Class: Volt::ComponentHandler

Inherits:
Object
  • Object
show all
Defined in:
lib/volt/server/component_handler.rb

Instance Method Summary collapse

Constructor Details

#initialize(component_paths) ⇒ ComponentHandler

Returns a new instance of ComponentHandler.



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# File 'lib/volt/server/component_handler.rb', line 7

def initialize(component_paths)
  @component_paths = component_paths
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/volt/server/component_handler.rb', line 11

def call(env)
  req            = Rack::Request.new(env)

  path = req.path.strip

  request_source_map = (File.extname(path) == '.map')

  # TODO: Sanatize template path
  component_name = path.gsub(/^\/components\//, '').gsub(/[.](js|map)$/, '')

  javascript_code = compile_for_component(component_name, true, request_source_map)

  [200, { 'Content-Type' => 'application/javascript; charset=utf-8' }, StringIO.new(javascript_code)]
end

#compile_for_component(component_name, for_client, map = false) ⇒ Object 



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# File 'lib/volt/server/component_handler.rb', line 26

def compile_for_component(component_name, for_client, map=false)
  code = ComponentCode.new(component_name, @component_paths, for_client).code

  # Compile the code
  # javascript_code = Opal.compile(code)
  builder = Opal::Builder.new.build_str(code, 'app.rb')

  if map
    js_code = builder.source_map
  else
    js_code = builder.to_s + "\n//# sourceMappingURL=#{component_name}.map"
  end

  js_code
end