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

9 lines
331 B
JavaScript

import group from './_group.js';
import has from './_has.js';
// Groups the object's values by a criterion. Pass either a string attribute
// to group by, or a function that returns the criterion.
export default group(function(result, value, key) {
if (has(result, key)) result[key].push(value); else result[key] = [value];
});