npm

javascript package manager

TLDR

Interactively create a package.json file

$ npm init
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Download all the packages listed as dependencies in package.json

$ npm install
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Download a specific version of a package and add it to the list of dependencies in package.json

$ npm install [module_name]@[version]
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Download a package and add it to the list of dev dependencies in package.json

$ npm install [module_name] --save-dev
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Download a package and install it globally

$ npm install --global [module_name]
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Uninstall a package and remove it from the list of dependencies in package.json

$ npm uninstall [module_name]
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Print a tree of locally installed dependencies

$ npm list
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List top-level globally installed modules

$ npm list --global --depth=[0]
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