sass-lang implementation from Sass (ruby) Sass is the most mature, stable, and powerful professional grade CSS extension language in the world.

Make sure you already setup the assets module in your project!

<dependency>
  <groupId>org.jooby</groupId>
  <artifactId>jooby-assets-sass</artifactId>
  <version>0.15.1</version>
  <scope>test</scope>
</dependency>

assets {
 fileset {
   home: home.scss
 }
 pipeline {
   dev: [sass]
   dist: [sass]
 }
}

assets {
 ...
 sass {
   syntax: scss
   dev {
     sourceMap: inline
   }
 }
}

• props: replace application properties in CSS files.

• csslint: check and validate css rules.

• sass: Sass support from Sass (ruby).

• less4j: Less support from less4j

• less: Less support from less.js

• clean-css: minify css.

• yui-css: YUI CSS optimizer.

• props: replace application properties in JavaScript files.

• jscs: JavaScript code style checker.

• jshint: JavaScript linter, helps to detect errors and potential problems in code..

• babel: Ecma6 now via Babel.

• rollup: rollup.js the next-generation ES6 module bundler..

• ng-annotate: Add, remove and rebuild AngularJS dependency injection annotations.

• closure-compiler: Google JavaScript optimizer and minifier.

• uglify: uglify.js optimizer.

• requirejs: r.js optimizer.

• yui-js: YUI JS optimizer.