webpack.config.js

const webpack = require('webpack');
const HtmlWebPackPlugin = require("html-webpack-plugin");
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

module.exports = {
  entry: './src/javascripts/main.js',
  devtool: "eval-source-map",
  module: {
    rules: [
      {
        enforce: "pre",
        test: /\.js$/,
        exclude: /node_modules/,
        loader: "eslint-loader",
	options: {
          formatter: require('eslint/lib/cli-engine/formatters/stylish')
        }
      },
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: "babel-loader"
        }
      },
      {
        test: /\.html$/,
        use: [
          {
            loader: "html-loader",
            options: { minimize: true }
          }
        ]
      },
      {
        test: /\.scss$/,
        use: [
          MiniCssExtractPlugin.loader,
            { loader: 'css-loader', options: { sourceMap: true, importLoaders: 1 } },
            { loader: 'sass-loader', options: { sourceMap: true } },
        ],
      },
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: ['file-loader']
      },
      {
        test: /\.(woff|woff2|eot|ttf|otf)$/,
        use: ['file-loader']
      }
    ]
  },
  plugins: [
    new HtmlWebPackPlugin({
      template: "./src/index.html",
      filename: "./index.html"
    }),
    new MiniCssExtractPlugin({
      filename: "[name].css",
      chunkFilename: "[id].css"
    }),
    new webpack.ProvidePlugin({
      $: "jquery",
      jQuery: "jquery"
    })
  ],
  output: {
		path: __dirname + "/build",
		filename: "bundle.js"
	}
};