Module: Plum::EventEmitter

Included in:
Connection, Stream
Defined in:
lib/plum/event_emitter.rb

Instance Method Summary collapse

Instance Method Details

#callback(name, *args) ⇒ Object

Invokes an event and call handlers with args.

Parameters:

  • name (Symbol) —

    The identifier of event.



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# File 'lib/plum/event_emitter.rb', line 14

def callback(name, *args)
  @callbacks&.[](name)&.each { |cb| cb.call(*args) }
end

#on(name) { ... } ⇒ Object

Registers an event handler to specified event. An event can have multiple handlers.

Parameters:

  • name (Symbol) —

    The name of event.

Yields:

  • Gives event-specific parameters.



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# File 'lib/plum/event_emitter.rb', line 7

def on(name, &blk)
  @callbacks ||= {}
  (@callbacks[name] ||= []) << blk
end