DefaultError.js

module.exports = function DefaultError(message, extra) {
	Error.captureStackTrace(this, this.constructor);
	this.name = this.constructor.name;
	this.message = message;
	this.extra = extra;
};

require('util').inherits(module.exports, Error);

errorUsage.js

import DefaultError from '../errors/DefaultError';
import axios from 'axios';

axios.get('/some/url')
  .then(payload => {
    // pay the piper
  })
  .catch(err => {
    throw new DefaultError('Failed to refresh an access token', err);
  });