react-native-localize

"dependencies": {
     ...
     "@amazon-devices/react-native-localize": "~2.0.0"
}

import { getCurrencies, getLocales } from "@amazon-devices/react-native-localize";

console.log(getLocales());
console.log(getCurrencies());

type getLocales = () => Array<{
  languageCode: string;
  scriptCode?: string;
  countryCode: string;
  languageTag: string;
  isRTL: boolean;
}>;

import { getLocales } from "@amazon-devices/react-native-localize";

console.log(getLocales());
/* -> [
  { countryCode: "GB", languageTag: "en-GB", languageCode: "en", isRTL: false },
  { countryCode: "US", languageTag: "en-US", languageCode: "en", isRTL: false },
  { countryCode: "FR", languageTag: "fr-FR", languageCode: "fr", isRTL: false },
] */

type getNumberFormatSettings = () => {
  decimalSeparator: string;
  groupingSeparator: string;
};

import { getNumberFormatSettings } from "@amazon-devices/react-native-localize";

console.log(getNumberFormatSettings());
/* -> {
  decimalSeparator: ".",
  groupingSeparator: ",",
} */

type getCurrencies = () => string[];

import { getCurrencies } from "@amazon-devices/react-native-localize";

console.log(getCurrencies());
// -> ["EUR", "GBP", "USD"]

type getCountry = () => string;

import { getCountry } from "@amazon-devices/react-native-localize";

console.log(getCountry());
// -> "FR"

type getCalendar = () =>
  | "gregorian"
  | "buddhist"
  | "coptic"
  | "ethiopic"
  | "ethiopic-amete-alem"
  | "hebrew"
  | "indian"
  | "islamic"
  | "islamic-umm-al-qura"
  | "islamic-civil"
  | "islamic-tabular"
  | "iso8601"
  | "japanese"
  | "persian";

import { getCalendar } from "@amazon-devices/react-native-localize";

console.log(getCalendar());
// → "gregorian"

type getTemperatureUnit = () => "celsius" | "fahrenheit";

import { getTemperatureUnit } from "@amazon-devices/react-native-localize";

console.log(getTemperatureUnit());
// → "celsius"

type getTimeZone = () => string;

import { getTimeZone } from "@amazon-devices/react-native-localize";

console.log(getTimeZone());
// → "Asia/Yerevan"

type uses24HourClock = () => boolean;

import { uses24HourClock } from "@amazon-devices/react-native-localize";

console.log(uses24HourClock());
// → true

type usesMetricSystem = () => boolean;

import { usesMetricSystem } from "@amazon-devices/react-native-localize";

console.log(usesMetricSystem());
// → true

type usesAutoDateAndTime = () => boolean | undefined;

import { usesAutoDateAndTime } from "@amazon-devices/react-native-localize";

console.log(usesAutoDateAndTime());
// → false/true

type usesAutoTimeZone = () => boolean | undefined;

import { usesAutoTimeZone } from "@amazon-devices/react-native-localize";

console.log(usesAutoTimeZone());
// → false