.gitignore added
[dotfiles/.git] / .config / coc / extensions / node_modules / coc-prettier / node_modules / core-js / modules / esnext.iterator.map.js
1 'use strict';
2 // https://github.com/tc39/proposal-iterator-helpers
3 var $ = require('../internals/export');
4 var aFunction = require('../internals/a-function');
5 var anObject = require('../internals/an-object');
6 var createIteratorProxy = require('../internals/iterator-create-proxy');
7 var callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');
8
9 var IteratorProxy = createIteratorProxy(function (arg) {
10   var iterator = this.iterator;
11   var result = anObject(this.next.call(iterator, arg));
12   var done = this.done = !!result.done;
13   if (!done) return callWithSafeIterationClosing(iterator, this.mapper, result.value);
14 });
15
16 $({ target: 'Iterator', proto: true, real: true }, {
17   map: function map(mapper) {
18     return new IteratorProxy({
19       iterator: anObject(this),
20       mapper: aFunction(mapper)
21     });
22   }
23 });