TypeScriptでobjectの値の参照渡しでコケた時の回避方法 - Qiita

import { User } from "./entities/User"; export const main = () => { let users: User[] = []; let user: User = { name: "alpha", age: 20 }; users.push(user); // nameのみ変更 user.name = "beta"; users.push(user); console.log({ users }); }; main();