82 lines
2.3 KiB
TypeScript
82 lines
2.3 KiB
TypeScript
import { ChatRequestOptions, Message } from 'ai';
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import { PreviewMessage, ThinkingMessage } from './message';
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import { useScrollToBottom } from './use-scroll-to-bottom';
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import { Overview } from './overview';
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import { memo } from 'react';
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import { Vote } from '@/lib/db/schema';
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import equal from 'fast-deep-equal';
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interface MessagesProps {
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chatId: string;
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isLoading: boolean;
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votes: Array<Vote> | undefined;
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messages: Array<Message>;
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setMessages: (
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messages: Message[] | ((messages: Message[]) => Message[]),
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) => void;
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reload: (
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chatRequestOptions?: ChatRequestOptions,
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) => Promise<string | null | undefined>;
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isReadonly: boolean;
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isBlockVisible: boolean;
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}
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function PureMessages({
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chatId,
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isLoading,
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votes,
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messages,
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setMessages,
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reload,
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isReadonly,
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}: MessagesProps) {
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const [messagesContainerRef, messagesEndRef] =
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useScrollToBottom<HTMLDivElement>();
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return (
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<div
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ref={messagesContainerRef}
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className="flex flex-col min-w-0 gap-6 flex-1 overflow-y-scroll pt-4"
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>
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{messages.length === 0 && <Overview />}
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{messages.map((message, index) => (
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<PreviewMessage
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key={message.id}
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chatId={chatId}
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message={message}
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isLoading={isLoading && messages.length - 1 === index}
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vote={
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votes
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? votes.find((vote) => vote.messageId === message.id)
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: undefined
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}
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setMessages={setMessages}
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reload={reload}
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isReadonly={isReadonly}
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/>
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))}
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{isLoading &&
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messages.length > 0 &&
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messages[messages.length - 1].role === 'user' && <ThinkingMessage />}
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<div
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ref={messagesEndRef}
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className="shrink-0 min-w-[24px] min-h-[24px]"
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/>
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</div>
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);
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}
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export const Messages = memo(PureMessages, (prevProps, nextProps) => {
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if (prevProps.isBlockVisible && nextProps.isBlockVisible) return true;
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if (prevProps.isLoading !== nextProps.isLoading) return false;
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if (prevProps.isLoading && nextProps.isLoading) return false;
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if (prevProps.messages.length !== nextProps.messages.length) return false;
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if (!equal(prevProps.messages, nextProps.messages)) return false;
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if (!equal(prevProps.votes, nextProps.votes)) return false;
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return true;
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});
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