@antv/layout/lib/node_modules/d3-binarytree/src/size.js

graph layout algorithm

function tree_size$1() {
  var size = 0;
  this.visit(function(node) {
    if (!node.length) do ++size; while (node = node.next)
  });
  return size;
}

export { tree_size$1 as default };
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