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