JS: Another kind of export-assign test

Author: asgerf

javascript/ql/test/library-tests/UnderlyingTypes/expressExportAssignWrapper.ts

@@ -0,0 +1,5 @@
+import Express = require('express');
+namespace Wrapper {
+    export import E = Express;
+}
+export = Wrapper;

javascript/ql/test/library-tests/UnderlyingTypes/expressExportAssignWrapper.use.ts

@@ -0,0 +1,4 @@
+import { E } from "./expressExportAssignWrapper";
+
+function t1(req: E.Request) { // $ hasUnderlyingType='express'.Request
+}