make sure there is an event to persist

react-component · May 14, 2020 · 3dba017 · 3dba017
1 parent dea5aaa
commit 3dba017
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Mentions.tsx b/src/Mentions.tsx
@@ -245,7 +245,7 @@ class Mentions extends React.Component<MentionsProps, MentionsState> {
   public onBlur = (event?: React.FocusEvent<HTMLTextAreaElement>) => {
     // the timeout causes onBlur to be called async, which causes the react synthetic
     // event to be nullified. persist it if possible so clients can use it.
-    if (event.persist) {
+    if (event && event.persist) {
       event.persist();
     }
     this.focusId = window.setTimeout(() => {