https://fifaphy.vercel.app/sw.js

1// Service worker: red primero con caché de respaldo (funciona offline tras la primera visita)
2const CACHE = 'fm26-v216';
3const ASSETS = [
4  './', 'index.html', 'styles.css', 'app.js', 'i18n.js', 'catalog.js', 'opta_catalog.js', 'extra.js', 'live.js', 'press.js', 'data.js', 'posreal.js', 'ratings.js', 'momentum.js', 'momentum-ui.js', 'tiempos.js', 'tiempos-ui.js', 'tarjetas.js', 'tarjetas-ui.js', 'ratings-ui.js', 'arbitros.js', 'arbitros-ui.js', 'analisisTactico.js', 'analisisTactico-ui.js', 'secuencias.js', 'secuencias-ui.js', 'scatter-ui.js', 'bracket-ui.js', 'xg.js', 'xg-ui.js', 'goles.js', 'penaltis.js', 'penaltis-ui.js', 'goles3d-ui.js', 'goles3d.html',
5  'icon.svg', 'icon-192.png', 'icon-512.png', 'logo.avif', 'logo22.avif', 'manifest.json',
6];
7
8self.addEventListener('install', e => {
9  e.waitUntil(
10    caches.open(CACHE)
11      .then(c => Promise.all(
12        ASSETS.map(url =>
13          fetch(new Request(url, { cache: 'reload' }))
14            .then(res => c.put(url, res))
15            .catch(() => {})
16        )
17      ))
18      .then(() => self.skipWaiting())
19  );
20});
21
22self.addEventListener('activate', e => {
23  e.waitUntil(
24    caches.keys()
25      .then(keys => Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k))))
26      .then(() => self.clients.claim())
27  );
28});
29
30self.addEventListener('fetch', e => {
31  if (e.request.method !== 'GET') return;
32  e.respondWith(
33    fetch(e.request)
34      .then(res => {
35        const copy = res.clone();
36        caches.open(CACHE).then(c => c.put(e.request, copy)).catch(() => {});
37        return res;
38      })
39      .catch(() => caches.match(e.request))
40  );
41});
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