Youtube in React: infinite scroll in WatchContent

WatchContent.js

/* ... */
import {InfiniteScroll} from '../../../components/InfiniteScroll/InfiniteScroll';

class WatchContent extends React.Component {
  render() {
    /* ... */
    return (
      <InfiniteScroll bottomReachedCallback={this.props.bottomReachedCallback} showLoader={this.shouldShowLoader()}>
        <div className='watch-grid'>
          {/* ... */}
        </div>
      </InfiniteScroll>
    );
  }
  shouldShowLoader() {
    return !!this.props.nextPageToken;
  }
}
/* ... */