dgx-react-ga-example.js

import ga from 'react-ga';

function GaUtils() {
  // other GA related functions

  this.trackEvent = category =>
  (action, label) => (
    // using ES6 object shortcut notation
    ga.event({
      category,
      action,
      label,
    });
  );
}

export default { 
  gaUtils: new GaUtils(),
};