express services utilities

Common express services utilities

listeningListener()

listeningListener(this: ServerHttp): void

Use it to show a listener server.

Sample:

import { listeningListener } from '@reignmodule/express-utils/listening-listener';

createServerHttp(app).listen(3000, listeningListener);
// Server ready on http://localhost:3000
createServerHttps(app).listen(3001, listeningListener);
// Server ready on https://localhost:3001
createServerHttp2(app).listen(3002, listeningListener);
// Server ready on //localhost:3002

requestHandlerAsync

requestHandlerAsync(requestHandler: (req: Request, res: Response, next: NextFunction) => Promise<any>, thisArg?: any) => RequestHandler

Sample

import { requestHandlerAsync } from '@reignmodule/express-utils/handle-async';

const app = express();

app.get('/', requestHandlerAsync(async (req, res) => {
  res.send('ok');
}));

errorRequestHandlerAsync

errorRequestHandlerAsync(errorRequestHandler: (error: any, req: Request, res: Response, next: NextFunction) => Promise<any>, thisArg?: any) => ErrorRequestHandler

Sample

import { errorRequestHandlerAsync } from '@reignmodule/express-utils/handle-async';

const app = express();

app.get('/', errorRequestHandlerAsync(async (err, req, res) => {
  res.status(500).send(err.message);
}));

 requestParamHandlerAsync

requestParamHandlerAsync(requestParamHandler: (req: Request, res: Response, next: NextFunction, value: any, name: string) => Promise<any>, thisArg?: any) => RequestParamHandler

Sample

import { requestParamHandlerAsync } from '@reignmodule/express-utils/handle-async';

const app = express();

app.param('user', requestParamHandlerAsync(async (req, res, next, id, param) => {
  const user = await User.find(id);
  req.user = user;
  return next();
}));