connect redux-saga to phoenix channel

sagas.js

function* connectToSocket(url) {
  const socket = new Socket(socketBaseUrl() + url, { params: { token: 'your-auth-token' } });
  socket.connect();
  return socket;
}

// channel.join is async, this is probably an error
function* joinChannel(socket, channel_name) {
  const channel = socket.channel(channel_name, {});
  channel.join();
  return channel;
}

// this function creates an event channel from a given socket
function createSocketChannel(channel) {
  // `eventChannel` takes a subscriber function
  // the subscriber function takes an `emit` argument to put messages onto the channel
  return eventChannel(emit => {
    const newStoryHandler = (event) => {
      emit(newStoryReceived(event));
    }

    channel.on('new_story', newStoryHandler);

    const unsubscribe = () => {
      channel.off('new_story', newStoryHandler)
    }

    return unsubscribe;
  });
}

function* handleNewStory(action) {
  yield put(action);
}

function* connectToStoryChannel() {
  const socket = yield call(connectToSocket, '/socket');
  const channel = yield call(joinChannel, socket, 'rooms:lobby');

  const socketChannel = yield call(createSocketChannel, channel);

  while (true) {
    const action = yield take(socketChannel)
    yield fork(handleNewStory, action)
  }
}

export function* getWatcher() {
  yield fork(takeLatest, CONNECT_TO_STORY_CHANNEL, connectToStoryChannel);
}

export function* storiesSaga() {
  // Fork watcher so we can continue execution
  const watcher = yield fork(getWatcher);

  // Suspend execution until location changes
  yield take(LOCATION_CHANGE);
  yield cancel(watcher);
}

Right now when a message is broadcasted, I get the following error on the saga:

uncaught at check Saga was provided with an undefined action
Hints:
    - check that your Action Creator returns a non-undefined value
    - if the Saga was started using runSaga, check that your subscribe source provides the action to its listeners

the problem was that newStoryHandler callback needed to return an action. The gist should be working right now although I don't like the join channel generator