mirror of
https://github.com/lynchmarkHQ/lynchmark.com.git
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17 lines
655 B
JavaScript
17 lines
655 B
JavaScript
async function processCSV(csv, { filterColumn: fc, filterValue: fv, groupBy: gb, aggregateColumn: ac, operation: op }) {
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const { default: Papa } = await import('https://cdn.jsdelivr.net/npm/papaparse@5.4.1/+esm');
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const groups = {};
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Papa.parse(csv, { header: true }).data
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.filter(r => r[fc] == fv)
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.forEach(r => {
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const key = r[gb], g = groups[key] || (groups[key] = { c: 0, s: 0 });
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g.c++;
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g.s += +r[ac] || 0;
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});
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return Object.entries(groups).map(([k, { c, s }]) => ({ [gb]: k, result: op === 'count' ? c : op === 'avg' ? s / c : s }));
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}
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export default processCSV;
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// Generation time: 66.769s
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// Result: PASS
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