| Name | Lines of code | Maintainability | Test coverage |
| lib/draper/automatic_delegation.rb | 34 | A 0 mins | A 100% |
| lib/draper/view_context/build_strategy.rb | 43 | A 0 mins | A 100% |
| lib/draper/view_context.rb | 43 | A 0 mins | A 96% |
| lib/draper/decoratable.rb | 49 | A 25 mins | A 100% |
| lib/draper/railtie.rb | 50 | A 0 mins | |
| lib/draper/factory.rb | 57 | A 0 mins | A 100% |
| lib/draper/collection_decorator.rb | 57 | A 0 mins | A 100% |
| lib/draper.rb | 62 | A 0 mins | A 92% |
| lib/draper/decorator.rb | 133 | A 3 hrs | A 100% |