storybook/code/lib/cli/frameworks/rax/Button.js

import './button.css';
import { createElement } from 'rax';

/**
 * Primary UI component for user interaction
 */
export const Button = ({ primary, backgroundColor, size, label, ...props }) => {
  const mode = primary ? 'storybook-button--primary' : 'storybook-button--secondary';
  return (
    <button
      type="button"
      className={['storybook-button', `storybook-button--${size}`, mode].join(' ')}
      style={backgroundColor && { backgroundColor }}
      {...props}
    >
      {label}
    </button>
  );
};

Button.defaultProps = {
  backgroundColor: null,
  primary: false,
  size: 'medium',
  onClick: undefined,
};