gulp simple config

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'),
    myth = require('gulp-myth'),
    server = lr();

gulp.task('stylus', function () {
  gulp.src('static/css/stylus/screen.stylus')
    .pipe(stylus())
    .pipe(myth())
    .pipe(gulp.dest('static/css/'))
    .pipe(livereload(server));
});

gulp.task('haml', function () {
  gulp.src('static/css/stylus/screen.stylus')
    .pipe(livereload(server));
});

gulp.task('watch', function () {
  server.listen(35729, function (err) {
    if (err) return console.log(err);

    gulp.watch('static/bem/**/*.styl', function () {
        gulp.run('stylus');
    });
    gulp.watch('templates/html/**/*.haml', function () {
        gulp.run('haml');
    });
  });
});

package.json

{
  "name": "merz",
  "version": "0.0.1",
  "devDependencies": {
    "tiny-lr": "0.0.5",
    "gulp": "~3.3.1",
    "gulp-csslint": "~0.1.3",
    "gulp-myth-css": "~0.1.0",
    "gulp-myth": "~0.1.0",
    "gulp-livereload": "~0.2.0",
    "gulp-autoprefixer": "0.0.3",
    "gulp-coffee": "~1.2.5",
    "gulp-stylus": "0.0.7"
  }

}