zod

Validate data against Zod schemas with safeParse and parseAsync.

4|Updated Apr 12, 2024

Search Tags:#typescript #validation #schema #zod #parsing #type-safety #error-handling

Ready to run

npx skills add https://github.com/figueroaignacio/ui --skill zod-figueroaignacio

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: zod
Source: https://github.com/figueroaignacio/ui/tree/main/.agents/skills/zod
Command: npx skills add https://github.com/figueroaignacio/ui --skill zod-figueroaignacio

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) and assets (resource) components.

What problem does it solve?

Comprehensive guidance that helps developers adopt Zod safely and efficiently, reducing runtime validation bugs by codifying best practices for schema design, parsing strategies, typing with z.infer, error handling, and performance.

Core Features & Use Cases

Clear guidance on primitive selection, string validations, enums, and avoiding z.any for robust type safety.
Techniques for parsing (safeParse vs parseAsync), error reporting (path-based and i18n-ready), and discriminated unions for reliable type narrowing.
Patterns for composition, partial updates, pick/omit variants, and performance optimizations (caching, lazy loading, and Zod Mini considerations).

Quick Start

Prompt your AI to validate a sample payload against a Zod schema and report all issues found.

Frequently Asked Questions about zod

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

FAQPage Schema

How do I validate data against a Zod schema and report all issues found?▼

To validate data against a Zod schema, use safeParse for synchronous parsing and parseAsync for async refinements, which returns structured error handling with paths and flatten outputs for comprehensive issue reporting.

What is the best way to ensure type-safe schema composition in Zod?▼

The best way to ensure type-safe schema composition in Zod is to use z.infer for type derivation, discriminated unions for reliable type narrowing, and pick/omit variants for partial updates, avoiding z.any.

When do I need to use parseAsync instead of safeParse for TypeScript validation?▼

You need to use parseAsync instead of safeParse for TypeScript validation when your schema includes asynchronous refinements, ensuring async operations are properly resolved during the parsing strategy.

Does Zod support internationalization (i18n) for error reporting?▼

Yes, Zod supports internationalization for error reporting by providing path-based and i18n-ready error handling outputs, allowing you to map validation errors to localized messages across frontend and backend validation.

What are the performance optimizations for parsing large Zod schemas?▼

Performance optimizations for parsing large Zod schemas include schema caching, lazy loading techniques, and considering Zod Mini to reduce runtime overhead during type-safe validation and parsing.

Why should I avoid z.any in Zod schema design?▼

You should avoid z.any in Zod schema design because it breaks type safety, preventing the compiler from catching runtime validation bugs and undermining robust error handling and reliable type narrowing.