Accelerating Development with Express | Node Cookbook: Second Edition

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Node Cookbook: Second Edition

By : David Mark Clements

4.3 (7)

Node Cookbook: Second Edition

4.3 (7)

By: David Mark Clements

Overview of this book

Node Cookbook Second Edition

Node Cookbook Second Edition

Credits

Credits

About the Author

About the Author

About the Reviewers

About the Reviewers

www.PacktPub.com

www.PacktPub.com

Preface

Preface

Free Chapter

Making a Web Server

Making a Web Server

Introduction

Setting up a router

Serving static files

Caching content in memory for immediate delivery

Optimizing performance with streaming

Securing against filesystem hacking exploits

Exploring the HTTP Object

Exploring the HTTP Object

Introduction

Processing POST data

Handling file uploads

Using Node as an HTTP client

Implementing download throttling

Working with Data Serialization

Working with Data Serialization

Introduction

Converting an object to JSON and back

Converting an object to XML and back

Browser-server transmission via AJAX

Working with real data – fetching trending tweets

Interfacing with Databases

Interfacing with Databases

Introduction

Writing to a CSV file

Connecting and sending SQL to a MySQL server

Storing and retrieving data with MongoDB

Storing data to CouchDB with Cradle

Retrieving data from CouchDB with Cradle

Accessing the CouchDB changes stream with Cradle

Storing and retrieving data with Redis

Implementing PubSub with Redis

Employing Streams

Employing Streams

Introduction

Consuming streams

Playing with pipes

Making stream interfaces

Streaming across Node processes

Going Real Time

Going Real Time

Introduction

Creating a WebSocket server

Cross-browser real-time logic with Socket.IO

Remote Procedure Calls with Socket.IO

Creating a real-time widget

Accelerating Development with Express

Accelerating Development with Express

Introduction

Generating Express scaffolding

Managing server tier environments

Implementing dynamic routing

Templating in Express

CSS preprocessors with Express

Initializing and using a session

Making an Express web app

Implementing Security, Encryption, and Authentication

Implementing Security, Encryption, and Authentication

Introduction

Implementing Basic Authentication

Hashing passwords

Implementing Digest Authentication

Setting up an HTTPS web server

Preventing cross-site request forgery

Integrating Network Paradigms

Integrating Network Paradigms

Introduction

Sending an e-mail

Sending an SMS

Communicating with TCP

Creating an SMTP server

Implementing a virtual hosting paradigm

Writing Your Own Node Modules

Writing Your Own Node Modules

Introduction

Creating a test-driven module specification

Writing a functional module mock-up

Refactoring with prototypical inheritance

Extending a module's API

Deploying a module to npm

Taking It Live

Taking It Live

Introduction

Deploying an app to a server environment

Automatic crash recovery

Continuous deployment

Hosting with a Platform as a Service provider

Index

Index

Implementing dynamic routing

In the very first recipe of this cookbook, Setting up a router, we explored various ways to set up routing in Node. Express provides a far superior and very powerful routing interface, which we'll explore in this recipe.

Getting ready

In this recipe, we'll work with our nca folder.

How to do it...

Let's say we want to add a page for a fictional character named "Mr Page." We'll name the route page, so in the routes section of app.js, we add the following code:

app.get('/page', function (req, res) {
  res.send('Hello I am Mr Page');
});

We can also define flexible routes and grab the requested route using req.params as shown in the following code:

app.get('/:page', function (req, res) {
  res.send('Welcome to the ' + req.params.page + ' page');
});

It's maybe okay to shove our callbacks directly into app.get while prototyping ideas, but in the interest of a clutter-free app.js let's take our callbacks and load them from routes/index.js as follows:

var express = require...

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Tech Concepts

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Programming languages

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