| import env from '../core/env.js'; | 
| var requestAnimationFrame; | 
| requestAnimationFrame = (env.hasGlobalWindow | 
|     && ((window.requestAnimationFrame && window.requestAnimationFrame.bind(window)) | 
|         || (window.msRequestAnimationFrame && window.msRequestAnimationFrame.bind(window)) | 
|         || window.mozRequestAnimationFrame | 
|         || window.webkitRequestAnimationFrame)) || function (func) { | 
|     return setTimeout(func, 16); | 
| }; | 
| export default requestAnimationFrame; |