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Viewing: service-worker.js

const CACHE_NAME = 'piscina-manantial-v5';
const ASSETS_TO_CACHE = [
  './index.html',
  './site_publico/css/tailwind.css',
  './site_publico/js/app.js',
  './public/img/logo.png',
  './manifest.json'
];

// Instalación: cachear assets estáticos
self.addEventListener('install', (event) => {
  console.log('[SW] Instalando Service Worker...');
  event.waitUntil(
    caches.open(CACHE_NAME)
      .then((cache) => {
        console.log('[SW] Cacheando assets');
        return cache.addAll(ASSETS_TO_CACHE);
      })
      .then(() => self.skipWaiting())
  );
});

// Activación: limpiar cachés antiguos
self.addEventListener('activate', (event) => {
  console.log('[SW] Activando Service Worker...');
  event.waitUntil(
    caches.keys().then((cacheNames) => {
      return Promise.all(
        cacheNames
          .filter((name) => name !== CACHE_NAME)
          .map((name) => {
            console.log('[SW] Eliminando cache antigua:', name);
            return caches.delete(name);
          })
      );
    }).then(() => self.clients.claim())
  );
});

// Fetch: estrategia Network First con Cache Fallback
self.addEventListener('fetch', (event) => {
  // Solo cachear peticiones GET
  if (event.request.method !== 'GET') return;

  // Ignorar peticiones externas y APIs dinámicas
  const url = new URL(event.request.url);
  if (!url.origin.includes(location.origin) && !url.pathname.includes('/piscina/')) {
    return;
  }

  event.respondWith(
    fetch(event.request)
      .then((response) => {
        // Si la respuesta es válida, guardarla en cache
        if (response && response.status === 200) {
          const responseClone = response.clone();
          caches.open(CACHE_NAME).then((cache) => {
            cache.put(event.request, responseClone);
          });
        }
        return response;
      })
      .catch(() => {
        // Si falla la red, intentar servir desde cache
        return caches.match(event.request).then((cachedResponse) => {
          if (cachedResponse) {
            return cachedResponse;
          }
          // Si no hay cache, devolver página offline básica
          if (event.request.headers.get('accept').includes('text/html')) {
            return caches.match('./index.html');
          }
        });
      })
  );
});

// Manejo de mensajes desde el cliente
self.addEventListener('message', (event) => {
  if (event.data && event.data.type === 'SKIP_WAITING') {
    self.skipWaiting();
  }
});
User / IP	: 216.73.216.217
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