rn,lang: fix language detection to take region into account
If we have a regional variant, prefer that.
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@ -2,6 +2,10 @@
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import { NativeModules } from 'react-native';
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import LANGUAGES_RESOURCES from '../../../../lang/languages.json';
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const LANGUAGES = Object.keys(LANGUAGES_RESOURCES);
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/**
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* The singleton language detector for React Native which uses the system-wide
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* locale.
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@ -16,8 +20,14 @@ export default {
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detect() {
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const { LocaleDetector } = NativeModules;
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const [ lang, region ] = LocaleDetector.locale.replace(/_/, '-').split('-');
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const locale = `${lang}${region}`;
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return LocaleDetector.locale.replace(/[_-]/, '');
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if (LANGUAGES.includes(locale)) {
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return locale;
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}
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return lang;
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},
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init: Function.prototype,
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