Spent too much time trying to fix main thread offload crash

wwwroot/core/namecards/nameCardWorker.js

@@ -8,20 +8,9 @@ parentPort.on("message", async (data) => {
         const creator = new NameCardCreator(templatePath);
         const buffer = await creator.getWelcomeCard(avatarURL, username);
 
-        parentPort.postMessage({ result: buffer });
+        parentPort.postMessage({ result: buffer }, [buffer.buffer]);
+
     } catch (err) {
         parentPort.postMessage({ error: err.message });
     }
-});
-
-/*(async () => {
-    try {
-        const { creator, avatarURL, userName } = workerData;
-
-        const buffer = await creator.getWelcomeCard(avatarURL, userName);
-
-        parentPort.postMessage(buffer); // return the buffer to main thread
-    } catch (err) {
-        parentPort.postMessage({ error: err.message });
-    }
-})();*/
+});