自定义/覆盖 Rails SimpleForm Gem

发布于 2024-10-02 13:43:28 字数 463 浏览 5 评论 0原文

我正在使用 Rails gem SimpleForm,但我认为我的问题可能适用于任何 gem。

https://github.com/plataformatec/simple_form

它有很多很棒的功能和自定义功能,但我我希望能走得更远一点。例如,我真的希望生成的标记没有插入默认类,但我仍然希望能够手动插入自己的类。我发现我可以通过注释 gem 文件中的行来删除一些类。然而,这超出了我的项目范围——我想要一个 DRY 解决方案,当我部署到生产环境时,该解决方案将保留在我的项目中,最好不需要打包所有的 gem。

我想这是一种常见的情况,可以适用于任何gem,并且我应该能够通过在我的项目中添加覆盖gem的自定义文件来完全或部分地覆盖任何gem...但我不确定如何。

任何帮助将不胜感激!谢谢。

I'm using the Rails gem SimpleForm, but I think my question may be applicable to any gem.

https://github.com/plataformatec/simple_form

It has a lot of great features and customization, but I'm looking to go a bit further. For example, I really wish the markup generated had no default classes inserted into it, but I'd still like the ability to insert my own manually. I found that I could remove some of the classes by commenting out lines in the gem files. However this is outside of my project-- I would want a DRY solution that will stay with my project when I deploy to production, preferably without having to pack all of my gems.

I imagine this is a common situation that could apply to any gem, and I should be able to override any gem wholly or partially probably by adding customs files in my project that override the gem... but I'm not sure how.

Any help would be appreciated! Thanks.

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看轻我的陪伴 2024-10-09 13:43:28

您是在谈论猴子补丁吗?假设你的 gem 在文件中有一个类

# simple_form_gem/lib/some_file.rb
class A
  def some_method
    puts 'A'
  end
end

如果你想更改 #some_method 的输出,那么你可以创建一个初始化文件并执行

# config/initializers/my_monkey_patch_for_simple_form_gem.rb
class A
  def some_method
    puts 'duck punching'
  end
end

你的猴子补丁只会影响 A#some_method,而不影响 A 中的其他方法。只需确保输出你的猴子补丁不会破坏宝石中的其他东西。

Are you talking about monkey patching? Say your gem has a class in a file

# simple_form_gem/lib/some_file.rb
class A
  def some_method
    puts 'A'
  end
end

If you want to change the output of #some_method then you can create an initializer file and do

# config/initializers/my_monkey_patch_for_simple_form_gem.rb
class A
  def some_method
    puts 'duck punching'
  end
end

Your monkey patch will only affect A#some_method, and not other methods in A. Just make sure the output of your monkey patch won't break something else in the gem.

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