webpack.config.js

const webpack = require('webpack')
const path = require('path')
const HtmlWebpackPlugin = require('html-webpack-plugin')
const CleanWebpackPlugin = require('clean-webpack-plugin')
const ExtractPlugin = require('extract-text-webpack-plugin')
module.exports = {
  entry: './index.js',
  output: {
    filename: '[name].js',
    path: path.resolve(__dirname, 'dist')
  },
  watch: false,
  module: {
    rules: [
      {
        test: /\.js$/,
        enforce: 'pre',
        use: [{
          loader: 'eslint-loader', 
          options: { fix: true }
        }],
        include: path.resolve(__dirname, './src/**/*.js'),
        exclude: /node_modules/
      },
      {
        test: /\.css$/,
        include: [
          path.resolve(__dirname, 'src')
        ],
        use: ExtractPlugin.extract({
          fallback: 'style-loader',
          use: 'css-loader'
        })
      }
    ]
  },
  plugins: [
    new webpack.HotModuleReplacementPlugin(),
    new webpack.NamedModulesPlugin(),
    new CleanWebpackPlugin(
      ['dist/main.*.js']
    ),
    new webpack.optimize.CommonsChunkPlugin({
      name: 'vendor'
    }),
    new HtmlWebpackPlugin({
      inject: true,
      filename: 'index.html',
      template: './index.html'
    }),
    new ExtractPlugin("[name].css")
  ]
}