从一个sass文件到多个css文件的SASS输出 [英] SASS output from one sass file to multiple css files

问题描述

我想从一个 sass 文件中输出多个 css 文件.我有一个文件:schemes.scss，代码如下:

I want to output multiple css files from one sass file. I have one file: schemes.scss, with code like this:

$schemes: (
  'light': (
    'body-background': white,
    'headline-color' : #111,
    'subheadline-color': #222
  ),
  'dark': (
    'body-background': black,
    'headline-color' : #ddd,
    'subheadline-color' : #eee
  ),
  'moderate': (
    'body-background': gray,
    'headline-color' : black,
    'subheadline-color' : #333
  )
);

@each $scheme in $schemes{
  //do something to export to separate file
  @include scheme-base-mixin($scheme);
}

所以结果是 3 个单独的 css 文件:

so that the result are 3 separate css files:

scheme-light.css:

body{
    background-color: white;
}

h1{
    color: #111;
}

.subheadline{
    color: #222;
}

scheme-dark.css:

body{
    background-color: black
}

h1{
    color: #ddd;
}

.subheadline{
    color: #eee;
}

scheme-moderate.css:

body{
    background-color: gray
}
h1{
    color: black;
}
.subheadline{
    color: #333;
}

这可以用纯 SASS 实现吗?..或者用gulp(真的不喜欢).

Is this possible with pure SASS? ..or with gulp (really prefer not).

在我的情况下，提取 sass 的公共部分并创建 3 个不同的 sass 文件不是解决方案.我有 9 个方案乘以数十个复杂的组件.通过类包装器附加方案也不是解决方案.

Extracting common parts of sass and creating 3 different sass files is not a solution in my case. I have 9 schemes multiplied by dozens of complex components. Attaching scheme by class wrapper is not a solution either.

推荐答案

在将资产编译为 css 之前运行的纯 ruby​​(或您喜欢的任何其他语言)的简单预处理器怎么样?

What about a simple preprocessor in pure ruby (or in any other language you like) which you run before you compile your assets to css?

# gen_schemes_scss.rb    
schemes_scss = File.read('schemes.scss')

%i(light dark moderate).each do |scheme|
  scss = "$scheme: #{scheme};\n" # save current scheme inside scss variable
  scss += schemes_scss # append the rest

  File.write("scheme-#{scheme}.scss", scss) # write to new .scss file
end

使用schemes.scss:

$schemes: (
  'light': (
    'body-background': white,
    'headline-color' : #111,
    'subheadline-color': #222
  ),
  'dark': (
    'body-background': black,
    'headline-color' : #ddd,
    'subheadline-color' : #eee
  ),
  'moderate': (
    'body-background': gray,
    'headline-color' : black,
    'subheadline-color' : #333
  )
);

@include scheme-base-mixin($scheme);

这个想法是通过这个预处理器生成不同的 scss 文件.您将拥有scheme-light.scss、scheme-dark.scss 等可以编译的文件.

The idea is to generate different scss files by this preprocessor. You will have scheme-light.scss, scheme-dark.scss etc. files which can be compiled.

我认为纯 sass 解决方案在 atm 中是不可能的.

I think a pure sass solution is not possible atm.

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