Default compass config file

readme.md

Including:

• Autoprefixer
• Breakpoint (for media queries)
• Scut mixin library
• Sass Media Query Combiner (a must have if you're working with lots of inline media queries)
• Compresses generated sprites

config.rb

require 'autoprefixer-rails'
require 'breakpoint'
require 'scut'
require 'sass-media_query_combiner'

http_path = "/"

sass_dir = "sass"
css_dir = "public/css"
http_stylesheets_path = "/css"

images_dir = "public/images"
http_images_path = "/images"
http_generated_images_path = "/images"

javascripts_dir = "public/js"
http_javascripts_path = "/js"

fonts_dir = "public/fonts"
http_fonts_path = "/fonts"

output_style = (environment == :production) ? :compressed : :expanded # for live: compass compile -e production --force

color_output = false

# -------------------- Autoprefix
on_stylesheet_saved do |file|
  css = File.read(file)
  File.open(file, 'w') do |io|
    io << AutoprefixerRails.process(css)
  end
end



# -------------------- Compress sprites
# callback - on_sprite_saved
# http://compass-style.org/help/tutorials/configuration-reference/
on_sprite_saved do |filename|  
  if File.exists?(filename)
    # if (environment == :production)
      # Post process sprite image
      postprocesspng(filename)
    # end
  end
end

# fn - Post processing for pngs
# http://compass-style.org/help/tutorials/configuration-reference/
# http://pngquant.org/
# http://advsys.net/ken/utils.htm & http://nicj.net/2012/05/15/pngoutbatch
# http://optipng.sourceforge.net/
def postprocesspng(filename)
  print "**********************\r\n"
  print "Compressing sprites...\r\n"
  print "**********************\r\n"
  if File.exists?(filename)
    sleep 1
    optimize(filename, "pngquant --iebug --force --ext .png 256")
    optimize(filename, "pngout -c3 -b0 -v")
    optimize(filename, "optipng -o7 -verbose")
  end
end

# fn - Run optimize command line for a specified script
# https://gist.github.com/2403117
def optimize(filename, script)
  if File.exists?(filename)
    sleep 1
    print "\r\n** Running: " + script + " " + Shellwords.escape(filename) + "\r\n\r\n"
    system script + " " + Shellwords.escape(filename)
  end
end