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Node Cookbook

Node Cookbook

By : Bethany Griggs
4.5 (11)
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Node Cookbook

Node Cookbook

4.5 (11)
By: Bethany Griggs

Overview of this book

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.
Table of Contents (14 chapters)
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Chapter 3: Streams, Streams, Streams

Streams are one of the key features of Node.js. Most Node.js applications rely on the underlying Node.js streams implementation, be it for reading/writing files, handling HTTP requests, or other network communications. Streams provide a mechanism to sequentially read input and write output.

By reading chunks of data sequentially, we can work with very large files (or other data input) that would generally be too large to read into memory and process as a whole. Streams are fundamental to big data applications or media streaming services, where the data is too large to consume at once.

There are four main types of streams in Node.js:

  • Readable streams: Used for reading data
  • Writable streams: Used for writing data
  • Duplex streams: Used for both reading and writing data
  • Transform streams: A type of duplex stream that transforms the data input, and then outputs the transformed data

This chapter will demonstrate how we...

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