add this to layout.tsx
export const onRequest: RequestHandler = async (resEv) => {
if (process.env.VERCEL_SKEW_PROTECTION_ENABLED) {
// document request
if (resEv.request.headers.has("Sec-Fetch-Dest")) {
console.log("Sec-Fetch-Dest", resEv.headers.get("Sec-Fetch-Dest"));
resEv.headers.set(
"SET-COOKIE",
`__vdpl=${process.env.VERCEL_DEPLOYMENT_ID}; Path=${resEv.basePathname || "/"}; SameSite=Strict; Secure; HttpOnly`
);
}
}
};