express.js

express-nunjucks.js

require('dotenv').config({ silent: true });
var express = require('express');
var app = express();
var port = process.env.PORT || 3002;
var smptSender = require('./smtp-sender');
var bodyParser = require('body-parser')
const compress = require('compression');
const nunjucks = require('nunjucks');
const isDeveloping = process.env.NODE_ENV !== 'production';

function getConfig() {
  return {
    areAnalyticsEnabled: process.env.ARE_ANALYTICS_ENABLED ? JSON.parse(process.env.ARE_ANALYTICS_ENABLED) : false,
    isHotjarEnabled: process.env.IS_HOTJAR_ENABLED ? JSON.parse(process.env.IS_HOTJAR_ENABLED) : false,
  };
}

const nunjucksConfig = {
  autoescape: true,
  express: app,
};

if (isDeveloping) {
  nunjucksConfig.noCache = true;
  nunjucksConfig.watch = true;
}
nunjucks.configure(['./frontend/templates', './frontend/templates/pages'], nunjucksConfig);

app.engine('html', nunjucks.render);
app.set('view engine', 'nunjucks');
app.use(bodyParser.json());
app.use(compress());

app.use(express.static(__dirname + '/web/'));

app.get('/', (req, res, next) => {
  res.render('index', getConfig());
});

/** dynamicaly serve templates */
app.get('/:page.:ext', (req, res, next) => {
  if(req.params.ext === 'html')  {
    res.render(req.params.page, getConfig(), (error, html) => {
      if(error) res.redirect('/404');
      else res.send(html);
    });
  }
  else next();
});

app.get('*', function(req, res){
  res.redirect('/404.html');
});

app.listen(port);
console.log('Listening on port ' + port);