import { GoogleSpeechRecognition } from 'google-cloud-speech-webaudio';

const GOOGLE_API_KEY = '...';

// Optionally define a regional endpoint: https://cloud.google.com/speech-to-text/docs/endpoints
const EU_ENDPOINT = 'https://eu-speech.googleapis.com'

// If this parameter is not defined, the US endpoint will be used by default.
// const US_ENDPOINT = 'https://us-speech.googleapis.com'

const speechRecognition = new GoogleSpeechRecognition(GOOGLE_API_KEY, EU_ENDPOINT);

// start recording microphone audio to a buffer.
// on first run it will request microphone permission.
await speechRecognition.startListening();

// stop recording your audio, send the buffer to Google for transcription
const result = await speechRecognition.stopListening();

import { GoogleSpeechSynthesis } from 'google-cloud-speech-webaudio';

const GOOGLE_API_KEY = '...';

const speechSynthesis = new GoogleSpeechSynthesis(GOOGLE_API_KEY);

// make the API call and play the produced speech audio buffer
await speechSynthesis.speak('hello world');