Proof

react-native-i18n

upstream package JS runs unchanged against NativeModules.RNI18n preferred-language constants

80%

API coverage

No visual proof cases have been published for this package yet. The registry summary below describes what the compat layer implements.

Working (3)

NativeModules.RNI18n.languagesgetConstantsgetLanguages; react-native-i18n sets i18n-js locale from preferred browser/device language tags

Missing

native project localization bundle inspection and platform-specific legacy pre-iOS-9 underscore conversion