24 lines
		
	
	
		
			747 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
		
		
			
		
	
	
			24 lines
		
	
	
		
			747 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
|  | /** | ||
|  |  * The base implementation of methods like `_.findKey` and `_.findLastKey`, | ||
|  |  * without support for iteratee shorthands, which iterates over `collection` | ||
|  |  * using `eachFunc`. | ||
|  |  * | ||
|  |  * @private | ||
|  |  * @param {Array|Object} collection The collection to inspect. | ||
|  |  * @param {Function} predicate The function invoked per iteration. | ||
|  |  * @param {Function} eachFunc The function to iterate over `collection`. | ||
|  |  * @returns {*} Returns the found element or its key, else `undefined`. | ||
|  |  */ | ||
|  | function baseFindKey(collection, predicate, eachFunc) { | ||
|  |   var result; | ||
|  |   eachFunc(collection, function(value, key, collection) { | ||
|  |     if (predicate(value, key, collection)) { | ||
|  |       result = key; | ||
|  |       return false; | ||
|  |     } | ||
|  |   }); | ||
|  |   return result; | ||
|  | } | ||
|  | 
 | ||
|  | module.exports = baseFindKey; |