Typeerror fsevents is not a constructor

Typeerror fsevents is not a constructor [SOLVED]

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The “typeerror fsevents is not a constructor” is an error message that occurs when working with “fsevents” module in Node.js.

If you’re new to this and don’t know how to troubleshoot this error, you don’t have to worry.

It is because in this article we are going to discuss what this error is all about and why it occurs in your code.

Apart from that, we’ll hand you the solutions that will fix the “typeerror: fsevents is not a constructor” error message.

What is fsevents?

The “fsevents” is a Node.js package or module that provides a platform-specific interface for monitoring file system events on macOS.

It is often used in Node.js applications that need to watch for changes to the file system, such as changes to files or directories.

Additionally, the “fsevents” is an API in macOS that allows applications to register for notifications of changes to a given directory tree.

What is “typeerror fsevents is not a constructor”?

The error message “typeerror fsevents is not a constructor” occurs when you’re trying to use the “fsevents” module as a constructor.

It happens when you are working with Node.js or in a web browser environment.

However, it is not supported by your current environment or setup. Specifically that “fsevents” is not functioning as a constructor as expected.

In addition to that, it usually happens if you are using the “fsevents” module in a React application.

It indicates that there is an issue with how you are trying to use “fsevents” as a constructor in your code, but it’s not defined as such.

For further details, the constructor in JavaScript is a function that is used to create objects. The “fsevents” module provides an API for working with file system events on macOS.

And it includes a constructor that allows you to create an instance of the “fsevents” class.

What are the root causes of “typeerror fsevents is not a constructor”?

The errors occur due to various reasons, such as:

→ This can happen if the fsevents module is not installed correctly.

→ If there are issues with the Node.js version being used.

→ Due to a problem with your Node.js environment or with the way that you have installed and imported the package.

How to fix “typeerror fsevents is not a constructor”

To fix the “typeerror: fsevents is not a constructor” error message, you can try the following solutions:

Time needed: 2 minutes

Here are some steps you can take to solve the issue:

  1. Verify your Node.js version

    Ensure you are using the latest version of Node.js that is compatible with the “fsevents” package.

    You can simply check your Node.js version by running the following command in your terminal or command prompt:

    To check your current version of Node.js:
    → node -v

    When you’re not running the latest version, visit the official Node.js website and download the latest version.

  2. Reinstalling the package or module

    If you’re encountering the “typeerror fsevents is not a constructor” error, maybe your Node.js version is up-to-date.

    Try reinstalling the package or module. You can do this using the following command:

    To install:
    → npm uninstall fsevents

    To reinstall:
    → npm install fsevents

  3. Check for conflicts with other packages

    The “fsevents” package or module can sometimes conflict with other packages in your project.

    Try removing any other packages that might be causing conflicts and see if that resolves the issue.

  4. Use alternative package

    If the error still exists after reinstalling the package, you can use an alternative package instead of
    “fsevents.”

    There are several packages available that provide similar functionality, such as “chokidar” or “watch.”

  5. Verify your code

    You may also need to verify your code, making sure that you’re using the package or module correctly and that any dependencies are properly installed.

  6. Regenerating lockfile

    If the error still exists you can try regenerating lockfile.

    → npm i –package-lock-only

Additional Effective solutions

When the above solution does not resolve the error, you can try the following solutions:

A.

  1. remove node_module and yarn.lock
  2. yarn install
  3. yarn start

B.

  • npm audit fix –force

C.

  • downgrading node to v11.15.0

D.

Use yarn’s selective dependency resolutions.

"resolutions": {
  "chokidar": "^3.3.1"
},

Reminder!

Ensure that you are using the correct version of Node.js. Take note that the “fsevents” module only works on macOS, however the error message can still appear on other platforms and requires a specific version of Node.js.

Conclusion

The “typeerror fsevents is not a constructor” error message is raised because the “fsevents” package or module is designed to work only on macOS.

However, it might still appear on other platforms.

Luckily, by executing the different solutions that this article has already given, you can definitely resolve the “typeerror fsevents is not a constructor” error message.

We are hoping that this article provides you with sufficient solutions.

You could also check out other “typeerror” articles that may help you in the future if you encounter them.

Thank you very much for reading to the end of this article.