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EXLocalization.m
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EXLocalization.m
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// Copyright 2018-present 650 Industries. All rights reserved.
#import <EXLocalization/EXLocalization.h>
@implementation EXLocalization
UM_EXPORT_MODULE(ExpoLocalization)
/*
* Thanks to RNLocalize
* https://github.com/react-native-community/react-native-localize/blame/e9e01ce65e3891241c88adf162679ab8e37759e3/ios/RNLanguages.m#L13
*/
UM_EXPORT_METHOD_AS(getLocalizationAsync,
getLocalizationAsync:(UMPromiseResolveBlock)resolve
rejecter:(UMPromiseRejectBlock)reject)
{
resolve([self constantsToExport]);
}
- (NSDictionary *)constantsToExport
{
NSArray<NSString *> *preferredLocales = [NSLocale preferredLanguages];
if (![preferredLocales count]) {
NSString *currentLocale = [[NSLocale currentLocale] localeIdentifier];
if (currentLocale == nil) {
currentLocale = @"en_US";
}
preferredLocales = @[currentLocale];
}
NSTimeZone *currentTimeZone = [NSTimeZone localTimeZone];
NSString *region = [[NSLocale currentLocale] objectForKey:NSLocaleCountryCode];
return @{
@"isRTL": @([self isRTL]),
@"locale": [preferredLocales objectAtIndex:0],
@"locales": preferredLocales,
@"timezone": [currentTimeZone name],
@"isoCurrencyCodes": [NSLocale ISOCurrencyCodes],
@"region": UMNullIfNil(region)
};
}
- (BOOL)isRTL
{
// https://stackoverflow.com/a/14183124/1123156
return [NSLocale characterDirectionForLanguage:[NSLocale preferredLanguages][0]] == NSLocaleLanguageDirectionRightToLeft;
}
@end