Polymer 2.0 preview

babili (babel-minify)

    // Example ES2015 Code
    class Mangler {
      constructor(program) {
        this.program = program;
      }
    }
    /**
     * without this it would just output 
     * nothing since Mangler isn't used
     */
    new Mangler();

Before

// ES2015+ code -> Babel -> Babili/Uglify -> Minified ES5 Code

var a=function a(b){_classCallCheck(this,a),this.program=b};new a;

After

// ES2015+ code -> Babili -> Minified ES2015+ Code

class a{constructor(b){this.program=b}}new a;