stream doesn't want to work

webroot/js/chat/register.js

@@ -0,0 +1,19 @@
+import { URL_CHAT_REGISTRATION } from '../utils/constants.js';
+
+export async function registerChat(username) {
+  const options = {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({ displayName: username }),
+  };
+
+  try {
+    const response = await fetch(URL_CHAT_REGISTRATION, options);
+    const result = await response.json();
+    return result;
+  } catch (e) {
+    console.error(e);
+  }
+}