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2.0.3 • Public • Published


As seen on the README of Airbnb's ESLint config!

Disclaimer: Airbnb is not affiliated with, and does not endorse, this CLI tool

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A command-line interface to install an NPM package and its peer dependencies automatically.

Starting with NPM v3.0, peer dependencies are not automatically installed on npm install, and it can be a hassle to install them all manually. The install-peerdeps tool makes the process fast and easy.

Also works with Yarn.

Quick Start

# If you're using npm
npm install -g install-peerdeps

# If you're using yarn
yarn global add install-peerdeps

cd my-project-directory

install-peerdeps <package>[@<version>]

The specified package along with its peer dependencies will be installed.


It's true that on Linux you can run something like this to automatically install peerDeps (taken from AirBnb's eslint config repo):

  export PKG=eslint-config-airbnb;
  npm info "$PKG@latest" peerDependencies --json | command sed 's/[\{\},]//g ; s/: /@/g' | xargs npm install --save-dev "$PKG@latest"

However, the above solution is hard to remember, and doesn't work on Windows. This tool aims to solve both of these problems.


Usage: install-peerdeps <package>[@<version>], default version is 'latest'

Installs the specified package along with correct peerDeps.

  -V, --version                    output the version number
  -D                               Install the package as a devDependency (alias for `-d`)
  -d, --dev                        Install the package as a devDependency
  -g, --global                     Install the package globally
  -o, --only-peers                 Install only peerDependencies of the package
  -S, --silent                     If using npm, don't save in package.json
  -Y, --yarn                       Install with Yarn
  -P, --pnpm                       Install with pnpm
  -r, --registry <uri>             Install from custom registry (defaults to NPM registry)
  --dry-run                        Do not install packages, but show the install command that will be run
  -a, --auth <token>               Provide an NPM authToken for private packages.
  -p, --proxy <http_proxy>         Enable http proxy to connect to the registry
  -x, --extra-args "<extra_args>"  Extra arguments to pass through to NPM or Yarn
  -h, --help                       output usage information

Extra Arguments

Only core Yarn and NPM arguments relating to package installation are officially provided by install-peerdeps. However, if you'd like to pass through additional arguments, you may do so with --extra-args. Here's how you'd install a package into a Yarn-workspace-enabled repository:

install-peerdeps <package> --dev -Y --extra-args "-W"

Here's how you'd use --extra-args to pass a custom NPM config option (in this case, disabling strict-ssl when accessing a custom registry over HTTPS):

install-peerdeps <package> -p http://proxy:8080 --extra-args "--strict-ssl false"


Basic Peer Dependency Installation

eslint-config-airbnb requires quite a few peer dependencies. Here's what you'd do to install them all:

install-peerdeps eslint-config-airbnb --dev

install-peerdeps will automatically detect whether you're using Yarn. If you are, it'll prompt you as to whether you want to use Yarn or npm to install the packages.

# If you're using npm
npm install eslint-config-airbnb eslint@^3.9.1 eslint-plugin-jsx-a11y@^2.2.3 eslint-plugin-import@^2.1.0 eslint-plugin
-react@^6.6.0 --save-dev

# If you're using yarn
yarn add eslint-config-airbnb eslint@^3.9.1 eslint-plugin-jsx-a11y@^2.2.3 eslint-plugin-import@^2.1.0 eslint-plugin
-react@^6.6.0 --dev

Installing a Different Version Tag

If you'd like to install a different version of a package than the latest (the default), simply specify the version like so:

install-peerdeps @angular/core@next

The tool will automatically install the version corresponding to the tag, as well as its peer dependencies:

Installing peerdeps for @angular/core@4.0.0-beta.1.
yarn add @angular/core rxjs@^5.0.1 zone.js@^0.7.2

yarn add v0.18.1

Installing from a Custom Registry

To install from a custom registry, use the --registry option:

install-peerdeps my-custom-package --registry https://registry.mycompany.com.

Installing a Private Package

To install a private npm package (either from npm or from a registry that uses an authorization header), use the auth option:

install-peerdeps my-private-package --auth your-npm-auth-token


To use this tool with a proxy, set the HTTPS_PROXY environment variable (if you're using a custom registry and it is only accessible over HTTP, though, set the HTTP_PROXY environment variable).

Under the hood, this package uses the request module to get package information from the registry and it spawns an NPM or Yarn child process for the actual installation.

request respects the HTTP_PROXY and HTTPS_PROXY environment variables, and spawn passes environment variables to the child process, so if you have the PROXY environment variables correctly set, everything should work. Nonetheless, proxy support is a new addition to this tool (added in v1.4.0), so please leave an issue if you have any problems.

HTTPS_PROXY=https://proxy.mycompany.com/ install-peerdeps my-company-package

Alternatively, you may use the --proxy flag like so:

install-peerdeps my-company-package --proxy https://proxy.mycompany.com/






npm i install-peerdeps

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