Jest Environment JSDOM version 29.0.2 is a minor update to the popular Jest testing environment, building upon the previous version 29.0.1. Both versions rely on JSDOM for simulating a browser-like environment within Node.js, making it suitable for testing front-end JavaScript code without launching a real browser. Key dependencies like jsdom (version ^20.0.0), jest-mock, jest-util, @jest/types, @types/node, @types/jsdom, @jest/environment, and @jest/fake-timers persist across both releases. From a developer perspective the core functionalities for mocking, utility functions, type definitions, Node.js environment support, and JSDOM and fake timers management for testing remain consistent.
The primary difference between the versions lies in their internal dependency versions, specifically the bump from version 29.0.1 to 29.0.2 for jest-mock, jest-util, @jest/types, @jest/environment, @jest/fake-timers and @jest/test-utils. These changes, while seemingly small from a high-level perspective, likely address bug fixes, performance improvements, or compatibility enhancements within the Jest ecosystem. Developers should upgrade to 29.0.2 to benefit from these refinements and ensure they're using the most stable and up-to-date version of the environment. While the unpackedSize and fileCount remain identical, the releaseDate of 2022-09-03 indicates a relatively recent update, suggesting active maintenance and improvements within the Jest Project. This shows that the package has been updated recently and is actively mantained and developers should value this.
The are not vulnerabilities for the version 29.0.2 of the package jest-environment-jsdom