added mincer font/image helpers #551

Author: mahnunchik

test/dummy_node_mincer/application.css

@@ -1,4 +1,5 @@
 
 /*
  *= require require_all 
- */
+ */
+ 

test/dummy_node_mincer/require_all.css.ejs.scss

@@ -5,4 +5,4 @@
 
 #image-retina {
   @include img-retina("apple-touch-icon-144-precomposed.png", "apple-touch-icon-144-precomposed.png", 72px, 72px);
-}
+}

vendor/assets/stylesheets/bootstrap/_bootstrap-mincer.scss

@@ -0,0 +1,12 @@
+
+@function twbs-font-path ($path) {
+  // do something like following
+  // from "path/to/font.ext#suffix" to "<%- asset_path(path/to/font.ext)) + #suffix %>"
+  // from "path/to/font.ext?#suffix" to "<%- asset_path(path/to/font.ext)) + ?#suffix %>"
+  // or from "path/to/font.ext" just "<%- asset_path(path/to/font.ext)) %>"
+  @return "<%- asset_path('#{$path}'.replace(/[#?].*$/, '')) + '#{$path}'.replace(/(^[^#?]*)([#?]?.*$)/, '$2') %>";
+}
+
+@function twbs-image-path ($file) {
+  @return "<%- asset_path('#{$file}') %>";
+}