gulpfile.js

var gulp = require('gulp');
var babel = require('gulp-babel');
var concat = require('gulp-concat');
var sass = require('gulp-sass');
var order = require('gulp-order');
var annotate = require('gulp-ng-annotate');
var sourcemaps = require('gulp-sourcemaps');
var nodemon = require('gulp-nodemon');

gulp.task('es6', function() {
  gulp.src(['public/js/*.js'])
  .pipe(babel({
    'presets': ['es2015']
  }))
  .pipe(order(['**/majorgolf.app.js', '**/main.ctrl.js', '**/golfer.ctrl.js', '**/golfer.service.js', '**/gameCtrl.js', '**/gameService.js', '**/eventCtrl.js', '**/eventService.js',]))
  .pipe(concat('majorgolf.js'))
  .pipe(gulp.dest('public/dist/'));
});

gulp.task('start', function () {
  nodemon({
    script: './server.js'
  , ext: 'js html'
  , env: { 'NODE_ENV': 'development' }
  })
})

gulp.task('sass', function() {
  return gulp.src('public/styles/*.scss')
  .pipe(sass().on('error', sass.logError))
  .pipe(gulp.dest('public/dist/'));
});

gulp.watch('public/styles/*.scss', ['sass']);
gulp.watch('public/js/*.js', ['es6']);

gulp.task('default', ['es6', 'sass', 'start']);