cypress/system-tests/projects/webpack-dev-server-relative/webpack.config.js

const CopyPlugin = require('copy-webpack-plugin')

module.exports = {
  module: {
    rules: [
      {
        test: /\.(js|jsx)$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-react'],
          },
        },
      },
    ],
  },
  plugins: [
    new CopyPlugin({
      patterns: [
        { from: './src/quak.png', to: 'quak.png' },
      ],
    }),
  ],
}