Markdown LaTeX Renderer

Markdown LaTeX Renderer is a TypeScript library that parses Markdown text with LaTeX equations and renders it into HTML, supporting code highlighting, theme switching, and content sanitization.

GitHub: https://github.com/windsnow1025

NPM: https://www.npmjs.com/package/markdown-latex-renderer

Features

• Markdown parsing: markdown-it + markdown-it-sub + markdown-it-sup
• LaTeX rendering: @mdit/plugin-katex + katex
• Code highlighting: highlight.js
• Customizable sanitize level

Custom Sanitize Level

You can control the HTML sanitization level by passing the sanitizeLevel parameter to parseMarkdownLaTeX.

• Positive values: increase sanitization (escape HTML tags)
• Negative values: decrease sanitization (unescape HTML tags)
• Default is 0.

Usage

To use in a Next.js project, update your next.config.mjs to include the following configuration:

const nextConfig = {
  transpilePackages: ['markdown-latex-renderer'],
};

export default nextConfig;

See full example in ./packages/usage/.

Development

pnpm

1. Install Node.js
2. Install pnpm (Run as Administrator): corepack enable
3. Install dependencies: pnpm install

WebStorm

Settings >> Languages & Frameworks >> JavaScript Runtime >> Package manager: pnpm

Run

pnpm run dev