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Node Cookbook
Node Cookbook

Node Cookbook: Discover solutions, techniques, and best practices for server-side web development with Node.js 14 , Fourth Edition

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Node Cookbook

Chapter 2: Handling I/O

Prior to Node.js, JavaScript was predominantly used in the browser. Node.js brought JavaScript to the server and has enabled us to interact with the operating system with JavaScript. Today, Node.js is one of the most popular technologies for building server-side applications.

Node.js interacts with the operating system at a fundamental level: input and output. This chapter will explore the core APIs provided by Node.js that allow us to interact with the standard I/O, the file system, and the network stack.

This chapter will show you how to read and write files both synchronously and asynchronously. Node.js was built to handle asynchronous code and enable a non-blocking model. Understanding how to read and write asynchronous code is key learning, and it will show how to leverage the capabilities of Node.js.

We will also learn about the core modules provided by Node.js. We'll be focusing on the File System module, which enables you to interact with the file system and files.

This chapter will cover the following recipes:

  • Handling standard I/O
  • Managing files with fs module
  • Inspecting file metadata
  • Watching for file updates
  • Creating TCP server and client communication

Technical requirements

This chapter assumes that you have a recent version of Node.js 14 installed, a Terminal or shell, and an editor of your choice. The code for this chapter will be available on GitHub at https://github.com/PacktPublishing/Node.js-14-Cookbook in the Chapter02 directory.

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Key benefits

  • Implement practical solutions for scaling, securing, and testing your Node.js web apps effectively
  • Build and deploy scalable microservices architecture with the power of Node.js 14
  • Discover techniques for debugging and testing Node.js applications

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.

Who is this book 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.

What you will learn

  • Understand the Node.js asynchronous programming model
  • Create simple Node.js applications using modules and web frameworks
  • Develop simple web applications using web frameworks such as Fastify and Express
  • Discover tips for testing, optimizing, and securing your web applications
  • Create and deploy Node.js microservices
  • Debug and diagnose issues in your Node.js applications
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Nov 25, 2020
Length: 512 pages
Edition : 4th
Language : English
ISBN-13 : 9781838558758
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Length: 512 pages
Edition : 4th
Language : English
ISBN-13 : 9781838558758
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Tools :

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Table of Contents

13 Chapters
Chapter 1: Introducing Node.js 14 Chevron down icon Chevron up icon
Chapter 2: Handling I/O Chevron down icon Chevron up icon
Chapter 3: Streams, Streams, Streams Chevron down icon Chevron up icon
Chapter 4: Using Web Protocols Chevron down icon Chevron up icon
Chapter 5: Developing Node.js modules Chevron down icon Chevron up icon
Chapter 6: Exploring Node.js web Frameworks Chevron down icon Chevron up icon
Chapter 7: Working with Databases Chevron down icon Chevron up icon
Chapter 8: Testing with Node.js Chevron down icon Chevron up icon
Chapter 9: Securing Node.js Applications Chevron down icon Chevron up icon
Chapter 10: Performance Optimization Chevron down icon Chevron up icon
Chapter 11: Deploying Node.js Microservices Chevron down icon Chevron up icon
Chapter 12: Debugging Node.js Chevron down icon Chevron up icon
Other Books You May Enjoy Chevron down icon Chevron up icon

Customer reviews

Top Reviews
Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.5
(11 Ratings)
5 star 63.6%
4 star 27.3%
3 star 0%
2 star 9.1%
1 star 0%
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Daniel Kanangila Jan 14, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This book is excellent for newbie and experienced Node.js developers. It's up-to-date and gives excellent explanations of large Node.js concepts in de detail with showcase examples.
Amazon Verified review Amazon
Aditya Munot Mar 17, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
It’s contains are very easy to understand and implement.
Amazon Verified review Amazon
Seung C. Dec 29, 2020
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I wish I had this book when I was first starting to learn Node.js. The official Node documentation can be a bit difficult to get through for a new developer and this book was a great supplement that easily explains important concepts. The author does an excellent job of making the content succinct and easy to understand with the recipes and explanations. The book goes over a plethora of concepts and is a great read for anyone trying to expand their Node knowledge.
Amazon Verified review Amazon
M. Dec 20, 2020
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Want to learn Node.js, brush up on your skills, or discover the latest features of Node 14 and beyond? This book is for you! Written by a senior developer and Red Hatter, With a thorough presentation of everything Node, Bethany Griggs delivers from cover to cover in this latest Node Cookbook edition.
Amazon Verified review Amazon
Just Some Guy Sep 10, 2022
Full star icon Full star icon Full star icon Full star icon Full star icon 5
This is a great resource for any serious Node developer. It was written for the Node 14.x release, but it's still useful today as most of the 'recipes' in the book are fairly timeless and still apply. There's more here for junior developers than seasoned Node pros, but given the breadth of topics covered (including more advanced issues such as streams, security, optimization, and runtime debugging), there's bound to be something helpful in this book for almost any Node developer.This book is a valuable resource I expect I'll refer to often for years to come. I give it top marks!
Amazon Verified review Amazon
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Unfortunately, due to several restrictions, we are unable to ship to the following countries:

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