console.log("[Mango] Let's get the business done.") function checkWhitelist(url) { return browser.storage.local.get("whitelist").then((result) => { const whitelist = result.whitelist || []; return whitelist.includes(url); }); } const currentHostname = location.hostname; checkWhitelist(currentHostname).then((isWhitelisted) => { if (!isWhitelisted) { const styles = ` * { border-radius: 0 !important; } `; const injectedStyle = document.createElement("style"); injectedStyle.type = "text/css"; injectedStyle.innerText = styles; document.head.appendChild(injectedStyle); } else { console.log("[Mango] Mercy! This page is whitelisted.") } });