feat: use hydrateRoot for production and clean up ErrorBoundary

[Zyreny]

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Summary of Changes

Hello @Zyreny, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request refines the application's React rendering strategy by introducing hydrateRoot for production environments, which is essential for efficient server-side rendering. Concurrently, it streamlines the ErrorBoundary component by removing a conditional DOMException catch, indicating a more robust and simplified error handling mechanism now that previous hydrateRoot related issues are no longer a concern.

Highlights

• React Hydration: Implemented hydrateRoot for production builds to improve performance and leverage server-side rendering capabilities, while retaining createRoot for development environments.
• Error Handling Cleanup: Removed specific handling for DOMException within the ErrorBoundary component, simplifying its error catching logic.

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Changelog

• src/client.js
  • Imported hydrateRoot from react-dom/client.
  • Modified the root rendering logic to conditionally use hydrateRoot for production and createRoot for development.
• src/components/ErrorBoundary.js
  • Removed the if (error instanceof DOMException) block from componentDidCatch.

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Code Review

This pull request correctly implements React 18's hydrateRoot for production builds to support Server-Side Rendering, replacing the previous createRoot implementation. This change addresses a TODO item and allows for a valuable simplification in the ErrorBoundary component by removing special handling for DOMException. The updated logic in ErrorBoundary will now correctly display an error UI for all types of errors, including hydration mismatches, which improves error visibility and debugging. The changes are clean, logical, and represent a solid improvement to the application's rendering architecture.