newsupernova/vendor/magento/module-paypal/view/frontend/web/js/paypal-checkout.js

/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */

define([
    'jquery',
    'Magento_Ui/js/modal/confirm',
    'Magento_Customer/js/customer-data',
    'jquery/ui',
    'mage/mage'
], function ($, confirm, customerData) {
    'use strict';

    $.widget('mage.paypalCheckout', {
        options: {
            originalForm:
                'form:not(#product_addtocart_form_from_popup):has(input[name="product"][value=%1])',
            productId: 'input[type="hidden"][name="product"]',
            ppCheckoutSelector: '[data-role=pp-checkout-url]',
            ppCheckoutInput: '<input type="hidden" data-role="pp-checkout-url" name="return_url" value=""/>'
        },

        /**
         * Initialize store credit events
         * @private
         */
        _create: function () {
            this.element.on('click', '[data-action="checkout-form-submit"]', $.proxy(function (e) {
                var $target = $(e.target),
                    returnUrl = $target.data('checkout-url'),
                    productId = $target.closest('form').find(this.options.productId).val(),
                    originalForm = this.options.originalForm.replace('%1', productId),
                    self = this,
                    billingAgreement = customerData.get('paypal-billing-agreement');

                e.preventDefault();

                if (billingAgreement().askToCreate) {
                    confirm({
                        content: billingAgreement().confirmMessage,
                        actions: {

                            /**
                             * Confirmation handler
                             *
                             */
                            confirm: function () {
                                returnUrl = billingAgreement().confirmUrl;
                                self._redirect(returnUrl, originalForm);
                            },

                            /**
                             * Cancel confirmation handler
                             *
                             */
                            cancel: function (event) {
                                if (event && !$(event.target).hasClass('action-close')) {
                                    self._redirect(returnUrl);
                                }
                            }
                        }
                    });
                } else {
                    this._redirect(returnUrl, originalForm);
                }
            }, this));
        },

        /**
         * Redirect to certain url, with optional form
         * @param {String} returnUrl
         * @param {HTMLElement} originalForm
         *
         */
        _redirect: function (returnUrl, originalForm) {
            var $form,
                ppCheckoutInput;

            if (this.options.isCatalogProduct) {
                // find the form from which the button was clicked
                $form = originalForm ? $(originalForm) : $($(this.options.shortcutContainerClass).closest('form'));

                ppCheckoutInput = $form.find(this.options.ppCheckoutSelector)[0];

                if (!ppCheckoutInput) {
                    ppCheckoutInput = $(this.options.ppCheckoutInput);
                    ppCheckoutInput.appendTo($form);
                }
                $(ppCheckoutInput).val(returnUrl);

                $form.submit();
            } else {
                $.mage.redirect(returnUrl);
            }
        }
    });

    return $.mage.paypalCheckout;
});