[Solved] How to solve [webpack-cli] TypeError: cli.isMultipleCompiler is not a function at Command

Problem:

I am using webpack-cli in my project but suddenly I am facing the following error-

TypeError: cli.isMultipleCompiler is not a function at Command

Solution 1:

Al first check if you are in your project directory in your terminal

so, write the following in your terminal-

npm install --save-dev webpack-cli

then write the following-

npm upgrade --save-dev webpack-cli

Hopefully it will solve your problem if not follow the next solution.

Solution 2:

Update webpack-cli to latest by running this command in your terminal-

npm install webpack-cli@4.10.0

Note: Right now, the latest version is 4.10.0.

Thank you for reading the article. If you face any further problem feel free to ask us.