|  | /** | 
						
						
							|  |  * A specialized version of `baseAggregator` for arrays. | 
						
						
							|  |  * | 
						
						
							|  |  * @private | 
						
						
							|  |  * @param {Array} [array] The array to iterate over. | 
						
						
							|  |  * @param {Function} setter The function to set `accumulator` values. | 
						
						
							|  |  * @param {Function} iteratee The iteratee to transform keys. | 
						
						
							|  |  * @param {Object} accumulator The initial aggregated object. | 
						
						
							|  |  * @returns {Function} Returns `accumulator`. | 
						
						
							|  |  */ | 
						
						
							|  | function arrayAggregator(array, setter, iteratee, accumulator) { | 
						
						
							|  |   var index = -1, | 
						
						
							|  |       length = array == null ? 0 : array.length; | 
						
						
							|  | 
 | 
						
						
							|  |   while (++index < length) { | 
						
						
							|  |     var value = array[index]; | 
						
						
							|  |     setter(accumulator, value, iteratee(value), array); | 
						
						
							|  |   } | 
						
						
							|  |   return accumulator; | 
						
						
							|  | } | 
						
						
							|  | 
 | 
						
						
							|  | module.exports = arrayAggregator;
 |