/home/infinitibizsol/.trash/node_modules.11/mongoose/lib/helpers/ Current File: /home/infinitibizsol/.trash/node_modules.11/mongoose/lib/helpers/firstKey.js

'use strict';

module.exports = function firstKey(obj) {
  if (obj == null) {
    return null;
  }
  return Object.keys(obj)[0];
};