message: Changed export to support fast refresh
  Directly exporting caused a full reload
diff: @@ -11,7 +11,7 @@ const colors = [
  'purple', 'fuchsia', 'indigo', 'green', 'navy', 'blue', 'teal', 'black'
  ];
  -var stateNavigator = new StateNavigator([
  +const stateNavigator = new StateNavigator([
  {key: 'grid'},
  {key: 'detail', trackCrumbTrail: true},
  ]);
  @@ -26,7 +26,7 @@ detail.truncateCrumbTrail = (state, data, crumbs) => (
  crumbs.slice(-1)[0].state === detail ? crumbs.slice(0, -1) : crumbs
  );
  -var openLink = (url) => {
  +const openLink = (url) => {
  if (url) {
  var color = url.split('=')[1];
  var {state, data} = stateNavigator.stateContext;
  @@ -45,8 +45,9 @@ var openLink = (url) => {
  Linking.getInitialURL().then(openLink);
  Linking.addEventListener('url', ({url}) => openLink(url));
  -export default () => (
  +const App = () => (
  <NavigationHandler stateNavigator={stateNavigator}>
  <NavigationStack sharedElements={(_, {name}) => name && [name]} />
  </NavigationHandler>
  );
  +export default App;
  