uppy/packages/@uppy/audio/src/AudioSourceSelect.tsx

export interface AudioSourceSelectProps {
  currentDeviceId: string | MediaStreamTrack | null | undefined
  audioSources: MediaDeviceInfo[]
  onChangeSource: (value: string) => void
}

export default ({
  currentDeviceId,
  audioSources,
  onChangeSource,
}: AudioSourceSelectProps) => {
  return (
    <div className="uppy-Audio-videoSource">
      <select
        className="uppy-u-reset uppy-Audio-audioSource-select"
        onChange={(event) => {
          onChangeSource((event.target as HTMLSelectElement).value)
        }}
      >
        {audioSources.map((audioSource) => (
          <option
            key={audioSource.deviceId}
            value={audioSource.deviceId}
            selected={audioSource.deviceId === currentDeviceId}
          >
            {audioSource.label}
          </option>
        ))}
      </select>
    </div>
  )
}