Learning JavaScript Design Patterns. 2nd Edition

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• Preface
  • Structure of the Book
  • Conventions Used in This Book
  • Using Code Examples
  • OReilly Online Learning
  • How to Contact Us
  • Acknowledgments
• 1. Introduction to Design Patterns
  • History of Design Patterns
  • What Is a Pattern?
  • An Everyday Use Case for Design Patterns
  • Summary
• 2. Pattern-ity Testing, Proto-Patterns, and the Rule of Three
  • What Are Proto-Patterns?
  • The Pattern Tests
  • Rule of Three
  • Summary
• 3. Structuring and Writing Patterns
  • The Structure of a Design Pattern
  • Well-Written Patterns
  • Writing a Pattern
  • Summary
• 4. Anti-Patterns
  • What Are Anti-Patterns?
  • Anti-Patterns in JavaScript
  • Summary
• 5. Modern JavaScript Syntax and Features
  • The Importance of Decoupling Applications
  • Modules with Imports and Exports
  • Module Objects
  • Modules Loaded from Remote Sources
  • Static Imports
  • Dynamic Imports
    • Import on Interaction
    • Import on Visibility
  • Modules for the Server
  • Advantages of Using Modules
  • Classes with Constructors, Getters, and Setters
  • Classes in JavaScript Frameworks
  • Summary
  • Related Reading
• 6. Categories of Design Patterns
  • Background
  • Creational Design Patterns
  • Structural Design Patterns
  • Behavioral Design Patterns
  • Design Pattern Classes
  • Summary
• 7. JavaScript Design Patterns
  • Creational Patterns
  • The Constructor Pattern
    • Object Creation
    • Basic Constructors
    • Constructors with Prototypes
  • The Module Pattern
    • Object Literals
    • The Module Pattern
      • Privacy
      • History
      • Examples
    • Module Pattern Variations
      • Import Mixins
      • Exports
      • Advantages
      • Disadvantages
    • Modern Module Pattern with WeakMap
    • Modules with Modern Libraries
  • The Revealing Module Pattern
    • Advantages
    • Disadvantages
  • The Singleton Pattern
    • State Management in React
  • The Prototype Pattern
  • The Factory Pattern
    • When to Use the Factory Pattern
    • When Not to Use the Factory Pattern
    • Abstract Factories
  • Structural Patterns
  • The Facade Pattern
  • The Mixin Pattern
  • Subclassing
  • Mixins
    • Advantages and Disadvantages
  • The Decorator Pattern
  • Pseudoclassical Decorators
    • Interfaces
    • Abstract Decorators
  • Advantages and Disadvantages
  • Flyweight
    • Using Flyweights
    • Flyweights and Sharing Data
    • Implementing Classical Flyweights
      • Duck punching implements
    • Converting Code to Use the Flyweight Pattern
    • A Basic Factory
    • Managing the Extrinsic States
    • The Flyweight Pattern and the DOM
    • Example: Centralized Event Handling
  • Behavioral Patterns
  • The Observer Pattern
    • Differences Between the Observer and Publish/Subscribe Pattern
    • Advantages
    • Disadvantages
    • Publish/Subscribe Implementations
      • An example Publish/Subscribe implementation
      • Using our implementation
      • UI notifications
      • Decoupling applications using Ben Almans Pub/Sub implementation
      • Decoupling an Ajax-based jQuery application
      • Observer pattern in the React ecosystem
  • The Mediator Pattern
    • A Simple Mediator
    • Similarities and Differences
      • Events
      • Third-party objects
      • Relationships: When to use which
    • Event Aggregator Use
    • Mediator Use
    • Event Aggregator (Pub/Sub) and Mediator Together
    • Mediator/Middleware in Modern JavaScript
    • Mediator Versus Facade
  • The Command Pattern
  • Summary
• 8. JavaScript MV* Patterns
  • MVC
    • Smalltalk-80 MVC
  • MVC for JavaScript Developers
    • Models
    • Views
    • Templating
    • Controllers
  • What Does MVC Give Us?
  • Smalltalk-80 MVC in JavaScript
  • Summary of MVC
  • MVP
    • Models, Views, and Presenters
    • MVP or MVC?
  • MVVM
    • History
    • Model
    • View
    • ViewModel
    • Recap: The View and the ViewModel
    • ViewModel Versus Model
  • Pros and Cons
    • Advantages
    • Disadvantages
  • MVC Versus MVP Versus MVVM
  • Modern MV* Patterns
    • MV* and React.js
  • Summary
• 9. Asynchronous Programming Patterns
  • Asynchronous Programming
  • Background
  • Promise Patterns
    • Promise Chaining
    • Promise Error Handling
    • Promise Parallelism
    • Promise Sequential Execution
    • Promise Memoization
    • Promise Pipeline
    • Promise Retry
    • Promise Decorator
    • Promise Race
  • async/await Patterns
    • async Function Composition
    • async Iteration
    • async Error Handling
    • async Parallelism
    • async Sequential Execution
    • async Memoization
    • async Event Handling
    • async/await Pipeline
    • async Retry
    • async/await Decorator
  • Additional Practical Examples
    • Making an HTTP Request
    • Reading a File from the Filesystem
    • Writing to a File on the Filesystem
    • Executing Multiple async Operations
    • Executing Multiple async Operations in Sequence
    • Caching the Result of an async Operation
    • Handling Events with async/await
    • Retrying an async Operation on Failure
    • Creating an async/await Decorator
  • Summary
• 10. Modular JavaScript Design Patterns
  • A Note on Script Loaders
  • AMD
    • Getting Started with Modules
    • AMD Modules with jQuery
      • Registering jQuery as an async-compatible module
      • Why was AMD a better choice for writing modular JavaScript?
      • Related reading for AMD
      • Script loaders and frameworks that support AMD
    • AMD Conclusions
  • CommonJS
    • Getting Started
    • Consuming Multiple Dependencies
    • CommonJS in Node.js
    • Is CommonJS Suitable for the Browser?
    • Related Reading for CommonJS
  • AMD and CommonJS: Competing, but Equally Valid Standards
    • UMD: AMD and CommonJS-Compatible Modules for Plug-ins
      • Basic AMD hybrid format
      • Using CommonJS, AMD, or browser globals to create a module
      • jQuery plug-ins that function in all environments
      • Related reading for UMD and AMD
  • Summary
• 11. Namespacing Patterns
  • Namespacing Fundamentals
  • Single Global Variables
  • Prefix Namespacing
  • Object Literal Notation
  • Nested Namespacing
  • Immediately Invoked Function Expressions
  • Namespace Injection
  • Advanced Namespacing Patterns
    • Automating Nested Namespacing
    • Dependency Declaration Pattern
    • Deep Object Extension
  • Recommendation
  • Summary
• 12. React.js Design Patterns
  • An Introduction to React
    • Terminology Used
    • Basic Concepts
  • Higher-Order Components
    • Composing
    • Pros
    • Cons
  • Render Props Pattern
    • Lifting State
    • Children as a Function
    • Pros
    • Cons
  • Hooks Pattern
    • Class Components
    • Restructuring
    • Complexity
    • Hooks
  • State Hook
    • Effect Hook
    • Custom Hooks
    • Additional Hooks Guidance
    • Pros and Cons of Using Hooks
    • React Hooks Versus Classes
  • Static Import
  • Dynamic Import
    • Loadable Components
    • Import on Interaction
    • Import on Visibility
  • Code-Splitting
    • Route-based Splitting
    • Bundle Splitting
  • PRPL Pattern
  • Loading Prioritization
    • Preload in Single-Page Apps
    • Preload + the async Hack
    • Preload in Chrome 95+
  • List Virtualization
    • How Does Windowing/Virtualization Work?
    • Lists
    • Grid
    • Improvements in the Web Platform
  • Conclusions
  • Summary
• 13. Rendering Patterns
  • Importance of Rendering Patterns
  • Client-Side Rendering
  • Server-Side Rendering
  • Static Rendering
    • Incremental Static Regeneration
    • On-Demand ISR
    • Summary of Static Rendering
  • Streaming SSR
  • Edge SSR
  • Hybrid Rendering
  • Progressive Hydration
  • Islands Architecture
    • Implementing Islands
    • Pros and Cons
  • React Server Components
    • Hybrid Rendering with RSC and the Next.js App Router
  • Summary
• 14. Application Structure for React.js
  • Introduction
    • Group by Module, Feature, or Route
    • Group by File Type
    • Hybrid Grouping Based on Domain and Common Components
  • Application Structure for Modern React Features
    • Redux
    • Containers
    • Hooks
    • Styled Components
  • Other Best Practices
  • Application Structure for Next.js Apps
  • Summary
• 15. Conclusions
• A. References
• Index

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