1 var baseEach = require('./_baseEach');
4 * Aggregates elements of `collection` on `accumulator` with keys transformed
5 * by `iteratee` and values set by `setter`.
8 * @param {Array|Object} collection The collection to iterate over.
9 * @param {Function} setter The function to set `accumulator` values.
10 * @param {Function} iteratee The iteratee to transform keys.
11 * @param {Object} accumulator The initial aggregated object.
12 * @returns {Function} Returns `accumulator`.
14 function baseAggregator(collection, setter, iteratee, accumulator) {
15 baseEach(collection, function(value, key, collection) {
16 setter(accumulator, value, iteratee(value), collection);
21 module.exports = baseAggregator;