middleware.ts

import { getToken } from "next-auth/jwt";
import withAuth from "next-auth/middleware";
import { NextRequest, NextResponse } from "next/server";

export default withAuth (async function middleware (request:NextRequest) {
    const pathname =   request.nextUrl.pathname;
    const isAuth = await getToken({req:request});
    const protectedRoutes = ['/app/profile'];
    const isAuthRoute = pathname.startsWith('/auth')
    const isProtectedRoute = protectedRoutes.some((route) => 
        pathname.startsWith(route)
);
if (!isAuth && isProtectedRoute) {
    return NextResponse.redirect(new URL ('/signin',request.url))
}
if(isAuthRoute && isAuth) {
    return NextResponse.redirect(new URL ('/profile',request.url))
}
}, {
    callbacks : {
        async authorized () {
            return true;
        }
    }
});

export const config = {
    matcher: [
        '/profile/:path*','/auth/:path*'
    ]
};