📦External modules

Installing and using external npm modules is pretty easy. Multijet uses npm workspaces to manage all the global and scoped dependencies.

Global modules

If you install a package in the root of your directory, every project inside (lib or microservice) can use that package.

To install a global package in your project, simply run:

npm install <module-name>

This is useful to install modules that all of your packages depends on (for example, Multijet installs by default Typescript globally so every package uses the same version).

Scoped modules

Installing global modules is convenient but often you have a module used by only one or few packages. To install a module for only one package simply run this command from the root of your project:

npm install <module-name> -w <workspace>/<package>

For example we want to install the package lodash in the microservice auth-service:

npm install lodash -w microservices/auth-service

Note that if you are already inside the target directory you do not need to use the -w option:

cd microservices/auth-service
npm install lodash

These commands will add the dependency only to the specified workspace or package. The monorepo will handle all the module resolution and will share common modules automatically to optimize the installation and disk usage.