Module: TerminalLayout::EventEmitter

Included in:
Box, RenderObject, Renderer
Defined in:
lib/terminal_layout/event_emitter.rb

Instance Method Summary collapse

Instance Method Details

#_callbacks ⇒ Object 



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# File 'lib/terminal_layout/event_emitter.rb', line 3

def _callbacks
  @_callbacks ||= Hash.new { |h, k| h[k] = [] }
end

#emit(type, *args) ⇒ Object 



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# File 'lib/terminal_layout/event_emitter.rb', line 16

def emit(type, *args)
  _callbacks[type].each do |blk|
    blk.call(*args)
  end
end

#on(type, *args, &blk) ⇒ Object 



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

def on(type, *args, &blk)
  _callbacks[type] << blk
  self
end

#unsubscribe ⇒ Object 



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# File 'lib/terminal_layout/event_emitter.rb', line 12

def unsubscribe
  _callbacks.clear
end