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https://github.com/accessible-ui/drawer

🅰 An accessible and versatile drawer component for React
https://github.com/accessible-ui/drawer

a11y a11y-drawer accessible accessible-drawer accessible-react aria aria-drawer drawer drawer-component react react-drawer

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🅰 An accessible and versatile drawer component for React

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<Drawer>




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MIT License

npm i @accessible/drawer


An accessible and versatile drawer component for React

## Features

- [x] **Style-agnostic** You can use this component with the styling library of your choice. It
works with CSS-in-JS, SASS, plain CSS, plain `style` objects, anything!
- [x] **Portal-friendly** The drawer target will render into React portals of your choice when configured
to do so.
- [x] **a11y/aria-compliant** This component works with screen readers out of the box and manages
focus for you.

## Quick Start

[Check out the example on **CodeSandbox**](https://codesandbox.io/s/accessibledrawer-example-y65oq)

```jsx harmony
import * as React from 'react'
import * as Drawer from '@accessible/drawer'

const Component = () => (


Open me




Close me

I've been revealed!




)
```

## API

### Components

| Component | Description |
| ------------------------------- | -------------------------------------------------------------------------------------------------------------- |
| [``](#drawer) | This component creates the context for your drawer target and trigger and contains some configuration options. |
| [``](#target) | This component wraps any React element and turns it into a drawer target. |
| [``](#trigger) | This component wraps any React element and turns it into a drawer trigger. |
| [``](#closebutton) | This is a convenience component that wraps any React element and adds an onClick handler to close the drawer. | |

### Hooks

| Hook | Description |
| ----------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| [`useDrawer()`](#usedrawer) | This hook provides the value of the drawer's [DrawerContextValue object](#drawercontextvalue). |
| [`useA11yTarget()`](#usea11ytargettarget-options) | A React hook for creating a headless drawer target to [WAI-ARIA authoring practices](https://www.w3.org/TR/wai-aria-practices-1.1/examples/disclosure/disclosure-faq.html). |
| [`useA11yTrigger()`](#usea11ytriggertarget-options) | A React hook for creating a headless drawer trigger to [WAI-ARIA authoring practices](https://www.w3.org/TR/wai-aria-practices-1.1/examples/disclosure/disclosure-faq.html). |
| [`useA11yCloseButton()`](#usea11yclosebuttontarget-options) | A React hook for creating a headless close button to [WAI-ARIA authoring practices](https://www.w3.org/TR/wai-aria-practices-1.1/examples/disclosure/disclosure-faq.html). |

### <Drawer>

This component creates the context for your drawer target and trigger and contains some
configuration options.

#### Props

| Prop | Type | Default | Required? | Description |
| ----------- | ------------------------- | ----------- | --------- | --------------------------------------------------------------------------------------------------------------------------------------------------------- |
| defaultOpen | `boolean` | `false` | No | This sets the default open state of the drawer. By default the drawer is closed. |
| open | `boolean` | `undefined` | No | This creates a controlled drawer component where the open state of the drawer is controlled by this property. |
| onChange | `(open: boolean) => void` | `undefined` | No | This callback is invoked any time the `open` state of the drawer changes. |
| id | `string` | `undefined` | No | By default this component creates a unique id for you, as it is required for certain aria attributes. Supplying an id here overrides the auto id feature. |
| children | `React.ReactNode` | `undefined` | No | Your drawer contents and any other children. |

### useA11yTarget(target, options?)

A React hook for creating a headless drawer target to [WAI-ARIA authoring practices](https://www.w3.org/TR/wai-aria-practices-1.1/examples/disclosure/disclosure-faq.html).

#### Arguments

| Argument | Type | Required? | Description |
| -------- | -------------------------------------------------- | --------- | --------------------------- |
| target | React.RefObject<T> \| T \| null | Yes | A React ref or HTML element |
| options | [`UseA11yTargetOptions`](#usea11ytargetoptions) | No | Configuration options |

#### UseA11yTargetOptions

```ts
export interface UseA11yTargetOptions {
/**
* Sets the placement of the drawer menu
* @default "left"
*/
placement?: 'top' | 'right' | 'bottom' | 'left'
/**
* Adds this class name to props when the drawer is open
*/
openClass?: string
/**
* Adds this class name to props when the drawer is closed
*/
closedClass?: string
/**
* Adds this style to props when the drawer is open
*/
openStyle?: React.CSSProperties
/**
* Adds this style to props when the drawer is closed
*/
closedStyle?: React.CSSProperties
/**
* Prevents the `window` from scrolling when the target is
* focused after opening.
*/
preventScroll?: boolean
/**
* When `true`, this closes the target element when the `Escape`
* key is pressed.
* @default true
*/
closeOnEscape?: boolean
}
```

#### Returns

```ts
type A11yProps = {
readonly 'aria-hidden': boolean
readonly id: string | undefined
readonly className: string | undefined
readonly style: {
readonly visibility: 'hidden' | 'visible'
} & React.CSSProperties
} & {
readonly style:
| ({
readonly visibility: 'hidden' | 'visible'
} & React.CSSProperties & {
readonly position: 'fixed'
readonly top: 0
readonly right: 0
readonly bottom: 'auto'
readonly left: 0
readonly transform: 'translate3d(0, -100%, 0)'
})
| ({
readonly visibility: 'hidden' | 'visible'
} & React.CSSProperties & {
readonly position: 'fixed'
readonly top: 0
readonly right: 0
readonly bottom: 0
readonly left: 'auto'
readonly transform: 'translate3d(100%, 0, 0)'
})
| ({
readonly visibility: 'hidden' | 'visible'
} & React.CSSProperties & {
readonly position: 'fixed'
readonly top: 'auto'
readonly right: 0
readonly bottom: 0
readonly left: 0
readonly transform: 'translate3d(0, 100%, 0)'
})
| ({
readonly visibility: 'hidden' | 'visible'
} & React.CSSProperties & {
readonly position: 'fixed'
readonly top: 0
readonly right: 'auto'
readonly bottom: 0
readonly left: 0
readonly transform: 'translate3d(-100%, 0, 0)'
})
}
```

#### Example

```jsx harmony
import * as React from 'react'
import {useA11yTarget} from '@accessible/drawer'

const MyTarget = () => {
const ref = React.useRef(null)
const a11yProps = useA11yTarget(ref, {preventScroll: true})

return (


I am the drawer content

)
}
```

### <Target>

This component wraps any React element and turns it into a drawer target.

#### Props

| Prop | Type | Default | Required? | Description |
| ------------- | ---------------------------------------- | ----------- | --------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| placement | `"top" \| "right" \| "bottom" \| "left"` | `false` | No | When `true` this will render the drawer into a React portal with the id `#portals`. You can render it into any portal by providing its query selector here, e.g. `#foobar`, `[data-portal=true]`, or `.foobar`. |
| portal | `boolean \| string \| PortalizeProps` | `false` | No | When `true` this will render the drawer into a React portal with the id `#portals`. You can render it into any portal by providing its query selector here, e.g. `#foobar`, `[data-portal=true]`, or `.foobar`. |
| closeOnEscape | `boolean` | `true` | No | By default the drawer will close when the `Escape` key is pressed. You can turn this off by providing `false` here. |
| closedClass | `string` | `undefined` | No | This class name will be applied to the child element when the drawer is `closed`. |
| openClass | `string` | `undefined` | No | This class name will be applied to the child element when the drawer is `open`. |
| closedStyle | `React.CSSProperties` | `undefined` | No | These styles will be applied to the child element when the drawer is `closed` in addition to the default styles that set the target's visibility. |
| openStyle | `React.CSSProperties` | `undefined` | No | These styles name will be applied to the child element when the drawer is `open` in addition to the default styles that set the target's visibility. |
| preventScroll | `boolean` | `false` | No | When `true` this will prevent your browser from scrolling the document to bring the newly-focused tab into view. |
| children | `React.ReactElement` | `undefined` | Yes | The child is cloned by this component and has aria attributes injected into its props as well as the events defined above. |

#### Example

```jsx harmony

Alert

//


// Alert
//

```

### useA11yTrigger(target, options?)

A React hook for creating a headless drawer trigger to [WAI-ARIA authoring practices](https://www.w3.org/TR/wai-aria-practices-1.1/examples/disclosure/disclosure-faq.html).
In addition to providing accessibility props to your component, this hook will add events
for interoperability between actual elements and fake ones e.g. and

to the
target element

#### Arguments

| Argument | Type | Required? | Description |
| -------- | -------------------------------------------------- | --------- | --------------------------- |
| target | React.RefObject<T> \| T \| null | Yes | A React ref or HTML element |
| options | [`UseA11yTriggerOptions`](#usea11ytriggeroptions) | No | Configuration options |

#### UseA11yTriggerOptions

```ts
export interface UseA11yTriggerOptions {
/**
* Adds this class name to props when the drawer is open
*/
openClass?: string
/**
* Adds this class name to props when the drawer is closed
*/
closedClass?: string
/**
* Adds this style to props when the drawer is open
*/
openStyle?: React.CSSProperties
/**
* Adds this style to props when the drawer is closed
*/
closedStyle?: React.CSSProperties
/**
* Adds an onClick handler in addition to the default one that
* toggles the drawer's open state.
*/
onClick?: (e: MouseEvent) => any
}
```

#### Returns

```ts
interface A11yProps> {
readonly 'aria-controls': string | undefined
readonly 'aria-expanded': boolean
readonly role: 'button'
readonly tabIndex: 0
readonly className: string | undefined
readonly style: React.CSSProperties | undefined
}
```

#### Example

```jsx harmony
import * as React from 'react'
import {useA11yTrigger} from '@accessible/drawer'

const MyTrigger = () => {
const ref = React.useRef(null)
const a11yProps = useA11yTrigger(ref, {
openClass: 'open',
closedClass: 'closed',
})

return (

Clicking me toggles the drawer content

)
}
```

### <Trigger>

This component wraps any React element and adds an `onClick` handler which toggles the open state
of the drawer target.

#### Props

| Prop | Type | Default | Required? | Description |
| ----------- | --------------------- | ----------- | --------- | -------------------------------------------------------------------------------------------------------------------------- |
| closedClass | `string` | `undefined` | No | This class name will be applied to the child element when the drawer is `closed`. |
| openClass | `string` | `undefined` | No | This class name will be applied to the child element when the drawer is `open`. |
| closedStyle | `React.CSSProperties` | `undefined` | No | These styles will be applied to the child element when the drawer is `closed`. |
| openStyle | `React.CSSProperties` | `undefined` | No | These styles name will be applied to the child element when the drawer is `open`. |
| children | `React.ReactElement` | `undefined` | Yes | The child is cloned by this component and has aria attributes injected into its props as well as the events defined above. |

```jsx harmony

Open me!

//
// Open me!
//
```

### useA11yCloseButton(target, options?)

A React hook for creating a headless close button to [WAI-ARIA authoring practices](https://www.w3.org/TR/wai-aria-practices-1.1/examples/disclosure/disclosure-faq.html).
In addition to providing accessibility props to your component, this hook will add events
for interoperability between actual elements and fake ones e.g.
and

to the
target element

#### Arguments

| Argument | Type | Required? | Description |
| -------- | --------------------------------------------------------- | --------- | --------------------------- |
| target | React.RefObject<T> \| T \| null | Yes | A React ref or HTML element |
| options | [`UseA11yCloseButtonOptions`](#usea11yclosebuttonoptions) | No | Configuration options |

#### UseA11yCloseButtonOptions

```ts
export interface UseA11yCloseButtonOptions {
/**
* Adds an onClick handler in addition to the default one that
* closes the drawer.
*/
onClick?: (e: MouseEvent) => any
}
```

#### Returns

```ts
interface A11yProps> {
readonly 'aria-controls': string | undefined
readonly 'aria-expanded': boolean
readonly 'aria-label': 'Close'
readonly role: 'button'
readonly tabIndex: 0
}
```

#### Example

```jsx harmony
import * as React from 'react'
import {useA11yCloseButton} from '@accessible/drawer'

const MyTrigger = () => {
const ref = React.useRef(null)
const a11yProps = useA11yCloseButton(ref, {
onClick: () => console.log('Closing!'),
})

return (

Clicking me closes the drawer content

)
}
```

### <CloseButton>

This is a convenience component that wraps any React element and adds an onClick handler which closes the drawer.

#### Props

| Prop | Type | Default | Required? | Description |
| -------- | -------------------- | ----------- | --------- | -------------------------------------------------------------------------------------------------------------------------- |
| children | `React.ReactElement` | `undefined` | Yes | The child is cloned by this component and has aria attributes injected into its props as well as the events defined above. |

```jsx harmony

Close me

//
// Close me
//
```

### useDrawer()

This hook provides the value of the drawer's [DrawerContextValue object](#drawercontextvalue)

### DrawerContextValue

```typescript
export interface DrawerContextValue {
/**
* The open state of the drawer
*/
isOpen: boolean
/**
* Opens the drawer
*/
open: () => void
/**
* Closes the drawer
*/
close: () => void
/**
* Toggles the open state of the drawer
*/
toggle: () => void
/**
* A unique ID for the drawer target
*/
id?: string
}
```

#### Example

```jsx harmony
const Component = () => {
const {open, close, toggle, isOpen} = useDrawer()
return Toggle the drawer
}
```

## LICENSE

MIT