Running Less

compile.js

//	$ node compile.js

var fs = require('fs'),		// file system access
path = require('path'),
less = require('less');	// less processor

var options = {
    compress: true,
    optimization: 1,
    silent: false
};

var allFiles = [].concat(
    // fs.readdirSync("."),
    fs.readdirSync("builds").map(function(fname){
        return "builds/"+fname;
    })
    ),
lessFiles = allFiles.filter(function(name){
    return name && name != "variables.less" && /\.less$/.test(name);
});

lessFiles.forEach(function(fname){
    console.log("=== " + fname);
    fs.readFile(fname, 'utf-8', function(e, data){
        if(e){
            console.error("lessc: " + e.message);
            process.exit(1);
        }

        new(less.Parser)({
            paths: [path.dirname(fname)],
            optimization: options.optimization,
            filename: fname
        }).parse(data, function(err, tree){
            if(err){
                less.writeError(err, options);
                process.exit(1);
            }else{
                try{
                    var css = tree.toCSS({
                        compress: options.compress
                    }),
                    outputFname = fname.replace('.less', '.css');
                    var fd = fs.openSync(outputFname, "w");
                    fs.writeSync(fd, css, 0, "utf8");
                }catch(e){
                    less.writeError(e, options);
                    process.exit(2);
                }
            }
        });
    });
});
console.log("Finished : ", lessFiles);