kafka-pub-sub/validation/validateData.js

An application which is designed based on apache kafka pub-sub.

const Joi = require('joi');

/**
 * Validates a kafka produced data.
 *
 * @param {string} data - The data to be validated.
 * @throws {Error} Invalid data: The type of data should be an object.
 */
const validateData = (data) => {
  if (!data) {
    throw new Error('Invalid data: No data found to produce');
  }

  const pubSubDataSchema = Joi.object().keys().unknown();

  const { error } = pubSubDataSchema.prefs({ errors: { label: 'key' } }).validate(data);

  if (error) {
    throw new Error('Invalid data: The type of data should be object');
  }
};

module.exports = validateData;