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Bundler and bower integration
Latest commit 22b92ca @LTe Bump version


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Bower support for bundler. You can use assets from bower directly in Gemfile


  • node
  • bower (>= 0.10.0) installed with npm
  • ruby >= 1.9



gem install 'bundler-bower'

Add this line to your application's Gemfile:

require "bundler/bower"


Add to your Gemfile require method.

# Gemfile
source ''
require 'bundler/bower'

# ...

You can use DSL from bower-rails. Click here for details.

Usage with Gemfile

You can use asset method directly in your Gemfile.

# Gemfile
source ''
require 'bundler/bower'

gem 'rails'
asset 'backbone', '0.9'

Usage with Bowerfile

You can use Bowerfile from bower-rails. This file should be in the same directory as the Gemfile.

# Gemfile
source ''
require 'bundler/bower'

gem 'rails'

And Bowerfile

# Bowerfile

asset 'backbone', '0.9'

Usage with bower.json

You can use bower.json from bower-rails. This file should be in the same directory as the Gemfile.

# Gemfile
source ''
require 'bundler/bower'

gem 'rails'

And bower.json

# bower.json
  "vendor": {
    "name": "bower-rails generated vendor assets",
    "dependencies": {
      "backbone"    : "0.9"

Install dependencies

Just execute bundle install.

Using rake (10.1.0)
Using bundler (1.3.5)
bower backbone#0.9              cached git://
bower backbone#0.9            validate 0.9.10 against git://
bower backbone#0.9             install backbone#0.9.10

backbone#0.9.10 bower_components/backbone
bower check-new     Checking for new versions of the project dependencies..
dsl-generated dependencies /home/lite/work/bundler-bower/spec/dummy/vendor/assets
├── backbone#0.9.10 (latest is 1.1.0)
Your bundle is complete!
Use `bundle show [gemname]` to see where a bundled gem is installed.

When you execute bundle or bundle install bundler-bower will execute bower install. But when you execute bundle update bundler-bower will execute bower update. When bundler quits you can find your assets in vendor/assets/bower_components. Of course you can change this directory by assets_path method.

Configure asset pipeline

# config/application.rb

# include Bower components in compiled assets
config.assets.paths << Rails.root.join('vendor', 'assets', 'bower_components')

Update your application.js file

// app/assets/javascripts/application.js
// Bower packages
//= require backbone/backbone
// Other components
//= require jquery
//= require jquery_ujs
// ...



  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

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