lib/roda/plugins/json.rb in roda-1.2.0 vs lib/roda/plugins/json.rb in roda-1.3.0

@@ -26,18 +26,21 @@
     #   r.is "foo" do
     #     {'a'=>'b'}
     #   end
     #
     # By default, only arrays and hashes are handled, but you
-    # can automatically convert other types to json by adding
-    # them to json_result_classes:
+    # can specifically set the allowed classes to json by adding
+    # using the :classes option when loading the plugin:
     #
-    #   plugin :json
-    #   json_result_classes << Sequel::Model
+    #   plugin :json, :classes=>[Array, Hash, Sequel::Model]
     module Json
       # Set the classes to automatically convert to JSON
-      def self.configure(app)
-        app.opts[:json_result_classes] ||= [Array, Hash]
+      def self.configure(app, opts={})
+        classes = opts[:classes] || [Array, Hash]
+        app.opts[:json_result_classes] ||= []
+        app.opts[:json_result_classes] += classes
+        app.opts[:json_result_classes].uniq!
+        app.opts[:json_result_classes].extend(RodaDeprecateMutation)
       end
 
       module ClassMethods
         # The classes that should be automatically converted to json
         def json_result_classes