https://dewabet.id/sw.js?id=870db049409bea43cc8e

1var UA = '';
2
3self.addEventListener('install', event => {
4  self.skipWaiting();
5});
6
7self.addEventListener("message", function(event) {
8  UA = event.data;
9}, false);
10
11self.addEventListener('push', function (event) {
12  if (!(self.Notification && self.Notification.permission === 'granted')) {
13    return;
14  }
15
16  const sendNotification = params => {
17    const notif = JSON.parse(params);
18    const title = notif.title;
19    const body = notif.body;
20    const icon = notif.icon;
21    const data = {
22      open: notif.data.open,
23      click: (UA == 'mobile' ? notif.data.click_mobile : notif.data.click_desktop)
24    };
25
26    fetch(data.open);
27
28    return self.registration.showNotification(title, {
29      body: body,
30      icon: icon,
31      data: data
32    });
33  };
34
35  if (event.data) {
36    const message = event.data.text();
37    event.waitUntil(sendNotification(message));
38  }
39});
40
41self.addEventListener('notificationclick', function(event) {
42  let url = event.notification.data.click;
43  if (url.indexOf('BASE_URL') > -1) {
44    url = url.replace('BASE_URL', encodeURIComponent(self.location.origin));
45  }
46  event.notification.close(); // Android needs explicit close.
47  event.waitUntil(
48      clients.matchAll({type: 'window'}).then( windowClients => {
49          // Open the target URL in a new window/tab.
50          if (clients.openWindow) {
51              return clients.openWindow(url);
52          }
53      })
54  );
55});