How to clean node modules folder of packages that are not in package json

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Assume I install project packages with npm install that looks into package.json for modules to be installed. After a while I see that I don't need some specific module and remove its dependency from package.json. Then I remove some other modules from package.json because they are not needed anymore and others are replaced with alternatives.

Now I want to clean node_modules folder so that only modules listed in package.json stay there and the rest must go, something like npm clean. I know I can remove them manually but would like to have some nice ready to use sugar functionality for that.
Jul 13, 2020 in Node-js by kartik
• 37,490 points
8,910 views

1 answer to this question.

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Hello @kartik,

You could remove your node_modules/ folder and then reinstall the dependencies from package.json.

rm -rf node_modules/
npm install

This would erase all installed packages in the current folder and only install the dependencies from package.json. If the dependencies have been previously installed npm will try to use the cached version, avoiding downloading the dependency a second time.

Hope it helps!!

Thank You!!

answered Jul 13, 2020 by Niroj
• 82,680 points

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