export class AppError extends Error {
  constructor(
    public code: string,
    message: string,
    public status = 409,
  ) {
    super(message);
  }
}
export function ensure(
  ok: unknown,
  code: string,
  message: string,
  status = 409,
): asserts ok {
  if (!ok) throw new AppError(code, message, status);
}