1 line
14 KiB
JSON
1 line
14 KiB
JSON
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{"ast":null,"code":"'use strict';\n\nvar $ = require('../internals/export');\n\nvar call = require('../internals/function-call');\n\nvar IS_PURE = require('../internals/is-pure');\n\nvar FunctionName = require('../internals/function-name');\n\nvar isCallable = require('../internals/is-callable');\n\nvar createIteratorConstructor = require('../internals/create-iterator-constructor');\n\nvar getPrototypeOf = require('../internals/object-get-prototype-of');\n\nvar setPrototypeOf = require('../internals/object-set-prototype-of');\n\nvar setToStringTag = require('../internals/set-to-string-tag');\n\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\n\nvar defineBuiltIn = require('../internals/define-built-in');\n\nvar wellKnownSymbol = require('../internals/well-known-symbol');\n\nvar Iterators = require('../internals/iterators');\n\nvar IteratorsCore = require('../internals/iterators-core');\n\nvar PROPER_FUNCTION_NAME = FunctionName.PROPER;\nvar CONFIGURABLE_FUNCTION_NAME = FunctionName.CONFIGURABLE;\nvar IteratorPrototype = IteratorsCore.IteratorPrototype;\nvar BUGGY_SAFARI_ITERATORS = IteratorsCore.BUGGY_SAFARI_ITERATORS;\nvar ITERATOR = wellKnownSymbol('iterator');\nvar KEYS = 'keys';\nvar VALUES = 'values';\nvar ENTRIES = 'entries';\n\nvar returnThis = function returnThis() {\n return this;\n};\n\nmodule.exports = function (Iterable, NAME, IteratorConstructor, next, DEFAULT, IS_SET, FORCED) {\n createIteratorConstructor(IteratorConstructor, NAME, next);\n\n var getIterationMethod = function getIterationMethod(KIND) {\n if (KIND === DEFAULT && defaultIterator) return defaultIterator;\n if (!BUGGY_SAFARI_ITERATORS && KIND in IterablePrototype) return IterablePrototype[KIND];\n\n switch (KIND) {\n case KEYS:\n return function keys() {\n return new IteratorConstructor(this, KIND);\n };\n\n case VALUES:\n return function values() {\n return new IteratorConstructor(this, KIND);\n };\n\n case ENTRIES:\n return function entries() {\n return new IteratorConstructor(this, KIND);\n };\n }\n\n return function () {\n return new IteratorConstructor(this);\n };\n };\n\n var TO_STRING_TAG = NAME + ' Iterator';\n var INCORRECT_VALUES_NAME = false;\n var IterablePrototype = Iterable.prototype;\n var nativeIterator = IterablePrototype[ITERATOR] || IterablePrototype['@@iterator'] || DEFAULT && IterablePrototype[DEFAULT];\n var defaultIterator = !BUGGY_SAFARI_ITERATORS && nativeIterator || getIterationMethod(DEFAULT);\n var anyNativeIterator = NAME == 'Array' ? IterablePrototype.entries || nativeIterator : nativeIterator;\n var CurrentIteratorPrototype, methods, KEY; // fix native\n\n if (anyNativeIterator) {\n CurrentIteratorPrototype = getPrototypeOf(anyNativeIterator.call(new Iterable()));\n\n if (CurrentIteratorPrototype !== Object.prototype && CurrentIteratorPrototype.next) {\n if (!IS_PURE && getPrototypeOf(CurrentIteratorPrototype) !== IteratorPrototype) {\n if (setPrototypeOf) {\n setPrototypeOf(CurrentIteratorPrototype, IteratorPrototype);\n } else if (!isCallable(CurrentIteratorPrototype[ITERATOR])) {\n defineBuiltIn(CurrentIteratorPrototype, ITERATOR, returnThis);\n }\n } // Set @@toStringTag to native iterators\n\n\n setToStringTag(CurrentIteratorPrototype, TO_STRING_TAG, true, true);\n if (IS_PURE) Iterators[TO_STRING_TAG] = returnThis;\n }\n } // fix Array.prototype.{ values, @@iterator }.name in V8 / FF\n\n\n if (PROPER_FUNCTION_NAME && DEFAULT == VALUES && nativeIterator && nativeIterator.name !== VALUES) {\n if (!IS_PURE && CONFIGURABLE_FUNCTION_NAME) {\n createNonEnumerableProperty(IterablePrototype, 'name', VALUES);\n } else {\n INCORRECT_VALUES_NAME = true;\n\n defaultIterator = function values() {\n return call(nativeIterator, this);\n };\n }\n } // export additional methods\n\n\n if (DEFAULT) {\n methods = {\n values: getIterationMethod(VALUES),\n
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