javascript - Next.js 错误序列化从 `.res` 返回的 `getServerSideProps`

Question

当我使用 getServerSideProps 函数从 Binance API 检索数据时，出现以下错误。

import binance from "../config/binance-config";

export async function getServerSideProps() {

  const res = await binance.balance((error, balances) => {
    console.info("BTC balance: ", balances.BTC.available);
  });

  return {
    props: {
      res,
    },
  };
}

---

import Binance from "node-binance-api"

const binance = new Binance().options({
  APIKEY: 'xxx',
  APISECRET: 'xxx'
});

export default binance;

错误输出:

Error: Error serializing `.res` returned from `getServerSideProps` in "/dashboard".
Reason: `undefined` cannot be serialized as JSON. Please use `null` or omit this value.

我不确定如何解决此错误。我只是希望能够通过将响应作为 Prop 发送到另一个组件中来挖掘(和显示)响应。

谢谢!

Answer 1

下面是我在 NextJs 中的解决方法

// Get Data from Database
export async function getServerSideProps(ctx) {
  const { params } = ctx;
  const { slug } = params;

  await dbConnect.connect();
  const member = await Member.findOne({ slug }).lean();
  await dbConnect.disconnect();

  return {
    props: {
      member: JSON.parse(JSON.stringify(member)), // <== here is a solution
    },
  };
}