{"ast":null,"code":"import arrayReduce from './_arrayReduce.js';\nimport baseEach from './_baseEach.js';\nimport baseIteratee from './_baseIteratee.js';\nimport baseReduce from './_baseReduce.js';\nimport isArray from './isArray.js';\n\n/**\n * Reduces `collection` to a value which is the accumulated result of running\n * each element in `collection` thru `iteratee`, where each successive\n * invocation is supplied the return value of the previous. If `accumulator`\n * is not given, the first element of `collection` is used as the initial\n * value. The iteratee is invoked with four arguments:\n * (accumulator, value, index|key, collection).\n *\n * Many lodash methods are guarded to work as iteratees for methods like\n * `_.reduce`, `_.reduceRight`, and `_.transform`.\n *\n * The guarded methods are:\n * `assign`, `defaults`, `defaultsDeep`, `includes`, `merge`, `orderBy`,\n * and `sortBy`\n *\n * @static\n * @memberOf _\n * @since 0.1.0\n * @category Collection\n * @param {Array|Object} collection The collection to iterate over.\n * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n * @param {*} [accumulator] The initial value.\n * @returns {*} Returns the accumulated value.\n * @see _.reduceRight\n * @example\n *\n * _.reduce([1, 2], function(sum, n) {\n *   return sum + n;\n * }, 0);\n * // => 3\n *\n * _.reduce({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n *   (result[value] || (result[value] = [])).push(key);\n *   return result;\n * }, {});\n * // => { '1': ['a', 'c'], '2': ['b'] } (iteration order is not guaranteed)\n */\nfunction reduce(collection, iteratee, accumulator) {\n  var func = isArray(collection) ? arrayReduce : baseReduce,\n    initAccum = arguments.length < 3;\n  return func(collection, baseIteratee(iteratee, 4), accumulator, initAccum, baseEach);\n}\nexport default reduce;","map":null,"metadata":{},"sourceType":"module","externalDependencies":[]}