A table of contents plugin for Markdown-it. Based on https://github.com/samchrisinger/markdown-it-toc but simpler, a bit more customizable and with a default slugifier that matches that of https://www.npmjs.com/package/markdown-it-anchor.
var MarkdownIt = require("markdown-it");
var md = new MarkdownIt();
md.use(require("markdown-it-anchor")); // Optional, but makes sense as you really want to link to something
md.use(require("markdown-it-table-of-contents"));
Then add [[toc]]
where you want the table of contents to be added in your markdown.
This markdown:
# Heading
[[toc]]
## Sub heading 1
Some nice text
## Sub heading 2
Some even nicer text
... would render this HTML using the default options specified in "usage" above:
<h1 id="heading">Heading</h1>
<div class="table-of-contents">
<ul>
<li><a href="#heading">Heading</a>
<ul>
<li><a href="#sub-heading-1">Sub heading 1</a></li>
<li><a href="#sub-heading-2">Sub heading 2</a></li>
</ul>
</li>
</ul>
</div>
<h2 id="sub-heading-1">Sub heading 1</h2>
<p>Some nice text</p>
<h2 id="sub-heading-2">Sub heading 2</h2>
<p>Some even nicer text</p>
You may specify options when use
ing the plugin. like so:
md.use(require("markdown-it-table-of-contents", options));
These options are available:
Name | Description | Default |
---|---|---|
"includeLevel" | Headings levels to use (2 for h2:s etc) | [1, 2] |
"containerClass" | The class for the container DIV | "table-of-contents" |
"slugify" | A custom slugification function | string.js' slugify |