gulp-setup.js

//npm i gulp -D
//in gulpfile.js
var gulp = require('gulp');
//npm i gulp-jshint gulp-jscs -D
//in gulpfile
var jshint = require('gulp-jshint');
var jscs = require('gulp-jscs');
//$ npm i -D gulp-util
var util = require('gulp-util');
//$ npm i -D gulp-print
var gulpprint = require('gulp-print');
//$ npm i -D gulp-if yargs
var gulpif = require('gulp-if');
var args = require('yargs').argv;
var paths = {
    js : ['*.js', 'src/**/*.js']
};
//var jsFiles = ['*.js', 'src/**/*.js']; // optional way instead of paths var



gulp.task('vet', function() {
    log('Analyzing source with JSHint and JSCS');
    return gulp
        .src(paths.js)
        .pipe(gulpif(args.verbose, gulpprint())) //run with $ gulp vet --verbose
        .pipe(jscs())
        .pipe(jscs.reporter())
        .pipe(jshint())
        .pipe(jshint.reporter('jshint-stylish', {
            verbose: true
        }))
        .pipe(jshint.reporter('fail'));
});

//need to get jshint-stylish
//$ npm i jshint -D
//$ npm i jshint-stylish -D


var util = require('gulp-util');
////////////
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));
    }
}