Channels - Executing next.js

  const next = () => {
    if (query.hasNext) {
      dispatch({ type: 'start-loading' });
      query.limit = 20;
      query.next((err, fetchedChannels) => {
        dispatch({ type: 'end-loading' });
        if (!err) {
          dispatch({
            type: 'fetch-channels',
            payload: { channels: fetchedChannels }
          });
        } else {
          dispatch({
            type: 'error',
            payload: {
              error: 'Failed to get the channels.'
            }
          });
        }
      });
    }
  };