webpack.common.js

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

module.exports = {
  output: {
    path: path.join(__dirname, 'dist'),
    publicPath: '/',
    filename: '[name].js'
  },
  target: 'web',
  module: {
    rules: [
      {
        enforce: "pre",
        test: /\.jsx?$/,
        exclude: /node_modules/,
        loader: "eslint-loader",
        options: {
          emitWarning: true,
          failOnError: false,
          failOnWarning: false
        }
      },
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        loader: "babel-loader"
      }
    ]
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: "./src/client/index.html",
      filename: "./index.html",
      favicon: "./src/client/img/favicon.ico",
      excludeChunks: ['server']
    }),
    new webpack.NoEmitOnErrorsPlugin(),
    new webpack.WatchIgnorePlugin(["./dist", "./build"])
  ]
}