tldr/pages/common/npm.md

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npm

JavaScript and Node.js package manager. Manage Node.js projects and their module dependencies.

  • Download and install a module globally:

npm install -g {{module_name}}

  • Download all dependencies referenced in package.json:

npm install

  • Download a given dependency required for the application to run, and add it to the package.json:

npm install {{module_name}}@{{version}} --save

  • Download a given dependency for development purposes, and add it to the package.json:

npm install {{module_name}}@{{version}} --save-dev

  • Uninstall a module:

npm uninstall {{module_name}}

  • List a tree of installed modules referenced in package.json:

npm list

  • List top-level globally installed modules:

npm list -g --depth={{0}}

  • Interactively create a package.json file:

npm init