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https://github.com/multipleof4/lynchmark.git
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12 lines
565 B
JavaScript
12 lines
565 B
JavaScript
let turfReady
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const loadTurf=()=>turfReady||(turfReady=import('https://cdn.jsdelivr.net/npm/@turf/turf@6.5.0/+esm'))
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async function analyzeGPS(readings,boundary){
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const {point,lineString,length,booleanPointInPolygon}=await loadTurf()
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const inBounds=readings.filter(r=>booleanPointInPolygon(point(r.loc),boundary,{ignoreBoundary:true})).sort((a,b)=>a.ts-b.ts)
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if(inBounds.length<2)return 0
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const km=length(lineString(inBounds.map(r=>r.loc)),{units:'kilometers'})
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return +km.toFixed(2)
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}
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export default analyzeGPS;
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// Generation time: 8.791s
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// Result: PASS
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