tag-forest.md

title	headname	layout
Tag-Forest	Tag Forest	default

  {%- comment -%} set tags_max to 0 {%- endcomment -%}
  {% assign tags_max = 0 %}

  {%- comment -%} if the number of tags is mode than 0, set it to that number {%- endcomment -%}
  {% for tag in site.tags %}
    {% if tag[1].size > tags_max %}
      {% assign tags_max = tag[1].size %}
    {% endif %}
  {% endfor %}

  {%- comment -%} create an empty array and tag count {%- endcomment -%}
  {% assign tag_names_array = "" %}
  {% assign tag_counts = "" %}
  {% assign first_array_element = true %}

  {%- comment -%} loop through tag names and assign them to appropriate tag_name {%- endcomment -%}
  {% for i in (1..tags_max) reversed %}
    {% assign tag_names = "" %}
    {% assign first_tag = true %}
    {% for tag in site.tags %}
      {% if tag[1].size == i %}
        {% if first_tag %}
          {% assign first_tag = false %}
        {% else %}
          {% assign tag_names = tag_names | append: "," %}
        {% endif %}
        {% assign tag_names = tag_names | append: tag[0] %}
      {% endif %}
    {% endfor %}

    {%- comment -%} if tag name is empty, append the tag names to the array and increment {%- endcomment -%}
    {% if tag_names != "" %}
      {% assign tag_names = tag_names | split: "," | sort | join: "," %}
      {% if first_array_element %}
        {% assign first_array_element = false %}
      {% else %}
        {% assign tag_names_array = tag_names_array | append: "|" %}
        {% assign tag_counts = tag_counts | append: "|" %}
      {% endif %}
      {% assign tag_names_array = tag_names_array | append: tag_names %}
      {% assign tag_counts = tag_counts | append: i %}
    {% endif %}
  {% endfor %}
  {% assign tag_names_array = tag_names_array | split: "|" %}

  {%- comment -%} create two arrays [shown on website] {%- endcomment -%}
  {% assign tag_counts = tag_counts | split: "|" %}
  <ul class="taxonomy-index">
    {% for tag_names in tag_names_array %}
      {% assign tag_names_list = tag_names | split: "," %}
      {% assign tag_count = tag_counts[forloop.index0] %}
      {% for tag_name in tag_names_list %}
        <li>
          <a href="#{{ tag_name | slugify }}">
            <strong>{{ tag_name }}</strong>
            <span class="taxonomy-count">{{ tag_count }}</span>
          </a>
        </li>
      {% endfor %}
    {% endfor %}
  </ul>
  {%- comment -%} all-posts button {%- endcomment -%}
  <br><a href="/pages/notes.html">
    <button type="button" class="btn btn-outline-success">Back to all posts</button></a>
</div>

<div class="col-8">
  <hr class="h-line">
  {% for tag_names in tag_names_array %}
    {% assign tag_names_list = tag_names | split: "," %}
    {% for tag_name in tag_names_list %}
      <section id="{{ tag_name | slugify | downcase }}" class="taxonomy-section">
        <h2>{{ tag_name }}</h2>
        {% for tag in site.tags %}
          {% if tag[0] == tag_name %}
            <div>
              <ul class = "taxonomy-list">
                <li>
                  {% for post in tag[1] %}
                      <h5 class = "post-title"><strong><a href="{{ post.url }}">{{ post.title }}</a></strong></h5>
                  {% endfor %}
                </li>
              </ul>
            </div>
          {% endif %}
        {% endfor %}
      </section>
    {% endfor %}
  {% endfor %}

  <hr class="h-line">
  {%- comment -%} all-posts button {%- endcomment -%}
  <a href="/pages/notes.html">
    <button type="button" class="btn">Back to all posts</button>
  </a>
</div>