使用Nodemailer设置Express-Handlebars选项时发生TypeError

编程问答 2022-08-13

问题描述

所以我在编码方面还很陌生，并且一直在与Node一起玩，所以我认为我会完成一个教程，而在这一节中我很难过。

目标是对如果忘记密码将发送密码重置链接的路由进行编码。我们使用的是用于模板的把手和用于发送电子邮件的nodemailer。以下是我到目前为止在此特定路由文件中的代码：

const express = require('express');
const router = express.Router();
const hbs = require('express-handlebars');
const nodemailer = require('nodemailer');
const path = require('path');

const email = process.env.EMAIL;
const password = process.env.EMAIL_PASSWORD;

const smtpTransport = nodemailer.createTransport({
  service: process.env.EMAIL_PROVIDER,auth: {
    email: email,password: password
  }
})

const handlebarsOptions = {
  viewEngine: {
    extName: '.hbs',defaultLayout: null,partialsDir: './templates/',layoutsDir: './templates/'
  },viewPath: path.resolve('./templates/'),extName: '.html',};

smtpTransport.use('compile',hbs(handlebarsOptions));

router.post('/forgot-password',async (request,response) => {
  console.log('called forgot-password');
  if(!request.body || !request.body.email){
    response.status(400).json({message: "invalid body",status: 400});
  } else {
    console.log('email exists');

    const userEmail = request.body.email;
    console.log('email set');
    
    const emailOptions = {
      to: userEmail,from: email,template: 'forgotPassword',subject: 'MMO Password Reset',context: {
        name: 'joe',url: `http://localhost:${process.env.PORT || 3000}`
      }
    }
    console.log('options applied');

    await smtpTransport.sendMail(emailOptions)
    console.log('email sent');
    response.status(200).json({message: `email has been sent to ${userEmail} with instructions`,status: 200});
  }
});

module.exports = router;

这是我测试路由时在控制台中得到的：

[nodemon] restarting due to changes...
[nodemon] starting `node index.js`
connected to mongo
server is running on port: 3000
called forgot-password
email exists
email set
options applied
(node:4838) UnhandledPromiseRejectionWarning: TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Received type object
    at validateString (internal/validators.js:113:11)
    at Object.resolve (path.js:981:7)
    at ExpressHandlebars.getTemplate (/home/tobias/api/node_modules/express-handlebars/lib/express-handlebars.js:106:18)
    at ExpressHandlebars.render (/home/tobias/api/node_modules/express-handlebars/lib/express-handlebars.js:156:8)
    at ExpressHandlebars.renderView (/home/tobias/api/node_modules/express-handlebars/lib/express-handlebars.js:234:7)
    at processplugins (/home/tobias/api/node_modules/nodemailer/lib/mailer/index.js:279:13)
    at /home/tobias/api/node_modules/nodemailer/lib/mailer/index.js:283:17
    at Mail._convertDataimages (/home/tobias/api/node_modules/nodemailer/lib/mailer/index.js:387:20)
    at Mail._defaultPlugins.compile (/home/tobias/api/node_modules/nodemailer/lib/mailer/index.js:31:41)
    at processplugins (/home/tobias/api/node_modules/nodemailer/lib/mailer/index.js:279:13)
    at Mail._processplugins (/home/tobias/api/node_modules/nodemailer/lib/mailer/index.js:287:9)
    at Mail.sendMail (/home/tobias/api/node_modules/nodemailer/lib/mailer/index.js:164:14)
    at /home/tobias/api/routes/password.js:53:25
    at Layer.handle [as handle_request] (/home/tobias/api/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/tobias/api/node_modules/express/lib/router/route.js:137:13)
    at Route.dispatch (/home/tobias/api/node_modules/express/lib/router/route.js:112:3)
(node:4838) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block,or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:4838) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future,promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.

我检查了环境变量，重新启动了nodemon，并检查以确保forgotPassword.html实际上是./templates中的文件，并确保已安装所有必需的软件包等。我的代码看起来像是教程中的代码（除了我为了确保错误发生在我所认为的位置而输入的console.logs之外）。我有点受阻，对我似乎无法弄清楚这一点有些沮丧。帮助将不胜感激！

解决方法

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