| Name | Lines of code | Maintainability | Test coverage |
| src/Pug/Filter/Escaped.php | 10 | A 0 mins | A 100% |
| src/Pug/Filter/FilterInterface.php | 8 | A 0 mins | F 0% |
| src/Pug/Filter/Javascript.php | 10 | A 0 mins | A 100% |
| src/Pug/Filter/Php.php | 10 | A 0 mins | A 100% |
| src/Pug/Filter/Pre.php | 11 | A 0 mins | A 100% |
| src/Pug/Filter/Script.php | 7 | A 0 mins | F 0% |
| src/Pug/Filter/WrapTagTrait.php | 14 | A 0 mins | A 100% |
| src/Pug/FilterInterface.php | 6 | A 0 mins | F 0% |
| src/Pug/Lexer.php | 5 | A 0 mins | F 0% |
| src/Pug/Optimizer.php | 7 | A 0 mins | F 0% |
| src/Pug/Parser.php | 5 | A 0 mins | F 0% |
| src/Pug/Pug.php | 60 | A 0 mins | A 100% |