Transform Sass

Transform Sass is a Dart transformer for pub serve and pub build that uses [Dart-Sass][https://github.com/sass/dart-sass] for compiling scss and sass files into css. Transformer supports 'package:...' imports. This transformer can handle:

• base_project/

  • pubspec.yaml
  • lib/
    • _base_style.scss
    • more/
      • _more_base_style.scss
      • _even_more_base_style.scss

• another_project/

  • pubspec.yaml
  • lib/
    • _another_style.scss

• your_project/

  • pubspec.yaml
  • lib/
    • _your_style.scss
  • web/
    • css/
      • style.scss
      • more/
        • _more_style.scss

Where the contents are as follows:

All pubspec.yaml files.

...
dependencies:
  ...
  transform_sass: '>=0.3.1'

transformers:
  ...
  - transform_sass
...

_base_style.scss

@import 'package:base_project/more/more_base_style';
@import 'more/even_more_base_style';
...

_another_style.scss

@import 'package:base_project/base_style';
...

_your_style.scss

@import 'package:base_project/base_style';
...

style.css

@import 'more/more_style';
@import 'package:your_project/another_style';
@import 'package:base_project/base_style'; // Redundant, but present for example
...

Simply put, all imports work like Dart. To use the transformer, add the following two lines to your pubspec.yaml file:

dependencies:
  transform_sass: '>=0.3.1'
transformers:
  - transform_sass

Afterwards, run pub install. Changes to the CSS in the browser only require refreshing the browser when running pub serve.

Links

• Source code is available at: https://github.com/halverneus/transform-sass
• Pub is available at: https://pub.dartlang.org/packages/transform_sass