https://my-live.netlify.app/sw.js

1const CACHE_NAME = 'life-tracker-v1';
2const urlsToCache = [
3    './',
4    './index.html',
5    './styles.css',
6    './app.js',
7    './manifest.json',
8    './icon-192.png',
9    './icon-512.png'
10];
11
12// Install
13self.addEventListener('install', event => {
14    event.waitUntil(
15        caches.open(CACHE_NAME)
16            .then(cache => cache.addAll(urlsToCache))
17    );
18    self.skipWaiting();
19});
20
21// Activate
22self.addEventListener('activate', event => {
23    event.waitUntil(
24        caches.keys().then(cacheNames => {
25            return Promise.all(
26                cacheNames.filter(name => name !== CACHE_NAME)
27                    .map(name => caches.delete(name))
28            );
29        })
30    );
31    self.clients.claim();
32});
33
34// Fetch
35self.addEventListener('fetch', event => {
36    event.respondWith(
37        caches.match(event.request)
38            .then(response => response || fetch(event.request))
39    );
40});
41
42// Notification click
43self.addEventListener('notificationclick', event => {
44    event.notification.close();
45    event.waitUntil(
46        clients.openWindow('/')
47    );
48});