| 'use strict'; | |
| // https://github.com/tc39/proposal-iterator-helpers | |
| var $ = require('../internals/export'); | |
| var iterate = require('../internals/iterate'); | |
| var aFunction = require('../internals/a-function'); | |
| var anObject = require('../internals/an-object'); | |
| $({ target: 'Iterator', proto: true, real: true }, { | |
| every: function every(fn) { | |
| anObject(this); | |
| aFunction(fn); | |
| return !iterate(this, function (value) { | |
| if (!fn(value)) return iterate.stop(); | |
| }, undefined, false, true).stopped; | |
| } | |
| }); |