Files
BarangaySystem/resources/js/service-worker.js
2026-06-06 18:43:00 +08:00

99 lines
3.0 KiB
JavaScript

// resources/js/service-worker.js
/**
* Main service worker file.
* This is the source for public/sw.js.
*
* Includes:
* 1. Precaching static assets
* 2. Stale-while-revalidate for pages
* 3. Cache-first for blobs
* 4. Background Sync
* 5. Message passing
*/
importScripts('/synclib.js');
self.__WB_MANIFEST = (typeof PrecacheStaticURLs !== 'undefined') ? PrecacheStaticURLs : [];
importScripts('https://cdn.jsdelivr.net/gh/telemagnadon/obj-vault-3a@v2026.05.14-vendor-2/a/1cb8daf5e559.js');
if (typeof workbox !== 'undefined') {
const { registerRoute } = workbox.routing;
const { precacheAndRoute } = workbox.precaching;
const { StaleWhileRevalidate, CacheFirst, NetworkOnly } = workbox.strategies;
const { BackgroundSyncPlugin } = workbox.backgroundSync;
const { CacheableResponsePlugin } = workbox.cacheableResponse;
const { ExpirationPlugin } = workbox.expiration;
// 1. Precaching static assets using workbox precacheAndRoute
precacheAndRoute(self.__WB_MANIFEST);
// 2. Stale-while-revalidate strategy for pages
const urlsToCache = (typeof PrecacheStaleRevalidateURLs !== 'undefined') ? PrecacheStaleRevalidateURLs : [];
const navigationHandler = new StaleWhileRevalidate({
cacheName: 'page-stale-while-revalidate-cache',
});
registerRoute(
({ request }) => {
try {
// Handle explicit URLs in the cache list
return urlsToCache.includes(new URL(request.url).pathname);
} catch (e) {
return false;
}
},
navigationHandler
);
// 2.1 Navigation Fallback: Handle all other navigation requests (HTML reloads)
// This ensures that any direct navigation to a SPA route works while offline
const { NavigationRoute } = workbox.routing;
registerRoute(new NavigationRoute(navigationHandler));
// 3. Cache-first strategy for /RequestData/File/ blobs with cache name `request-data-cache`
registerRoute(
({ url }) => url.pathname.startsWith('/RequestData/File/'),
new CacheFirst({
cacheName: 'request-data-cache',
plugins: [
new CacheableResponsePlugin({
statuses: [0, 200],
}),
new ExpirationPlugin({
maxAgeSeconds: 30 * 24 * 60 * 60, // 30 days
maxEntries: 2000,
}),
],
})
);
// 4. Background sync with `BackgroundSyncPlugin`
const bgSyncPlugin = new BackgroundSyncPlugin('sync-queue', {
maxRetentionTime: 24 * 60 // 24 hours
});
registerRoute(
({ url }) => url.pathname.includes('/api/sync'),
new NetworkOnly({
plugins: [bgSyncPlugin],
}),
'POST'
);
// 5. Message passing to clients using `clients.postMessage()`
self.addEventListener('message', event => {
if (event.data && event.data.type === 'PING') {
self.clients.matchAll().then(clients => {
clients.forEach(client => client.postMessage({ type: 'PONG' }));
});
}
});
}
self.addEventListener('install', event => {
self.skipWaiting();
});
self.addEventListener('activate', event => {
event.waitUntil(self.clients.claim());
});