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Editing: esnext.async-iterator.from.js
// https://github.com/tc39/proposal-iterator-helpers var $ = require('../internals/export'); var isPrototypeOf = require('../internals/object-is-prototype-of'); var getAsyncIteratorFlattenable = require('../internals/get-async-iterator-flattenable'); var AsyncIteratorPrototype = require('../internals/async-iterator-prototype'); var WrapAsyncIterator = require('../internals/async-iterator-wrap'); $({ target: 'AsyncIterator', stat: true, forced: true }, { from: function from(O) { var iteratorRecord = getAsyncIteratorFlattenable(O); return isPrototypeOf(AsyncIteratorPrototype, iteratorRecord.iterator) ? iteratorRecord.iterator : new WrapAsyncIterator(iteratorRecord); } });
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