React builder

Skill AtulPurohit/Antigravity-Awesome-Skills/plugins/frontend-architect/skills/react-builder

Installable GitHub library of 300+ professional agentic skills for Claude Code, Antigravity IDE, Gemini CLI, Cursor, and Copilot. Features a custom NPX installer, 9 stack-specific bundles, validation schemas, security auditing, and an interactive catalog explorer app.

Install

npx -y skills add AtulPurohit/Antigravity-Awesome-Skills --skill react-builder

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What its author says it does

Copied from the file, not written here

Build scalable React applications with proper component architecture, custom hooks, state management, and performance optimization.

SKILL.md

3.1 KB, 611 tokens by cl100k_base, as published. Nobody here has run it

React Application Builder

Purpose

Build production React applications with clean component architecture, reusable hooks, and optimal performance.

Project Structure

src/
├── components/
│   ├── ui/              # Reusable UI components (Button, Input, Modal)
│   └── features/        # Feature-specific components
├── hooks/               # Custom hooks
├── services/            # API calls
├── stores/              # State management (Zustand)
├── utils/               # Utilities
└── types/               # TypeScript types

Component Patterns

// Compound component pattern
const Select = ({ children, value, onChange }: SelectProps) => {
  return (
    <SelectContext.Provider value={{ value, onChange }}>
      <div className="select-container">{children}</div>
    </SelectContext.Provider>
  );
};

Select.Option = ({ value, children }: OptionProps) => {
  const { value: selected, onChange } = useSelectContext();
  return (
    <div
      role="option"
      aria-selected={selected === value}
      onClick={() => onChange(value)}
    >
      {children}
    </div>
  );
};

// Usage
<Select value={city} onChange={setCity}>
  <Select.Option value="nyc">New York</Select.Option>
  <Select.Option value="la">Los Angeles</Select.Option>
</Select>

Custom Hooks

// Data fetching hook with caching
function usePost(id: string) {
  const [state, setState] = useState<{
    data: Post | null;
    loading: boolean;
    error: Error | null;
  }>({ data: null, loading: true, error: null });

  useEffect(() => {
    const controller = new AbortController();
    
    api.getPost(id, controller.signal)
      .then(data => setState({ data, loading: false, error: null }))
      .catch(error => {
        if (!controller.signal.aborted) {
          setState({ data: null, loading: false, error });
        }
      });
    
    return () => controller.abort();
  }, [id]);

  return state;
}

Performance

// Memoization
const ExpensiveComponent = memo(({ data }: Props) => {
  const processed = useMemo(() => processData(data), [data]);
  const handleClick = useCallback(() => doSomething(data), [data]);
  return <div onClick={handleClick}>{processed}</div>;
});

// Lazy loading
const HeavyChart = lazy(() => import('./HeavyChart'));

<Suspense fallback={<ChartSkeleton />}>
  <HeavyChart data={data} />
</Suspense>

Outputs

Component library structure
Custom hooks for data fetching, forms, auth
State management setup (Zustand/React Query)
Performance optimization patterns
Testing setup with React Testing Library

What ships with it

Read from the repository

Just SKILL.md. No reference files, no scripts.