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