Eslint-rule-composer helps in creating and testing complex ESLint rules by composing simpler, reusable rules. It allows developers to easily combine and modify existing rules, enhancing code quality without redundant logic. This tool simplifies rule creation, encouraging modularity and maintainability in ESLint configurations. The package aids in writing more effective and targeted linting rules. It focuses on the "rule" part of ESLint rules and offers no utilities related to configuration.
The npm package eslint-rule-composer saw initial releases in September 2017 (0.1.0) and March-April 2018 (0.1.1, 0.2.0, 0.3.0). Since May 2018, there have been no further releases, indicating a period of inactivity or potential deprecation as of August 18, 2025.
Eslint-rule-composer downloads peaked in mid-2024, reaching over 15 million in July 2024. A decline can be observed through 2025, with fluctuating numbers around 12-13 million. August 2025 downloads are incomplete and significantly lower, showing a partial month's data.