webpack.config.babel.js

const path = require('path');

module.exports = {
  mode: 'development',
  context: __dirname,
  entry: './playground/index.jsx',
  output: {
    path: path.join(__dirname, 'build'),
    filename: 'bundle.js',
    publicPath: '/build/'
  },
  resolve: {
    extensions: ['.js', '.json', '.jsx'],
    alias: {
      utils: path.resolve(__dirname, './utils'),
    },
    modules: [
      __dirname,
      path.resolve(__dirname),
      path.resolve(__dirname, 'node_modules')
    ]
  },
  module: {
    rules: [
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        loader: 'eslint-loader',
        enforce: 'pre',
        query: {
          fix: true
        }
      },
      {
        test: /\.jsx?$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env']
          }
        }
      },
      {
        test: /\.scss$/,
        exclude: /node_modules|main\.scss/,
        use: [
          'style-loader',
          'css-loader?modules&localIdentName=[name]---[local]---[hash:base64:5]',
          {
            loader: 'postcss-loader',
            options: {
              plugins: function () {
                return [
                  require('autoprefixer')
                ];
              }
            }
          },
          'sass-loader'
        ]
      },
      {
        test: /\.css$/,
        include: /node_modules/,
        use: [
          'style-loader',
          'css-loader'
        ]
      },
      {
        test: /main\.scss$/,
        exclude: /node_modules/,
        use: [
          'style-loader',
          'css-loader',
          {
            loader: 'postcss-loader',
            options: {
              plugins: function () {
                return [
                  require('autoprefixer')
                ];
              }
            }
          },
          'sass-loader'
        ]
      },
      {
        test: /\.woff(2)?(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        loader: 'url-loader?limit=10000&mimetype=application/font-woff'
      },
      {
        test: /\.(ttf|eot|svg|gif)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
        loader: 'file-loader'
      }
    ]
  }
};