import { ClientHints } from "client-hints";
import { userAgentParser } from "some-user-agent-parser-library";

app.get("/api-endpoint", (req, res) => {
  const hints = new ClientHints(req);

  const isMobile =
    hints.mobile ?? // cheap
    userAgentParser(req.get("user-agent")).device?.type === "mobile"; // more expensive

  const browserName =
    hints.vendorName ?? // cheap
    userAgentParser(req.get("user-agent")).browser?.name; // more expensive

  console.log(JSON.stringify(hints, null, 2)); // Serialises all available hints

  res.send(`${isMobile ? "Mobile" : "Desktop"} browser: ${browserName}`);
});