| | |
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| | | var isCallable = require('../internals/is-callable'); |
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| | | var create = require('../internals/object-create'); |
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| | | var getPrototypeOf = require('../internals/object-get-prototype-of'); |
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| | | var redefine = require('../internals/redefine'); |
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| | | var defineBuiltIn = require('../internals/define-built-in'); |
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| | | var wellKnownSymbol = require('../internals/well-known-symbol'); |
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| | | var IS_PURE = require('../internals/is-pure'); |
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| | | |
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| | |
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| | | // https://tc39.es/ecma262/#sec-%iteratorprototype%-object |
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| | | var IteratorPrototype, PrototypeOfArrayIteratorPrototype, arrayIterator; |
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| | | |
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| | | /* eslint-disable es/no-array-prototype-keys -- safe */ |
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| | | /* eslint-disable es-x/no-array-prototype-keys -- safe */ |
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| | | if ([].keys) { |
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| | | arrayIterator = [].keys(); |
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| | | // Safari 8 has buggy iterators w/o `next` |
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| | |
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| | | // `%IteratorPrototype%[@@iterator]()` method |
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| | | // https://tc39.es/ecma262/#sec-%iteratorprototype%-@@iterator |
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| | | if (!isCallable(IteratorPrototype[ITERATOR])) { |
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| | | redefine(IteratorPrototype, ITERATOR, function () { |
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| | | defineBuiltIn(IteratorPrototype, ITERATOR, function () { |
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| | | return this; |
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| | | }); |
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| | | } |
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