The following JavaScript function is embedded in this HTML file:
function Ns(e, t) {
const n = /* @__PURE__ */ Object.create(null), r = e.split(",");
for (let i = 0; i < r.length; i++)
n[r[i]] = !0;
return t ? (i) => !!n[i.toLowerCase()] : (i) => !!n[i];
}
// (Rest of your JavaScript function)