diff --git a/app/components/chat.tsx b/app/components/chat.tsx index 369d84c3326..9144f9a5f45 100644 --- a/app/components/chat.tsx +++ b/app/components/chat.tsx @@ -6,6 +6,7 @@ import React, { useMemo, useCallback, Fragment, + RefObject, } from "react"; import SendWhiteIcon from "../icons/send-white.svg"; @@ -382,11 +383,13 @@ function ChatAction(props: { ); } -function useScrollToBottom() { +function useScrollToBottom( + scrollRef: RefObject, + detach: boolean = false, +) { // for auto-scroll - const scrollRef = useRef(null); - const [autoScroll, setAutoScroll] = useState(true); + const [autoScroll, setAutoScroll] = useState(true); function scrollDomToBottom() { const dom = scrollRef.current; if (dom) { @@ -399,7 +402,7 @@ function useScrollToBottom() { // auto scroll useEffect(() => { - if (autoScroll) { + if (autoScroll && !detach) { scrollDomToBottom(); } }); @@ -658,7 +661,17 @@ function _Chat() { const [userInput, setUserInput] = useState(""); const [isLoading, setIsLoading] = useState(false); const { submitKey, shouldSubmit } = useSubmitHandler(); - const { scrollRef, setAutoScroll, scrollDomToBottom } = useScrollToBottom(); + const scrollRef = useRef(null); + const isScrolledToBottom = scrollRef?.current + ? Math.abs( + scrollRef.current.scrollHeight - + (scrollRef.current.scrollTop + scrollRef.current.clientHeight), + ) <= 1 + : false; + const { setAutoScroll, scrollDomToBottom } = useScrollToBottom( + scrollRef, + isScrolledToBottom, + ); const [hitBottom, setHitBottom] = useState(true); const isMobileScreen = useMobileScreen(); const navigate = useNavigate(); @@ -1003,7 +1016,6 @@ function _Chat() { setHitBottom(isHitBottom); setAutoScroll(isHitBottom); }; - function scrollToBottom() { setMsgRenderIndex(renderMessages.length - CHAT_PAGE_SIZE); scrollDomToBottom();