小编Chu*_*Kul的帖子

我是 nest.js 初学者，我正在尝试用我的代码实现 Axios，但出现此错误，我想修复它。

    --> starting at object with constructor 'ClientRequest'
    |     property 'socket' -> object with constructor 'Socket'
    --- property '_httpMessage' closes the circle +188941ms
TypeError: Converting circular structure to JSON
    --> starting at object with constructor 'ClientRequest'
    |     property 'socket' -> object with constructor 'Socket'
    --- property '_httpMessage' closes the circle
    at JSON.stringify (<anonymous>)
    at stringify (D:\CUSportcomplex-register\sso-reg\node_modules\express\lib\response.js:1123:12)
    at ServerResponse.json (D:\CUSportcomplex-register\sso-reg\node_modules\express\lib\response.js:260:14)
    at ExpressAdapter.reply (D:\CUSportcomplex-register\sso-reg\node_modules\@nestjs\platform-express\adapters\express-adapter.js:24:57)
    at RouterResponseController.apply (D:\CUSportcomplex-register\sso-reg\node_modules\@nestjs\core\router\router-response-controller.js:13:36)
    at D:\CUSportcomplex-register\sso-reg\node_modules\@nestjs\core\router\router-execution-context.js:173:48
    at processTicksAndRejections (internal/process/task_queues.js:93:5)
    at async D:\CUSportcomplex-register\sso-reg\node_modules\@nestjs\core\router\router-execution-context.js:47:13
    at async D:\CUSportcomplex-register\sso-reg\node_modules\@nestjs\core\router\router-proxy.js:9:17

这是我的 …

我目前正在学习 Svelte，我想为这个副项目创建一个身份验证流程。通常，在 React 中，我习惯使用上下文保存身份验证信息。

<AuthContext>
   <App />
<AuthContext>

我想知道 Svelte 是否也可以执行类似的方法？所有教程都是基于组件的上下文。我想在我的应用程序中调用 getContext('authContext') 。

AuthContext.svelte

<script lang='ts'>
      import { writable } from 'svelte/store'
      import { onDestroy, setContext } from 'svelte'
      import {getAuth, type User, onAuthStateChanged} from 'firebase/auth'
    
      const auth = getAuth()
      const userStore = writable<User | null>(null)
      const isLoggedIn = writable<boolean>(false)
      
      const contexts = {
        isLoggedIn,
        userStore,
        logOut,
      }
      
      const unsubscribe =  onAuthStateChanged(auth, (user) => {
        if(user) {
          userStore.set(user)
          isLoggedIn.set(true)
        }
      })

      setContext('authContext', contexts)
 
    function logOut() {
      auth.signOut()
      isLoggedIn.set(false)
    }
    
    
      onDestroy(() …