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Provides the complete migration pattern for React legacy context API (contextTypes, childContextTypes, getChildContext) to the modern createContext API. Use this skill whenever mig
Use this skill whenever the user wants to build scroll animations, scroll effects, parallax, scroll-triggered reveals, pinned sections, horizontal scroll, text animations, or any m
Use documented class-component patterns to replace string refs and this.refs accesses with React.createRef().
React 18.3.1 and React 19 dependency compatibility matrix.
Rewrite Enzyme tests as React Testing Library behavior tests for a React 18 upgrade, with query priorities, provider wrapping and API mapping references.
Scaffold ui or features components under src/components with TypeScript, SCSS and Storybook files following the Container/Presentation pattern.
Find React upgrade audit patterns for deprecated APIs, lifecycle methods, batching, tests and dependency conflicts before React 18.3.1 or React 19 migration.
Scaffold a Power Apps Code App with PAC CLI initialization, SDK integration and connector configuration.
Review Jest test structure, mocking strategies and common JavaScript/TypeScript testing patterns.
Apply Vercel guidance to React and Next.js code, prioritizing request waterfalls, bundle size, rendering and data-fetching patterns.