45 lines
879 B
TypeScript
45 lines
879 B
TypeScript
import { useState, useEffect } from 'react';
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import { useScrollToBottom } from './use-scroll-to-bottom';
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import type { UseChatHelpers } from '@ai-sdk/react';
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export function useMessages({
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chatId,
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status,
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}: {
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chatId: string;
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status: UseChatHelpers['status'];
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}) {
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const {
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containerRef,
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endRef,
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isAtBottom,
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scrollToBottom,
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onViewportEnter,
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onViewportLeave,
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} = useScrollToBottom();
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const [hasSentMessage, setHasSentMessage] = useState(false);
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useEffect(() => {
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if (chatId) {
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scrollToBottom('instant');
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setHasSentMessage(false);
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}
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}, [chatId, scrollToBottom]);
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useEffect(() => {
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if (status === 'submitted') {
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setHasSentMessage(true);
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}
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}, [status]);
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return {
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containerRef,
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endRef,
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isAtBottom,
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scrollToBottom,
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onViewportEnter,
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onViewportLeave,
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hasSentMessage,
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};
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}
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