Node.js is a software system designed for writing scalable Internet applications, especially web servers. The program is written in JavaScript, using event-driven, asynchronous I/O to minimize overhead and maximize scalability.

When you try to do anything automated in the tool, the following error appears: “npm ERR! Error: Cannot find module ‘har-validator’” Don’t worry too much. This post will support you in resolving the error with the best solution.

When Will The Error “npm ERR! Error: Cannot find module ‘har-validator’” Occur?

Cypress is an end-to-end testing framework that allows developers to test their web applications easily and provides an interface for them to analyze their tests’ progress and results easily.

You are trying to install Cypress in your application and face the following error.

npm ERR! Error: Cannot find module 'har-validator'

In another case, when you try to install the latest Cypress on the Windows 10 machine, you get an error. You were perfectly happy with Cypress 8.7. You removed “cypress”: “8.7.0” from package.json and deleted node modules and package-lock.json.

The Effective Methods For The Error “npm ERR! Error: Cannot find module ‘har-validator’”

Solution 1: Use a downgraded version of cypress

@cypress/request contains a bug. You must use an older version. Use this command, and your error must now be corrected.

npm install --save-dev [email protected]

Solution 2: Install the har-validator manually

To use Cypress, you need to install a har-validator manually. Use this command.

npm install har-validator

Solution 3: Install Cypress

With this command, you can now install Cypress. Your error must now be corrected.

npm install --save-dev cypress

Conclusion

Nodejs is a source code built on the Javascript V8 Engine platform. Nodejs is widely used by thousands of programmers worldwide. It can run on many different operating system platforms, from Windows to Linux and macOS, which is also an advantage.

NodeJS provides rich libraries in various Javascript Modules that simplify programming and reduce time to a minimum.

To summarize, those simple approaches presented above are a simple solution to the aforementioned major error: “npm ERR! Error: Cannot find module ‘har-validator’“.

Please leave all your concerns in the comments section if you have any further questions. I wish you all an effective day with your tool.