/**
 * Encodes an object as base64 string..
 * @param obj The object to encode
 */
exports.objToBase64 = function(obj) {
  return btoa(JSON.stringify(obj));
}

/**
 * Decodes a base64 encoded object.
 * @param base64 Encoded object
 */
exports.base64ToObj = function(base64) {
  return JSON.parse(atob(base64));
}

/**
 * Decodes a base64 encoded object.
 * @param base64 encoded object
 * @returns {string} decoded object
 */
function atob(base64) {
  return Buffer.from(base64, 'base64').toString('binary')
}

/**
 * Encodes an object as base64 string.
 * @param string The object to encode
 * @returns {string} base64 encoded object
 */
function btoa(string) {
  return Buffer.from(string).toString('base64')
}