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Meteor Cookbook

Meteor Cookbook

By : Isaac Strack
4.4 (5)
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Meteor Cookbook

Meteor Cookbook

4.4 (5)
By: Isaac Strack

Overview of this book

This book is meant for developers of all experience levels looking to create mobile and full-stack web applications in JavaScript. Many of the simple recipes can easily be followed by less-experienced developers, while some of the advanced recipes will require extensive knowledge of existing web, mobile, and server technologies. Any application or enterprise web developer looking to create full-stack JavaScript-based apps will benefit from the recipes and concepts covered in this book.
Table of Contents (14 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Sections
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Optimizing Your Workflow
1. Optimizing Your Workflow
Introduction
Installing Meteor
Finding documentation for Meteor
Getting help with questions
Setting up your project file structure
Setting up your development environment
Using the web console
Deploying a test app to Meteor
Deploying to Meteor using a CNAME redirect
Deploying to a custom hosted environment
Deploying with Meteor Up (MUP)
Using CoffeeScript
Using CSS compilers
2
2. Customizing with Packages
2. Customizing with Packages
Introduction
Adding Meteor packages
Removing Meteor packages
Discovering new packages with Atmosphere
Creating a multipage application with Iron Router
Building a custom package
Using npm modules
Publishing custom packages to Atmosphere
3
3. Building Great User Interfaces
3. Building Great User Interfaces
Introduction
Inserting templates with Spacebars
Inserting raw HTML using triple braces
Creating dynamic lists
Building a smooth interface with Bootstrap
Creating customized global helpers
Creating custom components
Using reactivity with HTML attributes
Using dynamic templates
Animating DOM elements
4
4. Creating Models
4. Creating Models
Introduction
Implementing a simple collection
Using the Session object
Sorting with MongoDB queries
Filtering with MongoDB queries
Creating upsert MongoDB queries
Implementing a partial collection
5
5. Implementing DDP
5. Implementing DDP
Introduction
Reading the DDP stream
Using client-only collections
Implementing multiserver DDP
Integrating DDP with other technologies
6
6. Mastering Reactivity
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6. Mastering Reactivity
Introduction
Creating and consuming a reactive value
Using Ajax query results in ReactiveVar
Making a custom library reactive
Updating Blaze templates without Mongo
Using inline data to modify UI elements reactively
Integrating a jQuery UI
7
7. Using Client Methods
7. Using Client Methods
Introduction
Creating dynamic graphs with SVG and Ajax
Using the HTML FileReader to upload images
Creating a coloring book with the Canvas element
8
8. Integrating Third-party Libraries
8. Integrating Third-party Libraries
Introduction
Using npm packages directly
Building graphs with D3.js
Creating cutting-edge UIs with Polymer
9
9. Securing Your Application
9. Securing Your Application
Introduction
Basic safety – turning off autopublish
Basic safety – removing insecure
Securing data transactions with allow and deny
Hiding data with façades
Protecting the client with browser-policy
10
10. Working with Accounts
10. Working with Accounts
Introduction
Implementing OAuth accounts packages
Customizing the accounts login
Performing two-factor authentication
11
11. Leveraging Advanced Features
11. Leveraging Advanced Features
Introduction
Building custom server methods
Creating custom EJSON objects
Handling asynchronous events
Using asynchronous functions
12
12. Creating Useful Projects
12. Creating Useful Projects
Introduction
Creating RESTful web services
Creating a complete app with Iron Router
Deploying apps to mobile devices
Adding social sharing
13
Index
Index

Creating and consuming a reactive value

Tracker, simply put, is Meteor's variable tracking system. It is used to manage reactive values, data structures, and computations (functions that consume reactive values). This recipe will show you how to create reactive values, and perform computations on those values, using Tracker.autorun(). In other words, it will teach you how reactive programming works inside Meteor. This recipe will come in handy as a foundation for more complex functionalities.

Getting ready

For the sake of simplicity, we will be using a default Meteor project, with the reactive-var package added to it. Open a terminal window, navigate to where you would like to create your root project, and execute the following commands:

$ meteor create reactiverecipes
$ cd reactiverecipes
$ meteor add reactive-var
$ meteor

You are now ready to start using reactive variables.

How to do it...

We are going to modify the text of a button, based on a reactive variable; so we will need to create...

End of Section 3
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