simplified asset generation

elixir-extensions.js

var gulp    = require('gulp');
var uglify  = require('gulp-uglify');
var cleanCSS = require('gulp-clean-css');
var pump    = require('pump');
var shell   = require('gulp-shell');
var Elixir  = require('laravel-elixir');
var del     = require('del');
var Task    = Elixir.Task;


Elixir.extend('cleanup', function() {

    new Task('cleanup', function() {

        return del([
            'lib/**/*',
            'dist/**/*'
        ]);

    });

});

Elixir.extend('uglifier', function(src, dest, type) {

    new Task('uglifier', function (cb) {
        if ( type == "js") {
            return pump([
                    gulp.src(src + '/' + type + '/*.' + type),
                    uglify(),
                    gulp.dest(dest + '/' + type)
                ],
                cb
            );
        }

        if ( type == "css") {
            return pump([
                    gulp.src(src + '/' + type + '/*.' + type),
                    cleanCSS(),
                    gulp.dest(dest + '/' + type)
                ],
                cb
            );
        }

        return "unknown type";
    });
});

gulpfile.js

var elixir  = require('laravel-elixir');
require('./elixir-extensions');


elixir.config.production = true;
elixir.config.sourcemaps = false;

elixir(function (mix) {

    var paths = {
        'bower'     : './bower_components/',
        'assets'    : './assets/',
        'dest'      : './lib/',
        'dist'      : './dist/'
    };

    var scripts = {
        "pace.js"       : [
            paths.bower+'PACE/pace.js'
        ],
        "vendor.js"     : [
            paths.bower+'jquery/dist/jquery.js',
            paths.bower+'bootstrap/dist/js/bootstrap.js',
            paths.bower+'jquery-easing/jquery.easing.js'
        ],
    };

    var styles = {
        "pace.css"       : [
            paths.bower+'PACE/themes/blue/pace-theme-center-circle.css'
        ],
    };

    var copyJobs = [
        {
            "from"  : paths.bower+"7-stroke-icons/pe-icon-7-stroke/fonts/**",
            "to"    : paths.dist+"fonts/"
        },
        {
            "from"  : paths.bower+"font-awesome/fonts/**",
            "to"    : paths.dist+"fonts/"
        },
        {
            "from"  : paths.bower+"ionicons/fonts/**",
            "to"    : paths.dist+"fonts/"
        },
        {
            "from"  : paths.bower+"simple-line-icons/fonts/**",
            "to"    : paths.dist+"fonts/"
        },
        {
            "from"  : paths.bower+"open-iconic/font/fonts/**",
            "to"    : paths.dist+"fonts/"
        },
        {
            "from"  : paths.bower+"bootstrap/dist/fonts/**",
            "to"    : paths.dist+"fonts/"
        },

    ];

    mix.cleanup();

    for( var index in copyJobs ) {
        mix.copy(copyJobs[index]['from'], copyJobs[index]['to']);
    }

    for( var destStyle in styles ) {
        mix.styles(styles[destStyle], paths.dest+'css/'+destStyle);
    }

    for( var destScript in scripts ) {
        mix.styles(scripts[destScript], paths.dest+'js/'+destScript);
    }

    mix.uglifier(paths.dest, paths.dist, 'js');
    mix.uglifier(paths.dest, paths.dist, 'css');

});

package.json

{
  "name": "<name>",
  "version": "1.0.0",
  "description": "<desc>",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "license": "MIT",
  "devDependencies": {
    "gulp": "^3.9.1",
    "gulp-clean-css": "^2.0.13",
    "gulp-uglify": "^2.0.0",
    "laravel-elixir": "^6.0.0-14",
    "pump": "^1.0.1"
  },
  "dependencies": {
    "del": "^2.2.2"
  }
}