TypeScriptにおける文字列列挙型

キーは数値だけでなく、文字列も使用できます:

typescriptenum Season {
  Winter = 'season 1',
  Spring = 'season 2',
  Summer = 'season 3',
  Autumn = 'season 4'
};

確認してみましょう:

typescriptlet current: Season = Season.Summer;
console.log(current); // 'season 3'