text: import { storiesOf } from '@storybook/html';
  import { withKnobs, text, radios } from '@storybook/addon-knobs';
  import { action } from '@storybook/addon-actions';
  
  import readme from "./readme.md";
  
  storiesOf('Test a simple-button', module)
      .addDecorator(withKnobs)
      .addParameters({ jest: ['simple-button'] })
      .add('Default', () => {
          const label = 'Themes';
          const options = {
                  Primary: 'primary',
                  Secondary: 'secondary',
          };
          const defaultValue = options.Primary;
  
          const el = document.createElement('simple-button');
          el.theme = radios(label, options, defaultValue);
          el.textContent = text('Label', 'My label');
  
          el.addEventListener('click', e => action('click')(e.detail));
  
          return el;
      }, {
          notes: {markdown: readme},
      });