47 lines
1.5 KiB
JavaScript
47 lines
1.5 KiB
JavaScript
/* clip2md service worker — offline shell cache. Bump CACHE on any asset change. */
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var CACHE = 'clip2md-v3';
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var ASSETS = [
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'./',
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'./index.html',
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'./impressum.html',
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'./datenschutz.html',
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'./legal.css',
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'./icon.svg',
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'./manifest.webmanifest',
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'./vendor/turndown.js',
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'./vendor/turndown-plugin-gfm.js',
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'./vendor/marked.umd.js',
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'./vendor/purify.min.js',
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'./vendor/fonts/Geist-Variable.woff2',
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'./vendor/fonts/GeistMono-Variable.woff2'
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];
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self.addEventListener('install', function (e) {
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self.skipWaiting();
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e.waitUntil(caches.open(CACHE).then(function (c) { return c.addAll(ASSETS); }));
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});
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self.addEventListener('activate', function (e) {
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e.waitUntil(
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caches.keys().then(function (keys) {
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return Promise.all(keys.filter(function (k) { return k !== CACHE; }).map(function (k) { return caches.delete(k); }));
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}).then(function () { return self.clients.claim(); })
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);
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});
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self.addEventListener('fetch', function (e) {
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if (e.request.method !== 'GET') return;
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e.respondWith(
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caches.match(e.request).then(function (hit) {
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return hit || fetch(e.request).then(function (res) {
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// Runtime-cache same-origin successful responses.
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if (res && res.ok && e.request.url.indexOf(self.location.origin) === 0) {
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var copy = res.clone();
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caches.open(CACHE).then(function (c) { c.put(e.request, copy); });
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}
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return res;
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}).catch(function () { return caches.match('./index.html'); });
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})
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);
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});
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