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Chapter 2: Getting started: Installing dependencies and creating the project



If you already have NodeJS and Angular CLI on your machine, skip this step. Otherwise, do the following:

  1. Download NodeJS
  2. Install it on your machine. This may take several minutes
  3. Install Angular CLI: open your command line tool/terminal and run the following command: npm install @angular/cli -g
  4. We are done. You can read more about Angular CLI in the official docs

Creating the project#

As I mentioned in the previous chapter, we are going to create an Angular finance logging application with NgRx. Let's create this project and get started:

  1. Open a preferred directory of yours
  2. Run the following command ng new finance-logger
  3. You can select a number of options, add routing, SCSS, and so on. Those options are irrelevant to this tutorial
  4. Wait a bit
  5. Application has been created

Now let's add NgRx to the party:

  1. Run the command cd financial-logger to move to the root directory of our project
  2. Run the command npm install @ngrx/store to get NgRx
  3. NgRx consists of several packages, but the most basic functionality is inside @ngrx/store.
  4. We will add more packages as we dive into more complex concepts

That's it. Now we have an empty project with NgRx installed.

Up and running#

In the app.module.ts file, add the following import:

import { StoreModule } from "@ngrx/store";

And in the imports array of the AppModule declarations, add this line:

@NgModule({  // other metadata  imports: [    // other imports    StoreModule.forRoot({}),  ],})export class AppModule {}
  1. Run ng serve
  2. Open http://localhost:4200/
  3. See our fresh Angular app

That's it, we did the basic installations, let's now move on to chapter 3, where we will explore the What.