vue hello world项目
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

21 lines
707 B

'use strict';
// https://github.com/tc39/proposal-iterator-helpers
var $ = require('../internals/export');
var apply = require('../internals/function-apply');
var anObject = require('../internals/an-object');
var createIteratorProxy = require('../internals/iterator-create-proxy');
var IteratorProxy = createIteratorProxy(function (args) {
var result = anObject(apply(this.next, this.iterator, args));
var done = this.done = !!result.done;
if (!done) return [this.index++, result.value];
});
$({ target: 'Iterator', proto: true, real: true, forced: true }, {
asIndexedPairs: function asIndexedPairs() {
return new IteratorProxy({
iterator: anObject(this),
index: 0
});
}
});