如何使我现有的 ruby gem 配置可用于我的 rails-api 应用程序?

How to make my existing ruby gem configuration available to my rails-api app?

我有一个 ruby gem 我创建的,我一直在我的 rails-api 应用程序之一中使用。我最近向 gem 添加了一个配置,所以我可以从我的 rails-api 应用程序配置它,它看起来像这样:

# In rails-api app /config/initializers/my_gem.rb
MyGem::MyNamespace.configure do |config|
   config.allow_custom_commands = true
end 

但是,当我启动 rails 服务器时,出现 NoMethod 错误:

/Users/me/dev/rails/api.abc/config/initializers/my_gem.rb:61:in `<top (required)>': undefined method `configure' for MyGem::MyNamespace:Module (NoMethodError)
        from /Users/me/dev/rails/api.mohojo-werks/vendor/bundle/gems/activesupport-5.0.5/lib/active_support/dependencies.rb:287:in `load'
        from /Users/me/dev/rails/api.mohojo-werks/vendor/bundle/gems/activesupport-5.0.5/lib/active_support/dependencies.rb:287:in `block in load'
        from /Users/me/dev/rails/api.mohojo-werks/vendor/bundle/gems/activesupport-5.0.5/lib/active_support/dependencies.rb:259:in `load_dependency' 
etc.

我的所有 gem 测试都顺利通过,所以我不知道我做错了什么。这是我的配置文件:

# /my_gem/configuration.rb    
module MyGem
    module MyNamespace

        class Configuration
            attr_accessor :allow_custom_commands

            def initialize
            reset
            end

         public
            def reset
                @allow_custom_commands = false
            nil
            end
        end
    end
end


# /my_gem/configure.rb
module MyGem
    module MyNamespace
        class << self
            attr_writer :configuration
        end

        def self.configuration
            @configuration ||= Configuration.new
        end

        def self.configure
            yield(configuration)
        end
    end
end

我似乎遗漏了以下文件中的一些 'requires'。添加它们之后,一切似乎都运行良好,我的配置块在我的 rails-api 应用程序 /config/initializers/my_gem.rb...

中运行良好
# my_gem.rb
require 'my_gem/configure'

# /my_gem/configure.rb
require_relative 'configuration'