webpack.common.js

const path = require('path')
const webpack = require('webpack')

module.exports = {
  mode: 'development',
  devtool: 'inline-source-map',
  entry: ['@babel/polyfill', './src/index.js'],
  output: {
    filename: 'solid-comment.js',
    path: path.resolve(__dirname, 'dist'),
    library: {
      type: 'commonjs2'
    }
  },
  module: {
    rules: [
      {
        test: /\.css$/,
        use: [{ loader: 'style-loader' }, { loader: 'css-loader' }]
      },
      {
        test: /\.m?js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      }
    ]
  },
  devServer: {
    contentBase: './dist'
  },
  plugins: [
    new webpack.optimize.LimitChunkCountPlugin({
      maxChunks: 1
    })
  ],
  resolve: {
    fallback: {
      crypto: require.resolve('crypto-browserify'),
      stream: require.resolve('stream-browserify')
    }
  }
}