|  | var arrayAggregator = require('./_arrayAggregator'), | 
						
						
							|  |     baseAggregator = require('./_baseAggregator'), | 
						
						
							|  |     baseIteratee = require('./_baseIteratee'), | 
						
						
							|  |     isArray = require('./isArray'); | 
						
						
							|  | 
 | 
						
						
							|  | /** | 
						
						
							|  |  * Creates a function like `_.groupBy`. | 
						
						
							|  |  * | 
						
						
							|  |  * @private | 
						
						
							|  |  * @param {Function} setter The function to set accumulator values. | 
						
						
							|  |  * @param {Function} [initializer] The accumulator object initializer. | 
						
						
							|  |  * @returns {Function} Returns the new aggregator function. | 
						
						
							|  |  */ | 
						
						
							|  | function createAggregator(setter, initializer) { | 
						
						
							|  |   return function(collection, iteratee) { | 
						
						
							|  |     var func = isArray(collection) ? arrayAggregator : baseAggregator, | 
						
						
							|  |         accumulator = initializer ? initializer() : {}; | 
						
						
							|  | 
 | 
						
						
							|  |     return func(collection, setter, baseIteratee(iteratee, 2), accumulator); | 
						
						
							|  |   }; | 
						
						
							|  | } | 
						
						
							|  | 
 | 
						
						
							|  | module.exports = createAggregator;
 |