fixed bugs and made code effiecient ! media-panel.tsx#88
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WalkthroughThe Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant MediaPanel
participant MediaPreview
participant MediaItemComponent
participant Toast
User->>MediaPanel: Upload/select/search/filter media
MediaPanel->>MediaPreview: Render media thumbnail/preview
MediaPanel->>MediaItemComponent: Render media item with remove/drag
User->>MediaItemComponent: Remove or drag media item
MediaItemComponent->>MediaPanel: onRemove/onDragStart callbacks
MediaPanel->>Toast: Show success/error notification
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Actionable comments posted: 1
🧹 Nitpick comments (2)
apps/web/src/components/editor/media-panel.tsx (2)
33-37: Remove unnecessary memoization for pure function.The
formatDurationfunction is pure and has no dependencies, so wrapping it inuseCallbackprovides no performance benefit.Move it outside the component or define it as a regular function:
-const MediaPreview = memo<MediaPreviewProps>(({ item, onDragStart }) => { - const formatDuration = useCallback((duration: number): string => { - const min = Math.floor(duration / 60); - const sec = Math.floor(duration % 60); - return `${min}:${sec.toString().padStart(2, "0")}`; - }, []); +// Define outside component +const formatDuration = (duration: number): string => { + const min = Math.floor(duration / 60); + const sec = Math.floor(duration % 60); + return `${min}:${sec.toString().padStart(2, "0")}`; +}; + +const MediaPreview = memo<MediaPreviewProps>(({ item, onDragStart }) => {
74-75: Extract base64 SVG to a constant for better maintainability.The inline base64 SVG string is hard to read and maintain.
Extract it to a constant at the top of the file:
+const VIDEO_FALLBACK_SVG = 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjQiIGhlaWdodD0iMjQiIGZpbGw9Im5vbmUiIHZpZXdCb3g9IjAgMCAyNCAyNCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cGF0aCBkPSJtMTUgMTAtNS0zdjZ6IiBmaWxsPSJjdXJyZW50Q29sb3IiLz48L3N2Zz4='; + const MediaPreview = memo<MediaPreviewProps>(({ item, onDragStart }) => {Then use it in the error handler:
-e.currentTarget.src = 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMjQiIGhlaWdodD0iMjQiIGZpbGw9Im5vbmUiIHZpZXdCb3g9IjAgMCAyNCAyNCIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj48cGF0aCBkPSJtMTUgMTAtNS0zdjZ6IiBmaWxsPSJjdXJyZW50Q29sb3IiLz48L3N2Zz4='; +e.currentTarget.src = VIDEO_FALLBACK_SVG;
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📒 Files selected for processing (1)
apps/web/src/components/editor/media-panel.tsx(2 hunks)
🧰 Additional context used
🧬 Code Graph Analysis (1)
apps/web/src/components/editor/media-panel.tsx (7)
apps/web/src/stores/media-store.ts (2)
MediaItem(3-12)useMediaStore(127-170)apps/web/src/components/ui/button.tsx (1)
Button(57-57)apps/web/src/components/ui/aspect-ratio.tsx (1)
AspectRatio(7-7)apps/web/src/lib/media-processing.ts (1)
processMediaFiles(13-68)apps/web/src/hooks/use-toast.ts (1)
toast(191-191)apps/web/src/hooks/use-drag-drop.ts (1)
useDragDrop(18-85)apps/web/src/components/ui/drag-overlay.tsx (1)
DragOverlay(9-25)
🔇 Additional comments (5)
apps/web/src/components/editor/media-panel.tsx (5)
138-178: Well-implemented component with proper memoization and accessibility.The
MediaItemComponentdemonstrates excellent practices:
- Appropriate use of
memoanduseCallbackfor performance optimization- Proper event handling with
stopPropagation- Good accessibility with ARIA labels and title attributes
- Clean component structure
186-204: Excellent performance optimization usinguseMemofor filtering.Replacing
useEffect+useStatewithuseMemofor filtering is a significant performance improvement that:
- Eliminates unnecessary state updates
- Reduces re-renders
- Computes filtered results only when dependencies change
This aligns perfectly with the PR's 40% memory usage reduction goal.
205-221: Good error handling and user feedback implementation.The
processFilesfunction properly:
- Provides clear success/error feedback via toasts
- Handles pluralization correctly in success messages
- Manages loading state appropriately
- Has proper error handling with console logging
243-259: Robust drag operation handling with proper error management.The
handleDragStartimplementation demonstrates good defensive programming:
- Try-catch block prevents crashes from drag API failures
- User-friendly error notification via toast
- Proper drag data setup with relevant media information
288-308: Excellent accessibility improvements with ARIA labels and keyboard navigation.The UI enhancements demonstrate strong accessibility practices:
- ARIA labels on all interactive elements
- Clear focus indicators with ring styles
- Media counts in filter options for better UX
- Proper semantic HTML structure
These changes align perfectly with the PR's accessibility enhancement objectives.
2 participants
40% memory usage reduction through proper memoization
60% render time improvement for large collections
Complete TypeScript safety replacing all any types
Enhanced accessibility with ARIA labels and keyboard navigation
Comprehensive error handling with graceful fallbacks
Summary by CodeRabbit