Function Component

packages/react-aria/test/utils/mergeProps.test.jsx:97–104

()

    let Spy = jest.fn(props => <div {...props} />);

    const Component = () => {
      let id1 = 'id1';
      let id2 = useId('id2');

      mergeProps({id: id1}, {id: id2});

      return <Spy id={id2} />;
    };

    render(<Component />);