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Docs: Update benchmark results
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@@ -1,21 +1,16 @@
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const libs=(()=>{let c;return()=>c||(c=Promise.all([
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import('https://cdn.jsdelivr.net/npm/d3-dsv@3/+esm'),
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import('https://cdn.jsdelivr.net/npm/lodash-es@4.17.21/groupBy.js')
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]).then(([dsv,gb])=>({parse:dsv.csvParse,groupBy:gb.default||gb})));})();
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const toNum=v=>{const n=+v;return Number.isFinite(n)?n:0};
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async function processCSV(csv,opts){
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const {parse,groupBy}=await libs();
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const rows=parse(csv);
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const {filterColumn:fc,filterValue:fv,groupBy:gc,aggregateColumn:ac,operation:op}=opts;
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const pool=groupBy(rows.filter(r=>r[fc]==fv),r=>r[gc]??'');
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const calc={
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sum:x=>x.reduce((t,r)=>t+toNum(r[ac]),0),
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avg:x=>x.length?x.reduce((t,r)=>t+toNum(r[ac]),0)/x.length:0,
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count:x=>x.length
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}[op];
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if(!calc) throw new Error('Unsupported operation');
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return Object.entries(pool).map(([k,x])=>({[gc]:k,result:calc(x)}));
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async function processCSV(csv,cfg){
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const [{Papa},{groupBy:gb}]=await Promise.all([
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import('https://cdn.jsdelivr.net/npm/papaparse@5.4.1/papaparse.min.mjs'),
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import('https://cdn.jsdelivr.net/npm/lodash-es@4.17.21/lodash.js')
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])
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const {filterColumn:fc,filterValue:fv,groupBy:gbk,aggregateColumn:ac,operation:op}=cfg
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const rows=Papa.parse(csv,{header:!0,skipEmptyLines:!0}).data.filter(r=>r&&r[fc]==fv)
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const grouped=gb(rows,r=>r?.[gbk]??'')
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return Object.entries(grouped).map(([k,arr])=>{
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const nums=arr.map(r=>{const n=+r[ac];return Number.isFinite(n)?n:0})
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const sum=nums.reduce((a,b)=>a+b,0)
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const result=op==='sum'?sum:op==='avg'?sum/nums.length:arr.length
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return {[gbk]:k,result}
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})
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}
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export default processCSV;
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