message: Mapped tabs to index for clarity
diff: @@ -6,9 +6,10 @@ import Notifications from './Notifications';
  export default ({tweets, follows}) => {
  const {stateNavigator, data} = useContext(NavigationContext);
  - const [tab, setTab] = useState(data.tab === 'home' ? 0 : 1);
  + const tabs = {home: 0, notifications: 1};
  + const [tab, setTab] = useState(tabs[data.tab]);
  const getHref = link => stateNavigator.historyManager.getHref(link);
  - useNavigated(() => setTab(data.tab === 'home' ? 0 : 1));
  + useNavigated(() => setTab(tabs[data.tab]));
  return (
  <TabBar
  tab={tab}
  