https://feedbin.com/service_worker.js

1self.addEventListener("install", event => {
2
3});
4self.addEventListener("activate", event => {
5
6});
7self.addEventListener("fetch", event => {
8
9});
10
11self.addEventListener("push", (event) => {
12  let data = event.data.json();
13  let result = self.registration.showNotification(data.title, data.payload);
14  event.waitUntil(result);
15});
16
17self.addEventListener ("notificationclick", async function (event) {
18  if (event.action) {
19    clients.openWindow(event.action);
20  } else {
21    clients.openWindow(event.notification.data.defaultAction);
22  }
23});