hello_1489

Частично решил
webpack.mix.js

let mix = require('laravel-mix')
const VueLoaderPlugin = require('vue-loader/lib/plugin')


mix.js('resources/js/app.js', 'public/assets/js/')
  .babel('public/assets/js/app.js', 'public/assets/js/app.es5.js')
  .sass('resources/sass/style.scss', 'public/assets/css/')

if (!mix.inProduction()) {
  mix.webpackConfig({
    devtool: 'source-map'
  }).sourceMaps()
} else {
  mix.version()
}

babel.config.js

module.exports = function (api) {
  api.cache(false);
  const config = {
    "presets": [
      ["@babel/env", {
        "targets": {
          "browsers": [
            "last 4 versions",
            "IE 11",
            'Chrome >= 49',
            'Firefox >= 45',
            'Safari >= 10',
            'Edge >= 13',
            'iOS >= 10',
            'Electron >= 0.36'
          ]
        }
      }],
      // "@babel/stage-0"
    ],
    plugins: [
      // Stage 0
      ["@babel/plugin-transform-classes"],
    ],
  };
  return config;
};

Буду обновлять