Node.js 7 how to use sequelize transaction with async / await?

Question

Node.js 7 and up already support async/await syntax. How should I use async/await with sequelize transactions?

Answer 1

The answer given by user7403683 describes async/await way for unmanaged transaction (http://docs.sequelizejs.com/manual/tutorial/transactions.html#unmanaged-transaction-then-callback-)

Managed transaction in async/await style may look as follows:

await sequelize.transaction( async t=>{
  const user = User.create( { name: "Alex", pwd: "2dwe3dcd" }, { transaction: t} )
  const group = Group.findOne( { name: "Admins", transaction: t} )
  // etc.
})

If error occurs, the transaction is automatically rolled back.