Class: Rack::StaticBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/rack/static-builder.rb

Defined Under Namespace

Classes: BuildError, RequestPathQueue

Constant Summary collapse

VERSION = 
'0.1.4'

Instance Method Summary collapse

Constructor Details

#initialize(opts) ⇒ StaticBuilder

Returns a new instance of StaticBuilder.

Raises:

  • (ArgumentError) 


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# File 'lib/rack/static-builder.rb', line 42

def initialize(opts)
  opts = opts.dup

  @app_dir = [opts.delete(:app_dir), 'app', '.'].compact.find{ |d| File.file?(d + '/config.ru') }
  raise ArgumentError unless @app_dir

  @app_dir = Pathname.new(@app_dir).expand_path.cleanpath
  @dest_dir = Pathname.new(opts.delete(:dest_dir) || 'dist').expand_path.cleanpath
  @app_static_dir = (@app_dir + (opts.delete(:static_dir) || 'public')).expand_path.cleanpath

  @noise_level = (opts.delete(:noise_level) || '0').to_i
  @preserve_on_error = opts.delete(:preserve_on_error)
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/rack/static-builder.rb', line 56

def build
  @dest_dir.rmtree if @dest_dir.directory?

  queue = RequestPathQueue.new

  enqueue_static_assets(queue)

  req_stats = {
    :status => Hash.new(0),
    :category => Hash.new(0),
    :succeeded => 0,
    :failed => 0,
    :total => 0
  }

  with_rack_client do |client|

    queue.drain do |req_path|
      resp = client.get req_path

      req_status = resp.status
      req_category = (req_status / 100)
      req_succeeded = (req_category == 2)

      req_stats[:status][req_status] += 1
      req_stats[:category][req_category] += 1
      req_stats[(req_succeeded ? :succeeded : :failed)] += 1
      req_stats[:total] += 1

      if @noise_level > 1 or (!req_succeeded and @noise_level > 0)
        channel = req_succeeded ? $stdout : $stderr
        channel.puts("#{req_status} #{req_path}")
      end

      next unless req_succeeded
      next unless store_response!(req_path, resp.body)

      if enqueue_links = capture_method_for(resp.content_type)
        enqueue_links.call(queue, resp.body)
      end
    end

  end

  if req_stats[:failed] > 0 and not @preserve_on_error
    @dest_dir.rmtree if @dest_dir.directory?
  end

  req_stats
end

#build! ⇒ Object

Raises:



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# File 'lib/rack/static-builder.rb', line 107

def build!
  req_stats = self.build

  raise BuildError, "#{ req_stats[:failed] } URLs requested with non-2XX responses" unless (req_stats[:failed] == 0)

  req_stats
end