Prefer assertion

client/views/room/threads/ThreadComponent.tsx

@@ -63,7 +63,7 @@ const ThreadComponent: FC<{
 	onClickBack: (e: unknown) => void;
 }> = ({ mid, jump, room, onClickBack }) => {
 	const subscription = useUserSubscription(room._id, subscriptionFields);
-	const channelRoute = useRoute(roomCoordinator.getRoomTypeConfig(room.t)?.route?.name as string);
+	const channelRoute = useRoute(roomCoordinator.getRoomTypeConfig(room.t).route.name);
 	const threadMessage = useThreadMessage(mid);
 
 	const openUserInfo = useTabBarOpenUserInfo();

lib/rooms/coordinator.ts

@@ -108,8 +108,12 @@ export abstract class RoomCoordinator {
 		return undefined;
 	}
 
-	getRoomTypeConfig(identifier: string): IRoomTypeConfig | undefined {
-		return this.roomTypes[identifier]?.config;
+	getRoomTypeConfig(identifier: string): IRoomTypeConfig {
+		if (!this.roomTypes[identifier]) {
+			throw new Error(`Room type with identifier ${identifier} does not exist.`);
+		}
+
+		return this.roomTypes[identifier].config;
 	}
 
 	getRouteLink(roomType: string, subData: RoomIdentification): string | false {