stylus-win.js

var fs = require('fs'),
    path = require('path');

function watchStyles(sourcefile, destinationfolder) {

  var exec = require('child_process').exec;
  var cmd = `stylus -c -u nib -w ${sourcefile} -o ${destinationfolder}`;
  exec(cmd, function(error, stdout, stderr) {
    if (stdout) {
      console.log(stdout);
      return;
    }

    if (stderr) {
      console.log(stderr);
      return;
    }

  });
}


function getDirectories(srcpath) {
  return fs.readdirSync(srcpath).filter(function(file) {
    return fs.statSync(path.join(srcpath, file)).isDirectory();
  });
}

//var directories = getDirectories(__dirname);

var directories = [
  'apps',
  'static',
  'templates'
];


function fromDir(directory, startPath, filter){


    if (!fs.existsSync(startPath)){
        return;
    }

    var files = fs.readdirSync(startPath);

    for(var i=0;i<files.length;i++){
        var filename = path.join(startPath,files[i]);
        var stat = fs.lstatSync(filename);
        if (stat.isDirectory()){
            fromDir(filename, filename, filter); //recurse
        }
        else if (filename.indexOf(filter)>=0) {
          console.log("-------------");
          console.log(filename);
          //console.log(`${directory.replace('stylus','')}css/`)
          console.log("-------------")
          watchStyles(filename,`${directory.replace('stylus','')}css/`);
        };
    };
};


for(let directory of directories)
{
  fromDir(`${__dirname}/${directory}/`,`${__dirname}/${directory}/`,'.styl');
}