rubocop

RuboCop is a popular command-line tool in the Ruby programming language that performs static code analysis and enforces coding style guidelines. It helps developers write clean, readable, and maintainable code by detecting and correcting common style issues and potential errors. RuboCop provides a comprehensive set of predefined rules based on the community-driven Ruby Style Guide, but it can also be customized to match specific project requirements. It checks for indentation, variable and method naming conventions, code complexity, code duplication, and many other aspects of code quality. The tool also flags potential security vulnerabilities and helps prevent common programming mistakes by highlighting potential issues like unused variables and missing parentheses. RuboCop supports a wide range of configuration options, allowing developers to enable or disable specific rules, adjust severity levels, and customize the overall behavior of the tool. It integrates with popular editors and IDEs, making it easy for developers to get real-time feedback on their code while they write it. RuboCop is highly extensible and allows developers to create their own custom rules and formatters, enabling teams to enforce project-specific guidelines or industry best practices. The tool has an active open-source community around it, which means that it receives regular updates, bug fixes, and new features. Overall, RuboCop is a powerful utility that helps Ruby developers maintain consistent code style and raise the overall quality of their codebases.