react-modernization
Upgrade React applications to latest versions, migrate class components to hooks, and adopt concurrent features.
- Covers version upgrade paths (React 16→17→18) with breaking changes, class-to-hooks migration patterns, and concurrent features like Suspense, transitions, and automatic batching
- Includes ready-to-run codemods for automating unsafe lifecycle renames, import updates, and class-to-function conversions
- Demonstrates performance optimization techniques using useMemo, useCallback, code splitting, and React.memo
- Provides TypeScript migration guidance and a step-by-step checklist for pre-migration, component conversion, and testing phases
React Modernization
Master React version upgrades, class to hooks migration, concurrent features adoption, and codemods for automated transformation.
When to Use This Skill
- Upgrading React applications to latest versions
- Migrating class components to functional components with hooks
- Adopting concurrent React features (Suspense, transitions)
- Applying codemods for automated refactoring
- Modernizing state management patterns
- Updating to TypeScript
- Improving performance with React 18+ features
Version Upgrade Path
React 16 → 17 → 18
Breaking Changes by Version:
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