config.rb

require 'html-proofer'

# Activate and configure extensions
# https://middlemanapp.com/advanced/configuration/#configuring-extensions

activate :autoprefixer do |prefix|
  prefix.browsers = "last 2 versions"
end

# Layouts
# https://middlemanapp.com/basics/layouts/

# Per-page layout changes
page '/*.xml', layout: false
page '/*.json', layout: false
page '/*.txt', layout: false

# With alternative layout
# page '/path/to/file.html', layout: 'other_layout'

# Proxy pages
# https://middlemanapp.com/advanced/dynamic-pages/

# proxy(
#   '/this-page-has-no-template.html',
#   '/template-file.html',
#   locals: {
#     which_fake_page: 'Rendering a fake page with a local variable'
#   },
# )

set :external_asset_dir, '.tmp/dist'

# from https://github.com/acoustep/middleman-brunch/blob/master/template/config.rb
activate :external_pipeline,
  name: :brunch,
  command: build? ? './node_modules/brunch/bin/brunch build --production --env production' : './node_modules/brunch/bin/brunch watch --stdin',
  source: config[:external_asset_dir],
  latency: 1

activate :external_pipeline,
  name: :rake,
  command: build? ? "OUTPUT_DIR='#{config[:external_asset_dir]}' bundle exec rake convert_tunes" : 'bundle exec guard -P rake',
  source: config[:external_asset_dir],
  latency: 1

# Helpers
# Methods defined in the helpers block are available in templates
# https://middlemanapp.com/basics/helper-methods/

# helpers do
#   def some_helper
#     'Helping'
#   end
# end

require 'helpers/music_xml_helpers'
helpers MusicXmlHelpers

# Build-specific configuration
# https://middlemanapp.com/advanced/configuration/#environment-specific-settings

# configure :build do
#   activate :minify_css
#   activate :minify_javascript
# end

set :haml, format: :html5
set :sass_assets_paths, ['node_modules']

after_build do
  HTMLProofer.check_directory(config[:build_dir], check_html: true).run
end