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  • Book Overview & Buying Angular 2 Components
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Angular 2 Components

Angular 2 Components

By : Templier Thierry
Buy this Book
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Angular 2 Components

Angular 2 Components

By: Templier Thierry
Buy this Book

Overview of this book

This book is a concise guide to Angular 2 Components and is based on the stable version of Angular 2. You will start with learning about the Angular 2 Components architecture and how components differ from Angular directives in Angular 1. You will then move on to quickly set up an Angular 2 development environment and grasp the basics of TypeScript. With this strong foundation in place, you will start building components. The book will teach you, with an example, how to define component behavior, create component templates, and use the controller of your component. You will also learn how to make your components communicate with each other. Once you have built a component, you will learn how to extend it by integrating third-party components with it. By the end of the book, you will be confident with building and using components for your applications.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Angular 2 Component Architecture
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1. Angular 2 Component Architecture
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The Model-View-Controller pattern
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MVC in Angular 1
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Moving from views to components
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Defining components
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Breaking the application into components
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Summary
2
2. Setting Up an Angular 2 Development Environment with angular-cli
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2. Setting Up an Angular 2 Development Environment with angular-cli
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Node and npm
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Installing angular-cli
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Generating an Angular 2 project
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Choosing an IDE
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Summary
3
3. The TypeScript Primer
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3. The TypeScript Primer
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Introduction to TypeScript
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Managing dependencies with modules
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Classes
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The type system
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Using decorators
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Summary
4
4. Building a Basic Component
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4. Building a Basic Component
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Bootstrapping the application
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The component selector
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The component template
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The shadow DOM
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Encapsulation modes
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Data bindings
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Summary
5
5. Building Dynamic Components
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5. Building Dynamic Components
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Data interpolation
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Core directives
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Property bindings
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Event bindings
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Two-way bindings
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Summary
6
6. Component Communication
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6. Component Communication
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Passing data via properties
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Emitting custom events
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Querying child components with the parent component
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Summary
7
7. Putting It All Together
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7. Putting It All Together
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Preparing our development environment
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The accordion component
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The component life cycle
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Life cycle event interfaces
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Other life cycle events
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Summary
8
8. Integrating Third-Party Components
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8. Integrating Third-Party Components
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Preparing our development environment
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Importing dependencies
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Bootstrap tooltip component
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Bootstrap collapse component
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Summary
9
9. Angular 2 Directives
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9. Angular 2 Directives
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Components and directives in Angular 2
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Preparing our development environment
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The basic attribute directive
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The basic structural directive
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Summary
10
Index
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Index

Introduction to TypeScript

The most important thing that you should know about TypeScript is that it's not a completely new language. It's a superset of ES6. This means an ES6 code can be converted to TypeScript just by changing the file extension from .js to .ts.

For example, the following code is a valid ES6 or TypeScript:

class User {
  constructor(id){
    this.id = id;
  }

  getUserInfo(){
    return this.userInfo;
  }
}

On the other hand, the TypeScript compiler can target various versions of JavaScript, including ES6. The compiler will peel all the extra code and output clean and readable JavaScript code that is almost identical to the source.

This is a simple TypeScript class:

class Product {
  private id: number;
  private color: string;

  constructor(id:number, color:string) {
    this.id = id;
    this.color = color;
  }
}

Targeting ES6 will output this code:

class Product {
  constructor(id, color) {
    this.id = id;
    this.color = color;
  }
}

And this is the completion result...

CONTINUE READING
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Programming languages
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