[K/JS] Fix initialization issue for objects which annotated with @JsExport and contain nested classes

Merge-request: KT-MR-11146
Merged-by: Artem Kobzar <Artem.Kobzar@jetbrains.com>

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

@@ -119,11 +119,7 @@ class ExportModelToJsStatements(
             is ExportedObject -> {
                 require(namespace != null || esModules) { "Only namespaced properties are allowed" }
                 val (name, objectClassInitialization) = declaration.getNameAndInitialization()
-                val newNameSpace = when {
+                val newNameSpace = jsElementAccess(Namer.PROTOTYPE_NAME, name.makeRef())
-                    namespace != null -> jsElementAccess(declaration.name, namespace)
-                    else ->
-                        jsElementAccess(Namer.PROTOTYPE_NAME, name.makeRef())
-                }
                 val staticsExport =
                     declaration.nestedClasses.flatMap { generateDeclarationExport(it, newNameSpace, esModules, declaration.ir) }
 
@@ -256,11 +252,11 @@ class ExportModelToJsStatements(
 
     private fun ExportedClass.getNameAndInitialization(): Pair<JsName, JsStatement?> {
         return when (val classRef = ir.getClassRef(staticContext)) {
-            !is JsNameRef -> {
+            is JsNameRef -> classRef.name!! to null
+            else -> {
                 val stableName = JsName(name, true)
                 stableName to JsVars(JsVars.JsVar(stableName, classRef))
             }
-            else -> classRef.name!! to null
         }
     }
 

js/js.translator/testData/box/classObject/objectLazyInitialized.kt

@@ -2,8 +2,6 @@
 // See KT-6201
 package foo
 
-import kotlin.reflect.KProperty
-
 var log = ""
 
 open class Mixin {
@@ -39,8 +37,20 @@ object O5 {
     val someValue = O3.also { log = "O5 also" }
 }
 
+@JsExport
+object O6 {
+   init {
+       log = "O6 init"
+   }
+   object O7 {
+       init {
+           log = "O7 init"
+       }
+   }
+}
+
 fun box(): String {
-    if (log != "") return "Fail: something was initialized before any object was used"
+    if (log != "") return "Fail: something was initialized before any object was used: $log"
     O1
     if (log != "O1 init") return "Fail: O1 didn't initialized lazy"
     O2
@@ -51,5 +61,10 @@ fun box(): String {
     if (log != "initCall") return "Fail: O4 didn't initialized lazy"
     O5
     if (log != "O5 also") return "Fail: O5 didn't initialized lazy"
+    O6
+    if (log != "O6 init") return "Fail: O6 didn't initialized lazy"
+    O6.O7
+    if (log != "O7 init") return "Fail: O7 didn't initialized lazy"
+
     return "OK"
 }