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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module.exports = baseFindKey;
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