Guardfile

# Rig up livereload for frontend stuff
guard 'livereload', apply_js_live: false, apply_css_live: true  do
  # Do full reloads for everything except CSS
  watch(%r{.+\.(js|coffee|erb)$})
  
  # Do full reloads when we modify the bom.json file with
  # our Javascripts listed in loading order
  watch(%r{.+\/bom\.json$})
  
  # Using live compilation has it's downsides.
  #
  # LiveReload in rack-livereload will only do CSS injection
  # if the "path" parameter passed to it has the ".css" raw extension.
  # Therefore we have to hint LiveReload that once a .scss is modified
  # he has to notify of changes on the related ".css" file.
  watch(%r{.+\.(s?css)$}) do | m |
    m[0].gsub(/\.scss$/, '.css') # Make the browser reload with the CSS URL instead
  end
end