[K/JS, TEST] Enable TS export tests for FIR ^KT-64421 Fixed

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/export/ExportModelGenerator.kt

@@ -303,6 +303,7 @@ class ExportModelGenerator(val context: JsIrBackendContext, val generateNamespac
         specialProcessing: (IrDeclarationWithName) -> ExportedDeclaration? = { null }
     ): ExportedClassDeclarationsInfo {
         val members = mutableListOf<ExportedDeclaration>()
+        val specialMembers = mutableListOf<ExportedDeclaration>()
         val nestedClasses = mutableListOf<ExportedClass>()
         val isImplicitlyExportedClass = klass.isJsImplicitExport()
 
@@ -314,7 +315,7 @@ class ExportModelGenerator(val context: JsIrBackendContext, val generateNamespac
 
             val processingResult = specialProcessing(candidate)
             if (processingResult != null) {
-                members.add(processingResult)
+                specialMembers.add(processingResult)
                 continue
             }
 
@@ -362,7 +363,7 @@ class ExportModelGenerator(val context: JsIrBackendContext, val generateNamespac
         }
 
         return ExportedClassDeclarationsInfo(
-            members,
+            specialMembers + members,
             nestedClasses
         )
     }
@@ -496,7 +497,7 @@ class ExportModelGenerator(val context: JsIrBackendContext, val generateNamespac
                         "ordinal" -> enumEntriesToOrdinal
                             .map { (_, ordinal) -> ExportedType.LiteralType.NumberLiteralType(ordinal) }
                             .reduce { acc: ExportedType, s: ExportedType -> ExportedType.UnionType(acc, s) }
-                        else -> null
+                        else -> return null
                     }
                     exportPropertyUnsafely(
                         candidate,

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/export/ExportModelToTsDeclarations.kt

@@ -300,7 +300,8 @@ class ExportModelToTsDeclarations {
 
         val (innerClasses, nonInnerClasses) = nestedDeclarations.partition { it.ir.isInner }
         val innerClassesProperties = innerClasses.map { it.toReadonlyProperty() }
-        val membersString = (members + innerClassesProperties).joinToString("") { it.toTypeScript("$indent    ") + "\n" }
+        val membersString = (members + innerClassesProperties)
+            .joinToString("") { it.toTypeScript("$indent    ") + "\n" }
 
         // If there are no exported constructors, add a private constructor to disable default one
         val privateCtorString = if (!isInterface && !isAbstract && members.none { it is ExportedConstructor }) {