Typescript 4.2 Released, Improves Types and Developer Experience

The TypeScript team announced the release of TypeScript 4.2, which features more flexible type annotations, stricter checks, extra configuration options, and a few breaking changes. Tuple types now allow rest arguments in any position (instead of only …


This content originally appeared on InfoQ - JavaScript and was authored by Bruno Couriol

The TypeScript team announced the release of TypeScript 4.2, which features more flexible type annotations, stricter checks, extra configuration options, and a few breaking changes. Tuple types now allow rest arguments in any position (instead of only in last position). Type aliases are no longer expanded in type error messages, providing a better developer experience.

By Bruno Couriol


This content originally appeared on InfoQ - JavaScript and was authored by Bruno Couriol


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