Node.js

Duration: 3 days

Description:

Node.js has become a very popular framework for building the underlying logic of an application. In this course, students will come away with a solid understanding of Node.js, its infrastructure, and supporting tools.

Objectives:

  • Master the node.js development environment

  • Learn how to effectively debug node.js applications

  • Learn how to package your node.js components

  • Learn how to build a web-site using node.js

  • Learn some of the more popular frameworks for node.js

Prerequisites:

Experience with JavaScript development.

Audience

JavaScript developers

Outline

Introduction to Node.js

  • What is Node.js?

  • History of Node.js

  • Why is Node.js important?

  • Industry use cases and the result of applying Node.js in the enterprise

  • How does Node.js work?

  • Other asynchronous frameworks

  • Node.js components

  • Node Core

  • Userland

  • What do we mean by event-driven?

  • Blocking vs. non-blocking I/O

  • V8 and JavaScript

  • The EchoServer

Asynchronous programming techniques

  • Synchronous vs. asynchronous programming

  • ES6

  • JavaScript closures

  • Callback pattern

  • Event emitters and listeners

  • Exceptions and error handling

  • Managing identities in callbacks

  • Flow control

  • Deferring function execution

  • Controlling the Node event loop

Modules

  • What is a Module?

  • Understanding the anatomy of a module

  • Package management

  • NPM and node_modules

  • Semver

  • Writing your own module

How to debug Node.js?

  • Embedded debugging code

  • Node.js’ debugging client

  • Debugging with IDEs

  • Chrome Developer Tools

  • Node Debugging Guide

  • Best practices

Test-driven (TDD) development in Node.js

  • Unit testing in Node

  • Assert module

  • Nodeunit

  • Mocha

  • Other testing frameworks

Accessing the file system

  • File system module fs

  • File statistics

  • Watching file modifications

  • Reading files

  • Writing to files

Streams and buffers

  • Reading

  • Writing

  • Pipes

  • Chaining

  • Handling binary data

Networking

  • The networking module net

  • Creating servers

  • Creating networking clients

Building web servers

  • Node.js Hello World Server

  • Servers

  • Responses

  • Requests

  • URLs

  • Query Strings

  • Clients

  • Security with HTTPS

Express

  • What is Express?

  • Middleware

  • Error handling

  • Generating an application skeleton

  • Configuration

  • Routing

  • Handling downloads and uploads

  • Authentication

Express middleware

  • Cookies

  • Body parsing

  • Logging

  • Sessions

  • Method override

  • Basic webserver functionality

  • VHost

  • Express-session

  • CSRF

  • Compression

  • Serve-favicon

  • Serve-static

  • Serve-index

Restful express

  • What is REST?

  • REST and express

  • Example of a REST API

  • REST vs GraphQL

Async

  • The boomerang effect

  • async.series

  • async.parallel

  • async.waterfall

  • async.auto

  • async.each

  • async.map

  • Recommendations and best practices

  • Async alternatives

Promises

  • What is a promise?

  • Creating a promise

  • Promises API

  • Promises and errors

  • Parallel

  • Async / await

  • Best practices