43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
/**
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* DeskHub Service Worker – Kundenportal (scope: /)
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*/
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const CACHE = 'deskhub-customer-v1';
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const OFFLINE_URL = '/offline.html';
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const PRECACHE = ['/offline.html', '/assets/css/style.css'];
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self.addEventListener('install', e => {
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e.waitUntil(caches.open(CACHE).then(c => c.addAll(PRECACHE)));
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self.skipWaiting();
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});
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self.addEventListener('activate', e => {
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e.waitUntil(
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caches.keys().then(keys =>
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Promise.all(keys.filter(k => k !== CACHE).map(k => caches.delete(k)))
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)
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);
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self.clients.claim();
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});
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self.addEventListener('fetch', e => {
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if (e.request.method !== 'GET') return;
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// Staff-Bereich nicht vom Kunden-SW abfangen
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if (e.request.url.includes('/staff/')) return;
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if (e.request.url.match(/\.(css|js|woff2?|png|svg|ico|webp)(\?.*)?$/)) {
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e.respondWith(
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caches.match(e.request).then(cached =>
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cached || fetch(e.request).then(resp => {
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caches.open(CACHE).then(c => c.put(e.request, resp.clone()));
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return resp;
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})
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)
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);
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return;
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}
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e.respondWith(
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fetch(e.request).catch(() => caches.match(OFFLINE_URL))
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);
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});
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