Initial commit
diff --git a/assets/js/stripe.js b/assets/js/stripe.js
new file mode 100644
index 0000000..f055320
--- /dev/null
+++ b/assets/js/stripe.js
@@ -0,0 +1,1041 @@
+/* global wc_stripe_params */
+
+jQuery( function( $ ) {
+	'use strict';
+
+	try {
+		var stripe = Stripe( wc_stripe_params.key, {
+			locale: wc_stripe_params.stripe_locale || 'auto',
+		} );
+	} catch( error ) {
+		console.log( error );
+		return;
+	}
+
+	var stripe_elements_options = Object.keys( wc_stripe_params.elements_options ).length ? wc_stripe_params.elements_options : {},
+		sepa_elements_options   = Object.keys( wc_stripe_params.sepa_elements_options ).length ? wc_stripe_params.sepa_elements_options : {},
+		elements                = stripe.elements( stripe_elements_options ),
+		iban                    = elements.create( 'iban', sepa_elements_options ),
+		stripe_card,
+		stripe_exp,
+		stripe_cvc;
+
+	/**
+	 * Object to handle Stripe elements payment form.
+	 */
+	var wc_stripe_form = {
+		/**
+		 * Get WC AJAX endpoint URL.
+		 *
+		 * @param  {String} endpoint Endpoint.
+		 * @return {String}
+		 */
+		getAjaxURL: function( endpoint ) {
+			return wc_stripe_params.ajaxurl
+				.toString()
+				.replace( '%%endpoint%%', 'wc_stripe_' + endpoint );
+		},
+
+		/**
+		 * Unmounts all Stripe elements when the checkout page is being updated.
+		 */
+		unmountElements: function() {
+			if ( 'yes' === wc_stripe_params.inline_cc_form ) {
+				stripe_card.unmount( '#stripe-card-element' );
+			} else {
+				stripe_card.unmount( '#stripe-card-element' );
+				stripe_exp.unmount( '#stripe-exp-element' );
+				stripe_cvc.unmount( '#stripe-cvc-element' );
+			}
+		},
+
+		/**
+		 * Mounts all elements to their DOM nodes on initial loads and updates.
+		 */
+		mountElements: function() {
+			if ( ! $( '#stripe-card-element' ).length ) {
+				return;
+			}
+
+			if ( 'yes' === wc_stripe_params.inline_cc_form ) {
+				stripe_card.mount( '#stripe-card-element' );
+				return;
+			}
+
+			stripe_card.mount( '#stripe-card-element' );
+			stripe_exp.mount( '#stripe-exp-element' );
+			stripe_cvc.mount( '#stripe-cvc-element' );
+		},
+
+		/**
+		 * Creates all Stripe elements that will be used to enter cards or IBANs.
+		 */
+		createElements: function() {
+			var elementStyles = {
+				base: {
+					iconColor: '#666EE8',
+					color: '#31325F',
+					fontSize: '15px',
+					'::placeholder': {
+				  		color: '#CFD7E0',
+					}
+				}
+			};
+
+			var elementClasses = {
+				focus: 'focused',
+				empty: 'empty',
+				invalid: 'invalid',
+			};
+
+			elementStyles  = wc_stripe_params.elements_styling ? wc_stripe_params.elements_styling : elementStyles;
+			elementClasses = wc_stripe_params.elements_classes ? wc_stripe_params.elements_classes : elementClasses;
+
+			if ( 'yes' === wc_stripe_params.inline_cc_form ) {
+				stripe_card = elements.create( 'card', { style: elementStyles, hidePostalCode: true } );
+
+				stripe_card.addEventListener( 'change', function( event ) {
+					wc_stripe_form.onCCFormChange();
+
+					if ( event.error ) {
+						$( document.body ).trigger( 'stripeError', event );
+					}
+				} );
+			} else {
+				stripe_card = elements.create( 'cardNumber', { style: elementStyles, classes: elementClasses } );
+				stripe_exp  = elements.create( 'cardExpiry', { style: elementStyles, classes: elementClasses } );
+				stripe_cvc  = elements.create( 'cardCvc', { style: elementStyles, classes: elementClasses } );
+
+				stripe_card.addEventListener( 'change', function( event ) {
+					wc_stripe_form.onCCFormChange();
+
+					wc_stripe_form.updateCardBrand( event.brand );
+
+					if ( event.error ) {
+						$( document.body ).trigger( 'stripeError', event );
+					}
+				} );
+
+				stripe_exp.addEventListener( 'change', function( event ) {
+					wc_stripe_form.onCCFormChange();
+
+					if ( event.error ) {
+						$( document.body ).trigger( 'stripeError', event );
+					}
+				} );
+
+				stripe_cvc.addEventListener( 'change', function( event ) {
+					wc_stripe_form.onCCFormChange();
+
+					if ( event.error ) {
+						$( document.body ).trigger( 'stripeError', event );
+					}
+				} );
+			}
+
+			/**
+			 * Only in checkout page we need to delay the mounting of the
+			 * card as some AJAX process needs to happen before we do.
+			 */
+			if ( 'yes' === wc_stripe_params.is_checkout ) {
+				$( document.body ).on( 'updated_checkout', function() {
+					// Don't re-mount if already mounted in DOM.
+					if ( $( '#stripe-card-element' ).children().length ) {
+						return;
+					}
+
+					// Unmount prior to re-mounting.
+					if ( stripe_card ) {
+						wc_stripe_form.unmountElements();
+					}
+
+					wc_stripe_form.mountElements();
+
+					if ( $( '#stripe-iban-element' ).length ) {
+						iban.mount( '#stripe-iban-element' );
+					}
+				} );
+			} else if ( $( 'form#add_payment_method' ).length || $( 'form#order_review' ).length ) {
+				wc_stripe_form.mountElements();
+
+				if ( $( '#stripe-iban-element' ).length ) {
+					iban.mount( '#stripe-iban-element' );
+				}
+			}
+		},
+
+		/**
+		 * Updates the card brand logo with non-inline CC forms.
+		 *
+		 * @param {string} brand The identifier of the chosen brand.
+		 */
+		updateCardBrand: function( brand ) {
+			var brandClass = {
+				'visa': 'stripe-visa-brand',
+				'mastercard': 'stripe-mastercard-brand',
+				'amex': 'stripe-amex-brand',
+				'discover': 'stripe-discover-brand',
+				'diners': 'stripe-diners-brand',
+				'jcb': 'stripe-jcb-brand',
+				'unknown': 'stripe-credit-card-brand'
+			};
+
+			var imageElement = $( '.stripe-card-brand' ),
+				imageClass = 'stripe-credit-card-brand';
+
+			if ( brand in brandClass ) {
+				imageClass = brandClass[ brand ];
+			}
+
+			// Remove existing card brand class.
+			$.each( brandClass, function( index, el ) {
+				imageElement.removeClass( el );
+			} );
+
+			imageElement.addClass( imageClass );
+		},
+
+		/**
+		 * Initialize event handlers and UI state.
+		 */
+		init: function() {
+			// Initialize tokenization script if on change payment method page and pay for order page.
+			if ( 'yes' === wc_stripe_params.is_change_payment_page || 'yes' === wc_stripe_params.is_pay_for_order_page ) {
+				$( document.body ).trigger( 'wc-credit-card-form-init' );
+			}
+
+			// checkout page
+			if ( $( 'form.woocommerce-checkout' ).length ) {
+				this.form = $( 'form.woocommerce-checkout' );
+			}
+
+			$( 'form.woocommerce-checkout' )
+				.on(
+					'checkout_place_order_stripe checkout_place_order_stripe_bancontact checkout_place_order_stripe_sofort checkout_place_order_stripe_giropay checkout_place_order_stripe_ideal checkout_place_order_stripe_alipay checkout_place_order_stripe_sepa checkout_place_order_stripe_boleto checkout_place_order_stripe_oxxo',
+					this.onSubmit
+				);
+
+			// pay order page
+			if ( $( 'form#order_review' ).length ) {
+				this.form = $( 'form#order_review' );
+			}
+
+			$( 'form#order_review, form#add_payment_method' )
+				.on(
+					'submit',
+					this.onSubmit
+				);
+
+			// add payment method page
+			if ( $( 'form#add_payment_method' ).length ) {
+				this.form = $( 'form#add_payment_method' );
+			}
+
+			$( 'form.woocommerce-checkout' )
+				.on(
+					'change',
+					this.reset
+				);
+
+			$( document )
+				.on(
+					'stripeError',
+					this.onError
+				)
+				.on(
+					'checkout_error',
+					this.reset
+				);
+
+			// SEPA IBAN.
+			iban.on( 'change',
+				this.onSepaError
+			);
+
+			// Subscription early renewals modal.
+			if ($('#early_renewal_modal_submit[data-payment-method]').length) {
+				$('#early_renewal_modal_submit[data-payment-method=stripe]').on('click', this.onEarlyRenewalSubmit);
+			} else {
+				$('#early_renewal_modal_submit').on('click', this.onEarlyRenewalSubmit);
+			}
+
+			wc_stripe_form.createElements();
+
+			// Listen for hash changes in order to handle payment intents
+			window.addEventListener( 'hashchange', wc_stripe_form.onHashChange );
+			wc_stripe_form.maybeConfirmIntent();
+
+			//Mask CPF/CNPJ field when using Boleto
+			$( document ).on( 'change', '.wc_payment_methods', function () {
+				if ( ! $( '#stripe_boleto_tax_id' ).length ) {
+					return;
+				}
+
+				var TaxIdMaskBehavior = function ( val ) {
+						return val.replace( /\D/g, '' ).length >= 12 ? '00.000.000/0000-00' : '000.000.000-009999';
+					},
+					spOptions = {
+						onKeyPress: function ( val, e, field, options ) {
+							field.mask( TaxIdMaskBehavior.apply( {}, arguments ), options );
+						}
+					};
+
+				$( '#stripe_boleto_tax_id' ).mask( TaxIdMaskBehavior, spOptions );
+			});
+		},
+
+		/**
+		 * Check to see if Stripe in general is being used for checkout.
+		 *
+		 * @return {boolean}
+		 */
+		isStripeChosen: function() {
+			return $( '#payment_method_stripe, #payment_method_stripe_bancontact, #payment_method_stripe_sofort, #payment_method_stripe_giropay, #payment_method_stripe_ideal, #payment_method_stripe_alipay, #payment_method_stripe_sepa, #payment_method_stripe_eps, #payment_method_stripe_multibanco, #payment_method_stripe_boleto, #payment_method_stripe_oxxo' ).is( ':checked' ) || ( $( '#payment_method_stripe' ).is( ':checked' ) && 'new' === $( 'input[name="wc-stripe-payment-token"]:checked' ).val() ) || ( $( '#payment_method_stripe_sepa' ).is( ':checked' ) && 'new' === $( 'input[name="wc-stripe-payment-token"]:checked' ).val() );
+		},
+
+		/**
+		 * Currently only support saved cards via credit cards and SEPA. No other payment method.
+		 *
+		 * @return {boolean}
+		 */
+		isStripeSaveCardChosen: function() {
+			return (
+				$( '#payment_method_stripe' ).is( ':checked' ) &&
+				$( 'input[name="wc-stripe-payment-token"]' ).is( ':checked' ) &&
+				'new' !== $( 'input[name="wc-stripe-payment-token"]:checked' ).val()
+			) || (
+				$( '#payment_method_stripe_sepa' ).is( ':checked' ) &&
+				$( 'input[name="wc-stripe_sepa-payment-token"]' ).is( ':checked' ) &&
+				'new' !== $( 'input[name="wc-stripe_sepa-payment-token"]:checked' ).val()
+			);
+		},
+
+		/**
+		 * Check if Stripe credit card is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isStripeCardChosen: function() {
+			return $( '#payment_method_stripe' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe Bancontact is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isBancontactChosen: function() {
+			return $( '#payment_method_stripe_bancontact' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe giropay is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isGiropayChosen: function() {
+			return $( '#payment_method_stripe_giropay' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe iDEAL is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isIdealChosen: function() {
+			return $( '#payment_method_stripe_ideal' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe Sofort is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isSofortChosen: function() {
+			return $( '#payment_method_stripe_sofort' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe Alipay is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isAlipayChosen: function() {
+			return $( '#payment_method_stripe_alipay' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe SEPA Direct Debit is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isSepaChosen: function() {
+			return $( '#payment_method_stripe_sepa' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe P24 is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isP24Chosen: function() {
+			return $( '#payment_method_stripe_p24' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe EPS is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isEpsChosen: function() {
+			return $( '#payment_method_stripe_eps' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe Multibanco is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isMultibancoChosen: function() {
+			return $( '#payment_method_stripe_multibanco' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe Boleto is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isBoletoChosen: function() {
+			return $( '#payment_method_stripe_boleto' ).is( ':checked' );
+		},
+
+		/**
+		 * Check if Stripe OXXO is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isOxxoChosen: function() {
+			return $( '#payment_method_stripe_oxxo' ).is( ':checked' );
+		},
+
+		/**
+		 * Checks if a source ID is present as a hidden input.
+		 * Only used when SEPA Direct Debit is chosen.
+		 *
+		 * @return {boolean}
+		 */
+		hasSource: function() {
+			return 0 < $( 'input.stripe-source' ).length;
+		},
+
+		/**
+		 * Check whether a mobile device is being used.
+		 *
+		 * @return {boolean}
+		 */
+		isMobile: function() {
+			if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test( navigator.userAgent ) ) {
+				return true;
+			}
+
+			return false;
+		},
+
+		/**
+		 * Blocks payment forms with an overlay while being submitted.
+		 */
+		block: function() {
+			if ( ! wc_stripe_form.isMobile() ) {
+				wc_stripe_form.form.block( {
+					message: null,
+					overlayCSS: {
+						background: '#fff',
+						opacity: 0.6
+					}
+				} );
+			}
+		},
+
+		/**
+		 * Removes overlays from payment forms.
+		 */
+		unblock: function() {
+			wc_stripe_form.form && wc_stripe_form.form.unblock();
+		},
+
+		/**
+		 * Returns the selected payment method HTML element.
+		 *
+		 * @return {HTMLElement}
+		 */
+		getSelectedPaymentElement: function() {
+			return $( '.payment_methods input[name="payment_method"]:checked' );
+		},
+
+		/**
+		 * Retrieves "owner" data from either the billing fields in a form or preset settings.
+		 *
+		 * @return {Object}
+		 */
+		getOwnerDetails: function() {
+			var first_name = $( '#billing_first_name' ).length ? $( '#billing_first_name' ).val() : wc_stripe_params.billing_first_name,
+				last_name  = $( '#billing_last_name' ).length ? $( '#billing_last_name' ).val() : wc_stripe_params.billing_last_name,
+				owner      = { name: '', address: {}, email: '', phone: '' };
+
+			owner.name = first_name;
+
+			if ( first_name && last_name ) {
+				owner.name = first_name + ' ' + last_name;
+			} else {
+				owner.name = $( '#stripe-payment-data' ).data( 'full-name' );
+			}
+
+			owner.email = $( '#billing_email' ).val();
+			owner.phone = $( '#billing_phone' ).val();
+
+			/* Stripe does not like empty string values so
+			 * we need to remove the parameter if we're not
+			 * passing any value.
+			 */
+			if ( typeof owner.phone === 'undefined' || 0 >= owner.phone.length ) {
+				delete owner.phone;
+			}
+
+			if ( typeof owner.email === 'undefined' || 0 >= owner.email.length ) {
+				if ( $( '#stripe-payment-data' ).data( 'email' ).length ) {
+					owner.email = $( '#stripe-payment-data' ).data( 'email' );
+				} else {
+					delete owner.email;
+				}
+			}
+
+			if ( typeof owner.name === 'undefined' || 0 >= owner.name.length ) {
+				delete owner.name;
+			}
+
+			owner.address.line1       = $( '#billing_address_1' ).val() || wc_stripe_params.billing_address_1;
+			owner.address.line2       = $( '#billing_address_2' ).val() || wc_stripe_params.billing_address_2;
+			owner.address.state       = $( '#billing_state' ).val()     || wc_stripe_params.billing_state;
+			owner.address.city        = $( '#billing_city' ).val()      || wc_stripe_params.billing_city;
+			owner.address.postal_code = $( '#billing_postcode' ).val()  || wc_stripe_params.billing_postcode;
+			owner.address.country     = $( '#billing_country' ).val()   || wc_stripe_params.billing_country;
+
+			return {
+				owner: owner,
+			};
+		},
+
+		/**
+		 * Initiates the creation of a Source object.
+		 *
+		 * Currently this is only used for credit cards and SEPA Direct Debit,
+		 * all other payment methods work with redirects to create sources.
+		 */
+		createSource: function() {
+			var extra_details = wc_stripe_form.getOwnerDetails();
+
+			// Handle SEPA Direct Debit payments.
+			if ( wc_stripe_form.isSepaChosen() ) {
+				extra_details.currency = $( '#stripe-sepa_debit-payment-data' ).data( 'currency' );
+				extra_details.mandate  = { notification_method: wc_stripe_params.sepa_mandate_notification };
+				extra_details.type     = 'sepa_debit';
+
+				return stripe.createSource( iban, extra_details ).then( wc_stripe_form.sourceResponse );
+			}
+
+			// Handle card payments.
+			return stripe.createSource( stripe_card, extra_details )
+				.then( wc_stripe_form.sourceResponse );
+		},
+
+		/**
+		 * Handles responses, based on source object.
+		 *
+		 * @param {Object} response The `stripe.createSource` response.
+		 */
+		sourceResponse: function( response ) {
+			if ( response.error ) {
+				$( document.body ).trigger( 'stripeError', response );
+				return;
+			}
+
+			wc_stripe_form.reset();
+
+			wc_stripe_form.form.append(
+				$( '<input type="hidden" />' )
+					.addClass( 'stripe-source' )
+					.attr( 'name', 'stripe_source' )
+					.val( response.source.id )
+			);
+
+			if ( $( 'form#add_payment_method' ).length || $( '#wc-stripe-change-payment-method' ).length ) {
+				wc_stripe_form.sourceSetup( response );
+				return;
+			}
+
+			wc_stripe_form.form.trigger( 'submit' );
+		},
+
+		/**
+		 * Authenticate Source if necessary by creating and confirming a SetupIntent.
+		 *
+		 * @param {Object} response The `stripe.createSource` response.
+		 */
+		sourceSetup: function( response ) {
+			var apiError = {
+				error: {
+					type: 'api_connection_error'
+				}
+			};
+
+			$.post( {
+				url: wc_stripe_form.getAjaxURL( 'create_setup_intent'),
+				dataType: 'json',
+				data: {
+					stripe_source_id: response.source.id,
+					nonce: wc_stripe_params.add_card_nonce,
+				},
+				error: function() {
+					$( document.body ).trigger( 'stripeError', apiError );
+				}
+			} ).done( function( serverResponse ) {
+				if ( 'success' === serverResponse.status ) {
+					if ( $( 'form#add_payment_method' ).length ) {
+						$( wc_stripe_form.form ).off( 'submit', wc_stripe_form.form.onSubmit );
+					}
+					wc_stripe_form.form.trigger( 'submit' );
+					return;
+				} else if ( 'requires_action' !== serverResponse.status ) {
+					$( document.body ).trigger( 'stripeError', serverResponse );
+					return;
+				}
+
+				stripe.confirmCardSetup( serverResponse.client_secret, { payment_method: response.source.id } )
+					.then( function( result ) {
+						if ( result.error ) {
+							$( document.body ).trigger( 'stripeError', result );
+							return;
+						}
+
+						if ( $( 'form#add_payment_method' ).length ) {
+							$( wc_stripe_form.form ).off( 'submit', wc_stripe_form.form.onSubmit );
+						}
+						wc_stripe_form.form.trigger( 'submit' );
+					} )
+					.catch( function( err ) {
+						console.log( err );
+						$( document.body ).trigger( 'stripeError', { error: err } );
+					} );
+			} );
+		},
+
+		/**
+		 * Performs payment-related actions when a checkout/payment form is being submitted.
+		 *
+		 * @return {boolean} An indicator whether the submission should proceed.
+		 *                   WooCommerce's checkout.js stops only on `false`, so this needs to be explicit.
+		 */
+		onSubmit: function() {
+			if ( ! wc_stripe_form.isStripeChosen() ) {
+				return true;
+			}
+
+			// If a source is already in place, submit the form as usual.
+			if ( wc_stripe_form.isStripeSaveCardChosen() || wc_stripe_form.hasSource() ) {
+				return true;
+			}
+
+			// For methods that needs redirect, we will create the source server side so we can obtain the order ID.
+			if (
+				wc_stripe_form.isBancontactChosen() ||
+				wc_stripe_form.isGiropayChosen() ||
+				wc_stripe_form.isIdealChosen() ||
+				wc_stripe_form.isAlipayChosen() ||
+				wc_stripe_form.isSofortChosen() ||
+				wc_stripe_form.isP24Chosen() ||
+				wc_stripe_form.isEpsChosen() ||
+				wc_stripe_form.isMultibancoChosen()
+			) {
+				return true;
+			}
+
+			wc_stripe_form.block();
+
+			if( wc_stripe_form.isBoletoChosen() ) {
+				if( ! $( '#stripe_boleto_tax_id' ).val() ) {
+					wc_stripe_form.submitError( wc_stripe_params.cpf_cnpj_required_msg );
+					wc_stripe_form.unblock();
+					return false;
+				}
+
+				wc_stripe_form.handleBoleto();
+			} else if ( wc_stripe_form.isOxxoChosen() ) {
+				wc_stripe_form.handleOxxo();
+			} else {
+				wc_stripe_form.createSource();
+			}
+
+			return false;
+		},
+
+		/**
+		 * Will show a modal for printing the Boleto.
+		 * After the customer closes the modal proceeds with checkout normally
+		 */
+		handleBoleto: function () {
+			wc_stripe_form.executeCheckout( 'boleto', function ( checkout_response ) {
+				stripe.confirmBoletoPayment(
+					checkout_response.client_secret,
+					checkout_response.confirm_payment_data
+				)
+					.then(function ( response ) {
+						wc_stripe_form.handleConfirmResponse( checkout_response, response );
+					});
+			} );
+		},
+
+		/**
+		 * Executes the checkout and then execute the callback instead of redirect to success page
+		 * @param callback
+		 */
+		executeCheckout: function ( payment_method, callback ) {
+			const formFields = wc_stripe_form.form.serializeArray().reduce( ( obj, field ) => {
+				obj[ field.name ] = field.value;
+				return obj;
+			}, {} );
+
+			if( wc_stripe_form.form.attr('id') === 'order_review' ) {
+				formFields._ajax_nonce = wc_stripe_params.updatePaymentIntentNonce;
+				formFields.order_id = wc_stripe_params.orderId;
+
+				$.ajax( {
+					url: wc_stripe_form.getAjaxURL( payment_method + '_update_payment_intent' ),
+					type: 'POST',
+					data: formFields,
+					success: function ( response ) {
+
+						if( 'success' !== response.result ) {
+							wc_stripe_form.submitError( response.messages );
+							wc_stripe_form.unblock();
+							return;
+						}
+
+						callback( response );
+					}
+				} );
+
+			} else {
+				$.ajax( {
+					url: wc_stripe_params.checkout_url,
+					type: 'POST',
+					data: formFields,
+					success: function ( checkout_response ) {
+
+						if( 'success' !== checkout_response.result ) {
+							wc_stripe_form.submitError( checkout_response.messages, true );
+							wc_stripe_form.unblock();
+							return;
+						}
+
+						callback( checkout_response );
+					}
+				} );
+			}
+		},
+
+		/**
+		 * Handles response of the Confirm<payment_method>Payment like confirmBoletoPayment and confirmOxxoPayment
+		 * @param checkout_response
+		 * @param response
+		 */
+		handleConfirmResponse: function ( checkout_response, response ) {
+			if ( response.error ) {
+				$( document.body ).trigger( 'stripeError', response );
+				return;
+			}
+
+			if ( -1 === checkout_response.redirect.indexOf( 'https://' ) || -1 === checkout_response.redirect.indexOf( 'http://' ) ) {
+				window.location = checkout_response.redirect;
+			} else {
+				window.location = decodeURI( checkout_response.redirect );
+			}
+		},
+
+		/**
+		 * Will show a modal for printing the OXXO Voucher.
+		 * After the customer closes the modal proceeds with checkout normally
+		 */
+		handleOxxo: function () {
+			wc_stripe_form.executeCheckout( 'oxxo', function ( checkout_response ) {
+				stripe.confirmOxxoPayment(
+					checkout_response.client_secret,
+					checkout_response.confirm_payment_data
+				)
+					.then(function (response) {
+						wc_stripe_form.handleConfirmResponse( checkout_response, response );
+					} );
+			} );
+		},
+
+		/**
+		 * If a new credit card is entered, reset sources.
+		 */
+		onCCFormChange: function() {
+			wc_stripe_form.reset();
+		},
+
+		/**
+		 * Removes all Stripe errors and hidden fields with IDs from the form.
+		 */
+		reset: function() {
+			$( '.wc-stripe-error, .stripe-source' ).remove();
+		},
+
+		/**
+		 * Displays a SEPA-specific error message.
+		 *
+		 * @param {Event} e The event with the error.
+		 */
+		onSepaError: function( e ) {
+			var errorContainer = wc_stripe_form.getSelectedPaymentElement().parents( 'li' ).eq( 0 ).find( '.stripe-source-errors' );
+
+			if ( ! e.error ) {
+				$( errorContainer ).html( '' );
+				return;
+			}
+
+			console.log( e.error.message ); // Leave for troubleshooting.
+			$( errorContainer ).html( '<ul class="woocommerce_error woocommerce-error wc-stripe-error"><li /></ul>' );
+			$( errorContainer ).find( 'li' ).text( e.error.message ); // Prevent XSS
+		},
+
+		/**
+		 * Displays stripe-related errors.
+		 *
+		 * @param {Event}  e      The jQuery event.
+		 * @param {Object} result The result of Stripe call.
+		 */
+		onError: function( e, result ) {
+			var message = result.error.message;
+			var selectedMethodElement = wc_stripe_form.getSelectedPaymentElement().closest( 'li' );
+			var savedTokens = selectedMethodElement.find( '.woocommerce-SavedPaymentMethods-tokenInput' );
+			var errorContainer;
+
+			var prButtonClicked = $( 'body' ).hasClass( 'woocommerce-stripe-prb-clicked' );
+			if ( prButtonClicked ) {
+				// If payment was initiated with a payment request button, display errors in the notices div.
+				$( 'body' ).removeClass( 'woocommerce-stripe-prb-clicked' );
+				errorContainer = $( 'div.woocommerce-notices-wrapper' ).first();
+			} else if ( savedTokens.length ) {
+				// In case there are saved cards too, display the message next to the correct one.
+				var selectedToken = savedTokens.filter( ':checked' );
+
+				if ( selectedToken.closest( '.woocommerce-SavedPaymentMethods-new' ).length ) {
+					// Display the error next to the CC fields if a new card is being entered.
+					errorContainer = $( '#wc-stripe-cc-form .stripe-source-errors' );
+				} else {
+					// Display the error next to the chosen saved card.
+					errorContainer = selectedToken.closest( 'li' ).find( '.stripe-source-errors' );
+				}
+			} else {
+				// When no saved cards are available, display the error next to CC fields.
+				errorContainer = selectedMethodElement.find( '.stripe-source-errors' );
+			}
+
+			/*
+			 * If payment method is SEPA and owner name is not completed,
+			 * source cannot be created. So we need to show the normal
+			 * Billing name is required error message on top of form instead
+			 * of inline.
+			 */
+			if ( wc_stripe_form.isSepaChosen() ) {
+				if ( 'invalid_owner_name' === result.error.code && wc_stripe_params.hasOwnProperty( result.error.code ) ) {
+					wc_stripe_form.submitError( wc_stripe_params[ result.error.code ] );
+					return;
+				}
+			}
+
+			// Notify users that the email is invalid.
+			if ( 'email_invalid' === result.error.code ) {
+				message = wc_stripe_params.email_invalid;
+			} else if (
+				/*
+				 * Customers do not need to know the specifics of the below type of errors
+				 * therefore return a generic localizable error message.
+				 */
+				'invalid_request_error' === result.error.type ||
+				'api_connection_error'  === result.error.type ||
+				'api_error'             === result.error.type ||
+				'authentication_error'  === result.error.type ||
+				'rate_limit_error'      === result.error.type
+			) {
+				message = wc_stripe_params.invalid_request_error;
+			}
+
+			if ( wc_stripe_params.hasOwnProperty(result.error.code) ) {
+				message = wc_stripe_params[ result.error.code ];
+			}
+
+			wc_stripe_form.reset();
+			$( '.woocommerce-NoticeGroup-checkout' ).remove();
+			console.log( result.error.message ); // Leave for troubleshooting.
+			$( errorContainer ).html( '<ul class="woocommerce_error woocommerce-error wc-stripe-error"><li /></ul>' );
+			$( errorContainer ).find( 'li' ).text( message ); // Prevent XSS
+
+			if ( $( '.wc-stripe-error' ).length ) {
+				$( 'html, body' ).animate({
+					scrollTop: ( $( '.wc-stripe-error' ).offset().top - 200 )
+				}, 200 );
+			}
+			wc_stripe_form.unblock();
+			$.unblockUI(); // If arriving via Payment Request Button.
+		},
+
+		/**
+		 * Displays an error message in the beginning of the form and scrolls to it.
+		 *
+		 * @param {Object} error_message An error message jQuery object.
+		 */
+		submitError: function( error_message, is_html = false ) {
+			if( ! is_html ) {
+				var error = $( '<div><ul class="woocommerce-error"><li /></ul></div>' );
+				error.find( 'li' ).text( error_message ); // Prevent XSS
+				error_message = error.html();
+			}
+
+			$( '.woocommerce-NoticeGroup-checkout, .woocommerce-error, .woocommerce-message' ).remove();
+			wc_stripe_form.form.prepend( '<div class="woocommerce-NoticeGroup woocommerce-NoticeGroup-checkout">' + error_message + '</div>' );
+			wc_stripe_form.form.removeClass( 'processing' ).unblock();
+			wc_stripe_form.form.find( '.input-text, select, input:checkbox' ).trigger( 'blur' );
+
+			var selector = '';
+
+			if ( $( '#add_payment_method' ).length ) {
+				selector = $( '#add_payment_method' );
+			}
+
+			if ( $( '#order_review' ).length ) {
+				selector = $( '#order_review' );
+			}
+
+			if ( $( 'form.checkout' ).length ) {
+				selector = $( 'form.checkout' );
+			}
+
+			if ( selector.length ) {
+				$( 'html, body' ).animate({
+					scrollTop: ( selector.offset().top - 100 )
+				}, 500 );
+			}
+
+			$( document.body ).trigger( 'checkout_error' );
+			wc_stripe_form.unblock();
+		},
+
+		/**
+		 * Handles changes in the hash in order to show a modal for PaymentIntent/SetupIntent confirmations.
+		 *
+		 * Listens for `hashchange` events and checks for a hash in the following format:
+		 * #confirm-pi-<intentClientSecret>:<successRedirectURL>
+		 *
+		 * If such a hash appears, the partials will be used to call `stripe.handleCardPayment`
+		 * in order to allow customers to confirm an 3DS/SCA authorization, or stripe.handleCardSetup if
+		 * what needs to be confirmed is a SetupIntent.
+		 *
+		 * Those redirects/hashes are generated in `WC_Gateway_Stripe::process_payment`.
+		 */
+		onHashChange: function() {
+			var partials = window.location.hash.match( /^#?confirm-(pi|si)-([^:]+):(.+)$/ );
+
+			if ( ! partials || 4 > partials.length ) {
+				return;
+			}
+
+			var type               = partials[1];
+			var intentClientSecret = partials[2];
+			var redirectURL        = decodeURIComponent( partials[3] );
+
+			// Cleanup the URL
+			window.location.hash = '';
+
+			wc_stripe_form.openIntentModal( intentClientSecret, redirectURL, false, 'si' === type );
+		},
+
+		maybeConfirmIntent: function() {
+			if ( ! $( '#stripe-intent-id' ).length || ! $( '#stripe-intent-return' ).length ) {
+				return;
+			}
+
+			var intentSecret = $( '#stripe-intent-id' ).val();
+			var returnURL    = $( '#stripe-intent-return' ).val();
+
+			wc_stripe_form.openIntentModal( intentSecret, returnURL, true, false );
+		},
+
+		/**
+		 * Opens the modal for PaymentIntent authorizations.
+		 *
+		 * @param {string}  intentClientSecret The client secret of the intent.
+		 * @param {string}  redirectURL        The URL to ping on fail or redirect to on success.
+		 * @param {boolean} alwaysRedirect     If set to true, an immediate redirect will happen no matter the result.
+		 *                                     If not, an error will be displayed on failure.
+		 * @param {boolean} isSetupIntent      If set to true, ameans that the flow is handling a Setup Intent.
+		 *                                     If false, it's a Payment Intent.
+		 */
+		openIntentModal: function( intentClientSecret, redirectURL, alwaysRedirect, isSetupIntent ) {
+			stripe[ isSetupIntent ? 'handleCardSetup' : 'handleCardPayment' ]( intentClientSecret )
+				.then( function( response ) {
+					if ( response.error ) {
+						throw response.error;
+					}
+
+					var intent = response[ isSetupIntent ? 'setupIntent' : 'paymentIntent' ];
+					if ( 'requires_capture' !== intent.status && 'succeeded' !== intent.status ) {
+						return;
+					}
+
+					window.location = redirectURL;
+				} )
+				.catch( function( error ) {
+					if ( alwaysRedirect ) {
+						window.location = redirectURL;
+						return;
+					}
+
+					$( document.body ).trigger( 'stripeError', { error: error } );
+					wc_stripe_form.form && wc_stripe_form.form.removeClass( 'processing' );
+
+					// Report back to the server.
+					$.get( redirectURL + '&is_ajax' );
+				} );
+		},
+
+		/**
+		 * Prevents the standard behavior of the "Renew Now" button in the
+		 * early renewals modal by using AJAX instead of a simple redirect.
+		 *
+		 * @param {Event} e The event that occured.
+		 */
+		onEarlyRenewalSubmit: function( e ) {
+			e.preventDefault();
+
+			$.ajax( {
+				url: $( '#early_renewal_modal_submit' ).attr( 'href' ),
+				method: 'get',
+				success: function( html ) {
+					var response = JSON.parse( html );
+
+					if ( response.stripe_sca_required ) {
+						wc_stripe_form.openIntentModal( response.intent_secret, response.redirect_url, true, false );
+					} else {
+						window.location = response.redirect_url;
+					}
+				},
+			} );
+
+			return false;
+		},
+	};
+
+	wc_stripe_form.init();
+} );