storybook/docs/snippets/svelte/documentscreen-story-msw-graphql-query.js.mdx

```js
// YourPage.stories.js

import { graphql } from 'msw';

import DocumentScreen from './YourPage.svelte';
import MockApolloWrapperClient from './MockApolloWrapperClient.svelte';

export default {
  /* 👇 The title prop is optional.
  * See https://storybook.js.org/docs/svelte/configure/overview#configure-story-loading
  * to learn how to generate automatic titles
  */
  title: 'DocumentScreen',
  component: DocumentScreen,
  decorators: [() => MockGraphqlProvider],
};

//👇The mocked data that will be used in the story
const TestData = {
  user: {
    userID: 1,
    name: 'Someone',
  },
  document: {
    id: 1,
    userID: 1,
    title: 'Something',
    brief: 'Lorem ipsum dolor sit amet, consectetur adipiscing elit.',
    status: 'approved',
  },
  subdocuments: [
    {
      id: 1,
      userID: 1,
      title: 'Something',
      content:
        'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
      status: 'approved',
    },
    {
      id: 2,
      userID: 1,
      title: 'Something else',
      content:
        'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
      status: 'awaiting review',
    },
    {
      id: 3,
      userID: 2,
      title: 'Another document',
      content:
        'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
      status: 'approved',
    },
    {
      id: 4,
      userID: 2,
      title: 'Something',
      content:
        'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.',
      status: 'approved',
    },
  ],
};

const PageTemplate = () => ({
  Component: DocumentScreen,
});

export const MockedSuccess = PageTemplate.bind({});
MockedSuccess.parameters = {
  msw: [
    graphql.query('AllInfoQuery', (req, res, ctx) => {
      return res(ctx.data(TestData));
    }),
  ],
};
export const MockedError = PageTemplate.bind({});
MockedError.parameters = {
  msw: [
    graphql.query('AllInfoQuery', (req, res, ctx) => {
      return res(
        ctx.delay(800),
        ctx.errors([
          {
            message: 'Access denied',
          },
        ])
      );
    }),
  ],
};
```