middleware.ts

import { NextResponse } from 'next/server';
import type { NextRequest } from 'next/server';
import { createMiddlewareClient } from '@supabase/auth-helpers-nextjs';

export async function middleware(req: NextRequest) {
  const res = NextResponse.next();

  // Create a Supabase client configured to use cookies
  const supabase = createMiddlewareClient({ req, res });

  // Refresh session if expired - required for Server Components
  // https://supabase.com/docs/guides/auth/auth-helpers/nextjs#managing-session-with-middleware
  await supabase.auth.getSession();

  return res;
}

export const config = {
  matcher: [
    /*
     * Match all paths except for:
     * 1. /api routes
     * 2. /_next (Next.js internals)
     * 4. /_static (inside /public)
     * 5. /_vercel (Vercel internals)
     * 6. all root files inside /public (e.g. /favicon.ico)
     */
    '/((?!api|_next|_static|_vercel|[\\w-]+\\.\\w+).*)',
  ],
};