semantic_fields.rb in blacklight-6.11.1

- old
+ new

@@ -32,15 +32,17 @@
     # to just take values from Solr stored fields. 
     # Extensions can over-ride this method to provide better/different lookup,
     # but extensions should call super and modify hash returned, to avoid
     # unintentionally erasing values provided by other extensions. 
     def to_semantic_values
-      @semantic_value_hash ||= self.class.field_semantics.each_with_object(Hash.new([])) do |(key, field_name), hash|
-        value = self[field_name]
+      @semantic_value_hash ||= self.class.field_semantics.each_with_object(Hash.new([])) do |(key, field_names), hash|
+        ##
+        # Handles single string field_name or an array of field_names
+        value = Array.wrap(field_names).map { |field_name| self[field_name] }.flatten.compact
 
         # Make single and multi-values all arrays, so clients
         # don't have to know.
-        hash[key] = Array.wrap(value) unless value.nil?
+        hash[key] = value unless value.empty?
       end
 
       @semantic_value_hash ||= {}
     end    
   end