@MainActor
var showBirthday: String? {
   let decoder = JSONDecoder()
   if let info, let authorInfo = try? decoder.decode(AuthorInfo.self, from: info) {
      if let date = authorInfo.birthday, date < Date() {
         return authorInfo.birthday?.formatted(date: .abbreviated, time: .omitted)
      }
   }
   return nil
}
@MainActor
var showPlaceOfBirth: String? {
   let decoder = JSONDecoder()
   if let info, let authorInfo = try? decoder.decode(AuthorInfo.self, from: info) {
      if !authorInfo.placeOfBirth.isEmpty {
         return authorInfo.placeOfBirth
      }
   }
   return nil
}