Function drawEdge

chapter19/docs/d3-graphviz.js:1435–1459

(x1, y1, x2, y2, attributes)

  }

  function drawEdge(x1, y1, x2, y2, attributes) {
    var options = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {};
    attributes = Object.assign({}, attributes);
    if (attributes.style && attributes.style.includes('invis')) {
      var newEdge = d3__namespace.select(null);
    } else {
      var root = this._selection;
      var svg = root.selectWithoutDataPropagation("svg");
      var graph0 = svg.selectWithoutDataPropagation("g");
      var newEdge0 = createEdge.call(this, attributes);
      var edgeData = extractAllElementsData(newEdge0);
      var newEdge = graph0.append('g').data([edgeData]);
      attributeElement.call(newEdge.node(), edgeData);
      _updateEdge.call(this, newEdge, x1, y1, x2, y2, attributes, options);
    }
    this._drawnEdge = {
      g: newEdge,
      x1: x1,
      y1: y1,
      x2: x2,
      y2: y2,
      attributes: attributes
    };
    return this;
  }
  function updateDrawnEdge(x1, y1, x2, y2) {
    var attributes = arguments.length > 4 && arguments[4] !== undefined ? arguments[4] : {};
    var options = arguments.length > 5 && arguments[5] !== undefined ? arguments[5] : {};