dist/vue-draggable-nested-tree.es.js
function atIndentRight(info) {
    return info.offset.x > info.tiOffset.x + info.currentTree.indent;
  }
function atIndentRight(info) {
    return info.offset.x > info.tiOffset.x + info.currentTree.indent;
  }
当前位置在另一节点innner indent位置右边