module.exports = (plop) => {
  // Loads the npmInstall action type
  plop.load('plop-pack-npm-install-packages');
  plop.setGenerator('generator-name', {
    prompts: [
      // ...
    ],
    actions: [
      {
        type: 'npmInstallPackages',
        // Can be a string or an array
        install: ['react', 'lodash@4.17.14'],
      },
    ],
  });
};