TypeScript

Strict typing with compile-time correctness. Avoid any, leverage generics/utility types.

When to Use

Use when:

• Writing or refactoring .ts/.tsx files
• Adding type definitions, interfaces, or type aliases
• Working with generics, utility types, or advanced type features
• Configuring tsconfig.json
• Resolving type errors or improving type inference

Don't use for:

• Runtime validation (form-validation)
• JS-only patterns (javascript skill)
• Framework typing (react, mui skills)