class SimpleAnalyticsRails::Middleware::JavascriptInjection
This receives the request payload and injects the JavaScript snippet to the HTML. It's injected just before the </head> element.
Public Class Methods
new(app)
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# File lib/simple_analytics_rails/middleware/javascript_injection.rb, line 5 def initialize(app) @app = app end
Public Instance Methods
call(env)
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# File lib/simple_analytics_rails/middleware/javascript_injection.rb, line 9 def call(env) status, headers, response = @app.call(env) if headers && headers["Content-Type"]&.include?("text/html") response = inject_javascript_to_response(response) end [status, headers, response] end
Private Instance Methods
inject_javascript_to_response(response)
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# File lib/simple_analytics_rails/middleware/javascript_injection.rb, line 21 def inject_javascript_to_response(response) if SimpleAnalyticsRails.configuration.enabled? && response.respond_to?("[]") response[0].gsub!("</head>", "#{javascript_script.head_html}</head>") response[0].gsub!("</body>", "#{javascript_script.body_html}</body>") end response end
javascript_script()
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# File lib/simple_analytics_rails/middleware/javascript_injection.rb, line 30 def javascript_script @javascript_script ||= SimpleAnalyticsRails::JavascriptScript.new end