webpack.mix.js

const mix = require('laravel-mix');
let webpack = require('webpack');
require('dotenv').config({path: '.env'});
/*
 |--------------------------------------------------------------------------
 | 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')
    .postCss('resources/css/app.css', 'public/css', [
        //
    ]);


mix
  .js(["resources/js/admin/admin.js"], "public/js")
  .sass("resources/sass/admin/admin.scss", "public/css")
  .vue();

if (mix.inProduction()) {
  mix.version();
}

// mix.browserSync('lamba.test');

let dotenvplugin = new webpack.DefinePlugin({
    'process.env': {
        PUSHER_APP_KEY: JSON.stringify(process.env.PUSHER_APP_KEY || 'PUSHER KEY'),
    }
});
mix.webpackConfig({
    plugins: [
        dotenvplugin,
    ]
});