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- 'use strict';
- // https://github.com/tc39/proposal-iterator-helpers
- var $ = require('../internals/export');
- var anInstance = require('../internals/an-instance');
- var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
- var has = require('../internals/has');
- var wellKnownSymbol = require('../internals/well-known-symbol');
- var AsyncIteratorPrototype = require('../internals/async-iterator-prototype');
- var IS_PURE = require('../internals/is-pure');
- var TO_STRING_TAG = wellKnownSymbol('toStringTag');
- var AsyncIteratorConstructor = function AsyncIterator() {
- anInstance(this, AsyncIteratorConstructor);
- };
- AsyncIteratorConstructor.prototype = AsyncIteratorPrototype;
- if (!has(AsyncIteratorPrototype, TO_STRING_TAG)) {
- createNonEnumerableProperty(AsyncIteratorPrototype, TO_STRING_TAG, 'AsyncIterator');
- }
- if (!has(AsyncIteratorPrototype, 'constructor') || AsyncIteratorPrototype.constructor === Object) {
- createNonEnumerableProperty(AsyncIteratorPrototype, 'constructor', AsyncIteratorConstructor);
- }
- $({ global: true, forced: IS_PURE }, {
- AsyncIterator: AsyncIteratorConstructor
- });
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