How to use the mobiledoc-kit/utils/dom-utils.NODE_TYPES.ELEMENT function in mobiledoc-kit

// ensure the list section is closed and added to the sections list.
        // _closeCurrentSection handles pushing list items onto the list section
        this._closeCurrentSection();

        forEach(node.childNodes, (node) => {
          this.parseNode(node);
        });
        return;
      }
    }

    switch (node.nodeType) {
      case NODE_TYPES.TEXT:
        this.parseTextNode(node);
        break;
      case NODE_TYPES.ELEMENT:
        this.parseElementNode(node);
        break;
    }
  }

// ensure the list section is closed and added to the sections list.
        // _closeCurrentSection handles pushing list items onto the list section
        this._closeCurrentSection();

        forEach(node.childNodes, (node) => {
          this.parseNode(node);
        });
        return;
      }
    }

    switch (node.nodeType) {
      case NODE_TYPES.TEXT:
        this.parseTextNode(node);
        break;
      case NODE_TYPES.ELEMENT:
        this.parseElementNode(node);
        break;
    }
  }