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💡 What: Wrapped QueueEntry in React.memo to prevent unnecessary re-renders. 🎯 Why: In virtualized lists, item components can re-render unnecessarily when the parent list updates, causing performance overhead. 📊 Impact: Reduces React rendering time for the virtualized list by avoiding re-evaluation of items that haven't changed. 🔬 Measurement: Profile the application in React DevTools while scrolling the queue list; observe fewer QueueEntry renders. Co-authored-by: kshramt <876546+kshramt@users.noreply.github.com>
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| <div className="w-[1px] h-[1px]" /> // `null` is not allowed as Virtuoso does not allow 0-height elements. | ||
| ); | ||
| }; | ||
| export const QueueEntry = React.memo( |
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This commit changes QueueEntry's rendering behavior but adds no corresponding test. Add a component test that rerenders the parent with unchanged props to verify the bailout, while also confirming that changed node_id/index props and relevant Redux updates still render correctly; otherwise this optimization and its required update paths are unprotected.
AGENTS.md reference: AGENTS.md:L3-L3
Useful? React with 👍 / 👎.
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⚡ Bolt: Add React.memo to QueueEntry
💡 What:
Wrapped QueueEntry in React.memo to prevent unnecessary re-renders.
🎯 Why:
In virtualized lists, item components can re-render unnecessarily when the parent list updates, causing performance overhead.
📊 Impact:
Reduces React rendering time for the virtualized list by avoiding re-evaluation of items that haven't changed.
🔬 Measurement:
Profile the application in React DevTools while scrolling the queue list; observe fewer QueueEntry renders.
PR created automatically by Jules for task 15791794474115752880 started by @kshramt