ESLint

ESLint is a powerful open-source tool for statically analyzing your JavaScript and JSX code to quickly find and fix problems. It integrates seamlessly into most text editors and continuous integration pipelines, helping you maintain code quality throughout the development process. Its core strengths lie in its flexibility and automation capabilities.

Key features include:

• Find Issues Early: Statically analyzes your code to catch common problems before they reach production.
• Fix Automatically: Many issues can be fixed automatically with syntax-aware corrections, avoiding errors introduced by traditional find-and-replace algorithms.
• Completely Configurable: Preprocess code, use custom parsers, and write your own rules that work alongside ESLint's built-in rules. You can tailor it to work exactly the way you need for your project.