shortcode enqueue

function my_custom_shortcode_enqueue() {
    wp_register_style( 'my_shortcode_css', 'plugin-dir/css/style.css' );
    wp_register_script( 'my_shortcode_js', 'plugin-dir/js/shortcode.js' );
}
add_action( 'wp_enqueue_scripts', 'my_custom_shortcode_enqueue' );