KT-12877: serialize information about file annotations. For each top-level declaration store containing file. Use this information to properly handle file-targeted JsModule.

js/js.translator/testData/box/jsModule/externalPackageInDifferentFile.kt

@@ -0,0 +1,44 @@
+// MODULE_KIND: AMD
+// FILE: lib.kt
+@file:JsModule("lib")
+package foo
+
+@native class A(@native val x: Int = noImpl) {
+    @native fun foo(y: Int): Int = noImpl
+}
+
+@native object B {
+    @native val x: Int = noImpl
+
+    @native fun foo(y: Int): Int = noImpl
+}
+
+@native fun foo(y: Int): Int = noImpl
+
+@native val bar: Int = noImpl
+
+// FILE: lib2.kt
+package foo
+
+@native object C {
+    fun f(): Int = noImpl
+}
+
+// FILE: main.kt
+package foo
+
+fun box(): String {
+    val a = A(23)
+    assertEquals(23, a.x)
+    assertEquals(65, a.foo(42))
+
+    assertEquals(123, B.x)
+    assertEquals(265, B.foo(142))
+
+    assertEquals(365, foo(23))
+    assertEquals(423, bar)
+
+    assertEquals(12345, C.f())
+
+    return "OK"
+}