27 lines
		
	
	
		
			633 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			27 lines
		
	
	
		
			633 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | var memoize = require('./memoize'); | ||
|  | 
 | ||
|  | /** Used as the maximum memoize cache size. */ | ||
|  | var MAX_MEMOIZE_SIZE = 500; | ||
|  | 
 | ||
|  | /** | ||
|  |  * A specialized version of `_.memoize` which clears the memoized function's | ||
|  |  * cache when it exceeds `MAX_MEMOIZE_SIZE`. | ||
|  |  * | ||
|  |  * @private | ||
|  |  * @param {Function} func The function to have its output memoized. | ||
|  |  * @returns {Function} Returns the new memoized function. | ||
|  |  */ | ||
|  | function memoizeCapped(func) { | ||
|  |   var result = memoize(func, function(key) { | ||
|  |     if (cache.size === MAX_MEMOIZE_SIZE) { | ||
|  |       cache.clear(); | ||
|  |     } | ||
|  |     return key; | ||
|  |   }); | ||
|  | 
 | ||
|  |   var cache = result.cache; | ||
|  |   return result; | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = memoizeCapped; |