Set default values for site variables

good for gem-based first run

_includes/panel.html

@@ -15,7 +15,7 @@
   {% if update_list.size > 0 %}
 
     <div id="access-lastmod" class="post">
-      <span>{{- site.data.label.panel.lastmod -}}</span>
+      <span>{{- site.data.label.panel.lastmod | default: 'Recent Update' -}}</span>
       <ul class="post-content pl-0 pb-1 ml-1 mt-2">
 
       {% for item in update_list %}
@@ -34,7 +34,7 @@
 
   {% if trending_tags.size > 0 %}
     <div id="access-tags">
-      <span>{{- site.data.label.panel.trending_tags -}}</span>
+      <span>{{- site.data.label.panel.trending_tags | default: 'Trending Tags' -}}</span>
       <div class="d-flex flex-wrap mt-3 mb-1 mr-3">
 
       {% for tag_name in trending_tags %}
@@ -52,7 +52,7 @@
     <script src="https://cdn.jsdelivr.net/gh/afeld/bootstrap-toc@1.0.1/dist/bootstrap-toc.min.js"></script>
     <div id="toc-wrapper" class="pl-0 pr-4 mb-5">
       <span class="pl-3 pt-2 mb-2">
-      {{- site.data.label.panel.toc -}}
+      {{- site.data.label.panel.toc | default: 'Contents' -}}
       </span>
       <nav id="toc" data-toggle="toc"></nav>
     </div>

_includes/post-nav.html

@@ -9,7 +9,8 @@
 
 <div class="post-navigation d-flex justify-content-between">
   {% if page.previous.url %}
-  <a href="{{ site.baseurl }}{{ page.previous.url }}" class="btn btn-outline-primary">
+  <a href="{{ site.baseurl }}{{ page.previous.url }}" class="btn btn-outline-primary"
+    prompt="{{ site.data.label.post.button.previous | default: 'previous' }}">
     <p>{{ page.previous.title }}</p>
   </a>
   {% else %}
@@ -19,7 +20,8 @@
   {% endif %}
 
   {% if page.next.url %}
-  <a href="{{ site.baseurl }}{{page.next.url}}" class="btn btn-outline-primary">
+  <a href="{{ site.baseurl }}{{page.next.url}}" class="btn btn-outline-primary"
+    prompt="{{ site.data.label.post.button.next | default: 'next' }}">
     <p>{{ page.next.title }}</p>
   </a>
   {% else %}
@@ -28,4 +30,4 @@
   </span>
   {% endif %}
 
-</div>
+</div>

_includes/post-sharing.html

@@ -8,7 +8,7 @@
 -->
 
 <div class="share-wrapper">
-  <span class="share-label text-muted mr-1">{{ site.data.share.label }}</span>
+  <span class="share-label text-muted mr-1">{{ site.data.label.post.share | default: 'Share' }}</span>
   <span class="share-icons">
     {% capture title %}{{ page.title }} - {{ site.title }}{% endcapture %}
     {% assign url = page.url | absolute_url %}

_includes/read-time.html

@@ -3,13 +3,17 @@
  -->
 {% assign words = include.content | strip_html | number_of_words: "auto" %}
 
-{% assign read_time = words | divided_by: site.data.read_time.wpm %}
+<!-- words per minute  -->
+{% assign wpm = 180 %}
+{% assign min_time = 1 %}
+
+{% assign read_time = words | divided_by: wpm %}
 
 {% unless read_time > 0 %}
-  {% assign read_time = site.data.read_time.min_time %}
+  {% assign read_time = min_time %}
 {% endunless %}
 
 <!-- return element -->
 <span class="readtime" data-toggle="tooltip" data-placement="bottom" title="{{ words }} words">
-  {{- read_time -}}{{" "}}{{- site.data.read_time.prompt -}}
+  {{- read_time -}}{{" "}}{{- site.data.label.read_time_unit | default: "min" -}}
 </span>

_includes/related-posts.html

@@ -85,7 +85,8 @@
 
 {% if index_list.size > 0 %}
   <div id="related-posts" class="mt-5 mb-2 mb-sm-4">
-    <h3 class="pt-2 mt-1 mb-4 ml-1" data-toc-skip>{{ site.data.label.post.relate_posts }}</h3>
+    <h3 class="pt-2 mt-1 mb-4 ml-1"
+      data-toc-skip>{{ site.data.label.post.relate_posts | default: 'Further Reading' }}</h3>
     <div class="card-deck mb-4">
     {% for entry in index_list %}
       {% assign index = entry | plus: 0 %}

_includes/search-results.html

@@ -8,7 +8,7 @@
 <div id="search-result-wrapper" class="d-flex justify-content-center unloaded">
   <div class="col-12 col-xl-11 post-content">
     <div id="search-hints">
-      <h4 class="text-muted mb-4">{{ site.data.label.panel.trending_tags }}</h4>
+      <h4 class="text-muted mb-4">{{ site.data.label.panel.trending_tags | default: 'Trending Tags' }}</h4>
 
       {% include trending-tags.html %}
 

_includes/timeago.html

@@ -6,22 +6,27 @@
   © 2020 Cotes Chung
   MIT License
 -->
+
+{% assign tooltip_df = site.data.date_format.tooltip | default: '%a, %b %e, %Y, %l:%M %p %z' %}
+{% assign post_long_df = site.data.date_format.post.long | default: '%b %e, %Y' %}
+{% assign post_short_df = site.data.date_format.post.short | default: '%b %e' %}
+
 <span class="timeago {% if include.class %}{{ include.class }}{% endif %}"
   {% if include.tooltip %}
     data-toggle="tooltip"
     data-placement="bottom"
-    title="{{ include.date | date: site.data.date_format.tooltip }}"
+    title="{{ include.date | date: tooltip_df }}"
   {% endif %}>
 
   {% assign this_year = site.time | date: "%Y" %}
   {% assign post_year = include.date | date: "%Y" %}
 
   {% if post_year == this_year %}
-    {{ include.date | date: site.data.date_format.post.short }}
+    {{ include.date | date: post_short_df }}
   {% else %}
-    {{ include.date | date: site.data.date_format.post.long }}
+    {{ include.date | date: post_long_df }}
   {% endif %}
 
   <i class="unloaded">{{ include.date | date_to_xmlschema }}</i>
 
-</span>
+</span>

_includes/topbar.html

@@ -42,7 +42,7 @@
     <span id="search-wrapper" class="align-items-center">
       <i class="fas fa-search fa-fw"></i>
       <input class="form-control" id="search-input" type="search"
-        aria-label="search" placeholder="{{ site.data.label.search_hint }}...">
+        aria-label="search" placeholder="{{ site.data.label.search_hint | default: 'Search' }}...">
       <i class="fa fa-times-circle fa-fw" id="search-cleaner"></i>
     </span>
     <span id="search-cancel" >Cancel</span>