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| // JAYNES MAX — Service Worker | |
| // Hifadhi "app shell" + maktaba za Shaka/hls ili app ifunguke hata bila mtandao. | |
| // API, video na streams HAZIHIFADHIWI (zinahitaji mtandao). Movie zilizopakuliwa ziko OPFS ndani ya app. | |
| const VERSION = 'jm-v9'; | |
| const RUNTIME = 'jm-cdn-v1'; | |
| const SHELL = ['./', './index.html', './manifest.webmanifest', './config.js', './icon-192.png', './icon-512.png', './icon-maskable-512.png', './apple-touch-icon.png']; | |
| const CDN_HOST = 'cdnjs.cloudflare.com'; | |
| const CDN = [ | |
| 'https://cdnjs.cloudflare.com/ajax/libs/hls.js/1.5.13/hls.min.js', | |
| 'https://cdnjs.cloudflare.com/ajax/libs/shaka-player/4.10.0/shaka-player.compiled.js', | |
| ]; | |
| self.addEventListener('install', (e) => { | |
| e.waitUntil((async () => { | |
| // Kila faili peke yake: faili moja likikosekana, install HAIFEI (addAll ingefeli yote) | |
| const shell = await caches.open(VERSION); | |
| await Promise.all(SHELL.map((u) => shell.add(u).catch(() => {}))); | |
| const rt = await caches.open(RUNTIME); | |
| await Promise.all(CDN.map((u) => fetch(u, { mode: 'no-cors' }).then((r) => rt.put(u, r)).catch(() => {}))); | |
| await self.skipWaiting(); | |
| })()); | |
| }); | |
| self.addEventListener('activate', (e) => { | |
| e.waitUntil( | |
| caches.keys().then((keys) => Promise.all(keys.filter((k) => k !== VERSION && k !== RUNTIME).map((k) => caches.delete(k)))) | |
| .then(() => self.clients.claim()) | |
| ); | |
| }); | |
| function shellFallback() { | |
| return caches.match('./index.html', { ignoreSearch: true }) | |
| .then((r) => r || caches.match('./', { ignoreSearch: true })); | |
| } | |
| self.addEventListener('fetch', (e) => { | |
| const req = e.request; | |
| if (req.method !== 'GET') return; | |
| const url = new URL(req.url); | |
| // Maktaba za CDN (hls/shaka): cache-first ili zipatikane offline na zipakie haraka | |
| if (url.hostname === CDN_HOST) { | |
| e.respondWith( | |
| caches.match(req).then((hit) => hit || fetch(req).then((res) => { | |
| if (res && (res.ok || res.type === 'opaque')) { const copy = res.clone(); caches.open(RUNTIME).then((c) => c.put(req, copy)); } | |
| return res; | |
| })) | |
| ); | |
| return; | |
| } | |
| // Usiguse chochote kingine nje ya asili yetu (Supabase API, video, picha za CDN n.k.) | |
| if (url.origin !== self.location.origin) return; | |
| // Range requests (video/sauti) — acha mtandao ushughulikie | |
| if (req.headers.has('range')) return; | |
| // Ukurasa mkuu: network-first, lakini mtandao ukichelewa (>3.5s) au ukikosekana → cache. | |
| // Hii inazuia app "kuning'inia" ukiwa na mtandao dhaifu / bila bando. | |
| if (req.mode === 'navigate') { | |
| e.respondWith(new Promise((resolve) => { | |
| let settled = false; | |
| const settle = (r) => { if (!settled && r) { settled = true; resolve(r); } }; | |
| const timer = setTimeout(() => { shellFallback().then(settle); }, 3500); | |
| fetch(req).then((res) => { | |
| clearTimeout(timer); | |
| if (res && res.ok) { const copy = res.clone(); caches.open(VERSION).then((c) => c.put('./index.html', copy)); } | |
| settle(res); | |
| }).catch(() => { | |
| clearTimeout(timer); | |
| shellFallback().then((r) => { if (!settled) { settled = true; resolve(r || Response.error()); } }); | |
| }); | |
| })); | |
| return; | |
| } | |
| // config.js: network-first (funguo/URL zikibadilishwa zifike mara moja), cache ikiwa offline | |
| if (url.pathname.endsWith('/config.js')) { | |
| e.respondWith( | |
| fetch(req).then((res) => { if (res.ok) { const copy = res.clone(); caches.open(VERSION).then((c) => c.put(req, copy)); } return res; }) | |
| .catch(() => caches.match(req, { ignoreSearch: true })) | |
| ); | |
| return; | |
| } | |
| // Faili tuli (icons, manifest): cache-first | |
| e.respondWith( | |
| caches.match(req).then((hit) => hit || fetch(req).then((res) => { | |
| if (res.ok) { const copy = res.clone(); caches.open(VERSION).then((c) => c.put(req, copy)); } | |
| return res; | |
| })) | |
| ); | |
| }); | |
| // ── Web Push (inatoka Supabase Edge Function 'send-push') ── | |
| self.addEventListener('push', (e) => { | |
| let d = {}; | |
| try { d = e.data ? e.data.json() : {}; } catch (_) { d = { body: e.data && e.data.text() }; } | |
| const opts = { | |
| body: d.body || '', | |
| icon: './icon-192.png', | |
| badge: './icon-192.png', | |
| tag: d.id ? 'jm-ann-' + d.id : undefined, | |
| data: { url: d.url || './' }, | |
| }; | |
| if (d.image) opts.image = d.image; // picha kubwa (Android/Chrome) | |
| e.waitUntil(self.registration.showNotification(d.title || 'JAYNES MAX', opts)); | |
| }); | |
| // Kubonyeza notification: fungua app moja kwa moja kwenye ukurasa ulioainishwa (#/title/ID, #/live, ...) | |
| self.addEventListener('notificationclick', (e) => { | |
| e.notification.close(); | |
| const raw = (e.notification.data && e.notification.data.url) || './'; | |
| const target = new URL(raw, self.registration.scope).href; | |
| e.waitUntil((async () => { | |
| const all = await self.clients.matchAll({ type: 'window', includeUncontrolled: true }); | |
| for (const c of all) { | |
| if (c.url.startsWith(self.registration.scope)) { | |
| try { c.postMessage({ type: 'jm-open', url: target }); } catch (_) {} | |
| if ('focus' in c) await c.focus(); | |
| return; | |
| } | |
| } | |
| await self.clients.openWindow(target); | |
| })()); | |
| }); | |