CSS ไม่ใช่การแสดงผลอยู่ในออฟไลน์โหมดใช้บริการทำงานใน Chrome

self.addEventListener("install", (event) => {
  event.waitUntil(
    caches.open("v1").then((cache) => {
      return cache.addAll([
        "list of assets",        
      ]);
    })
  );
});

self.addEventListener("fetch", function (event) {
  event.respondWith(
    caches.open("v1").then((cache) => {
      if (event.request.url == "http://localhost:3000/") {
        return cache
          .match("http://localhost:3000/index.html")
          .then((response) => {
            console.log({ response });
            return response;
          });
      } else {
        try {
          return cache.match(event.request).then((response) => {
            console.log(response);
            if (response != undefined) {
              console.log({ response: "Loading asset from cache." });
              return response;
            } else {
              let asset = fetch(event.request);
              cache.add(asset);
              return asset;
            }
          });
        } catch (error) {
          console.error(error);
        }
      }
    })
  );
});