如何更改从其中一颗宝石中加载宝石的顺序 [英] How to change the order that gems are loaded from within one of the gems

问题描述

我有两个宝石CoreGem"和AddonGem".Addon Gem 添加了额外的功能，将覆盖核心 gem.

I have two gems "CoreGem" and "AddonGem". Addon Gem adds extra functionality which will overwrite the core gem.

我如何确保如果添加第二个 gem 它将覆盖第一个的视图和资产.

How do i make sure that if the second gem is added it will overwrite the views and assets of the first.

到目前为止，它在添加到主应用程序时有效:

So far it works when adding to the main app:

 config.railties_order = [ :main_app, AddonGem::Engine, :all]

但我想从 AddonGem 中执行此操作.

But i'd want to do this from within the AddonGem.

谢谢

推荐答案

railties_order 的使用场合

railties_order 在这里使用:

Where railties_order is used

railties_order is used here:

https://github.com/rails/rails/blob/master/railties/lib/rails/application.rb#L317

确定要运行的 initializer 块的顺序，

to determine the ordering of initializer blocks to run,

https://github.com/rails/rails/blob/master/railties/lib/rails/application.rb#L337

在其他宝石中发现.

https://github.com/rails/rails/blob/master/railties/lib/rails/application.rb#L47

因此在 initializer 块中设置 railties_order 将毫无意义，因为在调用 initializer 块时，railties_order 已经设置并被应用程序的其余部分使用.

So setting railties_order inside an initializer block would be rather pointless, as by the time the initializer block was called, railties_order was already set and is in used by the rest of the application.

显然在 Rails::Application::Bootstrap 中还有更多的 initializer 块.

Apparently a bunch more initializer blocks are inside the Rails::Application::Bootstrap.

https://github.com/rails/rails/blob/master/railties/lib/rails/application/bootstrap.rb

那些在主应用程序的初始化块之前:

Those are prepended before the main application's initializer blocks:

https://github.com/rails/rails/blob/master/railties/lib/rails/application.rb#L262

那么也许您可以使用一些初始化程序来修补 Bootstrap 模块?我想这是你的电话.

So perhaps you can monkey-patch the Bootstrap module with some initializers? I guess that's your call.

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