Do not crash in MessagesView.handleMessageUpdate if topic gets unset.

2023-02-06 09:51:53 -08:00
parent f755314c3b
commit fc6a8fbafc
9 changed files with 1877 additions and 2027 deletions
@@ -672,6 +672,9 @@ class MessagesView extends React.Component {

  // The 'msg' could be false-ish if some message ranges were deleted.
  handleMessageUpdate(msg) {
+    if (!this.state.topic) {
+      return;
+    }
    const topic = this.props.tinode.getTopic(this.state.topic);
    if (!msg) {
      // msg could be null if one or more messages were deleted.