How to Fix the require is not defined Error When Using Nodemailer in JavaScript

Summary: Discover how to resolve the `require is not defined` error in JavaScript when using Nodemailer for sending emails. Master the solution even if you're an intermediate or advanced user.
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How to Fix the require is not defined Error When Using Nodemailer in JavaScript

Encountering the "require is not defined" error in JavaScript can be frustrating, especially when you're trying to use a highly reliable package like Nodemailer for sending emails. Let's dive into what causes this error and explore a step-by-step guide on how to fix it.

What Causes the require is not defined Error?

Steps to Resolve the Error

Check Your Module Type Configuration

If your project uses ES Modules (with import and export statements), the default require function won't work. Here's how you can address that:

Using ES Modules:

Update your import statement to use import instead of require:

[[See Video to Reveal this Text or Code Snippet]]

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Using CommonJS:

If you're working in a CommonJS environment, ensure your import looks like this:

[[See Video to Reveal this Text or Code Snippet]]

Correctly Setup Nodemailer

Using ES Modules:

[[See Video to Reveal this Text or Code Snippet]]

Using CommonJS:

[[See Video to Reveal this Text or Code Snippet]]

By following these steps, you should be able to resolve the require is not defined error and get Nodemailer working correctly in your JavaScript project. Happy emailing!