https://www.wacaregivingjourney.com/firebase-messaging-sw.js

1self.addEventListener('notificationclick', (event) => {
2  event.notification.close();
3  event.stopImmediatePropagation();
4  const data = event.notification.data || {};
5  const targetUrl = data.target_url || (data.FCM_MSG && data.FCM_MSG.data && data.FCM_MSG.data.target_url);
6  if (targetUrl) {
7    event.waitUntil(clients.openWindow(new URL(targetUrl, self.location.origin).href));
8  }
9});
10importScripts('https://www.gstatic.com/firebasejs/12.17.1/firebase-app-compat.js');
11importScripts('https://www.gstatic.com/firebasejs/12.17.1/firebase-messaging-compat.js');
12firebase.initializeApp({"apiKey":"AIzaSyBId6JbO0jjmd2CENH2mXTSnzB8zk4GDxI","authDomain":"trualta-notifications.firebaseapp.com","projectId":"trualta-notifications","messagingSenderId":"955236814163","appId":"1:955236814163:web:5006d7e0b55742b188e5a6"});
13const messaging = firebase.messaging();
14const notificationIcon = "https:\/\/assets.trualta.com\/apple-touch-icon.png";
15messaging.onBackgroundMessage((payload) => {
16  const data = payload.data || {};
17  const title = data.title || 'Trualta';
18  const body = data.body || '';
19  const icon = data.icon || notificationIcon;
20  return self.registration.showNotification(title, {
21    body,
22    icon,
23    badge: icon,
24    tag: data.notification_id || 'trualta',
25    data,
26  });
27});
28self.addEventListener('install', () => self.skipWaiting());
29self.addEventListener('activate', (event) => event.waitUntil(self.clients.claim()));