Files
radarsargasses/frontend/public/sw.js
2026-04-14 17:29:10 -04:00

53 lines
1.6 KiB
JavaScript

// Service Worker — Sargasse-Sentry
// fetch handler requis par Chrome pour le critère d'installabilité PWA
self.addEventListener('fetch', (event) => {
// Pass-through : on ne met rien en cache pour l'instant (app data-driven, pas offline)
event.respondWith(fetch(event.request));
});
self.addEventListener('push', (event) => {
if (!event.data) return;
let payload;
try {
payload = event.data.json();
} catch {
payload = { title: 'Alerte sargasses', body: event.data.text() };
}
const title = payload.title ?? 'Alerte sargasses';
const options = {
body: payload.body ?? '',
icon: '/icons.svg',
badge: '/icons.svg',
tag: payload.spotId ? `sargasse-${payload.spotId}` : 'sargasse-alert',
renotify: true,
data: { url: payload.url ?? '/' },
};
event.waitUntil(self.registration.showNotification(title, options));
});
self.addEventListener('notificationclick', (event) => {
event.notification.close();
const rawUrl = event.notification.data?.url ?? '/';
// N'autoriser que les URLs relatives ou du même domaine (protection open redirect)
const targetUrl = (rawUrl.startsWith('/') || rawUrl.startsWith(self.location.origin))
? rawUrl
: '/';
event.waitUntil(
clients.matchAll({ type: 'window', includeUncontrolled: true }).then((windowClients) => {
for (const client of windowClients) {
if (client.url === targetUrl && 'focus' in client) {
return client.focus();
}
}
if (clients.openWindow) {
return clients.openWindow(targetUrl);
}
})
);
});