// Network-only: no account records, files, tokens or API responses enter offline caches.
self.addEventListener('install', (event) => event.waitUntil(self.skipWaiting()));
self.addEventListener('activate', (event) => event.waitUntil(self.clients.claim()));
self.addEventListener('fetch', (event) => {
if (event.request.method !== 'GET' || event.request.mode !== 'navigate') return;
event.respondWith(
fetch(event.request).catch(
() =>
new Response(
'hop.hop.
인터넷 연결이 필요해요.
연결한 뒤 다시 열어주세요.
다시 시도',
{
status: 503,
headers: { 'Content-Type': 'text/html; charset=utf-8', 'Cache-Control': 'no-store' },
},
),
),
);
});