Rules

#!/usr/bin/env ruby

require 'ruby-xxhash'

preprocess do
  hide_items_from_sitemap
end

compile '/**/*.{html,md}' do
  filter :erb
  filter :kramdown, auto_ids: false if item.identifier =~ '/**/*.md'
  filter :colorize_syntax, :default_colorizer => :rouge
  layout '/default.*'
  # enhance quotes and such
  filter :typogruby
  # pretty-print, find errors
  filter :tidy if @config[:prod]
end

compile '/{css/*.scss,js/*.js}' do
  ext = "." + item.identifier.ext
  if ext == '.scss'
    filter :sass, {
      :syntax => :scss,
      :style => (@config[:prod] ? :compressed : :compact)
    }
    ext = ".css"
  end

  # compress and use a hash to avoid caching issues
  if @config[:prod]
    filter :yui_compressor, :type => :js if ext == ".js"
    checksum = XXhash.xxh32(File.read(item[:filename]), 0xEA51)
    write item.identifier.without_ext + '-' + checksum.to_s + ".min" + ext
  else
    write item.identifier.without_ext + ext
  end
end
ignore '/css/**/*'

compile '/sitemap.xml' do
  filter :erb
  write '/sitemap.xml'
end

compile '/htaccess.txt' do
  write '/.htaccess'
end

route '/**/*.{html,md}' do
  # homepage
  if item.identifier =~ '/index.*'
    '/index.html'
  # error page
  elsif item.identifier =~ '/404.*'
    '/404.html'
  # section home
  elsif item.identifier =~ '**/index.*'
    item.identifier.without_ext + ".html"
  # every other page
  else
    item.identifier.without_ext + '/index.html'
  end
end

passthrough '/**/*'

layout '/**/*.slim', :slim, {
  pretty: (@config[:prod] ? false : true),
  sort_attrs: false
}
layout '/**/*.html', :erb