⚡ Bolt: Optimize station lookups by ID and object iterations#111
⚡ Bolt: Optimize station lookups by ID and object iterations#111OsakaLOOP wants to merge 1 commit intobefore-refractorfrom
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- Created O(1) cached lookup `getStationById` in `src/core/railwayRouting.ts`. - Replaced O(N*M) `Object.values(railwayData).forEach(...)` loops in `TripsPage.tsx`, `WalkTripEditor.tsx`, and `RailRound.jsx` with `getStationById`. - Replaced `Object.values(currentRailwayData).some()` with `for...in` loop in `AppLayout.tsx` to prevent array allocations. Co-authored-by: OsakaLOOP <68284076+OsakaLOOP@users.noreply.github.com>
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💡 What: Implemented
getStationByIdusing a cached Map index, and replaced nestedObject.valuesloops.🎯 Why: React components frequently looked up stations by ID. Searching all lines and stations was O(NM) and
Object.values()unnecessarily allocated memory on every render.📊 Impact: Reduces time complexity from O(NM) to O(1) for lookups and avoids temporary array garbage collection pressure.
🔬 Measurement: Verify by running
npm run buildand checking the frontend behavior forWalkTripEditorandTripsPage.PR created automatically by Jules for task 15491449905011947215 started by @OsakaLOOP