Book Image

The Node Craftsman Book

By : Manuel Kiessling

Book Image

The Node Craftsman Book

By: Manuel Kiessling

Overview of this book

The Node Craftsman Book helps JavaScript programmers with basic Node.js knowledge to now thoroughly master Node.js and JavaScript. This book dives you deeper into the craft of software development with Node.js and JavaScript, incuding object-orientation, test-driven development, database handling, web frameworks, and much more. The Node Craftsman Book shows you how to work with Node.js and how to think deeply about how you build your Node projects. You'll master how to build a complete Node.js application across six crafting milestones, and you'll learn many specific skills to achieve that mastery. These skills include how to work with the Node Package Manager in depth, how to connect your Node applications to databases, and how to write unit tests and end-to-end tests for your code. You'll experience the full Node.js development picture, and learn how to craft and control your Node.js applications - right through to fully-fledged web applications using REST, and integration with Angular applications.

Preface

Notes on code formatting

Intended audience

Free Chapter

Part 1: Node.js Basics in Detail

Part 1: Node.js Basics in Detail

Introduction to Part 1

Working with NPM and Packages

Working with NPM and Packages

Test-driven Node.js Development

Test-driven Node.js Development

Object-oriented JavaScript

Object-oriented JavaScript

Blueprints versus finger-pointing

A classless society

Creating objects

Object-orientation, prototyping, and inheritance

Synchronous and Asynchronous Operations Explained

Synchronous and Asynchronous Operations Explained

Visualizing the Node.js execution model

Blocking and non-blocking operations

Using and Creating Event Emitters

Using and Creating Event Emitters

Creating your own event emitter object

Optimizing Code Performance and Control Flow Management Using the Async Library

Optimizing Code Performance and Control Flow Management Using the Async Library

Executing expensive asynchronous background tasks in parallel

Optimizing code structure with async

Node.js and MySQL

Node.js and MySQL

Using the mysql library

A first database application

Using the Streaming API

Making SQL queries secure against attacks

Node.js and MongoDB

Node.js and MongoDB

Some MongoDB basics

Applying CRUD operations with the low-level mongodb driver

Retrieving specific documents using filters

More complex update operations

Working with indexes

Querying collections efficiently

Part 2: Building a Complete Web Application with Node.js and Angular

Part 2: Building a Complete Web Application with Node.js and Angular

The requirements from a user's perspective

High level architecture overview

Setting up the development environment

Milestone 1 – A First Passing Test Against the Server

Milestone 1 – A First Passing Test Against the Server

Milestone 2 – The API Responds with Actual Database Content

Milestone 2 – The API Responds with Actual Database Content

Abstracting database access

Ensuring a clean slate for test runs

Completing the first spec

Milestone 3 – Setting the Stage for a Continuous Delivery Workflow

Milestone 3 – Setting the Stage for a Continuous Delivery Workflow

Introducing automatic database migrations

Milestone 4 – Giving Users a Frontend

Milestone 4 – Giving Users a Frontend

Setting up frontend dependencies through bower

Serving the frontend through the backend server

Adding the frontend code

Adding AngularJS view templates

Milestone 5 – More Work on the Backend

Milestone 5 – More Work on the Backend

Adding a route for retrieving categories

Making the backend recognize different environments

Milestone 6 – Completing the Backend and Finalizing the Application

Milestone 6 – Completing the Backend and Finalizing the Application

Creating the route for adding new keywords

Creating the route for updating keywords

Creating the route for deleting keywords

Customer Reviews

5 star

0

4 star

0

3 star

0

2 star

0

1 star

0

Summary

The asynchronous development style using callbacks that is a recurring pattern in JavaScript and Node.js applications can at times result in a code structure that is hard to understand. Applying the event emitter pattern comes in handy in situations where more than one callback event must be handled, resulting in a cleaner code structure that is easier to follow and reason about. The pattern is so useful that we should use it for our own objects and functions where it makes sense, something that's made easy by utilizing the existing util.inherits class.