问实现继承的有效途径

EN

class BaseErrorResponse {
    constructor(mes, rti, rsi, st) {
        this.message = msg;
        this.response_type_id = rti;
        this.response_status_id = rsi;
        this.status = st;
    }
}

class InvalidParamResponse extends BaseErrorResponse {
    constructor(mes, rti, rsi, st, ip) {
        super(mes, rti, rsi, st);
        this.invalid_params = ip;
    }
}

class SuccessResponse extends BaseErrorResponse {
    constructor(msg, rti, rsi, st, data) {
        super(null, null, null, null); // Why the nulls when you're passing
                                       // those args in?
        this.data = {};                // Didn't you mean = data here?
    }
}

class SuccessResponse extends BaseErrorResponse {
    constructor(msg, rti, rsi, st, data) {
        super(msg, rti, rsi, st);
        this.data = data;
    }
}

let BaseErrorResponse = function(mes, rti, rsi, st) {
    return {
        "message": msg,
        "response_type_id": rti,
        "response_status_id": rsi,
        "status": st
    }
};


let InvalidParamResponse = function(mes, rti, rsi, st, ip) {
    return Object.assign(BaseErrorResponse(mes, rti, rsi, st), {
        "invalid_params": ip
    });
};


let SuccessResponse = function(mes, rti, rsi, st, data) {
    return Object.assign(BaseErrorResponse(mes, rti, rsi, st), {
        "data": {}
    });
};

function BaseErrorResponse(mes, rti, rsi, st) {
    this.message = msg;
    this.response_type_id = rti;
    this.response_status_id = rsi;
    this.status = st;
}

function InvalidParamResponse(mes, rti, rsi, st, ip) {
    BaseErrorResponse.call(this, mes, rti, rsi, st);
    this.invalid_params = ip;
}

InvalidParamResponse.prototype = Object.create(BaseErrorResponse.prototype);
InvalidParamResponse.prototype.constructor = InvalidParamResponse;

function SuccessResponse(mes, rti, rsi, st, data) {
    BaseErrorResponse.call(this, mes, rti, rsi, st);
    this.data = data;
}

SuccessResponse.prototype = Object.create(BaseErrorResponse.prototype);
SuccessResponse.prototype.constructor = SuccessResponse;

var BaseErrorResponse = function(mes, rti, rsi, st) {
  return { mes, rti, rsi, st };
};

var InvalidParamResponse = function(mes, rti, rsi, st, ip) {
  var response = BaseErrorResponse(mes, rti, rsi, st);
  response.invalid_params = ip;
  return response;
};

var SuccessResponse = function() {
  var response = BaseErrorResponse(null, null, null, null);
  response.data = {};
  return response;
};