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import { useTranslate } from 'i18n-calypso';
import { useEffect, useCallback } from 'react';
import { closeOnFocusOut } from '../utils';
import type { MouseEvent, FC, SetStateAction, Dispatch, RefObject } from 'react';
interface MobileMenuButtonProps {
isOpen: boolean;
setIsOpen: Dispatch< SetStateAction< boolean > >;
mobileMenu: RefObject< HTMLDivElement >;
}
const MobileMenuButton: FC< MobileMenuButtonProps > = ( { isOpen, setIsOpen, mobileMenu } ) => {
const translate = useTranslate();
const menuToggle = useCallback( () => {
setIsOpen( ( open ) => {
if ( ! open ) {
document.body.classList.add( 'no-scroll' );
} else {
document.body.classList.remove( 'no-scroll' );
}
return ! open;
} );
}, [ setIsOpen ] );
const onKeyDown = useCallback(
( e: KeyboardEvent ) => {
if ( e.key === 'Escape' && isOpen ) {
menuToggle();
}
},
[ menuToggle, isOpen ]
);
const onButtonClick = ( e: MouseEvent ) => {
e.preventDefault();
menuToggle();
};
const onBlur = () => {
closeOnFocusOut( mobileMenu, isOpen, menuToggle );
};
useEffect( () => {
document.addEventListener( 'keydown', onKeyDown );
return () => {
document.removeEventListener( 'keydown', onKeyDown );
};
}, [ onKeyDown ] );
return (
<a
className="header__mobile-btn mobile-btn js-mobile-btn"
href="#mobile-menu"
onClick={ onButtonClick }
onBlur={ onBlur }
aria-expanded={ isOpen }
>
<span className="mobile-btn__icon" aria-hidden="true">
<span className="mobile-btn__inner"></span>
</span>
<span className="mobile-btn__label">{ translate( 'Menu' ) }</span>
</a>
);
};
export default MobileMenuButton;
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