clean up typescript initialization

netbox/project-static/src/messages.ts

@@ -0,0 +1,16 @@
+import { Toast } from 'bootstrap';
+
+/**
+ * Find any active messages from django.contrib.messages and show them in a toast.
+ */
+export function initMessages(): void {
+  const elements = document.querySelectorAll<HTMLDivElement>(
+    'body > div#django-messages > div.django-message.toast',
+  );
+  for (const element of elements) {
+    if (element !== null) {
+      const toast = new Toast(element);
+      toast.show();
+    }
+  }
+}