64 lines
1.6 KiB
JavaScript
64 lines
1.6 KiB
JavaScript
const CACHE = "if-viewer-static-v7";
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const ASSETS = [
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"/static/style.css",
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"/static/favicon.svg",
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"/static/icon-192.png",
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"/static/icon-512.png",
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"/static/icon-monochrome.png",
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"/static/i18n.js",
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"/static/locales/en.json",
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"/static/locales/de.json",
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];
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const NETWORK_FIRST = new Set([
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"/static/pwa.js",
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"/static/style.css",
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"/static/i18n.js",
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"/static/locales/en.json",
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"/static/locales/de.json",
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"/static/app.js",
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]);
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self.addEventListener("install", (event) => {
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event.waitUntil(
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caches.open(CACHE)
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.then((cache) => cache.addAll(ASSETS))
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.then(() => self.skipWaiting())
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);
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});
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self.addEventListener("activate", (event) => {
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event.waitUntil(
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caches.keys()
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.then((keys) => Promise.all(keys.filter((k) => k !== CACHE).map((k) => caches.delete(k))))
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.then(() => self.clients.claim())
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);
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});
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self.addEventListener("fetch", (event) => {
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if (event.request.method !== "GET") return;
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const url = new URL(event.request.url);
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if (url.pathname.includes("/api/")) return;
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if (!url.pathname.startsWith("/static/")) return;
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if (NETWORK_FIRST.has(url.pathname)) {
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event.respondWith(
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fetch(event.request)
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.then((response) => {
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if (response.ok) {
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const copy = response.clone();
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caches.open(CACHE).then((cache) => cache.put(event.request, copy));
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}
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return response;
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})
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.catch(() => caches.match(event.request))
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);
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return;
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}
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event.respondWith(
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caches.match(event.request).then((cached) => cached || fetch(event.request))
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);
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});
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