From b14278dda8b9063155a53461f809442c4c27132d Mon Sep 17 00:00:00 2001
From: Emilia <contact@emiliaallison.com>
Date: Mon, 5 Jun 2023 14:56:01 -0400
Subject: [PATCH] Avoid export of an empty file

---
 src/components/main_window.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/components/main_window.rs b/src/components/main_window.rs
index ae45ab6..948016c 100644
--- a/src/components/main_window.rs
+++ b/src/components/main_window.rs
@@ -72,6 +72,10 @@ pub fn MainWindow() -> Html {
     let save_button_callback = {
         let main_state = main_state.clone();
         Callback::from(move |_| {
+            if main_state.transfers.len() == 0 {
+                web_sys::window().unwrap().alert_with_message("No transfers to export.").unwrap();
+                return ()
+            }
             if let Ok(csv) = state_to_csv(&main_state) {
                 let csv: &str = &csv;
                 let blob = Blob::new_with_str_sequence(