I'm using experimental typescript decorators to manage access control in express.

class AccountController extends Controller {
  login(req: Request, res: Response) {
    const { email, password } = req.body;
    const token = await this.model.login(email, password);
    return res.json({
      token
    });
  }

  @hasRole('ADMIN')
  list(req: Request, res: Response) {
    res.json({
      data: await this.model.findAll()
    });