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NalinDalal
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ask-rhf

Implements React Hook Form with Zod validation for performant TypeScript forms.

1|Updated Aug 17, 2026
Search Tags:#typescript#React#Zod#Next.js#server actions#form validation#react-hook-form
One-click install
npx skills add https://github.com/NalinDalal/skillset --skill ask-rhf-nalindalal
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ask-rhf
Source: https://github.com/NalinDalal/skillset/tree/main/skills/ui/ask-rhf
Command: npx skills add https://github.com/NalinDalal/skillset --skill ask-rhf-nalindalal

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires react-hook-form, @hookform/resolvers, zod.

What problem does it solve? Building forms in React often leads to excessive re-renders, scattered validation logic, and inconsistent error handling. This Skill provides a complete implementation guide for React Hook Form combined with Zod schemas, giving you a single source of truth for validation and typed form state. ## Core Features & Use Cases - Schema-Driven Validation: Define Zod schemas once and infer TypeScript types, with validation wired through zodResolver and onBlur mode. - Reusable Field Components: Build typed FormField components supporting inputs, textareas, selects, and checkboxes with accessible error messaging. - Advanced Patterns: Covers field arrays, conditional fields via watch, dirty tracking with leave warnings, file uploads with previews, and server action submission with toast feedback. - Use Case: You need a project creation form with validation, server action submission, and toast notifications. Follow the guide to wire the Zod schema, reusable fields, and error mapping from server responses. ## Quick Start Ask the agent to build a validated form with React Hook Form and Zod for your Next.js page, including server action submission and toast feedback.

Frequently Asked Questions about ask-rhf

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

FAQPage Schema
How do I validate React Hook Form with Zod?▼

Define a Zod schema for your form data, then pass zodResolver(schema) to useForm's resolver option. Infer the TypeScript type with z.infer and set mode to 'onBlur' to validate fields on blur rather than every change.

How to handle dynamic field arrays in React Hook Form?▼

Use the useFieldArray hook with your form control and array field name. It returns fields, append, remove, and move functions, letting you render dynamic rows with Controller components keyed by field.id.

Does React Hook Form work with Next.js server actions?▼

Yes. Call the server action inside your onSubmit handler, then map returned fieldErrors back onto the form using form.setError. Combine with toast notifications for loading, success, and error states during submission.

How do I show conditional fields based on form values?▼

Use the watch function from useForm to subscribe to a field's value, then conditionally render dependent fields in JSX. This keeps conditional sections in sync with form state without extra state management.

Why does my React form re-render on every keystroke?▼

React Hook Form avoids this by using uncontrolled inputs with refs by default. Set mode to 'onBlur' so validation runs on blur instead of onChange, and use Controller only for controlled components like selects.

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