feat: rebuild xiteng.site homelab platform

site/sw.js

@@ -0,0 +1,97 @@
+const cacheName = "xiteng-portal-v8";
+const appShell = [
+  "/",
+  "/styles.css",
+  "/app.js?v=7",
+  "/manifest.webmanifest",
+  "/favicon.svg",
+  "/favicon.ico",
+  "/icons/favicon-32.png",
+  "/icons/apple-touch-icon.png",
+  "/icons/icon-192.png",
+  "/icons/icon-512.png",
+  "/icons/icon-maskable-512.png"
+];
+
+self.addEventListener("install", (event) => {
+  event.waitUntil(
+    caches.open(cacheName)
+      .then((cache) => cache.addAll(appShell))
+      .then(() => self.skipWaiting())
+  );
+});
+
+self.addEventListener("activate", (event) => {
+  event.waitUntil(
+    caches.keys()
+      .then((keys) => Promise.all(keys.filter((key) => key !== cacheName).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) {
+    return;
+  }
+
+  if (url.pathname.startsWith("/api/")) {
+    event.respondWith(
+      fetch(request).catch(() => new Response(
+        JSON.stringify({error: "Network unavailable"}),
+        {
+          status: 503,
+          headers: {
+            "Cache-Control": "no-store",
+            "Content-Type": "application/json; charset=utf-8"
+          }
+        }
+      ))
+    );
+    return;
+  }
+
+  if (url.pathname.startsWith("/admin")
+    || url.pathname.startsWith("/account")
+    || url.pathname === "/admin.js"
+    || url.pathname === "/account.js"
+    || url.pathname.startsWith("/oauth2/")
+    || url.pathname.startsWith("/outpost.goauthentik.io/")) {
+    event.respondWith(fetch(request));
+    return;
+  }
+
+  if (request.mode === "navigate") {
+    event.respondWith(
+      fetch(request)
+        .then((response) => {
+          if (response.ok && ["/", "/index.html"].includes(url.pathname)) {
+            const copy = response.clone();
+            caches.open(cacheName).then((cache) => cache.put("/", copy));
+          }
+          return response;
+        })
+        .catch(() => caches.match("/"))
+    );
+    return;
+  }
+
+  event.respondWith(
+    caches.match(request).then((cached) => {
+      const network = fetch(request).then((response) => {
+        if (response.ok) {
+          const copy = response.clone();
+          caches.open(cacheName).then((cache) => cache.put(request, copy));
+        }
+        return response;
+      });
+      if (cached) {
+        network.catch(() => undefined);
+        return cached;
+      }
+      return network;
+    })
+  );
+});