Book Image

Ember.js Cookbook

By : Erik Hanchett
Book Image

Ember.js Cookbook

By: Erik Hanchett

Overview of this book

Ember.js is an open source JavaScript framework that will make you more productive. It uses common idioms and practices, making it simple to create amazing single-page applications. It also lets you create code in a modular way using the latest JavaScript features. Not only that, it has a great set of APIs to get any task done. The Ember.js community is welcoming newcomers and is ready to help you when needed. This book provides in-depth explanations on how to use the Ember.js framework to take you from beginner to expert. You’ll start with some basic topics and by the end of the book, you’ll know everything you need to know to build a fully operational Ember application. We’ll begin by explaining key points on how to use the Ember.js framework and the associated tools. You’ll learn how to effectively use Ember CLI and how to create and deploy your application. We’ll take a close look at the Ember object model and templates by examining bindings and observers. We’ll then move onto Ember components, models, and Ember Data. We’ll show you examples on how to connect to RESTful databases. Next we’ll get to grips with testing with integration and acceptance tests using QUnit. We will conclude by covering authentication, services, and Ember add-ons. We’ll explore advanced topics such as services and initializers, and how to use them together to build real-time applications.
Table of Contents (18 chapters)
Ember.js Cookbook
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Using Ember with Sockets


WebSockets make it possible to open a communication session with a server. Ember.js does not handle this natively. However, there are some easy-to-use add-ons that can be used to make this possible.

How to do it...

  1. In a new application, generate a new route and install the WebSockets add-on:

    $ ember install ember-websockets
    $ ember g component w-s
    $ ember g route ws
    

    This will install the component route and add-on that we need to begin.

  2. In the components template folder, edit the w-s.hbs file:

    // app/templates/components/w-s.hbs
    Welcome Chat!<br><br>
    
    Received Message: {{message}}<br>
    <button id="sendButtonPressed" {{action "sendButtonPressed"}}>Press Me</button>

    In this template, we have a message property and button that sends an action, sendButtonPressed. When the action is triggered, a message is sent to the server. The message property will display any messages returned from the server.

  3. Update the w-s.js component file so that it can...