From a31bd447d070cdfdac4db5275d404cfeb4ca5e72 Mon Sep 17 00:00:00 2001
From: Michael Rose <est.michael@gmail.com>
Date: Thu, 10 Mar 2016 22:12:37 -0500
Subject: [PATCH] Properly detect if a page has tags or categories - Arrays are
 truthy, test on first item instead

---
 _includes/page__taxonomy.html | 48 +++++++++++++++++++----------------
 1 file changed, 26 insertions(+), 22 deletions(-)

diff --git a/_includes/page__taxonomy.html b/_includes/page__taxonomy.html
index 6243638f..ad8376a5 100644
--- a/_includes/page__taxonomy.html
+++ b/_includes/page__taxonomy.html
@@ -5,30 +5,34 @@
   <!-- modified from http://www.codeofclimber.ru/2015/sorting-site-tags-in-jekyll/ -->
 {% endcomment %}
 
-{% if site.tags_archive_filename %}
-  {% capture page_tags %}{% for tag in page.tags %}{{ tag | downcase }}#{{ tag }}{% unless forloop.last %},{% endunless %}{% endfor %}{% endcapture %}
-  {% assign tag_hashes = (page_tags | split: ',' | sort:0) %}
+{% if page.tags[0] %}
+  {% if site.tags_archive_filename %}
+    {% capture page_tags %}{% for tag in page.tags %}{{ tag | downcase }}#{{ tag }}{% unless forloop.last %},{% endunless %}{% endfor %}{% endcapture %}
+    {% assign tag_hashes = (page_tags | split: ',' | sort:0) %}
 
-  <p><strong>{{ site.data.ui-text[site.locale].tags_label }}</strong> <span class="page__taxonomy-wrapper" itemprop="keywords">
-  {% for hash in tag_hashes %}
-    {% assign keyValue = hash | split: '#' %}
-    {% capture tag_word %}{{ keyValue[1] | strip_newlines }}{% endcapture %}
-      <a href="{{ base_path }}{{ tag_word | slugify | prepend: '/#' | prepend: site.tags_archive_filename | prepend: "/" }}" class="page__taxonomy-item" rel="tag">{{ tag_word }}</a>{% unless forloop.last %}, {% endunless %}
-  {% endfor %}
-  </span>
-  </p>
+    <p><strong>{{ site.data.ui-text[site.locale].tags_label }}</strong> <span class="page__taxonomy-wrapper" itemprop="keywords">
+    {% for hash in tag_hashes %}
+      {% assign keyValue = hash | split: '#' %}
+      {% capture tag_word %}{{ keyValue[1] | strip_newlines }}{% endcapture %}
+        <a href="{{ base_path }}{{ tag_word | slugify | prepend: '/#' | prepend: site.tags_archive_filename | prepend: "/" }}" class="page__taxonomy-item" rel="tag">{{ tag_word }}</a>{% unless forloop.last %}, {% endunless %}
+    {% endfor %}
+    </span>
+    </p>
+  {% endif %}
 {% endif %}
 
-{% if site.categories_archive_filename %}
-  {% capture page_categories %}{% for category in page.categories %}{{ category | downcase }}#{{ category }}{% unless forloop.last %},{% endunless %}{% endfor %}{% endcapture %}
-  {% assign category_hashes = (page_categories | split: ',' | sort:0) %}
+{% if page.categories[0] %}
+  {% if site.categories_archive_filename %}
+    {% capture page_categories %}{% for category in page.categories %}{{ category | downcase }}#{{ category }}{% unless forloop.last %},{% endunless %}{% endfor %}{% endcapture %}
+    {% assign category_hashes = (page_categories | split: ',' | sort:0) %}
 
-  <p><strong>{{ site.data.ui-text[site.locale].categories_label }}</strong> <span class="page__taxonomy-wrapper" itemprop="keywords">
-  {% for hash in category_hashes %}
-    {% assign keyValue = hash | split: '#' %}
-    {% capture category_word %}{{ keyValue[1] | strip_newlines }}{% endcapture %}
-      <a href="{{ base_path }}{{ category_word | slugify | prepend: '/#' | prepend: site.categories_archive_filename | prepend: "/" }}" class="page__taxonomy-item" rel="tag">{{ category_word }}</a>{% unless forloop.last %}, {% endunless %}
-  {% endfor %}
-  </span>
-  </p>
+    <p><strong>{{ site.data.ui-text[site.locale].categories_label }}</strong> <span class="page__taxonomy-wrapper" itemprop="keywords">
+    {% for hash in category_hashes %}
+      {% assign keyValue = hash | split: '#' %}
+      {% capture category_word %}{{ keyValue[1] | strip_newlines }}{% endcapture %}
+        <a href="{{ base_path }}{{ category_word | slugify | prepend: '/#' | prepend: site.categories_archive_filename | prepend: "/" }}" class="page__taxonomy-item" rel="tag">{{ category_word }}</a>{% unless forloop.last %}, {% endunless %}
+    {% endfor %}
+    </span>
+    </p>
+  {% endif %}
 {% endif %}
\ No newline at end of file