Rails 3.1资产管道不会获取@ import'd工作表的更改 [英] Rails 3.1 asset pipeline doesn't pick up changes to @import'd sheets

问题描述

我使用 @import '部分工作表来整理我的css / sass：

I use @import'd partial sheets to organize my css/sass:

/app
  /assets
    /stylesheets
      _constants.sass
      _layout.sass
      ...
      app.css.sass

app.css.sass:
  @import _constants.sass
  // basic styles
  @import _layout.sass
  @import ...

app.css.sass 有 @import _layout.sass 的规则，它允许我在原始sass文件之前共享mixins和变量，然后再进行编译进入 app.css

app.css.sass has an @import rule for _layout.sass, which allows me to share mixins and variables amongst the raw sass files before they're complied down into app.css

问题是Rails无法识别对的更改@import 'd partials（ _layout.sass ）并且不会重新生成 app.css 直到我对实际的 app.css.sass 文件本身进行更改。这大大减慢了我的工作流程，这意味着我必须在 app.css.sass 中添加/删除空白行以查看更改。从来没有在3.0中遇到过这个问题。

The problem is that Rails doesn't recognize changes to the @import'd partials (_layout.sass) and won't regenerate app.css until I make a change to the actual app.css.sass file itself. This dramatically slows down my workflow and means I have to add/remove blank lines from app.css.sass to see changes. Never had this problem in 3.0.

有没有办法强制sass资产在开发中的每个服务器请求上重新生成？

Is there a way of forcing sass assets to regenerate on every server request in development?

推荐答案

使用 depend_on 指令可以满足您的要求。这使得给定文件成为基本文件的依赖项（因此当依赖项更改时会重新生成基本文件），但不会将其包含在包中。

Using a depend_on directive may do what you require. This makes the given file a dependency of the base file (so the base file is regenerated when the dependency changes), but doesn't include it in the bundle.

For例如：

/*
*= depend_on _layout.sass
*= depend_on _constants.sass
*/
@import _layout.sass
@import _constants.sass

请参阅此 sass和sprockets博客文章以及 sprockets文档（特别是指令部分）。

See this sass and sprockets blog post as well as the sprockets documentation (especially the directives section).

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