message: Use transition.targetName to loookup flag
diff: @@ -48,7 +48,7 @@ const Router = EmberRouter.extend({
  _doTransition(routeName: string, ...args: any[]) {
  const transition = this._super(routeName, ...args);
  - const flag = routeFlags[routeName];
  + const flag = routeFlags[transition.targetName];
  if (flag && !this.get('features').isEnabled(flag)) {
  try {
  window.location.assign(transitionTargetURL(transition));
  