tldr/pages/common/npm.md

npm

JavaScript and Node.js package manager. Manage Node.js projects and their module dependencies. Homepage: https://www.npmjs.com/.

• Interactively create a package.json file:

npm init

• Download all the packages listed as dependencies in package.json:

npm install

• Download a specific version of a package and add it to the list of dependencies in package.json:

npm install {{module_name}}@{{version}}

• Download a package and add it to the list of dev dependencies in package.json:

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

• Download a package and install it globally:

npm install -g {{module_name}}

• Uninstall a package and remove it from the list of dependencies in package.json:

npm uninstall {{module_name}}

• Print a tree of installed, project-level packages:

npm list

• List top-level globally installed modules:

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