https://art-style.co.jp/js/tygh/cart_content.js?ver=1790049244

1// Recalculate cart content functionality without page reload
2
3// NOTE: `$('.ty-btn--recalculate-cart').click();` used for sending AJAX request
4// and dynamically update page content
5
6(function (_, $) {
7    var delay = {
8        qty: 500,
9        inputs: 500
10    };
11
12    // Check that we are on the cart page and recalculate button exist
13    if (!$('[name=checkout_form]').length && !$('.ty-btn--recalculate-cart').length) { 
14        return;
15    }
16
17    // Slight delay (before ajax recalculate) 
18    // for the case when the quantity of product changes
19    $(_.doc).on(
20        'click',
21        '.ty-cart-content__qty .cm-increase, .ty-cart-content__qty .cm-decrease',
22        $.debounce(recalculate.bind(undefined), delay.qty)
23    );
24
25    $(_.doc).on(
26        'change',
27        '#cart_items .cm-cart-contents-updatable-field, .ty-cart-content__qty .cm-amount',
28        $.debounce(recalculate.bind(undefined), delay.inputs)
29    );
30
31    // Ajax recalculate when product's option changed
32    $.ceEvent('on', 'ce.product_option_changed_post', recalculate.bind(undefined));
33
34    function recalculate() {
35        $('.ty-btn--recalculate-cart').click();
36    }
37
38})(Tygh, Tygh.$);