Setting up an ES6 Environment for ASP.NET MVC 5 - https://www.slightedgecoder.com/2017/05/22/setting-es6-environment-asp-net-mvc-5

webpack.config.js

const path = require('path');

module.exports = {
    entry: ['./Scripts/es6/main.js'],
    output: {
        path: path.resolve(__dirname, './Scripts/build'),
        filename: 'bundle.js'
    },
    // IMPORTANT NOTE: If you are using Webpack 2 or above, replace "loaders" with "rules"
    module: {
        loaders: [{
            loader: 'babel-loader',
            test: /\.js$/,
            exclude: /node_modules/
        }]
    }
}