speech.ts

type SpeechRecognitionListener = (e: SpeechRecognitionEvent) => void;

export function createSpeechRecognition(
  onResult: SpeechRecognitionListener,
): SpeechRecognition | undefined {
  if (typeof window !== 'object') return;

  const SpeechRecognition = window.SpeechRecognition || window.webkitSpeechRecognition;

  if (typeof SpeechRecognition !== 'undefined') {
    const recognition = new SpeechRecognition();

    recognition.continuous = true;
    recognition.addEventListener('result', onResult);

    return recognition;
  }
}