typescript-advanced-types

Teach advanced TypeScript types for modeling complex type relationships.

1|Updated Mar 20, 2026
One-click install
npx skills add https://github.com/Thomashighbaugh/opencode --skill typescript-advanced-types-thomashighbaugh
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: typescript-advanced-types
Source: https://github.com/Thomashighbaugh/opencode/tree/main/skills/typescript-advanced-types
Command: npx skills add https://github.com/Thomashighbaugh/opencode --skill typescript-advanced-types-thomashighbaugh

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Many TypeScript projects struggle to express complex relationships, enforce compile-time guarantees, and create reusable, type-safe abstractions; this skill resolves those issues by teaching patterns and utilities that make types expressive, maintainable, and performant.

Core Features & Use Cases

  • Comprehensive Patterns: Detailed guidance on generics, conditional types, mapped types, template literal types, and utility types to model complex data and APIs.
  • Practical Recipes: Real-world patterns such as typed event emitters, type-safe API clients, builders, deep partial/readonly utilities, and form validation strategies.
  • Type Safety Workflows: Techniques for inference, guards, assertion functions, branded types, StrictOmit, and performance considerations to avoid slow or ambiguous types.
  • Use Case Example: Design a type-safe API client where each endpoint maps to exact params, request body, and response shapes so callers get compile-time guarantees and IDE autocompletion.

Quick Start

Ask the assistant to design TypeScript types and example implementations for a type-safe API client that maps endpoints to request params, body, and response types.

Frequently Asked Questions about typescript-advanced-types

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

FAQPage Schema
How do I create a type-safe API client in TypeScript that maps endpoints to exact request and response shapes?

A type-safe API client uses generics and conditional types to map endpoints to exact params, request body, and response shapes. This modeling provides compile-time guarantees and IDE autocompletion for callers.

What are TypeScript mapped types and conditional types used for?

TypeScript mapped types and conditional types model complex data and APIs by transforming existing types. They enable expressive, maintainable, and reusable abstractions for enforcing compile-time guarantees.

How do I build typed event emitters and type-safe builders in TypeScript?

Build typed event emitters and type-safe builders in TypeScript using inference techniques and utility types. These patterns enforce strict type relationships and compile-time validation for complex object construction.

Can I use template literal types and type inference for form validation in TypeScript?

Template literal types and type inference can be used for form validation in TypeScript. They enable type safety workflows that enforce strict validation logic and compile-time guarantees for user inputs.

What are the performance considerations when using advanced TypeScript types?

Performance considerations for advanced TypeScript types involve avoiding slow or ambiguous types. Guidance includes using proper inference techniques, guards, and assertion functions to maintain compiler performance.

When should I not use complex TypeScript generics and utility types?

Avoid complex TypeScript generics and utility types when they create slow, ambiguous types or reduce maintainability. Type testing strategies and performance guidance help identify when simpler type abstractions are better.