From 6b8458eb9f5838931b34c47c65397d195150720d Mon Sep 17 00:00:00 2001
From: w-e-w <40751091+w-e-w@users.noreply.github.com>
Date: Fri, 9 Feb 2024 23:19:16 +0900
Subject: [PATCH] if extensions page not loaded, prevent apply

since they are built-in extensions we can make the assumption that they will be at least one or more extensions

Co-Authored-By: Andray <33491867+light-and-ray@users.noreply.github.com>
---
 javascript/extensions.js | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/javascript/extensions.js b/javascript/extensions.js
index 312131b76..cc8ee220b 100644
--- a/javascript/extensions.js
+++ b/javascript/extensions.js
@@ -2,8 +2,11 @@
 function extensions_apply(_disabled_list, _update_list, disable_all) {
     var disable = [];
     var update = [];
-
-    gradioApp().querySelectorAll('#extensions input[type="checkbox"]').forEach(function(x) {
+    const extensions_input = gradioApp().querySelectorAll('#extensions input[type="checkbox"]');
+    if (extensions_input.length == 0) {
+        throw Error("Extensions page not yet loaded.");
+    }
+    extensions_input.forEach(function(x) {
         if (x.name.startsWith("enable_") && !x.checked) {
             disable.push(x.name.substring(7));
         }