const CACHE_NAME = 'nexus-v1.1';
const ASSETS_TO_CACHE = [
  '/',
  '/index.html',
  '/app.js',
  '/style.css',
  '/manifest.json',
  '/icons/icon-192x192.png',
  '/icons/icon-512x512.png'
];

self.addEventListener('install', (event) => {
  event.waitUntil(
    caches.open(CachedName).then(cache => {
      return cache.addAll(ASSETS_TO_CACHE);
    })
  );
});

self.addEventListener('fetch', (event) => {
  event.respondWith(
    caches.match(event.request).then(response => {
      return response || fetch(event.request);
    })
  );
});