_createAggregator.js
df143e4977c6master

_createAggregator.js
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			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;