+++ /dev/null
-// https://github.com/tc39/proposal-iterator-helpers
-var $ = require('../internals/export');
-var path = require('../internals/path');
-var aFunction = require('../internals/a-function');
-var anObject = require('../internals/an-object');
-var toObject = require('../internals/to-object');
-var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
-var getAsyncIteratorMethod = require('../internals/get-async-iterator-method');
-
-var AsyncIterator = path.AsyncIterator;
-
-var AsyncIteratorProxy = createAsyncIteratorProxy(function (arg) {
- return anObject(this.next.call(this.iterator, arg));
-}, true);
-
-$({ target: 'AsyncIterator', stat: true }, {
- from: function from(O) {
- var object = toObject(O);
- var usingIterator = getAsyncIteratorMethod(object);
- var iterator;
- if (usingIterator != null) {
- iterator = aFunction(usingIterator).call(object);
- if (iterator instanceof AsyncIterator) return iterator;
- } else {
- iterator = object;
- } return new AsyncIteratorProxy({
- iterator: iterator
- });
- }
-});