middleware.ts

import { NextResponse } from 'next/server';
import type { NextRequest } from 'next/server';

export function middleware(request: NextRequest) {
  const { pathname } = request.nextUrl;
  
  // Explicit favicon handling - ensure it serves from public directory
  if (pathname === '/favicon.ico') {
    return NextResponse.next();
  }
  
  // Skip middleware for API routes and static files
  if (
    pathname.startsWith('/api/') ||
    pathname.startsWith('/_next/') ||
    pathname.startsWith('/static/') ||
    pathname.includes('.') // This catches .js, .css, .png, etc.
  ) {
    return NextResponse.next();
  }

  // Skip for known static routes
  const staticRoutes = [
    '/robots.txt',
    '/sitemap.xml',
    '/manifest.json'
  ];
  
  if (staticRoutes.includes(pathname)) {
    return NextResponse.next();
  }

  return NextResponse.next();
}

export const config = {
  matcher: [
    /*
     * Match all request paths except for the ones starting with:
     * - api (API routes)
     * - _next/static (static files)
     * - _next/image (image optimization files)
     * - favicon.ico (favicon file)
     */
    '/((?!api|_next/static|_next/image|favicon.ico).*)',
  ],
};