emoji-flags-to-country/index.js

Convert emoji country flags to country code.

const flagToCountryMap = require('./map');

/**
 * Emoji flag to country code converter
 * @param {String} flag Emoji flag to convert
 * @return {String} Country code ISO 3166
 */
function flagToCountry(flag) {
  return flagToCountryMap[flag];
}

/**
 * Find emoji flags in text
 * @param {String} text Text that contains emoji flags
 * @return {String[]} Array of flags
 */
function getFlagsInText(text) {
  // Regexp from https://medium.com/reactnative/emojis-in-javascript-f693d0eb79fb
  // eslint-disable-next-line max-len
  const emojiRegexp = new RegExp('(?:[\u2700-\u27bf]|(?:\ud83c[\udde6-\uddff]){2})', 'g');
  return (text || '').match(emojiRegexp) || [];
}

module.exports = {
  flagToCountry,
  getFlagsInText,
};