metrics.pathLength = function()

in src/core/metrics.js [29:37]

• 9 lines of code
• 3 McCabe index (conditional complexity)

metrics.pathLength = function(nodes){
  if(nodes.length===0) return 0;
  var layers = toLayers(nodes);
  return helper.sum(layers, function(layer){
    return helper.sum(layer, function(node){
      return node.isStub() ? 0 : Math.abs(node.getPathToRootLength());
    });
  }) / denominatorWithoutStubs(layers);
};