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					43 lines
				
				960 B
			
		
		
			
		
	
	
					43 lines
				
				960 B
			| 
											3 years ago
										 | (function (global, factory) { | ||
|  |   typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : | ||
|  |   typeof define === 'function' && define.amd ? define(factory) : | ||
|  |   (global = global || self, global.rafSchd = factory()); | ||
|  | }(this, function () { 'use strict'; | ||
|  | 
 | ||
|  |   var rafSchd = function rafSchd(fn) { | ||
|  |     var lastArgs = []; | ||
|  |     var frameId = null; | ||
|  | 
 | ||
|  |     var wrapperFn = function wrapperFn() { | ||
|  |       for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) { | ||
|  |         args[_key] = arguments[_key]; | ||
|  |       } | ||
|  | 
 | ||
|  |       lastArgs = args; | ||
|  | 
 | ||
|  |       if (frameId) { | ||
|  |         return; | ||
|  |       } | ||
|  | 
 | ||
|  |       frameId = requestAnimationFrame(function () { | ||
|  |         frameId = null; | ||
|  |         fn.apply(void 0, lastArgs); | ||
|  |       }); | ||
|  |     }; | ||
|  | 
 | ||
|  |     wrapperFn.cancel = function () { | ||
|  |       if (!frameId) { | ||
|  |         return; | ||
|  |       } | ||
|  | 
 | ||
|  |       cancelAnimationFrame(frameId); | ||
|  |       frameId = null; | ||
|  |     }; | ||
|  | 
 | ||
|  |     return wrapperFn; | ||
|  |   }; | ||
|  | 
 | ||
|  |   return rafSchd; | ||
|  | 
 | ||
|  | })); |