Function isSimpleFunctionComponent

docs/external/js/react-dom.development.js:23807–23809

(type)

  }

  function isSimpleFunctionComponent(type) {
    return typeof type === 'function' && !shouldConstruct(type) && type.defaultProps === undefined;
  }
  function resolveLazyComponentTag(Component) {
    if (typeof Component === 'function') {
      return shouldConstruct(Component) ? ClassComponent : FunctionComponent;