Ensure moduleType is structured during cloneTypeAsModuleType (#51136)

tests/cases/compiler/moduleExportNonStructured.ts

@@ -0,0 +1,36 @@
+// @target: ESNext
+// @module: ESNext
+// @moduleResolution: NodeNext
+// @strict: true
+
+// @filename: package.json
+{
+    "name": "test",
+    "version": "1.0.0",
+    "description": "",
+    "type": "module",
+    "module": "index.mjs"
+}
+
+// @filename: index.mts
+import * as exportAny from "./exportAny.cjs";
+import * as exportUnknown from "./exportUnknown.cjs";
+import * as exportSymbol from "./exportSymbol.cjs";
+
+import type * as exportAnyType from "./exportAny.cjs";
+import type * as exportUnknownType from "./exportUnknown.cjs";
+import type * as exportSymbolType from "./exportSymbol.cjs";
+
+// @filename: exportAny.d.cts
+declare const __: any;
+export = __;
+
+
+// @filename: exportUnknown.d.cts
+declare const __: unknown;
+export = __;
+
+
+// @filename: exportSymbol.d.cts
+declare const __: symbol;
+export = __;