Contents
{% capture tocWorkspace %}
{% comment %}
Version 1.1.0
https://github.com/allejo/jekyll-toc
"...like all things liquid - where there's a will, and ~36 hours to spare, there's usually a/some way" ~jaybe
Usage:
{% include toc.html html=content sanitize=true class="inline_toc" id="my_toc" h_min=2 h_max=3 %}
Parameters:
* html (string) - the HTML of compiled markdown generated by kramdown in Jekyll
Optional Parameters:
* sanitize (bool) : false - when set to true, the headers will be stripped of any HTML in the TOC
* class (string) : '' - a CSS class assigned to the TOC
* id (string) : '' - an ID to assigned to the TOC
* h_min (int) : 1 - the minimum TOC header level to use; any header lower than this value will be ignored
* h_max (int) : 6 - the maximum TOC header level to use; any header greater than this value will be ignored
* ordered (bool) : false - when set to true, an ordered list will be outputted instead of an unordered list
* item_class (string) : '' - add custom class(es) for each list item; has support for '%level%' placeholder, which is the current heading level
* submenu_class (string) : '' - add custom class(es) for each child group of headings; has support for '%level%' placeholder which is the current "submenu" heading level
* base_url (string) : '' - add a base url to the TOC links for when your TOC is on another page than the actual content
* anchor_class (string) : '' - add custom class(es) for each anchor element
* skip_no_ids (bool) : false - skip headers that do not have an `id` attribute
Output:
An ordered or unordered list representing the table of contents of a markdown block. This snippet will only
generate the table of contents and will NOT output the markdown given to it
{% endcomment %}
{% capture newline %}
{% endcapture %}
{% assign newline = newline | rstrip %}
{% capture deprecation_warnings %}{% endcapture %}
{% if include.baseurl %}
{% capture deprecation_warnings %}{{ deprecation_warnings }}{{ newline }}{% endcapture %}
{% endif %}
{% if include.skipNoIDs %}
{% capture deprecation_warnings %}{{ deprecation_warnings }}{{ newline }}{% endcapture %}
{% endif %}
{% capture jekyll_toc %}{% endcapture %}
{% assign orderedList = include.ordered | default: false %}
{% assign baseURL = include.base_url | default: include.baseurl | default: '' %}
{% assign skipNoIDs = include.skip_no_ids | default: include.skipNoIDs | default: false %}
{% assign minHeader = include.h_min | default: 1 %}
{% assign maxHeader = include.h_max | default: 6 %}
{% assign nodes = include.html | strip | split: ' maxHeader %}
{% continue %}
{% endif %}
{% assign _workspace = node | split: '' | first }}>{% endcapture %}
{% assign header = _workspace[0] | replace: _hAttrToStrip, '' %}
{% if include.item_class and include.item_class != blank %}
{% capture listItemClass %} class="{{ include.item_class | replace: '%level%', currLevel | split: '.' | join: ' ' }}"{% endcapture %}
{% endif %}
{% if include.submenu_class and include.submenu_class != blank %}
{% assign subMenuLevel = currLevel | minus: 1 %}
{% capture subMenuClass %} class="{{ include.submenu_class | replace: '%level%', subMenuLevel | split: '.' | join: ' ' }}"{% endcapture %}
{% endif %}
{% capture anchorBody %}{% if include.sanitize %}{{ header | strip_html }}{% else %}{{ header }}{% endif %}{% endcapture %}
{% if htmlID %}
{% capture anchorAttributes %} href="{% if baseURL %}{{ baseURL }}{% endif %}#{{ htmlID }}"{% endcapture %}
{% if include.anchor_class %}
{% capture anchorAttributes %}{{ anchorAttributes }} class="{{ include.anchor_class | split: '.' | join: ' ' }}"{% endcapture %}
{% endif %}
{% capture listItem %}{{ anchorBody }}{% endcapture %}
{% elsif skipNoIDs == true %}
{% continue %}
{% else %}
{% capture listItem %}{{ anchorBody }}{% endcapture %}
{% endif %}
{% if currLevel > lastLevel %}
{% capture jekyll_toc %}{{ jekyll_toc }}<{{ listModifier }}{{ subMenuClass }}>{% endcapture %}
{% elsif currLevel < lastLevel %}
{% assign repeatCount = lastLevel | minus: currLevel %}
{% for i in (1..repeatCount) %}
{% capture jekyll_toc %}{{ jekyll_toc }}{{ listModifier }}>{% endcapture %}
{% endfor %}
{% capture jekyll_toc %}{{ jekyll_toc }}{% endcapture %}
{% else %}
{% capture jekyll_toc %}{{ jekyll_toc }}{% endcapture %}
{% endif %}
{% capture jekyll_toc %}{{ jekyll_toc }}- {{ listItem }}{% endcapture %}
{% assign lastLevel = currLevel %}
{% assign firstHeader = false %}
{% endfor %}
{% assign repeatCount = minHeader | minus: 1 %}
{% assign repeatCount = lastLevel | minus: repeatCount %}
{% for i in (1..repeatCount) %}
{% capture jekyll_toc %}{{ jekyll_toc }}
{{ listModifier }}>{% endcapture %}
{% endfor %}
{% if jekyll_toc != '' %}
{% assign rootAttributes = '' %}
{% if include.class and include.class != blank %}
{% capture rootAttributes %} class="{{ include.class | split: '.' | join: ' ' }}"{% endcapture %}
{% endif %}
{% if include.id and include.id != blank %}
{% capture rootAttributes %}{{ rootAttributes }} id="{{ include.id }}"{% endcapture %}
{% endif %}
{% if rootAttributes %}
{% assign nodes = jekyll_toc | split: '>' %}
{% capture jekyll_toc %}<{{ listModifier }}{{ rootAttributes }}>{{ nodes | shift | join: '>' }}>{% endcapture %}
{% endif %}
{% endif %}
{% endcapture %}{% assign tocWorkspace = '' %}{{ deprecation_warnings }}{{ jekyll_toc }}