@storybook/cli/dist/esm/frameworks/react/js/Header.stories.jsx

Storybook's CLI - easiest method of adding storybook to your projects

import React from 'react';

import { Header } from './Header';

export default {
  title: 'Example/Header',
  component: Header,
};

const Template = (args) => <Header {...args} />;

export const LoggedIn = Template.bind({});
LoggedIn.args = {
  user: {},
};

export const LoggedOut = Template.bind({});
LoggedOut.args = {};