Babel-jest, a Jest plugin facilitating Babel transformation, saw a subtle update moving from version 27.0.1 to 27.0.2. Both versions maintain the same core functionality, providing a seamless way to leverage Babel's capabilities within the Jest testing environment. Developers relying on Babel for advanced JavaScript features like JSX, TypeScript, or experimental syntax can continue to use babel-jest to ensure their code is properly transformed before being tested.
Key dependencies like chalk, slash, graceful-fs, and babel-plugin-istanbul remain consistent between the two versions, suggesting that the core logic and tooling haven't undergone major changes. The peer dependency @babel/core also remains at "^7.8.0", indicating compatibility with existing Babel configurations.
The discernible changes lie primarily within the dependencies related to the Jest ecosystem itself. @jest/types and @jest/transform were updated in version 27.0.2 to match the version number reflecting an alignment with the latest Jest core components. Similarly, @jest/test-utils also saw a version bump to 27.0.2 in the devDependencies. These updates likely include bug fixes, performance improvements, or new features within the Jest testing framework that babel-jest now leverages. Developers should consult the Jest release notes for a comprehensive understanding of the improvements brought by these updated dependencies.
The are not vulnerabilities for the version 27.0.2 of the package babel-jest