tldr/pages/common/npm.md

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# 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 locally-installed dependencies:
`npm list`
- List top-level globally installed modules:
`npm list -g --depth={{0}}`