lib/rollbar/middleware/js.rb in rollbar-2.25.1 vs lib/rollbar/middleware/js.rb in rollbar-2.26.0

@@ -78,11 +78,14 @@
 
       def build_response(env, app_result, response_string)
         return app_result unless response_string
 
         env[JS_IS_INJECTED_KEY] = true
-        response = ::Rack::Response.new(response_string, app_result[0],
-                                        app_result[1])
+
+        status, headers, = app_result
+        headers['Content-Length'] = response_string.bytesize.to_s if headers.key?('Content-Length')
+
+        response = ::Rack::Response.new(response_string, status, headers)
 
         finished = response.finish
 
         # Rack < 2.x Response#finish returns self in array[2]. Rack >= 2.x returns self.body.
         # Always return with the response object here regardless of rack version.