Class: BrowserifySprockets::Engine

Inherits:
Object
  • Object
show all
Defined in:
lib/browserify_sprockets.rb

Class Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(pathname, &block) ⇒ Engine

Returns a new instance of Engine.



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# File 'lib/browserify_sprockets.rb', line 18

def initialize(pathname, &block)
  @pathname = pathname
end

Class Attribute Details

.node_path ⇒ Object

Returns the value of attribute node_path.



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# File 'lib/browserify_sprockets.rb', line 15

def node_path
  @node_path
end

.transforms ⇒ Object

Returns the value of attribute transforms.



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# File 'lib/browserify_sprockets.rb', line 14

def transforms
  @transforms
end

Instance Method Details

#browserify_build(pathname, data) ⇒ Object 



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# File 'lib/browserify_sprockets.rb', line 27

def browserify_build(pathname, data)
  build_script = File.expand_path("../../bin/browserify_build", __FILE__)
  base_directory = File.expand_path(pathname.dirname)

  debug = (ENV['RACK_ENV'] == "production") ? "" : "--debug"

  transforms = self.class.transforms.join(',')

  output = ""

  Open3.popen3({"NODE_PATH" => self.class.node_path}, build_script, debug, base_directory, transforms) do |stdin, stdout, stderr|
    stdin.puts data
    stdin.close

    output = stdout.gets(nil)

    unless output
      output = stderr.gets(nil)
    end

    stdout.close
    stderr.close
  end

  output
end

#render(context, locals) ⇒ Object 



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# File 'lib/browserify_sprockets.rb', line 22

def render(context, locals)
  data = File.open(context.pathname, 'rb') { |io| io.read }
  browserify_build(context.pathname, data)
end