LaTeX to Typst Converter

A web application that converts LaTeX formulas from images to Typst format. The application uses SimpleTex API for OCR and offers two conversion methods: Pandoc and tex2typst.

Project Structure

latex-to-typst/
├── .env                    # Environment variables
├── package.json           # Node.js dependencies
├── server.js             # Main server file
├── public/               # Frontend files
│   ├── index.html
│   ├── style.css
│   └── script.js
└── pandoc-service/       # Pandoc conversion service
    ├── main.py          # FastAPI application
    ├── requirements.txt # Python dependencies
    ├── Dockerfile      # Docker configuration
    └── run.sh         # Local run script

Prerequisites

• Node.js (v14 or higher)
• Python 3.9 or higher
• Pandoc (installed via the pandoc-service)
• SimpleTex API token

Local Development Setup

1. Frontend Setup

1. Install Node.js dependencies:

   cd latex_to_typst
   npm install

2. Create a .env file in the root directory:

   SIMPLETEX_API_TOKEN=your_simpletex_token_here
   

3. Start the frontend server:

   npm start

   The server will run at http://localhost:3000

2. Pandoc Service Setup

1. Install Python dependencies:

   cd pandoc-service
   pip install -r requirements.txt

2. Start the Pandoc service:

   sh run.sh

   The service will run at http://localhost:7999

Usage

1. Open http://localhost:3000 in your browser
2. Upload an image containing a LaTeX formula
3. Choose your preferred conversion method (Pandoc or tex2typst)
4. Click "Convert" to get the Typst output

Deployment

Frontend (Vercel)

• The frontend is configured for deployment on Vercel
• Set the PANDOC_SERVICE_URL environment variable in Vercel to point to your deployed Pandoc service

Pandoc Service

• The service can be deployed to any platform that supports Docker
• Example platforms: Render, Fly.io, Heroku, Google Cloud Run
• Make sure to set the correct CORS settings if needed

License

ISC