JezK
Edit File: sprocketstask.rb
require 'rake' require 'rake/tasklib' require 'sprockets' require 'logger' module Rake # Simple Sprockets compilation Rake task macro. # # Rake::SprocketsTask.new do |t| # t.environment = Sprockets::Environment.new # t.output = "./public/assets" # t.assets = %w( application.js application.css ) # end # class SprocketsTask < Rake::TaskLib # Name of the task. Defaults to "assets". # # The name will also be used to suffix the clean and clobber # tasks, "clean_assets" and "clobber_assets". attr_accessor :name # `Environment` instance used for finding assets. # # You'll most likely want to reassign `environment` to your own. # # Rake::SprocketsTask.new do |t| # t.environment = Foo::Assets # end # def environment if !@environment.is_a?(Sprockets::Base) && @environment.respond_to?(:call) @environment = @environment.call else @environment end end attr_writer :environment # Returns cached cached environment def cached @cached ||= environment.cached if environment end alias_method :index, :cached # `Manifest` instance used for already compiled assets. # # Will be created by default if an environment and output # directory are given def manifest if !@manifest.is_a?(Sprockets::Manifest) && @manifest.respond_to?(:call) @manifest = @manifest.call else @manifest end end attr_writer :manifest # Directory to write compiled assets too. As well as the manifest file. # # t.output = "./public/assets" # attr_accessor :output # Array of asset logical paths to compile. # # t.assets = %w( application.js jquery.js application.css ) # attr_accessor :assets # Number of old assets to keep. attr_accessor :keep # Logger to use during rake tasks. Defaults to using stderr. # # t.logger = Logger.new($stdout) # attr_accessor :logger # Returns logger level Integer. def log_level @logger.level end # Set logger level with constant or symbol. # # t.log_level = Logger::INFO # t.log_level = :debug # def log_level=(level) if level.is_a?(Integer) @logger.level = level else @logger.level = Logger.const_get(level.to_s.upcase) end end def initialize(name = :assets) @name = name @environment = lambda { Sprockets::Environment.new(Dir.pwd) } @manifest = lambda { Sprockets::Manifest.new(cached, output) } @logger = Logger.new($stderr) @logger.level = Logger::INFO @keep = 2 yield self if block_given? define end # Define tasks def define desc name == :assets ? "Compile assets" : "Compile #{name} assets" task name do with_logger do manifest.compile(assets) end end desc name == :assets ? "Remove all assets" : "Remove all #{name} assets" task "clobber_#{name}" do with_logger do manifest.clobber end end task :clobber => ["clobber_#{name}"] desc name == :assets ? "Clean old assets" : "Clean old #{name} assets" task "clean_#{name}" do with_logger do manifest.clean(keep) end end task :clean => ["clean_#{name}"] end private # Sub out environment logger with our rake task logger that # writes to stderr. def with_logger if env = manifest.environment old_logger = env.logger env.logger = @logger end yield ensure env.logger = old_logger if env end end end