Integrate worker to offload main thread from heavy tasks

wwwroot/core/namecards/nameCardWorker.js

@@ -0,0 +1,27 @@
+import { parentPort } from 'worker_threads';
+import {NameCardCreator} from "./nameCardCreator.js";
+
+parentPort.on("message", async (data) => {
+    try {
+        const { templatePath, avatarURL, username } = data;
+
+        const creator = new NameCardCreator(templatePath);
+        const buffer = await creator.getWelcomeCard(avatarURL, username);
+
+        parentPort.postMessage({ result: 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 });
+    }
+})();*/