By Mario Casciaro, Luciano Mammino
Key Features
- Create reusable styles and modules via leveraging the hot positive factors of Node.js
- This distinctive consultant can assist you get the main out of Node.js by way of delivering a sequence of styles and methods of the Node.JS ecosystem
- Illustrative examples may also help you get a transparent functional understanding.
Book Description
Node.js is a hugely well known software program platform that permits you to use JavaScript to simply create scalable server-side functions. It enables you to create effective code, permitting a extra sustainable method of writing software program made up of just one language around the complete stack, in addition to severe degrees of reusability, pragmatism, simplicity, and collaboration. Node.js is revolutionizing the net and how humans and corporations create their software.
In this e-book, we are going to take you on a trip throughout a variety of rules and elements, and the demanding situations you will in general come across whereas designing and constructing software program utilizing the Node.js platform. additionally, you will realize the "Node.js approach" of facing layout and coding decisions.
The booklet kicks off via exploring the fundamentals of Node.js describing it is asynchronous single-threaded structure and the most layout styles. It then exhibits you the way to grasp the asynchronous keep an eye on move styles, the move library and it culminates right into a targeted record of Node.js implementations of the commonest layout styles in addition to a few particular layout styles which are unique to the Node.js global. finally, it dives into extra complex thoughts like modules, common Javascript and scalability and it truly is intended to finish the adventure by way of giving the reader the entire priceless recommendations which will construct an firm grade program utilizing Node.js.
What you'll learn
- Design and enforce a chain of server-side JavaScript styles so that you comprehend why and whilst to use them in numerous use case scenarios
- Leverage the entire styles that let you reap the benefits of positive factors from callbacks to the futuristic async-await syntax.
- Identify crucial issues and observe designated tips to in achieving greater scalability and modularity on your Node.js application
- Untangle your modules by way of organizing and connecting them coherently
- Reuse recognized strategies to avoid universal layout and coding issues
- Explore the hot development of common JavaScript for you to simply proportion code with the browser, fending off duplication among back-end and front-end code
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Extra info for Node.js Design Patterns - Second Edition
Js application. Chapter 8, Messaging and Integration Patterns, presents the most important messaging patterns, teaching you how to build and integrate complex distributed systems using ZMQ and AMQP. What you need for this book To experiment with the code, you will need a working installation of Node. js version zero. 10 (or greater) and npm. Some examples will require Node. js 0. 11 or greater. You will also need to be familiar with the command prompt, know how to install an npm package, and know how to run Node. js applications. You will also need a text editor to work with the code and a web browser. Who this book is for This book is for developers who have already had initial contact with Node. js and now want to get the most out of it in terms of productivity, design quality, and scalability. You are only required to have some prior exposure to the technology through some basic examples, since this book will cover some basic concepts as well. builders with intermediate experience in Node. js will also find the techniques presented in this book beneficial. Some background in software design theory is also an advantage to understand some of the concepts presented. This book assumes that you have a working knowledge of web application development, JavaScript, web services, databases, and data structures. Conventions In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning. Code words in text are shown as follows: "We can include other contexts through the use of the include directive. " A block of code is set as follows: var zmq = require('zmq') var sink = zmq. socket('pull'); sink. bindSync("tcp://*:5001"); sink. on('message', function(buffer) { console. log('Message from worker: ', buffer. toString()); }); When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold: function produce() { [... ] variationsStream(alphabet, maxLength) . on('data', function(combination) { [... ] var msg = {searchHash: searchHash, variations: batch}; channel. sendToQueue('jobs_queue', new Buffer(JSON. stringify(msg))); [... ] } }) [... ] } Any command-line input or output is written as follows: node replier node requestor New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in the text like this: "To explain the problem, we will create a little web spider, a command-line application that takes in a web URL as the input and downloads its contents locally into a file. " Note Warnings or important notes appear in a box like this. Tip Tips and tricks appear like this. Reader feedback Feedback from our readers is always welcome. Let us know what you think about this book—what you liked or may have disliked. Reader feedback is important for us to develop titles that you really get the most out of.