Monaco JSONata

Complete Monaco Editor language extension for JSONata with full IDE-like features

📦 Packages

This is a monorepo containing:

• monaco-jsonata - The NPM package (language extension)
• playground - Demo React application with 3-panel layout

✨ Features

• 🎨 Syntax Highlighting - Advanced tokenization for all JSONata constructs
• 🔍 IntelliSense/Autocomplete - Smart suggestions for all ~70 built-in functions
• 📚 Hover Documentation - Detailed function signatures, descriptions, and examples
• 💡 Signature Help - Parameter hints while typing function calls
• 🚨 Real-time Diagnostics - Parse errors with helpful messages
• ⚡ Code Formatting - Pretty-print JSONata expressions
• 🎯 Function Snippets - Quick templates for map, filter, reduce, and more

🚀 Quick Start

Installation

pnpm install monaco-jsonata monaco-editor

Usage

import { registerJsonataLanguage } from 'monaco-jsonata';

registerJsonataLanguage(monaco);

monaco.editor.create(container, {
  language: 'jsonata',
  theme: 'jsonata-theme'
});

See the package README for detailed documentation.

🛠️ Development

# Install dependencies
pnpm install

# Run playground (demo app)
pnpm run dev

# Build library only
pnpm run build:lib

# Build everything
pnpm run build

# Lint all packages
pnpm run lint

📁 Project Structure

monaco-jsonata/                      # Monorepo root
├── packages/
│   ├── monaco-jsonata/             # NPM package (publishable)
│   │   ├── src/                    # Language extension source
│   │   ├── examples/               # Integration examples
│   │   ├── dist/                   # Built output
│   │   └── package.json
│   └── playground/                 # Demo app (private)
│       ├── src/                    # React playground source
│       └── package.json
├── pnpm-workspace.yaml             # Workspace config
└── package.json                    # Root package

📝 Documentation

Full documentation is available in the monaco-jsonata package README.

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

📄 License

MIT

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Made with ❤️ for the JSONata community