| 'use strict'; | 
| var $ = require('../internals/export'); | 
| var anObject = require('../internals/an-object'); | 
| var AsyncFromSyncIterator = require('../internals/async-from-sync-iterator'); | 
| var WrapAsyncIterator = require('../internals/async-iterator-wrap'); | 
| var getIteratorDirect = require('../internals/get-iterator-direct'); | 
| var IS_PURE = require('../internals/is-pure'); | 
|   | 
| // `Iterator.prototype.toAsync` method | 
| // https://github.com/tc39/proposal-async-iterator-helpers | 
| $({ target: 'Iterator', proto: true, real: true, forced: IS_PURE }, { | 
|   toAsync: function toAsync() { | 
|     return new WrapAsyncIterator(getIteratorDirect(new AsyncFromSyncIterator(getIteratorDirect(anObject(this))))); | 
|   } | 
| }); |