⭐️ Impl: Add RNIGenericErrorDefaultable+Default

ios/src_library/React Native/RNIError/RNIGenericErrorCode.swift

@@ -11,6 +11,6 @@ import Foundation
 public enum RNIGenericErrorCode:
   String, Codable, CaseIterable, RNIGenericErrorDefaultable {
 
-  case runtimeError, libraryError, reactError, unknownError,
-       invalidArgument, outOfBounds, invalidReactTag, nilValue;
+  // placeholder
+  case unspecified;
 };

ios/src_library/React Native/RNIError/RNIGenericErrorDefaultable+Default.swift

@@ -0,0 +1,42 @@
+//
+//  RNIGenericErrorDefaultable+Default.swift
+//  react-native-ios-modal
+//
+//  Created by Dominic Go on 5/10/23.
+//
+
+import Foundation
+
+public extension RNIGenericErrorDefaultable {
+  static var runtimeError: Self {
+    Self.runtimeError
+  };
+
+  static var libraryError: Self {
+    Self.libraryError
+  };
+
+  static var reactError: Self {
+    Self.reactError
+  };
+
+  static var unknownError: Self {
+    Self.unknownError
+  };
+
+  static var invalidArgument: Self {
+    Self.invalidArgument
+  };
+
+  static var outOfBounds: Self {
+    Self.outOfBounds
+  };
+
+  static var invalidReactTag: Self {
+    Self.invalidReactTag
+  };
+
+  static var nilValue: Self {
+    Self.nilValue
+  };
+};