Merge pull request #3805 from AlchemyCMS/fix-configuration-to_json

fix(Configuration): Delegate to_json to to_h

Author: tvdeyen

lib/alchemy/configuration.rb

@@ -68,6 +68,8 @@ def to_h
       ).to_h
     end
 
+    delegate :to_json, to: :to_h
+
     class << self
       def defined_configurations = []
 

spec/libraries/alchemy/configuration_spec.rb

@@ -290,6 +290,12 @@
         uploader: {file_size_limit: 100, upload_limit: 50}
       )
     end
+
+    it "can be converted to JSON" do
+      expect(configuration.to_json).to eq(
+        '{"uploader":{"file_size_limit":100,"upload_limit":50}}'
+      )
+    end
   end
 
   describe "#preview_sources" do