⚡ Bolt: Memoize displayList in ProjetsTab#310
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… allocations on re-renders Co-authored-by: KxlSys <116387953+KxlSys@users.noreply.github.com>
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En tant qu'expert en sécurité et qualité de code pour le projet BisoMapTech, j'ai analysé le diff de cette Pull Request. Résumé GénéralCette Pull Request est une excellente initiative qui se concentre sur l'optimisation des performances des composants React en tirant parti de la mémoïsation. L'intégration de Globalement, cette PR n'introduit aucune faille de sécurité ni de bug, et améliore significativement la qualité et la performance du code. 1. Failles de sécuritéAucune faille de sécurité n'est détectée dans ce diff. Les modifications se concentrent sur l'optimisation des calculs côté client et n'impliquent pas d'interaction avec des données sensibles, des API externes ou des entrées utilisateur non sécurisées. 2. Bugs potentielsAucun bug potentiel ou erreur logique n'est détecté. 3. Qualité du code3.1. Application de
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No actionable comments were generated in the recent review. 🎉 ℹ️ Recent review info⚙️ Run configurationConfiguration used: defaults Review profile: CHILL Plan: Pro Run ID: 📒 Files selected for processing (2)
📝 WalkthroughWalkthroughThe matching page now memoizes its derived project list and visible slice using ChangesProject List Memoization
Estimated code review effort: 2 (Simple) | ~10 minutes Possibly related PRs
🚥 Pre-merge checks | ✅ 5✅ Passed checks (5 passed)
✨ Finishing Touches📝 Generate docstrings
🧪 Generate unit tests (beta)
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💡 What:
Wrapped the mapping logic for
displayListand slicing logic forvisiblearray inuseMemohooks within theProjetsTabcomponent ofsrc/pages/matching-page.tsx. Added inline comments explaining the rationale. Logged the learning to.jules/bolt.md.🎯 Why:
React components with highly interactive states (like
visibleCountwhen a user requests to see more projects, orinterestedwhen a user interacts with a project) trigger full re-renders. Before this change, thedisplayListwas mapping over potentially hundreds of project records, instantiating new objects and triggering garbage collection on every single re-render. This causes unnecessary main thread blocking and micro-stutters.📊 Impact:
Reduces main-thread blocking significantly during interactive UI state changes (e.g. clicking "Voir plus" or "Je suis intéressé"). Caches the derived list datasets to completely avoid redundant O(N) map allocations.
🔬 Measurement:
To verify the improvement, navigate to the Matching page -> Projets tab with a large dataset. Toggle "Je suis intéressé" on multiple projects in rapid succession, or observe the React Profiler for the render time of
ProjetsTabbefore and after this change. The component render time will be noticeably shorter because the object allocation is bypassed entirely. Tests ran successfully withnpm run typecheckandnpm run test.PR created automatically by Jules for task 11450142854350254193 started by @KxlSys
Summary by CodeRabbit
Performance
Documentation