refactor: optimize bundle size

src/service-worker.ts

@@ -14,3 +14,18 @@ self.addEventListener("message", event => {
     self.skipWaiting();
   }
 });
+self.addEventListener("install", event => {
+  // delete all cache on install
+  event.waitUntil(
+    caches.keys().then(cacheNames => {
+      return Promise.all(
+        cacheNames.map(cacheName => {
+          console.debug("Deleting cache: ", cacheName);
+          return caches.delete(cacheName);
+        })
+      );
+    })
+  );
+  // always skip waiting
+  self.skipWaiting();
+});