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Size: 829 Bytes
Versions: 155
Compression:
Stored size: 829 Bytes
Contents
module Common
module Hooks
HOOKS = [:after_load]
HOOKS.each do |hook_name|
# define instance-level registration method per hook
define_method hook_name do |callable = nil, &block|
callable ||= block
Hooks.callbacks.fetch(hook_name) << callable if callable
end
# define singleton-level run_* method per hook
define_singleton_method "run_#{hook_name}" do |*args|
callbacks.fetch(hook_name).each do |callback|
callback.call(*args)
end
end
end
# beware, the callbacks hash is a single shared instance tied to this module
def self.callbacks
@callbacks ||= initialize_callbacks_array_per_hook
end
private
def self.initialize_callbacks_array_per_hook
Hash[HOOKS.map { |name| [name, []] }]
end
end
end
Version data entries
155 entries across 155 versions & 1 rubygems