GitBook/Honkit plugin for Ferns

A plugin to display beautiful trees in Honkit (or legacy GitBook).

Installation

Install it via NPM or Yarn:

$ yarn add gitbook-plugin-ferns

Use it in your book by adding it to book.json:

{
  "plugins": ["ferns"]
}

Usage

Use a fenced code block tagged with ferns:

```ferns
a
  key = value
  -- arrow -->
    b
    c
```

This will automatically become a tree: