How we migrated from CRA to Next.js AppRouter in 5 pull requests

说明与用途

将 CRA 项目迁移到 Next.js AppRouter，完成五个 pull request，最小化代码更改并实现服务器端渲染。

问题

Migrating a Create‑React‑App (CRA) project to Next.js AppRouter while minimizing code changes and pull requests.

结果

The migration was completed in five pull requests with no major regressions, enabling server‑side rendering and improved routing.

工作流

• 1. Replace CRA’s index.html with Next.js _app.js and _document.js.
• 2. Move public assets to the public folder and adjust imports.
• 3. Convert React Router routes to file‑based routes under app/ directory.
• 4. Update API calls to use Next.js API routes or external endpoints.
• 5. Remove CRA‑specific scripts and update package.json to use Next.js scripts.

证据

How we migrated from CRA to Next.js AppRouter in 5 pull requests

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We replaced CRA’s index.html with Next.js _app.js and _document.js

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We moved public assets to the public folder and adjusted imports

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We converted React Router routes to file‑based routes under app/ directory

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We updated API calls to use Next.js API routes or external endpoints

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We removed CRA‑specific scripts and updated package.json to use Next.js scripts

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