显示“意外的令牌管理员"；尽管声明了管理员，但仍出错 [英] Showing "unexpected token admin" error although admin is declared

问题描述

我正在尝试执行一些顺序的异步操作.但出现错误:

I'm trying to do some sequential asynchronous operation. But getting error:

解析错误:意外的令牌管理员

Parsing error: Unexpected token admin

尽管我已经声明了该变量.这是我的代码

Although I've declared this variable. Here is my code

const admin = require('firebase-admin')
module.exports = {
   notificationCount: async (change, context) => {
    countRef.collection("notification").doc(context.params.reqID).get().then((requestDoc) => {
      console.log("Request Info " + requestDoc.data().reqUserName)
      return requestDoc.data();
    }).then((requestDocData) => {

      const token = await admin.database().ref("/UserInfo/" + notifiedUserID + "/token").once('value');
      console.log("UserInfo "+token);
      return null;

    }).catch((error) => {
      console.log("Loading failed: ", error);
    });
  }
}

推荐答案

您可能现在已经知道了，但是问题实际上不是admin，而是您正在使用async/await执行函数而未声明它是异步的，因此您只需要在函数定义中放入异步，如下所示:

You have probably figured out by now, but the problem is not actually admin, but rather that you are executing a function with async/await without having stated that it is asynchronous, so you just need to put in async in the function definition like so:

.then(async (requestDocData) => {

      const token = await admin.database().ref("/UserInfo/" + notifiedUserID + "/token").once('value');
      console.log("UserInfo "+token);
      return null;

    }

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