add http-server part 7.9.4 CORS

backend/server.ts

@@ -8,13 +8,16 @@ const port = 8090;
 //CORS aktivieren
 app.use(cors());
 
+// Verwende die Middleware, um POST-Body als JSON zu lesen
+app.use(express.json());
+
 /*app.use(cors({
   origin: 'http://localhost:8080'
 }));*/
 
 app.post('/api/command', (req, res) => {
   executeCommand();
-  res.status(200).send('Command executed');
+  res.status(200).send('Command executed\n');
 });
 
 app.listen(port, '0.0.0.0', () => {

frontend/event.ts

@@ -3,9 +3,15 @@ function handleClick(): void {
   console.log("Der Button wurde geklickt!");
   alert("Hallo von TypeScript!");
 
-  fetch("http://localhost:8090/api/command", { method: "POST" })
+  fetch("http://localhost:8090/api/command", { 
+    method: "POST",
+    headers: {
+      "Content-Type": "application/json", // Füge dies hinzu, wenn du JSON sendest
+    }
+  })
     .then(res => res.text())
-    .then(text => console.log("Server sagt:", text));
+    .then(text => console.log("Server sagt:", text))
+    .catch(error => console.error("Fehler:", error));
 
   /*fetch("/api/command", { method: "POST" })
     .then(res => res.text())