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Viewing: sw.js

/* Simple PWA Service Worker */
const CACHE_VERSION = 'v1.0.0-' + (self.registration ? self.registration.scope : 'local');
const STATIC_CACHE = 'dcurriculum-static-' + CACHE_VERSION;
const RUNTIME_CACHE = 'dcurriculum-runtime-' + CACHE_VERSION;

const APP_SHELL = [
  './',
  './index.php',
  './manifest.webmanifest',
  './assets/css/style.css',
  './assets/js/main.js',
  './assets/img/ico/favicon2.png',
  './assets/img/ico/cv-favicon.svg'
];

self.addEventListener('install', event => {
  event.waitUntil(
    caches.open(STATIC_CACHE).then(cache => cache.addAll(APP_SHELL)).then(() => self.skipWaiting())
  );
});

self.addEventListener('activate', event => {
  event.waitUntil(
    caches.keys().then(keys => Promise.all(
      keys.filter(k => ![STATIC_CACHE, RUNTIME_CACHE].includes(k)).map(k => caches.delete(k))
    )).then(() => self.clients.claim())
  );
});

self.addEventListener('fetch', event => {
  const req = event.request;
  if (req.method !== 'GET') return;

  const url = new URL(req.url);

  // Navigation requests: network-first
  if (req.mode === 'navigate') {
    event.respondWith(networkFirst(req));
    return;
  }

  // Same-origin static assets: stale-while-revalidate
  if (url.origin === location.origin && (url.pathname.includes('/assets/') || url.pathname.endsWith('.css') || url.pathname.endsWith('.js') || url.pathname.endsWith('.png') || url.pathname.endsWith('.jpg') || url.pathname.endsWith('.jpeg') || url.pathname.endsWith('.svg') || url.pathname.endsWith('.webp'))) {
    event.respondWith(staleWhileRevalidate(req));
    return;
  }

  // Fallback: try cache, then network
  event.respondWith(cacheFirst(req));
});

async function networkFirst(req) {
  const cache = await caches.open(RUNTIME_CACHE);
  try {
    const fresh = await fetch(req);
    cache.put(req, fresh.clone());
    return fresh;
  } catch (e) {
    const cached = await cache.match(req) || await caches.match(req);
    return cached || new Response('Offline', { status: 503, statusText: 'Offline' });
  }
}

async function cacheFirst(req) {
  const cached = await caches.match(req);
  return cached || fetch(req);
}

async function staleWhileRevalidate(req) {
  const cache = await caches.open(RUNTIME_CACHE);
  const cached = await cache.match(req);
  const networkFetch = fetch(req).then(res => {
    cache.put(req, res.clone());
    return res;
  }).catch(() => undefined);
  return cached || networkFetch || fetch(req);
}
User / IP	: 216.73.217.33
Host / Server	: 45.84.207.204 / aircan.me
System	: Linux lt-bnk-web1726.main-hosting.eu 5.14.0-611.36.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Tue Mar 3 11:23:52 EST 2026 x86_64