my webpack

webpack.config.js

const path = require('path');

const SRC_DIR = path.join(__dirname, '/client/src');
const DIST_DIR = path.join(__dirname, '/client/dist');
module.exports = {
  mode: 'none',
  entry: `${SRC_DIR}/index.jsx`,
  output: {
    filename: 'bundle.js',
    path: DIST_DIR,
  },
  module: {
    rules: [
      {
        test: /\.jsx?/,
        include: SRC_DIR,
        use: ['babel-loader', 'eslint-loader'],
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  }
};