phoneNumberUtil.ts

export type BaseCountry = {
  // the ISO 3166-1 code for the country
  code: string
  // the name of the country (in english)
  name: string
  // the raw emoji for the country's flag (can be multiple codepoints)
  emoji: string
  // the international dialing code for the country (without the `+` prefix or escape codes)
  dial_country_code: string
  // the regions codes, if any
  dial_region_codes?: string[]
}

export type Country = Pick<
  BaseCountry,
  "code" | "name" | "emoji" | "dial_country_code"
> & {
  // the single region code for this entry
  dial_region_code?: string
  // the dialing code for this entry (country code + region code if any)
  dialing_code: string
}

/**
 * Helper to get the flag emoji for a given country code
 * @param {string} countryCode
 * @returns {string}
 */
const getFlagEmoji = (countryCode: string) => {
  const codePoints = countryCode
    .toUpperCase()
    .split("")
    .map((char) => 0x1f1a5 + char.charCodeAt(0))
  return String.fromCodePoint(...codePoints)
}

/**
 * Convert a list of BaseCountries to a list of Countries a unique dialing code
 */
export const mapBaseCountriesToCountries = (baseCountries: BaseCountry[]) => {
  const countriesWithSingleRegionCode = baseCountries.flatMap((baseCountry) => {
    const flatCountry = baseCountry.dial_region_codes
      ? baseCountry.dial_region_codes.map((dial_region_code) => ({
          ...baseCountry,
          dial_region_codes: [dial_region_code]
        }))
      : [baseCountry]
    return flatCountry
  })
  const countries = countriesWithSingleRegionCode.map<Country>(
    (baseCountry) => {
      const { code, name, emoji, dial_country_code, dial_region_codes } =
        baseCountry
      const dial_region_code = dial_region_codes?.[0]
      return {
        code,
        name,
        emoji,
        dial_country_code,
        dial_region_code,
        dialing_code: `${dial_country_code}${dial_region_code || ""}`
      }
    }
  )
  return countries
}

/**
 * Get the dialing code for a given phone number
 * @param phoneNumber
 */
export const getDialingCode = (phoneNumber?: string): string | undefined => {
  if (!phoneNumber) {
    return
  }
  const maxDialingCodeLength = 5
  const start = phoneNumber
    ?.replace(/^(\+|00)/, "")
    .slice(0, maxDialingCodeLength)
  if (start) {
    const tree = start.split("")
    let testedDialingCode = tree.join("")
    let match = countriesMap.get(testedDialingCode)
    while (!match && tree.length) {
      tree.pop()
      testedDialingCode = tree.join("")
      match = countriesMap.get(testedDialingCode)
    }

    if (match && testedDialingCode) {
      return testedDialingCode
    }
  }
}

/**
 * Get a country from a given phone number
 */
export const getCountryFromPhoneNumber = (
  phoneNumber?: string
): Country | undefined => {
  const dialingCode = getDialingCode(phoneNumber)
  if (dialingCode) {
    return countriesMap.get(dialingCode)
  }
}

/**
 * ISO 3166-1 countries (sovereign or not)
 */
export const countries: BaseCountry[] = [
  {
    code: "AD",
    name: "Andorra",
    dial_country_code: "376"
  },
  {
    code: "AE",
    name: "United Arab Emirates",
    dial_country_code: "971"
  },
  {
    code: "AF",
    name: "Afghanistan",
    dial_country_code: "93"
  },
  {
    code: "AG",
    name: "Antigua and Barbuda",
    dial_country_code: "1",
    dial_region_codes: ["268"]
  },
  {
    code: "AI",
    name: "Anguilla",
    dial_country_code: "1",
    dial_region_codes: ["264"]
  },
  {
    code: "AL",
    name: "Albania",
    dial_country_code: "355"
  },
  {
    code: "AM",
    name: "Armenia",
    dial_country_code: "374"
  },
  {
    code: "AO",
    name: "Angola",
    dial_country_code: "244"
  },
  {
    code: "AQ",
    name: "Antarctica",
    dial_country_code: "672"
  },
  {
    code: "AR",
    name: "Argentina",
    dial_country_code: "54"
  },
  {
    code: "AS",
    name: "American Samoa",
    dial_country_code: "1",
    dial_region_codes: ["684"]
  },
  {
    code: "AT",
    name: "Austria",
    dial_country_code: "43"
  },
  {
    code: "AU",
    name: "Australia",
    dial_country_code: "61"
  },
  {
    code: "AW",
    name: "Aruba",
    dial_country_code: "297"
  },
  {
    code: "AX",
    name: "Åland Islands",
    dial_country_code: "358",
    dial_region_codes: ["18"]
  },
  {
    code: "AZ",
    name: "Azerbaijan",
    dial_country_code: "994"
  },
  {
    code: "BA",
    name: "Bosnia and Herzegovina",
    dial_country_code: "387"
  },
  {
    code: "BB",
    name: "Barbados",
    dial_country_code: "1",
    dial_region_codes: ["246"]
  },
  {
    code: "BD",
    name: "Bangladesh",
    dial_country_code: "880"
  },
  {
    code: "BE",
    name: "Belgium",
    dial_country_code: "32"
  },
  {
    code: "BF",
    name: "Burkina Faso",
    dial_country_code: "226"
  },
  {
    code: "BG",
    name: "Bulgaria",
    dial_country_code: "359"
  },
  {
    code: "BH",
    name: "Bahrain",
    dial_country_code: "973"
  },
  {
    code: "BI",
    name: "Burundi",
    dial_country_code: "257"
  },
  {
    code: "BJ",
    name: "Benin",
    dial_country_code: "229"
  },
  {
    code: "BL",
    name: "Saint Barthélemy",
    dial_country_code: "590"
  },
  {
    code: "BM",
    name: "Bermuda",
    dial_country_code: "1",
    dial_region_codes: ["441"]
  },
  {
    code: "BN",
    name: "Brunei Darussalam",
    dial_country_code: "673"
  },
  {
    code: "BO",
    name: "Bolivia",
    dial_country_code: "591"
  },
  {
    code: "BQ",
    name: "Bonaire, Sint Eustatius and Saba",
    dial_country_code: "599"
  },
  {
    code: "BR",
    name: "Brazil",
    dial_country_code: "55"
  },
  {
    code: "BS",
    name: "Bahamas",
    dial_country_code: "1",
    dial_region_codes: ["242"]
  },
  {
    code: "BT",
    name: "Bhutan",
    dial_country_code: "975"
  },
  {
    code: "BV",
    name: "Bouvet Island",
    dial_country_code: "47"
  },
  {
    code: "BW",
    name: "Botswana",
    dial_country_code: "267"
  },
  {
    code: "BY",
    name: "Belarus",
    dial_country_code: "375"
  },
  {
    code: "BZ",
    name: "Belize",
    dial_country_code: "501"
  },
  {
    code: "CA",
    name: "Canada",
    dial_country_code: "1",
    dial_region_codes: [
      "587",
      "403",
      "780",
      "819",
      "902",
      "226",
      "519",
      "289",
      "905",
      "438",
      "514",
      "343",
      "613",
      "418",
      "581",
      "306",
      "705",
      "249",
      "600",
      "506",
      "709",
      "450",
      "579",
      "807",
      "647",
      "416",
      "236",
      "778",
      "604",
      "250",
      "204",
      "867"
    ]
  },
  {
    code: "CC",
    name: "Cocos (Keeling) Islands",
    dial_country_code: "61"
  },
  {
    code: "CD",
    name: "Congo",
    dial_country_code: "243"
  },
  {
    code: "CF",
    name: "Central African Republic",
    dial_country_code: "236"
  },
  {
    code: "CG",
    name: "Congo",
    dial_country_code: "242"
  },
  {
    code: "CH",
    name: "Switzerland",
    dial_country_code: "41"
  },
  {
    code: "CI",
    name: "Côte D'Ivoire",
    dial_country_code: "225"
  },
  {
    code: "CK",
    name: "Cook Islands",
    dial_country_code: "682"
  },
  {
    code: "CL",
    name: "Chile",
    dial_country_code: "56"
  },
  {
    code: "CM",
    name: "Cameroon",
    dial_country_code: "237"
  },
  {
    code: "CN",
    name: "China",
    dial_country_code: "86"
  },
  {
    code: "CO",
    name: "Colombia",
    dial_country_code: "57"
  },
  {
    code: "CR",
    name: "Costa Rica",
    dial_country_code: "506"
  },
  {
    code: "CU",
    name: "Cuba",
    dial_country_code: "53"
  },
  {
    code: "CV",
    name: "Cape Verde",
    dial_country_code: "238"
  },
  {
    code: "CW",
    name: "Curaçao",
    dial_country_code: "599"
  },
  {
    code: "CX",
    name: "Christmas Island",
    dial_country_code: "61",
    dial_region_codes: ["89164"]
  },
  {
    code: "CY",
    name: "Cyprus",
    dial_country_code: "357"
  },
  {
    code: "CZ",
    name: "Czech Republic",
    dial_country_code: "420"
  },
  {
    code: "DE",
    name: "Germany",
    dial_country_code: "49"
  },
  {
    code: "DJ",
    name: "Djibouti",
    dial_country_code: "253"
  },
  {
    code: "DK",
    name: "Denmark",
    dial_country_code: "45"
  },
  {
    code: "DM",
    name: "Dominica",
    dial_country_code: "1",
    dial_region_codes: ["767"]
  },
  {
    code: "DO",
    name: "Dominican Republic",
    dial_country_code: "1",
    dial_region_codes: ["809", "829", "849"]
  },
  {
    code: "DZ",
    name: "Algeria",
    dial_country_code: "213"
  },
  {
    code: "EC",
    name: "Ecuador",
    dial_country_code: "593"
  },
  {
    code: "EE",
    name: "Estonia",
    dial_country_code: "372"
  },
  {
    code: "EG",
    name: "Egypt",
    dial_country_code: "20"
  },
  {
    code: "EH",
    name: "Western Sahara",
    dial_country_code: "212"
  },
  {
    code: "ER",
    name: "Eritrea",
    dial_country_code: "291"
  },
  {
    code: "ES",
    name: "Spain",
    dial_country_code: "34"
  },
  {
    code: "ET",
    name: "Ethiopia",
    dial_country_code: "251"
  },
  {
    code: "FI",
    name: "Finland",
    dial_country_code: "358"
  },
  {
    code: "FJ",
    name: "Fiji",
    dial_country_code: "679"
  },
  {
    code: "FK",
    name: "Falkland Islands (Malvinas)",
    dial_country_code: "500"
  },
  {
    code: "FM",
    name: "Micronesia",
    dial_country_code: "691"
  },
  {
    code: "FO",
    name: "Faroe Islands",
    dial_country_code: "298"
  },
  {
    code: "FR",
    name: "France",
    dial_country_code: "33"
  },
  {
    code: "GA",
    name: "Gabon",
    dial_country_code: "241"
  },
  {
    code: "GB",
    name: "United Kingdom",
    dial_country_code: "44"
  },
  {
    code: "GD",
    name: "Grenada",
    dial_country_code: "1",
    dial_region_codes: ["473"]
  },
  {
    code: "GE",
    name: "Georgia",
    dial_country_code: "995"
  },
  {
    code: "GF",
    name: "French Guiana",
    dial_country_code: "594"
  },
  {
    code: "GG",
    name: "Guernsey",
    dial_country_code: "44",
    dial_region_codes: ["1481"]
  },
  {
    code: "GH",
    name: "Ghana",
    dial_country_code: "233"
  },
  {
    code: "GI",
    name: "Gibraltar",
    dial_country_code: "350"
  },
  {
    code: "GL",
    name: "Greenland",
    dial_country_code: "299"
  },
  {
    code: "GM",
    name: "Gambia",
    dial_country_code: "220"
  },
  {
    code: "GN",
    name: "Guinea",
    dial_country_code: "224"
  },
  {
    code: "GP",
    name: "Guadeloupe",
    dial_country_code: "590"
  },
  {
    code: "GQ",
    name: "Equatorial Guinea",
    dial_country_code: "240"
  },
  {
    code: "GR",
    name: "Greece",
    dial_country_code: "30"
  },
  {
    code: "GS",
    name: "South Georgia",
    dial_country_code: "500"
  },
  {
    code: "GT",
    name: "Guatemala",
    dial_country_code: "502"
  },
  {
    code: "GU",
    name: "Guam",
    dial_country_code: "1",
    dial_region_codes: ["671"]
  },
  {
    code: "GW",
    name: "Guinea-Bissau",
    dial_country_code: "245"
  },
  {
    code: "GY",
    name: "Guyana",
    dial_country_code: "592"
  },
  {
    code: "HK",
    name: "Hong Kong",
    dial_country_code: "852"
  },
  {
    code: "HM",
    name: "Heard Island and Mcdonald Islands",
    dial_country_code: "672"
  },
  {
    code: "HN",
    name: "Honduras",
    dial_country_code: "504"
  },
  {
    code: "HR",
    name: "Croatia",
    dial_country_code: "385"
  },
  {
    code: "HT",
    name: "Haiti",
    dial_country_code: "509"
  },
  {
    code: "HU",
    name: "Hungary",
    dial_country_code: "36"
  },
  {
    code: "ID",
    name: "Indonesia",
    dial_country_code: "62"
  },
  {
    code: "IE",
    name: "Ireland",
    dial_country_code: "353"
  },
  {
    code: "IL",
    name: "Israel",
    dial_country_code: "972"
  },
  {
    code: "IM",
    name: "Isle of Man",
    dial_country_code: "44",
    dial_region_codes: ["1624"]
  },
  {
    code: "IN",
    name: "India",
    dial_country_code: "91"
  },
  {
    code: "IO",
    name: "British Indian Ocean Territory",
    dial_country_code: "246"
  },
  {
    code: "IQ",
    name: "Iraq",
    dial_country_code: "964"
  },
  {
    code: "IR",
    name: "Iran",
    dial_country_code: "98"
  },
  {
    code: "IS",
    name: "Iceland",
    dial_country_code: "354"
  },
  {
    code: "IT",
    name: "Italy",
    dial_country_code: "39"
  },
  {
    code: "JE",
    name: "Jersey",
    dial_country_code: "44",
    dial_region_codes: ["1534"]
  },
  {
    code: "JM",
    name: "Jamaica",
    dial_country_code: "1",
    dial_region_codes: ["658", "876"]
  },
  {
    code: "JO",
    name: "Jordan",
    dial_country_code: "962"
  },
  {
    code: "JP",
    name: "Japan",
    dial_country_code: "81"
  },
  {
    code: "KE",
    name: "Kenya",
    dial_country_code: "254"
  },
  {
    code: "KG",
    name: "Kyrgyzstan",
    dial_country_code: "996"
  },
  {
    code: "KH",
    name: "Cambodia",
    dial_country_code: "855"
  },
  {
    code: "KI",
    name: "Kiribati",
    dial_country_code: "686"
  },
  {
    code: "KM",
    name: "Comoros",
    dial_country_code: "269"
  },
  {
    code: "KN",
    name: "Saint Kitts and Nevis",
    dial_country_code: "1",
    dial_region_codes: ["869"]
  },
  {
    code: "KP",
    name: "North Korea",
    dial_country_code: "850"
  },
  {
    code: "KR",
    name: "South Korea",
    dial_country_code: "82"
  },
  {
    code: "KW",
    name: "Kuwait",
    dial_country_code: "965"
  },
  {
    code: "KY",
    name: "Cayman Islands",
    dial_country_code: "1",
    dial_region_codes: ["345"]
  },
  {
    code: "KZ",
    name: "Kazakhstan",
    dial_country_code: "7"
  },
  {
    code: "LA",
    name: "Lao People's Democratic Republic",
    dial_country_code: "856"
  },
  {
    code: "LB",
    name: "Lebanon",
    dial_country_code: "961"
  },
  {
    code: "LC",
    name: "Saint Lucia",
    dial_country_code: "1",
    dial_region_codes: ["758"]
  },
  {
    code: "LI",
    name: "Liechtenstein",
    dial_country_code: "423"
  },
  {
    code: "LK",
    name: "Sri Lanka",
    dial_country_code: "94"
  },
  {
    code: "LR",
    name: "Liberia",
    dial_country_code: "231"
  },
  {
    code: "LS",
    name: "Lesotho",
    dial_country_code: "266"
  },
  {
    code: "LT",
    name: "Lithuania",
    dial_country_code: "370"
  },
  {
    code: "LU",
    name: "Luxembourg",
    dial_country_code: "352"
  },
  {
    code: "LV",
    name: "Latvia",
    dial_country_code: "371"
  },
  {
    code: "LY",
    name: "Libya",
    dial_country_code: "218"
  },
  {
    code: "MA",
    name: "Morocco",
    dial_country_code: "212"
  },
  {
    code: "MC",
    name: "Monaco",
    dial_country_code: "377"
  },
  {
    code: "MD",
    name: "Moldova",
    dial_country_code: "373"
  },
  {
    code: "ME",
    name: "Montenegro",
    dial_country_code: "382"
  },
  {
    code: "MF",
    name: "Saint Martin (French Part)",
    dial_country_code: "590"
  },
  {
    code: "MG",
    name: "Madagascar",
    dial_country_code: "261"
  },
  {
    code: "MH",
    name: "Marshall Islands",
    dial_country_code: "692"
  },
  {
    code: "MK",
    name: "Macedonia",
    dial_country_code: "389"
  },
  {
    code: "ML",
    name: "Mali",
    dial_country_code: "223"
  },
  {
    code: "MM",
    name: "Myanmar",
    dial_country_code: "95"
  },
  {
    code: "MN",
    name: "Mongolia",
    dial_country_code: "976"
  },
  {
    code: "MO",
    name: "Macao",
    dial_country_code: "853"
  },
  {
    code: "MP",
    name: "Northern Mariana Islands",
    dial_country_code: "1",
    dial_region_codes: ["670"]
  },
  {
    code: "MQ",
    name: "Martinique",
    dial_country_code: "596"
  },
  {
    code: "MR",
    name: "Mauritania",
    dial_country_code: "222"
  },
  {
    code: "MS",
    name: "Montserrat",
    dial_country_code: "1",
    dial_region_codes: ["664"]
  },
  {
    code: "MT",
    name: "Malta",
    dial_country_code: "356"
  },
  {
    code: "MU",
    name: "Mauritius",
    dial_country_code: "230"
  },
  {
    code: "MV",
    name: "Maldives",
    dial_country_code: "960"
  },
  {
    code: "MW",
    name: "Malawi",
    dial_country_code: "265"
  },
  {
    code: "MX",
    name: "Mexico",
    dial_country_code: "52"
  },
  {
    code: "MY",
    name: "Malaysia",
    dial_country_code: "60"
  },
  {
    code: "MZ",
    name: "Mozambique",
    dial_country_code: "258"
  },
  {
    code: "NA",
    name: "Namibia",
    dial_country_code: "264"
  },
  {
    code: "NC",
    name: "New Caledonia",
    dial_country_code: "687"
  },
  {
    code: "NE",
    name: "Niger",
    dial_country_code: "227"
  },
  {
    code: "NF",
    name: "Norfolk Island",
    dial_country_code: "672",
    dial_region_codes: ["3"]
  },
  {
    code: "NG",
    name: "Nigeria",
    dial_country_code: "234"
  },
  {
    code: "NI",
    name: "Nicaragua",
    dial_country_code: "505"
  },
  {
    code: "NL",
    name: "Netherlands",
    dial_country_code: "31"
  },
  {
    code: "NO",
    name: "Norway",
    dial_country_code: "47"
  },
  {
    code: "NP",
    name: "Nepal",
    dial_country_code: "977"
  },
  {
    code: "NR",
    name: "Nauru",
    dial_country_code: "674"
  },
  {
    code: "NU",
    name: "Niue",
    dial_country_code: "683"
  },
  {
    code: "NZ",
    name: "New Zealand",
    dial_country_code: "64"
  },
  {
    code: "OM",
    name: "Oman",
    dial_country_code: "968"
  },
  {
    code: "PA",
    name: "Panama",
    dial_country_code: "507"
  },
  {
    code: "PE",
    name: "Peru",
    dial_country_code: "51"
  },
  {
    code: "PF",
    name: "French Polynesia",
    dial_country_code: "689"
  },
  {
    code: "PG",
    name: "Papua New Guinea",
    dial_country_code: "675"
  },
  {
    code: "PH",
    name: "Philippines",
    dial_country_code: "63"
  },
  {
    code: "PK",
    name: "Pakistan",
    dial_country_code: "92"
  },
  {
    code: "PL",
    name: "Poland",
    dial_country_code: "48"
  },
  {
    code: "PM",
    name: "Saint Pierre and Miquelon",
    dial_country_code: "508"
  },
  {
    code: "PN",
    name: "Pitcairn",
    dial_country_code: "64"
  },
  {
    code: "PR",
    name: "Puerto Rico",
    dial_country_code: "1",
    dial_region_codes: ["787", "939"]
  },
  {
    code: "PS",
    name: "Palestinian Territory",
    dial_country_code: "970"
  },
  {
    code: "PT",
    name: "Portugal",
    dial_country_code: "351"
  },
  {
    code: "PW",
    name: "Palau",
    dial_country_code: "680"
  },
  {
    code: "PY",
    name: "Paraguay",
    dial_country_code: "595"
  },
  {
    code: "QA",
    name: "Qatar",
    dial_country_code: "974"
  },
  {
    code: "RE",
    name: "Réunion",
    dial_country_code: "262"
  },
  {
    code: "RO",
    name: "Romania",
    dial_country_code: "40"
  },
  {
    code: "RS",
    name: "Serbia",
    dial_country_code: "381"
  },
  {
    code: "RU",
    name: "Russia",
    dial_country_code: "7"
  },
  {
    code: "RW",
    name: "Rwanda",
    dial_country_code: "250"
  },
  {
    code: "SA",
    name: "Saudi Arabia",
    dial_country_code: "966"
  },
  {
    code: "SB",
    name: "Solomon Islands",
    dial_country_code: "677"
  },
  {
    code: "SC",
    name: "Seychelles",
    dial_country_code: "248"
  },
  {
    code: "SD",
    name: "Sudan",
    dial_country_code: "249"
  },
  {
    code: "SE",
    name: "Sweden",
    dial_country_code: "46"
  },
  {
    code: "SG",
    name: "Singapore",
    dial_country_code: "65"
  },
  {
    code: "SH",
    name: "Saint Helena, Ascension and Tristan Da Cunha",
    dial_country_code: "290"
  },
  {
    code: "SI",
    name: "Slovenia",
    dial_country_code: "386"
  },
  {
    code: "SJ",
    name: "Svalbard and Jan Mayen",
    dial_country_code: "47",
    dial_region_codes: ["79"]
  },
  {
    code: "SK",
    name: "Slovakia",
    dial_country_code: "421"
  },
  {
    code: "SL",
    name: "Sierra Leone",
    dial_country_code: "232"
  },
  {
    code: "SM",
    name: "San Marino",
    dial_country_code: "378"
  },
  {
    code: "SN",
    name: "Senegal",
    dial_country_code: "221"
  },
  {
    code: "SO",
    name: "Somalia",
    dial_country_code: "252"
  },
  {
    code: "SR",
    name: "Suriname",
    dial_country_code: "597"
  },
  {
    code: "SS",
    name: "South Sudan",
    dial_country_code: "211"
  },
  {
    code: "ST",
    name: "Sao Tome and Principe",
    dial_country_code: "239"
  },
  {
    code: "SV",
    name: "El Salvador",
    dial_country_code: "503"
  },
  {
    code: "SX",
    name: "Sint Maarten",
    dial_country_code: "1",
    dial_region_codes: ["721"]
  },
  {
    code: "SY",
    name: "Syrian Arab Republic",
    dial_country_code: "963"
  },
  {
    code: "SZ",
    name: "Swaziland",
    dial_country_code: "268"
  },
  {
    code: "TC",
    name: "Turks and Caicos Islands",
    dial_country_code: "1",
    dial_region_codes: ["649"]
  },
  {
    code: "TD",
    name: "Chad",
    dial_country_code: "235"
  },
  {
    code: "TF",
    name: "French Southern Territories",
    dial_country_code: "262"
  },
  {
    code: "TG",
    name: "Togo",
    dial_country_code: "228"
  },
  {
    code: "TH",
    name: "Thailand",
    dial_country_code: "66"
  },
  {
    code: "TJ",
    name: "Tajikistan",
    dial_country_code: "992"
  },
  {
    code: "TK",
    name: "Tokelau",
    dial_country_code: "690"
  },
  {
    code: "TL",
    name: "Timor-Leste",
    dial_country_code: "670"
  },
  {
    code: "TM",
    name: "Turkmenistan",
    dial_country_code: "993"
  },
  {
    code: "TN",
    name: "Tunisia",
    dial_country_code: "216"
  },
  {
    code: "TO",
    name: "Tonga",
    dial_country_code: "676"
  },
  {
    code: "TR",
    name: "Turkey",
    dial_country_code: "90"
  },
  {
    code: "TT",
    name: "Trinidad and Tobago",
    dial_country_code: "1",
    dial_region_codes: ["868"]
  },
  {
    code: "TV",
    name: "Tuvalu",
    dial_country_code: "688"
  },
  {
    code: "TW",
    name: "Taiwan",
    dial_country_code: "886"
  },
  {
    code: "TZ",
    name: "Tanzania",
    dial_country_code: "255"
  },
  {
    code: "UA",
    name: "Ukraine",
    dial_country_code: "380"
  },
  {
    code: "UG",
    name: "Uganda",
    dial_country_code: "256"
  },
  {
    code: "UM",
    name: "United States Minor Outlying Islands",
    dial_country_code: "1"
  },
  {
    code: "US",
    name: "United States",
    dial_country_code: "1"
  },
  {
    code: "UY",
    name: "Uruguay",
    dial_country_code: "598"
  },
  {
    code: "UZ",
    name: "Uzbekistan",
    dial_country_code: "998"
  },
  {
    code: "VA",
    name: "Vatican City",
    dial_country_code: "39"
  },
  {
    code: "VC",
    name: "Saint Vincent and The Grenadines",
    dial_country_code: "1",
    dial_region_codes: ["784"]
  },
  {
    code: "VE",
    name: "Venezuela",
    dial_country_code: "58"
  },
  {
    code: "VG",
    name: "Virgin Islands, British",
    dial_country_code: "1",
    dial_region_codes: ["284"]
  },
  {
    code: "VI",
    name: "Virgin Islands, U.S.",
    dial_country_code: "1",
    dial_region_codes: ["340"]
  },
  {
    code: "VN",
    name: "Viet Nam",
    dial_country_code: "84"
  },
  {
    code: "VU",
    name: "Vanuatu",
    dial_country_code: "678"
  },
  {
    code: "WF",
    name: "Wallis and Futuna",
    dial_country_code: "681"
  },
  {
    code: "WS",
    name: "Samoa",
    dial_country_code: "685"
  },
  {
    code: "YE",
    name: "Yemen",
    dial_country_code: "967"
  },
  {
    code: "YT",
    name: "Mayotte",
    dial_country_code: "262",
    dial_region_codes: ["269", "639"]
  },
  {
    code: "ZA",
    name: "South Africa",
    dial_country_code: "27"
  },
  {
    code: "ZM",
    name: "Zambia",
    dial_country_code: "260"
  },
  {
    code: "ZW",
    name: "Zimbabwe",
    dial_country_code: "263"
  }
].map((entry) => ({ ...entry, emoji: getFlagEmoji(entry.code) }))

/**
 * Because some countries can have multiple regional codes
 * flattenedCountries provides a flattened list of Country,
 * with each having a single unique dialing code
 */
export const flattenedCountries = mapBaseCountriesToCountries(countries).sort(
  (a, b) => a.name.localeCompare(b.name)
)

console.log(flattenedCountries.length, flattenedCountries)

/**
 * We also build a map to make the dialing code lookup easier / cheaper
 */
export const countriesMap = new Map(
  flattenedCountries.map((country) => [country.dialing_code, country])
)