@typescript-eslint/parser version 4.9.0 introduces subtle but impactful changes compared to the previous stable version, 4.8.2. Both versions serve as ESLint custom parsers, leveraging TypeScript ESTree to enable linting and analysis of TypeScript codebases. While the fundamental description remains consistent, diving into the dependencies reveals the core differences. Each version aligns its internal dependencies, such as @typescript-eslint/types, @typescript-eslint/scope-manager, and @typescript-eslint/typescript-estree, to its own version number, ensuring internal consistency and compatibility.
Developers upgrading to 4.9.0 will primarily benefit from the incremental improvements and bug fixes delivered through updates in these aligned internal packages. This translates to enhanced accuracy in parsing and AST generation, leading to more reliable and precise linting results. While the devDependencies including testing utilities and the peer dependency requirements for eslint remain unchanged, the key benefit lies in the improved stability and correctness delivered from the updated core parsing components. The unpacked size of version 4.9.0 is slightly larger by roughly 175 bytes hinting at the enhancements. The ReleaseDate indicates a more recent update, 2020-11-30, promising recent fixes. The upgrade to 4.9.0 is recommended for developers seeking the most up-to-date and accurate TypeScript ESLint parsing experience.
The are not vulnerabilities for the version 4.9.0 of the package @typescript-eslint/parser