Umzug Migration

migrate.js

const path = require('path')
    , Umzug = require('umzug')
    , Bluebird = require('bluebird')

const db = {
  // sequelize instance
  sequelize: null,
  // Sequelize constructor
  Sequelize: null
};

const migrator = new Umzug({
      storage: 'sequelize',
      storageOptions: {
        sequelize: db.sequelize,
        tableName: 'SequelizeMeta'
      },
      logging: function() {
        console.log.apply(console, arguments);
      },
      migrations: {
        params: [db.sequelize.getQueryInterface(), db.Sequelize],
        path: path.join(__dirname, '/migrations'),
        pattern: /\.js$/,
        wrap: function(cb) {
          // from sequelize-cli/lib/tasks/db.js#getMigrator
          if (cb.length === 3) {
            return Bluebird.promisify(cb);
          } else {
            return cb;
          }
        }
      }
    });