Refactor including code split and utilits seperation from main component #11
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… into different files and constant improvements
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Summary of Changes
Hello @utkuakyuz, 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 significantly refactors the VirtualDiffViewer component by implementing code splitting and separating utility logic into dedicated files and custom React hooks. The primary goal is to simplify the main component's codebase, improve maintainability, and enhance readability by isolating concerns such as row rendering, dynamic row height calculation, and search functionality.
Highlights
- Component Extraction: The logic for rendering individual diff rows has been extracted into a new ViewerRow component.
- Custom Hooks Introduction: Two new custom hooks, useRowHeights and useSearch, have been created to encapsulate complex logic related to dynamic row sizing and search functionality, respectively.
- Centralized Constants: Common constants and utility functions have been moved to a new utils/constants.ts file for better organization.
- Build Configuration Update: The rollup.config.js has been updated to remove formik from external dependencies, streamlining the build process.
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Code Review
This pull request effectively refactors the VirtualDiffViewer component by splitting it into smaller, more manageable pieces and extracting logic into custom hooks (useSearch, useRowHeights) and utility files. This greatly improves code organization and maintainability.
However, the refactoring has introduced a few critical regressions and issues. The search functionality no longer updates when the searchTerm prop changes. There's also a memory leak in the useSearch hook due to an incorrect effect cleanup. Additionally, the way ROW_HEIGHT is calculated from CSS is fragile and can break the component. I've left detailed comments with suggestions on how to fix these issues. There are also some medium-severity comments on improving the robustness of the dynamic row height calculation.
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Code Review
This pull request is a solid refactoring effort that improves the structure and maintainability of the VirtualizedDiffViewer component by splitting it into smaller components and custom hooks. The introduction of useSearch and useRowHeights hooks for separating concerns is a great improvement. My main feedback concerns the use of global DOM queries in these new hooks, which could cause issues when multiple viewers are present on a single page. I've provided suggestions to scope these queries to the component instance, which will make the component more robust and reusable.
This commits aiming simplification of VirtualDiffViewer main component code by code splitting.