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Add KaTeX copy-tex extension support for formula copying

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This commit is contained in:
yangdx 2025-12-01 12:20:17 +08:00
parent aeaa0b32f9
commit 8f4bfbf1a3
2 changed files with 6 additions and 3 deletions
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8
lightrag_webui/src/components/retrieval/ChatMessage.tsx
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@ -76,13 +76,15 @@ export const ChatMessage = ({
? message.content ? message.content
: (displayContent !== undefined ? displayContent : (message.content || '')) : (displayContent !== undefined ? displayContent : (message.content || ''))
// Load KaTeX dynamically with mhchem extension for chemistry formulas // Load KaTeX dynamically with extensions
useEffect(() => { useEffect(() => {
const loadKaTeX = async () => { const loadKaTeX = async () => {
try { try {
// First load mhchem extension (must be loaded before rehype-katex) // Load KaTeX extensions (must be loaded before rehype-katex)
// This enables \ce and \pu commands for chemistry formulas // 1. mhchem: enables \ce and \pu commands for chemistry formulas
await import('katex/contrib/mhchem'); await import('katex/contrib/mhchem');
// 2. copy-tex: allows users to copy rendered formulas as LaTeX source code
await import('katex/contrib/copy-tex');
// Then load rehype-katex // Then load rehype-katex
const { default: rehypeKatex } = await import('rehype-katex'); const { default: rehypeKatex } = await import('rehype-katex');
setKatexPlugin(() => rehypeKatex); setKatexPlugin(() => rehypeKatex);

1
lightrag_webui/src/types/katex.d.ts vendored
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@ -1 +1,2 @@
declare module 'katex/contrib/mhchem'; declare module 'katex/contrib/mhchem';
declare module 'katex/contrib/copy-tex';