YITH WooCommerce Wishlist - disable add to cart if no price for Product

disable_wishlist_add_to_cart_if_no_price.php

<?php

add_filter( 'woocommerce_loop_add_to_cart_link' , 'mm_disable_add_to_cart_if_no_price' , 20 , 2 );

function mm_disable_add_to_cart_if_no_price( $html , $product ){
	
		$product_price = $product->get_price();
	
    if( !empty( $product_price ) || !is_page('wishlist') ){

      return $html;

    } else {

      echo  '' ;

    }

}