Chapter 5: A Guided Tour of the Three Biggest Features in TypeScript 5.0

TypeScript, JavaScript’s more dependable cousin, keeps getting better and better. TypeScript 5.0 and its subsequent minor versions, 5.1 and 5.2, are brimming with powerful new features that promise to make our code cleaner, more powerful, and a lot easier to work with. As you can tell from the release notes, TypeScript 5.0 shipped with a ton of changes—both large and small.

I’m going to focus on three of the features that have had the biggest impact in my day-to-day development:

  • Decorators. TypeScript 5.0 supports decorators that align with the ECMAScript proposal, allowing the modification of class behavior in a reusable way. These have some important distinctions between ...

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