TypeScript Skill
Expert assistance for TypeScript configuration and patterns.
Capabilities
- •Configure tsconfig
- •Implement strict typing
- •Create utility types
- •Handle generics
- •Design type-safe APIs
Configuration
json
// tsconfig.json
{
"compilerOptions": {
"strict": true,
"noUncheckedIndexedAccess": true,
"exactOptionalPropertyTypes": true,
"noImplicitReturns": true,
"noFallthroughCasesInSwitch": true,
"moduleResolution": "bundler",
"esModuleInterop": true,
"skipLibCheck": true
}
}
Utility Types
typescript
// Extract, Omit, Pick
type UserWithoutPassword = Omit<User, 'password'>;
// Conditional types
type NonNullable<T> = T extends null | undefined ? never : T;
// Mapped types
type Readonly<T> = { readonly [P in keyof T]: T[P] };
Target Processes
- •typescript-setup
- •type-safety
- •api-design