Babel-jest is a crucial tool for JavaScript developers using Jest, enabling seamless transformation of code with Babel for testing purposes. Comparing versions 30.1.1 and 30.1.0 reveals subtle but important updates. Both versions share core dependencies like chalk, slash, graceful-fs, babel-preset-jest, @types/babel__core, and babel-plugin-istanbul, ensuring consistent handling of console styling, path manipulation, file system operations, and code instrumentation for coverage.
The key difference lies in the versions of @jest/transform and @jest/test-utils. Version 30.1.1 updates @jest/transform and @jest/test-utils to 30.1.1, aligning them with the latest Jest ecosystem components. This likely includes bug fixes, performance improvements, or new features within those specific Jest modules. While the core functionality remains the same, developers upgrading to 30.1.1 benefit from these enhancements and ensure compatibility with the newest features of the Jest testing framework. Both versions maintain the same peer dependency on @babel/core (version 7.11.0 or later), indicating a stable API compatibility with Babel. The releaseDate is different, and that is to be expected, which indicates that there was a small update.
For developers, choosing between the two primarily depends on the specific needs of their project. If a project is already deeply integrated with the 30.1.0 version and no issues exist, upgrading isn't strictly necessary. However, if leveraging the absolute latest Jest features and performance gains is a priority, or if encountering issues potentially resolved by newer @jest/transform or @jest/test-utils versions, then upgrading to 30.1.1 is recommended. Package size and file count remain identical so the benefit from upgrading comes only from the updated dependencies, which translate in better code, more up-to-date features and bug fixes included.
The are not vulnerabilities for the version 30.1.1 of the package babel-jest