polygerrit-ui/app/elements/change-list/gr-repo-header/gr-repo-header.js

/**
 * @license
 * Copyright (C) 2018 The Android Open Source Project
 *
 * Licensed 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.
 */
(function() {
  'use strict';

  /** @extends Polymer.Element */
  class GrRepoHeader extends Polymer.GestureEventListeners(
      Polymer.LegacyElementMixin(
          Polymer.Element)) {
    static get is() { return 'gr-repo-header'; }

    static get properties() {
      return {
      /** @type {?string} */
        repo: {
          type: String,
          observer: '_repoChanged',
        },
        /** @type {string|null} */
        _repoUrl: String,
      };
    }

    _repoChanged(repoName) {
      if (!repoName) {
        this._repoUrl = null;
        return;
      }
      this._repoUrl = Gerrit.Nav.getUrlForRepo(repoName);
    }
  }

  customElements.define(GrRepoHeader.is, GrRepoHeader);
})();