content: /**
   * React Starter Kit (https://www.reactstarterkit.com/)
   *
   * Copyright © 2014-2016 Kriasoft, LLC. All rights reserved.
   *
   * This source code is licensed under the MIT license found in the
   * LICENSE.txt file in the root directory of this source tree.
   */
  
  import 'babel-polyfill';
  import path from 'path';
  import express from 'express';
  import cookieParser from 'cookie-parser';
  import bodyParser from 'body-parser';
  import expressJwt from 'express-jwt';
  import expressGraphQL from 'express-graphql';
  import jwt from 'jsonwebtoken';
  import React from 'react';
  import ReactDOM from 'react-dom/server';
  import UniversalRouter from 'universal-router';
  import PrettyError from 'pretty-error';
  import App from './components/App';
  import Html from './components/Html';
  import { ErrorPageWithoutStyle } from './routes/error/ErrorPage';
  import errorPageStyle from './routes/error/ErrorPage.css';
  import passport from './core/passport';
  import models from './data/models';
  import schema from './data/schema';
  import routes from './routes';
  import assets from './assets'; // eslint-disable-line import/no-unresolved
  import { port, auth } from './config';
  
  const app = express();
  
  //
  // Tell any CSS tooling (such as Material UI) to use all vendor prefixes if the
  // user agent is not known.
  // -----------------------------------------------------------------------------
  global.navigator = global.navigator || {};
  global.navigator.userAgent = global.navigator.userAgent || 'all';
  
  //
  // Register Node.js middleware
  // -----------------------------------------------------------------------------
  app.use(express.static(path.join(__dirname, 'public')));
  app.use(cookieParser());
  app.use(bodyParser.urlencoded({ extended: true }));
  app.use(bodyParser.json());
  
  //
  // Authentication
  // -----------------------------------------------------------------------------
  app.use(expressJwt({
    secret: auth.jwt.secret,
    credentialsRequired: false,
    getToken: req => req.cookies.id_token,
  }));
  app.use(passport.initialize());
  
  if (process.env.NODE_ENV !== 'production') {
    app.enable('trust proxy');
  }
  app.get('/login/facebook',
    passport.authenticate('facebook', { scope: ['email', 'user_location'], session: false }),
  );
  app.get('/login/facebook/return',
    passport.authenticate('facebook', { failureRedirect: '/login', session: false }),
    (req, res) => {
      const expiresIn = 60 * 60 * 24 * 180; // 180 days
      const token = jwt.sign(req.user, auth.jwt.secret, { expiresIn });
      res.cookie('id_token', token, { maxAge: 1000 * expiresIn, httpOnly: true });
      res.redirect('/');
    },
  );
  
  //
  // Register API middleware
  // -----------------------------------------------------------------------------
  app.use('/graphql', expressGraphQL(req => ({
    schema,
    graphiql: process.env.NODE_ENV !== 'production',
    rootValue: { request: req },
    pretty: process.env.NODE_ENV !== 'production',
  })));
  
  //
  // Register server-side rendering middleware
  // -----------------------------------------------------------------------------
  app.get('*', async (req, res, next) => {
    try {
      const css = new Set();
  
      // Global (context) variables that can be easily accessed from any React component
      // https://facebook.github.io/react/docs/context.html
      const context = {
        // Enables critical path CSS rendering
        // https://github.com/kriasoft/isomorphic-style-loader
        insertCss: (...styles) => {
          // eslint-disable-next-line no-underscore-dangle
          styles.forEach(style => css.add(style._getCss()));
        },
      };
  
      const route = await UniversalRouter.resolve(routes, {
        path: req.path,
        query: req.query,
      });
  
      if (route.redirect) {
        res.redirect(route.status || 302, route.redirect);
        return;
      }
  
      const data = { ...route };
      data.children = ReactDOM.renderToString(<App context={context}>{route.component}</App>);
      data.style = [...css].join('');
      data.scripts = [
        assets.vendor.js,
        assets.client.js,
      ];
      if (assets[route.chunk]) {
        data.scripts.push(assets[route.chunk].js);
      }
  
      const html = ReactDOM.renderToStaticMarkup(<Html {...data} />);
      res.status(route.status || 200);
      res.send(`<!doctype html>${html}`);
    } catch (err) {
      next(err);
    }
  });
  
  //
  // Error handling
  // -----------------------------------------------------------------------------
  const pe = new PrettyError();
  pe.skipNodeFiles();
  pe.skipPackage('express');
  
  app.use((err, req, res, next) => { // eslint-disable-line no-unused-vars
    console.log(pe.render(err)); // eslint-disable-line no-console
    const html = ReactDOM.renderToStaticMarkup(
      <Html
        title="Internal Server Error"
        description={err.message}
        style={errorPageStyle._getCss()} // eslint-disable-line no-underscore-dangle
      >
        {ReactDOM.renderToString(<ErrorPageWithoutStyle error={err} />)}
      </Html>,
    );
    res.status(err.status || 500);
    res.send(`<!doctype html>${html}`);
  });
  
  //
  // Launch the server
  // -----------------------------------------------------------------------------
  /* eslint-disable no-console */
  models.sync().catch(err => console.error(err.stack)).then(() => {
    app.listen(port, () => {
      console.log(`The server is running at http://localhost:${port}/`);
    });
  });
  /* eslint-enable no-console */
  