Appease Standard

Author: rossta

lib/generators/serviceworker/install_generator.rb

@@ -61,7 +61,7 @@ def detect_js_format
           return [ext, "//="]
         end
         FileUtils.touch javascripts_dir("application.js")
-        ['.js', "//="]
+        [".js", "//="]
       end
 
       def detect_layout