error.js

/**
 *  wfApi,
 *  Copyright (C) 2018 Ilkka Kuosmanen
 *
 *  This file is part of wfApi.
 *
 *  wfApi is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  wfApi is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with wfApi.  If not, see <http://www.gnu.org/licenses/>.
 */
'use strict';

class CustomError extends Error {
  constructor (message, err, data) {
    super(message);
    this.data = data;
    this.error = err;
  }
}

function normalizeError (err) {
  let ret = {
    message: err.message,
    data: err.data || {}
  };
  if (err.error instanceof CustomError) {
    ret.inner = normalizeError(err.error);
  }
  if(!ret.inner){
    ret.inner = {};
  }
  // Return stack and full error object if in developer mode
  if (process.env.NODE_ENV !== 'production') {
    ret.stack = err.stack;
    ret.full = err;
  }

  return ret;
}

module.exports = {
  normalizeError,
  CustomError
};