mirror of
https://github.com/lynchmarkHQ/lynchmark.com.git
synced 2026-10-08 21:35:23 +00:00
19 lines
711 B
JavaScript
19 lines
711 B
JavaScript
const processCSV = async (csv, { filterColumn: fc, filterValue: fv, groupBy: gb, aggregateColumn: ac, operation: op }) => {
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const Papa = (await import('https://cdn.jsdelivr.net/npm/papaparse@5.4.1/papaparse.min.js')).default;
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const groups = Papa.parse(csv, { header: true }).data
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.filter(r => r[fc] == fv)
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.reduce((acc, r) => {
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const key = r[gb];
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acc[key] = acc[key] || { s: 0, c: 0 };
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acc[key].s += Number(r[ac]) || 0;
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acc[key].c++;
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return acc;
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}, {});
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return Object.entries(groups).map(([key, { s, c }]) => ({
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[gb]: key,
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result: op === 'sum' ? s : op === 'avg' ? s / c : c
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}));
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};
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export default processCSV;
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// Generation time: 57.701s
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// Result: FAIL
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