mirror of
https://github.com/multipleof4/lynchmark.git
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18 lines
663 B
JavaScript
18 lines
663 B
JavaScript
async function analyzeGPS(readings, boundary) {
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const isValid = r => r?.ts != null && Array.isArray(r?.loc) && r.loc.length === 2;
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const valid = readings?.filter(isValid) || [];
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if (valid.length < 2) return 0;
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const turf = await import('https://cdn.skypack.dev/@turf/turf').catch(() => null);
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if (!turf) return 0;
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const points = valid
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.filter(r => turf.booleanPointInPolygon(r.loc, boundary))
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.sort((a, b) => a.ts - b.ts)
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.map(r => r.loc);
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return points.length < 2 ? 0 : Math.round(turf.length(turf.lineString(points), {units: 'kilometers'}) * 100) / 100;
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}
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export default analyzeGPS;
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// Generation time: 48.580s
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// Result: PASS
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