Express - Kontroller osztállyal

const express = require('express');
const app = express();
const router = require('./routes');
const port = 8000;
 
app.use('/api',router);
 
app.listen(port, () => {
  console.log(`Listening on port ${port}`);
});

const Router = require('express');
const router = Router();
const EmployeeController = require('./controllers/employeecontroller');
 
const employeeController = new EmployeeController();
 
router.get('/employees', (req, res) => employeeController.index(req, res));
 
module.exports = router;

class EmployeeController {
  index(req, res) {
    try {
      this.#tryIndex(req, res);
    } catch (error) {
      res.status(500);
      res.json({msg: error});
    }
  }
  #tryIndex(req, res) {
    res.status(200);
    res.json({msg: 'működik'});
  }
}
 
module.exports = EmployeeController;