Reproduction of issue #2935

package.json

@@ -1,6 +1,7 @@
 {
   "name": "typedoc-repros",
   "dependencies": {
+    "@types/node": "latest",
     "typedoc": "latest",
     "typescript": "latest"
   }

src/helloWorld.test.mts

@@ -0,0 +1,12 @@
+import assert from 'node:assert';
+import { describe, it } from 'node:test';
+import { helloWorld } from './index.ts';
+
+describe('helloWorld', () => {
+  it('provides a valid example', async () => {
+    //#region example
+    const result = helloWorld();
+    assert(result === 'Hello World');
+    //#endregion example
+  });
+});

src/index.ts

@@ -1,4 +1,8 @@
 /**
  * Some code reproducing a bug.
+ * 
+ * {@includeCode ./helloWorld.test.mts#example}
  */
-export const bug = 123;
+export function helloWorld() {
+  return 'Hello World';
+}

tsconfig.json

@@ -4,7 +4,8 @@
     "module": "Node16",
     "lib": ["ES2022"],
     "strict": true,
-    "noEmit": true
+    "noEmit": true,
+    "allowImportingTsExtensions": true
   },
   "include": ["src"]
 }