'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 }, { | |
find: function find(fn) { | |
anObject(this); | |
aFunction(fn); | |
return iterate(this, function (value) { | |
if (fn(value)) return iterate.stop(value); | |
}, undefined, false, true).result; | |
} | |
}); |