web pack.config.bable.js

/* eslint-disable require-jsdoc */
const SOURCE_DIR = `${__dirname}/src/js`
const DEST_DIR = `${__dirname}/static`
console.log(SOURCE_DIR)
console.log(DEST_DIR)

module.exports = {
  entry: {
    main: ['babel-polyfill', `${SOURCE_DIR}/main.es6`],
  },
  output: {
    path: DEST_DIR,
    filename: '[name].bundle.js',
    chunkFilename: '[id].[chunkhash].chunked.js',
  },
  module: {
    rules: [
      {
        exclude: /node_modules/,
        loader: 'babel-loader',
        options: {
          cacheDirectory: true,
        },
        test: /\.es6$/,
      },
    ],
  },
  resolve: {
    extensions: ['.es6', '.js'],
    modules: [
      SOURCE_DIR,
      'node_modules',
    ],
  },
  plugins: [
    new DefinePlugin({
      'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV),
      'process.env.NAUMANNI_VERSION': JSON.stringify(process.env.NAUMANNI_VERSION),
    }),
  ],
}