Babel is a JavaScript compiler with a set of ES2015 syntax transformers that allow you to use new syntax, right now without waiting for browser support.

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

<dependency>
  <groupId>org.jooby</groupId>
  <artifactId>jooby-assets-babel</artifactId>
  <version>1.0.0.CR6</version>
  <scope>provided</scope>
</dependency>

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

<dependency>
  <groupId>org.jooby</groupId>
  <artifactId>jooby-assets-babel</artifactId>
  <version>1.0.0.CR6</version>
  <scope>provided</scope>
</dependency>

assets {
 fileset {
   home: ...
 }
 pipeline {
   dev: [babel]
   dist: [babel]
 }
 babel {
  dev {
    sourceMaps: inline
  }
  blacklist: [react]
 }
}

• 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.