Tried to convert server-node to TS, there are still some issues

server-node/index.ts

@@ -0,0 +1,12 @@
+import express from 'express';
+const app = express();
+const PORT = 8000;
+
+// server-node: backend api
+import api from './src/routes/api/api-controller';
+app.use("/api/", api);
+
+// serve
+app.listen(PORT, () => {
+    console.log(`http://localhost:${PORT}`);
+});