thread.html

<script>
  return {
    on: {
      pageInit: function (e, page) {
        const newCommentBtn = document.querySelector('#new-comment');

        // Toggle UI Element
        auth.onAuthStateChanged(user => {
          (user)
            ? newCommentBtn.classList.remove('display')
            : newCommentBtn.classList.add('display');
        });
      }
    }
  }
</script>