Deadweight (find unused CSS)

Gemfile

@@ -110,6 +110,10 @@ group :test do
   gem 'capybara-screenshot' # Automatically save screen shots when a scenario fails
 
   gem 'rspec-cells' # Test cells using RSpec
+
+  # Find unused CSS selectors by scraping the generated HTML in acceptance tests
+  gem 'deadweight', require: 'deadweight/hijack/rails', git: 'git://github.com/jmuheim/deadweight'
+  gem 'colored' # Provides colored output
 end
 
 # Use ActiveModel has_secure_password

Gemfile.lock

@@ -5,6 +5,14 @@ GIT
   specs:
     spring (1.0.0)
 
+GIT
+  remote: git://github.com/jmuheim/deadweight
+  revision: 4067f6fb05ae10cb9034462d181870884c9c25fe
+  specs:
+    deadweight (0.2.2)
+      css_parser (~> 1.2.6)
+      nokogiri
+
 GIT
   remote: git://github.com/jmuheim/rip_hashrocket
   revision: e500703e35598a3a1b680c7ca5d466b68faa2d9c
@@ -80,6 +88,7 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.6.3)
+    colored (1.2)
     columnize (0.3.6)
     compass (0.12.2)
       chunky_png (~> 1.2)
@@ -88,6 +97,9 @@ GEM
     compass-rails (2.0.alpha.0)
       compass (>= 0.12.2, < 0.14)
     coolline (0.4.2)
+    css_parser (1.2.6)
+      addressable
+      rdoc
     database_cleaner (1.2.0)
     debug_inspector (0.0.2)
     debugger (1.6.3)
@@ -371,8 +383,10 @@ DEPENDENCIES
   capybara-screenshot
   cells
   coffee-rails (~> 4.0.0)
+  colored
   compass-rails (~> 2.0.alpha.0)
   database_cleaner
+  deadweight!
   devise
   email_spec
   factory_girl_rails

README.md

@@ -17,7 +17,7 @@
 - `$ powder install`
 - `$ powder link`
 
-### Develop
+### Developing
 
 - `$ powder open` opens [http://transition.dev/](http://transition.dev/) in the browser.
 - `$ guard` starts Guard, which takes care about executing tests (using [Spring application preloader](https://github.com/jonleighton/spring)), live reloading of the page, etc.
@@ -29,6 +29,10 @@
 
 - Use `@chrome` or `@selenium` flag to visually run acceptance tests in Chrome or Firefox.
 
+## Deploying
+
+- Run `rake DEADWEIGHT=true` to make sure no unncecessary CSS selectors exist.
+
 ## Backlog
 
 You can find the backlog here: [`BACKLOG.md`](./BACKLOG.md).

bin/rails

@@ -1,16 +1,4 @@
 #!/usr/bin/env ruby
-#
-# This file was generated by Bundler.
-#
-# The application 'rails' is installed as part of a gem, and
-# this file is here to facilitate running it.
-#
-
-require 'pathname'
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile",
-  Pathname.new(__FILE__).realpath)
-
-require 'rubygems'
-require 'bundler/setup'
-
-load Gem.bin_path('railties', 'rails')
+APP_PATH = File.expand_path('../../config/application',  __FILE__)
+require_relative '../config/boot'
+require 'rails/commands'

bin/rake

@@ -1,16 +1,4 @@
 #!/usr/bin/env ruby
-#
-# This file was generated by Bundler.
-#
-# The application 'rake' is installed as part of a gem, and
-# this file is here to facilitate running it.
-#
-
-require 'pathname'
-ENV['BUNDLE_GEMFILE'] ||= File.expand_path("../../Gemfile",
-  Pathname.new(__FILE__).realpath)
-
-require 'rubygems'
-require 'bundler/setup'
-
-load Gem.bin_path('rake', 'rake')
+require_relative '../config/boot'
+require 'rake'
+Rake.application.run