Funnelkit Cart: Trigger add to cart when page load

gistfile1.txt

class FKCART_Trigger_Add_To_cart_On_Page_Load {
	public function __construct() {
		add_action( 'wp_footer', [ $this, 'add_js' ] );
	}
	public function add_js() {
		?>
        <script>
            window.addEventListener('load', function () {
                jQuery(document.body).on('fkcart_cart_open', function () {
                    jQuery('body').trigger('fkcart_update_side_cart', [true]);
                });

                window.addEventListener('pageshow', function () {
                    jQuery('body').trigger('fkcart_update_side_cart', [false]);

                });
            });
        </script>
		<?php
	}


}

new FKCART_Trigger_Add_To_cart_On_Page_Load();