Update standard rescued variable names

lib/capybara/node/actions.rb

@@ -300,7 +300,7 @@ module Capybara
         synchronize(Capybara::Queries::BaseQuery.wait(options, session_options.default_max_wait_time)) do
           begin
             find(:select, from, options)
-          rescue Capybara::ElementNotFound => select_error
+          rescue Capybara::ElementNotFound => select_error # rubocop:disable Naming/RescuedExceptionsVariableName
             raise if %i[selected with_selected multiple].any? { |option| options.key?(option) }
 
             begin
@@ -356,14 +356,14 @@ module Capybara
           begin
             el = find(selector, locator, options)
             el.set(checked)
-          rescue StandardError => err
+          rescue StandardError => e
-            raise unless allow_label_click && catch_error?(err)
+            raise unless allow_label_click && catch_error?(e)
 
             begin
               el ||= find(selector, locator, options.merge(visible: :all))
               el.session.find(:label, for: el, visible: true).click unless el.checked? == checked
             rescue StandardError # swallow extra errors - raise original
-              raise err
+              raise e
             end
           end
         end

lib/capybara/node/base.rb

@@ -81,19 +81,19 @@ module Capybara
         timer = Capybara::Helpers.timer(expire_in: seconds)
         begin
           yield
-        rescue StandardError => err
+        rescue StandardError => e
           session.raise_server_error!
-          raise err unless catch_error?(err, errors)
+          raise e unless catch_error?(e, errors)
 
           if driver.wait?
-            raise err if timer.expired?
+            raise e if timer.expired?
 
             sleep(0.01)
             reload if session_options.automatic_reload
           else
             old_base = @base
             reload if session_options.automatic_reload
-            raise err if old_base == @base
+            raise e if old_base == @base
           end
           retry
         ensure

lib/capybara/node/element.rb

@@ -87,11 +87,11 @@ module Capybara
 
         begin
           synchronize { base.style(styles) }
-        rescue NotImplementedError => err
+        rescue NotImplementedError => e
           begin
             evaluate_script(STYLE_SCRIPT, *styles)
           rescue Capybara::NotSupportedByDriverError
-            raise err
+            raise e
           end
         end
       end
@@ -469,8 +469,8 @@ module Capybara
           begin
             reloaded = query_scope.reload.first(@query.name, @query.locator, @query.options)
             @base = reloaded.base if reloaded
-          rescue StandardError => err
+          rescue StandardError => e
-            raise err unless catch_error?(err)
+            raise e unless catch_error?(e)
           end
         end
         self

lib/capybara/queries/selector_query.rb

@@ -83,7 +83,7 @@ module Capybara
           matches_system_filters?(node) &&
           matches_node_filters?(node, node_filter_errors) &&
           matches_filter_block?(node)
-      rescue *(node.respond_to?(:session) ? node.session.driver.invalid_element_errors : [])
+      rescue *(node.respond_to?(:session) ? node.session.driver.invalid_element_errors : []) # rubocop:disable Naming/RescuedExceptionsVariableName
         false
       end
 

lib/capybara/rspec/matchers/base.rb

@@ -41,8 +41,8 @@ module Capybara
       class WrappedElementMatcher < Base
         def matches?(actual)
           element_matches?(wrap(actual))
-        rescue Capybara::ExpectationNotMet => err
+        rescue Capybara::ExpectationNotMet => e
-          @failure_message = err.message
+          @failure_message = e.message
           false
         end
 

lib/capybara/selenium/driver.rb

@@ -17,8 +17,8 @@ class Capybara::Selenium::Driver < Capybara::Driver::Base
   def self.load_selenium
     require 'selenium-webdriver'
     warn "Warning: You're using an unsupported version of selenium-webdriver, please upgrade." if Gem.loaded_specs['selenium-webdriver'].version < Gem::Version.new('3.5.0')
-  rescue LoadError => err
+  rescue LoadError => e
-    raise err if err.message !~ /selenium-webdriver/
+    raise e unless e.message.match?(/selenium-webdriver/)
 
     raise LoadError, "Capybara's selenium driver is unable to load `selenium-webdriver`, please install the gem and add `gem 'selenium-webdriver'` to your Gemfile if you are using bundler."
   end

lib/capybara/selenium/driver_specializations/chrome_driver.rb

@@ -7,8 +7,8 @@ module Capybara::Selenium::Driver::ChromeDriver
     within_given_window(handle) do
       begin
         super
-      rescue NoMethodError => err
+      rescue NoMethodError => e
-        raise unless err.message =~ /full_screen_window/
+        raise unless e.message =~ /full_screen_window/
 
         result = bridge.http.call(:post, "session/#{bridge.session_id}/window/fullscreen", {})
         result['value']

lib/capybara/selenium/node.rb

@@ -97,13 +97,13 @@ class Capybara::Selenium::Node < Capybara::Driver::Node
     return native.click if click_options.empty?
 
     click_with_options(click_options)
-  rescue StandardError => err
+  rescue StandardError => e
-    if err.is_a?(::Selenium::WebDriver::Error::ElementClickInterceptedError) ||
+    if e.is_a?(::Selenium::WebDriver::Error::ElementClickInterceptedError) ||
-       err.message =~ /Other element would receive the click/
+       e.message.match?(/Other element would receive the click/)
       scroll_to_center
     end
 
-    raise err
+    raise e
   end
 
   def right_click(keys = [], **options)

lib/capybara/selenium/nodes/chrome_node.rb

@@ -14,8 +14,8 @@ class Capybara::Selenium::ChromeNode < Capybara::Selenium::Node
 
   def set_file(value) # rubocop:disable Naming/AccessorMethodName
     super(value)
-  rescue ::Selenium::WebDriver::Error::ExpectedError => err
+  rescue ::Selenium::WebDriver::Error::ExpectedError => e
-    raise ArgumentError, "Selenium < 3.14 with remote Chrome doesn't support multiple file upload" if err.message.match?(/File not found : .+\n.+/m)
+    raise ArgumentError, "Selenium < 3.14 with remote Chrome doesn't support multiple file upload" if e.message.match?(/File not found : .+\n.+/m)
 
     raise
   end

lib/capybara/server/checker.rb

@@ -12,7 +12,7 @@ module Capybara
 
       def request(&block)
         ssl? ? https_request(&block) : http_request(&block)
-      rescue *TRY_HTTPS_ERRORS
+      rescue *TRY_HTTPS_ERRORS # rubocop:disable Naming/RescuedExceptionsVariableName
         res = https_request(&block)
         @ssl = true
         res

lib/capybara/server/middleware.rb

@@ -46,9 +46,9 @@ module Capybara
           @counter.increment
           begin
             @extended_app.call(env)
-          rescue *@server_errors => err
+          rescue *@server_errors => e
-            @error ||= err
+            @error ||= e
-            raise err
+            raise e
           ensure
             @counter.decrement
           end

lib/capybara/window.rb

@@ -49,7 +49,7 @@ module Capybara
     # @return [Boolean] whether this window is the window in which commands are being executed
     def current?
       @driver.current_window_handle == @handle
-    rescue @driver.no_such_window_error
+    rescue @driver.no_such_window_error # rubocop:disable Naming/RescuedExceptionsVariableName
       false
     end