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[Solved] TypeError: this.libOptions.parse is not a function

Are You Facing the Following error TypeError: this.libOptions.parse is not a function in typescript? Then You are in right place. In this article, we will try to figure out how this error occurs and what are the possible fixes for this error. First of all, let’s explore how this error occurs.

What is TypeError: this.libOptions.parse is not a function error?

I am facing the following error while enabling typescript.

TypeError: this.libOptions.parse is not a function

How To Fix TypeError: this.libOptions.parse is not a function Error?

  1. How To Fix TypeError: this.libOptions.parse is not a function Error?

    This error is Occurs in eslint's latest version 8.23 and that is causing this error. To Fix TypeError: this.libOptions.parse is not a function Error you just need to downgrade eslint to the 8.22.0. First of all delete node_modules and package-lock.json by running this command: rm -rf node_modules; rm package-lock.json; Now, install eslint 8.22.0 by using this command: npm i eslint@8.22.0 Then, run npm install and now, your error will be solved. Thanks.

  2. TypeError: this.libOptions.parse is not a function

    This error is Occurs in eslint's latest version 8.23 and that is causing this error. To Fix TypeError: this.libOptions.parse is not a function Error you just need to downgrade eslint to the 8.22.0. First of all delete node_modules and package-lock.json by running this command: rm -rf node_modules; rm package-lock.json; Now, install eslint 8.22.0 by using this command: npm i eslint@8.22.0 Then, run npm install and now, your error will be solved. Thanks.

Solution 1: Downgrade eslint

This error is Occurs in eslint‘s latest version 8.23 and that is causing this error. To Fix TypeError: this.libOptions.parse is not a function Error you just need to downgrade eslint to the 8.22.0. First of all delete node_modules and package-lock.json by running this command

rm -rf node_modules; rm package-lock.json;

Now, install eslint 8.22.0 by using this command.

npm i eslint@8.22.0

Then, run npm install and now, your error will be solved. Thanks.

Conclusion

It’s all About this error. I hope We Have solved Your error. Comment below Your thoughts and your queries. Also, Comment below on which solution worked for you.

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