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Add mhchem extension support for chemistry formulas in ChatMessage

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(cherry picked from commit aeaa0b32f9)
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yangdx 2025-12-01 12:16:43 +08:00 • committed by Raphaël MANSUY
parent bd93f13012
commit 411290a013
1 changed files with 5 additions and 1 deletions
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6
lightrag_webui/src/components/retrieval/ChatMessage.tsx
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@ -70,10 +70,14 @@ export const ChatMessage = ({ message }: { message: MessageWithError }) => { //
? message.content ? message.content
: (displayContent !== undefined ? displayContent : (message.content || '')) : (displayContent !== undefined ? displayContent : (message.content || ''))
// Load KaTeX dynamically // Load KaTeX dynamically with mhchem extension for chemistry formulas
useEffect(() => { useEffect(() => {
const loadKaTeX = async () => { const loadKaTeX = async () => {
try { try {
// First load mhchem extension (must be loaded before rehype-katex)
// This enables \ce and \pu commands for chemistry formulas
await import('katex/contrib/mhchem');
// Then load rehype-katex
const { default: rehypeKatex } = await import('rehype-katex'); const { default: rehypeKatex } = await import('rehype-katex');
setKatexPlugin(() => rehypeKatex); setKatexPlugin(() => rehypeKatex);
} catch (error) { } catch (error) {