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  • Book Overview & Buying NW.js Essentials
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NW.js Essentials

NW.js Essentials

By : Benoit
4.8 (5)
Buy this Book
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NW.js Essentials

NW.js Essentials

4.8 (5)
By: Benoit
Buy this Book

Overview of this book

If you are an experienced Node.js developer who wants to create amazing desktop applications using NW.js, this is the book for you. Prior knowledge of HTML5, jQuery, and CSS is assumed.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Free Chapter
1
1. Meet NW.js
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1. Meet NW.js
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NW.js under the hood
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Features and drawbacks of NW.js
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Downloading and installing NW.js
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Development tools
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Writing and running your first "Hello World" app
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Summary
2
2. NW.js Native UI APIs
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2. NW.js Native UI APIs
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The App API – the core of your applications
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The Window API – working with windows on NW.js
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The Screen API – screen geometry functions
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The Menu API – handling window and context menus
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File dialogs – opening and saving files
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Opening files through file dragging
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The Tray API – hide your application in plain sight
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The Clipboard API – accessing the system clipboard
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The Shell API – platform-dependent desktop functions
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Summary
3
3. Leveraging the Power of Node.js
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3. Leveraging the Power of Node.js
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Routing and templating in NW.js
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Node.js global and process objects
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The window object
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Using NW.js' main module
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Handling paths in NW.js
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NW.js context issues
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Working with Node.js modules
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Summary
4
4. Data Persistence Solutions and Other Browser Web APIs
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4. Data Persistence Solutions and Other Browser Web APIs
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Data persistence solutions
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XMLHttpRequest and BLOBs
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Handling media files
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Shedding some light on security issues
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The Web Notifications API
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Summary
5
5. Let's Put It All Together
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5. Let's Put It All Together
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Let's get started!
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A matter of style
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The HTML5 skeleton
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Let's dive deep into the application logic
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The application layer
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The NativeUI layer
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Summary
6
6. Packaging Your Application for Distribution
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6. Packaging Your Application for Distribution
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The manifest file
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The general logic behind the packaging procedure
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Packaging NW.js applications for Mac OS X
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Packaging NW.js applications for Microsoft Windows
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Packaging NW.js applications for Linux
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Securing your source code
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About NW.js application licensing
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Summary
7
7. Automated Packaging Tools
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7. Automated Packaging Tools
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Web2Executable
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node-webkit-builder and grunt-node-webkit-builder
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generator-node-webkit
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Summary
8
8. Let's Debug Your Application
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8. Let's Debug Your Application
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Remote debugging
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The DevTools API
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Live reloading NW.js
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Troubleshooting common issues
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Summary
9
9. Taking Your Application to the Next Level
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9. Taking Your Application to the Next Level
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NW.js boilerplates
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Development ideas
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Resources and tutorials
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Summary
10
Index
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Index

Data persistence solutions

NW.js provides many ways to handle data persistence. You can obviously rely on a Node.js persistent database, such as EJDB, locallyDB, NeDB, or LowDB, but in this chapter, we're going to see how we can save and access persistent data by leveraging some of the latest browser storage technologies.

Note

I will not dwell on HTML5 Application Cache as I find its use to be pointless in a NW.js application; however, if you need to implement offline navigation, you know you can rely on it as well.

Web storage

Web storage is a browser technology, which was once part of the HTML5 specification but lately split into its own specification, used to store temporary or permanent key-value data on the client side. It's by far the easiest way to achieve data persistence in the browser but also one of the weakest. Let's see some disadvantages of web storage:

  • Maximum 5 MB storage limit
  • Web storage calls are synchronous and can block the main document from rendering
  • As...

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