click_no_wait.rb

# watir/element.rb
def click_no_wait
  assert_enabled

  highlight(:set)
  object = "#{self.class}.new(self, :unique_number, #{self.unique_number})"
  @page_container.eval_in_spawned_process(object + ".click!")
  highlight(:clear)
end

# watir/page-container.rb
def eval_in_spawned_process(command)
  command.strip!
  load_path_code = _code_that_copies_readonly_array($LOAD_PATH, '$LOAD_PATH')
  ruby_code = "require 'watir/ie'; "
  ruby_code << "pc = #{attach_command}; " # pc = page container
  ruby_code << "pc.instance_eval(#{command.inspect})"
  exec_string = "start rubyw -e #{(load_path_code + '; ' + ruby_code).inspect}"
  system(exec_string)
end

# watir/ie.rb
def _code_that_copies_readonly_array(array, name)
  "temp = Array.new(#{array.inspect}); #{name}.clear; temp.each {|element| #{name} << element}"
end

click_no_wait_debug.rb

def click_no_wait
  # ...
  system(spawned_click_no_wait_command(ruby_code))
end

def spawned_click_no_wait_command(command)
  command = "-e #{command.inspect}"
  unless $DEBUG
    "start rubyw #{command}"
  else
    puts "#click_no_wait command:"
    command = "ruby #{command}"
    puts command
    command
  end
end

click_no_wait_debug_on.rb

$DEBUG = true
browser.button(:id => "something").click_no_wait

click_no_wait_refactored.rb

def click_no_wait
  assert_exists
  assert_enabled
  highlight(:set)
  element = "#{self.class}.new(#{@page_container.attach_command}, :unique_number, #{self.unique_number})"
  ruby_code = "require 'rubygems';" <<
          "require '#{File.expand_path(File.dirname(__FILE__))}/core';" <<
          "#{element}.click!"
  system(spawned_click_no_wait_command(ruby_code))
  highlight(:clear)
end