const CACHE_NAME = 'my-cache-v1';

// List of files to be cached
const urlsToCache = [
  '/',
  './index.jsx',
];

// Install the service worker
self.addEventListener('install', (event) => {
  event.waitUntil(
    caches.open(CACHE_NAME).then((cache) => {
      return cache.addAll(urlsToCache);
    })
  );
});

// Activate the service worker
self.addEventListener('activate', (event) => {
  const cacheWhitelist = [CACHE_NAME];

  event.waitUntil(
    caches.keys().then((cacheNames) => {
      return Promise.all(
        cacheNames.map((name) => {
          if (cacheWhitelist.indexOf(name) === -1) {
            return caches.delete(name);
          }
          return null;
        })
      );
    })
  );
});

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