shopwise_fur2 product variants change foto

https://www.la-fa.lt/produktas/lforma-vytis

jQuery(document).ready(function() {
    "use strict";

    $(document).bind("change", '#variant_photo_url', function() {
        console.log("variant_photo_url changed");
        runInterval(5, 500)
    });
	
	function runInterval(finish, timeout){
		var run=1
		let intervalId = setInterval(function(){ 
			
			update_variant_photo()
			
			if(run > finish - 1){
				update_variant_or_product_photo()
			}			
			if(run > finish){
				update_variant_or_product_photo()
			}
			
			if(run > finish){
				window.clearInterval(intervalId)
			}
			
			run++
		}, timeout);
	}

    function update_variant_photo(){

        const variant_photo_url = $('#variant_photo_url').val()
        console.log(variant_photo_url);

        if(variant_photo_url !== ""){
            console.log("variant_photo_url no empty");
			update_photo(variant_photo_url)
        }
    }

    function update_variant_or_product_photo(){
        const product_photo_url = $('#product_photo_url').val()
        const variant_photo_url = $('#variant_photo_url').val()

        if(variant_photo_url !== ""){
			update_photo(variant_photo_url)
        }
        else{
			update_photo(product_photo_url)
        }
    }
	
	function update_photo(photo_url){
		$('#product_img').attr('src', photo_url)
		$('#product_img').attr('data-zoom-image', photo_url)
		$('.zoomWindowContainer div').css('background-image', 'url(' + photo_url + ')')
	}
})