https://www.timstouchflorist.com/packages/core_commerce/blocks/product_list/js/product_list.js

1$(function() {
2	$('.product-list-core-commerce-product-search-add-option').click(
3		function () {
4			$(this).closest('form').find('.product-list-search-field-base').show();
5		}
6	);
7	$('.product-list-search-field-base select').change(
8		function () {
9			var val = $(this).val();
10			$(this).closest('form').find('#product-list-core-commerce-product-search-field-set'+val).show();
11			$(this).closest('form').find('#product-list-core-commerce-product-search-field-set'+val+' .product-list-core-commerce-product-selected-field').val(val);
12			$(this).val('');
13			$(this).closest('form').find('.product-list-search-field-base').hide();
14		}
15	);
16	$('.product-list-search-remove-option').click(
17		function () {
18			$(this).closest('.product-list-search-field').find('.product-list-core-commerce-product-selected-field').val('');
19			$(this).closest('.product-list-search-field').hide();
20		}
21	);
22	$('.product-list-sort-select').change(
23		function () {
24			document.location = $(this).val();
25		}
26	);
27	$('.product-list-add-to-cart-form').each(
28		function () {
29			ccm_coreCommerceRegisterAddToCart(this.id);
30			//e.preventDefault();
31		}
32	);
33
34	$(".ccm-core-commerce-product-list-results .ccm-core-commerce-add-to-cart form").submit(function(){
35		var pID='pitem_'+$('#productID',this).val();
36		item_var=window[pID];
37		dataLayer.push({ ecommerce: null }); 
38		if($('#quantity',this).val()== undefined	){
39			item_var.quantity=1;
40		}else{
41			item_var.quantity=$('#quantity',this).val();
42		}
43	
44		 dataLayer.push({
45			event: "add_to_cart",
46			ecommerce: {
47				currency: item_currency,
48				value: item_var.price,
49			  items: [
50				{
51					item_id: item_var.item_id,
52					item_name: item_var.item_name,
53					index: 0,
54					item_brand: item_var.item_brand,
55					item_category:item_var.item_category,
56					item_list_id: item_var.item_list_id,
57					item_list_name: item_var.item_list_name,
58					price:item_var.price,
59					quantity: item_var.quantity
60				  }
61			  ]
62			}
63		  });
64
65	});
66	
67});