code: function hasNoOtherChildNodes() {
    var nodes = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : [];
    var node = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : _postcss2.default.root();
  
    return nodes.filter(function (child) {
      return child !== node;
    }).length === 0;
  }
docs: Confirm a node has no child nodes other than a specific node.
  
  @param {array} nodes Nodes array to check.
  @param {Object} node Node to check.
  @return {boolean} Whether or not the node has no other children.