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typescript-strict

Design TypeScript type definitions with strict mode patterns and type guards.

92|14|Updated Jan 22, 2026
Search Tags:#typescript#interfaces#type-safety#generics#discriminated-unions#type-guards
One-click install
npx skills add https://github.com/AbianS/rustrak --skill typescript-strict-abians
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: typescript-strict
Source: https://github.com/AbianS/rustrak/tree/main/.claude/skills/typescript-strict
Command: npx skills add https://github.com/AbianS/rustrak --skill typescript-strict-abians

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps developers address TypeScript type-safety challenges by teaching robust typing patterns and safe design practices.

Core Features & Use Cases

  • Const-based types: derive runtime values and types from a single source of truth.
  • Flat interface design: keep interfaces shallow for maintainability.
  • Type guards and discriminated unions: enable safer runtime checks and variant handling.
  • Guidance on using TypeScript utility types in real-world projects.
  • Example scenarios include defining API client models, UI state, and data validation.

Quick Start

Start by reading the patterns for const-based types and interfaces, then apply the examples to your TypeScript project.

Frequently Asked Questions about typescript-strict

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

FAQPage Schema
How do I use TypeScript discriminated unions and type guards for safer runtime checks?▼

TypeScript const-based types derive runtime values and types from a single source of truth. This Skill demonstrates how to implement const assertions to eliminate code duplication and ensure type safety across your project.

What is the best way to design flat TypeScript interfaces for API models and UI state?▼

The best way to design flat TypeScript interfaces is to keep them shallow for maintainability. This Skill provides patterns for defining API client models and UI state using flat interface design to improve code scalability.

Can I use TypeScript utility types in strict mode for data validation?▼

Yes, you can use TypeScript utility types in strict mode for data validation. This Skill offers guidance on correctly applying utility types to enforce type safety and verify runtime data in TypeScript projects.

When do I need TypeScript type guards instead of standard type annotations?▼

You need TypeScript type guards when performing runtime checks that standard type annotations cannot enforce. This Skill teaches you how to implement type guards alongside discriminated unions to enable safer variant handling and runtime verification.

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