Module: Astro::Assets

Defined in:
lib/astro/assets.rb

Overview

A simple sinatra extension to set up the sprockets environment.

Class Method Summary collapse

Class Method Details

.registered(app) ⇒ Object

Sinatra extension interface.



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# File 'lib/astro/assets.rb', line 11

def self.registered( app )
  app.helpers do

    ##
    # The sprockets environment instance.
    def assets
      env[ 'astro.sprockets' ]
    end
  end

  # development and production environments use assets
  # in `app/assets`.
  app.configure :development, :production do |app|
    app.before do
      assets.append_path 'app/assets/javascripts'
    end
  end

  # the test environment uses assets in `test/assets`.
  app.configure :test do |app|
    app.before do
      assets.append_path 'spec/assets/javascripts'
    end
  end

  app.before do
    assets.register_preprocessor \
      'application/javascript', :astro do |context, data|

      ##
      # If we're processing the root asset, require all of
      # the assets in the assets list and return the data
      # as-is. The root processed asset will take care of
      # resolving the dependencies.
      if context.logical_path == 'astro'
        env[ 'astro.assets' ].each do |asset|
          context.require_asset( asset )
        end
      end

      data
    end
  end

end