Unnecessary warning: An <IndexRoute> is not allowed for <TabsRoute>?

[nicholeuf]

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Version

Dependency	Version
react-router-native	2.0.0-beta.0
react-router	3.0.0
react-native	0.37.0

Expected Behavior

First of all, thank you for creating this library and sharing with the community.

We are migrating from the react-router-native-flux library. I have an IndexRoute in a TabsRoute that sets the initial active route, similar to an IndexRedirect from react-router.

const to = (value) => (nextState, replace) => replace(value);

...

<TabsRoute path={routes.default} component={TabBarNavigation} >
   <IndexRoute onEnter={to(routes.cart)} />
   <Route path={routes.cart} component={CartContainer} />
   <Route path={routes.shop} component={Shop} />
   <Route path={routes.account} component={Account} />
</TabsRoute>

The IndexRoute definition is working just fine, except I am seeing a warning:

Warning: An <IndexRoute> is not allowed for <TabsRoute>

Actual Behavior

I believe an IndexRoute should continue to work in this configuration, but with no warning.

Steps to Reproduce

See router configuration above.

[Darkhorse-Fraternity]

we try indexRoute in stackRoute but it not work .props.children is undefine