import { NextRequest, NextResponse } from "next/server";
import { client } from "./lib/client";
import { cookies } from 'next/headers'; // import nextjs cookies here

export const middleware = async (req: NextRequest) => {
  const cookieString = (await cookies()).toString(); // get cookie string
  const { userSession } = await (
    await client.user.getUserSession.$get(undefined, {
      headers: {
        Cookie: cookieString,
      },
    })
  ).json();

//existing code...
}

import { NextRequest, NextResponse } from "next/server";
import { client } from "./lib/client";
import { cookies } from 'next/headers'; // import nextjs cookies here

export const middleware = async (req: NextRequest) => {
  const cookieString = (await cookies()).toString(); // get cookie string
  const { userSession } = await (
    await client.user.getUserSession.$get(undefined, {
      headers: {
        Cookie: cookieString,
      },
    })
  ).json();

//existing code...
}

 import { client } from "./lib/client"

 import { client } from "./lib/client"

await client.user.getUserSession.$get(); // pass in the cookie header into this request

await client.user.getUserSession.$get(); // pass in the cookie header into this request

import { cookies } from 'next/headers';

// Get cookie string representation
const cookieString = (await cookies()).toString();

// Use in fetch request
const response = await fetch('/my-url', {
  headers: {
    Cookie: cookieString
  }
});

import { cookies } from 'next/headers';

// Get cookie string representation
const cookieString = (await cookies()).toString();

// Use in fetch request
const response = await fetch('/my-url', {
  headers: {
    Cookie: cookieString
  }
});