FrontEnd/src/sw/sw.ts


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import { precacheAndRoute, matchPrecache } from "workbox-precaching";
import { setDefaultHandler } from "workbox-routing";
import { NetworkOnly } from "workbox-strategies";

declare let self: ServiceWorkerGlobalScope;

self.addEventListener("message", (event) => {
  if (event.data && (event.data as { type: string }).type === "SKIP_WAITING") {
    void self.skipWaiting();
  }
});

precacheAndRoute(self.__WB_MANIFEST);

const networkOnly = new NetworkOnly();

const networkOnlyPaths = ["/api", "/swagger"];

setDefaultHandler((options) => {
  const { request, url } = options;
  if (url) {
    for (const p of networkOnlyPaths) {
      if (url.pathname.startsWith(p)) return networkOnly.handle(options);
    }
  }

  if (request instanceof Request && request.destination === "document")
    return matchPrecache("/index.html").then((r) =>
      r == null ? Response.error() : r
    );
  else return networkOnly.handle(options);
});