content: /**
   * app.js
   *
   * This is the entry file for the application, only setup and boilerplate
   * code.
   */
  
  // Needed for redux-saga es6 generator support
  import 'babel-polyfill';
  
  /* eslint-disable import/no-unresolved, import/extensions */
  // Load the favicon, the manifest.json file and the .htaccess file
  import 'file?name=[name].[ext]!./favicon.ico';
  import '!file?name=[name].[ext]!./manifest.json';
  import 'file?name=[name].[ext]!./.htaccess';
  /* eslint-enable import/no-unresolved, import/extensions */
  
  // Import all the third party stuff
  import React from 'react';
  import ReactDOM from 'react-dom';
  import { Provider } from 'react-redux';
  import { applyRouterMiddleware, Router, browserHistory } from 'react-router';
  import { syncHistoryWithStore } from 'react-router-redux';
  import FontFaceObserver from 'fontfaceobserver';
  import { useScroll } from 'react-router-scroll';
  import configureStore from './store';
  
  if (process.env.NODE_ENV === 'development') {
    require('./reactotron-config'); // eslint-disable-line global-require
  }
  
  // Import Language Provider
  import LanguageProvider from 'containers/LanguageProvider';
  
  // Import CSS reset and Global Styles
  import 'sanitize.css/sanitize.css';
  import './global-styles';
  
  // Observe loading of Open Sans (to remove open sans, remove the <link> tag in
  // the index.html file and this observer)
  const openSansObserver = new FontFaceObserver('Open Sans', {});
  
  // When Open Sans is loaded, add a font-family using Open Sans to the body
  openSansObserver.load().then(() => {
    document.body.classList.add('fontLoaded');
  }, () => {
    document.body.classList.remove('fontLoaded');
  });
  
  // Import i18n messages
  import { translationMessages } from './i18n';
  
  // Create redux store with history
  // this uses the singleton browserHistory provided by react-router
  // Optionally, this could be changed to leverage a created history
  // e.g. `const browserHistory = useRouterHistory(createBrowserHistory)();`
  const initialState = {};
  const store = configureStore(initialState, browserHistory);
  
  // Sync history and store, as the react-router-redux reducer
  // is under the non-default key ("routing"), selectLocationState
  // must be provided for resolving how to retrieve the "route" in the state
  import { selectLocationState } from 'containers/App/selectors';
  const history = syncHistoryWithStore(browserHistory, store, {
    selectLocationState: selectLocationState(),
  });
  
  // Set up the router, wrapping all Routes in the App component
  import App from 'containers/App';
  import createRoutes from './routes';
  const rootRoute = {
    component: App,
    childRoutes: createRoutes(store),
  };
  
  const render = (messages) => {
    ReactDOM.render(
      <Provider store={store}>
        <LanguageProvider messages={messages}>
          <Router
            history={history}
            routes={rootRoute}
            render={
              // Scroll to top when going to a new page, imitating default browser
              // behaviour
              applyRouterMiddleware(useScroll())
            }
          />
        </LanguageProvider>
      </Provider>,
      document.getElementById('app')
    );
  };
  
  // Hot reloadable translation json files
  if (module.hot) {
    // modules.hot.accept does not accept dynamic dependencies,
    // have to be constants at compile-time
    module.hot.accept('./i18n', () => {
      render(translationMessages);
    });
  }
  
  // Chunked polyfill for browsers without Intl support
  if (!window.Intl) {
    (new Promise((resolve) => {
      resolve(System.import('intl'));
    }))
      .then(() => Promise.all([
        System.import('intl/locale-data/jsonp/en.js'),
        System.import('intl/locale-data/jsonp/de.js'),
      ]))
      .then(() => render(translationMessages))
      .catch((err) => {
        throw err;
      });
  } else {
    render(translationMessages);
  }
  
  // Install ServiceWorker and AppCache in the end since
  // it's not most important operation and if main code fails,
  // we do not want it installed
  if (process.env.NODE_ENV === 'production') {
    require('offline-plugin/runtime').install(); // eslint-disable-line global-require
  }
  