Disable "Publish this room" option in invite only rooms

src/components/views/room_settings/RoomPublishSetting.tsx

@@ -31,6 +31,7 @@ interface IProps {
 
 interface IState {
     isRoomPublished: boolean;
+    isRoomPublishable: boolean;
 }
 
 @replaceableComponent("views.room_settings.RoomPublishSetting")
@@ -40,6 +41,7 @@ export default class RoomPublishSetting extends React.PureComponent<IProps, ISta
 
         this.state = {
             isRoomPublished: false,
+            isRoomPublishable: true,
         };
     }
 
@@ -63,14 +65,19 @@ export default class RoomPublishSetting extends React.PureComponent<IProps, ISta
         client.getRoomDirectoryVisibility(this.props.roomId).then((result => {
             this.setState({ isRoomPublished: result.visibility === 'public' });
         }));
+
+        const room = client.getRoom(this.props.roomId);
+        if (room.getJoinRule() === "invite") {
+            this.setState({ isRoomPublishable: false });
+        }
     }
 
     render() {
         const client = MatrixClientPeg.get();
 
         const enabled = (
-            DirectoryCustomisations.requireCanonicalAliasAccessToPublish?.() === false ||
-            this.props.canSetCanonicalAlias
+            (DirectoryCustomisations.requireCanonicalAliasAccessToPublish?.() === false ||
+            this.props.canSetCanonicalAlias) && (this.state.isRoomPublishable || this.state.isRoomPublished)
         );
 
         return (