我该如何解决这个错误'无法读取未定义的属性（读取'符号'）'在fastify上

Question

我正在为我的后端实现一个 JWT 生成器，但是当使用 fastify 方式时，我得到了这个错误：

无法读取未定义的属性（读取“符号”）

所以我在这里卡住了。

有人会知道原因，我附上我的代码片段。

import fetch from "node-fetch";
import { randomBytes, createHash } from "crypto";
import { PrismaClient, users } from ".prisma/client";
import { Jwt, JwtPayload } from "jsonwebtoken";

import HttpsProxyAgent from "https-proxy-agent";
const proxyAgent = HttpsProxyAgent("http://148.201.1.200:3128");

const fastify = require('fastify')()



function genRandomString(length) {
  return randomBytes(Math.ceil(length)).toString("hex").slice(0, length);
}

function generateJWTToken(user: users) {
  const { password, sal, active, ...enviar } = user;

  const token = fastify.jwt.sign({
    ...enviar,
  });
  

  console.log(token);

  const decoded: Jwt = fastify.jwt.decode(token, { complete: true });

  return {
    token,
    uuid: user.id,
    nombre: `${user.name} ${user.lastname_p} ${user.lastname_m}`,
    exp: (decoded.payload as JwtPayload).exp,
  };
}

main.ts

async function main() {
  app.register(require("@fastify/swagger"), swaggerOptions);
  
  app.register(require('@fastify/jwt'), {
    secret: 'supersecret'
  })

  app.decorate("prisma", prisma);

  app.register(require("@fastify/cors"), {
    origin: "*",
    methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"],
    allowedHeaders: ["Content-Type", "Authorization", "Accept"],
  });

  app
    .register(authRouterWeb, {
      prefix: "/api/v1/auth-web",
    });

  app.listen(port, (err, address) => {
    if (err) {
      app.log.error(err);
      process.exit(1);
    }
    app.log.info(`server listening on ${address}`);
  });
}

因此，如果您有任何建议或其他替代方法来更改或改进我的代码，请不胜感激。

Answer 1

此错误意味着执行此行时fastify.jwt undefined ：

// fastify.jwt === undefined, you cannot access anything from it
const token = fastify.jwt.sign({
  ...enviar,
});

从https://github.com/fastify/fastify-jwt阅读文档，我假设您需要通过调用以下代码来创建 JWT 令牌：

fastify.register(require('@fastify/jwt'), {
  secret: 'supersecret'
})

你也可以在这里找到有用的信息： Fastify not defined when trying to sign a jwt with fastify-jwt