babel-js-config.txt

# Serve from current directory without Babel-JS & Webpack
> browser-sync start --proxy "127.0.0.1" --directory --files "**/*"


# Babel JS
> npm install webpack -g
> npm init
> npm install webpack --save-dev
> webpack assets/js/app.js assets/js/app.bundle.js [Part 1]
> npm install babel-core babel-loader babel-preset-env --save-dev

# Create root file: .babelrc
{ "presets": [ "env" ] }

# Browsersync with webpack
> npm install browser-sync-webpack-plugin --save-dev

# Create root file: webpack.config.js
const BrowserSyncPlugin = require('browser-sync-webpack-plugin');
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');

module.exports = {
  entry: './assets/js/app.js',
  output: {
    filename: './assets/js/app.compiled.js'
  },
  watch: true,
  plugins: [
    new BrowserSyncPlugin({
      host: 'localhost',
      port: 3000,
      proxy: "127.0.0.1",
      files: "**/*"
    }),
    new UglifyJsPlugin({
      test: /\.js($|\?)/i
    })
  ],
  module: {
    rules: [
      {
        test: /\.js$/,
        use: 'babel-loader',
        exclude: [
          /node_modules/
        ]
      }
    ]
  }
};