74ade51eee
* Sass gem registers a compressor
* Sass gem registers generators for assets and scaffold
* Create a default stylesheet_engine ("css") for apps that remove the Sass gem
89 lines
2.3 KiB
Ruby
89 lines
2.3 KiB
Ruby
module Sprockets
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autoload :Helpers, "sprockets/helpers"
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class Railtie < ::Rails::Railtie
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def self.using_coffee?
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require 'coffee-script'
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defined?(CoffeeScript)
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rescue LoadError
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false
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end
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config.app_generators.javascript_engine :coffee if using_coffee?
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# Configure ActionController to use sprockets.
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initializer "sprockets.set_configs", :after => "action_controller.set_configs" do |app|
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ActiveSupport.on_load(:action_controller) do
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self.use_sprockets = app.config.assets.enabled
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end
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end
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# We need to configure this after initialization to ensure we collect
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# paths from all engines. This hook is invoked exactly before routes
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# are compiled, and so that other Railties have an opportunity to
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# register compressors.
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config.after_initialize do |app|
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assets = app.config.assets
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next unless assets.enabled
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app.assets = asset_environment(app)
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ActiveSupport.on_load(:action_view) do
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include ::Sprockets::Helpers::RailsHelper
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app.assets.context_class.instance_eval do
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include ::Sprockets::Helpers::RailsHelper
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end
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end
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app.routes.prepend do
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mount app.assets => assets.prefix
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end
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if config.action_controller.perform_caching
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app.assets = app.assets.index
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end
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end
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protected
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def asset_environment(app)
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require "sprockets"
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assets = app.config.assets
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env = Sprockets::Environment.new(app.root.to_s)
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env.static_root = File.join(app.root.join("public"), assets.prefix)
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env.paths.concat assets.paths
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env.logger = Rails.logger
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env.js_compressor = expand_js_compressor(assets.js_compressor) if assets.compress
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env.css_compressor = expand_css_compressor(assets.css_compressor) if assets.compress
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env
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end
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def expand_js_compressor(sym)
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case sym
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when :closure
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require 'closure-compiler'
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Closure::Compiler.new
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when :uglifier
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require 'uglifier'
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Uglifier.new
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when :yui
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require 'yui/compressor'
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YUI::JavaScriptCompressor.new
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else
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sym
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end
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end
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def expand_css_compressor(sym)
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case sym
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when :yui
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require 'yui/compressor'
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YUI::CssCompressor.new
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else
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sym
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end
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end
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end
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end
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