Class: Sprockets::YUICompressor

Inherits:
Object
  • Object
show all
Defined in:
lib/sprockets/yui_compressor.rb

Overview

Public: YUI compressor.

To accept the default options

environment.register_bundle_processor 'application/javascript',
  Sprockets::YUICompressor

Or to pass options to the YUI::JavaScriptCompressor class.

environment.register_bundle_processor 'application/javascript',
  Sprockets::YUICompressor.new(munge: true)

Constant Summary collapse

VERSION = 
'1'

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ YUICompressor

Returns a new instance of YUICompressor.



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# File 'lib/sprockets/yui_compressor.rb', line 36

def initialize(options = {})
  @options = options
  @cache_key = [
    self.class.name,
    Autoload::YUI::Compressor::VERSION,
    VERSION,
    options
  ].freeze
end

Instance Attribute Details

#cache_key ⇒ Object (readonly)

Returns the value of attribute cache_key.



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# File 'lib/sprockets/yui_compressor.rb', line 34

def cache_key
  @cache_key
end

Class Method Details

.cache_key ⇒ Object 



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# File 'lib/sprockets/yui_compressor.rb', line 30

def self.cache_key
  instance.cache_key
end

.call(input) ⇒ Object 



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# File 'lib/sprockets/yui_compressor.rb', line 26

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

.instance ⇒ Object

Public: Return singleton instance with default options.

Returns YUICompressor object.



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# File 'lib/sprockets/yui_compressor.rb', line 22

def self.instance
  @instance ||= new
end

Instance Method Details

#call(input) ⇒ Object 



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# File 'lib/sprockets/yui_compressor.rb', line 46

def call(input)
  data = input[:data]

  case input[:content_type]
  when 'application/javascript'
    key = @cache_key + [input[:content_type], input[:data]]
    input[:cache].fetch(key) do
      Autoload::YUI::JavaScriptCompressor.new(@options).compress(data)
    end
  when 'text/css'
    key = @cache_key + [input[:content_type], input[:data]]
    input[:cache].fetch(key) do
      Autoload::YUI::CssCompressor.new(@options).compress(data)
    end
  else
    data
  end
end