Category
Reactフォーム実装ガイド（React Hook Form / Zod / shadcn-ui / Server Actions）
フォームは「状態・検証・アクセシビリティ」が合流する設計対象です。本クラスタは、React Hook Form を軸に、Zodによる型・検証・文言の単一化（DRY）、非制御×購読の隔離による再レンダリング最小化、shadcn/uiでのアクセシブルなフォーム部品設計、Next.js Server Actions（useActionState）でのクライアント／サーバー二重検証とプログレッシブ・エンハンスメント、useFieldArrayでの請求明細・複数ステップウィザード、そしてFormik/TanStack Formとの選定・移行までを扱います。経済産業大臣賞を受賞したB2B SaaSの基幹業務フォーム（明細・承認・設定画面）を本番運用した知見を根拠に、型安全・a11y・二重送信防止・テスト容易性を担保した本番品質のフォーム設計を、公式ドキュメントに忠実な実コードで体系化します。
6 articles in total
Foundational guide
Foundational guide (start here)
The Complete React Hook Form Guide [2026 Latest, v7.80] — Type-Safe Forms, Re-Render Design, a11y, Dynamic Fields, Server Actions, Testing
Using the latest official docs (React Hook Form v7.80 / @hookform/resolvers v5 / Zod 4) as the primary source, type-safe form design explained at production quality. zodResolver integration, formState's Proxy subscription, re-render design with watch / useWatch / useFormState, FormProvider and type-safe reusable fields, useFieldArray's dynamic line items, async defaultValues, a11y, double validation with Server Actions, and testing — so you can judge 'when and how to use' with real code.
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