7fife-backend/node_modules/underscore/amd/groupBy.js

12 lines
361 B
JavaScript

define(['./_group', './_has'], function (_group, _has) {
// Groups the object's values by a criterion. Pass either a string attribute
// to group by, or a function that returns the criterion.
var groupBy = _group(function(result, value, key) {
if (_has(result, key)) result[key].push(value); else result[key] = [value];
});
return groupBy;
});