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React component development with shadcn/ui, React Hook Form, and Zod. Use when creating, extracting, or auditing React UI components.
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インストールを決める前に、SKILL.md と SkillsMP に表示されている付属ファイルをお読みください。
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
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npx skills add https://github.com/acampb/tripletownaces.com --skill react-uiコマンドは1行のまま表示されます。コピー前に横へスクロールして全体を確認してください。
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Multi-phase audit pipeline with independent review agents. Use when finishing tickets, validating work against acceptance criteria, checking architecture compliance, or reviewing code against skill standards. Use /audit to run the full pipeline, /audit ac for acceptance criteria only, /audit arch for architecture only, /audit skill for skill compliance only.
Prepare code for commit by checking for bugs, ensuring consistency, removing debug code, and running checks until green. Use when finishing a feature, before committing, or when asked to "make it green" or "prep for commit".
JS/TS monorepo with pnpm workspaces and Turborepo. Use when setting up a monorepo, adding packages, or auditing config.
SKILL.md を表示中
SOC 職業分類に基づく
| name | react-ui |
| description | React component development with shadcn/ui, React Hook Form, and Zod. Use when creating, extracting, or auditing React UI components. |
Create and maintain React components with shadcn/ui, React Hook Form + Zod forms, theme variables, and shared component patterns.
| Command | Purpose | Modifies Code? |
|---|---|---|
/react-ui create | Create new reusable components | Yes (approval) |
/react-ui extract | Move types/components to shared packages | Yes (approval) |
/react-ui componentize | Break down large components (SRP) | Yes (approval) |
/react-ui patterns | Apply project conventions (sheets, forms) | Yes (approval) |
/react-ui modernize | Upgrade to latest shadcn UX patterns | Yes (approval) |
/react-ui review | Quality audit - report issues, no changes | No |
All sub-commands ask before making changes.
packages/ui/src/components/ in monorepos, components/ in standalone projects (if exists)packages/ui/src/globals.css in monorepos, or in standalone (if exists)src/globals.cssapp/globals.cssNever use raw Tailwind colors. Always use theme variables from globals.css:
// NEVER - raw Tailwind colors
className = 'text-green-500 bg-green-50 border-green-500/50'
// ALWAYS - theme variables
className = 'text-success bg-success-muted border-success/20'
Common theme colors (define in your globals.css):
primary, secondary, muted, accentsuccess, warning, destructive, info (each with -foreground and -muted variants)border, input, ring, background, foregroundcard, popover (each with -foreground)Color format: shadcn/ui uses OKLCH (newer projects) or HSL (older projects). Either works — the critical rule is semantic variable names, not the underlying format. Tailwind v4 projects use @theme in CSS instead of tailwind.config.js.
No globals.css yet? Read references/patterns-guide.md#globalscss-template for a complete Tailwind v4 template with OKLCH variables.
Before creating anything new, check existing components (packages/ui/src/components/ in monorepos, components/ in standalone). Common pattern types:
Sheets: Action sheets (form submissions with footer buttons) vs Settings sheets (configuration with inline actions).
Forms: Complete field components (TextField, SelectField, etc.) with label, description, and validation built in.
Layout: Section + SectionHeader for grouping, PageHeader for page titles, KPICard for metrics, EmptyState for placeholders, DangerZone for destructive actions.
Read references/patterns-guide.md for pattern recipes.
Build complete field components in your shared UI package (composing shadcn Field primitives internally). App code consumes the complete fields — never assembles primitives:
// CORRECT - Complete field (app code)
<PercentField label="Discount" description="Enter 0-100%" value={value} onChange={setValue} required />
// WRONG - Assembling primitives at page level
<Field>
<FieldLabel>Discount</FieldLabel>
<PercentInput value={value} onChange={setValue} />
</Field>
shadcn provides composable Field, FieldLabel, FieldDescription, and FieldError primitives. Use these inside your shared library when building complete fields — don't expose them to app code.
Never use useState per form field:
// ALWAYS - React Hook Form + Zod
const schema = z.object({
name: z.string().min(1, 'Name is required'),
email: z.string().email('Invalid email')
})
const form = useForm<z.infer<typeof schema>>({
resolver: zodResolver(schema),
defaultValues: { name: '', email: '' }
})
// NEVER - useState per field
const [name, setName] = useState('')
Use shared schemas from your contracts package when available. Local schemas only for purely UI validations.
Watch values reactively with useWatch when UI needs to react to form field changes.
Zod v4 note: If using Zod v4+, use error instead of message in refinements, .extend() instead of .merge(), and z.file() for file uploads.
All sub-commands (except review) must: analyze code, present plan, wait for approval.
Use size-4 class. Button handles gap spacing, so mr-2 is unnecessary:
// CORRECT
<Button><PlusIcon className="size-4" />Create</Button>
// WRONG
<Button><PlusIcon className="mr-2 h-4 w-4" />Create</Button>
Content components should use fragments, not wrapper divs - the shell provides space-y-6.
When sharing components across multiple apps, verify all consuming apps define the required CSS variables.
Detail pages need full treatment: icon + title + description + actions. Primary CTA uses default variant (solid), secondary uses variant="outline".
Use Section and SectionHeader for semantic grouping instead of raw divs with manual styling.
When DataTable columns reference callbacks, you MUST wrap callbacks in useCallback and columns in useMemo. Without this, columns recreate every render causing performance issues.
React Compiler: If the project uses React Compiler, manual memoization is handled automatically and this rule can be relaxed.
Table vs DataTable: Use DataTable for data management (sorting, filtering, pagination). Use raw Table for static summary displays (max ~5 items).
All form fields must connect errors to inputs via aria-invalid and aria-describedby. On submit failure, call form.setFocus() on the first errored field. Dynamic error messages need aria-live="polite". Custom interactive components must support keyboard navigation. Theme variable colors must meet WCAG contrast requirements.
Never recreate shadcn components manually. Always install via CLI:
# Monorepo — install to shared UI package
pnpm dlx shadcn@latest add {component} --cwd packages/ui
# Standalone project
pnpm dlx shadcn@latest add {component}
pnpm dlx, never npx — pnpm monorepos require pnpm dlx for correct resolution--cwd packages/ui in monorepos — primitives belong in the shared packagepnpm-workspace.yaml)components.json, directory setup), Read the js-monorepo skill's shadcn-setup.mdRead references/component-design.md for full guidance on:
'use client' rules)/react-ui reviewQuality audit without code changes. Lists issues and suggests which sub-commands to run.
THEME COMPLIANCE
[ ] No raw Tailwind colors
[ ] Uses theme variables
[ ] Dark mode compatible
PATTERN USAGE
[ ] Sheets use project patterns
[ ] Forms use React Hook Form + Zod
[ ] Errors use proper components
[ ] Fields use complete field components
SOLID PRINCIPLES
[ ] Single Responsibility per component
[ ] Components < 150 lines render
[ ] Focused props interface
EXTRACTION CANDIDATES
[ ] Types for shared contracts
[ ] Components reusable across apps
[ ] Schemas that could be shared
ACCESSIBILITY
[ ] Form errors use aria-invalid + aria-describedby
[ ] Submit failure focuses first error field
[ ] Dynamic messages use aria-live="polite"
[ ] Custom components support keyboard navigation
REACT BEST PRACTICES
[ ] No useEffect for data fetching
[ ] Proper key props on lists
[ ] Memoization where appropriate
[ ] Skeleton returned instead of null
| Pattern Found | Should Be | Severity |
|---|---|---|
| Assembling field primitives manually | Complete field component | Critical |
| Raw error alert markup | Form error component | Critical |
Mutation onSuccess without toast | Add toast notification | Critical |
Mutation onError without inline error display | form.setError or setState | Critical |
| Raw Tailwind color + opacity | Theme variable | Critical |
| Raw div danger zone markup | DangerZone component | Warning |
| DataTable columns with callbacks, no useMemo | Wrap in useMemo | Warning |
| Form field missing aria-invalid/aria-describedby | Connect error state to input | Warning |
| Missing 'use client' on component using hooks | Add directive | Critical |
Unnecessary fragment <><Single /></> | Return element directly | Info |
Before completing any sub-command:
/nextjs-data - SSR hydration, React Query, data fetching patterns. Use for page creation, query layers, and server/client data flow./js-monorepo - Monorepo infrastructure (pnpm, Turborepo, shared packages). Use when setting up the repo or adding shared packages.