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@wuyuchentr/emoji-flag

v1.0.0

Published

25 days ago

Convert country codes to emoji flags ("CN" → 🇨🇳). Supports all two-letter codes. < 1 KB.

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emoji flag country locale regional-indicator

@wuyuchentr/emoji-flag

Convert country codes to emoji flags — "CN" → 🇨🇳. < 1 KB, no dependencies.

Install

npm install @wuyuchentr/emoji-flag

Usage

const { flag, isFlag, code } = require('@wuyuchentr/emoji-flag');

flag('CN')  // → 🇨🇳
flag('US')  // → 🇺🇸
flag('JP')  // → 🇯🇵
flag('GB')  // → 🇬🇧
flag('🏴󠁧󠁢󠁥󠁮󠁧󠁿')  // No — this one you need to type directly :)

// Validate
isFlag('🇨🇳')  // → true
isFlag('xx')   // → false

// Reverse
code('🇨🇳')  // → "CN"

API

| Function | Description | |----------|-------------| | flag(code) | Two-letter country code → flag emoji | | isFlag(str) | Check if a string is a flag emoji | | code(emoji) | Flag emoji → two-letter country code |

How it works

Each flag emoji is two Regional Indicator Symbols (U+1F1E6–U+1F1FF), one per letter of the ISO country code. The conversion is a simple arithmetic offset — no lookup table needed. Any valid two-letter code (AA–ZZ) will produce a visible flag on modern OS.