JezK

Edit File: uglifier_compressor.rb

require 'sprockets/autoload'
require 'sprockets/digest_utils'

module Sprockets
  # Public: Uglifier/Uglify compressor.
  #
  # To accept the default options
  #
  #     environment.register_bundle_processor 'application/javascript',
  #       Sprockets::UglifierCompressor
  #
  # Or to pass options to the Uglifier class.
  #
  #     environment.register_bundle_processor 'application/javascript',
  #       Sprockets::UglifierCompressor.new(comments: :copyright)
  #
  class UglifierCompressor
    VERSION = '1'

# Public: Return singleton instance with default options.
    #
    # Returns UglifierCompressor object.
    def self.instance
      @instance ||= new
    end

def self.call(input)
      instance.call(input)
    end

def self.cache_key
      instance.cache_key
    end

attr_reader :cache_key

def initialize(options = {})
      # Feature detect Uglifier 2.0 option support
      if Autoload::Uglifier::DEFAULTS[:copyright]
        # Uglifier < 2.x
        options[:copyright] ||= false
      else
        # Uglifier >= 2.x
        options[:comments] ||= :none
      end

@options = options
      @cache_key = "#{self.class.name}:#{Autoload::Uglifier::VERSION}:#{VERSION}:#{DigestUtils.digest(options)}".freeze
    end

def call(input)
      @uglifier ||= Autoload::Uglifier.new(@options)
      @uglifier.compile(input[:data])
    end
  end
end

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