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# frozen_string_literal: true
module Zeitwerk
module Registry # :nodoc: all
require_relative "registry/autoloads"
require_relative "registry/explicit_namespaces"
require_relative "registry/inceptions"
require_relative "registry/loaders"
class << self
# Keeps track of all loaders. Useful to broadcast messages and to prevent
# them from being garbage collected.
#
# @private
#: Zeitwerk::Registry::Loaders
attr_reader :loaders
# Registers gem loaders to let `for_gem` be idempotent in case of reload.
#
# @private
#: Hash[String, Zeitwerk::Loader]
attr_reader :gem_loaders_by_root_file
# Maps absolute paths to the loaders responsible for them.
#
# This information is used by our decorated `Kernel#require` to be able to
# invoke callbacks and autovivify modules.
#
# @private
#: Zeitwerk::Registry::Autoloads
attr_reader :autoloads
# @private
#: Zeitwerk::Registry::ExplicitNamespaces
attr_reader :explicit_namespaces
# @private
#: Zeitwerk::Registry::Inceptions
attr_reader :inceptions
# @private
#: (Zeitwerk::Loader) -> void
def unregister_loader(loader)
gem_loaders_by_root_file.delete_if { |_, l| l == loader }
end
# This method returns always a loader, the same instance for the same root
# file. That is how Zeitwerk::Loader.for_gem is idempotent.
#
# @private
#: (String, namespace: Module, warn_on_extra_files: boolish) -> Zeitwerk::Loader
def loader_for_gem(root_file, namespace:, warn_on_extra_files:)
gem_loaders_by_root_file[root_file] ||= GemLoader.__new(root_file, namespace: namespace, warn_on_extra_files: warn_on_extra_files)
end
end
@loaders = Loaders.new
@gem_loaders_by_root_file = {}
@autoloads = Autoloads.new
@explicit_namespaces = ExplicitNamespaces.new
@inceptions = Inceptions.new
end
end
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