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metamask-extension/ui/components/component-library/button-link/README.mdx

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import { Story, Canvas, ArgsTable } from '@storybook/addon-docs';
import { ButtonLink } from './button-link';
import { ButtonBase } from '../button-base';
# ButtonLink
The `ButtonLink` is an extension of `ButtonBase` to support link styles
<Canvas>
<Story id="components-componentlibrary-buttonlink--default-story" />
</Canvas>
## Props
The `ButtonLink` accepts all props below as well as all [Box](/docs/components-ui-box--default-story#props) and [ButtonBase](/docs/components-componentlibrary-buttonbase--default-story#props) component props
<ArgsTable of={ButtonLink} />
The `ButtonLink` accepts all [ButtonBase](/docs/components-componentlibrary-buttonbase--default-story#props) component props
<ArgsTable of={ButtonBase} />
### Size
Use the `size` prop and the `Size` object from `./ui/helpers/constants/design-system.js` to change the size of `ButtonLink`. Defaults to `Size.auto`.
Optional: `BUTTON_LINK_SIZES` from `../../component-library` object can be used instead of `Size`
Possible sizes include:
- `Size.auto` sets the height to auto but retains `ButtonLink` font-size
- `Size.SM` 32px
- `Size.MD` 40px
- `Size.LG` 48px
- `Size.inherit` inherits the font-size of the parent element. Used for inline links in paragraphs.
<Canvas>
<Story id="components-componentlibrary-buttonlink--size-story" />
</Canvas>
```jsx
import { Size } from '../../../helpers/constants/design-system';
import { ButtonLink, Text, TextVariant } from '../../component-library';
<ButtonLink size={Size.auto}>
Auto (default)
</ButtonLink>
<ButtonLink size={Size.SM}>
Small
</ButtonLink>
<ButtonLink size={Size.MD}>
Medium
</ButtonLink>
<ButtonLink size={Size.LG}>
Large
</ButtonLink>
<Text variant={TextVariant.bodyLgMedium}>
Inherits the font-size of the parent element. <ButtonLink size={Size.inherit}>Learn more</ButtonLink>
</Text>
<Text variant={TextVariant.bodyMd}>
Inherits the font-size of the parent element. <ButtonLink size={Size.inherit}>Learn more</ButtonLink>
</Text>
<Text variant={TextVariant.bodySm}>
Inherits the font-size of the parent element. <ButtonLink size={Size.inherit}>Learn more</ButtonLink>
</Text>
<Text variant={TextVariant.bodyXs}>
Inherits the font-size of the parent element and example with textProps override for a success color.
<ButtonLink size={Size.inherit}>Learn more</ButtonLink>
</Text>
```
### Danger
Use the `danger` boolean prop to change the `ButtonLink` to danger color.
<Canvas>
<Story id="components-componentlibrary-buttonlink--danger" />
</Canvas>
```jsx
import { ButtonLink } from '../../component-library';
<ButtonLink>Normal</ButtonLink>
<ButtonLink danger>Danger</ButtonLink>
```
### Href
When an `href` prop is passed it will change the element to an anchor(`a`) tag.
<Canvas>
<Story id="components-componentlibrary-buttonlink--href" />
</Canvas>
```jsx
import { ButtonLink } from '../../component-library';
<ButtonLink href="/">Href example</ButtonLink>;
```
### Hit area
The default hit area for `ButtonLink` is the width of the text and height based on the `size` prop which is set to `Size.auto` by default. There may be times when you want to increase the hit area of the `ButtonLink`. To do this you can use the `Box` props `paddingLeft` and `paddingRight`. Or alternatively you can use the `block` prop which sets the width to 100%.
<Canvas>
<Story id="components-componentlibrary-buttonlink--hit-area" />
</Canvas>
```jsx
import { ButtonLink } from '../../component-library';
<ButtonLink paddingLeft={4} paddingRight={4}>
Auto (default)
</ButtonLink>
<ButtonLink size={Size.SM} paddingLeft={4} paddingRight={4}>
Small
</ButtonLink>
<ButtonLink size={Size.MD} paddingLeft={4} paddingRight={4}>
Medium
</ButtonLink>
<ButtonLink size={Size.LG} paddingLeft={4} paddingRight={4}>
Large
</ButtonLink>
<ButtonLink size={Size.LG} block>
Large block
</ButtonLink>
```