[JS IR] Export enum members like from usual classes

^KT-37916 fixed
^KT-44494 fixed

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/JsClassGenerator.kt

@@ -100,7 +100,7 @@ class JsClassGenerator(private val irClass: IrClass, val context: JsGenerationCo
 
         classBlock.statements += generateClassMetadata()
 
-        if (!irClass.isInterface && !irClass.isEnumClass && !irClass.isEnumEntry) {
+        if (!irClass.isInterface && !irClass.isEnumEntry) {
             for (property in properties) {
                 if (property.getter?.extensionReceiverParameter != null || property.setter?.extensionReceiverParameter != null)
                     continue

js/js.translator/testData/box/export/exportEnumClass.kt

@@ -12,13 +12,32 @@ enum class Foo {
 
     val foo = ordinal
 
-    fun bar() = name
+    fun bar(value: String) = value
+
+    fun bay() = name
 
     companion object {
         val baz = "baz"
     }
 }
 
+@JsExport
+enum class Bar {
+    A,
+    B {
+        var d = "d"
+        init {
+            d = "d2"
+        }
+    };
+
+    val foo = ordinal
+
+    fun bar(value: String) = value
+
+    fun bay() = name
+}
+
 // FILE: test.js
 function box() {
     if (this["export-enum-class"].Foo.A !== this["export-enum-class"].Foo.A) return "fail1"
@@ -29,6 +48,22 @@ function box() {
     if (this["export-enum-class"].Foo.A.foo !== 0) return "fail4"
     if (this["export-enum-class"].Foo.B.foo !== 1) return "fail5"
 
-    if (this["export-enum-class"].Foo.A.bar() !== "A") return "fail6"
-    if (this["export-enum-class"].Foo.B.bar() !== "B") return "fail7"
+    if (this["export-enum-class"].Foo.A.bar("A") !== "A") return "fail6"
+    if (this["export-enum-class"].Foo.B.bar("B") !== "B") return "fail7"
+
+    if (this["export-enum-class"].Foo.A.bay() !== "A") return "fail8"
+    if (this["export-enum-class"].Foo.B.bay() !== "B") return "fail9"
+
+    if (this["export-enum-class"].Bar.A.foo !== 0) return "fail10"
+    if (this["export-enum-class"].Bar.B.foo !== 1) return "fail11"
+
+    if (this["export-enum-class"].Bar.A.bar("A") !== "A") return "fail12"
+    if (this["export-enum-class"].Bar.B.bar("B") !== "B") return "fail13"
+
+    if (this["export-enum-class"].Bar.A.bay() !== "A") return "fail14"
+    if (this["export-enum-class"].Bar.B.bay() !== "B") return "fail15"
+
+    if (this["export-enum-class"].Bar.B.constructor.prototype.hasOwnProperty('baz')) return "fail16"
+
+    return "OK"
 }