https://www.epiphan.com/wp-content/plugins/epiphan-cart-serial-check-main/js/serial.js?ver=7.1.2

1(function ($) {
2    function validateSerialDevice(el, serial) {
3        var cart_id = el.data('cart-id');
4        var cart_device = el.data('cart-device');
5        var device_input = $('#cart_serial_' + cart_id + '_' + cart_device);
6        $.ajax(
7            {
8                type: 'POST',
9                url: cartSerial.ajaxurl,
10                data: {
11                    action: 'serial_update_cart',
12                    security: $('#woocommerce-cart-nonce').val(),
13                    serial: serial,
14                    device_index: cart_device,
15                    cart_id: cart_id
16                },
17                success: function (response) {
18                    $('.cart').unblock();
19
20                    if (response.success === false) {
21                        $('#serial_cart_item_devices').html('<tr><td>An unknown error occurred. Check the serial numbers, refresh the page, and try again. If the problem persists, contact Epiphan Video.</td></tr>')
22                    } else {
23                        var validated = response.data[cart_device]
24                        displayNotice(cart_id, cart_device, device_input, validated);
25                    }
26                }
27            }
28        );
29    }
30
31    function displayNotice(cart_id, cart_device, device_input, validated) {
32        $('.cart').unblock();
33        var $applyBtn = device_input.parents('.device-serial-form').find('.btn-primary');
34
35        $applyBtn.attr('disabled', false);
36        $('#serial_notice_' + cart_id + '_' + cart_device)
37            .removeClass(['error', 'success'])
38            .addClass(validated.class)
39            .html(validated.message);
40
41        device_input
42            .removeClass(['error', 'success'])
43            .addClass(validated.class)
44            .attr('readonly', validated.valid);
45
46        if (validated.valid) {
47            $applyBtn.attr('disabled', true);
48        }
49    }
50
51    function deviceSerialListener() {
52        $('.device-serial-input').each(function () {
53            if ($(this).val()) {
54                validateSerialDevice($(this), $(this).val());
55            }
56        });
57
58        $('.device-serial-input').on('change paste', function (event) {
59            $('.cart').block({
60                message: null,
61                overlayCSS: {
62                    background: '#fff',
63                    opacity: 0.6
64                }
65            });
66
67            if (event.type === 'paste') {
68                var input = event.originalEvent.clipboardData.getData('text');
69            } else {
70                var input = $(this).val();
71            }
72
73            validateSerialDevice($(this), input);
74        });
75
76        $('[data-cart-clear-device]').on('click', function (e) {
77            e.preventDefault();
78            var device_input_id = $(this).data('cart-clear-device');
79            $('#cart_serial_' + device_input_id).val('').trigger('change');
80        });
81    }
82
83    $(document).ready(deviceSerialListener);
84    $(document).on('updated_cart_totals', deviceSerialListener);
85})(jQuery);