annotate love/epi/src/components/ChatUI/ChatUI.tsx @ 157:2db6253f355d

[ThirdParty] Added highlight library for better readability on blog.
author June Park <parkjune1995@gmail.com>
date Tue, 13 Jan 2026 19:18:47 -0800
parents cf9caa4abc3e
children
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cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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1 import { MessageContainer } from './MessageContainer';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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2 import { Composer } from './Composer';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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3 import { useChat } from '@/hooks/useChat';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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4 import { useEffect, useRef, useState } from 'react';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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5 import { apiUrl } from '@/utils';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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6 import { currentChatId } from '@/atoms/chatAtoms';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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7 import { useAtom } from 'jotai';
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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8
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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9 export function ChatUI({ chatId }: {chatId: string}) {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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10 const [loading, setLoading] = useState(false);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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11 const { messages, setMessages } = useChat(chatId);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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12 const scrollRef = useRef<HTMLDivElement>(null);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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13 const setCurrentChatId = useAtom(currentChatId)[1];
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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14 setCurrentChatId(chatId);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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15
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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16 // Ignore warning since I want to render once.
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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17 useEffect(() => {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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18 const loadHistory = async () => {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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19 if (!chatId || chatId === 'new') return;
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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20 setLoading(true);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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21 try {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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22 const res = await fetch(apiUrl(`/chats/${chatId}/messages`));
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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23 if (!res.ok) throw new Error(`HTTP ${res.status}`);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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24 const data = await res.json();
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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25 if (data.messages.length > 0) {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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26 setMessages(data.messages);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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27 }
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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28 } catch (err) {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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29 console.error('Error from loading history: ', err);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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30 setMessages([]);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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31 } finally {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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32 setLoading(false);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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33 }
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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34 };
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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35 console.log('loadhistory');
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
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36 loadHistory();
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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37 }, [chatId]);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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38
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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39 useEffect(() => {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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40 // This is not ideal, but couldnt' get CSS to work.
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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41 const timer = setTimeout(() => {
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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42 scrollRef.current?.scrollTo({
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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43 top: scrollRef.current.scrollHeight,
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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44 behavior: 'smooth',
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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45 });
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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46 }, 100);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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47
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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48 return () => clearTimeout(timer);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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49 }, [messages]);
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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50
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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51 return (
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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52 <div className="flex flex-col bg-gray-100 dark:bg-black h-screen">
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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53 <div
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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54 ref={scrollRef}
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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55 className="flex-1 overflow-y-scroll"
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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56 >
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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57 {loading && (
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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58 <div className="flex justify-center items-center h-full">
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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59 <span>Loading messages...</span>
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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60 </div>
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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61 )}
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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62 <MessageContainer messages={messages} />
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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63 </div>
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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64 <Composer chatId={chatId} />
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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65 </div>
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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66 );
cf9caa4abc3e [Love] FE and BE. Can chat and render images. Also created MCP for powerpoint generations.
MrJuneJune <me@mrjunejune.com>
parents:
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67 }