@mapbox/mapbox-error

Generic error middleware for express.js apps.

usage

Install

npm i @mapbox/mapbox-error

Example application

import { showError, notFound, ErrorHTTP } from '@mapbox/mapbox-error';
import { express } from 'express';

const server = express();

// use ErrorHTTP to associate a status code and message to an Error object
server.get('/error', (req, res, next) => {
  return next(new ErrorHTTP('Error for the sake of errors', 400));
});

// put these after all routes have been loaded
server.use(showError());
server.use(notFound());

You can create and re-use error classes

import { customErrorHTTP } from '@mapbox/mapbox-error';

const InvalidToken = customErrorHTTP('InvalidToken', 401);

// within an express middleware...
next(new InvalidToken());

develop

npm ci          # install deps
npm run build   # build project
npm test        # run tests
npm run lint    # lint