https://yvenerduroseau.netlify.app/service-worker.js

1/* eslint-disable array-callback-return */
2/* eslint-disable no-restricted-globals */
3// Installing service worker
4const CACHE_NAME = "Yvener Duroseau";
5
6/* Add relative URL of all the static content you want to store in
7 * cache storage (this will help us use our app offline)*/
8let resourcesToCache = ["/bg-img.jpg"];
9
10self.addEventListener("install", (e) => {
11	e.waitUntil(
12		caches.open(CACHE_NAME).then((cache) => {
13			return cache.addAll(resourcesToCache);
14		}),
15	);
16});
17// Cache and return requests
18self.addEventListener("fetch", (e) => {
19	e.respondWith(
20		caches.match(e.request).then((response) => {
21			return response || fetch(e.request);
22		}),
23	);
24});
25
26// Update a service worker
27const cacheWhitelist = ["Yvener Duroseau"];
28self.addEventListener("activate", (event) => {
29	event.waitUntil(
30		caches.keys().then((cacheNames) => {
31			return Promise.all(
32				cacheNames.map((cacheName) => {
33					if (cacheWhitelist.indexOf(cacheName) === -1) {
34						return caches.delete(cacheName);
35					}
36				}),
37			);
38		}),
39	);
40});