check if audiotrack is playing getusermedia in javascript

index.tsx
// Get user media and create an AudioTrack
navigator.mediaDevices.getUserMedia({audio: true})
  .then(stream => {
    const ctx = new AudioContext();
    const source = ctx.createMediaStreamSource(stream);
    source.connect(ctx.destination);

    // Check if the Audiotrack is playing every 100ms
    const isPlayingInterval = setInterval(() => {
      const isPlaying = ctx.state === 'running';
      console.log('Is playing:', isPlaying);
      
      if (!isPlaying) clearInterval(isPlayingInterval);
    }, 100);
  })
  .catch(err => console.error(err));
560 chars
17 lines