Introduction to Node.js

Introduction

• What is Node.js?
• What is it good for?
• What is it not good for?
• History of Node.js
• Who Uses Node?
• How Does Node.js Work?
• Node’s REPL
• Your First Node Program
• Lab: Intro to Node
• What is Node.js Made Of?
• How is Node.js Different?
• Lab: First Look at Async Code

Node Modules

• Modules Overview
• CommonJS Example
• Using Modules
• Modules vs. Packages
• Sources of Modules
• npm
• node_modules
• json
• Npm Install
• Examples of packages from npm
• Lab: Intro to npm
• Node’s Core Modules
• The http Module
• The http Module (cont)
• Lab: A Simple Node.js Server
• The fs module
• Buffer Objects
• Modularizing Your Code
• Returning Values from Modules
• Using a Local Module
• Lab: Creating Modules
• ES6 Modules

Events and Streams

• Non-blocking with Events
• Events
• EventEmitter
• Code Walkthrough: Extending EventEmitter
• Code Walkthrough: Emit events from a function
• Node Stream Objects
• Types of Streams
• Using Readable Streams
• Using Writable Streams
• Duplex and Transform Streams
• Lab: Working with Streams
• The Pipe Method
• Lab: Piping Between Streams

The Process Object

• Command Line Arguments
• Lab: The process object

Understanding Callbacks

• Using Callbacks
• Node’s Error Convention

Promises

• What Are Promises?
• Promises vs. Event Listeners
• Why Use Promises?
• Demo: Callback vs. Promise
• Using Promises
• Promises with Bluebird
• async/await
• Upgrading to async/await
• Lab: Promises

Node on the Web

• How the Web Works
• HTTP
• HTTP Methods
• Making an HTTP Request
• Lab: Getting Data with HTTP
• RESTful Web Services
• RESTful Web Services in Practice

Testing and Debugging

• Test Driven Development
• The TDD Cycle
• TDD Steps
• Assertions
• JavaScript Testing Frameworks
• JS Exception Handling
• TDD vs. BDD
• The assert module
• Using assert
• Lab: Testing with assert
• Mocha and should.js
• Testing with Mocha and should.js
• Running Tests with Mocha

Using Express

• What is Express?
• Getting Started with Express
• Express Hello World Server
• Routing with Express
• Serve Static Content with Express
• Lab: Make an Express Server

Database Access with Node.js

• mongod and mongo
• Use MongoDB in Node
• Insert Data
• Test it out
• Retrieve from MongoDB
• Lab: hapi 16
• Lab: Async Await and hapi 17

JavaScript Review / Reference

• JavaScript is NOT Java
• Is JavaScript “Real” Programming?
• Where Can You Use JavaScript?
• How JavaScript Works
• Is JavaScript Slow?
• JavaScript Engines
• JavaScript Syntax
• JavaScript Data Types
• JavaScript Primitives
• Variables and Arrays
• Creating and Using Variables
• Variable Scoping with const and let
• let vs. var
• Creating and Using Arrays
• JavaScript Operators
• Template Literals
• Functions
• Global Functions
• Custom Functions
• Arrow Functions
• Arrow Function Parameters
• Arrow Functions (cont.)
• JavaScript Objects
• Built-in Objects
• Creating Objects
• Using Objects
• Prototypal Inheritance