function gennerateJsonKey(obj: any): string | undefined {
  if (obj === null || typeof obj !== 'object') {
    return JSON.stringify(obj);
  }

  if (Array.isArray(obj)) {
    const arrayValues = obj.map((item) => gennerateJsonKey(item));
    return `[${arrayValues.join(',')}]`;
  }

  const sortedKeys = Object.keys(obj).sort();
  let result = '{';

  for (const key of sortedKeys) {
    if (result.length > 1) {
      result += ',';
    }

    result += `"${key}":${gennerateJsonKey(obj[key])}`;
  }

  result += '}';
  return result;
}

export default gennerateJsonKey;