Current section

Files

Jump to
excessibility assets node_modules underscore amd countBy.js
Raw

assets/node_modules/underscore/amd/countBy.js

define(['./_has', './_group'], function (_has, _group) {
// Counts instances of an object that group by a certain criterion. Pass
// either a string attribute to count by, or a function that returns the
// criterion.
var countBy = _group(function(result, value, key) {
if (_has(result, key)) result[key]++; else result[key] = 1;
});
return countBy;
});