEY];\n redefine(proto, KEY, KEY == 'delete' ? function (a) {\n return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);\n } : KEY == 'has' ? function has(a) {\n return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);\n } : KEY == 'get' ? function get(a) {\n return IS_WEAK && !isObject(a) ? undefined : fn.call(this, a === 0 ? 0 : a);\n } : KEY == 'add' ? function add(a) {\n fn.call(this, a === 0 ? 0 : a);\n return this;\n } : function set(a, b) {\n fn.call(this, a === 0 ? 0 : a, b);\n return this;\n });\n };\n\n if (typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function () {\n new C().entries().next();\n }))) {\n // create collection constructor\n C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER);\n redefineAll(C.prototype, methods);\n meta.NEED = true;\n } else {\n var instance = new C(); // early implementations not supports chaining\n\n var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance; // V8 ~ Chromium 40- weak-collections throws on primitives, but should return false\n\n var THROWS_ON_PRIMITIVES = fails(function () {\n instance.has(1);\n }); // most early implementations doesn't supports iterables, most modern - not close it correctly\n\n var ACCEPT_ITERABLES = $iterDetect(function (iter) {\n new C(iter);\n }); // eslint-disable-line no-new\n // for early implementations -0 and +0 not the same\n\n var BUGGY_ZERO = !IS_WEAK && fails(function () {\n // V8 ~ Chromium 42- fails only with 5+ elements\n var $instance = new C();\n var index = 5;\n\n while (index--) {\n $instance[ADDER](index, index);\n }\n\n return !$instance.has(-0);\n });\n\n if (!ACCEPT_ITERABLES) {\n C = wrapper(function (target, iterable) {\n anInstance(target, C, NAME);\n var that = inheritIfRequired(new Base(), target, C);\n if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);\n return that;\n });\n C.prototype = proto;\n proto.constructor = C;\n }\n\n if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {\n fixMethod('delete');\n fixMethod('has');\n IS_MAP && fixMethod('get');\n }\n\n if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER); // weak collections should not contains .clear method\n\n if (IS_WEAK && proto.clear) delete proto.clear;\n }\n\n setToStringTag(C, NAME);\n O[NAME] = C;\n $export($export.G + $export.W + $export.F * (C != Base), O);\n if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP);\n return C;\n};","map":null,"metadata":{},"sourceType":"script"}