Remove scripts and styles from bookly on pages not using the shortcode

gistfile1.txt

/**
 * Removes the scripts regestered for the plugin bookly except on the page bookly shortcode is rendered on.
 *
 * @author bowriverstudio.com
 * @see bowriverstudio.com/2018/10/15/adding-plugin-bookly-to-site/
 * @see https://www.booking-wp-plugin.com/
 * @todo You will have to modify the code "PAGE_SLUG" to your page  ie: book-free-consolation
 * @version 15.1 (Based on bookly's version)
 */
function brs_deregister_bookly_scripts(){

    if (!is_page('PAGE_SLUG')):
        wp_deregister_script( 'bookly-spin' );
        wp_deregister_script( 'bookly-ladda' );
        wp_deregister_script( 'bookly-hammer' );
        wp_deregister_script( 'bookly-jq-hammer' );
        wp_deregister_script( 'bookly-picker' );
        wp_deregister_script( 'bookly-picker-date ' );
        wp_deregister_script( 'bookly-intlTelInput' );
        wp_deregister_script( 'bookly' );
        wp_deregister_script( 'bookly-customer-profile' );
    endif;

}
add_action( 'wp_print_scripts', 'brs_deregister_bookly_scripts', 7 );

/**
 * Removes the styles regestered for the plugin bookly except on the page bookly shortcode is rendered on.
 *
 * @author bowriverstudio.com
 * @see bowriverstudio.com/2018/10/15/adding-plugin-bookly-to-site/
 * @see https://www.booking-wp-plugin.com/
 * @todo You will have to modify the code "PAGE_SLUG" to your page  ie: book-free-consolation
 * @version 15.1 (Based on bookly's version)
 */
function brs_deregister_bookly_styles(){
    if (!is_page('PAGE_SLUG')):
        wp_deregister_style( ' bookly-intlTelInput' );
        wp_deregister_style( ' bookly-ladda-min' );
        wp_deregister_style( ' bookly-picker' );
        wp_deregister_style( ' bookly-picker-date' );
        wp_deregister_style( ' bookly-main' );
        wp_deregister_style( ' bookly-customer-profile' );
    endif;
}
add_action( 'wp_print_styles', 'brs_deregister_bookly_styles', 7 );