TypeScript 5.2: New Features and Improvements

2023/08/24

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The article announces the release of TypeScript 5.2, a language that enhances JavaScript by providing type declarations. TypeScript's editor tooling, such as auto-completion and code navigation, is also highlighted. The article provides instructions on how to install TypeScript using npm or NuGet. It then lists the new features in TypeScript 5.2, including 'using' declarations, decorator metadata, named and anonymous tuple elements, easier method usage for unions of arrays, copying array methods, symbols as WeakMap and WeakSet keys, type-only import paths, comma completions for object members, inline variable refactoring, clickable inlay parameter hints, optimized checks for ongoing type compatibility, and breaking changes and correctness fixes. The article also mentions the additions made since the beta and RC versions of TypeScript 5.2. This article is relevant for developers who want to stay updated on the latest features and improvements in TypeScript.