post.comments.map(commentL1 => { return ( <Comment.Content key={commentL1.id}> <Comment.Author as="a"> {commentL1.author.username} </Comment.Author> <Comment.Metadata> <span> {new Date(commentL1.datePublished).toLocaleString()} </span> </Comment.Metadata> <Comment.Text>{commentL1.text}</Comment.Text> </Comment.Content> ); })