export const authConfig = {
providers: [
Credentials({
credentials: {
username: { type: "text", required: true },
password: { type: "password", required: true },
},
async authorize(credentials) {
const { username, password } = credentials as {
username: string;
password: string;
};

if (!username !password) return null;

const existingUser = await findUserByUsername(username);
if (!existingUser existingUser.password !== password) return null;

return {
...existingUser,
id: existingUser._id.toString(),
name: existingUser.username,
};
// return null;
},
}),
],
} satisfies NextAuthConfig;

import { authConfig } from "./app/api/auth/[...nextauth]/auth.config";

const { auth } = NextAuth(authConfig);

export default auth((req) => {
const { nextUrl } = req;
const isLoggedIn = !!req.auth;

const isApiAuthRoute = nextUrl.pathname.startsWith(apiAuthPrefix);
const isAuthRoute = authRoutes.includes(nextUrl.pathname);

if (isApiAuthRoute) return null;

if (isAuthRoute) {
if (isLoggedIn) {
return Response.redirect(new URL(DEFAULT_LOGIN_REDIRECT, nextUrl));
}

return null;
}

if (!isLoggedIn) {
return Response.redirect(new URL(DEFAULT_REDIRECT, nextUrl));
}

return null;
});

Please help me with this code I know middleware only works in "edge" runtime and when I import authConfig file this gives me edge runtime does not support Node.js 'stream' module.

Can someone help me with this I want to use mongodb here