# Skill: typescript-advanced-types

> Master TypeScript's advanced type system including generics, conditional types, mapped types, template literals, and utility types for building type-safe applications. Use when implementing complex type logic, creating reusable type utilities, or ensuring compile-time type safety in TypeScript projects.

*Digest only: full text not redistributed here.*

## Outline
- When to Use This Skill
- Core Concepts
- 1. Generics
- 2. Conditional Types
- 3. Mapped Types
- 4. Template Literal Types
- 5. Utility Types
- Detailed worked examples and patterns
- Best Practices
- Type Testing
- Common Pitfalls
- Performance Considerations