@babel/preset-typescript is a Babel preset designed to seamlessly integrate TypeScript compilation into your JavaScript build process, allowing you to leverage the latest JavaScript features while enjoying the type safety and tooling benefits of TypeScript. Version 7.9.0 introduces updates to its core dependencies, most notably @babel/plugin-transform-typescript which moves from version 7.8.3 to 7.9.0. This ensures compatibility with the corresponding version of @babel/core and leverages any TypeScript-specific transformation improvements or bug fixes included within that Babel plugin release.
For developers, the upgrade from 7.8.3 to 7.9.0 signifies a potentially smoother TypeScript experience, particularly if you are also upgrading your core Babel dependencies. Ensure that when upgrading, you also align your @babel/core version, as indicated in the peerDependencies to avoid potential conflicts. The increased unpacked size, though minimal, might indicate added functionality or refined code within the plugin or preset. The updated 'releaseDate' suggests compatibility with recent TypeScript and Babel features released since January 2020. Always consult the official Babel changelog for detailed information of internal improvements for @babel/plugin-transform-typescript. Consider updating to 7.9.0 for incremental improvements and maintainability in your projects.
The are not vulnerabilities for the version 7.9.0 of the package @babel/preset-typescript