192 lines
6.2 KiB
TypeScript
192 lines
6.2 KiB
TypeScript
/*
|
|
* Copyright 2020 Adobe. All rights reserved.
|
|
* This file is licensed to you under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License. You may obtain a copy
|
|
* of the License at http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software distributed under
|
|
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
|
|
* OF ANY KIND, either express or implied. See the License for the specific language
|
|
* governing permissions and limitations under the License.
|
|
*/
|
|
|
|
import {DOMAttributes, FocusableDOMProps, FocusableElement, FocusableProps, RefObject} from '@react-types/shared';
|
|
import {focusSafely} from './';
|
|
import {getOwnerWindow, isFocusable, mergeProps, mergeRefs, useObjectRef, useSyncRef} from '@react-aria/utils';
|
|
import React, {ForwardedRef, forwardRef, MutableRefObject, ReactElement, ReactNode, useContext, useEffect, useRef} from 'react';
|
|
import {useFocus} from './useFocus';
|
|
import {useKeyboard} from './useKeyboard';
|
|
|
|
export interface FocusableOptions<T = FocusableElement> extends FocusableProps<T>, FocusableDOMProps {
|
|
/** Whether focus should be disabled. */
|
|
isDisabled?: boolean
|
|
}
|
|
|
|
export interface FocusableProviderProps extends DOMAttributes {
|
|
/** The child element to provide DOM props to. */
|
|
children?: ReactNode
|
|
}
|
|
|
|
interface FocusableContextValue extends FocusableProviderProps {
|
|
ref?: MutableRefObject<FocusableElement | null>
|
|
}
|
|
|
|
// Exported for @react-aria/collections, which forwards this context.
|
|
/** @private */
|
|
export let FocusableContext: React.Context<FocusableContextValue | null> = React.createContext<FocusableContextValue | null>(null);
|
|
|
|
function useFocusableContext(ref: RefObject<FocusableElement | null>): FocusableContextValue {
|
|
let context = useContext(FocusableContext) || {};
|
|
useSyncRef(context, ref);
|
|
|
|
// eslint-disable-next-line
|
|
let {ref: _, ...otherProps} = context;
|
|
return otherProps;
|
|
}
|
|
|
|
/**
|
|
* Provides DOM props to the nearest focusable child.
|
|
*/
|
|
export const FocusableProvider:
|
|
React.ForwardRefExoticComponent<FocusableProviderProps & React.RefAttributes<FocusableElement>> =
|
|
React.forwardRef(function FocusableProvider(props: FocusableProviderProps, ref: ForwardedRef<FocusableElement>) {
|
|
let {children, ...otherProps} = props;
|
|
let objRef = useObjectRef(ref);
|
|
let context = {
|
|
...otherProps,
|
|
ref: objRef
|
|
};
|
|
|
|
return (
|
|
<FocusableContext.Provider value={context}>
|
|
{children}
|
|
</FocusableContext.Provider>
|
|
);
|
|
});
|
|
|
|
export interface FocusableAria {
|
|
/** Props for the focusable element. */
|
|
focusableProps: DOMAttributes
|
|
}
|
|
|
|
/**
|
|
* Used to make an element focusable and capable of auto focus.
|
|
*/
|
|
export function useFocusable<T extends FocusableElement = FocusableElement>(props: FocusableOptions<T>, domRef: RefObject<FocusableElement | null>): FocusableAria {
|
|
let {focusProps} = useFocus(props);
|
|
let {keyboardProps} = useKeyboard(props);
|
|
let interactions = mergeProps(focusProps, keyboardProps);
|
|
let domProps = useFocusableContext(domRef);
|
|
let interactionProps = props.isDisabled ? {} : domProps;
|
|
let autoFocusRef = useRef(props.autoFocus);
|
|
|
|
useEffect(() => {
|
|
if (autoFocusRef.current && domRef.current) {
|
|
focusSafely(domRef.current);
|
|
}
|
|
autoFocusRef.current = false;
|
|
}, [domRef]);
|
|
|
|
// Always set a tabIndex so that Safari allows focusing native buttons and inputs.
|
|
let tabIndex: number | undefined = props.excludeFromTabOrder ? -1 : 0;
|
|
if (props.isDisabled) {
|
|
tabIndex = undefined;
|
|
}
|
|
|
|
return {
|
|
focusableProps: mergeProps(
|
|
{
|
|
...interactions,
|
|
tabIndex
|
|
},
|
|
interactionProps
|
|
)
|
|
};
|
|
}
|
|
|
|
export interface FocusableComponentProps extends FocusableOptions {
|
|
children: ReactElement<DOMAttributes, string>
|
|
}
|
|
|
|
export const Focusable:
|
|
React.ForwardRefExoticComponent<FocusableComponentProps & React.RefAttributes<FocusableElement>> =
|
|
forwardRef(({children, ...props}: FocusableComponentProps, ref: ForwardedRef<FocusableElement>) => {
|
|
ref = useObjectRef(ref);
|
|
let {focusableProps} = useFocusable(props, ref);
|
|
let child = React.Children.only(children);
|
|
|
|
useEffect(() => {
|
|
if (process.env.NODE_ENV === 'production') {
|
|
return;
|
|
}
|
|
|
|
let el = ref.current;
|
|
if (!el || !(el instanceof getOwnerWindow(el).Element)) {
|
|
console.error('<Focusable> child must forward its ref to a DOM element.');
|
|
return;
|
|
}
|
|
|
|
if (!props.isDisabled && !isFocusable(el)) {
|
|
console.warn('<Focusable> child must be focusable. Please ensure the tabIndex prop is passed through.');
|
|
return;
|
|
}
|
|
|
|
if (
|
|
el.localName !== 'button' &&
|
|
el.localName !== 'input' &&
|
|
el.localName !== 'select' &&
|
|
el.localName !== 'textarea' &&
|
|
el.localName !== 'a' &&
|
|
el.localName !== 'area' &&
|
|
el.localName !== 'summary' &&
|
|
el.localName !== 'img' &&
|
|
el.localName !== 'svg'
|
|
) {
|
|
let role = el.getAttribute('role');
|
|
if (!role) {
|
|
console.warn('<Focusable> child must have an interactive ARIA role.');
|
|
} else if (
|
|
// https://w3c.github.io/aria/#widget_roles
|
|
role !== 'application' &&
|
|
role !== 'button' &&
|
|
role !== 'checkbox' &&
|
|
role !== 'combobox' &&
|
|
role !== 'gridcell' &&
|
|
role !== 'link' &&
|
|
role !== 'menuitem' &&
|
|
role !== 'menuitemcheckbox' &&
|
|
role !== 'menuitemradio' &&
|
|
role !== 'option' &&
|
|
role !== 'radio' &&
|
|
role !== 'searchbox' &&
|
|
role !== 'separator' &&
|
|
role !== 'slider' &&
|
|
role !== 'spinbutton' &&
|
|
role !== 'switch' &&
|
|
role !== 'tab' &&
|
|
role !== 'tabpanel' &&
|
|
role !== 'textbox' &&
|
|
role !== 'treeitem' &&
|
|
// aria-describedby is also announced on these roles
|
|
role !== 'img' &&
|
|
role !== 'meter' &&
|
|
role !== 'progressbar'
|
|
) {
|
|
console.warn(`<Focusable> child must have an interactive ARIA role. Got "${role}".`);
|
|
}
|
|
}
|
|
}, [ref, props.isDisabled]);
|
|
|
|
// @ts-ignore
|
|
let childRef = parseInt(React.version, 10) < 19 ? child.ref : child.props.ref;
|
|
|
|
return React.cloneElement(
|
|
child,
|
|
{
|
|
...mergeProps(focusableProps, child.props),
|
|
// @ts-ignore
|
|
ref: mergeRefs(childRef, ref)
|
|
}
|
|
);
|
|
});
|