Rules

#!/usr/bin/env ruby

preprocess do
  @items.create("<%= xml_sitemap(items: content_items) %>", {}, '/sitemap.xml')
end

postprocess do
  if ENV['NANOC_ENV'] == 'prod'
    system 'node_modules/.bin/purgecss --css output/stylesheet.css --content output/**/*.html --out output'
    system 'gzip -9 --force --keep output/stylesheet.css'
  end
end

compile '/stylesheet.css' do
  filter :external, exec: 'node_modules/.bin/postcss'
  filter :rainpress if ENV['NANOC_ENV'] == 'prod'
  snapshot :plain
  filter :external, exec: 'gzip -9 --to-stdout' if ENV['NANOC_ENV'] == 'prod'
end

route '/stylesheet.css', snapshot: :plain do
  item.identifier.to_s
end

route '/stylesheet.css' do
  item.identifier + '.gz'  if ENV['NANOC_ENV'] == 'prod'
end

compile '/app.js' do
  filter :uglify_js if ENV['NANOC_ENV'] == 'prod'
end

compile '/app.js', rep: :gzip do
  filter :uglify_js if ENV['NANOC_ENV'] == 'prod'
  filter :external, exec: 'gzip -9 --to-stdout'
end

route '/app.js' do
  item.identifier.to_s
end

route '/app.js', rep: :gzip do
  item.identifier + '.gz'
end

compile '/icons/icon-192.png', rep: :ico do
  filter :export_sketch, name: item[:name]
  filter :convert, to: 'ico'
  write "/favicon.ico"
end

compile '/icons/*' do
  filter :export_sketch, name: item[:name]
  filter :pngcrush if ENV['NANOC_ENV'] == 'prod'
  write "/#{item[:name]}.png"
end

compile '/index.html' do
  layout '/default.*'
  write '/index.html'
end

compile '/404.html' do
  layout '/default.*'
  write '/404.html'
end

compile '/**/*.html' do
  layout '/default.*'
  write item.identifier.without_ext + '/index.html'
end

passthrough '/.htaccess'

compile '/*.(txt|webmanifest)' do
  write item.identifier.to_s
end

compile '/site.webmanifest' do
  filter :erb
  write item.identifier.to_s
end

compile '/browserconfig.xml' do
  filter :erb
  filter :relativize_paths, type: :xml
  write item.identifier.to_s
end

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

compile '/**/*' do
  write item.identifier.to_s
end

layout '/**/*', :erb