Provide custom overrides to all helpers

Now all helpers can be overridden by custom implementations without editing JB source. Just define a helper's 'engine' as 'custom' in the _config.yml file and provide a helper file of the same name in _includes/custom/. This helps users cleanly upgrade JB versions since they no longer need to edit the files directly.

6 files changed, 91 insertions, 76 deletions

diff --git a/_includes/JB/categories_list b/_includes/JB/categories_list
index 218f525..96d2f36 100644
--- a/_includes/JB/categories_list
+++ b/_includes/JB/categories_list
@@ -17,18 +17,21 @@ Usage:
   This helper can be seen in use at: ../_layouts/default.html
 -->{% endcomment %}
 
-{% if categories_list.first[0] == null %}
-  {% for category in categories_list %} 
-  	<li><a href="{{ BASE_PATH }}{{ site.var.categories_path }}#{{ category }}-ref">
-  		{{ category | join: "/" }} <span>{{ site.categories[category].size }}</span>
-  	</a></li>
-  {% endfor %}
+{% if site.JB.categories_list.engine == "custom" %}
+  {% include custom/categories_list %}
 {% else %}
-  {% for category in categories_list %} 
-  	<li><a href="{{ BASE_PATH }}{{ site.var.categories_path }}#{{ category[0] }}-ref">
-  		{{ category[0] | join: "/" }} <span>{{ category[1].size }}</span>
-  	</a></li>
-  {% endfor %}
+  {% if categories_list.first[0] == null %}
+    {% for category in categories_list %} 
+    	<li><a href="{{ BASE_PATH }}{{ site.var.categories_path }}#{{ category }}-ref">
+    		{{ category | join: "/" }} <span>{{ site.categories[category].size }}</span>
+    	</a></li>
+    {% endfor %}
+  {% else %}
+    {% for category in categories_list %} 
+    	<li><a href="{{ BASE_PATH }}{{ site.var.categories_path }}#{{ category[0] }}-ref">
+    		{{ category[0] | join: "/" }} <span>{{ category[1].size }}</span>
+    	</a></li>
+    {% endfor %}
+  {% endif %}
 {% endif %}
-
-{% assign categories_list = null %}
+{% assign categories_list = nil %}
\ No newline at end of file
diff --git a/_includes/JB/liquid_raw b/_includes/JB/liquid_raw
index 0bd9598..869e9a1 100644
--- a/_includes/JB/liquid_raw
+++ b/_includes/JB/liquid_raw
@@ -24,6 +24,9 @@ Usage:
   As seen here, you must use "|." and ".|" as opening and closing brackets.
 -->{% endcomment%}
 
-<pre><code>{{text | replace:"|.", "&#123;" | replace:".|", "&#125;" | replace:">", "&gt;" | replace:"<", "&lt;" }}</code></pre>
-
-{% assign text = null %}
\ No newline at end of file
+{% if site.JB.liquid_raw.engine == "custom" %}
+  {% include custom/liquid_raw %}
+{% else %}
+  <pre><code>{{text | replace:"|.", "&#123;" | replace:".|", "&#125;" | replace:">", "&gt;" | replace:"<", "&lt;" }}</code></pre>
+{% endif %}
+{% assign text = nil %}
\ No newline at end of file
diff --git a/_includes/JB/pages_list b/_includes/JB/pages_list
index c247a42..07cb058 100644
--- a/_includes/JB/pages_list
+++ b/_includes/JB/pages_list
@@ -20,18 +20,18 @@ Usage:
   This helper can be seen in use at: ../_layouts/default.html
 -->{% endcomment %}
 
-
-{% for node in pages_list %}
-  {% if group == null or group == node.group %}
-  
-  	{% if page.url == node.url %}
-  	<li class="active"><a href="{{ BASE_PATH }}{{node.url}}" class="active">{{node.title}}</a></li>
-  	{% else %}
-  	<li><a href="{{ BASE_PATH }}{{node.url}}">{{node.title}}</a></li>
-  	{% endif %}
- 
-  {% endif %}
-{% endfor %}
-
-{% assign pages_list = null %}
-{% assign group = null %}
+{% if site.JB.pages_list.engine == "custom" %}
+  {% include custom/pages_list %}
+{% else %}
+  {% for node in pages_list %}
+    {% if group == null or group == node.group %}
+    	{% if page.url == node.url %}
+    	<li class="active"><a href="{{ BASE_PATH }}{{node.url}}" class="active">{{node.title}}</a></li>
+    	{% else %}
+    	<li><a href="{{ BASE_PATH }}{{node.url}}">{{node.title}}</a></li>
+    	{% endif %}
+    {% endif %}
+  {% endfor %}
+{% endif %}
+{% assign pages_list = nil %}
+{% assign group = nil %}
\ No newline at end of file
diff --git a/_includes/JB/posts_collate b/_includes/JB/posts_collate
index 4b344aa..588c6fe 100644
--- a/_includes/JB/posts_collate
+++ b/_includes/JB/posts_collate
@@ -17,36 +17,39 @@ Usage:
         
 -->{% endcomment %}
 
-{% for post in posts_collate  %}
-  {% capture this_year %}{{ post.date | date: "%Y" }}{% endcapture %}
-  {% capture this_month %}{{ post.date | date: "%B" }}{% endcapture %}
-  {% capture next_year %}{{ post.previous.date | date: "%Y" }}{% endcapture %}
-  {% capture next_month %}{{ post.previous.date | date: "%B" }}{% endcapture %}
+{% if site.JB.posts_collate.engine == "custom" %}
+  {% include custom/posts_collate %}
+{% else %}
+  {% for post in posts_collate  %}
+    {% capture this_year %}{{ post.date | date: "%Y" }}{% endcapture %}
+    {% capture this_month %}{{ post.date | date: "%B" }}{% endcapture %}
+    {% capture next_year %}{{ post.previous.date | date: "%Y" }}{% endcapture %}
+    {% capture next_month %}{{ post.previous.date | date: "%B" }}{% endcapture %}
   
-  {% if forloop.first %}
-    <h2>{{this_year}}</h2>
-    <h3>{{this_month}}</h3>
-    <ul>
-  {% endif %}
+    {% if forloop.first %}
+      <h2>{{this_year}}</h2>
+      <h3>{{this_month}}</h3>
+      <ul>
+    {% endif %}
   
-  <li><span>{{ post.date | date: "%B %e, %Y" }}</span> &raquo; <a href="{{ BASE_PATH }}{{ post.url }}">{{ post.title }}</a></li>
+    <li><span>{{ post.date | date: "%B %e, %Y" }}</span> &raquo; <a href="{{ BASE_PATH }}{{ post.url }}">{{ post.title }}</a></li>
   
-  {% if forloop.last %}
-    </ul>
-  {% else %}
-    {% if this_year != next_year %}
+    {% if forloop.last %}
       </ul>
-      <h2>{{next_year}}</h2>
-      <h3>{{next_month}}</h3>
-      <ul>
-    {% else %}    
-      {% if this_month != next_month %}
+    {% else %}
+      {% if this_year != next_year %}
         </ul>
+        <h2>{{next_year}}</h2>
         <h3>{{next_month}}</h3>
         <ul>
+      {% else %}    
+        {% if this_month != next_month %}
+          </ul>
+          <h3>{{next_month}}</h3>
+          <ul>
+        {% endif %}
       {% endif %}
     {% endif %}
-  {% endif %}
-{% endfor %}
-
-{% assign posts_collate = null %}
+  {% endfor %}
+{% endif %}
+{% assign posts_collate = nil %}
\ No newline at end of file
diff --git a/_includes/JB/setup b/_includes/JB/setup
index 30342fe..ce7ce7d 100644
--- a/_includes/JB/setup
+++ b/_includes/JB/setup
@@ -2,18 +2,21 @@
   <!--
   - Dynamically set liquid variables for working with URLs/paths
   -->
-  {% if site.safe and site.JB.BASE_PATH %}
-    {% assign BASE_PATH = site.JB.BASE_PATH %}
-    {% assign HOME_PATH = site.JB.BASE_PATH %}
+  {% if site.JB.setup.engine == "custom" %}
+    {% include custom/setup %}
   {% else %}
-    {% assign BASE_PATH = nil %}
-    {% assign HOME_PATH = "/" %}
-  {% endif %}
-
-  {% if site.JB.ASSET_PATH %}
-    {% assign ASSET_PATH = site.JB.ASSET_PATH %}
-  {% else %}
-    {% capture ASSET_PATH %}{{ BASE_PATH }}/assets/themes/{{ page.theme.name }}{% endcapture %}
-  {% endif %}  
+    {% if site.safe and site.JB.BASE_PATH %}
+      {% assign BASE_PATH = site.JB.BASE_PATH %}
+      {% assign HOME_PATH = site.JB.BASE_PATH %}
+    {% else %}
+      {% assign BASE_PATH = nil %}
+      {% assign HOME_PATH = "/" %}
+    {% endif %}
 
+    {% if site.JB.ASSET_PATH %}
+      {% assign ASSET_PATH = site.JB.ASSET_PATH %}
+    {% else %}
+      {% capture ASSET_PATH %}{{ BASE_PATH }}/assets/themes/{{ page.theme.name }}{% endcapture %}
+    {% endif %}  
+  {% endif %}
 {% endcapture %}{% assign jbcache = nil %}
\ No newline at end of file
diff --git a/_includes/JB/tags_list b/_includes/JB/tags_list
index 38725f3..a6d68e8 100644
--- a/_includes/JB/tags_list
+++ b/_includes/JB/tags_list
@@ -17,14 +17,17 @@ Usage:
   This helper can be seen in use at: ../_layouts/default.html
 -->{% endcomment %}
 
-{% if tags_list.first[0] == null %}
-  {% for tag in tags_list %} 
-  	<li><a href="{{ BASE_PATH }}{{ site.var.tags_path }}#{{ tag }}-ref">{{ tag }} <span>{{ site.tags[tag].size }}</span></a></li>
-  {% endfor %}
+{% if site.JB.tags_list.engine == "custom" %}
+  {% include custom/tags_list %}
 {% else %}
-  {% for tag in tags_list %} 
-  	<li><a href="{{ BASE_PATH }}{{ site.var.tags_path }}#{{ tag[0] }}-ref">{{ tag[0] }} <span>{{ tag[1].size }}</span></a></li>
-  {% endfor %}
+  {% if tags_list.first[0] == null %}
+    {% for tag in tags_list %} 
+    	<li><a href="{{ BASE_PATH }}{{ site.var.tags_path }}#{{ tag }}-ref">{{ tag }} <span>{{ site.tags[tag].size }}</span></a></li>
+    {% endfor %}
+  {% else %}
+    {% for tag in tags_list %} 
+    	<li><a href="{{ BASE_PATH }}{{ site.var.tags_path }}#{{ tag[0] }}-ref">{{ tag[0] }} <span>{{ tag[1].size }}</span></a></li>
+    {% endfor %}
+  {% endif %}
 {% endif %}
-
-{% assign tags_list = null %}
+{% assign tags_list = nil %}