webpack.mix.js

const mix = require('laravel-mix');

/*
 |--------------------------------------------------------------------------
 | Mix Asset Management
 |--------------------------------------------------------------------------
 |
 | Mix provides a clean, fluent API for defining some Webpack build steps
 | for your Laravel applications. By default, we are compiling the CSS
 | file for the application as well as bundling up all the JS files.
 |
 */

mix.js('resources/js/app.js', 'public/js')
    .autoload({
        "jquery": ['$', 'jquery', 'jQuery', 'window.jquery'],
        "popper.js": ["Popper.js"]
    }).sourceMaps()
    .extract()
    .js('resources/js/admin.js', 'public/js')
    .js('resources/js/main.js', 'public/js')
    .postCss('resources/css/admin.css', 'public/css')
    .postCss('resources/css/main.css', 'public/css')
    .postCss('resources/css/app.css', 'public/css');