Story

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Stories (component tests) are Storybook's fundamental building blocks.

In Storybook Docs, you can render any of your stories from your CSF files in the context of an MDX file with all annotations (parameters, args, loaders, decorators, play function) applied using the Story block.

Typically you want to use the Canvas block to render a story with a surrounding border and the source block, but you can use the Story block to render just the story.

Screenshot of Story block

ButtonDocs.mdx

import { Meta, Story } from '@storybook/blocks';
import * as ButtonStories from './Button.stories';
 
<Meta of={ButtonStories} />
 
<Story of={ButtonStories.Primary} />

Story

import { Story } from '@storybook/blocks';

Configuring with props and parameters

ℹ️ Like most blocks, the Story block is configured with props in MDX. Many of those props derive their default value from a corresponding parameter in the block's namespace, parameters.docs.story.

The following autoplay configurations are equivalent:

Button.stories.ts|tsx

// Replace your-framework with the name of your framework
import type { Meta, StoryObj } from '@storybook/your-framework';
 
import { Button } from './Button';
 
const meta: Meta<typeof Button> = {
  component: Button,
};
 
export default meta;
type Story = StoryObj<typeof Button>;
 
export const Basic: Story = {
  parameters: {
    docs: {
      story: { autoplay: true },
    },
  },
};

ButtonDocs.mdx

<Story of={ButtonStories.Basic} autoplay />

The example above applied the parameter at the story level, but it could also be applied at the component (or meta) level or project level.

`autoplay`

Type: boolean

Default: parameters.docs.story.autoplay

Determines whether a story's play function runs.

Because all stories render simultaneously in docs entries, play functions can perform arbitrary actions that can interact with each other (such as stealing focus or scrolling the screen). For that reason, by default, stories do not run play functions in docs mode.

However, if you know your play function is “safe” to run in docs, you can use this prop to run it automatically.

`height`

Type: string

Default: parameters.docs.story.height

Set a minimum height (note for an iframe this is the actual height) when rendering a story in an iframe or inline. This overrides parameters.docs.story.iframeHeight for iframes.

`inline`

Type: boolean

Default: parameters.docs.story.inline or true (for supported frameworks)

Determines whether the story is rendered inline (in the same browser frame as the other docs content) or in an iframe.

Setting the inline option to false will prevent the associated controls from updating the story within the documentation page. This is a known limitation of the current implementation and will be addressed in a future release.

`meta`

Type: CSF file exports

Specifies the CSF file to which the story is associated.

You can render a story from a CSF file that you haven’t attached to the MDX file (via Meta) by using the meta prop. Pass the full set of exports from the CSF file (not the default export!).

ButtonDocs.mdx

import { Meta, Story } from '@storybook/blocks';
import * as ButtonStories from './Button.stories';
import * as HeaderStories from './Header.stories';
 
<Meta of={ButtonStories} />
 
{/* Although this MDX file is largely concerned with Button,
    it can render Header stories too */}
<Story of={HeaderStories.LoggedIn} meta={HeaderStories} />

`of`

Type: Story export

Specifies which story is rendered by the Story block. If no of is defined and the MDX file is attached, the primary (first) story will be rendered.

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