이제 이 컴포넌트를 ArticleScreen에서 사용하세요.

screens/ArticleScreen.tsx

(...)
import CommentItem from '../components/CommentItem';

type ArticleScreenRouteProp = RouteProp<RootStackParamList, 'Article'>;

function ArticleScreen() {
  (...)
  return (
    <FlatList
      style={styles.flatList}
      contentContainerStyle={[styles.flatListContent, {paddingBottom: bottom}]}
      data={commentsQuery.data}
      renderItem={({item}) => (
        <CommentItem
          id={item.id}
          message={item.message}
          publishedAt={item.published_at}
          username={item.user.username}
        />
      )}
      keyExtractor={(item) => item.id.toString()}
      ListHeaderComponent={
        <ArticleView
          title={title}
          body={body}
          publishedAt={published_at}
          username={user.username}
        />
      }
    />
  );
}

const styles = StyleSheet.create({
  (...)
});

export default ArticleScreen;