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Replace anchor.js with jekyll-anchor-headings.
This allows us to generate the anchor links on build time. https://github.com/allejo/jekyll-anchor-headings
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| {% capture headingsWorkspace %} | ||
| {% comment %} | ||
| Version 1.0.0 | ||
| https://github.com/allejo/jekyll-anchor-headings | ||
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| "Be the pull request you wish to see in the world." ~Ben Balter | ||
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| Usage: | ||
| {% include anchor_headings.html html=content %} | ||
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| Parameters: | ||
| * html (string) - the HTML of compiled markdown generated by kramdown in Jekyll | ||
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| Optional Parameters: | ||
| * beforeHeading (bool) : false - Set to true if the anchor should be placed _before_ the heading's content | ||
| * anchorBody (string) : '' - The content that will be placed inside the anchor; the `%heading%` placeholder is available | ||
| * anchorClass (string) : '' - The class(es) that will be used for each anchor. Separate multiple classes with a space | ||
| * anchorTitle (string) : '' - The `title` attribute that will be used for anchors | ||
| * h_min (int) : 1 - The minimum header level to build an anchor for; any header lower than this value will be ignored | ||
| * h_max (int) : 6 - The maximum header level to build an anchor for; any header greater than this value will be ignored | ||
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| Output: | ||
| The original HTML with the addition of anchors inside of all of the h1-h6 headings. | ||
| {% endcomment %} | ||
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| {% assign minHeader = include.h_min | default: 1 %} | ||
| {% assign maxHeader = include.h_max | default: 6 %} | ||
| {% assign beforeHeading = include.beforeHeading %} | ||
| {% assign nodes = include.html | split: '<h' %} | ||
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| {% capture edited_headings %}{% endcapture %} | ||
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| {% for node in nodes %} | ||
| {% if node == "" %} | ||
| {% continue %} | ||
| {% endif %} | ||
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| {% assign headerLevel = node | replace: '"', '' | slice: 0, 1 | times: 1 %} | ||
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| <!-- If the node doesn't have a header, then it's content before the first heading; don't discard it --> | ||
| {% if headerLevel < 1 or headerLevel > 6 %} | ||
| {% capture edited_headings %}{{ edited_headings }}{{ node }}{% endcapture %} | ||
| {% continue %} | ||
| {% endif %} | ||
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| {% assign _workspace = node | split: '</h' %} | ||
| {% assign _idWorkspace = _workspace[0] | split: 'id="' %} | ||
| {% assign _idWorkspace = _idWorkspace[1] | split: '"' %} | ||
| {% assign html_id = _idWorkspace[0] %} | ||
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| {% capture _hAttrToStrip %}{{ _workspace[0] | split: '>' | first }}>{% endcapture %} | ||
| {% assign header = _workspace[0] | replace: _hAttrToStrip, '' %} | ||
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| <!-- Build the anchor to inject for our heading --> | ||
| {% capture anchor %}{% endcapture %} | ||
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| {% if html_id and headerLevel >= minHeader and headerLevel <= maxHeader %} | ||
| {% capture anchor %}href="#{{ html_id}}"{% endcapture %} | ||
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| {% if include.anchorClass %} | ||
| {% capture anchor %}{{ anchor }} class="{{ include.anchorClass }}"{% endcapture %} | ||
| {% endif %} | ||
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| {% if include.anchorTitle %} | ||
| {% capture anchor %}{{ anchor }} title="{{ include.anchorTitle | replace: '%heading%', header }}"{% endcapture %} | ||
| {% endif %} | ||
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| {% capture anchor %}<a {{ anchor }}>{{ include.anchorBody | replace: '%heading%', header | default: '' | raw }}</a>{% endcapture %} | ||
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| {% if beforeHeading %} | ||
| {% capture anchor %}{{ anchor }} {% endcapture %} | ||
| {% else %} | ||
| {% capture anchor %} {{ anchor }}{% endcapture %} | ||
| {% endif %} | ||
| {% endif %} | ||
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| <!-- The placement of our anchor, before the heading content or after --> | ||
| {% if beforeHeading %} | ||
| {% capture _current %}<h{{ _hAttrToStrip | raw }}{{ anchor }}{% endcapture %} | ||
| {% capture edited_headings %}{{ edited_headings }}{{ node | replace: _hAttrToStrip, _current | raw }}{% endcapture %} | ||
| {% else %} | ||
| {% capture _current %}<h{{ _workspace | first }}{{ anchor }}</h{{ _workspace | last }}{% endcapture %} | ||
| {% capture edited_headings %}{{ edited_headings }}{{ _current }}{% endcapture %} | ||
| {% endif %} | ||
| {% endfor %} | ||
| {% endcapture %}{% assign headingsWorkspace = '' %}{{ edited_headings | strip }} |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,10 +1,15 @@ | ||
| .anchorjs-link { | ||
| .bd-anchor { | ||
| padding-left: .25rem; | ||
| font-weight: 400; | ||
| color: rgba($link-color, .5); | ||
| @include transition(color .16s linear); | ||
| color: $link-color; | ||
| opacity: 0; | ||
| @include transition(opacity .16s linear); | ||
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| &:hover { | ||
| :hover > &, | ||
| &:hover, | ||
| &:focus { | ||
| color: $link-color; | ||
| text-decoration: none; | ||
| opacity: 1; | ||
| } | ||
| } |