text: export const GA_TRACKING_ID = process.env.NEXT_PUBLIC_GTAG;
  
  // https://developers.google.com/analytics/devguides/collection/gtagjs/pages
  export const pageview = url => {
    window.gtag('config', GA_TRACKING_ID, {
      page_path: url,
    });
  };
  
  // https://developers.google.com/analytics/devguides/collection/gtagjs/events
  export const event = ({ action, category, label, value }) => {
    window.gtag('event', action, {
      event_category: category,
      event_label: label,
      value: value,
    });
  };
  