Add bin and edit workflow

bin/gems/zeitwerk-2.7.2/lib/zeitwerk/registry.rb

@@ -0,0 +1,85 @@
+# frozen_string_literal: true
+
+module Zeitwerk
+  module Registry # :nodoc: all
+    require_relative "registry/explicit_namespaces"
+    require_relative "registry/inceptions"
+
+    class << self
+      # Keeps track of all loaders. Useful to broadcast messages and to prevent
+      # them from being garbage collected.
+      #
+      # @private
+      # @sig Array[Zeitwerk::Loader]
+      attr_reader :loaders
+
+      # Registers gem loaders to let `for_gem` be idempotent in case of reload.
+      #
+      # @private
+      # @sig 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
+      # @sig Hash[String, Zeitwerk::Loader]
+      attr_reader :autoloads
+
+      # Registers a loader.
+      #
+      # @private
+      # @sig (Zeitwerk::Loader) -> void
+      def register_loader(loader)
+        loaders << loader
+      end
+
+      # @private
+      # @sig (Zeitwerk::Loader) -> void
+      def unregister_loader(loader)
+        loaders.delete(loader)
+        gem_loaders_by_root_file.delete_if { |_, l| l == loader }
+        autoloads.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
+      # @sig (String) -> 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
+
+      # @private
+      # @sig (Zeitwerk::Loader, String) -> String
+      def register_autoload(loader, abspath)
+        autoloads[abspath] = loader
+      end
+
+      # @private
+      # @sig (String) -> void
+      def unregister_autoload(abspath)
+        autoloads.delete(abspath)
+      end
+
+      # @private
+      # @sig (String) -> Zeitwerk::Loader?
+      def loader_for(path)
+        autoloads[path]
+      end
+
+      # @private
+      # @sig (Zeitwerk::Loader) -> void
+      def on_unload(loader)
+        autoloads.delete_if { |_path, object| object == loader }
+      end
+    end
+
+    @loaders                  = []
+    @gem_loaders_by_root_file = {}
+    @autoloads                = {}
+  end
+end