massive update, probably broken
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / modules / esnext.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 anObject = require('../internals/an-object');
6 var toPositiveInteger = require('../internals/to-positive-integer');
7 var createIteratorProxy = require('../internals/iterator-create-proxy');
8 var iteratorClose = require('../internals/iterator-close');
9
10 var IteratorProxy = createIteratorProxy(function (args) {
11   var iterator = this.iterator;
12   if (!this.remaining--) {
13     this.done = true;
14     return iteratorClose(iterator, 'normal', undefined);
15   }
16   var result = anObject(apply(this.next, iterator, args));
17   var done = this.done = !!result.done;
18   if (!done) return result.value;
19 });
20
21 $({ target: 'Iterator', proto: true, real: true }, {
22   take: function take(limit) {
23     return new IteratorProxy({
24       iterator: anObject(this),
25       remaining: toPositiveInteger(limit)
26     });
27   }
28 });