'use strict';
module.exports = {
  up: function(queryInterface, Sequelize) {
    return queryInterface.createTable('Groups', {
      id: {
        allowNull: false,
        autoIncrement: true,
        primaryKey: true,
        type: Sequelize.INTEGER
      },
      name: {
        type: Sequelize.STRING
      },
      description: {
        type: Sequelize.STRING
      },
      createdAt: {
        allowNull: false,
        type: Sequelize.DATE
      },
      updatedAt: {
        allowNull: false,
        type: Sequelize.DATE
      }
    });
  },
  down: function(queryInterface, Sequelize) {
    return queryInterface.dropTable('Groups');
  }
};
@@ -1,18 +1,4 @@
-'use strict';%0A
 modu
@@ -16,26 +16,16 @@
 = %7B%0A  up
-: function
 (queryIn
@@ -533,18 +533,8 @@
 down
-: function
 (que
@@ -536,32 +536,36 @@
 n(queryInterface
+ /* 
 , Sequelize) %7B%0A 
@@ -551,32 +551,35 @@
 e /* , Sequelize
+ */
 ) %7B%0A    return q
@@ -619,8 +619,9 @@
 ;%0A  %7D%0A%7D;
+%0A

Refactor using es6