country-flag-icons/modules/unicode.js

Vector (*.svg) country flag icons in 3x2 aspect ratio.

/**
 * Creates Unicode flag from a two-letter ISO country code.
 * https://stackoverflow.com/questions/24050671/how-to-put-japan-flag-character-in-a-string
 * @param  {string} country — A two-letter ISO country code (case-insensitive).
 * @return {string}
 */
export default function getCountryFlag(country) {
  return getRegionalIndicatorSymbol(country[0]) + getRegionalIndicatorSymbol(country[1]);
}
/**
 * Converts a letter to a Regional Indicator Symbol.
 * @param  {string} letter
 * @return {string}
 */

function getRegionalIndicatorSymbol(letter) {
  return String.fromCodePoint(0x1F1E6 - 65 + letter.toUpperCase().charCodeAt(0));
}
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