Function handleRootScroll

apps/web/ui/ChannelView/TopicView/index.tsx:354–361

()

  );

  const handleRootScroll = () => {
    const rootNode = scrollableRootRef.current;
    if (rootNode) {
      setIsLeftScrollAtBottom(isScrollAtBottom(rootNode));
      const scrollDistanceToBottom = rootNode.scrollHeight - rootNode.scrollTop;
      lastScrollDistanceToBottomRef.current = scrollDistanceToBottom;
    }
  };

  function scrollDown(offset = 0) {
    const scrollableRoot = scrollableRootRef.current;