function currentTree() {
      // const currentTree = s.find( => hp.isOffsetInEl(this.offset.x, this.offset.y, .$el))
      var currentTree = getTreeByPoint(this.offsetToViewPort.x, this.offsetToViewPort.y, s);

      if (currentTree) {
        var dragStartTree = this.store;

        if (prevTree == null) {
          prevTree = dragStartTree;
        }

        if (prevTree !== currentTree) {
          if (!vf.isPropTrue(dragStartTree.crossTree) || !vf.isPropTrue(currentTree.crossTree)) {
            return;
          }

          prevTree = currentTree;
        }

        if (!vf.isPropTrue(currentTree.droppable)) {
          return;
        }

        return currentTree;
      }
    }