Jest Techniques And Best Practices
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Jest Techniques And Best Practices
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Author : Richard Johnson
language : en
Publisher: HiTeX Press
Release Date : 2025-06-15
Jest Techniques And Best Practices written by Richard Johnson and has been published by HiTeX Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-06-15 with Computers categories.
"Jest Techniques and Best Practices" "Jest Techniques and Best Practices" serves as an authoritative, comprehensive guide for software engineers, testers, and architects aiming to master the depths of modern JavaScript testing with Jest. From its internal architecture—covering event loops, concurrency, and worker management—to nuanced configuration and plugin ecosystems, this book delves into how and why Jest works at scale. Detailed chapters illuminate everything from module resolution and globals to the plugin and reporter infrastructures that make extended workflows possible, providing advanced readers with the technical context needed to fully unlock Jest’s power. The book further explores sophisticated test design patterns and structuring strategies, emphasizing scalability, maintainability, and clarity. It addresses mock management, dependency control, and robust snapshot testing, including the creation of custom serializers, security practices, and effective review workflows. Comprehensive guidance is given to integration and end-to-end testing: orchestrating complex environments, leveraging browser automation frameworks, managing flaky tests, and controlling data across runs. Practical case studies and actionable strategies make these advanced topics accessible and directly relevant to real-world projects. Rounding out its scope, "Jest Techniques and Best Practices" offers expert coverage of scaling across monorepos, optimizing CI/CD integration, and advanced coverage and analytics for code quality assurance. Chapters on maintenance, performance optimization, and security highlight best practices for evolving codebases while future-focused sections anticipate trends and emerging paradigms in the Jest ecosystem. Whether you’re leading a large engineering organization or refining your team’s testing approaches, this book delivers the technical depth, practical advice, and foresight required for excellence in state-of-the-art JavaScript testing.
Typescript 4 Design Patterns And Best Practices
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Author : Theo Despoudis
language : en
Publisher: Packt Publishing Ltd
Release Date : 2021-09-15
Typescript 4 Design Patterns And Best Practices written by Theo Despoudis and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-09-15 with Computers categories.
A detailed and easy-to-follow guide to help you improve your TypeScript development skills and enable you to solve application design problems using modern practices Key Features Identify common gotchas and antipatterns when developing TypeScript applications and understand how to avoid them Discover expert techniques and best practices in developing large-scale TypeScript applications Explore advanced design patterns taken from functional programming and reactive programming Book Description Design patterns are critical armor for every developer to build maintainable apps. TypeScript 4 Design Patterns and Best Practices is a one-stop guide to help you learn design patterns and practices to develop scalable TypeScript applications. It will also serve as handy documentation for future maintainers. This book takes a hands-on approach to help you get up and running with the implementation of TypeScript design patterns and associated methodologies for writing testable code. You'll start by exploring the practical aspects of TypeScript 4 and its new features. The book will then take you through the traditional gang of four (GOF) design patterns in their classic and alternative form and show you how to use them in real-world development projects. Once you've got to grips with traditional design patterns, you'll advance to learning about their functional programming and reactive programming counterparts and how to couple them to deliver better and more idiomatic TypeScript code. By the end of this TypeScript book, you'll be able to efficiently recognize when and how to use the right design patterns in any practical use case and gain the confidence to work on scalable and maintainable TypeScript projects of any size. What you will learn Understand the role of design patterns and their significance Explore all significant design patterns within the context of TypeScript Analyze, and develop classical design patterns in TypeScript Find out how design patterns differ from design concepts Understand how to put the principles of design patterns into practice Discover additional patterns that stem from functional and reactive programming Who this book is for If you're a TypeScript developer looking to learn how to apply established design patterns to solve common programming problems instead of reinventing solutions, you'll find this book useful. You're not expected to have prior knowledge of design patterns. Basic TypeScript knowledge is all you need to get started with this book.
React 17 Design Patterns And Best Practices
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Author : Carlos Santana Roldán
language : en
Publisher: Packt Publishing Ltd
Release Date : 2021-05-17
React 17 Design Patterns And Best Practices written by Carlos Santana Roldán and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2021-05-17 with Computers categories.
Build scalable, maintainable, and powerful React web apps with design patterns and insightful best practices Key Features Make the most of design patterns in React – including render props and controlled and uncontrolled inputs Master React Hooks with the help of this updated third edition Work through examples that can be used to create reusable code and extensible designs Book DescriptionFilled with useful React patterns that you can use in your projects straight away, this book will help you save time and build better web applications with ease. React 17 Design Patterns and Best Practices is a hands-on guide for those who want to take their coding skills to a new level. You’ll spend most of your time working your way through the principles of writing maintainable and clean code, but you’ll also gain a deeper insight into the inner workings of React. As you progress through the chapters, you’ll learn how to build components that are reusable across the application, how to structure applications, and create forms that actually work. Then you’ll build on your knowledge by exploring how to style React components and optimize them to make applications faster and more responsive. Once you’ve mastered the rest, you’ll learn how to write tests effectively and how to contribute to React and its ecosystem. By the end of this book, you'll be able to avoid the process of trial and error and developmental headaches. Instead, you’ll be able to use your new skills to efficiently build and deploy real-world React web applications you can be proud of.What you will learn Get to grips with the techniques of styling and optimizing React components Create components using the new React Hooks Use server-side rendering to make applications load faster Get up to speed with the new React Suspense technique and using GraphQL in your projects Write a comprehensive set of tests to create robust and maintainable code Build high-performing applications by optimizing components Who this book is for This book is for web developers who want to understand React better and apply it to real-life app development. You’ll need an intermediate-level experience with React and JavaScript before you get started.
Learning Javascript A Comprehensive Guide From Beginner To Intermediate
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Author : Lyron Foster
language : en
Publisher: Career Kick Start Books, LLC
Release Date : 2023-03-03
Learning Javascript A Comprehensive Guide From Beginner To Intermediate written by Lyron Foster and has been published by Career Kick Start Books, LLC this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-03-03 with Computers categories.
Learning JavaScript: A Comprehensive Guide from Beginner to Intermediate is an in-depth guide to learning the fundamental concepts of JavaScript and becoming proficient in the language. The book is designed for beginners who have little or no prior programming experience, as well as intermediate learners who want to improve their skills. The book is divided into eight chapters, each covering a different topic in JavaScript. Chapter 1 provides an introduction to JavaScript, its importance in web development, and the development environment setup. Chapters 2-4 cover the basics of JavaScript syntax, data types, variables and constants, control structures, functions, and objects. Chapters 5-6 delve into more advanced topics such as asynchronous programming, JavaScript libraries and frameworks, and modern JavaScript techniques and tools. Chapter 7 explores advanced JavaScript concepts and techniques such as using JavaScript with server-side technologies and testing frameworks. Finally, Chapter 8 provides best practices for JavaScript development. Throughout the book, readers will find numerous examples and exercises to reinforce their understanding of the material. The book also includes best practices for JavaScript development, which can help readers write more efficient and maintainable code. By the end of the book, readers will have a strong foundation in JavaScript and will be able to build complex applications using the language.
React Design Patterns And Best Practices
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Author : Carlos Santana Roldán
language : en
Publisher: Packt Publishing Ltd
Release Date : 2019-03-30
React Design Patterns And Best Practices written by Carlos Santana Roldán and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-03-30 with Computers categories.
We will be taking a complete journey through the most valuable design patterns in React, this book demonstrates how to apply design patterns and best practices in real-life situations, whether that’s for new or already existing projects. It will help you to make your applications more flexible, perform better, and easier to maintain.
React Nat Ve
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Author : Anonim
language : en
Publisher: Anonim
Release Date :
React Nat Ve written by Anonim and has been published by Anonim this book supported file pdf, txt, epub, kindle and other format this book has been release on with Computers categories.
React 18 Design Patterns And Best Practices
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Author : Carlos Santana Roldán
language : en
Publisher: Packt Publishing Ltd
Release Date : 2023-07-31
React 18 Design Patterns And Best Practices written by Carlos Santana Roldán and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-07-31 with Computers categories.
Dive in and discover how to build awesome React web apps that you can scale and maintain using design patterns and the latest industry insights Purchase of the print or Kindle book includes a free PDF eBook Key Features Discover and unpack the latest React 18 and Node 19 features in this updated fourth edition Get up to speed with TypeScript, MonoRepo architecture, and several cutting-edge React tools Learn from plenty of real-world examples and an improved chapter flow Book Description React helps you work smarter, not harder — but to reap the benefits of this popular JavaScript library and its components, you need a straightforward guide that will teach you how to make the most of it. React 18 Design Patterns and Best Practices will help you use React effectively to make your applications more flexible, easier to maintain, and improve their performance, while giving your workflow a huge boost. With a better organization of topics and knowledge about best practices added to your developer toolbox, the updated fourth edition ensures an enhanced learning experience. The book is split into three parts; the first will teach you the fundamentals of React patterns, the second will dive into how React works, and the third will focus on real-world applications. All the code samples are updated to the latest version of React and you'll also find plenty of new additions that explore React 18 and Node 19's newest features, alongside MonoRepo Architecture and a dedicated chapter on TypeScript. By the end of this book, you'll be able to efficiently build and deploy real-world React web applications. What you will learn Get familiar with the new React 18 and Node 19 features Explore TypeScript's basic and advanced capabilities Make components communicate with each other by applying various patterns and techniques Dive into MonoRepo architecture Use server-side rendering to make applications load faster Write a comprehensive set of tests to create robust and maintainable code Build high-performing applications by styling and optimizing React components Who this book is for This book is for web developers who want to master React by learning key design patterns and best practices in real-world application development. You'll need an intermediate-level experience with React and JavaScript before you get started.
Node Cookbook
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Author : Bethany Griggs
language : en
Publisher: Packt Publishing Ltd
Release Date : 2020-11-25
Node Cookbook written by Bethany Griggs and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-25 with Computers categories.
Discover practical recipes to get to grips with Node.js concepts and programming models for delivering a scalable server-side for your applications Key FeaturesImplement practical solutions for scaling, securing, and testing your Node.js web apps effectivelyBuild and deploy scalable microservices architecture with the power of Node.js 14Discover techniques for debugging and testing Node.js applicationsBook Description A key technology for building web applications and tooling, Node.js brings JavaScript to the server enabling full-stack development in a common language. This fourth edition of the Node Cookbook is updated with the latest Node.js features and the evolution of the Node.js framework ecosystems. This practical guide will help you to get started with creating, debugging, and deploying your Node.js applications and cover solutions to common problems, along with tips to avoid pitfalls. You'll become familiar with the Node.js development model by learning how to handle files and build simple web applications and then explore established and emerging Node.js web frameworks such as Express.js and Fastify. As you advance, you'll discover techniques for detecting problems in your applications, handling security concerns, and deploying your applications to the cloud. This recipe-based guide will help you to easily navigate through various core topics of server-side web application development with Node.js. By the end of this Node book, you'll be well-versed with core Node.js concepts and have gained the knowledge to start building performant and scalable Node.js applications. What you will learnUnderstand the Node.js asynchronous programming modelCreate simple Node.js applications using modules and web frameworksDevelop simple web applications using web frameworks such as Fastify and ExpressDiscover tips for testing, optimizing, and securing your web applicationsCreate and deploy Node.js microservicesDebug and diagnose issues in your Node.js applicationsWho this book is for The book is for web developers who have knowledge of JavaScript and want to gain a broad understanding of Node.js concepts for server-side development.
React Design Patterns And Best Practices
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Author : Michele Bertoli
language : en
Publisher: Packt Publishing Ltd
Release Date : 2017-01-13
React Design Patterns And Best Practices written by Michele Bertoli and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-01-13 with Computers categories.
Build modular applications that are easy to scale using the most powerful components and design patterns that React can offer you right now About This Book Dive into the core patterns and components of React.js in order to master your application's design Improve their debugging skills using the DevTools This book is packed with easy-to-follow examples that can be used to create reusable code and extensible designs Who This Book Is For If you want to increase your understanding of React and apply it to real-life application development, then this book is for you. What You Will Learn Write clean and maintainable code Create reusable components applying consolidated techniques Use React effectively in the browser and node Choose the right styling approach according to the needs of the applications Use server-side rendering to make applications load faster Build high-performing applications by optimizing components In Detail Taking a complete journey through the most valuable design patterns in React, this book demonstrates how to apply design patterns and best practices in real-life situations, whether that's for new or already existing projects. It will help you to make your applications more flexible, perform better, and easier to maintain – giving your workflow a huge boost when it comes to speed without reducing quality. We'll begin by understanding the internals of React before gradually moving on to writing clean and maintainable code. We'll build components that are reusable across the application, structure applications, and create forms that actually work. Then we'll style React components and optimize them to make applications faster and more responsive. Finally, we'll write tests effectively and you'll learn how to contribute to React and its ecosystem. By the end of the book, you'll be saved from a lot of trial and error and developmental headaches, and you will be on the road to becoming a React expert. Style and approach The design patterns in the book are explained using real-world, step-by-step examples. For each design pattern, there are hints about when to use it and when to look for something more suitable. This book can also be used as a practical guide, showing you how to leverage design patterns.
Enterprise React Development With Umijs
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Author : Douglas Alves Venancio
language : en
Publisher: Packt Publishing Ltd
Release Date : 2022-05-23
Enterprise React Development With Umijs written by Douglas Alves Venancio and has been published by Packt Publishing Ltd this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-05-23 with Computers categories.
Get to grips with UmiJS and build professional web applications with the help of step-by-step explanations and hands-on examples Key Features • Explore tips, tricks, and best practices for creating web applications with UmiJS • Learn how to apply Ant Design System in UmiJS to build modern user interfaces • Manage errors in designing web applications while using UmiJS and its main plugins Book Description UmiJS is the Ant Group's underlying frontend development framework, an open source project for developing enterprise-class frontend applications. In this book, you'll get hands-on with single-page application development using UmiJS. By following practical step-by-step examples, you'll develop essential skills to build and publish your apps and create a modern user experience with responsive interfaces. This book will help you learn the essential features of UmiJS and how to set up and build a project from scratch using React, Less, and TypeScript. You'll study Ant Design, a framework based on solid design concepts that provides a series of React components to accelerate interface development. Along the way, you'll see how to make requests and develop the frontend using simulated data while ensuring that your app has a high level of security and feedback. You'll also discover ways to improve your code quality and readability using formatting tools. By the end of the book, you'll have learned how to use UmiJS to design user interfaces, as well as compile, test, and package your app locally, and deliver your app by deploying it to online services. What you will learn • Understand how to improve code quality with formatting tools • Secure your application and handle errors in HTTP requests using UmiJS • Configure and use UmiJS for rapid single-page application development • Apply what you've learned when building your portfolio and stand out in the market • Use the visual option Umi UI to build and add components to the project • Advance as a frontend developer by learning UmiJS best practices and techniques for web application development • Identify errors in advance by writing unit tests using Jest and Puppeteer Who this book is for This book is for React developers who want to develop enterprise-class frontend applications using UmiJS and its main plugins. Basic knowledge of React and JavaScript is assumed but no knowledge of UmiJS is needed.