gulp livereload (gulp 3.5.0)

gistfile1.js

var gulp = require('gulp');
var gutil = require('gulp-util');
var sass = require('gulp-sass');
var lr = require('tiny-lr');
var http = require('http');
var path = require('path');
var ecstatic = require('ecstatic');
var tlr = lr();
var livereload = function (evt, filepath) {
  tlr.changed({
    body: {
      files: path.relative(__dirname, filepath)
    }
  });
};

gulp.task('styles', function () {
  return gulp.src('./src/scss/main.scss')
    .pipe(sass())
    .pipe(gulp.dest('./dist/css'));
});

gulp.task('default', function() {
  http.createServer(ecstatic({root: __dirname})).listen(8080);
  gutil.log(gutil.colors.blue('HTTP server listening on port 8080'));
  tlr.listen(35729);
  gutil.log(gutil.colors.blue('Livereload server listening on port 35729'));
  gulp.watch('src/scss/**', ['styles'])._watcher.on('all', livereload);
});