63 lines
2.1 KiB
JavaScript
63 lines
2.1 KiB
JavaScript
const CACHE_NAME = 'v1';
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const URLS_TO_CACHE = [
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'./favicon.png',
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'./cursor.cur',
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'https://unpkg.com/webamp/built/webamp.bundle.min.js',
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'https://unpkg.com/butterchurn/lib/butterchurn.min.js',
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'https://unpkg.com/butterchurn-presets/lib/butterchurnPresets.min.js',
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'https://lastfm.freetls.fastly.net/'
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];
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// Install event: Pre-cache the static resources
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self.addEventListener('install', function(event) {
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event.waitUntil(
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caches.open(CACHE_NAME)
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.then(function(cache) {
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return cache.addAll(URLS_TO_CACHE);
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})
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);
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});
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// Fetch event: Serve cached files and dynamically cache .mp3 or .flac files
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self.addEventListener('fetch', function(event) {
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const requestUrl = new URL(event.request.url);
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event.respondWith(
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caches.match(event.request).then(function(response) {
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// If the resource is already cached, return it
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if (response) {
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return response;
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}
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// Otherwise, fetch the resource and check if it's an audio file
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return fetch(event.request).then(function(fetchResponse) {
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// Clone the response (responses can only be used once)
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const fetchResponseClone = fetchResponse.clone();
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// Check if the file ends with .mp3 or .flac
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if (requestUrl.pathname.endsWith('.txt') || requestUrl.pathname.endsWith('.iso')) {
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caches.open(CACHE_NAME).then(function(cache) {
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cache.put(event.request, fetchResponseClone);
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});
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}
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return fetchResponse;
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});
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})
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);
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});
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// Activate event: Clean up old caches
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self.addEventListener('activate', function(event) {
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event.waitUntil(
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caches.keys().then(function(cacheNames) {
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return Promise.all(
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cacheNames.map(function(cacheName) {
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if (cacheName !== CACHE_NAME) {
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return caches.delete(cacheName);
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}
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})
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);
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})
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);
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});
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