Support exports with star globs

javascript/ql/test/library-tests/PathResolution/Basic/import-packages.ts

@@ -8,3 +8,6 @@ import '@example/package-with-exports'; // $ importTarget=PackageWithExports/mai
 
 import '../PackageWithExports/fake-file'; // Not a valid import
 import '@example/package-with-exports/fake-file'; // $ importTarget=PackageWithExports/fake-file-impl.js
+
+import '../PackageWithExports/star/foo'; // Not a valid import
+import '@example/package-with-exports/star/foo'; // $ importTarget=PackageWithExports/star-impl/foo.js

javascript/ql/test/library-tests/PathResolution/PackageWithExports/package.json

@@ -6,6 +6,9 @@
         },
         "./fake-file": {
             "default": "./fake-file-impl.js"
+        },
+        "./star/*": {
+            "default": "./star-impl/*"
         }
     }
 }

javascript/ql/test/library-tests/PathResolution/PackageWithExports/star-impl/foo.js

@@ -0,0 +1 @@
+export const x = 1;

javascript/ql/test/library-tests/PathResolution/test.expected

@@ -29,6 +29,7 @@
 | Basic/import-packages.ts:6:1:6:43 | import  ... -main'; | PackageWithModuleMain/main.js |
 | Basic/import-packages.ts:7:1:7:39 | import  ... ports'; | PackageWithExports/main.js |
 | Basic/import-packages.ts:10:1:10:49 | import  ... -file'; | PackageWithExports/fake-file-impl.js |
+| Basic/import-packages.ts:13:1:13:48 | import  ... r/foo'; | PackageWithExports/star-impl/foo.js |
 | Basic/index.ts:1:1:1:22 | import  ... r/sub'; | Basic/Subdir/sub.ts |
 | Extended/src/main.ts:2:1:2:21 | import  ... /file"; | Extended/lib/file.ts |
 | Extended/src/main.ts:3:1:3:24 | import  ... le.ts"; | Extended/lib/file.ts |