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  • Getting Started with Angular - Second edition
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Getting Started with Angular - Second edition

Getting Started with Angular - Second edition

By : Minko Gechev
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Getting Started with Angular - Second edition

Getting Started with Angular - Second edition

By: Minko Gechev

Overview of this book

Want to build quick and robust web applications with Angular? This book is the quickest way to get to grips with Angular and take advantage of all its new features.
Table of Contents (9 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Get Going with Angular
1. Get Going with Angular
Angular and semver
The evolution of the Web - time for a new framework
The evolution of ECMAScript
Lessons learned from AngularJS in the wild
Summary
2
2. The Building Blocks of an Angular Application
2. The Building Blocks of an Angular Application
A conceptual overview of Angular
Changing directives
Getting to know Angular components
Angular modules
Pipes
Improving change detection
Services
The new router
Summary
3
3. TypeScript Crash Course
3. TypeScript Crash Course
Introduction to TypeScript
Using TypeScript
TypeScript syntax and features introduced by ES2015 and ES2016
Meta-programming with ES2016 decorators
Writing modular code with ES2015
ES2015 module loader
ES2015 and ES2016 recap
Taking advantage of static typing
Further expressiveness with TypeScript decorators
Writing generic code by using type parameters
Writing less verbose code with TypeScript's type inference
Using ambient type definitions
Summary
4
4. Getting Started with Angular Components and Directives
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4. Getting Started with Angular Components and Directives
The "Hello world!" application in Angular
Using TypeScript
Playing with Angular and TypeScript
Using Angular directives
Improved semantics of the directives syntax
Defining Angular directives
Creating custom Angular components
Explaining Angular's content projection
Hooking into the component's life cycle
Defining generic views with TemplateRef
Understanding and enhancing the change detection
Summary
5
5. Dependency Injection in Angular
5. Dependency Injection in Angular
Why do I need DI?
DI in Angular
Configuring an injector
Defining factories for instantiating services
Child injectors and visibility
Summary
6
6. Working with the Angular Router and Forms
6. Working with the Angular Router and Forms
Developing the "Coders repository" application
Exploring the Angular router
Using Angular's forms module
Two-way data binding with Angular
Storing the form data
Listing all the stored data
Summary
7
7. Explaining Pipes and Communicating with RESTful Services
7. Explaining Pipes and Communicating with RESTful Services
Developing model-driven forms in Angular
Exploring the HTTP module of Angular
Defining parameterized views
Defining nested routes
Transforming data with pipes
Summary
8
8. Tooling and Development Experience
8. Tooling and Development Experience
Running an application in a Web Worker
Initial load of a SPA
Enhancing our development experience
Angular quick starters
AoT compilation in Angular
Summary

Explaining Angular's content projection

Content projection is an important concept when developing user interfaces. It allows us to project pieces of content into different places of the user interface of our application. Web Components solve this problem with the content element. In AngularJS, it is implemented with the infamous transclusion.

Angular is inspired by modern Web standards, especially Web Components, which led to the adoption of some of the methods of content projection used there. In this section, we'll look at them in the context of Angular using the ng-content directive.

Basic content projection in Angular

Let's suppose we're building a component called fancy-button. This component will use the standard HTML button element and add some extra behavior to it. Here is the definition of the fancy-button component:

@Component({ 
  selector: 'fancy-button', 
  template: '<button>Click me</button>' 
}) 
class FancyButton { ... }

Inside of the ...

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