Function isValidContainer

lib/assets/react-source/development/react.js:28334–28336

(node)

	  return new ReactDOMBlockingRoot(container, LegacyRoot, options);
	}
	function isValidContainer(node) {
	  return !!(node && (node.nodeType === ELEMENT_NODE || node.nodeType === DOCUMENT_NODE || node.nodeType === DOCUMENT_FRAGMENT_NODE || node.nodeType === COMMENT_NODE && node.nodeValue === ' react-mount-point-unstable '));
	}

	var ReactCurrentOwner$3 = ReactSharedInternals.ReactCurrentOwner;
	var topLevelUpdateWarnings;