[JS IR] Support object declaration export

Fixes KT-39117 and KT-39367

js/js.translator/testData/box/jsName/avoidNameClash.kt

@@ -1,9 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1290
 
-// TODO: Support JsExport on object declarations: KT-39117
-// IGNORE_BACKEND: JS_IR
-// IGNORE_BACKEND: JS_IR_ES6
-
 @JsExport
 object A {
     @JsName("js_method") fun f() = "method"

js/js.translator/testData/box/jsName/simpleJsName.kt

@@ -1,9 +1,5 @@
 // EXPECTED_REACHABLE_NODES: 1291
 
-// TODO: Support JsExport on object declarations: KT-39117
-// IGNORE_BACKEND: JS_IR
-// IGNORE_BACKEND: JS_IR_ES6
-
 @JsExport
 object A {
     @JsName("js_f") fun f(x: Int) = "f($x)"

js/js.translator/testData/typescript-export/declarations/declarations.d.ts

@@ -42,5 +42,12 @@ declare namespace JS_TESTS {
             _varCustom: number;
             _varCustomWithField: number;
         }
+        const O0: {
+        };
+        const O: {
+            readonly x: number;
+            foo(): number;
+        };
+        function takesO(o: typeof foo.O): number;
     }
 }

js/js.translator/testData/typescript-export/declarations/declarations.kt

@@ -82,4 +82,15 @@ class A4 {
     var _varCustomWithField: Int = 1
         get() = field * 10
         set(value) { field = value * 10 }
-}
+}
+
+
+object O0
+
+object O {
+    val x = 10
+    fun foo() = 20
+}
+
+fun takesO(o: O): Int =
+    O.x + O.foo()

js/js.translator/testData/typescript-export/declarations/declarations__main.js

@@ -20,6 +20,8 @@ var A3 = JS_TESTS.foo.A3;
 var _valCustom = JS_TESTS.foo._valCustom;
 var _valCustomWithField = JS_TESTS.foo._valCustomWithField;
 var A4 = JS_TESTS.foo.A4;
+var O = JS_TESTS.foo.O;
+var takesO = JS_TESTS.foo.takesO;
 function assert(condition) {
     if (!condition) {
         throw "Assertion failed";
@@ -75,5 +77,8 @@ function box() {
     assert(a4._varCustomWithField === 10);
     a4._varCustomWithField = 10;
     assert(a4._varCustomWithField === 1000);
+    assert(O.x === 10);
+    assert(O.foo() === 20);
+    assert(takesO(O) === 30);
     return "OK";
 }

js/js.translator/testData/typescript-export/declarations/declarations__main.ts

@@ -20,6 +20,8 @@ import A3 = JS_TESTS.foo.A3;
 import _valCustom = JS_TESTS.foo._valCustom;
 import _valCustomWithField = JS_TESTS.foo._valCustomWithField;
 import A4 = JS_TESTS.foo.A4;
+import O = JS_TESTS.foo.O;
+import takesO = JS_TESTS.foo.takesO;
 
 function assert(condition: boolean) {
     if (!condition) {
@@ -86,5 +88,9 @@ function box(): string {
     a4._varCustomWithField = 10;
     assert(a4._varCustomWithField === 1000);
 
+    assert(O.x === 10);
+    assert(O.foo() === 20);
+    assert(takesO(O) === 30);
+
     return "OK";
 }

js/js.translator/testData/typescript-export/inheritance/inheritance.d.ts

@@ -30,5 +30,10 @@ declare namespace JS_TESTS {
         class FC extends foo.OC {
             constructor();
         }
+        const O1: {
+        } & foo.OC;
+        const O2: {
+            foo(): number;
+        } & foo.OC;
     }
 }

js/js.translator/testData/typescript-export/inheritance/inheritance.kt

@@ -40,4 +40,10 @@ open class OC(
     private fun privateFun(): String = "privateFun"
 }
 
-final class FC : OC(true, "FC")
+final class FC : OC(true, "FC")
+
+object O1 : OC(true, "O1")
+
+object O2 : OC(true, "O2") {
+    fun foo(): Int = 10
+}

js/js.translator/testData/typescript-export/inheritance/inheritance__main.js

@@ -15,6 +15,8 @@ var __extends = (this && this.__extends) || (function () {
 var OC = JS_TESTS.foo.OC;
 var AC = JS_TESTS.foo.AC;
 var FC = JS_TESTS.foo.FC;
+var O1 = JS_TESTS.foo.O1;
+var O2 = JS_TESTS.foo.O2;
 var Impl = /** @class */ (function (_super) {
     __extends(Impl, _super);
     function Impl() {
@@ -24,12 +26,12 @@ var Impl = /** @class */ (function (_super) {
     };
     Object.defineProperty(Impl.prototype, "acAbstractProp", {
         get: function () { return "Impl"; },
-        enumerable: true,
+        enumerable: false,
         configurable: true
     });
     Object.defineProperty(Impl.prototype, "y", {
         get: function () { return true; },
-        enumerable: true,
+        enumerable: false,
         configurable: true
     });
     return Impl;
@@ -56,5 +58,13 @@ function box() {
     if (fc.acAbstractProp !== "FC")
         return "Fail 6";
     fc.z(10);
+    if (O1.y !== true || O2.y !== true)
+        return "Fail 7";
+    if (O1.acAbstractProp != "O1")
+        return "Fail 8";
+    if (O2.acAbstractProp != "O2")
+        return "Fail 9";
+    if (O2.foo() != 10)
+        return "Fail 10";
     return "OK";
 }

js/js.translator/testData/typescript-export/inheritance/inheritance__main.ts

@@ -1,6 +1,8 @@
 import OC = JS_TESTS.foo.OC;
 import AC = JS_TESTS.foo.AC;
 import FC = JS_TESTS.foo.FC;
+import O1 = JS_TESTS.foo.O1;
+import O2 = JS_TESTS.foo.O2;
 
 class Impl extends AC {
     z(z: number): void {
@@ -29,5 +31,10 @@ function box(): string {
     if (fc.acAbstractProp !== "FC") return "Fail 6";
     fc.z(10);
 
+    if (O1.y !== true || O2.y !== true) return "Fail 7";
+    if (O1.acAbstractProp != "O1") return "Fail 8";
+    if (O2.acAbstractProp != "O2") return "Fail 9";
+    if (O2.foo() != 10) return "Fail 10";
+
     return "OK";
 }