open-consul/ui/packages/consul-ui/app/utils/tomography.js

53 lines
1.4 KiB
JavaScript

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