Expect version 26.5.2 is a minor update to the popular assertion library primarily used with Jest. Both versions, 26.5.2 and 26.5.0, export the core expect function, essential for writing clean and expressive unit tests. The functionality remains consistent, allowing developers to confidently verify expected outcomes in their JavaScript code using Jest's comprehensive matcher ecosystem. The documentation remains accessible on the Jest website, ensuring a smooth developer experience.
Key improvements lie in the updated dependencies. Version 26.5.2 features @jest/types bumped from 26.5.0 to ^26.5.2, jest-message-util from 26.5.0 to 26.5.2, and jest-matcher-utils also from 26.5.0 to 26.5.2. These internal dependency upgrades likely contain bug fixes, performance improvements, and refined type definitions within the Jest ecosystem, contributing to a more stable and reliable testing environment. While the core API remains the same, developers benefit from these under-the-hood enhancements.
Developers should upgrade from 26.5.0 to 26.5.2 to leverage these improvements and maintain compatibility with the latest Jest features. The update promises better stability within expect's assertion functionalities without introducing breaking changes. Both versions maintain the same set of dev dependencies, including chalk, immutable, fast-check, and @jest/test-utils.
The are not vulnerabilities for the version 26.5.2 of the package expect