how do i redirect on load?

export const route = {
  load: async () => {
    "use server";
    const cookie = getCookie("chat_session");
    if (!cookie) throw redirect("/");
  },
};

export const route = {
  load: async () => {
    "use server";
    const cookie = getCookie("chat_session");
    if (!cookie) throw redirect("/");
  },
};