function isFlagEmoji()

in src/behaviors/emoji/support/is_emoji_unicode_supported.js [4:8]

• 4 lines of code
• 3 McCabe index (conditional complexity)

function isFlagEmoji(emojiUnicode) {
  const cp = emojiUnicode.codePointAt(0);
  // Length 4 because flags are made of 2 characters which are surrogate pairs
  return emojiUnicode.length === 4 && cp >= flagACodePoint && cp <= flagZCodePoint;
}