module Mixin module RequiredSubPaths def self.included(_base) path = caller_locations(1..1).first.path sub_path = File.join(File.dirname(path), File.basename(path, '.rb')) eager_load_recursive(sub_path) end # Loads a directory recursively. # The specialty of this method is that it will first load all # files in a directory and then start with the sub directories. # This is needed since otherwise some parent namespaces might not # be initialized yet. # # The cause of this is that Rails autoload doesn't work properly # for same named classes or modules in different namespaces. # Here is a good description how autoload works: # http://urbanautomaton.com/blog/2013/08/27/rails-autoloading-hell/ # # This avoids a) Rails autoloading issues and b) require '...' workarounds def self.eager_load_recursive(path) excluded = ['.', '..'] sub_paths = [] Dir.entries(path).each do |entry| next if excluded.include?(entry) sub_path = File.join(path, entry) if File.directory?(sub_path) sub_paths.push(sub_path) elsif sub_path =~ /\A(.*)\.rb\z/ require_path = $1 require_dependency(require_path) end end sub_paths.each do |sub_path| eager_load_recursive(sub_path) end end end end