TypeScript tutorialLesson 17Free preview

TS Utility Types

This lesson is part of TypeScript · All levels

Summary

Utility types are built-in TypeScript types that help manipulate existing types. Partial, Readonly, Pick, Omit, and Record accelerate data modeling without rewriting the definition. This util understanding reduces duplication of type in large projects.

Key points

Partial makes all properties optional
Pick the pick, omit the property
Record makes objects of keys and values

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