Initial commit

.gitignore

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+/.bundle/
+/.yardoc
+/Gemfile.lock
+/_yardoc/
+/coverage/
+/doc/
+/pkg/
+/spec/reports/
+/tmp/
+*.bundle
+*.so
+*.o
+*.a
+mkmf.log

Gemfile

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+source "https://rubygems.org"
+
+gemspec
+
+gem "pry"

LICENSE.txt

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+Copyright (c) 2014 Pavel Pravosud
+
+MIT License
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.md

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+# Ember::Cli::Rails
+
+TODO: Write a gem description
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+```ruby
+gem 'ember-cli-rails'
+```
+
+And then execute:
+
+    $ bundle
+
+Or install it yourself as:
+
+    $ gem install ember-cli-rails
+
+## Usage
+
+TODO: Write usage instructions here
+
+## Contributing
+
+1. Fork it ( https://github.com/[my-github-username]/ember-cli-rails/fork )
+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 a new Pull Request

Rakefile

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+require "bundler/gem_tasks"
+

ember-cli-rails.gemspec

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+require_relative "./lib/ember-cli/version"
+
+Gem::Specification.new do |spec|
+  spec.name     = "ember-cli-rails"
+  spec.version  = EmberCLI::VERSION
+  spec.authors  = ["Pavel Pravosud"]
+  spec.email    = ["pavel@pravosud.com"]
+  spec.summary  = "Helps integrate EmberCLI with Rails"
+  spec.homepage = "https://github.com/rwz/ember-cli-rails"
+  spec.license  = "MIT"
+  spec.files    = Dir["README.md", "LICENSE.txt", "lib/**/*"]
+
+  spec.required_ruby_version = "~> 2.0"
+  spec.add_dependency "railties", "~> 4.0"
+end

lib/ember-cli-rails.rb

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+require "ember-cli/railtie" if defined?(Rails)
+
+module EmberCLI
+  extend self
+
+  autoload :BuildServer,   "ember-cli/build_server"
+  autoload :Configuration, "ember-cli/configuration"
+  autoload :RackServer,    "ember-cli/rack_server"
+
+  def configure
+    yield configuration
+  end
+
+  def configuration
+    Configuration.instance
+  end
+
+  def prepare!
+    Rack::Server.prepend RackServer
+    Rails.configuration.assets.paths << root.join("assets").to_s
+    at_exit{ cleanup }
+  end
+
+  def start!
+    configuration.app_list.each(&:start)
+  end
+
+  def stop!
+    configuration.app_list.each(&:stop)
+  end
+
+  def root
+    @root ||= Rails.root.join("tmp", "ember-cli-#{uid}")
+  end
+
+  private
+
+  def uid
+    @uid ||= SecureRandom.uuid
+  end
+
+  def cleanup
+    root.rmtree if root.exist?
+  end
+end

lib/ember-cli/build_server.rb

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+module EmberCLI
+  class BuildServer
+    attr_reader :name, :options, :pid
+
+    def initialize(name, **options)
+      @name, @options = name.to_s, options
+    end
+
+    def start
+      symlink_to_assets_root
+
+      @pid = spawn(command).tap do |pid|
+        at_exit{ stop }
+      end
+    end
+
+    def stop
+      Process.kill "INT", pid if pid
+      @pid = nil
+    end
+
+    private
+
+    def command
+      <<-CMD.squish
+        cd #{app_path};
+        ember build --watch --output-path #{dist_path}
+      CMD
+    end
+
+    def app_path
+      options.fetch(:path){ Rails.root.join("app", name) }
+    end
+
+    def symlink_to_assets_root
+      assets_path.join(name).make_symlink dist_path.join("assets")
+    end
+
+    def dist_path
+      @dist_path ||= EmberCLI.root.join("apps", name).tap(&:mkpath)
+    end
+
+    def assets_path
+      @assets_path ||= EmberCLI.root.join("assets").tap(&:mkpath)
+    end
+  end
+end

lib/ember-cli/configuration.rb

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+require "singleton"
+
+module EmberCLI
+  class Configuration
+    include Singleton
+
+    def app(name, **options)
+      app_list << BuildServer.new(name, options)
+    end
+
+    def app_list
+      @app_list ||= []
+    end
+  end
+end

lib/ember-cli/rack_server.rb

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+module EmberCLI
+  module RackServer
+    def start
+      EmberCLI.start! if defined?(Rails.application) && app == Rails.application
+      super
+    ensure
+      EmberCLI.stop!
+    end
+  end
+end

lib/ember-cli/railtie.rb

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+module EmberCLI
+  class Railtie < Rails::Railtie
+    initializer "ember-cli-rails.rack-server" do
+      EmberCLI.prepare! if development_mode?
+    end
+
+    def development_mode?
+      !Rails.env.production? && Rails.configuration.consider_all_requests_local
+    end
+  end
+end

lib/ember-cli/version.rb

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+module EmberCLI
+  VERSION = "0.0.1".freeze
+end