create-express-typescript-application/create-express-typescript-application-sample/src/app/server-status/server.status.service.ts

Create a new lightweight Express application with TypeScript

import app from '../../server';


export const getRoutes = (): Array<string> => {
  let route: any;
  const routes: Array<any> = [];

  app._router.stack.forEach((middleware: any) => {
    if (middleware.route) { // routes registered directly on the app
      routes.push(middleware.route);
    } else if (middleware.name === 'router') { // router middleware 
      middleware.handle.stack.forEach((handler: any) => {
        route = handler.route;
        route && routes.push(route);
      });
    }
  });

  return routes;
}