sw.js

const CACHE_NAME = "np-complete-lab-v1.2-shared-settings";
const ASSETS = [
  "index.html",
  "styles.css",
  "app.js",
  "manifest.webmanifest",
  "np-douce-logo.png"
];

self.addEventListener("install", event => {
  event.waitUntil(caches.open(CACHE_NAME).then(cache => cache.addAll(ASSETS)));
});

self.addEventListener("activate", event => {
  event.waitUntil(
    caches.keys().then(keys =>
      Promise.all(keys.filter(key => key !== CACHE_NAME).map(key => caches.delete(key)))
    )
  );
});

self.addEventListener("fetch", event => {
  event.respondWith(
    caches.match(event.request).then(cached => cached || fetch(event.request))
  );
});