feat: unify Workshop experience

apps/docs/static/workshop-sw.js

@@ -0,0 +1,46 @@
+const CACHE_NAME = "homarr-site-v2";
+const SHELL_PATHS = ["/", "/workshop/", "/docs/management/workshop/", "/img/logo.png"];
+
+self.addEventListener("install", (event) => {
+  event.waitUntil(
+    caches.open(CACHE_NAME).then(async (cache) => {
+      const manifest = await fetch("/workshop-assets.json")
+        .then((response) => response.json())
+        .catch(() => []);
+      await Promise.allSettled([...SHELL_PATHS, ...manifest].map((path) => cache.add(path)));
+    }),
+  );
+  self.skipWaiting();
+});
+
+self.addEventListener("activate", (event) => {
+  event.waitUntil(
+    caches
+      .keys()
+      .then((keys) => Promise.all(keys.filter((key) => key !== CACHE_NAME).map((key) => caches.delete(key))))
+      .then(() => self.clients.claim()),
+  );
+});
+
+self.addEventListener("fetch", (event) => {
+  const request = event.request;
+  const url = new URL(request.url);
+  if (request.method !== "GET" || url.origin !== self.location.origin || url.pathname.startsWith("/api/")) return;
+
+  event.respondWith(
+    fetch(request)
+      .then((response) => {
+        if (response.ok) {
+          const copy = response.clone();
+          event.waitUntil(caches.open(CACHE_NAME).then((cache) => cache.put(request, copy)));
+        }
+        return response;
+      })
+      .catch(async () => {
+        const cached = await caches.match(request);
+        if (cached) return cached;
+        if (request.mode === "navigate") return (await caches.match("/workshop/")) ?? Response.error();
+        return Response.error();
+      }),
+  );
+});