less

var less = require('less');less.render('.class { width: (1 + 1) }',    {      paths: ['.', './lib'],  // Specify search paths for @import directives      filename: 'style.less', // Specify a filename, for better error messages      compress: true          // Minify CSS output    },    function (e, output) {       console.log(output.css);    });