⚡ Bolt: [performance improvement] Memoize Recharts data transformations#226
⚡ Bolt: [performance improvement] Memoize Recharts data transformations#226seonghobae wants to merge 5 commits into
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- Wrapped data generation in `useMemo` hooks for 8 dashboard chart components. - Resolves potential UI jank and unneeded re-renders when the data arrays recreate references.
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- Wrapped data generation in `useMemo` hooks for 8 dashboard chart components. - Fixed a duplicate `useMemo` import in `weekly-flow-chart.tsx`. - Resolves potential UI jank and unneeded re-renders when the data arrays recreate references.
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💡 What (무엇을):
대시보드의 Recharts 차트 컴포넌트(
DailyWorkChart,ModelShareChart,RankedBarChart,TokenUsageChart,WeeklyFlowChart,DailyCacheReadsChart,SkillFrequencyChart,SessionTimelineChart)에서 데이터 변환 로직을useMemo로 감싸도록 변경했습니다.🎯 Why (왜):
기존에는 컴포넌트 렌더링 시마다
Array.map또는Array.reduce를 통해 새로운 배열 참조가 생성되었습니다. 이 새로운 참조가 Recharts 컴포넌트에dataprop으로 전달되면, 실제 데이터 내용이 변경되지 않았음에도 불구하고 Recharts가 내부적으로 값비싼 리렌더링을 수행하게 되어 잠재적인 UI 버벅임(jank)이 발생할 수 있습니다.📊 Impact (효과):
차트의 기반 데이터(props로 전달되는
data)가 변경되지 않는 한useMemo를 통해 캐싱된 배열 참조를 유지함으로써, 불필요한 Recharts 리렌더링과 CPU 연산을 크게 줄여 대시보드 렌더링 성능을 개선합니다.🔬 Measurement (측정 방법):
React Profiler를 통해 대시보드 내 상위 컴포넌트가 리렌더링될 때 차트 컴포넌트들이 불필요하게 리렌더링되는 빈도가 줄어들었는지 확인할 수 있습니다.
PR created automatically by Jules for task 4534843326879815321 started by @seonghobae