Render React in Express App, Set HTTP Status

server.js

var path = require('path');
var express = require('express');
var l = require('lodash');
var gutil = require('gulp-util');

var React = require('react');

var App = require('./index');

var STATIC_PATH = path.join(__dirname, '../build');

var TEMPLATE_PATH = path.join(STATIC_PATH, 'template.html');

var render = (function () {
  var template;
  template = require('fs').readFileSync(TEMPLATE_PATH);
  return l.template(template, null, {
    variabled: 'data'
  });
})();

var server = express();

server.use('/static', express.static(STATIC_PATH));

server.use(function renderReact (req, res, next) {
  var error, page, statusCodeColor;
  try {
    page = App({
      path: req.path,
      setHTTPStatus: function(code) {
        if (code != null) {
          return res.status(code);
        }
      }
    });
    res.send(render({
      data: {
        html: React.renderComponentToString(page)
      }
    }));
  } catch (_error) {
    error = _error;
    return next(error);
  }
  statusCodeColor = res.statusCode === 200 ? 'green' : 'red';
  return gutil.log(gutil.colors[statusCodeColor]("[" + res.statusCode + "]"), "GET", req.path);
});

server.use(function logError (err, req, res, next) {
  gutil.log(gutil.colors.red("[ERROR]"), req.path);
  return next(err);
});

var port = process.env.NODE_PORT || 3000;

server.listen(port, function hello () {
  return gutil.log("Server listening at http://localhost:" + port + "/");
});