TypeScriptでSingletonパターンを実装する - Qiita

TypeScriptでSingletonパターンを実装する - Qiita

class Singleton { private static _instance:Singleton = null; constructor() { if(Singleton._instan...概要を表示 class Singleton { private static _instance:Singleton = null; constructor() { if(Singleton._instance){ throw new Error("must use the getInstance."); } Singleton._instance = this; } public static getInstance():Singleton { if(Singleton._instance === null) { Singleton._instance = new Singleton(); } return Singleton._instance; } }

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