Class: Middleware

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

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/bard_staging_banner/middleware.rb', line 2

def initialize app
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/bard_staging_banner/middleware.rb', line 6

def call env
  @status, @headers, @body = @app.call(env)
  return [@status, @headers, @body] unless html?

  response = Rack::Response.new([], @status, @headers)
  @body.each do |fragment|
    response.write inject(fragment)
  end
  @body.close if @body.respond_to?(:close)

  response.finish
end