webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const WebpackMd5Hash = require('webpack-md5-hash');
const CleanWebpackPlugin = require('clean-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");
module.exports = {
  target: "web",
  node: {
    fs: 'empty'
  },
  entry: { 
    main: ['babel-polyfill','./src/index.js']
     
  },
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: '[name].[chunkhash].js'
  },
  module: {
    rules: [{
          test: /\.mustache\.html$/,
          loader: 'mustache-loader'
        }, {
          test: /\.(png|jpg|gif|svg)$/,
            use: [{
              loader: 'file-loader',
              options: {
                outputPath: 'assets/',
                name: '[name][hash].[ext]',
              },
            }, ],
        },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader"
        }
      },
      {
        test: /\.scss$/,
        use:  [  'style-loader', MiniCssExtractPlugin.loader, 'css-loader', 'postcss-loader', 'sass-loader']
      }
    ]
  },
  plugins: [ 
      new MiniCssExtractPlugin({
      filename: 'style.[contenthash].css',
    }),
    new CleanWebpackPlugin('dist', {} ),
    new HtmlWebpackPlugin({
      inject: false,
      hash: true,
      template: './src/index.html',
      filename: 'index.html'
    }),
    new WebpackMd5Hash()
    
  ]
};