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// Put this in a folder together with the "svg" folder from Twemoji. Create a new folder next to it called "flags".
const fs = require("fs");
const path = require("path");
// country code regex
const CC_REGEX = /^[a-z]{2}$/i;
// offset between uppercase ascii and regional indicator symbols
const OFFSET = 127397;
/**
* convert country code to corresponding flag emoji
* @param {string} cc - country code string
* @returns {string} flag emoji
*/
function countryCodeEmoji(cc) {
if (!CC_REGEX.test(cc)) {
const type = typeof cc;
throw new TypeError(
`cc argument must be an ISO 3166-1 alpha-2 string, but got '${
type === "string" ? cc : type
}' instead.`
);
}
const codePoints = [...cc.toUpperCase()].map((c) => c.codePointAt() + OFFSET);
return codePoints.map((codepoints) => codepoints.toString(16)).join("-");
}
const countryCodes = [
"AF",
"AX",
"AL",
"DZ",
"AD",
"AO",
"AI",
"AG",
"AR",
"AM",
"AW",
"AC",
"AU",
"AT",
"AZ",
"BS",
"BH",
"BD",
"BB",
"BY",
"BE",
"BZ",
"BJ",
"BM",
"BT",
"BO",
"BA",
"BW",
"BV",
"BR",
"IO",
"BN",
"BG",
"BF",
"BI",
"KH",
"CA",
"CV",
"BQ",
"KY",
"CF",
"TD",
"CL",
"CN",
"CX",
"CC",
"CO",
"KM",
"CG",
"CD",
"CK",
"CR",
"HR",
"CU",
"CW",
"CY",
"CZ",
"CI",
"DK",
"DJ",
"DM",
"DO",
"EC",
"EG",
"SV",
"GQ",
"ER",
"EE",
"SZ",
"ET",
"FK",
"FO",
"FJ",
"FI",
"FR",
"GF",
"PF",
"TF",
"GA",
"GM",
"GE",
"DE",
"GH",
"GI",
"GR",
"GL",
"GD",
"GP",
"GT",
"GG",
"GN",
"GW",
"GY",
"HT",
"HM",
"VA",
"HN",
"HK",
"HU",
"IS",
"IN",
"ID",
"IR",
"IQ",
"IE",
"IM",
"IL",
"IT",
"JM",
"JP",
"JE",
"JO",
"KZ",
"KE",
"KI",
"KP",
"XK",
"KW",
"KG",
"LA",
"LV",
"LB",
"LS",
"LR",
"LY",
"LI",
"LT",
"LU",
"MO",
"MG",
"MW",
"MY",
"MV",
"ML",
"MT",
"MQ",
"MR",
"MU",
"YT",
"MX",
"MD",
"MC",
"MN",
"ME",
"MS",
"MA",
"MZ",
"MM",
"NA",
"NR",
"NP",
"NL",
"NC",
"NZ",
"NI",
"NE",
"NG",
"NU",
"NF",
"MK",
"NO",
"OM",
"PK",
"PS",
"PA",
"PG",
"PY",
"PE",
"PH",
"PN",
"PL",
"PT",
"QA",
"CM",
"RE",
"RO",
"RU",
"RW",
"BL",
"SH",
"KN",
"LC",
"MF",
"PM",
"WS",
"SM",
"ST",
"SA",
"SN",
"RS",
"SC",
"SL",
"SG",
"SX",
"SK",
"SI",
"SB",
"SO",
"ZA",
"GS",
"KR",
"SS",
"ES",
"LK",
"VC",
"SD",
"SR",
"SJ",
"SE",
"CH",
"SY",
"TW",
"TJ",
"TZ",
"TH",
"TL",
"TG",
"TK",
"TO",
"TT",
"TA",
"TN",
"TR",
"TM",
"TC",
"TV",
"UG",
"UA",
"AE",
"GB",
"US",
"UM",
"UY",
"UZ",
"VU",
"VE",
"VN",
"VG",
"WF",
"EH",
"YE",
"ZM",
"ZW",
];
countryCodes.map((cc) => {
const pathname = path.resolve(`./svg/${countryCodeEmoji(cc)}.svg`);
fs.copyFileSync(pathname, path.resolve(`./flags/${cc}.svg`));
return cc;
});
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