Martin Dvorak
4530466df0
Same sparkles icon, same shape, same states — only the label differs, which is the one thing that cannot be shared. The snowflake stays the app's brand mark on the hero, the drop zone and the tab bar. Service worker: freezmo-v15. Verified: computed-style diff between the two buttons is empty and the cropped screenshots differ only in their text; CTA-parity suite 32/32, desktop regression 74/74, mobile 51/51. Lint + build clean.
97 lines
2.8 KiB
JavaScript
97 lines
2.8 KiB
JavaScript
/**
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* Freezmo service worker (production only).
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*
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* Strategy, deliberately conservative:
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* - API routes are never cached and never intercepted.
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* - Navigations: network first, falling back to the cached shell, then /offline.
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* - /_next/static + icons: stale-while-revalidate (fast, self-healing).
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* - Everything else: straight to the network.
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*
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* Bumping CACHE_VERSION is how a new deploy invalidates old assets.
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*/
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const CACHE_VERSION = "freezmo-v15";
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const SHELL_CACHE = `${CACHE_VERSION}-shell`;
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const ASSET_CACHE = `${CACHE_VERSION}-assets`;
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const SHELL_ASSETS = [
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"/",
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"/offline",
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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/apple-touch-icon.png",
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];
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self.addEventListener("install", (event) => {
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event.waitUntil(
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(async () => {
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const cache = await caches.open(SHELL_CACHE);
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await Promise.allSettled(SHELL_ASSETS.map((url) => cache.add(new Request(url, { cache: "reload" }))));
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await self.skipWaiting();
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})(),
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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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(async () => {
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const names = await caches.keys();
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await Promise.all(
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names.filter((name) => !name.startsWith(CACHE_VERSION)).map((name) => caches.delete(name)),
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);
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await self.clients.claim();
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})(),
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);
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});
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function isCacheableAsset(url) {
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return (
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url.pathname.startsWith("/_next/static/") ||
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url.pathname.startsWith("/icons/") ||
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url.pathname === "/manifest.webmanifest" ||
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/\.(?:css|js|png|jpg|jpeg|svg|webp|woff2?)$/.test(url.pathname)
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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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const url = new URL(request.url);
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if (url.origin !== self.location.origin) return;
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// Never touch the API: keys, notes and generated decks must always be live.
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if (url.pathname.startsWith("/api/")) return;
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if (request.mode === "navigate") {
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event.respondWith(
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(async () => {
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try {
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const response = await fetch(request);
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const cache = await caches.open(SHELL_CACHE);
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cache.put("/", response.clone()).catch(() => {});
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return response;
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} catch {
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const cache = await caches.open(SHELL_CACHE);
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return (await cache.match("/")) ?? (await cache.match("/offline")) ?? 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 (isCacheableAsset(url)) {
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event.respondWith(
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(async () => {
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const cache = await caches.open(ASSET_CACHE);
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const cached = await cache.match(request);
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const network = fetch(request)
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.then((response) => {
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if (response.ok) cache.put(request, response.clone()).catch(() => {});
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return response;
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})
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.catch(() => cached);
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return cached ?? network;
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})(),
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);
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}
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});
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