export function queryValue(name: string, allowed?: readonly string[], fallback = ''): string {
  if (typeof window === 'undefined') return fallback;
  const value = new URLSearchParams(window.location.search).get(name) ?? fallback;
  return !allowed || allowed.includes(value) ? value : fallback;
}

export function replaceListQuery(values: Record<string, string>): void {
  if (typeof window === 'undefined') return;
  const params = new URLSearchParams(window.location.search);
  for (const [key, value] of Object.entries(values)) {
    if (value) params.set(key, value); else params.delete(key);
  }
  const query = params.toString();
  window.history.replaceState({}, '', window.location.pathname + (query ? `?${query}` : ''));
}