fix js errors when restarting UI

3 years ago · 6ffefdcc9f
parent 5623a3e7b1
commit 6ffefdcc9f
1 changed files with 2 additions and 1 deletions
--- a/script.js
+++ b/script.js
@ -1,5 +1,6 @@
 function gradioApp() {
-    const gradioShadowRoot = document.getElementsByTagName('gradio-app')[0].shadowRoot
+    const elems = document.getElementsByTagName('gradio-app')
+    const gradioShadowRoot = elems.length == 0 ? null : elems[0].shadowRoot
    return !!gradioShadowRoot ? gradioShadowRoot : document;
 }