auth.ts:

import NextAuth from "next-auth";
import prisma from "./lib/prisma";
import { PrismaAdapter } from "@auth/prisma-adapter";
import type { Adapter } from "next-auth/adapters";
import Google from "next-auth/providers/google";

export const { handlers, signIn, signOut, auth } = NextAuth({
    adapter: PrismaAdapter(prisma) as Adapter,
    providers: [Google] as any,
});

route.ts:

import { handlers } from "@/auth";

export const { GET, POST } = handlers;

Error:
https://i.imgur.com/B4zKemK.png