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import * as _ from 'lodash-es';
export { addSubgraphConstraints };
function addSubgraphConstraints(g, cg, vs) {
var prev = {},
rootPrev;
_.forEach(vs, function (v) {
var child = g.parent(v),
parent,
prevChild;
while (child) {
parent = g.parent(child);
if (parent) {
prevChild = prev[parent];
prev[parent] = child;
} else {
prevChild = rootPrev;
rootPrev = child;
}
if (prevChild && prevChild !== child) {
cg.setEdge(prevChild, child);
return;
}
child = parent;
}
});
/*
function dfs(v) {
var children = v ? g.children(v) : g.children();
if (children.length) {
var min = Number.POSITIVE_INFINITY,
subgraphs = [];
_.each(children, function(child) {
var childMin = dfs(child);
if (g.children(child).length) {
subgraphs.push({ v: child, order: childMin });
}
min = Math.min(min, childMin);
});
_.reduce(_.sortBy(subgraphs, "order"), function(prev, curr) {
cg.setEdge(prev.v, curr.v);
return curr;
});
return min;
}
return g.node(v).order;
}
dfs(undefined);
*/
}