gulpfile.js

var gulp = require('gulp');
var jsFiles = ['*.js', 'src/**/*.js'];
var jsHint = require('gulp-jshint');
var jscs = require('gulp-jscs');
var nodemon = require('gulp-nodemon');

gulp.task('style', function() {
  return gulp.src(jsFiles)
             .pipe(jsHint())
             .pipe(jsHint.reporter('jshint-stylish', {
               verbose: true
             }))
             .pipe(jscs());
});

gulp.task('inject', function() {
  var wiredep = require('wiredep').stream;
  var inject = require('gulp-inject');

  var injectSrc = gulp.src(['./public/css/*.css', './public/js/*.js'], { read: false });
  var injectOptions = {
    ignorePath: '/public'
  };

  var options = {
    bowerJson: require('./bower.json'),
    directory: './public/lib',
    ignorePath: '../../public'
  };

  return gulp.src('./src/views/*.html')
             .pipe(wiredep(options))
             .pipe(inject(injectSrc, injectOptions))
             .pipe(gulp.dest('./src/views'));
});

gulp.task('serve', ['inject', 'style'], function() {
  var options = {
    script: 'app.js',
    delayTime: 1,
    env: {
      PORT: 5000
    },
    watch: jsFiles
  };

  return nodemon(options)
          .on('restart', function(ev) {
            console.log('restarting ... ');
          });
});