Error handler for NodeJS Project

error.js

const ErrorResponse = require('./errorResponse');
const logger = require('./logger');
const colors = require('colors');
colors.enable();

const errorHandler = (err, req, res, next) => {
  let error = { ...err };
  error.message = err.message;
  //   logger.error(err.stack.red);
  console.log(err.stack.red);

  // Mongoose bad ObjectId
  if (err.name === 'CastError') {
    const message = `Source not found with id of ${err.value}`;
    const reason = `reason${err.reason}`;
    const alignReason = reason.split(':')[1].trim();
    console.log(alignReason);

    error = new ErrorResponse(message, 404, alignReason);
  }

  res.status(error.statusCode || 500).json({
    name: error.name,
    success: false,
    error: error.message || 'Server Error',
    reason: error.reason,
  });
};

module.exports = errorHandler;