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metamask-extension/ui/components/component-library/banner-alert/README.mdx
Pritam Dhara 5b5ca4599e
Replaces SEVERITIES const with Severity enum in BannerAlert (#20200)
* Replaces SEVERITIES const with Severity enum in BannerAlert

* Replaced SEVERITIES with Severity in banner-alert.constants.js

* Used BANNER_ALERT_SEVERITIES instead of SEVERITIES in banner-alert.stories.js

* Updated README for usage of Severity instead of SEVERITIES

* Updates to stories and docs link

---------

Co-authored-by: Brad Decker <bhdecker84@gmail.com>
Co-authored-by: georgewrmarshall <george.marshall@consensys.net>
2023-08-01 14:41:30 -07:00

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import { Story, Canvas, ArgsTable } from '@storybook/addon-docs';
import { BannerAlert } from './banner-alert';
import { BannerBase } from '..';
# BannerAlert
`BannerAlert` is an inline notification that notifies users of important information & sometimes time-sensitive changes.
<Canvas>
<Story id="components-componentlibrary-banneralert--default-story" />
</Canvas>
## Props
The `BannerAlert` accepts all props below as well as all [Box](/docs/components-ui-box--default-story#props) component props
<ArgsTable of={BannerAlert} />
The `BannerAlert` accepts all `BannerBase` component props below
<ArgsTable of={BannerBase} />
### Severity
Use the `severity` prop and the `Severity` enum from `./ui/helpers/constants/design-system.js` to change the context of `BannerAlert`.
Optional: `BANNER_ALERT_SEVERITIES` from `./banner` object can be used instead of `Severity`.
Possible options:
- `Severity.Info` Default
- `Severity.Warning`
- `Severity.Danger`
- `Severity.Success`
<Canvas>
<Story id="components-componentlibrary-banneralert--severity-story" />
</Canvas>
```jsx
import { BannerAlert } from '../../component-library';
import { Severity } from '../../../helpers/constants/design-system';
<BannerAlert title="Info">
This is a demo of severity Info.
</BannerAlert>
<BannerAlert severity={Severity.Warning} title="Warning">
This is a demo of severity Warning.
</BannerAlert>
<BannerAlert severity={Severity.Danger} title="Danger">
This is a demo of severity Danger.
</BannerAlert>
<BannerAlert severity={Severity.Success} title="Success">
This is a demo of severity Success.
</BannerAlert>
```
### Title
Use the `title` prop to pass a string that is sentence case no period. Use the `titleProps` prop to pass additional props to the `Text` component.
<Canvas>
<Story id="components-componentlibrary-banneralert--title" />
</Canvas>
```jsx
import { BannerAlert } from '../../component-library';
<BannerAlert title="Title is sentence case no period">
Pass only a string through the title prop
</BannerAlert>;
```
### Description
The `description` is the content area of the `BannerAlert` that must be a string. Description shouldn't repeat title and only 1-3 lines.
If content requires more than a string, see `children` prop below.
<Canvas>
<Story id="components-componentlibrary-banneralert--description" />
</Canvas>
```jsx
import { BannerAlert } from '../../component-library';
<BannerAlert
title="Description vs children"
description="Pass only a string through the description prop or you can use children if the contents require more"
/>;
```
### Children
The `children` prop is an alternative to `description` for `BannerAlert` when more than a string is needed. Children content shouldn't repeat title and only 1-3 lines.
<Canvas>
<Story id="components-componentlibrary-banneralert--children" />
</Canvas>
```jsx
import { Size } from '../../../helpers/constants/design-system';
import { BannerAlert } from '../../component-library';
<BannerAlert>
{`Description shouldn't repeat title. 1-3 lines. Can contain a `}
<ButtonLink size={Size.auto} href="https://metamask.io/" target="_blank">
hyperlink.
</ButtonLink>
</BannerAlert>;
```
### Action Button Label, onClick, & Props
Use the `actionButtonLabel` prop to pass text, `actionButtonOnClick` prop to pass an onClick handler, and `actionButtonProps` prop to pass an object of [ButtonLink props](/docs/components-componentlibrary-buttonlink--default-story) for the action
<Canvas>
<Story id="components-componentlibrary-banneralert--action-button" />
</Canvas>
```jsx
import { BannerAlert, IconName } from '../../component-library';
<BannerAlert
title="Action prop demo"
actionButtonLabel="Action"
actionButtonProps={{
endIconName: IconName.Arrow2Right,
}}
actionButtonOnClick={() => console.log('ButtonLink actionButtonOnClick demo')}
>
Use actionButtonLabel for action text, actionButtonOnClick for the onClick
handler, and actionButtonProps to pass any ButtonLink prop types such as
iconName
</BannerAlert>;
```
### On Close
Use the `onClose` prop to pass a function to the close button. The close button will appear when this prop is used.
Additional props can be passed to the close button with `closeButtonProps`
<Canvas>
<Story id="components-componentlibrary-banneralert--on-close" />
</Canvas>
```jsx
import { BannerAlert } from '../../component-library';
<BannerAlert
title="onClose demo"
onClose={() => console.log('close button clicked')}
>
Click the close button icon to hide this notifcation
</BannerAlert>;
```