React Hook Form Dynamic Arrays

概要

This skill provides specialized guidance for managing complex forms that require dynamic lists of inputs, such as team rosters, invoice line items, or nested data structures. It focuses on the useFieldArray hook, offering implementation patterns for adding, removing, and reordering fields while maintaining strict type safety with Zod. By enforcing best practices like using unique field IDs instead of indices for React keys, it ensures high-performance rendering and prevents common UI state bugs in interactive forms.

主な機能

• Comprehensive Zod array validation including min/max constraints
• Optimized rendering guidance using unique field IDs for keys
• 0 GitHub stars
• Dynamic list management with append, prepend, insert, and move methods
• Nested field array patterns for complex hierarchical data
• Index-based error handling and validation messaging

ユースケース

• Building team management dashboards with dynamic member lists
• Creating e-commerce checkout forms with variable line items
• Developing multi-step survey builders with nested sections