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metamask-extension/ui/components/component-library/button-icon/README.mdx
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import { Story, Canvas, ArgsTable } from '@storybook/addon-docs';
import { ButtonIcon } from './button-icon';
# ButtonIcon
The `ButtonIcon` is used for icons associated with a user action.
<Canvas>
<Story id="components-componentlibrary-buttonicon--default-story" />
</Canvas>
## Props
The `ButtonIcon` accepts all props below as well as all [Box](/docs/components-ui-box--default-story#props) component props
<ArgsTable of={ButtonIcon} />
### Icon Name<span style={{ color: 'red' }}>\*</span>
Use the required `iconName` prop with `ICON_NAMES` object from `./ui/components/component-library/icon` to select icon.
Use the [IconSearch](/story/components-componentlibrary-icon--default-story) story to find the icon you want to use.
<Canvas>
<Story id="components-componentlibrary-buttonicon--icon-name" />
</Canvas>
```jsx
import { ButtonIcon } from '../ui/component-library';
import { ICON_NAMES } from '../icon';
<ButtonIcon iconName={ICON_NAMES.CLOSE} ariaLabel="Close" />;
```
### Size
Use the `size` prop and the `SIZES` object from `./ui/helpers/constants/design-system.js`
to change the size of `ButtonIcon`. Defaults to `SIZES.SM`
Optional: `BUTTON_ICON_SIZES` from `./button-icon` object can be used instead of `SIZES`.
Possible sizes include:
- `SIZES.SM` 24px
- `SIZES.LG` 32px
<Canvas>
<Story id="components-componentlibrary-buttonicon--size" />
</Canvas>
```jsx
import { SIZES } from '../../../helpers/constants/design-system';
import { ButtonIcon } from '../ui/component-library';
<ButtonIcon size={SIZES.SM} iconName={ICON_NAMES.CLOSE} ariaLabel="Close"/>
<ButtonIcon size={SIZES.LG} iconName={ICON_NAMES.CLOSE} ariaLabel="Close"/>
```
### Aria Label
Use the `ariaLabel` prop to set the name of the ButtonIcon for proper accessibility
<Canvas>
<Story id="components-componentlibrary-buttonicon--aria-label" />
</Canvas>
```jsx
import { ButtonIcon } from '../ui/component-library';
<ButtonIcon as="button" iconName={ICON_NAMES.CLOSE} ariaLabel="Close"/>
<ButtonIcon as="a" href="https://metamask.io/" target="_blank" iconName={ICON_NAMES.EXPORT} color={COLORS.PRIMARY_DEFAULT} ariaLabel="Visit MetaMask.io"/>
```
### As
Use the `as` box prop to change the element of `ButtonIcon`. Defaults to `button`.
Button `as` options:
- `button`
- `a`
<Canvas>
<Story id="components-componentlibrary-buttonicon--as" />
</Canvas>
```jsx
import { ButtonIcon } from '../ui/component-library';
<ButtonIcon as="button" iconName={ICON_NAMES.CLOSE} ariaLabel="Close"/>
<ButtonIcon as="a" href="https://metamask.io/" target="_blank" iconName={ICON_NAMES.EXPORT} color={COLORS.PRIMARY_DEFAULT} ariaLabel="Visit MetaMask.io"/>
```
### Href
When an `href` prop is passed it will change the element to an anchor(`a`) tag.
<Canvas>
<Story id="components-componentlibrary-buttonicon--href" />
</Canvas>
```jsx
import { ButtonIcon } from '../ui/component-library';
<ButtonIcon
href="https://metamask.io/"
target="_blank"
iconName={ICON_NAMES.EXPORT}
color={COLORS.PRIMARY_DEFAULT}
ariaLabel="Visit MetaMask.io"
/>;
```
### Color
Use the `color` prop and the `COLORS` object to change the color of the `ButtonIcon`. Defaults to `COLORS.ICON_DEFAULT`.
<Canvas>
<Story id="components-componentlibrary-buttonicon--color" />
</Canvas>
```jsx
import { ButtonIcon } from '../ui/component-library';
<ButtonIcon
iconName={ICON_NAMES.EXPORT}
color={COLORS.PRIMARY_DEFAULT}
ariaLabel="Visit MetaMask.io"
/>;
```
### Disabled
Use the boolean `disabled` prop to disable button
<Canvas>
<Story id="components-componentlibrary-buttonicon--disabled" />
</Canvas>
```jsx
import { ButtonIcon } from '../ui/component-library';
<ButtonIcon iconName={ICON_NAMES.CLOSE} disabled ariaLabel="Close" />;
```