Class: CustomTag::Middleware

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

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/custom_tag/middleware.rb', line 3

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/custom_tag/middleware.rb', line 7

def call(env)
  code, headers, response = @app.call(env)

  unless headers["Content-Type"]&.include?("text/html")
    return [code, headers, response]
  end

  response_body = if response.respond_to?(:body)
    response.body
  else
    response[0]
  end

  response_body = CustomTag.parse_and_replace(response_body)

  headers["Content-Length"] = response_body.bytesize.to_s
  [code, headers, [response_body]]
end