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[releases/v2.43] MGMT-21259: Do not animate scroll when chat is reopened #3078

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Merged
openshift-merge-bot merged 1 commit into from
Jul 28, 2025
Merged

[releases/v2.43] MGMT-21259: Do not animate scroll when chat is reopened #3078

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16 changes: 10 additions & 6 deletions libs/chatbot/lib/components/ChatBot/ChatBotWindow.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -99,6 +99,7 @@ const ChatBotWindow = ({
);
const [isConfirmModalOpen, setIsConfirmModalOpen] = React.useState(false);
const scrollToBottomRef = React.useRef<HTMLDivElement>(null);
const hasInitiallyScrolled = React.useRef(false);

const startNewChat = () => {
setConversationId(undefined);
Expand All @@ -115,10 +116,17 @@ const ChatBotWindow = ({
}
};

const scrollToBottom = React.useCallback(() => {
scrollToBottomRef.current?.scrollIntoView({ behavior: 'smooth' });
const scrollToBottom = React.useCallback((behavior: ScrollBehavior = 'smooth') => {
scrollToBottomRef.current?.scrollIntoView({ behavior });
}, []);

React.useEffect(() => {
// Determine scroll behavior: auto for initial render with existing messages, smooth for new content
const scrollBehavior = !hasInitiallyScrolled.current && messages.length > 0 ? 'auto' : 'smooth';
scrollToBottom(scrollBehavior);
hasInitiallyScrolled.current = true;
}, [messages, scrollToBottom]);

const handleSend = async (message: string | number) => {
setError(undefined);
setIsLoading(true);
Expand Down Expand Up @@ -253,10 +261,6 @@ const ChatBotWindow = ({
[onApiCall, conversationId, messages],
);

React.useEffect(() => {
scrollToBottomRef.current?.scrollIntoView({ behavior: 'smooth' });
}, [messages]);

return (
<Chatbot displayMode={ChatbotDisplayMode.default}>
<ChatbotHeader>
Expand Down
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