Function prepareUpdate

docs/external/js/react-dom.development.js:7625–7637

(domElement, type, oldProps, newProps, rootContainerInstance, hostContext)

    return shouldAutoFocusHostComponent(type, props);
  }
  function prepareUpdate(domElement, type, oldProps, newProps, rootContainerInstance, hostContext) {
    {
      var hostContextDev = hostContext;

      if (typeof newProps.children !== typeof oldProps.children && (typeof newProps.children === 'string' || typeof newProps.children === 'number')) {
        var string = '' + newProps.children;
        var ownAncestorInfo = updatedAncestorInfo(hostContextDev.ancestorInfo, type);
        validateDOMNesting(null, string, ownAncestorInfo);
      }
    }

    return diffProperties(domElement, type, oldProps, newProps, rootContainerInstance);
  }
  function shouldSetTextContent(type, props) {
    return type === 'textarea' || type === 'option' || type === 'noscript' || typeof props.children === 'string' || typeof props.children === 'number' || typeof props.dangerouslySetInnerHTML === 'object' && props.dangerouslySetInnerHTML !== null && props.dangerouslySetInnerHTML.__html != null;
  }