| | |
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| | | 'use strict'; |
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| | | // https://github.com/tc39/proposal-iterator-helpers |
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| | | var $ = require('../internals/export'); |
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| | | var apply = require('../internals/function-apply'); |
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| | | var aCallable = require('../internals/a-callable'); |
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| | | var anObject = require('../internals/an-object'); |
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| | | var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy'); |
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| | |
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| | | var state = this; |
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| | | var mapper = state.mapper; |
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| | | |
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| | | return Promise.resolve(anObject(state.next.apply(state.iterator, args))).then(function (step) { |
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| | | return Promise.resolve(anObject(apply(state.next, state.iterator, args))).then(function (step) { |
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| | | if (anObject(step).done) { |
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| | | state.done = true; |
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| | | return { done: true, value: undefined }; |
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| | |
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| | | }); |
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| | | }); |
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| | | |
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| | | $({ target: 'AsyncIterator', proto: true, real: true }, { |
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| | | $({ target: 'AsyncIterator', proto: true, real: true, forced: true }, { |
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| | | map: function map(mapper) { |
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| | | return new AsyncIteratorProxy({ |
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| | | iterator: anObject(this), |
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