Troubleshooting type casting issue in Typescript when working with objects containing getters and setters

I'm facing an issue with the code snippet provided. I suspect it might be related to casting, but I'm unable to pinpoint the exact solution.

interface Code {
  code: string;
  expiration: number;
}

interface IActivationCode {
  [userId: string]: Code;
}
const activationCode: IActivationCode = {
  set userId(id: string) {
    this[id] = {
      code: Math.random()
        .toString(36)
        .substring(7),
      expiration: new Date().setMinutes(new Date().getMinutes() + 30)
    };
  },
  get userId() {
    return this.id;
  }
};

To analyze the problem further, you can try running the code in the TypeScript Playground.

javascripttypescriptcasting

Answer №1

    interface Code {
  code: string;
  expiration: number;
}

interface IActivationCode {
  [userName: string]: Code;
}
const activationCode: IActivationCode = {
  set userName(name: Code) {
     name = {
      code: Math.random()
        .toString(36)
        .substring(7),
      expiration: new Date().setMinutes(new Date().getMinutes() + 30)
    };
  },
  get userName() {
    return this.name;
  }
};

Updating the type to userName resolved the issue in the code, but it's still unclear what the intended purpose is.

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