Janet Language Support for Zed

A minimal extension providing Janet language support for the Zed editor.

Features

• Syntax highlighting
• Auto-indentation
• Bracket matching
• Comment toggling
• Language server support (janet-lsp)

Installation

This extension will be available through Zed's extension marketplace once published.

Manual Installation (Development)

1. Clone this repository
2. Build the extension:

   just build
   # or
   npm install && npm run build

Language Server

This extension supports janet-lsp. To use it, ensure janet-lsp is installed and available in your PATH.

Development

Prerequisites

• Node.js (v16+)
• npm or compatible package manager
• just (optional, for using Justfile)

Building

# Using just
just build

# Using npm directly
npm install
npm run build

The build process generates the tree-sitter WASM module from the included grammar.js file.

Project Structure

janet-zed/
├── extension.toml         # Extension metadata
├── package.json           # Node dependencies
├── Justfile               # Build automation
├── build.sh               # Build script, well, just because
└── languages/
    └── janet/
        ├── config.toml    # Language configuration
        ├── highlights.scm # Syntax highlighting queries
        ├── brackets.scm   # Bracket matching queries
        └── indents.scm    # Auto-indentation queries

License

MIT - See LICENSE file for details

Contributing

Contributions are welcome! Please feel free to submit issues or pull requests.

Acknowledgments

• Janet programming language: janet-lang.org
• Tree-sitter grammar: Custom implementation included in this extension