types.ts

export interface SpeechRecognitionEvent extends Event {
  results: SpeechRecognitionResultList;
  resultIndex: number;
}

export interface SpeechRecognitionResultList {
  length: number;
  item(index: number): SpeechRecognitionResult;
  [index: number]: SpeechRecognitionResult;
}

export interface SpeechRecognitionResult {
  isFinal: boolean;
  length: number;
  item(index: number): SpeechRecognitionAlternative;
  [index: number]: SpeechRecognitionAlternative;
}

export interface SpeechRecognitionAlternative {
  transcript: string;
  confidence: number;
}

export interface SpeechRecognition extends EventTarget {
  continuous: boolean;
  interimResults: boolean;
  lang: string;
  start(): void;
  stop(): void;
  abort(): void;
  onresult: ((event: SpeechRecognitionEvent) => void) | null;
  onend: ((event: Event) => void) | null;
  onerror: ((event: Event) => void) | null;
}

declare global {
  interface Window {
    SpeechRecognition: {
      new (): SpeechRecognition;
    };
    webkitSpeechRecognition: {
      new (): SpeechRecognition;
    };
  }
}

export enum AppState {
  EDITING = 'EDITING',
  READING = 'READING',
}