Split front and back end.

1 files changed, 28 insertions, 0 deletions

diff --git a/FrontEnd/src/sw/sw.ts b/FrontEnd/src/sw/sw.ts
new file mode 100644
index 00000000..d6202f36
--- /dev/null
+++ b/FrontEnd/src/sw/sw.ts
@@ -0,0 +1,28 @@
+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();
+
+setDefaultHandler((options) => {
+  const { request, url } = options;
+  if (url && url.pathname.startsWith("/api/")) {
+    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);
+});