Funnelkit Checkout: Disabled Next Button when packeta_shipping_method Value empty

gistfile1.txt

class WFACP_Custom_Shipping_Method_Compatibility {

    public function __construct() {
        add_action( 'wfacp_internal_css', [ $this, 'add_js' ] );
    }

    public function add_js() {
        ?>
        <script>
        (function($) {
            'use strict';

            var glsShippingMethods = [
                'gls_shipping_method_parcel_locker',
                'gls_shipping_method_parcel_shop',
                'gls_shipping_method_parcel_locker_zones',
                'gls_shipping_method_parcel_shop_zones'
            ];

            function checkShippingMethod() {
                if ($('.single_step').length === 0) {
                    return;
                }

                var selectedMethod = $('input[name="shipping_method[0]"]:checked').val();
                var nextButton = $('.single_step .wfacp_next_page_button');

                if (nextButton.length === 0) {
                    return;
                }

                // Check Packetery method
                if (selectedMethod === 'packetery_shipping_method:packetery_carrier_skzpoint') {
                    var packetaInfo = $('.packeta-widget-info').html();
                    var isPickupPointSelected = packetaInfo && packetaInfo.trim() !== '';

                    if (isPickupPointSelected) {
                        nextButton.removeClass('wfacp_button_disabled');
                        nextButton.prop('disabled', false);
                    } else {
                        nextButton.addClass('wfacp_button_disabled');
                        nextButton.prop('disabled', true);
                    }
                }
                // Check GLS methods
                else if (glsShippingMethods.indexOf(selectedMethod) !== -1) {
                    var glsPickupData = $('#gls-pickup-info-data').val();

                    if (glsPickupData && glsPickupData.trim() !== '') {
                        nextButton.removeClass('wfacp_button_disabled');
                        nextButton.prop('disabled', false);
                    } else {
                        nextButton.addClass('wfacp_button_disabled');
                        nextButton.prop('disabled', true);
                    }
                }
                // Enable button for other methods
                else {
                    nextButton.removeClass('wfacp_button_disabled');
                    nextButton.prop('disabled', false);
                }
            }

            function bindShippingEvents() {
                if ($('.single_step').length === 0) {
                    return;
                }

                $(document).on('change', '.single_step input[name="shipping_method[0]"]', function() {
                    checkShippingMethod();
                });

                $(document.body).on('updated_checkout', function() {
                    checkShippingMethod();
                });

                // Watch for Packetery widget changes
                var packetaInfoObserver = new MutationObserver(function() {
                    checkShippingMethod();
                });

                var packetaInfoElement = $('.packeta-widget-info')[0];
                if (packetaInfoElement) {
                    packetaInfoObserver.observe(packetaInfoElement, {
                        childList: true,
                        characterData: true,
                        subtree: true
                    });
                }

                // Watch for GLS pickup data changes
                var glsDataObserver = new MutationObserver(function() {
                    checkShippingMethod();
                });

                var glsDataElement = $('#gls-pickup-info-data')[0];
                if (glsDataElement) {
                    glsDataObserver.observe(glsDataElement, {
                        attributes: true,
                        attributeFilter: ['value']
                    });
                }

                $(document).on('input change', '#gls-pickup-info-data', function() {
                    checkShippingMethod();
                });

                // Listen to GLS map change events
                $(document).on('change', '.inchoo-gls-map', function() {
                    setTimeout(function() {
                        checkShippingMethod();
                    }, 100);
                    setTimeout(function() {
                        checkShippingMethod();
                    }, 300);
                    setTimeout(function() {
                        checkShippingMethod();
                    }, 600);
                });

                // Watch for GLS pickup info div changes
                var glsPickupInfoObserver = new MutationObserver(function() {
                    setTimeout(function() {
                        checkShippingMethod();
                    }, 100);
                });

                var glsPickupInfoElement = $('#gls-pickup-info')[0];
                if (glsPickupInfoElement) {
                    glsPickupInfoObserver.observe(glsPickupInfoElement, {
                        childList: true,
                        characterData: true,
                        subtree: true,
                        attributes: true
                    });
                }

                $(document.body).on('updated_checkout', function() {
                    setTimeout(function() {
                        var packetaInfoElement = $('.packeta-widget-info')[0];
                        if (packetaInfoElement && !packetaInfoElement.hasAttribute('data-observed')) {
                            packetaInfoObserver.observe(packetaInfoElement, {
                                childList: true,
                                characterData: true,
                                subtree: true
                            });
                            packetaInfoElement.setAttribute('data-observed', 'true');
                        }

                        var glsDataElement = $('#gls-pickup-info-data')[0];
                        if (glsDataElement && !glsDataElement.hasAttribute('data-observed')) {
                            glsDataObserver.observe(glsDataElement, {
                                attributes: true,
                                attributeFilter: ['value']
                            });
                            glsDataElement.setAttribute('data-observed', 'true');
                        }

                        var glsPickupInfoElement = $('#gls-pickup-info')[0];
                        if (glsPickupInfoElement && !glsPickupInfoElement.hasAttribute('data-observed')) {
                            glsPickupInfoObserver.observe(glsPickupInfoElement, {
                                childList: true,
                                characterData: true,
                                subtree: true,
                                attributes: true
                            });
                            glsPickupInfoElement.setAttribute('data-observed', 'true');
                        }

                        checkShippingMethod();
                    }, 500);
                });
            }

            $(document).ready(function() {
                bindShippingEvents();
                checkShippingMethod();
            });

        })(jQuery);
        </script>
        <?php
    }
}

new WFACP_Custom_Shipping_Method_Compatibility();