text: function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
  
  function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
  
  function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
  
  var TreeLayout = require('./layout/base');
  var nonLayeredTidyTree = require('./layout/non-layered-tidy');
  var doTreeLayout = require('./layout/do-layout');
  
  var CompactBoxTreeLayout = function (_TreeLayout) {
    _inherits(CompactBoxTreeLayout, _TreeLayout);
  
    function CompactBoxTreeLayout() {
      _classCallCheck(this, CompactBoxTreeLayout);
  
      return _possibleConstructorReturn(this, _TreeLayout.apply(this, arguments));
    }
  
    CompactBoxTreeLayout.prototype.execute = function execute() {
      var me = this;
      var root = doTreeLayout(me.rootNode, me.options, nonLayeredTidyTree);
      root.translate(-(root.x + root.width / 2 + root.hgap), -(root.y + root.height / 2 + root.vgap));
      return root;
    };
  
    return CompactBoxTreeLayout;
  }(TreeLayout);
  
  var DEFAULT_OPTIONS = {};
  
  function compactBoxLayout(root, options) {
    options = Object.assign({}, DEFAULT_OPTIONS, options);
    return new CompactBoxTreeLayout(root, options).execute();
  }
  
  module.exports = compactBoxLayout;