Funnelkit Cart: Add or remove class when funnelkit cart open or closed

gistfile1.txt

add_action('wp_footer',function (){
    ?>
    <script>
        window.addEventListener('load', function () {
          jQuery(document.body).on('fkcart_cart_open',function(){
			
			  if(jQuery('body').hasClass('mm-wrapper--position-left')){
					jQuery('body').removeClass('mm-wrapper--position-left')	  
			  }
    		
		});
	 jQuery(document.body).on('fkcart_cart_closed',function(){
			
			  if(!jQuery('body').hasClass('mm-wrapper--position-left')){
					jQuery('body').addClass('mm-wrapper--position-left')	  
			  }
    		
		});
           
        });
    </script>
    <?php
});