Proof

@react-native-community/netinfo

published upstream JavaScript runs over the host-backed RNCNetInfo native seam; feature estimates cover browser-hosted network behavior
99%
API coverage
No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.
Working
fetch, refresh, configure, initial and subsequent listener notifications, useNetInfo, useNetInfoInstance, and upstream runtime enums
Missing
native network identifiers and metrics are unavailable; transport hints depend on browser support, and default Internet reachability mirrors navigator.onLine rather than probing a remote endpoint