Skill: typescript

Scope

• Applies to: TypeScript v5+ advanced type system features, type-safe APIs, complex domain models, sophisticated type inference, compile-time guarantees
• Does NOT cover: Basic TypeScript syntax, framework-specific patterns, runtime validation libraries (use Zod separately)

Assumptions

• TypeScript v5+
• Strict mode enabled ("strict": true in tsconfig.json)
• Target: ES2020+ or higher

Principles