Update from official release.

js/uc_stripe_process_payment.js

@@ -0,0 +1,91 @@
+/**
+ * @file
+ * uc_stripe.js
+ *
+ * Handles all interactions with Stripe on the client side for PCI-DSS compliance
+ */
+(function ($) {
+
+  Drupal.behaviors.uc_stripe_process_payment = {
+    attach: function (context) {
+      
+      $('#uc-cart-checkout-review-form, #uc-stripe-authenticate-payment-form', context).once('uc_stripe', function(){
+        
+        if (Drupal.settings && Drupal.settings.uc_stripe ) {
+          var apikey = Drupal.settings.uc_stripe.apikey;
+          var methodId = Drupal.settings.uc_stripe.methodId;
+          var orderId = Drupal.settings.uc_stripe.orderId
+          var stripe = Stripe(apikey);
+        }
+        
+        var submitButton = $('#edit-submit');
+        var processed = false;
+
+        submitButton.click(function (e) {
+          if(!processed){
+            e.preventDefault();
+            
+            $.ajax({
+              url: '/uc_stripe/ajax/confirm_payment',
+              type: "POST",
+              data: JSON.stringify({ payment_method_id: methodId, order_id: orderId }),
+              contentType: 'application/json;',
+              dataType: 'json',
+              success: function(result){
+                handleServerResponse(result);
+              },
+              error: function(result){
+                handleServerResponse(result);
+              }
+            })
+            
+          }
+          
+      });
+
+        function handleServerResponse(response) {
+          if (response.error) {
+            processed = true;
+            submitButton.click();
+            // Show error from server on payment form
+          } else if (response.requires_action) {
+            // Use Stripe.js to handle required card action
+            stripe.handleCardAction(
+              response.payment_intent_client_secret
+            ).then(function(result) {
+              if (result.error) {
+                // Show error in payment form
+                processed = true;
+                submitButton.click();
+              } else {
+                // The card action has been handled
+                // The PaymentIntent can be confirmed again on the server
+                $.ajax({
+                  url: '/uc_stripe/ajax/confirm_payment',
+                  type: 'POST',
+                  data: JSON.stringify({ payment_intent_id: result.paymentIntent.id, order_id: orderId }),
+                  contentType: 'application/json;',
+                  dataType: 'json',
+                  success: function(confirmResult){
+                    return handleServerResponse(confirmResult);
+                  },
+                  error: function(confirmResult){
+                    return handleServerResponse(confirmResult);
+                  },
+                })
+              }
+            });
+          } else {
+            // Show success message
+            processed = true;
+            submitButton.click();
+          }
+        }
+
+      });
+      
+    },
+
+  };
+
+}(jQuery));