IcyNet.eu/webpack.common.js

const path = require('path')
const VueLoaderPlugin = require('vue-loader/lib/plugin')

module.exports = {
  entry: {
    main: './src/script/main.js',
    admin: './src/script/admin.js'
  },
  output: {
    path: path.join(__dirname, 'build', 'script'),
    filename: '[name].js'
  },
  resolve: {
    alias: {
      'vue$': 'vue/dist/vue.esm.js' // 'vue/dist/vue.common.js' for webpack 1
    }
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: [
              '@babel/preset-env'
            ],
            plugins: [
              '@babel/plugin-transform-modules-commonjs'
            ]
          }
        }
      },
      {
        test: /\.vue$/,
        exclude: /(node_modules|bower_components)/,
        use: {
          loader: 'vue-loader'
        }
      },
      {
        test: /\.pug$/,
        exclude: /(node_modules|bower_components)/,
        loader: 'pug-plain-loader'
      }
    ]
  },
  plugins: [
    new VueLoaderPlugin()
  ]
}