@wulperstudio/cms/legacy/components/MultiFilter/utils/index.js

Wulper Studio Library Components CMS

export var groupByObject = function groupByObject(arr, getKey) {
  var map = {};
  return arr.reduce(function (acc, item) {
    var key = getKey(item);
    if (!acc[key]) {
      acc[key] = [];
    }
    acc[key].push(item);
    return acc;
  }, map);
};