The @babel/plugin-transform-modules-commonjs package, crucial for converting ES2015 modules into the widely supported CommonJS format, has seen a significant update from version 7.26.3 to 7.27.1. This transformation allows developers to leverage modern JavaScript module syntax while ensuring compatibility with older environments and Node.js versions that primarily understand CommonJS.
The key differences lie in dependency updates. Version 7.27.1 boasts newer versions of its internal utilities, including @babel/helper-plugin-utils and @babel/helper-module-transforms, both updated to ^7.27.1. These helpers likely contain bug fixes, performance improvements and potentially new features that enhance the module transformation process. Correspondingly, @babel/core, @babel/plugin-external-helpers and @babel/helper-plugin-test-runner under devDependencies are also updated to ^7.27.1, ensuring that the testing and development environment aligns with the core plugin. Version 7.26.3 used older versions such as ^7.25.9 for the helper plugins and ^7.26.0 for @babel/core.
While the unpacked size is slightly smaller in the newer version, likely resulting from code optimization, the core functionality remains consistent: seamless conversion of ES modules to CommonJS. For developers, upgrading to 7.27.1 offers the benefit of benefiting all changes from the updated helper utilities and development tooling. The peer dependency on @babel/core remains at "^7.0.0-0", indicating compatibility with a broad range of Babel versions. The package is licensed under MIT, giving users freedom to integrate and modify it. The newer version was released in April 2025, while the older in December 2024, make sure to update to the most recent one if possible.
The are not vulnerabilities for the version 7.27.1 of the package @babel/plugin-transform-modules-commonjs