doc_views_registry.ts

/*
 * 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 { auto } from 'angular';
import { convertDirectiveToRenderFn } from './doc_views_helpers';
import { DocView, DocViewInput, ElasticSearchHit, DocViewInputFn } from './doc_views_types';

export class DocViewsRegistry {
  private docViews: DocView[] = [];
  private angularInjectorGetter: (() => Promise<auto.IInjectorService>) | null = null;

  setAngularInjectorGetter = (injectorGetter: () => Promise<auto.IInjectorService>) => {
    this.angularInjectorGetter = injectorGetter;
  };

  /**
   * Extends and adds the given doc view to the registry array
   */
  addDocView(docViewRaw: DocViewInput | DocViewInputFn) {
    const docView = typeof docViewRaw === 'function' ? docViewRaw() : docViewRaw;
    if (docView.directive) {
      // convert angular directive to render function for backwards compatibility
      docView.render = convertDirectiveToRenderFn(docView.directive, () => {
        if (!this.angularInjectorGetter) {
          throw new Error('Angular was not initialized');
        }
        return this.angularInjectorGetter();
      });
    }
    if (typeof docView.shouldShow !== 'function') {
      docView.shouldShow = () => true;
    }
    this.docViews.push(docView as DocView);
  }
  /**
   * Returns a sorted array of doc_views for rendering tabs
   */
  getDocViewsSorted(hit: ElasticSearchHit) {
    return this.docViews
      .filter((docView) => docView.shouldShow(hit))
      .sort((a, b) => (Number(a.order) > Number(b.order) ? 1 : -1));
  }
}