Class: Puppeteer::EventCallbackable::EventListeners

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/puppeteer/event_callbackable.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ EventListeners

Returns a new instance of EventListeners.



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# File 'lib/puppeteer/event_callbackable.rb', line 7

def initialize
  @listeners = {}
end

Instance Method Details

#add(&block) ⇒ String

Returns Listener ID.

Returns:

  • (String) —

    Listener ID



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# File 'lib/puppeteer/event_callbackable.rb', line 12

def add(&block)
  id = SecureRandom.hex(8)
  @listeners[id] = block
  id
end

#delete(id) ⇒ Object

Parameters:

  • id (String) —

    Listener ID returned on #add



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# File 'lib/puppeteer/event_callbackable.rb', line 19

def delete(id)
  @listeners.delete(id)
end

#delete_by_handler(handler) ⇒ Object

Parameters:

  • handler (Proc) —

    Listener proc



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# File 'lib/puppeteer/event_callbackable.rb', line 24

def delete_by_handler(handler)
  id, = @listeners.find { |_, listener| listener == handler }
  @listeners.delete(id) if id
end

#each(&block) ⇒ Object 



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# File 'lib/puppeteer/event_callbackable.rb', line 30

def each(&block)
  @listeners.values.each(&block)
end