[JS IR] Support per-file mode and ES modules

js/js.translator/testData/box/esModules/crossModuleRef/inlineJsModuleNonIdentifier.kt

@@ -0,0 +1,20 @@
+// DONT_TARGET_EXACT_BACKEND: JS
+// ES_MODULES
+// FILE: lib-1.mjs
+export default function foo() {
+    return "OK";
+}
+
+// MODULE: lib2
+// FILE: lib2.kt
+@JsModule("./lib-1.mjs")
+external fun foo(): String
+
+// MODULE: lib3(lib2)
+// FILE: lib3.kt
+inline fun bar() = foo()
+
+// MODULE: main(lib3)
+// FILE: main.kt
+
+fun box() = bar()