lib/bemer/entity_builder.rb in bemer-0.2.0 vs lib/bemer/entity_builder.rb in bemer-0.3.0

@@ -5,10 +5,10 @@
 
 module Bemer
   class EntityBuilder < Entity
     def attrs
       attributes         = Hash[super]
-      attributes[:class] = cls
+      attributes[:class] = cls if cls.present?
 
       return attributes unless bem?
 
       attributes.merge!(js)
     end