// automatically pick platform
const say = require('say')

// or, override the platform
const Say = require('say').Say
const say = new Say('darwin' || 'win32' || 'linux')

// Use default system voice and speed
say.speak('Hello!')

// Stop the text currently being spoken
say.stop()

// More complex example (with an OS X voice) and slow speed
say.speak("What's up, dog?", 'Alex', 0.5)

// Fire a callback once the text has completed being spoken
say.speak("What's up, dog?", 'Good News', 1.0, (err) => {
  if (err) {
    return console.error(err)
  }

  console.log('Text has been spoken.')
});

// Export spoken audio to a WAV file
say.export("I'm sorry, Dave.", 'Cellos', 0.75, 'hal.wav', (err) => {
  if (err) {
    return console.error(err)
  }

  console.log('Text has been saved to hal.wav.')
})

say.speak(text, voice || null, speed || null, callback || null)

say.export(text, voice || null, speed || null, filename, callback || null)

say.stop(callback || null)

say.getInstalledVoices(callback)