Class: Hotwire::Livereload::Middleware

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

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/hotwire/livereload/middleware.rb', line 4

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/hotwire/livereload/middleware.rb', line 8

def call(env)
  request = ActionDispatch::Request.new(env)
  status, headers, response = @app.call(env)

  if html_response?(headers)
    body = get_response_body(response)
    if body&.include?("</head>")
      body = inject_livereload_scripts(body, request)
      headers["Content-Length"] = body.bytesize.to_s
      response = [body]
    end
  end

  [status, headers, response]
end