Project

angularjs-rails-cdn

0.01
No commit activity in last 3 years
No release in over 3 years
angularjs-rails-cdnstyx/angularjs-rails-cdnHomepageDocumentationSource CodeBug TrackerWiki
Adds CDN support to angularjs-rails
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 Popularity
Downloads
24,352
Stars
7
Forks
2
Watchers
2
 Releases
Current version
0.1.4
Total releases
5
First release
2013-07-07
Latest release
2013-10-30
 Issues
Open Issues
0
Closed Issues
1
Total Issues
1
Issue Closure Rate
100%
 Pull Requests
Open Pull Requests
0
Closed Pull Requests
1
Merged Pull Requests
2
Pull Request Acceptance Rate
66%
 Development
Primary Language
Ruby
Licenses
MIT
Average date of last 50 commits
2013-08-30
Reverse Dependencies
0

 Dependencies

Development

bundler
~> 1.3
coveralls
>= 0
fuubar
>= 0
pry
>= 0
rake
>= 0
rspec
>= 0

Runtime

angularjs-rails
>= 0
railties
>= 3.0
 Project Readme

angularjs-rails-cdn

Gem Version Build Status Dependency Status Code Climate Coverage Status

Adds CDN support to

Serving javascripts and stylesheets from a publicly available CDN has clear benefits:

  • Speed: Users will be able to download AngularJS from the closest physical location.
  • Caching: CDN is used so widely that potentially your users may not need to download AngularJS and others at all.
  • Parallelism: Browsers have a limitation on how many connections can be made to a single host. Using CDN for AngularJS offloads a big one.

Features

This gem offers the following features:

  • Can support multiple CDNs, but currently only Google provider is available.
  • AngularJS version is automatically detected via angularjs-rails (can be overriden).
  • Automatically fallback to angularjs-rails bundled AngularJS when:
    • You're on a development environment so that you can work offline.
    • The CDN is down or unavailable.

Implications of externalizing AngularJS from application.js are:

  • Updating your JS code won't evict the entire cache in browsers - your code changes more often than AngularJS upgrades, right?
  • rake assets:precompile takes less peak memory usage.

Changelog:

  • v0.1.4: Clean up and missing specs
  • v0.1.3: Be a bit more html_safe
  • v0.1.2: Specified license in spec file
  • v0.1.1: Pass options to javascript_include_tag
  • v0.1.0: Initial release

Installation

Add this line to your application's Gemfile:

gem 'angularjs-rails-cdn'

Usage

This gem adds methods to generate a script tag to the AngularJS on a CDN of your preference: angularjs_include_tag and angularjs_url

If you're using assets pipeline with Rails 3.1+, first remove //= require angular (or other special files if you are using not full version) from application.js.

Then in layout:

= angularjs_include_tag :google
= javascript_include_tag 'application'

Other possible usages:

# To override version
= angularjs_include_tag :google, version: '1.1.5'
# To load additional AngularJS modules
= angularjs_include_tag :google, modules: [:resources,
:cookies]

Note: currently only valid CDN symbols is:

:google

It will generate the following for AngularJS on production:

<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js" type="text/javascript"></script>
<script type="text/javascript">
//<![CDATA[
window.angular || document.write(unescape('%3Cscript src="/assets/angular-3aaa3fa0b0207a1abcd30555987cd4cc.js" type="text/javascript">%3C/script>'))
//]]>
</script>

on development:

<script src="/assets/angular.js?body=1" type="text/javascript"></script>

If you want to check the production URL, you can pass force: true as an option.

angularjs_include_tag :google, force: true

To fallback to rails assets when CDN is not available, add angular.js in config/environments/production.rb

config.assets.precompile += %w( angular.js )