Enzyme, a popular JavaScript testing utility for React, saw a release of version 3.1.0 following version 3.0.0, bringing subtle but potentially impactful changes for developers. Both versions maintain core functionality for simplifying React component testing, enabling developers to assert on output, simulate events, and traverse the component tree.
A key difference lies in the dependency updates. Notably, rst-selector-parser was bumped from version 2.2.1 to 2.2.2. While this might seem minor, updates to dependencies often include bug fixes, performance improvements, and enhanced security. Developers relying heavily on CSS selectors within their Enzyme tests should investigate the changes in rst-selector-parser for potential compatibility adjustments or leveraging new features. The other dependencies are the same in both versions.
Both versions share identical development dependencies, including babel-cli, eslint, in-publish, and rimraf, suggesting a consistent development workflow and tooling setup across these releases. Developers can expect a familiar experience when contributing to or extending Enzyme, irrespective of the specific version used.
For developers deciding between versions, the upgrade from 3.0.0 to 3.1.0 appears to be low-risk and potentially beneficial due to the dependency update. Examining the changelog of rst-selector-parser will provide the most actionable information for developers concerned about backward compatibility. When incorporating React testing with Enzyme, always refer to the official documentation for the recommended version.
The are not vulnerabilities for the version 3.1.0 of the package enzyme