import type { NextApiRequest, NextApiResponse } from "next"; import { setCookie } from "../../utils/cookies"; export default function handler(_req: NextApiRequest, res: NextApiResponse) { // Calling our pure function using the `res` object, it will add the `set-cookie` header setCookie(res, "Next.js", "api-middleware!"); // Return the `set-cookie` header so we can display it in the browser and show that it works! res.end(JSON.stringify(res.getHeader("Set-Cookie"))); }