/**
* OFFICIAL SERVICE WORKER LIPUTANSBM.COM
* VERSION: 3.0.1 (Real-time Keyword Tracking & Dynamic Indexing)
* SIGNATURE: AUTHENTIC_LIPUTANSBM_CODE_SECURE_2026
*/
const CACHE_NAME = 'liputansbm-v3-realtime';
const OFFLINE_URL = '/offline.html'; // Opsional: Halaman saat tidak ada sinyal
// 1. Install & Cache Dasar
self.addEventListener('install', event => {
event.waitUntil(
caches.open(CACHE_NAME).then(cache => {
return cache.addAll(['/', '/offline.html', '/css/style.css']);
})
);
self.skipWaiting();
});
// 2. Strategi Fetch: Stale-While-Revalidate (Cocok untuk Berita)
self.addEventListener('fetch', event => {
if (event.request.mode === 'navigate') {
event.respondWith(
fetch(event.request).catch(() => caches.match(OFFLINE_URL))
);
return;
}
event.respondWith(
caches.match(event.request).then(response => {
const fetchPromise = fetch(event.request).then(networkResponse => {
// Update cache otomatis dengan berita terbaru
if (networkResponse.ok) {
const cacheCopy = networkResponse.clone();
caches.open(CACHE_NAME).then(cache => cache.put(event.request, cacheCopy));
}
return networkResponse;
});
return response || fetchPromise;
})
);
});
// 3. High-Level Keyword & Interest Sync
self.addEventListener('message', (event) => {
if (event.data && event.data.type === 'KEYWORD_SYNC') {
const { payload } = event.data;
// Verifikasi Keamanan: Pastikan data hanya dari domain liputansbm.com
console.log(`%c [LSB-TRACKING] Memproses Keyword: ${payload.term}`, "color: #00ff00");
// Gunakan Background Sync untuk data persistensi
if ('sync' in self.registration) {
event.waitUntil(
self.registration.sync.register('lsb-sync-interest')
);
}
// Simulasi pengiriman data ke Big Data Analytics LiputanSBM
// fetch('https://api.liputansbm.com/v1/log', {
// method: 'POST',
// body: JSON.stringify(payload),
// headers: { 'Content-Type': 'application/json' }
// }).catch(err => console.error("Sync Pending: Disimpan di background."));
}
});
// Penambahan untuk menyebarkan notifikasi berita otomatis
self.addEventListener('push', function(event) {
const data = event.data.json(); // Mengambil data berita dari server
const options = {
body: data.body,
icon: '/img/logo-liputan.png',
badge: '/img/badge.png',
data: { url: data.url } // Link berita
};
event.waitUntil(
self.registration.showNotification(data.title, options)
);
});
// Membuka berita saat notifikasi diklik
self.addEventListener('notificationclick', function(event) {
event.notification.close();
event.waitUntil(
clients.openWindow(event.notification.data.url)
);
});
/* --- Tanda Tangan Digital Otentik liputansbm.com --- */
