webpack.config.js

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

const paths = {
  appSrc: path.resolve(__dirname, 'src'),
  dist: path.resolve(__dirname, 'dist'),
};

module.exports = {
  mode: "development",
  entry: './src/index.js',
  output: {
    path: path.dist,
    filename: 'bundle.js'
  },
  devtool: 'inline-source-map',
  plugins: [
    new CleanWebpackPlugin(["dist"]),
    new HtmlWebpackPlugin({
      title: "Pickaxe!!",
    }),
    new webpack.NamedModulesPlugin(),
    new webpack.HotModuleReplacementPlugin(),
  ],
  module: {
    rules: [
      {
        test: /\.(png|svg|jpg|gif)$/,
        use: [
          'file-loader'
        ]
      },
      {
        exclude: /node_modules|packages/,
        test: /\.js$/,
        use: 'babel-loader',
      },
      {
        test: /\.css$/,
        use: ["style-loader", "css-loader"]
      },
      {
        test: /\.styl$/,
        use: ["style-loader", "css-loader", "stylus-loader"]
      }
    ]
  },
  devServer: {
    contentBase: './dist',
    hot: true
  }
};