Class: Raygun::Middleware::JavascriptExceptionTracking

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

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ JavascriptExceptionTracking

Returns a new instance of JavascriptExceptionTracking.



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# File 'lib/raygun/middleware/javascript_exception_tracking.rb', line 3

def initialize(app)
  @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/raygun/middleware/javascript_exception_tracking.rb', line 7

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

  # It's a html file, inject our JS
  if headers['Content-Type'] && headers['Content-Type'].include?('text/html')
    response = inject_javascript_to_response(response)
  end

  [status, headers, response]
end

#inject_javascript_to_response(response) ⇒ Object 



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# File 'lib/raygun/middleware/javascript_exception_tracking.rb', line 18

def inject_javascript_to_response(response)
  if Raygun.configuration.js_api_key.present?
    if response.respond_to?('[]')
      response[0].gsub!('</head>', "#{js_tracker.head_html}</head>")
      response[0].gsub!('</body>', "#{js_tracker.body_html}</body>")
    end

    if response.respond_to?(:body) # Rack::BodyProxy
      body = response.body
      body.gsub!('</head>', "#{js_tracker.head_html}</head>")
      body.gsub!('</body>', "#{js_tracker.body_html}</body>")
    end
  end

  response
end