text: 
  // First, run the linter.
  // It's important to do this before Babel processes the JS.
  module.exports = (conf, options) => {
    conf.module.rules = [
      ...conf.module.rules,
      {
        test: /\.(js|mjs|jsx)$/,
        include: options.appSrc,
        enforce: 'pre',
        use: [
          {
            options: {
              eslintPath: require.resolve('eslint'),
              configFile: require.resolve('../.eslintrc.js'),
            },
            loader: require.resolve('eslint-loader'),
          },
        ],
      },
    ];
    return conf;
  };
  