express-http-handler

Express error handler and http status code and validate request

Install

``bash
npm install express-http-handler
`

Use

`ts
import express, { Request, Response } from 'express';
import {
errorHandler,
HttpError,
HttpStatus,
notFoundHandler,
validateRequest,
} from 'express-http-handler';
import { object, string } from 'yup';

const app = expess();

app.use(express.json());
app.use(express.urlencoded({ extended: true }));

app.get('/test', (req: Request, res: Response) => {
try {
const somethingWrong = true;

if (somethingWrong) {
throw new HttpError('Something error', HttpStatus.BadRequest);
}
// ...
} catch (error: any) {
HttpError.json(res, error);
}
});

const userLoginSchema = object({
body: object({
email: string().email('Email is invalid').required('Email is required'),
password: string().required('Password is required'),
}),
// query: ,
// params: ,
// file: ,
});

app.post(
'/login',
validateRequest(userLoginSchema),
(req: Request, res: Response) => {
try {
const somethingWrong = true;

if (somethingWrong) {
throw new HttpError('Something error', HttpStatus.BadRequest);
}
// ...
} catch (error: any) {
HttpError.json(res, error);
}
}
);

//At the end of middleware
app.use(notFoundHandler);
app.use(errorHandler);

app.listen(5000, () => {
console.log('server running on port 5000');
});
``

Credit and Thanks

Thanks to RWOverdijk for compiling the http status code.