export async function middleware(request: NextRequest) {
  const response = NextResponse.next()

  if (request.nextUrl.pathname.startsWith("/api")) {
    response.headers.append("Access-Control-Allow-Origin", "*")
  }
  //...
  return response
}

export async function middleware(request: NextRequest) {
  const response = NextResponse.next()

  if (request.nextUrl.pathname.startsWith("/api")) {
    response.headers.append("Access-Control-Allow-Origin", "*")
  }
  //...
  return response
}