Zod Best Practices

Comprehensive schema validation guide for Zod in TypeScript applications. Contains 43 rules across 8 categories, prioritized by impact to guide automated refactoring and code generation.

When to Apply

Reference these guidelines when:

• Writing new Zod schemas
• Choosing between parse() and safeParse()
• Implementing type inference with z.infer
• Handling validation errors for user feedback
• Composing complex object schemas
• Using refinements and transforms
• Optimizing bundle size and validation performance
• Reviewing Zod code for best practices

Rule Categories by Priority