.onChange(of: textInput) { old, new in
   let detect = NLLanguageRecognizer()
   detect.processString(new)
   detect.languageConstraints = [.english, .spanish]
         
   if let code = detect.dominantLanguage {
      if code == .english {
         appData.selectedSource = 0
      } else {
         appData.selectedSource = 1
      }
   }
}