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react-modernization

Reactアプリケーションを最新バージョンにアップグレードし、クラスコンポーネントからフックへ移行し、並行機能を採用します。Reactコードベースのモダナイゼーション、React Hooksへの移行、または最新Reactバージョンへのアップグレード時に使用します。

5stars1forksUpdated 3/10/2026

Security Assessment

Safe(100/100)
Security Score100/100

About react-modernization

The react-modernization skill is designed to help developers upgrade and modernize React applications efficiently. It focuses on transitioning projects from older versions of React and class-based components to the latest React features, including functional components, hooks, and concurrent rendering capabilities. By automating many of the repetitive and error-prone tasks associated with migration, this skill reduces the risk of breaking changes and streamlines the modernization process for codebases of varying complexity.

Key features of this skill include upgrading React applications from versions 16 through 18, handling version-specific breaking changes such as event delegation updates, JSX transformation, automatic batching, and concurrent rendering. It provides guidance and examples for converting class components to function components using useState and useEffect hooks, updating lifecycle methods, refactoring context consumers and higher-order components (HOCs) to modern hook-based patterns, and integrating TypeScript. Additionally, it supports the application of codemods for automated refactoring, adoption of concurrent React features like Suspense and transitions, and performance improvements using React 18+ features.

This skill is particularly useful for frontend developers, engineering teams maintaining legacy React applications, and organizations seeking to leverage the latest React capabilities for performance and maintainability. It is suitable for projects that require migration to React 18, modernization of state management patterns, or adoption of hook-based architectures. By using this skill, teams can ensure that their applications remain up-to-date, maintainable, and compatible with modern best practices in React development.

FAQ

When should I use the react-modernization skill?

Use this skill when upgrading a React application to the latest version, converting class components to function components with hooks, adopting concurrent features, or applying automated codemods for refactoring.

Which React versions does this skill support for upgrades?

The skill supports upgrades from React 16 to React 17 and then to React 18, handling the breaking changes and new features introduced in each version.

Can this skill help migrate lifecycle methods and context usage?

Yes, it provides examples and guidance for converting lifecycle methods to useEffect hooks, and for refactoring context consumers and higher-order components to hook-based patterns.

Does the skill require TypeScript?

No, TypeScript support is optional, but the skill includes guidance for updating codebases to TypeScript as part of modernization if desired.

Are there any limitations or prerequisites for using this skill?

The skill assumes familiarity with React and JavaScript. It does not automate every migration scenario, so manual review and testing are recommended after applying changes.

Install react-modernization

Download and extract the skill files to your .claude/skills/ directory.

Quick Setup:

  1. Copy the skill folder to .claude/skills/
  2. Claude will automatically detect and use the skill