File size: 4,196 Bytes
f0743f4 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | import throttle from 'lodash/throttle';
import { useEffect, useRef, useCallback, useMemo } from 'react';
import { Constants, isAssistantsEndpoint, isAgentsEndpoint } from 'librechat-data-provider';
import type { TMessageProps } from '~/common';
import { useMessagesViewContext, useAssistantsMapContext, useAgentsMapContext } from '~/Providers';
import { getTextKey, TEXT_KEY_DIVIDER, logger } from '~/utils';
import useCopyToClipboard from './useCopyToClipboard';
export default function useMessageHelpers(props: TMessageProps) {
const latestText = useRef<string | number>('');
const { message, currentEditId, setCurrentEditId } = props;
const {
ask,
index,
regenerate,
isSubmitting,
conversation,
latestMessage,
setAbortScroll,
handleContinue,
setLatestMessage,
} = useMessagesViewContext();
const agentsMap = useAgentsMapContext();
const assistantMap = useAssistantsMapContext();
const { text, content, children, messageId = null, isCreatedByUser } = message ?? {};
const edit = messageId === currentEditId;
const isLast = children?.length === 0 || children?.length === undefined;
useEffect(() => {
const convoId = conversation?.conversationId;
if (convoId === Constants.NEW_CONVO) {
return;
}
if (!message) {
return;
}
if (!isLast) {
return;
}
const textKey = getTextKey(message, convoId);
// Check for text/conversation change
const logInfo = {
textKey,
'latestText.current': latestText.current,
messageId: message.messageId,
convoId,
};
/* Extracted convoId from previous textKey (format: messageId|||length|||lastChars|||convoId) */
let previousConvoId: string | null = null;
if (
latestText.current &&
typeof latestText.current === 'string' &&
latestText.current.length > 0
) {
const parts = latestText.current.split(TEXT_KEY_DIVIDER);
previousConvoId = parts[parts.length - 1] || null;
}
if (
textKey !== latestText.current ||
(convoId != null && previousConvoId != null && convoId !== previousConvoId)
) {
logger.log('latest_message', '[useMessageHelpers] Setting latest message: ', logInfo);
latestText.current = textKey;
setLatestMessage({ ...message });
} else {
logger.log('latest_message', 'No change in latest message', logInfo);
}
}, [isLast, message, setLatestMessage, conversation?.conversationId]);
const enterEdit = useCallback(
(cancel?: boolean) => setCurrentEditId && setCurrentEditId(cancel === true ? -1 : messageId),
[messageId, setCurrentEditId],
);
const handleScroll = useCallback(
(event: unknown) => {
throttle(() => {
logger.log(
'message_scrolling',
`useMessageHelpers: setting abort scroll to ${isSubmitting}, handleScroll event`,
event,
);
if (isSubmitting) {
setAbortScroll(true);
} else {
setAbortScroll(false);
}
}, 500)();
},
[isSubmitting, setAbortScroll],
);
const assistant = useMemo(() => {
if (!isAssistantsEndpoint(conversation?.endpoint)) {
return undefined;
}
const endpointKey = conversation?.endpoint ?? '';
const modelKey = message?.model ?? '';
return assistantMap?.[endpointKey] ? assistantMap[endpointKey][modelKey] : undefined;
}, [conversation?.endpoint, message?.model, assistantMap]);
const agent = useMemo(() => {
if (!isAgentsEndpoint(conversation?.endpoint)) {
return undefined;
}
const modelKey = message?.model ?? '';
return agentsMap ? agentsMap[modelKey] : undefined;
}, [agentsMap, conversation?.endpoint, message?.model]);
const regenerateMessage = () => {
if ((isSubmitting && isCreatedByUser === true) || !message) {
return;
}
regenerate(message);
};
const copyToClipboard = useCopyToClipboard({ text, content });
return {
ask,
edit,
agent,
index,
isLast,
assistant,
enterEdit,
conversation,
isSubmitting,
handleScroll,
latestMessage,
handleContinue,
copyToClipboard,
regenerateMessage,
};
}
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