mastodon/app/assets/javascripts/components/reducers/index.jsx

import { combineReducers }   from 'redux-immutable';
import timelines             from './timelines';
import meta                  from './meta';
import compose               from './compose';
import follow                from './follow';
import notifications         from './notifications';
import { loadingBarReducer } from 'react-redux-loading-bar';

export default combineReducers({
  timelines,
  meta,
  compose,
  follow,
  notifications,
  loadingBar: loadingBarReducer,
});