1 var baseFlatten = require(
'./_baseFlatten'),
2 baseOrderBy = require(
'./_baseOrderBy'),
3 baseRest = require(
'./_baseRest'),
4 isIterateeCall = require(
'./_isIterateeCall');
35 var sortBy = baseRest(
function(collection, iteratees) {
36 if (collection == null) {
39 var length = iteratees.length;
40 if (length > 1 && isIterateeCall(collection, iteratees[0], iteratees[1])) {
42 }
else if (length > 2 && isIterateeCall(iteratees[0], iteratees[1], iteratees[2])) {
43 iteratees = [iteratees[0]];
45 return baseOrderBy(collection, baseFlatten(iteratees, 1), []);
48 module.exports = sortBy;