Nahee's September report

2024_NewBeginnings/monthly-reports/pr05_2024_September_report_Nahee_Kim

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+# Editor Migration Progress Report - September 2024
+
+ Throughout September, I've been working diligently to transition from the class-based React implementation using CodeMirror 5 to a more modern functional component approach with CodeMirror 6. This update aims to improve the editor's performance, maintainability, and align it with current best practices.
+
+## 1. React Component Modernization
+
+- **Functional Component Conversion**: I've replaced the class-based structure with a functional component. This shift allows me to leverage React hooks, resulting in more concise and easier-to-understand code.
+
+- **State Management Overhaul**: By utilizing hooks like useState, useEffect, useRef, and useCallback, I've streamlined the state management process. This new approach provides better control over the component's lifecycle and state updates.
+
+- **Lifecycle Method Adaptation**: I've transitioned away from traditional lifecycle methods (such as componentDidMount and componentDidUpdate) to the more flexible useEffect hook. This change gives me finer-grained control over side effects and helps prevent some common bugs associated with class components.
+
+## 2. CodeMirror 6 Integration
+
+- **Extension-Based Architecture**: CodeMirror 6 introduces a more modular, extension-driven system. I've adapted the codebase to this new paradigm, which allows for greater flexibility and easier customization of editor features.
+
+- **State and View Management**: I've implemented the new EditorState and EditorView concepts from CodeMirror 6. This gives me more granular control over the editor's behavior and rendering.
+
+- **Feature Reimplementation**: I've reestablished core functionalities like syntax highlighting, line numbers, and code folding using CodeMirror 6's extension system. This process required a deep dive into the new API but has resulted in a more robust implementation.
+
+## 3. Editor Configuration and Customization
+
+- **Keymap Customization**: I've rebuilt the custom key bindings using CodeMirror 6's keymap extension. This includes shortcuts for actions like code formatting, find/replace operations, and indentation control.
+
+- **Prettier Integration**: I've updated the code formatting function to use Prettier's formatWithCursor method. This ensures that I maintain cursor position after formatting, which greatly improves the user experience when working with JavaScript, CSS, and HTML.
+
+- **Autocompletion Enhancements**: I've reimplemented the autocompletion system using a combination of Fuse.js for flexible matching and CodeMirror 6's autocompletion extension. This new setup provides more accurate and context-aware code suggestions.
+
+These customizations help maintain the familiar feel of the editor while leveraging the new capabilities of CodeMirror 6.
+
+## 4. Runtime Error Visualization
+
+- **Error Parsing**: Using StackTrace.js, I now parse runtime errors to extract relevant information such as line numbers and error messages.
+
+- **Visual Error Highlighting**: Leveraging CodeMirror 6's Decoration API, I've implemented a system that visually highlights lines in the editor where runtime errors occur. This provides in-context feedback to users.
+
+- **Dynamic Update Mechanism**: I use CodeMirror 6's StateEffect system to manage these error decorations, ensuring that they update efficiently as the code changes or errors are resolved.
+
+This feature significantly improves the debugging process by providing immediate visual cues within the editing environment.
+
+## 5. Challenges and Lessons Learned
+
+Throughout this migration, I've encountered and overcome several challenges:
+
+- Adapting to CodeMirror 6's more modular architecture required a shift in my thinking about how editor features are implemented and composed.
+- Ensuring feature parity with the previous implementation while leveraging new capabilities has been a balancing act.
+- Performance optimization, particularly for large files, has required careful consideration and testing.
+
+These challenges have provided valuable learning experiences and have ultimately led to a more robust and flexible editor implementation.
+
+## 7. Next Steps
+
+As I move forward, my focus will be on:
+
+- Developing a custom React hook (useCodemirror) to encapsulate editor initialization logic, promoting code reuse and maintainability.
+- Conducting thorough performance testing and optimization, with a particular focus on handling large files and complex operations.
+- Further enhancing the error handling and debugging tools to provide an even better development experience.
+- Exploring additional CodeMirror 6 extensions that could bring new, valuable features to the editor.
+
+## Conclusion
+
+The migration to a functional component using CodeMirror 6 represents a step forward for the editor. While there's still work to be done, the foundation I've laid this month sets us up for improved performance, better maintainability, and enhanced features in the future.
+
+Thank you for your ongoing support and collaboration on this project.