url_utils.ts

function getUrlParam(key: string): string {
  const urlParams = new URLSearchParams(window.location.search);
  return urlParams.get(key) ?? "";
}

function addUrlParam(key: string, value: string): void {
  const url = new URL(window.location.href);
  url.searchParams.set(key, value);
  const newUrl = url.href;
  window.history.pushState({ path: newUrl }, "", newUrl);
}