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
// tsconfig.json
{
"compilerOptions": {
"strict": true,
"noUncheckedIndexedAccess": true,
"exactOptionalPropertyTypes": true,
"noImplicitReturns": true,
"noFallthroughCasesInSwitch": true,
"moduleResolution": "bundler",
"esModuleInterop": true,
"skipLibCheck": true
}
}Utility Types
// 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