webpack.base.config.js

const path = require('path')
const htmlWebpackPlugin = require('html-webpack-plugin')

module.exports = {
  mode: 'production',
  entry: './src/index.js',
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'app.bundle.js'
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.scss$/,
        use: ['style-loader', 'css-loader', 'postcss-loader', 'sass-loader'],
        exclude: /node_modules/
      }
    ]
  },
  plugins: [
    new htmlWebpackPlugin({
      template: './src/index.html'
    })
  ]
}