basant307/AI_Governance_Project

1var arrayReduce = require('./_arrayReduce'),2    baseEach = require('./_baseEach'),3    baseIteratee = require('./_baseIteratee'),4    baseReduce = require('./_baseReduce'),5    isArray = require('./isArray');6 7/**8 * Reduces `collection` to a value which is the accumulated result of running9 * each element in `collection` thru `iteratee`, where each successive10 * invocation is supplied the return value of the previous. If `accumulator`11 * is not given, the first element of `collection` is used as the initial12 * value. The iteratee is invoked with four arguments:13 * (accumulator, value, index|key, collection).14 *15 * Many lodash methods are guarded to work as iteratees for methods like16 * `_.reduce`, `_.reduceRight`, and `_.transform`.17 *18 * The guarded methods are:19 * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,20 * and `sortBy`21 *22 * @static23 * @memberOf _24 * @since 0.1.025 * @category Collection26 * @param {Array|Object} collection The collection to iterate over.27 * @param {Function} [iteratee=_.identity] The function invoked per iteration.28 * @param {*} [accumulator] The initial value.29 * @returns {*} Returns the accumulated value.30 * @see _.reduceRight31 * @example32 *33 * _.reduce([1, 2], function(sum, n) {34 *   return sum + n;35 * }, 0);36 * // => 337 *38 * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {39 *   (result[value] || (result[value] = [])).push(key);40 *   return result;41 * }, {});42 * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)43 */44function reduce(collection, iteratee, accumulator) {45  var func = isArray(collection) ? arrayReduce : baseReduce,46      initAccum = arguments.length < 3;47 48  return func(collection, baseIteratee(iteratee, 4), accumulator, initAccum, baseEach);49}50 51module.exports = reduce;52