vsavkin 3b7bab7d22 feat(router): add navigationSource and restoredState to NavigationStart event ()
Currently, NavigationStart there is no way to know if an navigation was triggered imperatively or via the location change. These two use cases should be handled differently for a variety of use cases (e.g., scroll position restoration). This PR adds a navigation source field and restored navigation id (passed to navigations triggered by a URL change).

PR Close 
2018-01-26 10:25:32 -08:00
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