@spalger/kibana/src/server/http/getDefaultRoute.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

let _ = require('lodash');

module.exports = _.once(function (kbnServer) {
  // user configured default route
  let defaultConfig = kbnServer.config.get('server.defaultRoute');
  if (defaultConfig) return defaultConfig;

  // redirect to the single app
  if (kbnServer.uiExports.apps.length === 1) {
    return `/app/${kbnServer.uiExports.apps[0].id}`;
  }

  return '/apps';
});