[K/JS] Fixate wrong behavior of exporting interfaces with companions with ESM

Author: JSMonk

js/js.translator/testData/typescript-export/js/module-systems-in-exported-file/esm.d.ts

@@ -75,6 +75,21 @@ export declare namespace Parent {
         }
     }
 }
+export declare interface AnInterfaceWithCompanion {
+    readonly __doNotUseOrImplementIt: {
+        readonly "foo.AnInterfaceWithCompanion": unique symbol;
+    };
+}
+export declare abstract class AnInterfaceWithCompanion extends KtSingleton<AnInterfaceWithCompanion.$metadata$.constructor>() {
+    private constructor();
+}
+/** @deprecated $metadata$ is used for internal purposes, please don't use it in your code, because it can be removed at any moment */
+export declare namespace AnInterfaceWithCompanion.$metadata$ {
+    abstract class constructor {
+        get someValue(): string;
+        private constructor();
+    }
+}
 export declare function box(): string;
 export declare function asyncList(): Promise<KtList<number>>;
 export declare function arrayOfLists(): Array<KtList<number>>;

js/js.translator/testData/typescript-export/js/module-systems-in-exported-file/esm.kt

@@ -40,6 +40,13 @@ object Parent {
 }
 
 
+interface AnInterfaceWithCompanion {
+    companion object {
+        val someValue = "OK"
+    }
+}
+
+
 fun box(): String = "OK"
 
 

js/js.translator/testData/typescript-export/js/module-systems/esm.d.ts

@@ -75,6 +75,21 @@ export declare namespace Parent {
         }
     }
 }
+export declare interface AnInterfaceWithCompanion {
+    readonly __doNotUseOrImplementIt: {
+        readonly "foo.AnInterfaceWithCompanion": unique symbol;
+    };
+}
+export declare abstract class AnInterfaceWithCompanion extends KtSingleton<AnInterfaceWithCompanion.$metadata$.constructor>() {
+    private constructor();
+}
+/** @deprecated $metadata$ is used for internal purposes, please don't use it in your code, because it can be removed at any moment */
+export declare namespace AnInterfaceWithCompanion.$metadata$ {
+    abstract class constructor {
+        get someValue(): string;
+        private constructor();
+    }
+}
 export declare function box(): string;
 export declare function asyncList(): Promise<KtList<number>>;
 export declare function arrayOfLists(): Array<KtList<number>>;

js/js.translator/testData/typescript-export/js/module-systems/esm.kt

@@ -34,6 +34,13 @@ object Parent {
     }
 }
 
+@JsExport
+interface AnInterfaceWithCompanion {
+    companion object {
+        val someValue = "OK"
+    }
+}
+
 @JsExport
 fun box(): String = "OK"