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# File 'lib/extend_it/callbacks.rb', line 82
def define_callbacks(*names, callbacks: [:before, :after])
callbacks = [:before, :after] unless callbacks.is_a?(Array)
callbacks.select! { |cb| CALLBACKS.include?(cb) }
names.each do |name|
name = name.ensure_symbol || next
callbacks.each do |cb|
cb_name = "#{cb}_#{name}".to_sym
var_name = "@#{cb_name}".to_sym
define_singleton_method cb_name do |&block|
return if block.nil?
arr =
if instance_variable_defined?(var_name)
instance_variable_get(var_name)
else
instance_variable_set(var_name, [])
end
arr << block
end
end
end
end
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