(function () {
  const utmParamQueryString = new URLSearchParams(window.location.search);

  if (utmParamQueryString.toString()) {
    const navLinks = document.querySelectorAll("a");

    navLinks.forEach(function (item) {
      if (!item.href || item.href.indexOf("#") !== -1) {
        return;
      }
      if (item.href.indexOf("?") === -1) {
        item.href += "?" + utmParamQueryString.toString();
      } else {
        item.href += "&" + utmParamQueryString.toString();
      }
    });
  }
})();