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Versions: 14
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Contents
# 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
Version data entries
14 entries across 13 versions & 6 rubygems