Angular: Nodemailer is encountering an abundance of runtime errors

Within my Angular project, I am attempting to utilize Nodemailer for sending emails.

The initial issue arises when I try to import (after running npm i --save) as numerous errors occur when executing ionic serve. It's important to note that right after adding the import statement, a lengthy error log is displayed, causing the app to crash

https://i.sstatic.net/RpDn1.png

The errors mostly revolve around missing or not found modules, but why? There were no errors during the npm i --save process. Furthermore, there are no syntax errors in my code. My primary objective is to execute the sendMail() function.

I am perplexed as to the cause of this issue. Should I consider switching from nodemail to another option? Any suggestions would be greatly appreciated.

Error log:

Microsoft Windows [Version 10.0.19041.264]
(c) 2020 Microsoft Corporation. All rights reserved.

C:\Users\Admin\Desktop\ionic\ionic-project-1-login-and-nested-list-and-report-modal-master>ionic serve
...

The structure of my code (.ts) is fairly straightforward:

import { Component, OnInit } from '@angular/core';

import * as nodemailer from 'nodemailer';
@Component({
  selector: 'app-reset-password-one',
  templateUrl: './reset-password-one.page.html',
  styleUrls: ['./reset-password-one.page.scss'],
})
export class ResetPasswordOnePage implements OnInit {

  emailTo = '';

  // create expiration date

  constructor() { }

  ngOnInit() {
  }

  sendVerification() {
    // this.getToken();
    this.sendMail();
  }

  getToken() {
    //create random 16 character token
    var chars = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
    var token = '';
    for (var i = 16; i > 0; --i) {
      token += chars[Math.round(Math.random() * (chars.length - 1))];
    }
    console.log(token);
    return token;
  }

  sendMail() {
    ...
  }

}

Answer №1

Attempting to use nodemailer in a browser environment is doomed to fail. This module is designed for server-side nodejs applications, requiring specific connectivity components that browsers do not support. Ultimately, you must utilize a backend system to handle this functionality.

In addition to the compatibility issues with browsers, there is a significant security concern regarding the exposure of your email service credentials. Since angular is a client-side framework, the code containing your sensitive information is easily accessible to any user. This leaves your credentials vulnerable to theft, which is undoubtedly a risk you want to avoid.

For a reliable and secure solution, it is imperative to transition your email operations to the backend of your application. This will ensure stability and protect your sensitive data from potential exploitation.

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