JS: Update Express test

javascript/ql/test/library-tests/frameworks/Express/RequestExpr.qll

@@ -3,3 +3,7 @@ import javascript
 query predicate test_RequestExpr(Express::RequestExpr e, HTTP::RouteHandler res) {
   res = e.getRouteHandler()
 }
+
+query predicate test_RequestExprStandalone(Express::RequestExpr e) {
+  not exists(e.getRouteHandler())
+}

javascript/ql/test/library-tests/frameworks/Express/tests.expected

@@ -1024,6 +1024,8 @@ test_RequestExpr
 | src/express.js:50:3:50:5 | req | src/express.js:46:22:51:1 | functio ... ame];\\n} |
 | src/inheritedFromNode.js:7:2:7:4 | req | src/inheritedFromNode.js:4:15:8:1 | functio ... .url;\\n} |
 | src/responseExprs.js:17:5:17:7 | req | src/responseExprs.js:16:30:42:1 | functio ...     }\\n} |
+test_RequestExprStandalone
+| typed_src/tst.ts:6:3:6:3 | x |
 test_RouteHandlerExpr_getAsSubRouter
 | src/csurf-example.js:13:17:13:19 | api | src/csurf-example.js:30:16:30:35 | new express.Router() |
 | src/express2.js:6:9:6:14 | router | src/express2.js:2:14:2:23 | e.Router() |

javascript/ql/test/library-tests/frameworks/Express/tsconfig.json

@@ -0,0 +1,4 @@
+{
+  "include": ["typed_src"]
+}
+

javascript/ql/test/library-tests/frameworks/Express/typed_src/shim.d.ts

@@ -0,0 +1,13 @@
+declare namespace ServeStaticCore {
+  interface Request {
+    body: any;
+  }
+}
+
+declare module 'express' {
+  interface Request extends ServeStaticCore.Request {}
+}
+
+declare module 'express-serve-static-core' {
+  export = ServeStaticCore;
+}

javascript/ql/test/library-tests/frameworks/Express/typed_src/tst.ts

@@ -0,0 +1,7 @@
+/// <reference path="./shim.d.ts"/>
+
+import * as express from 'express';
+
+function test(x: express.Request) {
+  x.body;
+}