/**
 * lodash 3.0.0 (Custom Build) <https://lodash.com/>
 * Build: `lodash modern modularize exports="npm" -o ./`
 * Copyright 2012-2015 The Dojo Foundation <http://dojofoundation.org/>
 * Based on Underscore.js 1.7.0 <http://underscorejs.org/LICENSE>
 * Copyright 2009-2015 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
 * Available under MIT license <https://lodash.com/license>
 */

/**
 * The base implementation of `_.reduce` and `_.reduceRight` without support
 * for callback shorthands or `this` binding, which iterates over `collection`
 * using the provided `eachFunc`.
 *
 * @private
 * @param {Array|Object|string} collection The collection to iterate over.
 * @param {Function} iteratee The function invoked per iteration.
 * @param {*} accumulator The initial value.
 * @param {boolean} initFromCollection Specify using the first or last element
 *  of `collection` as the initial value.
 * @param {Function} eachFunc The function to iterate over `collection`.
 * @returns {*} Returns the accumulated value.
 */
function baseReduce(collection, iteratee, accumulator, initFromCollection, eachFunc) {
  eachFunc(collection, function(value, index, collection) {
    accumulator = initFromCollection
      ? (initFromCollection = false, value)
      : iteratee(accumulator, value, index, collection)
  });
  return accumulator;
}

module.exports = baseReduce;