Class: Proc

Inherits:
Object
  • Object
show all
Defined in:
lib/proc/throttle.rb

Instance Method Summary collapse

Instance Method Details

#debounce(delay_sec) ⇒ Object 



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# File 'lib/proc/throttle.rb', line 26

def debounce(delay_sec)
  throttle(delay_sec, true)
end

#throttle(delay_sec, debounce = false) ⇒ Object 



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# File 'lib/proc/throttle.rb', line 2

def throttle(delay_sec, debounce = false)
  thread = nil
  last_exec = nil

  Proc.new do |*args|
    now = Time.now.to_f

    if thread && thread.alive?
      thread.kill
    end

    if !debounce && (last_exec.nil? || (last_exec + delay_sec < now))
      self.call(*args)
      last_exec = now
    else
      thread = Thread.new do
        sleep(delay_sec)
        self.call(*args)
        last_exec = Time.now.to_f
      end
    end
  end
end