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触底滚动控制 #179

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触底滚动控制 #179

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2 changes: 2 additions & 0 deletions src/components/Chat/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -178,6 +178,7 @@ export const Chat = React.forwardRef<HTMLDivElement, ChatProps>((props, ref) =>
rightAction,
Composer = DComposer,
isX,
nearBottomThreshold
} = props;
const [currentColorScheme, setCurrentColorScheme] = useState<'light' | 'dark'>('light');

Expand Down Expand Up @@ -252,6 +253,7 @@ export const Chat = React.forwardRef<HTMLDivElement, ChatProps>((props, ref) =>
onScroll={onScroll}
onBackBottomShow={onBackBottomShow}
onBackBottomClick={onBackBottomClick}
nearBottomThreshold={nearBottomThreshold}
/>
<div className="ChatFooter">
{renderQuickReplies ? (
Expand Down
4 changes: 3 additions & 1 deletion src/components/MessageContainer/index.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,7 @@ export interface MessageContainerProps {
renderBeforeMessageList?: () => React.ReactNode;
onBackBottomShow?: () => void;
onBackBottomClick?: () => void;
nearBottomThreshold?: number;
}

export interface MessageContainerHandle {
Expand All @@ -43,6 +44,7 @@ export const MessageContainer = React.forwardRef<MessageContainerHandle, Message
renderMessageContent,
onBackBottomShow,
onBackBottomClick,
nearBottomThreshold = 2
} = props;

const [showBackBottom, setShowBackBottom] = useState(false);
Expand Down Expand Up @@ -126,7 +128,7 @@ export const MessageContainer = React.forwardRef<MessageContainerHandle, Message
if (lastMessage.position === 'right') {
// 自己发的消息，强制滚动到底部
scrollToEnd({ force: true });
} else if (isNearBottom(wrapper, 2)) {
} else if (isNearBottom(wrapper, nearBottomThreshold)) {
const animated = !!wrapper.scrollTop;
scrollToEnd({ animated, force: true });
} else {
Expand Down