TS: Add test for named re-export and exportsAs

Author: asgerf

javascript/ql/test/library-tests/TypeScript/TypeOnlyImportExport/exportClass.ts

@@ -0,0 +1 @@
+export class C {}

javascript/ql/test/library-tests/TypeScript/TypeOnlyImportExport/importRexportedClass.ts

@@ -0,0 +1,3 @@
+import type { C } from "./namedReexport";
+
+let c: C;

javascript/ql/test/library-tests/TypeScript/TypeOnlyImportExport/namedReexport.ts

@@ -0,0 +1 @@
+export type { C } from "./exportClass";

javascript/ql/test/library-tests/TypeScript/TypeOnlyImportExport/test.expected

@@ -1,14 +1,26 @@
 getAVarReference
+| C | exportClass.ts:1:14:1:14 | C |
 | Foo | tst.ts:5:5:5:7 | Foo |
+| c | importRexportedClass.ts:3:5:3:5 | c |
 | f | exportFunction.ts:1:17:1:17 | f |
 | ns | importFunction.ts:1:10:1:11 | ns |
 | ns | importFunction.ts:3:1:3:2 | ns |
 | ns | importType.ts:3:12:3:13 | ns |
 getAnExportAccess
 | Foo | tst.ts:3:15:3:17 | Foo |
 getATypeDecl
+| C | exportClass.ts:1:14:1:14 | C |
+| C | importRexportedClass.ts:1:15:1:15 | C |
 | Foo | tst.ts:1:15:1:17 | Foo |
 | ns | importFunction.ts:1:10:1:11 | ns |
 | types | tst.ts:7:18:7:22 | types |
 calls
 | importFunction.ts:3:1:3:6 | ns.f() | importType.ts:3:19:3:24 | f() {} |
+exportsAs
+| exportClass.ts:1:1:1:17 | export class C {} | C | C | type |
+| exportClass.ts:1:1:1:17 | export class C {} | C | C | variable |
+| exportFunction.ts:1:1:1:22 | export  ...  f() {} | f | f | variable |
+| importType.ts:3:1:3:27 | export  ... ) {} }; | ns | ns | variable |
+| namedReexport.ts:1:1:1:39 | export  ... Class"; | C | C | type |
+| tst.ts:3:1:3:20 | export type { Foo }; | Foo | Foo | namespace |
+| tst.ts:3:1:3:20 | export type { Foo }; | Foo | Foo | type |

javascript/ql/test/library-tests/TypeScript/TypeOnlyImportExport/test.ql

@@ -15,3 +15,8 @@ query TypeDecl getATypeDecl(LocalTypeName t) {
 query Function calls(DataFlow::InvokeNode invoke) {
     result = invoke.getACallee()
 }
+
+query predicate exportsAs(ExportDeclaration exprt, LexicalName v, string name, string kind) {
+    exprt.exportsAs(v, name) and
+    kind = v.getDeclarationSpace()
+}