app: refonte JWE v2 - SvelteKit 2 + Svelte 5 + MapLibre, 4 modes de jeu, API anti-triche, ecran Cas B 'Pwen blinde', i18n FR/GCF, PWA

app/src/service-worker.ts

@@ -0,0 +1,64 @@
+/// <reference types="@sveltejs/kit" />
+/// <reference no-default-lib="true"/>
+/// <reference lib="esnext" />
+/// <reference lib="webworker" />
+
+import { build, files, version } from '$service-worker';
+
+const sw = self as unknown as ServiceWorkerGlobalScope;
+
+const APP_SHELL = `jwe-shell-${version}`; // immuable, recréé à chaque build
+const PHOTOS = 'jwe-photos'; // stale-while-revalidate
+
+const ASSETS = [...build, ...files];
+
+sw.addEventListener('install', (event) => {
+	event.waitUntil(caches.open(APP_SHELL).then((cache) => cache.addAll(ASSETS)));
+});
+
+sw.addEventListener('activate', (event) => {
+	event.waitUntil(
+		caches.keys().then((keys) =>
+			Promise.all(
+				keys
+					.filter((key) => key !== APP_SHELL && key !== PHOTOS)
+					.map((key) => caches.delete(key))
+			)
+		)
+	);
+});
+
+function isPhoto(url: URL): boolean {
+	return (
+		url.hostname === 'upload.wikimedia.org' ||
+		(url.hostname === 'commons.wikimedia.org' && url.pathname.startsWith('/wiki/Special:FilePath'))
+	);
+}
+
+sw.addEventListener('fetch', (event) => {
+	const url = new URL(event.request.url);
+	if (event.request.method !== 'GET') return;
+
+	// App shell : cache d'abord
+	if (ASSETS.includes(url.pathname)) {
+		event.respondWith(caches.match(event.request).then((r) => r ?? fetch(event.request)));
+		return;
+	}
+
+	// Photos Wikimedia : stale-while-revalidate
+	if (isPhoto(url)) {
+		event.respondWith(
+			caches.open(PHOTOS).then(async (cache) => {
+				const cached = await cache.match(event.request);
+				const frais = fetch(event.request)
+					.then((res) => {
+						if (res.ok) void cache.put(event.request, res.clone());
+						return res;
+					})
+					.catch(() => cached as Response);
+				return cached ?? frais;
+			})
+		);
+		return;
+	}
+});