Class: Fangorn::App

Inherits:
Object
  • Object
show all
Defined in:
lib/fangorn/app.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ App

Returns a new instance of App.



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# File 'lib/fangorn/app.rb', line 9

def initialize
  @port = 8080
end

Instance Method Details

#of_type(type) ⇒ Object 



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# File 'lib/fangorn/app.rb', line 100

def of_type(type)
  ->(f) { File.extname(f) == type }
end

#ordered(files) ⇒ Object 



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# File 'lib/fangorn/app.rb', line 104

def ordered(files)
  files = files.sort_by(&:length)

  sass = files.select &of_type('.sass')
  js = files.select &of_type('.js')
  haml = files.select &of_type('.haml')

  (sass + js + haml + files).uniq
end

#report(type, input, output) ⇒ Object 



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# File 'lib/fangorn/app.rb', line 59

def report(type, input, output)
  puts <<-eos
  #{File.extname(output.to_s).upcase} #{type} @ #{Time.now.strftime("%F %T")}:
  - from: #{input}
  - to: #{output}
  eos
end

#run ⇒ Object 



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# File 'lib/fangorn/app.rb', line 12

def run
  options = OptionParser.new do |opts|
    opts.on('-s', '--serve', 'Watch source files for change, and serve compiled results') do
      @serve = true
    end
    opts.on('-Jsrc=dest', 'Add javascript vendor directory') do |arg|
      if m = /^(.*?)\/?=(.*?)\/?$/.match(arg)
        Haml::SCRIPT_SOURCES[m[1]] = m[2]
      end
    end
    opts.on('-d', '--dist', 'Compile a distribution package') do
      Output::dist!
    end
    opts.on('-D', '--dest=DIR', 'dest dir') do |dir|
      Output::dest = dir
    end
    opts.on('-e', '--env=ENV', 'Use environment name with fangorn.yml settings') do |env|
      Output::env = env
    end
    opts.on('-p', '--port=PORT', /^\d+$/, 'Serve on port [8080]') do |port|
      @port = port.to_i
    end
  end

  begin
    options.parse! ARGV
  rescue OptionParser::ParseError => e
    STDERR.puts e
    puts options
    exit 1
  end

  if @serve
    puts "Watching #{Output::source}"
    listener = Listen.to(Output::source, :filter => /\.(haml|sass|js|ico|jpg|png|ttf)$/, &update)
    listener.start

    puts "Starting server on port #{@port}"
    server = WEBrick::HTTPServer.new Port: @port
    server.mount '/', NoCacheFileHandler, Output::dest
    trap('INT') { server.stop }
    server.start
  else
    puts "Updating #{Output::source}"
    update[Dir[File.join(Output::source, '**/*.{haml,sass,js,ico,jpg,png,ttf}')], [], []]
  end
end

#update ⇒ Object 



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# File 'lib/fangorn/app.rb', line 67

def update
  ->(modified, added, removed) do
    unless added.select {|m| m =~ /\.(js|sass)$/}.empty?
      modified += Dir[File.join(Output::source, '**/*.haml')]
    end

    mixins, modified = modified.partition {|m| File.basename(m) =~ /^_.+.sass$/}
    puts "MIXINS #{mixins}"
    unless mixins.empty?
      modified += Dir[File.join(Output::source, '**/[^_]*.sass')]
    end

    ordered(modified + added).each do |input|
      if output = Output.make(input)
        begin
          output.create!
          report 'generated', input, output
        rescue => e
          puts e
        end
      end
    end

    ordered(removed).each do |input|
      if output = Output.make(input)
        output.remove!
        report 'removed', input, output
      end
    end
  end
end