[mwcampbell]

It seems to me that you're repeating the mistake that caused Java AWT and Swing applications to feel foreign on any mainstream desktop system.

https://news.ycombinator.com/item?id=8965349

A pure-JavaScript implementation of navigation might feel almost native on today's mobile platforms if you work hard enough at it. But will it feel native in the next release of the OS? And does it feel native for all users? For example, when a user of the VoiceOver screen reader on iOS navigates to a new page in your app, do they hear VoiceOver's "new screen" sound effect, as they do when using a real UINavigationController? Also, VOiceOver has a special gesture for going back. Will that work in your nav implementation?

My point is that when you start with cross-platform and try to tweak and tune it until it's native, you might miss some subtleties, and it might still not feel native to some users.

[danabramov]

For what it’s worth Airbnb just open sourced a React Native library that implements navigation natively on both platforms. Check it out: https://github.com/airbnb/native-navigation