Reconnection

reconnectStream.on('state', (data) => {
  switch (data.status) {
    case 'disconnected':
      // Connection lost
      // data.code — WebSocket close code
      // data.reason — Close reason string
      break;

    case 'reconnecting':
      // Reconnection process started
      showMessage('Reconnecting...');
      break;

    case 'retrying':
      // Actively attempting to reconnect
      showMessage('Retrying connection...');
      break;

    case 'connected':
      // Successfully reconnected
      showMessage('Reconnected!');
      break;

    case 'failed':
      // Reconnection gave up
      // data.code = 4007 (reconnection timeout)
      showMessage('Unable to reconnect. Please refresh the page.');
      break;
  }
});

// The SDK posts this message automatically on disconnect
window.parent.postMessage({
  type: 'stream-state',
  value: 'disconnected',
  code: 4007
}, '*');