I heard class attribute should be first

lib/hamlit/attribute_sorter.rb

@@ -0,0 +1,21 @@
+require 'hamlit/filter'
+
+# Haml-spec specifies attribute order inspite of an original order.
+# Because temple's parser should return a result as original as possible,
+# the ordering delegated to this filter.
+module Hamlit
+  class AttributeSorter < Hamlit::Filter
+    def on_haml_attrs(*attrs)
+      [:html, :attrs, *pull_class_first(attrs)]
+    end
+
+    private
+
+    def pull_class_first(attrs)
+      class_attr = attrs.select do |html, attr, name, content|
+        name == 'class'
+      end
+      class_attr + (attrs - class_attr)
+    end
+  end
+end

lib/hamlit/engine.rb

@@ -1,5 +1,6 @@
 require 'temple'
 require 'hamlit/attribute_compiler'
+require 'hamlit/attribute_sorter'
 require 'hamlit/dynamic_formatter'
 require 'hamlit/doctype_compiler'
 require 'hamlit/filter_compiler'
@@ -24,6 +25,7 @@ module Hamlit
     use DoctypeCompiler
     use AttributeCompiler
     use NewAttributeCompier
+    use AttributeSorter
     use FilterFormatter
     use FilterCompiler
     use ScriptCompiler

lib/hamlit/new_attribute_compiler.rb

@@ -17,7 +17,7 @@ module Hamlit
           attrs << compile(exp)
         end
       end
-      [:html, :attrs, *attrs]
+      [:haml, :attrs, *attrs]
     end
 
     private

spec/hamlit/engine/tag_spec.rb

@@ -94,7 +94,7 @@ describe Hamlit::Engine do
       assert_render(<<-HAML, <<-HTML)
         %span#a.b#c.d hello
       HAML
-        <span id='c' class='b d'>hello</span>
+        <span class='b d' id='c'>hello</span>
       HTML
     end
 
@@ -102,7 +102,7 @@ describe Hamlit::Engine do
       assert_render(<<-HAML, <<-HTML)
         #hello.world
       HAML
-        <div id='hello' class='world'></div>
+        <div class='world' id='hello'></div>
       HTML
     end