Adding @ngrx to your Project

In your console, run the following command to add @ngrx to your list of dependencies in package.json:

npm install @ngrx/core @ngrx/store --save

If you plan on using the @ngrx/effects extensions to add side-effect capabilities, then also run the following command:

npm install @ngrx/effects --save

原文: https://angular-2-training-book.rangle.io/handout/state-management/ngrx/adding_ngrx_to_your_project.html