gulpfile.js

// Requis
var gulp = require('gulp');

//Plugins
var //rename = require('gulp-rename'),
    license = require('gulp-header-license'),
    fs = require('fs'),
    beautifier = require('gulp-jsbeautifier');


//Header on file JS & CSS 
gulp.task('license', function() {
    var year = (new Date()).getFullYear();
    gulp.src(['app/**/*.js', 'controllers/*.js', 'definitions/*.js', 'install/**/*.js', 'models/*.js', 'modules/*.js', 'source/*.js'], {
            base: "./"
        })
        .pipe(license(fs.readFileSync('header.md', 'utf8'), {
            year: year
        }, 0.8))
        .pipe(gulp.dest('./'));
});

//Clean indentation Js, css, html
gulp.task('beautifier', function() {
    gulp.src(['./**/*.css', './**/*.html', './**/*.js', '!./public/assets/**', '!./node_modules/**', '!/tmp/**', '!./**/*.min.js', '!./**/*.min.css'])
        .pipe(beautifier({
            //"indent_size": 4,
            //"indent_char": ' ',
            // other options 
            //"js": {
            // other options 
            //    "indent_size": 3
            //}
        }))
        .pipe(gulp.dest('.'));
});

// Task default

gulp.task('default', ['license', 'beautifier']);