overseerandClaude Opus 5.5
934c788f30
- Add a build-only Vite plugin (admin/vite-sw-plugin.ts) that, after the bundle is written, injects every same-origin script/link asset referenced by dist/index.html into dist/sw.js's precache, so the offline shell renders immediately after install (PWA-001). - Replace the literal cache version with a build revision (sha256 of the built index.html and sw.js source, truncated) used in both cache names, so each release installs a new worker with fresh caches (PWA-002). - On activate, delete only stale nestquest-admin-* caches; unrelated same-origin caches survive (PWA-003). - Add Vitest regressions for all three findings. Task: 96ab3c0b-7554-4098-8af1-2be7815f8929 Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
89 lines
2.7 KiB
JavaScript
89 lines
2.7 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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The build (vite-sw-plugin.ts) replaces PRECACHE_ASSETS with the hashed
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bundles referenced by index.html and the revision marker with a content
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hash, so each release installs a new worker with fresh caches. */
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const REVISION = "__NQ_BUILD_REVISION__";
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const CACHE_PREFIX = "nestquest-admin-";
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const SHELL_CACHE = `${CACHE_PREFIX}shell-${REVISION}`;
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const RUNTIME_CACHE = `${CACHE_PREFIX}runtime-${REVISION}`;
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const CURRENT_CACHES = [SHELL_CACHE, RUNTIME_CACHE];
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const PRECACHE_ASSETS = [];
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const SHELL_URLS = [
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...new Set([
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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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...PRECACHE_ASSETS,
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]),
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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
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.filter((key) => key.startsWith(CACHE_PREFIX) && !CURRENT_CACHES.includes(key))
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.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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