135 lines
4 KiB
HTML
135 lines
4 KiB
HTML
<!--
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Refactor the HTML structure.
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-->
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{% assign _content = include.content %}
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<!--
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In order to allow a wide table to scroll horizontally,
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we suround the markdown table with `<div class="table-wrapper">` and `</div>`
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-->
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{% if _content contains '<table>' %}
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{% assign _content = _content
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| replace: '<table>', '<div class="table-wrapper"><table>'
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| replace: '</table>', '</table></div>'
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| replace: '</table></div></code>', '</table></code>'
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%}
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{% endif %}
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<!--
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Fixed kramdown code highlight rendering:
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https://github.com/penibelst/jekyll-compress-html/issues/101
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https://github.com/penibelst/jekyll-compress-html/issues/71#issuecomment-188144901
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-->
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{% if _content contains '<pre class="highlight">' %}
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{% assign _content = _content
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| replace: '<div class="highlight"><pre class="highlight"><code', '<div class="highlight"><code'
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| replace: '</code></pre></div>', '</code></div>'
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%}
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{% endif %}
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<!-- Add attribute 'hide-bullet' to the checkbox list -->
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{% if _content contains '<li class="task-list-item"><' %}
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{% assign _content = _content
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| replace: '"task-list-item"><', '"task-list-item" hide-bullet><'
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%}
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{% endif %}
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<!-- images -->
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{% if _content contains '<img src="' %}
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<!-- add CDN prefix if it exists -->
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{% if site.img_cdn != '' %}
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{% assign img_path_replacement = '<img src="' | append: site.img_cdn | append: '/' %}
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{% else %}
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{% assign img_path_replacement = '<img src="' | append: site.baseurl | append: '/' %}
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{% endif %}
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{% assign _content = _content | replace: '<img src="/', img_path_replacement %}
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<!-- lazy-load images <https://github.com/ApoorvSaxena/lozad.js#usage> -->
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{% assign _content = _content | replace: '<img src="', '<img data-proofer-ignore data-src="' %}
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<!-- add image placehoder to prevent layout reflow -->
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{% assign _img_content = nil %}
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{% assign _images = _content | split: '<img ' %}
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{% for _img in _images %}
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{% if forloop.first %}
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{% assign _img_content = _img %}
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{% continue %}
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{% endif %}
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{% assign _width = nil %}
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{% assign _height = nil %}
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{% assign _attrs = _img | split: '>' | first | split: ' ' %}
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{% for _attr in _attrs %}
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{% capture _key %}{{ _attr | split: '=' | first }}{% endcapture %}
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{% capture _value %}{{ _attr | split: '=' | last | replace: '"', '' }}{% endcapture %}
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{% case _key %}
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{% when 'width' %}
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{% assign _width = _value %}
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{% when 'height' %}
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{% assign _height = _value %}
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{% endcase %}
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{% if _width and _height %}
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{% capture _svg %}data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 {{_width}} {{_height}}'%3E%3C/svg%3E{% endcapture %}
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{% assign _img_content = _img_content | append: '<img src="' | append: _svg | append: '" ' | append: _img %}
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{% break %}
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{% endif %}
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{% endfor %}
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{% unless _width and _height %}
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{% assign _img_content = _img_content | append: '<img ' | append: _img %}
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{% endunless %}
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{% endfor %}
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{% assign _content = _img_content %}
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{% endif %}
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<!-- Add header for code snippets -->
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{% if _content contains '<div class="language-' %}
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{% assign _code_splits = _content | split: '<div class="language-' %}
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{% assign _new_content = nil %}
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{% for _snippet in _code_splits %}
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{% if forloop.first %}
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{% assign _new_content = _snippet %}
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{% else %}
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{% assign _lang = _snippet | split: ' ' | first %}
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{% capture _tag_head %}<div class="language-{% endcapture %}
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{% assign _replacement = '-rouge"><div class="code-header" data-lang="'
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| append: _lang
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| append: '"><button><i class="far fa-clone"></i></button></div><div class="highlight">'
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%}
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{% capture _tag_tail %}{{ _snippet | replace: '-rouge"><div class="highlight">', _replacement }}{% endcapture %}
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{% assign _new_content = _new_content | append: _tag_head | append: _tag_tail %}
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{% endif %}
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{% endfor %}
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{% if _new_content %}
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{% assign _content = _new_content %}
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{% endif %}
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{% endif %}
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<!-- return -->
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{{ _content }}
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