Orange Book Format Extension for Quarto

A Quarto format extension that provides Typst book support using the orange-book package.

Installation

Orange-book will be bundled with Quarto 1.9 and will be the default extension for Typst book projects.

However, if you want to explicitly install and use this extension

quarto add quarto-ext/orange-book

Usage

In your _quarto.yml:

project:
  type: book

format: orange-book-typst

Features

• Transforms book parts into #part[...] calls for proper orange-book formatting
• Handles appendix sections with #show: appendices.with(...)
• Chapter-based numbering for equations, callouts, and cross-references
• Integrates with Quarto's brand system for colors and logos

Requirements

• Quarto >= 1.9.17
• The orange-book Typst package (automatically imported and bundled with typst-gather)

How It Works

This extension:

1. Provides template partials (typst-show.typ, numbering.typ) that configure the orange-book package
2. Includes a Lua filter (orange-book.lua) that transforms Quarto's book structure into orange-book-specific Typst commands
3. Uses Quarto's file_metadata API to detect book item types (parts, chapters, appendices)

License

MIT