mirror of https://github.com/status-im/consul.git
54 lines
1.4 KiB
JavaScript
54 lines
1.4 KiB
JavaScript
// TODO: Istanbul is ignored for the moment as it's not mine,
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// once I come here properly and 100% follow unignore
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/* istanbul ignore file */
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export default function(distance) {
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return function(name, coordinates) {
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var min = 999999999;
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var max = -999999999;
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var distances = [];
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coordinates.forEach(function(node) {
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if (name == node.Node) {
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var segment = node.Segment;
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coordinates.forEach(function(other) {
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if (node.Node != other.Node && other.Segment == segment) {
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var dist = distance(node, other);
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distances.push({ node: other.Node, distance: dist, segment: segment });
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if (dist < min) {
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min = dist;
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}
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if (dist > max) {
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max = dist;
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}
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}
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});
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distances.sort(function(a, b) {
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return a.distance - b.distance;
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});
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}
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});
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var n = distances.length;
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var halfN = Math.floor(n / 2);
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var median;
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if (n > 0) {
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if (n % 2) {
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// odd
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median = distances[halfN].distance;
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} else {
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median = (distances[halfN - 1].distance + distances[halfN].distance) / 2;
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}
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} else {
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median = 0;
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min = 0;
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max = 0;
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}
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return {
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distances: distances,
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n: distances.length,
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min: parseInt(min * 100) / 100,
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median: parseInt(median * 100) / 100,
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max: parseInt(max * 100) / 100,
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};
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};
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}
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