headers: heads vs. CreateNextContextOptions

export const createTRPCContext = async (opts: CreateNextContextOptions) => {
  // watch 1:21 at https://youtu.be/YkOSUVzOAA4?si=ZPeiTCVKMH_7tjvd
  // auth doesn't have the user object, only the userId
  const { req } = opts;
  const auth = getAuth(req);
  const currentUserId = auth.userId;
  return {
    db,
    currentUserId,
    ...opts,
  };
};

const createContext = cache(() => {
  const heads = new Headers(headers());
  heads.set("x-trpc-source", "rsc");

  return createTRPCContext({
    headers: heads,
  });
});