KT-2752: JsName renames native declarations

js/js.frontend/src/org/jetbrains/kotlin/js/translate/utils/AnnotationsUtils.java

@@ -100,6 +100,9 @@ public final class AnnotationsUtils {
                     continue;
                 }
                 String name = getNameForAnnotatedObject(descriptor, annotation);
+                if (name == null) {
+                    name = getJsName(descriptor);
+                }
                 return name != null ? name : descriptor.getName().asString();
             }
         }

js/js.translator/testData/native/cases/jsName.kt

@@ -0,0 +1,36 @@
+package foo
+
+@JsName("bar") @native fun foo(): Int = noImpl
+
+@JsName("baz") @native val prop: Int get() = noImpl
+
+@JsName("B") @native class A {
+    @JsName("g") fun f(): Int = noImpl
+
+    @JsName("q") val p: Int get() = noImpl
+
+    companion object {
+        @JsName("g") fun f(): Int = noImpl
+
+        @JsName("q") val p: Int get() = noImpl
+    }
+}
+
+@JsName("P") @native object O {
+    fun f(): Int = noImpl
+}
+
+fun box(): String {
+    assertEquals(23, foo())
+    assertEquals(123, prop)
+
+    assertEquals(42, A().f())
+    assertEquals(32, A().p)
+
+    assertEquals(142, A.f())
+    assertEquals(132, A.p)
+
+    assertEquals(222, O.f())
+
+    return "OK"
+}

js/js.translator/testData/native/native/jsName.js

@@ -0,0 +1,13 @@
+var bar = function() { return 23; };
+var baz = 123;
+
+function B() {
+    this.q = 32;
+}
+B.prototype.g = function() { return 42; };
+B.q = 132;
+B.g = function() { return 142; };
+
+var P = {
+    f: function() { return 222; }
+};