number-munchers/controllers/board/titlebar.controller.js

import * as TitlebarActions from '../../actions/board/titlebar.actions';

let dispatch;
let model;

const TitlebarCtrl = {
    setDispatch: d => dispatch = d,
    setModel: m => model = m,

    setTitle: (level) => {
        const title = model.getTitle(level);
        dispatch(TitlebarActions.update(title));
    }
};

export default TitlebarCtrl;