service-worker.js

const cacheName = 'nominard-cache-v1';
const filesToCache = [
  '/',
  '/index.html',
  '/style.css',
  '/app.js',
  '/img/logo.svg'
];

self.addEventListener('install', function (e) {
  e.waitUntil(
    caches.open(cacheName).then(function (cache) {
      return cache.addAll(filesToCache);
    })
  );
});

self.addEventListener('fetch', function (e) {
  e.respondWith(
    caches.match(e.request).then(function (response) {
      return response || fetch(e.request);
    })
  );
});