feat: add PWA support

2026-07-31 22:52:18 +02:00
parent 6998e8bdb7
commit 530162cbf7
11 changed files with 156 additions and 0 deletions
@@ -0,0 +1,63 @@
+const CACHE_NAME = "pi-car-companion-v1";
+const APP_SHELL = [
+  "/",
+  "/manifest.webmanifest",
+  "/icon.svg",
+  "/pwa-192x192.png",
+  "/pwa-512x512.png",
+  "/pwa-maskable-512x512.png",
+  "/apple-touch-icon.png"
+];
+
+self.addEventListener("install", (event) => {
+  event.waitUntil(caches.open(CACHE_NAME).then((cache) => cache.addAll(APP_SHELL)));
+  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;
+  if (request.method !== "GET") return;
+
+  const url = new URL(request.url);
+  if (url.origin !== self.location.origin || url.pathname.startsWith("/api/") || url.pathname === "/healthz") return;
+
+  if (request.mode === "navigate") {
+    event.respondWith(
+      fetch(request)
+        .then((response) => {
+          if (response.ok) {
+            const copy = response.clone();
+            event.waitUntil(caches.open(CACHE_NAME).then((cache) => cache.put("/", copy)));
+          }
+          return response;
+        })
+        .catch(() => caches.match("/"))
+    );
+    return;
+  }
+
+  if (url.pathname.startsWith("/assets/") || APP_SHELL.includes(url.pathname)) {
+    event.respondWith(
+      caches.match(request).then(
+        (cached) =>
+          cached ??
+          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;
+          })
+      )
+    );
+  }
+});