text: export function parseQueryParams(queryString) {
    if (queryString === '') return {};
    const parts = queryString
      .split('?')
      .pop()
      .split('&')
      .map(p => p.split('='));
  
    const params = {};
    parts.forEach(array => {
      const [first, second] = array;
      params[first] = second;
    });
    return params;
  }
  
  export function toQueryString(params) {
    if (!params) return '';
  
    const parts = [];
    Object.keys(params).forEach(key => {
      if (Object.prototype.hasOwnProperty.call(params, key) && params[key]) {
        parts.push(`${key}=${params[key]}`);
      }
    });
  
    return parts.join('&');
  }
  