feat: Add companion object to Kotlin enums/structs (#1084)

Author: mrousavy

packages/nitrogen/src/syntax/kotlin/KotlinEnum.ts

@@ -24,6 +24,8 @@ import com.facebook.proguard.annotations.DoNotStrip
 @Keep
 enum class ${enumType.enumName}(@DoNotStrip @Keep val value: Int) {
   ${indent(members.join(',\n'), '  ')};
+
+  companion object
 }
   `.trim()
 

packages/nitrogen/src/syntax/kotlin/KotlinStruct.ts

@@ -64,7 +64,7 @@ data class ${structType.structName}(
 ) {
   ${indent(secondaryConstructor, '  ')}
 
-  private companion object {
+  companion object {
     /**
      * Constructor called from C++
      */

packages/react-native-nitro-test/nitrogen/generated/android/kotlin/com/margelo/nitro/test/Car.kt

@@ -53,7 +53,7 @@ data class Car(
 ) {
   /* primary constructor */
 
-  private companion object {
+  companion object {
     /**
      * Constructor called from C++
      */

packages/react-native-nitro-test/nitrogen/generated/android/kotlin/com/margelo/nitro/test/ColorScheme.kt

@@ -18,4 +18,6 @@ import com.facebook.proguard.annotations.DoNotStrip
 enum class ColorScheme(@DoNotStrip @Keep val value: Int) {
   LIGHT(0),
   DARK(1);
+
+  companion object
 }

packages/react-native-nitro-test/nitrogen/generated/android/kotlin/com/margelo/nitro/test/ExternalObjectStruct.kt

@@ -23,7 +23,7 @@ data class ExternalObjectStruct(
 ) {
   /* primary constructor */
 
-  private companion object {
+  companion object {
     /**
      * Constructor called from C++
      */

packages/react-native-nitro-test/nitrogen/generated/android/kotlin/com/margelo/nitro/test/JsStyleStruct.kt

@@ -30,7 +30,7 @@ data class JsStyleStruct(
   constructor(value: Double, onChanged: (num: Double) -> Unit):
          this(value, Func_void_double_java(onChanged))
 
-  private companion object {
+  companion object {
     /**
      * Constructor called from C++
      */

packages/react-native-nitro-test/nitrogen/generated/android/kotlin/com/margelo/nitro/test/MapWrapper.kt

@@ -26,7 +26,7 @@ data class MapWrapper(
 ) {
   /* primary constructor */
 
-  private companion object {
+  companion object {
     /**
      * Constructor called from C++
      */

packages/react-native-nitro-test/nitrogen/generated/android/kotlin/com/margelo/nitro/test/OldEnum.kt

@@ -19,4 +19,6 @@ enum class OldEnum(@DoNotStrip @Keep val value: Int) {
   FIRST(0),
   SECOND(1),
   THIRD(2);
+
+  companion object
 }

packages/react-native-nitro-test/nitrogen/generated/android/kotlin/com/margelo/nitro/test/OptionalCallback.kt

@@ -23,7 +23,7 @@ data class OptionalCallback(
 ) {
   /* primary constructor */
 
-  private companion object {
+  companion object {
     /**
      * Constructor called from C++
      */

packages/react-native-nitro-test/nitrogen/generated/android/kotlin/com/margelo/nitro/test/OptionalWrapper.kt

@@ -26,7 +26,7 @@ data class OptionalWrapper(
 ) {
   /* primary constructor */
 
-  private companion object {
+  companion object {
     /**
      * Constructor called from C++
      */