From 80fabd063f3bf05abafe2d91f37b10778db1b1f1 Mon Sep 17 00:00:00 2001
From: rstular <rok@stular.eu>
Date: Wed, 5 Feb 2020 11:09:40 +0100
Subject: localForage seems to return -1 instead of null, account for that

---
 js/gradings.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/js/gradings.js b/js/gradings.js
index 1109961..0b8b53b 100644
--- a/js/gradings.js
+++ b/js/gradings.js
@@ -93,7 +93,7 @@ async function loadGradings(force_refresh = false) {
 
     Promise.all(promises_to_run).then(() => {
 
-        if (gradings === null || force_refresh) {
+        if (gradings === null || gradings === [] || gradings === -1 || force_refresh) {
             $.ajax({
                 url: API_ENDPOINT,
                 crossDomain: true,
-- 
cgit v1.2.3