Introduction to Angular 4

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Chapter 1. Introducing Angular

• What is Angular?
• Central Features of the Angular Framework
• Why Angular?
• Scope and Goal of Angular
• Angular vs. AngularJS
• But Isn’t It “Angular 2”?
• Installing and Using Angular
• Adding Angular and Dependencies to Your App
• Building Blocks of an Angular Application
• A Basic Angular Application
• Basic App – index.html
• Basic-App: Application Module File
• Basic-App: Main Bootstrap File
• Basic-App: The Component File
• Major Changes in Angular 4
• Summary

Chapter 2. Development Setup of Angular

• Angular is Modular
• Managing Angular Files and Dependencies
• What is Node.js?
• Application of Node.js
• Installing Node.js and NPM
• “Hello World!” Node app
• Node Libraries
• Node Package Manager (NPM)
• Package.json
• Semantic Version Numbering
• Package Version Numbering Syntax
• Updating Packages
• Uninstalling Packages
• Installing Angular Packages
• Angular CLI
• Angular Development Overview
• Angular
• Development
• Dependencies
• TypeScript Definitions
• Testing Tools
• Development Servers
• Angular
• Application
• Dependencies
• Module Loaders
• SystemJS Module Loader
• WebPack Module Bundler
• Additional Application Dependencies
• Summary

Chapter 3. Introduction to TypeScript and ES6

• Programming Languages for Use with Angular
• TypeScript Syntax
• Programming Editors
• The Type System – Defining Variables
• The Type System – Defining Arrays
• The Type System – Classes & Objects
• Class Constructors
• Class Constructors – Alternate Form
• Interfaces
• Parameter and Return Value Types
• Working with Modules
• TypeScript Transpilation
• Arrow Functions
• Template Strings
• Template Strings – Variables and Expressions
• Template Strings – Multiline
• Generics – Class
• Generics – Methods
• Generics – Restricting Types
• Generics – Restricting Types: Example
• Summary

Chapter 4. Components in Angular

• What is a Component?
• An Example Component
• Component Starter
• Developing a Simple Login Component
• Login Component: Add HTML
• The HTML Component Template
• The templateUrl property
• Login Component: Add CSS Styling
• Login Component: Hook Up Input Fields and Button
• Login Component: Fields & Button in the Component Class
• Component Decorator Properties
• Component Lifecycle Hooks
• Using a Lifecycle Hook: OnInit
• Summary

Chapter 5. Data and Event Binding

• Binding Syntax
• One-Way Output Binding
• Binding Displayed Output Values
• Two-Way Binding of Input Fields
• Input Binding Examples
• Binding Events
• Binding Events Examples
• Setting Element Properties
• Setting Properties: Examples
• Passing Data into Components using @Input()
• Passing Data from Child to Parent using @Output()
• @Output() Example – Child Component
• @Output() Example – Parent Component
• Summary

Chapter 6. Attribute Directives and Property Bindings

• What are Directives
• Directive Types
• Apply Styles by Changing Classes
• Changing Classes – Example
• Applying Styles Directly
• Applying Styles Directly – Example
• Obsolete Directives and Property Binding
• Controlling Element Visibility
• Setting Image Source Dynamically
• Setting Hyperlink Source Dynamically
• Summary

Chapter 7. Structural Directives

• Structural Directives
• Adding and Removing Elements Dynamically
• If-Else Syntax of ngIf
• Declare Variables in ngIf
• Looping Using ngFor
• ngFor – Basic Syntax
• ngFor – Full Template Syntax
• Creating Tables with ngFor
• ngFor Local Variables
• ngFor Changes in the backing data source
• Swapping Elements with ngSwitch
• ngSwitch – Basic Syntax
• ngSwitch – Full Template Syntax
• Summary

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Chapter 8. Template Driven Forms

• Template Driven Forms
• Importing Forms Module
• A Basic Angular Form
• Binding Input Fields
• Accessing the Form Object
• Binding the Form Submit Event
• The Submit Function
• Basic HTML5 Validation – “required” Attribute
• HTML5 vs. Angular Validation
• Angular Validators
• Angular Validation State
• Displaying Form Validation State
• Displaying Field Validation State
• Displaying Validation State Using Classes
• Disabling Submit when Form is Invalid
• Submitting the Form
• Binding to Object Variables
• Additional Input Types
• Checkboxes
• Select (Drop Down) Fields
• Rendering Options for Select (Drop Down)
• Date fields
• Radio Buttons
• Summary

Chapter 9. Model Driven Forms

• Model Driven Forms Overview
• Setup for Model Driven Forms
• Form Component Setup
• Setup Main FormGroup
• formControlName
• FormControl Object
• Getting Form Values
• FormBuilder Form Initialization
• Validation
• Built-In Validators
• Custom Validator
• Using a Custom Validator
• Useful FormGroup and FormControl Properties/Functions
• Sub FormGroups – Component Class
• Sub FormGroups – HTML Template
• Why Use Sub FormGroups
• Summary

Chapter 10. Angular Modules

• Why Angular Modules?
• Angular Built-in Modules
• The Root Module
• How to Create a Module
• Feature Modules
• @NgModule Properties
• Using One Module From Another
• Importing BrowserModule or CommonModule
• Lazy-Loaded Modules
• How to Organize Modules?
• Relative Paths for Resources
• Summary

Chapter 11. Services and Dependency Injection

• What is a Service?
• Creating a Basic Service
• What is Dependency Injection?
• What Dependency Injection Looks Like
• Injecting Services
• Dependency Injection Hierarchy Diagram
• Using a Service in a Component: Dedicated Instance
• Injection Hierarchy – Dedicated Instance
• Using a Service in a Component: Dedicated Instance – Example Code
• Using onInit to Initialize Component Data
• Using a Shared Service Instance
• Injection Hierarchy – Shared Instance
• Dependency Injection and @Host
• Dependency Injection and @Optional
• Summary

Chapter 12. HTTP Client

• The Angular HTTP Client
• Using The HTTP Client – Overview
• Importing HttpModule
• Importing Individual Providers into Services
• Service Using Http Client
• Service Imports
• The Observable object type
• What does an Observable Object do?
• Making a Basic HTTP GET Call
• Using the Service in a Component
• The PeopleService Client Component
• Client Component Code Review
• Importing Observable Methods
• Enhancing the Service with .map() and .catch()
• Using .map()
• Using .catch()
• Using toPromise()
• GET Request
• GET Request with Options
• POST Request
• POST Request Example
• Reading HTTP Response Headers
• Summary

Chapter 13. Pipes and Data Formatting

• What are Pipes?
• More on Pipes
• Formatting Changes in Angular
• Using a Built-in Pipe
• Built-In Pipes
• Using Pipes in HTML
• Chaining Pipes
• Using Pipes in JavaScript
• Some Pipe Examples
• Decimal Pipe
• CurrencyPipe
• Custom Pipes
• Custom Pipe Example
• Using Custom Pipes
• A Filter Pipe
• A Sort Pipe
• Pipe Category: Pure and Impure
• Pure Pipe Example
• Impure Pipe Example
• Summary

Chapter 14. Introduction to Single Page Applications

• What is a Single Page Application (SPA)
• SPA Workflow
• Traditional Web Application Capabilities
• Single Page Application Advantages
• SPA and Traditional Web Sites
• SPA Challanges
• Implementing SPA’s Using Angular
• Simple SPA Using Visibility Control
• SPA Using Angular Components
• SPA with Angular Components – Switching
• SPA with Angular Components – The Displayed Component
• Implement SPA Using an Angular Component Router
• Summary

Chapter 15. The Angular Component Router

• Routing and Navigation
• The Component Router
• Traditional Browser Navigation
• Component Router Terminology
• Setting up the Component Router
• Local URL Links
• Browser pushState and
• Routes
• The app.routes.ts File
• The app.routes.ts File – Example
• Importing Routing in app.module.ts
• A Basic App With Routing
• App Routes
• AppComponent – Code
• AppComponent – Router Related Features
• AppComponent –
• AppComponent – routerLinks
• Programmatic Navigation
• Basic Navigation
• Passing Data During Navigation
• Creating Routes with Route Parameters
• Navigating with Route Parameters
• Using Route Parameter Values
• Retrieving the Route Parameter Synchronously
• Retrieving a Route Parameter Asynchronously
• Query Parameters
• Query Parameters – Example Component
• Query Parameters – queryParams
• Query Parameters – Navigation
• Retrieving Query Parameters Asynchronously
• Problems with Manual URL entry and Bookmarking
• Fixing Manual URL entry and Bookmarking
• Summary

Lab Exercises

Lab 1. Introduction to Angular
Lab 2. Introduction to TypeScript
Lab 3. Introduction to Components
Lab 4. Create the Subscription Form Component
Lab 5. Understanding Data Binding
Lab 6. One Way Data Binding in a Custom Component
Lab 7. Using Basic Angular Directives
Lab 8. Using Structural Directives
Lab 9. Template Driven Form
Lab 10. Validation of a Template Driven Form
Lab 11. Model Driven Form
Lab 12. Service and Dependency Injection
Lab 13. HTTP Client Development
Lab 14. Using Pipes
Lab 15. Basic Single Page Application Using Router