Function render

app/server.jsx:66–105

(req, res)

 * and pass it into the Router.run function.
 */
export default function render(req, res) {

  // Note that req.url here should be the full URL path from
  // the original request, including the query string.
  match({ routes, location: req.url }, (error, redirectLocation, renderProps) => {
    if (error) {
      res.status(500).send(error.message);
    } else if (redirectLocation) {
      res.redirect(302, redirectLocation.pathname + redirectLocation.search);
    } else if (renderProps) {
      fetchTopics(apiResult => {
        const authenticated = req.isAuthenticated();
        const store = configureStore({
          // reducer: {initialState}
          topic: {
            topics: apiResult
          },
          user: {
            authenticated: authenticated, 
            isWaiting: false
          }
        });
        const initialState = store.getState();
        const renderedContent = renderToString(
        <Provider store={store}>
          <RoutingContext {...renderProps} />
        </Provider>);
        const renderedPage = renderFullPage(renderedContent, initialState, {
          title: headconfig.title,
          meta: headconfig.meta,
          link: headconfig.link
        });
        res.status(200).send(renderedPage);
      });
    } else {
      res.status(404).send('Not Found');
    }
    
  });
};