Render conditionally JSON or JSONP in Dyson

dyson_jsonp_endpoint.js

function renderJsonp(res, callback) {
  res.append('Content-Type', 'application/javascript');
  res.send(callback + '(' + JSON.stringify(res.body) + ');');
}

function renderJson(res) {
  res.send(res.body);
}

function render(req, res) {
  var callback = req.query.callback;
  if (callback) renderJsonp(res, callback);
  else renderJson(res);
};

module.exports = {
  path: '/api/v3/athlete/activities',
  template: {
    // ...
  },
  render: render
};