In my project, I’m using webpack-cli, and I’m getting the following issue from webpack: TypeError: cli.isMultipleCompiler is not a function at Command.
I tried to solve the issue and sharing the details below how I was able to solve the TypeError: cli.isMultipleCompiler is not a function at Command Error.
Why TypeError: cli.isMultipleCompiler is not a function Error Occurred?
This is basically the issue with existing webpack-cli version 4.9.x. Recently webpack-cli has released 4.10.0 version, once you update to 4.10.0 version, your’s issue will be solved.
How TypeError: cli.isMultipleCompiler is not a function Error Occurred?
This is basically the issue with existing webpack-cli version 4.9.x. Recently webpack-cli has released 4.10.0 version, once you update to 4.10.0 version, your’s issue will be solved.
How to solve the TypeError: cli.isMultipleCompiler is not a function Error ?
To fix the TypeError: cli.isMultipleCompiler is not a function Error, update the webpack-cli to 4.10.0 version and your’s issue will be solved. To update the version to 4.10.0 version, use the command: npm i webpack-cli@4.10.0 OR You can run the command npm update –save webpack-cli.
Fix 1: Update the webpack-cli Version
To update the webpack-cli version, run the below command:
npm i webpack-cli@4.10.0
OR
Run the below command to upgrade the webpack-cli version:
npm update --save webpack-cli
Above methods should help you to resolve the error.
Conclusion
To fix the TypeError: cli.isMultipleCompiler is not a function Error, update the webpack-cli to 4.10.0 version and your’s issue will be solved. To update the version to 4.10.0 version, use the command: npm i webpack-cli@4.10.0 OR You can run the command npm update –save webpack-cli.
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