iOS error code passthrough

android/src/main/java/com/stripeterminalreactnative/StripeTerminalReactNativeModule.kt

@@ -164,7 +164,7 @@ class StripeTerminalReactNativeModule(reactContext: ReactApplicationContext) :
             promise.resolve(
                 createError(
                     TerminalException(
-                        TerminalException.TerminalErrorCode.CANCELED,
+                        TerminalException.TerminalErrorCode.CANCEL_FAILED,
                         "collectPaymentMethod could not be canceled because the command has already been canceled or has completed."
                     )
                 )
@@ -189,7 +189,7 @@ class StripeTerminalReactNativeModule(reactContext: ReactApplicationContext) :
             promise.resolve(
                 createError(
                     TerminalException(
-                        TerminalException.TerminalErrorCode.CANCELED,
+                        TerminalException.TerminalErrorCode.CANCEL_FAILED,
                         "collectSetupIntent could not be canceled because the command has already been canceled or has completed."
                     )
                 )
@@ -294,7 +294,7 @@ class StripeTerminalReactNativeModule(reactContext: ReactApplicationContext) :
             promise.resolve(
                 createError(
                     TerminalException(
-                        TerminalException.TerminalErrorCode.CANCELED,
+                        TerminalException.TerminalErrorCode.CANCEL_FAILED,
                         "discoverReaders could not be canceled because the command has already been canceled or has completed."
                     )
                 )
@@ -693,7 +693,7 @@ class StripeTerminalReactNativeModule(reactContext: ReactApplicationContext) :
             promise.resolve(
                 createError(
                     TerminalException(
-                        TerminalException.TerminalErrorCode.CANCELED,
+                        TerminalException.TerminalErrorCode.CANCEL_FAILED,
                         "readReusableCard could not be canceled because the command has already been canceled or has completed."
                     )
                 )

ios/Errors.swift

@@ -1,5 +1,7 @@
+import StripeTerminal
+
 enum CommonErrorType: String {
-    case Failed, Canceled, Unknown
+    case InvalidRequiredParameter
 }
 
 class Errors {
@@ -15,11 +17,158 @@ class Errors {
         return joined.isEmpty ? nil : joined
     }
 
-    class func createError(code: String, message: String) -> NSDictionary {
+    class func createError(code: ErrorCode.Code, message: String) -> NSDictionary {
+        return createError(errorCode: code.stringValue, message: message)
+    }
+
+    class func createError(code: CommonErrorType, message: String) -> NSDictionary {
+        return createError(errorCode: code.rawValue, message: message)
+    }
+
+    class func createError(nsError: NSError) -> NSDictionary {
+        return createError(code: ErrorCode.Code.init(rawValue: nsError.code) ?? ErrorCode.unexpectedSdkError, message: nsError.localizedDescription)
+    }
+
+    private class func createError(errorCode: String, message: String) -> NSDictionary {
         let error: NSDictionary = [
-            "code": code,
+            "code": errorCode,
             "message": message
         ]
         return ["error": error]
     }
 }
+
+extension ErrorCode.Code {
+    var stringValue: String {
+        switch self {
+        case .busy:
+            return "Busy"
+        case .cancelFailedAlreadyCompleted:
+            return "CancelFailedAlreadyCompleted"
+        case .notConnectedToReader:
+            return "NotConnectedToReader"
+        case .alreadyConnectedToReader:
+            return "AlreadyConnectedToReader"
+        case .connectionTokenProviderCompletedWithNothing:
+            return "ConnectionTokenProviderCompletedWithNothing"
+        case .processInvalidPaymentIntent:
+            return "ProcessInvalidPaymentIntent"
+        case .nilPaymentIntent:
+            return "NilPaymentIntent"
+        case .nilSetupIntent:
+            return "NilSetupIntent"
+        case .nilRefundPaymentMethod:
+            return "NilRefundPaymentMethod"
+        case .invalidRefundParameters:
+            return "InvalidRefundParameters"
+        case .invalidClientSecret:
+            return "InvalidClientSecret"
+        case .mustBeDiscoveringToConnect:
+            return "MustBeDiscoveringToConnect"
+        case .cannotConnectToUndiscoveredReader:
+            return "CannotConnectToUndiscoveredReader"
+        case .invalidDiscoveryConfiguration:
+            return "InvalidDiscoveryConfiguration"
+        case .invalidReaderForUpdate:
+            return "InvalidReaderForUpdate"
+        case .unsupportedSDK:
+            return "UnsupportedSDK"
+        case .featureNotAvailableWithConnectedReader:
+            return "FeatureNotAvailableWithConnectedReader"
+        case .featureNotAvailable:
+            return "FeatureNotAvailable"
+        case .invalidListLocationsLimitParameter:
+            return "InvalidListLocationsLimitParameter"
+        case .bluetoothConnectionInvalidLocationIdParameter:
+            return "BluetoothConnectionInvalidLocationIdParameter"
+        case .canceled:
+            return "Canceled"
+        case .locationServicesDisabled:
+            return "LocationServicesDisabled"
+        case .bluetoothDisabled:
+            return "BluetoothDisabled"
+        case .bluetoothAccessDenied:
+            return "BluetoothAccessDenied"
+        case .bluetoothScanTimedOut:
+            return "BluetoothScanTimedOut"
+        case .bluetoothLowEnergyUnsupported:
+            return "BluetoothLowEnergyUnsupported"
+        case .readerSoftwareUpdateFailedBatteryLow:
+            return "ReaderSoftwareUpdateFailedBatteryLow"
+        case .readerSoftwareUpdateFailedInterrupted:
+            return "ReaderSoftwareUpdateFailedInterrupted"
+        case .readerSoftwareUpdateFailedExpiredUpdate:
+            return "ReaderSoftwareUpdateFailedExpiredUpdate"
+        case .bluetoothConnectionFailedBatteryCriticallyLow:
+            return "BluetoothConnectionFailedBatteryCriticallyLow"
+        case .cardInsertNotRead:
+            return "CardInsertNotRead"
+        case .cardSwipeNotRead:
+            return "CardSwipeNotRead"
+        case .cardReadTimedOut:
+            return "CardReadTimedOut"
+        case .cardRemoved:
+            return "CardRemoved"
+        case .cardLeftInReader:
+            return "CardLeftInReader"
+        case .readerBusy:
+            return "ReaderBusy"
+        case .incompatibleReader:
+            return "IncompatibleReader"
+        case .readerCommunicationError:
+            return "ReaderCommunicationError"
+        case .bluetoothError:
+            return "BluetoothError"
+        case .bluetoothConnectTimedOut:
+            return "BluetoothConnectTimedOut"
+        case .bluetoothDisconnected:
+            return "BluetoothDisconnected"
+        case .bluetoothPeerRemovedPairingInformation:
+            return "BluetoothPeerRemovedPairingInformation"
+        case .bluetoothAlreadyPairedWithAnotherDevice:
+            return "BluetoothAlreadyPairedWithAnotherDevice"
+        case .readerSoftwareUpdateFailed:
+            return "ReaderSoftwareUpdateFailed"
+        case .readerSoftwareUpdateFailedReaderError:
+            return "ReaderSoftwareUpdateFailedReaderError"
+        case .readerSoftwareUpdateFailedServerError:
+            return "ReaderSoftwareUpdateFailedServerError"
+        case .unsupportedReaderVersion:
+            return "UnsupportedReaderVersion"
+        case .unknownReaderIpAddress:
+            return "UnknownReaderIpAddress"
+        case .internetConnectTimeOut:
+            return "InternetConnectTimeOut"
+        case .connectFailedReaderIsInUse:
+            return "ConnectFailedReaderIsInUse"
+        case .unexpectedSdkError:
+            return "UnexpectedSdkError"
+        case .unexpectedReaderError:
+            return "UnexpectedReaderError"
+        case .declinedByStripeAPI:
+            return "DeclinedByStripeAPI"
+        case .declinedByReader:
+            return "DeclinedByReader"
+        case .commandRequiresCardholderConsent:
+            return "CommandRequiresCardholderConsent"
+        case .refundFailed:
+            return "RefundFailed"
+        case .notConnectedToInternet:
+            return "NotConnectedToInternet"
+        case .requestTimedOut:
+            return "RequestTimedOut"
+        case .stripeAPIError:
+            return "StripeAPIError"
+        case .stripeAPIResponseDecodingError:
+            return "StripeAPIResponseDecodingError"
+        case .internalNetworkError:
+            return "InternalNetworkError"
+        case .connectionTokenProviderCompletedWithError:
+            return "ConnectionTokenProviderCompletedWithError"
+        case .sessionExpired:
+            return "SessionExpired"
+        @unknown default:
+            return "Unknown"
+        }
+    }
+}