export function isRecord(value: unknown): value is Record<string, unknown> {
  return value !== null && typeof value === 'object' && !Array.isArray(value);
}

export function hasOwn(record: object, key: PropertyKey): boolean {
  return Object.prototype.hasOwnProperty.call(record, key);
}

export function hasExactKeys(
  record: Readonly<Record<string, unknown>>,
  keys: readonly string[],
): boolean {
  const actual = Object.keys(record).sort();
  const expected = [...keys].sort();
  return actual.length === expected.length && actual.every((key, index) => key === expected[index]);
}

export function cloneJson(value: unknown): unknown {
  if (Array.isArray(value)) return value.map(cloneJson);
  if (!isRecord(value)) return value;
  return Object.fromEntries(Object.entries(value).map(([key, child]) => [key, cloneJson(child)]));
}