Code Testing and Analysis

I need an existing GitHub project tested using tools like SonarQube, ESLint, Checkstyle, and Pylint. The project should have a minimum of 1000 lines of code.

Requirements:
- Use one of the following tools: SonarQube, ESLint, Checkstyle.
- Focus on code complexity, maintainability index, code duplication, and violations.

Ideal Skills:
- Proficiency in JavaScript, Python, or Java.
- Experience with static code analysis tools.
- Strong understanding of code quality metrics and maintainability.