export function getHaveSharedParentDomain(params: { url1: string; url2: string }): boolean { const { url1, url2 } = params; const url1Domain = new URL(url1).hostname; const url2Domain = new URL(url2).hostname; const getLevel2Domain = (url: string): string => { const parts = url.split("."); return parts.slice(parts.length - 2).join("."); }; return getLevel2Domain(url1Domain) === getLevel2Domain(url2Domain); }