RESTIFY ERROR HANDLER

A Node.js module to handle REST API errors consistently and effectively.

Features

Custom error classes for different HTTP status codes
Middleware to handle errors and format responses consistently
Compatible with both CommonJS and ES Modules

Installation

This is a Node.js module available through the npm registry.

Before installing, download and install Node.js. Node.js 20.15 or higher is required.

If this is a brand new project, make sure to create a package.json first with the npm init command.

Installation is done using the npm install command:

$ npm install restify-error-handler

Usage

CommonJS

const express = require('express');
const { BadRequestError, NotFoundError, InternalServerError, RestifyErrorHandler } = require('restify-error-handler');

const app = express();

app.get('/bad-request', (req, res, next) => {
  next(new BadRequestError('This is a bad request'));
});

app.get('/not-found', (req, res, next) => {
  next(new NotFoundError('Resource not found'));
});

app.get('/internal-error', (req, res, next) => {
  next(new InternalServerError('Internal server error'));
});

app.use(RestifyErrorHandler);

app.listen(4000, () => {
  console.log('Server running on port 4000');
});

ES Modules

import express from 'express';
import { BadRequestError, NotFoundError, InternalServerError, RestifyErrorHandler } from 'restify-error-handler';

const app = express();

app.get('/bad-request', (req, res, next) => {
  next(new BadRequestError('This is a bad request'));
});

app.get('/not-found', (req, res, next) => {
  next(new NotFoundError('Resource not found'));
});

app.get('/internal-error', (req, res, next) => {
  next(new InternalServerError('Internal server error'));
});

app.use(RestifyErrorHandler);

app.listen(4000, () => {
  console.log('Server running on port 4000');
});

MIT