massive update, probably broken
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / modules / esnext.async-iterator.take.js
1 'use strict';
2 // https://github.com/tc39/proposal-iterator-helpers
3 var $ = require('../internals/export');
4 var apply = require('../internals/function-apply');
5 var call = require('../internals/function-call');
6 var anObject = require('../internals/an-object');
7 var toPositiveInteger = require('../internals/to-positive-integer');
8 var createAsyncIteratorProxy = require('../internals/async-iterator-create-proxy');
9
10 var AsyncIteratorProxy = createAsyncIteratorProxy(function (Promise, args) {
11   var iterator = this.iterator;
12   var returnMethod, result;
13   if (!this.remaining--) {
14     result = { done: true, value: undefined };
15     this.done = true;
16     returnMethod = iterator['return'];
17     if (returnMethod !== undefined) {
18       return Promise.resolve(call(returnMethod, iterator)).then(function () {
19         return result;
20       });
21     }
22     return result;
23   } return apply(this.next, iterator, args);
24 });
25
26 $({ target: 'AsyncIterator', proto: true, real: true }, {
27   take: function take(limit) {
28     return new AsyncIteratorProxy({
29       iterator: anObject(this),
30       remaining: toPositiveInteger(limit)
31     });
32   }
33 });