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readonlyしてないのにreadonlyエラー

Posted at

なんでだろう

interface UserModel {
    name: string;
}
const newUser = Object.create(UserModel);
newUser.name = 'xxx' // ←TypeError: "name" is read-only

調べてわかったこと

  • JavaScript組み込みオブジェクトのFunctionにnameという名の
    「読み取り専用」プロパティがある
         ↓
  • TypeScriptの言語的な特性上、その読み取り専用のプロパティに代入しようとしたと
    判断されてしまった?

どう対応したか

  • UserModelのnameをuserNameに変更しました。

・・・ほかにも方法があったのか、詳しい人いたら教えてくださいまし m(__)m

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