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⚡ Bolt: Optimize array spread to amortized O(1) push in schedule hook #142

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⚡ Bolt: Optimize array spread to amortized O(1) push in schedule hook #142

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⚡ Bolt: Optimize array spread to amortized O(1) push in schedule hook
anyulled Apr 5, 2026
27b2cb6
⚡ Bolt: Optimize array spread to amortized O(1) push in schedule hook
anyulled Apr 5, 2026
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12 changes: 10 additions & 2 deletions hooks/useSchedule.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -59,8 +59,16 @@ export const getSchedule = cache(async (year: string | number): Promise<DailySch
day.rooms.forEach((room) => {
room.sessions.forEach((session) => {
const timeKey = format(parseISO(session.startsAt), "HH:mm");
const existing = sessionsByTime.get(timeKey) || [];
sessionsByTime.set(timeKey, [...existing, session]);
const existing = sessionsByTime.get(timeKey);
if (!existing) {
sessionsByTime.set(timeKey, [session]);
} else {
/*
* ⚡ Bolt: Use amortized O(1) push instead of O(N^2) array spread inside loop
* Impact: Decreases memory consumption and GC pauses for large schedule datasets
*/
existing.push(session);
}
});
});

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