IPFS-portal-deploy/public/sw.js

/* ── IPFS Portal Service Worker ──
 * Minimal offline cache for static assets.
 * Auto-generated — do not edit manually.
 */
const CACHE = 'ipfs-portal-v1';
const PRECACHE = ['/', '/manifest.json', '/favicon.svg'];

self.addEventListener('install', (e) => {
  e.waitUntil(
    caches.open(CACHE).then((c) => c.addAll(PRECACHE)).then(() => self.skipWaiting()),
  );
});

self.addEventListener('activate', (e) => {
  e.waitUntil(
    caches.keys().then((keys) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k)))),
  );
});

self.addEventListener('fetch', (e) => {
  if (e.request.method !== 'GET') return;
  e.respondWith(
    caches.match(e.request).then((cached) => cached || fetch(e.request).then((res) => {
      if (res.ok && res.url.startsWith(self.location.origin)) {
        const clone = res.clone();
        caches.open(CACHE).then((c) => c.put(e.request, clone));
      }
      return res;
    })),
  );
});