@vara/custom-logic-sdk/src/middleware/rest-error-handler.js

Server Side JavaScript SDK for Custom Business Logic

/**
 * Created by stevenchin on 2/3/17.
 */

const errorFormatter = require('../services/error-formatter');

function restErrorHandler() {

  return function middleware(err, req, res, next) { // eslint-disable-line no-unused-vars
    // prefer the error status code when it exists
    // otherwise we will default to a 500 error if that response status code was not modified
    const statusCode = err.statusCode || (res.statusCode && res.statusCode >= 400) ? res.statusCode : 500;
    const errResponse = errorFormatter.formatError(err);
    res.status(statusCode).json(errResponse);
  };
}

module.exports = restErrorHandler;