def precache_all(output_dir=nil, base_url=nil)
output_dir ||= File.join(Jammit.public_root, Jammit.package_path)
cacheable(:js, output_dir).each {|p| cache(p, 'js', pack_javascripts(p), output_dir) }
cacheable(:css, output_dir).each do |p|
cache(p, 'css', pack_stylesheets(p), output_dir)
if Jammit.embed_assets
cache(p, 'css', pack_stylesheets(p, :datauri), output_dir, :datauri)
if Jammit.mhtml_enabled
raise MissingConfiguration, "A --base-url option is required in order to generate MHTML." unless base_url
mtime = latest_mtime package_for(p, :css)[:paths]
asset_url = "#{base_url}#{Jammit.asset_url(p, :css, :mhtml, mtime)}"
cache(p, 'css', pack_stylesheets(p, :mhtml, asset_url), output_dir, :mhtml, mtime)
end
end
end
end