Refactor copyDocumentTitle using document.title

Author: mkobayashime

dist/copyDocumentTitle.js

@@ -5,8 +5,10 @@
 
 import { copyToClipboard } from "./utils/copyToClipboard";
 
-const titleElement = document.querySelector("title");
-const title = titleElement?.innerText.trim().split("\n").join("");
-(async () => {
-	if (title) await copyToClipboard(title, false);
-})().catch((err) => console.error(err));
+void (async () => {
+	if (document.title) {
+		await copyToClipboard(document.title, false);
+	} else {
+		window.alert("Failed to get document title");
+	}
+})();