ui_apps_mixin.js

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

import { UiApp } from './ui_app';

/**
 * @typedef {import('../../server/kbn_server').default} KbnServer
 */

/**
 *
 * @param {KbnServer} kbnServer
 * @param {KbnServer['server']} server
 */
export function uiAppsMixin(kbnServer, server) {
  const { uiAppSpecs = [] } = kbnServer.uiExports;
  const existingIds = new Set();
  const appsById = new Map();
  const hiddenAppsById = new Map();

  kbnServer.uiApps = uiAppSpecs.map(spec => {
    const app = new UiApp(kbnServer, spec);
    const id = app.getId();

    if (!existingIds.has(id)) {
      existingIds.add(id);
    } else {
      throw new Error(`Unable to create two apps with the id ${id}.`);
    }

    if (app.isHidden()) {
      hiddenAppsById.set(id, app);
    } else {
      appsById.set(id, app);
    }

    return app;
  });

  server.decorate('server', 'getAllUiApps', () => kbnServer.uiApps.slice(0));
  server.decorate('server', 'getUiAppById', id => appsById.get(id));
  server.decorate('server', 'getHiddenUiAppById', id => hiddenAppsById.get(id));
  server.decorate('server', 'injectUiAppVars', (appId, provider) =>
    kbnServer.newPlatform.__internals.legacy.injectUiAppVars(appId, provider)
  );
  server.decorate(
    'server',
    'getInjectedUiAppVars',
    async appId => await kbnServer.newPlatform.__internals.legacy.getInjectedUiAppVars(appId)
  );
}