import {
  HMSReactiveStore,
  selectIsConnectedToRoom,
} from "@100mslive/hms-video-store";
    
const hms = new HMSReactiveStore();
const hmsStore = hms.getStore();
const hmsActions = hms.getActions();

hmsActions.join({ 
  userName: "streamer", 
  authToken: "<app-token>" 
});

hmsStore.subscribe(isConnected => {
  if (isConnected)
    hmsActions.startHLSStreaming();
}, selectIsConnectedToRoom);