lib/scss_lint/linter/duplicate_property.rb in scss-lint-0.14.0 vs lib/scss_lint/linter/duplicate_property.rb in scss-lint-0.15.0

@@ -11,13 +11,28 @@
       prop_names = {}
 
       properties.each do |prop|
         name = prop.name.join
 
-        if existing_prop = prop_names[name]
+        prop_hash = name
+        prop_value =
+          case prop.value
+          when Sass::Script::Funcall
+            prop.value.name
+          when Sass::Script::String
+            prop.value.value
+          else
+            prop.value.to_s
+          end
+
+        prop_value.to_s.scan(/^(-[^-]+-.+)/) do |vendor_keyword|
+          prop_hash << vendor_keyword.first
+        end
+
+        if existing_prop = prop_names[prop_hash]
           add_lint(prop, "Property '#{name}' already defined on line #{existing_prop.line}")
         else
-          prop_names[name] = prop
+          prop_names[prop_hash] = prop
         end
       end
     end
   end
 end