react.server.js

function sendResponse(req, res, component, props = null) {
  props = props ?? {};
  renderReactTree(res, component, props);
}

router.get('/', function(req, res) {
  sendResponse(req, res, Home);
});

router.get('/posts', (req, res) => {
  sendResponse(req, res, PostList);
});

router.get('/posts/:id', (req, res) => {
  sendResponse(req, res, PostDetails, {id: req.params.id});
});

router.get('/new-post', (req, res) => {
  sendResponse(req, res, NewPost);
});