Book Image

JavaScript Design Patterns

By : Hugo Di Francesco
Book Image

JavaScript Design Patterns

By: Hugo Di Francesco

Overview of this book

Unlock the potential of JavaScript design patterns, the foundation for development teams seeking structured and reusable solutions to common software development challenges in this guide to improving code maintainability, scalability, and performance. Discover how these patterns equip businesses with cleaner and more maintainable code, promote team collaboration, reduce errors, and save time and costs. This book provides a comprehensive view of design patterns in modern (ES6+) JavaScript with real-world examples of their deployment in professional settings. You’ll start by learning how to use creational, structural, and behavioral design patterns in idiomatic JavaScript, and then shift focus to the architecture and UI patterns. Here, you’ll learn how to apply patterns for libraries such as React and extend them further to general web frontend and micro frontend approaches. The last section of the book introduces and illustrates sets of performance and security patterns, including messaging and events, asset and JavaScript loading strategies, and asynchronous programming performance patterns. Throughout the book, examples featuring React and Next.js, in addition to JavaScript and Web API examples, will help you choose and implement proven design patterns across diverse web ecosystems, transforming the way you approach development.
Table of Contents (16 chapters)
Part 1:Design Patterns
Part 2:Architecture and UI Patterns
Part 3:Performance and Security Patterns

An overview of micro frontends

A micro frontend setup is one where multiple frontend applications or components are composed. This is akin to microservices, where a micro frontend would encapsulate a subset of functionality, or “bounded context.”

For example, in an e-commerce setting, we might have a “search” micro frontend and a “cart” or “checkout” micro frontend.

Figure 6.1: A simplified micro frontends diagram

Figure 6.1: A simplified micro frontends diagram

We’ve now introduced the micro frontends architecture; next, we’ll see at the key benefits micro frontends deliver.

Key benefits

The benefits of the micro frontend patterns are similar to microservice benefits. They usually come in the sociotechnical aspect of development.

Each micro frontend can use a different set of technologies, which means the right tool for the job can be selected. A very page-load performance-sensitive page might use a different stack than...