Mastering Angular 16: A Concise Overview: Master of Angular 16 Series, #1

By Pedro Martins

"Mastering Angular 16: A Concise Overview" is an in-depth guide designed to navigate the reader through the landscape of modern web development using the latest features and improvements brought by Angular 16. This book aims to provide a comprehensive understanding of the concepts, techniques, and patterns necessary to harness the power of Angular 16, one of the most popular open-source web application development frameworks.

Angular 16, an evolution of its previous versions, comes with a diamond mine of features that significantly enhance the control of state changes, provide faster page loading, and drastically reduce construction time in various scenarios. This book will delve into these features and provide the reader with a practical understanding of how to use them effectively.

 

• Language: English
• Publisher: Pedro Martins
• Release date: Jul 3, 2023
• ISBN: 9798223412250

Pedro Martins

Have an extensive experience in analyzing, designing, implementing, and managing systems. Participated in a variety of commercial and industry projects, including healthcare consulting, construction industry solutions, financial institutions, banking, ticketing, interactive television, competitiveness analysis, business analysis, and others. Creator of the website https://cantinhode.net to help the coding community grow and to share insights about coding. The website includes opinion articles, practical examples, all with the goal of encouraging the development of technical solutions for information systems architecture across various domains, programming languages and on-premises and cloud solutions.

Book preview

Mastering Angular 16: A Concise Overview

Master of Angular 16 Series

Pedro Martins

4th July 4, 2023

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Book Introduction 6

Chapter 0: Setup of Angular 16 7

Chapter 1: Introduction to Angular 16 7

Chapter 2: State Control with Angular 16 Signals 7

Chapter 3: Enhanced Hydration: Reusing DOM Nodes 8

Chapter 4: Speeding Up Your Builds with esbuild 8

Chapter 5: Transitioning to Ivy: The Removal of Ngcc 8

Chapter 6: Standalone Components: The Power of Independence 8

Chapter 7: Optimizing JavaScript Bundles with Angular CLI 9

Chapter 8: Simplifying Routing with Component Inputs 9

Chapter 9: Migrating and Scaffolding Standalone Components 9

Chapter  10: Required Inputs: Enforcing Component Directives 9

Chapter  11. Understanding takeUntilDestroyed and DestroyRef 10

Chapter  12: Styling Your Angular Applications with Tailwind CSS 10

Chapter  13: Advanced Angular 16 Techniques 10

Chapter 14: Best Practices for Angular 16 Development 10

Chapter  15: Building a Real-World Project with Angular 16 10

Chapter 0: Setup of Angular 16 11

1. Install Node.js 11

2. Install Angular CLI 11

3. Create a New Angular Project 11

4. Navigate to the Project: 11

5. Serve the Application 12

Chapter 1: Introduction to Angular 16 12

Key Features and Improvements 13

Improved Reactivity Model 13

Esbuild-based Build System 13

Binding Router Information to Component Inputs 13

TakeUntilDestroyed and DestroyRef 13

Jest Testing Framework 13

Support for TypeScript 5.0 13

Other Improvements 14

Benefits for Developers and Businesses 14

Chapter 2: State Control with Angular 16 Signals 15

Definition of Angular 16 Signals 15

Example of code on Angular 16 Signals 16

Chapter 3: Enhanced Hydration: Reusing DOM Nodes 19

Definition of Enhanced Hydration: Reusing DOM Nodes 19

Example of code on Angular 16 Enhanced Hydration 20

Angular 16 Reusing DOM Nodes 21

Chapter 4: Speeding Up Your Builds with esbuild in Angular 16 22

Introduction to esbuild 22

Configuring esbuild in Angular 16 22

Advantages of Using esbuild in Angular 16 23

Chapter 5: Transitioning to Ivy: The Removal of Ngcc 24

What is ngcc? 24

Why was ngcc removed? 24

What does this mean for developers? 24

Conclusion 25

Chapter 6: Standalone Components: The Power of Independence 26

Introduction to Standalone Components in Angular 16: 26

Architecture of  standalone components 27

Here's an example of how you can architect a standalone component in Angular 16 28

Implementation of a standalone component 30

Best practices of  standalone components 31

1. Understand the concept of standalone components 31

2. Utilize NgRx for state management 31

3. Leverage Declarative Routing 32

4. Follow Angular best practices 32

5. Consider migration strategies 32

6. Test standalone components thoroughly 32

Advanced techniques of  standalone components 33

1. Dynamic Components 33

2. Component-First State Management 33

3. Migration Strategies 33

4. Explore Angular v16 Features 34

5. Combine Standalone Components with Other Advanced Angular Techniques 34

6. Follow Angular Best Practices 34

Chapter 7: Optimizing JavaScript Bundles with Angular CLI 35

Configuring Bundling in Angular 16: Best Practices and Techniques 35

1. Angular CLI and the angular.json file: 35

2. Code Splitting: 35

3. Optimization and Tree Shaking: 36

4. Externalizing Dependencies: 36

5. Bundle Analysis: 36

6. Performance Budgets: 36

Conclusion: 37

Optimizing Bundle Size in Angular 16: Best Practices and Techniques 37

1. Enable Production Mode 37

2. Lazy Loading 37

3. Code Splitting 38

4. Externalize Dependencies 38

5. Tree Shaking 38

6. Angular Compiler Options 38

7. Analyze Bundle Size 39

Conclusion 39

How to implement code splitting, optimizing with tree shaking, externalizing dependencies, analyzing the bundle, and setting performance budgets in Angular 16  39

1. Code Splitting: 40

2. Tree Shaking: 40

3. Externalizing Dependencies: 40

4. Analyzing the Bundle: 41

5. Setting Performance Budgets: 41

Sources: 41

How to improving performance in Angular 16 applications 42

1. Rethinking Reactivity: 42

2. Identify and Optimize Bottlenecks: 42

3. Angular Performance Checklist: 43

4. Best Practices: 43

5. Performance Optimization Techniques: 43

6. Ahead-of-Time Compilation (AoT): 43

7. Bundle Optimization: 44

8. Change Detection Strategy: 44

9. Server-side Rendering (SSR): 44

10. Optimize HTTP Requests: 44

Sources: 45

Chapter 8: Simplifying Routing with Component Inputs 45

1. Update to Angular 16 45

2. Enable the bindToComponentInputs option 45

3. Declare @Input properties in components 46

4. Access the route data in components 46

Chapter 9: Migrating and Scaffolding Standalone Components 47

Migrating old Angular components to new Standalone component 48

Scaffolding Standalone Components 49

Chapter  10: Required Inputs: Enforcing Component Directives 51

Chapter  11: Understanding takeUntilDestroyed and DestroyRef 52

Sample code to Understanding takeUntilDestroyed and DestroyRef 53

Chapter  12: Styling Your Angular Applications with Tailwind CSS 54

Prerequisites 54

How to use Tailwind CSS in Standalone Components 57

Chapter  13: Advanced Angular 16 Techniques 58

Chapter 14: Best Practices for Angular 16 Development 60

Use Angular CLI 60

Follow the file naming convention 61

Have a clear folder structure 62

Use ESLint 64

Break down and reuse your components 66

Use interfaces 66

Here’s a simple example: 66

Use safe navigation operator (also known as optional chaining) 67

Rely on OnPush change detection strategy 68

Don’t use type any 69

Don’t use the scroll event 70

Use Built-In Angular Features For DOM Operations 70

Don’t use functions and impure pipes in your HTML template 71

Use trackBy in ngFor 72

Take care of performance with Angular Differs API 73

Take advantage of the state management for API calls 73

Use lazy loading 74

Use SCAM module schema 74

Write comments only when it makes sense 75

Write tests 75

Summary: Angular best practices 76

Chapter  15: Building a Real-World Project with