Method: Hyperstack::Internal::State::Mapper.remove_current_observers_and_objects

Defined in:
lib/hyperstack/internal/state/mapper.rb

.remove_current_observers_and_objects(observer) ⇒ Object

remove_current_observers_and_objects clears the hashes between renders



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# File 'lib/hyperstack/internal/state/mapper.rb', line 189

def remove_current_observers_and_objects(observer)
  raise 'state management called outside of watch block' unless observer
  deleted_objects = current_objects.delete(observer)
  return unless deleted_objects
  deleted_objects.each do |object|
    # to allow for GC we never want objects hanging around as keys in
    # the current_observers hash, so we tread carefully here.
    next unless current_observers.key? object
    current_observers[object].delete(observer)
    current_observers.delete object if current_observers[object].empty?
  end
end