gulpfile.js

var gulp = require('gulp');
var jshint = require('gulp-jshint');
var jscs = require('gulp-jscs');
var util = require('gulp-util');
var gulpprint = require('gulp-print');

gulp.task('vet', function () {
    log('Analyzing source with JSHint and JSCS');
    return gulp
        .src([
            './app/**/*.js',
            './*.js'
        ])
        .pipe(gulpprint())
        .pipe(jscs())
        .pipe(jshint())
        .pipe(jshint.reporter('jshint-stylish', {
            verbose: true
        }))
        .pipe(jshint.reporter('fail'));
});

function log(msg) {
    if (typeof(msg) === 'object') {
        for (var item in msg) {
            if (msg.hasOwnProperty(item)) {
                util.log(util.colors.blue(msg[item]));
            }
        }
    } else {
        util.log(util.colors.blue(msg));
    }
}