storybook/docs/snippets/common/widget-story-controls-enum.js.mdx

```js
// Widget.stories.js

export default {
  title: 'Widget',
  component: Widget,
  argTypes: {
    loadingState: {
      control: {
        type: 'inline-radio',
        options: ['loading', 'error', 'ready'],
      },
    },
  },
};
```