SMRTR ProgrammingMay 17, 2026LogRocket

TypeScript utility types you’re probably underusing

SMRTR summary

TypeScript's built-in utility types go far beyond Partial and Pick — tools like ReturnType, Awaited, Parameters, Extract, and NoInfer can eliminate type drift in real codebases. This guide covers when and how to use each one to keep types in sync with runtime code, prevent duplication, and let the compiler enforce invariants your team already depends on.

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