storybook/docs/snippets/react/loader-story.js.mdx

```js
// TodoItem.stories.js|jsx|ts|tsx

import React from 'react';

import fetch from 'node-fetch';

import { TodoItem } from './TodoItem';

export default {
   /* 👇 The title prop is optional.
   * See https://storybook.js.org/docs/react/configure/overview#configure-story-loading
   * to learn how to generate automatic titles
   */
  title: 'Examples/Loader'
  component: TodoItem,
};

export const Primary = (args, { loaded: { todo } }) => <TodoItem {...args} {...todo} />;
Primary.loaders = [
    async () => ({
      todo: await (await fetch('https://jsonplaceholder.typicode.com/todos/1')).json(),
    }),
];
```