voluptasmollitia/packages-exp/messaging-exp/src/helpers/updateVapidKey.ts

Monorepo for the Firebase JavaScript SDK

/**
 * @license
 * Copyright 2020 Google LLC
 *
 * 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.
 */

import { DEFAULT_VAPID_KEY } from '../util/constants';
import { MessagingService } from '../messaging-service';

export async function updateVapidKey(
  messaging: MessagingService,
  vapidKey?: string | undefined
): Promise<void> {
  if (!!vapidKey) {
    messaging.vapidKey = vapidKey;
  } else if (!messaging.vapidKey) {
    messaging.vapidKey = DEFAULT_VAPID_KEY;
  }
}