login/node_modules/underscore/amd/groupBy.js
2023-12-01 11:10:44 +08:00

11 lines
361 B
JavaScript

define(['./_has', './_group'], function (_has, _group) {
// 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;
});