lazyAnalytics.ts

import { useInstance } from 'object-hooks';
 
class Analytics {
   private api = () => {
     const raceError = new Error('handler called before loaded');
     bugsnagClient.notify(raceError);
   };

   public log = (...args: any[]) => {
     return this.api(...args);
   };

   async load() {
     this.api = (await import('./lazyAnalytics')).default
   }
}

function useLazyAnalytics() {
  const [analytics] = useInstance(Analytics);

  useEffect(() => {
    analytics.load();
  }, []);

  return analytics.log;
}

// usage
const log = useLazyAnalytics();

// later

log(/* ... call */)