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- var arrayMap = require('./_arrayMap'),
- baseGet = require('./_baseGet'),
- baseIteratee = require('./_baseIteratee'),
- baseMap = require('./_baseMap'),
- baseSortBy = require('./_baseSortBy'),
- baseUnary = require('./_baseUnary'),
- compareMultiple = require('./_compareMultiple'),
- identity = require('./identity'),
- isArray = require('./isArray');
- /**
- * The base implementation of `_.orderBy` without param guards.
- *
- * @private
- * @param {Array|Object} collection The collection to iterate over.
- * @param {Function[]|Object[]|string[]} iteratees The iteratees to sort by.
- * @param {string[]} orders The sort orders of `iteratees`.
- * @returns {Array} Returns the new sorted array.
- */
- function baseOrderBy(collection, iteratees, orders) {
- if (iteratees.length) {
- iteratees = arrayMap(iteratees, function(iteratee) {
- if (isArray(iteratee)) {
- return function(value) {
- return baseGet(value, iteratee.length === 1 ? iteratee[0] : iteratee);
- }
- }
- return iteratee;
- });
- } else {
- iteratees = [identity];
- }
- var index = -1;
- iteratees = arrayMap(iteratees, baseUnary(baseIteratee));
- var result = baseMap(collection, function(value, key, collection) {
- var criteria = arrayMap(iteratees, function(iteratee) {
- return iteratee(value);
- });
- return { 'criteria': criteria, 'index': ++index, 'value': value };
- });
- return baseSortBy(result, function(object, other) {
- return compareMultiple(object, other, orders);
- });
- }
- module.exports = baseOrderBy;
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