Add bin and edit workflow

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

@@ -0,0 +1,68 @@
+# frozen_string_literal: true
+
+module Zeitwerk
+  # @private
+  class GemLoader < Loader
+    include RealModName
+
+    # Users should not create instances directly, the public interface is
+    # `Zeitwerk::Loader.for_gem`.
+    private_class_method :new
+
+    # @private
+    # @sig (String, bool) -> Zeitwerk::GemLoader
+    def self.__new(root_file, namespace:, warn_on_extra_files:)
+      new(root_file, namespace: namespace, warn_on_extra_files: warn_on_extra_files)
+    end
+
+    # @sig (String, bool) -> void
+    def initialize(root_file, namespace:, warn_on_extra_files:)
+      super()
+
+      @tag = File.basename(root_file, ".rb")
+      @tag = real_mod_name(namespace) + "-" + @tag unless namespace.equal?(Object)
+
+      @inflector           = GemInflector.new(root_file)
+      @root_file           = File.expand_path(root_file)
+      @root_dir            = File.dirname(root_file)
+      @warn_on_extra_files = warn_on_extra_files
+
+      push_dir(@root_dir, namespace: namespace)
+    end
+
+    # @sig () -> void
+    def setup
+      warn_on_extra_files if @warn_on_extra_files
+      super
+    end
+
+    private
+
+    # @sig () -> void
+    def warn_on_extra_files
+      expected_namespace_dir = @root_file.delete_suffix(".rb")
+
+      ls(@root_dir) do |basename, abspath, ftype|
+        next if abspath == @root_file
+        next if abspath == expected_namespace_dir
+
+        basename_without_ext = basename.delete_suffix(".rb")
+        cname = inflector.camelize(basename_without_ext, abspath).to_sym
+
+        warn(<<~EOS)
+          WARNING: Zeitwerk defines the constant #{cname} after the #{ftype}
+
+              #{abspath}
+
+          To prevent that, please configure the loader to ignore it:
+
+              loader.ignore("\#{__dir__}/#{basename}")
+
+          Otherwise, there is a flag to silence this warning:
+
+              Zeitwerk::Loader.for_gem(warn_on_extra_files: false)
+        EOS
+      end
+    end
+  end
+end