generator-sails-rest-api/generators/response/templates/api/responses/badRequest.js

Yeoman generator that provides already configured and optimized Sails REST API with bundle of predefined features

"use strict";

/**
 * 400 (Bad Request) Response
 *
 * The request cannot be fulfilled due to bad syntax.
 * General error when fulfilling the request would cause an invalid state.
 * Domain validation errors, missing data, etc.
 */

const _ = require('lodash');

module.exports = function (data, config) {
  const response = _.assign({
    code: _.get(config, 'code', 'E_BAD_REQUEST'),
    message: _.get(config, 'message', 'The request cannot be fulfilled due to bad syntax'),
    data: data || {}
  }, _.get(config, 'root', {}));

  this.res.status(400);
  this.res.jsonx(response);
};