Fix CallPreview room is null (#7265)

t3chguy · web-flow · commit b5a488b01baa · 2021-12-02T14:07:27.000Z
diff --git a/src/components/views/voip/CallPreview.tsx b/src/components/views/voip/CallPreview.tsx
@@ -133,7 +133,9 @@ export default class CallPreview extends React.Component<IProps, IState> {
         }
         SettingsStore.unwatchSetting(this.settingsWatcherRef);
         const room = MatrixClientPeg.get().getRoom(this.state.roomId);
-        WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(room), this.updateCalls);
+        if (room) {
+            WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(room), this.updateCalls);
+        }
     }
 
     private onRoomViewStoreUpdate = () => {

Original file line number	Diff line number	Diff line change
`@@ -133,7 +133,9 @@ export default class CallPreview extends React.Component<IProps, IState> {`
`133`	`133`	`}`
`134`	`134`	`SettingsStore.unwatchSetting(this.settingsWatcherRef);`
`135`	`135`	`const room = MatrixClientPeg.get().getRoom(this.state.roomId);`
`136`		`- WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(room), this.updateCalls);`
	`136`	`+ if (room) {`
	`137`	`+ WidgetLayoutStore.instance.off(WidgetLayoutStore.emissionForRoom(room), this.updateCalls);`
	`138`	`+ }`
`137`	`139`	`}`
`138`	`140`
`139`	`141`	`private onRoomViewStoreUpdate = () => {`