dist/wscn-react-vendor.js
function isReactNode(node) {
  return isValidContainer(node) && (node.hasAttribute(ROOT_ATTR_NAME) || node.hasAttribute(ATTR_NAME));
}
function isReactNode(node) {
  return isValidContainer(node) && (node.hasAttribute(ROOT_ATTR_NAME) || node.hasAttribute(ATTR_NAME));
}
function isReactNode ( node ) { return isValidContainer ( node ) && ( node . hasAttribute ( ROOT_ATTR_NAME ) || node . hasAttribute ( ATTR_NAME ) ) ; }
True if the supplied DOM node is a valid React node element.

@param {?DOMElement} node The candidate DOM node.
@return {boolean} True if the DOM is a valid React DOM node.
@internal
True if the supplied DOM node is a valid React node element .