Make old js project compilable without modifications

idea/src/org/jetbrains/jet/plugin/framework/JSLibraryStdPresentationProvider.java

@@ -51,8 +51,7 @@ public class JSLibraryStdPresentationProvider extends CachingLibraryPresentation
             return null;
         }
 
-        if (classesRoots.isEmpty()) {
+        if (isOldJSStandardLibrary(classesRoots)) {
-            // TODO: Deprecated - remove after some iterations
             return new LibraryVersionProperties(null);
         }
 
@@ -65,4 +64,9 @@ public class JSLibraryStdPresentationProvider extends CachingLibraryPresentation
 
         return null;
     }
+
+    // TODO: Deprecated - remove after some iterations
+    static boolean isOldJSStandardLibrary(@NotNull List<VirtualFile> classesRoots) {
+        return classesRoots.isEmpty();
+    }
 }

idea/src/org/jetbrains/jet/plugin/framework/JsHeaderLibraryPresentationProvider.java

@@ -55,6 +55,10 @@ public class JsHeaderLibraryPresentationProvider extends CachingLibraryPresentat
             return null;
         }
 
+        if (JSLibraryStdPresentationProvider.isOldJSStandardLibrary(classesRoots)) {
+            return new LibraryVersionProperties(null);
+        }
+
         for (VirtualFile file : classesRoots) {
             CommonProcessors.FindFirstProcessor<VirtualFile> findKTProcessor = new CommonProcessors.FindFirstProcessor<VirtualFile>() {
                 @Override