change mailbox behaviour to use reception confirmations

static/dist/sw.js

@@ -1,38 +1,38 @@
 const CACHE_VERSION = "v1";
 
 async function handleRequest(event) {
-  const responsePromise = getResponse(event);
-  event.respondWith(responsePromise);
+    const responsePromise = getResponse(event);
+    event.respondWith(responsePromise);
 }
 
 async function getResponse(event) {
-  try {
-    return await fetchAndCache(event);
-  } catch {
-    return await getFromCache(event);
-  }
+    try {
+        return await fetchAndCache(event);
+    } catch {
+        return await getFromCache(event);
+    }
 }
 
 async function fetchAndCache(event) {
-  const request = event.request;
+    const request = event.request;
 
-  const response = await fetch(request);
+    const response = await fetch(request);
 
-  const cache = await caches.open(CACHE_VERSION);
-  await cache.put(request, response.clone());
+    const cache = await caches.open(CACHE_VERSION);
+    await cache.put(request, response.clone());
 
-  return response;
+    return response;
 }
 
 async function getFromCache(event) {
-  const request = event.request;
+    const request = event.request;
 
-  const cache = await caches.open(CACHE_VERSION);
-  const response = await cache.match(request);
+    const cache = await caches.open(CACHE_VERSION);
+    const response = await cache.match(request);
 
-  return response;
+    return response;
 }
 
 self.addEventListener("fetch", (event) => {
-  handleRequest(event);
-});
+    handleRequest(event);
+});