@kwo/http-errors v1.2.0

HTTP Errors

ES6 Errors for HTTP Status Codes

Usage

An example using ExpressJS.

import {HttpError, MethodNotAllowed} from '@kwo/http-errors';

// only allow POST requests
router.use((req, res, next) => {
	if (req && req.method && req.method === 'POST')
		return next();
	next(new MethodNotAllowed());
});

...

// error handler
router.use((err, req, rsp, next) => {
	const CT_TEXT = 'text/plain; charset=utf-8';
	if (err) {
		if (err instanceof HttpError) {
			rsp.status(err.status).type(CT_TEXT).send(err.message);
		} else {
			next(err);
		}
	} else {
		next();
	}
});