Babysitter typescript

TypeScript configuration, strict mode, generics, and type utilities.

install

source · Clone the upstream repo

git clone https://github.com/a5c-ai/babysitter

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/a5c-ai/babysitter "$T" && mkdir -p ~/.claude/skills && cp -r "$T/library/specializations/web-development/skills/typescript" ~/.claude/skills/a5c-ai-babysitter-typescript && rm -rf "$T"

manifest: library/specializations/web-development/skills/typescript/SKILL.md

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