middleware.ts

import authConfig from "@/auth.config";
import NextAuth from "next-auth";
import {
    DEFAULT_LOGIN_REDIRECT,
    apiAuthPrefix,
    authRoutes,
    publicRoutes
} from "@/routes";
 
const { auth } = NextAuth(authConfig);

export default auth(async function middleware(req: any) {
    const { nextUrl } = req;
    const isLoggedIn = !!req.auth;

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

    if (isApiAuthRoute) {
        return ;
    }
    if (isAuthRoute) {
        if (isLoggedIn) {
            return Response.redirect(new URL(DEFAULT_LOGIN_REDIRECT, nextUrl))
        }
        return;
    }
    if (!isLoggedIn && !isPublicRoute) {
        let callbackUrl = nextUrl.pathname;
        if (nextUrl.search) {
            callbackUrl += nextUrl.search;
        }
        const encodedCallbackUrl = encodeURIComponent(callbackUrl);

        return Response.redirect(new URL(`/auth/login?callbackUrl=${encodedCallbackUrl}`, nextUrl));
    }

    return ;
})
 
// Optionally, don't invoke Middleware on some paths
export const config = {
  matcher: ['/((?!.*\\..*|_next).*)', '/', '/(api|trpc)(.*)'],
}