~NAXC~

File Content: `urlStateUtils.ts`

export const updateURLParams = (params: Record<string, string | string[]>) => {
  const url = new URL(window.location.href);
  
  Object.entries(params).forEach(([key, value]) => {
    if (Array.isArray(value)) {
      if (value.length > 0) {
        url.searchParams.set(key, JSON.stringify(value));
      } else {
        url.searchParams.delete(key);
      }
    } else if (value) {
      url.searchParams.set(key, value);
    } else {
      url.searchParams.delete(key);
    }
  });

  window.history.replaceState({}, '', url.toString());
};

export const getURLParam = (key: string): string | null => {
  if (typeof window === 'undefined') return null;
  const params = new URLSearchParams(window.location.search);
  return params.get(key);
};

export const getURLArrayParam = (key: string): string[] => {
  const param = getURLParam(key);
  if (!param || typeof param !== 'string') return [];
  try {
    const parsed = JSON.parse(param);
    return Array.isArray(parsed) ? parsed : [];
  } catch {
    // If JSON parsing fails, try to split by comma as fallback
    try {
      return param.split(',').filter(item => item.trim().length > 0);
    } catch {
      return [];
    }
  }
};
File Content: urlStateUtils.ts

File Content: `urlStateUtils.ts`
