Gulp auto compile stylus

package.json

{
  "name": "stylus-compile",
  "version": "0.0.1",
  "devDependencies": {
    "tiny-lr": "0.0.5",
    "gulp": "^3.5.5",
    "gulp-util": "^2.2.14",
    "gulp-csslint": "0.1.3",
    "gulp-livereload": "1.2.0",
    "gulp-autoprefixer": "0.0.6",
    "gulp-stylus": "0.0.13"
  }
}

stylus gulp.js

var lr = require('tiny-lr'),
    gulp = require('gulp'),
    stylus = require('gulp-stylus'),
    livereload = require('gulp-livereload'),
    prefix = require('gulp-autoprefixer'),
    csslint = require('gulp-csslint'),
    server = lr();

gulp.task('stylus', function () {
  gulp.src('./*.styl')
    .pipe(stylus({set:['compress']}))
    .pipe(prefix('last 8 version', '> 1%', 'ie 7', 'ie 8'))
    // .pipe(csslint())
    // .pipe(csslint.reporter())
    .pipe(gulp.dest('./'))
    .pipe(livereload(server));
});

gulp.task('watch', function () {
  server.listen(35729, function (err) {
    if (err) return console.log(err);
      gulp.watch('./*.styl', ['stylus']);
  });
});

gulp.task('default', ['stylus', 'watch']);