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					19 lines
				
				354 B
			
		
		
			
		
	
	
					19 lines
				
				354 B
			| 
											3 years ago
										 | define(function () { | ||
|  | 
 | ||
|  |   // Returns a function that will only be executed up to (but not including) the
 | ||
|  |   // Nth call.
 | ||
|  |   function before(times, func) { | ||
|  |     var memo; | ||
|  |     return function() { | ||
|  |       if (--times > 0) { | ||
|  |         memo = func.apply(this, arguments); | ||
|  |       } | ||
|  |       if (times <= 1) func = null; | ||
|  |       return memo; | ||
|  |     }; | ||
|  |   } | ||
|  | 
 | ||
|  |   return before; | ||
|  | 
 | ||
|  | }); |