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fix: app crashing due to undefined settings constant accessor #923

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fix: app crashing due to undefined settings constant accessor #923

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0daae68
fix: app crashing due to undefined settings constant accessor
CalhamJNorthway Sep 10, 2025
d9f43a5
Merge branch 'main' into fix/rn-fabric-settings-undefined-crash
joker23 Nov 21, 2025
f8eca98
chore: addressing PR comments
joker23 Nov 21, 2025
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1 change: 1 addition & 0 deletions packages/sdk/react-native/package.json
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Original file line number Diff line number Diff line change
Expand Up @@ -31,6 +31,7 @@
"tsw": "yarn tsc --watch",
"start": "rimraf dist && yarn tsw",
"lint": "eslint . --ext .ts,.tsx",
"lint:fix": "eslint . --ext .ts,.tsx --fix",
"prettier": "prettier --write '**/*.@(js|ts|tsx|json|css)' --ignore-path ../../../.prettierignore",
"test": "jest",
"coverage": "yarn test --coverage",
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20 changes: 13 additions & 7 deletions packages/sdk/react-native/src/platform/locale.ts
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Original file line number Diff line number Diff line change
@@ -1,12 +1,18 @@
import { NativeModules, Platform } from 'react-native';

/**
* Ripped from:
* https://dev.to/medaimane/localization-and-internationalization-in-react-native-reaching-global-audiences-3acj
* Apps opted into Fabric (the new architecture of React Native)
* may not have access to the SettingsManager.settings.AppleLocale property.
* It is now common to use the `getConstants` method to access these constant properties with Fabric enabled apps.
*/
const locale =
Platform.OS === 'ios'
? NativeModules.SettingsManager?.settings?.AppleLocale // iOS
: NativeModules.I18nManager?.localeIdentifier;
const localeIdentifier = Platform.select({
ios: () => {
const settings =
NativeModules.SettingsManager?.settings ??
NativeModules.SettingsManager?.getConstants()?.settings;
return settings?.AppleLocale;
},
default: () => NativeModules.I18nManager?.localeIdentifier,
});

export default locale;
export default localeIdentifier();
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