mirror of
https://github.com/JannisX11/blockbench.git
synced 2024-12-09 04:50:29 +08:00
51 lines
1.0 KiB
JavaScript
51 lines
1.0 KiB
JavaScript
const cacheName = 'blockbench_3.2.0';
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const staticAssets = [
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'./',
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'./index.html',
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'./css/',
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'./js',
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'./lib',
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'./font',
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'./lang',
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'./assets',
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'./favicon.png',
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'./manifest.json',
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];
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self.addEventListener('install', async (event) => {
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var cache = await caches.open(cacheName);
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await cache.addAll(staticAssets);
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return self.skipWaiting();
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})
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self.addEventListener('activate', (event) => {
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self.clients.claim();
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})
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self.addEventListener('fetch', async (event) => {
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var req = event.request;
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var url = new URL(req.url);
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if (url.origin == 'location.origin') {
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event.respondWith(cacheFirst(req));
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} else {
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event.respondWith(networkAndCache(req));
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}
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})
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async function cacheFirst(req) {
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var cache = await caches.open(cacheName);
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var cached = await cache.match(req);
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return cached || fetch(req);
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}
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async function networkAndCache(req) {
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var cache = await caches.open(cacheName);
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try {
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var fresh = await fetch(req);
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await cache.put(req, fresh.clone());
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return fresh;
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} catch (err) {
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var cached = await cache.match(req);
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return cached;
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}
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} |