Class: ShellStrike::EventBus

Inherits:
Object
  • Object
show all
Defined in:
lib/shell_strike/event_bus.rb

Instance Method Summary collapse

Instance Method Details

#emit(event_name, *args) ⇒ Object

Raises:



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# File 'lib/shell_strike/event_bus.rb', line 9

def emit(event_name, *args)
  raise ShellStrike::InvalidEvent unless event_name.is_a?(Symbol)
  return unless listeners[event_name].respond_to? :each

  listeners[event_name].each { |e| e.call(*args) }
end

#on(event_name, &block) ⇒ Object

Raises:



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# File 'lib/shell_strike/event_bus.rb', line 2

def on(event_name, &block)
  raise ShellStrike::InvalidEvent unless event_name.is_a?(Symbol)

  listeners[event_name] ||= []
  listeners[event_name] << block
end