webpack.mix.js

let mix = require("laravel-mix");

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

mix.js("resources/assets/js/app.js", "public/js/app.js")
    .sass("resources/assets/sass/app.scss", "public/css")
    .webpackConfig({
        module: {
            rules: [
                {
                    test: /\.m?js$/,
                    exclude: /(node_modules|bower_components)/,
                    use: {
                        loader: "babel-loader",
                        options: {
                            plugins: ["lodash"],
                            presets: [
                                [
                                    "babel-preset-env",
                                    {
                                        useBuiltIns: "entry"
                                    }
                                ]
                            ]
                        }
                    }
                }
            ]
        }
    });