将Sprockets的`depend_on`指令指向非资产文件 [英] Point Sprockets' `depend_on` directive to a non-assets file

问题描述

我有一个app/assets/javascripts/moufa.js.erb文件，其中填充了config/moufa.yml文件中的值.我想使用depend_on sprockets指令，以便每次更改yaml文件时，它都会重新编译js文件.

I have an app/assets/javascripts/moufa.js.erb file that gets populated with values from a config/moufa.yml file. I want to use the depend_on sprockets directive so that every time the yaml file gets changed, it recompiles the js file.

推荐答案

我们能够通过添加新指令来解决此问题.该指令(将其放在config/initializers/sprockets.rb中)在config/目录中添加了对文件的依赖:

We were able to solve this by adding a new directive. This directive (put this in config/initializers/sprockets.rb) adds a dependency on a file in the config/ directory:

class Sprockets::DirectiveProcessor
  def process_depend_on_config_directive(file)
    path = File.expand_path(file, "#{Rails.root}/config")
    context.depend_on(path)
  end
end

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