function buildTemporaryStorageLink(compareUrl, urlAudited, previousUrlMap) {
  const baseUrl = previousUrlMap.get(urlAudited);
  if (!baseUrl) return compareUrl;
  const linkUrl = new URL(DIFF_VIEWER_URL);
  linkUrl.searchParams.set('baseReport', baseUrl);
  linkUrl.searchParams.set('compareReport', compareUrl);
  return linkUrl.href;
}
@param {string} compareUrl
@param {string} urlAudited
@param {Map<string, string>} previousUrlMap
@return {string}