Function getRootHostContext

docs/external/js/react-dom.development.js:7536–7569

(rootContainerInstance)

    return false;
  }
  function getRootHostContext(rootContainerInstance) {
    var type;
    var namespace;
    var nodeType = rootContainerInstance.nodeType;

    switch (nodeType) {
      case DOCUMENT_NODE:
      case DOCUMENT_FRAGMENT_NODE:
        {
          type = nodeType === DOCUMENT_NODE ? '#document' : '#fragment';
          var root = rootContainerInstance.documentElement;
          namespace = root ? root.namespaceURI : getChildNamespace(null, '');
          break;
        }

      default:
        {
          var container = nodeType === COMMENT_NODE ? rootContainerInstance.parentNode : rootContainerInstance;
          var ownNamespace = container.namespaceURI || null;
          type = container.tagName;
          namespace = getChildNamespace(ownNamespace, type);
          break;
        }
    }

    {
      var validatedTag = type.toLowerCase();
      var ancestorInfo = updatedAncestorInfo(null, validatedTag);
      return {
        namespace: namespace,
        ancestorInfo: ancestorInfo
      };
    }
  }
  function getChildHostContext(parentHostContext, type, rootContainerInstance) {
    {
      var parentHostContextDev = parentHostContext;