zod-validation-utilities
Zod Validation Utilities
Overview
Production-ready Zod v4 patterns for reusable, type-safe validation with minimal boilerplate. Focuses on modern APIs, predictable error handling, and form integration.
When to Use
- Defining request/response validation schemas in TypeScript services
- Parsing untrusted input from APIs, forms, env vars, or external systems
- Standardizing coercion, transforms, and cross-field validation
- Building reusable schema utilities across teams
- Integrating React Hook Form with Zod using
zodResolver
Instructions
- Start with strict object schemas and explicit field constraints
- Prefer modern Zod v4 APIs and the
erroroption for error messages - Use coercion at boundaries (
z.coerce.*) when input types are uncertain
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