[Non-breaking] Added async method to CustomerSheet

Author: yuki-stripe

CHANGELOG_v25_draft.md

@@ -6,3 +6,7 @@ This major version introduces many small breaking changes. Please see [MIGRATING
 * [Changed] Replaced `IntentConfiguration.ConfirmHandler` with an async equivalent.
 * [Added] Added async versions of all completion-block-based PaymentSheet and PaymentSheet.FlowController methods.
 
+### CustomerSheet
+* [Added] Added an async version of `present(from:)`.
+
+

StripePaymentSheet/StripePaymentSheet/Source/PaymentSheet/CustomerSheet/CustomerSheet.swift

@@ -125,6 +125,14 @@ public class CustomerSheet {
         case error(Error)
     }
 
+    public func present(from presentingViewController: UIViewController) async -> CustomerSheetResult {
+        await withCheckedContinuation { continuation in
+            present(from: presentingViewController) { result in
+                continuation.resume(returning: result)
+            }
+        }
+    }
+
     public func present(from presentingViewController: UIViewController,
                         completion csCompletion: @escaping (CustomerSheetResult) -> Void
     ) {