Rails SLIM capturing support, addresses issue spree#133

lib/deface/slim_converter.rb

@@ -8,8 +8,24 @@ def initialize(template, options = {})
     end
 
     def result
-      ::Slim::ERBConverter.new.call(@template).gsub /<%\s*%>/, ''
+      conv = defined?(Slim::RailsTemplate) ? rails_converter : generic_converter
+      conv.call(@template).gsub(/<%\s*%>/, '')
     end
 
+    private
+
+    def rails_converter
+      slim_erb_converter.new(
+        Temple::OptionMap.new(Slim::RailsTemplate.options.to_h.except(:engine))
+      )
+    end
+
+    def generic_converter
+      slim_erb_converter.new
+    end
+
+    def slim_erb_converter
+      ::Slim::ERBConverter
+    end
   end
 end

spec/deface/slim_converter_spec.rb

@@ -26,6 +26,13 @@ def slim_to_erb(src)
             li = link_to 'Log out', logout_path
 })).to eq("<nav id=\"top-nav-bar\"><ul class=\"inline\" data-hook=\"\" id=\"nav-bar\"><% if true %><div class=\"nav-links high_res\"><li class=\"dropdown\"><div class=\"welcome\">Welcome <%= ::Temple::Utils.escape_html_safe((Spree::User.first.email)) %> &#9662;</div><ul class=\"dropdown\"><li><%= ::Temple::Utils.escape_html_safe((link_to 'Account', account_path)) %></li><li><%= ::Temple::Utils.escape_html_safe((link_to 'Log out', logout_path)) %></li></ul></li></div><% end %></ul></nav>")
       end
+
+      it "should handle Rails capturing" do
+        expect(slim_to_erb(%q{#wishlist-form
+	= form_for Spree::WishedProduct.new do |f|
+		= f.submit 'Save'
+})).to eq("<div id=\"wishlist-form\"><% _slim_controls1 = form_for Spree::WishedProduct.new do |f| %><%= ::Temple::Utils.escape_html_safe((f.submit 'Save')) %><% end %><%= ::Temple::Utils.escape_html_safe((_slim_controls1)) %></div>")
+      end
     end
 
   end