neutrino-dev/packages/neutrino-middleware-copy/index.js

const CopyPlugin = require('copy-webpack-plugin');
const merge = require('deepmerge');

module.exports = ({ config }, opts) => {
  const { patterns, options } = merge({ patterns: [], options: {} }, opts);

  config
    .plugin('copy')
    .use(CopyPlugin, [patterns, options]);
};