Ensure that a default export exists for the esm-exception module

Author: jayaddison

tests/module-types/src/cjs-subdir/esm-exception/index.ts

@@ -1,3 +1,5 @@
 export const cjs: boolean = true;
 
-export const requireType = typeof require;
+const requireType = typeof require;
+
+export default { requireType };