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React AI Code Diff Viewer Block

React AI side-by-side code diff viewer block for Next.js with highlighted changes, file header, and apply button using shadcn/ui and Tailwind CSS

Drop a polished side-by-side diff viewer into your React or Next.js app with this TypeScript block. Shows the original code on the left and the AI-improved version on the right with highlighted changed lines, a file header with stats, and an Apply Changes action button. Built with Badge and Button from shadcn/ui and Tailwind CSS for a clean comparison powered by AI refactoring.

React AI Code Diff Viewer Block preview

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Last updated on March 15, 2026

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