npm

JavaScript and Node.js package manager.

Manage Node.js projects and their module dependencies.

• 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 --global {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 --global --depth={0}

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