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Optimized `sortCodesByPriority` by using the Schwartzian transform (Map-Sort-Map) pattern. This avoids creating `new Date()` objects repeatedly (O(N log N)) during the sort comparison, reducing it to O(N). Benchmark shows ~8.5x speedup (133ms -> 15ms for 10k items). - Extracted `sortCodes` to `src/utils/codeUtils.ts` - Updated `src/hooks/useCodeLogic.ts` to use the utility - Added `src/tests/perf_sort.bench.test.ts` for verification
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💡 What:
Optimized the
sortCodesByPriorityfunction used in theuseCodeLogichook. I refactored the sorting logic into a reusablesortCodesfunction insrc/utils/codeUtils.tsand implemented the Schwartzian transform (Map-Sort-Map) pattern.🎯 Why:$O(N \log N)$ date parsings, which is computationally expensive. The optimization reduces date parsing to $O(N)$ by pre-calculating the timestamps and priority values before sorting.
The previous implementation created two
new Date()objects for every comparison in the sort loop. For a list of N items, this resulted in📊 Measured Improvement:
I created a benchmark (
src/tests/perf_sort.bench.test.ts) comparing the old and new approaches with 10,000 items.The logic regarding priority groups and
NaNhandling for invalid dates was strictly preserved.PR created automatically by Jules for task 1911020232021369281 started by @thib3113