old_contents: module.exports = {
      dev: {
          options: {
              config: 'assets/styles/config.rb',
              outputStyle: 'nested',
              force: true
          }
      },
      prod: {
          options: {
              config: 'public/config.rb',
              environment: 'production',
              outputStyle: 'compressed',
              force: true,
              sourcemap: true
          }
      }
  };
  
new_contents: module.exports = {
      dev: {
          options: {
              config: 'assets/styles/config.rb',
              outputStyle: 'nested',
              force: true
          }
      },
      prod: {
          options: {
              config: 'assets/styles/config.rb',
              environment: 'production',
              outputStyle: 'compressed',
              force: true,
              sourcemap: true
          }
      }
  };
  
subject: Fix typo in compass for prod env