@fluentui/react-tabster/lib/hooks/useKeyborgRef.js

Utilities for focus management and facade for tabster

import * as React from 'react';
import { createKeyborg, disposeKeyborg } from 'keyborg';
import { useFluent_unstable as useFluent } from '@fluentui/react-shared-contexts';
/**
 * @internal
 * Instantiates [keyborg](https://github.com/microsoft/keyborg)
 * @returns - keyborg instance
 */ export function useKeyborgRef() {
    const { targetDocument } = useFluent();
    const keyborgRef = React.useRef(null);
    React.useEffect(()=>{
        if (targetDocument) {
            const keyborg = createKeyborg(targetDocument.defaultView);
            keyborgRef.current = keyborg;
            return ()=>{
                disposeKeyborg(keyborg);
                keyborgRef.current = null;
            };
        }
    }, [
        targetDocument
    ]);
    return keyborgRef;
}