Some forms stay UI, while others quietly become rule engines. Here’s why these two different approaches exist and how to choose between them.

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A practical comparison of two approaches to building multi-step dynamic forms in React: the component-driven RHF + Zod + React Query stack versus a schema-driven approach using SurveyJS. Both approaches are used to build the same 4-step form with conditional visibility, derived calculations, and page-skipping logic. The component-driven approach scatters business logic across JSX branches, useWatch/useMemo chains, and superRefine blocks, while the schema-driven approach centralizes all rules in a JSON object. A decision framework is provided: use RHF for CRUD-oriented, UI-driven forms owned by engineers; use SurveyJS when forms encode business decisions that need to be auditable, versioned, or editable by non-engineers.

Building Dynamic Forms In React And Next.js — Smashing Magazine

Part 1: Component-Driven (React Hook Form + Zod)