typescript-pro

Implement branded types, advanced generics, and type guards for TypeScript tRPC APIs.

Updated May 14, 2026
One-click install
npx skills add https://github.com/nkseth/copilot-dev-skills --skill typescript-pro-nkseth
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: typescript-pro
Source: https://github.com/nkseth/copilot-dev-skills/tree/main/skills/typescript-pro
Command: npx skills add https://github.com/nkseth/copilot-dev-skills --skill typescript-pro-nkseth

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Implements end-to-end type safety in TypeScript applications by enabling branded types, advanced generics, and robust type guards across complex codebases.

Core Features & Use Cases

  • Advanced generics, conditional types, and mapped types to design flexible, type-safe APIs.
  • Branded types and type guards to prevent value misuse and strengthen cross-module safety.
  • tRPC integration for end-to-end type-safe APIs in monorepos and distributed client-server architectures.
  • Use Case: Build a strongly-typed data model and API surface that catches type mismatches at compile time.

Quick Start

Generate a minimal TypeScript module demonstrating branded types, an advanced generic utility, and a tRPC-based API surface.

Frequently Asked Questions about typescript-pro

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

FAQPage Schema
How do I ensure end-to-end type safety across tRPC client and server boundaries?

Ensure end-to-end type safety across tRPC boundaries by applying branded types, advanced generics, and runtime type guards to enforce strict type matching and prevent value misuse between distributed client-server architectures.

What is the best way to prevent value misuse in complex TypeScript monorepos?

Prevent value misuse in TypeScript monorepos by implementing branded types and robust type guards, which catch type mismatches at compile time and strengthen cross-module safety across complex codebases.

How do I use advanced generics and conditional types to design flexible TypeScript APIs?

Design flexible TypeScript APIs using advanced generics, conditional types, and mapped types to build strongly-typed data models and type-safe API surfaces that satisfy strict type-first design requirements.

Does this approach support automatic declaration generation and project references?

Yes, this approach supports automatic declaration generation and TypeScript project references, satisfying requirements for strict type-first API design and discriminated unions within monorepo projects.

When do I need branded types and discriminated unions in a TypeScript application?

You need branded types and discriminated unions when designing type-safe APIs that require complex type relationships and runtime safety checks to catch type mismatches at compile time across distributed architectures.