old_contents: (function() {
    'use strict';
  
    function getDefaultConfig() {
      var config = {
        version: '0.0.0',
        a: 1,
        b: 2,
        c: 3
      };
  
      return config;
    }
  
    module.exports = getDefaultConfig();
  })();
  
new_contents: (function() {
    'use strict';
  
    function getDefaultConfig() {
      var config = {
        name: 'project-name',
        version: '0.0.0',
        description: 'project description',
        keywords: [
          'keywords'
        ],
        homepage: 'https://homepage.com',
        bugs: {
          url: 'https://github.com/username/project/issues'
        },
        license: 'MIT',
        author: 'author',
        contributors: [
          'contributor'
        ],
        files: [
        ],
        main: './index.js',
        directories: {
          bin: './bin'
        },
        repository: {
          type: 'git',
          url: 'https://github.com/username/project.git'
        },
        scripts: {
          test: ''
        },
        dependencies: {
        },
        devDependencies: {
  
        },
        engines: {
          node: '10.0.33'
        },
        preferGlobal: true,
        private: false
      };
  
      return config;
    }
  
    module.exports = getDefaultConfig();
  })();
  
subject: Update default config