gulpfile.js

var elixir = require('laravel-elixir');

/*
 |--------------------------------------------------------------------------
 | Elixir Asset Management
 |--------------------------------------------------------------------------
 |
 | Elixir provides a clean, fluent API for defining some basic Gulp tasks
 | for your Laravel application. By default, we are compiling the Sass
 | file for our application, as well as publishing vendor resources.
 |
 */

elixir(function(mix) {
    mix.sass('app.scss');
    mix.scriptsIn("resources/assets/js/core", "public/js/core.js");
    mix.scriptsIn("resources/assets/js/admin", "public/js/admin.js");
    // use the --production flag with gulp to minify
});

elixir(function(mix) {
    mix.copy('resources/assets/js/pledge/pledge.js', 'public/js/pledge.js');
    mix.version([
        "js/core.js",
        "js/pledge.js",
        "js/admin.js",
        "css/app.css"
    ]);
});