lib/page_rankr/index.rb in PageRankr-3.0.2 vs lib/page_rankr/index.rb in PageRankr-3.1.0

@@ -3,7 +3,13 @@
 module PageRankr
   module Index
     include Tracker
 
     alias_method :index, :tracked
+
+    def clean(raw)
+      cleaned_content = super(raw)
+      return nil if cleaned_content.nil? || cleaned_content.zero?
+      cleaned_content
+    end
   end
 end
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