ios

ios/CardFieldManager.m

@@ -5,6 +5,7 @@
 @interface RCT_EXTERN_MODULE(CardFieldManager, RCTViewManager)
 RCT_EXPORT_VIEW_PROPERTY(postalCodeEnabled, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(countryCode, NSString)
+RCT_EXPORT_VIEW_PROPERTY(defaultValues, NSDictionary)
 RCT_EXPORT_VIEW_PROPERTY(onCardChange, RCTDirectEventBlock)
 RCT_EXPORT_VIEW_PROPERTY(onFocusChange, RCTDirectEventBlock)
 RCT_EXPORT_VIEW_PROPERTY(cardStyle, NSDictionary)

ios/CardFieldView.swift

@@ -24,6 +24,13 @@ class CardFieldView: UIView, STPPaymentCardTextFieldDelegate {
         }
     }
 
+    @objc var defaultValues: NSDictionary? {
+        didSet {
+            cardField.cardParams = Mappers.mapToCardParams(defaultValues)
+            cardField.postalCode = defaultValues?["postalCode"] as? String
+        }
+    }
+
     @objc var placeholders: NSDictionary = NSDictionary() {
         didSet {
             if let numberPlaceholder = placeholders["number"] as? String {

ios/CardFormManager.m

@@ -5,6 +5,7 @@
 @interface RCT_EXTERN_MODULE(CardFormManager, RCTViewManager)
 RCT_EXPORT_VIEW_PROPERTY(onFormComplete, RCTDirectEventBlock)
 RCT_EXPORT_VIEW_PROPERTY(dangerouslyGetFullCardDetails, BOOL)
+RCT_EXPORT_VIEW_PROPERTY(defaultValues, NSDictionary)
 RCT_EXPORT_VIEW_PROPERTY(autofocus, BOOL)
 RCT_EXPORT_VIEW_PROPERTY(isUserInteractionEnabledValue, BOOL)
 RCT_EXTERN_METHOD(focus:(nonnull NSNumber*) reactTag)

ios/CardFormView.swift

@@ -11,7 +11,8 @@ class CardFormView: UIView, STPCardFormViewDelegate {
     @objc var onFormComplete: RCTDirectEventBlock?
     @objc var autofocus: Bool = false
     @objc var isUserInteractionEnabledValue: Bool = true
-
+    @objc var defaultValues: NSDictionary?
+
     override func didSetProps(_ changedProps: [String]!) {
         if let cardForm = self.cardForm {
             cardForm.removeFromSuperview()
@@ -29,14 +30,15 @@ class CardFormView: UIView, STPCardFormViewDelegate {
         self.cardForm = _cardForm
         self.addSubview(_cardForm)
         setStyles()
+        setDefaultValues()
     }
 
     @objc var cardStyle: NSDictionary = NSDictionary() {
         didSet {
            setStyles()
         }
     }
-
+    
     func cardFormView(_ form: STPCardFormView, didChangeToStateComplete complete: Bool) {
         if onFormComplete != nil {
             let brand = STPCardValidator.brand(forNumber: cardForm?.cardParams?.card?.number ?? "")
@@ -100,6 +102,20 @@ class CardFormView: UIView, STPCardFormViewDelegate {
         // }
     }
 
+    func setDefaultValues() {
+        guard let cardForm = cardForm else { return }
+
+        let card = Mappers.mapToCardParams(defaultValues)
+
+        let address = STPPaymentMethodAddress()
+        address.postalCode = defaultValues?["postalCode"] as? String
+
+        let billingDetails = STPPaymentMethodBillingDetails()
+        billingDetails.address = address
+
+        cardForm.cardParams = STPPaymentMethodParams.init(card: card, billingDetails: billingDetails, metadata: nil)
+    }
+
     override init(frame: CGRect) {
         super.init(frame: frame)
     }

ios/Mappers.swift

@@ -986,4 +986,17 @@ class Mappers {
             default: return STPPaymentMethodUSBankAccountType.checking
         }
     }
+
+    class func mapToCardParams(_ input: NSDictionary?) -> STPPaymentMethodCardParams {
+        let params = STPPaymentMethodCardParams()
+        params.cvc = input?["cvc"] as? String
+        params.number = input?["number"] as? String
+        if let month = input?["expiryMonth"] as? String {
+            params.expMonth = NSNumber(value: Int(month) ?? 0)
+        }
+        if let year = input?["expiryYear"] as? String {
+            params.expYear = NSNumber(value: Int(year) ?? 0)
+        }
+        return params
+    }
 }