TypeScript

Enforce explicit typing and safe inference in TypeScript projects.

Updated Aug 23, 2026
One-click install
npx skills add https://github.com/vibekit-apps/skills-registry --skill typescript-vibekit-apps
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: TypeScript
Source: https://github.com/vibekit-apps/skills-registry/tree/main/skills/typescript
Command: npx skills add https://github.com/vibekit-apps/skills-registry --skill typescript-vibekit-apps

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Developers often hit type-safety gaps in TypeScript: accidental any use, unsafe inferences, and tricky narrowing that lead to runtime bugs and hard-to-maintain code.

Core Features & Use Cases

  • Enforces explicit types to prevent leaks and ambiguous API boundaries.
  • Guides safe narrowing and discriminated unions to enable exhaustive checks.
  • Highlights common inference traps and provides concrete fixes for typical code patterns.
  • Use in code reviews, onboarding, and learning sessions across frontend and backend TypeScript projects.

Quick Start

Identify the top TypeScript type-safety issues in the provided code and suggest concrete fixes.

Frequently Asked Questions about TypeScript

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fix unsafe TypeScript inference and prevent accidental any types?

Fix unsafe TypeScript inference by enforcing explicit typing and strict null checks to prevent accidental any types and runtime bugs. This approach guides safe narrowing and highlights common inference traps with concrete fixes.

What is the best way to implement type narrowing with discriminated unions in TypeScript?

Type narrowing with discriminated unions enables exhaustive checks by guiding safe type narrowing patterns. This ensures robust type safety and prevents unhandled cases in your TypeScript code.

How do I enforce explicit types for ambiguous API boundaries in a frontend project?

Enforce explicit types for ambiguous API boundaries in frontend projects by applying strict typing rules to prevent type leaks. This provides practical guidance for safer API boundary definitions.

Does this TypeScript guidance apply to backend code reviews and onboarding?

Yes, this TypeScript guidance applies to backend code reviews and onboarding by addressing explicit typing and safe inference. It is designed for learning workflows across frontend and backend projects.

Why does my TypeScript code fail strict null checks during code reviews?

TypeScript code fails strict null checks when safe inference is not enforced, leading to type-safety gaps. Applying explicit typing and narrowing guidance addresses these tricky inference issues.

Can I use this to identify TypeScript type-safety issues in my existing code?

Yes, you can use this to identify the top TypeScript type-safety issues in your existing code and suggest concrete fixes. It highlights common inference traps to improve code maintenance.