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Gain insights into designing scalable Angular applications. Learn about components, directives, routing, RXJS, forms, and Firebase authentication to develop rich, interactive web solutions.

Angular Designing and Architecting Web Applications.png

angular-starter-v5.tar.gz

Angular

Angular Install Dependencies

Angular with Relaunch

This course will teach you step-by-step how to design and architect large Angular applications. 

You’ll start with the basics: components, pipes, and directives. These are the building blocks of any Angular application, so you will get plenty of hands-on practice with this material. Next, you’ll ramp things up by stepping into modules, routing, and RXJS, where you’ll learn how to declaratively manage data and dive deep into observables.

In the latter half of the course, you’ll cover reactive and template forms (crucial for handling user data), as well as custom validators and setting up authentication with Firebase.

By the end of this course, you'll be able to design large, scalable applications, be able to develop rich interactive components, and you’ll really understand how Angular works under the hood.

Angular: Designing and Architecting Web Applications

There's one last pipe I want to go over before we dive into creating custom pipes. Angular has a pipe called the `JsonPipe`. Here's the link to the documentation:
[https://angular.io/api/common/JsonPipe](https://angular.io/api/common/JsonPipe).

According to the description, it's useful for debugging. Sometimes you will want to see an object output on the template to inspect it. 

Let's create a property, called `pizza`, in the `app.component.ts` component class file.

```typescript
export class AppComponent {
  name = 'john doe';
  todaysDate = new Date();
  cost = 2000;
  temperature = 25.3;
  pizza = {
    toppings: ['pepperoni', 'mushroom'],
    size: 'Large'
  };
}
```

It will be an object with two properties: `toppings` and `size`. Let's try to output the object.

```html
<pre>{{ pizza }}</pre>
```

This will not work. We'll end up with the following output:

```html
[object Object]
```

If we want to output an object, we'll need to use the `json` pipe, as shown here:

```html
<pre>{{ pizza | json }}</pre>
```

This will change the output to the following:

```
{
  "toppings": [
    "pepperoni",
    "mushroom"
  ],
  "size": "Large"
}
```

The `json` pipe is convenient for debugging an object. It doesn't serve much purpose outside of this.

Here's the complete code for this lesson:

In this lesson, we'll learn how to use the JSON pipe. 

First Steps

Our First Project

Component Basics

Pipes

Directives

Modules

Routing

Advanced Components

Services

RxJS

Reactive Forms

Template Forms

Custom Validators

Authentication

Conclusion

JSON Pipe