in app/assets/javascripts/sankey.js [294:324]
function connect(node) {
node.index = index++;
node.lowIndex = node.index;
node.onStack = true;
nodeStack.push(node);
if (node.sourceLinks) {
node.sourceLinks.forEach(function(sourceLink){
var target = sourceLink.target;
if (!target.hasOwnProperty('index')) {
connect(target);
node.lowIndex = Math.min(node.lowIndex, target.lowIndex);
} else if (target.onStack) {
node.lowIndex = Math.min(node.lowIndex, target.index);
}
});
if (node.lowIndex === node.index) {
var component = [], currentNode;
do {
currentNode = nodeStack.pop()
currentNode.onStack = false;
component.push(currentNode);
} while (currentNode != node);
components.push({
root: node,
scc: component
});
}
}
}