A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain your code quality with ease.

ESLint's platform is a popular linting tool for JavaScript, offering insights into code quality, code style conventions, and static code analysis. Through documentation, tutorials, and configuration guides, ESLint offers insights into identifying and fixing common errors and code smells in JavaScript codebases. Developers can learn about ESLint rules, plugins, and integrations to maintain clean and consistent code across projects.

ESLint

ESLint v10.0.0-rc.0 introduces enhancements to RuleTester including a new requireData assertion option that enforces data objects for messages with placeholders, improved stack trace location reporting for failing tests, and a countThis option in the max-params rule for TypeScript this annotations. This release candidate is available for community feedback before the final version and includes breaking changes detailed in a migration guide.

ESLint v10.0.0-rc.0 released