https://www.gpttranslator.co/sw.js

1self.addEventListener("push", (event) => {
2   const data = event.data.json();
3
4   const options = {
5      body: data.body,
6      icon: data.icon || "/icon.png",
7      badge: "/badge.png",
8      data: {
9         url: data.url || "/",
10      },
11   };
12
13   event.waitUntil(self.registration.showNotification(data.title, options));
14});
15
16self.addEventListener("notificationclick", (event) => {
17   event.notification.close();
18
19   event.waitUntil(
20      clients
21         .matchAll({ type: "window", includeUncontrolled: true })
22         .then((clientList) => {
23            if (clientList.length > 0) {
24               clientList[0].focus();
25               clientList[0].navigate(event.notification.data.url);
26            } else {
27               clients.openWindow(event.notification.data.url);
28            }
29         })
30   );
31});