Method setOriginNode

packages/markmap-view/src/view.ts:337–343

(originNode: INode | undefined)

      { x: number; y: number; width: number; height: number }
    > = {};
    const setOriginNode = (originNode: INode | undefined) => {
      if (!originNode || originMap[originNode.state.id]) return;
      walkTree(originNode, (item, next) => {
        originMap[item.state.id] = originNode.state.id;
        next();
      });
    };
    const getOriginSourceRect = (node: INode) => {
      const rect = sourceRectMap[originMap[node.state.id]];
      return rect || rootNode.state.rect;