README
<Disclosure>
npm i @accessible/disclosure
An accessible and versatile disclosure component for React
Features
- 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! - Portal-friendly The disclosure target will render into React portals of your choice when configured to do so.
- 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
import * as React from 'react'
import * as Disclosure from '@accessible/disclosure'
const Component = () => (
<Disclosure.Disclosure>
<Disclosure.Trigger>
<button>Open me</button>
</Disclosure.Trigger>
<Disclosure.Target>
<div className='my-disclosure'>
<Disclosure.CloseButton>
<button>Close me</button>
</Disclosure.CloseButton>
<div>I've been disclosed!</div>
</div>
</Disclosure.Target>
</Disclosure.Disclosure>
)
API
Components
Component | Description |
---|---|
<Disclosure> |
This component creates the context for your disclosure target and trigger and contains some configuration options. |
<Target> |
This component wraps any React element and turns it into a disclosure target. |
<Trigger> |
This component wraps any React element and turns it into a disclosure trigger. |
<CloseButton> |
This is a convenience component that wraps any React element and adds an onClick handler to close the disclosure. |
Hooks
Hook | Description |
---|---|
useDisclosure() |
This hook provides the value of the disclosure's DisclosureContextValue object. |
useA11yTarget() |
A React hook for creating a headless disclosure target to WAI-ARIA authoring practices. |
useA11yTrigger() |
A React hook for creating a headless disclosure trigger to WAI-ARIA authoring practices. |
useA11yCloseButton() |
A React hook for creating a headless close button to WAI-ARIA authoring practices. |
<Disclosure>
This component creates the context for your disclosure 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 disclosure. By default the disclosure is closed. |
open | boolean |
undefined |
No | This creates a controlled disclosure component where the open state of the disclosure is controlled by this property. |
onChange | (open: boolean) => void |
undefined |
No | This callback is invoked any time the open state of the disclosure 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 disclosure contents and any other children. |
useA11yTarget(target, options?)
A React hook for creating a headless disclosure target to WAI-ARIA authoring practices.
Arguments
Argument | Type | Required? | Description |
---|---|---|---|
target | React.RefObject<T> | T | null |
Yes | A React ref or HTML element |
options | UseA11yTargetOptions |
No | Configuration options |
UseA11yTargetOptions
export interface UseA11yTargetOptions {
/**
* Adds this class name to props when the disclosure is open
*/
openClass?: string
/**
* Adds this class name to props when the disclosure is closed
*/
closedClass?: string
/**
* Adds this style to props when the disclosure is open
*/
openStyle?: React.CSSProperties
/**
* Adds this style to props when the disclosure 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
interface A11yProps {
readonly 'aria-hidden': boolean
readonly id: string | undefined
readonly className: string | undefined
readonly style: {
visibility: 'visible' | 'hidden'
} & React.CSSProperties
}
Example
import * as React from 'react'
import {useA11yTarget} from '@accessible/disclosure'
const MyTarget = () => {
const ref = React.useRef(null)
const a11yProps = useA11yTarget(ref, {preventScroll: true})
return (
<div ref={ref} {...a11yProps}>
I am the disclosure content
</div>
)
}
<Target>
This component wraps any React element and turns it into a disclosure target.
Props
Prop | Type | Default | Required? | Description |
---|---|---|---|---|
portal | boolean | string | PortalizeProps |
false |
No | When true this will render the disclosure 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 disclosure 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 disclosure is closed . |
openClass | string |
undefined |
No | This class name will be applied to the child element when the disclosure is open . |
closedStyle | React.CSSProperties |
undefined |
No | These styles will be applied to the child element when the disclosure 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 disclosure 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
<Target>
<div className='alert'>Alert</div>
</Target>
// <div
// class="alert"
// aria-hidden="true"
// id="🅰12"
// style="visibility: hidden;"
// >
// Alert
// </div>
useA11yTrigger(target, options?)
A React hook for creating a headless disclosure trigger to WAI-ARIA authoring practices. In addition to providing accessibility props to your component, this hook will add events for interoperability between actual