webpack.config.js

const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');

module.exports = {
  entry: ['babel-polyfill', './src/js/index.js'],
  output: {
    path: path.join(__dirname, 'dist'),
    filename: 'bundle.js',
  },
  devServer: {
    contentBase: path.join(__dirname, 'dist'),
    compress: true,
    port: 8080,
  },
  watch: true,
  mode: 'development',
  devtool: 'inline-source-map',
  module: {
    rules: [
      {
        test: /\.js$/,
        enforce: 'pre',
        exclude: /node_modules/,
        loader: 'eslint-loader',
        options: {
          fix: true,
        },
      },
      {
        test: /\.js$/,
        exclude: [/node_modules/],
        loader: 'babel-loader',
        query: {
          presets: ['@babel/preset-env'],
        },
      },
      {
        test: /\.css$/,
        loaders: ['style-loader', 'css-loader?url=false'],
      },
      {
        test: /\.scss$/,
        loaders: ['style-loader', 'css-loader?url=false', 'sass-loader'],
      },
      {
        test: /\.(jpg|png|woff|woff2|eot|ttf|svg)$/,
        loader: 'file-loader',
        options: {
          esModule: false,
        },
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: path.join(__dirname, 'src/html/index.html'),
      filename: path.join(__dirname, 'dist/index.html'),
    }),
  ],
};