How to Fix: Importing in Node.js: error "Must use import to load ES Module"

The error 'Must use import to load ES Module' occurs in Node.js when trying to import a file that is not an ES module. This issue affects developers who are using older versions of Node.js or have not enabled ES module support.

This error can be frustrating because it prevents the code from running and makes it difficult to debug. However, there are several solutions available to resolve this issue.

⚠️ Common Causes

• The primary reason for this error is that the hello.js file is not an ES module. In order to use ES modules in Node.js, you need to enable the `--experimental-specifier-resolution` flag or upgrade to a newer version of Node.js that supports ES modules by default.
• Another possible cause is that the hello.js file is being loaded as a CommonJS module instead of an ES module. This can happen if the file has a .js extension and is not being treated as an ES module.

🔧 Proven Troubleshooting Steps

🎯 Final Words

To resolve the 'Must use import to load ES Module' error, you can enable ES module support using the `--experimental-specifier-resolution` flag or upgrade to a newer version of Node.js. By following these steps, you should be able to import files as ES modules and resolve this error.