Created stylesheet_url and javascript_url liquid filters

lib/locomotive/liquid/filters/html.rb

@@ -3,9 +3,9 @@ module Locomotive
     module Filters
       module Html
 
-        # Write the link to a stylesheet resource
-        # input: url of the css file
-        def stylesheet_tag(input, media = 'screen')
+        # Write the url to a stylesheet resource
+        # input: name of the css file
+        def stylesheet_url(input)
           return '' if input.nil?
 
           unless input =~ /^(\/|http:)/
@@ -14,12 +14,22 @@ module Locomotive
 
           input = "#{input}.css" unless input.ends_with?('.css')
 
+          input
+        end
+
+        # Write the link to a stylesheet resource
+        # input: url of the css file
+        def stylesheet_tag(input, media = 'screen')
+          return '' if input.nil?
+
+          input = stylesheet_url(input)
+
           %{<link href="#{input}" media="#{media}" rel="stylesheet" type="text/css" />}
         end
 
-        # Write the link to javascript resource
-        # input: url of the javascript file
-        def javascript_tag(input)
+        # Write the url to javascript resource
+        # input: name of the javascript file
+        def javascript_url(input)
           return '' if input.nil?
 
           unless input =~ /^(\/|http:)/
@@ -28,7 +38,17 @@ module Locomotive
 
           input = "#{input}.js" unless input.ends_with?('.js')
 
-           %{<script src="#{input}" type="text/javascript"></script>}
+          input
+        end
+
+        # Write the link to javascript resource
+        # input: url of the javascript file
+        def javascript_tag(input)
+          return '' if input.nil?
+
+          input = javascript_url(input)
+
+          %{<script src="#{input}" type="text/javascript"></script>}
         end
 
         def theme_image_url(input)