Class: Guard::Sprockets

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Sprockets

Returns a new instance of Sprockets.



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# File 'lib/guard/sprockets.rb', line 12

def initialize(options = {})
  super

  @options     = options
  @asset_paths = Array(@options[:asset_paths] || 'app/assets/javascripts')
  @destination = @options[:destination] || 'public/javascripts'
  @root_file   = Array(@options[:root_file])
  @keep_paths  = @options[:keep_paths] || false

  @sprockets = ::Sprockets::Environment.new
  @asset_paths.each { |p| @sprockets.append_path(p) }
  @root_file.each { |f| @sprockets.append_path(Pathname.new(f).dirname) }

  if @options.delete(:minify)
    begin
      require 'uglifier'
      @sprockets.js_compressor = ::Uglifier.new
      UI.info 'Sprockets will compress JavaScript output.'
    rescue LoadError => ex
      UI.error "minify: Uglifier cannot be loaded. No JavaScript compression will be used.\nPlease include 'uglifier' in your Gemfile."
      UI.debug ex.message
    end        
  end
  
  if @options.delete(:css_minify)
    begin
      require 'yui/compressor'
      @sprockets.css_compressor = YUI::CssCompressor.new
      UI.info 'Sprockets will compress CSS output.'
    rescue LoadError => ex
      UI.error "minify: yui-compressor cannot be loaded. No CSS compression will be used.\nPlease include 'yui-compressor' in your Gemfile."
      UI.debug ex.message
    end      
  end
          
end

Instance Attribute Details

#asset_paths ⇒ Object (readonly)

Returns the value of attribute asset_paths.



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# File 'lib/guard/sprockets.rb', line 10

def asset_paths
  @asset_paths
end

#destination ⇒ Object (readonly)

Returns the value of attribute destination.



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# File 'lib/guard/sprockets.rb', line 10

def destination
  @destination
end

#root_file ⇒ Object (readonly)

Returns the value of attribute root_file.



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# File 'lib/guard/sprockets.rb', line 10

def root_file
  @root_file
end

#sprockets ⇒ Object (readonly)

Returns the value of attribute sprockets.



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# File 'lib/guard/sprockets.rb', line 10

def sprockets
  @sprockets
end

Instance Method Details

#run_all ⇒ Object 



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# File 'lib/guard/sprockets.rb', line 57

def run_all
  run_on_changes([])
end

#run_on_changes(paths) ⇒ Object 



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# File 'lib/guard/sprockets.rb', line 61

def run_on_changes(paths)
  paths = @root_file unless @root_file.empty?

  success = true
  paths.each do |file|
    success &= sprocketize(file)
  end
  success
end

#start ⇒ Object 



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# File 'lib/guard/sprockets.rb', line 49

def start
   UI.info 'Guard::Sprockets is ready and waiting for some file changes...'
   UI.debug "Guard::Sprockets.asset_paths = #{@asset_paths.inspect}" unless @asset_paths.empty?
   UI.debug "Guard::Sprockets.destination = #{@destination.inspect}"

   run_all
end