Class: Sprocketize::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/sprocketize/cli.rb

Constant Summary collapse

SPROCKETS_FILE = 
'.sprocksrc'

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/sprocketize/cli.rb', line 36

def initialize(*args)
  @assets = Set.new
  @local_paths = Set.new
  @global_options = load_global_options
  input = parse_input(args)
  @root = input.delete(:root)
  @save = input.delete(:save)
  @local_options = load_local_options(@root)
  @local_options = merge_options(load_local_options(@root), input)
  @local_options.freeze #to preserve exact user input
end

Instance Attribute Details

#global_options ⇒ Object

Returns the value of attribute global_options.



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# File 'lib/sprocketize/cli.rb', line 12

def global_options
  @global_options
end

#local_options ⇒ Object

Returns the value of attribute local_options.



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# File 'lib/sprocketize/cli.rb', line 12

def local_options
  @local_options
end

Instance Method Details

#compile ⇒ Object 



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# File 'lib/sprocketize/cli.rb', line 14

def compile
  env = Sprockets::Environment.new(@root)
  env.js_compressor = expand_js_compressor(@local_options[:js_compressor])
  env.css_compressor = expand_css_compressor(:yui) if @local_options[:compress_css]
  (@paths + (@global_options[:paths] || Set.new)).each {|p| env.append_path(p)}

  assets = local_options[:assets].map {|a| realpath(a).to_s}
  filter = Proc.new do |asset|
    assets.any? {|a| asset.pathname.to_s.start_with?(a)}
  end

  options = {
      :manifest => local_options[:manifest] || global_options[:manifest],
      :manifest_path => local_options[:manifest_path],
      :digest => local_options[:digest] || global_options[:digest],
      :gzip => local_options[:gzip] || global_options[:gzip]
  }

  compiler = Sprocketize::Compiler.new(env, realpath(@local_options[:target], true), [filter], options)
  compiler.compile
end

#merge_options(target, source) ⇒ Object 



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# File 'lib/sprocketize/cli.rb', line 48

def merge_options(target, source)
  {
      :target => source[:target] || target[:target],
      :paths => (target[:paths] || Set.new).merge((source[:paths] || Set.new)),
      :assets => (target[:assets] || Set.new).merge((source[:assets] || Set.new)),
      :digest => (source[:digest].nil? ? target[:digest] : source[:digest]),
      :manifest => (source[:manifest].nil? ? target[:manifest] : source[:manifest]),
      :manifest_path => (source[:manifest_path] || target[:manifest_path]),
      :gzip => (source[:gzip].nil? ? target[:gzip] : source[:gzip]),
      :js_compressor => source[:js_compressor] || target[:js_compressor],
      :compress_css => source[:compress_css].nil? ? target[:compress_css] : source[:compress_css]
  }
end

#parser ⇒ Object 



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# File 'lib/sprocketize/cli.rb', line 62

def parser
  OptionParser.new do |opts|
    opts.banner = "Usage: sprocketize [options] output_directory filename [filename ...]"

    opts.on("-a DIRECTORY", "--asset-root=DIRECTORY", "Assets root path.") do |dir|
      exit_if_non_existent(dir)
      @input[:root] = realpath(dir)
    end

    opts.on("-I DIRECTORY", "--include-dir=DIRECTORY", "Adds the directory to the Sprockets load path.") do |dir|
      exit_if_non_existent(dir)
      @input[:paths] << dir
    end

    opts.on("-d", "--digest", "Incorporates a MD5 digest into all filenames.") do
      @input[:digest] = true
    end

    opts.on("-m [DIRECTORY]", "--manifest [=DIRECTORY]", "Writes a manifest for the assets. If no directory is specified the manifest will be written to the output directory.") do |dir|
      @input[:manifest] = true
      @input[:manifest_path] = dir
    end

    opts.on("-g", "--gzip", "Also create a compressed version of all Stylesheets and Javascripts.") do |dir|
      @input[:gzip] = true
    end

    opts.on("-s", "--save", "Add given parameters to #{SPROCKETS_FILE}") do |dir|
      @input[:save] = true
    end

    opts.on("-j [COMPRESSOR]", "--compress-javascripts [=COMPRESSOR]", "Compress all Javascript using either closure, yui or uglifier. If no compiler is specified closure will be used.") do |compressor|
      @input[:js_compressor] = (compressor || 'closure').to_sym
    end

    opts.on("-c", "--compress-stylesheets", "Compress all Stylesheets with the YUI CSS compressor.") do
      @input[:compress_css] = true
    end

    opts.on_tail("-h", "--help", "Show this help message.") do
      show_usage
      exit
    end

    opts.on_tail("-v", "--version", "Show version.") do
      show_version
      exit
    end
  end
end

#puts_error(message) ⇒ Object 



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# File 'lib/sprocketize/cli.rb', line 113

def puts_error(message)
  puts "\e[31msprocketize: #{message}\e[0m"
end

#run ⇒ Object 



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# File 'lib/sprocketize/cli.rb', line 117

def run
  if @local_options[:target].to_s.length == 0
    puts_error "no output directory provided"
    show_usage
  elsif @local_options[:assets].length == 0
    puts_error "no assets provided"
    show_usage
  elsif !([:closure, :uglifier, :yui, nil].include?(@local_options[:js_compressor]))
    puts_error "unsupported javascript processor #{@local_options[:js_compressor]}"
    show_usage
  else
    @paths = Set.new
    @local_options[:assets].each do |a|
      a = realpath(a)
      @paths << (a.file? ? a.dirname : a)
    end
    @local_options[:paths].each {|p| @paths << realpath(p)}

    compile
    save_local_options if @save
  end
rescue OptionParser::InvalidOption => e
  puts_error e.message
  show_usage
rescue Sprockets::FileNotFound => e
  puts_error e.message
end

#show_usage ⇒ Object 



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# File 'lib/sprocketize/cli.rb', line 145

def show_usage
  puts parser
end

#show_version ⇒ Object 



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# File 'lib/sprocketize/cli.rb', line 149

def show_version
  puts Sprocketize::VERSION
end