currencies_by_countries.js

// Generated based on https://en.wikipedia.org/wiki/ISO_4217
// Make sure here you pass the two letters country code, if you find countryCodes with more digits
// and it's not in this list, make sure to add that.
const COUNTRY_CODE_TO_CURRENCY = {
  // EUROS
  AX: "EUR",
  EU: "EUR",
  AD: "EUR",
  AT: "EUR",
  BE: "EUR",
  CY: "EUR",
  EE: "EUR",
  FI: "EUR",
  FR: "EUR",
  TF: "EUR",
  DE: "EUR",
  GR: "EUR",
  GP: "EUR",
  IE: "EUR",
  IT: "EUR",
  LV: "EUR",
  LT: "EUR",
  LU: "EUR",
  MT: "EUR",
  GF: "EUR",
  MQ: "EUR",
  YT: "EUR",
  MC: "EUR",
  ME: "EUR",
  NL: "EUR",
  PT: "EUR",
  RE: "EUR",
  BL: "EUR",
  MF: "EUR",
  PM: "EUR",
  SM: "EUR",
  SK: "EUR",
  SI: "EUR",
  ES: "EUR",
  VA: "EUR",

  // GBP
  GB: "GBP",
  IM: "GBP",
  JE: "GBP",
  GG: "GBP",
  SHN: "GBP",

  // INDIAN RUPEE
  IN: "INR",
  BT: "INR", // buthan
};

function getCurrency(countryCode) {
  if (countryCode in CURRENCIES_BY_COUNTRIES) {
    return COUNTRY_CODE_TO_CURRENCY[countryCode];
  }
  return "USD";
}