Lerna — Install Dependencies for a Specific Package

Lerna is a tool for managing JavaScript projects with multiple packages. It allows you to manage the dependencies of and between packages in your project.

This tutorial shows you how to add dependencies to a single package in a Lerna-managed project.

Lerna Series Overview

Install Dependency to Specific Package With Lerna

Lerna comes with an add command to install NPM dependencies in your project’s packages. By default, lerna adds a new dependency to all managed packages.

You can scope the add command to individual packages using the --scope=<package-name> flag. This will install a given dependency only to <package-name>:

lerna add a --scope=b

# add package "a" to multiple packages
lerna add a --scope=b --scope=c --scope=d  

Here’s a concrete example installing @supercharge/strings as a dependency to the @supercharge/session package:

lerna add @supercharge/strings --scope=@supercharge/session  

That’s it! You can now use the added dependency in the related package.

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