react-hook-currency/src/constants/Locales.ts

> This libraries propose to introduce two pseudo hooks, one capable of format currencies and another capable to simulate a cash register.

export enum Locales {
  'English' = 'en',
  'English (Australia)' = 'en-AU',
  'English (Canada)' = 'en-CA',
  'English (United Kingdom)' = 'en-GB',
  'English (United States)' = 'en-US',
  'Swiss German' = 'gsw',
  'Swiss German (Switzerland)' = 'gsw-CH',
  'Portuguese (Brazil)' = 'pt-BR',
  'Portuguese' = 'pt',
}