overseerandClaude Opus 5.5
fb432fda5a
- Static web app manifest (standalone, brand-token colours) with 192/512 "any" icons and a 512 maskable icon, generated as real PNGs by admin/scripts/generate-icons.mjs (zlib only, no network). - Hand-written public/sw.js: precaches the shell on install, prunes stale caches on activate, falls back to the cached index.html for offline navigations, serves same-origin static assets cache-first; never handles cross-origin or non-GET requests. - registerServiceWorker() registers /sw.js only in production builds and logs on failure; called from main.tsx. index.html links the manifest, theme colour and apple-touch-icon. - Vitest coverage for manifest installability, icon PNG dimensions, the worker's install/activate/fetch behaviour and the production guard. Task: 96ab3c0b-7554-4098-8af1-2be7815f8929 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
78 lines
2.2 KiB
JavaScript
78 lines
2.2 KiB
JavaScript
/* NestQuest Admin service worker — hand-written, served from the site root.
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Precaches the app shell, serves static assets cache-first, and falls back
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to the cached shell for navigations when offline. Only same-origin GET
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requests are handled; cross-origin requests (Authentik, the API host) are
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never intercepted or cached. */
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const VERSION = "v1";
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const SHELL_CACHE = `nestquest-admin-shell-${VERSION}`;
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const RUNTIME_CACHE = `nestquest-admin-runtime-${VERSION}`;
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const CURRENT_CACHES = [SHELL_CACHE, RUNTIME_CACHE];
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const SHELL_URLS = [
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"/",
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"/index.html",
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"/manifest.webmanifest",
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"/icons/icon-192.png",
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"/icons/icon-512.png",
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"/icons/icon-maskable-512.png",
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];
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// Request destinations treated as static assets (cache-first). Anything else
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// same-origin (e.g. API calls) goes straight to the network.
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const STATIC_DESTINATIONS = ["script", "style", "image", "font", "manifest"];
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self.addEventListener("install", (event) => {
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event.waitUntil(
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caches
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.open(SHELL_CACHE)
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.then((cache) => cache.addAll(SHELL_URLS))
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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
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.keys()
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.then((keys) =>
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Promise.all(
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keys.filter((key) => !CURRENT_CACHES.includes(key)).map((key) => caches.delete(key)),
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),
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)
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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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const request = event.request;
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if (request.method !== "GET") return;
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if (new URL(request.url).origin !== self.location.origin) return;
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if (request.mode === "navigate") {
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event.respondWith(
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fetch(request).catch(() =>
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caches.match("/index.html", { cacheName: SHELL_CACHE }).then(
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(cached) => cached || Response.error(),
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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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if (STATIC_DESTINATIONS.includes(request.destination)) {
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event.respondWith(cacheFirst(request));
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}
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});
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async function cacheFirst(request) {
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const cached = await caches.match(request);
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if (cached) return cached;
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const response = await fetch(request);
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if (response.ok && response.type === "basic") {
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const cache = await caches.open(RUNTIME_CACHE);
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await cache.put(request, response.clone());
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}
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return response;
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}
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