Function isSimpleFunctionComponent

packages/react-reconciler/src/ReactFiber.js:310–316

(type: any)

}

export function isSimpleFunctionComponent(type: any): boolean {
  return (
    typeof type === 'function' &&
    !shouldConstruct(type) &&
    type.defaultProps === undefined
  );
}

export function isFunctionClassComponent(
  type: (...args: Array<any>) => mixed,