text: import path from 'path';
  import mergeDirs from 'merge-dirs';
  import { getVersions, getPackageJson, writePackageJson, installBabel } from '../../lib/helpers';
  
  export default async npmOptions => {
    const [storybookVersion, actionsVersion, linksVersion, addonsVersion] = await getVersions(
      npmOptions,
      '@storybook/mithril',
      '@storybook/addon-actions',
      '@storybook/addon-links',
      '@storybook/addons'
    );
  
    mergeDirs(path.resolve(__dirname, 'template/'), '.', 'overwrite');
  
    const packageJson = getPackageJson();
  
    packageJson.dependencies = packageJson.dependencies || {};
    packageJson.devDependencies = packageJson.devDependencies || {};
    packageJson.devDependencies['@storybook/addon-actions'] = actionsVersion;
    packageJson.devDependencies['@storybook/addon-links'] = linksVersion;
    packageJson.devDependencies['@storybook/addons'] = addonsVersion;
    packageJson.devDependencies['@storybook/mithril'] = storybookVersion;
  
    await installBabel(npmOptions, packageJson);
  
    packageJson.scripts = packageJson.scripts || {};
    packageJson.scripts.storybook = 'start-storybook -p 6006';
    packageJson.scripts['build-storybook'] = 'build-storybook';
  
    writePackageJson(packageJson);
  };
  