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MarkdownRenderer: support Latex #48

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Merged
gapry merged 2 commits into from
Mar 31, 2026
Merged

MarkdownRenderer: support Latex #48

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73114b3
MarkdownRenderer: support Latex
gapry Mar 31, 2026
fb3253f
MarkdownRenderer: support Latex: fix
gapry Mar 31, 2026
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41 changes: 41 additions & 0 deletions bun.lock
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5 changes: 4 additions & 1 deletion package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -12,11 +12,14 @@
"preview": "vite preview"
},
"dependencies": {
"katex": "^0.16.44",

@gemini-code-assist gemini-code-assist Bot Mar 31, 2026

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high

The version 0.16.44 for katex does not appear to exist on npm. The current latest version in the 0.16.x branch is 0.16.11. This typo will likely cause installation or build failures.

Suggested change
"katex": "^0.16.44",
"katex": "^0.16.11",

"react": "^19.2.0",
"react-dom": "^19.2.0",
"react-markdown": "^10.1.0",
"react-syntax-highlighter": "^16.1.1",
"remark-gfm": "^4.0.1"
"rehype-katex": "^7.0.1",
"remark-gfm": "^4.0.1",
"remark-math": "^6.0.0"
},
"devDependencies": {
"@eslint/js": "^9.39.1",
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10 changes: 10 additions & 0 deletions src/components/MarkdownRenderer/MarkdownRenderer.css
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Original file line number Diff line number Diff line change
Expand Up @@ -28,3 +28,13 @@
.markdown-body h2 {
margin-top: 0px !important;
}

.katex {
color: #e0e0e0;
font-size: 1.1em;
}

.katex-display {
margin: 1.5em 0;
overflow-x: auto;
}
6 changes: 5 additions & 1 deletion src/components/MarkdownRenderer/MarkdownRenderer.jsx
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Original file line number Diff line number Diff line change
@@ -1,5 +1,8 @@
import ReactMarkdown from 'react-markdown';
import remarkGfm from 'remark-gfm';
import remarkMath from 'remark-math';
import rehypeKatex from 'rehype-katex';
import 'katex/dist/katex.min.css';
import { Prism as SyntaxHighlighter } from 'react-syntax-highlighter';
import { vscDarkPlus } from 'react-syntax-highlighter/dist/esm/styles/prism';
import './MarkdownRenderer.css'
Expand Down Expand Up @@ -64,7 +67,8 @@ export default function MarkdownRenderer({ content }) {
)}

<ReactMarkdown
remarkPlugins={[remarkGfm]}
remarkPlugins={[remarkGfm, remarkMath]}
rehypePlugins={[rehypeKatex]}

@gemini-code-assist gemini-code-assist Bot Mar 31, 2026

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medium

By default, rehype-katex will throw an error if it encounters invalid LaTeX syntax, which can crash the entire rendering of the component. It is safer to set throwOnError: false so that KaTeX renders the problematic string as-is (usually in red) instead of throwing an exception.

Suggested change
rehypePlugins={[rehypeKatex]}
rehypePlugins={[[rehypeKatex, { throwOnError: false }]]}

components={MarkdownComponents}
>
{cleanContent}
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