Reek is a code smell detector for Ruby. Rather than concentrating on syntax errors or enforcing a particular formatting style, it examines classes, modules and methods for structural characteristics that can make code harder to understand, maintain or extend.
Its warnings are deliberately higher-level than those generated by many conventional linters. A reported smell is therefore something to investigate rather than necessarily a defect that can be fixed mechanically. This makes Reek particularly useful when reviewing design decisions or identifying areas of a codebase that may benefit from refactoring.
This is free and open source software.
Key Features
- Detects a broad range of code smells including Feature Envy, Data Clumps, Large Classes, Long Parameter Lists, Too Many Statements, Uncommunicative Names, unused parameters, and other maintainability issues.
- Accepts individual Ruby files, directories, the current working directory, or Ruby source supplied through standard input.
- Provides YAML-based configuration for enabling, disabling, and adjusting individual smell detectors.
- Supports source-code comments for suppressing selected warnings where a particular design choice is intentional.
- Can generate a todo configuration containing existing warnings, making it easier to introduce Reek gradually to established projects.
- Offers multiple output formats for use interactively or with other development and reporting tools.
- Works with Ruby on Rails projects and can be incorporated into automated code-quality workflows.
- Supports editor integrations and other development tools that surface Reek warnings while working on Ruby code.
- Runs on the principal Ruby implementations, including CRuby and JRuby.
Website: github.com/troessner/reek
Support:
Developer: Kevin Rutherford
License: MIT License
Reek is written in Ruby. Learn Ruby with our recommended free books and free tutorials.
Related Software
| Ruby Linters | |
|---|---|
| RuboCop | Ruby static code analyzer and formatter |
| Reek | Examines Ruby classes, modules, and methods |
| Standard Ruby | Provides an opinionated, unconfigurable ruleset |
| HAML-Lint | Ruby-based linter for HAML templates |
| Slim-Lint | Configurable tool for analyzing Slim templates |
| ERB Lint | Lint your ERB or HTML files |
| YARD-Lint | For Ruby and Ruby on Rails projects that lint YARD documentation |
| oxicop | Fast Ruby linter |
Read our verdict in the software roundup.
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