Sass: Dart Sass

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Command Line

Dart Sass’s stand-alone command-line executable uses the blazing-fast Dart VM to compile your stylesheets. To install Dart Sass on the command line, check out the installation instructions. Once you’ve got it running, you can use it compile files:

sass 
source
/index.scss css/index.css

See sass --help for additional information on the command-line interface.

Dart Library

You can also use Dart Sass as a Dart library to get the speed of the Dart VM plus the ability to define your own functions and importers. To add it to an existing project:

  1. Install the Dart SDK. Make sure its bin directory is on your PATH.

  2. Create a pubspec.yaml file like this:

name
:
 
my_project


dev_dependencies
:

  
sass
:
 
^1.56.1

  1. Run dart pub get.

  2. Create a compile-sass.dart file like this:

import
 
'dart:io'
;


import
 
'package:sass/sass.dart'
 
as
 
sass
;



void
 
main
(
List
<
String
>
 
arguments
)
 
{

  
var
 
result
 
=
 
sass
.
compile
(
arguments
[
0
]);

  
new
 
File
(
arguments
[
1
]).
writeAsStringSync
(
result
);


}
  1. You can now use this to compile files:
dart compile-sass.dart styles.scss styles.css

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