f1r3wave-website/src/auth.config.ts

import type { NextAuthConfig } from 'next-auth';

export const authConfig = {
  pages: {
    signIn: '/login',
  },
  callbacks: {
    authorized({ auth, request: { nextUrl } }) {
      const isLoggedIn = !!auth?.user;

      const isOnAdminRoute = nextUrl.pathname.startsWith('/admin');

      if (isOnAdminRoute) {
        if (isLoggedIn) return true;
        return false;
      }
      return true;
    },
  },
  providers: [],
} satisfies NextAuthConfig;