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2 lines
484 B
JavaScript
2 lines
484 B
JavaScript
async function processCSV(csv,{filterColumn:f,filterValue:v,groupBy:g,aggregateColumn:a,operation:o}){const{default:P}=await import('https://cdn.jsdelivr.net/npm/papaparse@5.4.1/+esm');const{data}=P.parse(csv,{header:true});const grouped=data.filter(r=>r[f]==v).reduce((c,r)=>{const k=r[g],n=Number(r[a])||0;c[k]||=(c[k]={s:0,c:0});c[k].s+=n;c[k].c++;return c},{});return Object.entries(grouped).map(([k,{s,c}])=>({[g]:k,result:o=='sum'?s:o=='avg'?s/c:c}))}
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export default processCSV; |