kibana-123/src/ui/public/filters/unique.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

import _ from 'lodash';
import uiModules from 'ui/modules';
// Filters out all duplicate items in an array

uiModules
  .get('kibana')
  .filter('unique', function () {
    return function (arr) {
      let list = _.unique(arr);
      return list;
    };
  });