Rubocop formatting

lib/ferrum/page.rb

@@ -454,7 +454,7 @@ def subscribe
         end
       end
 
-      on(:screencastFrame) do |params, index, total|
+      on(:screencastFrame) do |params, _index, _total|
         @screencaster.add_frame(params)
         warn "DEBUG: frame added in page.rb"
       end

lib/ferrum/page/screencast.rb

@@ -1,12 +1,13 @@
 # frozen_string_literal: true
+
 require "ferrum/screencaster"
 
 module Ferrum
   class Page
     module Screencast
       attr_reader :screencaster
 
-      def start_screencast #(options)
+      def start_screencast
         @screencaster.start_screencast
       end
 

lib/ferrum/screencaster.rb

@@ -2,25 +2,25 @@
 
 module Ferrum
   class Screencaster
-      def initialize(page)
-        @page = page
-      end
+    def initialize(page)
+      @page = page
+    end
 
-      def add_frame(params)
-        warn 'frame'
-        @page.command("Page.screencastFrameAck", sessionId: params["sessionId"])
+    def add_frame(params)
+      warn "frame"
+      @page.command("Page.screencastFrameAck", sessionId: params["sessionId"])
 
-        ts = (Time.now.to_f * 1000).to_i
-        File.binwrite("img_#{ts}.jpeg", Base64.decode64(params["data"]))
-      end
+      ts = (Time.now.to_f * 1000).to_i
+      File.binwrite("img_#{ts}.jpeg", Base64.decode64(params["data"]))
+    end
 
-      def start_screencast
-        @page.command("Page.startScreencast", format: "jpeg")
-      end
+    def start_screencast
+      @page.command("Page.startScreencast", format: "jpeg")
+    end
 
-      def stop_screencast
-        warn 'stopped'
-        @page.command("Page.stopScreencast")
-      end
+    def stop_screencast
+      warn "stopped"
+      @page.command("Page.stopScreencast")
+    end
   end
 end