290 lines
9.4 KiB
HTML
290 lines
9.4 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: '<code><div class="table-wrapper">', '<code>'
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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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<!-- Change the icon of checkbox -->
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{% if _content contains '<input type="checkbox"' %}
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{% assign _content = _content
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| replace:
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'<input type="checkbox" class="task-list-item-checkbox" disabled="disabled" checked="checked" />',
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'<i class="fas fa-check-circle fa-fw checked"></i>'
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| replace:
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'<input type="checkbox" class="task-list-item-checkbox" disabled="disabled" />',
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'<i class="far fa-circle fa-fw"></i>'
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%}
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{% endif %}
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<!-- images -->
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{% if _content contains '<img' %}
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{% assign IMG_TAG = '<img ' %}
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{% assign _img_content = nil %}
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{% assign _img_snippets = _content | split: IMG_TAG %}
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<!-- CDN URL -->
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{% if site.img_cdn %}
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{% if site.img_cdn contains '//' %}
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{% assign _path_prefix = site.img_cdn %}
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{% else %}
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{% assign _path_prefix = site.img_cdn | relative_url %}
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{% endif %}
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{% else %}
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{% assign _path_prefix = site.baseurl %}
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{% endif %}
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<!-- Add image path -->
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{% if page.img_path %}
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{% assign _path = page.img_path | append: '/' | replace: '//', '/' %}
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{% assign _path_prefix = _path_prefix | append: _path %}
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{% endif %}
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{% for _img_snippet in _img_snippets %}
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{% if forloop.first %}
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{% assign _img_content = _img_snippet %}
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{% continue %}
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{% endif %}
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{% assign _left = _img_snippet | split: '>' | first %}
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{% assign _right = _img_snippet | remove: _left %}
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{% unless _left contains 'src=' %}
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{% continue %}
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{% endunless %}
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{% assign _left = _left | remove: ' /' | replace: ' w=', ' width=' | replace: ' h=', ' height=' %}
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{% assign _attrs = _left | split: '" ' %}
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{% assign _width = nil %}
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{% assign _height = nil %}
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{% assign _lqip = nil %}
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{% assign _class = nil %}
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{% for _attr in _attrs %}
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{% unless _attr contains '=' %}
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{% continue %}
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{% endunless %}
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{% assign _pair = _attr | split: '="' %}
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{% capture _key %}{{ _pair | first }}{% endcapture %}
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{% capture _value %}{{ _pair | last | remove: '"' }}{% 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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{% when 'src' %}
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{% assign _src = _value %}
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{% when 'lqip' %}
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{% assign _lqip = _value %}
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{% when 'class' %}
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{% assign _class = _value %}
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{% endcase %}
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{% endfor %}
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<!-- take out classes -->
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{% if _class %}
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{% capture _old_class %}class="{{ _class }}"{% endcapture %}
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{% assign _left = _left | remove: _old_class %}
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{% endif %}
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{% assign _final_src = nil %}
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{% unless _src contains '//' %}
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{% assign _final_src = _path_prefix | append: _src %}
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{% capture _src_from %}"{{ _src }}"{% endcapture %}
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{% capture _src_to %}"{{ _final_src }}"{% endcapture %}
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{% assign _left = _left | replace: _src_from, _src_to %}
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{% endunless %}
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{% if _lqip %}
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{% unless _lqip contains ':' %}
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{% assign _final_lqip = _path_prefix | append: _lqip %}
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{% capture _lqip_from %}"{{ _lqip }}"{% endcapture %}
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{% capture _lqip_to %}"{{ _final_lqip }}"{% endcapture %}
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{% assign _left = _left | replace: _lqip_from, _lqip_to %}
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{% endunless %}
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{% endif %}
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<!-- lazy-load images <https://github.com/aFarkas/lazysizes#readme> -->
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{% assign _left = _left | replace: 'src=', 'data-src=' %}
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{% if _left contains 'class=' %}
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{% assign _left = _left | replace: 'class="', 'class="lazyload '%}
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{% else %}
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{% assign _left = _left | append: ' class="lazyload"' %}
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{% endif %}
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<!-- add image placeholder -->
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{% if _lqip %}
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{% assign _left = _left | replace: ' lqip=', ' data-lqip="true" src=' %}
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{% else %}
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{% if _width and _height %}
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<!-- add SVG placehoder -->
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{%- capture _svg -%}
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src="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 {{ _width }} {{ _height }}'%3E%3C/svg%3E"
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{%- endcapture -%}
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{% assign _left = _svg | append: ' ' | append: _left %}
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{% assign _class = _class | append: ' shimmer' %}
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{% endif %}
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{% endif %}
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<!-- Bypass the HTML-proofer test -->
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{% assign _left = _left | append: ' data-proofer-ignore' %}
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{% if page.layout == 'post' %}
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<!-- make sure the `<img>` is wrapped by `<a>` -->
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{% assign _parent = _right | slice: 1, 4 %}
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{% if _parent == '</a>' %}
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<!-- add class to exist <a> tag -->
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{% assign _size = _img_content | size | minus: 1 %}
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{% capture _class %}
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class="img-link{% unless _lqip %} shimmer{% endunless %}"
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{% endcapture %}
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{% assign _img_content = _img_content | slice: 0, _size | append: _class | append: '>' %}
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{% else %}
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<!-- create the image wrapper -->
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{%- capture _wrapper_start -%}
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<a href="{{ _final_src | default: _src }}" class="popup img-link {{ _class }}">
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{%- endcapture -%}
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{% assign _img_content = _img_content | append: _wrapper_start %}
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{% assign _right = _right | prepend: '></a' %}
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{% endif %}
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{% endif %}
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{% if page.layout == 'home' %}
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<!-- create the image wrapper -->
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{%- capture _wrapper_start -%}
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<div class="preview-img {{ _class | strip }}">
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{%- endcapture -%}
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{% assign _img_content = _img_content | append: _wrapper_start %}
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{% assign _right = _right | prepend: '></div' %}
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{% endif %}
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<!-- combine -->
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{% assign _img_content = _img_content | append: debug | append: IMG_TAG | append: _left | append: _right %}
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{% endfor %}
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{% if _img_content %}
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{% assign _content = _img_content %}
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{% endif %}
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{% endif %}
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<!-- Add header for code snippets -->
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{% if _content contains '<div class="highlight"><code>' %}
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{% assign _code_spippets = _content | split: '<div class="highlight"><code>' %}
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{% assign _new_content = '' %}
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{% for _snippet in _code_spippets %}
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{% if forloop.last %}
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{% assign _new_content = _new_content | append: _snippet %}
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{% else %}
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{% assign _left = _snippet | split: '><' | last%}
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{% if _left contains 'file="' %}
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{% assign _label_text = _left | split: 'file="' | last | split: '"' | first %}
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{% assign _label_icon = 'far fa-file-code' %}
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{% else %}
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{% assign _lang = _left | split: 'language-' | last | split: ' ' | first %}
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{% capture _label_text %}{% include language-alias.html language=_lang %}{% endcapture %}
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{% assign _label_icon = 'fas fa-code small' %}
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{% endif %}
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{% capture _label %}
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<span data-label-text="{{ _label_text | strip }}"><i class="{{ _label_icon }}"></i></span>
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{% endcapture %}
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{% assign _new_content = _new_content | append: _snippet
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| append: '<div class="code-header">'
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| append: _label
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| append: '<button aria-label="copy" data-title-succeed="'
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| append: site.data.locales[include.lang].post.button.copy_code.succeed
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| append: '"><i class="far fa-clipboard"></i></button></div>'
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| append: '<div class="highlight"><code>'
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%}
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{% endif %}
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{% endfor %}
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{% assign _content = _new_content %}
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{% endif %}
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<!-- Create heading anchors -->
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{% assign heading_levels = '2,3,4,5' | split: ',' %}
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{% assign _heading_content = _content %}
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{% for level in heading_levels %}
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{% capture mark_start %}<h{{ level }} id="{% endcapture %}
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{% capture mark_end %}</h{{ level }}>{% endcapture %}
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{% if _heading_content contains mark_start %}
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{% assign _new_content = nil %}
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{% assign heading_snippets = _heading_content | split: mark_start %}
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{% for snippet in heading_snippets %}
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{% if forloop.first %}
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{% assign _new_content = snippet %}
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{% continue %}
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{% endif %}
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{% assign id = snippet | split: '"' | first %}
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{% capture anchor %}<a href="#{{ id }}" class="anchor text-muted"><i class="fas fa-hashtag"></i></a>{% endcapture %}
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{% assign left = snippet | split: mark_end | first %}
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{% assign right = snippet | slice: left.size, snippet.size %}
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{% assign left = left | replace_first: '">', '"><span class="mr-2">' | append: '</span>' %}
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{% assign _new_content = _new_content | append: mark_start
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| append: left | append: anchor | append: right
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%}
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{% endfor %}
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{% assign _heading_content = _new_content %}
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{% endif %}
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{% endfor %}
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{% assign _content = _heading_content %}
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<!-- return -->
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{{ _content }}
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