11039031412

Committed 25 Sep 2024 06:33PM UTC coverage: 34.33% (+2.5%) from 31.833%

Build # 11039031412

Build Type

Pull #9721

github

Committed by

b0b3rt

Commit Message

fix redirect

Pull Request Pull Request #9721: Llm chat post drafts

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966 of 5983 branches covered (16.15%)

Branch coverage included in aggregate %.

26 of 99 new or added lines in 15 files covered. (26.26%)

5 existing lines in 2 files now uncovered.

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13.81

/packages/lesswrong/components/languageModels/LanguageModelChat.tsx

import React, { useEffect, useRef, useState, useCallback, useContext } from 'react';
import { Components, registerComponent } from '../../lib/vulcan-lib';
import classNames from 'classnames';
import DeferRender from '../common/DeferRender';
import Button from '@material-ui/core/Button';
import { useMessages } from '../common/withMessages';
import Select from '@material-ui/core/Select';
import CloseIcon from '@material-ui/icons/Close';
import { useLocation } from "../../lib/routeUtil";
import { NewLlmMessage, PromptContextOptions, useLlmChat } from './LlmChatWrapper';
import type { Editor } from '@ckeditor/ckeditor5-core';
import CKEditor from '@/lib/vendor/ckeditor5-react/ckeditor';
import { getCkCommentEditor } from '@/lib/wrapCkEditor';
import { forumTypeSetting } from '@/lib/instanceSettings';
import { mentionPluginConfiguration } from '@/lib/editor/mentionsConfig';
import { ckEditorStyles } from '@/themes/stylePiping';
import { HIDE_LLM_CHAT_GUIDE_COOKIE } from '@/lib/cookies/cookies';
import { useCookiesWithConsent } from '../hooks/useCookiesWithConsent';
import { AnalyticsContext } from '@/lib/analyticsEvents';
import { AutosaveEditorStateContext } from '../editor/EditorFormComponent';
import { usePostsPageContext } from '../posts/PostsPage/PostsPageContext';

const styles = (theme: ThemeType) => ({
  root: {
    height: "calc(100vh - 160px)"
  },
  subRoot: {
    display: "flex",
    flexDirection: "column",
    height: "100%"
  },
  submission: {
    margin: 10,
    display: "flex",
    padding: 20,
    ...theme.typography.commentStyle,
  },
  editor: {
    minHeight: 60,
    '& .ck.ck-content': {
      minHeight: 60,
    },
    ...ckEditorStyles(theme),
    overflowY: 'scroll',
    paddingLeft: 20,
    paddingTop: 20,
    fontSize: '1.0rem',
    '& blockquote, & li': {
      fontSize: '1.0rem'
    }
  },
  inputTextbox: {
    margin: 10,
    marginTop: 20,
    borderRadius: 4,
    maxHeight: "40vh",
    backgroundColor: theme.palette.panelBackground.commentNodeEven,
    overflowY: 'hidden',
    overflowX: 'hidden',
    flexGrow: 0,
    flexShrink: 0,
    flexBasis: "auto",
    display: "flex",
    flexDirection: "column",
  },
  submitButton:{
    width: "fit-content",
    fontSize: "16px",
    color: theme.palette.lwTertiary.main,
    marginLeft: "5px",
    "&:hover": {
      opacity: .5,
      backgroundColor: "none",
    },
  },
  editorButtons: {
    display: "flex",
    justifyContent: "flex-end",
    padding: "10px",
  },
  welcomeGuide: {
    margin: 10,
    display: "flex",
    flexDirection: "column",
  },
  welcomeGuideText: {
    padding: 20,
    backgroundColor: theme.palette.grey[100],
    borderRadius: 10,
  },
  welcomeGuideButton: {
    cursor: "pointer",
    opacity: 0.8,
    alignSelf: "flex-end",
    fontStyle: "italic",
    marginBottom: 4
  },
  chatMessage: {
    padding: 20,
    margin: 10,
    borderRadius: 10,
    backgroundColor: theme.palette.grey[100],
  },
  chatMessageContent: {
  },
  userMessage: {
    backgroundColor: theme.palette.grey[300],
  },
  errorMessage: {
    backgroundColor: theme.palette.error.light,
  },
  messages: {
    overflowY: "scroll",
    flexGrow: 1,
    //the last child has margin bottom 0 (doesn't work)
    "& > *:last-child": {
      marginBottom: 0
    }
  },
  options: {
    flexGrow: 0,
    flexShrink: 0,
    flexBasis: "auto",
    fontFamily: theme.palette.fonts.sansSerifStack,
    marginLeft: 10
  },
  checkbox: {
    padding: 8
  },
  select: {
    // TODO: maybe really the styling of the options section should be flex display and flex grow stuff
    maxWidth: 250,
  },
  menuItem: {
    zIndex: theme.zIndexes.languageModelChat + 10,
    display: "flex",
    justifyContent: "space-between",
    alignItems: "center"
  },
  deleteConvoIcon: {
    marginLeft: 10,
    cursor: "pointer",
    opacity: 0.8,
    width: 16
  },
  loadingSpinner: {
    marginTop: 10
  },
});

const NEW_CONVERSATION_MENU_ITEM = "New Conversation";

const LLMChatMessage = ({message, classes}: {
  message: LlmMessagesFragment | NewLlmMessage,
  classes: ClassesType<typeof styles>,
}) => {
  const { ContentItemBody, ContentStyles } = Components;

  const { role, content } = message;

  return <ContentStyles contentType="llmChat" className={classes.chatMessageContent}>
    <ContentItemBody
      className={classNames(classes.chatMessage, {
        [classes.userMessage]: role === 'user',
        [classes.errorMessage]: role === 'error'
      })}
      dangerouslySetInnerHTML={{__html: content}}
    />
  </ContentStyles>
}

const LLMInputTextbox = ({onSubmit, classes}: {
  onSubmit: (message: string) => void,
  classes: ClassesType<typeof styles>,
}) => {
  const { ContentStyles } = Components;
  
  const [currentMessage, setCurrentMessage] = useState('');
  const ckEditorRef = useRef<CKEditor<any> | null>(null);
  const editorRef = useRef<Editor | null>(null);

  // TODO: we probably want to come back to this and enable cloud services for image uploading
  const editorConfig = {
    placeholder: 'Type here.  Ctrl/Cmd + Enter to submit.',
    mention: mentionPluginConfiguration,
  };

  const submitEditorContentAndClear = useCallback(() => {
    const currentEditorContent = editorRef.current?.getData();
    currentEditorContent && void onSubmit(currentEditorContent);
    setCurrentMessage('');
  }, [onSubmit]);

  // We need to pipe through the `conversationId` and do all of this eventListener setup/teardown like this because
  // otherwise messages get submitted to whatever conversation was "current" when the editor was initially loaded
  // Running this useEffect whenever either the conversationId or onSubmit changes ensures we remove and re-attach a fresh event listener with the correct "targets"
  useEffect(() => {
    const currentEditorRefValue = ckEditorRef.current;

    const options = { capture: true };
    const handleKeyDown = (event: KeyboardEvent) => {
      if ((event.ctrlKey || event.metaKey) && event.keyCode === 13) {
        event.stopPropagation();
        event.preventDefault();
        submitEditorContentAndClear();
      }
    };
  
    const internalEditorRefInstance = (currentEditorRefValue as AnyBecauseHard).domContainer?.current;
    if (internalEditorRefInstance) {
      internalEditorRefInstance.addEventListener('keydown', handleKeyDown, options);
    }

    return () => {
      const internalEditorRefInstance = (currentEditorRefValue as AnyBecauseHard)?.domContainer?.current;
      if (internalEditorRefInstance) {
        internalEditorRefInstance.removeEventListener('keydown', handleKeyDown, options);
      }
    }
  }, [onSubmit, submitEditorContentAndClear]);

  const submitButton = <div className={classes.editorButtons}>
    <Button
      type='submit'
      id='llm-submit-button'
      className={classes.submitButton} 
      onClick={submitEditorContentAndClear}
    >
      Submit
    </Button>
  </div>;

  // TODO: styling and debouncing
  return <ContentStyles className={classes.inputTextbox} contentType='comment'>
    <div className={classes.editor}>
      <CKEditor
        data={currentMessage}
        ref={ckEditorRef}
        editor={getCkCommentEditor(forumTypeSetting.get())}
        isCollaborative={false}
        onChange={(_event, editor: Editor) => {
          // debouncedValidateEditor(editor.model.document)
          // If transitioning from empty to nonempty or nonempty to empty,
          // bypass throttling. These cases don't have the performance
          // implications that motivated having throttling in the first place,
          // and this prevents a timing bug with form-clearing on submit.
          setCurrentMessage(editor.getData());

          // if (!editor.data.model.hasContent(editor.model.document.getRoot('main'))) {
          //   throttledSetCkEditor.cancel();
          //   setCurrentMessage(editor.getData());
          // } else {
          //   throttledSetCkEditor(() => editor.getData())
          // }
        }}
        onReady={(editor) => {
          editorRef.current = editor;
        }}
        config={editorConfig}
      />
    </div>
    {submitButton}
  </ContentStyles>
}

const welcomeGuideHtml = [
  `<h1>Welcome to the LessWrong LLM Chat!</h1>`,
  `<ul><li>The LLM chat interface is currently hooked up to Claude Sonnet 3.5</li>`,
  `<li>LaTeX is supported both on input and output.`,
  `<li style="color: #bf360c;">The LessWrong team will read conversations to help us with product iteration during development.</li></ul>`,
  `<p><strong>Posts and comments may be loaded into the context window based on your <em>first message</em> (and based on the current post you are viewing).</strong></p>`,
].join('');

type CurrentPostContext = {
  currentPostId: string;
  postContext: Exclude<PromptContextOptions['postContext'], undefined>
} | {
  currentPostId?: undefined;
  postContext?: undefined;
};

function useCurrentPostContext(): CurrentPostContext {
  const { query } = useLocation();
  const postsPageContext = usePostsPageContext();

  const postsPagePostId = postsPageContext?.fullPost?._id ?? postsPageContext?.postPreload?._id;

  if (postsPagePostId) {
    return {
      currentPostId: postsPagePostId,
      postContext: 'post-page'
    };
  }

  if (query.postId) {
    return {
      currentPostId: query.postId,
      postContext: 'post-editor'
    };
  }

  return {};
}

export const ChatInterface = ({classes}: {
  classes: ClassesType<typeof styles>,
}) => {
  const { LlmChatMessage, Loading, MenuItem, ContentStyles, ContentItemBody } = Components;

  const { currentConversation, setCurrentConversation, archiveConversation, orderedConversations, submitMessage, currentConversationLoading } = useLlmChat();
  const { currentPostId, postContext } = useCurrentPostContext();
  const { autosaveEditorState } = useContext(AutosaveEditorStateContext);

  const { flash } = useMessages();

  const messagesRef = useRef<HTMLDivElement>(null);
  const lastMessageLengthRef = useRef(0);
  const previousMessagesLengthRef = useRef(0);

  // Scroll to bottom when new messages are added or the content of the last message grows due to streaming
  useEffect(() => {
    const messages = currentConversation?.messages ?? [];
    const currentMessagesLength = messages.length;

    const scrollToBottom = (behavior: 'auto' | 'smooth' = 'auto') => {
      if (messagesRef.current) {
        messagesRef.current.scrollTo({ 
          top: messagesRef.current.scrollHeight, 
          behavior 
        });
      }
    };

    const scrollToBottomIfNearBottom = () => {
      if (messagesRef.current) {
        const { scrollHeight, scrollTop, clientHeight } = messagesRef.current;
        const scrollThreshold = clientHeight * 0.2; // 20% of the visible area
        const isScrolledNearBottom = scrollHeight - scrollTop <= clientHeight + scrollThreshold;

        if (isScrolledNearBottom) {
          scrollToBottom('smooth');
        }
      }
    };

    // New message added
    if (currentMessagesLength > previousMessagesLengthRef.current) {
      scrollToBottom();
      previousMessagesLengthRef.current = currentMessagesLength;
    } 
    // Content of the last message changed (e.g., streaming)
    else if (messages.length > 0) {
      const lastMessage = messages[messages.length - 1];
      const currentLastMessageLength = lastMessage.content.length;

      if (currentLastMessageLength !== lastMessageLengthRef.current) {
        lastMessageLengthRef.current = currentLastMessageLength;
        
        // Delay scroll check slightly to allow for content update
        setTimeout(scrollToBottomIfNearBottom, 100);
      }
    }
  }, [currentConversation?.messages]);

  const [cookies, setCookies] = useCookiesWithConsent([HIDE_LLM_CHAT_GUIDE_COOKIE])
  const showGuide = cookies[HIDE_LLM_CHAT_GUIDE_COOKIE] !== "true";
  const setShowGuide = (show: boolean) => {
    setCookies(HIDE_LLM_CHAT_GUIDE_COOKIE, show ? "false" : "true")
  }

  const llmChatGuide = <ContentStyles contentType="llmChat" className={classes.welcomeGuide}>
    <div 
      onClick={() => setShowGuide(!showGuide)} 
      className={classes.welcomeGuideButton}
    >
      {showGuide ? "Hide Guide" : "Show LLM Guide"}
    </div>
    {showGuide && <ContentItemBody
      className={classNames(classes.welcomeGuideText)}
      dangerouslySetInnerHTML={{__html: welcomeGuideHtml}}
    />}
  </ContentStyles>

  const messagesForDisplay = <div className={classes.messages} ref={messagesRef}>
    {llmChatGuide}
    {currentConversation?.messages.map((message, index) => (
      <LlmChatMessage key={index} message={message} />
    ))}
  </div>

  const exportHistoryToClipboard = () => {
    if (!currentConversation) return
    const conversationHistory = currentConversation.messages.filter(({role}) => ['user', 'assistant', 'user-context'].includes(role))
    const formattedChatHistory = conversationHistory.map(({role, content}) => `<strong>${role.toUpperCase()}:</strong> ${content}`).join("\n")
    void navigator.clipboard.writeText(formattedChatHistory)
    flash('Chat history copied to clipboard')
  }

  const onSelect = (event: React.ChangeEvent<HTMLSelectElement>) => {
    const newSelection = event.target.value;
    const newSelectionId = newSelection === "New Conversation"
      ? undefined
      : newSelection;

    setCurrentConversation(newSelectionId);
  }

  const deleteConversation = (ev: React.MouseEvent, conversationId: string) => {
    // TODO: figure out if we need both of these or just one (i.e. to prevent selection of the menu item)
    ev.preventDefault();
    ev.stopPropagation();
    archiveConversation(conversationId);
  };

  const conversationSelect = <Select 
    onChange={onSelect} 
    value={currentConversation?._id ?? NEW_CONVERSATION_MENU_ITEM}
    disableUnderline
    className={classes.select}
    MenuProps={{style: {zIndex: 10000000002}}} // TODO: figure out sensible z-index stuff
    renderValue={(conversationId: string) => orderedConversations.find(c => c._id === conversationId)?.title ?? NEW_CONVERSATION_MENU_ITEM}
    >
      {
        orderedConversations.map(({ title, _id }, index) => (
          <MenuItem key={index} value={_id} className={classes.menuItem}>
            {title ?? "...Title Pending..."}
            <CloseIcon onClick={(ev) => deleteConversation(ev, _id)} className={classes.deleteConvoIcon} />
          </MenuItem>
      ))}
      <MenuItem value={NEW_CONVERSATION_MENU_ITEM} className={classes.menuItem}>
        New Conversation
      </MenuItem>
    </Select>;


  const options = <div className={classes.options}>
    <Button onClick={() => setCurrentConversation()}>
      New Chat
    </Button>
    <Button onClick={exportHistoryToClipboard} disabled={!currentConversation}>
      Export
    </Button>
    {conversationSelect}
  </div>  

  const handleSubmit = useCallback(async (message: string) => {
    if (autosaveEditorState) {
      await autosaveEditorState();
    }
    submitMessage({ query: message, currentPostId, postContext });
  }, [autosaveEditorState, currentPostId, postContext, submitMessage]);

  return <div className={classes.subRoot}>
    {messagesForDisplay}
    {currentConversationLoading && <Loading className={classes.loadingSpinner}/>}
    <LLMInputTextbox onSubmit={handleSubmit} classes={classes} />
    {options}
  </div>
}


// Wrapper component needed so we can use deferRender
export const LanguageModelChat = ({classes}: {
  classes: ClassesType<typeof styles>,
}) => {
  return <DeferRender ssr={false}>
    <AnalyticsContext pageSectionContext='llmChat'>
      <div className={classes.root}>
        <ChatInterface classes={classes} />
      </div>
    </AnalyticsContext>
  </DeferRender>;
}

const LanguageModelChatComponent = registerComponent('LanguageModelChat', LanguageModelChat, {styles});

const LlmChatMessageComponent = registerComponent('LlmChatMessage', LLMChatMessage, {styles});

declare global {
  interface ComponentTypes {
    LanguageModelChat: typeof LanguageModelChatComponent
    LlmChatMessage: typeof LlmChatMessageComponent
  }
}

1	import React, { useEffect, useRef, useState, useCallback, useContext } from 'react';	3✔
2	import { Components, registerComponent } from '../../lib/vulcan-lib';	1✔
3	import classNames from 'classnames';	1✔
4	import DeferRender from '../common/DeferRender';	1✔
5	import Button from '@material-ui/core/Button';	1✔
6	import { useMessages } from '../common/withMessages';	1✔
7	import Select from '@material-ui/core/Select';	1✔
8	import CloseIcon from '@material-ui/icons/Close';	1✔
9	import { useLocation } from "../../lib/routeUtil";	1✔
10	import { NewLlmMessage, PromptContextOptions, useLlmChat } from './LlmChatWrapper';	1✔
11	import type { Editor } from '@ckeditor/ckeditor5-core';
12	import CKEditor from '@/lib/vendor/ckeditor5-react/ckeditor';	1✔
13	import { getCkCommentEditor } from '@/lib/wrapCkEditor';	1✔
14	import { forumTypeSetting } from '@/lib/instanceSettings';	1✔
15	import { mentionPluginConfiguration } from '@/lib/editor/mentionsConfig';	1✔
16	import { ckEditorStyles } from '@/themes/stylePiping';	1✔
17	import { HIDE_LLM_CHAT_GUIDE_COOKIE } from '@/lib/cookies/cookies';	1✔
18	import { useCookiesWithConsent } from '../hooks/useCookiesWithConsent';	1✔
19	import { AnalyticsContext } from '@/lib/analyticsEvents';	1✔
20	import { AutosaveEditorStateContext } from '../editor/EditorFormComponent';	1✔
21	import { usePostsPageContext } from '../posts/PostsPage/PostsPageContext';	1✔
22
23	const styles = (theme: ThemeType) => ({	2✔
24	root: {
25	height: "calc(100vh - 160px)"
26	},
27	subRoot: {
28	display: "flex",
29	flexDirection: "column",
30	height: "100%"
31	},
32	submission: {
33	margin: 10,
34	display: "flex",
35	padding: 20,
36	...theme.typography.commentStyle,
37	},
38	editor: {
39	minHeight: 60,
40	'& .ck.ck-content': {
41	minHeight: 60,
42	},
43	...ckEditorStyles(theme),
44	overflowY: 'scroll',
45	paddingLeft: 20,
46	paddingTop: 20,
47	fontSize: '1.0rem',
48	'& blockquote, & li': {
49	fontSize: '1.0rem'
50	}
51	},
52	inputTextbox: {
53	margin: 10,
54	marginTop: 20,
55	borderRadius: 4,
56	maxHeight: "40vh",
57	backgroundColor: theme.palette.panelBackground.commentNodeEven,
58	overflowY: 'hidden',
59	overflowX: 'hidden',
60	flexGrow: 0,
61	flexShrink: 0,
62	flexBasis: "auto",
63	display: "flex",
64	flexDirection: "column",
65	},
66	submitButton:{
67	width: "fit-content",
68	fontSize: "16px",
69	color: theme.palette.lwTertiary.main,
70	marginLeft: "5px",
71	"&:hover": {
72	opacity: .5,
73	backgroundColor: "none",
74	},
75	},
76	editorButtons: {
77	display: "flex",
78	justifyContent: "flex-end",
79	padding: "10px",
80	},
81	welcomeGuide: {
82	margin: 10,
83	display: "flex",
84	flexDirection: "column",
85	},
86	welcomeGuideText: {
87	padding: 20,
88	backgroundColor: theme.palette.grey[100],
89	borderRadius: 10,
90	},
91	welcomeGuideButton: {
92	cursor: "pointer",
93	opacity: 0.8,
94	alignSelf: "flex-end",
95	fontStyle: "italic",
96	marginBottom: 4
97	},
98	chatMessage: {
99	padding: 20,
100	margin: 10,
101	borderRadius: 10,
102	backgroundColor: theme.palette.grey[100],
103	},
104	chatMessageContent: {
105	},
106	userMessage: {
107	backgroundColor: theme.palette.grey[300],
108	},
109	errorMessage: {
110	backgroundColor: theme.palette.error.light,
111	},
112	messages: {
113	overflowY: "scroll",
114	flexGrow: 1,
115	//the last child has margin bottom 0 (doesn't work)
116	"& > *:last-child": {
117	marginBottom: 0
118	}
119	},
120	options: {
121	flexGrow: 0,
122	flexShrink: 0,
123	flexBasis: "auto",
124	fontFamily: theme.palette.fonts.sansSerifStack,
125	marginLeft: 10
126	},
127	checkbox: {
128	padding: 8
129	},
130	select: {
131	// TODO: maybe really the styling of the options section should be flex display and flex grow stuff
132	maxWidth: 250,
133	},
134	menuItem: {
135	zIndex: theme.zIndexes.languageModelChat + 10,
136	display: "flex",
137	justifyContent: "space-between",
138	alignItems: "center"
139	},
140	deleteConvoIcon: {
141	marginLeft: 10,
142	cursor: "pointer",
143	opacity: 0.8,
144	width: 16
145	},
146	loadingSpinner: {
147	marginTop: 10
148	},
149	});
150
151	const NEW_CONVERSATION_MENU_ITEM = "New Conversation";	1✔
152
153	const LLMChatMessage = ({message, classes}: {	1✔
154	message: LlmMessagesFragment \| NewLlmMessage,
155	classes: ClassesType<typeof styles>,
156	}) => {
157	const { ContentItemBody, ContentStyles } = Components;	×
158
159	const { role, content } = message;	×
160
161	return <ContentStyles contentType="llmChat" className={classes.chatMessageContent}>	×
162	<ContentItemBody
163	className={classNames(classes.chatMessage, {
164	[classes.userMessage]: role === 'user',
165	[classes.errorMessage]: role === 'error'
166	})}
167	dangerouslySetInnerHTML={{__html: content}}
168	/>
169	</ContentStyles>
170	}
171
172	const LLMInputTextbox = ({onSubmit, classes}: {	1✔
173	onSubmit: (message: string) => void,
174	classes: ClassesType<typeof styles>,
175	}) => {
176	const { ContentStyles } = Components;	×
177
178	const [currentMessage, setCurrentMessage] = useState('');	×
179	const ckEditorRef = useRef<CKEditor<any> \| null>(null);	×
180	const editorRef = useRef<Editor \| null>(null);	×
181
182	// TODO: we probably want to come back to this and enable cloud services for image uploading
183	const editorConfig = {	×
184	placeholder: 'Type here. Ctrl/Cmd + Enter to submit.',
185	mention: mentionPluginConfiguration,
186	};
187
188	const submitEditorContentAndClear = useCallback(() => {	×
189	const currentEditorContent = editorRef.current?.getData();	×
190	currentEditorContent && void onSubmit(currentEditorContent);	×
191	setCurrentMessage('');	×
192	}, [onSubmit]);
193
194	// We need to pipe through the `conversationId` and do all of this eventListener setup/teardown like this because
195	// otherwise messages get submitted to whatever conversation was "current" when the editor was initially loaded
196	// Running this useEffect whenever either the conversationId or onSubmit changes ensures we remove and re-attach a fresh event listener with the correct "targets"
197	useEffect(() => {	×
198	const currentEditorRefValue = ckEditorRef.current;	×
199
200	const options = { capture: true };	×
201	const handleKeyDown = (event: KeyboardEvent) => {	×
202	if ((event.ctrlKey \|\| event.metaKey) && event.keyCode === 13) {	×
203	event.stopPropagation();	×
204	event.preventDefault();	×
205	submitEditorContentAndClear();	×
206	}
207	};
208
209	const internalEditorRefInstance = (currentEditorRefValue as AnyBecauseHard).domContainer?.current;	×
210	if (internalEditorRefInstance) {	×
211	internalEditorRefInstance.addEventListener('keydown', handleKeyDown, options);	×
212	}
213
214	return () => {	×
215	const internalEditorRefInstance = (currentEditorRefValue as AnyBecauseHard)?.domContainer?.current;	×
216	if (internalEditorRefInstance) {	×
217	internalEditorRefInstance.removeEventListener('keydown', handleKeyDown, options);	×
218	}
219	}
220	}, [onSubmit, submitEditorContentAndClear]);
221
222	const submitButton = <div className={classes.editorButtons}>	×
223	<Button
224	type='submit'
225	id='llm-submit-button'
226	className={classes.submitButton}
227	onClick={submitEditorContentAndClear}
228	>
229	Submit
230	</Button>
231	</div>;
232
233	// TODO: styling and debouncing
234	return <ContentStyles className={classes.inputTextbox} contentType='comment'>	×
235	<div className={classes.editor}>
236	<CKEditor
237	data={currentMessage}
238	ref={ckEditorRef}
239	editor={getCkCommentEditor(forumTypeSetting.get())}
240	isCollaborative={false}
241	onChange={(_event, editor: Editor) => {
242	// debouncedValidateEditor(editor.model.document)
243	// If transitioning from empty to nonempty or nonempty to empty,
244	// bypass throttling. These cases don't have the performance
245	// implications that motivated having throttling in the first place,
246	// and this prevents a timing bug with form-clearing on submit.
247	setCurrentMessage(editor.getData());	×
248
249	// if (!editor.data.model.hasContent(editor.model.document.getRoot('main'))) {
250	// throttledSetCkEditor.cancel();
251	// setCurrentMessage(editor.getData());
252	// } else {
253	// throttledSetCkEditor(() => editor.getData())
254	// }
255	}}
256	onReady={(editor) => {
257	editorRef.current = editor;	×
258	}}
259	config={editorConfig}
260	/>
261	</div>
262	{submitButton}
263	</ContentStyles>
264	}
265
266	const welcomeGuideHtml = [	1✔
267	`<h1>Welcome to the LessWrong LLM Chat!</h1>`,
268	`<ul><li>The LLM chat interface is currently hooked up to Claude Sonnet 3.5</li>`,
269	`<li>LaTeX is supported both on input and output.`,
270	`<li style="color: #bf360c;">The LessWrong team will read conversations to help us with product iteration during development.</li></ul>`,
271	`<p><strong>Posts and comments may be loaded into the context window based on your <em>first message</em> (and based on the current post you are viewing).</strong></p>`,
272	].join('');
273
274	type CurrentPostContext = {
275	currentPostId: string;
276	postContext: Exclude<PromptContextOptions['postContext'], undefined>
277	} \| {
278	currentPostId?: undefined;
279	postContext?: undefined;
280	};
281
282	function useCurrentPostContext(): CurrentPostContext {
NEW 283	const { query } = useLocation();	×
NEW 284	const postsPageContext = usePostsPageContext();	×
285
NEW 286	const postsPagePostId = postsPageContext?.fullPost?._id ?? postsPageContext?.postPreload?._id;	×
287
NEW 288	if (postsPagePostId) {	×
NEW 289	return {	×
290	currentPostId: postsPagePostId,
291	postContext: 'post-page'
292	};
293	}
294
NEW 295	if (query.postId) {	×
NEW 296	return {	×
297	currentPostId: query.postId,
298	postContext: 'post-editor'
299	};
300	}
301
NEW 302	return {};	×
303	}
304
305	export const ChatInterface = ({classes}: {	1✔
306	classes: ClassesType<typeof styles>,
307	}) => {
308	const { LlmChatMessage, Loading, MenuItem, ContentStyles, ContentItemBody } = Components;	×
309
310	const { currentConversation, setCurrentConversation, archiveConversation, orderedConversations, submitMessage, currentConversationLoading } = useLlmChat();	×
NEW 311	const { currentPostId, postContext } = useCurrentPostContext();	×
NEW 312	const { autosaveEditorState } = useContext(AutosaveEditorStateContext);	×
313
314	const { flash } = useMessages();	×
315
UNCOV 316	const messagesRef = useRef<HTMLDivElement>(null);	×
317	const lastMessageLengthRef = useRef(0);	×
318	const previousMessagesLengthRef = useRef(0);	×
319
320	// Scroll to bottom when new messages are added or the content of the last message grows due to streaming
321	useEffect(() => {	×
322	const messages = currentConversation?.messages ?? [];	×
323	const currentMessagesLength = messages.length;	×
324
325	const scrollToBottom = (behavior: 'auto' \| 'smooth' = 'auto') => {	×
326	if (messagesRef.current) {	×
327	messagesRef.current.scrollTo({	×
328	top: messagesRef.current.scrollHeight,
329	behavior
330	});
331	}
332	};
333
334	const scrollToBottomIfNearBottom = () => {	×
335	if (messagesRef.current) {	×
336	const { scrollHeight, scrollTop, clientHeight } = messagesRef.current;	×
337	const scrollThreshold = clientHeight * 0.2; // 20% of the visible area	×
338	const isScrolledNearBottom = scrollHeight - scrollTop <= clientHeight + scrollThreshold;	×
339
340	if (isScrolledNearBottom) {	×
341	scrollToBottom('smooth');	×
342	}
343	}
344	};
345
346	// New message added
347	if (currentMessagesLength > previousMessagesLengthRef.current) {	×
348	scrollToBottom();	×
349	previousMessagesLengthRef.current = currentMessagesLength;	×
350	}	×
351	// Content of the last message changed (e.g., streaming)
352	else if (messages.length > 0) {
353	const lastMessage = messages[messages.length - 1];	×
354	const currentLastMessageLength = lastMessage.content.length;	×
355
356	if (currentLastMessageLength !== lastMessageLengthRef.current) {	×
357	lastMessageLengthRef.current = currentLastMessageLength;	×
358
359	// Delay scroll check slightly to allow for content update
360	setTimeout(scrollToBottomIfNearBottom, 100);	×
361	}
362	}
363	}, [currentConversation?.messages]);	×
364
365	const [cookies, setCookies] = useCookiesWithConsent([HIDE_LLM_CHAT_GUIDE_COOKIE])	×
366	const showGuide = cookies[HIDE_LLM_CHAT_GUIDE_COOKIE] !== "true";	×
367	const setShowGuide = (show: boolean) => {	×
368	setCookies(HIDE_LLM_CHAT_GUIDE_COOKIE, show ? "false" : "true")	×
369	}
370
371	const llmChatGuide = <ContentStyles contentType="llmChat" className={classes.welcomeGuide}>	×
372	<div
373	onClick={() => setShowGuide(!showGuide)}	×
374	className={classes.welcomeGuideButton}
375	>
376	{showGuide ? "Hide Guide" : "Show LLM Guide"}	×
377	</div>
378	{showGuide && <ContentItemBody	×
379	className={classNames(classes.welcomeGuideText)}
380	dangerouslySetInnerHTML={{__html: welcomeGuideHtml}}
381	/>}
382	</ContentStyles>
383
384	const messagesForDisplay = <div className={classes.messages} ref={messagesRef}>	×
385	{llmChatGuide}
386	{currentConversation?.messages.map((message, index) => (	×
387	<LlmChatMessage key={index} message={message} />	×
388	))}
389	</div>
390
391	const exportHistoryToClipboard = () => {	×
392	if (!currentConversation) return	×
393	const conversationHistory = currentConversation.messages.filter(({role}) => ['user', 'assistant', 'user-context'].includes(role))	×
394	const formattedChatHistory = conversationHistory.map(({role, content}) => `<strong>${role.toUpperCase()}:</strong> ${content}`).join("\n")	×
395	void navigator.clipboard.writeText(formattedChatHistory)	×
396	flash('Chat history copied to clipboard')	×
397	}
398
399	const onSelect = (event: React.ChangeEvent<HTMLSelectElement>) => {	×
400	const newSelection = event.target.value;	×
401	const newSelectionId = newSelection === "New Conversation"	×
402	? undefined	×
403	: newSelection;
404
405	setCurrentConversation(newSelectionId);	×
406	}
407
408	const deleteConversation = (ev: React.MouseEvent, conversationId: string) => {	×
409	// TODO: figure out if we need both of these or just one (i.e. to prevent selection of the menu item)
410	ev.preventDefault();	×
411	ev.stopPropagation();	×
412	archiveConversation(conversationId);	×
413	};
414
415	const conversationSelect = <Select	×
416	onChange={onSelect}
417	value={currentConversation?._id ?? NEW_CONVERSATION_MENU_ITEM}	×
418	disableUnderline
419	className={classes.select}
420	MenuProps={{style: {zIndex: 10000000002}}} // TODO: figure out sensible z-index stuff
421	renderValue={(conversationId: string) => orderedConversations.find(c => c._id === conversationId)?.title ?? NEW_CONVERSATION_MENU_ITEM}	×
422	>
423	{
424	orderedConversations.map(({ title, _id }, index) => (
425	<MenuItem key={index} value={_id} className={classes.menuItem}>	×
426	{title ?? "...Title Pending..."}	×
427	<CloseIcon onClick={(ev) => deleteConversation(ev, _id)} className={classes.deleteConvoIcon} />	×
428	</MenuItem>
429	))}
430	<MenuItem value={NEW_CONVERSATION_MENU_ITEM} className={classes.menuItem}>
431	New Conversation
432	</MenuItem>
433	</Select>;
434
435
436	const options = <div className={classes.options}>	×
437	<Button onClick={() => setCurrentConversation()}>	×
438	New Chat
439	</Button>
440	<Button onClick={exportHistoryToClipboard} disabled={!currentConversation}>
441	Export
442	</Button>
443	{conversationSelect}
444	</div>
445
NEW 446	const handleSubmit = useCallback(async (message: string) => {	×
NEW 447	if (autosaveEditorState) {	×
NEW 448	await autosaveEditorState();	×
449	}
NEW 450	submitMessage({ query: message, currentPostId, postContext });	×
451	}, [autosaveEditorState, currentPostId, postContext, submitMessage]);
452
453	return <div className={classes.subRoot}>	×
454	{messagesForDisplay}
455	{currentConversationLoading && <Loading className={classes.loadingSpinner}/>}	×
456	<LLMInputTextbox onSubmit={handleSubmit} classes={classes} />
457	{options}
458	</div>
459	}
460
461
462	// Wrapper component needed so we can use deferRender
463	export const LanguageModelChat = ({classes}: {	1✔
464	classes: ClassesType<typeof styles>,
465	}) => {
466	return <DeferRender ssr={false}>	×
467	<AnalyticsContext pageSectionContext='llmChat'>
468	<div className={classes.root}>
469	<ChatInterface classes={classes} />
470	</div>
471	</AnalyticsContext>
472	</DeferRender>;
473	}
474
475	const LanguageModelChatComponent = registerComponent('LanguageModelChat', LanguageModelChat, {styles});	1✔
476
477	const LlmChatMessageComponent = registerComponent('LlmChatMessage', LLMChatMessage, {styles});	1✔
478
479	declare global {
480	interface ComponentTypes {
481	LanguageModelChat: typeof LanguageModelChatComponent
482	LlmChatMessage: typeof LlmChatMessageComponent
483	}
484	}

ForumMagnum / ForumMagnum / 11039031412

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