typescript-utility-types

Installation
SKILL.md

TypeScript Utility Types

Master TypeScript's powerful type system including built-in utility types, mapped types, conditional types, and advanced type manipulation techniques for creating flexible, type-safe code.

Built-in Utility Types

Partial and Required

interface User {
  id: string;
  name: string;
  email: string;
  age: number;
}

// Partial makes all properties optional
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36
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152
First Seen
Jan 24, 2026