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 application. By default, we are compiling the Sass
 | file for the application as well as bundling up all the JS files.
 |
 */

mix.react('resources/assets/js/app.js', 'public/js')
		.sourceMaps()
   .sass('resources/assets/sass/app.scss', 'public/css').sourceMaps();

mix.webpackConfig({
    module: {
        rules: [
            {
                test: /\.hbs?$/,
                loader: 'handlebars-loader'
            }
        ]
    }
});