https://inmondo.pl/wp-content/plugins/woocommerce-variation-gallery-master/public/js/scripts.js

1jQuery(document).ready(function($) {
2	// change classes below if you modify default product cart structure
3	if ($('.product > .summary > .variations_form').length > 0) {
4		var variation_form = $('.product > .summary > .variations_form');
5		variation_form.on( 'woocommerce_variation_has_changed', function( event, variation ){
6			var variation = variation_form.find('input.variation_id').eq(0).val();
7			// if variation is selected
8			if (variation) {
9				//variation changed
10				//disable default main image change by wc
11				variation_form.wc_variations_image_update(false);
12				//define ajax request for gallery full rebuild
13				var imagesHeight = $('.product').eq(0).height();
14				$('.product').eq(0).css('height', imagesHeight);
15				var ajaxData = {
16					action: 'wvg_change_images',
17					variation: variation
18				}
19				var gallery = $('.product').find('.images').eq(0);
20				gallery.css('opacity', '0.1');
21				$.post(wvg_ajax.ajax_url, ajaxData, function(result) {
22					if (result != 'error') {
23						variation_form.trigger('woocommerce_before_variation_has_changed');
24						gallery.replaceWith(result);
25						gallery = $('.product').find('.images').eq(0);
26						gallery.wc_product_gallery();
27						variation_form.trigger('woocommerce_after_variation_has_changed');
28					} else {
29						console.log('Error changin product variation gallery');
30						// variation_form.trigger('woocommerce_after_variation_has_changed');
31					}
32				});
33				$('.product').eq(0).css('height', 'auto');
34			// if variations has been reseted
35			} else {
36				// get product ID
37				var strId = document.querySelector('.product').id;
38				var productId = parseInt(strId.replace(/[^\d.]/g, ''));
39				var ajaxDefaultData = {
40					action: 'wvg_default_gallery',
41					productId: productId
42				}
43				var gallery = $('.product').find('.images').eq(0);
44				$.post(wvg_ajax.ajax_url, ajaxDefaultData, function(result) {
45					if (result != 'error') {
46						variation_form.trigger('reset_data');
47						gallery.replaceWith(result);
48						gallery = $('.product').find('.images').eq(0);
49						gallery.wc_product_gallery();
50					} else {
51						console.log('Error reset product variation gallery');
52						// variation_form.trigger('woocommerce_after_variation_has_changed');
53					}
54				});
55			}
56		});
57		variation_form.on('wc_variations_image_update');
58	}
59});